• DE728723C - Arrangement for foot lever, especially for motor vehicles : de en
  • DE728634C - Device for mechanical compensation of radio feed : de en
  • DE728907C - Switching device for reversing the table of milling machines : de en
  • DE728909C - Device for gluing sections onto a web : de en
  • SU62405A1 - The method of preparation of mud solutions for washing wells : en ru
  • US2304031A - Reversing drive mechanism : en
  • US2303404A - Alloy : en
  • US2303433A - Bed construction : en
  • US2303961A - Clothespin : en
  • US2304022A - Sound reproducing apparatus : en
  • US2303714A - Power generating method and apparatus : en
  • SU62807A1 - Substation protection device with double busbar system : en ru
  • SU62480A1 - Cooling system control device : en ru
  • SU62663A1 - Kapsel for firing ring-shaped ceramic products : en ru
  • US2303544A - Ceiling supporting device : en
  • US2303974A - Outer garment for women : en
  • US2303994A - Thermostatic snap action valve mechanism : en
  • US2303645A - Fish reel brake : en
  • SU62715A1 - Castor oil dehydration plant : en ru
  • US2303724A - Refrigerating device : en
  • CH224506A - Artificial dentition. : de en
  • CH224383A - Truss nodes, through which more than two struts provided with connecting pieces are connected. : de en
  • SU62698A1 - The method of drying the refractory masonry blast furnaces : en ru
  • US2303369A - Cooling device : en
  • DE728622C - Device for tensioning the lower guide rollers of bucket elevators with a pivotable carrier : de en
  • FR877181A - High voltage polyphase disconnecting device with fuse and switch circuit breaker : en fr
  • DE728684C - Blueprint device : de en
  • DE728836C - Type cylinder typewriter : de en
  • US2303315A - Warning signal system : en
  • SU62697A1 - Steel : en ru
  • SU62691A1 - Facing plate : en ru
  • US2303580A - Semitrailer : en
  • US2303730A - Electric circuit breaker with compressed fluid blowout : en
  • SU62245A1 - The method of obtaining mineral pigments : en ru
  • SU62277A1 - Machine for unloading bulk materials from covered railway cars : en ru
  • CA409043A - Lapping machine : en fr
  • CH224523A - Antenna system on a motor vehicle. : de en
  • US2303770A - Amusement device : en
  • US2303927A - Coupling : en
  • DE728712C - Dressing device for grinding wheel surface areas by means of two rolling knives : de en
  • BE447768A - Method and apparatus for obtaining metallic coatings on articles such as threads, ribbons and the like : en fr
  • PL31093B1 - Device for disengaging an auxiliary mechanism operated by a working medium under pressure, in particular for engaging the gears of a variable transmission in motor vehicles : en pl
  • FR877254A - Shock spray diesel doorbell : en fr
  • CA409060A - Telegraph transmitter : en fr
  • CH224491A - Automatic switch with locking by a fusible link. : de en
  • GB549685A - Pouncing hats : en
  • FR877262A - manometric piezoelectric element : en fr
  • US2303342A - Lasting machine : en
  • USD134477S - Design for a roof ventilator : en
  • US2303993A - Utensil supporting hook : en
  • US2303320A - Power adjusted implement : en
  • US2303591A - Facing plate for cementitious blocks or the like : en
  • US2303707A - Root mounting for rotor blades : en
  • US2303397A - Alkaline detergent : en
  • US2303846A - Printing telegraph apparatus : en
  • CA408927A - Roofing or surfacing material : en fr
  • DE728567C - Roll film camera equipped with a snap lock and counter : de en
  • DE728798C - Electric ironing machine with rotatable ironing roller and an ironing shoe that can be pressed onto it : de en
  • FR877231A - Process for the agglomeration of fuels : en fr
  • DE728576C - Pit stamp : de en
  • SU62311A1 - Device for opening and closing the bottoms of the cupolas : en ru
  • SU62433A1 - Method for calorimetric determination of O-nitroaniline in O-phenylenediamine : en ru
  • SU62575A1 - Method for reducing phosphorus content in ferromanganese : en ru
  • US2303550A - Dehydrogenation of cyclohexanols : en
  • FR877265A - Method and device for emptying chocolate molds : en fr
  • FR877393A - Device to facilitate take-off and landing of aircraft known as observation balloons : en fr
  • US2303678A - Garment supporting and carrying device : en
  • FR877288A - Method of checking the correctness of tuning and the working condition of antenna installations : en fr
  • PL31136B1 - The method of producing pervylamides solutions : en pl
  • US2304030A - Reversible power transmission : en
  • SU62296A1 - A method of making an electric cable : en ru
  • SU62501A1 - Method of preparing lacquer to obtain coatings with crystalline patterns : en ru
  • SU62586A1 - Adaptation to theodolite for optical centering relative to the frame : en ru
  • DK60377C - Coupling with an electric discharge tube with negative Steepness. : da en
  • US2303501A - Highway or transport trailer : en
  • CA409063A - Drilling fluid conditioning method : en fr
  • DE728730C - Stabilization of magnetron transmitters : de en
  • USD134487S - Design fob, a lace tablecloth : en
  • DE728767C - Process for the production of acrylic acid nitrile from acetylene and hydrocyanic acid : de en
  • DE728270C - Flat fire lighter with perforations : de en
  • AT160885B - Device for determining the location of a sound source, in particular the location of a gun : de en
  • DE728825C - Drive device for endless sieve or arithmetic belts running over guide disks : de en
  • SU62335A1 - Apparatus for uniform distribution of mass in the mold when pressing abrasive wheels : en ru
  • CH224385A - Garbage collection truck. : de en
  • DE728892C - Tower-like gas cleaner with one above the other for the cleaning compound and gas inlet and outlet lines on opposite sides : de en
  • FR877184A - Improvement in fixing cylinders and cylinder heads : en fr
  • SU62234A1 - Method of making gas-tight tubes : en ru
  • US2303807A - Heater for transportation units and the like : en
  • US2304018A - Control apparatus : en
  • SU62291A1 - Device for catching in the upper position of the hammer with a chisel pylon cutting machines : en ru
  • SU62557A1 - Photocell : en ru
  • CA409002A - Refrigeration apparatus : en fr
  • CA409017A - Centre differential for multiple drive vehicles : en fr
  • US2303654A - Control apparatus : en
  • DE728621C - Arrangement of the pressure oil lubrication in a briquette extruder : de en
  • FR877155A - New peg for stringed musical instruments : en fr
  • GB549666A - Improvements in or relating to cooling apparatus for turbo-compressors : en
  • GB549761A - Improvements in or relating to means for controlling the supply of fuel and air to internal combustion engines : en
  • CA408932A - Washing machine : en fr
  • AU426242A - Improved apparatus forthe preparation of smokeless fuel from brown coal : en
  • CA409007A - Flatiron : en fr
  • AU116183B2 - Improvements in or relating to fuel tanks for aircraft : en
  • US2303683A - Insecticidal composition : en
  • US2303821A - Apparatus for producing mixtures of air and pulverulent materials : en
  • USD134451S - Design for an automobile bumper : en
  • DK60374C - Drive mechanism for the Tuning means in a Radio receiver. : da en
  • GB549757A - Improvements in or relating to percussive rock drilling tools : en
  • FR877310A - Turbo-compressor : en fr
  • FR877342A - Shortwave balancing device : en fr
  • GB549738A - Improvements in or relating to furniture casters : en
  • SU62281A1 - Adaptation to the trencher to broaden the notch : en ru
  • GB549664A - Improvements in plaster boards and the like and the affixing thereof to form ceiling, wall or other like surfaces : en
  • PL31087B1 - A method of producing a material used, for example, to purify, soften and deacidify water, consisting mainly of magnesium oxide and calcium carbonate, by decomposing dolomite by calcining it in an atmosphere containing an acid anhydride : en pl
  • CH224413A - Process for the production of artificial fibers. : en fr
  • CH224432A - Process for the continuous production of hectographic color paper. : de en
  • DE728817C - Method for lowering the viscosity of viscose : de en
  • PL31062B1 - : en pl
  • SU62256A1 - Device for longitudinal compensation of inductive voltage drop in a transmission line : en ru
  • SU62634A1 - Adaptation to the divider harvesting machines for a better supply of stems : en ru
  • SU62655A1 - Siphon bottle filling machine : en ru
  • DE728589C - Process for the production of tubular tungsten incandescent cathodes for electron tubes : de en
  • PL31109B1 - Maybach-Motorenbau Gesellschaft mit beschrankter Haftung, 'Friedrichshafen n. B. Mechanical-hydraulic power transmission in rail motor cars and similar vehicles : en pl
  • SU62241A1 - Method of determining the ability of cuttings to sticking a drill string : en ru
  • SU62361A1 - Kitchen hearth : en ru
  • PL31035B1 - Dinnies von der Osten, Ludwigsburg}, 1 and 9 * "" / Sealing ring : en pl
  • US2303806A - Butter conditioner : en
  • SU62554A1 - Tweezer Mica : en ru
  • US2303905A - Optical system for determining the color of inks : en
  • CA408924A - Moulded product manufacture : en fr
  • CA408964A - Propeller shaft : en fr
  • PL31016B1 - : en pl
  • SU62326A1 - Electric hydro generator : en ru
  • PL31054B1 - : en pl
  • SU62581A1 - Riper : en ru
  • SU62596A1 - Method of lifting bridge span structures : en ru
  • US2303698A - Derivatives of p-aminobenzenesulphonylamide (i. e., sulphanilamide) and the process of producing them : en
  • US2303987A - Carrier-signal detector : en
  • SU62571A1 - Vertically closed casting conveyor : en ru
  • US2303763A - Razor blade and package : en
  • CH224447A - Front sight with rake box for weapon storage with fine side alignment pins. : de en
  • DE728858C - Separation of gas mixtures in several diffusion cells connected in series : de en
  • CH224482A - Device for operating internal combustion engines with acetylene. : de en
  • DE728584C - High frequency impedance with variable phase angle with constant coordination : de en
  • CA408984A - Carboxy compound preparation : en fr
  • CH224542A - Telescopic tube-like aircraft adjustment strut with built-in electric motor and gear. : de en
  • CH224427A - Process for the recovery of hydrogen sulfide in the production of artificial threads, in particular rayon, from viscose : de en
  • FR877234A - Thermal insulation of vehicle walls, in particular aircraft altitude chambers : en fr
  • GB549720A - Improvements in or relating to ring spinning frames : en
  • DE728602C - HEPA filter for breathing apparatus : de en
  • DE728613C - Electric gas switch : de en
  • DE728763C - Hiking pillar : de en
  • FR877287A - Method for giving optical indications in transmitters of directing rays, manipulated by points and lines and intended in particular for application to heading controls : en fr
  • GB549641A - Improvements in and relating to the manufacture of ammonium sulphate : en
  • FR877330A - Detachable tread tire : en fr
  • FR877370A - Manufacturing process for products made from polyvinyl compounds : en fr
  • PL31068B1 - A method of zinc smelting from dust containing metallic zinc : en pl
  • GB549629A - Improvements in or relating to centrifugal machines : en
  • SU62722A1 - Method for automatic wear testing of non-self-fabricated time relays : en ru
  • SU62625A1 - Device for removing characteristics of electronic tubes : en ru
  • GB549637A - Improvements in concrete silos : en
  • US2303625A - Closing ring for containers : en
  • US2304026A - Oven-tray stabilizer : en
  • US2303473A - Cutting or welding and heattreating apparatus : en
  • PL31123B1 - Device for removing air from drainage pipes of fuel stations : en pl
  • US2303324A - Valve mechanism for internal combustion engines : en
  • US2303835A - Method of sweetening sour petroleum distillates : en
  • GB549736A - Improvements relating to adhesive bandages : en
  • CH224551A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • FR877300A - Deformable device for laying out and drying knit panties : en fr
  • PL31031B1 - Patent-Treuhand-Gesellschaft fur elektrische Gliihlampen m. B- H., Berlin, -. > / -,; '/ - Electric low-pressure tubular discharge lamp : en pl
  • PL31157B1 - I. G. Farbenindustrie flktiengesellschaft, Frankfurt n. M. Melted saltpeter bath, not decomposing : en pl
  • GB549718A - Lead sheathed cable having a covering of vulcanisable material and a method of making such a cable : en
  • FR877325A - Process for dyeing spools of artificial silk thread : en fr
  • CH224410A - Holding device for cut flowers. : de en
  • SU62214A1 - Double Spiral Drill : en ru
  • US2303554A - Apparatus for making vulcanized rubber : en
  • US2303384A - Connector : en
  • US2303417A - Steam trap : en
  • SU62620A1 - Method of siphon steel casting : en ru
  • DE728711C - Rim with removable side flange : de en
  • DE728568C - Photographic lens shutter : de en
  • AU116187B2 - Improvements in or connected with scrubbers or filters for producer gas apparatus : en
  • FR877272A - Improvements to cooling devices for electric lamps : en fr
  • CA408959A - Hydro electrode control : en fr
  • CH224399A - Single-driver lock for windows, doors and the like. : de en
  • SU62372A1 - The method of two-way flaring of the shanks of turbine blades installed in the disk, rivets installed in a row, etc. : en ru
  • GB549711A - Improvements in or relating to room heaters : en
  • DE728762C - Holding means for thick fabrics or those in connection with thin fabrics, especially as an aid for tailoring : de en
  • DE728785C - Articulated boiler with external filling shaft : de en
  • FR877363A - Rotary anode chi ray tube : en fr
  • GB549674A - Apparatus for automatically controlling the travel of a mobile body : en
  • FR877362A - Electric heater : en fr
  • DE728577C - Wandering expansion to secure the hanging wall : de en
  • USPP558P - Geranium : en
  • FR877176A - Jacks development : en fr
  • US2304028A - Truck body construction : en
  • FR877308A - Enhancements to Circuit Control Devices : en fr
  • US2303819A - Stabilizing solution of tetra-alkyl lead compounds : en
  • DE728728C - Release device for stamp, hiking pillar or the like. : de en
  • DE728790C - Folding door for vehicles, in particular motor vehicles : de en
  • CH224428A - Process for the production of monoanhydroxylitol. : de en
  • US2303504A - Treatment of metal powders : en
  • US2303649A - Stable cleaner : en
  • US2304043A - Dry shaver : en
  • US2303668A - Automatic hook setting device : en
  • US2303966A - Internal combustion engine : en
  • DE728921C - Process for processing viscose of a constant degree of ripeness during spinning into artificially formed structures such as rayon, horsehair, ribbons, films : de en
  • DE728922C - Method and device for drying workpieces : de en
  • SU62422A1 - Method of treating dysentery : en ru
  • SU62630A1 - Thermocouple : en ru
  • PL31114B1 - A method of producing refractory glass types : en pl
  • PL31076B1 - C. Lorenz flktiengesellschaft, Berlin - Tempelhof Generator of relaxation vibrations producing circular or rectangular pulses : en pl
  • SU62598A1 - Device for automatic control of dust mills : en ru
  • PL31066B1 - A method of storing fresh feed and an apparatus for carrying it out : en pl
  • DE728675C - For directly controlled feed water valves, shaft seal suitable for high pressures and temperatures : de en
  • DE728806C - Method of making planographic printing plates : de en
  • DE728860C - Process for working up high-boiling hydrocarbon oils : de en
  • DE728710C - Two-part hood for motor vehicles : de en
  • GB549741A - Method for preventing the formation of scale in steam boilers : en
  • DE728625C - Robbery device for hiking piers : de en
  • DE728740C - Method and device for testing and measuring the adaptation of the human eye : de en
  • DE728842C - Measuring arrangement for determining the response time of aperiodically damped electrical measuring instruments : de en
  • DE728588C - Protection circuit for a line network : de en
  • DE728819C - Device for supplying fuel to internal combustion engines : de en
  • FR877381A - Glove : en fr
  • US2303915A - Shock absorbing mechanism : en
  • SU62667A1 - Electrical voltage regulator synchronous generator : en ru
  • DE728773C - Receiver for modulated high frequency : de en
  • SU62427A1 - Filter paper preparation method : en ru
  • SU62590A1 - Locking device for blocking a stopper with a neck of a car radiator : en ru
  • FR877151A - Process for the preparation of azo dyes : en fr
  • CA408953A - Siccative composition curing process : en fr
  • US2303592A - Renewable fuse : en
  • DE728729C - Wide washing machine for fabric webs : de en
  • PL31069B1 - Sieve with two crankshafts : en pl
  • SU62371A1 - Device for cleaning and transporting slab tiles : en ru
  • FR877242A - Index card box : en fr
  • GB549663A - Improvements in and relating to electric transformers : en
  • US2303393A - Vacuum lifting device : en
  • US2303479A - Machine gun and magazine : en
  • FR877221A - Front burner with automatic scouring for all applications and in particular for central heating boilers : en fr
  • GB549755A - Improvements in and relating to fluorescent materials : en
  • GB549764A - Improvements in display package : en
  • CA408949A - Spring cushion or mattress assembly and pad : en fr
  • CH224468A - Automatic arc control device for AC welding. : de en
  • SU62754A1 - Device for lining points by coordinates : en ru
  • US2304007A - Article support : en
  • US2303570A - Solvent for dewaxing : en
  • FR877154A - Gramophone disc changer : en fr
  • SU62209A1 - Apparatus for increasing the efficiency of seismograph grouping method in reconnaissance by reflected waves : en ru
  • CA408997A - Bristling machine needle stop : en fr
  • PL31118B1 - Method of granulating nitrate : en pl
  • SU62515A1 - Tap : en ru
  • US2303453A - Welding timer : en
  • DE728657C - Symmetrically constructed amplifier circuit, especially for ultra-short waves : de en
  • PL31042B1 - : en pl
  • SU62339A1 - The method of heat treatment of rolls for cold rolling : en ru
  • SU62251A1 - Method for preparing halogen-mixed benznafton : en ru
  • SU62294A1 - Method of compensating antenna errors of radio beacons : en ru
  • SU62382A1 - A device for sorting rivets, etc. products : en ru
  • SU62756A1 - Gear Testing Device : en ru
  • DE728747C - Locknut for shafts secured by a snap ring : de en
  • DE728663C - Plasticizers : de en
  • FR877199A - Articulated cork sole : en fr
  • GB549658A - Improved apparatus for counting and measuring current impulses : en
  • GB549716A - An improved apparatus for draining air raid shelters, cellars, ships, boats and the like : en
  • US2303358A - Stable seismic wave amplifier with automatic volume control : en
  • US2303881A - Guy rod grounding clamp : en
  • US2303437A - Means for the propulsion of ships : en
  • US2304051A - Means for analyzing and determining the characteristics of the geologic strata : en
  • US2303802A - Wringer : en
  • PL31045B1 - Kohlenscheidungs-Gesellschaft mit beschrankter Haftung, Berlin Coal-dust furnace : en pl
  • CA408952A - Surface heat exchanger : en fr
  • US2303573A - Game : en
  • FR877152A - Device for cutting endless artificial fiber products : en fr
  • USD134497S - Design for a jacket : en
  • FR877170A - Process for the treatment of sewage sludge and the like and resulting products : en fr
  • GB549677A - Improvements in or relating to clips : en
  • US2303892A - Electrode clamp and support : en
  • US2303967A - Sun time indicator : en
  • SU62449A1 - The method of obtaining floor roids : en ru
  • US2303409A - Suction cleaning apparatus : en
  • FR877228A - Process for manufacturing sheets, tablets or marbled (or decorated) plates from thermoplastic synthetic products : en fr
  • CH224403A - Gas generating plant for solid fuels for feeding explosion engines, in particular for motor vehicles. : de en
  • CH224545A - Two-piece button. : de en
  • FR877162A - Process for extracting organic acids or their salts from cork and products obtained : en fr
  • FR877275A - Toy vehicle : en fr
  • FR877223A - Measuring device with electrical remote indication for small length variations : en fr
  • CA408979A - Chemical process and product : en fr
  • BE447710A - : fr
  • GB549698A - Improvements in or relating to light polarizers : en
  • DE728590C - Process for the production of azo dyes : de en
  • US2303322A - Fibrous container manufacture : en
  • USD134449S - Anderson display rack : en
  • SU62509A1 - Device for reducing sparks when turning off the DC electromagnet : en ru
  • US2303431A - Shoe and shoe bottom unit : en
  • SU62744A1 - Optical telegraphy device : en ru
  • CH224489A - Electric switch. : de en
  • PL31063B1 - : en pl
  • SU62506A1 - Device for determining wind in the upper atmosphere : en ru
  • SU62513A1 - Direction finder : en ru
  • CA408938A - Electrostatic condenser and dielectric : en fr
  • CH224412A - Sight glass device for systems for the delivery of liquids. : de en
  • CH224500A - Equipment on headlights, in particular on those of vehicles, for attaching darkening attachments. : de en
  • SU62401A1 - The method of bright annealing of steel tape : en ru
  • SU62584A1 - Drainage at hydrostation : en ru
  • SU62747A1 - The way to improve the quality of alumina cement : en ru
  • US2303695A - Differential rudder for airplanes : en
  • US2303805A - Apparatus for making sheet glass : en
  • GB549619A - An improvements in or relating to the cooling of gear units : en
  • SU62693A1 - Device for simultaneous simultaneous control of several cranes : en ru
  • US2303998A - Power and mixture control : en
  • FR877367A - Electric capacitor : en fr
  • SU62303A1 - The method of construction of reinforced concrete lining pressure tunnels : en ru
  • US2303929A - Device for separating adhesive stamps from paper, etc. : en
  • BE447632A - Manufacturing process for acidic condensation products, soluble in water : en fr
  • US2303385A - Sheet feeding device : en
  • US2303509A - Stapling machine : en
  • CH224381A - Cultivation system for mushrooms, bleached vegetables or the like. : de en
  • US2303432A - Shortening : en
  • US2303908A - Stemming machine : en
  • DE728719C - Ring-shaped headset with contact on one side for magnetic sound recording devices : de en
  • FR877273A - Rapid melt analysis process : en fr
  • CH224452A - Device for determining the static and dynamic behavior of a construction that has at least one tensioned rope. : de en
  • US2303705A - Handle for saw frames : en
  • US2303738A - Transmission assembly : en
  • FR877157A - Improvements to rotating anode chi-ray tubes : en fr
  • SU62310A1 - A method of making composite Gall chain stars : en ru
  • FR877256A - Improvements to single-acting reciprocating motors or machines : en fr
  • DE728752C - Chain tree brake for looms : de en
  • GB549689A - Apparatus for the treatment of metal and like articles with liquids or vapours for degreasing : en
  • US2303638A - Magnetic transmission or clutch : en
  • US2303727A - Means for testing underground strata for the fluid content thereof : en
  • US2303637A - Power transmission device : en
  • US2303597A - Measuring pump : en
  • US2303661A - Fuse : en
  • US2303965A - String propelled toy airplane : en
  • FR877351A - Inductive tuning device : en fr
  • FR877359A - Signal transmission : en fr
  • DE728626C - Dialyzer : de en
  • DE728880C - Automatic gear shift, especially for electrically operated vehicles : de en
  • DE728572C - Motorbike chassis with a frame suspended on the front and rear wheels : de en
  • DE728793C - Vehicle toy with a device for setting different speeds : de en
  • FR877371A - A process for embellishing and improving textile products : en fr
  • SU62728A1 - Device for measuring the level of liquids : en ru
  • FR877294A - Device for controlling the advance in reproducing machines, in particular in reproducing milling machines : en fr
  • DE728804C - Process for the preparation of salts of morphine with aralkylcarboxylic acids : de en
  • DE728586C - Procedure for remote control over power networks : de en
  • DK60384C - Protection device at circular saws. : da en
  • DK60385C - Mechanism for Communicating Impulses to a Body or a Machine Part, in particular for Use as a Vibration Damper. : da en
  • CA408966A - Furnace temperature control system : en fr
  • DE728784C - Portable container, in particular suitcase, with a lid hinged to the container by means of swivel arms : de en
  • PL31120B3 - The method of producing alcohol : en pl
  • PL31148B1 - A method of producing an acid solution of calcium sulphite for the pulp industry : en pl
  • DE728660C - Projection arc lamp : de en
  • CH224531A - Device for the servo-motor actuation of switching devices on change gears driven by a motor. : de en
  • AU739642A - Improvements in receivers of frequency or phase-modulated carriers : en
  • PL31129B1 - flskania-Werke flktiengesellschaft, Berlin Indirectly acting regulator : en pl
  • SU62528A1 - The method of obtaining tile tea : en ru
  • SU62614A1 - Feather pen : en ru
  • US2303537A - Production of hydrogen chloride : en
  • DE728669C - Connection of machine parts through eccentric tapping : de en
  • SU62761A1 - The method of obtaining 2-sulfanyl-amido-gamma-picola : en ru
  • SU62773A1 - The method of obtaining terpingidrata : en ru
  • US2303820A - Stabilizing solution of tetra-alkyl lead compounds : en
  • US2303949A - Conduit bend : en
  • GB549732A - Improvements in or relating to sparking plugs : en
  • US2303345A - Process of making predominantly plastic material and tough products thereof from lignocellulose : en
  • US2303839A - Feeding mechanism for sewing machines : en
  • CA408985A - Filament forming composition spinning apparatus : en fr
  • US2303401A - Resistance or fuse wire : en
  • US2303742A - Stereoscopic device : en
  • CH224536A - Saddle support device for bicycles. : de en
  • DE728781C - lubricant : de en
  • US2303515A - Method and apparatus for constructing make-alive electrodes : en
  • AU118548B2 - Improvements in receivers of frequency or phase-modulated carriers : en
  • CH224530A - Baby carriage. : de en
  • SU62398A1 - Method for producing vitamin C concentrate from pine needles : en ru
  • US2303427A - Insulation : en
  • FR877217A - Advanced shifting : en fr
  • DE728677C - Method for regulating the frequency in AC power distribution networks that are fed by two or more spatially separated power plants : de en
  • US2303335A - Method of emplacing concrete : en
  • SU62559A1 - Fitting to a tractor for measuring the treated area : en ru
  • US2303455A - Supervising arrangement for relay systems : en
  • US2303521A - Operation counter for protector tubes : en
  • US2303706A - Fastener : en
  • SU62789A1 - Conic bulb : en ru
  • US2303726A - Golf green drill : en
  • DE728812C - Device to prevent overriding in low-frequency transmission systems that are dynamically regulated : de en
  • DE728872C - Washing vessel that can be inserted in an oven with hot air supply : de en
  • US2303624A - Door lock : en
  • GB549680A - Improvements in and relating to a fluid bottle : en
  • FR877283A - Fireplace Saver Tray : en fr
  • GB549750A - Improvements in or relating to the balancing of the free tilting moments of the first order in two-stroke internal combustion engines : en
  • AU363941A - Streamlined projectile : en
  • US2303490A - Unloading attachment for trucks : en
  • GB549696A - An improvement in or relating to splined shafts : en
  • CH224461A - Method of making a stereophonic sound recording. : de en
  • US2303575A - Frequency multiplier : en
  • CA408929A - Tension lock bolt : en fr
  • CH224435A - Newspaper holder. : de en
  • CH224492A - Quenching spark gap. : de en
  • US2303630A - Electrical fixture : en
  • DE728697C - Arc converter with shield and main electrodes : de en
  • DE728774C - Overlay receiver for ultrashort waves : de en
  • DE728810C - Device for automatic level control in signal transmission systems : de en
  • FR877164A - Printing cylinder lamination process : en fr
  • US2303424A - Spindle unbalance detector : en
  • US2303732A - Cowl flap mechanism : en
  • US2303377A - Communication system with voiceoperated switching mechanisms : en
  • US2304044A - Voltage regulation and rectification : en
  • SU62538A1 - Device for lining points by coordinates : en ru
  • SU62565A1 - Cyclone : en ru
  • AT160886B - Synchronizing circuit : de en
  • GB549611A - Improved means for locking containers on vehicles : en
  • GB549749A - Improvements in electric lighting fittings : en
  • GB549747A - Improvements relating to air-warming and ventilating systems : en
  • FR877385A - Process for separating aluminum from aluminum sheets to which foreign bodies adhere : en fr
  • GB549656A - Improvements in or relating to fluid operated friction clutches and desludging devices therefor : en
  • CA408977A - Shotgun cartridge wad : en fr
  • CH224514A - Air foam generator. : de en
  • CH224556A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • FR877167A - Articulated sole : en fr
  • DE728751C - Roller with sanding belt or the like : de en
  • FR877153A - Gramophone disc changer : en fr
  • FR877297A - Roof covering : en fr
  • DE728756C - Individual dryer roller drive for paper and similar machines : de en
  • FR877266A - Corrugated iron crampon : en fr
  • SU62749A1 - Vibrating screen : en ru
  • US2303329A - Zinc oxide : en
  • SU62641A1 - Therapeutic block powder : en ru
  • SU62766A1 - Millstone set : en ru
  • USD134484S - Gradisar etal projection apparatus : en
  • SU62411A1 - Undercarriage for the gates of slipways, etc. structures : en ru
  • US2303703A - Method of dewaxing mineral oils : en
  • US2303704A - Temperature responsive device : en
  • DE728533C - Process for the preparation of salts of aliphatic aminosulfinic acids : de en
  • CH224535A - Device for mending, in particular vulcanizing, the casing and air hoses of rubber tires. : de en
  • CA408982A - Aminophenol preparation : en fr
  • GB549634A - Process for the manufacture of diamidines of the stilbene series : en
  • GB549701A - Improvements in or relating to electro-acoustic devices : en
  • FR877284A - Diesel fuel purification process : en fr
  • GB549630A - Improvements relating to infusion packages : en
  • CH224547A - Process for the production of a copper-containing trisazo dye. : de en
  • GB549712A - Improvements in or relating to shredding apparatus and methods of shredding fibrous material : en
  • AU116169B2 - Improvements in methods and processes in manufacturing paints : en
  • CH224501A - Additional headlights for cornering and fog lights on motor vehicles. : de en
  • SU62516A2 - Magnetofugal submersible piston press : en ru
  • BE447550A - : en
  • PL31021B1 - : en pl
  • SU62587A1 - Seed Impaction Machine : en ru
  • US2303680A - Catalyst recovery : en
  • DE728581C - Guide horn for self-actuating rigid central buffer couplings, especially on rail vehicles : de en
  • DE728601C - Protective gas mask made of thin, gas-tight material, which is stiffened to prevent breathing from algae : de en
  • CH224486A - Brushes containing silver and graphite for electrical machines and apparatus. : de en
  • PL31138B1 - : en pl
  • PL31086B1 - Method for removing carbon monoxide from light gas : en pl
  • CA408926A - Thread and film production : en fr
  • CA409061A - Hydrocarbon oil dewaxing method : en fr
  • CH224467A - Silver-copper alloy, particularly suitable for electrical contacts. : de en
  • DE728689C - Candlesticks : de en
  • DE728701C - Process for the preparation of chlorination products from butadiene polymers : de en
  • DE728769C - Spring-loaded safety valve for steam boiler : de en
  • SU62626A1 - Essential oilseed harvesting machines, such as sage : en ru
  • GB549602A - Improvements in refrigerating system : en
  • FR877341A - Longitudinal and transverse impedance quadrupole for ultrashort waves : en fr
  • SU62612A1 - Distillation Column : en ru
  • SU62736A1 - Inset mechanism for circular grinding machines : en ru
  • US2303525A - Labeling machine : en
  • US2303760A - Machine for cutting sheet metal : en
  • FR877303A - Winding body fixing system : en fr
  • CH224540A - Electric signal box with lock dependency. : de en
  • AU116170B2 - Improvements in raising and lowering mechanism of agricultural and like implements : en
  • DE728879C - Control for combustion electric vehicles : de en
  • GB549767A - Improvements in and relating to electrical transformers : en
  • CH224418A - A process for the preparation of an etersive composition. : en fr
  • DE728835C - Process for the preparation of ring-alkylated 6,6'-dinitrostilbene-2,2'-disulfonic acids : de en
  • FR877261A - Friction wheel drive, with oscillating mounting of the controlled friction wheel : en fr
  • US2303378A - Float controlled bypass : en
  • US2303914A - Circuit interrupter : en
  • CA409071A - Brake shoe anchoring means : en fr
  • US2303896A - Hack saw grinding fixture : en
  • GB549650A - An improved device for reducing eddy-current losses in stator end plates of dynamo-electric machines : en
  • US2303739A - Window and door casing construction : en
  • CA408956A - Fumigant : en fr
  • CH224396A - Emptying device on the cistern. : de en
  • DE728693C - Process for the preparation of 4-aminostlbene-2,2-disulfonic acid-4-hydrazino-N-sulfonic acid : de en
  • CH224496A - Heavy-duty interference suppression choke. : de en
  • FR877194A - Machine for cutting remnants and branches : en fr
  • GB549699A - An improved method of controlling the water content of hydrocarbon fluids : en
  • CH224555A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • CH224476A - Cutting member for use in dry razors. : de en
  • US2303836A - Brush holder wiring means : en
  • US2303535A - Filter bed scraper : en
  • GB549686A - Improvements in linear dimension gauges : en
  • GB549681A - Improvements in or relating to turbine blades : en
  • FR877230A - Ball joint : en fr
  • US2303838A - Mechanism for the interconversion of reciprocation and rotation : en
  • CH224440A - Apparatus for end-to-end gluing of cinematographic films. : en fr
  • PL31149B1 - A device for maintaining steam locomotives : en pl
  • SU62317A1 - Induction sensor for transmitting instrument readings with a circular motion of an arrow : en ru
  • SU62603A1 - The method of producing vinyl chloride : en ru
  • US2303926A - Attachment for windshields : en
  • US2303944A - Conversion of hydrocarbon oils : en
  • DE728815C - Device for switching over large mass tuning means : de en
  • SU62671A1 - Electrode holder : en ru
  • US2303740A - Method of treating fish and fish livers and resulting product : en
  • DE728592C - Device for melting fat from animal corpses or parts thereof : de en
  • US2303493A - Diversity signaling system : en
  • USD134465S - Design fob a bottle stopper or the like : en
  • USD134466S - Design for a ventilator for vehicles : en
  • FR877202A - Electric hotplate for heaters, food warmers and analogues : en fr
  • US2303546A - Method of separating impurities from lubricating oils : en
  • US2303336A - Apparatus for emplacing concrete : en
  • FR877233A - Autogenous electric resistance welding device with rod or roller electrodes : en fr
  • US2303605A - Rochelle salt production : en
  • SU62527A1 - Metal cutting tool : en ru
  • FR877281A - Dyes for mordants and their manufacturing process : en fr
  • SU62551A1 - The method of lapping gears : en ru
  • PL31124B1 - A method of producing chrome-containing coatings welded to the workpiece : en pl
  • SU62463A1 - Acetone Production Method : en ru
  • SU62524A1 - Automatic arc welding device : en ru
  • SU62352A1 - Piston Ring Crimper : en ru
  • PL31077B1 - A way to increase the sensitivity of image spreaders and the device to apply it : en pl
  • DE728840C - Arrangement for the supply of direct current consumers via rectifiers from an alternating current network : de en
  • US2304029A - Ventilating system for telephone booths : en
  • SU62470A1 - Sinek copy machine : en ru
  • SU62254A1 - Instrument for drawing and plotting a normal geologic column : en ru
  • DE728570C - Window for gas protection masks, in which the clear pane is provided with a tip that serves as a handle and is held by a snap ring : de en
  • DE728600C - Gas mask with air flushing of the window panes : de en
  • FR877364A - Tetra-kis-azo dyes and process for the preparation of these dyes : en fr
  • GB549605A - Combined electric motor, clotch and brake unit : en
  • SU62282A1 - The method of trapping sulfur dioxide and sulfuric acid cuff : en ru
  • SU62345A1 - The method of manufacture of multi-layer construction plates : en ru
  • DE728764C - Process for the production of hollow bodies from steel by the cold spray process, starting from a preformed cup : de en
  • SU62595A1 - Wash cabinet for various parts : en ru
  • US2303692A - Calculating machine : en
  • US2303754A - Pineapple sorting apparatus : en
  • US2303778A - Soil pipe : en
  • US2303388A - Tuning impedance for high radio frequencies : en
  • SU62572A1 - A method of manufacturing a hard metal by metal-ceramic : en ru
  • US2303506A - Switching system : en
  • DE728717C - Shipping channel tunnel with a device to remove obstacles in the fairway : de en
  • DE728656C - Rigid, double-walled tube sheet for heat exchangers : de en
  • SU62648A1 - Stone trap to suction, etc. cars : en ru
  • SU62341A1 - Method of gas carburizing tool : en ru
  • SU62670A1 - Device for detecting defects in products : en ru
  • US2303395A - Method of making decorated material : en
  • AT160887B - Three or polyphase transformer : de en
  • PL31151B3 - Company Georg von Giesche's Erben, Wroclaw Zinc alloy for casting : en pl
  • US2303956A - Apparatus for right-and left-hand duplicating : en
  • CA409076A - Chain type sawing machine : en fr
  • US2303359A - Container : en
  • SU62290A1 - Anchor of DC electric machine : en ru
  • CA408989A - Rubber vulcanization accelerator : en fr
  • CA408988A - Aminophenol preparation : en fr
  • CH224439A - Glare device for projectors. : de en
  • SU62768A1 - Bucket for supplying sealing material to the sockets when sealing the pipeline joints : en ru
  • FR877337A - Electrical cut-off device : en fr
  • US2303631A - Toy structural element and joint made therefrom : en
  • SU62567A1 - Cleaning space fixing : en ru
  • US2304039A - Clutch plate : en
  • CA408954A - Surface covering material : en fr
  • CA409045A - Magnesium carbonate composition : en fr
  • PL31156B3 - A method of producing a volatile skin irritant : en pl
  • US2303890A - Control instrument : en
  • US2304032A - Reversible multispeed drive : en
  • US2303508A - Wiping mechanism for labeling machines : en
  • US2303982A - Adhesive : en
  • US2303989A - Signal translating apparatus : en
  • SU62498A1 - Water purification method : en ru
  • US2303950A - Conduit bend : en
  • CA409032A - Hydrocarbon dehydrogenation : en fr
  • SU62642A1 - Voltage regulation method in resistance welding machines : en ru
  • AU334841A - Improvements in or relating to fuel tanks for aircraft : en
  • PL31070B1 - C. Lorenz Aktiengesellschaft, Berlin - Tempelhof Television set : en pl
  • FR877286A - Electromagnetic control device for selectors : en fr
  • CH224509A - Foot muscle massager. : de en
  • GB549737A - A new or improved gauge : en
  • PL31028B1 - : en pl
  • SU62224A1 - Electronic generator : en ru
  • SU62650A1 - The method of tanning pork skins : en ru
  • US2303886A - Adjustable hinge for doors : en
  • PL31052B1 - : en pl
  • GB549612A - Improvements in or relating to knitting machines : en
  • US2303808A - Fluid-flow control means : en
  • US2303975A - Automatic transmission : en
  • FR877264A - Soldering pliers : en fr
  • DE728666C - Record mass : de en
  • PL31085B1 - Heinz Honnef, Berlin Electric power plant with large wind turbines : en pl
  • SU62350A1 - Surface Heat Exchanger : en ru
  • SU62246A1 - Artificial horizon for aircraft : en ru
  • SU62474A1 - The method of applying a coating layer of liquid glass on concrete surfaces : en ru
  • US2304010A - Swimming mitt : en
  • US2304036A - Metal insert for molded plastic articles and method of installing same : en
  • CH224565A - Floatable motor vehicle. : de en
  • AT160890B - Drive device for motor vehicles : de en
  • SU62316A1 - The method of placement of the supports of overhead electrical lines : en ru
  • AU116186B2 - Improvements in and connected with furnaces used in heating materials : en
  • SU62324A1 - Device for measuring color temperature : en ru
  • US2303594A - Lock protected filling cap for liquid fuel tanks : en
  • DE728865C - Device for combining the layers of material that are stacked on top of one another and to be dismantled in the cutting machine equipped with a vertical, preferably band-shaped knife : de en
  • US2303410A - Preset frequency rejection in intermediate frequency amplifiers : en
  • US2303511A - Harmonic generator : en
  • DE728902C - Perpetual calendar : de en
  • PL31046B1 - : en pl
  • SU62548A1 - Shutter for freight car ceiling hatch : en ru
  • SU62400A1 - A device for measuring ship roll : en ru
  • US2303736A - Putting instruction device : en
  • AT160881B - Process for the regulation of continuously working fractionation distillation apparatus : de en
  • SU62562A1 - Electron beam compass : en ru
  • GB549631A - Improvements in or relating to spark plugs and a method of making the same : en
  • GB549644A - Improvements in or relating to inductive coupling arrangements : en
  • US2303971A - Card rack : en
  • PL31041B1 - : en pl
  • SU62510A1 - Speed measuring device : en ru
  • US2303528A - Production of artificial materials : en
  • CA408948A - Mattress or cushion spring structure : en fr
  • GB549652A - Improvements in or relating to stranded wire rope and methods of making the same : en
  • US2303416A - Method of producing heat exchange apparatus : en
  • DE728750C - Device for determining the steepness of light-sensitive layers for image or sound recordings : de en
  • FR877346A - Comb shaped switch for airplanes : en fr
  • US2303641A - Gyroscopically operated indicator for aircraft : en
  • US2303875A - Remote control system : en
  • US2303639A - Grinding machine : en
  • CA409016A - Balanced vibratory converter circuit : en fr
  • CH224397A - Emptying device on liquid containers. : de en
  • SU62772A1 - The method of cleaning picric acid : en ru
  • US2303612A - Web-washing apparatus : en
  • USD134455S - Design for a refrigerator cabinet : en
  • US2303671A - Index : en
  • SU62769A1 - Se lka : en ru
  • US2303523A - Tire interliner : en
  • DE728508C - Highly durable objects exposed to high pressures at high temperatures : de en
  • US2303722A - Piston ring : en
  • US2303827A - Trailer construction : en
  • US2304023A - Pipe cleaner : en
  • SU62661A1 - Electroplating apparatus for small parts : en ru
  • US2303985A - Fare box : en
  • US2303481A - Synchronous generator having special damper winding : en
  • SU62340A1 - Molding method : en ru
  • PL31053B1 - : en pl
  • US2303953A - Circuit interrupter : en
  • SU62632A1 - Method of grinding sheet glass : en ru
  • SU62465A1 - The method of controlling the size and detection of surface defects in products : en ru
  • US2303562A - Control mechanism : en
  • US2303636A - Ice tray grid : en
  • US2303769A - Polymerization of olefins : en
  • PL31029B3 - Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen m. B. H ,, Bcrlin HtKnGl / ^ Electric mercury lamp : en pl
  • SU62221A1 - Device for adjusting the guiding apparatus for moving from the hydroturbine site : en ru
  • CA409031A - Time recorder : en fr
  • DE728748C - Metal cloth for paper machines : de en
  • US2303530A - Gauge : en
  • US2303560A - Gear puller : en
  • CA408986A - Rubber vulcanization accelerator : en fr
  • US2303327A - Gun mounting : en
  • PL31144B1 - A method of producing a thickener for printing inks : en pl
  • SU62788A1 - A device for metering water flow in pipelines : en ru
  • US2303932A - Personal cleaning composition : en
  • US2304027A - Pipe threading machine : en
  • SU62570A1 - Borehole depth gauge : en ru
  • US2303596A - Sheet thickness gauge for continuous rolling mills : en
  • US2303963A - Method of making luminescent material : en
  • USD134464S - Zeilman portable crane : en
  • PL31094B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m. B. H., Berlin Radio receiver, button-tuned to a number of predetermined broadcasting stations : en pl
  • SU62755A1 - Apparatus for rotating cotton machine spindles : en ru
  • US2303790A - Door lock : en
  • SU62337A1 - Gas generator for gasification of fine-grained fuels in suspension : en ru
  • CA409028A - Meat chilling method : en fr
  • CH224414A - Process for the production of synthetic threads from polymers by the wet method of synthetic threads produced by the process and device for carrying out the process. : de en
  • DE728639C - Guide rail for chainsaws : de en
  • FR877318A - Special stuffing for trees : en fr
  • SU62381A1 - Netting machine without running board : en ru
  • US2303702A - Thermostatic control device : en
  • US2303878A - Typewriting machine : en
  • CH224415A - Clamping device for belt-shaped drive means. : de en
  • US2303489A - Rerailing device : en
  • US2303531A - Sanding and polishing tool : en
  • US2303751A - Automatic lock slider : en
  • USD134471S - Closure for water container : en
  • AT160878B - Capillary active agents : de en
  • SU62349A1 - Method of drying hydrohort : en ru
  • SU62307A1 - Device for controlling the flow of steam into the cylinders of internal combustion engines : en ru
  • FR877240A - Process for manufacturing hollow bodies from any fibrous material : en fr
  • GB549632A - Rotatable packaging machines and methods : en
  • US2303370A - Poly-alkylol ketones and derivatives, and process of making same : en
  • US2303559A - Checkerwork construction : en
  • AT160880B - Visual file with sheets of leaves lying on top of each other in scales : de en
  • CH224449A - Method and machine for measuring the skewer diameter of ampoules and for sorting the ampoules. : de en
  • FR877316A - Grip studded strap : en fr
  • FR877270A - Device indicating the direction of the deviations of the frequencies of two electrical oscillations : en fr
  • SU62485A1 - Metal chloride chloride flux for soldering and tinning of products from silicon-containing alloys : en ru
  • SU62519A1 - Light indicator : en ru
  • IE16411L - Servo brake device : en
  • US2303319A - Mulling apparatus : en
  • PL31141B1 - : en pl
  • SU62298A1 - Method for making abrasive paper or web : en ru
  • SU62725A1 - Device for reclosing high voltage : en ru
  • SU62748A1 - The method of obtaining electrical insulating tape : en ru
  • CH224406A - Process for the elimination of phosphorous hydrogen from gases, especially acetylene. : de en
  • SU62714A1 - The method of processing the optical surfaces of nitrate : en ru
  • SU62706A1 - Door for pastry and bakery ovens : en ru
  • SU62523A1 - Program thermostat : en ru
  • SU62380A1 - The hatch to steamers, etc. vessels : en ru
  • US2303529A - Machine for grinding the blade surfaces of screw propellers : en
  • US2303640A - Carburetor : en
  • DE728640C - Process for the production of artificial masses : de en
  • PL31027B1 - A device that includes a stylus for drawing two or more points on an image : en pl
  • US2303357A - Seismic wave amplifier : en
  • US2303548A - Mercury relay : en
  • US2304058A - Current collector : en
  • US2303468A - Washing machine : en
  • US2303391A - Electric condenser aggregate : en
  • US2303980A - Automobile ash tray : en
  • GB549651A - Improvements in liquid-break electric circuit breakers : en
  • DE728837C - Method of making planographic printing plates : de en
  • FR877178A - Cutting speed indicator for machine tools : en fr
  • FR877313A - Polymerization products and their preparation process : en fr
  • SU62699A1 - The method of equipment minerals : en ru
  • DE728759C - Quick opening and closing valve : de en
  • US2303565A - Power tool : en
  • US2303633A - Film gate for picture projecting machines : en
  • FR877207A - Continuous and unlimited force movement until it wears out : en fr
  • US2303540A - Watch timing apparatus : en
  • PL31125B1 - Company C. & R. Brenninkmeyer, Berlin Trailer for clothing labels or the like : en pl
  • CH224407A - Cooking appliance. : en fr
  • CH224528A - Bag holder. : de en
  • GB549618A - Improvements in traversers : en
  • GB549679A - Improvements in or relating to control and protective systems for electrical apparatus : en
  • PL31023B1 - : en pl
  • US2303408A - Heat treatment of projectiles : en
  • US2303962A - Concentration of mica : en
  • US2303713A - Aircraft : en
  • US2303791A - Adhesives : en
  • GB549687A - A temporary securing bolt : en
  • US2303563A - Cathode ray tube and luminescent screen : en
  • SU62776A1 - Power Feeder : en ru
  • AU494842A - Improvements relating to electric current measurement in rectifier systems comprising a floating storage battery : en
  • CH224527A - Carrying device, especially for shopping nets and the like. : de en
  • DE728632C - Power signal box without mechanical locking register : de en
  • SU62740A1 - Machine for processing fruits subject to canning, mainly peaches : en ru
  • SU62244A1 - Method for separating waxes from peat resin : en ru
  • SU62741A1 - Method for preparing 2-methyl-4-amino-5-pyrimidylacetic ester : en ru
  • US2303979A - Washing machine : en
  • CH224391A - Gas water heater. : de en
  • SU62495A1 - The device for building grids : en ru
  • SU62683A1 - Device for registering the number of bits : en ru
  • DE728648C - Gas mask : de en
  • SU62213A1 - Brake device of bilateral action : en ru
  • DE728807C - Method for operating double-directional telex connection lines combined into bundles and used for switching traffic : de en
  • GB549692A - Improvements in or relating to vacuum or pressure operated servo brake devices : en
  • AU363441A - Production of polymeric materials withan improved resistance to water : en
  • CH224473A - Process for the production of mechanically highly stressed workpieces from hardenable aluminum alloys, as well as a workpiece produced according to this process. : de en
  • GB549745A - Improvements in or relating to blinds : en
  • US2303670A - Stanchion for trolley vehicles : en
  • DE728700C - Structural members for ready-to-assemble wooden houses : de en
  • SU62812A1 - Internal combustion turbine : en ru
  • SU62367A1 - A method of making prints for copying them on photosensitive papers : en ru
  • SU62669A1 - Device for electron-optical image conversion : en ru
  • SU62809A1 - Attachment to sewing machines for feeding stitched products to the needle : en ru
  • US2303837A - Building construction : en
  • SU62284A1 - Pit furnace for burning pyrite : en ru
  • SU62618A1 - Device for continuous casting steel ingots : en ru
  • SU62376A1 - Automatic mixture composition corrector for aircraft engines : en ru
  • SU62388A1 - Device for planting dough in a tandyr oven : en ru
  • DE728627C - Process for the preparation of succinic acid and its alkyl homologues : de en
  • DE728735C - Electric push-button switch with snap spring clamped between fixed abutments : de en
  • DE728741C - Brush comb : de en
  • CA409035A - Electric vibrator : en fr
  • CH224438A - Photographic recording process and roll film camera for carrying out the process. : de en
  • SU62476A1 - Manual scraper with mechanized connecting rod drive : en ru
  • FR877278A - Mixed sound recording process : en fr
  • FR877398A - Regulating device for gasoline and liquid fuel diesel engines : en fr
  • CH224426A - Process for the production of an aluminum hydroxide pectin adsorbate which is particularly effective as an emulsifier and cleaning agent : de en
  • AU300841A - Improvements in electric torches : en
  • CA409055A - Artificial stone making method : en fr
  • US2303366A - Amide : en
  • US2303476A - Drier for textile threads : en
  • US2303861A - Grounding device : en
  • PL31065B1 - A method of transmitting image and line pulses and an apparatus for transmitting this way : en pl
  • PL31091B1 - Device for preventing the dazzling effect of strong light sources in night traffic : en pl
  • US2303571A - Clasp : en
  • USD134459S - Design for a doll or similar article : en
  • PL31018B1 - Patent-Treuhand-Gesellschaft fur elektrische Gliihlampen m. B. H., Lamp with two light sources of different kinds for alternating current : en pl
  • US2303644A - Antenna system : en
  • SU62708A1 - Grounded broadcast antenna mast : en ru
  • PL31131B1 - Maybach-Motorenbau Gesellschaft mit beschrankter Haftung, Friedrichshafen a. B. Multiple-speed transmission and hydraulic pedal unit for transmitting the power from the internal combustion engine as a drive motor to the driving wheels of a motor vehicle : en pl
  • SU62694A1 - A machine for wrapping truffle varieties and the like. : en ru
  • SU62800A1 - Electric machine : en ru
  • US2303651A - Gauge : en
  • DE728768C - Foaming agents : de en
  • GB549657A - Improvements in and relating to surface grinding machines : en
  • CH224558A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • BE447673A - Electric hammer : en fr
  • FR877374A - Rear engine omnibus in a low bed planoher car : en fr
  • GB549714A - Improvements in and relating to telephone switching and exchange systems and apparatus : en
  • GB549744A - An improvements in or relating to the production of splines : en
  • GB549759A - Shop window display apparatus : en
  • US2303847A - Towing machine : en
  • SU62218A1 - Electrode for ultra high pressure mercury lamps : en ru
  • PL31106B1 - Additional device for firing room stoves, especially wet ones : en pl
  • SU62452A1 - Interference limiter : en ru
  • SU62746A1 - Portable device for electrocontact one-sided welding of rods to sheets : en ru
  • US2303452A - Sash fastener and holder : en
  • US2303951A - Internal combustion engine plant : en
  • CA408962A - Jordan engine plug jacket : en fr
  • US2303376A - Breathing mask : en
  • US2303872A - Stoker motor : en
  • US2303496A - Circuit interrupter : en
  • US2303502A - Draft proof shower curtain : en
  • PL31024B1 - : en pl
  • US2303405A - Alloy : en
  • US2303939A - Venetian blind tape : en
  • DE728644C - Process for the production of synthetic rubber-like compositions : de en
  • CH224477A - Process for the execution of a table and table obtained by this process. : en fr
  • SU62285A1 - The method of removing products from an electric induction type heater : en ru
  • DE728664C - Molded body : de en
  • FR877246A - Manufacturing process of dental prosthesis parts : en fr
  • SU62608A1 - The method of dehydration obtained from the needles of tree species concentrates of vitamin C : en ru
  • CH224518A - Alternating current generator. : en fr
  • US2303419A - Two-way signal transmission system : en
  • US2303581A - Network fuse protective control : en
  • SU62455A1 - Apparatus for checking the correctness of laying and wall cladding : en ru
  • US2303753A - Sinker for fishing lines : en
  • US2303799A - Ground speed indicator : en
  • US2303394A - Prestressing reinforced concrete : en
  • US2303627A - Liquid and air supply system : en
  • US2303735A - Manufacture of high antiknock hydrocarbons : en
  • US2303817A - Refrigeration : en
  • AU371141A - Improvements in raising and lowering mechanism of agricultural and like implements : en
  • DE728628C - Process for the production of waxy carboxylic acid amides : de en
  • FR877260A - Steam heating for motor vehicles : en fr
  • CH224471A - Process for the heat treatment of metallic objects in molten salt baths. : de en
  • SU62624A1 - The method of obtaining alumina-silicon alloys : en ru
  • PL31092B1 - Device for extracting threads in double threading machines : en pl
  • SU62760A1 - X-ray mosaic photocathode : en ru
  • US2303483A - Electrical attachment plug : en
  • SU62639A1 - Apparatus for limiting the zone served by a crane hook : en ru
  • US2303337A - Derivatives of the dihalogen hydroxy benzoic acids and process for the manufacture of the same : en
  • CH224390A - Additional warm air heating system. : de en
  • FR877237A - Bay window for airplanes, in particular for airplanes flying at high altitude : en fr
  • AU390341A - Improvements in harvesters : en
  • DE728882C - Connection of a flexible shaft to a device of the wireless transmission and reception technology : de en
  • AU116159B2 - Improvements in photographic objectives : en
  • SU62763A1 - The method of measuring the ratio of two electrical quantities : en ru
  • CA409050A - Sound recording system : en fr
  • PL31098B1 - The method of making polyvinyl chloride solutions or pastes : en pl
  • SU62704A1 - Method for preparing phenylacetic acid and its esters : en ru
  • US2303478A - Shower head : en
  • SU62753A1 - Attachment to sewing machines for feeding stitched products to the needle : en ru
  • US2303331A - Air purification : en
  • CH224393A - Compact, in particular briquette, method and rotating briquette press for its production. : de en
  • CH224493A - Process for the production of an indirectly heated cathode for electrical discharge tubes and cathode produced according to this process. : de en
  • US2303374A - Fountain pen : en
  • US2303618A - Cot holding means : en
  • US2303762A - Conveyer belt : en
  • US2303897A - Multiple glazed unit : en
  • US2303614A - Time control lock : en
  • PL31081B1 - A method of producing liquid motor fuel by catalytic polymerization of gaseous olefins : en pl
  • PL31126B1 - A device for measuring the process forces of gyroscopes : en pl
  • SU62814A1 - Manual bottle capping machine for filling filled bottles : en ru
  • US2303507A - Safety mechanism fob labeling : en
  • US2303485A - Bridge-stabilized oscillator for voice frequency circuits : en
  • SU62393A1 - Internal combustion engine with rotating cylinders : en ru
  • US2303484A - Modulated continuous-wave operation : en
  • SU62327A1 - Zanyan for the detention and removal of floating bodies from water intake facilities : en ru
  • DE728562C - Method of manufacturing composite bearing shells : de en
  • SU62247A1 - Device for attenuating artificial horizon correction on bends : en ru
  • SU62514A1 - Pipe cutting machine : en ru
  • SU62518A1 - The method of obtaining the specified character of the scale of the logometer with intraframe magnet : en ru
  • US2303373A - Fountain pen : en
  • US2303475A - Device for the parallel guidance of tools in performing dental work : en
  • FR877348A - Quaternary ammonium compounds and their preparation process : en fr
  • US2303372A - Loading machine : en
  • US2303688A - Well surveying method and apparatus : en
  • US2303789A - Convertible vehicle body : en
  • US2303917A - Luminescent material : en
  • PL31072B1 - A method of pulverizing and separating metals : en pl
  • FR877365A - Balanced shut-off valve : en fr
  • GB549665A - Improvements in governing gear for engines and other machines : en
  • GB549739A - Improvements in and relating to warp knitting machines : en
  • CH224522A - Sound reproduction device. : de en
  • US2303866A - Water cooled stoker : en
  • CH224513A - Mascara machine. : de en
  • DE728818C - Load weight made of heavy or artificial stone, especially for floor polishers : de en
  • SU62710A1 - Machine for measuring skin area, etc. of materials : en ru
  • DE728678C - Surge arresters : de en
  • US2303981A - Insecticide : en
  • CA409036A - Ledger tray : en fr
  • FR877166A - Clicking clamshell : en fr
  • US2303444A - Modulation system : en
  • PL31158B1 - : en pl
  • US2303745A - Manufacture of single matted flooring panel : en
  • USD134480S - Design fob a candlestick : en
  • SU62258A1 - Switch overvoltage protection device : en ru
  • SU62318A1 - Electric shutter to control oscilloscope photography : en ru
  • US2303462A - Road marker : en
  • US2303634A - Sink construction : en
  • US2303674A - Marking device : en
  • US2303684A - Portable conveyer : en
  • DE728874C - Shearing device for vertical narrow-chamber weldments : de en
  • US2303446A - Hose supporter : en
  • FR877263A - deflection electrode for polar cathode ray tubes : en fr
  • CH224520A - Receiver for frequency modulated waves. : de en
  • US2303686A - Typewriter margin justifier : en
  • USD134473S - Design for a fire alarm box fkont panel : en
  • SU62313A1 - Device for sealed opening of containers with poisonous substances : en ru
  • FR877378A - flax sheller : en fr
  • GB549645A - Improvements in or relating to duplex optical projection apparatus : en
  • SU62308A1 - A device for supplying fuel to the rocket engine : en ru
  • GB549649A - Protective screen for welding : en
  • GB549768A - Improvements in or relating to sparking plugs and a method of making the same : en
  • US2303316A - Fluid dispensing apparatus : en
  • US2304045A - Bore reflectoscope : en
  • DE728746C - Device for measuring the cutting pressure during machining : de en
  • DE728642C - Process for processing high molecular weight, sulfur-containing condensation products : de en
  • CH224377A - Plow detachably coupled to a tractor. : de en
  • FR877343A - Lighting device for pick-up arms of talking machines : en fr
  • DE728745C - Drum drive for indicators : de en
  • DE728820C - Rope clamp : de en
  • GB549733A - Improvements in and relating to quick-release buckles : en
  • PL31037B1 - Heinrich Lanz Aktiengesellschaft, Mannheim Swivel vehicle frame : en pl
  • PL31057B1 - : en pl
  • US2303488A - Process for making bread : en
  • BE447508A - PROCESS FOR REGENERATION OF SALINE SLAG FROM THE MELT OF WASTE OF ALUMINUM OR ITS ALLOYS : en fr
  • CA409013A - Vibrator converter transformer : en fr
  • DE728532C - Process for the preparation of oxalic ester chloride : de en
  • SU62248A1 - Book dusting machine etc. : en ru
  • SU62497A1 - The method of coloring stones : en ru
  • SU62815A1 - Low frequency amplifier : en ru
  • CA408951A - Wire fabric : en fr
  • SU62428A1 - Spiral fin fin tube exchanger : en ru
  • SU62547A1 - Friction scraper winch : en ru
  • CH224548A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • PL31133B1 - C. Lorenz flktiengesellschaft, Berlin - Tempelhof Connection system for anode voltage generation device in Braun lamps, especially in television equipment : en pl
  • US2303655A - Method of determining gas content of molten brasses : en
  • SU62413A1 - Hand-held glue dispenser : en ru
  • AU364541A - Improvements in photographic objectives : en
  • SU62592A1 - Device for switching speed gearboxes : en ru
  • US2303536A - Garment : en
  • USD134467S - Design for a brooch or similar article : en
  • CH224434A - Geographical album. : en fr
  • US2303859A - Cigarette dispenser : en
  • CH224398A - Float device on liquid containers. : de en
  • US2303466A - Poultry feed : en
  • US2303486A - Machine for mixing and laying paving material : en
  • US2303756A - High silica glass : en
  • DE728776C - Arrangement for determining the side of a DF system : de en
  • SU62441A1 - The method of obtaining sulfuric acid : en ru
  • US2303527A - Carriage : en
  • SE106033C1 - : sv
  • SU62627A1 - The method of obtaining artificial tanning : en ru
  • US2303569A - Artificial tree bark and method of making : en
  • DE728783C - Lock valve housing : de en
  • GB549675A - Improvements in and relating to ornamental devices : en
  • FR877186A - Process and devices for the enrichment of lean gas supplied by a gasifier, improved installations and new gasifiers resulting therefrom for supplying engines : en fr
  • SU62271A1 - Method of adjusting the speed of the induction motor : en ru
  • DE728563C - Process for the preservation of juicy green feed : de en
  • US2303457A - Series speed-control units : en
  • SU62503A1 - A method of making wooden spoons : en ru
  • BE447258A - RADIOELECTRIC RECEIVER DEVICES : en fr
  • DK60389C - Cement-containing powdered material for the production of a curable coating and casting agent. : da en
  • FR877282A - Tanning agents and process for preparing such bodies : en fr
  • USD134491S - Design for a textile fabric : en
  • GB549647A - Improvements in coating metal supports with photographic emulsions : en
  • GB549719A - Improvements relating to women's body belts, corsets and like supports : en
  • SU62331A1 - Concreting method of facing tunnel pressure : en ru
  • US2303960A - Motion picture projector for television use : en
  • CA408936A - Cigarette package and match book : en fr
  • DE728777C - Device for generating a current as a linear function of the sum of n independently variable currents (n> l) with the help of a direct current machine : de en
  • FR877174A - Erasable guide device for picking up line from fishing reels : en fr
  • FR877350A - Rice vitaminization process : en fr
  • FR877360A - Method for determining the yield, elasticity, and tensile strength of textile products, paper, rubber, plastics, metals and the like : en fr
  • SU62274A1 - Vacuum discharge valve test device : en ru
  • SU62533A1 - Method for producing cellulose ethers : en ru
  • US2303970A - Method for desulphurizing mineral oils : en
  • DE728623C - Liquid separation cap for gas lines : de en
  • SU62329A1 - Method of aeration of industrial enterprises with high temperature of working premises : en ru
  • SU62808A1 - A fitting for connecting a pneumatic tool hose to an air duct : en ru
  • AU116171B2 - Improvements in harvesters : en
  • SU62481A1 - Device for measuring the phase shift : en ru
  • SU62522A1 - Device for recording the number of fillings of a measuring vessel : en ru
  • US2303491A - Apparatus for cleaning catch basins : en
  • US2303792A - Self-loading device for shaker conveyers : en
  • SU62529A1 - A device for creating mass circulation in Genze apparatus : en ru
  • US2303480A - Method of producing handle portions : en
  • CH224504A - Cuff intended to be applied to a limb for the purpose of ligating it or fixing a medical device. : en fr
  • SU62635A1 - A method of obtaining rigid characteristics of asynchronous motors : en ru
  • SU62469A1 - The method of manufacturing factual varnishes : en ru
  • US2303465A - Health or humid air cabinet : en
  • USD134457S - Design for a griddle : en
  • USPP557P - Buddleia plant : en
  • FR877259A - Process for gas drying : en fr
  • FR877377A - Tool holder with cone clamping jaws for small fully hardened profile tools : en fr
  • PL31154B1 - Method of obtaining stable solutions of Oleum Sinapis : en pl
  • SU62445A1 - The way to improve the baking properties of flour made from grains with weak gluten : en ru
  • CA408968A - Electromagnetic induction apparatus : en fr
  • SU62440A1 - Method of cleaning phenol tov : en ru
  • US2303330A - Zinc oxide : en
  • US2303874A - Artificial tooth : en
  • US2303968A - Television system : en
  • DE728833C - Device for liquor mixing during the wet treatment of textiles in several wet treatment containers : de en
  • GB549643A - Improvements in or relating to telephone transmitters and receivers : en
  • SU62759A1 - Dual-circuit detector receiver : en ru
  • CA409019A - Sulphuric acid manufacture : en fr
  • US2303840A - Graphic recording instrument : en
  • US2303860A - Ironing element : en
  • CH224379A - Apparatus for growing mushrooms. : de en
  • CH224457A - Talking machine comprising a disc changer of the type with automatic disc change and with a stack of discs carried by lateral supports. : en fr
  • PL31044B1 - : en pl
  • PL31019B1 - : en pl
  • PL31034B1 - : en pl
  • SU62644A1 - Machine for cutting patterns of fur skins : en ru
  • US2303911A - Thermostat mechanism : en
  • PL31121B3 - Telefunken Gesellschaft fur drahtlose Telegraphie m. B. H., Berlin Connection system for automatic gain control and connection system for detecting the balance of measuring bridges : en pl
  • GB549727A - Improvements in or relating to electric high-pressure metal-vapour discharge tubes : en
  • CH224512A - Dismountable plunger injection syringe. : de en
  • DE728883C - Arrangement for recording the sign of transient earth faults in AC systems : de en
  • GB549684A - Manufacture of oxygenated organic compounds : en
  • GB549725A - Improvements in or relating to sewing and like machines : en
  • FR877299A - Mid-suspensors and shock absorbers : en fr
  • GB549704A - An improved dentrifice : en
  • DE728615C - Electrical controller for any physical condition : de en
  • SU62713A1 - The method of gasification of liquid oxygen : en ru
  • FR877277A - Process for dyeing with sulfur dyes : en fr
  • DE728688C - Turn lock for automatic or semi-automatic firearms : de en
  • DE728779C - Battery-powered electric hand lamp with two light sources arranged on different sides of the housing : de en
  • DE728780C - Arrangement for the treatment of substances in the high frequency field : de en
  • GB549662A - Improvements in surgical bedsteads : en
  • DE728617C - Device on a fan to reduce the noise generated by the vibrations of the air flow through interference effects : de en
  • SE106057C1 - : en
  • CH224436A - Steep index with unstaggered cards one behind the other. : de en
  • FR877235A - Operating table : en fr
  • DE728531C - Process for the preparation of aliphatic nitro compounds : de en
  • DE728580C - Sealing of joints on engineering structures : de en
  • CA408972A - Meter thermal demand attachment : en fr
  • US2303709A - Subsurface prospecting : en
  • US2303761A - Clothesline prop : en
  • US2303712A - Fluid eduction : en
  • DE728670C - Device for the production of soldered connections by dipping the parts to be soldered into a vessel containing a liquid solder : de en
  • SU62745A1 - Regulator for automatic regulation of the voltage of alternators : en ru
  • US2303650A - Carrying scraper : en
  • SU62599A1 - Device for automatic removal of filled containers from rotating table of dosing machines : en ru
  • SU62622A1 - Method for the production of canned food (compotes) from whole block : en ru
  • US2303676A - Drafting instrument : en
  • SU62360A1 - Centrifugal mill : en ru
  • SU62709A1 - Automatic thermostatic valve : en ru
  • CA408995A - Filamentary structure production : en fr
  • CA409079A - Surgical ribbon gut : en fr
  • SU62212A1 - The method of laying in a container of steering wheels of cars : en ru
  • FR877156A - Ceramic insulator : en fr
  • FR877227A - Rehearsal device for gramophones for the consecutive automatic passage of several discs : en fr
  • FR877352A - Packaging : en fr
  • US2304014A - Vacuum cleaner : en
  • US2303842A - Process for producing unsaturated aliphatic compounds : en
  • SU62237A1 - Potato processing unit : en ru
  • CA409006A - Multiple hearth calcining furnace : en fr
  • SU62272A1 - Method for correcting focusing of cathode tube electron beam : en ru
  • SU62283A1 - Electrometallization spray head : en ru
  • PL31067B1 - Ernst Gessner Aktiengesellschaft, ftue Flat dryer : en pl
  • PL31013B1 - : en pl
  • PL31083B1 - Catalytic treatment of engine fuel Granted on November 2, 1942 : en pl
  • SU62430A1 - Device for lifting and installing self-centering chucks of machine tools : en ru
  • US2303450A - Method of making shoes : en
  • AU757742A - Improvements in and relating to devices for dispensing or delivering liquids, for instance, ink : en
  • US2303773A - Textile finishing process : en
  • US2303834A - Liquid contact circuit closer : en
  • US2303588A - Method of treating waste water : en
  • CA408994A - Metal coating process : en fr
  • CH224534A - Spare tires for bicycles. : de en
  • DE728604C - Filling device on expansion tanks for hydraulic adjustment mechanisms, especially in aircraft : de en
  • CH224564A - Pocket size letter opener. : de en
  • DE728575C - Jump stamp : de en
  • AT160884B - Internal combustion engine with several fuels supplied via separate feed lines for operation or for starting : de en
  • DE728910C - Mandrel for machines for the production of glued hoses or pipes : de en
  • FR877399A - Process for obtaining coatings, and coatings obtained according to this process : en fr
  • GB549659A - Improvements in and relating to building units : en
  • SU62573A1 - Wire processing method : en ru
  • DE728680C - Fastening device for overlapped laid, corrugated roof and wall panels, especially asbestos cement panels : de en
  • DE728771C - Circuit arrangement for telephone systems with dialer operation and several exchanges : de en
  • FR877289A - Precision automatic tuning device, intended to achieve synchronism between transmitter and receiver, especially in devices with only one transmission channel : en fr
  • US2303381A - Gas turbine power plant and method : en
  • US2303334A - Air purification : en
  • US2303603A - Tartaric acid production : en
  • US2303779A - Store-front display window : en
  • US2303803A - Belt band for watches : en
  • CA408990A - Brush manufacture : en fr
  • CH224431A - Machine for the production of paper, cardboard, cardboard, asbestos-cement and building boards as well as pulp from fibrous materials formed from wood, straw, rag, waste paper and similar materials. : de en
  • CA409040A - Vitaminiferous oil refining process : en fr
  • DE728897C - Ceramic heater with links held together by ceramic tie rods : de en
  • US2303440A - Control system : en
  • FR877189A - Improvements to ultra-shortwave generators incorporating a braking field lamp : en fr
  • FR877222A - Container for transporting hygroscopic materials : en fr
  • SU62217A1 - Self-excited synchronous generator : en ru
  • FR877390A - Motor assembly : en fr
  • FR877314A - Saving hearth grate : en fr
  • SU62737A1 - Method of making metallic brake bands : en ru
  • FR877214A - Rotor with sliding contacts for machines and electrical devices : en fr
  • US2303786A - Electrical system and method : en
  • USD134482S - Lighting fixture or similar article : en
  • GB549722A - Improvements in or relating to engine valve sleeve operating mechanism and lubricating means therefor : en
  • US2303349A - Extrusion mechanism : en
  • US2303936A - Process for making rugs and material therefor : en
  • DE728665C - Device for creating straight shadow and light beam images on workpieces : de en
  • FR877320A - Advanced wood gasifier : en fr
  • US2303365A - Clock mechanism : en
  • US2303600A - Dental impression material : en
  • SU62219A1 - Electric Fluid Heater : en ru
  • PL31130B1 - A method for partitioning synthetic fibers and for producing a viscose sheet, and an apparatus for carrying out the method : en pl
  • US2303876A - Apparatus for sanding highways : en
  • SU62358A1 - Method for elimination of defects in waterproofing of structures : en ru
  • SU62378A1 - Adaptation to differential pressure gauges to trap liquid emitted from a pressure gauge, such as mercury : en ru
  • SU62712A1 - The method of operation of the refrigeration unit : en ru
  • US2303400A - Alkaline detergent : en
  • US2303669A - Stage setting apparatus : en
  • CH224543A - Process for the production of a cross-ribbed warp knitted fabric interspersed entirely or partially with rubber warp threads. : de en
  • CH224405A - Process for lowering the temperature in the drum of a machine for gasifying calcium carbide. : de en
  • CH224470A - Device for preventing the shifting of parts pressed against one another. : de en
  • SU62305A1 - Mechanism for automatically shutting down the supor or machine table : en ru
  • SU62467A1 - The method of preparation of alcohol-free essential oils essences : en ru
  • PL31113B1 - M e f i n a S. fl., Binningen Fuse for artillery fuses : en pl
  • US2304056A - Means to measure alternating potentials : en
  • AT160879B - Capillary active agents : de en
  • DE728778C - Device for keeping the consumer voltage drawn from a constantly loaded battery constant : de en
  • FR877355A - Double wall steamer : en fr
  • FR877358A - Frequency demodulator : en fr
  • PL31050B1 - : en pl
  • SU62602A1 - Electrode arc welding : en ru
  • US2303363A - Process for rendering textiles water-repellent and product therefrom : en
  • USD134458S - Design foe an airplane : en
  • AU329841A - Improved thread-milling or like device : en
  • CA408975A - Plaster board cutting machine : en fr
  • CH224550A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • SU62621A1 - Nest for spinning centrifugal machine mugs : en ru
  • US2303448A - Wheat product and the process of making the same : en
  • SU62723A1 - Device to protect the x-ray tube from overload : en ru
  • CH224389A - Heating system. : de en
  • FR877347A - Lightweight metal piston made by jet or press molding : en fr
  • GB549603A - Improved acid-curing thermosetting resin compositions : en
  • SU62629A1 - The method of stripping wires from isolation : en ru
  • DE728904C - Method for operating multi-stage internal combustion engines with overloading, in particular as high-altitude engines : de en
  • DE728867C - Protection against the escape of gas or air : de en
  • FR877323A - Method of embossing beads or beads on pistons of internal combustion engines : en fr
  • US2303851A - Brake piston packing cup removing device : en
  • SU62365A1 - The method of preparation of small leather to tanning : en ru
  • US2304041A - Centrifugal blasting machine : en
  • SU62404A1 - The method of preparation of mud solutions for washing wells : en ru
  • US2303918A - Impulse transmission : en
  • US2303586A - Brake mechanism : en
  • US2303765A - Preparation of ammonium allantoinate : en
  • CA408942A - Printing press transfer device : en fr
  • CA408930A - Combined advertising device and lighter : en fr
  • CA408980A - Polymerized vinyl ester hydrolysis : en fr
  • SU62803A1 - Device for automatically opening the lid of a centrifugal casting machine : en ru
  • PL31090B3 - Television broadcasting method and apparatus for applying the method : en pl
  • PL31043B1 - : en pl
  • SU62579A1 - The method of cleaning the lances of converters used in non-ferrous metallurgy : en ru
  • US2303701A - Safety shut-off device : en
  • SU62432A1 - The method of producing saponins : en ru
  • SU62682A1 - Device for flotation with the use of blowing agents : en ru
  • SU62778A1 - Lentotkatsky machine : en ru
  • CA409034A - Chain or belt tensioning mechanism : en fr
  • DE728888C - Wind heater or similar heat exchanger working according to the regenerative process : de en
  • SU62402A1 - Horizontal swinging screen : en ru
  • DE728599C - Oxygen breathing device with a reusable piece for the oxygen distribution : de en
  • FR877175A - Improvements in the curtain suspension system : en fr
  • SU62363A1 - Electrode coating for tool welding : en ru
  • DE728517C - Internal combustion compressors or fuel gas generators with free-flying pistons : de en
  • DE728761C - Process for the production of cut parts from polyvinyl chloride foils for the clothing industry : de en
  • US2303663A - Motor fuel manufacture : en
  • US2303952A - Relay : en
  • DE728593C - Process for the production of durable ferrocarbonate preparations : de en
  • DE728824C - Bridge for guiding the tobacco rod of a cigarette machine : de en
  • US2303891A - Control instrument : en
  • US2303895A - Method of remodeling lasts : en
  • US2303689A - Drill pipe protector applicator : en
  • US2303948A - Humidifying construction : en
  • SU62665A1 - Device for regulating the magnitude of negative feedback : en ru
  • CA408998A - Alloy-skeleton catalyst : en fr
  • CA409025A - Siphon system : en fr
  • SU62229A1 - Automatic device to rotate the bottom of the straw collectors : en ru
  • GB549760A - An improved appliance for sifting cinders collected from domestic and like fire grates : en
  • CH224423A - Bran brush machine. : de en
  • DE728449C - Additional gripper : de en
  • DE728853C - Drive device for segment contactors : de en
  • GB549606A - The concentration of aliphatic acids : en
  • GB549710A - Improvements in or relating to charge forming devices for internal combustion engines : en
  • PL31060B1 - A method of preparing rye bread with yeast and leaven at the same time : en pl
  • US2303992A - Injector nozzle : en
  • FR877384A - Process for making a parsilicate : en fr
  • GB549740A - Improvements in or relating to honey comb foundation for bees : en
  • US2303673A - Shelf supporting device : en
  • DE728692C - Process for the production of high percentage alkali metal cyanides from alkali metal cyanide solutions : de en
  • GB549754A - Improvements in and relating to electric lighting fixtures : en
  • FR877251A - Ceramic plates or discs and electric discharge tubes comprising : en fr
  • GB549765A - Rotary take-up for sewing machines : en
  • US2303350A - Metal coating : en
  • USD134456S - Design for an over-bed table : en
  • CA409077A - Engine ignition apparatus : en fr
  • DE728869C - Flushing pump for deep drilling purposes : de en
  • USD134493S - Design for a dress : en
  • US2303900A - Strap connector : en
  • US2303500A - Welder control : en
  • DE728895C - Centrifugal casting device : de en
  • SU62539A1 - The method of strengthening ash heaps, etc. of materials : en ru
  • SU62408A1 - The method of obtaining mesh mesh on round knitting machines of the English type : en ru
  • DE728676C - AC oil contactor for strongly fluctuating actuation voltage : de en
  • SU62556A1 - Dryer with drying chambers : en ru
  • US2303389A - Radio shielded spark plug : en
  • US2303460A - Electric heating apparatus : en
  • US2303664A - Heat exchange apparatus : en
  • PL31011B1 - : en pl
  • CA409000A - Metal strip tensioning device : en fr
  • CA408950A - Pump and filter : en fr
  • CA409074A - Spring cushion structure : en fr
  • CA408943A - Soil disc packer : en fr
  • CA408978A - Polyamide production : en fr
  • US2303420A - Pastry cone provided with sanitary shield : en
  • FR877201A - Automotive car with electric accumulators : en fr
  • US2303925A - Oil burner : en
  • US2303964A - Porous ceramic insulating material : en
  • US2303867A - Method of refrigeration : en
  • CA408996A - Moistureproof wrapping material : en fr
  • SU62805A1 - The method of producing organic acid chlorides : en ru
  • US2303616A - Razor blade sharpener : en
  • CH224429A - Process for the preparation of a lubricating product, and resulting product. : en fr
  • GB549762A - Improvements in apparatus for cooling soap : en
  • US2303375A - Rochelle salt piezoelectric crystal apparatus : en
  • US2303445A - Means for minimizing transient voltages : en
  • US2303720A - Automatic electric welding apparatus : en
  • AU116163B2 - An improved safety shearing flexible coupling : en
  • CA409014A - Vibratory converter circuit : en fr
  • SU62806A1 - The method of obtaining vinyl esters : en ru
  • CH224539A - Automatic optical signaling device on switches in railroad systems. : de en
  • AU116268B2 - Improvements in or relating to detachable conduit couplings : en
  • CA409052A - Ammunition : en fr
  • US2303718A - Window guard : en
  • CH224455A - Wattmeter device. : en fr
  • CH224453A - Micro hardness tester. : de en
  • US2303510A - Assembly means for firearms : en
  • SU62403A1 - Oil ramp holder : en ru
  • DE728497C - Process for obtaining a strong galvanic gold plating on a support : de en
  • DE728569C - Sheet film pack for roentgenographic purposes : de en
  • FR877396A - Rivet for fixing a sole to a shoe : en fr
  • DK60387C - Assault with locks to doors. : da en
  • FR877161A - Revolver lathe with horizontally mounted revolver head with spindle placed on the side of the machine controls in combination with a transverse carriage that can be lowered obliquely : en fr
  • FR877258A - Rotary boiler engine device : en fr
  • GB549626A - An improved vegetable fabric and method of producing the same : en
  • AU116184B2 - Streamlined projectile : en
  • SU62242A1 - Automatic Tester : en ru
  • US2303978A - Collapsible supporting stand : en
  • FR877353A - Plane brake for airplanes, composed of disturbing surfaces that can be oriented approximately perpendicular to the relative wind : en fr
  • FR877216A - Process for the preparation of aryl-alicyclic substituted aliphatic acids or their salt ethers : en fr
  • FR877180A - Process for the condensation and recovery of by-products from the distillation of wood and other woody materials : en fr
  • DE728732C - Single tube amplifier circuit for ultra-short waves : de en
  • GB549635A - Improvements in and relating to devices for automatically stopping a talking machine provided with means for changing discs automatically : en
  • USD134492S - Design for a dress : en
  • USPP556P - Buddleia plant : en
  • CH224541A - Electric signal box. : de en
  • BE447568A - : en
  • CH224378A - Protection device for scythe blade. : en fr
  • DE717366C - Light filter to compensate for color distortions when copying or enlarging color negatives : de en
  • DE728715C - Movable weir : de en
  • PL31101B1 - Vulcanizing device for the production of small rubber items, especially parts of gas masks : en pl
  • SU62684A1 - Harmonic analyzer : en ru
  • US2303930A - Electro-optical system : en
  • PL31145B1 - Drive mechanism for continuously changing the pitch of aircraft and propellers : en pl
  • CA408969A - Electric valve circuit : en fr
  • CA408987A - Aminophenol preparation : en fr
  • AU363741A - Improvements in methods and processes in manufacturing paints : en
  • AU116161B2 - A method of washing anodes : en
  • PL31082B1 - A method of producing porous building materials by forming and bonding a mixture of cement and inert filler materials : en pl
  • US2303538A - Clothes wringer : en
  • CA409010A - Electrical vibrator : en fr
  • US2303757A - Aerating and cooling device : en
  • US2303750A - Lock slider : en
  • USD134483S - Gradisar etal. projection apparatus : en
  • CH224554A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • BE447602A - : en
  • CH224392A - Electric heater. : en fr
  • CH224465A - Device for fixing the outer end of a hairspring in a timepiece. : en fr
  • US2303380A - Sewing apparatus : en
  • PL31128B1 - Rskania-Werke Aktiengesellschaft, Berlin Ln * "L Piston valve, especially for direct-acting water level regulators : en pl
  • SU62658A1 - The method of quenching by the induction method of bodies of complex configuration with acute angles : en ru
  • US2303317A - Engine control mechanism : en
  • US2303858A - Measuring instrument : en
  • US2303747A - Indirect lighting fixture : en
  • SU62265A1 - Piston casting method : en ru
  • DE728813C - Quadrupole with non-linear resistors : de en
  • GB549610A - Improvements in or relating to sheet-feeding apparatus : en
  • US2303845A - Apparatus for the measurement of gravity : en
  • DE728619C - Induction furnace : de en
  • GB549713A - Improvements in or relating to machines for covering electric cables with rubber by extrusion : en
  • CA409051A - Current inverter : en fr
  • CH224411A - Trouser straps. : de en
  • CH224437A - Suspension filing folder with tab. : de en
  • US2303888A - Cutting off plastic ceramic bodies from parent masses : en
  • GB549608A - Improvements relating to dry gas meters : en
  • FR877208A - Device for capturing and reducing water vapor in a gasifier : en fr
  • SU62657A1 - Arc lamp fixture to continuously record the combustion process of a carbon electrode : en ru
  • FR877179A - Container closure device : en fr
  • DE728597C - Screw locking : de en
  • DE728726C - Process for the mechanical separation of coarse-grained rocks containing organic matter : de en
  • GB549688A - Improvements in or relating to devices adapted to clean sieves in operation : en
  • US2303910A - Thermostatic control mechanism : en
  • US2303517A - Manufacture of derivatives of : en
  • US2303880A - Dispensing device : en
  • SU62652A1 - Spinning machine for felt, etc. of the material : en ru
  • CA409046A - Magnesium carbonate composition : en fr
  • DE728765C - Cooling and heating agitator : de en
  • SU62727A1 - Steam separating device for locomotive boiler : en ru
  • SU62771A1 - The method of producing glue : en ru
  • SU62609A1 - The method of obtaining artificial varnish : en ru
  • SU62764A1 - X-ray ray detection device : en ru
  • FR877311A - All-glass electron tube with socket : en fr
  • GB549660A - Improvements in or relating to a device for moistening the ink ribbons of typewriters and like machines : en
  • CA409059A - Colour photography : en fr
  • CH224549A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • DE728841C - Device for testing electricity meters : de en
  • SU62424A1 - The method of obtaining concentrates of vitamin b : en ru
  • US2303822A - Receptacle filler : en
  • DE728811C - Automatically regulated, low-frequency transmission system in terms of dynamics : de en
  • FR877327A - Telecommunications cable with weak magnetic couplings : en fr
  • IE17848L - Luminescent materials : en
  • PL31140B1 - Hans Vogt, Berlin-Steglitz High frequency coil with iron core : en pl
  • FR877296A - Process for the manufacture of yarns and fibers having properties similar to those of wool from viscose : en fr
  • US2303386A - Brush and method of making same : en
  • FR877196A - gas purifier : en fr
  • US2303313A - Garment hanger : en
  • US2303708A - Preservation of rubber : en
  • FR877218A - Devices allowing the substitution, in internal combustion engines, of gasoline, petroleum or fuel oil by acetylene, lighting, butane or other similar gases : en fr
  • GB549731A - Improvements in or relating to the production of improved fatty material : en
  • DE728585C - Electric regulator : de en
  • DE728800C - Process for the production of non-dusting, but easily disintegrating moldings by pressing from finely divided silica : de en
  • CA408960A - Navigation instrument : en fr
  • SU62240A1 - Jet Test Device : en ru
  • US2303879A - Typewriting machine : en
  • USD134485S - Pair of goggles or similar article : en
  • SU62687A1 - Method of deposition of bonding non-conductive materials on powdered metals : en ru
  • DE728827C - Arrangement for establishing a connection in telex switching systems with self-connection operation : de en
  • DE728637C - Catcher pill with an alkaline earth metal-aluminum alloy for electrical discharge vessels : de en
  • DK60388C - Rubber footwear, in particular rubber boots, and the method of making them. : da en
  • DE728643C - Process for processing film waste u. Like. From cellulose esters or ethers : de en
  • US2303775A - Labeling machine : en
  • US2303595A - Device for cutting edibles : en
  • SU62364A1 - Steel : en ru
  • SU62731A1 - Device trial (stop) circuits PBX : en ru
  • US2303367A - Coal cleaner : en
  • US2303428A - Metal scaffolding : en
  • US2303519A - Control means for change-speed gears for motor propelled vehicles : en
  • CA408983A - Aliphatic dinitrile hydrogenation : en fr
  • PL31026B3 - : en pl
  • SU62718A1 - The method of producing glue : en ru
  • CA409033A - Power transmission chain : en fr
  • CH224450A - Method and device for determining the gas volume in a container which is partially filled with liquid and the rest with gas. : de en
  • FR877312A - Process for manufacturing esters soluble in alcohol, natural resins : en fr
  • GB549655A - Improvements in or relating to voltage regulating apparatus for alternating current electric circuits : en
  • PL31039B1 - : en pl
  • DE728662C - Process for the production of artificial masses : de en
  • DE728714C - Beam splitter to avoid weir vibrations on overflowing weir flaps : de en
  • SU62794A1 - Photocell : en ru
  • DE728606C - Wheel hub for vehicles, especially rear hub for motorcycles : de en
  • AU467342A - Germicide : en
  • DE728672C - Wooden sole : de en
  • SU62377A1 - Adaptation to milling machines for sequential milling in inclined and horizontal planes : en ru
  • CA409066A - Road curb : en fr
  • PL31103B1 - Method for the production of orthoxyase dyes : en pl
  • US2303777A - Reinforcing strip : en
  • US2303832A - Axial blower : en
  • PL31143B1 - A method of improving the strength properties of magnesium alloys containing beryllium : en pl
  • SU62483A1 - The method of preparation of the detergent : en ru
  • US2303983A - Heat treating apparatus : en
  • DE728638C - Process for the extraction of fatty acids and glycerine : de en
  • GB549621A - An improved closure for drums or containers : en
  • SU62322A1 - Direction finder : en ru
  • GB549615A - Improvements in and relating to the manufacture of impregnated materials : en
  • GB549682A - Improvements in the production of water-soluble polymeric materials : en
  • PL31033B1 - : en pl
  • AU116185B2 - Improvements in and relating tothe preparation of chlorine dioxide and nitrogen oxides : en
  • CA409041A - Vitamin containing material refining process : en fr
  • CA409049A - Steering gear for vehicles : en fr
  • GB549721A - Improvements in methods of tuning electric circuits adapted to operate at high frequencies : en
  • DE728918C - Trash rack cleaning machine for floodable weir power stations with a dam or the like : de en
  • DE728629C - Process for the production of high-quality phenol mixtures from phenol-containing distillation products : de en
  • FR877379A - Zipper or slider : en fr
  • US2303797A - Air-cooled aircraft engine : en
  • US2303364A - Process and product for making textile and other material water repellent : en
  • CA409009A - Paper finishing apparatus : en fr
  • CA409058A - Slide fastener top stop : en fr
  • PL31099B1 - Friemann & Wolf G. m. B. H., Zwickau, Sachsen Electrical safety beacon for mains connection : en pl
  • FR877183A - Machine for the automatic production of glass containers : en fr
  • CH224416A - Device for dropping and releasing the belt from BEZW. on the flywheel of sewing machines equipped with belt catchers. : de en
  • DE728816C - Tanning process : de en
  • SU62295A1 - Device for high frequency transmission line protection : en ru
  • PL31032B1 - : en pl
  • SU62638A1 - The mechanism for driving the scissors of the circular bowl machine : en ru
  • US2303622A - Storage battery : en
  • CA409062A - Hydrocarbon oil dewaxing method : en fr
  • PL31010B1 - Patent-Treuhand-Gesellschaft fur elektrische Gliihlampen m. B- H., System for ignition and alternating current supply of discharge lamps : en pl
  • US2303524A - Circuit interrupter : en
  • US2303774A - Method of making a stratified electrode system : en
  • SU62354A1 - Device for converting the angular velocity of low-power sensors to a proportional current or voltage : en ru
  • CA409064A - Oil well treating method : en fr
  • FR877215A - Automatic lighting device with dynamo and accumulator battery : en fr
  • SU62223A1 - Photorelay : en ru
  • SU62600A1 - Device to protect the rotor winding of a synchronous generator from ground fault : en ru
  • SU62724A1 - Electronic relay : en ru
  • SU62802A1 - Galvanic cell : en ru
  • US2303328A - Display mount : en
  • FR877331A - Stilbenic dyes and their manufacturing process : en fr
  • DE728789C - Self-supporting car body, especially for motor vehicles : de en
  • FR877328A - establishment of pupinized cables : en fr
  • FR877372A - Process for mass production of sound recording tapes bearing a mechanically readable sound inscription : en fr
  • FR877369A - Pre-ignition chamber diesel engine : en fr
  • DE728631C - Railway pressure device : de en
  • DK60376C - Electric Light Bulb for Christmas Tree Lighting. : da en
  • SU62438A1 - The method of obtaining blue pigments : en ru
  • FR877382A - Improvements to tedders or similar agricultural machines : en fr
  • FR877197A - Improvements to coal gasifiers for motor vehicles : en fr
  • FR877268A - Stepless adjustment for propeller controls, in particular for airplane propeller controls : en fr
  • US2303935A - Ice shaper : en
  • US2303682A - Divided adjustable calked-plate attachment for shoe soles : en
  • US2303685A - Hydraulic transmission : en
  • SU62312A1 - Method of forming propellers : en ru
  • US2303339A - Manufacture of artificial materials : en
  • US2304024A - Adjustable trip for scales : en
  • US2303945A - Track laying apparatus : en
  • AU116175B2 - Improvements relating to stoves and ranges : en
  • CH224387A - Solid fuel indoor stove. : de en
  • US2303889A - Apparatus for manufacturing pottery ware : en
  • CA408941A - Aeroplane safety device : en fr
  • US2303522A - Method of manufacturing blockinglayer electrode systems : en
  • FR877169A - Process and apparatus for chrome plating : en fr
  • SU62664A1 - The method of manufacture of reinforcement : en ru
  • FR877373A - Armature manufacturing process particularly for small magneto-electric machines : en fr
  • FR877267A - Device for the acclimatization of aircraft cabins : en fr
  • GB549746A - Improvements in and relating to electric meters : en
  • US2303721A - Art of dewaxing oils : en
  • US2303772A - Combination cooking and heating : en
  • US2303613A - Heat transfer apparatus : en
  • US2303759A - Eraser : en
  • SU62488A1 - Pipe cleaning device : en ru
  • US2303996A - Paper box : en
  • CH224519A - Directional antenna arrangement for ultra-short wave operation within a wide frequency band. : de en
  • AU365741A - Improvements in or connected with scrubbers or filters for producer gas apparatus : en
  • US2303323A - Valve : en
  • US2303514A - Vapor electric device : en
  • US2303898A - Television transmitter : en
  • CH224537A - Freewheel hub with three-speed gear. : de en
  • CH224552A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • PL31111B1 - Schaffler & Co., Vienna ^ ° Xk V00 Electric igniter min : en pl
  • SU62302A1 - Safety ball valve for vacuum installations, for example, vacuum sewage tanks : en ru
  • SU62781A1 - The method of producing glue : en ru
  • PL31058B1 - : en pl
  • SU62512A1 - A device for determining the overloads of aircraft speed : en ru
  • US2303340A - Production of artificial materials : en
  • US2303354A - Method and apparatus for winding rayon : en
  • PL31064B1 - The method of obtaining preparations containing vitamin E. : en pl
  • US2304037A - Propellent explosive charge : en
  • PL31080B1 - Hazeltine Corporation, Jersey City, New Jersey. Bandpass filter system for coupling a receiving antenna : en pl
  • SU62475A1 - Unloading device for thermoanthracite furnaces : en ru
  • SU62717A1 - The method of manufacture of mortars and concretes : en ru
  • CA408970A - Dynamo-electric machine : en fr
  • CH224490A - Step switch for transformers. : de en
  • CA408922A - Ram pump unloading valve : en fr
  • SU62238A1 - Treacle dilution machine : en ru
  • US2303356A - Selecting system : en
  • CA409069A - Railway signalling system : en fr
  • PL31119B1 - Imbert - Generatoren G, m. B. H., Koln-Braunsfeld ^ lDj J Round and swinging grate horizontally and vertically for gas generators : en pl
  • US2303454A - Hydraulic system for damping or retarding moving bodies : en
  • US2303841A - Cooking utensil : en
  • US2304009A - Cigarette : en
  • US2303338A - Preparation of artificial filaments or threads : en
  • US2303938A - Sharp freezing container : en
  • SU62407A1 - A device for continuously recording the derivative of a function defined graphically : en ru
  • SU62696A1 - Transverse flushing gallery for water intakes and other hydraulic structures : en ru
  • SU62338A1 - Method for marking hot ingots and rolled products : en ru
  • US2303459A - Surface grinding fixture : en
  • SU62730A1 - Telemetry device : en ru
  • US2303997A - Feeding bottle : en
  • CA408937A - Fire box door : en fr
  • US2303787A - Speed changing mechanism : en
  • GB549691A - Improvements in or relating to vacuum operated servo motor devices : en
  • GB549723A - Improvements in paving, flooring and like tread surfaces : en
  • FR877335A - Heating for electric light : en fr
  • CH224419A - Method for washing and subsequent spinning of a commodity, in particular laundry. : en fr
  • SU62356A1 - Hydraulic monitor for unloading lump or bulk materials from cars, etc. : en ru
  • US2303812A - Heater for road finishing machines : en
  • DE728891C - Template nozzle for coke stoves : de en
  • GB549676A - Improvements in or relating to electric oscillation generators and amplifiers : en
  • USD134478S - Combination envelope opener and paper cutter : en
  • SU62314A1 - Cutter Cutting Device : en ru
  • CA408976A - Hydrocarbon conversion : en fr
  • CH224466A - Waterproof watch box. : en fr
  • FR877212A - Device allowing the use of alcohol-based fuel for internal combustion engines : en fr
  • PL31096B1 - Bayerische Flugzeugwerke Regensburg G. m.b. H., Regensburg / fTfao A riveter in which the rivets are automatically fed from the tank to the place : en pl
  • DK60373C - Process for the Preparation of 2-Methyl-4-ethoxymethyl-6-oxypyridine derivatives. : da en
  • GB549763A - Improvements in or relating to fluid-blast electric circuit interrupters : en
  • FR877173A - Improvements to electric ignition devices for internal combustion or internal combustion engines : en fr
  • DE715570C - Process for soaking combustible materials, such as wood, with aqueous solutions of fire protection salts : de en
  • GB549640A - New anthraquinone vat dyes : en
  • SU62739A1 - The method of conducting hydrogeological studies : en ru
  • AU384441A - Bag lifter : en
  • CH224478A - Process for the production of a hardening coating on the inside of a body having edges. : de en
  • DE728504C - Bullet catch for shooting ranges : de en
  • SU62309A1 - Testing device for glow plugs of internal combustion engines : en ru
  • CA409048A - Steering gear for vehicles : en fr
  • US2303666A - Pneumatic percussive tool : en
  • US2303687A - Thermoelectric safety control and switch : en
  • DE728866C - Headlights : de en
  • SU62288A1 - Stone stone : en ru
  • PL31055B1 - : en pl
  • FR877322A - Rotary pump with automatic suction : en fr
  • FR877301A - Adjustment of gas turbine installations : en fr
  • CA409053A - Ammunition : en fr
  • CA409057A - Dress shield : en fr
  • FR877345A - Calibrator device for force limit wrenches for transmitting determined torsional forces : en fr
  • AT160883B - Magnesium alloy : de en
  • CH224521A - Device for electrical remote setting of a small radio device, in particular an on-board radio device. : de en
  • FR877190A - Improvements to sounding devices : en fr
  • FR877224A - Device for reducing the adjustment margin of the grids of the rectifiers in the individual supply of the motors of a continuous rolling train : en fr
  • GB549751A - Improvements in fixing brackets for curtain rods or rails : en
  • PL31014B3 - : en pl
  • SU62399A1 - Method of drying peat hydromass : en ru
  • SU62774A1 - Concrete processing method : en ru
  • SU62255A1 - Time-delayed two-stage electromagnetic relay : en ru
  • SU62566A1 - Automatic rotary feeder : en ru
  • SU62668A1 - A device for detecting leaks in water pipes : en ru
  • US2304021A - Welding current control apparatus : en
  • FR877247A - Multi-point gear transmission mechanism : en fr
  • US2303556A - Liner hanger : en
  • US2303558A - Premium cup grease of improved heat and texture stability : en
  • SU62750A1 - The method of hardening the product : en ru
  • FR877200A - Primer for all kinds of fabrics making them practically imperfect : en fr
  • GB549642A - Improvements in the manufacture and production of artificial threads, filaments and the like : en
  • GB549756A - Improvements relating to gas-blast circuit breakers combined with isolating switches : en
  • BE447606A - Spark plug : en fr
  • CH224454A - Registration device on a weighing machine. : de en
  • DE728830C - Circuit arrangement for frequency stabilization of tube transmitters : de en
  • US2304005A - Fluting machine : en
  • SU62286A1 - Device for automatic adjustment of receiver tuning : en ru
  • DE728845C - Mill firing : de en
  • SU62262A1 - The way to search for oil : en ru
  • SU62239A1 - Track for tracked propulsion : en ru
  • DE728661C - Laminated magnetic yoke for high frequency circuits : de en
  • FR877387A - Electric current converter tube : en fr
  • GB549758A - Improvements in and relating to the production of electrodes for clamping quartz crystals or the like : en
  • SU62504A1 - Serial Transformer for Longitudinal Compensation Device in High Voltage Lines : en ru
  • SU62619A1 - Air distributor for shaking molding machine : en ru
  • PL31139B1 - A method of producing profiled objects from fusible synthetic materials and a device for carrying out this method : en pl
  • DE728456C - Electric signal system for calling people : de en
  • US2303542A - Receiving system : en
  • DE728792C - Stop light switch for bicycles : de en
  • US2303909A - Transmission of electrical signals : en
  • PL31071B1 - A method of transmitting signals by means of telecommunication devices, adapted to carry out an alternation of telephone and telegraphic connections, according to which the transmission of telegraph signs and connection criteria is performed by sending audio signal currents within a frequency band and a device for transmitting signals by this method : en pl
  • FR877285A - Pumping installation, particularly usable with centrifugal pumps to suck liquids : en fr
  • SU62640A1 - Device for transporting liner paper in liner apparatus of liner and cigarette machines : en ru
  • US2303423A - Signal device for elevators : en
  • CH224400A - Multi-part folding sliding window. : de en
  • CH224456A - Electric calculating machine. : en fr
  • US2303348A - Method for modifying organic bodies to raise the transition temperature therein from nonfluid to fluid phase and the composition : en
  • CH224402A - Gas generator. : de en
  • CH224538A - Gear change hub for pedal vehicles. : en fr
  • SU62437A1 - The method of obtaining anhydrous magnesium chloride from sulphate : en ru
  • AU116093B2 - Improvements in or relating to engine connecting rods : en
  • USD134479S - Design for a settee : en
  • SU62420A1 - The method of obtaining protective coatings on products made of aluminum and its alloys : en ru
  • US2303362A - Process for the production of isobutylene and its dimer : en
  • FR877338A - Method for voltage regulation in high frequency furnaces : en fr
  • SU62544A1 - Airplane wing with flap : en ru
  • SU62486A1 - A device for the busbars of cathode rods of an electrolytic bath for the production of aluminum : en ru
  • DE728578C - Process and system for generating energy when releasing pressurized fluids, which release gases or vapors when releasing : de en
  • IE16366L - Seed sowing machine : en
  • US2303406A - Combustion apparatus : en
  • US2303783A - Manufacture of metal fluorides : en
  • DE728753C - Schuetzenschlagvorrichtung for underlay looms : de en
  • SU62257A1 - Device for overcurrent protection of generator voltage tires : en ru
  • SU62477A1 - Adaptation to the camera for macro and microphotometry : en ru
  • USRE22230E - Bored-in lock : en
  • USD134452S - Design fok an automobile bumper : en
  • US2303744A - Footgear : en
  • SU62292A1 - Cable coupling : en ru
  • SU62540A1 - Claws for grabbing loads, such as hay, etc. : en ru
  • SU62215A1 - Electric furnace for carborundum, etc. : en ru
  • US2303788A - Vehicle body : en
  • US2303848A - Shoe sole laying machine : en
  • US2303947A - Soldering iron : en
  • SU62775A1 - Apparatus for extracting gases from cans and the like cans : en ru
  • FR877187A - Roaster dryer for the treatment of wood intended for gasifier supply : en fr
  • GB549646A - Filtration of air and other gases : en
  • US2303577A - Portable refrigerating apparatus : en
  • GB549753A - Improvements in electromagnetic horn radiators : en
  • US2304001A - Composition of matter useful in making print rolls and the like : en
  • SU62792A1 - Device for electrical protection of a high pressure preheater to a steam turbine : en ru
  • DE1525928U - : de en
  • USD134475S - Design foe a practice typewriter : en
  • SU62569A1 - The way to protect the working parts of flotation machines from rapid wear : en ru
  • GB549705A - Improvement in resinous condensation products : en
  • DE728704C - Arrangement for the automatic shut-off and release of the addition of measured amounts of liquids or gases by means of an artificially generated pressure difference in the conveying line for the liquid to be treated : de en
  • SU62232A1 - Seal for rotating shaft : en ru
  • US2303332A - Air conditioning device : en
  • US2303392A - Shear-relief valve : en
  • US2303796A - Carton : en
  • SU62227A1 - Arc suppressor : en ru
  • GB549706A - Improvements in or relating to crimping, indenting and like machines, particularly applicable to the production of artillery ammunition : en
  • GB549748A - Improvements in burners of petrol and like stoves : en
  • US2303557A - Rail flash welder : en
  • US2303660A - General utility brush : en
  • US2303972A - Sulphanilyl guanylureas and process for making them : en
  • SU62643A1 - Safety device for cutter knives, etc. cars : en ru
  • US2303418A - Weather strip : en
  • DE728696C - Monitoring frame arrangement, especially for vehicles : de en
  • CH224395A - Actuating device for drain valves, in particular for toilet, bidet and bath drains. : de en
  • DE728652C - Securing for clamping spindles of screw clamps : de en
  • PL31107B1 - A method of testing workpieces and semi-finished products for material shortages, consisting in breaking the cohesion : en pl
  • US2303414A - Process and reagent for resolving emulsions : en
  • SU62613A1 - The method of modification of cellulose derivatives : en ru
  • SU62526A1 - Terminal switch : en ru
  • SU62738A1 - Plow : en ru
  • US2303941A - Hinge : en
  • DE728603C - Storage box for breathing hoses, especially oxygen breathing devices : de en
  • CH224510A - Gel dry cleaning agent and process for its manufacture. : de en
  • USRE22226E - Pressure : en
  • CA409073A - Storage battery : en fr
  • US2303681A - Sheet gauging and sorting mechanism : en
  • CA409027A - Beef chilling method : en fr
  • BE447522A - : en fr
  • GB549766A - Improvements in unit air heaters : en
  • DE728801C - Process for converting sulphite pitch or black liquor pitch into heating, propellant or lubricating oils : de en
  • FR877307A - Non-flammable, rot-proof, water-repellent and indelible coloring material : en fr
  • CA409004A - Aliphatic secondary amine production : en fr
  • CH224488A - Method and device for applying sleeve-shaped parts, such as grommets made of thermoplastics, in particular polyvinyl chloride, to a carrier. : de en
  • SU62453A1 - Device to protect mercury rectifiers from reverse ignitions : en ru
  • PL31105B1 - : en pl
  • SU62260A1 - Threading device : en ru
  • SU62672A1 - Device for maintaining a constant flow rate of liquid to automatic scales : en ru
  • SU62804A1 - Method for electrochemical painting of metals : en ru
  • CA408947A - Hasp : en fr
  • CA409024A - Electric megaphone : en fr
  • SU62375A1 - Device for controlling the thickness of non-magnetic coatings on the valves of aircraft engines, etc. parts of magnetic material : en ru
  • US2303852A - Extensible pitch control link for mechanical shovels : en
  • US2303831A - Escape bell for submarines : en
  • US2303467A - Heat treatment of metal articles having holes therein : en
  • DE728707C - Process for the production of welded bar chain links in which the bar is firmly connected to the link : de en
  • CA408957A - Plant response composition : en fr
  • US2303471A - Electrical connector : en
  • CH224503A - Headlights with detachable cover ring, especially for vehicles. : de en
  • US2303885A - Process of preparing cellular materials : en
  • USD134498S - Design fob a dress : en
  • US2304003A - Broom : en
  • DE728691C - Mine support : de en
  • DE728510C - Binder for foundry molds and cores : de en
  • DK60372C - Procedure and Machine for Manufacturing Barbed Wire. : da en
  • US2303723A - Time relay system : en
  • US2304012A - Parking meter : en
  • US2303547A - Method of refining hydrocarbons by cracking and catalysis : en
  • CH224404A - Wet filters for gases, in particular smoke gases. : de en
  • DE728507C - Process for the production of dicarboxylic acids : de en
  • DE728659C - Device for stable regulation of the voltage of a capacitor-excited asynchronous generator : de en
  • US2303470A - Brush : en
  • US2303606A - Cream of tartar production from acid extract of tartarous material : en
  • CA408958A - Fishing rod handle : en fr
  • FR877397A - Process for the manufacture of writing and drawing leads, resistant to humidity, in coloring matters, fillers and binders : en fr
  • GB549671A - Improvements relating to electric switching mechanism for multiple way adapters : en
  • DE728851C - Propeller actuation gear : de en
  • PL31100B1 - The method of obtaining fibrous material from animal skin : en pl
  • SU62611A1 - The method of obtaining vinyl-carbinol : en ru
  • DE728772C - Measurement generator : de en
  • GB549672A - Process for the manufacture of derivatives of ª‡-cyano-ª†-acetyl-glutaric acid : en
  • SU62343A1 - Electrolytic Tin Refining Method : en ru
  • US2303850A - Cap : en
  • US2304011A - Method and means for making neckties : en
  • FR877177A - Acetylene generator : en fr
  • SU62500A1 - Method for separating germanium from germanium-containing solutions : en ru
  • US2303561A - Toaster and control therefor : en
  • US2303679A - Method and apparatus for casting : en
  • US2303942A - Photographic process : en
  • CA408981A - Chemical process : en fr
  • AU116178B2 - Improvements relating to electric current measurement in rectifier systems comprising a floating storage battery : en
  • US2304002A - Thermostatic control for stove and range oil burners : en
  • DE728641C - Improving the processability of synthetic rubber : de en
  • PL31061B1 - Bates International Bag Company, New York, N. Y. B & 5/0 y1 $ Bag filling machine : en pl
  • SU62790A1 - Automatic water meter : en ru
  • FR877195A - Winch : en fr
  • FR877198A - Rain protection device for cycles and the like : en fr
  • US2303346A - Method of making labels : en
  • US2303990A - Tack changing indicator for sailboats : en
  • US2303516A - Circuit interrupter : en
  • SU62558A1 - Room double Russian stove : en ru
  • US2303899A - Strap connector : en
  • PL31074B1 - A method of producing synchronization pulses in television devices : en pl
  • SU62431A1 - Micrometer debugging machine : en ru
  • US2303505A - Electric discharge apparatus : en
  • US2303667A - Toothbrush : en
  • CH224443A - Wind chest for organs and organ-like instruments. : de en
  • DE728544C - Process for the production of nitrogen-containing condensation products : de en
  • DE728852C - Obstacle deflector with streamlined cross-section for aircraft : de en
  • FR877317A - Steam power plant for ship control : en fr
  • FR877324A - Spindle for spinning and twisting machines : en fr
  • FR877356A - Device usable on board airplanes for heating, flame attenuation and use of reaction : en fr
  • US2303809A - Device for moistening paper, fabrics, and like weblike material : en
  • US2303877A - Typewriting machine : en
  • US2304047A - Yoke press : en
  • SU62589A1 - Device for continuous sequential pumping of various petroleum products through one pipeline : en ru
  • US2303615A - Poultry battery : en
  • CA408993A - Sulphamic acid manufacture : en fr
  • US2303903A - Knitting machine : en
  • CH224424A - Process for opening up dried peas. : de en
  • SU62532A1 - Method of dehydrating sodium sulfate : en ru
  • DE728698C - Electrode arrangement for a discharge tube : de en
  • US2303771A - Breaker point assembly : en
  • CH224425A - Device for dewatering mass suspensions, especially fibrous materials. : de en
  • SU62471A1 - Device for dynamic testing of materials : en ru
  • GB549604A - Improvements relating to lens grinding or polishing machines : en
  • FR877326A - Pick-up or diaphragm : en fr
  • FR877309A - Improvements to cathode ray tubes : en fr
  • CA409018A - Ore roasting process : en fr
  • DK60383C - Device by Ashtray drawers. : da en
  • FR877400A - Dyes of the 2-naphthalene-2-thionaphthene-indigoid series and method of manufacture : en fr
  • DE728574C - Suction head for suction excavators : de en
  • FR877295A - Shoe assembly machine : en fr
  • US2303752A - Servo-control apparatus : en
  • CH224386A - Wood stove. : en fr
  • GB549614A - Means for converting a direct voltage into a frequency proportional thereto : en
  • SU62434A1 - Method of attaching rubber from chloroprene rubber to metals, glass and wood : en ru
  • PL31040B1 - : en pl
  • DE728694C - Evaporator for refrigeration machines : de en
  • DE728734C - Rotary socket switch for switching on and off a main and auxiliary circuit for motors with lower power and for similar purposes : de en
  • DE728849C - Reversing device for liquids or gases : de en
  • SU62782A1 - The method of obtaining thermosetting artificial resin : en ru
  • US2303824A - Hose resizing tool : en
  • GB549678A - Improvements in the treatment of materials consisting of or containing wool or other animal fibres to reduce their tendency to felt : en
  • CA409030A - Compressor engine speed controlling device : en fr
  • USD134495S - Design for a jacket : en
  • DE728674C - Process for the production of low-boiling motor fuels : de en
  • BE447410A - : en
  • FR877279A - Adjustment system with reduction gear : en fr
  • US2303658A - Method of coating phenol reactors and the like : en
  • DE728742C - Hall door composed of individual panels : de en
  • DE728898C - Heating system : de en
  • SU62651A1 - Centrifugal Fluid Regulator : en ru
  • DE728915C - Sound transmitter, especially for acoustic echo sounders : de en
  • DE728794C - Rubbish bin : de en
  • US2303399A - Alkaline detergent : en
  • US2303746A - Welding rod : en
  • US2303933A - Method of welding : en
  • DE728802C - Process for the production of solid lactic acid preparations : de en
  • FR877298A - Single-wheel system with balanced engine : en fr
  • DE728591C - Process for the preparation of monoazo dyes : de en
  • AU386641A - Improvements in or relating to detachable conduit couplings : en
  • BE468851A - : en fr
  • CH224529A - Process for the efficient transport of raw material waste. : de en
  • FR877188A - Agglomerated raw peat fuel for gasifiers, producing gas of improved quality and method of manufacturing this agglomerate : en fr
  • PL31135B1 - Device for connecting two cable wires by means of a coupling with slip rings : en pl
  • PL31102B1 - : en pl
  • US2303532A - Flow testing device : en
  • FR877344A - Process for manufacturing flat products from superpolyamides : en fr
  • CH224422A - Device for connecting trousers and shirt blouse. : de en
  • BE447562A - : en fr
  • DE728831C - Switching cell for high voltage purposes : de en
  • US2304015A - Radio frequency transmission line : en
  • US2303628A - Hydraulic press with low pressure and high pressure pump : en
  • US2303862A - Oscillation generator and amplifier : en
  • GB549734A - Asbestos-cement and other felted fibrous sheet material : en
  • FR877333A - heat exchangers such as recuperators and air heaters : en fr
  • SU62677A1 - Releasing adapter : en ru
  • US2303518A - Reflecting enlarger and viewer : en
  • US2304000A - Potato cutting table and treater : en
  • USD134481S - Design fob an electric lighting fixture : en
  • AU116174B2 - Improvements in or relating to the closures or seals of tubes or other containers for pastes, cream, jellies or the like : en
  • BE447572A - Process for the oxidation of ammonia by means of metal oxides activated with bismuth oxide, and apparatus relating thereto : en fr
  • DE728724C - Device on gas-tight speech pipes, in which a mechanical signaling device is attached to the speech pipe to call the other station : de en
  • DE728733C - Thickening of the electrolyte in dry electrical elements : de en
  • DE728828C - Switch for television receivers : de en
  • CA408967A - Current transformer : en fr
  • AU382841A - A method of washing anodes : en
  • CA408925A - Filament production : en fr
  • SU62278A1 - Boat for drawing glass in the form of a tape : en ru
  • US2303768A - Apparatus for extracting fruit juices : en
  • SU62394A1 - Tunnel dryer : en ru
  • US2303456A - Method of mixing sound records : en
  • US2303533A - Strip feeding apparatus : en
  • PL31088B1 - Method of separating mixtures of vapors and gases : en pl
  • PL31110B1 - Friedrich Deckel Prazisions-Mechanik und Maschinenbau, Munich Copy milling machine : en pl
  • FR877236A - Household refrigerator : en fr
  • US2303849A - Heat treating furnace and the like : en
  • CA408940A - Flax pulling machine : en fr
  • US2303665A - Packing ring : en
  • CH224448A - Projectile rocket. : en fr
  • CH224553A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • CA409070A - Hydrocarbon manufacture : en fr
  • SU62560A1 - Adjusting to the seed coulters to reduce seed embedment depth : en ru
  • SU62342A1 - Induction heating method of tempered steel for tempering : en ru
  • SU62702A1 - Hydraulic Press : en ru
  • US2303539A - Machine for manufacturing closure caps : en
  • SU62406A1 - Method of impact rotational drilling : en ru
  • US2303549A - Method for making bromo-chloralkanes : en
  • US2303425A - Disconnecting contact : en
  • US2303815A - Furnace arch nose construction : en
  • US2304054A - Internal combustion engine : en
  • DE728808C - Telephone holder : de en
  • DE728787C - Method and device for the transmission of a light line for sound film purposes : de en
  • FR877248A - High voltage electric cable with metal radiation shielding and insulation strips : en fr
  • USRE22229E - Coin selector and slug rejecter : en
  • PL31155B1 - The method of making textiles resistant to the action of water and the method of producing articles used for this purpose : en pl
  • SU62222A1 - Transformer : en ru
  • SU62426A1 - Balancing method of 40-cylinder two-stroke internal combustion engines with X-shaped or fan arrangement of cylinders : en ru
  • SU62637A1 - Header for cleaning machines : en ru
  • USD134453S - Design for an automobile bumper : en
  • AT160888B - Central heating boiler for log fires : de en
  • CA408935A - Liquor cabinet : en fr
  • FR877329A - Safety-locking quick-assembly device for sounding tubes : en fr
  • US2303648A - Burner : en
  • US2303743A - Pipe joint fastener : en
  • AU294841A - Improved nozzle for bunsen type gas burners : en
  • GB549752A - Improvements in fixing brackets for curtain rods or rails : en
  • SU62208A1 - Instrument for measuring borehole curvature : en ru
  • FR877213A - Improved method of supplying heat engines with acetylene gas and equipment for its implementation : en fr
  • FR877204A - Monobloc mill-sieving unit : en fr
  • FR877271A - Mechanical operating device for speed selector mechanism (preselector mechanism) or other analogues : en fr
  • US2303552A - Drilling of wells and drilling mud therefor : en
  • US2303487A - Reamer : en
  • US2303955A - Power transmission : en
  • US2303355A - Method of inking : en
  • US2303711A - Accumulator control valve : en
  • US2303553A - Fan support : en
  • US2303599A - Dual wheel brake : en
  • FR877249A - Improvements to vibrated concrete frames : en fr
  • US2303413A - Seismometer : en
  • SU62721A1 - Reaper : en ru
  • CH224533A - Air pump. : de en
  • SU62720A1 - Dynamometer for measuring power : en ru
  • SU62743A1 - Method for quantitative separation and colorimetric determination of phosphoric anions, mouse acids and silicic acids : en ru
  • DE728743C - Liquid level indicator : de en
  • PL31012B1 - Roller bearing : en pl
  • SU62582A1 - Machine for planting beet roots, etc. : en ru
  • SU62490A1 - Distributing device, for example, to hydraulic presses for feeding several piston systems with a liquid medium : en ru
  • US2303991A - Production of stainless steel : en
  • USD134496S - Design fob a jacket : en
  • CH224557A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • FR877193A - Method and device for separating solid substances from their suspensions : en fr
  • GB549726A - Improvements in apparatus for drying grain : en
  • FR877357A - Method of rolling sections in single form or the like, formed of a wing and a core of great height and small thickness : en fr
  • DE728609C - Process for the production of vessels and lids or the like from a preferably ceramic base body and a one-part or multi-part outer cover part made of marble or other types of stone that is attached to it : de en
  • DE728766C - Process for the commissioning of fresh or regenerated catalysts for hydrocarbon synthesis : de en
  • DE728782C - Process for the production of socks and stocking produced by the process : de en
  • FR877302A - Wavelength switch for radio receiving devices : en fr
  • FR877388A - Device intended to produce electrical oscillations the frequency of which is modulated in proportion to the amplitude of a modulating oscillation : en fr
  • SU62321A1 - Device for registration of measured values : en ru
  • US2303347A - Pressing machine : en
  • US2303402A - Alloy : en
  • US2303719A - Method of making washing machine agitators : en
  • US2303576A - Luminescent material for electric discharge devices : en
  • US2303693A - Switch : en
  • US2303871A - Metal coated plastic material and method of producing the same : en
  • DK60381C - Heating furnace, in particular for heating glass sheets in connection with their curing. : da en
  • SU62369A1 - Cotton cleaner : en ru
  • FR877252A - Improvements to processes for vulcanizing rubber, balata, gutta-percha, synthetic rubber or similar substances, their mixtures and their latices : en fr
  • FR877182A - Process and device for molding agglomerates, in particular agglomerates with re-entrant bosses : en fr
  • GB549683A - Improvements in or relating to extraction apparatus : en
  • GB549717A - Improvements in regulating systems for and the stabilisation of synchronous dynamo-electric machines : en
  • GB549728A - Improvements in and relating to bases for electric lamps : en
  • SU62543A1 - Antifreeze lubricator for airplane skis : en ru
  • DE728786C - Plasticizer for polyvinyl chloride and its copolymers : de en
  • US2304006A - Metal window sash : en
  • US2304013A - Preservative composition : en
  • SU62813A1 - The method of flotation of ores : en ru
  • FR877239A - Furnace, especially for the distillation of asphalt rock and oil shale : en fr
  • US2303411A - Torque wrench : en
  • CH224451A - Stereophototheodolite. : de en
  • US2303694A - Windshield cleaner : en
  • FR877163A - Improvements to the control of cycle and motorcycle brakes : en fr
  • AT160889B - Device for the production of seamless, electrically conductive connections between two abutting parts : de en
  • US2303438A - Protective cover for machine-tool guides : en
  • US2303589A - Fluid pump : en
  • US2303741A - Checkerwork structure : en
  • US2303784A - Method of making steering knuckles : en
  • PL31108B1 - : en pl
  • CA408974A - Voltage regulator circuit : en fr
  • CH224433A - Method of preventing warping of pulp panels. : de en
  • CA409020A - Engine choke mechanism : en fr
  • CH224511A - Apparatus for extracting fluid from the body or injecting fluid into the body. : en fr
  • US2303700A - Thermostatic control device : en
  • US2303662A - Method and apparatus for producing rivets : en
  • SU62542A1 - Pile driver : en ru
  • US2303931A - Process for concentrating phosphate ores : en
  • GB549695A - An improved vacuum contact photographic printing and reflex copying apparatus : en
  • GB549730A - Control mechanism for absorption refrigerating apparatus : en
  • FR877383A - Process for manufacturing pressure-resistant tins and cans obtained by this process : en fr
  • DE728843C - Device for generating weak treatment currents with variable direct and alternating current components : de en
  • DE728775C - Amplifier tubes for ultrashort waves : de en
  • US2303884A - Machine for making units of plastic material : en
  • DE728814C - Method for measuring the phase shift of high frequencies that can be changed in frequency : de en
  • CH224525A - Market stall. : de en
  • SU62233A1 - Silumin Modifying Device : en ru
  • SU62419A1 - Seal the joint between the cover and the cylinder end of the internal combustion engine : en ru
  • SU62578A1 - Device for automatic pulling of square bar into the hole : en ru
  • PL31078B1 - Device for processing the light image into an electronic image : en pl
  • SU62493A1 - The method of obtaining colored glass : en ru
  • US2303434A - Electrical switch : en
  • US2303969A - Pump : en
  • USD134468S - Design for a pin or the like : en
  • GB549708A - Improvements in or relating to the automatic control of d.c. electric circuits for the charging of storage batteries or for other purposes : en
  • SU62646A1 - The method of producing propyl nitrite : en ru
  • SU62362A1 - Method of centrifugal casting molds : en ru
  • SU62521A1 - The method of welding pipe with plate : en ru
  • DE728673C - Process for reducing the felting and shrinking capacity of woolen goods : de en
  • DE728650C - Pneumatic tire puller : de en
  • PL31049B1 - A device for measuring the flight time of a projectile : en pl
  • SU62410A1 - Method for carbonization of aluminate solutions : en ru
  • SU62205A1 - Shutter for hydraulic structures : en ru
  • SU62553A1 - Self-dumping platform for unloading carts with bulk cargo : en ru
  • SU62679A1 - A device for dressing grinding wheels forcibly rotated with an abrasive pencil : en ru
  • US2303578A - Cleaning machine : en
  • US2303653A - Spring suspension for wheeled vehicles : en
  • DE728848C - Ball joint connection for pipelines : de en
  • DE728668C - Automatic grain sampler : de en
  • FR877395A - Further training in industrial cookers and fireplaces : en fr
  • SU62423A1 - Thermostatic method : en ru
  • SU62454A1 - Method for passivating ferromanganese powder : en ru
  • SU62703A1 - Method of making polished circles for shaped parts from paper tape : en ru
  • US2303604A - Treatment of tartarous liquors : en
  • US2303716A - Carbonator : en
  • US2303794A - Hot and compressed gas autogenerator : en
  • US2303882A - Tray for heat treating furnaces and the like : en
  • US2303924A - Television transmitting or receiving system : en
  • US2303959A - Circuit breaker : en
  • USD134461S - Design for a, tractor tire : en
  • FR877354A - Viscose for spinning, in particular fine and / or hollow yarns : en fr
  • GB549622A - Improvements in or relating to apparatus for conveying material to or from a device : en
  • SU62656A1 - Ironing press : en ru
  • SU62791A1 - Zinc distillate oven : en ru
  • SU62662A1 - The method of making brilliant colored plaster : en ru
  • SU62785A1 - The method of obtaining products from gypsum : en ru
  • GB549743A - Improvements in electric lighting fittings : en
  • US2303403A - Resistance or fuse wire : en
  • US2303421A - Apparatus for packaging articles : en
  • CA408921A - Means for imparting buoyancy to vehicles : en fr
  • CA408946A - Thermostatic engine air regulator : en fr
  • CH224502A - Additional headlights for broad beam and camouflage light for vehicles. : de en
  • US2304040A - Power unit mounting for industrial trucks : en
  • SU62299A1 - A device for building perspective images : en ru
  • SU62576A1 - Graphitist steel : en ru
  • CA409008A - Tire valve stem : en fr
  • SU62287A1 - Method of lining of oil storages and other non-metallic tanks : en ru
  • BE447460A - : en fr
  • CH224464A - Roskopf watch movement with central seconds. : en fr
  • US2303825A - Electric circuit breaker : en
  • US2303957A - Powder conveyer : en
  • US2303793A - Parcel postage calculating : en
  • US2304050A - Container cleaning apparatus : en
  • PL31036B1 - Attaching the air-cooled cylinders to the crankcase : en pl
  • SU62784A1 - Device for fitting new surfaces of water rings : en ru
  • US2303844A - Mullion construction : en
  • AU397141A - An improved safety shearing flexible coupling : en
  • CA408991A - Explosive cartridge end closure : en fr
  • CH224483A - Centrifugal adjuster for adjusting the start of ignition or the start of injection in internal combustion engines. : de en
  • DE728654C - Triggering device for hiking pillar : de en
  • CA408928A - Press : en fr
  • DE728667C - Arrangement for electrical measurement of the lubricant value of lubricants : de en
  • SU62374A1 - Vibration Testing Machine : en ru
  • US2303729A - Boat propelling means : en
  • US2303940A - Fluid treating apparatus : en
  • SU62594A1 - Deviation playground : en ru
  • US2303912A - Twister spindle : en
  • US2303617A - Ice tray : en
  • DE728649C - Valve for gas masks : de en
  • US2303923A - Crusher : en
  • CH224516A - Prepayment device. : en fr
  • AU341141A - Improvements in or relating to engine connecting rods : en
  • CA409001A - Tensiometer control system : en fr
  • CA408945A - Garment : en fr
  • SU62235A1 - Method for producing divinyl and mixtures of hydrogen and carbon monoxide : en ru
  • US2303652A - Toy : en
  • AU466942A - Improvements relating to stoves and ranges : en
  • FR877305A - Improvements to removable wooden barracks : en fr
  • PL31048B1 - : en pl
  • CH224445A - Grenade launcher. : de en
  • FR877250A - Stereophonic sound transmission device : en fr
  • SU62280A1 - Mechanical scraper : en ru
  • PL31132B1 - The method of making carbon contacts in metal frames : en pl
  • SU62276A1 - Electric motor for underwater operation : en ru
  • CH224388A - Heater. : de en
  • US2303566A - City-chicken machine : en
  • CH224487A - Device for winding, as well as for transporting and storing cables, hoses and the like. : de en
  • DE728754C - Holding device for the thread start of the replacement bobbins of a bobbin replacement device : de en
  • DE728862C - Ring rack dryer : de en
  • US2303782A - Reversible coat : en
  • US2303748A - Machine for making lock sliders for separable fasteners : en
  • USRE22228E - Ventilator attachment : en
  • CA409029A - Compressor engine speed controlling device : en fr
  • SU62707A1 - Hydraulic ram : en ru
  • SU62561A1 - Tool for coupling agricultural implements, for example, shok : en ru
  • CA409068A - Railway signalling apparatus : en fr
  • CH224562A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • CH224475A - Tenon polishing machine. : de en
  • DE728826C - Process for the degradation of cellulosic raw materials : de en
  • CH224505A - Dental product. : de en
  • US2303368A - Measuring tape : en
  • DE728699C - Device for cross-cutting glass tubes : de en
  • DE728796C - Process for the production of a starch product from potato starch : de en
  • US2303691A - Method of treating rubber : en
  • SU62654A1 - Photoelectric colorimeter : en ru
  • US2303582A - Treatment of organic sulphates : en
  • US2303690A - Dispensing device : en
  • DE728737C - Electrical resistance with an electrical conductor that can be used in solid and liquid state : de en
  • US2303574A - Ruler : en
  • US2303887A - Method and apparatus for the manufacture of pottery ware : en
  • US2303813A - Gear coupling : en
  • SU62332A1 - Injection valve for fuel pump for internal combustion engines : en ru
  • US2303829A - Transmission : en
  • US2303864A - Bathtub moisture seal : en
  • US2303894A - Control foe heating devices : en
  • US2303725A - Drape supporting device : en
  • SE106008C1 - : en
  • SU62273A1 - Self-excited lamp generator : en ru
  • SU62653A1 - Winding roller for measuring-rejection machines : en ru
  • AU116168B2 - Production of polymeric materials withan improved resistance to water : en
  • US2303583A - Spreader apparatus : en
  • SU62289A1 - The method of determining the quality of the oxide film : en ru
  • SU62315A1 - Control method of electromagnetic resonant relays : en ru
  • SU62368A1 - Cuvette for photovoltaic etc. colorimeters : en ru
  • SU62732A1 - Device for remotely turning on and off street loudspeakers : en ru
  • US2303474A - Electric switch : en
  • US2303758A - Electric lighting fixture : en
  • US2303870A - Slider controlled fastener : en
  • US2303916A - Process for producing compressed laminated wood : en
  • DK60386C - Lock to Sliding Doors. : da en
  • US2304046A - Cigar rolling mechanism : en
  • SU62680A1 - Stamp for forging bar rings : en ru
  • US2303564A - Alternating current generator : en
  • DE728713C - Process for the dentination of waste acids containing nitric acid, sulfuric acid and organic substances : de en
  • DE728878C - Evaporator, especially for refrigeration systems : de en
  • US2303659A - Bailer : en
  • US2304019A - Control apparatus : en
  • US2303632A - Miniature airplane : en
  • DE728821C - Grease gun : de en
  • FR877203A - Rail-road transport platform and special truck at this platform : en fr
  • GB549624A - Improvements in and relating to the repair or reconditioning of stockings or socks : en
  • SU62253A1 - Device for grounding high-voltage lines : en ru
  • SU62563A1 - Door lock : en ru
  • CH224480A - Process and device for the production of thermally stressed, out-of-round, slotted piston rings. : de en
  • DE728636C - Calibration device for the tuning scale of a tunable electrical oscillation circuit : de en
  • AU116160B2 - Improvements in or relating to vapourisers for suction gas apparatus using steam : en
  • CA409011A - Vibrator frequency changer : en fr
  • US2303379A - Bulldozer : en
  • US2303883A - Dynamoelectric machine : en
  • BE447717A - Blackout device for light projectors, in particular for hand lanterns. : en fr
  • CA408923A - Knitted garment : en fr
  • CH224495A - Capacitor. : de en
  • CH224515A - Breathing apparatus for animals, in particular for riding, draft and pack animals. : de en
  • DE728605C - Puller for longitudinally split rims : de en
  • DE728899C - Flagpole holder : de en
  • SU62301A1 - Metallization unit : en ru
  • CH224498A - Time switch for high-frequency hardening systems. : de en
  • CH224544A - Pants holder for cyclists and pedestrians. : de en
  • DE728690C - Gas supply system : de en
  • US2304008A - Combined recoil drive : en
  • CA409078A - Drum brake : en fr
  • SU62604A1 - The method of obtaining concentrates of vitamin C : en ru
  • US2303919A - Compensating brine system : en
  • SU62203A1 - Method for producing anthraquino-2-carboxylic acid : en ru
  • SU62615A1 - A device for turning off the lock stops when searching for "fold" on Gattersley looms : en ru
  • US2303749A - Process and apparatus for tempering glass sheets : en
  • AU116162B2 - Bag lifter : en
  • SU62811A1 - Injection molding machine : en ru
  • US2303623A - Low density heater : en
  • US2303946A - Power transmission : en
  • US2303856A - Material discharge device for airplanes : en
  • PL31030B1 - : en pl
  • SU62269A1 - Seed for initial removal of metal ingot from the mold : en ru
  • GB549694A - Improvements in pistons for vacuum or pressure operated servo devices : en
  • PL31104B1 - : en pl
  • PL31159B1 - C. Lorenz flktiengesellschaft, Berlin — Tempelhof Quartz holder, especially for biconvex quartz lenses : en pl
  • CA409037A - Car heater ventilator connection : en fr
  • US2303696A - Apparatus for manufacturing thread or the like : en
  • US2303439A - Machine for roughing shoe parts : en
  • US2303447A - Fan-type air heater : en
  • US2303325A - Harrow controlled by tractor power : en
  • US2303776A - Labeling mechanism : en
  • PL31079B1 - Ringhoffer-Tatra-Werke A. G., Prague A car with a rear engine : en pl
  • DE728868C - Flushing head for deep drilling rigs : de en
  • CH224532A - Friction double clutch. : de en
  • GB549627A - Vacuum cleaner : en
  • SU62597A1 - Planetary gears uncensible transmission : en ru
  • AU367241A - Improvements in and relating tothe preparation of chlorine dioxide and nitrogen oxides : en
  • PL31112B3 - : en pl
  • US2303853A - Cutting oil : en
  • SU62346A1 - Method of dewatering maltose syrups from millet waste : en ru
  • US2303814A - Crimping tool : en
  • US2303984A - Assorting belt : en
  • PL31015B1 - H \ A? Hkk ~? / GJ Automatic pressure switch : en pl
  • SU62225A1 - Self-interrupting continuous electrode : en ru
  • SU62442A1 - Device for cross cutting rubber bands : en ru
  • SU62450A1 - Method and installation for the regeneration of lubricating oils : en ru
  • SU62686A1 - Device for correcting the primary electric clock : en ru
  • SU62421A1 - Dosing device for feeding the dressing trough sizing machine : en ru
  • US2303643A - Hair comb : en
  • DE728721C - Wing, ailerons or tail surfaces : de en
  • DE728859C - Disk-shaped copy device : de en
  • US2303498A - Sulphonic acid esters of ketols of the cyclopentanopolyhydrophenanthrene series and process of making same : en
  • IE18313L - Oil burner : en
  • DE728916C - Washer head for overmolding flat dishes made of ceramic material : de en
  • FR877253A - Device for reinforcing the ends of thin-walled tubes and in particular tubular rods on board airplanes : en fr
  • US2303854A - Closure retaining spring : en
  • US2304017A - Carrier telegraph system : en
  • DE728839C - Electrical cable covered with natural or synthetic rubber : de en
  • AU116182B2 - Improvements in electric torches : en
  • GB549693A - Improvements in distributor valves for vacuum operated servo devices : en
  • CH224394A - Electric furnace for firing, especially ceramic goods. : de en
  • DE728906C - Electromagnetically adjustable valve : de en
  • US2303321A - Method and apparatus for discharging electricity : en
  • US2303954A - Safety device for workmen on steel structures : en
  • GB549715A - Improvements in and relating to abrasive grains : en
  • GB549609A - Improvements in sleeve-valve internal-combustion engines : en
  • SU62333A1 - Device for preventing sparking on electric locomotive collectors : en ru
  • SU62577A1 - Packet ripper : en ru
  • GB549636A - Improvements in or relating to the manufacture of coated articles : en
  • US2303463A - Construction materials : en
  • US2303781A - Projector mechanism : en
  • USD134454S - Design fok an automobile bumper : en
  • US2303610A - Reversible unidirectional antenna : en
  • DE728607C - Adjustable door handle connection : de en
  • PL31022B1 - : en pl
  • PL31089B1 - Heinrich Korfmann jr. Maschinenfabrik, Witten Ruhr Wrebówka catching the sidewalks rushing : en pl
  • SU62306A1 - Two-stroke pre-chamber engine Diesel dual action : en ru
  • SU62767A1 - The way of facing the walls with plates : en ru
  • US2303341A - Method and apparatus for heating and vulcanizing rubber and similar matter : en
  • PL31020B1 - Svenska Kassaregisteraktiebolaget, Stockholm Multi-drawer cash register : en pl
  • SU62585A1 - Peat trailer : en ru
  • SU62729A1 - The method of optical correction of television images : en ru
  • US2303755A - Pineapple handling apparatus : en
  • US2303833A - Push button switch assembly : en
  • PL31134B1 - A method of continuously manufacturing metal and metal alloy wire, shapes, and pipes : en pl
  • SU62459A1 - A method of manufacturing water-emulsion factual varnishes : en ru
  • SU62462A1 - The method of producing carbon disulfide : en ru
  • CH224417A - Round grippers for sewing machines. : de en
  • DE728683C - Electromagnetic device for detecting cracks in magnetizable workpieces using the magnetic powder method : de en
  • DE728760C - Shoe glue press with free-standing pressing points : de en
  • FR877257A - Process for preparing light-colored, store-stable diesel fuel blends : en fr
  • GB549735A - Improvements relating to the manufacture of sulphur trioxide and apparatus therefor : en
  • US2303526A - Magnetic sheet classifier : en
  • US2303904A - Means for controlling sidesway in vehicles : en
  • USD134486S - Design for a knitted fabric : en
  • CH224420A - Memo card for price and / or other information on attachment to textile products. : de en
  • PL31084B3 - Karol Schóeneich, Warschau Weapons for steel concrete structures : en pl
  • US2303767A - Range finder : en
  • DE728545C - Process for the production of an insulating and priming paste suitable for application to oil-free interior plaster : de en
  • DE728687C - Height and side lashing device on guns in mobile towers : de en
  • US2303608A - Casting metals : en
  • SU62439A1 - Method of applying anti-corrosion multilayer coatings of modified polyvinyl chloride varnishes : en ru
  • AU427742A - Improvements in or relating to the closures or seals of tubes or other containers for pastes, cream, jellies or the like : en
  • CA408931A - Confessional : en fr
  • SU62742A1 - Method for producing active manganese dioxide and copper sponge : en ru
  • US2303407A - Clutch mechanism : en
  • US2303609A - Crude oil conditioning and separating process : en
  • CH224479A - Torsion spring. : de en
  • CH224442A - Ink eraser. : de en
  • CH224524A - Advertising material for theater, slide show, variety or circus performances or for industrial plants. : de en
  • DE728582C - Circuit arrangement for telephone extension systems with dialer operation : de en
  • US2303717A - Regeneration of contact material : en
  • US2303901A - Direct gas-fired bell furnace : en
  • US2303995A - Chemical heater for use in a system for generating gas from liquefied gas : en
  • DE728795C - Bucket excavator : de en
  • GB549633A - Improvements in or relating to reversing gearing : en
  • CH224484A - Galvanic element with air depolarization and a bowl-shaped carrier for the depolarization mass of the positive electrode and process for the production of this element. : de en
  • SU62270A1 - Electrolytic galvanizing method : en ru
  • US2303675A - Hand guard : en
  • US2303986A - Manicure packet : en
  • US2303601A - Process and installation for the transverse reinforcement of pipes and other pieces : en
  • GB549707A - Improvements in or relating to the manual control of d.c. electric circuits for the charging of storage batteries : en
  • DE728587C - Electromagnetic current limiter : de en
  • SU62685A1 - Mercury anode rectifier : en ru
  • US2303593A - Vulcanization of rubber : en
  • FR877340A - Process for the industrial preparation of mycelium from substances which accompany cellulose : en fr
  • FR877245A - Leather or leather belt and method of manufacture : en fr
  • DE728799C - Machine for cutting stacks of paper, the saddle of which is driven by a fluid piston gear : de en
  • DE728917C - Drive device for weir locks : de en
  • US2303865A - Air conditioning apparatus : en
  • US2304020A - Interlock for steel files : en
  • US2303826A - Method of preventing sticking of vinyl resin sheets : en
  • AU296141A - A supporting means for use in adjusting roughcut edges of silvered mirrors by nipping : en
  • US2303737A - Plaster lath construction : en
  • BE447563A - Automatic locking differential mechanism, in particular for automobiles : en fr
  • USD134469S - Marine craft : en
  • FR877192A - Screwing tester intended mainly for the installation of lag screws : en fr
  • SU62448A1 - Tubular rod-shaped material for welding and surfacing : en ru
  • SU62675A1 - Device for automatically maintaining the same depth of cut in copy machines operating with an optical probe : en ru
  • US2303823A - Method of preventing wax deposits in tubing : en
  • US2303934A - Manufacture of cellulose ester hosiery : en
  • FR877391A - Electric current switch, in particular circuit breaker with pressure arc extinguishing : en fr
  • US2303626A - Lamp suspension and positioning structure : en
  • AU116157B2 - Improved thread-milling or like device : en
  • US2303412A - Welt turning and fabric take-up attachment for full-fashioned hosiery knitting machines : en
  • FR877366A - Process for manufacturing individual pieces of porcelain dental prosthesis and oven allowing the implementation of this process : en fr
  • DE728571C - Riveted connection for aircraft construction : de en
  • DE728594C - Electrically heated evaporator for decontamination liquids : de en
  • DE728885C - Device for exchangeable mounting of a cathode for cathode ray tubes : de en
  • FR877206A - Improvements to vehicles, methods of manufacturing vehicle rims and in particular bicycle rims : en fr
  • US2303353A - Device for use in winding rayon : en
  • DE728914C - Anti-theft device acting on the steering device of motor vehicles : de en
  • GB549729A - Improvements relating to latches for doors, windows and the like : en
  • SU62541A1 - Threshing drum : en ru
  • US2303430A - Process for the preparation of purified latex and of rubber, gutta percha, balata, and the like : en
  • CA409072A - Machine tool : en fr
  • SU62447A1 - The method of obtaining NN'-di- (4-dibutylaminophenyl) -urea : en ru
  • DE728616C - Manufacture of paints : de en
  • DE728706C - Solder for soft soldering of aluminum and aluminum alloys : de en
  • GB549623A - Coupling arrangement for power line carrier telephone systems : en
  • FR877292A - Process for the separation of hydrogen phosphides from gases, in particular acetylene : en fr
  • CA408961A - Thermoplastic hydrocarbon dispersion : en fr
  • US2303396A - Voting machine : en
  • US2304048A - Wrapping machine safety mechanism : en
  • SU62250A1 - Circular comparator : en ru
  • DE728489C - Process for washing out the acidic constituents (e.g. HS and SO) from gases, especially smoldering coke oven and hydrogenation gases : de en
  • FR877205A - Assembly piece for bed assembly : en fr
  • CH224485A - Contact brushes consisting of individual layers for electrical machines and switchgear. : de en
  • SU62700A1 - Method for separating potassium bitartrate from felling fluid used in determining sugar : en ru
  • US2303458A - Powder distributing apparatus : en
  • US2303333A - Air purifying and circulating device : en
  • US2303567A - Resilient seat mounting : en
  • FR877220A - Opening fork anti-theft padlock : en fr
  • DE728900C - Holding and tensioning device for the Roedeld wire of concrete circuits : de en
  • DE728646C - Quickly and easily assembled and detachable pipe connection, which at the same time can withstand high pressure loads in longitudinal and transverse directions : de en
  • SU62780A1 - Device for crending fabrics : en ru
  • DE728513C - Process for processing rubber : de en
  • FR877389A - Mono-azo dyes and process for preparing these dyes : en fr
  • GB549709A - Manufacture of monoazo dyestuffs, and their use and the dyed products : en
  • DE728658C - Screw slot clamp for electrical lines : de en
  • DK60382C - Tool for Window Cleaning. : da en
  • FR877274A - Use of iron pipes for drinking water pipes : en fr
  • US2303351A - Tamale machine : en
  • US2303464A - Distributor for internal combus : en
  • CA409005A - Catalyst and olefine oxide production : en fr
  • DE728850C - Process for the production of tea-like beverages from crushed, dried leaves by fermentation : de en
  • CA409039A - Variable ratio transmission mechanism : en fr
  • US2303873A - Infrared health lamp : en
  • SU62204A1 - Method of sealing the foundations of buildings : en ru
  • SU62266A1 - Device for detecting exposed wire sections : en ru
  • SU62796A1 - Variable Transformer Transformer : en ru
  • US2304033A - Sanitary rebreathing bag : en
  • SU62574A1 - The method of melting waste tin bronze : en ru
  • DE728731C - Receiver with a device for eliminating crackling noises : de en
  • SU62379A1 - Air Hydraulic Accumulator for Hydraulic Presses : en ru
  • CA409003A - Electric switching apparatus : en fr
  • CH224441A - Copy machine for perforated film tapes. : de en
  • CH224561A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • CA409042A - Crankshaft grinding machine : en fr
  • DE728611C - Process for making textiles crease : de en
  • CA408934A - Step-ladder : en fr
  • US2303543A - Dewaxing solvent for mineral oils : en
  • US2303611A - Television broadcast antenna : en
  • USD134474S - Design for a vacuum cleaner : en
  • DE728647C - Process for obtaining fibers from brushwood, in particular Spartium scoparium : de en
  • SU62645A1 - Shoe sole processing machine : en ru
  • US2303469A - Shoe tree : en
  • CA408965A - Electric switch : en fr
  • US2304055A - Amplifier : en
  • DE728620C - The wheel carrier is arranged approximately vertically on the aircraft and has twin wheels lying next to each other : de en
  • US2303472A - Graphic recorder : en
  • USD134460S - Design foe a scale : en
  • PL31150B1 - Dr, Michal Telatycki, Otwock K * \ Qfa and Apparatus for the production of artificial pneumothorax : en pl
  • SU62446A1 - Method for the production of food syrup : en ru
  • US2303801A - Blocking-layer cell : en
  • CA408955A - Surface covering material curing process : en fr
  • CH224463A - Clock. : de en fr
  • US2304053A - Stocking and method of knitting : en
  • GB549702A - An improved mineral oil or petroleum hydrocarbon composition : en
  • US2303893A - Dynamo-electric machine : en
  • US2303907A - Multichannel signal transmission : en
  • SU62681A1 - Device for regulating fuel supply in engines Diesel with pneumatic fuel spraying : en ru
  • CH224497A - Electrical discharge vessel with a non-evaporating getter. : de en
  • PL31056B1 - Robert Bosch G. m. B. H., Stuttgart Wal for electric machines, especially for generators on motor vehicles or airplanes : en pl
  • PL31122B3 - Telefunken Gesellschaft fur drahllose Telegraphie m. B. H., Berlin Connection system for adjusting the lamp gain : en pl
  • US2303958A - Electrical resistance pad device : en
  • SU62293A1 - Device for determining the oil content of passable rocks by the luminescence method : en ru
  • SU62659A1 - Purification method of coumarin : en ru
  • AU361341A - Improvements in or relating to machines adapted toperform bending operation on soles for, shoes : en
  • CA409047A - Magnesium carbonate composition : en fr
  • SU62334A1 - Carburetor for internal combustion engines : en ru
  • SU62610A1 - The method of obtaining artificial varnish : en ru
  • CH224559A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • CH224384A - Reinforcing wire. : de en
  • US2303314A - Work guide for pipe reeling machines and the like : en
  • US2303598A - Combination newspaper and coin receptacle : en
  • US2303830A - Television modulator : en
  • DE728651C - Cigar wrapping device : de en
  • US2303513A - Adhesive-applying apparatus : en
  • US2303731A - Coupler for toy railroad vehicles : en
  • SU62770A1 - Device for automatic adjustment of electrical quantities : en ru
  • SU62328A1 - A device for plotting a terrain plan using two aerial photographs. : en ru
  • SU62473A1 - Device for remote on and off of street lighting installations : en ru
  • DE728702C - plastic : de en
  • US2303795A - Liquid propulsion engine : en
  • US2303906A - Polarized light compensating system : en
  • BE447565A - : en
  • SU62304A1 - Device for dynamic balancing of rotation bodies : en ru
  • DE728614C - Coupling for operating two switches at an angle to each other : de en
  • SU62451A1 - Scraper : en ru
  • SU62733A1 - Portable mount for stone faces : en ru
  • US2303937A - Transmission control : en
  • FR877171A - Improvements in indication systems, using a cathodic oscillograph, of the presence, distance and position of an obstacle : en fr
  • FR877280A - Frame for replacing rolls in rolling mill roll stands : en fr
  • ES147688A1 - Perfections in the manufacture of tassels for powders. : en es
  • PL31147B1 - Method for the production of (3-indole acetic acids : en pl
  • US2303677A - Tap for liquid dispensers : en
  • FR877219A - Agricultural chopper : en fr
  • FR877321A - Process for the preparation of azo dyes : en fr
  • DE728881C - Field strength dependent bandwidth control : de en
  • FR877315A - Improvements to lamp bases : en fr
  • US2303499A - Rheostat : en
  • PL31047B1 - : en pl
  • US2303697A - Apparatus for manufacturing thread or the like : en
  • US2303818A - Stabilizing solution of tetra-alkyl lead compounds : en
  • CH224526A - Beach umbrella. : de en
  • FR877293A - Cathode with thorium oxide paste for electric discharge vessels : en fr
  • US2303512A - Carrier synchronization : en
  • SU62520A1 - Optical device to oscilloscope : en ru
  • US2303495A - Rung or dowel fastener : en
  • SU62479A1 - Device for registering moving vehicles : en ru
  • FR877376A - Rayon winding and milling process : en fr
  • CH224469A - Thread cutting tool holder placed on the slide of a normal lathe with a main body that can be slid at an angle to the direction of slide movement. : de en
  • CH224474A - Method and apparatus for making flexible plates and winding them into hollow rods. : de en
  • SU62373A1 - Automatic switch-off of damaged sectional sections of radiators of the aircraft engine cooling system : en ru
  • DE728624C - Triggering device on pit stamps and hiking boxes : de en
  • DE728583C - Short wave vibration generator : de en
  • US2303863A - Phase modulation system : en
  • US2303977A - Hydrant cap : en
  • SU62216A1 - Electric furnace for smelting corundum blocks : en ru
  • DE728530C - Process for the production of esters or ethers : de en
  • USD134489S - Design for a textile fabric : en
  • FR877304A - Cigarette rolling device : en fr
  • DE728681C - Device for checking the center distance of toothed wheels rolling against each other : de en
  • DE728547C - Process for the production of water gas from coke and gaseous hydrocarbons : de en
  • DE728855C - Mud scraper for pits with a bridge supporting the mud scrapers : de en
  • FR877349A - Process for the preparation of polymethine dyes and products obtained by this process : en fr
  • GB549613A - Improvements in or relating to the preparation of concentrated edible products from invertebrates : en
  • CA408973A - Electric switch : en fr
  • CA408939A - Electrostatic condenser : en fr
  • SU62264A1 - The method of regeneration and enrichment of corundum : en ru
  • US2303920A - Photographic apparatus : en
  • US2304025A - Process for color development of photographic materials : en
  • FR877238A - Warning light combined with a reflector, the closing glass of which has reflective elements at the rear, the effect of which is based on total reflection and between which a light passage window is provided : en fr
  • AU116092B2 - Improvements in or relating tothe cooling of pistons of internal combustion engines : en
  • CA409075A - Filament or thread preparation : en fr
  • USD134499S - Design fob a dress : en
  • AU116176B2 - Germicide : en
  • US2303602A - Calcium tartrate production : en
  • US2303855A - Volatilizing apparatus : en
  • USD134472S - Design fob a heater tintt : en
  • US2303798A - Piston ring : en
  • US2303921A - Domestic appliance : en
  • SU62777A1 - Cylindrical reel : en ru
  • DE728633C - Lever mechanism for railway safety signal boxes : de en
  • DE728844C - Process for the production of devices for converting invisible, in particular infrared rays into visible light : de en
  • DE728923C - Process for processing several heavy fluids with suspended matter at different settling speeds : de en
  • CA408992A - Explosive cartridge : en fr
  • CH224507A - Menstrual bulge. : de en
  • DE728736C - Switching device in which an alarm clock activates a contact when a bell is running : de en
  • DE728846C - Air supply for mill firing : de en
  • SU62636A1 - Temperature measurement method : en ru
  • US2303442A - Electrical relay : en
  • US2303520A - Dispenser for rolled sheet material : en
  • DE728727C - Cord loop connection, especially for trouser straps : de en
  • DK60379C - Herd for Gas Generators with Downward Combustion. : da en
  • US2303913A - Dispenser for disinfectants : en
  • DE728487C - Process for the preparation of N, N-dialkyl- or N-alkyl-N-aralkyldipyrazole anthronyls : de en
  • SU62344A1 - The method of protection of thermal insulation coatings on limestone or magnesian coatings from atmospheric and mechanical effects : en ru
  • SU62701A1 - Connection of pipes, mainly boring : en ru
  • US2303482A - Razor sharpener : en
  • USD134450S - Design for a food service stand : en
  • SU62236A1 - Hermetic resistance furnace : en ru
  • FR877375A - Process for preparing nitrogenous products for animal feed : en fr
  • CA409044A - Magnesium carbonate composition : en fr
  • FR877334A - Improvements to processes and apparatus for carbonizing wood : en fr
  • GB549607A - Apparatus for the administration of anaesthetics : en
  • SU62752A1 - Mechanism for shutting down the running roller of metalworking machines : en ru
  • US2303534A - Asbestos fabric : en
  • US2303621A - Apparatus for weighing, tensile testing, or for other like purposes : en
  • US2303902A - Mixing concrete : en
  • US2303811A - Chemical recovery system for pulp mills : en
  • CH224563A - Photographic shutter. : de en
  • US2303785A - Amalgamation apparatus : en
  • SU62226A1 - Photoelectric device for measuring the speed and unevenness of the shaft rotation : en ru
  • US2303607A - Tartaric acid production from calcium tartrate : en
  • US2303656A - Automobile parking building : en
  • US2303868A - Ignition device or system for gas and liquid fuel burners : en
  • US2303973A - Method of and apparatus for production of master alloys : en
  • GB549551A - Ligno-cellulose fibrous pulps and process of making same : en
  • US2303449A - Jacketed bullet : en
  • AU341041A - Improvements in or relating tothe cooling of pistons of internal combustion engines : en
  • CH224460A - Device for checking the position of the sound source in stereo transmission. : de en
  • SU62617A1 - Method for continuous briquetting of heated metal chips : en ru
  • FR877226A - Pedal for velocipeds and motorcycles : en fr
  • FR877392A - A method of manufacturing yarns, artificial fibers and the like from viscose having excellent working properties : en fr
  • US2303579A - Wrench : en
  • SU62320A1 - Device for protecting electrical installations with a tightly grounded neutral against earth faults : en ru
  • SU62688A1 - Furnace for the redistribution and preparation of slags : en ru
  • SU62810A1 - Method for producing di- or trisodium phosphate : en ru
  • SU62601A1 - Smoke exhauster : en ru
  • PL31127B1 - flskania-Werke flktiengesellschaft, Berlin Piston valve, especially for water level regulators Jp \ C \ s ** Ao f * : en pl
  • SU62429A1 - Device to compensate for axial force in axial blower machines : en ru
  • SU62517A1 - Vacuum oil separator divider : en ru
  • SU62623A1 - Flotation separation method for wolfenite and cerussite : en ru
  • SU62319A1 - Device for automatic control of electric shutter : en ru
  • SU62414A1 - Device for feeding bulk or powdery materials to filling machines or similar devices : en ru
  • SU62647A1 - Fluid reservoir : en ru
  • CH224546A - Process for the preparation of pregnane-3,20-dione. : de en
  • US2303361A - Electromagnetic drive : en
  • DE728653C - Suction pressure burner : de en
  • PL31115B1 - A method of producing artificial fibers from viscose while recovering mixtures of hydrogen sulphide and carbon sulphide that have not been diluted with air, and an apparatus for carrying out this process : en pl
  • PL31142B1 - Deutsche Ton- & Steinzeug-Werke flktiengesellschaft, Bad Freienwalde n. Odra and Karl Biefeld, Bad Freienwalde n. Odra Resistance material for electric resistors and the method of its production : en pl
  • US2303398A - Alkaline detergent : en
  • US2303429A - Pilot-wire protective relaying apparatus : en
  • SU62628A1 - The method of obtaining artificial tanning : en ru
  • CA409012A - Inverter circuit : en fr
  • DE728912C - Disengagement control for crank or eccentric presses with sliding pin clutch : de en
  • DK60378C - Composition for Use as Bone Wax. : da en
  • SU62649A1 - Device for putting cameras in tires : en ru
  • SU62795A1 - Loudspeaker for low frequency reproduction : en ru
  • US2303545A - Motor vehicle wheel suspension and shock absorption apparatus : en
  • CH224499A - Electric furnace for melting magnesium and magnesium alloys. : de en
  • DE728630C - Device for separating the admixtures of the steam flowing down from the upper boiler drum : de en
  • PL31073B1 - A way to increase the efficiency of water desalination equipment : en pl
  • US2303646A - Plate printing machine : en
  • DE728608C - Ve-sighting device for by means of a cardan finely adjustable airborne weapons : de en
  • DE728635C - With a magnifying glass equipped reading device for low-lying scales, in particular of radios, telegraph devices and the like. like : de en
  • SU62444A1 - The method of obtaining NN'-di- (4-dipropylaminophenyl) -urea : en ru
  • US2303869A - Treatment of metals : en
  • CA409054A - Flat top sealing machine : en fr
  • PL31097B1 - Daimler-Benz flktiengesellschaft, Stuttgart-Unterturkheim Axle unit, flexibly suspended on the frame : en pl
  • US2303360A - Apparatus for determining inclination of well bores : en
  • SU62783A1 - The method of polymerization of divinyl in emulsion x : en ru
  • US2304034A - Building construction : en
  • AU365641A - Improvements in or relating to vapourisers for suction gas apparatus using steam : en
  • CA409015A - Balanced vibratory converter system : en fr
  • PL31059B1 - : en pl
  • SU62673A1 - Device for transmitting linear distances : en ru
  • US2303541A - Dry cleaning machine : en
  • US2303451A - Peak demand meter : en
  • USD134470S - Design fob a curtain display rack : en
  • BE447422A - : en fr
  • CH224382A - Building block. : en fr
  • GB549654A - Improvements in and relating to electric resistors : en
  • DE728847C - Regulation for air flow heater operated with fuel gases : de en
  • FR877211A - Method of reproducing the human voice on a keyboard instrument : en fr
  • GB549700A - Improvements in or relating to the propulsion of aircraft or vehicles : en
  • DE728725C - Klaerspitze, thickener or the like for coal or similar substances : de en
  • DE728791C - Anti-skid chain for motor vehicle tires : de en
  • CA408999A - Machine bearing : en fr
  • PL31075B1 - Device for automatic amplitude regulation in TV sets : en pl
  • AU365241A - Improvements in and connected with furnaces used in heating materials : en
  • US2303800A - Method of making agitator brushes : en
  • AU116158B2 - Improvements in or relating to machines adapted toperform bending operation on soles for, shoes : en
  • FR877209A - Dyes of the triazol series : en fr
  • FR877291A - Prism binoculars : en fr
  • CH224481A - Winch, in particular for elevators and cable cars. : de en
  • US2303426A - Contents elevator for containers : en
  • US2303390A - Scythe : en
  • PL31152B1 - : en pl
  • USRE22227E - Bleaching agent and process of : en
  • SU62674A1 - Elasticity Tester for Piston Rings : en ru
  • US2303733A - Stopper for bottles and like containers : en
  • CA409021A - Composite metal element : en fr
  • SU62390A1 - The method of starting engines t yellow fuel : en ru
  • US2303810A - Apparatus for depositing materials : en
  • CH224446A - Target. : de en
  • GB549620A - Improvements in or relating to rotary printing presses : en
  • DE728679C - Device to prevent impermissible operating states in automatically regulated electrical heating devices : de en
  • DE728708C - Solid fuel gas vehicle : de en
  • DK60375C - Connecting and branching socket for multi-wire earth cables. : da en
  • DE728618C - Process for the treatment of structures obtained by spinning protein solutions : de en
  • AU116173B2 - Improved apparatus forthe preparation of smokeless fuel from brown coal : en
  • CH224430A - Process for achieving matt black colorations on objects made of aluminum and aluminum alloys. : de en
  • FR877306A - Process for preparing azo dyes for printing on fabrics : en fr
  • US2303943A - Automatic carriage-return mechanism for typewriters : en
  • GB549703A - Improvements in or relating to the production of improved fatty material : en
  • DE728716C - Drive a flap operated from inside a defensive body : de en
  • SU62415A1 - Piston, engine with external combustion chamber : en ru
  • DE728755C - Overlay receiver with two successive intermediate frequencies : de en
  • GB549697A - Improvements in or relating to furnaces fired with pulverized fuel : en
  • CA409038A - Plasticized resin : en fr
  • CH224472A - Process for the production of workpieces from hardenable aluminum alloys with high and uniform strength properties, as well as a workpiece produced according to this process. : de en
  • SU62263A1 - Apparatus for measuring levels of liquids in wells : en ru
  • SU62695A1 - Suction nozzle : en ru
  • SU62355A1 - Device for maintaining the speed constant of two engines : en ru
  • SU62616A1 - Device for automatic balancing of drilling tools : en ru
  • DE728718C - Shear and tree machine with directly driven boom and upstream measuring drum carried along by the threads : de en
  • US2303629A - Porous article of bonded granular material : en
  • FR877255A - Improvements to internal combustion engines with purge air compressors : en fr
  • SU62676A1 - Harmonic analysis device : en ru
  • US2303843A - Control system : en
  • GB549724A - Improvements in snap-action electric switches : en
  • AU116155B2 - Improved nozzle for bunsen type gas burners : en
  • CH224508A - Bracket for making a transport sled with the help of two skis and a stretcher. : de en
  • SU62631A1 - Device for overcurrent protection : en ru
  • US2303436A - Method of making rigid articles : en
  • USD134476S - Design for an automobile map holder : en
  • SU62202A1 - Local oscillator synchronization device : en ru
  • DE728610C - Folding box with flap and flap flaps : de en
  • DE728857C - Process for preparing full blocks for extrusion of pipes : de en
  • US2303415A - Ground clearing fork for steam shovels and the like : en
  • SU62751A1 - The method of cutting coal seams : en ru
  • GB549668A - Improvements in or relating to light polarizers and process of making same : en
  • DE728595C - Pot handle : de en
  • DE728703C - Process for the extraction of metals from ores by chlorination : de en
  • SU62268A1 - Flotation method : en ru
  • US2303443A - Damping device for circuit interrupters : en
  • US2303572A - Method and apparatus for determining electrical conductivity of heated fluid pressure mediums : en
  • SU62228A1 - Room stove : en ru
  • SU62537A1 - Method and device for cleaning onions : en ru
  • FR877243A - Instrument indicating the number of turns, in particular for the navy : en fr
  • DE728889C - Automatic loading device for locomotive firing : de en
  • US2303620A - Method of firing regenerative furnaces or the like : en
  • DE728809C - Magnetic electric machine (crank inductor) with a set of changeover springs : de en
  • DE728822C - Damper device for string instruments : de en
  • US2303343A - Silicon steel electrical strip : en
  • US2303382A - Heater control : en
  • US2303766A - Vacuum sealing device : en
  • US2303999A - Bus-bar mounting : en
  • US2303584A - Screw conveyer : en
  • US2303728A - Baby bottle retainer : en
  • US2304035A - Camera shutter and light synchronizer : en
  • FR877185A - Improvement in two-speed compressor controls for flying machine engines : en fr
  • GB549617A - Improvements in or relating to electrical heating devices or appliances : en
  • PL31017B1 - August Schnitger, Lemgo Fastening the lock, especially on bicycles or motorbikes : en pl
  • PL31116B1 - Leon Emile Remondy, Paris Impact fuse with a very sensitive, tearable point : en pl
  • FR877168A - Coating and its manufacturing processes : en fr
  • FR877394A - Manufacturing process of vertical shell cast iron cylinders : en fr
  • DE728749C - Arrangement for the release of short-term discharges for exposure purposes : de en
  • US2303590A - Pump relief valve : en
  • DE728805C - Device on booking machines for labeling form strips : de en
  • US2303352A - Method of applying cone wrappers : en
  • USD134494S - Design for a jacket : en
  • FR877290A - Device with screen control for printing or projecting polychrome films : en fr
  • DE728854C - Flap weir : de en
  • DE728757C - Body made of synthetic resin molding compound : de en
  • CA408963A - Jordan engine plug jacket : en fr
  • SU62531A1 - The method of supplying a mixture of air and oxygen in the suit of the pilot : en ru
  • US2303383A - Waistcoat : en
  • US2303585A - Garment display means : en
  • USD134463S - Design for a lamp : en
  • DE728445C - Overlay on photographic elements and method of manufacture : de en
  • DE728788C - Foldable speaking head with hinge axis without harmful thread play : de en
  • SU62666A1 - Telegraph switch : en ru
  • SU62692A1 - Method and device for wrapping biscuits : en ru
  • US2303976A - Guideway or passage for machinegun ammunition belts : en
  • PL31038B1 - Karl Schmidt G, m, b, H ,, Neckarsulm Machine parts, especially worm wheels, conical wheels, gear wheels and the like, subject to rolling away during operation : en pl
  • FR877225A - Process for the production of symmetrical and asymmetric carbocyanines substituted for central carbon atoms of the chain : en fr
  • US2303928A - Process for the production of photographic color images : en
  • US2304057A - Keystone correction circuit : en
  • CA409026A - Carcass refrigerating apparatus : en fr
  • CA408944A - Hameless horse collar : en fr
  • SU62211A1 - Device to control the diameter of the piston rings : en ru
  • US2303371A - Mercury switch relay : en
  • US2303492A - Circuit-breaker mechanism : en
  • FR877232A - Adaptation of a wooden sole to the so-called welt-made shoe : en fr
  • GB549638A - Improvements in and relating to electric delayed action relay switch mechanism : en
  • SU62779A1 - Exhaust Gas Analyzer for Internal Combustion Engines : en ru
  • SU62482A1 - The method of producing vanadium nitride : en ru
  • SU62550A1 - Splintering machine : en ru
  • SU62797A1 - Electromagnetic disc brake : en ru
  • CA409056A - Catalyst : en fr
  • CH224458A - Talking machine with plate changing device. : de en
  • CH224560A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • SU62593A1 - Device for handling long loads : en ru
  • CA409023A - Shaving device : en fr
  • SU62549A1 - Motorcycle fitting for snow driving : en ru
  • SU62384A1 - Fabric guide : en ru
  • US2303642A - Pressure sealed coupling : en
  • CH224380A - Distribution device on mobile plant spraying systems. : de en
  • DE728720C - Photographic camera with electric light meter : de en
  • FR877159A - Method for preventing the troublesome formation of slag in the reaction zone of gasifiers : en fr
  • US2303441A - Windcharger : en
  • US2303734A - Key for communication systems : en
  • SU62568A1 - The method of cementation of gold and silver from cyanide solutions : en ru
  • US2303647A - Outside drill pipe cutter : en
  • US2303857A - Air conditioner for vehicles : en
  • DE728655C - Electric roller of roller alleys, especially of rolling mill roller alleys : de en
  • DE728770C - Mobile excavator equipment : de en
  • US2303477A - Tanning and dyeing leather : en
  • SU62530A1 - Bakery oven for Eastern national breads : en ru
  • DE728671C - Two-hand engagement device for presses : de en
  • SU62588A1 - Sprinkler head : en ru
  • GB549616A - Improvements in or relating to moving stairways : en
  • GB549742A - Improvements relating to machines for plucking hops and other plants : en
  • US2303619A - Adjustable pickup head for sound reproducing apparatus : en
  • SU62412A1 - Plow for Russian plowing : en ru
  • US2303780A - Upsetting mechanism : en
  • DE728579C - Method for preventing sludge build-up in manifolds of a forced circulation boiler : de en
  • FR877241A - Friction wheel shifter mechanism with single-segment force transmission : en fr
  • CA409067A - Railway signalling system : en fr
  • DE728905C - Air-compressing internal combustion engine working with spark ignition : de en
  • PL31025B1 - : en pl
  • SU62231A1 - Truck body : en ru
  • FR877319A - Filter for gasifiers : en fr
  • GB549628A - Improvements in or relating to control systems for stage lighting and the like : en
  • US2303326A - Card support : en
  • US2303587A - Conveying apparatus : en
  • US2304052A - Stocking and method of making the same : en
  • USD134462S - Multiple exhaust pipe unit for motorcycle engines : en
  • SU62494A1 - The method of obtaining 1-alkylamino-4-sulfo-2-benzoic acids : en ru
  • CH224444A - Ski binding. : de en
  • US2303387A - Mulling apparatus : en
  • US2303497A - Duplex metal body : en
  • PL31051B3 - : en pl
  • AU116983B2 - Improvements in and relating to devices for dispensing or delivering liquids, for instance, ink : en
  • FR877160A - Adjustment, independent of the direction of rotation, of the welding current intensity of DC generators with transverse reaction by offset of the brushes : en fr
  • PL31137B1 - Variable planetary gear : en pl
  • SU62210A1 - Electron beam lamp for microwaves : en ru
  • SU62395A1 - Vibrator : en ru
  • US2303494A - Shoe upper and method of finishing : en
  • US2303657A - Cupola : en
  • SU62606A1 - Device for automatic control of mature mash stream : en ru
  • GB549661A - Improvements in or relating to containers or boxes for storing safety razors : en
  • DE728520C - Method for determining the properties to be expected after processing of building materials, especially concrete mixes, that harden under the influence of binders : de en
  • GR10008B - METHOD AND DEVICE FOR SIMULATING THE DIMENSIONS OF PIPES AND SIMILAR. : el en
  • PL31117B1 - : en pl
  • SU62799A1 - Electron beam lamp : en ru
  • SU62220A1 - Heterodyne : en ru
  • US2303816A - Refrigeration : en
  • US2303988A - Transparency displaying device : en
  • US2303715A - Grinding wheel truing apparatus : en
  • US2304004A - Coffee maker : en
  • USD134488S - Embroidered textile fabric : en
  • FR877210A - transformable element for constituting electrical installations : en fr
  • FR877380A - Socket with plug for power lines : en fr
  • SU62690A1 - Spring : en ru
  • CA409022A - Razor : en fr
  • SU62762A1 - Method and device for the summary of adjacent sheets of tablets : en ru
  • US2304016A - Salt-bath furnace : en
  • SU62758A1 - Plate silencer-heat exchanger : en ru
  • US2303804A - Antiskid device : en
  • US2304038A - Locking device : en
  • CH224408A - Roller hanger for spinner curtains. : de en
  • DE728856C - Thread tensioning device, especially for slip frames : de en
  • US2303318A - Separating hydrated phosphorus pentoxide : en
  • CH224459A - Talking machine with automatic disc changer and automatic stop device. : en fr
  • US2303503A - Metal enclosed switchgear : en
  • CH224462A - Gear part for precision mechanical apparatus. : de en
  • DK60390C - Cellular Tray for Use as an Insert in Boxes for Eggs and Similar Crazy Items. : da en
  • US2303461A - Shoe sewing machine : en
  • DE728682C - Optical system for telescopes serving as eyepiece or lens : de en
  • DK60371C - Procedure and Plant for Continuous Alcohol Extraction of Pure Alcoholic Liquids. : da en
  • GB549648A - Improvements in and relating to ventilators : en
  • SU62583A1 - Peat trailer : en ru
  • SU62757A1 - A method for extracting pyrethrins from Dalmatian chamomile, etc. of plants : en ru
  • DE728598C - Device to prevent braking noise when braking for rotary movements : de en
  • FR877269A - Device for obtaining a rectangular explored surface on the screen of a television transmitter or receiver tube : en fr
  • FR877386A - Double wall cofferdam, made of sheet piles with double tau profile : en fr
  • US2303635A - Strip aligning and feeding device : en
  • DE728739C - Spin pot, especially for rayon, with exchangeable insert base : de en
  • FR877336A - Metal vapor current rectifier with liquid cathode and ignition electrode immersed in the liquid metal of the cathode : en fr
  • FR877172A - Drip device with guide stopper for flow : en fr
  • DE728474C - Circuit arrangement for measuring the degree of modulation : de en
  • DE728705C - Device for the simultaneous detection of several poisonous gases in the air : de en
  • DE728797C - Dough kneading machine : de en
  • PL31153B1 - Device for lowering the liquid content in wet masses such as beetroot slices, grated potatoes, raw peat, etc. : en pl
  • US2303551A - Solvent composition : en
  • CH224401A - Device for generating mixed gas. : de en
  • FR877191A - Taps and valves with movable jacket shut-off, guided cap and variable hydraulic thrust float, made of metal or replacement materials and transformers for used taps : en fr
  • SU62507A1 - Device for compound compensation of inductive voltage drop of transmission line : en ru
  • AU116156B2 - A supporting means for use in adjusting roughcut edges of silvered mirrors by nipping : en
  • FR877339A - Process for manufacturing substantive azo dyes : en fr
  • DK60380C - Diaphragm air pump. : da en
  • FR877229A - Process for the recovery of residues produced in the extraction of fats from fattened microorganisms : en fr
  • FR877361A - Device for the extraction of slag in tilting martin furnaces : en fr
  • GB549690A - Improvements in or relating to optical objectives : en
  • CH224494A - Amplifier device applicable to very high frequencies. : en fr
  • FR877276A - Improvements to gasifiers : en fr
  • SU62496A1 - Instrument for determining the oxygen content in water : en ru
  • CA408933A - Diaper : en fr
  • CA409065A - Surface spine raising machine : en fr
  • DE728896C - Machine parts made of cast iron that can be machined with cutting tools : de en
  • DE728645C - Fuel regulator for rotary valve of internal combustion engines : de en
  • DE728913C - Idler wheel support with fracture link for caterpillar vehicles : de en
  • PL31146B3 - The method of producing derivatives of amino fatty acids : en pl
  • SU62336A1 - The method of regulating the fuel supply in internal combustion engines : en ru
  • PL31095B1 - Device for heating oil in internal combustion engines : en pl
  • SU62387A1 - Automatic safety device to prevent engine crashes when loosening or excessive lengthening of reeled bolts : en ru
  • CA408971A - Dynamo-electric machine : en fr
  • SU62252A1 - Single chamber flow meter : en ru
  • SU62678A1 - Compounding device for synchronous generator : en ru
  • US2303422A - Method of canning : en
  • US2303828A - Method of preventing sticking of vinyl resin sheets : en
  • US2303922A - Body exerciser : en
  • US2304049A - Photographic apparatus : en
  • SU62443A1 - The method of obtaining complex bitumen-thiokol emulsions : en ru
  • SU62261A1 - Gutter system : en ru
  • US2303344A - Container display stand : en
  • US2303555A - Hot plate device : en
  • US2304042A - House cooler and heater : en
  • CH224517A - Two-way transmission system with transmission paths effective in opposite directions. : de en
  • FR877158A - Process for preparing coffee substitutes : en fr
  • US2303672A - Burner control apparatus : en
  • USD134490S - Design fob a textile fabric : en
  • US2303568A - Resilient wheel mounting : en
  • US2303764A - Packaging and dispensing razor blades : en
  • US2303699A - Actuating device for brakes and the like : en
  • US2303710A - Brake : en
  • DE728612C - Arc Chamber Switch : de en
  • US2303435A - Electrical apparatus : en