• US2138499A - Sheet collecting and folding mechanism for printing presses : en
  • PL27371B1 - Device for illuminating the dials of indicator instruments. : en pl
  • SU54835A1 - Manual piston pump for supplying paint to the spray nozzle : en ru
  • CH201218A - Road roller with adjustable roller wheels. : de en
  • AU105881B2 - Process forthe production of lubricating oils : en
  • US2138010A - Sponge rubber brush : en
  • US2138582A - Recovery of lower aliphatic acids : en
  • AU46338A - Improvements in or relating to dynamos which highly variable speed : en
  • CH201533A - Alternator for bicycles pivotable with respect to a carrier. : de en
  • SU55735A1 - The method of obtaining concentrates lily of the valley : en ru
  • US2138751A - Process for the production of elastic objects from polyvinyl alcohol : en
  • SU54615A1 - The method of drying peat and similar materials : en ru
  • SU55291A1 - Device for variable-rotational motion : en ru
  • CH201284A - Process for the reduction of compounds of the cyclopentanopolyhydrophenanthrene series containing at least one keto group. : de en
  • FR49158E - Improvements to telephone systems : en fr
  • PL27406B1 - A device for mixing with the cooling medium of hot exhaust gases of low pressure and high temperature. : en pl
  • SU55884A1 - Internal combustion turbine with twin blast chambers : en ru
  • PL27373B1 - Plastic concrete manufacturing method. : en pl
  • SU54788A1 - Roofing machine : en ru
  • US2138255A - Fuse construction : en
  • USD112394S - Design fob a textile fabric : en
  • SU54368A1 - Electric seismograph : en ru
  • SU54549A1 - Wood splitter : en ru
  • SU54619A1 - Centrifugal casting machine : en ru
  • SU54869A1 - A device for the capture and transfer of bricks and the like piece goods : en ru
  • SU54973A1 - The method of imparting water resistance to paper packaging : en ru
  • SU55109A1 - Caving device for rubble to balastising machine : en ru
  • SU55644A1 - A device for separating neutrons at a given speed from their stream, for example, for analyzing substances from the neutron absorption spectrum : en ru
  • SU55882A1 - Construction floor shield : en ru
  • SU56263A1 - The method of aligning the color of the core color sheepskins : en ru
  • SU54978A1 - Kurbelna gate valve switch : en ru
  • SU55060A1 - Air flow meter using Pitot or Venturi tubes : en ru
  • SU55193A1 - Electrochemical method for the recovery of iodine : en ru
  • SU55363A1 - A device for controlling the angle of inclination of the fist surface, for example, the "hooves" of a Northrop loom : en ru
  • SU55616A1 - The method of producing iron paints : en ru
  • SU55628A1 - Mobile paving device : en ru
  • US2138717A - Speaker baffle ball : en
  • PL27389B3 - A boiler in the form of a furnace with a furnace for fragmented fuel, especially coal dust. : en pl
  • SU54732A1 - A device for the decoration of artificial silk in the form of cakes : en ru
  • SU54936A1 - Adaptation to the air sandbox to ensure its operation during emergency braking, train breakage, etc. : en ru
  • SU55945A1 - Burning stove : en ru
  • US2138031A - Amino alcohol acrylates : en
  • US2138145A - Preparation of organic derivatives of cellulose : en
  • SU55473A1 - Dilatometer : en ru
  • SU55553A1 - The method of obtaining silica gel : en ru
  • SU55821A1 - A shaft type electric furnace with an additional electrode for the simultaneous production of phosphorus and calcium carbide : en ru
  • SU55880A1 - Reed cutter : en ru
  • SU55479A1 - Device for automatic control of pumps : en ru
  • CA378001A - Ribbed fabric top piece production : en fr
  • PL27461B1 - Dyeing device in printing machines. : en pl
  • PL27478B1 - A method of bleaching vegetable fibers, especially fibers, used as a raw material in the paper industry. : en pl
  • SU55618A1 - A method of manufacturing a microporous rubber sole : en ru
  • SU56052A1 - Device for determining the center of gravity of bodies : en ru
  • SU55605A1 - Ice splitting machine from pavement : en ru
  • US2138339A - Airscrew having a variable pitch : en
  • SU54449A1 - Automatic counting device : en ru
  • SU56111A1 - Tube for introducing oxygen into the liquid metal : en ru
  • PL27387B1 - A method of producing casein-containing soap. : en pl
  • SU55406A1 - Contact spring, in particular for relays : en ru
  • US2138451A - Portable container having carrying frame : en
  • US2138576A - Conveyer feed screw : en
  • SU54409A1 - Parachute system for hoist cages : en ru
  • SU55717A1 - Runners for processing materials, mainly for ceramic products : en ru
  • SU56159A1 - Method and device for forming glass elements : en ru
  • US2138186A - Telephone system : en
  • US2138007A - Reamer cutter mounting : en
  • US2138524A - Educational game : en
  • AU105896B2 - Process for the recovery of zinc from zinciferous material in shaft furnaces or the like, direct heated furnaces : en
  • DE668267C - Circulating wide beam sprinkler : de en
  • SU54443A1 - Lock for rotary switches : en ru
  • SU55596A1 - Ion valve : en ru
  • SU56185A1 - Apparatus for hanging bulk, especially toxic substances : en ru
  • US2138077A - Lighting unit mounting : en
  • SU55719A1 - Method of briquetting raimki : en ru
  • USD112383S - Design for a clock : en
  • US2138659A - Shaft bearing : en
  • AU105862B2 - Improvements in mountain cableways : en
  • AU496137A - Animproved process for engraving silicious materials : en
  • CA377966A - Capacitance coupler : en fr
  • SU54897A1 - A device for feeding standard products on the chola : en ru
  • SU55071A1 - Plastic Belt Cutting Machine : en ru
  • SU55527A1 - Metal mold for casting dies, halves of metal casting molds and the like. : en ru
  • US2138358A - Perforate package structure : en
  • US2138466A - Nonrefillable bottle closure : en
  • CA378043A - Speed-changing device : en fr
  • CH201239A - Device for removing dust from fluff. : de en
  • CH201464A - Can open by pressing on the can lid. : de en
  • SU55604A1 - Hoffman brick unloading device : en ru
  • US2138296A - Power churn : en
  • US2138596A - Jewelry structure : en
  • USD112407S - Design for a lace : en
  • DE668206C - Detergent with disinfecting properties : de en
  • SU55091A1 - Bearing bushings : en ru
  • SU55227A1 - A device for locking the leading axes of a car and similar carriages : en ru
  • US2138161A - Oscillatory circuit : en
  • US2138575A - Tie holder construction : en
  • DE668381C - Hinged and hinged shutter for windows u. like : de en
  • FR834827A - Removable sheet binder : en fr
  • FR834778A - Improvements to the belt attachment systems for sheep : en fr
  • GB496511A - Improvements in electrodes for arc welding : en
  • GB496595A - Improvements in air-intakes for internal-combustion engines : en
  • FR49195E - Medical device for examining the ears : en fr
  • FR834766A - Device for tilting a part relative to another part, especially in cinematographic projectors : en fr
  • SU54994A1 - A device for determining the specific gravity of seeds : en ru
  • SU55276A1 - Device for marking fabric in piles : en ru
  • US2138628A - Hydroxy-ethoxy derivatives of : en
  • CH201443A - Process for the preparation of 3- (dioxypropyl-oxyethyl) -amino-4-oxy-3'amino-4'-oxy-5'-methoxyarsenobenzene-formaldehyde bisulfite sodium. : de en
  • CA377918A - Electron discharge device mount : en fr
  • CH201379A - Stopcock. : en fr
  • CH201515A - Process for the preparation of a solid diazonium salt. : de en
  • FR834663A - Method and apparatus for regulating temperature as a function of time or of a predetermined variation curve : en fr
  • CH201336A - Device intended to ensure the sealing of the joint between two parts having concentric circular parts. : en fr
  • CH201230A - Method and device for the production of glass threads. : de en
  • SU54796A1 - The method of summing lubrication to the bearings of the reversible gear reducer : en ru
  • SU55540A1 - Dies cleaning machine : en ru
  • SU55934A1 - Peat collecting device : en ru
  • GB496500A - Improvements in means for detachably attaching metal plates or other structural members together or to other members : en
  • GB496251A - A method of casting matrices for use in making bonded abrasive gear wheels : en
  • GB496636A - Improvements in and relating to plug and socket connectors : en
  • GR7813B - METHOD FOR ACTIVITY ON ROOT GROWTH AND ENERGY OF SECONDARY DIVIDENDS. : el en
  • SU55163A1 - Instrument for determining the degree of contact of gases : en ru
  • SU55849A1 - The method of seed dressing : en ru
  • SU56073A1 - Device for peeling fruits : en ru
  • USD112366S - Design for an automobile signal lamp : en
  • SU55433A1 - High Altitude Wind Turbine : en ru
  • SU56006A1 - Shevenard Type Optical Differential Dilatometer Head : en ru
  • USD112412S - richards : en
  • SU54419A1 - Gramophone : en ru
  • SU54830A1 - Method of making die casting solution : en ru
  • SU55110A1 - Adaptation to the sewing machine for stopping it after one or more stitches : en ru
  • US2138379A - Nozzle : en
  • US2138594A - Telephone system : en
  • PL27368B1 - Protective cap for candles. : en pl
  • SU54972A1 - Instrument for determining visual acuity : en ru
  • SU55134A1 - Winding Density Regulator for Warping Machine : en ru
  • SU55334A1 - Wooden sliding fastening rack : en ru
  • CH201323A - Device for measuring the tensions in textile threads during their processing. : de en
  • DE668341C - Method for X-ray examination of objects : de en
  • DE668405C - Focal plane shutter with concealed elevator, with which the curtains are released one after the other : de en
  • USD112347S - Design fob a combined cake contain : en
  • CH201473A - Device for adjusting the orientation of headlamps mounted on motor cars. : en fr
  • SU55236A1 - Shipping lock chamber : en ru
  • SU55633A1 - Method of making typographic clichés of alabaster or cement : en ru
  • US2138188A - Flowerpot : en
  • AU91838A - Improvements in radio beacons : en
  • CH201492A - Progressive action gear changing device for bicycles. : en fr
  • SU54578A1 - Space suit : en ru
  • SU54707A1 - Device for pneumatic riveting cloth for adjusting the duration of work for one pull of the trigger : en ru
  • SU54969A1 - Electric hammer : en ru
  • GB496274A - Improvements in and relating to frictional control gearing : en
  • SU54374A1 - Measuring device : en ru
  • DK55503C - Electric Discharge Pipe. : da en
  • SU54779A1 - Hand Truck : en ru
  • SU55748A1 - Bullion trolley : en ru
  • PL27507B1 - Method for the production of hexyl-resorcinol-sulfonic acid and its salts. : en pl
  • PL27516B1 - A method of producing tempered glass objects with a colored surface made with the use of paint. : en pl
  • SU54366A1 - Methodical heating furnace with protective atmosphere : en ru
  • PL27501B1 - A device for sitting and sleeping in vehicles. : en pl
  • SU55239A1 - Steam dispenser for steam autos : en ru
  • SU55617A1 - A method of making colored drawing pencils : en ru
  • US2138002A - Well pump : en
  • US2138660A - Refrigerating apparatus : en
  • ES144208A1 - IMPROVEMENTS IN THE PROJECTILES WITH A REACTION PROPULSION DEVICE : en es
  • GB496880A - Improvements in the manufacture and production of valuable hydrocarbons and their derivatives containing oxygen from carbon monoxide and hydrogen : en
  • DE668312C - Cell suction roll for roll presses for dewatering paper webs : de en
  • US2138165A - Method of and apparatus for absorbing oxides of nitrogen under pressure : en
  • CH201309A - Device for guiding films. : de en
  • DE668217C - Flexible shaft : de en
  • FR834782A - Improvements to electric watches : en fr
  • SU55663A1 - Device for automatically turning on synchronous machines for parallel operation : en ru
  • CA378010A - Cardboard box fixture : en fr
  • CH201382A - Portable device used to dispense a liquid or viscous material. : en fr
  • CH201522A - Process for the preparation of a metal-containing trisazo dye. : de en
  • SU55322A1 - Rotation surface copying machine : en ru
  • US2138640A - Finger ring : en
  • SU54546A1 - The method of electrolytic copper coating of iron and other metals : en ru
  • SU55108A1 - The device to the balastirovochny car for lifting the path on the go : en ru
  • US2138218A - Method of recovering hydrocarbons : en
  • US2138060A - Container and dispensing device therefor : en
  • CA377931A - Gravity determining apparatus : en fr
  • US2138258A - Crankshaft grinding apparatus : en
  • SU53978A1 - Light indicator : en ru
  • SU55025A1 - W electromagnet : en ru
  • SU55311A1 - Adaptation to the scutching machine for automatic removal of canvases : en ru
  • SU55687A1 - Nickel welding paste : en ru
  • SU56262A1 - The method of obtaining phenolaldehyde resins : en ru
  • CA377971A - Gas producer : en fr
  • CH201286A - Process for the production of a new condensation product. : de en
  • AU105897B2 - Improved horseshoe pad : en
  • CA377949A - Rotary press inking mechanism : en fr
  • PL27445B1 - : en pl
  • USRE20928E - Key check and rack : en
  • AU105857B2 - Improvements in or relating to mercury low-pressure luminous electric discharge devices : en
  • GB496248A - Pancreas-derived product and process of producing it : en
  • DE668313C - Brake device with time release for gates u. like : de en
  • GB496364A - Improvements in or relating to steam traps : en
  • GB496745A - Improvements in or relating to electric driving arrangements for machines having heavy fly-wheel masses, in which direct current driving motors are supplied through controllable current converters : en
  • GB496491A - Improvements relating to the colouring and waterproofing of textile fibres, fabrics and like materials : en
  • GB496746A - Method of producing paper products, cardboard, pressed cardboard, or the like products impregnated within the mass with bitumen : en
  • FR834756A - Improvements to statistical machines operated by registered cards : en fr
  • US2138095A - Conveyer mechanism : en
  • US2138200A - Mucking machine and conveyer system : en
  • US2138425A - Paper napkin : en
  • DE668272C - From two mutually rotatable, each separately mounted main parts assembled shaft for magneto : de en
  • SU55487A1 - Method for determining the moisture content of materials, for example, sawdust : en ru
  • GB496361A - Improvements in safety devices for wringers : en
  • GB496640A - Improved flexible tubing : en
  • FR834842A - Quick assembly bricks for constructions : en fr
  • DE668377C - Storm protection for loading bridges or the like. : de en
  • ES144194A1 - A process and its corresponding apparatuses for the preparation of the ethers aliphatic oxides. : en es
  • DE668435C - Device for automatic voltage regulation of a generator by means of discharge paths : de en
  • FR834815A - Radiator for electric heating and its applications : en fr
  • GB496204A - Apparatus for separating oil and other liquids from gases : en
  • GB496255A - Improvements relating to bolts and like externally screw-threaded members : en
  • GR7810B - MATERIAL COMPOSITION AND ITEMS MANUFACTURED FROM AUTISM CASTING, T YPASKOS, OR SIMILAR IT CAN BE APPLIED TO VARIOUS SURFACE AND DIFFERENCE. : el en
  • AU504237A - Improvements in or relating to radio direction finding apparatus : en
  • SU54526A1 - Sand filling and sealing device : en ru
  • US2138167A - Centrifugal machine : en
  • US2138341A - Frequency or phase modulation receiver : en
  • US2138462A - Method of shaping food products : en
  • CA378047A - Valve mechanism : en fr
  • FR834654A - Improvements to ski poles : en fr
  • GB496483A - Portable electric drills and and the like : en
  • GB496567A - Improvements in or relating to the removal of salts from the working medium in steam power installations : en
  • GB496654A - Improvements in or relating to variable condensers : en
  • PL27509B1 - H H H : en pl
  • SU55377A1 - Method for improving commutation of a single-phase collector AC motor : en ru
  • CH201343A - Chronograph with push-button control. : en fr
  • DE668352C - Self-centering sealing ring : de en
  • DE668322C - Process for the production of artificial stone masses from Sorel cement : de en
  • DE668394C - Device for testing magnetic or magnetizable substances : de en
  • DK55498C - Device for Superheterodyne Receivers and Similar Radio Receivers for Regulating the Degree of Sideband Reception. : da en
  • US2138329A - Expanding collar : en
  • PL27391B1 - MiCP JFGhf 5IOH Teat with an automatic overflow valve. : en pl
  • SU55509A1 - Gate for reflective hogs and similar furnaces : en ru
  • US2138248A - Apparatus for compressing air : en
  • GB496575A - Improvements in and relating to cupro-nickel alloys : en
  • GB496629A - Insulated refrigerator casing : en
  • GB496496A - Improvements in potato harvesting machines : en
  • DE668178C - Method and device for the production of glow stems provided with a spider and connected to support rings : de en
  • CH201361A - Circular saw. : de en
  • DE668353C - Slide arrangement for fluid transmission : de en
  • SU55779A1 - The method of obtaining vanilla : en ru
  • US2138642A - Hat : en
  • SU55357A1 - Resonant method of measuring inductance and capacitance : en ru
  • SU56037A1 - The method of obtaining a protective layer on iron, steel and aluminum products x : en ru
  • SU56120A1 - The method of obtaining the spinning fibers : en ru
  • SU56233A1 - The method of obtaining the tribrome-acetaldehyde : en ru
  • US2138535A - Machine for grinding and finishing cylinders : en
  • US2138646A - Paper feeding device : en
  • US2138677A - Liquid measuring device : en
  • US2138511A - Shock absorber : en
  • US2138530A - Valve and mounting therefor : en
  • DK55494C - Water-repellent Tave or Fiber Material and Procedure for its Manufacture. : da en
  • FR834695A - Protective system for trees, stakes, posts : en fr
  • US2138368A - Bilge drainer : en
  • SU54499A1 - Compression Testing Press : en ru
  • SU54545A1 - Method of running autotractor engines : en ru
  • SU54414A1 - Electric tractor : en ru
  • US2138796A - Fuel burner control system : en
  • FR834656A - Progressive time regulator particularly applicable to the adjustment of the operation of the boiler hearths : en fr
  • GB496470A - Improvements in or relating to ratchet bit braces : en
  • FR49161E - Method, apparatus and installation of projectors for relief cinematography : en fr
  • FR834687A - Improvements to polarizing screens used in photography : en fr
  • SU54791A1 - Drum cell dispenser : en ru
  • SU54837A1 - Test rope testing machine : en ru
  • US2138164A - Process and apparatus for producing glazing units : en
  • DE668194C - Device for moving the doctor blade to and fro in gravure printing machines : de en
  • SU55760A1 - Device for electrical protection of a high pressure preheater to a steam turbine : en ru
  • FR834726A - Weft feeler for looms : en fr
  • SU54494A1 - The method of processing the basics : en ru
  • SU54901A1 - Device for unloading live fish from the slot to the shore : en ru
  • US2138109A - Method of making shoes : en
  • DE668241C - Method for making books : de en
  • SU54521A1 - Propashnik : en ru
  • SU54826A1 - Automatic tool feeding tool : en ru
  • SU55337A1 - Device for unloading snow from cars : en ru
  • DE668262C - Device and method for producing and spinning threads out of glass and similar materials that are plastic in the heat : de en
  • US2138554A - Eye tester : en
  • US2138306A - Automatic apparatus for feeding strips or sheets to presses or other machines : en
  • DE668507C - Press for making plates, blocks, etc. Like. Made of several individual layers of wood glued together : de en
  • GB496404A - Improvements in lamps comprising a vitreous envelope surrounding, and structurally integral with the source of light : en
  • US2138590A - Carburetor : en
  • GB496377A - Improvements in and relating to bowls for centrifugal separators : en
  • DE668196C - Support device for rotary stoves : de en
  • GB496423A - Improvements in process and device for reducing vegetables containing starch to dry powder : en
  • US2138069A - Fuel feed system for internal combustion engines : en
  • US2138556A - pierce : en
  • SU54652A1 - Device for driving a variable frequency synchronous generator : en ru
  • SU54683A1 - Head for water spools : en ru
  • SU55114A1 - The way of working on a tape machine : en ru
  • SU55656A1 - Device for electrical control of arrows : en ru
  • GB496834A - Improvements in and connected with cooking apparatus : en
  • CA378030A - Colour offset printing machine : en fr
  • SU54836A1 - Device for automatically feeding steam boilers equipped with injectors : en ru
  • SU56284A1 - Apparatus for determining the level of oil in the well : en ru
  • SU55078A1 - Vertical Annealing Furnace : en ru
  • SU56171A1 - The method of oxidation of elemental phosphorus and hydrogen phosphide : en ru
  • SU53839A1 - Device for measuring resistance : en ru
  • SU56077A1 - Method of protection of citrus fruits from spoilage : en ru
  • US2138419A - Container closure and facing material therefor : en
  • US2138439A - Container closure and lining material therefor : en
  • GR7807B - CURTAIN BODY AFTER ROLLING WHEELS DOING FRAME WITH OPEN-CLOSED TRANSMISSIONS BY SHARP ATTRACTION. : el en
  • GB496317A - Improvements in and relating to pistons : en
  • FR834779A - Method and devices for controlling accelerator or the like of engines : en fr
  • GB496632A - Sewing machine for soling boots and shoes : en
  • SU54975A1 - Method for the determination of white rot wood : en ru
  • US2138398A - Electro-optical transmission : en
  • US2138082A - Vehicle lamp and mounting for the same : en
  • US2138280A - Toy : en
  • US2138190A - Fish tackle box : en
  • US2138489A - Rafting dog : en
  • US2138518A - Gaseous conduction apparatus : en
  • SU54623A1 - Device for supplying current to the continuous anode of the electrolyzer : en ru
  • SU55069A1 - The method of preparation of the dry preparation of bards for softening fur sheepskin, leather and fur : en ru
  • SU55625A1 - Galvanic cell : en ru
  • US2138311A - Tractor : en
  • US2138587A - Apparatus for making sanitary napkins : en
  • US2138104A - Motor vehicle : en
  • SU54611A1 - Brake pressure regulator for high speed trains : en ru
  • SU55968A1 - The way to get xanten : en ru
  • SU56106A1 - Packing machine : en ru
  • CH201368A - Holding device for wristwatches. : de en
  • DE668423C - Tool holder, preferably for cutting tools made of diamond or hard metal : de en
  • FR834850A - Method for producing synchronization pulses for television broadcasts by the interleaving method : en fr
  • GB496604A - Improvements in or relating to pressures gauges for indicating the depth of liquid in a tank : en
  • GB496365A - Improvements in games-score indicators : en
  • FR834834A - Electric winch : en fr
  • GB496318A - Improvements in apparatus for ascertaining the qualitity of illumination of large surfaces such as roads : en
  • GB496382A - Improvements in refrigerating systems applicable to refrigerator cars : en
  • US2138781A - Liquid dispensing apparatus : en
  • CH201499A - Variable pitch propeller. : de en
  • CH201538A - Arrangement for the transmission of television pictures. : de en
  • CA378028A - Sintering charge igniting method : en fr
  • CH201351A - Method and device for casting metal blocks. : de en
  • PL27379B1 - The method of producing a hydrogenation catalyst. : en pl
  • SU55196A1 - The method of processing of artificial phenolaldehyde resins : en ru
  • SU54479A1 - A device for removal of clarified water from the settling pond of the alluvial dam : en ru
  • SU54585A1 - Wet Grain Treatment Plant : en ru
  • CA377936A - Ammonium nitrate : en fr
  • SU54757A1 - Device for loading and unloading multi-layer presses : en ru
  • SU55483A1 - Device for switching on and off an interval gear in a typewriter : en ru
  • US2138102A - Vehicle direction-indicator : en
  • US2138447A - Rail anchor : en
  • PL27511B1 - Device for separating solid particles, e.g. limescale, and gases from heated water. : en pl
  • SU54798A1 - Method of making asphalt oil lacquers : en ru
  • USD112345S - Design for a watchcase : en
  • USD112379S - Design fob a power lawn mower : en
  • DE668302C - Process for the artificial aging of perfumes : de en
  • GB496557A - Improvements in or relating to vacuum tubes : en
  • DE668259C - Wet cleaner, especially for generator gas : de en
  • FR49170E - Microscopic projection device : en fr
  • DE668344C - Suspension of dump buckets : de en
  • FR49180E - Improvements in the manufacture of ethylene oxides : en fr
  • FR834739A - Improvements to luminescent materials manufacturing processes : en fr
  • GB496522A - Improvements in or relating to the control surfaces of aircraft : en
  • DE668170C - Firing device for mine throwers or the like. : de en
  • GB496414A - Improvements in spring mechanism : en
  • SU54888A1 - Belt batch drier : en ru
  • US2138158A - Sealing composition for waterless gas holders : en
  • SU54510A1 - Device for automatic stopping of carding machines when the tape breaks : en ru
  • SU55051A1 - A device for determining the relative magnitude of higher harmonics in alternating currents of complex curve shape : en ru
  • SU55702A1 - Telephone finder : en ru
  • SU56087A1 - The way sulfidization minerals before flotation : en ru
  • US2138114A - Motor vehicle : en
  • US2138567A - Ironing device : en
  • FR49179E - Tool allowing users of mowers and binders to carry out the usual repairs to cutting bars themselves : en fr
  • AU14838A - Axle lubricator : en
  • CH201415A - Circuit breaker. : de en
  • AU494637A - Improvements relating to mechanism for controlling the operation of lift doors andthe like : en
  • CH201279A - Method and device for mixing liquids. : de en
  • PL27405B1 - A device used to increase the initial velocity of projectiles. : en pl
  • SU54825A1 - The method of processing cedar pencil tablets : en ru
  • SU55441A1 - Mine Shaft Machine : en ru
  • SU55923A1 - Device for reducing frequency and amplitude distortion during sound reproduction : en ru
  • US2138529A - Hop separator : en
  • SU53499A1 - Copy pencil : en ru
  • SU55386A1 - Method of preservation of leather or gem : en ru
  • SU56252A1 - Apparatus for screwing and unscrewing tubing : en ru
  • US2138338A - Apparatus for supporting paper reels : en
  • US2138460A - Display carton : en
  • GB496442A - Improvements in or relating to film loop formers of cinematograph apparatus : en
  • US2138013A - Support coupler for gaseous vapor electric lamps : en
  • US2138152A - : en
  • US2138506A - Wheel : en
  • US2138361A - Marking and display device : en
  • US2138366A - Protective lining for canals : en
  • DE668413C - Automatic control device for electric traction vehicles with individual contactors operated electrically via auxiliary rollers : de en
  • GB496747A - Improvement in radio-frequency amplifier : en
  • SU55206A1 - Adaptation to an adding machine for calculating the volume of forest materials : en ru
  • SU55305A1 - Wire spiraling machine : en ru
  • SU55371A1 - Method of testing the strength of molding materials : en ru
  • US2138071A - Dam : en
  • SU54965A1 - Electric three-phase cable : en ru
  • SU55102A1 - Valve for switching air regenerators : en ru
  • SU55911A1 - A method of making scales for slide rules : en ru
  • SU56173A1 - Paper meter : en ru
  • US2138733A - Anticryptogamic composition : en
  • DE668398C - Collapsible suitcase field chair : de en
  • SU54714A1 - Electric glass melting furnace : en ru
  • US2138630A - Tabulating machine : en
  • US2138662A - Cigar feed for cellophaning and banding machines : en
  • US2138784A - Screw and nut mechanism : en
  • GB496453A - Improvements in or relating to neckties and the method of making same : en
  • CH201248A - Toilet seat that can be folded up and down. : de en
  • CA378032A - Water enriched with heavy water : en fr
  • CH201233A - Heating appliance. : en fr
  • CH201267A - Sack cleaner. : de en
  • CH201518A - Process for the preparation of a metal-containing trisazo dye. : de en
  • PL27451B1 - Machine for grinding the fibers of the sap plants. : en pl
  • CA377984A - Roll film backing paper : en fr
  • SU54613A1 - Instrument for the automatic processing of microscopic objects : en ru
  • SU55113A1 - Cutting chain for cutting machines and mining machines : en ru
  • SU55323A1 - Baba for breaking bar material : en ru
  • US2138262A - Cutting machine : en
  • SU54909A1 - Mercury breaker : en ru
  • SU55350A1 - The working body of the cotton harvester : en ru
  • SU56201A1 - Land workstation equipment : en ru
  • US2138115A - Apparatus for forming disk wheels or the like : en
  • US2138422A - Indicating instrument for navigation : en
  • FR834676A - Advanced sound player device for cinematographic devices : en fr
  • US2138573A - Electroplating : en
  • US2138667A - Direct current commutating type dynamo-electric machine : en
  • GB496590A - Improvements in and relating to control equipment for electric locomotives : en
  • CA378002A - Structural member : en fr
  • DE668357C - Single tooth disc for Geneva gear with adjustable single tooth pin : de en
  • CH201250A - Painting brush. : de en
  • SU54882A1 - Cutter : en ru
  • SU55609A1 - Ice splitting machine from pavement : en ru
  • SU54448A1 - Device for interrupting and adjusting the current in welding contact machines : en ru
  • SU55777A1 - The machine for finishing the hole in the guide needles of Bosch nozzles : en ru
  • DK55514C - Streamlined vehicle with rear engine. : da en
  • CH201537A - Process for the preparation of a new ester. : de en
  • PL27433B1 - A method of producing a color raster consisting of multi-colored grains. : en pl
  • SU54734A1 - A device for regulating the supply of fuel pumps for diesel transport vehicles at high speeds : en ru
  • DE668346C - Winch with winding device to prevent slack rope : de en
  • US2138045A - Ratchet mechanism : en
  • US2138204A - Coffee mill : en
  • US2138800A - Torch : en
  • CA378009A - Hydrogenation catalyst : en fr
  • CH201506A - Process for the preparation of a quaternary aminobenzylacylamine. : de en
  • GB496436A - A process of forming an acid-proof coating on aluminium metal or aluminium alloy : en
  • SU54961A1 - Electroplating device for roofing sheets and other products : en ru
  • US2138683A - Building wall construction : en
  • FR49187E - Alumina manufacturing process : en fr
  • SU54529A1 - Buttonholes for Bending Into Buttons : en ru
  • SU55106A1 - Compression Refrigeration Installation : en ru
  • US2138725A - Drain cock wrench : en
  • US2138297A - Drying and/or coating apparatus : en
  • FR49181E - Patient lift bed : en fr
  • FR834677A - Advanced engine with multiple cylinder stars and metering crowns : en fr
  • GB496226A - Improvements in or relating to late news and like boxes : en
  • SU55151A1 - Device for shirring the edging of shawls and similar products : en ru
  • GB496458A - Improved change speed device for pedal vehicles : en
  • SU56164A1 - Method of removing electrolytes from solutions of therapeutic sera, alkaloids, etc. substances : en ru
  • SU54431A1 - Planetary reductor : en ru
  • SU55168A1 - Portable drilling machine for small holes : en ru
  • SU55538A1 - Clamping jaws for filing templates : en ru
  • US2138078A - Lighting unit mounting : en
  • US2138293A - Gauge device : en
  • US2138321A - Special retort and apparatus for refining raw materials in solid, liquid, vapor, and gaseous form : en
  • DE668198C - Suspension for rail vehicles : de en
  • DE668314C - Control and drive for hydraulically or pneumatically moved gates : de en
  • GB496334A - Improvements relating to water ring pumps : en
  • US2138684A - Drying and cooling apparatus : en
  • USD112384S - Design for a baby walker : en
  • FR834846A - Method for washing and cleaning fabrics, and apparatus using this method : en fr
  • SU54439A1 - Separator pump for steam boilers, etc. : en ru
  • SU54676A1 - Drill pipe wrench : en ru
  • SU54369A1 - Pulse frequency measuring device : en ru
  • GB496481A - Improvements in and relating to combined respirators and gas proof suits : en
  • CH201322A - Mica heat sensor. : de en
  • GB496223A - Improvements in or relating to distributors for pneumatically transported finely divided solid material : en
  • SU54687A1 - Trolley for assembling and moving vulcanization molds : en ru
  • CH201399A - Rotary valve seal on internal combustion engines. : de en
  • SU55380A1 - Machine for tunneling and tunnels, for the production of mine workings, etc. : en ru
  • SU55393A1 - Method for the final dehydration of chloride electrolytes to produce magnesium : en ru
  • GB496303A - Improvements in or relating to tramcars, railway vehicles and the like : en
  • FR49174E - Improvements to the piano mechanism : en fr
  • GB496246A - Improvements in or relating to radio receivers and the like : en
  • GB496631A - Improvements in thread milling machines : en
  • SU54794A1 - The method of producing hexametaphosphate : en ru
  • SU55399A1 - Method of dosing of mercury lamps : en ru
  • SU55634A1 - Method for flotation concentration of molybdenum-copper ore : en ru
  • US2138122A - Process for the synthesis of ammonia : en
  • US2138465A - Oven construction : en
  • PL27442B1 - A method for solidifying a molten slag into a highly porous form and an apparatus for using the method. : en pl
  • DE668247C - Rail connection by overlapping the rail ends : de en
  • US2138405A - Multicolor sheet fed rotary printing machine : en
  • IE15313L - Colouring and waterproofing textile materials : en
  • AU105874B2 - Animproved process for engraving silicious materials : en
  • FR834795A - Box for eyeshadows, powder, or other uses : en fr
  • PL27358B1 - Heat exchanger with tube bundles of screws. : en pl
  • SU54403A1 - Collapsible lot : en ru
  • PL27443B1 - Ring stator induction motor. : en pl
  • SU54920A1 - The way to increase the power factor of the frequency transformer : en ru
  • US2138609A - Process for hydrolyzing organic halides : en
  • SU54352A1 - Top for flap development : en ru
  • SU54653A1 - Device for contactless starting, reversing and controlling without loss of a single-phase collector motor : en ru
  • SU54713A1 - The method of hardening fireclay crucibles : en ru
  • SU54480A1 - Plethrader : en ru
  • USD112393S - Design for a textile fabric : en
  • SU54538A1 - The way to turn on the pickup in radio receivers : en ru
  • SU55595A1 - Method for making barium cathode : en ru
  • SU54922A1 - Device for the transmission of power to the locomotive : en ru
  • SU54704A1 - Copper based alloy : en ru
  • SU54785A1 - Turbodrill : en ru
  • SU55346A1 - Steam distribution device consisting of main and auxiliary cylindrical spools : en ru
  • SU56054A1 - Electronic time switch : en ru
  • SU55438A1 - Method of excavation workings : en ru
  • SU55948A1 - Secret secret ring lock : en ru
  • SU55268A1 - Reactor : en ru
  • SU55379A1 - Release carabiner : en ru
  • US2138263A - Hydraulic brake for railway cars : en
  • US2138319A - Adhesive container stopper and brush : en
  • US2138551A - Roof gauge : en
  • DE668238C - Electrolytic recorder : de en
  • DK55496C - Process for the Preparation of Substituted Amino-m-Phenanthrolines. : da en
  • GB496477A - Improvements in or relating to bottles or flasks for gases under high pressure : en
  • ES144195A1 - A process for the manufacture of fuels with a very high detonation resistance. : en es
  • US2138613A - Signaling system : en
  • DE668460C - Process for burning cement and similar goods and shaft furnace for carrying out the process : de en
  • FR834674A - Improvements to the layout of cylinder head fins and their deflectors : en fr
  • FR834707A - Apparatus usable in painting for the execution of nets : en fr
  • GB496539A - Improvements in or relating to the production of wrought goods of magnesium base alloys : en
  • CH201266A - Mouthpiece for vacuum cleaner. : de en
  • US2138130A - Car structure : en
  • US2138170A - Automobile clutch : en
  • US2138285A - Produce-handling apparatus : en
  • GB496323A - Improvements in or relating to absorption refrigerating apparatus : en
  • GB496501A - Improvements in or relating to radial cylinder engines : en
  • FR834673A - Balancing balance of two electric currents : en fr
  • US2138179A - Rotary printing machine : en
  • USD112403S - Design fob a lace : en
  • GR7818B - ABSORPTION PROVISION FOR ANTI-ASPHINIZED PERSON. : el en
  • GB496408A - An improved process for the preservation of herbage as fodder : en
  • GB496499A - Method and apparatus for internally coating metal tubes with bituminous materials : en
  • GB496656A - Improvements in lead alloys for bearings : en
  • DE668275C - Waste bin for punching machines : de en
  • GB496392A - Improvements relating to dynamo regulators : en
  • DE668325C - Fuel piston pump for fast running internal combustion engines : de en
  • DE668227C - Method and device for the production of belts or drive belts from ropes : de en
  • DE668493C - Spiral heat exchanger for gas separation plants : de en
  • DE668184C - Line setting device for cash registers and accounting machines : de en
  • GB496221A - Improvements in and relating to apparatus for atomising or dispersing liquids of relatively high boiling point and for instance heavy oils such as fuel oil : en
  • GB496571A - Improved process for the manufacture of dry ice : en
  • GR7812B - METHOD FOR MAKING OPPOSITE PATTERNS WHITE AND POSSIBLE TO PAINT COATINGS ON OBJECTS OF CLAY AND ALUMINUM. : el en
  • GB496609A - Aeroplane flight control : en
  • CA378049A - Bag or sack holder : en fr
  • CH201372A - Ashtray. : de en
  • SU55126A1 - Device for maximum protection of the electric motor : en ru
  • SU55832A1 - The method of acid decomposition of phosphate : en ru
  • SU55886A1 - The method of preparation of tantalum taps for grinding in the manufacture of compact tantalum : en ru
  • DE668208C - Doublet with storage pocket on the back and cartridge pockets on the front : de en
  • DE668380C - Process for optically sensitizing photographic silver halide emulsions : de en
  • GB496459A - Improvements in telescopic shafting with cardan joints : en
  • GB496752A - Improvements relating to materials for preventing or overcoming the effects of toxicmedia such as mustard gas or similar media : en
  • US2138702A - Line coupler : en
  • CH201274A - Process for closing containers for the preservation of food products and device for implementing this process. : en fr
  • SU54608A1 - Aluminum Refining Electrolyzer : en ru
  • SU54989A1 - Wire making machine for reinforcement of reinforced concrete pipes and similar products : en ru
  • US2138168A - Aerial rocket : en
  • CH201215A - Window or Door construction. : de en
  • BE430795A - Improvements to electric cables : en fr
  • CA377955A - Carrying scraper : en fr
  • CH201269A - Ski boot. : en fr
  • CH201350A - Method and device for supplying power to the anode layer in three-layer aluminum refining furnaces. : de en
  • SU55692A1 - Device for the mechanical sorting of sawn timber : en ru
  • GB496355A - Improvements in hair curlers : en
  • GB496602A - Improvements relating to dowels : en
  • SU54383A1 - The method of cracking sour crude : en ru
  • SU55500A1 - Internal Gas Burner for Method Furnace : en ru
  • US2138468A - Centrifugal separator : en
  • SU54197A1 - Device for automatic control of receiving power : en ru
  • SU54554A1 - Device for balancing rotating parts : en ru
  • SU54588A1 - Charging conveyor for coal : en ru
  • SU54737A1 - Safety and alarm device for deformation or breakage of bolts of crank bearings of internal combustion engines : en ru
  • US2138687A - Water accumulator : en
  • USD112390S - Design for a clothespin : en
  • USD112409S - Design for a picture frame : en
  • US2138266A - Flow metering device : en
  • USD112369S - Design fob a combination smoker s : en
  • SU55072A1 - Automatic progressive transmission : en ru
  • SU55283A1 - Variable capacitor : en ru
  • SU54699A1 - Spool Machine with Sewing Machine : en ru
  • SU54778A1 - Casting method : en ru
  • SU55304A1 - Threading head : en ru
  • SU55771A1 - The method of obtaining elemental sulfur : en ru
  • US2138621A - Gas valve : en
  • GB496339A - Improvements in or relating to foot arch supports for wear in boots and shoes : en
  • FR834753A - Advanced ski binding : en fr
  • PL27410B1 - How to obtain remedies with medicinal properties from fresh plants or their parts. : en pl
  • SU54520A1 - A device for marking a tree when pruning it with an electric saw : en ru
  • SU56066A1 - Container : en ru
  • GB496419A - Improvements in swath turners and side delivery rakes : en
  • US2138391A - Circuit breaker : en
  • SU55698A1 - Method of graphitizing metals for casting bearing shells : en ru
  • CH201466A - Can. : de en
  • DE668268C - Connection elbow for hydrants for irrigation systems : de en
  • PL27476B1 - Self-acting firearms with low or medium caliber. : en pl
  • SU55119A1 - The method of producing esters from alcohols : en ru
  • SU55640A1 - Device for automatic compensation of a grid bias voltage connected in parallel to one anode rectifier of low-frequency power amplifiers : en ru
  • DE668280C - Collapsible box : de en
  • GB496443A - Improvements in the manufacture and production of artificial rubber-like substances : en
  • GB496498A - Pressing apparatus for rough drying linen, articles of clothing and the like after washing : en
  • AU105867B2 - Process of making half-cellulose from straw and grasses and similar material : en
  • CH201507A - Process for the preparation of a quaternary aminobenzylacylamine. : de en
  • FR834817A - Improvements to textile products : en fr
  • DE668297C - Double drum reel : de en
  • GB496754A - Improvements relating to devices for control and operation by fluid servo-motor : en
  • SU54942A1 - Device for heating feedwater on locomotives : en ru
  • SU55158A1 - Automatic Gas Analysis Device : en ru
  • SU55404A1 - Device for measuring the diameter of the product to be ground on the machine : en ru
  • SU55415A1 - Apparatus for recording the production of products in a liquid form of wood-pulp and pulp mills : en ru
  • SU54903A1 - The method of heat treatment of products from boron carbide : en ru
  • SU54571A1 - Device for the destruction of pests of grain products and other bulk materials : en ru
  • SU54877A1 - Drum for securing piston ring blanks when bored : en ru
  • DE668386C - Process for the production of prints and dyeings on textiles with ester salts of leukokuepen dyes : de en
  • DK55495C - Mixer for Liquids. : da en
  • DE668418C - A molding sand preparation machine similar to a kollergang consisting of a sieve and a turntable : de en
  • SU54462A1 - The method of heating transport diesel engines in the winter before launching them in turn : en ru
  • SU54674A1 - Lightweight Bucky Blend : en ru
  • US2138634A - Road rail stake pocket : en
  • SU54407A1 - Band saw setting : en ru
  • SU55344A1 - Combined machine for cleaning and processing of cotton : en ru
  • SU55457A1 - Regulator : en ru
  • SU55844A1 - The method of purification of pyridine bases : en ru
  • GB496454A - Improvements in or relating to gas-pressure actuated percussive drills and the like : en
  • SU54992A1 - Device for removing fruit cores, for example, pepper : en ru
  • SU56128A1 - Lubricant production method : en ru
  • GB496647A - Improvements in or relating to electric high frequency signalling systems : en
  • US2138467A - Centrifugal process : en
  • PL27500B1 - Photo developer. : en pl
  • SU54889A1 - Sewing machine for sewing buttons with ears : en ru
  • US2138117A - Belt tightener : en
  • FR834669A - Trolley with raised axle and steered wheels : en fr
  • SU54522A1 - Folding arch for the forge forge : en ru
  • SU55646A1 - Synchronous asynchronous motor jet type : en ru
  • SU55866A1 - The method of obtaining artificial resin : en ru
  • PL27496B1 - A method for the cleavage hydrogenation of carbonaceous materials suitable for distillation in the presence of a catalyst, and a method for the preparation of the catalyst. : en pl
  • SU54598A1 - Operator crane : en ru
  • SU55146A1 - Combine harvester : en ru
  • AU105847B2 - Improvements in or relating tothe cartridging of gelatinous and semi-gelatinous blasting explosives : en
  • BE430074A - Insulated electrical conductor and method for its manufacture : en fr
  • US2138354A - Apparatus for heating and deaerating water : en
  • USD112333S - Design fob a shoe : en
  • US2138749A - Hand harmonica : en
  • US2138081A - Process for the production of sponge rubber from aqueous rubber dispersions : en
  • DE668258C - Process for developing acetylene from calcium carbide : de en
  • CH201512A - Process for the preparation of p-dodecylaniline. : de en
  • FR834724A - Signaling device in telephone systems with automatic operation : en fr
  • GB496601A - Improvements in or relating to hydrometers : en
  • DE668459C - Safety razor : de en
  • GB496231A - Improvements in or relating to conduits, spouts or the like : en
  • GB496406A - Improvements relating to the heat and sound insulation of ships : en
  • US2138565A - Signaling system : en
  • US2138585A - Vulcanizing device : en
  • US2138548A - Connection system for primary windings of transformers for use in commutator type converters : en
  • CA377981A - Clear photographic gelatin prodfuction : en fr
  • CH201531A - Process for the production of pelts using fungal tryptases. : de en
  • DE668210C - Storage elevator for hay or the like. : de en
  • DK55493C - Drying chamber for Laundry. : da en
  • FR834696A - Household beater : en fr
  • GB496224A - Improvements in flushing apparatus : en
  • SU55575A1 - The method of preparation of canned caviar chunk fish : en ru
  • USD112395S - Design for a dress : en
  • SU54790A1 - Gall Chain Making Machine : en ru
  • SU55773A1 - The method of separation and extraction of copper and molybdenum from copper-molybdenum concentrates and their intermediate products : en ru
  • US2138210A - Control device : en
  • GR7828B - MIXTURE OF VARIOUS MATERIALS USED FOR COATING ROOFS, FLOORS AND SIMILAR. : el en
  • US2138282A - Rotating sprinkler : en
  • GB496468A - Improvements in or relating to finger gauges : en
  • GB496512A - Improvements in frames for use in making wreaths : en
  • GR7821B - FINISHING IN RECEIVERS. : el en
  • GB496258A - Manufacture of picryl compounds and conversion products thereof : en
  • FR49185E - Process for preparing the hydrogenation products of follicular hormones : en fr
  • FR49190E - Improvements to fluid distribution control devices : en fr
  • GB496515A - Improvements in or connected with toy electric railways : en
  • GB496612A - Improvements in collapsible loft stairs : en
  • FR49192E - Sterilization process in closed boxes : en fr
  • FR834811A - Cylinder head shutter for guns : en fr
  • GB496480A - Improvements in shoes and method of making the same : en
  • SU55040A1 - Mill for pulverized furnace : en ru
  • GB496299A - An improved hydraulic power transmitting device with provision for intensified torque conversion : en
  • FR49152E - Continuous distillation apparatus : en fr
  • DE668083C - Device for combining cigarettes with mouthpieces : de en
  • DK55507C - Protective ring for tractor wheels. : da en
  • GB496256A - Hand adjustable key cutting tool : en
  • GB496427A - Improved means for collecting and storing rain water : en
  • CH201288A - Process for the preparation of a monoazo dye. : de en
  • DE668274C - Process for the electrolytic production of metal coatings on objects with a non-conductive surface : de en
  • US2138476A - Centrifugal separation : en
  • FR834664A - System of simultaneous telegraphy and telephony independent between them, known as <<phono-typie>>, and modes of application of the said system : en fr
  • US2138251A - Door latch mechanism : en
  • DE668473C - Process for the gentle extraction of extractive substances from body juice : de en
  • DE666227C - Shaft coupling : de en
  • PL27396B1 - Set of simultaneously adjustable knobs. : en pl
  • PL27361B1 - Method for detecting dichlorodiethyl sulphide in air or other gaseous mixtures or on objects, materials, etc. : en pl
  • SU54982A1 - Copier cam processing machine with curved profile curved along a cylindrical surface : en ru
  • SU55118A1 - The method of fermenting fur skins bread kvass : en ru
  • SU55463A1 - Zinc carbon loading element for air depolarization : en ru
  • CH201397A - Device for auxiliary fuel injection facilitating starting in an internal combustion engine launched by means of compressed air. : en fr
  • CH201219A - Plate insert for stoves and ovens. : de en
  • US2138185A - Shoemaking : en
  • GB496482A - Illuminated transparent sign : en
  • GB496350A - Improvements in or relating to shearing heads for shearing machines : en
  • GB496397A - A releaser for the delivery of milk or other liquids under vacuum : en
  • SU54500A1 - Apparatus for determining bonding forces of bonded soils : en ru
  • SU54770A1 - Device for smoothing pulsations of rectified voltage mainly at traction substations : en ru
  • SU55689A1 - The method of rolling iron : en ru
  • US2138771A - Lubricating oil : en
  • DE668450C - Stamp machine for cards : de en
  • GB496460A - Improvements in and relating to grips for ropes, wires and the like : en
  • PL27388B1 - Method for the production of thiazole compounds. : en pl
  • US2138314A - Seat back : en
  • GB496465A - Process for impregnating webs of fibrous material, in particular paper : en
  • FR834818A - Improvements to textile materials : en fr
  • DE668205C - Normally not heated electrode for discharge tubes : de en
  • US2138561A - Animal poke : en
  • GB496261A - Improvements in or relating to flexible shutters or the like : en
  • FR834715A - Improvements to magnetos : en fr
  • GB496532A - Improvements in or relating to traction devices for wheels provided with rubber tyres : en
  • DE668487C - Device for cutting open weft thread loops : de en
  • FR49188E - Automatic bagging weigher : en fr
  • GB496338A - Improvements in or relating to dowel pins employed in the joining of wooden members together : en
  • GB496495A - Improvements in or relating to railway signal and/or points control equipment : en
  • DE668270C - Gearboxes for piston engines, especially internal combustion engines, with a star-shaped cylinder arrangement : de en
  • AU105886B2 - Hair curling device and method of curling hair : en
  • AU87038A - Improved circuit for the reception of stationary or moving pictures which is devised for the reception of line and picture impulses transmitted jointly with the picture currents : en
  • US2138156A - Packer : en
  • AU105873B2 - Improvements inthe treatment of charges supplied to internal combustion engines : en
  • SU54428A1 - A method of processing mother liquors electrolytic production of potassium permanganate : en ru
  • SU55754A1 - Device for changing the phase shift between the electromotive force of idling and the voltage of synchronous generators : en ru
  • US2138756A - 4-methyl uracil and homologues thereof : en
  • US2138743A - Vehicle record and article holder : en
  • USD112363S - chapman : en
  • SU55385A1 - Reactor : en ru
  • CH201448A - Comb with cleaning device. : de en
  • CH201299A - Multi-walled sack. : de en
  • SU55655A1 - A switch with a large number of contacts for an electrical device that counts voices : en ru
  • AU528737A - Capsule stoppers for bottles : en
  • SU54498A1 - Stereoscopic vision tv : en ru
  • SU55732A1 - Circular saw blades : en ru
  • PL27412B1 - A method of recovering a solvent from a separated paraffin slurry obtained during dewaxing mineral oil. : en pl
  • SU55831A1 - The method of producing alkyd resins : en ru
  • US2138243A - Timing mechanism : en
  • US2138615A - Road joint end seal : en
  • US2138691A - Method and apparatus fosg condition : en
  • US2138555A - Apparatus for screening out secondary x-rays with a continuously moved grid : en
  • US2138652A - Electric switching : en
  • US2138697A - Ejecting device for freezing trays : en
  • GB496407A - Improvements in brackets for attaching suspension chains or the like to mirrors or other articles : en
  • CA377969A - Tube base and socket : en fr
  • CH201498A - Locomotive for high speed and great performance. : de en
  • DE668200C - Process for the simultaneous transmission of picture and sound on two different carrier waves : de en
  • FR834799A - Packaging : en fr
  • SU55011A1 - Sled bike : en ru
  • SU55645A1 - Recording device : en ru
  • SU55987A1 - The device for the manifestation of films in the light : en ru
  • SU56141A1 - Direct Frequency Tube Generator : en ru
  • PL27400B1 - Electric installation distribution box. : en pl
  • SU55906A1 - Device for the continuous cooking of raw materials in the alcohol industry : en ru
  • US2138098A - Protective device for crankcase ventilators : en
  • SU54434A1 - Heating furnace damper : en ru
  • SU55935A1 - Automatic brake to gramophone : en ru
  • US2138750A - Mine loading apparatus : en
  • SU54348A1 - Electric conveyor furnace for hardening files : en ru
  • SU54553A1 - Fishing slot : en ru
  • CH201338A - Watch. : en fr
  • FR834797A - Mobile wringer control by stationary motors : en fr
  • GB496509A - Improvements in or relating to electric radiators : en
  • CH201349A - Process for the preparation of alloys containing niobium carbide. : en fr
  • GB496282A - Improvements in shaft bearings : en
  • US2138019A - Carton : en
  • US2138631A - Cord take-up device for lamps and the like : en
  • CA377952A - Typewriter operating system : en fr
  • DE668282C - Ram spade for making sheep : de en
  • CH201352A - Method and device for pouring out bearings. : de en
  • CH201491A - Brakes on vehicles with a handlebar such as bicycles. : de en
  • SU54491A1 - Shave : en ru
  • SU55157A1 - Compass for relief sketching arcs of circles, mostly blind : en ru
  • SU56048A1 - Cartridge for capping machines for crimping capsular shutter on the neck of glass containers : en ru
  • US2138148A - Gear shift : en
  • USD112375S - Design for a chest or similar : en
  • GB496243A - Improvements relating to windows and window blinds or screens : en
  • GB496438A - Electric insulating materials : en
  • AU105859B2 - F" Improvements relating to magnetically-operated electric switches : en
  • CH201441A - Process for the preparation of a compound of 3-benzene-azo-2. 6-diaminopyridines. : de en
  • SU54968A1 - Wire Feed Tool : en ru
  • SU55031A1 - Device for coating the inner surface of the walls of cylindrical vessels with an even layer of nutrient medium (agar-agar) for the cultivation of bacteria : en ru
  • US2138342A - Implement retainer : en
  • US2138571A - Insulator : en
  • USD112404S - Design for a textile fabric : en
  • SU55330A1 - Dry spray for powder coating on plants, mainly for breeding purposes : en ru
  • CA377998A - Folding and sliding door or window : en fr
  • US2138450A - Railway pilot structure : en
  • AU105853B2 - An improved retention device for collars for personal wear : en
  • CH201412A - Process for filling interstices inside a solid, natural or artificial object. : en fr
  • CH201440A - Process for obtaining a substance belonging to the flavanone group. : de en
  • SU54361A1 - Syringe for injecting fertilizer solutions into the soil : en ru
  • SU54946A1 - A device for drawing drawing blades of water and propellers : en ru
  • US2138804A - Chewing gum : en
  • SU54651A1 - Bar material viscous machine : en ru
  • DE668209C - Abraumfoerderbruecke running on rails with devices to prevent downforce due to wind pressure : de en
  • CH201378A - Pivoting water outlet device for feeding containers at different distances from the tap. : de en
  • CH201335A - Shock absorbing bearing. : en fr
  • CH201375A - Device with flexible diaphragm, controlled by pressurized fluid. : en fr
  • AU99438A - Improved method of and apparatus forthe production of coiled hanks of wire : en
  • CA377914A - Braking system for car trucks : en fr
  • CA378054A - Boomer or load binder : en fr
  • BE430566A - : en
  • CA377983A - Hardening photographic emulsion : en fr
  • SU56162A1 - The method of obtaining carotene from carrots : en ru
  • US2138143A - Air conditioning system : en
  • US2138162A - Thermionic tube and circuits : en
  • DE668246C - Low-noise platen for typewriters, typewriters, adding machines, etc. like : de en
  • DE668437C - Dynamically compounded DC machine : de en
  • US2138542A - Buckle : en
  • PL27374B1 - An advertising projection device with two projection devices alternately producing an image on one screen. : en pl
  • SU54967A1 - Switching device for high-voltage electric machines of direct current with a fixed core : en ru
  • SU55101A1 - The method of preparation of fuel briquettes : en ru
  • SU55199A1 - Device for eliminating the impact of pressure gauge readings : en ru
  • SU54700A1 - Sieve with triangular holes : en ru
  • SU54821A1 - Device for checking correct installation of bridges and other trusses : en ru
  • SU55691A1 - Heating device for central water heating systems : en ru
  • SU55900A1 - Method of preparing rich in vitamins C jam, syrups, mashed potatoes and similar food products from green walnuts : en ru
  • CH201474A - Device for vehicles to protect the driver from dazzling light. : de en
  • CH201459A - Method for the remote transmission of images. : en fr
  • SU55501A1 - Savings Device for Circular Molding Machines : en ru
  • SU56152A1 - Scalding device and year : en ru
  • CH201245A - Garden seating. : de en
  • PL27372B1 - Water engine. : en pl
  • SU54748A1 - Brick combined oven : en ru
  • CA377978A - Nitrate production : en fr
  • US2138039A - Treatment and packaging of ether : en
  • SU55396A1 - The method of obtaining rosin by acid decomposition of resin soap : en ru
  • SU54372A1 - Electricity meter : en ru
  • SU54541A1 - A method of making incendiary electrodes for electrovacuum devices of the type of ignatrons : en ru
  • SU55242A1 - Rotary pump : en ru
  • US2138026A - Wire bending and securing device : en
  • PL27512B1 - Heat exchanger. : en pl
  • SU55493A1 - Unipol rna machine : en ru
  • SU56239A1 - Machine for pruning the hem of welted hemming after shoe lining : en ru
  • US2138055A - Slug eliminator for vending machines : en
  • SU55148A1 - Plow : en ru
  • US2138746A - Wireless and like receiver : en
  • US2138253A - Tool holder : en
  • US2138463A - Motor vehicle : en
  • SU54451A1 - Apparatus for controlling the load of the rolling mill motor : en ru
  • SU55058A1 - Rotating switch : en ru
  • SU55165A1 - Sediment Trap : en ru
  • SU55451A1 - Synchronous transmission : en ru
  • SU55021A1 - Device for automatic electrode feeding during arc welding : en ru
  • DE611104C - Tobacco cutting device : de en
  • GB496394A - Improved method of controlling the field strengths of series-wound motors : en
  • AU61638A - Hair curling device and method of curling hair : en
  • SU54893A1 - Tara-toy for packaging sweets, etc. : en ru
  • SU55260A1 - Regenerative Radio Device : en ru
  • SU55410A1 - Capacitor for measuring and controlling humidity on machines with continuously moving sheet material : en ru
  • US2138382A - Circuit breaker : en
  • US2138169A - Clutch : en
  • GB496725A - Improvements in two-stroke cycle internal combustion engines with swash-plate driving-gear : en
  • PL27480B1 - A stamping machine for the simultaneous stamping of consecutive numbers and letters on metal plates. : en pl
  • SU54455A1 - Mobile shovel : en ru
  • SU54833A1 - The method of obtaining pulp for skin substitutes : en ru
  • SU55143A1 - Correction machine : en ru
  • CA377963A - Muffle flue : en fr
  • DE668372C - Device to prevent loosening of the nuts of connecting screws for paddle slides : de en
  • DE668429C - Adjustment device for speed monitoring devices of vehicles, in particular railway vehicles : de en
  • DE668480C - Process for making long-lasting cream : de en
  • PL27401B1 - A coin operated telephone. : en pl
  • CH201298A - Process for producing water- and grease-proof papers. : de en
  • SU54927A1 - Device for maintaining constant speed of dc motors : en ru
  • SU55129A1 - Receiving electromagnetic mechanism : en ru
  • US2138014A - Preparation of viscose sirup : en
  • US2138094A - Smoothing roll : en
  • PL27426B1 - Impact fuse. : en pl
  • SU54363A1 - Marking device, for example, length gauges : en ru
  • SU54660A1 - Endless chained escalator : en ru
  • SU54684A1 - Drum feeder for pressure equipment : en ru
  • SU55678A1 - Device for recording the profile of the treated surface : en ru
  • US2138526A - Sanding apparatus : en
  • CH201381A - Oil delivery device with rollers as delivery elements for slide bearings with oil reservoir. : de en
  • FR834652A - Electro-mechanical servo-control device allowing in particular remote control : en fr
  • SU54931A1 - Chlorine dioxide production method : en ru
  • SU55347A1 - Method for the production of thin-sheet chromic magnetic steel : en ru
  • CH201247A - Fitting on seating and lounging furniture. : de en
  • CH201422A - Thermal release. : de en
  • FR834800A - Automatic motor speed control device : en fr
  • SU54998A1 - The method of driving piles into frozen ground : en ru
  • SU55082A1 - Machine for cutting round holes in fabric, leather and similar materials : en ru
  • SU55213A1 - Cell to the suction apparatus of the woolen spinner : en ru
  • FR834688A - Method and apparatus for the separation of solids of different specific gravities : en fr
  • FR834819A - Tank for galvanizing and similar operations : en fr
  • SU54733A1 - The method of decarbonization of mineral drilling waters : en ru
  • SU56145A1 - Method for detecting defects in articles made of magnetic material : en ru
  • FR834750A - Agricultural machine for cutting and harvesting beets : en fr
  • GB496473A - Improvements in or relating to devices comprising a gas-discharge tube : en
  • CH201237A - Dishwasher. : de en
  • GB496341A - Improvements in or relating to observation devices for motor vehicles : en
  • SU54846A1 - The machine for gouging teeth on a spiral chute of ball-stripping discs : en ru
  • SU55182A1 - Device for giving the desired position of the lower limb : en ru
  • BE430779A - : en
  • PL27390B1 - A method of making doll heads of celluloid, rubber or a similar material. : en pl
  • PL27495B3 - The frame is shaped like a fork for cars. : en pl
  • US2138453A - Elastic garment band : en
  • US2138547A - Pneumatic braking device : en
  • US2138649A - Repeat printing of items : en
  • SU54551A1 - Device for separating heavy impurities from a grain : en ru
  • SU56236A1 - Barometric capacitor : en ru
  • US2138034A - Propelling mechanism for aircraft and vehicles : en
  • US2138233A - Mechanical pencil : en
  • GB496614A - Improvements in or relating to photographic cameras : en
  • CH201380A - Continuous type gear change device. : en fr
  • SU54523A1 - Trolley for feeding ingots to the rolling table of the rolling mill : en ru
  • SU55729A1 - Winding machine resistance : en ru
  • DE668290C - Safety device for the operational readiness of internal combustion engines that are operated with long operational interruptions, in particular for driving emergency machine sets : de en
  • SU55272A1 - Self-propelled apparatus for pulling wires through pipes : en ru
  • SU56155A1 - A device for determining the amount of petroleum products in tanks : en ru
  • GB496520A - Manufacture of dyes, and their use in modifying the properties of photographic emulsions : en
  • DE668317C - Device for cleaning hunting rifles and weapons of similar caliber with the help of the well-known strickfoermigen wiping pad : de en
  • DE668229C - Rest bearing for the printing elements on typewriters or the like. : de en
  • GB496342A - Improvements in rotary motors and compressors : en
  • US2138027A - Internal combustion engine : en
  • USD112344S - Design for a shoe : en
  • DE1451819U - Air purifiers, in particular for internal combustion engines : de en
  • GB496467A - Means for cooling electric machines by air circulation : en
  • GB496517A - Improvements in or relating to apparatus for folding wrappers around tablets : en
  • US2138299A - Adjustable yarn winder : en
  • GB496452A - Improvements in stoppers : en
  • FR834681A - Aluminum alloy : en fr
  • SU55860A1 - A device for dispensing measured quantities of liquid : en ru
  • US2138716A - Bread crumbing machine : en
  • GB496616A - Improvements in or relating to apparatus for manipulating tyres : en
  • US2138134A - Short wave signaling : en
  • US2138389A - Carrier for full-fashioned knitting machines : en
  • SU54705A1 - Mechanical hammer : en ru
  • GB496333A - Improvements in and relating to insulating materials : en
  • US2138626A - Surgical device : en
  • US2138456A - Roofing material : en
  • DE668226C - Device for supplying grinding or polishing agents to lens grinding machines : de en
  • GB496587A - Improvements in the manufacture and production of oxides of nitrogen : en
  • SU53650A1 - Device for connecting symmetrical and asymmetrical electrical systems : en ru
  • SU55052A1 - Device for pushing notebooks in a stitching machine : en ru
  • US2138206A - Slack adjuster : en
  • SU54678A1 - The method of fixing the die in the frame : en ru
  • SU54822A1 - The method of processing cedar plates for the manufacture of pencils : en ru
  • SU55343A1 - Track hormonal device : en ru
  • USD112399S - Design for a dress : en
  • GB496727A - Transmission gear for motorcycles : en
  • SU54609A1 - Sulfur dressing machine : en ru
  • US2138072A - Propeller and like rotary member : en
  • US2138151A - Typewriting and like machine : en
  • US2138510A - Muffler : en
  • US2138805A - Germicidal detergent : en
  • SU55577A1 - The method of gas deratization : en ru
  • US2138807A - Method of making enameled can bodies : en
  • SU55721A1 - A device for counting the number of skins skipped to machines for measuring their area and brand : en ru
  • USPP305P - byrum : en
  • CA377945A - Tablet dispensing container : en fr
  • CA377961A - Allantoin ointment : en fr
  • USD112415S - Design for a photo frame book : en
  • GB496316A - Improvements in and relating to boring and end-milling tools : en
  • GB496748A - Improvements in and relating to bituminous materials : en
  • IE15180L - Wireless direction finding : en
  • SU54558A1 - Compensation device for measuring grounding resistance : en ru
  • SU54595A1 - Hydraulic driven piston pump : en ru
  • SU55159A1 - The method of determining the distance from the station to the ground fault : en ru
  • SU55833A1 - The method of washing lead acetate from lead white : en ru
  • DE668320C - Circuit arrangement for displaying the number of pulses in the unit of time for the purposes of remote measurement using the pulse frequency method : de en
  • SU55428A1 - Device for feeding and spraying fuel in diesel engines with hydraulic drive of fuel pump : en ru
  • US2138350A - Apparatus for printing tennis balls : en
  • SU54592A1 - Method of defibration : en ru
  • SU55567A1 - The method of installation of the copier, respectively, the details on the gas cutting machine : en ru
  • FR49163E - Wiper : en fr
  • SU54741A1 - The method of drying tiles and similar products : en ru
  • SU55802A1 - V-shaped manometer : en ru
  • DE668169C - Cooking device for sausage and meat products : de en
  • GB496450A - Improvements in and relating to internal combustion engines operating with fuel injection : en
  • SU54143A1 - Method of making vitamin tablets : en ru
  • SU55178A1 - Gas generator : en ru
  • SU55454A1 - Device for determining the level of the bulk body in the hopper : en ru
  • SU55521A1 - Coupling coupling : en ru
  • SU56190A1 - Device for moving the bike through the water : en ru
  • US2138595A - Radio range beam projector : en
  • US2138629A - Switch device : en
  • SU54617A1 - Automatic scales for lumpy materials, mainly root vegetables : en ru
  • SU54814A1 - The method of obtaining food acetic acid : en ru
  • SU55647A1 - Keyboard xylophone : en ru
  • US2138639A - System of coding and decoding : en
  • GB496476A - Improvements in and relating to steel linings for shelters, tunnels or the like : en
  • US2138084A - Motor vehicle : en
  • GB496528A - Improvements in and relating to magnetic dust cores for high frequency coils : en
  • DE668315C - Drawing device : de en
  • GB496367A - Take-up for sewing machines : en
  • SU55651A1 - Hot Permanent Hair Curler : en ru
  • SU55812A1 - Device for determining the amount of heat : en ru
  • SU56285A1 - Method and device for gasification of solid combustible : en ru
  • GR7827B - TOBACCO SYNCHRON DIVIDED INTO TWO PIECES AND RECONSTRUCTED. : el en
  • PL27458B1 - Cookware, not of metal, electric. : en pl
  • SU54392A1 - The method of producing synthetic hydrocarbons : en ru
  • SU55391A1 - The method of obtaining glyptal-oil lacquer base : en ru
  • SU55853A1 - Carousel for molding and vulcanization of rubber shoes : en ru
  • DE668431C - Magnetic train control device with one or more permanent magnets on the track : de en
  • ES144200A1 - A procedure for the hydrogenation of octones. : en es
  • GB496583A - Improvements in or relating to attitude-of-flight indicators : en
  • GB496379A - Improvements in or relating to cigar wrapping machines : en
  • GB496755A - Improvements in or relating to coke oven door operating mechanism and methods of operating same : en
  • USD112342S - Design for a shoe : en
  • FR49151E - : fr
  • FR49160E - System for fixing spokes to the rims of bicycle wheels and the like : en fr
  • GB496362A - Improvements in pressure-release devices for wringers : en
  • GB496369A - Improvements in or relating to throw-out bearings for shaft clutches : en
  • FR834725A - Transmission system : en fr
  • FR834783A - Improvements in the manufacture of rubberized articles by spraying latex : en fr
  • GB496293A - Improvements in or relating to welded joints for pipes, cylinders or the like : en
  • GB496597A - Improvements in or relating to milking machines : en
  • US2138415A - Combination footrest and cuspidor : en
  • DE668299C - Wave trap for oscillating circuit systems : de en
  • GB496503A - Improvements in or relating to tachometers and like speed indicating instruments : en
  • US2138496A - Booklet and cover means : en
  • DE668339C - Electric capacitor : de en
  • SU55205A1 - Method of cleaning wax from primary peat tar : en ru
  • US2138597A - Chalk sharpening machine : en
  • US2138718A - Bottle or container of paper, wood pulp, or the like : en
  • US2138119A - Bag : en
  • US2138144A - Machine for assembling packing on pistons and the like : en
  • US2138270A - Road surface and paving blocks for forming such surface : en
  • US2138194A - Hydraulic pump : en
  • US2138426A - Control for motor vehicle clutches, brakes, and transmissions : en
  • US2138731A - Detector circuits : en
  • DE668180C - Needle bar with swiveling middle part for flat weft knitting machines : de en
  • DE668211C - Loading ramp suspended in two points for loading sheet metal : de en
  • US2138001A - Engine and exhaust pipe cooling system : en
  • US2138579A - Lamp construction : en
  • DE668316C - Machine for inserting eyelets : de en
  • FR834751A - Method for the isolation of electrical devices : en fr
  • SU54646A1 - Device for simultaneous spark recording of readings from several measuring instruments : en ru
  • SU55449A1 - Brake for coils and hanging spinners spinning wool : en ru
  • US2138536A - Mower : en
  • FR49178E - Advanced ratchet and ratchets with applications : en fr
  • SU54456A1 - Regime adaptation to an air brake : en ru
  • SU54539A1 - Tube generator : en ru
  • SU54782A1 - The method of degreasing leather to tanning : en ru
  • SU55263A1 - Device for measuring resistively shunted capacitance : en ru
  • US2138512A - Drawbar structure : en
  • US2138714A - Valve : en
  • US2138497A - Coaster brake : en
  • GB496488A - Improvements in water tube steam boilers : en
  • CA378014A - Receptacle cap seal : en fr
  • CH201311A - Device for waxing snowshoes. : de en
  • CH201430A - Magnetic bodies for measuring devices. : de en
  • US2138651A - Lobster-claw lock : en
  • GB496385A - Improvements in or relating to reels for winding and delivering thread or the like : en
  • US2138042A - Selective receiver for wave signals : en
  • CA378039A - Piston ring : en fr
  • SU53538A1 - Ball bearing with pressed from metal sheet rings : en ru
  • SU54559A1 - Apparatus for summing or simultaneously counting the number of revolutions or displacements of several mechanisms : en ru
  • SU54586A1 - Scraper fixture for ground sticking : en ru
  • SU54768A1 - Wire saw for cutting crystals and stones : en ru
  • US2138220A - Internal combustion turbine : en
  • US2138701A - Machine for manufacturing undercut sand molds : en
  • SU54536A1 - A device for removing plaster prints from rail holes : en ru
  • SU54923A1 - Mercury Time Relay : en ru
  • SU55490A1 - Stopwatch clock : en ru
  • SU56259A1 - The method of obtaining reinforced glass, etc. Materials : en ru
  • US2138064A - Combination reducing valve and desuperheater : en
  • US2138438A - Means for connecting the frame with the axles of vehicles : en
  • SU54436A1 - Way to mind gcheni water : en ru
  • SU55015A1 - Binder for rods : en ru
  • SU55674A1 - Device for adjusting the contour of a graphic template in a machine operating with a photocell : en ru
  • FR834727A - Screening device for high frequency tube devices : en fr
  • US2138732A - Electric regulator : en
  • CH201366A - Puller for double-edged razor blades. : de en
  • SU54589A1 - Circular saw machine for cutting discs from wood blanks : en ru
  • SU55218A1 - Cutting machine cutting machine : en ru
  • US2138154A - Towel dispensing apparatus : en
  • SU55515A1 - Device for shock excitation of a synchronous machine : en ru
  • SU55928A1 - Pulse generator on two triodes of a circuit of inputs and grids of which are connected by resistances : en ru
  • SU54640A1 - Device for detecting defects in a short-circuited rotor winding : en ru
  • US2138268A - Brake drum machine : en
  • US2138788A - Method of making folders : en
  • GB496321A - Improvements in or relating to suction rolls with suction cells for paper-making machines : en
  • DE668204C - Device for regulating DC shunt machines with the help of Waelz or sliding regulators : de en
  • GB496298A - Improvements in and relating to shaft-coupling protectors : en
  • GB496399A - Improvements in or relating to air or gas compressors : en
  • GB496580A - Manufacture of acid green triphenylmethane dyestuffs : en
  • PL27452B1 - A method of treating artificial fibers made of casein in order to adapt them to dyeing with chromium dyes. : en pl
  • SU54743A1 - Device for dynamically balancing rotating parts : en ru
  • SU55611A1 - The method of obtaining aromatic oxaldehyde : en ru
  • SU56053A1 - Balancing machine for dynamic balancing of rotors : en ru
  • PL27459B1 - Manufacturing of corrugated knees and compensating shapes. : en pl
  • GB496568A - Improvements in or relating to power driven electric-circuit changing mechanism : en
  • GR7800B - STEAM SYSTEM. : el en
  • GB496615A - Improvements in the purification of carbon or graphite : en
  • GR7814B - PERFECTIONS IN ELECTROMAGNETIC MOTOR WITH RECONSTRUCTION MOTION. : el en
  • DE668373C - Rack mechanism for synchronous clocks : de en
  • DE668362C - Rotary piston machine in which the runner is provided with radially movable blades and is arranged in a barrel housing that can be displaced for the purpose of changing performance : de en
  • SU54860A1 - Device for testing flat coil springs : en ru
  • SU55668A1 - Filter for liquid fuels and similar materials : en ru
  • US2138373A - Luminair : en
  • US2138680A - Carton : en
  • SU55345A1 - High-speed chrome-molybdenum-vanadium steel : en ru
  • PL27474B1 - A way to prevent mildewing of products, especially food products. : en pl
  • SU54649A1 - Generator Fuel Billet Machine : en ru
  • SU54492A1 - Goniometer : en ru
  • SU54655A1 - Bow arrow : en ru
  • SU56247A1 - Tool for tensioning the cutting wire in the brick cutters : en ru
  • GB496241A - Manufacture of azo-dyestuffs : en
  • GB496257A - Improved means for use in the demonstration of optical systems and apparatus : en
  • GB496309A - Improvements in jacquard card and verdol paper roll repeater cutting machines : en
  • DK55506C - Bath mat by Kautsjuk. : da en
  • SU55803A1 - Device for laying flat glass on cutting tables : en ru
  • US2138562A - Dumping buggy : en
  • US2138103A - Road paving machine : en
  • USD112353S - Design for a piano case : en
  • SU55599A1 - Instrument for driving with closed regulator : en ru
  • US2138237A - Power plant for operating an accessory : en
  • GB496305A - Improvements in or relating to thermostatically-controlled gas-valves : en
  • US2138244A - Control apparatus : en
  • GB579961A - Improvements in doors for aircraft sheds, hangars and like buildings : en
  • BE430802A - : en
  • BE430523A - : en
  • CA377932A - Hand brake : en fr
  • CH201254A - Process for at least partial removal of the pre-stretch in highly twisted yarns. : de en
  • PL27378B1 - Closed core transformer with adjustable magnetic dispersion. : en pl
  • SU55643A1 - Electric cable winder : en ru
  • US2138023A - Method of treating anodic coatings on magnesium and its alloys : en
  • PL27477B1 - A self-acting firearm with a trigger, deployed from a distance by compressed air. : en pl
  • SU54626A1 - A device for conductor electric drilling of holes in wood products : en ru
  • SU54636A1 - Electric breaker : en ru
  • SU55080A1 - Machine for grinding and polishing glass sheets simultaneously on both sides : en ru
  • SU55225A1 - Chemical extinguisher holder : en ru
  • SU55868A1 - Method of pressing wood : en ru
  • US2138406A - Mechanism for cutting and delivering sheets from a web : en
  • AU105894B2 - Improvements relating to empty and load brakes : en
  • CH201456A - Method and device for regulating the resonance effects of two electrically tuned, coupled circuits. : de en
  • AU105878B2 - Method of producing special colour tones on embossed foils : en
  • DE668335C - Blocking magnet and locking device for route and signal levers in electrical power stations : de en
  • FR834775A - Hollow cylindrical conductor for remote transmission : en fr
  • FR834816A - Variable flow nozzle : en fr
  • SU54433A1 - Liquid transfer spool for hydraulic transmissions : en ru
  • US2138230A - Wearing apparel : en
  • CH201480A - Drive device on crawler tractors. : de en
  • AU105938A - Machine for making wired box parts : en
  • CH201370A - Solid fuel lighter. : de en
  • CH201420A - Overcurrent time relay with Ferrari motor as a time element. : de en
  • CH201265A - Motorized washing machine. : de en
  • CA378021A - Separatory flotation method : en fr
  • BE430495A - : en
  • PL27360B1 - Electric discharge lamp. Patent dependent on claims 5 from Patent No. 25440. : en pl
  • SU54582A1 - Peat turning machine : en ru
  • SU54716A1 - Electric starting device for presses : en ru
  • SU55747A1 - Method of graphitizing metals for casting bearing shells : en ru
  • SU55895A1 - Device for removing darks from sugar heads : en ru
  • SU55104A1 - Centrifugal spindle : en ru
  • SU55277A1 - A method of making an impregnating mixture for leather products, e.g. cuffs : en ru
  • SU55348A1 - The device for the registration of excavation by suction dredger : en ru
  • SU55809A1 - Extractable stamp with spring loaded pressure ring : en ru
  • SU56045A1 - The method of obtaining fiber from bast : en ru
  • SU55335A1 - Injection molding machine : en ru
  • SU56022A1 - Impact drill bit : en ru
  • US2138622A - Flare assembly : en
  • SU55152A1 - Adaptation to geodetic instruments for reading the angles of rotation of the alidade : en ru
  • SU54838A1 - A device for filling cans with pouring : en ru
  • SU55310A1 - Centrifugal machine for pouring : en ru
  • SU55288A1 - Strain gauge : en ru
  • US2138291A - Steel partition construction : en
  • PL27429B1 - Butter forming machine. : en pl
  • US2138787A - Method of making resilient metallic bunches : en
  • SU55962A1 - Glass tube making machine : en ru
  • CH201393A - Spark plug. : de en
  • SU55123A1 - Camphor production method : en ru
  • SU55280A1 - Screw pump : en ru
  • CH201337A - Watch caliber. : en fr
  • CH201295A - Method and device for the treatment of bathing water. : de en
  • CH201391A - Working cylinder with tubular control valve for internal combustion engines. : de en
  • SU54624A1 - Forearm Bone Fracture Instrument : en ru
  • SU54742A1 - Open-hearth furnace : en ru
  • SU55005A1 - Method of manufacturing thin sheets and tapes of transformer steel : en ru
  • SU55054A1 - Device for printing numbers or characters on stitched notebooks x : en ru
  • SU55200A1 - Tension antenna plateless insulator rod (cane) type : en ru
  • SU55432A1 - Automatic tape transmitter : en ru
  • US2138424A - Bottle crate : en
  • CA377947A - Conveying apparatus : en fr
  • SU55012A1 - One-roll crusher for crushing coal and similar materials : en ru
  • SU55637A1 - The method of obtaining esters : en ru
  • IE15823L - Die-cast electric conductor systems : en
  • PL27417B1 - Anchor nut. : en pl
  • SU54667A1 - Centrifugal electric pump : en ru
  • SU54755A1 - Automatic machine for machining shaped surfaces : en ru
  • SU54959A1 - Method for correcting optical glass constants : en ru
  • SU55676A1 - Method of sealing round conductors of electrical cables : en ru
  • USD112348S - Design for a chair back : en
  • BE430783A - Oil-filled rotary contact circuit breakers for moderate voltages : en fr
  • GB496586A - Device for preventing self-abuse by stallions : en
  • AU105907B2 - Collapsible container : en
  • AU196138A - Process for the recovery of zinc from zinciferous material in shaft furnaces or the like, direct heated furnaces : en
  • CA377935A - Electric discharge device : en fr
  • CA378005A - Syringe : en fr
  • CH201258A - Beater spindle for looms. : de en
  • SU54648A1 - Waveform analyzer plotted in polar coordinates : en ru
  • SU55085A1 - Air Carburizing Device : en ru
  • US2138564A - Roller screen construction : en
  • CH201376A - Sealing device for pistons. : en fr
  • DE668445C - Process for the production of non-splintering glass : de en
  • GB496574A - Improvements relating to the production of artificial materials from highly polymeric compounds : en
  • SU55124A1 - Switching device : en ru
  • SU55899A1 - The method of obtaining artificial resin : en ru
  • US2138452A - Method of winding balls : en
  • USD112352S - Design fob a textile fabric ob : en
  • PL27485B1 - Electric light bulb, especially for motor vehicles, from a glass bank containing cadmium sulphide and sulfur. : en pl
  • SU54563A1 - Harmonic analyzer : en ru
  • US2138673A - Garment clasp : en
  • PL27503B1 - Charging device for shaft extraction pits. : en pl
  • SU54930A1 - The method of preparation of slide plates : en ru
  • SU55960A1 - The method of etching ferrous and non-ferrous metals : en ru
  • US2138740A - Steam engine valve : en
  • CH201417A - DC tap changer with arc extinguishing by flowing compressed gas. : de en
  • DE668285C - Automatic station protection switch : de en
  • DE668465C - Prevention of putrefaction of dairy waste water : de en
  • GB496626A - Improvements in web-feeding devices for paper folding machines : en
  • CA378003A - Welded structural member : en fr
  • CA378029A - Therapeutic preparation : en fr
  • GR7819B - PERFECTIONS IN OR IN RELATION TO THE MANUFACTURE OF PIPES FROM FIBER PULPS. : el en
  • FR834651A - Apparatus for photographic reproduction of documents : en fr
  • GB496276A - Manufacture of artificial substances resembling rubber : en
  • AU492437A - Improvements in or relating to mercury low-pressure luminous electric discharge devices : en
  • CH201313A - Double-arrow wheel carriage with opening arrows. : en fr
  • CH201220A - Installation for heating and cooling of a room. : en fr
  • CH201532A - Transformer, especially a power transformer for high currents on the low-voltage side with a high-voltage winding consisting of several concentric tube coils. : de en
  • CH201316A - Tripod mount, for machine guns or light cannons. : en fr
  • GB496623A - Improvements in pistons for internal combustion engines : en
  • SU55472A1 - A device for final adjustment of manual harmonics, bans, accordions, etc. : en ru
  • SU28285A1 - Feeder to small, scutching, etc. stalk processing machines : en ru
  • SU54696A1 - A device for alternately removing barrels from inclined racks : en ru
  • SU55710A1 - Instrument for quickly determining the rot and suitability of telegraph and telephone poles : en ru
  • US2138436A - Cotton huller : en
  • USD112332S - Design for a shoe : en
  • CA377970A - Tube base and socket : en fr
  • CA377934A - Electrical connector : en fr
  • CH201406A - Transformer with devices for suppressing harmonics in the magnetizing current. : de en
  • CH201217A - Base for trash can. : de en
  • CH201277A - Process for preparing raw products for the grinding process with enrichment of their nutritional values. : de en
  • CH201360A - Process for regulating and maintaining the effectiveness of salt baths that can be used for the treatment of light metals. : de en fr
  • US2138330A - Radio frequency coil : en
  • DE668296C - Process for the production of grained mixed fertilizers from felled lime compounds : de en
  • DE668251C - Circuit arrangement for local circuits operated with double current of relay transmissions in telegraph systems : de en
  • SU56047A1 - Seam welding machine : en ru
  • US2138400A - Apparatus for cutting metals with liquid oxygen : en
  • SU55761A1 - Device for determining the location of a short circuit of an electric line : en ru
  • SU54746A1 - Device for intermittent movement of the cleaner along the spinning machine : en ru
  • US2138020A - Carburetor : en
  • US2138578A - Method and apparatus for the production of cellulosic structures : en
  • CH201326A - Relay arrangement for measuring the duration of an electrical current. : de en
  • DE668295C - Procedure for regulating the paper tension : de en
  • SU54853A1 - Threading device in hand needles : en ru
  • SU55194A1 - The method of obtaining the combined magnesium-phosphate fertilizers : en ru
  • SU55909A1 - Tea leaf rolling machine : en ru
  • US2138178A - Sheet delivery device for printing machines : en
  • GB496236A - Improvements in or relating to settling-tanks or thickeners : en
  • FR834793A - Milling machine for detaching the milled products : en fr
  • GB496370A - Improvements in or relating to metal frame members for doors, wall panels and the like : en
  • GB496584A - Improvements in medical, dental and like sprays : en
  • AU105893B2 - Improvements in encasements for treating fractures andthe like : en
  • CH201501A - Kötzerspulmaschine. : de en
  • DE668416C - Protection circuit for electrical lines : de en
  • FR834700A - Horizontal chamber coke oven stripper rod : en fr
  • GB496242A - Improvements in or relating to textile fabric articles and the production thereof : en
  • US2138231A - Electric transmission : en
  • US2138347A - Purification of caustic : en
  • USD112339S - Design for a textile fabric : en
  • SU54533A1 - Arm for repairing bone fragments forearm : en ru
  • SU55452A1 - Reverb device : en ru
  • SU55485A1 - Instrument for measuring the internal track of a boot, for example, : en ru
  • AU494337A - Improvements in or relating to modulated carrier wave transmitters of the floating carrier type : en
  • GB496598A - Improvements in or relating to optical plumbing devices for use in conjunction with surveying instruments : en
  • FR834840A - Thickness regulator for papermaking machine : en fr
  • USD112374S - Design for a candle drip catcher : en
  • PL27423B1 - Compensating antenna system for two-way communication. : en pl
  • SU54631A1 - A device for transmitting rotation from the axis of the end drum of one conveyor to the axis of the adjacent drum, working together with it another conveyor : en ru
  • SU54799A1 - Curd to release the mass from the digester : en ru
  • SU54856A1 - Tiltable cargo truck : en ru
  • SU54887A1 - Carding machine : en ru
  • SU55180A1 - The method of preparation of hides for tanning : en ru
  • SU55420A1 - Device for clamping gal backing : en ru
  • SU55954A1 - Device for feeding electromagnetic vibrators and similar mechanisms : en ru
  • SU56269A1 - Form for making refractory capsules : en ru
  • CH201384A - Packing press for fruit juice extraction. : de en
  • DE668351C - Cage for roller bearings, especially for push rod heads : de en
  • FR834787A - Safety device for vehicle occupants : en fr
  • GB496457A - Improvements in or relating to electric flat or sadirons : en
  • GB496523A - Improvements in and relating to fuel injectors for internal combustion engines : en
  • CH201444A - Inhaler. : en fr
  • SU54461A1 - Method for producing bottom dyes hydrosols : en ru
  • SU56070A1 - Drainage Filter Device : en ru
  • SU55370A1 - Synchronous machine : en ru
  • PL27489B1 - Electric immersion heater. : en pl
  • SU54650A1 - Instrument for measuring wheel couple tires : en ru
  • SU55439A1 - Method for nitriding steel products : en ru
  • CH201229A - Process for the production of fibers from glass or similar fusible material. : de en
  • GB496418A - Improvements in and relating to rolling valves for air-controlled instruments : en
  • DE668228C - Method and device for measuring the length of single or doubled lengths of fabric in laying machines : de en
  • DE668463C - Process for cleaning the mutually movable surfaces of compressed air systems, especially the friction surfaces of the cellular wheels : de en
  • GB496578A - Improvements in or relating to the securing of sash cords in sliding sash windows : en
  • GR7822B - PERFECTIONS IN OR IN RELATION TO DEEP REGULATORY MECHANISMS BY SUBMARINE. : el en
  • SU54505A1 - A device for screening samples of ground feed. : en ru
  • SU54706A1 - The way to protect the surface of glass sheets from damage during faceting : en ru
  • US2138390A - Can aligner : en
  • CH201497A - Bogie, especially on relatively light electrically operated rail vehicles. : de en
  • SU54726A1 - Airplane wing : en ru
  • SU54842A1 - Stamp for cutting out shoe parts, such as insoles : en ru
  • SU56127A1 - A method for concentrating chloroprene latex by evaporation : en ru
  • US2138252A - Container construction : en
  • DE668294C - Pendulum agitator for trough-shaped vessels, especially for raw material troughs of rotary suction cell filters : de en
  • SU56219A1 - A device for transferring timber from shore to ship or back : en ru
  • US2138097A - Copying lenticular photographic films : en
  • US2138116A - Key holder : en
  • US2138704A - Method of preparing a press for printing and printing press : en
  • DE668249C - Contact wire clamp for electric railways : de en
  • CA378056A - Cap loosener for fruit jars : en fr
  • GB496239A - Improvements in wireless direction finding systems : en
  • GB496301A - Improved beer pump : en
  • SU55033A1 - Electric switch : en ru
  • SU54780A1 - Method of two-bath chrome tanning : en ru
  • SU55053A1 - Book Binding Machine : en ru
  • US2138068A - Film operating mechanism for cameras : en
  • DE668395C - Protection device for the respiratory tract against dust, flower pollen and the like. like : de en
  • US2138309A - Identification device for keys : en
  • US2138037A - Earth retainer : en
  • US2138124A - License plate frame : en
  • US2138208A - Duplicating machine : en
  • US2138539A - Combined window operator and lock : en
  • US2138656A - Power unit : en
  • SU55372A1 - Automatic pen : en ru
  • SU55548A1 - The method of obtaining active silicic acid : en ru
  • SU56208A1 - Method for preparing naphthoquinoline : en ru
  • SU54765A1 - Handheld device for the formation of holes in the soil : en ru
  • SU55204A1 - Raw genie camera : en ru
  • SU55259A1 - A method of manufacturing self-locating oxide cathodes for electric gas luminaires : en ru
  • SU55870A1 - Hard section raft : en ru
  • US2138409A - Clinch nut : en
  • US2138431A - Lace fringe and method of manufacturing the same : en
  • US2138670A - Press cage construction : en
  • SU55704A1 - A device for controlling several objects at a distance and signaling their position : en ru
  • AU205938A - Temperature compensating means : en
  • CH201390A - Internal combustion engine. : de en
  • SU54572A1 - Installations for the integrated use of fuel : en ru
  • SU55009A1 - Device for enriching air with oxygen : en ru
  • GB496335A - Process for the production of a glazing substance or enamel that does not attack metals : en
  • DK55516C - Springs for Vehicles. : da en
  • CH201246A - Furniture spring. : de en
  • DE668402C - Process for plating two bodies with different melting points : de en
  • FR49171E - Elastic joint : en fr
  • GB496497A - Improvements in or related to electric furnaces : en
  • SU54394A1 - Electromagnetic Separator : en ru
  • SU54507A1 - Machine for splitting pen : en ru
  • SU54851A1 - The method of purification of water from mechanical impurities : en ru
  • SU55024A1 - Device for starting a single-phase collector engine : en ru
  • SU55171A1 - Device for multistage feedwater heating repeatedly with steam taken from the turbine : en ru
  • SU55202A1 - Method for determining the speed of sound propagation : en ru
  • US2138275A - Apparatus for effecting simultaneous functioning of a plurality of alternating current electromagnets : en
  • USD112360S - Design for a combined manual and au : en
  • FR834704A - Adjustment device for liquid couplings, in particular for controlling charge blowers : en fr
  • FR834803A - Device for generating currents and voltages of varying shape : en fr
  • GB496581A - An improved method of driving tunnels under water or in water-bearing strata : en
  • FR834693A - Improvements to hot water or steam heating boilers : en fr
  • CH201306A - Process for the production of three-dimensional maps lying in one plane by photographic means. : de en
  • SU54672A1 - A device for fixing the patient’s head and a radiography cassette : en ru
  • DE668375C - Monitoring device for the protection of overloadable devices, especially electrical machines, apparatus and lines, against harmful overload : de en
  • SU54367A1 - Pick-up part of the loading machine : en ru
  • SU54371A1 - Phase Shift Angle : en ru
  • SU56133A1 - Rubber hose for high pressure : en ru
  • FR49154E - Optical system for headlights and projectors : en fr
  • FR834686A - Improvements to processes for obtaining, by synthesis, normally liquid hydrocarbons : en fr
  • GB496439A - Improvements in or relating to combination garments : en
  • GB496494A - Improvement in the method of connecting the windings of the electrical rotating converting machines known as 'metadynes' : en
  • GB496278A - Improvements in the propulsion of aircraft : en
  • FR834743A - Method and apparatus for hydrolysis of cellulosic materials and the like : en fr
  • FR834769A - Sound film recording optics : en fr
  • FR834790A - Process for making gases or liquids radioactive, or for increasing their radioactivity : en fr
  • GB496390A - Improvements in or relating to lighting fittings : en
  • SU54356A1 - Valve device for automatic control of the operating mode in the suction and discharge lines of the suction pump : en ru
  • US2138312A - Window construction and method of installing the same : en
  • GB496234A - Process for improving artificial silk fabrics : en
  • GB496378A - Improvements in buckles or fastenings for braces, belts, bands and the like : en
  • FR834812A - Improvements to radio equipment : en fr
  • GB496315A - Improvements in or relating to electric condensers : en
  • CH201244A - Backrest on seating furniture. : de en
  • GB496230A - Improvements in or relating to apparatus for regulating the lubricant feed in compressors : en
  • GB496307A - An improved domestic kettle : en
  • GB496643A - Improvements in electric discharge devices : en
  • US2138000A - Ingress and egress vent valve : en
  • FR834760A - Equipment allowing the exact location of a collision on the road : en fr
  • GB496295A - Improvements in or relating to processes for the manufacture of carbides of the alkali earth metals : en
  • DE668363C - Airplane wing with one or more flaps on the rear wing part : de en
  • SU55361A1 - Ion device with control grid : en ru
  • US2138259A - Heating apparatus : en
  • SU56198A1 - Packaging Material for Perishable Products : en ru
  • SU54441A1 - Rotary motor pump : en ru
  • SU54807A1 - Press for testing building materials : en ru
  • SU54939A1 - Steam electric generator : en ru
  • CH201282A - A method of manufacturing soluble alkali silicates with a molecular ratio of alkali metal oxide to silica not less than 1. : en fr
  • CH201478A - Column of road vehicles. : de en
  • DE668202C - Fuse element for receiving an overcurrent switch held by means of a thread, plug or bayonet device : de en
  • DE668464C - Process for cleaning up waste water : de en
  • FR49156E - : fr
  • GB496610A - Improvements relating to air induction systems in direct fuel injection engines of the compression ignition type : en
  • GB496624A - Improvements in machines for making wired box parts : en
  • CA377989A - Folding camera : en fr
  • CH201419A - Device for the automatic regulation of an electrical variable to a constant setpoint. : de en
  • SU54904A1 - Double drum winch : en ru
  • GB496554A - Improvements in or relating to a positive plate for a storage battery, and method of making same : en
  • DE668436C - Winding-free runner for electrical machines with prism-shaped pole pieces of trapezoidal cross-section consisting of permanent magnet steel : de en
  • CH201290A - Process for the preparation of an anthraquinone dye. : de en
  • SU55478A1 - A device for measuring the flow of fluid in weirs : en ru
  • SU56207A1 - Adaptation to the carburettor internal combustion engine for supplying water to the engine intake system : en ru
  • AU105898B2 - A system for producing amplitude modulated carrier waves : en
  • CH201222A - Chimney cap. : en fr
  • CH201500A - Central heating boiler that can be used as a cooking stove. : de en
  • DE668303C - Process for the production of a stocking on the flat weft knitting machine : de en
  • DE668839C - Ratchet switch mechanism for counters on vehicles with changing direction : de en
  • GB496416A - Improvements relating to ventilating systems : en
  • GB496478A - Improvements in the manufacture of asbestos cement and like products : en
  • US2138048A - Making dry, free-running pigment powders : en
  • US2138557A - Insecticide : en
  • AU494837A - Improvements relating to railway traffic controlling apparatus : en
  • CH201424A - Heat-resistant electrode entry for vacuum discharge apparatus with a metal vacuum vessel, especially for power converters. : de en
  • GR7811B - PRODUCT MANUFACTURING METHOD INCREASING THE PERFORMANCE OF FLUID FUELS IN THE ENGINE. : el en
  • CA377962A - Fur felting method : en fr
  • CH201225A - Drain pipe socket. : de en
  • GB496444A - Improvements in odourless and tasteless resin and method of producing same : en
  • GR7808B - PICTURE (FRAME) OF CURTAINS OPENED BY SHARP ATTRACTION AND METHOD OF MAKING THEM. : el en
  • CH201353A - Casting device with a mold with an opening running in the direction of the height and means for covering the opening which are displaceable with respect to the mold. : de en
  • CH201411A - Process for the production of condenser bushings. : de en
  • CH201329A - Calculating machine with a mechanically switchable slide (ruler). : de en
  • CA378017A - Electric plug : en fr
  • US2138520A - Razor blade sharpening method and means : en
  • US2138692A - Dispenser : en
  • US2138713A - Process of solidifying soil : en
  • CH201496A - Transfer reactor with taps. : de en
  • DE668239C - Device on shearing machines for cutting open floating edge threads of the fabric : de en
  • DE668281C - Device for measuring the amount of liquid flowing into a centrifugal machine : de en
  • FR834765A - Hosiery and its manufacturing process : en fr
  • GB496749A - Improvements in and relating to road vehicle lamps : en
  • US2138173A - Fence making machine : en
  • GB496254A - Improvements in or relating to the cleaning of bottles, jars or the like containers : en
  • AU170438A - Improvements in or relating to combinations ofan electric discharge device and material adapted tobe excited to luminescence bythe discharge inthe device : en
  • DE668426C - Handle attachment for scrubber or the like. : de en
  • GB496252A - Improvements relating to photographic treating solutions : en
  • GB496320A - Method of and apparatus for producing a spray for cleaning wall and similar surfaces : en
  • SU55666A1 - Mechanism for the accumulation of telegraph signals : en ru
  • SU56026A1 - Method for electrical cofilming cased wells : en ru
  • CH201216A - Elevator device for retractable stairs. : de en
  • CH201276A - Process for the concentration of pectin-containing fruit and vegetable juices and equipment for carrying out this process. : de en
  • DE668182C - Tilting mechanism with breakaway segments for valve switching for two-chamber gas meters : de en
  • DE668412C - Type bar typewriter : de en
  • DK55515C - Brake for Vehicles. : da en
  • SU55780A1 - Lid to the Pickering oven retort : en ru
  • SU55785A1 - Forge : en ru
  • DE668277C - Hub fastening of metallic propellers with full wings : de en
  • SU54543A1 - Apparatus for testing the pressing-in of spool bushings : en ru
  • SU55713A1 - Fluorescent wedge pyrometer : en ru
  • SU56273A1 - The method of obtaining resins : en ru
  • US2138519A - Cyanide manufacture : en
  • US2138617A - Electrical conductor : en
  • SU54708A1 - Wood pipe : en ru
  • SU55191A1 - Cultivator for gardens, etc. : en ru
  • SU55606A1 - A device for feeding snow into a drainage well : en ru
  • US2138475A - Machine for assorting articles according to their weight : en
  • CA377929A - Lubricant : en fr
  • SU54970A1 - Device for direct blood transfusion : en ru
  • SU55142A1 - Device for drawing optical glass out of pots : en ru
  • SU55650A1 - Poultry machine : en ru
  • CH201409A - Hand tool with electric motor and two mechanical speed levels for any brushes, polishing discs and the like. : de en
  • CA377990A - Photographic apparatus : en fr
  • CH201438A - Process for the preparation of D4,5-pregnendione. : de en
  • CH201519A - Process for the preparation of a metal-containing trisazo dye. : de en
  • AU404037A - An improved method of and means for illuminating the bumper bars of vehicles : en
  • PL27395B1 - Water heater. : en pl
  • SU55405A1 - Target : en ru
  • US2138245A - Adjustable clamping tool : en
  • CH201334A - Resilient bearing fixing device. : en fr
  • FR834746A - Safety lock or closure : en fr
  • DE668192C - Foundry for the production of round galvanos : de en
  • SU55244A1 - Centrifugal compressor using auxiliary fluid : en ru
  • SU56160A1 - Phase manipulator : en ru
  • US2138287A - Register with preset printing mechanism : en
  • US2138459A - Manufacture of alloys : en
  • US2138625A - Pertused metal sheet : en
  • US2138705A - Means for identifying articles : en
  • DE668278C - Locking device for electromagnetic indicators with swing arm : de en
  • DE668331C - Process for the direct extraction of iron from ores : de en
  • SU54955A1 - Composition to protect the upper side edges of aluminum cathodes of electrolytic baths for the deposition of zinc and cadmium : en ru
  • AU406437A - Improvements in cinematographic projection apparatus : en
  • CH201452A - Type printing telegraph receiver. : de en
  • CA378008A - Hydrogenation catalyst : en fr
  • SU54477A1 - Hydraulic jack with electric motor : en ru
  • SU54808A1 - Spring Fatigue Tester : en ru
  • SU56272A1 - The method of obtaining ** - acetopropyl bromide from varnishes ** - hydroxyethyl acetoacetic acid : en ru
  • SU55374A1 - Electronic time switch : en ru
  • SU55629A1 - Traction (diesel) gas two-stroke engine : en ru
  • SU55720A1 - The method of preparation of anhydrous compositions for lubricating artificial fiber : en ru
  • SU54217A1 - Transformer : en ru
  • SU54966A1 - Device for controlling the speed of asynchronous and synchronous motors using an ion frequency converter : en ru
  • SU56276A1 - The method of preparation of cushioning material, resistant to the action of divinyl and other products of synthetic rubber plants : en ru
  • PL27437B1 - A galvanic cell, particularly an aircraft battery cell, with a ventilator provided with a dehydrator, and a method of making an vent for such a cell. : en pl
  • SU54385A1 - Piston steam machine : en ru
  • SU55590A1 - Frequency multiplier : en ru
  • US2138627A - Printing mechanism : en
  • CH201303A - Cliché foot and process for its manufacture. : de en
  • CH201404A - Fridge. : de en
  • SU54378A1 - Trolley for supplying building material to the work of a bricklayer : en ru
  • SU54471A1 - Apparatus for chemical treatment of water : en ru
  • SU54963A1 - Device for regenerative braking of a group of traction engines : en ru
  • SU55167A1 - A device for determining the density of liquids, such as electrolyte in batteries : en ru
  • SU55216A1 - Device for putting rubber rings on rollers of spinning and similar machines : en ru
  • US2138753A - Mechanism for actuating the control surfaces of aircraft : en
  • FR834684A - Two-stroke internal combustion engine : en fr
  • SU54534A1 - Instrument for exeresis of the thoracic nerve : en ru
  • SU55281A1 - A device for draining fluid from a two-cylinder internal combustion pump : en ru
  • CH201433A - Closed envelope lamp. : de en
  • DE668382C - Device for the remote transmission of measured quantities according to an intensity system, in which a measuring device works together with a compensation device fed from the alternating current network : de en
  • SU56019A1 - Method of printing fonts and stencils : en ru
  • DE668279C - Machines for the production of fittings : de en
  • SU54435A1 - Stamp for the manufacture of parts with oblique cuts : en ru
  • SU54863A1 - A device for measuring frequency characteristics of a ratio of two values : en ru
  • US2138601A - Roller aligner : en
  • CH201387A - Engine comprising at least one group of several cylinders arranged radially with respect to the crankshaft. : en fr
  • CH201514A - Process for the preparation of a solid diazonium salt. : de en
  • PL27409B1 - Manufacturing method of electric contact resistors with a negative thermal coefficient of resistance. : en pl
  • SU55910A1 - Galvanic cell : en ru
  • US2138353A - Razor : en
  • US2138393A - Friction clutch : en
  • AU492137A - Improvements in full circle tyre retreading moulds : en
  • CA377976A - Solvent and oil dewaxing process : en fr
  • CH201369A - Clip. : en fr
  • SU54697A1 - Liquid Fuel Combustion Device : en ru
  • SU55332A1 - Button sewing machine : en ru
  • SU53517A1 - The method of manufacture of electronic tubes : en ru
  • SU55132A1 - The method of applying a silver layer on mica, mainly in the manufacture of mica capacitors : en ru
  • USD112372S - Design fob a bed lamp : en
  • CH201423A - Arrangement for controlling elastic converters. : de en
  • US2138602A - Dyeing of hardened casein : en
  • SU54940A1 - Cold cathode rectifier and grid : en ru
  • SU54954A1 - Double sided ejector boards from the sawmill : en ru
  • CH201271A - Shoe hooks, in particular for ski boots. : de en
  • CH201437A - Electrifier. : de en
  • CA377950A - Polymerized drying oil manufacture : en fr
  • CH201421A - Small machine with separable neutral conductor. : de en
  • SU54530A1 - Device for compressing corrugated pipes in the axial direction : en ru
  • US2138637A - Alloys : en
  • CH201479A - Vehicle braking device. : de en
  • SU54776A1 - Adaptation to an electromagnetic copying milling machine of the Keller type for reverse copying over the product during the manufacture of dies or molds : en ru
  • SU56250A1 - An instrument for controlling the alignment of axes of two openings intersecting at an angle : en ru
  • US2138217A - Electrical heating system : en
  • USD112380S - Design for an ashtray or the like : en
  • SU55312A1 - Tool for removing a drill stuck in the hole : en ru
  • SU55469A1 - Attachment to a drilling machine for milling grooves in wooden bars : en ru
  • US2138035A - Position finding instrument : en
  • US2138607A - Heat transfer apparatus : en
  • GB496553A - Improvements in or relating to toy weapons : en
  • PL27508B1 - A rescue belt for dragging and carrying the injured. : en pl
  • DE668396C - Back carrying device for hunted rabbits : de en
  • DE668449C - Device for monitoring gases for their solid constituent content, in particular smoke development from combustion processes : de en
  • CH201213A - Method for producing a crack-resistant plastered surface. : de en
  • AU105837B2 - Improvements in or relating to modulated carrier wave transmitters of the floating carrier type : en
  • PL27447B1 - Carding machine for processing koton. : en pl
  • SU54772A1 - Instrument for the automatic analysis of liquids : en ru
  • US2138107A - Side register gauge for printing presses : en
  • US2138183A - Process for the treatment of rosins and metal salts produced thereby : en
  • CA377975A - Solvent and oil dewaxing process : en fr
  • CA377986A - Photographic camera : en fr
  • CH201385A - Charging fan for an internal combustion engine. : de en
  • SU54675A1 - Method of cooling the cutting tool : en ru
  • SU55063A1 - Carbon microphone : en ru
  • SU55750A1 - Elevator of the peat-loader : en ru
  • DE668391C - Switch with arc extinguishing by gases or steam : de en
  • BE430521A - Multi-layered, light-sensitive material for control photographic images : en fr
  • SU53838A1 - Traveling wave indicator : en ru
  • SU55253A1 - Device for counting paid signs in the telegram : en ru
  • SU55811A1 - Variable diameter drum for winding paper and similar materials : en ru
  • US2138277A - Apparatus for handling materials : en
  • CH201504A - Process for the preparation of a sulfonic acid chloride. : de en
  • GB496718A - Improvements relating to the catalytic production of hydrocarbons : en
  • PL27499B1 - A method for producing refreshing air and an apparatus for carrying out the method. : en pl
  • US2138397A - Compression roll : en
  • US2138641A - Accounting machine : en
  • USD112371S - Design fob a photographic mount : en
  • USD112373S - Design fob a bottle : en
  • US2138197A - Electric discharge lamp : en
  • US2138209A - Selective tuning system : en
  • SU54693A1 - Electric gas analyzer : en ru
  • SU55801A1 - Hydraulic motor for free flow with two alternately running dryers : en ru
  • US2138040A - Bird band : en
  • US2138572A - Dyeing and printing compositions : en
  • SU54452A1 - Magnetic wedge : en ru
  • SU54991A1 - Continuous chiorator : en ru
  • US2138387A - Flashlight switch : en
  • GB496992A - Improvements in or relating to shaking mechanism for fourdrinier paper-making machines : en
  • SU54365A1 - Way to move buildings : en ru
  • CH201363A - Process for the production of high-gloss hollow bodies from plastic masses. : de en
  • CA378052A - Film controlling means : en fr
  • SU54857A1 - Truck crane for air rail brakes : en ru
  • CH201260A - Process for increasing the wetting and penetration effect of alkaline solutions of at least 10 0 Bé. : de en
  • FR834844A - Portable machine, for cutting by hand flat sheets, in fiber cement, natural slate and so-called mechanical tiles : en fr
  • SU54593A1 - Closed flue screen : en ru
  • SU55028A1 - Device for detecting defects in rails : en ru
  • SU55228A1 - Carousel centrifugal machine for casting : en ru
  • US2138647A - Flower basket bracket for hearses : en
  • PL27375B1 - Diaphragm device for regulating the fuel pressure supplied to the gas nozzles of internal combustion engines. : en pl
  • US2138100A - Speed regulator : en
  • US2138648A - Rotary speed alarm : en
  • US2138614A - Sheathing electric cables : en
  • FR834755A - Process and plant for the production of flour : en fr
  • GB496456A - Means for attaching buttons, press studs, club badges or like articles to fabric or the like : en
  • SU54811A1 - Mixer : en ru
  • GB496657A - Manufacture of acid triphenylmethane dyestuffs : en
  • FR49166E - Extinguishing device of a gate rectifier valve, its applications, and improved gate valve : en fr
  • FR834680A - Device intended to facilitate the descent from a sidewalk onto the roadway : en fr
  • GB496380A - Improvements in or relating to motor cycle front forks : en
  • GB496744A - Improvements in or relating to the manufacture of pulp rovings, yarns and twines : en
  • DE668506C - Device for stirring and mixing liquid and powdery substances : de en
  • GB496425A - Cathode ray oscillator : en
  • DE668468C - Water tube boiler with an upper drum and with one or more lower drums : de en
  • DE665436C - Stove firing : de en
  • GB496360A - Improvements in wringer safety releases : en
  • GB496740A - Improvements in physical culture apparatus : en
  • DE668327C - Turbo transmissions, in particular for driving motor vehicles : de en
  • DE668266C - Breakfast box : de en
  • SU56287A1 - Multi-chamber crucible solid fuel furnace for melting babbitt : en ru
  • SU55517A1 - Method for investigating crystallization processes : en ru
  • SU55845A1 - The method of obtaining sulfur dyes : en ru
  • US2138163A - Steering wheel instrument panel : en
  • US2138603A - Explosive package : en
  • ES144198A1 - Discoloration procedure of black or dark sulfuric acid. : en es
  • GB496296A - Improvements in or relating to pressure reducing valves : en
  • FR834662A - Improved method of pneumatic sorting of fragmented materials, and its means of implementation : en fr
  • CH201503A - Process and device for the production of ammonium nitrate or substances containing ammonium nitrate. : de en
  • GB496579A - Improvements relating to catalysts : en
  • CA378034A - Internal combustion engine : en fr
  • GB496279A - Improvements in and relating to wheels for aircraft : en
  • CH201300A - Package trailer. : de en
  • SU55736A1 - Method for preparing camphor emulsion and other substances for intravenous administration : en ru
  • SU54573A1 - Coke oven : en ru
  • SU55436A1 - V-type internal combustion engine : en ru
  • SU55706A1 - Apparatus for examining grain for impurities and similar purposes. : en ru
  • FR49164E - New drink based on yeasts : en fr
  • FR834776A - Machine for separating the seed from flax : en fr
  • FR49191E - Process for obtaining heavy oils poor in asphalt or not containing it : en fr
  • FR834666A - Openwork ring body and alliance : en fr
  • BE430728A - : en
  • US2138056A - Lamp construction : en
  • US2138093A - Compressor : en
  • US2138491A - Feeding and aligning device : en
  • US2138355A - Apparatus for filling containers under gas : en
  • US2138490A - Rotary internal combustion engine : en
  • US2138531A - Spinner motor : en
  • US2138195A - Fastener : en
  • PL27420B1 - Adjustable choke coil. : en pl
  • SU54467A1 - Machine for calibrating fruits, vegetables, etc. : en ru
  • SU54487A1 - Potato harvesting machine : en ru
  • SU55175A1 - The method of determining the degree of roughness of ground and polished products from optical mirror and other types of glass, metals, etc. : en ru
  • SU55188A1 - Continuous steel casting machine : en ru
  • SU55369A1 - Oscillating loop : en ru
  • SU55932A1 - Sukomnoyka : en ru
  • DE668174C - Toy plane with counter rotating screw surfaces driven by a rubber motor : de en
  • DK55518C - Bullet. : da en
  • GB496576A - Improvements in cutting devices for round trimming the corners of paper, cardboard or other easily cut sheet material : en
  • SU54349A1 - Loading machine : en ru
  • US2138437A - Huller rib : en
  • USD112406S - Design fob a lace : en
  • CH201268A - Method for attaching the shoe last allowance to the insole. : de en
  • CH201364A - Process for the production of pressed bodies from synthetic resin molding compound. : de en
  • SU54979A1 - Timber feed method for sorting : en ru
  • SU55875A1 - Transport gas generator : en ru
  • FR834655A - Improvements to gas turbine heat engines : en fr
  • GB496577A - Improvements in or relating to the manufacture of propeller blades : en
  • DE668173C - Collapsible snowshoe : de en
  • SU54410A1 - The method of obtaining potassium iodide or sodium : en ru
  • SU55476A1 - Gear test device for runout : en ru
  • PL27444B1 - : en pl
  • PL27446B1 - A method of producing alcohols and ketones from olefins. : en pl
  • SU55144A1 - Adaptation to the brake system Matrosov to facilitate vacation : en ru
  • SU56025A1 - Electric carrot method : en ru
  • GB496285A - Automatic coin freed device : en
  • FR49175E - Turbine for gas expansion for the production of low temperatures : en fr
  • GB496440A - Improvements in shoes and method of making the same : en
  • FR834833A - Azo dyes, process for their preparation and applications : en fr
  • GB496330A - Improvements in and relating to machines for stamping articles from metal sheets : en
  • GB496630A - Improvements in or relating to spacing-mechanism for typewriting machines : en
  • US2138079A - Lighting unit mounting : en
  • FR834720A - Device for measuring small electrical capacities by means of alternating current : en fr
  • GB496507A - Improvements in or relating to suction cleaners : en
  • SU54387A1 - Device for balancing rolling stands tipping skips : en ru
  • CH201468A - Conveyor system with automatic central switch point. : de en
  • SU54528A1 - Coal Powder : en ru
  • SU55630A1 - Vertical Hot Water Boiler : en ru
  • US2138182A - Building structure : en
  • US2138608A - Pin curler : en
  • SU54425A1 - The method of hardening rail against fracture : en ru
  • SU55065A1 - Device for measuring stress in buildings : en ru
  • SU54482A1 - Multi-plunger fuel pump for internal combustion engines : en ru
  • SU54890A1 - Double circular saw with circular saws : en ru
  • SU54956A1 - Vacuum suction cell roll, mainly for paperboard machines : en ru
  • PL27483B1 - A method of making soap. : en pl
  • SU55135A1 - Multi-chamber dryer : en ru
  • SU55670A1 - The method of obtaining rosin glue : en ru
  • SU55470A1 - Artillery game : en ru
  • SU55594A1 - Auto generator : en ru
  • SU55724A1 - Device for automatic log rolling : en ru
  • SU55972A1 - Adaptation to the Voith-Schneider type propulsor for changing the angle of attack of the blades : en ru
  • SU56188A1 - Apparatus for printing conventional topographic or other marks on paper : en ru
  • US2138133A - Apparatus and method for producing fire extinguishing foam : en
  • US2138563A - Dental operating unit : en
  • CH201320A - Process for the production of bulletproof armor from fiber materials. : de en
  • GR7826B - CLOSE BY KEY. : el en
  • SU55453A1 - Instrument for determining engine power of self-propelled carts : en ru
  • SU55488A1 - Method for testing the moisture of bread : en ru
  • SU55837A1 - Spring Testing Machine : en ru
  • US2138501A - Washing machine : en
  • US2138015A - Building unit : en
  • US2138138A - Transmitter circuit : en
  • US2138610A - Corded edge article : en
  • CA377951A - Fungoid attack combating process : en fr
  • US2138180A - Ventilator of the louver type : en
  • US2138343A - Feeding mechanism for offset printing machines : en
  • GB496227A - Improvements in or relating to printing telegraph systems : en
  • GB496433A - Process for the production of anti-corrosive pigments : en
  • GB496642A - Stiffening members for aircraft and a process for their manufacture : en
  • AU495337A - Improvements inthe treatment of charges supplied to internal combustion engines : en
  • FR834692A - Ear protectors : en fr
  • FR834823A - Installation for degreasing clothing or the like : en fr
  • GB496329A - Improvements in or relating to polarisation filters : en
  • GB496417A - Improvements in, or relating to, contact member for use in automatic circuit breakers and other electrical switchgear : en
  • GB496451A - Improvements in and relating to corsets : en
  • US2138029A - Baking powder : en
  • US2138624A - Mold for manufacture of brake drums : en
  • SU54749A1 - A lot of Russian oven : en ru
  • SU54892A1 - Wire Mesh Welding Machine : en ru
  • SU55506A1 - A device for automatically turning off the crank hammer through a certain glitch blows : en ru
  • CH201401A - Adjustment device for steam generator. : en fr
  • FR834808A - Process for preparing ferro-calcium gluconate : en fr
  • PL27359B1 - Block beam. : en pl
  • US2138025A - Material for intiating a welding arc : en
  • SU54544A1 - Instrument for checking the position of cranks and counter-cranks of driving wheel pairs of locomotives : en ru
  • DE668232C - Insulating body for pressurized gas switch : de en
  • US2138698A - Crankpin : en
  • SU54971A1 - Air-conditioned bedroom : en ru
  • SU54974A1 - Method of regenerating sulfuric acid from hydrolysates obtained by hydrolysis of cellulose and wood with concentrated sulfuric acid : en ru
  • US2138305A - Sickle bar for reapers and mowers : en
  • DE668368C - Mining fuse with elements for generating the ignition current : de en
  • GB496277A - A process for the treatment of artificial fibres obtained from casein : en
  • PL27460B3 - Piston ring. : en pl
  • SU54831A1 - Cage for keeping fish producers : en ru
  • SU55825A1 - Switch valve : en ru
  • DE668291C - Process for welding a base material with a coating metal with a higher melting point : de en
  • DE668333C - Retractable track : de en
  • SU54351A1 - Hydraulic jack : en ru
  • SU55147A1 - Planting machine for tree saplings, etc. : en ru
  • SU54386A1 - Spiral staircase with moving steps : en ru
  • SU54885A1 - Method of protecting food products from copper transfer into them : en ru
  • SU55983A1 - Forge : en ru
  • GB496284A - Improvements in or relating to sparking plugs : en
  • GB496585A - Improvements in or relating to spinning rollers and methods of manufacturing the same : en
  • SU55098A1 - The method of obtaining the multiple circulation of the evaporated liquid in the turbo boiler : en ru
  • SU55626A1 - Turbine Rotor Axial Shift Differential Relay : en ru
  • SU56153A1 - Device for automatic lifting of cylinders of shearing machines : en ru
  • US2138619A - Freewheel brake hub driven by a motor mounted in the driving wheel : en
  • FR834732A - Improvements in processes and equipment for metal rolling : en fr
  • GB496721A - Process for the removal or conversion of one or more of the constituents of a gaseous mixture : en
  • CH201249A - Pressure cooker. : de en
  • CH201308A - Developers for photographic silver halide emulsion layers. : de en
  • US2138070A - Dam construction : en
  • DE668220C - Friction overhaul clutch : de en
  • FR834657A - Device for recalibrating, defusing and re-priming hunting cartridges : en fr
  • FR834738A - Liquid coupling in which the working liquid is used at the same time to cool the coupling : en fr
  • FR834835A - Improvements to watches and bracelets : en fr
  • FR834836A - Manufacture of welded construction elements : en fr
  • FR834838A - Improvements in color photography : en fr
  • GB496345A - Improvements in or relating to devices for use in detecting the presence of gases and substances in suspension in the atmosphere : en
  • GB496445A - Improvements in tapping screws : en
  • DK55499C - Conaxial Conductor with Airspace Insulation. : da en
  • GB496531A - Improved means for stamping or post-marking letters, packages and the like : en
  • FR49183E - Mechanical fireplace : en fr
  • GB496527A - Improvements in or relating to neckties : en
  • US2138062A - Preparation or treatment of cereal flour : en
  • US2138292A - Armature coil for dynamo-electric machines : en
  • US2138767A - Gas cock : en
  • US2137998A - Driving mechanism : en
  • US2138633A - Hemming attachment for sewing machines : en
  • US2138228A - Electron discharge device : en
  • US2138334A - Washing machine : en
  • FR834749A - perfected blush case : en fr
  • GB496225A - Improvements relating to air locks : en
  • US2138290A - Thickness gauge : en
  • US2138294A - Golf club : en
  • PL27492B1 - Spring device, especially for oscillating shafts. : en pl
  • US2138644A - Piston structure for uniflow steam engines : en
  • DE668486C - Machine for the wet treatment of strands of yarn : de en
  • US2138018A - Hydraulic positive drive pump or motor : en
  • FR49189E - Improvements to continuous calibration devices : en fr
  • GB496260A - Improvements in apparatus for cutting water weed growths : en
  • GB496304A - Improvements in incandescent vapour lamps : en
  • GB496588A - Improved construction of conveyor, especially suitable for use in potato-sorting machines : en
  • DE668231C - Reflector arrangement : de en
  • FR834820A - Improvements in the assembly of twin wheels or twin tires : en fr
  • FR49198E - : fr
  • GB496717A - Improvements in or relating to lubricants : en
  • US2138267A - Trailer hitch : en
  • PL27484B1 - I. 47 f, Sa / 75. .tfjhO Piston ring made of carbon or graphite, mounted in a metal mount. : en pl
  • CA377995A - Ratchet cable release for camera shutters : en fr
  • SU55530A1 - Mokrogazov turbine : en ru
  • DE668365C - Disc brake for motor vehicles : de en
  • DE668255C - Process for the production of desiccants : de en
  • GB496524A - Improvements in boats : en
  • AU108738A - Two-stroke internal combustion engine : en
  • CA377928A - Hydrocarbon oil processing : en fr
  • US2138470A - Molding apparatus : en
  • CA378038A - Engine silencer : en fr
  • CH201340A - Horned watch box bezel. : en fr
  • SU28253A1 - A device for charging a high-voltage battery from primary cells or another source of low voltage : en ru
  • SU54562A1 - Device for magnetizing a ferromagnetic part when tested for defects : en ru
  • SU55373A1 - Racer for drawing curved lines (curved bone) : en ru
  • US2138135A - Pipe joint : en
  • US2138604A - Baler : en
  • AU301737A - Improvements in translucent photoelectric surfaces for discharge tubes andin. nonconductive mosaic bases for said surfaces : en
  • CH201212A - Process for protecting all kinds of substances against attack by animal pests. : de en
  • SU54918A1 - Device for recording energy consumption on electric locomotives and motor cars of direct current : en ru
  • US2138247A - Pie die : en
  • SU55846A1 - Device for supplying superheated water to the cooking chambers : en ru
  • SU54445A1 - Time relay : en ru
  • SU54886A1 - Belt cleaning machine : en ru
  • CA377944A - Furnace for brazing : en fr
  • AU495837A - Improvements in or relating to transmitting antenna systems : en
  • CH201367A - Mechanical razor with rotating blades. : en fr
  • FR834659A - Device for pitting castings and in particular metal pipes : en fr
  • SU54740A1 - The method of pouring liquid metal casting molds : en ru
  • SU55792A1 - Drawing device : en ru
  • US2138666A - Direct current dynamo-electric machine : en
  • SU54509A1 - Brick Making Press : en ru
  • SU54845A1 - Flexible hose making machine : en ru
  • SU55275A1 - Continuous Diffusion Apparatus : en ru
  • SU55532A1 - Method for making abrasive products : en ru
  • US2138211A - Protective coating : en
  • SU54642A1 - Device for measuring AC resistance : en ru
  • SU54792A1 - The machine for rolling in of bottoms and covers of cans, tanks, etc. : en ru
  • SU54803A1 - The method of marking ditches when tracking on already known elements of the layers of minerals : en ru
  • US2138763A - Amino alcohol esters of the alpha substituted acrylic acids : en
  • SU54911A1 - Device for removing curves from izvechey : en ru
  • SU55038A1 - Rotatable chuck with internal cutters for machining to escape the side surfaces of the sleepers : en ru
  • SU55561A1 - Dual loader feed hopper through common mouth : en ru
  • US2138172A - Batching apparatus : en
  • US2138443A - Book : en
  • USD112408S - Design fob a vestee : en
  • PL27497B1 - Motor vehicle. : en pl
  • SU55010A1 - Pump nozzle for internal combustion engines : en ru
  • SU55742A1 - Rescue device for passengers of a sunken submarine : en ru
  • US2138546A - Therapeutic preparation of colloidal sulphur : en
  • US2138727A - Cutting tool : en
  • FR834758A - Adjustable walking speed mechanism for toys : en fr
  • GB496426A - Improvements relating to knuckle couplers for railway and like vehicles : en
  • DE668497C - Circuit for superimposition reception : de en
  • GB496492A - Improvements in and relating to display means : en
  • SU55677A1 - Multiple Cathode Switch : en ru
  • SU55933A1 - Four-stroke internal combustion engine : en ru
  • DE668171C - Bomb-proof shelter : de en
  • DK55520C - Procedure for the manufacture of gypsum evacuation pipes. : da en
  • ES144211A1 - A torpedo that can navigate in the water and in the air with great speed. : en es
  • FR834653A - Braking device : en fr
  • CH201467A - Conveyor belt, especially for bulk goods. : de en
  • CH201521A - Process for the preparation of a metal-containing trisazo dye. : de en
  • SU55547A1 - Nickel plating method : en ru
  • SU54501A1 - High voltage fuse : en ru
  • SU55358A1 - Device for determining the length of endless straps : en ru
  • FR834698A - Warp ailerons and multi-slot high lift : en fr
  • FR834763A - Process for refining textiles : en fr
  • SU55000A1 - Current collector for trackless electric transport : en ru
  • SU54398A1 - Method of tempering hardened steel : en ru
  • SU54583A1 - Machine for scraps peanuts beans from stalks : en ru
  • SU55998A1 - The method of securing the sediment magnetic suspension in the flaw detection products by the method of magnetization : en ru
  • SU54577A1 - Tool for ejecting and pulling out blanks from molds : en ru
  • SU55020A1 - Device to protect the distribution transformer : en ru
  • SU55740A1 - Hydraulic converter for presses : en ru
  • US2138408A - Flush panel mounting for electrical devices : en
  • US2138730A - Revolving display stand : en
  • SU56131A1 - The method of obtaining bases for ice dyeing : en ru
  • USD112411S - Design for a dispensing carton : en
  • DE668458C - Rear reflector arrangement on frame pedals for bicycles : de en
  • PL27424B1 - Connection system for suppressing the carrier wave during breaks in transmission. : en pl
  • PL27369B1 - The method of manufacturing a carbon-zinc bipolar plate for a dry galvanic battery. : en pl
  • SU55764A1 - Planer for planing surfaces : en ru
  • DE668499C - Brake field circuit for amplifying or rectifying vibrations : de en
  • FR834747A - Filtering and dosing device for flasks, in particular for stylographic ink flasks : en fr
  • CH201472A - Vehicle suspension. : de en
  • SU55918A1 - Device for automatic sorting of Kaminsky type resistors : en ru
  • SU56166A1 - The method of processing beet landings before planting : en ru
  • US2138043A - Road and railway car : en
  • SU54516A1 - Crane : en ru
  • SU54817A1 - Liquid filtration rate regulator : en ru
  • SU55482A1 - Electric gig system : en ru
  • US2138076A - Lighting unit mounting : en
  • CH201261A - Dye powder. : de en
  • SU55591A1 - The method of measuring the phase difference : en ru
  • SU55993A1 - Device for controlling the x-ray unit for transmitting products : en ru
  • SU56017A1 - The method of obtaining the mass to replace wax : en ru
  • US2138099A - Lasting machine : en
  • US2138141A - Method and apparatus for testing materials : en
  • SU55226A1 - Power installation for gas locomotive : en ru
  • SU56163A1 - The method of preserving food mixtures of vegetables : en ru
  • SU55783A1 - The method of extraction of dioxybenzene from their aqueous solutions : en ru
  • SU54625A1 - Adaptation to the car to automatically turn off the brakes during lateral slip : en ru
  • SU55062A1 - Device for eliminating parasitic modulation : en ru
  • SU55392A1 - Press for extruding injection molding of rubber mixtures into molds : en ru
  • SU55963A1 - Method of making multilayer rubber parts of the bottom of shoes : en ru
  • US2138073A - Process for concentrating or enriching rubber latex : en
  • US2138108A - Matted fabric and process of producing same : en
  • SU54758A1 - The method of operation of a four-stroke internal combustion engine : en ru
  • SU55293A1 - Device for automatic control of the frequency of the alternator : en ru
  • FR834668A - New clay product likely to give a clay gel, its preparation process and its applications : en fr
  • CH201403A - Tray for making ice in refrigerators. : de en
  • CH201413A - Electrical plug with fuses. : de en
  • FR834788A - Improvement in the control mechanism of shuttle boxes in looms : en fr
  • US2138139A - Locomotive underframe buffer : en
  • DE668319C - Fuse for ignition, especially to lock the armature : de en
  • DE668213C - Device for adjusting the equilibrium position of loads on single-ram lifting platforms : de en
  • DE668383C - Fabric gaiter : de en
  • GB496596A - Improvements in and relating to travelling or like rugs : en
  • GB496635A - Improvements in machines for grinding valve seats : en
  • GB496559A - Process for the manufacture of coloured photographic materials : en
  • GB496560A - Improvements in treatment of rubber : en
  • PL27453B1 - Roller bearing cage. : en pl
  • SU54584A1 - Collection machine year : en ru
  • US2138149A - Fire control apparatus : en
  • CH201495A - Pressurized fluid brake installation. : en fr
  • GB496617A - Improvements in inductance coils : en
  • IE15272L - Remote control over a.c. power lines. : en
  • SU55620A1 - Method of phosphating metals : en ru
  • SU56189A1 - A device for controlling the lids of open-hearth furnaces from the filling machine : en ru
  • SU54459A1 - The method of combustion of flotation pyrites in the atomized state : en ru
  • USD112330S - Design for a shoe : en
  • SU54427A1 - Combined recuperative coking oven : en ru
  • SU55695A1 - The method of separating the shell from the fruit core, for example, stone fruit : en ru
  • SU54495A1 - Device for surface hardening products by induction : en ru
  • SU55888A1 - Screw feeder : en ru
  • US2138357A - Dialysis of aqueous caustic solutions : en
  • SU55891A1 - Wedge for tensioning the frame saw : en ru
  • US2138153A - Gas-purifying device : en
  • DE668439C - Electron tubes : de en
  • FR49199E - Removable support with double supports, for fixed points allowing a double control in the brakes, for bicycles or similar : en fr
  • CH201405A - Single-phase regulating transformer with stepless regulation. : de en
  • SU54773A1 - Barrel lock : en ru
  • US2138786A - Lawn mower construction : en
  • US2138472A - Root chopping and dirt distributing implement : en
  • SU56135A1 - Device for changing weft spools for rotary battery circuit breakers : en ru
  • SU54731A1 - Curved path driving device : en ru
  • US2138125A - Control valve : en
  • US2138770A - Method for treating oil : en
  • CH201348A - Method of manufacturing gears. : de en
  • CH201389A - Internal combustion engine. : en fr
  • CH201461A - Method and apparatus for determining acoustic distortion. : de en
  • GB496639A - Improvements in or relating to apparatus for the electrical precipitation of suspended particles from gases : en
  • AU235338A - Collapsible container : en
  • CA378011A - Clutch mechanism : en fr
  • DE668172C - Device for setting a receiver by two drivers with opposing setting movements : de en
  • SU54418A1 - Gas analyzer : en ru
  • SU54484A1 - Vrubov machine : en ru
  • SU54847A1 - Terminal spindle switch : en ru
  • SU55117A1 - Adjustment to a rolling mill for rolling thin strips into riots as they exit the rolls : en ru
  • SU55351A1 - Planking rod for horizontal storage of rod material : en ru
  • CH201388A - Internal combustion engine with two opposing cylinders, the pistons of which work on the same crank. : de en
  • US2138215A - Process for producing sulphur compounds : en
  • CH201365A - Device for surface treatment or for crushing lubricating substances. : de en
  • SU54453A1 - Stop device for excavator boom : en ru
  • SU54858A1 - Color Type Printing Machine : en ru
  • SU55314A1 - The method of floor drying of peat and similar materials : en ru
  • US2138657A - Crushing and breaking apparatus : en
  • CH201281A - Process for the production of metal phosphates. : de en
  • SU55601A1 - Automatic device for filling with compressed gas cylinders that serve to maintain the buoyancy of receiving vessels : en ru
  • SU55952A1 - Regenerative telegraph translation : en ru
  • US2138780A - Adjustable electric lamp : en
  • USD112335S - Design for a textile fabric or : en
  • US2138808A - Mirror device : en
  • SU54896A1 - Apparatus for continuous pulping : en ru
  • SU55848A1 - Filtering device : en ru
  • SU56196A1 - Apparatus for determining the adhesion of varnishes : en ru
  • US2138474A - Adhesive strip serving apparatus : en
  • US2138534A - Automatically operated gear shifting mechanism : en
  • US2138581A - Primer for high explosives : en
  • AU492337A - Improvements in or relating to cathode ray tubes andthe like : en
  • CH201235A - Dust collector. : de en
  • DE668284C - Process for the production of healds from unset double wire : de en
  • US2138416A - Concealed key receptacle for doors : en
  • US2138616A - Hat form : en
  • CA377909A - Bottle carrier pocket : en fr
  • GB496466A - Improvements in feed devices for clutches for hydraulically operated change speed gears : en
  • GB496738A - The manufacture of pyrimidine compounds : en
  • SU55524A1 - Sunset sealing device for felt and similar machines : en ru
  • US2138229A - Means for portaging guns : en
  • SU54657A1 - Cable cooling method : en ru
  • SU55023A1 - Apparatus for determining the average temperature of ac windings : en ru
  • SU55430A1 - Form of execution of the device for cleaning polishers in conveyor machines for polishing glass : en ru
  • CA377972A - Liquid mixture splitting process and apparatus : en fr
  • GB496389A - Improvements in or relating to methods of shaping leather : en
  • SU54976A1 - Method for the production of niobium, tantalum, zirconium, hafnium and titanium alloys with iron, chromium, manganese, nickel, cobalt and copper : en ru
  • US2138722A - Variable feed mechanism for stokebs : en
  • SU55808A1 - Side grouser : en ru
  • CH201318A - Fuse with clockwork movement, for bullets. : en it
  • CA377937A - Electron discharge device amplifier : en fr
  • CA378012A - Ship flow resistance reducing device : en fr
  • US2138485A - Truck : en
  • US2138776A - Punch mechanism for buttonholetype sewing machines : en
  • US2138504A - Derailer : en
  • DE668384C - Snap fastener : de en
  • FR834694A - Water tap system : en fr
  • PL27421B1 - Device for the distribution of tanks, filling the hoists in the shaft. : en pl
  • SU55707A1 - Electrical measuring instrument : en ru
  • US2138310A - Pressure responsive resistance device : en
  • US2138538A - Destructible drum opener : en
  • US2138583A - Process and catalyst for making olefine oxides : en
  • US2138612A - Refrigerating apparatus : en
  • SU55390A1 - The method of separation of ammonia and hydrogen sulfide from coke oven gas : en ru
  • US2138075A - Lighting unit mounting : en
  • US2138809A - Acylated condensation products and method of making them : en
  • SU54561A1 - Thermal relay : en ru
  • SU55278A1 - Method for making blueprint paper : en ru
  • SU55569A1 - Hydraulic Spring Rack : en ru
  • SU55727A1 - Gas generator : en ru
  • US2138193A - Esters of pine wood pitch and method of producing : en
  • PL27515B1 - A method for transforming cellulosic sulphite waste liquor into a highly viscous or solid form. : en pl
  • SU54761A1 - Glass melting furnace with water cooling : en ru
  • SU55046A1 - Device for detecting defects in articles made of magnetic material : en ru
  • SU55122A1 - Pedal spur pusher on assembled back of galoshes : en ru
  • SU55738A1 - Portable mechanical guidance for drive channels, etc. : en ru
  • US2138052A - Liquid treating apparatus : en
  • US2138344A - System for measuring alternating current quantities : en
  • US2138364A - Carton : en
  • SU54503A1 - Feeder for pyrite furnaces : en ru
  • SU56216A1 - Fish pouring device : en ru
  • FR834806A - Feeding improvements to grate stoves : en fr
  • GB496409A - Improvements in or relating to auxiliary-air admission devices for internal combustion engines : en
  • SU54902A1 - A device for sewing shoe blanks, etc. : en ru
  • US2138421A - Distant electric control system : en
  • USD112402S - Design tor trousers : en
  • GB496533A - Improvements relating to the manufacture of stockings and underwear from knitted fabric : en
  • DE668330C - Spatula device for ice cream machines : de en
  • GB496645A - Improvements in or relating to the production of textile "ply" yarns or threads : en
  • FR834740A - Joint between glass and metal, in particular for lamps with metal walls : en fr
  • SU55013A1 - Electric heater : en ru
  • US2138778A - Cellulose esters of organic sulphonic acids and preparation thereof : en
  • US2138036A - Compressional wave sender or receiver : en
  • US2138745A - Comfort : en
  • SU54662A1 - Diaphragm piston : en ru
  • SU54663A1 - Tool for caulking lead in the seams of metro tubing : en ru
  • SU54729A1 - Harmonic analyzer : en ru
  • SU54873A1 - Instrument for determining the total width of late wood in a number of annual rings : en ru
  • SU55097A1 - Device for automatically turning off lines in a typewriter : en ru
  • DE668434C - Heavy-duty electrical resistance immediately flushed by a flowing coolant : de en
  • SU55164A1 - Device for automatic titration of liquids : en ru
  • SU55300A1 - Swiss type switchboard : en ru
  • US2138663A - Shingle and assembly of the same : en
  • SU54929A1 - A method of enhancing a blue image obtained by toning silver photographic images with an iron turn : en ru
  • SU55067A1 - Airspeed indicator : en ru
  • SU55116A1 - Portable Drilling Machine : en ru
  • AU353037A - Method of producing special colour tones on embossed foils : en
  • FR834690A - Loop urethral catheter for urethral stone removal : en fr
  • GB496627A - Hoisting device, particularly for ship's derricks : en
  • GR7825B - ILLUMINATED SIGNS. : el en
  • CA377939A - Barbituric acid derivative : en fr
  • AU105908B2 - Improvement insetting shutter leaf rebound latch : en
  • CH201242A - Sofa convertible into a bed. : en fr
  • CH201312A - Ski binding. : de en
  • DE668484C - Hollow pile for sheet pile walls : de en
  • SU54542A1 - Automatic tool feeding tool : en ru
  • SU54824A1 - Device for surfacing flange tires of car wheels : en ru
  • SU54871A1 - Automatic plotter aircraft path : en ru
  • SU55324A1 - Transport gas generator : en ru
  • SU55368A1 - Instrument for automatic recording of curved track sections : en ru
  • SU56027A1 - Device for synchronizing the rotation of multi-phase collector engines Schrage type : en ru
  • SU56213A1 - The method of obtaining anhydrous sodium sulfate : en ru
  • US2138695A - Drop bottom car : en
  • PL27414B1 - A method of producing road asphalt. : en pl
  • US2138121A - Ingot mold : en
  • CH201435A - Portable luminous device. : en fr
  • CH201314A - Small caliber projectile. : en fr
  • SU54548A1 - Stroboscope for the study of vocal apparatus : en ru
  • SU55339A1 - The machine for mt thermofol : en ru
  • SU55781A1 - Machine for the redemption of pencils in paint : en ru
  • SU56257A1 - A device for determining the stiffness of sheet materials, such as paper, leather, cloth, etc. : en ru
  • CH201524A - Process for the preparation of a metal-containing trisazo dye. : de en
  • SU54597A1 - Travel pattern : en ru
  • SU54827A1 - The method of obtaining zinc coating by electroplating : en ru
  • SU56260A1 - The method of obtaining dry therapeutic sera : en ru
  • US2138482A - Accounting machine : en
  • US2138736A - Filter pad : en
  • SU55127A1 - Contact galvanometer : en ru
  • SU55424A1 - Device for feeding the cathode generator filament circuit : en ru
  • CA377973A - Oil dewaxing process : en fr
  • CH201272A - Shoe tree. : en fr
  • SU54600A1 - Mold for galoshes : en ru
  • SU55542A1 - Method for making abrasive products : en ru
  • SU55697A1 - Device for regulating the power of steam boilers : en ru
  • AU124838A - Improvements in baking tins : en
  • SU55149A1 - Device for cutting and stacking bag and similar fabrics : en ru
  • US2138142A - Pressure adjusting device : en
  • PL27466B1 - The method of filling the bulbs or discharge lamps with a mixture of gases and a device for applying this method. : en pl
  • SU54497A1 - Automatic brake for gramophone : en ru
  • SU54806A1 - Absorption vessel for gas analyzer : en ru
  • SU55150A1 - Method of making glass adhesive : en ru
  • US2138012A - Quill brush holder : en
  • US2138394A - Apparatus for manufacturing rayon : en
  • US2138591A - Carburetor : en
  • CA377992A - Camera lens hood : en fr
  • CH201232A - Heating appliance. : en fr
  • SU54476A1 - Safety device against pulling out of the track crutches : en ru
  • SU55022A1 - Automatic brake to gramophone : en ru
  • SU55295A1 - Polishing device for cleaning glass polishing machines : en ru
  • SU55728A1 - A device for cutting and stripping pipes for welding : en ru
  • SU55874A1 - Valve for pneumatic chambers : en ru
  • SU55166A1 - Device for single-phase induction synchronous angle transmission : en ru
  • SU56258A1 - Photoelectric relay : en ru
  • US2138801A - Centrifugal switch : en
  • SU54440A1 - Apparatus for separating cooling water from steam : en ru
  • SU55034A1 - Adaptation to motorcycles to increase their patency : en ru
  • US2138126A - Method of and apparatus for drawing wire : en
  • SU55037A1 - Support for fastening with automatic riveting : en ru
  • SU55872A1 - Monometer : en ru
  • US2138203A - Food chopper : en
  • GB496437A - Improvements in and relating to evaporators for refrigerating plant : en
  • GB496742A - Improvements in and relating to switches : en
  • PL27481B1 - Multi-arm grapple. : en pl
  • SU54630A1 - Tool for reciprocating axial movement of the spindle with grinding wheel : en ru
  • SU54859A1 - A device for pulling films in a copier : en ru
  • SU56004A1 - Tower clock : en ru
  • SU54359A1 - Mining harvester : en ru
  • SU56030A1 - Device for reversing a direct current electric motor supplied from a rectifier with control grids : en ru
  • US2138159A - Frangible bolt-holding construction : en
  • SU54891A1 - Apparatus for making metallic powder powders : en ru
  • SU55662A1 - Method of forming fixed loops : en ru
  • US2138331A - Ratchet wrench : en
  • AU105850B2 - Adjustable chair for sitting and reclining purposes : en
  • SU56231A1 - Method of dyeing fur with black aniline : en ru
  • DE668293C - Two-sided clothespins made of wood : de en
  • SU56176A1 - Method for improving the structure of welded joints : en ru
  • US2138420A - Electrical overhead cable : en
  • US2138513A - Shock absorber : en
  • US2138566A - Process for removing copper compounds from copper-sweetened hydrocarbon oil : en
  • USD112358S - Design for a display box : en
  • AU105846B2 - Improvements in or relating to combinations ofan electric discharge device and material adapted tobe excited to luminescence bythe discharge inthe device : en
  • PL27490B1 - Differential gear for oscillating driveshafts. : en pl
  • PL27455B1 - Method for dehydrogenation of heterocyclic bases. : en pl
  • SU54515A1 - The way to cheek trees : en ru
  • SU55309A1 - A method of manufacturing a flux for forging welding : en ru
  • SU55448A1 - A device for grinding the contour of the teeth of the team shaving rail : en ru
  • US2138249A - Process of producing carbon black from hydrocarbon gases : en
  • US2138681A - Magneto generator : en
  • DE668248C - Rail contact with electrical contact delay : de en
  • SU54607A1 - Kra Machinist : en ru
  • SU54874A1 - Adaptation to turning lathe for tapering : en ru
  • SU55285A1 - Forzatz gluing machine : en ru
  • SU55881A1 - Cooktop : en ru
  • US2138101A - Packaging machine : en
  • SU55250A1 - Press for molding bricks, tiles and similar products : en ru
  • US2138448A - Directional landing beam transmitter : en
  • SU55056A1 - Copier for control samples of movie copies : en ru
  • SU55986A1 - A method of making artificial leather : en ru
  • SU54493A1 - Cuvette holder : en ru
  • SU54604A1 - Package device : en ru
  • SU56151A1 - A device for trapping pulp from diffusion juice using a mesh filter cylinder : en ru
  • USD112387S - Design for a bottle : en
  • SU54924A1 - The method of determining the hardness of materials : en ru
  • AU105865B2 - Temperature compensating means : en
  • SU56143A1 - Machine for folding skeins of embroidery paper : en ru
  • GB496724A - Improvements in lift valves : en
  • SU56271A1 - The method of producing azo dye : en ru
  • CH201264A - Washing machine. : de en
  • SU55173A1 - Briquetting method for metal shavings : en ru
  • US2138175A - Resilient mounting : en
  • US2138276A - Lifting device : en
  • CH201287A - Process for the preparation of an acidic azo dye. : de en
  • SU54426A1 - Device for signaling the speed of movement : en ru
  • SU54951A1 - Agglomerative machine type Dwight-Lloyd : en ru
  • SU55967A1 - The method of nitration of alpha-sulfonic naphthalene : en ru
  • SU56215A1 - Method of making plastics : en ru
  • CH201307A - Process for making a film suitable for practicing the additive color projection process. : de en
  • CH201357A - Welding wire for arc welding. : de en
  • AU495037A - Washing machines : en
  • SU55258A1 - A device for sorting cotton fiber by length : en ru
  • SU55770A1 - Piling machine : en ru
  • SU55973A1 - Rubber milling device : en ru
  • US2138260A - Apparatus for preparing meat products : en
  • US2138340A - Railroad trackage : en
  • US2138367A - Toy : en
  • PL27434B1 - Rotary selector for automatic and semi-automatic telephone exchanges, driven by a pedal via an electromagnetic clutch and having at least two brushes mechanically connected to the anchor of the clutch electromagnet so that when the selector is rotated, they do not touch the cutouts. : en pl
  • SU54513A1 - Anvil : en ru
  • SU54754A1 - Paint sprayer : en ru
  • SU55174A1 - Method for determining dielectric surface roughness : en ru
  • US2138672A - Method for pulverizing cemented carbides : en
  • SU55086A1 - Machine for centrifugal casting sleeves sleeves and other bodies of rotation : en ru
  • US2138632A - High speed beater : en
  • SU54490A1 - Device for automatically indicating stops, etc. in cars of rolling stock : en ru
  • US2138768A - Refrigeration control system : en
  • DE668367C - Anchor for searching underwater cables : de en
  • PL27385B1 - A method of producing blue-green to green phthalocyanine dyes. : en pl
  • GB496292A - Improvements in the manufacture of hydrocarbons from carbon monoxide and hydrogen : en
  • GB496655A - Improvements in or relating to mechanical integrating mechanisms : en
  • DE668453C - Air filter : de en
  • ES144182A1 - Means for the dehydration of organic liquids by azeotropic distillation. : en es
  • FR834672A - Improvements to the intermittent and automatic flow of various materials : en fr
  • FR834777A - Internal combustion injection machine : en fr
  • GB496658A - Process for the manufacture of fluoro-sulphonic acid : en
  • GB496723A - Improved apparatus for drying and like purposes : en
  • GB496229A - Monoazo dyestuffs : en
  • CA377948A - Ore reducing machine : en fr
  • SU54362A1 - Adaptation to debarking machines equipped with a disk chuck for changing the angle of inclination of the axis of the drive rollers to the balance axis with the change of the diameter of the latter : en ru
  • SU55367A1 - Meteorograph : en ru
  • SU55826A1 - Sowing machine : en ru
  • SU55187A1 - Overhead conveyor : en ru
  • SU55607A1 - Door lock : en ru
  • SU56180A1 - AC motor control method : en ru
  • US2138318A - Can opening device : en
  • DE668481C - Regulation of the thrust of propellers : de en
  • SU54745A1 - Embossing for compaction of lead rods : en ru
  • SU54752A1 - Instrument for recording the speed of a slip belt, rope or the like relative to the pulley surface : en ru
  • SU54895A1 - Three-shaft paper machine press device : en ru
  • SU55266A1 - Device for cooling electric cars : en ru
  • US2138481A - Man's undergarment : en
  • SU54993A1 - The method of processing ferro-alloys used in the manufacture of coatings for welding electrodes : en ru
  • SU55100A1 - Mercury drip electrode : en ru
  • SU55362A1 - Method rolls shoes boots : en ru
  • SU55388A1 - Cotton Ginning Device : en ru
  • SU55557A1 - The method of obtaining insoluble azo dyes on the fiber : en ru
  • CH201243A - Chair convertible into a staircase. : de en
  • CH201292A - Device for opening up or refining liquid or pulpy fat or. oily masses. : de en
  • PL27416B1 - A method for producing coke or semi-coke from various types of fuel. : en pl
  • PL27488B1 - The drive of the motor vehicle and the location of its parts. : en pl
  • SU55234A1 - Device for increasing the coupling weight of a locomotive : en ru
  • SU55788A1 - A device for uprooting stumps, bushes, stones, etc. : en ru
  • SU54437A1 - Device for supplying bulk toxic substances to animal burrows : en ru
  • SU54518A1 - The method of producing glue : en ru
  • SU54875A1 - The method of manufacturing plastics : en ru
  • US2138707A - Hygrometer : en
  • SU55217A1 - Device for casting metal balls and other products : en ru
  • SU55685A1 - Milling machine : en ru
  • SU54907A1 - Method of making carborundum heaters : en ru
  • SU55398A1 - Device for adjusting the frequency response in the audio frequency domain : en ru
  • US2138423A - Bowling alley : en
  • US2138160A - Automotive electrical system : en
  • US2138679A - Fifth wheel : en
  • US2138754A - Arc welder : en
  • SU55597A1 - Non-directional antenna : en ru
  • SU55818A1 - Method for imparting uniform optical density to bar patterns on a chromium colloid : en ru
  • SU56126A1 - Method for stabilizing chloroprene rubber : en ru
  • PL27365B1 - Retractable landing gear for airplanes. : en pl
  • SU54647A1 - Device for determining the depth of freezing of soils and the presence of permafrost : en ru
  • SU54793A1 - The method of combined chrome tanning leather : en ru
  • SU55096A1 - Method for continuous extraction of materials from low-melting slags and other wastes : en ru
  • US2138560A - Pie plate handling method and apparatus : en
  • USD112346S - Design for a tire : en
  • DE668379C - Hydraulic fluid drive for sledges, especially for swivel arms : de en
  • DE668403C - Advertising box vehicle to pretend driving without a guide : de en
  • DK55517C - Excavation cutting machine. : da en
  • GB496613A - Improvements in or relating to the production of etched aluminium surfaces : en
  • DE668309C - Process for the production of pipe strings under the earth's surface : de en
  • FR834667A - Carburetor : en fr
  • SU55615A1 - The method of regeneration of waste vanadium contact mass : en ru
  • SU55508A1 - Plate Drilling Machine : en ru
  • SU55841A1 - Device for continuous sublimation of camphor : en ru
  • SU55907A1 - Zholob to separate the coarse suspension from the thin : en ru
  • CA377943A - Rubber composition : en fr
  • SU54747A1 - Combined stove for single and multi-storey buildings : en ru
  • SU55001A1 - Thread cutting machine : en ru
  • SU55409A1 - Method for determining the period of natural oscillations of shafts : en ru
  • SU55496A1 - Speed relay : en ru
  • AU105887B2 - Method of and apparatus for building tires : en
  • FR834822A - Process for applying heliogravure to metal in an indirect manner : en fr
  • GB496431A - Improvements relating to the removal of carbonic acid from gas by washing : en
  • GB496514A - Improved means for adjusting the length of golf club shafts : en
  • GB496833A - Improvements in and connected with electric cooking apparatus : en
  • SU55499A1 - Wind engine with an adjustable conical friction gear to the driven shaft and with a tail rudder relative to the impeller : en ru
  • SU56020A1 - Device for determining the number of incoming radio waves : en ru
  • AU187538A - Files and method of making same : en
  • SU56011A1 - An apparatus for automatically controlling and adjusting the composition of a gas, its dust content, its degree of ionization, etc. : en ru
  • SU55030A1 - Device for dispensing or dispensing certain quantities of electrical energy : en ru
  • SU54840A1 - Machine for cutting blocks of synthetic rubber : en ru
  • SU55749A1 - Hydraulic motor : en ru
  • SU56041A1 - A device for unloading logs from water : en ru
  • PL27441B3 - Impact fuse with long-term protection. : en pl
  • SU54995A1 - Foldable container : en ru
  • SU55830A1 - Aggregate for electrowinning phosphorus and obtaining phosphoric anhydride : en ru
  • US2138757A - Purification of cellulose ethers : en
  • US2138256A - Filtering funnel : en
  • SU55176A1 - Spring Shot Tester : en ru
  • SU55588A1 - A device for roasting food on a spit (brazier) : en ru
  • US2138131A - Cylinder head and combustion chamber for internal combustion engines : en
  • GB496535A - Improvements in or relating to carriage motion arresting mechanism for typewriting or like keyboard operated machines : en
  • GB515171A - Manufacture of optically active menthones and menthols : en
  • DE668472C - Low pressure arc discharge tubes and procedures for their operations : de en
  • CH201251A - Device intended to prevent the bursting under the effect of freezing of a container containing a liquid. : en fr
  • CH201510A - Process for the preparation of a quaternary aminobenzylacylamine. : de en
  • CA377977A - Solvent and oil dewaxing process : en fr
  • CH201331A - Binder for phonograph records. : en fr
  • SU54671A1 - Horizontal sump for water : en ru
  • SU55638A1 - The method of obtaining basic refractories : en ru
  • US2138798A - Meat mixing machine : en
  • SU54555A1 - Method for determination of hydromass concentration : en ru
  • SU55892A1 - Device for determining friction forces in the steering mechanism of a car : en ru
  • US2138196A - Brake shoe key : en
  • CH201457A - Single-tube circuit for generating or receiving meter and decimeter waves, in which a resonant circuit inductance lies between two electrodes excited in phase opposition. : de en
  • SU54354A1 - Bourdon Spring Elasticity Tester : en ru
  • SU54568A1 - Nutrition method of electronic multiplier : en ru
  • SU56010A1 - Calendaring machine : en ru
  • US2138315A - Pulsating jig : en
  • SU55435A1 - The method of obtaining frequency modulation : en ru
  • SU55455A1 - AC Power Transmission System : en ru
  • SU55471A1 - Machine for the extraction of blade pavers from solid wood : en ru
  • SU55154A1 - The method of exploration of oil and gas fields : en ru
  • SU55560A1 - Bread cutting machine : en ru
  • US2138166A - Solvent refining of petroleum oils : en
  • SU55403A1 - Apparatus for smoothly changing and counting press pressure in wet presses of papermaking and similar machines. : en ru
  • US2138661A - Method of making dynamo-electric machines : en
  • SU54475A1 - Solomotr with dl combines and similar machines : en ru
  • SU54701A1 - Mass pulping device for printing rolls : en ru
  • SU55546A1 - Mandrel for turning hollow bodies : en ru
  • SU55798A1 - Piston Meter : en ru
  • US2138106A - Press-slide with gag-connection : en
  • USD112401S - Design fob a fountain pen or similar : en
  • SU54560A1 - Insulation Wire Machine : en ru
  • SU55208A1 - Stencil spraying machine for painting dishes : en ru
  • SU55431A1 - Pneumatic performance controller for fuel pumps for tractor diesel engines : en ru
  • SU55503A1 - The method of processing screws by the method of running on the machine type Pfauter : en ru
  • AU180338A - Adjustable chair for sitting and reclining purposes : en
  • PL27494B1 - A method of treating carbon materials with hydrogenation gases in a continuous process. : en pl
  • US2138360A - Basket display : en
  • US2138760A - Sewing machine : en
  • CH201328A - Cooling device on a multi-stage diffusion pump. : de en
  • SU54481A1 - Method for determining pitch of propellers : en ru
  • SU54496A1 - Seismograph : en ru
  • US2138286A - Metal toning and treating capsule : en
  • US2138371A - Closure : en
  • CA377927A - Closure cap : en fr
  • AU500937A - Improvements in and connected with hose fittings : en
  • SU54819A1 - Automatic scales with a rotating drum for weighing liquid bodies : en ru
  • SU55035A1 - The method of increasing the mechanical strength of incandescent bodies made of brittle material in the manufacture of incandescent electric lamps : en ru
  • SU55073A1 - A device for crushing and drying in suspension fuel : en ru
  • US2138322A - Smoking pipe : en
  • SU55209A1 - Locomotive : en ru
  • AU49838A - Improvements in mountain cableways : en
  • CA377958A - Projectile fuse mechanism : en fr
  • SU54661A1 - Brick masonry machine : en ru
  • SU54711A1 - Squirrel stretcher and similar skins : en ru
  • SU54913A1 - Synchronous mechanical rectifier : en ru
  • SU55241A1 - Distribution mechanism for steam or pneumatic scraper : en ru
  • US2138202A - Suitcase : en
  • SU55203A1 - Voltage Transformer : en ru
  • SU55571A1 - A method for making fly paper : en ru
  • DE668288C - Work lamp for dentists or doctors : de en
  • AU105884B2 - Capsule stoppers for bottles : en
  • AU163038A - New synthetic resinous materials : en
  • CH201373A - Method of manufacturing a two-piece safety nut and nut obtained by this method. : en fr
  • FR834733A - Nail extractor device : en fr
  • DK55501C - Bykeldynamo. : da en
  • DE668269C - Internal combustion engine : de en
  • SU54943A1 - Light advertising device : en ru
  • CH201241A - Movable bed with guiding device. : en fr
  • DE668215C - Piston carburetor with hollow piston : de en
  • CH201483A - Sliding roof on vehicles. : de en
  • GB496722A - Improvements in and relating to sealing machines for bottles and like containers : en
  • AU175138A - Improvements in or relating tothe cartridging of gelatinous and semi-gelatinous blasting explosives : en
  • AU105906B2 - Improvement inbox element multiplier : en
  • SU55184A1 - Peat-harvesting machine : en ru
  • AU117138A - Improvements in and relating to frames of moulded material for automobile bodies : en
  • GB496371A - An arrangement for intensifying the recoil in automatic guns : en
  • CH201262A - Machine for finishing a fabric. : en fr
  • SU54933A1 - Rowing device : en ru
  • SU56253A1 - Fish Skin Shooting Machine : en ru
  • GB496572A - Improvements in or relating to power-operated garment presses : en
  • AU105851B2 - Files and method of making same : en
  • CH201327A - Electrical apparatus based on induction, especially voltage converters. : de en
  • CH201486A - Elastic hollow tires, in particular for small vehicles. : de en
  • SU54358A1 - Mooring spring shock absorber : en ru
  • SU54547A1 - Installation for drying drugs in a spray state : en ru
  • SU54751A1 - Pneumatic vacuum gauge : en ru
  • SU55006A1 - A device for transporting and separating the molded tile from the mold : en ru
  • SU55425A1 - Method for automatic voltage regulation in a three-phase circuit : en ru
  • DE668409C - Fixing point for the aiming of a weapon, e.g. of a gun, at night shooting : de en
  • DE668508C - Protective device on woodworking machines : de en
  • FR834770A - Electric cathode-ray lamp the size of miniature lamps : en fr
  • GR7815B - MOTOR VEHICLE WITH MAGNETIC IGNITION TO RESULT THE DISORDERS CAUSED IN THE RADIO STATIONS FROM SPINTERS. : el en
  • SU54727A1 - Classifier for abrasive or other materials : en ru
  • SU55328A1 - Tool for riveting the brake pad with a friction lining : en ru
  • SU55395A1 - The method of obtaining likes : en ru
  • US2138044A - Hood catch and bracket therefor : en
  • USD112370S - Design fob an automobile exhaust : en
  • CH201494A - Bodywork of railway cars or other vehicles. : en fr
  • AU105868B2 - Improvements in or relating to apparatus for making strip wound magnetic cores : en
  • PL27430B1 - Dehydrator. : en pl
  • SU55185A1 - Handle to the vibrator : en ru
  • PL27514B1 - Device for collecting, storing and transfusing blood. : en pl
  • SU54818A1 - The method of welding glass flasks with hollow metal electrodes : en ru
  • SU55937A1 - Chain for Oplotnik : en ru
  • US2138449A - Railway truck structure : en
  • USD112341S - Design fob a coin slide guard : en
  • AU105880B2 - Improvements in or relating to circuits for operating high-pressure mercury vapour lamps : en
  • SU54388A1 - Tool for making corrective rulers to precision machines : en ru
  • SU55007A1 - Connector for concentric high-frequency communication cable : en ru
  • SU56068A1 - The method of obtaining agar-agar from algae : en ru
  • CA377965A - Pothead : en fr
  • DE668342C - Permanent hair waving device : de en
  • SU55087A1 - Saw at tractor tractor for felling : en ru
  • SU55265A1 - Device for synchronous angle transmission : en ru
  • US2138352A - Airplane wing structure : en
  • US2138577A - Electro-optical transmission : en
  • US2138618A - Internal combustion engine for motor cars : en
  • USRE20933E - Apparatus and process for condition : en
  • DE668219C - Self-closing shut-off device with counter pressure chamber and auxiliary valve : de en
  • DE668306C - Mobile lifting device for motor vehicles : de en
  • US2138638A - Alloys : en
  • SU54628A1 - The method of cleaning the cracking gasoline : en ru
  • CA378031A - Granular material measuring apparatus : en fr
  • GB496641A - Improvements in and relating to time delay relays : en
  • FR834789A - Machine for printing fabrics : en fr
  • GB496582A - Improvements in deposit blow off valves : en
  • USD112354S - Design fob a piano case : en
  • SU54511A1 - Suspension gas generator from fine-grained fuel : en ru
  • SU54524A1 - The machine for weaving panels of willow ribbons : en ru
  • US2138559A - Diazo compounds and process of making same : en
  • USRE20929E - Lens and method of making same : en
  • GB496366A - Improvements relating to direction indicators, particularly for road vehicles : en
  • FR834723A - Waterproof and conductive sole for shoes : en fr
  • GB496411A - Improvements in and relating to automatic electric regulators : en
  • GB496625A - Improvements in and relating to electric lamp holders : en
  • SU54685A1 - A device for determining the hardness of thin films, plates, and the like. : en ru
  • SU55422A1 - Cementing Furnace Liquid Hydrocarbons : en ru
  • SU56267A1 - A device for connecting heating devices to central heating systems : en ru
  • SU54703A1 - Ice splitting machine from pavement : en ru
  • SU55573A1 - Method for increasing the washing capacity of mercerization liquors : en ru
  • SU55608A1 - Air distributor : en ru
  • US2138278A - Method of recovering heat and chemicals from waste liquors : en
  • SU55231A1 - Carburetor for internal combustion engines : en ru
  • SU55741A1 - The method of sharpening a circle circle cutters with plates of hard alloys : en ru
  • SU56283A1 - Device for automatic control of single-stroke fans of a boiler unit : en ru
  • AU105875B2 - Apparatus for laying paper mulch : en
  • GB496546A - Improvements in or relating to oil seals for rotating parts such as shafts, housings and the like, and method of manufacturing same : en
  • AU105838B2 - Improvements in or relating to transmitting antenna systems : en
  • USD112362S - Street dress : en
  • CH201291A - Process for the preparation of dyes of the phthalocyanine series. : de en
  • CH201539A - Spring-loaded support device between the support frame and the axle sleeve of a rail vehicle. : de en
  • FR834843A - Convenient and durable electric light fixture : en fr
  • GB496513A - Improvements in or relating to electric discharge vessels : en
  • US2138351A - Internal combustion engine : en
  • FR834701A - Torsion metal frames : en fr
  • GB496471A - Improvements in and relating to water tube steam boilers : en
  • FR49168E - Improvements to injection pumps : en fr
  • GB496530A - Improvements in record carriers for mechanical sound recording : en
  • GB496611A - Basic derivatives of fatty acids and a process for their manufacture : en
  • FR834744A - Control device for pneumatic station : en fr
  • CH201396A - Device for sealing cylinder liners of piston machines inserted in a cooling chamber. : de en
  • US2138600A - Outboard motor bracket : en
  • FR834709A - Gas protection mask : en fr
  • FR834805A - Process and apparatus for the production of covered yarns : en fr
  • PL27383B1 - Labyrinth seal for car neck bearings that run on rails. : en pl
  • SU55044A1 - Variable capacitor : en ru
  • SU55162A1 - Instrument for tracing cycloidal curves (epicycloid, hypocycloid and orthocycloid) : en ru
  • SU54413A1 - Conveyor device : en ru
  • SU54463A1 - The lock for flat fangovy in hall cars : en ru
  • SU56104A1 - The method of cooling the locomotive boilers : en ru
  • FR834702A - Speed change for cycles : en fr
  • GB496462A - Improvements in or relating to biscuit embossers or moulds : en
  • SU54698A1 - Liquid fuel pre-gasification nozzle : en ru
  • US2138508A - Bow construction for an automobile roof : en
  • DE668427C - Device for locking and releasing a three-stage aperture in the intermediate layer : de en
  • DE668349C - Device for the production of pipe strings from concrete or similar building materials under the earth's surface : de en
  • DK55502C - Adjustable support stand for electric lamp luminaires. : da en
  • GB496228A - Improvements in or relating to means for automatically recording the speed of vehicles : en
  • GB496250A - Improvements in and relating to supercharged internal combustion engines : en
  • SU56195A1 - A method of making sound films : en ru
  • US2138773A - Processes for refining hydrocarbon oils by means of benzol derivatives : en
  • GB496878A - Improvements in or relating to shaking mechanism for fourdrinier paper-making machines : en
  • DE668286C - Electrode system for vacuum discharge tubes : de en
  • GB496716A - Improvements in and relating to the coating with metal of glass tubes or bulbs for use in electric lamps : en
  • SU54444A1 - Pole electric machine : en ru
  • USD112382S - Smoker s unit : en
  • DE668191C - Letter folder : de en
  • DE668283C - Connection of the pieces of reinforced concrete hollow piles to undertake existing structures : de en
  • GB496353A - Improvements relating to closures for containers : en
  • SU55784A1 - Method of preparing a catalyst for the determination of oxygen in gas mixtures by the method of contacting it with gaseous or vaporous combustible substances : en ru
  • US2138790A - Spot weld recorder : en
  • GB496386A - Improvements in and relating to posting and account sheets for use in book-keeping : en
  • GB496314A - Improvements in or relating to fish dressing machines : en
  • GB496376A - Improvements in or relating to rakes : en
  • GB496719A - Improvements in and relating to mechanism for feeding tobacco leaves to leaf stemming machine : en
  • SU54916A1 - Disconnector : en ru
  • SU54950A1 - Valve for the tuyere stock of blast furnaces : en ru
  • SU55070A1 - Method of making two-color movies : en ru
  • SU56078A1 - Bearing Testing Machine : en ru
  • DE669176C - Illumination of a room with windows, imperceptible from the outside : de en
  • SU54797A1 - Sulfuric Acid Denitration Method : en ru
  • SU55672A1 - Hydraulic automatic lock : en ru
  • SU55768A1 - Device for transporting pulverized materials by compressed air : en ru
  • SU56088A1 - The method of obtaining deodorized flour from soybean meal : en ru
  • DE668334C - Car body suspension for vehicles with a bogie without a cradle : de en
  • FR834757A - Tensioner for ski tips : en fr
  • US2138789A - Combined shoetree and shoehorn : en
  • FR834661A - New photographic papers sensitized on both sides and their manufacturing process : en fr
  • FR834841A - Method and apparatus for seismic prospecting : en fr
  • GB496395A - Improvements in or relating to soldering irons : en
  • DE668216C - Explosion turbine with propellant gas compression in piston engines : de en
  • DE668260C - Rotary piston machine with impeller-like plate piston and a rotor disc penetrated by its wing : de en
  • DE668308C - Vulcanizing device for renewing the tread of pneumatic rubber tires : de en
  • GB496347A - Improvements in impulse senders of the type used in telephone systems : en
  • GB496518A - Improved process for treating lithographic plates prior to and during printing : en
  • SU54957A1 - The method of protection of porous metals from corrosion : en ru
  • US2138376A - Closure : en
  • US2138738A - Pattern drum control means : en
  • SU55016A1 - Gear pump with external gearing : en ru
  • SU55121A1 - The method of purification of petroleum oils : en ru
  • US2138429A - Display device : en
  • CA377916A - Tunable circuit amplifying arrangement : en fr
  • US2138755A - Liquid dispensing apparatus : en
  • SU55294A1 - Centrifugal casting machine for liners and similar hollow articles : en ru
  • SU56043A1 - Mineral Coloring Method : en ru
  • FR834712A - Mechanical remote control device : en fr
  • GB496326A - Improvements in light obscuring devices for electric lamps : en
  • GB496618A - Improvements in or relating to tri-packs for use in colour photography : en
  • GB496306A - Improvements in rucksacks and knapsacks : en
  • SU55671A1 - Device for transmitting the water level indication : en ru
  • DE668340C - Electric capacitor : de en
  • US2138455A - Means for circulating liquor in pulp cookers : en
  • US2138488A - Apparatus for forming metal slugs : en
  • US2138374A - Window construction : en
  • US2138192A - Synthetic rubber composition : en
  • US2138445A - Photographic printing apparatus : en
  • US2138525A - Evaporator : en
  • US2138532A - Cryptographic device : en
  • DE668243C - Mechanical ejection device for printed envelopes, sheets or the like on address printing machines : de en
  • DE668462C - Packaging means : de en
  • GB496324A - Improvements in or relating to massage devices : en
  • CH201488A - Luggage rack. : en fr
  • FR834813A - Improvements to nickel-zinc oxide accumulators : en fr
  • US2138783A - Snow plow : en
  • US2138372A - Checking mechanism : en
  • US2138769A - Indicating fuse plug : en
  • SU54717A1 - Slide rule : en ru
  • CA378055A - Condiment receptacle : en fr
  • FR834719A - Device for the production of photographic sound recordings : en fr
  • FR834845A - Counterbalance crank for bicycle pedals : en fr
  • DE668197C - Device for the hanging conveyance of metal sheets : de en
  • US2138503A - Plural-valve plumbing fixture : en
  • CH201414A - Device for receiving impulses. : de en
  • CH201529A - Process for the production of a vat dye of the anthraquinone acridone series. : de en
  • DK55509C - Procedure for Attaching Wire Ropes in Cones or Sleeves. : da en
  • SU55378A1 - Device for strengthening electric motors when tested : en ru
  • SU54396A1 - Catching device with wedge clamps for blast furnace lifting trolleys : en ru
  • SU54565A1 - Antenna Switch : en ru
  • US2137997A - Packing device for use in wells : en
  • US2138041A - Garment : en
  • US2138469A - Heat exchanger : en
  • US2138033A - Tent pole : en
  • US2138580A - Printing telegraph system : en
  • GB496599A - Improvements in and relating to apparatus for spraying liquids : en
  • PL27362B1 - Spring pedal for auxiliary machinery on vehicles or airplanes. : en pl
  • SU54380A1 - Folding nail clippers : en ru
  • SU55093A1 - Friction winch : en ru
  • SU55256A1 - Device for automatic switching off of an electric motor of an oil pumping unit : en ru
  • GB496413A - Improvements in or relating to the conveyance of cigarettes : en
  • US2138181A - Short wave signaling : en
  • USD112398S - Design for a dress : en
  • CH201470A - Method and device for ventilating bulk goods, in particular organic substances. : de en
  • CH201520A - Process for the preparation of a metal-containing trisazo dye. : de en
  • GB496232A - Improvements relating to slicing machines : en
  • CH201513A - Process for the preparation of p-dodecylaniline. : de en
  • DE668432C - Pipe clamp for laying insulating pipes and. like : de en
  • PL27475B1 - Device for rinsing the cavities of the human body. : en pl
  • AU105900B2 - Improvements in or relating to sparking plugs : en
  • US2138088A - Solder filled wire : en
  • US2138264A - Work holder for mower sections : en
  • US2138265A - Shoe repairer's jack : en
  • US2138411A - Method of determining the surface characteristics of workpieces : en
  • DE668404C - Process for making lenticular film advance films : de en
  • US2138087A - Stabiijzation of drier compositions : en
  • DE668328C - Device for alternating loading of conveyor wagons traveling on adjacent tracks by means of an intermediate conveyor with reversible conveying direction : de en
  • SU54839A1 - Device for determining the pressure of groundwater : en ru
  • SU55197A1 - The method of obtaining a protective layer on refractory masonry and linings : en ru
  • CH201221A - Device for regulating the heating water flow temperature in combined heating and hot water systems with return admixture. : de en
  • US2138146A - Esters of cellulose and their preparation : en
  • FR834809A - Machine for stripping old electrical cables of their lead sheath : en fr
  • GB496327A - Improvements relating to devices for closing doors : en
  • US2138086A - Extension visor for ski caps : en
  • US2138132A - Refrigerator : en
  • US2138643A - Undergarment : en
  • US2138766A - Handling and collapsing paper boxes : en
  • SU54637A1 - Light ball : en ru
  • SU55313A1 - Ball feeder : en ru
  • SU55387A1 - M lka : en ru
  • DE668430C - Train control device using ultra-short waves : de en
  • SU54540A1 - Electrical meter with self-tuning oscillation circuit : en ru
  • SU54762A1 - Bristle making machine : en ru
  • SU55243A1 - Sumpless centrifugal pump : en ru
  • SU55336A1 - Adaptation to a belt machine to prevent the belts from twisting between themselves when several belts are placed in one basin : en ru
  • US2138302A - Raisin capper : en
  • US2138574A - Reverse and variable pitch propeller : en
  • DE668318C - Cleaning brush, especially for gun barrels : de en
  • GB496712A - An improved corset and the like : en
  • US2138028A - Transmission : en
  • US2138250A - Mailing device : en
  • US2138471A - Alkylated phenylphenols : en
  • SU54408A1 - The method of underground gasification of solid combustible : en ru
  • SU54430A1 - Hydrogen cyanide preparation apparatus : en ru
  • SU54738A1 - Device for differential protection of three-winding transformers : en ru
  • SU54166A1 - Device for preventing the heated end of the pipe from oxidation : en ru
  • GB496262A - Improvements in or relating to distributors for pneumatically transported finely divided solid material : en
  • GB496435A - Improvements in and relating to wheel suspensions for vehicles : en
  • CA378050A - Animal trap : en fr
  • ES144177A1 - Hand grenade. : en es
  • GB496429A - Improvements in arc-extinguishing tubes for electric switches of the self-generatinggas blast type : en
  • CH201319A - Mixed percussion and self-destruct rocket. : en fr
  • CH201223A - Method and device for the production of moldings, in particular panels made of fibrous materials and hydraulic binders. : de en
  • PL27367B1 - Device for separating mist suspended in gases. : en pl
  • US2138721A - Cathode ray oscillograph tube : en
  • GB496504A - Improvements in loud speakers : en
  • DE668374C - Earth fault indicator : de en
  • DE668422C - Process for uninterrupted zinc extraction in standing reduction rooms : de en
  • FR834810A - Further training in electric glass manufacturing : en fr
  • GB496420A - Apparatus for carrying out heterogeneous or like chemical reactions : en
  • FR834708A - Improvements made to taps or hydraulic valves : en fr
  • GB496368A - Water tube steam boiler : en
  • GB496810A - Improvements in or relating to mechanical and electrical connecting means for lighting fittings : en
  • SU54576A1 - Adjustment to a four-roll sheet bending machine to form shear waves on tubes : en ru
  • SU54627A1 - Device for cutting the ends of wiping and similar materials : en ru
  • GB496263A - Improved mechanism for driving the blower of a supercharged internal-combustion engine : en
  • GB496311A - Improvements in or relating to rims for vehicle wheels : en
  • GB496446A - Improved process for preparing and packing green peas in tins : en
  • GB496608A - Improvements in stentering machines : en
  • FR834762A - Multi-layered photographic films : en fr
  • USD112405S - Design fob a lace : en
  • GB496412A - Improvements in articles for contacting molten glass : en
  • USD112397S - Design for a paper sheet or similar : en
  • DE668271C - Injection carburetors for internal combustion engines : de en
  • GB496358A - Process for the production of stable storable raw food : en
  • GB496506A - Combined camp bed and stretcher : en
  • DE668257C - Device for cleaning flue gases : de en
  • FR834729A - Sound frequency amplifier with sound intensity adjustment : en fr
  • GB496566A - Improvements in or relating to gas detectors : en
  • GR7809B - INVESTMENT BOARD FROM ASSUMPTION OF PIECES WOOD THE ABSORPTION OF SOUNDS AND THROUGH THE ACOUSTIC CORRECTIONS. : el en
  • SU54590A1 - Sawing hoses to hoses : en ru
  • SU54720A1 - Steam distribution head to steam woman : en ru
  • SU55581A1 - Method for simultaneous nitriding and cementation : en ru
  • SU55734A1 - The method of purification of phosphoric acid from the mouse : en ru
  • GB496541A - Improvements in and relating to the alignment of the structural components of jigs and workpieces : en
  • FR49184E - Process for the production of resistant coatings on wood : en fr
  • GB496238A - Improvements in or relating to oscillograph scale systems : en
  • DE668343C - A locking member consisting of a bow-shaped wire for opening the mouth of load hooks : de en
  • GB496374A - Improvements in cooling-, heating-and drying-devices : en
  • FR834716A - Vertical shaft furnace with continuous operation : en fr
  • SU55636A1 - The method of obtaining the combined fertilizer : en ru
  • SU55824A1 - Hanging flyer for vaters : en ru
  • SU54417A1 - Instrument for studying the electrical properties of soils, soils and similar materials. : en ru
  • FR834804A - Ball shooting game combined with billiards with holes : en fr
  • GB496421A - Improvements in plangraphic printing plate : en
  • PL27519B1 - A method for producing foam from aqueous rubber suspensions and an apparatus for carrying out the method. : en pl
  • SU55407A1 - Tube generator : en ru
  • SU55684A1 - Method of making macro and microscopic preparations : en ru
  • SU55255A1 - Device for smooth regulation of AC voltage : en ru
  • SU56015A1 - Flat to machine for making smooth and patterned goods : en ru
  • US2138066A - Means for sealing tin-tie bags : en
  • US2138105A - Roller screen construction and method : en
  • SU55094A1 - Crane operator type Westinghouse : en ru
  • SU55525A1 - Gain stage : en ru
  • US2138709A - Humidifier for dwellings : en
  • DE668237C - Arrangement for the simultaneous remote transmission of a measured variable by means of the same transmitter to quotient measuring mechanisms and electrical counters or totalizing electrical devices or the like. : de en
  • DE668347C - Clamp to connect two crossing, perpendicular to each other wooden or metal rods for trusses or scaffolding : de en
  • DE668369C - Lock for gates, especially for the test benches of aircraft engines : de en
  • DE668500C - Overlay receiver with a device for automatic sharp tuning : de en
  • GB496398A - Improvements in or relating to electronic attenuators : en
  • US2138403A - Driving and stopping mechanism : en
  • PL27506B1 - A way to doom sugar for bees. : en pl
  • US2138050A - Hydraulic power transmission and control : en
  • US2138688A - Method and apparatus for the production of cold : en
  • SU54620A1 - The method of heat treatment of spiral springs : en ru
  • SU55249A1 - Device for fastening door brackets to door ties : en ru
  • SU55648A1 - Photocompensation device : en ru
  • SU55722A1 - Production line machine : en ru
  • CA378015A - Tubular steam generator cleaning system : en fr
  • CH201530A - Process for the production of a drying fatty oil from castor oil. : de en
  • DE668287C - Detachable handle for dental nebulizers : de en
  • FR834660A - Device for automatic feeding of steam boilers : en fr
  • GB496549A - Improvements in or relating to road vehicles to facilitate loading and unloading : en
  • AU105902B2 - Axle lubricator : en
  • DE668479C - Device on machine tools for switching the direction and size of movement of the workbench by means of a switching element : de en
  • SU55411A1 - Pneumatic controlled diaphragm fuel pump : en ru
  • SU56147A1 - Device for automatically maintaining constant humidity, density, temperature, light, pressure, speed, concentration, and other variables : en ru
  • USD112389S - Design for an attachable projection : en
  • PL27376B1 - Rotor vane for single-jet flow meters. : en pl
  • SU54728A1 - Cable for bridges cable : en ru
  • FR834754A - : fr
  • US2138735A - Attaching device : en
  • USD112365S - Design fob a combined tractor radia : en
  • SU55756A1 - Device for determining the rate of change of electrical voltage : en ru
  • US2138703A - Method of printing : en
  • GR7829B - HIGH PRESSURE PISTON SPRAYER WITH STIRNING SYSTEM BY WINGS MOVING THROUGH TEETH WHEELS. : el en
  • US2138395A - File rest : en
  • GB496336A - Process for the treatment of fabrics comprising derivatives of cellulose : en
  • DK55511C - Machine for applying an even and uniform coating to a traveling web of paper or similar material. : da en
  • SU54535A1 - The method of cleaning technical acetic acid : en ru
  • SU55443A1 - Barrel and other roller grinding machine : en ru
  • GB496220A - Improvements in typewriting machines : en
  • DE668218C - Bearings with pressed material chuck : de en
  • FR834794A - Advanced check valve lubricator : en fr
  • PL27457B1 - High pressure compressor and air collection device, fitted with a single stage compressor, a motor driving the compressor and a cooling pipe between the compressor and the reservoir. : en pl
  • SU55057A1 - Frame : en ru
  • SU55996A1 - Wind engine : en ru
  • SU56094A1 - The method of cleaning technical isovolantron : en ru
  • SU54801A1 - Brick concrete wall : en ru
  • FR834849A - Cathode ray tube : en fr
  • FR49155E - New drink based on yeasts : en fr
  • FR834745A - Improvements to self-closing shut-off valves : en fr
  • GB496405A - Improvements in the manufacture of glass tubing : en
  • SU55927A1 - Device for demonstrating the course of change of currents of individual phases of three-phase current : en ru
  • SU55940A1 - The method of communicating clay water resistance by grinding : en ru
  • US2138383A - Cop tube and method of manufacturing the same : en
  • US2138699A - Container : en
  • DE668476C - Process for the preparation of stable chlorinated rubber : de en
  • GB496638A - Improvements relating to locking means for bolts and other externally screw-threaded elements : en
  • USD112377S - Design fob a sadiron ob similab : en
  • AU497937A - Process forthe production of lubricating oils : en
  • CA378024A - Metallic magnesium : en fr
  • CA378027A - Condiment shaker cap : en fr
  • CH201374A - Crankshaft assembled from individual parts with at least one shaft journal and one crank disk. : de en
  • DE668304C - Truss : de en
  • CA378006A - Centrifugal casting machine : en fr
  • CH201332A - Timepiece dial. : en fr
  • SU55289A1 - Cargo gauge : en ru
  • SU55514A1 - Winding for electric cars : en ru
  • SU55518A1 - Method for controlling uniformity of birefringent films : en ru
  • US2138417A - Arrangement for avoiding the disturbances attendant on the transformer potential in alternating current collector motors : en
  • SU55580A1 - Retractable blade chisel : en ru
  • SU55943A1 - The method of obtaining caustic alkalis : en ru
  • SU56167A1 - A device for treating skins with liquids : en ru
  • CH201505A - Process for the preparation of a quaternary aminobenzylacylamine. : de en
  • CH201359A - Tower. : en fr
  • SU55759A1 - Device for controlling the mode of electric welding : en ru
  • SU55769A1 - Installation for the production of gases : en ru
  • SU56084A1 - Method and device for steam cleaning in drum steam generators : en ru
  • US2138308A - Lasting machine : en
  • SU55050A1 - Device for automatically switching on alternators for parallel operation : en ru
  • US2138592A - Carburetor : en
  • SU54514A1 - The method of obtaining acid-resistant layer on the surface of cast iron or steel : en ru
  • SU54622A1 - Device for applying adhesive mass to paper : en ru
  • SU54506A1 - Device for communicating oscillating movement to the working shaft : en ru
  • SU54659A1 - Vertical conical mill mainly for grinding metal chips : en ru
  • US2138080A - Device for circulating liquids and for reversing the direction of flow thereof : en
  • US2138549A - Arch type electrical road switch : en
  • US2138171A - Antislip device : en
  • US2138274A - Separation of solids from liquids : en
  • US2138739A - Producing and/or finishing screw threads by grinding : en
  • CA377991A - Photo-sensitive material : en fr
  • SU55819A1 - A device for galvanizing pipes inside : en ru
  • SU56165A1 - The method of obtaining agar-agar and iodine from algae : en ru
  • BE430524A - : en fr
  • CA377915A - Discharge tube cathode : en fr
  • SU54391A1 - The method of obtaining a gas mixture rich in PH3 : en ru
  • SU54654A1 - Method of indirect testing for heating three-phase asynchronous motors with a phase rotor : en ru
  • SU54664A1 - Extractor for banker : en ru
  • SU55562A1 - A device for controlling an electric motor of a boring machine : en ru
  • US2138047A - Press for molding articles : en
  • US2138401A - Container made of paper : en
  • SU56270A1 - The method of purification dioxydiamino-arseno-benzene : en ru
  • US2138674A - Automatic toaster : en
  • US2138744A - Bed lamp : en
  • SU55307A1 - Method of making small diamond tools for dressing grinding wheels : en ru
  • SU56051A1 - Device for measured filling of foaming liquids : en ru
  • AU105891B2 - Improvements in and relating to frames of moulded material for automobile bodies : en
  • AU105855B2 - Improvements in full circle tyre retreading moulds : en
  • CA377967A - Store front : en fr
  • PL27364B1 - Zebate clutch for the reverse brake of the bicycle freewheel hub. : en pl
  • SU54469A1 - Adaptation to vehicles for registering driving at speeds above the set limit : en ru
  • SU54844A1 - Tool for screwing the chuck from the machine spindle : en ru
  • SU55694A1 - Regime adaptation to an air brake : en ru
  • US2138283A - Conditioning of wood pulp for nitration : en
  • CH201450A - Air foam generator. : de en
  • SU54665A1 - Pile collar to the bottom of the pile driver : en ru
  • SU54854A1 - Device for automatic opening of the parachute : en ru
  • US2138137A - Adhesive : en
  • US2138586A - Store front construction : en
  • US2138775A - Synthetic oil : en
  • SU55753A1 - The device to turn off the motor when changing its speed of rotation : en ru
  • PL27408B1 - The method of producing asbestos-cement mass and the method of making objects from this mass for any use. : en pl
  • SU54569A1 - Fish lifting device : en ru
  • SU54795A1 - Method of drying and degassing insulating oils : en ru
  • SU55757A1 - Method of manufacturing mirror surfaces : en ru
  • SU55931A1 - Bath for electrolysis of aqueous solutions of alkali metal chloride salts : en ru
  • GB496633A - Improvements in or relating to electric current-converting or mutator tubes : en
  • AU105842B2 - Machine for making wired box parts : en
  • CH201228A - Mobile transom window. : en fr
  • US2138324A - Means for reducing shock in the escapement mechanisms of typewriters : en
  • US2138690A - Method for the dehumidification of air : en
  • SU54537A1 - Crash Clasp : en ru
  • SU54805A1 - Device for shooting notebooks with wire stitching machine : en ru
  • US2138328A - Radio tuning device : en
  • US2138747A - Receiver for wave signals : en
  • SU54721A1 - Apparatus for heating liquids, e.g. water : en ru
  • SU55014A1 - Method of bleaching and refining wood pulp : en ru
  • US2138236A - Motor vehicle : en
  • SU54401A1 - Machine for making grating boards : en ru
  • SU54964A1 - Electric musical instrument : en ru
  • SU55975A1 - Method of making colored or metallized foil for printing and printing : en ru
  • US2138723A - Combination portable pocket light and camera unit : en
  • US2138792A - Burner control system : en
  • SU54376A1 - The method of reconstruction of railway lines : en ru
  • SU55237A1 - Air separator : en ru
  • SU56225A1 - Dynamometer for determining the moment of the hair springs : en ru
  • US2138414A - Ellipse or circle compass : en
  • DE668188C - Circulating heating for ovens operated by a fan : de en
  • CA377957A - Building corner unit : en fr
  • GB496561A - Improvements in and relating to material suitable for use as a cement or mortar : en
  • SU55902A1 - Method for the production of nitric acid : en ru
  • US2137999A - Sealing cap for barrel bushing and screw plug assemblies : en
  • CH201534A - Parcel counter. : de en
  • SU54899A1 - Safety attachment to parallel shears for cutting veneer etc. : en ru
  • GB496570A - Improvements in and relating to grass and like cutting machines : en
  • SU55066A1 - Porcelain coloring machine : en ru
  • SU55543A1 - Method of gluing rubberized fabric with non-rubberized : en ru
  • SU55893A1 - Method of artificial peat dewatering : en ru
  • USD112381S - Design for a jab : en
  • USD112388S - Design fob a container fob fire ex : en
  • CH201502A - Process for the preparation of an imidazoline. : de en
  • AU105882B2 - Improvements in means for maintaining tension in power transmitting chains of wheeled agricultural implements : en
  • SU54606A1 - Instrument for testing formations in oil wells : en ru
  • SU54723A1 - Instrument for determining the location of pipeline damage : en ru
  • USD112378S - Design for a mail chute : en
  • US2138543A - Punch and shearing machine : en
  • CH201285A - Process for the preparation of 17-cyano-androstene-D5.6-diol-3.17-diacetate. : de en
  • CH201402A - Absorption refrigeration apparatus. : en fr
  • PL27448B1 - Clock with 24 hour dial. : en pl
  • SU55207A1 - Automatic device for shooting a profile of the traversed path : en ru
  • CH201355A - Bending machine for bar and profile iron. : de en
  • AU105903B2 - Improvements in or relating to dynamos which highly variable speed : en
  • PL27436B1 - A device for plotting the asymptote of the peku hyperbol of the communal. : en pl
  • SU54673A1 - Splint for upper and lower jaw fractures : en ru
  • SU54999A1 - Plovucha hydrogenerator installation : en ru
  • SU55699A1 - Method for wireless transmission of fixed semi-shadow images with short waves : en ru
  • US2138537A - Milk pail : en
  • US2138803A - Luminous display : en
  • SU55269A1 - Plug contact for Swiss switches : en ru
  • SU55708A1 - Payphone : en ru
  • US2138435A - Fermentation process and product : en
  • SU55081A1 - Adaptation to the kimograph : en ru
  • SU55861A1 - Edge clamping machine and similar products : en ru
  • SU55926A1 - Device for producing and accelerating ions in a gas discharge tube : en ru
  • US2138370A - Method of making propeller blades : en
  • CH201344A - Universal timepiece. : en fr
  • CA378013A - Motor boat propeller : en fr
  • CH201210A - Lifting device for the cutting mechanism on mowing machines, especially those for pulling animals. : de en
  • CH201234A - Fine dust filter. : de en
  • FR834741A - High frequency concentric line with reduced disturbance : en fr
  • FR834742A - High frequency cable comprising several concentric lines preferably insulated by air space : en fr
  • GB496593A - Improvements relating to electric contacts : en
  • CA377980A - Lubricating oil : en fr
  • SU54581A1 - Thresher for long-bellied plants, such as hemp, etc. : en ru
  • SU55944A1 - Advertising device : en ru
  • CA378051A - Lathe centre : en fr
  • SU55897A1 - Device for supplying hydrogen to an autoclave for hydrogenation of fats : en ru
  • SU56137A1 - Device for graduation strain gauges : en ru
  • US2138737A - Egg product and process of producing same : en
  • USD112334S - Design for a chair standard : en
  • CA378046A - Toy people base and shoe : en fr
  • CH201333A - Timepiece. : en fr
  • PL27413B1 - Electric discharge lamp. : en pl
  • SU54470A1 - Contact electric locomotive for gas mines : en ru
  • SU55905A1 - Surface treatment unit by electrolysis : en ru
  • CH201465A - Cigarette pack. : de en
  • CH201490A - Device for actuating driving respectively. Motorcycle brakes. : de en
  • SU54764A1 - Tool for stopping the loom : en ru
  • SU55331A1 - Method for drilling well drilling : en ru
  • SU55997A1 - Method and device for lubricating and washing rolling bearings, etc. : en ru
  • US2138063A - Safety razor : en
  • SU55131A1 - Receiving antenna : en ru
  • SU55460A1 - Three phase reactor : en ru
  • SU55475A1 - Apparatus for determining carbon content in iron-carbon alloys : en ru
  • SU56071A1 - Device for constructing various second order curves : en ru
  • SU54508A1 - Device for stuffing sausages and similar sausages : en ru
  • SU54601A1 - Method of making metal grids : en ru
  • US2138032A - Semisubmersible motor pump : en
  • US2138184A - Transparent organic derivatives of : en
  • US2138676A - Machine for cutting by heat pipes or similar objects angularly crosswise thereof : en
  • US2138711A - Hay sweep : en
  • US2138719A - Blow-out preventer : en
  • SU54718A1 - Electric cable cooled by liquefied gas circulating inside it : en ru
  • USD112350S - Design for a textile fabric or : en
  • SU54596A1 - Automatic device to facilitate the start-up of the motor-compressor : en ru
  • SU55807A1 - Spring pressure regulator to molds of automatic conveyor-type presses for hot curing bottom shoes : en ru
  • SU56286A1 - Mold for casting gland rings : en ru
  • SU54632A1 - Chain saw : en ru
  • US2138207A - Boat propulsion : en
  • USD112413S - Design fob a hat : en
  • AU105877B2 - Process forthe manufacture of sulphuric acid : en
  • AU492537A - Improvements in or relating to high-pressure metal vapour electric discharge devices : en
  • SU54784A1 - Volumetric method for determining chromium content in leather, fur and sheepskin : en ru
  • DE668444C - Continuous conveyor guided over knee points, especially escalator : de en
  • BE430808A - : en
  • PL27422B1 - Protective basket for children's sledges. : en pl
  • SU54486A1 - Interrupter supply of oil or other liquids and gases in case of their overrun or in the event of a pipeline accident : en ru
  • SU54832A1 - Artificial Fiber Cutting Machine : en ru
  • SU54848A1 - Plate element for plate filters, humidifiers, surface heat exchangers and similar devices : en ru
  • SU55326A1 - Machine for cleaning, blanching and stuffing pepper : en ru
  • SU56014A1 - Horizontal tube reflux condenser : en ru
  • US2138593A - Thermal controlling device : en
  • US2138380A - Automatic nozzle : en
  • SU54357A1 - Guide Visor to Leslie Snow Blower Nozzle : en ru
  • SU55112A1 - A device for collecting and collecting oil : en ru
  • SU55352A1 - Punch press with both hands : en ru
  • US2138386A - Safety load holding means : en
  • US2138288A - bailey : en
  • US2138726A - Girdling tool : en
  • USD112343S - Design for a heel : en
  • USD112414S - Design for drape for chapel tent : en
  • SU55290A1 - Electric anemometer : en ru
  • SU55480A1 - Device for sorting balls, rollers and similar items by the size of the outer diameter : en ru
  • CA377923A - Fastener slider : en fr
  • CA378037A - Container transferring apparatus : en fr
  • DK55512C - Device for Motor Vehicles. : da en
  • GB496235A - Improvements in or relating to reinforced concrete floors : en
  • SU55418A1 - Method of preparing bitumen emulsions for anti-corrosion coatings : en ru
  • SU55949A1 - Metal fastener rack : en ru
  • DE668482C - Headlight control by listening device and telescope : de en
  • SU54775A1 - Milling machine for cutting slots in installation headless bolts and similar parts : en ru
  • SU55284A1 - Colorimeter : en ru
  • US2138232A - Bottle vending machine : en
  • DE668305C - Mills, especially coffee grinders, with a selection device for setting the degree of fineness of the ground material : de en
  • DE668417C - Connection of the inner metallic wall covering of a Braun tube with the feed wire : de en
  • US2138761A - Method of producing a rubber article : en
  • DE668207C - Device for injecting or withdrawing fluids : de en
  • SU54823A1 - The method of oxidation of iron and steel : en ru
  • SU55936A1 - Plate for xylophones, mainly with mechanical sound reproduction : en ru
  • US2138058A - Ice tray : en
  • US2138507A - Curtain and drape bracket : en
  • USD112391S - Design fob an electric glow lamp : en
  • SU54656A1 - Guitar type musical instrument : en ru
  • SU55169A1 - Direct Action Regulator : en ru
  • SU55794A1 - Telephone set : en ru
  • US2138523A - Vehicle body construction having concealed door hinges : en
  • SU55186A1 - Device for cleaning the cloth of the endless conveyor : en ru
  • US2138269A - Transportation chair : en
  • US2138336A - Box and handle : en
  • US2138428A - Means for skin treatment : en
  • DE668181C - Process for the production of lower leather : de en
  • DE668466C - Device for putting corners on the market with glue on the bottom part for fixing pictures or the like in albums : de en
  • FR834761A - Rolling and folding bed for children : en fr
  • AU105905B2 - Improved gear shift mechanism for motor vehicles : en
  • AU129838A - Improvements in apparatus for applying lacquer or short-fibre layer to solid workpieces : en
  • USD112376S - Design for a sadiron or siimolar : en
  • CH201535A - Circuit arrangement with a cathode ray tube for generating vibrations. : de en
  • GB496653A - Improvements in or relating to the manufacture of variable electric condensers : en
  • AU105883B2 - Improvements in or relating to radio direction finding apparatus : en
  • GB496302A - Improvements in or relating to cementitious material : en
  • GB496391A - Improvements in or relating to lighting fittings : en
  • GR7805B - TYPE OF MIXER WITH MOVEMENT OF TEETH WHEELS OF ALL KINDS OF SPRAYER. : el en
  • CH201302A - Planographic printing plate and process for making same. : de en
  • DE668137C - Automatic feed device for impact tools, especially rock drills : de en
  • PL27482B3 - Device for deacidification and degassing of artificial silk in a ribbon. : en pl
  • US2138348A - Display device : en
  • AU105841B2 - Improvements in radio beacons : en
  • US2138620A - Vulcanizing device : en
  • USD112331S - Design for a shoe : en
  • FR834773A - Hose for sewerage line : en fr
  • FR834781A - Block for construction work : en fr
  • IE15322L - Road vehicle bodies : en
  • IE15332L - Rotary engines, pumps, etc. : en
  • FR834771A - Multi-piece crankshafts : en fr
  • GB496410A - Improvements in coin actuated delivery machines : en
  • SU54725A1 - Room stove : en ru
  • SU55223A1 - Bag reversing machine : en ru
  • SU54852A1 - Drive for round-stocking machines : en ru
  • SU55306A1 - Machine for making rusks for grounding : en ru
  • FR834784A - Oscillation damping method for synchronized AC machines : en fr
  • GB496337A - Improvements in a process for the preparation of crustless cheese : en
  • GB496743A - Improvements in or relating to the manufacture of pulp rovings : en
  • SU55481A1 - Device for driving carriage dynamo lighting : en ru
  • US2138636A - Commutator : en
  • US2138009A - Tube cleaner : en
  • US2138090A - Treatment of titanium ores : en
  • DE662286C - Device for conveying leaf tobacco using suction air : de en
  • DE667332C - Grinder working with loose grinding bodies : de en
  • FR834722A - Electrical installations comprising dynamos coupled in parallel : en fr
  • FR834737A - Interchangeable hook device for looms harness : en fr
  • GB496649A - A new or improved hand device or appliance for use in disinfecting or sterilising safety razors and razor blades : en
  • GR7823B - PERFECTIONS IN OR IN RELATION TO UNDERWATER MINES. : el en
  • CH201463A - Device for carrying skis. : en fr
  • DE668234C - Device for re-impregnating piercing wooden poles : de en
  • DE668428C - Electric multi-row signal box : de en
  • FR834685A - Resinification process for albuminoid materials : en fr
  • SU55602A1 - Device for drilling holes in the cylinder of the main piston of the Matrosov air distributor : en ru
  • SU56091A1 - Cotton harvesting machine : en ru
  • GR7824B - PERFECTIONS IN OR IN RELATION TO UNDERWATER MINES. : el en
  • FR834703A - Method for the manufacture of ammunition shells or the like : en fr
  • SU56029A1 - Device for controlling the speed of the unit : en ru
  • DE668348C - Jigsaw : de en
  • GB496564A - Improvements in or relating to electron multipliers : en
  • SU56274A1 - The method of obtaining artificial resin : en ru
  • US2138065A - Change speed gearing : en
  • CA377954A - Strap tensioning and sealing device : en fr
  • DE668358C - Film recording device for two-row exposure with two film chambers : de en
  • DE668385C - Combined clip and needle chain link for tensioning and drying machines : de en
  • GB496393A - Improvements relating to electric motors used for starting internal combustion engines : en
  • SU55356A1 - Selenium metal element for dry straighteners : en ru
  • FR49176E - Warning device for the presence of lighting gas in living rooms : en fr
  • FR834824A - Control device for degreasing barrel : en fr
  • GB496237A - Improvements relating to spraying pumps of the knapsack type : en
  • GB496319A - Composite bearings : en
  • DE668168C - Mobile and erectable foam pouring pipe : de en
  • SU54804A1 - Device for shooting notebooks with wire stitching machine : en ru
  • US2138219A - Tensioned awning : en
  • US2138412A - Pressure control device : en
  • AU105860B2 - Improvements relating to mechanism for controlling the operation of lift doors andthe like : en
  • GB496449A - Improvements in or relating to tubular heat exchange apparatus : en
  • GB496463A - Improvements in or relating to food products : en
  • DE668332C - Rail fastening on wooden sleepers using a rail nail : de en
  • FR834718A - Manufacturing process of polymethine dyes : en fr
  • US2138413A - Process of preparing phthalocyanine pigments : en
  • SU55558A1 - Method of coagulation of hydrohort : en ru
  • SU55879A1 - Device for automatically controlling the temperature difference of water passing through a heat exchanger : en ru
  • SU56197A1 - A method of manufacturing capsules for porphyry production, in particular insulators : en ru
  • SU54580A1 - A machine for lubricating the seats of chairs and the like with glue : en ru
  • US2138227A - Insole and method of making same : en
  • CA377911A - High frequency oscillator : en fr
  • FR834814A - Improvement in the attachment of chains, making them accidentally unhooked : en fr
  • DE668424C - Spring seat saddle for bicycles and motorcycles : de en
  • FR834796A - Improvements in processes and apparatus for spinning cotton or other fibers : en fr
  • PL27502B1 - A method of making metal vessels, especially metal cylinders, and a cylinder made in this way. : en pl
  • SU55877A1 - Tree Planting Machine : en ru
  • SU56009A1 - The method of obtaining smooth metal surfaces : en ru
  • US2138584A - Polysulphones and their preparation : en
  • US2138645A - Sorting machine : en
  • SU55089A1 - The method of cutting bevel gears with teeth of a flat generator wheel arranged along an involute : en ru
  • US2138505A - Temperature control system : en
  • PL27377B1 - Device for accessing the pump and other devices in the tank without emptying it, in which the height of the liquid column is greater than the suction height achievable. : en pl
  • SU55459A1 - Current transducer : en ru
  • SU55859A1 - Adaptation to internal combustion engines to prevent their acceleration : en ru
  • GB496475A - Improvements in and relating to the jointing of steel sheets for use as a lining for walls, subterranean spaces or the like : en
  • GR7801B - SEED SYSTEM ADJUSTABLE TO ANY Plow for Simultaneous Sowing and Sowing. : el en
  • FR834780A - Metal shuttle system for looms : en fr
  • GB496620A - Improvements in or relating to yarn winding frames : en
  • GB496529A - A method of assembling the sleeves of garments : en
  • GB496240A - Production of coatings of thermoplastic highly viscous products : en
  • US2138552A - Device for sharpening scissors and like cutting implements : en
  • US2138706A - Electrical cooking apparatus : en
  • SU55981A1 - Device for fastening tensioning wires of insulators : en ru
  • US2138054A - Folding mechanism for printing machines : en
  • CH201227A - Protection device for toilet seats. : de en
  • US2138281A - Process of treating cadmium bearing materials : en
  • US2138708A - Container : en
  • US2138030A - Means for actuating an airplane retractable landing gear : en
  • US2138427A - Automatic ventilator : en
  • SU54424A1 - Labeling device for cylindrical items : en ru
  • USD112392S - Design for a textile fabric : en
  • CH201493A - Locomotive. : de en
  • DE668446C - Transfer device for rotary scales : de en
  • FR834670A - Thermo-atomizer-lubricator for fueling internal combustion engines : en fr
  • GB496508A - Improvements in glasses transmitting infra-red radiation : en
  • GB496542A - The direct casting of sheet like metal structures : en
  • GB496375A - Improvements in or relating to pneumatic tools : en
  • CH201342A - Waterproof winding device for watches. : en fr
  • GB496253A - Improvements in expanding shoe brakes : en
  • GB496430A - An improved process for producing shaped artificial substances : en
  • SU55657A1 - The method of welding carbon and manganese steels : en ru
  • US2138005A - Package for food products : en
  • US2138112A - Chick box : en
  • DE668421C - Device for introducing water-soluble protective salts that can be distributed in wood by diffusion and osmosis into wooden structures exposed to fluctuating moisture : de en
  • DE668448C - Method and device for direct measurement of the content of solutions of depolarizing components : de en
  • ES144199A1 - A procedure for the hydration of oleins. : en es
  • FR49167E - Improvements to injection pumps : en fr
  • IE15312L - Waterproofing textile materials : en
  • PL27510B1 - Playing card. : en pl
  • FR834821A - Dispatching device applied to vehicle traffic : en fr
  • GB496545A - Process for the production of basic steel in thomas converters : en
  • FR834847A - Protective sheath for handpieces, right angles, etc., used in dentistry : en fr
  • SU54681A1 - Machine for putting on wooden rims on the spokes of wheels : en ru
  • SU56244A1 - Composition for iron aluminization : en ru
  • FR49182E - Film transport device for cameras : en fr
  • FR834837A - Manufacture of welded construction elements : en fr
  • FR834671A - Stackable seats or stalls : en fr
  • FR834714A - Process for recovering organic bases in the absorption of sulfur dioxide by means of these bases : en fr
  • FR49162E - Hydraulic remote control device : en fr
  • FR834697A - Dual purpose rear dropout for bicycle frames : en fr
  • GB496551A - Improvements in or relating to the manufacture or production of bags of paper and the like : en
  • DE668307C - Wood planer with pressure device for the workpiece : de en
  • SU55653A1 - Method and instrument for determining viscosity of liquids : en ru
  • GB496313A - Improved coupler for lubricators : en
  • GB496538A - Improvements in the separation of mineral particles of ore : en
  • DE668190C - Oil burner with coaxially nested ring bodies over a tub : de en
  • GB496713A - Improvements in and relating to tobacco pipes : en
  • CH201346A - Electric timepiece. : en fr
  • AU105854B2 - Improvements in full circle tyre retreading moulds : en
  • US2138748A - Qooojoo : en
  • SU54719A1 - Device for driving trenches : en ru
  • SU54812A1 - Machine for planning flooded rice and similar plantations : en ru
  • SU55782A1 - Inserts for throat tongs for Schiller semi-automatic machines for the production of glass containers : en ru
  • CH201345A - Chronograph watch mechanism. : en fr
  • CH201527A - Process for the preparation of a metal-containing trisazo dye. : de en
  • SU54710A1 - Hollow Ceramic Ground Stone : en ru
  • SU55240A1 - Impact Saw for Mining : en ru
  • SU55251A1 - Braille Type Plate Maker : en ru
  • SU55925A1 - Heating resistance : en ru
  • CH201398A - Starting device with a toothed segment on internal combustion engines. : de en
  • AU110732B2 - Improvements in or relating to looms with stationary weft supplies : en
  • CA378040A - Thermoplastic rubber derivative : en fr
  • AU41738A - An improved animal drencher : en
  • GB496751A - Improvements in or relating to electron discharge devices employing magnetic focussing arrangements : en
  • CA377913A - Radio receiver coupling device : en fr
  • CA378000A - Adjustable spectacles : en fr
  • PL27505B1 - Compressed air distributor. : en pl
  • SU54829A1 - Steam distribution mechanism for twin steam pumps : en ru
  • SU55930A1 - The method of dry gas desulfurization : en ru
  • US2138794A - Treatment of magnesium and its alloys : en
  • SU54353A1 - Manometer : en ru
  • SU55603A1 - Vertical bar : en ru
  • US2138289A - Chromium-manganese-nickel steel : en
  • AU105869B2 - Improvements in or relating to walland like plugs : en
  • SU55446A1 - Device for pouring metal into molds : en ru
  • US2138316A - Burglar alarm : en
  • US2138715A - Apparatus for treating paper pulp and the like : en
  • SU54876A1 - Pneumatic hammer to remove scale from pipe ends : en ru
  • CH201341A - Anti-dust device on the winding stems of wristwatches. : en fr
  • CH201354A - Method and device for determining the tension in a strip between a rolling mill and the take-up reel. : de en
  • CH201487A - Anti-skid device on vehicles with rubber-tyred wheels. : de en
  • SU54864A1 - Frequency doubler : en ru
  • SU55286A1 - Device for centralized remote control of turning on the loudspeakers of subscribers of the radio network : en ru
  • US2138327A - Wire drawing machine : en
  • SU55649A1 - Serial X-ray camera : en ru
  • US2138198A - Coffee maker : en
  • US2138238A - Harvesting machine : en
  • CH201431A - Device for grid control for converters with mercury cathode and permanent excitation. : de en
  • PL27386B1 - A way to separate minerals by swimming. : en pl
  • SU54750A1 - Adaptation to wire-stitching machines to prevent injury to the worker’s hands : en ru
  • SU54898A1 - Device for automatic switching of dual-mode brake depending on speed : en ru
  • SU55716A1 - Device for measuring the moisture content of bulk materials, for example, grain : en ru
  • SU55718A1 - Method of making matrices for color cinematography or photography : en ru
  • US2138301A - Toy airplane : en
  • US2138442A - Synchronous motor for electric clocks and the like : en
  • SU54960A1 - Method of preparing anti-scab : en ru
  • US2138261A - Scale : en
  • PL27432B1 - Tourist and topographic compass. : en pl
  • SU54422A1 - A device for controlling the correct position of a file when filing a product : en ru
  • SU55942A1 - Method of refining rough antimony from iron and mouse : en ru
  • US2138147A - Time of day announcing system : en
  • CA378035A - Animal trap : en fr
  • CH201371A - Case with a lighter. : en fr
  • PL27491B1 - A method for the production of liquid hydrocarbons such as gasoline, medium oils or heavy oils by splitting hydrogenation of carbon-containing solids. : en pl
  • SU54390A1 - Drying oven : en ru
  • SU54599A1 - Method and device for controlling the temperature of steam produced in a single-pipe direct-flow steam boiler : en ru
  • SU55462A1 - Device for stepless adjustment of lathe feed : en ru
  • SU55513A1 - Apparatus for determining the quantity of mass passing through a sump pump : en ru
  • CA378026A - Curtain suspension and reeving appliance : en fr
  • CH201240A - Device for dispensing measured portions of caster sugar and the like. : de en
  • CH201489A - Front clevis on bicycles. : de en
  • US2138157A - Removable packer for wells : en
  • DE668252C - Device for the number flow in teleprinter systems with dialer operation : de en
  • SU54230A1 - The drumless serpentine pipe of the high-pressure water-flow steam boiler : en ru
  • SU55829A1 - Adaptation to the fence groove : en ru
  • SU54722A1 - Ammeter switch : en ru
  • SU54947A1 - Float (or boat) for seaplanes : en ru
  • SU56210A1 - Drive mechanism for toys : en ru
  • AU105845B2 - New synthetic resinous materials : en
  • CA377919A - Radio tuning indicator : en fr
  • CA378023A - Paper stock de-inking method : en fr
  • SU55778A1 - Apparatus for extracting synchronization signals from received image signals : en ru
  • SU55876A1 - Method for air cooling of electric current generators : en ru
  • SU55916A1 - A Morse telegraph key with multiple contacts for simultaneous transmission over the appropriate number of telegraph circuits : en ru
  • US2138235A - Vehicle brake equalizer : en
  • US2138623A - Foundry molding : en
  • GB496328A - Improvements in or relating to spring suspensions of vehicles : en
  • AU264437A - Process of making half-cellulose from straw and grasses and similar material : en
  • CA377982A - Photographic anti-halation layer : en fr
  • GB496741A - Improvements in or relating to spinning machines : en
  • SU54570A1 - The method of obtaining o-mercaptobenziazole : en ru
  • US2138177A - Animal food : en
  • GB496659A - Process for the preservation of eggs : en
  • GB496280A - Improvements in or relating to advertising or display devices : en
  • SU54389A1 - Solomotr with dl combines and similar machines : en ru
  • SU55854A1 - Support for the katalny courses : en ru
  • SU54465A1 - Pliers for connecting test lead to lead sheath armored cables : en ru
  • SU55864A1 - Burov rod : en ru
  • CA378022A - Ore processing : en fr
  • GB496291A - Improvements in or relating to the performing of a trimming operation on a heelward portion of a sole of a shoe : en
  • GB496479A - Means for forced commutation of current in rectifiers or other static converters : en
  • PL27398B1 - A method of catalytic hydrogenation of carbon containing materials. : en pl
  • GB496249A - Improvements in or relating to methods of capping bottles and apparatus therefor : en
  • GB496521A - Improvements in or relating to electric indicating systems in or on aircraft : en
  • IS275A7 - Sliding equipment on doors or the like : en is
  • DE668222C - Method and device for the production of animal feed : de en
  • GB496490A - Improvements relating to the waterproofing of textile fibres, fabrics and the like : en
  • PL27393B1 - Air heating device with thermostatic steam heater, especially for vehicles running on rails. : en pl
  • PL27411B1 - A counter or meter with a horseshoe brake magnet directed at both poles towards the same surface of the rotating metal disc and, for the purpose of adjusting the braking torque, rotatably mounted about an axis parallel to the axis of this disc. : en pl
  • CH201297A - Process for re-sealing of oxide layers on light metals. : de en
  • SU55852A1 - The method of ironing slate and other solid combustible : en ru
  • SU55820A1 - Apparatus for continuous processing of oils at elevated temperatures : en ru
  • DE668371C - High-speed stranding machine : de en
  • GB496356A - Improvements in or relating to telephone pay-stations : en
  • US2138096A - Multiple impression printing means : en
  • DE668143C - Process for simultaneous dephosphorization and desulfurization of steel : de en
  • SU55731A1 - A method of manufacturing graphite electrodes : en ru
  • SU55961A1 - The method of gasification of solid combustible : en ru
  • SU56062A1 - Shower mixer : en ru
  • US2138187A - Radiator : en
  • US2138682A - Sheet margin stop for duplicators : en
  • SU55047A1 - Device for controlling the amount of water supplied to the boiler : en ru
  • US2138199A - Method of making metal fittings and the like : en
  • US2138758A - Manufacture of carbon dioxide ice : en
  • DE668400C - Device for separating seeds by rotating cells : de en
  • DE668438C - Brush holders for electrical machines : de en
  • ES144197A1 - Improvements in the construction of the furnaces of vat to melt glass. : en es
  • GR7803B - BACTERIA MANUFACTURING METHOD. : el en
  • SU54610A1 - Log raft method : en ru
  • GB496401A - Anti-vibrational mounting arrangement of an engine on its support : en
  • CA378016A - Foundation or pole base : en fr
  • CA377922A - Radio-receiving apparatus : en fr
  • CH201471A - Pneumatic installation for vehicles running on air tires, used to adjust the spring action of the tires. : en fr
  • GB496363A - Improvements in or relating to photographic flashlights : en
  • GB496603A - Improvements in or relating to electron lenses : en
  • GB496726A - Improvements in or relating to the manufacture of pyrimidine thiazolium compounds : en
  • GB496415A - Improvements in and relating to remote-control switches for alternating currents : en
  • GB496526A - Improved mechanism for actuating the control surfaces of aircraft : en
  • GB496555A - Improved method of making electron discharge devices : en
  • SU54643A1 - Electromagnetic belt separator for low magnetic ores : en ru
  • SU56172A1 - The method of drying wood : en ru
  • US2138762A - Process of polymerizing methacrylic esters of amino alcohols, in which the amino group is tertiary, and product : en
  • DE668300C - Electrical safety device for large currents : de en
  • GB496348A - Manufacture of tetrachlorethylene : en
  • GB496357A - Improvements relating to the treatment of rigid goods with volatile organic solvents and apparatus therefor : en
  • CH201523A - Process for the preparation of a metal-containing trisazo dye. : de en
  • SU55579A1 - The way to increase the sugar yield from the second crystallisse filling : en ru
  • FR834675A - Improvement in direct cooling and fairing of row-cylinder engines : en fr
  • GB496565A - Improvements in or relating to apparatus for feeding powdered or granular material : en
  • FR834801A - Improvements to the protective coatings of fuel tanks : en fr
  • FR834839A - Photographic reproduction apparatus : en fr
  • PL27438B1 - Garbage truck. : en pl
  • PL27471B1 - Impact fuse for grenades. : en pl
  • SU54981A1 - DC contactor-relay : en ru
  • SU55136A1 - Electromagnetic device to vaters to stop the supply of rovings when the thread breaks : en ru
  • SU56028A1 - Apparatus for improving the commutation of a single-phase collector motor : en ru
  • FR834728A - Switch for high frequency oscillating circuits : en fr
  • GB496516A - Improvements in or relating to toys or amusement devices : en
  • DE641893C - Container made of paper, cardboard or the like. : de en
  • GB496351A - Improvements in and relating to rotary compressors : en
  • PL27380B1 - A method of evaporating solutions containing solid flammable substances, in particular waste liquors, remaining after the manufacture of sulphite cellulose, and an apparatus for carrying out this method. : en pl
  • PL27399B1 - Electric discharge lamp. : en pl
  • PL27463B1 - Radio receiver; with the expansion of the dynamics. : en pl
  • SU55723A1 - Tool post for manual operation with lathe type machines and using patterns : en ru
  • SU55965A1 - The method of vulcanization of rubber compounds : en ru
  • US2138402A - Holding chamber for pasteurizing system : en
  • DE668203C - Electric machine with permanent magnets, preferably semicircular : de en
  • DE668406C - Folding and sliding roofs, especially for motor vehicles : de en
  • GB496739A - Improvements in or relating to roof or floor constructions : en
  • AU105885B2 - An improved animal drencher : en
  • SU54712A1 - A device for making glass wool : en ru
  • SU55956A1 - Spring dynamometer to determine the tension of the measuring wire in geodetic works : en ru
  • US2138091A - Heat transferring device : en
  • US2138777A - Refrigeration : en
  • SU56255A1 - Device for automatic control of mechanisms : en ru
  • SU55141A1 - Front cutter for mowers : en ru
  • DE668356C - Workpiece arrangement for counter-blow hammers working horizontally : de en
  • GB496472A - Improvements in apparatus for making interlocking members for sliding clasp fasteners : en
  • GB496247A - Improved process of sterilizing utensils and containers used in the dairy and foodstuffs industries : en
  • DE668338C - Coupling switch lock for a busbar coupling with compressed air drive, for example, consisting of several disconnectors and a circuit breaker : de en
  • GB496556A - Improvements in electrodes for electron discharge devices : en
  • FR834807A - Improvements in the assembly of brazed frames of two and three-seater cycles : en fr
  • GB496594A - Improvements relating to automatic weighing machines : en
  • FR834826A - Improvements in the protection of circuits and electrical devices against overvoltages : en fr
  • US2138635A - Illuminating fixture : en
  • SU56277A1 - The method of obtaining the drug for phosphating : en ru
  • PL27465B1 - Method of soldering ovens. : en pl
  • PL27486B1 - A magnetron system for producing very high frequency vibrations and a discharge lamp for use in this system. : en pl
  • SU54862A1 - Pressure gauge for well pressure measurement : en ru
  • SU55922A1 - The way to control the motion of circular finders : en ru
  • PL27428B1 - Make a moveable. : en pl
  • SU54460A1 - A device for angular grading of printing shafts of sittsepechatnyh machines : en ru
  • SU55095A1 - Forest sled : en ru
  • SU55991A1 - Device for algebraically summing angles of rotation of axes with unlimited rotation : en ru
  • SU56144A1 - Method of transmitting the vision of separately moving light points : en ru
  • US2138174A - Fruit and vegetable treating machine : en
  • US2138381A - Compounds of the anthrapyridine and anthrapyrimidine series : en
  • AU484737A - Process for manufacturing a confection coating having a butter scotch flavour : en
  • GB496219A - Improvements in, or relating to, spring suspensions for the fork-mounted wheels of pedal-cycles, motor-cycles and other vehicles : en
  • DE668494C - Circuit for point machines u. like : de en
  • FR834735A - Junction and stop connection for conductors or other cables and wires : en fr
  • GB496281A - Method for the manufacture of glass-tubing with a wall consisting of two or more different layers : en
  • US2138774A - Thread controller for sewing machines : en
  • DE668301C - Method and device for the continuous removal of volatile solvent from extraction residues : de en
  • AU162838A - Improvements relating to empty and load brakes : en
  • PL27513B1 - K4.-3 c, 3/01. "hia> 5 '/ 0 Zipper closure. : en pl
  • SU55477A1 - Contact starter : en ru
  • SU55639A1 - Instrument for demonstrating a decrease in fluid pressure to the bottom in the case of moving it along the bottom : en ru
  • US2138728A - Wrapping machine : en
  • CA377974A - Solvent and oil dewaxing process : en fr
  • SU54941A1 - A device for sampling rocks from the mud during drilling : en ru
  • SU55048A1 - Device for controlling the amount of water supplied to the boiler : en ru
  • SU55466A1 - Device for braking cars : en ru
  • SU55566A1 - Method of using flue dust as a binder during briquetting of silt ores : en ru
  • SU55600A1 - Device for increasing the traction force of a locomotive : en ru
  • US2138430A - Current indicator : en
  • US2138517A - Piano-action spring : en
  • SU54680A1 - Head to spindle for ballless yarn : en ru
  • SU55179A1 - Device for automatically stopping spinning, scutching and similar machines : en ru
  • SU55701A1 - Ball grinding device : en ru
  • SU56158A1 - Wire strapping machine : en ru
  • US2138495A - Box fastener machine : en
  • DE668201C - Brake field push-pull generator : de en
  • SU55976A1 - A method of making building materials, abrasive products, etc. based on masses with cement binder : en ru
  • USRE20932E - Art and apparatus for treating : en
  • GB496344A - Apparatus for the reduction of iron ores or the like : en
  • SU55711A1 - Periodic Demeterometer : en ru
  • SU55800A1 - A device for controlling the performance of reciprocating compressors : en ru
  • US2138377A - Elevating platform : en
  • CA377946A - Web cutting and rewinding machine : en fr
  • AU105899B2 - Improvements in cinematographic projection apparatus : en
  • CH201362A - Method and device for attaching a threaded metal body to an in particular plate-shaped object made of wood or another vegetable, animal or artificial substance, as well as a metal part attached to the object according to the method. : de en
  • SU54612A1 - Ruler for marking contours, in particular contour lines : en ru
  • SU54868A1 - Device for blowing products : en ru
  • SU55498A1 - Percussion instrument : en ru
  • US2138053A - Valve motion mechanism for locomotive engines : en
  • SU55049A1 - Multi-motor drive finishing textile machine : en ru
  • SU55083A1 - Circular Saw Blade : en ru
  • SU55140A1 - Device for a point of gramophone needles : en ru
  • SU55302A1 - Carburetor : en ru
  • US2138433A - Caster : en
  • CH201536A - Process for the preparation of a new ester. : de en
  • SU54760A1 - Cylinder internal grinding machine : en ru
  • SU55170A1 - Screw twin-rotor motor : en ru
  • SU56200A1 - Machine for edging logs for the manufacture of checkers : en ru
  • DE668474C - Crane girders : de en
  • US2138785A - Distributor signal for typographical machines : en
  • CH201407A - Equipment in connection with electrical consumers with interference protection devices. : de en
  • SU54634A1 - Ceramic insulation material : en ru
  • SU55320A1 - Checkout : en ru
  • SU55839A1 - The method of obtaining vat dyes : en ru
  • US2138665A - Microscope : en
  • CA377960A - Cigarette manufacture : en fr
  • SU54579A1 - Conveyor dryer for vegetables and various materials : en ru
  • SU55574A1 - Method for separating tanning substances from sulphite-cellulose liquors or from their concentrates : en ru
  • SU55622A1 - Water clarifier : en ru
  • SU56238A1 - Tomato Selection Machine : en ru
  • SU54400A1 - Coal or rock loading machine : en ru
  • SU55586A1 - Adapter for quick tool change during cable drilling : en ru
  • AU278038A - Improved horseshoe pad : en
  • CH201394A - Process for desludging rooms. : de en
  • CH201428A - Electric discharge tube for the optical display of voltages. : de en
  • PL27449B1 - Device for transferring cigarette tubes from a cigarette making machine. : en pl
  • SU55017A1 - Device for measuring the radii of curvature of concave spherical surfaces : en ru
  • US2138205A - Internal brake : en
  • CA377920A - Photo-tube manufacture : en fr
  • CH201475A - Overtaking signal system on motor vehicles. : de en
  • SU55133A1 - Round comb for stretch-out woolen cloth : en ru
  • SU55970A1 - Apparatus for making articles of paper pulp : en ru
  • US2138369A - Bilge drainer : en
  • PL27498B1 - The method of preparing plates for flat printing made of aluminum sheet. : en pl
  • SU54552A1 - Machine for simultaneous bending and hardening of spring leaves : en ru
  • SU54756A1 - Optical indicator : en ru
  • SU54766A1 - Regulator for internal combustion engines : en ru
  • SU55737A1 - The method of introducing fuel into the furnace for blast sublimation of phosphorus : en ru
  • US2138317A - Furnace conveyer chain : en
  • SU54670A1 - Weaving loom for making grating cloth : en ru
  • SU56194A1 - Flaw detection method : en ru
  • SU54393A1 - Gas generator for gasification of agricultural waste (for example, husks, straw) and other waste fuels : en ru
  • CH201476A - Device to avoid glare from strong light sources in night traffic. : de en
  • CA377987A - Photographic apparatus : en fr
  • US2138363A - Locomotive stoker : en
  • FR834691A - Advanced mechanical bed for sick or incapacitated person : en fr
  • FR834832A - Control device for mobile devices : en fr
  • SU54739A1 - Single rope grab : en ru
  • USD112355S - Design for a container punch : en
  • DE668440C - Firing grate for ovens and stoves with a scrubbing and purifying device : de en
  • SU54488A1 - Proper stove sheet heating furnaces : en ru
  • SU55321A1 - Tool for boring : en ru
  • US2138375A - Well cleaning system : en
  • US2138392A - Article of manufacture : en
  • US2138568A - Artificial cellulosic tubular structure : en
  • USRE20930E - Chaser ano chaser clamp : en
  • AU304938A - Improvement insetting shutter leaf rebound latch : en
  • CA377953A - Gasket : en fr
  • AU105901B2 - Improvements in and connected with hose fittings : en
  • SU54786A1 - Device for automatically switching off the size of a line : en ru
  • SU55282A1 - The method of transformation of transverse sound recording into intensive : en ru
  • SU54945A1 - Electric starter for starting engines of internal combustion : en ru
  • DE668224C - Process for the production of molding compounds : de en
  • DE668443C - Process for the production of oxygen baths by catalytic means : de en
  • CH201263A - Electric iron stand with automatic switch. : en fr
  • SU54405A1 - Method for producing methylene blue dye : en ru
  • SU55426A1 - The method of electrolytic cleaning of parts before galvanizing : en ru
  • SU54985A1 - Method and device for weighing loads on cranes : en ru
  • SU55762A1 - Apparatus for observing reciprocating movements and vibrations : en ru
  • CH201347A - Process for the preparation of alloys containing tantalum carbide. : en fr
  • US2138558A - Spark plug : en
  • DE668187C - Air jig : de en
  • SU54926A1 - Electric jackhammer : en ru
  • SU55495A1 - Circular saw blade for trimming off uncut boards : en ru
  • US2138226A - Aqueous dispersion of polymerized halogen-2-butadienes-1, 3 and process of preparingsame : en
  • US2138378A - Method and means of making striped rubber products : en
  • SU55400A1 - Reagent storage vessel and the like. : en ru
  • SU55686A1 - Permanent casting molds : en ru
  • SU55763A1 - Device for automatic local oscillator frequency control : en ru
  • US2138384A - Titanium pigments : en
  • CH201436A - Apparatus for measuring kinks and twists in legs and feet. : de en
  • AU462637A - Improvements in or relating to circuits for operating high-pressure mercury vapour lamps : en
  • US2138432A - Lace curtain and method of manufacturing the same : en
  • SU55026A1 - Contact element for cam switches : en ru
  • SU55366A1 - Oil no-pneumatic shock absorber : en ru
  • SU55519A1 - Motor Protection Device : en ru
  • SU55624A1 - A method of manufacturing a gravure printing plate for offset printing : en ru
  • US2138332A - Wrench : en
  • US2138533A - Direction signal for motor vehicles : en
  • US2138710A - Trim molding and method of making the same : en
  • AU200137A - A system for producing amplitude modulated carrier waves : en
  • PL27407B1 - A device for continuously embedding insulating discs, provided with cut-outs, on the conductor intended for the internal conductor of the co-centered cable, with the specified gaps between the individual discs. : en pl
  • SU54668A1 - Liquid piston rotary scroll compressor : en ru
  • SU55544A1 - The method of obtaining the juice of the fruit of the citrus family : en ru
  • SU55627A1 - Sulfur dioxide meter : en ru
  • SU55659A1 - Dialer : en ru
  • SU55751A1 - Dispenser column : en ru
  • US2138765A - Sewing machine work trimmer : en
  • CH201383A - Lubricating device for compressors, in particular rotary piston compressors. : de en
  • PL27384B1 - Lubricating device for axle bearings of vehicles running on rails. The patent depends on the patent No. 15224. : en pl
  • SU55827A1 - A device for injecting liquid fuel in multi-cylinder internal combustion engines : en ru
  • SU56061A1 - The adaptation to the cesspool tank intended for irrigation of streets with thick degassing liquid : en ru
  • SU54679A1 - Yarn Winding Machine : en ru
  • SU55296A1 - Water wheel : en ru
  • SU55099A1 - Method of making cotton filters : en ru
  • US2138446A - Valve : en
  • FR834792A - Liquid lifting device : en fr
  • CA377917A - Vacuum tube base : en fr
  • CH201252A - Container closure cap. : en fr
  • US2138241A - Sealed package : en
  • US2138254A - Dental correlator : en
  • USD112351S - Design for : en
  • SU55941A1 - Method for making black oil lacquers : en ru
  • SU55953A1 - Electromagnetic Vibrator : en ru
  • SU56142A1 - Telephone set with two terminal amplifiers, two differential transformers and one balanced circuit : en ru
  • USD112349S - Design for a textile fabric or : en
  • PL27473B1 - A method of producing ergot alkaloids. : en pl
  • SU56265A1 - Apparatus for determining the roughness of fabrics, paper, leather, etc. of materials : en ru
  • USD112328S - Design for a shoe ob similar article : en
  • USD112368S - Design fob a sock : en
  • SU54557A1 - Apparatus for cooling a turbogenerator : en ru
  • SU54861A1 - Kerosene system "Gretz" : en ru
  • SU55955A1 - Method of making paper capacitor : en ru
  • DE668392C - Door switch : de en
  • DE668498C - Intermediate frequency amplifier : de en
  • SU54412A1 - Method of preparing a sticky mass to kill flies : en ru
  • SU54787A1 - Hamilton pitch change mechanism : en ru
  • CH201511A - Process for the preparation of a quaternary aminobenzylacylamine. : de en
  • SU55061A1 - Color mixing device : en ru
  • SU56016A1 - Planting Machine for Tubing : en ru
  • SU55456A1 - X-ray Camera : en ru
  • AU40938A - Process forthe manufacture of sulphuric acid : en
  • GR7804B - SPRAYER IMPROVEMENTS. : el en
  • SU55621A1 - Method of charging oil (viscino) dust collectors : en ru
  • SU55851A1 - The method of obtaining aromatic oxaldehyde : en ru
  • US2138155A - Warp feeding and tensioning means : en
  • US2138454A - Apparatus for dispensing beverages : en
  • PL27435B1 - Device for emptying garbage from removable vessels. : en pl
  • SU56266A1 - Method for determining oil content in waxes : en ru
  • FR834768A - Exploration process for television tubes : en fr
  • SU55195A1 - The method of obtaining soda : en ru
  • DE668193C - Device for disengaging the drive of holding cylinder high-speed presses in the event of a faulty sheet feed : de en
  • FR834828A - Improvements to radio receivers : en fr
  • GB496300A - Improvements in and relating to hair curlers and wavers : en
  • SU55786A1 - The method of preparation of the catalyst for the conversion of carbon monoxide with steam : en ru
  • CH201395A - Starting device on internal combustion engines. : de en
  • US2138793A - Electrical repeating printing machine : en
  • FR834772A - Ignition plug : en fr
  • GB496600A - Improvements in the moulding of articles of rubber : en
  • FR49177E - Automatic switch : en fr
  • SU54843A1 - Sanding machine for pavements : en ru
  • SU56177A1 - Method for improving the structure of welded joints by heat treatment of joints : en ru
  • PL27468B1 - Automatic pistol. : en pl
  • US2138696A - Calking unit : en
  • CA378007A - Building construction : en fr
  • CH201447A - Hairdresser utensil. : en fr
  • CH201460A - Lighting system, which is also designed as a call system. : de en
  • DE668425C - Process for the production of troughs for slides, conveyor troughs, etc. like : de en
  • DE668447C - Mixing regulator : de en
  • DE668475C - Safety device for the engines of hoists : de en
  • GB496487A - Improvements in cabinets for sound reproducing instruments : en
  • SU54813A1 - The method of preparation intended for the preparation of ammonium paste minium from golet : en ru
  • SU55856A1 - Method and device for drying hydrohort : en ru
  • US2138257A - Grinding tool : en
  • US2138478A - Change-over assembly : en
  • US2138500A - Apparatus for the production of music : en
  • USD112356S - Design for a metal sprat gun : en
  • US2138498A - Can lifter : en
  • US2138678A - Combination of a chain, scraper, and conveyer : en
  • FR49159E - Improvements to signaling systems : en fr
  • GB496715A - Improvements in apparatus for purifying air, particularly applicable to respiratory masks : en
  • FR834798A - Improvements to secateurs : en fr
  • FR834717A - Camera with magazine for reel film : en fr
  • GB496461A - Improvements relating to loss of weight indicators for compressed fluid medium containers : en
  • DE668221C - Production of a powdery, durable intermediate product for confectionery preparation : de en
  • SU54694A1 - Safety and alarm device about the breakage of bolts of crank bearings of internal combustion engines : en ru
  • SU55303A1 - Adjusting to a pouring ladle to keep it in an inclined position : en ru
  • US2138273A - Baseball base : en
  • DE668390C - Electric gas switch : de en
  • SU54645A1 - Device for detecting defects in articles made of magnetic material : en ru
  • US2138588A - Garment : en
  • SU55673A1 - Apparatus for studying forces in tightened bolted joints : en ru
  • SU55978A1 - A device for determining the elastic force of the writing springs of a writing device in the track measuring carts of the Dolgov system : en ru
  • US2138668A - Telemetering system and apparatus : en
  • PL27518B1 - Ignition device for oxygen generating devices by thermal decomposition of chemical masses. : en pl
  • SU54724A1 - Method of disinfection of garbage chutes : en ru
  • SU54816A1 - Apparatus for preparing metallic barium, strontium and the like metals and alloys : en ru
  • US2138599A - Contact element : en
  • USD112396S - Design fob a dress : en
  • US2138598A - Automobile radio and communication system : en
  • SU55758A1 - Device for magnetic analysis of ferromagnetic materials : en ru
  • SU55982A1 - Trap separator : en ru
  • US2138176A - Resilient mounting for absorbing vibrations : en
  • SU54870A1 - Drive hammer for nailing : en ru
  • US2138313A - Riffle block : en
  • US2138362A - Electric cable and method of making same : en
  • US2138477A - Muffler : en
  • DE668401C - Emergency machine set fed with generator gas : de en
  • DE668254C - Electric machine with switchable winding parts, especially for switching motors for optional operation with direct or alternating current : de en
  • FR49193E - Improvements to compressors for file drawers : en fr
  • FR834848A - Advanced electrolytic device : en fr
  • SU55248A1 - The way to control the processes of chrome tanning : en ru
  • SU55661A1 - Current transformer : en ru
  • CA377997A - Pin tumbler lock : en fr
  • US2138356A - Weighing and filling apparatus and method : en
  • CA377940A - Gas purifying material : en fr
  • SU54556A1 - Device for protection of transformers with non-grounded neutral overvoltage : en ru
  • BE430880A - : en
  • CH201358A - Extrusion press for metals. : en fr
  • FR49197E - Method and device for combating rock dust : en fr
  • GB496592A - Improvements in buildings for rendering the same less liable to damage by air attack : en
  • DK55508C - Vodrulle. : da en
  • SU54594A1 - Airlift nozzle : en ru
  • SU55107A1 - Frame to ballast machine : en ru
  • US2138049A - Drying pigments : en
  • USD112361S - Design for a broom cover : en
  • SU54517A1 - The method of obtaining N-permuta : en ru
  • SU55815A1 - Device for checking the correct placement of the tops of the teeth in the saws : en ru
  • US2138006A - Rotary core drill : en
  • CH201416A - Remote switch. : de en
  • DE668415C - Line protection circuit that works according to the closed-circuit principle, with high-frequency transmitters and receivers at the ends of the line that can be influenced by them : de en
  • GB496474A - Improvements in fire-bridges for boiler furnaces : en
  • GB496308A - Improvements in or relating to mechanically operated bells or gongs : en
  • GB496354A - A process for the preparation of size solutions and size compositions containing salts of cellulose ether carboxylic acids as their essential constituent : en
  • SU54881A1 - Automatic machine for stuffing the slats to the elevator sheets of agricultural harvesting machines : en ru
  • SU55192A1 - Ingot rolling method : en ru
  • SU55429A1 - A device for controlling the exhaust gas additive to the fresh side of the internal combustion carburetor engines : en ru
  • US2138550A - Mixing apparatus : en
  • GB496310A - Improved ventilator : en
  • DE668189C - Method and device for the production of self-tie ties : de en
  • AU78238A - Method of and apparatus for building tires : en
  • DE668253C - Arrangement for the rapid excitation of direct current dynamos using a grid-controlled discharge vessel : de en
  • DE668376C - Dismountable discharge tubes, the discharge space of which is permanently connected to a pump : de en
  • SU54919A1 - Electromagnetic Pickup : en ru
  • SU55714A1 - Device for powering electromagnetic vibrators : en ru
  • US2138092A - Animal trap : en
  • US2138606A - Coil construction : en
  • US2138797A - Manufacture of iron : en
  • AU105840B2 - Improved circuit for the reception of stationary or moving pictures which is devised for the reception of line and picture impulses transmitted jointly with the picture currents : en
  • SU55125A1 - Device for converting direct current into alternating current : en ru
  • US2138212A - Windshield cleaner motor : en
  • US2138246A - Oil burner : en
  • SU54736A1 - Replaceable valve seat for internal combustion engines : en ru
  • FR834705A - Device for measuring power, preferably high frequency currents : en fr
  • DE668242C - Hydrolysis of titanium salt solutions : de en
  • CH201356A - Installation for wrapping welding electrodes. : en fr
  • SU55172A1 - Trash can : en ru
  • SU55177A1 - Tester for cylindrical and similar springs : en ru
  • SU55489A1 - Photoelectric colorimeter to determine the concentration of solutions : en ru
  • US2138345A - Pendulum locking device for clocks : en
  • SU55299A1 - Fluid sampling device : en ru
  • US2138127A - Propeller making : en
  • SU54397A1 - Coal Enrichment Device : en ru
  • US2138359A - Indicating device : en
  • FR49196E - Detachable nicotine retaining hearth pipe : en fr
  • PL27450B1 - Pressure reducing valve for drawing the heating steam from a steam engine or a wagon with a heating boiler. : en pl
  • SU55492A1 - Apparatus for cooling the casting molds of the wheel "linotype" : en ru
  • SU55796A1 - Electromagnetic valve distributor for steam and gas engines : en ru
  • US2138346A - Phonograph record shaving machine : en
  • CH201449A - Automatic, remote-controlled fire extinguishing device for rooms at risk of fire, as well as vehicles, aircraft, ships, etc. : de en
  • SU54621A1 - A device for transferring products from one conveyor to another, located perpendicularly to it : en ru
  • US2138024A - Altitude map : en
  • US2138545A - Traffic signal lens : en
  • SU55790A1 - Metal portable mount : en ru
  • GB496485A - Improvements in synchronizing signalling systems : en
  • DE668354C - Fluid flow transmission : de en
  • SU55111A1 - Distributor for stocker with steam and steam blower coal distribution : en ru
  • SU55715A1 - TV device : en ru
  • US2138658A - Driving means for spinning machines : en
  • US2138664A - Compressor and lubricating means : en
  • SU55867A1 - Method for producing casein plastics : en ru
  • US2138605A - Blood transfusion syringe : en
  • US2138693A - Contractible removable inner metal cell form : en
  • US2138528A - Method of forming a valve : en
  • US2138011A - Multiple row planter : en
  • US2138021A - Seed separator : en
  • DE668324C - Process for the production of pig iron from a Moeller that is particularly rich in silicic acid or sulfur : de en
  • DE668235C - Process for making durable lemonade powder : de en
  • PL27464B1 - A method of protecting sound organs and receiving and transmitting devices from the action of the wind and a windscreen to protect them in this way. : en pl
  • SU55919A1 - Auto Emergency Radio Station : en ru
  • SU53837A1 - Device for producing an electromagnetic field : en ru
  • US2138300A - Air nozzle for flat-spraying appliances : en
  • AU105871B2 - Improvements relating to railway traffic controlling apparatus : en
  • SU54485A1 - Auto Finisher for Finished Products : en ru
  • SU54914A1 - Device for monitoring products of x-ray radiation : en ru
  • DE668337C - Filter arrangement with rising or falling frequency characteristics : de en
  • DE668420C - Catch claw : de en
  • FR834682A - Manufacturing process of defined vitamin compounds : en fr
  • PL27470B1 - Trigger device for automatic firearms. : en pl
  • PL27472B1 - The method of lining furnaces with refractory bricks without mortar using sheet inserts. : en pl
  • SU54489A1 - Bar Needle Machine : en ru
  • CA377996A - Paper sheet pad : en fr
  • GB496536A - Improvements in and relating to safety apparatus for elevators : en
  • DE668477C - Device for preventing the bales from sticking together in balers with multiple ties : de en
  • BE430726A - : en fr
  • FI18297A - Method for preventing the development of small animals in bakery products : en fi
  • SU54421A1 - Device for counting electrical impulses : en ru
  • SU55019A1 - Device for automatic control of a pipe choke : en ru
  • SU55161A1 - Device for longitudinal compensation of inductive voltage drop of transmission lines : en ru
  • SU56101A1 - Bipirale Surface Tracer : en ru
  • CA378042A - Weighing machine : en fr
  • US2138365A - Culotte garment : en
  • SU55055A1 - The method of mass sorting of mica leaves by interference colors : en ru
  • SU54789A1 - Split wing with movable slat : en ru
  • DE668263C - Device for holding vegetables, fruits u. Like. When cutting and rubbing : de en
  • GB496469A - Distributor signal for typographical composing machines : en
  • GB496537A - Improved method of, and means for, casting engine and like cylinders : en
  • US2138712A - Manufacture of sponge articles : en
  • FR834710A - Improvements to bags, and other similar packaging, provided with handles : en fr
  • DE668336C - Circuit arrangement for amplifying current surges : de en
  • PL27439B1 - A method of producing from weakly bloating solids with a highly porous structure and an apparatus for using the method. : en pl
  • SU54527A1 - Handheld device for rolling out the headstock bearing of lathes and similar machines : en ru
  • SU54709A1 - The method of obtaining acetic acid from wood powder : en ru
  • SU55612A1 - The method of cleaning alcohols and their mixtures : en ru
  • US2138434A - Fermentation process and product : en
  • FR834759A - Acid-resistant sheet metal receptacles, in particular cans and the like, and process for their manufacture : en fr
  • CA377956A - Calculating machine : en fr
  • PL27397B1 - • lth 34 t, 14/10, Kitchen tray cover for washing up with shower attachment. : en pl
  • AU106041B2 - Improvements in or relating to electrical time base circuits : en
  • GB496441A - Improvements in or relating to wire connectors : en
  • PL27404B1 - The method of supplying transverse wires in machines for the production of wire meshes with longitudinal and transverse wires electrically welded at intersections, and a device for performing this method. : en pl
  • PL27493B1 - Klr39-arró / ozr— An elastic fabric, a method of its production and a method of making this fabric from a material consisting of several layers. : en pl
  • DE668387C - Process for the preparation of 1, 2, 3-substituted 4-acyl-5-pyrazolones : de en
  • CH201509A - Process for the preparation of a quaternary aminobenzylacylamine. : de en
  • AU492237A - Improvements in full circle tyre retreading moulds : en
  • GB496403A - An improved hand truck or barrow : en
  • AU106123B2 - Process for manufacturing a confection coating having a butter scotch flavour : en
  • AU101838A - Improvements in or relating to mercury cathodes for use in electrolysis : en
  • CH201321A - Measuring device for determining the gravitational acceleration of the earth. : de en
  • PL27394B1 - Spring clutch. : en pl
  • SU55316A1 - Wide-mower tractor mower : en ru
  • SU56179A1 - Device for monitoring the temperature of the AC windings : en ru
  • US2138016A - Process for the production of a nitrate and chlorine : en
  • SU54381A1 - The method of replacing the stabilizer in beta-alumina : en ru
  • SU54682A1 - Self-lubricating piston : en ru
  • SU55043A1 - Device for mounting and dismounting cylinders : en ru
  • SU55397A1 - A method of manufacturing sound insulating cardboard : en ru
  • SU55726A1 - Feeding device to sawmill rates : en ru
  • US2138223A - Polymethine dyes : en
  • US2138729A - Process of alloying metals with lead : en
  • US2138772A - Solvent refining of hydrocarbon oils : en
  • SU54404A1 - The method of extraction of iodine and bromine from drilling and similar waters : en ru
  • SU54666A1 - A device for pumping water fecal matter, etc. : en ru
  • SU55683A1 - Method of making concrete, brick, wood and other structures impermeable to water, petroleum products and other liquids : en ru
  • SU56211A1 - Pistol-Spitza : en ru
  • DE668411C - Weft search device for looms : de en
  • DE668454C - Process for the production of galvanic deposits on objects made of aluminum and aluminum alloys : de en
  • SU54949A1 - Device for automatic rotary drilling : en ru
  • SU55365A1 - Laboratory Electromagnetic Separator : en ru
  • SU56223A1 - Device for the condensation of phosphorus vapors : en ru
  • US2138325A - Process of making neutral sized paper : en
  • AU105890B2 - Two-stroke internal combustion engine : en
  • CH201517A - Process for the preparation of a solid diazonium salt. : de en
  • CH201453A - Device for the transmission of two messages from different communication devices. : de en
  • AU499037A - Improvements in or relating to sparking plugs : en
  • CA377921A - Radio receiver : en fr
  • CA378019A - Ash tray : en fr
  • US2138224A - Method of sealing electrical conductors into vitreous envelopes : en
  • CH201315A - Leveling machine for guns with self-locking fine drive and quick drive. : de en
  • CH201482A - Pressure medium braking device for trailer vehicles. : de en
  • AU105836B2 - An improved method of and means for illuminating the bumper bars of vehicles : en
  • DE749257C - Process for the production of water-soluble dyes of the anthraquinone series : de en
  • CH201324A - Shaking stand for shaking testing of objects, in particular small machines assembled ready for use. : de en
  • CH201289A - Process for the preparation of an anthraquinone dye. : de en
  • SU55220A1 - Device for automatic control of pulp density of a mechanical classifier when operating in a closed loop with a ball or rod mill : en ru
  • SU55705A1 - Instrument for determining humidity, preferably soil : en ru
  • SU54603A1 - Device for hanging the hoist cage to the cable : en ru
  • CA377912A - Bleached pepper product : en fr
  • CH201236A - Economizer device for stoves and stoves. : en fr
  • CH201283A - Process for the production of alkali aluminates. : de en
  • CH201377A - Device for closing lines. : de en
  • CH201484A - Wheel hub, in particular bicycle hub. : de en
  • CA377924A - Bottle closure : en fr
  • DE668223C - Device for single and multi-daylight presses, especially for the production of pulp plates, for pulling in and out of the screen cloth o. : de en
  • DE668298C - Economy circuit for a heating control in standby railroad cars : de en
  • FR49157E - Oil-cut rotary type switch : en fr
  • CH201270A - Base for footwear and method of manufacturing the same. : de en
  • AU171238A - Improvements inthe manufacture of magnetic materials suitable forthe cores of inductors of low dissipation : en
  • AU506637A - Improvements in or relating to electrical time base circuits : en
  • CA378033A - Heavy water : en fr
  • CH201317A - Combined closing and percussion device for automatic firearms. : en fr
  • DE668245C - Device for aligning the paper roller with respect to the type stop on typewriters : de en
  • GB496381A - Improvement in dart flights : en
  • GB496447A - Improvements in or relating to the noiseless return of typewriter carriages : en
  • FR834734A - Combination lounge chair : en fr
  • GB496493A - Improvements in duplicating machines : en
  • DE668225C - Storage of the transverse spring, arranged in a box-shaped cross member, of a front swing axle in motor vehicles : de en
  • CH201445A - Spray. : en fr
  • PL27382B1 - A device for causing explosions of mines scattered in the area of hostilities. : en pl
  • SU55682A1 - Self-locking mold : en ru
  • CA377933A - Electrical connector : en fr
  • GR7816B - INCLINING ELECTRIC LAMP WITH OPERATING PRESSURE NOW OF AN ATMOSPHERE. : el en
  • CH201481A - Fastening device for frost protection windows. : de en
  • US2138320A - Roofing : en
  • US2138611A - Refrigerating apparatus : en
  • USD112340S - Design for a textile fabric or : en
  • PL27370B1 - Device for extracting a drilling tool, lost or broken during drilling, from a borehole. : en pl
  • PL27419B1 - The method of execution of the drainage channel in the bodies of the draw-off valves. : en pl
  • SU54618A1 - The method of repair of hollow cast metal blocks : en ru
  • US2138487A - Adjustable pitch propeller : en
  • US2138734A - Composite surfacing material : en
  • SU55059A1 - Instrument for measuring small displacements : en ru
  • DE668399C - Method and device for roughening hats, caps and other goods made of hair-thin materials, especially angora wool : de en
  • SU55382A1 - Device for igniting the working mixture in internal combustion engines : en ru
  • SU55467A1 - Threading comb : en ru
  • DE668360C - Cinema playback device with rewind device : de en
  • GB496331A - An improved manufacture of a lubricating grease : en
  • GB496402A - Improvements in tinning apparatus : en
  • GB496290A - A process for the manufacture of alkene trithiocarbonates : en
  • GB496297A - Improvements in or relating to pressure reducing valves : en
  • GB496714A - Tipping vehicles : en
  • DE668186C - Process for breaking down a chemically uniform powder consisting of particles of different sizes according to the particle size by centrifugation : de en
  • DE668292C - Pedal control device for aircraft : de en
  • DE668230C - Device for surface hardening of rotating shafts : de en
  • GB496432A - Improvements in and relating to electric control transformers : en
  • GB496621A - Improvements in and relating to rotary rock boring tools : en
  • SU55115A1 - Globoidal worm gear : en ru
  • US2138502A - End supporting bracket for a venetian blind head bracket : en
  • DE668467C - Process for the continuous extraction of ammonium bicarbonate in the form of crystals of uniform, coarse grain : de en
  • GB496373A - Balanced gear pump also capable of operating as a motor : en
  • AU105852B2 - Improvements in translucent photoelectric surfaces for discharge tubes andin. nonconductive mosaic bases for said surfaces : en
  • SU54925A1 - Device for extinguishing the arc in the switches : en ru
  • SU54983A1 - Chipper : en ru
  • SU55338A1 - Mobile Scraper Loader : en ru
  • SU56204A1 - Additional electro-pneumatic device to the brake : en ru
  • DE668370C - Rifle grenade : de en
  • SU54307A1 - Device for closing the cupola bottom : en ru
  • SU54411A1 - The method of preparation of tannid preparations for baths : en ru
  • SU54432A1 - Ship steering wheel : en ru
  • USD112336S - Design fob a character doll or : en
  • DE668323C - Device for removing the filter cake from rotary drum filters : de en
  • GB496505A - Inspection aperture cover : en
  • ES144196A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BARRIERS, SUCH AS DEVICES, BALLS, RAMS, BREAKERS AND SIMILAR CONSTRUCTIONS, WITH ESSENTIALLY VERTICAL WALLS : en es
  • GB496622A - An improved oil-cooled internal combustion engine power unit for motor vehicles and especially motor cycles : en
  • DK55510C - Method for surface treatment of metal objects. : da en
  • DE668261C - Method of manufacturing corrugated wire glass : de en
  • SU55008A1 - Hermetic termination for concentric communication cable : en ru
  • SU55946A1 - Adaptation to the hydraulic valve to extinguish the flame : en ru
  • SU56044A1 - The method of obtaining artificial resin : en ru
  • FR49169E - Valve refinements : en fr
  • SU54360A1 - Method of making thermal insulation of pipelines : en ru
  • SU55725A1 - Mold for reed and similar plates : en ru
  • SU55887A1 - Elastic band for vacuum filters : en ru
  • SU54616A1 - Safety device to prevent water hammer in steam turbines : en ru
  • US2138128A - Burner : en
  • US2138326A - Flying machine : en
  • SU54478A1 - Device for loading and unloading Hoffman furnaces : en ru
  • US2138059A - Photographic camera : en
  • US2138189A - Ventilating skylight : en
  • GR7802B - PAPER TYPE. : el en
  • SU55505A1 - Spool-type distributor for air hammer : en ru
  • PL27403B1 - Device for sealing the lock of a firearm. : en pl
  • SU54986A1 - Method and device for isolating and trapping turpentine tailings from rosin : en ru
  • SU55222A1 - Foot for piercing machine for sewing the sole with closed rice : en ru
  • SU55896A1 - Device for continuous sterilization of molasses and its solutions in alcohol production : en ru
  • GB496628A - Improvements in weather-excluding strips for pivoted steel windows : en
  • GB496811A - Improvements in methods of regulating vapour arc converters : en
  • FR834785A - Lever block for electric control of railway signals and points : en fr
  • BE430561A - : en
  • FR834678A - Method and device for obtaining color motion pictures : en fr
  • DE668233C - Device for electrical welding of pipes : de en
  • AU349437A - Improvements in or relating to apparatus for making strip wound magnetic cores : en
  • FR834825A - Improvements in plastic stereotyping and stereotyping processes thus obtained : en fr
  • SU54402A1 - Peeling bucket : en ru
  • SU54695A1 - Buttonhole Cutter : en ru
  • SU55327A1 - Tea packaging machine and similar bulk materials : en ru
  • SU55394A1 - Electrolyzer for aluminum production : en ru
  • SU55901A1 - Method of making textolates : en ru
  • SU54532A1 - Light here abdominal mirror : en ru
  • SU55619A1 - Mobile bath for electrolytic coatings : en ru
  • SU56146A1 - Self-excited tube generator : en ru
  • FR834658A - Improvements to pumps, boosters and vane compressors : en fr
  • US2138742A - Measuring device : en
  • SU54883A1 - Method of making vatochnoy acid : en ru
  • SU56227A1 - Device for the determination of soil washout in field conditions, made in the form of a tray : en ru
  • SU55950A1 - Crane lapping machine : en ru
  • US2138333A - Drying apparatus : en
  • US2138480A - Registering and recording mechanism : en
  • SU54468A1 - Suction pipe for gasoline engines : en ru
  • SU55376A1 - Method for determining current strength and resistance in closed circuits : en ru
  • SU55817A1 - Hatching machine for haberdashery : en ru
  • SU55863A1 - Cross elevator : en ru
  • US2138799A - Mineral fusion product and process of making same : en
  • DE668366C - Tin can with a lever : de en
  • FR834665A - Improvements to devices for supporting and moving jacks and lifting devices : en fr
  • GB496562A - Improvements in last-slice holders of slicing-machines : en
  • GB496332A - Improvements in or relating to excavators or cranes : en
  • SU55381A1 - A method of balancing inertial forces and moments in a four-cylinder two-stroke engine with cylinders arranged in one row and with cranks at a right angle : en ru
  • US2138759A - Dyestuffs of the anthracene series and a process of preparing them : en
  • DK55504C - Electrode with Carbon Layer for Electric Discharge Tubes and Procedure for Its Manufacture. : da en
  • US2138240A - Drying apparatus : en
  • SU54753A1 - High Voltage Switchgear : en ru
  • SU54382A1 - The method of producing alkyl mercurphosphates : en ru
  • SU54702A1 - Vibrator : en ru
  • SU54996A1 - Crusher, mainly for selective crushing : en ru
  • SU56032A1 - The method of determining the axial pressure of the working medium on the impeller of the hydraulic mechanism : en ru
  • DE668289C - Theater with a rotating stage partially protruding into the auditorium and partially inserted into a fixed base stage : de en
  • SU54692A1 - Magnetoelectric vibrator for oscilloscope : en ru
  • SU55980A1 - Device for the continuous supply of stems in the m-flap machine : en ru
  • DE668276C - Production of fire extinguishing foam : de en
  • US2138038A - Charge forming device : en
  • USD112337S - Design fob a shoe or similar article : en
  • GB496396A - Improvements in and relating to pipe joints : en
  • CA378025A - Turbine : en fr
  • SU54364A1 - Method of copying numeric and alphabetic data from wagons : en ru
  • US2138685A - Refrigerating apparatus : en
  • SU54438A1 - Mixing machine mainly for the preparation of mixtures of : en ru
  • SU54587A1 - Termite mixture to maintain the profitable part of the ingot in the liquid state : en ru
  • CH201392A - Electric motor starting device of internal combustion engine. : en fr
  • US2138239A - Self-propelled implement : en
  • US2138544A - Poultry fountain cage : en
  • AU205838A - Temperature compensated indicating instrument : en
  • CH201296A - Water filtration system with automatic filter cleaning. : de en
  • US2138272A - Bowling card game : en
  • DE668478C - Means to fight the big brown trunk beetle : de en
  • CH201280A - Electrode. : de en
  • CH201278A - Filter nozzle. : de en
  • CH201458A - Procedure for voting control of wireless technology receivers. : de en
  • SU54474A1 - Apparatus for determining the amount of wood pulp or cellulose in liquid streams : en ru
  • SU54977A1 - Method of making fuel briquettes : en ru
  • SU56240A1 - A method of manufacturing resonant decks of kl l and piano : en ru
  • SU54769A1 - Solomotr with dl combines and similar machines : en ru
  • US2138694A - Automatic hay hook : en
  • AU512538A - Improvements in or relating to looms with stationary weft supplies : en
  • SU54658A1 - Explosion-proof electric lamp : en ru
  • SU55679A1 - Ammonia gas blueprint machine : en ru
  • SU56089A1 - Caramel wrapping machine, etc. : en ru
  • SU55842A1 - Method for producing formic acid amide : en ru
  • SU55355A1 - Vibration Classifier : en ru
  • SU55413A1 - Electrolyzer for aluminum and other light metals and alloys : en ru
  • SU55582A1 - Machine for bending sheet metal blanks into an arc of variable cross section and different curvature along the length : en ru
  • SU55730A1 - Method of making electrical resistances : en ru
  • SU56248A1 - Device for testing elements of wood, reinforced concrete and metal structures : en ru
  • US2138335A - Control of electric discharge tubes : en
  • AU105866B2 - Improvements in or relating to change speed devices and liquid dispensing apparatus employing said change speed device : en
  • SU56013A1 - Paper Machine Mesh Machine : en ru
  • DE668273C - Butt joint for thick-walled pressure vessels with a curved surface by welding : de en
  • FR834711A - Multi-electrode electrolytic capacitor : en fr
  • GB496519A - Improvements in couplings for lubricating apparatus : en
  • GB496651A - Improvements in and relating to x-ray apparatus : en
  • PL27425B1 - Toughened sheet of plain or mirror glass, a method of its production and a device for carrying out this method. : en pl
  • SU55074A1 - Device for automatic loading of bulk or liquid materials : en ru
  • SU55279A1 - Device for controlling the pressure of the end of compression in rotary compressors : en ru
  • GB496652A - Process for the manufacture of vat dyestuffs of the anthraquinoneacridone series : en
  • SU56039A1 - A method of manufacturing a cermet solid refractory alloy : en ru
  • FR49172E - Improvements to planetary transmissions with multiple gear ratios : en fr
  • GB496484A - Portable electric drills and the like : en
  • GB496879A - Improved manufacture of azo-dyestuffs : en
  • AU494537A - F" Improvements relating to magnetically-operated electric switches : en
  • SU55145A1 - Two-stroke internal combustion engine with purge through the piston from the crank chamber : en ru
  • SU54644A1 - Voluminometer to determine the specific gravity of solids : en ru
  • SU55018A1 - Spot welding machine : en ru
  • US2138441A - Window shade : en
  • US2138473A - Nut-cracking machine : en
  • US2138589A - Display and dispensing box : en
  • SU55652A1 - Involute drawing tool : en ru
  • US2138521A - Door operating device : en
  • CH201214A - Dowels for connecting members of wooden structures. : de en
  • US2138110A - Recording mechanism : en
  • US2138514A - Catch : en
  • US2138654A - Pressure equalizing arrangement for reciprocating pumps : en
  • US2138795A - Composition suitable for dentures and process of preparing same : en
  • AU105844B2 - Improvements in baking tins : en
  • BE430747A - : en fr
  • SU54934A1 - Wash-type tool for heating liquids in closed vessels : en ru
  • CH201429A - Self-induction in variometer design for the coordination of oscillation circles. : de en
  • DE668407C - Process for the production of artificial sausage casings or the like. : de en
  • DE668485C - Clothing, especially men's trousers : de en
  • GB496325A - Improvements in street-lighting or like fittings : en
  • DE668310C - Solder for metal parts of vacuum vessels, especially electric light bulbs, discharge lamps and mercury vapor rectifiers : de en
  • DE668505C - Speed controller, especially for electric motors : de en
  • CH201273A - Cutting device for meat and sausage products. : de en
  • SU54375A1 - Device for synchronous transmission of angles of rotation : en ru
  • SU54759A1 - Metal pipe bending machine : en ru
  • SU54990A1 - Machine for cleaning, blanching and stuffing pepper : en ru
  • SU55039A1 - Clutch : en ru
  • SU55767A1 - Stamping press : en ru
  • PL27467B1 - Impact device for mechanical hammers, especially for pile drivers. : en pl
  • SU55681A1 - Method for accelerating drying of ceramic clay products : en ru
  • SU55813A1 - A method of manufacturing the basics of shoes : en ru
  • SU54849A1 - Tool for splitting chips by grade : en ru
  • SU54928A1 - Machine for dividing ridges : en ru
  • SU55929A1 - Strobe advertising device : en ru
  • US2138791A - Furnace control system : en
  • FR834829A - temperature exchanger with improvements to these devices and to the elements or plates composing them : en fr
  • GB496359A - Improvements in or relating to inner tubes for pneumatic tires : en
  • PL27487B1 - A motor vehicle with at least three axles. : en pl
  • SU54841A1 - Method for separating epidermis from wool : en ru
  • SU55623A1 - Kneader Chan for Halwa Production : en ru
  • CH201255A - Device for holding bobbins on spindles. : de en
  • AU437837A - Improvements in or relating to horizontally sliding windows and doors : en
  • SU54483A1 - Plastering machine : en ru
  • US2138492A - Adjustable hemmer attachment for sewing machines : en
  • SU55029A1 - Ladova wire : en ru
  • US2138051A - Means for treating liquids : en
  • US2138113A - Onium-methyl benzenes : en
  • DE668359C - Cinema recorder and cassette : de en
  • CH201238A - Floor processing machine equipped with a dust extractor. : de en
  • PL27479B1 - A method of treating paper, cardboard, fabric or similar materials to make them impervious to water and grease. : en pl
  • SU55092A1 - Machine with circular saws located in vertical and horizontal planes for cutting out paving blocks from arrays : en ru
  • SU55799A1 - Perspective Drawing Device : en ru
  • SU56245A1 - A method of manufacturing solid metal-ceramic alloys with a complex carbide component : en ru
  • US2138136A - Axle suspension for vehicles : en
  • SU55775A1 - The method of obtaining aluminum fluoride : en ru
  • CH201386A - Liquid ring impeller pump for gaseous media. : de en
  • SU55593A1 - Antiparasitic antenna : en ru
  • SU56055A1 - Instrument for determining the thickness of a layer applied to a metal product : en ru
  • AU105870B2 - Improvements in or relating to horizontally sliding windows and doors : en
  • CH201469A - Bucket elevator. : de en
  • AU105856B2 - Improvements in or relating to cathode ray tubes andthe like : en
  • PL27454B1 - Door lock. : en pl
  • SU54605A1 - Brake track device for wagons : en ru
  • SU55297A1 - Head injector : en ru
  • SU55979A1 - Mining harvester for driving workings on soft rocks : en ru
  • US2138349A - Method and apparatus for aerating sewage : en
  • AU105888B2 - Improved method of and apparatus forthe production of coiled hanks of wire : en
  • FR834786A - Improvements to advertising devices : en fr
  • AU172238A - Improved gear shift mechanism for motor vehicles : en
  • DE668195C - Process for the production of burned converter floors : de en
  • CA378053A - Sulphonated oil product : en fr
  • SU54472A1 - Folding bracket for Kirchner stretching : en ru
  • US2138008A - Amusement device : en
  • PL27366B1 - Heating or cooling device with automatic temperature control of more rooms from a central place, especially to railway cars. : en pl
  • SU55745A1 - Rolling sprinkler : en ru
  • SU55823A1 - A device for distributing steam by blowing coal into a steam locomotive : en ru
  • SU55939A1 - Method and instrument for gas analysis : en ru
  • US2138140A - Coating compositions and method of producing : en
  • US2138720A - Sadiron sole plate and method of making : en
  • SU55075A1 - Machine for boring holes : en ru
  • US2138700A - Container : en
  • USRE20931E - Polymerization of gases : en
  • AU391837A - Improvements in or relating in aircraft flight indicators : en
  • FR834699A - Closing device for packaging of powdery or granular materials : en fr
  • FR834748A - Process for removing interesting hydrocarbons from gasoline and heavy gasoline : en fr
  • GB496591A - Improvements relating to means for reversing the movements of hydraulically operatedmachine tool slides : en
  • GB496939A - Improvements in or relating to electron multipliers : en
  • SU55137A1 - Rotating heating drum furnace : en ru
  • SU56108A1 - Method for making phenolaldehyde resins : en ru
  • CA377930A - Wheel aligner : en fr
  • SU54504A1 - Button Grinding Machine : en ru
  • SU54997A1 - Air humidifier : en ru
  • SU55041A1 - Brake device : en ru
  • AU441037A - An improved retention device for collars for personal wear : en
  • CH201427A - Electron Multiplication Tube. : de en
  • CH201408A - Shaft seal for the housing of electrical machines or apparatus. : de en
  • CH201256A - Creel. : de en
  • SU54454A1 - Device for draining loess soils : en ru
  • SU54550A1 - Multi-blade ship propulsion unit : en ru
  • SU54958A1 - The method of obtaining the varnish : en ru
  • SU55301A1 - Escalator drive : en ru
  • CH201301A - Easel file. : de en
  • CH201257A - Loom with guide arranged in the shed for the weft thread insertion means. : de en
  • CH201455A - Modulation device with dry rectifiers for alternating current telegraphy. : de en
  • SU55160A1 - Steam electric generator : en ru
  • US2138085A - Portable composite floor : en
  • AU105864B2 - Temperature compensated indicating instrument : en
  • DE668183C - Gas knife valve : de en
  • CA377938A - X-ray tube stand : en fr
  • CA378018A - Wiring device : en fr
  • CH201425A - Infinitely variable choke coil. : de en
  • CH201446A - Helmet for drying the hair. : en fr
  • SU55491A1 - Apparatus for determining the content of dust in gases, for example, in the blast furnace gases of blast furnaces : en ru
  • SU55696A1 - Internal combustion pump with direct effect of combustion products on the feed liquid : en ru
  • SU56109A1 - Machine for chopping and cleaning nuts : en ru
  • SU54915A1 - Tension clamp for wire or support cable : en ru
  • SU55252A1 - Book Printing Machine for the Blind : en ru
  • SU55693A1 - Transport gas generator : en ru
  • US2138003A - Safe dial : en
  • US2138527A - Variable pressure apparatus : en
  • US2138057A - Method and apparatus for testing wells : en
  • US2138458A - Process for improving the fastness of substantive dyeings : en
  • US2138569A - Well packer : en
  • SU54406A1 - Method for producing an iron catalyst for ammonia synthesis : en ru
  • SU54984A1 - The method of obtaining ski ointment : en ru
  • US2138284A - Circuit breaker : en
  • CH201211A - Tool for pruning vines and trees. : en fr
  • GB496605A - Improvements in and relating to wet electrolytic condensers : en
  • GB496606A - Improvements relating to zeroising means for totalising apparatus : en
  • AU499237A - Improvements in means for maintaining tension in power transmitting chains of wheeled agricultural implements : en
  • PL27415B1 - The method of producing an acid-resistant binder. : en pl
  • SU54450A1 - Device for dielectrics dielectrics : en ru
  • SU54502A1 - Device for measuring grinded stepped shafts on a machine running : en ru
  • SU54519A1 - Method for determining reactivity of formalin with respect to phenols : en ru
  • SU53924A1 - Operator crane : en ru
  • US2138214A - Process for the production of precipitated sulphur : en
  • USD112385S - Design for a bottle : en
  • SU54566A1 - Wood rejection method : en ru
  • US2138004A - Method of making a play ball slug : en
  • AU139138A - Improvements in encasements for treating fractures andthe like : en
  • CA377910A - Frequency determining means : en fr
  • CA377993A - Camera shutter rebound stop : en fr
  • CH201231A - Continuous fire stove comprising a boiler. : en fr
  • CH201293A - Motor fuel. : de en
  • CA378044A - Springless faucet and valve : en fr
  • BE430599A - : en fr
  • CH201526A - Process for the preparation of a metal-containing trisazo dye. : de en
  • CA378045A - Spectacles case clasp : en fr
  • CA377994A - Film magazine core locking device : en fr
  • CH201305A - Cinema camera. : de en
  • CH201477A - Motor vehicle with driving wheels with independent suspensions. : en fr
  • DE668199C - Electric route signal box : de en
  • DK55500C - Electrical Installation Element. : da en
  • GB496422A - An improved method of and apparatus for the selective remote control of operations : en
  • PL27381B1 - production of water-soluble condensation products of phenolic compounds. : en pl
  • CA377941A - Surfacing material applying device : en fr
  • CH201339A - Watch box. : en fr
  • CA377964A - Pothead : en fr
  • SU54564A1 - Device for determining the size of wheelsets of railway rolling stock : en ru
  • SU55889A1 - Tensile testing machine : en ru
  • SU55908A1 - Method and device for the combined production of yellow phosphorus and power gas : en ru
  • US2138120A - Incineration : en
  • US2138323A - Accelerated break circuit interrupter : en
  • US2138129A - Clutch : en
  • CA377925A - Cold wrought tee and fitting production : en fr
  • SU55584A1 - The method of fixing the gas exhausting openings during underground gasification of coal : en ru
  • US2138782A - Vertical bumper : en
  • SU55077A1 - Saw gin : en ru
  • SU55427A1 - Radio receiver with anti-parasitic antenna : en ru
  • SU55610A1 - The method of obtaining artificial resin : en ru
  • US2138444A - Electron discharge device : en
  • SU55032A1 - Device for signaling the combustion of fuses : en ru
  • SU56140A1 - The method of simultaneous transmission of vision and sound : en ru
  • AU220738A - Improvement inbox element multiplier : en
  • DE667405C - Arrangement for the regulation of the effective electron passage opening for an image decomposition tube : de en
  • SU55417A1 - Device for stripping stalks of cattails, etc. : en ru
  • SU55315A1 - Apparatus for making hollow or polystyrene brick : en ru
  • SU55442A1 - Nozzle for Kauperovsky device : en ru
  • US2138307A - Bomb sight : en
  • CH201310A - Process for the production of written and commercial images by photographic means. : de en
  • CH201439A - Process for the preparation of a furancarboxylic acid ester. : de en
  • GB496455A - Method and means for applying a covering to an edge-reinforcing core, particularly a tyre bead core : en
  • FR834706A - Process for the manufacture of seamless metal tubes and means for its production : en fr
  • US2138234A - Projectile fuse : en
  • US2138337A - Accounting machine : en
  • DE668321C - Drafting system : de en
  • SU55528A1 - Method of deposition of a solid layer of soft metals : en ru
  • SU56209A1 - The method of obtaining Portland cement : en ru
  • CH201304A - Hand stamp. : de en
  • AU426237A - Improvements in or relating to walland like plugs : en
  • CA377959A - Tannic acid aqueous solution : en fr
  • CH201432A - Electric glow rod. : de en
  • CH201426A - Wave filter. : de en
  • SU55298A1 - Seeding : en ru
  • SU55903A1 - Method of obtaining solid high molecular weight alcohols from sperm whale fat : en ru
  • SU55712A1 - Cathode transmitting television tube : en ru
  • US2138483A - Electric motor : en
  • AU105879B2 - Improvements in or relating in aircraft flight indicators : en
  • SU55128A1 - Electric regulator : en ru
  • SU55458A1 - Serial X-ray camera : en ru
  • US2138509A - Multiple control switch : en
  • PL27363B1 - Tracked vehicle. : en pl
  • SU55064A1 - Mixer for vessel with emulsion : en ru
  • AU105895B2 - Improvements inthe manufacture of magnetic materials suitable forthe cores of inductors of low dissipation : en
  • CA378041A - Time fuse : en fr
  • SU55966A1 - Method for the oxidation of aluminum, copper or copper-aluminum alloys : en ru
  • DK55519C - Cat's eye. : da en
  • US2138686A - Intermittent absorption refrigerating apparatus : en
  • US2138806A - Germicidal detergent : en
  • CH201253A - Apparatus for placing ready-formed, viscoplastic closure caps on bottle mouths. : de en
  • GB496424A - Improvements in sound films and recording processes and apparatus therefor : en
  • CA377985A - Spring front camera : en fr
  • CH201485A - Wheel tires. : de en
  • FR49153E - Method for tracing the air gap sides of electromagnets : en fr
  • GB496275A - Improvements in and relating to the tuning of radio receivers : en
  • GB496283A - Improvements in or relating to methods of and means for carburetting motor fuels : en
  • GB496544A - Improvements in or relating to alternating current relays : en
  • SU54466A1 - Plug box : en ru
  • US2138221A - Shuttle for automatic looms : en
  • CH201434A - Lighting device. : de en
  • SU54884A1 - Device for opening cans : en ru
  • SU55105A1 - Screw press : en ru
  • SU55375A1 - Device for reversing control of a three-phase asynchronous motor : en ru
  • SU55319A1 - A tutorial for graphing the derivative of a function according to a given schedule : en ru
  • SU55465A1 - Device for automatically feeding a brake shoe on the rail : en ru
  • US2138541A - Process for converting hydrocarbons : en
  • USD112338S - Design for a textile fabric : en
  • PL27517B1 - Rubber mat, e.g. for covering the floor. : en pl
  • SU55847A1 - Shutter for elastic mouths : en ru
  • CA378036A - Hose clamp : en fr
  • SU54744A1 - Safety and alarm systems for the lubrication system of internal combustion engines : en ru
  • SU55354A1 - Straight Kenotron : en ru
  • US2138222A - Means for folding collar corners : en
  • USD112386S - Design fob a spectacle frame : en
  • USD112410S - Design for a combined photographic : en
  • CH201451A - Threaded connection for respiratory protection filter. : de en
  • CH201226A - Apparatus for clearing blockages in drains of sanitary installations. : de en
  • SU54815A1 - Method for trapping coriander essential oil dissolved and emulsified in water : en ru
  • CA377968A - Modulating system for short waves : en fr
  • SU54809A1 - Press for the manufacture of pipes and rods of molten metal : en ru
  • SU55389A1 - Chlorination of magnesium oxide : en ru
  • SU55003A1 - Screw head : en ru
  • SU55536A1 - Portable Drilling Device : en ru
  • US2138271A - Bottle capping machine : en
  • SU54689A1 - Rail : en ru
  • CH201294A - Process for producing a material which can be used as a paint, film, plastic mass, etc. : de en
  • DE668212C - Mobile jack : de en
  • SU54763A1 - Device for adjusting the speed of the axial movement of the sharpener of carding machines : en ru
  • SU55592A1 - Relays for automatic sound attenuation in electromusic instruments : en ru
  • SU55878A1 - Method of making hinges for hinges : en ru
  • US2138017A - Process for the decomposition of nitrosyl chloride : en
  • SU54932A1 - Fiber combing and dividing machine : en ru
  • SU55587A1 - Electro-pneumatic air distributor : en ru
  • CA377999A - Safety hinge : en fr
  • CH201330A - Electroacoustic system. : de en
  • DE668457C - Method of making a spread : de en
  • GB496525A - Improved means for feeding liquid fuel to the vaporizers of stoves, lamps, cookers, or the like : en
  • DE668265C - Metal foot for metal cabinets or the like. : de en
  • DE668389C - Process for the treatment, in particular refining, of iron and steel and for the production of low-carbon ferroalloys : de en
  • FR834774A - Improvements to remote control devices : en fr
  • SU54834A1 - Combined tanning method : en ru
  • SU55440A1 - Hitch-hiking : en ru
  • SU56021A1 - Steam generator with forced circulation of evaporating liquid : en ru
  • US2138407A - Multicolor sheet fed rotary printing machine : en
  • SU54442A1 - Device for stabilizing the voltage of the DC generator : en ru
  • SU55541A1 - Ball Making Machine : en ru
  • SU54458A1 - The method of producing water paints : en ru
  • SU55181A1 - T null m leather processing machine : en ru
  • US2138764A - Game : en
  • USD112357S - Design for a metal spray gun : en
  • CH201528A - Process for the preparation of a disazo dye. : de en
  • GB496340A - Improved automatic distributing and regulating device for compressed fluid brake installations for vehicles : en
  • FR834767A - Discharge tube : en fr
  • GB496233A - Manufacture of shaped products from polyvinyl chloride : en
  • GB496346A - Improvements in or relating to fuel injection pumps : en
  • CH201325A - Measuring device with a working spring, the deformation of which is caused by internal forces dependent on the measured value. : de en
  • SU54420A1 - Electric switch : en ru
  • SU54688A1 - Side rail for tramcars : en ru
  • SU54638A1 - Breaker for electric resistance welding : en ru
  • SU55257A1 - Endless transporter : en ru
  • CA377988A - Roll holding camera : en fr
  • DE668244C - Sheet feeding device for duplicating machines : de en
  • CH201410A - Electric motor with housing and prismatic stator core. : de en
  • SU55103A1 - A method of manufacturing a printing form of plywood, etc. for printing from deep : en ru
  • SU55958A1 - Gas analyzer : en ru
  • SU54691A1 - Nutromer : en ru
  • US2138225A - Hat structure : en
  • CH201462A - Vehicle-controlled road traffic signal system. : de en
  • PL27469B1 - A device for protection against running over in motor vehicles. : en pl
  • SU54962A1 - Launch pad for slipways : en ru
  • SU56228A1 - The method of preparation of cast thermite : en ru
  • US2138074A - Spool : en
  • US2138201A - Wire drawing method and apparatus : en
  • US2138522A - Four-spindle drum type crankshaft lathe : en
  • AU496837A - Apparatus for laying paper mulch : en
  • SU54828A1 - Screw machine : en ru
  • SU54938A1 - Electric mercury quartz lamp : en ru
  • SU55664A1 - Wood splitter : en ru
  • SU54373A1 - Photoelectric Actinometer : en ru
  • SU54446A1 - High Voltage Oil Switch : en ru
  • US2138440A - Method of upholstering furniture : en
  • GB496372A - Improvements in aerofoils : en
  • SU54810A1 - Drive for shifting the cam discs : en ru
  • USD112367S - Design for a dress : en
  • CA378048A - Machinery guard : en fr
  • SU54921A1 - Device for synchronizing electric cars : en ru
  • SU55359A1 - AC winding machine : en ru
  • SU55635A1 - The method of obtaining foam glass : en ru
  • SU56237A1 - A device for separating tobacco from ready-made cigarettes in cigarette-stuffed machines : en ru
  • SU55447A1 - Adaptation to the drilling machine for groove grooves in the walls of the holes : en ru
  • US2138191A - Electric circuit controlling device : en
  • US2138213A - Fire arm : en
  • US2138484A - Mounting mechanism for vehicle bodies : en
  • DE668364C - Device for coupling the rotating blades of coaxial lifting screws : de en
  • FR834791A - Improvements to automatic piloting devices : en fr
  • GB496489A - Improvements in or relating to towel rollers, towel rails or the like : en
  • GB496322A - Improved means for fairing aircraft flotation bodies : en
  • DE667230C - Luminous screen (incandescent screen) for cathode ray tubes and process for its manufacture, made to glow by electron impact : de en
  • US2138540A - Butyl esters of alpha, alpha-dimethyl-alpha-carboxydihydro-gammapyrone and to process for making the same : en
  • US2138494A - Curve plotting and drafting instrument : en
  • GB496607A - Process and means for the enrichment of natural and industrial mixtures of hydrocarbons in aromatic hydrocarbons and for the elimination of the resin-producing constituents therefrom : en
  • FR834831A - Improvements to reservoir pen holders and devices for filling them : en fr
  • GB496510A - Improvements in or relating to engine speed control mechanism : en
  • FR834683A - Vacuum cleaners and ups for ventilation and for all uses : en fr
  • DE668177C - Membrane gas pressure regulator : de en
  • GB496312A - Improvements in or relating to the manufacture of cellulose : en
  • GR7820B - FINISHING IN WING. : el en
  • DE668501C - Receiver with switch for the optional use of a tube as an amplifier or diode rectifier : de en
  • DE668502C - Device for dynamo machines driven by human power or other dynamo machines that operate with low driving force, which are used in particular to power portable wireless transmitting and receiving devices : de en
  • GB496434A - Improvements in or relating to the tempering of glass plates or sheets : en
  • GB496552A - Tracks for toy vehicles : en
  • GB496589A - Improvements in or connected with folding hoods for motor and other vehicles : en
  • GR7817B - CHEMICAL APPLIANCE COMPLEX. : el en
  • PL27392B1 - The method of cotonization of linen or hemp fibers. : en pl
  • CA377979A - Window runway or channel : en fr
  • CH201418A - Leonard drive with device for automatic starting and stopping of the DC motor. : de en
  • CH201525A - Process for the preparation of a metal-containing trisazo dye. : de en
  • DE668264C - Holding and swiveling device for books to be hung with your back, in particular timetable books : de en
  • DE668350C - Device for generating steam from the exhaust gases of an internal combustion engine for aircraft : de en
  • SU54781A1 - Cardboard Preparation Method : en ru
  • PL27462B1 - A method of heat treatment of glassware with a producer gas using burners and a device for carrying out this method. : en pl
  • SU54917A1 - Apparatus for aerial photography : en ru
  • US2138741A - Method of coating sheet metal can with wax : en
  • US2138802A - Selector device for valve manifolds : en
  • SU56214A1 - The method of obtaining resols : en ru
  • SU55153A1 - Electromagnetic high-speed non-polarized circuit breaker : en ru
  • CH201454A - Equalizing pulse transmitter arrangement. : de en
  • DE668345C - Bar gripper with two bowls for bulk goods and with scrapers for removing the baked goods : de en
  • SU55537A1 - Machine for seeding teeth of bar cutting machines : en ru
  • US2138303A - Automobile headlight turning device : en
  • SU55219A1 - Machine for a set of slats with needles or pegs : en ru
  • SU55383A1 - A method of manufacturing a refractory hydraulic in a substance : en ru
  • US2138111A - Bag closing and fastening mechanism : en
  • US2138570A - Bracelet structure : en
  • AU105889B2 - Improvements in or relating to mercury cathodes for use in electrolysis : en
  • CA378004A - Shot gun cartridge : en fr
  • CA378020A - Lamp shade cover : en fr
  • CH201508A - Process for the preparation of a quaternary aminobenzylacylamine. : de en
  • DK55497C - Coupling for Frequency Multiplication or Frequency Division of High Frequency and Ultra High Frequency Oscillations as well as for Application by the Coupling suitable Magnetron. : da en
  • PL27402B1 - The driving device of the generator, located inside the hub of the bicycle wheel. : en pl
  • SU54126A1 - Sieve for sugar industry diffusers : en ru
  • SU54690A1 - Antenna : en ru
  • DE668214C - Optical device for determining color values : de en
  • DE668355C - Automatic collet clamping device for single and multi-spindle machines for processing raw bars with larger deviations in diameter : de en
  • SU54567A1 - Permanent magnet magnetization device : en ru
  • SU54614A1 - Method and device for isolating microscopic particles from suspension : en ru
  • SU54774A1 - Method of making viscous pulp for bird plucking : en ru
  • SU55836A1 - Method for determining flexibility (stiffness) of bow reeds : en ru
  • US2138150A - Cutting edge bit for grading equipment : en
  • US2138655A - Receiving system : en
  • SU55843A1 - The method of obtaining artificial stones from chromate slime : en ru
  • SU54908A1 - Device for measuring the temperature of the core of the DC generator : en ru
  • SU55535A1 - Reel casting machine : en ru
  • AU301838A - Improvements in or relating to change speed devices and liquid dispensing apparatus employing said change speed device : en
  • FR49173E - Improvements to elastic fabrics and their manufacturing method : en fr
  • GB496448A - Improvements relating to evaporating apparatus : en
  • DE668471C - Discharge vessel with an artificially heatable glow cathode and a vapor-generating substance : de en
  • PL27456B1 - A method of guiding artificial threads while processing them after advance, and a device for carrying out the method. : en pl
  • SU55215A1 - Method for surface decarburization of gray iron : en ru
  • SU55412A1 - High speed steel : en ru
  • US2138067A - Telescope sight : en
  • US2138810A - Hydraulic sizer : en
  • USD112400S - Design for a lip stick holder : en
  • DE668311C - Process for the production of high quality animal feed : de en
  • CA377942A - Acid amide production : en fr
  • USD112359S - Design for a textile fabric : en
  • DE668185C - Automatic discharge device for typesetting machines : de en
  • US2138022A - Splitting machine : en
  • US2138675A - Shunt balancing network for telegraph circuits : en
  • DE668240C - Laundry press with removable receptacle for the laundry : de en
  • FR834730A - Advanced brake for vehicles : en fr
  • GB496534A - Improvements in baby carriages : en
  • USD112364S - Design for a brush back : en
  • US2138385A - Elastic top shoe : en
  • FR834764A - Multi-way valve : en fr
  • FR834689A - Process for making all patterns intended for making clothes : en fr
  • SU54783A1 - Method for treating mole or skins with fluids : en ru
  • US2138493A - Traction device : en
  • US2138650A - Fountain pen : en
  • US2138671A - Continuous conveyer : en
  • FR834731A - Improvements to machines for feeding, cutting and wrapping caramels or other similar plastic materials : en fr
  • US2138515A - Apparatus for blacking the edges of soles for shoes : en
  • US2138553A - Dyeings on cellulose esters : en
  • US2138669A - Tone deflector for grand pianos : en
  • US2138779A - Roller mounting for printing presses : en
  • GB496540A - Improvements in or relating to electric carrier signalling systems : en
  • SU54802A1 - Device for measuring soil pressure : en ru
  • SU55416A1 - Open mold for pressing car tires : en ru
  • SU55423A1 - Apparatus for testing the pressing-in of spool bushings : en ru
  • SU54686A1 - Method for determining the depth of the bleached Griffin wheel layer : en ru
  • SU55233A1 - Device for connecting the pan to the drive : en ru
  • SU55512A1 - Device for protection of traction substations and contact network : en ru
  • SU55631A1 - Brake Cylinder Pressure Regulator for High Speed Rides : en ru
  • US2138457A - Process fob improving the fastness : en
  • US2138461A - Loudspeaker : en
  • CH201259A - Process for increasing the wetting and penetration effect of alkaline solutions of at least 10 0 Bé. : de en
  • CH201400A - Condensation drain with steering discs. : de en
  • GR7806B - METHOD AND PROVISION FOR CONTINUOUS CONSTRUCTION OF METAL ROPE FROM MATERIAL OF ORIGINAL LIQUID. : el en
  • SU54777A1 - Bicycle brake : en ru
  • US2138479A - Change-over assembly : en
  • FR834713A - Agent for lengthening glues and process for its preparation : en fr
  • SU55408A1 - Tip to the optometer and other measuring devices : en ru
  • SU56149A1 - Apparatus for determining and calculating the voltage drop distribution in railroad tracks of electric railways : en ru
  • US2138295A - Process and compound for coloring the surfaces of metal articles : en
  • ES144187A1 - A procedure to make cold soap. : en es
  • GB496644A - Improvements in or relating to goggles : en
  • DE668256C - Moving grate : de en
  • DE668397C - Deduster for heart-shaped wool brooms : de en
  • FR49200E - Safety device against accidental gas suffocation for domestic use : en fr
  • GB496294A - Improvements in or relating to processes for the manufacture of hydrides of the alkali earth metals : en
  • US2138089A - Scanning process : en
  • US2138516A - Insecticidal composition : en
  • US2138061A - Sheet metal container : en
  • US2138118A - Titanium oxide pigments and process for producing same : en
  • FR49186E - Device for closing the interior of shutters and shutter doors : en fr
  • DE668393C - Centrifugal torque switch for installation in bicycle alternators : de en
  • DK55505C - Electric Discharge Pipe. : da en
  • GB496502A - Improvements in helicopters : en
  • IE15244L - Railway signalling. : en
  • FR834752A - High speed steels : en fr
  • DE668179C - Device for warming up the water in the storage tanks of railway carriages which are provided with a steam heating element : de en
  • SU54377A1 - Double-acting pneumatic tool for punching holes in the iron notch of a blast furnace : en ru
  • SU54591A1 - The method of obtaining polymerized oils (stem) : en ru
  • SU55660A1 - Device for remote control of electrical switches actuators : en ru
  • SU55814A1 - Device for automatic control of machine gun mechanisms : en ru
  • FR834736A - Automatic gauze pad folding machine for dressings or other jobs : en fr
  • GB496352A - Manufacture of tetrachlorethylene : en
  • PL27440B1 - Patent dependent on patent No. 5178. : en pl
  • US2138486A - Photographic developer : en
  • DE668433C - Electric switch with toggle mechanism : de en
  • GB496634A - Wireless receiving arrangement with frame antenna : en
  • SU55585A1 - Automatic bag filling and tying machine : en ru
  • SU55068A1 - Device for increasing the angle of reading readings in measuring devices with a light pointer : en ru
  • US2138396A - Goodyear welting and method of making same : en
  • US2138464A - Covering element : en
  • SU54988A1 - Machine turning for regular polyhedrons : en ru
  • SU55360A1 - A device for placing light points on the floor plan when calculating lighting : en ru
  • DE668361C - Spool with two spiral grooved disks for daylight roll film developing devices : de en
  • DE668250C - Method for producing a connection between a carbon grinding piece and a metal socket : de en
  • GB496558A - Improvements in treatment baths for the photographic dye destruction process : en
  • US2138304A - Earthworking implement : en
  • US2138689A - Method for gaining water out of the atmosphere : en
  • CA377926A - Air conditioning system : en fr
  • SU54370A1 - Electric meter : en ru
  • SU54952A1 - Device for laying the path links : en ru
  • US2138279A - Control switch : en
  • SU54767A1 - Crosshead Cover : en ru
  • SU55340A1 - Bearing : en ru
  • SU54639A1 - Tonnes meter : en ru
  • SU54800A1 - Blood Transfusion Apparatus : en ru
  • SU54865A1 - Drilling Tester : en ru
  • SU56035A1 - The method of obtaining sylvan (2-methylfuran) : en ru
  • CH201275A - Process for the production of dried potatoes. : de en
  • GB496563A - Improvements in or relating to line finding means for accounting and the like machines : en
  • SU54894A1 - Adaptation to the centrifugal spindle to secure the developed cake : en ru
  • PL27418B1 - A method of depositing metal or other material coatings, and an apparatus for carrying out the method. : en pl
  • SU54641A1 - Method for improving spectral composition of radiations of electric light sources : en ru
  • SU55254A1 - Device for cleaning typical telegraph wheels : en ru
  • SU55576A1 - The method of artificial aging of wines : en ru
  • SU55774A1 - Method and device for controlling temperature in the mine of the Fourcot machine : en ru
  • US2138242A - Pedal attachment for gear shift levers : en
  • GB496428A - Improvements in the manufacture and production of butanol by fermentation : en
  • GB496464A - Improvements in and relating to the production of sweetmeats : en
  • IS107B6 - Application machine : en is
  • US2138724A - Building block and wall construction ventilated horizontally and vertically : en
  • SU54395A1 - Method for wet enrichment of kaolin : en ru
  • SU55079A1 - Adaptation to the tank for heating easily thickening liquids : en ru
  • US2138216A - After treatment of packages of spool spun silk : en
  • CH201516A - Process for the preparation of a solid diazonium salt. : de en
  • US2138083A - Lamp structure : en
  • US2138399A - Vehicle body : en
  • US2138123A - Static elimination circuit : en
  • FR49194E - : fr
  • GB496259A - Improvements in punches and dies for the formation of small holes with straight sides : en
  • FR834721A - Multiple voltage regulator : en fr
  • IE15161L - Ventilation of vehicles : en
  • US2138046A - Liquid dispensing device : en
  • SU54910A1 - Rotor for electric machine : en ru
  • SU55865A1 - Self-propelled shovel : en ru
  • SU55969A1 - The method of obtaining vat dyes : en ru
  • US2138404A - Method for inserting and holding closure plugs : en
  • AU105892B2 - Improvements in apparatus for applying lacquer or short-fibre layer to solid workpieces : en
  • CH201442A - Process for the production of a depilation composition and composition produced by the process. : de en
  • SU54350A1 - Method of cutting angular iron on shaped blanks with a protrusion formed by one of the shelves : en ru
  • US2138388A - Welding electrode : en
  • SU55211A1 - Device for rotation of the shaft, mainly transmission when putting on a drive belt : en ru
  • SU55912A1 - Switching device of a self-communicating payphone : en ru
  • SU56224A1 - Non-self-contained relaxation sawtooth oscillator : en ru
  • AU105858B2 - Improvements in or relating to high-pressure metal vapour electric discharge devices : en
  • SU54347A1 - Rolling Product Packing Machine : en ru
  • US2138410A - Molding machine : en
  • US2138653A - High efficiency modulating and amplifying system : en
  • DK55513C - Device for rear motor vehicles for control and intake of the cooling air. : da en
  • SU55511A1 - Vertical Cone Crusher : en ru
  • SU55873A1 - Strain Gauge Calibration Device : en ru
  • SU56281A1 - Device for lifting nets on board a fishing vessel : en ru
  • SU55088A1 - The method of heat treatment of steel slide rings of automobile wheels : en ru
  • SU55445A1 - High Pressure Die Stamp : en ru
  • SU56161A1 - The method of obtaining carotene from carrots : en ru
  • US2138418A - Egg container : en
  • PL27431B1 - Wire rope with an insulated flexible conductor {electric inside). : en pl
  • GB496550A - Improvements in or relating to liquid pressure remote control systems : en
  • SU54953A1 - Grinding Wheel Press : en ru
  • FR834802A - Torque and angular speed transformer : en fr
  • GB496619A - Improvements in loudspeakers : en
  • SU54730A1 - Speed relay to turn off a short-circuited asynchronous motor when it is decelerated using the anti-switch method : en ru
  • SU55614A1 - Method for producing precipitated sulfur : en ru
  • USD112329S - Design for a shoe ob similar article : en
  • USPP306P - Peach tree : en
  • SU54379A1 - Device for lowering the load when the electric crane is suddenly disconnected from the current source : en ru
  • SU55045A1 - Glasses : en ru
  • SU56036A1 - Cheese belt landing machine : en ru