• US2281789A - Shaving apparatus : en
  • US2281661A - Tuning system : en
  • AU121841A - Knitted fabric and method of making thesame : en
  • US2281751A - Seismic wave generation apparatus : en
  • US2281945A - Paper napkin : en
  • US2282190A - Multicellular cementitious composition : en
  • CA404582A - Radio amplifier : en fr
  • US2281781A - T-fitting and valve : en
  • US2281958A - Mounting means for relays : en
  • GB544939A - Improvements in and relating to sanitary pails and like refuse receptacles : en
  • GB544964A - Improvements in blowpipe apparatus : en
  • US2281671A - Gas meter : en
  • USD132246S - Design for a plaque : en
  • US2281763A - Card printing machine : en
  • USD132256S - Design for a badge or similar article : en
  • USD132301S - Design for a truck for a traveling crane : en
  • US2282272A - Venetian blind tilting mechanism : en
  • US2281793A - Magnetic recorder : en
  • US2281884A - Refining of fatty oils : en
  • US2281821A - Diesel engine and gas compressor combination : en
  • DE720495C - Checker for seconds meter : de en
  • USD132340S - Design fob a reversible hooded coat : en
  • US2282299A - Antistatic device : en
  • DE720472C - Coil arrangement for the magnetic deflection of the electron beam of a cathode ray tube : de en
  • CA404482A - Oil burner : en fr
  • FR871720A - Improvements to internal combustion engines capable of operating with supercharging : en fr
  • USD132278S - Design foe a desk lamp : en
  • USD132293S - Physician s examining table or the like : en
  • AU247841A - Improved method and apparatus forthe distillation of oil-shales : en
  • DE720463C - Glove : de en
  • US2281886A - Roll stop mechanism : en
  • CA404534A - Metal layer forming apparatus : en fr
  • CA404597A - Railway remote control system : en fr
  • DK59740C - Procedure for Converting a Pulley to a Cord. : da en
  • CA404464A - Gasoline filter : en fr
  • US2281947A - Refrigerator latch : en
  • US2282155A - Molding die : en
  • US2281650A - Circulating pump for steam generators : en
  • US2282065A - Electromagnetic device : en
  • US2281815A - Air conditioning : en
  • US2282271A - Electrical signaling system : en
  • US2282215A - Condenser : en
  • USRE22090E - Process of making felted mineral : en
  • US2281979A - Hydrocarbon treatment : en
  • US2282000A - Lubricating oil package : en
  • GB544930A - Improvements in or relating to the pumping of fluids under high pressures : en
  • DE720418C - Cheese making machine with rotating drum : de en
  • US2282020A - Means for connecting sound tubes to dictating machines : en
  • US2281982A - Arrangement for transmitting and receiving wireless messages : en
  • USD132294S - Physician s examining table or the like : en
  • US2282205A - Spreader : en
  • DE720538C - Two-plate gate valve : de en
  • USD132292S - Design for a shoe : en
  • US2282257A - Thermal type demand meter : en
  • US2282173A - Lightweight girder : en
  • DE720415C - Process for manufacturing aluminum bearings : de en
  • CA404577A - Railway block system : en fr
  • US2281541A - Dual wheel assembly : en
  • US2282129A - Alternating current signaling system : en
  • US2281966A - Safety device for scaffolds : en
  • AU117541A - Improvements in or relating to sliding clasp fasteners : en
  • US2281882A - Coupling : en
  • US2282071A - Sewing machine drive : en
  • DE720501C - Device for the mechanical cleaning of magnesium smelting furnaces : de en
  • GB544966A - Improvements in and relating to separable fasteners of the stud and socket type : en
  • GB545010A - Improvements in and relating to photo-electric controlled machines : en
  • DK59729C - Method for Assembling Elongated Structural Elements with Sheet Parts. : da en
  • FR871774A - Method of assembling a metal part, such as a tube, sheet metal, angle iron, with a piece of wood or the like, the tools to perform it and the composite products obtained : en fr
  • US2281569A - Flat knitting hosiery machine : en
  • US2281904A - Harvester : en
  • SE104461C1 - : en
  • US2281812A - Ophthalmic mounting : en
  • GB544957A - Improvements in surgical dressings : en
  • GB544991A - Improvements in systems for the automatic control of the speed of electric motors : en
  • GR9857B - METHOD TO STERILIZE (ENTKEIMUNG) SURGICAL SEWING MATERIAL. : el en
  • DE720483C - Crank gear for internal combustion engines : de en
  • DE720508C - Fluid brake for vehicles : de en
  • FR871776A - Improvements made to light vehicles, particularly of the cycle type : en fr
  • DE720475C - Rotary isolating switch : de en
  • DE720589C - laundry detergent : de en
  • CA404517A - Starch conversion process : en fr
  • DE720427C - Conveyor trough : de en
  • US2282224A - Sheet feeder : en
  • CA404588A - Animal trap : en fr
  • US2282037A - Process of producing granular precipitates from colloidal solutions : en
  • US2281765A - Stoking mechanism : en
  • DE720450C - Device for achieving uniformly high temperatures over the measuring length of test rods for hot tear and fatigue tests : de en
  • US2281817A - Work gauging instrument for precision grinding machines : en
  • US2281849A - Rotatable rack : en
  • US2281975A - Blade grinding machine : en
  • US2282095A - Retrieving device for pipes in deep wells : en
  • US2282288A - Gear cutting apparatus : en
  • USD132258S - Design for a grab bar or similar article : en
  • US2281726A - Intermittent feed device : en
  • DE720458C - Length adjustment device for the heel pull cable of resilient ski bindings : de en
  • US2281681A - Work holder for form tools : en
  • US2282191A - Loom shuttle : en
  • FR871661A - Process for the preparation of ether salts of tocopherols : en fr
  • DE720479C - Device for flat knitting machines for automatic non-stop switching of lock parts on the slide reversal points : de en
  • DE720599C - Knife gate valve for shutting off gas lines : de en
  • FR871750A - New stove-radiator : en fr
  • US2281593A - Voltage regulator : en
  • GB545021A - Means for supporting cooking or heating utensils on a fire : en
  • GB545073A - Improvements in systems for supplying alternating current from a direct current source particularly for use in railway vehicles : en
  • DE720404C - Method of manufacturing springs from coiled spring wire : de en
  • US2281838A - Beam locking device : en
  • DE720381C - Left-left knitting machine with double latch needles and device for transferring stitches : de en
  • US2281825A - Necktie : en
  • US2281973A - Swivel connection : en
  • GB544993A - Improvements in wrapping machines : en
  • US2281898A - Friction coupling disk : en
  • DK59738C - Steering mechanism for internal combustion engines, in particular Ship engines. : da en
  • CA404565A - Chain saw tensioning means : en fr
  • US2281615A - Method and apparatus for air conditioning : en
  • US2282275A - Lubricator : en
  • US2282145A - Machine for lapping the ways of machine tools : en
  • DE720357C - Process for the production of hard bodies : de en
  • US2281655A - Nonskid device : en
  • US2281577A - Collector's recorder : en
  • US2281659A - Bracket for window furnishings : en
  • DE720532C - Injection carburetor, the brake air supply of which takes place via a sponge-like body : de en
  • FR871656A - Indicator device for the projection of stereoscopic images : en fr
  • US2281648A - Process of producing a chlorinated mineral oil and the oil resulting therefrom : en
  • US2281977A - Pivotal connection for shears : en
  • US2281795A - Fuse link construction : en
  • US2281771A - Grading machine : en
  • FR871741A - Scissors for pruning plants applied to a thimble : en fr
  • FR871663A - Process for impregnating objects made of wood, synthetic leather or the like to protect them against parasites of animal origin, molds and fungi : en fr
  • GB544994A - Improvements relating to shutters for roof lights and the like : en
  • DE720425C - Device for determining movement quantities : de en
  • US2282230A - Mineral wool product and the method of making it : en
  • US2281810A - Earth consolidation : en
  • US2282092A - Frequency modulation receiver : en
  • USD132335S - Design for a brooch or similar article : en
  • CA404592A - Paper and board : en fr
  • US2281643A - Head lamp : en
  • US2281752A - Circuit breaker : en
  • US2281822A - Metal grating : en
  • DE720267C - Temperature control device for preventing oversteering or understeering of an adjusting element of an adjusting element : de en
  • DE720340C - Process for sensitizing photographic emulsions : de en
  • FR871702A - Discharge Oscillating Piston Straw Baler : en fr
  • FR871772A - Method and device for attacking aluminum with a view to increasing its surface area : en fr
  • DE720437C - Process for the production of a screen used to control the passage of light in cathode ray tubes : de en
  • FR871757A - Magnesia manufacturing process : en fr
  • US2282150A - Opening and dispensing device : en
  • US2282242A - Eyeglass construction : en
  • DK59734C - Procedure for the Manufacture of Pencils, Chalk and Other : da en
  • CA404596A - Ironing machine : en fr
  • US2281717A - Electron discharge apparatus : en
  • US2282147A - Fishline drying means : en
  • US2281879A - Preparation of organic base compounds : en
  • US2282269A - Vending machine : en
  • CA404549A - Slide fastener : en fr
  • USD132334S - Brooch or similar article : en
  • GB544982A - Improvement in boot and shoe stiffeners and lining reinforcements : en
  • US2282097A - Nonemitting electrode structure : en
  • USD132277S - Combined toy figure and parachute : en
  • US2281559A - Urea-haloacylated urea-aldehyde condensation products : en
  • FR871784A - Process for collecting concentrated sulfur dioxide : en fr
  • CA404586A - Pivotal joint : en fr
  • US2281971A - Fluid cooled bearing : en
  • USD132275S - Poster or similar article : en
  • CA404497A - Carpet sweeper : en fr
  • CA404465A - Abrasive disc : en fr
  • DE720392C - Device for inserting rivets by hand on difficult to access components : de en
  • DK59726C - DC steam engine with one or more Cylinders. : da en
  • GB545057A - Deposition of iron powder : en
  • CA404454A - Foundation garment : en fr
  • US2281794A - Trolley for overhead conveying : en
  • US2282167A - Flashlight : en
  • USD132310S - Design for an ash tray : en
  • GB544997A - Improvements in electrical transformers : en
  • US2281869A - Duplicating machine : en
  • AU141441A - Improved band or wire strainer : en
  • GB544917A - A method and apparatus for the demagnetizing of small steel bodies : en
  • FR871751A - Improvements in the production of compressed air on board aircraft : en fr
  • US2281561A - Weft control device for weaving looms : en
  • GB545050A - Improvements in electrical switches operated by a glow discharge : en
  • GB544985A - Improvements in or relating to steam generator systems : en
  • DE720364C - Carrier for light-sensitive layers : de en
  • DE720441C - Brush holders for electrical machines : de en
  • DE720405C - Process for the production of ureides and amides of substituted acetic acids : de en
  • DE720478C - Process for the separation of unsaponifiable components from their mixtures or compounds with saponifiable components : de en
  • DE720433C - Drilling device for creating cavities in the ground : de en
  • USD132283S - Medical equipment stand : en
  • GB544955A - Improvements in spark distributors for magneto electric machines : en
  • GB544999A - A gas excluding door for air shafts or the like : en
  • US2281658A - Bearing arrangement : en
  • US2281842A - Garment hanger : en
  • US2282012A - Self-sharpening razor : en
  • GB544944A - Improvements in and relating to coated regenerated cellulose sheets or films : en
  • US2282189A - Front wheel indicator for motor vehicles : en
  • DE720423C - Fruit and wine press with swivel frame : de en
  • US2282153A - Circuit interrupter : en
  • DK59741C - Device for Binding to Ticket Booklets. : da en
  • FR871680A - Process for separating assemblies of sheets : en fr
  • DE697498C - Process for the production of highly refractory ores : de en
  • GB544948A - Improvements in and connected with variable pitch airscrews : en
  • DE720278C - Crank gear : de en
  • DE720553C - Mill firing : de en
  • GB545033A - Improvements in or connected with tracks for toy railways : en
  • GB545014A - Improvements in the mounting of barometric devices in engines, aircraft and the like : en
  • FR871668A - Automatic and continuous weighing device for dry materials which can be particularly applied to machines for grain processing : en fr
  • US2282216A - Clothesline shield : en
  • FR871659A - Manufacturing process of indirectly heated cathodes intended for electric discharge tubes : en fr
  • FR871670A - Improvements to television cameras with cathode-ray tube image sensor : en fr
  • GB545009A - Improvements in electricity conductors : en
  • FR871677A - Active center propeller, especially for ships : en fr
  • FR871734A - Cushion for the protrusion of the big toe : en fr
  • GB545064A - Improvements in and relating to bricks, so as to facilitate the insertion of rods or pipes into brickwork : en
  • US2281674A - Auto direction signal : en
  • US2281558A - Manufacture of abrasive articles and apparatus therefor : en
  • US2282073A - Vitreous clay underground conduit : en
  • US2282232A - Tank lifter for circuit breakers : en
  • DK59723C - Lamp case. : da en
  • DK59728C - Intensity controlled cathode ray tube, in particular for television purposes, and coupling with such a tube. : da en
  • US2281708A - Antifriction bearing : en
  • US2281942A - Addition agent for lubricating oils : en
  • USD132315S - Design foe a fan : en
  • US2281784A - Insecticide : en
  • DE720412C - Circular knitting machine with fixed needle cylinder : de en
  • US2281790A - Luminous display apparatus : en
  • US2281580A - Fluid heat exchange apparatus : en
  • US2282193A - Method and apparatus for cutting gears : en
  • DE720552C - Firing for radiant superheaters : de en
  • US2281986A - Marine sky beam signaling device : en
  • US2281553A - Variable cycle timer : en
  • USD132247S - Design for a badge or similar article : en
  • GB545045A - Improvements in or relating to coating compositions containing zinc oxide : en
  • US2282091A - Process for preparing calcined gypsum : en
  • FR871790A - Distributor cradle with horns for rigid insulators : en fr
  • DE720363C - Basic rangefinder : de en
  • FR871739A - Support bands with fixing pins for said bands : en fr
  • FR871770A - Improvements to electric ovens : en fr
  • GB544976A - Improvements in the lubrication of multi-engine drives, particularly for airscrews : en
  • US2282248A - Making metallic ingots : en
  • US2281602A - Electrostatic condenser and spacer therefor : en
  • US2281927A - Seed tape : en
  • DE720579C - Lid lifting and swiveling device for ovens, especially shaft ovens : de en
  • FR871724A - Cleaning product : en fr
  • US2282246A - Automatic reclosing circuit breaker system : en
  • US2282270A - Article of furniture : en
  • DE720439C - Electrical insulating body for high-frequency purposes made of densely sintered, soapstone-based ceramic mass : de en
  • GB545047A - Improvements in or relating to variable ratio transmission mechanism : en
  • US2281877A - Cutting stick : en
  • USD132276S - Design for a lighting fixture : en
  • GB544922A - Improvements in dynamo-electric machines : en
  • US2281899A - Well equipment : en
  • US2282234A - Parachute : en
  • DE720509C - Headlights installed sunk into an opening in the casing of a motor vehicle : de en
  • US2281808A - Switch : en
  • US2282033A - Treatment of hydrocarbon oils : en
  • CA404604A - Fast dyeing process : en fr
  • FR871667A - Improvements to electric quartz oscillators : en fr
  • DE720368C - Device for shrinking fabric webs in their longitudinal direction : de en
  • GB545036A - Improvements in electrical condenser containers : en
  • US2282294A - Process for improving the color of caustic alkali solutions : en
  • US2281922A - Shaving device : en
  • GB545034A - Article attaching machine : en
  • DE720426C - Drag chain : de en
  • DE720580C - Switching device for an electric vehicle drive : de en
  • FR871691A - Ignition device for rotary tube furnaces for cooking, roasting and sintering products of all kinds : en fr
  • FR871754A - Wheels, in particular spoked wheels for vehicles of all kinds, and method of manufacturing such wheels : en fr
  • FR871685A - Sealing glass to metal : en fr
  • FR871705A - Sealing device for rotary drawer : en fr
  • USRE22091E - Sheathing system : en
  • USD132332S - Design for a brooch or similar article : en
  • FR871712A - Process for the treatment of animal and plant fibers : en fr
  • GB544986A - Improved devices for enabling pilots of aircraft to warn or signal to passengers and crew : en
  • US2281863A - Suction cleaner : en
  • US2282256A - Suction draft creating apparatus : en
  • AU72341A - Improved apparatus for peeling, coring and grading pineapples : en
  • AU121041A - Improvements in or relating to circuits for amplifying electric oscillations : en
  • CA404542A - Liquid treating apparatus : en fr
  • US2281548A - Automatic phonograph : en
  • US2282011A - Pressure cooker and similar container : en
  • US2282162A - Container sealing machine : en
  • USD132249S - Design for a built-in soap dish : en
  • GB544929A - Improvements in a method and apparatus for wrapping annular objects : en
  • GB545000A - Improvements in and relating to the production of alumina from bauxite : en
  • AU433440A - Improvements in or relating to coating compositions : en
  • US2281901A - Rim and rimmed article : en
  • US2281918A - Pipe cleaning tool : en
  • GB545004A - Improvements in or relating to free-wheel mechanisms : en
  • FR871709A - Gas and air mixer and purifier for supplying internal combustion engines : en fr
  • FR871792A - Distribution cradle for strings of rigid ceramic insulators : en fr
  • DE720365C - Two-legged support intended for handguns : de en
  • DE720594C - Measuring device with coiled working spring : de en
  • US2281642A - Dispensing and bottle closure device : en
  • GB544952A - Improvements in and relating to wire reinforcements, with particular reference to wire reinforcements for metal cylinders : en
  • DE720516C - Arrangement for power control of synchronous machines and synchronous-synchronous converters : de en
  • DE720401C - Procedure for venting clay : de en
  • AU115059B2 - Improvements in or relating to affixing pieces for telephone apparatus : en
  • DE720466C - Process for the preparation of 3, 5, 8, 10-tetraaroyl pyrenes : de en
  • CA404461A - Portable mixing machine : en fr
  • AU134941A - Improvements in or relating to gratings and covers for drains : en
  • GB544984A - Improvements relating to mechanical excavators : en
  • CA404514A - Sprue tube socket forming apparatus : en fr
  • US2281935A - Modulation system : en
  • CA404507A - Roofing material : en fr
  • FR871679A - Locking system for a door, cover or the like closing the access opening provided in the outer casings of machines, and more especially of machines for domestic use : en fr
  • FR871771A - Process for the manufacture of printing inks, water-based and indelible after drying : en fr
  • US2281865A - Process for separating high molecular mixtures : en
  • AU115038B2 - Improvements in or relating to coating compositions containing polyhydric alcohol-polybasic acid resins : en
  • US2282023A - Electrolytic apparatus for forming tire molds : en
  • US2281617A - Cigarette chest : en
  • US2281688A - Ribbon attachment for typewriters for making duplicate copies : en
  • US2281920A - Combined lamp and radio receiving set : en
  • US2281570A - Method of making containers : en
  • US2281768A - Photopolymerization of vinyl halides : en
  • DE720372C - Push button receiver : de en
  • CA404476A - Spherical article dispensing device : en fr
  • US2281816A - Pneumatic treating recovery head for dehydrated ore : en
  • GR9859B - ATMOSPHERIC PRESSURE ENGINE. : el en
  • US2282278A - Package conveying, closing, and sealing machine : en
  • US2281622A - Saturated and unsaturated derivatives of the 3-keto-cyclopentanopolyhydrophenanthrene series : en
  • US2281830A - Process of treating textile fabrics and the product thereof : en
  • US2281833A - Form wall tie : en
  • US2281967A - Wall construction : en
  • CA404606A - Streamlined aircraft structure : en fr
  • US2282206A - Screw-cutting die : en
  • DE720583C - Method of mixed synchronization in television : de en
  • USD132325S - Design fob a brooch oh similar article : en
  • CA404589A - Separable fastener : en fr
  • CA404595A - Load binder : en fr
  • CA404531A - Roofing fastener : en fr
  • GB545044A - Improvements in and relating to the manufacture of amino-acridines : en
  • US2281679A - Means for coating thread : en
  • US2282111A - Metal straightener : en
  • US2282196A - Parallel operation of dynamoelectric machines : en
  • DE720256C - Dome-shaped command post for aircraft : de en
  • US2281851A - Printing mechanism for adding machines : en
  • US2282051A - Combined ejector and indicator for film handling apparatus : en
  • US2281943A - Sliding film projector : en
  • CA404593A - Hydraulic transmission : en fr
  • USPP513P - - rose plant : en
  • DE720399C - Device for attaching balance weights to vehicle wheels with pneumatic tires : de en
  • CA404525A - Radio receiver : en fr
  • DE720360C - Cash register for entering the sales price and the encrypted purchase price of goods in receipts : de en
  • DE720356C - Control for automatic escalators : de en
  • US2281571A - Safety circuits for thermionic apparatus : en
  • US2281584A - Method of treating protein material and products produced thereby : en
  • US2282180A - Temperature control system : en
  • USD132253S - Design for a pennant or similar article : en
  • US2281889A - Fastening and sealing rim and article embodying it : en
  • US2281682A - Pump and bearing construction : en
  • US2281715A - Process for the production of sodium formate : en
  • US2281722A - Sanding or polishing pad : en
  • US2282178A - Governor : en
  • DE720442C - Converter arrangement for reciprocal exchange of energy between an alternating current network and a direct current motor with alternating direction of rotation, temporarily working as a generator : de en
  • CA404584A - Battery grid casting method : en fr
  • USD132284S - Design for a jab : en
  • DK59732C - Cathode ray tube. : da en
  • US2282207A - Container and method of making the same : en
  • DE720390C - Method and device for determining the transverse strength of fibrous materials : de en
  • DE720562C - Method for attaching a particulate filter made of fibers in the housing of a respiratory protection filter : de en
  • US2281925A - Draft regulator for chimneys : en
  • US2282016A - Film support assembly : en
  • CA404545A - Collapsible tap : en fr
  • AU115044B2 - Improvements in or relating to gratings and covers for drains : en
  • AU115053B2 - Improvements in or relating to sliding clasp fasteners : en
  • DE720383C - Spatially movable suspension device for conveyor baskets or the like by means of a universal joint : de en
  • DE718898C - Cable for messaging : de en
  • CA404523A - Gas material dispensing apparatus : en fr
  • US2281700A - Fastening device : en
  • US2282002A - Method of incorporating polymerized aliphatic mono-olefins in polymerized styrene : en
  • DE719952C - Receiver with engine tuning from near or far and with bandwidth control : de en
  • DK59724C - Method of Preparation of 4-Aminoquinolines. : da en
  • DE720569C - Hollow shaped iron pile : de en
  • USD132304S - Truck for a traveling crane : en
  • FR871726A - Improvements to sawtooth current generators : en fr
  • DE720514C - Fade-controlled shortwave superimposition receiving circuit using a multigrid mixing tube : de en
  • US2281753A - Motor : en
  • FR871746A - Reaction-driven boat : en fr
  • US2281592A - Bottle carrier : en
  • US2281663A - Cigarette paper holder : en
  • US2281940A - Coating composition : en
  • USD132295S - Design fob a cabinet : en
  • GB545070A - Improvements in readily releasable couplings or joints for engine and other controls on aircraft, and for analogous purposes : en
  • GR9863B - METHODS OF DRYING RAISIN WITHOUT ARTIFICIAL HEATING IN DARKNESS OR DOUBLE. : el en
  • FR871783A - Soft and silent rim that can replace tires : en fr
  • DE720454C - Suspension for motor vehicles : de en
  • DE720490C - Wheel, especially for motor vehicles : de en
  • DE720371C - Circuit for mutually exclusive signals with electric drive, especially for track blocking signals : de en
  • GB544996A - Improvements in means for displaying jewellery : en
  • US2281997A - Submarine cable signal shaping system : en
  • US2281721A - Knitting machine : en
  • DE720396C - Electric carts with a low loading area and a driver's seat for driving forward and a driver's platform for driving backward : de en
  • US2281691A - Process for heat treating copper alloys : en
  • US2282004A - Method of and means for terminating electric cables : en
  • US2282043A - Rubbing machine : en
  • CA404480A - Post hole digger : en fr
  • USD132341S - Design foe a lapel pin : en
  • FR871651A - Mouldboard for rotary tube furnaces : en fr
  • GB545025A - Improvements in or relating to automatic screw and similar machines particularly driving mechanism for the work spindle thereof : en
  • US2281820A - Truck mixer hopper : en
  • US2282057A - Purification and stabilization of polyvinyl acetal resins : en
  • GB544803A - Process for the manufacture of resites : en
  • US2281952A - Well drilling device : en
  • DE720460C - Device in a flow system for the production of pressed parts, in particular projectiles : de en
  • DE720559C - Container for record needles : de en
  • DE720400C - Device for simulating rolling movements : de en
  • GB544981A - Improvements in or relating to sealing devices for pistons of fluid pressure power transmission apparatus : en
  • US2282126A - Folding and stacking machine : en
  • FR871761A - Police plate : en fr
  • US2281963A - Sound deadener : en
  • US2282223A - Loom : en
  • US2281932A - Friction coupling : en
  • DE720456C - Device for determining parallax correction values : de en
  • FR871700A - High voltage socket (up to 15,000 volts) for supplying mobile transformer cabins : en fr
  • GB545068A - Improved spark plug and methods of making the same : en
  • US2281666A - Valve control means for spray guns : en
  • US2281748A - Equipment for storing volatile liquids : en
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  • US2281871A - Thrust measuring device : en
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  • FR871768A - Improvements to liquid filters : en fr
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  • US2281646A - Method of making stiffened fabrics : en
  • GB545024A - Improvements in collapsible boxes : en
  • GB545028A - Improvements in or relating to the production of shaped gauges or dies : en
  • US2281614A - Cable tool reamer : en
  • US2282300A - Ironing table top : en
  • AU115052B2 - Improved apparatus for peeling, coring and grading pineapples : en
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  • CA404473A - Liquid fuel burning method : en fr
  • CA404561A - Radio amplifier : en fr
  • US2281705A - Extreme pressure lubricant : en
  • US2282170A - Upholstery : en
  • GB544950A - Improvements relating to loose leaf binders : en
  • CA404547A - Sliding clasp fastener : en fr
  • FR871676A - Improvements to tuning indicator tubes : en fr
  • US2282127A - Stacking machine : en
  • DE720523C - Suspension and damping means : de en
  • GB544961A - Electric connector means : en
  • US2281649A - Snap-on closure : en
  • DE708373C - Single wheel drive for steam locomotives and similar traction vehicles : de en
  • DE720481C - Magnetic sound device for cylindrical or tubular recording media : de en
  • DE720513C - Process for the production of monovinylacetylene : de en
  • DE720555C - Process for increasing the sliding properties of textiles : de en
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  • US2282028A - Electrical accumulator : en
  • US2282204A - Garment and like pressing machine : en
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  • US2282182A - Amplifier circuit : en
  • US2281923A - Lawn mower package : en
  • DE720484C - Callitypie method : de en
  • FR871672A - Apparatus for emitting alarm signals of fixed duration, for example signals of fire, air attacks or the like, transmitted by loudspeaker systems : en fr
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  • US2282243A - Submerged motor assembly : en
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  • AU120241A - Method of assembling magnet system for a moving coil device : en
  • US2282195A - Racket : en
  • CA404558A - Selective radio receiving system : en fr
  • US2282069A - Hydrometer : en
  • CA404564A - Gaseous discharge device : en fr
  • CA404526A - Storage battery : en fr
  • CA404544A - Clean-up agent for thermionic valves : en fr
  • DK59722C - Oven. : da en
  • US2282007A - Control of motor operated devices : en
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  • US2282262A - Article of furniture : en
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  • CA404485A - Windshield wiper motor : en fr
  • FR871687A - Card library : en fr
  • US2282222A - Motor vehicle wheel : en
  • US2282197A - Combustion control system : en
  • CA404513A - Polishing material : en fr
  • GB544947A - Improvements in and connected with multi-engine drives : en
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  • US2281803A - Cash register : en
  • US2281572A - Safety circuits for electronic apparatus : en
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  • CA404556A - Material filter : en fr
  • CA404576A - Electric current control system : en fr
  • DE720595C - Combine harvester : de en
  • US2281693A - Volume range control system : en
  • DE720430C - Device for dividing certain quantities of bulk goods from feed chutes : de en
  • US2281678A - Manufacture of ribbed insoles : en
  • US2282063A - Railroad passenger car : en
  • US2281621A - Band pass filter : en
  • DE720500C - Electric contact : de en
  • US2281824A - Modified lubricating oil : en
  • US2282263A - Camera with direct-vision view finder : en
  • GB544965A - A process for the treatment of zircon sand : en
  • FR871775A - Polarized direct current relay for signaling : en fr
  • DE720417C - Electrically operated hot water heating system with a hot water storage tank heated by built-in resistors : de en
  • GB545007A - Improvements in or relating to static discharge devices : en
  • CA404489A - Sealed container : en fr
  • DE720457C - Device for determining parallax correction values : de en
  • US2281828A - Refrigeration : en
  • US2282176A - Method and apparatus for forming helical lock seam pipe : en
  • GB545067A - Improvements in box-making machines : en
  • USD132263S - Grab bar or similar article : en
  • DE720361C - Process for producing a digestible feed : de en
  • US2281616A - Process and apparatus for treating liquids with a gaseous medium : en
  • US2282107A - Typewriter display device : en
  • US2282239A - General bushing seal : en
  • US2282041A - Container closure construction : en
  • CA404487A - Canning apparatus : en fr
  • US2281550A - Electric-circuit element : en
  • US2281936A - Loaf control for bread wrapping machines : en
  • USD132248S - Built-in paper holder or the like : en
  • DE720474C - Arrangement for the simultaneous transmission of several messages by means of a carrier shaft : de en
  • DK59725C - Process for the production of halogenated acyl or sulphonylaminobenzol sulphonic acids. : da en
  • US2281747A - Winding apparatus : en
  • DE720568C - Overflow and underflow rifle weir : de en
  • DE720492C - Mixing device for paints : de en
  • DE720476C - Device for stepwise drive, consisting of rotary magnets coupled to one another : de en
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  • FR871785A - Process for carrying out additional reactions in shaft furnaces, in particular in blast furnaces : en fr
  • USRE22089E - Method of preparing the same : en
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  • US2282226A - Control means for industrial heattreating furnaces : en
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  • DE720376C - Electric hotplate for stoves and like : de en
  • DK59730C - Air-filled electric incandescent lamp with double helical incandescent bulb. : da en
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  • DE720447C - Discharge vessel with an equipotential cathode attached to an insulating tube, which has a longitudinal, e.g. Has elliptical cross-section : de en
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  • US2281576A - Polyamides and process of making same : en
  • AU117741A - Improvements relating tothe filtration or cleaning of producer gas more especially for use in internal combustion engines : en
  • FR871694A - Regulator device intended to keep the locally synchronized shaft running synchronous and in phase : en fr
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  • FR871756A - Metal button and its manufacturing process : en fr
  • US2281978A - Continuous vapor pressure apparatus : en
  • US2282258A - Plasticized and nonplasticized double wall bag : en
  • FR871719A - Continuously variable frequency electrical systems : en fr
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  • US2282117A - Daylight loading film receptacle : en
  • US2281633A - Pipe and coupling : en
  • CA404546A - Fastener end stop : en fr
  • US2281870A - Gun perforator : en
  • CA404510A - Halftone screen : en fr
  • CA404573A - Radio shielding : en fr
  • CA404560A - Radio amplifier : en fr
  • US2282217A - Undergarment : en
  • US2281866A - Ratchet mechanism : en
  • US2281834A - Self-hardening cement for spark plugs : en
  • US2282084A - Clutch : en
  • US2282227A - Chassis frame : en
  • US2282302A - Photoelectric tube : en
  • CA404494A - Manifolding device : en fr
  • US2281819A - Wallpaper removing device : en
  • US2282003A - Electric cable : en
  • US2281885A - Wringer roll stop mechanism : en
  • US2281664A - Combined window shade and curtain rod support : en
  • US2281900A - Control mechanism for printing machines : en
  • US2281652A - Coffee maker bowl support : en
  • CA404457A - Display mount : en fr
  • US2281591A - Method of making composite sheets : en
  • US2281981A - Building structure : en
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  • FR871683A - Rotating cylindrical drawer : en fr
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  • US2281951A - Furnace wall : en
  • US2282005A - Phenazine and naphthazine fog inhibitor for photographic emulsions : en
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  • US2282244A - High pressure safety valve : en
  • US2281557A - Stapling machine : en
  • USD132316S - Design fob a combination thebmom- eteb, mibbob, and beflectob de- vice : en
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  • US2282237A - Combined electric coupling and reverse gear : en
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  • US2282131A - Electrical signaling system : en
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  • GB544956A - Improvements in or relating to methods of substituting alcoholic hydroxyl groups by bromine : en
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  • DE720558C - Gang saw fishing rod : de en
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  • US2281713A - Method of setting poles : en
  • GB544990A - Improvements in and relating to bakers conveyor-ovens : en
  • US2281911A - Separation of isobutylene from hydrocarbon mixtures : en
  • US2282106A - Ceramic-to-metal seal : en
  • DE720411C - Ventilation attachment, especially for chimneys : de en
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  • GB544940A - Improvements in and relating to the controlling of pressure charged internal combustion engines for aircraft : en
  • CA404550A - Multiple electrical proportioning system : en fr
  • AU14641A - An improved process and apparatus forthe treatment K, of flax andthe like : en
  • DE720473C - Circuit arrangement for telephone systems with dialer operation over lines equipped with amplifiers : de en
  • FR871791A - Rigid insulator : en fr
  • GB545011A - Improvements in or relating to the big end of connecting rods : en
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  • DE719970C - Method of separation and purification of the hormones of the posterior lobe of the pituitary gland : de en
  • DE720375C - Electric rod heater : de en
  • FR871652A - Vegetal-mineral crystals for bleaching laundry and fabrics of all kinds : en fr
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  • US2282049A - Method of sinking posts : en
  • US2282192A - Grinding wheel : en
  • US2282280A - Folding display device : en
  • US2281857A - Ethyl dinitro salicylate as an insecticide : en
  • US2281813A - Sliding tray for high chairs : en
  • US2281846A - Straw cutter for grain combines : en
  • US2281974A - Molasses mixing tank : en
  • DE720550C - Electric motor that is located under the mirror of an explosive liquid : de en
  • US2281720A - Cup and saucer combination : en
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  • DE720578C - Rotary piston machine for generating cold air : de en
  • GB544959A - Improvements in or relating to generators of electrical oscillations : en
  • FR871759A - Calcium carbide acetylene generator for engines, particularly for automobile engines : en fr
  • CA404529A - Latex molding apparatus : en fr
  • CA404580A - Telephone handset : en fr
  • FI19115A - Kätting för barkningsanordningar eller liknande : en fi
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  • US2281938A - Rigid-back chain : en
  • US2281972A - Self-threading shuttle eye : en
  • US2281991A - Dental amalgam alloy : en
  • US2281690A - Refrigerator : en
  • US2281903A - Variable throw crank : en
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  • US2281744A - Face mask : en
  • US2281796A - Art of effecting countercurrent contact between fluids : en
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  • DE720551C - Waterproof enclosed electrical machine : de en
  • DK59733C - Electrically heated, water-filled Radiator. : da en
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  • GB544974A - Improved method of and apparatus for forming rods, tubes and like articles by extrusion : en
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  • GB544995A - Sludge digestion apparatus used in sewage treatment : en
  • DE720592C - Process for the electrowinning of cadmium : de en
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  • DE720549C - Tilting oscillation generator with two discharge sections (multivibrator) that alternately put each other out of operation via RC elements : de en
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  • US2282010A - Device for remote control : en
  • US2282014A - Control means for vacuum heating systems : en
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  • US2282235A - Hydrocarbon gas treatment for electrographitic material : en
  • US2281933A - Differential pump : en
  • DE720598C - Switching device for bathing stoves or the like for switching the water to shower or spout : de en
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  • CA404579A - Reversing mechanism : en fr
  • FR871748A - Improvement in wood pyrogenation devices : en fr
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  • US2281937A - Therapeutic composition : en
  • US2282236A - Eyeglass construction : en
  • US2281791A - Method of mixing beverages : en
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  • FR871665A - Improvements to water heaters and similar liquid heaters : en fr
  • FR871760A - gas scrubber-dust collector for all applications and in particular for gasifiers : en fr
  • DK59731C - Procedure for Manufacturing Electron Beam Tubes. : da en
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  • US2282186A - Resistance welding electrode and method : en
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  • US2281867A - Centrifugal soil pipe casting machine : en
  • US2281996A - Submarine cable amplifying system : en
  • USD132336S - Design for a brooch or similar article : en
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  • USD132297S - Design fob a snowshield oe the like : en
  • GB545005A - Improvements in fresh-air inlet valves : en
  • DE720590C - Device for adjusting the stop plate on slicers with slicers : de en
  • DE720362C - Device for clarifying the waste water from cellulose, wood pulp, paper and cardboard production : de en
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  • US2282168A - Decorative upholstery fabric : en
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  • US2282098A - Carbon electrode : en
  • US2282277A - Thermometer : en
  • US2281631A - Centrifugal pump : en
  • US2282163A - Treatment of silicon-iron alloys : en
  • USD132330S - Design for a brooch or similar article : en
  • AU289641A - Electric heating devices : en
  • FR871763A - Manufacturing process for wood-soled shoes and resulting industrial product : en fr
  • GB544920A - Improvements connected with the indication or control of the performance of synchronous dynamo electric machines : en
  • FR871733A - Process for the preparation of compounds belonging to the diphenylethane series : en fr
  • CA404543A - Liquid treating process : en fr
  • GB544972A - Improvements in or relating to driving arrangements for lifts, hoists, and the like : en
  • FR871698A - Fitting for connecting filters or oxygen breathing apparatus to gas masks as desired : en fr
  • USD132255S - Design for a cabinet : en
  • CA404502A - Electric heater : en fr
  • US2281861A - Cigarette making device : en
  • US2281883A - Speed control for engines : en
  • US2282122A - Shock absorber for the balance staff of watches : en
  • US2282265A - Extraction apparatus and method : en
  • US2282029A - Recording device : en
  • US2281587A - Method of making cutting dies : en
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  • US2282006A - Pigment and coating compositions containing the same : en
  • USD132337S - Design for a bkooch or similar article : en
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  • US2282301A - Filter card : en
  • US2282077A - Changeable pitch propeller unit : en
  • US2282241A - Making dolomite briquettes for use in the production of magnesium : en
  • USD132300S - Design for a bag ob the like : en
  • US2281618A - Inverse feedback amplifier : en
  • US2282009A - Manufacture of vinyl resin film and sheeting : en
  • USD132291S - Design fob an tjltra-violet : en
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  • US2281994A - Impulse sender for use in telephone or like systems : en
  • US2281542A - Electrical conductor : en
  • US2281878A - Valve tube and casing therefor : en
  • US2281929A - Railway signaling apparatus : en
  • DE720452C - Device for the production of paper tubes : de en
  • US2282261A - High frequency testing apparatus : en
  • CA404500A - Shipping container : en fr
  • AU217940A - Improvements in or relating to television transmitting apparatus : en
  • CA404535A - Band-pass filter and trap circuit : en fr
  • DE720438C - Terminating or coupling bridge for concentric high-frequency lines : de en
  • DE720531C - Six-link transmission for internal combustion engines : de en
  • GB544954A - Automatic telephone system : en
  • CA404540A - Sewing mechanism : en fr
  • CA404463A - Building : en fr
  • CA404462A - Fly-ball governor : en fr
  • CA404557A - Spark plug : en fr
  • US2282175A - Welding flux : en
  • GB544967A - Improved ceramic articles suitable for use as electrical insulators : en
  • US2282250A - Valuable vat dyestuffs of the dibenzanthrone and isodibenzanthrone series : en
  • USD132311S - Bracelet link or similar article : en
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  • CA404575A - Screening apparatus : en fr
  • USD132324S - Design fob, a bkooch ob similar article : en
  • DE720350C - Circuit arrangement for line selectors with hunt groups : de en
  • FR871689A - Process for collecting phenols : en fr
  • GB544927A - Improvements in or relating to coating compositions and pigments therefor : en
  • DE720419C - Fuel for pulverized coal engines : de en
  • US2282267A - Tractor hitch : en
  • US2281993A - Hair drying machine : en
  • US2282255A - Bushing cap : en
  • US2281916A - Overdrive control system : en
  • USD132268S - Design fob a game board : en
  • AU115039B2 - Improvements in or relating to automatic telecommunication systems : en
  • US2281792A - Ftszo : en
  • DE720522C - Electric butt or flash welding device : de en
  • FR871798A - Improvements made to electromagnetic elements such as coils, conductors, etc. : en fr
  • US2281709A - Beat oscillator : en
  • US2282247A - Drawer guide : en
  • USD132274S - Design foe a television camera : en
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  • CA404551A - Shower head : en fr
  • US2282072A - Machine for operating upon record cards : en
  • GB545023A - Improvements in or relating to the bonding of metals : en
  • US2282060A - Goniometer coil for radio direction finding systems : en
  • USD132272S - Design fob a badge : en
  • US2281725A - Panel feed mechanism : en
  • US2281910A - Flux : en
  • US2282284A - Reflex camera : en
  • FR871713A - Process for the preparation of synthetic acetyl-alpha-tocopherol : en fr
  • US2282156A - Fishing reel spool : en
  • US2281562A - Fuel gas production : en
  • US2282067A - Printing control mechanism : en
  • DE720329C - Process for improving the permanent magnet properties of iron-nickel-aluminum alloys that can be achieved by subsequent magnetization : de en
  • DE720545C - Process for the preparation of mixtures containing allyl chloride : de en
  • GB545048A - Improvements in or relating to fluid-pressure operated starters for internal-combustion engines and to other fluid-pressure operated apparatus : en
  • US2282113A - Band-pass filter : en
  • CA404471A - Fire extinguishing system device : en fr
  • US2281754A - Heat exchanger : en
  • AU115045B2 - Improvements in centrifugal gas cleaners : en
  • US2282157A - Stoker : en
  • US2281939A - Tool : en
  • US2281961A - Production of superpolyamides : en
  • CA404524A - Optical projection apparatus : en fr
  • US2281853A - Permanent wave method and apparatus : en
  • USD132271S - Design for a hair curler comb : en
  • US2281564A - Automatic telephone apparatus and circuits : en
  • FR871695A - Process for the impregnation of thick fabrics by means of gum, and products obtained by this process : en fr
  • US2281835A - Adjustable supporting device : en
  • GB544919A - Improvements in or relating to materials for resisting toxic liquids : en
  • US2282183A - Adjustable neckband for shampoo and like capes : en
  • US2281694A - Manifold : en
  • FR871799A - Improvements to radio frames : en fr
  • DE712671C - Procedure for checking the display of a beacon receiver : de en
  • CA404581A - Wave translation system : en fr
  • US2281858A - Suction cleaner : en
  • CA404599A - Moulded concrete pile : en fr
  • DE720387C - Air pressure altimeter with integrating mechanism : de en
  • DE720409C - Circuit arrangement for operating secondary electron multipliers : de en
  • DE720449C - Method for reproducing stereo images using polarized light : de en
  • DE720504C - Sorting device for grainy goods : de en
  • CA404470A - Mineral separator : en fr
  • US2281653A - Portable tray : en
  • US2282203A - Stencil : en
  • US2281668A - Apparatus and method for adjusting transmitting antennas : en
  • US2282075A - Motor drive operating mechanism for roll film cameras : en
  • US2281669A - Gas meter : en
  • US2281728A - Process for the manufacture of asphaltic material : en
  • DE720380C - lubricant : de en
  • CA404522A - Vehicle tongue support : en fr
  • US2281544A - Pressure switch : en
  • US2281579A - Manufacture of gaseous conduction lamps : en
  • US2281800A - Closure for storage batteries : en
  • US2281657A - Package : en
  • US2281683A - Roll wringer mechanism : en
  • US2281741A - Construction for the digits of display figures and the like : en
  • US2281862A - Ignition coil and terminal connector : en
  • USD132312S - Combination ash tray and card tray : en
  • US2282055A - Smoking pipe : en
  • AU115057B2 - Improvements in limit gauges ofthe caliper type : en
  • US2282181A - Antiseptic fabric : en
  • CA404574A - Wheel and plate structure : en fr
  • US2282026A - Treatment of polyvinyl acetal resins : en
  • US2282286A - Monogram affixing device : en
  • US2282053A - Gear shifting mechanism : en
  • US2281959A - Drawer construction : en
  • US2282174A - Resilient mounting for motors : en
  • US2281644A - Inverse feedback amplifier : en
  • CA404508A - Glassless photographic film gate for printing : en fr
  • US2281684A - Furniture wall guard : en
  • US2282109A - Folding chair : en
  • US2282166A - Car truck : en
  • USD132252S - Design for a waffle iron : en
  • CA404491A - Sheet metal container : en fr
  • US2282274A - "vinyon" bandage and method of making and setting it : en
  • USD132323S - Design fob a brooch ob similab abticle : en
  • USD132287S - Design for a finger guard or similar article : en
  • US2282289A - Halogen extraction : en
  • DK59727C - Electric Central Control System for Railway Safety Systems with Motor Signals. : da en
  • FR871743A - Method and apparatus for the conversion of carbon monoxide : en fr
  • USD132273S - Design fob a badge : en
  • DE720541C - Aircraft headlights : de en
  • FR871779A - Variable level and constant flow filter : en fr
  • GB545074A - Improvements in apparatus for loading sheath wire electric heating units : en
  • CA404483A - Hair waving process : en fr
  • CA404578A - Compressor unloading valve mechanism : en fr
  • DE720420C - Machine tool, in particular lathe or parting machine, with an adjusting device influencing the control device for the speed to keep the cutting speed constant : de en
  • CA404552A - Journal bearing : en fr
  • DE720358C - Impeller fluid meter : de en
  • US2282059A - Samu-el ish-shalom : en
  • US2282249A - Centrifugal device : en
  • USD132296S - Design for a reflector for tubular lamps : en
  • CA404503A - Electron discharge circuit : en fr
  • US2282298A - Spring supported scraper blade for the conduits of heat exchangers : en
  • DE720571C - Process for the production of cylindrical hollow bodies from helically wound metal strips, e.g. Tube : de en
  • US2281948A - Relaxation oscillator : en
  • GB544980A - Improvements in and in the production of taps, dies and the like screw-threading tools : en
  • DE720528C - pipette : de en
  • FR871658A - Process for dyeing cellulosic fibers, animal fibers or mixtures of these fibers and products obtained by this process : en fr
  • GB545063A - Improvements in and relating to electric welding apparatus : en
  • GR9858B - SOUP. : el en
  • US2281743A - Circuit breaker : en
  • US2282214A - Metal spray gun : en
  • USD132270S - Design for a golf game device : en
  • AU115041B2 - Improved band or wire strainer : en
  • FR871717A - Improvements to the Spanish : en fr
  • US2281635A - Plastic film material : en
  • CA404486A - Windshield wiper : en fr
  • DE720435C - Telegraph transmitter : de en
  • GB544918A - Improvements in flush valves : en
  • US2281604A - Container for holding liquid under pressure : en
  • GB545018A - Improvements in or relating to incendiary bombs : en
  • FR871707A - Reel Film Cartridge : en fr
  • GB545017A - Improvements in and relating to spinning or twisting spindles : en
  • GB545053A - Improved process and apparatus for reclaiming or re-manufacturing leather from waste leather or leather-substitute : en
  • FR871692A - Shock absorber mounts : en fr
  • GB545072A - Improvements in and connected with electrical conversion systems and the regulation thereof : en
  • GB544970A - Improvements in and relating to wearing apparel : en
  • FR871673A - Pylon for overhead lines : en fr
  • US2281988A - Ventilating device for projection apparatus : en
  • FR871738A - Universal support for parts to be traced, or to be worked, which can rotate, for exactly measurable angular amplitudes, around three axes perpendicular to each other : en fr
  • FR871764A - Hydraulically controlled organ feed system : en fr
  • FR871731A - Monoazo dyes and their manufacturing process : en fr
  • US2281818A - Railway locomotive piston valve inertia arrester : en
  • DE720487C - Device for damping the impacts and stresses that occur when the parachute is deployed : de en
  • DE720564C - Arrangement for simultaneous remote transmission of several measured quantities : de en
  • USD132331S - Design for a brooch or similar article : en
  • US2281949A - Apparatus for seismograph prospecting : en
  • DE720431C - Pneumatic tube hub : de en
  • DE720505C - Method and device for sprinkling large areas of circular sections : de en
  • DE720597C - Switching device for starter engines on motor vehicles with an external power source : de en
  • GB545054A - Improvements relating to connecting means for connecting building elements together : en
  • GB545060A - Metal shearing and planing machine tool : en
  • FR871789A - Marine lift pumps : en fr
  • GB544916A - Making synthetic resins and varnishes therefrom : en
  • US2281732A - Chair : en
  • DE720353C - Process for the production of high-emission cathodes using the metal vapor process : de en
  • GB544946A - Improvements in liquid fuel burners : en
  • GR9862B - METHOD AND DEVICE FOR ANNOUNCEMENT OF ATTEMPTED THEFT. : el en
  • US2281856A - Dioctyl cyanamide as an insecticide : en
  • GB544963A - Improvements in or relating to broaching machines : en
  • FR871752A - Artificial material sleeve for film on reels : en fr
  • US2282266A - Coaxial propeller drive and mounting : en
  • US2281983A - Self-locking arbor for tubes and spools or the like : en
  • US2281563A - Pilot for gas ranges : en
  • DE720389C - Endurance testing machine : de en
  • DE720566C - Centrifugal drum with discharge on the circumference : de en
  • US2281689A - Valve structure : en
  • FR871753A - Immersion filter for tea and similar aromatic products : en fr
  • CA404490A - Sheet metal container : en fr
  • GB545055A - Improvements in or relating to the excitation control of alternating current generators : en
  • US2281859A - Lubrication device : en
  • US2281782A - Knife : en
  • US2282161A - Journal assembly for axle or shaft bearings : en
  • US2282293A - Heat insulating lining : en
  • US2281928A - Quick shift rooter : en
  • DK59745C - Hydrant. : da en
  • US2281759A - Sewage treatment : en
  • CA404532A - Railway car truck : en fr
  • GB544953A - Manufacture of dyestuffs : en
  • US2281890A - Apparatus for detecting the approach of railway trains : en
  • CA404493A - Glycerine and lye processing : en fr
  • DE720556C - Pressure stamp for casting liquid metal under explosion pressure for dental purposes : de en
  • CA404583A - Circuit regulator system : en fr
  • GB545002A - Improvements in wrapping machines : en
  • US2281677A - Thiocyanomethyl derivatives of phenyl ethers : en
  • US2281766A - Logging of permeable formations traversed by wells : en
  • US2281840A - Air deflector for motor vehicles : en
  • US2282062A - Envelope opener : en
  • US2282099A - Coded track circuit for railway traffic control : en
  • US2281696A - Balanced control surface : en
  • US2282188A - Vacuum breaker : en
  • US2282115A - Trinuclear polymethine dyes : en
  • USD132250S - Design fob a built-in tumbler holder : en
  • USRE22092E - steinmayer : en
  • DE720588C - Manufacture of anti-rust pigments from filter dust that is produced when cleaning blast furnace top gas : de en
  • CA404585A - Wall tie : en fr
  • DE720388C - Device for testing workpieces, components, etc. for their fatigue strength : de en
  • USD132321S - Design for a brooch or similar article : en
  • DE720497C - Switchgear for high voltages : de en
  • DE720572C - Process for the production of cup-shaped hollow bodies from a metal block : de en
  • FR871797A - Method and device for bending beams : en fr
  • GB544931A - Improvements relating to the production of unsaturated hydroxy-ketones : en
  • US2282264A - Process of producing substances having tanning action : en
  • DE720491C - Pump for tires of bicycles and vehicles : de en
  • US2281930A - Cylindrical grinding machine : en
  • US2282042A - Hemming attachment for sewing machines : en
  • DE720529C - Counter for stamps : de en
  • GB544938A - Improvements in or relating to optical scale-reading apparatus : en
  • US2281586A - Combined scuff plate and weather strip : en
  • US2281636A - Tandem telephone system : en
  • CA404518A - Paper stock treating apparatus : en fr
  • US2281601A - Pull rod carrier : en
  • US2282085A - Piston : en
  • US2282253A - Photometer : en
  • GB545030A - Improvements relating to electromagnetically-operated electric switches : en
  • USD132262S - Grab bah or similar article : en
  • DE720464C - Device for batch treatment of grainy fuels or the like. : de en
  • GB544987A - Improvements in, and connected with, electric switches with push button or plunger actuation : en
  • FR871793A - Arc protection device for high voltage insulators : en fr
  • GB544992A - Improvements in and relating to ventilators : en
  • USD132318S - Design for a counter display case : en
  • FR871736A - Preparation process for base exchangers : en fr
  • GB545037A - Drink mixers : en
  • DE720512C - Process for rendering combustible materials non-flammable : de en
  • DE720591C - Use of a material with certain physical properties as a bandage material : de en
  • CA404555A - Vibratory screen : en fr
  • DE720520C - Method for electrical resistance welding in which the discharge of a capacitor is used to feed the primary winding of a transformer : de en
  • US2281612A - Iodine compound and method for producting the same : en
  • US2281746A - Apparatus for detecting combustible gases : en
  • US2282123A - Mosaic screen : en
  • US2282221A - Girder : en
  • FR871671A - Improvements in temperature regulation : en fr
  • DK59739C - Locking device by screws with associated screwdriver. : da en
  • US2281714A - Lock : en
  • US2281912A - Two-way signaling system : en
  • DE720414C - Tool for fitting ball bearings without fitting : de en
  • FR871684A - Machine for pressing, dividing and shaping bakery dough : en fr
  • FR871646A - : fr
  • US2282134A - Machine for forming heel seats in the manufacture of shoes : en
  • US2281629A - Device for preventing colic in feeding infants : en
  • US2281976A - Method of splicing rubber : en
  • US2281685A - Injection engine : en
  • US2282291A - Photographic camera shutter control means : en
  • CA404469A - Rubber glove : en fr
  • FR871725A - Magnetic flywheel : en fr
  • US2282140A - Time recorder : en
  • US2281719A - Grinding wheel dresser : en
  • US2281827A - Debris separator for coal washing apparatus : en
  • GB544937A - Improvements in brake installations for motor vehicles : en
  • US2281695A - Gum and carbon removal : en
  • US2281588A - End dam for milk desiccators : en
  • US2281626A - Refrigerating apparatus : en
  • US2281957A - Railway traffic controlling apparatus : en
  • USD132269S - Design for a badge or similar article : en
  • USD132307S - Design foe a truck for a traveling crane : en
  • DE720373C - Fine fuse for larger currents : de en
  • US2281764A - Pressure-responsive switch : en
  • FR871690A - Process for the disintegration of silicate lithium minerals : en fr
  • FR871787A - Elastic wedging device for windings, in particular for transformers : en fr
  • DE720398C - Device for forming a stop for the reverse movement of opposing pistons of the auxiliary cylinders of auxiliary power controls for hydraulic vehicle brakes : de en
  • DE720465C - Process for the production of grainy coke from brown coal : de en
  • DE720565C - Process for the production of multi-layer coatings : de en
  • US2281729A - Metal ironing board : en
  • US2282083A - Railway signal control circuit : en
  • USD132289S - Design for a cleaning gun unit : en
  • US2281829A - Refrigeration : en
  • US2282211A - Sulphone compounds : en
  • USD132333S - Brooch or similar article : en
  • US2281595A - Apparatus for servicing railway running gears : en
  • USD132338S - Brooch or similar article : en
  • US2281757A - Action toy : en
  • US2281953A - Blade stropping device : en
  • USD132290S - Design for a woven pile carpet fabric : en
  • DE1517465U - : de en
  • US2282039A - Indicating cylinder : en
  • US2282154A - Circuit interrupter : en
  • US2282231A - Separation of aromatic hydrocarbons : en
  • CA404570A - Telegraph transmitter : en fr
  • CA404459A - Gasification burner nozzle cleansing device : en fr
  • US2281964A - Method and apparatus for making paper bags : en
  • US2282114A - Micrometer calipers : en
  • DE720343C - Methods for increasing the sensitivity of photographic silver emulsions : de en
  • DE720443C - Voltage converter for very high voltages with dry insulation : de en
  • DE720542C - Motor vehicle, in particular rear-engine vehicle : de en
  • DE720567C - Synchronized clock : de en
  • US2282046A - Multiplex signaling system : en
  • US2282100A - Controller for telephonic recording : en
  • USD132260S - Design foj, a grab bar or similar article : en
  • CA404484A - Liquid control device : en fr
  • CA404562A - Radio amplifier : en fr
  • USD132265S - Repair lock for metal castings or the like : en
  • US2282101A - Detection of frequency modulated waves : en
  • DE720488C - Parachute harness equipment with quick release for flyers : de en
  • DE720422C - Photographic camera with electric light meter : de en
  • DE720593C - Device for eliminating interference noise when playing recorded speech streams : de en
  • CA404600A - Sheet material stripping apparatus : en fr
  • US2281660A - Crop divider for mowing machines : en
  • US2282220A - Head band for use in connection with bathing caps : en
  • US2282254A - Securing means for pump liners : en
  • DK59721C - Vibration screens. : da en
  • US2281554A - Curling machine : en
  • CA404521A - Combine pick-up : en fr
  • CA404587A - Louver mechanism for attic ventilation : en fr
  • FR871773A - Reversible clutch for gear change : en fr
  • US2281774A - Slotting machine : en
  • US2282038A - Variable trimmer cam : en
  • US2282061A - Combination storm and screen sash : en
  • DE720440C - Pantograph : de en
  • US2282287A - Desulphurized polysulphide polymer and process of making : en
  • USD132313S - Design foe a game board : en
  • CA404533A - Wire rope treating apparatus : en fr
  • CA404478A - Shoe manufacture : en fr
  • GB545066A - A new or improved method of crowning gears and apparatus therefor : en
  • AU115058B2 - Method of assembling magnet system for a moving coil device : en
  • CA404610A - Oat grit or groat production : en fr
  • CA404536A - Composite structural member manufacture : en fr
  • US2282110A - Fluid dispenser : en
  • US2282138A - Process for the production of soluble coffee extract : en
  • US2281990A - Treatment of blood : en
  • US2282121A - Multiplying machine : en
  • CA404563A - Wood pulp purification : en fr
  • CA404519A - Paper stock treating apparatus : en fr
  • US2281934A - Electrical impulse segregation circuits : en
  • US2282120A - Cash register : en
  • US2281864A - Verticla framing construction : en
  • USD132266S - Combined lapel watch and reflector button : en
  • US2281873A - Piston ring : en
  • CA404559A - Electron multiplier : en fr
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  • US2281701A - Basket : en
  • US2281801A - Method of and means for pumping wells : en
  • DE720359C - Adding machine : de en
  • US2281924A - Executing reactions with the aid of fugitive catalysts : en
  • AU292141A - Improvements in or relating to filters : en
  • DE720384C - Made of ceramic material covering for tubular heating elements with a flexible filling of the spaces between the two bodies : de en
  • US2281980A - Concealed spring razor : en
  • US2282032A - Method of seam welding : en
  • US2281761A - Pinking machine : en
  • US2281773A - Fluid applicator : en
  • GB545016A - Improvements in or relating to turbine driven blowers : en
  • DE720485C - Conveyor device for liquids : de en
  • AU115042B2 - Improved method and apparatus forthe distillation of oil-shales : en
  • CA404468A - Cereal grain germ processing : en fr
  • CA404511A - Photomechanical reproduction : en fr
  • GB544951A - Improvements in thermionic valves : en
  • FR871708A - Flat knitting machine : en fr
  • CA404568A - Strap seal : en fr
  • DE720554C - Valve device for compressors of gases and vapors : de en
  • FR871737A - Film tape capsule chassis with spool : en fr
  • FR871795A - Welding process and machine suitable for carrying out this process : en fr
  • US2282087A - Automobile heater : en
  • US2282090A - Corsage holder : en
  • DE719709C - Process for the production of spacers wound from flexible insulating strips for air-space insulated telecommunication lines : de en
  • DE720406C - Paper web tensioning device on rotary printing machines : de en
  • DE720539C - Roll film spool : de en
  • FR871696A - Improvements made to sheets of paper for rolling cigarettes oneself and to devices for debtor of said sheets : en fr
  • FR871732A - Carbonic acid absorption cartridge : en fr
  • US2281568A - Flat plate ironer : en
  • DE720596C - Turning device for internal combustion engines : de en
  • US2281799A - Flow distributor : en
  • GB545029A - Cigarette-making device : en
  • GB544924A - Improvements in dynamo-electric machines : en
  • CA404506A - Bentonite product : en fr
  • DE720332C - Device for measuring blood color : de en
  • GB544969A - Improved porous metal articles and methods of making the same : en
  • FR871657A - Advanced crusher : en fr
  • US2281735A - Dusting composition : en
  • US2282136A - Automobile headlight shade : en
  • DE720534C - Injection carburetor : de en
  • FR871766A - Sharpening process for mechanical razor blades : en fr
  • US2282164A - Selective apparatus : en
  • CA404499A - Bowling alley approach : en fr
  • CA404539A - Panel mounting : en fr
  • CA404605A - Crustacea shell and flesh separating method : en fr
  • FR871660A - Adjusting the ignition timing of light oil internal combustion engines with automatically controlled fuel distribution, especially in the case of supercharged aircraft engines : en fr
  • US2282185A - Locomotive tire sander : en
  • US2281875A - Power transmitting mechanism : en
  • US2281984A - Play garment : en
  • US2281727A - Sifter : en
  • US2282078A - Electrical heating device : en
  • DE720525C - Instant water heater : de en
  • US2281946A - Screed support : en
  • US2282105A - Detection of frequency modulated waves : en
  • US2282172A - Dispensing device : en
  • FR871654A - Cathode ray tube for carrying out measurements : en fr
  • GB545001A - Active contact masses : en
  • US2281610A - Dust collector : en
  • US2281760A - Deodorizing device : en
  • US2281551A - Electric communication : en
  • FR871727A - Process for repairing the sole of a shoe or galoche : en fr
  • FR871693A - Water skiing : en fr
  • FR871769A - Resistance for electric heating : en fr
  • GB544934A - Improved machine tool for cutting gears having curved teeth : en
  • GB544975A - Improvements in electrical systems for the transmission and reception of intelligence : en
  • GB545069A - Improved spark plug : en
  • DE720444C - Arc lamp spotlight for locating and tracking moving targets : de en
  • FR871777A - Battery charge status indicator : en fr
  • FR871722A - Mixer-doser adaptable to existing carburettors for the use of town gas or other : en fr
  • FR871749A - Improvements to Norwegian cooking pots : en fr
  • GB545003A - Improvements in or relating to collapsible boxes and like containers : en
  • FR871780A - Sulfimides having a substituent on the nitrogen atom and process for their preparation : en fr
  • USRE22087E - Tuning control device for radio : en
  • US2281581A - Dining car : en
  • US2281665A - Phonographic apparatus : en
  • US2282052A - Testing device for determining mass distribution : en
  • FR871714A - Improvements to the electrical controls of machine tools : en fr
  • US2282212A - Drain assembly : en
  • USD132245S - Chase afflique" embroidery : en
  • US2281547A - Automatic phonograph : en
  • US2281960A - Apparatus for logging bores : en
  • US2281573A - Method and apparatus for making branch-fitting blanks : en
  • US2282112A - Method for making the contaminated water from alkaline pulp mills harmless : en
  • US2281844A - Distant control apparatus : en
  • US2281891A - Picture transmission, television, and the like : en
  • US2282079A - Light reflecting sign : en
  • US2282040A - Ignition coil : en
  • US2282054A - Xpbesekvajxonofglycebideoils : en
  • US2282027A - Method of casting cement : en
  • US2281651A - Food dispenser : en
  • FR871735A - Process for freezing fruits, vegetables, etc. : en fr
  • GB544913A - Ceramic bodies and a method of making the same : en
  • FR871742A - Manufacturing process for malleable iron : en fr
  • DE720468C - Process for the preparation of esters of ª ‡, ª ‡ -substituted 4, 4'-dioxy compounds of the stilbene series : de en
  • GB544962A - Improvements in multiple photograph cameras : en
  • US2281574A - Curling machine : en
  • US2282024A - Liquid sterilizer : en
  • USD132320S - Design fob a muff : en
  • US2281854A - Method and apparatus for packaging asphalt and container therefor : en
  • US2281895A - Light sensitive material : en
  • US2282082A - Cooking apparatus : en
  • FR871721A - Closure for reel film : en fr
  • US2281654A - Connector : en
  • US2281950A - Circuit breaker : en
  • US2282074A - Film magazine with sound drum : en
  • USD132326S - Design for a brooch or similar article : en
  • IT394674B - : it
  • US2281555A - Knee action compensator : en
  • US2281876A - green : en
  • DE720403C - Extrusion press for extruding metal, in particular for sheathing cables : de en
  • GB545065A - Improved glove : en
  • DE720480C - To be used as a clamping frame, pressed from sheet metal and provided with longitudinal grooves around the box corners : de en
  • DE720573C - Textile finishing agents : de en
  • GB545061A - Improvements in spring operating mechanisms for electric switches or circuit-breakers : en
  • US2281787A - Composition for insecticidal use : en
  • US2281839A - Electric lantern : en
  • USD132328S - Design for a brooch os : en
  • GR9861B - SUBSTITUTE OF COCOA AND COFFEE. : el en
  • FR871688A - Method and device for releasing the rollers of straight-line hosiery looms : en fr
  • FR871723A - Apparatus comprising artificially cooled barrier layer electrode systems : en fr
  • US2281596A - Telegraphic transmission by space discharge control : en
  • US2281736A - Hand tool for upholstery work : en
  • USD132244S - Baby s observation stimulating device : en
  • DE720507C - Mill drying plant : de en
  • US2282268A - Electric circuit breaker : en
  • FR871744A - Universal tool hitch for two-wheel tractor : en fr
  • US2282259A - Method of and apparatus for perforating gypsum lath or the like : en
  • GB544914A - Improvements in or relating to lubricating oils : en
  • CA404479A - Potato digger : en fr
  • FR871662A - Device for removing scum from oil, in particular in the lubrication circuits of internal combustion or combustion engines : en fr
  • DE720378C - Device for resistance welding with the help of direct current for spot welding machines : de en
  • DE720489C - Acoustic device for indicating that certain maximum speeds of motor vehicles have been exceeded : de en
  • GB544928A - Improvements in or relating to the stretching of continuous filament textile materials : en
  • FR871718A - Discs for centrifuge bowls : en fr
  • DE720486C - Device for the automatic pivoting of auxiliary rudders : de en
  • DE720461C - Bucket for transporting bulk goods : de en
  • US2281620A - Receptacle discharge cap : en
  • US2281772A - klemperer : en
  • US2281632A - Jacket for drill pipe couplings : en
  • US2281645A - Voltage regulator : en
  • US2281703A - Photographic silver halide emulsions : en
  • US2281931A - X-ray apparatus : en
  • DE720546C - Free-swinging suspension for single contact lines : de en
  • US2281704A - Sheet feeding machine : en
  • US2281995A - Phase comparing system : en
  • US2282103A - Frequency modulation : en
  • US2281797A - Centrifugal liquid separator : en
  • CA404553A - Railway car coupler : en fr
  • US2282050A - Moving stairway : en
  • US2281915A - Propelling and steering device : en
  • GB545022A - Improvement in universal joints : en
  • DE720467C - Process for the production of benzanthrones : de en
  • US2282285A - Camera stand or tripod : en
  • DE720470C - Device for the automatic monitoring of the braking effect of air pressure brakes at high speeds : de en
  • CA404467A - Firearm lift compensator : en fr
  • AU115048B2 - Electric heating devices : en
  • CA404504A - Radio amplifier : en fr
  • US2281613A - Polymerizing butadiene hydrocarbons : en
  • US2282159A - Teat cup : en
  • US2282169A - Decorated fabric : en
  • US2282135A - Illuminated music rack : en
  • DE720451C - Free-flight piston machine with multi-stage compressor : de en
  • US2281805A - Method of electric welding : en
  • US2281832A - Barber chair attachment : en
  • AU117641A - Improvements in or relating to coating compositions containing polyhydric alcohol-polybasic acid resins : en
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  • CA404571A - Loop modifying knitting mechanism : en fr
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  • US2281909A - Printing stencil and method of making the same : en
  • US2282015A - Air conditioning unit : en
  • CA404548A - Sliding clasp fastener : en fr
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  • GB545062A - Improvements in electric motor control systems : en
  • US2281623A - Lubricating oil composition : en
  • US2281739A - Electrical connector : en
  • US2281687A - Relay : en
  • DE720192C - Safety device on roll film cameras : de en
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  • CA404466A - Conveyer : en fr
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  • FR871666A - Hair washing cup enhancements : en fr
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  • DE720530C - Device for printing marks : de en
  • DE720459C - Roller table with group drive : de en
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  • US2281956A - Hormone-like acting product and process of manufacturing the same : en
  • FR871682A - Safety device preventing the operation of percussion rockets in the barrel web : en fr
  • US2281989A - Production of plasma : en
  • US2281755A - Combined accelerator and brake : en
  • US2281848A - Safety appliance for electrically heated apparatus : en
  • US2282148A - Tool handle : en
  • FR871762A - Air-cooled nozzle : en fr
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  • DE720326C - Process for the production of unfired copier or colored pencil leads : de en
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  • US2282088A - Chloracrylic esters : en
  • US2282165A - Key vise : en
  • US2281634A - Production of spray metal negatives of models : en
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  • DE720499C - Current transformer with split iron core, in which the parts of the iron core are directly or indirectly pre-magnetized by the primary current and in which the excitation of the main cores is regulated by an auxiliary core that works in the saturation area and is also excited by the primary current : de en
  • DE720575C - Process for the production of active filler bodies with a curved, preferably spherical surface : de en
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  • USPP514P - Saintpatjlia plant : en
  • US2281711A - Speed governor for electric motors : en
  • GB544915A - Improvements in or relating to the treatment of hydrocarbons by pyrolysis : en
  • FR871786A - Adjustment device for machines controlled by means of a direct current operating circuit : en fr
  • GB544977A - Improvements in the valve gear of internal combustion engines : en
  • GB545039A - Improvements relating to road studs : en
  • DK59737C - Item delivery cabinet. : da en
  • DE720341C - Process for hardening protein, especially gelatin, layers : de en
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  • US2281624A - Water-soluble mothproofing agents : en
  • US2281710A - Telemetering system : en
  • US2281868A - Reel for line washing and drying : en
  • DK59743C - Spring load, especially for Motor Vehicles. : da en
  • FR871701A - Method and device for the graphiting of wax ribbons bearing a mechanical sound recording : en fr
  • US2281567A - Compositon and method of preparing same : en
  • US2281837A - Method of frosting lucite : en
  • CA404609A - Reaction vessel : en fr
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  • US2281667A - Method for treating oils : en
  • US2282108A - Time delay circuit : en
  • US2282240A - Hydraulic window regulator mechanism : en
  • US2281675A - Hydraulic speed control system for prime movers : en
  • USD132299S - Design for a mat or similar article : en
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  • US2281733A - Gravel pump : en
  • US2281902A - Chair : en
  • US2282008A - Hydraulic control mechanism : en
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  • US2281692A - Thiocyanates of phenyl ether : en
  • US2282282A - Method and apparatus for manufacturing pipe : en
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  • DE720547C - Catenary : de en
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  • GB544933A - Antenna interference eliminator for wireless receivers : en
  • AU115054B2 - Improvements relating tothe filtration or cleaning of producer gas more especially for use in internal combustion engines : en
  • US2281826A - Flow control apparatus : en
  • US2282076A - Whirling sound drum toy : en
  • US2281605A - Fluid pressure control device : en
  • US2281638A - Electron camera : en
  • USD132280S - Design for a baking dish or similar article : en
  • CA404488A - Canning apparatus : en fr
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  • GB544983A - Improvements relating to the manufacture of constructional work and the production of templates or like marking-off devices : en
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  • CA404598A - Railway signalling apparatus : en fr
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  • USRE22088E - Clutch : en
  • AU303641A - Temperature control device : en
  • US2281783A - Knife : en
  • AU118941A - Improvements in or relating to automatic telecommunication systems : en
  • CA404509A - Halftone screen : en fr
  • CA404537A - Composite structural member manufacturing apparatus : en fr
  • DE720527C - Throttle device for flow meter : de en
  • AU115056B2 - Improvements relating to variable permeability tuning : en
  • DE720391C - Device for scanning a pattern for controlling, in particular machine tools : de en
  • DE720544C - Process for the production of waxy substances : de en
  • CA404566A - Signboard panel : en fr
  • US2282045A - View finder : en
  • CA404505A - Core winding arrangement : en fr
  • CA404527A - Tire manufacture : en fr
  • US2282022A - Method for forming tire molds : en
  • USD132286S - Design for a necktie holder : en
  • CA404591A - Textile material : en fr
  • FR871758A - Additional lubrication system for cylinder heads of internal combustion engines : en fr
  • DE720455C - Dual circuit arrangement for hydraulic brakes, especially for motor vehicles : de en
  • US2281750A - Rail fastening : en
  • US2282292A - All wave radio receiving system : en
  • DE720510C - Headlights, especially for motor vehicles : de en
  • DE720471C - Method for generating two series of pulses with starting points that are phase-locked to one another : de en
  • DE720537C - Device for the continuous cleaning of air filter insert bodies for internal combustion engines : de en
  • GB544932A - Improvements in electric circuit breakers : en
  • AU115036B2 - Improvements in or relating to coating compositions : en
  • DE720410C - Photocell based on an external photoelectric effect : de en
  • US2282001A - Color-forming gelatin compound : en
  • US2282218A - Garment : en
  • DE720498C - High voltage switchgear with built-in reactances : de en
  • DE720570C - Pumping station for constant pressure regulation : de en
  • DE720448C - Push-pull shortwave tubes with two discharge systems within one piston : de en
  • DE720548C - Arrangement for forwarding the brightness voltages and the breakover voltages supplied to operate a television cathode ray tube : de en
  • US2281992A - Impression taking composition : en
  • US2281894A - Lubricating oil composition : en
  • US2282283A - Dynamoelectric machine : en
  • GB545041A - Improvements in or relating to machines for applying spots to caps of the crown type : en
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  • DK59742C - Procedure for producing absorbent and flexible cardboard and impregnated products from old paper. : da en
  • GR9860B - METHOD OF BREAKING AND PEELING OF BITTER ALMONDS AND OAKEN FOR THE PURPOSE OF EATING. : el en
  • GB545020A - Improvements in or relating to lids and/or back plates for gas and the like cookers : en
  • US2281776A - Brooder : en
  • US2281723A - Grinding wheel dresser : en
  • US2281855A - Pulverizer : en
  • US2281566A - Air vent valve : en
  • US2281556A - Automatic brake : en
  • US2281718A - Method of casting metal ingots and apparatus therefor : en
  • US2281745A - Printing telegraph error detecting system : en
  • US2282158A - Container : en
  • GB544968A - Rubber vulcanization accelerator and method of manufacture : en
  • CA404458A - Lamp fixture : en fr
  • DE720526C - Small instantaneous water heater for hot and boiling water preparation with a collecting device for water stone : de en
  • FR871699A - Milling device for air channels of casting mouth of foundry pots of composing machines : en fr
  • GB544921A - Improvements in dynamo-electric machines : en
  • US2281968A - Sulphur dyestuffs : en
  • US2282201A - Lift truck : en
  • US2281627A - Fabric spreading device for textile treating machines : en
  • GB544988A - Telegraph printer : en
  • US2282137A - Trailer loader : en
  • US2282104A - Reception of angular velocity modulated waves : en
  • US2282118A - Wheel straightener : en
  • US2281637A - Cathode ray television receiver : en
  • DE720316C - Process for the production of butadiene : de en
  • GB545052A - Improvements relating to multi-unit antenna communication systems : en
  • USD132308S - Design for a spoon or other article of flatware : en
  • AU119441A - Improvements relating to variable permeability tuning : en
  • US2281836A - Container : en
  • USD132327S - Design foe a brooch os similar, article : en
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  • US2282031A - Welding apparatus : en
  • CA404455A - Pile extractor : en fr
  • US2282187A - Process of pasteurizing liquids in containers : en
  • FR871730A - Check mark marker mechanism on stackable sheets : en fr
  • DE720496C - Process for the production of an air-space-insulated wire for low-capacitance cables : de en
  • USD132306S - Design for a truck for a traveling crane : en
  • DE720543C - Process for the production of bowls from round blanks or discs made of steel, which can be processed into hollow bodies by cold spraying : de en
  • FR871704A - Improvements to blotting pads : en fr
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  • US2282018A - Manufacture of alkali metal silicate detergents : en
  • DE720576C - Process for the production of highly porous and pressure-resistant catalyst carriers : de en
  • GB544960A - Improvements in or relating to steam superheating apparatus equipped with de-superheating means : en
  • US2281699A - Clinch nut : en
  • AU115060B2 - Improvements in or relating to circuits for amplifying electric oscillations : en
  • US2281707A - Container : en
  • FR871788A - Wheels and similar shaped articles made from thin sheets of flexible material and method of making them : en fr
  • FR871669A - Method and device for producing high pressure gas and engine powered by these gases : en fr
  • US2282086A - Folding walker : en
  • FR871747A - New alloy : en fr
  • US2281809A - Fish lure : en
  • US2282225A - Sewage stabilizer : en
  • US2282260A - Method of electroforming marking tools : en
  • CA404481A - Automatic speed regulator : en fr
  • US2281611A - Diaphragm whistle : en
  • CA404520A - Jacquard for terry looms : en fr
  • CA404495A - Manifolding device : en fr
  • US2281575A - Pinking machine : en
  • US2281769A - Leveling device for scales and other objects : en
  • US2282130A - Thermionic generator of alternating current : en
  • CA404501A - Friction bolster spring : en fr
  • DE720503C - Concave : de en
  • FR871703A - Sealed seal for ball and roller bearings : en fr
  • FR871706A - Process for the production of iron or its alloys by reduction of iron ores in rotary tube furnaces operating discontinuously : en fr
  • GB544989A - Improvements in gas blast electric circuit breakers : en
  • US2281598A - Solvent and fuel containing same : en
  • US2282290A - Anthelmintic tablet : en
  • AU337341A - Improvements in limit gauges ofthe caliper type : en
  • CA404569A - Station selection by printer selectors : en fr
  • GB545008A - Improvements in and relating to latches : en
  • CA404554A - Railway car coupler : en fr
  • DE720397C - Steering device for Fahrzxeuge, especially electric carts with a fixed driver's cab : de en
  • US2281589A - Moistureproof wrapping material : en
  • US2282160A - Bag feeding apparatus : en
  • US2282199A - Bag filling and closing apparatus : en
  • CA404590A - Timing mechanism : en fr
  • US2282096A - Grinder : en
  • US2282141A - Flush tank : en
  • DE720428C - Device for lifting and lowering the protective flap in conveyor vessels : de en
  • AU115049B2 - Temperature control device : en
  • USD132279S - Design for a range surface heating unit : en
  • USD132322S - Design for a brooch or similar article : en
  • US2281597A - Lubricant and method of lubricating : en
  • US2281888A - Apparatus for controlling heating systems and the like : en
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  • US2281590A - Meat treatment : en
  • US2282093A - Locomotive valve and valve gear : en
  • US2282149A - Implement retainer : en
  • FR871664A - Airtight closure for windows on board airplanes, in particular in the overpressure cabins of altitude airplanes : en fr
  • FR871778A - Profiled and articulated gasifier trunk : en fr
  • CA404567A - Vaporizer : en fr
  • CA404460A - Tobacco pipe : en fr
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  • US2282179A - Action toy : en
  • USD132254S - Design for a plaqtje ob similar article : en
  • USD132319S - Fig. i. c. h. taylor suction cleaner or the like : en
  • US2281775A - Telegraph printer : en
  • US2282184A - Manufacture of hydrogen peroxide : en
  • US2281831A - Fishing bob : en
  • US2281874A - Air conditioning and circulating apparatus : en
  • US2281985A - Egg fork and opener : en
  • US2281804A - Isomerization of olefins : en
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  • US2282124A - Production of iron from iron oxide : en
  • CA404607A - Rivet guiding means : en fr
  • US2281892A - Method of producing oxidation inhibitors : en
  • US2282013A - Air conditioning system : en
  • US2281921A - Tumble change gear mechanism : en
  • US2281896A - Marking machine : en
  • DE720561C - Device for fixing a graduation disc that can be freely rotated with its hub on an adjusting spindle : de en
  • US2281639A - Flixi-bar rotor-type lawn mower : en
  • US2281954A - Device for synchronizing the speed of rotation of rotating bodies : en
  • US2281970A - Infolding of vest pocket welts and the like : en
  • FR871767A - Wood gasifier for motor vehicles and other applications : en fr
  • DE720370C - Device for reversing piston engines, especially for locomotives : de en
  • FR871655A - Typewriter table : en fr
  • GB544942A - Improvements in decalcomania papers : en
  • CA404572A - Radio shielding spark plug connection : en fr
  • US2281606A - Stocking of the strain absorber type : en
  • US2282068A - Calibrating means for a radio receiver : en
  • USD132264S - Design for a vase : en
  • US2281843A - Metal film resistor : en
  • US2282058A - Electrolytic cell : en
  • US2282210A - Air conditioning system : en
  • USD132261S - Grab bar or similar article : en
  • US2282228A - Circuit interrupter : en
  • USD132303S - Design for a truck for a traveung crane : en
  • DE720453C - Retractable landing gear for aircraft : de en
  • US2281802A - Apparatus for straightening the edge of a dough sheet preparatory to coiling : en
  • AU317641A - Improvements in or relating to compositions containing resin : en
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  • US2281670A - Gas meter : en
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  • DE720436C - Synchronization method for television broadcasts with picture change and line pulses of the same polarity and essentially the same amplitude and duration : de en
  • US2281578A - Multiple plug bait : en
  • US2282276A - Water cooling device : en
  • CA404538A - Vapour phase operation : en fr
  • GR9856B - METHOD AND DEVICE FOR MEASURING THE SPEED OF THE OWN SHIPPING. : el en
  • US2282047A - Feed regulating mechanism : en
  • US2282081A - Piston : en
  • US2282209A - Time interval indicating device : en
  • DE720585C - DC motor of the Metadyn design type fed with current of constant strength for driving elevators, hoists or the like. : de en
  • CA404492A - Container closure : en fr
  • US2281731A - End former for concrete pipe : en
  • US2281913A - Power transmission means : en
  • US2281785A - Insecticidal composition : en
  • US2282080A - Shirt collar support : en
  • GB545046A - Improvements in or relating to variable ratio transmission mechanism : en
  • GB545184A - Improved method of heat exchange and apparatus for this purpose : en
  • FR871711A - Flywheel for bicycle : en fr
  • CA404472A - Fruit pitter : en fr
  • CA404474A - Fishing reel : en fr
  • DE720393C - Device for adjusting the height of the burner in stationary flame cutting machines : de en
  • DE720586C - Arrangement of the fan blades on the ring gear of the electrical machine of a water turbine unit : de en
  • GB544973A - Improvements in and relating to machines for making wired box parts : en
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  • SE104424C1 - Procedures for the production of ethyl alcohol by fermentation of sugary liquids, e.g. sulfite waste disposal. : en sv
  • US2282017A - Resinous plasticizer : en
  • US2282281A - Lamp socket : en
  • USD132282S - Design fob a cuspidor stand : en
  • US2281941A - Wax modifying agent : en
  • GB545013A - Improvements in or relating to pumping units : en
  • US2281944A - Processing apparatus : en
  • US2282279A - Limiter lug : en
  • US2281560A - Drying of smokeless powder : en
  • US2281656A - Educational toy : en
  • CA404512A - Titanium pigment : en fr
  • US2281998A - Time recorder : en
  • US2282251A - Precast reinforced foundation for signal masts : en
  • US2282034A - Dispensing container : en
  • US2282133A - Supporting attachment for ladders : en
  • DE720574C - Method for consolidating the pile in light cotton velvet fabrics : de en
  • DE720524C - Device for displaying the electrical axis of the heart in the form of a resulting vector : de en
  • CA404516A - Chenille curling device : en fr
  • DE720477C - Multipole protection arrangement for devices or lines, consisting of several individual single-pole circuit breakers : de en
  • US2281897A - Solvent treating process : en
  • US2282198A - Photoelectric differential analyzer : en
  • US2281770A - Defrosting system : en
  • US2281697A - Lubricated plug valve : en
  • FR871745A - Products intended for the control of late blight and process for preparing these products : en fr
  • FR871740A - Process for making lined blocks or ingots by casting the base metal into a shell, and shell for applying this process : en fr
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  • US2281600A - Dilator : en
  • US2282152A - Double action shower mixing valve : en
  • USD132302S - Design fob a truck fob a traveling crane : en
  • US2281676A - Turbine oil : en
  • DE720366C - Sight attachment for firearms with flat projectile trajectory : de en
  • US2282102A - Signaling : en
  • CA404496A - Engine starting mechanism : en fr
  • CA404603A - Rubber article manufacture : en fr
  • USD132257S - Grab bar or similar article : en
  • US2282233A - Fishing rod : en
  • US2281608A - Viewing device for cooking ranges : en
  • US2281607A - Multiple photography : en
  • DE720416C - Charcoal lighter with electrical resistance heater : de en
  • US2281625A - Method of coloring fruits and vegetables : en
  • US2282146A - Draft gear mechanism for railway vehicles : en
  • US2281908A - Box : en
  • US2281965A - Receiving roll adjusting means for web winding machines : en
  • US2281712A - Force measuring device : en
  • US2282036A - Cigarette case : en
  • US2282139A - Process for production of coffee extract : en
  • US2282048A - Headstock for machine tools : en
  • US2282056A - Toy : en
  • DE720327C - Paints : de en
  • FR871686A - Heating plate for gas cookers : en fr
  • GB544958A - Improvements in containers for electric incandescent lamps and like articles : en
  • US2282177A - Plywood : en
  • USD132305S - Design for a truck for a traveling crane : en
  • US2281893A - Television scanning apparatus : en
  • US2281919A - Cracking oil using synthetic catalytic compositions : en
  • US2281767A - Pump : en
  • US2281585A - Supercharging : en
  • US2281999A - Garment fastener : en
  • US2282119A - Film reel : en
  • US2281640A - Preselector : en
  • US2281887A - Wrapping machine : en
  • US2281778A - Piezoelectric crystal apparatus : en
  • USD132298S - Design for a pad holder : en
  • US2281582A - Manufacture of essence containing packages for brewing beverages : en
  • US2281698A - Apparatus for precasting concrete stair structures : en
  • CA404477A - Weft cutting device : en fr
  • DE720402C - Quick coupling for stacking troughs for briquette conveyance : de en
  • FR871794A - Improvements to reservoir pen holders : en fr
  • DE720382C - Process and device for the production of thick-walled centrifugal castings : de en
  • DE720519C - Electric radiant heater : de en
  • FR871678A - Method and device for insulating electrical conductors : en fr
  • US2282132A - Electrical timing mechanism : en
  • US2281906A - Adiabatic fractionating column : en
  • DE720429C - Rotatable quick release for high bunker : de en
  • GB544971A - Improved means for loading heaped materials : en