• DE594734C - Garden device for smoothing the edge of the bed : de en
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  • US1951801A - Method of and apparatus for forming and finishing tire cover rims : en
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  • DE594558C - Method for combating parasitic nematodes in arable soil : de en
  • DE594639C - Hydrocarbon gas generator : de en
  • DE594947C - Process for creating wood grain effects on plywood surfaces : de en
  • DE594625C - Zipper : de en
  • DE594763C - Used sand conveyor system for foundries : de en
  • CA340157A - Sanitary girdle : en fr
  • CA340257A - Magnetron oscillator : en fr
  • GB407668A - Improvements in or relating to shock-absorbers : en
  • FR761553A - Universal excavator dredge : en fr
  • FR761616A - Variable Speed Transmission Improvements : en fr
  • GB407700A - Improvements in electrolytic apparatus : en
  • FR761566A - Ironing board : en fr
  • GB407712A - Improved apparatus for use in connection with the loading of coal or like material : en
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  • GB407569A - Improvements relating to pedal operated mechanisms : en
  • GB407623A - Improvements relating to packing pads for gas holders and the like : en
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  • GB407602A - Spark-gap apparatus for producing electric oscillations : en
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  • FR761454A - Process for the purification of benzol : en fr
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  • GB407482A - Improvements in and relating to roll-up lattice shutters or grilles : en
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  • FR761448A - Improvements to metal cartridge cases : en fr
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  • DE594709C - Coupling device for claw couplings : de en
  • GB407611A - Improvements in or relating to cooling apparatus for refrigerating plants : en
  • GB407690A - Improvements in the manufacture of yarn : en
  • GB407699A - Improvements in or relating to the regeneration of catalytic and like contact masses : en
  • FR761588A - Face mask : en fr
  • CA340122A - Trousers press : en fr
  • FR761423A - Improvements to coffee makers : en fr
  • CA340169A - Explosive compound purification : en fr
  • DE594877C - Stitch adjusting device for sewing machines : de en
  • US1951374A - Manufacture of shoes : en
  • FR761624A - Improvements to dynamo electric machines used as generators or starters for internal combustion engines : en fr
  • FR761456A - Product for waterproofing paper, fabric, cardboard or other materials : en fr
  • GB407923A - Improvements relating to combination gas and solid fuel fires : en
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  • US1951736A - Pile wire : en
  • DE594778C - Thread brake with a tension body wrapped around and driven by the thread : de en
  • FR761603A - Rotating roasting plate : en fr
  • GB407638A - Improvements in or relating to the manufacture of deposited rubber articles : en
  • US1951557A - Silo door and ladder structure : en
  • US1951887A - Telephone pay station apparatus : en
  • DE594683C - Monitoring against earth faults in turnout, signal and dependency lines for power stations : de en
  • FR761461A - Process for cooling high voltage cables and devices for its application : en fr
  • FR761630A - Automatic ratchet device for raising and lowering tobacco in dryers : en fr
  • GB407462A - Improvements in or relating to tennis posts and the like : en
  • GB407497A - Improvements in laminated springs : en
  • GB407538A - Improvements in swimming suits : en
  • AU1083933A - Improvements relating tothe bead wire of pneumatic tyres : en
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  • US1951604A - Bag for folding chairs : en
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  • CA340303A - Remote-control device : en fr
  • US1951900A - Bed and cylinder printing press : en
  • USD91749S - Design for a velocipede : en
  • DE594787C - Schraem device for creating burglary slots : de en
  • FR761700A - Improvements to knife blades, knives, etc. : en fr
  • CA340260A - Bore hole exploring apparatus : en fr
  • CA340298A - Regenerative radio receiver : en fr
  • GB407474A - Improvements in loudspeakers : en
  • US1951420A - Heat exchanger : en
  • US1951740A - Process of catalytic hydration of olefines : en
  • US1951970A - Valve keeper inserting tool : en
  • DE589285C - Vibrating and rolling massage machine : de en
  • DE594891C - Hand tool for stripping wire ends : de en
  • US1951538A - Activated carbon : en
  • US1951539A - Metallic door construction : en
  • CA340304A - Superheterodyne radio receiver : en fr
  • FR761455A - Device for signaling the state of stagnation or flow of a fluid in a pipe : en fr
  • FR761649A - : fr
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  • GB407663A - An improved process for shaping artificial resins : en
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  • FR761671A - Derailleur-tensioner for bicycle chains : en fr
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  • US1951902A - Heater attachment for automobile headlamps and the like : en
  • US1951636A - Illuminating device for microscopes : en
  • US1951773A - Raker tooth gauge : en
  • DE594677C - Seamless container made of molded pulp with closure : de en
  • US1951470A - Crimping and sealing edge for light gauge sheet materials : en
  • DE594700C - Device for automatic switching of the motor vehicle headlights : de en
  • GB407448A - Improvements in or connected with screw cutting die heads : en
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  • US1951456A - Refrigerator defroster : en
  • US1951800A - Method of and apparatus for forming and cutting tire cover rims : en
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  • US1951389A - Paper slitting and stacking device : en
  • US1951775A - Haircutting appliance : en
  • DE1294039U - : de en
  • DE594732C - Method and device for determining the rollability of metal sheets : de en
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  • CA340213A - Constant current regulator : en fr
  • GB407603A - Improvements in or relating to drying apparatus : en
  • FR761490A - Folding centesimal scale : en fr
  • FR761694A - Process for the manufacture of iron oxides : en fr
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  • US1951862A - Apparatus for burning pulverized fuel : en
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  • CA340224A - Rectifier backfire preventing means : en fr
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  • US1951983A - Laminated board : en
  • FR761578A - Phonograph records : en fr
  • FR761494A - Apparatus for setting and indicating the spacing of rolls in rolling mills, in particular in ingot rolling mills : en fr
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  • GB407716A - Improvements in coke ovens : en
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  • FR761625A - : fr
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  • DE594782C - Device for cutting a strand with longitudinal feed : de en
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  • US1951438A - Hat forming device : en
  • US1951872A - Candy making machinery : en
  • USD91772S - Design for a buckle : en
  • US1951846A - Support for electrical resistance elements : en
  • US1951961A - Process of making acetylene from higher saturated hydrocarbons : en
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  • CA340132A - Rotary drum or roller : en fr
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  • AU1173533A - Cleansing brush for flanged andthe like articles : en
  • GB407418A - Improvements in pressure reducing valves : en
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  • US1951705A - Apparatus for the dry separation of coal and the like : en
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  • GB407682A - Improvements in or relating to indicating systems particularly adapted for railway indicating systems : en
  • GB407526A - Improvements in the recovery of alcohol from bread baking ovens : en
  • US1951687A - Method of stretching wire ropes : en
  • US1951890A - Connection-cable for electric flatirons, cooking apparatus, and the like : en
  • US1951947A - Method of producing characters : en
  • US1951646A - Piston manufacture : en
  • US1951725A - Method for controlling temperature in hydrogenation reactors : en
  • US1952001A - Door holder or stay : en
  • DE1293890U - : de en
  • DE594845C - Zipper : de en
  • US1951624A - Car generator drive : en
  • US1951814A - Insulating element for electrolytic cells : en
  • CA340275A - Magnetic alloy product : en fr
  • US1951651A - Change speed transmission gearing : en
  • FR761558A - Production of aqueous solutions of heavy metal compounds of aromatic halogenylsulfonamides : en fr
  • US1951380A - Apron construction : en
  • CA340227A - Elevator safety device : en fr
  • US1951704A - Dam : en
  • US1951402A - Dipped rubber article and method of making same : en
  • US1951488A - Grooving fixture : en
  • CA340171A - Liquid dispenser : en fr
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  • US1951571A - Process of preparing dyeings and printings : en
  • GB407406A - Improvements in glass polishing tools : en
  • US1951371A - Apparatus fob manufacturing match : en
  • GB407409A - Improvements in or relating to television systems : en
  • GB407596A - Improvements in or relating to electrical heating apparatus : en
  • US1951502A - Gaseous signal light : en
  • US1951519A - Paper pulp refining engine : en
  • US1951542A - Radioreceiver : en
  • DE594770C - Machine for making boxes : de en
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  • US1951817A - Airplane-helicopter : en
  • GB407458A - Improvements in or relating to valve voltmeters : en
  • CA340284A - Short wave valve generator : en fr
  • DE594654C - Process for the short wet dressing of seeds : de en
  • US1951750A - Welding rod : en
  • DE594980C - Device for the automatic control of the temperature of the heat exchanger in collective heating systems with an adjusting lever that directly controls the air inlet flap of the boiler : de en
  • US1951972A - Adapter for trays and the like : en
  • GB407658A - Improvements in and relating to thermocouples : en
  • US1951648A - Oil burner : en
  • US1951897A - Pressure relief device : en
  • US1951974A - Tire vulcanizing mold : en
  • CA340219A - Elevator brake : en fr
  • DE594936C - Automatic photographic shutter with forward mechanism : de en
  • US1951909A - Excavating shovel : en
  • DE594552C - Process for the preparation of acid anhydrides : de en
  • US1951837A - Piston skirt expander : en
  • US1951850A - Spring assembly for upholstery : en
  • DE1294034U - : de en
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  • DE594991C - Process for producing two recordings of acoustic processes on a magnetizable carrier : de en
  • US1951525A - Linear voltage generator : en
  • DE594668C - Inlet or washing pipe for centrifuges : de en
  • FR761539A - Paver or slab of rubber and concrete or its equivalent : en fr
  • FR761598A - Improvements to traps for water and steam separators : en fr
  • GB407720A - Improvements in and connected with cloth stentering machines : en
  • FR761464A - Improvements in suspension devices for automobile engines and the like : en fr
  • GB407539A - Improvements in and connected with roller blinds of the awning type : en
  • DE594867C - Locking device for mobile furniture with castor feet : de en
  • FR761688A - Printing mechanism for scales : en fr
  • GB407422A - Improvements relating to closing rings for metal drums : en
  • GB407725A - Improvements in or relating to apparatus for use as a toy, or for advertising, display or decorative purposes : en
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  • DE594818C - Process for removing top layers from leather : de en
  • GB407441A - Machine for applying labels to bottles and other containers : en
  • GB407654A - Improvements in or relating to water-cooled fuel injection valves for internal combustion engines : en
  • FR761511A - Manufacturing process for hollow rubber objects : en fr
  • GB407454A - Improvements in or relating to electric protective arrangements : en
  • FR761513A - Polyphase rectifier assembly comprising several valves and more particularly thermionic valves : en fr
  • FR761655A - Improvements to typewriters and similar machines : en fr
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  • FR761570A - Improvements with vat dyes : en fr
  • US1951364A - Manufacture of dicarboxylic acid chlorides : en
  • US1951487A - Engine starting apparatus : en
  • FR761637A - Electronic lamp : en fr
  • US1951929A - Money exchange protecting device : en
  • CA340276A - Composite metal product : en fr
  • DK48520C - Tubular electric filament lamp or discharge tube and unipolar socket for such lamps or tubes. : da en
  • DK48527C - Self-closing faucet. : da en
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  • US1951334A - Method and apparatus for manufacturing pipe bends and the like : en
  • US1951414A - Roll paper fixture : en
  • US1951858A - Internal combustion engine : en
  • US1951795A - Mineral separator : en
  • US1951865A - Quick release pistol holster : en
  • US1951612A - Vacuum tube stem : en
  • US1951640A - Dual use hydraulic machine : en
  • AU1214333A - Improvements relating to coin-freed mechanism for gas and similar meters : en
  • US1951799A - Ammeter : en
  • US1951715A - Uniform speed reel : en
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  • CA340286A - Electric time lock : en fr
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  • CA340180A - Steering mechanism : en fr
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  • AT141222B - Silo. : de en
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  • FR761610A - Safety inner tube for tire and its valve : en fr
  • GB408004A - Process for the hydrogenation under pressure of distillable carbonaceous materials : en
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  • US1951442A - Microphone : en
  • US1951362A - Magnetic switch : en
  • CA340266A - Wrap stripe fabric : en fr
  • US1951682A - Zero printing device for cash registers and calculating machines : en
  • CA340322A - Loom take-up motion : en fr
  • FR761568A - A method of making soaps; very fatty shaving creams and similar products : en fr
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  • GB408003A - Process for the hydrogenation under pressure of distillable carbonaceous materials : en
  • US1951587A - Adjustable spray device : en
  • US1952034A - Steering mechanism : en
  • USD91782S - Design for a scale : en
  • US1951352A - Feed fluid controller : en
  • US1951901A - Sheet registering device : en
  • DE594798C - Drying road for cellulose skins : de en
  • US1951876A - Snap lock mechanism for transmissions : en
  • US1951540A - Mining machine : en
  • US1951565A - Valve : en
  • US1951625A - Automobile signaling device : en
  • US1951603A - Pressure gauge : en
  • CA340336A - Manifold record packet : en fr
  • CA340186A - Gas separation : en fr
  • CA340191A - Tube support : en fr
  • US1951568A - Manufacture of tubes and particularly tubes for heat transference devices : en
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  • DE594889C - Circuit arrangement for telephone systems with dialer operation, in which preferred call stations can intrude on existing connections : de en
  • AU1142233A - Improvements in cultivator and scarifier points and shares : en
  • US1951399A - Razor, sharpener, razor blade sharpening instrument, and razor blade : en
  • US1952005A - Control for producers of inert gases : en
  • US1951575A - Electric current rectifying system : en
  • USRE19118E - Container : en
  • US1951342A - Gaseous reduction of metal oxides : en
  • GB407549A - Disc clutches : en
  • DE594310C - Process for the production of storable bitumen emulsions, especially for road construction : de en
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  • CA340242A - Current translating system : en fr
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  • FR761447A - Mechanized system of architectural constructions : en fr
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  • US1951630A - Water return vapor regulator : en
  • US1951894A - Display and storage rack : en
  • US1951535A - Apparatus for supplying the material to be treated into boilers under pressure : en
  • US1951821A - Fender shaper : en
  • US1951387A - Electrical prospecting : en
  • US1951838A - Manifolding machine : en
  • US1952000A - Water supply regulator for humidifiers : en
  • US1951863A - Vehicle body : en
  • US1951751A - Gas compressor : en
  • US1951930A - Apparatus for hanging tobacco : en
  • US1951820A - Pneumatic dispatch tube : en
  • US1951746A - Vending machine : en
  • CA340195A - Cupola furnace fume arrester : en fr
  • USD91760S - Design for an alphabet for forming : en
  • US1951874A - Method of making vibratory devices : en
  • FR761561A - Device for cutting fish into slices, and in particular tuna : en fr
  • US1951473A - Camera : en
  • USD91778S - Bottle cap remover : en
  • CA340246A - Herbicidal preparation : en fr
  • US1951647A - Sludge separator : en
  • AU1474733A - An improved collapsible crate : en
  • DE594856C - Bell insulator for low and high current : de en
  • US1951477A - Means for connecting wheel supports to barrow frame : en
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  • CA340151A - Wheel rim bead : en fr
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  • GB407495A - Improvements in or relating to packing material for boxes : en
  • GB407651A - A combined photographic camera and casing therefor : en
  • US1951723A - Metallic conduit : en
  • FR761660A - Electronic lamp : en fr
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  • US1951738A - Metal swaging machine : en
  • USD91774S - Design fok a table stove : en
  • CA340145A - Swivelled wheel and axle : en fr
  • FR761538A - Method and devices for grinding rails : en fr
  • CA340300A - Radio frequency control system : en fr
  • DE594830C - Partition walls in the electrolytic production of light metals : de en
  • DK48522C - Device for Hanging Signs. : da en
  • US1951606A - Blade guide : en
  • US1951791A - Electrical signaling system for elevators : en
  • CA340238A - Immersion water heater : en fr
  • US1951583A - Mirror support : en
  • US1951729A - Combined light and reflector : en
  • US1951851A - Apparatus for cleaning, polishing, and like purposes : en
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  • US1951678A - Loaf-slicing attachment for bread wrapping machines : en
  • US1951446A - Control system : en
  • US1951548A - Wire-polishing apparatus : en
  • DE594944C - Crown lock with overlapping retaining tongues : de en
  • US1951354A - Colloidal halide and process of making the same : en
  • US1951407A - Apparatus for handling pipe : en
  • US1951479A - Clutch operating mechanism : en
  • US1951828A - Unbalance indicating device : en
  • US1951744A - Container : en
  • CA340124A - Writing tablet : en fr
  • CA340183A - Photographic material : en fr
  • US1951712A - Process for improving fibrous materials : en
  • US1951549A - Method for processing dough : en
  • CA340315A - Insecticide : en fr
  • US1951406A - Lighting fixture : en
  • DE594579C - Device for hanging up the cables or strands that carry the heating elements to the hair waves : de en
  • DE594883C - Device for synchronizing two or more prime movers : de en
  • AU1174733A - Improvements in and relating tothe manufacture of collars : en
  • CA340160A - Vegetable gum solution : en fr
  • GB407500A - Improvements in or relating to the cooling of water in cooling towers : en
  • FR761581A - Airboat device : en fr
  • DE594913C - Arrangement for charging batteries with the help of rectifiers : de en
  • US1951641A - Oil burner : en
  • US1951686A - New process of preparing arylacetic acids and new product obtainable thereby : en
  • US1951760A - Method of conducting geological survey : en
  • US1951368A - Radiator construction : en
  • CA340207A - Electric regulator : en fr
  • DE594785C - Light liquid separator : de en
  • FR761435A - Improvements to melting, combustion or similar apparatus : en fr
  • FR761529A - Improvements to the arrangement of roofs with sliding panels, in particular for motor cars : en fr
  • FR761609A - Manufacturing process of acoustic diaphragms : en fr
  • USRE19117E - Process of producing closures : en
  • US1951633A - Oxidizing briquette : en
  • AU1194733A - Exposure timing apparatus for Xray equipment : en
  • CA340244A - Fibre product treatment : en fr
  • CA340289A - Conduit : en fr
  • US1951347A - Focal plane camera shutter : en
  • DE594791C - Track breaking machine : de en
  • GB407412A - Improved means for tuning wireless receiving apparatus : en
  • AU1276433A - Improved insulation for heat, cold or sound : en
  • US1951454A - Method for the representation in print of spoken sounds : en
  • CA340255A - Spectacles : en fr
  • AU1181433A - Improvements in and relating to apparatus for expanding or contracting pistons : en
  • CA340274A - Potato digger : en fr
  • DK48532C - With Radio sets, Vacuum cleaners and the like combined Savings machine. : da en
  • FR761541A - Improvements to pumps used for mixing and circulating two liquids : en fr
  • US1951834A - Veneer cutting machine : en
  • CA340202A - Electric power converting apparatus : en fr
  • CA340272A - Engine fuel device : en fr
  • GB407729A - Process for obtaining oil from sea animals and oil rich fish : en
  • CA340328A - Oil cooler : en fr
  • DE594412C - Process for the production of filter media : de en
  • GB407471A - Improvements in sun blinds, awnings and the like : en
  • US1951416A - Electrical amplifying system : en
  • US1951443A - Method of manufacturing alumina hydrate and valuable sulphates from compounds of alumina : en
  • US1951652A - Screw driver : en
  • FR761591A - Plasterboard or slab : en fr
  • GB407588A - An improved wrapping board for textile fabrics : en
  • US1951886A - Process and apparatus for the manufacture of hydrated calcium chloride : en
  • FR761667A - : fr
  • GB407584A - Improvements relating to containers for cigarettes and the like : en
  • GB407964A - Improvements in poultry feeding devices : en
  • FR761402A - Device for rendering harmless the action of the minimum residual resistance of the carbon columns of the carbon pressure voltage regulators : en fr
  • CA340261A - Transparent film : en fr
  • CA340279A - Wire wheel spoke : en fr
  • GB407559A - Improvements in and relating to phials : en
  • GB407556A - Improvements in and relating to stop-valves for hydrants and the like : en
  • US1951761A - Mechanical tire chain applier : en
  • DE594509C - Device for cleaning carpets u. Like. By means of cleaning fluid and a brush while simultaneously sucking off the resulting fumes : de en
  • DE594723C - Switching device for flat weft knitting machines : de en
  • FR761650A - Process for increasing the dyeing capacity of cellulose fibers : en fr
  • DE594716C - Radiator with heating pipes rolled into a lid-shaped collecting container for the drum, indirectly heated high-pressure heat exchanger : de en
  • CA340235A - Magnetic material : en fr
  • CA340226A - Relay protective system : en fr
  • DE594725C - Spring-loaded truss with adjustable tension : de en
  • DE594874C - Remote indicator with pressure medium transmission for power machines : de en
  • GB407719A - Improvements in or relating to pressure adjustments for cylinders of printing and other machines : en
  • USD91779S - Design for a textile fabric : en
  • DE594839C - Machine for the production of compressed and packaged fish and other edible portions : de en
  • GB407473A - Method of introducing substances of low melting point into hollow bodies, such as the valve stems of internal combustion engines for heat conducting purposes : en
  • GB407666A - Improvements in and relating to methods and apparatus for bringing into step two electromagnetic oscillations : en
  • DE594660C - Shake mixing vessel : de en
  • FR761618A - Hauling mechanism for mining machines : en fr
  • GB407956A - Improvements in organic lubricants especially with regard to the lowering of the setting point of lubricating oils : en
  • FR761415A - Shaker forming packaging for powdered sugar : en fr
  • DE594590C - Muffler for internal combustion engines : de en
  • GB407613A - Improvements in and relating to potato harvesters : en
  • GB407709A - Improvements in or relating to solutions, compositions, preparations and articles having a basis of cellulose derivatives : en
  • IE12719L - Liquid meters : en
  • DE594876C - Fabric edge reduction device for sewing machines : de en
  • GB407710A - Improvements in or relating to the production or treatment of artificial filaments, threads, yarns, ribbons and the like : en
  • US1951713A - Production of hydrocarbons of low boiling point from those of higher boiling point : en
  • US1951616A - Hair curling device : en
  • FR761486A - Colored filter toilet mirror : en fr
  • DE594592C - Device for adjusting the distance of cameras, in particular roll film cameras : de en
  • DE594786C - Light liquid separator : de en
  • FR761611A - New vat dyes and their manufacturing process : en fr
  • US1951576A - Brush protecting device : en
  • US1951734A - Stretching frame : en
  • US1951989A - Spark intensifier for spark plugs : en
  • GB407480A - Improved device for cutting wool and similar material into relatively small predetermined lengths : en
  • GB407731A - Improvements relating to apparatus for and methods of drying coal and other granularmaterials : en
  • FR761679A - Sound reproduction device : en fr
  • FR761520A - differential gear exhaust : en fr
  • FR761680A - Improvements in tailgating shoes and machines used for this purpose : en fr
  • GB407529A - Improvements in or relating to oscillatory systems suitable for use for wireless signalling and similar purposes : en
  • CA340119A - Display cover : en fr
  • US1951756A - Mechanical movement : en
  • US1951927A - Power jet timing mechanism : en
  • CA340121A - Trousers press : en fr
  • CA340302A - Tuning device : en fr
  • DE594789C - Process for briquetting brown coal : de en
  • DE594897C - Jigging machine with side concentrate discharge : de en
  • DE594992C - Folding glasses : de en
  • FR761497A - Improvements to centrifuges with automatic bowl emptying : en fr
  • US1951562A - Picker stick mechanism : en
  • US1951855A - Heater : en
  • GB407490A - Improvements in or relating to machines for steaming textile fabrics : en
  • CA340131A - Garment shield : en fr
  • US1951349A - Normalizer control : en
  • US1951635A - Dark-field condenser for microscopes : en
  • DE594714C - Rolling mill cleaning device : de en
  • US1951792A - Process for hydrogenating hydrocarbon oils : en
  • US1951871A - Automobile accessory : en
  • US1951721A - Metal swaging machine : en
  • DK48542C - Device for Comparing Leaves with Holes. : da en
  • GB407587A - Improvements in or relating to mounting arrangements for cathode ray tubes : en
  • US1951382A - Security bag : en
  • US1951569A - Apparatus for treatment with light rays : en
  • CA340293A - Olefine acetylating process : en fr
  • US1951508A - Barber chair : en
  • US1951622A - Artificial limb : en
  • FR761468A - Percussion fuze with percussion mechanism arranged in a mobile crew : en fr
  • CA340117A - Book holder : en fr
  • DE594710C - Adjustable hollow friction cone for reversing clutches of automatic swivel arms : de en
  • US1951447A - Process of and apparatus for refrigeration : en
  • US1951505A - Electrically driven child's auto : en
  • FR761594A - Reinforced cement septic tank : en fr
  • GB407428A - Improvements in or relating to windscreen wipers : en
  • GB407562A - Improved method of lining metal pipes : en
  • FR761459A - Knitting process and resulting industrial product : en fr
  • GB407931A - Improvements in or relating to turning lathes : en
  • DE594815C - Electrical insulating material : de en
  • DE594935C - Release device for photographic camera shutters : de en
  • FR761663A - Improvements to escalators : en fr
  • GB407544A - Improvements in and relating to folding screens : en
  • GB407714A - Improvements in and relating to electric converting apparatus : en
  • FR761469A - Process for manufacturing electrode plates intended to be formed by the planted method : en fr
  • FR761620A - Process for the production and control of electronic flows : en fr
  • GB407383A - Improvements relating to photo-electric cells : en
  • DK48523C - Footwear Unloading Machine. : da en
  • US1951561A - Gift-wrapping assembly : en
  • US1951896A - Photographic camera : en
  • FR761471A - Improvements to the twine container in the binders : en fr
  • FR761683A - Gasifier for diesel and other heavy fuels, applicable to internal combustion engines : en fr
  • GB407517A - Improvements in or relating to means for preventing unauthorised use of automobiles : en
  • DE594544C - Device for stacking and bundling briquettes : de en
  • CA340324A - Petroleum hydrocarbon testing process : en fr
  • GB407446A - Improvements relating to stenter clip chains : en
  • GB407581A - Improvements in and relating to electric torches and flash lamps : en
  • AU1301333A - Improvements in crystallizers : en
  • CA340259A - Locomotive : en fr
  • US1951615A - Toy grease rack : en
  • AU1259633A - Apparatus for magnetically recording and reproducing sound : en
  • DE594539C - Clamping device for holding an upper leather stretched over a last : de en
  • GB407508A - Improvements in and relating to machines operating with a flow of impelling or impelled fluid : en
  • GB407398A - Improvements in or connected with amplifying circuits employing thermionic valves : en
  • GB407504A - An improved case : en
  • GB407954A - Improvements in or relating to devices for excavating, hauling, loading and like purposes : en
  • US1951436A - Meat curing method : en
  • US1951534A - Hopper closure for stokers : en
  • US1951486A - Dispensing machine : en
  • DE594918C - Device for converting high voltages through spark transfer between two electrodes : de en
  • CA340167A - Shipping carton : en fr
  • FR761622A - Improvements made to two-stroke engines comprising, for each engine cylinder, an air supply pump, not integral with the engine piston, in particular to internal combustion engines : en fr
  • DE594955C - Electrical switch in which the arc is extinguished by a jet of compressed gas : de en
  • GB407620A - Improvements in screw thread cutting taps : en
  • AU1351533A - Improvements in and relating to catalysts : en
  • CA10258S - Hand operated loom : en
  • US1951642A - Collapsible flowerpot : en
  • US1951913A - Shoe making : en
  • CA340288A - Pipe fitting : en fr
  • US1951826A - Electric mincer : en
  • US1951869A - Work holding device : en
  • CA340130A - Coating composition : en fr
  • FR761485A - Device for articulation and locking of parts one on the other allowing the folding of said parts against each other or their holding in place when they are unfolded : en fr
  • US1951701A - Cultivating implement : en
  • DE594218C - Method for manufacturing a superheater element : de en
  • AU1134133A - Improvements in binding arrangements for sheets or leaflets : en
  • US1951337A - Educational appliance : en
  • CA340311A - Glass drawing off device : en fr
  • US1951578A - Oscillograph galvanometer : en
  • CA340168A - Shipping carton : en fr
  • FR761479A - Improvements to automotive sweepers : en fr
  • FR761574A - Method of adjusting carburetors for internal combustion engines : en fr
  • CA340116A - Hair former : en fr
  • US1951661A - Means for applying a trimming condenser to a main condenser : en
  • US1951955A - Air filter : en
  • DE594607C - Cartridge case drawn from one piece : de en
  • US1951462A - Scraping means for sewage disposal plants : en
  • US1951819A - Process for purifying gases for ammonia syntheses : en
  • US1951529A - Cutting roller for paper and the like : en
  • CA340331A - Brake : en fr
  • DE594718C - Device for drying insulated lines that have been soaked with lacquer after being wrapped : de en
  • GB407633A - Improvements in or relating to blading for centrifugal pumps and other machines having rotors with blades co-operating with flowing fluids : en
  • CA340231A - Remote indicating system : en fr
  • US1951609A - Hose supporter : en
  • CA340265A - Knitted fabric : en fr
  • CA340271A - Machine frame : en fr
  • CA340187A - Television receiver : en fr
  • CA340212A - Electrical translating device : en fr
  • US1952036A - Container : en
  • CA340199A - Electrical transmission system : en fr
  • CA340218A - Folding device : en fr
  • CA340189A - Lathe : en fr
  • US1951359A - Portable explosion turbine plant without atmospheric recooling : en
  • US1951946A - Guide roller : en
  • AU1296833A - Improvements in or relating to machines for manure sowing orthe like : en
  • US1951421A - Wall structure : en
  • US1951789A - Production of acetic acid : en
  • FR761619A - : fr
  • US1951762A - Film advancing mechanism for motion picture apparatus : en
  • CA340125A - Tire boot : en fr
  • DE594961C - Injection carburetor : de en
  • FR761593A - Junction box : en fr
  • DE594636C - Electric light tubes in which one or more wire-shaped, metal auxiliary electrodes are located : de en
  • DE594568C - Small lever switch : de en
  • FR761528A - Improvements in the manufacture of ampoules intended for injections of serums and hypodermic solutions, to facilitate the expulsion of said liquids : en fr
  • DE594662C - Safety razor with a clamping plate hinged to the adjusting rod : de en
  • CA340241A - Balance coil : en fr
  • DE594868C - Mailbox : de en
  • DE594715C - Display device for rolling mills : de en
  • FR761654A - Method and apparatus for the production of sheets, films, plates or the like, of large width : en fr
  • FR761531A - wire winding case : en fr
  • GB407933A - Improvements in or connected with modulating or frequency changing systems for radiosignalling and like purposes : en
  • US1951953A - Spring expanding device : en
  • US1952031A - Power factor correction : en
  • DK48538C - Procedure and Device for the production of longitudinally creped paper. : da en
  • FR761590A - Pivoting glass forming side windshield for automobiles : en fr
  • US1951623A - Vehicle wheel : en
  • US1951849A - Periscope head : en
  • US1952006A - Automatic razor blade etching machine : en
  • DE1293889U - : de en
  • GB407595A - Improved switch applicable for use in regulating electrical appliances, such as hot plates, heaters and the like : en
  • DK48535C - Control device for Fuel Pumps. : da en
  • FR761652A - One-handed, self-filling, valve-less syringe : en fr
  • USD91754S - Design for lace : en
  • US1951884A - Folding table : en
  • FR761525A - Edible knife : en fr
  • FR761621A - : fr
  • US1951550A - Perch for bird cages : en
  • US1951816A - Synchronical signal system : en
  • US1951541A - Assembly lock for cabinet heaters : en
  • US1951684A - Continuous pulp selector : en
  • DE594597C - Anchors, especially for aircraft and watercraft : de en
  • DE594602C - Device for uncorking bottles : de en
  • FR761491A - Devices for the transport of grain in bulk and their reception in meshing pits or their silage by means of corresponding openings : en fr
  • GB407434A - Improvements in or relating to mechanism for collecting and delivering sheets of paper, cardboard and the like : en
  • US1951338A - Gun carriage : en
  • GB407439A - An extra air admission device for the induction systems of internal combustion engines : en
  • GB407592A - Improvements in or relating to methods for the electrical signalling of instrument readings : en
  • USD91765S - Design for a pocket clip for pens : en
  • DE594817C - Vehicle headlights with electric gas or steam lamps : de en
  • DE594829C - Articulated boiler with a prefabricated filling shaft : de en
  • GB407610A - Improved receptacle filled with a liquid jelly or viscous substance, adapted for use as a syringe : en
  • DE594536C - Device equipped with various tools for opening cans, bottles, etc. like : de en
  • DE594737C - Braking device, especially for motor vehicles : de en
  • IE13417L - Printing : en
  • DE594578C - Winding rod for the steep winder of a permanent hair wave device with a lock at the top : de en
  • DE594698C - Process for the preparation of planographic printing plates, in which the areas of a Drako layer exposed by washing out an exposed colloid layer print : de en
  • US1952038A - Process of extruding sheet material : en
  • FR761592A - Headlight enhancements for vehicles : en fr
  • US1951355A - Colloidal bromine and process of making the same : en
  • CA340249A - Water heater : en fr
  • US1951499A - Table : en
  • US1951620A - Decalcomania paper : en
  • US1951346A - Partition construction : en
  • US1951556A - Bobbin and method of making the same : en
  • US1951830A - Chromium compound of azo dyestuffs : en
  • US1951637A - Starting mechanism for internal combustion motors : en
  • US1951658A - Hair curler : en
  • CA340223A - Gas electric car torque : en fr
  • CA340177A - Furnace recuperator for producer gases : en fr
  • GB407524A - Process for the direct compression of media in the form of gas or vapour with the aid of a medium which is in the form of a gas or vapour and has already been compressed : en
  • GB407505A - Improvements in chain shifting devices for cycles : en
  • DE594657C - Advertisement display device, particularly for motor vehicles : de en
  • DE594848C - Process for the production of floor coverings from a plurality of pieces of plush fabric : de en
  • DE594274C - Device for connecting the ends of pipes lying inside one another : de en
  • FR761453A - New textile product : en fr
  • FR761484A - Electric contact release device with automatic stop adaptable to electric clock movements : en fr
  • CA340318A - Strainer : en fr
  • GB407553A - Improvements in means for supplying air to liquid fuel furnace : en
  • DE592009C - Kuebelwagen : de en
  • US1951544A - Self-sealing tube : en
  • GB407499A - Improvements in or relating to shoes for sports wear : en
  • FR761407A - Bracelet clasp : en fr
  • DE594651C - Purification of nickel : de en
  • DE594788C - Process for the hardening of coating compounds produced from synthetic or natural resins which can be hardened by heat, especially for fermentation and storage vessels in the fermentation industry : de en
  • CA340211A - Copper oxide rectifier : en fr
  • US1951813A - Muffler construction : en
  • CA340334A - Snow fence : en fr
  • DE594679C - Steaming device for traveling ovens : de en
  • DE594781C - Metal construction kit : de en
  • DE594912C - Device for pressure relief for extinguishing chambers of liquid switches : de en
  • US1951631A - Automobile seat cover : en
  • USD91788S - Design fob a combination ash tray : en
  • US1951577A - Production of mono and dichlor isomers of diphenyl : en
  • US1951579A - Heat accumulator : en
  • US1951752A - Boiler economizer : en
  • CA340262A - Furfuryl xanthate : en fr
  • GB407704A - Devices for converting or translating acoustic energy into electric energy and vice versa : en
  • CA340214A - Elevator brake : en fr
  • CA340323A - Electro-optical system : en fr
  • US1951973A - Illuminated game board : en
  • DE594814C - Receiving device : de en
  • DE594697C - Internal combustion engine with piston air pump : de en
  • FR761476A - Profile for metal construction : en fr
  • GB407395A - Improvements in or relating to hard metal compositions : en
  • GB407597A - Improvements in and relating to draught and rain excluders for doors and the like : en
  • US1951441A - Soldering apparatus : en
  • US1951714A - Method of and apparatus for making paper : en
  • US1951363A - Brake drum : en
  • US1951660A - Adjustable supporting bar : en
  • US1951694A - Manufacture of vari-colored ice cream and like frozen food products : en
  • US1951810A - Joist structure : en
  • US1951481A - Antifriction bearing : en
  • CA340141A - Ventilator : en fr
  • DE594596C - Storm protection for tethered balloons : de en
  • CA340118A - Hair drier : en fr
  • US1951702A - Control device : en
  • USD91786S - Design for a carafe holder : en
  • DE594542C - Device for wet twisting, finishing, oiling or sizing of threads for two-for-one twisting spindles : de en
  • GB407681A - Improvements in or relating to sewing machines : en
  • DE594729C - Metal composite window consisting of two rolled profiles : de en
  • GB408228A - Improvements in or relating to motor road vehicles : en
  • DE594949C - Process for cleaning water, in particular waste water, with the separation of components contained therein : de en
  • FR761596A - Improvement to doors or panels : en fr
  • US1951480A - Laundry marker attacher : en
  • US1951520A - Process of producing hydrocyanic acid : en
  • US1951356A - Colloidal bromide and process of making the same : en
  • US1951778A - Metallic partition structure : en
  • US1951618A - Method of making rubber sponge : en
  • CA340309A - Oil sweetening process : en fr
  • FR761635A - Device for traffic control : en fr
  • US1951975A - Air chamber rubber shoe heel : en
  • US1951490A - Switch : en
  • US1951553A - Automatic sand controls for track sanding : en
  • US1951671A - Glass run channel structure : en
  • CA340135A - Reciprocatory pump apparatus : en fr
  • CA340297A - Fluorescent screen forming method : en fr
  • US1951957A - Fruit packer : en
  • US1951348A - Method of cross-rolling : en
  • DE594635C - Closed metal halide lamp : de en
  • DE594921C - Jacquard petinet device for flat knitting machines : de en
  • GB407427A - Improved device for preventing down draughts in chimneys, ventilating shafts, and the like : en
  • GB407669A - Manufacture of compositions containing solid-gelled oils : en
  • US1951398A - Hydraulic jack : en
  • US1951818A - Oil burner : en
  • US1951451A - Ballast cleaning machine : en
  • CA340310A - Alkyl hypohalite manufacture : en fr
  • US1951465A - Echo suppressor : en
  • DE594429C - Device to prevent damage to commutators in electrical machines as a result of excessive brush wear : de en
  • DE594886C - Stove burner for liquid fuels : de en
  • GB407532A - Improvements in or relating to electric motors : en
  • DE594571C - Method and device for converting electrical currents : de en
  • DE594925C - Elastic, double-legged clamp clasp for fixing hair pieces, curved according to the shape of the head : de en
  • DE594995C - throttle : de en
  • GB407701A - Improvements in or relating to apparatus for delivering measured quantities of liquid : en
  • US1951563A - Self contained ph indicating drug : en
  • DE594549C - Gravel filter for pipe wells : de en
  • GB407421A - Improvements in means for operating a plurality of electric switches by a single operating member : en
  • GB407386A - Improvements in capsules for stopping bottles and the like : en
  • US1951782A - Process for making esters of acrylic acid : en
  • US1951527A - Combination tourist and picnic bag and blanket : en
  • US1951425A - Household furnace stoker : en
  • US1951495A - Light control system : en
  • US1951693A - System for colored cinematographic projection by addition synthesis : en
  • US1951994A - Process for the preparation of artificial silk : en
  • CA340221A - Electrical distribution system : en fr
  • CA340162A - Dental polishing cup : en fr
  • CA340290A - Joint : en fr
  • US1951959A - Piston and ring construction : en
  • US1951784A - Process of preparing esters : en
  • DE594940C - Safety device on motor vehicles in which the throttle valve is closed and the brakes are applied one after the other by stepping down a common foot lever : de en
  • US1951430A - Printing apparatus : en
  • AU1134433A - Improvements in or relating to thermionic valve circuit arrangements : en
  • FR761463A - Method and device for the impregnation of electric cables : en fr
  • GB407479A - Improvements in artificial spinning bait : en
  • GB407665A - Improvements in or relating to the treatment of coal and like materials : en
  • GB407641A - Improvements in and connected with cramps for assembling window and like frames : en
  • CA340133A - Safety cargo hook : en fr
  • AU1357833A - Improvemeats in and connected with a method and means for joining and fastening wire bound boxes and crates : en
  • DE594670C - Device for mechanical recovery : de en
  • DE594861C - Anesthetic equipment : de en
  • USD91777S - Design for a tire : en
  • FR761438A - Industrial devices and apparatus for the detection, control and analysis of gases and gas mixtures and of fumes and dust in suspension in these gases : en fr
  • USD91773S - Design fob a bucgle : en
  • CA340264A - Centrifugal casting method : en fr
  • CA340305A - Amplifier input system : en fr
  • DK48533C - Savings machine for radios, vacuum cleaners and the like. : da en
  • DE1295643U - : de en
  • GB407460A - Improvements relating to road coverings and the production thereof : en
  • US1951513A - Stranding, cabling, ropemaking, and lapping machine : en
  • CA340333A - Imitation fire : en fr
  • US1951981A - Electrical connection : en
  • DE594957C - Process for refining silicon-containing copper alloys : de en
  • FR761504A - Progressive and automatic speed variation transmission device : en fr
  • GB407630A - Improvements in sanitary mattresses : en
  • GB407683A - Improvements relating to doors for garages and like structures : en
  • FR761681A - Method for combating winds caused by depressions in general and in particular caused by cyclonic depressions, typhoons, waterspouts, tornadoes or other similar phenomena : en fr
  • US1951457A - Universal framework : en
  • GB407527A - Improvements in or relating to pencil sharpeners : en
  • FR761562A - Process for the production of multi-pole, bell-shaped permanent magnets for small lighting dynamos : en fr
  • FR761514A - Manufacturing process for latex-based adhesives : en fr
  • FR761508A - Method and device for coating cables for high and low current currents with a sheath of aluminum or its alloys : en fr
  • US1951911A - Mold for castings of iron and nonferrous metals : en
  • US1951722A - Wire drawing machine : en
  • DE594674C - Playback device for sound film or pure sound film : de en
  • US1951787A - Method and apparatus for countercurrent treating : en
  • GB407550A - A closure for cams and like receptacles : en
  • GB407628A - Improvements in electric switch devices for the control of pneumatic machines : en
  • CA340220A - View transmitting system : en fr
  • GB407429A - Improvements in pressure-controlling valves : en
  • US1951667A - Toaster : en
  • DE594557C - Non-knocking engine propellants : de en
  • FR761673A - Improvements made to typewriter exhaust mechanisms : en fr
  • FR761633A - Improvements to razor blades and other ironing devices : en fr
  • US1951582A - Handkerchief fabric : en
  • US1951964A - Tool for sanding, rubbing, or polishing surfaces : en
  • DE594751C - Process for the fluorination of solid aliphatic halogen compounds : de en
  • FR761551A - Method of manufacturing combustible bodies : en fr
  • GB407667A - Improvements in braking devices : en
  • DE594665C - Automatic cutting device for brick extrusion presses : de en
  • DE594869C - Orientation bus : de en
  • FR761483A - Method for pneumatic or hydraulic transmission of measured values : en fr
  • DE594615C - Glass melting furnace with separate working and storage openings : de en
  • DE594870C - Method and device for automatic setting of the contact counters in devices for non-stop playback of several records that belong together : de en
  • FR761460A - Ferroalloys deoxidation process : en fr
  • FR761682A - Riveuse : en fr
  • GB407512A - Carburetter for internal combustion engines : en
  • GB407991A - Improvements in or relating to clutch-controlling devices for motor vehicles : en
  • FR761507A - Vibrating device for air horn : en fr
  • GB407432A - Improvements in gear and like cases : en
  • US1951475A - Device for the connecting of branch wires on power current lines : en
  • FR761428A - Tipping dumper : en fr
  • GB407476A - Improvements in or relating to electric tumbler switches : en
  • GB407932A - Improvements in means for stiffening soft and semi-stiff collars : en
  • GB407410A - An improved crank drive for pumps : en
  • GB407548A - Improvements in or relating to change speed gearing : en
  • GB407646A - Fasteners for bags : en
  • GB407951A - Improvements in or relating to electric circuits for television systems : en
  • FR761670A - : fr
  • DE594704C - Screening device for plate dryer : de en
  • DE594914C - Leonard drive for reciprocating motion, especially for planing machines : de en
  • US1951719A - Can seaming machine : en
  • US1952030A - Automatic clock winding mechanism : en
  • GB407961A - Improvements in collapsible containers such as packing cases : en
  • GB407511A - Carburetter for internal combustion engines : en
  • DE594624C - Process for the wet mechanical processing of hard coal : de en
  • GB407686A - Improvements in or relating to wrapping machines : en
  • FR761585A - Apparatus intended for squeezing substances containing juices or juices or which must be crushed : en fr
  • GB407509A - Improvements in the manufacture of cellulose esters : en
  • FR761692A - Device for locking the steering of an automobile : en fr
  • DE594594C - Vessel filled with fluid moved by air for processing photographic film supports : de en
  • DK48539C - Centrifugal separator. : da en
  • DE594946C - Sliding window, the leaves of which are in the closed position in a common plane : de en
  • FR761549A - Improvements to filters for liquids such as fuels : en fr
  • FR761599A - Preparation for weed destruction : en fr
  • GB407571A - Electric razors and blades therefor : en
  • GB407536A - Annealing and pickling plant : en
  • DE594911C - Circuit arrangement for telephone systems with dialer operation : de en
  • DE594768C - Formwork support for shuttering concrete ceilings or similar components : de en
  • DE594905C - Method and device for cementing steel and iron : de en
  • DE594642C - Tools for medical purposes : de en
  • DE594864C - Spice shaker : de en
  • GB407472A - Improved method of and means for producing hollow billets for hollow drills and the like : en
  • DE594928C - Piston engine, in particular internal combustion engine : de en
  • DE594854C - Method and device for testing the insulation of trolleybuses : de en
  • US1951662A - Accessory stand : en
  • US1951969A - Curtain bracket : en
  • DE594806C - Preservation of peroxide solutions : de en
  • DE594970C - Pressure rollers : de en
  • FR761647A - Improvements made to power line transmission systems : en fr
  • GB407702A - Improvements in or relating to the manufacture of sulphuric acid esters of leuco derivatives of vat dyestuffs : en
  • USD91761S - Design for an alphabet for forming : en
  • GB407401A - Improvements in or relating to automatic frequency regulating arrangements for alternating current supplies : en
  • GB407507A - Improvements in or relating to refuse collecting and other receptacles : en
  • GB407417A - Improvements in or relating to a method of treating trees : en
  • DE594972C - Procedure and device for bright annealing : de en
  • GB407514A - Improvements in or relating to stop motions of textile apparatus : en
  • FR761540A - Advanced slipper and its manufacturing process : en fr
  • GB407419A - Improvements in or relating to slings or harness arrangements for affording support for injured shoulders : en
  • DE594648C - Flux for melting beryllium and beryllium alloys : de en
  • GB407726A - Improvements in or relating to rotary brushes : en
  • FR761623A - New Water Insoluble Mono-Azo Dyes and Method of Preparation : en fr
  • GB407449A - Improvements in or relating to the treatment of textile materials : en
  • US1951727A - Method of repairing rail joints : en
  • US1951937A - Surgical belt : en
  • AU1205133A - Improvements in and connected withthe sterilization ofthe atmosphere of rooms or enclosed spaces : en
  • DE594971C - Continuously acting resorption machine : de en
  • US1951960A - Combination adjustable chair and easel : en
  • CA340148A - Lampshade : en fr
  • US1951393A - Surgical knife : en
  • US1951649A - Crank case flushing apparatus : en
  • AU1176333A - Improvements in combs for sheepshearing machines : en
  • DE594685C - Aircraft receiver arrangement for landing in poor weather using the glide slope method : de en
  • US1951484A - Liquid filter : en
  • US1951351A - Control : en
  • DE594620C - Device for the mechanical movement of shut-off devices for tensioned or heated media : de en
  • DK48516C - Light advertising device. : da en
  • CA340307A - Oil fractionating apparatus : en fr
  • DE557215C - Device for pasteurizing liquids, especially milk : de en
  • US1951743A - Method of producing a prepared breaking point in ampulle : en
  • US1951783A - Instrument board lighting device : en
  • US1952026A - Refrigerant receptacle : en
  • US1951683A - Oil-purifying apparatus for hydrocarbon engines : en
  • US1951528A - Pull-cord lock : en
  • US1951560A - Expansion mechanism for oil heating systems : en
  • GB407525A - Improvements in or relating to bathing and swimming costumes or similar apparel for sunbathing and like purposes : en
  • GB407631A - Cleaning instrument : en
  • FR761668A - Fuel gas manufacturing process : en fr
  • US1951370A - Welt sewing machine : en
  • US1951745A - Process and apparatus for bleaching fabrics in open width condition : en
  • DE594669C - Mechanical calendar : de en
  • DE594919C - Electrode for electric ovens consisting of individual burnt carbon segments and an unfired core : de en
  • FR761424A - Steering wheel for automobiles : en fr
  • GB407438A - Improvements in sound amplifiers : en
  • GB407659A - Wood cases for fillings and shuttering for reinforced concrete ribfloors and as building material for ceilings, walls, roofs and shuttering : en
  • GB407510A - Change speed gearing for vehicles : en
  • DE561059C - Engaging and disengaging device for presses, punching and similar machine tools : de en
  • FR761584A - Sail plane, without engine : en fr
  • FR761606A - : fr
  • GB407451A - Improvements in barometers and like instruments : en
  • DE594702C - Method of filling boreholes : de en
  • DE594551C - Process for the preparation of alkyl chlorides or bromides : de en
  • US1951898A - Clothesline tightener and pole holder : en
  • US1951948A - Joint or attachment of parts in engines and the like : en
  • US1951367A - Pneumatic dispatch tube apparatus : en
  • GB407637A - Improvements in weld-rods : en
  • FR761487A - Improvements to secondary batteries or electric accumulators : en fr
  • FR761492A - Vehicle fire protection device in the event of an impact or overturn : en fr
  • GB407461A - Improvements in and relating to the production of cheese : en
  • GB407522A - An improved method of and apparatus for the manufacture of asphalt : en
  • GB407599A - Improvements in and relating to mica condensers : en
  • US1951904A - Liquid circulating device : en
  • FR761572A - High frequency coil : en fr
  • US1951459A - Trolley slide : en
  • US1951464A - Aircraft : en
  • US1951688A - Safety razor : en
  • US1951932A - Grid-forming mechanism : en
  • FR761632A - Process for the treatment of distillable carbonaceous materials by means of hydrogenating gases : en fr
  • GB407530A - Improvements in or relating to radiators for aircraft engines : en
  • GB407598A - Improvements in and relating to holders for arc welding electrodes : en
  • DE594866C - Typewriter case : de en
  • DE594893C - Method of dressing seeds : de en
  • DE594756C - Alarm clock designed as a clockwork timer : de en
  • FR761595A - Hand-operated mechanical propulsion device applicable to watercraft : en fr
  • FR761677A - Automotive brake lining shear : en fr
  • FR761685A - Nitrogenous condensation products : en fr
  • FR761418A - Double trigger mechanism for firearms : en fr
  • DE594774C - Boots with overlapping locking tabs : de en
  • GB407698A - Improvements in or relating to the manufacture of cigarettes : en
  • DE594720C - Circuit for generating high voltages using several transformers : de en
  • FR761684A - Simplified assembly process for metal gabions or similar meshed or perforated items : en fr
  • GB407453A - Improvements in and relating to drying apparatus : en
  • FR761510A - projection screen : en fr
  • GB407988A - Improvement in process of producing concentrated fertilizer : en
  • DE594637C - Electric cooking and heating device with heating conductors, which are arranged in mutually movable, self-contained and rigid heating elements : de en
  • US1951895A - Stair : en
  • US1951763A - Controls for boiler installations : en
  • GB407634A - Improvements in centrifugal separators : en
  • GB407402A - Improvements in or relating to pumps for use with tar and other liquids : en
  • US1951717A - Decorative device : en
  • US1951776A - Scalp treating apparatus : en
  • DK48537C - Reinforced concrete connecting body. : da en
  • US1951533A - Television apparatus : en
  • DE594707C - Switching device for conveyor drums : de en
  • DE594754C - Flush box : de en
  • FR761675A - Motor vehicle trailer : en fr
  • DE594741C - Schuettelrutsche, especially with vibrations over 600 / min. and oscillation amplitudes below 1 cm : de en
  • DE594532C - Motorless airplane with swinging wings : de en
  • DE594561C - Packing for filter media made of active carbon : de en
  • FR761503A - Improvements made to the means for filling tubes with a pasty material, in particular tubes which have to constitute elements of constructions or works of art : en fr
  • GB407506A - Improvements relating to steam traps : en
  • US1951781A - System for electrical transmission and reception of pictures, documents, and the like : en
  • GB407466A - Improvements in or relating to carriers for garments and the like : en
  • FR761472A - Triggers for the binder device in binder harvesters : en fr
  • FR761636A - Electric current receiver for remote control of devices particularly insensitive to interference currents : en fr
  • DE594722C - Oil burner with a bowl-shaped atomizer that is driven by an electric motor and revolves around a vertical axis : de en
  • US1951724A - Automotive transmission equipment : en
  • US1951435A - Method of and apparatus for testing electrical conductors : en
  • US1951674A - Upholstered seat construction : en
  • US1951460A - Valve stem : en
  • US1951555A - Polishing grain and surface treatment of same : en
  • FR761542A - Separator for electric accumulators and its manufacturing process : en fr
  • DE594628C - Process for the production of vessels, namely limbs for heat exchange apparatus : de en
  • DE594823C - Water supply for water-cooled centrifugal casting machines : de en
  • US1951345A - Transmission mechanism : en
  • DK48531C - Metallic pavement for roads and the like. : da en
  • US1951670A - Channel : en
  • US1951735A - Machine for screening gin trash : en
  • FR761432A - Continuous lubrication device for idler pulleys : en fr
  • CA340222A - Elevator door operating system : en fr
  • CA340301A - Electron discharge device : en fr
  • FR761579A - Method and device for automatic temperature control inside railway wagons : en fr
  • GB407391A - Improvements in or relating to screw cutting lathes : en
  • US1951968A - Device for the tightening of radiators : en
  • GB407520A - Process and apparatus for liquid treatment of hats and analogous articles : en
  • US1951962A - Cooler : en
  • US1951839A - Riveting device : en
  • US1951536A - Variable drive mechanism : en
  • US1951650A - Pyrometer and casing therefor : en
  • US1951537A - Means for extracting fittings : en
  • US1952016A - Condiment container : en
  • US1951766A - Method and apparatus for treating sheets : en
  • US1951498A - Receptacle : en
  • US1951965A - Flooring : en
  • GB407492A - Improved manufacture of shrinkable bottle caps or the like : en
  • FR761639A - Improvements to the coloring of materials : en fr
  • DE594898C - One-piece plate-shaped holder for socks and socks : de en
  • US1952024A - Educational apparatus : en
  • US1951861A - Process of wax purification : en
  • FR761498A - Process for manufacturing pastry pieces called assembled pieces : en fr
  • GB407662A - Improved contrast product for observations upon bodies which are transparent to x-rays : en
  • GB407558A - Improvements in and relating to pivoted joints : en
  • US1951634A - Roof frame : en
  • US1951808A - Gaseous conduction apparatus : en
  • US1951388A - Multispeed clutch and transmission mechanism : en
  • CA340228A - Elevator governor : en fr
  • GB407617A - Improvements in or relating to means for discharging furnace residues : en
  • US1951433A - Safety attachment for printing presses : en
  • FR761589A - Emptying of condensed milk cans by air compression or suction : en fr
  • GB407394A - Improvements in apparatus for washing crockery, cutlery and the like : en
  • US1951518A - Production of solid urea or products rich in urea : en
  • US1951916A - Printing telegraph exchange system : en
  • US1951967A - Warp tension equalizer : en
  • DE594736C - Cardan joint, especially for small motor vehicles : de en
  • DE594835C - Device for evenly compressing several threads to be twisted together : de en
  • FR761475A - Improvements in the manufacture of aliphatic anhydrides : en fr
  • DE593625C - One or two-sided track brake with horizontally movable brake arms : de en
  • GB407488A - Improvements in or relating to electromagnetic step-by-step selectors : en
  • DE594783C - Device for regulating the outflow of water when the pressure in the pipe changes : de en
  • DE594941C - Hydraulic braking device for motor vehicles : de en
  • DE594664C - Process for applying films made of hydrate cellulose to all kinds of substrates : de en
  • FR761535A - Razor and razor blade enhancements : en fr
  • FR761573A - Assembly sleeve : en fr
  • FR761614A - Process of halogenation of organic fluids : en fr
  • USD91766S - Design fob a kettle ob similab : en
  • CA340330A - Wrench : en fr
  • US1951411A - Shearing apparatus : en
  • GB407481A - Improvements in or relating to devices for use in grinding poppet valves : en
  • CA340155A - Coal washing machine : en fr
  • DE594644C - Holy water dispenser : de en
  • FR761608A - Cliché selection device in address printing machines : en fr
  • CA340196A - Cooking utensil : en fr
  • USD91767S - Design for a shoe : en
  • US1951995A - Balance-wheel for watches and other horological instruments : en
  • US1951511A - Process of making soap : en
  • US1951919A - Electric submergible pump unit : en
  • CA340147A - Ice saw device : en fr
  • US1951605A - Bread slicing machine and take-off therefor : en
  • CA340200A - Demand meter : en fr
  • US1952023A - Furnace : en
  • US1952018A - Auxiliary sash construction : en
  • US1951754A - Adjustable standard : en
  • US1951943A - Method of producing printing images : en
  • GB407393A - Improvements relating to automatic weighing apparatus : en
  • GB407639A - Vane water meter : en
  • IE13132L - Trailer couplings : en
  • DE594529C - Hollaender for grinding fibers for paper and cardboard production : de en
  • GB407573A - Improvements in or relating to the manufacture of composite films : en
  • DE594604C - Device for applying sealing wax : de en
  • US1951632A - Drain controls for sewers and the like : en
  • FR761524A - Process for the treatment of materials containing vanadium : en fr
  • GB407576A - Change-speed gear mechanism : en
  • IE12539L - Metal lined casks : en
  • CA340209A - Electric illuminating apparatus : en fr
  • FR761522A - Method and apparatus for the continuous magnification of crystals : en fr
  • CA340184A - Tandem power press : en fr
  • US1951707A - Attachment for projectors : en
  • GB407415A - Improvements appertaining to cranes, windlasses and like loadraising or elevating mechanism : en
  • US1951392A - Manufacture of balls : en
  • US1951516A - Means for securing buttons to work : en
  • US1951482A - Alternating current power reserve system : en
  • DE594599C - Band brake for agricultural machinery : de en
  • US1951764A - Drive chain : en
  • CA340285A - Oscillation tube generator : en fr
  • DE594721C - Process for the preparation of condensation products of the anthraquinone series : de en
  • GB407443A - Improved heat-insulated container for storing perishable commodities and closing means therefor : en
  • GB407496A - Improvements in and relating to rotary drums for cooling fatty substances, especially margarine emulsions : en
  • GB407926A - Improvements relating to cinematograph apparatus : en
  • US1952013A - Garment and method of making the same : en
  • DE594616C - Suction cups for cleaning devices of threshing machines : de en
  • FR761695A - Steam generator device for irons : en fr
  • US1951384A - Air cleaner : en
  • US1951777A - Device for preserving flowers in floral sprays : en
  • US1951584A - Nipple wrench : en
  • US1951915A - Refrigerating machine : en
  • DE594942C - Security device against theft of motor vehicles : de en
  • GB407960A - Improvements in the steering of track laying vehicles : en
  • US1951427A - Material working apparatus : en
  • USD91792S - Design for a lamp shade : en
  • US1951593A - Long chain esters and compositions thereof : en
  • US1951794A - Shotgun tracer cartridge : en
  • US1952002A - Process of manufacturing composite steel articles : en
  • DK48540C - Sugar Purification Plant. : da en
  • US1951531A - Sound-translating device : en
  • US1951990A - Water-gas generator : en
  • US1951888A - Folding table : en
  • US1951903A - Sound film recording system : en
  • CA340250A - Yarn cleaner : en fr
  • US1951472A - Tank-filling nozzle with gauge : en
  • US1951608A - Table top construction : en
  • US1951709A - Grip device : en
  • US1952004A - Phosphorus furnace operation : en
  • DE594777C - Thread guide for winding devices : de en
  • FR761696A - Electrical current interruption warning device : en fr
  • CA340267A - Knitting machine : en fr
  • CA340287A - Delayed lock control : en fr
  • US1951432A - Tabernacle safe : en
  • FR761449A - Band saw guide : en fr
  • CA340252A - Dilute acid : en fr
  • DE594215C - Angled rolling mill or tube press for the production of seamless tubes : de en
  • US1951710A - Process and apparatus for drying fibrous sheets : en
  • USD91764S - Design for an alphabet fob forming : en
  • CA340230A - Elevator buffer safety stop : en fr
  • US1951530A - Change-over key or switch for telephone exchanges and the like : en
  • US1951428A - Power unit for vehicles : en
  • US1951747A - Process for the manufacture of esters : en
  • DE594740C - Firearm with exchangeable barrel : de en
  • DE594780C - Three-rail track for electrically operated toy trains : de en
  • CA340295A - Wired glass making apparatus : en fr
  • US1951431A - Traffic signal : en
  • US1951340A - Fuel pump for internal combustion engines : en
  • US1951774A - Process and apparatus for producing gas rich in hydrogen : en
  • DE594598C - Retractable gondola for aircraft : de en
  • DE594743C - Process for the insulation of high voltage cables : de en
  • GB407684A - The manufacture of disazodyestuffs containing copper : en
  • FR761501A - Soft wooden sole : en fr
  • FR761425A - Button control for lifts and similar devices : en fr
  • FR761640A - Method of manufacturing inner tubes and other non-inflatable rubber articles : en fr
  • GB407459A - Improvements in or relating to electric lighting fittings for aerodrome lighting and other purposes : en
  • CA340258A - Locomotive booster motor : en fr
  • GB407515A - A liquid-tight stator winding for a submersible electric motor : en
  • GB407604A - Improvements in or relating to weighing apparatus : en
  • FR761506A - Process for obtaining gas from water : en fr
  • GB407619A - Improvements in or relating to the control of vapour arc rectifiers : en
  • GB407468A - Improvements in lighting apparatus : en
  • GB407685A - Process for the manufacture of derivatives of the barbituric acid series : en
  • DE594595C - Device for controlling the actinity and brightness of a copy, measurement or comparison light source when copying photographic negatives : de en
  • CA340204A - Electrical regulator : en fr
  • DE594565C - Conveyor device : de en
  • DE594601C - Device for lifting and turning motor vehicles with auxiliary wheels driven by electric motors : de en
  • GB407589A - Improved arrangements for producing alternating currents using discharge devices : en
  • GB407568A - Improvements in valve mechanisms for controlling the supply of gaseous or liquid fuel to burners : en
  • GB407706A - Improvements in and relating to the drawing of bast and long leaf fibres : en
  • FR761586A - Improvements to centrifugal separators : en fr
  • DE594906C - Electrically heated furnace with sand cup and oil cup sealing of the furnace chamber : de en
  • FR761659A - Process for manufacturing rubber articles and apparatus for carrying out this process : en fr
  • FR761481A - Improvements to dyeing machines : en fr
  • GB407456A - Improvements in joints for girders and like structural members : en
  • GB407934A - Improvements in or connected with the operation of thermionic valves : en
  • FR761445A - Machine for sorting, recording and reclassifying punched cards : en fr
  • GB407715A - Improvements in and relating to luminous indicators for supervising technical plants : en
  • GB407601A - Improvements in shirts : en
  • GB407435A - Improvements relating to chiming and striking mechanism for clocks : en
  • GB407605A - Improvements in and relating to bathing dresses : en
  • GB407396A - Improvements in and relating to high voltage testing apparatus : en
  • FR761462A - Removable mosquito net cabin : en fr
  • US1951396A - Control mechanism : en
  • US1951926A - Relief valve : en
  • GB407616A - Automatic coin-freed machine for liquids, and more particularly for the dispensing of petrol for lighters : en
  • FR761441A - Fixing device for jewelry or other similar objects on clothing or fabrics : en fr
  • FR761470A - Method of making models to be copied for printing and similar applications : en fr
  • FR761617A - Improvements to gear changes : en fr
  • FR761665A - Signaling method and system : en fr
  • FR761434A - Improvements to projectiles and fire-enhancing devices : en fr
  • FR761658A - Expansion machine, for attaching pouring spouts to metal containers and similar operations : en fr
  • GB407442A - Vehicle suspension spring rebound check : en
  • US1951695A - Counter display case : en
  • US1951796A - Device for use in grinding valves : en
  • FR761452A - Radio-electric horn : en fr
  • GB407608A - Smoking pipe : en
  • GB407528A - Fixing devices for vehicle horns : en
  • FR761417A - Process for the treatment of mineral oil distillation products : en fr
  • FR761693A - Artificial silk dyeing : en fr
  • GB407640A - Improvements in or relating to priming devices for pumps : en
  • AU1357933A - Improvements in and connected with machines foir equipping wire bound boxes with fastening means : en
  • DE594996C - Regulator with an expansion gas as a pulse generator : de en
  • USD91785S - Design for an ironing machine frame : en
  • US1951449A - Process of reducing and alloying metals : en
  • DE594695C - Mercury contact thermometer with variable effective mercury volume : de en
  • US1951358A - Vibration detector : en
  • US1951521A - Car heating assembly : en
  • US1951806A - Filled fibrous material : en
  • FR761517A - Improvements in galvanic cobalting processes : en fr
  • US1951366A - Radiator core : en
  • US1951692A - Loud speaker : en
  • CA340268A - Knitting machine thread mechanism : en fr
  • GB407489A - Improved clothes hanger : en
  • GB407632A - Improvements relating to double-acting two-stroke cycle diesel engines for locomotives : en
  • US1951335A - Spring shackle : en
  • US1951372A - Method of making shoes : en
  • US1951958A - Heat transferring device : en
  • US1951394A - Tubing : en
  • USD91783S - Design fob a candlestick ob article : en
  • US1951445A - Manufacture of one-piece window envelope blanks : en
  • US1951880A - Electric device for cutting gypsoplastic dressings : en
  • DE594753C - Central buffer draw hook coupling, especially for conveyor wagons : de en
  • DE594895C - Machine for the production of paper wool : de en
  • US1951401A - Window raising and lowering device : en
  • DE594779C - Color spinning top with interchangeable color discs : de en
  • DE594730C - Mold : de en
  • US1951866A - Relay apparatus for use in electric supply systems : en
  • CA340332A - Shelf for tables : en fr
  • GB407405A - Improvements in electro-mechanical devices such as instruments for recording, reproducing, or transmitting sound : en
  • US1951924A - Stopper for bottles and the like : en
  • US1951730A - Laminated shim : en
  • US1951893A - Electrodeposition of metal alloys : en
  • US1951471A - Method and apparatus for making bags : en
  • US1951864A - Parachute : en
  • DE594764C - Process for the production of fibers or threads from glass, slag and similar fusible materials : de en
  • USD91787S - Design fob a bottle ob similab : en
  • GB407692A - Improvements relating to impulse transmitters for automatic telephone systems : en
  • DE594726C - Sleigh with stretcher : de en
  • FR761690A - Crampon for securing objects with an almost flat bearing surface : en fr
  • DE594762C - Pneumatically or hydraulically operated device for locking molding boxes on model or reversible plates : de en
  • US1951742A - Fertilizer : en
  • GB407392A - Improvements in or relating to braking systems for aircraft : en
  • GB407431A - Improvements in and relating to stays and the like for windows, fanlights and the like : en
  • DE592449C - Pulverized fuel combustion : de en
  • DE594691C - Screw compressor, consisting of right- and left-handed, mutually engaging screws coupled by cogwheels : de en
  • US1951381A - Method of and apparatus for shaping metal : en
  • US1951400A - Conveyer system : en
  • FR761631A - Gearless gyroscopic rotating fan : en fr
  • US1951832A - Alkyl-2-hydroxynaphthalene-3-carboxylic acids : en
  • FR761458A - luminous and non-slip multi-tiered marking elements : en fr
  • FR761443A - Improvements to batteries or accumulators with sealed tank and electrolyte immobilized by a hydrophilic mass : en fr
  • CA340152A - Shoe manufacture : en fr
  • US1951375A - Chair : en
  • DE594545C - Drive for bundle presses u. like : de en
  • USD91781S - Design for a lighting fixture bowl : en
  • US1951423A - Method for producing electric lamps : en
  • CA340136A - Window : en fr
  • US1951599A - Bag closure : en
  • US1951757A - Registering device for duplicating machines : en
  • US1951853A - Process of producing sheets of cellulosic plastic : en
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  • US1951996A - Brewing pan : en
  • CA340281A - Railway car coupler : en fr
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  • GB407609A - Improvements in a copper alloy with a comparatively high lead content, more particularly for rail-vehicle axle-journal brasses unprovided with soft metal liners : en
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  • DE594600C - Device for preventing car doors from rattling : de en
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  • DE594887C - Hot strip mill : de en
  • FR761600A - Method and apparatus for degreasing and cleaning metal objects using a volatile solvent : en fr
  • GB407560A - Improvements in or relating to direction indicators for vehicles : en
  • US1952015A - Automobile jack : en
  • CA340201A - Electric discharge device : en fr
  • DE594755C - Multiple break switch : de en
  • DE594553C - Electromagnetic drive pump : de en
  • DE594744C - Overcurrent heat release : de en
  • DE594610C - Device for drying fruits, especially oil-containing fruits : de en
  • US1951500A - Keying : en
  • US1951716A - Apparatus for geophysical exploration : en
  • US1951986A - Reel : en
  • US1951552A - Safety razor : en
  • US1952032A - Printing press : en
  • US1951867A - Apparatus for cleaning gas : en
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  • DE594831C - Unloading and spreading device for stable manure : de en
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  • DE594566C - Automatic control device for heating in railroad cars : de en
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  • AU1178533A - Improvements in structures of concrete or like material andan improved unit for use therein : en
  • CA340232A - Elevator safety device : en fr
  • FR761426A - Method of supplying powdery solid fuel to operate internal combustion engines : en fr
  • GB407655A - Process for firing fine-grained fuels on an inclined grate : en
  • US1951341A - Process for recovering manganese values : en
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  • GB407579A - An improved method of constructing hollow reinforced concrete floors and the like : en
  • GB407516A - Improved pneumatic suspension device for vehicles : en
  • DE594562C - Process for the production of chemically pure or technically pure, solid carbonic acid hydrates : de en
  • DE594712C - Process of fog prevention and blue-black development in photographic emulsions : de en
  • US1951768A - Control valve for fluid systems : en
  • GB407624A - Improvements in machines for straightening or smoothing metal members particularly tubes and rods, in the cold state : en
  • FR761556A - Improvements to temperature regulators : en fr
  • DE594638C - Recuperator for preheating one gas by another gas : de en
  • US1951741A - Vehicular tank support : en
  • US1951379A - Combined gas and oil burner : en
  • US1951673A - Permanent lock for loose leaf binders : en
  • FR761571A - Liquid electric switch : en fr
  • US1951353A - Method of and apparatus for strengthening the framework and the covering of airships : en
  • US1951448A - Multiple quick acting refrigerator plant and process : en
  • CA340128A - Catamenial bandage : en fr
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  • US1952007A - Braiding machine : en
  • DE594586C - A lifting device for mowing machines : de en
  • DE594863C - Device for producing tubes or rods made of glass or the like. : de en
  • US1951920A - Thermostatic control switch : en
  • US1952012A - Grease and method of lubrication : en
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  • DE569734C - Process for the production of a silica-containing phosphoric acid fertilizer : de en
  • FR761480A - Improvements in the management of tracked vehicles : en fr
  • GB407478A - Improvements in or relating to pistons for internal combustion engines : en
  • GB407656A - Process for the working up of aqueous solutions of organic acids in particular of acetic acid : en
  • CA340313A - Loudspeaker : en fr
  • CA340146A - Toy balloon : en fr
  • US1951690A - Battery terminal clamp : en
  • US1951785A - Process of preparing esters : en
  • US1952008A - Emulsifying detergent and wetting agent : en
  • US1952033A - Cutting mechanism : en
  • DE594696C - Electric gas tester, in which the resistance changes of a measuring wire around which the test gas flows and a second measuring wire located in a reference gas are measured : de en
  • DE594711C - Multi-punch punch with exchangeable stripper : de en
  • DE594742C - Conveyor system with conveyor wagon : de en
  • US1951951A - Winding machine : en
  • US1951912A - Disk harrow : en
  • US1951613A - Motorized counterbalance : en
  • USD91753S - Design for a grave vault or similar : en
  • US1952021A - Process for the direct syntheses of ammonia : en
  • USD91796S - Design for a sled : en
  • CA340273A - Potato digger : en fr
  • US1951507A - Door mounting : en
  • US1951831A - Package : en
  • CA340193A - Bag making apparatus : en fr
  • CA340188A - Pencil and igniter : en fr
  • CA340312A - Two cycle engine : en fr
  • CA340185A - Shears : en fr
  • US1951512A - Bell-end pipe construction : en
  • US1951985A - Garment form : en
  • US1951827A - Process and machine for combing and ironing of skins : en
  • US1951931A - Sound reproducing apparatus : en
  • US1951369A - Welt-sewing machine : en
  • US1951928A - Harmonica megaphone : en
  • US1951979A - Clothes drier : en
  • FR761482A - Tool holder for the finishing of cylinder interiors, with two groups of tools adjustable in radial direction : en fr
  • GB407626A - Improvements in or relating to jacking attachments for two-wheeled trailers and other road vehicles : en
  • US1951942A - Measuring pump switch : en
  • US1951945A - Method of treating metal parts to prevent adhesion of molten metal and composition of matter employed therein : en
  • CA340229A - Elevator safety device : en fr
  • US1951711A - Reenforcing and fastening means for tile : en
  • US1952017A - Method for reducing the viscosity of a colloidal suspension of proteins : en
  • DE594591C - Interchangeable signs made of any material that can be stuck to a wall with glue : de en
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  • US1951654A - Method of making a cable connecter : en
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  • US1951522A - Combined wheel for roads and rails : en
  • DE594900C - Process for introducing the amino group into inorganic and organic compounds : de en
  • DE594583C - Card sheet : de en
  • US1951468A - Wood heel spooling machine : en
  • US1951554A - Shears sharpening outfit : en
  • US1951825A - Ventilator package : en
  • US1951918A - Electrical bonding : en
  • US1951731A - Oscillator-radiator : en
  • US1951466A - Vegetable slicing holder : en
  • US1951485A - Valve : en
  • US1951589A - Means for distributing cigarettes delivered from a continuous rod cigarette machine : en
  • FR761547A - Improvements made to furniture, especially those such as counters : en fr
  • FR761548A - Label transporter for bottle labeling machines : en fr
  • FR761601A - Hydraulic feed control device for grinding machines and similar machine tools : en fr
  • FR761643A - Improvements to sealed containers, partially or totally of glass, and parts thereof : en fr
  • FR761496A - Improvements to alloys reduced to very small fragments : en fr
  • FR761495A - Improvements relating to elastic engine mountings : en fr
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  • CA340236A - Voltage supply means : en fr
  • GB407397A - Improvements in and relating to shaft packings suitable for steam turbines : en
  • US1951621A - Child's folding toilet seat : en
  • US1951497A - Oil distillation : en
  • CA340153A - Slipper : en fr
  • CA340203A - Electrical protective arrangement : en fr
  • FR761550A - Asphyxiating gas protection device : en fr
  • CA340190A - Pari-mutuel ticket protector : en fr
  • DK48534C - Keyless Bicycle Lock. : da en
  • US1951377A - Method of forming rubber gloves : en
  • US1951478A - Garment : en
  • US1951594A - Article of furniture : en
  • US1951936A - Bottle closing and like machine : en
  • US1951373A - Shoe-pressing machine : en
  • AU1175833A - Improvements in operating and control mechanism for elevator and like doors : en
  • CA340134A - Screw rotor : en fr
  • DE594687C - Electric switch : de en
  • US1951434A - Pneumatic dispatch tube apparatus : en
  • US1951504A - Lubricating device : en
  • US1951592A - Cipher eliminating mechanism : en
  • USD91789S - Design fob an automobile radiator : en
  • US1951657A - Refrigerant vaporizer : en
  • US1951610A - Closure for collapsible tubes : en
  • CA340239A - Signalling system : en fr
  • AU1329333A - Improvements relating to automatic telephone systems : en
  • CA340205A - Electrical induction apparatus : en fr
  • CA340206A - Electric power converting apparatus : en fr
  • DE594796C - Process for purifying carbon distillation gases from naphthalene : de en
  • DE594938C - Apparatus for the independent production of photographs on sheets, in which material to be treated by the reverse process is used : de en
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  • US1951429A - Decoy duck : en
  • US1951852A - Device for fire control apparatus : en
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  • FR761697A - Full color, automatic color changing projector : en fr
  • FR761657A - Improvements to safety glass manufacturing processes : en fr
  • US1951424A - Speed reduction gear : en
  • US1951982A - Transportation seat : en
  • FR761552A - Manufacturing process of ignition or communication wicks : en fr
  • US1951595A - Blasting cap : en
  • US1951663A - Forced circulation heating system : en
  • US1951987A - Two-cycle internal combustion engine : en
  • US1951378A - Method of producing articles from plastics : en
  • US1951408A - Article rack : en
  • US1951669A - Method and apparatus for producing sound : en
  • US1951793A - Chair device : en
  • CA340198A - Alloy : en fr
  • CA340321A - Piping : en fr
  • US1951933A - Translucent material : en
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  • DE594880C - Tubeless air pump for bicycles : de en
  • DK48543C - Method and apparatus for the catalytic treatment of carbonaceous substances. : da en
  • US1951412A - Process and apparatus for preparation of frozen comestibles : en
  • CA340245A - Harvesting and threshing machine : en fr
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  • US1951809A - Apparatus for employing vacuum on porous laminated : en
  • US1951737A - Compositions, containing an alkyl salicylate and an alkali-metal stearate : en
  • US1951772A - Molding powder : en
  • US1951939A - Light source : en
  • US1951804A - Paring device : en
  • US1951590A - Folder protecting device : en
  • US1951833A - Method of expanding tubes : en
  • CA340247A - Sharp freezing container : en fr
  • US1951836A - Process and apparatus for the production of magnesium by electrolysis : en
  • US1951611A - Order indicating device : en
  • US1951771A - Lubricating device : en
  • DE594652C - Liquid level indicator : de en
  • FR761627A - New polyhalogenated pyrene derivatives and their preparation process : en fr
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  • AU1345433A - Improvements in railway and tramway rail and wheel flange lubrication : en
  • DE594739C - Device for removing leather fittings arranged on shoe soles (leather pins) : de en
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  • US1951404A - Focusing mirror and directing mechanism therefor : en
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  • US1951600A - Temple thread cutter : en
  • US1951659A - Spring roller venetian blind : en
  • CA340149A - Furnace structure : en fr
  • US1951361A - Coil mounting for high frequency systems : en
  • US1951543A - Container : en
  • US1951588A - Heating system : en
  • US1951718A - Production of sols and highly dispersed suspensions comprising oxygen-containing metal compounds : en
  • CA340113A - Insulating structure : en fr
  • US1951409A - Electric circuit closer : en
  • US1951905A - Door operating device : en
  • US1952027A - Electric system for toy vehicles : en
  • US1951679A - Refrigerating apparatus : en
  • US1951780A - Process of making antiknock motor fuels : en
  • US1951790A - Method and apparatus for treating asphalt : en
  • US1951992A - Separation of acid gases : en
  • US1951841A - Rotakt shear : en
  • US1951405A - Cash begister : en
  • US1951596A - Printing plate : en
  • US1951656A - Fixture and support therefor : en
  • US1951602A - Shipping container : en
  • US1951807A - 4-phenalkyl-3-keto-3.4-dihydro-1.4-benzoxazines and process for the manufacture of same : en
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  • US1951758A - Method of and apparatus for supplying carbon dioxide gas : en
  • US1951385A - Friction shock absorbing mechanism : en
  • US1951639A - Lens take-up device : en
  • CA340164A - Thermostat : en fr
  • CA340319A - Folding machine : en fr
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  • US1951878A - Valve : en
  • US1951798A - Fire blanket spreader : en
  • US1951877A - Electric motor and the like : en
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  • CA340165A - Well casing head : en fr
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  • GB407987A - Improvements in carburetters for internal combustion engines : en
  • US1951413A - Sheet-dispensing cabinet : en
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  • FR761560A - Process for manufacturing charcoal castings : en fr
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  • US1951870A - Process of obtaining products from toad poisons : en
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  • FR761662A - Shrink tube for spools of thread : en fr
  • FR761666A - Method and apparatus for obtaining oil gas : en fr
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  • CA340253A - Filter or condenser : en fr
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  • US1951483A - Shock eliminator : en
  • US1951802A - Method of making pipe bends : en
  • DE594570C - Oil switch : de en
  • DE594853C - Compressed air braking device : de en
  • FR761534A - Process for welding the crosspieces of metal frames : en fr
  • FR761404A - Connection for electrical pipes : en fr
  • DE594953C - Rotary suction cell disc filter : de en
  • US1951908A - Resistance testing machine : en
  • CA340144A - Folding box : en fr
  • GB407968A - Improvements in or relating to arrangements for automatically controlling the playing of gramophone records : en
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  • DE594997C - Schraenkverfahren of saw teeth : de en
  • DE579493C - Process for the production of ferrocobalt : de en
  • DE594735C - Air jet impact shredder : de en
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  • DE594631C - Process for generating cold : de en
  • CA340179A - Paper coating apparatus : en fr
  • GB407575A - Improvements in or relating to cutting devices for agricultural mowing or reaping machines : en
  • GB407711A - Improvements in and relating to control systems for the field windings of dynamo-electric machines : en
  • GB407727A - Improvements in or relating to the manufacture of cast type bars : en
  • GB407618A - Acoustic signalling apparatus : en
  • DE1294111U - Winding device for filamentary material : de en
  • DE594752C - Process for the production of water-soluble organic calcium double compounds : de en
  • DE594810C - Device for regulating compression refrigeration machines : de en
  • FR761406A - First for shoes : en fr
  • FR761422A - Reversible plow : en fr
  • FR761576A - Crusher : en fr
  • GB407534A - Treatment of tar used as sealing medium for the pistons of waterless type gas holders : en
  • DE594858C - Burner for pulverized coal firing : de en
  • DK48515C - Device for Attaching the Piston Rod to the Crosshead in Piston Power Machines. : da en
  • FR761502A - : fr
  • GB407486A - Process for the manufacture of strongly basic porphins and products obtained thereby : en
  • DE594850C - Steam generator with closed internal firing : de en
  • FR761420A - Combustion regulator for steam heating system operating under variable vacuum : en fr
  • GB407650A - Improvements relating to apparatus for use in washing clothes : en
  • FR761403A - Non-deformable core for plywood panels : en fr
  • FR761512A - Heating surface comprising a material for electric resistances : en fr
  • FR761642A - : fr
  • DE594733C - Device for coupling the tie shaft of straw balers or the like with their drive : de en
  • DE594634C - Electric discharge tubes with metal vapor filling, in particular for emitting light beams : de en
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  • FR761516A - Movable element bearing : en fr
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  • US1951506A - Bifocal lens and method of making the same : en
  • CA340210A - Electrical distribution system : en fr
  • FR761474A - Process for manufacturing aliphatic anhydrides : en fr
  • US1951629A - Pressure and temperature recording device for wells : en
  • US1951938A - Tractor : en
  • GB407582A - Blasting detonator packages and method of forming the same : en
  • GB407707A - Improvements in the manufacture of yarn : en
  • FR761451A - Sound-emitting recording device : en fr
  • US1951617A - Merchandise display device : en
  • FR761437A - Improvements in the construction of dynamo-electric motors for mines and other applications : en fr
  • CA340142A - Fuel mixer : en fr
  • CA340314A - Radio receiver : en fr
  • US1951491A - Tool for applying seal caps : en
  • US1951779A - Lens : en
  • CA340216A - Loudspeaker : en fr
  • US1951526A - Urea-aldehyde plasticized resin and process of making the same : en
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  • USD91771S - Design for a textile fabric or : en
  • US1951668A - Phonograph : en
  • US1951956A - Air filter : en
  • DK48544C - Procedure for changing the properties, in particular the hardness, strength and yield strength of iron and steel alloys. : da en
  • US1951829A - Pressure control device : en
  • DE594618C - Speed control of two-stroke internal combustion engines with air purge : de en
  • US1951339A - Control : en
  • GB407491A - Improvements in collapsable or sectional boats and canoes : en
  • US1951689A - Speed checking and control mechanisms : en
  • US1951921A - Speed controlled device : en
  • GB407973A - Colouring foodstuffs : en
  • US1951418A - Lock : en
  • US1951797A - Meter : en
  • US1951910A - Sirup pump : en
  • CA340225A - Frequency measuring system : en fr
  • CA340283A - Hood for welding moulds : en fr
  • US1951923A - Crystallizer : en
  • DE594676C - Decorative wallcovering : de en
  • FR761613A - Device for quickly capping or uncorking a bottle with one hand : en fr
  • US1951591A - Protection terminal for batteries : en
  • DE594554C - Process for the representation of blue to blue-violet sulfur dyes : de en
  • GB407411A - Improvements in and relating to regulating choke coils : en
  • GB407430A - Improvements in ice-making containers : en
  • FR761557A - Barrette and comb to wrap and adorn hair : en fr
  • US1951350A - Flash boiler control : en
  • GB407436A - Improvements in saddles for pedal cycles : en
  • US1951580A - Heater : en
  • US1951645A - Clean-out plug : en
  • CA340217A - Metal tank rectifier : en fr
  • DE594771C - Support of the change gear housing of motor vehicles, which can swing at one end about a transverse axis : de en
  • US1951732A - Electric current rectifier construction : en
  • US1951545A - Feeding device for strip materials : en
  • US1951966A - Music holder : en
  • GB407483A - A new or improved system and apparatus for heating buildings and the like : en
  • AU1178733A - Improvements in or relating to directional aerial arrangements : en
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  • FR761401A - Cleaning product and its manufacturing process : en fr
  • GB407594A - Improvements in apparatus for and art of manufacturing shoes : en
  • DE594541C - Outer inserting machine : de en
  • FR761466A - Improvement in mixers : en fr
  • GB407990A - Improvements in the manufacture, production and recovery of sulphonation products : en
  • GB407586A - Improvements in and relating to a method and means for forming joints between tubular elements inserted one within another : en
  • FR761421A - Device for catching insects : en fr
  • DE594988C - Device for measuring the parallel coordinates of the points on a flat surface : de en
  • DK48530C - Device by Lights for Vehicles. : da en
  • GB407426A - Improvements in sheet metal drums, kegs, or the like containers : en
  • FR761634A - Carburetor for internal combustion engine with external heat source ignition : en fr
  • FR761465A - Process and apparatus for autogenous welding of steels : en fr
  • DE594879C - Device for holding the carriage frame in a position that is approximately parallel to the roadway, especially for motor vehicles : de en
  • GB407543A - Improvements in and relating to alarm clocks : en
  • FR761489A - Fairground attraction : en fr
  • GB407644A - Arrangement for ignition of explosive projectiles on reaching an obstacle : en
  • FR761521A - Further training in the installation of hot water heating systems on motor vehicles : en fr
  • FR761580A - Optical device for checking axis directions, etc. : en fr
  • GB407465A - Improvements in or relating to axles for motor vehicles : en
  • FR761518A - Improvements in number indicating devices for use by people who knit or as a calendar, game marker, etc. : en fr
  • GB407657A - Process of the catalytic reactions which are produced with the unstable products of sulphur dioxide which the atom of mercury gives off in changing into gold : en
  • DE594890C - Zinc cups for electrical elements for flashlights, anode devices, etc. like : de en
  • DE594804C - Method and device for smoldering solid fuels : de en
  • DE594862C - Hand tool for forming nozzles on glass bottles : de en
  • DK48524C - Device for milk transport buckets or similar. : da en
  • CA340194A - Cupola furnace fume arrester : en fr
  • GB407969A - Improvements in or relating to cinematograph apparatus : en
  • US1951883A - Four-wire terminating set : en
  • US1951873A - Method of making vibratory devices : en
  • US1951691A - Manufacture of porous plaster : en
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  • US1951980A - Tank level indicator : en
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  • US1951844A - Apparatus for severing wrappers from webs and feeding said wrappers to package-making machines : en
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  • DE594540C - Device for a cleaning shaft for polishing the sole edges : de en
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  • USD91757S - Design for an alphabet for forming : en
  • FR761698A - Improvements to electrical relays : en fr
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  • FR761408A - Position light for motor cars : en fr
  • US1952020A - Distillation of tar or pitch to coke and apparatus therefor : en
  • US1952029A - Process for manufacturing sulphur dyestuffs : en
  • US1951386A - Electrical prospecting : en
  • CA340172A - Wrapping and boxing machine : en fr
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  • FR761638A - Intake breeches for internal combustion engines : en fr
  • US1951697A - Automatic pressure control : en
  • DE583577C - Process for the production of phosphoric acid fertilizers from blast furnace slag or similarly composed silicate slags : de en
  • DE1293946U - : de en
  • GB407671A - Improvements relating to machinery for drawing bast fibres & long leaf fibres : en
  • US1951597A - Brake condition indicator : en
  • FR761691A - Turbine control for boats : en fr
  • CA340174A - Spare tire cover : en fr
  • GB407652A - Improvements in or relating to transmitting devices for ultra-short waves : en
  • US1951952A - Printing machine for sensitized material : en
  • FR761532A - Warning device and automatic electric switch : en fr
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  • US1951461A - Apparatus for measuring electrical quantities : en
  • US1951914A - Riveting device : en
  • IE13176L - Electric torches : en
  • US1951840A - Stabilization of light hydrocarbon oils and particularly pressure distillate : en
  • US1951885A - Art of recovering hydrocarbons : en
  • FR761519A - Improvements to billiards : en fr
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  • FR761626A - Apparatus for reproducing volumes by molding, intended for forming shoe lasts : en fr
  • GB407693A - Method for the automatic control of aviation engines : en
  • FR761444A - Advanced construction system : en fr
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  • FR761720A - : fr
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  • FR761533A - Sealing device in sleeve joints for pipes : en fr
  • FR761587A - Improvements to liquid dispensers : en fr
  • FR761676A - Manufacturing process of connecting rods : en fr
  • FR761689A - Process for affixing and protecting advertising texts, brands, images, decorations or designs, on soaps of all kinds, soaps, tapers, candles, waxes, tallow and all fatty substances : en fr
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  • US1951638A - Deep well whipstock : en
  • US1952003A - Abrasive apparatus : en
  • FR761473A - Process for stabilizing, in the presence of metals such as copper, products formed by the introduction of nitrogenous organic compounds into hydrocarbons such as petroleum spirits or into mixtures of petrol and alcohol : en fr
  • FR761674A - Heat conductive tubes : en fr
  • FR761467A - Percussion fuze with safety fading after the blow starts : en fr
  • FR761477A - Improvements to internal combustion engines and working method of these engines : en fr
  • CA340240A - Central blast rectifier : en fr
  • DE594979C - Electric time switch for stair lighting : de en
  • DK48525C - Detergent. : da en
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  • GB407555A - Lubricating pumps : en
  • US1951395A - Apparatus for measuring ion concentration : en
  • US1951859A - Piston skirt expander : en
  • US1951907A - Releasable door fastener : en
  • US1951439A - Gas stove burner : en
  • DE594277C - Piston steam engine with downstream exhaust steam turbine : de en
  • US1951619A - Knockdown table and seat unit : en
  • US1951991A - Ash receptacle and ejector : en
  • DE594688C - Device for electro-hydraulic electrode control for electric arc furnaces : de en
  • CA340335A - Manifold record packet : en fr
  • DE594671C - Method for the fine ventilation of diaphragm Gaerbottichen : de en
  • DE594656C - Procedure for the operation of deflagration chambers : de en
  • DE594727C - Cleaning equipment, especially for window panes : de en
  • GB407470A - An improved apparatus to assist in marking out tennis courts and the like : en
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  • US1951573A - Valve lifter : en
  • US1951574A - Method of working in the reproducing arts : en
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  • US1951450A - Pajama garment : en
  • US1951720A - Electrolytic condenser : en
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  • US1951815A - Azo-dyestuffs insoluble in water and fiber dyed therewith : en
  • US1951360A - Portable power plant for vehicles : en
  • US1951426A - Control system : en
  • US1951572A - Machine for filling and closing bags : en
  • AU1230733A - Improved device for controlling bulls : en
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  • US1952040A - Circuit breaker : en
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  • GB407697A - Improvements relating to combined switches and coupling sockets : en
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  • US1951492A - Golf bag : en
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  • US1951935A - Process for sintering fine ores or the like : en
  • US1952039A - Circuit breaker : en
  • US1951677A - Hot-blast sluice valve : en
  • US1951805A - Combination of chair and bed : en
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  • FR761478A - Electronic discharge tube : en fr
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  • US1951984A - Recovery of phosphorus from dilute gases : en
  • US1951501A - Process for pressing metal blanks : en
  • US1951879A - Cotton drier : en
  • US1951685A - Peak detector : en
  • USD91770S - Design for a textile fabric or : en
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  • CA340120A - Cigarette tissue : en fr
  • FR761493A - Process for woodworking in the manufacture of wooden objects : en fr
  • FR761515A - Signal light arm : en fr
  • US1951733A - System and apparatus for power factor correction : en
  • CA340248A - Sharp freezing container : en fr
  • DE594784C - Light liquid separator : de en
  • FR761509A - Auto body system : en fr
  • CA340150A - Light producing ignitable composition : en fr
  • US1951699A - Variable light headlight : en
  • US1952019A - Type holding device : en
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  • DE594881C - Device for connecting pipes and hoses : de en
  • FR761440A - Device for stapling jewelry or other similar objects to a fabric or garment : en fr
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  • US1951681A - Waxing attachment for paper machines : en
  • US1951365A - Freezing apparatus : en
  • US1952011A - Insulator coupling means : en
  • US1951835A - Motor and system of controlling the same : en
  • US1951950A - Method and apparatus for cooling glass articles : en
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  • CA340178A - Locomotive boiler : en fr
  • CA340233A - Dynamo-electric machine : en fr
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  • GB408231A - A method of repairing and correcting uneven sealed or unsealed road or like paving surfaces : en
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  • FR761567A - Improvements made to internal combustion engines for boats, as well as their mounting method : en fr
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  • US1951770A - Process for the production of noncorrosive paint pigments : en
  • DK48529C - Kitchen sink. : da en
  • DE594686C - Method for measuring the temperature of oil-filled cables with several intercommunicating expansion vessels : de en
  • FR761537A - Fire alarm device : en fr
  • GB408202A - Improvements in or relating to the automatic frequency regulation of alternating current supplies : en
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  • CA340166A - Receptacle : en fr
  • US1951765A - Brake mechanism for vehicles : en
  • US1951847A - Bolster : en
  • FR761605A - Welding machine for metal can bodies : en fr
  • FR761612A - Trunk convertible into a seat : en fr
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  • US1951397A - Manufacture of piston rings : en
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  • US1951437A - Shirt sleeve : en
  • US1951494A - Electrolysis of anhydrous fused metal chlorides : en
  • US1951949A - Adjustable form for constructing concrete piers : en
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  • CA340254A - Furnace floor : en fr
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  • US1951856A - Tool and method of making the same : en
  • CA340243A - Moulding composition : en fr
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  • US1951476A - Alternating current condensers and arrangement of the same : en
  • US1951925A - Variable condenser : en
  • US1951934A - Duplicator : en
  • FR761429A - Process for maintaining the permeability of tissues assembled by bonding : en fr
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  • US1951524A - Variable frequency multiplex system : en
  • US1951463A - Sewer flushing apparatus : en
  • US1951739A - Method of purifying oil : en
  • GB407416A - Improvements in or relating to a method of treating trees : en
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  • DE594843C - Turning device for molding machines : de en
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  • US1951708A - Ozonation products of terpene alcohol : en
  • US1952025A - Spinneret for the manufacture of rayon : en
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  • US1951440A - Machine for holding sliced bread while being wrapped : en
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  • FR761536A - Device for regulating the voltage of DC converters with self-excitation; connected in parallel and operating with discharge vessels, steam or gas, controlled by grid : en fr
  • GB407447A - Improvements relating to pressure-reducing valves : en
  • DK48528C - Shoot with two or more cannon tubes. : da en
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  • GB407564A - Improvements in apparatus for mixing air and gaseous fuel for internal-combustion engines : en
  • GB407546A - Improvements relating to fuel injection pumps for internal combustion engines : en
  • DK48521C - Fastening device for Belt Collectors. : da en
  • GB407455A - Means for preventing undesired arc formation in electric discharge apparatus : en
  • GB407730A - Improvements in or relating to clutches : en
  • US1951586A - Machine tool : en
  • US1951627A - Rotary sand blast pressure gun : en
  • US1951917A - Water softener or filter : en
  • DE594605C - Composite material with high ductility : de en
  • FR761699A - Device for collecting menstrual blood : en fr
  • GB407519A - Improvements in apparatus for washing, sizing, dyeing and other liquid treatment of hats and like articles : en
  • GB407565A - Improvements in luminous electric discharge lamps : en
  • US1951517A - Record sheet feed mechanism : en
  • DE594588C - Air-cooled cylinder for internal combustion engines : de en
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  • DE594661C - Multi-sash window with side sashes that can be pivoted about vertical axes and center sashes that can be moved and swung out horizontally from the common closing plane, which are suspended in slotted hangers at the top and run in guides below : de en
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  • FR761604A - Enhancements to dual-channel telephone systems and the like : en fr
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  • GB407400A - Improved process for the destructive hydrogenation of coal and allied carbonaceous materials : en
  • US1951842A - Knitting machine : en
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  • GB407469A - Improvements in and relating to magnetos : en
  • GB407547A - Oil-control piston rings : en
  • FR761500A - Machine for sizing and drying knitted articles : en fr
  • FR761672A - Protective coatings and process for applying and removing them : en fr
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  • DE594759C - Device for polishing and crimping fibers : de en
  • DE594580C - Gelatinizing and softening agents for cellulose derivatives : de en
  • DE594703C - Storage for worm shafts, in which the bearing body is arranged hanging in such a way that it can be adjusted longitudinally and transversely to the worm shaft : de en
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  • GB407440A - Improvements in or relating to electric secondary clocks : en
  • GB407487A - Improvements in transmission mechanism for automobiles : en
  • US1951881A - Induction electric furnace : en
  • US1951892A - Method and machine for forming and tying loops in ends of wires secured to wire-bound boxes and the like : en
  • DE594948C - Device for driving in coats for site posts : de en
  • DK48541C - Collection and cleaning tank unit for the sealing fluid from anhydrous gas tanks. : da en
  • US1951643A - Pile forming apparatus : en
  • DE594927C - Adjustment lever for the driven drum end of the computing drum of hay tedders : de en
  • DE594973C - Switching device for friction clutches, especially for reversing gears of road rollers : de en
  • GB407463A - Improvement in folding chairs : en
  • FR761575A - Carbon paper manufacturing process : en fr
  • FR761661A - Improvement in billiards and the like : en fr
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  • USD91759S - Design for an alphabet for forming : en
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  • US1951336A - Process and apparatus for heat exchange between two currents of gas : en
  • GB407552A - Improvements in or relating to photographic cameras : en
  • DE594930C - Method for driving an impeller with the help of the guide pressure : de en
  • GB407404A - Improvements in carrier wave signalling systems : en
  • DE594836C - Device for straight guidance of billiard sticks : de en
  • US1951998A - Sectional inflating device : en
  • GB407952A - Improvements in or relating to arrangements for automatically controlling the playing of gramophone records : en
  • GB407535A - Improvements in casings for toothed gearing : en
  • GB407593A - Process for the production of patterned rubber slabs for covering floors, walls and ceilings : en
  • FR761419A - Process for producing an azo dye : en fr
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  • GB407957A - Improvements in the manufacture and production of lacquer varnishes : en
  • USD91780S - Design fob shelf paper : en
  • DE594390C - Rising door hinge : de en
  • DE594934C - Roll film cassette : de en
  • FR761607A - New Water Insoluble Mono-Azo Dyes and Method of Preparation : en fr
  • FR761505A - Insulating coolants for electrical devices : en fr
  • FR761629A - Regulating device, especially for integral frequency control : en fr
  • FR761664A - Improvements to safety devices for gaseous fluid pipelines, in particular flammable fluids : en fr
  • DE583943C - Self-operated coffee machine : de en
  • DK48526C - Device for Screens for Electric Lamps. : da en
  • FR761563A - Improvements to mattresses, box springs and the like : en fr
  • DE594713C - Angled cap ring made of flat iron : de en
  • US1951444A - Beet topper : en
  • US1951655A - Supporting means for refrigerating apparatus : en
  • US1951767A - Pattern attachment for knitting machines : en
  • CA340294A - Horseshoe : en fr
  • CA340143A - Explosive mixture : en fr
  • CA340208A - Electric control system : en fr
  • DE566031C - Production of alkali nitrates : de en
  • DE594892C - Three-phase current meter : de en
  • AU1358033A - Improvements in and connected with foldable containers : en
  • CA340317A - Pumping mechanism : en fr
  • FR761645A - Mechanism for automatic control of spinning machines : en fr
  • DE594885C - Insertion device for firing small-caliber ammunition from machine guns : de en
  • US1951999A - Press : en
  • GB407457A - Improvements in or relating to the treatment of the surfaces of aluminium or aluminium alloy articles : en
  • GB407420A - Improvements in and connected with liquid sealing traps : en
  • GB407958A - Improvements in or relating to stiffeners for corsets or the like : en
  • DE594666C - Building material made from magnesium chloride lye with magnesite and fillers : de en
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  • GB407585A - Improvements in discharging hoppers, wagons, hoist boxes and the like : en
  • DE594841C - Process for increasing the yield in the synthetic production of ammonia from its elements : de en
  • DE594626C - Umfuehrungseinrichtung for roller lines : de en
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  • FR761628A - Absorbable material for surgical suturing and ligation : en fr
  • FR761651A - Process for modifying the properties of rubber surfaces : en fr
  • DE594827C - Door lock for elevators : de en
  • FR761597A - Method and device for converting frequency ranges : en fr
  • GB407635A - An improved warfare board game : en
  • CA340182A - Felt-punching machine : en fr
  • US1951666A - Device maintaining automatically the frequency of an oscillator : en
  • US1951696A - Process for the manufacture of alkali metal salts of fatty acids : en
  • FR761457A - Improvements to electrical switches : en fr
  • FR761546A - Improvements in processes and apparatus for the treatment of pine gems and products likely to be extracted therefrom : en fr
  • GB407674A - Process for the manufacture of composite titanium pigments : en
  • DE594826C - Drive-through device : de en
  • DE594855C - Ribbon cable for telecommunication purposes : de en
  • GB407629A - Improvements in machines for washing bottles and like vessels : en
  • GB407649A - Improvements in or relating to money boxes or like containers : en
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  • GB407477A - Improvements in boxes, packing cases or the like : en
  • DE594960C - Plunger piston for single-acting slot-controlled two-stroke internal combustion engines : de en
  • FR761648A - Thimble with wire cutter : en fr
  • DE594608C - Folding cardboard made from one piece in the form of a box closed on all sides : de en
  • DE594682C - Device for oil return for compressors : de en
  • DE594731C - Building material testing machine : de en
  • US1951977A - Grinding the treads of wheel rims for rail vehicles and the like : en
  • USD91790S - Design foe : en
  • CA340159A - Maternity and surgical belt : en fr
  • DE594647C - Process for press polishing of synthetic resin panels : de en
  • GB407561A - Improvements in or connected with pre-payment gas or like meters : en
  • AU1178433A - Improvements in or relating to brushes : en
  • CA340325A - Heat interchanger : en fr
  • US1951860A - Method of making unions for metal tubing : en
  • CA340308A - Olefine removal : en fr
  • DE594689C - Feed device for oil firing systems : de en
  • GB407696A - A reading table or stand : en
  • CA340237A - Electric range control system : en fr
  • CA340327A - Molten metal processing : en fr
  • GB407687A - Improvements in and relating to dynamo electric machines : en
  • CA340256A - Signal apparatus : en fr
  • CA340278A - Money chest : en fr
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  • US1952022A - Supply control for greasing racks : en
  • USD91763S - Design for an alphabet for forming : en
  • US1951882A - Apparatus and method of operation of braking systems and stop lights : en
  • US1951453A - Typewriting machine : en
  • CA340277A - Resister : en fr
  • US1951875A - Power transmission mechanism : en
  • US1952014A - Suction carpet sweeper : en
  • CA340127A - Window draft deflector : en fr
  • US1951417A - Tag forming machine : en
  • USD91750S - anderson : en
  • US1951332A - Headgear for supporting telephone instruments : en
  • US1951570A - Automatic editing system for controlling printing telegraph machines : en
  • US1951601A - Shipping container : en
  • US1951823A - Grinding mill : en
  • US1951467A - Sign : en
  • US1952009A - Gas furnace : en
  • CA340176A - Furnace recuperator for producer gases : en fr
  • FR761669A - Process of manufacturing gas from oil : en fr
  • DE594473C - Process for the dismantling of large deposits : de en
  • DE594581C - Process for producing high-gloss bottle capsules consisting of a pigment-containing and an essentially pigment-free layer : de en
  • US1951748A - Spool : en
  • DE594556C - Engine propellant : de en
  • US1951963A - Flush valve : en
  • GB407607A - Improvements in or relating to automatic feed weighers : en
  • US1951843A - Tuft : en
  • US1951706A - Ornamental setting for jewels and the like : en
  • DE594681C - Process for the preparation of diesters of diethylmalonic acid : de en
  • DE594692C - Wrapping device for a permanent wave device : de en
  • DE594816C - Multiple electrical fuses, especially for motor vehicles : de en
  • GB407385A - Improvements in optical valves : en
  • GB407384A - Improvements relating to change speed gears : en
  • FR761653A - Hygienic product for the feet : en fr
  • DE594643C - Ambulance with stretchers arranged one above the other : de en
  • FR761583A - Device for soldering the current supply wires of electric lamps and discharge vessels to the base : en fr
  • DE594757C - Protection circuit for single busbar systems : de en
  • GB407464A - Improvements in manicuring instruments : en
  • US1951422A - Anatomical model : en
  • US1951906A - Door operating device : en
  • US1952028A - Rotary printing machinery : en
  • GB407615A - Improvements in the combustion of liquid fuel : en
  • DE594738C - Safety razor : de en
  • DE594962C - Process for brewing rustproof steel : de en
  • DE594838C - Process for the production of an artificial stone mass, primarily for flooring : de en
  • US1951993A - Take-off roll for glass tubing and cane : en
  • DE594975C - Rail deflection contact with liquid effect : de en
  • GB407648A - Safety arrangement for use in the killing of whales by electricity : en
  • DE594575C - Piston compressor : de en
  • GB407614A - Improvements in or relating to inner tubes for pneumatic tyres : en
  • DE594959C - Chopping machine for cross chopping row crops : de en