• GB512287A - Improvements in means for supplying cooling air to the engines of rear engined motor vehicles : en
  • PL28644B1 - Valsts Elektrotechniska Fabrika, Riga. Wrap film packaging. : en pl
  • GB512351A - Improvements in mountings for engines, machinery and the like : en
  • US2171061A - Duplicating machine : en
  • US2171351A - Lightning arrester : en
  • GB512355A - Improvements in or relating to gyroscopes : en
  • US2171482A - Perforating machine : en
  • US2171508A - Tractor : en
  • FR845662A - Adjustable mechanical pencil for drawing instruments, in particular for compasses : en fr
  • DE680531C - Hand rotary drill with compressed air drive by vane motor : de en
  • USD116366S - Design fob a fly swatter blade : en
  • DE680525C - Device for increasing the maximum lift of wings : de en
  • DE680639C - Electromagnetic direction indicator, especially for motor vehicles : de en
  • USRE21187E - Dental cleaning spray : en
  • DK56610C - Motorized Games. : da en
  • GB511986A - Improvements in or relating to air-filtering units for respirators : en
  • DE680692C - Steering device on wagon trains with a multi-axle trailer car with steerable wheels : de en
  • FR845581A - Motor vehicle with forked central spar : en fr
  • GB511964A - Improvements in or relating to wardrobe suitcases : en
  • FI18574A - Centrifugal fan for use in gas containment rooms : en fi
  • GB512123A - Improvements in and relating to sockets for electric lamps and the like : en
  • DE680451C - Locking device on self-loading pistols : de en
  • GB512032A - Improvements in or relating to biers for hearses : en
  • US2171239A - Refrigerator heat interchanger : en
  • US2171109A - Humidity control : en
  • FI18571A - Förfaringsäätt för att förbättra cirulationen och öka värmeutväxlingsförmågan i av rör bestående värmeutväxlingsanordningar och en dylik värmeutväxlingsanordning : en fi
  • FR845613A - Synchronization method for television : en fr
  • GB512187A - Improvements in the finishing treatments of textile materials : en
  • DE680500C - Rotary switch for multi-pole circuits, especially heater switches : de en
  • PL28871B1 - Johnson Laboratories, Incorporated, Chicago, Illinois. I Device for compensating for variations in the frequency of vibrations in the circuit of the oscillating tube, caused by fluctuations in temperature or voltage. : en pl
  • DE680486C - Television process for the transmission of colored images : de en
  • DE680297C - Device for the automatic maintenance of an alternating voltage : de en
  • GB511950A - Improvements in or relating to lubricating devices for rotary or other compressors : en
  • USD116350S - Design fok a safety lock for auto : en
  • CA383668A - Motor fuel : en fr
  • FR845779A - Valve or shutter control : en fr
  • FR845748A - Improvements to the manual control of fire extinguishers : en fr
  • GB512088A - Improvements in and relating to the manufacture of azo dyestuffs : en
  • CH206764A - Devices for checking the rate of clocks, in particular pocket watches. : de en
  • FI18589A - Stavformigt hålformskrut : en fi
  • GB512305A - An improved shelter against aerial warfare and the like : en
  • GB512177A - Improvements in or relating to bath overflow connections : en
  • FR845787A - Device for transmitting electrical signals using an unstable oscillator : en fr
  • US2171283A - Brake testing apparatus for motor vehicles : en
  • CH206641A - Cattle chain lock. : de en
  • US2171209A - Fuel pump for supercharged engines : en
  • FR845666A - Process for extracting bases of rare elements contained in ores or rocks : en fr
  • DE680528C - Automatic time announcer, especially in telephone systems : de en
  • FR845790A - Process for separating non-colloidal solids from colloidal liquids : en fr
  • US2170897A - Coin classifier and slug detector : en
  • CA383691A - Copying pad : en fr
  • GB512368A - Process and apparatus for the coking of pitch : en
  • GB512398A - Improvements in or relating to sectional scaffolds : en
  • DE680623C - Process for the production of socks with French heels and French feet on the flat weft knitting machine : de en
  • US2170948A - Sewing machine : en
  • GB512127A - Improvements in pyrophoric lighters : en
  • US2171050A - Cutting device for fishermen : en
  • GB512094A - Improvements in or relating to mattresses : en
  • DE679647C - Nice of grape, fruit and berry wines and musts : de en
  • GB512090A - Process for the production of triturations from fresh plants or portions of same : en
  • PL28909B1 - : en pl
  • PL28902B1 - Stanislaw Wojciechowski, Joy. Il ^ Z-Cj Profiled millstones. : en pl
  • PL28819B3 - A method of producing a roving from wool fibers of a natural length, i.e. uncut. : en pl
  • GB512392A - Improvements in or relating to firearms : en
  • US2170894A - Sheet-feeding apparatus : en
  • US2171330A - Rotary conveyer guide and fork for barn cleaning apparatus : en
  • DE680574C - LPG vehicle : de en
  • GB511975A - Improvements in and relating to driving members for lathes : en
  • FR845699A - Combustion chamber for diesel engines, located inside the piston : en fr
  • FR845794A - Body or signaling element for roadways : en fr
  • GB512035A - Improvements relating to fatigue-testing machines for materials : en
  • AU108279B2 - Improved construction of flanged-beam frames for motor trailers andother vehicles : en
  • CH206644A - Method of applying plaster made of fiber and cement. : de en
  • CH206670A - Raffel. : de en
  • CH206919A - Process for the production of a vat dye. : de en
  • FR845643A - Deformable trapezoidal suspension : en fr
  • FR845672A - Dyes of the triarylmethane series and their production process : en fr
  • US2171348A - Electric valve time delay relay : en
  • PL28608B1 - Knorr - Bremse Aktiengesellschaft, Berlin. Driver's brake valve. : en pl
  • USRE21182E - Highway guardrail construction : en
  • US2171111A - Method of manufacturing spherical light weight containers : en
  • US2171301A - Collar form attachment for garment hangers : en
  • AU108272B2 - Apparatus for cutting veneer or ply sheets : en
  • US2170991A - Air conditioning apparatus : en
  • US2171018A - Carton for wax records : en
  • USD116432S - Design for a pair of spectacles : en
  • CH206754A - Straightening machine convertible to different straightening speeds. : de en
  • AU108537B2 - Water heater : en
  • CH206642A - Masonry. : en fr
  • CH206743A - Typewriter. : en fr
  • USD116388S - Design fob a textile fabric or : en
  • DE680401C - Device for switching off the drive of automatic sheet-fed printing machines, sheet feeders, etc. like : de en
  • DE680630C - Device for combining a strip of edges provided with tear-off threads or tear-off tape and a tongue that serves as a handle for tearing open : de en
  • PL28915B1 - Pinkus Stamberger, Krakow. Collective siphon, e.g. for a bathroom or urinal. : en pl
  • AU108294B2 - Improvements in or relating to methods for electromechanical recording of sound vibrations : en
  • AU108346B2 - Improvements in fuel pumps for internal combustion engines : en
  • GB512285A - Improvements in safety devices for trip-lock pistols : en
  • GB512301A - An arrangements for cooling solid blades for exhaust gas turbines : en
  • US2171138A - Automatic locking device : en
  • US2171402A - Fluid well flowing means : en
  • US2171412A - Garnish molding and securing means therefor : en
  • CA383719A - Drier felt : en fr
  • DE680512C - Device for light treatment of the human body : de en
  • GB512148A - Improved process and apparatus for the reclaiming of used lubricating oils : en
  • CH206851A - Skin massager. : en fr
  • CA383688A - Mordant : en fr
  • CH206693A - Trousers. : de en
  • US2171077A - Tie case : en
  • AU490838A - Suspension apparatus for sliding sash windows : en
  • DK56604C - Method for Preparing Durable, Neutral Solutions of the Hypoglycemic Hormone of the Pancreatic Gland. : da en
  • US2171443A - Saw file : en
  • PL28651B1 - A device for manual or automatic lifting and lowering of the upper feed rollers in sawmills with the use of levers, activated by counterweights or springs. : en pl
  • US2171001A - Building construction : en
  • GB512323A - Improvements in or relating to the treatment of water : en
  • FR845565A - Expansion turbine for deep cooling systems : en fr
  • FR845658A - Discharge-fluid tubular steam generator with intermediate superheater heated by flue gases : en fr
  • FR845702A - Reversal mechanism : en fr
  • US2171025A - Rake tooth construction : en
  • GB512133A - An improved railway for use in road-making : en
  • GB512166A - Improvements in or relating to the manufacture of tracing paper : en
  • US2171460A - Deep well motor pump : en
  • GB512049A - Improvements in or relating to forced circulation boilers : en
  • FR845783A - Apparatus for dressing the grinding wheels of valve seat grinding machines : en fr
  • GB512255A - Improvements in doors : en
  • GB512135A - Improvements in and relating to folding and sliding doors : en
  • PL28670B1 - Stanislaw Szpor, Warsaw. Capacitor insulator. : en pl
  • USRE21185E - Sepabating system and method : en
  • AU108474B2 - Process forthe production of bituminous emulsions : en
  • CA383752A - Rotary switch assembly : en fr
  • CH206915A - Process for the preparation of a condensation product. : de en
  • US2170869A - Power transmission : en
  • US2171231A - Electric condenser : en
  • DE680258C - Iron and steel alloy for the manufacture of permanent magnets : de en
  • DE680637C - Base for mattress tamping machines : de en
  • PL28618B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m. B. H., Berlin. Amplifier with adjustable gain. : en pl
  • PL28885B1 - : en pl
  • SU55464A1 - Method of making electric carbon brushes : en ru
  • DK56612C - Vending machine with a large number of warehouses. : da en
  • GB512170A - Improvements in or relating to yarn changing mechanism for knitting machines : en
  • FR845633A - Manufacturing process of parchment tubes for plastic masses and the like : en fr
  • GB512022A - Manufacture of substances of capillary action : en
  • GB512326A - Improvements in or relating to knife sharpeners : en
  • PL28850B1 - Fabryka Zyrandoli Elektrycznych A. Marciniak S. A., Warsaw. Lamp holder for electric headlamps. : en pl
  • FR845678A - Mold for pyrography decoration : en fr
  • FR845799A - Clutch refinements : en fr
  • BE435729A - : en
  • PL28764B1 - Enamel production method. : en pl
  • US2171420A - Carbamyl dithio-carbamates : en
  • US2171203A - Process for the purification of organically polluted water : en
  • US2171461A - Water-cooled wire block : en
  • DE680397C - Process for the preparation of salts of guaiacol phosphoric acid esters : de en
  • DE680631C - Machine for winding conical or cylindrical tubes made of paper, cardboard or the like. : de en
  • PL28846B1 - Hermann Kurt Weihe, Berlin. Hydraulic braking device, especially for motor vehicles. : en pl
  • US2171459A - Apparatus for and method of sealing wrapped packages : en
  • CH206733A - Process for the production of carbon with the simultaneous formation of hydrogen or hydrogen-containing gases. : de en
  • DE680611C - Device for controlling the heat supply to devices : de en
  • DE680551C - Electric cathode glow lamp with more than two electrodes : de en
  • GB512185A - Improvements in or relating to processes for improving the stability to temperature change of sparking plug insulators : en
  • GB512337A - Improvements in and relating to electric unit-driven printing presses : en
  • CH206653A - Continuous fire vegetable stove. : en fr
  • CH206751A - Ski binding. : de en
  • CH206801A - Centrifugal pump system with an air separator on its suction side and a ventilation pump. : de en
  • FI18579A - Förfaringssätt for framställning av vätsketäta behållare såsom flaskor, kannor ochliklik av fiberhaltigt material såsom Papp, papper octylt ävensom enligt detta förfarande framställda behållare : en fi
  • GB512081A - Improvements in or relating to typewriting, teleprinting and like machines : en
  • AU530538A - Improvements in or relating to processes of curing endless belts : en
  • DE680519C - Process for separating nickel and copper : de en
  • AU322838A - Synthesis of higher aliphatic hydrocarbons : en
  • CA383689A - Ammonium sulphate : en fr
  • CA383730A - Locomotive stoker : en fr
  • CA383751A - Holding and releasing switch : en fr
  • CH206696A - Press for the production of rubber articles vulcanized under heat. : de en
  • DE680302C - Manufacture of a pigment consisting of lithopone and zinc sulfide : de en
  • PL28848B1 - A method of producing a stable product that shortens the duration of hemorrhage. : en pl
  • US2170803A - Photographic sensitizing dyes and their preparation : en
  • US2171070A - Draft eliminator : en
  • FR845789A - Flower holder : en fr
  • GB511953A - Improvements in or relating to the distribution of electrical energy : en
  • FR845727A - Detachable frame for country sheds or similar : en fr
  • GB512363A - Improvements in and relating to domestic fireplace bottoms : en
  • PL28838B1 - Hasler A.-G. Werke fiir Telephonie und Prazisionsmechanik, Bern: * Telescopic shaft with universal joints. : en pl
  • US2170934A - Conveyer : en
  • CH206838A - Circuit with oscillator tubes operated entirely with mains alternating current, for generating a high-frequency voltage free of any interruption. : de en
  • AU108286B2 - Improvements in or relating to electric discharge tubes : en
  • CA383703A - Dust engine regulating device : en fr
  • CH206895A - Sitting device. : de en
  • DE680550C - Dimmed electric lightbulbs, especially for vehicles : de en
  • AU461938A - Window structure : en
  • DE680406C - lubricant : de en
  • PL28751B1 - Thermit G. m. B. H., Giswii. f \ kT \ ^ CjJW Can, especially for canning, heated exothermally. : en pl
  • GB512067A - Improvements in or relating to edge protection and jointing strip for furniture and office, shop and other fittings : en
  • CA383608A - Belting : en fr
  • GB512239A - Improvements in the production of extensible slivers of staple fibre from bands of continuous filaments : en
  • DE680578C - Drive device for deep boring mills : de en
  • DK56600C - Electric Discharge Tube with Secondary Emission Electrode. : da en
  • US2171169A - Saw file guide : en
  • US2171409A - Conditioning-yarn bobbin : en
  • CA383716A - Railway car : en fr
  • CH206702A - Two-legged knife for meat cutter. : de en
  • CA383665A - Sealed package : en fr
  • CH206916A - Process for preparing 1,2-androstenedione-3,17. : de en
  • AU346738A - Apparatus for cutting veneer or ply sheets : en
  • DE680381C - Hand-molded impact press : de en
  • DE680448C - Differential slide device for support arm sewing machines : de en
  • CH206725A - Process for the preparation of a polyazo dye. : de en
  • FR845566A - Friction device intended to ensure the stability of the rotors of high speed machines : en fr
  • BE435550A - Process for the preparation of nitriles : en fr
  • CH206825A - Bipolar circuit breaker with maximum intensity with electromagnetic arc blowing. : en fr
  • SU55565A1 - Device for intermittent pulling films without perforation : en ru
  • PL28671B1 - Method of storing coal. : en pl
  • PL28684B1 - Wladyslaw Heinrich, Krakow. A device for producing stereoscopic cinematographic images which, when viewed directly, give a plastic impression. : en pl
  • US2171295A - Card and dice game : en
  • US2171503A - Wave forming and setting device : en
  • AU108283B2 - Improvements in neckties and linings therefor : en
  • CA383677A - Electric valve system : en fr
  • US2171230A - Insulating coating : en
  • US2171346A - Power plant : en
  • CA383660A - Photographic material : en fr
  • CH206707A - Process and device for the storage and transport of liquefied gases with a low boiling point and for the generation of compressed gases from these liquefied gases. : de en
  • CA383655A - Tooth brush : en fr
  • FR845580A - Method and device for generating sliding guide surfaces for flying machines : en fr
  • US2171451A - Rake attachment for cultivators : en
  • USD116337S - Design fob a jewelry setting ob : en
  • DE680540C - Chimneys, in particular hot chimneys : de en
  • AU108339B2 - Improvements relating tothe heating of water andother fluids : en
  • DE680465C - Link connection in vehicle caterpillars : de en
  • DE680513C - Sand sling : de en
  • GB511989A - Improved method of joining pipes and tubes to other elements : en
  • CA383728A - Locomotive stoker : en fr
  • BE435635R - Manufacture of wet binders : en fr
  • US2170840A - Cellulosic film and process for preparing same : en
  • AU108277B2 - Improvements in auxiliary electrodes in electric discharge devices : en
  • CH206900A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • PL28744B1 - : en pl
  • US2170901A - Buffing machine : en
  • US2171110A - Refrigerating apparatus : en
  • US2170851A - Master cylinder and piston structure : en
  • US2170896A - Transfer machine : en
  • PL28622B1 - An auxiliary device for steering the vehicle by means of braking or variable speed driving on both sides of the vehicle with pedals, in particular in tracked vehicles. : en pl
  • US2171089A - Vehicle lighting unit : en
  • USD116394S - Design for an amplifier or the like : en
  • US2170970A - Piston, ring, and ring expander : en
  • USD116389S - Design for a cooking range : en
  • USD116431S - Design for a pair of spectacles : en
  • US2170988A - Machine for feeding or depositing measured quantities of dough or the like : en
  • BE435390A - : en fr
  • GB512340A - Improvements in or relating to recording apparatus of the rotating-disc type for use with pyrometers and other instruments : en
  • DE680635C - Device for removing tubular or bottle-shaped paper vessels, cardboard sleeves and the like. Like. From the holder of the processing machine o. : de en
  • GB512274A - Improvements in cutting tools of the inserted blade type : en
  • US2170911A - Wind motor : en
  • USD116359S - Design fob a surf mattress : en
  • US2171210A - Board joint reinforcement : en
  • CA383637A - Hair net : en fr
  • CH206842A - Device for operating two or more arc lamps fed from a rectifier, in particular for projection purposes. : de en
  • FR845732A - Device for supplying engines with a gasifier : en fr
  • US2171048A - Circuits for more nearly perfect sound reproduction : en
  • US2170854A - Methoxy acetaldehyde and process of making alkoxy acetaldehydes : en
  • PL28657B1 - : en pl
  • US2170955A - Sifter closure : en
  • PL28835B1 - A method for the preparation of thiazoles unsubstituted at the 2-position. : en pl
  • FI18582A - Anordning förde av skidor å bilar : en fi
  • GB512303A - Improvements in driving the cooling fans in air-cooled internal combustion engines : en
  • PL28734B1 - Window locking device. : en pl
  • USD116399S - Design for a dress : en
  • US2171144A - Selective gear transmission : en
  • US2171318A - Sewing machine table : en
  • PL28870B1 - A knitted bag sheath on a strip product, in particular an electric cable, a method of making it, and a knitting machine for carrying out the method. : en pl
  • GB512390A - Process for producing anhydrous magnesium chloride from magnesium chloride lyes or higher magnesium chloride hydrates : en
  • GB512068A - Improvements relating to float-controlled valves : en
  • US2170816A - Synchronous converter control system : en
  • US2171173A - Sound pick-up unit : en
  • GB512131A - Improvements in blast furnace stoves : en
  • US2170813A - Apparatus for determining insulating values : en
  • US2171032A - Motor mounting for machine frames : en
  • US2170799A - Drop shelf and bracket : en
  • USRE21184E - Garment : en
  • BE435664A - : en
  • DE1472607U - : de en
  • DE680439C - Process for increasing the solubility of halogenated phenols in soap solutions : de en
  • CH206782A - Safety device on spin dryers and the like. : de en
  • GB512044A - Improvements in motor fuels : en
  • GB512055A - Improvements in or relating to resolving, calculating, or computing mechanism particularly for use in gun-fire control apparatus : en
  • GB512089A - Discharge fittings for taps or faucets : en
  • PL28661B1 - Tatra Werke, Automobil- und Waggonbau A. G., Prague-Smichov. The installation of the engine block in motor vehicles with a central sway member. : en pl
  • AU108290B2 - Improvements in airconditioning apparatus : en
  • CH206682A - Method of making hollow viscose silk. : de en
  • CH206700A - Knife star dough dividing and molding machine. : de en
  • CA383621A - Down-draft burner : en fr
  • CA383626A - Inflated automobile seat : en fr
  • DE680464C - Disc milling cutters, in particular for dental purposes : de en
  • USD116380S - Design for a coffee maker : en
  • USD116414S - Design for a dress : en
  • US2170878A - Amplifier feedback suppression : en
  • CH206797A - Propellant gas generator consisting of a two-shaft opposed piston internal combustion engine and a compressor unit. : de en
  • US2171219A - High frequency condenser : en
  • US2171445A - Method of knitting fabric with elastic inlay and embroidery pattern : en
  • US2171299A - Golf ball teeing device : en
  • US2171446A - Window cleaner's guard : en
  • DE680605C - Method of making sponge iron : de en
  • CH206917A - Process for the preparation of a new quaternary ammonium salt. : de en
  • CH206698A - Lid with container for milk cans. : de en
  • CH206731A - Process for the preparation of an insoluble dye. : de en
  • USD116411S - Design for a dress : en
  • GB512196A - Method of preparing pertussis toxin and toxoid : en
  • GB512295A - Improvements in instrument panels and in the apparatus mounted on same : en
  • US2171107A - Underframe : en
  • US2170826A - Method of rating and recording cutting operations : en
  • US2171000A - Formation tester : en
  • CH206852A - Process for the preparation of derivatives of the morphine series substituted in the core by hydrocarbon radicals. : de en
  • AU30939A - Improvements in or relating to can openers : en
  • GB512261A - Improvements in caps for personal wear : en
  • GR8455B - CONSUMER CONTROLS ON THE VALUE OF THESE PURCHASED GOODS. : el en
  • US2171510A - Cooking machine : en
  • CA383659A - Methine dyestuff : en fr
  • FR845585A - Variable section mouth for air intake in liquid fuel burners and similar applications : en fr
  • FR845723A - Device for mounting two aircraft propellers of the same axis with opposite directions of rotation, comprising an offset speed reducer : en fr
  • FR845726A - New selective and anti-scattering electric bulb for lamps and projectors : en fr
  • US2171184A - Producer gas plant : en
  • PL28604B1 - N. V. Handel ¦ Maatschappij "Cellastic", Amsterdam. Cell tire. : en pl
  • GB512270A - Improvements in quartz and like seals : en
  • FI18570A - Ice cream storage cabinet : en fi
  • US2171337A - Air conditioned garment : en
  • US2171472A - Moving picture camera : en
  • FR845626A - : fr
  • US2171479A - Well packer : en
  • GB512364A - A process for desulphurising mineral oils : en
  • FR845596A - 3.6. dihalogen-xanthones, acid dyes derived from these xanthones and processes for the preparation of these various products : en fr
  • GB512008A - Improvements in threaded elements for locking purposes : en
  • GB512267A - Improvements in the flame-cutting of metal plates, bars and the like : en
  • DE680549C - Arrangement for the interruption of one or more conductors of a distribution network for the purpose of remote control : de en
  • GB512339A - Improvements in the induction systems of internal-combustion engines : en
  • DE634142C - : de en
  • FR845782A - Roadside mower : en fr
  • US2171314A - Smoking pipe cleaning device : en
  • USD116419S - Design for a dress : en
  • US2170922A - Beer-dispensing faucet : en
  • US2170960A - Shoulder supporting member : en
  • US2171125A - Fluid-dispensing apparatus : en
  • GB512404A - Improvements in the regeneration of catalysts : en
  • US2170842A - Heel-seat fitting machine : en
  • US2171364A - Azo dyes : en
  • DE680413C - Centrifugal clutch, especially for motor vehicles : de en
  • SU55421A1 - The method of producing anilyl 3-oxythiovaphthene-2-aldehydes and their vinylene homologues : en ru
  • DE680438C - Device for seeding bast fiber stalks : de en
  • DE680510C - X-ray tubes with focal point control depending on the tube voltage : de en
  • GB512353A - Improvements in or relating to chucks for parts with screw threads : en
  • IE15901L - Tempering glass sheets : en
  • PL28609B1 - A method of two point welding without opposing electrodes and an apparatus for using the method. : en pl
  • US2170883A - Photographic masking : en
  • DE680463C - Machine set consisting of a cross-field generator and engine in a Leonard circuit : de en
  • GB512129A - Improvements in self-locking control wheels or handles particularly for use in gun-fire control apparatus : en
  • AU108554B2 - An improved pulverizer for animal droppings : en
  • BE435456A - : en
  • CA383734A - Sound recording mechanism : en fr
  • DE680382C - Movable device with filling shaft for the continuous production of closed channels, pipes or the like. : de en
  • US2171108A - Method of stabilizing silicon alloys : en
  • CH206863A - Automatic fire alarm system. : de en
  • CA383681A - Electric valve circuit : en fr
  • DE680518C - Process for extracting metals, such as lead, silver or mercury, from ores and other raw materials that contain metal sulfides or free metal : de en
  • DE680606C - When the power brake is actuated, automatically effective counter-pressure brake for piston steam vehicles : de en
  • GB512238A - Improvements in or connected with combined cigarette, powder or vanity, coin and like cases : en
  • US2170917A - Rail lubricating device : en
  • CH206783A - Electrical button control on machine tools. : de en
  • GB512381A - Improvements in or relating to the heels of footwear : en
  • CA383620A - Sealed receptacle : en fr
  • PL28905B1 - Connecting link for chains. : en pl
  • AU48939A - An improved process for, and composition for use in, hardening files andthe product ofthe process : en
  • CA383653A - Window sash : en fr
  • SU55504A1 - Machine for lapping the planes (mirrors) in the air distributor bushings : en ru
  • CA383667A - Sewing machine : en fr
  • CH206769A - Sheet metal strip for the manufacture of seamed sealed containers. : de en
  • CH206684A - Upper thread tensioning device on sewing machines. : de en
  • CH206857A - Push button arrangement for alternating current telegraphy. : de en
  • BE435751A - Improvements to mechanical exploration devices for sound recordings : en fr
  • CH206905A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • DE680585C - Device for the automatic control of display devices : de en
  • FR845601A - Process for treating liquid distillable carbonaceous material containing suspended solids with hydrogen : en fr
  • AU108337B2 - Improved burr gathering machine : en
  • CA383675A - Fuel burning method : en fr
  • DE680514C - Sand preparation machine : de en
  • FR845629A - Improvements to compositions for printing or decorating textile fabrics : en fr
  • CH206832A - Electromagnet, in particular for electric clocks and switching apparatus. : de en
  • DE680434C - Arrangement for monitoring the operation of controlled discharge paths, in particular rectifiers : de en
  • FR845638A - Suspension device applicable, for example, to aircraft landing gear : en fr
  • DE680449C - Flash lamps, in particular for photographic purposes : de en
  • FR845599A - Process for obtaining halogenated monoolefins : en fr
  • CH206890A - Coupling for connecting two wheels of a drive, which are mutually movable in all directions, especially for electrically operated rail vehicles. : de en
  • GB512235A - Intermittent tension devices : en
  • GB512263A - Improvements in and relating to the driving of the raising rollers in cloth raising machines : en
  • GB512307A - Improvements in or relating to screw and nut elements : en
  • PL28872B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven. The receiving connection system with frequency conversion, in which a multi-grid lamp is used as the oscillator-modulator. : en pl
  • US2171183A - Maximum demand indicator : en
  • SU55572A1 - The way zolka pigskin : en ru
  • CH206767A - Lining on centrifugal molds. : de en
  • PL28647B3 - Klara Wever b. Seyd, Dusseldorf. Wire connector for belts. : en pl
  • US2170802A - Vacuum-producing apparatus : en
  • US2171367A - Apparatus for and method of weaving pile fabrics : en
  • US2171423A - Method of reacting a tetra-alkyl lead and a nitro-phenol : en
  • AU350638A - Device for egg washing : en
  • CH206774A - Lathe. : de en
  • BE435574A - : en
  • CH206744A - Writing tape with reel for typewriters, cash registers and the like. : de en
  • US2171272A - Condition responsive switch : en
  • US2171515A - Method and apparatus for size reduction : en
  • USD116390S - Besign fob a cooking range : en
  • US2170874A - Multicolored lens : en
  • US2171274A - Telehotographic objective : en
  • CH206855A - Method for regenerating punched registration cards and machine for its implementation. : en fr
  • DE680480C - Cinema machine with direct motor drive : de en
  • US2171078A - Breakable stem for fire hydrants : en
  • DE680530C - Elastic loop fabric in the direction of the warp : de en
  • FR845757A - Improvements to electric motors : en fr
  • PL28697B1 - Rotadisk Apparatebau G. m. B. H., Berlin-Reinickendorf. Attachment to a snake and tools for its installation. : en pl
  • PL28825B1 - Device for determining the length of the day and night depending on the season and geographic location. : en pl
  • USRE21192E - Cupping device : en
  • GB512331A - Improvements in or relating to storage bins, bunkers or the like : en
  • US2170914A - Rigging : en
  • US2171102A - Duplex machine for blocking and pressing hats : en
  • CH206666A - Central heating boiler. : de en
  • PL28643B1 - A method of removing additional stretch from a thread with a high degree of twist. : en pl
  • US2171066A - Cushion closing device : en
  • US2171188A - Binding device and pencil support : en
  • AU108310B2 - Improvements in or relating to can openers : en
  • CH206724A - Process for the preparation of a water-soluble azo dye. : de en
  • CH206907A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • CA383628A - Stocking protector : en fr
  • CA383707A - Olefine ketone and alcohol manufacture : en fr
  • AU108280B2 - Improvements in and relating to electrical communication systems involving automatic gain control apparatus : en
  • CH206844A - Electric light bulb. : de en
  • CH206712A - Process for the production of alkali peroxide. : de en
  • CA383658A - Flashing sign control device : en fr
  • AU108531B2 - An improved machine for splitting firewood : en
  • CH206729A - Method for the preparation of 5 ': 5 "- dibenzoylamino-1: 1': 5: 1" - trianthrimide carbazole. : de en
  • US2171469A - Automobile : en
  • US2171406A - Spiral rolling generating process for bevel gears and apparatus therefor : en
  • US2170887A - Flap device : en
  • FR845763A - Improvements to two-stroke engines : en fr
  • FR845785A - Direction indicator especially for motor cars : en fr
  • GB512378A - Improvements in and relating to non-skid treads for the pneumatic tyres of motor vehicles : en
  • CH206885A - Internal combustion engine system, in particular for vehicles, with a display device consisting of a speedometer and wattmeter for the power and speed of a generator coupled to the internal combustion engine. : de en
  • DK56618C - Gearshift mechanism, especially for Automobiles. : da en
  • US2171052A - Welding shield : en
  • US2171192A - Apparatus for disconnecting pumping apparatus from a beam : en
  • USD116426S - Design for a hat : en
  • FR845679A - Device for permanent waves : en fr
  • FR845706A - Oscillator relay : en fr
  • CH206819A - Machine set consisting of a water turbine and an electric generator. : de en
  • DE666583C - Electric cells, in particular motor vehicle batteries with removable covers and replaceable electrodes : de en
  • FR845697A - Hydraulic machine : en fr
  • GB512269A - Improvements in mudguards for wheels of perambulators, juvenile vehicles and the like : en
  • GB512273A - Improvements relating to window raising and lowering mechanism : en
  • US2170859A - Method of repairing rail ends : en
  • US2170888A - Powered cross feed for lathes : en
  • USD116377S - Design fob a crane bridge or similar : en
  • FR845606A - Mounting device for aircraft power units : en fr
  • GB512266A - Apparatus for forming curved sheets : en
  • US2171261A - Copy holder : en
  • US2171419A - Fabric-reinforced artificial leather : en
  • DK56608C - Procedure for the manufacture of taverns of glass and other substances. : da en
  • AU2539A - Process forthe production of bituminous emulsions : en
  • AU502238A - Improvements in or relating to electron discharge tubes : en
  • PL28705B1 - Westinghouse Electric n ^ ^ 0 Jj 70 & Manufacturing Company, Pittsburg, Pennsylvania. Electric liquid switch with high breaking power. : en pl
  • CA383729A - Stoker conveyer : en fr
  • US2171268A - Ore reducing machine : en
  • AU457538A - Improvements in high-pressure mercury-vapour electric discharge lamps : en
  • PL28669B1 - : en pl
  • US2170895A - Transfer machine : en
  • AU12539A - Arrangements for syphon rinsing devices for rinsing with different quantities of water : en
  • AU399838A - Improvements relating to built up steel truss roof members : en
  • US2170821A - Can-closing machine : en
  • AU108512B2 - Improvements in high-pressure mercury-vapour electric discharge lamps : en
  • AU401038A - Improvements in and relating to scarifiers and like implements having flexible frames : en
  • CH206836A - Mechanical synchronous rectifier for high voltage. : de en
  • CH206884A - Control device for a generator driven by a motor, in particular an internal combustion engine, at a variable speed. : de en
  • AU108330B2 - Improvements inthe construction of collapsible boxes or cartons : en
  • US2171005A - Speed-responsive device : en
  • AU108308B2 - Arrangements for syphon rinsing devices for rinsing with different quantities of water : en
  • AU309538A - Improvements relating tothe heating of water andother fluids : en
  • US2171151A - Circuit for amplitude modulation carrier wave : en
  • AU466238A - An improved road grader front assembly : en
  • US2170940A - White titanium dioxide pigment : en
  • AU28639A - Improvements in refractory glasses for envelopes of electric discharge devices : en
  • CH206918A - Process for the production of a vat dye. : de en
  • CH206713A - Vertical diaphragm electrolyser. : en fr
  • GB512334A - Improvements in vibratory motors, particularly for use in packing granular and other materials : en
  • CH206812A - Spark plug with a ceramic insulator. : de en
  • CH206901A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • CH206881A - Method for applying BEZW. Removal of resilient wheel tires and means for carrying out this process. : de en
  • CA383661A - Bicycle frame : en fr
  • US2170797A - Method of making axle housings : en
  • US2171120A - Tie wire apparatus : en
  • US2171433A - Smoothness gauge : en
  • CH206763A - Eight-day, chronograph, double hour clock movement. : en fr
  • DE680318C - Device for remote control of adjustable organs : de en
  • GB511937A - Improvements in or relating to machine gun lock mechanism : en
  • PL28731B3 - Device for self-regulation of additional emulsion air in gas nozzles of combustion engines. : en pl
  • US2170885A - Selective switch : en
  • US2171386A - Milk bottle filler attachment : en
  • GB512031A - Manufacture of acid wool dyestuffs of the anthraquinone series : en
  • GB512105A - Means for obtaining relative movement of aircraft parts : en
  • PL28862B3 - Device for coating internal surfaces of pipes. : en pl
  • US2170933A - Continuous duty x-ray unit : en
  • US2170968A - Fabric finishing and like machines : en
  • AU384138A - Improvements in or relating to collapsible tubes orthe like containers : en
  • AU108425B2 - Improved process and apparatus for working glass bodies : en
  • CA383657A - Pressure reducing valve device : en fr
  • CH206750A - Mutes for brass instruments. : de en
  • DE680634C - Machine for making bottles from paper : de en
  • US2171258A - Method and apparatus for lining crown caps : en
  • PL28860B1 - Franciszek Chowaniec, Rychwald. A projection camera for displaying kaleidoscopic images that change themselves. : en pl
  • USD116405S - Design for a dress ensemble : en
  • DE680444C - Device for machine sewing of welding leather in hats u like : de en
  • FR845776A - Improvements to small stitch leather sewing machines : en fr
  • CH206762A - Antagonist spring device for chronograph pusher. : en fr
  • US2170973A - Belt fastener : en
  • PL28924B1 - : en pl
  • US2171163A - Fastening device : en
  • PL28673B1 - Escher Wyss Maschinenfabriken Aktiengesellschaft, Zurich. Multistage axial compressor with intercooling. : en pl
  • USD116360S - Design fob a portable electric cut : en
  • US2171499A - Dry-cleaning machine : en
  • AU108274B2 - Improvements in or relating to overalls and like garments : en
  • US2171016A - Sign : en
  • USD116379S - Design for a coffee server : en
  • US2171478A - Means for flowing fluids under pressure : en
  • US2171506A - Laminated fabric : en
  • DE680431C - Device for remote control of street lamps, multi-tariff meters, air raid protection signals and the like distributed over a power network. like : de en
  • FR845677A - Device for rapid evacuation of the upper floors of buildings by slide in the event of fire or alert : en fr
  • FR845775A - Quick identification system for station name ranges in radio receivers : en fr
  • GB512157A - Improved alarum gun : en
  • DE638327C - Self-inking stamping machine for marking laundry u. like : de en
  • GB511942A - Method and apparatus for purifying gases from contained impurities which are separated out by combination with a washing fluid : en
  • GB512110A - Improvements in and relating to the warping of ships in locks, docks and the like : en
  • GB512315A - Improvements relating to the temperature-compensation of ferraris meters : en
  • CA383674A - Display stand : en fr
  • CH206807A - Starting device for internal combustion engines. : de en
  • CH206923A - AC switching device for synchronous switching. : de en
  • US2170793A - Cutting torch or blowpipe : en
  • US2170982A - Dual control mechanism : en
  • US2170791A - Locomotive front end arrangement : en
  • AU108490B2 - Hydraulic bag loader : en
  • BE435676A - : en
  • CA383700A - Cathode ray amplifier : en fr
  • CA383747A - Fuse plug : en fr
  • CH206912A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • CH206815A - Refrigerator. : de en
  • CH206902A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • FR845653A - Process for reducing the ability of cellulose products to retain water : en fr
  • US2171377A - Contact filtration of viscous lubricating oils for decolorization : en
  • PL28875B1 - A method of producing valuable hydrocarbons such as gasolines, medium oils, diesel fuels, lubricating oils and the like from coal, tar, mineral oils, their distillation products or hydrogenation by high-temperature pressure hydrogen treatment in the presence of catalysts. Patent dependent on patent No. 22792. : en pl
  • SU16440A1 - A device for reproducing sounds recorded as a conductive electric thick line : en ru
  • PL28700B1 - Walter Herz, Vienna. The impregnating agent and the method of its preparation. : en pl
  • USD116372S - Design for a culinary cabinet : en
  • BE435509A - Method for performing photographic enlargements, in particular for high enlargement ratios : en fr
  • DE680379C - Articulated lever hook lock for cans : de en
  • FR845781A - Transparent photograph on paper : en fr
  • GB511993A - Hydraulic presses : en
  • AU108281B2 - Window structure : en
  • GB512247A - Improvements in or relating to vapour electric arc converter arrangements : en
  • FR845647A - Device for closing berries : en fr
  • GB512014A - Improvements in the manufacture of metal tubing : en
  • CH206830A - High-performance fuse for low and medium voltages. : de en
  • GB512383A - Improvements in glazing for shop windows : en
  • AU537638A - Water heater : en
  • CA383632A - Tobacco curing method and apparatus : en fr
  • CH206773A - Horizontal fine boring mill. : de en
  • AU108293B2 - Method of treating seeds and cereal grains : en
  • AU72139A - Improvements in controlling devices for flashing signs andthe like : en
  • DE680483C - Air bomb for coal dust explosions : de en
  • AU108314B2 - Device for egg washing : en
  • CA383735A - Signalling system modulator and de-modulator : en fr
  • CH206722A - Process for the production of a new dye preparation. : de en
  • DE680508C - Sheathed transformer with flux drainage : de en
  • US2171410A - Pump : en
  • GB512199A - Improvements in or relating to packing rings for axles or shafts : en
  • AU108316B2 - An improved automatic stoker for furnaces : en
  • CA383714A - Liquid fuel burner : en fr
  • PL28778B1 - Device for converting a six-wheel vehicle with all driven wheels to the same four-wheel vehicle and vice versa. : en pl
  • US2170972A - Process for treating anhydrides : en
  • PL28626B1 - Marian Zmuda, Radlin. Arrangement of a roll for belt conveyors. : en pl
  • PL28834B1 - Device for dosing liquids from the main tank. : en pl
  • USD116427S - Design for an eye shade or similar : en
  • AU33839A - Improvements in and connected with belt and the like pulleys of the split type : en
  • CH206817A - Device for the sudden shutdown of AC commutator motors with adjustable brushes. : de en
  • CH206746A - Photographic apparatus with light meter attached. : de en
  • CH206897A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • CH206858A - Teletype receiver. : de en
  • CH206833A - Converter tube with small probe current. : de en
  • CH206887A - Device for changing the transmission ratio on vehicle brakes. : de en
  • US2171366A - Telephonograph : en
  • SU55502A1 - Adaptation to the soldering machine for protection from soldering inside the sealed cans : en ru
  • US2171271A - Honing machine : en
  • DE680459C - Device for the lateral alignment of sheets : de en
  • PL28845B1 - . Philips * Gloeilampenfabrieken, Eindhoven. 'pP Receiver with frequency conversion and self-correction correction. : en pl
  • US2170830A - Wire feed mechanism : en
  • US2171453A - Stick file : en
  • FR845786A - Device for shaping curved sheets of glass or other materials, in particular with a view to tempering, and installations comprising an application : en fr
  • GB512156A - Improvements in or connected with high capacity electric fuses : en
  • GB512230A - Improvements relating to heat-exchanger cores, particularly for motor-vehicle radiators : en
  • AU108303B2 - Improvements in frequency control in superheterodyne receivers : en
  • BE435381A - Box to be built into the plaster of a wall : en fr
  • CA383649A - Garment belting : en fr
  • CH206781A - Machine vice with clamping device. : de en
  • CH206804A - Two-stroke internal combustion engine with direct current purging. : de en
  • CH206910A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • GB512147A - Hulling, husking and cracking machine : en
  • USRE21190E - Circular knitting machine for drop : en
  • GB511961A - Improvements in or relating to the construction of motor propelled vehicles : en
  • GB512184A - Improvements in separating and delivering appliances for fluent materials : en
  • CA383664A - Rock drill : en fr
  • CA383663A - Rock drill : en fr
  • GB512329A - Lathes and like machine tools for machining the bases of shells : en
  • GB512057A - Improvements in automatically controlled variable pitch air screws : en
  • DE680317C - Arrangement for single-frequency transmitter : de en
  • FR845746A - Self-regulating electrical system applicable to alternating current : en fr
  • GB512248A - Improvements in or relating to shaft couplings : en
  • FR845649A - Process for preparing high molecular weight aldehydes, ketones and alcohols : en fr
  • GB512117A - Improvements in or relating to the cutting of pipes : en
  • GB512029A - Improvements relating to hydraulic control mechanisms : en
  • GB512186A - Improvements in or relating to safety razor blades : en
  • AU395938A - Improvements in or relating to pattern grading machines : en
  • GB512244A - Improvements relating to alloy cast irons and to articles manufactured therefrom : en
  • CH206674A - Method of making clothes hangers. : de en
  • CH206834A - High vacuum cathode ray tube with a large depth of field of the electron optical system. : de en
  • FI18587A - Method of preparation of acid solution for preserving fresh feedingstuffs : en fi
  • FR845598A - Scavenging and feed compressor for internal combustion engines, and in particular for two-stroke diesel aircraft engines : en fr
  • GR8458B - APPARATUS AND METHOD TO COLD TWIST ABOUT ITS OWN IRON OR TO COLD DISTRIBUTE MANY SUCH. : el en
  • CA383636A - Footwear stiffener : en fr
  • CH206776A - Process for foaming latex and apparatus for carrying out this process. : de en
  • CH206777A - Method and device for joining leather straps and other pieces of leather. : de en
  • CH206809A - Valve for internal combustion engines. : de en
  • PL28780B1 - Victor Vertnik, Maribor. Os. For carts. : en pl
  • CA383631A - Writing pad holder : en fr
  • GB511943A - An improved form of animal food and apparatus for the manufacture thereof : en
  • CA383622A - Power driven scaffold : en fr
  • CA383624A - Fibrous container making apparatus : en fr
  • AU108315B2 - Improvements in pick-proof cylinder locks : en
  • US2171244A - Food compound : en
  • PL28874B1 - A method of transmitting and receiving television broadcasts, and an apparatus for applying the method. : en pl
  • PL28884B1 - : en pl
  • US2171097A - Nailing plug : en
  • CH206742A - Locking device on typewriters, calculating machines and the like. To prevent a sheet of paper clamped in the machine from being inadvertently conveyed beyond a certain position. : de en
  • CH206824A - Small boxes, especially for mounting electrical lines under plaster. : de en
  • DE680515C - Device for the production of composite castings, in particular chilled cast iron rolls : de en
  • US2171126A - Machine for making book covers : en
  • FR845703A - Process for fixing dyes or tanning substances on the fiber : en fr
  • GB512149A - Improved process and apparatus for the reclaiming of used lubricating oils : en
  • GB511992A - Improvements in or relating to the desulphurisation of molten iron : en
  • FR845594A - Dictation Machine Recording Cylinder Surface Resurfacing Machine : en fr
  • GB512163A - Improvements in or connected with lifts and the like : en
  • DE680474C - Arrangement for remote actuation of switches : de en
  • AU108540B2 - Improvements relating to floor, walland like coverings : en
  • GB512009A - Improvements in or relating to clutch plates : en
  • GB512115A - Improvements in or relating to metal tube extrusion presses : en
  • GB512004A - Improvements in, or relating to, reinforced ebonite or similar tubes, and in the manufacture or production thereof : en
  • GB512077A - Improvements in fluid-operated piston devices for use particularly in catapults for the launching of aeroplanes : en
  • DE680594C - Triggering and storage device for alarm clocks : de en
  • GB512020A - Improvements in ring binders for books : en
  • US2171133A - Dual bathtub control : en
  • PL28817B3 - Yarn manufacturing method. : en pl
  • DE680534C - Device to avoid the entry of false air in rolling mill furnaces, in particular push-through furnaces : de en
  • GB512143A - Improvements in copper base alloys : en
  • GB512000A - Improvements in or relating to switching arrangements for electric conductors : en
  • GB511951A - Improvements in and relating to typographical composing machines : en
  • DE680622C - Process and flat weft knitting machine for the production of the double edge of goods : de en
  • GB512338A - Improvements in or relating to insulated electrical conductors and methods of makingthe same : en
  • US2170994A - Display rack for books and the like : en
  • US2171037A - Planter : en
  • US2171262A - Trimming and reaming machine : en
  • US2171456A - Throttle control mechanism : en
  • USD116333S - Design foe : en
  • USD116370S - Design for a range or analogous : en
  • GB511966A - Manufacture of 1:3-butylene-glycol : en
  • GB512178A - Improvements in appliances for seed sowing : en
  • SU55529A1 - Rail joint pavement lining : en ru
  • US2170848A - Wheel balance tester : en
  • US2170986A - Carpenter's tool : en
  • US2171029A - Pneumatic tool : en
  • CH206821A - Pressure nipple for watertight cable glands, in particular on electrical installation material made of insulating material. : de en
  • GB512001A - Manufacture of polymeric vinyl alcohols and partial derivatives thereof : en
  • US2171276A - Metal half tone screen : en
  • GB512061A - Improvements in the photographic production of designs for use in jacquard mechanism : en
  • IE15780L - Wired radio system : en
  • FR845674A - Automatic plow cutter : en fr
  • PL28901B1 - : en pl
  • AU353738A - Improvements in fuel pumps for internal combustion engines : en
  • CA383662A - Vehicle body : en fr
  • CA383656A - Pocket corset : en fr
  • US2170979A - Optical system for searchlights : en
  • CH206645A - Thin parquet floor. : de en
  • CH206655A - Electric instantaneous water heater with hot water storage tank. : de en
  • PL28898B3 - Eisenwerk Rothe Erde G. m. B. H., Dortmund. Protection of ball bearing rings, especially those used for vehicle trailers. : en pl
  • US2171075A - Snow sweeper : en
  • CA383684A - Fuse cutout : en fr
  • CH206652A - Stove. : de en
  • PL28713B1 - A method for treating metal objects with a heat source and an apparatus for carrying out the method. : en pl
  • USD116344S - Design fob a pneumatic tire : en
  • AU108326B2 - Improvements in gas-tight seals whereby electric conductors pass into a vitreous envelope : en
  • AU108292B2 - An improved process for, and composition for use in, hardening files andthe product ofthe process : en
  • CH206796A - Lifting device. : de en
  • GB512097A - Improvements in the manufacture of rolling bearings : en
  • GB512155A - Improvements in or relating to electric arc converter arrangements : en
  • PL28897B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven. Electric discharge lamp. : en pl
  • US2171327A - Multiple recorder : en
  • US2170958A - Power soarer : en
  • US2171407A - Thermostatic control for multipass evaporators : en
  • US2170909A - Game : en
  • US2171303A - Resonant vibration fatigue tester : en
  • US2171494A - Hydroxy halogenated benzene derivatives and uses therefor : en
  • DE680420C - Process for the separation of glazed hard stone pipes u. Like. To a desired length : de en
  • FR845551A - Direction finder without night effect : en fr
  • GB512343A - Improvements in advertising or display sign with moving inscription : en
  • US2171154A - Radio receiver : en
  • PL28704B1 - Wilhelm Kulka, Brno. flld A \ oS Heat exchanger. : en pl
  • PL28852B1 - F. Steiner Nfg., Atzgersdorf near Vienna. Hydraulic jack for airplanes. : en pl
  • AU392939A - Process for aromatizing hydrocarbons : en
  • CA383630A - Plaster base applying means : en fr
  • CA383640A - Hypodermic syringe : en fr
  • CH206865A - Road traffic signal system. : de en
  • FR845619A - Coin tray with electrically illuminated advertising transparency : en fr
  • FR845673A - Device for lifting and towing immobilized vehicles : en fr
  • GB512137A - Improvements relating to jacquard repeating apparatus : en
  • GB512335A - Improvements relating to the taps of gas ovens and the like : en
  • SU55507A1 - Internal grinding method : en ru
  • US2170913A - Car wall anchorage for cargo binders : en
  • US2171473A - Braking mechanism : en
  • PL28883B1 - The method of tanning sole leather. : en pl
  • US2171323A - Die and method of forming : en
  • US2171200A - Method of recovering fatty acids : en
  • US2171305A - Vulcanization of rubber : en
  • US2171342A - Fan casing : en
  • DE680455C - Furnace for the continuous production of fine grain : de en
  • FR845617A - Alloy for welding : en fr
  • GB512146A - Units for the construction of apparatus for experimental work in mechanics : en
  • PL28864B1 - : en pl
  • US2171229A - Process for manufacturing cast bearings from light metal alloys : en
  • CA383633A - Boiler : en fr
  • CH206799A - Protective space ventilator for manual operation. : de en
  • PL28632B1 - Fuel for portable heaters. : en pl
  • PL28748B1 - Device for injecting fuel into internal combustion engines. : en pl
  • US2171014A - Spark plug : en
  • PL28663B1 - Device for changing the collector brushes of pre-firing motors, regulated by shifting the brushes. : en pl
  • CA383629A - Elastic band fastener : en fr
  • US2171103A - Tie-holder construction : en
  • US2171117A - Method of producing sulphonic acids and salts thereof : en
  • PL28873B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m. B. H., Berlin Electric discharge lamp with double distribution of discharge current. : en pl
  • US2171002A - Furnace : en
  • CH206784A - Machine for processing ship screws, propellers and the like. : de en
  • US2171324A - Manufacture of artificial silk : en
  • GB512053A - Improvements in or relating to covers for baby carriages and dolls' perambulators : en
  • GB512302A - Improvements in or relating to breathing apparatus : en
  • CA383686A - Electric fuse : en fr
  • CH206716A - Process for the representation of diketones. : de en
  • US2171062A - Press for the extrusion of lead and other metals : en
  • GB512099A - A transportable house wall : en
  • DE680331C - Electric motor drive for machine tools, especially for milling machines : de en
  • DE680593C - Device for switching off the striking mechanism of the clock mechanism with manually triggered striking mechanism : de en
  • GB512025A - Improvements in adjustable brackets : en
  • DE680442C - Selective self-seller with several vertical shafts arranged next to one another for goods of different prices : de en
  • FR845659A - Improvements to thermionic tubes and similar electric discharge devices : en fr
  • GB512070A - Improvements in the weaving of pile fabrics : en
  • DE680642C - Device for chalking bump caps on billiard sticks : de en
  • CH206723A - Process for the preparation of a new tetrakisazo dye. : de en
  • CH206734A - Process for the production of highly elastic and high-strength threads, foils or other structures made of viscose. : de en
  • PL28797B1 - A method of producing artificial precalling fibers from casein. : en pl
  • US2171017A - Carton for wax records : en
  • DE680367C - Selenium rectifier, especially for rectifying the smallest measuring currents : de en
  • GB512405A - Improvements in or relating to rotary presses for multi-colour printing : en
  • USD116438S - Design for a valance clip : en
  • GB512106A - Improved protective mask : en
  • DE680580C - Blow molding machine : de en
  • DE680409C - Horse rake : de en
  • GB512175A - Improvements in or relating to joints for tubes : en
  • CH206826A - Device for the transmission of electrical voltages, preferably high-frequency voltages, from a rotating to a fixed conductor or vice versa. : de en
  • DK56598C - Elongated ceramic insulator with solid core equipped with rain screens. : da en
  • FR845663A - Camera : en fr
  • GB511981A - Improvements relating to window opening and closing mechanisms : en
  • FR845590A - Method of construction of walls, floors, doors, etc., elements allowing its implementation and walls of all kinds established by this process : en fr
  • GB512265A - Improvements in regenerative or recuperative heat exchanging apparatus : en
  • DK56603C - Procedure for the production of artificial taverns with a rough surface. : da en
  • FI18577A - Anordning spolning av cylindrarna vid förbränningsmotorer med U-shapediga cylindrar : en fi
  • GB512277A - Apparatus for absorbing the secondary rays in x-ray photography : en
  • PL28847B1 - : en pl
  • PL28747B1 - : en pl
  • PL28919B1 - Tefi-Apparatebau Dr. Daniel K.-G., Cologne. A device for the production of mechanical sound recordings with a cutting needle. : en pl
  • US2171152A - Electrical signaling system and device therefor : en
  • CH206703A - Process for cleaning and disinfecting brewery and beer equipment and beer transport vessels. : de en
  • CA383613A - Drying oil and varnish processing : en fr
  • CH206681A - Spinning bobbin and holder for rayon spinning machines. : de en
  • CA383724A - Catalyst regeneration : en fr
  • GB512332A - Improvements in or relating to towel and like racks : en
  • AU108572B2 - An improved drill cultivator : en
  • CH206756A - Apparatus intended to be inserted in a pipe in order to give, to the passage of a fluid in this pipe, an indication which depends on the value of the flow rate and which is a function of another property of this fluid. : en fr
  • DE680305C - Device for making people or objects completely or partially invisible or for achieving three-dimensional and spatially freely floating representations with a moving image : de en
  • US2171142A - Clearing device for beer dispensing systems : en
  • US2171228A - Christmas tree stand : en
  • USRE21189E - Refrigerating apparatus : en
  • DE680601C - Process for keeping fish fresh : de en
  • FR845736A - Improvements made to trailers for road vehicles, in particular those towed by automobiles : en fr
  • PL28783B1 - A device for limiting the largest amount of fuel injected into the working cylinders of internal combustion engines charged with centrifugal pumps driven by exhaust gases. : en pl
  • CA383610A - Railroad crossing : en fr
  • FR845770A - Further training in modulation expanders : en fr
  • GB512370A - Improvements in and relating to lock-nuts : en
  • US2171282A - Coupling plate for wheel presses : en
  • PL28821B3 - Device for extracting dust particles by electricity floating in a gas or gas mixture. : en pl
  • US2171121A - Corncrib or similar structure : en
  • US2171178A - Derailment actuated brake applying means for pony and engine trucks : en
  • CA383651A - Rubberized scraper : en fr
  • CA383678A - Electric heating device : en fr
  • FR845731A - Airplane wing construction : en fr
  • PL28923B1 - Fichtel & Sachs flktiengesellschaft, Schweinfurt Collective cable from Bowden lines : en pl
  • US2170963A - Suction nozzle : en
  • US2171468A - Shears and scissors : en
  • US2171155A - Method of making asbestos-cement shingles : en
  • US2171101A - Pin board : en
  • SU55520A1 - Metal Bird Making Machine : en ru
  • US2170847A - Electron beam deflection circuits : en
  • US2171457A - Automatic auto safety circuit breaker : en
  • GB512195A - Improvements in and relating to electric motor control systems : en
  • GB512257A - Improvements in gas-tight seals wherein electric conductors pass through quartz and like vitreous material : en
  • DE680595C - Process for the preparation of crystallized citric acid : de en
  • US2171049A - Shoe for oil well packers : en
  • US2171235A - Automatic fluid connection for toggle actions : en
  • US2171322A - Hot liquid container : en
  • US2171359A - Glow lamp : en
  • US2171148A - Superregenerative receiver : en
  • AU108543B2 - Improvements in or relating to pattern grading machines : en
  • CA383713A - Liquid fuel burner : en fr
  • DE675123C - Fabric punching device, especially for punched pieces for the production of shirts : de en
  • DE680470C - Execution belt for sheet laying devices of printing machines : de en
  • PL28746B1 - A method of producing stable solutions of anesthetics. : en pl
  • SU55474A1 - Coin sorter : en ru
  • AU349038A - A method of indicating leakages in tubes, containers andthe like : en
  • GB512281A - Improvements in and relating to the manufacture of electric incandescent lamps : en
  • PL28920B1 - : en pl
  • CH206656A - Process and screw press for the formation of a structure-free extruded strand. : de en
  • US2171073A - Motor vehicle switch : en
  • FI18590A - Provision for the use of cloaked water, fresh air and other waste : en fi
  • DE680492C - Process for the production of basic copper salts : de en
  • FR845622A - Quick junction for machine tool spindles with tool heads, especially drill heads : en fr
  • GB512112A - Improvements in or relating to knitting machines : en
  • US2171042A - Vehicle stand and guard : en
  • US2171455A - Slider for hookless fasteners : en
  • USD116397S - Design for a dress : en
  • AU108343B2 - Improvements inthe manufacture and production of liquid or solid hydrocarbons or liquid or solid oxygen-containing derivatives of hydrocarbons : en
  • PL28753B1 - The method of obtaining carbohydrate derivatives. : en pl
  • US2170870A - Sliding door : en
  • US2171354A - Undergarment : en
  • US2171449A - Apparatus for treating articles with fluid : en
  • CA383726A - Parcel sorting and distributing apparatus : en fr
  • CA383642A - Recooling plant : en fr
  • CA383721A - Article marking apparatus : en fr
  • CH206661A - Self-collecting door lock. : de en
  • AU108576B2 - Improvements relating to television transmission and to methods of reducing or eliminating thed. C. and low frequency components in television waves : en
  • AU57239A - Improvements in or relating to methods for electromechanical recording of sound vibrations : en
  • CH206790A - Process for the production of piston rings, in particular for light metal pistons of internal combustion engines. : de en
  • GB512153A - Improvements in or relating to electrical condensers : en
  • CH206717A - Process for the preparation of a mixture of bisquaternary dimorpholine compounds. : de en
  • CH206772A - Tool with a number of cutting tool bodies. : de en
  • CH206806A - Uncooled piston for internal combustion engines. : de en
  • CH206864A - Device for measuring electrical quantities as a function of their instantaneous values, in particular for remote measurement, with the aid of measuring devices that integrate the instantaneous values. : de en
  • PL28803B1 - A method of drying the materials and an apparatus for carrying out the method. : en pl
  • US2171051A - Folding paper box : en
  • CA383617A - Pump shaft seal : en fr
  • CH206755A - Closing mechanism for firearms. : en fr
  • AU108541B2 - Improvements in or relating to method of facing walls, building blocks and parts thereof : en
  • CH206721A - Process for the preparation of a condensation product from trimethylhydroquinone and crotonic acid halide. : de en
  • PL28810B1 - A method of operation of electric railway vehicles, fed with a single-phase overhead cable, and a device for applying the method. : en pl
  • US2171098A - Earth working apparatus : en
  • US2171513A - Process for treating fabrics and like materials to produce effects therein and products therefrom : en
  • CH206805A - Flushing and supercharging fans on internal combustion engines, in particular two-stroke diesel aircraft engines. : de en
  • PL28648B1 - : en pl
  • US2170856A - Power transmission : en
  • PL28616B1 - A method of producing bushings and other machine parts containing sliding surfaces. : en pl
  • US2171118A - Method of covering tennis balls : en
  • US2171270A - Collar fastener : en
  • PL28787B1 - Fagersta Bruks Aktiebolag, Fagersta. ^ / * H Ou Insert, filling the solder joint between the board and the shank of the tool and the method of its manufacture. : en pl
  • US2170860A - Direction finder : en
  • US2170880A - Cooking utensil : en
  • US2171425A - Vehicle construction : en
  • CA383615A - Pleated crepe forming machine : en fr
  • CH206651A - Riflemen with lower and upper rifle boards. : de en
  • DE680552C - Lamp for partial illumination of a room with ultraviolet rays : de en
  • GB511997A - Improvements in and relating to diesel engines : en
  • PL28771B1 - Radio receiver with superimposed frequency. : en pl
  • US2171275A - Heating unit : en
  • US2171405A - Welding strip and centrifugal casting : en
  • GB512394A - Improvements in brass wind instruments : en
  • GB511979A - Improvements in and relating to electric arc welding : en
  • CA383732A - Lubricating apparatus : en fr
  • GR8456B - METHOD FOR MANUFACTURING BENZOLOSULONIC ACID PRODUCERS. : el en
  • DE680437C - Firebox wall, in particular of steam generators, made of boiler tubes : de en
  • DE680526C - Monitoring device for electrically driven direction indicators for motor vehicles : de en
  • CH206785A - Ashtray. : de en
  • CH206872A - Single-skid sled. : de en
  • CH206878A - Heating device for vehicles with water-cooled engines. : de en
  • DE680484C - Process for the production of semi-pyrophoric metal compounds : de en
  • GB512130A - Improvements in and relating to pipe couplings : en
  • DE680395C - Device for regulating the temperature in the catalytic pressure hydrogenation of coals, tars, mineral oils or their distillation products : de en
  • US2171220A - Sweater : en
  • DE680411C - Projection device for photoelectrically controlled incandescent lamp cinemas : de en
  • DE653804C - Device, in particular for thermostatic control of the coolant circulation alternately through the cooler or through a short-circuit line, for internal combustion engines of motor vehicles : de en
  • GB512286A - Improvements in high-pressure metal-vapour electric discharge devices : en
  • DK56591C - Apparatus for steaming women's and men's hats as well as women's and men's clothing. : da en
  • US2171393A - Wind-screen wiper : en
  • US2170950A - Resins from phenolic compositions and esters of anacardic acid : en
  • USD116403S - Design fob a dress : en
  • CH206886A - Safety device against skidding on locomotives with single axle drive. : de en
  • CH206892A - Aircraft landing facility. : en fr
  • GB512136A - Improvements in or relating to mast aerials : en
  • US2171095A - Extrusion apparatus for obtaining luster, color, pattern, and complicated shape effects on articles formed of plastic material : en
  • DE680328C - Process for the production of ethers : de en
  • DK56614C - Device for potato pickers with swivels and flywheels pivotally mounted around the impeller shaft. : da en
  • FR845583A - Independent suspension of the steering wheels of motor vehicles : en fr
  • FR845637A - Device for stretching and advancing films on reels : en fr
  • US2171182A - Disconnecting switch : en
  • US2171514A - Brake arrangement : en
  • GB512039A - Improvements in or relating to knitting machines with electrically controlled parts : en
  • GB512119A - Improvements in curtain supports : en
  • DE680546C - Process for the manufacture of floor coverings : de en
  • DE680620C - Method and device for the production of openwork and clad patterned goods on circular knitting machines : de en
  • DE680400C - Circumferential brake for paper rolls in printing machines : de en
  • GB511948A - Manufacture of compositions for use in horticulture : en
  • GB512384A - Improvements in or relating to dust extracting apparatus in finishing machines, especially for finishing footwear : en
  • CA383639A - Trolley yoke : en fr
  • CA383720A - Moving stairway : en fr
  • CH206921A - Machine tool. : en fr
  • US2170817A - Inking system for surface-decorating machines : en
  • US2171164A - Spark plug : en
  • GB512391A - Improvements in or relating to means for withdrawing bar-shaped articles from galvanizing baths and other coating baths : en
  • DE667667C - Blind stitch sewing machine with alternating short and long diver stroke : de en
  • GB512085A - Improvements in or relating to the remote control of radio receivers : en
  • US2171350A - Card holder : en
  • CH206687A - Mixture that can be used as a washing, cleaning, bleaching and washing-up liquid : de en
  • DE680583C - Signal system for multi-car trains : de en
  • DE680509C - Anode arrangement for gas or vapor-filled high-voltage rectifiers : de en
  • US2171292A - Fluid control device : en
  • GB512313A - Improvements in or relating to the electrical precipitation of suspended particles from a stream of gas : en
  • GB511991A - Improvements relating to kiers : en
  • GB512093A - Tobacco feeding device : en
  • GB512385A - Improvements in or relating to number rollers for metering mechanisms, especially for electricity measuring appliances : en
  • FR845588A - Process for the agglomeration of fibrous materials, in particular glass fibers, and binder used for this purpose : en fr
  • GB546552A - Improved form of station keeping sight for use on aircraft : en
  • GB512176A - Improvements in, and connected with, removable contact arrangements for electric switches : en
  • AU108289B2 - Improvements in process for electric flash percussive welding : en
  • CH206690A - Washing trough. : de en
  • US2171245A - Circuit breaking device for electrical alarm installations : en
  • USD116386S - Design fob a textile fabric ob : en
  • US2171146A - Hydraulic rotary engine : en
  • GB512047A - Improvements in and relating to surge systems of testing : en
  • CA12506S - Elastic fabric : en
  • CH206779A - Grinding tool. : de en
  • AU108285B2 - Hydraulic disruption of solids : en
  • CA383727A - Motor fuel : en fr
  • CH206719A - Process for the preparation of 1-methyl-4-phenyl-piperidine-4-carboxylic acid nitrile. : de en
  • US2170882A - Lighting construction : en
  • US2171185A - Longitudinal spring for telescopic tubular guides : en
  • US2171315A - Method of destroying insects and microorganisms : en
  • US2171345A - Parking meter : en
  • US2170812A - Frequency modulation : en
  • FR845784A - Improvements in the manufacture of electrical conductors : en fr
  • GB512283A - Improvements in and relating to yarn feeding mechanism : en
  • FR845605A - Improvements to electrolytic capacitors : en fr
  • FR845607A - Improvements to cameras : en fr
  • FI18575A - Anordning and förfaringssätt för framställning av förgarn, garn eller dylikt av glas- och andra fibrer och sålunda framställd produkt : en fi
  • US2171074A - Process for improving the texture of rolled products : en
  • FI18583A - Variables are used for the transport of bicycles : en fi
  • PL28777B1 - Ringhoffer - Tatra- Werke A. G., Prague. A motor vehicle. : en pl
  • US2171269A - Camera : en
  • DE680522C - Friction gear for continuously changing the speed of the shaft to be driven : de en
  • DE680665C - Shorthand and concept holder : de en
  • GB512397A - Improvements in or relating to apparatus for purifying air : en
  • USD116424S - Design for a dress : en
  • PL28749B1 - Automatic Telephone & Electric Company Limited, London. 'The automatic escort telephone device and the way its subscriber dials are set by pulses sent from the switchboard to which it is attached. : en pl
  • DE680402C - Transfer device in front of thermal fences : de en
  • GB512221A - Improvements in or relating to the production of dehydrated borax : en
  • GB511938A - Improvements in and relating to machine-gun locks : en
  • GB511985A - Improvements in or relating to figures adapted to represent the human body : en
  • FI18588A - Förfaringssätt vid framställning av margarin : en fi
  • PL28823B1 - Internal combustion engine with sliding bottom in the working cylinder. : en pl
  • US2170828A - Pellicle and process for preparing same : en
  • US2170866A - Internal expansion stopper : en
  • US2170881A - Gas anchor : en
  • US2170971A - Educational device : en
  • US2171047A - Heat exchange apparatus : en
  • CH206680A - Germ-proof closure for containers such as bottles, jugs, barrels or the like. : de en
  • BE435689A - : en fr
  • US2171391A - Process of producing hard materials : en
  • USD116334S - Design for a belt buckle : en
  • FR845615A - AC voltage modulator : en fr
  • GB512229A - Improvements in or relating to the conditioning of gases, particularly air : en
  • PL28736B1 - Device for copy bookkeeping. : en pl
  • SE96673C1 - Feeding troughs for calves and similar : en sv
  • US2171375A - Light weight construction steel : en
  • USD116338S - Design fob an announcement stand : en
  • US2170852A - Aircraft blind landing system : en
  • US2171360A - Telescope observation instrument : en
  • PL28900B1 - Extraction device for punching, especially for cotton punching. : en pl
  • PL28914B1 - Henryk Kantoch, Sosnowiec and Stanislaw Banski, Sosnowiec. Lubricant rail connector without screws. : en pl
  • FR845573A - Process for the preparation of a product intended to be added to a rusk dough : en fr
  • GB511969A - Improvements in and relating to aircraft : en
  • PL28659B1 - Rudolf Reinisch, Vienna. : en pl
  • PL28665B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven. Electric discharge lamp filled with gas. : en pl
  • PL28804B1 - Marconi's Wireless Telegraph Co. Ltd., Loodj MOh urno Connection system for powering or tuning distances from high-frequency circuits. : en pl
  • USD116352S - Design for a bottle : en
  • US2171046A - Top construction : en
  • US2171328A - Process for resolving petroleum emulsions : en
  • AU356039A - Improvements inthe manufacture and production of liquid or solid hydrocarbons or liquid or solid oxygen-containing derivatives of hydrocarbons : en
  • US2170920A - Apparatus for skiving strip material : en
  • US2170936A - Method and apparatus for making artificial stone : en
  • US2171260A - Eyepiece light filter for photometers : en
  • US2171421A - Vulcanization of rubber : en
  • US2171054A - Apparatus for displaying and advertising merchandise : en
  • USRE21186E - P griffith : en
  • AU71839A - Improved process and apparatus for working glass bodies : en
  • CA383712A - Boiler feeding apparatus : en fr
  • US2170921A - Product for the treatment of the alimentary canal : en
  • PL28790B1 - : en pl
  • DK56596C - Oscillator for Frequency Multiplication. : da en
  • GB512174A - Improved rubber composition : en
  • GB512299A - Process for the production of figured textile fabrics : en
  • DE680333C - Housing with magnetic shielding effect for measuring instruments : de en
  • DE680423C - United friction and claw clutch for rotating gear members, especially for change gears of motor vehicles : de en
  • PL28696B1 - A method for producing dry ice and an apparatus for carrying out the method. : en pl
  • US2171081A - Metallic abrasive : en
  • DE680538C - Self-starting synchronous small motor, low speed : de en
  • GB512015A - Improvements in or relating to chamfering machines for shaping the ends of gear teeth : en
  • GB512203A - A process for the production of stable calcium sodium lactate solutions suitable forinjection : en
  • FR845632A - Device for retaining dough on accumulator plates and methods and apparatus for their manufacture : en fr
  • FR845737A - Improvements to soundproof and heat-insulating linings : en fr
  • GB512245A - Improvements in or relating to electron discharge devices : en
  • DE680610C - Electron tubes with a cathode heated indirectly by heat radiation : de en
  • PL28712B1 - A method of producing color cells for zipper closures and a device for carrying out this method. : en pl
  • US2171170A - Wheel structure : en
  • USD116392S - Design for a service station : en
  • US2171373A - Siphon valve stopper for bottles : en
  • USD116400S - Design for a dress ensemble : en
  • US2171143A - Thick butt shingle : en
  • US2170904A - Serving oven : en
  • US2171129A - Tuning indicator for radio receivers : en
  • US2171498A - Sulphonates of polyaryl polyethers : en
  • US2171198A - Method of recovering fatty acids : en
  • CA383646A - Weight recorder : en fr
  • CH206874A - Coupling device for clutch-release. : en fr
  • PL28735B1 - Valsts Elektrotechniska Fabrika, Riga. A camera for roll films. : en pl
  • PL28865B1 - The method of preventing the skewing of the rollers in the roller chains during the run and the appropriate roller guide. : en pl
  • US2171431A - Miniature lamp instrument illuminator system : en
  • DE680566C - Manufacture of graphite-free titanium carbide : de en
  • FR845652A - Improvements to rotary devices for the treatment of elastic fluids : en fr
  • GB512218A - Pulpy ink and fountain pen thereto : en
  • US2171135A - Radio receiving circuit : en
  • US2171363A - Moisture indicator : en
  • US2171441A - Tuning condenser mounting : en
  • AU108515B2 - Improvements in or relating to processes of curing endless belts : en
  • AU108559B2 - Improvements in refractory glasses for envelopes of electric discharge devices : en
  • AU395538A - Improved construction of flanged-beam frames for motor trailers andother vehicles : en
  • CH206778A - Polishing drum for metal articles. : de en
  • AU363938A - Improvements in auxiliary electrodes in electric discharge devices : en
  • US2170873A - Electrical system : en
  • US2171413A - Apparatus for and method of reshaping a molded pulp article : en
  • CH206686A - Diazo preparation. : de en
  • CA383753A - Ironing machine : en fr
  • US2170995A - Ethylene glycol aryloxy-acetates : en
  • US2171384A - Blasting assembly : en
  • PL28889B1 - John Leslie Haughton, Teddington, and William Eliezer Prytherch, Teddington. Magnesium alloy. : en pl
  • CH206758A - Pan bearings, in particular for scales. : de en
  • US2171432A - Radio apparatus : en
  • CH206814A - Cooling device switched on in a water pipe. : de en
  • PL28805B1 - A method of processing synthetic resin threads. : en pl
  • CA383692A - Duplicating apparatus : en fr
  • US2170834A - Process for the dehydration of lower fatty acids with ketones and ethers : en
  • US2171039A - Mechanism for molding material : en
  • US2171397A - Plant protector : en
  • DE680491C - Reaction vessel with tube bundles composed of perforated simple or conaxial tubes : de en
  • FR845795A - Process for preparing and isolating saturated and unsaturated compounds of the bis-nor- and etio-cholamic acid series and their substitutes : en fr
  • CH206920A - Small caliber projectile. : en fr
  • US2170899A - Telephone system : en
  • US2171065A - Builder's hardware : en
  • US2170806A - Merocyanine dyes containing a thionaphthenone nucleus : en
  • US2170898A - Stabilized coupler for tractor drawn trailers : en
  • US2170818A - Internal combustion engine : en
  • US2171233A - Phototube : en
  • US2171218A - Ultra short wave system for twoway communication : en
  • US2171400A - Air filter and medicator for poultry hovers and the like : en
  • DE680498C - Banana plugs : de en
  • FI18585A - The aid is granted on a first-come, first-served basis : en fi
  • GB512087A - Improvements relating to means for securing curtain rails to supporting brackets : en
  • AU349138A - Improvements in or relating to overalls and like garments : en
  • CA383709A - Hot air furnace : en fr
  • GR8461B - FILTER ADJUSTED TO THE TOBACCO PIPE TO NEUTRATE NICOTINE. : el en
  • US2171390A - Antifriction bearing : en
  • US2171415A - Container for packaging and dispensing interfolded paper sheets : en
  • GB512360A - Improvements in piston rings : en
  • AU400838A - An improved pulverizer for animal droppings : en
  • CH206876A - Device for the automatic control of speed change transmissions on motor vehicles. : de en
  • CH206788A - Metal plain bearings. : de en
  • GB512296A - Improvements in vertical water tube boilers : en
  • US2170923A - Seat track and riser : en
  • US2170927A - Mining machine : en
  • US2171496A - Parachute harness release coupling : en
  • PL28785B1 - Robert Pollak, Vienna. Flexible bicycle chain, the links of which are made of plates, connected by rollers, and the drive wheel for this chain. : en pl
  • PL28789B1 - A method of obtaining cellulose from stalks of lyophilic plants. : en pl
  • USD116369S - Design for a typewriter frame : en
  • CA383685A - Distribution cutout : en fr
  • PL28811B1 - Tatra-Werke, Automobil- und Waggonbau A. G., Prague-Smichov. Pedal for oscillating shafts. : en pl
  • AU108320B2 - An improved road grader front assembly : en
  • GB512342A - Improvements in or relating to casement windows, hinged doors and the like : en
  • CH206736A - Method and device for softening boiler feed water. : de en
  • CH206787A - Process for the production of a ball joint on piston rods with a one-piece ball socket. : de en
  • CH206862A - Voter facility. : de en
  • GB512224A - Improvements in or relating to the electrical precipitation of suspended particles from gaseous fluids : en
  • FR845741A - Improvements made to cylinder and piston machines : en fr
  • GB512314A - Improvements in and relating to nut locking devices : en
  • US2171174A - Latch : en
  • US2171254A - Abrasive tool : en
  • CH206728A - Process for the production of a new vat dye. : de en
  • CA383741A - Hydrocarbon processing : en fr
  • US2170858A - Time and distance recorder : en
  • AU108563B2 - An improved tray : en
  • CA383694A - Duplication device : en fr
  • CA383618A - Pump shaft seal : en fr
  • PL28619B1 - Willy Mansbach, Berlin. A display device having an invisible drive, which causes the exposed objects to jump or rotate, and the object to be rotated by such a device. : en pl
  • DE680596C - Procedure for operating remote control systems : de en
  • GB512377A - Improved auxiliary tractive means for traction wheels of tractors and like motor vehicles : en
  • PL28699B1 - : en pl
  • SU55563A1 - The method of obtaining the carrier frequency : en ru
  • US2171199A - Process for purification of laundry waste : en
  • US2171463A - Hammer crusher with adjustable resilient feed grate : en
  • PL28620B1 - Marconi's Wireless Telegraph Co. Ltd., London. High frequency amplifier with feedback. : en pl
  • US2171205A - Powder distributing attachment for tractors : en
  • US2170983A - Trailer hitch : en
  • DE680572C - Through air sifter : de en
  • DK56606C - Method for the production of therapeutically useful swelling agents. : da en
  • CH206860A - Device for remote transmission of commands, messages or measured values. : de en
  • CH206898A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • US2170928A - Mining machine : en
  • US2171207A - Process for the polymerization of olefins : en
  • GB512322A - Insect-killing and insect-preventive preparation : en
  • GB512140A - Improvements in tickets or tags for marking textile materials : en
  • GB512214A - An improved bottle : en
  • FR845618A - Method and device for preventing radiation from artificial light sources outside of premises : en fr
  • PL28904B1 - Aluminum ¦ Industrie ¦ Aktien - Gesellschaft, Neuhausen. Light metal cylinder is pressure resistant. : en pl
  • US2171027A - Arc lamp : en
  • GB512357A - Improvements in electric furnaces adapted for the bright annealing of metals and like purposes : en
  • PL28830B1 - A method for uniformly feeding a device for processing a raw material, e.g. carbon rinsing, and an apparatus for applying the method. : en pl
  • US2171206A - Elliptic spring : en
  • US2171286A - Compressor regulator : en
  • AU60239A - Improvements in monolithic structures : en
  • AU108532B2 - Method of and apparatus for vaporising and diffusing fumigant : en
  • DE680475C - Electric high pressure vapor discharge lamp with quartz vessel : de en
  • FR845560A - Improvements in the fabrication of iron alloys and chromium-rich steels : en fr
  • US2171448A - Buckle : en
  • US2171289A - Vehicle brake : en
  • PL28926B1 - A device for the production of profiles by pulling strips or metal bars between shaping rolls. : en pl
  • DE680543C - Cutting device for venting extrusions, clay cutters or the like. : de en
  • FR845572A - Receiving device for high frequency telecommunication : en fr
  • DE680521C - Friction gear change transmission : de en
  • GB511957A - Improvements in or relating to binders for sheets of paper or the like : en
  • DK56617C - Automatic Safety with Handbrake for Motor Vehicles. : da en
  • FR845553A - Re-ignition systems for discharge lamps : en fr
  • DE680499C - Terminal block with wedge-shaped attachments : de en
  • DE680699C - Shoe heel : de en
  • GB512294A - Tool or blank feeding mechanism for machine tools, particularly drilling machines : en
  • GB511982A - Improvements in directional lighting fittings and their manufacture : en
  • DE680488C - Process for the production of barium for electrical discharge vessels : de en
  • GB511995A - Improvements in welt turning mechanism for straight-bar knitting machines : en
  • GB512393A - A method of making valve springs : en
  • DE680598C - Fluid damping for the brake or clutch of sliding armature motors : de en
  • FR845701A - gas scrubber containing dust, particularly blast furnace gases : en fr
  • GB512300A - Improvements in or relating to photographic cameras : en
  • FR845668A - Colorants manufacturing process : en fr
  • US2170855A - Production of alkoxyacetones : en
  • GB512371A - Process for the fractionation of mixtures of hydrocarbons or other liquids : en
  • FI18576A - Clover cutter to be fitted to the threshing machine : en fi
  • US2171307A - Brake shoe key anchorage : en
  • FR845575A - Process for improving the electrical characteristics of solutions : en fr
  • FR845558A - High voltage direct current generator installation : en fr
  • FR845683A - Level indicator : en fr
  • GB512194A - Improvements in or relating to grinding or abrading machines : en
  • FR845780A - Multi-stage hydraulic transmission : en fr
  • GB512366A - An electrolytic apparatus for producing hydroxides of metals : en
  • DE680352C - Device for automatically switching back electrically operated direction indicators on motor vehicles : de en
  • GB512056A - Improvements relating to prepayment meters : en
  • FR845676A - Counterpedal control device for drum or other brakes, of bicycles, tandems and other such vehicles : en fr
  • GB512071A - Improvements in or relating to hand irons : en
  • PL28878B1 - "Arwogaz" Fabryka Gazomierzy, Wodomierzy i Armatur Spólka Akcyjna in Poznań, Poznan. A dry multi-chamber gas meter with movable diaphragms. : en pl
  • FR845711A - Process for the manufacture of stockings or other similar hosiery, and hosiery made by this process : en fr
  • US2170953A - Paper cut-out : en
  • US2171022A - Indicator : en
  • US2171277A - Method of fur dyeing : en
  • DE680445C - Thread take-up for sewing machines with swinging needle bar lever : de en
  • GB512098A - An impeller for centrifugal pumps especially aero-engine super-chargers : en
  • PL28737B1 - Robert Engler, Gelsenkirchen. Electrically heated steam iron. : en pl
  • GB511988A - Safety device for use with casement windows : en
  • GB512169A - Improvements in and relating to ventilators, air diffusers and the like : en
  • DE680478C - Process for the production of rubber conversion products by treating rubber solutions with halogen compounds of amphoteric metals : de en
  • DE680505C - Automatic electrical control arrangement for monitoring changing physical quantities : de en
  • US2171009A - Oil refining process : en
  • GB512082A - Improvements in and relating to bagatelle and similar games : en
  • GB512144A - Improvements in or relating to the impregnation of metals with silicon : en
  • DE680490C - Suspension of independently guided bikes : de en
  • US2171033A - Process of contacting hydrocarbon vapors with zinc chloride : en
  • US2171190A - Automatic check and shut-off valve : en
  • DE680426C - Protective clothing : de en
  • DE680547C - Removal of arsenic and phosphorus from tungsten and molybdenum liquor : de en
  • US2170889A - Anchor : en
  • FR845691A - Process for the preparation of high molecular weight polyamides capable of being transformed into fibers : en fr
  • GB512058A - Improvements in and relating to coil winding machines : en
  • GB512126A - Improvements in door closing and checking appliances : en
  • US2171003A - Strip feeding and aligning mechanism : en
  • US2171068A - Cart : en
  • US2170952A - Gas turbine : en
  • DE680338C - Process for the preparation of substances with an inhibitory effect on blood coagulation : de en
  • US2170872A - Process for extracting carotinoids : en
  • US2171256A - Radio aerial : en
  • US2171263A - Protective device : en
  • US2171288A - Coupler for train pipes : en
  • USD116374S - Design for an oil burner pumping : en
  • FR845728A - Device for modulating a high frequency oscillation or for amplifying a modulated high frequency oscillation : en fr
  • FR845754A - Ultra-bright, low-voltage cathodic discharge glow lamp for recording sound on film or other applications : en fr
  • FR845774A - Improved method and device for bending pipes, bars, sheets and other parts : en fr
  • DE680633C - Cutting and method of making a paper vessel : de en
  • CH206705A - Dressing sack. : de en
  • FR845769A - Screen sweeper : en fr
  • GB511998A - Improvements in sedimentation classifiers : en
  • FR845562A - Sliding door trim : en fr
  • FR845713A - Improvements to variable-pitch aerial propellers : en fr
  • FR845765A - Method and devices for the reduction of evaporative losses in tanks of volatile products : en fr
  • GB512006A - Machine for vending bottled beverages : en
  • GB512027A - Coin operated vending machine : en
  • GB512289A - Soap tablets : en
  • GB512118A - Improvements in or relating to amplifiers with automatic contrast control : en
  • US2171197A - Process for purification of laundry waste : en
  • GB511977A - Improvements relating to thermal control devices for electrical apparatus : en
  • FR845797A - Burner for liquid fuels, with double rotating cup : en fr
  • GB512330A - Improved liquid flow indicator : en
  • FR845639A - Control arrangement of fans of air-cooled motors : en fr
  • GB512192A - A new or improved inspection cover for aircraft wings, flotation bodies or other aerodynamical surfaces : en
  • FR845554A - New condensation products and their industrial uses : en fr
  • USD116382S - Design fob a combination desk unit : en
  • PL28767B1 - A self-winding method for ribbon iron and an apparatus for carrying out the method. : en pl
  • US2170844A - Hardening refractory metals : en
  • CH206848A - Urinal for women. : en fr
  • GB512237A - Improvements in and relating to the control of electric winding engines and the like : en
  • PL28612B1 - Ringhoffer - Tatra- Werke A. G., Prague. The crane is especially applicable to motor vehicles. : en pl
  • USD116423S - Design for a dress : en
  • PL28886B1 - Laurits Alfred Madsen, Helnas, pr. Ebberup. ^ A preparation for controlling fungus and fungus and the method of its preparation. : en pl
  • FR845766A - Faucet connector : en fr
  • GB512191A - Improvements in or relating to wheel-operated contact devices for railway axle-counting apparatus : en
  • GB512213A - Improvements in or relating to the manufacture of high pressure containers : en
  • US2170798A - Weighing scale : en
  • PL28826B1 - *** P4Z4, W *** P4Z4, W *** P4Z4, W : en pl
  • US2170905A - Clutch control : en
  • US2170976A - Production of hydrocarbon products by thermal treatment of materials containing carbon : en
  • US2170825A - Propionic acid synthesis : en
  • US2171313A - Universal joint : en
  • CH206800A - Control device for axial fans. : de en
  • US2170850A - Target toy : en
  • US2171329A - Rain detecting means : en
  • GB512064A - Improvements relating to the propulsion of aircraft : en
  • GB512276A - Oil scraper rings : en
  • FR845753A - Method and apparatus for the treatment of plantations and crops : en fr
  • IE15293L - Die-casting siphon bottle heads : en
  • US2171281A - Walking doll construction : en
  • US2170984A - Spring coiling machine : en
  • CA383645A - Plough : en fr
  • AU108553B2 - Improvements relating to built up steel truss roof members : en
  • CA383641A - Bentonite activating process : en fr
  • CH206646A - Parquet floor. : de en
  • CH206891A - A device for controlling the movements of ailerons, rudders, flaps and similar control surfaces on aircraft. : en fr
  • CA383739A - Self-parking windshield wiper : en fr
  • PL28728B1 - A method of visualizing the magnetic field and a test vessel for visualizing it in this way. Priority: June 17th: : en pl
  • PL28833B1 - Device for film reel advancing in cameras with automatic compensation of the feed rate according to the increase of the film reel diameter : en pl
  • AU361238A - Improvements in or relating to electrical transformer arrangements : en
  • DK56597C - Electron tube amplifier. : da en
  • CA383758A - Vending apparatus : en fr
  • CH206675A - Hangers. : de en
  • PL28868B1 - Simmonds Development Corporation Limited, London. 'Screw, secured against self-unscrewing. : en pl
  • FR845646A - Transport device for hot materials : en fr
  • US2171161A - Mining machine : en
  • US2171396A - Brake mechanism : en
  • GB512162A - Improvements in or relating to machines for cutting work blanks : en
  • US2170947A - Manufacture of rubber articles : en
  • DE680588C - Method and device for determining the sensitivity of the magnetic powder testing method to fault indication on magnetizable workpieces of any shape : de en
  • DE680597C - Procedure for the operation of overlay remote control systems : de en
  • GB512210A - Improvements in garment markers : en
  • AU174339A - Improvements in and relating to regulating transformers : en
  • GB512219A - Improvements in or relating to toilet articles : en
  • DE680573C - Overflow valve, especially for rotary lobe fluid pumps : de en
  • DK56609C - Method and Apparatus for Treatment. for example. Purification, of Fish. : da en
  • FI18578A - Anordning vid kolvar : en fi
  • GB512386A - Improvements in calendars : en
  • DE680371C - Process for applying a metallic, preferably solderable, coating to quartz glass or quartz-like glasses : de en
  • FR845564A - Spraying plant for printed or dyed textiles : en fr
  • GB511945A - Improvements in and relating to the production of titanium carbides : en
  • GB512409A - Improvements in metal mounts for printing blocks : en
  • PL28706B3 - MKP F4Jla 4/00 Akciova spolecnost dfive Skodovy zavody v Plzni, Prague and Bohdan Pantoflicek, Pilzno. Impact fuse. : en pl
  • FR845579A - Method and radio-emission installation for generating sliding guiding surfaces for flying machines : en fr
  • GB511970A - Improvements in or relating to alternating current frequency changers : en
  • GB512309A - Improvements in or relating to devices for facilitating the extraction of juices from fruit : en
  • FR845651A - Agglutinated permanent magnets : en fr
  • DE680407C - Tubular decorative cover for flowerpots made of rubber : de en
  • GB512079A - Improvements in the separation of nickel and copper : en
  • CA383680A - Electric valve converting system : en fr
  • US2171090A - Cotton tamper : en
  • GB512134A - Providing cast iron articles with a cell-like surface : en
  • DE680452C - Fire alarm device : de en
  • GB512183A - Improvements in and relating to cinematograph projection apparatus : en
  • PL28738B1 - Jan Noworyta, Lviv. A device for viewing or for projecting pictures. : en pl
  • US2171374A - Seat and deck construction for stadia : en
  • US2170981A - Vehicle bumper : en
  • CH206695A - Shoe insert. : de en
  • GB512042A - Improvements in or relating to thermionic valve circuits : en
  • DE680370C - Process for the production of gas-tight objects from quartz material : de en
  • DE680432C - Fuse for motor vehicles : de en
  • DE680604C - Method for the contact copying of lenticular lenticular films with cylindrical lens rastering onto lenticular lenticular films with cylindrical lens rasterization : de en
  • DK56602C - Switch for electric irons. : da en
  • CH206741A - Device for turning the impression cylinder on and off in relation to the forme cylinder of a rotogravure printing machine. : de en
  • GB512206A - Improvements in amusement apparatus of the roundabout type : en
  • FR845760A - Process for preparing gas and vapor absorbing bodies : en fr
  • US2171361A - Knob structure : en
  • USD116363S - Design for : en
  • GB511990A - Improvements in and relating to methods of and apparatus for determining the tensionin rolled strip material : en
  • GB512012A - Drafting machine : en
  • DE680556C - Carrying device for encapsulated log winches : de en
  • DK56615C - Rent. : da en
  • FR845758A - Rotating plate : en fr
  • US2171100A - Impulse type rotary crusher : en
  • DE680567C - Process for the catalytic pressure hydrogenation of carbons, tars, mineral oils or their distillation products : de en
  • GB512172A - Improvements in fluid pressure hammers : en
  • US2171006A - Manufacture of ceramic tubing : en
  • USD116340S - Design fob a finger ring : en
  • GB511965A - Manufacture of substituted anthraquinones and aroyl-benzoic acids : en
  • GB511956A - Improvements in or relating to the protection of electro-magnetic circuits, particularly in dynamo electric machines : en
  • GB512311A - Improvements relating to sintered compositions : en
  • USD116393S - Design fob a shoe rack : en
  • FR845704A - Process for the manufacture of articles made of rubber or a material similar to rubber, provided with coated reinforcements in the form of a network : en fr
  • GB512091A - Improvements in or relating to test indicators for long bores : en
  • DE680429C - Process for the separation of mixtures consisting of acetylene and alkyl or alkenyl acetylenes by absorption : de en
  • US2170974A - Two-stage supercharger : en
  • DE680489C - Process for the production of a polishing compound which is paste-like at room temperature : de en
  • FR845709A - Improvements relating to dry electric shavers. : en fr
  • CH206745A - Basic rangefinder on photographic or cinematographic cameras. : de en
  • DE680421C - Floating suction dredger with a bucket wheel mounted at the end of the suction line : de en
  • DE680584C - Switchgear, especially for electric stop displays in electric rail vehicles : de en
  • US2170919A - Method of making rubber articles : en
  • USD116409S - Design fob a dress : en
  • US2170879A - Bolster : en
  • US2171176A - Oil bath rotary : en
  • PL28733B1 - I. G. Farbenindustrie Aktiengesellschaft, Frankfurt n. M. Solid fuel for driving internal combustion engines. Priority: September 11 : en pl
  • US2170890A - Removable accumulator : en
  • FR845654A - Process for preparing from viscose cellulosic wool having a crimped character similar to that of wool : en fr
  • GB512399A - Improvements in or relating to lathe chucks : en
  • AU108345B2 - Improvements inthe manufacture and production of liquid or solid hydrocarbons or liquid or solid oxygen-containing derivatives of hydrocarbons : en
  • FR845645A - Improvements made to devices for the instruction and training of personnel in charge of listening to aerophonics : en fr
  • GB511947A - Improvements in or relating to time-recording receivers for containers : en
  • US2171031A - Tractor implement : en
  • US2171333A - Relay : en
  • PL28911B1 - Brander Farbwerke Ohemische Fabrik G. m. B. H., Brand-Erbisdorf. Wood preservative. : en pl
  • US2171045A - Detachable repair shoe heel member : en
  • DE680520C - Process for the removal of arsenic from Huettenmaennischen intermediate and waste products : de en
  • DK56619C - Detachable fork end for the rear wheel on bicycles and motorcycles. : da en
  • US2171387A - Mop wringer : en
  • CH206808A - Mufflers for internal combustion engines. : de en
  • CH206894A - Firing device for solid fuels on stoves and stoves. : de en
  • CH206913A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • DE680363C - Ball or roller bearing installation for delivery rollers of spinning, twisting and similar textile machines : de en
  • DE680472C - Switching device : de en
  • US2170930A - Transmission apparatus : en
  • PL28730B3 - Union Kupplung A. G., Luxembourg. vJ Automatic rail coupler. : en pl
  • CA383672A - Engine ignition system : en fr
  • DE680372C - Device for feeding synthetic resin molding compounds containing fiber to the metering device of a press : de en
  • BE435593A - : en
  • DE680392C - Process for the recovery of sulfur from materials containing sulfur in elemental form : de en
  • DE680561C - Process for the production of hollow metal bodies : de en
  • FR845667A - Ophthalmic frame : en fr
  • GB511959A - Improvements in or relating to starters of internal combustion engines : en
  • GB511999A - An improved stud fastener : en
  • DE680254C - Weather lock for mining subsidies : de en
  • US2170935A - Amusement device : en
  • DE680441C - Printing unit for cash registers and accounting machines : de en
  • GB512382A - Improvements in and relating to vacuum cleaners : en
  • PL28899B1 - A braking device that works with a medium under pressure. Patent dependent on patent No. 27303. : en pl
  • DK56607C - Method and Machine for Placing a Liner in a Light Metal Engine Cylinder. : da en
  • USD116348S - Design for a dress : en
  • PL28837B1 - Device for shifting the set of coupling wheels in counting machines and cash registers. : en pl
  • US2171011A - Treatment of wells : en
  • US2171171A - Well pump : en
  • US2171355A - Means for producing compound motion : en
  • AU108567B2 - Improvements in screw type fluid propelling apparatus : en
  • PL28853B1 - Method for the production of amino-substituted arsenic-formaldehyde disulfite compounds. : en pl
  • GB512256A - Improvements in or relating to fluid-tight joints : en
  • PL28786B1 - A method of joining the two ends of an audio film, consisting of a middle layer that serves as an audio carrier and two outer gelatin layers. : en pl
  • USD116417S - Design for a dress : en
  • PL28721B1 - An automatic device for the vehicle that signals stations and stops inside the vehicle. : en pl
  • CH206798A - Capsule compressor. : de en
  • US2171214A - Secondary electron emitting screen tube : en
  • US2171417A - Crankshaft grinding tool : en
  • CH206647A - Shutters with movable transverse boards, in particular for darkening purposes of passive air protection. : de en
  • CH206845A - Method for operating electrodeless fluorescent tubes in a high-frequency field. : de en
  • DE680405C - Closed overcurrent protection fuse : de en
  • DE680427C - Ironing stand for ironing men's large items : de en
  • PL28623B1 - Arkadiusz Piekara, Rydzyna. Device for converting direct current into higher voltage direct current. : en pl
  • CH206637A - Process for introducing small quantities of substances into a liquid stream and device for starting the process. : en it
  • AU500738A - Hydraulic disruption of solids : en
  • PL28678B1 - Mieczyslaw Pluta - Czachowski, Katowice and Aleksander Cebula, Wieliczka. Medical bank. : en pl
  • US2171273A - Adjustable thermostatic switch : en
  • USD116391S - Design for a textile fabric or : en
  • USD116416S - Design fob a textile fabric : en
  • US2170841A - Interchangeable utility bag : en
  • FR845716A - Switching reactance : en fr
  • GB512204A - Improvements in or relating to the method of and apparatus for drying materials in bulk, especially applicable to the dehydrating of wet peat : en
  • GB512375A - Sintered permanent magnets and method of manufacturing same : en
  • DE680393C - Conversion of acidic ammonium sulfite solutions to ammonium sulfate and sulfur : de en
  • FR845689A - Method of manufacturing a material suitable for making protective clothing : en fr
  • GB512083A - Improvements in gasfilled electric incandescent lamps : en
  • US2171019A - Hair-fastening device : en
  • US2171356A - Ruffle press : en
  • PL28856B1 - The method of fixing the tram rails in the pavement. : en pl
  • USD116429S - Design fob a shoe : en
  • US2171294A - Power and steering mechanism : en
  • CA383754A - Organic matter decomposition : en fr
  • USD116436S - Design for a textile fabric : en
  • GB512262A - Improvements in or relating to caps or stoppers for bottles or other containers : en
  • PL28680B1 - J0rgen Adolph Smith, Copenhagen. Device for the automatic phonographic transmission of an alarm initiated in a subscriber device over a subscriber telephone circuit. : en pl
  • FR845556A - Hydraulic shock absorber for motorcycle forks : en fr
  • GB512372A - Improvements in and relating to packings between the crank-case and the crank-shaft of two-stroke internal combustion engines : en
  • FI18581A - Airflow propellers : en fi
  • GB512159A - Improvements in and relating to apparatus for producing ground and polished glass strip : en
  • US2171316A - Multiple-way valve : en
  • US2171331A - Electric cord assembly for vacuum cleaners or the like : en
  • US2171452A - Seamless knitted stocking and method of producing same : en
  • USD116342S - Design fob a cuff link : en
  • PL28818B3 - : en pl
  • FR845624A - Hermetically sealed box : en fr
  • AU108332B2 - Improvements in or relating to electrical transformer arrangements : en
  • CA383696A - Wringer roll mechanism : en fr
  • CA383635A - Water pump : en fr
  • CH206793A - Spring-loaded sealing ring. : de en
  • US2171267A - Electric switch : en
  • US2171382A - Golf club grip and method of making the same : en
  • AU108341B2 - Improvements in non-knocking motor fuels : en
  • CA383717A - Freight transferring apparatus : en fr
  • US2170862A - Car truck : en
  • US2171060A - Floor surfacing machine : en
  • AU434038A - Improvements in and relating to docking andthe like irons : en
  • US2171196A - Frankfurter-forming apparatus : en
  • US2171225A - Grid electrode : en
  • US2171465A - Grinding mill : en
  • USD116418S - Design fob : en
  • GB512280A - Improvements in means for securing glazing in metal window frames : en
  • GR8457B - METHOD FOR THE MANUFACTURE OF DIPHENYLSULPHONE PRODUCERS. : el en
  • CH206794A - Lubrication device on built-in plain bearings. : de en
  • USD116395S - Design for a dress : en
  • AU108323B2 - Improvement in underfired coke ovens : en
  • CA383736A - Timber connector : en fr
  • CH206706A - Method and device for separating mixtures. : de en
  • US2170946A - Machine for forming bottle necks upon sheet metal tubs : en
  • PL28708B1 - : en pl
  • GB512138A - Improvements in or relating to windscreen wipers : en
  • CH206853A - Shower devices for medical, surgical and hygienic purposes. : de en
  • CH206924A - Converter circuit to achieve higher-phase ripple. : de en
  • DE680341C - Lining for centrifugal casting molds and method for introducing the lining : de en
  • GB512324A - Improvements in or relating to control means for regulating the carburation devices of internal combustion engines : en
  • GB512038A - Improvements in and relating to the production of albumen-containing plastic masses from urea or its derivatives and formaldehyde : en
  • GB512062A - Improvements in reflectors : en
  • CH206639A - Mower beam. : de en
  • US2171401A - Speed control mechanism for automotive vehicles : en
  • CH206691A - Washing machine. : de en
  • CH206792A - Piston sealing device. : de en
  • PL28701B1 - Tool for folding and sharpening pencils. : en pl
  • US2171124A - Magnetic impulse contactor : en
  • US2170838A - Power transmission : en
  • GB512108A - Improvements in or relating to electric communication systems : en
  • CA383733A - Moulding machine : en fr
  • CH206704A - Agent for the treatment of sea fish, which is brought together with the fish only for the purpose and only in such quantities that the unpleasant odor that otherwise occurs during their preparation is eliminated. : de en
  • CH206835A - Electromagnetic reciprocating motor. : en it
  • CH206914A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • AU108309B2 - Improvements in or relating to fur hat bat making machines : en
  • AU108573B2 - Improvements in or relating to automatic hunting switch or like circuit arrangements for use for example in telephone systems : en
  • GB512395A - A process for desulphurising mineral oils : en
  • PL28742B1 - : en pl
  • AU350138A - Improvements in or relating to machines for making glass-to-metal seals : en
  • GB512408A - A process for producing isobutane from normal butane : en
  • CH206861A - Telecontrol system. : de en
  • CH206877A - Device on vehicles with a rear engine for cooling the same by means of a fan. : de en
  • CH206866A - Holding device for shafts and the like, in particular for the display of goods. : de en
  • US2171306A - Welding rod : en
  • USD116365S - Design for a lace : en
  • US2170832A - Abrasive throwing machine : en
  • US2171128A - Instrument holder : en
  • AU352138A - Improvements inthe construction of collapsible boxes or cartons : en
  • GB512369A - An improved catalytic process for vapour phase reactions : en
  • US2171008A - Engine choke : en
  • US2171418A - Carton machine and method of forming cartons : en
  • PL28654B1 - Calibration method for rolls for rolling mills for drawing or reducing full or empty sections of rolled materials. : en pl
  • PL28832B1 - Rinsing method in a trough with a permanent bearing, e.g. carbon. : en pl
  • SU55545A1 - The method of mounting the blades in the groove of the steam turbine rotor : en ru
  • US2171296A - Ore grinder : en
  • US2171028A - Stand for supporting light projecting or light receiving units : en
  • CH206882A - Stud chain mounted on tires of carts for driving on soft ground. : de en
  • DE680327C - Process for the production of hydrocarbon oils by pressure hydrogenation of solid carbon-containing starting materials : de en
  • DE680632C - Device for drying paper or cardboard sleeves : de en
  • GB512171A - Improvements in or relating to means for supplying extra air to the induction manifolds of internal-combustion engines : en
  • US2171395A - Treatment of rubber : en
  • AU258139A - Improvements inthe manufacture and production of liquid or solid hydrocarbons or liquid or solid oxygen-containing derivatives of hydrocarbons : en
  • PL28690B1 - Elektrotechnische Fabrik Schmidt & Oo. Gesellschaft m. B. H., Podmokly. Electric gas igniter. : en pl
  • US2170811A - Method of forming cold-worked articles : en
  • CA383746A - Headlight tester : en fr
  • DE680570C - Device for roasting and roasting on a wire rack : de en
  • DE680454C - Process for the production of copper oxychloride : de en
  • FR845749A - Flexible Metal Trim Strip for Shoe Sole : en fr
  • GB512246A - Improvements in and relating to photographic flashlight apparatus : en
  • GB512041A - Improvements in or relating to boots, shoes, sandals and the like : en
  • PL28861B1 - A method of coating the inner surfaces of pipes and a device for applying this method. : en pl
  • DE680312C - Method for producing a plastic mass : de en
  • DE680403C - Devices for dampening rolling movements in vehicles : de en
  • PL28693B1 - MKPFHc 9 / OH Mechanical time fuse for artillery shells. : en pl
  • PL28607B1 - Otto Siemen, Itzehoe and Johannes Hinsch, Itzehoe. Rotary pump for liquids with a paddle wheel. : en pl
  • US2171036A - Breaker strip and fitting : en
  • US2170906A - Collapsible display carton : en
  • PL28882B1 - : en pl
  • US2171339A - Container for rouge and the like : en
  • CH206730A - Method for eliminating the unpleasant odor attached to nigrosines and indulins. : de en
  • CH206770A - Device for pressing the can fold of folded cans. : de en
  • US2171250A - Olefin polymerization : en
  • CH206854A - Device for checking the parking time of a vehicle. : de en
  • FR845552A - Improvements to discharge lamps : en fr
  • GB512034A - Improvements in and relating to quick-release hose couplings or connections : en
  • DE680243C - Electrode holder for electrical discharge vessels : de en
  • DE680468C - Manufacture of arsenates : de en
  • USD116422S - Design fob a woven textile fabric : en
  • US2170918A - Control for multiunit power generating systems : en
  • US2171053A - Fishing rod and ski clamp and carrier : en
  • BE434230A - : en
  • US2170989A - Alkyl halo-diphenyloxides : en
  • US2171137A - Lamp shade and covering therefor : en
  • AU145639A - Improvements in or relating to method of facing walls, building blocks and parts thereof : en
  • CH206759A - Electrical power meter. : de en
  • US2171013A - Folding baby carriage : en
  • US2171030A - Automobile truck : en
  • CH206926A - Self-seller. : de en
  • PL28694B1 - The method of gluing artificial silk and the method of producing glue. : en pl
  • PL28758B1 - and similar measures. : en pl
  • US2170876A - Machine for surface hardening metal articles : en
  • AU364038A - Improvements in auxiliary electrodes in electric discharge devices : en
  • US2171145A - Luminescent material : en
  • US2171167A - Time recorder mechanism : en
  • US2171435A - Electric arc furnace : en
  • FR845616A - Support and drive device for films : en fr
  • GB511973A - Improvements in or relating to the washing of solid materials in granular or like form : en
  • DE680238C - Process for reducing the consumption of smelted coke when refining iron ores mixed with aggregates in the blast furnace : de en
  • DE680533C - Device for treating textile goods, in particular stamping, on molds : de en
  • AU108312B2 - Improvements in or relating to machines for making glass-to-metal seals : en
  • US2171257A - Internal combustion engine : en
  • US2171485A - Treating artificial filaments : en
  • US2171308A - Rotary tooth brush : en
  • CH206660A - Device for actuating cistern. : de en
  • CH206749A - Arrangement for visualizing magnetic field images with the help of a ferromagnetic suspension placed in a test vessel. : de en
  • CH206867A - Collapsible umbrella frame. : de en
  • AU108132B2 - Synthesis of higher aliphatic hydrocarbons : en
  • US2170964A - Device for controlling electric circuits : en
  • PL28666B1 - Tatra-Werke, Automobil- und Waggonbau A. G., Prague-Smichov. The layout of the drive unit in cars. : en pl
  • CH206810A - Rotary vane internal combustion engine. : de en
  • PL28630B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m. B. H., Berlin. A circuitry for regulating the emissions of discharge lamps. : en pl
  • PL28809B1 - : en pl
  • US2170814A - Method of preparing copper powder : en
  • GB512168A - Fixing socket for use with building structures of cement, concrete, or similar materials : en
  • CH206667A - Process for removing carbon oxide by converting it into carbonic acid by means of steam in the presence of a catalyst from purified fuel gases. : de en
  • CH206697A - Pinch mouthpiece on pinch machines. : de en
  • DE680563C - Propeller with automatically adjustable wing adjustment : de en
  • PL28629B1 - : en pl
  • US2171388A - Method and means for binding fibrous building material : en
  • DE680560C - Process for the production of opaque oxide layers on alloys of aluminum and magnesium : de en
  • US2171189A - Chair : en
  • PL28801B1 - A method for the treatment of waste liquors obtained in the production of cellulose. : en pl
  • PL28774B1 - A method for the preparation of readily soluble derivatives of sparingly soluble azo dyes containing at least one hydroxyl group. : en pl
  • US2171116A - Christmas tree decoration : en
  • PL28627B1 - Mixed hard metal carbide alloy and method of producing it. : en pl
  • US2170951A - Continuous power eccentric dual gear speed reducer : en
  • PL28859B1 - A method of determining the quality and quantity of nutrients that should be brought to a specific soil in order to achieve the highest possible yield, and a device for carrying out this method. : en pl
  • GB511972A - Improvements in or relating to the separation of minerals : en
  • DK56605C - Method of Preparing a Gonadotropic Pituitary Hormone Formulation Useful for Injection : da en
  • FR845555A - Safety bolt : en fr
  • FR845670A - Improvements to ski attachments : en fr
  • FR845796A - Rotating frequency reducer, more particularly suitable for electromagnetic hammers : en fr
  • CA383695A - Duplicating mechanism : en fr
  • FR845772A - Apparatus for determining and measuring mechanical phenomena by means of electricity : en fr
  • US2171147A - Method of and apparatus for controlled air conditioning : en
  • CA383634A - Water pump : en fr
  • GB512164A - Improvements in and relating to appliances for testing synchronization in photographic flash light and shutter apparatus : en
  • FR845630A - Improvements to the insoles : en fr
  • GB512028A - Improvements in or relating to thermionic valve circuits : en
  • GB512352A - Improvements relating to emulsifying and homogenising apparatus : en
  • DE680646C - Method and apparatus for producing a pulp binder mass : de en
  • US2170915A - Collar passing pressure stripper : en
  • DE680334C - Arrangement for the elimination of disturbances in an electrical display device influenced by external fields or the like, to which the measuring current is supplied via a controlled partial wave rectifier : de en
  • DE680477C - Storage area for storing potatoes : de en
  • GB512100A - Improvements in or relating to bearings and bearing housings : en
  • FR845634A - Improvements to cartridge bands for automatic firearms : en fr
  • US2171504A - Measuring tape : en
  • FR845771A - Improvements made to internal combustion engine feed systems with gasifier gases : en fr
  • GB512242A - Magneto strictive devices and electrical and electro-mechanical systems therefor : en
  • US2170801A - Chlorination : en
  • AU16339A - Improvements in and relating tothe operation of vertical carbonising retorts : en
  • DE680612C - Flat weft knitting machine for the production of a stocking in one operation : de en
  • FR845608A - Machine for making biscuits and similar articles : en fr
  • DE680582C - Device for separating relatively stiff, vertically stacked workpieces by means of cyclically operating suction cups : de en
  • GB512249A - Improvements in duplicating machines : en
  • GB512086A - Improvements in or relating to compound-expansion, two-stroke internal combustion engines : en
  • GB512092A - Process and apparatus for dissloving cold swelling starch products in aqueous liquids : en
  • FR845685A - Control device for sewing machines : en fr
  • FR845690A - Double twist twist spindle : en fr
  • DE680412C - Device for the artificial production of ice flowers, frost or the like on shop windows, showcases or the like for advertising purposes : de en
  • DE680587C - Arrangement for hanging measuring instruments : de en
  • DE680652C - Screw sheathing : de en
  • USD116345S - Design for a cake box : en
  • GB512279A - Improvements in or relating to internal shoe drum brakes : en
  • FR845642A - Support for photocell : en fr
  • PL28822B1 - : en pl
  • FR845661A - Polymerization process : en fr
  • GB512173A - Improvements in thermionic valve circuits : en
  • GB512319A - Improvements in or relating to apparatus adapted to radiate energy and reflectors therefor : en
  • US2171279A - System of converting direct current : en
  • GB512225A - Improvements in and relating to grinding or abrading machines : en
  • US2170985A - Sign composing apparatus : en
  • USD116408S - Design fob a dress ensemble : en
  • GB512111A - Process for the clarification of fouled regenerating baths used in the manufacture of regenerated cellulose from viscose : en
  • GB512284A - Improvements in or relating to super-heterodyne receivers : en
  • CA383666A - Closure cap : en fr
  • GB512350A - Improvements in means for controlling the excitation of dynamo electric machines : en
  • FR845700A - Internal combustion engine with injection : en fr
  • FR845675A - Thruster handlebars for cycles : en fr
  • FR845761A - Device for fixing the glass of automobile headlights, cycles, etc. : en fr
  • GB512321A - Improvements in and relating to folding hoods for automobile or like vehicles : en
  • FR845609A - Heavy oil diffuser and economizer for internal combustion engines and others : en fr
  • DE680559C - Device for handling metallic objects : de en
  • US2171287A - Oil well pumping transmission : en
  • US2171466A - Vehicle parking device : en
  • USD116410S - Design for a dress ensemble : en
  • GB512073A - Improvements in or relating to connecting members such as socket-headed screws : en
  • GB512223A - Improvements in centrifugal pumps : en
  • PL28895B1 - Device for freezing ice cream. : en pl
  • US2170961A - Relay : en
  • DE680626C - Device for treating rayon threads u. like : de en
  • GB511996A - Process for the manufacture of reinforced glass : en
  • DE680417C - Cylinder lock to be attached to a door lock : de en
  • DE680609C - Device for converting multi-phase current into single-phase current of lower frequency : de en
  • DE680624C - Process for the production of belts : de en
  • PL28674B1 - The Bristol Airplane Company Limited, Bristol. Auxiliary regulating device for setting the gas throttle of the internal combustion engines of overhead vessels. : en pl
  • US2170975A - Water-treating apparatus : en
  • US2171012A - Hose supporter : en
  • US2171055A - Belt and belt connector : en
  • CA383698A - Thermionic oscillograph : en fr
  • PL28653B1 - A method of discharging molten metal from an electrolysis vessel lined with electrode carbon, and an apparatus for carrying out the method. : en pl
  • PL28896B1 - Method for the production of cyclic aminosulfamide derivatives. : en pl
  • FR845644A - Shock and vibration damper : en fr
  • US2171352A - Emergency brake apparatus for motor road vehicles : en
  • AU108295B2 - Improvements in monolithic structures : en
  • AU50439A - Method of treating seeds and cereal grains : en
  • GB512141A - Improvements in or relating to radio receiving sets : en
  • GB512373A - Improvements in or relating to the circulation of liquid in photographic baths : en
  • US2171334A - Electrical insulation : en
  • US2171467A - Safety control : en
  • CH206904A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • US2170959A - Photographic camera : en
  • GB511958A - Improvements in or relating to shoe upper conforming machines : en
  • USD116378S - Design fob a necklace : en
  • PL28754B3 - A method of producing cold with a large difference between the temperature of the cold produced and the temperature of the cooling water. : en pl
  • US2170843A - Method of making calcium phosphate products : en
  • US2171216A - Cathode ray electrical measuring device : en
  • US2171290A - Method of making clay products : en
  • FR845656A - Material sorter : en fr
  • GB512291A - Improvements in and relating to drilling and like machine tools : en
  • US2170794A - Remote control for transmissions : en
  • US2171080A - Induction heat transformer : en
  • USD116362S - Design for : en
  • DE680453C - Movement with gear regulator synchronized by a synchronous motor : de en
  • US2171317A - Refrigerator car : en
  • US2171059A - Universal joint : en
  • US2171434A - Beam-type housing structure : en
  • PL28760B1 - Method for cleaning soot. : en pl
  • PL28869B1 - : en pl
  • FR845657A - Piston machine working with transformation or production of heat : en fr
  • FR845767A - Construction system applicable to ovens or hearths of all systems, of medium or large capacity, by means of independent refractory elements of uniform conformation and dimensions : en fr
  • PL28935B1 - : en pl
  • PL28642B1 - : en pl
  • PL28650B1 - Kazimierz Wincenty Wegrzecki, Warsaw, Waclaw Aleksander Wegrzecki, Warsaw and Ryszard Tadeusz Wegrzecki, Warsaw. Welding torch protective cover. : en pl
  • DE680359C - Process to prevent sintering of magnetizable metal powder during annealing : de en
  • FR845800A - Improvements to mechanical energy transmission systems : en fr
  • CH206760A - Balance wheel for watch movements. : en fr
  • FR845561A - Spherical joint and its manufacturing process : en fr
  • GB512165A - Improvements relating to apparatus for conditioning or purifying air by means of high tension electric discharge : en
  • GB512182A - Improvements in the manufacture and production of oxidation products of olefine glycols : en
  • GB512190A - Improvements in automatic stabilizing devices for aircraft : en
  • GB512379A - Improvements in water-cooling systems for underfeed stokers : en
  • GB512043A - Improvements in loud speaker telephone installations : en
  • CH206888A - Light day signal system. : de en
  • US2170863A - Process for melting up light metal scrap : en
  • GB512412A - Improvements relating to electric resistance heaters : en
  • US2171227A - Secondary electron emitter and method of making it : en
  • US2171430A - Musical instrument : en
  • USD116404S - Design for a dress : en
  • PL28621B1 - Tatra-Werke, Automobil- und Waggonbau A. G., Prague-Smichov. Mixed drive all-terrain vehicle. : en pl
  • USD116413S - Design fob a textile fabric : en
  • US2171139A - Regenerative radio receiver : en
  • PL28840B3 - Method for the preparation of disubstituted carbamic acid esters. : en pl
  • SU55534A1 - Multi-spindle automatic tapping machine : en ru
  • DE680396C - Process for the production of water-insoluble pectin esters : de en
  • DE680446C - Sewing machine with a device for cutting through the thread chain connecting successive workpieces : de en
  • US2170877A - Venetian blind : en
  • US2171091A - Streamline body for motor vehicles with air-cooled rear engines : en
  • CA383673A - Magneto generator : en fr
  • GB511939A - Improvements in and relating to machine gun locks : en
  • US2170956A - Method for refining rosin : en
  • US2170875A - Clutch control mechanism : en
  • GB512074A - Improvements in or relating to revolving doors : en
  • FR845762A - Bright decorative pattern for bicycle headlights : en fr
  • US2170865A - Propeller blade : en
  • US2171162A - Mining machine : en
  • PL28681B1 - : en pl
  • PL28695B1 - A method for preventing errors caused by shrinkage of the film copies in the projection of color raster films, and an apparatus for carrying out the method. : en pl
  • PL28930B1 - Fichtel & Sachs fl. G., Schweinfurt Connection of a freewheel hub with a closed cover, equipped with a reverse brake and driven by a gear from the engine located in the vehicle's drive wheel, with the vehicle frame : en pl
  • US2171353A - Method for the utilization of waste heat : en
  • FR845792A - Aerodynamic vehicle with engine at the rear : en fr
  • PL28827B3 - Stanislaw Herman, Mikolów. Gas mask or similar protective device. : en pl
  • US2171158A - Speed reducing mechanism : en
  • US2171436A - Electric arc furnace : en
  • US2170997A - Tube cleaner : en
  • AU411538A - Improvements relating to television transmission and to methods of reducing or eliminating thed. C. and low frequency components in television waves : en
  • CA383756A - Sheet metal expanding apparatus : en fr
  • AU353538A - Amplifier with negative feedback : en
  • PL28755B1 - Aluminum alloy. : en pl
  • PL28813B1 - Marconi's Wireless Telegraph Co. Ltd., London. 'Directional radio reception system. : en pl
  • US2171063A - Flametight switch housing : en
  • US2171212A - Electron discharge device : en
  • US2171291A - Combined carburetor and fume eliminator innerlock for internal combustion engines : en
  • US2170949A - Process of preparing adhesive sheets : en
  • USD116367S - Design for a braided fabric or : en
  • CH206879A - Gripper device on rubber-tyred motor vehicle wheels. : de en
  • FI18573A - Flame retardant system : en fi
  • DE680388C - Upper structure loom with shafts suspended from the side : de en
  • DE680418C - Door lock for cars : de en
  • US2171344A - Bimetallic strip : en
  • DE680476C - Electric discharge lamp or fluorescent tube with mercury vapor filling and a luminophore layer attached to the inside : de en
  • GB511978A - Improvements in or relating to shell or hollow structural members particularly for use in aircraft and aircraft construction : en
  • GB512051A - Improvements in projectiles : en
  • FR845610A - Step-by-step telegraph systems and apparatus : en fr
  • PL28723B1 - A method of producing glass fibers or similar melting masses, and an apparatus for carrying out the method. : en pl
  • US2171023A - Rubber faucet extension : en
  • US2171481A - Signal device : en
  • US2171236A - Process of knitting : en
  • FR845750A - Improvements to the propulsion system of bicycles : en fr
  • GB512026A - Improvements in or relating to apparatus for the treatment of yarns and other filamentary materials : en
  • BE435443A - : en
  • CA383690A - Centrifugal separator : en fr
  • PL28800B1 - Lubelska Wytwórnia Samolotów Limited Liability Company, Lublin. Powder for welding aluminum and its alloys. : en pl
  • SU55434A1 - Machine for determining the shear resistance of soils : en ru
  • USRE21183E - Reflection shooting procedure for : en
  • PL28772B1 - Radio Corporation of America, New York, N.Y. Mesh detector connection system. : en pl
  • PL28880B1 - : en pl
  • US2170884A - Telegraph transmitter : en
  • US2171398A - Apparatus for homogenizing powdered mixtures : en
  • US2171130A - Bag-closing apparatus : en
  • US2171201A - Process for purification of laundry waste : en
  • AU402938A - Improvements in screw type fluid propelling apparatus : en
  • CA383748A - Tractor hitch and brake : en fr
  • PL28877B1 - : en pl
  • SU55570A1 - Adrenaline Purification Method : en ru
  • US2170939A - Windshield wiper clip : en
  • US2171175A - Collapsible tube closure : en
  • US2171181A - Metal feeding apparatus : en
  • US2171240A - Blow-off valve : en
  • USD116351S - Design for a coat : en
  • US2171321A - Coffee-making apparatus : en
  • PL28766B1 - Radio Corporation of America, New York, n. Y. H (y j and Connection system of the optical tuning pointer. : en pl
  • US2170999A - Head assembly for grab buckets : en
  • US2171475A - Method of fixing cloth finishes : en
  • US2171426A - Vehicle roof construction and method of assembly : en
  • US2171166A - Condensation product from p-di-chlorbenzol and sulphuric anhydride and its derivatives : en
  • FR845788A - Clothes protector : en fr
  • GB512045A - Improvements in paper containers : en
  • GB512298A - Improvements in means for cooling the oil supply for the engines of rear-engined motor vehicles : en
  • FR845603A - Method and device for fixing conductor cables in lugs : en fr
  • FR845740A - Device for remotely activating machine guns and firing them electrically : en fr
  • CH206662A - Fish tape. : de en
  • DE680678C - Method of preserving wooden poles : de en
  • DE680627C - Flat vaulted reinforced concrete ceiling : de en
  • DE680641C - Surface grinding and polishing device for hard materials of various hardnesses, especially for stone : de en
  • FR845717A - Adjustment device for cylinder train engines, etc. : en fr
  • CH206786A - Self-locking nut. : de en
  • FR845604A - Machine for digging mica insulation between copper blades of electrical machine collectors : en fr
  • GB512252A - Method of manufacturing a selenium rectifier : en
  • GB512308A - Improved method of producing a luminescent layer on a support : en
  • DE680577C - Blind dimming device : de en
  • AU108296B2 - Improvements in or relating to insulated electric conductors : en
  • FR845569A - Process for coating, with sheets based on polyvinyl chloride, articles made of wood, cement, concrete or porous substances which do not conduct heat : en fr
  • US2171427A - Wrapping material : en
  • US2170907A - Car coupler : en
  • US2170969A - Packer for solid refrigerants : en
  • AU27739A - Improvements in airconditioning apparatus : en
  • GB512013A - Improvements in or relating to regulators : en
  • USD116349S - Design for a bottle : en
  • GB512160A - Improvements in training devices for motor vehicle drivers : en
  • US2170893A - Brake : en
  • FR845648A - Darkening device for glass roofs : en fr
  • GB511960A - Improvements in or relating to blind stitch sewing machines : en
  • US2171310A - Shoehorn : en
  • US2171300A - Method of producing ferrous sheet material : en
  • CH206659A - Closing facility. : de en
  • CH206753A - Firearm with telescopic sight. : de en
  • GB512380A - Improvements relating to the physical conditioning of grain preparatory to milling : en
  • GB512046A - Foot-wear with ventilation of the interior : en
  • GB512167A - Improvements in or relating to electric fires : en
  • GB511983A - Improvements in amplifying and frequency-changing circuits : en
  • PL28793B1 - The method of producing casein fibers. : en pl
  • GB512050A - Improvements in and relating to motor vehicle gearing : en
  • GB512095A - Improvements in seats more particularly for automobiles : en
  • PL28727B1 - Intertype Corporation, Brooklyn, n. Y. A line folder for the photographic production of line patterns for printing, particularly offset and gravure printing. : en pl
  • PL28779B1 - A method of producing patterns on flat textile products containing fiber. : en pl
  • US2170833A - Di-phenyl mono-ortho-chlorphenyl phosphite : en
  • PL28762B1 - Hazeltine Corporation, Jersey City, New Jersey. Coupling system. : en pl
  • PL28891B1 - Vereinigte Eisenbahn- Signalwerke JJ ^ 'U Gesellschaft mit beschrankter Haftung, Berlin-Siemensstadt. Cylinder positioner for electrical safety devices in railway traffic. : en pl
  • USD116361S - Design for an alphabet for forming : en
  • PL28711B1 - 0. Lorenz Aktiengesellsohaft, Berlin-Tempelhof. Electric capacitor. : en pl
  • US2170892A - Magnetogenerator : en
  • US2171187A - Dustpan : en
  • US2171507A - Method of calcining lime : en
  • US2170945A - Crinkled paper tube and method of forming same : en
  • USD116341S - Design for a counterbore : en
  • AU440638A - Improvements relating tothe cooling coils of refrigerators : en
  • CA383705A - Sausage patty machine : en fr
  • CH206649A - Shutters with movable cross-boards, especially for darkening according to the regulations of passive air protection. : de en
  • US2171365A - Automatic holding and releasing device : en
  • US2170810A - Machine for forming cold wrought products : en
  • US2171477A - Counter transfer and clearing : en
  • US2171495A - Ethers of polyhydroxy halogenated phenols : en
  • BE435516A - : en fr
  • CA383669A - Picture transmission apparatus : en fr
  • USD116407S - Design for a dress : en
  • AU349938A - Improvements in crown seals for bottles jars andthe like : en
  • BE435039A - AGGLOMERATED FIBROUS PRODUCTS, AND METHOD AND APPARATUS FOR THE MANUFACTURE OF THE SAME : en fr
  • US2170902A - Carburetor air cleaner and silencer assembly : en
  • US2171087A - Switch retainer construction : en
  • CH206906A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • DE680537C - Control for rotating scissors, in which the constantly rotating scissor motor is accelerated or decelerated depending on the knife angle : de en
  • DE680511C - High-voltage protective cover for discharge vessels, especially X-ray tubes : de en
  • CH206654A - Sheet iron radiators. : de en
  • DE680603C - Process for producing rasterized images : de en
  • PL28857B1 - A method of producing condensation products from heterocyclic compounds with a five-ring ring system and an aldehyde. : en pl
  • PL28613B1 - Carl Hamel Aktiengesellschaft, Siegmar near Chemnitz. Drum for thread guiding in cross coils. : en pl
  • PL28679B1 - Method of obtaining gonadotropic hormones from the serum of fetal mares. : en pl
  • US2171280A - Securing attachment to wire cables : en
  • US2171414A - Shoe : en
  • PL28791B1 - Julian Popowicz, Warsaw. Suitcase that can be converted into a bed. : en pl
  • GB512114A - Improvements in and relating to fuel injection nozzles for internal combustion engines : en
  • US2171159A - Azo compounds and process for coloring therewith : en
  • US2170853A - Method of making pipe fittings : en
  • GB512017A - Improvements in or relating to suction cleaners : en
  • GB512202A - Improvements in ventilating devices for water closets : en
  • GB512293A - Improvements in or relating to apparatus for controlling the revolution of chuck-driving spindle in head-stock for high speed lathe : en
  • AU108271B2 - Improvements in or relating to interelectrode neutralization of frequency convertors suitable for use in superheterodyne radio and like receivers : en
  • AU127939A - Locomotive boiler fireboxes : en
  • PL28726B1 - : en pl
  • US2171153A - Pavement : en
  • US2171381A - Side wall construction for vehicle bodies : en
  • AU108555B2 - Improvements in and relating to scarifiers and like implements having flexible frames : en
  • US2171488A - Tray ob baseboard for use with : en
  • CA383623A - Stopper for bottles and jars : en fr
  • CA383740A - Delay action electro-responsive device : en fr
  • US2170943A - Disruptive or brisant explosive composition : en
  • US2171422A - Automatic hair waving comb and clamp device : en
  • PL28757B1 - : en pl
  • CH206850A - Removable sled. : en fr
  • PL28677B3 - Glass tempering method. : en pl
  • US2171106A - Steam locomotive : en
  • PL28849B1 - A way to prevent mildewing in products, especially food products. : en pl
  • US2171072A - Carpet-cleaning machine : en
  • US2171177A - Power transmission : en
  • US2170925A - Belt drive : en
  • US2170990A - Methallyl ethers of phenylphenols : en
  • US2171222A - Process for the preparation of salts of cellulose ether carboxylic acids : en
  • AU39539A - Improvements in or relating to furnaces fed with solid fuel by gravity froma hopper adjacent the grate : en
  • CA383654A - Rotable sleeve valve and manifold : en fr
  • DE680613C - Flat weft knitting machine : de en
  • FR845745A - Vulcanized rubber regeneration process : en fr
  • US2171085A - Labeling machine for bottles and the like : en
  • US2171083A - Metallic abrasive : en
  • US2171411A - Notebook : en
  • CA383710A - Power operated steering device : en fr
  • CH206740A - Die setting and line casting machine. : de en
  • CA383706A - Titanium iron ore processing : en fr
  • CH206927A - Circuit arrangement for repeated signaling, especially in signal systems for hotels, hospitals or the like. : de en
  • DE680482C - Method and device for the production of doll head moldings : de en
  • DE680548C - Three-tier four-stroke control switch for parallel, individual and series connection of heating resistors : de en
  • FR845710A - Cylinder head for 4-stroke engines : en fr
  • FR845759A - Thermostatic control : en fr
  • AU258039A - Improvements inthe manufacture and production of liquid or solid hydrocarbons or liquid or solid oxygen-containing derivatives of hydrocarbons : en
  • CH206726A - Process for the preparation of a new anthraquinone dye. : de en
  • AU440738A - Process forthe manufacture ofa dough admixture and baked foods using such dough admixture : en
  • CH206701A - Device for mincing meat. : de en
  • DK56594C - Method for carrying out addition reactions in which carbon monoxide is added at elevated temperature and pressure to organic compounds which are either alcohols or can be converted to such by hydrolysis. : da en
  • CH206678A - Food can. : de en
  • DE680495C - Suspension of a railway engine : de en
  • FR845582A - Motor vehicle chassis with forked central spar : en fr
  • CA383687A - Aldehyde catalytic oxidation : en fr
  • DE680329C - Process for the production of a condensation product : de en
  • FR845584A - Absorption refrigerator : en fr
  • US2171265A - Aircraft trim indicator : en
  • US2171380A - Safety device for automatic burners : en
  • PL28715B1 - A method of producing elongated objects from plastic materials. : en pl
  • PL28799B1 - Screw cap recessed into windows or doors. : en pl
  • PL28808B1 - : en pl
  • US2171082A - Metallic abrasive : en
  • PL28722B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m. B. H., Berlin. f Multi-circuit receiver with equalizing capacitors for coils of different wave ranges. : en pl
  • PL28788B1 - A method of producing patterns on fabrics. : en pl
  • US2171112A - Lipstick container : en
  • AU399238A - An improved automatic stoker for furnaces : en
  • PL28814B1 - Clamp for electric railroad contact wires. : en pl
  • US2171298A - Rate of climb indicator : en
  • USD116385S - Design for a textile fabric or : en
  • FR845686A - Excitation device for ignition electrodes : en fr
  • US2170954A - Seasoning composition : en
  • DE680390C - Device for cooling beer and trub wort : de en
  • US2171007A - Glass-engraving machine : en
  • GB512151A - Improvements in and relating to electric transformers : en
  • FR845621A - Impression mass : en fr
  • DE680414C - Slidable roof for car body with streamlined rear : de en
  • GB512208A - Improvements in steel alloys : en
  • GB511949A - Improvements relating to hydraulic control mechanisms : en
  • DE680304C - Aqueous bath for electrolytic copper plating of metals and procedures for carrying out the copper plating : de en
  • DK56595C - Process for the Preparation of 2,4-Dioxo-3,3-dialkyl-tetrahydropyridine-6-carboxylic acid esters or the corresponding free acids. : da en
  • GB511967A - Improvements in or relating to episcopes : en
  • DE675047C - Arrangement for speed control of stand-fed three-phase shunt collector motors : de en
  • DE680398C - Device for turning over printed paper webs : de en
  • BE435410A - Mechanism for recording various times : en fr
  • CA383715A - Fastener element supplying device : en fr
  • CH206771A - Device for making sharp-edged or obtuse-edged holes. : de en
  • PL28729B1 - A method of obtaining hard tar by distilling coal tar and other fluids using hot flue gases. : en pl
  • CH206840A - Method for starting up an induction furnace fed by a grid-controlled converter and operating in a resonance circuit with a capacitance. : de en
  • USD116353S - Design fob a mirror : en
  • CH206748A - Photosensitive layer. : de en
  • FR845635A - Welding equipment : en fr
  • AU108542B2 - Improvements in and relating to regulating transformers : en
  • CA383643A - Ball making machine : en fr
  • CH206658A - Ring fusion between a ceramic and a metallic part. : de en
  • CH206903A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • PL28854B3 - Robert Bosch Aktiengesellschaft, Stuttgart. Starter for internal combustion engines. : en pl
  • US2171343A - Car coupling : en
  • PL28718B3 - Device for emptying removable garbage barrels. : en pl
  • US2170831A - Abrasive throwing machine : en
  • PL28683B1 - Alessandro Beldimano, Rome and Ettore Manzolini, Rome. Wind turbine. : en pl
  • AU407638A - Improvemennts relating to lamps comprising electric discharge tubes for the production of light by the combination of colours therefrom : en
  • AU349738A - Improvements in or relating to automatic hunting switch or like circuit arrangements for use for example in telephone systems : en
  • CH206816A - Arrangement for suppressing the disturbing harmonics of electrical equipment connected to three-phase networks with an iron core. : de en
  • USD116420S - Design fob a textile fabric ob : en
  • US2171347A - Time delay relay : en
  • CH206732A - Process for the production of an indigoid vat dye. : de en
  • GB512010A - Prefill valves for hydraulic presses : en
  • GB512333A - Improvements in or relating to electric motor control systems : en
  • SU55583A1 - Moving device for unloading bulk materials from railway platforms : en ru
  • CH206708A - Process for the production of a product, which is particularly suitable for detergents, softening agents and water softeners and consists at least for the most part of sodium tripolyphosphate of the formula Na5P3O10, from a melt in which the ratio of Na2O: P2O5 is between 1.5: 1 and 1.77: 1 lies. : de en
  • CA383759A - Signalling system and apparatus : en fr
  • US2171489A - Ashtray and cigarette extinguisher : en
  • AU2639A - Improvements in or relating to electric discharge tubes : en
  • US2171104A - Vehicle bumper : en
  • US2171340A - Material processing apparatus : en
  • SE96683C1 - : sv
  • US2171038A - Separable hinge : en
  • PL28636B3 - : en pl
  • PL28890B1 - A device for obtaining oxygen needed to rescue people who are poisoned by gases. : en pl
  • US2171302A - Gasketed fitting : en
  • US2171071A - Casket table for hearses : en
  • PL28615B1 - : en pl
  • CA383725A - Drying and grinding apparatus : en fr
  • FR845696A - Articulation device of oscillating half-axles, oscillating axles, connecting rods, etc., to tubular chassis parts : en fr
  • GB512125A - Improvements relating to lubricated bearing surfaces : en
  • CH206856A - Circuit arrangement for the distribution of a sequence of pulses. : de en
  • BE435393A - : en
  • CH206694A - Welt shoe. : en fr
  • AU108305B2 - Amplifier with negative feedback : en
  • BE435710A - : en
  • CA383648A - Door closer : en fr
  • US2171444A - Brush : en
  • PL28668B1 - Apparatus for the taking and playing of picture or sound-image films. Patent dependent on patent No. 25909. : en pl
  • AU108322B2 - Improvements in or relating to electron discharge tubes : en
  • CH206718A - Process for the preparation of a mixture of acylaminomorpholine compounds. : de en
  • PL28645B1 - Simmonds Development Corporation Limited, London. Quick-action plate connector. : en pl
  • US2170805A - Photographic emulsion containing dyes from benzoxazoles : en
  • US2170912A - Luminaire : en
  • US2171026A - Oil testing apparatus : en
  • US2171092A - Streamline body for motor vehicles with air-cooled rear engines : en
  • US2171259A - Process for welding film : en
  • PL28815B1 - Klangfilm Gesellschaffc mit beschrankter Haftung, Berlin. / ^ Camera for recording sounds. : en pl
  • AU515738A - Improvement in underfired coke ovens : en
  • CH206640A - Method of promoting plant growth. : de en
  • AU108325B2 - A method of and means for determining the form, and controlling the production, of geodesics : en
  • CA383625A - Film intermittent mechanism : en fr
  • CH206839A - Electric discharge tube. : de en
  • AU349538A - Improvements in electrode structures for electron discharge devices : en
  • CH206648A - Device to demarcate pasture areas. : de en
  • FR845620A - Advertising device giving the illusion of body movement in space : en fr
  • CH206710A - Process for the production of basic calcium hypochlorite compounds. : de en
  • CH206738A - Relief stencil for creating real relief watermarks. : de en
  • US2171372A - Mechanical fish-luring device : en
  • CH206672A - Table-like furniture, in particular for sewing machines. : de en
  • PL28617B1 - Method of processing fiber materials. : en pl
  • PL28634B1 - Ramon Balmes Solanas, Pineda de Llobregat, Barcelona. Extraction device for pre-cutting and pre-cutting preparatory machines. : en pl
  • CH206823A - Plug contact device. : de en
  • DE680616C - Flat left-left knitting machine for the execution of the process for the production of breakthrough patterns achieved by stitching : de en
  • CA383644A - Loading and unloading device : en fr
  • CA383708A - Locomotive smoke-box : en fr
  • PL28691B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven. Electric discharge lamp from a quartz bank. : en pl
  • US2170871A - Dustproof fixture : en
  • CH206883A - Signal system on vehicles such as bicycles and motorcycles. : de en
  • PL28710B1 - 0. Lorenz Aktiengesellschaft, Berlin-Tempelhof, \\ 0U 9fft? High frequency vibration modulation system. : en pl
  • PL28720B1 - A method of producing pure magnesium compounds, especially magnesium chloride. : en pl
  • US2171319A - Glazing bar : en
  • USD116355S - Design for a textile fabric or similar : en
  • PL28719B1 - Device for lifting the trolley deck. : en pl
  • US2171088A - Air conditioning apparatus : en
  • US2170992A - Air conditioning : en
  • BE435809A - : en
  • US2171304A - Flashlight : en
  • CH206688A - Preparation for printing textile fabrics. : de en
  • CH206643A - Process for the production of surface coverings for components. : de en
  • DE680425C - Wall trays for placing baking boards and baking trays with rotatable stands : de en
  • DE680481C - Cinema cassette camera : de en
  • US2170835A - Navigational system : en
  • USD116354S - Design fob a prayer rail : en
  • AU346338A - An improved tray : en
  • PL28782B1 - Oecil Ernest Harvey, Hornclmrch, Essex. Centrifuge for separating solids from liquids. : en pl
  • PL28876B1 - Gebriider Zehnder Radiatoren & Apparatenbau, Granichen. The refrigerator is completely self-acting. : en pl
  • GB512200A - Improved mechanism for feeding charges of articles in carton-filling machines : en
  • GB512209A - Amplifier systems : en
  • US2171476A - Cover for umbrellas, parasols, and sunshades : en
  • US2171160A - Plant husbandry apparatus : en
  • US2171202A - Method of recovering fatty acids : en
  • US2171399A - Method and apparatus for homogenizing powdered mixtures : en
  • DE680576C - Pants to be worn under the shirt : de en
  • CA383699A - Cathode ray tube : en fr
  • DE680615C - Flat knitting machine with electromagnetic control of the working parts of the carriage : de en
  • CH206893A - Process for the waterproof fixation of agents against animal and vegetable pests. : de en
  • PL28688B1 - Georg Schónfeld, Berlin. Compliant exhaust cage slider. : en pl
  • PL28739B1 - : en pl
  • US2171136A - Centrifugal separator provided with special discharges : en
  • DE680554C - Coreless induction furnace with cylindrical or conical induction coil : de en
  • US2170815A - Flare : en
  • US2171015A - Bottle cap or the like : en
  • PL28802B1 - Aerial device for aircraft. : en pl
  • PL28844B1 - : en pl
  • CH206849A - Frame to accommodate stretchers. : de en
  • CH206868A - Wallet. : en fr
  • US2171223A - Racket for tennis and batting games and method of manufacturing same : en
  • US2171486A - Sealing wax applicator : en
  • CA383614A - Creping method and apparatus : en fr
  • DE680469C - Process for the production of liquid products from hard coal by pressure hydrogenation : de en
  • CH206683A - Apparatus attached to a sewing machine for making buttonholes and other stitching in clothing. : de en
  • CH206869A - Protective device for wristwatch. : en fr
  • PL28867B1 - Henryk SobkoWSki, Strzemieszyce, fa fc p ZhtlU CJ / t Bookmark to the book. : en pl
  • US2171127A - Condenser : en
  • PL28656B1 - Fritz Bender, Geisweid. Counter-flow heat exchanger. : en pl
  • PL28709B1 - Alloy steel for the production of equipment exposed to high pressure and high temperature heat. : en pl
  • US2170977A - Rail flaw detector mechanism : en
  • US2171204A - Hydraulic hoisting unit and control system therefor : en
  • PL28676B1 - and its derivatives from adenosine. : en pl
  • US2170795A - Manufacture of gasoline and fuel oil : en
  • CH206791A - Device for holding tubular or rod-shaped components. : de en
  • PL28839B1 - A method for producing uniform discrete V-belts and an apparatus for carrying out the method. : en pl
  • US2171247A - Appliance for correcting bunions : en
  • US2171084A - Dining table : en
  • US2171358A - Hollow panel : en
  • US2171157A - Pivotal joint : en
  • US2171464A - Blanking machine : en
  • AU168639A - Improvements relating to floor, walland like coverings : en
  • PL28641B1 - A method of producing light images, arranged in one plane and giving the impression of convexity, especially geographic maps. : en pl
  • PL28698B1 - Pre-threading machine for the production of artificial threads. : en pl
  • PL28750B1 - Regulating device for restricting the intake of aircraft internal combustion engines. : en pl
  • US2171150A - Electronic modulator fob constant : en
  • AU108560B2 - Braking mechanism : en
  • AU108278B2 - Improvements in auxiliary electrodes in electric discharge devices : en
  • CA383711A - Boiler feeding apparatus : en fr
  • US2170916A - Rotary collar passing blow-out preventer and stripper : en
  • US2171041A - Flux for welding magnesium and magnesium alloys : en
  • USD116430S - Design for a suit ensemble : en
  • PL28741B1 - Nils Anders Georg Sóderlind, Stockholm. Device for opening letters. : en pl
  • USD116398S - Design for a dress : en
  • US2170800A - Process for making composite titanium pigments : en
  • US2171123A - Showcase lock : en
  • USRE21188E - Centrifugal can feeding means : en
  • PL28660B1 - Device showing the course of flight of an airplane or other aircraft. : en pl
  • US2171099A - Electrical control apparatus for heating plants : en
  • US2171193A - Conveyer for feeding articles : en
  • GB511952A - Improvements in and relating to sheet feeding mechanism for printing machines and the like : en
  • GB512275A - Improvements relating to loom shuttles : en
  • GB512402A - Improvements in looms having automatic weft replenishment : en
  • US2170944A - Multicathode ray discharge device : en
  • US2171149A - Resilient mounting : en
  • CH206676A - Steamer. : de en
  • CH206735A - Fertilizer and process for making it. : en fr
  • US2171113A - Apparatus for detecting leakage : en
  • CH206685A - Dyeing auxiliaries. : de en
  • USD116383S - Design fob a display rack : en
  • CH206818A - Arrangement for the operation of synchronous motors intended for a large frequency range. : de en
  • CA383722A - Article marking or decorating apparatus : en fr
  • US2171440A - Glove pocket construction : en
  • AU100138A - An improved machine for splitting firewood : en
  • CH206747A - Film reel. : de en
  • FR845778A - Support frame for the examination of stereophotographs : en fr
  • US2171511A - Press : en
  • CH206768A - Method of manufacturing a flexible pipe, installation for its implementation, and flexible pipe obtained by means of this method. : en fr
  • DE680380C - Parlor game in which the game pieces are slidably arranged in slots in the playing field : de en
  • DE680387C - Method for grinding double inclined treads of used railway wheels : de en
  • GB512197A - A method of and means for raising aeroplanes : en
  • GB512407A - Improvements in and relating to devices for erecting bodies such as parts of aircraft : en
  • USD116371S - Design fob a combination perfume : en
  • PL28605B1 - Josef Meiser, Dortmund. Coupler from loveks to the iron housing. : en pl
  • US2170849A - Vertical antenna : en
  • CH206699A - Plant for the preparation of bread cereals and other grains. : de en
  • CH206847A - Toe cap. : de en
  • CA383757A - Liquid fuel atomizing apparatus : en fr
  • AU108275B2 - Improvements in crown seals for bottles jars andthe like : en
  • AU108319B2 - Improvements relating tothe cooling coils of refrigerators : en
  • US2170908A - Coupler shank and yoke connection : en
  • GB512179A - Method for manufacturing a highly active depolariser from natural pyrolusite : en
  • FR845755A - Rolling skip : en fr
  • AU16939A - Improvements in process for electric flash percussive welding : en
  • CH206780A - Pocket chalk sharpener for tailor's chalk sharpening. : en fr
  • AU108284B2 - Suspension apparatus for sliding sash windows : en
  • US2171215A - Gaseous discharge tube : en
  • USRE21191E - Road construction : en
  • DE680383C - Shearing machine with measuring roller attached to the chain tree winding : de en
  • DE680436C - Wave filter, in particular of asymmetrical shape, with a constant and real wave resistance in the passband and stopband : de en
  • GB512024A - Improvements in or relating to heaters, more particularly for use with cans or tins containing preserved food : en
  • FR845684A - Machines for the production of compressed combustion gases : en fr
  • GB512124A - Improvements in or relating to terminals for electrical condensers and like apparatus : en
  • FR845694A - Elastic and flexible tube for high pressure, with connection fitting : en fr
  • AU50739A - A method of and means for determining the form, and controlling the production, of geodesics : en
  • FR845595A - Improvements to devices used to expose liquids to direct contact with air or other gases : en fr
  • FR845655A - Improvements in the production of organic compounds : en fr
  • FR845777A - Improvements to aerial television systems : en fr
  • GB512060A - Improvements relating to photographic development : en
  • GB511944A - A truck for lifting and carrying heavy articles : en
  • US2171122A - Hair curler : en
  • GB511962A - Improvements in or relating to fastening inserting machines : en
  • GB512107A - Improvements relating to fuel injection pumps for multi-cylinder internal combustionengines : en
  • AU487738A - Improvements in neckties and linings therefor : en
  • DE680419C - Device for grinding diamonds or the like to dust : de en
  • DE680507C - Control device for improving the power factor in electrical networks : de en
  • FR845756A - Device for constant and adjustable level filling of various containers : en fr
  • GB512121A - An electro-mechanical frequency compensating device for wireless transmitting and receiving apparatus : en
  • GB512072A - Improvements in or relating to a method of and apparatus for making socketed screws : en
  • GB512260A - Improvements relating to showcases : en
  • DE680443C - Clamping device for the knives of knife heads : de en
  • GB512240A - Apparatus for producing cut fibres from artificial silk filaments : en
  • FR845586A - Advanced device for checking pump flow : en fr
  • GB512152A - Improved fastening for wooden air screw blades : en
  • GB512356A - Improvements in hinges and in members or articles provided therewith : en
  • FR845682A - Process for filling containers : en fr
  • CA383650A - Magnetic separator : en fr
  • GB512220A - Improvements in or relating to universal joints : en
  • FR845636A - Method and devices for electric resistance welding of ball bearing cages : en fr
  • GR8460B - FAN ADJUSTABLE TO EVERY TYPE OF SEWING MACHINE. : el en
  • FR845589A - case, in particular for razor blades : en fr
  • GB512052A - Improvements in rotary valve internal combustion engines : en
  • GR8459B - METHOD OF TRANSPORTING THE DIRTY AIR OF CITIES TO THE COUNTRY. : el en
  • GB512268A - Improvements in thermionic valves : en
  • GB512233A - Oil burner particularly for cooking stoves : en
  • DE680503C - Heat time switch with switch bodies to be heated alternately : de en
  • FR845743A - slab element : en fr
  • FR845734A - Non-combustible insulated cables and wires : en fr
  • GB512181A - Improvements relating to auxiliary apparatus for use in dentistry : en
  • GB512345A - New or improved method of and apparatus for bending metal pipes and tubes : en
  • DE680516C - Control device : de en
  • FR845577A - Improvements in methods and devices for the hot production of agglomerates, in particular agglomerates of cork, slag wool and the like : en fr
  • FR845793A - Process for preparing thioeter-carboxylic acids : en fr
  • GB512306A - Improvements in shuttle guards for weaving looms : en
  • FR845735A - Improvement in cardboard boxes or other appropriate materials, of all polyhedral shapes, mountable, removable, and reassembled, without glue or metal staples : en fr
  • GB512011A - Household refrigerators : en
  • GB512101A - An improved apparatus for breaking down froth, more particularly in froth flotation preparation plants : en
  • PL28664B1 - Method of surface hardening with natural cooling. : en pl
  • PL28702B1 - l \\ (P BMfc 'M / ot Sheath for folded pencils. : en pl
  • PL28714B1 - Multipole connector unit for wires, cables and connection teletechnical devices. : en pl
  • PL28796B1 - United Factories of Machines, Boilers and Wagons L. Zieleniewski and Fitzner-Gamper Spółka Akcyjna, Kraków. Cup bearing for hanging centrifuge spindle. : en pl
  • GB512076A - Improvements in or relating to lathes : en
  • PL28841B1 - Device for compensating the variable frictional resistance of metal strips at welded pipe mills. : en pl
  • PL28863B1 - A method of producing protective layers on light metals and their alloys. : en pl
  • PL28866B1 - Device for carrying tens. : en pl
  • CA383683A - Refrigerator gas purger : en fr
  • CH206650A - Spreader bar safety device on painter's ladders. : de en
  • PL28888B1 - Continuous metal casting device. : en pl
  • AU108342B2 - Improvements inthe manufacture and production of liquid or solid hydrocarbons or liquid or solid oxygen-containing derivatives of hydrocarbons : en
  • DE680462C - Device for remote switching through voltage reduction or interruption on the lines used for normal energy transmission : de en
  • PL28707B3 - Oaznik for internal combustion engines. : en pl
  • GB512030A - Watertight watch case : en
  • FR845695A - Speed reducer : en fr
  • GB512320A - Improvements in or relating to vapour electric converters : en
  • CH206766A - Casting process for the production of blocks from aluminum or aluminum alloys, in particular aluminum alloys containing copper, device for carrying out the process and block produced by the process. : de en
  • GB512359A - Improvements in or relating to trolley pole bases for overhead electric traction vehicles : en
  • FR845640A - Vehicle with fork-shaped central spar : en fr
  • GB512145A - The preparation of new therapeutically useful heterocyclic compounds : en
  • GB512232A - Improvements in or relating to gilled tubes : en
  • US2171379A - Ammonium nitrate explosive : en
  • USD116335S - Design for a belt buckle : en
  • PL28717B1 - : en pl
  • PL28807B1 - Device for guiding the driving shaft in rolled tube mills. : en pl
  • US2171141A - Ingot ejector : en
  • US2171232A - Material treating apparatus : en
  • US2171332A - Hair curling device : en
  • US2171474A - Etching apparatus : en
  • US2171341A - Fan casing : en
  • USD116434S - Design for a tractive vehicle : en
  • AU108318B2 - Improvemennts relating to lamps comprising electric discharge tubes for the production of light by the combination of colours therefrom : en
  • CA383743A - Hydrocarbon oil processing : en fr
  • CH206827A - Electrical switchgear. : de en
  • SU55484A1 - Device for recording impulses transmitted : en ru
  • US2170820A - Control mechanism for radio receivers : en
  • CA383697A - Television projection apparatus : en fr
  • PL28646B1 - : en pl
  • US2170823A - Machine for operating on shoe parts : en
  • US2171119A - Strand-winding machine : en
  • US2171253A - Tubular radiator : en
  • US2170804A - Merocyanine dyes from benzoxazoles : en
  • US2171509A - Terrestrial globe mounting : en
  • PL28724B1 - A method of joining the folding parts of the boxes and an apparatus for carrying out the method. : en pl
  • US2171020A - Whip stock : en
  • US2171403A - Brake mechanism : en
  • US2171484A - Filtering device : en
  • PL28655B1 - Panstwowe Zaklady Tele- i Radjotechniczne in Warsaw *), Warsaw. Homodyne receiver. : en pl
  • PL28732B1 - Ltd, Gibraltar. Machine for making seamless objects from blocks. : en pl
  • US2170864A - Machine for manufacturing strap sandals : en
  • US2171064A - Bolster spring unit : en
  • DE680460C - Sheet delivery device : de en
  • PL28918B1 - Process for the preparation of symmetrical di-oxyalkylated amino arsenobenzenes. : en pl
  • BE435404A - : en fr
  • US2170808A - Integral tail wheel and rudder for airplanes : en
  • US2170957A - Keyless lock device : en
  • US2170996A - Ethylene glycol di-(aryloxyacetates) : en
  • US2171211A - Machine for grinding articles to predetermined forms : en
  • USD116406S - Design for a dress : en
  • PL28836B1 - Device for stopping water jets in steam heaters. : en pl
  • PL28842B1 - A way of giving pigments more opacity. : en pl
  • CH206813A - Ignition device for internal combustion engines with a multiple magneto. : de en
  • PL28843B1 - A method of determining the position of a receiving device in relation to a rotating beacon transmitting several beacons and beacons, and a receiving device for determining its position in this way. : en pl
  • USD116384S - Design for a heater or similar : en
  • SU55551A1 - The method of obtaining sulfur dyes : en ru
  • CA383682A - Laminated safety glass : en fr
  • GB512288A - Improvements in or relating to devices for the uniform moistening of fabric or paper webs : en
  • PL28765B1 - : en pl
  • FR845612A - Plastics manufacturing process : en fr
  • FR845627A - Process for obtaining lubricants : en fr
  • DE680669C - Speed controller for electric motors with control surfaces adjusted by centrifugal force : de en
  • PL28784B1 - h £ P FM% L t / 00 Marc Birkigt, Bois-Colombes. Impact fuse, particularly suitable for small-caliber projectiles. : en pl
  • US2171195A - Method of joining the edges of metal bands or the like : en
  • US2171243A - Frequency control system : en
  • CH206673A - Device for the production of a milk coffee mixture. : de en
  • US2170796A - Sheet piling : en
  • US2171179A - Fuse assembly : en
  • DE680386C - Method and device for producing flat, absorbent workpieces from pulp water : de en
  • GB512347A - Improvements in the separation of nickel and copper : en
  • FR845641A - Cooling device for cinematographic projection devices : en fr
  • FR845708A - Improvements in dry electric shavers : en fr
  • FR845764A - Improvements to clocks, pendulets or the like : en fr
  • GB512243A - Improved means for and method of treating the surface of roads : en
  • FR845719A - Electromechanical vibrating device : en fr
  • US2170998A - Interlocking door structures for mine cars and like purposes : en
  • US2171241A - Silk : en
  • US2171251A - Invalid's bed-chair : en
  • DE680356C - Clay cleaner with a press hull arranged off-center in front of a rotating disc : de en
  • DE680644C - Deposit device for stick cigarette machines : de en
  • GB512388A - Improvements in and relating to x-ray tubes : en
  • AU108273B2 - A method of indicating leakages in tubes, containers andthe like : en
  • AU250238A - Improvements in or relating to interelectrode neutralization of frequency convertors suitable for use in superheterodyne radio and like receivers : en
  • FR845631A - Surge Drainage Device : en fr
  • FR845712A - Improvements to variable-pitch aerial propellers : en fr
  • FR845742A - Projectile belt : en fr
  • GB512318A - Improvements in or relating to gaseous electric discharge devices : en
  • FR845623A - Improvements to steam generators with superheat adjustment : en fr
  • US2170937A - Explosion safety device : en
  • PL28662B1 - Method and device for forming metals. : en pl
  • US2171493A - Mirror device for looms for ascertaining from the position of the weaver breaking of warp threads or the like in the loom : en
  • PL28773B1 - N. V. Philips' Gloeilampenfabrieken, Eindhovenf High frequency bandpass filter for receiver with frequency overlap. : en pl
  • US2170966A - Fork construction : en
  • US2171266A - Water conditioner : en
  • US2171394A - Device for controlling and regulating liquid level, liquid flow, and temperature and pressure conditions thereof : en
  • USD116425S - Design for a beach coat or similar : en
  • GB512019A - Improvements in and relating to electric cooking apparatus : en
  • GB512361A - Improvements in and relating to electric motor control systems : en
  • CH206692A - Device for emptying the down cover of pillows and the like. : de en
  • DE680315C - Circuit arrangement for company lines with voting devices at the branch points : de en
  • FI18568A - Elektriskt urladdningsrör : en fi
  • GB512059A - Process and apparatus for producing slivers of staple fibres from threads of continuous artificial filaments : en
  • DE680360C - Chromium-nitrogen-steel alloy : de en
  • DE680479C - Cinema equipment, especially a camera for cine films : de en
  • US2170929A - Tamping plug : en
  • USD116412S - Design for a pencil tip : en
  • DE680579C - Break-open clamping column for hammer drills : de en
  • GB512217A - Improvements relating to reciprocatory pumps : en
  • FR845597A - Protective enclosure for x-ray tubes : en fr
  • FR845733A - Transmission part in ceramic material subjected to torsion : en fr
  • IE15611L - Luminescent materials : en
  • GB512346A - Improvements in the suspension of compasses and other nautical instruments : en
  • GB512401A - Endless woven, plaited or braided driving or conveyer belt : en
  • GB512297A - Improvements in machines for dressing cylindrical surfaces : en
  • FR845602A - Process for processing semi-coke : en fr
  • DE680314C - Circuit arrangement for telephone systems : de en
  • DE680600C - Net harrow for straight pull : de en
  • DE680524C - Process for the continuous freezing of food : de en
  • DE680592C - Switching device for the dial of clocks with 24-hour division : de en
  • GB512316A - A new or improved process for obtaining shrinkage of sheet material : en
  • GB512048A - Improvements in or relating to automatic lighters : en
  • USD116336S - Design fob a belt buckle : en
  • USD116428S - Design for a dress : en
  • AU333838A - Method of and apparatus for vaporising and diffusing fumigant : en
  • CH206775A - Method and device for stabilizing and drying wood. : de en
  • AU108324B2 - Improvements in and connected with belt and the like pulleys of the split type : en
  • CH206899A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • GB512161A - Improvements in or relating to surgical trusses : en
  • CH199610A - Circuit for television transmitters for generating synchronous characters. : de en
  • CH206789A - Elastic joint connection. : de en
  • AU108302B2 - Improvements in electrode structures for electron discharge devices : en
  • PL28639B3 - Akciov £ spoleónost drive Skodovy zavody in Plzni, Prague and Bohdan Pantoflicek, Pilsen. Self-firing mine thrower. : en pl
  • US2171470A - Attachment to typewriter keys : en
  • USD116396S - Design fob a dress : en
  • CH206822A - Clamp for connecting tubular parts, in particular parts of catenaries. : de en
  • PL28628B1 - Preparation Industrielle des Combustibles, Nogent-sur-Marne. A binder with one toothed roller. : en pl
  • PL28913B1 - Alex. Friedmann, Wieden. Distributor for grease. : en pl
  • US2171429A - Gyratory crusher : en
  • USD116381S - Design for an air conditioner : en
  • PL28685B1 - Landis & Gyr A.-G., Zug. An alloy bearing journal with a stone shell, especially for electrical measuring instruments, and an instrument with such a bearing and journal. : en pl
  • PL28770B1 - E. F. Klotz & Co. Kommanditgesellschaft, Stuttgart. Packaging for the shipment of eggs, fruit and similar products. : en pl
  • PL28775B1 - FrariZ KllÓbel jun., Wiedenbriick. Trailer coupling with a ball joint. : en pl
  • US2171096A - Apparatus for feeding molten glass : en
  • PL28743B1 - X-ray method with the use of contrast agents. : en pl
  • PL28768B1 - State Telecommunications Institute, Warsaw and Tadeusz Kom, Warsaw. Device for recording telephone conversations on a phonographic disc. : en pl
  • PL28879B1 - The method of making plywood : en pl
  • DE680394C - Process for separating nickel from other heavy metals : de en
  • GB512205A - Improvements in or relating to photographic or cinematograph cameras coupled with photoelectric exposure meters : en
  • CA383638A - Electric circuit control : en fr
  • FI18580A - Anordning vid pressar : en fi
  • SU55444A1 - Electromagnetic hammer : en ru
  • US2170822A - Tree band : en
  • US2171044A - Switch : en
  • US2170962A - Means for photoelectrically scanning balanced sound records : en
  • US2171076A - Multiple clamp : en
  • AU575538A - Improved burr gathering machine : en
  • DE680558C - Card book : de en
  • DK56601C - Procedure for Manufacturing Oxide Cathodes. : da en
  • FR845714A - Closure for cans, in particular for cans of condensed milk : en fr
  • US2170861A - Electric apparatus power saver : en
  • CH206761A - Waterproof winder for watch case. : en fr
  • CH206828A - Wire resistor with resistance wire wound onto an insulating body with metallic connection caps. : de en
  • US2171362A - Photocell system to control spacing of traveling articles : en
  • US2171172A - Wrapping machine : en
  • US2171248A - Vacuum cleaning apparatus : en
  • US2171438A - Method of manufacturing tire tread : en
  • US2171490A - Electric discharge device : en
  • US2171497A - Map and like article support : en
  • DK56611C - Wall arch carrier. : da en
  • US2170891A - Car coupler : en
  • US2171156A - System and apparatus for determining at a distance the angular position of a submarine device : en
  • CA383704A - Display container : en fr
  • US2171335A - Slider : en
  • US2171428A - Composition of matter : en
  • USD116339S - Design for a reflector signal device : en
  • PL28624B1 - Tatra-Werke, Automobil- und Waggonbau A. G., Prague-Smichov. Location of steering wheels in motor vehicles. : en pl
  • PL28912B1 - A method of electroplating rolled products and an apparatus for carrying out the method. : en pl
  • CH206657A - Component and process for its manufacture. : de en
  • CH206802A - Rotary piston machine. : de en
  • PL28776B1 - Cathode lamp. : en pl
  • US2171057A - Roller bit : en
  • US2171264A - Ice cubing machine : en
  • US2171487A - Fire extinguisher : en
  • US2171512A - Electrical apparatus : en
  • PL28658B1 - : en pl
  • US2170938A - Venetian blind : en
  • US2171114A - Delayed action switch : en
  • US2171378A - Display counter construction : en
  • USD116415S - Design for a dress : en
  • PL28637B1 - Device for moving the output and other materials. : en pl
  • PL28887B1 - The method of making veneers. : en pl
  • US2171320A - Process of preparing extracts of spleen and liver : en
  • US2171408A - Active carbonaceous materials : en
  • US2171194A - Overhead door structure : en
  • GB512325A - Improvements in or relating to thermionic oscillation generators : en
  • GB512078A - Improvements in or relating to automatic controls for washing, dry-cleaning, bleaching, dyeing and the like machines : en
  • PL28756B1 - Vaouum Oil Company Joint Stock Company, Czechowice. A container for storing the evaporating liquids with a roof cover with a hydraulic seal. : en pl
  • PL28812B1 - A device for automatic over-threshold gain regulation, especially for radiogoniometric receivers. : en pl
  • FI18586A - The provisions of this Regulation shall apply to livestock : en fi
  • CH206837A - Process for the manufacture of selenium rectifiers. : de en
  • DK56599C - Method of Manufacturing an Electric Discharge Pipe with a Secondary Emission Electrode. : da en
  • CH206909A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • DE680471C - Radio receiver installed in motor vehicles : de en
  • CA383693A - Payroll machine : en fr
  • US2171458A - Drive-lock means : en
  • US2171500A - Casting means for line-casting machines : en
  • PL28640B1 - Device for settling or separating in the mud. : en pl
  • PL28820B1 - A catalytic method of improving the anti-knock properties of engine fuel. : en pl
  • US2171447A - Guide for flush tank valves : en
  • CA383609A - Lawn mower trailer : en fr
  • AU108539B2 - Locomotive boiler fireboxes : en
  • CH206638A - Motor-driven mower with cutting unit in front. : de en
  • US2171105A - File case : en
  • GB511955A - Improvements in or relating to telephone subset circuits : en
  • GB512226A - Improvements in and relating to the bearings of electrical regulating or control devices : en
  • CH206757A - Roller counter. : de en
  • DE680640C - Device for improving the efficiency of blade wheels on ships by means of profiled bodies : de en
  • GB511674A - Improvements in and relating to electric switching devices, particularly designed for preventing interference with radio apparatus : en
  • GB512292A - Process for the manufacture of glass : en
  • CH206663A - Catches, in particular for doors. : de en
  • US2171278A - Vehicle-controlled selective system : en
  • US2171416A - Method of treating a producing formation : en
  • PL28635B1 - Abram Lapp, Litzmannstadt and Grzegorz Lapp, Litzmannstadt. Automatic water extinguisher. : en pl
  • US2171024A - Tile cutting machine : en
  • US2171034A - Tractor attached implement : en
  • US2171246A - Advertising and display device : en
  • PL28638B1 - Wytwórnia Radiotechniczna "Ava" Limited Liability Company, Warsaw. An electromagnetic throat recorder and a handset handset with two such laryngaphones. : en pl
  • CA383679A - Electric valve converting system : en fr
  • PL28625B1 - Tatra-Werke, Automobil- und Waggonbau A. G., Prague ^ Smichoy. Seating the pedals to the oscillating axles. : en pl
  • PL28816B1 - A way to destroy vermin or other harmful organisms. : en pl
  • SU55539A1 - Adjustable swivel support for leaf-folding machine to limit sheet feeding : en ru
  • GB512254A - Improvements in or relating to machines for cutting work blanks : en
  • AU108306B2 - Improvements in or relating to collapsible tubes orthe like containers : en
  • CA383627A - Pipe and cigarette holder device : en fr
  • CA383701A - Mosaic and translucent surface : en fr
  • GB512374A - Improved device for filling compression moulds or like spaces with pulverulent materials : en
  • GB511941A - Improvements in or relating to engines and method of reducing vibrations therein : en
  • PL28881B1 - Hugo Schmeisser, Suhi. Windbreaker with a hand lever. : en pl
  • SU55559A1 - A device for film winding in film projectors : en ru
  • PL28703B1 - The method of securing rivet, screw and similar seams from external influences. : en pl
  • GB512211A - Improvements in and relating to the supply of a heated combustible mixture to internal combustion engines : en
  • PL28892B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven. / High frequency amplifier transmitting a very wide frequency band. : en pl
  • GB512344A - Improvements in cartons or like containers for liquids, powders or the like : en
  • FR845739A - Process for continuous deinking of paper and cardboard or the like : en fr
  • CH206689A - Iron rack to be used when steaming with an iron. : de en
  • US2171242A - High-voltage generator : en
  • AU108334B2 - Synthetic contact masses and their preparation : en
  • CH206803A - Two-stroke internal combustion engine with direct current purging. : de en
  • PL28894B1 - Radio Corporation of America, New York, n. Y. ° Radio receiver with automatic selectivity control. : en pl
  • GB512005A - Improvements in or relating to methods of extracting fluorine values from fluorspar ores : en
  • GB512075A - Silencer for internal-combustion engines : en
  • GB512193A - Improvements in levels and clinometers : en
  • GB512358A - Improvements in or relating to elevators and the like : en
  • GB512132A - Improvements in and relating to the treatment of cellulose with lye : en
  • DE680496C - Screw slot terminal for multi-core electrical cables : de en
  • US2171368A - Electric snap switch : en
  • DE680404C - Device for damping the rolling movement in vehicles : de en
  • PL28667B1 - Pneumatic device for starting the automatic rapid-fire trigger mechanism. : en pl
  • GB512410A - Improvements in or relating to floors for ice rinks : en
  • PL28740B1 - Wilhelm Koreska, Vienna. Typewriter ribbon with a strip that serves as a reservoir of paint. : en pl
  • GB512154A - Improvements in luminescent materials : en
  • DE680416C - Several separately lying cylinder locks with a common key, different in the setting of the pin tumblers : de en
  • GB512264A - Improvements in and relating to photographic cameras : en
  • GB512282A - An automatic fire-arm : en
  • DK56592C - Liquid filter. : da en
  • US2171069A - Truck and swing bolster construction : en
  • DE680590C - Arrangement of locking plates : de en
  • FR845738A - Process and products for washing textile materials and more especially those containing fibers of animal origin : en fr
  • GB512212A - Improvements in or relating to the manufacture of socketed steel pipes : en
  • FR845570A - Improvements to contactors, circuit breakers and electrical switches : en fr
  • GB511946A - Improvements in apparatus for feeding ovens, furnaces or the like : en
  • DE680504C - Time switch in which the duration of a switching process is determined by pressing a rubber suction cup against a counterpart : de en
  • DE680564C - Bottle cap with pressure piece and wire clamp lever : de en
  • FR845773A - Opacifier for enamels and its manufacturing process : en fr
  • GB512139A - Improvements in or relating to absorption refrigerating systems : en
  • GB512250A - Improvements in or relating to prime movers, pumps and compressors having rotary pistons : en
  • DE680628C - Wooden roof for light, fixed or transportable houses, barracks, sheds or the like. : de en
  • FI18569A - For the purposes of this Regulation, the weight of the waste shall be reduced to a maximum of : en fi
  • FR845724A - Advanced cement : en fr
  • DE680643C - Toy drop bomb : de en
  • GB511940A - Improvements in and relating to the production of carbocyanine-like dyestuffs and tothe sensitising of photographic silver halide emulsions : en
  • CH206811A - Ignition device for explosion engines. : de en
  • CH206665A - Automatically charged and adjustable fine coal firing. : de en
  • DE680487C - Piezoelectric sound device : de en
  • BE435521A - : fr
  • CA383619A - Pump shaft seal : en fr
  • US2170941A - Transmission control in signaling systems : en
  • US2171311A - Ear and mouth telephone attachment : en
  • CH206720A - Process for the preparation of an indophenol-like compound of the naphthocarbazole series. : de en
  • DE680376C - Refining machine for chocolate masses with a mass drum : de en
  • FR845576A - Self-propelled car with bogies and motor mounted below the floor of the car and in the bogie : en fr
  • PL28903B1 - Device for transferring liquefied gases. : en pl
  • AU108317B2 - Improvements in and relating to docking andthe like irons : en
  • US2170845A - Cellulosic structure and method for preparing same : en
  • PL28745B1 - : en pl
  • DE680568C - Process for the production of tuning screws for magnetic mass cores : de en
  • GB512222A - Improvements in the manufacture of alloy steel tubes : en
  • US2170886A - Airfoil mechanism : en
  • US2171442A - Casing perforating device : en
  • GB512376A - Improvements in and relating to sheet fasteners for mattresses : en
  • US2171086A - Preparation of gold films : en
  • DE680435C - Device for igniting a gas or vapor discharge path located in an inductive circuit : de en
  • GB512040A - Improvements in or relating to electron multipliers : en
  • US2170829A - Film and process for preparing same : en
  • CA383737A - Windshield cleaner : en fr
  • CH206668A - A method of manufacturing tubular electric heating elements and a heating element obtained by this method. : en fr
  • CH206671A - Quilted bedding. : de en
  • CH206871A - Adhesive tape for closing resp. Covering bulging, angular or otherwise uneven surfaces. : de en
  • US2171505A - Laminated fabric : en
  • USD116357S - Design for a lamp shade : en
  • CH206737A - Process for producing a metal cloth for paper machines and metal cloth produced by the process. : de en
  • AU349638A - Improvements in frequency control in superheterodyne receivers : en
  • CH206925A - Process for the preparation of 4-amino-4'-sulfonedimethylamido-diphenyl sulfone. : de en
  • DE680174C - Arrangement on vehicles, in particular on motor vehicles : de en
  • DE680242C - Temperature compensation for alternating current measuring devices, which consist of dry rectifiers and a direct current measuring unit : de en
  • PL28687B1 - Georg Schónfeld, Berlin-Zehlendorf. Rope clamp, e.g. for a hoist cage. : en pl
  • AU390738A - Improvements in pick-proof cylinder locks : en
  • DE680457C - Method of obtaining hormones : de en
  • CA383671A - Ignition timer : en fr
  • CH206841A - Street lighting system. : de en
  • CA383670A - Paper machine wire support : en fr
  • US2171040A - Composite sheet metal body and method of producing the same : en
  • US2171249A - Cathode for electron discharge devices : en
  • DE680599C - Procedure for disinfection and preservation : de en
  • GB512251A - Improvements in or relating to tractor-trailer vehicles or like mobile carriers : en
  • FR845721A - Adjustable hydraulic shock absorber : en fr
  • GB512016A - Devices for trueing rifle barrels : en
  • US2171067A - Plant setter : en
  • US2170839A - Cellulosic pellicles and process for preparing same : en
  • US2171371A - Crimping device : en
  • US2171389A - Process of applying a coating of lacquer to flexible materials : en
  • PL28614B3 - Method for the production of aliphatic hydrocarbons or their derivatives. : en pl
  • PL28606B1 - : en pl
  • USD116356S - Design for a lamp : en
  • DE680320C - Printing table for booking machines : de en
  • GB512018A - Improvements in and relating to multi-position electric switches : en
  • US2171056A - Snow plow : en
  • CA383749A - Re-fill fuse plug : en fr
  • CH206739A - Stenoblock. : de en
  • AU108335B2 - Process forthe manufacture ofa dough admixture and baked foods using such dough admixture : en
  • CA383723A - Glass working apparatus : en fr
  • PL28781B1 - A method of softening artificial products, which are polymerized vinyl compounds. : en pl
  • US2171309A - Shipping container : en
  • US2171502A - Gas cell : en
  • CA383647A - Muff : en fr
  • CH206714A - Process for the production of sodium monoxide. : de en
  • US2170868A - Control of motor vehicle clutches : en
  • US2171180A - Lead alloy : en
  • US2170837A - Apparatus for use in making shoes : en
  • US2171255A - Portable road roller : en
  • CH206752A - Construction game. : en fr
  • AU347638A - Improvements in or relating particularly to interchangeable wheels for tractors orthe like : en
  • CA383745A - Signal device : en fr
  • CH206831A - Installation circuit breaker with magnetic and thermal release. : de en
  • CH206880A - Anti-slip compound that can be applied to tires, shoe soles, etc. : de en
  • FI18584A - Formwork system for the manufacture of roof tiles or similar tiles : en fi
  • GB512037A - Improvements in ticket issuing devices : en
  • AU126139A - Improvements in or relating to a method and apparatus removing soluble impurities from solid substances : en
  • CA383612A - Railway crossing : en fr
  • CH206669A - Electric oven for cooking purposes. : de en
  • PL28851B1 - NK? Rlf 4/0 $ Akciova spolecnost dfive Skodovy zavody v Plzeň, Prague and Bohdan Pantoflicek jr, Pilsen. Front-loaded firearms. : en pl
  • US2171293A - Radio navigational guide system : en
  • PL28611B1 - A device for measuring the dose of fuel injected into internal combustion engines, working at a constant and significantly changing air pressure. : en pl
  • US2171238A - Discharge device and electrode : en
  • CH206859A - Telephone system in which a transmitter station shared by several participants transmits high-frequency messages. : de en
  • CA383676A - Fibre bleaching process : en fr
  • DK56613C - Beet thinning machine. : da en
  • GB512198A - Improvements relating to window blinds and similar screening devices : en
  • GB512207A - A method of and apparatus for fermenting milk : en
  • GB512258A - Improvements relating to the mounting of drawers in visible index cabinets and the like : en
  • US2171132A - Method of forming elements from molten metal : en
  • PL28798B1 - : en pl
  • CH206911A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • CH206664A - Optical glass and method of making the same. : de en
  • US2170900A - Brake lever construction : en
  • FR845705A - Method and device for manufacturing hollow parts by stamping : en fr
  • CH206795A - Grease gun. : de en
  • CH206820A - Device for deriving high-frequency vibrations emanating from electrical machines and apparatus. : de en
  • US2171094A - Can and insertable pouring spout : en
  • US2171297A - Sheet metal seaming machine : en
  • CH206873A - Transport and storage device for steel bottles. : de en
  • CH206875A - Streamlined vehicle with rear engine. : de en
  • US2170965A - Rail flaw detector mechanism : en
  • US2171312A - Consistency control device : en
  • FR845768A - Improvements to amplifier relays : en fr
  • FR845747A - Torque transformer device for motion transmissions : en fr
  • US2171349A - Electric lantern : en
  • PL28824B1 - Method for the production of low boiling alkylated paraffin hydrocarbons : en pl
  • AU112597B2 - Improvements in and relating to the utilization of the exhaust gases of internal combustion air-craft engines : en
  • CA383611A - Engine fuel injector device : en fr
  • FR845693A - Copper sulphate manufacturing process : en fr
  • DE680373C - Arrangement for setting an extreme value : de en
  • DE680497C - Resilient socket formed from sheet metal : de en
  • PL28725B1 - Oarl H. Lundholm Aktiebolag, Stockholm. Parachute tower. Patent dependent on patent No. 18834. : en pl
  • US2170819A - Cathode ray tube recording device : en
  • US2171115A - Grinding device : en
  • PL28831B1 - A method for extracting dust e.g. from coal during sorting, and a device for carrying out the method. : en pl
  • US2171217A - Metal packing ring for use with screwed pipe joints or couplings : en
  • CA383742A - Hydrocarbon oil processing : en fr
  • CA383755A - Sound recording apparatus : en fr
  • AU108291B2 - Improvements in or relating to furnaces fed with solid fuel by gravity froma hopper adjacent the grate : en
  • DE680466C - Scale with printing device : de en
  • DE680517C - Process for the production of objects from aqueous dispersions of rubber : de en
  • GB512396A - Improvements in or relating to strip coilers and particularly hot strip coilers : en
  • DE680389C - Device for opening and closing sliding doors, especially for ovens : de en
  • DE680422C - Process for warming up, evaporating and boiling sugar juices : de en
  • DE680541C - Device on multi-needle sewing machines for laying a cover thread : de en
  • DE680433C - Display device for electrical fuses with optical or acoustic identification message : de en
  • PL28692B1 - A method of controlling the course of cooking sugar syrup and similar solutions and suspensions. : en pl
  • FR845557A - New aromatic aldehyde, chromatable dyes derived from this aldehyde and belonging to the triarylmethane series and process for the preparation of these various compounds : en fr
  • GB512103A - A tool for the finish-grinding of grooves located in the interior of hollow bodies : en
  • GR8454B - BRAIN PIPE MOLDING MACHINE. : el en
  • GB512215A - Methods of producing pharmaceutical preparations adapted for the treatment of chronic morphine and like poisoning : en
  • FR845578A - Beauty case : en fr
  • FR845669A - Process for the preparation of artificial cation-exchanging resins : en fr
  • FR845722A - Air filter : en fr
  • GB512341A - Improvements in or relating to drilling and analogous machines : en
  • FR845571A - Device for the automatic activation and deactivation of a friction brake associated with an oil circulation brake : en fr
  • GB512216A - Improvements relating to the mounting of the valves on the cylinders of internal combustion engines : en
  • GB512069A - Method of and apparatus for the production of stockings with french heel and french foot on straight bar knitting machines : en
  • GB512312A - Improvements relating to electric distribution systems : en
  • GB512365A - Improved automatic distributing and regulating device for compressed fluid brake installations for vehicles : en
  • DE680565C - Production of chlorosulfonates : de en
  • PL28759B1 - : en pl
  • PL28929B1 - from the borehole. : en pl
  • US2170857A - Recording apparatus and method : en
  • US2171439A - Process for the production of reguline beryllium and beryllium alloys : en
  • CA383616A - Textile material treatment : en fr
  • AU113764B2 - Process for aromatizing hydrocarbons : en
  • CH206677A - Carving board. : de en
  • GB512158A - Improvements in collapsible metal tubes : en
  • CA383738A - Windshield cleaner : en fr
  • GB512122A - Improvements in supporting structures for turn-tables : en
  • AU257939A - Improvements in non-knocking motor fuels : en
  • PL28794B1 - Wilhelm Koreska, Vienna. Tracing paper with a waxed back side and the method of its manufacture. : en pl
  • GB512180A - Improvements in or relating to electric high-pressure metal-vapour discharge tubes : en
  • USD116358S - Design for a lamp shade : en
  • FR845744A - Separator for electric accumulators : en fr
  • DE680430C - Arrangement for remote control by synchronous actuation of pushbutton switches without the aid of special control lines : de en
  • CH206679A - Glass cleaning device. : de en
  • AU108538B2 - Improvement in belt construction : en
  • GB512142A - Improvements in copper base alloys : en
  • PL28672B1 - : en pl
  • US2171224A - Cathode ray tube : en
  • US2171501A - Dispensing receptacle : en
  • PL28828B1 - Leo Carl Schilling, Schiedam. Stain remover and method of its production. : en pl
  • PL28858B1 - , Warsaw. Garbage truck. : en pl
  • US2171424A - Apparatus for expanding a tire carcass and inserting an air bag therein : en
  • DE680502C - Cam roller switch with quick switching : de en
  • US2170967A - Projecting apparatus : en
  • CH206711A - Process and device for the production of hydrogen peroxide. : de en
  • USD116435S - Design for a dress : en
  • CA383652A - Transversely ribbed fabric : en fr
  • CH206846A - Process for the permanent excitation of several exchangeable, gas-filled fluorescent tubes in a high-frequency field. : de en
  • PL28682B1 - A method of duplicating circulating tape recorders recorded with a needle. : en pl
  • US2171357A - Frog and point switch for miniature railway tracks : en
  • US2171480A - Flow device : en
  • GB512231A - Locking device for nuts, bolts and screws : en
  • GB512259A - Improvements relating to water level indicators for boilers and the like : en
  • DE680529C - Elastic fabric with twist cords : de en
  • BE435633A - : en
  • AU26939A - Improvements in or relating to fur hat bat making machines : en
  • US2171284A - Scaffold : en
  • USD116373S - Design for a cream pitcher : en
  • FR845791A - Rear engine automobile car : en fr
  • GB512033A - Improvements in or relating to apparatus for degreasing non-absorbent articles with volatile solvents : en
  • GB512036A - Improvements in or relating to the treatment of materials or substances during conveyance : en
  • BE435369A - : en
  • US2171079A - Combined automatic lighting and advertising device : en
  • US2171134A - X-ray system : en
  • USD116368S - Design for a combination ashtray : en
  • USD116401S - Design for a dress : en
  • DE680523C - Buttonhole sewing machine : de en
  • GB511971A - Improvements in or relating to the separation of minerals : en
  • DE680428C - Production of solid alkali cyanide : de en
  • DE680629C - Device for removing and opening flat folding boxes that have been combined to form a stack : de en
  • US2171093A - Adaptable rail trolley : en
  • US2170993A - Air conditioning : en
  • US2171338A - Building member and construction : en
  • DE680557C - Locking device for the ram of lifting platforms : de en
  • FR845611A - Improvements to switching devices that can be used, for example, in automatic telephone systems : en fr
  • DE680542C - Airplane with rotatable split wings : de en
  • GB511968A - Improvements in or relating to methods and apparatus for the filtration of alkaline solutions containing dissolved precious metal values : en
  • GB512310A - Improvements in or relating to hair curling appliances : en
  • DE680440C - Arithmetic scales with logarithmically divided scales that can be moved against each other : de en
  • GB511984A - New or improved means for glazing roofs : en
  • PL28649B1 - - isopropylmethylamine. : en pl
  • PL28761B1 - Round weaving loom. : en pl
  • US2171186A - Expanding shoe mechanism : en
  • USD116421S - Design fob a textile fabric ob : en
  • US2171058A - Method of manufacturing roller bit structure : en
  • US2171326A - Connection for continuous structures : en
  • PL28716B1 - Elektroteohnisohe Fabrik Schmidt & Co. Gesellschaft m. B. H., Bodenbach. Lighting generator for bicycles. : en pl
  • US2171234A - Discharge device and electrode : en
  • CH206715A - Process for the preparation of an α-dicarbonyl compound of the cyclopentanopolyhydrophenanthrene series. : de en
  • GB512113A - Improvements in and relating to the utilisation of the exhaust gas energy of aircraft engines for propulsion purposes : en
  • US2171336A - Nonglare reflector : en
  • DE680473C - Electromagnetic switching device insensitive to shock loads : de en
  • AU108327B2 - Improvements in or relating to a method and apparatus removing soluble impurities from solid substances : en
  • CH206829A - High-ohmic resistor wound from wire. : de en
  • PL28931B1 - Device for treating fibrous materials with gases or liquids. : en pl
  • FR845628A - Improvements in printing or decoration of textile fabrics : en fr
  • US2170924A - Vehicle draft means : en
  • FR845660A - Method and device for the simultaneous replacement of coils in warping machines or creels : en fr
  • GB512065A - Improvements in or relating to modulated carrier wave transmitters : en
  • FR845671A - Device for automatic control of the longitudinal tilt of airplanes : en fr
  • PL28675B1 - Dansk Crown-Cork Fabrik Ved Aage Weybye-Lassen, Copenhagen. Bottle cap. : en pl
  • DE680501C - Installation rotary switch : de en
  • US2171140A - Pressure sensitive adhesive sheet : en
  • US2170942A - Feeding finger : en
  • FR845625A - Brake for motor vehicles comprising two or more sets of shoes arranged axially next to each other in a single brake drum : en fr
  • DE680408C - Statoscope or ascent and descent speed meter : de en
  • DE680506C - Installation on electrical fall stirrup regulators : de en
  • DE680625C - Yarn knitting machine : de en
  • FR845692A - Calorimetric meter device : en fr
  • FR845587A - Desizing agent : en fr
  • FR845729A - Hemorrhoidal plaster : en fr
  • CH206727A - Process for the preparation of compounds of the anthraquinone series. : de en
  • PL28829B1 - Device for guiding and tensioning the belt driving the drive drum in cutting, twisting and similar textile machines. : en pl
  • US2171168A - Radiator cap assembly : en
  • US2171325A - Finishing tool : en
  • US2171462A - Advertising and display sign : en
  • FR845568A - Improvements to piston and cylinder type distributors : en fr
  • GB511980A - Improvements in and relating to safety razors : en
  • GB512272A - Improvements in side delivery rakes or swath turners : en
  • US2171043A - Mining machine : en
  • US2171131A - Carton and article feeding mechanism : en
  • US2171370A - Automatic time switch clock : en
  • USD116376S - Design for a crane bridge or similar : en
  • US2171208A - High speed spindle construction : en
  • DE680313C - Circuit arrangement for telephone systems with dialer operation and several exchanges in series : de en
  • US2170932A - Dump truck and loader therefor : en
  • PL28792B1 - Archibald Shaw Maclaren, Auchendoune. Securing a nut or bolt against self-unscrewing. : en pl
  • US2171437A - Apparatus for the electrolytic production of metallic shapes : en
  • PL28893B1 - Ackumulator-Fabriksaktiebolaget Tudor, Stockholm. Contact hydrometer. : en pl
  • DE680651C - Direction indicators for motor vehicles : de en
  • DK56590C - Elastic Cross. : da en
  • GB511994A - Improvements relating to resilient suspension systems of vehicles : en
  • GB512188A - Improvements in hurricane lanterns : en
  • GB512336A - Improvements in and relating to glass polishing apparatus : en
  • DE680569C - Molding machine with pressing device and rocker or hammer device arranged below the molding box carrier : de en
  • GB512253A - Improvements in or relating to superheterodyne receivers : en
  • GB512389A - Rotary engine for driving or pumping or compressing : en
  • FR845707A - Process for metallizing metal articles by sputtering or thermal vaporization in vacuum : en fr
  • US2170846A - Automatic compressor unloader : en
  • US2171491A - Brake and pressure fluid : en
  • FR845725A - Process for manufacturing decorated objects and objects obtained by means of this process : en fr
  • GB512362A - Improvements in and relating to whaling harpoons with explosive shells : en
  • PL28631B1 - Telefunken Gesellschaft fur drahtlose Telegraphie m. B. H., Berlin. A transmitter for transmitting short pulses. : en pl
  • DE680399C - Conveyor roller in paper processing machines equipped with suction devices : de en
  • FR845614A - Anti-oxidants in rubber : en fr
  • DE680539C - Process for the production of surgical sewing material (catgut) : de en
  • PL28652B1 - Method of separation by interaction. : en pl
  • US2171226A - Electron discharge device : en
  • US2171383A - Golf club head : en
  • AU446738A - An improved drill cultivator : en
  • FR845715A - High-power electric switch with extinguishing of the arc by means of an extinguishing agent animated by a flow movement, in particular a gaseous agent : en fr
  • GB511974A - Improvements in and relating to the manufacture of wooden boxes : en
  • DE680361C - Metal vapor or noble gas rectifiers : de en
  • USD116343S - Design for a motor support : en
  • US2171376A - Head treating device : en
  • DE680544C - High excavator for the removal of superimposed layers of overburden and coal : de en
  • GB512271A - Improvements relating to rubber tyred disc wheels such as castor wheels : en
  • GB512102A - Improvements in and relating to electrical condensers : en
  • US2170827A - Cellulosic pellicles and methods for producing same : en
  • GB512290A - Improvements in or relating to pencil pointers : en
  • US2170792A - Polishing machine : en
  • DE680545C - Plant for rotating deep drilling : de en
  • FR845650A - Process for making bonded permanent magnets : en fr
  • GB512063A - Method of and apparatus for lining tubes : en
  • GB512116A - Improvements in crates, boxes or cartons for carrying wireless valves, cathode tubesand other fragile articles : en
  • GB512236A - Improvements in or relating to the treatment of cellulosic textile fibres and materials, and the products resulting from such treatment : en
  • GB512084A - Improvements in or relating to incandescent-cathode current-converting discharge tubes : en
  • GB512104A - Improvements in and relating to machines for grinding the edges of plates, such as lenses : en
  • DE680621C - stocking : de en
  • GB512406A - Improvements in or relating to hook adapters for bolts : en
  • US2171252A - Sash counterbalancing means for window frames : en
  • USD116346S - Design fob a cupboard : en
  • GB512278A - A new or improved device for use in handling or manipulating wheels of motor lorries or the like : en
  • FR845664A - Improvements to objectives : en fr
  • GB512003A - Improvements in apparatus for twisting filaments, threads, bands and the like : en
  • GB512128A - Improvements in or relating to resolving, calculating or computing mechanism particularly for use in gun-fire control apparatus : en
  • DE680447C - Sewing machine with needle bar that can be swiveled in the feed direction : de en
  • DE680456C - Method of making an antithyroid substance : de en
  • FR845698A - Improvements to protective devices against artillery projectiles : en fr
  • DE680300C - Electric light tube with positive gas column and inner cover with fluorescent substances : de en
  • US2171035A - Display rack : en
  • AU108477B2 - Improvements in controlling devices for flashing signs andthe like : en
  • AU108288B2 - Improvements in and relating tothe operation of vertical carbonising retorts : en
  • CH206843A - Method for producing a gas-filled incandescent lamp, in particular a double-helix incandescent lamp, and incandescent lamp produced by this method. : de en
  • CA383702A - Vehicle wheel : en fr
  • AU158539A - Braking mechanism : en
  • GB512400A - Improvements in and relating to gas blast electric switches : en
  • US2171221A - Supporting structure for porcelain enameled pans : en
  • GB512349A - Improvements in or relating to collapsible boxes : en
  • FR845593A - Automatic air inlet valve : en fr
  • FR845798A - Rotary gas engine with jet turbine : en fr
  • US2170987A - Convertible camp bed and luggage carrier : en
  • US2171404A - Revolving hoist : en
  • GB512354A - Improvements in telephone systems : en
  • GB512002A - Improvements in and relating to the production of rayon yarn : en
  • GB512387A - Improvements in or relating to process of reclaiming waste sands : en
  • FR845751A - Navigation watch device : en fr
  • GB511976A - Improvements in or relating to steam heating systems : en
  • US2170978A - Coasting device : en
  • FR845563A - Process for improving the stability of alkaline solutions containing azo dye components of a phenolic nature : en fr
  • DE680589C - Feeding device for the feed rollers on Haecksel machines : de en
  • GB512348A - Improvements relating to the tuning of radio receivers : en
  • US2171385A - Clutch : en
  • US2171392A - Variable leverage mechanism for vehicle brakes : en
  • DE680424C - Process for the production of drying oil paints with a high pigment content : de en
  • GB512327A - Improvements in or relating to thermionic valve circuits : en
  • FR845687A - excitation electrodes : en fr
  • GB511987A - Improvements in machines for making golf balls : en
  • DE680562C - Hatch lock consisting of an outer and an inner cover : de en
  • US2171369A - Hot water heater : en
  • USD116437S - Design for a dress : en
  • PL28633B1 - A method of hot production of wide metal strips using a four-roll return rolling mill. : en pl
  • PL28686B1 - : en pl
  • FI18572A - Milk cooler : en fi
  • PL28752B1 - Loudspeaker device in which at least one acoustic screen loudspeaker is suspended from the wall with a slight gap between the wall and its acoustic screen. : en pl
  • GB511954A - Improvements in or relating to the charging pumps of internal combustion engines : en
  • FR845730A - Thruster for air and sea vessels : en fr
  • FR845752A - Mode of recovery of the dynamic energy absorbed by the slowing down of a rotating organ : en fr
  • GB512021A - Improvements in means for locking or securing pivot pins for the valve gear of internal combustion engines : en
  • GB512411A - Improvements in or relating to dust collectors : en
  • AU431038A - Improvements in and relating to electrical communication systems involving automatic gain control apparatus : en
  • CH206908A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • DE680607C - Voters, in particular labeling voters : de en
  • PL28689B1 - : en pl
  • US2171454A - Combination storm and screen sash : en
  • CH206765A - Process for processing the used coal feed from aluminum electrolysis melting furnaces. : de en
  • AU374739A - Improvements in and relating to the utilization of the exhaust gases of internal combustion air-craft engines : en
  • PL28769B1 - Steering device for trailers. : en pl
  • PL28855B1 - Polish Light Bulb "Osram" Spółka Akcyjna, Warsaw. 'Electric reflector bulb. : en pl
  • FR845681A - Rotating capacitor with rotor fixed isolated on the metal shaft : en fr
  • GB512328A - Improvements relating to parquet flooring : en
  • AU79139A - Improvements in or relating to insulated electric conductors : en
  • CH206870A - Packaging means. : de en
  • GB512227A - Improvements in or relating to permanent brake magnets of high coercive force : en
  • GB512228A - Automatic fire-arm with breech mechanism locked by inertia : en
  • US2171213A - Television transmitting tube and electrode structure : en
  • US2171492A - Coin collecting and object distrib : en
  • AU119939A - Improvements in gas-tight seals whereby electric conductors pass into a vitreous envelope : en
  • CH206896A - Process for the preparation of a quaternary amino fatty acid amide derivative. : de en
  • AU108301B2 - Improvements in or relating particularly to interchangeable wheels for tractors orthe like : en
  • GB512096A - Improvements in the sealing of shafts : en
  • US2171471A - Fountain attachment for faucets : en
  • AU42639A - Improvement in belt construction : en
  • PL28610B1 - Fried. Krupp Grusonwerk Aktiengesellschaft, Magdeburg-Buckau. Foam device for interaction with a stirrer. : en pl
  • SU55533A1 - Beet harvesting machine : en ru
  • US2171010A - Random thatch roof construction : en
  • US2171191A - Windshield frame structure : en
  • CA383718A - Freight container : en fr
  • AU386038A - Hydraulic bag loader : en
  • CA383731A - Lubricating apparatus : en fr
  • CH206889A - Electric locking device for points. : de en
  • CH206922A - Machine for the intermittent processing of rod-shaped material, in particular parting machine. : de en
  • USD116433S - Design for a dress ensemble : en
  • SU55589A1 - Hydraulic mobile stand : en ru
  • US2170867A - Pencil : en
  • CA383744A - Hydrocarbon oil processing : en fr
  • PL28917B1 - A method of purifying p-oxyphenylacic acid. : en pl
  • US2170903A - Telephone system : en
  • CA383750A - Textile material processing : en fr
  • FR845592A - Pyrophoric lighter : en fr
  • DE680493C - Device for holding rigid, curved printing plates on a hollow forme cylinder of rotary printing machines : de en
  • DK56593C - Procedure for the manufacture of high-boiling hydrocarbon products from carbonaceous materials. : da en
  • US2170926A - Automatic transmission : en
  • US2170980A - Vehicle coupling : en
  • DE680608C - Device for shifting a high frequency voltage to another potential : de en
  • US2170931A - Method for the production of patterned objects from powdered materials and the like : en
  • GB512234A - Improvements in and relating to copying cutting machines : en
  • US2171004A - Filter or strainer : en
  • US2171285A - Compressor regulator : en
  • USD116347S - Design for a dress : en
  • USD116402S - Design for : en
  • GB511963A - Improvements relating to epicyclic variable speed-gearing for use with dynamo electric machines : en
  • FR845574A - Stationary furnace for the distillation of agglomerates of coal or carbonaceous materials : en fr
  • GB512023A - Means for forced commutation of current in a converting arrangement employing a discharge device : en
  • US2170807A - Merocyanine dyes from barbituric acids : en
  • US2171450A - Means for detecting ice forming conditions, particularly when encountered by aircraft : en
  • US2171021A - Hinge : en
  • US2170836A - Variable speed dynamo-electric power transmitting and converting device : en
  • US2171483A - Golf club : en
  • FR845559A - Fuel injection pump, etc., having a pump ring which can rotate eccentrically to the pump drum : en fr
  • CH206709A - Process for the production of mixed crystals from tantalum and niobium carbide. : de en
  • GB512066A - Improvements in and relating to refuse containers : en
  • GB512080A - Improvements in steam injectors : en
  • GB512120A - Improvements in or relating to or in connection with fire appliances : en
  • GB512241A - Improvements in or relating to magnetic separators : en
  • DE680527C - Overlay lock with cover box made of plastic to be put over it : de en
  • GB512189A - Improvements in the manufacture and production of vat dyestuffs : en
  • USD116387S - Design fob a textile fabric or : en
  • US2170910A - Combination lifting jack and wheel locking arrangement for automobiles or like vehicles : en
  • USD116375S - Design for an oil burner pumping : en
  • GB512403A - Improvements in or relating to automatic stopping devices for gramophones : en
  • USD116364S - Design for : en
  • DE680575C - Separating device for the separation of minerals by means of a heavy fluid : de en
  • DK56616C - Sewing machine, preferably for Footwear. : da en
  • US2171165A - Shielded spark plug : en
  • US2171237A - Vapor lamp : en
  • FR845665A - Perfect stopper for sparkling wines and its production process : en fr
  • PL28795B1 - : en pl
  • GB512109A - Improvements in or relating to television or other signal transmission systems : en