• US1941810A - Curtain stretcher : en
  • US1941993A - Propelling mechanism for tube forming machines : en
  • CA338257A - Solid material coating apparatus : en fr
  • US1942313A - Pressure relieving check valve for flow lines : en
  • US1941898A - Spraying device : en
  • USD91293S - Design for a textile fabric or : en
  • US1941484A - Apparatus for bending or creasing cardboard, fiber board, or the like : en
  • US1941501A - Grinding and polishing machine for cutting tools : en
  • US1941643A - Direct current transformer system : en
  • US1941953A - Process and machine for manufacturing tubes : en
  • US1941480A - Steam boiler and mercury condenser : en
  • US1941651A - Fluid compressor : en
  • DE590520C - Device for sorting fruits : de en
  • US1942167A - Ornamental device for use in association with toy electric railways : en
  • US1941997A - Pry-out for switch boxes and the like : en
  • US1942352A - Welding torch : en
  • US1941523A - Film reel and support therefor : en
  • US1942267A - Device for sorting articles or packages into groups of various weights : en
  • US1942338A - Traction belt : en
  • US1942162A - Heat insulation : en
  • US1942366A - Casing head equipment : en
  • DE590444C - Process for the treatment of metals, especially iron alloys, in the liquid state for the purpose of producing porous castings : de en
  • US1941979A - Ticket holder : en
  • DK48233C - Procedure for the manufacture of rubber footwear and the like. : da en
  • DE590433C - Process for the production of formaldehyde : de en
  • US1941946A - Lubricating of axle bearings for rail vehicles : en
  • US1942139A - Molecular vacuum pump : en
  • FR757757A - Nail polishers refinements : en fr
  • DE590570C - Device for holding the colliding or colliding parts in the mine : de en
  • GB403922A - Improvements in and relating to rectifier systems for alternating currents : en
  • GB403930A - Mechanical-hydraulic speed gear with continuous automatic or regulated variations of the gear ratio : en
  • DE590331C - Two-stroke internal combustion engine : de en
  • DE590480C - Security stitching for newspapers and magazines : de en
  • GB403912A - Improvements in spring suspensions for lorries and the like : en
  • DE590290C - Device and circuit arrangement for signaling systems, in particular guard control systems : de en
  • FR757853A - Cornet or bag for goods : en fr
  • DE590584C - Device for bending and hardening leaf springs : de en
  • CA338271A - Container evacuator : en fr
  • CA338270A - Fabricated wood block : en fr
  • US1941661A - Electron discharge device : en
  • US1941724A - Winding machine : en
  • US1941872A - Friction facing : en
  • ES2181U - Overlapping cannons for hunting shotguns united and aligned by means of flat surfaces (Machine-translation by Google Translate, not legally binding) : en es
  • GB403802A - Improved method and apparatus for the removal of dust from articles of clothing : en
  • GB403993A - Sachel for pharmaceutic and like products : en
  • FR757860A - Process for the impregnation of concrete, brick or other construction materials with bitumens liquefied by heating : en fr
  • US1941470A - Lighting fixture : en
  • FR757843A - Folding packing box : en fr
  • US1941899A - Conveyer : en
  • US1942169A - Boiler : en
  • US1941952A - Boom construction : en
  • DE590539C - Device for trimming photographic papers u. like : de en
  • DE590557C - Welded box frame for standing internal combustion engines : de en
  • FR757815A - Improvements to water heaters or steam generators : en fr
  • DE590555C - Process for regulating the calorific value and the density of carbon distillation gases : de en
  • US1942030A - Disk brake : en
  • CA338300A - Humidifier and sterilizer : en fr
  • US1941544A - Folding and wrapping machine : en
  • US1942114A - Lifting apparatus : en
  • US1942240A - Monogram : en
  • US1942330A - Automatic coin-operated liquid measuring and dispensing device : en
  • US1941452A - Sewing machine : en
  • DK48218C - Process for the production of tetrahydrofurfuryl alcohol. : da en
  • ES2186U - Overlapping cannons for hunting shotguns, united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • ES132564A1 - A mechanical billiard. : en es
  • DE590341C - Device for attaching flags to the flagpole : de en
  • FR757851A - Thruster : en fr
  • US1941777A - Indicator map : en
  • GB403916A - Improvements in or relating to steam injectors : en
  • US1942164A - Induction meter : en
  • US1941633A - Marking paper : en
  • US1941634A - Loose leaf book : en
  • ES1763Y - Spigots for kitchens and gas appliances. : en es
  • GB403792A - Improvements in and relating to furnaces : en
  • FR757858A - Reservoir toothbrush using liquid toothpastes : en fr
  • GB403859A - Apparatus for accumulating the blood at a desired point of the human body : en
  • US1941701A - Dynamic flow control method and apparatus : en
  • US1941968A - Method of and apparatus for the treatment and use of liquid fuels : en
  • US1942068A - Sound-controlling device for talking picture apparatus : en
  • US1941495A - Sleeve for printing press paper rolls : en
  • US1941935A - Traction device : en
  • US1941849A - Weighing scale : en
  • DE590395C - Vehicle wheel brake : de en
  • DE590525C - Automatic heat regulator : de en
  • FR42941E - Automatic sensitivity adjustment device for radio receivers : en fr
  • GB403917A - Manufacture of symmetrical di-(arylamino)-hydroxybenzenes : en
  • GB403789A - An improved process for the development of photographic silver salt layers : en
  • US1941815A - Fluid pressure operated device : en
  • US1942150A - Alloy for surgical needles : en
  • US1941646A - Brake shoe : en
  • US1942177A - Process for recovering alkaloids from cocoa products : en
  • US1942195A - Method of distillation of tar : en
  • US1941583A - Power operated shaving apparatus : en
  • US1941682A - Fifth wheel connecter for semitrailers : en
  • US1941851A - Flow valve for oil wells : en
  • US1941901A - Vehicle chair : en
  • US1941912A - Nonslipping surface and method of making the same : en
  • DE590436C - On and off device for the ink application rollers on rotary printing machines : de en
  • GB403913A - Grinding device for raw paper-making materials : en
  • US1942279A - Airplane : en
  • ES131713A3 - A process for the manufacture of pipes for conducting liquid solvents or rubber attackers. : en es
  • ES131734A1 - IMPROVEMENTS IN THE MANUFACTURE OF ADAPTABLE AUTOMATIC FIREARMS TO FIRE MINIATURE CARTRIDGES : en es
  • ES2191U - Optical system window, with two or more lenses, for doors. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590247C - Feedback lock in telephone lines : de en
  • ES2180U - Brooch for stockings and analogues. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757788A - Film reel camera : en fr
  • DE590329C - Measuring device for checking the conicity of collector lamellas while simultaneously checking the flatness of their flanks : de en
  • GB403903A - Improvements in and relating to coal cutting machines : en
  • ES131789A3 - A mechanical illusion toy. : en es
  • DE590607C - Method and device for checking the pitches on toothed wheels : de en
  • ES131618A1 - Improvements in the construction of side tables-cabinets, tables-cabinets and other similar furniture. : en es
  • US1941527A - Air heater : en
  • US1941966A - Cutting, trimming, and ornamenting machine : en
  • US1941982A - Filtering device : en
  • GB403858A - Process of and apparatus for the production of artificial leather and imitation parchment : en
  • FR757899A - Floating signaling post without guard : en fr
  • DE590464C - Sink shoe for sink well : de en
  • FR757837A - Boggies for railway vehicles : en fr
  • GB403920A - Apparatus for winding stepped torsion springs : en
  • DE590459C - Manufacture of sandpaper or the like by applying abrasive grains to a carrier provided with adhesive under the influence of an electric field : de en
  • CA338294A - Rotary engine : en fr
  • US1941502A - Thermostatic switch : en
  • US1941569A - Manufacture of zinc oxide : en
  • US1941663A - Printing machine : en
  • US1942099A - Pipe cutting and beveling apparatus : en
  • DE590412C - Process for the production of a cylindrical, rubber-coated forming roller for printing line sheets and the like. like : de en
  • DE590581C - Process for the preparation of 4-aminodiphenylamine derivatives : de en
  • FR757849A - Improvements to electrical conductors : en fr
  • DE590598C - Sofa bed : de en
  • US1941577A - Hydrocarbon conversion process : en
  • ES132565A1 - Improvements in the revolving beds for cures. : en es
  • US1941521A - Friction spring device : en
  • FR757883A - Improvements in the polishing of hydraulic <<cement>> materials : en fr
  • DE587920C - Device for the automatic planting of plants : de en
  • GB403929A - Improvements relating to cut-off machines : en
  • GB403742A - Improved method of extruding metal articles : en
  • GB403767A - Device for trapping and killing rabbits and other vermin : en
  • GB403970A - An improved form of apparatus for repetition weighing of equal quantities of material : en
  • FR757798A - Control of axially movable work spindles in machine tools : en fr
  • ES132584A3 - Process of manufacturing gelatin sheets with drawings. : en es
  • ES132009A3 - A mechanical counter device combined with a billiard table for the use of the latter during predetermined times, for the introduction of coins. : en es
  • DE590537C - Daylight developing device for roll films : de en
  • ES131899A3 - Improvements introduced in the means to regulate the cooling action in air-cooled engines, particularly in star-shaped ones. : en es
  • US1941893A - Hosiery drying apparatus : en
  • USD91302S - Design for a textile fabric or : en
  • GB403910A - Improvements in and relating to means for attaching cams to shafts : en
  • US1942024A - Electrical interrupter : en
  • GB403723A - Improvements in or relating to the manufacture of laminated non-splintering glass : en
  • DE590399C - Track light projector for motor vehicles : de en
  • US1941967A - Metal floor construction : en
  • FR757767A - New chemicals and their preparation process : en fr
  • FR757833A - Ground connection in particular for accumulator battery of motor vehicles or other applications : en fr
  • US1941519A - Driving means for slicing machine knives : en
  • GB403880A - An improved method and means for banding boxes or similar articles : en
  • US1941890A - Ladder brace : en
  • US1942087A - Steel doorlock : en
  • US1941844A - Ash receiver : en
  • US1941926A - Drainage system and fitting therefor : en
  • US1941970A - Process of neutralization for hydrocarbon oils : en
  • ES2114U - Glasses. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757775A - Process for manufacturing flexible abrasive products, such as sheets, coating composition for said products and products obtained : en fr
  • GB403850A - Improvements in scuttles for ships' hulls : en
  • DE590503C - Ceiling beams : de en
  • US1941580A - Cooker : en
  • US1941786A - Portable hand toothpowder dispenser : en
  • CA338369A - Paper machine suction box : en fr
  • US1941723A - Straight hole drilling device : en
  • US1941910A - Filing device : en
  • FR757781A - Illuminated triangle sign : en fr
  • FR42948E - Diesel-electric locomotive : en fr
  • DE590441C - Insulation arrangement for high voltage conductor supports under OEl : de en
  • DE590334C - Device for regulating the trim angle and increasing the speed of speedboats : de en
  • DE590237C - Process for the preparation of ketones and acid anhydrides : de en
  • DK48214C - Remote notification device when the liquid level in a container drops below a certain limit. : da en
  • GB403972A - Improvements relating to indicators for motor vehicles : en
  • US1942036A - Method of and apparatus for projecting motion pictures accompanied by sound : en
  • US1941464A - Driving mechanism : en
  • FR42905E - Ball joint development : en fr
  • US1942325A - Electric circuit closing attachment for shoe heels : en
  • US1942231A - Automatic reversing mechanism for motion picture apparatus : en
  • USD91306S - Design for a textile fabric or : en
  • GB403951A - A pump with selecting device for liquids : en
  • US1942140A - Attemperator for rotary kilns and the like : en
  • US1942155A - Packing ring and valve for internal combustion engines and the like : en
  • DE590625C - Device for distance measurement according to the echo method : de en
  • US1941511A - Trip coil : en
  • CA338366A - Radio gain control : en fr
  • CA338317A - Resistor unit : en fr
  • US1941955A - Remote transmission and control device : en
  • US1942182A - Motor vehicle : en
  • US1942242A - Spark plug : en
  • DE590385C - Mobile children's play chair : de en
  • US1941835A - Rectangular basket : en
  • US1942336A - Totalizator obds indicator remote : en
  • USD91294S - Design for a textile fabric or : en
  • US1941787A - Draft gear : en
  • US1942159A - Bag folding machine : en
  • US1942282A - Funnel : en
  • DE590637C - Process for the hydrogenation of bases of the pyridine and quinoline series : de en
  • US1941587A - Indirect heat exchanger : en
  • US1942217A - Slip clutch : en
  • US1942209A - Machine tool : en
  • US1941785A - Cushion construction : en
  • US1941883A - Cork sifter : en
  • US1942075A - Charting device : en
  • ES2217U - Composite sole applicable to the mechanical and manual manufacture of footwear. (Machine-translation by Google Translate, not legally binding) : en es
  • US1942079A - System of and apparatus for gunfire control : en
  • USD91265S - Design fob a coffee percolator : en
  • DE590455C - Locking mechanism for motor vehicles that acts in both directions of rotation : de en
  • GB403846A - Improvements in fuel injection pumps for internal combustion engines : en
  • GB403874A - Improvements in and relating to voltage control of electron discharge devices : en
  • US1941478A - Grinding machine : en
  • DE590617C - Automatic fire extinguishing system : de en
  • ES2208U - Improved lunch box. (Machine-translation by Google Translate, not legally binding) : en es
  • ES2184U - Overlapping cannons for hunting shotguns united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403952A - Improvements in and relating to reflecting signs for roads and streets : en
  • CA338308A - Propeller and shaft coupler : en fr
  • GB403728A - Improvements in or relating to governors for internal combustion engines : en
  • US1941499A - Continuous automatically controlled absorption system : en
  • US1941664A - Composition and material comprising cellulose esters or ethers : en
  • US1941709A - Method of coating and product thereof : en
  • DE590567C - Setting machine with discharge control by a scanning device : de en
  • ES132562A1 - A new system of internal combustion and explosion engines. : en es
  • FR42914E - Improvement in oscillating corridors : en fr
  • US1941960A - Electric feeler for looms : en
  • US1941941A - Ware support for kilns : en
  • DE590369C - Paper carriage switching device on typewriters : de en
  • ES132059A1 - A hydraulic dam of floats. : en es
  • US1941784A - Photographic camera : en
  • GB403754A - The manufacture of aldehydes of the benzanthrone series : en
  • US1942196A - Treating clay for transportation and handling : en
  • US1942130A - Automobile map mileage indicator : en
  • US1942333A - Ophthalmic lens : en
  • GB403785A - Means of supporting moveable floors, platforms, base plates and the like : en
  • US1941655A - Electromagnetic hammer : en
  • US1942010A - Train order hoop : en
  • US1942027A - String galvanometer : en
  • ES131775A1 - A bakery and pastry oven with a fixed and closed chamber. : en es
  • ES2183U - Overlapping cannons for hunting shotguns, united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590220C - Intermediate chamber for multi-chamber mills : de en
  • ES131821A1 - Procedure for performing sterile and resorbable sutures and surgical attachments. : en es
  • GB403864A - Improvements relating to electrical contact plugs or pins : en
  • US1941532A - Slicing machine : en
  • US1941715A - Wide span cable connecter for highvoltage lines : en
  • GB403935A - Improvements in coin delivering apparatus : en
  • DE590363C - Method and device for producing plastic prints on woven, knitted fabrics and like : de en
  • US1941650A - Surface condenser : en
  • US1941963A - Clutch : en
  • US1941999A - Stock feeding collet : en
  • FR757871A - Electrolytic cell for the production of chlorine and alkaline hydrates : en fr
  • GB403902A - Improvements in or relating to the protection of polished surfaces : en
  • GB403808A - Improvements in driving pulleys for positively driven flexible tracks of endless track vehicles : en
  • DE590564C - Process for the production of two and multicolor photographs or cinematographies : de en
  • GB403762A - Improvements in the manufacture and production of chrome yellow colours which are stable to light : en
  • GB403915A - Manufacture of symmetrical di-(arylamino)-hydroxybenzenes : en
  • GB403779A - Improvements in electric cables : en
  • DE590545C - Method of making speckled paints : de en
  • GB403881A - Foot-operated motor-controller : en
  • US1941525A - Conveyer : en
  • US1941913A - Electric cable : en
  • DE590411C - Radially pressurized double-flow turbine : de en
  • GB403948A - Improvements in or connected with cylinder grinders and the like : en
  • ES132321A1 - A lightweight radiotelephone device. : en es
  • ES2203U - Articulated sole of wood or other rigid material. (Machine-translation by Google Translate, not legally binding) : en es
  • USD91269S - Design for a neo-classic bathroom : en
  • US1941789A - Bearing : en
  • US1942192A - Cotton harvester : en
  • US1942332A - Artificial finger nail : en
  • DE590594C - Electrically heated hot water heater with built-in heating cartridge : de en
  • DE590477C - Depositing device for pieces of dough : de en
  • USD91298S - Design for a secretary : en
  • ES132324A1 - Improvements in the furnace apparatus for the calorific treatment of metallic articles and others. : en es
  • US1941751A - Fountain brush : en
  • US1942133A - Electric insulator : en
  • GB403763A - Improvements in and relating to photo-electric cells : en
  • GB404010A - Improvements in the manufacture and production of sulphur : en
  • US1941830A - Venetian blind operating mechanism : en
  • US1941817A - Process relating to the production of a material from vegetable matter of high pentosan containing pento-cellulose materials : en
  • ES2125U - Handles, handles and insulating gaskets for metal utensils in general (Machine-translation by Google Translate, not legally binding) : en es
  • ES131708A1 - Improvements introduced in the debuggers. : en es
  • GB403836A - Improvements in and relating to electric lamps : en
  • FR757876A - Process for isolating the different elements of a machine or an electrical device : en fr
  • GB403882A - Improvements in the manufacture of high molecular organic esters : en
  • US1941520A - Self-sealing tube : en
  • US1941861A - Process for the electrical purification of gases : en
  • US1941551A - Staybolt cap removing tool : en
  • US1941647A - Process for the manufacture of ether derivatives of 1-benzyl-3-methyl-isoquinoline : en
  • DE590275C - Stiffening fabric : de en
  • FR42949E - Differential planetary gear speed reducer : en fr
  • US1941934A - Process of gemming insoles : en
  • ES132322A3 - Improvements made to the sound devices used in toys. : en es
  • USD91292S - Design for a folding chair : en
  • IE13492L - Glue films : en
  • US1942378A - Radioreceiver : en
  • US1941962A - Manufacture of open space coated abrasive paper by the use of paraffin and other hydrophobic materials : en
  • DE543777C - Process for making a low-alcohol drink from milk : de en
  • GB403732A - Improvements in or relating to traffic control signals : en
  • GB403895A - Improvements relating to bicycle handle bars and supports : en
  • FR757822A - Transmission on agricultural machine by hoist chain and indentation pulley : en fr
  • GB403720A - Improvements in or relating to traffic control signals : en
  • GB403777A - Improvements in or relating to hair curlers : en
  • GB404292A - An improved process for annealing alloys : en
  • FR757972A - Systems for the transmission of electric waves along a dielectric guide : en fr
  • GB404662A - Improvements in or relating to remote control means for railway reciprocating engines : en
  • US1941524A - Air filter apparatus : en
  • US1941674A - Jar sealer : en
  • DE590402C - Shut-off device for petrol gate valves on motorcycles : de en
  • ES132308A1 - DEVICE FOR EXHIBITIONS : en es
  • ES1885U - Poroustopic garments made of porous elastic material (Machine-translation by Google Translate, not legally binding) : en es
  • DK48227C - Device for Connecting Gas Meters to Two Pipelines. : da en
  • GB403721A - Improvements in and relating to apparatus for filtration : en
  • US1942318A - Reversing mechanism : en
  • GB403799A - Improvements in flexible or indestructible wings or mudguards for motor vehicles, cycles and the like : en
  • FR757785A - Automatic cash dispenser : en fr
  • GB403844A - Improvements in friction clutches : en
  • GB403904A - Improvements in and connected with apparatus for producing combustible gas from volatile liquid fuels : en
  • US1941488A - Electrical attachment fitting : en
  • US1941744A - Refrigeration with solid carbon dioxide : en
  • CA338389A - Scale : en fr
  • DE590618C - Gear change transmission : de en
  • GB403710A - Improvements in or relating to machines for operating upon sheet material : en
  • GB403862A - Manufacture of vat-dyestuffs : en
  • US1941584A - Electrical heater : en
  • US1941642A - Fuel feeding system : en
  • US1942046A - Process for testing metals by polarization : en
  • USD91280S - Design for lace : en
  • DE590614C - Method of making multicolor images : de en
  • DK48228C - Procedure for the production of alcohols. : da en
  • GB404306A - Improvements in the manufacture of porous bodies comprising refractory granules and a ceramic bond : en
  • DE590390C - Drilling device : de en
  • FR42939E - Automatic telephone signaling system for emergency call : en fr
  • FR42945E - Electric and automatic safety lock : en fr
  • GB403931A - The manufacture of pure carbonic acid : en
  • US1942373A - Method of preparing creosoting compositions : en
  • DE590540C - Device for cutting open the protective cover of roll films : de en
  • DE590622C - Anti-skid device for car tires, especially for light vehicles : de en
  • GB403994A - Improvements in collapsable boats : en
  • FR757865A - Device for the elimination of overpressures in liquid dispensing systems comprising a deformable element : en fr
  • US1941974A - Engine oiling system : en
  • ES131103A1 - A procedure with its corresponding apparatus to order, collect and bind the continuous mode sheets, documents, books and publications of all kinds. : en es
  • ES2205U - Environment perfuming device. (Machine-translation by Google Translate, not legally binding) : en es
  • GB404617A - Process for the continuous manufacture of work-pieces, particularly the continuous machining of axle bearing housings and arrangements for performing the same : en
  • ES131403A1 - A fastening system for iron or steel rails on a wooden base. : en es
  • DE590494C - Support winding for live high-voltage conductors for oil transformers laid under oil : de en
  • US1941848A - Perforating attachment for printing presses : en
  • GB403984A - Tool for cutting screw threads : en
  • FR757836A - Method and apparatus for bagging materials in valve bags : en fr
  • GB403983A - Improvements in machines for pressing and moulding articles of glass : en
  • US1942058A - Milk cooler and deodorizer : en
  • US1942067A - Dual shutter control system for photographic sound apparatus : en
  • US1942224A - Storage bag : en
  • US1942349A - Slide rule : en
  • DE590401C - Air pressure monitoring device for vehicle tires : de en
  • GB403756A - Improvements relating to folding or collapsable caravans : en
  • GB403845A - Manufacture of dyes and intermediates therefor, and sensitization of photographic emulsions therewith : en
  • FR42911E - Reversing contactor device for ringing bells by electricity : en fr
  • DK48237C - Oil product, suitable for Coating, Adhesive or Binder, and Procedure for the manufacture of the product. : da en
  • FR757779A - Rotating blade with continuous cut for cutter bars, mowers, reapers, harvesters-binders : en fr
  • USD91284S - Streng : en
  • DE590489C - Rail fastening on iron trough sleepers with flanges rolled on the sides : de en
  • US1942181A - Mechanism for controlling delivery vehicles : en
  • FR757852A - Device for automatic adjustment, during idling, of the engine speed of a vehicle provided with a freewheel mechanism : en fr
  • FR42940E - Further development of spark plugs for combustion engines : en fr
  • GB403856A - Improvements in power transmission devices : en
  • US1941755A - Blow torch : en
  • ES131984A1 - A contact push button system. : en es
  • FR757799A - Log saw : en fr
  • US1941951A - Separating acetic acid from acetic : en
  • US1942037A - Harvesting machine : en
  • FR42926E - Seaplane : en fr
  • GB404279A - Improvements in or relating to plastic materials : en
  • GB403842A - Improvements in pipes for smoking : en
  • GB403923A - Improvements relating to gasholders and similar storage containers : en
  • DE590407C - Traffic light column : de en
  • USRE19040E - Brake mechanism : en
  • GB403919A - Improvements in and relating to railway switch mechanism : en
  • ES2199U - Floating suit. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757797A - Tube closure : en fr
  • US1942301A - Furniture : en
  • GB403911A - Improvements in landing trains for aeroplanes : en
  • DE590497C - Loose bulk material for storing explosive substances, especially acetylene : de en
  • GB403768A - Method of manufacturing low-carbon chromium alloys : en
  • US1941640A - Method of preparing aliphatic ketones : en
  • US1941740A - Apparatus for producing theatrical effects : en
  • GB403927A - Improvements in and relating to organs : en
  • DK48222C - Spark Plug Mixer. : da en
  • FR757768A - New chemical compounds applicable in particular as colorants and as photographic sensitizers and their preparation processes, as well as photographic emulsions containing these sensitizers : en fr
  • GB404275A - Improvements in and connected with elevator systems, conveyor systems, or the like : en
  • DE590591C - Small synchronous motor, especially for driving clocks and other timers, with flexible field poles : de en
  • ES132263A1 - Procedure for the manufacture of containers. : en es
  • ES132502A1 - Procedure for fast photography. : en es
  • CA338417A - Calcium chloride : en fr
  • ES1868Y - Welding lighter with two or more flames. : en es
  • US1942227A - Engine : en
  • US1941459A - Window fastener and bolt : en
  • US1941557A - Method : en
  • US1941828A - Time controlled switch : en
  • CA338419A - Aeroplane frame : en fr
  • DE590482C - Production of magnesium sulphate monohydrate : de en
  • US1942380A - Radiator : en
  • FR757826A - Improvements to valves for sound devices : en fr
  • US1941545A - Process for reducing the dust losses from shaft furnaces : en
  • US1941581A - Means to indicate resonance in a crystal resonator : en
  • US1941676A - Film gate for motion picture projection machines : en
  • US1942084A - Glass transfer mechanism : en
  • USD91264S - Design for an electrolysis : en
  • US1941727A - Self-sealing dispenser for toothpaste and like commodities : en
  • US1942066A - Means and method for recording and reproducing photographic sound records : en
  • DE590573C - Locking device for blow molding machines : de en
  • ES131412A1 - A procedure to manufacture elastic heels. : en es
  • FR42924E - Device allowing, in a gassed environment, to supply liquid or semi-liquid products to the wearers of breathing apparatus : en fr
  • US1942273A - Control device : en
  • ES132133A1 - A new automatic trigger system to make way for the extinguishing fluid in firefighting installations on board aircraft. : en es
  • CA338316A - Electric battery : en fr
  • US1941530A - Elevating and dumping device : en
  • US1941716A - Window sash construction : en
  • GB403811A - Improvements in and relating to railway tracks : en
  • CA338360A - Electrical forging and upsetting apparatus : en fr
  • US1941505A - Combination garment : en
  • US1941559A - Stringed musical instrument : en
  • US1942100A - Propeller : en
  • US1942389A - Process for making benzoic acid : en
  • DE590416C - Selective protection circuit against earth faults for meshed networks or against frame faults for electrical generators : de en
  • CA338398A - Lubricating oil : en fr
  • DK48219C - Physical Fluids (Phosphors), their Manufacture and Use for Irradiation of Ferments etc. and for Water Purification. : da en
  • ES131645A1 - Procedure for the manufacture of electric heating elements. : en es
  • ES132309A3 - Procedure for hardening, polishing and adjusting antifriction metal connecting rods and centers. : en es
  • FR42937E - Selective herbicides : en fr
  • FR757771A - Piston and ring for pressurized fluid engine : en fr
  • GB403855A - A new or improved dispenser for liquid soap and other liquids : en
  • US1941472A - Transmitter tube circuit : en
  • USD91271S - Design for a basket : en
  • US1942237A - Fastening means for expansible bodies : en
  • US1941574A - Door operator : en
  • US1941954A - Egg packing : en
  • US1942350A - Storage battery and method of making the same : en
  • FR42929E - Advanced vibrator, more particularly intended for chipmaking machines : en fr
  • DE557354C - Process and device for the production of hollow paper bodies from pulp water by the couching process : de en
  • DE590405C - Device to protect against the ingress of cooling water into the sliding guide and the storage of the grinding spindle in grinding machines : de en
  • US1941992A - Base feed and staking machine : en
  • US1942286A - Attachment to reaping machines for the purpose of lifting fallen grain : en
  • US1942376A - Apparatus for simulated card games : en
  • US1941826A - Towel-dispensing apparatus : en
  • US1941726A - Cement gun nozzle : en
  • US1942124A - Show case : en
  • USD91278S - Design for a table : en
  • DE590577C - Refrigerant for compression refrigeration machines : de en
  • DE590389C - Running weight for scales : de en
  • US1941620A - Buttonhole sewing machine : en
  • US1942383A - Method for coating paper and the like : en
  • USD91260S - Design for an ash tray : en
  • CA338345A - Cigar head knurling and punching device : en fr
  • US1941449A - Separator : en
  • US1941734A - Air conditioner : en
  • DE590430C - Disc gas container : de en
  • DK48240C - PROCEDURE FOR CONSTRUCTION OF WELDED STEEL PLATE BOILERS WITH CONACACALLY STANDING, RING-shaped, water-filled elements. : da en
  • ES131726A1 - A procedure for the manufacture of own metal containers for liquid perfumery products. : en es
  • US1941542A - Tuning arrangement : en
  • CA338282A - Rail supporting device : en fr
  • FR757878A - Device for the simultaneous laying of two and more plates or tiles : en fr
  • DE590435C - Inking unit for high-speed cylinder presses : de en
  • DE590609C - Potato harvester with laying wheel rotating in an approximately horizontal plane : de en
  • CA338354A - Separable fastener : en fr
  • GB403718A - Improvements in or relating to prepayment gas meters : en
  • DK48211C - Determination device for bicycle dynamos. : da en
  • GB404007A - Improvements in and relating to methods and apparatus for the production of lead pigments : en
  • US1942293A - Carburetor : en
  • ES132304A1 - PROCEDURE FOR THE MANUFACTURE OF A MASS OF ARTIFICIAL STONE BASED ON CEMENT : en es
  • ES132313A2 - AN APPARATUS FOR COPYING FILMS FROM LENTICULAR RETICLE BY MEANS OF PROJECTION : en es
  • ES1639Y - Roll-up caps for metal cans. : en es
  • CA338262A - Acetic anhydride separation : en fr
  • CA338349A - Underfeed stoker : en fr
  • ES128699A1 - A sealing capsule closure device for an opening in a metal container wall. : en es
  • ES1398Y - Flat loom for hand weaving. : en es
  • ES131876A1 - A new toy motorcycle system for children. : en es
  • CA338403A - Barber's tool sterilizer : en fr
  • GB403753A - Improvements relating to clock bezels : en
  • GB403740A - Improvements in or relating to tuning arrangements for use in radio reception and transmission : en
  • US1941703A - Casing cutter : en
  • US1942074A - Time switch : en
  • DE590538C - Film drying cabinet with air circulation and automatic temperature control : de en
  • DE590636C - Process for the production of resinous condensation products : de en
  • US1942053A - Artificial leg : en
  • FR757893A - Aircraft upgrades : en fr
  • CA338301A - Safety razor : en fr
  • FR757808A - Flaky pastry products and their preparation process : en fr
  • DE590442C - Pulverized coal burners : de en
  • DE590569C - Doorstep timbering for the pit construction : de en
  • US1941687A - Audion construction : en
  • ES2206U - Device for disinfecting telephone headsets. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42938E - Device for the gasification of low volatile combustible liquids in internal combustion engines : en fr
  • GB404327A - Improvements in the colouration of cellulose ester or ether materials : en
  • US1941662A - Portable collapsible building : en
  • US1941973A - Corn popping apparatus : en
  • USD91303S - Design for a textile fabric or : en
  • GB403841A - Improvements in or relating to liquid fuel burning apparatus : en
  • USD91266S - Design for a grille or the like : en
  • US1941730A - Trimming mechanism of typographical line casting machines : en
  • US1942003A - Knock-down leg for furniture : en
  • US1941906A - Refrigerator : en
  • ES2212U - A glass container or material (Machine-translation by Google Translate, not legally binding) : en es
  • US1941712A - Hermetic seal for bottles : en
  • US1941741A - Typographical line-casting machine : en
  • US1941498A - Balustrade for moving hand rails : en
  • US1941965A - Brake : en
  • ES132246A1 - Improvements in television systems. : en es
  • USD91282S - Design fob a toilet paper holder : en
  • US1941875A - Peach pitting support and tip cutter : en
  • US1941949A - Submarine mine-layer : en
  • US1941609A - Process for decomposing ores : en
  • US1941983A - Metallurgy of iron : en
  • US1942166A - Dispensing machine : en
  • US1942210A - Universal folding ladder : en
  • USD91270S - Design for a lip stick holder : en
  • USD91285S - Design fob a cooking vessel ob : en
  • USD91295S - Design for a bottle : en
  • GB403741A - Improvements in and relating to the tobacco feeding mechanism of cigarette-making machines : en
  • FR757889A - Mobile lighting installation for landing fields : en fr
  • US1941804A - Porous ceramic product and the manufacture thereof : en
  • US1941940A - Plow : en
  • US1941765A - Windshield warmer : en
  • US1942160A - Process for recovering alkaloids from cocoa products : en
  • DE590222C - Device for mixing, emulsifying, homogenizing, triturating, crushing or the like. : de en
  • US1942360A - Bell ringing mechanism : en
  • DE590454C - Towing device for damaged vehicles consisting of a single-axle chassis : de en
  • US1941588A - Automatic clutch mechanism : en
  • USD91308S - Design for lace : en
  • US1942266A - Traffic control system : en
  • FR757773A - Fixing device for sockets in fixtures and portable lamps : en fr
  • FR757793A - Machine for bagging powdery or granular materials : en fr
  • ES128893A3 - A device to facilitate the use of carbon paper for typewriting copies. : en es
  • FR757805A - Vehicle lighting and ventilation device : en fr
  • DE590501C - Backrest adjustment device : de en
  • FR757819A - Flexible band for use in corset stays or other similar articles and method of making the same : en fr
  • GB403821A - Improvements in or relating to solid fuel heating apparatus : en
  • ES2178U - Portacorbatas. (Machine-translation by Google Translate, not legally binding) : en es
  • ES2209U - A new shaving machine (Machine-translation by Google Translate, not legally binding) : en es
  • FR757855A - Feeder with automatic opening and closing : en fr
  • ES132244A1 - Improvements in the switching mechanisms. : en es
  • ES131399A1 - An automatic indicator and recorder of the speeding of mechanical traction vehicles. : en es
  • ES131846A1 - Improvements in the manufacture of friction lighters. : en es
  • FR757752A - Packaging for powdery or granular products : en fr
  • FR42934E - Elastic fabric : en fr
  • FR757886A - New device in a set allowing the coded lighting of the bicycle by a single light source : en fr
  • ES132255A1 - Machine gun improvements. : en es
  • GB403831A - Improvements in and relating to charts and graphical representations : en
  • GB403838A - Process for the manufacture of unsaturated ketones : en
  • ES2204U - An own device to imprison the head to the middle part or extremity of the legitimate or imitated skins of the animals, usable as boa (Machine-translation by Google Translate, not legally binding) : en es
  • ES132311A1 - A husking and polishing machine for cereals of all kinds and for legumes. : en es
  • US1941957A - Knife-carrier for paper cutting machines : en
  • US1942147A - Contact finger for relays : en
  • ES131583A3 - Manufacturing process for impregnating masses and adhesives. : en es
  • US1941688A - Catalytic oxidation of organic compounds : en
  • FR757892A - Improvements in the production of adhesive films : en fr
  • FR757761A - Windshield for tedders or swath rakes : en fr
  • GB403752A - Improvements relating to the remote control of boiler feedwater regulators and the like : en
  • US1941610A - Process for decomposing ores : en
  • US1941857A - Antiskid device for car wheels : en
  • US1941888A - Manifolding device : en
  • US1941911A - Calculator : en
  • DE590422C - Sowing device for push-wheel seed drills : de en
  • US1941641A - Closure fastener : en
  • FR757845A - Corrosive gas flow recorder : en fr
  • US1942308A - Window screen : en
  • CA338340A - Food product processing : en fr
  • DE590601C - Device for holding down the lid of cooking pots : de en
  • US1941749A - Insulator : en
  • US1941792A - Bake oven : en
  • US1941989A - Speed control device for movable grids : en
  • US1942254A - Shirt pressing machine : en
  • DE590490C - Device for transmitting line signals to the moving train : de en
  • DE590602C - Kitchen stove with a boiler enclosing the combustion chamber : de en
  • CA338392A - Typewriter : en fr
  • DE590575C - Device to accelerate the fermentation of beer in storage tanks : de en
  • US1941666A - Machine for preparing or spinning yarns or threads : en
  • GB403966A - Treatment of textile and other materials made of or containing cellulose esters : en
  • US1942335A - Binder packer arm and pitman : en
  • US1941677A - Diaper : en
  • US1942028A - Intermittent driving mechanism : en
  • ES131990A1 - A procedure for producing fuel gas from the oil. : en es
  • FR757835A - Method for producing a sound-emitting membrane installation comprising a polarized emitter : en fr
  • US1941752A - Apparatus for use in or in conjunction with cigarette making machines : en
  • DE590531C - Device on cardboard machines for the production of thick cardboard and building boards : de en
  • FR42936E - Machine for checking, printing and reclassifying coupons, tickets, sheets, strips of paper, etc. : en fr
  • US1942263A - Steering mechanism : en
  • DE590413C - Process for driving tunnels or channels in floating mountains : de en
  • DE590265C - Cinematographic recording device for recording natural-colored cinematographic images : de en
  • US1942245A - Egg separating apparatus : en
  • DE590572C - Device for conveying materials in pipelines : de en
  • DE590387C - Insulating board : de en
  • DE590309C - Process for the continuous introduction or discharge of solid substances into or out of pressure vessels : de en
  • FR757841A - Process for the preparation of condensation products : en fr
  • GB403783A - Improved means for signalling or controlling the timing and sequence of operations : en
  • US1941510A - Bag : en
  • US1941522A - Motion picture film spooling system : en
  • US1942106A - kottmann : en
  • US1942256A - Wall plug : en
  • US1942044A - Brake mechanism : en
  • US1942339A - Pictorial art composition : en
  • GB403897A - Improvements in screw propellers : en
  • DE590550C - Fermentation process for the production of yeast and alcohol : de en
  • FR757846A - Articulated plantar heel counter for shoes and shoes : en fr
  • US1941592A - Roasting pryites fines : en
  • CA338415A - Petroleum sludge regeneration : en fr
  • US1941772A - Soldering jig : en
  • US1941800A - Paste distributor : en
  • US1942331A - Method and double stocking blank for manufacturing stockings : en
  • US1942268A - Signaling device : en
  • US1942055A - Welding apparatus : en
  • US1942110A - Process for making reaction products of ketene : en
  • CA338412A - Chlorinated rubber : en fr
  • US1941467A - Torch : en
  • US1941758A - Suction cleaner : en
  • DE590448C - tripod : de en
  • DE590562C - Process for the production of a multilayer wood pulp : de en
  • US1942364A - Welding electrode : en
  • US1941738A - Cork covered spindle : en
  • US1942009A - Valve : en
  • US1941537A - Seepage joint : en
  • US1941866A - Safety gas grate : en
  • US1942134A - Interlocking system for railroads : en
  • US1941669A - Semitrailer : en
  • US1942385A - Radio receiving circuit : en
  • CA338367A - Radio receiver remote control : en fr
  • US1941575A - Temple hinge or mounting for spectacles : en
  • CA338312A - Harvester : en fr
  • DE590465C - Underwater tunnel shot made of reinforced concrete : de en
  • CA338338A - Heater : en fr
  • ES2200U - Container for solid substances such as flour, spices, drugs, legumes, drugs and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • US1942098A - Temporary construction mold : en
  • US1942358A - Vacuum cleaner attachment for automobiles : en
  • CA338380A - Oil still : en fr
  • DE590445C - Drawer runners : de en
  • CA338393A - Lasting machine : en fr
  • US1941897A - Apparatus for feeding batch to glass melting furnaces : en
  • GB404334A - Combined light and heat radiator for medical purposes : en
  • US1941506A - Process for recovering nonferrous metals from melts containing metal oxides : en
  • US1941589A - Fastening for gratings : en
  • US1942179A - Feed water heater : en
  • US1941766A - Pneumatic water system : en
  • US1942280A - Game : en
  • DE590299C - Automatic dough dividing machine : de en
  • GB403797A - Improvements relating to carburettors for internal combustion engines : en
  • ES131065A3 - An explosive. : en es
  • DK48224C - Device by Spotlights. : da en
  • DE590356C - Ice skate with stealthy running edges : de en
  • US1941729A - Magazine adjusting device for typographical composing machines : en
  • DE537878C - Auxiliary device for elongated airships tied to the mast : de en
  • US1941690A - Scrubbing machine : en
  • CA338277A - Grating or screen cleaning apparatus : en fr
  • US1941555A - Lock : en
  • ES1871U - Automatic safety and economy valve for tanks or tanks for gasoline, petroleum, alcohol or similar materials. (Machine-translation by Google Translate, not legally binding) : en es
  • US1941529A - Hinge : en
  • US1941460A - Double row roller bearing : en
  • US1941617A - Smoker's utensil : en
  • US1941862A - Carburetor : en
  • US1942132A - Fluid flow control : en
  • US1941457A - Error compensating device for radiogoniometers : en
  • US1941571A - Head lamp safety device : en
  • US1942278A - Means of and apparatus for transmitting messages through submarine and other like cables : en
  • ES132291A1 - Procedure for the manufacture of waterproof footwear by means of a waterproof coating, applicable to espadrilles, slippers, boots and leggings of fabric or other similar types of footwear. : en es
  • DE590579C - Process for the preparation of cyclic ketones : de en
  • US1941603A - Coal breaker : en
  • GB403805A - Improvements in weighting-means for the rollers of spinningframes : en
  • GB403905A - Improvements in and relating to printing rolls : en
  • ES132213A3 - A device designed to replace the function of different electrical parts of a car in case of failure of any of them. : en es
  • DE590452C - Automatic fire extinguishing system with compressed air in the shower pipe network : de en
  • ES132572A3 - A method of manufacturing electric incandescent lamps. : en es
  • FR757782A - Capacitor with capacity independent of thermal variations : en fr
  • GB404035A - Packing device for solid edible articles of tetrahedral shape : en
  • US1941886A - Emulsion decomposing body : en
  • GB403851A - Improvements in the manufacture of films from cellulose derivatives : en
  • US1941615A - Mechanism for radio operated repeat motion : en
  • US1941704A - Thermostatic relay : en
  • CA338318A - Door knob : en fr
  • GB403866A - Improvements in or relating to heating apparatus for hovers, brooders and the like : en
  • GB404005A - New or improved process for bringing mutually immiscible liquids of different specific gravity into intimate contact : en
  • US1941838A - Display device : en
  • USD91286S - Design fob a liquid refreshment : en
  • US1942048A - Indirect exhaust system : en
  • US1942093A - Form for concrete floor construction : en
  • US1942094A - Flow control apparatus : en
  • DE590240C - Device for draining auxiliary locomotives : de en
  • ES132277A1 - A device that emits hot air at adjustable temperature and pressure. : en es
  • GB403865A - Improvements in or relating to television and like short wave receiving and distributing systems : en
  • ES131979A3 - Improvements introduced in the manufacture of billiards. : en es
  • US1941600A - Heater for permanently waving hair : en
  • US1942296A - Cushion and like device : en
  • DE590160C - Chiller : de en
  • ES2153U - Smoke extraction and ventilation device. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403775A - An improved metal protecting cap, for compressed gas cylinder valves, and the like : en
  • FR757809A - Improved process and apparatus for the treatment of solids with gases : en fr
  • US1941868A - Form fitting diaper : en
  • US1941850A - Safety gas cock : en
  • DE590492C - Radio receiver : de en
  • US1942102A - Hermetic seal for bottles : en
  • GB403719A - Improvements in or relating to the manufacture of sodium aluminate : en
  • GB403801A - Improvements in or relating to multi-position electric switches, such as for controlling electric motors : en
  • USD91301S - Design for a textile fabric or : en
  • US1941721A - Pull socket : en
  • US1941775A - Carton : en
  • US1942362A - Box covering method and product : en
  • US1942379A - Fluid current conveyer : en
  • US1941451A - Treatment of fibrous materials : en
  • US1941896A - Photo-electric control of glass feeders : en
  • US1942056A - Hen's nest : en
  • US1942300A - Match package : en
  • GB403937A - Improvements relating to electric switches : en
  • US1942361A - Slide buckle : en
  • DE590589C - Circuit arrangement to avoid network noise : de en
  • FR757786A - Process for reducing the electric charge of artificial leaves and other artificial products produced by means of colloid with a high degree of polymerization : en fr
  • DE590393C - Process for the production of screen meshes for screening and sifting systems that can be applied to screen frames : de en
  • CA338287A - Foundation garment : en fr
  • DK48229C - Percussion tool. : da en
  • GB403934A - A method of glazing plaster walls and other surfaces : en
  • US1941450A - Air filter : en
  • US1942208A - Means for obtaining lead in metallic condition : en
  • FR757872A - Improvements to air current tube mills : en fr
  • ES1750Y - Guarantee closure device for bottles. : en es
  • ES132347A1 - Procedure of construction of containers for fruits. : en es
  • US1941781A - Vending machine : en
  • DE590593C - Switch for hot air blower : de en
  • GB403765A - Means for playing a new or improved board game : en
  • FR757895A - Advanced tread : en fr
  • FR42912E - Improvements to pneumatic tires for vehicles : en fr
  • ES2202U - Toy composed of swing and skates. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403901A - Improvements in and relating to piston packings : en
  • US1941819A - Basket : en
  • ES131591A1 - A process for manufacturing a stenciled metal mesh. : en es
  • GB403817A - Improvements in controlling devices for variable speed gearing, particularly for motor vehicles : en
  • FR757783A - Improvements made to game markers : en fr
  • GB403769A - A combination pocket tool : en
  • DE590406C - Switch for electrical signaling devices : de en
  • US1941517A - Trellis : en
  • CA338405A - Safety razor : en fr
  • ES132355A3 - Pure, light, precipitated carbonate of lime manufacturing process. : en es
  • DE590368C - Type lever drive for typewriters : de en
  • CA338290A - Vehicle suspension rebound damper : en fr
  • ES2182U - Overlapping cannons for hunting shotguns, united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403809A - Improvements in coil winding machines : en
  • GB403872A - Improvements in or relating to a method of and means for eliminating rotational eccentricity of work spindles for machine tools : en
  • ES131849A1 - Device for the reading of direction finders intended for ground-breaking devices with mechanical delivery of sparks. : en es
  • US1941550A - Sponge holder : en
  • DE590587C - Arrangements for the regulation of induction motors through discharge vessels : de en
  • GB576683A - Improvements in bombs or the like intended to be dropped from aircraft : en
  • CA338273A - Headlight adjusting device : en fr
  • ES132340A1 - A new bearing. : en es
  • ES131519A1 - Improvements in cinematographic devices. : en es
  • US1942253A - Elevator door operating apparatus : en
  • CA338395A - Oscillating motor circuit controller : en fr
  • DE590414C - Zipline indicator, especially for systems to regulate the flow of freight trains on drainage mountains : de en
  • FR757966A - : fr
  • FR757981A - : fr
  • FR757986A - Improvements to electronic tubes and their circuits : en fr
  • US1941699A - Sock suspender : en
  • US1942215A - Locomotive front end : en
  • US1941863A - Electric power distributing system : en
  • US1941503A - Lighting device : en
  • US1941665A - Massage apparatus : en
  • CA338288A - Fluid meter : en fr
  • CA338409A - Mineral recovering machine : en fr
  • CA338315A - Steel ladder : en fr
  • US1942026A - Spirally-bound sheaf : en
  • DE590206C - Closure device for emptying openings on container floors of processing machines of all kinds : de en
  • DE590624C - Automatic door lock for railroad cars, buses, etc. like : de en
  • DK48212C - Electric Hand Flashlight for Signal Use. : da en
  • US1942005A - Carburetor : en
  • US1941482A - Drain valve : en
  • CA338372A - Rubber thread or tape : en fr
  • US1941565A - Socket wrench : en
  • US1941496A - Economizes : en
  • US1942345A - Manufacture of paper bottles : en
  • CA338326A - Door elevating means : en fr
  • US1941630A - Game apparatus : en
  • US1941771A - Production of dibenzanthrone : en
  • US1941782A - Reflecting base jewel mounting : en
  • US1942274A - Priming mixture : en
  • CA338255A - Lock nut : en fr
  • CA338329A - Electronic grid : en fr
  • DE590578C - Process for the production of glycols : de en
  • ES131833A3 - Improvements introduced in the manufacture of liquid measuring devices. : en es
  • CA338358A - Stove : en fr
  • US1942236A - Elevator dispatching system : en
  • US1942070A - Vehicle seat : en
  • US1941673A - Steering and stabilizing construction for individually sprung wheels : en
  • US1941718A - Grass clipper : en
  • US1941710A - Composition containing derivatives of cellulose : en
  • US1941681A - Printing machine : en
  • US1941876A - Record : en
  • US1942239A - Metal window frame : en
  • DE590305C - Device for regulating the conveyance of band or strip-shaped fabrics : de en
  • GB403867A - Improvements in and relating to cigar making machines : en
  • US1941476A - Method of making sound reproducers : en
  • CA338402A - Picture and sound system : en fr
  • US1941563A - Hydraulic brake : en
  • US1942223A - Method of making propeller blades : en
  • US1942225A - Motor vehicle : en
  • CA338385A - Water treating compound : en fr
  • CA338400A - Motor vehicle : en fr
  • CA338309A - Vehicle horn : en fr
  • GB403794A - Control valve for compressed air brakes : en
  • GB403879A - Envelopes and paper for correspondence : en
  • US1941737A - Typographical composing machine : en
  • US1941839A - Plug cock : en
  • US1941474A - Plastic or coating composition : en
  • US1941933A - Bottle : en
  • US1942042A - Device for sealing machines : en
  • US1942346A - Process for the manufacture of cellulose solutions : en
  • USRE19039E - Remote control indicator system : en
  • US1942222A - Method of making propeller blades : en
  • FR757802A - Appliance using cold, such as cooler, refrigerator, etc. : en fr
  • US1941601A - Separation of oil and wax : en
  • DE590404C - Bicycle drive : de en
  • ES132535A3 - Improvements introduced in the manufacture of apparatus for heating liquids. : en es
  • US1942092A - Remote control for movable members of machine tools : en
  • US1942372A - Distillation of tar or pitch : en
  • US1941489A - Electrical attachment fitting : en
  • US1941975A - X-ray tube : en
  • US1942119A - Securing trim panel : en
  • FR757762A - Electric transmission device : en fr
  • DE590487C - Letter embossing press : de en
  • DE590546C - Square or round collapsible transport container or container : de en
  • GB403807A - Device for trimming the side faces of weaving shuttles or the like : en
  • FR757796A - Sealing for pipes : en fr
  • DK48238C - Process for the treatment of bituminous substances for the preparation of aqueous dispersions thereof. : da en
  • DE590530C - Switching device for several separate circuits : de en
  • US1941546A - Step control system : en
  • US1941944A - Cup-like wrapping element for sweetmeats and the like : en
  • US1942281A - Hydraulic power transmitter : en
  • DE590463C - Control for the top hatch of a movable weir : de en
  • DE590522C - Four-stroke internal combustion engine with oscillating cylinders : de en
  • GB403876A - Improvements relating to electron discharge tubes for purposes of sound recording or the like : en
  • GB404269A - Improvements in aircraft and control thereof : en
  • US1941988A - Dust collector : en
  • CA338394A - Lasting machine : en fr
  • DE590327C - Compasses with reversible double inserts : de en
  • GB403869A - Improved guard for guillotine cutting machines : en
  • GB403928A - Improvements in and relating to electric translating circuits : en
  • DE590238C - Process for the production of lactones : de en
  • DK48213C - Direct locking device for the base and the impact pin by automatic firearms : da en
  • CA338261A - Oil burner tube : en fr
  • FR757800A - Headlight or lantern glass, in particular for vehicles : en fr
  • US1941987A - Acoustic device : en
  • GB403773A - Improvements in automatic gramophones : en
  • ES132498A1 - An improved tissue manufacturing process. : en es
  • GB403814A - Improvements in and relating to the conversion of current : en
  • ES132325A1 - A procedure to prepare fabrics, underwear, gloves, absorbent cloths, sashes and similar articles against sudoral hypersecretion. : en es
  • FR757856A - Belt and feet assembly device applicable to furniture to facilitate dismantling : en fr
  • GB404276A - Improvements in and relating to commutators for dynamo electric machines : en
  • FR757838A - Salon game : en fr
  • FR757825A - Insect electrocutor device : en fr
  • US1941794A - Tufted mattress and method of making the same : en
  • CA338305A - Steam heating system : en fr
  • ES132284A1 - Improvements in the equipment for the manufacture of footwear with rubber floor. : en es
  • GB403871A - Apparatus for drying oleiferous fruits : en
  • ES132496A1 - A procedure and generator for the gasification of fuels of considerable specific weight. : en es
  • GB403854A - Improvements in receptacles for waste paper, smokers' ash or other refuse, also applicable to ink-wells : en
  • GB403804A - A new or improved mechanical toy : en
  • US1942190A - Serving tray : en
  • DE590469C - Method and device for the production of ammonium nitrate : de en
  • DE590479C - Recovery machine with throwing shovel thrown by spring force : de en
  • GB403828A - Improvements in decantation apparatus and methods : en
  • DE590475C - Process for the production of a concentrated skimmed milk : de en
  • GB403725A - Improvements in or relating to electrical recording instruments : en
  • FR42920E - Improvements to purifiers and sorters : en fr
  • DK48221C - Procedure for the Preservation of Vegetable and Animal Foods and Plants and Feedingstuffs in Their Natural Condition. : da en
  • FR757776A - Improvement of caps for casks : en fr
  • GB403735A - Improvements in or relating to golf balls : en
  • US1941585A - Radio beacon system : en
  • US1942012A - Dial for multirange radioreceivers : en
  • US1942033A - Revoluble stool : en
  • US1942115A - Automobile appliance : en
  • US1941556A - Process of producing high silicon and high manganese steel : en
  • GB403873A - Improvements in or relating to the wrapping of oranges, lemons, apples or similarly shaped fruit or articles : en
  • US1941486A - Auxiliary lateral journal bearing : en
  • US1941996A - Equalizer seat cushion : en
  • US1942287A - Laminated board top or covering for furniture, etc. : en
  • FR42921E - New process for stabilizing and regulating motor compressors with opposed free pistons : en fr
  • FR757857A - Manual or automatic gear change device, for motor cars : en fr
  • GB403745A - Improvements in clutch devices for transmitting motion : en
  • GB403863A - Improvements in or relating to hinged lid boxes : en
  • FR42935E - Reservoir pen holder : en fr
  • DK48239C - Signal device for Intersections, especially on single-track Railways. : da en
  • FR757829A - Film winding device : en fr
  • ES132060A1 - A procedure with the corresponding apparatus to automatically regulate the position of hydraulically actuated prey. : en es
  • US1942367A - Hand pump for greases, etc. : en
  • US1941614A - Pothead or terminal for electric cables : en
  • FR757864A - Process for manufacturing porous articles or objects made of metal oxides : en fr
  • DE590415C - Moving device for withdrawable switchgear : de en
  • DE590585C - Electric starting device, especially for internal combustion engines mounted on vehicles : de en
  • US1941635A - Sanitary and antiseptic sputum cup : en
  • US1941980A - Making of sound synchronized motion pictures : en
  • US1941950A - Bobbin guide : en
  • US1941779A - Glass tank : en
  • GB403906A - Improvements in bogie frames for railway and like vehicles : en
  • GB403926A - Improvements in means for fixing grids in anode protecting tubes for metal vapour rectifiers : en
  • GB403973A - Improvements in or relating to electronic amplifier valves : en
  • DE589566C - Process for the preparation of yellow stain dyes : de en
  • DE590515C - Procedure for avoiding the rest field in iron transformers in optical sound, television or similar devices : de en
  • DE590403C - Seat cushion made of sponge rubber with air holes for bicycle bags : de en
  • DE590628C - Device for loading bulk goods in conveyor wagons with a loading device that can be moved on crawlers : de en
  • ES1695Y - Fastening device for electric screens by pressure and without additional devices. : en es
  • DE590429C - Method and device for washing coal, ore or the like. : de en
  • ES132290A1 - A self-pneumatic hammer. : en es
  • GB403975A - Improvements in and relating to electric clutches : en
  • US1941706A - Washing machine : en
  • US1941549A - Valve for toilet tanks : en
  • ES132298A1 - Improvements in the manufacture of fuel briquettes, based on carbonaceous material. : en es
  • GB403781A - Improvements in converting salt mixtures containing ammonium chloride into a granular form : en
  • FR757795A - Elastic calibrated alveoli : en fr
  • GB403739A - Improvements in the manufacture of staple fibre yarns from continuous filaments : en
  • US1942014A - Drilling mechanism : en
  • FR757898A - Device for measuring the exposure time for cameras : en fr
  • FR757801A - : fr
  • US1942174A - Material for making decorative devices such as artificial flowers, etc., and method of making such material : en
  • GB403987A - Improvements in and relating to control of electric relays by means including electric discharge devices : en
  • GB403878A - Improvements in and relating to apparatus for the storage of gases generated by sewage, sewage sludge and like putrefactive liquids and gases of other origin : en
  • FR757811A - Improvements to indicating devices, in particular to those giving two different expressions of the same factor, such as speedometers and combined tachometers for automobiles : en fr
  • US1941788A - Bearing : en
  • US1941803A - Method and apparatus for lifting rails : en
  • US1941513A - Apparatus for cleaning boiler tubes : en
  • USD91291S - Design for a service station : en
  • US1941834A - Weighing scale : en
  • CA338303A - Engine safety device : en fr
  • GB403888A - Process for the production of powder from ductile metals, especially magnesium : en
  • USD91275S - Design for a toy : en
  • US1941475A - Bleached condensation product of carbohydrates and crude hydrocarbons : en
  • US1942123A - Magneto : en
  • USD91276S - Design for a dress buckle : en
  • US1942043A - Method of producing metallic fastener blanks : en
  • US1942304A - Shaft and process of applying noncorrosive metallic sheathing thereto : en
  • ES2197U - Collector of pods or capsules applicable to machine guns (Machine-translation by Google Translate, not legally binding) : en es
  • GB404008A - Sizing machines : en
  • DE590500C - Handle for suitcases, bags, etc. like : de en
  • US1942146A - Impregnated and superficially smoothed article : en
  • ES132297A1 - Improvements in the manufacture of fuel, based on carbonaceous material. : en es
  • DK48223C - Posting sheet. : da en
  • DE590633C - Process for the production of alkali sulfates : de en
  • ES2218U - Comb of elastic rubber or other soft and elastic material for shaving machines. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757784A - Improvements in the form of casting and suspension of the bells, as well as in the suspension of the bells : en fr
  • GB403787A - Improvements relating to pressure reducing or controlling valves : en
  • DK48234C - Method and Apparatus for Sterile Filling and Closing of Containers. : da en
  • ES2207U - Seat or backrest of grid with special system of springs. (Machine-translation by Google Translate, not legally binding) : en es
  • US1942111A - Furniture slip cover : en
  • DE590400C - Vehicle wheel : de en
  • US1941593A - Pumping : en
  • US1942002A - Automatic temperature control device : en
  • DE590583C - Device for printing or etching of cylindrical objects, preferably made of glass : de en
  • US1942369A - Auxiliary distributing valve for locomotives : en
  • US1941649A - Water meter : en
  • US1941832A - Thermos bathtub : en
  • ES132320A1 - An apparatus for the extraction of olive oil. : en es
  • USD91261S - Design for a chain : en
  • US1942327A - Radioreceiver : en
  • US1941867A - Pasting mechanism for stitching machines : en
  • US1942089A - Tie : en
  • US1941864A - Cooling and ventilating device : en
  • GB403759A - Improvements relating to settees, lounge chairs, chairs, tables and the like : en
  • FR757823A - Seed shelling machine : en fr
  • GB403731A - Improvements in or relating to traffic control signals : en
  • FR42927E - Washing machine : en fr
  • DE590330C - Holder of the working magnets on the telegraph wire : de en
  • US1941466A - Sectional manifold : en
  • US1941611A - Wind driven electric power generator with pumping attachment : en
  • US1941964A - Carrying rope : en
  • US1942289A - Vehicle headlight control apparatus : en
  • FR757957A - : fr
  • GB404616A - Improvements in and relating to milking machines : en
  • US1941504A - Harrow : en
  • US1942025A - Blade strip and method of making the same : en
  • US1941659A - Insect trap : en
  • USD91299S - Design for lace : en
  • DE579824C - Detachable cable connection for electromagnetic rail brakes : de en
  • US1942059A - Oscillographic apparatus : en
  • FR757873A - Improvements to devices used to project screen views in natural colors : en fr
  • GB404006A - Improvements in and relating to the wheels and axles of tractors and like self-propelled machines : en
  • DE590285C - Dry rectifier cell : de en
  • ES132574A1 - A new closing device for the lids of drums and other metal containers. : en es
  • GB403749A - An improvements in or relating to knot-tying devices : en
  • GB403761A - New or improved apparatus for playing a game : en
  • IE12322L - Cases for holding bottles : en
  • US1942276A - Automobile jack : en
  • US1942128A - Work supporting and guiding means : en
  • US1942357A - Sheet winding machine : en
  • US1941757A - Display holder or package : en
  • US1942188A - Stabilizer for car trucks : en
  • CA338259A - Paint spraying apparatus : en fr
  • US1941908A - Coupling for shafts forming angles : en
  • US1941735A - False teeth : en
  • US1941870A - Electrical musical instrument : en
  • US1941568A - Container : en
  • US1941586A - Speed boat : en
  • US1942158A - Clutch operating mechanism : en
  • US1942311A - Inner tube drier : en
  • US1941487A - Carbureting process and apparatus : en
  • US1942168A - Apparatus for producing perforated paper : en
  • FR757842A - Monolithic cellular partition in reinforced concrete, and element for its construction : en fr
  • US1941534A - Process for forming alloys : en
  • US1941547A - Free scaling and free machining steel : en
  • US1941927A - Folding table : en
  • US1941612A - Attachment plug cap : en
  • US1942341A - Ground clamp : en
  • DE590597C - Crucible for coreless induction ovens : de en
  • DK48232C - Bearing antenna system, consisting of a frame antenna and an auxiliary antenna whose electromotive force is less than the maximum electromotive force of the frame antenna. : da en
  • ES132239A1 - Diameter apparatus with series spark gauge. : en es
  • FR757839A - Improvements in the manufacture of elastic fabrics : en fr
  • FR757850A - Improvements to the doors : en fr
  • US1941667A - Printing machine : en
  • US1942220A - Cutting : en
  • US1941746A - Stock receptacle : en
  • US1942091A - Manufacture of wire wheels : en
  • DE590565C - Hand fire extinguisher with continuously pressurized extinguishing fluid : de en
  • DK48220C - Hair Remover and Procedure for Manufacturing the Same. : da en
  • US1941473A - Centrifugal speed governor : en
  • USD91262S - Design for a pillow or similar : en
  • CA338348A - Steel and alloy annealing process : en fr
  • CA338370A - Pipe cutter frame : en fr
  • CA338384A - Crank shaft forming machine : en fr
  • CA338343A - Conductor supporting and insulating connection : en fr
  • DE590566C - Process for sintering cement : de en
  • CA338350A - Pulp article drying apparatus : en fr
  • US1942388A - Hose reel and similar device : en
  • US1941602A - Photographic camera : en
  • US1941873A - Pyrophoric lighter arrangement : en
  • US1942061A - Wound treating material : en
  • US1942265A - Straight-line cooking top range or stove : en
  • US1941930A - Method and means for replacing railroad rails : en
  • US1941947A - Cylinder head assembly for internal combustion engines : en
  • US1941845A - Means for the operation of pumping : en
  • DE590590C - Device for synchronizing synchronous machines : de en
  • DE590234C - Method of purifying trinitrotoluene : de en
  • ES131682A1 - A clamping device between threaded bolt and its complementary element. : en es
  • IE12839L - Electric discharge tubes : en
  • FR42918E - Manufacturing process of endless flat wire rope tapes : en fr
  • ES2211U - A toy (Machine-translation by Google Translate, not legally binding) : en es
  • US1941763A - Torque stabilizer spring : en
  • US1942069A - Apparatus for cutting wire into lengths : en
  • US1942347A - Liquid dispensing apparatus : en
  • US1941553A - Apparatus for illuminating clock dials and the like : en
  • US1942294A - Circuit breaker : en
  • USD91281S - Design for a spoon or similar article : en
  • DE590509C - Measuring image chamber, especially cinema theodolite : de en
  • DK48216C - Fuel for Diesel Combustion Engines. : da en
  • CA338278A - Wall cabinet : en fr
  • CA338361A - Digester system : en fr
  • US1941538A - Container for iced cake : en
  • CA338347A - Refined distillate production : en fr
  • CA338342A - Safe and vault : en fr
  • US1942390A - Process for making benzoic acid : en
  • CA338286A - Lantern and lamp : en fr
  • US1942085A - Air conditioning device : en
  • US1942246A - Water tight bag : en
  • US1942387A - Desk : en
  • FR757832A - Film drive mechanism : en fr
  • US1941811A - Core pulling and ejecting mechanism : en
  • US1941812A - Machine for the production of a plurality of substantially similar units : en
  • US1941981A - Scale : en
  • US1942120A - Hydrogenation system : en
  • CA338357A - Detergent composition : en fr
  • US1941683A - Booster pump apparatus for fire extinguishing systems : en
  • US1941753A - Holder for microscopes : en
  • US1942272A - Lift-hand truck : en
  • CA338420A - Sulphurized cinchona bark inhibitor : en fr
  • GB403766A - Improvements in coal tongs and method of producing same : en
  • US1941698A - Starting gear for internal combustion engines : en
  • US1941887A - Motor vehicle control system : en
  • US1941921A - Motor operated relay : en
  • US1942013A - Insulating product : en
  • US1942191A - Process for the heat treatment of liquids : en
  • US1942180A - Lubricating system : en
  • US1941678A - Electric gasifier : en
  • US1941780A - Dental flask press : en
  • DE590458C - Security device against theft of motor vehicles : de en
  • IE12975L - Lighting installation : en
  • US1941759A - Applicator : en
  • US1941761A - Vaporizer for internal combustion engines : en
  • US1942151A - Trouser supporting vest : en
  • DE590339C - Detonator for anti-aircraft projectiles : de en
  • ES130886A1 - Device for the stabilization of ships. : en es
  • US1941656A - Friction brake : en
  • US1942269A - Fluid mixing device : en
  • US1942143A - Crusher : en
  • CA338311A - Sliding fastener : en fr
  • US1942328A - Padlock : en
  • US1941865A - Steam boiler and furnace therefor : en
  • US1942127A - Internal combustion engine : en
  • US1941731A - Transmission line : en
  • US1941791A - Stoker ash dumping mechanism : en
  • US1941465A - Built-up pipe fitting : en
  • US1942077A - Lubricated bearing : en
  • US1941591A - Sound transmission circuits : en
  • US1942161A - Camera mount : en
  • US1942112A - Collapsible chair : en
  • US1941816A - Electrolytic method and cell for the decomposition of water : en
  • US1942090A - Process of molding cellulose derivatives : en
  • US1941485A - Manufacture of leather : en
  • US1941540A - Thermostatic switch : en
  • US1941632A - Bottle and like vessel : en
  • DE590314C - Procedure for blocking discharge tubes and amplifiers : de en
  • DE590529C - Image projector for vehicles with an endless picture band and two angled projectors : de en
  • ES132285A1 - PROCEDURE FOR THE PREPARATION OF OLEFINIC ALCOHOLS AND THEIR DERIVATIVES : en es
  • US1941570A - Store front sash : en
  • US1941923A - Beater element for pulverizing apparatus : en
  • US1942374A - Process of distilling tar and recovering oils with apparatus therefor : en
  • US1941732A - Diverting energy from transmission lines : en
  • US1942029A - Disk brake : en
  • DE590510C - Evaluation device for recordings from aircraft : de en
  • FR757881A - Method and device for cleaning liquids by centrifugation : en fr
  • GB404295A - Improvements in and relating to grabs : en
  • DE590604C - Screw-on edge protection for stairs or similar structural parts : de en
  • US1941461A - Manufacture of sugar : en
  • US1942109A - Process of preparing peanut flour : en
  • CA338373A - Sheet rubber product : en fr
  • US1941877A - Exercising ball : en
  • US1941995A - Rubber spring : en
  • US1942312A - Shoe heel : en
  • US1941853A - Shoe : en
  • US1942034A - Road building machine : en
  • ES132499A1 - Procedure with its corresponding means for welding or metallizing metals. : en es
  • DE590374C - Electric stove with thermal protection of the hotplates, which protrude slightly from the hotplate, against the hotplate : de en
  • ES2210U - Template for footwear. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403840A - Improvements in sensitising silver halide emulsions : en
  • US1941885A - Steam condenser controls for moving vehicles : en
  • US1941948A - Device for use in waving or curling the hair : en
  • US1941558A - Combined receptacle and tray : en
  • US1942241A - Liquid level controlling means : en
  • US1941871A - Container : en
  • CA338421A - Pulp moulding machine : en fr
  • US1941936A - Smoke eliminator and fuel : en
  • US1941943A - Sewing machine : en
  • CA338295A - Vapour generator : en fr
  • DE590419C - Gas generator for carburized water gas : de en
  • GB403730A - Improvements in or relating to thermionic valve arrangements : en
  • GB403791A - Improvements in supporting devices for railway rails : en
  • CA338328A - Non-microphonic tube : en fr
  • DE590556C - Method and device for removing hydrogen sulfide from gases : de en
  • US1941686A - Steam boiler : en
  • CA338280A - Coating material : en fr
  • US1942052A - Method of and instrument for measuring surge currents : en
  • US1941928A - Material for scouring devices : en
  • US1942206A - Engine : en
  • US1941471A - Mixing device for gases carrying : en
  • US1942205A - Blackboard eraser : en
  • US1941705A - Radiator : en
  • ES132299A1 - Improvements in the manufacture of fuel briquettes, based on carbonaceous material. : en es
  • US1941624A - Photographic apparatus : en
  • US1941543A - High frequency radio signaling apparatus : en
  • CA338321A - Electrolytic apparatus for sheet metal : en fr
  • US1941679A - Line-casting mold : en
  • US1942277A - Portable agitator : en
  • US1942176A - Lock : en
  • DE590256C - Process for the production of weatherproof phosphors : de en
  • US1941481A - Single thread sewing machine : en
  • US1942165A - Photo-electric tube : en
  • CA338362A - Foot corrective shoe : en fr
  • US1941743A - Sewing machine : en
  • US1941916A - Combined keyboard transmitter and perforated tape transmitter : en
  • US1941959A - Slip and method of making same : en
  • CA338292A - Heat exchanger : en fr
  • US1941453A - Automatic pump : en
  • US1942016A - Saw filing device : en
  • DK48226C - Device for Conversion of Coke Element Boilers for Firing with Fine-grained Fuel. : da en
  • CA338382A - Line spacing mechanism : en fr
  • DE590462C - Plant for the production of dried potatoes : de en
  • ES1764Y - Covers faucets for gas cookers : en es
  • CA338314A - Hydraulic valve : en fr
  • GB403875A - Improvements in charging systems for storage batteries : en
  • GB403822A - Improvements in stringed musical instruments : en
  • US1942152A - Process of weaving : en
  • US1941626A - Process of decolorizing heavy spar : en
  • US1941920A - Motor-operated relay : en
  • US1942116A - Combined blow-out patch and plug : en
  • CA338256A - Coating apparatus : en fr
  • US1941793A - Retting process of textile materials : en
  • DE590340C - Control device for church bells mechanism : de en
  • ES130183A1 - Apparatus to avoid the projection of mud and splashes by the wheels of the vehicles of mechanical traction. : en es
  • GB403823A - Improvements in or relating to internal combustion engineelectric power units : en
  • GB403849A - Improvements in apparatus or plant for filtering liquids : en
  • CA338353A - Separable fastener : en fr
  • US1942218A - Mechanism for manufacturing tensionless low-twist wire ropes : en
  • GB403889A - Improvements in or relating to turbines or the like : en
  • CA338331A - Asphaltic coating composition : en fr
  • CA338265A - Collar support and necktie retainer : en fr
  • CA338285A - Tamper-proof seal : en fr
  • CA338396A - Phonograph record manipulating machine : en fr
  • DE590381C - Heating pads, radiators, heating containers, etc. : de en
  • US1941526A - Induction welder : en
  • FR757774A - Improvements to machine guns and automatic gas-operated firearms : en fr
  • GB403790A - Improvements in or relating to thermally controlled switch operating mechanism : en
  • US1941783A - Indenting paper : en
  • ES132323A1 - Improvements in radio-frequency amplifiers. : en es
  • GB403961A - Treatment of iron pyrites for recovery of sulphur and formation of iron oxide : en
  • GB403813A - Improvements in or relating to electric discharge devices and circuits associated therewith : en
  • US1941652A - Convertible excursion outfit : en
  • US1941907A - Seat attachment for dental chairs and the like : en
  • ES2195U - Adjustable portable screen for reflector for indirect electric lighting. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757753A - Process for the treatment of rails or very long parts, with a view to their hardening : en fr
  • FR757997A - Tool holders with interchangeable combs for metalworking, e.g. for turning, threading, boring pipes, etc. : en fr
  • GB403798A - Improvements in and relating to handles for domestic vessels : en
  • US1941697A - Transfer : en
  • FR757870A - Recorder for phonograph records : en fr
  • GB403750A - Improvements in the manufacture and production of artificial materials : en
  • GB403887A - Machine for removing wool from dead skins : en
  • FR757900A - Apparatus for heating liquids : en fr
  • FR757813A - New chemicals, their preparation processes, and their applications, in particular as colorants and as photographic sensitizers : en fr
  • FR42915E - wire-laying or cable-laying plow prop : en fr
  • US1941798A - Water cooler and method of cooling water : en
  • ES132316A3 - A procedure for manufacturing rubber footwear. : en es
  • CA338391A - Road guard : en fr
  • US1941767A - Industrial truck : en
  • ES2193U - A device for closing containers for liquids (Machine-translation by Google Translate, not legally binding) : en es
  • GB403925A - Improvements in or relating to trolley bases for electric vehicles : en
  • GB403788A - Improvements relating to sparking plugs : en
  • GB403852A - Improved surface-filled paper and processes for making the same : en
  • GB403837A - Improvements in underfeed stokers : en
  • DE590367C - Machine for writing shorthand and plain text for all languages : de en
  • DE590432C - Process for the preparation of addition compounds of hypochlorous or interruptive acid with organic compounds : de en
  • DE590507C - Stand clamp : de en
  • DE590320C - Electric saucepan with removable heating element : de en
  • DE590423C - Double-acting two-stroke internal combustion engine : de en
  • CA338324A - Button making means : en fr
  • GB403726A - Improvements in or relating to a method for providing golf balls with a hardened surface finish : en
  • GB403886A - Improvements in gear grinding machines : en
  • FR757859A - Safety razor : en fr
  • US1941836A - Paper articles of apparel : en
  • US1942288A - Cooling unit : en
  • GB403918A - Improved method of cutting jacquard cards : en
  • US1942248A - Container for adhesive and the like : en
  • DE590542C - Tank bullet : de en
  • DE590478C - Shell iron for the pit lining : de en
  • DE590244C - Process for increasing the image brightness of zone-wise scanned and composite television images : de en
  • GB403764A - Improvements in water softening, purifying and like apparatus : en
  • FR42902E - Improvements to temperature regulators : en fr
  • US1941533A - Indicator for aircraft : en
  • US1941795A - Thermostat : en
  • DE590338C - Barrel replacement device : de en
  • DE590451C - Enhanced cinematographic film and process for making it : de en
  • GB403727A - Improvements in or relating to gas, electric and like fires or radiators and the fabrication thereof : en
  • CA338379A - Aluminum coating : en fr
  • DE590332C - Device for cooling the valves and their seats in internal combustion engines : de en
  • DE590574C - Method and device for the production of low-alcohol or non-alcoholic beverages : de en
  • CA338374A - Tapping screw : en fr
  • ES132500A3 - Procedure for the manufacture of footwear. : en es
  • GB403921A - Manufacture of alkali alcoholates : en
  • US1941852A - Photographic gelatin layer : en
  • ES131831A1 - A procedure for the permanent waving of the hair. : en es
  • US1942153A - Electrical condenser : en
  • DE590233C - Process for the extraction of indene : de en
  • US1941725A - Electrolytic condenser : en
  • US1942185A - Door closer : en
  • FR757880A - Suspension device for bogie vehicle : en fr
  • GB403829A - Improvements in or relating to the electrical precipitation of suspended material from gases : en
  • DE590337C - Grinding tool for grinding the valve seats of internal combustion engines : de en
  • DE590493C - Process for sealing and insulating element cups : de en
  • DE590596C - Method and device for the electrical welding of suture tubes : de en
  • USD91305S - Design for a textile fabric or : en
  • US1941623A - Recovery of sulphur : en
  • US1942064A - Rotary pump : en
  • US1942207A - Truck body and method of heating same : en
  • ES132269A1 - Improvements in obtaining isopropyl alcohol. : en es
  • USD91296S - Design foe a fabric : en
  • CA338365A - High frequency transformer : en fr
  • DE590576C - Process for forming seamless tubes into conical tubes : de en
  • FR42906E - Retaining wall system : en fr
  • GB403824A - An improved method of and apparatus for charging gas generators and the like : en
  • DE590519C - Seed machine with rotating drum : de en
  • US1942187A - Fuel vapor and air mixer : en
  • US1941736A - Process of producing plastic pictures from metal foil : en
  • US1941994A - Gear pinion : en
  • US1942082A - Refrigerated meat grinder : en
  • FR42943E - Gasifier for the use of heavy oils in gasoline engines : en fr
  • GB403733A - Improvements in locks for the doors of safes, strong rooms and the like : en
  • ES2220U - Metallic closure device for spherical body bottles for packaging confectionery and chocolates. (Machine-translation by Google Translate, not legally binding) : en es
  • US1941509A - Bag : en
  • US1941742A - Louver-type radiator grille : en
  • FR42933E - Improvements to signaling and control devices for vehicles or railroad trains and others : en fr
  • FR757990A - : fr
  • DE590283C - Switching relay to bring about a delayed switching process : de en
  • FR42907E - Improvements in home construction : en fr
  • FR757830A - Cooling device for cinematographic devices : en fr
  • ES132587A2 - IMPROVEMENTS IN THE MAIN PATENT NuM. 131115 : en es
  • GB403827A - Improvements in and relating to valve lifting devices : en
  • GB403747A - Improvements in or relating to the control of the motors of electrically propelled vehicles : en
  • FR757818A - Lighting installation : en fr
  • GB403724A - A new or improved tap or cock : en
  • CA338276A - Ice carrier : en fr
  • CA338319A - Chuck : en fr
  • GB403772A - Improvements in and relating to the conveyance of nonhomogeneous mixtures : en
  • GB403780A - Improvements in or relating to devices for cleaning the rakes of sewage screening and raking plants : en
  • ES132563A1 - A procedure for the manufacture of frames for footwear. : en es
  • ES132008A1 - Process for the preparation of aqueous solutions of heavy metal combinations of the halogenated aromatic sulphonamides. : en es
  • GB403818A - Improvements in or relating to cathode ray and so-called braun tubes : en
  • FR42909E - Dam construction system for the constitution of natural reservoirs or other applications : en fr
  • DE590600C - Bathtub for bathing and washing the buttocks and genitals : de en
  • FR757766A - Tools for brushing teeth : en fr
  • DE590408C - Ice stick-like device for stick shooting on drying tracks : de en
  • FR757790A - Lady's bag with pocket tab : en fr
  • ES2223U - Packaging for fruits mainly and in general all kinds of products particularly characterized by the closure (Machine-translation by Google Translate, not legally binding) : en es
  • DE590588C - Stand construction for radial ventilation of the stand teeth of electrical machines with stand iron layered from toothed sheets : de en
  • US1941760A - Method of producing valuable prod : en
  • US1941818A - Testing device : en
  • US1942270A - Fluid mixer : en
  • US1941639A - Waxlike substances and method of preparing the same : en
  • FR757816A - Automatic tobacco scale : en fr
  • GB404270A - Improvements in aircraft : en
  • FR757824A - Thermal and acoustic waterproof-insulating coating system for flat roofs and all other applications : en fr
  • GB403900A - Improvements relating to padded rollers for ironing machines : en
  • ES131750A1 - Improvements in the construction of anti-thermal metal blinds. : en es
  • FR757807A - Plastic laminating agent, for pastry, and its manufacturing process : en fr
  • DE590348C - Furnace for smoldering fuels : de en
  • DE590460C - Device for sharpening and honing razor blades on a trough-shaped surface : de en
  • US1942260A - Alloy : en
  • DE590466C - Vapor generator to be built into the oven wall with exchangeable sprinkler plates : de en
  • FR757866A - Improvement in ionic valves : en fr
  • DE590439C - Arrangement for fastening the stub shaft to the end faces of a rotating field magnet : de en
  • DE590632C - Process for the production of buckles or similar multi-part bodies : de en
  • FR757770A - Fixing device for reflector or diffuser glassware : en fr
  • US1941598A - Machine for turning and grinding : en
  • US1941607A - Cigarette extinguisher and ash tray : en
  • US1941644A - Transformer : en
  • US1941858A - Sewing machine attachment : en
  • US1942081A - Wind motor for wells : en
  • FR42932E - Improvements to fluid meters : en fr
  • CA338293A - Corrugating apparatus : en fr
  • GB403834A - Improvements in and relating to refrigerating apparatus : en
  • US1941918A - Valve grinding machine : en
  • US1942137A - Combined metallic base and conduit : en
  • ES131580A1 - Method to superimpose the partial images of polychrome selection and to project them giving a single image in natural colors. : en es
  • US1942382A - Electrically heated apparatus : en
  • US1941562A - Manufacture of steel : en
  • DE590526C - Device for readjusting the axial and radial play of the hollow spindles of machine tools : de en
  • GB403748A - Improvements relating to the manufacture of jars, bottles and like vessels of pottery ware : en
  • GB403848A - Washing process and apparatus for separating dust from gases : en
  • US1941797A - Radiator shell and grille assembly : en
  • US1942198A - Automatic roller clutch transmission : en
  • US1941762A - Window and door adjusting and holding mechanism : en
  • US1942101A - Lubricating device and system : en
  • ES132182A1 - A free-wheel clutch mechanism for the transmission of high loads. : en es
  • US1942297A - Vehicle signal switch : en
  • US1942365A - Machine for cutting or unrolling thongs of leather or other material : en
  • DE581631C - Device for moving the drawer : de en
  • ES132253A1 - Improvements in refrigerating machines. : en es
  • DE590499C - Vertically divided mold for the production of seamless wedding and jewelry rings : de en
  • US1942156A - Globe holder : en
  • CA338375A - Hydrocarbon gas conversion : en fr
  • CA338307A - Bathing suit : en fr
  • US1942039A - Wind signal : en
  • US1942135A - Centralized traffic controlling system : en
  • USD91283S - Casing for washing machines : en
  • US1941672A - Brake shoe and method of making the same : en
  • US1942011A - Mechanical movement : en
  • US1941462A - Method of producing coked fuel agglomerates : en
  • US1941976A - Regenerator construction : en
  • US1942355A - Apparatus for treatment with solvents : en
  • US1942035A - Process and apparatus for feeding glass : en
  • US1941837A - Device for adjusting cylinder hones and the like : en
  • US1942073A - Rotary socket for electric lamps : en
  • US1941631A - Collapsible tube : en
  • US1942186A - Motion picture reel : en
  • US1942249A - Appabatus fob producing wire : en
  • US1941720A - Potato cutting machine : en
  • US1941696A - Photographic objective : en
  • US1942252A - Device for killing flies and other insects : en
  • US1942391A - Airplane wing spar : en
  • US1941507A - Tapping apparatus : en
  • US1942163A - Bulkhead and sea-wall structure : en
  • US1942342A - Ground clamp : en
  • DE590391C - Rock drill sharpening machine : de en
  • DE590410C - Machine for the production of spirally wound springs : de en
  • US1942148A - Aircraft wing structure : en
  • US1942298A - Eyeglasses : en
  • CA338356A - Shoe protecting method : en fr
  • US1941813A - Tubing anchor : en
  • US1941905A - Grounding device for electrical wiring systems : en
  • CA338341A - Electrode for thermionic tubes : en fr
  • US1941458A - Pack holder and cutter : en
  • US1941670A - Harvester hitch : en
  • US1941869A - Depolarizing electrode : en
  • US1942359A - Windshield heater : en
  • CA338352A - Wire treating method : en fr
  • CA338414A - Naphtha gum inhibiting method : en fr
  • DE590461C - Manufacture of propeller blades and other elongated objects of irregular cross-sectional shape : de en
  • FR757888A - New method of controlling the continuous crystallization of a solid reaction product resulting from the reaction of a solid and a liquid : en fr
  • CA338336A - Lubricating oil dispensing apparatus : en fr
  • US1942271A - Sprinkler : en
  • DE590534C - Recording filter for a cinematographic multi-color process : de en
  • US1941463A - High tension electric distributing system and apparatus : en
  • US1941689A - Motor fuel : en
  • US1942144A - Rod handling apparatus : en
  • CA338351A - Steel article manufacture : en fr
  • CA338410A - Liquid applying means : en fr
  • US1942078A - Electric illuminating apparatus : en
  • US1942243A - Plate depositing table for casting machines : en
  • US1942072A - Gas purification : en
  • US1941840A - Tool clamp : en
  • US1942138A - Train control : en
  • US1942216A - Paper carriage equipment for : en
  • US1941985A - Composite sheeting : en
  • DE590470C - Process and device for the extraction of evaporated salt : de en
  • FR42923E - Cooling process for thermal engines : en fr
  • GB403743A - Improvements in and relating to vacuum braking apparatus : en
  • GB403751A - Improvements in and relating to double doors with rebated meeting edges : en
  • US1941597A - Automatic web measuring and feeding device : en
  • US1941702A - Method of reducing sulphur compounds to elementary sulphur or hydrogen sulphide : en
  • CA338407A - Textile material production : en fr
  • US1941733A - Counting and calculating card : en
  • US1941684A - Band for jewelry purposes : en
  • US1941493A - Light sensitive circuit : en
  • US1941945A - Device for transforming motor trucks and similar vehicles into winches : en
  • US1942377A - Friction draft gear : en
  • FR757794A - Small diameter piston of the kind used in sprayers : en fr
  • CA338323A - Electric totalizator : en fr
  • US1941956A - System of electrodes for electric glow discharge tubes : en
  • US1942320A - Window balancing device : en
  • CA338397A - Waste material disposal system : en fr
  • ES132504A1 - Husking machine for almonds, nuts and other similar fruits. : en es
  • US1941605A - Strap release for casket and burial vault lowering devices : en
  • US1941889A - Pipe clamping device : en
  • US1942022A - Railway shipping container : en
  • US1942213A - Pipe support : en
  • US1942257A - Steam boiler : en
  • DE590627C - Belt conveyor device for discharging material to be conveyed from a hopper arranged above the conveying surface : de en
  • US1941932A - Lock : en
  • US1942200A - Window construction : en
  • US1942255A - Primer for gas engines : en
  • CA338346A - Carbureter : en fr
  • US1941778A - Method of and apparatus for making glass : en
  • US1941856A - Hose connection : en
  • US1942295A - Reversible-cycle heating and cooling system : en
  • ES132571A3 - Procedure for the construction of pavements. : en es
  • US1942197A - Reversible freewheel clutch transmission : en
  • US1942319A - Dump body : en
  • US1941625A - Dark slide : en
  • DE590521C - Washing device for field crops : de en
  • FR757791A - Mechanical spinning broom : en fr
  • ES2194U - Screen with reflector for indirect electric lighting without shade. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590236C - Process and apparatus for the production of carbohydrates such as saccharates from aldehyde, e.g. B. formaldehyde : de en
  • FR42913E - Improvements in the fuel treatment and fabrication processes and means for implementing these improvements : en fr
  • FR42950E - Consolidation and waterproofing process for soil layers and rock masses : en fr
  • GB403770A - A method for improving the combustion of fuels : en
  • CA338279A - Inflatable rubber goods : en fr
  • US1942104A - Process of extracting rotenone from plant material : en
  • US1942230A - Safety screen for motion picture apparatus : en
  • DE590201C - Universal joint, in particular for driving the drive wheels of motor vehicles : de en
  • ES132040A1 - Device for the production of high voltage alternating current, especially for light tubes, medical devices and the like. : en es
  • FR42917E - Device for unwinding cables from their reels or coils, for laying lines : en fr
  • FR757885A - Improvements to low-capacitance self-inductance coils : en fr
  • US1942021A - Apparatus for carrying out exothermic chemical reactions : en
  • US1942344A - Obstetrical table : en
  • US1941728A - Tobacco stringing lath holder : en
  • IE13286L - Vertically-rising aircraft : en
  • DE590568C - Drilling dust precipitation device : de en
  • ES132307A3 - Improvements in the manufacture of light metal pistons for combustion engines. : en es
  • GB403914A - Improvements in rotary motors : en
  • ES2215U - Improved device for closing bottles and jars to contain soft drinks (Machine-translation by Google Translate, not legally binding) : en es
  • GB403853A - Improvements in door supports : en
  • US1941500A - Internal combustion engine-electric installation for vehicles : en
  • ES1851U - Closing mechanism comprising a fixed lid rotating on a base. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757861A - Improvement in cooking in their food cans : en fr
  • DE590527C - Machine tool, in particular jig drilling machine, for drilling, milling or grinding : de en
  • US1941714A - Waste and overflow fitting : en
  • DE590472C - Process for the preparation of trisazo dyes : de en
  • US1941825A - Heating apparatus for automotive vehicles : en
  • US1941833A - Road-grading machine : en
  • US1942340A - Portable desk top : en
  • DE590426C - Device for synchronizing circulating distributors in transmitting and receiving stations, between which several measured quantities are transmitted by means of impulses, the frequency of which corresponds to the quantity to be measured remotely : de en
  • ES2219U - Own metal container for the preparation of cookies, dry pasta and other similar pastry products. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403826A - Improvements in and relating to locks : en
  • GB403932A - Improvements in or relating to the joining together of sections of metal pipe provided with one or more thin metal coverings : en
  • CA338296A - Amusement device : en fr
  • ES132302A1 - A device that can be coupled to cars that allows the suppression of the pedals, facilitating their driving and being able to be driven by invalids of the abdominal extremities. : en es
  • US1941748A - Slug casting machine : en
  • US1942054A - Process of purifying a hydrocarbon gas and a hydrocarbon oil : en
  • US1942384A - Method of and instrument for measuring surge currents : en
  • GB403800A - Improvements in and relating to electric cooking apparatus : en
  • CA338364A - Radio gain control : en fr
  • US1942031A - Self lubricating valve : en
  • CA338306A - Writing machine platen roll : en fr
  • FR757868A - Wood and metal seat : en fr
  • ES131946A1 - New procedure for browning biscuits, cakes, bread and similar products. : en es
  • FR757882A - Process for the production of leuconic acid esters of sulfuric acid based on tank dyes : en fr
  • US1941773A - Electric battery connection : en
  • US1942154A - Animated track diagram for railway systems : en
  • DE590592C - Device for forcing a central entry of the arc into the arc guide sheaths surrounding the anodes of mercury vapor rectifiers : de en
  • DE567618C - Claw oil replacement : de en
  • FR757810A - Plant and process for cracking and distillation of hydrocarbon oils, tars, etc. : en fr
  • GB403820A - Improvements in or relating to electric liquid heating receptacles : en
  • US1941847A - Envelope : en
  • US1941917A - Means of determining the evenness of textile threads : en
  • US1942299A - Adhesive and film forming composition : en
  • USD91290S - Design for a radiocabinet or the : en
  • US1941618A - Multiple system : en
  • GB404004A - Improvements in or relating to the scouring, cleaning or performance of like operations on shoes or parts therefor : en
  • USD91277S - Design for a ntjt cracker : en
  • ES132590A1 - Improvements in the methods of preparing concrete and hydraulic cement. : en es
  • US1941931A - Lay for bobbin changing looms : en
  • USD91287S - Design fob a blackboard : en
  • US1941764A - Universal joint : en
  • USD91279S - Design for a spectacle frame : en
  • GB403744A - Improvements in and relating to turnstiles : en
  • DE584658C - Device for the production of envelopes, paper bags or the like. : de en
  • DE587353C - Weatherproof silver mirror and process for its manufacture : de en
  • DE590471C - Clock spring, preferably for the buffers of railway vehicles : de en
  • FR757760A - Hydraulic force transmission device : en fr
  • US1941884A - Conversion of hydrocarbons into those of lower boiling point : en
  • US1942368A - Hydraulic pedal depressor : en
  • ES132537A1 - A method of manufacturing covers for the wheels of motor vehicles. : en es
  • FR42946E - Advanced heavy oil burner : en fr
  • GB403885A - Improvements in hoisting apparatus : en
  • FR757863A - Process for obtaining diazotypies : en fr
  • GB403896A - Improvements in flexible instruments for examining tubes and cavities in the human and other bodies : en
  • GB403962A - Improvements in and relating to a cleaning device or material for windows, silver and other articles : en
  • FR757854A - Button to cover with fabric : en fr
  • FR757894A - Time coupling device : en fr
  • GB403884A - Windows, particularly stained glass windows for churches and other buildings of reinforced concrete, and a process for their production : en
  • FR757758A - Ultra-short wave generator for high power : en fr
  • ES131810A1 - A method of construction of a roller shutter and shutter whose tablets are protected by a metal casing. : en es
  • ES2185U - Overlapping cannons for hunting shotguns, united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757772A - Lighting installation : en fr
  • US1941722A - Hobby horse : en
  • US1942321A - Submarine cable : en
  • FR757817A - Process for the preparation of disazo dyes capable of being chromed : en fr
  • US1942170A - Fluid heating apparatus : en
  • US1942324A - Scissors and method of manufacturing the same : en
  • CA338411A - Phonograph needle : en fr
  • GB404277A - Improvements in or relating to the ventilation of dynamo-electric machines : en
  • US1942183A - Diaphragm for electrolytic cells : en
  • CA338387A - Railway truck : en fr
  • US1941492A - Anchor for refractory furnace linings : en
  • US1941829A - Conveyer : en
  • US1941694A - Alarm device : en
  • CA338339A - Rail clamping means : en fr
  • US1942131A - Separation of gas mixtures : en
  • USD91272S - Design fob a toilet table ob similab : en
  • CA338363A - Amplifying circuit : en fr
  • US1941801A - Motorcycle protecting guard : en
  • US1942071A - Process of purifying hydrocarbon oil from hydrogen sulphide : en
  • US1942381A - Fluid cleaning apparatus : en
  • US1942083A - Refrigerated meat grinder : en
  • US1942047A - Arc welding : en
  • US1942105A - Apparatus for the lighting of luminescent tubes : en
  • US1941998A - Bread box : en
  • US1942049A - Safety razor and stropping attachment : en
  • US1942343A - Dial for various apparatus : en
  • US1942032A - Fruit shipping carton : en
  • USD91300S - Design for an automobile radiator : en
  • US1941938A - Conveying apparatus : en
  • USD91304S - Design for a textile fabric or : en
  • US1941914A - Electrochemical process for the recovery of metals from ores and other metal bearing materials : en
  • US1942310A - Lid connection : en
  • DE590554C - Process for dyeing cellulose esters : de en
  • GB404300A - Process for deoxidizing steel : en
  • US1941552A - Apparatus for automatically controlling the weight of glass articles made by the gob feed automatic machine process : en
  • ES132287A1 - A single-wheel trailer for cars and similar vehicles. : en es
  • ES2216U - Hanger for soap bars. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403757A - Improvements in ladders for fire escapes, water towers and the like : en
  • GB404009A - Improvements in or relating to knitted articles of clothing : en
  • FR757751A - Reversible cuff or cuff enhancements : en fr
  • GB403819A - Improvements in or relating to solid fuel heating apparatus : en
  • ES132303A1 - Apparatus for the projection of advertising images and others. : en es
  • FR757848A - Advanced handle for golf clubs or similar rods : en fr
  • DE590467C - Process for cooling and subsequent drying of dry coal : de en
  • FR757834A - Valve injector for masonry joints and the like : en fr
  • ES1867Y - Bath for the eyes. : en es
  • DE590353C - Device for measuring or regulating the speed : de en
  • DE590446C - Processes and devices for regulating the ventilation and heating of rooms of all kinds : de en
  • US1941579A - Convertible screen and table : en
  • DE590560C - Process for the production of boxes covered with metal foils and similar packs pressed from cardboard : de en
  • US1942238A - Apparatus for grading mushrooms : en
  • US1941536A - Hard vegetable fiber product of high strength and process of making same : en
  • USRE19038E - Induction compass : en
  • ES131298A1 - Improvements in the projectiles. : en es
  • DK48236C - Device for Diffusion Batteries for Extraction of Sugar or Other Vegetable Products. : da en
  • US1941596A - Valve shield : en
  • US1941717A - Sanitary appliance : en
  • US1941745A - Measuring dispensing bowl or receptacle : en
  • US1942126A - Variable pitch propeller : en
  • ES132300A1 - Improvements in the manufacture of fuel briquettes, based on carbonaceous material. : en es
  • CA338267A - Textile product impregnating process : en fr
  • CA338418A - Calcium chloride : en fr
  • US1942323A - Gas analyzer : en
  • DE590524C - Self-closing valve, especially for dense liquids, with a snap-action device that holds the valve in the open position and is triggered by a deformable housing or the like under suction : de en
  • ES2192U - Hold breasts or bra for lady. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403843A - Improvements in or relating to resonating apparatus associated with loud-speakers and sound diffusers : en
  • US1941455A - Gas generator : en
  • US1941528A - Box : en
  • US1942097A - Control for pressure feed lubricating systems : en
  • GB403806A - Improvements in and relating to steel alloys : en
  • GB403868A - A process for the manufacture of tea free from theine or caffeine : en
  • FR757814A - Method and device for the production of granulated materials : en fr
  • FR757897A - : fr
  • FR757759A - Device for hydrotherapeutic treatment of animals : en fr
  • FR757804A - : fr
  • GB403908A - Improvements in and relating to electric heater resistances : en
  • GB403830A - Improvements in and relating to vices : en
  • FR757844A - Vending machine : en fr
  • GB403894A - Improvements in or relating to filing registers : en
  • DE590359C - Disc roller grate : de en
  • GB403782A - Improvements in trucks or the under structure of tramway, railway and other vehicles : en
  • US1941494A - Light sensitive device : en
  • US1941608A - Rolling magnesium alloy : en
  • USD91307S - Design fob a textile fabric ok : en
  • US1941902A - Baby carrier : en
  • US1942261A - Alloy : en
  • ES2179U - Shoemaker's last (Machine-translation by Google Translate, not legally binding) : en es
  • FR757884A - Coating, coating or their equivalent for surface protection : en fr
  • DE590354C - Überwendlichnaehmaschine for bags, floor and bed carpets with two grippers : de en
  • FR757874A - Improvements to the buttresses and manufacturing process : en fr
  • GB403892A - Process for the manufacture of derivatives of di- or trimethoxy-and -ethoxy-benzoic acids : en
  • DE590409C - Universal rolling mill : de en
  • ES130759A1 - A system of frame of special adaptation to light cars for running on railway. : en es
  • ES2187U - Device breakers, pinions and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42910E - Induction furnace cooling improvements : en fr
  • FR757869A - Tapping device for liquids and viscous materials : en fr
  • DE590333C - Pouring bung for iron and wooden barrels : de en
  • US1941860A - Automobile trunk : en
  • ES132305A1 - Improvements in the manufacture of crimps of iron barrels. : en es
  • DE590291C - Punching machine : de en
  • GB403722A - Improvements in or relating to the manufacture of cases, boxes or crates of timber or the like comprising toothed metal binding strip, and a method of producing the strip : en
  • GB403907A - Improvements in stockings or the like : en
  • US1942214A - Captive cap : en
  • US1942184A - Window shield wiper : en
  • FR757827A - Popular washing machine : en fr
  • GB403832A - Improvements in or relating to electrical oscillation generating arrangements : en
  • DE590235C - Process for the production of cellulose esters which contain halogen-substituted fatty acid groups : de en
  • US1941566A - Supporting structure for use in the production of floors and the like : en
  • US1941719A - Cushioned egg box : en
  • US1942060A - Method of cooling composition tile : en
  • US1941548A - Lawn edge trimmer : en
  • US1941756A - Roller abstractor : en
  • US1941892A - Process for manufacturing metal clips : en
  • US1942065A - Method of and instrument for measuring surge currents : en
  • CA338327A - Railway crossing slab : en fr
  • DE590335C - meat grinder : de en
  • US1942157A - Testing apparatus for train control devices : en
  • US1942194A - Bearing : en
  • US1941578A - Drainage control : en
  • US1941809A - Art of hydrogenating and distilling oil shale : en
  • DE590226C - Process for the nodulation or graining of raw materials for cement production : de en
  • DE590397C - Control device for a self-adjusting fluid transmission for motor vehicles equipped with two pump sets and a central distributor plate : de en
  • DE590514C - Support or guide arm for pickups on speaking machines : de en
  • DE590536C - Apparatus for measuring density and copying photographic negatives : de en
  • ES131870A1 - A spray device for carburetors. : en es
  • CA338302A - Musical toy : en fr
  • CA338313A - Liquid purifying process : en fr
  • US1942020A - Oil well pump : en
  • DE590605C - Process for processing resinous over-vulcanized products obtained from rubber solutions : de en
  • US1942095A - Wood barking machine : en
  • US1942259A - Combination lock bolt : en
  • US1942371A - Method of distilling tar : en
  • CA338260A - Fishing fly holder : en fr
  • DE590328C - Filler pen : de en
  • US1941770A - Crusher : en
  • US1941942A - Sewing machine : en
  • US1941638A - Coin slide : en
  • US1941827A - Granulating machine : en
  • US1942178A - Fuse plug adapter : en
  • US1942258A - Test block for meters : en
  • US1942329A - Roller head with endless belts for : en
  • ES2189U - Hygienic chicken coop with mechanical device for feeding, cleaning and providing water. (Machine-translation by Google Translate, not legally binding) : en es
  • US1941961A - Automobile radio set : en
  • CA338304A - Train control apparatus : en fr
  • US1941990A - Lamp coating : en
  • ES132567A1 - A stop mechanism for mechanical looms that acts directly on the fulcrum. : en es
  • GB403778A - Improvements in or relating to permanent magnets : en
  • US1941469A - Lighting fixture : en
  • US1942229A - Razor sharpening device : en
  • US1942284A - Electric insulator : en
  • US1942290A - Refrigerator lighting structure : en
  • ES132312A1 - Improvements in the production of strong and impermeable rubber materials. : en es
  • FR757812A - Toy vehicle on wheels : en fr
  • GB403737A - A new and improved apparatus for playing a game : en
  • US1942305A - Typewriting machine : en
  • ES131668A3 - A process for the production of compound fertilizers based on ammonium nitrate, suitable for spreading. : en es
  • GB403760A - Improved non-slip wheel for tractors and the like : en
  • US1942076A - Self-starting synchronous motor : en
  • US1942096A - Control for pressure feed lubricating systems : en
  • US1942141A - Railway track circuits and relay therefor : en
  • DE590310C - Process for removing hydrogen cyanide from gases : de en
  • DE590418C - Energy direction relay in three-phase networks with two coupled measuring units : de en
  • US1942062A - Process of refining a benzenoid : en
  • DE590571C - Recovery bucket : de en
  • CA338269A - Carton : en fr
  • US1941490A - Process and mechanism for separating intermixed divided materials : en
  • US1941628A - Scanning method and apparatus : en
  • US1941939A - Nut husking machine : en
  • US1941468A - Belted coat : en
  • ES131927A3 - Fabrics manufacturing process, specially prepared for later use as frameworks of elastic materials. : en es
  • FR757867A - Process for the preparation of higher fatty acid amides : en fr
  • CA338383A - Temperature controlled apparatus : en fr
  • US1942219A - Window lock fastener : en
  • US1941508A - Knitted mitten and method of making the same : en
  • FR757887A - Device transmitting, through one or more tubes, the light emitted by a single luminous focal point : en fr
  • US1942386A - Process for producing diphenyl mono-sulphonic acid : en
  • US1941903A - Auxiliary knitting needle : en
  • US1942275A - Agitator for sifters : en
  • US1942023A - Interrupter : en
  • US1941984A - Cut-out for series lamps : en
  • US1942057A - Device for heating windshields or the like : en
  • US1941882A - Wire spring fabric : en
  • US1941971A - Mercury switch : en
  • DE590373C - Device for the automatic maintenance of the voltage of DC machines : de en
  • US1941754A - Web cutting and sheet forwarding mechanism : en
  • US1942303A - Screen : en
  • US1942322A - Knitting machine : en
  • GB403771A - Improvements relating to electric horns : en
  • US1941891A - Conveyer system : en
  • US1942088A - Adjustable strut for stagings : en
  • FR42922E - Lighters improvements : en fr
  • ES2201U - Container with valve closure under hermetic seal. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403899A - Improvements in and relating to radiant heat installations : en
  • GB403971A - Improvements in and relating to wristlets, bracelets and the like and to attachments therefor : en
  • FR757763A - Process for making fatty glycerides containing more combined glycerin than ordinary glycerides : en fr
  • ES1659Y - Rotating support for dyeing skeins. : en es
  • FR757765A - Improvements in the means for distributing flat coins, in particular those for coins : en fr
  • FR757803A - Shoe : en fr
  • FR757840A - Closure of collars of shirts or the like : en fr
  • FR757890A - Improvements relating to a balancing device : en fr
  • US1941695A - Alarm device : en
  • US1941739A - Fishing reel : en
  • FR757764A - Improvements made to windows (patio doors, doors, etc.), established using metal profiles, especially those for buildings : en fr
  • GB403793A - Improvements in machines for seaming bottoms and covers for receptacles, especially those of large size : en
  • GB404615A - Improvements in elastic equipoising mechanisms : en
  • GB404331A - Improvements in or relating to the manufacture or treatment of products or articles having a basis of cellulose derivatives : en
  • DK48235C - Apparatus for Apparatus for Emptying Ointment Containers. : da en
  • ES132591A1 - An improved process for the manufacture of tire covers. : en es
  • GB403839A - Improvements in weighing scales : en
  • DK48217C - Procedure for Improving the Magnetic Properties of Coil Cores and Curl Coils. : da en
  • US1941895A - Filter : en
  • CA338289A - Acoustic wall : en fr
  • US1941567A - Circuit breaker : en
  • US1942175A - Shock absorbing mechanism : en
  • US1942193A - Electric energy indicating instrutment : en
  • ES1761Y - Special container or container for pharmaceutical products, particularly for castor oil. : en es
  • US1942203A - Furnace radiator : en
  • DE590559C - Device for regulating the volume of musical instruments : de en
  • ES132314A1 - A tachometer recorder. : en es
  • US1941479A - Automatic vacuum regulator : en
  • US1941977A - Grinding device : en
  • US1941572A - Conveying apparatus : en
  • US1942008A - Typewriting machine : en
  • US1942356A - Electrodeposition of chromium : en
  • CA338284A - Moulded pulp article : en fr
  • CA338390A - Tape pulling device : en fr
  • FR757756A - Coupling head allowing coupling in two different ways and particularly intended for steam-heated couplings of railway vehicles : en fr
  • US1941573A - Conveying system : en
  • US1941685A - Printing machine : en
  • US1942006A - Toy : en
  • US1942118A - Gauge : en
  • CA338298A - Two cycle engine : en fr
  • US1941456A - Grinding gauge : en
  • US1942018A - Resilient wheel : en
  • US1941919A - Grate : en
  • US1942045A - Antibandit electric time lock : en
  • US1942063A - Meter testing device : en
  • US1942235A - Method and relative device for applying brakes to aeroplane wheels : en
  • CA338334A - Sound reproduction system : en fr
  • GB403738A - Improvements in the manufacture of staple fibre yarns from continuous filaments : en
  • GB403924A - Improvements in railway vehicles : en
  • US1941986A - Conveyer truck loader : en
  • US1942149A - Airplane body : en
  • GB421808A - Improvements in fuel injection pumps : en
  • CA338378A - Fuel gas apparatus : en fr
  • GB403947A - Improvements in electric condensers : en
  • US1941894A - Drilling machine : en
  • US1942172A - Pile-forming and delivery means : en
  • US1942212A - Method of merchandising preserved fruits : en
  • US1941909A - Operator for ventilators : en
  • US1942233A - Window back rest : en
  • US1941776A - Sound unit : en
  • US1941814A - Well trap : en
  • US1942171A - Separable snap fastener socket : en
  • US1942283A - Eraser holder : en
  • US1941514A - Box : en
  • US1942189A - Mechanism for controlling engine valve mechanisms : en
  • DE590424C - Two-stroke internal combustion engine with cross-flow or reverse flow flushing and a plurality of flushing slots of different cross-sections : de en
  • ES130884A3 - A new device for fishing at the mouth of rivers. : en es
  • ES1489Y - Cap or capsule with an appendix that facilitates its opening in the container that is applied. : en es
  • ES131827A1 - A procedure for the manufacture of a special sweet. : en es
  • ES132578A1 - A mechanical system to mount connections or outlets in pressure pipes. : en es
  • FR757755A - Vertical post for window frames and other similar applications : en fr
  • GB403936A - Improvements in flow controlling devices : en
  • FR42930E - lock nut : en fr
  • GB403784A - A new or improved protective cover for books and the like : en
  • US1942228A - Means for holding articles : en
  • US1941675A - Display stand : en
  • US1942232A - Combination control and gate valve : en
  • GB403746A - Improvements in or relating to studs : en
  • CA338413A - Calcium sulphate plaster : en fr
  • US1941636A - Radioantenna : en
  • US1942038A - Corset : en
  • US1942334A - Attachment for removing cigarettes from cigarette packages : en
  • US1942125A - Window sash : en
  • ES132497A1 - A complementary device to avoid excessive accumulation of the masses of slices in the diffuser and reduce the pressure on the sieve of the same. : en es
  • US1942375A - Method of coal and tar distillation : en
  • DE590440C - Arrangement for controlling several synchronous machines working in parallel : de en
  • GB403946A - Improvements in or relating to prepayment gas meters : en
  • DE590456C - Spreader lever with symmetrical force distribution for shoe brakes of motor vehicles : de en
  • US1941691A - Method of vulcanization : en
  • ES2196U - A soap-saving scrubber device (Machine-translation by Google Translate, not legally binding) : en es
  • FR757769A - Improvements to magazines or chargers for cinematographic cameras : en fr
  • DE590377C - Inclined grate firing with upstream drying shaft and a fire vault projecting over the lower end of the grate : de en
  • ES132370A1 - Device for the regulation of the intensity and voltage for mono and polyphase transformers. : en es
  • GB403909A - Improvements in portable hangers for clothes and other articles : en
  • US1941606A - Metallurgical apparatus : en
  • CA338310A - Combustible organic substance gasifying apparatus : en fr
  • US1941616A - Aircraft control system : en
  • US1942001A - Shoe : en
  • US1942307A - Refrigerator : en
  • US1942226A - Engine : en
  • ES131985A1 - A new system for the manufacture of flush-mounted boxes for recessed electrical appliances. : en es
  • GB403977A - Manufacture and application of new products useful as assisting agents in the textile and leather industries : en
  • US1941512A - Mouthpiece for tobacco smoking devices : en
  • CA338386A - Exhaust valve seat insert : en fr
  • GB403786A - Improved record lifting means for use with automatic gramophones : en
  • CA338272A - Coated product : en fr
  • DE590483C - Method for the absorption of isobutylene : de en
  • CA338408A - Engine controlling system : en fr
  • US1941900A - Testicular extract and method of making the same : en
  • DE540850C - Method for the simultaneous transmission of letter and picture telegraphy on the same wireless connection path : de en
  • DE590484C - Steam generator with circulating evaporator : de en
  • CA338359A - Stock quotation projecting machine : en fr
  • DK48225C - Procedure for Combustion of Liquid Fuels. : da en
  • DK48231C - Device for Setting Selectors for Automatic and Semi-Automatic Telephone Systems. : da en
  • DE590167C - Process and circular knitting machine for the production of reversible clad knitwear : de en
  • ES2214U - Soap-capsule perfected for bottles and bottles intended to contain soft drinks (Machine-translation by Google Translate, not legally binding) : en es
  • FR757780A - Freewheel with two independent toothed rings : en fr
  • CA338333A - Windshield wiper : en fr
  • US1942000A - Art of curing concrete : en
  • ES1729Y - Vaults composed of several pieces for floors and ceilings in all kinds of buildings. : en es
  • CA338299A - Engine feeding system : en fr
  • GB404634A - Improvements in and relating to picture hangers : en
  • US1942317A - Metal vapor rectifier for heavy currents : en
  • USD91297S - Design for a combined clock case : en
  • ES132495A1 - A procedure for assembling letters with propellers for the construction of sheds for the reproduction of advertisements and ornaments. : en es
  • FR757877A - Silent exhaust for aircraft. : en fr
  • FR757821A - Mandatory control device in both directions, for electrical switches, inverters, combiners, etc., particularly used in t. s. f. : en fr
  • FR757879A - Device for damping noise from wheels in rail vehicles : en fr
  • DE590517C - Blood lipid analyzer : de en
  • DK48215C - Water Treatment Procedure. : da en
  • ES2171U - Mechanical and automatic device that allows you to ascend with skis on the snow without any recoil. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403812A - Improvements in or relating to apparatus for the manufacture, hardening and storing of ice cream : en
  • US1942244A - Mechanical jack : en
  • US1941627A - Remote control system : en
  • US1942086A - Fabric bag for fruits and vegetables : en
  • DE590548C - Device for emptying tubes : de en
  • IE12518L - Tapestry or embroidery : en
  • DE590425C - Carburetor : de en
  • FR42928E - Method and apparatus for mixing or emulsifying liquids : en fr
  • CA338275A - Tire chain applying machine : en fr
  • DE590498C - Cutting device, especially for foot care : de en
  • US1941924A - Apparatus for maintaining the thickness of drawn glass : en
  • FR42947E - Improvements to processes and apparatus for detecting defects in electrical conductors : en fr
  • US1942221A - Method of making propeller blades : en
  • ES132577A1 - A portable device for the direct reproduction, by means of a diffuse light, of any documents. : en es
  • FR757754A - Lighting dynamo or starter dynamo for internal combustion engines : en fr
  • US1942117A - Article separating and grading apparatus : en
  • GB403945A - Improvements in and relating to tools for holding and positioning split cotter sleeves : en
  • ES132582A1 - A procedure, with the corresponding coupling, to maintain an electric current constant. : en es
  • FR757806A - Shuttle plow strap attachment : en fr
  • US1941531A - Cigarette holder : en
  • FR757777A - Roll-out advertising device : en fr
  • ES132506A1 - A process for manufacturing wire grids for electric discharge tubes. : en es
  • US1942363A - Folding machine : en
  • USD91289S - Design for a combined cigarette con : en
  • USD91259S - Design for a touring car body : en
  • FR757875A - Method of fixing sheet bundles on the various elements of an electrical machine : en fr
  • US1941824A - See-saw swing : en
  • DK48230C - Ternær Iron Nickel Alloy with High Initial Permeability and Procedure for Treating Said Alloy. : da en
  • US1941841A - Flange construction : en
  • DE590616C - Jet pipe with changeable mouthpiece width : de en
  • FR757792A - Tilting device for automobile headlights and other uses : en fr
  • US1941692A - Indirectly heated cathode : en
  • US1941969A - Door control and operating device : en
  • US1941671A - Ductile cast iron and method of making the same : en
  • US1941516A - Left foot feed : en
  • FR42942E - Automotive device protecting against glare : en fr
  • US1941518A - Art picture : en
  • US1942108A - Hybroxy-benzo-quinoline-cab : en
  • USD91273S - Design for a dresser or similar : en
  • US1942309A - Circuit maker and breaker : en
  • CA338335A - Metal container : en fr
  • CA338258A - Moisture proofing process : en fr
  • US1941515A - Grab bucket : en
  • US1942234A - Amplifying system : en
  • CA338376A - Refrigerating apparatus : en fr
  • US1942050A - Gas purification : en
  • US1942122A - Golf club : en
  • US1941654A - Shoe lace clasp : en
  • US1942351A - Storage battery : en
  • US1941637A - Coin chute : en
  • US1942250A - Brassiere : en
  • DE590551C - Stain removers and detergents : de en
  • GB403816A - Improvements in or relating to lamp-shades : en
  • GB403857A - Thermal relay : en
  • CA338377A - Hydrocarbon decomposition : en fr
  • DE590336C - Slicer : de en
  • US1941668A - Electric control system and recording device : en
  • US1942040A - Dashpot for time lag relays : en
  • US1942251A - Hydraulic press : en
  • US1942041A - Alloy : en
  • US1941539A - Rod weeder : en
  • US1941958A - Acglutinant : en
  • FR42925E - Process for the preparation and fixing of photographic layers obtained with diazosulfonates : en fr
  • GB403825A - Improvements in excavators : en
  • GB403729A - Improvements in apparatus for producing metal binding strips for boxes, crates or the like : en
  • US1941622A - Automatic train pipe coupling head : en
  • US1941658A - Carburetor : en
  • CA338322A - Selecting system : en fr
  • US1941750A - Method of thermically coating objects of iron or steel with aluminum or aluminum alloy : en
  • US1942204A - Self cleaning dust mop : en
  • US1941576A - Combined door catch and buffer : en
  • US1942370A - Changeable head : en
  • CA338266A - Textile material production : en fr
  • CA338368A - Electrical filter system : en fr
  • GB403803A - Improvements in bag-sewing apparatus : en
  • CA338399A - Valve : en fr
  • CA338371A - Lithographic sheet roughening method : en fr
  • US1942080A - Heater for indirectly heated cathodes : en
  • US1942199A - Carburetor : en
  • USD91288S - Design for a handle : en
  • US1941972A - Double seamer : en
  • ES131845A1 - Perfections in machine guns. : en es
  • ES132289A1 - A system of lighting for vehicles. : en es
  • FR757891A - Advanced easel stand for pharmaceutical ampoules or the like : en fr
  • GB403860A - Improved processes for making magnesium hydroxide : en
  • US1941595A - Musical instrument of the viol and violin type : en
  • US1941843A - Carton : en
  • US1941937A - Filling carrier support for looms : en
  • CA338274A - Electrolytic white lead production : en fr
  • DE590382C - Backpack straps : de en
  • US1942142A - Relay : en
  • US1942211A - Combination guard and heat transfer device : en
  • US1941657A - Spring mechanism : en
  • US1941700A - Dual action deluge valve : en
  • US1942285A - Automatic adjusting system : en
  • US1941768A - Bearing : en
  • AU1071832A - Improvements in milking machine teat cups : en
  • US1942392A - Wall board joint : en
  • US1941805A - Injection engine : en
  • US1941878A - Suction gathering bottle machine with overlapping cycles : en
  • US1941660A - Dish and like washing machine : en
  • US1941769A - Impregnated fibrous block : en
  • US1941821A - Harvester : en
  • US1941842A - Brooder : en
  • US1941874A - Half-fruit pitting and coring machine : en
  • US1941925A - Liquid meter : en
  • CA338263A - Milk draining tube : en fr
  • FR757831A - Plug-in connection device for electrical devices, machines or instruments : en fr
  • GB403893A - Improvements in fountain pens : en
  • FR42903E - Vulcanizing press, particularly applicable to tire repairs : en fr
  • DE590427C - Settling device : de en
  • DE590516C - Device for determining the moisture permeability of packing or insulating materials or the like. : de en
  • US1941590A - Projectile : en
  • CA338381A - Electrically welded tubular article : en fr
  • CA338291A - Basket fastener inserting machine : en fr
  • US1942353A - Apparatus for and method of forming internal threads by stamping dies : en
  • US1942247A - Car handling apparatus : en
  • US1942314A - Body construction : en
  • US1941708A - Coating composition and film produced thereby : en
  • CA338355A - Heat treatment of metals : en fr
  • DE590606C - Protective cover for hat shapes : de en
  • US1941582A - Hoist attachment for trucks : en
  • US1941808A - Emulsifier : en
  • US1942145A - Perforating die : en
  • US1942051A - Sterilizer : en
  • CA338388A - Oil burner ignition device : en fr
  • CA338337A - Thread package processing : en fr
  • GB403898A - Process and apparatus for finishing fused silica articles : en
  • USD91274S - Design for an ice cream cone : en
  • CA338325A - Aldehyle and ketone condensation product : en fr
  • US1941831A - Gas service regulator : en
  • US1942201A - Process for the production of resins : en
  • US1942264A - Machine for coiling solder : en
  • DE590398C - Anti-glare device, in particular for motor vehicles : de en
  • US1941653A - Proofing dough : en
  • ES131684A1 - Procedure for the construction of a wing intended for flying vehicles and divided into semi-wings of independent orientation. : en es
  • GB403933A - Improvements in control mechanism for recording devices : en
  • US1942017A - Machine for wrapping cakes or the like : en
  • CA338264A - Cellosolve stearate : en fr
  • US1941535A - Process of forming alloys : en
  • US1941560A - Cement clinker cooling chamber or the like : en
  • US1942306A - Traffic signal : en
  • US1941879A - Suspension : en
  • US1941922A - Drawer lining or the like : en
  • USD91268S - Design for a neo-classic bathroom : en
  • US1941799A - Aircraft propelling and controlling mechanism : en
  • US1942292A - Towel service cabinet : en
  • US1941554A - Drawing board and the like : en
  • US1941713A - Foot corrective device : en
  • US1941859A - Cream separator : en
  • CA338332A - Stapling machine : en fr
  • CA338401A - Drawer slide : en fr
  • US1941747A - Printer's quoin : en
  • US1942354A - Article of manufacture : en
  • DE590558C - Hole nozzle for internal combustion engines : de en
  • DE590457C - Connector for flexible pipes of brakes for motor vehicles : de en
  • DE590533C - Sound film cabinet with swiveling top : de en
  • GB403883A - Improvements in the manufacture of high molecular organic esters : en
  • US1941822A - Hot air furnace : en
  • US1941790A - Reamer : en
  • US1941915A - Hydraulic core knockout and cleaning apparatus for castings and the like : en
  • US1942007A - Soft x-ray tube : en
  • AU1081633A - Improvements in and relating to visible card filing appliances : en
  • CA338330A - Building insulation : en fr
  • USD91263S - Design for a turret support for : en
  • ES131495A1 - Process for obtaining copper alloys with higher lead contents, particularly as a construction material for support bearings to be disposed on axle stubs of vehicles on rails, without soft metal lining. : en es
  • FR757847A - License plate holder for fixing their license plate to the steering bar of bicycles : en fr
  • GB404034A - Electric control and amplifying systems : en
  • US1941599A - Conveyer type of pair or pack furnace : en
  • CA338297A - Safety razor : en fr
  • CA338268A - Garbage container : en fr
  • FR42919E - Improvements in the sectors : en fr
  • US1941604A - Conveyer : en
  • US1941648A - Ferrous alloy : en
  • GB404301A - Improvements in apparatus for distributing seed, manure and the like : en
  • US1941454A - Door operating mechanism : en
  • CA338281A - Sight and sound reproducing device : en fr
  • ES132294A3 - A new way of manufacturing artificial leather. : en es
  • GB403833A - Improvements in key-locked fastenings for attache and suit cases, boxes, bags, portfolios and the like : en
  • US1941774A - Dump car : en
  • US1942015A - Process for obtaining metals from siliceous rocks : en
  • DE590544C - Trap for motor vehicles : de en
  • US1942113A - Coil winding mandrel : en
  • FR42901E - Improvements to control panels for electrical energy networks : en fr
  • FR42908E - Sorter-separator : en fr
  • FR757828A - Improvements to directed antennas : en fr
  • US1942202A - Rotator : en
  • GB403847A - Improvements in curtain drawing and suspending devices : en
  • FR42904E - Automatic aerodynamic stabilizer for airplanes : en fr
  • GB403870A - Improvements in and relating to pipe or tube connections : en
  • GB403890A - Improvements in and relating to pistons for internal combustion engines : en
  • GB403736A - Improvements relating to reamers for cylinders : en
  • GB403795A - Improvements relating to gas heated water heaters : en
  • US1941483A - Table : en
  • US1942348A - Log for cabins and the like : en
  • US1942326A - Matrix-setting and type-linecasting machine : en
  • US1942173A - Method of treating steel : en
  • US1942262A - Method for determining location in progress over a given area : en
  • US1941855A - Thermoelectric radiator : en
  • US1942121A - Process of annealing and zinc coating ferrous articles : en
  • CA338283A - Staybolt : en fr
  • ES131973A3 - Improvements introduced in the manufacture of billiards. : en es
  • US1942004A - Process for improving aluminogenetic iron : en
  • US1941880A - Reel : en
  • US1942337A - Traction belt : en
  • CA338416A - Railway truck : en fr
  • US1941621A - Igniting stick : en
  • US1942129A - Gasoline line lock for automobiles : en
  • US1942315A - Body construction : en
  • CA338404A - Container vacuumizing device : en fr
  • CA338320A - Chuck : en fr
  • US1941693A - Evaporator : en
  • US1941854A - Automobile jack : en
  • US1941929A - Nonrefillable container : en
  • DE590582C - Process for the production of soluble derivatives of aminoaryl arsenoarsenoarsenoarsenoarsenoarylarsenoantimony and aminoarylarsenoarseno compounds : de en
  • DE590541C - Bottle cooler : de en
  • GB403891A - Improvements in melting and purifying magnesium and magnesium alloys : en
  • US1941497A - Automatic train control : en
  • GB404278A - Improvements relating to protective apparatus for electrically operated vehicles : en
  • US1941904A - Tape easel for page printers : en
  • ES2213U - Elastic waist applicable to the underpants. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403949A - Improvements in or relating to directional aerials : en
  • GB403734A - Improvements in means for coiling a strip edgewise upon a tube or cylindrical vessel : en
  • US1941881A - Reel : en
  • US1941594A - Hair waving apparatus : en
  • DE590495C - Oil circulation device for electrical transformers or similar electrical devices depending on the electrical load : de en
  • US1941796A - Process of applying abrasive : en
  • US1941802A - Apparatus for manufacturing earthenware : en
  • AU1578434A - Television transmission method : en
  • US1942019A - Multiwall bag : en
  • ES131998A1 - Improvements in the appliances to open the cans. : en es
  • ES132254A1 - Improvements in the pneumatic motors. : en es
  • CA338344A - Rock-drill : en fr
  • ES132493A3 - A new mechanical toy represented by a car with lifting movement and slide. : en es
  • US1941613A - Pressure gauge stabilizer : en
  • US1941806A - Injection engine : en
  • GB404312A - Improvements in looms for weaving in which the shuttle boxes do not move with the sley : en
  • US1941541A - Stove drawer : en
  • US1941477A - Method of making magnetic sound reproducers : en
  • ES132589A1 - A process of producing light for therapeutic, photographic, penetration and other purposes. : en es
  • ES132238A1 - PROCEDURE FOR THE PREPARATION OF FOLLICULAR DIHYDROHORMONE : en es
  • ES132570A1 - A manufacturing process for containers, covers, tubes and other hollow objects, without sewing. : en es
  • GB403796A - Improvements relating to domestic fireplaces : en
  • ES132424A1 - A new inked ribbon holder for typewriters. : en es
  • US1942107A - Engine starter : en
  • FR757896A - Manufacturing process of phonograph records intended for amateur recordings : en fr
  • ES132549A1 - A process for the manufacture of fluted aperitif liquids. : en es
  • CA338406A - Safety razor : en fr
  • DE590473C - Process for the preparation of a bluish-green buffalo dye : de en
  • DE590476C - Process for the removal of phenol and its homologues from coke and gas waters using benzene : de en
  • US1941820A - Liquid fuel burner : en
  • US1942291A - Game board : en
  • US1941645A - Differential gearing for motor vehicles : en
  • DE590270C - Watercraft : de en
  • US1941491A - Building product and method of making same : en
  • US1941846A - Shutter for radiator enclosures : en
  • US1942136A - Light signal lens : en
  • USD91258S - Design for a cigar holder : en
  • USD91267S - Design fob a wringer head for : en
  • GB403941A - Improvements in cooking and kitchen apparatus : en
  • US1941680A - Paper-carton opener : en
  • DE590420C - Safety device for steam boiler systems with mechanical induced draft system : de en
  • DE590326C - Process for the production of vulcanized fiber : de en
  • FR42931E - Process for the simultaneous manufacture of ammonia phosphate and a calcium salt, for example nitrate : en fr
  • US1941707A - Automatic fare box : en
  • US1942316A - Stream line wire wrench : en
  • FR757862A - Protective paper tape for photographic reel films : en fr
  • FR757820A - Improvements to escapement mobiles for watches, alarm clocks, clocks, etc. : en fr
  • US1942103A - Heater casing : en
  • US1941561A - Cement clinker chamber or the like : en
  • US1941619A - Container : en
  • US1941564A - Combination tire cover and luggage carrier : en
  • US1941711A - Self-closing valve : en
  • US1941823A - Pencil sharpener : en
  • ES131943A1 - A procedure for the treatment of black and white photographic copies. : en es
  • GB403758A - Improvements in and relating to gramophones : en
  • US1941978A - Shockproof x-ray unit : en
  • DE590481C - Process for the production of finely divided metal compounds : de en
  • US1941991A - Method of treating textile material and product : en
  • US1942302A - Furniture : en
  • DE590623C - Beer catcher : de en
  • DE590438C - Method for producing stereotypical charts : de en
  • GB403776A - Starting mechanism for internal combustion engines : en
  • FR42916E - Improvements to the systems for attaching handles to wooden tedding rakes : en fr
  • GB403755A - Improvements in or relating to mains driven electric clocks : en
  • US1941807A - Gas-bulb heating apparatus : en
  • US1941629A - Attachment for routing machines : en