• GB501092A - Improvements in and relating to cigarette cases : en
  • GB501337A - Improvements in and relating to diaphragm devices : en
  • DE672068C - Compressed air drive for electrical switches : de en
  • US2147862A - Beer dispensing apparatus : en
  • US2147645A - Process for the production of metallic magnesium : en
  • FR837981A - Improvements to electric discharge tubes and devices incorporating them : en fr
  • GB501324A - Means for the launching and recovery of waterborne craft from and to ships : en
  • US2148142A - Process of debitterizing soy beans : en
  • GB500980A - Improvements in and relating to therapeutic or stimulative appliances and devices : en
  • GB501214A - Improvements relating to the charging of furnaces : en
  • DE671844C - Circuit arrangement for telephone systems : de en
  • USD113377S - Pepper shaker : en
  • US2148114A - System for and method of modulating magnetrons : en
  • FR837768A - Compressor for the production of compressed air for use in airplanes and similar devices : en fr
  • FR837871A - Device for blocking the engagement of the opening mechanism for specific positions of the shutter of cameras : en fr
  • GB501155A - Improvements in and relating to the manufacture and production of staple fibre : en
  • GB501199A - Improved method and apparatus for roasting coffee, cocoa beans and the like : en
  • FR838009A - Process for preparing halogenated phthalocyanines : en fr
  • US2147935A - Output control of floating piston engine gas plants : en
  • US2147895A - Maximum demand register : en
  • US2147993A - Means for separating gases from liquids : en
  • US2148247A - Machine for forming can ends : en
  • DE672085C - Gear change gearbox : de en
  • US2147626A - Accounting machine : en
  • USRE21007E - Method for the production of : en
  • DE672095C - Pocket magazine, especially for handguns : de en
  • AT155592B - Device for converting direct current into periodically variable current. : de en
  • GB500976A - Improvements in or relating to gas-dispensing apparatus, especially for aircraft : en
  • US2147974A - Plow coupling : en
  • US2148060A - Ferrule for umbrellas and the like : en
  • US2147782A - Mop and washing and wringing apparatus therefor : en
  • US2148283A - Preparation of white titanium dioxide pigments : en
  • DE672144C - Booking machine or the like : de en
  • GB501020A - New compositions of matter useful for treating textile materials : en
  • FR837779A - Row crop cultivator : en fr
  • FR838049A - Interchangeable seat body valve and tools for disassembly : en fr
  • GB501030A - Improvements in or relating to means for controlling the output power of electric motors : en
  • US2148361A - Automobile door lock : en
  • US2148383A - Control valve : en
  • AT155624B - Process for the preparation of aqueous dispersions of rubber containing insoluble compounds or the like. : de en
  • DE671885C - Process for the production of potassium formate : de en
  • FR837765A - Arrangement of regenerative or recuperative temperature exchange devices with rotary heat exchanger : en fr
  • GB500994A - Improvements in or relating to anti-ground noise sound recording systems : en
  • GB501120A - Improvements in and relating to shearing installations for dividing up rolled bars : en
  • GB501156A - Improvements relating to warning signals for diesel or electrically driven vehicles : en
  • US2147860A - Toy vehicle : en
  • US2147968A - Aircraft : en
  • CA379674A - Friction shock absorbing mechanism : en fr
  • DE672097C - Cleaning device for drafting devices : de en
  • FR838034A - Improvements made to devices for the treatment of the great sympathetic using nasal keys : en fr
  • GB501236A - Improvements in or relating to connection devices for respiratory apparatus : en
  • FR837945A - Amplifier for all currents with reduced background noise : en fr
  • AT155649B - Carbon grinder. : de en
  • AU48138A - Improvements in manually operable portable tools for binding the lapped ends of meted strapping : en
  • DE672215C - Mobile slaughterhouse : de en
  • AT155619B - Process for simultaneous dephosphorization and desulfurization of steel. : de en
  • GB501069A - An improved process for the preparation of lithographic plates for printing : en
  • GB501277A - Improvements in and relating to the moulding of thermoplastic materials by injection : en
  • US2147839A - Basin fitting : en
  • FR837942A - Improvements to pulverized coal heaters : en fr
  • FR838036A - Tubes for all products : en fr
  • US2147794A - Refrigerator door fastener : en
  • USD113413S - Design for a flashlight : en
  • FR837818A - Fish gutting, cutting and trimming machine : en fr
  • DE672101C - Main distribution point for pneumatic tube systems : de en
  • US2148386A - Gas burner ignition device : en
  • GB500995A - Connecting means for sashes of double windows : en
  • GB501081A - Improvements in and relating to anti-rolling devices for ships : en
  • DE672053C - Connection of cantilever wings of monoplane aircraft to the fuselage : de en
  • DE672149C - Pressure fluid control, especially for internal combustion engines : de en
  • DE672242C - Single-tube circuit in which a resonant circuit inductance and a variable capacitance are in series between two electrodes excited in opposite phase : de en
  • GB500969A - Improvements in or relating to light polarising devices : en
  • GB500988A - Improvements in circuits for operating electric discharge devices : en
  • DE672061C - Device for influencing the train and the route : de en
  • DE672134C - Process for the preparation of monoazo dyes : de en
  • GB501191A - Improvements in road traffic control systems : en
  • US2147987A - Natural cork product and process of preparing same : en
  • US2148004A - Safety clothesline clamp : en
  • FR837875A - Improvements to fire extinguishers : en fr
  • GB501175A - Improvements in or relating to the manufacture of mixed lead and lead oxide : en
  • GB501124A - Improvements in or connected with tooth and like brushes : en
  • FR837908A - Method for adjusting the draft of a vehicle heating system : en fr
  • GB500977A - Improvements in fastening devices for incandescent electric lamps : en
  • GB501208A - Improvements in the separation of ammonia and hydrogen sulphide from gases : en
  • GB501224A - Method of and apparatus for producing containers from fibrous material : en
  • US2148039A - Coupling system for multiple wave band circuits : en
  • USD113406S - Design fob a chair back or similar : en
  • FR837866A - Method and device for the rapid heating of electrode ovens for salt baths : en fr
  • FR837882A - Stabilizer for lubricating oils and method for stabilizing these oils : en fr
  • FR837811A - Improvements to electronic devices : en fr
  • FR837820A - Security photographic paper : en fr
  • GB501197A - Improvements in and relating to the production of artificial filaments, films and similar materials : en
  • US2147631A - Road grader : en
  • US2148139A - Screen : en
  • USD113382S - Design for a table mat fob a drinking : en
  • USD113409S - Design for a table : en
  • USD113476S - Design for a dress : en
  • GB501123A - Improvements in and relating to display stands, storage racks and the like : en
  • US2148203A - Apparatus for chemical analysis : en
  • AT155646B - Method for repairing breaks and stretching of ropes in rope tires for vehicles. : de en
  • DK55863C - Trigger mechanism for automatic firearms. : da en
  • IE15537L - Pistons, plungers etc. : en
  • GB501102A - Improvements in or relating to electric gas discharge lamps : en
  • GB501165A - Improvements in or relating to automatic record-changing phonographs : en
  • IE15285L - Glass jackets for u.v. radiation : en
  • US2148043A - Covering for tile tooth brush holders : en
  • DE672140C - Heating clip for permanent hair wave devices consisting of two shells connected like pliers : de en
  • USD113427S - Design for an air compressor : en
  • DE672069C - Interlocking a circuit breaker equipped with an undervoltage release : de en
  • AU78738A - Improvements in or relating to mounting means for electrical switches andother electric appliances : en
  • US2148192A - Engine fuel injector : en
  • US2147835A - Lubricating apparatus : en
  • US2147864A - Gear-lapping machine : en
  • US2147790A - Electrical attachment : en
  • GB501059A - Improvements in and relating to lingerie clips and the like : en
  • AU526337A - Improvements in or relating to electron discharge device amplifiers : en
  • US2148099A - Ladder for elevator car emergency exits : en
  • US2148024A - Bone audition apparatus : en
  • US2148046A - Method of metal coating by cathode disintegration : en
  • GB500999A - Improvements in or relating to alternating current signal receiving circuits : en
  • GR8017B - AUTOMATIC CUTTER, WEIGHING AND PLASTIC ROTARY BAKERY MACHINE AND ANY VICTORY MATERIAL. : el en
  • US2147662A - Heating of fluids : en
  • USD113401S - T r robinson : en
  • DE671203C - Self-loading device for telephones with dial : de en
  • USD113405S - Design for a shoe ob similar article : en
  • DE672008C - Relay dependent on the ratio of two forces : de en
  • GB501061A - Improvements in and relating to float actuated valves : en
  • US2148395A - Mercury switch flow interlock : en
  • US2148416A - Vulcanizer : en
  • GB501321A - Machine for die casting metal under pressure : en
  • US2148077A - Compact : en
  • USD113383S - Design for a typist s desk : en
  • USD113385S - Design fob a tumbler : en
  • GB501105A - Improvements in travelling cases and the like : en
  • US2147673A - Pipe joint annealing furnace : en
  • US2147728A - Phase changer : en
  • US2148085A - Pressing machine : en
  • US2148191A - Door handle construction : en
  • US2147915A - Double terminal connector : en
  • FR837951A - Internal combustion engine : en fr
  • US2147628A - Moistureproof material : en
  • US2147980A - Field and garden hoe : en
  • US2148033A - Carroting process : en
  • US2148018A - Photocopying machine : en
  • SE94769C1 - : sv
  • US2147714A - Electrospindle and spindle for high speeds : en
  • SE94750C1 - : sv
  • US2147911A - Pneumatic separator : en
  • US2147961A - Photoelectric exposure meter : en
  • DE672084C - Worm drive : de en
  • US2147704A - Hair drier : en
  • US2148232A - Fluid pressure braking system : en
  • US2148381A - Liquid plastic and the method of applying a plastic coating : en
  • DE672234C - Control for drum filler : de en
  • AU106628B2 - Improvements in or relating to electric filters : en
  • AT155579B - Actuating and adjusting device for Bowden cables. : de en
  • DE672209C - Food can : de en
  • US2147686A - Nozzle for filling machines : en
  • US2148197A - Sewing machine : en
  • FR837905A - Artificial leather : en fr
  • AU106586B2 - Improved process of treating sensitive photographic film : en
  • CA379716A - Container lid removing means : en fr
  • US2147651A - Method of multicolor intaglio printing : en
  • US2148338A - Cap lock : en
  • DK55841C - Coupling device at Telegraph selector system for Prevention of Faulty connections. : da en
  • AU204438A - Photoelectric cells : en
  • CA379702A - Oil extraction : en fr
  • US2147749A - Folding machine : en
  • US2147653A - Decorating apparatus : en
  • GB501437A - Improvements in or relating to electron focussing systems : en
  • FR837943A - Rewinder and unwinder for articulated beam : en fr
  • US2147685A - Air hammer and the like : en
  • US2147888A - Holder for wire-drawing dies : en
  • US2148266A - Electron discharge modulating device : en
  • USD113384S - Design for a tumbler : en
  • AT155628B - Process for the production of pure diethyl ether, in particular for anesthetic purposes. : de en
  • DE671167C - Process for the production of condensation products : de en
  • GB501077A - Improvements in or relating to the treatment of acid sludge from mineral oil and benzol refining : en
  • GB501227A - Improvements in machines for preparing moulding sand : en
  • GB501145A - : en
  • IE15428L - Rear engine motor vehicle bodies : en
  • FR837810A - Sliding hook-and-loop closures : en fr
  • GB501315A - Improvements in and relating to exhaust mufflers : en
  • DE672153C - Device for regulating and maintaining the moisture content of paper webs to be cut into strips : de en
  • FR837716A - Improvements in scrubbers for yarn and similar materials : en fr
  • GB500974A - Improvements in and relating to packing machines : en
  • AU106584B2 - Improvements in manually operable portable tools for binding the lapped ends of meted strapping : en
  • AT155588B - Arrangement for operating alternating current arcs, in particular for alternating current arc welding. : de en
  • AT155648B - Handles for handlebars of all kinds, in particular for bicycles. : de en
  • US2148326A - Combined clutch and brake device : en
  • US2148340A - Process of decorating ceramic ware : en
  • US2148187A - Reversible seat : en
  • FR837836A - Die-casting machine for hot working of plastic masses : en fr
  • GB501231A - A new or improved cutting board for meat and the like : en
  • US2147971A - Sulphur dyestuffs from carbazoleindophenols and process of making same : en
  • AU125838A - Improved process of protecting metal surfaces by electrodeposition : en
  • FR837729A - Split piston rings : en fr
  • GB501292A - Improvements in or relating to the treatment of wool : en
  • DE672045C - Circuit arrangement for electromotive single drive for dialer : de en
  • FR838011A - Gas-filled electric discharge tubes : en fr
  • US2148244A - Hand luggage : en
  • FR837958A - Stitching needle : en fr
  • GB501298A - Improvements relating to injector nozzles for gas burners : en
  • CA379677A - Multiple dispensing cabinet : en fr
  • DE672114C - Constant pressure gas turbine engine, especially for aircraft : de en
  • GB501407A - The manufacture of resinous condensation products : en
  • AT155608B - Glass bottle with protective container. : de en
  • FR837702A - Process for polymerizing gaseous olefins : en fr
  • US2148006A - Acidizing wells : en
  • AU386838A - Improvements in or relating to railway crossings : en
  • AU303038A - Improvements in or relating to coating compositions for producing dull or matte finish : en
  • US2147736A - Fabric and method of making same : en
  • US2147840A - Belt sander : en
  • DE672075C - Device for superimposing electrical lines, in particular high-voltage networks, with control energy of non-network frequency : de en
  • GB501235A - Improvements in or relating to presses for the production of sheet metal pressings : en
  • US2147627A - Vehicle endgate : en
  • US2147687A - Apparatus for crosswise riveting and for other striking work : en
  • US2147818A - Pickle packing machine : en
  • US2147933A - Walking skate shoe : en
  • US2148224A - Load roller for turcks : en
  • AU164138A - Improved electrically operated means for moving windows andthe like : en
  • US2148140A - Dehydrogenation of paraffin hydrocarbons : en
  • DE672219C - Device for the production and delivery of carbonated water : de en
  • DE670469C - Process for producing a cold-swelling pudding starch : de en
  • FR838014A - Fuel regulator for carburetors : en fr
  • FR837713A - epaulettes : en fr
  • GB501578A - Improvements in and relating to doors for the gas-tight closure of rooms : en
  • US2147656A - Commodity quotation system : en
  • US2148350A - Crankshaft chuck : en
  • DK55838C - Process for the Preparation of 4-Alkyl-5-hydroxyalkylthiazoles. : da en
  • FR837794A - Drill for deep hole drilling : en fr
  • FR837858A - Capacity or numbering plate applicable in particular to barrels : en fr
  • GB501316A - Improvements in electron multipliers : en
  • US2148353A - Table leg : en
  • USD113442S - Design for a heater or similar : en
  • US2148011A - Camera and method of photography : en
  • US2148322A - Orthopedic foot manipulator : en
  • DE671562C - Process for the production of starch preparations : de en
  • US2147990A - Hydraulic-air spring and shock absorber : en
  • US2148418A - Roller skate : en
  • US2148269A - Invisible slide fastener assembly for garments : en
  • USD113393S - Design fob a textile fabric : en
  • FR837782A - Collapsible round box : en fr
  • FR837964A - Improvements to circuit breakers : en fr
  • GB502087A - Improvements in or relating to the tanning of leather : en
  • US2148148A - Cone molding machine : en
  • FR837772A - Cooling device for circulating liquid from an internal combustion engine, in particular lubricating oil from aircraft engines : en fr
  • GB501107A - Improvements in and relating to the frames of motor vehicles : en
  • US2148270A - Trailer : en
  • US2148025A - Locomotive superheater : en
  • US2148124A - Holder for transparent pictures : en
  • FR837883A - Improvements to devices for refueling aircraft in flight : en fr
  • US2148078A - Streamline locomotive and tender : en
  • US2148081A - Ice refrigerator : en
  • US2148149A - Crankpin bearing : en
  • AT155575B - Mouthpiece for vacuum cleaner. : de en
  • AT155644B - Adjustable handlebar for bicycles, motorcycles, etc. like : de en
  • US2148131A - Oil pumping method : en
  • US2148125A - Suction cleaning tool : en
  • USD113437S - Design fob a valve : en
  • FR837885A - Advanced ski safety binding device : en fr
  • USD113435S - Design for a slider body for slide : en
  • USD113449S - Design fob a pocket knife : en
  • US2147891A - Tomatic infeed centerless grinder : en
  • US2148098A - High frequency electric transmission line : en
  • US2147715A - Railway tie plate : en
  • US2148368A - Burner apparatus : en
  • DE672143C - Mirror lamp, especially for projection equipment : de en
  • IE15637L - Tempering glass sheets : en
  • US2148335A - Fluid dispenser : en
  • DE672124C - Beacon transmitter : de en
  • US2148241A - Broaching machine : en
  • US2148310A - Guide shoe for elevator doors : en
  • DE672171C - Coin cashier for the delivery of electrical energy, gas, water or the like. : de en
  • US2147635A - Dyestuff pastes and process for applying the same : en
  • AU106594B2 - Improvements in or relating to electrical signalling systems : en
  • CA379655A - Electronic apparatus : en fr
  • DE672179C - Rock dust barrier : de en
  • FR837930A - Cap for interchangeable pen ink tubes : en fr
  • GR8016B - HOW TO MAKE A METAL KNITTED ROUND. : el en
  • FR837717A - Improvements with aquatic torches and similar devices : en fr
  • GB501103A - Improvements in and relating to photographic printing apparatus : en
  • US2148336A - Manufacture of multi-ply counters : en
  • GB501198A - Improvements in or relating to steam generators provided with means for regulating superheat : en
  • US2147638A - Means for rigging an airplane : en
  • US2148332A - Cranberry picking machine : en
  • FR837733A - Suspension system, to a chassis, in particular of motor cars, of wheels guided independently of each other : en fr
  • US2148230A - Automatic regulator : en
  • US2148365A - Brake arrangement : en
  • DK55854C - Ring valve. : da en
  • GB501181A - Improvements in and relating to electrically heated grill-boiling plates : en
  • FR837785A - Gas mask : en fr
  • FR837906A - Device applicable to sound apparatus for adjusting the depth of needle tracing or tracing style : en fr
  • GB501800A - Improvements in or relating to temperature control systems and temperature responsive apparatus : en
  • DE672173C - Method for obtaining sound recordings or sound image films by dubbing : de en
  • GB501129A - Improvements in drying apparatus : en
  • US2147918A - Vacuum tube cycle counter : en
  • US2148385A - Loop-taker for sewing machines : en
  • US2148012A - Boot and shoe : en
  • AT155591B - Connection device for mobile telecommunication lines or cables. : de en
  • USD113373S - Design for a chair : en
  • US2148022A - Hammer mill : en
  • US2148253A - Compound meter system : en
  • US2148401A - Fabric article and fastener means therefor : en
  • AT155578B - Wind turbine. : de en
  • US2147795A - Aircraft construction : en
  • US2147865A - Tree cavity filling and filler block therefor : en
  • US2148251A - Vegetable peeling machine : en
  • US2148407A - Surface burner control : en
  • US2147872A - Head covering : en
  • US2147924A - Means and method of operating well pumps : en
  • US2148055A - Support for telephone bases : en
  • US2148405A - Pyroxylin coated materials and method of making the same : en
  • FR837959A - Improvements to electrical transmission and remote control systems : en fr
  • CA379666A - Air conditioning apparatus : en fr
  • US2147831A - Tea bag, coffee bag, and the like : en
  • US2148189A - Mold for precast wall facings : en
  • GB501128A - Improved process and apparatus for treating liquid : en
  • US2147930A - Vanity case : en
  • US2147624A - Fire escape : en
  • US2147762A - Yeast culture in bread making and yeast propagation : en
  • AT155638B - Pack or jar with individual dispensing. : de en
  • GB501206A - Improvements in finishing textile yarns and fabrics : en
  • CA379707A - Bottle packing method : en fr
  • FR837707A - Device for blocking lists, tables, statements and other similar documents for address printing machines : en fr
  • FR838017A - Ice compartment, tilting, for ice cold boxes : en fr
  • AT155607B - Elastic underlay for reclining furniture. : de en
  • CA379664A - Brake lever : en fr
  • DE672141C - Device for recording, copying or reproducing photographic sound recordings on an endless film tape : de en
  • CA379705A - Cone valve : en fr
  • GB501398A - Improvements in or relating to absorption refrigerating apparatus : en
  • US2148113A - Waterproofing and cementing material : en
  • US2148201A - Electrical insulating material and method of making same : en
  • GB501253A - Improvements in or relating to x-ray tubes : en
  • US2148167A - Roofing or siding material : en
  • US2147849A - Tobacco container : en
  • US2147640A - Production of artificial materials : en
  • US2148404A - Production of alkali metals : en
  • AT155642B - Automatic rail coupling. : de en
  • US2147763A - Flush or countersunk riveting : en
  • US2147956A - Lubricating piston skirt construction : en
  • DK55843C - Apparatus for generating higher harmonic electrical oscillations of a fundamental frequency. : da en
  • US2147804A - Apparatus for forming metal closures : en
  • US2148299A - Continuous production of water gas : en
  • US2147830A - Lubricating apparatus : en
  • USD113420S - Design fob a receptacle sealing cap : en
  • US2148344A - Lady's garment : en
  • USD113474S - Design for a dress or similar article : en
  • FR838043A - Rack and pinion safety lock for hinged grilles : en fr
  • GB501060A - Improvements in or relating to tables and other articles of furniture : en
  • USD113402S - Design for a wall mounted eyeglass : en
  • USD113456S - Design fob a sheet metal building : en
  • DE672126C - Electrical switch cell wall with feedthroughs for fastening switchgear or the like. : de en
  • FR837837A - Air heater equipped with a blower for gas or liquid fuel fireplaces : en fr
  • AT155612B - Process for cleaning and refining molten metals and alloys. : de en
  • DE672216C - Device for combining cigarettes with mouthpieces : de en
  • US2148003A - Butter mold : en
  • CA379680A - Exhaust conduit : en fr
  • US2147988A - Production of alkali metal nitrates : en
  • FR837805A - Antiparasites applicable to t. s. f. : en fr
  • GB501088A - Improvements in fuel injection control arrangements for internal combustion engines : en
  • GB501243A - Improvement in manufacture of abrasive articles : en
  • US2148171A - Ditch digger : en
  • AU106627B2 - Starting device for internal combustion engines using heavy fuel : en
  • FR837840A - Process for the preparation of insoluble condensation products : en fr
  • US2148132A - Molding machine : en
  • US2148264A - Venetian-blind bracket : en
  • US2148202A - Oil burner : en
  • US2148300A - Mercury arc discharge device : en
  • US2147901A - Sanding wheel : en
  • US2148284A - Instant release rope hawser stopper : en
  • USD113399S - Design for a combined escutcheon : en
  • CA379690A - Filament, yarn or thread manufacture : en fr
  • AT155599B - Power supply system with several consumer circuits, in particular multi-point welding equipment. : de en
  • DE672208C - Vessel for preservation : de en
  • GB501134A - Improvements in or relating to cutting apparatus organised for use in shoe upper conforming machines : en
  • US2147724A - Method of forming thin-walled hollow ferrous castings : en
  • DE672121C - Process for the production of stable metal brines : de en
  • DE672226C - Device for reversing, stopping and switching off the feed for saw frames : de en
  • DE672263C - Method for recording a sound sequence covering a wide frequency range : de en
  • FR837712A - Composite button with decorative fabric face : en fr
  • US2148348A - Turret lathe : en
  • CA379708A - Evaporator : en fr
  • DE672185C - Sharpening facility : de en
  • US2147793A - Process of manufacturing packing and insulating material : en
  • DE672225C - Process for the production of high quality saturated or partially saturated fatty acids by hardening and splitting vegetable or animal fats or oils : de en
  • USRE21010E - Automatic circuit breaker : en
  • DE672099C - Conveyor belt roller : de en
  • AT155574B - Device for preventing the formation of shine when ironing fabrics. : de en
  • US2147678A - Cooling apparatus : en
  • US2147680A - Manufacture of rubber : en
  • AU106587B2 - Improvements in or relating to cowlings for aircraft engines or radiators : en
  • AT155572B - Yarn guide device for yarn knitting machines. : de en
  • US2147871A - Brake mechanism : en
  • US2147789A - Resins from aminophenols and formaldehyde : en
  • US2148057A - Fruit and corn drier : en
  • US2148337A - Honing machine : en
  • AU106612B2 - Improvement in machines for making golfballs : en
  • USD113425S - Design for a bedspread : en
  • FR837736A - Process for coloring sands, gravel, crushed stones and resulting new products : en fr
  • GB501254A - Improvements in or relating to modulated carrier wave receivers : en
  • GB501442A - Improvement in permanent glaze chintz and method of producing same : en
  • US2148333A - Ice cream freezer : en
  • US2147694A - Control for transmissions : en
  • US2148218A - Soldering mechanism for can bodies : en
  • AU106608B2 - Improvements in shock absorbers or suspension means for vehicles : en
  • CA379703A - Stuffing box packing : en fr
  • USD113407S - Design fob a chair : en
  • US2147767A - Piston compressor pump : en
  • DE672142C - Reflex viewfinder for photographic apparatus : de en
  • IE15427L - Air cooling of rear engine motor vehicles : en
  • US2147637A - Alloy : en
  • US2147803A - Furnace : en
  • US2147887A - Footwear and method of making the same : en
  • USD113483S - Design for a suit ensemble : en
  • AU51238A - Improvements in or relating to electrical signalling systems : en
  • CA379695A - Trolley system : en fr
  • US2147949A - Blow switch operated toy : en
  • US2148137A - Covering structure : en
  • AU218838A - Improved process of treating sensitive photographic film : en
  • US2148095A - Electrode holder : en
  • FR837758A - Soft and elastic bracing aircraft landing and sliding path : en fr
  • GB501336A - Improvements relating to steel alloys : en
  • US2147776A - Spooling and measuring machine : en
  • US2147868A - Method of welding : en
  • AU106610B2 - Improved means for varying the selectivity of radio receivers : en
  • AT155573B - Conveyor chain, in particular for plan drying machines for fabrics. : de en
  • CA379645A - Oscillator frequency stabilization : en fr
  • FR837888A - New loose-leaf binding system : en fr
  • FR837995A - Advanced cinematographic device : en fr
  • US2148076A - Motion picture camera : en
  • USD113428S - Design tor an air compressor : en
  • AU28939A - Improvements relating togas lighting apparatus : en
  • DE669128C - Method for hardening artificial guts : de en
  • DE672276C - Door lock with a handle arrangement that can be moved perpendicular to the door level : de en
  • FR837721A - Compound household item, especially for camping : en fr
  • US2148150A - Pallet construction : en
  • US2147936A - Bathroom scale : en
  • US2148289A - System of electrical distribution : en
  • AT155633B - Process for the preparation of 4,6-dioxo-2-methyl-5,5-diallyl- or -dipropyl-1,4.5,6-tetrahydropyridine. : de en
  • AU487837A - Improved process for scanning films by means of television image transmitting tubes : en
  • USD113444S - Design for an auxiliary lamp for : en
  • DE672207C - Rotary valve for internal combustion engines : de en
  • US2147842A - Power line protective system : en
  • US2147729A - Electric metering device : en
  • CA379685A - Container stock : en fr
  • AT155598B - Commutator machine. : de en
  • AU48238A - Improved apparatus for imparting vibratory motion : en
  • AU241038A - Improvement in permanent magnets and process of making thesame : en
  • US2148007A - Illumination control system : en
  • US2148406A - Radial plain bearing : en
  • US2148412A - Refrigerating apparatus : en
  • DE672175C - Glove : de en
  • FR837738A - Improvements in storey partitions, concrete floors and ceilings and similar parts of buildings : en fr
  • FR837816A - Process for the production of substances with tanning action and products resulting therefrom : en fr
  • GB500981A - Improvements in or relating to sliding doors, windows, partitions and the like : en
  • GB501164A - Improvements in or relating to typewriter ribbons and ink compositions therefor : en
  • GB501272A - Automatic brush-making machine : en
  • FR838021A - Filter for artesian or drilled wells : en fr
  • GB501441A - Improvements in and relating to the treatment of the steel pipes and containers of chemical reaction chambers : en
  • US2148068A - Ore concentrator : en
  • GB501114A - Frequency changers of the electron discharge tube type : en
  • GB501141A - Improvements in or relating to electrical transformer arrangements : en
  • DE671952C - Tank furnace for melting glass : de en
  • US2148324A - Envelope : en
  • US2147859A - Striking casting and coupler carrier for railway use : en
  • US2148413A - Refrigerating apparatus : en
  • US2148061A - Abrading machine : en
  • US2148294A - Production of valuable products from ketols and/or aldols : en
  • AT155631B - Process for the preparation of 9-amino-1,5-phenanthroline. : de en
  • CA379696A - Variable speed transmission mechanism : en fr
  • AT155585B - Method and device for the production of coiled filaments for electric light bulbs : de en
  • AU106625B2 - Improvements inthe operation of gas filled electric discharge tubes with luminescent discharge, containing fluorescent materials : en
  • US2147655A - Punch and die assembly : en
  • US2148101A - Sealing assembly : en
  • AT155625B - Process for the production of copolymers. : de en
  • AU89938A - Improvements in and relating tothe attachment of insulating or like sheets or slabs tothe purlins or like members of walls, roofs or partitions : en
  • FR837751A - Finishing rotary pruning tool : en fr
  • GB501339A - Improvements in or relating to electrical musical instruments : en
  • US2148037A - Paper folding and box lidding device : en
  • DE672157C - Locking device for aircraft rudder : de en
  • DK55868C - Apparatus for use in tying boxes, bales or similar objects with metal wire. : da en
  • FR837969A - Improvements made to unrolling sheaths closed at one end such as protective finger cots : en fr
  • US2147921A - Wringer drive : en
  • GB501110A - Apparatus for, and method of, maintaining and working with biological specimens in agerm-free controlled environment : en
  • GB501428A - Process and apparatus for the extraction of oil from oleaginous seeds, in particularfrom fruits of palm trees : en
  • GB501201A - Means for detecting ice forming conditions encountered by aircraft : en
  • AU106588B2 - Improvements in electric inductor relays : en
  • USD113415S - Design for an electric range or : en
  • FR838004A - Method for automatic frequency adjustment of high frequency oscillations : en fr
  • FR838045A - Pressurized working fluid distributor : en fr
  • GB501163A - Improvements in thermionic valve amplifiers and the like : en
  • US2147834A - Azo dyestuffs : en
  • FR837819A - Guide device for doors of large hangars : en fr
  • GB501267A - A substitute for rubber : en
  • GB501100A - Improvements in and relating to automatic devices for supplying liquid under pressure : en
  • GB501154A - Improvements in or relating to apparatus for sterilising and conditioning air : en
  • AT155615B - Process for bright pickling of metals, especially iron. : de en
  • USD113443S - Design fob a combined display con : en
  • FR837864A - Improvements in the assembly of electrical devices on wooden and metal frames : en fr
  • GB501074A - An improved method of producing tools and implements having diamond-studded faces : en
  • GB501406A - Improvements in electrochemical production of manganese : en
  • FR837899A - Goniometer used to determine the direction of electromagnetic waves : en fr
  • US2147644A - Internal combustion engine : en
  • US2147810A - Method and means for determining distance by means of radiated waves : en
  • US2147983A - Bottom hole sampler : en
  • US2147775A - Lock seam for pipe : en
  • US2147886A - Lunch box : en
  • US2148410A - Pipe line automatic valve control : en
  • GB501212A - Improvements in or relating to the preparation of ice-cream or ice-cream mixes : en
  • US2148048A - Carton : en
  • FR837826A - Improvements made to circuit assemblies to limit potential displacement : en fr
  • FR837852A - Improvements to plates for friction clutches : en fr
  • GB501122A - An improved method of manufacture of hat brims : en
  • GB500965A - Improvements relating to screw impeller fans and pumps : en
  • GB501319A - Improved process for the treatment of bricks : en
  • US2148281A - Insulating structure : en
  • DE672123C - Automatic safety device in the event of a cable break for conveyor wagons on an inclined track : de en
  • DE672228C - Aluminum alloy : de en
  • DE672279C - Conveyor belt : de en
  • GB501439A - Improvements in and relating to electric pilot devices for navigational purposes : en
  • FR837710A - Electric calendar clock : en fr
  • FR837802A - Device to prevent boiling milk or other liquids from overflowing : en fr
  • US2147905A - Folding step chair : en
  • GB501104A - Twisted strands : en
  • GB501427A - Improvements in or relating to bearings : en
  • DE672132C - Switching device for collector batteries in buffer circuit with counter cells : de en
  • DE672138C - Infusion device : de en
  • FR837724A - Liquid controlled injection valve for internal combustion engines : en fr
  • US2148209A - Method for the manufacture of superphosphates : en
  • GB501140A - Improvements in or relating to electric switches of the push bar or pull type : en
  • DE672014C - Circuit arrangement to increase the operational safety of grid-controlled discharge vessels with gas or steam filling : de en
  • GB501186A - : en
  • FR838035A - Dispensing mechanism for automatic devices, in particular for fully automatic packaging devices : en fr
  • GB501064A - Improvements in and relating to the ventilation of road and like vehicles : en
  • FR837703A - Improvements made to steam generators : en fr
  • FR837990A - Device used to take a voltage independent of variations in the supply voltage, in particular for measurements : en fr
  • GB501514A - Improvements in or relating to a treatment of paper or similar preformed flexible sheets of felted fibrous material or plywood veneer : en
  • GB501521A - Improvements in the manufacture of emulsions : en
  • GB501027A - Improvements in and relating to relieving stresses in welds : en
  • DK55849C - Maps or similar Maps. : da en
  • GB501294A - A rubber pad and means for attachment to bed pans : en
  • US2148188A - Recorder : en
  • US2148290A - Novelty : en
  • US2147721A - Crushing machinery : en
  • US2147977A - Regulating means with servomotor : en
  • US2148096A - Oscillation generator : en
  • GB501273A - Improvements in or relating to adjusting devices for wireless and like apparatus : en
  • US2147658A - Stovepipe heating system : en
  • US2148277A - Power transmission : en
  • FR837844A - Direction pointing device with blocking system for the 37 gun in service with the infantry : en fr
  • GR8014B - METHOD OF PRODUCTION IN THE SOUL OF ENGLISHED OBJECTS OF ALL KINDS AND MATERIALS TO ACHIEVE THEM. : el en
  • US2148301A - Electroresponsive circuits : en
  • USD113404S - Design fob a brooch ob seffllab : en
  • US2148107A - Coke oven construction : en
  • US2147769A - Cleaning device : en
  • DE672160C - Bidet with water pipe connection : de en
  • FR837918A - Device for the continuous detection of the variation of opacity or color of a liquid : en fr
  • GB501034A - Process for the preparation of nitro substances : en
  • US2148357A - Wire straightening apparatus : en
  • US2147668A - Recording apparatus : en
  • US2147695A - Heat motor : en
  • US2147883A - Expanding bearing pin : en
  • GB501185A - Improvements in or relating to ink-ribbon mechanism : en
  • GB501238A - Improvements in circuit arrangements for varying the tuning of oscillatory circuits : en
  • USD113372S - Design for a chair : en
  • US2147919A - Machine for forming worms and the like : en
  • US2148034A - Carroting process : en
  • GB501057A - Improvements in or relating to boots or shoes and heels therefor : en
  • GB501167A - Improvements in elastic mountings for instruments and machine units : en
  • USD113375S - Design fob a lace : en
  • US2148272A - Gun sight : en
  • USD113480S - Design for a dress : en
  • USRE21012E - Flow meter : en
  • AU106609B2 - Photoelectric cells : en
  • AT155602B - Collapsible electric articulated flashlight. : de en
  • FR837987A - Valve lifting tool : en fr
  • US2148136A - Electric feeder distribution system : en
  • AU106603B2 - Improvements in and relating tothe attachment of insulating or like sheets or slabs tothe purlins or like members of walls, roofs or partitions : en
  • CA379673A - Friction shock absorbing mechanism : en fr
  • US2147902A - Apparatus for determining photographic exposures : en
  • GB501040A - Improvements in colour photographic development : en
  • CA379650A - Vacuum cleaner : en fr
  • DE672239C - Inking unit, especially for platen printing presses : de en
  • GR8015B - PRODUCTS OF DECORATION OF SHOWCASES AND TYPES OF FALSE JEWELERY AS SIMILAR CARVED WRENCHED WIRE. : el en
  • IE15429L - Motor vehicle bodies : en
  • DK55846C - Serving tray. : da en
  • FR837889A - Salad dressing : en fr
  • GB501438A - A device for the purpose of winding a skein of yarn, silk, or other material into a ball by mechanical means : en
  • DE672194C - Device for pitting fruits : de en
  • DK55853C - Air-cooled Star Engine, especially for Motor Vehicles. : da en
  • CA379684A - Telephone system : en fr
  • US2147629A - Coated material and method of producing same : en
  • FR837720A - Process for the establishment of leaves by assembling planks or boards : en fr
  • FR837912A - Return screw for furniture : en fr
  • DE672041C - Impact fuse for twist projectiles : de en
  • DE672066C - Device for electrical connection test and connecting terminals : de en
  • GB501135A - Manufacture of piperidine compounds : en
  • DE670825C - Method and device for separating granular material in pulp or sludge form : de en
  • DK55836C - Shaft tool. : da en
  • DK55864C - Procedure for Manufacturing Cross Coils. : da en
  • FR837853A - Improvements to navigation instruments : en fr
  • GB501132A - Improvements in or relating to electric wave filters : en
  • GB501127A - Improvements in or relating to automatically operated variable pitch air propellers : en
  • DE672172C - Basic rangefinder for photographic cameras : de en
  • GB501401A - Improvements relating to thermostatic control means for electric ovens : en
  • BE432460A - Method and device for the production of urea : en fr
  • US2148054A - Mortarless brickwork : en
  • DE672191C - Process for the dry defibration of leather : de en
  • GB500987A - Improvements in catches for gates, doors and the like : en
  • GB501019A - Method of producing objects consisting of a core and a casing of esthetic appearance : en
  • GB501079A - Improvements in or relating to electric arc lamps : en
  • DE672270C - Device for the production of X-ray exposures with a secondary beam diaphragm moved to and fro : de en
  • FR837886A - Process for the manufacture of artificial textile fibers having characteristics similar to those of rayon : en fr
  • GB501318A - Process for the production of knock-stable low boiling motor fuels by the hydrogenation of liquid hydrocarbons : en
  • DE672112C - Lighting device for photographic enlarging devices : de en
  • FR837812A - Adjustable pneumatic compression bandage : en fr
  • US2148161A - Air conditioning unit : en
  • AU501237A - Improvements in electric inductor relays : en
  • US2147666A - Generation of power : en
  • US2148222A - Spark adjusting tool : en
  • CA379662A - Heat transfer apparatus : en fr
  • FR837833A - Advanced cinematic projector : en fr
  • USD113454S - Design for a dress : en
  • GB501290A - Improvements in pressure-recording instruments : en
  • GB501264A - Improvements in and relating to mould feeders for chocolate coolers provided with inter-nittently operating conveying means : en
  • FR837739A - Process for producing gelatin reliefs suitable for printing : en fr
  • AT155589B - Electrical machine whose exciting part (rotor) consists of permanent magnetic steel. : de en
  • US2148351A - Central heating plant : en
  • US2147720A - Telegraphic exchange circuit : en
  • US2147625A - Necktie rack : en
  • US2147969A - Apparatus for determining the quantity of constituents in gases : en
  • FR837722A - Method for correcting the influence of variations in viscosity on the flow rate of heavy fuel oil pumps and foam concentrates : en fr
  • FR837887A - Pile fabrics and method of obtaining them : en fr
  • USD113465S - Design for a perfume demonstrating : en
  • USD113422S - Design for a bottle or similar : en
  • AU71739A - Improvements in and relating to vacuum tube devices : en
  • US2148250A - Phonograph record changing apparatus : en
  • US2148328A - Electrical signal apparatus : en
  • GB501330A - Improvements in or relating to apparatus for carrying out shrinking and like operations on cloth : en
  • FR837787A - Improvements to vacuum tube amplifiers, especially for television : en fr
  • FR837934A - Improvements made to cartridges, particularly hunting cartridges : en fr
  • GB500985A - Improvements in lever control mechanism for cables of cycles, motor-cycles and the like : en
  • GB501065A - Improvements in the manufacture of emulsified milk, or dairy products such as ice cream, chocolate milk and cheese : en
  • US2148027A - Milk crate corner assembly : en
  • US2148100A - Treatment of milk fluids : en
  • US2148112A - Fuel pump unit : en
  • US2147904A - Heel for shoes : en
  • US2147967A - Glove : en
  • US2148274A - Oiling mechanism for spinning frames and the like : en
  • CA379661A - Ornamental plastic rod : en fr
  • CA379689A - Filament, yarn or thread manufacture : en fr
  • GB501053A - Improvements in and relating to pressure control arrangements in apparatus for delivering gases particularly anaesthetic apparatus : en
  • US2148398A - Coil for producing a magnetic field of approximately uniform flux density for use, for example, with cathode ray tubes : en
  • CA379686A - Circuit interrupter : en fr
  • AT155582B - Gas-filled discharge vessels with indirect electrode heating. : de en
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  • US2148292A - Process for treating hydrocarbons : en
  • US2147939A - Brake for machine tools : en
  • CA379660A - Tire tread : en fr
  • AU111170B2 - Improvements relating togas lighting apparatus : en
  • US2147965A - Bar joist : en
  • US2147760A - Television apparatus : en
  • FR838037A - Rotary cutting tools : en fr
  • DE672163C - Suspension for rail vehicles, the car body of which is transversely movable with respect to the drive : de en
  • DK55866C - PROCEDURE FOR PACKAGING UNDER A VACUUM OF SHARPENED, AIR-CHANGING MATERIALS, IN PARTICULAR GRINDED COFFEE : da en
  • GB501158A - Improvements relating to metal doors : en
  • GB501089A - Improvements in or relating to coke ovens : en
  • FR838024A - Improvements to smokers' articles : en fr
  • US2148010A - Animated toy : en
  • FR837771A - Process for obtaining a grain of any size in iron : en fr
  • GB501209A - Improvements in or relating to electrical voltage regulating arrangements : en
  • IE15417L - Electric switches : en
  • FR837848A - Improvements in the surface treatment of sheet metals : en fr
  • GB501246A - Process for the manufacture of stable iodine-starch compounds : en
  • US2148145A - Directional power relay : en
  • GB501073A - Improvements in or relating to electric heating apparatus : en
  • DE671993C - Process for the clarification of fluids by flocculation : de en
  • DK55867C - End folding means for wrapping machines. : da en
  • FR837948A - Set of constructions and its elements : en fr
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  • US2147787A - Bearing : en
  • USD113466S - Design fob an automobile : en
  • GB501056A - Improvements in locomotive type fireboxes, for increasing the heating surface and improving the combustion : en
  • GB501063A - Improvements in refrigerators : en
  • FR837900A - Percussion ignition device for clockwork rockets : en fr
  • FR838016A - Racket for timepiece : en fr
  • DE672196C - Closing flap for furniture coupled to a pull-out shelf and pivoting around an axis parallel to the front edge of the shelf : de en
  • US2147657A - Electrical compensator : en
  • DE672136C - Gas generators : de en
  • FR837760A - Process for drawing, drawing or stamping metals such as aluminum and its alloys : en fr
  • DE672065C - Tension clamp : de en
  • DE672188C - Procedure for starting three-phase motors with asynchronous starting and synchronous running, the exciting part of which consists of permanent magnetic steel : de en
  • GB501068A - Improvements relating to movable floors for vehicles : en
  • GB501035A - Improvements in or relating to non refillable bottles and other recipients or containers : en
  • US2148206A - Transposing device for piano accordions : en
  • FR837745A - Adhesive tape for assembling films and bonding process including the use : en fr
  • GB501190A - Improvements relating to the production of subtractive colour photographs : en
  • FR837806A - Locomotion apparatus set in motion by pedals : en fr
  • GB501237A - Improvements in internal combustion engines of the liquid fuel injection compression-ignition type : en
  • US2147771A - Floating top container : en
  • US2148038A - Coupling : en
  • CA379718A - Clock spring tension indicator : en fr
  • DE672754C - Sorting device for cards, letters or other flat objects with an adjustable number of compartments : de en
  • FR837863A - Process for preparing high molecular weight aliphatic polyoxide derivatives : en fr
  • FR838013A - Maximum switch : en fr
  • US2147873A - Head covering : en
  • DE672093C - Device for pressing the shaft leather or shaft material onto the adhesive back cap of turned footwear : de en
  • DE672130C - Rotating field voltage ferrari relay : de en
  • DK55839C - Process for the preparation of halogen and alkoxy derivatives of 2-oxytetrahydrofuran. : da en
  • GB501222A - Improvements in or relating to machines for cutting grass : en
  • FR837941A - Improvements to electrical cable manufacturing facilities : en fr
  • FR837901A - Bending machines : en fr
  • GB501302A - Improved means for hoisting torpedoes, bombs and the like into a required position for stowage or launching : en
  • DE672169C - Dissolving, softening, gelatinizing and swelling agents : de en
  • FR837986A - Device suitable for all vehicles with mechanical traction, and allowing by a simple maneuver to detach it from the supporting frame : en fr
  • GB501139A - Controlling devices in weft replenishing mechanism for looms : en
  • GB501280A - Improvements in or relating to the distillation and hydrogenation of liquid hydrocarbons and glycerides : en
  • US2147752A - Shredded coconut and process of making : en
  • US2147907A - Bowling ball attachment : en
  • US2148226A - Padlock : en
  • USD113462S - Design for a textile fabric : en
  • US2148049A - Electric valve control system : en
  • US2147995A - Mounting for bearings for knife edges : en
  • US2148195A - Washer bearing device : en
  • US2148331A - Method and composition for coating iron and steel articles : en
  • GB501436A - Improvements relating to yarns, threads and cords, and to textile fabrics made therefrom or incorporating them : en
  • FR837817A - Improvements to cathode ray tube circuits : en fr
  • US2148342A - Catalytic body : en
  • US2147785A - Process of forming sulphuric acid esters : en
  • US2147711A - Dynamometer : en
  • US2147851A - Stopcock : en
  • US2148050A - Closure fastener : en
  • US2148152A - Adjustable apron : en
  • AT155605B - Dishwasher. : de en
  • FR838026A - Fuel deaerator for internal combustion engines : en fr
  • GB501431A - Improvements in and relating to electric current rectifier systems : en
  • GB501152A - Improvements in loud speakers : en
  • DE672105C - Electrical switch with spring contacts : de en
  • FR837789A - Heavy fuel burner : en fr
  • US2147679A - Illuminating system : en
  • US2147828A - Tubular electrical grounding rod : en
  • US2148417A - Skate : en
  • USD113412S - Design fob a slipper : en
  • USD113440S - Design for a multiple envelope or : en
  • FR837705A - Electric discharge tube : en fr
  • AT155636B - Fishing line swimmers with a light bulb indicating that they have been bitten. : de en
  • AU489337A - Improvements inthe operation of gas filled electric discharge tubes with luminescent discharge, containing fluorescent materials : en
  • DE672267C - Pressure regulator : de en
  • DE672187C - Device for converting low-voltage alternating current into high-voltage direct current and vice versa : de en
  • US2147701A - Cellulosic structures and method for preparing same : en
  • USD113452S - Design fob a dress : en
  • US2147649A - Sound transmitting and receiving apparatus : en
  • CA379691A - Anti-skidding mixture : en fr
  • US2147858A - Grave cover : en
  • US2147970A - Closing of valve bags : en
  • AU106614B2 - Improvement in permanent magnets and process of making thesame : en
  • US2147642A - Production of artificial filaments, films, and like materials : en
  • US2148122A - Switch operator and control for dispensing pumps : en
  • AT155596B - Luminaries for electric light bulbs. : de en
  • GB501305A - Improvements in and apparatus for the recovery of nitrogen and oxygen : en
  • GR8010B - SWIMMING SHOES. : el en
  • US2147906A - Air conditioning apparatus for vehicle bodies : en
  • US2148320A - Automatic control of centrifugal devices : en
  • US2147779A - Spring clip device : en
  • US2147807A - Transmission line : en
  • USD113390S - Design for a shoe : en
  • CA379647A - Fading elimination : en fr
  • FR837742A - Non-reversible control handle, especially usable in aeronautics and motor navigation : en fr
  • FR837907A - Phonograph for sound carriers in the form of endless bands : en fr
  • GB500973A - Improvements in distributing devices for air or other gaseous fluids : en
  • US2147699A - Engine cooling system : en
  • US2147899A - Method of making self-locking screws : en
  • US2148030A - Automatic tone control system : en
  • US2148190A - Hydraulic brake holding apparatus : en
  • AU106582B2 - Improvements in or relating to secondary electron emitting electrodes for electron discharge tubes : en
  • GB501331A - Improvements in stop devices for limiting the extent of movement of a boring tool orthe like : en
  • US2147648A - Synchronized theater production : en
  • US2147979A - Escalator control : en
  • DE672272C - Rueb collection wagon : de en
  • US2148156A - Combined parallel work support and clamp : en
  • US2148238A - Air circulator : en
  • US2148162A - Apparatus for stretching cords : en
  • US2147912A - Heat exchange system : en
  • US2148306A - Temperature compensated inductance coil : en
  • DE672088C - Process for the production of connection points with the help of reinforcing straps, in particular for drive chains : de en
  • US2148051A - Methods in utilizing sugar cane juice in the preparation of effervescent alcoholic drinks : en
  • USD113400S - Design for a flashlight : en
  • GB501157A - Printing apparatus : en
  • US2147722A - Pressure or condensate relief valve : en
  • AU249638A - Improvement in mechanism forand method of determining the plating relations of yarns ina knitted fabric : en
  • USD113423S - Design for a container for perfume : en
  • US2148325A - Composition of matter : en
  • US2148053A - Synchronizing alternating current motors : en
  • US2148094A - Web splicing device : en
  • US2147755A - Siphon and theftproof gas tank cover : en
  • GB501252A - Improvements in or relating to electric incandescent lamps and discharge tubes : en
  • US2147955A - Vehicle brake mechanism : en
  • FR837929A - Improvements to fabrics : en fr
  • GB501142A - Improvements in or relating to a process for the production of reducing sugar compositions and the products resulting therefrom : en
  • US2147691A - Sealing means for revolving shafts : en
  • DK55861C - Cold cuts machine. : da en
  • US2147730A - Spark plug : en
  • FR837808A - Improvements to repeating thermionic lamps : en fr
  • US2148029A - Independently sprung front wheel : en
  • US2148315A - Electric lamp : en
  • DK55852C - Device for air-cooled internal combustion engines, in particular Star engines. : da en
  • AT155640B - Chassis, in particular axle training and drive arrangements for motor vehicles. : de en
  • US2148176A - Composite sheet : en
  • US2148319A - Holder for cigarette packs : en
  • CA379700A - Pen or pencil clip : en fr
  • US2148108A - Coke oven construction : en
  • GB500970A - Improvements in and relating to transporting goods from a chocolate coating or like machine : en
  • AU106617B2 - Lubricated valve for low pressures : en
  • CA379656A - Elevator control system : en fr
  • AU53138A - Improved means for varying the selectivity of radio receivers : en
  • FR837706A - High molecular weight mercaptals and mercaptols and their manufacturing process : en fr
  • FR837950A - Racket perfected for tennis and similar games : en fr
  • GB501038A - Improvements in luminous gas-discharge tubes : en
  • DE672224C - Single-phase system for arc welding : de en
  • GB501072A - Improvements in holders for tools driven by flexible shafts : en
  • CA379712A - Filter : en fr
  • US2147917A - Automatic fishhook setter and shock absorber : en
  • US2148117A - Tube chilling apparatus : en
  • DE672108C - Tower cleaner for the desulphurisation of gases : de en
  • US2147791A - Magnetic material having low hysteresis losses : en
  • US2147929A - Vanity case : en
  • US2148129A - Dehydrogenation of hydrocarbons : en
  • US2148254A - Centrifugal fan : en
  • AU106621B2 - Improvements in or relating to coating compositions for producing dull or matte finish : en
  • CA379698A - Boot tree : en fr
  • CA379704A - Freight transferring apparatus : en fr
  • US2148014A - Spring support for vehicles : en
  • GB501220A - Receptacle for lozenges, tablets, medicaments, and such like : en
  • GB501279A - Improvements in or relating to electrically driven kinematograph cameras : en
  • GB501300A - Improvements in air filters : en
  • FR837989A - Reversible rolling process for hollow bodies : en fr
  • US2148363A - Clasp brake arrangement : en
  • US2147783A - Method for the acid treatment of clay : en
  • USD113386S - Design fob a kmt fabric or similar : en
  • CA379675A - Car truck friction mechanism : en fr
  • US2148362A - Brake arrangement : en
  • US2148130A - Can opener : en
  • USD113471S - Design fob a coat : en
  • GB501109A - Improvements in and relating to journal bearings in machine tools : en
  • FR837732A - Perfected toy : en fr
  • US2148179A - Collapsible illuminated display : en
  • US2148278A - Receptacle for cooling and transporting liquids : en
  • DE672204C - Mixing scales, especially for pickling purposes : de en
  • US2147946A - Furnace construction : en
  • FR837744A - Aromatic sulphonic acids with capillary action and method of preparing these acids : en fr
  • US2147820A - Circuit arrangement for recording telephonic communications : en
  • US2148279A - Folding postcard or window display : en
  • GB501271A - Improvements in and relating to the sealing of electric conductors into quartz or ceramic materials : en
  • DE672051C - Method and device for the production of double-walled glass containers : de en
  • AT155616B - Process for the production of tear-resistant and stretchable textile products. : de en
  • US2148392A - Electrical connection seal : en
  • AT155614B - Process for the treatment of residues resulting from the roasting of pyrites. : de en
  • DK55859C - Fluorescent sign. : da en
  • FR837824A - Fine sulphide roasting process : en fr
  • GR8011B - RADIO RECEIVER ANSWERES THE USED WAVE LENGTH WITHOUT TRANSMISSION SCALES FOR THE USE OF DOUBLE-METABLE FREQUENCY. : el en
  • FR838015A - Support for twin cycle headlights : en fr
  • GR8007B - DOUBLE ENERGY LATHE AND METHOD OF CONVERSION USING DOUBLE ENERGY LATINS AND SUCH. : el en
  • DE672040C - Locked self-loading pistol : de en
  • FR838007A - Additional lubrication device for cylinders of internal combustion engines : en fr
  • FR838005A - Electrical adjustment device by means of a reactance coil, the impedance of which is varied by pre-magnetization by direct current : en fr
  • GB501335A - Improvements in blocks for road or other surface markings : en
  • GB500964A - Improvements relating to electrical relays : en
  • IE15588L - Curtain suspension devices : en
  • DE672167C - Process for the refining of asphalts or hydrocarbon mixtures containing resins : de en
  • DE672256C - Sand spinner with vibrating sieve : de en
  • GB501244A - Improvements in cooling systems for furnaces with underfeed stokers : en
  • DK55845C - Nozzle for Vacuum Cleaners. : da en
  • FR838002A - Improvements with lead pencils : en fr
  • US2147861A - Pivotally mounted soap tray : en
  • FR837747A - Composite light source : en fr
  • GB501099A - A process for the preparation of optically active ª‰-(p-oxyphenyl)-isopropylmethylamines : en
  • GB501251A - Improvements in or relating to direction finding radio receivers : en
  • GB501025A - Improvements in or relating to a method and apparatus for removing soluble impurities from solid substances : en
  • GB501345A - Improvements in and relating to the manufacture of cores for hollow metal castings : en
  • GB501430A - Improved corrosion resisting process and apparatus therefor : en
  • GB501426A - Improvements in rouges and making-up substances : en
  • FR837872A - Making a rubber hydrochloride film : en fr
  • GB501083A - Improvements in and relating to engine suspensions for motor vehicles : en
  • FR837979A - Installation of gas turbines with combustion of the motive medium under constant pressure : en fr
  • GB501276A - An advertising apparatus : en
  • US2147943A - Molding fastener and installation : en
  • USRE21006E - Flexible conduit with end fittings : en
  • GR8020B - MEANS TO ACHIEVE MAJOR SPEED OF BICYCLES AND THEIR STANDING. : el en
  • FR837961A - Insulated wire stripping machine : en fr
  • CA379644A - Diversity radio receiver : en fr
  • FR837775A - Machine for preventive seed treatment : en fr
  • FR837849A - Modulation device for alternating current telegraphy : en fr
  • FR837927A - Improvements to heating and cooling systems : en fr
  • GB501400A - Improvements in or relating to circular brushes : en
  • DE672103C - Four-wheel bogie for vehicles traveling at very high speeds, especially railway vehicles : de en
  • GB501425A - Improvements in spring suspensions for motor vehicles and the like : en
  • DE672086C - Device for regulating the size of the deflection of vibrating machine parts by changing the power of the drive motor : de en
  • US2148088A - Jacquard loom mechanism : en
  • US2148397A - Ophthalmic mounting : en
  • US2147781A - Differential protection means : en
  • US2147693A - Light valve : en
  • DE672081C - Shaft furnace : de en
  • DE672213C - Tank stabilization system for ships : de en
  • US2148219A - Highway shoulder shaper : en
  • US2148323A - Holder and circuit opener for safety water lights : en
  • DE672269C - Inclined roll straightener : de en
  • GB501313A - Improvements in air pumps : en
  • GB501332A - An improvement in guy-ropes as used for tents and the like : en
  • DE672195C - Cutlery holder to be clamped to the edge of the plate : de en
  • DE671880C - Multiple deflection for pneumatic tube systems with switch blades arranged one above the other in a common housing : de en
  • CA379679A - Valve : en fr
  • FR837841A - New arrangement of star-mounted explosive engines for airplanes and aircraft, with respect to the axis of the driven propellers : en fr
  • US2147817A - Method of removably mounting sheet material : en
  • DE672146C - Device for adjusting the scythe blade rotatably attached to the tree at an angle to the tree : de en
  • GR8023B - METHOD OF MANUFACTURING PUZZLES AND OTHER GOODS FROM GALAZITE NON-NATURALLY EMBROIDERED LOOKS. : el en
  • FR837764A - Stitching needle : en fr
  • FR837952A - Improvements to air cooling of combustion engines : en fr
  • GB501189A - Lubricating device for aircraft engines : en
  • FR838019A - Modulator assembly for high efficiency high frequency transmitters : en fr
  • GB501234A - Improvements in or relating to two-directional electric telephony systems : en
  • FR837870A - Electric discharge tube : en fr
  • FR837911A - Mounting device for boosting a carrier frequency : en fr
  • AU268338A - Lubricated valve for low pressures : en
  • DE672120C - Device for separating a mixture composed of liquids with different specific weights : de en
  • GR8019B - GRILL BOILERS FOR ALL STEAM CLASS. : el en
  • US2147740A - Gem setting : en
  • US2147870A - Fruit handling and treating machine : en
  • US2147717A - Guided wave transmission : en
  • US2148135A - Dye : en
  • US2148087A - Sulphonated terpene products and methods for their production : en
  • USD113468S - Design for a coat : en
  • US2147700A - Threshold plate and assembly : en
  • FR838029A - Vertical filing cabinet : en fr
  • GB501042A - Improvements in or relating to sound recording : en
  • DE672115C - Waterproof seam : de en
  • GB501087A - A process for separating sulphuric acid from mixtures of sulphuric acid and sulphuric acid esters : en
  • DE671836C - Hydraulic brake for motor vehicles : de en
  • GB501232A - New therapeutically active organic antimony compounds and the process for their manufacture : en
  • GB501304A - Improvements in or relating to stuffing boxes for fluid pressure engines : en
  • US2147821A - Colloid mill : en
  • US2148174A - Arc-ray treating machine : en
  • US2148235A - Type case : en
  • US2148194A - Pigments : en
  • USD113460S - Design for a display stand fob col : en
  • US2147951A - Bag frame locking device : en
  • AT155645B - Freewheel brake hub, in particular for bicycles. : de en
  • US2147737A - Driving mechanism : en
  • USD113381S - Design for a shirt collar display : en
  • BE432300A - : en fr
  • DE672125C - Air space-insulated, especially for high-frequency transmission serving electrical line : de en
  • US2147633A - Shrimp-shelling machine : en
  • US2147639A - Control for air conditioning systems : en
  • US2147867A - Automatic defrosting refrigerator apparatus : en
  • FR837769A - Switch device or explosion-proof switch : en fr
  • US2148059A - Entrance cap : en
  • GB501586A - Improvements in or relating to photographic cameras incorporating photoelectric exposure meters : en
  • AU189738A - Improvements in shock absorbers or suspension means for vehicles : en
  • FR837846A - Contact terminal for connecting electrical conductors to installation devices : en fr
  • CA379678A - Bearing washing apparatus : en fr
  • DE672096C - Ring spinning or ring twisting machine with a spindle bench that moves vertically up and down : de en
  • USD113391S - Design for a shoe : en
  • USD113450S - Design for a collar or similar : en
  • FR837815A - Improvements to mercury switches : en fr
  • US2148123A - Elevator suspension device : en
  • GB501137A - Improvements in or relating to shaving implements : en
  • GB501023A - Improvements in rotating mechanism for lathe and like turrets : en
  • GR8022B - AUTOMATIC ELECTRIC DISINFECTION OVEN. : el en
  • GR8012B - A MORE PERFECT WAY FOR GRAPHIC FISHING THROUGH ELECTRICAL APPLIANCE. : el en
  • USD113371S - Design fob a signal lamp for : en
  • FR838000A - Transmission systems with secrecy : en fr
  • GB501177A - Cold-sealing substitutes for sealing wax : en
  • GB501210A - Improvements in the manufacture of enamelled and glazed products : en
  • US2148380A - Woven wire fencing : en
  • GB501320A - Improvements in and relating to tool or work spindles of machine-tools : en
  • GB501344A - Improvements in or relating to apparatus for refining and purifying used and dirty lubricating oil : en
  • DE672133C - Drive working with alternating current machines, in which the speed of the generator drive machine is changed to regulate the speed of the motor : de en
  • GB501147A - Improvements in brushes for plansifters : en
  • GB501240A - Improvements in electric boiling plates : en
  • FR837750A - Process for making cores which can be inflated for molding hollow concrete objects : en fr
  • US2148376A - Cylinder paper-making machine : en
  • FR837719A - Automatic fire extinguisher under hood : en fr
  • GB501166A - Furnace for effecting reductions and other reactions : en
  • US2147708A - Edge setting machine : en
  • CA379720A - Weed exterminator : en fr
  • FR837914A - Hydraulic transmission for road and all terrain vehicles : en fr
  • DE672190C - Gas generator for vehicles with an evaporator ring-shaped surrounding the shaft : de en
  • USD113395S - Escutcheon : en
  • DE672273C - Drinking glass with an electric lightbulb housed in its hollow handle : de en
  • FR837737A - Horsehair yarn for stiffening fabrics : en fr
  • FR837752A - Oxy-cutting process : en fr
  • FR837843A - Method and device for cleaning the smelting channels of induction furnaces for light metals : en fr
  • US2148000A - X-ray tube : en
  • US2148155A - Labeling method : en
  • FR837874A - Devices for sealing the fuel tanks of storm lanterns : en fr
  • FR837878A - Process for supplying fresh electrolyte in aluminum refining furnaces : en fr
  • GB501108A - Improvements in clock cases and like containers of stone ware or like brittle material : en
  • FR837854A - Pneumatic backfill with adjustable bucket wheel in conical box : en fr
  • FR837980A - Combined heated ironing press with flapper : en fr
  • GB501041A - Improved manufacture of stiff bandages : en
  • GB501328A - Improvements in or relating to endurance testing : en
  • FR837748A - Apparatus for determining severity or variations in severity : en fr
  • FR837793A - Telegraph installation : en fr
  • GB501183A - Improvements in or relating to vehicle bodies : en
  • FR837898A - Electric discharge tube : en fr
  • FI18403A - Fan door : en fi
  • GB501326A - Improvements in or relating to the connection of a tube and a rod which may be tubular, particularly for luggage carriers of bicycles, motor-cycles and the like : en
  • DE672032C - Photo chamber with range finder : de en
  • DE672106C - Stone lattice for regenerators, wind heaters, heat accumulators, etc. like : de en
  • US2148045A - Method of cathode disintegration : en
  • US2147882A - Apparatus for shaping plowshares : en
  • US2148062A - Method of forming polyvinyl acetal resin sheets : en
  • US2148146A - Diazo compounds : en
  • US2148223A - Apparatus for forming seamless milk can covers : en
  • IE15600L - Tempering of glass : en
  • FR837869A - Electric micro-scale : en fr
  • FR837994A - Process for treating oils using solvents : en fr
  • USD113387S - Design fob an automobile emblem ob : en
  • USD113477S - Design fob a dress ensemble : en
  • DK55848C - Glasses. : da en
  • FR837773A - Adjustment device for instruments used for examining the eyes, in particular for slit lamps : en fr
  • FR837897A - Improvements in the means of storing and sowing seeds : en fr
  • GB501323A - Improvements in or relating to rotary air compressors : en
  • FR838042A - Method and apparatus for seamlessly converting a sedan into a convertible convertible : en fr
  • GB501033A - Improvements in the manufacture of rubber products : en
  • DK55860C - Movement mechanism for Cassette Holders in Cameras. : da en
  • FR837999A - System for measuring distances by means of e.g. electric waves : en fr
  • US2147823A - Regenerative repeater for telegraph signals : en
  • GB501174A - Improvements in and relating to the ignition of electric discharge apparatus : en
  • USRE21011E - Railway switch : en
  • CA379714A - Nursery utensil : en fr
  • DE672212C - Process for the production of cinematographic recordings in natural colors with a projected background : de en
  • FR837741A - Process for chlorinating organic compounds : en fr
  • GB501180A - Improvements in or relating to flow control devices particularly for water softeningapparatus : en
  • GB501283A - Improvements in the manufacture and production of adhesive pastes : en
  • US2148169A - Receptacle closure and method of manufacture thereof : en
  • US2148366A - Brake arrangement : en
  • USD113441S - Design for a coffeepot or similar : en
  • DE672283C - Bucket wheel excavator with a bucket wheel boom that can be raised and lowered and moved against the impact of the excavator and with two bucket hoppers arranged next to one another for loading conveyor trains traveling next to one another : de en
  • FR837825A - Improvements in the accordion wind tunnel : en fr
  • GB501299A - Improvements in and relating to the manufacture of staple fibre and in apparatus therefor : en
  • US2148214A - Vibrating machine : en
  • USD113430S - Design for a bottle : en
  • US2147739A - Continuous process for reacting organic web materials with liquefied reagents : en
  • DE672222C - Remote control system : de en
  • DE671988C - Device for remote reporting and remote control : de en
  • USD113482S - Design fob a scarf : en
  • US2148220A - Guide and deflector for glass charges : en
  • US2148249A - Internal combustion engine : en
  • USD113419S - Design for a receptacle sealing cap : en
  • USD113481S - Design for a dress ensemble : en
  • US2147825A - Electron multiplier device : en
  • US2148231A - Pressure producing device for hydraulic pressure systems : en
  • US2148198A - Illuminating device : en
  • CA379687A - Tracing apparatus : en fr
  • US2147669A - Secondary electron emitting electrode : en
  • FR837975A - Improvements made to flexible or elastic joints, in particular for transmission shafts : en fr
  • US2147732A - Two-wheeled vehicle : en
  • US2148261A - Frame mounting for mirrors, covers, etc. : en
  • US2147890A - Swinging sign : en
  • US2148388A - Fan discharge casing : en
  • US2147991A - Extension ladder : en
  • US2148262A - Power transmission : en
  • USD113370S - Design fob a refrigerator cabinet : en
  • AU106602B2 - Improvements in or relating to machines for manufacturing record cards : en
  • DE672116C - Process for the prevention of damage to fibers by small organisms that destroy fibers : de en
  • AT155641B - Body for motorcycle sidecars. : de en
  • FR837932A - Siphon for sink or other similar applications : en fr
  • US2147964A - Holding rack for wrappers : en
  • US2148394A - Section or warper beam : en
  • GB500966A - Improvements in and connected with valve devices particularly adapted for use in connection with aircraft tanks : en
  • DE672878C - Lifting device for bedridden sick people : de en
  • GB501172A - Process and apparatus for the manufacture of corrugated plywood : en
  • GB501219A - Improvements in or relating to conveyor systems : en
  • US2148234A - Pressure container and process of making same : en
  • USD113424S - Design foe a mirror back or similar : en
  • US2147869A - Display stand : en
  • DE672165C - Bimetallic disk serving as a heat-sensitive switching element in electrically heated devices with a developable base area with a bridge punched out of the basic shape, which performs snap movements : de en
  • DE672067C - Overcurrent carrier fuse : de en
  • GB501115A - Improvements in or relating to electrolysing devices of the vertical diaphragm type : en
  • DE672203C - Arrangement for making changes in position of such parts perceptible (such as shafts subject to rotation) which are exposed to fast changes in position in addition to a shift that changes only slowly : de en
  • FR837726A - Vacuum cleaner nozzle with suction nozzle mounted pivotably on a mouthpiece notched correspondingly to its upper part : en fr
  • FR837972A - Food product and process for making it : en fr
  • GB500982A - Improvements in supporting devices for watches and watch movements : en
  • US2148403A - Glove pressing and stretching machine : en
  • US2147759A - Demountable stand : en
  • AU106606B2 - Improved process of protecting metal surfaces by electrodeposition : en
  • AT155606B - Adjustable seat and deck chair consisting of a stand part and parts that are articulated to one another. : de en
  • US2148079A - Mold for making pliable plastic articles : en
  • AT155610B - Swivel base for foldaway beds. : de en
  • AU106590B2 - Improvements in or relating to thermionic valves : en
  • USD113484S - Design for a suit ensemble : en
  • US2147773A - Card display case : en
  • DE672102C - Reel with adjustable intermediate pieces : de en
  • US2147889A - Processing of tissue or paper and the product obtained thereby : en
  • US2148275A - Manufacture of surface active : en
  • US2147716A - Display device : en
  • FR837714A - Device for measuring lengths, based on the electromagnetic principle : en fr
  • DE672249C - Electromagnetic switching device for switching on and off the auxiliary phase of single-phase induction motors : de en
  • GB501233A - Improvements in or relating to processes for the manufacture of aluminium or aluminium alloys : en
  • GB501270A - Improvements in or relating to mosaic photo-cells and processes of manufacturing same : en
  • GR8013B - TYPE OF SHOES SHOW. : el en
  • DE671998C - Binary mixture of organic substances for the operation of absorption refrigerators : de en
  • US2147986A - Pruning saw : en
  • US2147630A - Double circuit frictionally restrained switch : en
  • US2147709A - Tinned copper radiator fin : en
  • US2148233A - Audiphone : en
  • GB501327A - Improvements in method of and machine for treating tubular fabrics : en
  • AU158938A - Improvement in machines for making golfballs : en
  • AU272238A - Improvements in or relating to cowlings for aircraft engines or radiators : en
  • DE672259C - Lowering brake for encapsulated block winches : de en
  • FR837935A - Improvements to liquid compositions for polishing work : en fr
  • US2148090A - Standardized shop equipment : en
  • CA379646A - Acoustical energy transforming device : en fr
  • GB501301A - Process of treating tars, fuel oils and bitumens : en
  • US2147797A - Engine : en
  • US2148177A - Control arm for vehicle springs : en
  • AU106597B2 - Improvements in or relating to electron discharge device amplifiers : en
  • US2148020A - Process for treating metals : en
  • US2148093A - Rotary packing : en
  • US2147866A - Tree cavity filling and filler block therefor : en
  • DE672248C - Method for the automatic recovery of a polyphase inverter, in particular an arc converter, during the tilting process : de en
  • FR837880A - Improvement of salt boxes and other powdery products equipped with a pouring device : en fr
  • GB501117A - Improvements in or relating to material adding devices for automatic beam weighing scales : en
  • US2148396A - Shore : en
  • US2147922A - Suspender loop fastener : en
  • US2148056A - Apparatus for treating petroleum distillates : en
  • US2147947A - Insecticide : en
  • US2148063A - Flying target : en
  • USD113458S - Design fob a boat : en
  • DK55837C - Process for the preparation of substituted pyridine-o-dicarboxylic acid amides. : da en
  • GB501342A - Improvements in or relating to traps for flies and the like : en
  • GR8024B - PUMP. : el en
  • US2148015A - Machine for stripping and sorting tobacco leaves : en
  • DE672176C - Self-tie with elastic insert : de en
  • GB501062A - Improvements in slidable bolt fastenings for attache and suit cases and the like : en
  • US2147838A - Thermal treatment of hydrocarbons : en
  • GB501024A - Light weight structural materials and method of manufacturing same : en
  • GB501098A - Improvements in or relating to electric conduits : en
  • DE672245C - Contact arrangement in which the power line takes place via one or more springs : de en
  • GB501217A - Improvements in or relating to hydraulic lifts : en
  • US2148316A - Process for finishing chintz : en
  • US2148372A - Offset tricone bit : en
  • GB501082A - Improvements relating to looms having automatic weft replenishment : en
  • US2148080A - Wrench : en
  • US2148104A - Vibration dampener : en
  • US2147741A - Apparatus for controlling the delivery of air : en
  • US2148102A - Bowling dice game : en
  • US2147751A - Coconut product and process of making : en
  • USD113380S - Design for a display table : en
  • GB501207A - Improvements in the curling of yarns for weaving : en
  • DE672230C - Process for the production of multilayer bituminous papers : de en
  • US2148105A - Air conditioning system for rail cars : en
  • US2148276A - Cooler top : en
  • US2148354A - Football game apparatus : en
  • AT155595B - Magnetic material that is particularly suitable for the production of powder cores. : de en
  • US2147684A - Butter-chip maker : en
  • US2148296A - Dynamo-electric machine : en
  • US2148047A - Seltzer bottle attachment : en
  • US2148091A - Spring clip device : en
  • FR837731A - Improvements to acceleration pumps and associated devices for internal combustion engines : en fr
  • FR837795A - Tubular lighting or irradiation apparatus comprising one or more gas-filled discharge tubes : en fr
  • DK55842C - Fully or semi-automatic Telephone system or similar Remote signaling system. : da en
  • US2148128A - Composition of matter useful for insulating and other purposes : en
  • DE672029C - Sewing machine with looper shaft and feed shaft driven by belts from the needle bar drive shaft : de en
  • US2148287A - High frequency receiving system : en
  • CA379699A - Socket connection : en fr
  • US2147692A - Listing calculator : en
  • US2148252A - Intermediate for azo dyes and the manufacture thereof : en
  • CA379711A - Air cleaner : en fr
  • US2148402A - Fabric bolt rack : en
  • DE672238C - Process for dyeing rayon made from folded cellulose with stain dyes : de en
  • DE672564C - Scraper device for pre-broken bast fiber material : de en
  • FR837796A - Newspaper with advertising inscriptions : en fr
  • FR837894A - Process for dehydrating potatoes and beets into pieces : en fr
  • AT155584B - Arrangement for the operation of converters. : de en
  • DE672092C - Cutter knife : de en
  • IE15641L - Cooling of rear engined motor vehicles : en
  • US2147696A - Scraper : en
  • US2148303A - Fire alarm system : en
  • US2147798A - Harvest collection bin : en
  • US2148267A - Method of and apparatus for radiogoniometric indication : en
  • US2147805A - Basin : en
  • FR837922A - Products for the maintenance and hygiene of the scalp and their manufacturing processes : en fr
  • FR837967A - Improvement in the impregnation of metals by silicon : en fr
  • FR837835A - DC to AC converter : en fr
  • DK55851C - Control for Inlet or Outlet Valves or both Types Valves for Piston Power Machines. : da en
  • FR837876A - Improvements to dust vacuum cleaners : en fr
  • FR837715A - Device for calculating the price of a commodity based on its weight : en fr
  • FR837727A - Method and apparatus for compacting powdery materials : en fr
  • GB501052A - Carpet sweeper : en
  • DE670500C - Braking device acting on the towing vehicle when the trailer hits the trailer : de en
  • US2148147A - Process for bleaching tobacco : en
  • AT155634B - Spreading device for solid and liquid fertilizer. : de en
  • CA379665A - Electrical precipitation : en fr
  • FR837988A - Metal bath for surface hardening of steel parts : en fr
  • FR838047A - Applications of mineral fibers and in particular glass fibers in agriculture : en fr
  • GB501735A - Improvements in and relating to electric converting circuits : en
  • USD113447S - Design for a portable power driven : en
  • FR837953A - Electromagnetic wave propagation direction indicating systems, for example : en fr
  • GB501026A - Improvements in or relating to electric motors : en
  • DE672109C - Speed change gear for devices for sound recording or sound reproduction : de en
  • US2147727A - Radiator cap : en
  • GB501297A - Improvements relating to bicycle and like wheels : en
  • US2147827A - Air regenerator for coke ovens : en
  • US2148160A - Fairing holder : en
  • FR837801A - New device for launching the looms shuttle : en fr
  • US2147843A - Method of casting diamond core drill bits : en
  • GB500991A - Low-frequency correction of television amplifiers : en
  • GB500998A - Improvements relating to electrical relays : en
  • DE672174C - Horse-drawn wagons or lighter trailers with a slewing ring without a trace : de en
  • FR837774A - Portable collapsible and insulated ice cream box : en fr
  • GB501247A - Improvements in punching or nibbling machines : en
  • GB501435A - Improvements in and relating to the production of kinematograph pictures in natural colours : en
  • US2147674A - Apparatus for controlling rotation : en
  • FR838050A - Improvement brought to pasta press molds : en fr
  • GB501338A - Valve seat grinding means : en
  • GB501421A - Manufacture of compounds of the cyclopentano-polyhydrophenanthrene series : en
  • GB501160A - Improvements in apparatus for the reproduction of sound films : en
  • GB501261A - Improvements in and relating to electric arc welding machines : en
  • GB501429A - Improvements in or relating to reflectors for electromagnetic waves : en
  • FR837910A - Automatic tuning device : en fr
  • GB501173A - Improvements in or relating to engine starters : en
  • US2147748A - Sign, ornamental device, and the like : en
  • GB501028A - Improvements in or relating to electric signalling systems : en
  • GB501171A - Improvements in power transmission couplings : en
  • GB501424A - Method for simultaneous production of iron and carbondioxide : en
  • GB501333A - Apparatus for electrically testing the thickness of coatings or of other thin layers : en
  • USD113451S - Design for a combined book end : en
  • US2147884A - Power operated sweep rake : en
  • FR837822A - Calculating device for addition and subtraction : en fr
  • FR837939A - Motor vehicle upgrades : en fr
  • GB501433A - Improvements in or relating to desk lamps : en
  • DK55856C - Sliding valve. : da en
  • IE15319L - Producing gasoline hydrocarbons by catalytic polymerisation. : en
  • FR837734A - Device for measuring the amplitude and frequency of mechanical vibrations : en fr
  • GB501106A - Improvements in radio signalling systems : en
  • GB501149A - Improvements in wire tightening and twisting machines for packages : en
  • US2148086A - Automobile body and seat construction : en
  • GR8021B - CALENDAR. : el en
  • FR837850A - A process for producing corrugated, wool-like fibers using spinning solutions containing cellulose : en fr
  • FR837977A - Improvements in the control of mobile surfaces in aircraft : en fr
  • GB501215A - Improvements in and relating to travelling scrapers and the like : en
  • DE672275C - Latch arrangement, especially for locks that can be used on the right and left : de en
  • DK55862C - Locking and Signaling Apparatus for Cabins. : da en
  • DE672063C - Process for the amplification of a photo to be split up for the purpose of television transmission : de en
  • DE672205C - Portable baby scales in a suitcase-like container : de en
  • GB501091A - Improvements in or relating to roller guards for helically guided gasholders : en
  • GB501223A - Improvements in tunnels, subways and like structures : en
  • US2148041A - Closure for containers : en
  • US2148349A - Orbital lathe feed mechanism : en
  • DE671884C - Process for the pressure hydrogenation of fuels and their conversion products : de en
  • FR837798A - Signaling device at level crossings : en fr
  • US2147833A - Crushing mill : en
  • DE672251C - Device for painless treatment, in particular for drilling out living teeth : de en
  • FR837728A - Improvements in the means used to test the electric ignition systems of internal combustion engines : en fr
  • AT155643B - Mobile spreading device, especially for sand. : de en
  • FR837920A - Advanced training in transmission systems : en fr
  • GR8009B - HYGIENE PERSONS FOR WORKERS. : el en
  • GB501241A - Improvements in and relating to electric switches, having arc-extinguishing chambers : en
  • US2148280A - Clutch and brake control mechanism : en
  • GB501200A - : en
  • GB501265A - Improvements in or relating to casement windows and analogous structures : en
  • US2147778A - Planogbaphic printing plate : en
  • US2147742A - Heel-seat fitting machine : en
  • US2148343A - Nonskidtibe : en
  • US2148389A - Signaling system and method : en
  • US2147697A - Coating composition : en
  • US2147966A - Window-sash lock : en
  • AU123038A - Improvements in the manner of temperature regulation in the treatment of distillable carbonaceous materials with hydro genating gases : en
  • CA379653A - Magneto generator : en fr
  • US2147928A - Gear pump : en
  • US2148415A - Reversible refrigerating apparatus for heating and cooling : en
  • US2147718A - Fire detector and alarm : en
  • US2147923A - Needle jack pusher : en
  • GB500996A - Improvements in or relating to apparatus for mechanically and electrically connecting conductors carrying high frequency currents : en
  • US2147734A - Lamp : en
  • US2148327A - Oil well completion apparatus : en
  • US2148242A - Automobile bumper post : en
  • AU12738A - Eddy-current coin-tester : en
  • GB501288A - Process of treating cellulosic textile materials : en
  • US2148017A - Electrical discharge device : en
  • FR837946A - Household item, such as broom : en fr
  • GB500992A - Improvements in followers for operating latch bolts and other bolts : en
  • US2148074A - Fishhook : en
  • FR837902A - Elastic suspension, in particular for motor vehicles : en fr
  • US2147731A - Clothesline clip : en
  • US2147879A - Spiral conveyer : en
  • US2148384A - Transmission system : en
  • US2148256A - Braking system for vehicles : en
  • FR837881A - Method and device for automatic correction in volumetric measurement of gases : en fr
  • FR838030A - Improvements in the assembly of cleaning units for spinning machines, for preparing textiles and for similar machines : en fr
  • GB501310A - Improvements relating to hand hammers : en
  • FR837754A - Machine for the automatic placing in racks or boxes of all containers or objects : en fr
  • GB501075A - Improvements in or relating to hair cutting devices : en
  • US2147747A - Appliance for drying, finishing, and stretching the legs of slacks and trousers : en
  • US2148118A - Spring assembly for upholstery : en
  • US2148151A - Copper alloy : en
  • DE672129C - Safety device for electrical power plants : de en
  • FR837761A - Process for the treatment of substances by sudden cooling, in particular for the manufacture of butter in continuous operation and means for implementing this process : en fr
  • FR837865A - Improvements to assemblies : en fr
  • GB501239A - Improvements in manufacture of rubber hydrohalide film : en
  • DE672062C - TV home receiver, in which the image on the fluorescent screen of a cathode ray tube is designed on a projection surface : de en
  • FR837823A - Improvements to the assemblies used to obtain sawtooth current curves, for trapezoidal exploration by cathode rays : en fr
  • US2147703A - Cellulose derivative composition : en
  • US2148089A - Printing press : en
  • GB501153A - Improvements in hangers for the suspension of pictures, calendars, pamphlets and thelike : en
  • US2148258A - Production of sulphur : en
  • US2148347A - Soniferous device : en
  • GB501268A - Improvements in or relating to the treatment and production of beryllium compounds : en
  • US2148159A - Illuminated display case : en
  • US2148185A - Automatic fishing reel : en
  • US2148334A - Rot-protecting covering for wooden posts, sleepers, and the like : en
  • US2148111A - Tire tool : en
  • US2147770A - Method of producing colored designs on ceramic ware : en
  • US2147846A - Sharpening device : en
  • US2148210A - Ornamental wheel disk : en
  • DE672022C - Process for the production of lithium-calcium alloys : de en
  • US2147663A - Method of and apparatus for handling loose material : en
  • US2148213A - Wheel disk : en
  • US2148307A - Drawing board support : en
  • USD113457S - Design for a display stand or similar : en
  • CA379692A - Trolley system : en fr
  • US2148227A - Starting system : en
  • US2147688A - Magnetic impulse storing device : en
  • US2148341A - Glare preventive system : en
  • US2147641A - Production of artificial filaments, films, and like materials : en
  • US2147897A - Combination stationery and envelope : en
  • GB500975A - Improvements in electric snap-action switches : en
  • FR837804A - Device applicable to football goals, in particular for the training of players : en fr
  • GB501119A - Safety cartridge for mines : en
  • US2147735A - Folding machine : en
  • US2147768A - Closure for containers : en
  • US2147900A - Game board : en
  • GB501022A - Improvements in or relating to cutting out presses : en
  • IE15254L - Telephony : en
  • GB501309A - Improvements in and relating to fans : en
  • US2147750A - Power transmission : en
  • US2148245A - Casket rack for hearses : en
  • US2147774A - Process of refining clay : en
  • GB501287A - Process for the recovery of oxygen from gaseous mixtures : en
  • US2147973A - Center pin construction : en
  • US2148312A - Internal combustion rotary engine : en
  • DE672198C - Storage container for grainy and powdery goods : de en
  • AT155617B - Process for the production of tear-resistant and stretchable textile products. : de en
  • DE672057C - Lining : de en
  • US2147959A - Illuminated indicium : en
  • USD113392S - Design fob a braid or similar article : en
  • AU536137A - Improvements in or relating to phase adjusting devices : en
  • US2148106A - Process of preparing aryl mercaptans : en
  • US2148221A - Spinnerette manufacturing apparatus : en
  • USD113421S - Design for an electric iron : en
  • AT155597B - Light beam scanning transmitter. : de en
  • US2148295A - Circuit breaker : en
  • US2148052A - Process and apparatus for burning cement and similar materials : en
  • US2147705A - Ball catching and throwing apparatus : en
  • GB501097A - Machine for cutting bevel gears : en
  • GB501118A - Improvements in or relating to variable ratio transmission gear mechanisms : en
  • GB501444A - An improved method and means for electrically warming and airing beds : en
  • DE672161C - Strip mill : de en
  • FR837814A - Magneto rotating magnet : en fr
  • FR837923A - Special use of grinding spindles : en fr
  • GB501278A - Process for manufacturing catalysts and for bringing about catalytic reactions therewith : en
  • GB501080A - Improvements relating to loom dobbies : en
  • GB501086A - Improvements in or relating to dart boards : en
  • CA379663A - Fibreboard container : en fr
  • DE672291C - Process for applying paints to rubber surfaces : de en
  • US2147972A - Folding card table : en
  • GB501192A - Improvements in or relating to filters or purifiers for air or other gases or for vapours : en
  • FR837753A - Electric stove oven : en fr
  • DE672154C - Reproduction device : de en
  • DE672200C - Device for sticking electrical cables or pipes on the wall : de en
  • FR837966A - Seat : en fr
  • GB500989A - A water sport appliance : en
  • GB501071A - Improvements in the manufacture of butadiene : en
  • FR837803A - Protective sheath for underground cables and other similar uses : en fr
  • FR837834A - Electric discharge tube and device used to manufacture it : en fr
  • GB501070A - Improved corsets : en
  • US2148163A - Motion detector : en
  • DK55844C - Drain and Disinfectant for Basins or Saliva Cups. : da en
  • US2148379A - Take-off mechanism : en
  • US2147944A - Automatic dial illuminator : en
  • US2148288A - Production of olefin hydration products : en
  • US2147999A - Exposure meter : en
  • US2148304A - Treatment of halogenated organic compounds : en
  • GB500978A - Improvements in or relating to television and like systems and apparatus therefor : en
  • US2148243A - Centrifugal clutch : en
  • US2148293A - Tool feed mechanism for lathes : en
  • US2147698A - Method in the preparation of progressive-burning smokeless powder, and product thereof : en
  • USD113448S - Design for a combined cigarette case : en
  • US2147894A - Loudspeaker system : en
  • CA379683A - Electromagnetic switching device : en fr
  • US2147996A - Temperature compensator for brake adjusters : en
  • US2148355A - Method for producing carbon black : en
  • US2147766A - Fluid-operated pump piston device : en
  • GB501296A - Improvements in or relating to wound packages of yarns, threads, and the like : en
  • DE672091C - Cutter knife : de en
  • GB501213A - Improvements in and relating to two-stroke internal combustion engines : en
  • GB501242A - Improvements in and relating to axle mountings and driving mechanism for the drivingwheels of multiple axle motor road vehicles : en
  • AT155623B - Method of image production. : de en
  • US2147938A - Wrench : en
  • DE672158C - Vehicle consisting of a front end and a single-axle rear end, in particular a mobile gun : de en
  • US2147802A - Eyeglass pad : en
  • AT155621B - Process for the electrolytic production of zinc coatings. : de en
  • FR837851A - Vehicle body applicable in particular to motor vehicles : en fr
  • US2147806A - Directional antenna : en
  • US2148170A - Clutch mechanism : en
  • DE672059C - Iron splice shoe for wooden pit stamps : de en
  • DE672186C - Device for generating an alternating grid voltage with a sharp waveform : de en
  • US2147681A - Horizontal chamber coke oven : en
  • US2147875A - Last protection : en
  • US2148346A - Amusement device : en
  • US2148364A - Coupler : en
  • US2148019A - Fishing tool : en
  • US2148127A - Composition of matter useful for insulating and other purposes : en
  • US2148399A - Egg beater and whip : en
  • US2147672A - Smelting and refining process : en
  • USD113446S - Design fob a traveling bag : en
  • US2148330A - Automatic drain float : en
  • US2148236A - Fountain pen : en
  • AT155603B - Electric light bulb. : de en
  • AU18438A - Improvements in electric water heaters : en
  • AT155576B - Printing plate for security printer. : de en
  • CA379681A - Engine silencer : en fr
  • FR837926A - Grinder for fatty products and in particular coffee : en fr
  • USD113397S - Design for a deviator spout : en
  • US2147927A - Cone cutter support : en
  • GB501021A - An improved process for trueing the curved surface of grinding discs for grinding toothed wheels : en
  • GB501193A - Method of continuously forming a paper web : en
  • GB501422A - Improvements in or relating to washing processes : en
  • GB501423A - Improvements in and relating to exhausting and charging arrangements for internal combustion engines : en
  • US2147857A - Method of irradiating liquids : en
  • US2147815A - Joint having cylindrical studs : en
  • US2147772A - Thermo-adhesive tapes or the like : en
  • US2148360A - Oil well casing head and tubing hanger : en
  • AT155620B - Method of waterproofing textile fabrics. : de en
  • AU106623B2 - Improvements in or relating to railway crossings : en
  • DE672265C - Method for determining the location of a leak in pipelines filled with liquid or gas : de en
  • DE672231C - Device for filling vessels by means of a filling pipe : de en
  • US2147659A - Prefabricated building : en
  • US2147809A - High frequency bridge circuits and high frequency repeaters : en
  • DE672076C - Laying machine for warp knitting machines : de en
  • FR837949A - Azo dyes, processes for their manufacture and industrial applications : en fr
  • FR837970A - Improvements to vacuum cleaning devices : en fr
  • GB501248A - Improvements in or relating to direction finders : en
  • US2147745A - Vehicle bumper : en
  • USD113410S - Design for a handle fob chafing : en
  • AU106589B2 - Improved apparatus for imparting vibratory motion : en
  • US2148216A - Folding brush : en
  • USD113398S - Design fob a combined lavatory : en
  • AT155627B - Process for the preparation of androsten- (4) -ol- (17) -one- (3) or its esters. : de en
  • US2147756A - Secondary electron tube : en
  • US2148359A - Scraper : en
  • US2148021A - Carton : en
  • US2148032A - Carroting process : en
  • US2147853A - Clothes wringer : en
  • US2148067A - Ore concentrator : en
  • US2148257A - Method of making brake shoes : en
  • DE664527C - Conveyor chain, especially for plan drying machines for fabrics : de en
  • DK55865C - Machine for fitting feathers on the head of badminton balls. : da en
  • DE672090C - Exhaust cooler for aircraft engines : de en
  • GB500968A - Improvements in expansible and collapsible boxes for pressure and temperature-sensitive devices : en
  • US2147754A - Electric circuit interrupter : en
  • US2147707A - Bunion mold : en
  • DE672264C - Chip clearer for sound recording devices : de en
  • AT155604B - Support plate for typewriters that can be pushed into a cupboard, desk or the like. : de en
  • CA379709A - Ski-binding : en fr
  • AU523937A - Improvements in or relating to secondary electron emitting electrodes for electron discharge tubes : en
  • FR837859A - Device for supporting and transporting a hammer drill : en fr
  • GB500967A - Improvements in or relating to the testing of magnetisable workpieces for fissures : en
  • GB501211A - Improvements in or relating to high frequency amplifiers : en
  • AU106618B2 - Improvements in and relating tothe utilization ofthe exhaust gas energy of aircraft engines for propulsion purposes : en
  • AU111325B2 - Improvements in and relating to vacuum tube devices : en
  • US2147826A - Automobile door latch : en
  • US2147976A - Wire clip forming and closing machine : en
  • US2148411A - Cigarette holder : en
  • US2148166A - Reproducing apparatus and method : en
  • US2147811A - Quaternary ammonium salts : en
  • US2147876A - Countercurrent condenser : en
  • US2148042A - Compounds of the dibenzanthrone series : en
  • AT155629B - Process for the production of condensation products. : de en
  • US2147985A - Process for preparing a catalytic material : en
  • USD113433S - Design for a combined clothes brush : en
  • US2147660A - Vibration dampener : en
  • US2148377A - Sewing machine having automatically operated cutting devices : en
  • USD113467S - Design for a match holder : en
  • US2147764A - Truck brake : en
  • US2148164A - Braiding machine : en
  • US2148369A - Cut-off machine : en
  • CA379719A - Shoulder strap supporter : en fr
  • GB501067A - An improvement in or relating to pile wires for looms : en
  • US2147920A - Transmission : en
  • US2148255A - Fastener : en
  • AU106595B2 - Improvements in or relating to suction cleaning machines : en
  • US2147952A - Wood tank construction : en
  • US2148285A - Shaving cream : en
  • USPP314P - Frederick hdber howard : en
  • CA379649A - Ethanol and beverage : en fr
  • US2147925A - Method of gas flame control for heating furnaces : en
  • US2147761A - Fluid hoist : en
  • USD113414S - Design fob a cheese server dish : en
  • IE15325L - Motor vehicle bodies : en
  • US2148002A - Telegraph printing, recording, and like apparatus : en
  • FR837919A - Transmission system : en fr
  • USD113378S - Design for a liquid dispenser cabinet : en
  • USD113463S - Design foe a nutcracker : en
  • US2147675A - Chick box : en
  • US2148175A - Absorbent material for gas masks : en
  • US2147841A - Protective system : en
  • US2147940A - Amplifier : en
  • US2147896A - Core taking apparatus : en
  • US2148321A - Collapsible tube dispensing device : en
  • AU106624B2 - Improved process for scanning films by means of television image transmitting tubes : en
  • FR837800A - Rotisserie for large and small roasts : en fr
  • GB501733A - Improvements in or relating to electrical musical instruments : en
  • GB501317A - Improvements in variable speed planetary gear transmissions : en
  • US2147665A - Razor blade wrapper : en
  • US2148268A - Brake : en
  • CA379669A - Composite wheel : en fr
  • AT155586B - Installation apparatus with a base attached to the insulating base. : de en
  • CA379648A - Rustless iron : en fr
  • US2148070A - Pump : en
  • US2148196A - Closure for containers : en
  • US2148419A - Irrigation water distributor : en
  • AT155618B - Process for the production of elastic, impregnated fabrics. : de en
  • AT155577B - Spring device for vibrating machine parts. : de en
  • US2147646A - Beverage brewing device : en
  • US2147813A - High frequency receiver : en
  • US2147878A - Spiral conveyer : en
  • US2148302A - Temperature compensated inductance coil : en
  • DE671999C - Process for the production of oxalic acid : de en
  • DE672118C - Process for smoldering fine-grained bituminous fuels : de en
  • AU106615B2 - Improvement in mechanism forand method of determining the plating relations of yarns ina knitted fabric : en
  • US2147726A - Planting mechanism : en
  • US2148193A - Vibrator : en
  • US2148414A - Cooling apparatus : en
  • US2147934A - Concentric multipactor : en
  • US2148271A - Clutch control mechanism : en
  • GB501325A - Process for the hydrogenation of liquid olefine polymers : en
  • FR837993A - Switching device, in particular for devices recording sound-visual films : en fr
  • FR838022A - Improvements to cameras : en fr
  • US2147667A - Prefabricated building : en
  • US2148382A - Sanitary receptacle for crackers and the like : en
  • US2147910A - Hook and fastener for curtains, draperies, and the like : en
  • US2148183A - Cuff link : en
  • AT155594B - Drive for blown air valves of compressed gas switches. : de en
  • US2147874A - Elastic fluid turbine : en
  • US2148225A - Sound record disk : en
  • AU57938A - Improvements in or relating to electric filters : en
  • CA379668A - Vehicle wheel : en fr
  • US2147725A - Trimming mechanism : en
  • US2147962A - Rate of climb indicator : en
  • US2148204A - Heating apparatus : en
  • AU106598B2 - Improvements in or relating to phase adjusting devices : en
  • FR838010A - Process for preparing carbon compounds relatively poor in hydrogen : en fr
  • US2147670A - Method and apparatus for treating and utilizing exhaust gases of internal combustionengines : en
  • US2147982A - Directional traffic indicating device : en
  • AU106626B2 - Eddy-current coin-tester : en
  • US2147746A - System for balancing an impedance network : en
  • AU106591B2 - Radiogoniometer with direct and instantaneous reading : en
  • US2147634A - Method of and apparatus for handling loose material : en
  • US2148259A - Game : en
  • US2148263A - Safety clasp for wrist-watch straps : en
  • US2148064A - High voltage generator : en
  • USD113394S - Design for a stopper top : en
  • US2147819A - Piston for internal combustion motors : en
  • US2148072A - Tool mechanism for gear cutting machines : en
  • AU106593B2 - Emulsion for coatings, impregnations and packings : en
  • AU106605B2 - Improvements in the manner of temperature regulation in the treatment of distillable carbonaceous materials with hydro genating gases : en
  • US2148311A - Mowing machine : en
  • US2148345A - Preparation of metallic titanium : en
  • US2147855A - Ventilation control means for motor vehicles : en
  • US2147945A - Control device : en
  • US2148097A - Dice cup : en
  • GB501111A - Improvements in and relating to electric lamps and in methods of manufacturing the same : en
  • US2147845A - Leakless spigot valve : en
  • US2147848A - Arc rupturing device for electric safety fuses : en
  • CA379710A - Pressure equalizing valve : en fr
  • AU76538A - Improvement ingolf balland method of making thesame : en
  • CA379671A - Electric welding apparatus : en fr
  • US2147757A - Coated materials and process of making same : en
  • US2147893A - Grinding machine : en
  • US2148119A - Device for obtaining objective evidence from a moving vehicle : en
  • US2148186A - Finger guard : en
  • AT155590B - Dry plate rectifier. : de en
  • FR837701A - Process for preparing vinyl chloride : en fr
  • US2147909A - Aligner : en
  • US2147677A - Method of deaerating liquids : en
  • US2147978A - Hair curler and bobbie pin holder : en
  • AT155635B - Cone crusher. : de en
  • CA379670A - Wheel rim manufacturing apparatus : en fr
  • US2147958A - Foldable chair : en
  • US2148308A - Forward-tilting cab : en
  • US2147903A - Door latch construction : en
  • US2147913A - Two-piece arch support : en
  • US2148065A - Reel support : en
  • USRE21008E - Earth scraper : en
  • FR837743A - Device for fine aeration of liquids, especially in fermentation tanks : en fr
  • GB501113A - Ironing and pressing machine : en
  • CA379652A - Ticket machine test equipment : en fr
  • US2148075A - Liquid level indicating device : en
  • DK55857C - Apparatus for Smoking Meat, Sausage and Fish Products. : da en
  • FR837832A - Enhancements to high vacuum pumps : en fr
  • FR838006A - Elastic suspension, in particular for motor vehicles : en fr
  • GB501295A - Improvements in, and in the manufacture of, material for surfacing hard tennis courts and like purposes : en
  • FR837797A - Device for locating the position of a movable member by an electric finder contact : en fr
  • GB501399A - Improvements in or relating to absorption refrigerating apparatus : en
  • US2148071A - Charge forming device : en
  • US2148066A - Device for applying dental floss : en
  • USD113379S - Design fob a piano case : en
  • FR837982A - Electric discharge tube : en fr
  • DE672135C - Process for the preparation of stilbene azo dyes : de en
  • AU106611B2 - Improvement ingolf balland method of making thesame : en
  • US2148031A - Carroting process : en
  • USD113416S - Design fob a bottle : en
  • DE668798C - Device for switching on the drive of teletyping machines : de en
  • GB501094A - : en
  • FR837944A - Automotive headlight enhancements : en fr
  • GB501159A - Improvements in or relating to pavement breaking equipment : en
  • GB501205A - Improvements relating to water waste preventors : en
  • DE672139C - Casting mold for the production of dense blocks and similar workpieces from aluminum and magnesium alloys : de en
  • FR837983A - Power transmission for motor cars : en fr
  • DE672056C - Blade carrier for non-opposed, radially loaded turbines : de en
  • FR838031A - Impact wrench : en fr
  • GB501202A - Improvements in or connected with economisers or feed water heaters for steam boilers : en
  • DE672159C - Cutting device on pliers-like locking tools for iron strapping of packages : de en
  • DE672071C - Fuse : de en
  • IE15434L - Cooling rear-engine motor vehicles : en
  • FR837784A - Photographic light meter incorporating a comparison light source : en fr
  • GB501410A - Improvements in or relating to the thermal generation of electric current : en
  • FR837746A - Apparatus, such as a t.s.f. receiver, for transforming acoustically modulated oscillations into sound vibrations : en fr
  • GB501168A - Improvements relating to blinds or sunshades for windows and the like : en
  • GB501187A - Method of applying seating surfaces of valves for internal combustion engines : en
  • DE672098C - Process for increasing the initial strength of mortar and concrete made from high-alumina cement : de en
  • DE672117C - Device for heating, in particular for smoldering fuels by means of purge gases : de en
  • FR837799A - Bottom-loading fireplace boiler enhancements : en fr
  • FR838048A - Method of assembling by welding one or more thin sheet or thin sheet strips and a metal support : en fr
  • FR837962A - Improvements to steam heating systems : en fr
  • FR838020A - Improvements to rotating devices such as screens, locomotive fans : en fr
  • GB500979A - Improvements in or relating to the manufacture of synthetic lubricating oils : en
  • FR837776A - Method and device for bending bar irons : en fr
  • FR837827A - Spring-loaded crutch for airplanes : en fr
  • GB501257A - Improvements in and connected with the cooling of internal combustion engines : en
  • GB501146A - Improvements in and relating to hydraulically operated cross-cut saws : en
  • GB501112A - Improvements in and relating to fastening devices : en
  • GB501151A - Improvements in or relating to riding stirrups : en
  • DE672094C - Magazine holder for firearms : de en
  • DE672034C - Cold cuts cutting machine with pendulum suspended cutting table : de en
  • GB501095A - Improvements in valves for pneumatic tubes of bicycles and the like : en
  • FR837855A - Sulfonic acids of aromatic sulfohalides and their production process : en fr
  • FR837809A - Improvements made to film reels : en fr
  • FR837937A - Concrete pipe : en fr
  • FR838012A - Electric synchronous transmission : en fr
  • GB501096A - Improvements relating to relaxation oscillation generators : en
  • CA379694A - Trolley system : en fr
  • IE15564L - Absorptio refrigerating apparatus : en
  • GB500971A - Improvements in arrangements for limiting the calling possibilities of impulse transmitters in automatic telephone exchange systems : en
  • FR837867A - Oscillating armature electromagnetic control device, in particular for advertising devices : en fr
  • AU106601B2 - Improvements in or relating to mounting means for electrical switches andother electric appliances : en
  • FR837940A - Improvements to the finishing of boxes such as cigar boxes : en fr
  • FR838038A - Phonographic record : en fr
  • FR837861A - Process for tanning leathers : en fr
  • USD113411S - Design for a display stand : en
  • US2148178A - Emulsifier : en
  • US2148103A - Preparation of isophorones : en
  • US2148229A - Brake tester and weighing means : en
  • US2147780A - Production of hydrogen : en
  • US2147788A - Ebullition-type cooler : en
  • US2148092A - Reference device : en
  • FR837884A - Improvements to power supply arrangements for telephone systems : en fr
  • US2147914A - Lamp lens : en
  • USD113418S - Design for a premium sup container : en
  • AT155587B - Relay-free automatic voltage regulator. : de en
  • US2148408A - Switch : en
  • US2147950A - Nut fastener and installation : en
  • US2147800A - Work holder : en
  • US2148371A - Rack for storage battery plates and other objects : en
  • GB501343A - Improvements in starting devices for compression ignition engines : en
  • US2147942A - Method for determining directional orientation of materials : en
  • FR837915A - Illuminated glass by indirect lighting : en fr
  • DE672201C - Process for the heat treatment of aluminum and aluminum alloys : de en
  • DE672262C - Inclination lever letter scale : de en
  • US2148297A - Electric braking system : en
  • US2148352A - Power transmission apparatus : en
  • FR837973A - Flash light, especially for photography : en fr
  • GB501307A - Improvements in scent bottles : en
  • AU106592B2 - A packing container : en
  • DE672206C - Gear for the binding device of binding mowers : de en
  • FR838018A - Anti-theft warning strike adapting to all locks against burglary, picking and opening by stolen key : en fr
  • FR837868A - Device applicable to electrical appliances making them explosion-proof, switches and lockable : en fr
  • FR838001A - Gain control circuits : en fr
  • FR837831A - Dental prosthesis parts : en fr
  • GB501258A - Coil-protecting system for indicating leakages between windings or to earth : en
  • GB501434A - Weft bobbin change device, for multi-colour automatic looms with stationary bobbin magazines : en
  • GB501732A - Cosmetic preparation : en
  • DE672148C - Adjustable valve lifters, especially for internal combustion engines : de en
  • FR837704A - High value fixed electrical resistors and method of manufacturing such resistors : en fr
  • GB500951A - Improvements in agricultural implements for distributing chemical manure and small seeds : en
  • GB501216A - Improvements in or relating to the purification of rubber : en
  • FR837991A - Aerial toy that can be used for advertising : en fr
  • FR837895A - Device for burning pitch in fireplaces : en fr
  • GB501161A - Improvements in or relating to apparatus for supporting engines : en
  • USD113431S - Design for a cigarette dispenser : en
  • FR837974A - Improvements in the preparation of coating products : en fr
  • FR837917A - Signaling system : en fr
  • DE672127C - Multipole electrical rotary switch : de en
  • GB501037A - Improvements in and relating to bolts and nut connections : en
  • GB501182A - Improvements in or relating to regulable reactance transformers : en
  • DE672178C - Lamp housings, especially for street lighting : de en
  • DE672268C - Process for the production of opaque, enamel-like protective layers on aluminum and its alloys : de en
  • DE672082C - Charging scales, especially for liquids : de en
  • FR837755A - Derailleur refinements : en fr
  • GB501260A - Improvements in or relating to sheet metal vehicle doors : en
  • GB501289A - Improvements in and relating to drain valves for domestic hot water cylinders, gas-fired boilers and the like : en
  • DE672278C - Steel conveyor belt : de en
  • US2147799A - Gutter mounting device : en
  • US2147937A - Meter : en
  • GB501269A - Method of and apparatus for preventing damage to cargo in cargo compartments : en
  • FR837984A - Water resistant paper paths and everyday items that can be made with these paper paths : en fr
  • GB501403A - Improvements in or relating to laundry or garment presses : en
  • FR837786A - End cap for gas mask : en fr
  • FR837838A - Folding frame for umbrella or the like : en fr
  • DE672218C - Resilient belt support roller for belt conveyor : de en
  • GB500972A - Improvements in or relating to temperature control systems : en
  • FR837762A - Remote transmission device, especially for a gyroscope indicating the vertical : en fr
  • GB501150A - Improvements in water and other taps and fittings having a swivelling spout : en
  • FR837780A - Improvements to variable speed transmissions by planetary gears : en fr
  • FR837862A - Process for preparing water-soluble basic aluminum compounds : en fr
  • FR837957A - Instant vaporization process, without boiler or fuel supply, to produce motive power : en fr
  • FR837766A - Improvements to dummy cardboard boxes for the presentation of objects : en fr
  • US2147682A - Cylindrical brush for cleaning tubes and the like : en
  • US2147847A - Electrical connection for electric signs : en
  • US2148134A - Azo dyes : en
  • DE672110C - Insect control : de en
  • CA379688A - Filament, yarn or thread manufacture : en fr
  • US2148356A - Method for producing carbon black : en
  • USD113470S - Design for a ijpstick case : en
  • US2148387A - Manifolding : en
  • USD113388S - Design for a textile fabric : en
  • US2147712A - Wave filter : en
  • AT155650B - Conveyor, especially pneumatic tube system with several sections. : de en
  • DE672189C - Gas generators, especially for vehicles, with an ascending train for gasifying low-tar fuels : de en
  • CA379657A - Recirculating water-jacket : en fr
  • US2147632A - Packaging and package-making machine : en
  • US2147706A - Wire connector : en
  • US2147786A - Apparatus for treating mineral oils : en
  • US2147881A - Control apparatus : en
  • CA379667A - Mattress or cushion : en fr
  • USD113445S - Design fob a glass bottle ob similar : en
  • CA379659A - Pickled hair felting process : en fr
  • US2147898A - Folding box : en
  • USD113429S - Design for a beauty mask : en
  • US2147885A - Automatic machine feed mechanism : en
  • US2148199A - Mechanic's creeper : en
  • CA379654A - Bathtub : en fr
  • DK55847C - Water or steam boiler of steel plates for central heating systems. : da en
  • FR837971A - High purity crystalline hydrate dextrose manufacturing process : en fr
  • FR837890A - Double tower layout to reproduce according to a template : en fr
  • GB501076A - Improvements in and relating to boxes for cigarettes and the like : en
  • US2148228A - Electrode : en
  • AT155600B - Electric self-switch with toggle switch and a thermal self-release element. : de en
  • AU106583B2 - Improvements in electric water heaters : en
  • US2147814A - Antenna structure : en
  • US2147960A - Method of making food products : en
  • AU106604B2 - Improvement in cyanidation method and apparatus : en
  • USD113436S - Design for a slider body for slide : en
  • DK55858C - Combined Plate Type Heat Exchanger and Pipe Pasteurizer. : da en
  • US2147854A - Fluid circulating system : en
  • USD113461S - Design for a combined shaving mug : en
  • DE672131C - Low power cartridge fuse : de en
  • FR837767A - Devices for facilitating the starting of moving parts of mechanisms, particularly applicable to measuring devices : en fr
  • US2147852A - Grain slicing machine : en
  • US2147908A - Belt conveyer : en
  • US2148317A - Salting apparatus for refrigerating cars or the like : en
  • US2148172A - Display apparatus : en
  • US2147989A - Fuel injection apparatus for internal combustion engines : en
  • US2147689A - Method and apparatus for heating dielectric materials : en
  • US2147824A - Electrical insulating material : en
  • AT155626B - Process for the preparation of pregnene (4) dione (3.20). : de en
  • US2147758A - Universal bottle cover device : en
  • US2147671A - Centrifugal gas separator : en
  • AU48638A - Improvements in or relating to thermionic valves : en
  • US2147702A - Composition of matter and use of same in preparation of cellulosic articles : en
  • US2148040A - Method of manufacturing composite materials and shaped bodies thereof : en
  • US2148265A - Carburetor and priming device : en
  • USD113426S - Design fob a bedspread : en
  • US2147710A - Call transmitter : en
  • US2148083A - Electric iron : en
  • US2148409A - Card selecting, separating, and presenting device : en
  • US2147777A - Motor vehicle power transmitting unit : en
  • US2148138A - Process of making metal alkyls : en
  • US2148184A - Cotton conditioning apparatus : en
  • USD113374S - Design fob a lace : en
  • US2148400A - Grinding wheel : en
  • US2147801A - Blower valve : en
  • US2148126A - Collar : en
  • IE15640L - Moistening tobacco and like porous products. : en
  • FR837711A - Acoustic signal : en fr
  • US2148208A - Furniture clamp : en
  • US2148291A - Coin testing device : en
  • AU56838A - Starting device for internal combustion engines using heavy fuel : en
  • CA379682A - Rubber-covered roll : en fr
  • US2148286A - Shaving cream : en
  • US2147792A - Filter : en
  • GB501274A - Improvements in or relating to washer boxes for treating coal or other granular material : en
  • GB501512A - Improvements relating to automatic steering systems for dirigible craft : en
  • DE671903C - Process for the preparation of trifluoromethylbenzenesulfonic acids : de en
  • GB501204A - Improvements in paper makers dryer felts : en
  • FR837904A - Apparatus for performing chemical reactions : en fr
  • US2147953A - Switch device for spotlights : en
  • USD113453S - Design for a direction signal switch : en
  • USD113455S - Design fob a dress : en
  • FR837860A - Improvements to electronic analysis devices in television : en fr
  • GB501184A - Guide member for rod guides of tube rolling mills : en
  • FR837821A - Liquid operated nipple nozzle for combustion injection engines : en fr
  • DE672294C - Automatic control, especially for aircraft : de en
  • USD113376S - Design for a lace : en
  • GB501044A - Improvements in and relating to elastic couplings for transmitting rotary motion : en
  • US2147941A - Timing mechanism : en
  • US2148305A - Throttle controlling mechanism : en
  • USD113469S - Design for an abbreviated shirt : en
  • US2147784A - Window sash : en
  • US2148217A - Ink ribbon mechanism for typewriters and like machines : en
  • DE672258C - Suspension of an upholstered chair, armchair or the like. : de en
  • US2147975A - Traveling grate for flue-tube boilers : en
  • US2147844A - Copper base alloy : en
  • US2148314A - Electric lamp : en
  • DE672214C - Device for regulating the air supply in water-filled torpedo exhaust tubes : de en
  • AU256038A - Process and apparatus forthe continuous distillation and rectification of liquids : en
  • GB501093A - Improvements in or relating to handles for mattresses : en
  • GB501582A - Improvements in and relating to the production of beryllium alloys : en
  • AT155609B - Method and device for determining the tear strength and the resistance of fabric materials to wear. : de en
  • FR837730A - Retractable landing gear especially for flying machines with relatively high wings : en fr
  • FR837781A - Toy : en fr
  • AT155583B - Transformer with windings protected against overvoltages. : de en
  • USD113473S - Design for a dress : en
  • FR837842A - Turbo-fan-diffuser for ceiling : en fr
  • GB501314A - Improvements in or relating to grinding or milling machines for generating bevel gears : en
  • GB501054A - Improvements in or relating to automatically operated variable pitch air propellers : en
  • GB501178A - Improvement in gas supply apparatus for the chlorination or similar treatment of liquids and gases : en
  • US2148044A - Supervisory control system : en
  • DK55855C - Shut-off valve with conical Shut-off body. : da en
  • FR837896A - Hard metal compositions for tools and instruments : en fr
  • GB501262A - Improvements in or relating to buckles : en
  • GB501340A - Method of and apparatus for hardening the surface of narrow metallic bodies such as rails : en
  • GB501250A - Ironing device : en
  • US2147850A - Gas pressure regulator : en
  • FR837759A - Improvements to the folding construction elements of aircraft : en fr
  • GB501039A - Process and apparatus for the non-separable fusion of metals and alloys : en
  • GB501229A - A process for the production of the formaldehyde-sulphoxylate derivative of dihydroxydiaminoarsenobenzene base : en
  • GB501084A - Improvements relating to gas flow controlling apparatus : en
  • US2147733A - Driving mechanism : en
  • US2148008A - Door structure : en
  • FR837756A - Method and installation of telegraphy and multiplex telephony, in particular for very short waves : en fr
  • FR837857A - Process and apparatus for the manufacture of electric lamps and similar articles : en fr
  • DE672243C - Device for temperature-dependent switching of electrical circuits : de en
  • GB501045A - Improvements in or relating to boost controls for internal combustion engines : en
  • GB501176A - Improvements in or relating to the filtration of fluids : en
  • FR837924A - Improvement to two-color ribbons for typewriters and resulting product : en fr
  • FR837788A - Heavy fuel burner : en fr
  • GB501225A - Improvements in or relating to carton containers : en
  • DE672072C - Winding for multi-phase alternating current machines : de en
  • US2148168A - Spark arrester : en
  • FR837947A - Rim edge trim circle : en fr
  • DE672252C - Orthopedic footrest : de en
  • FR837807A - Improvements to calendars, especially of the ephemeris genre : en fr
  • FR838040A - Industrial application of the extraction of oxygen from the air obtained by the passage of air through a rubber wall or membrane under the influence of vacuum : en fr
  • DE672128C - Encapsulated switchgear for high-voltage switchgear with busbars inside the device : de en
  • FR837909A - Improvement provided in the establishment of trousers and in particular sports trousers : en fr
  • GB501286A - Improvements relating to piston packing rings and methods of making the same : en
  • CA379693A - Trolley system : en fr
  • GB501402A - Improvements in or relating to ventilators : en
  • DE672284C - Device for either dropping the dredged material in conveyor wagons or on conveyor belts in composite excavators : de en
  • US2148298A - Continuous production of water gas : en
  • US2148378A - Catalysts : en
  • US2148373A - Retractable core barrel : en
  • CA379717A - Hydraulic jack : en fr
  • GB501162A - Improvements in and relating to oven heating units : en
  • US2147723A - Process for purifying oils : en
  • US2147822A - Process and mechanism for separating intermixed divided materials : en
  • US2147863A - Roof construction : en
  • US2148157A - Manicure implement : en
  • FR837892A - Improvements relating to fittings for metal pipes : en fr
  • FR837916A - Method of controlling and compensating for variations in an electrical characteristic : en fr
  • GB501293A - Improvements in and relating to photographic cameras : en
  • US2148115A - Olefin polymerization : en
  • US2148391A - Apparatus for treating metals : en
  • DE672164C - Electrical overcurrent switch, especially with toggle switch : de en
  • GB501266A - Improvements in and relating to the nozzle bodies of turbines : en
  • USD113439S - Design fob a shower head : en
  • US2148240A - Brake : en
  • AU106616B2 - Process and apparatus forthe continuous distillation and rectification of liquids : en
  • CA379643A - Washing machine : en fr
  • FR837829A - Control device for compressor installations, in particular for compression refrigeration installations : en fr
  • GB501303A - Improvements in chairs : en
  • FR837718A - New underground room for mushroom cultivation : en fr
  • FR837960A - Complete parachute : en fr
  • GB501249A - Discharging device for continuously operating shaft furnaces for burning and roasting : en
  • AT155580B - Device for converting electrical currents. : de en
  • AT155593B - Heat-resistant and tight insulating bushing. : de en
  • AU82838A - Improvements in or relating to machines for manufacturing record cards : en
  • AU106607B2 - Improved electrically operated means for moving windows andthe like : en
  • FR837877A - Process for reversing the degree of blackening of positive or negative films : en fr
  • FR838028A - Suspended file for filing papers : en fr
  • US2148211A - Ornamental disk structure : en
  • US2148215A - Hurricane lantern : en
  • AT155632B - Process for the production of water gas. : de en
  • US2148393A - Hair-dressing tool : en
  • GB501311A - Improvements in vehicle brakes : en
  • US2148121A - Arch supporting siphon : en
  • US2148154A - Necktie with fitting gauge : en
  • USD113472S - Design for a box or similar : en
  • DE672266C - Device for achieving a steady pointer position on eddy current measuring devices, in particular on eddy current speed meters : de en
  • US2147997A - Compound firing for gas-heated zone thrust furnaces : en
  • US2148005A - Railway signaling : en
  • US2147816A - Joint structure : en
  • USRE21009E - Bogie construction : en
  • GB501226A - Improvements in or relating to metering apparatus for distributing measured quantities of fluids : en
  • CA379721A - Weed exterminator : en fr
  • FR837847A - Auxiliary agents for printing : en fr
  • FR837976A - Advanced centrifugal tachometer : en fr
  • GB501255A - Improvements in or relating to garment protectors : en
  • GR8008B - HYGIENE TOBACCO PIPE. : el en
  • US2147690A - Telegraph repeater : en
  • US2147916A - Door lock and latch for closures : en
  • US2148200A - Pants hanger : en
  • USD113389S - Design fob a shoe : en
  • US2147832A - Angular driving mechanism : en
  • US2148375A - Cloth laying machine : en
  • US2147683A - Printing and means employed therefor : en
  • US2147765A - Guard : en
  • US2147954A - Coin delivery apparatus : en
  • US2148023A - Photoelectric amplifier : en
  • DE672119C - Method and device for cooling lignite and similar loose material by ventilation : de en
  • DK55850C - Tier transfer device for cash registers and calculators. : da en
  • AU50138A - Emulsion for coatings, impregnations and packings : en
  • AT155601B - Sealing device for thin cable sheaths. : de en
  • GB501085A - Improvements in or connected with smokers' ash trays and other articles adapted to rest on chair arms or other supports : en
  • US2147892A - Expansible building structure : en
  • DE672181C - Equipment on belt or chain conveyors for ventilation cooling of the conveyed goods : de en
  • DE672210C - Process for the production of a whippable food and beverage : de en
  • FR837735A - Multiple-scale measurement indicators and indexes of variable apparent dimensions according to the value of the quantity measured : en fr
  • GB501066A - Improvements in or relating to the cutting of sheet materiel : en
  • US2147676A - Box corner construction : en
  • CA379697A - Water lift for gas wells : en fr
  • US2148309A - Mining cutter : en
  • AT155613B - Method of making an elastic fabric. : de en
  • US2148109A - Method and apparatus for handling gas material : en
  • US2148141A - Storing and dispensing : en
  • US2148165A - Ultra high frequency transmitter : en
  • GB501646A - Improvements in or relating to cellulose nitrate coating compositions : en
  • FR837725A - Insulated conductor by means of air gaps, and intended for high frequency cables : en fr
  • GB501078A - Improvements in or connected with folding hoods for motor and other vehicles : en
  • GB501230A - Improvements in cleaning machines for small elements or parts : en
  • US2147931A - Method of making inkstands : en
  • US2148013A - Stress meter : en
  • DE672217C - Fishing line packaging : de en
  • GB501136A - Improvements in or relating to shoe bottom pressing machines : en
  • GB501275A - Improvements in or relating to forced flow water tube steam generators : en
  • GB501179A - Cathode ray device : en
  • GB501341A - Improvements in or relating to the manufacture of aminoanthraquinones : en
  • CA379713A - Gas furnace : en fr
  • US2147812A - Secret sounder : en
  • US2147880A - Mold for casting crankshafts : en
  • DE672113C - Airplane with brakable landing gear wheels : de en
  • AT155622B - Method and device for removing non-cellulose components such as pectin and lignin from raw green bast fibers. : de en
  • GB501256A - Improvements in coin inlet mechanism for use on prepayment meters for operation by coins of different values : en
  • DK55840C - Process for the Preparation of β- (p-Oxyphenyl) -isopropylmethylamine. : da en
  • GB501148A - Improvements in work benches combined with gravity conveyors and the like : en
  • GB501312A - Improvements in hydraulic operating systems : en
  • FR837763A - Shrinking machine with motor piston and pivoting keys, applicable in particular to the belting of shells : en fr
  • US2147984A - Air valve : en
  • DE669997C - Process for the production of security paper : de en
  • DE672162C - Evaporator with upright heating element and laterally arranged separator : de en
  • DE672104C - Procedure for determining the location or direction of vehicles : de en
  • DK55835C - Punching Machine for Making Bottle Capsules. : da en
  • US2147957A - Eye testing instrument : en
  • US2148246A - Tire inflating and brake operating mechanism : en
  • USD113478S - Design for a : en
  • GB500997A - Improvements in and relating to india-rubber hose : en
  • US2147856A - Bag manufacture : en
  • DE672177C - Artificial fur : de en
  • US2147643A - System for geological explorations : en
  • FR837965A - Detonation resistant fuels : en fr
  • GB501138A - Improvements in or relating to gas-dispensing apparatus, especially for aircraft : en
  • GB501322A - Mould carrier in machines for die casting metal under pressure : en
  • AU116238A - Improvements in or relating to suction cleaning machines : en
  • CA379701A - Motion transforming mechanism : en fr
  • GB500984A - Improvements relating to flooring cramps : en
  • GB501031A - Method of manufacturing a supertransparent, flexible, nonbreakable and non-inflammable product : en
  • GB501051A - Improvements in or relating to aerial systems for radio receivers : en
  • DE672199C - Burner device with water jacket and water tank for gas stoves : de en
  • DE672254C - Curved after-tube : de en
  • GB501169A - Improvements in or relating to the polymerisation of vinylidene chloride : en
  • US2148158A - Car door lock : en
  • US2148239A - Window platform : en
  • US2147654A - Airship : en
  • US2148036A - Standard adapter joint for connecting tubing : en
  • DE671930C - Machine for bending pieces of leather, especially shoe soles : de en
  • DE672182C - Attachment of free in the discharge space of large metal vapor rectifiers, especially mercury vapor rectifiers for portable systems, such as vehicles and. Like., protruding internals : de en
  • DE672193C - Closure for handbags, market bags and other pocket-like containers : de en
  • FR837955A - Electro-dynamic pressure frictionless contact : en fr
  • US2148026A - Tape serving machine : en
  • US2148133A - Molded carbon electrode and method of preparing the same : en
  • USRE21005E - Automatic stopping elevator con : en
  • CA379651A - Baking assembly : en fr
  • CA379676A - Pulpstone : en fr
  • CA379658A - Covering material : en fr
  • US2147808A - Antenna : en
  • USD113464S - Design for a dinner dress pajama : en
  • FR837954A - Improvements to electrical transmission systems : en fr
  • US2148205A - Kneading pump : en
  • FR837791A - Method and apparatus for initiating deburring, or peeling, cutting or flame machining, of metal parts : en fr
  • US2147738A - Tape dispensing device : en
  • US2148058A - Lazy board : en
  • US2148153A - Automatic hat finishing machine : en
  • US2147744A - Work support : en
  • US2148237A - Trolley duct gate : en
  • FR837783A - Photo-electric light meter for cameras and cameras fitted with this light meter : en fr
  • US2147719A - Vehicle radiator : en
  • GB501291A - Alloys : en
  • DE672064C - Stranding machine for telecommunication cables : de en
  • US2148212A - Process of making wheel disks : en
  • FR837928A - Further training in cinematographic film machines : en fr
  • FR837938A - Device for measuring and integrating variable electric currents : en fr
  • GB501195A - Improvements in or relating to electric circuit breakers : en
  • FR837830A - Improvements in the construction or formation of heat exchanger elements of the assembled or plate type : en fr
  • FR837913A - Improvements to devices for clamping sheet metal parts to facilitate riveting or similar operations : en fr
  • FR837749A - Method of measuring gravity or its changes : en fr
  • FR837893A - Process for aurifying grids for electric discharge tubes : en fr
  • GB501329A - Improvements in and connected with reversing mechanism for internal combustion engines : en
  • GB500990A - Improvements in and relating to governing mechanism for elastic fluid turbines : en
  • US2147661A - Method of making ornamental disk structures : en
  • US2148144A - Bearing : en
  • US2148260A - Three-dimensional projection system : en
  • GB501101A - Device for driving reciprocating bobbin carriages on drawing machines, such as used in the preparation of worsted for spinning : en
  • US2147650A - Heat treating furnace : en
  • US2147998A - Adjustable drape rod : en
  • US2148248A - Mechanism for feeding and cutting sheet metal : en
  • US2148358A - Process for the production of magnesium : en
  • USD113479S - Design for a spoon or analogous : en
  • US2148001A - Strainer for wells : en
  • US2148120A - Wheel dressing device : en
  • DE672073C - Arrangement for rectifier : de en
  • GB501411A - Apparatus for thermal generation of electric current : en
  • CA379672A - Friction shock absorbing mechanism : en fr
  • DE672211C - Security paper : de en
  • FR837770A - Centrifugal force regulator intended in particular for regulating the admission of fuel in internal combustion engines with injection : en fr
  • GB501228A - Improvements in strops : en
  • GB501799A - Agent for the determination of tuberculosis : en
  • SE94749C1 - : en
  • US2148116A - Olefin polymerization : en
  • GB501043A - Improvements in or relating to sound recording : en
  • US2148016A - Apparatus and method for converting starch : en
  • US2148329A - Crankshaft truing tool : en
  • USD113432S - Design for an electric dental : en
  • FR837891A - Motor car brake balancing linkage : en fr
  • GB501306A - Improvements in and relating to straight bar knitting frames : en
  • US2148273A - Hydraulic brake operating means : en
  • US2147743A - Pharmaceutical preparation : en
  • FR837708A - Preserving heater : en fr
  • US2147994A - Machine for withdrawing from a pile, and opening collapsed folding boxes : en
  • US2148084A - Molding apparatus : en
  • US2148182A - Welding electrode : en
  • DE672229C - Circulating scissors driven by a constantly running motor : de en
  • GB501259A - Improved device for the mechanical recording of sound and like oscillations : en
  • DE672180C - Device for ventilation cooling : de en
  • GB501194A - Improvements in or relating to the production and utilisation of antioxidants : en
  • DE672253C - Method and device for the production of castings of bodies or body parts, in particular human feet, with the aid of a flexible mass, which becomes solid after shaping : de en
  • US2147713A - Process of treating oil : en
  • US2147963A - Device for carrying sheets of paper, etc. : en
  • US2148028A - Telegraphic transmitter : en
  • US2148035A - Revolving door : en
  • US2147664A - Yarn winding machine : en
  • GB500986A - Improvements in electric cables : en
  • GB501218A - Improvements in apparatus for the reproduction of sound films : en
  • US2148073A - Hairpin : en
  • GB501121A - Improvements in piezo-electric crystals : en
  • FR837828A - Manufacturing process of moldable materials based on artificial resins containing fillers : en fr
  • US2148009A - Film drying device : en
  • FR837903A - Box making process using a universal automatic machine by folding and gluing boxes : en fr
  • AT155637B - Peeling machine. : de en
  • FR837992A - Cardboard insulation plate : en fr
  • FR837925A - Improvements to the construction of jacks : en fr
  • GB501058A - Improvements in or relating to cathode ray tubes : en
  • GB501188A - Improvements in film-feeding devices for cinematographs : en
  • DE672111C - Device for clarifying the waste water from cellulose, wood pulp, paper and cardboard production : de en
  • DE672197C - Furniture castor : de en
  • FR837996A - Process for manufacturing cellular rubber with communicating pores : en fr
  • DE672156C - Process for pressing and / or drying photographs and other flat objects : de en
  • DE672083C - Electromagnetic method that works with alternating current to determine the size of defects in workpieces : de en
  • DE672107C - Flat weft knitting machine with lower deck device and undivided continuous pressing area : de en
  • DE672227C - Device for bending plywood panels : de en
  • GB501170A - Vehicle spring suspension : en
  • FR837709A - New process for recovering letterpress metal : en fr
  • GB501203A - Improvements in or relating to closure devices for fluid transmission systems : en
  • FR837839A - Application of electrical energy in the form of a jet or stream of liquid to distant or localized points, for agriculture, medicine and defensive applications : en fr
  • GR8018B - ACCELERATION METHOD OF MANUFACTURING COPYING BY A TYPER. : el en
  • US2147948A - Apparatus for the generation of musical tones : en
  • AU119238A - Improvement in cyanidation method and apparatus : en
  • AU49238A - Radiogoniometer with direct and instantaneous reading : en
  • CA379706A - Self-starting synchronous motor : en fr
  • GB500993A - Improvements in and relating to indicators or signalling devices for vehicles : en
  • US2148180A - Treating water for chicks : en
  • DE672233C - Drum fenders : de en
  • US2147877A - Vacuum mechanism for paper making machines : en
  • FR838033A - Device for adapting the tire to the rim of a tire with pneumatic tires for cycles, motorcycles, automobiles, etc. : en fr
  • US2147932A - Brake for vehicles : en
  • GB501282A - Treatment of manure for agricultural purposes : en
  • FR837931A - Device for dressing materials such as, in particular, hard stones, granites or various agglomerates : en fr
  • FR838023A - Electric pocket torch that can be used to check the conductivity of various objects : en fr
  • US2147652A - Nozzle : en
  • US2148143A - Method of keeping baked breadloaves : en
  • US2148374A - Toy : en
  • GB501029A - Improvements in or relating to sheet feeding mechanism for printing machines : en
  • FR838008A - Automatic feeding and gluing device for the manufacture of boxes : en fr
  • DE672015C - Process for the production of double-sided photocell mosaic panels and mosaic panels according to this process : de en
  • FR837813A - Binding : en fr
  • FR837921A - High frequency transmission systems : en fr
  • FR837740A - Roller mill : en fr
  • GB501397A - Improvements in or relating to electrical musical instruments : en
  • FR837998A - Antenna device : en fr
  • US2147647A - Lubricant : en
  • US2147926A - Four-cone bit : en
  • USD113417S - Design for an ashtray : en
  • USD113438S - Design for : en
  • DE652906C - Adhesive plasters made from vinyl and acrylic polymers : de en
  • DE672087C - Mechanical scraper for metal baths for galvanizing u. like : de en
  • US2147796A - Cotton gin : en
  • USD113408S - Design fob a chair back ob similar : en
  • FR837933A - Processes and machines for the continuous manufacture of electric wires and cables : en fr
  • GB501284A - Improvements in or relating to addressing and like series-printing machines : en
  • USD113434S - Design for a glass jar : en
  • USD113459S - Design fob a table desk or similar : en
  • DE672137C - Device intended for foot gymnastics : de en
  • DE671798C - Device for mounting switches in electric heaters, in particular electric stoves : de en
  • FR837879A - Electric discharge tube : en fr
  • FR837985A - Elastic metal washer : en fr
  • GB501285A - Improvements in or relating to electric bushing insulators : en
  • AT155581B - Rectifiers for television receivers. : de en
  • CA379715A - Ink fountain typing machine : en fr
  • DE672235C - Method and device for separating (classifying) granular material in pulp or sludge form : de en
  • FR837792A - Catalyst for the oxidation of olefins : en fr
  • FR837936A - Process, installation and apparatus for laying a coating of cement or similar material on a pipe or other shrink-wrapped part and products obtained : en fr
  • GB501308A - Process of re-melting and refining light-metal scrap : en
  • AT155639B - Ejection device for packs or cans with individual output of cigarettes or other rod-shaped objects. : de en
  • US2148181A - Protecting shield for cooking utensils : en
  • US2148318A - Vehicle roof structure : en
  • AT155630B - Process for the production of condensation products. : de en
  • US2147636A - Alloy : en
  • US2148082A - Inflated ball and lacing therefor : en
  • FR838046A - Adjustable device, applicable to boilers, ovens and generally to all solid fuel fireplaces, in particular wood-burning heaters : en fr
  • GB501143A - Improvements in gas burners : en
  • AT155647B - Mercury switches, especially for crossing signals in railway safety. : de en
  • US2147829A - Driving tool for tubular grounding rods : en
  • US2147837A - Automobile jack : en
  • US2148207A - Game board : en
  • USD113403S - Inyentor : en
  • DE672147C - Bottom trawl without a belly : de en
  • FR838027A - Process for preparing an additive to products or foodstuffs of plant, animal or mineral origin, as well as to beverages and fodder : en fr
  • US2147753A - Production of extracts from solid carbonaceous material : en
  • US2148367A - Dust guard cap for journal boxes : en
  • US2148390A - Clamp nail : en
  • US2148110A - Structural member : en
  • AU50038A - A packing container : en
  • US2148339A - Noncollapsible thread tube or bobbin : en
  • FR837757A - Discharge tube for very high frequencies : en fr
  • FR837790A - Improvements to thermostatic elements : en fr
  • GB501133A - Process for the production of depolarising compositions from hydrated pyrolusite : en
  • USD113396S - Design fob a bath spout : en
  • US2148069A - Dyeing apparatus : en
  • IE15562L - Producing motor fuels;catalytic polymerisation : en
  • US2148370A - Rod weeder chain tightener : en
  • US2147992A - Unloader : en
  • GB501196A - Process for the manufacture of acids of the cyclopentano-polyhydrophenanthrene series and their derivatives : en
  • FR837856A - Advanced hinge mechanism, for moving control surfaces in aircraft : en fr
  • GB501281A - Improvements in or connected with the construction of wings for aircraft : en
  • US2148313A - Combined reduction and reversing gearing : en
  • USD113475S - Design fob a dress : en
  • US2148282A - Rotary compressor-motor : en
  • AT155611B - Process and machine for the production of welded wire nets by means of electrical resistance welding. : de en
  • DE672070C - Procedure to prevent frequency schedule deviations : de en
  • FR837968A - Face mask : en fr
  • FR838003A - Improvements to printing machines : en fr
  • US2147981A - Portable electrically heated tool : en
  • GB500983A - Improvements in or relating to sheaves or sprockets for chains : en
  • FR837873A - Improvements made to breeding or acclimatization devices, in particular cradles : en fr
  • GB501221A - Improvements relating to the sheathing of electric cables : en
  • US2147836A - Apparatus for making blocks : en
  • US2148173A - Connector with sheet metal jaws : en
  • DE672033C - Means for recording the photographic recordings underlying conditions : de en
  • GB501116A - A combined gas cooker and gas refrigerator : en
  • FR837956A - Improvements to circuit breaker mechanisms : en fr
  • FR837723A - Gasifier for fueling combustion engines on vehicles : en fr
  • FR838025A - Automatically Controlled Gear Shifts For Motor Cars : en fr
  • FR838039A - Lighting method and device giving the exact value of the colors : en fr
  • GB501432A - Improvements in or relating to electric induction motors : en
  • FR837777A - Process for producing tough surface layers with high chromium content using gaseous chromium carriers : en fr
  • GB501263A - Improvements in or relating to semi-stiff collars or cuffs : en