• AT145329B - Gun attachment for direct and indirect shooting at moving targets. : de en
  • US2038202A - Carrier wave system : en
  • US2038224A - Brake : en
  • US2038436A - Ground fitting : en
  • US2037933A - Treatment of hydrocarbon oils : en
  • AT145302B - Electric hand drill. : de en
  • US2037716A - Process for the graining and surfacing of metal photolithographic and offset press plates : en
  • US2038416A - Machine for leveling and compacting floor covering : en
  • US2037899A - Egg tester : en
  • AT145363B - Regulator with elastic feedback. : de en
  • AT145481B - Parallelogram drawing device. : de en
  • US2038444A - Anticorrosive paint : en
  • USD99341S - Design for a chair : en
  • DE629197C - Drains for liquids, especially steam water : de en
  • FR797021A - Improvements in the heat treatment of agglomerated solids, such as briquettes, or in the distillation or heat treatment of carbonaceous solids : en fr
  • GB445788A - Improvements in and relating to the manufacture of artificial threads, filaments andthe like : en
  • AT145464B - Circuit for keeping electrical voltages constant by means of non-ohmic conductors. : de en
  • US2037701A - Machine or apparatus for use on railway tracks : en
  • US2038306A - Grillwork : en
  • US2037825A - Package indicia means : en
  • US2037927A - Safety razor : en
  • AT145494B - Process for the production of colored grape juices. : de en
  • AU2218335A - Improved lubricants : en
  • FR797321A - Device for household refuse boxes and collection boxes to ensure dust-free emptying : en fr
  • GB445990A - Vehicle for collecting refuse : en
  • US2037715A - Display card container : en
  • US2038172A - Wooden pipe joint : en
  • US2038506A - Ground light : en
  • US2038400A - Flotation reagent : en
  • AT145411B - Process and devices for the continuous production of pillows filled with short-fiber fleece. : de en
  • US2038426A - Plunger lift apparatus : en
  • US2038264A - Thermostatic controls for liquid fuel burners : en
  • USD99371S - Design for a shoe or similar article : en
  • GB446012A - Improvements in or relating to manoeuvre indicators for use on motor road vehicles, boats and other vehicles : en
  • GB446087A - Improvements in or relating to garden shears and like implements : en
  • USD99402S - Design for a glove : en
  • GB445911A - Improvements in or relating to skinning apparatus : en
  • GB445787A - Improvements in or relating to indicating and/or recording instruments : en
  • DE1370924U - : de en
  • GB445878A - Improvements relating to rotary compressors, superchargers and the like : en
  • GB446033A - Improvements in shaft coupling devices : en
  • US2038359A - Control system : en
  • AT145401B - Electric discharge tube. : de en
  • CA357337A - Hydrocarbon oil processing : en fr
  • CA357245A - Cyanamid granulating method : en fr
  • DE629231C - Can opener and dispenser : de en
  • CA357313A - Communication system : en fr
  • US2038478A - Combination clothes-line reel and pin holder : en
  • GB445976A - Aeroplane landing systems employing electromagnetic waves : en
  • FR797099A - Process for improving vegetable and animal oils and fats and other fatty acid glycerides : en fr
  • US2037711A - Method and apparatus for television : en
  • US2038300A - Burial vault : en
  • DE628975C - Control for two-stroke internal combustion engines : de en
  • FR797359A - Automatic inflation limiter : en fr
  • GB446040A - An anti-waste cock : en
  • AU2437335A - Improvements in dyanamo electric machines : en
  • US2038374A - Paper stock preparation : en
  • AT145330B - Hot cathode with activated surface, especially for gas-filled discharge tubes. : de en
  • AT145478B - Collapsible clothes rack. : de en
  • AT145479B - Price display device for automatic inclination scales with mutually adjustable logarithmic weight and price division. : de en
  • USRE19939E - Tibe and wheel construction : en
  • FR797293A - Improvements to permanent magnets and the alloys used to make them : en fr
  • US2038110A - Amplifier overload indicator : en
  • US2038464A - Display and conditioning stand : en
  • DE629001C - Braking device acting in particular on the towing vehicle when the trailer hits the trailer : de en
  • FR797274A - Control for the fuel pump of four-stroke internal combustion engines with star cylinders : en fr
  • DE629216C - Paints : de en
  • FR797270A - Handheld Electric Dust Vacuum : en fr
  • US2038488A - Spring coiling machine : en
  • DE628881C - Process for operating deflagration chambers, in particular for internal combustion turbines, with coal dust : de en
  • US2038019A - Mulch fertilizer paper : en
  • US2038086A - Polymerization of olefinic gases : en
  • AU2290835A - Apparatus and method of conveying threads : en
  • AU2322735A - Improved apparatus for holding glass plate during tempering : en
  • CA357355A - Chest : en fr
  • US2038145A - Control for sliding wheels : en
  • US2038494A - Method of producing laminated glass : en
  • USD99348S - Design fob lace : en
  • GB446156A - Improvements in or relating to electron discharge devices : en
  • GB445823A - Process for reviving mercurised printing plates : en
  • CA357354A - Water softener : en fr
  • CA357321A - Ventilating apparatus : en fr
  • DE629278C - Manufacture of sponge-like structures from viscose, especially for insulating electrical conductors : de en
  • DK51545C - Coupling to Resonance Indication in Superheterodyne Receivers. : da en
  • DE629060C - Device for maintaining the readiness for parallel switching of several AC power distribution networks : de en
  • DE629154C - Device for the detection of angular velocity errors in cooperating gears : de en
  • DE628947C - Automatically closing flush valve : de en
  • DE628968C - Feed silo : de en
  • GB446072A - Improvements in connection with locks for doors : en
  • USD99419S - Design fob a combined multiple dis : en
  • FR797327A - Device for automatically removing water from hydrants : en fr
  • US2037793A - Fluorescent solid composition : en
  • US2038288A - Combined mixer and fuel supplying means : en
  • FR797137A - Improvements to stapling machines : en fr
  • GB445818A - Devices for the withdrawal of liquids selectively to different levels from containers, and more particularly of fuel from fuel tanks : en
  • DK51547C - Device at Fireplaces for automatic Supply of Secondary Air. : da en
  • DE629173C - Process for the production of a firmly adhering protective layer on a base or a support made of leather, felt, wood, cardboard or the like. : de en
  • US2037929A - Frame construction for mine cars and other vehicles : en
  • DK51541C - Electric Discharge Pipe. : da en
  • FR797180A - Separator dryer : en fr
  • GB445803A - Improvements relating to mortice latches : en
  • FR797251A - Switch for ignition devices : en fr
  • GB445893A - Improvements in or relating to electron discharge device amplifiers : en
  • GB446006A - Vehicle for collecting refuse : en
  • AT145434B - Sealing ring for stuffing box packings. : de en
  • DE629113C - Process for the production of a grid-free partial area in a lenticular film : de en
  • GB445956A - Improvements in and relating to fog lights primarily for vehicles : en
  • IE13804L - Electric discharge lamps : en
  • FR797068A - Machine for making insulating tapes, especially those free of gasoline : en fr
  • GB445967A - Improvements in refrigerating arrangements for ice cream vending machines : en
  • US2037944A - Scouring pad and holder therefor : en
  • US2037986A - Baby carriage : en
  • US2038149A - Drawworks : en
  • AT145407B - Crampon. : de en
  • US2037810A - Control device : en
  • US2037958A - Excavating shovel : en
  • US2037869A - Slack take-up and force multiplier for brakes : en
  • US2037939A - Wear testing machine : en
  • FR797369A - Cloth for waxing and polishing : en fr
  • GB445798A - Improvements in or relating to the manufacture of cigarettes : en
  • FR797130A - Improvements to gear changes : en fr
  • GB446096A - Dispersive electric light fittings for mines or the like : en
  • AT145441B - Device for amplifying photocurrents. : de en
  • FR797244A - Improvements to transmission devices controlled by perforated sheets : en fr
  • GB445954A - Improvements in and relating to cutting mechanism for cigarette making machines : en
  • US2037738A - Plow scarifier : en
  • US2038408A - Cross roller bit : en
  • US2038091A - Method of determining the elasticity of porous packing structures : en
  • US2038268A - Brake : en
  • US2037881A - Cabinet : en
  • FR797101A - Sewing Machine Improvements : en fr
  • AT145382B - Drive mechanism for motion picture projectors. : de en
  • CA357345A - Electroplating machine : en fr
  • FR797078A - Device for the elimination of losses by evaporation of volatile liquids : en fr
  • DE629135C - Production of grained, non-dusting calcium cyanamide : de en
  • FR797190A - Improvements to jacks : en fr
  • DE629082C - Process for the production of clinker for cement production : de en
  • DE629223C - Universal joint : de en
  • FR797038A - Hinge hinge with brake for doors : en fr
  • FR797345A - Improvements to machines for vitrifying the bases of electric lamps for the operation of drilling the wire entries through the : en fr
  • GB446108A - Improvements in or relating to lubricating devices : en
  • DE629022C - Process for heating fruit juices and similar organic liquids : de en
  • FR797343A - Improvements to freewheels of bicycles, for stepped gears : en fr
  • US2037737A - Quiet flow retarding device : en
  • US2038452A - Compensating device for web feeding machines : en
  • US2037854A - Sound reader for sound film projectors : en
  • US2038401A - Acoustic diaphragm : en
  • US2037802A - Roofing granule and process of making the same : en
  • USRE19938E - Pipe joint sealing means : en
  • FR797301A - Process for preparing an explosive and explosive obtained by this process : en fr
  • US2038148A - Anti-wheel sliding device : en
  • FR797203A - Method of assembling sheets and in particular sheets used in the constitution of vehicle bodies : en fr
  • GB446104A - Improvements in or relating to record-card-controlled printing mechanism : en
  • DE629242C - Process for the production of starch from corn : de en
  • GB446021A - Improvements in presses for artificial resins : en
  • US2037740A - Cellulose derivative compositions : en
  • US2038375A - Synchronism correction for multiplex : en
  • US2037954A - Side driving belt : en
  • USD99404S - Design for a glove : en
  • US2037765A - Railway car : en
  • US2037938A - Collar breaker : en
  • US2038483A - Manufacture of steel pipes : en
  • US2038322A - Radio tuning device : en
  • US2038352A - Lithographic plate graining machine : en
  • US2038480A - Electrically controlled pressure equalizing apparatus : en
  • GB445882A - Improvements in two-stroke internal combustion engines : en
  • FI17036A - Frihjulsnav med broms : en fi
  • GB446003A - Improvements in or relating to vestibules, more particularly for railway vehicles : en
  • US2037755A - Railway car brake : en
  • US2038257A - Tuning mechanism for radio receiving apparatus : en
  • DE629105C - Arrangement for regenerative braking of grid-controlled rectifiers with essentially arc-shaped discharge fed direct current motors : de en
  • US2038237A - Domestic press ironer : en
  • USD99407S - Design for a metal beer can : en
  • US2037696A - Electrical frequency regulator : en
  • US2038396A - Non-self-starting synchronous motor : en
  • US2038463A - Railway traffic controlling system : en
  • DE628989C - Shuttle : de en
  • DE629217C - Process and device for the pressure heat splitting of carbonaceous materials : de en
  • FR797102A - Device for obtaining straight images on photomechanical paper : en fr
  • FR797348A - Process for removing phenols contained in residual water : en fr
  • FR797350A - Spring mattress : en fr
  • AT145345B - Switching arrangement for the simultaneous reception of two different carrier oscillations, between which there is a constant frequency difference. : de en
  • AT145462B - DC generator for vehicle lighting. : de en
  • FR797325A - Ceramic hobs : en fr
  • US2037693A - Door structure : en
  • DE629201C - Printing drum for rotary stencil multiplier : de en
  • FR797076A - Device for the transmission of news at high frequency, in particular for the transmission at high frequency along power transmission lines : en fr
  • DE629265C - DC meter with increased or equalized torque : de en
  • AT145473B - Door lock, especially for vehicles with a foldable handle or a handle that can be moved parallel to itself. : de en
  • GB446054A - Improvements in braces for personal wear : en
  • GB445804A - Improvements in powder mixing devices : en
  • AU2456735A - Non inflammable plastic masses : en
  • US2038196A - Geared hoist : en
  • US2038495A - Electric insect trap : en
  • CA357281A - Aromatic amine condensation : en fr
  • DE629151C - Process for hardening glass : de en
  • FR797013A - New chromium-containing azo dyes and their preparation process : en fr
  • US2037982A - Bearing and bearing mounting : en
  • US2038042A - Spark plug : en
  • US2038383A - Symmetrical component measuring instrument : en
  • DE628986C - Skylight opener with scissors : de en
  • DE629039C - Coupling for the drive of centrifugal machines : de en
  • DE629075C - Music drum : de en
  • AT145335B - Electron tube. : de en
  • AT145367B - Electromagnetic overcurrent switch. : de en
  • GB445930A - Improvements in felts or unwoven fabrics : en
  • GB446013A - Improvements in or relating to the reduction of hydrocarbons : en
  • AT145373B - Hinge for doors. : de en
  • AT145428B - Socket pipe connection. : de en
  • US2038469A - Transmission band : en
  • CA357267A - Milk product cooling process : en fr
  • DE626118C - Method for replacing a railway superstructure, in particular for the purpose of installing stronger rails : de en
  • DE629084C - Flush valve that opens and closes automatically : de en
  • DE628910C - Planimeter : de en
  • DE629190C - Process for the production of footwear equipped with a so-called heel bed : de en
  • DE629018C - Half-timbered wall with T-shaped supports, to which the panels forming the outer wall are fastened by clamping strips : de en
  • AU2207935A - Improvements in and relating tothe construction of buildings : en
  • US2037892A - Method of processing and molding meats : en
  • US2038159A - Stove : en
  • US2038210A - Rail bond : en
  • GB445894A - Improvements in or relating to television and like scanning systems : en
  • CA357273A - Sieve shaker : en fr
  • CA357284A - Extrusion apparatus : en fr
  • AT145308B - Shoe. : de en
  • FR797335A - Improvements made to assemblies such as windows, doors, etc., established using metal profiles : en fr
  • GB445996A - Improvements in and relating to meat tendering apparatus : en
  • AT145454B - Cathode ray tube for television. : de en
  • US2038313A - Exhaust gas purifier : en
  • DE628988C - Device for upright stacking of cardboard sheets fed in a horizontal position or the like. : de en
  • DE629255C - Brush with a series of rubber loops cleaning body and method of making the same : de en
  • FR797095A - Hot water reserve water heater : en fr
  • GB445896A - Manufacture of perylene : en
  • US2037915A - Instep increaser : en
  • US2038100A - Process and mechanism for separating intermixed divided materials : en
  • FI17015A - Dubbelkrage : en fi
  • FR797119A - New anthraquinone dyes : en fr
  • FR797090A - Process for the intermittent operation of chamber or retort furnaces for the production of coke and gas : en fr
  • GB446270A - Improvements in circular looms : en
  • AU2205535A - Improved method of and apparatus for separating particles of different specific gravities and recovering those desired : en
  • US2038217A - Hose coupling : en
  • GB446038A - Improvements relating to differential gears for automotive vehicles : en
  • CA357260A - Sheet paper cabinet : en fr
  • US2038354A - Eraser : en
  • US2037842A - Amplifying system : en
  • DE628966C - Roller block : de en
  • US2037905A - Trolley guide : en
  • US2037841A - Wool washing machine : en
  • US2038346A - Milk bottle safe : en
  • FR797241A - Clutch refinements : en fr
  • USD99424S - Design fob a collapsible tube : en
  • DE629092C - radiator : de en
  • GB446737A - Manufacture of amino-carboxylic acids of capillary action : en
  • GB446002A - Improvements in and relating to binding covers or cases : en
  • US2038191A - Engine starting mechanism : en
  • US2038338A - Inking attachment for hand stamps : en
  • US2038161A - Apparatus for automatically opening garage doors : en
  • FR797023A - Flexible seat funds : en fr
  • FR797246A - Installation for monitoring the temperature of cooling water for internal combustion engines and vehicle heating : en fr
  • GB446058A - Improvements in or relating to furnaces for boilers and water heaters : en
  • USD99376S - Design fob a bottle : en
  • AU2221435A - Improvements in or relating to chairs, couches andthe like : en
  • DE629148C - Automatic glass blowing machine : de en
  • US2038073A - Typewriter : en
  • AU2214535A - Process forthe manufacture of metallic magnesium from magnesium oxide : en
  • US2037719A - Grain aspirator : en
  • USD99416S - Design for a strap for belts for : en
  • GB445885A - Improved photographic camera : en
  • DE629181C - Emptying device for bunkers : de en
  • FR797006A - Safety device applicable to cash registers, accounting machines, stamping machines, franking machines and the like : en fr
  • GB446131A - Improvements in silencers for internal combustion engines or fire-arms : en
  • GB445897A - Improvements relating to dry cells : en
  • US2037798A - Knitting mechanism : en
  • US2038132A - Stopcock : en
  • GB446164A - Improvements in or relating to the handles of knives : en
  • US2037956A - Manipulator : en
  • US2038476A - Water heater : en
  • GB445955A - Improvements in and relating to coin operated indicating money box : en
  • GB446110A - Improvements in or relating to locks and latches : en
  • DE628987C - Rotatable spool holder with several push-on pins for the reel spools : de en
  • GB445957A - An improved portable heater or stove : en
  • GB446011A - Apparatus for manipulating aircraft landing sails : en
  • GB446073A - Improvements in or relating to heat radiators : en
  • GB446139A - Overfeed stoker : en
  • US2037729A - Method and means for eliminating error in timepieces : en
  • US2037840A - Continuous centrifugal washing and dewatering machine : en
  • US2038510A - Method of and apparatus for making box ends : en
  • US2038095A - Retainer for antifriction bearings : en
  • FR797200A - Extra fast circulation concentration process to obtain excellent fruit syrups : en fr
  • FR797044A - Shoe with advanced lacing : en fr
  • DE629076C - Motion picture projector with built-in transformer : de en
  • US2037783A - Snap hook : en
  • GB445883A - Improvements in or relating to carbonising chambers retorts and the like especially for use in the low temperature distillation of carbonaceous material : en
  • DE629150C - Machine for manufacturing hollow glass bodies, in particular ampoules, from glass tubes : de en
  • FR797257A - Improvements in insulated electrical conductors, in particular those used in the manufacture of photoelectric screens for cathode ray tubes : en fr
  • GB445794A - Improvements in or relating to the feeding of disinfectants, deodorants or other fluids to flush tanks : en
  • US2038050A - Ironing machine : en
  • FR797160A - New silk thread for hand and machine knitting of all hosiery items and its manufacturing process : en fr
  • DE629009C - Airspace-insulated high-frequency cable with concentric conductor arrangement : de en
  • GB445918A - Fastener device : en
  • GB446077A - A new or improved method of drying or conditioning cigarettes : en
  • GB446262A - Improvements in or relating to valves for controlling the flow of fluids : en
  • USRE19933E - Cake process and product : en
  • AT145384B - Silencers for motor vehicles and. like : de en
  • DK51540C - End termination for electrical, Single or Multi-conductor cables filled with Mass, Oil or Compressed air. : da en
  • FR797172A - Improvements to electrical signaling systems : en fr
  • US2037909A - Monoazo dye and its production : en
  • GB446341A - Improvements in or relating to high pressure grease pumps : en
  • US2037813A - Heat insulation : en
  • US2038305A - Strip coiling machine : en
  • FR797080A - Direct acting rotary motor : en fr
  • FR797224A - Flour treatment process with a view to their conservation : en fr
  • DE628958C - Method for reducing the influence of the afterglow time of fluorescent screen tubes on the scanning focus for image scanning : de en
  • FR797173A - New method of controlling and braking finned spindles, for spinning or twisting, and apparatus or machines with similar operating conditions : en fr
  • US2037736A - Jointed structure : en
  • US2038435A - Radiator controlling device : en
  • US2038107A - Electrical connection for bus bars : en
  • FR797136A - Improvements to stapling machines : en fr
  • CA357246A - Yarn manufacture : en fr
  • FR797025A - Folding seat system : en fr
  • FR797371A - Device for molding hollow bodies in fibrous material : en fr
  • DE629118C - Machine for setting press-stud matrices : de en
  • GB446045A - A process of and means for the exfoliation of vermiculite : en
  • US2037826A - Headlight and horn construction : en
  • US2037942A - Means of reducing the fluid resistance of propelled vehicles : en
  • GB446026A - Improvements in the production of aliphatic organic compounds : en
  • US2038081A - Water-insoluble azo-dyestuffs and fiber dyed therewith : en
  • US2038389A - Lock joint seam for pipe : en
  • USD99359S - Design for a textile fabric or : en
  • DE629280C - Glass electrode for measuring the acidity level : de en
  • FR797237A - Firearms Improvements : en fr
  • DE629086C - Column bottom : de en
  • DE628999C - Method of processing whale meat for human consumption : de en
  • US2037913A - Sealing composition : en
  • US2038474A - Antifriction bearing and method of making the same : en
  • DE628984C - Method for corking containers, bottles, tubes or the like. : de en
  • GB445913A - Improvements in vises for type line casting machines : en
  • DE629054C - Process for the production of pellets of tertiary aliphatic amino acids : de en
  • FI17034A - Device for hanging bicycles in cars and the like : en fi
  • CA357350A - Typewriter sheet feeding device : en fr
  • US2038420A - Beer barrel and method of making the same : en
  • CA357282A - Organic aliphatic acid synthesis : en fr
  • DE628992C - Switch with arc extinguishing by compressed air : de en
  • GB446120A - Improvements in tables and other articles of furniture with folding legs : en
  • CA357242A - Trousers : en fr
  • USD99355S - Design fob an oil burner : en
  • FR797052A - Manufacturing process of rotenone and associated substances starting from natural products which contain it : en fr
  • GB446166A - Improvements in or relating to variable speed gearing : en
  • DE629088C - Macadam road surface bound by a hydraulic binding agent : de en
  • GB445828A - Improvements in rotary or oscillating drying apparatus : en
  • GB445941A - Improvements in or relating to overhead electric distribution systems : en
  • GB446109A - Improvements in or relating to locks for lift gates and the like : en
  • CA357257A - Refrigerant pumping system : en fr
  • FR797092A - Improvements to photographic cameras : en fr
  • FR797355A - Manufacturing process of framed panels and industrial products resulting from its application in the art of furniture for example : en fr
  • FR797181A - Aircraft upgrades : en fr
  • US2037978A - Oil and steam regulating valve : en
  • GB446113A - Improvements relating to intermittent rotary power transmission mechanism : en
  • GB445821A - Improvements in recoil-absorbers for firearms : en
  • GB446144A - Improvements in fuel supply systems for internal combustion engines : en
  • FR797082A - Manufacturing process for basic substitution products : en fr
  • FR797352A - Ski pole with fabric cover : en fr
  • FR797196A - Pressure reducing valve for compressed gas : en fr
  • GB446086A - Improvements in and relating to interlocking sheet piling : en
  • DE629067C - Fertilizer spreader with a storage box connected to the distribution box : de en
  • GB445825A - Improvements in and relating to rotary cutters for woodworking machinery : en
  • GB445945A - Improvements in spools for photographic cameras : en
  • GB446009A - Improvements in or connected with suit and other cases, trunks, bags, and other like portable receptacles : en
  • GB446098A - Improvements in washing machines : en
  • USD99387S - Design for a medal : en
  • DE629063C - Device for the detachable connection of beams and scaffolding parts : de en
  • GB445994A - Improvements in boiler cleaners : en
  • GB446112A - Improvements in or relating to apparatus for recording the rate of a watch : en
  • FR797307A - Improvements to machines for vitrifying the bases of electric lamps by applying a device for dosing the quantity of molten glass independent of the speed of the machine : en fr
  • US2038512A - Production of ethyl alcohol : en
  • US2038357A - Method of dehydrating alcohol : en
  • US2038451A - Device for aerating fermentation liquids : en
  • DE629072C - Device for conveying plates, sheets, rods or other objects by acid treatment baths, ovens or the like. : de en
  • DE629077C - Ice warning device for the optical advance display of the risk of freezing for aircraft and other vehicles : de en
  • DE629125C - Resilient seat, especially for motor vehicles : de en
  • US2037821A - Reenforced bakepan unit : en
  • GB446169A - Improvements in or relating to ramming and the like machines : en
  • GB446032A - Improvements in braking devices : en
  • GB446067A - Improvements in or relating to tire building forms : en
  • FR797145A - pneumatic or tubular substation installation lock : en fr
  • CA357255A - Refrigerator : en fr
  • CA357346A - Vessel : en fr
  • US2037782A - Refrigeration : en
  • IE13978L - Drying or conditioning cigarettes etc. : en
  • AT145482B - Drain valve seat attachment for washbasins or the like made of ceramic or similar materials. : de en
  • AT145378B - Process for the production of artificial masses. : de en
  • AT145438B - Arrangement for sending telegrams via a telegraph system, which includes subscriber stations equipped with teleprinters and automatic switching offices. : de en
  • AU2309535A - Improvements mor relating tothe grinding, pulverising andthe like treatment of materials : en
  • US2037760A - Air conditioner : en
  • US2037897A - High frequency oscillator : en
  • DE1371037U - : de en
  • FR797178A - Device for controlling aircraft engines : en fr
  • GB446099A - Improvements in a method of and apparatus for the manufacture of metal tubes and other tubular metal articles : en
  • GB446665A - Improvements in or relating to electrical control systems : en
  • IE13977L - Conditioning cigarettes : en
  • GB445910A - Method of and apparatus for guiding material through metal rolling mills : en
  • US2037844A - Solenoid valve : en
  • GB445854A - Process for improving the quality of inferior kinds of natural cork : en
  • DE629026C - Roll film spool : de en
  • FI17022A - Anordning for automatic volume control by radio engine : en fi
  • FR797116A - Method of processing metal alloys and apparatus for its application : en fr
  • FR797111A - Improvements to fireworks : en fr
  • GB445826A - Improvements in toy aeroplanes : en
  • GB446025A - Improvements in or relating to the springing of wheels of vehicles : en
  • USD99380S - Design for a combined ash receiver : en
  • US2037763A - Garter clasp : en
  • USD99412S - Design for a napkin or similar : en
  • AT145474B - Cylinder lock operated by an adjustable key. : de en
  • AU2394035A - Improvements relating to air deflectors, particularly for dehydrators or the like : en
  • AT145324B - Electrode system for indirectly heated discharge tubes. : de en
  • FI17029A - The method of preparation of the hemicellulose and the sulphate cellulose is the same as the asbestos fiber and the sulphite and the sulphate cellulose : en fi
  • GB446101A - Improvements relating to wind screen wipers : en
  • FR797318A - Improvements to discharge tubes : en fr
  • GB445807A - Improvements in or relating to shoes : en
  • AT145355B - Carburetors for internal combustion engines. : de en
  • AU2265035A - Improvements in sheepshearing machine cutters : en
  • GB445856A - Improvements in form-stable thermoplastic compositions and articles made therefrom : en
  • GB446027A - Improvements in and relating to filters : en
  • FR797299A - Composite sensitive block for the photographic production of color images to be viewed by reflection : en fr
  • US2038126A - Process for purifying coal or the like : en
  • US2038368A - Carpet or rug made of sponge material : en
  • AU2209535A - A portable forest float for sawing trees into lengths : en
  • CA357271A - Mail box : en fr
  • CA357276A - Hospital bed : en fr
  • DE629163C - Valve for hollow bodies with flexible valve hose that can be closed by kinking : de en
  • US2038402A - Method for reduction of refractory oxides : en
  • AT145459B - Device for generating control voltages of the desired curve shape for the control of converters with gas or vapor discharge path. : de en
  • US2038433A - Flooring and the like : en
  • US2038484A - New uric acid-dissolving remedies and a process for their production : en
  • DE629008C - Process for the production of insulating compounds for electrical devices by converting metallic magnesium into magnesia : de en
  • DE629015C - Dust firing, especially for unground raw dust : de en
  • FR797220A - Improved method and apparatus for fire protection of stocks of spontaneously flammable materials : en fr
  • US2038036A - Method and apparatus for treating rayon : en
  • US2038405A - Electric switch : en
  • US2037851A - Spark plug : en
  • AT145429B - Stepless torque or speed converter. : de en
  • CA357329A - Aqueous hydrochloric acid evaporating method : en fr
  • US2038261A - Coupling for distance meters and objectives of photographic cameras : en
  • DE629136C - Boiler feed system, especially for steam locomotives : de en
  • DE629226C - Shaft coupling : de en
  • DE628942C - Process for the production of potash : de en
  • FR797206A - Device for guiding toy vehicles : en fr
  • AT145376B - Process for the refinement of vegetable fibers using a copper oxide ammonia solution. : de en
  • US2038238A - Method and apparatus for making linoleum : en
  • US2037776A - Apparatus for splicing paper : en
  • FR797139A - Process for making land, earthy and stony masses and masonry waterproof and watertight, and for filling voids, cavities and cracks : en fr
  • US2037756A - Modulation system : en
  • AT145319B - Indirectly heated cathode. : de en
  • US2037770A - Container : en
  • US2038290A - Electrical fixture : en
  • FI17030A - Anordning vid cellulosakokare med yttre cirkulationsanordning för flisen : en fi
  • AU2006234A - Television tube : en
  • CA357365A - Rail plate and fastener : en fr
  • AU2377235A - Dispensing closures : en
  • AT145310B - Auxiliary device for dubbing sound films. : de en
  • AT145398B - Carrier hood for typewriter papers. : de en
  • GB446014A - Improvements in power devices for operating clutches in motor vehicles : en
  • US2037858A - Micrometer gauge : en
  • US2038285A - Parallel push-pull converter circuits : en
  • CA357335A - Titanium and iron compound preparation : en fr
  • FR797197A - Food product and its manufacturing process : en fr
  • GB445875A - Improvements in and relating to steam generators having evaporating members in the combustion chamber : en
  • US2038170A - Tool for use in pipes : en
  • US2038253A - Sound reproducing apparatus : en
  • US2038421A - Combined milk bottle holder and lock therefor : en
  • AT145455B - Electric fluorescent tube for alternating current operation. : de en
  • CA357247A - Differential mechanism : en fr
  • US2037775A - Parallel series centrifugal fire pump : en
  • US2038262A - Insert pipe wrench : en
  • US2037906A - Explosive container : en
  • US2038115A - Wall construction : en
  • US2037857A - Automobile heater : en
  • US2038231A - Centrifugal ring-grinding mill : en
  • US2038227A - Distributor : en
  • US2037853A - Method of working glass and articles produced thereby : en
  • US2037950A - Pump jack : en
  • US2038254A - Shearing method and apparatus : en
  • US2038259A - Lateral arm awning : en
  • DE629185C - High frequency amplifier : de en
  • GB446018A - Improvements in or relating to superheterodyne radio receivers : en
  • DE629049C - Device for the visual representation of distribution systems and their operational states, in particular luminous circuit diagram : de en
  • DE629051C - Connection piece for the shaft lever linkage on dobby machines and looms : de en
  • AT145303B - Apparatus for copying the audio tape from audio film. : de en
  • CA357302A - Film magazine footage indicator : en fr
  • US2038108A - Sinker : en
  • US2037781A - Treatment of hydrocarbon oils : en
  • US2038147A - Wheel sliding protector device : en
  • GB446162A - Improvements in and relating to the production of rubber articles provided with ornamentations, inscriptions and like patterns : en
  • DE629251C - Copier with density meter : de en
  • FR797386A - Control systems for electric motors : en fr
  • US2038270A - Mounting socket for elongated incandescent lamps : en
  • FR797330A - Centrifugal diffusion vaporization device : en fr
  • DE629248C - Starting device for several electric motors : de en
  • AT145460B - Speaker. : de en
  • AU2204535A - Improved signalling device : en
  • CA357264A - Sanitary girdle : en fr
  • FR797004A - Improvements to hot and cold water mixer taps : en fr
  • GB446178A - Improvements in cam-operated electric switches particularly for electric cookers : en
  • US2038139A - Jar lifter and carrier : en
  • FR797110A - Sheet cutting and stamping machine : en fr
  • AT145467B - Power feedthroughs for electrical discharge vessels, in particular electric fluorescent tubes. : de en
  • FR797015A - Smoke composition and its method of obtaining : en fr
  • GB446130A - Improvements in systems for converting direct current to alternating current : en
  • US2038194A - Tobacco pipe : en
  • CA357240A - Nut lock : en fr
  • AU2208535A - Apparatus for reducing flax or straw to fibre : en
  • US2038284A - Rotary mower : en
  • GB446023A - Improvements in or relating to containers and closures therefor : en
  • FR797131A - Mussel enhancements for freezing cream, water and the like : en fr
  • DE629141C - Brightness controlled cathode ray scanning device for television purposes : de en
  • FR797043A - Heavy oil gasifier more particularly applicable for supplying explosion engines : en fr
  • FR797125A - Device for igniting gaseous, liquid or powdery fuels in furnaces, gas turbines and combustion engines, for example : en fr
  • GB446080A - Improvements in cork-drawing devices for bottles : en
  • US2037706A - Manufacture of ammoniated superphosphates : en
  • FR797061A - Apparatus for establishing printing matrices particularly intended for printing music : en fr
  • GB445980A - Process and apparatus for melting and treating organic substances : en
  • GB445915A - Improved method of, and means for, the manufacture of moulded glass-ware : en
  • US2037953A - Method of converting hydrocarbon oils : en
  • GB446039A - Improvements in and relating to pull-out tables : en
  • US2038060A - Electric battery : en
  • AT145359B - Power converter. : de en
  • US2037778A - Internal combustion engine : en
  • US2038058A - Washing machine : en
  • USD99370S - Design for a shoe ob similar article : en
  • FR797056A - Improvements to elastic seat type saddles, for cycles and motorcycles : en fr
  • US2038134A - Drill cleaning apparatus : en
  • US2038226A - Camp stove : en
  • FI17027A - Cigarette butts and cigarettes with cigarette butt, Pepper, fresh cut from other cutters or other means : en fi
  • FR797236A - Improvements to devices intended to generate constant voltage at variable speed : en fr
  • GB446146A - Cleaning, polishing and reviving compositions especially suitable for coachwork coated with cellulose preparations : en
  • DE628873C - Conveyor device for machines for spreading or de-stalking leaves : de en
  • US2038406A - Mechanism for producing cartons : en
  • US2038078A - Process of purifying sulphuric acid : en
  • DE629045C - High-performance switch with switching chamber : de en
  • DE629212C - Device for the protection of insulating pipelines connected to high voltage discharge vessels or the like, in particular pump lines : de en
  • US2038035A - Disappearing drop door for refrigerator and display cabinets, bins, etc. : en
  • US2037934A - Sash guide : en
  • US2038508A - Lubricant dispensing nozzle : en
  • USD99398S - Design for a chair or similar article : en
  • DE629250C - Mixing device in which the spray for pest control is under the pressure of the water pipe : de en
  • FR797022A - Improvements in equipment for hydraulic power transmission : en fr
  • FR797037A - Improvements to speedometers : en fr
  • US2038393A - Electrodic endoscopic instrument : en
  • DE629021C - Process for processing cooperating spur gears with curved teeth using the rolling process : de en
  • FR797084A - Process for deodorizing polymerized haloprenes and resulting product : en fr
  • FR797303A - Fire extinguisher grenade : en fr
  • US2037751A - Dispenser : en
  • US2038432A - Viscosity measuring device : en
  • DE624426C - Device for feeding a pre-printed paper web in register : de en
  • GB446078A - Improvements in evaporators for refrigerating machines : en
  • DE629195C - Filling brush with liquid container and plate-shaped brush holder : de en
  • FI17017A - Electrodes : en fi
  • FR797117A - Gantry crane which can be transported on vehicles and erected without auxiliary scaffolding : en fr
  • FR797175A - Improvements to dobby, jacquard or other type hook mechanisms for looms : en fr
  • FR797247A - Insulated metal tanks and cisterns : en fr
  • US2037707A - Pressure tank door : en
  • FR797253A - Tank stabilization installation for ships : en fr
  • GB445966A - Improvements in or relating to band saws and like steel bands : en
  • DE628858C - Electric hot air blower, in particular for dental purposes : de en
  • FR797248A - Timer particularly applicable to the heater of periodic absorption devices : en fr
  • FR797058A - Thermal regulator of the absorption cycle in heating devices : en fr
  • FR797105A - Hive improvements : en fr
  • GB445959A - Improvements in or relating to multi-colour photographic materials : en
  • US2038299A - Oil-chamber for electric clocks : en
  • GB445988A - Improvements in gas masks : en
  • US2038440A - Manufacturing process for obtaining hydrogen by conversion of water gas : en
  • DE629152C - Process for the vulcanization of the plastic masses resulting from the action of halogenated olefins on polysulfides : de en
  • US2038047A - Elevator : en
  • US2038449A - Flat knitting frame : en
  • US2038084A - Ironing machine clutch : en
  • US2038138A - Automatic control device for the pneumatic cleaning of coal : en
  • US2038407A - Stocking : en
  • US2038292A - Junction box : en
  • US2038429A - Contact method of sulphuric acid manufacture : en
  • US2037811A - Sound translating device : en
  • USD99356S - Design for a shoe : en
  • US2038111A - Water flow detector for ducts : en
  • DE629194C - Method and device for ventilating fermenting wort or mash in the production of air yeast, including feed yeast : de en
  • GB445975A - Improvements in and relating to cathode ray tubes : en
  • GB445829A - Improvements in or relating to means for launching aircraft : en
  • AT145364B - Circuit arrangement for subscriber stations in telephone systems with dialer operation. : de en
  • US2037919A - Sliding writing board for desks : en
  • CA357317A - Closure manufacture : en fr
  • USD99418S - Design for a key holder : en
  • FR797388A - New acid dyes of the anthraquinone series and process for their production : en fr
  • US2038410A - Wall bed actuating mechanism : en
  • FR797298A - Process for producing marks or signs suitable for guiding traffic on roads : en fr
  • US2037759A - Bakepan unit : en
  • AT145333B - Device for strengthening the finger muscles, especially for climbers. : de en
  • AT145491B - Device for the electrical melting and pouring of substances easily oxidized in the heat. : de en
  • US2037717A - Xanthates and method of making same : en
  • USD99378S - Design for a cape ob similar article : en
  • US2037747A - Method of making container closures : en
  • AU2373935A - Improvements in devices for drenching sheep and other live stock : en
  • AT145311B - Flash lamp. : de en
  • AT145423B - Transmission. : de en
  • FR797267A - Devices for dispensing liquids, borrowed from a receptacle, by means of a stream of pressurized air : en fr
  • US2038023A - Asphalt coating material and process of producing same : en
  • US2037746A - Container : en
  • US2038250A - Building material : en
  • US2037893A - Bridging films and method of making the same : en
  • US2038025A - Manufacture of sodium sesquicarbonate from bicarbonate : en
  • DK51550C - Substrate for Elimination of Vibrations from the Engine by Engine Locomotives. : da en
  • FR797263A - Improvements to attachment devices for trailers, in particular those for trailers for cycles and motorcycles : en fr
  • DE629048C - Infeed and feed device on automatic scales : de en
  • US2037864A - Necktie holder : en
  • GB445953A - Improvements in or relating to ground-marking machines : en
  • FR797283A - Improvements to electrical connectors : en fr
  • GB446034A - Improvements in motor licence holders : en
  • GB446061A - Improvements in or relating to steam plants including hot-water accumulators : en
  • DE628955C - Rail butt connection without the use of brackets : de en
  • DE629094C - Device for feeding the briquetting material for briquetting presses : de en
  • DE629172C - Wolf-like cutting device with vertical shaft : de en
  • DE629144C - Power transformer : de en
  • FR797100A - Improvements to devices for drying sludge, slurry and other materials : en fr
  • GB445981A - Improvements in and relating to trimming for shelves and the like : en
  • GB446503A - Improved degreasing apparatus : en
  • FI17035A - Regulation of hydraulic storage tanks : en fi
  • GB445786A - Improvements in or relating to hydraulic power transmission systems : en
  • GB445891A - Improvements in or relating to the production of fabrics resistant to shrinking : en
  • US2037868A - Vehicle brake : en
  • DE629012C - Protective device with heat switch for electric motors, especially for train motors : de en
  • GB445972A - Improvements in muffle furnaces : en
  • CA357352A - High pressure greasing apparatus : en fr
  • US2038278A - Manufacture of metal stock : en
  • CA357238A - Wood measuring apparatus : en fr
  • US2038051A - Door and door-frame for ovens, retorts, and the like : en
  • CA357348A - Thread winding apparatus : en fr
  • CA357266A - Antiglare device for lamp bulbs : en fr
  • US2038046A - Method and apparatus for alternating-current investigation of uncased drill holes : en
  • USD99354S - Design for an oil burner : en
  • US2038460A - Audible mechanical toy : en
  • US2038223A - Carburetor valve : en
  • AT145452B - Magnetic-electric synchronous generator. : de en
  • AU2231435A - Improvements in and raliting to tacking out boards for drying leather : en
  • CA357299A - Facsimile transmitter : en fr
  • AT145301B - Additional device for speaking machines for recording records. : de en
  • US2038120A - Waterproof burial vault : en
  • USD99366S - Design for a range : en
  • USD99410S - Design for a glove : en
  • CA357279A - Welding method : en fr
  • CA357283A - Textile material processing : en fr
  • CA357294A - Dynamo-electric machine : en fr
  • CA357356A - Typewriter : en fr
  • DE629027C - Film take-up device : de en
  • DE629073C - Process for the production of convictions on the surface of lead, tin, copper and their alloys : de en
  • AT145457B - System of various sizes of watertight boxes for electrical distribution systems. : de en
  • US2037689A - Thermal switch : en
  • US2038394A - Catheterizing instrument : en
  • FR797053A - High pressure mercury vapor lamp with rare gas base fill and glowing electrodes : en fr
  • GB445898A - Process for the separation of the solid substances in products and residues of the destructive hydrogenation of distillable carbonaceous materials : en
  • AT145477B - Cutting grate for dividing cakes. : de en
  • AT145332B - Electron tube. : de en
  • CA357248A - Illumination control system : en fr
  • CA357280A - Furfural hydrogenating process : en fr
  • GB446118A - Improvements in or relating to cartons or containers for eggs and other articles : en
  • GB446148A - Improvements in or relating to cylinders of internal combustion or other engines : en
  • GB446221A - A new or improved means for, drying or conditioning articles : en
  • US2037876A - Process of preparing hydroaromatic alcohols : en
  • US2037970A - Cushion shoe : en
  • US2037871A - Resilient wagon wheel : en
  • AU2006334A - Counter-cadence rectification for television purposes : en
  • DE629215C - Coreless induction furnace with an induction coil surrounded by a yoke : de en
  • GB446047A - Improvements in and relating to upholstery assemblies : en
  • FI17026A - Fresh air valve : en fi
  • DE628967C - Device for the automatic control of hot water circulation heating systems : de en
  • DE628948C - Device for generating a uniform film movement in image sound films : de en
  • DE629058C - Arrangement to maintain the even current distribution on three-phase commutator motors : de en
  • DE628951C - Process for the production of pure sulfur dioxide suitable for sulphite or thionate production by rusting pyrites and the like. like : de en
  • DE629043C - High frequency cable : de en
  • GB445997A - Improvements in or relating to inflatable life-belts : en
  • AT145354B - Heat-insulating food showcase with cooling device. : de en
  • AT145395B - Turbo transmission for increased automatic torque increase when starting. : de en
  • DE629071C - Process for the electrolytic extraction of lead precipitates : de en
  • FR797115A - Process for obtaining synthetic resins : en fr
  • US2037872A - Joint support and construction making use thereof : en
  • US2037807A - Baking pan unit : en
  • US2037883A - Multiple-band radio receiver : en
  • USD99377S - Design for a rosary : en
  • CA357241A - Anti-burglar system : en fr
  • AT145322B - Device for controlling an electric current. : de en
  • AT145372B - Externally adjustable brand indicator for measuring instruments. : de en
  • AU2171535A - Improvements in or relating to thermionic valve apparatus for use on very shortwave lengths : en
  • US2037896A - Bottom hole gas bean : en
  • GB446079A - An improved method of producing disc wheels, more particularly for motor vehicles : en
  • DE629241C - Method and device for the production of filter plugs : de en
  • FR797198A - Two-stroke control system : en fr
  • US2037764A - Printing mask for dating photographic prints : en
  • US2037926A - Water dam for concrete slabs : en
  • US2038206A - Carburetor : en
  • US2038397A - Glow discharge tube : en
  • FR797326A - Automatic machine for the lining of wooden packaging slats : en fr
  • GB445951A - An improved air-supplying and ash-receiving device for stoves : en
  • DE629109C - Counter cylinder on the shaker slides : de en
  • FR797228A - Separation process particularly applicable to radium : en fr
  • GB446265A - Improvements in printing with vat-dyestuffs : en
  • GB446505A - Process and apparatus for the manufacture of active carbon : en
  • FR797124A - Improvements to sewing machines for making shoes of the turn-down type : en fr
  • US2038515A - Piston packing ring : en
  • US2037967A - Rotary drill : en
  • FR797204A - Improvements in yarns and crepe fabrics containing artificial filaments : en fr
  • GB445921A - Means for correcting bone joint irregularities and misplacements particularly toe joints : en
  • FR797045A - Automatic ignition device for gas burners : en fr
  • GB445905A - Improved method of, and means for, the manufacture of moulded glass-ware : en
  • FR797128A - Process for obtaining intaglio printing shapes : en fr
  • FR797238A - Improvements to feeders for firearms : en fr
  • GB445801A - Improvements relating to metal-frame windows, doors and the like : en
  • DE629129C - Method and device for attaching strips serving as hinged connections to sheet metal boxes : de en
  • FR797354A - Apparatus for sagging the skin of the head forming the scalp : en fr
  • US2038105A - Thermostatic overload switch : en
  • US2038414A - Mechanical foam indicating and control apparatus : en
  • DE629007C - Dry element : de en
  • GB445960A - Improvements in and relating to photographic exposure meters : en
  • US2038450A - Power-transmission mechanism : en
  • USD99338S - Design for lace : en
  • US2037884A - Silencer : en
  • FR797347A - Water tube steam boiler : en fr
  • GB445982A - Improvements in and relating to electrodes and electrical contacts : en
  • DE629013C - Compensation device for overcurrent heat time release : de en
  • AT145463B - Lighting fixtures for electric light sources. : de en
  • FR797199A - Toilet flushing device : en fr
  • FR797036A - Device for carrying out the internal vibration of concrete : en fr
  • GB446029A - Improvement in accessories for electrical conduit installations : en
  • GB445998A - Improvements in high frequency inductance devices : en
  • DE629016C - Method and device for the production of wired glass plates : de en
  • US2038055A - Fluid braking apparatus and compressor therefor : en
  • USD99364S - Design for a brush : en
  • DE629055C - Locomobile boiler with superheater and feed water preheater : de en
  • DE629107C - Flat weft knitting machine, especially cotton knitting machine : de en
  • DE629164C - Drainage regulator for intermittently erupting probes, especially from oil wells : de en
  • FR797349A - Pipe and pipe coating : en fr
  • FR797144A - Brake mechanism for vehicles, with device to prevent skidding during braking : en fr
  • GB446015A - An improved receptacle for growing flowers and plants : en
  • FR797174A - Presentation mode of braids : en fr
  • FR797294A - Body suspension on car bogies : en fr
  • GB446137A - Improvements in fractional distillation : en
  • US2038048A - Lighter : en
  • USRE19934E - Envelope : en
  • FR797094A - Improvements in forging processes and apparatus for carrying out these processes : en fr
  • DE629034C - Windows that can be raised and lowered for vehicles, in particular motor vehicles : de en
  • GB446152A - Improvements in or relating to vacuum cleaners : en
  • FR797286A - Manufacturing process of plastic compositions and new products resulting therefrom : en fr
  • US2038006A - Arch support : en
  • FR797103A - Improvements to automatic armature short-circuiting and brush lifting devices of single-phase commutator motors : en fr
  • US2038498A - Road finishing apparatus : en
  • US2038419A - Blank and method for making commutators : en
  • DE629214C - Cathode ray tubes for maximum voltages : de en
  • FR797385A - Device intended to replace the sun action on patent leathers : en fr
  • AT145358B - Elastic storage. : de en
  • DE629032C - Cardboard disc closure for milk bottles : de en
  • DE627964C - Winding machine for the production of electrical coils : de en
  • DE629052C - Rock dust and powder dispenser : de en
  • AT145469B - Reflector device for lighting fixtures, in particular for electric lighting fixtures. : de en
  • CA357310A - Ore reducing machine : en fr
  • FR797264A - Process for the production of coal extracts : en fr
  • FR797398A - Brake improvements : en fr
  • GB446111A - Improvements relating to the building up of surfaces of track rails of tramways, railways and the like : en
  • DE628974C - Gutter horseshoe with wear pieces inserted into its gutter : de en
  • FR797031A - Electric discharge lamp : en fr
  • FR797316A - Steam locomotive with mechanical loading hearth : en fr
  • AT145468B - Electric tube with alkali metal vapor filling. : de en
  • GB445773A - Improvements in thread and gripper guiding devices for the spool frames of looms forweaving tufted or pile fabrics : en
  • AT145347B - Car house. : de en
  • AU2122035A - Improvements in or relating to high frequency electrical ocsillator arrangements : en
  • CA357298A - Paper impregnation : en fr
  • US2037957A - Hair clipper and shaving clipper : en
  • CA357278A - Brake key : en fr
  • GB445991A - A heat insulator for use in hair waving and curling : en
  • GB446244A - Improvements in or relating to tire rims : en
  • DE629249C - Porous mass for storing gases in liquids : de en
  • GB446017A - Improvements in or relating to conduits for electrical wiring : en
  • US2038123A - Boiler : en
  • GB445974A - An improved method for the production of hollow moulded articles from polystyrol : en
  • AT145343B - Electron tube. : de en
  • CA357359A - Ink well : en fr
  • DE629122C - Device for the uniform drive of rewindable phonetic carriers : de en
  • AT145404B - Device for remote reporting and remote control of moving organs. : de en
  • DE628983C - Return line for devices for automatic filling or refilling of barrels or other closed containers : de en
  • US2038258A - Curved front arm lateral arm awning construction : en
  • AT145307B - Device for cutting and removing bricks made on the extrusion press. : de en
  • AT145381B - Springy sight tongue. : de en
  • CA357287A - Vacuum tube : en fr
  • USD99363S - Design for a jab or similar : en
  • US2037901A - Double chain stitch sewing machine : en
  • US2038256A - Household mixer : en
  • DE629166C - Method and machine for simultaneous trimming and sewing of festoons : de en
  • AT145485B - Process for the production of unfired carbon electrodes and resistance masses for electric furnaces. : de en
  • AT145420B - Conical or double-conical hollow hair curler for making permanent waves. : de en
  • US2037718A - Xanthates and method of making same : en
  • US2038246A - Asymmetrical conducting device : en
  • DE628934C - Method for damming explosives in short boreholes : de en
  • FR797020A - building element : en fr
  • FR797089A - Manufacturing process of special solid fuels for gasifiers producing gases for vehicle engines : en fr
  • AT145476B - Air cushions or the like : de en
  • CA357290A - Insulating liquid : en fr
  • AT145489B - Process for the production of low-oxygen copper. : de en
  • CA357304A - Indole aldehyde : en fr
  • US2037801A - Nut tapper : en
  • US2038403A - Thermo-adhesive textile fabric and process : en
  • AT145408B - Process for the production of light metal pistons. : de en
  • US2037796A - Abrading or cutting apparatus : en
  • US2038247A - Sausage stuffing machine : en
  • USD99420S - Design for a finger ring or : en
  • GB446134A - An improved adjustable hood for aircraft and the like : en
  • AT145356B - Fuel shut-off valve for internal combustion engines. : de en
  • CA357288A - Arc welding apparatus : en fr
  • CA357316A - Fibrous material manufacture : en fr
  • AU2274035A - Rotary drilling bit : en
  • DE629205C - Continuous pusher : de en
  • CA357256A - Bobbin : en fr
  • AT145449B - Control arrangement for discharge vessels. : de en
  • AU2386435A - Improvements in paper containers : en
  • US2038372A - Lay-figure for garment displays : en
  • US2038482A - Electrical snubbing means : en
  • AT145436B - Arrangement for aligning the air curve and the fuel curve in carburetor systems of internal combustion engines. : de en
  • AU2373135A - Improvements in or relating to fountain pens : en
  • USD99358S - Design for a textile fabric or : en
  • US2037745A - Helicopter : en
  • US2038013A - Regulating valve : en
  • US2038248A - Refillable pencil : en
  • AU2317035A - Improvements in and relating to hose joint tighteners : en
  • GB445890A - Improvements in the method of recovering solid matter from paper and pulp mill effluent : en
  • GB446095A - Improvements in or relating to slides or buckles : en
  • AT145317B - Power transmission device, in particular for sewing machines. : de en
  • US2038325A - Masking tape : en
  • US2038094A - Railway signaling system : en
  • US2037772A - Eye and nose protector : en
  • US2038380A - Dynamo-electric direct current generator : en
  • US2037837A - Mercury vapor rectifier : en
  • US2037965A - Form support : en
  • AT145350B - Hollow stone ceiling. : de en
  • AU2213635A - Optional muting device for wave-signalling system : en
  • GB446115A - Diplex telephony and telegraphy by the use of thermionic interrupters : en
  • US2038355A - Filter : en
  • DE629117C - Power machine with straight reciprocating piston, the piston of which carries an internally threaded bushing : de en
  • US2038412A - Gas meter : en
  • US2037836A - Long draft spinning apparatus : en
  • FR797279A - High frequency plug for powerline powerline transmissions along heavy current lines : en fr
  • DE629252C - Convertible top : de en
  • FR797014A - Electrode holder for electric welding : en fr
  • GB445800A - Improvements in or relating to refining pulps, fibrous or porous materials : en
  • GB445887A - Improvements in and relating to methods of and apparatus for testing the fatigue strength of material : en
  • USD99388S - Design for a radio cabinet : en
  • DE628995C - Device for voltage or speed control of electrical machines : de en
  • DK51539C - Radio receiver. : da en
  • US2038459A - Mirror : en
  • US2038043A - Clip for suspending films for drying : en
  • US2038293A - Wheel hub : en
  • FR797168A - Advanced training in control devices for groups of electrical machines : en fr
  • FR797285A - Improvements to membranes for hearing devices : en fr
  • US2038037A - Photographic camera : en
  • US2038074A - Production of beta-chloro-alkyl esters of aliphatic acids : en
  • US2038337A - Airplane wing : en
  • FR797189A - Improvements to the construction of retaining walls : en fr
  • GB445950A - Improvements in or relating to weighing apparatus : en
  • US2037728A - Resilient device : en
  • US2038225A - Brake : en
  • FR797209A - Automatic piloting of aircraft : en fr
  • DE629279C - Method and device for measuring the vibration difference of mechanical vibrations of almost the same number of vibrations, in particular of watch balance : de en
  • GB446005A - Process for the production of coloured surfaces on unglazed brick and earthenware : en
  • DE629159C - Multi-cylinder two-stroke engine : de en
  • AU2357135A - An improved grate for gas producers : en
  • FR797133A - Process for manufacturing artificial products, such as artificial fibers, etc. : en fr
  • DE628957C - Device for loading and unloading road vehicles, in particular furniture wagons, onto and from railway wagons : de en
  • US2037914A - Safety razor blade knife : en
  • US2038065A - Wood storage tank for oils : en
  • US2038152A - Watch holder : en
  • US2038118A - Decalcomania paper : en
  • US2038183A - Fan : en
  • FR797306A - Device, with cooling by liquid circulation, for the centrifugal casting of metal tubes : en fr
  • GB445853A - Improvements in and relating to electric radiators : en
  • US2038434A - Refrigerator : en
  • GB446102A - Improvements in or relating to electric leading-in insulators : en
  • GB446066A - Improvements relating to the purification of sewage or of gases containing air or oxygen : en
  • GB446116A - Improvements in locks and latches : en
  • GB446042A - Improvements in or relating to aluminium alloys : en
  • DE629053C - Device for generating nitrogen or nitrogen-hydrogen mixtures : de en
  • FR797046A - Breech device for automatic weapons : en fr
  • FR797127A - Device for radiographic representation of body sections or body layers : en fr
  • GB446180A - Improvements in or relating to cathode ray tubes : en
  • GB446174A - Improvements in or relating to thermal motors : en
  • AT145337B - Process for the production of a creped plaster bandage for bandages that adheres to itself but does not stick to skin and hair and is equally stretchable on all sides. : de en
  • CA357339A - Air conditioning apparatus for railway cars : en fr
  • FI17037A - Anordning vid frihjulsnav för velocipeder och dylikt : en fi
  • FR797041A - Process for the production of solder sticks for electric welding : en fr
  • GB446149A - A combined clutch and tool chuck : en
  • DE628970C - Process for producing low carbon metals or alloys : de en
  • DE628993C - Railway car overcurrent switch : de en
  • FR797091A - Special setting of precious stones or the like : en fr
  • DE629020C - Electric preheating device for the combustion air in the air intake pipe of the carburetor of a mixture-compressing internal combustion engine : de en
  • DE629207C - Arrangement to cancel the phase influence of the coupling capacitor in amplifiers for wide frequency bands : de en
  • FR797126A - Method and device for the more complete combustion of coals of inferior qualities : en fr
  • GB445808A - Improvements in spring pads for garment presses and the like : en
  • GB446046A - Manufacture of moulded bodies from moulding powder, such as artificial resin : en
  • DE628962C - Take-up body for freshly spun artificial silk threads with radially movable length parts : de en
  • FR797367A - Sliding door improvements : en fr
  • GB446082A - Improvements in and relating to means for damping the recoil in railway vehicles or the like : en
  • FR797088A - Adhesive strip for epilating : en fr
  • FR797019A - Improvements made to beams or other assemblies established using welded sections, and to the processes for obtaining them : en fr
  • DE629235C - Door lock with a bolt influenced in the closing direction by a spring and an auxiliary latch that triggers the lock that retains the bolt in the open position : de en
  • FR797295A - Process for improving glass, glazes and enamels : en fr
  • AT145497B - Process for cutting high gold, platinum-free or low-platinum cut material. : de en
  • US2038461A - Screen door brace : en
  • US2038411A - Automatic blast torch : en
  • US2037990A - Ash removing mechanism : en
  • US2038492A - Plowshare : en
  • DE628991C - Train protection system with speed monitoring : de en
  • DE629033C - Slicing machine with automatic feed and with a support plate for aligning the goods to be cut : de en
  • FR797302A - Electric gear motor-winch unit : en fr
  • GB446342A - Improvements in and connected with the manufacture of soap : en
  • US2037749A - Direct bonding of rubber and metal : en
  • US2037815A - Serving counter : en
  • US2038276A - Apparatus and method for preparing concrete in mixers : en
  • FR797166A - Improvements to lighting by metal vapor lamps : en fr
  • US2038182A - Clutch operating mechanism : en
  • US2037786A - Joint : en
  • US2038422A - Bench drill stand : en
  • FR797005A - Process for making cellulose fibers and the like resistant to creasing : en fr
  • FR797187A - Camera : en fr
  • FR797322A - Method and apparatus for obtaining enlarged photographs with subject with degraded contours on a white background : en fr
  • AT145413B - Process for the production of products from unspun fibers and rubber or the like. : de en
  • CA357311A - Tin recovery from residues : en fr
  • DE628978C - Grater Mill : de en
  • FR797034A - Device for adjusting the position of the arc ignition point in a static converter supplied with m-phase current : en fr
  • GB445919A - Improvements in brakes for wheels, drums, pulleys and the like : en
  • GB446135A - Improvements in and relating to electromagnetic time element devices : en
  • AT145424B - Methods and devices for converting thermal energy. : de en
  • BE415170A - Automatic locking device for igniter caps of grenades, rockets or similar dismountable devices : en fr
  • US2037992A - Ball bearing joint : en
  • US2037724A - Fish canning machine : en
  • FR797157A - Injector pump and ignition regulator arrangement for combustion engines : en fr
  • US2037878A - Process for making mercapto thiazole compounds : en
  • DE629240C - Two-for-one twisting spindle : de en
  • GB446177A - Improvements in operating knobs or handles for use with prepayment mechanism : en
  • DE1371049U - : de en
  • US2037704A - Curing cellulose derivative sheeting : en
  • US2037797A - Treatment of fabrics : en
  • US2038022A - Art of creatography : en
  • FR797362A - Method of manufacturing shaped articles of animal fibrous material : en fr
  • GB446234A - Improvements relating to sensitive photographic elements : en
  • FR797380A - Pre-volume adjustment mechanism combined with flow indicating device for liquid flow devices of the tilting drum type : en fr
  • FR797284A - Piston ring with stepped surfaces : en fr
  • GB446048A - Automatic guard for power presses and like machines : en
  • GB446488A - Improvements in printing with vat-dyestuffs : en
  • GB445819A - Driving mechanism for ring or flyer spinning and doubling machines with spindles driven by gear wheels : en
  • FR797193A - Sophisticated device for fixing the rails and its constituent elements : en fr
  • GB445824A - An improved method of and apparatus for manufacturing paper containers : en
  • US2038230A - Safety razor : en
  • US2037690A - Operating mechanism for typewriters : en
  • US2038083A - Process for the decomposition of nitrosyl chloride : en
  • FR797324A - New aromatic bases and their use in the production of water-insoluble azo dyes : en fr
  • FR797055A - Two-stroke internal combustion engines : en fr
  • GB445795A - Improvements in or relating to golf tees : en
  • GB446020A - Improvements in and connected with bungs and like closure devices for barrels and other containers : en
  • GB446068A - Improvements in heating systems employing steam circulation : en
  • US2037816A - Ironing machine cabinet : en
  • US2038279A - Coin collecting apparatus : en
  • DE629176C - Plant for grinding and cleaning the knives of tobacco cutting machines : de en
  • DE629238C - Painting device : de en
  • US2038173A - Product for building construction : en
  • DE628997C - Cylinders for valve-controlled internal combustion engines : de en
  • DK51544C - Crayons for writing, drawing, painting and similar purposes. : da en
  • FR797012A - New azo dyes and their preparation process : en fr
  • GB445999A - Manufacture of azo-dyestuffs : en
  • GB445925A - Improvements in tools for dressing grinding-wheels : en
  • US2038245A - Dumping car : en
  • US2038489A - Closing device for receptacles : en
  • DE629229C - Master cylinder with surrounding reservoir for hydraulic brakes : de en
  • DE629062C - A paper cover that can be used as an output container for stacks of toilet paper : de en
  • GB445895A - Improvements in or relating to toe separators and cushions for the human foot : en
  • AT145396B - Equipment on cameras for the purpose of counting the exposures made. : de en
  • US2038062A - Inside door handle assembly for an automotive vehicle : en
  • US2037823A - Extruding machine : en
  • US2038213A - Brake : en
  • US2037937A - Safety paper and method of making same : en
  • US2038441A - Fluid lift pump : en
  • AT145390B - Protective cover for electron tubes. : de en
  • US2037943A - Knife with handle casing : en
  • US2038008A - Method for dehydration, storage, and maintenance of dehydration of food products, such as hay : en
  • USD99391S - Design fob a desk : en
  • US2038193A - Heating system for automotive vehicles : en
  • US2038232A - Bicycle lock : en
  • US2037920A - Strip seal metal container : en
  • GB445937A - Improvements relating to reinforced concrete floors, roofs and like structures : en
  • US2038101A - Vibration detector : en
  • DE629056C - Method for reducing couplings in telecommunication cables with air space cores : de en
  • GB446129A - Lifting and lowering device for a clothes line, and the like : en
  • DE629247C - Switch with arc extinguishing by a gas or steam quantity moved in a circuit and repeatedly used for extinguishing : de en
  • US2038364A - Indigoid dyestuffs and process of making same : en
  • US2038479A - Electrical dehydrator high voltage supply : en
  • US2038413A - Piston for internal combustion engines : en
  • US2038486A - Electrochemical recording of electric currents : en
  • US2038503A - Approach locking for railways : en
  • FR797086A - Gate valve : en fr
  • GB445815A - Improvements in the manufacture of soap in tablets or the like : en
  • US2037964A - Skate : en
  • US2038342A - Potato digger attachment : en
  • CA357331A - Roll labelling machine : en fr
  • CA357360A - Traction increasing means : en fr
  • DE628977C - Partition for drum mills : de en
  • US2038165A - Forging machine : en
  • US2037911A - Thermostatic controlling apparatus : en
  • USD99385S - Design for a velocipede fender : en
  • US2038200A - Brake : en
  • US2038229A - Flushing valve : en
  • USD99339S - Design fob a bottle : en
  • US2038319A - Toilet or traveling case : en
  • DE629000C - Shaking device for rotating machine parts, such as breast rolls of paper machines and the like. like : de en
  • GB446062A - Improved clip holder for spoons, brushes and the like : en
  • FR797063A - Manufacture of hollow bodies of fiber cement or other similar material, in particular of coffins : en fr
  • FR797096A - Time delay pedal for command or control devices : en fr
  • FR797266A - Improvements to metal rheostats : en fr
  • GB445923A - Improvements in and relating to electric supply meters : en
  • GB446028A - An improved collapsible caravan : en
  • FR797159A - Inflatable swimming and rescue belt : en fr
  • GB446093A - Improvements in warming devices for mechanically propelled vehicles : en
  • US2037980A - Sectional pipe scaffolding : en
  • US2038151A - Sandal : en
  • FR797364A - Improvements to the use of hand-composed dies in typographic lines composing machines : en fr
  • DE628980C - Sieve for the purpose of sorting or dewatering in the manufacture of paper or the like. : de en
  • FR797319A - Mineral oil gasification process : en fr
  • AU1953334A - Improvements in safety devices for mine cages andthe like : en
  • US2038104A - Stereotype plate : en
  • US2038477A - Hose coupling connection : en
  • CA357328A - Frozen confection making machine : en fr
  • AT145334B - Compress. : de en
  • AT145472B - Locking device. : de en
  • US2038015A - Rail anchor : en
  • GB446076A - Improvements in and relating to shuttering supports for casting concrete buildings in situ : en
  • AT145405B - Filling for cooker absorbers in absorption refrigeration machines. : de en
  • AT145456B - Electric power transmission for internal combustion electric vehicles. : de en
  • US2037773A - Motor vehicle registration marker : en
  • US2038116A - Tool : en
  • DE629222C - Control procedure for free-flight piston propellant gas generators : de en
  • GB446084A - Improvements in the preparation of oxygenated aliphatic compounds derived from 2-ethylbutyraldehyde : en
  • DE628961C - Process for the preparation of monoazo dyes : de en
  • DE629093C - A hollow propeller with a half-timbered body surrounded by a metal jacket : de en
  • US2037981A - Vehicle wheel : en
  • US2038315A - Method of making buckets for water wheels : en
  • US2038365A - Washable rubber necktie : en
  • US2038511A - Flow meter : en
  • US2038117A - Light signal mounting means : en
  • US2038485A - Jacking device for motor vehicles : en
  • CA357253A - Electrical heating device : en fr
  • GB445886A - Improvements in electric indicating apparatus : en
  • AT145446B - Device for electromechanical recording and reproduction of acoustic vibrations. : de en
  • US2037908A - Valve for automatic control of antiknock liquids : en
  • US2038376A - Automatic thermostatic switch : en
  • DE629246C - Mains connection device for the mains sound-free operation of tube receivers : de en
  • DE629061C - Method and device for balancing and regulating three-phase voltages, especially for wattmeter and counter range purposes : de en
  • CA357332A - Mineral oil refining process : en fr
  • DE629232C - Measuring plug : de en
  • AT145430B - Gas-tight elastic longitudinal pipe connection for the production of pipe walls for tubular boilers or the like. : de en
  • AT145484B - Typewriter cartridge. : de en
  • US2037727A - Fastening : en
  • US2038446A - Electric motor : en
  • DE629066C - Self-closing switch for speaking machines : de en
  • DK51548C - Automatic Volume control device for Radio Receivers and other Amplifiers of electrical Oscillations. : da en
  • FR797057A - Device for high frequency traffic : en fr
  • US2038177A - Duplicating machine : en
  • DE629183C - Process for the production of low-chromium phosphorous steels : de en
  • US2037866A - Automobile hood fastener : en
  • AT145394B - Air supply for motor vehicles with rear engine. : de en
  • DE629038C - Hollow vent for full-walled centrifugal drums to draw off the liquid from wet, fine-grained to sluggish centrifugal material : de en
  • DE629147C - Machine for the production of mesh-like goods : de en
  • AT145362B - Arrangement to prevent incorrect setting of the dialer in self-connecting teleprinter exchanges. : de en
  • US2038171A - Water cooling and treating apparatus : en
  • DE629204C - Cranked oil conveyor rod for axle bearing lubrication of rail vehicles : de en
  • US2037804A - Magnetron type oscillator : en
  • US2037946A - Radio receiver : en
  • USD99386S - Design fob a blouse : en
  • US2038437A - Method of making corrugated metal roll roofing : en
  • DE629057C - Converter : de en
  • GB445874A - An improvement in photographic cameras : en
  • FR797162A - New light board showing successively various numbers and inscriptions : en fr
  • GB446085A - Improvements in and relating to mercury boilers : en
  • GB446121A - Improvements in or relating to gas cookers : en
  • GB446132A - Manufacture of threads, films and similar articles : en
  • FR797363A - Operating group, for dentists : en fr
  • USD99367S - Design fob a shoe : en
  • US2037827A - Method of applying decorative indicia to articles : en
  • US2038409A - Display sign : en
  • USD99413S - Design for a vanity case fob : en
  • CA357322A - Air conditioning system : en fr
  • US2037985A - Dough twisting mechanism : en
  • US2038054A - Indicator : en
  • US2038361A - Turner and ejector for ovens : en
  • DK51542C - Internal combustion engine with annular Combustion chamber and direct Injection of the Fuel. : da en
  • US2037852A - Screwworm fly trap : en
  • DE628998C - Welded box frame for diesel engines : de en
  • US2037973A - Power generator : en
  • GB446813A - Manufacture of amino-carboxylic acids of capillary action : en
  • US2038458A - Weighing mechanism : en
  • US2037917A - Automatic choke control : en
  • US2038106A - Cement cork shingle : en
  • USD99357S - Design for a shoe : en
  • DE629046C - Remote-controlled high-voltage switch by means of air, gas or liquid pressure, especially for X-ray systems : de en
  • FR797400A - Improvements in color photography : en fr
  • GB445873A - Improvements in or relating to fuel injection valves for internal combustion engines : en
  • GB446271A - Valve grinding disc for grinding engine valves and valve seatings : en
  • GB446153A - Improvements in or relating to vibration translating devices : en
  • US2037862A - Lasting machine : en
  • US2038192A - Covering for buildings : en
  • US2038332A - Noise suppressor for radio receivers : en
  • US2038092A - Method of determining the proper packing for a particular installation : en
  • US2038219A - Display carton : en
  • US2038311A - Fuel injection pump : en
  • US2038356A - Canned milk dispenser : en
  • US2038499A - Signaling system : en
  • USD99345S - Design fob an adjustable table : en
  • US2038307A - Photographic emulsion : en
  • US2037952A - Conversion of hydrocarbon oils : en
  • USD99347S - Design for an india-rubber sheet : en
  • USD99360S - Design for a billfold : en
  • US2037856A - Cutter wire : en
  • US2038423A - Apparatus for use in applying shoe bottom filler : en
  • US2038168A - Fluid pressure brake : en
  • AT145458B - Switches for electric hand and flashlights. : de en
  • AT145419B - Smoothing machine for stacking paper or the like. : de en
  • US2038133A - Fence post : en
  • CA357326A - Camera : en fr
  • US2038334A - Refrigerator lock : en
  • US2037795A - Apparatus for expanding articles : en
  • US2038415A - Manufacture of safety razor blades : en
  • US2038438A - Harrow : en
  • AT145448B - Gas pressure switch. : de en
  • US2037931A - Can conveyer : en
  • US2038004A - Tool for cleaning tubes : en
  • US2038303A - Signaling system : en
  • AU2396035A - Improvements in internal combustion engines and means for timing the fuel injections therefor : en
  • USD99390S - Design for a base fob a lamp or : en
  • US2037731A - Vacuum seal : en
  • US2038169A - Baby carriage : en
  • US2038252A - Valve operating means : en
  • USD99422S - Design fob an enlargement : en
  • US2037817A - Chuck shifting mechanism and slat feeding mechanism for lidding machines : en
  • US2038304A - Metal blowing process : en
  • USD99374S - Design for a bottle : en
  • US2038005A - Roller skate : en
  • US2038076A - Control means for motor operated apparatus : en
  • GB445813A - Improved lubricating oil compositions : en
  • GB446075A - Improvements in and relating to spiders for belt pulleys and the like : en
  • US2037972A - Cinematograph apparatus : en
  • USD99379S - Design for a sand box : en
  • USD99372S - Design fob a shoe : en
  • AT145416B - Plate-shaped sound insulation. : de en
  • US2037774A - Fire engine : en
  • US2038018A - Vegetable peeling machine : en
  • DE620222C - Components in the form of C-shaped connecting links for building games : de en
  • US2038271A - Two-cycle internal combustion engine : en
  • US2038007A - Siphon bottle head : en
  • DE629029C - Diaphragm pump with built-in piston pump and common displacement : de en
  • AT145325B - Process for the production of viscous solutions of substances with anesthetic effect. : de en
  • US2038088A - Heat exchanger : en
  • US2038212A - Wheel : en
  • US2038345A - Synthetic resin varnish and process : en
  • US2038187A - Electrical apparatus : en
  • US2037989A - Cartridge : en
  • US2038174A - Brake control means : en
  • GB446155A - Improved construction of block for roadways and the like : en
  • US2037835A - Manufacture of staple fiber : en
  • US2037997A - Mechanically operated smelting hearth : en
  • US2038428A - Stoker : en
  • US2038109A - Brush and dust guard : en
  • US2038286A - Bobbin support : en
  • USD99342S - Design for elastic binding : en
  • USD99352S - Design fob a tongue brush : en
  • US2038241A - Selector control unit : en
  • US2037828A - Burner box for cooking stoves : en
  • US2038221A - Method of and apparatus for stirring materials : en
  • CA357325A - Telephone system : en fr
  • US2038339A - Process of manufacture of a stencil : en
  • USD99409S - Design fob a bottle : en
  • US2037791A - Treatment of hydrocarbon oils : en
  • US2037932A - Rubber composition and method of preserving rubber : en
  • US2038228A - Process and apparatus for conditioning sheets of paper : en
  • US2038468A - Hinged card : en
  • FR797239A - Improvement in weaving mechanics for looms : en fr
  • FR797366A - Improvements in the manufacture of vulcanized rubber articles : en fr
  • GB446123A - Complete bottle feeder enabling a baby to be fed in cot, perambulator or elsewhere without assistance : en
  • GB446416A - Improvements in or relating to the treatment of textiles : en
  • CA357274A - Chrome ore preparation : en fr
  • CA357323A - Building ventilating apparatus : en fr
  • US2038398A - Knitted cap and method of producing same : en
  • US2037894A - Fuel pump : en
  • US2038157A - Charge forming device : en
  • US2038010A - Ball bearing : en
  • US2038399A - Process for treating siliceous materials : en
  • US2038454A - Container for fragile articles : en
  • US2037996A - Sand finish hard surface acoustical plaster : en
  • US2038358A - Superheterodyne receiver : en
  • US2038038A - Centrifugal clutch : en
  • US2038158A - Vehicle for mixing concrete and like materials : en
  • US2037822A - Process and apparatus for producing variegated roofing : en
  • AT145488B - Process for making baked goods. : de en
  • US2038153A - Refrigerating apparatus : en
  • US2038112A - Railway car retarder control system : en
  • CA357333A - Piston skirt expander : en fr
  • CA357319A - Dough sheeting and laminating process : en fr
  • DE629065C - Device for separating workpieces on machines for automatic testing of mass parts : de en
  • AT145323B - Process for the production of estrogenic substances. : de en
  • AT145361B - Impulse transmitter. : de en
  • DE629165C - Three-roller mill : de en
  • DE629128C - Machine for reshaping compressed can bodies into cylindrical shapes : de en
  • FR797069A - Process for manufacturing porous glass bodies using glass strands : en fr
  • DE629005C - Process for the preparation of 4-amino-6-methyl-3, 4-dinitrodiphenylamine : de en
  • DE629080C - Method and device for enamelling or painting of wires, tapes or the like. : de en
  • DE629028C - Device for wrapping endless film strips : de en
  • DE629137C - Paper roll changing device for rotary printing machines : de en
  • US2038090A - Piston pump : en
  • GB445920A - Improvements in or relating to flexible gear drives : en
  • GB446160A - Improvements in dating device for labeling machines : en
  • DE629099C - Braking device for rail vehicles with rail brake blocks mounted on rocker arms : de en
  • GB445871A - Improvements in bodies for motor vehicles : en
  • GB445985A - Improvements in and relating to converter arrangements for direct-current installations, particularly although not essentially electrolysis installations : en
  • AT145312B - Connection device for stacks of sheets, in particular on calendars and. like : de en
  • AU2210135A - Improvements in and relating to binders for sheets of paper andthe like : en
  • AT145388B - Can for cigarettes, powder or the like. : de en
  • CA357254A - Beverage : en fr
  • AU124536A - Improvements inthe manufacture of artificial yarns or other materials : en
  • AU2240335A - Improvements in and relating to combustion control in furnaces : en
  • US2037792A - Treatment of hydrocarbon oils : en
  • FR797277A - Rescue apparatus in the event of a house fire, etc. : en fr
  • AT145392B - Device for adjusting the ignition point when starting internal combustion engines. : de en
  • FR797085A - New azo dyes, process for manufacturing them and their application : en fr
  • US2038207A - Brake : en
  • US2038080A - Collapsible crate : en
  • AT145465B - Power transmission system. : de en
  • AU2209735A - An improved conveyance for transporting logs : en
  • GB446103A - Improvements in or relating to the manufacture of chlorinated rubber : en
  • CA357361A - Carton : en fr
  • US2038027A - Vibration damper for crank shafts : en
  • US2037741A - Wheel hub : en
  • US2038142A - Synthetic resins and process of making same : en
  • AT145445B - Electric solenoid motor. : de en
  • FR797075A - Film reel with protective device against ingress of light, suitable for photography and cinematography : en fr
  • FR797320A - Internal combustion engine operating according to the two-stroke cycle and receiving an auxiliary sweep current : en fr
  • GB445805A - Improvements in the manufacture and production of organic sulphur compounds : en
  • GB445806A - An improved method of producing coloured photographic materials : en
  • AT145439B - Method and device for extinguishing alternating current high-power arcs in switches, fuses or the like. : de en
  • AT145397B - Equipment and process for making crepe. : de en
  • USRE19940E - Table : en
  • US2038012A - Testing or inspecting machine : en
  • US2038471A - Cover for conveyers and clamping means therefor : en
  • FR797336A - Improvements to sawing devices : en fr
  • GB445965A - Improvements in or relating to vacuum dust removing devices : en
  • IE14085L - Treatment of textile fibres and yarns : en
  • US2037769A - Typewriting and like machine : en
  • US2037860A - Extension ladder : en
  • GB446065A - Improvements in or relating to methods of treating fresh whale-flesh and similar flesh containing fish-oil : en
  • FR797039A - Hair trimming device : en fr
  • USD99361S - Design for a grater or similar : en
  • GB445914A - Improvements in or relating to looms for weaving gauze : en
  • US2038324A - Combination buckle and flexible member : en
  • GB445940A - Production of compositions from rubber and the like : en
  • GB445962A - Improvements in or relating to runners or castors for trunks, cases or like receptacles : en
  • GB446008A - Improvements in devices for the solution of bath salts and the like : en
  • FR797240A - Mechanical and aerodynamic processes, to increase safety and mitigate the effects of air resistance, applicable to aviation and all vehicles : en fr
  • CA357289A - Insulating liquid : en fr
  • GB445799A - Improvements in multi-colour cameras : en
  • FR797182A - Improved arrangements for storage stoves : en fr
  • GB446176A - A mechanical process for making ready for printing : en
  • FR797268A - Medical device against prolapse disease : en fr
  • FR797060A - Improvements to the filling and cleaning of the cylinders of two-stroke internal combustion engines : en fr
  • GB446007A - Improvements in or relating to electric arc atomic hydrogen heating torches : en
  • GB446050A - Burner for liquid fuels : en
  • FR797208A - New positive carbons for intensive beck arc : en fr
  • FR797252A - Shoe upper : en fr
  • FR797381A - Mineral oil treatment process : en fr
  • GB445907A - Improvements in or relating to photographic cameras : en
  • US2037750A - Yarn tensioning device for knitting machines : en
  • US2037830A - Portable air compressor : en
  • US2038155A - Pump : en
  • US2038447A - Toilet paper dispenser : en
  • GB445916A - Improvements in or relating to pendent lights : en
  • CA357340A - Air distribution unit : en fr
  • FR797344A - Galvanic battery : en fr
  • FR797155A - Dyes of the anthraquinone series and process for their preparation : en fr
  • GB445796A - Improvements in or relating to air loaded hydraulic accumulators : en
  • GB445970A - Improvements in and relating to so-called "disturbance-suppressors" for use in connection with wireless receivers : en
  • DE629132C - Device for the orderly storage of index cards or documents with spreading device for the individual cards : de en
  • GB446133A - Improvements relating to valve mechanism for the control of fluid under pressure : en
  • FR797280A - labels or plaques for displays : en fr
  • US2038289A - Solenoid stop valve : en
  • FR797184A - Distributor for meat slicers : en fr
  • FR797202A - Propulsion device in a fluid : en fr
  • GB446140A - Improvements in or relating to switches more especially for electrically operated hand tools : en
  • FR797074A - Metal body without chassis for double-decker omnibus : en fr
  • FR797210A - Hertzian wave guidance with automatic direction finder : en fr
  • IE13709L - Manufacture of flour : en
  • US2037766A - Aircraft having autorotative sustaining means : en
  • US2037820A - Hydraulic shock absorber : en
  • USRE19932E - Aircraft : en
  • GB446083A - Improvements relating to the attachment of luggage receptacles to cycles : en
  • GB445812A - Improvements in and relating to thickness gage : en
  • US2038021A - Vibration recording instrument : en
  • US2038119A - Vacuum coffee making apparatus : en
  • US2038141A - Safety mine car scotch : en
  • FR797113A - Improved container for pastes, creams and other similar substances : en fr
  • GB446495A - Improvements in and relating to the surface hardening of metal articles : en
  • US2037839A - Beer clarifier : en
  • US2038462A - Closure fastener : en
  • US2038136A - Copper-selenium alloys : en
  • DE628935C - Tobacco stalk plaette device : de en
  • CA357314A - Punching mechanism : en fr
  • DE629070C - Piston seal, consisting of a slotted ring with a conical guide surface, which is adapted to the cylinder sliding surface by means of a closed, rigid ring with a corresponding conical ring surface : de en
  • FR797065A - Gasifier for the production of water gas : en fr
  • FR797233A - Improvements to rotary machines, such as rotary pumps, vane motors, blowers, fans, exhaust fans : en fr
  • AT145403B - Process for the production of a nickel-chromium steel suitable for the production of objects by stamping, pressing and other cold working. : de en
  • US2038114A - Wrapping material : en
  • FR797230A - Construction game consisting of a number of cardboard or similar elements intended to be assembled to form toy houses : en fr
  • FR797024A - Simultaneous and economical construction of beams, posts, and all the elements of a house, forming a homogeneous monolith : en fr
  • US2038371A - Soap powder dispenser : en
  • USD99397S - Design for a combined corner : en
  • US2038056A - Remote control system : en
  • US2037882A - Cigar lighter : en
  • DE1371036U - : de
  • GB446000A - Improvements in and relating to ironing machines : en
  • AT145470B - Hand-controlled ski sledge. : de en
  • US2037949A - Force-measuring device : en
  • US2037991A - Curtain stretcher : en
  • US2037723A - Butter package : en
  • US2038103A - Apparatus for distilling petroleum and the like : en
  • FR797231A - Improvements in the manufacture of objects composed of metallic elements : en fr
  • FR797035A - Improvements to metal constructions : en fr
  • DE629030C - Folding top, especially for Krat vehicles : de en
  • US2038026A - Cribbage board : en
  • FR797167A - Method and apparatus for facilitating the action of a gas or vapor on a liquid or a mixture of liquids : en fr
  • GB445971A - Improvements relating to window blinds for motor road vehicles : en
  • GB446074A - Improvements in fuel injection pumps for internal combustion engines : en
  • FR797093A - Sewing machine table or cabinet : en fr
  • GB446063A - Improvements in or relating to the production of hard metal alloys : en
  • US2037722A - Sewing machine : en
  • US2037831A - Air conditioning system : en
  • US2038176A - Compressor unit : en
  • DE624258C - Door lock, in which the bolt held in the open position is triggered when the door is slammed : de en
  • US2037904A - Endless conveyer for driers : en
  • US2038295A - Cylinder grinder : en
  • US2038189A - Rivet and method of setting same : en
  • CA357251A - Servo-brake mechanism : en fr
  • DE629096C - Control device for steam-heated paper machines : de en
  • DK51546C - Magnetic Separator. : da en
  • DK51537C - Stejlkartotek. : da en
  • US2037948A - Composition of asphalt emulsions : en
  • US2038266A - Window : en
  • CA357239A - Metal tube extrusion press : en fr
  • FR797141A - Process for affixing inscriptions on cinematographic films : en fr
  • GB445817A - Improvements in method and apparatus for assembling receptacle parts : en
  • DE629091C - Device for deep irradiation, in particular for removing hair growth, using a device that generates electrons, preferably cathode rays, with a high penetration capability : de en
  • DE629268C - Process for making electrical contacts : de en
  • AT145304B - Method and device for bending glass sheets. : de en
  • DE629014C - Process for thermal post-treatment of copper oxide layers : de en
  • US2038417A - Integral fan and fan housing : en
  • FR797032A - New spoon for fishing : en fr
  • AT145346B - Shoe insert with a plastic arched upper part corresponding to the shape of the soles of the foot and pockets to accommodate exchangeable support bodies. : de en
  • FR797282A - Improvements to machines for vitrifying the bases of electric lamps by applying a process of abrupt cooling of the casting of the glass in the base : en fr
  • GB445963A - Process for converting alcohols into ethers : en
  • DE629042C - Device for draining steam engines, in particular auxiliary steam engines for locomotives : de en
  • US2037699A - Pen and method of making the same : en
  • USD99351S - Design for a comfortable : en
  • FR797342A - Refrigerated train : en fr
  • DE629114C - Aircraft coverage : de en
  • US2037714A - Method and apparatus for operating cascade systems with regeneration : en
  • US2038514A - Means for projecting light : en
  • US2038370A - Combination ashtray and pipe cleaner : en
  • US2037960A - Tractor beet harvester : en
  • US2038443A - Band brake for epicyclic gearing, freewheel mechanism, and the like : en
  • US2037951A - Fixed resistor unit and process of forming the same : en
  • GB445903A - Improvements relating to moulding plastic substances : en
  • US2038348A - Individual filter for the spinning of artificial filaments, threads, and the like : en
  • US2037779A - Safety device for motor vehicles : en
  • FI17033A - Foam extinguisher : en fi
  • FI17016A - Blek-, tvätt-, rengörings- och spolmedel : en fi
  • FR797156A - Method for heating pressure-tight containers : en fr
  • FR797375A - Fire alarm : en fr
  • GB445790A - Improvements in and relating to asbestos-cement flanged, socketted, spigotted and ball-jointed pipes and apparatus for making the same : en
  • DE629142C - Circuit arrangement for telephone systems : de en
  • GB446147A - New or improved composition for the stripping of coated surfaces : en
  • GB445827A - An anti-dazzle attachment for motor vehicle headlamps : en
  • GB446157A - Improvements relating to electric ovens, particularly for preparing eatables : en
  • AU2264135A - Improvements in and connected withthe packing and vending ofice cream andother like confections : en
  • FR797003A - Urea resin containing a solid object and method of manufacture : en fr
  • FR797107A - Device for forming the bottom square to cross-bottom bags : en fr
  • GB446117A - A combined washing machine and wringer : en
  • US2037921A - Reversible plug and pouring spout for containers : en
  • GB446419A - Improvements in or connected with compressed air turbine driven belt conveyors : en
  • FR797123A - Electric filters : en fr
  • US2038475A - Antifriction bearing and method of making the same : en
  • FR797201A - Detergent preparations : en fr
  • FR797305A - Heating device operating according to the accumulation principle : en fr
  • GB446163A - A process and device for producing leather horse covers : en
  • FR797265A - Fuels for pulverized carbon engines and oil heaters : en fr
  • GB445906A - Improvements in or relating to electrically operated hand tools : en
  • GB446024A - A method of and means for the manufacture of covering glasses, particularly watch glasses made of celluloid or similar material, with outwardly cambered or curved surface : en
  • FR797142A - Improvements to photographic products : en fr
  • DE629236C - Crank device for driving roller shutters or the like. : de en
  • FI17025A - Device for automatically opening and closing elevator car doors : en fi
  • FR797392A - Field lighting device : en fr
  • FR797026A - Concrete floor : en fr
  • FR797397A - New method for determining the fluidity of metal baths and testing machine for its application : en fr
  • GB446010A - Improvements in cameras fitted with exposure meters : en
  • FR797331A - Refrigeration unit for rooms operating by connection to water pipes : en fr
  • FI17024A - Compress : en fi
  • US2038044A - Method of and apparatus for testing dough : en
  • FR797177A - connecting element for metal constructions : en fr
  • GB445901A - Improvements in and relating to method and apparatus for rolling : en
  • DE629267C - Magnetron arrangement : de en
  • US2037923A - Method of closing metal containers : en
  • US2038024A - Reciprocating piston engine : en
  • US2038143A - Folding bracket : en
  • DE629160C - Automatic lubrication device for roller bearings of high-speed vertical shafts : de en
  • DK51543C - Method for reducing the casting or curvature of image films, sound films and sound films which have only a series of feed holes along one longitudinal edge. : da en
  • FR797007A - Improvements to manhole covers and frames : en fr
  • GB446105A - Improvements relating to electrical switches and circuit breakers : en
  • DE629047C - Process for the desulphurization of cooled coal distillation gases : de en
  • FR797028A - Improvements to pneumatic soles : en fr
  • FR797121A - Improvements to telegraphic transmission devices with printing : en fr
  • FR797272A - Installation and tools for checking the connecting rods of combustion engines and others : en fr
  • DE1370996U - : de en
  • GB445900A - Improvements in casement windows : en
  • DE629064C - Clamp connection for pipes used in particular for scaffolding : de en
  • DE629069C - Spark plug : de en
  • US2038122A - Boiler : en
  • US2038275A - Pad for applying heat to portion of a person's head : en
  • SE86133C1 - : sv
  • US2037787A - Power transmission mechanism : en
  • AT145409B - Process for the non-stop showing of sound films. : de en
  • CA357270A - Thermostatic fuel control : en fr
  • FR797083A - Hair washing products : en fr
  • GB446173A - Process for the manufacture of condensation products : en
  • FR797353A - Method and apparatus for printing sheets of paper or the like in lines or in paragraphs using copying reverse writing : en fr
  • US2037725A - Rotary embroidering machine : en
  • US2038265A - Trailer vehicle : en
  • FR797176A - Self-opening and closing sprinkler system and devices : en fr
  • US2038089A - Diaphragm pump : en
  • US2037910A - Dyeing cellulose esters and ethers : en
  • US2038195A - Electric system for vehicles : en
  • US2038392A - Device for the prevention of refilling bottles : en
  • US2037879A - Liquid level indicator : en
  • US2038066A - Washing machine : en
  • USD99340S - Design for a store front : en
  • USD99346S - Design for a pencil : en
  • FR797291A - Heels for shoes : en fr
  • US2037730A - Electric switch : en
  • US2037984A - Piston ring : en
  • US2038327A - X-ray table : en
  • FR797372A - Improvements to portable cinematographic devices : en fr
  • GB446053A - Improvements in and relating to film feeding devices for cinematograph appliances : en
  • DE629090C - Arrangement for remote control, in particular wireless remote control of the passage of current through grid-controlled vapor or gas-filled discharge vessels : de en
  • DE629149C - Device for the intermittent rolling of glass plates : de en
  • DE629153C - Improvement of the mechanical properties of paintwork, adhesions, plastic compounds, etc. : de en
  • DE629228C - Paper holder for photographic enlarging devices : de en
  • US2038505A - Rectifier control system : en
  • FR797170A - Smoke barrier and aerodynamic cowling for locomotive : en fr
  • FR797287A - Two-filament incandescent electric lamp, in particular for automotive vehicle headlights : en fr
  • US2038034A - Refractory material and method of making the same : en
  • DE629120C - Centrifugal machine, in particular a steam turbine : de en
  • FR797072A - Process for preparing multi-ring carboxylic amides : en fr
  • GB446145A - Improvements in or relating to electrical oscillation generators : en
  • GB445899A - Improvements in and relating to the assembling mechanism of typographical composing machines : en
  • AU2230635A - Improved clothes peg : en
  • CA357285A - Picture telegraph system : en fr
  • DE629098C - Process for making an easily combustible coke : de en
  • AU2269235A - Automatic flushing system for sanitary pans : en
  • US2038274A - Method and tool for anchoring tubes : en
  • USD99343S - Design fob an illuminator fob x-bay : en
  • US2037891A - Display and storage rack : en
  • US2037999A - Refuse-collecting cart : en
  • US2038124A - Apparatus for forming pressed keys : en
  • US2038215A - Lubricating and protective coating : en
  • AT145453B - Electric circuit breaker. : de en
  • AT145493B - Process for the production of boron-containing fertilizers. : de en
  • AU2440535A - Improvements insteel wool scouring and polishing cloths : en
  • US2037922A - Dispensing container : en
  • AT145480B - Lock for tin cans, especially food cans, that can be opened with a key. : de en
  • US2037983A - Rubber track for track laying tractors : en
  • US2038321A - Radio tuning device : en
  • AU2386535A - Improvements in paper containers : en
  • DE629264C - Vacuum switch : de en
  • US2038273A - Gauge : en
  • US2037829A - Loom shuttle : en
  • USD99395S - Magazine stand : en
  • AU2094135A - Improvements inthe manufacture and use of cellulose acetate crepe threads : en
  • US2037757A - Stretching frame : en
  • US2038242A - Undergarment : en
  • CA357363A - Suction cleaner : en fr
  • US2038099A - Coilable measuring device : en
  • DE629177C - Process for the production of abrasive grains : de en
  • FR797309A - Automatic scale : en fr
  • AT145387B - Device for slow heating of baking rooms. : de en
  • US2037744A - Curing laminated sheeting : en
  • US2038455A - Apparatus for making imitation counterfeit articles : en
  • US2037925A - Apparatus for measuring radiations : en
  • AT145340B - Slide rule. : de en
  • US2038039A - Oil separator : en
  • USD99365S - Design for a range : en
  • AU2357435A - Improvements relating to fluid pressure braking apparatus : en
  • CA357341A - Knitting mechanism : en fr
  • FR797340A - A method of manufacturing a combustion engine piston by die casting : en fr
  • US2037805A - Retractable step for streamline railway cars : en
  • US2037974A - Sulphonic acids of higher aliphatic ketones : en
  • US2038040A - Closure for bottles and other containers : en
  • US2038017A - Clutch structure : en
  • USRE19935E - Nonreversing open-hearth furnace : en
  • DE629115C - Handlebars on bicycles and motorcycles that can be decoupled from control intervention : de en
  • AU2089035A - Braun tube : en
  • CA357305A - Eyeglass case : en fr
  • FR797214A - Reflective, diffusing, translucent or not, in particular for advertising uses : en fr
  • US2037874A - Thermometer : en
  • USD99373S - Design fob a burial vault : en
  • AT145427B - Heavy oil gasifier. : de en
  • AU2415835A - Improvements relating to means for use when trying on hats : en
  • US2038190A - Feeder : en
  • US2038314A - Absorption system : en
  • US2037916A - Machine for welding tubular articles : en
  • US2037961A - Automotive driving axle : en
  • US2038425A - Tire cover : en
  • US2038129A - Box-forming system : en
  • AT145365B - Circuit breaker. : de en
  • CA357258A - Gear shifting mechanism : en fr
  • CA357343A - Book form towel pad : en fr
  • US2038378A - Electrical insulation material : en
  • CA357272A - Lock : en fr
  • AT145369B - Mannequin. : de en
  • DE629175C - Device for holding pewter figures while they are being painted : de en
  • US2037834A - Clamp puller : en
  • USD99414S - Design fob a combined beading back : en
  • US2037888A - Operating table : en
  • US2037977A - High frequency oscillation system : en
  • US2038234A - Tire protecting shield : en
  • US2038362A - Sorting conveyer : en
  • US2037780A - Door actuating apparatus : en
  • US2037808A - Discharging mechanism fob : en
  • FR797118A - Process for making a double convolution lamp filament and resulting product : en fr
  • FR797358A - Advanced pin or key : en fr
  • GB445797A - Improvements in or relating to means for lighting or refuelling of fires : en
  • AT145321B - Ambulance device. : de en
  • DE629003C - Process for printing cellulose esters : de en
  • AT145437B - Electric discharge tube with gas filling. : de en
  • AU2077135A - Improvements in and relating to confections : en
  • AU2114635A - Improvements inthe manufacture of artificial yarns foils and similar materials having a basis of organic derivatives of cellulose : en
  • DE629006C - Portable hand-held device for compacting debris, especially bedding under railway sleepers : de en
  • AU2084235A - Improvements in and relating to electrolytes for electric storage batteries : en
  • US2038002A - Heat exchanger : en
  • DE627565C - Process for the preparation of a compound of codeine with dipropylbarbituric acid : de en
  • US2037924A - X-ray intensity meter : en
  • DE629224C - Friction clutch with a two-part clutch disc : de en
  • AU2164935A - Improvements in or relating to hum elimination from electrical power supply circuit arrangements for eleectron discharge device apparatus : en
  • US2038162A - Quick release valve : en
  • US2037803A - Explosionproof telephone : en
  • US2037907A - Plug and socket coupling : en
  • US2038093A - Control device for railway traffic controlling systems : en
  • US2038373A - Brake beam safety support : en
  • DE629258C - Steep tube boiler with firing for finely divided fuel : de en
  • FR797255A - Installation for shaping and folding clothes of all kinds : en fr
  • US2038282A - Shoe sewing machine : en
  • DK51538C - Coupling in which a multi-grid tube is used for unidirectional or modulation and at the same time for generating high-frequency oscillations. : da en
  • FR797040A - Conveyor-lowering device for materials in the form of rubble : en fr
  • FR797312A - Pen holder with reservoir, combined with a device for erasing ink : en fr
  • US2038280A - Backless vest : en
  • US2038016A - Clutch : en
  • FI17018A - This is the case : en fi
  • US2038144A - Apparatus for preventing wheel sliding : en
  • USRE19936E - Carburizing process : en
  • US2037903A - Wrapping machine conveyer cooler : en
  • US2038188A - Free expanding brake rim and water cooling circulating system for drawworks : en
  • US2037846A - Reduction of disturbing voltages in electric circuits : en
  • US2038504A - Signaling system for railroads : en
  • CA357308A - Oil product refining method : en fr
  • US2037758A - Vacuum brake system for automotive vehicles : en
  • US2037850A - Heating apparatus : en
  • US2037890A - Household appliance : en
  • FR797235A - Protective cover for books : en fr
  • GB446233A - A joint for a wire woven fabric : en
  • US2037794A - Eye construction for double bar bumpers : en
  • US2038029A - Hold-fast device : en
  • US2038496A - Coin gauge : en
  • US2037947A - Universal joint : en
  • US2038127A - Method of making squids and the like : en
  • US2038317A - Folding box : en
  • USD99411S - Design for a bottle : en
  • US2038249A - Sandblast nozzle and holder : en
  • USD99375S - Design fob a bench ob similar article : en
  • AT145375B - Process for the production of wool-like synthetic fibers. : de en
  • DE629031C - Sealing sleeve for the expanding cylinder of a hydraulic braking device, especially of motor vehicles : de en
  • FR797132A - System for automatic regulation of the transmission characteristics in amplification installations, with short oscillation establishment time : en fr
  • FR797395A - Electronic discharge device : en fr
  • GB445792A - Improvements in or relating to joining or uniting metal parts : en
  • CA357261A - Electric fixture : en fr
  • DE629095C - Circulation conveyor with a number of sending points and one of these separate series of receiving points : de en
  • AT145316B - Tool for cutting belts. : de en
  • AT145327B - Anastigmatic lens for photography and projection. : de en
  • AT145471B - Writing device for registering speedometers. : de en
  • FR797191A - Improvement of the capsules for the closure of the bottles : en fr
  • FR797169A - Armored electric cable : en fr
  • FR797288A - Hardware for doors or windows : en fr
  • FR797323A - Improvements to glasses resistant to alkaline metal vapors and their manufacturing process : en fr
  • FR797394A - Intermediate layer for joining materials with high cutting resistance to a base material by welding : en fr
  • GB446089A - Improvements in or relating to powder puffs : en
  • GB445917A - Carrier wave signalling system : en
  • DE629208C - Self-collecting network connection radio receiver : de en
  • US2038197A - Pie knife : en
  • GB445912A - Improvements in or relating to television and like systems : en
  • FR797183A - gravel spreader or various weighting materials : en fr
  • US2038030A - Internal combustion engine : en
  • US2038302A - Photographic apparatus : en
  • USD99384S - Design for a shoe : en
  • DE628994C - Electric oscillating armature motor : de en
  • DE629203C - Wheel holding device for loose wheels from Büechsenradsaetzen : de en
  • FR797360A - Gear shift mechanism : en fr
  • US2037752A - Cup dispenser : en
  • US2038216A - Support for vibration translating devices : en
  • FR797147A - Forklift and transporter : en fr
  • GB445814A - Method of making pigmented paper : en
  • US2038067A - Control system : en
  • US2038430A - Photographic printing apparatus : en
  • US2038064A - Shipping container : en
  • USD99344S - Design for a shoe : en
  • FR797370A - Improvements to soundproof windows ensuring ventilation : en fr
  • FR797313A - Electric brake controlled by a new electric motor command transmitter : en fr
  • DE629110C - Controlled counter cylinder on shaker chutes : de en
  • FR797154A - Welder for precision work in dental prosthesis, jewelry and similar applications : en fr
  • FR797393A - Belt drive : en fr
  • GB446150A - Improvements in dividing apparatus for machine tools such as used for cutting toothed wheels and the like : en
  • US2037877A - Brace : en
  • FR797027A - Protective liner for stockings, socks, etc. : en fr
  • FR797261A - Machines for emptying and filling glass ampoules : en fr
  • DE626015C - Link mat for wiping off shoe soles : de en
  • FR797254A - Conductor rails with copper mushroom : en fr
  • GB445892A - Process for the manufacture of dyestuffs of the anthracene series : en
  • US2038164A - Fluid pressure brake : en
  • USD99362S - Design fob a steam spraying : en
  • CA357362A - Electric primary cell : en fr
  • DE629187C - Two-layer cardboard roof with intersecting panels : de en
  • GB446168A - Improvements in connection with thermostatic control : en
  • FR797009A - Improvements to electric heaters with convection air currents : en fr
  • FR797229A - Improvements in the treatment of food and other products containing liquids and products resulting from said treatment : en fr
  • US2038513A - Tube base and socket : en
  • AT145412B - Device for dewatering paper, cardboard, etc. like : de en
  • DE628985C - Keyless lock, especially for connecting steel rods : de en
  • US2037698A - Vibration recording instrument : en
  • FR797391A - Process and device for the manufacture of spunable artificial textile fibers : en fr
  • DE629017C - Clamshell motor grab : de en
  • GB446016A - Improvements in or relating to methods of, and apparatus for, determining colour values of illumination, more particularly in relation to colour photography : en
  • FR797260A - Saddle for motorcycles, bicycles and the like : en fr
  • FR797008A - Improvements to the rolling process and equipment : en fr
  • US2037962A - Pipe joint and method of making the same : en
  • US2037975A - Washboard : en
  • US2038233A - Boat davit : en
  • US2037930A - Machine for cutting bevel gears with longitudinally curved teeth : en
  • AT145380B - Bicycle saddle. : de en
  • AU2431735A - Improvements in or relating to chairs, couches and the like : en
  • US2037695A - Hair drier : en
  • US2038281A - Radio receiving apparatus : en
  • US2038439A - Welded joint and method of making same : en
  • CA357318A - Poultry tagging device : en fr
  • GB446031A - Apparatus for measuring the frequency of impulses : en
  • GB445822A - Improvements relating to roof or wall coverings : en
  • GB446022A - Improvements in or relating to means for preventing unauthorised use of motor and other cycles : en
  • CA357364A - Repeating gun : en fr
  • US2037898A - Method of making dyed rubber products : en
  • DE629068C - Fuel control device for injection internal combustion engines : de en
  • DE629116C - Spring-loaded bearing for watch balance pin : de en
  • FR797205A - Wiper : en fr
  • DE629155C - Self-indicating scales with pressure device : de en
  • FR797002A - Hub puller device, particularly for automobile wheels : en fr
  • FR797179A - Compressor : en fr
  • FI17028A - Crushing or granulating machines for the treatment of the material : en fi
  • FR797001A - Improvements to punching machines controlled by model cards : en fr
  • FR797106A - Wind motor : en fr
  • FR797296A - Roller for sliding doors or the like : en fr
  • FR797030A - Device intended to replace bedpans : en fr
  • DE628896C - Rollherdfoerderoefen for annealing sheets, plates or the like. : de en
  • DE629139C - Process for the production of a storage-stable lime- and magnesia-containing fertilizer : de en
  • CA357309A - Classifier : en fr
  • US2038146A - Means for preventing sliding wheels : en
  • AU2117535A - Improvements in or relating to cricket bails : en
  • AT145352B - Screw connection for parts made of wood or similar material. : de en
  • GB445872A - Improvements in or relating to fuel injection pumps for internal combustion engines : en
  • GB445924A - Improved means for ascertaining the corresponding time in various countries : en
  • GB446037A - Improvements in and relating to cutting-off grinding wheel and method of making it : en
  • US2037702A - Fuel atomizing and injecting assembly for internal combustion engines : en
  • US2037867A - Vehicle brake : en
  • US2038150A - Glass edging machine : en
  • AT145374B - Process for the production of clear drying nitrocellulose lacquers. : de en
  • CA357259A - Adhesive : en fr
  • US2038130A - Closure for collapsible tubes : en
  • US2038131A - Lubricating system for compressors : en
  • CA357315A - Thread conveying apparatus : en fr
  • US2037966A - Interchangeable sectional picture : en
  • US2037784A - Pressing machine : en
  • US2037963A - Automatic slide projector : en
  • US2038079A - Antifriction bearing : en
  • US2038326A - Motor vehicle : en
  • AU2439335A - Improvements in tire grooving machines : en
  • US2037812A - Pipe joint : en
  • US2038203A - Electrical connecter : en
  • DE628964C - Stair runner holder encompassing the running edge like a bracket : de en
  • AU2175235A - An improved combination tea waggon and buffet : en
  • CA357351A - Valve for can filling machines : en fr
  • US2037691A - Multiple filling machine : en
  • US2037818A - Egg carton : en
  • US2038310A - Surgical mask : en
  • AT145425B - Fixed pipeline insulating against heat exchange, especially for liquids and gases. : de en
  • US2038331A - Pocket for garments : en
  • USD99337S - Design for a spoon ob similar : en
  • AU2276035A - Improved harvesting machine : en
  • AT145414B - Stone iron ceiling with alternating stones of different heights in the individual stone rows. : de en
  • US2038205A - Molding press : en
  • GB446036A - Improvements in or relating to percussive tools actuated by compressed air : en
  • AU2206235A - Improvements inthe removal of gaseous weak acids from gases containing thesame : en
  • AT145331B - Device for the identification of an interrupted filament of series-heated electron tubes, especially in radio sets. : de en
  • AT145475B - Device for registering the number and speed of rolling axles. : de en
  • FR797081A - Calculating machine to divide : en fr
  • US2038214A - Internal combustion engine : en
  • FR797262A - cartridge case : en fr
  • FR797146A - Capping device : en fr
  • GB446272A - Improved self-fixing and adjustable attachments for coat hangers and the like : en
  • US2037734A - Crystallizing lacquer : en
  • US2037886A - Process for breaking petroleum emulsions : en
  • GB445952A - Improved electric switching arrangement for the remote control of rotary machines : en
  • GB446097A - Improvements in and relating to web roll supports : en
  • AT145309B - Coin counter. : de en
  • AT145422B - Cooker absorber for absorption refrigeration machines working with solid, swellable absorbent materials and process for its production. : de en
  • DE629158C - Watering container made of waterproof fabric : de en
  • US2038277A - Electrical meter : en
  • USD99394S - H jewett : en
  • DE628982C - Glass washing device : de en
  • DE629146C - Control device for electrical lines : de en
  • FR797138A - Improvements to stapling machines : en fr
  • FR797194A - Improvements to chronometer-type tachometers : en fr
  • AU2081435A - Receiving aerial for ultrashort waves : en
  • FR797070A - Method and device for gauging instantaneous passage quantities of liquids and in particular small quantities : en fr
  • GB445809A - Improved process of manufacturing textile articles : en
  • GB445880A - New or improved mediums for cleaning and polishing glassware and the like : en
  • USD99393S - Design for an apartment frock : en
  • USD99403S - Design for a glove : en
  • DE629024C - Photographic camera with setting viewfinder : de en
  • US2038457A - Fabric drier : en
  • US2038033A - Combined arm rest and handle : en
  • US2037700A - Less than carload freight container : en
  • US2037748A - Indicating device for engine cooling systems : en
  • DE629161C - Expansion compensator for pipes : de en
  • FI17023A - Relay, integrated magnetic tape : en fi
  • GB445977A - Improvements in or relating to attenuation controlling electrical networks : en
  • USD99401S - Design for a glove : en
  • GB446141A - Improvements in and relating to dental bridges : en
  • DE629010C - Light wall switches, in particular rotary switches, with equipment for regulating the light intensity : de en
  • GB445943A - An improved flexible gasket for closing joints : en
  • FR797297A - Improvements to thermal engines : en fr
  • GB446273A - Improvements relating to spraying apparatus more particularly for painting or varnishing vehicles : en
  • FR797383A - Electric oven especially for preparing food by heated air : en fr
  • GB446119A - Improvements in or relating to hoisting and lifting slings : en
  • FR797221A - Radiator with removable elements : en fr
  • DE629230C - Device for cleaning glasses u. like : de en
  • FR797011A - Process for stabilizing hydrocarbons in the light : en fr
  • US2038272A - Servomotor control : en
  • FR797378A - Manufacturing process for caps for caps : en fr
  • GB446081A - Improvements in or relating to motion picture projecting apparatus : en
  • GB445973A - Improvements in variable-speed epicyclic gearing : en
  • DE627872C - Probe lever measuring device with electrical control of the work process, especially on internal grinding machines : de en
  • GB445939A - Improvements relating to gas and electric domestic ovens : en
  • GB446127A - Improvements in and relating to means for sealing filled containers : en
  • GB445947A - Improvements in lavatory basins and sinks : en
  • US2038209A - Tire cover : en
  • FR797256A - Apparatus and method for using maps for air navigation in all directions : en fr
  • DE629167C - Jig for central photographic locks : de en
  • AT145421B - Cantilever reinforced concrete wall. : de en
  • US2037768A - Syringe : en
  • US2038070A - Key case : en
  • US2038071A - Fluid treating device : en
  • US2038160A - Under water cement and mortar : en
  • US2037720A - Road machine : en
  • DE628956C - Butt connection for light rail tracks with a screw cap : de en
  • FR797134A - Reflective luminaire for illuminating long and narrow surfaces : en fr
  • FR797227A - Improvements made to electrical circuit breaking devices : en fr
  • GB445830A - Improvements in and relating to the springing arrangements for the wheels of vehicles : en
  • GB446490A - Improvements in dish washing machines : en
  • US2038240A - Transmission system : en
  • US2038251A - Process for the thermic treatment of small particles : en
  • FR797211A - New jewelry chain or similar : en fr
  • FR797269A - Relay set to a determined limit value of the ratio of two electrical measurement characteristics : en fr
  • GB446064A - Process for the manufacture of building plates : en
  • GB446138A - Improvements in and relating to thermally controlled time delay switches : en
  • DE629108C - Circular knitting machine for openwork goods : de en
  • FR797292A - Scanning and charging process for internal combustion engines operating according to the two-stroke cycle : en fr
  • DE629101C - Electric motor drive for rewinding devices with support rollers : de en
  • US2037995A - Acoustical plaster composition : en
  • US2038323A - Radio tuning device : en
  • US2037742A - Photographic developer : en
  • GB446502A - Process for the reduction of metalliferous materials : en
  • US2037735A - Electric motor and brake therefor : en
  • US2038140A - Packing head : en
  • US2038269A - Insulating mechanism : en
  • US2038296A - Supporting structure for concrete floors : en
  • US2038369A - Method for transforming hydrocarbons : en
  • USD99423S - Design for a sport glove : en
  • FR797109A - Improvements to vacuum regulating devices in fireplaces, stoves and other heating devices : en fr
  • GB445791A - Improvements in or relating to means for controlling vapour arc convertors : en
  • DE629245C - Arrangement for message control in pressure telegraph systems with transmitter keyboard : de en
  • GB446100A - Improvements relating to road vehicle electric lamps : en
  • US2038351A - Highway guardrail : en
  • GB446107A - Improvements in filtering-apparatus : en
  • US2038097A - Priming mixture : en
  • DE629219C - Process for the production of strong wooden bodies from individual veneer lamellas using synthetic resin glue that is to be glued warm : de en
  • US2038404A - Engine piston : en
  • AT145496B - Device for removing fermentation gases from barrels and. like : de en
  • DE628940C - Device for introducing the fabric web into felt calenders while relieving the longitudinal tension : de en
  • CA357269A - Gaseous fuel burner : en fr
  • US2038267A - Exhalation valve : en
  • GB445949A - Improvements relating to means or devices for holding cutlery in picnic outfit casesand other cases such as cutlery canteens : en
  • DE629112C - Copper plating of seamless tubes : de en
  • DE629239C - Tool for making stencils : de en
  • US2037912A - Cigarette case and the like : en
  • US2038049A - Low voltage gas arc lamp : en
  • DE628954C - Process for the preparation of heterocyclic compounds : de en
  • CA357263A - Studio lounge : en fr
  • USRE19941E - Cutting-off mechanism in cigarette : en
  • AT145344B - Shoe inserts, especially for flat feet or flat feet. : de en
  • CA357330A - Window channel : en fr
  • US2037955A - Means for splitting pipe collars in situ : en
  • US2038061A - Braun tube : en
  • US2038328A - Manufacture of rubberized fabrics : en
  • CA357286A - Thermionic valve circuit : en fr
  • CA357252A - Refrigeration apparatus : en fr
  • AT145406B - Cross rolling mill for the production of thin-walled tubes by longitudinal stretching of hollow bodies. : de en
  • AT145391B - A device that acts as an electric resistor with a falling characteristic using an electron tube. : de en
  • US2038020A - Shock absorbing coupling : en
  • USD99417S - Design for a radio receiver cabinet : en
  • US2037809A - Chemical manufacture : en
  • US2037753A - Amplifier : en
  • US2038255A - Apparatus for and method of shearing hollow pieces : en
  • US2037845A - Radiator : en
  • US2038069A - Coin controlled apparatus : en
  • US2038509A - Gear structure : en
  • USD99399S - Design for a keceptacije : en
  • USD99350S - Design for a bottle : en
  • DE628973C - Two-part clasp, especially for necklaces, bracelets, belts, etc. : de en
  • DE629131C - Attachment for folders and like : de en
  • FR797379A - Arrangement of thermal engine valves by rocker arms and rods : en fr
  • FR797108A - Method and device for forming the bottom of gusseted bags : en fr
  • US2037733A - Process of manufacturing composite metals containing nickel : en
  • US2038178A - Electric arc welding : en
  • US2038382A - Window molding : en
  • AT145383B - Holder for pencils or nibs. : de en
  • DE628976C - Scissors for cutting sheet metal : de en
  • AT145495B - Coreless induction furnace. : de en
  • AT145433B - Pre-compressor system for vehicle internal combustion engines that operate temporarily with supercharging or overcharging. : de en
  • AT145447B - Arrangement for commutation in rectifiers or inverters that work with grid-controlled vapor or gas discharge paths and synchronous isolators. : de en
  • US2038154A - Sanding wheel for shoes : en
  • US2037861A - Radiator : en
  • US2038453A - Rubber tired skate wheel : en
  • US2038507A - Electric arc extinguishing medium : en
  • FI17020A - Sätt för framställning av organiciska syraanhybrider : en fi
  • FR797361A - Seals for electric cables containing insulating fluids : en fr
  • GB445944A - Improvements in or connected with show cards, tickets and the like : en
  • US2038072A - Process for crystallizing and product thereof : en
  • US2038490A - Top for rumble seats : en
  • US2037940A - Means for preventing the separation of the flow from curved surfaces : en
  • CA357357A - Telescopic bifocal lens : en fr
  • FR797163A - Method of weaving brush mat made of coir or other fiber and resulting product : en fr
  • FR797337A - Process for treating the surface of objects made of aluminum or aluminum alloys, and objects treated by this process : en fr
  • FR797374A - Gradual and automatic gear change : en fr
  • GB445978A - Improvements in or relating to cathode ray tubes for television and like purposes : en
  • GB446004A - Improvements in or relating to a starting unloader for multi-stage air compressors : en
  • AT145393B - Adjustable wind position. : de en
  • US2037968A - Safety signal device for tires : en
  • AT145305B - Conveyor roller for items of high temperature. : de en
  • AU2218635A - Improvements in indicating devices for use in association with dial switches orthe like : en
  • US2037880A - Fan : en
  • US2037987A - Baby carriage : en
  • US2037789A - Treatment of hydrocarbon oils : en
  • US2038098A - Thermostatic switch : en
  • DE629123C - Process for the preservation of egg contents by freezing at low temperatures : de en
  • FR797064A - Electric regulators : en fr
  • AU2466835A - Improvements in paper containers : en
  • US2038011A - Mounting for vehicle wheels : en
  • US2037928A - Clutch plate : en
  • US2038448A - Necktie holder : en
  • US2038283A - Lockstitch shoe sewing machine : en
  • US2038102A - Siding material : en
  • US2038516A - Method of producing drawings or other compositions : en
  • US2038360A - Electric discharge tube : en
  • GB445989A - Improvements relating to toy vehicles : en
  • US2038291A - Junction box : en
  • US2038431A - Apparatus for controlling moisture content of material : en
  • CA357262A - Furnace regenerator : en fr
  • US2037848A - Electrolytic device and method of making same : en
  • US2038222A - Telephone system : en
  • DE629127C - Tin ring for baking cakes and similar pastries : de en
  • FR797150A - Pest trap : en fr
  • US2037875A - Train dispatching system for railroads : en
  • FR797054A - Consistent adhesive greases and their manufacturing process : en fr
  • GB445969A - Clocks : en
  • US2038001A - Trailer : en
  • US2038442A - Motor compressor : en
  • FR797129A - Accessory to close a cuff or shirt cuff : en fr
  • GB445909A - Improvements in casting means for type line casting machines : en
  • GB445948A - Improvements in or relating to electric discharge devices : en
  • US2038068A - Trap for animals and fowls : en
  • FR797365A - Improvements to air-cooling systems for valveless internal combustion engines : en fr
  • FR797373A - Resistance : en fr
  • GB446049A - An improved paper, and means for use in the manufacture thereof : en
  • GB446124A - Improvements in or relating to fuel injection pumps : en
  • GB446057A - Improvements in or relating to printing telegraph receivers : en
  • DE629270C - Spreading compounds and fillers : de en
  • GB445983A - Improvements in or relating to apparatus for measuring brinell impressions : en
  • CA357265A - Loom mechanism : en fr
  • GB445929A - Improvements in massage appliances : en
  • DE629004C - Device for turning and piling peat sods at the same time : de en
  • FR797185A - Visual tuning system for t reception stations. s. f. : en fr
  • GB446030A - Improvements in or relating to tipping wagons : en
  • DE629184C - Arrangement for modulated transmitters, especially telephone transmitters : de en
  • DE629233C - Spring ring on meat wolves : de en
  • DE628971C - Heat quantity counter with electrical integrating device : de en
  • US2038335A - Cushion blanket : en
  • US2038502A - Machine for cutting or shredding plant leaves, paper, and the like : en
  • US2037941A - Lamp shade : en
  • US2038045A - Tensioned awning arm : en
  • US2038201A - Lock : en
  • DE629162C - Adjustable throttle : de en
  • DE629274C - Vacuum cleaner with an electric lighting device : de en
  • GB445802A - Improvements in bedsteads convertible into other articles of furniture : en
  • US2038239A - Means for delivering cut grain from a harvester to a binder : en
  • US2038121A - Means for mounting bearings on shafts : en
  • US2038445A - Knife and tool sharpener : en
  • FR797143A - Photographic printer : en fr
  • GB446142A - Improvements relating to vehicle seat structure : en
  • DE628943C - Ink pad holder : de en
  • DE629040C - Device for straightening flat wire screws on square braiding machines with the help of a twisted braiding knife : de en
  • US2038077A - Ski : en
  • US2037849A - Safety razor : en
  • US2038113A - Molding composition : en
  • US2038167A - Brake controlling valve device : en
  • DE628924C - Suspension of the wheel axles or wheels, especially for motor vehicles : de en
  • DE629124C - Connection of the superposed transverse springs or links forming the front axle with the steering pin holders by hinge pins, especially for motor vehicles : de en
  • FR797217A - Device for adjusting the orientation of a reflecting mirror, particularly applicable in railway signaling : en fr
  • AT145385B - Device for electrical transmission or control or monitoring of motion processes. : de en
  • DE628944C - Adjustable wave filter with constant absolute bandwidth : de en
  • US2038487A - Apparatus for testing individual bodies : en
  • AT145351B - Bag. : de en
  • DK51551C - Coupling which contains cascaded oscillating circuits for Radio Receivers or similar Devices. : da en
  • GB445884A - Improvements in or relating to wrapping machines : en
  • GB446094A - Improvements relating to aeroplane wings : en
  • FR797389A - Process for using waste materials, such as household and municipal waste, by treatment using a smelting process : en fr
  • US2038363A - Ironing-shoe and method of manufacture thereof : en
  • US2038391A - Time switch : en
  • US2038470A - Blade sharpening machine : en
  • US2038481A - Wind motor : en
  • US2038294A - Coupling system : en
  • US2038379A - Mop : en
  • US2038466A - Flexible coupling : en
  • CA357342A - Combined circuit breaker and transformer : en fr
  • US2038125A - Power pump head : en
  • AT145417B - Door seal. : de en
  • FR797071A - New process for film subtitling : en fr
  • FR797329A - Method and device for the continuous nitration of aromatic hydrocarbons : en fr
  • FR797382A - New anthraquinone vat dye and process for making it : en fr
  • FR797396A - Improvements to siphons for washbasins, baths and the like : en fr
  • GB446106A - Electrical insulator and method of making the same : en
  • US2038501A - Lamp shade support : en
  • US2037732A - Process of producing composite articles containing nickel : en
  • US2037959A - Apparatus for handling bulk materials : en
  • US2038009A - Ball bearing : en
  • US2038367A - Process for the manufacture of concrete having a high electric insulation resistance : en
  • US2038418A - Dispensing package : en
  • USD99389S - Design for a textile fabric : en
  • CA357349A - Yarn winding method : en fr
  • DE629145C - Wattmetric direct current meter with wound iron pieces arranged in the stator field, which are relatively short in the direction of the line of force : de en
  • DE629281C - Coin checker : de en
  • US2038329A - Gas range : en
  • US2037721A - Shoe sewing machine : en
  • US2037885A - Process for breaking petroleum emulsions : en
  • US2038075A - Transformer and power distribution arrangement : en
  • DE629191C - Above ground water post with protective jacket : de en
  • US2038236A - Radio receiver : en
  • GB445888A - Improvements in and relating to the production of beryllium alloys : en
  • GB445793A - A new or improved sun and glare visor for motor vehicles : en
  • US2038208A - Process of heat treating metals : en
  • DE629097C - Universal roll stand : de en
  • US2037998A - Hair drying apparatus : en
  • US2038053A - Portable combination beer cooler and dispenser : en
  • CA357297A - Dynamo regulating system : en fr
  • GB445889A - An improved apparatus for humidifying air and for like purposes : en
  • DE629025C - Spoolless roll film cassette : de en
  • FR797222A - Improvement in the closing of containers : en fr
  • US2037873A - Self-seating sleeve-type valve : en
  • US2038341A - Electron discharge device : en
  • US2038343A - Brooch and clip : en
  • FI17019A - The provisions of this Regulation are based on the reduction of the aid scheme : en fi
  • DE628979C - Process for the manufacture of a container with fibrous material walls and metal fittings for fastening one or both fibrous material floors to the container walls : de en
  • DE629037C - Chain conveyor for devices for heat treatment or sieving of bulk material : de en
  • FR797339A - Process for preparing polyacrylnitrile solutions : en fr
  • GB446070A - Improvements in internal combustion engines of the opposed piston type : en
  • FR797122A - heat exchanger : en fr
  • GB446151A - Improvements in or relating to locks and latches : en
  • GB446179A - Improvements in or relating to counters or registers : en
  • AU2311335A - Accelerators : en
  • AU2380135A - Improvements in and relating to wood preservatives : en
  • AT145461B - Magnet-electric alternators, in particular for bicycles. : de en
  • DE628969C - Machine for the production of panels of any cross-section from synthetic resin and synthetic resin-like compounds : de en
  • DE629254C - Device for smoothing the work rolls of a rolling mill during operation : de en
  • FR797314A - Permanent magnet : en fr
  • AT145498B - Process for the production of objects with thin walls from malleable cast iron. : de en
  • AT145402B - Machine for inserting filter plugs or mouthpieces into finished cigarettes. : de en
  • DE628965C - Chain drive for spiral stairs with movable steps : de en
  • US2037969A - Safety signal device for tires : en
  • US2037710A - Surface finishes of the paint, varnish, enamel, and lacquer type comprising a baked coating carrying a synthetic resin : en
  • CA357291A - Garage elevator : en fr
  • US2038467A - Windmill : en
  • US2038137A - Copper-silicon-selenium alloys : en
  • FR797212A - Grill : en fr
  • GB446128A - Improvements in chairs and seats : en
  • GB445879A - Improvements in and relating to machines for filling collapsible tubes : en
  • CA357303A - Optical system : en fr
  • AU2311435A - Accelerators : en
  • CA357243A - Camera : en fr
  • AT145315B - House and slipper. : de en
  • AT145366B - Headlights, in particular for motor vehicles. : de en
  • DE629168C - Electric stun device for slaughter animals : de en
  • FR797332A - Method of exploration by shifted lines, in particular for television : en fr
  • GB446059A - Improvements relating to rubber surfacing material for floors, pavements, bridges or the like : en
  • US2038128A - Centralized traffic controlling system : en
  • US2038350A - Safety cigar cover : en
  • AT145410B - Packaging for medication or the like in tablet, capsule or pill form. : de en
  • CA357244A - Camera : en fr
  • US2037754A - Superheterodyne receiver : en
  • US2037762A - Pickling compound and method of making and using same : en
  • AT145314B - Auxiliary device for connecting film strips. : de en
  • FR797010A - Stable mixed oil and process for making it : en fr
  • GB445922A - Superheterodyne receiver for wireless reception : en
  • GB446504A - Improvements in and relating to electrical overhead cable systems : en
  • CA357277A - Metal plate printing method : en fr
  • FR797067A - Folding seat convertible into armchair and lounge chair : en fr
  • AT145306B - Auxiliary device for military reconnaissance through aerial photography, especially from an aircraft. : de en
  • DE629130C - Method for attaching hinged strips to tin boxes : de en
  • FR797077A - Oscillating jaw lock : en fr
  • FR797225A - Cold laundry process : en fr
  • DE628960C - Circuit arrangement for generating a time-proportional magnetic deflection of electron or ion beams : de en
  • AT145349B - Color bodies. : de en
  • DE629085C - Business book : de en
  • FR797059A - New azo copper dye, its manufacturing process and applications : en fr
  • FR797278A - Improvements to door hinges, etc. : en fr
  • GB446052A - An improved windscreen wiper motor : en
  • GB446056A - An improved method of manufacture of radiators : en
  • AU2258935A - Process forthe preparation of dry rubber in finely divided solid condition by spraying latex ina drying atmosphere : en
  • US2037838A - Method of making split tapered formed collars : en
  • DK51552C - Lighting system. : da en
  • GB445876A - A method for the automatic weighing of materials of various kinds into batches of equal weight : en
  • GB445908A - Improvements in or relating to the dewaxing of oil : en
  • FR797226A - Motor-compressor unit for supplying heavy fuel, combustion engines or other operating devices : en fr
  • GB445831A - Improvements in cooling devices for gas or vapour discharge tubes of glass, especially mercury-vapour rectifiers of glass, in which the discharge tube is disposed in a receiver containing a liquid : en
  • DE629227C - Vacuum container : de en
  • GB446167A - Improvements in or relating to elastic fabrics : en
  • US2038465A - Temperature measuring and/or recording apparatus : en
  • GB445902A - Improvements in high potential fuses : en
  • GB446090A - Improvements in or relating to plug-and-socket and other couplings, switches, fuses and similar electrical appliances : en
  • DE628963C - Device for polishing, washing, sprinkling or cleaning floors : de en
  • DK51536C - Procedure for making bowls from which cartridge cases and grenade shells can be cold pressed. : da en
  • DE628946C - V-belt : de en
  • GB445987A - An improved device for stropping safety razor blades : en
  • US2037918A - Garment : en
  • GB446159A - Improvements in or relating to electro-magnetic brakes : en
  • FR797042A - Polarity indicating device for accumulator or battery cell : en fr
  • GB446001A - Improvements in and relating to screw-pump installations for the conveyance of water : en
  • FI17032A - Förfaringssätt och apparat för sortering av kemisk och mehanisk pappersmassa : en fi
  • GB446340A - Improvements in or relating to cap closures for petrol and oil tanks, radiators and the like : en
  • GB446154A - Combined ironer and kitchen utility mixer : en
  • FR797029A - Furnace brush, convertible : en fr
  • GB445816A - Improvements in and relating to machine for the manufacture of paper : en
  • FR797047A - Improvements to internal combustion engines, especially air-cooled overhead valve engines : en fr
  • FR797079A - Process for the preparation of coal and other similar materials : en fr
  • US2037976A - Packing ring : en
  • FR797249A - Multiple control teletype system by perforated bands : en fr
  • GB446143A - Improvements in or relating to centrifugal separators : en
  • FR797018A - Reduction mechanism : en fr
  • AU2331835A - Improvements in centrifugal separators for liquids : en
  • USD99425S - Design for a kettle : en
  • GB445789A - Improvements in and relating to electric discharge devices provided with thermostatic switches of bimetallic strip type : en
  • FR797017A - Process for the manufacture of ortho-oxyazo dyes : en fr
  • DE629102C - Loop winding with commutator for direct current, alternating current or three-phase machines : de en
  • GB446491A - Improvements in dentifrice products : en
  • US2037900A - Explosionproof panel board : en
  • US2038497A - Rectifier anode : en
  • US2038063A - Overrunning clutch : en
  • US2038349A - Portable sealed liquid container : en
  • AT145435B - Rotary piston machine, in particular for fluid transmissions. : de en
  • AT145368B - Clothes hanger connected to a trouser hanger. : de en
  • US2038057A - Spring cap for collapsible tubes : en
  • US2038427A - Telephonic signaling device : en
  • FR797399A - Process for manufacturing films and films with perfect transparency : en fr
  • USD99426S - Design for a hose fastener : en
  • DE629002C - Chain-shaped traction means for circulating conveyors : de en
  • USD99368S - Design for a child s garment : en
  • US2037771A - Dispensing container : en
  • US2038424A - Nozzle for vacuum cleaners : en
  • GB446158A - Improvements in or relating to self-lapping driver's brake valve devices : en
  • GB445964A - Improvements in current transformers : en
  • US2037785A - Volume control system for radio receiving apparatus and the like : en
  • US2037709A - Brake mechanism : en
  • US2037889A - Building construction : en
  • AT145348B - Device on Raschel machines for the production of pattern strips running in zigzag lines in the goods. : de en
  • CA357312A - Scale : en fr
  • FR797135A - Improvements to rescue devices : en fr
  • FR797328A - Television reception setup : en fr
  • IE14015L - Electrodes : en
  • AU2162535A - Improvements in or relating tothe dehydration of fruit andother articles : en
  • DE629079C - Skylight opener : de en
  • FR797207A - Can or cardboard container for transporting and storing liquids : en fr
  • US2038243A - Means for producing raised printing for the blind : en
  • US2038085A - Internal combustion engine : en
  • US2038179A - Suspender slide with button loop : en
  • US2038297A - Method of making inductive windings : en
  • CA357292A - Phase sequence apparatus : en fr
  • USD99421S - Design for a toy cannon : en
  • US2038185A - Compressor governor : en
  • DE628959C - Mercury switching tube with an iron core that is enclosed in a vacuum and can be moved electromagnetically : de en
  • AT145357B - Internal combustion engine. : de en
  • AU2231135A - Improvements in tank indicators : en
  • US2038198A - Automatic control for refrigerating apparatus : en
  • AT145483B - Spring-loaded screw hinge, especially for swing doors. : de en
  • AT145399B - Process for producing a baking agent. : de en
  • AT145360B - Control device for continuous rolling mills. : de en
  • AT145466B - Built-in headlights for vehicles. : de en
  • FR797218A - Manufacturing process for steel shells : en fr
  • GB445958A - Improvements in and relating to apparatus for regulating angles of relative rotation between a plurality of rotatable elements or units in a machine : en
  • US2038211A - Wheel : en
  • DK51549C - Method and Apparatus for the manufacture of air-dried peat powder for briquetting. : da en
  • DE629262C - Process for automatic level control in long, loaded telephone cable lines with intermediate amplifiers : de en
  • US2038298A - Amine salts of dyestuffs containing one or more acid groups and their production : en
  • DE629202C - Device for printing one or more adjacent lines of an imprintable printing form : de en
  • AT145342B - Adjustable choke coil. : de en
  • US2038244A - Engine starter : en
  • US2038014A - Means for transporting automobiles : en
  • AT145328B - Electrode arrangement for medical treatment with very high-frequency electrical oscillations. : de en
  • USD99383S - Design for a shoe : en
  • AT145336B - Overlay receiving arrangement. : de en
  • AT145486B - Process and furnace system for the direct production of liquid iron or steel. : de en
  • US2037935A - Means for clamping an inner form in an end part of a pipe : en
  • FR797384A - Improvements to the control of supercharging devices for aircraft engines : en fr
  • US2037887A - Corrective device for secondary clocks : en
  • US2038059A - Instrument for transmitting angular movement : en
  • AT145440B - Protective device with time stage dependent on the line resistance. : de en
  • US2038199A - Signal transmission circuit : en
  • US2037833A - Printing press cylinder and method of preparing the same for the printing operation : en
  • US2037859A - Protective system for cable circuits : en
  • US2037936A - Brake key : en
  • US2038330A - Coin chute : en
  • US2038032A - Shock absorber : en
  • US2038316A - Process of treating water : en
  • DE629019C - Process for the production of hollow bodies : de en
  • DK51553C - Procedure and Machine for Making Divided Folders for Wrapping Cigars. : da en
  • US2037692A - Exhaust oxidizing receiver : en
  • US2038135A - Flush valve : en
  • AT145320B - Process for the transfer of liquid wormers into durable dry preparations. : de en
  • US2038301A - Bathing suit : en
  • AU5027264A - Polymethyl ethers of hexamethylol melamine : en
  • FR797087A - Internal combustion engines with star-shaped working cylinders : en fr
  • GB446414A - Improvements in or relating to methods of cooling air and water : en
  • CA357324A - Air conditioning apparatus : en fr
  • US2037902A - Sweeper : en
  • CA357301A - Photographic apparatus : en fr
  • GB446051A - Improvements in resilient tyres having recesses under pressure and in the fitting up of these tyres on wheel rims : en
  • US2037767A - Heat regulator : en
  • US2038031A - Oil carburetor : en
  • AT145338B - DC amplifier. : de en
  • CA357334A - Starting device for synchronous electric motors : en fr
  • AT145371B - Torque balance for prime movers and electric motors. : de en
  • AT145418B - Hollow stone for making walls. : de en
  • CA357275A - Adjustable fastener : en fr
  • DE628972C - Display device on calculating machines : de en
  • GB445877A - Improvements in or relating to calculating or the like machines : en
  • GB445986A - Piston packing : en
  • CA357293A - Electric motor : en fr
  • US2038163A - Engine starting apparatus : en
  • CA357327A - Gear grinder : en fr
  • AT145500B - Process for spinning rayon at a spinning speed of more than 90 m / min. : de en
  • AT145313B - Listening device on a two-wheeled chassis. : de en
  • US2037726A - Internal combustion motor : en
  • US2038320A - Plate cylinder for rotary printing presses : en
  • US2038087A - Hinge : en
  • US2038500A - Pressure regulator : en
  • US2037847A - Synchronizing system : en
  • US2038156A - Trailer hitch and support : en
  • USD99400S - Design fob a glove : en
  • CA357306A - Eyeglass case hinge : en fr
  • AU2250735A - Means for indicating barrier-positions at races : en
  • CA357307A - Power supply system : en fr
  • US2037705A - Directory : en
  • AT145339B - High-frequency transmitter with tubes connected in series. : de en
  • US2038180A - Secondary vending attachment for vending machines : en
  • US2037993A - Heater and circulator for thermostatic baths : en
  • DE629103C - Arrangement for generating oscillating movements : de en
  • AT145487B - Process for removing the vitreous silicon dioxide produced when zirconium is melted in a mixture with zirconium dioxide. : de en
  • AT145400B - Electric discharge vessel. : de en
  • AT145451B - Automatic control device for several voltage-regulating alternators working in parallel on vehicles. : de en
  • US2038028A - Toasting apparatus : en
  • US2038390A - Resistance welding electrode : en
  • AU2113235A - Wireless television method and arrangement : en
  • CA357338A - Air conditioning apparatus for railway cars : en fr
  • CA357358A - Railway car braking apparatus : en fr
  • DE629266C - Double winch for road voltage surges with movable light trolley : de en
  • FR797243A - Improvements to plows that do not require action on the handlebars : en fr
  • DE629036C - Device for internal embossing, in particular finger rings : de en
  • FR797161A - Device for capturing solid particles dispersed in gases : en fr
  • GB446071A - Improvements in or relating to machines for fashioning articles successively from bar stock : en
  • AT145379B - Method for producing a liquid that can be used in particular as an engine fuel. : de en
  • GB445938A - Improvements in or relating to television and like scanning systems : en
  • DE629044C - Electric switch with arc extinguishing by a flow of compressed gas : de en
  • DE629171C - Device for secreting solid cartilage components when cutting meat : de en
  • CA357250A - Door latch : en fr
  • US2038041A - Condiment dispenser : en
  • US2038388A - Mounting for drill cutters : en
  • USD99349S - Design for a buckle : en
  • US2037824A - Supporting and dispensing device for flexible tubes : en
  • US2038000A - Wood fabricating machine : en
  • AT145326B - High frequency transmitter. : de en
  • AT145353B - Periodically acting absorption chiller. : de en
  • AT145426B - Universal joint. : de en
  • AT145443B - Spark gap, in particular arc converters. : de en
  • FI17021A - Sät och anordning för serieframställning av stommar för bärytor, lådor och karosserier, speciellt för fordon : en fi
  • FI17031A - The Dutch : en fi
  • FR797114A - Manufacture of heating elements : en fr
  • FR797234A - Lighthouse intended mainly for aeronautics : en fr
  • US2038175A - Fishing line guide : en
  • USD99381S - Design for a refrigerator : en
  • USD99427S - Design for a textile fabric : en
  • FR797390A - Multi-piece clip for power outlet conductors of electrified lines : en fr
  • AT145492B - Process for the treatment of the oxide smoke escaping from the combustion chambers of zinc white (zinc oxide) furnaces. : de en
  • USD99396S - Design fob a book back : en
  • USD99353S - Design fob a shoe : en
  • US2038308A - Train control means for toy electric trains : en
  • AT145415B - Headbox and Fourdrinier paper or similar machines. : de en
  • USD99406S - Design for a decorative paper : en
  • CA357344A - Ignition distributor cap : en fr
  • AU2227435A - An improved food slicing and sandwich making machine : en
  • DE629106C - Process for the production of metal-containing azo dyes : de en
  • FR797259A - Method for determining the level of liquid in vessels containing liquefied gases : en fr
  • AT145370B - Process for the production of rolled partial profiles for welded pipes. : de en
  • AT145442B - Arrangement for blocking ion valves in the event of backfire or overload. : de en
  • AT145389B - Instantaneous water heater. : de en
  • AU2078735A - Improvements inthe treatment with hydrogenating gases of distillable carbonaceous materials : en
  • AU405995B2 - Polymethyl ethers of hexamethylol melamine : en
  • DE628941C - Cover rail for letter folder : de en
  • AT145499B - Aluminum alloys with a dense cast structure and high heat resistance. : de en
  • US2037819A - Hydraulic shock absorber : en
  • USD99382S - Wesley : en
  • USD99415S - Cap therefor : en
  • US2037712A - Process of effecting chemical reactions : en
  • AU2114435A - Improvements inthe manufacture of cellulose acetate materials : en
  • AT145490B - Process for the manufacture of rails. : de en
  • DE629100C - High-voltage switchgear with multiple busbar systems : de en
  • DE629134C - Process for the production of pure, clear and durable hydrogen peroxide solutions : de en
  • US2037988A - Baby carriage : en
  • US2038204A - Feeding means for round bars : en
  • US2038218A - Refrigerated receptacle : en
  • CA357336A - Alkyl sulphuric acid alcohol : en fr
  • US2037788A - Process and apparatus for producing variegated roofing : en
  • US2038395A - Drying machine : en
  • US2038473A - Valve stem : en
  • US2037863A - Lighting system for automobile vehicles : en
  • US2038082A - Apparatus for changing speed and direction of rotation by reversing a constant speedmotor : en
  • US2038333A - Cigarette igniter and dispenser : en
  • US2037697A - Duplex steam motor : en
  • AT145444B - Arrangement for voltage regulation of converters. : de en
  • AT145341B - Radio receiver with automatic selectivity control. : de en
  • FR797158A - Hand control for boats : en fr
  • DE629210C - Arrangement for improving the operation of self-excited inverters working with grid-controlled vapor or gas discharge paths : de en
  • GB446114A - Process for the production of valuable hydrocarbons by heat treatment with hydrogenating gases of distillable carbonaceous materials : en
  • US2037979A - Disk removing tool for cream separators : en
  • CA357300A - Magnesium fabricating method : en fr
  • GB445810A - Improvements in and relating to free-piston compressors : en
  • CA357268A - Beer faucet : en fr
  • FR797149A - Improvements in the construction of fuselages, bodies, etc. : en fr
  • FR797164A - Recovery of carbon monoxide from gases : en fr
  • DE629023C - Process for the production of stereoscopic raster images : de en
  • US2038312A - Guide structure for die stocks : en
  • US2038386A - Cutter for well drills : en
  • DE629083C - Double-walled metal barrel : de en
  • DE629237C - Rudder lock for windows with fixing of the sash in the closed and partially open position : de en
  • CA357320A - Gasoline production : en fr
  • GB445881A - Improvements in or relating to containers adapted particularly for use in the treating of hides or skins : en
  • AT145431B - Pipe connection. : de en
  • US2038287A - Automatic lubrication system : en
  • US2038347A - Air conditioned heating and cooling : en
  • US2038340A - Plowshare : en
  • AU2269435A - An improved silencer particularly adapted for silencing the exhaust noises of internal combustion engines and the like : en
  • CA357353A - Annealing apparatus : en fr
  • FR797097A - Cutting device : en fr
  • FR797195A - Process to prevent backfire in steam boilers : en fr
  • GB446161A - Improvements in power operated brakes for vehicles : en
  • DE629225C - Slip clutch : de en
  • FR797112A - Flame arresters for internal combustion or internal combustion engines : en fr
  • AU2442035A - Automatic flushing system for sanitary pans : en
  • US2038052A - Metallic car door : en
  • AT145450B - Three-phase transformer with three wound cores and fuse device. : de en
  • IE14411L - Packing sheet for fragile articles. : en
  • FR797346A - Accounting system by duplication with immediate centralization in collective accounts in unlimited number and device allowing practical execution : en fr
  • US2037713A - Electric air cooling system for vehicles : en
  • FR797049A - Process for rendering crease resistant fibers, cellulose films and the like : en fr
  • FR797153A - Improvement in automatic adjustment devices for brake linkage rods : en fr
  • FR797165A - Intaglio printing machine : en fr
  • GB446091A - Improvements in cord and tape gripping means for use with curtain pleating or gathering tape : en
  • GB446175A - A new or improved paper tube to be employed for the winding of textile threads thereupon, and manufacture of such tubes : en
  • GB446019A - Improvements in or relating to poultry cages : en
  • DE629272C - Double-bladed electric pocket fan : de en
  • FR797016A - Method of using braun tubes or similar tubes operating with electron rays : en fr
  • FR797223A - Catadioptric reflector device : en fr
  • GB446088A - Improvements relating to circular looms : en
  • FR797188A - Natural color cinematographic device and films obtained using this device : en fr
  • CA357295A - Electrical apparatus control system : en fr
  • US2037708A - Engine cooling system : en
  • US2038456A - Direction indicator switch : en
  • CA357296A - Voltage compensating system : en fr
  • DE629178C - Filling device for light substances : de en
  • US2038260A - Feeder device : en
  • US2038381A - Record control for billing machines : en
  • US2038387A - Roller boring well drill : en
  • US2038181A - Engine starter : en
  • DE629111C - Pipe connection for pipes with sealing cone by means of union nut and one-part or multi-part socket : de en
  • DE629243C - Process for removing carbonic acid from gases : de en
  • US2038263A - Viscolizer valve : en
  • DE629078C - Ship engine system with gear turbines and internal combustion engines working on the same shaft, individually and together switchable : de en
  • DE628953C - Process for separating mixtures of chloride : de en
  • DE629140C - Locomotive powered by a horizontal combustion engine : de en
  • USD99408S - Design for a light indicator tor : en
  • USD99369S - Design for a child s garment : en
  • DE628952C - Process for the production of nitrogen or gas mixtures containing nitrogen and hydrogen : de en
  • GB446136A - Improvements relating to driving mechanism for cycles : en
  • DE629050C - Device for conveying the material extracted in the open pit, in particular lignite : de en
  • CA357347A - Yarn processing : en fr
  • DE629011C - Device for regulating the brightness of electrical light sources : de en
  • DE629087C - Manufacture of abrasives containing alumina : de en
  • DE629259C - Use of soft iron, low-carbon mild steel or wrought iron as a bearing chuck to manufacture plain bearings : de en
  • US2037945A - Foldable and reclining chair : en
  • US2038003A - Adjustable cap : en
  • US2037971A - Lock for boomers, chain hooks, and the like : en
  • US2038493A - Knitted fabrics and in the production thereof : en
  • FR797219A - Cracking process for hydrocarbons and organic oils : en fr
  • GB446069A - Apparatus for measuring the density of flowing fluids : en
  • US2038166A - Sail attachment for bicycles : en
  • DE628945C - Process for fine-level regulation of the consumer voltage in converters : de en
  • US2037694A - Measuring dispenser : en
  • US2037790A - Treatment of hydrocarbon oils : en
  • US2038472A - Taper gauge : en
  • GB445811A - An improved method of surfacing floors, walls, roofs and other structures : en
  • FR797051A - Heat treatment of light metals : en fr
  • FR797258A - Jacquard pattern device for straight knitting machines or for knitting machines : en fr
  • FR797271A - Handheld Electric Dust Vacuum : en fr
  • US2038186A - Electrical apparatus : en
  • US2037799A - Ultrahigh frequency device : en
  • US2037870A - Device for cleaning and washing containers : en
  • FR797186A - Process allowing to produce irreproachable sweet wines, and of all the degrees of alcohol and sugar that one can desire : en fr
  • GB445928A - Method of automatically weighing out materials of various kinds into batches of approximately equal weight : en
  • GB445942A - Improvements in or relating to the extraction of mineral oils : en
  • US2037703A - Articulated metal tape for venetian blinds : en
  • US2037895A - Building construction : en
  • DE628990C - Braking device for vehicles used to avoid overbraking : de en
  • FR797048A - Improvements to motor starters : en fr
  • FR797368A - Improvements to the exhaust ducts of two-stroke internal combustion engines : en fr
  • DE629104C - Cross field direct current machine for arc welding : de en
  • DE629209C - Delay device, especially for the tripping coils of power switches : de en
  • FR797120A - Suspension improvements for lubrication and other applications : en fr
  • FR797151A - Two-use lock : en fr
  • FR797315A - Multi-axle vehicle : en fr
  • DE629041C - Chamber furnace system for the production of gas and coke : de en
  • FR797356A - Method and device for advertising or advertising for shop windows : en fr
  • GB445820A - Improvements in the manufacture of cathode ray tubes : en
  • US2038096A - Cap sorting machine : en
  • USD99392S - Design fob a coat : en
  • AT145318B - Method of preventing pinned pins from falling out when trying on clothes or when making cuts and the like. like : de en
  • AU2115235A - Improved harvesting machine : en
  • AU2165835A - System of picture transmission : en
  • DE628922C - Joint for driving motor vehicle steering cranes : de en
  • FR797338A - Sound reproduction apparatus, with high physiological useful power : en fr
  • FR797281A - Ornamental braid in animal hair to hold the hairstyle : en fr
  • DE628996C - One-hand device for arc welding using a melting electrode : de en
  • DE629133C - Column apparatus for the treatment of liquids with gases or vapors : de en
  • US2038366A - Licorice pipe confection and method of making the same : en
  • DE629180C - Device for measuring dusty and grainy material in closed containers : de en
  • FR797308A - Assembly and ringing devices : en fr
  • GB446501A - Process for the manufacture of alcohols from germinal gland hormones : en
  • GB446060A - Improvements in or relating to steam power plants comprising feedwater heaters and hot-water accumulators : en
  • US2037814A - Heat exchanger : en
  • US2038220A - Ballast tamper : en
  • US2037806A - Paper and web handling mechanism for printing machines : en
  • DE629174C - Signaling device : de en
  • FR797073A - Device for cutting photographic papers and films, etc. : en fr
  • US2038336A - Cheekpiece for cutting cylinder knives : en
  • US2038318A - Elastic undergarment : en
  • US2038235A - Stop clamp : en
  • FR797311A - Glass containers for packaging tablets, pills, powder, etc. : en fr
  • FR797062A - Internal combustion engine housing fitted with tie rods : en fr
  • US2037855A - Cattle controller : en
  • US2038309A - Silencer : en
  • USRE19937E - Engine ignition system : en
  • FR797148A - Electric control system : en fr
  • FR797192A - Improvements to induction motors with stators and disc winding rotors : en fr
  • US2037739A - Method and apparatus for recording and reproducing sound : en
  • US2037743A - Crystal oscillator : en
  • US2037843A - Seal for bearing closures : en
  • US2038385A - Holder for razor blades : en
  • DE629193C - Inclinometer for deep boreholes : de en
  • DE629059C - Arrangement for the automatic voltage regulation of AC power lines : de en
  • DE629081C - Spring drive for running toys : de en
  • DE629277C - Device for cleaning footwear using movable brushes : de en
  • FR797333A - Improvements to curved stereotypical shots : en fr
  • AU2209635A - An electrically operated grab for handling logs : en
  • US2037832A - Vehicle wheel : en
  • US2037777A - Container made of paper and method of making such container : en
  • US2038353A - Generator terminal shield : en
  • FR797273A - Device for unwinding rolls of iron strip and rolls of similar materials : en fr
  • FR797098A - Treatment process for metal objects : en fr
  • US2038184A - Compressor control device : en
  • US2038491A - Protective appliance : en
  • US2037994A - Apparatus for metering fluids : en
  • CA357249A - Cigarette butt extinguisher : en fr
  • US2037800A - Automobile control mechanism : en
  • US2038377A - Electrical cable : en
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  • FR797104A - Device constituting a harmonic support for a loudspeaker : en fr
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  • US2038384A - Diesel electric power system : en
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  • US2037761A - Apparatus and method for the regulation of operations in treatment of fluid materials : en
  • GB446043A - Improvements in or relating to rotary printing presses : en
  • FR797033A - Apparatus for detecting smoke for the purpose of signaling fires : en fr
  • FR797213A - Improvements to flexible signal cables : en fr
  • GB445992A - Improvements in aircraft with transversely hinged wings : en
  • FR797216A - Improvements to aircraft whose elevator control is mainly provided by the variation of incidence of the front lifting surface : en fr
  • GB446044A - Improvements in or relating to arrangements for receiving programmes transmitted through a telephone network with the aid of low frequency oscillations, comprising an amplifier which is to be connected to the telephone lines through a switch : en
  • FR797357A - Piston machine : en fr