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  • CA399800A - Printing machine : en fr
  • GB540179A - Improvements in or relating to mechanical amplifiers for telephone subsets : en
  • DE711823C - Process for the preparation of ketones of the cyclopentanonhydrophenanthrene series : de en
  • DE711807C - Circuit for telephone systems, in particular automatic or semi-automatic N-extension systems : de en
  • DE711808C - Circuit arrangement for group stations, in which the subscribers of the group stations can independently establish callback connections and the setting procedures as well as the supply of the subscriber stations involved in a callback connection via the single two-wire connection line are carried out exclusively using power sources from the main office : de en
  • DE711885C - Paints for metals : de en
  • DE711979C - Process for refreshing amalgam printing forms using mercury : de en
  • AU113919B2 - Improvements inthe manufacture of toilet soap : en
  • FR867228A - Remote control device : en fr
  • US2257733A - Apparatus for drilling terrestrial bores : en
  • DE711817C - Device for loosening pipe connections : de en
  • CA399891A - Shovel : en fr
  • US2257840A - Hearing aid amplifier : en
  • US2257994A - Mattress : en
  • GB540217A - Improvements in or relating to luminous electric tubes and holders therefor : en
  • CA399897A - Typewriter keyboard : en fr
  • FR867259A - Brake linkage improvements : en fr
  • FR867213A - Process for preparing hydrogen peroxide : en fr
  • FR867261A - Lurifying fat : en fr
  • DE711938C - Composite crankshaft for internal combustion engines : de en
  • GB540241A - An improved device for applying emollient and like substances to body tissues : en
  • CA399823A - Crank-case ventilating system : en fr
  • CA399803A - Aeral tramway hangar : en fr
  • GB540186A - Improvements in and relating to valves : en
  • FR867208A - Dry gas meter : en fr
  • DE711936C - Sound or picture sound device : de en
  • DE712049C - Push button switch to induce fast and powerful impulses : de en
  • FR867219A - Twin oven for charring wood : en fr
  • US2258091A - Zero printing control mechanism : en
  • GB540119A - Improvements relating to steam generating and superheating installations, and to themethod of operating the same : en
  • CA399766A - Beverage container : en fr
  • US2257830A - Frequency-modulated radio altimeter : en
  • CA399826A - Aluminium article coating method : en fr
  • US2257765A - Cementing device for well casings : en
  • US2258485A - Control valve : en
  • US2258505A - Valve seat grinder stone carrier : en
  • USD129905S - Design for a clock : en
  • DE711814C - Roll film camera : de en
  • DE711964C - Rubber-insulated electrical cable, especially for high voltages : de en
  • DE712059C - Surface processing device, especially for floors : de en
  • GB540137A - Improvements in and relating to resilient couplings, mounting devices and the like : en
  • GB540204A - Arm-chair or the like which can be converted into an easy-chair or into a bed : en
  • GB540229A - Improvements in and relating to the casting of metals : en
  • US2257891A - Coin tray : en
  • US2258377A - Chuck and tool holding device : en
  • US2258287A - Adenotome : en
  • DE711907C - Device for pressing hollow bodies closed at one end : de en
  • US2258556A - Protecting goods from vermin : en
  • US2258044A - Mounting bracket for lavatories or the like : en
  • DE711879C - Condenser for refrigeration machines : de en
  • US2258375A - Wrist pin tool : en
  • US2258317A - Antproof dome : en
  • US2258330A - Finger printing device : en
  • US2258487A - Stitch regulating mechanism for sewing machines : en
  • DE712030C - Transmitter arrangement for directing aircraft on a flight route : de en
  • US2257800A - Alloy-skeleton catalyst : en
  • US2258554A - Surgical emergency signal : en
  • US2257908A - Preparation of ketoximes : en
  • US2258479A - Inserting machine : en
  • DE711759C - Process for the production of valuable lime salts : de en
  • US2258356A - Film splicer : en
  • US2258536A - File holder : en
  • US2258579A - Electroforming method of making molds : en
  • US2258052A - Spiral guide and tubing holder : en
  • US2258530A - Storage and like equipment : en
  • US2257790A - Mercury arc converter : en
  • US2257988A - Process of producing aluminum alloys : en
  • USRE21917E - Evaporative cooler : en
  • FR867237A - Carrier wave transmission systems : en fr
  • GB540108A - Improvements in or relating to the stretching of textile filaments or threads : en
  • DE711666C - Process for the production of a porphine derivative with cysteine-containing side chains : de en
  • US2258020A - Tube holding device : en
  • US2258149A - Device for producing rapidly flying ions : en
  • US2258316A - Flexible pocket receptacle : en
  • US2258576A - Circumferentially tightening packing ring : en
  • GB540109A - Improvements relating to dynamo regulators : en
  • US2258119A - Adjustable seat structure for motor vehicles and the like : en
  • GB540249A - Improvements in casting copper chromium steels : en
  • GB540214A - Coffee and tea tablets : en
  • US2258147A - Coupling circuit : en
  • USD129853S - Design for a brooch or similar article : en
  • GB540099A - Improvements in and relating to safety razors : en
  • DE711859C - Aircraft wheel with inner brake drums arranged on both sides of the wheel : de en
  • US2258498A - Handbag frame : en
  • DE711967C - Fur hair removal machine : de en
  • US2257987A - Clutch construction : en
  • US2257929A - Apparatus for washing dishes, silverware, and the like : en
  • US2258201A - Apparatus and method for separating values from value-bearing materials : en
  • US2257900A - Tube switch : en
  • US2258262A - Adjustable support for yarn packages : en
  • GB540144A - Improvements in or relating to electric condensers : en
  • GB540270A - Hard facing of metals : en
  • US2258164A - Screen for photography in relief : en
  • US2258430A - Dredge bucket : en
  • US2258459A - Hub and wheel structure for fans or blowers : en
  • USD129858S - Best available copy : en
  • GB540172A - Improvements in or relating to electric protective systems : en
  • GB540276A - Process and device for the continuous casting of small-section ingots without surface depressions : en
  • CA399821A - Internal combustion engine : en fr
  • US2257978A - Extraction of vanadium values from vanadium-bearing material : en
  • US2258100A - Process for making garments : en
  • US2258185A - Bottle hooding machine : en
  • USD129809S - Best available : en
  • US2258098A - Camera : en
  • US2258544A - Illuminated vanity case : en
  • US2258235A - Heating of fluids : en
  • DE711743C - Venting extrusion press for clay or the like. : de en
  • DE712080C - Fixed slide for mining operations, in which the slide sections are connected by chain pieces arranged on the side walls : de en
  • US2257925A - Domestic refrigerator : en
  • GB540262A - Improvements in or connected with shedding means for circular weaving looms : en
  • DE711866C - Production of polymeric metaphosphates or polyphosphates in the form of easily soluble powders or pellets : de en
  • US2258012A - Nail manicure machine : en
  • USD129839S - Design for a bathing bag : en
  • CA399789A - Jar closure : en fr
  • DE711961C - Process for the precipitation of S9, HCI and phosphoric acid mist and warfare agent clouds that occur in commercial operations : de en
  • FR867226A - Soap, process and tools for its manufacture : en fr
  • GB540208A - An improved process for concentrating olefins and separating the same from gaseous mixtures : en
  • US2257861A - Dentist's casting machine : en
  • USD129849S - Design for a pin clip : en
  • USD129888S - Riesenberg dress ensemble : en
  • US2257956A - Furnace grate : en
  • USD129884S - Design for a dress : en
  • DE711728C - Collapsible frame for camp beds or the like. : de en
  • FR867227A - Method and device for measuring and controlling the dimensions of a part : en fr
  • DE711826C - Method for differentiating the four zeros present in an ambiguous night-time effect-free DF receiving system : de en
  • US2257916A - Air conditioning system : en
  • US2258087A - Vegetable cutter : en
  • US2258212A - Typewriting machine : en
  • DE712046C - Device for counting the axles of a train : de en
  • DE711840C - Process for polymerizing butadiene hydrocarbons : de en
  • US2257845A - Slug casting machine : en
  • US2258431A - Heat treating furnace : en
  • US2258445A - Apparatus for vaporization : en
  • US2258491A - Bay construction for housing : en
  • USD129902S - Textile fabric or similar article : en
  • US2258418A - Sample display book : en
  • US2258427A - Electrical apparatus : en
  • US2258513A - Pulley rim drive for sprocket wheels : en
  • US2257782A - Amplifier : en
  • US2258123A - Relay : en
  • US2258350A - Stock feeder : en
  • CA399873A - Ore beneficiation and product : en fr
  • GB540207A - Improvements in or relating to hydraulic machinery : en
  • AU315041A - Improvements relaing to machines for automatically producing pressure-shaped articles, more especially tapered bore rivets : en
  • CA399790A - Container sealing apparatus : en fr
  • US2258288A - Printing machine for margarine or the like : en
  • US2258402A - Refrigerator car : en
  • US2258265A - Shoe : en
  • US2258320A - : en
  • USD129834S - Design fob a jewelry finding or similar article : en
  • US2258508A - Cable sheath protector : en
  • US2258170A - Cigarette lifting jack : en
  • US2258543A - Illuminated vanity case : en
  • DE711748C - Device for the continuous determination of the proportion of certain substances in mixtures of substances, in particular the moisture content of solid substances : de en
  • US2258519A - Apparatus for distributing materials : en
  • US2257935A - Outdoorsman's coat : en
  • CA399783A - Internal combustion engine device : en fr
  • AU414140A - Improved means for use inthe destruction of silverfish : en
  • US2258370A - Television receiver video circuit : en
  • US2258413A - Gem setting : en
  • DK59088C - Rail vehicle with three Bogies. : da en
  • US2258323A - Automatic fuel shutoff for vehicles : en
  • CA399805A - Telephone system : en fr
  • GB540162A - Improvements in and connected with electric cable clamps : en
  • AU348740A - Improvements in and relating tothe destruction of insect infestation in bulk products such as flour : en
  • CA399755A - Variable speed transmission mechanism : en fr
  • AT160677B - Process for creating contrasts and suitable layers. : de en
  • US2258463A - Desludging device : en
  • US2257766A - Series connected envelope and check : en
  • US2257915A - Air conditioning system : en
  • US2258031A - Reinforced article : en
  • US2258433A - Drag harrow : en
  • CA399819A - Textile printing press : en fr
  • FR867278A - Gasifier and filter for internal combustion engines : en fr
  • DE711923C - Terminal for electrical lines : de en
  • US2258160A - Internal combustion engine : en
  • US2258232A - Circuit breaker operating mechanism : en
  • USD129850S - Brooch or similar article : en
  • US2257945A - Method of and apparatus for treating grease : en
  • AU116666B2 - Anew method of position finding by electromagnetic waves : en
  • CA399828A - Electron multiplier : en fr
  • US2258264A - Wall fixture : en
  • FR867282A - Improvements to amplifiers : en fr
  • GB540091A - Improvements in or relating to grinding or shaping machines : en
  • DE711719C - Continuously operated, externally heated, straight direct current chamber furnace for the production of synthesis gas from fuels : de en
  • USD129810S - Bestavallablecopf : en
  • US2257755A - Heater for internal combustion engine cooling water : en
  • DK59093C - Fyrspand. : da en
  • USD129895S - Design fob a foundation gakment : en
  • US2257728A - Rectifier : en
  • GB540225A - Improvements in or relating to the production of carboxylic acids : en
  • GB540232A - Electrical high frequency wave transmission systems : en
  • GB540268A - Instrument for applying weed killer : en
  • US2258347A - Shear : en
  • USD129861S - Design for an ash tray or similar article : en
  • GB540269A - Improvements in and relating to driving mechanisms for potters' jiggers and the like : en
  • CA399881A - Hydrometer syringe : en fr
  • US2257962A - Bolt and wedge assembly : en
  • US2258580A - Spool or reel : en
  • US2258250A - Protection of electric systems : en
  • FR867250A - Hot air generator for heating and other applications : en fr
  • GB540155A - Improvements in and relating to machines for closing preserving containers and the like : en
  • GB540245A - Improvements in modulation systems for radio and like transmitters : en
  • DE711865C - Method for rapidly drying washed coal : de en
  • DE711707C - Roll film camera with spring mechanism : de en
  • GB540192A - Improvements in and relating to coil or spiral springs : en
  • DE711869C - Arrangement for generating high electrical DC voltages : de en
  • DE711968C - Swivel chair : de en
  • US2258573A - Manifolding pack : en
  • DE711765C - Arrangement for the translation of pulse combinations : de en
  • GB540081A - Improved electrical circuit arrangement for converting a voltage or current which rises in a non-linear manner into a voltage or current rising substantially linearly : en
  • US2258064A - Sealed electric motor : en
  • US2258441A - Manufacture of antimony oxides : en
  • US2257975A - Air conditioning system : en
  • US2258233A - Motor operated circuit breaker mechanism : en
  • US2258198A - Safety razor : en
  • CA399867A - Detergent aid : en fr
  • US2257797A - Electric protective device for luminous electric discharge tube systems : en
  • US2258225A - Sprocket : en
  • US2258552A - Cold rolling solution : en
  • CA399799A - Magnetic material detector : en fr
  • FR867295A - Electronic discharge devices : en fr
  • DE711569C - Drive mechanism for calculating machines : de en
  • DE711908C - Circuit for hand-operated block devices : de en
  • FR867256A - High catalyzing power charcoal : en fr
  • DE711871C - Artificially cooled, closed high-pressure mercury vapor discharge tubes serving to emit rays : de en
  • FR867241A - Advanced mixer for gasifiers : en fr
  • GB540156A - Improvements relating to hose and like couplings : en
  • GB540187A - Improvements relating to electric communication systems : en
  • GB540185A - System of transmission of electrical waves : en
  • DE712084C - Spring arrangement on box magazines for firearms : de en
  • USD129890S - Design fok a panty girdle : en
  • DE711835C - Process for the production of spun fibers from corn stalks : de en
  • DE711881C - Gas-filled electric vehicle headlamp bulb with low nitrogen addition for gas filling and built-in screen : de en
  • US2258010A - Windshield cleaner : en
  • US2258305A - Production of sulphur from hydrogen sulphide : en
  • USD129843S - Design for a pin or similar article : en
  • DE711796C - Brake drum for vehicles of all types, especially motor vehicles : de en
  • CA399854A - Hardwood tar oil extraction : en fr
  • US2257970A - Tray for watermelons : en
  • DE711787C - Industrial sewing machine drive : de en
  • DE712051C - Small quick switch : de en
  • DE712022C - Device for impregnating brown coal briquettes : de en
  • GR9680B - GASOLINE LIGHTER. : el en
  • CA399774A - Spark plug cap : en fr
  • AT160678B - Process for developing chlorine silver papers in neutral black tones. : de en
  • CA399841A - Manifold set : en fr
  • USPP491P - Carnation : en
  • AU113943B2 - New and useful improvements in rough turning lathes for shells : en
  • CA399798A - Magnetic material detector : en fr
  • DE712041C - Star reel for winding wide, especially printed, lengths of material : de en
  • DE711875C - Painting method : de en
  • US2257801A - Refrigerating apparatus : en
  • US2258285A - Nesting shipping drum with hoops therefor : en
  • US2258066A - Pipe joint : en
  • US2258277A - Brassiere : en
  • CA399844A - Oil burner adjusting device : en fr
  • USD129881S - Design for a dress : en
  • CA399895A - Electrical vehicle control device : en fr
  • CA399877A - Directive radio system : en fr
  • DE711758C - Device for simultaneous double-sided printing of fabric webs using templates : de en
  • DE711863C - Process for the production of materials and workpieces from artificial mineral fibers and a hydraulic binder : de en
  • DE711905C - Press stud fastener acting as a seal for bags and bags : de en
  • US2258213A - Typewriting machine : en
  • CA399874A - Pressure relief device : en fr
  • US2257771A - Brake : en
  • US2258217A - Gyratory apparatus : en
  • US2258210A - Chocolate serving urn : en
  • USD129830S - Design for a linked chain or similar article : en
  • CA399816A - Off peak water heater control : en fr
  • CA399796A - Oil pressure operated switch for motor vehicles : en fr
  • AT160655B - Ignition device for internal combustion engines. : de en
  • US2258114A - Cam follower mechanism : en
  • AU113917B2 - Improvements in and relating to apparatus for polishing glass : en
  • AT160653B - Process for the production of refractory products from magnesium orthosilicate or substances containing magnesium orthosilicate. : de en
  • US2257903A - Mixture of isomeric ethyl dibromobenzenes : en
  • US2258340A - Cutting torch : en
  • AT160670B - Process and device for the electrolytic decomposition of organic compounds. : de en
  • US2257812A - Ophthalmic mounting : en
  • US2258190A - Unitary packing and gland structure : en
  • US2258368A - Making motor fuel : en
  • US2258458A - Control of refrigerating fluids : en
  • DE712045C - Circuit for drives in railway safety devices : de en
  • US2258187A - Integral mask for multicolor film : en
  • US2258209A - Breast form and brassiere : en
  • US2258329A - Ball rolling game : en
  • US2257893A - Reversible rotary motor : en
  • CA399830A - Sulphanilamide phosphoric acid derivative : en fr
  • US2258292A - Art of regulating the growth of plants : en
  • US2258301A - Lubricant for the lubrication of ball bearings and similar antifriction bearings : en
  • US2258312A - Mouthpiece : en
  • US2258528A - Pipe union : en
  • US2258522A - Receptacle closure : en
  • US2257896A - Catalytic treatment of hydrocarbons : en
  • US2258027A - Tire groover : en
  • US2258514A - Combination tool : en
  • US2258254A - Electrical discharge device : en
  • US2258304A - Cavity camera : en
  • US2258371A - Rotary piston machine with rotor of yieldable material : en
  • US2258540A - Illuminated vanity case : en
  • USD129898S - Design for a molding machine or the like : en
  • US2258365A - Connector : en
  • DE711839C - Device for retreading the tread of rubber tires : de en
  • US2258135A - Pipe joint : en
  • US2257931A - Smoke eliminator : en
  • US2257835A - Motor vehicle : en
  • DE711960C - Process for breaking down cellulosic substances using hydrogen halide : de en
  • DK59084C - Process for the Preparation of 17-Mono Derivatives of 3,17-Diols of the Cyclopentanopolyhydrophenanthrene Group. : da en
  • GB540086A - Improvements in and relating to electric insulating material : en
  • GB540126A - Improvements in or relating to gas discharge tubes : en
  • DE711749C - Cash register or accounting machine with a printing unit for single amount and net checks : de en
  • GB540164A - Improvements in or relating to baskets : en
  • DE711714C - Through connection for a train of wagons formed in particular from rail vehicles : de en
  • GB540111A - Improvements in or relating to filters : en
  • DE711726C - Dishwasher : de en
  • US2257831A - Ski seat : en
  • US2258040A - Cushion seal bearing : en
  • US2258380A - Process of color analysis and color synthesis for the projection of colored pictures in photography and cinematography : en
  • FR867288A - Improvements made to gasifier feed systems for internal combustion engines : en fr
  • GB540224A - Improvements in or relating to means for obtaining a control effect from a gyroscope : en
  • CA399855A - Tractor wheel cleat : en fr
  • GB540171A - Electromechanical wave filters : en
  • FR867235A - Indicating devices actuated by electrical pulses : en fr
  • FR867264A - Synchronization signal separators : en fr
  • DE712040C - Device for rolling threads, in which bolts to be provided with thread are arranged between two thread rollers and supported on its underside by an abutment : de en
  • DE712073C - Sheaf and grain collectors for binders : de en
  • US2257921A - Chuck jaw actuating mechanism : en
  • DE711999C - Sheet metal radiator : de en
  • US2257867A - Water circulator : en
  • DE711737C - Ready-to-install, housing-less shaft seal for sealing against corrosive liquids and gases : de en
  • DE711857C - Liquid pump with automatic control and stepless backflow regulation : de en
  • US2258313A - Film scraper : en
  • GR9678B - GLUE IN POWDER. : el en
  • DE711766C - Holder for touch microphones : de en
  • DE711856C - Process for obtaining a flour containing almost all parts of the grain : de en
  • CA399896A - Glass fibre sheet, felt and mat manufacture : en fr
  • GB540200A - Chain-stitch sewing machine : en
  • FR867281A - Aminoplastic condensation products : en fr
  • US2258279A - Process for extraction : en
  • FR867215A - Method and apparatus for removing hollow or lighter grains from wheat : en fr
  • DE711622C - Dry working gas extractors : de en
  • CA399807A - Engine starter gearing : en fr
  • DE711793C - Headlight glare protection for full view cockpits of aircraft : de en
  • DE711925C - Installation auto switch : de en
  • DE711991C - Airspace insulated high frequency marine cable : de en
  • DE711517C - Tiltable headlight : de en
  • FR867260A - Di-morpholine compounds and their preparation process : en fr
  • GB540150A - Improvements in or relating to wheeled vehicles of the elevator type : en
  • GB540248A - Improvements in or relating to sewing machines : en
  • US2257918A - Facsimile apparatus : en
  • US2258065A - Hinge structure : en
  • DE711760C - Process for the production of sulphonation products from phosphoric or boric acid esters : de en
  • US2258132A - Perfume fixative : en
  • US2258461A - Unstacking elevator : en
  • US2257786A - Socket for pin base lamps and tubes : en
  • US2257850A - Generative gear grinding machine : en
  • US2258080A - Artificial bait : en
  • DE711736C - Shaft bearing with adjusting device for the bearing shells : de en
  • US2258007A - Accelerator control device : en
  • US2258420A - Self-lubricating bearing : en
  • DE711818C - Device for introducing and ejecting the mandrel holder on pipe push rods : de en
  • US2258092A - Method for flocking : en
  • US2258230A - Valve : en
  • US2258449A - Ground wheel mounting, especially for trailers : en
  • GB540236A - Retractible wing tip floats for flying boats and like aircraft : en
  • FR867201A - Radio telemetry : en fr
  • US2258355A - Test and focusing means for light signals : en
  • US2258424A - Hardness testing machine : en
  • GB540181A - Improvements in or relating to contacts associated with electric batteries : en
  • US2258414A - Denaturant : en
  • GB540193A - Improvements in or relating to electric amplifying systems : en
  • DK59098C - Sorting and Stamping Machine for Eggs. : da en
  • DE711924C - Contact spring : de en
  • US2258567A - Method for conserving flavoring materials : en
  • US2258518A - Rotary kiln lining : en
  • US2257740A - Method and apparatus for coating articles : en
  • USD129872S - Design fob a woven textile fabric : en
  • US2257997A - Breaking petroleum emulsions : en
  • GB540177A - Improvements in the manufacture of bearings : en
  • US2257779A - Monotype mold blade lubricator : en
  • US2257757A - Radio compass navigation apparatus : en
  • FR867240A - Cupro-arsenicals : en fr
  • DE711867C - Sending arrangement for short pulses : de en
  • FR867255A - Device preventing the progression of a vehicle : en fr
  • DE711802C - Electric clock with not self-starting synchronous motor and conical pendulum : de en
  • DE712037C - Device for surface cleaning (descaling) of steel straps : de en
  • DE712058C - Process for the production of long hackable and spinnable fibers from cereal straw : de en
  • US2258358A - Dispensing device : en
  • US2258207A - Artificial denture retainer : en
  • DE712087C - Gas pressure charger : de en
  • DE712024C - Device for moving the doctor blade to and fro in gravure printing machines : de en
  • DE712031C - Method for grinding threads, in particular internal threads : de en
  • USD129803S - Best available cop : en
  • USD129847S - Design for a bottle : en
  • USD129867S - Dunmire portable oil filtering unit : en
  • US2258038A - Scraper bowl : en
  • DE711889C - Process for the production of condensation products : de en
  • US2257824A - Rotor : en
  • US2258048A - Separator loading machine : en
  • US2258248A - Protection of alternating current electric systems : en
  • US2257966A - Guard support for ophthalmic mountings : en
  • US2258435A - Electrode : en
  • CA399880A - Storage battery : en fr
  • US2258220A - Resinous materials and insulated conductors and other products utilizing the same : en
  • US2258437A - Gas tube : en
  • AU113916B2 - Reversible ratchet clutch : en
  • US2257940A - Airplane having a liftable pusher plant : en
  • US2257780A - Process for concentrating formaldehyde solutions : en
  • US2258140A - Combined camera and light control apparatus : en
  • DE711745C - Floor guide device of a sliding door, especially for rail vehicles : de en
  • CA399856A - Carton making and sealing apparatus : en fr
  • DE711776C - Clamping device for skins : de en
  • DE712056C - Process for the production of a stocking on the flat weft knitting machine, in which the heel parts are subsequently worked on and at the same time the inner heel part edge is connected to the first row of the sole : de en
  • GB540246A - Improvements in steam traps with thermostatic valves : en
  • US2257788A - Blue monazo dye : en
  • US2258416A - Rotary pump : en
  • US2258203A - Endgate : en
  • DE712026C - Process for regenerating the scrubbing liquids used to remove hydrogen sulfide from gases : de en
  • DE704077C - Circuit arrangement for modulating transmitters : de en
  • DE711953C - Process for the production of plywood panels with burned face veneer : de en
  • US2258084A - Tent : en
  • US2258105A - Candy polishing machine : en
  • US2258174A - Apparatus for cleaning conduits : en
  • USD129845S - Design foe a knife : en
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  • FR867202A - Improvements to heating elements : en fr
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  • DE711984C - Articulated trolley : de en
  • DE711983C - Device for locking tiltable conveyor wagon containers : de en
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  • GB540239A - Impact wrench : en
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  • US2258506A - Thermostatic damper mechanism : en
  • US2258328A - Driving wheel : en
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  • US2258238A - Method for manufacturing floor mats : en
  • US2258357A - Rotary atomizer : en
  • FR867273A - Improvements to gyroscopic devices and more particularly to gyroscopic compasses : en fr
  • GB540281A - Improvements in television : en
  • DE712033C - Locking device for the sliding wedge of a wedge block, which replaces a beam of a hiking pillar as a release device : de en
  • USD129816S - Design for a plate or similar article : en
  • USD129801S - Best available : en
  • US2258151A - Phase corrector for telegraph systems : en
  • AU113922B2 - Production of malleable iron : en
  • CA399817A - Sadiron : en fr
  • CA399777A - Culinary tongs : en fr
  • US2258523A - Door or screen : en
  • AT160654B - Process for keeping milk and other dairy products fresh. : de en
  • US2257877A - Disk clutch : en
  • US2257905A - Measuring and controlling apparatus : en
  • US2258440A - Amplifying system : en
  • US2258141A - X-ray tube and method of making : en
  • US2258191A - Needle motion for looms : en
  • DE711755C - Insole : de en
  • DE711900C - Tread chain link for tire anti-skid chains : de en
  • US2258415A - Refrigerating apparatus : en
  • US2258542A - Illuminated vanity case : en
  • US2257781A - Distributor : en
  • US2258310A - Treatment of spent pickle liquor or the like : en
  • AT160651B - Process for the preparation of diketones of the cyclopentanopolyhydrophenanthrene series. : de en
  • US2258538A - Loom with stationary weft supplies : en
  • USD129838S - Design for a railroad crossing signal : en
  • DE711915C - Process for the production of terpene ethers : de en
  • DE712050C - Circuit breaker with arc extinguishing by flowing compressed gas : de en
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  • US2257910A - Process of condensing magnesium vapors : en
  • US2258405A - Electrically controlled motorized typewriter : en
  • DE711955C - Toy pinwheel made from zellhorn : de en
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  • AT160679B - Method for the mortarless masonry of refractory bricks. : de en
  • DE711770C - Process for applying band-shaped core material to finished coils or windings of transformers, chokes or the like. : de en
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  • US2258229A - Pressure responsive device : en
  • USD129818S - Combined watch testing and display device or the like : en
  • GB540219A - Improvements in or relating to the waterproofing of cellulosic materials : en
  • US2258223A - Mounting of cylindrical lenses : en
  • CA399771A - Jewelry setting : en fr
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  • CA399758A - Engine fuel injection system : en fr
  • DE711788C - Bag sewing machine : de en
  • CA399833A - Tabulating machine : en fr
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  • US2257759A - Clutch mechanism : en
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  • US2258214A - Elastically connected mine car bumper : en
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  • US2258359A - Wheel mounting : en
  • US2258465A - Slack take-up device : en
  • US2258494A - Corn sheller : en
  • CA399782A - Screw-machine pusher : en fr
  • CA399761A - Locking washer : en fr
  • CA399888A - Circular loom : en fr
  • DE712081C - Process for the production of chunky activated carbons : de en
  • DE711762C - Cooling plate with automatic, electrically operated cooling device : de en
  • US2257898A - Chuck : en
  • US2258166A - Bobbin holder : en
  • GB540141A - Improvements in or relating to fuse boxes and like distribution board boxes for electrical installations : en
  • DK59083C - Procedure for the preparation of mono-, di- or tribromo compounds of phytol. : da en
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  • DE712018C - Tightly closing winding device for watches : de en
  • GB540159A - Ultra-short-wave radio systems : en
  • DE711978C - Process for the preparation of nucleosides : de en
  • DE712007C - Device for processing the amniotic fluid from potatoes u. like : de en
  • DE711888C - Process for the refinement of synthetic resins : de en
  • DE711958C - Process for packaging goods that must not fall below a certain moisture content : de en
  • US2258565A - Air conditioning system utilizing refrigeraton : en
  • USD129851S - Design for a pin clip : en
  • US2258349A - Drive mechanism for axle driven speed responsive device for railway trains : en
  • GB548373A - Electricity conductor unit : en
  • DE712006C - Device for generating impact sounds : de en
  • US2258570A - Railway car axle bearing : en
  • DE712012C - Method and apparatus for producing a knotless hanger for sausage sleeves : de en
  • DE709760C - Image splitting tube with mosaic electrode exposed and scanned from the same side : de en
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  • DE711785C - A file made up of several file blades placed next to one another : de en
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  • DE711804C - Weft bobbin with built-in electrical chain guard for looms with inevitable weft bobbin drive : de en
  • DE711825C - Switching arrangement for bolt magnets to control electrical switch locks : de en
  • FR867245A - Improvements to alkaline nickel batteries : en fr
  • GB540110A - Improvements in and relating to spark plugs : en
  • FR867223A - Device for cutting glass ampoules : en fr
  • FR867297A - Coupling device of a single-cycle sidecar : en fr
  • DE711809C - Push button switch : de en
  • DE711842C - Self-collecting device for issuing goods or coins or goods and coins corresponding to a remaining amount : de en
  • DE712029C - Centrifugal pump with ventilation pump : de en
  • DE712057C - Piston compressor with automatic, springless pressure valves : de en
  • DK59086C - Procedure for the Preparation of Homologues of d, l-Tocopherols. : da en
  • US2258286A - Fall-board structure for pianos or the like : en
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  • US2257869A - Insulating oil compositions : en
  • US2258408A - Ampoule sealing machine : en
  • CA399818A - Reflective material : en fr
  • DE711974C - Device for shutting off gas lines : de en
  • DK59094C - Connecting device at Parquet poles. : da en
  • US2258068A - Control mechanism for change speed gearing : en
  • US2258195A - Circuit breaker mechanism : en
  • US2258558A - Apparatus for obtaining photographs in color by projection copying : en
  • DE711722C - Seal for centrifugal molds : de en
  • US2258451A - Process of making negatives in metal of metal surfaces : en
  • US2258499A - Ironing machine structure : en
  • GB540173A - Improvements in or relating to manual adjusting or setting mechanisms particularly for use in indicating instruments : en
  • GB540175A - Improvements in the method of and apparatus for cleaning lubricant receptacles and the like : en
  • GB540278A - Improvements in and relating to devices for extracting or inserting studs or for useas chucks or other gripping or holding devices : en
  • GB540280A - Improvements in or relating to boxes and like containers : en
  • USD129879S - Design fob a dress : en
  • US2257754A - Couch : en
  • US2257984A - Automatic shaper guard : en
  • US2258333A - Manufacture of golf balls and the like : en
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  • US2258253A - Timing apparatus : en
  • US2258422A - Apparatus for treating photographic prints : en
  • USD129908S - Design for a rotary toothbrush : en
  • CA399767A - Precast concrete construction unit : en fr
  • DE711939C - Nozzle arrangement in injection internal combustion engines : de en
  • DE711812C - Method and device for the metallographic examination of metal surfaces : de en
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  • DE712023C - Device for interrupting the briquette strand on briquette cooling channels : de en
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  • GB540194A - Improvements in or relating to laminated or leaf springs for vehicles : en
  • GB540233A - Electrical signalling systems : en
  • AT160663B - Exchange switch frame for wire radio. : de en
  • US2258017A - Waste connection : en
  • US2257798A - Apparatus for use in conditioning fibrous material : en
  • US2257899A - Manufacture of glycerol monochlorohydrin : en
  • AU113951B2 - Improvements in or relating tothe manufacture of amino-cyclic sulphonamides and their derivatives : en
  • AU362440A - Improvements in 'push' type cocks or taps : en
  • US2257872A - Insulating oil composition : en
  • US2258553A - Method and machine for making roofing tiles : en
  • USD129885S - Design for a dress : en
  • US2257897A - Method and apparatus for dispensing gas material : en
  • USD129882S - Design fob a dress : en
  • US2258072A - Switching apparatus for electric circuits : en
  • US2258455A - Engine starter gearing : en
  • CA399876A - Power unit : en fr
  • US2258428A - Process of and apparatus for dividing a web : en
  • US2258165A - Floor brush : en
  • US2258531A - Amusement device for small children : en
  • US2257999A - Translucent picture projection screen and manufacture thereof : en
  • CA399829A - Alkali metal sulphite manufacture : en fr
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  • US2257996A - Vertical directional device : en
  • US2258171A - Monosaccharose ethers from polysaccharide ethers : en
  • US2257744A - Variable speed transmission device : en
  • US2258059A - Stone crusher : en
  • GB540170A - Improvements in power transmission mechanism : en
  • DE711989C - Vehicle brake with gear ratio change provided in the brake linkage : de en
  • US2257890A - Lubricating composition : en
  • DE711862C - Heat detector : de en
  • DE712020C - Process for the saccharification of small wood : de en
  • DE712064C - Process for regenerating vulcanized rubber : de en
  • DE712072C - Depositing and collecting device for potato harvesters with throwing wheel : de en
  • FR867221A - Poly-diffuser : en fr
  • DE712016C - Tension ring lock for packaging containers : de en
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  • US2258520A - Engraving plate : en
  • US2258562A - Automatic motor block cleaner : en
  • DE712002C - Process for the production of alkyd resins : de en
  • FR867204A - Gasifier : en fr
  • US2257791A - iinltfft staffs patf nt : en
  • US2257732A - Safety stop mechanism for automatic molding machines : en
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  • US2258468A - Automatic electric arc furnace electrode control : en
  • US2258500A - Treatment of oxidized hydrocarbons to separate the acidic content : en
  • CA399827A - Diode oscillator tube : en fr
  • DE711721C - Process for the production of a preparation containing the entire components of bones for therapeutic purposes : de en
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  • GB540252A - Improvements in or relating to fluorescent materials : en
  • GB540089A - Improvements in and relating to electrical communication systems : en
  • AU83541A - Improvements in or relating to automatic control arrangements for alternating current generators : en
  • GB540176A - Improvements in boxes or cartons for containing toilet powder : en
  • GB540129A - Improvements in or relating to egg packing material, and packed egg cases including said material : en
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  • DE711987C - Anti-skid regulator : de en
  • FR867220A - Metal cutting tool for machining metals or plastics : en fr
  • US2257772A - Motor vehicle propulsion : en
  • US2257761A - Wheeled scraper : en
  • US2258344A - Collapsible coop : en
  • US2258024A - Automatic station tuning apparatus : en
  • US2258460A - Quick change fruit sizer : en
  • US2258566A - Hardenable steel heat treatment : en
  • CA399878A - Metal sheath measuring apparatus : en fr
  • CA399769A - Venetian blind ladder webbing : en fr
  • DE711877C - Device to compensate for the variable resistance to being brought to the furnace by metal strips to be processed into tubes in uninterrupted sequence : de en
  • US2257912A - Drum type clutch : en
  • US2258394A - Process for effecting ring closure by means of hydrofluoric acid : en
  • US2258436A - Phototube for translation of images : en
  • US2257809A - Control system for electric motors : en
  • US2257855A - Fastener : en
  • USD129874S - Design for a textile fabric : en
  • US2258088A - System for conditioning air for engines : en
  • US2258362A - Cleaning apparatus : en
  • DE711949C - Power plant for aircraft, especially for those with two propellers rotating on the same axis and in opposite directions : de en
  • GB540237A - Improvements in or relating to thermally operated release means, applicable to electric switches : en
  • GB540169A - Resinous compositions and methods of preparing same : en
  • US2258222A - Methyl aryl silicones and insulated conductors and other products utilizing the same : en
  • US2258382A - Apparatus for the projection of upright pictures : en
  • CA399866A - Detergent aid : en fr
  • US2257806A - Echo suppressing circuit : en
  • US2257851A - Multispool reeling machine : en
  • US2258387A - Cutting implement : en
  • US2258397A - Side car motorcycle : en
  • DE711914C - Device for clearing out round settling containers : de en
  • US2258354A - Luminaire : en
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  • USD129900S - Textile fabric or similar article : en
  • US2258073A - Disposable colorimeter cell : en
  • DE711947C - Process for the treatment of zinc and galvanized objects : de en
  • DE712074C - Electromagnetic vibration damper : de en
  • US2258216A - Process for removal of metallic impurities from wines and other acid beverages : en
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  • US2258261A - Coil with line properties : en
  • US2257946A - Railroad passenger car : en
  • US2258297A - Organo-metallic diesel fuel ignition promoters : en
  • US2258005A - Power transmission : en
  • US2258021A - Air conditioning system : en
  • CA399863A - Olefin polymer production : en fr
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  • US2258502A - Bathing suit : en
  • USD129859S - Carlson metalworking machine : en
  • US2257901A - Rubber overshoe : en
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  • US2258167A - Apparatus for converting heat and pressure energies into mechanical energy : en
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  • USD129826S - Design for a serving tray : en
  • USD129819S - Design for a display card : en
  • US2257752A - Lubricating oil : en
  • US2257990A - Switch : en
  • US2257992A - Dirt moving machine : en
  • US2258267A - High speed thrust bearing : en
  • AU113909B2 - Manufacture of coating and impregnation compositions : en
  • AU113921B2 - Improvements in means for glazing windows : en
  • US2258107A - Means for coupling from a single to a push-pull line : en
  • DE711752C - Steering device for three-axle trailers : de en
  • US2257746A - Electrolytic process of preparing arsenates : en
  • US2258148A - Transmission line : en
  • US2258409A - Bottle dispensing apparatus : en
  • US2257961A - Tire deflation and inflation indicator : en
  • US2258022A - Edge set jack clamp : en
  • US2258472A - Gaseous electric discharge lamp device : en
  • US2258571A - Crankshaft lapping machine : en
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  • US2257839A - Flush tank valve : en
  • USD129887S - Design for a dress : en
  • US2258227A - Washing machine : en
  • US2258242A - Apparatus for drawing tubes of multiple wall thickness : en
  • US2258094A - Variable-pitch propeller : en
  • US2258182A - Automatic weighing machine : en
  • US2258200A - Snap hook : en
  • US2257971A - Aerial spinning toy : en
  • US2258055A - Fuel pump : en
  • FR867275A - Radio Direction Finders : en fr
  • CA399822A - Television system : en fr
  • AU438340A - Reversible ratchet clutch : en
  • US2258273A - Portable display device : en
  • US2258482A - Roaster : en
  • US2258019A - Filler cap vent valve : en
  • USD129899S - Design fob a molding machine or the like : en
  • US2258450A - Float valve : en
  • US2258289A - Tree mover : en
  • CA399847A - Fibrous material processing : en fr
  • DE711720C - Process for the enrichment and recovery of a substance which increases the formation of leukocytes : de en
  • FR867290A - Electrode structures for thermionic lamps : en fr
  • GB540084A - Improved resilient stretcher-supporting device for vehicles : en
  • GB540102A - A method for the preparation of co-polymers of styrene and products thereof : en
  • GB540213A - Improved apparatus for extracting metal bodies from webs of textile materials : en
  • US2257820A - Colored lubricant : en
  • US2258111A - Preparation of catalysts : en
  • US2257969A - Lubricant : en
  • US2258309A - Lubricant : en
  • GB540094A - Improvements in or relating to furnace walls and methods of constructing the same : en
  • GB540273A - Improvements in means for periodically interrupting electric currents : en
  • US2257725A - Lubricating apparatus : en
  • US2258142A - Immobilizing composition for fractures of the human body : en
  • FR867262A - Method for controlling distortion : en fr
  • US2258075A - Holding means for impact plates : en
  • US2258322A - Antiskid shoe device : en
  • US2258379A - Rotary fluid pump or motor : en
  • DE712019C - Method and device for taking back pulp run-off water from diffusion in sugar factories : de en
  • GB540227A - Improvements in or relating to valves : en
  • FR867217A - Variable frequency oscillation generators : en fr
  • US2258384A - Tire deflation indicator : en
  • FR867205A - gas purifier : en fr
  • GR9677B - PERFECTION OF TWO-YEAR OIL ENGINES UP TO 15 HORSES FROM PREHERMOTE AND COOL MOTOR. : el en
  • DE711996C - Automatic emergency lighting unit with optical signaling device for air raid shelters : de en
  • US2258372A - Typewriter desk : en
  • DE712047C - Clamp for electrical lines with a clamp screw pivoted in the lower jaw and the clamp base : de en
  • US2258086A - Pyrophoric lighter : en
  • US2258246A - Protection of alternating current electric systems : en
  • US2258469A - Silencer for water hammer : en
  • DE712069C - Cone rider gauge for checking the straightness and the inclination of the edges of the cone surface to the cone axis : de en
  • FR867299A - : fr
  • US2258383A - Automatic portable derrick : en
  • FR867229A - Anti-theft device, especially for bicycles, with advanced padlock : en fr
  • US2258028A - Spinning machine spindle and method of operating same : en
  • US2258186A - Satellite station antenna system : en
  • DE712086C - Lock for self-loading guns with sliding barrel : de en
  • US2258128A - Wave translating system : en
  • US2258134A - Aircraft wing structure : en
  • US2257750A - Lubricating oil : en
  • US2258284A - Air circulator : en
  • US2258045A - Electrode structure for conductivity testing : en
  • US2258295A - Expansion valve : en
  • US2258049A - Kerf-cutting machine : en
  • USD129877S - Design for a dress : en
  • DE711873C - Device for forming bulges on cardboard or the like by means of rotating work tools : de en
  • DE711887C - Process for the production of synthetic resins : de en
  • DE711911C - Windshield wiper strip for motor vehicles : de en
  • US2257783A - Guided wave transmission : en
  • US2258118A - Manufacture of sheet glass : en
  • FR867269A - Improvements to faucets : en fr
  • GB540142A - Improvements in or relating to trimming machines suitable for use in the manufactureof shoes : en
  • CA399843A - Vehicle coupler : en fr
  • US2258196A - Umbrella : en
  • CA399869A - Vehicle ventilating system : en fr
  • US2258411A - Undergarment : en
  • AU121141A - Production of malleable iron : en
  • CA399775A - Screen door hook guard : en fr
  • US2257922A - Shirt band : en
  • US2257860A - Measuring device : en
  • US2257985A - Power multiplier : en
  • US2257949A - Portable printing device : en
  • US2258219A - Halogenated aryl silicones : en
  • US2258272A - Baseball game : en
  • US2258163A - Broach : en
  • US2258526A - Engine cooling system : en
  • AT160657B - Locking device for gas-tight room closures. : de en
  • DE711896C - Ice cream on a stick : de en
  • CA399848A - Lifting tongs bit : en fr
  • DE712076C - Multi-room filler : de en
  • DE712085C - Parallax computer : de en
  • US2258364A - Convertible trunk table : en
  • US2257834A - Oil burner : en
  • USD129852S - Design for a pin clip : en
  • DE711933C - Flat weft knitting machine, especially cotton knitting machine : de en
  • US2257729A - Automatic lathe : en
  • CA399784A - Food chopper : en fr
  • US2257873A - Derrick anchorage : en
  • US2258488A - Chair : en
  • US2258504A - Rotary fluid pressure engine and the like : en
  • FR867293A - Electron beam control systems : en fr
  • US2258257A - Master cylinder : en
  • US2258495A - Liquid dispensing apparatus : en
  • USD129894S - Design for a foundation garment : en
  • FR867274A - Systems and devices for the generation and transmission of radio waves : en fr
  • GB540271A - Improvements relating to land vehicles : en
  • DE711940C - Automatic needle nozzle : de en
  • DE711997C - Trimming stone for heat storage : de en
  • DE712008C - Process for drying beet pulp : de en
  • GB540085A - Improvements relating to the control of expansion valves in refrigerating apparatus : en
  • GB540272A - Improvements relating to the projection of cinematograph films in colour : en
  • AT160665B - United rivet and punch pliers. : de en
  • DE711904C - Process for the production of magnesia cement : de en
  • AU416140A - Powerlift device and means for attaching same toa tractor : en
  • CA399764A - Paper making apparatus : en fr
  • FR867251A - Advanced device for closing hoods, inspection doors, etc. : en fr
  • GB540104A - Improvements in automatic temperature regulators : en
  • US2257741A - Lock : en
  • FR867209A - Improvements to starting mechanisms for combustion engines : en fr
  • US2258378A - Machine for preparing pneumatic tires for retreading : en
  • US2258545A - Process of purifying electrolytic cell liquor : en
  • FR867263A - Television receiver : en fr
  • GB540121A - Improvements in or relating to thermally operated electric switches : en
  • IE17557L - Treatment of webs on carding : en
  • DE712000C - Ceiling heating system : de en
  • GB540183A - Improvements in hydraulic control systems : en
  • AU113911B2 - Improvements in and relating to dairy boilers : en
  • DE711734C - Multi-cylinder internal combustion engine : de en
  • GB540256A - Improvements in vinyl resin compositions : en
  • CA399865A - Resistance thermometer : en fr
  • AU137241A - Improvements in or relating to method of cleaning fabrics orthe like : en
  • AU154341A - Improvements inthe method and apparatus forthe manufacture of tablets of toilet soap : en
  • US2258047A - Wave transmission system : en
  • US2258351A - Advertising horoscope machine : en
  • US2258127A - Engine mechanism : en
  • US2258512A - Process of desulphurizing petroleum oils : en
  • US2258206A - Combination pay check with attached receipt : en
  • US2258306A - Concealable desk pad : en
  • US2258082A - Rail lubricating apparatus : en
  • US2258446A - Pressing iron : en
  • DK59095C - Procedure for gluing together material, especially wood. : da en
  • US2258249A - Treatment of hydrocarbon distillates : en
  • US2258541A - Illuminated vanity case : en
  • CA399770A - Wrist attached camera : en fr
  • US2257972A - Thermostatic valve : en
  • US2258244A - Washing machine : en
  • DE711838C - Process for the production of objects of complex shape from porous rubber with pore-free outer wall from aqueous rubber dispersions : de en
  • US2258404A - Refrigerator car : en
  • DE711829C - Telecommunication device with pulse-wise switchable dialers in the main and substation : de en
  • DE712075C - Method and device for winding metal strips and. like : de en
  • GB540158A - Improvements in rotary pumps or motors : en
  • DE711985C - Central buffer coupling, especially for conveyor wagons : de en
  • DE711800C - Telemetry equipment : de en
  • DE711913C - Device for displaying the weight of unstable heavy and other trunks flowing through a channel : de en
  • GB540161A - Improvements in and relating to weft inserting mechanism for narrow ware weaving looms : en
  • DE711115C - Locking device, especially for office staples : de en
  • DE711850C - Stuffing box with packing space at a distance from the shaft : de en
  • CA399850A - Heating apparatus : en fr
  • GB540124A - Improvements in or relating to the electrical resistance welding of tubes : en
  • US2258473A - Reciprocal dental grinder : en
  • USD129910S - Design fob a vestee : en
  • GB540189A - Improvements connected with reflectors of electric-lamp fittings : en
  • FR867210A - Device for using acetylene on internal combustion engines : en fr
  • AU113935B2 - Improvements in and relating tothe destruction of insect infestation in bulk products such as flour : en
  • CA399825A - Alloy : en fr
  • DE711772C - Method and device for fastening capacitor plates to capacitor shafts : de en
  • US2258001A - Subterranean boring : en
  • USD129833S - Design fob a jewelry finding ob similar abticle : en
  • DE711874C - Gun with loading arm on the cradle : de en
  • DE711798C - Bottle cap : de en
  • USD129906S - Display mount for backed photographic figures : en
  • DE711732C - Process for the production of synthetic resins : de en
  • FR867300A - Improvements to artificial incubators : en fr
  • GB540202A - Improvements in or relating to motor vehicles : en
  • CA399806A - Conditioning and humectant composition : en fr
  • US2258509A - Sheet metal roofing : en
  • USD129848S - Design for a metal hamper : en
  • USD129893S - Design for a dress : en
  • DE711803C - Ship lift with pontoon that can be released from the trough : de en
  • DE712083C - Measurement or extraction of ballistic processes and projectile effects : de en
  • US2257776A - Hatch cover : en
  • US2258275A - Repeatered transmission system : en
  • US2258294A - Photoelectric device : en
  • US2258527A - Centrifugal pump : en
  • US2258560A - Advertising pillar : en
  • US2258126A - Dental chair appliance : en
  • US2258559A - Pneumatic control instrument : en
  • DE711811C - Sound film device with a flywheel carried by the film tape : de en
  • DE711870C - Electric direct current arc lamp with carbon, effect or wick electrodes, especially for headlights, in which the discharge path is enveloped by an air stream that goes from the positive to the negative electrode s without the aid of a magnetic field for comparing the arc : de en
  • USD129823S - Design for a paper drinking cup : en
  • US2258131A - Process for the manufacture of pregnendione and intermediates obtained thereby : en
  • US2258539A - Ignition cutoff device : en
  • DE711799C - Steam power plant for propelling ships : de en
  • DE711813C - Centrifugal blower for internal combustion engines : de en
  • GB540226A - Improvements relating to the manufacture of crepe fabrics : en
  • DE711854C - Device for transmitting the button movement to the tool on a copy milling machine for the production of propellers : de en
  • DK59096C - Potato harvester. : da en
  • GB540198A - Improvements in synthetic resinous compositions : en
  • DE711769C - Circuit arrangement for telecommunications systems, especially telephone systems, with company lines : de en
  • DE711928C - Electric power transmission : de en
  • US2258102A - Fire extinguisher : en
  • AU347440A - Evaporator for absorption refrigerating apparatus with auxiliary gas : en
  • US2258026A - Method of producing abrasive articles : en
  • USD129856S - Design for a brooch or similar article : en
  • US2258360A - Valve regulating apparatus : en
  • FR867287A - Advanced training in electric motors : en fr
  • US2257813A - Liquid fuel stove : en
  • US2258439A - Multiplex transmission with phase discrimination : en
  • US2258395A - Tube : en
  • US2258067A - Motor vehicle : en
  • US2258315A - Rail fastening : en
  • US2258321A - Condensation products of amines and monoalkylol cyanamides : en
  • US2258334A - Tire deflation indicating means : en
  • DE711709C - Process for the production of tetrahydrofuran : de en
  • DE712065C - Process for the production of resins : de en
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  • US2258533A - Coupling for interconnecting flexible members : en
  • GB540220A - Production of fatty acids and their compounds : en
  • GB540274A - Improvements in means for periodically interrupting electric currents : en
  • US2258156A - Toy building structure : en
  • US2258124A - Communication system : en
  • US2257950A - Sewing machine : en
  • US2258188A - Vinylidene chloride composition stable to light and heat : en
  • CA399811A - Dust collecting plant : en fr
  • US2257932A - Washing machine agitator : en
  • US2258144A - Cooking appliance : en
  • US2258189A - Method of joining type blocks to type levers or type bars : en
  • US2258053A - Axle for toy vehicles : en
  • AU349540A - Improvements in and relating to dairy boilers : en
  • US2257870A - Insulating oil : en
  • US2258421A - Yarn conditioning and control apparatus for textile machines : en
  • US2258486A - Oil carburetor : en
  • DE711972C - Pass-through device for pneumatic tube systems : de en
  • FR867292A - Telegraphic transmitting and analog apparatus : en fr
  • US2258177A - Rod or cable guide : en
  • AT160669B - Process for the manufacture of aircraft bracing wires. : de en
  • AU113910B2 - Improvements in television transmitters : en
  • US2258503A - Magneto for model engines : en
  • US2258534A - Mining car bumper coupling : en
  • US2257944A - Filtering vessel for coffee and the like : en
  • US2258256A - Electrical insulating material : en
  • US2258366A - Regulating system : en
  • US2258070A - Punch press : en
  • US2258197A - Safety razor blade : en
  • USD129892S - Design for a dress : en
  • USD129903S - Design foe a shoe : en
  • AU119340A - Improved process for moulding and bonding wood, metal or like veneers : en
  • DE711954C - Dishwasher : de en
  • US2258116A - Typewriter : en
  • US2258453A - Water closet : en
  • DE711741C - Device for blocking the wing blade position of adjusting propellers : de en
  • DE711718C - Drying oils : de en
  • US2257749A - High speed steam power plant and method of operating said power plant : en
  • US2257844A - Coil-timer-distributor unit : en
  • US2258296A - Clutch : en
  • US2258006A - Direction finding system : en
  • DK59092C - Procedure for the manufacture of varnishes and impregnating agents. : da en
  • CA399801A - Ski mechanism for aircraft : en fr
  • CA399851A - Heating apparatus : en fr
  • AT160664B - Bendable strips with a metal coating. : de en
  • CA399898A - Hydrogen peroxide : en fr
  • CA399871A - Multi-tubular heat interchanger : en fr
  • US2258014A - Illuminating device for enlarging or projecting apparatus : en
  • US2258057A - Shelf : en
  • US2257804A - Joint : en
  • US2257852A - Combination transmission and throttle control : en
  • US2257911A - Sponge and method of treating : en
  • USD129880S - Design fob a dress : en
  • AU351040A - Improvements relating to sewing machines forthe chenille decoration of fabrics : en
  • AU347940A - Manufacture of coating and impregnation compositions : en
  • FR867285A - Special electric heater : en fr
  • AU115641A - Improvements in means for glazing windows : en
  • US2258247A - Structural element : en
  • US2258062A - Spring sash hanger : en
  • US2258109A - Conveying mechanism : en
  • US2258348A - Shear : en
  • CA399857A - Carton shaping apparatus : en fr
  • GB540148A - Improvements in or relating to carbon paper : en
  • US2258314A - Edge molding : en
  • US2258454A - Water closet : en
  • USD129901S - Design foe a mailbox : en
  • AU113936B2 - High frequency apparatus : en
  • US2258004A - Combination match stand and snuffer : en
  • US2258061A - Roller and sod conditioner : en
  • US2258129A - Diaphragm for electronic-optical phase lenses : en
  • US2258547A - Cleaner for typewriter type and the like : en
  • CA399773A - Dowel : en fr
  • USD129804S - Affliqufi emblem or similar article : en
  • USD129822S - Design for a hearing aid apparatus case : en
  • US2258152A - Synchronism corrector for telegraph systems : en
  • US2258429A - Conveying system : en
  • US2258268A - Pressure roll from copolymer : en
  • DE712077C - Power plant for ships : de en
  • FR867222A - Plate for fixing postage stamps in collections : en fr
  • AT160673B - Nozzle for the cutting oxygen jet in cutting torches. : de en
  • DE711777C - Process for the production of aqueous solutions or emulsions of poorly soluble physiologically active substances in water : de en
  • DE711815C - Storage for the wings of Verstelluftzüge : de en
  • DK59087C - Shop counter with cooling elements. : da en
  • DE711932C - Locking device for the thread guide rails on flat weft knitting machines : de en
  • CA399788A - Anti-side-slipping combination for motor vehicles : en fr
  • US2258546A - Resinous cement capable of hardening rapidly in the cold and process of preparing it : en
  • DE711836C - Fork with spoon part provided behind shortened tines : de en
  • AU349040A - Hydraulic pump wherein the volume of fluid delivered is variable to requirements : en
  • US2258476A - Piston recammer : en
  • USD129875S - Design for a textile fabric : en
  • GB540209A - Improvements relating to the concentration and storage of olefins and to the separation thereof from gaseous mixtures : en
  • US2258153A - Material unwinding device : en
  • AT160666B - Automatic firearm with two-part breech. : de en
  • US2258011A - Means of attaching wheel balance weights : en
  • DE711716C - Heat timer : de en
  • US2258043A - Liquid-fuel burner : en
  • US2257881A - Light projector : en
  • US2257818A - Cutting knife support : en
  • US2257998A - Unit recorder : en
  • DE711771C - Arrangement to compensate the harmonic waves in transformers or chokes : de en
  • DK59099C - Device for grinding scissors, knives and similar instruments. : da en
  • DE711775C - Process for the preparation of m-diaza compounds : de en
  • DE711992C - Movable telecommunication cable with several wire groups : de en
  • DE712015C - Process for treating bituminous substances or compounds containing these substances : de en
  • DE712067C - Process for the production of pitch- or resin-like condensation products from coal tar, its fractions or individual components and acetylene : de en
  • DE711750C - Drive device for two charging fans of an aircraft or racing engine, in particular rotating at high speeds : de en
  • GB540174A - Improvements in or relating to shoe upper conforming machines : en
  • US2257864A - Surfacing wheel : en
  • AT160671B - Process for sensitizing photographic emulsions or layers. : de en
  • US2258143A - Immobilizing product for fractures of the human body : en
  • AT160667B - Arrangement for converting a sound image into a visible image. : de en
  • CA399759A - Door control : en fr
  • CA399824A - Wood stave : en fr
  • US2258113A - Measuring or gauge device : en
  • USD129825S - Design for a bookcase : en
  • CA399772A - Automobile window screen : en fr
  • US2258407A - Wide band antenna : en
  • CA399802A - Ladder clamp : en fr
  • US2258477A - Stitcher : en
  • US2258569A - Method of and machine for producing knitted fabrics : en
  • AT160662B - Arrangement for changing the self-induction of a coil. : de en
  • CA399810A - Wheel anti-slide device : en fr
  • GB540231A - Improvements in and relating to the casting of metals : en
  • FR867236A - Thermionic lamp circuits and devices for controlling the gain of such circuits : en fr
  • GB540223A - Improvements in radiant heaters : en
  • CA399831A - Knitting machine and method : en fr
  • US2258120A - Sorting machine for records : en
  • GB540115A - A solid fuel for fires and method of making same : en
  • US2258083A - Instrument for examining body cavities : en
  • US2258259A - Control system : en
  • FR867265A - Preparation of phthalocyanines containing alkyl or aralkyl sulfonium groups : en fr
  • US2258392A - Mulling apparatus : en
  • DE711744C - Device for closing folding box-like packages : de en
  • USD129828S - Design for a lamp lens : en
  • GB540282A - Improved method of and means in or for use with bronzing or gilding machines for obviating or minimising surplus gilt on the printed sheets : en
  • DE711893C - Protective cover for parts of machine tools, preferably of turning jaws : de en
  • GB540106A - Improvements in or relating to manifolding attachments for machines embodying typewriting mechanism : en
  • AT160660B - Process for curdling milk with rennet and for souring milk, cream, quark or fresh cheese mass. : de en
  • US2258018A - Braider carrier : en
  • US2257868A - Trifluoroacetyl halide and a process of making it : en
  • US2258480A - Diamond working process : en
  • US2257986A - Refrigeration : en
  • US2257917A - Multiple telegraphy and telephony : en
  • DE711841C - Case zero circle : de en
  • US2258069A - Vehicle signal : en
  • US2258521A - Tank closure : en
  • US2257742A - Automatic control system : en
  • US2258532A - Desk support : en
  • US2258563A - Process for making stainless clad pierced tubes : en
  • CA399845A - Pectin jelling properties controlling method : en fr
  • DE712036C - Device for the axial adjustment of the rolls in rolling mills : de en
  • US2258481A - Metallurgical apparatus : en
  • USD129835S - Jewelry finding or similar article : en
  • US2258046A - Ski : en
  • US2258240A - Forming member : en
  • DE711757C - Device for cutting out dough pieces from a running dough band : de en
  • US2258099A - Process of preparing gels : en
  • US2258276A - Apparatus for measuring the elastic properties of materials : en
  • USD129857S - Brooch or similar article : en
  • GB540098A - Improvements in gear shifting mechanism : en
  • GB540205A - Improvements in or relating to photographic sound recording : en
  • FR867283A - Automotive headlights improvements : en fr
  • US2258158A - Electric discharge lamp cathode : en
  • US2258239A - Heating system : en
  • US2258425A - Refrigerating apparatus : en
  • GB540095A - Manufacture of new esters of 4-sulphophthalic acid or its substitution products : en
  • US2258483A - Hot top : en
  • USD129878S - Design for a deess : en
  • DE711708C - Device for displaying damage occurring in one of several independent brake systems, in particular in motor vehicles : de en
  • GB540107A - Improvements in welding apparatus : en
  • CA399795A - Stylographic pen : en fr
  • US2258169A - Lamina for assembled piston rings : en
  • CA399791A - Electrolytic condenser : en fr
  • CA399890A - Lipstick appliance : en fr
  • US2258336A - Heating system : en
  • US2257954A - Slide-fastener link : en
  • FR867211A - fuel saver : en fr
  • GB540230A - Improvements in and relating to the casting of metals : en
  • DE711767C - A speech mask containing microphones that is exposed to the wind : de en
  • DE712011C - Coupling device, especially for motor vehicles : de en
  • CA13177S - Razor : en
  • CA399781A - Finger exercising device : en fr
  • GB540152A - Improvements in hydraulically operated ram tipping vehicles : en
  • US2258419A - Rubber heel : en
  • DE711816C - Control room equipment for aircraft : de en
  • DE711934C - Denture template to determine the false development of the occlusal curve in its course to the jaw joints for the alignment of this occlusal curve to the normal curve by reworking unused occlusal parts : de en
  • GB540184A - Piezoelectric crystal apparatus : en
  • GB540261A - Improvements in or relating to air cooled internal combustion engines : en
  • FR867252A - Automatic charger for solid fuel fireplaces : en fr
  • DE711926C - Electromagnetic circular oscillator : de en
  • US2257794A - Electron discharge device : en
  • GR9681B - METHOD OF PRODUCTION AIRLIGHT WITHOUT USE OF CARBOHYDRATES. : el en
  • US2258154A - Automatic reclosing breaker system : en
  • US2258009A - Motor vehicle accessory : en
  • US2258401A - Treatment of waste liquids from pulp production and the like : en
  • US2258442A - Corrugated wire ring for floral wreaths : en
  • US2258470A - Electronic reactance device : en
  • DE711742C - Single-axle trailer with gas generator system for motor vehicles : de en
  • AU113932B2 - Improvements inthe method and apparatus forthe manufacture of tablets of toilet soap : en
  • DE712079C - Process for the production of a concrete with magnesia cement as a binder : de en
  • FR867296A - High frequency transmission systems : en fr
  • US2258093A - Mold closing mechanism : en
  • DE711733C - Multi-cylinder piston machine : de en
  • DE711847C - Device for the automatic adjustment of the angle of attack of the blades of wind blades as a function of the speed : de en
  • GB540275A - An improved device for supporting trousers in wear, applicable also to other garments : en
  • US2258008A - Stuffing box : en
  • US2258548A - Combined elevator and bagging device for corn shelling machines : en
  • US2258172A - Safety valve for locomotives : en
  • US2258307A - Power transmission : en
  • US2258443A - Corrugating roller construction : en
  • US2258447A - Tail gate : en
  • CA399872A - Vibrator apparatus : en fr
  • US2258231A - Fuse holder : en
  • US2258346A - Forging press : en
  • US2258138A - Wabbler mechanism : en
  • USD129841S - Christmas tree ornament or similar article : en
  • CA399860A - Fuel containing vulcanizer platen : en fr
  • DE711910C - Circuit arrangement for telephone systems : de en
  • US2257826A - Shoe sole trimming machine : en
  • US2257974A - Thiazyl sulphur halide : en
  • US2258139A - Apparatus for curling yarn : en
  • US2258037A - Machine for treating race rings for bearings : en
  • US2258303A - Apparatus for converting direct current into periodic varying current : en
  • GB540258A - Improvements in or relating to electric switches of the rotary distributing type : en
  • US2257983A - Refrigeration : en
  • GB540130A - Improvements in and relating to electric fuses of cartridge type : en
  • CA399846A - Engine cylinder bore : en fr
  • GB540212A - Improved process for the agitation or similar treatment of finely divided solid material : en