• US2041695A - Shoe form : en
  • US2041882A - Retort construction : en
  • PL23098B1 - Head for cameras that record sounds on a sound carrier according to the PoulserTa system. : en pl
  • PL23111B1 - A method for producing a synthetic pre-fabric and an apparatus for carrying out the method. : en pl
  • SU46867A1 - Tool for removing cotton from brushes of container cleaning machine : en ru
  • AT145975B - Process for the preparation of non-agglutinating suspensions of animal tissue cells. : de en
  • SU47141A1 - Reactive internal combustion turbine : en ru
  • CA358190A - Chemical reaction method and apparatus : en fr
  • US2041788A - Manufacture of dipped goods : en
  • US2041841A - Method of producing fabrics of multiple loom width : en
  • AT145895B - Dismountable bridge. : de en
  • CA358201A - Bait : en fr
  • CH184370A - Sealing ring. : de en
  • DE630453C - Filters for separating dust from air or gases : de en
  • FR798910A - Batteries with direct or indirect air depolarization : en fr
  • SU47056A1 - Soap Dish for dispensing soap in small portions : en ru
  • US2041933A - Telephone system : en
  • US2042357A - Closure for bottles, jars, tin cans, and the like : en
  • PL23140B1 - Chassis frame for motor vehicles. : en pl
  • PL23071B1 - A method for producing phosphorus fertilizers and an apparatus for carrying out the method. : en pl
  • DE630525C - Process for the production of metal oxide-containing sols or highly dispersed suspensions : de en
  • CH184520A - Process for increasing the viscosity of tars. : de en
  • CA358175A - Proportioning apparatus : en fr
  • FR798846A - Support for deformable tubes containing pasty or liquid materials : en fr
  • FR798897A - Phonograph records and method of making them : en fr
  • GB447846A - Improvements in and relating to moving-coil loud speakers : en
  • US2042194A - Stripping dyeings prepared with vat dyestuffs : en
  • SU47015A1 - A method of manufacturing valve photo cells and rectifiers : en ru
  • SU47213A1 - Device for the preparation of clay solution : en ru
  • US2041814A - Process for making vinyl chloride : en
  • US2041919A - Covering for seats or cushions : en
  • US2042048A - Accelerator of vulcanization : en
  • US2042274A - Method and apparatus for protecting oil storage tanks : en
  • US2042419A - Oil return device for flooded evaporators : en
  • SU46998A1 - Device for overload protection of electrical machines : en ru
  • US2041930A - Baking oven : en
  • US2042147A - Electric discharge device : en
  • CH184538A - Process for the preparation of a mixture of quaternary ammonium compounds. : de en
  • US2041690A - Pneumaticl drill : en
  • GB447771A - Improvements in means for facilitating the unwinding of yarn, thread or the like from bobbins or the like in textile operations : en
  • US2042340A - Flyer for spinning machines : en
  • USD99780S - Design for a radiant heater : en
  • DE630270C - Process for increasing the dielectric strength of chlorinated diphenyls : de en
  • DE630571C - Track for toy trains, in which the rail butt connection is formed by the colliding track body by means of toothing of the same : de en
  • CA358091A - Sash button : en fr
  • PL23120B1 - A method of roasting sulfide ores and metallurgical products, and an apparatus for carrying out the method. : en pl
  • SU47246A1 - Device for automatic changing spools on weaving machines : en ru
  • SU47008A1 - Device for measuring small electromotive forces : en ru
  • SU47206A1 - Mechanism to the exhaust apparatus Vater : en ru
  • US2041863A - Safety system for pipe lines : en
  • USD99802S - Design for a swivel chair : en
  • US2042055A - Process of sweetening sour hydrocarbon oil : en
  • USRE19984E - Method of treating tobacco : en
  • SU47113A1 - Machine for silvering sand, powder and similar materials : en ru
  • CH184470A - A preparation of dyes that is suitable for textile printing and is printed in a reduced state. : de en
  • DK51681C - Acoustic Vibration Generator, especially Organ Pipe. : da en
  • CH184345A - Arrangement for beam control for electrical light barrier devices. : de en
  • AT145813B - Process for the production of creped or crimped synthetic threads. : de en
  • AT145978B - Closure for galvanic cells. : de en
  • CH184420A - Process for the preparation of a stereoisomeric alcohol. : de en
  • AT145950B - Compensation circuit, in particular for remote measurement purposes. : de en
  • CH184389A - Method for establishing the junction of electrical conductors formed by hollow cords, and junction established according to this method. : en fr
  • FR798723A - Process for preparing an emulsion for impregnating wood : en fr
  • FR798809A - Compression regulator for variable speed combustion engines : en fr
  • GB447914A - Improvements in and relating to umbrellas : en
  • GB447955A - Photographic cameras : en
  • GB448043A - Improvements in or relating to carrier wave signalling systems : en
  • DE630506C - Process and device for the production of coarse-grained crystals by vacuum evaporation and gradual cooling : de en
  • GB447887A - Improvements in or relating to the manufacture of explosives : en
  • CH184220A - Method of manufacturing a plywood door and door obtained by this method. : en fr
  • DE630302C - Tobacco sheet feeding device, especially for stalking machines : de en
  • SU46974A1 - A device for receiving vision : en ru
  • SU47013A1 - The method of manufacture of copper-acidic straighteners : en ru
  • US2042423A - Process for the manufacture of dyestuffs of the anthraquinone series : en
  • DE630564C - Device for cleaning and disinfecting milk cans and similar vessels : de en
  • AT145906B - Control levers, especially for railway safety systems. : de en
  • CA358099A - Titanium steel production : en fr
  • CH184339A - Device for measuring wheel and axle camber as well as the lead in motor vehicles. : de en
  • FR798972A - Process for manufacturing annular fittings for firearms, such as grenadiers, mouthpieces and nasturtiums : en fr
  • GB447732A - Apparatus for separating fine and coarse material particles : en
  • CH184297A - Process for the production of acetic anhydride. : de en
  • CH184444A - Sales and exhibition box that can be set up at an angle. : de en
  • CH184501A - Process for producing a transparent, blue paint. : de en
  • AT145969B - Rotary balance. : de en
  • SU47003A1 - The method of starting a single-phase collector AC motor : en ru
  • FR798933A - Cold cathode tubes : en fr
  • FR798965A - Improvements to machines for drawing highly elongated filaments : en fr
  • FR798860A - Improvements to filtration devices : en fr
  • US2041943A - Counting device : en
  • USRE19987E - Road working machine : en
  • FR798752A - System of elastic suspension of the wheels with respect to the chassis, in particular in the case of motor car wheels whose movements are damped independently of each other : en fr
  • US2042106A - Filter faucet : en
  • US2042203A - Electric hot plate and method of making same : en
  • US2042262A - Distributing device for doughnut machines : en
  • SU46888A1 - Apparatus for carrying out catalytic reactions : en ru
  • DE630466C - Cottonsock : de en
  • SU46858A1 - Shtangobarova machine : en ru
  • SU46941A1 - Rotary forked can for metal release from melting furnaces : en ru
  • PL23100B1 - Furnace for the production of gas and coke. : en pl
  • SU46983A1 - The method of winding bakelite and similar pipes of various shapes of cross section : en ru
  • US2041876A - Track working machine : en
  • SU47040A1 - Machine for sorting skins by length : en ru
  • SU47257A1 - Single-phase synchronous asynchronous motor : en ru
  • US2042221A - Production of unsaturated esters and products thereof : en
  • GB448493A - Improvements in or relating to rails having end tread surface areas hardened by heat treatment : en
  • DE630554C - Saw device with saw blade clamped on both sides : de en
  • US2042281A - Comparative colorimeter : en
  • US2042296A - Insecticide : en
  • FR798986A - Adjustable acoustics device for broadcasters and in particular for radio broadcasters : en fr
  • DE598429C - Process for the production of color-correct printing forms for multi-color printing : de en
  • DK51674C - Pipe base. : da en
  • FR798725A - Wall made of bricks, concrete blocks, etc. : en fr
  • FR798785A - Device for remote control of a flush valve, by opening or closing a door : en fr
  • SU46894A1 - The method of storage and transportation of pyrites in the wintertime : en ru
  • US2042072A - Screening apparatus : en
  • DE630495C - Pumice tool : de en
  • FR799034A - Extended expansion heat engine : en fr
  • US2042179A - Seat connection : en
  • USD99794S - Design for a flashlight : en
  • SU47053A1 - Shoe Sole Cleaner : en ru
  • SU47072A1 - Method of stamping rubber soles to canvas and leather shoes : en ru
  • US2042205A - 5-tertiarybutyl-1-mercapto-benzo-thiazole and method of making same : en
  • DE630507C - Process for the production of mesityl oxide and its homologues from acetone or the homologous saturated ketones : de en
  • US2042429A - Product from ordinary garbage and process of preparing same : en
  • AT145810B - Process for the production of structures from aqueous solutions of cellulose or cellulose compounds. : de en
  • US2042191A - Apparatus for injecting graphite into engines : en
  • SU46880A1 - Folder for bookbinding production : en ru
  • SU47249A1 - Device for adjusting horizontal wind turbines with forcibly rotated blades : en ru
  • AT145758B - Electrode for vacuum discharge vessels, in particular for power converters for higher outputs. : de en
  • AT145804B - Process for the production of nitrogen-rich mashes, preferably additional mashes. : de en
  • DK51675C - Apparatus for the combustion of liquid fuels. : da en
  • FR798995A - Piston machines, in particular pump for pumping viscous or pasty products : en fr
  • GB447850A - Method of controlling the temperature in a closed vessel : en
  • DE630368C - Control force meter for aircraft : de en
  • FR798889A - reinforced concrete elements for fences and walls without posts : en fr
  • FR798980A - Composition materials for printing : en fr
  • GB447775A - Process for the manufacture of azodyestuffs : en
  • US2042049A - Method for the production of dials, scales and the like : en
  • US2042225A - Conversion of halogenated alcohols to carbonylic compounds : en
  • SU47140A1 - Solar boiler : en ru
  • US2042195A - Electric discharge device : en
  • AT145994B - Machine system, consisting of a motorized power source, energy consumer and energy storage. : de en
  • DE630569C - Ski binding with adjustable toe pieces : de en
  • FR798850A - Photographic press frame : en fr
  • FR798992A - Cathodic oscillograph : en fr
  • US2041696A - Insulating board : en
  • US2041884A - Brake mechanism : en
  • DE630545C - Device for sintering or roasting powdered ores : de en
  • GB447893A - Improvements in or relating to motor compressor units or superchargers for supplying a combustible mixture to burners or internal combustion engines : en
  • FR799048A - New way of assembling endless chain links : en fr
  • GB448027A - Improvements in or relating to the scraping, planing or cleaning of metal and other surfaces : en
  • GB447781A - Improvements relating to motor vehicle seats : en
  • GB447954A - Improvements in or relating to the treatment of rubber : en
  • SU47171A1 - Device for exhaust air from the pneumatic pump : en ru
  • US2042327A - Tunnel liner : en
  • CH184487A - Process for the preparation of an azo dye. : de en
  • FR798837A - Improvements to the saponification of cellulose ester-based materials : en fr
  • FR798848A - Improvement of gabions for hydraulic constructions or other applications : en fr
  • GB447992A - Improvements in signs such as traffic control signs : en
  • US2042415A - Loom temple : en
  • AT145931B - Method and device for producing photographic recordings of sound or image streams. : de en
  • CH184338A - Timepiece for determining the hour's angle of the sun to the Greenwich meridian for any equation of time. : en fr
  • DE630484C - Starting control for internal combustion engines : de en
  • US2041960A - Combination mirror and comb : en
  • CH184313A - Means for preventing the formation of moisture fogging and method for the production thereof. : de en
  • US2041764A - Feeding device for grinders : en
  • US2042421A - Electrical installation : en
  • US2041881A - Control cards for statistical machines : en
  • US2042307A - Loom shuttle structure : en
  • DE630422C - Protective cover for fire-extinguisher towels : de en
  • FR798808A - Improvements made to tanks to make them waterproof : en fr
  • GB447984A - Improvements in and relating to alternating current electric motors : en
  • US2041870A - Air conditioning equipment : en
  • US2042237A - Travel sound source : en
  • DE630349C - Button cleaning device : de en
  • SU46871A1 - Method for continuous bleaching of cotton products : en ru
  • SU46991A1 - Device for automatic stabilization of shunt motor speed : en ru
  • SU47196A1 - Diopter sighting device : en ru
  • US2042024A - Strike plate : en
  • US2042273A - Scraping tool : en
  • SU46896A1 - Apparatus for concentrating sulfuric acid : en ru
  • SU47255A1 - A method of making Nipkoff discs photographically : en ru
  • US2042042A - Pulverizer : en
  • SU46898A1 - The method of oxidation of nitrites contained in nitrate liquors : en ru
  • US2041906A - Valve : en
  • US2041934A - Spindle bearing : en
  • US2041975A - Combined eyeglass pad and support : en
  • US2042379A - Metalworking apparatus : en
  • CH184276A - Changeable bust for tailoring purposes, and method and apparatus for making the same. : de en
  • US2042154A - Extendible and adjustable clasp for watch-bracelets or the like : en
  • US2042350A - Diotch gate : en
  • USD99781S - Design for a radiant heater : en
  • AT145854B - Method and device for lowering plants sown in rows and in previously loosened soil. : de en
  • AT145911B - Road snow plow with blades loaded by leaf springs. : de en
  • SU47014A1 - The method of applying thin layers of silver : en ru
  • FR798731A - Pneumatic separator with oscillating sorting surface, intended for sorting coal or similar materials : en fr
  • FR798702A - Light source for photographic processes or projection purposes : en fr
  • FR799042A - High voltage transformer for television sets : en fr
  • FR798853A - Improvements to cellulose esters and derived products : en fr
  • FR798932A - Two-stroke engine : en fr
  • USD99792S - Design fob a flashlight : en
  • PL23109B1 - : en pl
  • CH184319A - Fine filter system for drinking water. : de en
  • US2042354A - Window sash and frame : en
  • FR798956A - Improvements in the surface treatment of aluminum and aluminum alloys : en fr
  • DE630273C - Tiltable headlight with a high-performance arc lamp : de en
  • FR798991A - Product for household use, intended for polishing and shining : en fr
  • FR799037A - Process for the production of oxygenated organic compounds with 10 or more carbon atoms in the molecule : en fr
  • FR799038A - Device for supporting the connecting rod of a mower : en fr
  • US2042339A - Ready bound crate : en
  • DE630284C - Counterweight arrangement on floating cranes : de en
  • DE630255C - Spool spindle drive for cross-winding machines, especially twisting machines, for the production of conical rayon spools : de en
  • US2041800A - Wallboard joint construction : en
  • FR798736A - Umbrella branch end holder, for sewing machines : en fr
  • DE630367C - Paper cloth roll holder with cloth feeder : de en
  • FR798987A - Improvements to echo sounding methods and devices : en fr
  • US2042366A - Loose leaf folder : en
  • GB447931A - Improvements in or relating to the mounting of guns on aircraft : en
  • CA358183A - Fuel feeding system : en fr
  • CH184434A - Circuit arrangement for automatic and semi-automatic telephone systems with register facilities. : de en
  • US2042218A - Recovery of organic acid esters : en
  • PL23056B1 - The method of producing azo dyes. : en pl
  • SU46981A1 - High frequency insulated wire : en ru
  • GB447748A - Improvements relating to sensitive photographic elements : en
  • AT145771B - Lighting device for sewing machines. : de en
  • US2042052A - Process for treating mineral oils : en
  • US2041832A - Plow attachment for tractors : en
  • US2041860A - Heddle and method of making the same : en
  • SU47067A1 - Adaptation to the fire curtain designed to prevent smoke from entering the auditorium. : en ru
  • DE630299C - Aircraft wheel brake : de en
  • DE630469C - Stew pan : de en
  • US2042248A - Engine starter : en
  • FR798929A - Polymers and process for making them : en fr
  • SU46942A1 - Wood-burning stove for heating metals : en ru
  • CH184331A - Removable box mounted on feet. : en fr
  • US2042110A - Plasterer's mortarboard stand : en
  • US2042054A - Process for sweetening hydrocarbon oil : en
  • US2042351A - Indicator : en
  • US2042103A - Apparatus for heating and agitating wells : en
  • FR798871A - Lead-sheathed electrical cable and its manufacturing process : en fr
  • FR799047A - Case for mechanical razor : en fr
  • FR798909A - Improvements in suspension systems for road vehicles : en fr
  • FR799014A - Arrangement of the lighting or starting dynamo, in particular in motor vehicles : en fr
  • FR798747A - Residential fireplace : en fr
  • FR798816A - Remote control device for machine guns or other firearms : en fr
  • GB447779A - Improvements in or relating to the manufacture of cigarettes with filter tips : en
  • US2042235A - Speed change power transmission : en
  • DK51685C - System for spatial radio bearing. : da en
  • SU46957A1 - Fixture to prevent dust getting into box bearings : en ru
  • SU46902A1 - Apparatus for the oxidation of yellow phosphorus to phosphoric anhydride : en ru
  • USD99777S - Design for a textile fabric or : en
  • SU46948A1 - A device for crossing people across rivers under water : en ru
  • CH184367A - Wristwatch strap. : en fr
  • SU47219A1 - The method of welding the ends of porcelain tubes, for example, for pyrometric devices : en ru
  • FR798895A - Cinematographic apparatus for advertising : en fr
  • DE630289C - Device for the distillation of zinc and similar metals : de en
  • DE630503C - Switch-off device for feed pumps of liquid containers : de en
  • DE630467C - Process for producing a low-water hard emulsion : de en
  • PL23132B1 - : en pl
  • CH184240A - Machine for shaping the ends of fitted glass tubes into bottle necks. : de en
  • CH184423A - Process for the preparation of the acetate of 3.6-diamino-10-methyl-acridinium hydroxide. : de en
  • CH184312A - Method of manufacturing a paint. : de en
  • AT145855B - Drum mill. : de en
  • CH184378A - Internal combustion engine system. : de en
  • CH184318A - Process for the preparation of a solution of rubber or rubber-like substances. : de en
  • SU47163A1 - Stunt film making device : en ru
  • US2041787A - Aircraft : en
  • DE630383C - Discharge conveyor belt for dismantling devices, especially excavators : de en
  • DK51695C - Brake lining. : da en
  • FR798903A - Pneumatic suction cups : en fr
  • GB447848A - Improvements in or relating to metallic closures for bottles and jars, and methods of making the same : en
  • PL23113B3 - The device for generating the propelling force by means of liquid air, working in a closed circular cycle. : en pl
  • SU46852A1 - A method of manufacturing lacquered electrically insulating fabric : en ru
  • SU47158A1 - The method of frying potatoes and pikeperch in deep fat : en ru
  • PL23137B1 - A method of producing chromium-containing dyes. : en pl
  • US2042015A - Apparatus for casting sleeve-like bodies : en
  • US2042251A - Audion tester : en
  • AT145872B - Knife-wheel chopper. : de en
  • US2042318A - Cutting device : en
  • CH184513A - Process for the production of a transparent, orange lacquer. : de en
  • DE630486C - Double row transverse ball bearing : de en
  • CH184460A - Anti-skid and anti-skid device on rubber-tired motor vehicles. : de en
  • US2042396A - Headlight : en
  • USD99787S - Design for an electrical connecter : en
  • AT145784B - Safety razor. : de en
  • PL23135B1 - Electric sparkling bulb. : en pl
  • SU46865A1 - Method and device for turning inside products of leather, cloth, paper, etc. : en ru
  • SU47035A1 - Vertical gas stove : en ru
  • SU47150A1 - Device for automatic shutter of the pipeline when it breaks : en ru
  • US2041730A - Printing mechanism : en
  • US2042152A - Swimming device : en
  • US2042186A - Valve construction : en
  • AT145912B - Compressible lubrication pad frame with articulated guide for railcar axle bearings. : de en
  • AT145852B - Process for the production of polyvinyl compounds. : de en
  • DE630303C - Method and device for producing a cigarette rod containing alternately tobacco inserts and mouthpiece inserts : de en
  • SU47111A1 - Method for determining moisture of skin and other materials : en ru
  • US2041781A - Fountain pen packing unit : en
  • US2042298A - Process for the purification and desulphurization of low boiling distillates : en
  • USD99801S - Design for a table : en
  • GB447859A - Improvements in and relating to refrigerating machines : en
  • DE630390C - Air defense facility : de en
  • CA358134A - Brake shoe clearance adjuster : en fr
  • DE630497C - Process for the production of mortar : de en
  • US2042392A - Braking of vehicles : en
  • AT145792B - Record player table. : de en
  • AT145980B - Heat dispenser for catalytic combustion. : de en
  • CH184408A - Process for recovering krypton, xenon, or a mixture of these two gases, which remain in the gas supply piping of the filling devices of incandescent electric lamps. : en fr
  • AT145915B - Machine for the production of packaging for larger, especially assembled objects. : de en
  • SU46915A1 - A method of producing aromatic hydrocarbons from fatty hydrocarbons : en ru
  • US2041842A - Electric cable and method of manufacturing it : en
  • US2041992A - Rear supporting and driving means for motor vehicles : en
  • US2042085A - Compressor unloader : en
  • US2041742A - Cutting machine : en
  • US2042276A - Closet seat operator : en
  • CA358087A - Refrigerating method : en fr
  • CA358090A - Forester's fire-line plough : en fr
  • CA358073A - Acetaldehyde manufacture : en fr
  • CH184237A - Device for the protection of hydropower plants from damage in the event of fractures in parts of the plant used to conduct water. : de en
  • US2041952A - Motion reproducing unit : en
  • DE630480C - Self-seller with a coin plate arranged over a rotating drum : de en
  • AT145961B - Device for the invisible holding of the two freely hanging flaps of a self-tie : de en
  • BE415280A - : en
  • SU46982A1 - Device for absorbing vibrational energy of air wires of transmission lines : en ru
  • US2041686A - Wringer : en
  • DE630378C - Racket with pneumatic string tensioning device : de en
  • DE630435C - Electric display device for changes in density of liquids : de en
  • US2041687A - Electric hair drier : en
  • US2041783A - Method for producing a synthetic resin : en
  • CH184427A - Apparatus for the antiseptic treatment of wounds by electrolysis. : en fr
  • FR798788A - Improvements to automatic or semi-automatic telephone systems : en fr
  • FR798977A - Wood gas purification process and purifier for the implementation of this process : en fr
  • GB447766A - Improvements in carburetting apparatus for use with burners and internal combustion engines : en
  • GB447727A - Improvements relating to braking apparatus for railway and other vehicles : en
  • GB447787A - Improvements relating to control valves for fire extinguishing installations : en
  • US2041861A - Engine starter : en
  • US2042022A - Coin wrapper : en
  • US2042027A - Sound on film reproduction : en
  • US2042258A - Universal dividing head quadeant : en
  • USD99812S - Design fob a bathing cap : en
  • CA358123A - Laminated glass : en fr
  • PL23121B1 - A tripod especially for X-ray purposes. : en pl
  • SU47076A1 - Method and autoclave for regenerating rubber containing textiles : en ru
  • SU47184A1 - Wagon : en ru
  • SU47211A1 - Concrete Stone Making Machine : en ru
  • US2042184A - Lubricator : en
  • DE630518C - Light meter : de en
  • USD99793S - Design for a flashlight : en
  • US2041736A - Typewriter : en
  • US2041829A - Azo-dyestuffs : en
  • US2042013A - Fast freezing apparatus : en
  • DE630380C - Winding device for watches using a liquid or gaseous pressure medium : de en
  • FR798961A - Polycultivator farm tractor : en fr
  • GB447985A - The production on the fibre of insoluble azo dyestuffs : en
  • AT145799B - Joint closure or joint connection between two concentric members that can rotate relative to one another is resistant to highly viscous liquid or plastic mass under high pressure. : de en
  • CH184233A - Electrical resistance. : de en
  • FR799027A - fixed operating room lighting : en fr
  • GB447713A - Improvements in and relating to the treatment of metals or alloys containing tin : en
  • GB448040A - Improvements in or relating to apparatus for playing games : en
  • CH184307A - Process for the preparation of a water-soluble monoazo dye. : de en
  • DE630382C - Slewing mechanism for excavators with a central part carrying the discharge conveyor and an upper part carrying the bucket ladder : de en
  • SU46951A1 - Pneumatic sandbox : en ru
  • US2041896A - Carbonaceous bearing material : en
  • GB447937A - Improvements in or relating to coke ovens : en
  • GB447838A - Improvements in or relating to echo sounding apparatus : en
  • US2041828A - Joint for rail ends and splice bars therefor : en
  • SU46913A1 - The method of preparation of the abrasive material : en ru
  • SU47074A1 - Adaptation to the press to eject the mandrel in the manufacture of textolite taps : en ru
  • US2042190A - Air-metering device : en
  • US2042239A - Tooth brush : en
  • US2042422A - Shedding mechanism for looms : en
  • CH184508A - Process for the production of a transparent, green paint. : de en
  • US2041932A - Sealed carton : en
  • US2042187A - Network distribution system : en
  • DE630318C - Device for further development of the sizes of the target triangle when shooting at moving air targets : de en
  • DE630332C - Device for torque support of angular gears on vehicle driving axles : de en
  • AT145949B - Footwear, in particular for gymnastics and bathing purposes. : de en
  • CH184298A - Process for at least partial dehydration of organic carboxylic acids. : de en
  • AT145907B - Liquid brake with locking device for vehicles of all kinds. : de en
  • CH184243A - Mixed gas generator. : en fr
  • FR798877A - Improvements in the construction of devices for vacuum cleaning : en fr
  • FR798911A - Colorant mixtures : en fr
  • FR798996A - Piston machine comprising a butt head : en fr
  • US2041793A - Slotted wing : en
  • US2042389A - Cross tie raiser for railroads : en
  • FR798971A - Inflating device for fluid pressure casting machines : en fr
  • SU46988A1 - Device for remote switching current receivers : en ru
  • SU47197A1 - Shooting Training Device : en ru
  • FR798783A - Method and devices for the automatic opening of entrance doors to buildings, fitted with door closers : en fr
  • GB447953A - Improvements in or relating to folding tables or the like articles : en
  • PL23122B1 - Water-soluble seed dressing and method of its preparation. : en pl
  • GB447867A - Improvements in piano string systems : en
  • DE630274C - Lighting arrangement for motorways and highways : de en
  • US2041962A - Ventilated plumbing fixture : en
  • US2042035A - Lubricant containing pseudopimaric acid and the preparation thereof : en
  • FR798984A - Improvements to discharge tubes : en fr
  • FR799012A - Bathing trunks or for other uses : en fr
  • GB447703A - Improvements relating to trailable point operating mechanism for railways and the like : en
  • FR798781A - Combined explosion and extinguishing device with audible warning device : en fr
  • FR798935A - Improvements to electrical contacts and switches using these improvements : en fr
  • GB447724A - Improvements in cushionings of automobiles or like vehicles : en
  • GB447961A - Improvements in or relating to brush-making machines : en
  • FR798892A - Method and devices for determining whether a certain intensity limit is exceeded by noise generated by motor vehicles : en fr
  • CH184419A - Process for the preparation of a mixture of stereoisomeric dihydrofollicle hormones of the formula C18H24O2. : de en
  • US2041916A - Fluid pressure motor : en
  • US2042064A - Runner for centrifugal machines : en
  • FR798720A - Aircraft fuel meter : en fr
  • GB447699A - Improvements in, or relating to, crates or containers for milk bottles and the like : en
  • GB447706A - Improvements in fasteners for securing and supporting wearing apparel : en
  • DE630452C - Process for separating suspended particles from gases or vapors : de en
  • DE630508C - Lever tensioning device for contact lines : de en
  • GB447784A - Improvements in or relating to braces, suspenders and the like for wear : en
  • DE630290C - Cathode for the electrolytic deposition of metals : de en
  • GB447700A - Improvements in and relating to dobbies : en
  • FR798810A - Device for the application of paint stains or other liquids for all uses : en fr
  • US2042345A - Oscillation generation : en
  • US2042384A - Constant temperature refrigerator : en
  • US2041843A - Electric pocket lamp : en
  • US2041957A - Method of working up low valued materials such as pitch, acid sludge, and the like : en
  • DE630220C - Process for the production of capsules of the anthraquinone series : de en
  • DE630236C - Spring-loaded flap hinge for openings on aircraft : de en
  • DE630386C - Axle bearings, especially for rail vehicles : de en
  • DE630470C - Method and device for making skinned fish fillet : de en
  • DE630544C - Device for ventilating closed rooms : de en
  • DE630464C - Isolation device for antenna masts : de en
  • GB447812A - Improvements in or relating to the manufacture of wool-like artificial fibres : en
  • GB447793A - Improvements relating to the manufacture of barrels, casks, tubs and other staved containers : en
  • FR799016A - Process for preparing condensation products : en fr
  • US2041910A - Heat and sound insulation : en
  • CH184248A - Process for the production of braided seats for chairs, benches etc. with a trapezoidal seat surface braced between a trapezoidal seat frame. : de en
  • SU47237A1 - Dryer for bulk materials : en ru
  • GB448108A - A new or improved machine for treating printing plates : en
  • CH184250A - Folding armchair. : de en
  • CH184376A - Impeller for high-speed centrifugal machines. : de en
  • CH184274A - Welding blade. : de en
  • PL23104B3 - A method for degreasing and cleaning items, and an apparatus for carrying out the method. : en pl
  • GB447865A - Improvements in or relating to couplings or clamps for connecting together bars, tubes, and other structural members for scaffolding or other purposes : en
  • FR798858A - Improvements to electrical cables and insulating sheaths for electrical conductors : en fr
  • GB447795A - Improvements in and relating to apparatus for playing ball games : en
  • US2041942A - Building unit : en
  • US2042232A - Digging machine for root crops : en
  • SU46930A1 - The method of purification of groundwater from phenols : en ru
  • FR798764A - Mechanical device providing the constant continuity of all phases of the manufacture of an artificial filament : en fr
  • PL23099B1 - A button with a hair ring stiffening it. : en pl
  • US2041722A - Engine starting apparatus : en
  • US2041929A - Roof cleat and guard : en
  • SU47228A1 - Drive for endless conveyor : en ru
  • FR798756A - Printing process for embossed films : en fr
  • GB447770A - Improvements in producing and/or finishing screw threads by grinding : en
  • SU46945A1 - The device for the acceleration of rail gaps blows : en ru
  • SU47176A1 - Free balloon, made in the form of a series of individual rubber balls with a common suspension system : en ru
  • US2041770A - Stream divider : en
  • US2041985A - Mop : en
  • GB447981A - Hydraulic brake adjuster mechanism : en
  • FR798801A - Wire guide system for winding machines : en fr
  • US2041756A - Card holder : en
  • US2042123A - Loading and unloading of work in machine tools : en
  • US2042402A - Concentrator : en
  • PL23066B1 - Device for removing loads, moved by a conveyor. : en pl
  • SU47037A1 - Device for shutting off centrifugal blowers with flexible blades from a wheel : en ru
  • US2041697A - Azo dyes and method for their preparation : en
  • DE630363C - Automatic valve with a pot-like housing : de en
  • GB447883A - Method of generating steam : en
  • SU47009A1 - Method for increasing the sensitivity of measuring instruments : en ru
  • SU47036A1 - The method of cleaning gases from sulfur : en ru
  • DE1374965U - : de en
  • GB448176A - Process of treating animal fodder : en
  • DE630377C - Circuit diagram with different colored stripes for the lines : de en
  • DE630512C - Device for achieving a linear dependence of the DC voltage supplied by rectifiers with controlled discharge paths on the adjustment of the actuating element of the control : de en
  • DK51670C - Method of Preparation of Acetoacetanilide. : da en
  • FR798719A - Improvements to discharge lamps : en fr
  • DE630563C - Sidecar for bicycles : de en
  • GB448012A - Improvements in tracks for toy vehicles : en
  • SU46959A1 - Pr modic automatic air brake : en ru
  • US2041886A - Reenforced slate tile : en
  • SU46874A1 - The method of direct heating of wood in charcoal tunnel type furnaces : en ru
  • SU46939A1 - Locking device for the typewriter : en ru
  • DE630410C - Device for producing the profile of copying cams : de en
  • FR798849A - Process for the synthesis of phenols derived from cymene : en fr
  • US2042177A - Railway motor truck : en
  • PL23124B1 - Liquid with a low freezing point. : en pl
  • DE630276C - Device for pressing a flexible electrical heating element, which rests directly on the parts of a device to be heated : de en
  • DE630376C - Sole tearing machine : de en
  • FR798953A - Gear changes in oil bath and dry clutch : en fr
  • US2042039A - Package of tea-bags and the like : en
  • USD99834S - Design fob a shoe or similar : en
  • DK51693C - Glasses to protect the eyes from the dazzling effects of the sun and other light sources. : da en
  • CA358084A - Olefine hydration product : en fr
  • CH184268A - Process for increasing the capillary activity of mercerizing liquors. : de en
  • FR798930A - Signaling device for cables containing a fluid : en fr
  • GB447774A - Improvements in or relating to echo sounding apparatus : en
  • USD99817S - Design for a stoker housing : en
  • DE630359C - Device for the right-angled or almost right-angled deflection of a polarized bundle of rays : de en
  • GB447935A - Improvements in or relating to circular saw woodworking machines : en
  • US2041759A - Broach : en
  • US2041868A - Treating textile material and product thereof : en
  • US2042125A - Coupling : en
  • DE630385C - Conveyor carriage pulling and feeding device : de en
  • FR798766A - Ladies underwear : en fr
  • DK51686C - Acoustic Apparatus. : da en
  • SU47131A1 - Funnel for transfusing milk and other foaming liquids : en ru
  • AT145812B - Arc furnace with cooling jacket that can be moved independently of the movement device for the electrode. : de en
  • FR798727A - Process for the chlorination of methyl aromatic compounds in their side chains : en fr
  • FR799002A - Crutch device for airplanes : en fr
  • PL23084B1 - Light concrete manufacturing method. : en pl
  • US2042036A - Steam generator : en
  • US2042245A - Milling machine transmission and electric control therefor : en
  • GB447772A - An improved method of measuring the amount of frequency modulation of sound waves recorded on a film introduced during the reproduction of the sound : en
  • GB447949A - Method for the preparation of remedies for gonorrhoea and dental suppurating diseases more especially discharge of alveolar pus : en
  • FR798957A - Improvements in the treatment of aluminum and aluminum alloy surfaces : en fr
  • DE630389C - Diazotypes, processes for producing positive diazotypes and light-sensitive layers therefor : de en
  • DK51683C - Bicycle light, which is built into a bicycle handlebar. : da en
  • FR798966A - Process for waterproofing, sealing and fixing permeable or mobile layers of earth and other porous masses : en fr
  • GB447722A - Improvements in cement and process for making the same : en
  • GB448036A - An improved apparatus for the reception of parcels, goods or the like delivered to dwellings or other places : en
  • GB447696A - Improvements in collapsible sliding gates : en
  • GB447888A - Improvements in or relating to modulated carrier wave transmitters : en
  • GB447922A - Improvements in or relating to tent pegs : en
  • GB448100A - A process for the manufacture of a synthetic balsam by condensation of phenols with aldehydes : en
  • FR798887A - Machine for chopping or grating solids and semi-solids, in particular food products of animal or vegetable origin : en fr
  • DE630425C - In the housing of a fluid coupling accommodated and connected to this epicyclic gear change gear, especially for motor vehicles : de en
  • DE630404C - Disinfectants : de en
  • AT145883B - Drive unit consisting of a motor, gearbox and driving axle, in particular for motor vehicles with rear engine or front wheel drive. : de en
  • CH184293A - Manufacturing process of borides. : en fr
  • FR798797A - Improvements to electrical devices using static current rectifiers : en fr
  • AT145932B - Beam splitting device for the purposes of color photography and color cinematography. : de en
  • DE630338C - Fully automatic electric roasting, baking and cooking tubes with one or more heating levels and an automatic temperature-dependent switching device that can be set to any temperature : de en
  • US2041849A - Propeller : en
  • US2042385A - Flashlight attachment for gasoline hose nozzles : en
  • USD99839S - Design fok a bottle : en
  • USRE19977E - Steam generator : en
  • DE630441C - Light metal pistons for internal combustion engines : de en
  • SU47227A1 - Purse : en ru
  • US2041939A - Method of and means for forming metal articles, more particularly bolt heads or the like, by upsetting : en
  • US2042098A - Dispensing device : en
  • AT145797B - Cutting device for fruits and vegetables. : de en
  • FR799026A - Electric oven for high temperatures : en fr
  • SU47159A1 - Machine for cutting, bending and cutting sheets for soft packaging : en ru
  • GB447831A - Improvements in or relating to typographical slug casting machines : en
  • GB447938A - Improvements in and relating to valves : en
  • AT145913B - Crude oil firing with inevitable oil supply to the atomizing burner. : de en
  • US2041858A - Hydrogenation of carbonaceous materials : en
  • CH184306A - Process for the preparation of an azo dye. : de en
  • CH184396A - Method of controlling or amplifying electrical currents. : de en
  • FR799041A - Advanced crusher : en fr
  • USD99800S - Design for a water closet : en
  • DE630343C - Sub-counting device on flat weft knitting machines : de en
  • DK51673C - Outlet for Removal of Centrifuged Material from a Centrifuge. : da en
  • GB447800A - Improvements in or relating to the construction of bubbler column units : en
  • DE630340C - Process for the preparation of anthraquinone derivatives : de en
  • DE630541C - Optical location and speed display device : de en
  • PL23142B1 - Electrode system for discharge lamps. : en pl
  • SU47169A1 - Loading device to the press for briquetting metal chips, scrap scrap, etc. : en ru
  • US2042252A - Beach chair : en
  • DE630405C - Process for the production of serpentine twisted glass tubes : de en
  • FR798769A - Advanced fuel pump for internal combustion engines : en fr
  • FR798824A - Improvement in microwave communications processes : en fr
  • FR798864A - Improvements to automatic controls for variable speed transmissions for automobiles : en fr
  • GB447881A - Method of manufacturing dental insets : en
  • GB448038A - Improvements in and relating to bottles for poisons and other dangerous fluids : en
  • US2041839A - Track for track laying wheels : en
  • GB447947A - Improvements in and relating to electric discharge devices : en
  • US2042183A - Indirectly heated heavy duty cathode : en
  • US2041705A - Amino derivatives of o-nitro-phenyllactic and thiolactic acids : en
  • US2041869A - Apparatus for testing pharmaceutical tablets : en
  • AT145868B - Tobacco feed funnel for cigarette tufting or rod machines. : de en
  • CA358085A - Liquid scale : en fr
  • CH184511A - Process for the production of a transparent, yellowish red lacquer. : de en
  • CH184290A - Potato steamer that can be set up for steaming substances other than potatoes. : de en
  • AT145778B - Can. : de en
  • AT145785B - Device for measuring liquids and gases. : de en
  • DE630355C - Chimney top with a smoke pipe closed at the top : de en
  • DE630522C - Additive to cement and mortar masses as protection against penetrating moisture and aggressive water : de en
  • DE630396C - Duplicating machine : de en
  • US2042007A - Constructional toy elements consisting of tubes, plates, and connecting pieces : en
  • AT145770B - Overconsumption meter with mechanical counter torque. : de en
  • CH184323A - Method for securely attaching photographs to identity cards, as well as securely connecting insert sheets with the envelope. : de en
  • CH184412A - Electric discharge tube. : de en
  • GB447890A - Manufacture of dyestuffs : en
  • GB447941A - Improvements relating to by-pass valves for use with parallel slide valves : en
  • PL23115B1 - Electromagnetic braking device to prevent excessive braking of vehicles. : en pl
  • US2042148A - Gaseous electric discharge lamp : en
  • US2042346A - Container and method of making the same : en
  • AT145881B - Ceiling system for streets. : de en
  • AT145891B - Carrying bags for respirators. : de en
  • CA358204A - Electrical circuit : en fr
  • SU46953A1 - The method of heating and draining the contents of rail tank cars : en ru
  • SU47233A1 - Method and device for dense stacking of logs overloaded by an elevator : en ru
  • US2041931A - Bumper attachment : en
  • CH184305A - Process for the preparation of a new trisazo dye. : de en
  • CH184324A - Device for storing drawings, plans, pictures and the like. : de en
  • CH184525A - Power tool tool. : de en
  • GB447839A - Improved toy : en
  • GB447765A - Manufacture of combined sound and picture films : en
  • GB447833A - Improvements in and relating to the exhausting of the cylinders of two-stroke internal combustion engines : en
  • PL23130B1 - The disc drive mechanism for the moving crop, with arched discs. : en pl
  • SU47250A1 - Laboratory setup for studying the saturation process : en ru
  • US2041809A - Locking device : en
  • US2042220A - Catalytic oxidation of unsaturated alcohols : en
  • CA358081A - Olefine hydration : en fr
  • PL23065B1 - Rotary air heater. : en pl
  • US2041715A - Cellulose derivative compositions : en
  • US2042053A - Refining hydrocarbon oils and vapors : en
  • SU46909A1 - Electrolyte bath to obtain sodium amide : en ru
  • SU47191A1 - Alarm float to indicate the location of the wreck : en ru
  • CH184364A - Centrifuge for clarifying liquids, especially all kinds of fruit juices. : de en
  • DE630344C - Process for making anhydrous toothpastes : de en
  • AT145795B - Gear for deriving a movement proportional to the writing movement from the measuring mechanism of a writing measuring device. : de en
  • CA358082A - Olefine hydration : en fr
  • CH184375A - Packing press for juice extraction. : de en
  • CA358150A - Glucoside partial hydrolysis : en fr
  • DE630323C - Filing fork for documents lined up on the liner of letter folder mechanisms : de en
  • GB447994A - Improvements in multi-stage centrifugal pumps : en
  • CH184286A - Meat grinder. : de en
  • AU2261235A - Match package : en
  • AU2426235A - Improvement in exposure control for cameras : en
  • AT145974B - Galvanic element. : de en
  • CH184299A - Process for the preparation of 3-methoxy-4-oxybenzaldehyde. : de en
  • CH184327A - Method and device for drying sheets printed in a reproduction device. : de en
  • SU46875A1 - The method of heat treatment of shale : en ru
  • USD99770S - Design for a knitted pile fabric : en
  • US2041684A - Window locking device : en
  • US2041754A - Process of treating hydrocarbon oil : en
  • GB447803A - Improvements in or relating to means for operating curtains and the like : en
  • AU2262935A - Improvements in or relating to television and like transmitters : en
  • AT145783B - Tin can with facility for easy opening. : de en
  • AT145909B - Adjusting device for railway signals u. like : de en
  • AT145963B - Electrical oscillatory circuit. : de en
  • US2042393A - Colored cellulose material : en
  • PL23077B1 - : en pl
  • DE630483C - Process for the preparation of an insect repellant containing derrisis extract : de en
  • US2041873A - Switching system : en
  • USD99774S - Design for a bowling alley settee : en
  • US2041798A - Production of artificial materials : en
  • PL23092B1 - A missile, consisting of a core and a mantle. : en pl
  • SU47011A1 - A device for switching on a mercury lamp together with an incandescent lamp : en ru
  • CH184332A - Ski binding with diagonal pull and moving pull point. : de en
  • CH184480A - Process for the preparation of a substantive copper-containing azo dye. : de en
  • BE415149A - Connection terminal for electrical conductors : en fr
  • SU47166A1 - Method for making wet-collodion plates for shooting color originals : en ru
  • SU47256A1 - Telephone selector : en ru
  • FR798970A - New alkylation products and their preparation process : en fr
  • GB447968A - Turbo-compressor for air-cooled aircraft engines : en
  • DE630327C - Process for the production of infusible synthetic masses : de en
  • DE630329C - Device for setting a multiple impression of the printing plates on address printing machines : de en
  • US2041914A - Spring protector : en
  • SU47110A1 - Method and device for determining viscosity of liquids : en ru
  • CH184260A - Liquid dispenser. : de en
  • SU47046A1 - The method of preparation of medicinal powders of fresh and canned antlers : en ru
  • BE414773A - : en fr
  • CH184533A - Process for the preparation of a cyclic amine. : de en
  • US2042061A - Radio control head : en
  • PL23134B1 - Water-repellent textile material. : en pl
  • SU47097A1 - Photometric device : en ru
  • PL23127B1 - Camera activated with coins. : en pl
  • SU47248A1 - Adaptation to the Northrop weaving machine for guiding empty spools to the box : en ru
  • US2041900A - Starter mechanism : en
  • PL23080B1 - Bottle capping device. : en pl
  • US2042266A - Mine car : en
  • DE630370C - Switching device for direction indicators, especially for motor vehicles : de en
  • DE630572C - Process for the production of cigarettes with mouthpiece insert : de en
  • CH184456A - Vacuum or overpressure braking device on vehicles. : de en
  • CH184392A - Process for the production of contact pads. : de en
  • SU47185A1 - Tracked motorcycle : en ru
  • US2042399A - Combined chair and table : en
  • CH184454A - Chassis, in particular for trolleybuses. : de en
  • US2041949A - Chick box : en
  • CH184304A - Process for the preparation of glucaminobenzene. : de en
  • CA358102A - Heat controller : en fr
  • SU46881A1 - Heater : en ru
  • US2041748A - Electric circuit controlling mechanism : en
  • US2042096A - Heat insulation material and process of making same : en
  • US2041927A - Power transmission mechanism : en
  • DE630291C - Light meter : de en
  • DE630328C - Process for the preparation of aromatic N-nitramines : de en
  • AU2299135A - Improvements in seed and grain sowing and fertilizer distributing machines : en
  • US2042359A - Dentifrice : en
  • GB447923A - Improvements in or relating to vehicle brakes : en
  • CH184519A - Process for the production of a transparent, bright yellow lacquer. : de en
  • DE631453C - Roller drill for rotary deep drilling : de en
  • FR798762A - New mixer tap or mixer tap : en fr
  • FR799033A - Press for nuts, hazelnuts, almonds, etc. : en fr
  • AT146000B - Expansion nozzle with cooled wall for the fire gases of rocket propulsion engines. : de en
  • SU47146A1 - Belt pulley : en ru
  • FR798969A - Process for manufacturing nails with several points and nails obtained by this process : en fr
  • GB447702A - Improvements in or relating to means for cleaning beer-circulating and like pipe systems : en
  • AU2166935A - Improvements in high frequency coupling systems : en
  • US2041786A - Boundary layer control for wings : en
  • US2042271A - Combination flushing and ventilating pipe assembly for water closet bowls : en
  • SU47031A1 - The method of preparation of lubricating oil : en ru
  • AT145962B - Closing device for boreholes in deep drilling rigs. : de en
  • CH184502A - Process for the production of a transparent, bright red lacquer. : de en
  • US2041761A - Shingle : en
  • US2042089A - Rail joint : en
  • US2042417A - Roller bearing : en
  • GB447778A - A process for the production of valuable viscous liquids : en
  • FR798920A - Anti-slip device for motor vehicle wheels and others : en fr
  • FR798796A - Improvements to cleaning agents, degreasers and the like : en fr
  • FR798804A - Process for typographic cutting and products for the application of the process : en fr
  • DE630412C - Device for the photographic registration of the pointer and counter positions of measuring instruments, in particular counters : de en
  • DE630479C - Lighting device for epidiascopes : de en
  • FR798955A - Switching device for gear change : en fr
  • PL23091B1 - Propeller fixation. : en pl
  • FR798789A - Equipment for plowing and other uses : en fr
  • FR798851A - Telescopic pole enhancements for cameras and other applications : en fr
  • AT145827B - Process for the representation of asymmetrical arsenic compounds. : de en
  • BE415311A - Process for obtaining sodium N-methyl-C, C-allylisopropyl-barbiturate in stable, dry form and very easily soluble in water : en fr
  • CH184231A - Humidifier. : de en
  • CH184300A - Process for the preparation of a condensation product from the a-naphthylamide of 2,3-oxynaphthoic acid and formaldehyde. : de en
  • CH184438A - Circuit in which a multigrid tube is used for modulation and at the same time for generating high-frequency oscillations. : de en
  • DK51676C - Shaving brush. : da en
  • FR798999A - Alumina extraction process : en fr
  • PL23073B1 - A device for regulating the pressure of the compressed medium, activating the friction clutch. : en pl
  • DE630567C - Pusher connection with a coupling link on the handle : de en
  • FR799022A - Improvements to discharge lamps : en fr
  • CA358108A - Rubber bag moulding apparatus : en fr
  • CH184291A - Apparatus for dissolving or suspending loose, fine or powdery materials. : en fr
  • GB447802A - Improvements in or relating to apparatus for permanently waving hair : en
  • US2042294A - Walking beam for well pumping and drilling mechanism : en
  • DE630312C - Process for the production of road surfaces : de en
  • GB447854A - Improvements relating to electric-time switch devices, particularly for timing x-ray photographic exposures : en
  • SU47112A1 - Laboratory washer : en ru
  • US2042014A - Fertilizer distributor : en
  • AT145791B - Closure for spreading vessels. : de en
  • CA358116A - Sound distributing and amplifying device : en fr
  • CH184251A - Piece of furniture to supply the garbage can. : de en
  • USD99831S - Design for a motorcycle side : en
  • SU47226A1 - Device for supplying bricks to the wall of a building : en ru
  • FR798757A - Process for the production of solid acid compounds : en fr
  • US2042309A - Plugged telltale hole : en
  • US2042374A - Apparatus for regulating and/or measuring the flow of fluids : en
  • US2042426A - Apparatus for use at low temperatures : en
  • US2041772A - Adjustable table : en
  • US2041854A - Preservation of rubber : en
  • US2042159A - Automatic parachute release device : en
  • FR798759A - Unsinkable clothing : en fr
  • GB448003A - Improvements in the decorating of hard surfaces : en
  • GB447709A - Straight-bar knitting machine : en
  • GB447897A - Improvements in absorption refrigerating apparatus : en
  • FR799001A - Distillation column : en fr
  • US2042117A - Process for making indiumcontaining glass : en
  • US2042163A - Typewriting machine : en
  • US2041693A - Arch corrector for the feet : en
  • US2042084A - Automatic door guiding mechanism : en
  • GB447752A - Improved apparatus for drying wood : en
  • US2042075A - Foldable ironing table : en
  • SU46934A1 - Condensate pump : en ru
  • SU46921A1 - The method of obtaining malic acid from the tobacco : en ru
  • US2042178A - Water-softener regenerating process and apparatus : en
  • US2042150A - Apparatus for and process of fractionation : en
  • PL23068B1 - A method of producing thin-walled bulbs for electric bulbs. : en pl
  • US2041806A - Cutter : en
  • FR798918A - Multi-circuit breaker : en fr
  • GB447945A - Improvements in or relating to steam turbines : en
  • FR798884A - Improvements to radial sliding friction thrust bearings : en fr
  • DE628818C - Method for producing a dry rubber lining for envelopes or the like. : de en
  • DE630573C - Device for nesting sheets of paper, e.g. for cigarette papers : de en
  • US2042371A - Shock absorbing strut : en
  • PL23138B3 - A method of dynamic topping up of piston machines. : en pl
  • GB447694A - Improvements relating to gas-blast electric switches : en
  • US2041964A - Telephone system : en
  • US2042149A - Knitted fabric and hosiery produced therefrom : en
  • DE630398C - Automatic, fast-acting device for keeping the voltage or the listing factor constant in AC networks : de en
  • SU46971A1 - Typesetting device for transmitting text to distance and for imprinting by means of electromagnetic mechanisms. : en ru
  • SU46979A1 - A method of manufacturing a cellulose acetate-based sheet insulating material : en ru
  • PL23118B1 - Electrolyte for electric batteries. : en pl
  • SU47119A1 - Acceleration measurement device : en ru
  • SU47135A1 - Grain Fumigation Device : en ru
  • US2041982A - Sled : en
  • US2041893A - Freewheel hub with coaster brake and brake-locking device : en
  • US2042037A - Tilting ladle : en
  • US2042302A - Radio relaying system : en
  • GB447919A - Improvements in and relating to electric discharge lamps : en
  • US2041701A - Skiving machine : en
  • US2041767A - Silencer : en
  • US2042169A - Motor control system : en
  • DE630461C - Loose wheel set for rail vehicles : de en
  • GB447842A - Improvements in and relating to mops : en
  • FR799000A - Basic bodies insoluble in water, vegetable fibers and other substrates impregnated with these bodies and process for preparing these various products : en fr
  • US2042078A - Pump rod assembly : en
  • DE630337C - Device for rapid de-excitation of electrical generators : de en
  • DE630360C - Method for viewing translucent x-ray images : de en
  • FR798989A - Lottery game for fairgrounds or others : en fr
  • GB447753A - Improvements in the production of plasters and the like : en
  • GB447747A - Indexing mechanism for automatic multiple spindle screw machines : en
  • US2041912A - Closure cap for receptacles and method of making the same : en
  • US2042001A - Fluid motor : en
  • FR798776A - Support and coupling device of lighting device for cycles, bicycle-motors and others : en fr
  • FR798751A - Device for varying the resistance, opposed by vehicles, in particular by motor vehicles, to the flow of a fluid : en fr
  • FR798893A - Power switch : en fr
  • US2041831A - helsel : en
  • FR798921A - Method and device allowing the complete use of the calorific energy stored in a solid : en fr
  • GB447870A - Improvements in or relating to a process for the manufacture of rubber articles : en
  • GB447909A - Improvements in electrolytic etching machines : en
  • US2041725A - Art of refrigeration : en
  • GB447835A - Improvements in or relating to folding chairs : en
  • GB447911A - Improvements in the manufacture and production of azo dyestuffs : en
  • PL23060B1 - Cover for electrical instruments, especially meters, having at least two sight glasses for observing the various work processes inside the instruments. : en pl
  • US2041758A - Counter-actuating means for educational test checking machines : en
  • US2042333A - Process for the preservation of rubber : en
  • US2042045A - Bed and bedrail : en
  • US2042249A - Counter : en
  • US2042290A - Wall construction : en
  • US2042353A - Connection for structural members : en
  • GB447997A - Improvements in and relating to collapsible gates of the lattice-bar type : en
  • DE630444C - Process for obtaining a dry floating medium for separating mix by means of air : de en
  • GB447927A - Improvements in caravans and like road vehicles : en
  • US2042382A - Hearse : en
  • AT145955B - Radiological method and device for determining the position of a foreign body that has penetrated a body. : de en
  • USD99823S - Design for a buckle : en
  • GB447858A - Improvements in or relating to overflow conduits for countercurrent gas and liquid contacting apparatus : en
  • DE630535C - Influencing and regulating the secondary operating parameters of frequency converters : de en
  • SU47010A1 - The way to protect the electric arc of the searchlight from the wind : en ru
  • FR798923A - Improvements to steel casing elements for wells and method of manufacturing said elements : en fr
  • US2041780A - Fastening device : en
  • US2042018A - Method of producing mirror wheels : en
  • AT145802B - Carbide and process for its manufacture. : de en
  • CA358129A - Welding apparatus : en fr
  • SU46895A1 - The method of cleaning furnace gases from mouse pyrite : en ru
  • SU46927A1 - Method for phenylation and naphthylamine-1-sulfonic acid-8 : en ru
  • PL23089B1 - Process for the production of fluorindine series dyes. : en pl
  • US2041698A - Azo dyes and method for their preparation : en
  • US2041795A - Aircraft : en
  • US2042168A - Synchronizing clutch : en
  • CH184512A - Process for the production of a transparent, red-brown lacquer. : de en
  • GB447980A - Improvements in water purification : en
  • GB448184A - Improvements in perforated rubber sheeting and in the production thereof and in articles made therefrom : en
  • US2041727A - Method of opening bivalves : en
  • CH184315A - Process for the production of fiber material from animal skin. : de en
  • GB447697A - Improvements in machines for milling and washing textiles : en
  • GB447915A - Improvements relating to stringing tags, and the like : en
  • US2042180A - Method of reenforcing bridges : en
  • FR798982A - Automotive thresher for cereals and fine seeds : en fr
  • FR798899A - Device for loading a material into transport containers so as to save it : en fr
  • US2042372A - Vacuum device : en
  • DE630316C - Device for charging fuel chute heating boilers : de en
  • SU47066A1 - Deflector : en ru
  • US2042312A - Tire spreader : en
  • US2041728A - Textile process : en
  • US2042104A - Rubber coated cake of soap : en
  • US2042412A - Process for the preparation of inhibitors : en
  • DE630406C - Vacuum cleaner mouthpiece with a toothed bar arranged on one of its long sides : de en
  • SU46870A1 - Device for cutting the ends of the parts : en ru
  • DE630353C - United driving and safety brake for conveyor machines : de en
  • GB447920A - Improvements in percussive tools such as hammers and pile drivers : en
  • FR798709A - electric cooker equipment : en fr
  • FR798714A - Method and devices for the automatic adjustment of cameras : en fr
  • FR798826A - Loader chain for cannons or rapid fire weapons : en fr
  • DE630418C - Hollow cylinder friction brake with an inflatable, ring-shaped rubber hose with vulcanized brake blocks : de en
  • DE630311C - Control device for oil return from flooded evaporators for refrigeration systems : de en
  • DE630543C - Gas stove with an ignition flap in the bottom of the roasting and baking space : de en
  • DE629897C - Process for the production of higher, optionally halogenated, saturated aliphatic or aromatic aldehydes : de en
  • DE630348C - Suction mouthpiece for vacuum cleaner : de en
  • US2041928A - Multiflow cooling system : en
  • SU47075A1 - A method of manufacturing a microporous rubber sole : en ru
  • DE630288C - Device for applying adhesive strips, especially for wood veneers : de en
  • DE630313C - Two-axle motor bogie for rail vehicles : de en
  • DE630315C - Loading device for furnaces, in particular garbage incinerators : de en
  • SU47181A1 - Ornithopter : en ru
  • US2042197A - Drill chuck : en
  • US2042373A - Refrigerator : en
  • IE13744L - Composite pipe : en
  • GB447698A - Improvements in or relating to microphones : en
  • US2041792A - Aircraft : en
  • US2042128A - Wireworking machine and method : en
  • CH184206A - Slag processing plant. : de en
  • CH184320A - Process for increasing the gloss, whiteness and pressure sensitivity of paper. : de en
  • FR798842A - Process for the production of ethers-salts and in particular of ethyl acetate : en fr
  • FR798857A - Device for lighting aircraft landing strips : en fr
  • AT145790B - Drive for the sealing liquid displacer in automatic gas analysis devices that work intermittently according to the absorption process. : de en
  • AT145905B - Freewheel hub with coaster brake. : de en
  • CA358158A - Gas burner : en fr
  • CH184216A - Wall construction in wood and process for their manufacture. : de en
  • SU46890A1 - Method of removing odor and acidity in synthetic rubber "matched" : en ru
  • US2042400A - Optical clasp : en
  • CA358065A - Colour film production : en fr
  • CH184211A - Device for sterilizing earth. : de en
  • SU47104A1 - Yarn Dynamometer : en ru
  • US2042329A - Ready bound crate : en
  • US2042337A - Calendar clock : en
  • CA358192A - Photographic film : en fr
  • SU47234A1 - A device for transferring logs from their hauling truck on an inclined platform to another logging truck, located perpendicular to the first : en ru
  • US2042224A - Process of converting a polyhydric alcohol to a carbonyl compound : en
  • US2042246A - Door : en
  • AT145805B - Manufacture of objects that have to be resistant to attack by decarburizing gases, especially at high temperatures and pressures. : de en
  • AT145892B - Motor vehicle with the bogie supporting the drive motor. : de en
  • CA358112A - Valve removing tool : en fr
  • AT145903B - Towing and truck with three or more driving axles. : de en
  • CH184361A - Process for the manufacture and treatment of rubber threads and similar materials not intended for the textile industry, apparatus for carrying out this process and the thread obtained. : en fr
  • DE630271C - A clamp consisting of a metal ring for electrical resistors and heating elements : de en
  • DE630317C - Process for sensitizing halide silver emulsions : de en
  • FR798993A - Improvements in safety razor blades and the like and their manufacture : en fr
  • GB447934A - Prepayment apparatus controlling the duration of operation of electrical apparatus : en
  • AT145809B - Process for the extraction of anhydrous magnesium carbonate (magnesite) from dolomite or limestone. : de en
  • US2041711A - Apparatus for cleaning fabrics : en
  • US2042071A - Hydraulic turbine : en
  • US2042202A - Automobile control device : en
  • CA358111A - Complex synthetic resin : en fr
  • AT145818B - Method and device for obtaining noble gases that boil more heavily than oxygen, in particular from air. : de en
  • AT145928B - Sandal. : de en
  • AT145880B - Electric heated windscreen wipers for windshields. : de en
  • US2041889A - Method to from packing rings by crimping a plait of material into helical winds : en
  • US2042196A - Scarifier : en
  • US2042338A - Manufacture of pigmented paper : en
  • US2041745A - Manufacture of cellulosic prod : en
  • PL23047B1 - Device for dispensing measured amounts of liquid. : en pl
  • AT145849B - Process for the production of tissue paper. : de en
  • CA358094A - Tapping and refilling device : en fr
  • USD99771S - Design for a knitted pile fabric : en
  • SU47114A1 - Logarithmic counter : en ru
  • CH184308A - Process for the production of a new acidic dye of the anthraquinone series. : de en
  • AT145992B - Facility for carbonless accounting. : de en
  • AT145929B - Method and device for the production of audio-visual films. : de en
  • SU46937A1 - Reversible valve steam distribution mechanism : en ru
  • AT145773B - Waterproof cable entry in metal housing. : de en
  • CH184266A - Carpet, in particular jute bouclet carpet. : de en
  • CH184359A - Circular saw disc. : de en
  • SU47006A1 - Contact galvanometer for thermostat : en ru
  • BE415092A - Improvements in taking instant color photographs : en fr
  • PL23117B1 - Kl> 23 b, 1/04. Loaded expansion valve to carry out splitting and distillation processes. : en pl
  • DE630292C - Device for attaching badges provided with a pin : de en
  • US2041707A - Lamp focusing sight : en
  • US2042016A - Manufacture of artificial silk and by-product recovery therefrom : en
  • US2042326A - Folding table : en
  • CH184401A - Cathode ray tubes, in particular for television purposes. : de en
  • CH184405A - Reflector for a light source of elongated shape for illuminating an elongated surface. : de en
  • AT145875B - Hydraulic brake. : de en
  • BE414982A - : fr
  • CH184280A - Anti-skid fitting on mountain and tourist shoes. : de en
  • CA358147A - Cellulose derivative tube manufacture : en fr
  • US2041732A - Leather manufacturing : en
  • US2041811A - Metallurgical apparatus : en
  • AT145788B - Trend indicator for can air pressure meters. : de en
  • CA358149A - Cardio-active digitalis glucoside : en fr
  • CH184411A - High pressure discharge tube. : de en
  • DE630293C - Device for the detachable fastening of a handle and cleats on a horseshoe : de en
  • GB447814A - Process for the manufacture of azodyestuffs : en
  • GB448064A - Improved cooling device for liquids : en
  • US2042358A - Driving mechanism of the one-way clutch type : en
  • SU47217A1 - The method of casting stone and slag products : en ru
  • US2042211A - Protective covering for luggage carriers : en
  • AU2269935A - Improvements in and relating to mine blasting and stemming plugs therefor : en
  • AU2445235A - Improvements inthe construction of floors : en
  • CH184356A - Self-working multiple drilling machine. : de en
  • GB447818A - A new or improved method of, and means for, producing representations or designs : en
  • AT145865B - Method and device for the production of hollow bars and other hollow bodies by casting. : de en
  • CA358188A - Metal rolling machine : en fr
  • CH184285A - Meat cutting machine. : de en
  • GB447963A - Improvements in clips for hose and the like : en
  • CA358171A - Washboard : en fr
  • AU2491935A - Improved process forthe manufacture of yeast : en
  • CH184355A - Machine for the continuous production of the waves of wave plates to be welded together to form a radiator in a single operation. : de en
  • CH184481A - Process for the preparation of an azo dye. : de en
  • US2041888A - Coin collector apparatus : en
  • US2041969A - Temperature modifier for protecting growing crops : en
  • AT145808B - Process for finishing leather footwear. : de en
  • SU47201A1 - Device for obtaining the illusion of train movement in a tunnel : en ru
  • US2041789A - Aircraft : en
  • AT145755B - Device for maintaining the operation of a converter system when the clock-generating machine is suspended from the single-phase network. : de en
  • CH184241A - Process for operating coal firing systems with automatic fuel loading and coal firing. : de en
  • CH184518A - Process for the production of a transparent, violet lacquer. : de en
  • AT145789B - Trouser straps. : de en
  • DE630278C - Paint to protect against rust formation : de en
  • US2041935A - Friction brake : en
  • US2042200A - Removable tooth mounting for dental models : en
  • FR798979A - Method for machining torsion bars, in particular for motor vehicles : en fr
  • FR798946A - Unique control device for the acceleration and brake of a motor vehicle : en fr
  • US2042253A - Method of producing photographic dyestuff images : en
  • US2041980A - Brake : en
  • SU46912A1 - The method of obtaining anhydrous magnesium chloride : en ru
  • DK51684C - Method and Apparatus for the Production of Vitamin-Rich Oils. : da en
  • SU46866A1 - Washing and rinsing machine : en ru
  • GB447715A - An answer-back device for telegraph systems : en
  • GB447873A - Shoes : en
  • GB447769A - Improvements in and relating to cutting and delivery apparatus for all-size printingmachines : en
  • AT145800B - Method and device for machining rolls, in particular grooved rolls for pilgrim step rolling mills. : de en
  • AT145823B - Process for the preparation of water-soluble pyridine derivatives. : de en
  • AT145885B - Catching and braking device for cable cars. : de en
  • DE630285C - Safety device for luffing cranes : de en
  • SU46967A1 - Swiveling checker to mark the train on the control table : en ru
  • US2041936A - Vehicle chassis : en
  • GB447811A - Improvements in licence holders for vehicles : en
  • SU46940A1 - The method of obtaining nitrogen-containing complex and concentrated fertilizers : en ru
  • US2041726A - Fluid controlled switch : en
  • US2042439A - Storage and dispensing apparatus for liquefied gases : en
  • AT145821B - Link holder. : de en
  • CH184484A - Process for the preparation of an azo dye. : de en
  • GB447734A - Improvements in concealed door hinges : en
  • DE1374401U - : de
  • SU46892A1 - The method of regeneration of iodine from solutions containing iodine-ion : en ru
  • FR798875A - Constant safety device adaptable to all rifles and especially to hunting rifles : en fr
  • CH184347A - Optical device for simultaneous projection of multiple images. : en fr
  • GB448034A - Improvements relating to adjustable seats : en
  • US2041773A - Resilient building wall clip construction : en
  • US2041836A - Impervious fabric : en
  • US2042292A - Process for refining copper alloys : en
  • USRE19982E - Oil field derrick post : en
  • US2042370A - Metal support for wooden building construction : en
  • US2042420A - Room cooler : en
  • AT145926B - Method and device for recording or reproducing sound and image recordings on a common carrier. : de en
  • DE630392C - Mixing device for milk and similar sensitive mixed goods : de en
  • DE630477C - Mangin mirror : de en
  • FR798794A - Safety device against the transmission of explosions : en fr
  • FR798865A - Automatic scale with direct reading : en fr
  • FR798862A - Improvements to peeling machines : en fr
  • GB447717A - Improvements in and relating to tobacco feeding mechanism for cigar making machines : en
  • DE630333C - Automatic regulation of air heating in railroad cars : de en
  • AT145946B - Skirt transformable into pants. : de en
  • CH184310A - Process for the production of anti-rust agents. : de en
  • SU47033A1 - Slit nozzle : en ru
  • SU46955A1 - Self-loading wagon : en ru
  • US2042029A - Rail wiper : en
  • AT145988B - Circuit of an externally controlled magnetron. : de en
  • CH184225A - Weir with main contactor and auxiliary contactor and separate winches for both contactors. : de en
  • GB447826A - Improvements in or relating to chair seats : en
  • DE630465C - Auxiliary device on tensioning clamps for electrical lines : de en
  • DE630502C - Method and device for closing tunnel openings in dams by means of a lowerable emergency seal : de en
  • US2041852A - Vapor bath apparatus : en
  • US2042122A - System for the prevention of scale formation and for the continuous automatic discharge of mud from steam boilers and heaters of liquids : en
  • US2042207A - Spot welder : en
  • PL23106B1 - The method of making porcelain crucibles. : en pl
  • US2042087A - Refrigerant condensing apparatus : en
  • FR798806A - Rotary connection device, applicable to electrical devices : en fr
  • DE630402C - Contact device for rod-shaped electrodes : de en
  • SU47016A1 - Device for conveyor lubrication and drying of electrodes : en ru
  • CH184296A - Process for the preparation of bis-beta-chloroethyl ether. : de en
  • CH184385A - Heat exchanger device. : en fr
  • CH184514A - Process for the production of a transparent, reddish brown varnish. : de en
  • US2041757A - Vehicle body : en
  • GB448008A - Improvements relating to the heat treatment of metals : en
  • DE630471C - Lift and travel control for short circuit motors : de en
  • CA358070A - Cigarette lighter : en fr
  • DE630266C - Die setting and line casting machine with triggering devices arranged on the magazines : de en
  • GB447875A - Improvements in or relating to direct action percussion type fuzes : en
  • FR798983A - Improvements to electric cables : en fr
  • GB447967A - Improvements in arrangements for cooling glass electric discharge devices : en
  • GB448002A - Improvements in or relating to screw drivers, rotary spanners and the like : en
  • FR798958A - Hat : en fr
  • US2042442A - Scarp : en
  • FR798859A - Tank for storing underwater liquids less dense than water : en fr
  • GB447871A - Improvements in machine for making strands for flattened strand rope : en
  • FR798886A - Protection device for line sections by means of a directional relay and current-dependent excitation relay : en fr
  • FR798716A - Improvements to couplings for rail vehicles and others : en fr
  • PL23133B1 - varnisher for surge arresters. : en pl
  • CH184222A - Floor. : de en
  • DE630358C - Device for measuring the diameter of rotating workpieces : de en
  • FR798779A - Further training in pipe cutters : en fr
  • GB447847A - Means for arresting amusement cars : en
  • DE630350C - Device for holding shoes while cleaning : de en
  • GB447943A - Improvements in and relating to apparatus for curling and waving the hair : en
  • SU47239A1 - Tick : en ru
  • FR799011A - Process for cutting long silk fibers, small strips, etc. into regular lengths. : en fr
  • FR798913A - Mobile ceiling wine tank : en fr
  • FR798994A - Flexible door panel : en fr
  • DE630536C - Electric high pressure metal halide lamp : de en
  • FR799007A - Ignition device for engines : en fr
  • US2041926A - Hay loader : en
  • FR798811A - Method of construction of dykes on dune shorelines : en fr
  • FR798894A - Boxed cinematographic device : en fr
  • FR799015A - Improvements to devices for the commercial display of pens, mechanical pencils and similar articles : en fr
  • FR798939A - Process for manufacturing flexible tubes or artificial hoses, and products obtained by this process : en fr
  • US2042113A - Wall and floor construction : en
  • FR798827A - Device for heating, aeration and incidentally, lighting of aquarium, terrarium and others, and method of production : en fr
  • US2041963A - Ship hull construction : en
  • US2042124A - Electric sheet : en
  • SU47116A1 - Harmonic analysis device : en ru
  • SU47027A1 - The method of deoiling of alkaline waste (white water), obtained by alkaline processing of petroleum products : en ru
  • US2042446A - Bottle packing method and means : en
  • AT145899B - Triggering of the switching block and the block lock in railway safety systems by means of the block inductor in connection with an automatic relay. : de en
  • CH184535A - Process for the preparation of a quaternary ammonium compound. : de en
  • CH184473A - Process for the preparation of ricinene nitrile. : de en
  • SU47055A1 - Desk : en ru
  • SU47102A1 - Temperature control device : en ru
  • FR798784A - Convertible table adapting to sick beds : en fr
  • GB447918A - Manufacture of manganous phosphate dihydrate : en
  • CA358189A - Self-loading vehicle : en fr
  • CH184252A - Toilet seat ring. : de en
  • CA358153A - Bituminous paving binder : en fr
  • FR798855A - Improvements in the saponification of cellulose esters : en fr
  • US2041826A - Apparatus for increasing draft in furnaces and for purifying flue gases : en
  • US2041984A - Spot welding apparatus : en
  • US2042188A - Testing apparatus : en
  • CH184394A - Backup. : de en
  • AT145864B - Irrigation device. : de en
  • CA358143A - Electrical discharge apparatus : en fr
  • FR798741A - Film or film camera on reels in combination with a photoelectric light meter : en fr
  • FR798802A - Cylindrical rose compass called : en fr
  • GB447882A - Improvements in and relating to apparatus for hair waving or curling : en
  • CH184288A - Process for the artificial aging of liquids containing alcohol. : de en
  • CH184397A - Method and device for the production of X-rays. : de en
  • PL23052B1 - Vibration induction mechanism, including a rotating weight. : en pl
  • SU47088A1 - Device for checking the displacement of the axes of two interlockable shafts : en ru
  • AT145991B - Superimposition reception circuit for television or radio and tele-reception. : de en
  • CA358151A - Vinyl compound and wax combination : en fr
  • AT145819B - Process for sizing fibers. : de en
  • GB447797A - Improvements relating to electric conductor couplings of the plug and socket type : en
  • GB448110A - Improvements in safety guards for guillotines, punching and other machines : en
  • DE630287C - Electric fine adjustment : de en
  • DE630489C - Watercraft for the removal of impurities floating on the water surface : de en
  • US2042325A - Slider for fasteners : en
  • US2042342A - Calculating machine : en
  • FR798706A - Bagging device : en fr
  • GB447962A - Improvements in or relating to light valves : en
  • DE630305C - Method for wrapping round objects such as oranges and the like. Like. As well as device for practicing the method : de en
  • SU46905A1 - The method of obtaining the precipitate from phosphate : en ru
  • CA358103A - Photometry : en fr
  • DE630307C - Inlet and outlet lines connected to a centrifugal drum in an airtight manner by means of a sleeve seal or the like : de en
  • US2041741A - Absorbent for refrigerants : en
  • US2041818A - Machine for removing tire treads : en
  • CA358199A - Motor vehicle driving mechanism : en fr
  • CH184443A - Advertising transparency. : de en
  • CH184262A - Process for the treatment of annular cakes of yarns, filaments and other artificial spinning products. : en fr
  • CA358125A - Laminated glass : en fr
  • AT145759B - Device for image transmission by means of a cathode ray tube. : de en
  • SU47019A1 - The method of preparation of grated oil and enamel paints : en ru
  • SU47038A1 - Liquid piston rotary scroll compressor : en ru
  • SU47263A1 - Concrete Pipe Forming Machine : en ru
  • US2041859A - Liquid level indicator : en
  • US2041872A - Fluid pressure brake : en
  • CA358077A - Olefine hydration : en fr
  • CH184455A - Drive and storage device for pendulum half-axles. : de en
  • AT145774B - Converter system with electrical heating of the discharge vessel. : de en
  • AU2268035A - Improvements in or relating to television systems : en
  • GB447704A - Improvements in or relating to the rust-proofing of ferrous articles : en
  • CH184256A - Plate pan for the so-called grilling of food : en it
  • CH184278A - Shoe. : de en
  • CH184303A - Process for the preparation of a condensation product from phloroglucine and 2,4,5-trichloroaniline. : de en
  • CH184335A - Construction kit. : de en
  • US2041954A - Method and apparatus for electrical dehydration : en
  • AT145995B - Filters and process for their manufacture. : de en
  • CH184273A - Semi-rigid to rigid items of laundry, especially collars. : de en
  • CH184531A - Process for the preparation of a mixture of isomeric acyloctahydrofollicle hormones. : de en
  • US2041735A - Combination inflow controlling and fluid discharge means : en
  • US2041851A - Azo dyestuffs and their production : en
  • USD99786S - Design fob a lighter : en
  • DE630552C - Grease gun : de en
  • PL23125B1 - Pre-run pump. : en pl
  • SU47057A1 - Fish Bubble Piercing Machine : en ru
  • CH184506A - Process for the production of a transparent, orange lacquer. : de en
  • GB447969A - Improvements in or relating to clutch plates : en
  • DE630539C - Process for the utilization of copper from the copper-containing solutions resulting from the production of copper kinking silk : de en
  • US2042153A - Mounting and thermoinsulative jacket for vapor electric devices : en
  • AT145916B - Device for regulating the fuel supply to a burner as a function of the change in viscosity of the liquid fuel. : de en
  • CH184336A - Automatic firearm with sliding barrel and longitudinally movable lockable breech. : de en
  • US2042406A - Support for popcorn poppers : en
  • USD99788S - Design for a juvenile shoe : en
  • SU46985A1 - Device for multiple closure of various electrical circuits in a certain sequence : en ru
  • US2042010A - Fabric spreader : en
  • US2042240A - Garment hanger : en
  • AT145816B - Device for displaying the illegal removal of liquid from a ventilation pipe in brandy distilleries. : de en
  • CH184322A - Method and machine for the production of adhesive paper tapes provided with handle loops. : de en
  • US2042034A - Oil burner : en
  • US2042139A - Gaseous electric discharge lamp device : en
  • US2042319A - Antenna : en
  • SU46977A1 - Galvanic copper zinc cell : en ru
  • FR798828A - Improvement brought to the clamp as a means of fixing formwork vibrators used in construction : en fr
  • CH184235A - Fully automatic pump system. : de en
  • CH184403A - Braun tube, especially for television purposes, with an electrically conductive inner coating. : de en
  • PL23150B1 - The method of increasing the heating value of the gas mixture used to drive internal combustion engines. : en pl
  • AT145814B - Process for the production of safety glasses. : de en
  • CH184407A - Burners on gas-heated devices. : de en
  • AU2266335A - Process of manufacturing weatherproof briquettes of brown-coal : en
  • DE630509C - TV transmitter for high pixel counts using a Braun tube : de en
  • AT145920B - Fireplace door. : de en
  • SU46962A1 - Railway hydraulic column : en ru
  • US2042269A - Circular feeding mechanism : en
  • SU47098A1 - Radiant Energy Indicator : en ru
  • US2042140A - Electric gaseous discharge device : en
  • CH184229A - Method for producing a road surface and road surface produced according to the method. : de en
  • FR798708A - Addition of metal points to a cold wall : en fr
  • SU47109A1 - Device for controlling the quality of emulsions : en ru
  • USD99809S - Design for a shoe : en
  • US2042086A - Ski clamp : en
  • SU46936A1 - Adaptation with steam servomotor for rearranging the scenes of reversing mechanisms : en ru
  • PL23083B1 - The method of manufacturing cement products. : en pl
  • SU46958A1 - Device for suspending bodies of railway carriages : en ru
  • PL23151B1 - Method for producing magnesium oxide from dolomite. : en pl
  • SU46925A1 - Method for separating caffeine from tea production waste : en ru
  • FR798912A - Process for the preparatory heating of carbonaceous materials : en fr
  • BE414784A - Buckets comprising a device for placing or inserting empty can tubes and simultaneous removal of finished cans : en fr
  • DE630346C - Device for hardening glass panels : de en
  • CA358172A - Furnace : en fr
  • US2041710A - Sound detecting apparatus : en
  • US2042017A - Decorative corrugated paper : en
  • US2042362A - Window channel : en
  • CH184223A - Universal scaffolding trestle. : de en
  • CH184265A - Thread reel. : de en
  • CH184350A - Clock with an electric winding device. : de en
  • CH184523A - Test bench. : de en
  • SU47241A1 - Buoyant underwater device with a grab for dredging from the bottom of the sea : en ru
  • US2041835A - Plastic packing composition : en
  • US2041714A - Mining apparatus : en
  • US2042021A - Doorlock : en
  • US2042227A - Sausage casing and method of closing the same : en
  • US2041743A - Printing plate matrix : en
  • DE630283C - Cabinet door handle : de en
  • DE630331C - Device for hardening needles and small parts : de en
  • GB447872A - Device for manufacturing elastic joints : en
  • GB448001A - Improved machine for dressing revolving grinding wheels : en
  • GB447889A - Improvements in or relating to cleaning devices : en
  • DE630491C - Parking brake for the push bar for the gradual opening of skylight windows : de en
  • GB447959A - Rotary pumps, compressors, engines and the like : en
  • FR798919A - High voltage switch-disconnector : en fr
  • FR798949A - Double needle bed flat knitting machine : en fr
  • SU47215A1 - The method of manufacture of slag Portland cement : en ru
  • US2041996A - Dual rim wheel : en
  • US2042008A - Water outlet and salt inlet device for water softeners : en
  • US2042264A - Hot air gun : en
  • US2041855A - Frequency control : en
  • FR798944A - Open-pitch jacquard mechanism : en fr
  • CH184413A - Device for igniting a gas-filled glow electrode discharge tube. : de en
  • GB447929A - Improvements in latches and locks : en
  • GB448014A - Treating sewage : en
  • CH184377A - High-speed, superheated steam piston engine. : de en
  • DE630500C - Rod slide with single channels and single rod projectiles : de en
  • SU46964A1 - Folding device for rolling rolling stock wheels onto rails : en ru
  • DK51692C - Apparatus for automatic supply of goods to be baked for Tunnel ovens. : da en
  • FR798829A - Improvements to looms without shuttles : en fr
  • GB447720A - Improvements in and relating to the manufacture of electric lamps and similar devices : en
  • DE630429C - Circuit arrangement for the lighting system of motor vehicles with monitoring device : de en
  • AT145986B - Spring contact for dry elements. : de en
  • BE414831A - POWER SUPPLY FOR MACHINE GUNS, MORE PARTICULARLY FOR MACHINE GUNS MOUNTED ON A TURRET, FOR AIRPLANES OR THE LIKE : en fr
  • GB447860A - Improved means for marking, or marking and measuring, materials produced in continuous lengths : en
  • GB447926A - Improvements in or relating to rubber compositions and articles composed thereof : en
  • GB447996A - Improvements in or relating to gas governors : en
  • US2042009A - Electrical testing apparatus : en
  • US2042137A - Wrench : en
  • GB448186A - Improvements in or relating to a method for the production of metals : en
  • FR798896A - Peanut sheller : en fr
  • US2041890A - Brake mechanism : en
  • GB447719A - Improvements in folding perambulators : en
  • CH184429A - Automatically acting, remote-controlled fire extinguishing equipment for rooms at risk of fire, as well as motor vehicles, aircraft, ships etc. : de en
  • FR798931A - Spark plug improvements : en fr
  • FR799010A - Double-action lever, providing simultaneous control of chain tension and derailment, in stepped gear changes : en fr
  • FR799046A - Improvement in the shape of the bearings of partially hardened crankshafts : en fr
  • GB447885A - Improvements relating to conditioning artificial textile and other materials : en
  • GB447972A - Improvements in and relating to the manufacture of filaments and threads : en
  • FR798830A - System allowing the fermentation in a closed vessel of urban waste and its transformation into a usable fertilizer : en fr
  • US2041976A - Lapping cloth : en
  • US2042011A - Producing flocculation in oil well strata : en
  • AT145979B - Device for the simultaneous mechanical calculation of the effect of the topography on the gradients and the curvature values of gravity. : de en
  • GB447824A - Improvements in or relating to the manufacture of insulated electrically conductive screens, more particularly for use in cathode ray tubes : en
  • FR798869A - Process for separating condensable elements from a gas mixture and application of the process to the separation of hydrocarbons and as an anti-freeze device for regulating the pressure in the tanks : en fr
  • DE630356C - Expansion of underground air-raid shelters to protect against the effects of explosive bombs and the penetration of poisonous gases : de en
  • DE630474C - Marking device for sheet metal, profile iron u. like : de en
  • GB448030A - Improvements in or relating to regenerators for coke ovens and other furnace installations : en
  • GB448101A - Improvements in or relating to thermionic valves : en
  • GB447815A - Improvements in or relating to chamber ovens : en
  • GB447933A - Improvements in or relating to devices for toasting, grilling, or the like : en
  • GB447837A - Improvements in or relating to reversing means for regenerative furnace plant : en
  • FR798707A - Assembly intended for energizing relays with alternating current : en fr
  • FR798734A - Oil-based insecticidal compositions : en fr
  • FR798947A - automatic cigarette case : en fr
  • GB447878A - Improvements in and relating to the valve control of multi-cylinder engines : en
  • DE630324C - Equipment consisting of loose-leaf book with leaves arranged between two clamping rails that can be lifted off from one another and a support frame that enables the book to be expanded : de en
  • FR798885A - Internal combustion turbine : en fr
  • US2041879A - Telephone system : en
  • SU46860A1 - Apparatus for removing husks from congestion in alcohol production : en ru
  • PL23046B1 - A method of producing catalysts for the conversion of terpenes. : en pl
  • SU47156A1 - Device for grinding coal, etc. : en ru
  • SU47136A1 - Protective device to the tips of mobile sprayers : en ru
  • SU47243A1 - The method of purification of acid wastewater : en ru
  • US2041830A - Signaling system : en
  • GB448181A - Manufacture of basic esters of polyarylacetic acids : en
  • FR798729A - Water-soluble dyes and method of preparation : en fr
  • CH184496A - Process for the preparation of a polymethine compound substituted on the central carbon atom of the polymethine chain. : de en
  • US2041840A - Process for hydrogenating sulphur compounds : en
  • US2042121A - Process of extracting gold from saline solutions : en
  • FR798705A - New assemblies, with applications to fork heads and bicycle handlebars : en fr
  • FR799043A - Device applied to articulated transmission chains between sprockets : en fr
  • GB447845A - Improvements in devices for feeding powders and the like into a mixer : en
  • GB447708A - Improvements in or relating to tools for tensioning and sealing package ties : en
  • GB448032A - Improvements in dish-washing machines : en
  • US2042129A - Car truck bolster : en
  • US2042192A - Garment for boys : en
  • US2041776A - Brake drum : en
  • PL23070B1 - Maca made of rubber and wood fibers and the method of its production. : en pl
  • SU47170A1 - Device for automatic shutdown of the press after one working stroke to presses with a friction clutch, activated by a falling weight : en ru
  • DE630267C - Device for ventilation of rooms, in particular of passenger vehicles : de en
  • US2042059A - Means for and method of filling or refilling compacts or the like : en
  • US2042115A - Electropneumatic brake : en
  • US2042407A - Drain cleaner : en
  • DE618485C - Gear pump : de en
  • DE630401C - Highly sensitive quiescent current, working current or changeover relay, in which the moving part of the electrically excited relay is in its working position under the influence of an additional force in the sense of the work to be conducted by the relay : de en
  • GB447879A - Improvements in or relating to thermionic amplifier and relay arrangements : en
  • PL23129B1 - A method for producing azo blue dyes as a substance or on a fiber. : en pl
  • US2042255A - Holder and wiper : en
  • DE630334C - Checking device for the tongue lock of remotely operated points in the drive : de en
  • FR798844A - Self-closing delayed valve : en fr
  • GB447884A - Improvements in ingot charging devices for metal extrusion presses : en
  • DE630494C - Safety razor : de en
  • DE630309C - Drive device for excavator : de en
  • DE630510C - Wheel-like runner for electrical machines : de en
  • SU47045A1 - Motor Hearing Aid : en ru
  • FR798847A - Improvements to doll heads : en fr
  • DE630400C - Control device to increase the stability of synchronous machines : de en
  • DE630517C - Process for the production of hollow glass bodies with hollow feet : de en
  • DE630314C - Cleaning and cleaning products : de en
  • DE630559C - Crank drive for swinging masses, especially in swing planes : de en
  • SU47121A1 - Electric ballot machine : en ru
  • GB448502A - Manufacture of 3-amino-quinolines : en
  • CH184415A - System with an electric discharge tube. : de en
  • US2042238A - Seat : en
  • FR798835A - Improvements in the saponification of materials consisting of or containing organic esters of cellulose : en fr
  • GB448000A - Improvements in or relating to the manufacture of cigarettes : en
  • GB447693A - Improvements in or relating to cast iron pipes : en
  • GB448416A - Improvements in or relating to the surface hardening of rails and to rails treated thereby : en
  • GB447816A - Improvements in and relating to flexible hose : en
  • GB447822A - Improvements in and relating to the manufacture of bodies containing metallic carbide : en
  • DE630562C - Solid rubber tires with a treadmill arranged around the circumference and closed cross channels : de en
  • GB447840A - Improvements in or relating to gas heated warming devices of the multi-tubular type : en
  • FR798703A - Inhalation station, in particular for gas defense : en fr
  • DE630430C - Pan saddle for bicycles u. like : de en
  • US2041848A - Method of manufacturing separable fastener devices : en
  • DK51678C - Device by flue. : da en
  • FR798704A - Improvements to pipe fittings : en fr
  • US2042299A - Paper material carrying a resin of petroleum origin : en
  • DE630534C - Overvoltage protection with glow lamp and a relay : de en
  • CH184509A - Process for the production of a transparent lacquer. : de en
  • FR798728A - Agents exhibiting capillary action and having the power to decrease surface tension : en fr
  • FR798831A - Improvements to apparatus and installations intended for the separation of liquids and in particular for distillation or rectification : en fr
  • AT145965B - Process for increasing the exchangeability of base exchangers. : de en
  • AT145894B - Towing system for skiers and pedestrians. : de en
  • US2042378A - Shoe bottom attaching apparatus : en
  • BE415284A - : en fr
  • CH184207A - Vibrating screen with centrifugal drive and suspension in coil springs. : de en
  • CH184267A - Method and machine for circular knitting of patterned knitwear. : de en
  • US2041746A - Manufacture of aliphatic anhydrides : en
  • US2042132A - Pipe joint : en
  • AT145829B - Process for the preparation of quinaldine derivatives. : de en
  • US2042057A - Electron discharge device : en
  • SU46893A1 - The method of purification of alkaline iodine concentrates : en ru
  • CH184548A - Track vehicle. : de en
  • GB447880A - Improvements in and relating to sound recording apparatus : en
  • US2041682A - X-ray equipment for inspection : en
  • SU47049A1 - Method for removing iron oxides from sand : en ru
  • SU47224A1 - Cheese Forming Machine : en ru
  • US2041799A - Exposed corner in wallboard construction : en
  • US2042331A - Separation of meta cresol from meta cresol-para cresol mixture : en
  • US2042390A - Brake : en
  • US2042401A - Log splitting device : en
  • CA358128A - Flasher : en fr
  • US2041815A - Heating system : en
  • US2041887A - Soap chip dispenser : en
  • US2042020A - Amperage flow controlling device : en
  • US2042051A - Process for purifying hydrocarbon oils : en
  • SU47022A1 - The method of obtaining neutral zinc resin : en ru
  • US2042311A - Spool box : en
  • DE630460C - Machine that can be moved on the main track to remove the track bedding : de en
  • DE630294C - Gate valve : de en
  • DE630540C - Device for dispensing liquid from containers : de en
  • FR798760A - Envelope for letter or other applications : en fr
  • CA358154A - Sleeve valve engine : en fr
  • US2042280A - Movement checking mechanism : en
  • DE630504C - Handle attachment for AExte and similar tools : de en
  • FR798997A - Typewriter Improvements : en fr
  • US2042047A - Accelerators of vulcanization : en
  • FR798712A - Improvements to medical or dental electrotherapy devices : en fr
  • FR798717A - Device for step-by-step tuning of devices for high-frequency transmission of information : en fr
  • FR798791A - Improvements to road signs, in particular road signs : en fr
  • US2042143A - Enveloe for electric discharge devices : en
  • SU47026A1 - Apparatus for separating oil from seeds : en ru
  • US2042369A - One-button switch : en
  • DE630399C - Protective circuit to avoid overvoltages when switching off inductive resistors in electrical circuits with single-pole earthing : de en
  • DE630437C - Burner for heating and cooking appliances operated with liquid fuel : de en
  • PL23079B1 - . / / / ^ / Crest seal. : en pl
  • US2042322A - Welding machine : en
  • GB447976A - Improvements in material for use in arc welding : en
  • AT145815B - Method of weighing rayon. : de en
  • CH184432A - Barrier for vending machine. : de en
  • CH184292A - Electrolytic element for gas production. : en fr
  • DE630485C - Floatless carburetor : de en
  • FR798985A - Support for fixing mirrors, panels, coat racks, towel rails, etc. on the walls. : en fr
  • US2041724A - Swivel sign pouring closure : en
  • US2041897A - Fan-heater : en
  • SU47117A1 - Counting device : en ru
  • SU46856A1 - Well curvature measuring instrument : en ru
  • SU46917A1 - The method of obtaining diphenyl ether : en ru
  • US2042226A - Oscillating toaster : en
  • US2041824A - Storage battery terminal : en
  • AT145939B - Anti-skid device that can be releasably attached to the shoe. : de en
  • CA358206A - Tire spreader : en fr
  • CH184428A - Process for the production of loose, sterile and permanently antiseptic cellulose wadding and cellulose wadding produced by this process. : de en
  • PL23058B1 - Non-flammable mass for potting electric detonators. : en pl
  • US2041744A - Pulverulent cleaning composition : en
  • GB447841A - Improvements in and relating to compression refrigerating machines : en
  • GB447978A - Improvements relating to the construction of floors, roofs and like constructional units : en
  • DE630361C - Lifting screen drum for potato harvesters : de en
  • USD99782S - Design fob a radiant heater : en
  • SU47138A1 - The method of processing waste production of shag : en ru
  • CH184317A - Process for the preparation of a lightfast tanning substance. : de en
  • FR798754A - Method of manufacturing shells for the foundry : en fr
  • GB447956A - Improvements in connection with cooking stoves : en
  • GB447990A - Improvements in variable pitch airscrews : en
  • AT145862B - Method of manufacturing bearings. : de en
  • FR798817A - Improvements to dancer-type bogies, especially those for railcars : en fr
  • CH184333A - Device to protect the belts or leather straps for attaching a seal skin to the ski against damage from longitudinal metal edges. : de en
  • US2042069A - Resilient coupling : en
  • SU46972A1 - Device for duplex telegraphic transmission without artificial line : en ru
  • US2042283A - Electrolytic condenser : en
  • AT145927B - Multi-serrated positive tone film and equipment for its production. : de en
  • US2042145A - Process of evaporating and equipment therefor : en
  • US2042386A - Automatic buttering machine for bread : en
  • SU46997A1 - Device for automatic reclosing of high voltage transmission line : en ru
  • US2042101A - Fluid pressure brake : en
  • SU46990A1 - Electric switch : en ru
  • US2041692A - Textile process and product : en
  • US2041729A - Oxidized oil for artificial textile materials : en
  • US2042068A - Sifter top : en
  • US2042291A - Process for refining copper alloys : en
  • CH184399A - High frequency coil with magnetizable earth core. : de en
  • US2042040A - Sight line horizon determining means : en
  • CH184326A - Card holder and line display device on business writing machines. : de en
  • CA358105A - Absorption refrigerating machine : en fr
  • US2041779A - Flue cleaning device : en
  • US2041871A - Sulphonated dyestuff and process of making same : en
  • SU47252A1 - One-piece plantar clip for rail joint : en ru
  • US2041913A - Protable welding machine : en
  • US2042058A - Burner for corrosive fluids : en
  • US2042242A - Washing machine : en
  • DE630409C - Air heater with built-in boiler : de en
  • AT145798B - Table with an extendable tabletop. : de en
  • CH184467A - Electric device for heat generation and storage. : en fr
  • DE630191C - Floating trough sluice with a sluice channel moved by oscillating compressed air : de en
  • DE630371C - Cooling device for motor vehicles : de en
  • SU47205A1 - Spinner Spindle Speed Controller : en ru
  • US2042102A - Clothesline pulley : en
  • BE414860A - Input device for stamping or value stamping machines : en fr
  • CH184212A - Device for fastening flowers, shrubs and shrubs. : de en
  • US2042230A - Locking device for slicing machine clamps : en
  • SU47034A1 - Device for automatically raising and lowering the guard of the revolving machine : en ru
  • SU47214A1 - The method of obtaining difficult living : en ru
  • AT145987B - Switching arrangement for amplifying high or medium frequency oscillations with automatic volume control. : de en
  • US2042323A - Ready bound crate : en
  • GB447731A - Improvements in steam and gas turbines : en
  • GB447979A - Improvements relating to leakage current actuated apparatus, particularly applicableto neutral conductors subject to voltage fluctuation : en
  • SU47054A1 - Spittoon : en ru
  • SU47129A1 - Adaptation to the harvesting machines for directing the cut plants of the heder platform to the cutting drum : en ru
  • SU47183A1 - Device for training the vestibular apparatus of pilots : en ru
  • CH184341A - Brake testing and adjusting equipment for motor vehicles. : de en
  • BE415074A - : en
  • CH184430A - Arrangement on a vending machine to prevent two or more compartments from being in the extended position at the same time. : de en
  • DE630414C - Process for cleaning exhaust gases from internal combustion engines : de en
  • CH184342A - Tilt balance. : de en
  • CA358126A - Laminated glass manufacturing apparatus : en fr
  • CH184270A - Electric ironing device. : de en
  • US2042352A - Safety device for truck trailers : en
  • USRE19989E - swift : en
  • FR798925A - Discharge bottom with conductive surfaces for ladles of metal in liquid state : en fr
  • AT145893B - Gas mask. : de en
  • DE630449C - Holder for brooms, scrubbers, etc. like : de en
  • CA358083A - Olefine hydration product : en fr
  • CH184321A - Process for the production of serial cards. : de en
  • DE630446C - Dismantling device by means of slides or circulation conveyors : de en
  • SU47087A1 - A device for applying divisions on the side surface of cylindrical products : en ru
  • SU47173A1 - Fire Extinguishing Device : en ru
  • CA358193A - Engine fuel injection system : en fr
  • CA358176A - Marksmanship practicing means : en fr
  • CH184271A - Clothes dryer on a central heating radiator. : de en
  • CA358167A - Coupe device : en fr
  • CH184287A - Meat grinder. : de en
  • CH184482A - Process for the preparation of an azo dye. : de en
  • SU46884A1 - Filter sump : en ru
  • DK51680C - Device for Saving Calendars. : da en
  • DE630281C - Suction bottle with teat and air inlet valve : de en
  • CA358166A - High frequency coupling device : en fr
  • AT145754B - Electric flashlight. : de en
  • CA358174A - Crusher : en fr
  • SU47188A1 - Wood stopper for bottle capping : en ru
  • AT145817B - Liquid drain for rectification trays. : de en
  • AT145768B - Circuit containing a gas-filled rectifier tube provided with at least two groups of anodes. : de en
  • CA358141A - Circuit breaker system : en fr
  • US2042365A - Level and inclinometer : en
  • DK51688C - Procedure for the manufacture of refractory products of magnesium orthosilicate-rich natural products, in particular olivine rock species. : da en
  • CH184227A - Surface for marking traffic regulations on streets and squares and processes for its production. : de en
  • CH184393A - Electromagnetic battery charger switch for electrical systems on vehicles. : de en
  • DE630472C - Device for sealing the inner wall of chimneys : de en
  • US2042244A - Gaseous electric discharge lamp : en
  • SU47023A1 - The method of obtaining artificial drying oil : en ru
  • US2041797A - Time switch : en
  • US2042135A - Shipping case : en
  • DE630335C - Device for stripping hoarfrost u. Like. Of electrical overhead lines : de en
  • FR798768A - Vinegar making apparatus : en fr
  • FR798710A - Device preventing the deterioration of the regulator lining the connecting rod heads of explosion engines and others : en fr
  • FR798852A - Improvements to cellulose ester products and their secondary products : en fr
  • DE630379C - Mixing device for playing cards : de en
  • DE630455C - Fastening device for pipes in conical holes in a wall, especially of heating tube boilers : de en
  • US2042120A - Sandblast device : en
  • FR799005A - Automatic edge trimming machine for stamped parts and in particular kitchen utensils : en fr
  • GB447977A - Improvements in or relating to the manufacture of shoes : en
  • DE630521C - Device for thickening viscous sugar solutions : de en
  • FR799032A - Crampons for the assembly of slats or boards used to make packing boxes : en fr
  • GB447960A - Improvements in means for elevating and training machine guns and similar fire-arms : en
  • FR798915A - Improvements to electrical connection devices and similar devices : en fr
  • PL23095B1 - The method of depriving the gas of the poisonous properties. : en pl
  • SU47190A1 - One-foot measles : en ru
  • US2042375A - Machine for making button backs and the like : en
  • CH184218A - Trapdoor. : en it
  • SU47005A1 - Non Resonant Transformer : en ru
  • US2042050A - Process for purifying hydrocarbon oils : en
  • CA358119A - Leather cutting gauge : en fr
  • US2041885A - Method of dewaxing mineral oils : en
  • US2042031A - Plotting device : en
  • SU47115A1 - Logarithmic line : en ru
  • USRE19990E - Combined vehicle signal : en
  • FR798711A - Mechanical excavator for narrow underground : en fr
  • CA358195A - Window : en fr
  • CA358181A - Stoker : en fr
  • CH184494A - Process for the preparation of a polymethine compound substituted on the central carbon atom of the polymethine chain. : de en
  • US2041720A - Bailer : en
  • US2042270A - Toy parachute device : en
  • US2042381A - Hand spooling apparatus : en
  • CA358177A - Liquid processing : en fr
  • AT145999B - Device on spiral teeth. : de en
  • AT145787B - Tie holder. : de en
  • AT145873B - Can for cigarettes or cigars. : de en
  • PL23105B1 - A method of producing metal layers, consisting of separate very fine particles. : en pl
  • CA358092A - Yeast : en fr
  • CA358131A - Fluid pressure brake : en fr
  • CH184485A - Process for the preparation of an azo dye. : de en
  • US2042228A - Phonographic apparatus : en
  • CH184263A - Thread guide drive for spinning, twisting and other textile machines. : de en
  • CH184383A - Process for compressing the refrigerant vapor in refrigerating machines and refrigerating machines for carrying out the process. : de en
  • CH184264A - Dishwasher. : de en
  • US2041899A - Cove construction for use with floor or wall coverings and the like : en
  • AT145853B - Process for lowering the viscosity of solutions of rubber and rubber-like substances. : de en
  • AT145863B - Peening device. : de en
  • AT145780B - Key with rings with beards that can be adjusted and fixed on the key pin. : de en
  • AT145884B - Arrangement of a road sweeping or washing device on motor vehicles. : de en
  • CH184277A - Footwear and process for its manufacture. : en fr
  • SU46883A1 - Method for cleaning contaminated liquids : en ru
  • SU46980A1 - Protective sheath for electrical cables : en ru
  • CH184334A - Billiards with an uninterrupted game board. : de en
  • CH184402A - Electrolytic capacitor. : de en
  • DE630561C - Sealing of a tubeless pneumatic tire : de en
  • US2042114A - Drill : en
  • US2042212A - m m m m m m m m i : en
  • SU47020A1 - A method of making dry mastic for rubbing floors : en ru
  • US2042332A - Separation of cyclic alcohols from their ketones : en
  • CA358124A - Laminated glass manufacturing apparatus : en fr
  • PL23147B1 - A method of electrolytic production of chromium compounds. : en pl
  • SU47093A1 - Automatic gearbox : en ru
  • US2042033A - Decorating fabric : en
  • SU47021A1 - The method of preparation of the composition for coating concrete and similar materials with the purpose of imparting watertightness to them : en ru
  • US2041941A - Printing-plate matrix : en
  • CH184448A - Box made from a blank. : de en
  • US2041763A - Cleansing fluid filtration : en
  • US2042432A - Method of printing : en
  • US2041685A - Switch box : en
  • AT145870B - Cigar and cigarette extinguishers, especially for ashtrays. : de en
  • AT145901B - Gear change transmissions, in particular for motor vehicles. : de en
  • CH184354A - Guide device on a machine for the production of finned tubes. : de en
  • US2041819A - Legging : en
  • US2042070A - Baking plate and method of using the same : en
  • US2042284A - Combination mash and lauter tank : en
  • DE630357C - Device for the graphic reproduction of a model : de en
  • US2042193A - Stone picker : en
  • US2041875A - Multiple speed motor : en
  • DE630546C - Method of making an optical tone film : de en
  • AT145807B - Sintered carbide alloy. : de en
  • SU47042A1 - Device for automatic feeding of stalks in flax milling machines : en ru
  • US2041737A - Rubber article : en
  • CA358133A - Electrical apparatus : en fr
  • CH184247A - Cleaning device with rubber loops and method for its manufacture. : de en
  • US2041953A - Self-generating photoelectric cell : en
  • USD99772S - Design for a knitted pile fabric : en
  • US2041857A - Safety hitch : en
  • US2042004A - Supply pump for engines : en
  • SU47077A1 - Resin Dehydration Machine : en ru
  • US2041981A - Reaper-binder : en
  • CH184242A - Combustion process and apparatus for its realization. : en fr
  • FR798777A - Electric heating belt for hosiery crafts and other applications : en fr
  • US2041731A - Production of leather : en
  • CA358152A - Anti-friction tool : en fr
  • CH184466A - Sealing device on windows or doors. : de en
  • SU47251A1 - The method of obtaining milk sugar : en ru
  • US2041699A - Steam turbine casing and method of manufacturing the same : en
  • CH184352A - Process for casting aluminum-magnesium alloys. : de en
  • SU46879A1 - A device for cutting fiber, cardboard, etc. : en ru
  • SU47092A1 - A kipregel with a device for determining the distance to the sighted point, its horizontal extension and height : en ru
  • US2041740A - Inking device : en
  • US2041804A - Automobile side wing : en
  • US2042080A - String musical instrument : en
  • US2041864A - Method and apparatus of weaving knotted fabrics : en
  • AT145833B - Process and system for regulating the pasteurization temperature in milk u. like. liquid heaters. : de en
  • US2041955A - Machine for shaping uppers overe lasts : en
  • US2042355A - Refrigerating system : en
  • FR798856A - Improvements in the treatment of artificial fabrics and other artificial materials : en fr
  • US2041778A - Razor blade : en
  • CH184433A - Device in telecommunication systems for monitoring the insulation condition of telecommunication cables. : de en
  • US2041801A - Beacon : en
  • US2042308A - Filter : en
  • FR798743A - Method of producing images in several colors : en fr
  • US2041750A - Pneumatic tire tube : en
  • US2042176A - Mixing device : en
  • US2042310A - Heat-distributor for registers : en
  • AT145933B - Small typewriter. : de en
  • CA358069A - Ski clamping device : en fr
  • PL23086B1 - Kitchen table. : en pl
  • US2041823A - Mop : en
  • US2042408A - Expansion joint : en
  • US2042431A - Motor vehicle : en
  • SU47125A1 - Sowing machine : en ru
  • US2041825A - Horseshoe calk : en
  • US2042005A - Camera for duplicating record cards : en
  • US2042241A - Support : en
  • US2042305A - Brassiere slip : en
  • USD99769S - Design for a knitted pile fabric : en
  • AT145859B - Device for producing a cigarette rod. : de en
  • US2042025A - Lock : en
  • US2042038A - Plastic composition : en
  • US2042243A - Method and machine for making diagonally corrugated board : en
  • PL23145B1 - pipes and rods. : en pl
  • SU47078A1 - The method of preparation of plastics : en ru
  • CA358066A - Refrigerating apparatus : en fr
  • CH184228A - Method and device for the production of concrete coverings, in particular for roads. : de en
  • SU46944A1 - Rack and pinion jack : en ru
  • US2041796A - Aircraft : en
  • US2042437A - Thread and/or fabric : en
  • SU46943A1 - The method of device ballast railway track : en ru
  • US2042214A - Signal and control system for elevators : en
  • SU46929A1 - Column for the processing of resin : en ru
  • US2042434A - Manufacture of titanium compounds : en
  • DE630275C - Process for the production of electric radiators : de en
  • DE630498C - Process for the production of ceramic bodies : de en
  • GB448109A - Improvements in or relating to the distillation of tars and tarry oils containing tar acids : en
  • US2042376A - Screw driver : en
  • GB447913A - Improvements in and relating to locks and keys : en
  • SU46966A1 - A device for signaling between cars of a tram train : en ru
  • CH184449A - Box. : de en
  • SU46935A1 - Steam turbine : en ru
  • SU47058A1 - Locking device for mine cage lift : en ru
  • US2042438A - Building construction : en
  • AT145766B - Electromagnetic circuit breaker with immediate short-circuit and delayed overcurrent release. : de en
  • AT145953B - Electric cylinder typewriter. : de en
  • CH184510A - Process for the production of a transparent lacquer. : de en
  • AT145837B - Process for separating the neutral fat from the fatty acid soaps. : de en
  • AT145879B - Motor vehicle radiator badges. : de en
  • CA358186A - Hollow rubber article moulding machine : en fr
  • CA358086A - Spark arrester : en fr
  • DE630490C - Water valve, in particular for sorting strings : de en
  • PL23112B1 - Device securing the percussion device in mechanical looms from breaking. : en pl
  • SU46853A1 - A device for dewatering coal and other materials in bunkers through drainage : en ru
  • AT145803B - Device for automatic or semi-automatic control of the air supply in fan shaft furnaces. : de en
  • SU47059A1 - Gripping device for lifting stacks of bricks and similar materials : en ru
  • US2042133A - Grain drill attachment for disk harrows : en
  • SU47254A1 - Regime adaptation for air brakes : en ru
  • US2042144A - Luminescent sign : en
  • US2042167A - Filing device : en
  • SU47083A1 - Aluminum bath : en ru
  • SU47180A1 - Device for installing a rotary propeller group located above the wing : en ru
  • CH184368A - Spring element arranged in a rotating body. : de en
  • CH184478A - Process for the preparation of a substantive copper-containing azo dye. : de en
  • FR798763A - Process for clearing overlapping sheets in machines working with sheets and, in particular, in letterpress printing presses : en fr
  • US2042119A - Loom shuttle check : en
  • US2042388A - Material handling machine : en
  • AT145836B - Process for the production of a new staple fiber. : de en
  • SU46899A1 - The method of determining the content in gases NO and NO2 : en ru
  • SU47130A1 - Potato Wash : en ru
  • SU46906A1 - Ammonia Oxidizer : en ru
  • US2042043A - Reciprocating engine : en
  • US2042233A - Electric range : en
  • BE415151A - Liquid damper for semaphore pallet : en fr
  • CH184542A - Tray for mountain bags. : en fr
  • US2042134A - Method of producing hydrocarbon oxygen compounds : en
  • AT145934B - Optical system for recording and displaying three-color images. : de en
  • AU204936A - Method of forming hollow glassware : en
  • SU47061A1 - Tal with a view to Gall : en ru
  • CH184489A - Process for the preparation of a dye of the dioxazine series. : de en
  • SU47050A1 - Method for producing glass transparent to soft x-rays and ultraviolet rays : en ru
  • SU47071A1 - The way to protect plywood blanks from discoloration by sunlight : en ru
  • US2041837A - Elastic fabric and colored strand therefor : en
  • SU46920A1 - The method of replacing carbon-bonded hydrogen atom to acetyl (CH3 CO) group : en ru
  • US2042108A - Milk stirring and cooling device : en
  • SU46855A1 - An instrument for measuring the curvature of a well with a heavy plumb suspended on a ball hanger. : en ru
  • US2042403A - Needle threader : en
  • CA358139A - Electrical discharge apparatus : en fr
  • CA358164A - Intermediate frequency transformer : en fr
  • US2042268A - Advertising sign : en
  • AT145874B - Liquid shock absorbers. : de en
  • CH184232A - Insulation for electric heat storage. : de en
  • SU47085A1 - Circle Drawer : en ru
  • CH184358A - Process to achieve stable ferromagnetic materials with low hysteresis. : de en
  • US2042289A - Air humidifier and cleaner : en
  • CH184469A - Cabinet or rack-shaped furniture. : de en
  • AT145982B - Portable electric hearing acuity meter. : de en
  • AT145820B - Process for the manufacture of a dietetic preparation. : de en
  • SU46872A1 - Combined Regenerative Coke Furnace : en ru
  • SU47142A1 - Ring key : en ru
  • US2041958A - Refining cellulose fiber for conversion into cellulose derivatives : en
  • CA358079A - Aliphatic compound manufacture : en fr
  • SU47221A1 - Method of making facing tiles from metallurgical slags : en ru
  • CA358173A - Moving stairway : en fr
  • AT145993B - Wall insulation against moisture using sheet glass. : de en
  • CH184309A - Process for the production of an acidic wool dye of the anthraquinone series. : de en
  • AT145971B - Reading scale device for radios u. like : de en
  • PL23051B1 - A method of producing stable solutions of fat-soluble vitamins. : en pl
  • DE630442C - Compressed air storage for actuation of signal devices of all kinds used in motor vehicles with internal combustion engines : de en
  • CA358145A - Mercury arc rectifier system : en fr
  • CH184245A - Apparatus for cutting the skin of chestnuts. : de en
  • BE414964A - Adhesive for leather, woven fabrics and rubber on leather and among themselves : en nl
  • AT145793B - Movable blade razor. : de en
  • AT145917B - Jack. : de en
  • CA358074A - Acetaldehyde manufacture : en fr
  • AT145996B - Internal combustion engine with opposing cylinders. : de en
  • DK51690C - Apparatus for Introducing Disinfectant, Contraceptive or Healing Substances into the Vagina. : da en
  • CH184499A - Process for the production of a transparent, violet-red lacquer. : de en
  • AT145956B - Method and apparatus for forming hemstitching. : de en
  • CH184453A - Device on vehicle brakes to influence the brake pressure by hydraulic means. : de en
  • DE630555C - Mechanically driven scraping tool with straight back and forth movement of the work spindle : de en
  • CA358197A - Valve bag : en fr
  • US2041920A - Lubricator : en
  • CH184410A - Electrical apparatus with a base. : de en
  • AT145794B - Elevator flushing device for toilets with a flushing valve on the falling lifter leg and with a device to enable large and small flushing. : de en
  • US2041694A - Sampling valve : en
  • US2042257A - Machine tool : en
  • US2042395A - Centrifugal molding and lining of pipes and the like : en
  • PL23144B1 - Arrangement of two directional antennas on common masts and the method of removing their harmful interaction. : en pl
  • US2042100A - Method of preparing the ends of tubular members for a welded joint : en
  • US2042416A - Emblem : en
  • CH184362A - Device for generating vibrations in safety razors with a fixed blade. : de en
  • CH184230A - Air humidifier. : de en
  • FR798888A - Method and device for obtaining photographic and cinematographic images in relief by means of a single cliché : en fr
  • FR798934A - New detection system by electronic servo valve : en fr
  • GB447788A - A new or improved roller varnishing machine : en
  • CA358096A - Lawn mower grass catcher : en fr
  • AT145930B - Electrical apparatus, in particular X-ray apparatus. : de en
  • CH184409A - Device for attaching headlight bulbs in headlight mirrors. : de en
  • DE630528C - Heat exchange pipe provided with longitudinal ribs : de en
  • SU46999A1 - Device to improve commutation in electric machines : en ru
  • SU47172A1 - Ladder to climb a pole or a tree trunk : en ru
  • US2041924A - Hedge trimmer : en
  • AT145860B - Oven. : de en
  • FR798954A - Method and device for the treatment of objects of all kinds with volatile organic solvents : en fr
  • FR799031A - Industrial product consisting of a strap which, by assembly with other similar straps, allows the production of walls whose visible surface is, alone, varnished : en fr
  • SU47259A1 - Friction drum for ropes, chains and other traction organs : en ru
  • US2041901A - Manufacture of soles : en
  • US2042300A - Pulsator for milking machines : en
  • US2042391A - Flush valve : en
  • GB447851A - Improvements in or relating to electric arc converters : en
  • DE626394C - Process for the production of workpieces of great hardness, such as cutting tools or wear-resistant tools : de en
  • USRE19988E - Refrigerating apparatus : en
  • FR798904A - Method and apparatus for forming and filling capsules : en fr
  • SU46911A1 - Method for producing barium chlorate : en ru
  • US2041703A - Dispensing unit : en
  • AT145828B - Structures for the production of photographic color halftone images. : de en
  • USD99827S - Design for a dish : en
  • SU46878A1 - The method of conducting in peat moles drains : en ru
  • FR799035A - Process for reducing the viscosity of starch glues : en fr
  • SU46994A1 - Induction relay : en ru
  • FR798924A - Improvements in the construction of electrical relays : en fr
  • FR798870A - Screen grid for the stabilization of clay subsoils : en fr
  • CA358146A - Cleaning composition : en fr
  • CH184536A - Process for the preparation of a quaternary ammonium compound. : de en
  • GB447807A - Improvements in or relating to voltage regulating devices : en
  • GB447921A - Improvements in and relating to machines for rolling rubber coagulum : en
  • US2041979A - Means for anchoring cylinders in engines with angularly disposed cylinders : en
  • FR799019A - Product resulting from the roasting of pome fruits and method of manufacture : en fr
  • FR798820A - Manufacture of helical filament lamps : en fr
  • DE630381C - Bulldozer with a spoon guided on the boom : de en
  • FR798771A - Improvements to electric lamps : en fr
  • FR798795A - Treatment of woods used in musical instruments and resulting products : en fr
  • FR798975A - Installation for the evacuation, transport and incineration of household waste : en fr
  • FR798960A - Improvements to bowden cable transmission devices : en fr
  • FR798834A - Improvements in the treatment or manufacture of materials based on cellulose esters : en fr
  • FR798780A - Device and apparatus allowing the use of door closers on doors fitted with electric strikes : en fr
  • SU47202A1 - Roofing machine : en ru
  • SU47018A1 - A method of making pencils for writing on glass, porcelain, etc. : en ru
  • FR798803A - Spray device for inhalations and other applications : en fr
  • GB447864A - Improvements in or relating to reflectors more particularly for road-lighting : en
  • CH184214A - Device for attaching herbaceous plants in the form of perennials to holding wires. : de en
  • SU47143A1 - A method of manufacturing bearings with lining : en ru
  • GB447828A - Improvements in or relating to television and like cathode ray tube oscillograph arrangements : en
  • GB447705A - Improvements in or relating to cigarette making machines : en
  • GB447712A - Improvements relating to the packaging of articles : en
  • DE630475C - Support arrangement for groove tone recorder or scanner : de en
  • GB448183A - Process for the manufacture of physiologically active derivatives of cyclopentano-phenanthrol : en
  • DE630413C - Collar button, the shaft of which ends in a curved button head : de en
  • FR798988A - High voltage capacitor : en fr
  • SU46908A1 - Soda Production Method : en ru
  • US2041971A - Lifesaving equipment for submarines : en
  • FR798840A - Pipe connection : en fr
  • FR799006A - Automatic machine for rolling the free edge of stamped parts and in particular kitchen utensils : en fr
  • SU47134A1 - Apparatus for separating harmful insects from a grain, such as a tick : en ru
  • FR798792A - Removable barrier for road signs : en fr
  • FR798732A - Sleeve Pipe Assembly with Roll Joint : en fr
  • FR798951A - Aero-dynamic cooler : en fr
  • FR798774A - Crossword search game : en fr
  • PL23107B1 - -KL-46hbA-101. High-speed internal combustion engine, especially high-speed diesel engine and the way it works. : en pl
  • SU46947A1 - Rail Gauge Measurement Device : en ru
  • US2042293A - Safety razor with rotary drive : en
  • US2042314A - Method of treating partial oxidation products : en
  • GB447714A - Process for the preparation of mixed fertilisers : en
  • GB447809A - Improvements in and relating to fluid-flow meters and the like : en
  • GB447970A - Cross perforating device for rotary paper working machines : en
  • GB447991A - Improvements in or relating to machines for steaming fabrics : en
  • US2042443A - Adjustable supporting pillar or the like : en
  • GB447896A - Improvements relating to kinematographic projection : en
  • GB447930A - Process for the conversion of solid carbonaceous materials into liquid hydrocarbons by hydrogenation under pressure and in the presence of catalysts : en
  • US2042076A - Blanket for printing presses : en
  • DE630532C - Distance protection device : de en
  • FR798778A - Improvements to devices emitting radiation, in particular to lighting devices comprising luminescent tubes : en fr
  • DE630553C - Method and device for drilling hardened, especially narrow holes : de en
  • US2041994A - Coin controlled cabinet for books : en
  • US2042315A - Marker : en
  • FR798814A - Method and machine for dewatering textile materials : en fr
  • DE630345C - Glass melting furnace with pull stove : de en
  • FR798917A - Method for manufacturing lenticular network films by embossing : en fr
  • GB447998A - Improvements in snap fasteners : en
  • US2041991A - Shoe shaper : en
  • SU47192A1 - Back secret lock with control device and folding handle : en ru
  • US2042330A - Method of investing patterns for dental pieces : en
  • US2042425A - Photoluminescent glass : en
  • DK51671C - Procedure for Treatment of Textile Materials. : da en
  • FR798866A - Folding float with articulated rigid frame : en fr
  • DE630264C - Process for obtaining physiologically active substances : de en
  • DE630373C - Rubber covering for footboards, running boards, especially for motor vehicles, with a steel band insert : de en
  • DE630440C - Light metal pistons for internal combustion engines : de en
  • CH184259A - Closing device on containers with lids. : de en
  • GB447801A - Model building construction of wood : en
  • GB448107A - Process for the recovery of aluminium compounds : en
  • US2042063A - Rubber cement : en
  • CA358113A - Exercising device : en fr
  • CH184360A - Process for impregnating wood in sap. : de en
  • FR798873A - Automatic throttle limiter for compressor aircraft engines : en fr
  • SU47186A1 - Stationary device for driving training : en ru
  • SU47267A1 - Device for braking the shuttle in the shuttle box : en ru
  • US2042074A - Foldable ironing table : en
  • CA358072A - Agitator drive : en fr
  • CH184388A - Roll-up device with a body such as a cable, cord and the like rolled up on it. : de en
  • GB448182A - Manufacture of dyestuff-sulphonic acids : en
  • DE630548C - Strain gauge : de en
  • GB447946A - Improvements in and relating to electric discharge devices : en
  • SU47253A1 - Device for suspending an automatic coupling head to a pull hook : en ru
  • DE630300C - Seat for motor vehicles : de en
  • FR798819A - New Pasteurian vinification equipment in red or white : en fr
  • PL23062B3 - Automatic device for replacing thread coils in looms with double-sided change of pumps. : en pl
  • GB447791A - Improvements in electromagnetic releasing devices for use in automatic circuit-breakers and like electric switches : en
  • US2042175A - Sectional door mechanism : en
  • SU47235A1 - Pipe for loading the hopper with flour or grain : en ru
  • US2041717A - Pumping apparatus : en
  • DE630487C - Device for regulating the negative pressure in the suction boxes of paper machines : de en
  • SU47002A1 - Fixture for improving commutation in collector electric machines : en ru
  • SU47073A1 - Device for casting under pressure phenolic and thermoplastic masses : en ru
  • SU47178A1 - Parachute train : en ru
  • DE630251C - Starting control for internal combustion engines : de en
  • AT145861B - Cleaning device for dough bowls and baking pans. : de en
  • DE630351C - Metal plate : de en
  • FR799040A - Welding rod : en fr
  • AT145902B - Doors, especially for automobile bodies. : de en
  • GB447691A - Improvements in or relating to galleries or shade holders of lighting fittings : en
  • GB447777A - Improvements in or relating to microphones : en
  • DE630431C - Lock, which can be opened by a key with links equipped with bars and adjustable on a core : de en
  • CH184269A - Detergents and cleaning agents. : de en
  • FR798867A - Improvements to diapers or mattresses and the like capable of being swollen : en fr
  • CA358136A - Elevator system : en fr
  • CH184539A - Process for the preparation of a mixture of quaternary ammonium compounds. : de en
  • AT145938B - High voltage discharge tube. : de en
  • DK51666C - Closing cover for cans. : da en
  • AT145898B - Multi-speed change gear for motor vehicles. : de en
  • GB447862A - Manufacture of coloured products : en
  • GB447916A - An improved apparatus for use in producing kinematographic effects with opaque picture strips : en
  • GB447948A - Improvements in and relating to electric discharge devices : en
  • SU47194A1 - The device for putting arrows on the drawings : en ru
  • USRE19980E - Tuyxre : en
  • USD99779S - Design for a crystal or similar : en
  • AT145838B - Process for the production of matured alkali cellulose from sulfite pulp. : de en
  • CA358138A - Electrical apparatus : en fr
  • USD99784S - Design for a shoe : en
  • US2042077A - Window glass insulation system : en
  • DE630488C - Windscreen wipers for motor vehicles : de en
  • USD99804S - Design for a refreshment cart : en
  • DE624772C - Rail fastening on an iron base provided with a longitudinal rib : de en
  • US2042003A - Printing element and method of making same : en
  • SU47261A1 - Drive to sewing machine : en ru
  • FR798890A - Maneuvering and fixing bar for windows, doors and similar applications : en fr
  • FR798968A - Device applicable to fire extinguishers to improve the foam and regulate the size of its vesicles : en fr
  • AT145842B - Process for decolorizing sugar juices. : de en
  • CH184279A - Crampon for mountain boots. : en fr
  • US2041768A - Closure for bottles and jars : en
  • US2041856A - Method of acetylating diphenol : en
  • DE629886C - Process for the production of hydrocarbons completely saturated with hydrogen : de en
  • GB447856A - Improvements in gas-fired water heaters : en
  • FR798978A - Armchair convertible into lounge chair and bed : en fr
  • DE630341C - Underneath the wind grate : de en
  • FR798813A - Decanter for heavy liquid fuels : en fr
  • GB447678A - An improved cutting appliance for bread, cake and like articles : en
  • PL23101B1 - Coupling of individual machines of the dairy group. : en pl
  • AT145779B - Device for draining liquid under pressure in a container in certain quantities, in particular a toilet flushing device. : de en
  • FR798812A - Framework applicable to all documents in order to allow the classification, marking and selection of these documents : en fr
  • SU46973A1 - Device for transmitting synchronous pulses in vision : en ru
  • CA358130A - Double check valve : en fr
  • CA358135A - Fluid pressure brake : en fr
  • USD99816S - Design for a combined smoking set : en
  • USD99838S - Design for a vending machine slug : en
  • GB447995A - Improvements relating to raising and stacking bricks and the like : en
  • FR798749A - Combined brakes on four wheels for use on all motor cars : en fr
  • FR798998A - Improvements to printing and recording mechanisms for weighing devices : en fr
  • GB447861A - A process for the preparation of pitch : en
  • FR798908A - Improvements to yarn unwinders and in particular to knitting machines : en fr
  • GB447891A - Improvements in the manufacture of heat exchangers : en
  • US2042073A - Cigarette package : en
  • USRE19986E - Dry cleaning apparatus : en
  • GB447723A - Improvements in or relating to electric discharge devices : en
  • US2041989A - Apparatus for the transportation and working off of spun cakes produced by the centrifuge spinning process : en
  • USRE19983E - Corner holder for pictures or the : en
  • FR798927A - Fishing trawl improvements : en fr
  • FR798959A - Inhalation station, in particular for gas defense : en fr
  • GB447940A - Improvements relating to bobbins for trawl fishing net ground ropes : en
  • DE630538C - Process for the extraction of oils, asphalt and paraffin from petroleum residues : de en
  • SU46986A1 - Automatic electrical switch : en ru
  • DE630520C - Mixture control for internal combustion engines : de en
  • DE630366C - Arrangement for generating tilting vibrations for the purpose of electrical music production : de en
  • SU47001A1 - Test method for multiphase rectifiers : en ru
  • DK51669C - Apparatus for water meters and similar apparatus for protection against freezing. : da en
  • FR798841A - Improvements to superheaters for locomotives : en fr
  • DE630391C - Alkaline printing pastes made from indigoid dyes : de en
  • FR798798A - Improvements to hand-operated machines for twisting and then cutting cerclage wires : en fr
  • GB447817A - Apparatus for agglomerating combustible materials : en
  • CH184436A - Tuning set for radio sets. : de en
  • DE630354C - Cooking equipment for living kitchens u. like : de en
  • SU47225A1 - Tightening lock for connecting crates of a mobile conveyor : en ru
  • US2042172A - Gaseous electric discharge device : en
  • PL23061B1 - An articulated vehicle, running on rails, with steered single-axle bogies, composed of articulated parts connected to each other. : en pl
  • SU47204A1 - Device for stopping carding machines when changing the thickness of the canvas : en ru
  • US2041911A - Heat insulation : en
  • US2042236A - Insect trap : en
  • US2042394A - Art of purging and rectifying oil in refrigerator systems : en
  • CH184457A - Spherical hub for vehicle wheel. : en fr
  • FR798761A - Protective device for shaving or styling : en fr
  • CH184421A - Process for the preparation of phthalic acid di-diethylamide. : de en
  • SU47154A1 - Brass Electrolytic Coating Method : en ru
  • SU47266A1 - Drive for mobile cuts with gears with oblique teeth : en ru
  • US2041775A - Snap acting device : en
  • FR798907A - Fuel oil carburettor for internal combustion engines : en fr
  • US2041810A - Metallurgical apparatus : en
  • DE629905C - Control device, especially for three-phase motors for hoists that are coarsely regulated by runner resistance : de en
  • SU46907A1 - Furnace for calcining potash : en ru
  • GB447843A - Improvements relating to visible indexes : en
  • PL23096B1 - Running wheel. : en pl
  • US2042409A - Method of casting metals : en
  • USD99819S - Design fob a bottle : en
  • USD99806S - Design for a sadiron or : en
  • US2042062A - Slur cam particularly adapted for use in straight knitting machines employing horizontally reciprocatable sinkers : en
  • US2042430A - Pregnancy antigen : en
  • US2042440A - Shipping container : en
  • FR798861A - Improvements made to secret jewelry containing any object : en fr
  • AT145966B - Display device for radio sets or the like. : de en
  • DE630459C - System for surface treatment of metallic, especially iron, workpieces using nitrogen and hydrocarbon gases : de en
  • FR798799A - Automatic scale : en fr
  • GB447725A - Improved handle mounting for mirrors, brushes and similar articles : en
  • GB447866A - Improvements in or relating to railway and like signalling systems : en
  • CA358097A - Water heater for oil stoves : en fr
  • SU47096A1 - Instrument Turntable : en ru
  • US2042287A - Spring tool : en
  • DK51687C - Procedure for tanning fish skins. : da en
  • GB447780A - Improvements relating to display stand : en
  • FR798941A - Novel capillary-active carboxylic acids containing isocyclic nuclear systems and method of preparing these acids : en fr
  • FR799045A - New process for lining plastic bronze bushings : en fr
  • US2042306A - Process for the manufacture of highly unsaturated or aromatic distillates from heavier oils : en
  • CH184442A - Projection apparatus. : de en
  • CH184301A - Process for the production of phthalonitrile. : de en
  • SU47209A1 - A device for entertaining and acquiring the skill of handling a steering wheel. : en ru
  • US2042157A - Spring seat construction : en
  • USD99830S - Design fob a shoe : en
  • AT145782B - Method and device for characterizing the nature of fuel gases using a Bunsen burner. : de en
  • SU47155A1 - Machine for processing shaped surfaces : en ru
  • SU46978A1 - Method of making cellulose acetate sheet material : en ru
  • US2041905A - Impact implement : en
  • US2042316A - Electric signal : en
  • AT145772B - Hot cathode discharge apparatus. : de en
  • CH184325A - Planographic printing form, in particular offset printing form, and process for their production. : de en
  • DE630387C - Arrangement for supplying busbars : de en
  • SU47094A1 - Instrument for automatic plotting terrain during geodesic surveys : en ru
  • SU47242A1 - Gas trap when charging bottles and siphons with sparkling water : en ru
  • SU47258A1 - Device for electric spot welding with short current pulses : en ru
  • USD99822S - Design for a stock quotation board : en
  • USD99826S - Design for a service station : en
  • SU46956A1 - Device for cleaning windows in trams and electric trains : en ru
  • US2042304A - Method of and apparatus for applying closures to containers : en
  • CH184357A - Filing tool. : de en
  • SU47122A1 - Automatic to the electricity meter : en ru
  • CH184210A - Sprinkler. : de en
  • AT145846B - Process for thickening creamable rubber milk. : de en
  • SU46926A1 - Method for quantitative determination of aniline in a mixture of peri-acid phenylation products : en ru
  • US2042116A - Mechanical movement : en
  • US2041947A - Automobile suspension system : en
  • SU46891A1 - Method for producing sulfur from sulfur sulfur chloride : en ru
  • DE630424C - Toothed roller, especially for drive wheels of caterpillar vehicles : de en
  • DE630530C - Carrying device for single cable cars : de en
  • US2042256A - Grain crop header : en
  • US2042336A - Deep well pump : en
  • CA358187A - Microporous diaphragm : en fr
  • AT145947B - Adjustment device for the partial objectives of projection apparatus. : de en
  • BE415132A - : en
  • SU47175A1 - Method of extinguishing fires of flammable liquids : en ru
  • SU46931A1 - Purification method for decontaminated sludge : en ru
  • CH184236A - Device for night filling of air in pressure vessels, in particular for water supply systems. : de en
  • CH184343A - Grain probe. : de en
  • FR798822A - Light shoes : en fr
  • FR798863A - Method and device for coating a cable with sheet metal : en fr
  • US2041877A - Disconnecting switch : en
  • CA358101A - Steam trap : en fr
  • CH184522A - Skis with protective edges. : de en
  • SU47207A1 - Embroidery paper binding machine : en ru
  • US2041713A - Method of and apparatus for manipulating articles, such as talking machine or phonograph records : en
  • US2042141A - Air conditioning apparatus : en
  • USD99798S - Design for a glass vase or similar : en
  • BE415174A - : en
  • CH184314A - Glue for woodwork. : de en
  • CH184450A - Packaging can. : de en
  • DE630339C - Electric arc welding machine with automatic electrode feed : de en
  • US2041862A - Safety system for pipe lines : en
  • US2041898A - Size controlling mechanism for boring machines and the like : en
  • US2041951A - Modulating system : en
  • SU47063A1 - Switching and locking device to the screw telescopic jack : en ru
  • SU47151A1 - Four-way plug valve for steam heating : en ru
  • US2042335A - Circuit interrupter : en
  • DE630407C - Hydraulic jack : de en
  • FR798733A - Device for placing the active mass in the electrodes of galvanic elements : en fr
  • US2041777A - Sound reproducing system : en
  • US2041853A - Method of decorating large surfaces by photography : en
  • US2042303A - Production of aldehydes : en
  • AT145826B - Process for the production of an artificial mass. : de en
  • CH184390A - Telecommunication cable with one or more shielded core groups. : de en
  • AU2286235A - An improved machine for treating wool forthe removal of sand and burrs and for breaking up dags : en
  • DE630419C - Automatic machine for double bead welding of metallic workpieces : de en
  • DE630499C - Driving chain drive for endless conveyor trains : de en
  • AT145973B - Radio receiver. : de en
  • CH184418A - Process for the production of fired dental fillings and dental fillings produced therefrom. : de en
  • CH184284A - Gerär for the production of shaped pieces from dough and other plastic masses. : de en
  • DE630397C - Road construction formwork rail : de en
  • GB447789A - Improvements in and connected with electrically heated boilers for heating tar and tar bitumen compounds : en
  • CA358088A - Vulcanizing device : en fr
  • CA358093A - Synthetic resin dispersion : en fr
  • SU46882A1 - Seawater Desalination Filter : en ru
  • USD99773S - Design fob a spoon or similar : en
  • AT145984B - Arrangement for frequency multiplication or division. : de en
  • CA358180A - Locomotive tender : en fr
  • CH184330A - Device for holding open books and magazines, in particular for people lying down. : de en
  • US2041959A - Air conditioner : en
  • PL23054B1 - Method for treating gases containing sulfur dioxide : en pl
  • US2042026A - Lock construction : en
  • US2042209A - Mop wringer : en
  • DE630514C - Arrangement to avoid the unstable running of three-phase series motors with a simple brush set in the lower speed range : de en
  • FR798739A - Advanced photoelectric light meter : en fr
  • GB447886A - Resilient steel disc for multiple-disc clutches : en
  • CH184275A - Slider for zippers. : de en
  • CH184521A - Process for the production of fading layers. : de en
  • PL23085B1 - The method of producing cement moldings. : en pl
  • DE630551C - Turning device for internal combustion engines : de en
  • FR798724A - Police plaques and advertising signs : en fr
  • SU47004A1 - Ion frequency organizer : en ru
  • SU47167A1 - Method of making printing plates : en ru
  • DE630342C - Operating mode for the flue gas preheater : de en
  • US2042199A - Electric lamp : en
  • US2042265A - Transportation system : en
  • DE630473C - PROTECTIVE HELMET : de en
  • US2041766A - Vegetable slicing machine : en
  • CA358115A - Hat holder : en fr
  • DE629637C - Noise lock with closing of the contact of the alarm device when the closing link is pulled into the open position : de en
  • US2042380A - Radiator repair and test apparatus : en
  • SU47264A1 - Conveyor belt : en ru
  • US2041950A - Expansible cover : en
  • US2042107A - Shipping and display carton : en
  • SU47099A1 - Binocular color mixing device : en ru
  • US2041721A - Method of making foundry sand : en
  • US2042204A - Pulverizing mill : en
  • SU46877A1 - Shale processing method : en ru
  • SU47065A1 - Oven for heating and cooking : en ru
  • US2042260A - Flatcar : en
  • CH184386A - Method and device for obtaining noble gases that boil more heavily than oxygen, in particular from air. : de en
  • DE630531C - Charger for batteries : de en
  • CA358194A - Automotive vehicle heating system : en fr
  • AT145959B - Device for holding unperforated sheets together. : de en
  • CA358098A - Gas air mixer : en fr
  • DE630369C - Locking device for a rudder, in particular the elevator of aircraft : de en
  • CH184372A - Gear for converting a speed respectively. a torque. : de en
  • SU47079A1 - The method of obtaining phenol-formaldehyde resins : en ru
  • SU47174A1 - Apparatus for producing fire extinguishing oil foam : en ru
  • US2042090A - Cable clamp : en
  • US2041967A - Corrugated sheet and process for making same : en
  • US2041978A - Device for securing or separating parts held together by a fusible material : en
  • PL23059B1 - Kii 34 g, 14/01 Armchair that can be converted into a bed. : en pl
  • US2042028A - Double shell cap for containers : en
  • AT145796B - Device for measuring areas and distances on curved bodies, in particular on globes. : de en
  • DE630364C - Speed change transmission : de en
  • US2041973A - Incinerator : en
  • FR798805A - Improvements to clutch devices : en fr
  • GB448033A - Improvements in methods of and means for treating fish, whale flesh and the like : en
  • US2041765A - Glazing apparatus : en
  • US2041844A - Apparatus for separating metals and metal alloys : en
  • US2041909A - Means for barber pole illumination : en
  • USD99814S - Design for a traveling bag : en
  • SU47195A1 - Tool for securing the workpiece before tightening instead of stringing : en ru
  • SU47230A1 - Mobile device for unloading bulk cargo from covered railway cars : en ru
  • US2041895A - Brush for dynamo-electric machines : en
  • GB447849A - Improvements in brakes : en
  • AT145822B - Process for the preparation of amino alcohols. : de en
  • AT145781B - Method and device for the care of feathers or the like enclosed in pillows, blankets or the like. : de en
  • DE630320C - Method for opening up and operating opencast mines, in particular lignite opencast mines, by means of an overburden conveyor bridge : de en
  • GB447710A - Improved manufacture of highly swellable inorganic substances : en
  • FR798721A - Process to give aluminum or aluminum-based objects a shiny, stable and resistant surface : en fr
  • DE630566C - Customs seal for ships : de en
  • US2042219A - Preparation of unsaturated ethers : en
  • US2042398A - Electric contact plug : en
  • GB447729A - Improvements in or relating to gas masks : en
  • GB447805A - Process of manufacture of multi-cellular glass : en
  • GB447999A - Improvements in or relating to vapour electric converters : en
  • GB448004A - Improvements relating to sliding bolts for securing doors, windows and the like : en
  • DE630537C - Operating procedure for electric light tubes fed with alternating current or intermittent direct current : de en
  • CH184474A - Process for the preparation of a heterocyclic compound. : de en
  • PL23053B1 - A method of preserving anti-knock agents in the engine. : en pl
  • SU47139A1 - Internal combustion engine with two oppositely moving pistons in one cylinder and with continuous blowdown : en ru
  • USD99799S - Design for a glass floral bowl or : en
  • FR798950A - Method and device for the manufacture of metal hollow bodies : en fr
  • GB447855A - Improvements in or relating to internal combustion engine plants with an exhaust gas turbine and compressors driven thereby : en
  • GB447718A - Improvements relating to thermostatic control apparatus : en
  • US2042201A - Signal system for elevators : en
  • AU2175735A - Improvements in or relating to herbicides : en
  • DE630462C - Key arrangement for high-frequency generator, in which the grid prestress of the preliminary stages is controlled as a function of the anode current of the tube being scanned : de en
  • DE630515C - Tap transformer : de en
  • DE630347C - Hair curling device with internal and external heating : de en
  • AT145967B - Projection device. : de en
  • CA358169A - Fastener slider lock : en fr
  • DE630423C - Fitting for wooden logs : de en
  • FR798738A - Fireplace wall : en fr
  • DE630427C - Suspension for motor vehicles : de en
  • US2041723A - Engine starting mechanism : en
  • US2042334A - Low voltage generator : en
  • DE630304C - Device for removing lime : de en
  • SU46950A1 - Crosshead for single parallel locomotive machines : en ru
  • SU47123A1 - Metal Button Lock : en ru
  • US2042092A - Fluid pressure brake : en
  • USD99785S - Design for a slipper : en
  • GB447768A - Method for the production of an insulating material for cables, gas-pipes and water-pipes and the like : en
  • GB447792A - Method for the production of substituted benzyl carbinamines and product thereof : en
  • FR798900A - Play catching device : en fr
  • FR798990A - Changing gears for cycles acting by derailing the chain : en fr
  • US2041944A - Safety attachment for wrist bands : en
  • GB447924A - Improvements in electrical contact devices for locks : en
  • CH184495A - Process for the preparation of a polymethine compound substituted on the central carbon atom of the polymethine chain. : de en
  • US2041816A - Light sensitive cell : en
  • CH184431A - Self-seller of paper towels and soap sheets. : de en
  • DK51668C - Procedure for Repairing Building Timber. : da en
  • FR798976A - Device for supplying fuel to an internal combustion engine : en fr
  • DE630434C - Thin, flexible razor blade with a medium longitudinal slot : de en
  • FR798755A - Contact device for electrical switches, such as for example wave switches : en fr
  • FR799013A - Process for the production of dolls and animals in cloth, elements used in this manufacture and articles resulting therefrom : en fr
  • US2041683A - Heating apparatus : en
  • US2042082A - Air cushion horse collar : en
  • FR799039A - Coated welding rods : en fr
  • SU47265A1 - Drive for mobile gutters with casing mechanism : en ru
  • CH184544A - Rifle. : de en
  • GB447799A - Improvements in and relating to foot supporting devices : en
  • GB447925A - Improvements in separable fasteners : en
  • GB447971A - Loudspeaking telephone system : en
  • GB448041A - Improvements in and relating to electric discharge lamps : en
  • DE630306C - Device for aligning cigarettes in a flaky position : de en
  • USD99821S - Design for a ring box or similar : en
  • SU46869A1 - Device for cutting fabric : en ru
  • US2041691A - Holder for shopping bags : en
  • US2041812A - Apparatus for handling strands : en
  • US2042170A - Stoking grate : en
  • US2042324A - Tabulator : en
  • AT145757B - Arc lamp for irradiation purposes. : de en
  • DE630268C - Gripper with two pressure fingers for gripping the winding material in a winding machine for carbon dolls galvanic elements or the like. : de en
  • SU46864A1 - Cooking and bleaching apparatus for yarn and similar materials : en ru
  • SU47007A1 - The method of testing measuring transformers : en ru
  • US2042182A - Oil bath temperature regulator : en
  • US2042411A - Process of decomposing fats or oils into fatty acids and glycerine : en
  • USD99776S - Design for a textile fabric : en
  • CH184226A - Device for automatic control of track faults on railway lines, in particular for automatic determination of loose sleepers, and for their visible identification by coloring. : de en
  • US2042254A - Pulverizer : en
  • US2042341A - Juice extractor : en
  • USD99836S - Design for a radiant heater : en
  • AU2270735A - Improvements in or relating to water-heaters : en
  • SU47179A1 - Aerodynamic Sailing Brake : en ru
  • FR798876A - Improvements to machines used to cut materials into slices : en fr
  • DE630416C - bearings : de en
  • FR798905A - Further training in the construction of vehicle bodies and method of manufacturing and assembling said bodies : en fr
  • GB447794A - Improvements relating to selective disconnecting boxes for electric cables : en
  • GB448185A - Improvements in or relating to elastic woven fabrics and methods of making them : en
  • US2042030A - Laminated article : en
  • US2042285A - Production of carbon monoxide and hydrogen from methane : en
  • US2041820A - Production of esters : en
  • US2042111A - Brake circuit checking device : en
  • US2042160A - Wheel : en
  • SU47101A1 - Method for determining thermal conductivity of materials : en ru
  • GB448039A - Improvements relating to shirts : en
  • PL23063B1 - A pull-bumper device for railway vehicles. : en pl
  • US2042387A - Carrying case : en
  • US2042433A - Spinning centrifuge : en
  • CH184329A - Photographic camera with viewfinder chamber. : de en
  • DE630556C - Upright pipe preheater, especially for heating lye for pulp boiling : de en
  • DK51682C - Method and Apparatus for the Production of a Feed of Soybeans. : da en
  • FR799008A - Improvements to impregnated dielectric materials : en fr
  • GB448011A - Improved circuit arrangements for telephone or like instruments : en
  • CH184479A - Process for the preparation of a substantive copper-containing azo dye. : de en
  • FR798800A - Control device for machines or mechanisms : en fr
  • SU46876A1 - The method of heat treatment of shale : en ru
  • US2042363A - High temperature refractory cement : en
  • GB447964A - Machine for shaping and wrapping prismatic pieces of ice cream and the like in paper and the like : en
  • FR798770A - Bra : en fr
  • FR798964A - Welding improvements : en fr
  • FR798772A - Chassis frame for automobiles : en fr
  • FR798872A - Improvements in the manufacture of asbestos and cement pipes and conduits and products thereof : en fr
  • GB447689A - Improvements in or relating to carding flats : en
  • DE630263C - Device for regulating the delivery rate of injectors in which the propellant and the material to be conveyed are under the same static pressure : de en
  • DE630574C - Forming roller for lignite briquette presses or the like. : de en
  • DK51691C - Apparatus for continuous recording or reproduction of photographic records on an endless film strip. : da en
  • FR798715A - Magnetron system : en fr
  • GB447853A - An improved method of quickly stopping continuous current motors for driving rolling mills : en
  • US2042161A - Comminuting machine for foodstuffs : en
  • US2042397A - Hair curler : en
  • DE630265C - Safety valve with auxiliary control and main valve : de en
  • AT145936B - Self-sellers with the collection of basic fees caused by the resetting of a default work under the influence of a time work. : de en
  • CH184311A - Metal object provided with a protective coating. : de en
  • AT145957B - Sewing machine table. : de en
  • CH184541A - Process for the preparation of a mixture of quaternary ammonium compounds. : de en
  • AT145897B - Switching device for the gearbox of motor vehicles. : de en
  • AU2266435A - Insecticidal oil compositions : en
  • AT145900B - Display device, in particular for train control devices on the locomotive. : de en
  • CH184530A - Process for the preparation of a salt of tetrahydro-N-methylnicotinic acid methyl ester. : de en
  • DE630375C - Foot measuring device : de en
  • AT145889B - Carrying bag for respiratory masks. : de en
  • CA358202A - Hat mould : en fr
  • CH184289A - Process for the production of coffee substitutes from grain. : de en
  • CH184471A - Process for the production of granular calcium cyanamide. : de en
  • SU47147A1 - Bending tube : en ru
  • SU47198A1 - Telemetry device : en ru
  • CH184246A - Process for the production of a cleaning agent. : de en
  • CH184440A - Arrangement for the simultaneous reception of picture and sound. : de en
  • US2042079A - Automotive vehicle : en
  • US2042441A - Shipping container : en
  • US2041998A - Automobile screen : en
  • US2042222A - Treatment of unsaturated halides : en
  • USD99837S - Design fok a spoon oe other article : en
  • AT145958B - Gripper drive. : de en
  • AT145981B - Screwable fastening device for rubber teats on milk bottles. : de en
  • US2042081A - Inserted blade type cutter : en
  • US2042097A - Portable sheet material cutter : en
  • CH184379A - Fuel injection device for injection internal combustion engines for airless injection, with an injection nozzle cooled by means of a coolant on a housing with a fuel needle valve which is opened by the fuel pressure. : de en
  • CA358168A - Separating fastener : en fr
  • US2041755A - Combined bottle holder and closure-protector : en
  • US2041923A - Pressing machine : en
  • CA358089A - Sound reproducing system : en fr
  • AT145878B - Six-wheeled motor vehicle with driven axles. : de en
  • AT145937B - Process for making metal casts. : de en
  • US2041817A - Ship's davit : en
  • US2042156A - Tamper for concrete road finishing machines : en
  • US2042278A - Shower bath apparatus : en
  • AT145904B - Steering device on trailer vehicles. : de en
  • SU47105A1 - Apparatus for determining the capillary properties of the soil : en ru
  • US2042146A - Milanese warp knitting machine : en
  • CH184493A - Process for the preparation of a polymethine compound substituted on the central carbon atom of the polymethine chain. : de en
  • CA358121A - Can opening device : en fr
  • CH184527A - Device for monitoring a system that is capable of more than one basic state and changing operating states. : de en
  • PL23072B1 - An electric lead battery and a method of making such batteries. : en pl
  • SU47164A1 - A method for enhancing photographic images with sulfur lead and iron : en ru
  • AT145871B - Can for cigarettes or similarly shaped objects with a single dispenser. : de en
  • AT145954B - Film developing spool. : de en
  • CA358191A - Garment hanger : en fr
  • DE630372C - Joint, especially for radiator hoods of motor vehicles : de en
  • FR798832A - Electrical conductor and its manufacturing process : en fr
  • CA358104A - Temperature measuring device : en fr
  • CA358142A - Ignition transformer : en fr
  • DE630432C - Mallock with locking discs that automatically return to their locked position after the lock bolt is released : de en
  • FR798891A - Warning light for rear red light : en fr
  • FR798821A - Product for immediate sealing of punctures in automobile inner tubes, etc. : en fr
  • FR799036A - Ventilation glass : en fr
  • AT145847B - Process for stabilizing creamed rubber milk. : de en
  • AT145876B - Frames for motor vehicles, in particular for rail motor vehicles. : de en
  • CH184547A - Electrically controlled door opening and closing device for vehicles of trains operated by pressure medium. : de en
  • GB447832A - Improvements in the manufacture of cellulose derivatives and in filaments, films, plastic masses, sizes and the like made therefrom : en
  • AT145944B - Cam controlled gripper for cinema equipment. : de en
  • BE415019A - Amphibious device : en fr
  • CA358095A - Pest combating means : en fr
  • GB447951A - Improvements in and relating to combined corsets and brassieres : en
  • GB447966A - Ball bearing, especially for pivotal connections between a trailer and its support, and method of its manufacture : en
  • US2042261A - Gaseous electric discharge device : en
  • SU47262A1 - Bicycle wheel with free wheeling : en ru
  • AT145850B - Process for the production of tanning images. : de en
  • AT145869B - Wind protection device for friction wheel lighters. : de en
  • DE630258C - Gas safety tap : de en
  • AT145925B - Automatic firearm. : de en
  • PL23116B1 - Two-stroke internal combustion engine with self-ignition of the injected fuel and three or more cylinders arranged in a star, the pistons of which act on a common combustion space. : en pl
  • US2042181A - Control circuit : en
  • FR798973A - Improvements to mechanical calendars : en fr
  • US2041790A - Aircraft : en
  • US2042109A - Electrical relay : en
  • US2042151A - Raiolway car : en
  • US2041892A - Venetian blind control mechanism : en
  • USD99811S - Design for a piano : en
  • US2041718A - Method of and apparatus for manipulating articles, such as talking machine or phonograph records : en
  • GB447695A - Improvements in and relating to mixing apparatus : en
  • US2042164A - Labeling machine for cylindrical and similar packages : en
  • DK51694C - Drawer furniture. : da en
  • GB448005A - Superheterodyne receiver for wireless reception : en
  • GB448433A - Improvements in methods and apparatus for treating solids with gaseous media : en
  • SU46975A1 - A device for converting a sinusoidal emf into an approximately rectangular : en ru
  • SU47068A1 - Device for moving buildings : en ru
  • CH184328A - Device for reproducing sound-image films, in particular cine films. : de en
  • DE630394C - Process for the preparation of nitro derivatives of 2-oxynaphthalene-1-sulfonic acid-3-carboxylic acid : de en
  • GB447939A - Improvements in face paints : en
  • SU46873A1 - Door for coke oven : en ru
  • US2042083A - Driving mechanism for engines, compressors, pumps, and other machines : en
  • US2042095A - Detection of suspended matter in gaseous fluids : en
  • FR798843A - Holder for pharmaceutical ampoules and the like : en fr
  • FR799050A - Device for automatic control of at least one device for stopping the flow of a fluid in an open or closed channel : en fr
  • USD99815S - Design for a coat : en
  • FR798767A - Automatic gear shifting system : en fr
  • GB447806A - Improved apparatus for drying wood : en
  • FR798952A - Reading desk : en fr
  • GB447844A - Improvements in or relating to circuit arrangements for luminous electric discharge devices : en
  • DE630542C - Mobile axle jack : de en
  • CH184486A - Process for the preparation of an azo dye. : de en
  • AT145997B - Connection piece for multiple pipes. : de en
  • FR798735A - Concrete and hydraulic cement improvements : en fr
  • FR798879A - Device for throwing grenades : en fr
  • DE1376122U - : de
  • GB447852A - Improvements in or relating to vehicle brakes : en
  • PL23088B1 - A method of analyzing image synthesis for electric remote transmission. : en pl
  • SU47126A1 - Device for tying twine wood seedlings : en ru
  • FR798945A - Detachable two-piece metal drain, quick to assemble and instantaneous shut-off, combined with central air intake riser : en fr
  • GB447785A - Improvements relating to lid stays and like supporting means for boxes, cabinets and the like : en
  • US2041988A - Tire repair patch : en
  • SU46989A1 - Device for holding the torn-up driving belt of the car lighting dynamo : en ru
  • SU47064A1 - Hydraulic jack : en ru
  • US2042321A - Oscillating system : en
  • US2042067A - Valve : en
  • GB447836A - Improvements relating to rotary kiln plants : en
  • GB447874A - Improvements in turbines : en
  • CA358132A - Electrical apparatus : en fr
  • FR798807A - Improvements to the process and apparatus for annealing sheets or ribbons of glass, ice or similar products : en fr
  • GB448042A - Improvements in hoods for vehicles : en
  • GB447895A - Improvements in and relating to fluid-flow meters and the like : en
  • FR798758A - Improvement in projection devices for sound cinematography : en fr
  • FR799009A - Tilting door : en fr
  • DE630478C - Microscope slide : de en
  • GB448037A - Improvements in or relating to electric wiring systems : en
  • DE630202C - Organ-like musical instrument : de en
  • US2041987A - Load weighing vehicle : en
  • US2041966A - Battery terminal clamp : en
  • US2042138A - Gaseous electric discharge lamp device : en
  • CH184462A - Electric brake pressure regulator on rail vehicles. : de en
  • GB447808A - Improvements in or relating to shades for electric light sources : en
  • US2041921A - Adjustable mechanism for oscillating electric fans : en
  • US2041803A - Well pumping unit : en
  • US2041822A - Electrooptical system : en
  • DE630336C - Mercury switch : de en
  • DE630565C - Watercraft : de en
  • DE630296C - Safety device on working machines, in particular presses : de en
  • GB447804A - Improvements in or relating to electro-magnetic sound recording and/or reproducing machines : en
  • GB447944A - Improvements in securing devices for windscreens and the like : en
  • AT145942B - Device for connecting the end of the running film tape with the beginning of the following film tape on cinema projection apparatus. : de en
  • CH184353A - Process for the production of composite centrifugally cast bodies. : de en
  • CH184422A - Process for the preparation of 2-methyl-4-aminoquinolyl-6-melamine. : de en
  • PL23076B1 - The method of de-acidifying milk, milk products and similar liquids is by means of an electric current and an apparatus for carrying out the method. : en pl
  • SU46928A1 - The method of obtaining phenol-aldehyde resin : en ru
  • SU46995A1 - Device for differential protection of a dual busbar system against earth faults : en ru
  • SU47244A1 - Fire hydrant : en ru
  • SU46901A1 - Apparatus for the redistribution of yellow phosphorus in red : en ru
  • US2042155A - Alloy : en
  • SU47106A1 - Method for investigation of gases contained in metals : en ru
  • SU47133A1 - The method of canning antlers : en ru
  • US2041908A - Combination desk and seat : en
  • US2042044A - Condenser : en
  • US2042295A - Adapter plate for applying pressure to forks for shearing machines : en
  • US2042364A - Railway tie plate : en
  • US2042383A - Proportional liquid feed apparatus : en
  • DE630325C - Process for the extraction of pure sulfur : de en
  • SU46900A1 - Nitric acid concentration tower : en ru
  • US2042275A - Innersole making machine : en
  • PL23057B1 - Explosive material that can be poured and how it is made. : en pl
  • DK51677C - Machine for collecting flags of wood or similar material for continuous tracks. : da en
  • DE630420C - Mechanics for keyboard instruments : de en
  • CH184529A - Process for the preparation of an acylated mixture of the isomers of the dihydrofollicle hormone. : de en
  • SU47168A1 - Device for switching a hydraulic press from low to high pressure : en ru
  • US2042234A - Electric control system : en
  • SU47039A1 - Adaptation to tanning and flushing drums to set them in the desired position : en ru
  • SU47041A1 - Gin : en ru
  • CA358205A - Hydraulically operated piston pump : en fr
  • DE630496C - Machine for making shoes without seams : de en
  • SU46996A1 - Device for protecting electrical installations from incomplete short circuits : en ru
  • USD99791S - Design fob a flashlight : en
  • US2041867A - Multiple alloys : en
  • CH184215A - Etiquette. : de en
  • DK51679C - Electrical Central System. : da en
  • AT145951B - Bust formers and holders. : de en
  • US2041902A - Switch operating mechanism : en
  • SU47193A1 - Drawing device for the blind : en ru
  • US2041883A - Apparatus for producing fuel : en
  • AT145839B - Road surface and process for its manufacture. : de en
  • CH184458A - Vehicle wheel. : de en
  • SU47160A1 - Machine for producing blank strips for making waterproof boxes : en ru
  • US2041948A - Clutch : en
  • US2042229A - Detachable union : en
  • CH184445A - Machine for the production of packaging filled with bulk goods, the contents of which are intended for boiling or leaching. : de en
  • US2041946A - Closure seal : en
  • CH184382A - Compressor arranged in a closed housing for gaseous media, especially for refrigeration purposes. : de en
  • CH184426A - Method for the preparation of dihydrodeoxymorphine D. : de en
  • SU47095A1 - A device for determining the volume during land and similar works. : en ru
  • SU47032A1 - The method of destruction of oil emulsions : en ru
  • SU47137A1 - The method of producing fertilizer containing nitrogen, phosphorus, magnesium and active silicic acid : en ru
  • US2041762A - Interlock for meter casings : en
  • FR798916A - Measuring device for low current transmission systems : en fr
  • FR799024A - Auxiliary construction for determining the torsional stiffness of quadrangular boxes open on one or two sides : en fr
  • AT145753B - Time switch. : de en
  • CA358100A - Cabinet bed : en fr
  • CH184283A - Apparatus for separating dust or liquid particles from gases or vapors. : de en
  • DE630280C - Process for the production of solidified gasoline : de en
  • DE630408C - Kitchen stove with a main fire and a secondary fire to the side : de en
  • FR798928A - Supporting system, in particular for girder bridges : en fr
  • FR798963A - Improvements in processes for recording images and sounds on a common photographic medium : en fr
  • SU46952A1 - Carriage wooden shield for transportation of bulk cargo in a wagon : en ru
  • US2041847A - Adjustable duplex electric lamp : en
  • US2042267A - Automobile license plate locking device : en
  • FR799023A - Glass ampoule blowing machine : en fr
  • FR798825A - Repeater guns refinements : en fr
  • CA358185A - Lehr mechanism : en fr
  • CH184498A - Process for the production of a transparent, violet lacquer. : de en
  • CH184459A - Method and device for attaching the tire to pneumatic jackets. : de en
  • CH184516A - Process for the production of a transparent lacquer. : de en
  • DE630277C - Device for heating and vaporizing flowing liquids : de en
  • DE630417C - Torque coupling : de en
  • CA358182A - Firedoor and stoker : en fr
  • CH184546A - Gear change mechanism, in particular applicable to a bicycle. : en fr
  • CH184439A - Braun tube for television purposes and process for their manufacture. : de en
  • CH184209A - Cutting unit for mowers. : de en
  • PL23108B1 - Ceiling block. : en pl
  • SU46854A1 - Composition for greasing baking forms : en ru
  • US2041802A - Electron emitter : en
  • CA358064A - Complex objective for three colour projection : en fr
  • FR798926A - Automatic variable pitch propeller : en fr
  • FR798981A - Automatic coupling device : en fr
  • CA358109A - Concrete article production : en fr
  • SU47208A1 - Play with m : en ru
  • USD99808S - Design for an index plate fob : en
  • FR798854A - Improvements in the saponification of cellulose esters : en fr
  • BE413245A - : en
  • CH184316A - Process for the production of fiber material from animal skin. : de en
  • AT145887B - Ship shape. : de en
  • AT145941B - As a heel protector, anti-slip device and as a fastening means for rubber heels serving on shoe heels. : de en
  • CH184537A - Process for the preparation of a mixture of quaternary ammonium compounds. : de en
  • SU47100A1 - Stroboscope for the study of vocal apparatus : en ru
  • US2042208A - Dynamo-electric machine : en
  • CA358067A - Condenser unit : en fr
  • PL23146B1 - ~ KU3_x, io. A flexible clip used in men's clothes. : en pl
  • CH184337A - Procedure for keeping the degree of modulation constant in sound modulated transmitters. : de en
  • US2042436A - Purification of titanium compounds : en
  • US2041995A - Mounting for signaling devices and the like : en
  • CH184425A - A process for preparing d-trans-n-oxocamphor from iso-ketopinic acid. : en fr
  • CH184490A - Process for the preparation of a carbocyanine dye. : de en
  • US2041938A - Pressed steel cover for domes : en
  • US2041805A - Manufacture of coat hangers : en
  • GB447932A - Improvements in or relating to the manufacture of case hardened piston rings : en
  • US2041708A - Combustion engine : en
  • SU47108A1 - Method and device for gas analysis : en ru
  • SU46970A1 - Device for automatic control of compound traction motors : en ru
  • SU47089A1 - Method and apparatus for mass checking tooth thickness of spur gears : en ru
  • US2042093A - Acetylene gas generator : en
  • US2042282A - Pocket : en
  • USD99825S - Design for a muddler : en
  • CH184244A - Electric stove with a solid fuel firing point. : de en
  • CH184373A - Gear transmission for stepless gear change. : de en
  • DE630411C - Hinge for folding rule : de en
  • SU47062A1 - Centrifugal brake for winch : en ru
  • PL23131B1 - Electron discharge lamp. : en pl
  • SU47149A1 - A method of making mastic to form a heat insulating layer : en ru
  • CH184447A - Tube with automatic closure. : de en
  • DE630482C - Device for combating pests, in particular for use on vacuum cleaners : de en
  • USD99797S - Design for a directional signal : en
  • USD99803S - Design fob a chaise longue frame : en
  • PL23055B1 - : en pl
  • US2041794A - Aircraft : en
  • US2042301A - Valve seat for air blast valves : en
  • US2041807A - Uncoupling mechanism : en
  • FR798740A - Photoelectric light meter : en fr
  • SU47229A1 - Cargo bad : en ru
  • FR798818A - Double bottom molded material container : en fr
  • FR798922A - Cements and porcelain refinements for dental use : en fr
  • SU46960A1 - A device for braking a train with a closed between-car crane : en ru
  • CH184534A - Process for the preparation of a cyclic amine. : de en
  • US2042317A - Sash fastener : en
  • SU46976A1 - Power limiter : en ru
  • US2042279A - Brush structure : en
  • PL23069B1 - Long-distance teletechnical cable for four-wire work, especially in systems working at carrier frequency. : en pl
  • CA358157A - Valve for milking machines : en fr
  • CH184452A - Coal container with facility for filling coal into coal boilers. : de en
  • GB448105A - Preparation of stable mixtures containing rubber and pitch : en
  • SU46859A1 - Mining harvester for fire work : en ru
  • CH184437A - Connection device for radio receiver. : en fr
  • GB448013A - Improvements in climbing irons : en
  • GB447716A - Improvements in or relating to blotting pads : en
  • FR799028A - Automatic water anti-condenser device for pneumatic receivers : en fr
  • GB448111A - Improvements in or relating to television or electrical time base systems : en
  • FR798713A - Adjustable lighting fixture : en fr
  • GB447707A - Method of and system for determining positions by means of a rotating radio beacon : en
  • US2042185A - Humidifying apparatus : en
  • US2042361A - Demonstrating apparatus : en
  • SU47060A1 - Device for preventing a gantry foot or the like from running : en ru
  • CH184219A - Hermetic locking device on doors, windows and similar closures. : de en
  • DE630326C - Process for the preparation of double compounds of calcium or strontium with theobromine or theophylline and an organic acid : de en
  • SU47182A1 - Swivel air catapult : en ru
  • US2041827A - Colored light-sensitive material and process of producing color pictures therewith : en
  • US2041917A - Instantaneous water heater : en
  • US2042198A - Suction box cover : en
  • US2042099A - One-piece hollow steel propeller : en
  • US2042206A - Lubricating device : en
  • US2041891A - Package sealing apparatus : en
  • DE630319C - Heavy oil burner : de en
  • GB447869A - Improvements in or relating to phonograph reproducers : en
  • PL23087B1 - Firn thread and the method of their production. : en pl
  • CH184249A - Seating. : de en
  • US2042348A - Dispensing cabinet : en
  • US2042447A - Quarrying tool : en
  • CA358144A - Discharge-gap flashover protector : en fr
  • PL23049B1 - A method of soldering, welding, or coating metals, and means for carrying out the method. : en pl
  • BE415307A - : en fr
  • CH184371A - Shut-off and throttle valve for liquids and gases. : de en
  • US2042046A - Edge binding : en
  • GB447728A - Improvements in internal-combustion turbines : en
  • CH184349A - Watch movement. : en fr
  • DE630463C - Lecher wire system provided with a double-folded extension : de en
  • SU47165A1 - A device for copying negative plates or films with the correct raster : en ru
  • SU47107A1 - Method for determination of fluorine content in fluorite ore : en ru
  • SU47127A1 - Machine for planting beet and similar landings : en ru
  • CH184391A - Contact device for electric switch. : en fr
  • CH184414A - Electric discharge tube. : de en
  • FR798753A - Refrigeration machine : en fr
  • GB447892A - Improvements in means for fastening railway rail chairs to sleepers : en
  • USD99807S - Design for a sadiron shell : en
  • GB447957A - Improvements in and relating to exhausting and gas filling machines for electric lamp bulbs and similar receptacles : en
  • PL23097B1 - Centrifugal friction clutch, especially for coupling an internal combustion engine to a compressor. : en pl
  • SU46968A1 - Device for starting electric carts : en ru
  • US2042231A - Torsion testing mechanism : en
  • USD99778S - Design fob a burial vault : en
  • CH184503A - Process for the production of a transparent, yellow lacquer. : de en
  • FR799018A - Fuel for oil fires : en fr
  • CA358107A - Bottle closure : en fr
  • SU46933A1 - A method of processing peat nozzy water : en ru
  • SU47024A1 - A method of manufacturing a diluent for nitrolak : en ru
  • PL23075B1 - Device for airless fuel injection into the working cylinder of internal combustion engines. : en pl
  • SU46949A1 - Rope clamp : en ru
  • SU47231A1 - Firewood disposer : en ru
  • US2041709A - Combustion engine : en
  • GB447965A - Improved turbo-pump unit for extinguishing fires : en
  • GB447986A - Improvements in slides for brace bands, and other bands, webbing and the like : en
  • US2041712A - Art of coating : en
  • US2042428A - Process for conveying solid surstances through channels, pipes, and the like : en
  • SU46984A1 - Oil circuit breaker : en ru
  • AT145856B - Reversible reversing gear for aircraft propellers. : de en
  • CH184366A - Process for the production of hollow bodies simulating fuel. : de en
  • CH184477A - Process for the preparation of a substantive copper-containing azo dye. : de en
  • GB447974A - Improvements in or relating to dry batteries : en
  • FR798782A - Railway train consisting of two trainsets joined by a two-axle coupling wagon : en fr
  • GB448010A - Improvements relating to plansifters : en
  • BE415180R - Preparation of new basic ethers-salts : en fr
  • DE630295C - Hand tools for locking saws : de en
  • DE630310C - Piston for gas container : de en
  • US2041894A - Broaching machine : en
  • US2042091A - Fluid pressure brake apparatus : en
  • US2042347A - Chemical cleaning process : en
  • SU46918A1 - Method for producing phenylacetaldehyde : en ru
  • US2041821A - Strain release : en
  • US2042217A - Heating system and control means therefor : en
  • US2041716A - Amino-ortho-nitro-aryl-thiocarboxylic acids, and process of preparing same : en
  • CH184451A - System equipped with a centrifugal conveyor for conveying powdery material. : de en
  • DE630454C - Process for the electrolytic reduction of monosaccharides : de en
  • AT145914B - Metal vessel or barrel. : de en
  • DE630568C - Spraying process for paints, varnishes or similar means for surface treatment : de en
  • FR798722A - Process for the preparation of lubricating oils : en fr
  • PL23103B1 - Mine stamp. : en pl
  • SU46857A1 - Device for automatic feeding of pneumatic perforators : en ru
  • USD99805S - Design for a wheel : en
  • FR798868A - Science toy : en fr
  • GB448009A - Process for reclaiming used lubricating oils : en
  • GB447936A - An improvement in or relating to fire extinguishers : en
  • SU47144A1 - Drive connector chain : en ru
  • SU47148A1 - Pipe plug : en ru
  • SU46923A1 - The method of purification of 6-methoxy-8-aminoquinoline : en ru
  • FR798765A - Typewriter Keys : en fr
  • CA358198A - Shipping and display container : en fr
  • CH184258A - Device for closing a container intended to make it difficult to refill it. : en fr
  • CH184365A - Process and template for producing a grained wood finish. : de en
  • CA358203A - Route file : en fr
  • CH184346A - Multi-color camera with two skin mirrors as light-dividing surfaces. : de en
  • FR798823A - High speed warper : en fr
  • FR799021A - Safety razor : en fr
  • CA358076A - Aliphatic compound manufacture : en fr
  • CH184505A - Process for the production of a transparent, brown-red lacquer. : de en
  • PL23126B1 - Process for the production of isoalloxazine derivatives. : en pl
  • SU47084A1 - A tool for indenting and planting a sock pads in the production of valleys : en ru
  • US2041961A - Expansion joint and core : en
  • US2042404A - Steering wheel drive for vehicles : en
  • US2042130A - Boiler cleaning composition : en
  • FR798948A - Cigarette dispenser : en fr
  • CA358127A - Shoe lasting gauge : en fr
  • SU47012A1 - Method for eliminating sparks when forming aluminum foil for electrical capacitors : en ru
  • SU47218A1 - The method of manufacture of thermal insulation material : en ru
  • US2042328A - Vacuum cleaner : en
  • USRE19978E - Discharge head for : en
  • FR798936A - Improvements in methods and apparatus for the deposition of metals by cathodic dislocation of an electrode : en fr
  • CA358156A - Harrow : en fr
  • SU46946A1 - Screw jack for lifting railway track : en ru
  • SU47245A1 - Tool for driving the loom of the loom : en ru
  • FR798786A - New cycle pump or compressor : en fr
  • DK51672C - Method for Manufacturing Reinforced Concrete Structures. : da en
  • FR798790A - Electric switch with double-acting control : en fr
  • PL23081B1 - The breech of rifles with a rotating shaft. : en pl
  • AT145948B - Mannequin. : de en
  • AT145851B - Method for generating a mixed gas from distillation gas and water gas. : de en
  • CH184507A - Process for the production of a transparent, greenish yellow lacquer. : de en
  • FR799030A - Industrial product consisting of a wall made of rattan cane strands : en fr
  • GB448007A - Improvements in or relating to thermal insulation and process of making the same : en
  • AT145866B - Jewelry shorts. : de en
  • CH184492A - Process for the preparation of a carbocyanine dye. : de en
  • BE415160A - Preparation of new basic ethers-salts : en fr
  • CH184255A - Emulsor, in particular for use in households and pastry shops. : de en
  • CH184281A - Control tap built into the skimmed milk line of a milk spinner with a discharge device for the skimmed milk. : de en
  • SU47247A1 - Shuttle for rogozhettskogo machine : en ru
  • US2042142A - Air conditioning apparatus : en
  • CA358122A - Cellulose production : en fr
  • US2041752A - Cash register : en
  • AT145756B - Device for the transmission of still or moving images by means of a cathode ray tube. : de en
  • US2041925A - Electric vacuum horn : en
  • DE630279C - Process and device for the production of low-boiling hydrocarbon oils from high-boiling hydrocarbon oils by distillation at high temperatures down to coke : de en
  • DE630492C - Pivot hinge arrangement for basement windows with a glass and a protective wing : de en
  • CH184465A - Tractor mower. : de en
  • DE629982C - Closure for hollow body : de en
  • FR798744A - Device for recording and reproducing sound : en fr
  • FR799017A - Process for chrome tanning : en fr
  • AT145945B - Device for focusing photographic images in enlargers. : de en
  • CH184351A - Aluminum alloy. : de en
  • CA358165A - High frequency interstage coupling device : en fr
  • CA358161A - Tank car : en fr
  • DK51667C - Electric Fluorescent Light for AC Operation. : da en
  • CA358178A - Liquid processing : en fr
  • AT145769B - Circuit for the magnetic deflection of the cathode ray of Braun's tubes. : de en
  • AT145977B - Pocket perfume atomizer. : de en
  • CH184491A - Process for the preparation of a carbocyanine dye. : de en
  • AT145834B - Process for the production of goods with a refined surface. : de en
  • AT145990B - Filtering device. : de en
  • CH184488A - Process for the preparation of a condensation product of a carbenium compound. : de en
  • AT145924B - Garbage collection truck. : de en
  • US2042136A - Gaseous electric discharge device : en
  • AT145896B - Car bodies, in particular for large vehicles. : de en
  • AT145845B - Process for the preparation of difficult to split acyl derivatives of salicylic acid or its esters. : de en
  • AT145848B - Lubricant. : de en
  • CH184543A - Sealing machine for sealing all types of straps using two-part seals. : de en
  • CH184380A - Valve and method for its manufacture. : en fr
  • CH184282A - Device for separating specifically heavier parts from streams of specifically lighter media. : de en
  • GB447877A - Improvements in or relating to medicinal preparations having a diuretic effect : en
  • AT145762B - Circuit arrangement for dialing calls to carrier current connections. : de en
  • AT145858B - Double cone crusher. : de en
  • AT145882B - Oil delivery rod for the lubrication of axle bearings, in particular for rail vehicles. : de en
  • DE630262C - Breakout slide for deep boreholes : de en
  • AT145943B - Coupling device with an electric motor drive, in particular for cinema sets. : de en
  • AT145765B - Electric cable. : de en
  • AT145776B - Electric incandescent lamp or discharge tube. : de en
  • AT145835B - Process for the production of a long-life, homogeneous cheese, cream cheese or quark. : de en
  • AT145919B - Brake or switch-off device for overhead conveyors. : de en
  • GB447863A - A direction stabilising device for motor car lamps : en
  • AT145935B - Device for scooping molten glass from a rotatable vat. : de en
  • CA358114A - Game board : en fr
  • SU46889A1 - Method for producing molybdenum catalyst for hydrogenation of hydrocarbons : en ru
  • US2042288A - Container for bakery products : en
  • FR798787A - Improvement in the construction of rotating electrical equipment, in particular motors, with a view to eliminating vibrations : en fr
  • PL23141B1 - Transparent partition. : en pl
  • FR798937A - Improvements to telemetry devices : en fr
  • SU46861A1 - The method of preparation of malt concentrate in briquettes : en ru
  • GB448028A - Improvements in or relating to the distillation and carbonisation of coal-oil mixtures : en
  • US2042356A - Transmission : en
  • DE619714C - Control device for the operation of a push button that has taken place : de en
  • FR798836A - Improvements in the saponification of cellulose esters : en fr
  • AT145922B - Roasting tube. : de en
  • DE630448C - Toothbrush or the like with a spoon-like measuring container arranged in the extension of the handle : de en
  • FR798815A - Adjustable cupola and device for its control, more particularly for firing stations on board aircraft : en fr
  • AT145806B - Process for the grain refinement of cast zinc and its alloys. : de en
  • CA358120A - Electrical connector : en fr
  • DE630451C - Reaction tower for the absorption of gases by liquids : de en
  • FR798878A - Percussion rocket : en fr
  • FR799004A - Automatic machine for smoothing or polishing all stamped parts and in particular kitchen utensils : en fr
  • US2041719A - Prismostereophorometer : en
  • US2042344A - Light regulating means : en
  • USD99828S - Tube holding and dispensing device : en
  • DE630269C - Process for charging electrical lead-acid batteries, the positive plates of which are made of a lead alloy : de en
  • US2042171A - Phonograph : en
  • US2041940A - Combustion chamber construction for internal combustion engines : en
  • US2042313A - Phenolic condensation products and method of making the same : en
  • DE627268C - Hemispherical rotary slide valve for tubes or similar containers : de en
  • GB447690A - Manufacture of aliphatic anhydrides and aldehydes : en
  • DE630374C - Bicycle saddle made of rubber : de en
  • DE630445C - Device for conveying wood in steep struts by means of brake conveyors : de en
  • FR798880A - Device for launching bombs from aircraft : en fr
  • GB447782A - Improvements in or relating to burglar alarm systems : en
  • DE630505C - Disc roller grate : de en
  • GB447730A - An improved arrangement of pipes for supplying compressed air for actuating the starting valves of multicylinder internal combustion engines : en
  • DE630533C - Lock relay for differential protection devices : de en
  • GB447950A - Improvements in or relating to rotors with adjustable blades : en
  • IE14185L - Filleting fish. : en
  • US2041747A - Manufacture of aliphatic anhydrides : en
  • US2042066A - Valve : en
  • US2042165A - Anthraquinone derivatinves and process of preparing the same : en
  • US2042250A - Can body making machine : en
  • US2042343A - Benzyl substituted salicylic acid and method of manufacturing the same : en
  • USD99820S - Design fob a buckle : en
  • FR798748A - Dressing for gonorrhea : en fr
  • USD99775S - Design for a lens strap : en
  • FR798838A - Improvements to churn-mixers : en fr
  • GB447786A - Toothed gearing, for driving aircraft propellers : en
  • FR798974A - Hunting system and method and device for its implementation : en fr
  • DE630558C - Relieved gear pump or motor : de en
  • FR799020A - Pepper, salt, sugar, coffee and similar mill : en fr
  • DE630308C - Method and device for discharging the centrifugal fluid from a centrifugal drum : de en
  • AT145832B - Process for the production of patterned tapes with a strip-like pattern. : de en
  • GB447754A - Improvements in or relating to insulated electrical conductors : en
  • FR798906A - Compressed air motor with automatic recharging especially for automobiles : en fr
  • DE630362C - Crank drive : de en
  • GB447827A - Improved manufacture of electrodes for electrolytic processes : en
  • DE630384C - Process for removing solid and asphalt-like contaminants from liquid fuels to be hydrogenated : de en
  • US2041937A - Tube rolling process : en
  • US2041874A - Composition for preventing sunburn : en
  • CH184261A - Mixing tap for the production and dispensing of beverage mixes. : de en
  • SU47091A1 - Suspension device for determining the inclination of the cable : en ru
  • SU46862A1 - Bard dewatering device : en ru
  • DE630457C - Process for precipitation hardening of iron-nickel-beryllium alloys : de en
  • GB447821A - Process of manufacture of multi-cellular glass : en
  • GB447907A - Improvements in or relating to the shoe-blocks or pads of cycle rim-brakes : en
  • FR798898A - Device for the individual control of transport systems made up of several transport elements : en fr
  • US2041833A - Fuel supply and control system : en
  • US2041993A - Lettering guide : en
  • FR798701A - New water soluble disazo dyes and their preparation process : en fr
  • GB447721A - Improvements in apparatus for drafting cotton slivers for the production of spun yarns : en
  • US2041945A - Shoe sewing machine : en
  • PL23050B1 - Connection pattern in automatic telephone devices. : en pl
  • US2042367A - Nonrefillable bottle : en
  • SU47047A1 - Receiving machine for a ribbon of sheet glass formed when glass mass is discharged through a horizontal slot in the side wall of the bathtub of the furnace : en ru
  • GB447982A - Improvements in or relating to cylinders for reciprocating pistons : en
  • US2041760A - Extensible elastic article : en
  • SU47157A1 - Reshetna sorting : en ru
  • SU47220A1 - Method of making hollow stones : en ru
  • US2041700A - Skiving machine : en
  • US2041972A - Conduit : en
  • DE630468C - Blow containers on sand blow molding machines : de en
  • US2041739A - Steering wheel : en
  • US2042413A - Solving, softening, and gelatinizing agents : en
  • AU2223035A - Heat-insulated receptacles : en
  • US2042445A - Brake : en
  • DK51689C - Bracket for holding the socket of the candle lamps in the candle holster. : da en
  • PL23078B1 - One-person school bench. : en pl
  • US2042435A - Treatment of titanium-bearing materials : en
  • US2042158A - Door : en
  • BE415010A - : en fr
  • SU46897A1 - Apparatus for concentrating sulfuric acid : en ru
  • CH184272A - Vacuum cleaner. : de en
  • SU46965A1 - Snow blower : en ru
  • US2042405A - Golf green sweep : en
  • DE630524C - Container provided with a protective cover made of chemically resistant material : de en
  • CH184302A - Process for the preparation of N-vinyl carbazole. : de en
  • CH184475A - Process for the preparation of a 3-aminoquinoline. : de en
  • SU47025A1 - Method of making casein glue mixed with artificial resin : en ru
  • SU47187A1 - Device for signaling excessive as well as insufficient air pressure in the chamber of a pneumatic tire : en ru
  • CA358163A - Scale : en fr
  • CH184400A - Discharge tube with variable opening. : de en
  • USRE19979E - Excavating dipper : en
  • US2042094A - Warning device for brakes : en
  • AT145764B - Expansion clamp. : de en
  • CA358159A - Welding apparatus : en fr
  • AT145751B - Arrangement for amplifying or stabilizing currents by means of negative resistors. : de en
  • SU47080A1 - The method of processing asbestos disks in order to give them strength : en ru
  • CA358106A - Fuel injection pump : en fr
  • GB447958A - Improvements in photo-electric sound pick-ups : en
  • AT145840B - Device for sampling a fabric tape. : de en
  • DE630450C - Device for evaporation of liquids : de en
  • GB447733A - Improvements in and relating to power driven vehicles : en
  • AT145761B - Procedure for starting and parallel connection of asynchronous generators. : de en
  • AT145767B - Electric discharge tube. : de en
  • DE630322C - Length measuring device for tissue : de en
  • DE630513C - Process for converting multi-phase current of a given frequency into single-phase current of lower frequency while avoiding direct current as an intermediate stage : de en
  • FR798742A - Film or film camera on reels with device for taking a series of pictures and photoelectric exposure meter : en fr
  • FR798943A - Printing numbering device : en fr
  • PL23143B1 - Device for removing obstacles in receiving systems for ultrashort waves. : en pl
  • SU47238A1 - Hanger for hanging fish while drying or smoking : en ru
  • SU47210A1 - Oil for asphalt concrete mixers : en ru
  • PL23139B1 - The circuitry supervisory device board. : en pl
  • SU46987A1 - Device for the periodic inclusion of the electric circuit : en ru
  • PL23148B1 - A board game. : en pl
  • US2041706A - Gaseous fuel burner : en
  • US2041813A - Method for aging lime putty : en
  • PL23093B1 - The method of isolating ammonium salts from their mixtures with other salts. : en pl
  • US2041689A - Dust remover for drills and the like : en
  • CA358080A - Olefine hydration : en fr
  • CH184476A - Process for the preparation of a substantive copper-containing azo dye. : de en
  • US2041986A - Fish pack and method of packing fish : en
  • AT145921B - Closing caps, in particular for tubes. : de en
  • USD99824S - Design fob a buckle : en
  • CH184387A - Induction motor with a disc-shaped stator with a ring winding. : de en
  • AT145918B - Lighting or heating device with fuel supplied under pressure. : de en
  • CA358162A - Arc welding apparatus : en fr
  • US2041704A - Steering handle : en
  • US2041904A - Grid construction : en
  • US2042002A - Flexible metallic closure : en
  • USD99810S - Design for a piano : en
  • PL23119B1 - A method of absorbing tobacco smoke tar in cigarettes. : en pl
  • SU47162A1 - Attachment to the film chamber for focusing on the frosted glass : en ru
  • US2041907A - Colored cellulose material : en
  • SU46903A1 - Apparatus for the release of phosphorus from the wet condensate of its vapor : en ru
  • SU47103A1 - Stationary vapor moisture meter : en ru
  • US2042414A - Process for preparing dimethoxydibenzanthrone : en
  • US2041865A - Multiple alloys : en
  • USD99818S - Design for a toy machine gun : en
  • CA358196A - Printing offset preventing method : en fr
  • AT145857B - Impact shredder. : de en
  • AT145972B - Device for reading angles. : de en
  • CA358110A - Stud fastener : en fr
  • CA358118A - Razor blade sharpener : en fr
  • CH184416A - Electric discharge tube. : de en
  • CH184468A - Cabinet or rack-shaped furniture. : de en
  • DE630272C - Glow tubes for overvoltage discharge : de en
  • DE630443C - Process for drying grain or other grainy or lumpy goods : de en
  • US2042189A - Hydrodynamic gear : en
  • PL23114B1 - T> 04 k%] $$ Extraction device with endless belts. : en pl
  • AT145867B - Vibrating screen. : de en
  • DE630511C - Process for the production of runners for electrical machines : de en
  • BE414863A - : en
  • CH184526A - Steam generator. : de en
  • CH184463A - Device for automatically increasing the braking effect of air pressure brakes at high driving speeds. : de en
  • PL23082B1 - A device for transferring the recoil to the rifle bed. : en pl
  • SU46924A1 - The method of obtaining pyramidone from antipyrine : en ru
  • US2042006A - Apparatus for treating liquids : en
  • USD99768S - Design fob a lamp shade : en
  • CH184363A - Tool and its tool holder. : en fr
  • SU46887A1 - Apparatus for catalytic reactions under pressure : en ru
  • US2042162A - Gaseous electric discharge device : en
  • AU100924B2 - Method of forming hollow glassware : en
  • CA358200A - Ski : en fr
  • US2041968A - Manufacture of rubber-reenforced waterlaid webs of fiber : en
  • US2042349A - Animal trap : en
  • AT145877B - Drive arrangement for the traction unit of motor trucks with two rotatable base units. : de en
  • CH184446A - Automatic tube closure, in particular for pharmaceutical purposes. : de en
  • CH184464A - Device for stopping railway trains. : de en
  • AT145968B - Primary element. : de en
  • SU46916A1 - Method for continuous production of chloroprene : en ru
  • SU46938A1 - Locking device for typewriters : en ru
  • CA358117A - Hydraulic piston : en fr
  • AT145752B - Device for producing a triangular current or such a voltage in a consumer. : de en
  • CH184381A - Steam generator with a cooling screen in the combustion chamber. : de en
  • CH184406A - Gas burner with automatic ignition device. : en fr
  • FR798730A - Products made from sponge or cellular rubber or similar material and process for manufacturing such products : en fr
  • FR798901A - Improvements to processes and apparatus for treating metals or metal objects : en fr
  • GB447987A - Improvements in cord grips for electrical appliances : en
  • AT145786B - Device for the visualization of color mixtures. : de en
  • CH184461A - Bicycle pedal. : de en
  • DE630458C - Device for hardening gears with twisted teeth : de en
  • SU46963A1 - Hydraulic car retarder : en ru
  • US2041866A - Multiple alloys : en
  • USD99833S - Design for an imitation : en
  • SU47199A1 - The method of dyeing with aniline dyes of various types of surfaces : en ru
  • US2042259A - Method of purifying aminoarsenobenzenes : en
  • USD99795S - Design fob a shoe : en
  • DE630286C - Bar gripper : de en
  • USRE19985E - Pattern controlled die-sinking : en
  • CA358207A - Thermometer : en fr
  • CH184221A - Outside window blinds. : de en
  • GB447876A - A process for the production of halogenated organic acids : en
  • GB447952A - Improvements in or relating to the manufacture of highly concentrated nitric acid : en
  • CH184404A - Photoelectric device. : de en
  • GB447868A - Improvements relating to letter boxes and receptacles for attachment to doors : en
  • GB447988A - Improvements relating to the manufacture of steel and other metal tubes : en
  • US2042041A - Composing and reproducing device : en
  • US2042286A - Fastener tape : en
  • US2042360A - Adhesive tape severing clip : en
  • US2042424A - Game : en
  • DE630570C - Electric train game : de en
  • AT145970B - Shortwave tube. : de en
  • CH184398A - Converter arrangement for the transmission of energy between any two electrical networks. : de en
  • CH184524A - Transportable planer. : de en
  • AT145998B - Mufflers for internal combustion engines. : de en
  • CH184441A - Traffic light column with reflectors. : de en
  • US2041702A - Condensation products of high molecular weight polyhydric alcohols and processes for making the same : en
  • US2041834A - Electric accumulator : en
  • US2042216A - Ball-check valve : en
  • US2042427A - Apparatus for use at low temperatures : en
  • AT145777B - Electric high pressure discharge tube for horizontal burning position. : de en
  • AT145801B - Bracket for padlocks. : de en
  • AT145841B - Process for the production of products with wrinkled, wrinkled or granular surface properties made of rubber and the like. like : de en
  • SU47203A1 - Garnett wire for take-up roller : en ru
  • SU46910A1 - The method of producing barium chloride and hydrogen sulfide : en ru
  • SU46904A1 - Method and apparatus for the isolation of phosphoric anhydride from hot gases : en ru
  • US2042105A - Movable electric receptacle : en
  • SU47132A1 - Method of growing aerobic bacteria (Azotobacter) : en ru
  • US2042056A - Process for sweetening sour petroleum oil and the revivification of the sweetening agent : en
  • CH184217A - Set of elements for the production of scaffolding, skeleton structures, frames for shop window displays, play building structures, etc. : de en
  • SU47177A1 - Mother's metallized balloon : en ru
  • US2041999A - Oil return system for deep well turbine pumps : en
  • US2042320A - Antenna : en
  • DE630547C - microscope : de en
  • CH184294A - Process for the extraction of heavy water. : de en
  • DE630550C - Device for operating internal combustion engines : de en
  • CH184528A - Socket for electric light bulbs. : de en
  • SU46868A1 - Layout machine, granitol, etc. on the closing tables : en ru
  • US2042126A - Electric incandescent lamp : en
  • US2042263A - Clamp : en
  • BE414864A - : en fr
  • AT145811B - Process for the production of homogeneous solutions of cellulose in sulfuric acid or in other acids or mixtures of acids and of rayon threads, films, ribbons and similar artificial products from these solutions. : de en
  • CA358071A - Garment supporter : en fr
  • US2041688A - Airplane construction : en
  • SU46961A1 - A device on a train equipped with a standard Matrosov brake and a driver’s crane No. 800 to maintain the braking forces on the train, with full service braking, regardless of train speed : en ru
  • SU46993A1 - Device for automatic control of reversing rolling mill or squeezing mill : en ru
  • PL23094B1 - Garbage truck. : en pl
  • SU46922A1 - The method of producing styrene : en ru
  • US2041922A - Fluid flow control system : en
  • AT145940B - Radiation transmitter or radiation receiver for electro-optical light barrier systems : de en
  • BE414258A - Improvements in automatic adjustment of variable physical characteristics : en fr
  • CA358179A - Gas burner : en fr
  • AT145830B - Process and device for refining rubber products. : de en
  • CH184254A - Kitchen sieve, in particular for hotel and institutional kitchens. : de en
  • SU47189A1 - Instrument for measuring the dose of syrup and dispensing it in a mixture with sparkling water : en ru
  • PL23136B1 - A fan device in the shaft of the smoke duct. : en pl
  • SU47161A1 - The method of obtaining strong acid for sulfite pulping : en ru
  • US2041791A - Aircraft : en
  • US2042444A - Classifier : en
  • DE630321C - Process for the preparation of anhydrous ethyl alcohol : de en
  • DE630365C - Chord gripping device for musical instruments : de en
  • DE630476C - Electric pickup or sound recorder : de en
  • FR798940A - Nitrogen compounds of the anthraquinone series and their preparation process : en fr
  • PL23149B1 - A method of producing a metal coating on metal objects having a desired shape and arrangement of crystals, and a device for carrying out this method. : en pl
  • CH184257A - Shoe painting brush. : de en
  • CH184497A - Process for producing a transparent, blue paint. : de en
  • CA358140A - Circuit breaker system : en fr
  • PL23074B1 - A method of producing liquid fuel with high vapor pressure. : en pl
  • US2042247A - Machine tool : en
  • AT145923B - Bicycle lamp holder. : de en
  • CH184213A - Process for the preparation of thixotropic, d. H. Copper oxychloride preparations for plant protection purposes that temporarily become liquid due to vibrations and a preparation produced by this process. : de en
  • SU47222A1 - A device for smelting bitumen and asphalt : en ru
  • US2041846A - Radio receiving system : en
  • CH184253A - Coffee machine with several storage containers. : de en
  • SU47128A1 - Surveying machine for surveying : en ru
  • US2041903A - Switch operating mechanism : en
  • US2041774A - Journal bearing protector : en
  • US2042297A - Door stop and holder : en
  • CA358184A - Ice bunker : en fr
  • CH184224A - Multi-walled chimney with attachment, for residential buildings. : de en
  • DE630433C - Lock, the double-armed change of which can be pivoted around a pin and is pivoted by the key via a cross slide located in the area of the key bit when the bolt is open : de en
  • CA358078A - Aliphatic acid concentration : en fr
  • CH184417A - Artificial replacement part for the inside of the human or animal body, in particular replacement chewing tools. : de en
  • SU46932A1 - The method of purification of pitch waters : en ru
  • SU47000A1 - The method of isolation of electric cars : en ru
  • US2042223A - Rearrangement of unsaturated halides : en
  • AT145976B - Device for setting the selectivity of radio sets. : de en
  • AT145989B - Device with electric discharge tube for very high frequencies. : de en
  • SU47118A1 - Instrument for determining the forces acting on boom cranes : en ru
  • SU47212A1 - The method of obtaining a hydraulic binder : en ru
  • US2042060A - Multicolor printing machine : en
  • AT145886B - Multi-axle trailer vehicle with medium support body. : de en
  • CA358160A - Electric seam welder : en fr
  • CH184504A - Process for the production of a transparent, blue-red lacquer. : de en
  • GB447701A - Improvements relating to casement stays and the like : en
  • GB447894A - Improvements in laboratory apparatus for use in distilling or evaporating operations : en
  • GB448503A - Improvements relating to cradles : en
  • GB447942A - Improvements in trouser presses : en
  • AT145890B - Stand-by sleeve for respiratory masks. : de en
  • SU46969A1 - Device for the supply of electrical energy to the mine locomotive : en ru
  • SU47051A1 - The method of obtaining safety glass : en ru
  • AT145888B - Automatic protection and signaling device, especially for railroad crossings and the like. like : de en
  • CH184344A - Frame for spring motors, particularly for talking machines. : en it
  • CH184483A - Process for the preparation of an azo dye. : de en
  • SU47240A1 - Device for preventing damage to double sluice gates by ship strikes : en ru
  • SU47120A1 - Balance counter and their diameter indicator : en ru
  • CA358075A - Acetaldehyde manufacture : en fr
  • CH184395A - Cathode ray tube. : de en
  • AT145763B - Automatic overcurrent or overtemperature switch. : de en
  • AT145831B - Cooling device for coffee. : de en
  • USD99829S - Design for a shoe : en
  • CH184374A - Speed controllers, in particular for hoisting machines. : de en
  • SU46914A1 - The method of preparation of one-manganese phosphate : en ru
  • US2042272A - Liquid conductor heater : en
  • FR798737A - Typewriter Improvements : en fr
  • GB447810A - A process of making cold-swelling starch : en
  • US2041997A - Liquid level responsive device : en
  • SU47044A1 - The method of preparing the labial fibers for cottonization or for short spraying : en ru
  • CH184384A - Freezer. : de en
  • AT145964B - Adjustment device for range finders or similar instruments. : de en
  • AT145983B - Toothpick. : de en
  • CH184435A - Radio receiver. : de en
  • CH184532A - Process for the preparation of a mixture of isomeric acyloctahydrofollicle hormones. : de en
  • GB447692A - Improvements relating to steam-boilers or water-heaters of the return-tube type : en
  • US2041915A - Method of joining tubes to headers : en
  • SU47232A1 - Machine for twist vic : en ru
  • US2042118A - Shuttle check : en
  • USD99796S - Design tor a back fob windshield : en
  • SU47017A1 - Method of making metal electrode coating for arc welding : en ru
  • US2041956A - Blank for forming channels : en
  • US2042000A - Typewriting machine : en
  • BE415064A - Improvement in vehicle control mode : en fr
  • DE630527C - Feeding device for several steam boilers fed by a piston pump always working at the same speed : de en
  • CH184472A - Process for the preparation of polymerisation products from vinyl ethers. : de en
  • PL23067B1 - A device for heating or cooling and ventilating closed spaces, especially vehicles. : en pl
  • GB448035A - Improvements in and relating to travelling bakers' ovens : en
  • CH184238A - Pipe interrupter for aeration of the clean water line to prevent impure liquids from being sucked back into the clean water line from appliances. : de en
  • GB447910A - Improvements in the production and/or finishing of screw threads by grinding : en
  • US2042012A - Method of manufacturing composite dies : en
  • US2041751A - Display stand : en
  • PL23128B1 - A device for supplying combustion air to air-cooled gas nozzles of internal combustion engines of motor vehicles, in particular to air-cooled gas nozzles of engines, located at the rear end of the car. : en pl
  • SU47030A1 - Method of making grease insulating paraffin grease : en ru
  • CH184424A - Process for the preparation of sterile, concentrated, aqueous solutions of the follicular hormone. : de en
  • BE414934A - : en
  • SU47069A1 - Mortar box : en ru
  • US2042215A - Electric toaster : en
  • CH184340A - Sliding valve for gas meter. : de en
  • US2041878A - Coin controlled apparatus : en
  • US2041785A - Coin selector and slug rejecter : en
  • CH184239A - Apparatus for scratching a sheet of glass with a view to cutting it by breaking. : en fr
  • FR798962A - Process for preventing corrosion of magnesium and magnesium alloys : en fr
  • PL23048B1 - Device for sucking liquids, especially milk and its liquid products. : en pl
  • SU47048A1 - The method of cleaning sand from iron compounds : en ru
  • SU47090A1 - Electric tachometer : en ru
  • US2042368A - Ice scoring machine : en
  • GB447773A - Manufacture of arsenobenzene-monosulphoxylates : en
  • US2041753A - Powder container : en
  • AT145775B - Electric high-pressure metal vapor discharge lamp with electromagnets influencing the discharge arc. : de en
  • PL23064B1 - A method for producing granular products from liquid materials and an apparatus for carrying out the method. : en pl
  • US2041983A - Internal combustion engine : en
  • US2041990A - Tire building machine : en
  • FR799049A - Improvements to pouring devices for teapots, coffee makers, jugs and the like : en fr
  • USD99789S - Design for a blouse : en
  • USD99783S - Design fob a flower holder or : en
  • US2042410A - Sulphonic acid bodies and process of making same : en
  • FR798881A - Improvements to rotary internal combustion engines and similar devices : en fr
  • GB448029A - Improvements in or relating to the distillation and carbonization of mixtures of oil with coal or similar carbonaceous material : en
  • FR798745A - Heating body and method for its preparation : en fr
  • GB447711A - Improvements in or relating to automatic grease-cups : en
  • GB447983A - Means for the reproduction of films : en
  • CH184545A - Control valve for air brakes. : de en
  • DE630415C - Compound crankshaft : de en
  • GB447813A - Improvements in and relating to methods and apparatus for detecting the presence of foreign solid, liquid and gaseous materials in gases : en
  • US2042088A - Drill shaft and bit adapted to be used with percussive drills : en
  • US2042173A - Coloring material for food fats and oils : en
  • SU47043A1 - Method of making dies : en ru
  • CH184540A - Process for the preparation of a mixture of quaternary ammonium compounds. : de en
  • US2042127A - Apparatus for the treatment of gases or vapors with liquids : en
  • USD99813S - Design fob bread toast : en
  • CA358155A - Cork improving process : en fr
  • CH184515A - Process for the production of a transparent, green paint. : de en
  • DE630493C - A pivoting of the wing around a vertical as well as a horizontal axis allowing fittings for windows, shutters, furniture doors and the like. like : de en
  • FR798726A - Improvements to pneumatic monitoring devices for machines working with threads, yarns or the like, in particular of textile materials : en fr
  • GB447796A - Improvements in woodworking machines : en
  • CH184208A - Rake. : de en
  • CA358137A - Control system : en fr
  • DE630297C - Single-spar aircraft wing : de en
  • SU46863A1 - Device for automatic pressure control required for the process in the distillation and distillation apparatus : en ru
  • SU47223A1 - Machine for cutting directly from the rock of the correct form : en ru
  • SU47153A1 - Electrolytic Copper Iron Method : en ru
  • SU47236A1 - Bunker : en ru
  • AT145908B - Road construction formwork rail. : de en
  • GB447688A - Improvements in or relating to electric circuit breakers of the push-operated type : en
  • DE630388C - Ferrari counter : de en
  • DE630529C - Device for expansion of a gaseous medium with external work performance, in particular for generating cold and liquefying gas : de en
  • DE630576C - Excavator for evenly covering the surface of garbage dumps built up in layers : de en
  • USD99790S - Design for a shoe : en
  • DE630439C - Thread take-off device for warp knitting machines : de en
  • DE630481C - Self-seller with a stack of goods : de en
  • US2041769A - Nitriding process : en
  • USD99835S - Design for a sandal : en
  • DE630526C - Process for the preparation of derivatives of higher alcohols : de en
  • GB448098A - Improvements in and relating to the manufacture of filaments and threads : en
  • FR799003A - Improvements to motor vehicle seats : en fr
  • US2042065A - Braiding machine : en
  • GB448015A - Method and means for the reproduction of films : en
  • DE630395C - Steam boiler for finely divided fuel, especially coal dust : de en
  • US2041771A - Balancing machine : en
  • USD99832S - Design for a scoop : en
  • FR799025A - Device for reducing the influence exerted on one another by the anodes of gas or vapor discharge devices and with adjustment screens : en fr
  • FR798882A - Brush with continuous feed for the application of all paints and varnishes, in particular to pass the red on the malons : en fr
  • FR798874A - Watertight bead to seal the joints of opening parts, in particular against the entry of asphyxiating or other gases : en fr
  • CH184500A - Process for the production of a transparent, red-violet lacquer. : de en
  • FR798750A - Process for producing hydrocarbons of interest from distillable carbonaceous materials : en fr
  • SU47145A1 - Pulley for circular grinding machine type "Fortune" : en ru
  • US2041738A - Steering wheel : en
  • US2042023A - Quaternary heterocyclic urea compounds and manufacture thereof : en
  • CH184369A - Device for preventing a relative axial displacement between an axis and a rotating body seated on the same. : de en
  • US2042418A - Refrigerated beverage dispensing apparatus : en
  • US2042174A - Testing apparatus : en
  • AT145844B - Device for making, cooling and freezing whipped cream. : de en
  • BE414862R - : fr
  • CA358068A - Suit hanger and press : en fr
  • GB448006A - Improvements in or relating to an excavating dipper and door therefor : en
  • FR798746A - Process for the manufacture of glues, primers, food products and thickeners with starch and starch-containing products : en fr
  • FR798845A - Process for intensifying and modifying, in crepe fabrics, the creping effect and resulting products : en fr
  • FR798718A - Improvements to door frames : en fr
  • US2042131A - Feed regulating device : en
  • US2042277A - Screen holder : en
  • DE630020C - Process for the preparation of lower alkyl esters of ª ‡ -Alkylacrylsaeuren : de en
  • SU47052A1 - A device for cutting and weighing bread : en ru
  • US2041749A - Grese gun rack : en
  • US2041808A - Silicon carbide refractory : en
  • US2041977A - Calculating machine : en
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  • AT145952B - Sewing machine for making a straight seam or a zigzag seam. : de en
  • FR798793A - Improvements to so-called roto-ellipsoidal pumps and compressors : en fr
  • GB447857A - Improvements in stoppers for bottles : en
  • US2041974A - Joined fibrous bodied article and method of producing same : en
  • DE630560C - Two-part drop center rim wheel, especially made of molded material with a tough insert : de en
  • BE415096A - : en fr
  • US2042210A - Composition tray : en
  • DE630298C - Easily detachable connection of cladding panels on aircraft : de en
  • US2042112A - Brake valve device : en
  • FR799044A - Process for the precipitation and recovery of substances in aqueous solutions : en fr
  • FR798833A - Improvements in the manufacture of artificial materials : en fr
  • US2041733A - Plastic composition : en
  • USRE19981E - Slot and slug for check controlled : en
  • US2041845A - Housing for combined sound and motion-picture projectors : en
  • GB447790A - Improvements in or relating to electric discharge devices : en
  • US2041734A - Loading machine : en
  • US2041838A - 1-(beta-hydroxyethylamino)-5-naphthol and process of preparing same : en
  • PL23102B1 - Sorting method, especially hard coal. : en pl
  • CH184517A - Process for the production of a transparent, red lacquer. : de en
  • SU47086A1 - Measuring chain for basic, polygonometric and similar works : en ru
  • US2041970A - Compressor valve and cage : en
  • PL23123B1 - The method of deposition of the holder on the arm of a bulb or cathode ray tube and the holder for such deposition. : en pl
  • SU47029A1 - Device for the regeneration of waste oils : en ru
  • US2041918A - Spinning and doubling machine : en
  • DE630436C - Pole hood for steel piles : de en
  • FR798883A - Auxiliary and compensation device for gasifiers using wood or charcoal gas, usable in particular on motor trucks : en fr
  • FR798938A - Improvements in relays : en fr
  • GB447798A - Improvements in or relating to folding lath shutters for doorways and the like : en
  • GB447820A - Apparatus for the detection of smoke for fire alarm purposes : en
  • FR799029A - Device for the remote filling and distribution of drinks and liquids of all kinds : en fr
  • US2041965A - Underfloor wiring conduit system : en
  • AT145910B - Sliding windows for vehicles. : de en
  • AT145985B - Artificial respiration device. : de en
  • US2041880A - Card for statistical machines and method for manufacturing said card : en
  • US2042019A - Process of preparing the reaction product of hydrated aluminum oxide and gluconic acid : en
  • US2041782A - Preparation of secondary amines : en
  • US2042377A - Paving of tennis courts and the like : en
  • DE630519C - Calculator for cash registers and accounting machines : de en
  • FR798914A - Improvements to elastic couplings : en fr
  • US2042166A - Pressure-tight bearing : en
  • US2041850A - Detachable hinge : en
  • SU46886A1 - Autoclave for treating nitrocellulose to reduce its viscosity : en ru
  • SU47081A1 - A device for the extraction of noble metals by amalgamation : en ru
  • GB447989A - A new or improved method and means of setting the tuft yarns used in looms for weaving axminster carpets : en
  • FR798839A - Durable matting process for textile fibers, and resulting products : en fr
  • SU47216A1 - Method for simultaneous production of hemihydrate and anhydrous gypsum from natural gypsum : en ru
  • US2042032A - Mounting of thermographs on sterilizers : en
  • US2042213A - Universal tool for gauging and measuring : en
  • PL23110B1 - The ceiling of iron girders and inserts, placed between the concrete covers of these girders, having a thickness equal to the thickness of the inserts. : en pl
  • SU47124A1 - Device to the plow for additional loosening of the formation : en ru
  • DE630456C - Intermittent absorption cooling apparatus : de en
  • AT145960B - Photoelectric exposure meter for focal plane shutter cameras. : de en
  • SU47028A1 - Oil breakdown device : en ru
  • US2041784A - Pouring spout for containers : en
  • AT145843B - Process for the production of thin-walled rubber goods. : de en
  • AU2267935A - Oil burning device : en
  • AU77626A - Molding flask and releasable mold retainer therefor : en
  • CA358148A - Part uniting method : en fr
  • CH184234A - Artificial stone slab and process for its manufacture. : de en
  • GB447908A - Improvements in internal combustion engines of the liquid-fuel injection compression-ignition type : en
  • SU47200A1 - Stencil holder : en ru
  • FR798775A - Loose-leaf binder : en fr
  • BE415283A - : en fr
  • CA358170A - Pipe fitting : en fr
  • GB447783A - Improvements relating to the production of transparent materials from benzyl cellulose : en
  • GB447973A - Process for the manufacture of polymerisation products of olefines : en
  • PL23090B1 - A method of obtaining gases containing sulfur dioxide from gypsum, with the simultaneous production of Portland cement. : en pl
  • SU46992A1 - Device for adjusting the tension of paper in rotary machines : en ru
  • SU47260A1 - Spool Machine for Sewing Machines : en ru