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  • US2153105A - Device for laboratorical measuring of liquids : en
  • US2153123A - Sway divider for vertical filing receptacles : en
  • US2153434A - Rectifier : en
  • US2153523A - Wind operated electric generator : en
  • CA380503A - Box for chicks : en fr
  • DE674113C - Guide for the crosshead of a forging press driven by hydraulic fluid : de en
  • FR839490A - Improvements to control systems for airship vehicles : en fr
  • US2152987A - Gaseous electric discharge lamp device : en
  • US2152782A - Circuit breaker control system : en
  • US2153034A - Cementing device for well casings : en
  • US2152861A - Blade construction for aircraft sustaining rotors : en
  • US2153365A - Manufacture of containers : en
  • USD114119S - Design for an exhaust extension : en
  • USD114154S - Design fob a lace tablecloth : en
  • US2152891A - Pipe support : en
  • US2153052A - Radio broadcasting system : en
  • DE674029C - Freewheel ratchet : de en
  • US2152756A - Portable vacuum cleaner : en
  • CA380511A - Bottle, etc. : en fr
  • CA380520A - Inductor dynamo electric machine : en fr
  • US2152742A - Oxygen derivatives of cativic acid and methods of preparing them : en
  • US2153314A - Full-fashioned knitting machine : en
  • USD114093S - Design for a sadiron : en
  • US2152815A - Shaving implement : en
  • US2153348A - Tie : en
  • US2152767A - Spray gun : en
  • US2152890A - Process for the production of chlorinated unsaturated petroleum hydrocarbons : en
  • US2153266A - Retractable hydrostabilizer for airplanes : en
  • US2153525A - Method of applying coatings to rubber, balata, and like articles, and articles produced thereby : en
  • US2153221A - Adapter for miniature lantern slides : en
  • US2153341A - Brake lining : en
  • USD114110S - Design for a desk lamp : en
  • FR839391A - Gasifier system : en fr
  • FR839592A - Mechanical system for automatic tuning of wireless telephony devices : en fr
  • GB503366A - Improvements in wind direction indicators for airports : en
  • USD114087S - Design for a trigger guard bumper : en
  • US2153050A - Stocking drying form : en
  • US2153416A - Treatment of animal and vegetable fibers : en
  • FR839631A - Improvements to machines for extrusion or press spinning : en fr
  • FR839683A - Telegraph receiver : en fr
  • US2152982A - Harness motion for looms : en
  • US2153039A - Sealing machine : en
  • GB503421A - Dispensing frozen foodstuffs : en
  • US2153076A - Hydraulic brake : en
  • FR839634A - Draft or pressure regulator : en fr
  • FR839547A - Process for grinding certain materials : en fr
  • DE674030C - Process for regulating the evaporator capacity of refrigerators : de en
  • DK55998C - Carrier systems. : da en
  • FR839471A - Improvements to image formation : en fr
  • FR839556A - Improvements to electrotherapy devices : en fr
  • US2153409A - Machine for making golf balls : en
  • GB503297A - An egg substitute and process of making same : en
  • CA380484A - Lathe tool feeding device : en fr
  • DE674018C - Coal grinder with pre-shredder and flail grinder : de en
  • GB503274A - Means for removing and replacing pneumatic tyres of vehicle wheels : en
  • GB503324A - Improvements in pistols, guns, or the like for firing and projecting rockets, or projectiles for use in throwing lines : en
  • AU313738A - Improvements relating to telephone systems : en
  • US2153128A - Selective signaling system : en
  • US2152828A - Rubberlike products and preparation thereof : en
  • US2153182A - Record controlled machine : en
  • US2152918A - Magneto-electric machine : en
  • US2153165A - Photometer : en
  • USD114111S - Design for a combined towel bar : en
  • US2153462A - Switch-actuating mechanism : en
  • DE673898C - Steam boiler for coal dust : de en
  • GB503335A - Improvements relating to dry surface contact rectifiers and the like : en
  • US2152873A - Fluid lift pump : en
  • US2153184A - Manufacture of hollow articles of rubber : en
  • US2153179A - Oscillator circuit : en
  • US2153459A - Yarn control means for circular : en
  • USD114117S - Design fob an electrical control : en
  • FR839656A - Pre-ignition chamber diesel engine : en fr
  • US2152722A - Process of separating mercaptans contained in a hydrocarbon liquid : en
  • US2153177A - Brush frame construction : en
  • US2152860A - Motor-equipped snow plow : en
  • FR839697A - Tennis racket training : en fr
  • GB503417A - Improvements in or relating to electromagnetic indicators : en
  • GB503447A - Improvements relating to spring closing devices and check mechanism for doors : en
  • US2153191A - Sorting machine : en
  • US2152812A - Method of making float valve and heat interchange mechanisms : en
  • US2153029A - Valve for vehicle brakes : en
  • US2153173A - Method of making brake drums : en
  • US2153106A - Stove : en
  • US2152836A - Lamp for the headlights of vehicles : en
  • USD114142S - Bracket support therefor : en
  • US2153439A - Garment hanger : en
  • GB503371A - Improvements in windows for folding hoods : en
  • FR839571A - Cycle frame transformable into tandem frame : en fr
  • DE674168C - Hollow float for fishing nets : de en
  • DE674051C - Ionization chamber for measuring extensive fields : de en
  • DE673998C - Switching device for the needle holder on flat weft knitting machines : de en
  • DE674044C - Chiller : de en
  • FR839573A - Centrifugal force regulator for the air brake change device on modern vehicles : en fr
  • FR839629A - Advanced liquid level : en fr
  • CA380579A - Fuse switch : en fr
  • GB503360A - Improvements in weather strips for casement windows : en
  • FR839510A - Thread rolling machine with two rotating cylinders : en fr
  • DE674032C - Electric table lamp with box-shaped base and concealed switch : de en
  • GB503259A - Improvements in and relating to cigarette collecting mechanism for continuous rod cigarette making machines : en
  • US2153046A - Apparatus for treating yarn : en
  • FR839383A - Suspension system for motor vehicles : en fr
  • FR839552A - Receiver with suppressor : en fr
  • FR839619A - Improvements to check valves or flap valves : en fr
  • DE674081C - Charging device on the room connection with a loading arm that can be swiveled out of the closed position : de en
  • DE674137C - Throttle device for the flue gases in large space heaters : de en
  • FR839533A - Exit device for continuous tank ovens, for baking and broiling : en fr
  • DE674087C - Label presser for bottle labeling machines : de en
  • GB503181A - Improvements in or relating to means for clamping girders and the like together : en
  • CA380542A - Switch control device : en fr
  • USD114129S - Design for a body for stringed : en
  • DE674092C - Two-stroke diesel engine : de en
  • AU281738A - Improvements in or relating to noise suppression means for wireless receiving circuits with automatic volume control : en
  • DK56006C - Preservative for Wood and other Fibers. : da en
  • US2152688A - Etching machine : en
  • CA380521A - Intake muffler : en fr
  • DE674080C - Pedal lever drive for bicycles : de en
  • US2152627A - Method of treating gelatin : en
  • DE674196C - Edge adjustment device for typewriters : de en
  • US2153370A - Apparatus for sealing electric lamps and similar articles : en
  • US2152830A - Tube for short waves : en
  • FR839529A - Condensation products containing nitrogen : en fr
  • GB503279A - Improvements in or relating to method of making hermetical seams in heat fusible materials : en
  • CA380474A - Game apparatus : en fr
  • USD114074S - Design for a plate or similar article : en
  • US2152883A - Tire : en
  • US2152910A - Brassiere : en
  • DE674010C - Plow with rotating mouldboards : de en
  • US2152822A - Relaxation oscillation for interlaced scanning : en
  • US2153355A - Mechanism for applying labels : en
  • US2153208A - Record controlled machine : en
  • AU107012B2 - Improvements in or relating to noise suppression means for wireless receiving circuits with automatic volume control : en
  • DE674091C - Tilting device for drum smelters rotating around their longitudinal axis : de en
  • DE674138C - Process for the production of magnesium by fused-salt electrolysis of magnesium chloride : de en
  • US2152945A - Toy : en
  • US2152697A - Scouring and cleaning implement : en
  • US2153027A - Subdued melody phonograph and accompaniment record : en
  • GB503526A - Improvements in circuit arrangements for electric heating apparatus : en
  • GB503501A - Improvements relating to discriminator networks for radio receivers employing automatic fine tuning : en
  • DE674006C - Boiling water heater : de en
  • FR839412A - Dental brush with toothpaste dispensing : en fr
  • GB503385A - Apparatus for curling hair : en
  • GR8099B - TABLE ROLLER. : el en
  • DE674181C - Bacon slicer : de en
  • GB503469A - Improvements in radio-receiving apparatus : en
  • FR839526A - Apparatus for transforming pressure variations into variations in electrical quantities : en fr
  • FR839566A - Grid diaphragm for photocells : en fr
  • GB503483A - Improvements in or relating to apparatus for electrolytically decomposing liquids : en
  • DE674020C - Device for adjusting the blade pitch angle of a propeller : de en
  • US2152725A - Marking : en
  • DE673957C - Vacuum tubes for amplification, rectification and generation of vibrations : de en
  • USD114126S - Design for a spoon or other article : en
  • US2153044A - Earcap for telephone receivers : en
  • FR839450A - Translation device for telegraph receivers : en fr
  • FR839622A - Installation of a charge blower driven by means of a regulating coupling for internal combustion engines : en fr
  • GB503237A - Improvements in or relating to the handlebars of cycles : en
  • US2152759A - Multiple grid harmonic generator : en
  • DK56005C - Saw roof-shaped roof construction with grate-shaped beam layer. : da en
  • FR839672A - Improvements in the manufacture of anti-explosive hydrocarbon fuels for engines : en fr
  • GB503245A - Improvements in and relating to the condensation of magnesium vapours : en
  • US2152629A - Brassiere : en
  • US2153036A - Polyphase luminous tube and circuit : en
  • US2153290A - Garden hose holder : en
  • GB503465A - Improvements in breech-closing plugs for guns : en
  • FR839409A - Improvement in removable wheels : en fr
  • FR839559A - Indexing device for artillery pieces : en fr
  • US2152847A - Thumbtack package : en
  • GB503358A - Improvements in and relating to the wrapping of chocolates and the like : en
  • DE674158C - Urinary catcher closure : de en
  • US2153520A - Centralized traffic controlling system for railroads : en
  • US2152762A - Straight lift pumping apparatus : en
  • US2153084A - Ratchet mechanism : en
  • USD114073S - Design fob a plate or similar article : en
  • GB503394A - Improvements in and relating to hoisting apparatus : en
  • FR839366A - Improvements in the manufacture of concrete articles : en fr
  • US2152843A - Control apparatus : en
  • FR839568A - Process for the preparation of compounds having the structure of lutein : en fr
  • FR839692A - Improvements in gear changes for cycles and the like, of the so-called derailleur type : en fr
  • US2152743A - Cativic acid and methods of preparing it : en
  • US2152932A - Differential change speed transmission : en
  • CA380551A - Advertising device : en fr
  • US2153121A - Lubricating composition : en
  • US2153297A - Thermostatic control : en
  • US2153429A - Adjustment of speed-load characteristics of mill motors : en
  • CA380491A - Aeroplane landing device : en fr
  • CA380544A - Switch and computer control for fluid pumps : en fr
  • DE674120C - Process for the production of a wet-strength and at the same time highly absorbent paper stock, especially for towels : de en
  • GB503369A - Process and apparatus for the manufacture of foliated glass and product produced thereby : en
  • FR839603A - Electric discharge tube containing metal vapor under high pressure : en fr
  • GB503146A - Improvements in or relating to electron discharge apparatus : en
  • GB503474A - Electric kitchen stove or oven : en
  • GB503331A - Improvements in sources of light for optical projection apparatus : en
  • US2153292A - Antenna : en
  • US2153272A - Abrading liner : en
  • DE674112C - Cutter head with cutting knives evenly distributed around the circumference : de en
  • GB503403A - Improvements in or relating to the preparation of pectin : en
  • DE673987C - High frequency receiver with dynamic control : de en
  • DE674174C - Press with auxiliary supports : de en
  • US2152728A - Toy building : en
  • US2153132A - Focusing arrangement for cameras : en
  • CA380523A - Haze-free cellulose acetate : en fr
  • CA380568A - Weaner : en fr
  • GB503285A - Improved means for supplying pitch to burners : en
  • DE674141C - Air-compressing injection internal combustion engine with self-ignition, in which an air reservoir and an injection nozzle open opposite one another into a combustion chamber of approximately heart-shaped cross-section : de en
  • US2153035A - Method of producing slips for oil well tools : en
  • USD114132S - Design fob a combined display shelf : en
  • US2152865A - Welding shield or helmet : en
  • US2153149A - Lantern slide : en
  • FR839465A - Improvements to reproducing machines : en fr
  • US2152845A - Sign : en
  • US2153014A - Building construction : en
  • CA380522A - Hard sintered alloy : en fr
  • US2153377A - Direct current measurement means : en
  • US2153062A - Apparatus for refining oil : en
  • DE674163C - Heavy duty luffing crane : de en
  • DE674069C - Device for utilizing the centrifugal force for the lubrication of the running surface of gear wheels of gear change transmissions with permanent engagement of the gear wheels : de en
  • US2153211A - Composite printing of motion picture : en
  • DE674173C - Friction clutch : de en
  • FR839489A - Manufacturing process of refractory bricks or blocks containing carbon : en fr
  • CA380483A - Lathe : en fr
  • AU111684B2 - Improvements in amplifying and frequency-changing circuits : en
  • FR839630A - Packaging for hollow bodies or other similar applications : en fr
  • US2152999A - Gaseous electric discharge lamp device : en
  • US2153136A - Yarn conditioning processes and compositions therefor : en
  • USD114066S - Design for a game board : en
  • DE674127C - Diaphragm for electrolytic pressure decomposer : de en
  • GB503355A - Improvements relating to metallic fittings, more particularly for window slides : en
  • US2152687A - Ore roasting furnace : en
  • GB503310A - Improvements in or relating to pump units comprising a centrifugal pump and an air-withdrawing or priming pump : en
  • AU158038A - Wire-tensioning device anda process for tensioning wires : en
  • USD114061S - Design for a game device : en
  • AU107049B2 - Improvements in or relating to the manufacture of electric fuzeheads such as are used, for example, in blasting detonators : en
  • FR839659A - Improvements to cutters and similar machines or to combined machines for cutting and loading : en fr
  • GB503266A - Improvements in and relating to the measurement of altitudes of flight : en
  • US2152729A - Universal tool sharpening and work holder : en
  • US2152651A - Hydraulic rotor operated butterfly valve : en
  • GB503316A - Treatment of motor fuels : en
  • US2152835A - Aircraft : en
  • US2153286A - Process for preparing wetting : en
  • CA380470A - Conductor clamp : en fr
  • FR839578A - Paper containers : en fr
  • DK55999C - Sensor that is sensitive to wattless electrical currents. : da en
  • GB503452A - Device for testing the distribution of steam or gas in steam engines or motors : en
  • US2153530A - Device for jacking up of motor vehicles or other power propelled contrivances : en
  • US2153127A - Ladder : en
  • GB503206A - Process for producing lubricating oils : en
  • GB503246A - Improvements in or relating to children's or scholars' wallets : en
  • FR839539A - Improvements in processes and machines for ginning cotton : en fr
  • FR839605A - Measuring device particularly suitable for insulation tests : en fr
  • US2152922A - Zonal hemorrhage-checking compression plate : en
  • US2153059A - Chromable dyestuffs of the triarylmethane series and process of preparing them : en
  • US2152746A - Door construction for shower bath cabinets : en
  • AU356138A - Sublimation apparatus : en
  • SE95302C1 - : sv
  • US2153164A - Building : en
  • GB503424A - Improvements in or relating to the treatment of textile materials, and to new compositions for use therein : en
  • US2153446A - Machine for leveling land and forming borders : en
  • FR839398A - Directive networks and systems using such networks : en fr
  • GB503247A - Improvements in the manufacture and production of hydrocarbons or their derivatives from carbon monoxide and hydrogen : en
  • US2152973A - Smoke-controlled sprinkler : en
  • DE674118C - Staggered set of pages, especially for recording generations of ancestors : de en
  • GB503221A - Improvements in or relating to electron discharge tubes : en
  • FR839381A - Device for connecting a vulcanizing apparatus for rubber articles to an extruder : en fr
  • FR839606A - Gas mask : en fr
  • FR839666A - Process for the treatment of fibrous materials of animal, vegetable and mineral origin : en fr
  • GB503260A - Improvements relating to bedstead or berth fittings : en
  • GB503357A - Improvements relating to electrical connections : en
  • US2153144A - Method of forming labels : en
  • US2152765A - Tire retreading apparatus : en
  • US2153122A - Container construction : en
  • US2153309A - Vehicle coupling : en
  • US2153243A - Vibratory screen : en
  • FR839680A - Bending endurance testing machine : en fr
  • GB503301A - Improvements in type tying-up devices : en
  • GB503396A - Table game apparatus : en
  • GB503208A - Improvements in or relating to the assembling together of shoe parts : en
  • FR839602A - Water-soluble azo dyes and method of preparing these dyes : en fr
  • FR839681A - Photo-electric camera for reproducing sound films : en fr
  • FR839534A - Improvements in apparatus for manufacturing metal tubes and other tubular metal articles : en fr
  • GB503160A - Improvements in or relating to spring winding machines : en
  • GB503322A - Improvements in or relating to the manufacture of di-electric materials : en
  • US2153118A - Tensioning device for drafting machines : en
  • US2153186A - Scanning machine : en
  • FR839440A - Sander : en fr
  • GB503210A - Improvements in or relating to etching : en
  • GB503502A - Improvements in or relating to cathode ray tubes : en
  • DE674149C - Process for the production of formamide : de en
  • FR839405A - Method and machine for placing caps on bottles and other containers and for similar operations : en fr
  • US2152948A - Devon made of soft material : en
  • US2153443A - Lubricating device for cut-off knives : en
  • USD114116S - Design for a battery plate assembly : en
  • US2152632A - Feed mechanism : en
  • US2152691A - Refrigerating apparatus : en
  • US2152770A - Drying method and apparatus : en
  • GB503277A - Improvements in articles of furniture such as bed-chairs and bed-settees : en
  • GB503231A - Method of and means for separating bodies having different specific gravities : en
  • US2152950A - Carburetor : en
  • US2153502A - Apparatus for bench grinding long blades : en
  • US2152695A - Control mechanism : en
  • US2152758A - Sorting machine : en
  • US2152959A - Projection device : en
  • USD114071S - Design for an ashtray : en
  • US2153206A - Latch : en
  • US2152863A - Sand, water, and oil segregator : en
  • US2152926A - Cribbing : en
  • US2153267A - Air conditioning apparatus : en
  • IS113B6 - Method for processing fish oil and meal from fish products : en is
  • US2152858A - Typewriting machine : en
  • GB503256A - Process for the separation of ammonia and sulphuretted hydrogen : en
  • FR839676A - Electron tube oscillation generators : en fr
  • GB503283A - Spindle bearing for spinning and doubling machines : en
  • DE674031C - Circuit for sub-exchanges with dialer operation : de en
  • FR839532A - Sole process for shoes and resulting industrial product : en fr
  • US2153223A - Cathode ray tube : en
  • USD114065S - Design fob a chair : en
  • USD114165S - Design for a tablecloth or similar : en
  • US2152975A - Hose coupling : en
  • US2153350A - Auxiliary air intake for internal combustion engines : en
  • USD114069S - Design fob a savings bank or : en
  • US2152807A - Arrangement for light intensity control : en
  • US2153198A - Range and view finder system for cameras : en
  • GB503425A - Improvements in electric distant control systems for repeating angular movements : en
  • GB503445A - Wibration or oscillation dampers for overhead electric conductors : en
  • GB503463A - Improvements in valve operating mechanism : en
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  • US2153398A - Electric lamp : en
  • DE674117C - Process for making cheese : de en
  • FR839618A - Automobile car with artificial body : en fr
  • GR8103B - STARTING SYSTEM OF INTERNAL COMBUSTION ENGINES. : el en
  • DE674155C - Fastening device for installation devices in flush-mounted or similar boxes : de en
  • FR839696A - Automatic silk thread spinning device with constant number of cocoons : en fr
  • US2152681A - Screw connection : en
  • US2153325A - Printing machine : en
  • US2153366A - Lamp socket : en
  • DE674060C - Conveyor carriage sliding device in connection with an oscillating platform : de en
  • FR839442A - Method and apparatus for fluff dyeing natural or artificial textile fibers : en fr
  • DE674071C - Device for measuring the feed path of work spindles mounted in a feed sleeve on machine tools, in particular drilling spindles on coordinate drilling machines : de en
  • US2153346A - Display apparatus : en
  • US2153467A - Process of recovering precious metals : en
  • DE674097C - Rolling bearings for the journals of the rolls of rolling mills : de en
  • GB503162A - Device for measuring characteristics of electric transmission apparatus : en
  • CA380480A - Automatic speed gear : en fr
  • USD114108S - Design for an illuminating floor : en
  • US2152878A - Typewriting machine : en
  • US2152785A - Automatic welding control : en
  • US2153464A - Supporting plate for chill molds : en
  • CA380574A - Selective magazine pencil : en fr
  • FR839351A - Method and apparatus for photographically composing original characters in fully justified lines : en fr
  • US2153256A - Electric baking iron : en
  • US2153423A - Hosiery : en
  • GB503372A - Improved grate bar and grate carriage : en
  • FR839476A - AC motor with taps for low voltage lamps : en fr
  • GB503242A - Improvements in appliances for scoring games : en
  • GB503599A - Improvements in or relating to fuels for internal combustion engines and to means for improving the combustion of such fuels in use : en
  • US2153258A - Combined tie rack and drawer : en
  • US2153406A - Process for the preparation of methacrylic acid : en
  • US2153451A - Plowshare structure : en
  • GB503294A - Improvements in the process of, and apparatus for, the production of hydrogen peroxide : en
  • FR839677A - Improvements in the manufacturing process of electrical transmission cables : en fr
  • FR839501A - Improvements made to compressor engines supplied by means of a radiator system, in particular to engines of this type for aerodynes : en fr
  • FR839679A - Improvements to drive linkages of engaged wheels or gears, such as those of a traction motor and its controlled axle : en fr
  • USD114138S - Design for a clip pin : en
  • DE674065C - Device for generating a pressure medium for starting a multi-stage internal combustion engine, the low pressure level of which is acted upon when it is started : de en
  • FR839558A - Metal wire dental prosthesis hook : en fr
  • AU124038A - Improved animal trap usable for birds and fish : en
  • USD114055S - Design for a clip : en
  • GB503361A - Brake control mechanism : en
  • USD114139S - Design for a necklace : en
  • CA380519A - Circuit breaker : en fr
  • GB503670A - Process of treating textiles : en
  • FR839474A - Method and apparatus for the distillation and continuous rectification of liquids : en fr
  • FR839649A - Water insoluble azo dyes and method for producing these dyes in substance or on the fiber : en fr
  • GB503428A - Improvements relating to phase displacing systems for oscillatory directional radio transmitters, receivers or the like : en
  • GB503520A - Improvements in or relating to cathode ray tubes operated with high tension : en
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  • DE674153C - Gland packing consisting of several layers for electrical cable bushings : de en
  • US2153312A - Process for the preparation of isodibenzanthrone : en
  • US2153491A - Lock unit : en
  • GB503166A - Laminated wooden plate for structural parts of any kind : en
  • FR839536A - Process for obtaining printing and breeding pastes and coloring preparations therefor : en fr
  • FR839468A - Improvements in gyroscopic instruments : en fr
  • FR839503A - Rail track for high speed rail vehicles : en fr
  • FR839617A - Device for laying metal lath : en fr
  • GB503293A - Improvements relating to fluid-pressure gauges or indicators : en
  • US2152788A - Soap product and the manufacture thereof : en
  • FR839466A - Coffee maker : en fr
  • IE15386L - Tar and bitumen compositions : en
  • US2153074A - Ceiling for car roofs : en
  • US2153447A - Radio receiver : en
  • AU111626B2 - Improvements in cathode ray or Braun tubes : en
  • AU447538A - Improvements in or relating to apparatus comprising rotating screw propellers, such as fans, pumps, compressors andthe like : en
  • CA380582A - Wrapping tissue : en fr
  • US2153154A - Apparatus for photographically recording documents : en
  • US2153196A - Spring unit : en
  • US2153147A - Vehicle ventilating and signal unit : en
  • US2153103A - Copy holder : en
  • USD114155S - Design for a dress ensemble : en
  • FR839528A - Pitch burner : en fr
  • GB503271A - A process for preparing new derivatives of amino-benzene sulphamides : en
  • GB503152A - Improvements in and relating to typographical composing machines : en
  • DE674070C - Clamping device for the tool-carrying arm rotatable around the housing or the column of a machine tool, in particular a radial drilling machine : de en
  • CA380524A - Cellulose ester hydrolysis : en fr
  • US2153201A - Fast polyazo dyes : en
  • USD114156S - Design for a dress : en
  • GB503400A - Manufacture of n-substituted amino phenols : en
  • US2152903A - Radio receiver combined with coin collector boxes : en
  • US2153528A - Broad band transmission system : en
  • DE674109C - Basic optical rangefinder : de en
  • CA380560A - Fluid control system : en fr
  • US2152862A - Container for dispensing materials : en
  • US2153058A - Chassis frame for house trailers : en
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  • FR839648A - Liquid fuel burner : en fr
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  • US2153284A - Engine valve : en
  • US2152920A - Harvester attachment : en
  • US2153415A - Universal joint : en
  • US2152700A - Heavy duty scraper : en
  • US2153473A - Door structure for silos : en
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  • USD114157S - Design for a dress ensemble : en
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  • US2153342A - Pattern control mechanism : en
  • US2153112A - Clinker cooler : en
  • CA380469A - Stair carpet fastener : en fr
  • GB503755A - Improvements in the manufacture and production of resinous condensation products : en
  • US2153288A - Waterproofing construction for walls : en
  • CA380554A - Selective demand meter : en fr
  • DE674116C - Process for the preparation of a cheese-like diet : de en
  • FR839460A - Improvements to matchboxes or boxes : en fr
  • GB503211A - Improvements in or relating to secondary electron multipliers : en
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  • FR839386A - Grease and process for making it : en fr
  • FR839493A - Device for measuring current in the short-wave domain : en fr
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  • US2153246A - Adjustable choke for shotguns : en
  • FR839480A - Improvements to statistical machines : en fr
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  • US2153061A - Fluid meter construction : en
  • AU123438A - Improvements in and relating to crushing, grinding and amalgamating mills : en
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  • DE674136C - Mold for continuous casting of dense blocks : de en
  • DE674205C - Switching device for electrical lights attached to a ceiling pendulum or electrical apparatus suspended in the same way : de en
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  • FR839475A - Mounting device, in particular for devices carrying low currents, intended to compensate for variations in the outside temperature : en fr
  • GB503438A - Machine for vulcanising belting or the like : en
  • FR839376A - Process for preparing dyes for vats and resulting products : en fr
  • FR839593A - Device preventing bovids from damaging trees : en fr
  • US2153432A - Lighter : en
  • DE674086C - Machine for packing rod-shaped bodies, e.g. Pencils, candy canes, cigarettes, etc. : de en
  • GB503759A - Improvements in or relating to magneto generators : en
  • US2152757A - Wheel assembly : en
  • US2152968A - Cushion for bathtubs : en
  • US2153148A - Fastening means : en
  • US2153250A - Fishing reel : en
  • USD114082S - Design tor a plate or similar : en
  • FR839513A - Process for dyeing high molecular weight nitrogen compounds and dyed materials thus obtained : en fr
  • GB503249A - An improvement in or relating to textile scribbling or carding machines : en
  • GB503750A - Process of treating textiles : en
  • US2152726A - Universal panoramic telescope : en
  • US2153232A - Door stop : en
  • USD114063S - Design for a restaurant counter : en
  • USD114094S - Design for a wringer : en
  • US2153114A - Apparatus for showing the nature of combustion in internal combustion engines : en
  • US2153289A - Branding iron : en
  • US2152749A - Extension device : en
  • US2152929A - Controller for mine locomotives : en
  • DK56003C - Detachable Walking Bandage For Use When Treating Bone Fractures. : da en
  • GB503495A - Improvements in and relating to electric heating units : en
  • FR839455A - Assembly comprising a gas-filled electric discharge tube : en fr
  • US2153012A - New anthraquinone dyestuffs : en
  • USD114056S - Design for a chair : en
  • AU107030B2 - A golf bag support : en
  • FR839418A - Security system for parking car exit control devices and other applications : en fr
  • FR839421A - Method and device for the production of hunting lead : en fr
  • FR839423A - Method and device for perforating carbon paper copies or other photographic transfers : en fr
  • FR839673A - Thermostat : en fr
  • GB503407A - Improvements relating to motor car bodies and roofs therefor : en
  • US2153477A - Locking mechanism for accordions : en
  • US2153185A - Elapsed time printer : en
  • DE674033C - Loading device for traveling grate firing systems : de en
  • USD114075S - Design for a plate or similar article : en
  • FR839609A - Mechanical relay applicable, in particular, to the control of adjustment devices : en fr
  • FR839663A - Process for manufacturing high boiling point hydrocarbons : en fr
  • GB503344A - Improvements relating to cigar wrapping mechanism for cigar making machines : en
  • US2152641A - Tape controlled apparatus : en
  • USD114140S - Design for a clip pin : en
  • GB503270A - Improvements in or relating to detachable rims and wheels for vehicles and their manufacture : en
  • US2153174A - Electric cable : en
  • GB503468A - Relaxation generator circuits : en
  • FR839462A - A method of protecting films on exchangeable reels from light in a cartridge for loading and unloading in daylight : en fr
  • GB503326A - Improvements in or relating to methods of and apparatus for laying submarine electric cables : en
  • FR839519A - Improvement in the purification of alkali metal hydrates : en fr
  • FR839353A - System for recording and repeating track signals on locomotives or railcars : en fr
  • GB503172A - Improvements in and relating to boiler furnaces : en
  • US2152904A - Lettering guide or the like : en
  • US2153087A - Mold : en
  • FR839356A - Concrete cannon : en fr
  • FR839494A - Polyisobutylene blend, especially for electrical insulation : en fr
  • GB503238A - An improved combined two-speed gear and back-pedalling brake for cycle hubs : en
  • GB503280A - Improvements in valve actuating mechanism for concrete delivery pumps : en
  • GB503590A - Improvements in electric control systems : en
  • GB503364A - Improvements in and relating to game apparatus : en
  • FR839642A - Refrigeration plant : en fr
  • DE674183C - Removal scratches : de en
  • US2153335A - Refrigerating unit : en
  • GB503499A - Shaped articles consisting mainly of vitrified amorphous silica : en
  • FR839463A - Improvements in carbonization processes and equipment : en fr
  • GB503402A - Improvements in and relating to sparking plugs : en
  • US2152664A - Oil treating process : en
  • US2152719A - Closet bowl mounting mat : en
  • USD114089S - Design for a cabinet fob dispensing : en
  • US2153407A - Vegetable dicing, slicing, and shredding machine : en
  • US2153268A - Well tool : en
  • US2152819A - Sewing machine : en
  • USD114106S - Design fob a lens : en
  • GB503390A - Device for automatically operating the registers in organs and the like : en
  • GB503504A - Improvements in snap-action electric switches : en
  • DE674184C - Process for treating textiles with amylases : de en
  • DE674019C - Heat holding device : de en
  • DE674061C - Gas shut-off device for gas-heated water heaters controlled by the water flow : de en
  • GB503587A - Improvements in or relating to variable ratio transmission mechanism : en
  • DK56017C - Artillery guns. : da en
  • FR839447A - Sewing machine, with a hollow frame containing all the parts except the needle (s), the stuffer and the control pulley-flywheel : en fr
  • US2152896A - Structure : en
  • FR839620A - Improvements to pneumatic ejector installations : en fr
  • GB503161A - Improved means for playing a game : en
  • FR839395A - Improvements made to fuel systems for internal combustion engines : en fr
  • US2152832A - Terminal clamp : en
  • GB503223A - Improvements in and relating to the control of feed water supply to steam generators and boilers : en
  • DE674130C - Process for the desulfurization of liquid iron : de en
  • US2152855A - Machine for working uppers over lasts : en
  • US2152881A - Transparent mounting device : en
  • US2153330A - Lubricant fitting : en
  • US2153108A - Steam heating system : en
  • US2152689A - Vibration device : en
  • US2152766A - Sewing mechanism : en
  • USD114136S - Design fob a clip pin : en
  • US2152947A - Switching apparatus for electrically counting rapid reciprocating movements : en
  • US2153220A - Ejector for motion picture apparatus of the magazine type : en
  • US2153486A - Clothespin : en
  • USD114072S - Design for a plate or similar article : en
  • US2152677A - Shaving device : en
  • US2153499A - Oil seal : en
  • US2152686A - Brake control device : en
  • US2152993A - Electric gaseous discharge device : en
  • US2153278A - Towel dispensing holder : en
  • US2153438A - Ice cubing machine : en
  • FR839377A - Improvements to spindles or bars for crushers : en fr
  • FR839582A - Amplifier systems : en fr
  • FR839430A - Machine for the production of corks : en fr
  • FR839576A - Process for extinguishing the valve arc of the operating phase of polyphase arc inverters : en fr
  • US2152934A - Heat transmitting surface : en
  • FR839437A - Rotating roaster : en fr
  • US2153375A - Electrode mounting for neon tubes : en
  • US2153410A - Golf ball : en
  • US2153040A - Signal transmission system : en
  • GB503522A - Improvements in or relating to friction clutches : en
  • DE674119C - Display device for displaying the combustion of fuel in a furnace : de en
  • DE673682C - Process for the production of heavy metal amine complex compounds : de en
  • DE674014C - Starting device for internal combustion engines : de en
  • GB503374A - Improvements in or relating to means for feeding carbon paper or like copy producing material through typewriters and like machines : en
  • DE651660C - Iron expansion of routes, tunnels or the like. Structures made of spirally continuous profile iron : de en
  • DE674187C - Flexible materials with a permanently adhesive surface : de en
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  • US2153529A - Mechanical sound record in film : en
  • US2152712A - Flue expander : en
  • US2153332A - Safety holder for cigars and cigarettes : en
  • USD114128S - Design for a spoon ok other article : en
  • GB503523A - Improvements in or relating to unidirectional driving devices : en
  • DE674199C - Train protection device : de en
  • FR839553A - Improvements to the arrangements of electrodes intended to obtain a clearly defined focal spot in cathode-ray tubes, mainly in television : en fr
  • CA380516A - Steering mechanism : en fr
  • US2152783A - Stringed musical instrument : en
  • US2153065A - Vapor phase nitration of the lower : en
  • US2153257A - Wagon : en
  • GB503464A - Improvements in or relating to permanent ways for railways and the like : en
  • GB503600A - Improvements in or relating to optical projection apparatus : en
  • DE674193C - Device for cleaning the filter cloth on rotary filters : de en
  • AU107035B2 - Improvements relating to telephone systems : en
  • USD114086S - Design for a hollow glass building : en
  • CA380537A - Lithographic printing plate preparation : en fr
  • US2152869A - Flower holder : en
  • US2152737A - Hair foundation roll : en
  • US2153295A - Machine for brushing and otherwise treating fruit and other articles : en
  • US2152735A - Sole fitting machine : en
  • US2152811A - Internal combustion engine : en
  • US2153048A - Governor : en
  • US2153203A - Communication system : en
  • FR839445A - Driving mechanism for sewing machines : en fr
  • AU221438A - Improved opening means fortin-lined butter boxes : en
  • US2153031A - Process of producing crimped artificial fibers from cuprammonia cellulose solutions : en
  • US2153107A - Automatic central buffer coupling for railway cars : en
  • USD114120S - Design fob an ashtray : en
  • DK56001C - Double Suction Gas Generator. : da en
  • GB503336A - Manufacture of calcium cyamide : en
  • US2153465A - Flexible transmission coupling : en
  • DE674103C - Television scanner : de en
  • GB503179A - Improvements in arrangements for the reception of stationary or moving pictures : en
  • DE674144C - Development process for light-sensitive layers containing diazo compounds : de en
  • DK55994C - Procedure for making wallpaper washable. : da en
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  • US2152750A - Geometrical device : en
  • US2153001A - Steam generator with forced passage of the operating medium : en
  • US2153005A - Gaseous electric discharge lamp : en
  • US2153234A - Brake mechanism for sleds : en
  • USD114160S - Design for a dress ensemble : en
  • US2153373A - Drain trap : en
  • US2153383A - Electromagnetic rail brake : en
  • AU266238A - Abuilding material for walls, floors, roofs andthe like : en
  • CA380482A - Lathe : en fr
  • CA380526A - Photographic colour-forming compound : en fr
  • CA380539A - Pattern fabric production : en fr
  • DE674167C - Device for measuring differences in gravity : de en
  • FR839654A - Process for applying a continuous layer of powder on a metal support : en fr
  • GB503312A - Improved clutch for use on motor vehicles and the like : en
  • GB503332A - Machine for feeding planiform articles, such as envelope blanks, from a stack : en
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  • FR839522A - Installation for electric arc blowing switch with compressed fluid : en fr
  • AU107039B2 - Improvements in and relating to counter fittings forthe display of goods in shops andthe like : en
  • US2153071A - Conveyer : en
  • US2153109A - Theodolite : en
  • GB503232A - Improvements in or relating to apparatus for photoelectrically exploring sound records : en
  • DE674107C - Device for the separation of scale and gas from the heated water coming from a hot water boiler : de en
  • USD114080S - Design for a plate ob similar : en
  • FR839598A - Electric feeler control system for reproduction according to a model or template : en fr
  • US2152991A - Method of coating surfaces with powdered materials : en
  • FR839380A - Tire deflation indicator device : en fr
  • FR839436A - Improvements to reciprocating plunger pumps : en fr
  • FR839643A - Method and tool for the manufacture of bottomless cuvettes with substantially cylindrical lower extension : en fr
  • US2153055A - Propeller : en
  • US2153247A - Electric light and power system : en
  • US2153371A - Refrigerating apparatus : en
  • US2153026A - Dust collector : en
  • US2153004A - Clock, so-called mysterious small clock : en
  • US2153092A - Thermal electkic mexeb : en
  • FR839482A - Machine for sorting, calibrating and marking soles : en fr
  • GB503218A - Improvements in and relating to electric protective devices : en
  • FR839433A - Improvements to vacuum cleaning devices : en fr
  • GB503212A - Improvements in and relating to the manufacture of complex compounds of divalent iron : en
  • FR839604A - Large diameter rubber balloons manufacturing process : en fr
  • FR839555A - Improvement in hermetic sealing of containers : en fr
  • US2152730A - Stripping harvester : en
  • US2153195A - Control for electric circuits : en
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  • DE674160C - Spring lid jar : de en
  • FR839472A - Process for manufacturing solid selvages on looms : en fr
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  • US2153125A - Governor : en
  • US2152809A - Method of producing finely divided metallic layers : en
  • US2152897A - Magnet clip : en
  • US2153426A - Sealed package and parts thereof : en
  • DE674077C - Electric keyboard musical instrument with continuously variable pitch : de en
  • FR839413A - Fire extinguisher grenade : en fr
  • GB503449A - Improved anti-dazzle device for vehicles : en
  • DE674123C - Sandal or the like with an articulated wooden sole : de en
  • DK56000C - Electric Bulb. : da en
  • FR839639A - The faucet : en fr
  • DE674096C - Clamping and clamping device for the mandrel bar in inclined rolling mills : de en
  • GB503147A - Improvements in or relating to telecommunication exchange systems : en
  • FR839371A - Improvements to cinematographic devices : en fr
  • GB503379A - Improvements in and relating to light-sensitive material for colour photographic purposes : en
  • DE674064C - Grist mill with primary crusher for oil cake bars : de en
  • DE674126C - Method and device for sucking off the distillation products from hollow channels arranged inside the fuel mass of chamber furnaces : de en
  • FR839422A - Rudder device for flat descent aircraft : en fr
  • FR839452A - Improvements to the protective caps of candles : en fr
  • FR839616A - Watch : en fr
  • US2152900A - Process of countercurrent fabric filtration : en
  • US2153131A - High frequency oscillator : en
  • DE674041C - Evaporation areas in steam turbines : de en
  • DE674192C - register : de en
  • DE674090C - Arrangement for electrical beam blocking in cathode ray oscilloscope tubes with cold cathode : de en
  • FR839483A - Loaf of bread shaping machine : en fr
  • GB503429A - Control devices and systems for radio sets : en
  • FR839429A - Improvements in aircraft flight control, in particular airplanes : en fr
  • GB503458A - Means for controlling by fluid the brakes of aircraft and other vehicles : en
  • GB503467A - Systems of ultra high frequency wave transmission : en
  • US2153324A - Duplicating pad or roll and method for its use : en
  • FR839574A - Process for obtaining oscillating mechanical vibrations in electrically conductive materials : en fr
  • GB503460A - Electrolytic liquid condensers : en
  • US2152674A - Mechanical movement and crop harvester : en
  • US2152885A - Car construction : en
  • US2152923A - Wheel brake : en
  • DK56007C - Method and Apparatus for the production of seamless, hollow articles of plastic masses. : da en
  • DE674198C - Control valve for automatic air suction brakes : de en
  • AU112838A - Improvements in or relating tothe separation of minerals : en
  • CA380550A - Abrasive wheel : en fr
  • FR839599A - Stage curtain for performance halls : en fr
  • US2152848A - Typewriting machine : en
  • US2153387A - Resilient mounting : en
  • US2153411A - Drainage system for separating oil from waste water : en
  • GB503313A - A process of stabilizing solutions of iodine and oil : en
  • US2153236A - Tool : en
  • US2153372A - Automatic hydraulic clutch : en
  • AU107009B2 - Improved method of and apparatus for washing and drying textile andother material : en
  • US2152642A - Treatment of teng oil : en
  • US2153231A - Educational and amusement device : en
  • GB503595A - Improvements in the manufacture and production of high molecular substances from unsaturated hydrocarbons : en
  • USD114105S - Design fob an electric guitar : en
  • AU354638A - Improvements in or relating to circuit arrangements for supplying sawtooth current toa load-impedence : en
  • CA380583A - Electrolytic device : en fr
  • US2153400A - Electrical switch gear : en
  • DE674203C - Arrangement for converting direct current into such a lower voltage : de en
  • US2152739A - Variable speed power transmission device : en
  • SE95361C1 - : en
  • US2153097A - Tappet : en
  • US2152859A - Shock absorber : en
  • US2152669A - Fluid pressure controlled brake device : en
  • FR839575A - Pendulum for dowsing or other applications : en fr
  • GB503303A - Improvements in or relating to automatic reversing gears for laundry washing machines : en
  • CA380561A - Orientation indicator for telegraph printers : en fr
  • US2153421A - Float switch : en
  • USD114113S - Design for a spoon or similar article : en
  • USD114058S - Design for a vanity case or similar : en
  • AU107013B2 - An improved reflector and lamp-holder for electric lamps : en
  • AU144739A - Improvements in or relating to radio-receivers : en
  • US2152774A - Valve construction : en
  • US2153384A - Football practice device : en
  • CA380478A - Oil tank floating deck : en fr
  • US2153006A - Sewing machine for producing superposes stitches : en
  • GB503319A - Improvements in and relating to hydraulic power transmitters : en
  • DE674057C - Device for the pneumatic treatment of hair growth on the scalp : de en
  • DK56009C - Procedure and tool for measuring the roughness and hardness of resilient, uneven surfaces, especially paper surfaces. : da en
  • US2153017A - Step : en
  • US2153151A - Speed changing mechanism : en
  • US2153497A - Blast burner : en
  • AU107044B2 - Improvements in or relating tothe treatment of shoe linings and to machines suitable for use therein : en
  • AU107023B2 - Improvements in and relating tothe ventilation of rooms andthe like : en
  • US2153011A - Amusement device : en
  • CA380487A - Manicure kit : en fr
  • US2152813A - Means for applying and regulating pressures : en
  • US2153458A - Valve : en
  • FR839668A - Process for reducing the swelling of synthetic phenol resins : en fr
  • GB503456A - Piston expander : en
  • GB503508A - Improvements in and relating to means for producing periodic light flashes : en
  • CA380515A - Radio apparatus : en fr
  • AU410937A - Improvements in or relating to ground gripping attachments for tractor wheels : en
  • US2152852A - Process for manufacture of glycolic acid : en
  • US2153357A - Acoustic damping material : en
  • USD114068S - Design for a lifting jack : en
  • CA380547A - Wire coating process and apparatus : en fr
  • GB503240A - Improvements in or relating to fountain pens : en
  • US2153047A - Governor : en
  • US2153359A - Air flow control apparatus : en
  • US2153347A - Paving plate : en
  • US2152824A - Filter amplifier for television synchronization : en
  • US2153273A - Tag holder : en
  • US2153414A - Method of making gaskets : en
  • US2152966A - Centrifugal separator : en
  • US2153163A - Television transmitting and the like system : en
  • US2153067A - Cutting and embossing device for biscuit machines : en
  • DE674145C - Device for grinding the running surface of railway wheels : de en
  • US2152930A - Typewriting machine : en
  • US2152963A - Wind power machine : en
  • US2153100A - Headlight shade : en
  • USD114122S - Design for an oceanplane : en
  • US2152675A - Engine starting mechanism : en
  • US2153167A - Tabulating machine : en
  • US2152740A - Shock absorber : en
  • US2153089A - Means for mounting an adding and subtracting device on slide rules : en
  • US2153526A - Refining and concentrating crude formaldehyde : en
  • US2152827A - Process of preparing substances belonging to the flavone group : en
  • US2152976A - Racemization of optically active compounds : en
  • FR839357A - Machine for the production of grooves in rubber tires : en fr
  • GB503496A - Improvements in or relating to radio and like receivers : en
  • FR839417A - Flying device : en fr
  • DE674175C - Piston pump with stepless change of the stroke : de en
  • GB503383A - Improvements in or relating to apparatus for heat exchange between two liquid or gaseous media : en
  • US2152850A - Multiple lift elevating truck : en
  • FR839504A - Calibration dial for t. s. f. : en fr
  • AU107020B2 - Improvements in parachutes : en
  • DE674202C - Device for stopping or reversing multi-phase AC motors with slip ring rotors : de en
  • FR839570A - Curtain frame : en fr
  • CA380498A - Snow plough : en fr
  • DE674037C - Method and device for processing bimetal strips consisting of a base metal strip and a bearing cover metal strip : de en
  • DK56016C - Bottle closure, in particular of the Crown-Cork type. : da en
  • US2152666A - Separation of oils : en
  • AU107047B2 - Improvements relating to movement restraining means in slack adjusting or other mechanisms : en
  • US2152636A - Rod coupling assembly : en
  • US2153251A - Shuttlecock : en
  • DE674059C - Darkening device for windows : de en
  • FR839499A - Corset : en fr
  • US2152665A - Oil extraction : en
  • US2152720A - Process for removing acid components from hydrocarbon distillates : en
  • US2152924A - Cooking utensil : en
  • US2152952A - Coin counting machine : en
  • USD114163S - Design fob a textile fabric or : en
  • FR839439A - New board game : en fr
  • DE674146C - Sound transmitter operated with alternating current : de en
  • US2153420A - Package insert adaptable for the mounting of fine filamentous thread in annular package form : en
  • IE15228L - Window hinges : en
  • DE674204C - Automatic regulating transformer for practically constant secondary current with variable load : de en
  • FR839352A - Gas-filled ignitron refinements : en fr
  • GB503306A - A process for the production of an iron powder of great reactivity : en
  • GB503436A - Improvements in or relating to bearing structure : en
  • DK56012C - Procedure for the manufacture of plant protection products. : da en
  • FR839454A - 5-halogen-trimellic acids and method of making such bodies as well as 5-hydroxy-trimellic acid : en fr
  • GB503356A - Process for the production of notices, advertisements and the like : en
  • GB503761A - Improvements in or relating to telephone systems : en
  • FR839612A - Chainless cycle with pedal levers : en fr
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  • US2153135A - Yarn treating processes and compositions therefor : en
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  • GB503309A - Improvements in and relating to waterproof articles of clothing : en
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  • US2153393A - Road seal : en
  • USD114146S - Design for fabric for shoe uppers : en
  • GB503598A - Improvements in and relating to electrical musical instruments : en
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  • US2153356A - Circulating spray bar : en
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  • US2153079A - Wire splicer : en
  • FR839375A - Improvements to idler pulleys : en fr
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  • DK55997C - Device for coils for several wavelength ranges. : da en
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  • US2153199A - Tank filling device : en
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  • FR839401A - Very high frequency electronic discharge systems : en fr
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  • US2152997A - Gaseous electric discharge lamp : en
  • GB503243A - Improvements in or relating to money holder devices for prepayment gas meters and the like : en
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  • DK56018C - Nozzle for Spraying Cementraaslam. : da en
  • FR839443A - Method and apparatus for dyeing and treating rayon and vistra cakes : en fr
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  • US2153170A - Process for producing alkyl halides : en
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  • FR839425A - Bakelite or other material cap with attached head : en fr
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  • US2153374A - Method of making decorative materials : en
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  • US2152754A - Apparatus for forming glassware : en
  • US2152727A - Water pump and seal therefor : en
  • US2153271A - Motor vehicle : en
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  • FR839550A - Balancing mode for accessories carried by a tilting radiology bed : en fr
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  • US2153435A - Multicolor stenciling apparatus : en
  • GB503481A - Improvements relating to slack adjusters for brakes : en
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  • US2153120A - Automobile body heater : en
  • US2153226A - Piano : en
  • DE674129C - Squeegee device for gravure forme cylinder : de en
  • US2152624A - Intermittent film feed : en
  • US2153471A - Foot well for baby carriages : en
  • US2153479A - Toggle switch : en
  • US2153156A - Fluid dispensing apparatus : en
  • US2153153A - Shutter rebound stop : en
  • US2153015A - Siding unit and assembly : en
  • CA380553A - Electric motor and generator assembling apparatus : en fr
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  • US2152676A - Drawer : en
  • US2152829A - Film-forming composition : en
  • FR839414A - Method and device for casting foundry parts : en fr
  • GB503397A - Improvements in hard metal alloys : en
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  • US2153504A - Postal envelope : en
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  • US2153175A - Combustion chamber for oil burners : en
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  • DE674098C - Clamping and feeding device for full or hollow workpieces : de en
  • GB503171A - Improvements in or relating to methods and apparatus for making spring assemblies orspring fillings : en
  • GB503258A - Improvements in horticultural and like syringes : en
  • FR839590A - Divider device for mowers : en fr
  • CA380535A - Buckle folding machine feeding device : en fr
  • GB503150A - Improvements in or relating to hydraulic pumps, motors and other apparatus embodyingmechanism of the swashplate type : en
  • GB503490A - Manufacture of improved insecticidal compositions : en
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  • USD114141S - Design for a necklace : en
  • FR839473A - Method and apparatus for melting borax or the like : en fr
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  • US2152939A - Dehydrating apparatus : en
  • US2153244A - Elastic tape attaching mechanism : en
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  • US2153311A - Process for preparing 2-keto-aldonic acids and their salts : en
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  • US2152960A - Process for the manufacture of cyclohexanols : en
  • US2153030A - Device for feeding material : en
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  • GB503255A - Improvements in electric glow discharge lamps : en
  • GB503459A - Multi-stage thermionic amplifiers : en
  • US2153300A - Manufacture of metal-phthalocyanines : en
  • DE674013C - Injection carburetor : de en
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  • US2152866A - Memorandum device : en
  • CA380572A - Fibrous article production : en fr
  • US2153389A - Railway car sway control mechanism : en
  • GB503367A - Stenographic machine : en
  • US2152637A - Welding : en
  • US2152892A - Typewriting machine : en
  • US2153437A - Respirator : en
  • FR839586A - Burner with vaporization chamber, nozzle chamber and adjustment needle mounted horizontally and along the same axis : en fr
  • GB503477A - A model race track : en
  • FR839400A - Sophisticated installation for remote reproduction of all printed texts : en fr
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  • US2153463A - Index plate for boring and milling machines : en
  • CA380538A - Coating material for lithographic plates : en fr
  • US2153242A - Car compartment illuminating and ventilating means : en
  • USD114162S - Design for pants : en
  • CA380496A - Hard metal composition : en fr
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  • US2152940A - Method of and means for folding wearing apparel : en
  • US2153064A - Process for the preparation of glycolic acid : en
  • DE674132C - Arrangement for suppressing the fifth harmonic in a three-phase network : de en
  • US2152995A - Glow discharge device : en
  • US2153053A - Globe : en
  • AU111756B2 - Improvements in or relating to electric signalling systems : en
  • US2153388A - Method of making resilient mountings for machines : en
  • US2153470A - Internal combustion engine : en
  • CA380507A - Notebook holder : en fr
  • US2152786A - Preparation of acetoacetyl aromatic acid amides : en
  • US2152880A - Thickness gauge : en
  • CA380508A - Pit for sour fodder : en fr
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  • US2152779A - Method and apparatus for waterdrive production of mineral oil : en
  • USD114144S - Design fob a shaving implement : en
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  • US2153189A - High vacuum pump : en
  • US2153521A - Lapping device, apparatus, and method : en
  • US2152971A - Fish lure : en
  • US2153412A - Automatic monitor for machine controls : en
  • US2152693A - Production of sulphur dyes : en
  • DE673079C - Comb for loosening up curls : de en
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  • US2152917A - Silicate-containing products and processes of making : en
  • US2153209A - Method of and means for reducing disturbances : en
  • US2153111A - Brake system coupler : en
  • GB503339A - Improvements in or relating to sliding clasp fasteners : en
  • US2152787A - Preparation of acetoacetyl aromatic acid amides : en
  • FR839581A - Compressed gas automatic metered discharge device with single-control volumetric indicator : en fr
  • AU107026B2 - An improved cowl for stove pipes : en
  • AU123639A - Braun tube : en
  • US2152732A - Method of producing laminated paperboard and the like : en
  • US2153117A - Condensate return system : en
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  • US2152623A - Display sign : en
  • US2152840A - Rotary snow plow : en
  • AU107001B2 - Relaxation transformer : en
  • US2153130A - Rotogravure ink : en
  • CA380531A - Blank printing and punching apparatus : en fr
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  • US2152639A - Electric circuit : en
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  • USRE21042E - potts : en
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  • FR839641A - label : en fr
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  • GB503603A - Improvements relating to the moulding of concrete : en
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  • US2152870A - Prefill valve for hydraulic presses : en
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  • US2152874A - Production of high purity crystalline dextrose : en
  • US2153512A - Preparation of pale paint, varnish, and enamel vehicles : en
  • AU123339A - Improvements in cathode ray or Braun tubes : en
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  • USD114152S - Design for a lace tablecloth : en
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  • US2152877A - Matrix retainer : en
  • US2153238A - Method of and apparatus for washing receptacles such as tumblers and the like : en
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  • USD114161S - Design for a dress : en
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  • US2153259A - Securing means : en
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  • AU77238A - Improvements in or relating tothe distribution of electrical energy : en
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  • USD114059S - davis : en
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  • AU107002B2 - Improvements in spiking and / or aerating devices for lawns or the like : en
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  • US2152745A - Bag construction : en
  • US2152793A - Sealing-in machine : en
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  • US2153099A - Elastic wing assemblage : en
  • US2153194A - System of coding and decoding : en
  • US2152634A - Closure means for receptacles : en
  • US2152992A - Electric discharge device : en
  • USD114135S - Design fob a clip pin : en
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  • US2152893A - Method of making helical packing rings : en
  • GB503517A - Process of protecting fatty substances from becoming rancid : en
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  • US2153419A - Combined blower and powder spraying device : en
  • US2153178A - Method of and means for signaling : en
  • US2153248A - Air humidifier for internal combustion engines : en
  • US2153344A - Attached opener for containers : en
  • AU162738A - Anew or improved cement and process for manufacture thereof : en
  • US2152958A - Combination hat perforating and labeling device : en
  • US2153101A - Control device for machine tools : en
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  • FR839667A - Method and apparatus for tempering glass objects : en fr
  • US2153003A - Chain fastener : en
  • FR839358A - Process for preparing indetonating essences and medium low freezing point oils : en fr
  • FR839444A - Hook mechanism, for sewing machines : en fr
  • FR839577A - Method and device for including easily oxidizing metals in metal tubes for dividing them into small pieces : en fr
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  • FR839546A - Telegraph installation with transmission devices, teletype machines and perforated tape transmitters : en fr
  • FR839646A - Improvements to machines for extrusion, or press spinning, of metals : en fr
  • IE15255L - Electric discharge lamps : en
  • GB503432A - Improvements relating to fuel injectors of internal combustion engines : en
  • US2153345A - Water sterilizing apparatus : en
  • FR839406A - Improvement in watertight boxes used in electrical installations : en fr
  • CA380502A - Envelope closure : en fr
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  • US2153176A - Electrical connection means : en
  • USD114060S - Design for an electric dry shaver : en
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  • FR839585A - Support frame for pendulum movement and method for its manufacture : en fr
  • GB503485A - Improvements in or relating to vehicle brakes : en
  • US2152834A - Lamp : en
  • US2153168A - Take-up device for automobile wheel supporting structures : en
  • US2152806A - Automatic slack adjuster : en
  • US2153078A - Electric radiator : en
  • US2153514A - Reinforced fibrous tacking strip : en
  • DK55995C - Process for the Preparation of the Cyclopentanopolyhydrophenanthrene series of unsaturated ketones of the corresponding unsaturated secondary alcohols. : da en
  • FR839520A - Improvements to equipment for extrusion, or press spinning, of metals : en fr
  • GB503418A - Improvements in or relating to two-way telephone and like transmission systems : en
  • AU111709B2 - Improvements in or relating to radio-receivers : en
  • GB503268A - Improvements in or relating to sound recording and reproducing : en
  • AU107003B2 - Apparatus for pasteurising and/or deodorising and cooling lacteal liquids under vacuum : en
  • GB503420A - Improvements in or relating to electrical oscillator apparatus for medical purposes : en
  • US2152953A - Electric heating apparatus : en
  • USD114107S - Design for a plate or similar article : en
  • US2153020A - Diffusion refrigerating machine : en
  • GB503163A - Improvements in hinges : en
  • GB503443A - Modulating arrangements for high frequency signalling systems : en
  • GR8108B - METHOD OF MANUFACTURE OF SUPPLIED ARMS. : el en
  • US2153095A - Glare shield : en
  • GB503167A - Improvements in monochromators : en
  • GB503416A - Improvements in or relating to ship structures : en
  • FR839461A - Fishing utensil : en fr
  • USD114067S - Design for an insecticide spraying : en
  • US2153270A - Dust collector : en
  • GB503272A - An improved collapsible crate or case for the carriage of poultry or other live stock : en
  • FR839657A - Device for cooling, heating or drying, in particular chocolate articles : en fr
  • GB503282A - Improvements in electrical indicating instruments : en
  • GB503325A - Improvements in rockets, or projectiles, for use in throwing lines : en
  • GB503451A - Improvements in processes for the production of colour designs on the surface of aluminium or aluminium alloys : en
  • US2152816A - Wire fence : en
  • US2153449A - Clarification of rayon spin baths : en
  • FR839516A - Baby bed : en fr
  • FR839530A - Continuous absorption refrigerator unit, operating with inert gas : en fr
  • GB503265A - Portable personal sanitary conveniences : en
  • GB503281A - Method of rolling the races of ball bearings : en
  • GB503404A - Improvements in or relating to the refining of light hydrocarbon oil : en
  • FR839607A - Electric trolley : en fr
  • GB503183A - Improvements in the production of hydrocarbon gases by hydrogenation of carbonaceous materials : en
  • GB503453A - A method of driving a vehicle or machine by means of an internal combustion engine, and plant for carrying out the method : en
  • FR839500A - Free-fall hammer lift device : en fr
  • FR839615A - Method of multiplying or printing sound carriers in the form of bands obtained by the needle sound method : en fr
  • GB503601A - Improvements in or relating to apparatus for coating shoe parts or the like by spraying : en
  • FR839458A - Improvements in the preparation of carbon black : en fr
  • AU107048B2 - Improvements relating tothe manufacture of artificial plastic masses and textile fibres : en
  • FR839675A - Railway crossings : en fr
  • FR839678A - Improvements to shutter release mechanisms for folding cameras : en fr
  • GB503419A - Improvements in or relating to television receivers : en
  • GB503480A - A process for improving pulverulent fuels suitable for use in internal combustion engines : en
  • FR839686A - Coal gasifier : en fr
  • USD114091S - Design fob a combined thermostat : en
  • FR839453A - Production of pressurized fluid : en fr
  • DE674036C - Device for stripping hollow bodies from a drawing mandrel consisting of an inner and an outer mandrel : de en
  • DE674047C - Circuit arrangement for receivers with delayed shrinkage control and voting indicator in the anode circuit of a shrinkage controlled tube : de en
  • GR8101B - MULTIPLIER ARMS AND CONVERSION OF EVERYWHERE RIFLE AND LIGHT AUTOMATIC ARMS. : el en
  • FR839415A - Combined device and new principle for absorbing the force of a vehicle, correcting braking and eliminating the impact to which the vehicle is subjected when braking : en fr
  • FR839427A - Device for actuating an apparatus controlling an electrical circuit when a liquid reaches a determined level in a reservoir : en fr
  • FR839587A - Cable gland for non-combustible electric cables or conductors, with outer sheath formed by a metal tube : en fr
  • DK56014C - Seat Cushion for Saddles of the Coil Spring Type for Bicycles and Motorcycles. : da en
  • GB503486A - Improvements in or relating electrolytic condensers : en
  • GB503524A - Improvements in or relating to fluid pumping and controlling means : en
  • GB503330A - Improvements in and relating to light-sensitive material for colour photographic purposes : en
  • GB503835A - Improvements in or relating to vehicle axle structures : en
  • FR839638A - Vending machine : en fr
  • FR839390A - Swivel clip for pressure lubrication : en fr
  • GB503376A - Improvements in electrical insulation : en
  • GB503156A - Manufacture of projection screens : en
  • GB503323A - Improved sack, or bag holder : en
  • FR839621A - Process for the production of polymerized carboxylic acids and their derivatives : en fr
  • GB503307A - A method of separating yeast by centrifugal treatment : en
  • US2152949A - Fluid pressure brake system : en
  • GB503226A - Hair foundation and curler : en
  • FR839557A - Cam manufacturing process : en fr
  • US2152678A - Holding device for cap covers or tops : en
  • US2153515A - Processes of preparing pigment in organic vehicle compositions useful for making coating compositions : en
  • US2153489A - Releasing device for artificial or natural fishing bait : en
  • US2153506A - Emergency brake control : en
  • US2153224A - Windshield wiper : en
  • DE674022C - Device for indicating the blow-off of pneumatic tires : de en
  • FR839698A - New azo acid dyes, intermediate products which can be used for their preparation and process for obtaining these dyes and these products : en fr
  • US2152714A - Method and apparatus for differentially waving hair : en
  • US2152662A - Method for preparing ribose : en
  • US2152717A - Method of casting in a centrifugal mold : en
  • US2153002A - Chain fastener : en
  • US2153452A - Cooler : en
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  • FR839591A - Improvement in potentiometric resistance : en fr
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  • GB503227A - Improvements relating to ball-bearings : en
  • US2152640A - Method of removing from wool certain other fibers : en
  • FR839627A - Improvements made to devices for winding a flexible tie, especially fishing reels : en fr
  • GB503514A - Improvements in or relating to engine mounting for chassisless motor vehicles : en
  • FR839565A - Bottle holder device : en fr
  • GB503236A - Improvements in or relating to inductance coils fitted with iron dust cores : en
  • US2153008A - Electric discharge lamp : en
  • US2152668A - Tobacco stemming machine construction : en
  • DE674210C - Winding bar with prongs for figure eight winding : de en
  • FR839360A - Device for obtaining an invariable distance from the wire guide to the plates in rectilinear picking looms where the stroke of the bridge is variable : en fr
  • AU83038A - Process of and apparatus for purifying industrial combustible gases : en
  • FR839549A - Protective coating for thermal insulation : en fr
  • US2153016A - Pyrimidine compounds : en
  • US2153390A - Leading-in wire for electric devices : en
  • FR839467A - Relay operating in the event of an overcurrent : en fr
  • DE674106C - Arrangement for recording electrocardiograms : de en
  • US2152710A - Mechanism for absorbing torsional oscillations of shafts : en
  • GB503353A - Improvements in or relating to apparatus for playing games of chance of the roulette type : en
  • GB503470A - A steering device for automobile torpedoes : en
  • US2153277A - Safety signaling means : en
  • FR839700A - Improvements to the air conditioning of premises and new confined enclosures applying these improvements : en fr
  • FR839479A - Very high frequency wave transmission systems : en fr
  • FR839626A - Ventilation and temperature control system : en fr
  • CA380481A - Lathe : en fr
  • US2152895A - Stabilizer for ladders : en
  • US2152913A - Toasting machine : en
  • US2153327A - Posture chair : en
  • USD114079S - Design for a plate ob similar : en
  • GB503448A - Improvements in or relating to rotary printing machines : en
  • FR839633A - Photographic lens : en fr
  • GB503435A - Improvements relating to draw benches for use in the manufacture of metallic tubes : en
  • FR839560A - Process for depilating hides and skins : en fr
  • CA380479A - Delay electric blasting cap : en fr
  • FR839374A - Method and device for electric resistance welding : en fr
  • GB503250A - Improvements in or relating to gas and/or vapour filled electric discharge devices : en
  • US2153279A - Toilet seat cover dispenser : en
  • FR839379A - Advanced metal cartridge : en fr
  • GB503408A - Improvements relating to geysers, water heaters and the like : en
  • FR839378A - Advanced elastic binding device : en fr
  • US2152831A - Valve : en
  • USD114158S - Design for a dress ensemble : en
  • FR839689A - Improvement in the method of application on fabrics, as well as in frame printing : en fr
  • FR839485A - Improvements to reflecting mirrors, binocular devices, and similar devices : en fr
  • FR839562A - welding electrode for welding high strength steels : en fr
  • GB503314A - Improvements in or relating to electron multipliers : en
  • FR839354A - Braun tube particularly applicable to television receivers : en fr
  • FR839424A - Solar-powered self-adhesive device : en fr
  • DE674009C - Savings calendar : de en
  • FR839384A - Improvements to cable tractors or motorized winches for agricultural and similar work : en fr
  • GB503488A - Improvements in or relating to the production of zinc sheet and foil : en
  • AU142439A - Improvements in amplifying and frequency-changing circuits : en
  • FR839601A - Water-soluble mono-azo dyes and method for preparing these dyes : en fr
  • GB503411A - Improvements relating to liquid circulating means for pasteurising apparatus : en
  • US2153265A - Oven heat regulator : en
  • GB503178A - Improvements in and relating to internal combustion engines having control pistons for controlling the inlet and exhaust : en
  • US2152889A - Telephone system : en
  • CA380543A - Switch and computer control device for fluid pumps : en fr
  • GB503415A - Improvements in or relating to bearings : en
  • FR839624A - Improvements to discharge tubes : en fr
  • DE674169C - Engine housing made from synthetic resin molding materials, in particular crankcase and cooling jacket, for internal combustion engines : de en
  • FR839363A - Machine for binding boxes, cartons and other objects with metal wire : en fr
  • GB503288A - Improvements in or relating to carriers for bottles and like articles : en
  • GB503333A - Improvement in signal devices : en
  • US2153075A - Ventilator blind : en
  • US2153484A - Composite fabric body such as channel runway, finishing welt, and the like : en
  • US2153495A - Petroleum lubricant product : en
  • AU107040B2 - Sublimation apparatus : en
  • DE674073C - Welding wire : de en
  • FR839611A - Ring spinning and twisting machine : en fr
  • GB503275A - Butter cutting machine : en
  • US2153045A - Clothespin : en
  • US2153285A - Means for launching torpedoes : en
  • DE674038C - Device for producing a gas extraction device from inside the coal filling : de en
  • GB503434A - Improvements in the construction of dynamo electric machines : en
  • USPP323P - E r asmus : en
  • DE674156C - Synchronization arrangement for rotor-fed three-phase current shunt commutator motors : de en
  • FR839548A - Machine for dislodging capsules from a roll of capsules and bringing them to a position of use : en fr
  • US2152659A - Method of inhibiting the alkaline corrosion of tin containers : en
  • US2152899A - Carry type scraper : en
  • FR839640A - Pole base for overhead power lines, etc. : en fr
  • GB503422A - Improvements in and relating to remote reading magnetic compasses : en
  • GR8098B - MECHANICAL CYLINDRICAL SIZE FOR BAKERY. : el en
  • DE674154C - Process for avoiding excessively high pressures in electrical high-voltage cables : de en
  • DE674007C - Optical sound recording and playback device with endless tape : de en
  • DE674147C - Process for preventing the decomposition of basic, lime-rich slags, especially blast furnace slags : de en
  • US2152715A - Railway car hand brake : en
  • US2153296A - Machine for treating eggs : en
  • US2153405A - Manufacture of trimethylamine : en
  • FR839690A - Magnetrons : en fr
  • GB503472A - Improvements in and relating to roller fittings and runners for sliding and folding doors, partitions and windows : en
  • FR839388A - Improvements to steam generators : en fr
  • CA380492A - Spinning wheel : en fr
  • US2153022A - Combination brooch and dress clip : en
  • DE674049C - Rotary switch for alternating current with right and left rotation, dead gear and Kantelgesperre : de en
  • FR839600A - Condensation products having the characteristic constitution of an amide and method of preparing these products : en fr
  • GB503525A - Improvements relating to elastic fabrics and elastic gores for boots and other apparel or the like : en
  • GB503442A - Improvements in or relating to work feeding mechanism for knife blade grinding or polishing machines and the like : en
  • DE674179C - Airplane landing and siding : de en
  • GB503387A - Improvements in or relating to means for changing a gun carriage from a limbered-up travelling position into a firing position on a platform : en
  • CA380545A - Earth moving device : en fr
  • US2152796A - Variable speed transmission : en
  • US2153143A - Nondiscoloring, liquid antiseptic soap : en
  • US2152979A - Process and apparatus for regulating the feed of single tube boilers : en
  • US2152842A - Metal attenuating process and apparatus : en
  • CA380517A - Steering mechanism : en fr
  • US2152967A - Refrigerating apparatus : en
  • US2153098A - Conveyer : en
  • US2153200A - Diazo compounds : en
  • US2153363A - Laminated metal body : en
  • US2152760A - Spark arrester : en
  • US2152645A - Photoelectric color measuring and analyzing apparatus : en
  • US2153320A - Building construction : en
  • US2153475A - Foot for expansion joint setting apparatus : en
  • CA380559A - Self-locking bolt : en fr
  • CA380528A - Anti-emetic preparation : en fr
  • AU112238A - Composition of matter for protecting ice-chests, furniture, receptacles andthe like from incroachment by ants, cockroaches and certain other noxious insects, and for use in dispersing ants from ant beds andthe like : en
  • US2153157A - Solderless badge plate and pin assembly : en
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  • GB503278A - Improvements in or relating to aerial systems : en
  • US2152764A - Controlling or keying arrangement : en
  • US2152936A - Flexible blind of the roller type : en
  • US2152631A - Welding timer : en
  • CA380556A - Organic compound dehydrogenation : en fr
  • GB503368A - Improvements in or relating to electric lanterns : en
  • GB503510A - Improvements in photographic apparatus : en
  • AU26438A - An improved cowl for stove pipes : en
  • US2152980A - Testing tool : en
  • US2152706A - Shielding for electrical circuits : en
  • US2153478A - Gear transmission : en
  • DE674002C - Collapsible seat and deck chair frame : de en
  • US2153043A - Process of making the piperidine salt of pentamethylene-dithiocarbamic acid : en
  • US2153088A - Electric locker control : en
  • FR839694A - Tray for distillation, rectification or purification column : en fr
  • GB503342A - Improvements in or relating to thermostatically controlled gas valves : en
  • GB503406A - Improved apparatus for severing a succession of sheets (of paper or similar material) from a web and feeding them to a wrapping machine or other device : en
  • US2152789A - Signaling device : en
  • CA380566A - Antirachitic vitamin production : en fr
  • DE674015C - Scissors for cutting blocks and slabs : de en
  • US2153142A - Film advancing mechanism for motion picture apparatus : en
  • US2152804A - Truck for moving buildings : en
  • US2152696A - Railway track lubricating device : en
  • FR839428A - Highly flexible sealing ring for pistons : en fr
  • CA380473A - Allyl chloride production : en fr
  • CA380555A - Food material treatment : en fr
  • FR839508A - Hinge : en fr
  • US2152638A - Recording mechanism for games : en
  • US2152988A - Gaseous electric discharge device : en
  • DE674111C - Straw feed device for reciprocating piston presses : de en
  • US2153343A - Gas meter manifold : en
  • US2153472A - Napkin dispenser : en
  • DE674054C - Plug connection for electrical heating or cooking devices with two connection contacts, in which two heating resistors are provided which can be switched over for different operating voltages : de en
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  • US2153428A - Nontamperable package and parts thereof : en
  • US2153450A - Single head meter : en
  • US2153308A - Coping : en
  • US2152915A - Telephone instrument : en
  • US2153054A - Die stock and tap wrench : en
  • US2153367A - Electric switch : en
  • US2152931A - Saw sharpening apparatus : en
  • US2153485A - Automatic glass blowing machine : en
  • CA380546A - Electric water heater : en fr
  • GB503511A - Manufacture of condensation products containing nitrogen : en
  • CA380493A - Licence plate assembly : en fr
  • US2152818A - Step-by-step movement for dispensing apparatus : en
  • US2153276A - Device for removing ashes : en
  • US2153057A - Gas producer control : en
  • US2153358A - Textile material and method of making the same : en
  • US2153192A - Control circuit : en
  • US2153413A - Warm air furnace : en
  • US2153063A - Process for the recovery of nitroparaffins : en
  • US2153255A - Butter dispensing device : en
  • DE674102C - Movable fresh food container : de en
  • DE674133C - Control device for maximum electricity meter : de en
  • GB503165A - Improvements in or connected with the aeration of liquids : en
  • US2153496A - Extreme pressure lubricant : en
  • USD114099S - Design for a grave marker : en
  • US2153137A - Yarn conditioning processes and compositions therfor : en
  • DE673876C - Process for roasting easily melting clayey, low-iron ores rich in sulfur, phosphorus and silicic acid : de en
  • US2152864A - Surge link : en
  • DE673990C - Overload links fuse : de en
  • US2153217A - Oscillation generator : en
  • FR839370A - Deformable tube with conical cap, adjustable opening : en fr
  • FR839660A - Device transforming into a "burner", with adjustable gas flow, all receptacles containing all suitable fuels, solid, liquid or pasty : en fr
  • US2153275A - Machine for grinding or sharpening edge tools : en
  • US2152672A - Hair curler : en
  • US2153305A - Car coupling : en
  • DE638488C - Process for the production of neutral aluminum acetate : de en
  • CA380533A - Resinous condensation product : en fr
  • GB503186A - Improvements in or relating to the fireproofing of materials consisting at least partially of rubber : en
  • GB503222A - Improvements in light-dividing prism systems for colour photography or the like : en
  • GB503466A - Improvements in motor vehicle driving arrangements : en
  • GB503515A - Improvements in and relating to the manufacture of nasal medicaments for treatment of hay fever and other air-borne infections : en
  • GB503754A - Improvements in or relating to ticket issuing devices : en
  • US2152894A - Transparent section waver : en
  • US2153160A - Predetermining mechanism for coin counting machines : en
  • FR839407A - Shells for firing against planes : en fr
  • FR839687A - Instrument used for perspective drawing from nature : en fr
  • GB503233A - Improvements in or relating to means for ironing soft felt hats : en
  • DE674164C - Loading device : de en
  • FR839628A - Improvements to devices for preparing and spreading mixtures of bitumens, tars or oils with asphaltic or similar pulverulent materials : en fr
  • GB503176A - Improved device for cooling the lubricating oil of internal combustion engines : en
  • GB503441A - Improvements in vehicles with several axles : en
  • GB503349A - Improved production of paints : en
  • FR839695A - Tray for distillation, rectification or purification column : en fr
  • US2153041A - Closure means for paper cups : en
  • US2153090A - Electric transformer for high tension : en
  • US2152800A - Control mechanism : en
  • DE674050C - Arrangement to prevent the interruption of the coupling line between two generators or power stations in the event of oscillations : de en
  • US2153336A - Flashlight : en
  • FR839364A - Remote control device for t.s.f. receivers. and other electrical devices : en fr
  • GB504174A - Improvements in and relating to control circuits for polyphase vapour arc converters : en
  • GB503382A - An improved process for the preparation of alkali metal peroxides : en
  • GB503454A - Improvements in and relating to guards for the stripping openings of carding engines : en
  • US2152887A - Can opener : en
  • FR839438A - Improvements to processes for protecting and flavoring cheeses and resulting products : en fr
  • FR839394A - Further training in the manufacture of fuel agglomerates : en fr
  • US2152707A - Ground vase : en
  • US2152741A - Cativic acid esters and methods of preparing them : en
  • GB503347A - Improvements in or relating to hydraulic control valves : en
  • GB503427A - Improvements in or relating to apparatus employed in monolithic concrete building construction : en
  • CA380467A - Circuit breaker : en fr
  • DK56015C - Contact device for electric Stoplights for Bicycles. : da en
  • FR839564A - Intermittent refrigerator device reversible by absorption or adsorption : en fr
  • GB503491A - Improvements in or relating to the storage of vegetable produce including fruit : en
  • GB503253A - An improved method of and means for the supporting of the ground in trenches and excavations especially those for the foundations of buildings : en
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  • GB503398A - Improvements in and relating to electric lamps : en
  • AU107015B2 - Improvements in and relating to closures for bottles and like containers : en
  • DK56004C - Procedure for Generating Heat for Permanent Waving of Hair. : da en
  • US2153302A - Saponification of oxidized hydrocarbons : en
  • US2152969A - Balancer : en
  • US2152833A - Fabric measuring machine : en
  • US2153216A - Electron tube system : en
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  • FR839449A - Optical device for instruments with indicator or light spot : en fr
  • FR839498A - Process for the consolidation of clay masses : en fr
  • GB503341A - Improvements in, or relating to, spring-suspension systems of road vehicles : en
  • GB503207A - Circuit arrangement for current or potential distortion in television systems : en
  • USD114145S - Design for a dress ensemble : en
  • US2152646A - Heel press and method of pressing heels : en
  • US2152698A - Printing press : en
  • US2152825A - Braun tube : en
  • US2153227A - Tag : en
  • DK55993C - Pasteurizer for Liquids in Bottles or Cans. : da en
  • GB503248A - Improvements in compressed air engines for operating vehicle doors and the like : en
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  • DE674046C - Stop display for vehicles : de en
  • GB503589A - Improvements in or relating to optical systems : en
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  • US2153442A - Method for conditioning tobacco : en
  • AU107004B2 - Process of and apparatus for purifying industrial combustible gases : en
  • US2153152A - Resistance : en
  • US2152738A - Method of and apparatus for molding materials : en
  • FR839580A - Cooled piston for internal combustion engines : en fr
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  • US2153210A - Carbon pack : en
  • US2153362A - Extension ladder construction : en
  • FR839651A - Clasp, with combination lock, for handbags : en fr
  • GB503187A - A new or improved method of manufacturing ball races : en
  • IE15710L - Lock-nut : en
  • FR839404A - Assembly and articulation device : en fr
  • GB503217A - Automatic tuning control system for radio receivers : en
  • FR839365A - Spring set without frame : en fr
  • FR839420A - Automatic machine for fixing lugs on lamp bases and other similar operations : en fr
  • FR839594A - Earthing with constant humidity for receiving devices of t. s. f. : en fr
  • GB503151A - Improvements in and relating to tobacco pipes : en
  • GB503209A - Improvements in coin-freed vending machines : en
  • DE674143C - Cinema suitcase demonstration apparatus : de en
  • FR839572A - Further training provided in the establishment of starters for internal combustion engines : en fr
  • GB503175A - A hemorrhoid compressor and rectum support : en
  • CA380575A - Colouring matter compound : en fr
  • CA380534A - Cardboard box : en fr
  • US2152724A - Process for the removal of mercaptans from mercaptide solutions : en
  • US2152777A - Indicator mechanism for educational purposes : en
  • US2153331A - Process for the preparation of gunpowder by means of an acetone and alcohol solvent mixture : en
  • GB503235A - Washing preparations : en
  • AU115138A - Improvements relating to drenchers : en
  • CA380506A - Aluminium alloy : en fr
  • US2152790A - Automatic safety pilot burner : en
  • US2152844A - Illuminated display device : en
  • US2153145A - Convertible storm sash and window screen : en
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  • US2153252A - Variable speed electrical apparatus and control therefor : en
  • US2152628A - Well bit : en
  • US2152876A - Grinding and classifying apparatus : en
  • US2152919A - Bung fitting : en
  • US2152994A - Gaseous electric discharge lamp device : en
  • US2153245A - Receptacle closure : en
  • US2152704A - Electric switch : en
  • AU111629B2 - Braun tube : en
  • US2152647A - Electrical receptacle : en
  • US2153187A - Automatic control for tabulating machines : en
  • US2152711A - Screw-threading die and holder therefor : en
  • DE674206C - Method and device for controlling valves for reciprocating compressors : de en
  • GB503317A - Improvements relating to automatic steering systems for aircraft : en
  • GB503498A - Improvements in telephone systems : en
  • FR839416A - Improvements to low-frequency amplifiers with feedback : en fr
  • US2153517A - Thermal relay : en
  • US2153518A - Centralized traffic controlling system for railroads : en
  • GB503145A - Improvements in or relating to cylinder grinding devices : en
  • US2152667A - Method for extracting animal oils : en
  • US2152986A - Window frame unit : en
  • USD114102S - Design fob a display stand : en
  • FR839368A - Advanced inhaler : en fr
  • US2153083A - Motor vehicle : en
  • US2153139A - Yarn conditioning processes and compositions therefor : en
  • US2153460A - Show card and the like : en
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  • GB503450A - Improvements in devices for delivering measured quantities of liquids : en
  • US2152709A - Indicating and measuring circuits : en
  • US2152761A - Automatic fire detector, alarm, and extinguisher : en
  • US2153418A - Seal construction : en
  • FR839650A - Typewriter Improvements : en fr
  • GB503439A - Improvements in apparatus for sandblasting tiles, bricks, slabs, and the like : en
  • US2152970A - Print feeding mechanism for wrapping and packaging machines : en
  • GB503155A - Improvements in or relating to electric generators : en
  • GB503365A - Sewing machine : en
  • DE674194C - Filters, especially for boiler feed water : de en
  • GB503444A - Improvements in spring lids of oil cups, lubricators, wage cups and similar receptacles : en
  • GB503446A - Improvements in electric rectifiers : en
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  • DE674053C - Electric heating device for aquariums and similar containers : de en
  • FR839541A - Improvements made to lighting devices, in particular those of vehicles and aircraft : en fr
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  • US2152810A - Rotary plug valve : en
  • FR839435A - Reduced interference radio receiver : en fr
  • GB503362A - An improved pre-heating device for the vaporizers of oil burners : en
  • GB503493A - Improvements in mechanical scanning devices for television apparatus : en
  • FR839632A - Time-setting device for winding watch movements : en fr
  • GB503518A - Improvements in and relating to temperature regulators for furnaces : en
  • GB503602A - Improvements in the manufacture and production of anti-knock motor fuels by the treatment of hydrocarbon oils at elevated temperatures : en
  • GR8100B - AUTOMATIC SMOKE CLEANER. : el en
  • FR839535A - Aluminum alloy : en fr
  • FR839538A - Improvements to triggering devices, in particular to trigger systems for automatic weapons with open breeches : en fr
  • GB503300A - Improvements in or relating to lighting systems : en
  • FR839595A - Process for producing mixture of artificial fibers into rovings : en fr
  • FR839446A - Automatic lubricating device for sewing machines : en fr
  • GB503185A - Improved garment stiffeners, boning or stays : en
  • US2153476A - Grinding machine : en
  • DE674100C - Upstream turbine designed as a radially loaded counter-rotating turbine : de en
  • DE674209C - Method for operating an arrangement for the central control of steam sterilization or disinfection apparatus : de en
  • CA380573A - Drying die for fibrous articles : en fr
  • US2153303A - Dishwashing apparatus : en
  • US2152854A - Typesetting machine : en
  • US2153263A - Container : en
  • FR839487A - Delivery device for rolling mills : en fr
  • US2153490A - Light modulating device : en
  • GB503289A - Improvements in ship construction : en
  • FR839664A - Process for preparing amines : en fr
  • FR839432A - Constant level inkwell : en fr
  • DE674211C - Hair curling stick with internal heating for creating permanent hair waves using figure-of-eight : de en
  • FR839362A - Ball-bearing rotating crown or seat : en fr
  • FR839693A - Tray for distillation, rectification or purification column : en fr
  • GB503188A - Improvements in the canopies or hoods of domestic fire grates : en
  • DE674017C - Method and device for regulating the moisture content of the air and the air temperature in grain mills : de en
  • FR839361A - Carburetor for liquid and gaseous fuels : en fr
  • FR839647A - Electric switch : en fr
  • GB503334A - Improvements in and relating to marine turbine plants : en
  • GB503182A - Improvements in and relating to elastic fluid turbines : en
  • GB503433A - Improvements in or relating to vapour generators with vaporising tubes and superheaters : en
  • US2152795A - Moving stairway : en
  • US2152964A - Derivatives of hydrocarbons of high molecular weight and process of making same : en
  • DE671718C - Method for determining the altitude and speed of a horizontally flying target using only one listening device : de en
  • FR839484A - Recording mechanism for measuring device : en fr
  • FR839505A - Quick closing device : en fr
  • IE15453L - Sash fastener for double windows : en
  • US2152884A - Garment hanger : en
  • US2153260A - Golf tee : en
  • US2152755A - Tire recapping press : en
  • US2152871A - Pipe bracket : en
  • US2152981A - Airplane wing with variable angles of incidence : en
  • US2153441A - Fluid container and method of producing : en
  • US2153494A - Joint : en
  • US2153500A - Sound device : en
  • FR839688A - Device combining material humidification and room air humidification : en fr
  • GR8106B - APPLIANCE FOR PERIODICAL ASSOCIATION OF CIRCUITS OF ELECTRIC VOLTAGE TO EVERY HIGH VOLUME. : el en
  • FR839372A - Average speed controller : en fr
  • US2152983A - Watercraft : en
  • US2153171A - Electric blasting cap : en
  • US2153404A - Method of making stems for sealed electrical devices : en
  • US2153444A - Centering gauge : en
  • CA380497A - Fibre manufacture from tangle : en fr
  • CA380564A - Metal roll manufacture : en fr
  • USD114131S - Design for a dress and slip ensemble : en
  • US2153024A - Atomizer for liquids in general and in particular for liquid fuels : en
  • US2153181A - Ultra short wave circuit : en
  • DE674062C - Nadeltongeraet with a device for inserting the needle into the clay box : de en
  • US2153368A - Lamp socket : en
  • US2153102A - Safety latch : en
  • USD114084S - Design for a badge ob similar : en
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  • US2153456A - Photosensitive gas apparatus : en
  • US2152768A - Measuring means : en
  • US2153482A - Lubricating composition : en
  • US2153172A - Transmitter tube circuit : en
  • DE673976C - Pattern device for circular knitting machines : de en
  • US2153280A - Braking device : en
  • US2153215A - Percentage counter : en
  • US2152898A - Hair cutting and shaping implement : en
  • US2153085A - Transmission interlock : en
  • US2153307A - Tile making machine : en
  • AU429738A - Improvements in sources of light comprising an electric discharge device and luminescent material adapted tobe excited bythe discharge therein : en
  • US2153262A - Extension table : en
  • US2152685A - Wheel : en
  • US2153188A - Cathode support for electrolytic units : en
  • US2153408A - Method of making golf balls : en
  • US2152633A - Drying oil compositions : en
  • US2153338A - Piston skirt expander : en
  • USD114076S - Design fob a plate ob similar abticle : en
  • CA380475A - Warm air furnace filter boot : en fr
  • CA380565A - Mattress handle : en fr
  • FR839402A - Reversible freewheel device : en fr
  • AU106999B2 - Improvements in or relating to circuit arrangements for supplying sawtooth current toa load-impedence : en
  • US2152781A - Control device : en
  • US2153018A - Disazo dyestuffs insoluble in water and fiber dyed therewith : en
  • US2152941A - Machine for forming liner bags for containers : en
  • US2152846A - Ladder construction : en
  • US2152838A - Counter molding machine : en
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  • FR839685A - skein of textile fibers of convex shape, and method for obtaining it : en fr
  • CA380567A - Lift door : en fr
  • FR839507A - Improvements in shipbuilding : en fr
  • CA380486A - Button hole sewing machine : en fr
  • CA380468A - Log barking machine : en fr
  • US2153241A - Conversion of hydrocarbon oil : en
  • DE674005C - Ventilation attachment : de en
  • FR839486A - Device for improving the running conditions of motor vehicles : en fr
  • FR839665A - spiral wound sheet metal type heat exchanger or the like and method of construction thereof : en fr
  • FR839682A - Cement manufacturing process : en fr
  • DE674124C - Process for making large, hollow sculptures : de en
  • US2153369A - Electric switch : en
  • DK56002C - Stoker with Castor Wheel. : da en
  • US2152763A - Enclosed arc lamp : en
  • US2153254A - Method and means of measuring fluid flow : en
  • DK56010C - Procedure for measuring the roughness and hardness of surfaces, especially paper surfaces. : da en
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  • CA380499A - Concrete breaking machine : en fr
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  • DE674042C - Method for feeding a preprinted insert paper web in register to a paper web passing through a rotary printing press : de en
  • US2152826A - Article and process for producing the same : en
  • US2153007A - Clutch mechanism : en
  • DE674076C - Scraper device on single and multi-roller mills : de en
  • GB503273A - Improvements in motor vehicles : en
  • US2153396A - Slow break switch : en
  • FR839583A - objects in aluminum alloys, with high mechanical resistance and corrosion : en fr
  • FR839399A - Combined box forming machine for box making : en fr
  • GB503164A - Apparatus for determining the calorific value of flowing fuels : en
  • US2153448A - Apparatus for observing revolving objects : en
  • FR839545A - Radio rotating beacon : en fr
  • US2153264A - Synchronization indicator for internal combustion engines : en
  • FR839644A - Translation device for combinations of pulses, in particular for printing telegraph receivers : en fr
  • IE15413L - Plastic surfacing for floors, walls etc. : en
  • GB503148A - Improvements in or relating to plate valves for hydraulic pumps or motors of the swashplate type : en
  • GB503401A - Inhibitors for motor fuels : en
  • FR839411A - Carpet cleaning and stain removal device : en fr
  • FR839464A - Improvements to telephone systems and apparatus intended to be used in combination with them : en fr
  • FR839506A - Improvements to automatic control mechanisms for phonographs and the like : en fr
  • GB503359A - Improvements in or relating to electron multipliers : en
  • GB503760A - Improvements in and relating to fluorescing compositions : en
  • FR839525A - Rotary intaglio printing machine : en fr
  • US2153453A - Cribbage board and card pack holder : en
  • US2153293A - Signaling system : en
  • US2152977A - Automatic lock nut : en
  • US2153431A - Rod trimming device : en
  • GB503153A - Improvements relating to motor vehicle lamps : en
  • GB503482A - Improvements in or relating to the manufacture of fibro-cement materials : en
  • US2153249A - Bicycle frame : en
  • GB503393A - Improvement in signal devices : en
  • US2152673A - Hair roller : en
  • GB503494A - Improvements in television transmitting apparatus : en
  • US2153378A - Current responsive arrangement : en
  • US2152797A - Transmission : en
  • GB503144A - Improvements in or relating to reciprocatory tool machines for performing finishing operations upon hides, skins, leather and the like : en
  • US2152875A - Grinding, gauging, and sizing : en
  • USD114095S - Design for a fountain pen and pencil : en
  • DE674072C - Clamping head for broaching tools : de en
  • FR839469A - Reduced interference radio receiver : en fr
  • GR8107B - METHOD OF MANUFACTURE OF SUPPLIED ARMS. : el en
  • US2152680A - Mechanical teeing apparatus : en
  • US2152955A - Electrically maintained vibrating body and system emboyding same : en
  • AU111708B2 - Process forthe separation of nickel from copper : en
  • US2153519A - Window clearing system : en
  • US2153146A - Cap : en
  • CA380527A - Photographic colour developer : en fr
  • FR839367A - Method and device for mounting bristles on root : en fr
  • GB503597A - Improvements in or relating to colour photography : en
  • US2153291A - Electromagnetic relay : en
  • US2152978A - Gas generator : en
  • GB503305A - Improvements in and relating to electric discharge devices : en
  • DE674083C - Spatula for the production of raised surface decorations in a uniform thickness : de en
  • FR839674A - Improvements to weft winding machines : en fr
  • GB503410A - Improvements in and appertaining to crossings and turn-outs or junctions of overheadlines used for supplying electric current to trolley buses, tram cars, and the like : en
  • US2153037A - Pick-up and loading machine : en
  • FR839597A - Process for recovering fibers from rubberized materials which contain these fibers : en fr
  • DE674151C - Disk-shaped copy device : de en
  • US2153306A - Telephone system : en
  • FR839699A - Chromiferous dyes, their preparation processes and their industrial applications : en fr
  • USD114101S - Design for a wall lamp ob similar : en
  • US2152684A - Wheel : en
  • US2153081A - Play shelter : en
  • USD114104S - Design for a label : en
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  • US2153334A - Basket : en
  • USD114097S - Design for a filter rod for a coffee : en
  • CA380472A - Feed or watering pan : en fr
  • US2152694A - Hardwood flooring : en
  • US2153158A - Relaxation circuit arrangement : en
  • GB503513A - Manufacture of synthetic resins : en
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  • US2153261A - Work holder for grinding machines : en
  • US2153351A - Textile article : en
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  • US2152721A - Process for the removal of mercaptans from hydrocarbon distillates : en
  • USRE21043E - Abrasive wheel and method of : en
  • US2153531A - Metalliferous azo dyes : en
  • USD114118S - Design fob a wheel : en
  • DE674001C - Gable spar for sports tents : de en
  • DE674148C - Device for the oligodynamic activation of water : de en
  • DE674180C - Slip stopper for anchor chains : de en
  • US2152823A - Coupling transformer : en
  • US2152912A - Brushing attachment for knitting machines : en
  • US2153068A - Effective length adjusting means for apparel elements : en
  • US2152872A - Game apparatus : en
  • US2153391A - Cup holder : en
  • US2153417A - Surgical instrument : en
  • FR839488A - Polygon down to scale with its equipment for firing chamber artillery exercises : en fr
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  • DK56019C - Box of Cardboard or other sheet-shaped Material. : da en
  • US2152849A - Elevating truck : en
  • DE674016C - Machine for peeling or shelling of grains or the like. : de en
  • DE1461807U - : de en
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  • FR839671A - Improvements in molding of plastics and other moldable materials : en fr
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  • US2152716A - Drying pigments : en
  • US2152772A - Translating repeater : en
  • US2153298A - Aerial : en
  • US2153376A - Film processing apparatus : en
  • US2152744A - Insoluble metal cativates and method of making them : en
  • USD114083S - Design for a plate or similar : en
  • FR839492A - Method of obtaining a carrier frequency of low phase error or offset in carrier frequency transmission systems : en fr
  • USD114150S - Design for a shoe ob similar article : en
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  • CA380540A - Brake lever : en fr
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  • GB503440A - Improvements in or relating to linear dimension guages : en
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  • GB503269A - Clinch nut : en
  • US2153340A - Carton : en
  • USD114134S - Design for a dress and slip ensemble : en
  • DE674039C - Line-up device for perforated sheets of paper to be united in book form : de en
  • US2152734A - Hyperextension frame : en
  • US2152916A - Telephone instrument : en
  • US2153212A - Composite printing apparatus for : en
  • US2153235A - Shoe heel counter molding machine : en
  • US2152799A - Articulated railway truck : en
  • US2152985A - Electric gaseous discharge device : en
  • FR839385A - Process, and its applications, for manufacturing conductive mechanical parts by die-casting of one or more pulverulent products, at least one of which is or becomes a conductor : en fr
  • CA380510A - Image broadcasting system : en fr
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  • CA380549A - Pipe joint : en fr
  • GB503262A - Auxiliary driving mechanism for cycles and the like : en
  • GB503426A - Improvements in or relating to cathode ray tube apparatus : en
  • US2153113A - Towel dispensing cabinet : en
  • US2153386A - Dynamo-electric machine : en
  • US2153133A - Device for curling and locking hair : en
  • US2153155A - Seat : en
  • CA380500A - Electric plug : en fr
  • CA380570A - Box for chicks : en fr
  • GB503304A - Device for facilitating the construction of concrete piles moulded in the ground : en
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  • DE674185C - Monitoring device for railways : de en
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  • GB503455A - Cathode ray tubes and circuits relating thereto : en
  • FR839544A - Baler baler for straw and similar products : en fr
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  • GB503457A - Machine for vulcanizing endless belting or the like : en
  • CA380536A - Pipe nozzle forming means : en fr
  • DE674142C - Two-stroke internal combustion engine with direct current flushing : de en
  • FR839389A - Gas or metal vapor discharge devices and related electrode holders : en fr
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  • US2152942A - Coagulant : en
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  • US2152944A - Work holding means for typewriting machines : en
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  • US2153493A - Toe stocking : en
  • GB503159A - Improvements in or relating to machines for perforating or preparing tapes for controlling type setting and other machines : en
  • SE95288C1 - : en
  • US2153013A - Rotary knife : en
  • US2153038A - Ripper : en
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  • FR839670A - Control device for motor vehicles : en fr
  • GB503431A - Toolhead for grinding machines or the like : en
  • US2152643A - Vacuum sealed container : en
  • US2153319A - Automatic telephone system : en
  • US2153353A - Process for separation of mineral oil : en
  • US2153474A - Polish rod clamp : en
  • US2153507A - Immiscible liquid countercurrent method and apparatus : en
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  • FR839579A - Buckle with one or more barbs, with safety system placed on its frame : en fr
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  • US2153360A - Motor driven fluid pump : en
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  • GB503267A - Improvements in or relating to belt conveyers : en
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  • CA380557A - Unsaturated aldehyde product : en fr
  • FR839491A - High frequency coil including adjustable magnet core variometer for inducibility adjustment : en fr
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  • US2153159A - Film gate for enlarging printers : en
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  • US2152927A - Conversion of hydrocarbon oils : en
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  • US2152657A - Sole for shoes : en
  • US2153339A - Float : en
  • USD114130S - Design for a printed tablecloth or : en
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  • USD114081S - Design for a plate ob similar : en
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  • AU107019B2 - Improvements in or relating tothe distribution of electrical energy : en
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  • US2153202A - Electrical filter : en
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  • US2152974A - Aerodynamic flap for slotted wings for aircraft : en
  • US2153454A - Screen frame construction : en
  • US2153009A - Electric discharge lamp : en
  • US2153461A - Attachment for grain binders : en
  • US2153513A - Reaction products of 2-methyl-1, 3-dichloropropane and alcohols : en
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  • FR839481A - fuel saver : en fr
  • AU312337A - Relaxation transformer : en
  • GB503284A - An improved flexible coupling : en
  • GB503351A - Improvements in or relating to sack filling machines : en
  • US2152769A - Telephone system : en
  • US2153385A - Kiln construction : en
  • US2152718A - Process for the production of sintered products : en
  • US2152776A - Floor clip : en
  • AU106996B2 - Means for safe bulk storage of liquids, applicable also for other purposes : en
  • US2153379A - Device for feeding liquid fuel : en
  • FR839419A - Automatic damper for ventilation adjustment : en fr
  • GB503492A - Means for preventing undesired retrogression of vehicles or machines : en
  • CA380504A - Engine gas mixer : en fr
  • CA380529A - Surgical and medical preparation : en fr
  • DE674085C - Tobacco feeding device for cigarette machines : de en
  • DE674207C - Device for cutting endless artificial fiber slivers : de en
  • US2152733A - Automatic control clutch : en
  • US2153213A - Apparatus for determining liquid levels : en
  • US2153237A - Spring suspension for vehicles : en
  • FR839524A - Anthraquinone Series Tank Dyes : en fr
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  • AU424038A - Improvements in and relating to closures for bottles and like containers : en
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  • US2153274A - Wireless signaling apparatus : en
  • USD114148S - Design for a dress : en
  • US2152996A - Gaseous electric discharge device : en
  • US2153501A - Piston for internal combustion engines : en
  • US2153096A - Coupler : en
  • US2152946A - Wheeled supporting means particularly for furniture : en
  • CA380495A - Hard metal composition : en fr
  • SE95301C1 - : sv
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  • CA380580A - High frequency oscillator and circuit : en fr
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  • US2152956A - Mixing system : en
  • US2152705A - Adjustable blind : en
  • US2153180A - Card feeding mechanism : en
  • USD114143S - Design for a belt : en
  • FR839655A - Improvements to vehicle wheels and their manufacturing process : en fr
  • CA380471A - Electric film cut-out : en fr
  • US2152701A - Counterbalance for oil pumping apparatus : en
  • CA380562A - Piston ring retainer pin : en fr
  • FR839658A - Toy : en fr
  • GB503758A - Improvements in or relating to electric signalling systems : en
  • CA380476A - Engine starting system : en fr
  • US2152957A - Wheel : en
  • USD114100S - Design for a dispensing device : en
  • US2153505A - Postal coin carrier : en
  • US2152752A - Compression quad for justifying lines of type : en
  • US2153019A - Rib knitting machine : en
  • AU107032B2 - Abuilding material for walls, floors, roofs andthe like : en
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  • USD114125S - Design fob a spectacle front : en
  • US2153282A - Convertible rowboat and tent : en
  • US2153498A - Vehicle underframe : en
  • USD114088S - Design fob an illuminating floor : en
  • US2152747A - Game : en
  • US2153281A - Outside window screen hanger : en
  • US2152841A - Writing machine : en
  • DE674188C - Quick bandage package : de en
  • US2153141A - Rubber compounding : en
  • CA380525A - Photographic colour-forming compound : en fr
  • AU106998B2 - Wire-tensioning device anda process for tensioning wires : en
  • DE1462563U - : de en
  • DE674099C - Process and device for the production of sulfur : de en
  • FR839543A - Improvement in the manufacture of ceramic objects : en fr
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  • US2152708A - Apparatus for forming window openings in traveling webs : en
  • US2153010A - Microscopy : en
  • US2153469A - Winch gear for hauling, cargo working, and like purposes : en
  • USD114053S - Design for a container cap : en
  • DE674004C - Winch with a motor that continuously rotates in one direction : de en
  • US2153205A - Tuning arrangement : en
  • CA380563A - Naphthenic acid recovery : en fr
  • AU122138A - Improvements in or relating tothe treatment of shoe linings and to machines suitable for use therein : en
  • CA380558A - Olefine polymer hydrogenation : en fr
  • FR839359A - Process for preparing aldehydes of interest : en fr
  • GB503345A - Improvements in and relating to refrigerators : en
  • FR839434A - Advanced awning for storefronts : en fr
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  • US2153361A - Surface condenser : en
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  • US2152784A - Compensating poppet valve : en
  • CA380513A - Moulding sand processing : en fr
  • CA380466A - Pipe fitting : en fr
  • FR839662A - High voltage transformer : en fr
  • FR839509A - Device for obtaining a constant yarn thickness on rayon spool spinning machines : en fr
  • IE15490L - Cooling of rear-engined motor vehicles : en
  • CA380489A - Liquid viscosity regulating apparatus : en fr
  • US2152798A - Method of making composite pavements : en
  • US2153299A - Tens transmitting device for calcu : en
  • CA380518A - Glass pane securing device : en fr
  • US2152839A - Permutation lock : en
  • US2153124A - Cutting tool : en
  • US2153402A - Electric switch : en
  • US2153468A - Load distributing, auxiliary power, duo semi-trailer tractor : en
  • USD114121S - Design fob a clock : en
  • USD114164S - Design for a teleprinter cabinet : en
  • US2153115A - Process of preparing acetylene : en
  • US2153455A - Rotary livestock feeder : en
  • AU107011B2 - Improved opening means fortin-lined butter boxes : en
  • US2152901A - Method of making filter fabric : en
  • US2152921A - Apparatus for making motion pictures : en
  • US2153488A - Writing instrument clip : en
  • USD114114S - Design for a spoon ob similar article : en
  • US2153150A - Typographical machine : en
  • CA380532A - Electric cut-out : en fr
  • FR839613A - Straw baler with rotating feed rake which picks up the long and short straw from a collecting trough from below and mounts it in the baling duct in front of the pressing piston : en fr
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  • US2153503A - Switch for electric irons : en
  • US2152731A - Advertising demonstration device : en
  • CA380577A - Radio receiver : en fr
  • USD114151S - Design for a lace tablecloth : en
  • GB503158A - Manufacture of combustible gases : en
  • FR839518A - Improvement in the concentration of aqueous hydrates of alkali metals : en fr
  • GB503386A - Improvements in or relating to holders for incandescent electric lamps : en
  • US2153093A - Universal coupling : en
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  • SE95313C1 - : en
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  • US2153269A - Cathode ray tube : en
  • GR8105B - METHOD OF PREPARATION OF FORCES TO FORM A LARGE MOLECULAR WEIGHT OF POLYANHYDRATES OF AMINO ACIDS AND MANUFACTURE OF PRODUCERS BY THE COMING BY THE COMING. : el en
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  • US2153321A - Method of manufacturing beaded welting : en
  • US2153509A - Power transmitting apparatus and control therefor : en
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  • US2153287A - Axle housing : en
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  • US2152907A - Dipper trip control : en
  • US2152644A - Straw buncher : en
  • US2153032A - Writing device : en
  • US2153381A - Hydraulic control mechanism : en
  • FR839457A - Improvements to sewing machine furniture : en fr
  • FR839496A - High vacuum distillation process of fats and fatty oils : en fr
  • GB503251A - Improvements in or relating to loose-leaf binders : en
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  • US2153382A - Zone heating system : en
  • US2153091A - Thermal demand meter : en
  • US2153349A - Air blower : en
  • GB503149A - Improvements in or relating to shaft packing or sealing devices : en
  • GB503261A - Improvements in and relating to high speed internal combustion engines : en
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  • US2152935A - Boiler construction : en
  • US2153317A - Recording apparatus : en
  • US2153424A - Position indicator for machine tools : en
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  • FR839561A - Traction sprayer improvements : en fr
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  • GB503264A - Improvements in or relating to concrete floors, walls partitions or the like : en
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  • US2152820A - Braun tube : en
  • US2153253A - Needle adapter : en
  • US2152882A - Game : en
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  • GB503173A - Improved screw-threaded closure cap for bottles and like containers : en
  • GR8104B - METHOD FOR THE PREPARATION OF SULPHONIC ACID COMPOUNDS. : el en
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  • US2152626A - Sexual hormones and method of preparing them : en
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  • FR839596A - Cinematographic apparatus, in particular narrow film camera : en fr
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  • AU409237A - Improvements in spiking and / or aerating devices for lawns or the like : en
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  • FR839589A - Process for obtaining fabrics and similar supports coated with spongy rubber : en fr
  • US2152879A - Fishhook disgorger : en
  • FR839397A - Elastic device usable in particular for the suspension of vehicles : en fr
  • GB503154A - Improvements in or relating to variable-pitch airscrews : en
  • GB503241A - Bobbin-cleaning apparatus for use on automatic weft-replenishing bobbin-changing looms : en
  • US2153240A - Spraying machine : en
  • US2152656A - Insulator for spark plugs : en
  • US2153082A - Sugar crystallizing apparatus : en
  • USD114070S - Design for a bottle cap : en
  • FR839523A - : fr
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  • US2152649A - Cellular carton and structure therefor : en
  • US2152857A - Railroad crossing : en
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  • AU127738A - Improvements in and relating tothe ventilation of rooms andthe like : en
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  • US2152803A - Bull's-eye target : en
  • US2153329A - Carrier line power supply : en
  • DE1461735U - : de en
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  • AU31138A - Improvements inthe manufacture of stiffening shields for breast pockets of corsets, brassieres andother garments : en
  • GB503308A - Improvements in means for glazing windows : en
  • GB503239A - Improvements in and relating to electric furnaces and automatic control arrangements therefor : en
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