• US2372105A - Sewing machine : en
  • US2371749A - Airplane traffic controlling system : en
  • US2371768A - Method of preparing high butyryl cellulose esters stabilized against discoloration : en
  • CA426217A - Circuit interrupter : en fr
  • US2371862A - Therapeutic tablet : en
  • USD140640S - Design fob a jewelry finding : en
  • US2371801A - Propeller spinner attaching device : en
  • US2371833A - Generating electric traction and control system : en
  • US2372103A - Shaft seal : en
  • CA426226A - Elevator safety apparatus : en fr
  • US2371798A - Fluid pressure brake : en
  • US2371946A - Wood plane : en
  • US2372134A - Protective relay system : en
  • FR897341A - Multi-head scanning device for parts where the dimensions to be scanned or checked are very close to each other : en fr
  • US2371707A - Nitrogen generating chemicals : en
  • US2372135A - Drier for gas-cooling systems : en
  • CA426224A - Timing relay : en fr
  • FR897448A - Hair wash product : en fr
  • FR897467A - Adjustable, quick-attach scythe ring : en fr
  • AU119673B2 - Improved construction of slipper and method for its production : en
  • GB568149A - Improvements in reversible driving means : en
  • US2371963A - Scanning apparatus for moving strip : en
  • GB568124A - Improvements in or relating to methods and apparatus for bending metal to loop formation : en
  • CA426187A - Life preserver : en fr
  • CA426170A - Headlight indicator : en fr
  • AU125323B2 - An improved device for removing lids from containers : en
  • US2372028A - Counterboring tool with pilot and holder : en
  • US2371635A - Glider pickup device : en
  • US2371677A - Draft regulator : en
  • US2371941A - Copying machine : en
  • FR897428A - Process and material for the preparation of improved products for plant protection : en fr
  • FR897353A - Reducer on trunnion : en fr
  • GB568207A - Improvements in the reduction of metal articles to desired sizes : en
  • US2371601A - Electromagnetic circuit controller : en
  • US2372032A - Process for producing fluorides : en
  • CA426182A - Harvest wagon : en fr
  • FR897530A - Method and device for the manufacture of twisted or moulined yarns, in particular rayon crepe yarns : en fr
  • US2371714A - Navigational instrument : en
  • US2371954A - Seat base or the like and method of making same : en
  • US2371912A - Pressed metal sole for shoes and shoe embodying said sole : en
  • CA426283A - Vehicle construction : en fr
  • US2371621A - Truck, especially for rail cars : en
  • CA426291A - Electron tube : en fr
  • US2371667A - Method of covering containers : en
  • US2371964A - Prefabricated vessel construction : en
  • USD140594S - Design fob a grab bucket : en
  • US2371666A - Projector slide equipment : en
  • US2372058A - Exhaust nozzle : en
  • FR897518A - Washing products and their preparation process : en fr
  • FR897547A - Orientation antenna with pattern without tips : en fr
  • GB568147A - Improvements in apparatus for automatically weighing predetermined quantities of material : en
  • FR897484A - Nickel silver containing manganese and nickel : en fr
  • CA426277A - Artificial gem : en fr
  • US2371752A - Calculating machine : en
  • US2371891A - Tire valve : en
  • CA426201A - Rectangular wire coating die : en fr
  • FR897444A - Molded material socket for electrical equipment : en fr
  • US2371866A - Lacquer and like coating composition : en
  • AU119675B2 - Apparatus for and method of treating electrolytic coatings : en
  • US2372149A - Starting control for electric discharge devices : en
  • US2372016A - Unloader valve : en
  • US2372130A - Conveyer system and control therefor : en
  • US2371943A - Resins obtained from a polyvinyl acetal and secondary diaryl amines : en
  • US2372152A - Copper base alloys : en
  • GB568177A - Improvements in and relating to the manufacture of threads, filaments, films and thelike from alginates : en
  • FR897319A - Method and apparatus for heating baker's ovens or vault ovens : en fr
  • CA426266A - Electrical wiring system : en fr
  • FR897534A - Mode of supplying the band to machine guns : en fr
  • US2371607A - Torque applying device : en
  • US2371639A - Locking sectional handle : en
  • FR897352A - Inverter shutdown process : en fr
  • GB568194A - Improvements in and relating to electric fittings such as plugs, switches, ceiling roses, adaptors, lamp holders and the like : en
  • GB568114A - Jar for use in the production of pure cultures such as mushroom spawn : en
  • US2371650A - Feeder to container capping machines or the like : en
  • US2371602A - Spring mounted logging bunk : en
  • US2371785A - Incinerator combined hopper and door means : en
  • GB568110A - Improvements in or relating to electric heating apparatus for billets and the like : en
  • FR897305A - Airlock for corpuscular ray apparatus : en fr
  • FR897443A - High power boat propulsion installation : en fr
  • FR897532A - Assembly of the knife holder for revolver heads : en fr
  • FR897357A - Process for the production of alumina silicates of the montmorillonite type : en fr
  • FR897316A - Selenium rectifier with metallic counter-electrode applied for example by spraying on the semiconductor layer of selenium : en fr
  • US2371748A - Article handling apparatus : en
  • USD140598S - Design for an atomizer : en
  • USD140646S - Design fob an airplane : en
  • US2371633A - Accumulator : en
  • US2372008A - Making of bags and envelopes : en
  • US2371911A - Internal-combustion engine : en
  • FR897422A - Mechanical saw with straight blade : en fr
  • FR897528A - Device for regulating the cooling air of internal combustion engines, particularly for propelling airplanes : en fr
  • FR897447A - New dis- and polyazoic dyes : en fr
  • US2372093A - Apparatus for testing enameled wire : en
  • USD140612S - Design for a hat : en
  • USD140631S - Design for a can opener : en
  • US2371629A - Means for producing artificial thermals : en
  • US2372029A - Pneumatic hammer : en
  • DK63288C - Procedure for the Preparation of Substances for Pepper Spices. : da en
  • FR897395A - Holding device for electrical devices for checking the tolerance on the length of the parts : en fr
  • US2371958A - Fertilizer distributor : en
  • US2371858A - Package wrapping : en
  • US2372065A - Distributing apparatus for bituminous and like material : en
  • US2371820A - Method for making sound reproducing units : en
  • US2371957A - Plasticized polyvinyl acetal composition : en
  • FR897470A - Silica gel impregnated with fuming sulfuric acid : en fr
  • GB568129A - Obtaining drinking water from sea- and other saline-waters : en
  • FR897545A - Electric capacitor, in particular in the form of an interference suppressor : en fr
  • FR897410A - Folding table with two-part top : en fr
  • GB568109A - Improvements in or relating to explosive compositions suitable for use in initiatingdevices : en
  • FR897317A - Tubular heating element closure sealant : en fr
  • US2372015A - Controlling means for automotive vehicles : en
  • US2371652A - Coating compositions : en
  • US2371626A - Speed indicating apparatus : en
  • US2371840A - Well device : en
  • US2371865A - Counterweight control system for lifting device carriages : en
  • FR897472A - Caliber with branches : en fr
  • CA426199A - High frequency coupling circuit : en fr
  • AU119687B2 - Copolymers of higher dienes : en
  • US2371791A - Manifold stationery : en
  • US2371825A - Furniture spring construction : en
  • US2371950A - Heater : en
  • US2372045A - Switch : en
  • FR897468A - Method for detecting the presence of benzol in air or in vapor mixtures : en fr
  • FR897303A - Method and device for the electrolytic purification of alkaline solutions containing hemicellulose, in particular solutions from pressing operations in the manufacture of viscose, with the application of mercury cathodes : en fr
  • US2371961A - Tank vent valve : en
  • US2371990A - Polymeric esters : en
  • AU218446A - Improvements in and relating to moulds ior use in building walls : en
  • US2371867A - Egg washing machine : en
  • FR897328A - ladder : en fr
  • US2372113A - Electrode holder : en
  • US2371660A - Composition and article for electric use : en
  • US2371715A - Metal cutting tool : en
  • US2371740A - Developers containing silver halide solvents : en
  • US2372037A - Thermionic device and means and method of fabrication : en
  • GB568155A - Improvements in and relating to electric motor equipments : en
  • US2372112A - Polyphase direct current saturated inductance : en
  • USD140614S - Design for a wheeled toy : en
  • US2371771A - Web treating apparatus : en
  • US2372003A - Sectional ladder : en
  • GB568118A - Hydraulic control for guns and gun turrets : en
  • FR897384A - Box : en fr
  • US2371893A - Hydraulic remote control apparatus : en
  • US2371808A - Lipstick holder : en
  • FR897322A - Electric wiper control device : en fr
  • FR897394A - Insecticidal products and processes for preparing these products : en fr
  • GB568187A - Composite materials : en
  • FR897402A - Device for limiting overvoltages to armatures of direct current machines : en fr
  • CA426246A - Silica fibre making method : en fr
  • CA426268A - Wiring system connector unit : en fr
  • US2371945A - Electrode holder : en
  • US2371984A - Means for imposing harmonic torques on shafting : en
  • GB568208A - Improvements in electric discharge devices having electrodes treated to increase thermal radiation : en
  • GB568213A - Improvements in and relating to metal cutting or like machine tools : en
  • US2371851A - Lubricating oil compositions and methods of making the same : en
  • US2371905A - Phase shifting system : en
  • US2371760A - Filter : en
  • US2371789A - Means for and method of supporting the roofs or walls of underground workings : en
  • US2371940A - Pump : en
  • US2372034A - Supporting belt and ptosis pad : en
  • CA426278A - Selenium type rectifier : en fr
  • US2372142A - Lubricated rope : en
  • US2371955A - Well drilling fluid : en
  • US2371969A - Impulse-protected fuse : en
  • US2372078A - Carrier relaying : en
  • FR897368A - Device for changing or replacing the machine gun barrel : en fr
  • FR897343A - Alcohol-free fluids for oral care : en fr
  • FR897358A - Device for manual bending of iron bars, in particular for reinforcements of reinforced concrete : en fr
  • US2372054A - Bearing assembly : en
  • DK63284C - Zinc cladding wire. : da en
  • US2371756A - Yarn bobbin : en
  • US2371781A - Winding apparatus : en
  • USD140597S - Double end adjustable check gauge : en
  • US2371805A - Conduit coupling means : en
  • GB568094A - Improvements in and relating to the manufacture of extruded food preparations : en
  • CA426198A - Thermal switch : en fr
  • GB568112A - Improvements in the manufacture of 3-carbethoxy-4-hydroxycoumarin : en
  • GB568128A - Acoustic Stethoscope : en
  • US2372090A - Production of higher molecular weight dicarboxylic acids : en
  • US2372109A - Recovery of vanadium : en
  • DK63278C - Capacitor unit consisting of a main capacitor and an adjustable capacitor. : da en
  • FR897412A - Process for the treatment of nutrient liquids saturated with fungal mycelium : en fr
  • FR897345A - equipment for oscillograms in particular of single phenomena : en fr
  • AU928843A - Improvements in or relating to valves for controlling the flow of liquids : en
  • DK63282C - Methods and apparatus for making clad sheets. : da en
  • FR897439A - Drip device for cooling towers, chemical apparatus or the like : en fr
  • GB568225A - Improvements in taper plug and socket joints : en
  • US2371779A - Range finder : en
  • US2371843A - X-ray cassette : en
  • US2371978A - Clamp for retaining the edges of a wound in apposition : en
  • FR897441A - Device for observing non-centered stereoscopic views : en fr
  • US2372146A - Arc welding system : en
  • CA426212A - Locomotive brake equipment : en fr
  • CA426219A - Electrical connector : en fr
  • CA426275A - Polished rod bumper jack for wells : en fr
  • USD140622S - Design fob a bottle opener : en
  • US2371780A - Filament winding apparatus : en
  • US2371786A - Method of producing abrasives : en
  • USD140645S - Design fob a doll : en
  • CA426259A - Iron surface coating method : en fr
  • GB568217A - Clamp device : en
  • US2372067A - Electrical apparatus : en
  • FR897398A - Annular core for choke coil or transformer : en fr
  • AU129054B2 - Improvements in or relating to electrical condensers : en
  • US2371644A - Degreasing process : en
  • DK63280C - Procedure for Manufacturing Paints. : da en
  • FR897523A - Device for increasing or decreasing the stitch length in chain stitch, overlock and the like sewing machines : en fr
  • FR897369A - Device for transforming a negative voltage into a positive voltage : en fr
  • FR897495A - Process for the production of weaving effects : en fr
  • GB568179A - Improvements in and relating to joints for conduits or other containers of fluid under pressure : en
  • US2371600A - Blade for tanning machinery : en
  • US2372047A - Dual wheel brake : en
  • US2371737A - Stabilizers : en
  • AU119692B2 - Improvements in electric regulators ofthe carbon pile type : en
  • CA426209A - Electric relay and contactor : en fr
  • GB568156A - Improvements in and relating to electric motor equipments : en
  • USD140600S - Design for an escalator balustrade : en
  • FR897475A - Device for mounting the workpieces on the worktable of machine tools : en fr
  • GB568117A - Improvement in self-aligning bearing structures : en
  • GB568228A - Improvements in or relating to portable drilling machines : en
  • GB568227A - Improvements in chucks : en
  • FR897437A - Apomecometer, in particular altimeter : en fr
  • AU626842A - Cyanidation of ore pulps with limited agitation : en
  • CA426206A - Polyphase directional relay : en fr
  • AU119690B2 - Briquetting press : en
  • FR897418A - Fishing reel refinements : en fr
  • FR897380A - Liquid cooling device for a hollow-shaped frame mounted on two rotating drums : en fr
  • US2371807A - Pasteurizing apparatus : en
  • US2371856A - Hydraulic brake with mechanical follow-up : en
  • USRE22621E - Loading and unloading of work in : en
  • US2371774A - Pharmaceutical dispensing device : en
  • US2371765A - Extensible bracelet : en
  • US2371910A - Eyeglass construction : en
  • US2371885A - Apparatus for heating and handling containers : en
  • US2371896A - Latching device : en
  • US2372157A - Hoist : en
  • US2371874A - Explosive cartridge : en
  • GB568190A - Improvements in or relating to electrical plug contact pins : en
  • FR897459A - Quadrupole with decoupled input and output circuits : en fr
  • FR897507A - Process for preparing methylol xanthogenates : en fr
  • US2371668A - Cone jacket applying machine : en
  • US2371724A - Window : en
  • CA426229A - Fluid pressure brake : en fr
  • GB568135A - Improvements in the manufacture of titanium compounds : en
  • FR897493A - Core for continuous casting of metal tubes or hollow bars : en fr
  • US2371663A - Crate : en
  • FR897458A - Electric capacitor, in particular electrolytic capacitor : en fr
  • US2372055A - Pallet : en
  • US2372114A - Pad : en
  • USD140604S - Design for a brooch pin : en
  • USD140636S - Air filter for a welding generator : en
  • AU119679B2 - Facsimile apparatus : en
  • CA426285A - Hay cocker : en fr
  • US2371731A - Band saw : en
  • CA426173A - Weed destroyer for ploughs : en fr
  • CA426211A - Circuit interrupter : en fr
  • AU119666B2 - Control valve for controlling flow of fluids : en
  • GB568198A - Improvements in or relating to internal combustion engines having free pistons : en
  • US2372063A - Appliance for bending tubing : en
  • US2371815A - Fluid pressure device : en
  • US2372160A - Sulphurized esters of cyclic sulphones : en
  • US2371899A - Chlorinated rubber emulsion : en
  • US2371860A - Separation of methylacetylene from c4 hydrocarbons : en
  • US2372128A - Electronic timing control : en
  • USD140606S - Design fob a brooch pin : en
  • US2371997A - Resinous compositions : en
  • CA426287A - Knitting needle gauge : en fr
  • US2371812A - Treatment of fish water : en
  • US2371732A - Electrical control system : en
  • US2372071A - Luminescent material : en
  • US2371739A - Carburetor : en
  • AU119681B2 - Improvements in or relating in extrusion machines : en
  • FR897479A - Lead alloy and process for obtaining it : en fr
  • FR897494A - Core for continuous casting of hollow metal parts or tubes : en fr
  • FR897331A - Chemical resistant lined concrete tank : en fr
  • FR897454A - Installation of teleprinter : en fr
  • CA426242A - Circuit protective switch : en fr
  • AU119670B2 - Improvements in contact banks of switches and cabling arrangements between switches in automatic telephone systems : en
  • US2372097A - Apparatus for applying trim molding : en
  • FR897403A - Nitrification and atmospheric nitrogen fixation processes on mineral and organic matter : en fr
  • FR897377A - Spinning pot for making endless synthetic yarns : en fr
  • US2372035A - Lightning arrester : en
  • FR897491A - Compounding device, in particular controlled static converters : en fr
  • US2372088A - Lapping machine : en
  • US2371814A - Parachute release : en
  • US2371757A - Fluoroacetic acids : en
  • US2372129A - Electronic timing control : en
  • FR897481A - Process for the production of molded artificial marbles : en fr
  • US2372123A - Clutch : en
  • US2372165A - Catalytic conversion : en
  • GB568160A - Improvements in refuse destructor furnaces : en
  • CA426162A - Remote control speed indicator : en fr
  • US2371618A - Preservation of textile materials : en
  • US2371900A - Closure cap : en
  • US2371685A - Grinding machine : en
  • US2371975A - Cooking utensil : en
  • US2371673A - Aircraft locking mechanism : en
  • GB568185A - Improvements in electrical timing arrangements : en
  • US2371838A - Bending machine : en
  • FR897307A - Method for examining objects in corpuscular ray apparatus : en fr
  • FR897471A - Contact device with movable contacts driven in synchronism with the current phase : en fr
  • US2372095A - Packing : en
  • US2371871A - Tape moistening device : en
  • US2371741A - Machine for operating on shoes : en
  • US2371880A - Vitreous insulator : en
  • USD140620S - Oil burner : en
  • GB568154A - Improvements relating to means for re-filling trenches with earth excavated therefrom, and for other earth removing, grading or levelling operations : en
  • US2372117A - Welding machine : en
  • DK63272C - Method and Plant for the Production of Liquid Fertilizer of Natural Fertilizers by Treatment with Water or Water and Ajle. : da en
  • FR897306A - Corpuscular ray apparatus : en fr
  • FR897364A - Process for the preparation of acid resistant and liquid impermeable materials and moldings : en fr
  • GB568202A - Improvements in or relating to electric motor control systems : en
  • US2372163A - Portable concrete rodding machine : en
  • GB568184A - A mould for moulding articles made of rubber and other thermoplastic and thermosetting materials and a method of making the mould : en
  • GB568219A - Ploughs and other agricultural implements : en
  • US2371908A - Recovery of olefinic hydrocarbons : en
  • FR897379A - Adjustment device for electrical installations with wind wheel : en fr
  • US2371904A - Portable stroboscopic device for checking electric meters : en
  • US2372046A - Compositions for use in agriculture or horticulture : en
  • US2371689A - Outsole for shoes : en
  • US2371887A - Loading and unloading apparatus : en
  • USD140609S - Design for an earring : en
  • US2371773A - Method and means for making engraved plates : en
  • FR897509A - Optical device for surface examination : en fr
  • DK63291C - Joke device designed as a wind instrument. : da en
  • FR897497A - Device for actuating brakes or other accessories for bicycles and similar vehicles : en fr
  • CA426271A - Variable pitch airscrew or propeller : en fr
  • US2371610A - Reactivation of catalysts : en
  • US2372115A - Sheet binding means : en
  • GB568201A - Improvements in shaft bearings : en
  • FR897489A - New dis and polyazo dyes : en fr
  • AU119674B2 - Improvements relating to safety razors : en
  • GB568157A - p-substituted-p-carboxy-diphenyl sulphones and processes for producing them : en
  • US2371930A - Device for printing fabrics : en
  • US2372056A - Method and apparatus for recording seismic waves : en
  • US2372151A - Turbine locomotive control system : en
  • US2371919A - Cigarette humidifier : en
  • US2371864A - Wheel suspension for motor vehicles : en
  • US2371617A - Stock feeder : en
  • US2372100A - Safety razor : en
  • US2371640A - Automatic release aerial delivery container : en
  • USD140641S - The like : en
  • FR897393A - Metal basket and method for its manufacture : en fr
  • GB568195A - Improvement to folding tent poles or masts with adjustable metallic joints : en
  • GB568123A - Improvements in radio receivers : en
  • FR897409A - Contact switch with synchronous contact devices : en fr
  • FR897462A - Artificial material based on triple cellulose esters of fatty acids : en fr
  • US2371917A - Revolving bin : en
  • FR897461A - Device for crushing and pulverizing materials of different hardnesses : en fr
  • FR897367A - Sulfur dyes and their preparation process : en fr
  • FR897514A - Device for recording sounds with variable density : en fr
  • US2371637A - Method of prospecting for buried deposits : en
  • US2371622A - Screw-driving tool : en
  • FR897522A - Adjustment device for microscopes : en fr
  • FR897531A - Rinsing or sprinkling nozzle, intended particularly for sprinkler cars : en fr
  • CA426228A - Circuit breaker control system : en fr
  • US2371937A - Hydraulic brake attachment : en
  • US2372019A - Knitting machine : en
  • CA426245A - Silicon material purification : en fr
  • GB568203A - Improvements in or relating to the solvent fractionation of fatty acids : en
  • US2371800A - Paper fastener : en
  • AU1089043A - Improvements in rivetting guns or like appliances : en
  • CA426257A - Knitting machine mechanism : en fr
  • AU119671B2 - Improvements in luminescent materials : en
  • CA426210A - Protective relay system : en fr
  • AU1906945A - Improvements in or relating to electrical condensers : en
  • USD140613S - Design for a hat : en
  • USD140621S - Design for a toy wheelbarrow : en
  • GB568103A - Improvements in and relating to electric lamp holders : en
  • US2372143A - Airfoil nose construction : en
  • FR897356A - Gate valve : en fr
  • FR897375A - Device for charging capacitors to a predetermined voltage : en fr
  • USD140627S - Design fob a pipe wrench ob the like : en
  • US2371787A - Fuel injection device : en
  • US2372012A - Wave length modulation : en
  • US2371696A - Helical electric immersion heater : en
  • USD140615S - Elevation adjusting device for picture projectors or the like : en
  • AU1981645A - Improvements in or relating to method of and apparatus for fabricating capsules : en
  • IE16759L - Collapsible cardboard boxes : en
  • GB568150A - Coating of synthetic linear polyamide filaments and bristles with polymers of olefine oxides : en
  • FR897347A - Electric capacitor without impregnation : en fr
  • US2371965A - Respirator : en
  • CA426184A - Shoe ankle strap : en fr
  • US2371694A - Pyridine-3,4-dinitriles : en
  • CA426223A - Insulating bushing : en fr
  • GB568092A - Improvements in the treatment of linear super polyamides preparatory to dyeing : en
  • AU1052643A - Improvements in or relating in extrusion machines : en
  • US2371616A - Production of valuable hydrocarbons : en
  • US2371988A - Distance measuring device : en
  • US2372049A - Emergency vehicle wheel : en
  • GB568100A - Improvements in or relating to prepayment mechanism for electricity and other meters : en
  • US2371873A - Propeller with extended drive : en
  • USD140601S - Design for a thermohydrometeb : en
  • US2372077A - Sketching outfit : en
  • DK63277C - Procedure in the production of double spirally wound light bodies of tungsten. : da en
  • FR897311A - Process for the introduction of chemical reactions : en fr
  • US2372102A - Electric controller : en
  • US2371826A - Coupling device for typewriting : en
  • US2371962A - Dynamoelectric machine : en
  • US2372124A - Sign construction : en
  • US2372036A - Safety device for ships' propeller shafts : en
  • US2371831A - Layout and drill v-block : en
  • CA426175A - Mechanical pencil : en fr
  • US2372079A - Heat exchanger : en
  • GB568162A - Improvements in or relating to thermometers and like instruments : en
  • FR897466A - Process for the preparation of organic esters of cellulose containing pentosans : en fr
  • US2371890A - Manufacture of hydrocarbons : en
  • US2372155A - Dissipation of heat from bus bars : en
  • AU119689B2 - Electrical selector for coin chutes : en
  • AU1958245A - Improvements in or relating togas-turbine plants : en
  • GB568134A - Improvements in and relating to liquid pressure-actuated reciprocating pumps : en
  • CA426216A - Circuit interrupter : en fr
  • AU179440A - Draining device for gas heat exchangers of absorption refrigerating apparatus : en
  • GB568140A - Improvements in devices for damping flames from the exhaust pipes of internal combustion engines : en
  • GB568224A - Improvements in duplicating machines : en
  • GB568120A - Improvements in or relating to radio beacons : en
  • US2371886A - Bromine extraction : en
  • FR897537A - Electrolytic capacitor : en fr
  • CA426202A - Telemetering system : en fr
  • CA426204A - Circuit breaker : en fr
  • GB568101A - Improvements in or relating to a swim-fin : en
  • AU119669B2 - Improvements in or relating to valves for controlling the flow of liquids : en
  • AU1979245A - Improvements in shock absorbers : en
  • US2372010A - Truss : en
  • US2372118A - Coating apparatus : en
  • US2371889A - Gas turbine motor plant : en
  • CA426233A - Fluid pressure brake apparatus : en fr
  • US2371813A - Method of applying laundryproof fasteners : en
  • AU1014343A - Improvements relating to safety razors : en
  • AU119668B2 - Improvements in and relating to apparatus for use inthe hydrogenation of oils : en
  • US2371682A - Method of making fish food : en
  • US2372083A - Equipment for electrical installations : en
  • US2371884A - Preservative composition and method of preparing same : en
  • CA426203A - Wall construction : en fr
  • FR897414A - Process for acting on submerged mold culture operations : en fr
  • US2371793A - Governor : en
  • US2371830A - Combined stop and float valve : en
  • US2371924A - Cultivating implement : en
  • US2371632A - Accumulator : en
  • US2371797A - Engine crankcase construction : en
  • CA426276A - Conveyer chain : en fr
  • US2371722A - Process for washing and drying coagula of rubber and similar materials : en
  • CA426186A - Porthole extrusion die : en fr
  • US2371719A - Process for polymerizing chloroprene in the presence of sulphur dioxide and product thereof : en
  • CA426178A - Separating method for materials of different melting points : en fr
  • AU975843A - Improvements in means for detachably mounting an additional disc or depth roller onthe end ofa gang of cultivating discs : en
  • US2371708A - Cutting tool : en
  • US2372164A - Ventilator and mechanism for operating same : en
  • GB568097A - Improvements in and connected with the plugs of electric couplings : en
  • FR897510A - Collection sheet for postage stamps : en fr
  • GB568115A - Improvements relating to furnaces for the heating of metals : en
  • FR897427A - Device facilitating the rise of dimensions : en fr
  • US2371763A - Lubricant and process for preparing the same : en
  • US2372021A - Planishing hammer support : en
  • GB568221A - Beam-to-column coupling means for reinforced concrete building structures : en
  • US2371973A - Geophysical prospecting apparatus : en
  • GB568204A - Improvement in measuring apparatus : en
  • DK63292C - Coating or Coating Plate for Protecting Building Parts from Fire. : da en
  • DK63293C - Can with layer and method of its manufacture. : da en
  • FR897411A - Process for mass preparation of mycelia and (or) their exchange products : en fr
  • DK63271C - Procedure for Operating Electrical Filters and Electrofilter for Exercising the Procedure. : da en
  • IE16822L - Improvements in and relating to portable rotary hoes : en
  • FR897378A - Method and device for operating vehicle propulsion systems with gasifier and supercharging : en fr
  • CA426251A - Cutting machine : en fr
  • CA426260A - Camera shutter mechanism : en fr
  • FR897438A - Manufacturing process of layered materials : en fr
  • FR897313A - Arrangement of ionic converters with adjustable arc valves : en fr
  • FR897332A - Method of cutting profiled bars and similar parts and device for its realization : en fr
  • FR897330A - Suspension of axle unit groups for motor cars : en fr
  • FR897374A - Two-piece breech for recoil loading weapons : en fr
  • GB568138A - Improvements in variable speed gears : en
  • US2372066A - Biological product and process of obtaining same : en
  • FR897417A - stretch-moulder for the production of ceramic, refractory or similar products : en fr
  • FR897340A - Elbow and welded connection for pipes : en fr
  • FR897473A - Process for directly producing viscose ripe for spinning : en fr
  • US2371720A - Admixing and dispensing method and device : en
  • US2371623A - Method of preserving soap and resulting product : en
  • US2372153A - Resin compositions : en
  • GB568169A - Improvements in ashpans and dampers for domestic grates : en
  • GB568107A - Improvements in and relating to attenuators for electric signalling systems : en
  • US2371683A - Electronic tube : en
  • US2371915A - Phenol-aldehyde resins : en
  • CA426264A - Electricity conductor unit : en fr
  • GB568178A - Improved collapsible baby carriage : en
  • GB568223A - Improvements in machines for forming tablets or other articles from powdered material by compression : en
  • FR897312A - Reverse current protection : en fr
  • GB568119A - Improvements in radio direction finding systems : en
  • US2371604A - Method of and apparatus for making metal wire, rod, strip, and the like : en
  • FR897337A - Strong welding process for parts preferably with numerous and difficult to access weld surfaces : en fr
  • FR897449A - Process for the production of concentrated solutions of ammoniated zinc phosphates : en fr
  • US2371804A - Clutch mechanism : en
  • FR897490A - Gear change device : en fr
  • FR897527A - Electrical connector forming multiple contact socket : en fr
  • GB568141A - Method of and apparatus for printing : en
  • GB568165A - Improvements in underfeed or retort type stokers : en
  • US2371759A - Process for treatment of aqueous fluoride solutions : en
  • US2372006A - Chuck : en
  • US2371823A - Method of making welded joints : en
  • US2372162A - Cable forming apparatus : en
  • FR897541A - Precision boring machine tool : en fr
  • US2371643A - Television receiver : en
  • US2371698A - Diamond drill bit : en
  • US2371705A - Hydraulic shock absorber : en
  • DK63295C - Procedure for Precipitation and Separation of the Colloids in the Wastewater from the Diffusion Process by Manufacture of Beet Sugar. : da en
  • GB568116A - Measurement of losses in radio-frequency circuits and components thereof : en
  • GB568146A - Improvements in alarm devices for use in systems for feeding aggregate materials : en
  • FR897391A - Combined nozzle for obtaining both the compact jet or the spray of the liquid as well as the two together : en fr
  • FR897426A - Dashboard for cycles and similar vehicles : en fr
  • CA426240A - Container with opener : en fr
  • US2371782A - Filament winding apparatus : en
  • CA426261A - Valve : en fr
  • US2371609A - Ladder : en
  • US2371790A - Temperature compensated tuned circuit : en
  • US2371967A - Treatment of animal carcasses : en
  • US2371922A - Variable speed hydraulic coupling : en
  • US2372091A - Device for measuring vertical : en
  • DK63286C - Portable Apparatus for the Preparation of Tickets, in particular Traffic Tickets. : da en
  • CA426265A - Conduit interconnector means : en fr
  • US2371730A - Planking set : en
  • FR897517A - High frequency coil : en fr
  • US2371894A - Electric welding : en
  • US2372070A - Fender shield attaching clamp : en
  • US2372009A - Welding rod holder : en
  • US2372087A - Boiler feed pump control : en
  • US2371870A - Adhesive compositions : en
  • US2371725A - Lead-coated steel : en
  • US2371742A - Measuring apparatus : en
  • AU1023743A - Apparatus for and method of treating electrolytic coatings : en
  • US2371902A - Index head : en
  • US2371948A - Paint applying device : en
  • US2371949A - Acoustic alarm device : en
  • US2372023A - Yieldable device : en
  • US2371861A - Desk lamp : en
  • US2371796A - Torsionally neutralized railway truck : en
  • CA426192A - Honing machine : en fr
  • GB568121A - Improvements in or relating to cathode ray tubes : en
  • US2371751A - Shoe : en
  • US2372013A - Amplifying fluid pressure device : en
  • US2371627A - Composite glass-metal alloy article : en
  • USD140625S - Design fob a juice extractor : en
  • US2371747A - Conveyer structure : en
  • US2371929A - Gas generator : en
  • CA426177A - Vehicle jack : en fr
  • CA426258A - Metallic oxide reducing process : en fr
  • AU910143A - Improvements in and relating to hydraulic systems : en
  • US2371681A - Centrifugal cutting pump : en
  • US2372062A - Device for measuring low direct voltages : en
  • US2372073A - Harvesting basket : en
  • US2371879A - Explosive charge : en
  • AU129824B2 - Process for rendering articles uninhabitable for insect pests : en
  • USD140637S - Design fob a brooch or similar article : en
  • US2372048A - Phenolic resin embodying glass fibers : en
  • US2372031A - Separation of reaction mixtures containing aldehydes : en
  • AU378741A - Improvement in electric lamp sockets : en
  • US2371734A - Lath : en
  • US2372110A - Garment for complete protection against inclement weather : en
  • US2372014A - Travel control actuating apparatus : en
  • US2371762A - Bale ejector for scrap metal baling presses : en
  • FR897372A - Process for the manufacture of a semi-hard light soap by incorporating an organic or mineral filler in an emulsified paste and the resulting industrial product : en fr
  • CA426256A - Magnetic actuator : en fr
  • AU1074943A - Improvements in and relating to compressors : en
  • AU119667B2 - Improvements in and relating to hydraulic systems : en
  • FR897516A - Pest control products : en fr
  • GB568095A - Apparatus for laying mats on areas to be used as landing fields, temporary roads andthe like : en
  • USD140610S - Design for an eyeglass lens : en
  • US2371754A - Stiffened material : en
  • CA426238A - Portable hydraulic riveter : en fr
  • US2372027A - Boring tool : en
  • US2372154A - Powder dispenser package : en
  • GB568122A - Improvements in the manufacture of electrical insulators for thermionic valves and the like : en
  • FR897359A - Clothing fabrics and manufacturing process : en fr
  • CA426172A - Scoop : en fr
  • CA426253A - Faucet : en fr
  • US2371723A - Automatic electrical water heater : en
  • CA426282A - Piston ring : en fr
  • US2371733A - Lasting machine : en
  • US2371693A - Chain bed motion for printing presses : en
  • US2371645A - Degreasing process : en
  • FR897425A - Joint for pantographs and similar : en fr
  • US2371992A - Cracking of heavy oil vapors : en
  • USD140642S - Portable pump apparatus or similar article : en
  • US2371746A - Photographic color correction process : en
  • US2371934A - Holding jig : en
  • USD140634S - Design fob a clothespin : en
  • USD140595S - Combined chopping block and cutlery cabinet : en
  • US2371854A - Mineral oil composition : en
  • USD140629S - Design for an animal toy : en
  • FR897539A - Steam power plant comprising a piston engine and a steam turbine : en fr
  • GB568197A - Improvements in fire guards : en
  • GB568218A - Improvements in or relating to guards for milling machines : en
  • US2371709A - Extrusion molding apparatus : en
  • US2371794A - Preparation of cyclopentanone : en
  • US2371792A - Folding pocket fan : en
  • US2372038A - Building construction : en
  • AU1937145A - Improvements in and connected with electric fuse boxes : en
  • AU1945245A - Improvements in high frequency electromagnetic induction heating of limited areas : en
  • CA426196A - Concentrated fluid milk product : en fr
  • CA426189A - Spinning machine : en fr
  • US2371849A - Process for the polymerization of diolefins : en
  • US2372098A - Bushing : en
  • US2371661A - Industrial truck : en
  • USD140633S - Design for an illuminable christmas decoration : en
  • US2371704A - Double-action pump : en
  • US2371895A - Strainer unit : en
  • US2372156A - Glass screw cap : en
  • US2371716A - Method of making cartridge cases and the like : en
  • FR897401A - Powder agent for the destruction of Anopheles larvae by the dusting process applied in the fight against malaria : en fr
  • FR897435A - Tapes with thinned symmetrical borders or selvedges for coating by embedding in particular : en fr
  • US2372080A - Lady's tuck comb : en
  • US2371931A - Steaight-bar knitting machine : en
  • US2372094A - Circuit interrupter : en
  • US2371829A - Zinc compounds : en
  • US2371631A - Lubricant : en
  • US2372145A - Locomotive control system : en
  • CA426163A - Savings checker : en fr
  • US2371971A - Hose connector : en
  • CA426195A - Gyro caging device : en fr
  • CA426290A - Thread cutting attachment for lathes : en fr
  • CA426234A - Fluid pressure motor : en fr
  • CA426218A - Circuit breaker : en fr
  • US2371606A - Bomb sight : en
  • AU822943A - Copolymers of higher dienes : en
  • US2371918A - Carpet sweeper : en
  • USD140607S - Design for a brooch pin : en
  • US2371903A - Floodlight bracket : en
  • US2371928A - Process for the production of porous bodies : en
  • US2372081A - Faucet : en
  • FR897420A - Method and device for tensioning and simultaneously anchoring structural reinforcements or articles made of prestressed concrete or the like : en fr
  • AU925643A - Briquetting press : en
  • US2372040A - Convertible shawl-headpiece : en
  • US2371942A - Rotary engine : en
  • US2371976A - Slot closure actuating mechanism : en
  • US2372144A - Relay contact members : en
  • AU1050243A - Improvements relating tothe manufacture of metal tubular articles : en
  • US2371599A - Catalytic conversion : en
  • US2371620A - Device for controlling the tension in the yarns being wound upon a beam in a warping or beaming plant : en
  • US2371758A - Method of etching : en
  • US2371998A - Thermostat : en
  • US2371736A - Cyclized rubbers : en
  • DK63285C - Plate change device for Magasing gramophones. : da en
  • AU1973045A - An improved device for removing lids from containers : en
  • FR897504A - Hammer sparing the objects against which it strikes : en fr
  • FR897460A - Coupling for electric motors : en fr
  • US2371828A - Reverse gear : en
  • FR897326A - Device for the electrical transmission of images : en fr
  • CA426205A - Relay control device : en fr
  • AU974843A - improvements in and relating to selenium cells, and blocking layers and conducting plates therefor : en
  • GB568158A - Improvements in or relating to pre-cast concrete beams and like units : en
  • US2371664A - Welding tool : en
  • US2371770A - Planetary gear generating machine with indexing means : en
  • US2371628A - Method and apparatus for dynamic measurement of borehole radioactivity : en
  • US2371881A - Apparatus for shaping elliptical glass tubes : en
  • US2371883A - Dipped synthetic rubber article and method of making : en
  • AU119678B2 - Improvements relating tothe manufacture of metal tubular articles : en
  • FR897390A - Process for the preparation of xylan ethers : en fr
  • GB568216A - Improvements in electro magnetic actuating mechanisms for valves and like timed moving parts of internal combustion engines : en
  • GB568164A - Safety razor blade sharpener : en
  • US2371615A - Hydraulic sizer for suspended solids : en
  • US2371684A - Reel structure : en
  • CA426249A - Prefabricated building : en fr
  • GB568152A - Improvements in or relating to devices for automatic lathes : en
  • FR897496A - Lookout on wheels : en fr
  • FR897323A - Halo-free color photographic material for shooting or printing having multiple layers, including multi-layer photographic paper : en fr
  • FR897346A - Corrosion-free material for contact : en fr
  • FR897385A - Process for the production of hardened wear tubes, in particular for pneumatic or hydraulic transport lines or the like : en fr
  • GB568091A - Lace curtain machine : en
  • GB568151A - An improved device for securing rods in sockets particularly broomsticks and chair legs : en
  • FR897349A - Automatic excitation adjustment for generators with high pulse load : en fr
  • FR897436A - Machine for printing and dyeing fabrics and other supports by transfer onto a rubberized cylinder : en fr
  • FR897544A - Object diaphragm holder for corpuscular ray devices : en fr
  • GB568209A - Improvements in sails and rigging of sailing craft : en
  • FR897456A - Electrical feed-through capacitor : en fr
  • FR897445A - Electric lever switch : en fr
  • FR897451A - Furniture of t. s. f. featuring a dial in translucent material : en fr
  • GB568108A - Arrangement of hydraulic valves : en
  • US2371692A - Stock distributor : en
  • US2371960A - Sound producing device : en
  • FR897327A - Device to facilitate the back and forth movement of ties in so-called turned-down collars : en fr
  • US2372007A - Vacuum sweeper construction : en
  • US2372059A - Eyeglass frame : en
  • FR897480A - Fast typewriter or stenographer, especially for the blind : en fr
  • USD140628S - Support for toilet accessories or the like : en
  • FR897365A - Method and device for the construction of walls, starting from elements forming longitudinally pierced plates : en fr
  • US2371642A - Process for reacting nickel with organic sulphones : en
  • FR897342A - Mixtures of magnesia cements and their preparation process : en fr
  • FR897388A - Nitrogen substituted aryl hydroxylamines and process for the preparation thereof : en fr
  • GB568126A - Improvements in or relating to paper and like cylindrical barrels on containers : en
  • US2371710A - Resilient materials : en
  • USD140638S - Design fob a house slipper : en
  • DK63273C - Coupling mechanism for electric circuit breakers. : da en
  • US2372005A - Electric control circuit : en
  • US2372122A - Machine for forming heel flaps : en
  • FR897413A - Mycelium treatment method : en fr
  • IE16821L - Collapsible cardboard boxes : en
  • AU923843A - Improvements in and relating to apparatus for use inthe hydrogenation of oils : en
  • FR897321A - Process for preparing, in particular from annual plants, a cellulose suitable for subsequent chemical transformation : en fr
  • FR897482A - Control device, by lever and connecting rod, of a movable member, with adjustable automatic engagement and release, and application to machine tool components : en fr
  • FR897508A - Auxiliary device for enlarging the supporting surface of the fabric on a sewing machine, in which the hook is arranged in a free arm : en fr
  • DK63279C - Brown pipe with indirectly heated cathode. : da en
  • CA426191A - Gas analyzing apparatus : en fr
  • FR897387A - Process for the preparation of paper for capacitors, of unbleached cellulosic materials : en fr
  • FR897488A - Increase for firearms, rifles and similar weapons : en fr
  • GB568212A - Improvements in or relating to connectors for use with anaesthetic apparatus : en
  • GB568215A - Improvements in or relating to quick release devices : en
  • US2371686A - Serving mallet : en
  • US2371837A - Apparatus for pulping and screening papermaking materials : en
  • FR897408A - Energy storage for cycles : en fr
  • US2371938A - Valve grinder : en
  • US2372000A - Attachment for milling machines and the like : en
  • US2371743A - Bag holder : en
  • FR897506A - Bosses for firearms : en fr
  • FR897405A - Packaging device : en fr
  • FR897421A - Removable attachment for bicycle handlebar grip or similar : en fr
  • USD140639S - Design for a textile fabric : en
  • US2371935A - Joint nail or clip : en
  • US2372096A - Induction regulator : en
  • DK63274C - Fuse to Prevent Temperature Exceedances in Furnace Systems. : da en
  • GB568180A - Improvements in or relating to tanning compositions and processes for tanning : en
  • GB568136A - Improvements in electro-magnetic switches : en
  • US2372166A - Flowmeter : en
  • FR897339A - Motor magnet for control or regulation devices : en fr
  • US2371699A - Aircraft landing gear : en
  • US2371795A - Hinge-axis articulator : en
  • FR897513A - Process for the preparation of adhesive substances : en fr
  • US2372044A - Refrigeration : en
  • US2371985A - Wrapped article and method of wrapping the same : en
  • US2371674A - Method of forming wire coils : en
  • USD140608S - Design for a brooch pin : en
  • FR897503A - electric resistance remote transmitter : en fr
  • US2372074A - Bonded laminated magnetic material : en
  • GB568220A - Improvements relating to reciprocating pumps : en
  • GB568139A - Improvements in or relating to the twisting and winding of yarns : en
  • FR897485A - component for high-frequency equipment : en fr
  • FR897423A - Micrometric wave generators : en fr
  • GB568191A - Improvements in or relating to mechanical toys : en
  • FR897455A - Electrical insulating body in particular for high frequency : en fr
  • US2371847A - Apparatus and method for bonding composite articles : en
  • FR897524A - Bowl drinker inserted in its casing : en fr
  • CA426171A - Dairy equipment cleaning material : en fr
  • FR897442A - Oscillating half-axles control : en fr
  • FR897400A - Flexible control for vehicles : en fr
  • FR897371A - Process for preparing, from cellulosic raw materials and by the sulphite process, celluloses suitable for further chemical treatments : en fr
  • FR897381A - Method for establishing linings for electric induction furnaces : en fr
  • US2371872A - Aircraft power plant : en
  • USD140635S - Design for a store service truck : en
  • USRE22620E - Automatic measuring op cross taiik : en
  • FR897325A - Device for compensating for unevenness of the ground used in motor vehicles, in agricultural vehicles, and, in particular, in trailers : en fr
  • GB568214A - Improved machine for dressing fish : en
  • AU126261B2 - Improvements in shock absorbers : en
  • US2371687A - Air vehicle : en
  • US2372024A - Folding bicycle frame : en
  • US2371598A - Knitting needle : en
  • US2371767A - Vacuum cleaner : en
  • US2371878A - Bolted pallet and skid platform : en
  • US2371952A - Motor and brake assembly : en
  • FR897366A - Device, in particular relay, comprising two tilting members whose relative displacement is, at least in one direction, limited by a stop : en fr
  • GB568111A - Improvements in the construction of bogie trucks for railway and like vehicles : en
  • FR897525A - Process for conducting in a closed circuit the aqueous solution of caustic soda and sulfuric acid used in the manufacture of viscose products : en fr
  • FR897440A - Continuous operation dryer for pasta cut into small pieces : en fr
  • FR897515A - Projectile : en fr
  • FR897406A - Wind motor with automatically adjustable wings : en fr
  • US2371605A - Coating, particularly for manufacture of abrasives : en
  • US2372018A - Conversion of hydrocarbons : en
  • US2372050A - Piston : en
  • US2372121A - Razor sharpener : en
  • DK63281C - Procedure for the Preparation of Insulin Compounds. : da en
  • US2371923A - Toilet deodorizer : en
  • US2371809A - Process for the dehydrogenation of hydrocarbons : en
  • US2371839A - Tractor-mounted implement : en
  • AU190540A - Device for facilitating the handling of oil drums andthe like : en
  • CA426174A - Sausage casing : en fr
  • US2371750A - Coupling for trucks and trailers : en
  • US2371703A - Shoe and method of manufacturing the same : en
  • US2372116A - Amino alcohol esters : en
  • US2371834A - Laundry apparatus : en
  • US2371761A - Selective device : en
  • US2371818A - Thin article removing apparatus : en
  • US2372026A - Hoist load brake : en
  • CA426235A - Drain valve apparatus : en fr
  • US2371888A - Article conveying and uprighting apparatus : en
  • US2372043A - Motor vehicle : en
  • US2371846A - Pump : en
  • US2372057A - Clothesline shield issuing pulley : en
  • CA426190A - Catalyst : en fr
  • US2371995A - Volumeter : en
  • AU127340B2 - Improvements in high frequency electromagnetic induction heating of limited areas : en
  • US2371603A - Temperature measuring instrument : en
  • CA426281A - Centrifugal pump : en fr
  • USD140603S - Design for an earring : en
  • US2371901A - Torque wrench : en
  • AU1978745A - Process for rendering articles uninhabitable for insect pests : en
  • US2371845A - Vending apparatus : en
  • FR897542A - Pull hook suitable for tillage implements, in particular harrows : en fr
  • FR897338A - Seat device for motor vehicles : en fr
  • FR897486A - Rust-protective disinfectants : en fr
  • US2372150A - Resistor : en
  • US2371811A - Wheel cot : en
  • US2372140A - Latch mechanism : en
  • USD140624S - Design fob a tread plate : en
  • USRE22622E - vojght : en
  • US2371850A - Process for dehydrogenation of hydrocarbons : en
  • US2371611A - Reduction in reflection from glass : en
  • US2372106A - Circuit control system : en
  • US2372068A - Electric control circuits : en
  • CA426232A - Speed control system : en fr
  • US2371953A - Drilling weight control system : en
  • USD140611S - Design for a hat : en
  • US2371802A - Endless traction belt : en
  • USPP655P - Variety of sugar cane : en
  • FR897432A - Freewheel hub with drum brake for bicycles, three-carrier tandems or similar, with internal control by counterbalance and with independent external manual control : en fr
  • USD140647S - Design fob a glider : en
  • US2371877A - Conveying apparatus : en
  • US2371832A - Diesel electric drive and control system : en
  • US2371778A - Garment : en
  • USD140619S - Design fob a vanity case : en
  • USD140593S - Design fob an articulated fabric or the like : en
  • US2371624A - Conveyer : en
  • US2371844A - Baby's bed guard : en
  • US2372022A - Signaling system : en
  • US2372086A - Stove : en
  • CA426284A - Power transmission device : en fr
  • GB568222A - Improvements in or relating to fluid pressure operated diaphragm motors : en
  • FR897546A - Method for reducing the static effect of the antenna in the frames under screen : en fr
  • USD140632S - Design fob a box ob similar article : en
  • US2372053A - Yarn tensioning means : en
  • FR897376A - Fixed churn : en fr
  • FR897399A - Device for adjusting an induction machine by means of a converter : en fr
  • FR897505A - Wind-refined steel fabrication process : en fr
  • FR897392A - Tool holder, milling cutter or other similar device : en fr
  • US2371702A - Machine for generating spiral face gears : en
  • US2371842A - Tractor implement : en
  • CA426241A - Reflective decalcomania : en fr
  • GB568205A - Single or polyphase electron discharge device : en
  • FR897416A - Improvements made to electrolysis processes, in particular for obtaining perforated metal films of the sieve type : en fr
  • FR897397A - Block or element for toy construction and games and assemblies formed with this block : en fr
  • FR897415A - Improvements to the processes for obtaining, by electrolysis, metal films, in particular of the sieve type : en fr
  • US2371625A - Refractometer : en
  • US2371970A - Cutting torch : en
  • CA426183A - Salad dressing : en fr
  • US2371848A - Process for the production of butadiene : en
  • US2372138A - Sealing machine : en
  • DK63289C - Holder for ties or similar ribbon-shaped textile articles. : da en
  • DK63294C - Filter well with Filter tube made of Stoneware. : da en
  • FR897407A - Accumulator battery test bench : en fr
  • GB568144A - Improvements in or relating to yachts : en
  • FR897314A - Selenium electric semiconductor, in particular for dry rectifiers : en fr
  • FR897533A - New azo dyes capable of being developed on the fiber : en fr
  • FR897320A - Fast planer for toothed wheel : en fr
  • FR897487A - Textile finishing process : en fr
  • USD140596S - Labeling machine or similar article : en
  • FR897424A - Calculator : en fr
  • FR897404A - Process for the saponification of the surface of sheets, layers or other articles obtained from cellulose esters : en fr
  • FR897446A - Machine gun housing : en fr
  • US2371721A - Landing and launching equipment for flying boats : en
  • US2371655A - Lubricant compositions : en
  • US2371951A - Double diaphragm loud-speaker : en
  • CA426237A - Weeder attachment : en fr
  • CA426244A - Thermionic valve circuit arrangement : en fr
  • GB568200A - Improvements in electric power supply systems : en
  • FR897383A - Container such as cardboard box with closure device : en fr
  • GB568099A - Improvements in or relating to latex tubing : en
  • GB568096A - Improvements in and relating to cloches : en
  • GB568161A - A method and means for electrolytically providing metals with an improved hard wearing surface of chromium : en
  • CA426166A - Heel templet preparing method : en fr
  • CA426255A - Dried blood grouping serum preservation : en fr
  • US2371835A - Steering mechanism : en
  • US2371869A - Method of producing polymers : en
  • US2371648A - Pressure responsive cutout switch and the like : en
  • US2371999A - Device for creating, testing, and measuring stereopsis : en
  • US2371979A - Aircraft landing system : en
  • US2371688A - Molding composition : en
  • CA426213A - Circuit interrupter : en fr
  • US2371944A - Desk calendar : en
  • US2372101A - Feedback circuits : en
  • AU1574744A - Improvements in means for detachably mounting and additional disc or depth roller on the end of a gang of cultivating discs : en
  • US2371657A - Valve assembly : en
  • FR897333A - Electric current rectifier without pump : en fr
  • AU119701B2 - Improvements in rivetting guns or like appliances : en
  • CA426222A - Voltage regulating system : en fr
  • FR897469A - Method for adjusting the sensitivity of reactive masses of carbon monoxide test tubes formed by mixtures of silica-pentaiodium acid-sulfur trioxide : en fr
  • DK63290C - Cold cuts machine. : da en
  • US2371897A - Compensating arrangement for television tubes : en
  • US2372076A - Rotary pump : en
  • US2372107A - Handle for jars : en
  • AU119680B2 - Improvements in or relating to extrusion machines : en
  • USD140602S - Design fob a separable! brooch : en
  • CA426181A - Container loading apparatus : en fr
  • FR897350A - equipment for adjusting the extinguishing points of gas or steam rectifiers : en fr
  • FR897386A - Compressed air hammer or the like with distribution located at the end of the cylinder on the handle side : en fr
  • US2372011A - Method of making lead articles : en
  • US2372017A - Electric control circuits : en
  • FR897336A - Process for checking the machinability, or the resistivity of materials to be worked : en fr
  • FR897431A - Ascending packing press for obtaining fruit juice : en fr
  • FR897512A - Continuous manufacturing process of hydrofluoric acid : en fr
  • US2371947A - Reversible tie : en
  • US2371630A - Cartridge container : en
  • GB568153A - Improvements in or relating to heating apparatus : en
  • GB568186A - Improvements in methods of concentrating ores : en
  • FR897419A - Rotary device for dehydrating and packaging food products more favorably treated with infrared rays : en fr
  • CA426197A - Flash lamp loading apparatus : en fr
  • US2371726A - Conversion of hydrocarbons : en
  • US2371822A - Tractor-mounted harvester : en
  • FR897389A - Process for the manufacture of siliceous bricks : en fr
  • FR897348A - Electric refrigerating cabinet for direct and alternating current : en fr
  • GB568182A - Improvements relating to the treatment of skin and leather materials : en
  • DK63275C - Single-phase asynchronous motor with short-circuited auxiliary windings on the stator made with pronounced poles, especially for the operation of gramophones and similar sound reproducing apparatus. : da en
  • FR897452A - Collector body and method of manufacturing collectors, in particular for small electrical machines : en fr
  • GB568206A - Improvements in or relating to devices for controlling the changing of discs in talking machines with automatic changing of discs : en
  • US2372052A - Lubricants : en
  • GB568106A - Improvements in electric tumbler switches : en
  • CA426164A - Filing device : en fr
  • GB568167A - Improvements relating to electric discharge lamps : en
  • FR897520A - Process for the permanent finishing of textiles of all kinds : en fr
  • FR897535A - Control device of an installation producing alternating voltages : en fr
  • US2371907A - Expansion joint : en
  • US2371775A - Black-out flashlight : en
  • US2371783A - Conveying mechanism : en
  • FR897396A - Control device for operating clutch and starter couplings, in particular for fully automatic mechanisms of motor vehicles : en fr
  • US2372111A - Folding target holder : en
  • US2372131A - Conveyer control : en
  • US2371755A - Disconnecting switch : en
  • US2372069A - Fender shield fastener : en
  • US2372084A - Process of desulphurizing motor fuels and improving octane rating : en
  • US2371977A - Combination tool : en
  • US2372099A - Tuning mechanism for radio receivers and the like : en
  • US2372089A - Decorating machine : en
  • US2372025A - Material handling apparatus : en
  • AU190540B - Device for facilitating the handling of oil drums andthe like : en
  • US2371745A - Ophthalmic mounting : en
  • US2371784A - Sectional pile shell : en
  • US2372002A - Telemetering system : en
  • CA426250A - Razor : en fr
  • US2371672A - Circuit breaker : en
  • US2371868A - Porous polyvinyl chloride compositions : en
  • US2371649A - Electrode holder : en
  • US2371824A - Oil well bailer : en
  • US2371991A - Reinforced tube : en
  • CA426230A - Electric switch : en fr
  • US2371816A - Method for manufacturing continuous outlet strip : en
  • US2371675A - Tray supporting table : en
  • US2371914A - Accounting machine : en
  • US2371932A - Automatic welt turning mechanism of straight-bar knitting machines : en
  • US2372136A - Winding machine : en
  • AU1006843A - Improved construction of slipper and method for its production : en
  • US2371810A - Fluid pressure control mechanism : en
  • AU119695B2 - Draining device for gas heat exchangers of absorption refrigerating apparatus : en
  • USD140623S - Design for a tread plate : en
  • AU119677B2 - Improvements in floating drydock : en
  • AU119686B2 - Improvements in means for detachably mounting and additional disc or depth roller on the end of a gang of cultivating discs : en
  • US2371982A - Impact wrench : en
  • US2372161A - Sulphurized amides and imides of cyclic sulphones : en
  • US2371841A - Shirt case : en
  • CA426214A - Indicating lamp : en fr
  • US2371855A - Constant torque clutch : en
  • US2371819A - Sound reproducing unit and method for making the same : en
  • CA426208A - Circuit breaker mechanism : en fr
  • CA426288A - Thermal insulation material : en fr
  • US2371619A - Process of and apparatus for facilitating and controlling chemical reactions and physical treatments : en
  • US2371729A - Hinge : en
  • US2371679A - Material extruding apparatus : en
  • US2371738A - Electric switch and switch operating mechanism : en
  • CA426188A - Milk bottle cap : en fr
  • DK63276C - Light control device at dial-free Zero Galvanometers, e.g. Rotary coil galvanometers, in particular for light electric regulation. : da en
  • GB568113A - Process of making methylene-bis-4-hydroxycoumarin : en
  • GB568189A - Improvements in or relating to filters : en
  • US2371966A - Sealing means for the piston of a gasholder : en
  • GB568226A - Improvements in or relating to means for stropping razor blades : en
  • US2371651A - Reactance tube system : en
  • GB568130A - Improvements in or relating to wrap-thread feed mechanism for knitting machines : en
  • US2371788A - Cushion : en
  • US2371981A - Time delay system : en
  • CA426167A - Metal shears : en fr
  • FR897476A - Film reel camera, equipped with a focusing viewfinder, with reflex mirror : en fr
  • US2371906A - Multiple-operation machine assembly : en
  • USD140626S - Design for a flag display stand or similar article : en
  • US2371662A - Hitching device : en
  • US2372120A - Rotatable truck standard : en
  • CA426168A - Pencil and clip : en fr
  • US2372085A - Absorption of gases : en
  • US2372139A - Synchronously tripped circuit breaker : en
  • US2371827A - Marker for planters : en
  • US2371857A - Safety brake mechanism : en
  • US2371764A - Black-out device or the like : en
  • US2371882A - Tensioning and anchoring of cables in concrete or similar structures : en
  • US2371974A - Fluid engine : en
  • FR897538A - Thread tensioning apparatus and the like : en fr
  • US2372041A - Synthesis of pantothenic acid : en
  • US2371596A - Hydraulic remote control apparatus : en
  • US2372064A - Centrifugal device : en
  • US2372104A - Vapor-electric device : en
  • GB568133A - Improvements in and relating to bases for electric lamps and similar devices : en
  • CA426169A - Foldable stool : en fr
  • FR897529A - Improvements made to gasifiers, in particular to those used for motor vehicles : en fr
  • GB568142A - Improvements in or relating to machines for bending metal strips : en
  • US2371690A - Shoe tree : en
  • US2371933A - Binders for glass fiber threads : en
  • FR897344A - Process for manufacturing porous molded objects made of superpolyamides : en fr
  • GB568183A - Thyroprotein composition and method of making the same : en
  • CA426279A - Glass melting furnace : en fr
  • US2371612A - Lasting machine : en
  • GB568132A - A new or improved reflector : en
  • GB568137A - Improvements in or relating to turbo-generator installations : en
  • US2371777A - Elastic bed bottom : en
  • US2371680A - Collapsible closet : en
  • US2371728A - Marking roller : en
  • US2371646A - Degreasing process : en
  • GB568188A - Improvements in sectional roofing : en
  • US2372126A - Drop-out fuse device : en
  • US2371892A - Permanent finish for textiles : en
  • US2371659A - Device for straightening freight car ends and the like : en
  • US2371996A - Collector ring assembly : en
  • US2372137A - Shock absorber : en
  • CA426272A - Aircraft propulsion installation : en fr
  • US2371769A - Combination life and swimming belt : en
  • FR897382A - Method and device for manufacturing hollow bodies by cold upsetting : en fr
  • GB568145A - Improvements relating to aeroplanes : en
  • CA426270A - Airscrew blade : en fr
  • FR897373A - Light metal piston with piston ring carrier for internal combustion engines : en fr
  • CA426274A - Gravity meter : en fr
  • FR897477A - Process for manufacturing a steel poor in oxygen, gas and sulfur : en fr
  • FR897310A - electrical equipment with molded plastic bodies and impregnating agent : en fr
  • FR897463A - High voltage trolleybus safety device : en fr
  • FR897474A - Clamping device for parts to be machined using surface milling machines : en fr
  • US2371691A - Preparation of quinolinic acid : en
  • USD140643S - Drinking glass or similar article : en
  • US2371987A - Refrigerating apparatus : en
  • US2371654A - Process for producing cast iron castings : en
  • US2371859A - Flexible rubber mask : en
  • AU895943A - Electrical selector for coin chutes : en
  • US2371939A - Wire laying head : en
  • CA426215A - Bushing seal : en fr
  • AU910043A - Control valve for controlling flow of fluids : en
  • CA426273A - Cellular rubber : en fr
  • CA426207A - Dynamo-electric machine : en fr
  • AU119649B2 - Improvements in means for detachably mounting an additional disc or depth roller onthe end ofa gang of cultivating discs : en
  • FR897430A - Process for treating animal, plant and artificial fibers and fabrics and products obtained with these fibers and yarns to make them resistant to the action of acids and bases : en fr
  • GB568090A - Improvements in or relating to the manufacture of hollow articles from thermo-plastic material : en
  • FR897301A - Method of applying polyamide films to a textile support : en fr
  • FR897511A - Device for attaching sheets, pads of paper or notebooks to binders, books, covers and cardboard boxes : en fr
  • GB568159A - Improvements relating to the repair of retorts or chambers : en
  • AU1004343A - Improvements in electric regulators ofthe carbon pile type : en
  • CA426289A - Artificial filament production : en fr
  • US2371863A - Air supply means for life preservers : en
  • US2371959A - Fire hose safety bracket : en
  • FR897318A - Electrical device to remotely indicate the situation of a liquid with regard to its level : en fr
  • CA426280A - Sponge rubber article manufacture : en fr
  • IE17558L - Dried potato, etc. products : en
  • GB568125A - An improved dielectric material and electric cable : en
  • FR897361A - Combustion engine : en fr
  • US2371636A - Means for determining the surface electrical resistance of conducting sheets : en
  • GB568175A - A new or improved automatic control for a gas supply : en
  • FR897519A - Method for preventing the diffusion of colorless bodies in halogenated silver emulsion films : en fr
  • US2371926A - Can body feed timing mechanism : en
  • FR897354A - Writing ink manufacturing process : en fr
  • GB568163A - Needle scouring and polishing machine : en
  • GB568172A - Improved machine for filling cans and like containers with potatoes and the like : en
  • GB568098A - Improvements in the production of organic esters of cellulose : en
  • US2371817A - Production of diolefins : en
  • US2371678A - grosser : en
  • US2372061A - Control system : en
  • US2371669A - Switch : en
  • US2371803A - Vacuum break milking machine : en
  • GB568105A - Improvements in vacuum apparatus : en
  • US2371972A - Signaling system : en
  • FR897550A - Cooling process for internal combustion engines with fixed in-line cylinders : en fr
  • US2372001A - Pyrolysis products of solid polymers of ethylene : en
  • USD140644S - Design fob a plaque : en
  • DK63283C - Procedure for the manufacture of resins suitable for the manufacture of varnishes. : da en
  • FR897308A - Corpuscular ray apparatus : en fr
  • FR897362A - Movable wheel for centrifugal force compressor and method for its manufacture : en fr
  • US2372158A - Apparatus for charging melting pots of typesetting machines : en
  • GB568192A - Improvements in or relating to solvent extraction apparatus : en
  • CA426269A - Electron multiplier apparatus : en fr
  • CA426252A - Mower : en fr
  • CA426262A - Glass making batch : en fr
  • US2371656A - Lubricant compositions : en
  • AU119684B2 - Improvements in locomotive superheaters : en
  • CA426248A - Elastic filament handling process : en fr
  • GB568127A - Improvements in or relating to curing molds for pneumatic tire inner tubes and otherinflatable rubber articles : en
  • CA426227A - Circuit breaker control system : en fr
  • CA426193A - Motion converting mechanism : en fr
  • US2371671A - Metal rolling process : en
  • US2371676A - Drill grinding device : en
  • US2371718A - Cultivator attachment : en
  • US2371909A - Fluid operated switch : en
  • US2371956A - Conveyer control : en
  • US2372082A - Coiling machine for fine wire : en
  • US2371717A - Manufacture of spun textile fibers : en
  • US2371898A - Parachute with variable surface : en
  • US2371921A - Batten : en
  • AU119699B2 - Improvement in electric lamp sockets : en
  • US2371876A - Winding machine : en
  • US2371913A - Tube closure : en
  • GB568199A - Improvements in or relating to windscreen wiper devices of the rotary type : en
  • US2371920A - Knotless package tie : en
  • US2372119A - Process of making thiocyanates : en
  • USD140617S - Design fob a pliant pipe coupling xjnit : en
  • AU1052343A - Improvements in or relating to extrusion machines : en
  • US2371753A - Stuffing box : en
  • US2372133A - Foundation garment : en
  • AU1047343A - Improvements in or relating to electromagnetic relays : en
  • CA426286A - Luminous sign : en fr
  • US2372159A - Stabilized emulsions : en
  • CA426254A - Accounting machine : en fr
  • CA426243A - Thermionic valve circuit arrangement : en fr
  • GB568168A - Improvements in or relating to frames for photographs and the like : en
  • USD140599S - Hill doll : en
  • CA426221A - Reclosing circuit interrupter : en fr
  • US2371670A - Aircraft package delivery : en
  • US2372127A - Electrical measuring device : en
  • GB568143A - Improvements relating to cold forging machines : en
  • AU119694B2 - Improvements in or relating to electromagnetic relays : en
  • US2371653A - Clutch : en
  • AU129468B2 - Improvements in or relating togas-turbine plants : en
  • AU1050643A - Facsimile apparatus : en
  • US2371916A - Melting apparatus : en
  • US2372132A - Chromans and intermediates and process of producing same : en
  • US2372051A - Adapter for lamp holders : en
  • AU1070943A - Improvements in locomotive superheaters : en
  • FR897315A - Selenium electric semiconductors, in particular for dry rectifiers : en fr
  • FR897502A - Automatic filling system with material protection device, for tank conveyor : en fr
  • CA426239A - Riveting hammer bucking bar control : en fr
  • CA426180A - Vulcanizer : en fr
  • CA426194A - Motion reproducing means : en fr
  • CA426247A - Aircraft undercarriage leg : en fr
  • CA426179A - Casting repair lock : en fr
  • CA426165A - Rotary tooth brush : en fr
  • CA426263A - Fuse for electrical devices : en fr
  • US2371925A - Automatic photoprinting device : en
  • US2371927A - Nut : en
  • US2372125A - Power-driven tool : en
  • US2371853A - Mineral oil composition : en
  • FR897548A - screen for electric conductor : en fr
  • FR897450A - Device mounted using elastic elements : en fr
  • US2371766A - New compound : en
  • US2371727A - Gas valve control attachment : en
  • AU932643A - Improvements in contact banks of switches and cabling arrangements between switches in automatic telephone systems : en
  • US2371936A - Fountain toothbrush : en
  • US2371658A - Method and apparatus for determining current flow in borehole casing or the like : en
  • US2371968A - Telephone booth : en
  • US2371993A - Clutch device : en
  • US2372092A - Preparation of vitamin intermediate : en
  • CA426176A - Lifting device for railway rails : en fr
  • CA426185A - Thread-rolling tool or appliance : en fr
  • US2372147A - Resistance welding : en
  • US2371836A - Motion-picture apparatus : en
  • USD140618S - Design fob a weighing scale : en
  • AU130692B2 - Improvements in or relating to method of and apparatus for fabricating capsules : en
  • US2371706A - Axial flow compressor : en
  • CA426236A - Textile fabric : en fr
  • US2371989A - Telephone system : en
  • US2372020A - Wrapping paper cutting mechanism : en
  • US2371735A - Powdered fuel feeding system for internal-combustion engines : en
  • US2372141A - Machine tool table stop : en
  • AU133239B2 - Improvements in and relating to moulds ior use in building walls : en
  • USD140605S - Design fob a brooch pin : en
  • AU938343A - Improvements in luminescent materials : en
  • US2371641A - Process for removing the sulphoxy group from organic compounds containing this group : en
  • US2371986A - Electromagnetic interrupter : en
  • DK63287C - Self-starter connector for Automobiles. : da en
  • US2371700A - Abrasive articles : en
  • CA426267A - Composite conductor unit : en fr
  • FR897429A - Assembly process for construction sets : en fr
  • US2371806A - Strapping or banding machine : en
  • AU119672B2 - improvements in and relating to selenium cells, and blocking layers and conducting plates therefor : en
  • CA426220A - Electric discharge device : en fr
  • FR897304A - Multiple amplifier station with common parallel input power supply : en fr
  • GB568131A - Improvements in and relating to apparatus for starting electric discharge devices : en
  • GB568173A - Improvements relating to propellor hubs : en
  • USD140630S - Welding electrode holder : en
  • US2372033A - Suction cleaning apparatus : en
  • AU119685B2 - Improvements in and relating to compressors : en
  • US2372039A - Apparatus for raising sunken vessels : en
  • US2371875A - Processing skins : en
  • FR897334A - Use of hydrogen in internal combustion engines : en fr
  • FR897483A - Improvements to chromogenic couplers for color photography : en fr
  • GB568210A - Improvements relating to hedge cutters : en
  • GB568193A - An improved treadle motion for looms : en
  • GB568211A - Improvements in or relating to spot welding machines : en
  • FR897324A - Sliding buckle : en fr
  • US2372108A - Thixotropic acrylate emulsions : en
  • CA426200A - Circuit interrupter : en fr
  • GB568102A - Manufacture of surface active compositions : en
  • US2371711A - Foldable stretcher handle : en
  • US2371665A - Process of classifying metal powders : en
  • US2371697A - Swaging tool : en
  • FR897536A - Envelope receptacle intended in particular for electrolyte capacitors, exposed to rather large temperature differences : en fr
  • CA426225A - Motor protective device : en fr
  • US2371701A - Shuttle brush : en
  • US2371799A - Tape processing machine : en
  • US2371980A - Molding machine : en
  • GB568181A - Process for the improvement of fibrous materials : en
  • FR897464A - Swivel or sliding cover for shaft ovens : en fr
  • GB568196A - Improvements in subtractive colour photography : en
  • GB568166A - Improvements in or relating to electrical measuring apparatus : en
  • US2371772A - Motor controller : en
  • US2371821A - Air blower : en
  • FR897351A - Capacitor switch : en fr
  • FR897540A - Photographic lens : en fr
  • CA426231A - Variable load brake : en fr
  • FR897549A - Arc welding process and equipment : en fr
  • US2372075A - Saturation scheme for direct current generators : en
  • US2371712A - Helmet construction : en
  • US2371713A - Card index : en
  • US2372030A - Rotary wing aircraft : en
  • FR897335A - electrolyte for air oxygen cells : en fr
  • US2371613A - Piezoelectric crystal apparatus : en
  • US2372060A - Method of and apparatus for banding tanks : en
  • US2371614A - Engine connecting rod and method of securing parts together : en
  • US2371852A - Lubricant compositions and methods of making the same : en
  • FR897363A - Mordant for engraving metal printing plates and cylinders : en fr
  • FR897360A - Pressurized fluid brake device : en fr
  • AU128846B2 - Improvements in and connected with electric fuse boxes : en
  • US2372004A - Screw machine : en
  • US2371647A - Degreasing process : en
  • US2372042A - Concrete construction : en
  • FR897302A - alternating-current electromagnet, relay and similar apparatus comprising a magnetic system formed from assembled sheets : en fr
  • FR897309A - Electric transmission : en fr
  • FR897329A - Cylinder cutting process and tools for the manufacture of elongated sheet metal elements : en fr
  • GB568093A - Improvements in and relating to the manufacture of extruded food preparations : en
  • SE113556C1 - : sv
  • US2372072A - Filament storage apparatus : en
  • US2371776A - Structure : en
  • GB568174A - Improvements in parasiticidal preparations : en
  • US2371983A - Supercharged engine for aircraft : en
  • FR897370A - Drawing device for fibers, tapes, films or the like : en fr
  • FR897543A - Electrical feed-through capacitor : en fr
  • GB568148A - Improvements in the driving of ship's steering gear : en
  • GB568176A - Copolymerization : en
  • US2371634A - Production of butadiene : en
  • US2371994A - Bomb rack : en
  • US2371695A - Tube bender : en
  • AU119664B2 - Cyanidation of ore pulps with limited agitation : en
  • US2371597A - Dental equipment stand : en
  • GB568171A - Improvements in clamping devices : en
  • FR897526A - Switch device for switch with contacts : en fr
  • US2371638A - Apparatus for preparing yarn and thread packages for liquid treatment : en
  • US2372148A - Starting control for electric discharge devices : en
  • US2371608A - Ladder : en
  • USD140616S - Design fok a dress : en
  • US2371744A - Eyepiece filter and diaphragm control : en
  • FR897492A - Compounding device, in particular of controlled static converters : en fr
  • FR897457A - Electric sound pickup device : en fr
  • FR897434A - Electric switch : en fr
  • AU1040543A - Improvements in floating drydock : en
  • CA426292A - Electric filter device : en fr