• US2247915A - Transcribing apparatus : en
  • SU60490A1 - Mechanism for driving separation cylinders of Nesmith combs : en ru
  • PL29824B1 - Method of bleaching fibers and fibrous materials with bleaching agents that give off oxygen : en pl
  • US2247769A - Bowling alley : en
  • CA397598A - Thread, film, ribbon and tube manufacture : en fr
  • CA397666A - Ingot mould car and stool : en fr
  • SU60227A1 - Jib crane for construction jobs with swing arm : en ru
  • US2247597A - Display rack : en
  • US2247871A - Packing of cigarettes or other articles : en
  • USD128002S - Design for a garment hanger : en
  • SU60343A1 - Device for button tuning radio receivers : en ru
  • SU60455A1 - Feeder for liquid flotation reagents : en ru
  • US2247958A - Weeding tool : en
  • PL29803B1 - : en pl
  • CH215378A - Oven with rapid heat accumulation. : en fr
  • GB537613A - Improvements in or relating to emergency trip centrifugal engine governors : en
  • SU60391A1 - Screw : en ru
  • US2247868A - Electrical cord extension device : en
  • US2247836A - Silo and method of building same : en
  • US2247700A - Repeating or reclosing cutout : en
  • US2247758A - Messenger call box : en
  • PL29843B1 - : en pl
  • DE707833C - Safety lock for multi-leaf gates : de en
  • CA397553A - Railway block signalling system : en fr
  • CH215405A - Process for the treatment of waste oils by physical means. : de en
  • US2247961A - Athletic apparel : en
  • PL29852B1 - : en pl
  • CA397605A - Perchlorate explosive : en fr
  • DE707770C - Device for cutting endless synthetic fibers : de en
  • US2247575A - Dispensing apparatus : en
  • PL29784B1 - 0. Lorenz Aktiengesellschaft, Berlin-Tempelhof (^ Di £ ^ / fij * Receiver, which responds to the first voltage pulse : en pl
  • SU60407A1 - Machine for trimming soft furniture seats : en ru
  • GB537688A - Improvements in and relating to the production of laminated fibrous material : en
  • CH215436A - Monitoring frame with means for the vibration-free arrangement of the same on vehicles. : de en
  • AU115340A - Improvements relating to television receivers : en
  • BE445527A - : fr
  • CH215438A - Device for measuring the voltage at the terminals of power transformers. : de en
  • CH215439A - Spark protection for meter converters. : de en
  • CA397679A - Tube cake pan : en fr
  • CH215445A - Optical device with two optical systems parallel to each other, the variable axial spacing of which can be adjusted to the interpupillary distance. : de en
  • DE707827C - Device for connecting divided struts of stretchers : de en
  • GB537642A - Improvements in or relating to wringing machines : en
  • CA397547A - Reversible glove : en fr
  • CH215396A - Bipolar electrolyser. : de en
  • CH215506A - Electron tube. : de en
  • AU246740A - Improvements in or relating to flexible backed brushes : en
  • CA397631A - Synthetic polymer and article production : en fr
  • CH215472A - Axial expansion joint for pipelines. : de en
  • SU60320A1 - Device for smooth-continuous voltage regulation : en ru
  • SU60388A1 - Device for sequential viewing of animated patterns : en ru
  • PL29783B1 - Method of separating the mixture of hydrocarbons into parts of different composition The patent depends on the patent No. 23947 : en pl
  • US2247549A - Vacuum cleaner : en
  • DE707791C - Device for emptying a cell wheel to a compressed air conveyor system : de en
  • GB537720A - Improvements in and relating to centrifugal pumps : en
  • PL29810B1 - Telefunken Gesellsohaft fiir drahtlose Telegraphie m. B. H., Berlin Modulated carrier wave receiver with a device for removing noise from atmospheric and industrial disturbances : en pl
  • USD128029S - Design foe a heater cabinet : en
  • US2247715A - Balking ring clutch : en
  • US2247546A - Convertible bedchair : en
  • SU60535A1 - Apparatus for separating minerals by specific gravity : en ru
  • US2247821A - Manufacture of trialkyl borons : en
  • SU60488A1 - Winder for cross-ply conic skein with variable pitch in the socket : en ru
  • USD127965S - Design for a glider : en
  • DE707746C - Multipurpose clamping table for machine tools : de en
  • GB537705A - Improvements relating to the catalytic conversion of hydrocarbons : en
  • CH215505A - Method and device for examining objects using neutrons and X-rays. : de en
  • SU60523A1 - Method of making quartz prisms for spectral instruments : en ru
  • DE707624C - Device for transmitting motor power from a drive shaft to two coaxially arranged drive organs : de en
  • DE707753C - Multi-stage evaporator system, especially for sea water on ships : de en
  • SU60257A1 - A device for filling gaskets on a vikel-apparatus of cord calenders using a belt conveyor : en ru
  • US2247742A - Motor vehicle : en
  • SU60342A1 - Device for eliminating the sticking of the mobile system of measuring instruments to the stops : en ru
  • US2247576A - Dispensing apparatus : en
  • US2247813A - Centrifugal impeller : en
  • US2247528A - Rotary dust separator : en
  • PL29829B1 - Julian Miles Avery, Greenwich, Connecticut Blast furnace and the way to run it : en pl
  • US2247896A - Heating system : en
  • SU60324A1 - Pipe cutter : en ru
  • SU60512A1 - Machine for gluing insoles with half insole and similar parts : en ru
  • CH215525A - System for multiple high frequency communications over wired lines. : de en
  • CH215537A - Anti-glare device for headlights and projectors. : en fr
  • CH215399A - Process for the preparation of substituted phthalic anhydrides. : en fr
  • DE707716C - Process for tightening hydrophobic films made of high polymer film formers : de en
  • CA397575A - Ophthalmic mounting : en fr
  • DE707724C - Sprinkler cooler for milk, cream or other food liquids from pipes, pressed or rolled sheet metal : de en
  • DK58818C - Photocopier. : da en
  • GB537623A - Improvements in and relating to electrical vibrating devices for converting direct current to alternating current : en
  • US2247480A - Inventory control system and apparatus : en
  • US2247766A - Cutoff machine : en
  • USD128096S - Design for a dress : en
  • DE707671C - Self-seller with compartments : de en
  • US2248009A - Hatbox partition : en
  • GB537630A - Improved leg bands for pigeons : en
  • CA397703A - Hard microporous product : en fr
  • PL29786B1 - S. A. Officine di Villar Perosa, Turin. Keyboard for cash registers : en pl
  • US2247796A - Heating boiler : en
  • CH215526A - Selector stage for telecommunications exchange systems. : de en
  • GB537643A - Improved web-guide for printing-telegraphs and like machines : en
  • DE707608C - Centrifugal casting machine : de en
  • DK58804C - Detection device for Telephone systems or similar Remote signaling systems. : da en
  • GB537728A - Improved closure for jars and like containers : en
  • US2247876A - Alloy steel for the manufacture of wheels and tires : en
  • CH215469A - Remote control device by cable working in tension and compression. : en fr
  • US2247931A - Method of and apparatus for trapping animals : en
  • DE707728C - Control device for pressure booster to operate hydraulic presses : de en
  • USD128063S - Design for a cape : en
  • US2247974A - Electric stove : en
  • US2247763A - Exposure meter : en
  • US2247848A - Burner : en
  • SU60352A1 - Circular saw for cutting viscous rocks in an array : en ru
  • US2247953A - Clothes wringer : en
  • USD128022S - Design for a lamp head : en
  • US2247623A - Label applying machine : en
  • US2247779A - High frequency apparatus : en
  • USD127975S - Design foe a wrist bag : en
  • DE707695C - Method for the production of single-bed jacquard fabric on the flat knitting machine : de en
  • BE441474A - : en fr
  • US2247973A - Typographical distributing machine : en
  • SU60284A1 - Method of briquetting iron ores and non-ferrous metals : en ru
  • SU60538A1 - The method of obtaining an emulsion copolymer of vinyl chloride with other vinyl compounds and using thermosetting artificial resins : en ru
  • DE707797C - Process for the production of coiled luminous bodies, especially for electric light bulbs : de en
  • CA397706A - Loom : en fr
  • DE707674C - Carburetors for internal combustion engines : de en
  • GB537632A - Lapping machine for finishing metal surfaces : en
  • GB537725A - A process for sticking labels or the like on waxed paper : en
  • GB537762A - Improvements in and relating to electric discharge devices : en
  • US2247406A - Aircraft fuel discharge : en
  • US2247585A - Investment composition : en
  • DE707687C - Control of the thick juice density in evaporators in sugar factories : de en
  • DE707752C - Vehicle frames, especially for motor vehicles : de en
  • US2247632A - Animal trap : en
  • USD128044S - Design for a badge : en
  • US2248021A - Ceramic coloring agent : en
  • SU60539A1 - A method of producing electroplated zinc coatings from cyanide baths using sodium sulfide : en ru
  • US2247580A - Process of producing black-colored aluminum or aluminum alloys : en
  • US2247684A - Photoelectric sorting apparatus : en
  • US2247457A - Roof rail construction : en
  • US2247676A - Sliced baked bread loaf handling mechanism : en
  • USD127967S - Design fos a sase, for a display stand ok the like : en
  • DE707846C - Process for the production of smooth, thin-walled pipe elbows from one piece of sheet metal : de en
  • GB537651A - Improvements in or relating to spinners for airscrews : en
  • US2247361A - Automatic voltage control device for electrical precipitators : en
  • US2247664A - Push connector for vehicles : en
  • CH215428A - Spray pipe. : de en
  • SU60373A1 - The method of deposition of brilliant nickel : en ru
  • USD127969S - Design for a display stand : en
  • DE707668C - Arrangement for measuring the duration of short-lived phenomena : de en
  • DE707726C - Cassette for cinema cameras : de en
  • US2247859A - Oil burner installation : en
  • CH215415A - Motor driven typewriter. : en fr
  • CH215460A - Carbide moldings. : de en
  • DE707777C - Screw nut : de en
  • SU60274A1 - Instrument for mechanotherapy of the jaws : en ru
  • SU60477A1 - Two-way single-band telephony or telegraphy transmitter with the addition of phase-shifted oscillations and phase conversion of the audio frequency spectrum : en ru
  • US2247705A - Mattress : en
  • USD128005S - Design fob, a casing foe sound apparatus : en
  • CH215356A - Electric radiator. : de en
  • CA397644A - Fruit preparation machine : en fr
  • GB537702A - Machines for sewing buttons and the like on fabrics : en
  • DE707697C - Sound insulation system, especially for internal combustion engines : de en
  • DE707681C - Apparatus for carrying out the method for producing shoes, in particular reversible shoes : de en
  • SU60236A1 - Catching device for trolleys inclined lifts : en ru
  • US2248029A - Internal combustion engine : en
  • SU60402A1 - Tone corrector for correcting frequency distortions in low frequency radio transmission channels using two switches for low and high frequencies : en ru
  • SU60468A1 - A method of manufacturing sliding electrical contacts : en ru
  • USD128095S - Design for a dress : en
  • DE707771C - Rotary spinning device for simultaneous spinning and twisting of artificial threads : de en
  • GB537718A - Improvements in dashpot devices for damping oscillatory movements : en
  • CA397586A - Electric discharge device and luminescent material : en fr
  • CH215569A - Process for the preparation of a pregnen-5-ol-3-one-20 derivative. : de en
  • CH215481A - Process for the production of sliding spark plugs. : de en
  • SU60399A1 - Device for radiotelephone communication : en ru
  • US2247883A - Mop : en
  • SU60237A1 - Spraying device : en ru
  • SU60434A1 - The way to protect the rubber from aging : en ru
  • US2247889A - Liquid fuel burner : en
  • US2247356A - Safety lamp assembly : en
  • US2247822A - Acids of the cyclopentano phenanthrene series and their derivatives and method of making same : en
  • DE707691C - Procedure for ensuring the operational readiness of automatic emergency power generator sets by means of test runs : de en
  • CH215496A - Composite ceramic insulator with mechanical seal. : de en
  • PL29820B1 - : en pl
  • US2247530A - Link mat structure and parts thereof : en
  • US2247606A - Draw works : en
  • USD128060S - Design for a can or similar article : en
  • SU60382A1 - Micromanipulator using a pantograph mechanism for moving the needle : en ru
  • AU113341B2 - Improvements in or relating to carpet sweepers : en
  • PL29837B3 - A method of making imidazolines substituted in position 2 : en pl
  • PL29851B1 - A method for producing primary oxyalkylamines and an apparatus for carrying out the method : en pl
  • CH215362A - Process for the production of bituminous substances with improved adhesion and spreading properties. : de en
  • AU415240A - Improvements in and relating to wall ventilators : en
  • SU60328A2 - Form of implementation of the planer : en ru
  • US2247789A - Refrigeration : en
  • GB537759A - Systems of broadcasting signals on automatic or the like telephone networks : en
  • CH215425A - Fire safety on automatic firearms. : de en
  • CH215426A - Recoil spring for automatic mass-locked firearms. : de en
  • DE707865C - Process for anti-rust treatment of iron and steel : de en
  • CH215391A - Clothing. : de en
  • CA397580A - Milk bottle : en fr
  • CA397678A - Glass tempering apparatus : en fr
  • CH215416A - Electric flash lamp. : de en
  • AU113350B2 - Improvements in portable shearing sheds : en
  • PL29793B1 - A method of continuously casting blocks, bars or tapes, h %% ^ and a device for carrying out this method aa / 0% : en pl
  • US2247927A - Treatment of hydrocarbons : en
  • US2247774A - Costumer : en
  • US2247833A - Bill guard for fowls : en
  • US2247934A - Method and apparatus for doing hectograph and other printing : en
  • CA397557A - Refuse container : en fr
  • CA397565A - Dyeing machine : en fr
  • CA397622A - Metal sheet feeder : en fr
  • CH215467A - Process for regulating the operation of drying apparatus with air circulation. : de en
  • PL29817B1 - : en pl
  • SU60481A1 - Control method for trimmers of a high-frequency furnace : en ru
  • DE707784C - Process for sensitizing photographic silver emulsions : de en
  • DE707787C - Device for automatic parking on machines for automatic filling and plugging of incendiary devices into projectile fuses : de en
  • US2247582A - Method of and machine for milling : en
  • US2247762A - Water treatment means and method : en
  • USD128015S - Design for a lamp head : en
  • CA397609A - Electrolytic cell gas outlet : en fr
  • GB537631A - Improvements in or relating to structures of reinforced concrete : en
  • CH215514A - Method for cleaning nozzles by means of a needle in lighting and heating devices and lighting or heating devices for carrying out the method. : de en
  • PL29846B1 - Ingenieurbiiro fur Htittenbau Wilhelm Schwier, Dusseldorf 'Diffusion or diverter system in regenerative heated furnaces : en pl
  • US2247478A - Multiclutch mechanism : en
  • US2247741A - Washing, wetting, and emulsifying agent : en
  • PL29815B1 - Device for cleaning gas : en pl
  • CH215432A - Directed wave radio installation. : en fr
  • CH215459A - Upstream reduction device on machine tools. : de en
  • US2247687A - Tractor mounted harvester : en
  • US2247363A - Valve device : en
  • US2247595A - Marine propulsion system : en
  • DE707832C - Rotary lids, especially screw lids : de en
  • GB537760A - Improvements in and relating to smokers' ash trays or containers : en
  • US2247791A - Insect and fly catcher : en
  • USD128081S - Design for a dress : en
  • USD128083S - Design fok a dress : en
  • DE707714C - Formwork scaffolding for reinforced concrete masts to be produced at the installation site : de en
  • GB537684A - Improvements in and relating to containers for pulverulent materials : en
  • SE101940C1 - : en
  • SU60392A1 - Measuring device : en ru
  • AU217840A - Improvements in electric modulating arrangements comprising an electron multiplier : en
  • SU60421A1 - A method of making lining of mines and tunnels in hard rock : en ru
  • US2247430A - Refining of fatty oils : en
  • CH215524A - Transmission system for simultaneous operation. : de en
  • US2247638A - Time-setting device : en
  • US2247898A - Band-pass filter, including trap circuit : en
  • US2247894A - Manufacture of mercaptothiazoles : en
  • SU60427A1 - Carburetor with elbow pipe : en ru
  • SU60547A1 - Method of burning wood charcoal waste : en ru
  • SU60532A1 - Audio amplifier : en ru
  • DK58805C - Radio Receive Coupling with Means for Suppressing Short-Term Interference. : da en
  • US2247399A - Method of polymerizing rosin and product made thereby : en
  • US2247626A - Cooking apparatus : en
  • US2247708A - Electric motor : en
  • DE707667C - Directional or control gyro : de en
  • US2247552A - Multiple belt variable speed drive system : en
  • US2247854A - Tank for galvanizing metal articles by the lead-zinc process : en
  • US2247496A - Process of refining and fractionation of tall oil : en
  • GB537610A - Improved composition and process for lining metal and other containers : en
  • GB537716A - Improvements in or relating to reels for winding electric cables and the like thereon : en
  • US2247696A - Means for fractionating sliced bread loaves : en
  • DE707853C - Process for the production of alkali and alkaline earth salts of ª † -cyanobutyric acid : de en
  • US2247378A - Elastic fluid turbine diaphragm supporting and centering arrangement : en
  • GB537629A - Improvements relating to clamps : en
  • CH215482A - Injection system on internal combustion engines. : de en
  • PL29812B1 - Oeskoslovenska Zbrojovka A. S. Brno, Brno Trigger mechanism for automatic firearms : en pl
  • GB537748A - An improved collapsible supporting frame for camp beds and the like : en
  • DK58815C - Device for Measuring Flowing Liquids. : da en
  • GB537681A - Improved production of slivers from artificical filaments : en
  • US2247380A - Convertible cabinet and portable sewing machine : en
  • CA397591A - Mange remedy : en fr
  • CH215444A - Optical observation instrument. : de en
  • SU60275A1 - An injection needle guide for anesthesia of the celiac nerve : en ru
  • GB537709A - Improvements relating to the production of resinous substances and to their use : en
  • PL29805B1 - : en pl
  • US2247533A - Amusement apparatus : en
  • US2247743A - Antenna : en
  • US2247402A - Aralkyl phenol and method of making it : en
  • US2247433A - Traversible carriage used in rectangular sprinkler installations for treating sewage : en
  • USD128032S - Design for a case fob mechanized razors : en
  • US2247379A - Convertible sewing and darning machine : en
  • US2247525A - Water inlet valve for tanks : en
  • DE707158C - Circuit arrangement for the production of inquiry calls in telephone systems with several exchanges : de en
  • DE707673C - Internal combustion engine with non-radially arranged cylinders : de en
  • US2247950A - Refrigerating apparatus : en
  • USD127971S - Design fob an escutcheon plate fob stoves ob the like : en
  • DE701700C - Hydro power machine with a rotatably anchored drum floating on the water : de en
  • DE707678C - Vibration damper for control surfaces and flaps on aircraft : de en
  • SU60336A1 - Compensation Measuring Device : en ru
  • USD128007S - Combined support and containers for perfumery : en
  • USD128019S - Design for, a lamp head : en
  • GB537738A - Improvements in or relating to optical projection systems : en
  • CH215520A - Object for holding dry toothpaste. : de en
  • SU60270A1 - The method of preparation of ore before flotation enrichment : en ru
  • US2247574A - Side bearing : en
  • USD128076S - Design fob a dress : en
  • US2248012A - Road sweeper : en
  • US2247993A - Surface working apparatus : en
  • USD127973S - Design for a phonograph record holder : en
  • CA397558A - Ore concentration : en fr
  • GB537650A - Improvements in filters : en
  • PL29838B1 - : en pl
  • US2247899A - Condensation product of phthalonimides and phenols : en
  • US2247570A - Looper mechanism for sewing machines : en
  • GB537689A - Improvements in wave signalling systems, particularly applicable to facsimile telegraphy : en
  • CH215409A - Method and device for the production of galvanic coatings. : de en
  • GB537671A - Improvements in or relating to the treatment of wool and wool goods to reduce the tendency to felt and shrink : en
  • CA397612A - Chemical composition : en fr
  • US2247728A - Oscillation generator for electrical musical instruments : en
  • DE707662C - Stolling machine : de en
  • DE707745C - Photometric device for the photoelectric examination of holes : de en
  • US2247884A - Steam boiler : en
  • US2248032A - Manufacture of cements from calcium sulphate and blast furnace slag : en
  • USD128098S - Design for, a deess : en
  • SU60383A1 - Braking device for roving spindles of spinning wool : en ru
  • CA397696A - Bag machine severing mechanism : en fr
  • USD128088S - Design for a handbag : en
  • AU113507B2 - Improvements in and relating to rotary washing machines : en
  • GB537772A - Improvements in liquid pumps : en
  • CH215487A - Container sets for refrigerators and the like. : de en
  • CH215411A - Carbon paper. : de en
  • AU236940A - Improvements in or relating to regulator devices for adjustable blade propellers : en
  • CA397704A - Valve mechanism : en fr
  • GB537627A - Improvements in bearing indicators for radio compasses : en
  • GB537734A - Improvements in or relating to swash-plate internal combustion engines : en
  • GB537699A - Improvements in frequency modulation systems : en
  • DK58814C - Flow water heater. : da en
  • GB537713A - Improvements in or relating to means for controlling the speed of prime movers, moreespecially internal combustion engines : en
  • GB537652A - Improvements in or relating to rotary valves for fluid motors : en
  • DE707852C - Process for the production of nitriles : de en
  • CA397680A - Glyceride extracting and refining process : en fr
  • CH215365A - Method and device for the production of fibers from glass, slag or similar substances that are plastic in heat. : de en
  • CH215369A - Air supply to furnaces for the combustion of small coal, which are to be placed in front of central heating furnaces. : de en
  • CA397627A - Chlorination process : en fr
  • GB537682A - Improvements in or relating to treating or refining glyceride oils and fats : en
  • US2247855A - Oil burner : en
  • CA397707A - Rail chair securing means : en fr
  • CA397621A - Oil purifying device : en fr
  • CH215596A - Procedure for determining the location. : de en
  • SU60411A1 - The method of cultivation of plants : en ru
  • US2247697A - Mechanism for fractionating sliced baked bread loaves : en
  • USD128013S - Design for a lamp head : en
  • SU60260A1 - Radio : en ru
  • CA397554A - Fastener slider : en fr
  • SU60356A1 - Insecticide production method : en ru
  • US2247830A - Solar heater : en
  • US2247484A - Lug connection for looms : en
  • SU60507A1 - Contact closure method in running apparatuses : en ru
  • US2247539A - Automatic fire alarm : en
  • CH215456A - Process and machine for the production and deburring of injection molded parts. : de en
  • USD128042S - Design for a lighting fixture : en
  • GB537662A - Improvements in or relating to photo-electric apparatus : en
  • AU113342B2 - Improvemert; in or relating to methods of and apparatus for freezing food products : en
  • GB537674A - Improvements in apparatus for applying crown corks or like closure members to filledbottles or other receptacles : en
  • PL29850B1 - ItKP fr ^ kb zyw Akciova spolecnost drive Skodovy zavody v Plzni, Praga1 i Bohdan Pantoflicek, Pilzno-Lochotin Hand grenade : en pl
  • US2247435A - Weather strip : en
  • CH215545A - Process and system for propelling an aircraft. : de en
  • SU60467A1 - Device for damping field synchronous generators : en ru
  • US2247753A - Automotive electrical system : en
  • US2247948A - Juice extracting device : en
  • US2247970A - Polishing machine : en
  • USD128046S - Earring or similar article of manufacture : en
  • US2247515A - Safety device for presses and the like : en
  • USD128010S - Spoon or other article of flatware : en
  • PL29790B1 - Werner Schiller, Leipzig Lining material : en pl
  • CA397655A - Microscope : en fr
  • CA397624A - Sheet assembling apparatus : en fr
  • DE707735C - Closing cap for pneumatic tube sockets : de en
  • CH215532A - Alarm siren on bike. : de en
  • CH215489A - High voltage transformer with concentric windings. : de en
  • CH215390A - Women's pants. : de en
  • SU60471A1 - Explosion-proof electric incandescent lamp : en ru
  • US2247481A - Core covering machine : en
  • DE707721C - Process for coloring oxide films on aluminum and its alloys : de en
  • DE707742C - Slag discharge device with cellular wheel : de en
  • US2247759A - Cylinder head for internal combustion engines : en
  • US2247347A - Bright copying hectograph blanket : en
  • USD127976S - Design for a wrapping paper : en
  • CA397628A - Chemical product : en fr
  • CA397654A - Socket for airscrew blades, spars and struts : en fr
  • CH215539A - Device for cushioning a vehicle upper part on drive wheels arranged on oscillating half-axles, in particular for motor vehicles. : de en
  • CH215389A - Hose coupling device. : de en
  • CA397659A - Transmission system for statistical data : en fr
  • US2247424A - Glass gathering device : en
  • US2247579A - Recovery of heat treating salts : en
  • US2247989A - Motor speed governor : en
  • SU60380A1 - Hydrometric spinner : en ru
  • US2247407A - Making pure rubber and derivatives thereof : en
  • US2247643A - Hardening cobalt-nickel-chromium-iron alloys : en
  • USD128004S - Temple member for spectacles or similar article : en
  • SU60472A1 - Super high pressure mercury lamp : en ru
  • SU60366A1 - Method of roasting magnesia lime or dolomite : en ru
  • SU60500A1 - Diskov saw : en ru
  • SU60424A1 - Coal mill : en ru
  • SU60463A1 - A method of worsted cotton in a mixture with wool : en ru
  • US2247665A - Chipper : en
  • AU113351B2 - Improvements in or relating to flexible backed brushes : en
  • CA397641A - Receptacle closure : en fr
  • CA397709A - Dividing machine : en fr
  • CH215595A - Process for the production of protective layers on light metals and light metal alloys. : de en
  • USD128056S - Design for a telephone meter : en
  • DE707693C - Process for the production of a yellow fluorescent substance : de en
  • GB537653A - Improvements relating to metal testing machines : en
  • US2247648A - Motor : en
  • AU113338B2 - Improvements in and relating to wall ventilators : en
  • CH215533A - System for the generation of images, characters or the like. For advertising or other purposes on water surfaces. : de en
  • DE707800C - Process for the production of the nozzle rings for exhaust gas turbines to drive supercharging blowers : de en
  • SU60287A1 - Head to spindle dl without ball spin : en ru
  • SU60259A1 - Porcelain Insulator Machine : en ru
  • US2247963A - Apparatus for spray coating articles : en
  • US2247978A - Shaker : en
  • GB537669A - Improvements in or relating to the reduction of potatoes and other starch-containingvegetables to dry powder : en
  • US2247408A - Printing telegraph apparatus : en
  • CA397661A - Piston packing : en fr
  • CA397672A - Facsimile system : en fr
  • DE684644C - Process for the production of artificial women : de en
  • CA397647A - Welding rod : en fr
  • CH215350A - Sealing device on room locking devices. : de en
  • GB537729A - Improvements in or relating to closures for containers : en
  • US2247487A - Dual front wheel mounting : en
  • US2247727A - Surface gripping device : en
  • AU113332B2 - Improvements in and relating to apparatus for applying pneumatic pressure : en
  • CA13114S - Emblem : en
  • CH215404A - Process for the preparation of a phthalocyanine series dye. : de en
  • DE707660C - Process for introducing sulfur into mineral oils, mineral oil residues, tea oils, fatty oils or mixtures thereof : de en
  • GB537657A - Improvements relating to heating elements or radiants for furnaces : en
  • US2247658A - Phonograph : en
  • DE707704C - Process for the preparation of pyridine compounds : de en
  • GB537745A - An improved device for marking pedestrian crossings, centre lines, parking places for vehicles, and other public signs on roadways carriageways and the like : en
  • CH215437A - Electricity meter with timer. : de en
  • US2247722A - Process fob the emulsification of : en
  • GB537676A - Improved washing means for use in gas manufacture or like purposes : en
  • DE707789C - Rotary kiln for the heat treatment of all kinds of goods with retaining walls : de en
  • DE707809C - Triggering device for hiking pillar : de en
  • GB537679A - Improvements in filters : en
  • US2247716A - Apparatus for making patterned goods on knitting, hosiery, and similar machines : en
  • DE707857C - Method of making daemns : de en
  • US2247908A - Apparatus for recording statistical data : en
  • GB537710A - Improvements in or relating to apparatus for electrically etching metallic articles : en
  • CH215448A - Waterproof watch case. : de en
  • USD128093S - Design for a dress : en
  • CH215554A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • SU60426A1 - Shut-off valve for fuel pump for internal combustion engine : en ru
  • SU60321A1 - Device for increasing the sensitivity of radio receivers : en ru
  • US2247459A - Shoe : en
  • US2247815A - Plural break circuit interrupter : en
  • DE707740C - Solenoid-like electromagnet in which a divided iron circuit surrounds the coil, especially for alternating current : de en
  • DE707841C - Overpressure water turbine consisting of at least two turbine units : de en
  • SU60415A1 - Diffusion battery : en ru
  • DE707836C - Air rifle with a forward and backward pivotable bolt-like cocking lever : de en
  • US2247781A - Atomizing nozzle : en
  • SU60412A1 - Device for automatic control of cable insulation resistance : en ru
  • US2247594A - Process for the recovery of hydrocarbons : en
  • US2247826A - Electric sadiron : en
  • SU60457A1 - Spring piston ring : en ru
  • US2247512A - Television video-frequency signaltranslating system : en
  • US2247842A - Device for electric control of movable stands : en
  • US2248016A - Folding mechanism : en
  • US2247866A - Impulse transmitter : en
  • US2247448A - Conveying apparatus : en
  • US2247965A - Wardrobe suitcase : en
  • SU60393A1 - Device for increasing the chain weight of a lock electric locomotive using an endless chain : en ru
  • CH215435A - Compass with housing made of electrically non-conductive material. : de en
  • GB537667A - Improvements in and relating to the pulping of soft and semi-soft substances : en
  • USRE21848E - Electric circuit breaker : en
  • GB537765A - Improvements in apparatus for short-wave therapy and the like : en
  • GB537766A - Improvements in buttons : en
  • US2247440A - Scalp massaging device : en
  • USD127992S - Design for a tgay or similar article : en
  • USD127972S - Phonograph record holder : en
  • US2247941A - Variable phase shifter : en
  • US2248013A - Train order deliverer : en
  • USD128009S - Support for spectacles or the like : en
  • GB537756A - Improvements in metallic chairs or seats : en
  • US2248015A - Firearm : en
  • US2247453A - Asbestos and cement composition and method of making : en
  • US2247816A - Heating unit : en
  • GB537706A - A new or improved support for blinds and other articles : en
  • US2247765A - Manifolding : en
  • US2247888A - Vending machine : en
  • USRE21850E - Airplane structural element : en
  • PL29785B1 - Method of heat treatment of steel (nickel, containing cobalt and aluminum with or without the addition of titanium, intended for the production of permanent magnets) : en pl
  • US2247437A - Towel holder : en
  • US2247930A - Vacuum radiator air vent valve : en
  • US2248022A - Mower : en
  • US2248030A - Motion transmitting mechanism : en
  • DE707820C - Arrangement for superimposing a three-phase network : de en
  • DE707803C - Filling shoe, especially for tablet presses : de en
  • DE707835C - Frame holder : de en
  • US2247738A - Adjustable fur stretcher : en
  • CH215527A - Ground balanced circuit. : de en
  • US2247647A - Folding rule construction : en
  • US2247673A - Bread-loaf fractionating mechanism : en
  • SU60296A2 - A device for gluing roofing material and similar materials to carry out the method : en ru
  • CA397663A - Sliding door assembly : en fr
  • US2247520A - Check valve : en
  • US2247617A - Burial vault : en
  • SU60266A1 - Device for remote control using a code whose neighboring signals have different qualitative characteristics : en ru
  • US2247858A - Oil burner : en
  • US2247374A - Brake : en
  • US2247495A - Tertiary alkyl urea and process for preparing same : en
  • US2247630A - Radio frequency amplifier : en
  • US2247909A - Communication system : en
  • US2247999A - Shuttle motion for narrow fabric looms : en
  • US2247492A - Speed responsive mechanism : en
  • US2247590A - Valve : en
  • US2247825A - Valve arrangement : en
  • SU60332A1 - Physical appliance : en ru
  • SU60451A1 - Cantilever rotary crane : en ru
  • AU113334B2 - Improvements in circuits for operating HPMV lamps : en
  • US2247618A - Sash holder : en
  • US2247461A - Xylophone : en
  • US2248036A - Refrigerating apparatus : en
  • GB537640A - Improvements relating to the consoles of organs : en
  • SU60357A1 - Unipolna machine with a cylindrical rotor : en ru
  • US2247642A - Load binder : en
  • US2247605A - Centrifugal drier for textile fibers : en
  • US2247919A - Dithiocarbamates : en
  • SU60368A1 - Neon gas lamp : en ru
  • DK58817C - Procedure for draining shredded potatoes or beets by pressing. : da en
  • US2247964A - Water softener : en
  • US2247897A - Spray nozzle : en
  • US2247655A - Voltage control for synchronous motors : en
  • USD128065S - Design for a cape : en
  • DE707844C - Command system with several receivers : de en
  • DE707868C - Aircraft wing : de en
  • SU60249A1 - Brake attachment to a torsional vater with two rows of spindles on each side : en ru
  • CA397633A - Iron and steel addition agent : en fr
  • SU60234A1 - Metal stand : en ru
  • SU60351A2 - Modification of the device for underground coal gasification : en ru
  • US2247979A - Method and apparatus for hot shaping magnesium alloy plates : en
  • CA397604A - Nitrostarch explosive : en fr
  • CA397639A - Steel making method : en fr
  • CA397574A - Static pressure measuring tube : en fr
  • CH215441A - Installation including a luminous scale adapted to a machine having a tabulation keyboard. : en fr
  • AU261540A - Improvemert; in or relating to methods of and apparatus for freezing food products : en
  • CH215403A - Process for the production of a new azo dye. : de en
  • CH215488A - Device for regulating the speed of rotation of electrical commutator machines. : de en
  • CH215578A - Process for the preparation of a monoazo dye. : de en
  • CH215408A - Process for the production of storage-stable high-speed molding compounds from urea and formaldehyde and an acid-releasing hardener. : de en
  • SU60449A1 - Bagel machine : en ru
  • US2247555A - Removable wearing surface for rubber heels : en
  • US2247603A - Putty applicator : en
  • US2247760A - Loom and method of weaving : en
  • US2248017A - Cigar lighter : en
  • US2247508A - Windshield wiper mechanism : en
  • US2247943A - Cross rolling mill : en
  • PL29809B1 - Method of blind landing of aircraft : en pl
  • SU60473A1 - Ultrahigh-pressure mercury lamp with pure tungsten electrodes : en ru
  • US2247820A - Manufacture of gel-type metallic oxide catalysts : en
  • CA397573A - Fountain pen : en fr
  • CH215552A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • CA397634A - Moulten ferrous metal processing and addition agent : en fr
  • CH215442A - Typewriter. : de en
  • CH215493A - Attachment of elongated components to planar parts and method for their production. : de en
  • AU113345B2 - A pneumatic tire valve and tube : en
  • PL29800B1 - Auergesellschaft Aktiengesellschaft, Berlin Absorbent mass for binding carbon dioxide in breathing apparatus and method of its production : en pl
  • CA397713A - Stuttering healing device : en fr
  • US2247983A - Amplifying apparatus : en
  • SU60350A1 - Propeller Pitch Measurement Device : en ru
  • CA397616A - Brake control means : en fr
  • US2247960A - Tuning fork : en
  • CA397676A - Automobile radio antenna : en fr
  • CH215412A - Carbon paper. : de en
  • CA397566A - Oil burner : en fr
  • CA397567A - Sealed bearing : en fr
  • CA397643A - Shoe sole fastening means : en fr
  • CA397681A - Glyceride extracting and refining process : en fr
  • PL29835B1 - N. V. Carbo- Union Industrie Maatschappij, Rotterdam '' Coal-dust furnace : en pl
  • US2247513A - Exhausting machine : en
  • US2247662A - Radiant energy distance measuring system : en
  • US2247890A - Core for electrical apparatus : en
  • CH215423A - Handguns, in particular anti-tank guns. : de en
  • DE707669C - Device for measuring the color of lighting : de en
  • US2247450A - Hunter's decoy : en
  • US2248000A - Clamping arrangement for pipe joints : en
  • PL29828B1 - Radio Corporation of America, New York, N.Y. Receiver with frequency conversion and self-tuning correction : en pl
  • US2247413A - Cigarette machine : en
  • US2247785A - Electric valve translating system : en
  • USD127974S - Design for a dart board : en
  • USD127984S - Design for a thermometer : en
  • CH215511A - Grids for amplifier tubes. : de en
  • DE707706C - Degasser for different amounts of condensate or feed water : de en
  • BE441406A - : en
  • DE707659C - Adhesive : de en
  • CH215349A - Equipment on stairs for fastening a board protection covering to the steps. : de en
  • CH215360A - Portable electric radiator. : de en
  • DE707751C - Engine arrangement in aircraft : de en
  • GB537616A - Improvements relating to fluid valves : en
  • CH215454A - Device for the production of magnesium by thermal reduction. : de en
  • SU60311A1 - Pipe bending device using swivel castors : en ru
  • SU60340A1 - A device for testing high-voltage switches for limiting breaking currents using a low-voltage current source : en ru
  • CH215434A - Leveling instrument. : de en
  • US2247703A - Apron panel for gliders : en
  • US2247800A - Dispenser for stacks of sheets : en
  • US2247994A - Lapping machine : en
  • SU60497A1 - Rolling pin for scutching machines : en ru
  • US2247532A - Delivery mechanism for delivering liquid such as fuel to tanks : en
  • US2247656A - Vise : en
  • US2247671A - Cable seal : en
  • CA397715A - File and rasp whetting method : en fr
  • US2247761A - Engraving machine : en
  • SU60494A1 - Spindle for conical layer winding of bottle spools : en ru
  • US2247527A - Swash-ring driving mechanism : en
  • DE707703C - Process for the processing of dilute complex ammoniacal heavy metal solutions : de en
  • CH215542A - Contact wire made of aluminum and steel or iron. : de en
  • DE707758C - Non-counter-rotating, radially loaded turbine with blades bladed on both faces and division of the blading into three groups : de en
  • US2247460A - Continuous filtration : en
  • CH215470A - Machine part with ball bearings. : de en
  • CH215385A - Reel device for manual work. : en fr
  • USD127986S - Design for a lantern slide holder : en
  • CH215430A - Display method for field strength comparison methods. : de en
  • US2247425A - Corned beef : en
  • US2247710A - Mechanism for pianos : en
  • US2247386A - Cable connector : en
  • DE707711C - Device for removing solid contaminants from liquid lubricants : de en
  • PL29849B1 - : en pl
  • DE707680C - Food can lid closure : de en
  • SU60520A1 - Support device : en ru
  • SU60461A1 - Crane for dispensed liquid dispensing : en ru
  • SU60485A1 - Photomultiplier with electrostatic multiplication system : en ru
  • US2247375A - Treatment of bituminous materials : en
  • USD128028S - Design fob a heater cabinet : en
  • DE707757C - Process for the preparation of organic acid amides : de en
  • SU60395A1 - A device for closing a coin hole in dispensers for dispensing carbonated drinks : en ru
  • US2247521A - Wrench : en
  • DK58820C - Engraving machine. : da en
  • CA397602A - Paper colouring process : en fr
  • DE707812C - Adjustable longitudinal anchorage for a chamber furnace battery : de en
  • DE707790C - Control device for devices rotatable by means of an electric motor, e.g. Conveyor belt drive drums : de en
  • SU60510A1 - The method of study of rocks being drilled during well drilling : en ru
  • US2247392A - Process of making smokeless powder : en
  • US2247517A - Mold core : en
  • US2247681A - Connection for planters to tractors : en
  • GB537747A - Improvements in electric motor control systems : en
  • DE707838C - Device for blowing up unsolvable nuts : de en
  • DE707759C - Device for supplying color to duplicating machines : de en
  • US2247431A - Sanitary attachment for dairy cows : en
  • US2247906A - Accounting machine : en
  • US2247951A - Doughnut machine : en
  • US2248001A - Nonrefillable paste container : en
  • USD127996S - Design for a camera : en
  • USD128067S - Design for a combined stand, mirror : en
  • SU60244A1 - Method for producing glycerin by fermentation of sugar-containing solutions with carrying out the process in a neutral medium under vacuum or normal pressure using yeast : en ru
  • GB537722A - Improvements relating to wrist watch bands, bracelets, necklets, and the like : en
  • US2247404A - Aralkyl polyhydric phenol : en
  • USD128094S - Design for a dkess : en
  • DE707847C - Process for the production of thickeners for fabric printing from cherry gum : de en
  • DE707694C - Temperature regulator for gas burner : de en
  • GB537740A - Improvements in or relating to the production of solutions for the manufacture of artificial fibres, and artificial fibres derived therefrom : en
  • AU18040A - Improvements in or relating to variable capacity devices and circuit arrangements employing thesame : en
  • USD128033S - Design for a sweater : en
  • US2247633A - Fireproofing paint : en
  • CA397708A - Garbage disposal device : en fr
  • SU60318A1 - Head for drilling machine for drilling radial holes : en ru
  • CA397577A - Railway car draft gear : en fr
  • CA397684A - Railway rail : en fr
  • GB537711A - Improvements in and relating to rail joints : en
  • US2247636A - Bowling alley : en
  • USD128091S - Design for a shoe : en
  • IE18164L - Electric interrupter switches : en
  • CH215457A - Bending machine. : de en
  • AU281740A - Improvements relating to automatic telephone systems : en
  • CH215579A - Process for the preparation of a monoazo dye. : de en
  • CH215580A - Process for the preparation of a monoazo dye. : de en
  • US2247669A - Barbecue roaster : en
  • DE707829C - Process for the production of a water-swellable or soluble colloid layer for the temporary attachment of preferably photographic release layers : de en
  • US2247714A - Transmission mechanism : en
  • CA397607A - Alkyl glycolate preparation : en fr
  • DE707593C - Process for producing genuine crystallized cardiac active glucosides from Digitalis Ianata : de en
  • USD127985S - Fruit juice extractor or the like : en
  • PL29822B1 - The method of wetting printing forms during planographic printing, especially offset printing, and the dyeing system for performing this method : en pl
  • SU60289A1 - Centrifuge : en ru
  • US2247949A - Refrigerating apparatus : en
  • CH215367A - An object assembled from parts at least partially made of glass. : de en
  • SU60436A1 - Method for separating oxygenic organic substances of a neutral nature from their mixtures with hydrocarbons : en ru
  • SU60509A1 - Mercury thermometer : en ru
  • US2247518A - Reciprocating means for catheads : en
  • US2247717A - Emergency tire truck : en
  • US2247755A - Electric contact : en
  • CH215498A - Knee lever snap device. : de en
  • CH215549A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • CH215563A - Process for the preparation of a heavy metal compound from a thiuram disulfide. : de en
  • CH215522A - Method and apparatus for the forced production of scum particularly applicable to fire extinguishers, fire pumps and the like. : en fr
  • US2247767A - Electric connector : en
  • CH215401A - Process for the preparation of nucleosides. : de en
  • AU113348B2 - Improvements in loading appliances associated with motor vehicles trailers, andthe like : en
  • DE707854C - Process for the production of laevulinic acid : de en
  • BE441556A - : en
  • CH215499A - Contact selector intended for remote control systems. : de en
  • CH215501A - Surge arresters. : de en
  • CA397603A - Inorganic nitrate explosive : en fr
  • SU60329A1 - Apparatus for the sale of sparkling water with syrups : en ru
  • SU60390A1 - Integrator : en ru
  • US2247720A - Chair : en
  • CH215513A - Hurricane lantern. : de en
  • CH215566A - Process for the preparation of a heavy metal compound from a thiuram disulfide. : de en
  • USD128102S - Design for a dress ensemble : en
  • US2247690A - Friction clutch plate : en
  • AU113349B2 - Improved scaffold device : en
  • CA397588A - Discharge lamp system : en fr
  • CA397656A - Intaglio printing ink : en fr
  • DE707672C - Air-compressing internal combustion engine for dust-like fuels : de en
  • DE707748C - Synchronous milling device on milling machines, in particular gear milling machines, with vertical slide movement : de en
  • DK58806C - Cable with several separately shielded conductor units. : da en
  • DE707718C - Device for checking the filament position of a projection lamp : de en
  • CH215449A - Waterproof watch box. : en fr
  • CA397664A - Tube quenching apparatus : en fr
  • CH215523A - Mint for self-sellers operated with different coins for gas, electricity or the like. : de en
  • US2247810A - Apparatus for cutting fruit : en
  • US2247737A - Inspection apparatus : en
  • CA397564A - Ski binding : en fr
  • CH215544A - Device for motorized adjustment of an organ, e.g. B. a control surface in aircraft or watercraft. : de en
  • SU60378A1 - A device for transferring rolls when rolling sheet metal from the back side of a duo-mill to the front : en ru
  • US2247438A - Electric sadiron : en
  • US2247932A - Dish rinsing rack : en
  • US2247573A - Dental investment composition : en
  • US2247991A - Method of duplicating sound records : en
  • CH215598A - Switching device, consisting of two switches connected in series. : de en
  • CA397640A - Dispersion mill : en fr
  • SU60496A1 - A method of manufacturing waterproof caps : en ru
  • CH215574A - Process for the preparation of a monoazo dye. : de en
  • CH215502A - Cathode ray tube with deflection device. : de en
  • DE707860C - Device for roasting fish and similar goods : de en
  • PL29794B1 - A method of soldering pipes on bicycles, motorcycles and similar vehicles : en pl
  • US2247982A - Road grader : en
  • SU60228A1 - Device for determining the moisture of the surface layer of sheet and similar materials : en ru
  • SU60297A1 - Frequency meter : en ru
  • CA397670A - Track sander : en fr
  • GB537717A - Improvements relating to electric incandescent lamps : en
  • GB537741A - Improvements in and relating to the obtaining of fruit-juice products : en
  • GB537761A - Improved apparatus for treating paper pulp : en
  • CA397630A - Chemical product : en fr
  • AU104840A - Improved means for controlling the gas supply to water heaters ofthe type employing a continuously burning pilot jet : en
  • USD127962S - Design for a lettering scriber : en
  • USPP478P - Carnation plant : en
  • US2248033A - Manufacture of cements from calcium sulphate and blast furnace slag : en
  • US2247744A - Radio aerial system : en
  • AU326840A - A pneumatic tire valve and tube : en
  • US2247387A - Elastic fluid turbine diaphragm supporting and centering arrangement : en
  • US2247935A - Apparatus for pressing garments : en
  • US2247542A - Thermo static air conditioning : en
  • US2247748A - Medical and mechanical foot cushion : en
  • CH215395A - Sausage filling machine. : de en
  • US2247415A - Art of combustion of carbonaceous fuels and fuel products used therein : en
  • USD128101S - Design for a dress ensemble : en
  • US2247548A - Oil burner adapter : en
  • SU60431A1 - A device for rotating the paper roller of a typewriter at any line spacing : en ru
  • DE707781C - Process for preheating of rail joints to be welded : de en
  • DE707780C - Electro-hydraulic drive device with a pump built into the working piston and driven by an electric motor : de en
  • US2247488A - Coin selector : en
  • US2247389A - Processing of thread or the like : en
  • US2247470A - Process for the separation of nitrosyl chloride and chlorine : en
  • US2247865A - Method and apparatus for freezing : en
  • USD128045S - Design fob an embalmer s table : en
  • GB537704A - Improvements in or relating to treating or refining glyceride oils and fats : en
  • DE707712C - Heating device for food cans : de en
  • CH215346A - Seed extractor with rotating cell drum. : de en
  • CH215422A - Split-pin ski pole. : de en
  • SU60293A1 - Hydraulic drive for the manipulator and the longitudinal and transverse tables of the hydraulic press : en ru
  • US2247385A - Abrasive separating and cleaning apparatus : en
  • DE707655C - Protection device for fast starting DC motors with an automatic controller : de en
  • US2247640A - Reproducer : en
  • SU60265A1 - Radio receiver with a device for suppressing industrial noise in the detector stage : en ru
  • DE707845C - Continuous roller line for the production of sheet metal strips of large width : de en
  • DE707754C - A spreadable bottle filled with a liquid to be spread, in particular with glue or with stamping ink : de en
  • SU60524A1 - The method of investigation of the mineral composition of low-transparent rocks : en ru
  • US2247369A - Brake control for automotive vehicles : en
  • US2247692A - Means for fractionating sliced bread loaves : en
  • US2247893A - Portable diner : en
  • GB537618A - Improvements relating to welding and other operations on the hulls of light watercraft : en
  • CA397583A - Drum type dehumidifier : en fr
  • GB537683A - An improved process for mineralising organic fillers for light structural substances : en
  • GB537715A - Improvements in the manufacture of tubular valve or like members having internal ports or recesses : en
  • DE707861C - Electric contact : de en
  • DE707692C - Electron tubes with a device to support the electrode system held together by an insulating washer with a smaller diameter than the piston by means of metal springs : de en
  • DE707769C - Starting device for water ring pumps : de en
  • DE707720C - Universal test device for paper, fabric webs or the like. : de en
  • US2247797A - Micrometric gauge : en
  • USD127970S - Design fob a measuring device : en
  • CA397690A - Naphthenic acid recovery from hydrocarbon oils : en fr
  • CH215576A - Process for the preparation of a monoazo dye. : de en
  • US2247499A - Screw stick : en
  • US2247545A - Display apparatus : en
  • US2247990A - Burner for finely distributed fuel : en
  • SU60349A1 - Manual handcart with grippers for lifting and holding the transported cargo : en ru
  • US2247732A - Motor vehicle : en
  • US2247844A - Rear door lock for vehicles : en
  • USD128038S - Design fos a textile fabric : en
  • US2247794A - Apparatus for treating sheet material : en
  • GB537771A - Improvements in centrifugal separators for extracting solids from liquids : en
  • USD127979S - Design fos a beverage dispensing container : en
  • GB537726A - A device for spreading trawl nets : en
  • US2247471A - Manufacture of yarns : en
  • US2247485A - Bubble tower : en
  • US2247493A - Mercury contact relay : en
  • USD128049S - Design for a fluorescent lamp fixture : en
  • GB537757A - Improvements in or relating to parachute harnesses : en
  • US2247410A - Hydraulic coupling device : en
  • USD128074S - Design fob a snap-on button ob similar abticle : en
  • US2247724A - Horn weight : en
  • US2248020A - Arc furnace and, more specifically, to means for automatically controlling : en
  • GB537758A - Improvements in or relating to apparatus for cutting vegetables : en
  • DE707773C - Device for radium irradiation of uterine cancer : de en
  • US2247840A - Envelope opener : en
  • GB537690A - Process for the manufacture of derivatives of [1,3,5-triazinyl-(6)]-aminophenyl-arsonic acids : en
  • SU60276A1 - Apparatus for imposing artificial pneumothorax using a piston cylindrical pump with moving piston own force of gravity : en ru
  • DE707788C - Arrangement for the transmission of angular adjustments : de en
  • SU60280A1 - Method for making bas-relief images on marble : en ru
  • US2247977A - Oil burning apparatus : en
  • US2247829A - Method of protecting cut surfaces of pieces of wire : en
  • GB537607A - Alloy for welding rod having high tensile strength and insensibility to thermal action : en
  • DE707778C - Low-profile, transversely stiff spring body with friction damping for the flexible mounting of machines, especially of rolling mill rolling alleys : de en
  • GB537700A - Improvements relating to furnaces for the heat treatment of metal : en
  • DK58803C - Telegraph system. : da en
  • DE707818C - Thermal trigger : de en
  • DE707849C - Method and device for dewatering peat by stacking in column form : de en
  • US2247677A - Tight-lock car, air, and electric coupler : en
  • US2247680A - Agricultural implement : en
  • DK58809C - Procedure for the manufacture of radioactive devices for protection against lightning or hail. : da en
  • GB537739A - Improvements in and relating to electric motor control systems : en
  • USD127980S - Design for a sachet : en
  • USD128100S - Design fok a dress ensemble : en
  • CA397652A - Suction cleaner : en fr
  • USD128066S - Design fok a belt foe bait lube : en
  • USD128077S - Design fob a dress : en
  • US2247523A - Process for refining phenols : en
  • US2247694A - Sliced bread-loaf fractionating machine : en
  • US2247713A - Overrunning clutch with floating raceways : en
  • SU60309A1 - Device for continuous cooling and saccharification of boiled mash mass in alcohol production using heat exchangers and agitators for mixing with malted milk : en ru
  • US2247442A - Neutralizing arrangement for amplifiers : en
  • US2247507A - Telephone system : en
  • US2247706A - Lens abrading machine : en
  • CA397592A - Ignition composition : en fr
  • CH215490A - Magnetic electric flywheel machine. : de en
  • US2247667A - Mattress : en
  • US2247745A - Magnetizer : en
  • SU60303A1 - Control door lock : en ru
  • US2247557A - Peanut shelling grate : en
  • SU60414A1 - Method for extracting nicotine from raw tobacco using stripping it in a stream of water vapor : en ru
  • SU60416A1 - Bristle washing machine : en ru
  • US2247976A - Liquid dispensing valve : en
  • US2247721A - Adjustable center for tailstocks : en
  • GB537707A - Improvements in or relating to arm chairs : en
  • DE707858C - Device for the formation of an evenly thin layer of parallel bast fiber stalks : de en
  • CH215468A - Drying frame for roof tiles. : de en
  • CH215519A - Analgesia device. : de en
  • SU60420A1 - Method for determining fiber bonding : en ru
  • US2247786A - Air cleaner : en
  • GB537646A - Improvements relating to hydraulic brakes : en
  • DE707762C - Control device for voltage equalization : de en
  • US2247592A - Protective device : en
  • PL29848B1 - A device for dyeing threads or loose fibers : en pl
  • SU60470A1 - Remote control device with linear relays : en ru
  • US2247882A - Stove : en
  • US2247534A - Tractor hitch : en
  • PL29814B1 - A method of separating admixtures from gases and a device for carrying out the method : en pl
  • DE707731C - Catch game : de en
  • US2247509A - Filler attachment for gasoline tanks : en
  • SU60464A1 - Chain transfer to the shaft of the bobbin gears : en ru
  • US2248011A - Container cover : en
  • US2247373A - Making phosphoric acid : en
  • US2247608A - Rain water container : en
  • US2247544A - Apparatus and process for generating sinusoidal currents : en
  • US2247913A - Condensation product of 4-(4' amino benzene sulphonamido)-benzene sulphonamide with an aldose : en
  • CH215494A - Dismountable electrical contact. : de en
  • USD127978S - Design for a game board : en
  • SU60446A1 - Machine for grinding wheels : en ru
  • US2247757A - Antenna for unidirectional radiation of radio waves : en
  • US2247390A - Thread treating apparatus : en
  • US2247851A - Process for preparing food from oleaginous, protein-base, organic material : en
  • US2247678A - Sliced bread loaf fractionating mechanism : en
  • US2247873A - Toy rattle : en
  • US2247587A - Investment composition : en
  • US2247998A - Piano action : en
  • GB537712A - Process for the production of aliphatic acids from their salts : en
  • CH215393A - Shoe glue press. : de en
  • GB537721A - Improvements in railway permanent way : en
  • SU60365A1 - A device for unloading lime from a kiln with a conveyor : en ru
  • US2247346A - Dyeing apparatus : en
  • US2247947A - Window ventilator : en
  • USD127988S - Design for a curtain display rack : en
  • US2247911A - High pressure water closet : en
  • DE707701C - End connection for a metal hose : de en
  • BE441477A - : en
  • GB537686A - Improvements in or relating to shock absorbers : en
  • CH215497A - Remote control device for a control unit of an electrical installation. : en fr
  • US2247417A - Electrical logging : en
  • PL29834B1 - A device for simultaneous single-color and multi-color prints : en pl
  • US2247872A - Starter switch : en
  • CH215546A - Process for the preparation of a reaction product of chlorosulfonic acid. : de en
  • US2247427A - Corporation stop and tool : en
  • US2247599A - Memorandum device or the like : en
  • US2247649A - Archery bow : en
  • USD128016S - Design for a lamp head : en
  • SU60322A1 - Nailing tool : en ru
  • USD128071S - Design for a hood or similar article : en
  • USD128055S - Design for a golf club head : en
  • DK58816C - Self-cleaning threshing machine. : da en
  • CH215486A - Multiple control apparatus actuated by the expansion of a control medium to control regulating devices. : de en
  • CH215529A - Portable radio device in which the transmitter and receiver operate alternately. : de en
  • DK58802C - Compression chiller. : da en
  • CH215384A - Sewing machine. : de en
  • CH215586A - Process for the preparation of a monoazo dye. : de en
  • US2247418A - Toy railway with sound effects : en
  • US2247660A - Animal trap : en
  • CH215540A - Bicycle with an alternator. : de en
  • US2247650A - Lemon slicer : en
  • BE441580A - artificial wood slab, wooden stone, etc., or special composition for any coverings and machine for making it : en fr
  • USD127990S - Combined sterilizing cabinet and toilet seat : en
  • DE707819C - Conversion device for energy transmission between two constant voltage direct current networks : de en
  • SU60248A1 - A device for rolling up multi-layer flat driving belts using a tapered slot : en ru
  • SU60273A1 - The method of obtaining 3,3'-diamino-4,4'-dioxyarsenobenzene : en ru
  • BE441507A - : en
  • CH215559A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • CA397710A - Waste paper cardboard manufacture : en fr
  • CA397617A - Thread handling machine : en fr
  • US2247447A - Wallpaper machine : en
  • SU60353A1 - A device to monitor the progress of the fire in the underground gasification of combustible : en ru
  • CH215414A - Apparatus attached to a typewriter for making carbon-free carbon copies. : de en
  • USD128086S - Design foe a dkess : en
  • SU60544A1 - The method of preparation of the polishing paste from a mixture of water : en ru
  • USD128089S - Design fob a handbag : en
  • CH215382A - Electrically individually driven spinning or twisting spindle. : de en
  • CH215564A - Process for the preparation of a heavy metal compound from a thiuram disulfide. : de en
  • SU60478A1 - Method of radiotelephone transmission : en ru
  • GB537675A - Means for masking the roof lights in factories or other buildings : en
  • CH215535A - Extension trolley. : en fr
  • CH215474A - Multi-stage, axially working turbo machine. : de en
  • PL29791B1 - AK9 & <4 4 (0tr óeskoslovenska Zbrojovka A. S. Brno, Brno Self-acting firearm with a sliding barrel : en pl
  • US2247598A - Bed : en
  • US2247611A - Knitting machine sinker : en
  • US2247922A - Pump : en
  • CH215483A - Mixing valve for producing a motor fuel using a propellant gas and a liquid fuel-water mixture. : de en
  • SU60338A1 - Apparatus for controlling associated boiler units : en ru
  • US2247371A - Production of asphalt : en
  • US2247628A - Ophthalmic lens : en
  • US2247777A - Method for forming castings : en
  • GB537658A - Improvements in thermionic device : en
  • GB537751A - Telephone systems : en
  • SU60397A1 - Uric Acid Production Method : en ru
  • US2247456A - Welting : en
  • US2247578A - Differential transmission : en
  • SU60369A1 - Instrument for measuring road surface roughness : en ru
  • SU60546A1 - The method of obtaining the porous mass : en ru
  • US2247891A - Ventilating apparatus : en
  • CH215581A - Process for the preparation of a monoazo dye. : de en
  • US2247401A - Method and means of packaging sliced loaves : en
  • CH215421A - Ski binding with adjustable toe pieces. : de en
  • SU60345A1 - Device for signaling the accumulation of bottom ice in the stream : en ru
  • US2247904A - Refrigeration : en
  • AU113326B2 - Improvements in or relating to variable capacity devices and circuit arrangements employing thesame : en
  • SU60285A1 - Device for automatic branded laminated material : en ru
  • BE441529A - Method and device for treating coal to obtain fuel therefrom. : en fr
  • CH215358A - Electric oven for space heating based on the air circulation principle. : de en
  • SU60439A1 - Device for sorting cake meal according to the content of ferromagnetic impurities : en ru
  • SU60394A1 - Soshnik for seed : en ru
  • US2247577A - Liquid grease and lubricant : en
  • USD127963S - Design fok a glidek : en
  • CA397649A - Suction cleaner : en fr
  • US2247428A - Corporation stop and tool : en
  • US2247429A - Locomotive booster : en
  • US2247857A - Oil burner : en
  • SU60306A1 - Rubber stamped to transfer pressure to sheet metal : en ru
  • US2247348A - Scanning apparatus : en
  • US2247764A - Binder for patching veneers : en
  • US2247559A - Wiping solder : en
  • US2247928A - Coupling : en
  • SU60262A1 - Instrument for investigating the processes of deformation and destruction of sheet materials : en ru
  • US2247918A - Vulcanization of rubber : en
  • USD128082S - Design for a dkess : en
  • PL29823B1 - : en pl
  • PL29844B1 - : en pl
  • US2247900A - Bedspring : en
  • US2247588A - Investment composition : en
  • US2247804A - Permanent magnet : en
  • US2247670A - Power transmitting means : en
  • US2248023A - Bedspring : en
  • SU60518A1 - Instrument for monitoring the cut-off angle of the anode current of lamp generators : en ru
  • US2247945A - Wall covering : en
  • DE707684C - Device for stripping off yarn remnants from bobbins : de en
  • DE707774C - Connecting strap for building board walls : de en
  • GB537727A - Improvements in centrifugal pumps : en
  • US2247381A - Sewing machine drive means : en
  • US2247383A - Convertible flat-bed cylinder arm sewing machine : en
  • US2247620A - Bottle crate : en
  • US2247828A - Can seaming machine : en
  • PL29833B1 - A method of distilling materials containing non-volatile components next to non-volatile components : en pl
  • US2247924A - Automatic equalizing system for recording on disk records : en
  • US2247396A - Ornamenting machine : en
  • US2247980A - Danger signal for bridges : en
  • CA397702A - Hard microporous product : en fr
  • US2247622A - Painting apparatus : en
  • CH215485A - Gas turbine system equipped with a heat exchanger. : de en
  • US2247441A - Wind instrument mouthpiece : en
  • USD127981S - Design for a sachet : en
  • US2247601A - Anchor band for corsets or the like : en
  • US2247490A - Spring clip : en
  • DE707747C - Cutter head with rod-shaped cutter carriers attached in axially parallel grooves in the tool body : de en
  • US2247506A - Control system for electric translating devices : en
  • GB537647A - Improvements in driving means for motor vehicles : en
  • DE707683C - Mechanical vehicle toys : de en
  • DE707765C - Circuit for the ignition of a gas-filled electric glow electrode discharge tube : de en
  • DE707822C - Rotary transformer : de en
  • DE707830C - Developing box for processing photographic picture bands with spiral guides for the picture bands : de en
  • DE707855C - Absorption cold apparatus : de en
  • BE441401A - : en
  • USD127961S - Design for a valve : en
  • US2247802A - Jacketed steam hammer : en
  • SU60456A1 - Device for adjusting the release of foam through the overflow threshold of a flotation device : en ru
  • CA397601A - Organic substituted acetic acid : en fr
  • CH215588A - Process for the production of an asymmetrical trimethine cyanine dye. : de en
  • US2247583A - Kitelike trolling sinker : en
  • US2247902A - Thermal-responsive device : en
  • SU60361A1 - Device for recording the amount of fluid flowing : en ru
  • USD128062S - Design for sunglasses : en
  • USD128072S - Design for a snap-on button or similar article : en
  • SU60504A1 - Electric Motor Protection Device : en ru
  • DE707705C - Process for the preparation of papaverine-like tetrahydroisoquinoline compounds : de en
  • US2247416A - Reinforced hose : en
  • US2247563A - Projectile : en
  • SU60330A1 - Advertising device : en ru
  • US2247944A - Ornament : en
  • SU60498A1 - Nutritional table for carding and similar machines : en ru
  • US2247464A - Road grader : en
  • US2247861A - Operating mechanism : en
  • US2247987A - Apparatus for heating and ventilating : en
  • US2247992A - Electrode of secondary batteries : en
  • DE707811C - Supply of preheated air to maintain the welding temperature when producing a web at the fork points of Y-pipes : de en
  • SU60290A1 - The method of underground gasification of flammable flow method with reverse blowing : en ru
  • US2247365A - Manufacture of side-chain aromatic : en
  • US2247505A - Seal : en
  • CA397560A - Articulated locomotive : en fr
  • CH215573A - Process for the preparation of a mixture of sodium salts of acylated aminomethanesulfonic acids. : de en
  • CH215495A - Feed-through device on the wall of shielding housings for the feed-through of an electrical line. : de en
  • CH215376A - Toddler armchair. : de en
  • AU28941A - Improvements in or relating to variable capacity devices and circuit arrangements employing thesame : en
  • CH215508A - Variable capacitor. : de en
  • SU60250A1 - The method of patterned colors fabric iron blanches : en ru
  • US2247845A - Combustion turbine plant : en
  • US2247903A - Refrigeration : en
  • US2247600A - Means for housing and controlling the evaporation of odor blocks : en
  • US2247892A - Airflow ventilating apparatus : en
  • CA397685A - Food container : en fr
  • CH215568A - Process for the preparation of a new sulphonic acid mixture. : de en
  • US2247698A - Means for fractionating sliced baked bread loaves : en
  • US2247847A - Recording and reproducing device for magnetic sound writing : en
  • CH215555A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • US2247718A - Thread winding machine : en
  • US2247719A - Cutting tool for slitting purposes : en
  • AU113335B2 - Improvements in wringing apparatus for laundries andthe like : en
  • US2247787A - Suction lifter : en
  • SU60355A1 - Intermediate rail fastener for long rails : en ru
  • US2247709A - Plural stage self-priming centrifugal pump : en
  • AU113347B2 - Dual purpose centre locating and scribing tool : en
  • US2247725A - Tractor : en
  • US2247421A - Pressure regulator for fuel injection systems for internal combustion engines : en
  • US2247609A - Sanitary pipe joint : en
  • US2247959A - Spring washer : en
  • SU60242A1 - Method for determining the permeability of porous bodies by the hydraulic resistance of their gas (or liquid) flowing through the sample pores : en ru
  • SU60462A1 - Adaptation to ring vaters to raise the accumulated cobs on the spindles : en ru
  • CA397623A - Shoe inseam joint and forming machine : en fr
  • US2247547A - Wiper for coating machines : en
  • USD127983S - Design fou a brush : en
  • CH215381A - Card for long staple fiber material, especially rayon. : de en
  • CA397584A - Cartridge fuse : en fr
  • CH215599A - Fusible link thermal fuse in electrical switches. : de en
  • SU60408A1 - Flap wing : en ru
  • US2247972A - Pipe fitting : en
  • CA397682A - Railway car : en fr
  • CH215345A - Combine harvester with straw press. : de en
  • PL29827B1 - Fernmeldetechnische Staatswerke F. S. W. *), Warsaw Fork bell containing an electromagnet with a horseshoe-shaped pole : en pl
  • DE707792C - Rolling line for rolling out wide strips to a length suitable for reels : de en
  • CA397694A - Gas storage system : en fr
  • DE707821C - Adjustable jacket transformer : de en
  • CH215366A - Method and device for the production of fibers from glass, slag and other substances that are plastic when heated. : de en
  • CA397700A - Light signal apparatus : en fr
  • US2247685A - Wheel assembly : en
  • CA397600A - Filament and ribbon production : en fr
  • CH215521A - Device for removing skin impurities, especially so-called blackheads. : de en
  • DE707840C - Water turbine or pump with radial and axial or only radial or axial mounted impeller rim : de en
  • DE707850C - Process for the extraction of copper and possibly also other metals, in particular zinc, from such and cyanide-containing fluids : de en
  • US2247436A - Display stand : en
  • US2247986A - Typographical slug casting machine : en
  • AU113328B2 - Improved means for controlling the gas supply to water heaters ofthe type employing a continuously burning pilot jet : en
  • SU60271A1 - Marking Spray Gun : en ru
  • PL29841B1 - Th. Goldschmidt A.-G., Essen Adhesive sheet : en pl
  • SU60304A1 - Kapsel for poured roasting of round flat fass products : en ru
  • CH215565A - Process for the preparation of a heavy metal compound from a thiuram disulfide. : de en
  • CA397705A - Pressure regulating apparatus : en fr
  • CH215347A - Device for tying up and supporting potted and garden plants. : de en
  • CA397671A - Track sander : en fr
  • AU113344B2 - Improvement in or relating tothe sealing of paper or paperboard containers : en
  • SU60385A1 - Tutorial on geometry and drawing : en ru
  • CH215583A - Process for the preparation of a monoazo dye. : de en
  • GB537773A - Improvements in and relating to glazed synthetic resin structures and the manner of producing them : en
  • USD128087S - Design fob a handbag : en
  • DE707690C - Automatic charging device for electrical collectors : de en
  • SU60475A1 - Semi-automatic direction finder with cathode ray tube and receiver with linear amplitude response : en ru
  • US2247581A - Rerailing frog : en
  • US2247827A - Hydraulic braking means : en
  • US2247354A - Toy : en
  • GB537698A - Improvements in or relating to the construction of ceilings, floors, or double roofs : en
  • DE707866C - Switching gate of a sensible single-lever circuit for the control means of three different hydraulic drives on machine tools, especially fine boring machines : de en
  • US2247672A - Article handling machinery : en
  • US2247940A - Color stable di-naphthyl methane resin : en
  • GB537724A - Change speed, and, or, reversing devices for driving machinery, machine tools, and the like : en
  • US2247824A - Fluid heater : en
  • US2247995A - Antifriction journal bearing : en
  • GB537668A - Improved prepayment mechanism for electricity with an adjustable stepped gear arrangement for altering the price per unit : en
  • GB537732A - Improved means for sealing milk bottles and other receptacles : en
  • GB537753A - Improvements in change speed gear of the universally variable type : en
  • USD128001S - Design for a file holder : en
  • SU60282A1 - The method of balancing grinding wheels : en ru
  • CH215429A - Folding measuring instrument. : en fr
  • USD128090S - Andrfie dress ensemble : en
  • CA397699A - Electric connector : en fr
  • DE707729C - Flying boat with Laengswuelsten : de en
  • GB537719A - Improvements in and relating to time switches : en
  • CA397674A - Rotary glassware forming machine : en fr
  • CA397693A - Naphthenic acid recovery from hydrocarbon oils : en fr
  • CH215560A - Process for the preparation of a ketol of the cyclopentanopolyhydrophenanthrene series. : de en
  • PL29826B1 - Tool for copy bookkeeping : en pl
  • US2247568A - Injection nozzle : en
  • DE707766C - Process for tying the longitudinal and transverse edges of a braided or woven rubber runner : de en
  • SU60229A1 - Method for processing galalitic wastes with preliminary slurrying of bisulfites with their solutions : en ru
  • US2247351A - Prolamine composition : en
  • US2247360A - Patient handling device : en
  • US2247870A - Box made of cardboard or similar material : en
  • USD128000S - Design for a stapling machine : en
  • USD128084S - Design for a dress ensemble : en
  • DE707768C - Impeller for impeller pumps : de en
  • US2247554A - Method of recording and reproduction of sound and apparatus therefor : en
  • GB537754A - Means for converting a cultivator into a disc harrow : en
  • SU60536A1 - Leaching method of zinc oxide from semi-products of zinc production using sulfur dioxide kiln : en ru
  • GB537619A - An arrangement and construction of multi-wheel motor vehicle or tractor : en
  • DE707679C - Cylinder for a piston-operated acceleration device, in particular an aircraft sling : de en
  • SU60288A1 - The method of producing trioxyglutaric acid : en ru
  • USD128069S - Design fob a belting : en
  • GB537635A - Improvements in or relating to sound recording apparatus : en
  • DE707749C - Drive device for sewing machines : de en
  • SU60419A2 - Method for producing boron carbide : en ru
  • DE707767C - Suction fan : de en
  • GB537612A - Improvements in or relating to traffic lights : en
  • GB537649A - Improvements in spinners for airscrews : en
  • USD128070S - Design for a vest ob similar article : en
  • SU60363A1 - Crutkomer for shaped yarn with clip : en ru
  • SU60469A1 - Pulse Testing Device with Cathode Oscilloscope : en ru
  • US2247463A - Clutch shaft coupling : en
  • US2247641A - Electric chime : en
  • SU60312A1 - Device for potato sorting for the selection of damaged tubers : en ru
  • SU60474A1 - Direction finder : en ru
  • US2247912A - Manifolding device : en
  • SU60367A1 - The method of oxidation of copper and its alloys : en ru
  • US2247504A - Apparatus for preparing continuous filaments : en
  • CA397692A - Insecticide and fumigant : en fr
  • CA397683A - Electric translation circuit : en fr
  • US2247612A - Camp stove : en
  • US2247936A - Apparatus casing : en
  • DE707730C - Multi-ducted blow head for fine-grained goods, sand, cement, etc. like : de en
  • DE707794C - Equipment on grinding shoes for current collection on overhead lines : de en
  • DE707859C - A blackout curtain consisting of a paper web folded like a concertina : de en
  • GB537742A - Improvements in and relating to the production of staple fibre : en
  • CA397625A - Chlorination process : en fr
  • CH215373A - Heating appliance fitted with a device for supplying its home with additional air. : en fr
  • US2247593A - Device for exhibiting and shipping prospectuses and like printed matter, samples, and the like : en
  • US2247773A - Valve : en
  • SU60460A1 - Fabric for woolen cloth spinning : en ru
  • SU60506A1 - The method of cleaning oil in using mineral adsorbents : en ru
  • SU60323A1 - Trailer biaxal trolley : en ru
  • US2247604A - Putty applicator : en
  • GB537654A - Improvements in sealing washers : en
  • PL29832B1 - : en pl
  • US2247808A - Surge indicator : en
  • PL29811B1 - Device for visual comparison of the amplitudes of two signals of unequal duration : en pl
  • US2247668A - Vehicle : en
  • US2247839A - Means for damping torsional vibrations in transmission apparatus : en
  • SU60238A1 - Suction pump : en ru
  • SU60331A1 - Starry Sky Study Guide : en ru
  • DE707823C - Circuit arrangement for measuring the phase angle between alternating voltages of the same frequency : de en
  • GB537677A - Improvements in or relating to photographic cameras : en
  • GB537763A - Method of and apparatus for separating the stalks of abaca and other plants into individual leaf sheaths : en
  • DE707810C - Metal pipe and extrusion press with a press pot that is firmly displaced in every direction despite the possibility of expansion : de en
  • USD127966S - Design fok a game device : en
  • USD127995S - Design for a photographic camera : en
  • GB537661A - Improvements in or connected with electric lamp holders : en
  • CA397673A - Ferro-alloy production : en fr
  • CH215592A - Process for the production of an indigoid vat dye. : de en
  • AU113329B2 - Improvements in or relating to regulator devices for adjustable blade propellers : en
  • US2247503A - Padded arm : en
  • USD128003S - Sight opening plate for carpet sweepers : en
  • CH215594A - Process for the preparation of a resinous condensation product. : de en
  • GB537730A - Improvements in or relating to voltage regulators for lighting systems : en
  • US2247395A - Investment : en
  • US2247809A - Synchronizing apparatus : en
  • DE707798C - X-ray tubes with a translationally movable anode : de en
  • US2247538A - Dead-end filter circuit : en
  • US2247666A - Directional antenna system : en
  • USD128048S - Design for a stuffed toy : en
  • GB537615A - Improved grease composition and method for making the same : en
  • SU60389A1 - Sensitometer : en ru
  • BE441432A - : en
  • US2247886A - Building structure : en
  • DE707723C - Tone air flap storage for harmonicas : de en
  • GB537625A - Improvements in or relating to packing heads for wells : en
  • CA397589A - Electric discharge device system : en fr
  • BE441437A - : en
  • GB537685A - Improved photographic apparatus for producing line-justified copies of documents : en
  • DE707664C - Method for holding deposits in porous molds : de en
  • CH215492A - Arrangement on charcoal collectors to connect the carbon lamellas with the winding ends. : de en
  • US2247831A - Waterproof hosiery protector : en
  • USD127968S - Design foe a sweater : en
  • USD127998S - Design for a dinner : en
  • USD128041S - Hand grip for a lawn mower handle : en
  • GB537636A - Improvements relating to joint boxes for connecting and disconnecting electric cables : en
  • SU60347A1 - Training floor roid flooring device : en ru
  • SU60459A1 - Steam chamber for steaming columns : en ru
  • GB537637A - Means for attaching spectacle lenses to gas masks : en
  • DE707848C - Binder for stuff printing : de en
  • US2247621A - Lock mechanism : en
  • SU60283A1 - Hammer Heating Device : en ru
  • USD128052S - Textile fabric or similar article : en
  • DE707782C - Process for opening up dried vegetables : de en
  • DE707761C - Magnet arrangement for an electrical voltage regulator : de en
  • GB537737A - An improved belt shifting appliance : en
  • SU60418A1 - Method of tanning leather : en ru
  • US2247874A - Clothes wringer device : en
  • US2247462A - Milling and copying machine : en
  • US2247631A - Fence post clip : en
  • US2247856A - Oil burner : en
  • CH215354A - Combustion chamber dividers. : de en
  • CH215510A - Circuit with an amplifier tube. : de en
  • SU60465A1 - Device for drilling borehole : en ru
  • DE707831C - Intermediate gears, especially for commercial vehicles : de en
  • SU60409A1 - The method of obtaining the combined fertilizer : en ru
  • US2247704A - Fuse construction : en
  • US2247754A - Electric contact : en
  • PL29795B1 - : en pl
  • DE707828C - Turning device for internal combustion engines : de en
  • US2247775A - Amplifier power supply : en
  • USD128051S - Design for a safety paper : en
  • US2247498A - Method for reeving lines : en
  • US2247985A - Control gear for motor vehicles with four wheel steering arrangement : en
  • US2247615A - Woven fabric : en
  • US2247675A - Baked bread loaf handling equipment : en
  • US2247850A - Refrigeration method and apparatus : en
  • SU60308A1 - Apparatus for making molded articles of paper pulp : en ru
  • SU60333A1 - Method of powering portable electric lamps : en ru
  • US2247479A - Honing machine : en
  • GB537606A - Improvements in sealing devices for bearings : en
  • US2247885A - Door : en
  • GB537626A - Improvements in radio direction finders : en
  • USD127994S - Overshoe or similar waterproof article : en
  • GB537752A - An improved permanent brake magnet : en
  • CH215509A - Pendulum current chopper. : de en
  • CH215543A - Single axle drive for rail vehicles with a gear mounted on a tube surrounding the drive axle. : de en
  • CH215558A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • US2247376A - Refractory brick process : en
  • SU60505A1 - Electric meter but type resistance meter : en ru
  • CA397556A - Windshield ice preventing device : en fr
  • CA397561A - Hammer mill : en fr
  • SU60375A1 - Method for preventing coal spontaneous combustion in mined-out areas of the upper horizons of mine workings : en ru
  • DE707863C - Tractors, especially for agricultural purposes : de en
  • CA397629A - Chemical product : en fr
  • DE707864C - Device for pickling sheet metal or wire spools : de en
  • US2247925A - Gas mask and other clothing : en
  • US2247747A - Turntable driven recording mechanism : en
  • US2247784A - Garment : en
  • CA397578A - Cooling unit control : en fr
  • CA397646A - Railway interlocking system : en fr
  • US2247817A - Centrifugal pump : en
  • SU60531A1 - Electromagnetic Separator : en ru
  • US2247516A - Sectional mattress : en
  • USD128018S - Design for a lamp head : en
  • CH215561A - Process for preparing the 2,5-dioxyvaleryl-B-alanine ethyl ester. : de en
  • SU60267A1 - The method of obtaining 1-nitro-anthraquinone-2-carboxylic acid : en ru
  • SU60325A1 - Method for producing dioxivolantrone by reducing dioxivolantrone in sulfuric acid : en ru
  • US2248037A - Cooking apparatus : en
  • USD128027S - Fmij-i e. h. heinemann etal attack bomber airplane : en
  • CA397606A - Vinyl acetate stabilization : en fr
  • AU109440A - Improvements in and relating to apparatus for applying pneumatic pressure : en
  • CA397552A - Deep-fat frying machine : en fr
  • SU60548A1 - The method of preparation of wet fuel : en ru
  • US2247434A - Governor apparatus : en
  • US2247907A - Record-card controlled printing mechanism : en
  • CH215556A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • CA397568A - Perpetual calendar : en fr
  • CA397595A - Moulding powder : en fr
  • US2247635A - Dart game : en
  • USD128058S - Head for a shipping container : en
  • DE707685C - Device for raising and lowering the shafts or healds on looms : de en
  • DE707837C - Holding device for spinning cakes or similar wraps to be pulled off overhead : de en
  • CA397687A - Hydraulic system control device : en fr
  • CH215587A - Process for the preparation of a monoazo dye. : de en
  • CA397611A - Insecticidal and fungicidal composition : en fr
  • DE707722C - Process for the production of dark colored protective coatings on magnesium and magnesium alloys : de en
  • CH215585A - Process for the preparation of a monoazo dye. : de en
  • PL29801B1 - A method of increasing artificial radioactivity by neutron bombardment : en pl
  • US2247968A - Artificial tooth : en
  • US2248005A - Automatic coupling device : en
  • SU60405A1 - Method for producing superphosphate : en ru
  • DE707808C - Adjustable cylinder ring valve to close off pipelines opening into the open, especially bottom drains : de en
  • US2247957A - Machine and method for forming bristles : en
  • AU204740A - Improvements in loading appliances associated with motor vehicles trailers, andthe like : en
  • US2247468A - Automatic attenuation circuit : en
  • US2248008A - Ski with antislip means : en
  • CA397615A - Tape dispenser and cutter : en fr
  • CH215480A - Fuel nozzle for injection internal combustion engines. : de en
  • AU270140A - Improvements in and relating to rotary washing machines : en
  • BE441466A - : en
  • SU60233A1 - Device for riveting pipes and similar hollow bodies : en ru
  • USD128043S - Casing for a juice extractor or the like : en
  • DE707763C - Electric valve arrester for discharging overvoltages : de en
  • DE707843C - Liquid measuring and dispensing system : de en
  • US2247500A - Screw driver for screw sticks : en
  • GB537692A - Improvements in or relating to portable drilling machines for use in coal mines, quarries, and the like : en
  • GB537714A - Annular member of channel-shape cross section, and method of manufacturing same : en
  • CH215463A - Hydraulically driven dressing device. : de en
  • SU60537A1 - Method for continuous filtration of liquids : en ru
  • DK58812C - Hair remover. : da en
  • SU60453A1 - Cutter : en ru
  • US2247414A - Automatic thermostatic switch : en
  • DE707710C - Process for the decomposition of hydrocarbon oils using fluorine-containing hydrocarbon compounds : de en
  • GB537659A - Improvements in and relating to machines for delivering measured quantities of smalluniformly-shaped articles such as tablets, pills and the like : en
  • US2247377A - Oil filter block composition : en
  • US2247486A - Shuttlecock : en
  • US2247494A - Flame hardening apparatus : en
  • US2248035A - Process of nitrosating aromatic alkyl ketones : en
  • CH215593A - Process for the preparation of a resinous condensation product. : de en
  • DK58801C - Apparatus for Setting Up and Tightening as well as Dismantling of Fence Wire. : da en
  • CA397711A - Paper stock delivering apparatus : en fr
  • CH215417A - Image presentation apparatus and method of making the same. : de en
  • US2247811A - Time switch : en
  • PL29797B1 - H. A. Brassert & Co, Berlin-Charlottentrarg CAO-j f : en pl
  • US2247586A - Investment composition : en
  • SU60240A1 - Single band brake : en ru
  • SU60400A1 - Duplex telephone amplifier : en ru
  • US2247923A - Rubber bonded to artificial silk : en
  • US2247981A - Method of forming lock washers : en
  • US2247364A - Alkyl ethers of duro-hydroquinone and process for producing the same : en
  • CH215601A - Arrangement with a magnetron tube. : de en
  • CA397697A - Flexible shaft coupling : en fr
  • CH215443A - Method for scanning sound carriers in magnetic sound machines. : de en
  • SU60430A1 - Spinning wing aircraft : en ru
  • US2247734A - Container safety device : en
  • SU60403A2 - Device for controlling the operation of transmitters : en ru
  • SU60525A1 - Device for solving a system of differential equations : en ru
  • US2247917A - Accelerator : en
  • DE707799C - Boiler system arranged in a boiler room under overpressure : de en
  • SU60381A1 - Apparatus for summing indications of inductive transmitters of an AC bridge type with a moving core : en ru
  • SU60413A1 - The method of concreting shafts : en ru
  • DE707700C - Process for the production of flake starch : de en
  • US2247841A - Voltage control device : en
  • US2247988A - Automatic filtering press : en
  • US2247536A - Apparatus for forming seamless milk can covers : en
  • US2247729A - Combination cable tool and wire line rotary core barrel : en
  • USD128017S - Design for a lamp head : en
  • CA397579A - Coated abrasive : en fr
  • DE707725C - Process for the production of raw material : de en
  • CH215571A - Process for the preparation of a mixture of sodium salts of acylated aminomethanesulfonic acids. : de en
  • US2247803A - Ironer : en
  • GB537701A - Improvements in polymerisation processes : en
  • DE707738C - Process for the production of a coil insulation for electrical machines and apparatus : de en
  • SU60440A1 - Machine for stringing bagels on the cord : en ru
  • USD128080S - Design for a dress : en
  • US2247562A - Thruster : en
  • DE707744C - Fuehlhebelmessgeraet, especially dial gauge : de en
  • DE707805C - Device for the automatic control of the return flow on pipe return flow guns with fluid brake : de en
  • SU60239A1 - A device for washing glasses using a periodically rotating table for feeding glasses to a washing machine located near the table : en ru
  • US2247466A - Sheet feeding apparatus : en
  • PL29813B1 - : en pl
  • SU60450A1 - Cutter with a gear roller mounted on its front face for crushing chips : en ru
  • DE707232C - Device for the production of glass bands or threads : de en
  • SU60315A1 - Instrument for determining the molding properties of fine ceramic materials : en ru
  • CH215357A - Support device for radiator. : en fr
  • CH215458A - Device on machine tools, in particular milling machines, for switching movable parts. : de en
  • DE707619C - A lubrication press for greases and viscous oils operated as an abutment by moving the spray tube when it is placed on the lubrication point : de en
  • GB537695A - Improvements in or relating to cathode ray tubes : en
  • US2247688A - Method of making electron discharge devices : en
  • GB537672A - Improvements in or relating to the production of unsaturated aliphatic aldehydes : en
  • SU60386A1 - Advanced Optics Guide : en ru
  • SU60482A1 - Balance modulator : en ru
  • US2247607A - Leaf lifter : en
  • US2247627A - Piezoelectric crystal holder : en
  • CH215363A - Bath drain with odor trap. : de en
  • CH215440A - Counter arrangement. : de en
  • CA397569A - Pot or pan cover : en fr
  • US2247723A - Tree trimmer : en
  • US2247345A - Road grader : en
  • USD128036S - Ash tray for cigarettes and the like : en
  • DE707856C - Process for cooling air from its decomposition by liquefaction and rectification : de en
  • US2247543A - Rubberized spring construction : en
  • PL29830B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven Electric High Pressure Tubular Discharge Lamp, Containing Metal Evaporating : en pl
  • SU60337A1 - Compensation Measuring Device : en ru
  • US2247783A - Machine for the production of alternating energy from direct current sources : en
  • USD128068S - Design fob a combined stand and container for perfumery or the like : en
  • US2247878A - Method of producing engraved printed sheets : en
  • GB537611A - Improvements in or relating to apparatus for measuring relative movements or deflections of associated or interconnected parts : en
  • US2247686A - Cotton picker : en
  • PL29807B1 - Correcting device for automatic corrections when determining the bearing : en pl
  • SU60256A1 - The method of obtaining blue pigments by calcining at a temperature not higher than 850 ° a mixture of barium sulphate and manganese compounds in the presence of barium compounds : en ru
  • SU60300A1 - Device for signaling deterioration of cable insulation in non-grounded systems : en ru
  • CA397549A - Dual wheel vehicle : en fr
  • CA397691A - Petroleum suspension breaking process : en fr
  • GB537750A - Improvements in or relating to tobacco pipes and to holders for cigarettes and cigars : en
  • USD127991S - Golf overshoe or similar article : en
  • DE707785C - Process for stabilizing photographic emulsions : de en
  • SU60448A1 - Hammer crusher : en ru
  • US2247846A - Hanging means for awnings and the like : en
  • DE707677C - Seamless and wrinkle-free body with a matted fiber base : de en
  • GB537617A - Improvements in or relating to cartons and like containers : en
  • SU60445A1 - Method of casting rolled and other rolls with hard shell and soft core : en ru
  • CH215471A - Thin-walled pipe with coupling parts at the ends. : de en
  • CH215479A - Device for the hydraulic adjustment of the injection timing in internal combustion engines. : de en
  • CH215530A - Process for the electrical transmission of a multicolored image. : de en
  • CH215402A - Process for the preparation of an o-oxyazo dye. : de en
  • US2247472A - Vacuum cleaner : en
  • US2247610A - Brake mechanism : en
  • CH215387A - Device for the treatment of stockings drawn on moving molds in molding machines. : de en
  • USD127999S - Nathanson woven textile fabric : en
  • USRE21847E - Dust deflector : en
  • SU60447A1 - Cigarette machine : en ru
  • CH215478A - Device for adjusting the air intake in a gasifier supplying a combustion engine. : en fr
  • PL29831B1 - Device with gas-filled electric discharge lamp : en pl
  • US2247531A - Calculator : en
  • US2247805A - Light or exposure meter : en
  • US2247916A - Machine for interpreting and printing perforated records : en
  • US2247967A - Pattern reversing mechanism for electromechanical knitting machines : en
  • SU60495A1 - Machine for making staple tapes from continuous fiber bundles : en ru
  • SU60272A1 - Method of preventing the formation of white spots or points on barite photographic paper : en ru
  • US2247469A - Vibratory motor : en
  • CH215361A - Paper briquette press. : de en
  • CA397675A - Wave signal amplifier : en fr
  • US2247695A - Packaging of baked bread loaves : en
  • DE707676C - Conveyor device for molds for chocolate bodies : de en
  • US2247996A - Slug casting machine : en
  • CA397657A - Colour reproduction : en fr
  • CH215462A - Press roll for dressing profiled grinding wheels. : de en
  • CA397563A - Perforated paper container : en fr
  • CH215575A - Process for the preparation of a monoazo dye. : de en
  • DE707825C - Photoelectric control device : de en
  • GB537770A - Conductive paper : en
  • US2247352A - Expulsion-type excess-voltage protective tube : en
  • GB537749A - Improvements in or relating to shaving devices : en
  • PL29788B1 - Method for the production of calcium cyanamide. Patent dependent on Patent No. 25,536 : en pl
  • US2247751A - Gun game : en
  • US2247782A - Anchoring means for machines embodying walking traction mechanism : en
  • US2247798A - Shaver : en
  • US2247806A - Fishhook : en
  • CH215351A - Solid fuel heating stove. : de en
  • CH215528A - Arrangement for remote tuning of a wireless device using a moving coil system. : de en
  • GB537680A - Process for the manufacture of polystyrene : en
  • GB537639A - Improvements in circuits for operating the indicating devices of electrical safety devices : en
  • US2247682A - Cotton picker : en
  • SU60264A1 - Device for automatic tuning of radio receivers using an electric motor : en ru
  • CA397545A - Ceramic conduit : en fr
  • SU60492A1 - Hook for hemp stitching : en ru
  • US2247476A - Motor fuel : en
  • USD128047S - Barring or similar article op manufacture : en
  • USD127964S - Design for a glider : en
  • DE707802C - Device for locking the presser foot of sewing machines in a raised position : de en
  • USD127987S - Design for a bsach slipper : en
  • SU60251A1 - Method for separating styrene from liquid coal and oil pyrolysis products : en ru
  • US2247405A - Control apparatus : en
  • US2247651A - Phonograph : en
  • US2247812A - Spool for cinematograph films : en
  • US2247905A - Apparatus for preparing statistical records : en
  • US2247489A - Self-starting synchronous motor : en
  • USD128025S - Design for a radio antenna : en
  • US2247614A - Building block : en
  • US2248018A - 4-aryl-piperidine-ketones and a process of preparing them : en
  • US2247864A - Stock feeding mechanism for swaging machines : en
  • US2247921A - Capillary active compounds and process of preparing them : en
  • CA397651A - Suction cleaner : en fr
  • CH215419A - Ski. : de en
  • GB537746A - Improvements in and relating to the preparation of can body blanks : en
  • DE707834C - Drawing ruler : de en
  • US2247567A - Manicuring instrument : en
  • US2247653A - Method of testing eyes : en
  • DE707696C - Snap lock for connecting a hollow strip to a support plate or wall : de en
  • DE707804C - Disengageable device for the automatic steering of the steering wheels of multi-axle trailer vehicles : de en
  • DE707824C - Gas-filled electric incandescent lamp with an operating pressure exceeding eight atmospheres : de en
  • DE707715C - Congress hall : de en
  • CA397636A - Wire coiling apparatus : en fr
  • CH215383A - Sewing machine. : de en
  • AU113327B2 - An instrument for testing telephone lines andthe like : en
  • CA397695A - Metal tube manufacture : en fr
  • US2247423A - Elastic fluid turbine diaphragm supporting and centering arrangement : en
  • US2247477A - Signaling system : en
  • DE707665C - Luminescent glass tubes : de en
  • GB537755A - Hair-dresser's implement : en
  • US2247551A - Support for connection cords of electric irons : en
  • USD128075S - Design for a dispensing cap for containers : en
  • USD128059S - Design for a building block : en
  • CA397632A - Chromium iron and steel : en fr
  • US2247443A - Machine for use in the manufacture of shoes : en
  • US2247693A - Machine for fractionating and slicing bread loaves : en
  • US2247926A - Treatment of hydrocarbons : en
  • CA397662A - Chimney for liquid fuel burners : en fr
  • DE707817C - Device for controlling multiple circuits of electrical machines, devices and the like. : de en
  • GB537666A - Improvements in or relating to screens of cinematograph theatres : en
  • GB537687A - Improvements relating to fuel vaporisers for use with combustion engines : en
  • DE707688C - Suspension device for the upper rollers of four-roller frames : de en
  • DE657425C - Device for generating an alternating voltage with superimposed direct voltage by means of valves, in particular arc valves : de en
  • US2248003A - Mercury switch : en
  • CA397660A - Ventilator : en fr
  • GB537691A - Improvements in or relating to apparatus for electrically etching metallic articles : en
  • DE707643C - Automatic control for aircraft : de en
  • US2247752A - Process for halogenation of phthalocyanines : en
  • US2247849A - Heater : en
  • US2247895A - Perforating machine : en
  • US2247625A - Production of inert gas : en
  • US2247749A - Stabilizing device for terrestrial vehicles : en
  • US2247843A - Conduit coupling : en
  • US2248019A - Process of manufacture of stilboestrol and related compounds : en
  • US2247524A - Electronic microscope : en
  • US2247683A - Boat and propelling mechanism therefor : en
  • CH215577A - Process for the preparation of a monoazo dye. : de en
  • DE707801C - Method for soldering bases or covers in housings, especially for electrical capacitors : de en
  • CA397570A - Eye lotion tablet : en fr
  • CA397665A - Travelling crane : en fr
  • CH215562A - Process for the preparation of a heavy metal compound from a thiuram disulfide. : de en
  • USD128031S - Design for a heater cabinet : en
  • USRE21849E - Refrigerator fbeight car : en
  • US2247657A - Game apparatus : en
  • USD127977S - Design fob a posture chair : en
  • US2247637A - Filing device : en
  • US2247529A - Production from continuous filaments of yarns exhibiting the characteristics of staple fiber yarns : en
  • US2247569A - Process of hardening and simultaneously increasing the sensitivity of photographic silver halide emulsions : en
  • US2247689A - Liquid fuel burning apparatus : en
  • US2247707A - Kitchen utility device : en
  • GB537644A - Improvements relating to fastening devices : en
  • DE707717C - Graduation for micrometric measuring devices : de en
  • CH215475A - Compressed air generation system for use in the metallurgical industry. : de en
  • CH215572A - Process for the preparation of a mixture of sodium salts of acylated aminomethanesulfonic acids. : de en
  • US2247790A - Method of forming chloroacrylate polymers : en
  • AU261340A - Improvements in or relating to carpet sweepers : en
  • AU113503B2 - Process forthe preparation of pulp suitable forthe manufacture of paper, board andthe like : en
  • US2247674A - Mechanism for subdividing sliced baked bread loaves : en
  • SU60514A1 - A device for charging on the light of cassettes of film cameras such as "Fad" : en ru
  • US2247771A - Bridge lamp and a diffusing bowl therefor : en
  • USD128057S - Design for a portable grandstand frame : en
  • US2247403A - Aralkyl polynuclear phenol : en
  • USD128034S - Design for a lamp shade : en
  • US2247349A - Bright copy hectograph duplication : en
  • US2247372A - Napkin holder : en
  • DE707699C - Pressure device for hydraulic brakes of motor vehicles : de en
  • DE707793C - Multi-section evaporator with low juice level : de en
  • DE707839C - Flow turbine : de en
  • US2247382A - Sewing machine feed mechanism : en
  • US2248031A - Abrasive article and method of manufacturing the same : en
  • SU60278A1 - Device for welding ribs to cylinders of air cooled engines : en ru
  • US2247368A - Brake control for automotive vehicles : en
  • US2247419A - Monoethers of dimethylol urea and process for making same : en
  • CA397596A - Fibreboard manufacture : en fr
  • CA397620A - Mortar-bonded glass structure : en fr
  • US2247502A - Honing machine : en
  • SU60261A1 - Device for monitoring radio transmitter radiation : en ru
  • USD127997S - Design for. a table fork : en
  • CA397576A - Freight car brake : en fr
  • CH215433A - Theodolite. : de en
  • CH215517A - Toothpaste. : en fr
  • CH215553A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • SU60387A1 - Copy machine : en ru
  • SU60435A1 - Method of painting lime construction compounds : en ru
  • US2247558A - Method of inlaying : en
  • US2247875A - Diagnostic method : en
  • DE707816C - Method for calibrating microphones, in particular condenser microphones, with downstream amplifiers : de en
  • CH215557A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • CH215516A - Process for the production of footrests, device for carrying out the process and footrest produced by the process. : de en
  • SU60433A1 - Method of continuous coagulation of latex : en ru
  • GB537764A - Improvements in rotary cutting tools such as circular saws : en
  • SU60428A1 - Coating machine using a reel with a sponge cloth : en ru
  • US2247679A - Liquid fuel burning apparatus : en
  • US2248014A - Tension regulator : en
  • USD128085S - Design for a hair wave protector : en
  • DE707867C - Process for the disinfection of infected natural intestines : de en
  • CA397653A - Suction cleaner : en fr
  • DE707806C - Detector system with several detectors located in a closed-circuit monitored loop : de en
  • DE707707C - Speaker arrangement : de en
  • CH215394A - Method for pouring butter into containers in which they are stored BEZW. to be sold. : de en
  • PL29804B1 - Radio Corporation of America, New York, N.Y. Electric discharge lamp : en pl
  • US2247933A - Panel mounting : en
  • PL29821B3 - Braking device, especially for road motor vehicles : en pl
  • CA397550A - Match book : en fr
  • GB537621A - Method and means for steering multi-wheel motor vehicles or tractors : en
  • CH215534A - Two-part tube with a wrapped tube bag made of plastic and sealed by a metal insert. : de en
  • CH215582A - Process for the preparation of a monoazo dye. : de en
  • CH215603A - Device for synchronous transmission of rotary movements, pointer positions or the like by means of rotating field systems. : de en
  • SU60374A1 - The method of excavation inter-chamber selikov : en ru
  • US2247596A - Apparatus for the electrical separation of comminuted materials : en
  • CH215484A - Gas turbine plant. : de en
  • CA397698A - Acetylenic carbinol : en fr
  • CH215348A - Method and apparatus for making cold-wound round metal bars. : de en
  • SU60339A1 - Apparatus for producing flashing illumination using a high voltage gas luminaire : en ru
  • US2247937A - Latch structure : en
  • CH215541A - Hydraulic braking systems, in particular for rail vehicles. : de en
  • US2247880A - Iodine organic compounds for use as X-ray contrast compositions : en
  • PL29816B1 - Feed water heater for steam boilers, especially steam boilers, and a steam engine with such a heater : en pl
  • US2247661A - Shaving device : en
  • GB537697A - Improvements relating to overload slipping clutches for use with time-lag devices : en
  • CA397548A - Electric lighting fixture : en fr
  • CA397635A - Moulten iron and steel processing and addition agent : en fr
  • US2247422A - Resinous condensation products and the production thereof : en
  • US2247869A - Heater element for cathodes used in radio tubes and method of making the same : en
  • SU60301A1 - Electro-pneumatic percussion instrument : en ru
  • SU60335A1 - Tube fuse : en ru
  • DE707604C - Clamp for attaching one or more lights to a flexible metal hose : de en
  • US2247473A - Sheet feeding apparatus : en
  • US2247501A - Golf practice scoring device : en
  • US2247602A - Means for orientating seamed fruit : en
  • US2247616A - Awning : en
  • CA397619A - Manganese electro-deposition : en fr
  • US2247778A - Electric socket : en
  • US2247584A - Process of recovering chemical from waste pulping liquor : en
  • CH215447A - Waterproof watch box. : en fr
  • US2247955A - Elevator control system : en
  • USD128103S - Design for a dress ensemble : en
  • GB537723A - An altitude control device for self-controlled or remote-controlled aeroplanes : en
  • DE707727C - Cassette for cinema cameras : de en
  • GB537645A - Improvements in or relating to the preparation of crude rubber : en
  • SU60294A1 - Apparatus for stacking rolled sheets using a swing arm to remove sheets from the roller table : en ru
  • CH215400A - Process for the preparation of p-amino-benzenesulfo-thiocarbamide. : de en
  • DE707709C - AC biased AC converter : de en
  • US2247954A - Adjustable window valance : en
  • US2247746A - Cabinet for phonographs : en
  • US2247780A - Floor laying apparatus : en
  • US2247646A - Terminal block : en
  • DK58811C - Procedure and Facilitation for the Decomposition of Fertile or Liquid, Fatty or Oily Masses. : da en
  • SU60501A1 - Instrument for measuring deformations and changes in the distance between two bodies : en ru
  • US2247654A - Pumping apparatus : en
  • USD128020S - Design fob a lamp head : en
  • PL29789B1 - : en pl
  • USD128012S - Design for a lamp head : en
  • US2247788A - Dam forming device : en
  • US2247792A - Operating mechanism : en
  • US2247814A - Power system : en
  • SU60410A1 - Apparatus for steam locomotive preparation for briquetting : en ru
  • DE707783C - Photographic camera with reflex finder chamber arranged above the receiving chamber : de en
  • PL29787B1 - : en pl
  • SU60493A1 - Machine for preliminary processing of divider straps before insertion into a carding machine : en ru
  • CA397712A - Bleachable straw half stuff and straw pulp : en fr
  • US2247591A - Dial illuminator for telephones : en
  • US2247914A - Machine for interpreting and printing perforated records : en
  • US2247566A - Fluid trap for storage tanks : en
  • US2247877A - Manufacture of sodium phenate : en
  • PL29802B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m. B. H., Berlin Connection system for a device for generating a current in the form of a saw tooth, especially for the magnetic deflection of cathode rays in oscillographic and television lamps : en pl
  • US2247572A - Dental investment composition : en
  • USD128039S - Christmas tree ornament or the like : en
  • SU60529A1 - Spring-piston manometer with forcibly rotated piston : en ru
  • SU60541A1 - The method of obtaining artificial fibers : en ru
  • SE101901C1 - : en
  • CA397571A - Coupling : en fr
  • SU60499A1 - Adaptation to multitrack looms of the Hattersley system for producing piece goods with a border : en ru
  • PL29798B1 - A method for winding the hose from the tape and an apparatus for carrying out the method : en pl
  • CH215455A - Method for supplying air into a furnace and device for carrying out the method. : de en
  • GB537736A - Improvements in and relating to hollow mouldable articles : en
  • US2247475A - Modified lubricating oil : en
  • US2247920A - Transmission : en
  • US2247984A - Packing for rotary valves in internal combustion engines : en
  • US2248027A - Hanger for duplicator stencils and the like : en
  • US2247535A - Process for the treatment of hydrocarbon oil : en
  • USD128037S - Design for a reflecting road signal : en
  • AU349740A - Improvements in wringing apparatus for laundries andthe like : en
  • CA397597A - Alkali metal manufacture : en fr
  • CA397572A - Threaded tubular article : en fr
  • CH215538A - Device for the torsionally flexible mounting of drive motors on motor vehicles. : de en
  • US2247770A - Heat treating apparatus : en
  • PL29782B1 - Radio Corporation of America, New York, n. Y. Very high frequency vibration circuit : en pl
  • PL29796B1 - Ringhoffer - Tatra- Werke A. G., Prague-Smichov Windowed motor vehicle with rear engine : en pl
  • CH215420A - Ski edge. : de en
  • US2247514A - Center vent double flow coil tower : en
  • US2247634A - Window construction : en
  • SU60458A1 - Steam mixer of concentrically arranged pipes with a central perforated pipe for steam supply : en ru
  • US2247397A - Loose-leaf binder : en
  • US2247962A - Vehicle : en
  • USD128061S - Design for a coat : en
  • US2247482A - Halogenated acetal : en
  • CA397668A - Pipe connection : en fr
  • SU60441A1 - Sausage stuffing and similar products : en ru
  • DE707734C - Circuit arrangement for pneumatic tube systems with adjustment of group and station switches caused by the bushes : de en
  • PL29806B1 - : en pl
  • US2247455A - Time controlled setting device : en
  • US2247768A - Firing equipment for the combustion of liquid fuels : en
  • DE707869C - Articulated coupling for vehicles, especially for electric trolleybuses : de en
  • GB537696A - Improvements in and relating to colour-forming development and colour photographic elements : en
  • DE707702C - Device for lifting and inserting coke oven doors : de en
  • GB537768A - Improvements in screwthreading machines : en
  • PL29853B1 - : en pl
  • DE707756C - Production of colloidal sulfur : de en
  • DE707815C - Cooling device for the furnace head of in particular Siemens Martinoefen : de en
  • US2247367A - Tractor implement : en
  • US2247550A - Crankshaft chuck : en
  • US2247853A - Baseball game : en
  • US2247467A - Process of treating clays : en
  • USD128026S - Design for a therapeutic lamp : en
  • GB537678A - Improvements in electric circuit breakers : en
  • US2247571A - Dental investment composition : en
  • USD128073S - Design fob a snap-on button or similar article : en
  • GB537638A - Improvements in or relating to darts : en
  • CH215388A - Device for the manufacture of hydrophilic cotton filters. : en fr
  • US2247358A - Filler former for cigar machines : en
  • US2247398A - Banding machine : en
  • US2247400A - Method of preparing a high melting, stable rosin product and the product made thereby : en
  • US2247426A - Tool for inserting or removing corporation stops : en
  • US2247793A - Electric valve converting system : en
  • CH215597A - Securing for head screws. : de en
  • BE441460A - : en
  • SU60235A1 - Belt Material Handler for feeding materials onto the main swing conveyor using the latter for driving the material handler : en ru
  • SU60316A1 - Steam water-tube sectional boiler of low power : en ru
  • GB537731A - Modulating systems for electric wave signalling : en
  • GB537614A - Improvements in or relating to automatic switches as used in telephone or like systems : en
  • DK58813C - Radiator. : da en
  • CA397618A - Modulated amplifier distortion reducing system : en fr
  • CH215452A - An object that consists of a hard metal body and a base and can be used as an implement or tool. : de en
  • PL29825B1 - Aktiengesellschaft Brown, Boveri & Oie, Baden Metal air heater : en pl
  • US2247756A - Process for the manufacture of alcohols and ketones : en
  • US2247510A - Process for the manufacture of building blocks : en
  • US2247929A - Windmill : en
  • CH215507A - Electron multiplier. : de en
  • US2247446A - Grain cleaner : en
  • SU60466A1 - Device to protect receivers of electrical energy from overload and short circuit : en ru
  • SU60232A1 - Plug for pipe plug when filled with sand at the bend : en ru
  • US2247807A - Mineral oil composition : en
  • CA397701A - Railway traffic controlling apparatus : en fr
  • CH215464A - Device for sharpening razor blades. : en fr
  • AU297240A - Improvement in or relating tothe sealing of paper or paperboard containers : en
  • CH215504A - Electrode system with asymmetrical conductivity. : de en
  • DE707862C - Flight monitoring device, especially for high-speed aircraft : de en
  • CA397582A - Universal joint : en fr
  • CH215446A - Crown shaft for small watches. : de en
  • US2247701A - Fuse construction : en
  • PL29840B1 - : en pl
  • US2247613A - Garment hanger : en
  • SU60484A1 - Automatic direction finder with two non-rotating mutually perpendicular frames : en ru
  • CH215377A - Table. : de en
  • CH215551A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • DE707708C - Electromotive drive of movable stage equipment : de en
  • DE707813C - Process for the pressure extraction of coal, peat, bituminous slate and the like like : de en
  • AU116482B2 - Frequency modulated wave detector : en
  • CH215584A - Process for the preparation of a monoazo dye. : de en
  • CH215372A - Economizer device for solid fuel fireplaces. : en fr
  • CH215453A - An object that consists of a hard metal body and a base and can be used as an implement or tool. : de en
  • DK58810C - Procedure for Manufacturing Oils for Painting. : da en
  • CH215518A - Toothpaste : en fr
  • DK58807C - Electricity meters with anchor current supply, in particular DC meters. : da en
  • SU60281A1 - Method for tinting a barite layer for baritized papers : en ru
  • US2247537A - Apparatus for molding seamless hollow objects : en
  • USD127982S - Design fob. a sachet : en
  • SU60362A1 - Automatic brake for gramophone : en ru
  • SU60513A1 - Drum sieve : en ru
  • DE707739C - Winding attachment for electrical machines with open slots closed by wedges : de en
  • SU60354A1 - Device for degassing soil dry degassing substance : en ru
  • SU60517A1 - Tube generator : en ru
  • GB537622A - Improvements in or relating to the construction of boxes : en
  • CH215370A - Kitchen stove, comprising a gasifier with wood gas. : en fr
  • DE707760C - Circuit arrangement for the different control of the gain of two or more different frequency bands : de en
  • DE707796C - Centrifugal switch, the resilient contacts of which are controlled by a sleeve that can be moved axially on the shaft : de en
  • DE707732C - Liquid-tight structures built up in layers, such as containers, pipelines, floors : de en
  • SU60429A1 - Mortise lock with bolt : en ru
  • DE707851C - Process for the pressure hydrogenation of coal-oil mixtures : de en
  • US2247420A - Means for joining pipe : en
  • US2247553A - Concrete testing apparatus : en
  • US2247522A - Tack button : en
  • US2247639A - Ophthalmic mounting : en
  • USD127993S - Overshoe or similar waterproof article : en
  • DE707736C - Multi-housing ship steam turbine system : de en
  • GB537693A - Improvements relating to the demagnetising and also the magnetising of articles : en
  • DE707764C - Wattmetric system for electrical measuring devices or relays : de en
  • US2247353A - Method of sizing textiles : en
  • SU60479A1 - The method of obtaining metallic barium in vacuum devices : en ru
  • US2247739A - Long wire antenna arrangement : en
  • US2247644A - Vending machine : en
  • GB537665A - Improvements relating to steering wheels of automobiles and like vehicles : en
  • US2247540A - Method and means for transferring liquid or soft ink values : en
  • US2247659A - Phonographic apparatus : en
  • SU60305A1 - Instrument for measuring and recording the basic performance of a tractor unit : en ru
  • US2247736A - Refrigerator : en
  • US2247483A - Shoe treating apparatus : en
  • SU60348A1 - Adaptation to vaters to stop feeding when the thread breaks : en ru
  • GB537767A - Improvements in or relating to work holding tools, wrenches, and the like : en
  • IE17429L - Stoppers for bottles, etc. : en
  • SU60454A1 - Sprinkler Cap : en ru
  • US2247565A - Bridge for stringed musical instruments : en
  • IE16233L - Planographic printing : en
  • USRE21851E - Protective covering for gondola : en
  • US2247388A - Fluid cooling device : en
  • CH215410A - Method and device for producing a metallically clean surface on workpieces which are to be provided with a metallic coating. : de en
  • US2247394A - Terrestrial globe : en
  • CA397613A - Photographic silver recovery : en fr
  • SU60396A1 - Rhythm Investigator : en ru
  • US2247393A - Exhaust collector : en
  • US2247663A - Electroacoustical apparatus : en
  • US2247702A - Fuse construction : en
  • CH215451A - Process for the production of elements of the 2nd to 7th group of the periodic table. : de en
  • AU203740A - Dual purpose centre locating and scribing tool : en
  • AU59040A - An instrument for testing telephone lines andthe like : en
  • BE441571A - : en
  • SU60341A1 - Device for obtaining two different speeds of rotation of tape mechanisms in recording devices : en ru
  • BE441527A - : en
  • SU60245A1 - Electrolyzer for continuous production of iron cadmium sponge : en ru
  • CA397642A - Flexible fibreboard manufacture : en fr
  • PL29847B1 - Otto Hempelmann, midesheim F ^ Mfc A \ ^ Kitchen stove with top air supply : en pl
  • SU60425A1 - Method of making cermet hard alloys : en ru
  • US2247740A - Conversion of hydrocarbon oils : en
  • US2247879A - Sacking device : en
  • US2247997A - Finishing machine plate stop : en
  • CA397645A - Alkali metal formaldehyde sulphoxylate : en fr
  • US2247366A - Traveling case : en
  • US2247942A - Telemetric annunciator : en
  • US2247699A - Sliced loaf fractionating equipment : en
  • US2247409A - Ultraviolet instrument lamp : en
  • US2247712A - Outlet box for electrical installation : en
  • DE707814C - Spring winding mechanism for the plate holder trolley of stamping machines u. like : de en
  • CH215371A - Stove. : de en
  • CA397638A - Capstan block : en fr
  • CA397677A - Glass feeding apparatus for rolling machines : en fr
  • CH215450A - Watch. : en fr
  • DE707719C - Method and device for determining defects in weld seams of inaccessible hollow bodies, in particular pipes : de en
  • GB537663A - Improvements in or relating to apparatus for the remote control of a speed regulating governor : en
  • US2247823A - Process of making metal for castings : en
  • USD128040S - Combined toilet paper holder and ash tray : en
  • AU113343B2 - Improvements relating to automatic telephone systems : en
  • US2247939A - Directional signal : en
  • US2247519A - Method of and rack for storing lumber : en
  • US2247835A - Belt : en
  • US2247731A - Cabinet for housing sound-reproducing apparatus : en
  • US2247832A - Stocking : en
  • US2247511A - Signal generating system : en
  • PL29818B1 - A device that drives a spindle bench with a reciprocating movement in preparatory pre-cutting machines : en pl
  • PL29845B1 - : en pl
  • US2247449A - Compressor control : en
  • US2247881A - Ribbon winding spool : en
  • CA397689A - Machine tool : en fr
  • CH215512A - Electric oven. : de en
  • US2247619A - Toy excavating shovel : en
  • AU393440A - Improvements in and relating to knitting machines : en
  • USD128014S - Design foe a lamp head : en
  • CH215503A - Arrangement for commutating converters in two-way circuit. : de en
  • SU60286A1 - Method for producing artificial fiber rovings : en ru
  • US2247776A - Wire twisting device : en
  • USD128006S - Chest of drawers or similar article : en
  • US2247733A - Selector : en
  • US2247735A - Condensation products : en
  • US2247834A - Cracker dispenser : en
  • CA397546A - Reversible glove : en fr
  • CH215427A - Metal construction for building air raid cabins. : de en
  • CH215591A - Process for the production of an indigoid vat dye. : de en
  • CA397648A - Frequency band-pass selector system : en fr
  • GB537733A - Improvements in heat-exchange surfaces : en
  • CH215461A - Headstock for machine tools with a number of high-speed spindles. : de en
  • DE707750C - Device for making paper cigar bags o. : de en
  • CA397581A - Transmission synchronizer : en fr
  • CA397594A - Moulding powder : en fr
  • US2247862A - Operating mechanism : en
  • SU60226A1 - Scaffolding for walls : en ru
  • SU60452A1 - Device for hanging a loading platform to a crane lifting cable : en ru
  • US2247910A - Phthalic anhydride : en
  • USD127989S - Design foe a flashlight or similar article : en
  • CH215465A - Method for connecting rods and the like with at least one wire band and tool for twisting the ends of the wire band. : de en
  • CA397608A - Nitrile manufacture : en fr
  • SU60437A1 - Method of coagulation of hydrohort : en ru
  • CH215380A - Process for maintaining the original physical and coloring properties of regenerated cellulose. : de en
  • CH215374A - Coal waste collector. : en fr
  • CH215424A - Reverse barrel gun with wedge lock. : de en
  • CH215359A - Heating appliance. : en fr
  • CH215547A - Process for the preparation of a reaction product of chlorosulfonic acid. : de en
  • CH215531A - Device for displaying vibrations. : de en
  • SU60364A1 - Libra : en ru
  • SU60422A1 - Device for simultaneous feeding of a steam boiler and a water heater through a common water distribution valve : en ru
  • US2247465A - Dehydrogenation of hydrocarbons : en
  • US2247645A - Electric starting motor : en
  • US2248025A - Pigmented rubber hydrohalides : en
  • AU267540A - Process forthe preparation of pulp suitable forthe manufacture of paper, board andthe like : en
  • US2248028A - Treatment of wells : en
  • DE707666C - Process for the production of high molecular weight plastic materials : de en
  • CH215397A - Process for producing an asbestos-like, fibrous structure in the manufacture of artificial complex silicates. : de en
  • CA397658A - Convertible accounting machine : en fr
  • USD128078S - Design fob a dress : en
  • SU60438A1 - Method for making boron carbide abrasive articles : en ru
  • CA397688A - Hair curling device : en fr
  • US2247350A - Cathode ray apparatus : en
  • US2247384A - Protecting device for electric detonators : en
  • US2247526A - Frame and handle assemblage for mirrors, brushes, and other devices forming parts of toilet and dresser sets : en
  • US2247560A - Jar : en
  • CH215386A - Method for increasing the capillary activity of liquids. : de en
  • CH215364A - Method and device for the production of fibers from glass, slag or similar substances that are plastic in heat. : de en
  • CH215413A - Format trolleys on fiber board forming machines with endless sieves. : de en
  • CH215392A - Push button. : de en
  • US2248006A - Quantity indicator for liquids : en
  • CH215431A - Procedure for determining the location using a rotating radio beacon. : de en
  • CH215536A - Braking device for railcars with trailers. : de en
  • DE707795C - Device for changing the tuning or the coupling of electrical oscillation circuits : de en
  • AU113340B2 - Improvements in electric modulating arrangements comprising an electron multiplier : en
  • PL29836B1 - : en pl
  • SU60508A1 - Device for detecting defects in metal products by a magnetic method : en ru
  • CA397587A - X-ray tube : en fr
  • US2247454A - Pump seal : en
  • US2247838A - Air valve unit for pipe organs : en
  • US2248004A - Printing press and sheet-controlling mechanism therefor : en
  • USD128050S - Design for a christmas stocking : en
  • CH215466A - Tool subjected to shock and impact when cold. : de en
  • DE707675C - Device for setting and handling switching processes, in particular for controlling the registers of organs and similar instruments : de en
  • US2247691A - Machine for operating on shoes : en
  • CA397714A - Concrete reinforcement : en fr
  • CH215368A - Plant for wet and continuous carbonization of peat. : en fr
  • USD128079S - Design fob a dress : en
  • AU113336B2 - Improvements in and relating to knitting machines : en
  • CA397637A - Wire coiling apparatus : en fr
  • CH215567A - Process for the preparation of a new sulfonic acid. : de en
  • US2247772A - Phenol-formaldehyde resinous composition : en
  • CH215379A - Spinneret. : de en
  • PL29799B1 - A device for switching off the spindle feed for machine tools, especially for drilling machines : en pl
  • US2247901A - Batteryless flashlight : en
  • US2247355A - Method of making a compressed and densified product : en
  • US2247357A - Container cap : en
  • US2247491A - Transmission shifter mechanism : en
  • US2247975A - Fastening installation and fastener therefor : en
  • BE441587R - improvements to photographic chambers and similar devices : en fr
  • CH215406A - Process for separating the constituents of tall oil. : de en
  • CH215375A - Firelighter. : de en
  • DE707776C - Control device for the fuel supply in internal combustion engines : de en
  • US2247391A - Abrading apparatus : en
  • US2247541A - Constructor's level and gauge : en
  • US2247852A - Game : en
  • AU259140A - Improvements in caps and sockets fortwo-ended electric lamps : en
  • US2247561A - Apparatus for casting : en
  • US2247564A - Coupling protector : en
  • USD128023S - Design foe a lamp head : en
  • AU259140B - Improvements in caps and sockets fortwo-ended electric lamps : en
  • DE707698C - Grinding plant, consisting of mill with pre-shredder : de en
  • PL29808B1 - Telefunken Gesellschaft fur drahtlose Telegraphie m. B. H., Berlin Connection system of multi-element tone control for receivers and amplifiers : en pl
  • SU60377A1 - Rotating tray for gas generator : en ru
  • US2247952A - Conditioning can blank : en
  • CH215398A - Process for the preparation of a new ester mixture. : de en
  • AU113330B2 - Improvements in or relating to variable capacity devices and circuit arrangements employing thesame : en
  • CA397559A - Electric heater : en fr
  • CA397562A - Vehicle wheel : en fr
  • US2247969A - Edge glow lighting system : en
  • CA397610A - Gelatinized high explosive composition : en fr
  • CA397650A - Suction cleaner : en fr
  • CH215355A - A device for heating water using the heat of the combustion gases from a heating appliance. : en fr
  • PL29839B1 - : en pl
  • SU60432A1 - Method for producing chloropropionic acid nitrile : en ru
  • US2247589A - Tool for segmenting citrus fruits : en
  • US2247624A - Aluminum hydrate : en
  • US2247799A - Folding chair : en
  • AU196241A - Frequency modulated wave detector : en
  • SU60530A1 - Master for the study of vertical oscillations : en ru
  • US2247938A - Calculating machine : en
  • US2247629A - Power crank : en
  • AU113346B2 - Improvements relating to television receivers : en
  • GB537628A - Improvements relating to windows : en
  • USD128054S - Design tor a fluorescent bed lamp : en
  • AU275140A - Improvements in circuits for operating HPMV lamps : en
  • CH215515A - Device for recording and registering the movement processes of organs of the human or animal body, in particular the heart function. : de en
  • CA397590A - Electric discharge device : en fr
  • GB537641A - Improvements in or connected with centreless grinders : en
  • US2248002A - Apparatus for finishing forgings : en
  • SU60370A1 - Instrument for drawing axonometric and perspective projections : en ru
  • US2247652A - Animal trap : en
  • USD128021S - Design for a lamp head : en
  • US2247837A - Method of making stud links : en
  • US2247956A - Floor polishing device : en
  • USD128053S - Design tor a fluorescent bed lamp : en
  • CA397585A - Resinous composition : en fr
  • DK58819C - Power transmission mechanism for internal combustion engines. : da en
  • CH215353A - Heat pump installation for heating purposes. : de en
  • CH215602A - Arrangement with a magnetron tube. : de en
  • CH215476A - Centrifugal compressor with adjustable guide vanes in front of at least one impeller. : de en
  • USD128035S - Magneto electric generator : en
  • US2247362A - Drafting device : en
  • US2247432A - Manufacture of reflecting lamps : en
  • US2248026A - Cigar lighter : en
  • CH215491A - Method for connecting a body made of charcoal to be assembled in an insulating manner to a part made of insulating material : de en
  • CA397593A - Chemical process : en fr
  • AU205640A - Improved scaffold device : en
  • CH215550A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • US2247452A - Self-releasing battery terminal clamp : en
  • CA397555A - Water heating and distilling apparatus : en fr
  • CH215590A - Process for the production of an asymmetrical trimethine cyanine dye. : de en
  • CH215407A - Process for the production of a moldable, elastically hardening mass. : de en
  • USD128030S - Design for a heater cabinet : en
  • CA397614A - Photographic film subbing : en fr
  • CH215570A - Process for the preparation of a mixture of sodium salts of acylated aminomethanesulfonic acids. : de en
  • CH215589A - Process for the production of an asymmetrical trimethine cyanine dye. : de en
  • DE707713C - Locking device for the carriage of agricultural lifts : de en
  • DE707755C - Process for expanding a mixture of liquid with gaseous and possibly solid substances from vessels under high pressure : de en
  • US2248007A - Heating device for washing machines : en
  • GB537664A - Improvements in and relating to gas producer plants : en
  • US2247819A - Window screen : en
  • US2248010A - Automatic circuit controller : en
  • US2247412A - Machine for finishing forms : en
  • US2247971A - Eyeshade : en
  • SU60346A1 - Device for leveling the load under the segments of the generator hydrogenerator : en ru
  • SU60480A1 - Range shortwave antenna using parallel-connected dipoles : en ru
  • US2247556A - Door bolt : en
  • DE707670C - Device for magnetizing the non-destructive material testing to be subjected to workpieces with the help of strong alternating currents : de en
  • CH215352A - Heating device with heating by means of thermal water. : de en
  • SU60263A1 - Device for heating in the field of high frequency products : en ru
  • SU60489A1 - Spidergun for warping machines with support ring and manually compressible spring : en ru
  • SU60279A1 - Lift : en ru
  • USD128024S - Design fok a lamp head : en
  • DE707603C - Arrangement and circuit for the decomposition of frequency mixtures and for harmonic measurement, in particular with magnetization currents : de en
  • CH215473A - Device driven by fluid pressure to achieve adjustment movements. : de en
  • CH215600A - Arrangement with a magnetron tube. : de en
  • SU60476A1 - Device for measuring the coefficient of the traveling wave in the feeder : en ru
  • DE707743C - Process for the production of pigmented artificial silk according to the viscose process : de en
  • US2247359A - Process for refining oils : en
  • US2247818A - Shoe last : en
  • US2247795A - Electric hoist : en
  • USD128092S - Design fob a dress : en
  • GB537744A - Manufacture of thiazolinyl sulphide derivatives and their use as vulcanisation accelerators : en
  • US2247497A - Bag display holder : en
  • US2247711A - Sterilization of liquids : en
  • US2247445A - Filter : en
  • SU60254A1 - Method of making dry galvanic elements with manganese depolarizer : en ru
  • GB537673A - Improvements in high vacuum pumps : en
  • US2247966A - Electric impulse motor : en
  • CH215418A - Skis with anti-skid device. : de en
  • DE707775C - Spinneret : de en
  • GB537633A - Cylindrical grinding and lapping machine : en
  • US2247458A - Railway truck : en
  • US2247801A - Signaling and interlocking system for traffic routes : en
  • US2247370A - Powder metallurgy : en
  • GB537708A - Improvements in or relating to chromium-nickel steel alloys : en
  • US2247439A - Emulsifying apparatus : en
  • GB537660A - Improvements in or relating to the attachment of heels to shoes : en
  • US2248024A - Spinning and twister ring : en
  • US2247730A - Condenser finning machine : en
  • SE101915C1 - Gas-tight end closure for rod-shaped resistor mounting bodies of hard-to-melt metal with ceramic protective jacket. : en sv
  • SU60326A1 - Method of dyeing furs with aniline with pretreatment of hides with a mineral-acid solution of dichromate and subsequent treatment with a solution of aniline salt : en ru
  • SU60314A1 - Method of eliminating trapezoidal raster on an inclined screen of cathode-ray tubes : en ru
  • US2247863A - Pipe swaging machine : en
  • USD128064S - Design for a coat : en
  • SU60246A1 - Device for modulating electron flow in clestrons : en ru
  • GB537648A - Improvements in or relating to eye shields or sunglasses : en
  • DE707424C - Aircraft auxiliary wing : de en
  • DE707772C - Device for the execution of the process for the simultaneous spinning and twisting of artificial threads with a rotary nozzle and a felling bath rotating with this : de en
  • GB537605A - Improvements relating to rail joints for railway track rails : en
  • GB537656A - Improvements in and relating to excitation arrangements for motor generator sets having flywheel equalisation : en
  • DK58808C - Electric Discharge Tube with a Secondary Emission Electrode. : da en
  • US2247946A - Bumper : en
  • DE707733C - Grader : de en
  • GB537743A - Improvements in or relating to indicating meters particularly for radio navigationalpurposes : en
  • CA397686A - Ammunition : en fr
  • GB537609A - Improvements in and relating to electrical transformers : en
  • GB537620A - Means for mounting the frame of multi-wheel motor vehicles or tractors : en
  • US2247411A - Cresol-hydrocarbon-formaldehyde condensation product : en
  • GB537694A - Improvements in dynamo electric generators : en
  • USD128011S - Flashlight or similar article : en
  • DE707826C - Process for the mechanical connection of core parts consisting of core material with one another or with other bodies : de en
  • PL29842B1 - : en pl
  • DE707741C - Process for the automatic ignition of mercury vapor rectifiers with electro-magnetically moved immersion ignition electrodes : de en
  • GB537608A - Improvements in and relating to counter moulding machines : en
  • SU60379A1 - Method of making bimetallic castings : en ru
  • US2247451A - X-ray filter : en
  • US2247867A - Saxophone cord : en
  • USD128008S - Design fok a clock : en
  • GB537769A - Improvements in water collecting bags for use in gulley-openings : en
  • IT387332B - : it
  • US2247726A - Stoker pusher rod : en
  • US2247887A - Finishing and burnishing tool : en
  • USD128097S - Design for a dress : en
  • GB537624A - Improvements in or relating to walls and wall ties : en
  • US2247474A - Rotary engine : en
  • SU60313A1 - Tool for loosening soils using the holder with teeth : en ru
  • SU60317A1 - Machine for winding wire spirals on pipes of gas and liquid coolers : en ru
  • SU60398A1 - Electric drive clockwork : en ru
  • USD128099S - Design foe a dress ensemble : en
  • CA397551A - Motor suspension means for electric traction vehicles : en fr
  • US2247750A - Tape dispensing device : en
  • CH215548A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • GB537634A - Improvements in and relating to latch mechanism for doors or the like : en
  • GB537655A - Improvements in or relating to electrically insulating bushings or sleeves : en
  • BE441517A - Device for the production of metal coatings : en fr
  • CH215500A - Process for the production of connection contacts on a glazed wire resistor wound onto an insulating body. : de en
  • US2247860A - Oil burner : en
  • SU60241A1 - Method of degassing clay solutions while drilling oil wells : en ru
  • CA397667A - Self-centring chuck : en fr
  • CA397599A - Ore flotation process : en fr
  • PL29792B3 - A method of producing durable varnish coatings on wood : en pl
  • SU60334A1 - Adaptation device for accelerating discharge of a line during service and emergency braking : en ru
  • CH215477A - Engine system with at least two supercharged two-stroke internal combustion engines. : de en
  • US2247444A - Die : en
  • SU60360A1 - Elastic band for vacuum filter with perforated ribbed bearing surface : en ru
  • SU60543A1 - The method of obtaining viscose : en ru
  • CA397669A - Track sander : en fr
  • PL29819B1 - A method of bleaching with a spool or centrifugal system of artificial or natural fibers on perforated carriers : en pl
  • SU60277A1 - Device for suctioning air from the pleural cavity with spontaneous pneumothorax : en ru
  • CA397626A - Chlorination process : en fr