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  • AU1214333A - Improvements relating to coin-freed mechanism for gas and similar meters : en
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  • US1951687A - Method of stretching wire ropes : en
  • DE594616C - Suction cups for cleaning devices of threshing machines : de en
  • FR761695A - Steam generator device for irons : en fr
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  • US1951905A - Door operating device : en
  • US1952027A - Electric system for toy vehicles : en
  • US1952021A - Process for the direct syntheses of ammonia : en
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  • US1951439A - Gas stove burner : en
  • DE594709C - Coupling device for claw couplings : de en
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  • US1951650A - Pyrometer and casing therefor : en
  • US1951496A - Refrigerating apparatus and method : en
  • GB407500A - Improvements in or relating to the cooling of water in cooling towers : en
  • FR761502A - : fr
  • US1951629A - Pressure and temperature recording device for wells : en
  • US1951938A - Tractor : en
  • US1951870A - Process of obtaining products from toad poisons : en
  • US1951770A - Process for the production of noncorrosive paint pigments : en
  • GB407607A - Improvements in or relating to automatic feed weighers : en
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  • DE594759C - Device for polishing and crimping fibers : de en
  • DE594789C - Process for briquetting brown coal : de en
  • DE594897C - Jigging machine with side concentrate discharge : de en
  • DE594992C - Folding glasses : de en
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  • GB407716A - Improvements in coke ovens : en
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  • USD91763S - Design for an alphabet for forming : en
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  • GB407408A - The manufacture of acyl acetic hydroxyarylamides : en
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  • FR761474A - Process for manufacturing aliphatic anhydrides : en fr
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  • US1951684A - Continuous pulp selector : en
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  • US1951795A - Mineral separator : en
  • US1951865A - Quick release pistol holster : en
  • FR761518A - Improvements in number indicating devices for use by people who knit or as a calendar, game marker, etc. : en fr
  • FR761490A - Folding centesimal scale : en fr
  • FR761694A - Process for the manufacture of iron oxides : en fr
  • FR761675A - Motor vehicle trailer : en fr
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  • DE594681C - Process for the preparation of diesters of diethylmalonic acid : de en
  • US1951457A - Universal framework : en
  • DE594905C - Method and device for cementing steel and iron : de 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
  • DE594673C - Electric forging machine : de en
  • US1951477A - Means for connecting wheel supports to barrow frame : en
  • US1951409A - Electric circuit closer : 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
  • 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
  • US1951730A - Laminated shim : en
  • US1951893A - Electrodeposition of metal alloys : en
  • FR761647A - Improvements made to power line transmission systems : en fr
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  • GB407714A - Improvements in and relating to electric converting apparatus : en
  • US1951886A - Process and apparatus for the manufacture of hydrated calcium chloride : en
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  • GB407568A - Improvements in valve mechanisms for controlling the supply of gaseous or liquid fuel to burners : en
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  • DE594704C - Screening device for plate dryer : de en
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  • US1951645A - Clean-out plug : en
  • USD91784S - Design for a bottle : en
  • GB407414A - Device for use in softening butter, fats, waxes and the like : en
  • US1951697A - Automatic pressure control : en
  • DE594954C - Reinforced concrete cross-sleeper with a pre-tensioned lower chord as a compression chord : de en
  • GB407580A - Improvements in or relating to airless injection compression ignition oil engines : en
  • US1951586A - Machine tool : en
  • US1951627A - Rotary sand blast pressure gun : en
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  • FR761539A - Paver or slab of rubber and concrete or its equivalent : en fr
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  • FR761533A - Sealing device in sleeve joints for pipes : en fr
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  • FR761676A - Manufacturing process of connecting rods : en fr
  • DE594778C - Thread brake with a tension body wrapped around and driven by the thread : de en
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  • DE594595C - Device for controlling the actinity and brightness of a copy, measurement or comparison light source when copying photographic negatives : de en
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  • FR761408A - Position light for motor cars : en fr
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  • US1951918A - Electrical bonding : en
  • GB407386A - Improvements in capsules for stopping bottles and the like : en
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  • US1952011A - Insulator coupling means : en
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  • FR761667A - : fr
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  • GB407466A - Improvements in or relating to carriers for garments and the like : en
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  • US1951849A - Periscope head : en
  • US1952006A - Automatic razor blade etching machine : en
  • CA340261A - Transparent film : en fr
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  • FR761696A - Electrical current interruption warning device : en fr
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  • US1951790A - Method and apparatus for treating asphalt : en
  • US1951992A - Separation of acid gases : en
  • US1951741A - Vehicular tank support : en
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  • FR761620A - Process for the production and control of electronic flows : en fr
  • US1951683A - Oil-purifying apparatus for hydrocarbon engines : en
  • US1951743A - Method of producing a prepared breaking point in ampulle : en
  • US1951783A - Instrument board lighting device : en
  • US1952026A - Refrigerant receptacle : en
  • GB407552A - Improvements in or relating to photographic cameras : en
  • US1951713A - Production of hydrocarbons of low boiling point from those of higher boiling point : en
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  • CA340251A - Line space lock release mechanism : en fr
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  • GB407725A - Improvements in or relating to apparatus for use as a toy, or for advertising, display or decorative purposes : en
  • DE594890C - Zinc cups for electrical elements for flashlights, anode devices, etc. like : de en
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  • US1951898A - Clothesline tightener and pole holder : en
  • US1951948A - Joint or attachment of parts in engines and the like : en
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  • GB407384A - Improvements relating to change speed gears : en
  • FR761516A - Movable element bearing : en fr
  • DE594700C - Device for automatic switching of the motor vehicle headlights : de en
  • US1951840A - Stabilization of light hydrocarbon oils and particularly pressure distillate : en
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  • GB407968A - Improvements in or relating to arrangements for automatically controlling the playing of gramophone records : en
  • USD91792S - Design for a lamp shade : en
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  • US1951449A - Process of reducing and alloying metals : en
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  • FR761737A - Manufacturing process for stretchable electrical conductors : en fr
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  • US1951762A - Film advancing mechanism for motion picture apparatus : en
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  • DE594665C - Automatic cutting device for brick extrusion presses : de en
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  • USD91774S - Design fok a table stove : en
  • DK48526C - Device for Screens for Electric Lamps. : da en
  • US1951500A - Keying : en
  • US1951716A - Apparatus for geophysical exploration : en
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  • US1951888A - Folding table : en
  • US1951903A - Sound film recording system : en
  • US1951746A - Vending machine : en
  • US1951377A - Method of forming rubber gloves : en
  • US1951814A - Insulating element for electrolytic cells : en
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  • GB407987A - Improvements in carburetters for internal combustion engines : en
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  • US1951565A - Valve : en
  • US1951625A - Automobile signaling device : en
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  • GB407595A - Improved switch applicable for use in regulating electrical appliances, such as hot plates, heaters and the like : en
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  • CA340335A - Manifold record packet : en fr
  • CA340113A - Insulating structure : en fr
  • 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
  • AU1276433A - Improved insulation for heat, cold or sound : en
  • AU1131533A - Improvements in cutters for sheepshearing machines : en
  • US1951461A - Apparatus for measuring electrical quantities : en
  • US1951914A - Riveting device : en
  • US1951389A - Paper slitting and stacking device : en
  • US1951775A - Haircutting appliance : en
  • DE594858C - Burner for pulverized coal firing : de en
  • CA340148A - Lampshade : en fr
  • CA340307A - Oil fractionating apparatus : en fr
  • GB407558A - Improvements in and relating to pivoted joints : en
  • CA340138A - Television : en fr
  • CA340249A - Water heater : en fr
  • FR761634A - Carburetor for internal combustion engine with external heat source ignition : en fr
  • USRE19117E - Process of producing closures : en
  • GB407602A - Spark-gap apparatus for producing electric oscillations : en
  • FR761526A - Safety lock : en fr
  • US1951614A - Voltage supply system for vacuum tubes : en
  • US1951844A - Apparatus for severing wrappers from webs and feeding said wrappers to package-making machines : en
  • DK48515C - Device for Attaching the Piston Rod to the Crosshead in Piston Power Machines. : da en
  • DE594645C - Mobile shelf or similar ladder : de en
  • GB407951A - Improvements in or relating to electric circuits for television systems : en
  • CA340181A - Cellular building block : en fr
  • CA340213A - Constant current regulator : en fr
  • GB407508A - Improvements in and relating to machines operating with a flow of impelling or impelled fluid : en
  • FR761404A - Connection for electrical pipes : en fr
  • USD91753S - Design for a grave vault or similar : en
  • CA340222A - Elevator door operating system : en fr
  • CA340301A - Electron discharge device : en fr
  • GB407495A - Improvements in or relating to packing material for boxes : en
  • FR761687A - Magnet for finding and collecting small metal objects : en fr
  • GB407469A - Improvements in and relating to magnetos : en
  • GB407547A - Oil-control piston rings : en
  • US1951839A - Riveting device : en
  • DE594560C - Small hand wringer : de en
  • DE594843C - Turning device for molding machines : de en
  • GB407658A - Improvements in and relating to thermocouples : en
  • US1951803A - Production of gases for feeding explosion motors : en
  • US1951957A - Fruit packer : en
  • US1951690A - Battery terminal clamp : en
  • CA340210A - Electrical distribution system : en fr
  • US1951459A - Trolley slide : en
  • US1951464A - Aircraft : en
  • US1951688A - Safety razor : en
  • US1951932A - Grid-forming mechanism : en
  • US1951993A - Take-off roll for glass tubing and cane : en
  • US1951996A - Brewing pan : en
  • CA340185A - Shears : en fr
  • US1951879A - Cotton drier : en
  • FR761493A - Process for woodworking in the manufacture of wooden objects : en fr
  • GB407590A - Improvements in or relating to combustion-product engines : en
  • US1951499A - Table : en
  • US1951620A - Decalcomania paper : en
  • US1951445A - Manufacture of one-piece window envelope blanks : en
  • GB407505A - Improvements in chain shifting devices for cycles : en
  • US1951469A - wetting and dispersing agents : en
  • US1951759A - Internal combustion engine : en
  • DE594944C - Crown lock with overlapping retaining tongues : de en
  • CA340219A - Elevator brake : en fr
  • US1951561A - Gift-wrapping assembly : en
  • US1951896A - Photographic camera : en
  • FR761449A - Band saw guide : en fr
  • US1951578A - Oscillograph galvanometer : en
  • USD91779S - Design for a textile fabric : en
  • GB407719A - Improvements in or relating to pressure adjustments for cylinders of printing and other machines : en
  • GB407502A - Improvements relating to organ pipes : en
  • US1951900A - Bed and cylinder printing press : en
  • USD91749S - Design for a velocipede : en
  • DE594634C - Electric discharge tubes with metal vapor filling, in particular for emitting light beams : de en
  • US1951386A - Electrical prospecting : en
  • 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
  • GB407653A - Improved cleaning and polishing implement particularly for boots and shoes : en
  • FR761572A - High frequency coil : en fr
  • FR761656A - On-the-fly variable four-stroke explosion engine : en fr
  • 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
  • FR761528A - Improvements in the manufacture of ampoules intended for injections of serums and hypodermic solutions, to facilitate the expulsion of said liquids : en fr
  • DE594545C - Drive for bundle presses u. like : de en
  • GB407641A - Improvements in and connected with cramps for assembling window and like frames : en
  • DE594742C - Conveyor system with conveyor wagon : de en
  • US1951581A - Self-contained opening die : en
  • US1951983A - Laminated board : en
  • US1952024A - Educational apparatus : en
  • FR761447A - Mechanized system of architectural constructions : en fr
  • GB407570A - Improvements in coin-freed apparatus : en
  • DE594554C - Process for the representation of blue to blue-violet sulfur dyes : de en
  • DE594806C - Preservation of peroxide solutions : de en
  • DE594970C - Pressure rollers : de en
  • US1951503A - Lubrication device : en
  • US1951902A - Heater attachment for automobile headlamps and the like : en
  • US1951467A - Sign : en
  • CA340204A - Electrical regulator : en fr
  • GB407464A - Improvements in manicuring instruments : en
  • CA340202A - Electric power converting apparatus : en fr
  • CA340272A - Engine fuel device : en fr
  • FR761421A - Device for catching insects : en fr
  • US1951589A - Means for distributing cigarettes delivered from a continuous rod cigarette machine : en
  • US1951489A - Process for the production of a compound fertilizer : en
  • DE594707C - Switching device for conveyor drums : de en
  • DE594754C - Flush box : de en
  • US1951998A - Sectional inflating device : en
  • AU1264033A - Process forthe removal of water from water containing highly viscous oil orthe like : en
  • DE594978C - Broadcast antenna to give preference to ground radiation : de en
  • CA340136A - Window : en fr
  • FR761581A - Airboat device : en fr
  • GB407729A - Process for obtaining oil from sea animals and oil rich fish : en
  • GB407448A - Improvements in or connected with screw cutting die heads : en
  • US1951370A - Welt sewing machine : en
  • US1951745A - Process and apparatus for bleaching fabrics in open width condition : en
  • US1951920A - Thermostatic control switch : en
  • US1952012A - Grease and method of lubrication : en
  • GB407515A - A liquid-tight stator winding for a submersible electric motor : en
  • FR761586A - Improvements to centrifugal separators : en fr
  • DE594664C - Process for applying films made of hydrate cellulose to all kinds of substrates : de en
  • US1951616A - Hair curling device : en
  • DE594666C - Building material made from magnesium chloride lye with magnesite and fillers : de en
  • DE594911C - Circuit arrangement for telephone systems with dialer operation : de en
  • US1951895A - Stair : en
  • US1951787A - Method and apparatus for countercurrent treating : 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
  • GB407629A - Improvements in machines for washing bottles and like vessels : en
  • US1951781A - System for electrical transmission and reception of pictures, documents, and the like : en
  • US1951350A - Flash boiler control : en
  • GB407990A - Improvements in the manufacture, production and recovery of sulphonation products : en
  • DE594310C - Process for the production of storable bitumen emulsions, especially for road construction : de en
  • FR761615A - Improvements to independent axles for automobiles : en fr
  • FR761568A - A method of making soaps; very fatty shaving creams and similar products : en fr
  • US1951709A - Grip device : en
  • US1952004A - Phosphorus furnace operation : en
  • CA340333A - Imitation fire : en fr
  • US1951799A - Ammeter : en
  • US1951436A - Meat curing method : en
  • CA340315A - Insecticide : en fr
  • GB407458A - Improvements in or relating to valve voltmeters : en
  • AU1358033A - Improvements in and connected with foldable containers : en
  • DE594956C - Fluid switch : de en
  • CA340308A - Olefine removal : en fr
  • CA340330A - Wrench : en fr
  • US1951788A - Banding cigars : en
  • US1951940A - Process for making thin pressed fibrous articles : en
  • US1951661A - Means for applying a trimming condenser to a main condenser : en
  • US1951955A - Air filter : en
  • US1951729A - Combined light and reflector : en
  • US1951851A - Apparatus for cleaning, polishing, and like purposes : en
  • CA340227A - Elevator safety device : en fr
  • CA340187A - Television receiver : en fr
  • US1951359A - Portable explosion turbine plant without atmospheric recooling : en
  • US1951946A - Guide roller : en
  • DE594277C - Piston steam engine with downstream exhaust steam turbine : de en
  • CA340309A - Oil sweetening process : en fr
  • US1951827A - Process and machine for combing and ironing of skins : en
  • US1951931A - Sound reproducing apparatus : en
  • US1951679A - Refrigerating apparatus : 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
  • CA340209A - Electric illuminating apparatus : en fr
  • DE594988C - Device for measuring the parallel coordinates of the points on a flat surface : de en
  • DE594824C - Glass blow mold : de 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
  • US1951782A - Process for making esters of acrylic acid : 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
  • CA340215A - Laminated article manufacture : en fr
  • CA340135A - Reciprocatory pump apparatus : en fr
  • CA340168A - Shipping carton : en fr
  • FR761570A - Improvements with vat dyes : en fr
  • DE594644C - Holy water dispenser : de en
  • US1951672A - Fluid pressure brake : en
  • USD91768S - Design fob a portable cooling sys : en
  • US1951742A - Fertilizer : en
  • GB407557A - Improvements in or relating to looms having a plurality of weft inserting needles : en
  • US1951394A - Tubing : en
  • USD91783S - Design fob a candlestick ob article : en
  • DE594650C - Process for the production of low-oxygen copper : de 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
  • US1952037A - Altimeter : en
  • DE594670C - Device for mechanical recovery : de en
  • DE594861C - Anesthetic equipment : de en
  • GB407932A - Improvements in means for stiffening soft and semi-stiff collars : en
  • CA340137A - Playground device : en fr
  • GB407410A - An improved crank drive for pumps : en
  • GB407548A - Improvements in or relating to change speed gearing : en
  • GB407646A - Fasteners for bags : en
  • FR761574A - Method of adjusting carburetors for internal combustion engines : en fr
  • AU1178533A - Improvements in structures of concrete or like material andan improved unit for use therein : en
  • US1951904A - Liquid circulating device : en
  • US1951868A - Process for the decoration of ceramic ware : en
  • 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
  • GB407413A - Improvements in process of centrifugal casting and apparatus therefor : en
  • DE594412C - Process for the production of filter media : de en
  • US1951643A - Pile forming apparatus : en
  • DE594793C - Electron tube amplifier : de en
  • FR761610A - Safety inner tube for tire and its valve : en fr
  • GB408004A - Process for the hydrogenation under pressure of distillable carbonaceous materials : en
  • CA340207A - Electric regulator : en fr
  • CA340177A - Furnace recuperator for producer gases : en fr
  • US1951922A - Clamp : en
  • USD91757S - Design for an alphabet for forming : en
  • DE594674C - Playback device for sound film or pure sound film : de en
  • DE594720C - Circuit for generating high voltages using several transformers : de en
  • US1951689A - Speed checking and control mechanisms : en
  • US1951921A - Speed controlled device : en
  • US1951342A - Gaseous reduction of metal oxides : en
  • US1951837A - Piston skirt expander : en
  • GB407925A - A method of and a system for controlling the supply of liquid fuel to an internal combustion engine : en
  • CA340206A - Electric power converting apparatus : en fr
  • FR761682A - Riveuse : en fr
  • GB407418A - Improvements in pressure reducing valves : en
  • FR761678A - Panel-stencil silhouette simulating a character dressed for the presentation or exhibition of fabrics : 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
  • FR761606A - : fr
  • GB407451A - Improvements in barometers and like instruments : en
  • US1951412A - Process and apparatus for preparation of frozen comestibles : en
  • DE594918C - Device for converting high voltages through spark transfer between two electrodes : de en
  • GB407553A - Improvements in means for supplying air to liquid fuel furnace : en
  • FR761420A - Combustion regulator for steam heating system operating under variable vacuum : en fr
  • DE594852C - Railway wheel with replacement of worn material by welding : de en
  • GB407468A - Improvements in lighting apparatus : en
  • GB407685A - Process for the manufacture of derivatives of the barbituric acid series : en
  • US1951352A - Feed fluid controller : en
  • FR761672A - Protective coatings and process for applying and removing them : en fr
  • FR761506A - Process for obtaining gas from water : en fr
  • GB407619A - Improvements in or relating to the control of vapour arc rectifiers : en
  • GB407726A - Improvements in or relating to rotary brushes : en
  • GB407425A - Improvements in fuel burners : en
  • DE594781C - Metal construction kit : de en
  • DE594912C - Device for pressure relief for extinguishing chambers of liquid switches : de en
  • CA340174A - Spare tire cover : en fr
  • DE594637C - Electric cooking and heating device with heating conductors, which are arranged in mutually movable, self-contained and rigid heating elements : de en
  • GB407396A - Improvements in and relating to high voltage testing apparatus : en
  • US1951456A - Refrigerator defroster : en
  • DK48530C - Device by Lights for Vehicles. : da en
  • GB407636A - Washing machine : 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
  • FR761637A - Electronic lamp : en fr
  • CA340236A - Voltage supply means : en fr
  • DE594784C - Light liquid separator : de 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
  • DE594936C - Automatic photographic shutter with forward mechanism : de en
  • GB407537A - Improvements in or relating to the manufacture of sliding clasp fastenings : en
  • CA340258A - Locomotive booster motor : en fr
  • CA340232A - Elevator safety device : en fr
  • US1951422A - Anatomical model : en
  • FR761619A - : fr
  • DE594598C - Retractable gondola for aircraft : de en
  • GB407487A - Improvements in transmission mechanism for automobiles : en
  • US1951410A - Excavating machine : en
  • DE594689C - Feed device for oil firing systems : de en
  • US1951812A - Carburation and means therefor : en
  • US1952018A - Auxiliary sash construction : en
  • US1951657A - Refrigerant vaporizer : en
  • USD91765S - Design for a pocket clip for pens : en
  • CA340302A - Tuning device : en fr
  • US1951591A - Protection terminal for batteries : en
  • DE594746C - Deck chair for performing intestinal baths : de en
  • GB407615A - Improvements in the combustion of liquid fuel : en
  • 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
  • DE594902C - Process for the production of slag phosphates by the wet route : de en
  • DE594683C - Monitoring against earth faults in turnout, signal and dependency lines for power stations : de en
  • AU1178433A - Improvements in or relating to brushes : en
  • US1951835A - Motor and system of controlling the same : en
  • US1951950A - Method and apparatus for cooling glass articles : en
  • US1951855A - Heater : en
  • US1951566A - Universal induction regulator : en
  • US1951971A - Heating apparatus : en
  • CA340264A - Centrifugal casting method : en fr
  • CA340305A - Amplifier input system : en fr
  • US1951562A - Picker stick mechanism : en
  • DE594739C - Device for removing leather fittings arranged on shoe soles (leather pins) : de en
  • DE594790C - Flat stencil printer : de en
  • CA340121A - Trousers press : en fr
  • US1951967A - Warp tension equalizer : en
  • USD91787S - Design fob a bottle ob similab : en
  • DE594614C - Process for reducing iron ore mixed with carbon in narrow retorts arranged between heating chambers within a furnace : de en
  • US1951398A - Hydraulic jack : en
  • USD91759S - Design for an alphabet for forming : en
  • CA340129A - Liquid container : en fr
  • CA340151A - Wheel rim bead : en fr
  • DE1295643U - : de en
  • US1951559A - Jar closure : en
  • USD91764S - Design for an alphabet fob forming : en
  • US1951576A - Brush protecting device : en
  • US1951734A - Stretching frame : en
  • US1951989A - Spark intensifier for spark plugs : en
  • CA340124A - Writing tablet : en fr
  • CA340183A - Photographic material : en fr
  • CA340296A - Glass drawing roller : en fr
  • CA340221A - Electrical distribution system : en fr
  • US1951438A - Hat forming device : en
  • US1951826A - Electric mincer : en
  • US1951869A - Work holding device : en
  • US1951442A - Microphone : en
  • GB407421A - Improvements in means for operating a plurality of electric switches by a single operating member : en
  • US1951963A - Flush valve : en
  • US1951421A - Wall structure : en
  • US1951333A - Signal transmission control system : en
  • US1951607A - Refrigerator pump : en
  • US1951976A - Process for producing alloyed iron and steel : en
  • US1951458A - Planter : en
  • DE594699C - Uninterrupted press to separate fluids from solids : de en
  • CA340252A - Dilute acid : en fr
  • 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
  • US1951371A - Apparatus fob manufacturing match : en
  • FR761670A - : fr
  • FR761537A - Fire alarm device : en fr
  • GB408202A - Improvements in or relating to the automatic frequency regulation of alternating current supplies : en
  • DE594532C - Motorless airplane with swinging wings : de en
  • DE594949C - Process for cleaning water, in particular waste water, with the separation of components contained therein : de en
  • US1951813A - Muffler construction : en
  • GB407412A - Improved means for tuning wireless receiving apparatus : en
  • US1951806A - Filled fibrous material : 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
  • GB407578A - Manufacture of indigoid dyestuffs : en
  • CA340196A - Cooking utensil : en fr
  • GB407455A - Means for preventing undesired arc formation in electric discharge apparatus : en
  • GB407730A - Improvements in or relating to clutches : en
  • DE594609C - Method and device for sealing of overlapping tape ends of a strapping of packages which are connected by a sleeveless closure : de en
  • DE594985C - Process for the production of a hardened surface in rubber goods : de en
  • FR761517A - Improvements in galvanic cobalting processes : en fr
  • US1951667A - Toaster : en
  • US1951908A - Resistance testing machine : en
  • DE594724C - Fabric take-off device for flat weft knitting machines : de en
  • CA340255A - Spectacles : en fr
  • FR761406A - First for shoes : en fr
  • FR761422A - Reversible plow : en fr
  • DE594864C - Spice shaker : de en
  • GB407472A - Improved method of and means for producing hollow billets for hollow drills and the like : en
  • GB407526A - Improvements in the recovery of alcohol from bread baking ovens : en
  • US1951987A - Two-cycle internal combustion engine : en
  • GB407511A - Carburetter for internal combustion engines : en
  • DE594979C - Electric time switch for stair lighting : de en
  • DK48525C - Detergent. : da en
  • DK48535C - Control device for Fuel Pumps. : da en
  • FR761625A - : fr
  • GB407963A - A process for concentrating all kinds of precious metal ores by frothflotation : en
  • US1952020A - Distillation of tar or pitch to coke and apparatus therefor : en
  • US1952029A - Process for manufacturing sulphur dyestuffs : en
  • DE594574C - Circular knitting machine : de en
  • GB407610A - Improved receptacle filled with a liquid jelly or viscous substance, adapted for use as a syringe : en
  • DE594569C - Liquid switch with more than two interruption points in series : de en
  • DE594479C - Filler toothbrush : de en
  • DE594997C - Schraenkverfahren of saw teeth : de en
  • FR761418A - Double trigger mechanism for firearms : en fr
  • DE594551C - Process for the preparation of alkyl chlorides or bromides : de en
  • GB407589A - Improved arrangements for producing alternating currents using discharge devices : en
  • FR761690A - Crampon for securing objects with an almost flat bearing surface : en fr
  • GB407601A - Improvements in shirts : en
  • GB407702A - Improvements in or relating to the manufacture of sulphuric acid esters of leuco derivatives of vat dyestuffs : en
  • US1951859A - Piston skirt expander : en
  • US1951907A - Releasable door fastener : en
  • DE566918C - Device for removing the bottom sheet of a stack of sheets : de en
  • DE594568C - Small lever switch : de en
  • FR761679A - Sound reproduction device : en fr
  • DE594764C - Process for the production of fibers or threads from glass, slag and similar fusible materials : de en
  • DE594901C - Process for the production of printing forms or matrices from fragile natural structures : de en
  • CA340144A - Folding box : en fr
  • US1951546A - Billiard cue : en
  • US1951470A - Crimping and sealing edge for light gauge sheet materials : 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
  • US1951452A - Plane : en
  • US1951552A - Safety razor : en
  • US1952032A - Printing press : 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
  • DE594663C - Process for the production of coatings from lacquers, stand oils, lacquer and stand oil paints and rust protection paints : de en
  • FR761456A - Product for waterproofing paper, fabric, cardboard or other materials : en fr
  • GB407923A - Improvements relating to combination gas and solid fuel fires : en
  • DE594961C - Injection carburetor : de en
  • US1951960A - Combination adjustable chair and easel : en
  • DE594975C - Rail deflection contact with liquid effect : de en
  • US1951393A - Surgical knife : en
  • US1951649A - Crank case flushing apparatus : en
  • US1951768A - Control valve for fluid systems : en
  • US1951374A - Manufacture of shoes : en
  • US1951637A - Starting mechanism for internal combustion motors : en
  • US1951658A - Hair curler : en
  • DE594684C - Amplifier circuit : de en
  • FR761691A - Turbine control for boats : en fr
  • DE594959C - Chopping machine for cross chopping row crops : de en
  • DE594914C - Leonard drive for reciprocating motion, especially for planing machines : de en
  • FR761540A - Advanced slipper and its manufacturing process : en fr
  • FR761527A - Double beam traffic light : en fr
  • GB407393A - Improvements relating to automatic weighing apparatus : en
  • GB407639A - Vane water meter : en
  • US1951834A - Veneer cutting machine : 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
  • CA340279A - Wire wheel spoke : en fr
  • US1951717A - Decorative device : en
  • US1951776A - Scalp treating apparatus : en
  • GB407684A - The manufacture of disazodyestuffs containing copper : en
  • DE594686C - Method for measuring the temperature of oil-filled cables with several intercommunicating expansion vessels : de en
  • DE594879C - Device for holding the carriage frame in a position that is approximately parallel to the roadway, especially for motor vehicles : de en
  • US1951361A - Coil mounting for high frequency systems : en
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  • FR761545A - Improvements made to fluid dispensing valves, in particular those included in liquid measuring devices : en fr
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  • CA340199A - Electrical transmission system : en fr
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  • FR761596A - Improvement to doors or panels : en fr
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  • US1951568A - Manufacture of tubes and particularly tubes for heat transference devices : en
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  • DE594891C - Hand tool for stripping wire ends : de en
  • DE594583C - Card sheet : de en
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  • US1951958A - Heat transferring device : en
  • DE594734C - Garden device for smoothing the edge of the bed : de en
  • GB407403A - Improvements in or relating to the delivery of fasteners from a supply thereof : en
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  • US1951772A - Molding powder : en
  • US1951939A - Light source : en
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  • DE594607C - Cartridge case drawn from one piece : de en
  • US1951355A - Colloidal bromine and process of making the same : en
  • DE594867C - Locking device for mobile furniture with castor feet : de en
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  • FR761564A - Children's bed convertible into a sofa : en fr
  • GB407606A - Means for transmitting line signals to moving trains : en
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  • FR761458A - luminous and non-slip multi-tiered marking elements : en fr
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  • US1951933A - Translucent material : en
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  • US1951935A - Process for sintering fine ores or the like : en
  • US1951462A - Scraping means for sewage disposal plants : en
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  • GB407648A - Safety arrangement for use in the killing of whales by electricity : en
  • DE594779C - Color spinning top with interchangeable color discs : de en
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  • USD91766S - Design fob a kettle ob similab : en
  • US1951507A - Door mounting : en
  • US1951747A - Process for the manufacture of esters : en
  • FR761652A - One-handed, self-filling, valve-less syringe : en fr
  • US1951941A - Safety block : en
  • US1951818A - Oil burner : en
  • CA340198A - Alloy : en fr
  • CA340280A - Railway car coupler : en fr
  • CA340158A - Sanitary girdle : en fr
  • CA340143A - Explosive mixture : en fr
  • CA340208A - Electric control system : en fr
  • DE594898C - One-piece plate-shaped holder for socks and socks : de en
  • FR761686A - Process for obtaining sulfur, or hydrogen sulphide, or mixtures of hydrogen sulphide, sulfur dioxide and sulfur starting from materials containing sulfur : en fr
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  • CA340278A - Money chest : en fr
  • US1951669A - Method and apparatus for producing sound : en
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  • DE594934C - Roll film cassette : de en
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  • 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
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  • USRE19118E - Container : en
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  • DE594768C - Formwork support for shuttering concrete ceilings or similar components : de en
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  • US1951853A - Process of producing sheets of cellulosic plastic : en
  • FR761519A - Improvements to billiards : en fr
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  • FR761522A - Method and apparatus for the continuous magnification of crystals : en fr
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  • US1951468A - Wood heel spooling machine : en
  • US1951554A - Shears sharpening outfit : en
  • CA340275A - Magnetic alloy product : en fr
  • US1951673A - Permanent lock for loose leaf binders : en
  • US1951809A - Apparatus for employing vacuum on porous laminated : en
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  • US1951945A - Method of treating metal parts to prevent adhesion of molten metal and composition of matter employed therein : en
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  • CA340203A - Electrical protective arrangement : en fr
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  • US1951569A - Apparatus for treatment with light rays : en
  • GB407643A - Improvements in baths : en
  • US1951526A - Urea-aldehyde plasticized resin and process of making the same : en
  • US1951909A - Excavating shovel : en
  • US1951575A - Electric current rectifying system : en
  • CA340132A - Rotary drum or roller : en fr
  • 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
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  • FR761668A - Fuel gas manufacturing process : en fr
  • FR761577A - Thermal motor : en fr
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  • US1951656A - Fixture and support therefor : en
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  • USD91760S - Design for an alphabet for forming : en
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  • CA340323A - Electro-optical system : en fr
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  • US1952030A - Automatic clock winding mechanism : en
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  • CA340243A - Moulding composition : en fr
  • US1951334A - Method and apparatus for manufacturing pipe bends and the like : en
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  • DE594925C - Elastic, double-legged clamp clasp for fixing hair pieces, curved according to the shape of the head : de en
  • DE594995C - throttle : de en
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  • US1951399A - Razor, sharpener, razor blade sharpening instrument, and razor blade : en
  • US1952005A - Control for producers of inert gases : en
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  • CA340327A - Molten metal processing : en fr
  • DE594592C - Device for adjusting the distance of cameras, in particular roll film cameras : de en
  • US1951789A - Production of acetic acid : en
  • US1951612A - Vacuum tube stem : en
  • US1951640A - Dual use hydraulic machine : en
  • DE594755C - Multiple break switch : de en
  • US1951547A - Stabilizer : en
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  • US1951864A - Parachute : en
  • DE594223C - Automatic railroad crossing barrier : de en
  • DK48536C - Switching device for single-stranded suspension tracks with rod-shaped rail strings, e.g. consisting of pipes. : da en
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  • AU1083933A - Improvements relating tothe bead wire of pneumatic tyres : en
  • US1951544A - Self-sealing tube : en
  • US1951952A - Printing machine for sensitized material : en
  • US1951638A - Deep well whipstock : en
  • US1952003A - Abrasive apparatus : en
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  • DK48524C - Device for milk transport buckets or similar. : da en
  • US1951593A - Long chain esters and compositions thereof : en
  • US1951794A - Shotgun tracer cartridge : en
  • US1952002A - Process of manufacturing composite steel articles : en
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  • DE594919C - Electrode for electric ovens consisting of individual burnt carbon segments and an unfired core : de en
  • US1951841A - Rotakt shear : en
  • US1951648A - Oil burner : en
  • US1951897A - Pressure relief device : en
  • US1951974A - Tire vulcanizing mold : en
  • US1952036A - Container : en
  • US1951972A - Adapter for trays and the like : en
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  • US1951791A - Electrical signaling system for elevators : en
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  • CA340297A - Fluorescent screen forming method : en fr
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  • GB407489A - Improved clothes hanger : en
  • GB407632A - Improvements relating to double-acting two-stroke cycle diesel engines for locomotives : en
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  • USD91773S - Design fob a bucgle : en
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  • US1951345A - Transmission mechanism : en
  • US1951777A - Device for preserving flowers in floral sprays : en
  • US1951715A - Uniform speed reel : en
  • GB407406A - Improvements in glass polishing tools : en
  • CA340322A - Loom take-up motion : en fr
  • US1951981A - Electrical connection : en
  • US1951751A - Gas compressor : en
  • US1951930A - Apparatus for hanging tobacco : en
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  • US1951574A - Method of working in the reproducing arts : en
  • US1951626A - Artificial bait : en
  • US1951513A - Stranding, cabling, ropemaking, and lapping machine : en
  • US1951882A - Apparatus and method of operation of braking systems and stop lights : en
  • US1951829A - Pressure control device : en
  • US1951600A - Temple thread cutter : en
  • US1951659A - Spring roller venetian blind : en
  • FR761446A - Product for sizing natural or artificial textile fibers : en fr
  • GB407545A - Improvements in or relating to compositions and articles comprising cellulose derivatives : en
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  • AU1129133A - An improved luggage carrier for motor vehicles : en
  • US1951520A - Process of producing hydrocyanic acid : en
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  • US1951444A - Beet topper : en
  • US1951655A - Supporting means for refrigerating apparatus : en
  • US1951767A - Pattern attachment for knitting machines : en
  • US1951472A - Tank-filling nozzle with gauge : 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
  • CA340125A - Tire boot : en fr
  • CA340262A - Furfuryl xanthate : en fr
  • FR761631A - Gearless gyroscopic rotating fan : en fr
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  • FR761557A - Barrette and comb to wrap and adorn hair : en fr
  • CA340266A - Wrap stripe fabric : en fr
  • 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
  • US1951861A - Process of wax purification : en
  • US1951758A - Method of and apparatus for supplying carbon dioxide gas : en
  • DE594762C - Pneumatically or hydraulically operated device for locking molding boxes on model or reversible plates : de en
  • GB407617A - Improvements in or relating to means for discharging furnace residues : en
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  • US1951670A - Channel : en
  • US1951735A - Machine for screening gin trash : en
  • CA340268A - Knitting machine thread mechanism : en fr
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  • GB407405A - Improvements in electro-mechanical devices such as instruments for recording, reproducing, or transmitting sound : en
  • CA340273A - Potato digger : en fr
  • AU1357833A - Improvemeats in and connected with a method and means for joining and fastening wire bound boxes and crates : en
  • US1951527A - Combination tourist and picnic bag and blanket : en
  • US1951674A - Upholstered seat construction : en
  • CA340295A - Wired glass making apparatus : en fr
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  • FR761607A - New Water Insoluble Mono-Azo Dyes and Method of Preparation : en fr
  • US1951388A - Multispeed clutch and transmission mechanism : en
  • US1951585A - Cabinet for toothbrushes : en
  • CA340118A - Hair drier : en fr
  • DE594540C - Device for a cleaning shaft for polishing the sole edges : de en
  • GB407454A - Improvements in or relating to electric protective arrangements : en
  • FR761440A - Device for stapling jewelry or other similar objects to a fabric or garment : en fr
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  • US1951493A - Method of manufacturing shoes : en
  • US1951515A - Box attachment : en
  • US1951862A - Apparatus for burning pulverized fuel : en
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  • GB407534A - Treatment of tar used as sealing medium for the pistons of waterless type gas holders : en
  • FR761460A - Ferroalloys deoxidation process : en fr
  • FR761654A - Method and apparatus for the production of sheets, films, plates or the like, of large width : en fr
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  • US1951556A - Bobbin and method of making the same : en
  • US1951830A - Chromium compound of azo dyestuffs : en
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  • GB407692A - Improvements relating to impulse transmitters for automatic telephone systems : en
  • IE13417L - Printing : en
  • GB407535A - Improvements in casings for toothed gearing : en
  • FR761653A - Hygienic product for the feet : en fr
  • FR761514A - Manufacturing process for latex-based adhesives : en fr
  • FR761507A - Vibrating device for air horn : en fr
  • GB407682A - Improvements in or relating to indicating systems particularly adapted for railway indicating systems : en
  • FR761641A - External combustion engine with hot air or gas : en fr
  • GB407592A - Improvements in or relating to methods for the electrical signalling of instrument readings : en
  • US1951910A - Sirup pump : en
  • GB407566A - Improvements in or relating to the handles for containers such as cardboard boxes, cartons and the like : en
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  • GB407440A - Improvements in or relating to electric secondary clocks : en
  • GB407452A - New or improved appliance or fitting for smokers' pipes : en
  • GB407647A - Switching arrangement for the current in the killing of whales by electricity : 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
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  • DE594710C - Adjustable hollow friction cone for reversing clutches of automatic swivel arms : de en
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  • DE594581C - Process for producing high-gloss bottle capsules consisting of a pigment-containing and an essentially pigment-free layer : de en
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  • GB407572A - Wood-cutting machinery : en
  • GB407477A - Improvements in boxes, packing cases or the like : en
  • US1951430A - Printing apparatus : en
  • FR761511A - Manufacturing process for hollow rubber objects : en fr
  • FR761520A - differential gear exhaust : en fr
  • GB407483A - A new or improved system and apparatus for heating buildings and the like : en
  • US1951373A - Shoe-pressing machine : en
  • US1951632A - Drain controls for sewers and the like : 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
  • DE594621C - Device for producing profiled objects by means of a hydraulic press : de en
  • DE594547C - Clamping device with a transport wheel and locking device, especially for connecting band tires : de en
  • DE594606C - Wheel mount : de en
  • GB407594A - Improvements in apparatus for and art of manufacturing shoes : en
  • DE594814C - Receiving device : de en
  • CA340141A - Ventilator : en fr
  • FR761580A - Optical device for checking axis directions, etc. : en fr
  • GB407465A - Improvements in or relating to axles for motor vehicles : en
  • US1951415A - Display device : en
  • US1951951A - Winding machine : en
  • DE594885C - Insertion device for firing small-caliber ammunition from machine guns : de en
  • FR761698A - Improvements to electrical relays : en fr
  • DE594815C - Electrical insulating material : de en
  • DE594935C - Release device for photographic camera shutters : de en
  • FR761465A - Process and apparatus for autogenous welding of steels : en fr
  • GB407556A - Improvements in and relating to stop-valves for hydrants and the like : en
  • DE594594C - Vessel filled with fluid moved by air for processing photographic film supports : de en
  • DK48539C - Centrifugal separator. : da en
  • US1951763A - Controls for boiler installations : en
  • GB407456A - Improvements in joints for girders and like structural members : en
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  • CA340328A - Oil cooler : en fr
  • GB407728A - Improvements in or relating to the preservation of animal raw materials : en
  • GB408231A - A method of repairing and correcting uneven sealed or unsealed road or like paving surfaces : en
  • US1951773A - Raker tooth gauge : en
  • GB407488A - Improvements in or relating to electromagnetic step-by-step selectors : en
  • DK48532C - With Radio sets, Vacuum cleaners and the like combined Savings machine. : da en
  • US1951631A - Automobile seat cover : en
  • 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
  • US1951824A - Ventilator : en
  • DE594913C - Arrangement for charging batteries with the help of rectifiers : de en
  • DE594597C - Anchors, especially for aircraft and watercraft : de en
  • DE594602C - Device for uncorking bottles : de en
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  • DE594760C - Cuerette to slip onto a finger of the hand : de en
  • FR761559A - Improvements made to bolts to ensure the safety of assemblies : en fr
  • FR761567A - Improvements made to internal combustion engines for boats, as well as their mounting method : en fr
  • GB407991A - Improvements in or relating to clutch-controlling devices for motor vehicles : en
  • US1951368A - Radiator construction : 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
  • 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
  • US1951702A - Control device : en
  • FR761468A - Percussion fuze with percussion mechanism arranged in a mobile crew : en fr
  • GB407614A - Improvements in or relating to inner tubes for pneumatic tyres : en
  • DE594589C - Device for displaying the drop in the water level in the cooling water tank of an internal combustion engine : de en
  • FR761412A - Continuous manufacturing process of artificial sponges using viscose : en fr
  • FR761565A - Process for extracting flesh from muscles, fibers capable of being spun : en fr
  • FR761416A - Fibrous product suitable in particular for the manufacture of padding or padding and its manufacturing process : en fr
  • DE594889C - Circuit arrangement for telephone systems with dialer operation, in which preferred call stations can intrude on existing connections : de en
  • GB407715A - Improvements in and relating to luminous indicators for supervising technical plants : en
  • 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
  • FR761608A - Cliché selection device in address printing machines : en fr
  • GB407671A - Improvements relating to machinery for drawing bast fibres & long leaf fibres : en
  • CA340281A - Railway car coupler : en fr
  • FR761486A - Colored filter toilet mirror : en fr
  • FR761551A - Method of manufacturing combustible bodies : en fr
  • GB407667A - Improvements in braking devices : en
  • GB407549A - Disc clutches : en
  • FR761459A - Knitting process and resulting industrial product : en fr
  • GB407931A - Improvements in or relating to turning lathes : en
  • DE594972C - Procedure and device for bright annealing : de en
  • USD91758S - Design for an alphabet for forming : en
  • FR761558A - Production of aqueous solutions of heavy metal compounds of aromatic halogenylsulfonamides : en fr
  • US1951732A - Electric current rectifier construction : en
  • FR761424A - Steering wheel for automobiles : en fr
  • FR761445A - Machine for sorting, recording and reclassifying punched cards : en fr
  • DE594953C - Rotary suction cell disc filter : de en
  • FR761592A - Headlight enhancements for vehicles : en fr
  • DE594826C - Drive-through device : de en
  • DE594855C - Ribbon cable for telecommunication purposes : de en
  • US1951437A - Shirt sleeve : en
  • FR761588A - Face mask : en fr
  • GB407433A - Improved system of constructing roads, floors, foundations, and the like : en
  • GB407484A - Improvements in and relating to machines for digging potatoes : en
  • US1951347A - Focal plane camera shutter : en
  • IE13176L - Electric torches : en
  • DE594850C - Steam generator with closed internal firing : de en
  • US1951440A - Machine for holding sliced bread while being wrapped : en
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  • FR761497A - Improvements to centrifuges with automatic bowl emptying : en fr
  • DE594619C - Braking or friction bodies : de en
  • FR761556A - Improvements to temperature regulators : en fr
  • DE594656C - Procedure for the operation of deflagration chambers : de en
  • DE594727C - Cleaning equipment, especially for window panes : de en
  • US1951514A - Lathe or the like : en
  • US1952007A - Braiding machine : en
  • US1951451A - Ballast cleaning machine : en
  • US1951482A - Alternating current power reserve system : en
  • DK48537C - Reinforced concrete connecting body. : da en
  • DE594705C - Process for generating a strong gas similar to luminous gas in water gas generators : de en
  • 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
  • CA340220A - View transmitting system : en fr
  • USD91796S - Design for a sled : en
  • GB407586A - Improvements in and relating to a method and means for forming joints between tubular elements inserted one within another : en
  • CA340235A - Magnetic material : en fr
  • US1951857A - Package for pencil leads : en
  • DE594429C - Device to prevent damage to commutators in electrical machines as a result of excessive brush wear : de en
  • FR761550A - Asphyxiating gas protection device : en fr
  • USD91777S - Design for a tire : en
  • GB407698A - Improvements in or relating to the manufacture of cigarettes : en
  • 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
  • DE594837C - Ball game with balls rolling downwards on an inclined playing surface : de en
  • DE594881C - Device for connecting pipes and hoses : de en
  • AU1357933A - Improvements in and connected with machines foir equipping wire bound boxes with fastening means : en
  • DK48519C - Garters with two garters. : da en
  • CA340310A - Alkyl hypohalite manufacture : en fr
  • FR761541A - Improvements to pumps used for mixing and circulating two liquids : en fr
  • GB407934A - Improvements in or connected with the operation of thermionic valves : en
  • AU1142233A - Improvements in cultivator and scarifier points and shares : 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
  • CA340319A - Folding machine : en fr
  • US1951722A - Wire drawing machine : en
  • USD91782S - Design for a scale : en
  • US1951364A - Manufacture of dicarboxylic acid chlorides : en
  • US1951487A - Engine starting apparatus : en
  • CA340123A - Engine valve and gear : en fr
  • US1951490A - Switch : en
  • US1951553A - Automatic sand controls for track sanding : en
  • US1951671A - Glass run channel structure : en
  • US1951567A - Process of packaging commodities : en
  • US1951675A - Heater for electric fans : en
  • US1951613A - Motorized counterbalance : en
  • CA340131A - Garment shield : en fr
  • US1951731A - Oscillator-radiator : en
  • CA340111A - Feed mixer : en fr
  • CA340320A - Pipe coupling : en fr
  • US1951380A - Apron construction : en
  • US1951654A - Method of making a cable connecter : en
  • US1951755A - Card feeding means : en
  • FR761605A - Welding machine for metal can bodies : en fr
  • FR761612A - Trunk convertible into a seat : en fr
  • US1951348A - Method of cross-rolling : en
  • AU1474733A - An improved collapsible crate : en
  • US1951677A - Hot-blast sluice valve : en
  • US1951805A - Combination of chair and bed : en
  • CA340300A - Radio frequency control system : en fr
  • DE594679C - Steaming device for traveling ovens : de en
  • US1951624A - Car generator drive : en
  • AU1301333A - Improvements in crystallizers : en
  • CA340259A - Locomotive : en fr
  • CA340321A - Piping : en fr
  • DE594638C - Recuperator for preheating one gas by another gas : de en
  • GB407528A - Fixing devices for vehicle horns : en
  • US1951597A - Brake condition indicator : en
  • DE594625C - Zipper : de en
  • DE594763C - Used sand conveyor system for foundries : de en
  • FR761571A - Liquid electric switch : en fr
  • US1951387A - Electrical prospecting : en
  • US1951838A - Manifolding machine : en
  • US1952000A - Water supply regulator for humidifiers : en
  • AU1259633A - Apparatus for magnetically recording and reproducing sound : en
  • DE594688C - Device for electro-hydraulic electrode control for electric arc furnaces : de en
  • US1952022A - Supply control for greasing racks : en
  • CA340126A - Trinitrotoluene purification : en fr
  • CA340122A - Trousers press : en fr
  • 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
  • US1951748A - Spool : en
  • CA340139A - Sanitary bandage : en fr
  • CA340313A - Loudspeaker : en fr
  • US1951793A - Chair device : en
  • FR761692A - Device for locking the steering of an automobile : en fr
  • CA340170A - Separator : en fr
  • CA340226A - Relay protective system : en fr
  • US1951890A - Connection-cable for electric flatirons, cooking apparatus, and the like : en
  • FR761532A - Warning device and automatic electric switch : en fr
  • CA340231A - Remote indicating system : en fr
  • US1951557A - Silo door and ladder structure : en
  • DE594777C - Thread guide for winding devices : de en
  • GB407973A - Colouring foodstuffs : en
  • US1951634A - Roof frame : en
  • US1951808A - Gaseous conduction apparatus : en
  • US1951483A - Shock eliminator : en
  • US1951802A - Method of making pipe bends : en
  • DE594558C - Method for combating parasitic nematodes in arable soil : de en
  • DE594639C - Hydrocarbon gas generator : de en
  • US1951797A - Meter : en
  • USD91780S - Design fob shelf paper : en
  • US1951414A - Roll paper fixture : en
  • US1951858A - Internal combustion engine : en
  • US1951712A - Process for improving fibrous materials : en
  • US1951498A - Receptacle : en
  • US1951965A - Flooring : en
  • GB407649A - Improvements in or relating to money boxes or like containers : en
  • CA340157A - Sanitary girdle : en fr
  • CA340257A - Magnetron oscillator : 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
  • GB407536A - Annealing and pickling plant : en
  • US1951460A - Valve stem : en
  • US1951555A - Polishing grain and surface treatment of same : en
  • US1951537A - Means for extracting fittings : en
  • US1952016A - Condiment container : en
  • CA340173A - Envelope : en fr
  • CA340224A - Rectifier backfire preventing means : en fr
  • DE594690C - Knitted fabric : de en
  • FR761642A - : fr
  • US1951366A - Radiator core : en
  • US1951692A - Loud speaker : en
  • US1951351A - Control : en
  • US1952001A - Door holder or stay : en
  • DE594859C - Process for the production of rayon with elementary threads from 6 to less than 1 denier by spinning viscose solutions : de en
  • DK48538C - Procedure and Device for the production of longitudinally creped paper. : da en
  • FR761590A - Pivoting glass forming side windshield for automobiles : en fr
  • 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
  • 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
  • FR761524A - Process for the treatment of materials containing vanadium : en fr
  • GB407576A - Change-speed gear mechanism : en
  • IE12539L - Metal lined casks : en
  • CA340223A - Gas electric car torque : en fr
  • 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
  • DE594605C - Composite material with high ductility : de en
  • GB407471A - Improvements in sun blinds, awnings and the like : en
  • CA340112A - Cable splicing tool : en fr
  • DE594811C - Mechanical train protection device : de en
  • FR761635A - Device for traffic control : en fr
  • FR761462A - Removable mosquito net cabin : en fr
  • USD91769S - Design fob a corner cupboard : en
  • FR761475A - Improvements in the manufacture of aliphatic anhydrides : en fr
  • FR761401A - Cleaning product and its manufacturing process : en fr
  • DE594586C - A lifting device for mowing machines : de en
  • DE594863C - Device for producing tubes or rods made of glass or the like. : de en
  • DE594626C - Umfuehrungseinrichtung for roller lines : de en
  • GB407457A - Improvements in or relating to the treatment of the surfaces of aluminium or aluminium alloy articles : en
  • FR761633A - Improvements to razor blades and other ironing devices : en fr
  • GB407492A - Improved manufacture of shrinkable bottle caps or the like : en
  • FR761699A - Device for collecting menstrual blood : en fr
  • US1951701A - Cultivating implement : en
  • US1951912A - Disk harrow : en
  • DE594642C - Tools for medical purposes : de en
  • US1951703A - Apparatus for discharging coal and other materials : en
  • US1951492A - Golf bag : en
  • US1952035A - Chuck for gripping the inner and the outer periphery of hollow articles : en
  • DE594745C - Process for creating a high vacuum in vacuum tubes : de en
  • FR761523A - Improvements to assemblies, especially for assembled crankshafts and similar components : en fr
  • US1951880A - Electric device for cutting gypsoplastic dressings : en
  • 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
  • DE594798C - Drying road for cellulose skins : de en
  • DE594601C - Device for lifting and turning motor vehicles with auxiliary wheels driven by electric motors : de en
  • DE566031C - Production of alkali nitrates : de en
  • DE594892C - Three-phase current meter : de en
  • DE594641C - Jacquard flat knitting machine : de en
  • DE594880C - Tubeless air pump for bicycles : de en
  • DE594750C - Device for rolling out the edges as well as for holding open and straightening running fabric webs : de en
  • US1951450A - Pajama garment : en
  • US1951720A - Electrolytic condenser : en
  • USD91793S - Design for an automobile signal : en
  • US1951433A - Safety attachment for printing presses : en
  • FR761563A - Improvements to mattresses, box springs and the like : en fr
  • FR761423A - Improvements to coffee makers : 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
  • FR761461A - Process for cooling high voltage cables and devices for its application : en fr
  • US1951362A - Magnetic switch : en
  • US1951605A - Bread slicing machine and take-off therefor : en
  • GB407961A - Improvements in collapsible containers such as packing cases : 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
  • US1951878A - Valve : en
  • CA340267A - Knitting machine : en fr
  • CA340287A - Delayed lock control : en fr
  • US1951524A - Variable frequency multiplex system : en
  • US1951502A - Gaseous signal light : en
  • US1951519A - Paper pulp refining engine : en
  • US1951542A - Radioreceiver : en
  • 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
  • GB407503A - Improvements in vacuum pumps of the condensation or diffusion type : en
  • GB407645A - System for signalling breakdowns in the filaments of thermionic valves : en
  • DE594647C - Process for press polishing of synthetic resin panels : de en
  • US1951740A - Process of catalytic hydration of olefines : en
  • US1951970A - Valve keeper inserting tool : en
  • USD91794S - Design for an ear protector : en
  • FR761405A - Friction clutch : en fr
  • US1951724A - Automotive transmission equipment : en
  • FR761639A - Improvements to the coloring of materials : en fr
  • CA340306A - Fluid rectification : en fr
  • FR761636A - Electric current receiver for remote control of devices particularly insensitive to interference currents : en fr
  • FR761534A - Process for welding the crosspieces of metal frames : en fr
  • GB407432A - Improvements in gear and like cases : en
  • FR761688A - Printing mechanism for scales : en fr
  • GB407422A - Improvements relating to closing rings for metal drums : en
  • US1951582A - Handkerchief fabric : en
  • US1951964A - Tool for sanding, rubbing, or polishing surfaces : en
  • GB407635A - An improved warfare board game : en
  • US1951375A - Chair : en
  • FR761624A - Improvements to dynamo electric machines used as generators or starters for internal combustion engines : en fr
  • FR761700A - Improvements to knife blades, knives, etc. : en fr
  • FR761509A - Auto body system : en fr
  • DE594676C - Decorative wallcovering : de en
  • FR761613A - Device for quickly capping or uncorking a bottle with one hand : en fr
  • FR761495A - Improvements relating to elastic engine mountings : en fr
  • GB407634A - Improvements in centrifugal separators : en
  • DE594751C - Process for the fluorination of solid aliphatic halogen compounds : de en
  • GB407700A - Improvements in electrolytic apparatus : en
  • GB407470A - An improved apparatus to assist in marking out tennis courts and the like : en
  • GB408002A - Process for the hydrogenation under pressure of distillable carbonaceous materials : en
  • DE594716C - Radiator with heating pipes rolled into a lid-shaped collecting container for the drum, indirectly heated high-pressure heat exchanger : de en
  • GB407397A - Improvements in and relating to shaft packings suitable for steam turbines : en
  • DE594697C - Internal combustion engine with piston air pump : de en
  • DE594722C - Oil burner with a bowl-shaped atomizer that is driven by an electric motor and revolves around a vertical axis : de en
  • GB407411A - Improvements in and relating to regulating choke coils : en
  • GB407430A - Improvements in ice-making containers : en
  • AU1178833A - Improvements in or relating to thermionic valve circuit arrangements : en
  • CA340161A - Surgical protector : en fr
  • US1951525A - Linear voltage generator : en
  • CA340317A - Pumping mechanism : en fr
  • DE594600C - Device for preventing car doors from rattling : de en
  • AU1171433A - Improvements in or relating to receways for or of loose nailing machines : en
  • CA340292A - Hair-waving machine : en fr
  • US1951401A - Window raising and lowering device : en
  • US1951583A - Mirror support : en
  • US1951508A - Barber chair : en
  • US1951622A - Artificial limb : en
  • US1951363A - Brake drum : en
  • US1951660A - Adjustable supporting bar : en
  • CA340178A - Locomotive boiler : en fr
  • US1951784A - Process of preparing esters : en
  • GB407439A - An extra air admission device for the induction systems of internal combustion engines : 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
  • FR761531A - wire winding case : en fr
  • GB407933A - Improvements in or connected with modulating or frequency changing systems for radiosignalling and like purposes : en
  • DK48516C - Light advertising device. : da en
  • DE594646C - Middle layer for plywood panels : de en
  • FR761510A - projection screen : en fr
  • GB407988A - Improvement in process of producing concentrated fertilizer : en
  • GB407625A - Combined anti-rattle and locking device applicable to windows : en
  • US1951911A - Mold for castings of iron and nonferrous metals : en
  • DE594841C - Process for increasing the yield in the synthetic production of ammonia from its elements : de en
  • US1951633A - Oxidizing briquette : en
  • DE594620C - Device for the mechanical movement of shut-off devices for tensioned or heated media : de en
  • FR761472A - Triggers for the binder device in binder harvesters : en fr
  • FR761645A - Mechanism for automatic control of spinning machines : en fr
  • GB407622A - Improvements in or relating to buckles or slides of the lever kind : en
  • DE594643C - Ambulance with stretchers arranged one above the other : de en
  • DK48517C - Apparatus for injecting pressurized fluid into animal carcasses, packed masses and the like. : da en
  • US1951403A - Heat absorbing apparatus for use with solar energy : en
  • US1951728A - Manufacture of sheet material : en
  • US1951954A - Duplicating machine : en
  • FR761579A - Method and device for automatic temperature control inside railway wagons : en fr
  • GB407420A - Improvements in and connected with liquid sealing traps : en
  • GB407958A - Improvements in or relating to stiffeners for corsets or the like : en
  • CA340265A - Knitted fabric : en fr
  • CA340271A - Machine frame : en fr
  • GB407540A - Improvements in or relating to luminescent screens and methods of producing luminophores for use therein : en
  • DE594787C - Schraem device for creating burglary slots : de en
  • US1951478A - Garment : en
  • US1951594A - Article of furniture : en
  • US1951936A - Bottle closing and like machine : en
  • DE583943C - Self-operated coffee machine : de en
  • GB407604A - Improvements in or relating to weighing apparatus : en
  • GB407542A - Improvements in or relating to thermionic amplifiers : en
  • CA340318A - Strainer : en fr
  • GB407438A - Improvements in sound amplifiers : 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
  • FR761477A - Improvements to internal combustion engines and working method of these engines : en fr
  • 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
  • DE594836C - Device for straight guidance of billiard sticks : de en
  • FR761669A - Process of manufacturing gas from oil : en fr
  • FR761673A - Improvements made to typewriter exhaust mechanisms : en fr
  • GB407550A - A closure for cams and like receptacles : en
  • US1951676A - Crate : en
  • DK48533C - Savings machine for radios, vacuum cleaners and the like. : da en
  • DE594550C - Process for the production of pure arsenic acid by means of crystallization from aqueous solvents : de en
  • US1951999A - Press : en
  • US1951852A - Device for fire control apparatus : en
  • FR761665A - Signaling method and system : en fr
  • FR761553A - Universal excavator dredge : en fr
  • FR761616A - Variable Speed Transmission Improvements : en fr
  • DE594565C - Conveyor device : 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
  • GB408228A - Improvements in or relating to motor road vehicles : en
  • GB407450A - Improvements relating to ball and roller bearings : en
  • GB407385A - Improvements in optical valves : 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
  • FR761720A - : fr
  • GB408003A - Process for the hydrogenation under pressure of distillable carbonaceous materials : en
  • US1951988A - Digger tooth : en
  • US1951533A - Television apparatus : en
  • USD91788S - Design fob a combination ash tray : en
  • CA340169A - Explosive compound purification : en fr
  • DE594553C - Electromagnetic drive pump : de en
  • DE594744C - Overcurrent heat release : de en
  • GB407514A - Improvements in or relating to stop motions of textile apparatus : en
  • 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
  • USD91795S - Design for a spoon or similar article : en
  • US1951360A - Portable power plant for vehicles : en
  • US1951426A - Control system : en
  • US1951572A - Machine for filling and closing bags : en
  • CA340155A - Coal washing machine : en fr
  • US1951604A - Bag for folding chairs : en
  • US1951587A - Adjustable spray device : en
  • US1952034A - Steering mechanism : en
  • CA340142A - Fuel mixer : en fr
  • CA340314A - Radio receiver : en fr
  • DE594596C - Storm protection for tethered balloons : de en
  • US1951711A - Reenforcing and fastening means for tile : en
  • US1952017A - Method for reducing the viscosity of a colloidal suspension of proteins : en
  • US1951942A - Measuring pump switch : en
  • DE594832C - Paper bottle for oil, especially for taking in vehicles : de en
  • GB407720A - Improvements in and connected with cloth stentering machines : en
  • DE594714C - Rolling mill cleaning device : de en
  • FR761566A - Ironing board : en fr
  • GB407712A - Improved apparatus for use in connection with the loading of coal or like material : en
  • AU1179633A - An improved collapsible crate : en
  • CA340197A - Internal combustion engine : en fr
  • CA340253A - Filter or condenser : en fr
  • DE594539C - Clamping device for holding an upper leather stretched over a last : de en
  • US1951610A - Closure for collapsible tubes : en
  • US1951534A - Hopper closure for stokers : en
  • DE594549C - Gravel filter for pipe wells : de en
  • CA340216A - Loudspeaker : en fr
  • US1951891A - Twisting and looping tool for wire : en
  • US1951463A - Sewer flushing apparatus : en
  • US1951739A - Method of purifying oil : en
  • CA340277A - Resister : en fr
  • US1951512A - Bell-end pipe construction : en
  • US1951985A - Garment form : en
  • US1951949A - Adjustable form for constructing concrete piers : en
  • US1951332A - Headgear for supporting telephone instruments : en
  • US1951570A - Automatic editing system for controlling printing telegraph machines : en
  • US1951601A - Shipping container : en
  • US1951754A - Adjustable standard : en
  • US1951943A - Method of producing printing images : en
  • US1951432A - Tabernacle safe : en
  • US1951917A - Water softener or filter : en
  • US1951413A - Sheet-dispensing cabinet : en
  • US1951769A - Manufacture of granular asphalt : en
  • US1951889A - Method of preparing dried egg product : en
  • GB407510A - Change speed gearing for vehicles : en
  • CA340336A - Manifold record packet : en fr
  • DK48531C - Metallic pavement for roads and the like. : da en
  • DE594877C - Stitch adjusting device for sewing machines : de en
  • FR761525A - Edible knife : en fr
  • FR761621A - : fr
  • DE594541C - Outer inserting machine : de en
  • FR761466A - Improvement in mixers : en fr
  • FR761697A - Full color, automatic color changing projector : en fr
  • US1951815A - Azo-dyestuffs insoluble in water and fiber dyed therewith : en
  • US1951792A - Process for hydrogenating hydrocarbon oils : en
  • US1951871A - Automobile accessory : en
  • US1951646A - Piston manufacture : en
  • US1951725A - Method for controlling temperature in hydrogenation reactors : en
  • DE594752C - Process for the production of water-soluble organic calcium double compounds : de en
  • DE594810C - Device for regulating compression refrigeration machines : de en
  • US1951798A - Fire blanket spreader : en
  • US1951877A - Electric motor and the like : en
  • US1951584A - Nipple wrench : en
  • US1951915A - Refrigerating machine : en
  • DE594786C - Light liquid separator : de en
  • FR761591A - Plasterboard or slab : en fr
  • GB407588A - An improved wrapping board for textile fabrics : en
  • CA340240A - Central blast rectifier : en fr
  • US1952041A - Rubber goods and method of manufacturing the same : en
  • CA340119A - Display cover : en fr
  • GB407446A - Improvements relating to stenter clip chains : en
  • GB407581A - Improvements in and relating to electric torches and flash lamps : en
  • US1951856A - Tool and method of making the same : en
  • AU1351533A - Improvements in and relating to catalysts : en
  • US1951486A - Dispensing machine : en
  • US1951564A - Tanning material and process for preparing : en
  • US1951700A - Racing plate : en
  • US1951708A - Ozonation products of terpene alcohol : en
  • US1952025A - Spinneret for the manufacture of rayon : en
  • CA340238A - Immersion water heater : en fr
  • US1951538A - Activated carbon : en
  • US1951539A - Metallic door construction : en
  • US1951778A - Metallic partition structure : en
  • US1951506A - Bifocal lens and method of making the same : en
  • DE1293890U - : de en
  • US1951618A - Method of making rubber sponge : en
  • DK48527C - Self-closing faucet. : da en
  • US1951973A - Illuminated game board : en
  • US1951756A - Mechanical movement : en
  • US1951820A - Pneumatic dispatch tube : en
  • CA340189A - Lathe : en fr
  • DE592449C - Pulverized fuel combustion : de en
  • DE594691C - Screw compressor, consisting of right- and left-handed, mutually engaging screws coupled by cogwheels : de en
  • FR761663A - Improvements to escalators : en fr
  • FR761626A - Apparatus for reproducing volumes by molding, intended for forming shoe lasts : en fr
  • GB407693A - Method for the automatic control of aviation engines : en
  • DE1294034U - : de en
  • US1951668A - Phonograph : en
  • US1951956A - Air filter : en
  • US1951550A - Perch for bird cages : en
  • US1951816A - Synchronical signal system : en
  • US1951699A - Variable light headlight : en
  • US1952019A - Type holding device : en
  • 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
  • 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
  • US1951598A - Electric heater : en
  • US1951736A - Pile wire : en
  • DE557215C - Device for pasteurizing liquids, especially milk : de en
  • GB407618A - Acoustic signalling apparatus : en
  • US1951383A - Process for recovering hydrocarbon liquids from volatile hydrocarbon gases and vapors : en
  • FR761535A - Razor and razor blade enhancements : en fr
  • FR761573A - Assembly sleeve : en fr
  • FR761614A - Process of halogenation of organic fluids : en fr
  • US1951867A - Apparatus for cleaning gas : en
  • US1951663A - Forced circulation heating system : en
  • FR761646A - Mechanism operated by coins : en fr
  • GB407689A - Apparatus for indicating the water level in elevated feed tanks : en
  • GB407423A - Improvements in manure distributors and other machines for spreading, mixing or measuring powdered or granular substances, seed or grain : en
  • GB407436A - Improvements in saddles for pedal cycles : en
  • US1951385A - Friction shock absorbing mechanism : en
  • US1951639A - Lens take-up device : en
  • US1951980A - Tank level indicator : 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
  • US1951395A - Apparatus for measuring ion concentration : en
  • CA340311A - Glass drawing off device : en fr
  • US1951551A - Hasp : en
  • DE594804C - Method and device for smoldering solid fuels : de en
  • US1951984A - Recovery of phosphorus from dilute gases : en
  • FR761455A - Device for signaling the state of stagnation or flow of a fluid in a pipe : en fr
  • FR761649A - : fr
  • US1951846A - Support for electrical resistance elements : en
  • US1951961A - Process of making acetylene from higher saturated hydrocarbons : en
  • US1951682A - Zero printing device for cash registers and calculating machines : en
  • US1952039A - Circuit breaker : en
  • DE594604C - Device for applying sealing wax : de en
  • FR761419A - Process for producing an azo dye : en fr
  • GB408232A - Improvements in the manufacture and production of disazo dyestuffs : en
  • US1951800A - Method of and apparatus for forming and cutting tire cover rims : en
  • DE594791C - Track breaking machine : de en
  • GB407652A - Improvements in or relating to transmitting devices for ultra-short waves : en
  • CA340284A - Short wave valve generator : en fr
  • DE594839C - Machine for the production of compressed and packaged fish and other edible portions : de en
  • CA340248A - Sharp freezing container : en fr
  • US1951340A - Fuel pump for internal combustion engines : en
  • US1951774A - Process and apparatus for producing gas rich in hydrogen : en
  • US1951344A - Manufacture of precast building units of porous concrete : en
  • US1951705A - Apparatus for the dry separation of coal and the like : 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
  • DE594728C - Drive for the trolley : de en
  • FR761409A - Window improvements : en fr
  • GB407637A - Improvements in weld-rods : en
  • CA340260A - Bore hole exploring apparatus : en fr
  • CA340298A - Regenerative radio receiver : en fr
  • US1951944A - Garment : en
  • US1951647A - Sludge separator : en
  • DE594573C - Cover for vehicle generators : de en
  • US1951828A - Unbalance indicating device : en
  • GB407628A - Improvements in electric switch devices for the control of pneumatic machines : en
  • DE561059C - Engaging and disengaging device for presses, punching and similar machine tools : de en
  • FR761584A - Sail plane, without engine : en fr
  • US1951968A - Device for the tightening of radiators : en
  • DE594506C - Window cleaning device : de en
  • US1951465A - Echo suppressor : en
  • US1951434A - Pneumatic dispatch tube apparatus : en
  • US1951504A - Lubricating device : en
  • US1951592A - Cipher eliminating mechanism : en
  • USD91789S - Design fob an automobile radiator : en
  • US1951358A - Vibration detector : en
  • US1951521A - Car heating assembly : en
  • US1951962A - Cooler : en
  • CA340241A - Balance coil : en fr
  • US1951446A - Control system : en
  • US1951548A - Wire-polishing apparatus : en
  • CA340145A - Swivelled wheel and axle : en fr
  • DE594803C - Artificial moss : de en
  • US1951336A - Process and apparatus for heat exchange between two currents of gas : en
  • US1951424A - Speed reduction gear : en
  • US1951982A - Transportation seat : en
  • GB407383A - Improvements relating to photo-electric cells : en
  • GB407407A - Improvements in glass grinding apparatus : en
  • US1951953A - Spring expanding device : en
  • US1952031A - Power factor correction : en
  • US1951978A - Weeding tool : en
  • CA340186A - Gas separation : en fr
  • CA340191A - Tube support : en fr
  • DE1293889U - : de en
  • US1951695A - Counter display case : en
  • US1951418A - Lock : en
  • US1951764A - Drive chain : en
  • FR761657A - Improvements to safety glass manufacturing processes : en fr
  • DE594876C - Fabric edge reduction device for sewing machines : de en
  • GB407727A - Improvements in or relating to the manufacture of cast type bars : en
  • DE594853C - Compressed air braking device : de en
  • CA340128A - Catamenial bandage : en fr
  • DE594561C - Packing for filter media made of active carbon : de en
  • CA340263A - Welding rod : en fr
  • GB407538A - Improvements in swimming suits : en
  • US1951825A - Ventilator package : en
  • DE594827C - Door lock for elevators : de en
  • GB407650A - Improvements relating to apparatus for use in washing clothes : en
  • AU1355733A - Improved waist supported trousers : en
  • CA340234A - Clock motor : en fr
  • CA340254A - Furnace floor : en fr
  • GB407957A - Improvements in the manufacture and production of lacquer varnishes : en
  • US1951441A - Soldering apparatus : en
  • US1951714A - Method of and apparatus for making paper : en
  • DE594590C - Muffler for internal combustion engines : de en
  • US1951411A - Shearing apparatus : en
  • US1951381A - Method of and apparatus for shaping metal : en
  • US1951400A - Conveyer system : en
  • CA340190A - Pari-mutuel ticket protector : en fr
  • US1951744A - Container : en
  • CA340286A - Electric time lock : en fr
  • CA340149A - Furnace structure : en fr
  • DE594854C - Method and device for testing the insulation of trolleybuses : de 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
  • USD91755S - Design for a shoe : en
  • CA340176A - Furnace recuperator for producer gases : en fr
  • GB407415A - Improvements appertaining to cranes, windlasses and like loadraising or elevating mechanism : en
  • CA340159A - Maternity and surgical belt : en fr
  • DK48542C - Device for Comparing Leaves with Holes. : da en
  • GB407587A - Improvements in or relating to mounting arrangements for cathode ray tubes : en
  • US1951611A - Order indicating device : en
  • US1951771A - Lubricating device : en
  • DE594636C - Electric light tubes in which one or more wire-shaped, metal auxiliary electrodes are located : de en
  • DE594741C - Schuettelrutsche, especially with vibrations over 600 / min. and oscillation amplitudes below 1 cm : de en
  • CA340225A - Frequency measuring system : en fr
  • CA340283A - Hood for welding moulds : en fr
  • US1951653A - Frontal grille for automobiles : en
  • US1951832A - Alkyl-2-hydroxynaphthalene-3-carboxylic acids : en
  • GB407512A - Carburetter for internal combustion engines : en
  • GB407460A - Improvements relating to road coverings and the production thereof : 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
  • FR761469A - Process for manufacturing electrode plates intended to be formed by the planted method : en fr
  • 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
  • FR761554A - Ribbon-shaped body for jewelry and everyday articles, for example for watch bracelets : 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
  • US1951518A - Production of solid urea or products rich in urea : en
  • US1951916A - Printing telegraph exchange system : 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
  • DE594757C - Protection circuit for single busbar systems : de en
  • DE594916C - Rotary switch with thermal and magnetic self-release : de en
  • FR761496A - Improvements to alloys reduced to very small fragments : en fr
  • DE594738C - Safety razor : de en
  • DE594962C - Process for brewing rustproof steel : de en
  • FR761561A - Device for cutting fish into slices, and in particular tuna : en fr
  • FR761552A - Manufacturing process of ignition or communication wicks : en fr
  • DE594575C - Piston compressor : de en
  • CA340166A - Receptacle : en fr
  • GB407711A - Improvements in and relating to control systems for the field windings of dynamo-electric machines : en
  • US1951836A - Process and apparatus for the production of magnesium by electrolysis : en
  • FR761432A - Continuous lubrication device for idler pulleys : en fr
  • DE594930C - Method for driving an impeller with the help of the guide pressure : de en
  • GB407404A - Improvements in carrier wave signalling systems : en
  • FR761543A - Device for mounting horn horns : en fr
  • FR761560A - Process for manufacturing charcoal castings : en fr
  • GB407567A - Improvements in electrically operated time-controlled alarm mechanism : en
  • GB407490A - Improvements in or relating to machines for steaming textile fabrics : en
  • US1951545A - Feeding device for strip materials : en
  • US1951966A - Music holder : en
  • DK48544C - Procedure for changing the properties, in particular the hardness, strength and yield strength of iron and steel alloys. : da en
  • DE594567C - Circuit arrangement for frequency-dependent influencing of the amplification : de en
  • DE592009C - Kuebelwagen : de en
  • US1951349A - Normalizer control : en
  • US1951635A - Dark-field condenser for microscopes : en
  • US1951848A - Feeder pen point : en
  • AU1175833A - Improvements in operating and control mechanism for elevator and like doors : en
  • CA340134A - Screw rotor : en fr
  • DE594692C - Wrapping device for a permanent wave device : de en
  • DE594816C - Multiple electrical fuses, especially for motor vehicles : de en
  • GB407603A - Improvements in or relating to drying apparatus : en
  • US1951628A - Latch : 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
  • US1951685A - Peak detector : en
  • USD91770S - Design for a textile fabric or : 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
  • US1951447A - Process of and apparatus for refrigeration : en
  • US1951505A - Electrically driven child's auto : en
  • FR761508A - Method and device for coating cables for high and low current currents with a sheath of aluminum or its alloys : en fr
  • FR761555A - Board game : en fr
  • DE594805C - Retort furnace for coking and smoldering : de en
  • US1951906A - Door operating device : en
  • US1952028A - Rotary printing machinery : 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
  • 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
  • GB407605A - Improvements in and relating to bathing dresses : en
  • CA340171A - Liquid dispenser : en fr
  • US1951603A - Pressure gauge : en
  • CA340331A - Brake : en fr
  • US1951417A - Tag forming machine : en
  • USD91750S - anderson : en
  • DE594566C - Automatic control device for heating in railroad cars : de en
  • DE594627C - Cooling bed for strip-shaped rolling bars : de en
  • CA340270A - Knitting machine detector : en fr
  • CA340130A - Coating composition : en fr
  • DE594557C - Non-knocking engine propellants : de en
  • DE594702C - Method of filling boreholes : de en
  • DE594577C - Method of making hair permanent waves : de en
  • AU1172833A - Improvements in or relating to two-way signalling systems and echo suppressing arrangements for use therein : en
  • US1951680A - Lifting means for automobiles : en
  • US1951842A - Knitting machine : en
  • CA340228A - Elevator governor : 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
  • GB407444A - Process for the production of tubular articles of iron, steel or metallic alloys : en
  • AT141222B - Silo. : de en
  • DE594715C - Display device for rolling mills : de en
  • FR761481A - Improvements to dyeing machines : en fr
  • DE594622C - Packing machine : de en
  • DE594719C - Longitudinally split connector sleeve with jointly connected sleeve parts : de en
  • DE594904C - Coolant for heat-treated tools made of iron and steel : de en
  • US1951928A - Harmonica megaphone : en
  • US1951979A - Clothes drier : en
  • CA340200A - Demand meter : en fr
  • US1951876A - Snap lock mechanism for transmissions : en
  • DE594845C - Zipper : de en
  • AU1173533A - Cleansing brush for flanged andthe like articles : en
  • US1951528A - Pull-cord lock : en
  • US1951560A - Expansion mechanism for oil heating systems : en
  • US1951590A - Folder protecting device : en
  • US1951833A - Method of expanding tubes : en
  • CA340146A - Toy balloon : en fr
  • DE594957C - Process for refining silicon-containing copper alloys : de en
  • CA340164A - Thermostat : en fr
  • CA340304A - Superheterodyne radio receiver : en fr
  • US1951491A - Tool for applying seal caps : en
  • US1951779A - Lens : en
  • US1951579A - Heat accumulator : en
  • US1951752A - Boiler economizer : en
  • CA340120A - Cigarette tissue : en fr
  • CA340150A - Light producing ignitable composition : en fr
  • 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
  • CA340332A - Shelf for tables : en fr
  • US1951997A - Air conditioning system : en
  • US1951706A - Ornamental setting for jewels and the like : en
  • CA340239A - Signalling system : en fr
  • DE594817C - Vehicle headlights with electric gas or steam lamps : de en
  • DE594829C - Articulated boiler with a prefabricated filling shaft : de en
  • US1951481A - Antifriction bearing : en
  • US1951339A - Control : en
  • DE1293946U - : de en
  • GB407616A - Automatic coin-freed machine for liquids, and more particularly for the dispensing of petrol for lighters : en
  • CA340291A - Magnet coil : en fr
  • DE594782C - Device for cutting a strand with longitudinal feed : de en
  • GB407498A - Improvements in and relating to rotary electric switches : en
  • CA340230A - Elevator buffer safety stop : en fr
  • US1951530A - Change-over key or switch for telephone exchanges and the like : en
  • US1951397A - Manufacture of piston rings : en
  • DK48534C - Keyless Bicycle Lock. : da en
  • CA340324A - Petroleum hydrocarbon testing process : en fr
  • US1951707A - Attachment for projectors : en
  • US1951831A - Package : en
  • US1951975A - Air chamber rubber shoe heel : 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
  • US1951532A - Radio receiving system : en
  • US1952010A - Furnace : en
  • FR761478A - Electronic discharge tube : en fr
  • IE13401L - Manufacture of fabrics : en
  • CA340269A - Knitting machine needle support : en fr
  • CA340299A - Parasitic oscillation prevention : en fr
  • DE594802C - Method of making zipper link strips : de en
  • DE594736C - Cardan joint, especially for small motor vehicles : de en
  • DE594835C - Device for evenly compressing several threads to be twisted together : de en
  • GB407659A - Wood cases for fillings and shuttering for reinforced concrete ribfloors and as building material for ceilings, walls, roofs and shuttering : en
  • DE594701C - Traffic, signal and warning signs that appear colored by incident light : de en
  • DK48521C - Fastening device for Belt Collectors. : da en
  • US1951517A - Record sheet feed mechanism : en
  • CA340140A - Cable clamp : en fr
  • CA340242A - Current translating system : en fr
  • DE594717C - Roof switch with fuse for electrically operated vehicles : de en
  • DE594849C - Process for the preparation of ketones of the pyridine and quinoline series : de en
  • US1951927A - Power jet timing mechanism : en
  • CA340211A - Copper oxide rectifier : en fr
  • CA340212A - Electrical translating device : en fr
  • DE594623C - Centrifugal drum swinging on three or more hanging rods : de en
  • GB407936A - Improved peel head and handle : en
  • 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
  • DE594740C - Firearm with exchangeable barrel : de en
  • DE594780C - Three-rail track for electrically operated toy trains : de en
  • US1951602A - Shipping container : en
  • US1951807A - 4-phenalkyl-3-keto-3.4-dihydro-1.4-benzoxazines and process for the manufacture of same : en
  • US1952009A - Gas furnace : en
  • US1952023A - Furnace : en
  • US1951817A - Airplane-helicopter : en
  • CA340294A - Horseshoe : en fr
  • DK48523C - Footwear Unloading Machine. : da en
  • DE583337C - Process for the production of long-lasting conical base masses : de en
  • GB407389A - Improved apparatus for slicing oranges and other fruit or vegetables : en
  • GB407710A - Improvements in or relating to the production or treatment of artificial filaments, threads, yarns, ribbons and the like : en
  • CA340326A - Mattress spring assembly : en fr
  • AU1345433A - Improvements in railway and tramway rail and wheel flange lubrication : en
  • CA340229A - Elevator safety device : en fr
  • US1951929A - Money exchange protecting device : en
  • US1951571A - Process of preparing dyeings and printings : en
  • US1951923A - Crystallizer : en
  • CA340182A - Felt-punching machine : en fr
  • US1951995A - Balance-wheel for watches and other horological instruments : en
  • CA340246A - Herbicidal preparation : en fr
  • US1951369A - Welt-sewing machine : en
  • CA340285A - Oscillation tube generator : en fr
  • US1951406A - Lighting fixture : en
  • US1951420A - Heat exchanger : en
  • US1951804A - Paring device : en
  • CA340218A - Folding device : en fr
  • CA340201A - Electric discharge device : en fr
  • DE594830C - Partition walls in the electrolytic production of light metals : de en
  • DK48522C - Device for Hanging Signs. : da en
  • CA340244A - Fibre product treatment : en fr
  • CA340289A - Conduit : en fr
  • US1951796A - Device for use in grinding valves : en
  • US1951887A - Telephone pay station apparatus : en
  • FR761611A - New vat dyes and their manufacturing process : en fr
  • CA340115A - Paper manufacture : en fr
  • GB407516A - Improved pneumatic suspension device for vehicles : en
  • US1951341A - Process for recovering manganese values : en
  • US1951390A - Service drawer for ranges : en
  • US1951509A - Threshing machine : en
  • US1951563A - Self contained ph indicating drug : en
  • US1951577A - Production of mono and dichlor isomers of diphenyl : en
  • US1951694A - Manufacture of vari-colored ice cream and like frozen food products : en
  • US1951810A - Joist structure : en
  • DK48543C - Method and apparatus for the catalytic treatment of carbonaceous substances. : da en
  • DE594713C - Angled cap ring made of flat iron : de en
  • GB407426A - Improvements in sheet metal drums, kegs, or the like containers : en
  • AU1176533A - Improvement in hinges for lavatory seats : en
  • US1951474A - Method of securing shoe parts together : en
  • AU1134433A - Improvements in or relating to thermionic valve circuit arrangements : en
  • US1951455A - Wash pipe : en
  • US1951811A - Composite beam structure : en
  • USD91751S - Design foe : en
  • US1951549A - Method for processing dough : en
  • FR761593A - Junction box : en fr
  • FR761562A - Process for the production of multi-pole, bell-shaped permanent magnets for small lighting dynamos : en fr
  • GB407704A - Devices for converting or translating acoustic energy into electric energy and vice versa : en
  • FR761513A - Polyphase rectifier assembly comprising several valves and more particularly thermionic valves : en fr
  • FR761655A - Improvements to typewriters and similar machines : en fr
  • GB407523A - Improvements in or relating to brooches : en
  • FR761450A - Measuring dispenser for precious liquids with anti-fraud device : en fr
  • DE594675C - Device for recording signals, in particular in shaft signal systems : de en
  • DE594818C - Process for removing top layers from leather : de en
  • CA340195A - Cupola furnace fume arrester : en fr
  • USD91785S - Design for an ironing machine frame : en
  • US1951384A - Air cleaner : en
  • US1951726A - Pyrophoric cigar-lighter : en
  • US1951356A - Colloidal bromide and process of making the same : en
  • US1951479A - Clutch operating mechanism : en
  • CA340329A - Bottle seal : en fr
  • DE593712C - Structural steel : de en
  • GB407612A - Improvements in or relating to the manufacture of fibrous cement tubes : en
  • GB407697A - Improvements relating to combined switches and coupling sockets : en
  • CA340192A - Bag closure : en fr
  • DK48520C - Tubular electric filament lamp or discharge tube and unipolar socket for such lamps or tubes. : da en
  • US1951466A - Vegetable slicing holder : en
  • US1951485A - Valve : en
  • DE594695C - Mercury contact thermometer with variable effective mercury volume : de en
  • GB407624A - Improvements in machines for straightening or smoothing metal members particularly tubes and rods, in the cold state : en
  • US1951453A - Typewriting machine : en
  • US1951337A - Educational appliance : en
  • US1951785A - Process of preparing esters : en
  • DE594544C - Device for stacking and bundling briquettes : de en
  • DE594797C - Dry spinning cell : de en
  • US1952008A - Emulsifying detergent and wetting agent : en
  • US1952033A - Cutting mechanism : en
  • CA340276A - Composite metal product : en fr
  • DE594937C - Process for the production of sound-picture films : de en
  • DE594820C - Flat knitting machine, especially left-left flat knitting machine, with a device for braking the sinkers : de en
  • DE594769C - Storage container with humidifier for tobacco products or the like. : de en
  • IE12992L - Heat insulated containers : en
  • GB407486A - Process for the manufacture of strongly basic porphins and products obtained thereby : en
  • FR761515A - Signal light arm : en fr
  • USD91756S - Design for a receptacle for : en
  • USD91771S - Design for a textile fabric or : en
  • DE594766C - Oven, stove, etc. like : de en
  • FR761693A - Artificial silk dyeing : en fr
  • GB407640A - Improvements in or relating to priming devices for pumps : en
  • US1951609A - Hose supporter : en
  • US1951378A - Method of producing articles from plastics : en
  • US1951408A - Article rack : 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
  • US1951619A - Knockdown table and seat unit : en
  • US1951991A - Ash receptacle and ejector : en
  • 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
  • GB407475A - Improvements in or relating to lubricators : en
  • US1951595A - Blasting cap : en
  • GB407481A - Improvements in or relating to devices for use in grinding poppet valves : en
  • US1951924A - Stopper for bottles and the like : en
  • CA340117A - Book holder : en fr
  • DE594613C - Process for operating distillation ovens with one-sided heating : de en
  • GB407400A - Improved process for the destructive hydrogenation of coal and allied carbonaceous materials : 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
  • DE594610C - Device for drying fruits, especially oil-containing fruits : 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
  • US1951698A - Oven door : en
  • US1951801A - Method of and apparatus for forming and finishing tire cover rims : en
  • US1951357A - Coffee tablet : en
  • DE594725C - Spring-loaded truss with adjustable tension : de en
  • DE594874C - Remote indicator with pressure medium transmission for power machines : de en
  • FR761662A - Shrink tube for spools of thread : en fr
  • FR761415A - Shaker forming packaging for powdered sugar : en fr
  • US1951630A - Water return vapor regulator : en
  • US1951894A - Display and storage rack : en
  • DE583577C - Process for the production of phosphoric acid fertilizers from blast furnace slag or similarly composed silicate slags : de en
  • FR761603A - Rotating roasting plate : en fr
  • GB407638A - Improvements in or relating to the manufacture of deposited rubber articles : en
  • US1951511A - Process of making soap : en
  • US1951919A - Electric submergible pump unit : en
  • US1951531A - Sound-translating device : en
  • US1951990A - Water-gas generator : en
  • FR761494A - Apparatus for setting and indicating the spacing of rolls in rolling mills, in particular in ingot rolling mills : en fr
  • GB407563A - Improvements in or relating to advertising and like signs : en
  • US1951494A - Electrolysis of anhydrous fused metal chlorides : en
  • US1951428A - Power unit for vehicles : en
  • GB407651A - A combined photographic camera and casing therefor : en
  • US1951379A - Combined gas and oil burner : en
  • 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
  • US1951986A - Reel : en
  • DE594813C - Method for measuring and regulating the gain of line amplifiers : de en
  • DE569734C - Process for the production of a silica-containing phosphoric acid fertilizer : de en
  • US1951727A - Method of repairing rail joints : en
  • US1951937A - Surgical belt : en
  • US1951435A - Method of and apparatus for testing electrical conductors : en
  • DE594886C - Stove burner for liquid fuels : de en
  • GB407532A - Improvements in or relating to electric motors : en
  • GB407435A - Improvements relating to chiming and striking mechanism for clocks : en
  • FR761671A - Derailleur-tensioner for bicycle chains : en fr
  • US1951343A - Combined package opener and dispenser : en
  • US1951947A - Method of producing characters : en
  • AU1205133A - Improvements in and connected withthe sterilization ofthe atmosphere of rooms or enclosed spaces : en
  • DE594971C - Continuously acting resorption machine : de en
  • FR761443A - Improvements to batteries or accumulators with sealed tank and electrolyte immobilized by a hydrophilic mass : en fr
  • US1951621A - Child's folding toilet seat : en
  • DE594773C - Boots with overlapping locking tabs : de en
  • DE594775C - Heel for women's and men's shoes made of pressed compound and a light metal cover surrounding it : de en
  • DE594887C - Hot strip mill : de en
  • US1951599A - Bag closure : en
  • US1951757A - Registering device for duplicating machines : en
  • DE1294039U - : de en
  • DE594732C - Method and device for determining the rollability of metal sheets : de en
  • DE594631C - Process for generating cold : de en
  • US1951866A - Relay apparatus for use in electric supply systems : en
  • US1951710A - Process and apparatus for drying fibrous sheets : en
  • DE594677C - Seamless container made of molded pulp with closure : de en
  • DE594868C - Mailbox : de en
  • GB407546A - Improvements relating to fuel injection pumps for internal combustion engines : en
  • FR761628A - Absorbable material for surgical suturing and ligation : en fr
  • FR761651A - Process for modifying the properties of rubber surfaces : en fr
  • CA340152A - Shoe manufacture : en fr
  • GB407392A - Improvements in or relating to braking systems for aircraft : en