• US2022637A - Washing apparatus : en
  • US2022009A - Machine for coating metallic cores with cement plaster by spiral windings, provided with devices to regulate the forming and conveying rollers and belts : en
  • AT143799B - Razor. : de en
  • CH180988A - Construction element for building games. : de en
  • CH181059A - Carburetor. : en fr
  • US2022300A - Dredge conveyer : en
  • US2022553A - Mounting of ball mills : en
  • PL22315B1 - The method of producing insulating and waterproof material, especially for flat roofs, roadways, pavements, floors, etc. : en pl
  • AT143724B - Device for remote reading of instruments. : de en
  • AU2235135A - Improvements in piston ring : en
  • AT143700B - Device on wheeled vehicles to protect clothes against soiling by the light dynamo wheel. : de en
  • BE411909A - : en
  • PL22288B1 - Electric device for therapeutic baths. : en pl
  • PL22309B1 - The method of producing porous-bubble masses and objects. : en pl
  • CH180904A - Shovel for snow removal. : en fr
  • CH181024A - Plant for the transformation of an aqueous substance into a dry powder. : en fr
  • DE622357C - Process for the preparation of tertiary nitriles : de en
  • SU45023A1 - The method of analysis of indinylin obtained from carbazole and n-nitrosophenol : en ru
  • DE622401C - Circuit arrangement for telephone systems with dialer operation : de en
  • BE411653A - : en
  • SU45024A1 - The method of obtaining bronzing varnish : en ru
  • SU45079A1 - A device for determining the altitude of an aircraft with a continuous indication of its changes : en ru
  • US2021963A - Display machine : en
  • PL22210B1 - Device for peeling and polishing all kinds of grains. : en pl
  • US2022328A - Brake shoe : en
  • PL22334B1 - Bearing for wagon poodles. : en pl
  • US2022451A - Device for measuring lengths of cloth and similar material : en
  • CH181111A - Self-seller. : de en
  • FR790866A - Improvements to signaling devices for urban traffic : en fr
  • FR790906A - Bicycle rack : en fr
  • SU45013A1 - The method of local annealing of sheet metal : en ru
  • SU44984A1 - Thermal time switch : en ru
  • SU45027A1 - Method for continuous sulfuric acid cleaning of lubricating oils : en ru
  • US2022181A - Hydraulic hoist for dump bodies : en
  • SU45042A1 - Method of using sulphite liquor as a binder for rod masses : en ru
  • SU45044A1 - Method of making rods (cones) : en ru
  • US2022058A - Power translating device : en
  • SU45212A1 - Postal transport device : en ru
  • US2022164A - Water filtering and cooling means : en
  • ES139598A1 - Mechanism of orientation and inclination of the headlights for automobiles and other applications. : en es
  • ES139754A1 - A hair clipper. : en es
  • US2022120A - Beaded tire cover construction : en
  • DE622537C - Process for the production of rivet, screw or similar connections with slotted spacer tubes installed in the same axis as the rivets etc. : de en
  • CH180914A - Corner connection hinge for single and multi-leaf windows and doors. : de en
  • US2022339A - Grain header : en
  • US2022393A - Snowplow : en
  • SU45122A1 - Sowing apparatus : en ru
  • CA354387A - Steam boiler : en fr
  • CH181150A - Gyroplane. : de en
  • DE622381C - Spreading device for fertilizer spreader with vertical, moving spreading slides : de en
  • FR790615A - Process for fractionating hydrocarbon mixtures containing hard or soft paraffin and optionally asphalt : en fr
  • ES139559A3 - A procedure for manufacturing heavy oil burner nozzles. : en es
  • GB438868A - A process for the manufacture of floor coverings : en
  • SU45203A1 - Candy Packaging Machine : en ru
  • FR790928A - Very pure crystalline dextrose manufacturing process : en fr
  • DE622265C - Lining box, especially for cylinders of internal combustion engines : de en
  • DE622286C - Slice stacking device for slicing machines : de en
  • DE622415C - Device for the production of hollow bodies from plastic masses, in particular rubber masses : de en
  • PL22277B1 - Method for the production of cyclic acid derivatives (B-ketocarbonic acids. : en pl
  • SU44925A1 - The method of obtaining bromoform : en ru
  • SU44935A1 - Stand for utility fonts : en ru
  • SU45157A1 - Pipe drill : en ru
  • CH180955A - Device used to introduce at least one product into a catalysis oven. : en fr
  • FR790792A - Air pump with special suction device : en fr
  • AT143715B - Storage heater with solid packing. : de en
  • AT143655B - Method of combating rust of crops and club root. : de en
  • AT143650B - Process for the production of bituminous road building materials. : de en
  • ES139576A1 - Improvements in the elements of the apparatus for manipulating cinematographic films. : en es
  • FR790665A - Improvements in the manufacture of yarns or filaments of rayon or the like : en fr
  • FR790862A - Apparatus for introducing threads of coagulable liquid into a coagulation bath : en fr
  • SU44995A1 - Method and device for measuring the phase shift of two curves obtained with one or two oscillographs : en ru
  • CA354434A - Cereal grain processing : en fr
  • AT143725B - Lockstitch sewing machine. : de en
  • SU44888A1 - Well curvature measuring instrument : en ru
  • SU45101A1 - Micro refractometer : en ru
  • US2022352A - Folding machine : en
  • USD97607S - Design for a toy wagon : en
  • SU44943A1 - Brake device for a monorail trolley : en ru
  • PL22270B1 - Spesib the processing of iron ore into spongy iron and then into the heating iron nipple and a device for this purpose. : en pl
  • US2022357A - Radio-telephony system : en
  • US2022445A - Vending machine : en
  • SU44928A1 - Method for producing alpha-amylcore aldehyde : en ru
  • SU44987A1 - Device to protect the drilling tool from damage : en ru
  • FR790859A - New 4-amino-dinitro-diphenylamines and their manufacturing process : en fr
  • FR790948A - Improvements to spectacle frames or the like : en fr
  • GB439003A - Improvements in or relating to electric fusible cut-outs : en
  • DE622389C - Process for regulating the light components attributable to the individual filter colors in lenticular films : de en
  • DE622449C - Process for tempering and bright annealing of non-cementable zinc-containing alloys : de en
  • CH181124A - Carrying frame for rucksacks. : de en
  • CA354426A - Tabulating machine : en fr
  • US2021976A - Fruit stoning machine : en
  • PL22203B1 - A method of stabilizing hydrocarbon distillates. : en pl
  • PL22268B1 - A method of cleaning light oils. : en pl
  • US2022384A - Liquid seal : en
  • SU45140A1 - Internal combustion turbine : en ru
  • US2022204A - Fishing reel : en
  • GB439050A - Improvements in or relating to electro-optical devices for controlling light : en
  • GB439067A - Switching arrangements in automatic telephone systems : en
  • US2022417A - Air impeller : en
  • DE622399C - Luminaire with a reflector with a retaining rim : de en
  • SU45146A1 - A device for coating an insulating substance from inside a sewer pipe : en ru
  • US2022191A - Shipping case : en
  • ES139741A1 - Procedure for obtaining follicular hormone. : en es
  • FR790875A - Mechanism controlled by brake or friction, in particular to regulate the delivery of the chain in looms : en fr
  • USD97647S - Design for a liquid pump : en
  • CA354365A - Therapeutic table : en fr
  • SU45086A1 - A device for introducing into the holes of animal pests of toxic substances doses : en ru
  • US2022090A - Battery container : en
  • US2022396A - Oscillating sprinkler : en
  • AT143753B - Radio receiver with loop antenna. : de en
  • FR790708A - Safety device for trains : en fr
  • PL22238B1 - : en pl
  • CH181155A - Process for the preparation of a phenylated compound. : de en
  • SU45223A1 - Weaving device for stopping when the main thread breaks : en ru
  • USRE19767E - Method for manufacturing : en
  • CH181028A - Lighter. : de en
  • DE622371C - Device for placing injured people on stretchers with a rigid, footless support surface : de en
  • USD97623S - Design for a two-piece beach suit : en
  • AU2031834A - Improvements in or relating to froth flotation concentration processes : en
  • SU45210A1 - Device for scooping and feeding bulk material from heaps or piles onto a conveyor belt : en ru
  • PL22236B1 - : en pl
  • DK50944C - Apparatus for propelling bicycles, vehicles, ships and other means of transport. : da en
  • SU45124A1 - Manual Flush Tea Machine : en ru
  • DE622464C - Process for the preparation of dyes and dye intermediates : de en
  • ES139767A3 - A procedure for making molds or stencils for painting, especially for painting fabrics. : en es
  • DE622283C - Suction box covering for paper machines : de en
  • FR790994A - Time delay devices for intermittent supply of a circuit : en fr
  • FR790998A - Hermetic face mask : en fr
  • US2022335A - Rotary garden rake and cultivator : en
  • US2022558A - Preparation of doctor solutions : en
  • AT143711B - Liquid fuel stoves. : de en
  • GB438850A - Improvements in skimming devices for glass tanks or furnaces and to the gathering of charges therefrom : en
  • GB438922A - Anti-skid attachment for shoes : en
  • DE622487C - Scissor strut locking device on scissor strut photographic cameras : de en
  • FR790693A - Mold for line composing and melting machine : en fr
  • FR790914A - Time-resetting devices for synchronous motor clocks : en fr
  • GB439148A - Improvements in or relating to road roller vehicles : en
  • ES139575A3 - A machine to carry out the development, fixing, washing and drying of cinematographic films, positive and negative, without interruption. : en es
  • ES4201U - Bathing suit that by means of a system of braces allows to obtain different aspects of the same (Machine-translation by Google Translate, not legally binding) : en es
  • US2022506A - Thread moistening apparatus : en
  • DE622400C - Device for the removal of waste materials thrown out during the cleaning of trackless bedding above the side shoulder : de en
  • GB438932A - Improvements in or relating to cinematographic apparatus : en
  • DE622383C - Circular saw for angled cut in one gear with two intersecting saw shafts : de en
  • ES138877A1 - A manufacturing process of espadrilles with an inside sole of the same ones, constructed of flat braid of vegetal fiber reinforced on another one of fabric and nailed both on sole of floor. : en es
  • ES3641Y - Refractory material resistance holders for electric heaters. : en es
  • FR790927A - Crystallization process of dextrose : en fr
  • DE622409C - Process for the production of azo dyes : de en
  • GB438853A - New or improved device or instrument for use in sharpening safety razor blades : en
  • PL22207B1 - Method of producing metals and alloys poor in weight. : en pl
  • ES139409A1 - Improvements in electric oscillation generators combined with electron discharge devices. : en es
  • ES4227U - Repeating harmless throw toy. (Machine-translation by Google Translate, not legally binding) : en es
  • DE622395C - Device for converting quantities from one coordinate system into those of another : de en
  • GB438865A - Improvements in or relating to gasfilled electric incandescent lamps intended more particularly for photographic purposes : en
  • GB438927A - Automatic articulated coupling for vehicles, more particularly for trailers of road motor vehicles : en
  • GB439288A - Improvements in or relating to radio receivers : en
  • US2022199A - Abrasive product : en
  • US2022334A - Molten metal displacement device : en
  • US2022486A - Electrical terminal connection block : en
  • SU45182A1 - Door lock : en ru
  • AT143631B - Process for the production of white leather. : de en
  • US2022008A - Pole support : en
  • ES139449A1 - Apparatus for sharpening and smoothing razors and cutting tools in general. : en es
  • US2022387A - Tractor semitrailer power transmitting means : en
  • FR790743A - Shoe rack : en fr
  • US2022122A - Tire cover : en
  • CA354369A - Fuel injector : en fr
  • DE622311C - Process for the production of wool dyes of the anthraquinone series : de en
  • DE622386C - Inductively heated flow heater for liquids such as milk : de en
  • US2021941A - Generator voltage regulator : en
  • US2022362A - Amateur motion picture camera : en
  • SU45171A1 - A device for regulating light in film copying machines : en ru
  • FR790729A - Method and device for guiding an aircraft : en fr
  • ES139620A3 - Improvements in the procedures for the separation of minerals by flotation. : en es
  • ES3724Y - Metal cover for the base of the head of clothing sewing machines. : en es
  • FR790752A - Tank float valve : en fr
  • FR790800A - Anchor nail : en fr
  • US2022512A - Combustion method and apparatus : en
  • DE622282C - Heat jet control unit : de en
  • FR790627A - Nut lock : en fr
  • FR790772A - Improvements to broadcast receivers : en fr
  • GB438863A - Improvements in or relating to respirators : en
  • DE622436C - Hinge or hinge-like closure made of plastically deformable material, in particular synthetic resin or the like. : de en
  • GB439117A - Improvements in or relating to record strip feeding mechanism for registers and similar accounting machines : en
  • GB438977A - Improvements in or relating to shackles for use in connection with chains and the like : en
  • SU44961A1 - Radio : en ru
  • SU45009A1 - Mosaic sensing method : en ru
  • GB438909A - Improvements in and relating to the projection of correlated films and the like : en
  • GB439019A - Improved macerating machine : en
  • US2022437A - Head and spindle counterbalance : en
  • US2022277A - Button fastening machine : en
  • DE622432C - Fastening device for replacement wheels supported on the outside of motor vehicles by means of a one-piece rigid retaining arm : de en
  • DE622540C - Jacks for motor vehicles : de en
  • GB439114A - Improvement in vat dye compositions : en
  • FR790956A - Metal refinements : en fr
  • US2022453A - Electric heater : en
  • US2022610A - Pump : en
  • US2021918A - Fluid meter : en
  • GB439054A - Improvements in or relating to the manufacture of organic cyanogen compounds : en
  • AT143657B - Process for the manufacture of a powdered hand cleaning agent. : de en
  • AT143667B - Vessel closure, in particular for preservation vessels. : de en
  • CH180891A - Snake spoon for spin fishing. : de en
  • DE622315C - Device for changing the elliptical shape of the cross-section of the chest into a very circular shape : de en
  • US2022184A - Plaiting mechanism : en
  • SU44931A1 - The method of producing cyclohexanecarboxylic acid alhydride : en ru
  • GB438989A - Improvements in or relating to television or like apparatus : en
  • FR790609A - Tensioner roller for operating mechanism of spindles on spinning looms and twisting looms : en fr
  • US2022110A - Coin-operated electric switch : en
  • USD97602S - Design fob a statuette ob : en
  • PL22227B1 - A method of reducing the acid content of dairy products, such as butter or cream, or fats or oils. : en pl
  • SU45097A1 - The way to record sound on film : en ru
  • SU45243A1 - Device for reloading standard vessels or shchikov from one crew to another : en ru
  • US2022226A - Safety milk bottle container : en
  • ES139616A1 - Improvements in oil or other liquid spouts. : en es
  • FR790672A - Fuel pump for internal combustion engines with gear shifting and airless fuel injection : en fr
  • FR790828A - Method for manufacturing guipures, and device for implementing this method on so-called bobbin looms : en fr
  • PL22214B1 - ki. yhbrtfi \. The structure of ferroconcrete, made of a concrete slab, supported by iron beams. : en pl
  • SU45080A1 - Electrodynamic vibrograph : en ru
  • SU45177A1 - Ferry : en ru
  • US2022381A - Antirobbery receptacle : en
  • ES139636A3 - A process for obtaining synthetic resins from the reaction produced by phenols or cresols with formic aldehyde, through the presence of a catalytic or contact material. : en es
  • US2021900A - Pick : en
  • US2021952A - Freight loading and unloading device for vehicles : en
  • US2022616A - Chlorinating ethylene hydrocarbons : en
  • US2021886A - Trailer construction : en
  • CA354391A - Brake mechanism : en fr
  • CH181113A - Tariff apparatus, in particular self-seller of fees with changeable ratchet transmission. : de en
  • DE622406C - Star quad built up from wires for telecommunication cables : de en
  • GB438813A - Improvements in or connected with latches or locks : en
  • FR790972A - Self-closing faucet : en fr
  • GB438907A - A new or improved combination bed-table, shoe-box, and chair : en
  • FR790958A - Preparation of opaque artificial masses by compression : en fr
  • GB438787A - Improvements in controls for engine starting systems : en
  • ES139783A1 - A new device for automatic dragging of the fabric for sewing machines. : en es
  • GB438906A - A mechanical timing unit for water gas and other cyclic processes : en
  • AU2179735A - Improvements in card cabinets : en
  • DE622391C - Display device for metal photographic cassettes : de en
  • US2022141A - Differential gearing and power transmission : en
  • DE622310C - Self-switch designed like a contactor : de en
  • DE622402C - Process for the splitting of hydrocarbon oils : de en
  • DE622404C - Double flap weir : de en
  • SU45162A1 - Method for producing purified low viscosity fiber for the production of cellulose ethers and esters : en ru
  • ES139637A1 - A perfection introduced in airplanes and other devices equipped with a mouth of automatic fire. : en es
  • CH180990A - Grain slide. : de en
  • SU45001A1 - The method of increasing the accuracy of the readings of measuring instruments : en ru
  • SU45138A1 - Radiator for internal combustion engine : en ru
  • SU45116A1 - Trigonometer : en ru
  • DE622492C - Process for the production of woven transport belts from cotton or similar raw materials : de en
  • ES138827A1 - A manufacturing process for a product to produce artificial heat and smoke to counteract or neutralize low temperatures and avoid frosts of fruits and other products from the field. : en es
  • FR790885A - Tube intended to contain and protect conductors of electric lines, method for manufacturing it and machine for implementing this method : en fr
  • DK50943C - As an independent shoulder weapon usable self-loading rifle. : da en
  • ES4189U - Table-school desk removable. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439150A - Improvements in methods of feeding molten glass : en
  • FR790957A - Slider closure : en fr
  • GB439177A - Improved manufacture of higher aliphatic and cycloaliphatic sulphonic acids : en
  • FR790809A - Process for preparing fuels stable to self-ignition by destructive hydrogenation of liquid hydrocarbons : en fr
  • US2022244A - Synthesis of organic aliphatic acids : en
  • PL22226B1 - Hardening agent for steel or similar alloys. : en pl
  • SU45057A1 - Safety device when milling machine : en ru
  • CH180991A - Firing device for automatic weapons. : en fr
  • CA354380A - Suction cleaner : en fr
  • CA354420A - Electric storage cooker : en fr
  • SU44976A1 - Wagon for unwinding and reeling electric field cable : en ru
  • USRE19766E - Liquid fuel burner ignition : en
  • SU44942A1 - Clamping device for the lower cable of the funicular cable : en ru
  • FR790975A - Improvements to machines for manufacturing continuous sheets with granular coating : en fr
  • US2021888A - Electric discharge apparatus : en
  • US2022587A - Process of decorating molded resin ware and product thereof : en
  • AT143586B - Pilgrim roller caliber. : de en
  • CH181053A - Cylinder lubrication device on two-stroke internal combustion engines with pistons rotating in opposite directions. : de en
  • CH181129A - Device for closing a receptacle comprising a non-removable cap. : en fr
  • ES139564A1 - Improvements in the methods to reproduce the matrices for phonograph records. : en es
  • GR5539B - AUTO EXTINGUISHING CIGARETTE. : el en
  • US2021902A - Cellulose mixed and higher ester compositions containing trialkyl phosphates : en
  • US2022340A - Brake testing machine : en
  • US2022172A - Fall board structure : en
  • DE622557C - Device for uniform cooling and hardening of the inner and outer surfaces of pipes : de en
  • SU45059A1 - Screw clamp for joining a stack of planks using toothed brackets : en ru
  • US2022435A - Brake : en
  • US2022640A - Apparatus for forming and ornamenting tubing : en
  • BE412026A - Improvements to electromagnetically controlled switches, particularly contactors : en fr
  • CA354374A - Truss : en fr
  • AT143783B - Fountain pen. : de en
  • CH181071A - Vibration damper for suspended conductors. : en fr
  • CH180890A - Method and apparatus for sorting fertilized chicken and other poultry eggs. : de en
  • PL22253B1 - The screw does not loosen by itself. : en pl
  • US2021971A - Refrigeration system : en
  • SU45014A1 - A method of manufacturing a composition for bonding carbon and graphite electrodes for electric furnaces : en ru
  • US2022010A - Paper pulp testing device : en
  • USD97600S - Design fob a jab : en
  • CH181172A - Device for drying wood and similar items to be dried. : de en
  • DE622522C - Electrical contact material that contains one or more carbides in addition to one or more lower melting and softer metals : de en
  • FR790670A - Improvements to broadcast receivers : en fr
  • FR790985A - Fireplace vault nose : en fr
  • AT143750B - Hot cathode tube with an indirectly heated flat cathode. : de en
  • USD97591S - Design for a textile fabric : en
  • DE622454C - Mechanically driven double press for the execution of drawing work and similar work processes : de en
  • ES4178U - A calendar for sports competitions (Machine-translation by Google Translate, not legally binding) : en es
  • ES4229U - Heating clamp for permanent undulations. (Machine-translation by Google Translate, not legally binding) : en es
  • DE622575C - Detachable connection of timber framework : de en
  • DE622545C - Vehicle driven by an internal combustion engine, in particular a rail vehicle, with mechanical power transmission to the drive axles : de en
  • DE1355320U - : de en
  • AT143643B - Process for the production of hydraulic building materials as a mortar and concrete base. : de en
  • AT143794B - Circuit arrangement for connection transmissions in telegraph systems. : de en
  • US2022560A - Bag for the protection of clothes : en
  • DE622544C - Device for parallel guidance of a working table or dividing head of a knife star dough dividing and forming machine that can be moved in a horizontal plane : de en
  • SU44919A1 - Method for removing cinders from pyrite furnaces : en ru
  • GB439081A - Improvements relating to the encasing of electric condensers : en
  • CH180948A - Machine for cleaning grain. : de en
  • AT143645B - Method and apparatus for mixing rubber. : de en
  • FR790834A - Process for electrolytic separation of shiny metallic deposits : en fr
  • US2022576A - Rubber tractor lug : en
  • FR790611A - Directory for telephone numbers, or others : en fr
  • US2021969A - Tank valve : en
  • US2021984A - Coin collector : en
  • USD97593S - Design for a shoe : en
  • DE622565C - Device to relieve the coil heads in runners of large electrical machines : de en
  • GB439028A - Improvements in or relating to electric snap switches : en
  • ES139786A1 - A mechanism for the actuation of the needle and the oscillating thread guide of the sewing machines. : en es
  • FR790889A - Improvements made in the establishment of weighing devices : en fr
  • AT143554B - Automatic tensioning device for drive chains, belts, etc. like : de en
  • GB438856A - Improvements in and relating to hydraulic control systems : en
  • ES3667Y - A toy. : en es
  • SU45008A1 - The method of obtaining a silver raster of cesium photocell : en ru
  • US2021905A - Railway crossing : en
  • US2022494A - Process of preparing mono and di-glycerides : en
  • PL22284B3 - A method of processing soybeans, seeds or grains of cereals, containing oils or fats, into foodstuffs or fodder, and an apparatus for carrying out the method. : en pl
  • US2021896A - Process for differentially leaching ores to separate lead and other metals from zinc sulphide : en
  • AT143682B - Motor vehicle equipped with wheels and tracks. : de en
  • US2022306A - Balance : en
  • US2022379A - Apparatus for winding thread : en
  • US2022549A - Bushing puller : en
  • DE622307C - Folder register in which the folder backs are divided into fields in which markings that stand out against the surroundings are arranged : de en
  • DE622453C - Electric roller with built-in motor and gear train for rolling mills : de en
  • GB438935A - Improvements in safety razors : en
  • GB438984A - Improvements relating to book-form savings banks : en
  • US2022057A - Apparatus for testing brakes : en
  • GB438884A - Improvements in and relating to decorative panels or the like : en
  • DE622568C - Device for nursing with a device for insulation against heat or cold : de en
  • DK50935C - Reaction backrest for bicycle saddles. : da en
  • FR790678A - Coffee or teapot : en fr
  • FR790759A - Device for achieving fuel savings in the carburetors of internal combustion engines : en fr
  • CA354450A - Match splint blank manufacture : en fr
  • DE622456C - Arrangement to prevent interference and the like Like. When receiving frequency-modulated vibrations : de en
  • DK50955C - Combustion engine with Ignition at the Compression Heat and with a Combustion Chamber, which is located in the Cylinder cover conaxial with the Cylinder. : da en
  • ES4202U - Shirt provided with crossed placket (Machine-translation by Google Translate, not legally binding) : en es
  • GB439035A - Improvements in or relating to clocks : en
  • DK50954C - For Central Heating Systems, Element Double Furnace or Element Boiler System for Waste Incineration. : da en
  • GB438846A - Improvements in or relating to centrifugal fan rotors : en
  • AT143790B - Arrangement to compensate for temperature fluctuations in the excitation winding of the generators of diesel-electric vehicles. : de en
  • CH180923A - Auxiliary table top. : en fr
  • SU44927A1 - The method of obtaining ethyl acetate "betta" phenylethyl alcohol or its derivatives : en ru
  • SU45025A1 - The method of obtaining glue from scraps of chrome tanned leather : en ru
  • GB438807A - Insulation of high tension conductors in electrical precipitators : en
  • GB438847A - Process and device for de-burring, smoothing and knurling buttons and similar articles pressed from synthetic substances : en
  • US2022567A - Endless track : en
  • FR790751A - Multiple flap valve for all gases and liquids at low or high pressure, and with rapid, progressive and effortless opening : en fr
  • SU44890A1 - Cutter saw : en ru
  • SU44947A1 - Device for a quick initial pressure boost in the brake cylinder (strike) in the active air brakes : en ru
  • ES4179U - Bracelet or chain bracelet. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790717A - Pouring lid for cans and other receptacles, and receptacles provided with said lid : en fr
  • FR790722A - Cleaning product : en fr
  • GB439056A - Improvements in the synthesis of phenol : en
  • PL22320B1 - A method of tight production and firm closure of vessels with a strainer. : en pl
  • US2022004A - Paper sizing : en
  • US2022246A - Spray composition : en
  • AT143630B - Method and machine for spinning and post-treating artificial silk. : de en
  • CA354466A - Adhesively coated sheet material : en fr
  • CH181164A - Process for the production of a new azo dye. : de en
  • PL22338B1 - Trolley for the feed grate of member boilers for central heating. : en pl
  • PL22331B1 - Crank press. : en pl
  • SU45108A1 - Method for determining fat content in creams and other fat-rich liquid dairy products : en ru
  • US2022279A - Production of olefines and liquid hydrocarbons from methane : en
  • ES138714A1 - A procedure for obtaining a botafuego of direct inflammation. : en es
  • ES139633A2 - IMPROVEMENTS IN THE FILTERS OF THE DEVICES TO PROTECT BREATH AGAINST AEROSOLS, OBJECT OF THE PATENT OF INVENTION : en es
  • ES2798Y - Visible file. : en es
  • ES4181U - A new heater for permanent wave devices (Machine-translation by Google Translate, not legally binding) : en es
  • SU44910A1 - A method of making a catalyst for obtaining ethyl acetate from ethyl alcohol : en ru
  • SU45179A1 - Glass lapping machine : en ru
  • FR790732A - Rangefinder : en fr
  • FR790902A - : fr
  • GB438791A - Improvements in and relating to moving coil voltage regulators : en
  • SU45151A1 - Valve for bypassing liquids or gases under pressure : en ru
  • SU45022A1 - The method of analysis of indaniline obtained from carbazole and n-nitrosophenol : en ru
  • SU45117A1 - Device for counting small items : en ru
  • SU45067A1 - A method of manufacturing ebony grinding wheels : en ru
  • SU45205A1 - Seal : en ru
  • FR790949A - Progressive reduction gearbox : en fr
  • DE622323C - Device for strength tests at low temperatures : de en
  • DE622340C - Cushions for pressure-sensitive items : de en
  • FR790738A - Fountain pen holder called interchangeable capsule stylograph : en fr
  • FR790821A - Device for the automatic actuation of grippers or grapples : en fr
  • ES4212U - A new type of reinforced hinge (Machine-translation by Google Translate, not legally binding) : en es
  • ES4218U - Metal closure for bottles (Machine-translation by Google Translate, not legally binding) : en es
  • FR790823A - Compensation method and device for constant weighing balance : en fr
  • FR790734A - Improvements to the stripes : en fr
  • GB438987A - Variable speed power transmission mechanism : en
  • ES139514A1 - A process of preparing artificial dispersions of gum, gutta-percha or similar materials. : en es
  • US2022094A - Two-cycle engine control : en
  • US2022005A - Lubricating apparatus : en
  • US2022642A - Suction generating system : en
  • USRE19765E - Badioreceiveb : en
  • ES139739A1 - Improvements in the tensile mechanisms of tens for cash registers, calculating machines and the like. : en es
  • FR790917A - Multiple carrier frequency transmission system incorporating echo plugs : en fr
  • DE622499C - Carburetors for internal combustion engines : de en
  • USD97592S - Design fob a planting bar : en
  • GB438941A - A process for the manufacture of multi-coloured patterned articles : en
  • US2022021A - Cleaning tool : en
  • US2022189A - Pipe thread protector : en
  • DE622547C - Tinning process for copper wire : de en
  • ES139745A3 - An airtight packaging procedure for preserves. : en es
  • FR790771A - Improvements in the treatment of filaments, yarns, ribbons and the like of artificial materials : en fr
  • GB439237A - Improved method for the production of porous silica gel : en
  • ES139608A1 - Procedure for obtaining metallic sodium. : en es
  • FR790669A - Process for stabilizing vinyl resins and resulting products : en fr
  • FR790769A - High pressure steam discharge tube : en fr
  • US2022322A - Coated absorbent materials and apparatus for producing the same : en
  • US2022343A - Pouring means for canisters : en
  • US2022467A - Process of making soluble coffee and product : en
  • US2022597A - Shoemaker's last : en
  • ES139217A1 - An improved process for manufacturing fabrics and garments made of said fabrics. : en es
  • PL22218B1 - A device for measuring liquids. : en pl
  • ES139762A3 - Vulcanization procedure for inner tubes for vehicle tires. : en es
  • FR790754A - Motion transmission for recording measuring devices : en fr
  • FR790810A - Improvements in devices for drawing tapes in combing machines and other similar machines used in the preparation of textile fibers with a view to their spinning : en fr
  • GB439147A - Improvements in and relating to self-inductance coils : en
  • ES139766A1 - Improvements in the manufacture of food products based on milk and cocoa. : en es
  • FR790770A - Reversible rotary motor, pressurized fluid : en fr
  • ES139787A1 - A new system of spindles for continuous spinning, twisting and similar machines. : en es
  • CA354459A - Last centering device : en fr
  • SU45215A1 - Carbon storage tank : en ru
  • CA354432A - Stable chocolat syrup : en fr
  • ES139730A1 - A process for manufacturing a photosensitive layer. : en es
  • PL22209B1 - Kl.-re-TT-E A truss bridge with tubular rods. : en pl
  • SU44960A1 - Apparatus for reducing interference with reception of wireless telegraph stations : en ru
  • SU45167A1 - Method of displacing one shot by another : en ru
  • FR790801A - Process for removing stress cracks in aluminum and magnesium alloys : en fr
  • GB439048A - Improvements in or relating to electron emitting cathodes : en
  • GB439110A - Improvements in, or relating to, electrical couplings of the pin-and-socket type : en
  • ES139634A3 - A procedure for the manufacture of sanitary napkins with raschel machines. : en es
  • ES4185U - Bicycle tire (Machine-translation by Google Translate, not legally binding) : en es
  • FR790663A - Incandescent cathode for discharge vessels : en fr
  • FR790869A - Improvements to vehicles with auxiliary side wheels : en fr
  • GB438811A - Improvements in processes for obtaining motor spirit and lubricating oils from rubber, gutta percha and similar materials : en
  • US2022639A - Reflecting device for highways : en
  • USD97613S - Design for a shoe or similar article : en
  • US2022171A - Apparatus for fusing metals : en
  • US2022177A - Cup : en
  • PL22289B1 - A device for attaching, tensioning or adjusting the length of cords, strings or ropes. : en pl
  • SU45155A1 - Lunette : en ru
  • US2022299A - Tailor's chalk sharpener : en
  • SU45225A1 - Barrel Opening Device : en ru
  • PL22241B1 - Breathing apparatus. : en pl
  • PL22271B1 - Method of securing the ends of the pipes in the holes of the plates. : en pl
  • DE622344C - Three-phase transformer with five-legged core : de en
  • US2021901A - Cellulosic composition of matter containing an alkyl phosphate : en
  • ES139615A3 - Rubber block cutting machine. : en es
  • ES139626A1 - Procedure for the manufacture of espadrilles. : en es
  • FR790835A - Connection device for correspondent sets in automatic telephone systems with selector switches : en fr
  • FR790967A - Roller snap-in for freewheel hubs : en fr
  • GB438957A - Improvements in felt hat body planking machines : en
  • AT143562B - Fresh storage container. : de en
  • CA354361A - Circuit breaker : en fr
  • CH180921A - Device for holding napkins. : de en
  • FR790989A - Method and device for homogenizing powder mixtures : en fr
  • FR790995A - False shirt collar : en fr
  • ES139795A1 - Hydraulic stabilizing device for steering mechanisms. : en es
  • FR790668A - Process for the oxidation of ammonia, and catalyst which can be used in this process : en fr
  • ES139736A1 - A procedure to obtain salts with the help of permutation substances of bases. : en es
  • SU45038A1 - Machine for pulling the bristles from the skins : en ru
  • FR790774A - Quantitative gyroscopic on-board instrument : en fr
  • PL22248B1 - Telephone system. : en pl
  • US2022358A - Process for refining mineral oil : en
  • USD97595S - Design for a drinking glass : en
  • CA354443A - Convertible garment : en fr
  • DE622519C - Protection device for three-phase networks : de en
  • ES4207U - Figures cut out of cardboard and similar materials. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790822A - Autonomous lighting devices using very high pressure compressed gases : en fr
  • GB439002A - Improved method of casting deoxidized copper : en
  • GB438926A - Improvements relating to filing cabinets : en
  • DE622535C - Control system : de en
  • FR790839A - Ceramic insulating material and its application to the manufacture of electron tube caps : en fr
  • ES3681Y - Large production kitchens. : en es
  • GB438970A - Improvements in and relating to cabinet beds : en
  • PL22306B1 - Shortest wave cathode ray tube. : en pl
  • US2021970A - Fruit and vegetable peeler : en
  • US2021991A - Apparatus for the treatment of pigments : en
  • US2022410A - Textile process : en
  • DE622418C - Automatic scale : de en
  • DE622462C - Surge arrester with spark gap and series-connected damping resistor : de en
  • ES4122U - Aerodynamic battle car convertible in endless tread and in motor vehicle (Machine-translation by Google Translate, not legally binding) : en es
  • FR790979A - Vacuum cleaner for vehicles moving in either direction : en fr
  • FR790662A - Process for the precise molding of matrices for artificial teeth or parts thereof : en fr
  • SU44957A1 - Method of making microphone membranes : en ru
  • US2022243A - Azo dye : en
  • US2022397A - Method of attaching a metal letter to a bracelet link or the like : en
  • USD97639S - Design for a bottle : en
  • FR790996A - Food product and process for its manufacture : en fr
  • GB439011A - Improved hair lotion : en
  • GB439120A - Improvements in and relating to conveyors for conveying tin, steel or other plates from the feed rolls to the delivery rolls in cold rolling : en
  • ES3702Y - Breast holder : en es
  • GB438883A - New or improved form of carbon black : en
  • SU45030A1 - Method and apparatus for the preparation of rosin soap : en ru
  • DE622506C - Process for the extrusion of solid or hollow profiles : de en
  • GB438996A - Improvements relating to methods of separating platinum metals from mattes : en
  • US2022588A - Method of and apparatus for cleaning coal : en
  • SU45119A1 - Value storage box : en ru
  • US2022255A - Building construction : en
  • SU44997A1 - Device for reading the meter readings : en ru
  • SU44998A1 - The method of removing the pulse characteristics of discharge gaps by the comparison method : en ru
  • AT143694B - Adjustment device for Bowden cables, in particular for the brakes of bicycles and motorcycles. : de en
  • US2022159A - Lever shaft construction : en
  • US2022186A - Tractor-trailer system : en
  • CH180917A - Cleaning rags for wooden floors and linoleum. : de en
  • ES139619A1 - A combustion engine with fuel injection, with combustion chamber separated from the piston chamber and with automatic ignition. : en es
  • ES139788A1 - Patent to protect metal pipes from the destructive action of corrosive liquids and those that carry suspended solids, which circulate through them. : en es
  • ES4232U - New bandage (Machine-translation by Google Translate, not legally binding) : en es
  • GB438954A - Improvements in monogrammic signs for advertising and other purposes : en
  • FR790926A - Railroad tie : en fr
  • FR790873A - Non-detonating fuel : en fr
  • GB438911A - A new or improved portable sleeping hut : en
  • DE622504C - Rolling mill with several work rolls and support rolls : de en
  • ES139613A1 - A procedure for the manufacture of elements for the formation of parquets. : en es
  • FR790727A - Improvements in the manufacture of canned foods and resulting products : en fr
  • US2021959A - Composer printing machine : en
  • US2022152A - Combination cooker : en
  • ES139655A3 - An improved system of rifle that works by compressed air, which is armed by means of a lever and equipped with a projectile magazine. : en es
  • FR790887A - Transformer coupling for television amplifiers : en fr
  • GR5541B - PTERODETIC MACHINE. : el en
  • GB439139A - Device for applying liquid adhesive to paper and similar materials : en
  • GB438944A - Improvements in or relating to coffee or tea boiling appliances : en
  • GB439018A - Improvements in apparatus for drying webs of fabric : en
  • FR790931A - Improvements to universal joints : en fr
  • FR790938A - Hand tilting trolley used to transport all models of pedestal tables, in use in cafes, restaurants, bars, brasseries : en fr
  • GB438942A - Improvements in apparatus for cooling and ventilating buildings : en
  • FR790698A - Control switch : en fr
  • AT143600B - Safety razor with a separate, connectable blade magazine. : de en
  • DE622471C - Process for the production of halogenation products of rubber and similar substances : de en
  • CA354412A - Isobutylene polymer production : en fr
  • US2021894A - Device for attaching printing members on drums : en
  • CA354393A - Electric valve circuit : en fr
  • CH181050A - Process for lubricating and sealing the moving parts of internal combustion engines that seal off the combustion chamber. : de en
  • US2022007A - Overload cutout for stoker motors : en
  • FR790697A - Device for fuel injection in internal combustion engines : en fr
  • GB438930A - Improvements in stuffing box packings : en
  • GB439076A - Improvements in or relating to liquid spraying devices : en
  • SU45028A1 - Naphthalene bleaching method : en ru
  • GB439020A - Improvement in cough-drop and process of making it : en
  • FR790824A - Improvements to television systems : en fr
  • US2022505A - Transmission of sound and pictures : en
  • AT143652B - Method and device for the production of rubber threads. : de en
  • US2022147A - Material handling mechanism : en
  • ES139581A1 - A procedure for manufacturing flexible hoses. : en es
  • AT143561B - Distributor for mixture supply in multi-cylinder internal combustion engines. : de en
  • AT143736B - Brassiere. : de en
  • SU45090A1 - Libra : en ru
  • US2022201A - Apparatus for cleaning bottles : en
  • FR790811A - Process for the preparation of a watering product against plant diseases : en fr
  • GB438925A - Improvements in and relating to warp stop-motions for looms : en
  • DE612637C - Device for measuring the temperature of the surface layer of calender rolls : de en
  • GB439030A - Improvements in spring contacts for electrical fittings specially applicable to fuse fittings : en
  • FR790872A - Heat treatment process for aluminum and magnesium alloys : en fr
  • FR790829A - Process for splitting high boiling point hydrocarbons into more volatile hydrocarbons : en fr
  • ES137374A3 - A method of manufacturing metal staples for sewing and splicing transmission belts. : en es
  • FR790992A - Method for increasing the storage stability of calcium cyanamide : en fr
  • DE622420C - Liquid manure distributor with centrifugal wheel : de en
  • DE622423C - Device for peeling and polishing all kinds of kernels and legumes : de en
  • DE622536C - Thermal expansion compensation of invar terms in temperature controllers : de en
  • GB438790A - Improved method of and apparatus for producing hollow metal articles of cylindrical form : en
  • US2021999A - Air propeller : en
  • ES139599A1 - Procedure for obtaining a calcium aluminate suitable for the preparation of sodium aluminate by extraction with a sodium carbonate solution. : en es
  • GB439127A - Improved mechanism for operating sliding windows and shutters : en
  • USD97655S - Design fob a textile fabric : en
  • AT143642B - Process for the preparation of 1-phenyl-2-aminopropanolen- (1) hydroxylated in the phenyl radical. : de en
  • CA354342A - Garment hanger : en fr
  • CA354394A - Electrical discharge device : en fr
  • DE622294C - Process for the preparation of a water purifying agent containing alumina, iron and phosphoric acid : de en
  • CA354440A - Railway brake head and shoe : en fr
  • DE622281C - Central support bearing for heavy rotating discs : de en
  • DE622549C - Device for gluing folding box top or bottom parts with a special protruding part : de en
  • FR790842A - Mechanical device for selective control of the brush-holder crowns of three-phase shunt-type commutator motors to adjust the speed of straight knitted looms : en fr
  • SU45077A1 - Method for determining the compass deviation by steel parts : en ru
  • US2022422A - Xregistering b bank : en
  • US2022406A - Protective device in amplifier circuit : en
  • US2022083A - Nursing bottle : en
  • AT143610B - Electric soldering iron with resistance heating and built-in thermostats. : de en
  • CH181019A - Centering device for workpieces to be machined on machine tools, in particular punch milling machines. : de en
  • SU44932A1 - The method of producing allylamide salicylic acid : en ru
  • SU44889A1 - Electric drill corner : en ru
  • SU45045A1 - Machine for the regeneration of molding materials : en ru
  • SU45126A1 - Method of fertilizing soil structure : en ru
  • FR790838A - Reversible brake adjuster : en fr
  • GB439176A - Improvements in or relating to apparatus for improving the action and control of steam current used for producing under-pressure in the smoke chamber of a locomotive : en
  • ES139733A1 - A device or splitter of nuts, hazelnuts, almonds and similar fruits. : en es
  • US2022513A - Oil burning apparatus : en
  • AT143627B - Process for the production of hard metal alloys. : de en
  • CH180935A - Sliver compactor on drafting systems. : de en
  • SU45194A1 - Adaptation to the outlet of the torsion boat to stop power when the thread breaks : en ru
  • CA354343A - Tape-measure : en fr
  • FR790604A - Temperature regulating device for gas treatment devices in the presence of contact materials : en fr
  • GB439051A - Spectacles : en
  • DE622460C - Heavy-duty fuse with fluid movement : de en
  • CA354400A - Loom mechanism : en fr
  • CH180951A - Process for the production of a rice-like product from wheat. : de en
  • AT143638B - Sponge rubber composite structures and processes for their manufacture. : de en
  • CH180980A - Device for fixing and soaking photographic papers. : de en
  • DE622343C - Circuit arrangement for monitoring the operational readiness of remote-controlled amplifiers : de en
  • ES139352A1 - A chronometric switch. : en es
  • ES139714A1 - Improvements in the construction of machines for the molding of cookies or similar pastes. : en es
  • FR790857A - Improvements to devices for assembling scaffolding elements or the like : en fr
  • SU44938A1 - Device for continuous direct reduction of metal from pulverized ores by gases : en ru
  • SU45183A1 - Swinging Castle : en ru
  • US2022564A - Apparatus for removing fiber from seed cotton : en
  • USD97606S - Design for a jewelry stone setting : en
  • AT143707B - Hopper firing. : de en
  • DE622502C - Connection of the steering knuckle carrier with the frame of motor vehicles : de en
  • ES139669A1 - Lock with automatic lock. : en es
  • CH181156A - Process for the production of a new textile auxiliary. : de en
  • US2022356A - Multiple nut cracking machine : en
  • US2022133A - Air conditioning system : en
  • US2022337A - Automobile tire rim : en
  • FR790686A - Device for adapting a notepad to telephone devices : en fr
  • FR790848A - Improvements to wheels with attached flanges and fitted with pneumatic tires : en fr
  • AT143624B - Process for the production of shaped pieces which contain waste or powder of mica mixed with glass flux. : de en
  • US2022273A - Self-opening die-head : en
  • US2022525A - Reenforced hose coupling construction : en
  • US2022627A - Educational device : en
  • US2022629A - Liquid dispensing apparatus : en
  • CH180978A - Process for making reflex copies. : de en
  • CH181035A - Mechanical transmission device. : en fr
  • US2022523A - Air conditioning apparatus : en
  • CH180966A - Method for bonding materials. : de en
  • CH181096A - Device for determining the average daily food requirement depending on the size and age of the person concerned. : de en
  • US2022066A - Gas burner : en
  • US2022125A - Beading for tire covers and method of applying same : en
  • ES3665Y - Wire mesh strainer, perforation plate or cloth. : en es
  • AT143717B - Ash drawer for stoves, stoves, etc. like : de en
  • AT143668B - Sounding toy made from an inflatable hollow body. : de en
  • CH181157A - Process for the production of a new textile auxiliary. : de en
  • AT143597B - Drawing device. : de en
  • BE411781A - : en
  • ES139365A1 - Improvements in the fastening mechanisms. : en es
  • GB439100A - Improvements in or relating to carbon sheet holders for typewriting machines : en
  • CH181101A - Process for the preparation of acylated dihydrofollicle hormone. : de en
  • FR790817A - Improvements made to electromagnetic controls, in particular those for controlling the diaphragm of fuel pumps : en fr
  • US2022163A - Ophthalmic mounting : en
  • PL22335B3 - A device for automatic determination of shot elements when shooting at moving targets in the air or on the ground. : en pl
  • US2022166A - Tank unloader for harvesters : en
  • US2022546A - Power hammer : en
  • CH181078A - Arc extinguishing device based on the expansion principle. : de en
  • CH181091A - Burner head for a device for removing crusts of all kinds on heating surfaces of steam boilers, boilers and the like. : de en
  • SU44959A1 - The method of obtaining electromagnetic waves : en ru
  • CA354382A - Suction cleaner : en fr
  • CA354353A - Drain valve : en fr
  • CH180996A - Procedure for operating radio beacons. : de en
  • AT143740B - Device for processing pipes made of asbestos cement. : de en
  • CH181003A - Reversible watch. : en fr
  • CH181004A - Chronograph timepiece. : en fr
  • US2021954A - Traffic signal : en
  • PL22321B1 - Method for the production of l-ascorbic acid. : en pl
  • USD97631S - Design for a radiocabinet : en
  • USD97638S - Design for a shoe or similar article : en
  • CH181051A - Fuel injection pump for internal combustion engines. : de en
  • AT143747B - Indirectly heated discharge tube with hot cathode. : de en
  • CH181171A - Direct current generator with shunt excitation, for controllable short circuit current strength, especially for welding purposes. : de en
  • AT143757B - Electrolytic capacitor. : de en
  • US2022267A - Protective device for casinghead drips : en
  • CA354413A - Isobutylene polymerization product : en fr
  • CH181077A - Mercury switch. : de en
  • GB439172A - Improvements in or relating to apparatus for playing games or for instructional purposes : en
  • CA354433A - Welding method : en fr
  • CH181070A - Electric machine with device for protecting the winding heads against dust, in particular motor for hand grinders. : de en
  • DE622332C - Valve switch automat : de en
  • DE622361C - Accent writing device for typewriters : de en
  • PL22240B1 - Explosive cartridge. : en pl
  • US2022198A - Printing machine : en
  • SU44911A1 - Binding Machine : en ru
  • SU45242A1 - Exhaust machine for spinning machines : en ru
  • US2022158A - Hose grip : en
  • US2022195A - Printing device : en
  • FR790737A - New aromatic bases and their use in the production of azo dyes : en fr
  • FR790941A - Improvements to sheet glass drawing apparatus : en fr
  • SU44966A1 - Variable capacitor : en ru
  • SU44985A1 - Device for synchronous motion transmission : en ru
  • US2022566A - Fruit basket : en
  • ES139587A3 - Procedure for the manufacture of tires. : en es
  • AT143592B - Electric soldering iron. : de en
  • AT143800B - Device for drawing conic lines. : de en
  • AT143723B - Device for stapling carbonless sheets u. like : de en
  • CH180984A - Device for forming a couchette sledge using two skis. : de en
  • DE622489C - Door lock equipped with at least one cylinder lock for different pin weights : de en
  • CH180907A - Electric heat generator. : en fr
  • GB438905A - Improvements in or relating to television, picture telegraphy and the like systems : en
  • FR790836A - Half comparison element for measuring the electro-motive forces of galvanic chains : en fr
  • GB439014A - Improvements in or relating to modulated carrier wave systems : en
  • AT143612B - Process for the production of hollow or filled valve bodies. : de en
  • AT143701B - Loose wheel set for rail vehicles. : de en
  • FR790965A - Plant for the treatment of salt water : en fr
  • GB439101A - Improvements in vehicle bogie construction : en
  • FR790971A - Improvements to tank furnaces and processes for the manufacture of glass : en fr
  • ES139731A3 - Improvements in the manufacture of pistons or plungers for internal combustion engines. : en es
  • CA354344A - Train heating system : en fr
  • CH181107A - Closed circuit breathing apparatus. : en fr
  • ES139760A3 - Method of manufacturing variously shaped rubber strips, respectively, seamless rubber tubes. : en es
  • CA354421A - Kitchen utility device : en fr
  • SU44980A1 - Electric switch : en ru
  • AT143729B - Recovery method and device. : de en
  • CH181038A - Winch with automatic stop device. : en fr
  • CH181048A - Magneto ignition. : en fr
  • US2022421A - Automobile body protector : en
  • GB438949A - Improvements in or relating to arc welding systems : en
  • US2022063A - Milk can : en
  • US2022590A - Building block : en
  • GB438800A - Method and apparatus for the manufacture of golf ball cores : en
  • GB439179A - Improvements in or relating to telegraphones and like magnetic recording devices : en
  • CA354395A - Transformer : en fr
  • FR790667A - Tap : en fr
  • DE622273C - Endless electrical power transmission element with particularly snug, large contact areas : de en
  • DE622367C - Locking device for turntables, sliding platforms and. like : de en
  • PL22329B1 - Airplane with a vertical lift without sliding. : en pl
  • USRE19768E - Photocell compensating system : en
  • US2021927A - Sodium nitrate : en
  • CH181147A - Automatic coupling for vehicles in general. : en fr
  • AT143614B - Device for expressing all types of wet towels. : de en
  • FR790804A - Process for the production of saccharates : en fr
  • DE622326C - Erase device for counters of calculating machines, adding machines, etc. like : de en
  • DK50951C - Light dynamo for Bicycles. : da en
  • US2022151A - Grater : en
  • US2022154A - Machine and method for making piston rings : en
  • FR790920A - Wire drawing machine : en fr
  • GB438950A - Improvements in or relating to electrolytic condensers : en
  • CH180903A - Rail fastening on cross sleepers. : de en
  • US2022192A - Forged steel roll and method of production : en
  • US2022415A - Humidifier : en
  • US2022474A - Truss : en
  • DK50931C - Contact mechanism for wrapper clamp heaters. : da en
  • GB438923A - Improvements in or relating to the utilisation of cool gases in connection with the manufacture of artificial filaments : en
  • GB438966A - Oil feed-rod having feed-blades in the shape of the segments of a ring, for lubricating axle-bearings : en
  • GB439052A - Improvements in or relating to traffic control signals : en
  • CH180906A - Hot water supply system with indirect heating of the tap water in a pipe system. : de en
  • US2022097A - Recording galvanometer : en
  • US2022429A - Non-blistering roofing and method of preparing same : en
  • SU44894A1 - Mining harvester : en ru
  • US2021914A - Refrigerator latch : en
  • US2022355A - Discriminating clamp actuating mechanism : en
  • SU45202A1 - Device for raising and maintaining logs : en ru
  • ES139700A1 - Liquid measuring and dispensing apparatus, especially lubricating oils. : en es
  • ES2964Y - Dropper bottle. : en es
  • US2021955A - Hot fluid gun : en
  • US2022493A - Processes of preparing glycerides : en
  • FR790730A - Headlight support device with tilt and tilt control for motor vehicles and other applications : en fr
  • ES3660Y - Elastic buckle for men's suits and the like. : en es
  • FR790898A - Method and apparatus for processing strip materials : en fr
  • GB439084A - Improvements in or relating to processes for finishing and softening cellulose hydrate films, foils and the like : en
  • ES139664A1 - An improved process for the recovery of sulfur dioxide contained in gas mixtures. : en es
  • GB439065A - Improvements in or relating to tins, canisters and like metal containers : en
  • US2021890A - Nose pad for eyeglasses and method of making same : en
  • US2022324A - Tank vehicle for transporting fluids : en
  • US2022447A - Radio apparatus : en
  • ES139630A1 - Truck or two-wheeled cart for the carriage of artillery material, especially light and mountain artillery and, in general, all kinds of two-wheeled vehicles. : en es
  • CH181006A - Machine for pinning hinges, for example watch case hinges. : en fr
  • SU45064A1 - The method of correction of the aqueous dispersion of rubber : en ru
  • US2022411A - Manufacture of artificial filaments, threads, films, fabrics, and the like : en
  • US2022233A - Co-amide resin and process of making same : en
  • US2022068A - Radioreceiver : en
  • SU45055A1 - Device for installation in wood pipes of instruments for processing their butt joints : en ru
  • US2021936A - Removal of so2 from flue gases : en
  • US2022460A - Heating device regulator : en
  • USD97609S - Design for a shoe : en
  • SU45035A1 - Device for supplying fuel to the furnace of a locomotive : en ru
  • US2022294A - Nonrefillable bottle : en
  • ES139743A1 - Procedure for the manufacture of a liquid cream for bleaching and beauty of the skin and hands. : en es
  • US2022289A - Tool holder : en
  • US2022409A - Twine dispenser : en
  • FR790750A - Device for recovering heat from gas or other stoves : en fr
  • GB438803A - Improvements in the manufacture of magnetic dust cores : en
  • GB439164A - Improved amplifiers for television : en
  • ES3643Y - Scooter imitating skis. : en es
  • SU44996A1 - Signal vibration frequency meter : en ru
  • SU45098A1 - Stereoscope for measuring parallax on aerial photographs : en ru
  • ES139278A1 - Improvements in the procedure with its corresponding device for molding the channels, conduits or similar. : en es
  • US2022030A - Signaling system : en
  • US2022175A - Instrument panel : en
  • GB438816A - Improvements relating to a protective treatment of metals and alloys : en
  • DE622369C - Process for the production of wood oil thick oil : de en
  • FR790694A - Compressed air closing device for machines for sanding metal parts with dry sand : en fr
  • ES139693A3 - Treatment to obtain hydrochloric, nitric or carbonic acids, and alternatively alkali sulfates and alumina. : en es
  • FR790676A - Forced transverse ventilation process particularly applicable to vehicles : en fr
  • FR790843A - Hermetic tipping bin for household waste disposal : en fr
  • GB438975A - Improvements in or relating to chains : en
  • GB438801A - Improvements in or relating to apparatus for copying films : en
  • US2022354A - Seeding attachment for disk harrows : en
  • GB438901A - Improvements relating to presses for use in testing materials : en
  • USD97597S - Design fob a drinking glass : en
  • FR790709A - Improvements to the bodies of vehicles used for the transport of refuse or other materials : en fr
  • ES138537A1 - A method with its device to increase the industrial performance of the explosion engines with reduced fuel consumption and total elimination of exhaust noise. : en es
  • DE622339C - Incendiary bullet : de en
  • FR790744A - Regulator for electric heaters : en fr
  • FR790788A - Device for lifting and fixing threshing machines, straw balers and the like : en fr
  • IE13949L - Treatment of artificial threads foils, etc : en
  • ES139963A3 - TREATMENT FOR THE OBTAINING OF HYDROCHLORIC, NITRIC OR CARBONIC ACID, AND, SUBSIDIARILY, OF ALKALINE SULPHATES AND ALUMIN : en es
  • ES3717Y - A T-shirt for gas incandescence, circular contour : en es
  • US2022626A - Coupling : en
  • ES139148A1 - A new procedure for the manufacture of seals, brands for packaging, imprentillas and rubber brands. : en es
  • FR790652A - Slide rule : en fr
  • GB439155A - Improvements in rotary pumps : en
  • FR790681A - Metal frame window : en fr
  • FR790736A - Lacquers, varnishes, enamels and products based on these lacquers, varnishes, enamels : en fr
  • GB439112A - Improvements in or relating to artificial lighting : en
  • GB438947A - Improvements in pneumatic fender tool : en
  • US2022095A - Synchronizing device : en
  • US2022511A - Damper regulator : en
  • ES139627A1 - A process for manufacturing paints, enamels or varnishes, in powder, which by simple further dissolution in appropriate solvent, can be used immediately. : en es
  • FR790671A - Device for seeing objects using infrared rays emitted by these objects : en fr
  • GB438805A - Improvements in or relating to the production of photographic diazotype prints : en
  • GB439143A - Improvements in or relating to furnace walls, furnace-gas baffle plates and the like : en
  • USD97614S - Design for a ventilator casing : en
  • PL22280B1 - A method of absorbing nitrogen oxides from gases containing these oxides and oxygen, possibly with simultaneous production of ammonium salts. : en pl
  • SU44956A1 - Device for turning on the photocell : en ru
  • US2022084A - Arc striking control : en
  • US2022266A - Liquid discharge device for closed tanks : en
  • US2022173A - Heat transfer apparatus : en
  • US2022487A - Apparatus for use in observing moving objects such as the web of a multicolor or other printing machine : en
  • FR790893A - Improvements to socket wrenches for nuts : en fr
  • GB439123A - Improvements in brakes : en
  • ES4225U - Canvas guardamano. (Machine-translation by Google Translate, not legally binding) : en es
  • ES139719A1 - Procedure for armoring objects and concrete and similar constructions. : en es
  • FR790705A - Method and device for evaporating liquids : en fr
  • SU45180A1 - Tool for feeding grinding material and grinding machines for glass stoppers : en ru
  • DE622355C - Process for printing textile fabrics with Kuepen and sulfur dyes : de en
  • DE622546C - Process for the production of a fuel or fuel oil from coal tar : de en
  • AT143795B - Circuit arrangement for telex switching systems. : de en
  • ES4091U - Combined letter-envelope. (Machine-translation by Google Translate, not legally binding) : en es
  • DE622314C - Artificial leg for thigh amputees : de en
  • ES4222U - Pocket pay-pay. (Machine-translation by Google Translate, not legally binding) : en es
  • GB438834A - Improvements in or relating to jig dyeing or like fabric treating processes : en
  • DE622296C - Process for the preparation of sulfonation products : de en
  • DK50958C - Method of Preparing Sweets. : da en
  • SU44978A1 - Electric mercury switch : en ru
  • SU45110A1 - Folding device for natural hay drying, etc. : en ru
  • GB439125A - Electric operation of lift doors : en
  • US2022316A - Metallic inlay decoration for spectacle cases : en
  • SU45235A1 - Brownian vision tube : en ru
  • ES139574A1 - Permanent magnet system, especially brake magnets system for electric meters. : en es
  • US2022219A - Electric lamp : en
  • US2021962A - Dishwashing machine : en
  • US2022234A - Surgical and like needle and its manufacture : en
  • AT143705B - Gas pistol. : de en
  • DE622121C - Electrolytic decomposer : de en
  • ES138979A1 - Tilting device. : en es
  • US2022188A - Apparatus for controlling combustion mechanisms : en
  • US2022476A - Flying machine : en
  • PL22223B1 - Automatic device for feeding a machine for closing silent bottles with caps. : en pl
  • GB438971A - An improved air-operated automotive vehicle : en
  • FR790657A - Device for permanent or permanent waving : en fr
  • SU44903A1 - Adaptation to the press to obtain rolling fiski, forming a knife blade : en ru
  • US2022155A - Combination plug and switch : en
  • US2022377A - Machine for uniting knit fabrics : en
  • ES139256A1 - Procedure for obtaining photographs on films with previous focus by direct vision of the projected image. : en es
  • US2022466A - Apparatus for use in the cutting of laminated glass : en
  • USD97612S - Design for a lamp : en
  • FR790690A - Improvements in the means used to regulate the supply of a hot liquid into a container for the supply of molten metal, extrusion or extrusion presses and other applications : en fr
  • ES3651Y - Chopper, mash press, grater or similar apparatus. : en es
  • FR790856A - Improvements to devices for assembling scaffolding elements or the like : en fr
  • SU45041A1 - The method of cooking rod (shyshelnoy) mass : en ru
  • DE622543C - Water column machine with reciprocating pistons arranged axially one behind the other : de en
  • GB439077A - Improvements in or relating to mechanical interlocking devices, particularly for electric switches and contactors : en
  • SU44969A1 - Method of making positive electrodes for electroplated elements with air depolarization : en ru
  • SU44989A1 - Device for preventing over-current relay protection during oscillations : en ru
  • ES4184U - Device of unión of the strips of the shirts to the false collars that ride on those. (Machine-translation by Google Translate, not legally binding) : en es
  • ES4194U - A saltcellar container (Machine-translation by Google Translate, not legally binding) : en es
  • FR790674A - Process for the preparation of iodinated ethanolamine derivatives : en fr
  • FR790723A - Improvements to multiple dial clocks : en fr
  • FR790907A - Pile of steel or reinforced concrete : en fr
  • ES4191U - A bunch of confectionery bananas (Machine-translation by Google Translate, not legally binding) : en es
  • FR790767A - Improvements in the manufacture of hard metals from powders of hard substances and auxiliary metals used as binders : en fr
  • DE622539C - Triggering device for an automatic fire extinguishing and fire alarm system : de en
  • SU45099A1 - Protective glasses : en ru
  • SU45043A1 - Method of using sulphite-cellulose liquor as a binder for rods : en ru
  • DE622388C - Circular knife with several knife discs for cutting rags, paper, wool or the like. : de en
  • DE622513C - Circuit to regulate the gain of a pipe : de en
  • ES139629A1 - An automatic refining machine. : en es
  • GB438857A - Improvements relating to the working or shaping of metal sections : en
  • ES4226U - Pad or "sachet" to curl or curl the hair. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790968A - Coil clutch device receiving phonogram supports in electromagnetic speaking machines : en fr
  • US2022507A - Poultice : en
  • US2022595A - Battery protector : en
  • FR790780A - Electrical safety installation for railway level crossings : en fr
  • SU45163A1 - A method of making thin paper of the type Japanese of ramie, kendyr kuva, kozu, gampi, mitsumat and the like plants : en ru
  • US2022291A - Shaft mounting : en
  • US2022518A - Electric heater : en
  • US2022150A - Method of and apparatus for treating ballast : en
  • CA354442A - Oscillation amplifying arrangement : en fr
  • CH181057A - Magneto. : de en
  • AU2017234A - Improvements in bearing metal alloys : en
  • CH181039A - Rotary compressor with a cylindrical rotor mounted on both sides in a housing with a cylindrical bore eccentrically to the cylinder axis. : de en
  • DE622303C - Polishing spindle : de en
  • GB438914A - Improvements in or relating to smoker's ash and like receptacles : en
  • US2021891A - Double receiver tube for ultra short waves : en
  • US2022528A - Apparatus for sintering refractory material : en
  • US2022561A - Combined garden and lawn tool : en
  • CA354445A - Wall coping : en fr
  • CH181137A - Device for sealing the seal between the upright and the leaf of a door. : en fr
  • SU45049A1 - Device for cleaning liquid metal : en ru
  • CH180941A - Auxiliary apparatus for sewing machines for making carpets, blankets, fringes and the like. : de en
  • AT143583B - Method for introducing luminescent substances into electrical discharge vessels. : de en
  • AT143594B - Device for measuring and / or keeping the torque exerted on rotating deep drilling rigs. : de en
  • AT143675B - Ashtray. : de en
  • SU44991A1 - Panel shield for fuses : en ru
  • SU45145A1 - Cap valve for high pressure tanks : en ru
  • US2022584A - Mobile spraying machine : en
  • US2022592A - Tire cover and hub closure : en
  • PL22279B1 - Rotary kiln for firing cement or similar materials. : en pl
  • BE412050A - REFRIGERATED CABINET : en fr
  • US2022600A - Basket liner : en
  • CH180911A - Spray pipe for connection to a water pipe. : de en
  • CH181145A - Seat post for bicycles with a device for attaching a trailer. : de en
  • US2022064A - Opaque material : en
  • US2022113A - Sliver conveying apparatus : en
  • US2022161A - Acoustic tile : en
  • US2022359A - Control apparatus for railway switches : en
  • US2022391A - Method of making a textile fabric : en
  • CH180915A - Device serving as a buffer and hold-open device for door and window sashes. : de en
  • CA354419A - Pulverizing mill : en fr
  • AT143684B - Floor brake. : de en
  • CA354354A - Headwear : en fr
  • CH181110A - Display work on cash registers. : de en
  • AT143574B - Electric discharge tube. : de en
  • AT143716B - Closure for all kinds of containers. : de en
  • DE622429C - Four-wheel brake for motor vehicles : de en
  • SU44936A1 - Feces processing method : en ru
  • US2021930A - Process for the production of xanthates : en
  • US2022468A - Flat knitting machine : en
  • CA354463A - Chemical heating composition : en fr
  • CH181105A - Curling iron. : de en
  • CH181174A - Electrical connector. : de en
  • SU44940A1 - Method of Annealing or Normalizing Steel : en ru
  • ES139573A1 - Procedure for the concentration of minerals. : en es
  • US2022082A - Die for two-roll corrugating machines : en
  • US2022259A - Solvent extraction of petroleum distillates : en
  • US2022344A - Automobile body construction : en
  • AT143558B - Lubrication pump. : de en
  • AT143568B - Measuring device for direct measurement of the power factor and indirect watt measurement. : de en
  • BE411707A - : en
  • DE622337C - Tread for tires : de en
  • ES139504A1 - Arrangement for introducing a pressurized medium into moving parts of machines of various kinds. : en es
  • GB438825A - Improvements in hydraulic transmissions : en
  • GB439287A - Improvements in or relating to the production of potassium sulphate : en
  • AT143798B - Double basins for washing purposes. : de en
  • CA354469A - Electro-optical transmission system : en fr
  • CH180910A - Manufacturing process for refractory magnesium products. : en fr
  • US2022336A - Self cleaning screen : en
  • CA354438A - Drum weir : en fr
  • CH180982A - Process for the production of writing chalk with high break resistance. : de en
  • ES139059A1 - A procedure for the decoration of all kinds of fabrics and fabrics. : en es
  • ES3663Y - Perfected cardboard box. : en es
  • ES139632A3 - A procedure for the manufacture of reinforced metal tubes. : en es
  • US2022041A - Wheel : en
  • US2022091A - Leader straightener : en
  • US2022092A - Track shunting apparatus : en
  • US2022634A - Halogenated diphenyl oxide : en
  • SU45004A1 - Electrolytic capacitor : en ru
  • US2022262A - Stain removal : en
  • US2022418A - Method of making beginning courses for knitted webs : en
  • US2022547A - Masonry weatherproofing composition : en
  • AU1949634A - Improvements in or relating to operating circuits for photoelectric tubes : en
  • ES139569A3 - A mechanical procedure for wrapping candy with folded and glued wrappers. : en es
  • FR790937A - Lighting body for electric light sources : en fr
  • AT143776B - Electric discharge tube. : de en
  • ES139681A1 - Heating system by hot air. : en es
  • ES139687A1 - Improvements introduced in the manufacture of protective masks against asphyxiating gases. : en es
  • AT143704B - Method and device for space heating. : de en
  • CH180987A - Construction kit. : de en
  • CH181067A - Device for the power supply to multi-layer brushes of electrical machines. : de en
  • SU44934A1 - The method of obtaining organosilicon chlorine-containing compounds : en ru
  • CH180918A - Fluff. : de en
  • DE622372C - Powder preparation : de en
  • SU45193A1 - Attachment for tensioning endless straps of exhaust devices on a bank of pins and similar spinning machines : en ru
  • SU45217A1 - Automatic chlorinator for chlorination of water in open water : en ru
  • US2022060A - Acoustic device : en
  • US2022554A - Shoe : en
  • USD97601S - Design fob an air propeller for : en
  • AU3102163A - Mastectomy form : en
  • AT143690B - Sheet piles made from Z profiles. : de en
  • CH181177A - Procedure for starting diesel locomotives with direct drive. : de en
  • AT143768B - Overlay Telephony System. : de en
  • BE411535A - Improvements to powder fuels. : en fr
  • CA354379A - Barbituric acid compound : en fr
  • CH180900A - Device for evacuating garbage, waste, etc. : en fr
  • CH181080A - Installation circuit breaker with manual and free release. : de en
  • CA354367A - Bucket conveyer : en fr
  • AT143781B - Knitwear and method and knitting machine for their manufacture. : de en
  • AT143754B - Electric discharge tube with a cathode and one or more grids. : de en
  • CH180953A - Resilient filter body. : de en
  • CA354444A - Salt dissolving apparatus : en fr
  • FR790846A - Improvements to fabrics, paper, leather and similar materials : en fr
  • FR790903A - Control mechanism for back pressure : en fr
  • US2022378A - Metal digester having a corrosion resistant metal lining : en
  • DE622569C - Permanent hair waving device : de en
  • US2021926A - Treatment of waxes : en
  • US2022056A - Ship and ship construction : en
  • US2022583A - Regulating valve for refrigerating systems : en
  • SU45082A1 - Device for reading the meter readings : en ru
  • IE13989L - Moulding artificial resins : en
  • SU45071A1 - The method of obtaining lead bronze by pressing powder : en ru
  • GB439174A - Receptacle for toilet articles, especially for bathing purposes : en
  • CA354427A - Statistical machine : en fr
  • FR790904A - Improvement in the processes and devices for the electrical recognition of land intersected by a borehole : en fr
  • SU45105A1 - Pressure Testing Device : en ru
  • US2021895A - Crusher : en
  • US2022245A - Mono-n-alkanol derivative of aromatic di-amines and poly-amines : en
  • US2022331A - Lacquer : en
  • US2022643A - Booster pump for windshield cleaner systems : en
  • ES4223U - Armchair with oscillating backrest. (Machine-translation by Google Translate, not legally binding) : en es
  • AT143634B - Process for the production of sulfuric acid esters. : de en
  • ES4195U - New meshes for defense of curves and road straights (Machine-translation by Google Translate, not legally binding) : en es
  • GB438799A - Combined volume control and switch unit : en
  • GB438820A - Process for the manufacture of ª‰-bromethylbenzene : en
  • GB438871A - Improvements in and relating to inverter systems : en
  • SU44930A1 - The method of producing alicyclic anhydrides : en ru
  • US2022408A - Metal weather strip : en
  • ES139769A1 - A perfection introduced in the airplanes provided with a mouth of automatic fire. : en es
  • GB438990A - Improvements in and relating to ophthalmoscopes and other like instruments : en
  • CA354356A - Spectacles : en fr
  • CH180981A - Image carriers, in particular for taking moist images from medical x-ray images. : de en
  • SU44972A1 - Method for producing cadmium oxide hydrate : en ru
  • SU45181A1 - Method of making vulcanite bond grinding wheels : en ru
  • DE622419C - Hydraulic weighing device in which the load acts on several individual scales : de en
  • GB438921A - Improvements in or relating to mechanism for producing intermittent motion : en
  • FR790849A - Improvements in the manufacture of textiles and other materials : en fr
  • GB439136A - Improvements in or relating to tiles or slabs applicable for covering or protecting underground cables and the like : en
  • CH181140A - Pressure medium brake. : de en
  • GB439161A - Improvements in and relating to electric plug-in couplings : en
  • CH181169A - Process for making reflex copies. : de en
  • GB438842A - Improvements in or relating to the manufacture of plywood or plywood articles : en
  • GB439026A - Arrangements for transmitting broadcast messages by means of high frequency currents in telephone exchange networks : en
  • GB439092A - Improvements in bottle cap removers : en
  • SU45078A1 - Electromagnetic theodolite to determine the elements of the earth's magnetic field : en ru
  • US2021961A - Method of treating tacky material : en
  • US2022416A - Clip : en
  • US2021958A - Machine for operating upon shoe parts : en
  • US2022552A - Ball mill : en
  • US2022586A - Quick-trip dry pipe valve : en
  • CH181056A - Carburetor-elevator. : en fr
  • DE622403C - Process for desulphurising viscose rayon : de en
  • US2022076A - Fabrication of nut blanks : en
  • US2022318A - Table slide : en
  • US2022502A - Motor control system : en
  • US2022520A - Bottle : en
  • US2022578A - Quick reading viscosimeter : en
  • SU45166A1 - Method of displacing one shot by another : en ru
  • US2022368A - Ironing machine : en
  • US2022032A - Brake : en
  • US2022237A - Hair drier : en
  • US2022398A - Greenhouse bench and method of making same : en
  • FR790921A - Contact device between moving parts and fixed parts applicable to adjustment resistors and voltage dividers, particularly for t devices. s. f. : en fr
  • AU2240735A - Adjustment buckle structure : en
  • PL22269B1 - A device for consolidating the coal inside the coking chambers and the method of condensing the coal using this device. : en pl
  • US2021889A - Television receiver : en
  • DE622274C - Process for the production of sulfur dyes : de en
  • CH181176A - Process for the preparation of a derivative of 5,5-phenylethylhydantoin. : de en
  • FR790630A - Homodyne receiver : en fr
  • FR790896A - Manicure instrument : en fr
  • ES139561A2 - AN IMPROVEMENT IN THE CONSTRUCTION OF BATTERIES OR ELECTRIC BATTERIES FOR POCKET LAMPS : en es
  • ES139689A1 - PROCEDURE FOR OBTAINING NON-SATURATED PREGNODIOMES : en es
  • FR790603A - Improvements to fuses : en fr
  • FR790726A - Method and apparatus for processing cartons : en fr
  • FR790832A - Device for fault finding in low voltage overhead power lines : en fr
  • US2022077A - Pneumatic dispatch apparatus : en
  • ES139568A3 - A mechanical procedure for wrapping twisted wrappers. : en es
  • ES139585A1 - A toy carabiner. : en es
  • FR790768A - Electric discharge tube : en fr
  • GB438918A - Improvements in apparatus for filling golf ball cores or centres : en
  • GB439061A - An improved storage rack for textile bobbins and other articles : en
  • ES139702A1 - Procedure for obtaining oxyethone C19H30O2, with activity of the sex gland hormones. : en es
  • FR790610A - Conduct : en fr
  • FR790787A - Hydrocarbon treatment process : en fr
  • FR790899A - Rubber preparing machine : en fr
  • PL22290B1 - Air-cooled, shielded spark plug for internal combustion engines. : en pl
  • SU45113A1 - Tutorial for the exercise in solving navigational problems in a classroom setting : en ru
  • GB438992A - Improvements in and relating to alternators : en
  • GB439001A - Ball bearing : en
  • GB439039A - Improvements in or relating to cutter mechanisms for the webs of printing presses : en
  • GR5532B - ABSORPTION PROVISION FOR PROTECTIVE PERSON AGAINST GASES. : el en
  • ES139588A1 - Improvements provided to the sliding bolts for two-door doors. : en es
  • ES4198U - Brooch for leagues. (Machine-translation by Google Translate, not legally binding) : en es
  • DE622424C - Sealing for the crushing cone bearing of a cone crusher : de en
  • DE622469C - Replaceable filter for coffee brewers : de en
  • ES139430A1 - Transportable cannon. : en es
  • FR790742A - High frequency gaussmeters and ammeters : en fr
  • FR790925A - Oscillation generator assembly : en fr
  • GB438974A - Improvements relating to baths : en
  • FR790853A - Method of dewaxing oils by centrifugation, using heavy solvents : en fr
  • FR790913A - Mechanism for moving objects along elongated paths, particularly applicable to moving billboards of changing advertising devices : en fr
  • ES139779A1 - Improvements in the regulators of draft for chimneys and analogues. : en es
  • FR790606A - Improvements in telegraphones and other similar recording devices : en fr
  • FR790719A - Sheet feed device for rotary duplicators and the like : en fr
  • GB439008A - A sheet flasher for taking photographs : en
  • ES139690A3 - A gear change, especially for bicycles and the like. : en es
  • GB439072A - Improvements in the construction of open fire grates : en
  • GB438792A - Improvements in or relating to the construction of seats, mattresses and the like : en
  • AT143590B - Support arm for a table that can be swiveled out of a bedside table or the like. : de en
  • SU45219A1 - Handloom : en ru
  • ES3722Y - New rail for the pulleys or crabs that are used in the sliding doors. : en es
  • FR790962A - Microphone overtaking indicator device for vehicles : en fr
  • DK50953C - For liquid fuels, such as petroleum, specific cookers that can also act as heaters. : da en
  • SU45048A1 - Method for preventing seizure of iron buckets : en ru
  • SU45168A1 - A device for numbering photographic prints : en ru
  • US2022601A - Basket liner : en
  • US2021968A - Electric massage apparatus : en
  • ES139589A1 - A process for the preparation of compounds intended to improve the performance in beverages called coffee. : en es
  • AT143728B - Roll film camera for the use of two different film formats or types of film. : de en
  • CH180901A - Process for making piles with a widened base molded into the ground. : en fr
  • DE622509C - Method and device for coloring the stamp when stamping porcelain, earthenware and. like : de en
  • DK50941C - Automatic hydraulic gear mechanism. : da en
  • DE617501C - Freewheel hub with back pedal brake : de en
  • DE622349C - Reflex camera : de en
  • AT143559B - Screw locking. : de en
  • GB438924A - Improvements in or relating to boilers for heating water : en
  • AT143706B - Low pressure or hot water boiler. : de en
  • PL22297B1 - Electric bulb zarowa. : en pl
  • AT143743B - Ring mechanism. : de en
  • CA354373A - Game playing board : en fr
  • FR790888A - Presentation device for textile thread spools : en fr
  • GB439023A - Improvements relating to centrifugal pumps, and more particularly to the priming thereof : en
  • FR790758A - Tube for wire winding : en fr
  • GB438968A - Improvements in or relating to internally sprung wheels for aircraft : en
  • GR5531B - METHOD FOR THE quarantine U. bleaching oils, fats (GLYKERITHION) AND FATTY ACIDS TAKING during any EX oilseed oils, AMORGISKAI EC oil portions downstream SKIN wrist (PETITS Barts) having OIANDIPOTEOX .. : el en
  • GR5533B - METHOD OR PROVISION FOR THE PROTECTION OF ELECTRODIONS OF CONTINUOUS OPERATION. : el en
  • AT143639B - Process for obtaining an adenosine phosphoric acid. : de en
  • CH180932A - Process for degumming raw vegetable materials suitable for providing textile fibers. : en it
  • ES139648A3 - Procedure for heating or cooling an exchange and installation surface for the implementation of this procedure. : en es
  • FR790602A - Tight-closing removable electric accumulator : en fr
  • GB439068A - Improvements in ventilators : en
  • GB439107A - Optical device for obtaining a narrowly limited luminous surface : en
  • GB439115A - Improvements in or relating to the production of printing plates : en
  • CH181065A - Non-toxic protective agent against the corrosion of accumulator and battery terminals. : de en
  • AT143780B - Car spinner with at least two drive motors. : de en
  • CH180972A - Envelope with opening device for letters, files and the like. : de en
  • DE622190C - Roll film camera : de en
  • CH181055A - Fuel injection device in compressorless internal combustion engines. : de en
  • GB438802A - Manufacture of artificial masses : en
  • GB439149A - Improvement in phonographs : en
  • DE622306C - Process for the production of solid preparations from 3-nitrobenzene-1-diazonium sulfate : de en
  • FR790621A - Improvements to roof windows : en fr
  • FR790916A - Process for manufacturing hydrogen peroxide by means of electric discharges : en fr
  • US2022459A - High frequency electrical circuit arrangement : en
  • FR790642A - Improvements to exhibition cards for sale of various objects : en fr
  • FR790924A - Device for preparing acetylene gas for internal combustion engines, welding installations, etc., the water being introduced into the container filled with carbide and closed on the outside : en fr
  • CA354375A - Paper container sealing apparatus : en fr
  • CH180963A - Process for the production of a vat dye. : de en
  • FR790707A - Improvement in armor mechanics and jacquard mechanics : en fr
  • FR790892A - Improvements to internal combustion engines of the liquid fuel injection and compression ignition type : en fr
  • CH180949A - Pastry dough cutter. : de en
  • CH181023A - Sharpening disc. : en fr
  • CH181152A - Thread tensioner for winding and similar textile machines. : de en
  • PL22217B1 - The method of producing water-resistant binders and the method of their use in the construction of road surfaces. : en pl
  • US2022111A - Engine mounting : en
  • SU45091A1 - Pickup : en ru
  • SU45093A1 - Device for reducing sound reverberation when using a loudspeaker : en ru
  • US2022297A - Convertible cultivating and ditching element for cultivating machines : en
  • AT143692B - Connection of the transverse springs or links that form the front axle, one above the other, with the steering pin holders by means of hinge pins, especially for motor vehicles. : de en
  • CH180938A - Loom with chain tension regulator. : de en
  • CH181159A - Process for the preparation of a new heterocyclic sulfonic acid. : de en
  • CH181075A - Gas pressure switch. : de en
  • SU44983A1 - Device for locking the oil switch : en ru
  • US2022342A - Pouring means for canisters : en
  • US2022540A - Apparatus for cutting stencil cards from type plates : en
  • CH181015A - Welding rod and process for its manufacture. : en fr
  • CH181095A - Process for introducing luminescent substances into electrical discharge vessels. : de en
  • AT143708B - Large-scale energy storage. : de en
  • US2022238A - Table : en
  • BE411992A - : en fr
  • CH181008A - Light alloy, hard, tenacious, shiny like steel and stainless. : en fr
  • GB439121A - Improvements in or relating to television and the like scanning systems : en
  • DE622455C - Method and device for gas-tight connection of gas suction pipes in the coal charging of retorts and chamber furnaces : de en
  • DE622528C - Process for the separation of metals with a lower electropotential than hydrogen from metal salt solutions : de en
  • SU45211A1 - Log Feeder : en ru
  • SU45147A1 - Gland for rotating shafts : en ru
  • CH181123A - Calendar. : de en
  • SU45150A1 - Valve : en ru
  • US2022275A - Device for indicating the position of ships : en
  • AT143720B - Container made of paper, cardboard or the like. : de en
  • AT143679B - Connection for the wooden parts of curved or round bodies, such as boats, barges, pontoons or the like. : de en
  • AT143598B - Backless chair with a folding seat board and a wash bowl in an intermediate cover. : de en
  • CA354405A - Illuminating lamp : en fr
  • SU45085A1 - Device for measuring the amount of liquid, gas or vapor flowing through a pipeline : en ru
  • SU44923A1 - The method of processing containing barite uranium ores : en ru
  • AT143673B - Harrow. : de en
  • US2021937A - Apparatus for removing so2 from flue gases : en
  • US2022123A - Beaded tire cover : en
  • US2022423A - Motor vehicle : en
  • AT143666B - Process for stabilizing aqueous bitumen emulsions. : de en
  • CH180940A - Seam, especially for connecting two pieces of fabric. : de en
  • US2022116A - Warm air furnace : en
  • US2022135A - Crusher : en
  • CH180939A - Snail for loom shuttle. : en fr
  • ES139584A1 - A machine to apply coating to footwear plants. : en es
  • ES139617A1 - A process for obtaining bleaches with a high concentration of active chlorine. : en es
  • GB438823A - Improvements relating to jacquard machines : en
  • AT143745B - Closure device for the mixing drum of mixers for concrete u. like : de en
  • ES3795Y - Dust collection device released by mechanical rotary hammers when they are working. : en es
  • FR790850A - Multi-pedal unit for door control : en fr
  • FR790983A - Improvements to crimping or waving fibrous textile materials : en fr
  • GB438851A - Manufacture of artificial sponges : en
  • CA354390A - Spring seat : en fr
  • SU45234A1 - Optoelectronic system for Brown tube : en ru
  • SU45239A1 - Gas Light Electric Lamp : en ru
  • US2022383A - Cellulose derivative composition : en
  • AT143581B - Cleaning and regulating device for gasification burners. : de en
  • AT143570B - Vacuum discharge tube. : de en
  • CA354423A - Extrusion die : en fr
  • PL22224B1 - A method for producing sulfur from gases and an apparatus for carrying out the method. : en pl
  • AT143628B - Process for the prevention of discoloration during tanning with tanning solutions which contain tannin or tannin-like tannins and iron as an impurity. : de en
  • AT143564B - Fuel pump regulator for injection internal combustion engines with flow rate and speed change. : de en
  • AT143573B - Electric discharge tube with hot cathode and gas filling. : de en
  • US2021904A - Auxiliary means for governing the fashioning mechanism of flat knitting machines : en
  • CH181017A - Device for the production of seamless tubes. : de en
  • CH181068A - Magnetic body. : de en
  • CA354470A - Bottle cap package : en fr
  • US2022425A - Wrapping machine : en
  • SU45010A1 - Farnsworth type electronic multiplier : en ru
  • US2022375A - Transportation of automobiles : en
  • US2022389A - Resin and coating or plastic composition containing the same : en
  • US2022477A - Output regulator : en
  • PL22304B1 - Cathode lamp. : en pl
  • US2022137A - Armor piercing projectile, including a method of increasing its piercing power : en
  • DK50959C - Procedure for Separation of Dispersed Particles. : da en
  • ES139641A3 - Improvement in the greasers of the railway material, metropolitans and trams. : en es
  • FR790755A - Eye protection visor : en fr
  • GB439075A - Improvements in power-operated gear shifting mechanism : en
  • DK50956C - Non-reflective Store Window or Display Cabinet. : da en
  • CH181099A - Metal particle mixture for the production of an amalgam which is particularly suitable for dental fillings. : de en
  • US2022114A - Centrifugal drying machine : en
  • CA354370A - Electric current rectifier : en fr
  • AT143672B - Ski edge protection. : de en
  • AT143779B - Device for raising and lowering the upper feed rollers of gang saws. : de en
  • CA354350A - Animal trap : en fr
  • PL22298B1 - Electric bulb for mine lanterns. : en pl
  • USD97624S - Design fob a lamp base ob : en
  • DE622442C - Knee-shaped lead pipe produced in a pressing process : de en
  • US2021965A - Tire cover : en
  • CH180964A - Process for the production of an indigoid vat dye. : de en
  • BE411910A - : en
  • CA354381A - Suction cleaner : en fr
  • CH181021A - Process of artificial aging of wood. : en fr
  • GB438999A - Improvements in and relating to pile drivers : en
  • GB439104A - Improvements in lecher-wire systems : en
  • SU45068A1 - The method of manufacturing plastic : en ru
  • US2022543A - Portable combined automatic phonograph and radio : en
  • US2022572A - Winding machine : en
  • US2022015A - Window assembly for an automotive vehicle : en
  • US2022469A - Refrigerating apparatus : en
  • PL22286B1 - A method of washing a toilet bowl and a device for carrying out the method. : en pl
  • US2022390A - Rotating toy : en
  • USD97645S - Design for a hand bag : en
  • AT143778B - Woodworking machine, in particular planing machine. : de en
  • AT143791B - Cantilever armature magnet system. : de en
  • SU45143A1 - Wood pipe connection : en ru
  • FR790628A - Process intended to create a breathable atmosphere allowing animal life by regeneration of stale air : en fr
  • FR790864A - Dishwasher : en fr
  • FR790905A - Wing finder for motor vehicles : en fr
  • CA354384A - Magnesium production : en fr
  • PL22204B1 - Method of cracking hydrocarbon oils. : en pl
  • US2021912A - Electrical junction box and connection therefor : en
  • US2022253A - Draft gear for railway vehicles : en
  • ES139583A2 - IMPROVEMENTS IN THE APPROPRIATE MEANS TO WORK FOOTWEAR PARTS, OBJECT OF THE MAIN PATENT : en es
  • GB439134A - Apparatus for use in fishing : en
  • US2021946A - Tension device for hand knitting and crocheting : en
  • US2021995A - Heat exchanger : en
  • US2022227A - Lighter construction : en
  • DE622301C - Process for the accelerated restoration of cultivated soil after weeds have been killed by chlorate : de en
  • ES4176U - A new heavy oil burner (Machine-translation by Google Translate, not legally binding) : en es
  • SU45073A1 - Device for measuring small linear dimensions : en ru
  • ES139610A3 - A magneto with ignition distributor for internal combustion engines. : en es
  • ES139759A3 - Improvements in the manufacture of metal cages. : en es
  • FR790658A - Process for the production of a pure alumina hydrate : en fr
  • GB439085A - Improvements in or relating to dressings for wounds and the like : en
  • DE622563C - Overload protection device for electrical machines and apparatus : de en
  • ES4228U - Support for packaged or free fuels. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439042A - Improvements in connection with gas cookers : en
  • DE622525C - Process for the production of paints, films and plastics : de en
  • GB439151A - Improvements in differential pressure gauge tubes : en
  • FR790645A - Process for the production of metal molds, more particularly from original sound recording dies : en fr
  • FR790653A - Anti-slip crampon for sports shoes, especially football shoes : en fr
  • DE622217C - Process for producing luminous screens with an elastic, pore-free base layer by pouring on a suspension of luminous substance : de en
  • SU45047A1 - Tool for producing steel ingots with reduced shrinkage shells : en ru
  • US2021953A - Cementing apparatus : en
  • US2022607A - Tree container : en
  • DK50942C - Valve closure for Metal Container Cover. : da en
  • ES139603A3 - An improved process for the manufacture of stretch fabrics. : en es
  • ES139578A1 - Hexagon drive mechanism on looms. : en es
  • FR790813A - Process for the cold rolling of sections intended to present, at different points in their section, different hardnesses and strengths : en fr
  • DE622463C - Carbon brush, especially for small electric motors, which is removed from the collector after a certain amount of wear : de en
  • DE622552C - Method and device for cleaning wort while it is being cooled : de en
  • CH181047A - Device for improving the combustion of fuels in gasoline engines by mixing the fuels with water. : de en
  • CH181161A - Process for the preparation of a new heterocyclic sulfonic acid. : de en
  • PL22278B1 - Method for treating sodium or sulphate cellulose. : en pl
  • GB438981A - Improvements in destination indicator mechanism : en
  • US2022585A - Separating process : en
  • FR790703A - Rail fastening method : en fr
  • DE622578C - Process for the manufacture of rubber conversion products : de en
  • DE622290C - Molding device : de en
  • FR790879A - Hydraulic cylinder or press : en fr
  • GB438895A - Improvements in or relating to vapour electric converters : en
  • GB438943A - Measuring, cutting and wrapping device : en
  • AT143603B - Furniture, in particular tubular steel chairs. : de en
  • DE622341C - Device for noiseless emptying of wash basins, sinks, bathtubs, etc. Like. With a shut-off device connected to the control device of the drain valve body behind the basin overflow opening : de en
  • FR790781A - New process for attaching labels to bars, plates or cakes of cake and similar materials and labels for the application of the process : en fr
  • GB438972A - Improvements in and relating to wireless and like receivers : en
  • FR790739A - Electrical device operating by approaching a driver, without contact, and controlling all control systems, alarms, advertising, signaling, etc. : en fr
  • US2022093A - Process for the recovery of nonsugars from saccharine materials : en
  • FR790741A - Device for the control and selection of coins or tokens : en fr
  • ES139591A3 - A procedure for the rapid drying of mushrooms, peaches, pears, aubergines, apricots, apples, tomatoes, peppers, figs and the vegetables that make up the soups called Julien. : en es
  • ES139712A1 - Improvements in the construction of torches or welders for current and autogenous welding and for heating workpieces. : en es
  • GB439096A - Improvements in or relating to gripping tools such as wrenches, vices and the like : en
  • ES139621A1 - Perfections related to the permanent waving of the hair. : en es
  • FR790944A - Sound device that can be used as a warning device and as a toy : en fr
  • GB438912A - Improvements in or relating to the storage of eggs : en
  • GB438939A - Improvements in safety razors : en
  • DE622354C - Yarn carrier for dyeing stretch yarn : de en
  • DE622559C - Circuit for glow cathode tubes with a magnetic coil arranged within the vacuum space : de en
  • SU44929A1 - Method for preparing 4-hydroxy-3-ethoxy-benzaldehyde : en ru
  • USD97633S - Design fob a radiocabinet : en
  • PL22307B1 - The method of producing opal briquettes from carbonaceous material. : en pl
  • SU44982A1 - Device for blocking disconnectors : en ru
  • GB438555A - Improvements in and relating to the treatment of vulcanised rubber : en
  • DE622440C - Storage system with several good containers : de en
  • FR790622A - Aeration and defense station against toxic gases : en fr
  • FR790851A - Process for the thermal transformation of hydrocarbons into precious products : en fr
  • ES4235U - Epilator. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790745A - Automatic warning eyebolt for all kinds of closures : en fr
  • GB438967A - Improvements in or relating to spring seats : en
  • DE622379C - Device for the exact central clamping of shafts between tips : de en
  • GB438840A - Improvements in and relating to casings for construction of concrete walls and the like : en
  • GB438862A - Improvements in reciprocating or turbine internal combustion engines : en
  • DE611763C - Relieved steam inflow valve : de en
  • DE622304C - Device for pinching shoe tips by means of adhesive : de en
  • US2022047A - Figure toy : en
  • US2022165A - Method of separating and purifying hydrogen : en
  • GB439130A - Improvements in or relating to tensioning devices for electrical conducting cords or the like : en
  • GB439243A - An improved method of evacuating vessels, more particularly lamp bulbs : en
  • US2022471A - Pectous material and process of making the same : en
  • US2022326A - Apparatus for comparing color effects : en
  • PL22234B1 - Non-flammable fuse t-shirt. : en pl
  • DE622348C - Device for coupling the tie shaft of straw balers or the like with their drive : de en
  • DE622538C - Machine for sharpening rock drill bits : de en
  • PL22328B1 - Machine for the production of reinforcement inserts for ferroconcrete. : en pl
  • SU45065A1 - The method of obtaining synthetic rubber : en ru
  • US2022450A - Television system : en
  • GB439119A - Improvements in or relating to pressure lamps and stoves : en
  • SU44951A1 - Mechanically operated electric rail pedal : en ru
  • USD97599S - Design for a textile fabric : en
  • FR790942A - Manufacturing process for double warp pile fabrics with designs on the reverse sides : en fr
  • US2022309A - Machine for making paper bottles : en
  • US2022538A - Wirebound box : en
  • FR790624A - War gas protection installation : en fr
  • GB438815A - Improvements in or relating to ventilating systems for vehicles : en
  • AT143712B - Containers for storing and transporting photosensitive material. : de en
  • CH181160A - Process for the preparation of a new heterocyclic sulfonic acid. : de en
  • ES4233U - Girdle-wedge. (Machine-translation by Google Translate, not legally binding) : en es
  • US2022293A - Method of and apparatus for manipulating talking machine or phonograph records : en
  • US2022407A - Registering device : en
  • PL22275B1 - Swinging crusher. : en pl
  • ES139753A1 - A new procedure for the suppression of the so-called background noises that accompany sound recorded photographically in sound films. : en es
  • AT143604B - Method and device for electrical resistance welding. : de en
  • CH180976A - Method and device for printing in particular on containers such as tubes, cans, etc. : de en
  • ES139560A3 - An electromechanical molding procedure for brickwork. : en es
  • GB438994A - Improvements in or relating to sleeve-valve driving mechanism for internal combustion engines : en
  • PL22246B1 - The method of joining is by soldering the working structural parts of overhead ships, especially airplanes. : en pl
  • FR790625A - Gas heated ironing device : en fr
  • PL22257B1 - : en pl
  • US2022252A - Roller bearing : en
  • FR790765A - Improvement in the operation of small toy cars fitted with a mechanical, electrical or other propulsion device, and that of all vehicles, animals, etc., driven by a propulsion mechanism : en fr
  • DE622347C - Process for the production of hard metal alloys for work equipment and tools from tungsten carbide and an additional auxiliary metal : de en
  • DE622335C - Small camera : de en
  • US2022444A - Hosiery : en
  • FR790696A - Wire and small iron rolling mill : en fr
  • FR790933A - Improvements to voltage regulators for electric lighting installations of vehicles running on roads and rails : en fr
  • SU45050A1 - Gas sodium lamp : en ru
  • US2022216A - Phonograph record retaining device for record containers : en
  • US2022458A - Button : en
  • ES4216U - Fist perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790762A - temperature exchanger between two fluids : en fr
  • FR790847A - Method and apparatus for lapping bearings : en fr
  • GB438913A - Improvements in or relating to thimble-tube boilers : en
  • GB438961A - Improvements in ionic amplifier : en
  • DE622284C - Control unit for hydraulic brake systems in aircraft : de en
  • DE622577C - Process for the production of asbestos seals, in particular It panels with galvanic coating : de en
  • SU45127A1 - Machine for calibrating fruits, vegetables, etc. : en ru
  • US2022029A - Exhaust muffler : en
  • US2022264A - Lighting fixture : en
  • US2022633A - Means for applying sealing means to containers : en
  • ES3666Y - Single-sided razor. : en es
  • FR790840A - Canoe moved by human power : en fr
  • GB439090A - Improvements in or relating to desks or writing tables : en
  • ES139716A1 - An incandescent lamp or electric discharge tube. : en es
  • ES139725A1 - Safety device for elevators. : en es
  • DE622360C - Device for the direct joining of supplements with the products manufactured in a high-pressure rotary machine with multiple outputs : de en
  • IE13613L - Therapeutic preparations and cosmetics : en
  • ES4190U - An automatic matrix applicable to pitting machines olives (Machine-translation by Google Translate, not legally binding) : en es
  • FR790863A - Brake improvements : en fr
  • FR790825A - Ignition device specific to heavy oil engine with hollow vaporization member operating by sweeping its orifice with a jet of compressed air at the end of compression : en fr
  • GB439036A - Improvements in or relating to cracking coal tar oils and distillates : en
  • GB439022A - Improvements in or relating to the manufacture of wallboard : en
  • GR5540B - MOTOR POWER MULTIPLIER. : el en
  • FR790791A - Fixing device for carpets or similar woven objects : en fr
  • GB438979A - Ladder strut : en
  • FR790682A - Automatic signaling of the approach of trains at level crossings, by a light and sound device, placed on the roads near the level crossings : en fr
  • FR790783A - Improvements to electric cables : en fr
  • DE622458C - Method for suppressing the superimposed vibrations between the carrier of the transmitter to be received and that of an interfering transmitter : de en
  • GB438936A - Improvements in or relating to cushion-supporting devices, particularly for vehicle body mountings : en
  • GB439049A - Improvements in or relating to voltage measuring apparatus : en
  • DE622485C - piano : de en
  • FR790940A - Electronic discharge device : en fr
  • FR790735A - Two-stroke engine and its assembly on board flying machines : en fr
  • US2022353A - Film magazine : en
  • US2022424A - Arrangement on double twist twisting spindles : en
  • US2021996A - Preservation of green-fodder : en
  • US2022223A - Stirring molten glass in continuous tank furnaces : en
  • US2022376A - Means for transporting vehicles and the like : en
  • DE622365C - Rail joint connection by means of a two-part combined flat and foot strap : de en
  • US2022072A - Padded sample card : en
  • GB439074A - Improvements in the supply of electrical energy to loads of variable parameters : en
  • GB438789A - Improvements relating to the production of bi-metallic strip : en
  • GB439088A - A new device for indicating the advance of a drilling bit or other tool used for drilling wells : en
  • FR790988A - Process for obtaining composite glasses, light screens, etc., by using non-bursting intermediate layers formed from polymerization products : en fr
  • US2022332A - Air conditioning heating cabinet : en
  • US2022608A - Method of and apparatus for making sanitary pad shields : en
  • PL22316B1 - The method of producing briquettes. : en pl
  • ES139683A1 - Soap dispensing device. : en es
  • DE622394C - Automatic knocking machine : de en
  • FR790867A - Light signaling device for electric lighting timer : en fr
  • AT143607B - Device for welding thin sheets. : de en
  • CH181133A - Cabriolet with hinged scissor hood. : de en
  • US2022284A - Oil burner : en
  • AT143691B - Electric drive device for vehicles with swinging half axles, in particular trolley and similar vehicles. : de en
  • SU45016A1 - Electric welding press : en ru
  • SU45185A1 - Metal shoe pad : en ru
  • AT143557B - Internal combustion engine. : de en
  • PL22300B1 - Screw drive for ships, especially boats. : en pl
  • SU44900A1 - Nailing machine : en ru
  • SU45238A1 - Electric transformer : en ru
  • US2022364A - Switch cover plate : en
  • US2022606A - Brown disazo dyes : en
  • PL22222B1 - A method of producing granular activated carbon. : en pl
  • US2021924A - Refrigerating apparatus : en
  • ES4230U - Ripple or hair curler. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790953A - Shoe midsole : en fr
  • US2022156A - Art of printing : en
  • SU45222A1 - Tool for starting and stopping the loom : en ru
  • US2022442A - Valve actuating means : en
  • US2022475A - Inserting machine : en
  • AT143605B - Process for the production of high vacuum-tight metal vessels which are welded together from several parts, in particular for vacuum discharge devices, e.g. B. Mercury Vapor Rectifier. : de en
  • US2021977A - Handle for vacuum cleaners : en
  • US2022571A - Method of producing bimetallic strips : en
  • DE622288C - Bullet with multiple effects, especially for small calibers : de en
  • FR790877A - Process for the preparation of refractory products from natural products rich in magnesium orthosilicate, and in particular from olivine rocks : en fr
  • GB438965A - Process for the manufacture of condensation products : en
  • CA354418A - Magnesium production : en fr
  • SU45165A1 - Fixture for automatic opening and closing of the shutter : en ru
  • US2022098A - Wringer release and pressure control : en
  • GB438920A - Improvements in brewing process and apparatus : en
  • PL22326B1 - Termination and connectors for high voltage electric cables. : en pl
  • US2022508A - Shaving outfit : en
  • ES4224U - A sweet of quince meat combined with various fruits (Machine-translation by Google Translate, not legally binding) : en es
  • US2022046A - Brake : en
  • DE622062C - Device for X-ray examination : de en
  • SU45100A1 - A device for determining the response speed of photographic shutters : en ru
  • US2022260A - Dry spinning artificial textile fibers : en
  • FR790655A - Sheet steel beating machine frame and profile bars : en fr
  • FR790706A - Construction process by <<standard>> elements, elements for the implementation of this process, and structures thus constructed : en fr
  • DE622483C - Process for the production of ball or roller bearing rings, spring washers or the like. : de en
  • PL22308B1 - The method of producing opal briquettes from carbonaceous material. : en pl
  • US2022319A - Mystery puzzle : en
  • US2022325A - Means to brace case ladings : en
  • US2022589A - Method of treating cellulosic : en
  • ES4180U - Wheel for cars and vehicles in general with balancing devices. (Machine-translation by Google Translate, not legally binding) : en es
  • PL22332B1 - Head of a half-coupling for flexible pipes. : en pl
  • US2021947A - Making grease and moistureproof paper and similar material : en
  • US2022168A - Load handling and excavating machine : en
  • US2021987A - Recovery of values from lithium bearing ores : en
  • SU45156A1 - Revolver head : en ru
  • US2022112A - Electric furnace and method of operation : en
  • SU44906A1 - Laundry machine : en ru
  • US2022369A - Hypodermic syringe cartridge : en
  • DE622398C - Method for the extraction of driving tools hammered into a workpiece : de en
  • DE622534C - Gear for light starting machines of internal combustion engines : de en
  • GB438991A - Improvements in or relating to means for reducing the resistance to motion of material bodies : en
  • GB439168A - Manufacture of stable preparations of anaesthetic agents : en
  • CA354409A - Isobutylene polymer production : en fr
  • FR790812A - Improvements to solid fuel grates : en fr
  • USD97627S - Design for a gown : en
  • DE622302C - Luminescent screen in discharge tubes, e.g. Braunschen tubes : de en
  • US2022023A - Brake : en
  • DK50950C - Office printing press. : da en
  • FR790961A - Electric lighting device for vehicles : en fr
  • SU44953A1 - Device for combining call signs in distress alert transmitters : en ru
  • SU45123A1 - Adaptation to self-throwing headers to control the action of the rake column : en ru
  • US2022049A - Signaling apparatus : en
  • CA354417A - Dyeing process for pelts, furs, etc. : en fr
  • GB438818A - An advertising device for draught excluders for doors : en
  • CA354368A - Brassiere : en fr
  • CH181036A - Gear change transmission. : de en
  • SU44937A1 - Apparatus for accelerating cooling of masonry of a blast furnace stopped for repairs : en ru
  • PL22301B1 - Sealing piston ring. : en pl
  • PL22265B1 - Framed sponge. : en pl
  • US2022405A - Waterproofing composition : en
  • AT143699B - Tensioning and locking device for snow chains. : de en
  • BE411599A - Product imitating leather, and its manufacturing process : en fr
  • AT143726B - Self-seller for various items with a coin checker. : de en
  • CH180995A - Transmission arrangement for achieving course lines by means of two differently directed, alternately emitted high-frequency radiation. : de en
  • SU44958A1 - Relay selector : en ru
  • SU45026A1 - The method of obtaining thickened glue broth : en ru
  • AT143770B - Method and device for the cosmetic treatment of the skin. : de en
  • AT143796B - Transformer, especially for small X-ray machines. : de en
  • CH180888A - Fruit picker. : de en
  • US2022236A - Woven fabric : en
  • US2022048A - Refrigerating means : en
  • SU44917A1 - Filtration rate regulator : en ru
  • PL22327B1 - 3-4 l> bilOO A self-acting machine for making coffee or other drinks. : en pl
  • FR790775A - Arrangement for the reproduction of photographic sound recordings : en fr
  • FR790831A - Extinguishing water : en fr
  • FR790935A - Compound tubular needle for venipuncture : en fr
  • GB438788A - Improvements in or relating to hydraulic presses : en
  • DK50940C - Switching system for Number and Letter signals. : da en
  • CA354366A - Trolley wheel : en fr
  • US2022550A - Method of regenerating sodium plumbite solution : en
  • USD97618S - Design for a plaque ob similar : en
  • US2022529A - Packing gland : en
  • US2022551A - Veneering construction : en
  • SU45232A1 - Vision device : en ru
  • US2022028A - Combined bracket and guard : en
  • GB438845A - Improvements in clinching tools for belt fasteners : en
  • CH180954A - Device for cleaning two or more electrostatic precipitator electrodes suspended one behind the other in one plane. : de en
  • US2022144A - Light conditioning and distribution system : en
  • DE622570C - Foldable curtain : de en
  • CH181086A - Secondary ray diaphragm for X-ray examination and process for their manufacture. : de en
  • ES139651A1 - A procedure for obtaining quaternary ammonium combinations. : en es
  • DE622362C - Stamp arrangement for imprinting text on film strips : de en
  • US2021906A - Brassiere : en
  • US2022404A - Method for the manufacture of beryllium and alloys : en
  • SU45072A1 - Tester profile for rolling teeth : en ru
  • SU45200A1 - The method of obtaining portland cement : en ru
  • USD97653S - Design fob a semitrailer : en
  • DE618411C - Illuminated advertising system for the generation of running text and drawings consisting of individual light points : de en
  • DE622411C - Mouthwash powder : de en
  • CH181092A - Electric incandescent lamp. : en fr
  • SU45029A1 - The method of hydrogenation of vegetable oils : en ru
  • CH180909A - Method of grinding cement clinker. : de en
  • CH180970A - A method of manufacturing a product that can replace leather. : en fr
  • CH181011A - Method of manufacturing a bimetallic container. : en fr
  • US2022140A - Spark plug provided with an ionizing catalytic element : en
  • US2021982A - Earth auger : en
  • DE622541C - Electromagnetic buzzer : de en
  • GB439017A - Method and means for making coffee infusions more digestible : en
  • US2022278A - Game : en
  • SU45070A1 - The method of manufacturing plastics : en ru
  • SU45192A1 - Device for reducing the thickness of the wire front : en ru
  • US2022497A - Electrical appliance plug : en
  • USD97643S - Design for a table jointer : en
  • CH181090A - Lock device for gas pipes. : de en
  • DE622481C - Self-propelled device for holding and turning heavy forgings : de en
  • SU45020A1 - The method of arc welding under a layer protecting against oxidation by atmospheric air fluid : en ru
  • US2022535A - Motor control system : en
  • US2022623A - Jacquard loom harness : en
  • US2022573A - Method and machine for finishing screw heads : en
  • SU45034A1 - Nozzle for regenerators : en ru
  • DE622461C - Fusible link for overcurrent fuses : de en
  • GB438827A - Improvements in and relating to sliding clasp fasteners : en
  • GR5534B - PELIKION FOLDING TRAGIC. : el en
  • GB438896A - An improved process of zinc coating a ferrous article and the product obtained thereby : en
  • DE622393C - Adjustable press tub with pressure pad for gluing soles to shoes or for shaping shoe soles : de en
  • GB439135A - Improvements in or relating to the developing of dyeings on the fibre : en
  • GB439239A - Apparatus for examining the grain of a photographic image layer : en
  • ES4188U - A can opener (Machine-translation by Google Translate, not legally binding) : en es
  • GB439082A - Improvements in or relating to thermionic valves and superheterodyne receivers and like apparatus incorporating the same : en
  • ES139645A1 - Device to make liquid containers non-refillable. : en es
  • ES139710A2 - IMPROVEMENTS MADE INTO THE PURPOSE OF THE SAME : en es
  • US2022419A - Process for pasteurizing and deodorizing liquids : en
  • CA354424A - Extrusion device : en fr
  • CH181045A - Two-stroke internal combustion engine. : de en
  • SU45189A1 - Device for transmitting measuring instrument readings : en ru
  • AT143693B - Vehicle, in particular motor vehicle trailer, with double tires. : de en
  • CH180952A - Process for the production of active molded carbon. : de en
  • US2022434A - Enamel ware : en
  • US2022596A - Bundle tying machine : en
  • SU44952A1 - A device for determining at the station the location of a moving train. : en ru
  • CA354415A - Conversion product manufacture : en fr
  • CH181138A - Ice-lifting device. : en fr
  • AT143793B - Telecommunication cable for four-wire operation, especially for carrier frequency four-wire operation. : de en
  • US2022454A - Monocular photographic apparatus : en
  • CA354452A - Pole cross-arm gain : en fr
  • AT143644B - Rubber product and process for its manufacture. : de en
  • CA354355A - Grinding machine for paper pulp : en fr
  • CH180944A - Safety device on the iron. : de en
  • CH181030A - Device for assembling two tubular elements. : en fr
  • US2022183A - Method of manufacturing rubber printing plates and other articles of rubber : en
  • CA354341A - Curtain stretcher : en fr
  • US2022625A - Rodent trap : en
  • CA354455A - Telegraph tape transmitter : en fr
  • CH180989A - Rifle scope. : de en
  • CH181061A - Mufflers for internal combustion engines. : de en
  • PL22254B1 - The method of securing items made of wool or fibrous material, especially lined items, against deformation. : en pl
  • SU45033A1 - Mechanical nozzle : en ru
  • SU45088A1 - Automatic scales with vertically suspended swing bucket divided into two parts : en ru
  • US2022138A - Jarring tool : en
  • AT143771B - Rotating toothbrush. : de en
  • DE622490C - Pen sharpener with adjustable stop : de en
  • GB438844A - Improvements in wheels for railway or like vehicles : en
  • CH181087A - Arrangement for the control of the grid circles of converters working with grid-controlled vapor or gas discharge paths. : de en
  • CA354358A - Grain door : en fr
  • PL22323B1 - A method of producing twisted artificial threads. : en pl
  • SU44905A1 - A device for removing reels from spindles of BrandWood ink dyeing machines : en ru
  • US2022632A - Dial structure : en
  • US2022400A - Collapsible portable carriage : en
  • US2021973A - Clutch : en
  • US2022282A - Process of producing substantially pure magnesium : en
  • CH181120A - Method and arrangement for synchronization of television receivers. : de en
  • DE622262C - Process for the production of sulfuric acid esters from linseed oil and similar drying oils : de en
  • FR790716A - Perforating tool for drilling a hole in the wall or cap of a container : en fr
  • US2022285A - Oil burner : en
  • DE622433C - Disc wheel, belt pulley or the like. : de en
  • FR790954A - Control systems for electric motors : en fr
  • USD97626S - Design for a gown : en
  • AT143732B - Shoe for feet with weak ankles. : de en
  • AT143571B - Transmission network. : de en
  • CH181074A - Electric switch, especially oil switch. : de en
  • US2022001A - Moldable composition : en
  • US2022194A - Miner's drill bit and other tools : en
  • US2022261A - Toy construction set : en
  • US2022281A - Hotbed : en
  • US2022196A - Automatic safety valve stem : en
  • SU44944A1 - Aerial ropeway with fixed rope : en ru
  • US2021934A - Highway director : en
  • AT143709B - Device for secondary air supply to sectional boilers. : de en
  • AT143748B - Shortwave device. : de en
  • AT143786B - Inlet valve for compressed air drive. : de en
  • ES139457A3 - A new stage representation procedure. : en es
  • ES139708A1 - Procedure to join the rubber fabrics used, especially in the manufacture of masks against gas, and especially fabrics called doublé. : en es
  • FR790626A - Hair activity products : en fr
  • AT143759B - Circuit and electron tube for generating a beat frequency. : de en
  • SU45084A1 - Fluid meter : en ru
  • SU45230A1 - Method and device for wet lawn cleaning : en ru
  • US2021903A - Mercury condenser : en
  • CH180960A - Process for the preparation of an azo dye. : de en
  • SU44999A1 - Method for measuring reactive electrical energy : en ru
  • SU45000A1 - Device for measuring small electrical quantities : en ru
  • US2022039A - Connection for handles and implements : en
  • USD97596S - Design for a drinking glass : en
  • AT143772B - Binocular observation device. : de en
  • CH181029A - Pipeline reinforced by an inner tube. : de en
  • CH181168A - Process for making reflex copies. : de en
  • US2022061A - Gear grinder : en
  • US2022074A - Railway signaling apparatus : en
  • USD97632S - Design for a radiocabinet : en
  • CH180985A - Jass results registration board. : de en
  • CA354386A - Integral elbow : en fr
  • CA354461A - Hydraulic mechanism for tools : en fr
  • SU45005A1 - The method of obtaining a solid insulating layer on the plates of a capacitor : en ru
  • SU45154A1 - Adaptation to automatic turret machines for jamming noise in the chute : en ru
  • US2022042A - Fishing reel : en
  • US2022249A - Vacuum cleaner : en
  • US2022370A - Braking apparatus : en
  • SU44977A1 - Electric button switch : en ru
  • SU45040A1 - Injection syringe : en ru
  • SU45134A1 - Starting device for reversible internal combustion engines : en ru
  • US2022530A - Treatment of abrasive tools : en
  • FR790641A - Method and device for making ice cream : en fr
  • GB438976A - Improvements in roundabouts : en
  • PL22233B1 - A method of washing acetylene from acetylene-containing gases. : en pl
  • PL22311B1 - Wastewater treatment method. : en pl
  • US2022038A - Stream-lined sword carrier for subaqueous sound apparatus : en
  • US2022182A - Preparation of ethylene oxide : en
  • USD97650S - Design for a fan mounting : en
  • USD97637S - Design fob a shoe ob similar article : en
  • AT143677B - Coriandoli. : de en
  • SU44994A1 - Device for measuring high voltages : en ru
  • US2021981A - Self propelling fire extinguishing charge containing a double halogen hydrocarbon compound : en
  • USPP151P - tanner : en
  • ES139606A1 - A push button for automatic looms. : en es
  • FR790891A - Method and device for weighing loads : en fr
  • GB438843A - A process for stabilizing chlorinated rubber : en
  • FR790720A - Manufacturing process, based on animal glues, of sticky products, paints, coatings, coatings, floors and resulting products : en fr
  • AT143719B - Electrically heated hotplate. : de en
  • CH181119A - Device for setting telecommunications equipment. : de en
  • SU45046A1 - A sump for cleaning hot water in water heating systems : en ru
  • US2022327A - Apparatus for the comparison of colors : en
  • US2022452A - Direction measuring device : en
  • US2022611A - Means for regulating internal combustion engines : en
  • PL22303B1 - System for simultaneous modulation and vibration generation in one lamp. : en pl
  • US2022197A - Fluid motor : en
  • DE622271C - Electric motor drive for switching devices that can be adjusted in stages : de en
  • AT143617B - Process for eliminating or reducing the tendency of hard carbon steels to form stress cracking. : de en
  • CH180930A - Instrument for opening and emptying a container. : en fr
  • PL22231B1 - A method of making seamless socket or flanged pipes from asbestos-cement or similar materials, and a device for carrying out the method. : en pl
  • SU45169A1 - Device for controlling and regulating light in film copying machines : en ru
  • CH181134A - Device for supporting the upper part of the vehicle on the wheels, in particular for motor vehicles. : de en
  • CH181175A - Process for the preparation of a derivative of 5,5-phenylethylhydantoin. : de en
  • FR790666A - Lubrication process and lubricants used in this process : en fr
  • PL22264B1 - A screw head or a screw head with a washer, securing it against unscrewing. : en pl
  • AT143741B - Slide fastener and method of making the same. : de en
  • US2022019A - Servo-clutch : en
  • DK50936C - Security and Key to Lock. : da en
  • PL22319B1 - A method of obtaining aluminum compounds from hardly soluble aluminum minerals, e.g. clay, kaolin and the like. : en pl
  • AT143551B - Device for supplying internal combustion engines. : de en
  • PL22312B1 - Treatment of heavy hydrocarbons. : en pl
  • SU44950A1 - Device for stopping cars : en ru
  • SU45198A1 - Slaking machine : en ru
  • DE622448C - Metal vapor rectifier with anodes arranged like a ring on the circumference of the vessel : de en
  • SU45106A1 - Device for testing hollow cylinders for tightness : en ru
  • SU45240A1 - Electronic lamp : en ru
  • SU44973A1 - Pod electrode for alkaline batteries : en ru
  • US2021928A - Spark plug : en
  • US2021880A - Hydraulic brake : en
  • US2022139A - Disinfecting and preserving agent : en
  • US2022247A - Arch support : en
  • CA354385A - Integral elbow : en fr
  • AT143637B - Process for the preparation of 1-1- [3'-oxyphenyl] -2-aminopropanol- (1) or its N-alkyl, aralkyl or aryl derivatives. : de en
  • CA354411A - Hydrocarbon polymerization product : en fr
  • CH180916A - Liquid fuel injector. : de en
  • AT143718B - Devices for displaying announcements, etc. like : de en
  • BE411593A - : en
  • BE411668A - : en
  • DE622521C - Device for switching on and off the auxiliary phase winding of single-phase induction motors : de en
  • PL22235B1 - Tobacco slicer with rotary knives. : en pl
  • SU45201A1 - Apparatus for carrying out the method of using waste from the production of artificial grinding materials : en ru
  • US2022054A - Apparatus and process for distilling or cracking hydrocarbons or the like : en
  • US2022269A - Checking tag : en
  • US2021986A - Production of pure lithium compounds from impure solutions : en
  • USD97642S - Design fob a textile fabric : en
  • US2022283A - Heat treating furnace tray : en
  • USD97610S - Design for a shoe : en
  • USD97648S - Design for a trailer : en
  • US2022254A - Vehicle brake : en
  • US2022537A - Electrical regulation : en
  • US2022222A - Electric lighting fixture : en
  • DE622417C - Gyroscope, especially for displaying absolute directions on board aircraft : de en
  • ES139643A1 - Processes for the manufacture of shatterproof intermediate layers of polymerisates for composite crystals, reflective plates and similar combinations of superposed materials. : en es
  • CH181058A - Starting device for internal combustion engines. : de en
  • ES139717A1 - A typewriter, of temporary release or disengagement by minute meter mechanism. : en es
  • CH181148A - Points system. : de en
  • CH181063A - Device to produce cold. : en fr
  • US2022386A - Conductor support : en
  • US2022545A - Stem construction for inner tubes used on drop center rims : en
  • SU44887A1 - Device for measuring the angle and direction of the curvature of the wells : en ru
  • AT143552B - Carburettor with pre-heating of the mixture by the exhaust gases. : de en
  • CH181154A - Process for the preparation of a phenylated compound. : de en
  • SU44924A1 - The method of obtaining mono - and divinylacetylene : en ru
  • AT143714B - Automatically closing lid for containers to hold garbage u. like : de en
  • SU45227A1 - Vetrosilov installation : en ru
  • US2022574A - Controlling means for flying shears or the like : en
  • SU44899A1 - Device for limiting the expansion of pipe : en ru
  • US2022000A - Apparatus for breaking material : en
  • SU45109A1 - The method of determining the germination of seeds : en ru
  • SU45136A1 - Nozzle pump for uncompressed internal combustion engines : en ru
  • US2021943A - Seismic method for profiling geologic formations : en
  • US2022221A - Polymerization of olefines : en
  • PL22293B1 - Set of glass lampshades for electric lamps]. : en pl
  • FR790710A - Improvements to cycles, tandems, motorcycles, tricycles and the like : en fr
  • SU44941A1 - Insulated rail joint : en ru
  • AT143621B - Process for the extraction of metals by reducing their compounds, especially those of an oxidic nature, with the aid of coal. : de en
  • AU206608B2 - Improvements in or relating to multi-storey buildings : en
  • CH180968A - Device for collecting the matches periodically removed from the support means of a complete match machine. : de en
  • US2022635A - Printing press : en
  • SU45066A1 - Chlororodine polymerization method : en ru
  • US2022257A - Apparatus for making electric fish wire : en
  • CH180992A - Device for the more precise transfer of points onto the worktop of a pantograph. : de en
  • CH180977A - Photographic camera with photoelectric light meter. : de en
  • US2022582A - Pressure adjusting device for pneumatic transmission of measurements : en
  • US2022235A - Cap forming apparatus and method : en
  • CH180895A - Plate screw connection, mainly for windows, doors etc. : de en
  • DE622465C - Process for the production of a firing base for porcelain mantle crowns : de en
  • CH180913A - Safety fastening mechanism for vehicle wheel. : en fr
  • CH180983A - Scaffolding for the formation of a Christmas tree from branches. : de en
  • CH181034A - System with at least two piston machines that are rigidly coupled to one and the same shaft by means of gear wheels. : de en
  • AT143623B - Manufacture of objects that must be resistant to attack by decarburizing gases, especially at high temperatures and pressures. : de en
  • AT143641B - Process for the preparation of urea or thiourea derivatives. : de en
  • AT143563B - Ring valve with handlebar guide. : de en
  • BE411892A - Method and apparatus for the purification of molten metals : en fr
  • AT143585B - Process and device for the production of grooves in embossing cylinders for films. : de en
  • FR790631A - Protection device for electrical circuits : en fr
  • FR790782A - Garment suitcase : en fr
  • DE622441C - Excavator with scraper box open at the bottom : de en
  • AT143608B - Process for the production of seamless metal pipes. : de en
  • GB438938A - Improvements relating to cooking equipments with direct electric heated cooking vessels : en
  • GB439131A - Improvements in or relating to the housing of poultry and other domestic birds : en
  • DE622482C - Die for sharpening screw shaft ends : de en
  • DK50937C - Electrical Contact at Alarm Clocks for any Termination of an Alarm Circuit. : da en
  • FR790605A - Device facilitating the fixing of a film on a winding reel : en fr
  • CH180961A - Process for the preparation of an azo dye. : de en
  • CA354377A - Impulse turbine : en fr
  • AT143660B - Method and device for the production of tar-free gas from wood or other water-containing fuels suitable for operation with explosion engines with strongly changing loads. : de en
  • US2022305A - Method of making receptacle blanks : en
  • US2022441A - Electric indicating instrument : en
  • USD97640S - Design fob a bug : en
  • DE622435C - Sound absorber for metal chains : de en
  • CA354467A - Underground conduit : en fr
  • PL22314B1 - A method of producing pure aluminum hydroxide. : en pl
  • US2022207A - Positive displacement pump of the constant delivery type : en
  • US2022311A - Preparation of pulps containing hard binder substances : en
  • US2022536A - Electrical regulating system : en
  • CA354335A - Hand drill guide : en fr
  • CH181012A - Device for rotating the object to be welded when welding circumferential seams. : de en
  • AT143567B - Device for controlling the luminous flux of a constant light source for television purposes and optical sound recording. : de en
  • CH181026A - Spray processes, especially for paints. : de en
  • DE622322C - Position indicators for aircraft : de en
  • SU45061A1 - Apparatus for deodorizing synthetic rubber (matched) with alcohol : en ru
  • CA354422A - Sheet metal pipe manufacture : en fr
  • US2021916A - Brake arrangement : en
  • US2022132A - Tire covering and holding device : en
  • SU45051A1 - Poultry plucking machine : en ru
  • CH180902A - Bed drainage for rail tracks laid in traffic routes. : de en
  • US2021989A - Ball tossing game : en
  • US2022228A - Benzine pocket lighter : en
  • US2022488A - Shoe : en
  • SU45095A1 - Electromagnetic Pickup : en ru
  • GB438826A - Artificial fishing bait : en
  • FR790837A - X-ray tube feeder : en fr
  • DE622353C - Feed for the steel belt in presses to separate razor blades with holes on the belt from the dropout : de en
  • CH181121A - Device to draw the audience's attention to the sale of a specific product. : de en
  • FR790814A - Construction process for use of buildings : en fr
  • PL22310B1 - Camera with target chamber. : en pl
  • USD97611S - Design for a bottle : en
  • AT143703B - Wireless shunting radio system. : de en
  • CH181046A - Power machine. : de en
  • ES3880Y - Medical pessary system. : en es
  • ES139713A1 - Extendable table for molding and immediate demoulding of solid or hollow parts, reinforced concrete or not. : en es
  • FR790777A - Colander vegetable press : en fr
  • GB439175A - Improvements in or relating to the stabilization of ships : en
  • ES4183U - Devices to supply lubricants directly from the container in which it comes from the factory. (Machine-translation by Google Translate, not legally binding) : en es
  • GB438928A - Improvements in road rollers : en
  • US2022115A - Variable speed pulley : en
  • GB438929A - Improvements in or relating to reciprocating piston compressors : en
  • AT143760B - Switching arrangement. : de en
  • CA354333A - Multicolour filter obturating device : en fr
  • AU2202335A - An improved undergarment such as underdraws, shorts, trunks andthe like : en
  • PL22337B1 - A method of increasing the fire resistance and maintaining the tension of the fabric covering the bearing and steering surfaces of aircraft : en pl
  • IE14134L - Pipe joints : en
  • FR790861A - Armored radio receiver intended for automobiles, airplanes or other means of transport equipped with internal combustion engines : en fr
  • GB438848A - Production of new decylene compounds : en
  • FR790922A - Support device for the wheels of motor vehicles and similar vehicles : en fr
  • FR790656A - Installation intended for carrying out continuous washing or extraction : en fr
  • FR790786A - Continuous process and dewaxing apparatus : en fr
  • FR790890A - Improvement in ebonite containers, particularly for accumulators : en fr
  • FR790950A - Airtight sealed paper container : en fr
  • ES139611A1 - Improvements in the construction of windows for buildings of the so-called guillotine. : en es
  • FR790982A - Improvements to television or similar apparatus : en fr
  • CA354346A - Mudguard suspension : en fr
  • DE622351C - Process for the production of Schraemen in Floez dismantling with flush offset : de en
  • FR790919A - New radiant body system : en fr
  • ES139526A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • DE622488C - Filter breath protection device : de en
  • FR790638A - New advanced device for hank dyeing : en fr
  • FR790909A - Sound diffuser device for loudspeakers : en fr
  • US2022128A - Ornamental member for wheels : en
  • US2022301A - Preparation of coating compositions : en
  • DE622466C - Process for the production of centrifugally cast hollow bodies : de en
  • GB438952A - Improvements in apparatus for obtaining fibres from the stalks of flax and other bastplants : en
  • FR790646A - Automatic on and off retaining ratchet for lifting devices and similar applications : en fr
  • GB438899A - Improvements in or relating to exposure gates for motion picture apparatus : en
  • GB439086A - Improvements in or relating to means for treating safety razor and other blades : en
  • DE622321C - Device for monitoring the synchronous operation of the locks of image measuring chambers when taking pictures by means of several serial image measuring chambers set up separately from one another : de en
  • US2022002A - Appliance for physical culture or exercise purposes : en
  • ES4177U - Bracket for cables (Machine-translation by Google Translate, not legally binding) : en es
  • FR790616A - Automotive car door lock : en fr
  • FR790675A - Alarm clock with preliminary signals : en fr
  • GB438798A - Improvements in the measuring of gloss : en
  • FR790999A - Smokehouse : en fr
  • US2022457A - Dental appliance : en
  • DE622325C - Hardness tester with comparison and measuring pendulum : de en
  • FR790728A - Orientation stabilizer for automobile headlights : en fr
  • FR790978A - Improvements to sheets or composite panels : en fr
  • DE622312C - Device for examination with X-rays : de en
  • ES139595A1 - A tie making process. : en es
  • ES4192U - Submarine toy ship. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790852A - Method and apparatus for dewaxing oils by centrifugation : en fr
  • US2022367A - Horn : en
  • US2021994A - Refrigerating apparatus : en
  • DE622374C - Device for producing hair waves by means of hot air : de en
  • US2022276A - Adhesive carbon paper : en
  • US2022392A - Temperature compensated induction meter : en
  • GB438982A - Improvements in or relating to dolls : en
  • DE622518C - Motorized drive and electrical remote control of colored discs and cover slides, in particular stage lights : de en
  • US2022258A - Cloth spreader or expander : en
  • FR790713A - Insecticide : en fr
  • CA354376A - Scroll case for turbines : en fr
  • FR790761A - Automatic and continuous machine for humidifying the toes and buttresses of shoes, or similar applications : en fr
  • SU44986A1 - Device for remote control of an electric motor regulating rheostat : en ru
  • US2022593A - Apparatus and method for drying printed webs : en
  • AT143738B - Exposure meters for cameras with a viewfinder camera. : de en
  • CH181031A - Automatic valve for flushing sanitary ware. : en fr
  • DE622527C - Body support for resting on a horizontal surface : de en
  • US2022303A - Placer mining machine : en
  • GB438959A - Improvements in or relating to absorption refrigerating apparatus : en
  • GB439029A - Improvements in or relating to the manufacture of textile hollow bodies : en
  • CH181002A - Watch with protective case. : en fr
  • US2022265A - Water closet flush bowl : en
  • GB439015A - Auxiliary recording arrangement for automatic telephones : en
  • AT143582B - Fastening device for stacks of sheets of calendars, writing pads and the like like : de en
  • CA354451A - Piston ring expander : en fr
  • GB438969A - Improvement relating to gloves : en
  • GB439113A - Improvements in or relating to display cabinets : en
  • SU44916A1 - Water filtration rate regulator : en ru
  • DK50932C - Automatically acting Shut-off device for the Circulation Pump's Bypass line for pump-operated Hot water heating systems. : da en
  • US2022065A - Therapeutic applicator device : en
  • US2022461A - Manufacture of cigarettes : en
  • US2022307A - Welding rod : en
  • US2022323A - Razor blade for safety razors : en
  • DE622548C - Pickling bath for pickling iron and steel : de en
  • ES139668A1 - Lever system for riveting ship bottoms without levers. : en es
  • FR790833A - Visible card file carried by mobile supports : en fr
  • US2022035A - Operating means for switches and other apparatus : en
  • US2022484A - Apparatus for producing laminated glass : en
  • US2022045A - Brake : en
  • US2022544A - Rail bond : en
  • SU44897A1 - Method for trapping vapors of ethyl and other alcohols : en ru
  • SU45226A1 - Assembly tool : en ru
  • DE622377C - Device for the automatic cleaning of the filter of pot vacuum cleaners : de en
  • DE622437C - Device for fixing the pillars of gymnastics equipment : de en
  • AT143656B - Process for the preparation of activated oils, fats, fatty acids or their esters which can be used as oxidizing agents. : de en
  • AT143727B - Attachment for stacks of tear-off sheets, especially for calendars. : de en
  • GB438917A - Improvements in or relating to electron discharge devices : en
  • GB439105A - Improvements in or relating to apparatus for and method of forming sheet metal into cylindrical or hollow bodies : en
  • DE622495C - Boiler system with dining area storage tank : de en
  • CH180971A - Ring knife for longitudinal cutting machines. : de en
  • US2022591A - Combination service table, drain, and conveyer : en
  • AT143698B - Tractor wheel with anti-skid. : de en
  • CA354449A - Carton filling machine : en fr
  • ES139694A1 - DEVICE FOR THE MANUFACTURE OF LEATHER FACES OR OTHER ARTIFICIAL MATERIALS ANALOGUE TO LEATHER IN STRAIGHT MOLDS : en es
  • GB438945A - Improvements relating to the driving of revolving funnel guides of drawing frames : en
  • GB439038A - Improvements in or relating to liquid containers : en
  • FR790731A - Method of preparing leather soles for attachment by simple gluing to leather or leather shoes and resulting products : en fr
  • GB438812A - Improvements in valve arrangements for controlling the flow of liquids, particularlyfor water softeners : en
  • US2022495A - Sound recording apparatus : en
  • US2022489A - Refrigerated storage cabinet : en
  • US2022462A - Art and products of rubber manufacture : en
  • US2022621A - Bathing suit : en
  • FR790880A - Buzzer : en fr
  • GB439093A - Improvements in composition enamels and the process of making the same : en
  • USD97615S - Design for a ventilator casing : en
  • PL22258B1 - Air rifle with cocking lever. : en pl
  • SU45015A1 - Device for suspending self-capping electrodes of electric furnaces : en ru
  • DE622333C - Flow regulator for gases : de en
  • DE622573C - Hoist for cranes to pick up vehicles from the water : de en
  • US2022431A - Water heater : en
  • GB439178A - Improvements in or relating to telegraphones and like magnetic recording devices : en
  • AT143792B - Telecommunication cable with compensation for electromagnetic crosstalk. : de en
  • ES139600A1 - A process for the manufacture of food flour. : en es
  • US2022075A - Applicator container : en
  • USD97657S - Design for a mowing monoplane : en
  • US2021908A - Tile attaching clip : en
  • SU45032A1 - Mechanical nozzle : en ru
  • SU45142A1 - Manual Oiler : en ru
  • DE622438C - Jump mat with sheet layers clad in a coat : de en
  • FR790986A - Improved receiver device with abrupt operating threshold : en fr
  • GB438866A - Bands of paper, folded and impregnated which can be reinforced or not : en
  • AT143580B - Electric fluorescent tube with surrounding double-walled heat protection vessel. : de en
  • PL22294B1 - Inductive load of long-distance teletechnical cables, especially long-distance teletechnical cables to work with a carrier current. : en pl
  • US2022162A - Lady's hand bag : en
  • USD97598S - Design for lace : en
  • FR790865A - Improvements in fuel pump adjustment : en fr
  • GB438833A - Improvements in or relating to roof-support in mines : en
  • FR790644A - Method and apparatus for the production of pears and similar hollow rubber articles : en fr
  • ES139692A1 - Improvements in the manufacture of shatterproof composite glass. : en es
  • FR790700A - Method and device for the temperature compensation of cross-wound instruments : en fr
  • FR790901A - Vehicle in which the motor is used for braking, in particular on descents : en fr
  • GB439013A - Improvements in or relating to furnaces for melting glass : en
  • US2022011A - Resinous composition : en
  • DE622530C - Device for adjusting the time of action of a device operating with a strongly variable torque : de en
  • US2022006A - Safety device for reversible internal combustion and other engines : en
  • PL22263B1 - Sterilizer for hairdressing and cosmetic instruments. : en pl
  • SU45111A1 - A device for solving many-body problems : en ru
  • US2021949A - Pigment dispersion : en
  • DE622446C - Reinforced truss arch bridge : de en
  • ES4206U - Drill bits with cutting edges, changeable, for the mechanical manufacture of cork stoppers. (Machine-translation by Google Translate, not legally binding) : en es
  • SU45133A1 - Internal Combustion Engine : en ru
  • US2022025A - Composite tinsel strand : en
  • GB439173A - Improvements in joiner's cramps or the like : en
  • DE622316C - Preferably made of cellulose pulp : de en
  • US2022117A - Roentgen meter : en
  • US2022472A - Molded articulated article : en
  • ES139667A3 - Process for manufacturing glass or crystal blocks, to be applied in the formation of light signals by reflection. : en es
  • SU44901A1 - Winding drum to the machine for the manufacture of flexible shafts : en ru
  • AT143764B - Tube arrangement. : de en
  • CH180945A - Corselet. : de en
  • DE622346C - Process for the production of colorless titanium dioxide-containing glasses with a high refractive power : de en
  • DE622479C - Plain bearings with spherically designed sliding surfaces : de en
  • GB438867A - A method of manufacturing a liquid-tight winding for electric motors : en
  • GB439041A - An improved polishing device for the rolls of rolling-mills : en
  • GB439154A - An improved spinning arrangement for the production of artificial filaments, more particularly artificial silk : en
  • FR790806A - Process for producing an easily reactive alumina : en fr
  • GB438824A - Improvements in or relating to loud speakers : en
  • GB439109A - Improvements in or relating to machines for placing enclosures such as letters or circulars in envelopes : en
  • DE622503C - Rolling mill system consisting of two or more continuously working rolling lines : de en
  • DE622529C - Sweat band for headgear : de en
  • ES4214U - A new type of box spring (Machine-translation by Google Translate, not legally binding) : en es
  • GB438980A - Improvements relating to respiratory appliances for protection against noxious gases : en
  • GB439089A - Improvements in or relating to feed water pre-heaters : en
  • DE622308C - Process for the preparation of o-aminonaphthalenecarboxylic acids : de en
  • DE622472C - Device for the distillation of metals : de en
  • FR790841A - External shutter-shutter window controlled from inside : en fr
  • GB438835A - Improvements in or relating to boxes or similar containers : en
  • GB439004A - Improvements in or relating to electron discharge devices : en
  • CH181117A - Variable capacitor for an apparatus receiving high frequency electrical signals intended also to receive very high frequency electrical signals. : en fr
  • GB439062A - Improvements in or relating to bottle closures : en
  • US2022313A - Centrifugal fan : en
  • US2022485A - 3,3-dimethyl-1-bromo-butane : en
  • FR790886A - High voltage current generator for radiological use : en fr
  • ES139773A1 - Procedure for the preparation of food products. : en es
  • DE622580C - Palladium-copper-silver alloys : de en
  • ES139682A1 - Clutch and speed change mechanism. : en es
  • FR790785A - Suspender enhancements : en fr
  • DE622428C - Cushioning, especially for motor vehicles : de en
  • FR790748A - Variable pitch propeller adjustable during flight : en fr
  • CH181166A - Process for the production of a halogen-containing vat dye. : de en
  • FR790617A - Manufacturing process of very fine subdivision metal layers : en fr
  • FR790633A - Improvements to heat-conducting walls : en fr
  • FR790673A - improved ejector-condenser and water vapor refrigeration machine including its application : en fr
  • FR790634A - Improved process for dewaxing hydrocarbon oils : en fr
  • FR790746A - Automatic locking and warning device for all kinds of locks : en fr
  • ES139586A1 - An improvement in glass melting furnaces. : en es
  • ES4236U - Belt waistband for the manufacture of underpants (Machine-translation by Google Translate, not legally binding) : en es
  • FR790981A - Brake for vehicles of all kinds : en fr
  • GB438819A - Improvements in artificial flies for dry fly fishing : en
  • GB439006A - Improvements in silencers for fire-arms : en
  • FR790776A - Process for producing a glaze on ceramic objects : en fr
  • DE622320C - Process for the manufacture of products containing rubber and asbestos : de en
  • DE622474C - Precious metal alloy : de en
  • CH180899A - Mortar kettle. : de en
  • GB439005A - Improved methods of obtaining photographic contrasts by means of diazonium compounds and sensitive layers for use therein : en
  • SU44954A1 - Cathodic Farsight Transmitter : en ru
  • ES4234U - Modeler for breasts. (Machine-translation by Google Translate, not legally binding) : en es
  • GB438897A - An improved seating arrangement for motor vehicles : en
  • GB438933A - Improvements in and relating to door locks : en
  • DE622491C - Closing device for the mixing vessel of mixing machines for concrete or the like. : de en
  • DE622562C - Selective protective device : de en
  • CA354352A - Elastic bandage : en fr
  • SU45186A1 - Alarm device : en ru
  • US2021923A - Unitfd statfs patfnt offitf : en
  • US2021942A - Welded head for internal combustion engines : en
  • US2021929A - Flashed building structure : en
  • DE622579C - Process for vulcanizing the outer skin of golf balls or similar play balls, consisting of balata, gutta-percha or rubber : de en
  • GB439040A - Improvements relating to friction clutches : en
  • ES139618A1 - A procedure for the manufacture of terry cloth for bathrobes and other applications. : en es
  • GB438829A - Heating apparatus for greenhouse and the like : en
  • PL22211B1 - Housing made of shapes. : en pl
  • US2022280A - Art of and apparatus for converting hydrocarbons : en
  • US2022320A - Percolator top : en
  • US2022439A - Welding rod : en
  • AT143766B - Shielding for high frequency devices or parts thereof. : de en
  • CH181005A - Machine for shaping shaped glasses and milling or transplanting the notch of the bezel intended to support a shaped glass. : en fr
  • ES139705A1 - A gas scrubber for gas engines for explosion engines. : en es
  • FR790894A - Improvements to rotary machines used to create a vacuum or to compress gases : en fr
  • ES139640A1 - Improvements in the manufacture of thermionic cathodes. : en es
  • PL22313B1 - Method for separating oil from solids in the residue after hydrogenation of carbon materials. : en pl
  • SU44892A1 - Sawing machine : en ru
  • SU45107A1 - A device for determining small amounts of carbon in steel by the barite method : en ru
  • ES139631A1 - Distribution by valves with oscillating control. : en es
  • SU45031A1 - Steam boiler : en ru
  • SU45052A1 - Free drum winch : en ru
  • US2021925A - Antikidnapping vault entrance control : en
  • US2022003A - Recovery of lithium values from lithium bearing ores : en
  • SU44913A1 - Method of cooling down steam locomotives : en ru
  • US2022087A - Deflector for automobiles : en
  • US2022463A - Air conditioning apparatus : en
  • US2022531A - Fuse for an electrically heated device : en
  • US2022598A - Safety razor : en
  • FR790977A - Parcel rack : en fr
  • GB438985A - Improvements in straining, securing and severing devices for wire bale and other package ties : en
  • GB439099A - Improvements in and relating to the casting of light metal pistons : en
  • DE588959C - Process for the manufacture of pipes : de en
  • FR790797A - Device used to absorb urine and collect babies' stools so as to eliminate the use of diapers : en fr
  • SU45191A1 - The carriage on the carding machine for the production of bobbins from wool tape : en ru
  • DE622299C - Plywood middle layer glued like parquet : de en
  • DE622342C - Device for the production of resitols : de en
  • GB438931A - Improvements in or relating to a machine for making pile fabrics : en
  • DE622584C - Pressure regulator : de en
  • PL22302B1 - Kk-47-fr22770T Sealing piston ring. : en pl
  • SU45087A1 - Automatic scales for loose bodies : en ru
  • SU45199A1 - Device for driving a cutting machine to a belt press : en ru
  • US2022170A - Method for reclaiming printing press rollers : en
  • US2022373A - Textile machinery : en
  • PL22225B1 - The method of preserving raw animal hides and the foil used in carrying out this method. : en pl
  • PL22228B1 - Suction rotary pump with auxiliary liquid. : en pl
  • ES136825A3 - A method of manufacturing wheels for vehicles. : en es
  • GB438882A - Braun tubes and circuits therefor : en
  • GB439145A - Motor car bonnet catch : en
  • DE622364C - Storage of the foundation blocks of elastic railway superstructure : de en
  • GB439046A - A method for making moulded articles from impregnated fibrous materials : en
  • FR790763A - Dust extractor with hand-operated double-acting piston pump : en fr
  • ES4231U - A piece with lower covering to build slabs (Machine-translation by Google Translate, not legally binding) : en es
  • GR5538B - CHEMICAL POKER. : el en
  • SU45213A1 - Dryer : en ru
  • US2022575A - Apparatus for transferring a cigar filler from the rolling device into the pressing mold : en
  • FR790959A - Irregularly decorated products obtained from molding powder : en fr
  • DE622511C - Stumbling block : de en
  • CH180936A - Unwinding spindle for weft winding machines. : de en
  • FR790612A - Electric adjustment device : en fr
  • FR790997A - Surgical suture pliers : en fr
  • AT143601B - Process and device for the production of bronze colors. : de en
  • PL22330B1 - Shaving knife sharpener. : en pl
  • US2021998A - Electric cable installation : en
  • US2022017A - Apparatus for straining liquids or gases : en
  • AT143606B - Spring-loaded chair made of wood or the like. : de en
  • CH181000A - Process for the production of a light-polarizing body and light-polarizing body produced by this process. : de en
  • PL22283B1 - A method of purifying metallic bismuth from arsenic. : en pl
  • US2022577A - Tensioning means for loom let-off beams : en
  • CH181093A - Tubular filament electric lamp. : en fr
  • US2022217A - Method for securing and tensioning resilient spokes for wheels provided with a suspended hub : en
  • US2022347A - Ball bearing skate wheel : en
  • US2022385A - Latch : en
  • US2021975A - Method of and means for treating woven and the like fabrics and yarns : en
  • USD97656S - Design for a textile fabric : en
  • PL22220B1 - Device for removing tobacco parts from cigarettes. : en pl
  • US2022022A - Testing apparatus : en
  • SU44946A1 - Aromatic Locomotive Sandbox : en ru
  • SU45114A1 - A manual for learning Morse code by ear : en ru
  • PL22325B1 - The method of calibrating measuring transformers by means of an electrodynamic differential device. : en pl
  • US2022044A - Brake : en
  • US2022440A - Temperature indicator : en
  • BE411982A - : en
  • CH181085A - X-ray system. : de en
  • CH180927A - Sieve and strainer for tilting kettles in military kitchens, for military cooking boxes, etc. : de en
  • CH181016A - Reel for wire, in particular barbed wire and wire rope. : de en
  • CH181088A - Arrangement for generating tilting vibrations. : de en
  • US2022499A - Pitch change control : en
  • US2022620A - Lubricating mechanism : en
  • CA354383A - Furnace stoker : en fr
  • CH181032A - Regulator with an electrically controlled regulator. : de en
  • SU45021A1 - Relay : en ru
  • US2022036A - Windshield opening and closing regulator : en
  • CA354410A - Isobutylene polymerization production : en fr
  • US2022018A - Hydraulic system for clothes driers : en
  • CH180958A - Process for the preparation of phosphoric acid triesters of aliphatic alcohols. : de en
  • AT143761B - Acid-tight cable connection to accumulators. : de en
  • AT143773B - Fine adjustment device for microscopes and other optical instruments. : de en
  • AT143676B - Pyrophoric lighter. : de en
  • CH181060A - Method for producing a highly explosive fuel mixture for internal combustion engines and device for carrying out the method. : de en
  • US2022153A - Ventilated wheel and brake drum : en
  • SU44884A1 - Hydropulvert for enrichment of coal : en ru
  • US2021993A - Woven fabric : en
  • US2022296A - Windshield : en
  • US2022149A - Coating composition : en
  • US2022361A - Process of producing a refined hydrogenated sesame oil : en
  • SU45170A1 - Device for making a passport to film copiers : en ru
  • DE622542C - Spinning or twisting machine with individually driven and stop spindles by flexible shafts : de en
  • DE622270C - Electric rotary switch for right and left hand movement with two bolts, each controlled separately by an eccentric : de en
  • CA354338A - Button making machine : en fr
  • CH180889A - Self-drinking bowls for animals. : de en
  • CH181109A - Money changer. : de en
  • US2022205A - Apparatus for the treatment of immiscible liquids : en
  • USD97636S - Design for lace : en
  • US2022101A - Well drill : en
  • US2022426A - Spring suspension for vehicles : en
  • AT143789B - Installation in rectifier and inverter systems with grid-controlled noble gas or metal vapor discharge vessels. : de en
  • SU45178A1 - Sharpening device : en ru
  • US2021911A - Process for dyeing and printing : en
  • US2021951A - Railway signaling apparatus : en
  • US2021992A - Spool : en
  • US2022026A - Clutch controlling mechanism : en
  • US2022127A - Beaded tire cover : en
  • US2022349A - Bumper guard : en
  • DE622556C - Device for making ice in ice cells : de en
  • FR790991A - Electric contactor : en fr
  • GB438817A - Improvements in cellar equipments for drawing beer : en
  • GB439111A - Improvements in and relating to chairs and the like : en
  • US2022403A - Filter : en
  • AT143744B - Men's lower leg dress with stocking or sock holder. : de en
  • CA354357A - Air cooling and circulating device : en fr
  • AT143602B - Device for transferring the movement of one part to another part without the use of mechanical connecting means. : de en
  • CH181130A - Tube. : de en
  • US2022394A - Humidifier : en
  • US2022146A - Loader : en
  • AT143671B - Button fastening. : de en
  • CH181167A - Process for copper-plating iron. : de en
  • DE622443C - Method and device for the production of kilim fabrics on handlooms : de en
  • GB439066A - Improvements relating to spectacles and eyeglasses : en
  • PL22291B1 - The circuit of connecting the regulator's switch with the regulator of the generator connected to the receiving network and the battery bank. : en pl
  • SU45076A1 - A method of making grids to optical devices for observation with a dark field : en ru
  • US2021897A - Clutch control mechanism : en
  • US2022605A - Adjustable collar band for shirts : en
  • SU45175A1 - Door screw lock without springs : en ru
  • US2021921A - Clutch : en
  • US2021948A - Apparatus for testing porous materials : en
  • US2021990A - Process of treating zinc sulphide or zinc oxide pigment : en
  • USD97605S - Design for a ventilator casing : en
  • AT143685B - Crank drives, in particular for bicycles. : de en
  • DE622452C - Device for mixing and moistening tobacco leaves : de en
  • US2022490A - Moistureproof material : en
  • USD97654S - Design for a drainer for dishes : en
  • US2022312A - Furnace construction : en
  • CA354339A - Wheel tire : en fr
  • FR790874A - Improvements to cable reels : en fr
  • GB438838A - Improvements in or relating to the cylinder assembly and valve gear of water-cooled internal-combustion engines : en
  • GB439144A - Improvements in or relating to upright piano actions : en
  • AT143649B - Device for the detachable fastening of the incandescent element carrier on the head of an invert gas incandescent light burner. : de en
  • AT143579B - Spring-loaded cylindrical socket. : de en
  • CA354345A - Bulb socket lock : en fr
  • CH180947A - Machine for processing shoe soles. : de en
  • ES4215U - Vessel or tilting lid container. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790689A - Protective coating, especially for iron : en fr
  • SU45224A1 - Safety device for locking weaving machines against breakage of the main threads when changing the shuttle : en ru
  • CA354431A - Stable chocolate syrup : en fr
  • CH180896A - Method and device for cutting floor coverings made of linoleum, rubber or the like for stairs. : de en
  • ES139723A1 - Improvements in the manufacture of pulverized fuel. : en es
  • US2022088A - Method of : en
  • US2022516A - Optical viewing instrument : en
  • CH181049A - Silencer. : de en
  • DE622422C - Application of the process for plating iron strips with a non-heated plating layer of copper, nickel or their alloys to the plating of iron strips with a layer made of chrome-nickel steel : de en
  • DE622338C - Bow saw for butcher shops : de en
  • ES139623A1 - Perfeccionamientos in the manufacture of electrical plates. : en es
  • GB439078A - An improved method of and means for preventing offset of ink in printing operations : en
  • AT143751B - Arrangement for sending and receiving ultrashort waves. : de en
  • SU45164A1 - Focus Targeting Device : en ru
  • SU45220A1 - Shuttleless loom : en ru
  • US2021972A - Window sash guide : en
  • US2022218A - Process of preparing the tetrasulphuric acid ester of leuco-1,2,2',1'-anthraquinone azine : en
  • CA354457A - Plumber's union : en fr
  • SU45128A1 - Hand saw : en ru
  • DE622523C - Switching arrangement for cooking and heating devices : de en
  • SU45237A1 - Modulation Method : en ru
  • US2022482A - Storage battery paste : en
  • US2021922A - Metal edged slab and building construction : en
  • US2022103A - Calculating machine : en
  • US2022556A - Cylinder head construction : en
  • USD97641S - Design for a lace : en
  • SU45003A1 - Electric coil winding machine : en ru
  • SU45053A1 - The portable center with a removable cooking vat-thermos : en ru
  • US2022102A - Engine front mounting : en
  • PL22205B1 - The method of refining hydrocarbon distillates. : en pl
  • SU44904A1 - Sizing machine : en ru
  • SU45209A1 - Floating device for discharging logs from the river : en ru
  • US2022510A - Gas mixer and vaporizer : en
  • US2022617A - Process of obtaining thevetin from the seeds of thevetia nerhfolia juss. or exile nut : en
  • CH181043A - Two-stroke internal combustion engine with a rotary fan. : de en
  • CH181127A - Support for soft metal tube with pasty content. : en fr
  • SU45092A1 - Limiter and index of the phonograph spring factory : en ru
  • US2022211A - Portable lawn canopy : en
  • FR790704A - Process for the preparation of porous compositions : en fr
  • GB439027A - Improvements in or relating to rotary piston engines : en
  • US2022542A - Hydraulically operated grinding machine : en
  • AT143565B - Anti-glare and fog light device for motor vehicle headlights. : de en
  • CA354388A - Glass making apparatus : en fr
  • DE622505C - Cold bed system for rolling mills : de en
  • DE622510C - Device for dismantling rail freight trains at shunting yards : de en
  • AU2019034A - Improvements in or relating to modulated carrier wave receivers : en
  • CH180894A - Caulking strip. : en fr
  • CH181143A - Stand on bicycles and motorbikes with a device to secure them against theft. : de en
  • US2021945A - Method of making blanks : en
  • US2022569A - Grinding of rotating eccentric knives : en
  • FR790779A - : fr
  • GB439055A - Improvements in or relating to the manufacture of amines : en
  • SU44893A1 - Method for the production of preparatory work in the development of building tuff open work : en ru
  • SU45006A1 - Electrode for electronic and ion devices : en ru
  • US2022491A - Foot-operated motor controller : en
  • US2022500A - Electrolytic device : en
  • US2022613A - Automatic counter for textiles : en
  • DE622451C - Process for the production of oxide layers on aluminum and aluminum alloys : de en
  • CH180924A - School desk. : de en
  • US2021898A - Apparatus for blasting : en
  • US2021939A - Quiet automatic volume control system : en
  • US2022118A - Means for separating solids from liquids : en
  • US2022270A - Sealable tag : en
  • US2021887A - Cellulose mixed ester composition : en
  • US2022412A - Detector circuit : en
  • AT143665B - Process for the production of high quality tar products. : de en
  • AT143695B - Braking device for rail vehicles. : de en
  • CA354430A - Stabilizing compound for chocolate mixtures : en fr
  • ES139768A1 - A fire warning device. : en es
  • DE622318C - High pressure hot water district heating systems : de en
  • FR790636A - electrode for vacuum tubes, in particular for high flow rectifiers : en fr
  • GB438908A - Improvements in the manufacture of metal reflectors : en
  • GB438986A - Improvements in spinning rings : en
  • CA354416A - Colouring process for pelts, furs, etc. : en fr
  • SU45141A1 - Connecting rod for connecting rod head : en ru
  • US2022329A - Water clarifying apparatus : en
  • ES4199U - A box for injectables (Machine-translation by Google Translate, not legally binding) : en es
  • GB438860A - Improvements in microscope objectives : en
  • GB439170A - Improvements in electric sound reproducers : en
  • ES4200U - Sprayer for perfumes and other liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790714A - : fr
  • ES139624A1 - An automatic change announcing machine. : en es
  • FR790664A - Device transforming direct electric current into alternating current : en fr
  • SU45139A1 - Reactive internal combustion turbine : en ru
  • US2021966A - Method of and machine for affixing reenforcing members to articles and for pressing seams : en
  • ES139707A1 - An apparatus for separating dust or the like from gases or vapors. : en es
  • GB439087A - Improvements in ink bottles and like containers : en
  • GB439091A - Adjustable waistband for men's and boys' trousers : en
  • FR790854A - Improvements made to automatic recording devices, in particular to drum devices : en fr
  • US2022519A - Method of making electric heating pads : en
  • USD97620S - Design for a toy bog : en
  • US2021920A - Control circuits : en
  • US2022160A - Interchangeable sign : en
  • CH181041A - Piston pump. : de en
  • DE622317C - Device for adjusting the grinder of grinders, especially coffee grinders : de en
  • DE622576C - Multi-row fireplace : de en
  • DK50946C - Radio receiver. : da en
  • FR790908A - Soft, non-deformable collar : en fr
  • GB439031A - Independent front wheel springing system : en
  • DE622507C - Process for the recycling of the scrap metal strips that are created when cutting blanks from strip material : de en
  • GB439045A - An improved chromium manganese steel alloy : en
  • SE84972C1 - PROCEDURE AND DEVICE FOR MANUFACTURE OF FILLING OPENINGS IN HOSE-BAGS AND SALON-MANUFACTURED BAGS : en sv
  • US2022348A - Ball bearing skate wheel : en
  • US2022599A - Piston for hydraulic brakes : en
  • GB438910A - Improvements in electric discharge lamps : en
  • GB438988A - Improvements in medical glass syringes : en
  • IE13294L - Internal combustion engines. : en
  • US2022081A - Fastening device : en
  • US2022618A - Transmission : en
  • GB438830A - Improvements in or relating to electric incandescent lamps for vehicle illumination : en
  • DE622517C - Liquid switch with conductive liquid : de en
  • DE622531C - Carburetor device for fuel engines : de en
  • DE622558C - Method for modulating transmitters : de en
  • SU44922A1 - Alkali Metal Amalgam Decomposition Device : en ru
  • US2022178A - Hydraulically operated automatic cam grinding machine : en
  • US2022503A - Automatic telephone system : en
  • FR790805A - Improvements in the manufacture of anti-oxidants and the processing of rubber using these products : en fr
  • GB438839A - Control systems or arrangements for providing a control in response to changes of voltage or current ratio : en
  • GB438841A - Process of manufacture of floor and furniture polishes and boot and shoe polishes : en
  • GB438960A - Improvements in photo-mechanical resists and compositions therefor : en
  • FR790798A - Device for stabilizing boats or the like using reaction forces : en fr
  • US2021931A - Pantographic device : en
  • FR790929A - Device for the projection of sound-visual films, the sound tracks of which are arranged differently from the image : en fr
  • DE622330C - Secateurs : de en
  • DE622414C - Initial wall use made of angle and extension stones : de en
  • GB438997A - Improvements in or relating to electromagnetic track brakes : en
  • DE622368C - Kerr cell fluid : de en
  • US2022012A - Manufacture of alums : en
  • GB438806A - An improved device or apparatus for closing caps, lids and like covers on sheet metal drums, canisters and like containers : en
  • GB438898A - An improved blotting-appliance : en
  • FR790648A - Process for extracting hydrogen sulfide from gases which contain it : en fr
  • US2022268A - Method of purifying an acid-treated light hydrocarbon oil : en
  • ES3678Y - Snap ring with ledge to provide clearance. : en es
  • FR790984A - Magnetic guiding device without friction : en fr
  • SU45236A1 - Device for transmitting vision : en ru
  • DE622305C - Refractory rammed layer for the lining of ovens for naming cement etc. like : de en
  • FR790930A - New book binding system : en fr
  • GB439044A - Improvements in or relating to shoe-upper shaping machines : en
  • GB439167A - Improvements in machines for shearing metal sheets and the like : en
  • US2022351A - Folding machine : en
  • USD97617S - Design fob a surgical electrode : en
  • CH180912A - Cabinet lock for right and left use, as well as for use on drawers and trap doors. : de en
  • FR790803A - Products with oligodynamic action and processes for preparing them : en fr
  • FR790900A - Improvements in obtaining typographic bars : en fr
  • DE622152C - Cash register with several adding units : de en
  • ES139593A1 - Procedure for the vulcanization of footwear with rubber sole and cut of rubberized fabric or cloth. : en es
  • SU45158A1 - Wood wind instrument : en ru
  • US2022107A - Controllable voice : en
  • US2022240A - Halogenated vat dyestuff of the benzanthronylaminoanthraquinone series and process of making same : en
  • US2022446A - Process of preparing organic cellulose esters : en
  • US2022481A - Circulating and mixing system : en
  • SU45228A1 - Device for fermenting sugars : en ru
  • US2022014A - Method for making reflex copies : en
  • US2022609A - Sanitary pad shield and the like : en
  • DE622352C - Machine for the automatic pressing of threads in rotating bodies made of sheet metal : de en
  • DE622413C - Room fan with several filters connected in parallel : de en
  • FR790718A - Propulsion control device for cycles, and more particularly for bicycles : en fr
  • FR790860A - Electrical arrangement comprising a tube with several grids intended for rectification or modulation and at the same time for the production of high frequency oscillations : en fr
  • SU44908A1 - Rope support : en ru
  • PL22250B1 - A seal for axial bearings, especially mine bogie bearings. : en pl
  • US2022241A - Circuit interrupting device : en
  • GB438903A - Improvements in or relating to television, and like systems : en
  • US2022374A - Manifolding device for typewriters : en
  • FR790691A - Iron staircase : en fr
  • GB439128A - Process for the treatment of waxes, fats, or mixtures of higher fatty acid esters, or of higher alcohols : en
  • DK50948C - Traffic signal. : da en
  • GB438828A - Improvements relating to incandescence gas lighting : en
  • US2022013A - Noiseless stop : en
  • US2022179A - Toy vehicle : en
  • US2021964A - Starting and stopping device : en
  • USD97628S - Design for a textile fabric : en
  • ES139522A1 - Improvements introduced in the manufacture of rakes. : en es
  • ES139782A1 - A procedure to signal the depletion of gas filters and purifiers. : en es
  • FR790990A - Automatic thermal relay switch : en fr
  • DE622331C - Bellows to accommodate dust-like agents for pest control : de en
  • SU45208A1 - The way rafts logs "pike" : en ru
  • US2022496A - Amplifier : en
  • CH180956A - Process for the preparation of alkyl derivatives of carbohydrates. : de en
  • GB439140A - Improvements in or relating to pipe clips : en
  • FR790687A - Process and apparatus for the manufacture of tubes : en fr
  • ES139069A3 - Procedure for printing matt rayon fabrics. : en es
  • DE592250C - Method for pulling tubes made of paper, fabric and the like Like. And a binding agent from the mandrel that solidifies after cooling : de en
  • SU45103A1 - Adjusting mechanism for coarse and fine adjustment : en ru
  • US2022215A - Method of cooling glass : en
  • GB439133A - Improved irrigating rectal dilator : en
  • GB439137A - Improvements in door locks : en
  • ES4221U - Wall calendar. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790677A - Developers for silver halide emulsions : en fr
  • GB439009A - Improvements in or relating to public address systems : en
  • GB439024A - Improvements in or relating to the manufacture of tissue paper : en
  • GB439095A - Improvements in hair-nets : en
  • SU44974A1 - Method of cementation jet : en ru
  • ES4220U - Bag with special closure and handle to contain and transport garments. (Machine-translation by Google Translate, not legally binding) : en es
  • GB438814A - Improvements in electric cables : en
  • FR790796A - Mechanical device for playing dice : en fr
  • ES138535A1 - A turning thresher. : en es
  • GB438861A - Improvements in and relating to clutches for flexible shaft drives : en
  • FR790608A - Stepped sheets : en fr
  • FR790654A - Liquid dosing dispenser : en fr
  • GB438900A - Improvements in and relating to radio direction finding : en
  • DE622494C - Process for the preparation of mono- or polynitropolysulfones and their reduction products : de en
  • AT143687B - All-terrain vehicle, in particular all-terrain motor vehicle. : de en
  • CA354397A - Beverage dispenser : en fr
  • US2021884A - Photographing apparatus : en
  • AT143584B - Electric light bulb with two filaments to be used one after the other. : de en
  • PL22295B1 - Electric insulated wire. : en pl
  • PL22318B1 - Device for applying glue to paper strips, labels and similar items. : en pl
  • CH180931A - Funnel. : en fr
  • SU44948A1 - Truck crane for air rail brakes : en ru
  • US2022287A - Road treating and surfacing apparatus : en
  • US2022559A - Motor heater : en
  • CA354392A - Packaged material and device : en fr
  • CH181044A - Two-stroke internal combustion engine with pistons rotating in opposite directions. : de en
  • AT143758B - Additional device for basic rangefinder. : de en
  • CH180925A - Clothes rack. : en fr
  • CH181025A - Copy machine tool. : de en
  • PL22296B1 - Paddle ring for steam or gas turbines, operating at a lower driving speed than the voice speed. : en pl
  • PL22244B1 - Ultra short-wave transceiver. : en pl
  • US2022256A - Process for refining of alkyl phenols : en
  • US2022360A - Foil and film manufacture : en
  • CA354347A - Digging apparatus : en fr
  • CA354363A - Cable clamp : en fr
  • DE622553C - Process for the purification of preparations of the male gonadoid hormone : de en
  • AT143777B - Woodhouse. : de en
  • CA354372A - Paper box opening machine : en fr
  • CH180928A - Toothbrush with bristle body that can be rotated by hand. : de en
  • SU45197A1 - Device for feeding tobacco leaves on the conveyor base machines : en ru
  • CH180959A - Process for the preparation of an azo dye. : de en
  • SU45174A1 - Propeller for airship : en ru
  • SU44902A1 - A device for sorting needles in one direction : en ru
  • US2022382A - Antirobbery receptacle : en
  • SU45207A1 - Loading device for root crops and the like : en ru
  • US2022402A - Apparatus for demonstrating reflecting properties of surface finishes : en
  • AT143731B - Process for the production of stand-up collars. : de en
  • BE412061A - Process for the production of lacquers and colored coating compositions : en fr
  • SU44896A1 - Bunker dosing device from skip hoist : en ru
  • US2022401A - Shirt collar support and protector : en
  • CA354406A - Oxide coating removing method : en fr
  • SU45096A1 - The way to get sound recording : en ru
  • SU45115A1 - Descriptive Geometry Tutorial : en ru
  • CA354351A - Hedge trimmer : en fr
  • US2022602A - Trolling lead : en
  • AT143774B - Radio reception circuit. : de en
  • DE622532C - Injection internal combustion engine : de en
  • US2022202A - Pupillometer : en
  • SU45102A1 - Micromanometer : en ru
  • BE411609A - : en fr
  • AT143696B - Device on motor vehicles for the controllable supply of warm or fresh air. : de en
  • SU44920A1 - Oxidizer : en ru
  • ES139676A1 - Procedure to counterplate veneers of wood and metal, resulting in mixed plywood board. : en es
  • GB439116A - A new method for the manufacture of flower pots : en
  • ES139758A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • SU45241A1 - Method and device for indicating the end of action of oxygen cartridges : en ru
  • AT143578B - Bulb holder for electric lights. : de en
  • FR790701A - Improvements to ingot molds in character-carrier ingot casting machines : en fr
  • GB438849A - Improvements in method of and device for the rewinding of photographic films : en
  • GB439157A - Improved coupling for flexible and other pipes : en
  • SU45011A1 - Device for testing solid dielectrics : en ru
  • US2021940A - Garter band : en
  • US2022220A - Dishwashing machine : en
  • CH181062A - Refrigerant compressor. : de en
  • GB438983A - Improvements in safety switch devices for electrically heated apparatus : en
  • FR790858A - Improvements to washing machines and their transformation into sterilizers : en fr
  • AT143674B - Quickly detachable dog leash for hunting od. Like. Purposes. : de en
  • CH180997A - Power converter. : de en
  • FR790650A - Telegraph apparatus printing characters directly, using the same sign for two different groups of characters : en fr
  • FR790699A - Tap : en fr
  • GB439033A - Improvements in or relating to seat cushions, particularly for the seats of motor vehicles : en
  • SU45019A1 - Device for arc welding using oscillators : en ru
  • AT143635B - Process for the preparation of 1- [3'.4'-dioxyphenyl] -2-alkylaminopropanol- (1). : de en
  • DE622204C - Device for collecting moisture in steam turbines : de en
  • US2022604A - Safety device : en
  • PL22247B1 - Electric strike fuse. : en pl
  • FR790993A - Process for preparing tough elastic compositions : en fr
  • CH180946A - Tie. : de en
  • ES4239U - Card holder for identity documents. (Machine-translation by Google Translate, not legally binding) : en es
  • US2022034A - Transmission mechanism : en
  • US2022124A - Tire cover : en
  • US2022126A - Beaded tire cover : en
  • FR790827A - Method for manufacturing guipures, and device for implementing this process on so-called bobbin looms : en fr
  • DE622501C - Process for the production of colloidal reliefs for the embossing or molding of printing forms : de en
  • SU45083A1 - Device for registration of fast flowing processes : en ru
  • US2022051A - Interpolating telegraph receiving system : en
  • DE622554C - Rotating work and power machine with sickle-shaped work space and oscillating piston : de en
  • ES139696A1 - Improvements in the construction of impulse transmitters, mainly destined to automatic telephony. : en es
  • FR790876A - Improvements to sound reproducers : en fr
  • FR790963A - Improvements to the packaging of biscuits and similar hygroscopic articles : en fr
  • USD97644S - Design fob a molding fob pieces of : en
  • GB439241A - Improvements relating to the production of photographic-sensitive sheet materials : en
  • FR790951A - Indirect electric heater for permanent ripple : en fr
  • CH181066A - Induction regulator. : de en
  • ES139422A1 - A protective pneumatic cover of the human body against the action of deadly and toxic gases. : en es
  • GB438821A - Improvements in beer pumps : en
  • GB438878A - Improvements in or connected with water-waste preventers : en
  • GB438916A - Improvements in or relating to vending machines : en
  • CA354441A - Lubricating inter-layer : en fr
  • US2022432A - Printing apparatus for transferring : en
  • GR5536B - APPLIANCE WITH CARD WRAPPED FOR USE OF EUROPEAN TOILET SYSTEM. : el en
  • ES139666A1 - DICTATING MACHINE : en es
  • GB439679A - Improvements in or relating to methods and means for sorting or testing coins and other metallic objects : en
  • ES139674A3 - A manufacturing process to obtain activated carbon with high absorbent power. : en es
  • ES139757A1 - Push-button operation system applicable to elevators. : en es
  • GB438869A - Means for regulating the phase of the grid voltage in ion valves : en
  • FR790649A - Illumination and irradiation device of the operating field : en fr
  • SU45153A1 - Fitting to lathe for mounting spindles in bearings : en ru
  • GB439079A - Improvements in or relating to distance indicators : en
  • DE613693C - Device for descaling, cleaning and gutting fish : de en
  • FR790816A - System of sectors : en fr
  • US2022242A - Apparatus for turning plate glass : en
  • US2021933A - Band seal : en
  • DE622498C - Push rod lock for mowing machines : de en
  • AT143566B - Circuit arrangement for self-connecting private branch exchanges. : de en
  • AT143721B - Machine for the surface treatment of the edge part of shoe components, for example shoe soles. : de en
  • AT143797B - Device for the production of multiple cores for telecommunication cables. : de en
  • US2021909A - Insulated car : en
  • US2022100A - Core catching means : en
  • US2022145A - Scraper loader : en
  • FR790712A - Machine for canceling and counting coupons or other paper or cardboard documents : en fr
  • US2022229A - Emulsion and process for producing the same : en
  • US2022504A - Siphon apparatus : en
  • FR790807A - Luminous projectile which can be launched by means of ordinary hand-held firearms : en fr
  • GB438872A - Improvements in and relating to apparatus for display purposes : en
  • GB439032A - Improvements in or relating to thermionic valves and superheterodyne receivers and like apparatus incorporating the same : en
  • US2022479A - Laminated glass : en
  • US2022533A - Game device : en
  • SU44926A1 - Method for producing malonic ester : en ru
  • SU45130A1 - Method of protecting plants from insect larvae laying eggs on the soil surface : en ru
  • FR790724A - Special scale thermometer : en fr
  • AT143659B - Process for preparing the feed to cement kilns. : de en
  • CA354348A - Safety device for drivers : en fr
  • AU946855A - Improvements in or relating to multi-storey buildings : en
  • DE622551C - Device for cutting the embossed dough elevations from a layer of dough sitting on a rotating roller : de en
  • DE622560C - Cable drain boiler : de en
  • FR790756A - Plane bomb to destroy a submerged submarine : en fr
  • FR790826A - Temperature exchanger device for tubular systems : en fr
  • GB438978A - Improvements in and relating to weighing machines : en
  • GB439007A - Arrangements of independent steering wheels for motor vehicles : en
  • GB439165A - Hollow moulded heels and means for securing same to boots or shoes : en
  • FR790639A - Device for obtaining the suction, silence and aeration of gaseous fluids by the use of vacuum, applied more particularly to explosion engines : en fr
  • FR790855A - Improvements made to articles for smokers, in particular pipes : en fr
  • FR790623A - Injector with water shut-off drawer, particularly for locomotives : en fr
  • ES139580A3 - Improvements in grease boxes for railway wagon axles and the like. : en es
  • GB439047A - Improvements in or relating to radio receivers : en
  • DE622555C - Working method for absorption refrigeration machines : de en
  • GB438810A - Improvements in the purification of hydrocarbons : en
  • FR790778A - Rangefinder sight : en fr
  • FR790987A - Heating Current Dual Control Discharge Tube : en fr
  • GB439567A - Improvements in and relating to alternating current apparatus : en
  • USD97603S - Design fob a traveling bag : en
  • US2022143A - Ventilator : en
  • IS83B6 - Tools for processing fats and adhesives from raw materials of animals and plants : en is
  • PL22261B1 - Electric cord, asbestos insulated and resistant to oil and heat. : en pl
  • USD97616S - Design for a bar cabinet : en
  • AT143782B - Tool for the production of tension grid handicrafts. : de en
  • CH180886A - Method and device for lowering plants, in particular cereal plants. : de en
  • DE622298C - Process for the production of durable pharmaceutical solutions : de en
  • DE622373C - Method and device for the vitaminization of wool fat or wool fat alcohol for cosmetic skin cream : de en
  • GB439059A - Improvements in or relating to cabin roofs for yachts : en
  • ES139650A1 - Apparatus for recovering water from underground formations or layers or for supplying them therein. : en es
  • US2021907A - Method of and apparatus for producing images of objects : en
  • US2022070A - Lock : en
  • US2022614A - Stable halogen derivatives of caoutchouc and a process of preparing same : en
  • DE622278C - Electrodynamic pickup : de en
  • CH181114A - Self-sellers, especially for electricity, gas, water etc. : de en
  • PL22285B1 - tilCPFCtlli3 / 0 & Transportation unit, consisting of main pump and submersible auxiliary pump. : en pl
  • SU45206A1 - Device for cleaning the tape of the endless conveyor from sticking to it of particles : en ru
  • US2022288A - Tool holder : en
  • AT143775B - Discharge tube. : de en
  • SU44971A1 - Method for producing nickel hydroxide electrolytically : en ru
  • USD97652S - Design for a tandem bimotored : en
  • SU44992A1 - Method of washing bel : en ru
  • SU44993A1 - Magnetoelectric measuring instrument : en ru
  • CH181001A - Process for obtaining a lined network for stereoscopy, sterephotography and other applications and device for carrying out this process. : en fr
  • DE622376C - Suction head for an electrically operated vacuum cleaner with a movable suction mouthpiece : de en
  • PL22229B1 - A method of making domestic pottery, glass or similar material, provided with an external metal coating. : en pl
  • PL22230B1 - Weight with a sliding weight. : en pl
  • SU44886A1 - The method of flotation of oxidized minerals : en ru
  • US2022055A - Drill bit : en
  • US2022016A - Apparatus for straining liquids or gases : en
  • DE622515C - Variable capacitor : de en
  • DE622329C - Grain divider for mowing machines, the divider body of which forms part of a conical shell : de en
  • CH181014A - Device for supplying an arc welding circuit with alternating coorant. : en fr
  • GB439242A - Improvements in, or relating to, release mechanism for electrical switchgear : en
  • CH181069A - Permanent magnet system with pole pieces, especially for ignition and luminous power generators. : de en
  • US2021985A - Duplicate receipt register : en
  • US2022541A - Puttyless glass roof : en
  • USD97649S - Design for an automotive vehicle : en
  • SU44955A1 - Image line scanning method : en ru
  • CA354399A - Two-stroke cycle engine : en fr
  • CH180892A - Insulating insert in buildings. : de en
  • DE622500C - Plant for processing chocolate mass : de en
  • SU45018A1 - Impact welding method : en ru
  • US2021979A - Production of rustless iron : en
  • US2022212A - Low capacity thermionic tube : en
  • US2022480A - Freewheeling mechanism : en
  • US2022521A - Cutting and gumming machine : en
  • US2022641A - Wood cigar shield : en
  • US2022225A - Wire weaving machine and method of weaving wire cloth : en
  • PL22260B1 - The device for propelling and steering the boat with the help of the power of the legs. : en pl
  • AT143553B - Internal combustion engine, in particular two-stroke internal combustion engine, with airless fuel injection and an annular combustion chamber. : de en
  • CH181131A - Unloading device for bulk goods. : de en
  • CH181103A - Disinfection method. : de en
  • SU44921A1 - Solvay type pipe furnace for calcining bicarbonate : en ru
  • US2022020A - Cowl ventilator : en
  • US2022130A - Spare tire cover : en
  • US2022465A - Electrical vacuum pump : en
  • SU44895A1 - Electric drill for conducting inclined and horizontal wells : en ru
  • SU45233A1 - Brown pipe for receiving vision : en ru
  • AT143619B - Preparations for soldering, welding or metallizing metals. : de en
  • CH181104A - Apparatus for creating permanent waves. : de en
  • US2022062A - Scale for packing fruits : en
  • BE412030A - Improvements to armored spark plugs : en fr
  • CA354436A - Anti-anemia substance : en fr
  • US2022031A - Dispensing container : en
  • USPP149P - howard : en
  • SU45075A1 - Altimeter : en ru
  • PL22259B1 - Device for closing the end of the cable, especially a transitional end sleeve for long distance telecommunication cables. : en pl
  • US2022464A - Vitamin concentrate : en
  • ES139647A1 - ENGINE GAS GENERATOR-PLUNGER, FREELY FLYWHEEL : en es
  • AT143762B - Process for the extraction or isolation of finely dispersed substances with an electrical charge from highly dilute solutions. : de en
  • CH181149A - Rail connectors for electric railways. : de en
  • AT143572B - Relays for protecting overloadable equipment, especially electrical machines and lines, against harmful overload. : de en
  • DE622571C - Furniture with foldable and movable parts, in particular a dressing toilet that can be converted into a washstand : de en
  • FR790760A - Cistern float valve : en fr
  • ES139711A1 - A tube coupling system. : en es
  • SU44918A1 - Filter for liquids : en ru
  • FR790844A - Automatic track block with signaling lamps and locking or with semaphore arms : en fr
  • ES139685A1 - PROCEDURE FOR THE PRODUCTION OF INSCRIPTIONS, DRAWINGS, MODELS OR OTHER FIGURES ON ALUMINUM OBJECTS AND THEIR CHOICES : en es
  • ES4237U - A new shotgun with elastic (Machine-translation by Google Translate, not legally binding) : en es
  • DE622313C - Saliva suction device, in particular for dental purposes : de en
  • DE622324C - Device for fatigue tests on strip or thread-shaped bodies : de en
  • FR790613A - Metal ionic vapor valve arrangement : en fr
  • CH181037A - Lubricator on washing machines and the like with motor drive : de en
  • SU45104A1 - A device for sorting steel products : en ru
  • SU45129A1 - Device for digging trees from the soil : en ru
  • US2021881A - Refrigerant control device : en
  • US2022073A - Garment or ironing press : en
  • CH181064A - Fridge. : de en
  • ES139673A1 - A procedure for the production of a motor fuel. : en es
  • US2022190A - Releasable wringer head : en
  • US2022089A - Screw thread gauge : en
  • SU44964A1 - Device for secret telephony : en ru
  • US2022108A - Sound and moving picture : en
  • DE622336C - Press box on scrap baling presses and baling presses : de en
  • ES139691A1 - IMPROVEMENTS IN THE CONSTRUCTION OF WRITING MACHINES, ESPECIALLY FOR SHORTNESS : en es
  • FR790629A - New method of manufacturing sandals and the resulting products : en fr
  • PL22333B1 - A device for the control and correction of the radio frequency setting with a continuous waveband. : en pl
  • SU44968A1 - Device for measuring high frequency currents in the antenna circuit : en ru
  • US2022292A - Automobile heater : en
  • SU45159A1 - Thermostat for mass processing of dairy products, for example, yogurt in glasses : en ru
  • CH180974A - Device for inserting several sheets of paper on typewriters. : de en
  • FR790692A - Improvements to bottles or other containers : en fr
  • GB439073A - Improvements in stopper or closure devices for bottles and like vessels : en
  • CH181128A - Packaging can. : de en
  • US2022581A - Drive axle : en
  • US2022456A - Manufacture of new condensation products from natural resins : en
  • AT143735B - Device for the automatic display of faults in systems for remote monitoring of moving organs. : de en
  • AU2228135A - Improvements in and relating to rotary engines or pumps : en
  • PL22251B1 - Pipe conduit. : en pl
  • US2022628A - Profile gauge : en
  • CH180922A - Metal tube chair. : de en
  • DE622396C - Table football game with clippers, playing discs, ball and goalkeeper figures : de en
  • US2022214A - Expanding support for casting cores : en
  • SU45121A1 - Great price : en ru
  • US2022099A - Engine mounting : en
  • US2022208A - Pump for thermal jugs : en
  • USD97635S - Design for a radiocabinet : en
  • FR790868A - Improvements in beer drawing by means of gas pressure : en fr
  • CA354437A - Drum weir : en fr
  • US2022230A - Method of and apparatus for making rubber tubes : en
  • US2022086A - Apparatus for the control of railway car retarders : en
  • US2021885A - Process for obtaining colloidal dispersions of metals in oils and products thereof : en
  • DK50957C - Flashlight. : da en
  • US2021938A - Card or paper stock for use in duplicating processes : en
  • US2022106A - Take up device : en
  • CH181142A - Device on pneumatic tires for automatic display of their wear on the tread. : de en
  • CH181165A - Process for the preparation of a water-insoluble azo dye. : de en
  • US2022109A - Paste tube outlet : en
  • AT143742B - Gate valve for gases or liquids under high pressure. : de en
  • US2021917A - Azo dye and method for its preparation : en
  • CH181018A - Apparatus for flaring pipes. : de en
  • US2022570A - Ice safe : en
  • CH180926A - Holder for storing hosiery and other linen. : de en
  • CH180957A - Process for the production of acetylbenzoyl peroxide. : de en
  • CA354364A - Gas exhauster : en fr
  • FR790794A - Improvements to telegraph devices such as baudot : en fr
  • PL22245B1 - Magnet-electric ignition device for internal combustion engines with the use of permanent magnets. : en pl
  • FR790747A - Folding bench more particularly applicable to motor cycles and the like : en fr
  • FR790830A - Method and device for transforming mechanical or electrical vibrations or oscillations into luminous oscillations : en fr
  • FR790934A - Device determining regular downtime for mobile advertising panels, in particular mounted on motor cars : en fr
  • GB438859A - Method of and apparatus for recovering gold or other metallic particles from sand and the like : en
  • DE622350C - Process for the production of embossing rollers for films by a thumb wheel : de en
  • CA354425A - Printing punch : en fr
  • PL22255B1 - Bearing bushing for high pressures, especially for rolling mill bearings. : en pl
  • SU44967A1 - Vernierna transmission : en ru
  • US2022104A - Hood latch : en
  • USD97625S - Design fob a lamp base ok : en
  • DE622280C - Bearing shell : de en
  • FR790659A - Two-stroke internal combustion engine : en fr
  • SU44909A1 - Sod peat feeder : en ru
  • GB438852A - Improvements in methods of and means for radiogoniometric position-finding : en
  • GB439025A - Improvements in or relating to high frequency electrical circuits : en
  • US2022251A - Fireproof container : en
  • US2022290A - Tool holder : en
  • US2022302A - Coating composition and process of preparing same : en
  • DE622356C - Process for the production of bleaching substances, in particular bleaching earth : de en
  • DE622497C - Differential protection device against short circuit and earth fault for parts of an electrical system : de en
  • GB439141A - Improvements in or relating to the manufacture of sweetstuffs : en
  • US2022071A - Freewheeling mechanism for automobiles : en
  • US2022317A - Bust support : en
  • DE622447C - Transformer for regulating the voltages in three-phase systems while maintaining symmetry : de en
  • GB438919A - Improvements relating to doors and other parts of vehicle bodies : en
  • ES139597A1 - A machine for manufacturing molded rubber products. : en es
  • FR790740A - Improvements to flexible tubes : en fr
  • GB439037A - A new or improved device for holding fish hooks, artificial flies or baits : en
  • DE622514C - Method for tuning an ultra-short wave receiver working with tubes in braking field circuit by changing the electron transit time : de en
  • GB438951A - Improvements in or connected with water-waste preventers : en
  • US2022250A - Vacuum cleaner : en
  • DE622366C - Servo motor for switching devices, especially for multiple fluid gears in rail vehicles : de en
  • GB439126A - Improvements relating to the moulding of concrete pipes and the like : en
  • GB439160A - Improvements in and relating to latches for doors and the like : en
  • FR790912A - Double acting valve : en fr
  • GB438822A - Spinning centrifugal motor arrangements : en
  • DE622421C - Braking device for vehicle internal combustion engines : de en
  • FR790918A - Spark plug : en fr
  • GB438948A - Electric sewing machine cabinet : en
  • DE622285C - Container for holding a gasoline-oil mixture, especially for motor vehicles : de en
  • SU44891A1 - Electrojectile Swivel Hammer : en ru
  • CH181082A - Cathode ray tube. : de en
  • SU45187A1 - Thermal relay : en ru
  • US2022345A - Card table : en
  • US2022478A - Volume control : en
  • ES139732A1 - Improvements in the construction of electrical discharge devices and in the joints for them. : en es
  • US2022142A - Door : en
  • US2022399A - Brace for folding table legs : en
  • US2022248A - Television equipment : en
  • DE622434C - Trolley for caterpillars with a resilient and rotatable base plate : de en
  • GB438854A - Improvements in or relating to grinding or abrading machines : en
  • GB439053A - Production of resorcinol : en
  • GB439138A - Improvements in or relating to electromagnetic relays : en
  • US2022272A - Idler roller supporting means for belt conveyers : en
  • US2021988A - Production of lithium compounds : en
  • US2022129A - Tire cover : en
  • US2022428A - Churn : en
  • US2022638A - Razor : en
  • DE622445C - From indifferent salts, e.g. Table salt, potassium chloride and the like Like., And finely divided coal existing cementation bath : de en
  • DE622566C - Device for measuring fluctuating pressures, especially the pulse rate : de en
  • CA354453A - Vessel annealing method : en fr
  • SU45196A1 - Attraction : en ru
  • US2022203A - Static pressure indicating device : en
  • CA354429A - Motor control system for grinders : en fr
  • CH181136A - Switching device for change gears, in particular for motor vehicles. : de en
  • US2022024A - Burner : en
  • US2022176A - Pressing machine and element : en
  • US2022631A - Fluid meter : en
  • FR790721A - Transportable display case that can be heated or cooled : en fr
  • GB439146A - Improvements in or relating to means for transmitting synchronising signals in television : en
  • FR790911A - Electronic discharge lamp : en fr
  • FR790660A - Primer intended for the manufacture of fabric-covered buttons : en fr
  • FR790910A - Adaptation of ordinary single-lens cinematographic projection devices to the projection of cinematographic images giving the illusion of relief : en fr
  • GB439094A - Improvements in and relating to connections for attaching flexible conductors to dynamo brushes, especially laminated brushes : en
  • SU45074A1 - A device for sorting cotton fibers by length : en ru
  • US2021983A - Apparatus for making inner tubes for tires : en
  • US2022443A - Liquid control apparatus : en
  • CA354401A - Shoe : en fr
  • PL22272B1 - A method of manufacturing welded metal pipes and a device for this purpose. : en pl
  • DE622467C - Method and device for improving the surface of rolled glass : de en
  • PL22299B1 - Pistons for machines with self-lubricating piston rings. : en pl
  • SU44975A1 - Method of firing illuminated insulators : en ru
  • US2022187A - Slicing machine : en
  • PL22282B1 - Machine for continuously connecting lids and bottoms with glued walls of paper or cardboard vessels. : en pl
  • PL22322B1 - A method for stabilizing pentaerythritol tetranitrate. : en pl
  • CA354468A - Underground conduit : en fr
  • US2022200A - Bottle brushing device : en
  • US2022603A - Convertible article of furniture : en
  • USRE19769E - Apparatus fob treating fruit : en
  • AT143710B - Device for heating liquids and gases. : de en
  • SU45017A1 - Device for electric cutting of metals : en ru
  • SU45081A1 - A device for indicating the frequency of electrical impulses : en ru
  • GB439153A - Improvements in or relating to grids for electric discharge tubes : en
  • ES139452A1 - A new procedure of scenic representation. : en es
  • FR790607A - Screening funds : en fr
  • GB439158A - Improvements in and relating to thread cutting devices for automatic lathes : en
  • ES139851A1 - Procedures for manufacturing special hollow parts for construction. : en es
  • FR790725A - Rotary explosion engine : en fr
  • GB438894A - Manufacture of new phenanthrene derivatives : en
  • CH181100A - Process for the production of bacilli cultures. : de en
  • SU44898A1 - Method of rolling wavy cylinders : en ru
  • SU45176A1 - Barrel valve allowing pouring of liquid under pressure and preventing the replenishment of extraneous liquid : en ru
  • US2021967A - Liquefier : en
  • US2021997A - Fluid operated lift for oil wells : en
  • US2022310A - Dating device for labeling machines : en
  • USD97619S - Design for an embroidered fabric : en
  • US2022449A - Handle : en
  • FR790799A - Vessel dyes : en fr
  • SU45089A1 - Instrument for measuring the amount of fuel in tanks : en ru
  • US2022565A - Apparatus for closing folded boxes or containers : en
  • PL22305B1 - Cathode ray tube for producing the shortest waves. : en pl
  • ES139501A1 - A process for preparing artificial dispersions of rubber, gutta-percha, balata and analogous, coagulated plant resins. : en es
  • GB438837A - Improvements in adjustable wrenches : en
  • GB439080A - Improvements in electric furnaces : en
  • US2021974A - Plate locking device : en
  • US2022206A - Household press for fruits and vegetables : en
  • US2022555A - Transmission machine : en
  • CH181135A - Leaf spring for motor vehicles. : de en
  • US2022043A - Flower stemming machine : en
  • PL22292B1 - Wing clutch. : en pl
  • AT143769B - Glove. : de en
  • US2022338A - Winding apparatus : en
  • ES139679A1 - A winnowing agricultural machine. : en es
  • AT143609B - Device for grinding tenons, cams, etc. : de en
  • DE622484C - Process for the production of multiple metals, in particular those made of iron and steel : de en
  • US2022579A - 2,3-hydroxy-naphthoic acid arylamide : en
  • CA354403A - Aircraft brake fluid compressor : en fr
  • CH181108A - Cash register operated by keys. : de en
  • DE622327C - Adding machine : de en
  • DK50949C - Apparatus for the Electrolytic Separation of Substances of Liquids, In particular of Water. : da en
  • DE622450C - Friction clutch : de en
  • DE622567C - A trough-shaped protective cap made of metal, designed as a quick wound bandage : de en
  • FR790881A - : fr
  • DE622292C - Folding device on machines for wrapping objects in a wrapper with a removable cover : de en
  • US2022427A - Fuel burning apparatus : en
  • USD97608S - Design for a shoe : en
  • GB439244A - Rotary steel plate printing machines : en
  • DE622385C - Free running sewing machine hook : de en
  • GB439152A - Improvements in or relating to electrical condensers having slow motion drives : en
  • US2022052A - Belt drive : en
  • PL22256B1 - A piston machine with a stainless cylinder interior and stainless moving parts. : en pl
  • SU45172A1 - Piston one-valve concrete pump : en ru
  • US2022395A - Butterfly valve : en
  • ES138802A1 - A procedure for dyeing leather. : en es
  • FR790620A - Improvement in aircraft engines with supply fan and additional compressor : en fr
  • FR790711A - Folding vertical antenna : en fr
  • GB438904A - Improvements in belt tensioning devices : en
  • GB438937A - Improvements in book form savings banks : en
  • USD97629S - Design for a carpet : en
  • DE1355815U - : de en
  • FR790793A - Improvements to modulated carrier wave transmitters : en fr
  • US2022501A - Seam for bags : en
  • SU45058A1 - Corridor dryer for wood : en ru
  • SU45216A1 - Automatic chlorinator : en ru
  • FR790969A - Electromagnetic speaking machine with phonogram support in the form of a ribbon or metal wire : en fr
  • GB439122A - Improvements in or relating to food for poultry : en
  • DE622287C - Fountain pen with two individual holders that can be displaced in a sleeve forming the holder shaft : de en
  • ES139653A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CHILDREN'S STROLLERS, CHAIRS WITH WHEELS FOR THE DISABLED, HAND TRUCKS AND ANALOGUES : en es
  • GB439063A - Method and machinery for making concrete roads : en
  • CH181073A - Electric switch. : en fr
  • SU45132A1 - Kolovratny engine : en ru
  • AT143576B - Process for venting vessels, in particular incandescent lamp bulbs. : de en
  • AU2252435A - Tool for working wood andthe like : en
  • PL22287B1 - A method of reviving an oil deposit by heating the bottom of a borehole. : en pl
  • SU44907A1 - Brush : en ru
  • DK50934C - Three-winged Sign. : da en
  • BE411667A - : en
  • AT143577B - Flashlight. : de en
  • ES138238A1 - Improvements in the procedure of making baskets for rustic and similar jobs. : en es
  • US2022532A - Spring forming and quenching machine : en
  • BE411552A - Process for the production of lacquers and colored coating compositions : en fr
  • CH181116A - Wire radio distribution system with program selection. : de en
  • BE411632A - : en
  • FR790749A - New product to make curls or curls with the hair : en fr
  • FR790946A - Method and device for artificially tempering materials to be transformed into foam or similar products : en fr
  • GB438940A - Improvements in flame cutting machines : en
  • US2022514A - Wave signaling system : en
  • US2022557A - Package tie : en
  • CH181098A - Arc lamp for irradiation purposes. : de en
  • CA354389A - Interlocking shingle : en fr
  • CH181141A - Door buffers on car doors. : de en
  • DK50938C - Vending machine for Stamps, Savings Stamps and similar Stamps. : da en
  • US2022027A - Carburetor : en
  • SU45184A1 - Scissors : en ru
  • ES139706A1 - Perfections in the construction of fountain pens. : en es
  • US2022286A - Movable eye structure for figure toys : en
  • CH181132A - Device for transporting boxes and the like. : de en
  • DE622426C - Length cutter for paper, cardboard u. like. tracks : de en
  • AT143596B - Vanity or the like. : de en
  • CH180908A - Device for automatic spreading of ceramic masses from rotating plates. : de en
  • CH181144A - Collapsible motorcycle hood. : de en
  • AT143625B - Process for the pretreatment of castings produced in permanent molds, in particular centrifugal cast pipes, for paints and other coatings. : de en
  • SU44965A1 - Method of commercial radiotelephony : en ru
  • SU45135A1 - Apparatus for using metal and similar gases as fuel for autotractor internal combustion engines : en ru
  • CH181146A - Impeller for rail vehicles, in which the hub, the rim and the wheel part connecting the two parts are made of one piece. : de en
  • CH181122A - Apparatus for producing vibrating light effects. : de en
  • CA354359A - Diesel engine locomotive starter : en fr
  • CA354458A - Web splicing device : en fr
  • CH181170A - Process for making reflex copies. : de en
  • US2022527A - Mixing machine : en
  • AT143746B - Shortwave receiving device. : de en
  • CH181102A - Oxygen releasing shaving agent. : de en
  • DE622279C - Process for the discharge of the excess pressure gases from a pressure vessel : de en
  • ES139740A1 - Procedure to produce monoazo dyes. : en es
  • GB438995A - Improvements in or relating to non-refillable bottles : en
  • GB439043A - Improvements in pick heads or stocks : en
  • AT143591B - Material feed device for filling scales. : de en
  • AT143611B - Protective bell for valves to be installed below street level. : de en
  • AT143680B - Motor vehicle with a car body which also forms the chassis frame. : de en
  • AT143595B - Device for maintaining the temperature of bodies. : de en
  • CA354435A - Separable fastener : en fr
  • CH181079A - Cartridge fuse, in particular for high voltage direct current. : en fr
  • CH180986A - Jass game set. : de en
  • CH181054A - Device for airless fuel injection in internal combustion engines. : de en
  • CH180905A - Boiler with firing. : de en
  • GB438808A - Improvements in or relating to devices for impressing or indenting metal strip : en
  • DE622380C - Track scales with a stop device for the vehicle in its weighing position : de en
  • FR790619A - Further training in aircraft engines with supply fan and additional compressor : en fr
  • FR790945A - Process for preparing olefin polymerization products : en fr
  • DE622293C - Metal vessel with ring closure : de en
  • CH180950A - Cutter. : de en
  • CA354462A - Pile fabric manufacture : en fr
  • DE622427C - Wheel axle for vehicle trailers : de en
  • FR790964A - Process and machine for continuous bag making : en fr
  • DE622478C - Air-compressing injection internal combustion engine with self-ignition and an air reservoir : de en
  • ES139187A1 - Improvements in the layout of thermionic valve circuits. : en es
  • ES4211U - Automatic brake for the maneuvering belt of the roller blinds. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790702A - Fixing of coloring or vitrifiable materials by heat treatment : en fr
  • FR790773A - Improvements to high-frequency coupling systems : en fr
  • PL22273B1 - Device for producing carbon dioxide. : en pl
  • US2021957A - Combination latch and lever for car doors : en
  • US2022121A - Tire cover : en
  • US2022413A - Treatment of textile materials : en
  • US2022619A - Method of chlorination : en
  • DE622375C - Containers for toothbrushes or similar stick-like objects : de en
  • ES139478A3 - A method of manufacturing wool and steel shavings starting from strip. : en es
  • FR790632A - Improvements to disintegrators : en fr
  • SU45144A1 - Coupling for connecting flexible metal hoses to steam boiler fitting : en ru
  • US2022078A - Light transmitting cover for light sources : en
  • ES139579A1 - Improvements in the construction of vehicle boxes. : en es
  • FR790820A - Device to facilitate the removal of their supports for wallpapers, posters or other papers fixed by gluing : en fr
  • ES4197U - Filters of cotton or other vegetable fibers applicable to milk and all kinds of liquids and filterable substances (Machine-translation by Google Translate, not legally binding) : en es
  • DE622439C - Apparatus for the manufacture of pull-fuse packages consisting of a wound-up pull-wire packaging strip and a perforated base connected to it : de en
  • DE622430C - Brake valve : de en
  • DE622574C - Bar gripper : de en
  • DE622297C - Device for drying prints of all kinds u. Like. By blowing dry air and immediately following suction of the dry air : de en
  • ES139672A1 - A system apparatus perfected to determine the profile of a road or a road. : en es
  • GB439098A - Improvements in and relating to sewing machines : en
  • AT143763B - Respiratory systems. : de en
  • ES139577A1 - Perfections in the machine guns. : en es
  • US2022568A - Gas burner : en
  • IE13306L - Stoves : en
  • GB438804A - Directional radio transmitting arrangements particularly applicable for determining bearings : en
  • GB439142A - Improvements in wide aperture objective systems for photography and kinematography : en
  • DE622583C - Relieved welded connection of pipes : de en
  • SU45118A1 - Cash dispenser : en ru
  • DE622295C - Device for winding up wires, threads, cables or similar winding material : de en
  • ES139793A3 - Improvements in the manufacture of respiratory filters applicable to gas masks. : en es
  • BE411585A - Production process of monoazo dyes : en fr
  • DK50939C - Procedure for the production of krypton and xenon from atmospheric air. : da en
  • ES139567A3 - A procedure for varnishing wires and other materials. : en es
  • ES139649A3 - Machine for bagging powdery or grain materials. : en es
  • FR790980A - Non-magnetic steel articles having high strength, draw limit, elongation and hardness : en fr
  • BE411688A - : en
  • CA354378A - Barbituric acid : en fr
  • CA354465A - Scaffolding clamp : en fr
  • ES139152A1 - A process for the manufacture of rubberized permeable fabrics. : en es
  • ES139423A1 - An apparatus that generates artificial air to provide a breathable atmosphere inside a protective cover of the human body against the action of deadly and toxic gases. : en es
  • FR790966A - Connection device for cinematographic apparatus with photo-electrically directed incandescent lamps, and comprising gas discharge tubes with double anode : en fr
  • SU44912A1 - Continuously expandable self-burning electrode : en ru
  • SU45173A1 - Aerodynamic Sailing Brake : en ru
  • US2022119A - Molding : en
  • US2022213A - Joint : en
  • SU44915A1 - Method for concentrating salt solutions without external heat approach : en ru
  • US2022053A - Combined telephone and telegraph system : en
  • FR790790A - Gun cleaning brush : en fr
  • US2021899A - Treatment of cheese : en
  • FR790883A - High or medium frequency amplifier assembly : en fr
  • SU44962A1 - The method of separation of the circuits in the telephone translation or transition differential device : en ru
  • SU45152A1 - The way to clean nickel baths from contaminating zinc : en ru
  • PL22212B1 - Method for producing fuel for internal combustion engines. : en pl
  • SU45069A1 - A method of manufacturing a layered mass for bearings : en ru
  • SU45056A1 - A device for greasing the veneer with glue by moving the sizing roller to it : en ru
  • DE622370C - Method and device for revitalizing washing oil : de en
  • ES139785A1 - A mechanism for loading the shuttle coil of sewing machines. : en es
  • DE622309C - Flexible connector for bare electrical lines : de en
  • DE622520C - High voltage fuse : de en
  • DK50945C - Pump for the production of air foam, in particular for firefighting purposes. : da en
  • GB438934A - Improvements in or relating to electrolytic condensers : en
  • GB439103A - Improvements in or relating to radio receiving systems and circuits and apparatus therefor : en
  • FR790870A - Improvements to so-called pastry boxes : en fr
  • GB439016A - Improvements in tooth cleaning implement : en
  • GB439159A - Improvements in or relating to electron disharge devices : en
  • DE622345C - Process for the preparation of 3-aminopyridine : de en
  • FR790789A - Gasoline vaporizer : en fr
  • GB439021A - Improvements in and relating to road markings for controlling traffic : en
  • BE411775A - Ball for soccer, rugby, basketball, etc. : en fr
  • ES139680A1 - Procedure for obtaining unsaturated pregnanodiones. : en es
  • FR790878A - Method of manufacturing a magnetizable material for high frequency devices, in particular for the cores of high frequency coils : en fr
  • FR790973A - Device for applying glue to materials intended to cover surfaces or for the manufacture of coated or complex substances : en fr
  • GB438858A - Improvements in or relating to tooth brushes : en
  • GB439070A - Improvements in or relating to storage cookers and the like : en
  • DK50933C - Sealing for Pipelines by Implementing These Through Walls and Floor Separations. : da en
  • ES139038A1 - A new procedure for the pasteurization of wines, vermouths and other beverages. : en es
  • ES139775A1 - Internal combustion radiator. : en es
  • DK50960C - Method for producing a flexible, oil-resistant rubber composition and articles formed therefrom. : da en
  • US2022371A - Machine for making paper box blanks : en
  • PL22232B1 - A set of partition guides in mixers and similar devices. : en pl
  • US2022105A - Revoluble sign and means for operating the same : en
  • ES139763A3 - Procedure of gumming fabrics of all kinds. : en es
  • GB438998A - Improvements in landing gears for aeroplanes and other shock-absorbers : en
  • AT143787B - Device to improve the circulation in circulation water purifiers. : de en
  • AU272327B2 - Mastectomy form : en
  • FR790802A - Folding box spring bed for hospitals and other similar applications : en fr
  • FR790915A - Device for bundling rolled bars cut to length : en fr
  • DE622328C - Cigar cutter : de en
  • SU44949A1 - Regulator of steam inflow to air compressor in pneumatic brakes : en ru
  • US2021882A - Meter for liquids : en
  • US2022363A - Wall facing and wall-facing anchoring means : en
  • PL22317B1 - The method of making glasses. : en pl
  • SU44914A1 - Rotary hydraulic or pneumatic motor : en ru
  • US2022131A - Combination fender well tire holding and covering means : en
  • US2022473A - Method of rerecording sound : en
  • ES4240U - Unshakable semi-rigid tank intended for liquid fuel for aircraft. (Machine-translation by Google Translate, not legally binding) : en es
  • US2022522A - Lamp shade support : en
  • ES4205U - Articulated metal plates toy (Machine-translation by Google Translate, not legally binding) : en es
  • USD97621S - Design for a textile fabric : en
  • CH180967A - Process for the production of highly viscous, permanent adhesive or casting compounds, in particular for the treatment of road surfaces. : de en
  • US2022346A - Combined collar bar and necktie ornament : en
  • US2022350A - Braid elastic fabric and method of making the same : en
  • US2022436A - Convertible upright drill : en
  • FR790932A - Improvements to the manufacture of tire casings and to the sleeves used for this purpose : en fr
  • CH181089A - Safety device on gas burners equipped with a pilot flame. : de en
  • DE622512C - Soft key device for multi-stage, modulated transmitters : de en
  • US2022414A - Lock alarm : en
  • US2021883A - Wall flashing : en
  • PL22208B1 - Method of separating waste from coal. : en pl
  • CA354396A - Electric valve converting system : en fr
  • CH180943A - Wide dyeing machine with fabric return, so-called jigger. : de en
  • CH180962A - Process for the preparation of an azo dye. : de en
  • SU45221A1 - Device for changing shuttles on weaving machines when operating two shuttles : en ru
  • US2021932A - Process of dyeing : en
  • AT143587B - Filling scale. : de en
  • DE622358C - Device for automatic control of the paper web tension in printing machines : de en
  • DE622397C - Store drive : de en
  • DE622477C - Detachable fastening devices for tools on agricultural tillage implements, especially hand hoes : de en
  • CA354448A - Wire cable : en fr
  • AT143663B - Non-flammable detonating cord cover. : de en
  • AT143730B - Cylindrical developing vessel for films. : de en
  • CA354334A - Door fastener : en fr
  • SU45002A1 - A method of measuring the time of ignition of a thyratron : en ru
  • SU45039A1 - Blood Transfusion Device : en ru
  • US2022430A - Valve and float : en
  • US2022526A - Mixing machine : en
  • PL22206B1 - A method of reducing ores and a furnace for carrying out the method. : en pl
  • AT143664B - Hydrocyanic acid (or poison gas) developing tablets or powder mixtures. : de en
  • CH181042A - Storage for pumps. : de en
  • FR790936A - Improvements to porous elastic fabrics and their production : en fr
  • FR790939A - Portable electric press for vulcanizing objects made of rubber or other similar materials : en fr
  • FR791000A - Improvements to electronic variable slope lamps : en fr
  • SU45161A1 - The method of obtaining wood pulp and hemicellulose : en ru
  • US2022274A - Method for drying alcohols and esters : en
  • US2022295A - Head lamp : en
  • US2022298A - Paper making machine : en
  • DE622470C - Airborne sound-absorbing wall covering panel for the production of reverberation-absorbing wall coverings : de en
  • FR790952A - Refrigeration device : en fr
  • CA354398A - Solder flux applying device : en fr
  • CH180934A - Twisting machine with device for achieving an even twist. : de en
  • CH180975A - Typewriter. : de en
  • DE622412C - Shaking device for vacuum cleaner filter : de en
  • DE622459C - Arrangement for manual volume control for superheterodyne receivers : de en
  • PL22237B1 - Device for preserving meat in pieces. : en pl
  • US2022548A - Divisible flat for greenhouses : en
  • US2022562A - Propeller : en
  • AT143654B - Method of preventing soaps from going rancid. : de en
  • US2022174A - Wheel and brake mechanism : en
  • US2022388A - Electric switch : en
  • AT143575B - Small vehicle dry-type rectifier assembled with the electric collector to be charged. : de en
  • CH180898A - Adjustable iron pillar clamp. : de en
  • DE622407C - Circuit arrangement for the electrical lighting system on a vehicle with a magneto-electric alternator : de en
  • FR790635A - Continuous closure with operating slide : en fr
  • FR790784A - direct heat exchanger between the combustion products of gas and air : en fr
  • FR790923A - Improvements to ignition magnetos : en fr
  • ES139781A3 - Improvement in the manufacturing process of sheet metal wheels for automobiles. : en es
  • AT143737B - Revenue device for coins or the like. : de en
  • PL22324B1 - A darning device with a sewing machine. : en pl
  • SU45054A1 - Composite bracket for paired connection of transverse linings in the manufacture of shields of reeds, straw and similar materials : en ru
  • AT143593B - Tin cans, in particular cans of tins. : de en
  • FR790895A - New buoyant metal rowing system : en fr
  • ES4193U - A quick open-envelopes (Machine-translation by Google Translate, not legally binding) : en es
  • DE622378C - Process to increase the wear resistance of forged or pressed pistons : de en
  • US2022069A - Filter : en
  • AT143756B - Light stabilizers. : de en
  • US2022524A - Apparatus for filtering liquids or separating solids from liquids : en
  • ES138573A1 - Procedure to purify the juices destined to the manufacture of the sugar and for the utilization of the sugary juices of the sugar cane, as well as of other vegetable juices whose action on the animal economy is beneficial, when using them as baby : en es
  • GB439057A - Improvements relating to arrangements for withering tea leaf : en
  • US2021935A - Motor vehicle : en
  • USD97630S - Design foe a box with a movable : en
  • USD97646S - Design fob a ventilator casing : en
  • AT143678B - Ring lubrication for axle bearings. : de en
  • CA354336A - Coin holder : en fr
  • US2022372A - Lead pot : en
  • ES139755A1 - IMPROVEMENTS IN THE MANUFACTURE OF HARDENED STEEL SHEET ROTORS FOR SYNCHRONIC AUTOMATIC STARTING MOTORS WITH A MULTITUDE OF GROOVED POLES : en es
  • CH180998A - Addition and subtraction machine, in particular for card and billiard players. : de en
  • AU2091835A - Improvements in or relating to annealing processes and furnaces : en
  • DK50947C - Combined Lock and Alarm Mechanism for Bicycles. : da en
  • CH181112A - Self-seller of electricity. : de en
  • CH181106A - Gas mask window. : de en
  • AT143739B - Apparatus for cutting and transferring strips of a sheet of paper fed through a device. : de en
  • AT143633B - Process for the selective flotation of lead-zinc ores. : de en
  • US2022080A - Tractor : en
  • CH180919A - Sun protection devices, in particular for shop window displays. : de en
  • AT143629B - Process and device for the production and post-treatment of rayon threads and other artificial structures. : de en
  • CH181151A - Control device for aerial vehicle. : en fr
  • ES139642A1 - An egg incubator machine. : en es
  • AT143752B - Discharge tube with an oxide cathode. : de en
  • CA354454A - Fuel combustion apparatus : en fr
  • CA354402A - Milking machine : en fr
  • US2021913A - Roller for conveyer furnaces : en
  • AT143688B - Shock transmission device for the underframes of rail vehicles with central buffer coupling. : de en
  • CA354446A - Preselective speed gear : en fr
  • USRE19764E - Welding process : en
  • CH181007A - Process for the production of sintered hard metal fittings. : de en
  • CH181040A - Water jet air blower. : de en
  • DE622387C - Method and device for producing folding grooves in paper containers : de en
  • SU45094A1 - Sound Recording and Playback Method : en ru
  • US2022366A - Gate and lens structure for moving picture film : en
  • CH180993A - Device for determining the movements of a point in space. : de en
  • AT143670B - Egg incubator with fresh air preheater heated by the incubation air. : de en
  • AT143588B - Extending table. : de en
  • CH181118A - Ultra-short wave reflector. : de en
  • CH181158A - Process for the preparation of a new heterocyclic sulfonic acid. : de en
  • US2022263A - Clock and method of making same : en
  • CA354456A - Rolling mill feeding apparatus : en fr
  • IE13865L - Oil fuels : en
  • AT143662B - Process for making baked goods from strudel dough. : de en
  • BE411837A - : en
  • SU44990A1 - Device to protect electrical AC installations from the effects of tilting : en ru
  • SU45149A1 - Heat insulating mass for locomotive and other boilers : en ru
  • US2022239A - Suction nozzle : en
  • CA354447A - Printing press spraying device : en fr
  • CH181022A - Method and device for the production of masks from leather or leather-like synthetic materials in drawing molds. : de en
  • CH181162A - Process for the production of 1,2-diaminobenzene. : de en
  • AT143681B - Motor vehicle with an independent drive unit. : de en
  • US2022534A - Vapor discharge device : en
  • DE622564C - Protective spark gap arrangement : de en
  • CH180933A - Process for the production of threads or fibers of a wool-like character from cellulose solutions. : de en
  • CA354404A - Moistureproof material : en fr
  • CA354407A - Vat dyestuff : en fr
  • SU44945A1 - Smoke chamber (front fire) for locomotives : en ru
  • US2022167A - Means of storing motor vehicles : en
  • USD97634S - Design for a radiocabinet : en
  • AT143767B - Electric discharge tube or incandescent lamp. : de en
  • FR790685A - Spiral propeller : en fr
  • AT143702B - Holding device for the supply of pressure medium to a container, in particular in the case of compressed air brake devices for motor vehicles. : de en
  • AT143713B - Storm protection for undercarriages moving in a certain path, especially loading bridges and the like. like : de en
  • SU45060A1 - Clamp clamp for connecting a pack of boards using toothed brackets, dowels, etc. : en ru
  • AT143636B - Process for the production of photographic layers and the production of images with their help. : de en
  • AT143555B - Control for double-acting, flywheelless piston steam engines. : de en
  • AT143755B - Arrangement for multiple use of a discharge. : de en
  • AU2231535A - Improvements relating to photographic material use in connexion therewith : en
  • US2022630A - Automobile service equipment : en
  • AT143648B - Process for the production of non-penetrating and non-smearing carbonless ink coverings on substrates such as carbonless paper, carbonless forms and the like. like : de en
  • DE622291C - Device for manufacturing packaging sleeves : de en
  • DE622410C - Drip device, especially for medical vessels : de en
  • GB439012A - Improvements in paper making : en
  • CH181126A - Device for clamping the umbrella pole of standing umbrellas inserted into a standpipe. : de en
  • AT143615B - Process for welding butt joints. : de en
  • GR5535B - WINDOW WITH HORIZONTAL TURNING AXIS AND SPECIAL ACCESSORIES. : el en
  • CA354414A - Antiknocking fuel : en fr
  • AT143599B - Process for the production of hollow, lined steel rods for rock drills. : de en
  • CA354408A - Isobutylene polymer production : en fr
  • CH181125A - Tray for mountain bags. : en fr
  • CH180897A - Casement window construction. : de en
  • US2021950A - Index card : en
  • US2022580A - Ski binding : en
  • DE622524C - Electrically heated hob : de en
  • PL22276B1 - A method for the concentration and separation of gas mixture components and a device for carrying out this method. : en pl
  • SU45218A1 - Automatic chlorinator : en ru
  • US2022615A - Fly swatter : en
  • AT143661B - Process for the production of colored wax compounds. : de en
  • DE622533C - Device for regulating the ignition of internal combustion engines : de en
  • CH181173A - Fluid change gear, which has at least one propeller wheel each for the pump and for the turbine. : de en
  • US2021892A - Spare tire cover : en
  • US2022509A - Vapor electric discharge device : en
  • CA354371A - Cream separating milk bottle : en fr
  • CH181163A - Process for the production of a new azo dye. : de en
  • AT143613B - Box lock with lifting latch that can be used on the right and left. : de en
  • FR790815A - Improvements to sound reproduction devices : en fr
  • FR790884A - Process for the electrolytic separation of shiny tin precipitates : en fr
  • AT143620B - Manufacture of objects that must be resistant to attack by decarburizing gases, especially at high temperatures and pressures. : de en
  • CH181020A - Manufacturing process of composite wood and composite wood produced by this process. : en fr
  • ES139761A3 - Process for manufacturing wire cores of all kinds as inner reinforcement for tire beads. : en es
  • US2022594A - Fit form drier : en
  • CH180942A - Knitted fabric. : de en
  • CH180979A - Device for the photographic transfer of a plurality of individual images by combining them to form an overall image. : de en
  • DE622416C - Process for the manufacture of products containing rubber and asbestos : de en
  • DE622457C - Method and arrangement for reducing electrical interference when receiving high-frequency vibrations : de en
  • ES3640Y - Device to protect the trees from the plague of ants and other climbing insects. : en es
  • CH181081A - Installation with electric discharge device. : en fr
  • PL22336B1 - A device for regulating the pressure of pneumatic or hydraulic brakes. : en pl
  • PL22252B1 - Device for determining the beginning and end of a line in typewriters, recording machines and the like. : en pl
  • US2022314A - Electrical resistor and its manufacture : en
  • AT143749B - Radio receiver. : de en
  • CA354362A - Stove : en fr
  • CH180920A - Dowels. : de en
  • AU2052934A - Improvements in or relating tothe saponification of cellulose esters : en
  • CA354460A - Garment measuring device : en fr
  • CH181013A - Welding electrode. : en fr
  • CH180965A - Process for the production of a bronze powder with a high gloss and buoyancy. : de en
  • CA354428A - Printing scale : en fr
  • CH181083A - Electron tube. : de en
  • PL22266B1 - A device for adjusting a type cylinder in an electric typewriter. : en pl
  • US2022059A - Terminal strip device : en
  • US2022185A - Fungicide : en
  • US2022539A - Rotary stencil printing apparatus : en
  • FR790764A - Device for cleaning boilers and other tubular heat exchanger devices : en fr
  • DE1355318U - : de en
  • GB438836A - Improvements in or relating to poppet valves for internal-combustion engines : en
  • GB438973A - Improvements in or relating to clinometers : en
  • AT143788B - Cast crankshaft for internal combustion (diesel), steam engines, etc. like : de en
  • US2021956A - Cellular aggregate and process : en
  • US2022037A - Dehydration of caustic : en
  • US2021960A - Method of making expansion domes for tanks : en
  • SU44885A1 - Magnetic separator for flour or similar materials. : en ru
  • AT143765B - Tube amplifier. : de en
  • AT143556B - Rotary compressor. : de en
  • SU45229A1 - Animal fiber dyeing : en ru
  • AT143651B - Procedure for protecting exposed wood against bearing damage. : de en
  • CA354439A - Draft and buffing gear : en fr
  • CH181084A - Arc converter. : de en
  • CA354349A - Holder for dispensing materials : en fr
  • CA354464A - Sash cord support : en fr
  • PL22243B1 - Axial bearing with adjustable lower bushing, especially for vehicles running on rails. Patent dependent on claims 5-7 of patent No. 15831. : en pl
  • US2022271A - Oil can : en
  • AT143686B - Steering arrangement for independently guided wheels, in particular of motor vehicles. : de en
  • US2022420A - Process for treating lactic fluids : en
  • AT143785B - Dowels for walls or the like. : de en
  • CH181076A - Electric switch. : de en
  • FR790808A - Selector device for individually movable pressing plates in rectilinear hosiery looms with picking : en fr
  • SU45125A1 - Conveyor to harvesting machines, for example, flax-pulping : en ru
  • US2022180A - Method of and means for separation and sorting : en
  • US2022492A - Phonographic apparatus : en
  • AT143669B - Air cushioning for harnesses, saddles, etc. like : de en
  • CH180994A - Inclinometers for vehicles. : de en
  • AT143689B - Leaf spring. : de en
  • SU45036A1 - Suspended combustion furnace : en ru
  • SU45160A1 - Caramel loaf making machine : en ru
  • US2022232A - High pressure barrel pump : en
  • PL22239B1 - A method of vulcanizing rubber belts, plates or similar, and apparatus for carrying out the method. : en pl
  • US2022210A - Garment sleeve ironer : en
  • PL22267B1 - A method of electrowinning metal coatings and an apparatus for carrying out the method. : en pl
  • SU45231A1 - Method for elimination of secondary emission from deflecting electrodes of cathode tube : en ru
  • AT143622B - Process for the production of artificial structures from cellulose esters. : de en
  • AU2023334A - Improvements in method of preparing whey concentrates : en
  • CH181027A - Two-piece button, especially for quilts. : de en
  • GB439180A - Improvements in or relating to the manufacture of vat dyestuffs : en
  • CH180893A - Building plate, process for its manufacture and equipment for carrying out the process. : en fr
  • USD97651S - Design fob an embroidered fabric : en
  • FR790637A - Electro-magnetic valve : en fr
  • FR790974A - Method and apparatus for making grain coated sheets, such as sanding sheets : en fr
  • FR790688A - Alumina manufacturing process : en fr
  • ES4203U - Belted shirts for a better fit to the body (Machine-translation by Google Translate, not legally binding) : en es
  • GB439058A - Improvements in method of treating a graphite body : en
  • CH180999A - Electric motor for driving film in apparatus for recording and reproducing photographic sound recordings. : de en
  • SU45120A1 - Device for supplying electrical energy to agricultural machines : en ru
  • SU45204A1 - The way of hoisting the tow rafts of towing cart to the stalls : en ru
  • US2022096A - Synchronized power transmission mechanism : en
  • US2022209A - Trouble lamp : en
  • CH181094A - Electric light bulb with two filaments to be used one after the other. : de en
  • GB438953A - An improved method of constructing reinforced concrete floor, ceiling and like slabs : en
  • ES139738A1 - PROCEDURE FOR THE MANUFACTURE OF WOOD BARRELS : en es
  • SU44963A1 - Shift and inversion of the frequency spectrum : en ru
  • ES3757Y - Device for fishing without a rod. : en es
  • GB438879A - A new or improved leg rest : en
  • AT143632B - Process for the production of finely crystalline barium and calcium sulfate. : de en
  • AT143647B - Process for the production of rubber threads. : de en
  • CH181072A - Cable connection device on a plate made of insulating material. : de en
  • DE622382C - Travel divider for mowing machines : de en
  • ES139777A1 - Apparatus for filling the free spaces of bills of exchange or similar applications. : en es
  • SU44933A1 - Mode of emission of unsaturated esters : en ru
  • SU45148A1 - Composite casing for heat insulation of pipe flange : en ru
  • US2021910A - Preparation of calcium sulphate : en
  • AT143733B - Card index box. : de en
  • CA354337A - Key-locked fastener : en fr
  • CH180973A - Ribbon for printing characters. : de en
  • US2022304A - Grease retainer : en
  • PL22219B1 - : en pl
  • AT143589B - Printing device for scales. : de en
  • FR790976A - Method and apparatus for the manufacture of agglomerated granular bodies, and products resulting therefrom : en fr
  • DE622206C - Circuit arrangement for automatic and semi-automatic telephone systems : de en
  • DE622363C - Process for the production of an artificial ice sheet : de en
  • ES139431A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • AT143722B - Feedback circuit for cathode ray tubes with control electrode for the purpose of optical sound recording, television or the like. : de en
  • US2021980A - Collapsible carton : en
  • PL22262B1 - Forceps to attach bipartite features to the ears of animals and the related ear feature. : en pl
  • DE622319C - Device for cleaning hollow plywood bodies : de en
  • ES139635A1 - Relay arrangement of great sensitivity. : en es
  • FR790795A - Coffee roasting process : en fr
  • GB439000A - Improvements in or connected with electron discharge devices : en
  • GB439129A - Improvements in or relating to printing upon porous sheet material : en
  • ES139638A1 - Improvement in the studs for firearms for hunting. : en es
  • DE622526C - Method and device for the production of wired glass : de en
  • US2022333A - Heating cabinet : en
  • US2022624A - Self-priming rotary pump : en
  • US2022157A - Nonrun knitted fabric : en
  • US2022470A - Process of making pectous material and product : en
  • ES4204U - Sprocket for metal lattice manufacturing machine. (Machine-translation by Google Translate, not legally binding) : en es
  • FR790601A - Removable mounting system for electric accumulator plates on their assembly comb : en fr
  • ES4210U - A special ear for buckets and other similar containers (Machine-translation by Google Translate, not legally binding) : en es
  • FR790897A - Card holder with index card guard : en fr
  • GB439169A - Improvements in or relating to the manufacture of moulding powders : en
  • GB438955A - Improvements in or relating to wire ropes : en
  • AT143734B - Methods and devices for photographing documents or the like. : de en
  • CH181139A - Automobile. : de en
  • DE622475C - Automatic shooting game with compressed air pistol : de en
  • ES4208U - A spin for games of chance (Machine-translation by Google Translate, not legally binding) : en es
  • FR790947A - Electromagnetic circuit breaker with cut-off of the neutral conductor : en fr
  • GB439060A - Improvements in or relating to garments for ladies' wear : en
  • US2022517A - Radio echo altimeter : en
  • USD97622S - Design for a woven textile fabric : en
  • SU45063A1 - Compression Punch Mold : en ru
  • SU45195A1 - Tennis training device : en ru
  • PL22242B1 - Self-lung displacement oxygen supply breathing apparatus for use at great altitudes. : en pl
  • US2022148A - Self propelled loader : en
  • AT143640B - Process and apparatus for the continuous bleaching of pulp. : de en
  • ES139180A1 - Central lubrication device. : en es
  • FR790757A - Hitching device for trailers and others : en fr
  • FR790819A - embryotomy crusher : en fr
  • GB439171A - Improvements in gearing for agricultural machines : en
  • PL22249B1 - A device for clamping the composition of types. : en pl
  • US2022622A - Floor and beam construction : en
  • CH181009A - Process for the production of compact magnesium metal from magnesium dust. : de en
  • CH181033A - Hydraulic energy transmission device. : en fr
  • FR790845A - Device for fixing a plate or a nozzle in a wall made of wood or similar material : en fr
  • DE622289C - Gas-tight door lock for air raid shelter : de en
  • PL22215B1 - A method of producing a material from cork and alkaline binders, suitable for the construction of floors, walls, road surfaces and similar purposes. : en pl
  • SE84945C1 - : en
  • DE622496C - Receiver device using a tube operating in a braking field circuit with a coupled vibration system : de en
  • PL22213B1 - A method of producing a nutrient and medicinal product for bees. : en pl
  • FR790818A - Automatic brake and damper for throwing bars in hosiery looms : en fr
  • GB438915A - Improvements in vacuum pumps of the condensation or diffusion type : en
  • US2022224A - Piston : en
  • SU45190A1 - Device for transmitting meter readings on call : en ru
  • DE622392C - Latch release device for one of the two consecutive doors of a double or box door arrangement : de en
  • DE622390C - Rangefinder for photographic use : de en
  • ES4196U - Tap tap. (Machine-translation by Google Translate, not legally binding) : en es
  • AT143784B - Device for raising and lowering the upper feed rollers of saw frames. : de en
  • DE622384C - Lockstitch sewing machine for sewing welding leather in hats : de en
  • CH180929A - Tin can. : de en
  • DE622480C - Process for the production of absorbent, oxidic carrier layers for photographic images : de en
  • US2021919A - Water treating apparatus : en
  • US2021944A - Railway traffic controlling apparatus : en
  • FR790683A - Angled and tapered valve box for instant wells : en fr
  • FR790882A - Medium frequency amplifier : en fr
  • GB439097A - Improvements in and relating to automatic lathes : en
  • US2022515A - Temperature measuring device : en
  • FR790651A - Direction indicator of the type of indicators for automobiles : en fr
  • US2022365A - Work guide and withdrawal regu : en
  • GB439069A - Improvements in indicators for electric lighting systems : en
  • FR790618A - Device allowing the exchange of energy between an alternating current network and a direct current network : en fr
  • FR790661A - Process for manufacturing oxyarylaminoanthracene derivatives : en fr
  • DE622585C - Process for the production of colored aluminum oxide layers : de en
  • CA354340A - Mercurial pressure gauge : en fr
  • CH181052A - Pistons for internal combustion engines. : de en
  • USD97589S - Design for a shoe : en
  • ES139764A3 - Preparation procedure of cord fabrics for the manufacture of tires. : en es
  • FR790647A - Gasket packing : en fr
  • SU45007A1 - X-ray tube feeder : en ru
  • SU45188A1 - Device for signaling the shutdown of electrical installations, such as transformers : en ru
  • US2022330A - Synchronous telegraver system : en
  • BE411722A - : en
  • FR790684A - Skill game : en fr
  • SU45112A1 - Hydraulic models for solving problems of heating and cooling solids and propagation in thermal systems : en ru
  • AT143653B - Process for the production of extract from whales, seals and other marine mammals. : de en
  • AT143697B - Air brake. : de en
  • FR790614A - Process for making non-shrinkable fabrics from vegetable fibers : en fr
  • FR790733A - Method and device allowing, in a station of t. s. f., to realize the single control without inverter or circuit switch and to carry out the agreement on a range between 1,800 and 125 kc : en fr
  • FR790643A - Control device for the rotating funnel in the drawing benches : en fr
  • AT143569B - Acoustic apparatus. : de en
  • US2022067A - Feed-back circuits : en
  • US2022033A - Heating system : en
  • US2022563A - Process and apparatus for the formation of channels in sheets of cardboard, corrugated cardboard, or the like : en
  • FR790766A - Electrolytic capacitor and its manufacturing processes : en fr
  • PL22281B1 - Method for producing ammonium sulphate. : en pl
  • US2022134A - Front motor support : en
  • US2022193A - Float for a fishing line : en
  • US2022321A - Belt conveyer : en
  • PL22274B1 - Method of dressing goose fur and other fleeces of 2 duck families. : en pl
  • SU45131A1 - The way to combat fungal disease of root vegetables : en ru
  • GB438993A - An improved holder for pencils or crayons : en
  • GB439132A - Improvements in hinges : en
  • AT143683B - Device for fuel extraction for fuel containers on motor vehicles. : de en
  • ES3234Y - A three-pole pear-shaped electrical current switch : en es
  • PL22216B3 - The method of producing alcohols. : en pl
  • US2022315A - Distance indicating device : en
  • US2022448A - Guide needle lapping machine : en
  • DE622277C - Method and coating machine for coating liquid coating compounds : de en
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