• US2268616A - Article of apparel : en
  • US2269178A - Frankfurter cooker : en
  • US2269392A - Process and apparatus for making gas : en
  • US2268971A - Process for removing fluorides from water : en
  • CA401960A - Calculating and accounting machine : en fr
  • CA402035A - High frequency inductance coil : en fr
  • CA401993A - Photographic apparatus : en fr
  • CA402022A - Thermionic valve circuit : en fr
  • DE715824C - Bed place for children : de en
  • GB542392A - Improvements in mechanism for feeding cartridges to automatic guns : en
  • US2268704A - Electric cable : en
  • US2269219A - Method of making soldered electrical connections : en
  • CA401963A - Brake mechanism : en fr
  • US2269013A - Collapsible carrying container : en
  • DK59372C - Magasing gramophone for records of different sizes. : da en
  • US2269372A - Push-out fuse : en
  • AU114466B2 - Improvements in microphones : en
  • GB542431A - Improvements in hollow spindle chucks : en
  • US2268844A - Steerable antenna system : en
  • US2269084A - Internal combustion engine : en
  • US2269273A - Apparatus for predrying of waste fuel in furnaces : en
  • US2268816A - Apparatus for preparing phosphatic fertilizers : en
  • US2269231A - Rock or mineral wool manufacture : en
  • US2269198A - End protector : en
  • CA402116A - Drying oil : en fr
  • GB542403A - Manufacture of hydroxymethylene-malonitrile and derivatives thereof : en
  • US2268573A - Rock drill : en
  • US2268584A - Ornamenting machine : en
  • US2269102A - Refrigeration : en
  • US2269044A - Truss : en
  • DE715660C - Device for regulating the compressed air supply to the compressed air consumers in mining operations : de en
  • US2268861A - Process and apparatus for preheating : en
  • FR868524A - Combustion engine with pistons arranged in a star and working in opposition : en fr
  • DE715815C - Process for the production of tetrahydrofurans : de en
  • AU433940A - Improvements in and relating to magnesium alloys : en
  • DE715799C - Method and device for cutting endless thread bands, in particular endless synthetic thread bands : de en
  • GB542424A - Improvements in secret telephony and the like by radio : en
  • GB542433A - Improvements in or relating to the sealing of electrical conductors into envelopes of quartz or the like : en
  • CA402094A - Casting material delivery apparatus : en fr
  • CA401931A - Hat : en fr
  • CA402010A - Door latch : en fr
  • CA402077A - Polymerizable substance processing : en fr
  • DE715920C - Hydraulic drive device, especially for brakes and. like : de en
  • FR868608A - Electromagnetically actuated leaf clutch applicable in particular to automotive transmissions : en fr
  • AU432340A - Improvements in or relating to carrier telephone and signalling systems : en
  • CA402100A - Railway car door : en fr
  • US2268580A - Ax handle protector : en
  • US2268604A - Arc starting electrode : en
  • US2269344A - Self-adjusting cultivating attachment for tractors : en
  • GB542398A - Improvements relating to vertical retorts for the carbonisation of coal and the like : en
  • US2269235A - Multistage elastic fluid turbine : en
  • US2269272A - Insecticide : en
  • US2269122A - Contact : en
  • US2269279A - Carbureting and ignition system : en
  • US2269364A - Collapsible structure : en
  • DE715775C - Device for debarking round wood : de en
  • GB542386A - Process for the production of fast pigment prints with protein products on fabric material : en
  • USD131002S - Design for a fish lure : en
  • US2269185A - Method of forming coil insulation : en
  • US2268725A - Valve : en
  • US2269333A - Fuel burner : en
  • DE715685C - Plasticizing process for butadiene polymers : de en
  • DE715722C - Electric mercury vapor tube or lamp with a phosphor layer and process for producing the phosphor layer : de en
  • DE715991C - High-speed cylinder press for producing embossing : de en
  • US2268731A - Lighting fixture : en
  • US2269071A - Horn control system : en
  • DE715950C - Leaching container for tea and other aromatic stimulants : de en
  • US2269038A - Temperature-indicating instrumentality : en
  • DE715690C - Device for damping the vibrations of rotating waves : de en
  • GB542450A - Improvements in and in the manufacture of tubular metal lengths : en
  • CA402025A - Electron lens : en fr
  • USD131036S - Design for a knitted textile fabric : en
  • US2269415A - Abrasive article and method of making the same : en
  • CA402014A - Rubber covered roll : en fr
  • US2269336A - Low temperature coal tar derivative insecticide, fungicide, and the like, and process of making the same : en
  • US2269021A - Parking meter : en
  • DE715644C - Evaporator with hollow plate-shaped heating elements : de en
  • DE715675C - Arrangement to increase the stability of the cooperation of synchronous machines connected to one another via high-voltage transmission lines : de en
  • US2268720A - Covered container with cover fastening means : en
  • US2268856A - Method of and apparatus for cutting blanks from sheet material : en
  • GB542317A - Preparations comprising aluminium hydroxide : en
  • DE715986C - Process for the production of calcium aluminate cement : de en
  • DE715633C - Process for treating rubber : de en
  • DE715803C - Hair and skin care product containing lecithin : de en
  • GB542328A - Improvements relating to automatic charging arrangements of electric storage batteries : en
  • GB542432A - A method of enlarging and softening sponge rubber and the products obtained thereby : en
  • DE715761C - Process for the production of melamine : de en
  • US2268965A - Method of molding reinforced building panels : en
  • US2269382A - Hydraulic actuated governor control : en
  • DE715907C - Process for graining superphosphate : de en
  • DE715983C - Wall bushing for electrical lines on the fire bulkhead of aircraft : de en
  • DE715889C - Interrupter for ignition devices of internal combustion engines : de en
  • GB542430A - Improvements in drilling machines : en
  • DE675455C - Cigarette tamping device : de en
  • DE715843C - Process for the production of curled textile threads : de en
  • DE715954C - Shake test stand with adjustable amplitude and number of vibrations : de en
  • CA401969A - Conveyer guide rail : en fr
  • DE715979C - High current rectifier system : de en
  • US2269390A - Cross slide for lathes : en
  • US2269394A - Electric lighter for cigars, cigarettes, etc. : en
  • GB542353A - Improvements relating to the catalytic cracking of petroleum oils : en
  • US2268824A - Mechanism for cutting and looping springs : en
  • US2269012A - Individual stall system for cow milking : en
  • DE715842C - Device for steaming, in particular printed fabrics : de en
  • FR868542A - Gas dispenser for explosive engines : en fr
  • CA401935A - Hernia pad : en fr
  • CA401951A - Vending machine : en fr
  • CA401992A - Coating composition : en fr
  • DE715656C - Transverse drive body with devices for influencing the transverse drive by blowing out air : de en
  • US2269223A - Nipple : en
  • US2269156A - Lead-in seal : en
  • CA402050A - Plastic material extrusion device : en fr
  • DE715862C - Vibration dampers, especially for aircraft components : de en
  • US2268942A - Door check : en
  • US2269361A - Code calling system : en
  • USD131025S - Design fob a conduit ob similab article : en
  • GB542413A - Treatment of textile materials : en
  • DE715792C - Spindle drive for spinning, twisting, winding and similar textile machines : de en
  • DE715909C - Pulling and pushing device according to patent 627470, especially for railway vehicles : de en
  • US2268817A - Flatiron : en
  • CA401946A - Ski binding : en fr
  • DK59366C - Power supply connection for Radio receivers. : da en
  • US2268985A - Method and apparatus for drying printing ink : en
  • FR868625A - Hand-held sprayer for spraying paint or similar liquids : en fr
  • AU276840A - Coupling ofan eneragising stage toa modulating stage by an impedance inverting network : en
  • DE715806C - Drum heater : de en
  • DE715879C - Circuit to compensate for the anode voltage fluctuations that occur during the operation of intensity-controlled cathode ray tubes : de en
  • DE715952C - Process for influencing the elastic properties of workpieces made of zinc and its alloys : de en
  • US2268614A - Can end assembling machine : en
  • US2268789A - Combination water and room heater : en
  • DE715664C - Process for the preparation of diacetyl : de en
  • US2269401A - Lens mount for photographic cameras : en
  • US2268852A - Pneumatic tube carrier : en
  • US2269175A - Elastic fluid turbine : en
  • FR868568A - composite construction elements, working in bending for airplanes, etc., in particular side members or beams : en fr
  • US2268860A - Limestone pulverizer : en
  • US2269262A - Brake : en
  • GB542314A - Improvements in or relating to hydraulic fluids : en
  • DE715742C - Folding boat with a roll-up frame : de en
  • GB542372A - Improvements in or relating to sliding friction bearings : en
  • US2269128A - Lamp shade : en
  • US2268875A - Resonance chamber for pianos : en
  • GB542346A - Improvements in and relating to shoes and boots : en
  • CA402026A - Electron multiplying electrode : en fr
  • US2268936A - Azo dyestuffs and their manufacture : en
  • FR868596A - Rennet manufacturing process : en fr
  • US2268569A - Material loading apparatus : en
  • US2268964A - Fire extinguisher : en
  • GB542342A - Improvements in contacts for electric switches : en
  • US2268629A - Hair clasp : en
  • US2268688A - Sanitary cube sugar dispenser : en
  • US2269121A - Shedding mechanism : en
  • CA401921A - Course indicating apparatus for vehicles : en fr
  • CA402093A - Dental equipment stand : en fr
  • US2268575A - Lubrication : en
  • US2268715A - Method of reconditioning rock drill bits : en
  • US2269034A - Broadcast switching system : en
  • US2269255A - Countersink : en
  • US2268610A - Apparatus for preventing curl of envelope flaps : en
  • FR868610A - Control device for compressed fluid brakes : en fr
  • US2268874A - Shoe press : en
  • USD131038S - Design fob a shoe heel : en
  • US2268607A - Water conditioning apparatus : en
  • US2269108A - Telephone ringer : en
  • FR868648A - Glass bulb for discharge tubes : en fr
  • DE715654C - Multilayer photosensitive material for photographic reflective images : de en
  • DE715762C - Die setting and line casting machine with die rods and long-wedge spaces suspended from wires in a circuit, matrix rods and long-wedge spaces : de en
  • FR868573A - Improved process for manufacturing rubber-like products from elastogenic substances : en fr
  • DE715727C - Protective housing for arc welding : de en
  • US2268603A - Regenerative gas heater : en
  • US2268613A - Can body making machine : en
  • GB542388A - Improvements in couplings for effecting quick engagement and release : en
  • GB542452A - Wave transmission networks : en
  • US2268609A - Glassware lehr : en
  • DE715669C - Loading vessel for ovens, especially for electric arc furnaces : de en
  • US2269093A - Method and apparatus for handling skelp : en
  • US2268905A - Production of solid chilled edible products : en
  • US2268907A - Prefabricated building structure : en
  • US2269323A - Cigarette holder : en
  • US2268912A - Time delay mechanism : en
  • US2269169A - Process for coating supports : en
  • USD130992S - Design for a liquid dispensing unit : en
  • US2268726A - Floc concentration tank : en
  • DE715680C - Method and form for producing glass plates etc. with a mirror-like surface on one side that has the original fire polish : de en
  • US2268618A - Polymerization of hydrocarbons : en
  • US2269067A - Record keeping apparatus : en
  • US2269410A - Electrically operated machine gun apparatus : en
  • DE715639C - Wheel bearing : de en
  • DE715779C - Device for noise dampening : de en
  • DE715797C - Oil switch with arc extinguishing by oil flow : de en
  • US2268818A - Stocking with means for improving the elasticity, and process of producing the same : en
  • AT160770B - Altimeters, in particular for aircraft. : de en
  • US2268833A - Pressing machine pad : en
  • US2269320A - Retractable tool holder : en
  • DE715780C - Device for cutting off the wall of pipe ends : de en
  • FR868630A - Hand-held machine tool, motive power : en fr
  • FR868517A - Support sleeves for rotary spindles of machine tools : en fr
  • US2269211A - Outlet box support : en
  • US2269252A - Luggage tray : en
  • US2268551A - Ice cream reerigerator : en
  • US2269149A - Permanent magnet : en
  • DE715973C - Electric hammer : de en
  • DE715777C - Device for feeding fish : de en
  • IE16608L - 2-ketogluconic acid : en
  • DE715714C - Electrically operated toy vehicles, in particular electric toy trains : de en
  • US2268589A - Method of producing vitreous silica articles : en
  • US2268996A - Clothesline reel : en
  • CA401953A - Loom mechanism : en fr
  • US2268585A - Ornamenting machine : en
  • DE715317C - Flanged roller with interchangeable rollers : de en
  • DE715897C - Synchronization control device, especially for multi-screw marine power plants : de en
  • US2269256A - Gun game : en
  • US2269254A - Machine for manufacturing egg pulp : en
  • DE715951C - Hot water heating system : de en
  • FR868629A - Impact drill with cleaning fan : en fr
  • GB542352A - Improvements in time-controlled switching and tuning arrangements for radio receivers : en
  • DE715681C - Crank attachment for house and kitchen machines : de en
  • GB542318A - Improvements in light sensitive apparatus : en
  • GB542445A - Improvements in or relating to machines for folding fabric and other flat limp articles : en
  • US2268639A - Ultrahigh frequency radio device : en
  • CA402122A - Cellulose derivative : en fr
  • US2268842A - Furniture : en
  • US2269298A - Potato digging machine : en
  • USD131029S - Design for a tool case : en
  • US2269139A - Process for producing improved titanium pigments : en
  • US2269202A - Vent lift : en
  • US2268881A - Automobile luggage carrier : en
  • US2269321A - Twill weave fabric : en
  • FR868546A - Acetylene generator : en fr
  • FR868574A - Process for the preparation or treatment of food, drink, etc. : en fr
  • DE715827C - Split race for ball bearings, roller bearings or the like. : de en
  • DE715937C - Small self switch : de en
  • DE715837C - Device for additionally turning a fuse when placing it in a rotating pot : de en
  • GB542339A - Means for connecting filter cartridges : en
  • FR868604A - Airplane Wheel Hydraulic Shoe Brake Brake Device : en fr
  • FR868563A - Rib knitted fabric and method of making it : en fr
  • US2268555A - Hatmaking machine : en
  • US2268560A - Vapor generator : en
  • US2269005A - Holder for markers or razor blades : en
  • GB542422A - Improvements in aircraft : en
  • FR868510A - Process for removing carbonic acid from gas mixtures containing it : en fr
  • US2268595A - Printing ink : en
  • DE715634C - Process for the production of high molecular weight products : de en
  • US2269285A - Strap joint : en
  • US2269003A - Pneumatic tire tube : en
  • US2269076A - Spark plug : en
  • DE715899C - Handgun with superimposed barrels and vertical block lock : de en
  • DE715766C - Contact for interruption devices : de en
  • DE715710C - Electromagnetic light control device, especially for sound film purposes : de en
  • FR868593A - Improved method and apparatus for the production of sheets or webs of glass silk : en fr
  • US2268849A - Method of uniting materials : en
  • US2269280A - Air conditioning system : en
  • DE715636C - Rust fungus repellant : de en
  • GB542461A - Improvements in or relating to electric timing devices : en
  • FR868538A - High rotational speed gas purifier for supercharging gasifier engines or similar devices : en fr
  • US2268911A - Time delay reclosing fuse mechanism : en
  • US2269403A - Piezoelectric unit : en
  • US2269306A - Crusher : en
  • GB542323A - Improvements in cloth guiding devices : en
  • US2268758A - Surveying instrument : en
  • US2268647A - Composition and process for the treatment of sewage and waste material and sludges therefrom : en
  • DE715630C - Aluminum saucepan with a base reinforced with pressed-on supports : de en
  • DE715725C - Device for lighting solid fuels : de en
  • GB542416A - Improvements in multiple rope variable speed pulley transmission gear : en
  • DE720224C - Process for the production of water-soluble alkali salts of halogenated organometallic chlorophyll offshoots : de en
  • US2268947A - Phenol modified esters : en
  • US2269129A - Application of fluorescent material to electron tubes : en
  • US2269022A - Telephone system : en
  • DE715989C - Process for the preparation of dicarboxylic acid amides : de en
  • FR868620A - Cooled injector valve : en fr
  • FR868605A - Shoe adjustment device for double-shoe brake, in particular for servo-brake : en fr
  • DE715716C - Process for biological wastewater treatment : de en
  • DE715774C - Ring-shaped holder with handle for drinking vessels : de en
  • DE715820C - Process for the production of Kuepen dyes : de en
  • DE715880C - Flexible, electric heaters, in particular heating pads : de en
  • IT391284B - : it
  • FR868638A - Electric current input for capacitors and similar devices : en fr
  • US2268619A - Radio receiving apparatus : en
  • DE715821C - Process for the production of injectable, expectorant extracts from rye germs : de en
  • US2268793A - Truck : en
  • US2268887A - Centering device for pay-off reels : en
  • US2268586A - Preparation of polyamides : en
  • US2269317A - Folding clothes rack : en
  • DE715702C - Whisker : de en
  • DE715814C - Process for the continuous pressing of fiber webs, in particular textile fibers : de en
  • US2268768A - Food receptacle for children : en
  • US2268951A - Artificial hand : en
  • US2269009A - Rotary centrifugal pressure producing device : en
  • US2269217A - Mixed polyvinyl acetal resin : en
  • USD131035S - Design for a knitted textile fabric : en
  • DE715749C - Self-seller for gas, electricity or the like. : de en
  • US2269148A - Folding camera : en
  • US2268862A - Vertical conveyer : en
  • CA401927A - Clock controlled switch : en fr
  • FR868640A - Receiver mounting : en fr
  • GB542330A - Improvements in or relating to the recovery of precious metals lost during the catalytic conversion of gases : en
  • GB542410A - Improvements in method of production of powdered alloys or carbides : en
  • FR868516A - Control of auxiliary devices for aircraft engines : en fr
  • US2268588A - Furnace, particularly adapted for producing ferric oxide from ferrous sulphate : en
  • US2268666A - Method of sealing glass and ceramic material together : en
  • US2268855A - Lawn sprinkling apparatus : en
  • FR868543A - Carburetor for internal combustion engines powered by compressed gases: lighting gas, hydrogen, acetylene, etc. : en fr
  • US2268593A - Quick-setting printing ink : en
  • GB542426A - Improved manufacture of castings high in zirconia : en
  • GB542375A - Improvements in pressure gas generators comprising internal combustion engines and air compressors driven thereby : en
  • US2268673A - Method of coating fragile metal foils : en
  • US2268764A - Hydraulic control : en
  • AU1334344A - Fuel Containers : en
  • CA401949A - Rocky material breaking down and dislodging apparatus : en fr
  • GB542378A - Improvements in machines for filling bottles and like containers : en
  • CA402120A - Cellulosic thread, etc. : en fr
  • US2269158A - Color photography : en
  • GR9740B - KITCHEN AND REFRIGERATOR APPLIANCE. : el en
  • US2268781A - Bathing garment : en
  • US2269109A - Concrete placement apparatus : en
  • USD131053S - Design for a mitten : en
  • DE715957C - Method for producing an imitation Haekel tooth edging on lockstitch zigzag sewing machines : de en
  • FR868635A - High Frequency Iron Core Coil : en fr
  • US2268838A - Process for making wheels : en
  • DK59379C - Method of Making Bituminous Compositions with Increased Adhesion. : da en
  • US2268808A - Recording device : en
  • US2268896A - Automatic conveyer mechanism : en
  • FR868525A - Process for disintegrating a raw material with a view to obtaining a spinning solution : en fr
  • GB542334A - Improvements relating to rotary fluid pumps : en
  • CA401928A - Washing machine : en fr
  • DE715801C - Method and device for loosening post-treated and dried synthetic fiber tapes : de en
  • FR868545A - Mixed gas and steam generator : en fr
  • GB542321A - Improvements in the electro-dynamic transmission of power incorporating a flywheel effect : en
  • US2268765A - Method and means for securing upholstery material : en
  • US2268698A - Weighing scale : en
  • US2269236A - Method and device for controlling the heat supply in cellulose driers : en
  • US2269074A - Sound recording system : en
  • USD131005S - Design for a glove or similar article : en
  • DE715982C - Process for the production of a seam for connecting fabric parts with edging and a seam according to the process : de en
  • GB542453A - Improvements in servomotor control valves : en
  • CA401948A - Radiator : en fr
  • US2269132A - Clamping sleeve : en
  • DK59376C - Agricultural wagon. : da en
  • DE715329C - Method and apparatus for freezing liquid or pourable or kneadable frozen goods : de en
  • DE715994C - Shift levers, buttons, handles made of plastic for switches in the telecommunications system : de en
  • US2268703A - Process for making blanks : en
  • US2269343A - Kit and the like : en
  • US2269136A - Resistance device and process for making same : en
  • CA402047A - Recording device : en fr
  • US2268779A - Method for the recovery of metallic magnesium from mixtures of elemental magnesium and carbon monoxide, produced by the carboniferous reduction, at high temperatures, of magnesium oxide : en
  • DE715943C - Electric lamp operated with compressed air, especially for mining operations : de en
  • CA401988A - Ultra-short wave device : en fr
  • CA402126A - Glass plate hardening oven : en fr
  • US2268675A - Electric toaster : en
  • US2269222A - Railway traffic controlling apparatus : en
  • AU114476B2 - Aeroplane bomb : en
  • CA401985A - Magnetic core : en fr
  • US2269070A - Horn control system : en
  • US2269004A - Holding and releasing mechanism for railroad hand brakes : en
  • CA401991A - Frequency multiplier : en fr
  • US2268579A - Gauge : en
  • US2268827A - Logrolling game device : en
  • US2269066A - Cigarette dispenser : en
  • US2269082A - Electric discharge vessel : en
  • US2269141A - Communication system : en
  • US2269381A - Work-holding vise : en
  • US2268876A - Glue dispenser : en
  • US2268940A - Electric contacting element : en
  • US2269327A - Electric parking meter : en
  • DE715640C - Process for the treatment of light metal surfaces : de en
  • GB542397A - An improved method of joining electric cables : en
  • FR868612A - Installation of injection pumps for internal combustion engines : en fr
  • US2269268A - Brake : en
  • US2268800A - Automobile parking apparatus : en
  • US2268812A - Program distribution system : en
  • DE715865C - Device for making loose heels with boot irons : de en
  • CA401968A - Eye testing instrument : en fr
  • CA402045A - Tabulating machine : en fr
  • DE715855C - Purification device for burnt-out grates from pulverized coal furnaces : de en
  • CA402082A - Flexible coupling : en fr
  • FR868555A - Filter for gasifier : en fr
  • DE715968C - Unloading pocket for ski conveyor systems : de en
  • DE715886C - Chopping machine : de en
  • DE715988C - Process for heating mixtures of coals, which are then to be hydrogenated under pressure, with oils, tars or coal extracts : de en
  • USD131020S - Design fob a potato chopper : en
  • AT160747B - Steam generator. : de en
  • CA401930A - Paper corner mount : en fr
  • CA401978A - Propeller drive : en fr
  • DK59364C - Connecting device for Telephone systems with Main and Sub-exchanges. : da en
  • AU114414B2 - Improvements relating to electrolytic condensers : en
  • AU114437B2 - Improvements in and relating to magnesium alloys : en
  • US2269267A - Phonograph record : en
  • US2269061A - Dental articulator : en
  • US2269312A - Optician's measuring instrument : en
  • US2268813A - Hum reduction carrier system : en
  • FR868519A - Electrical oscillation amplifier assembly : en fr
  • DE715651C - Method and device for the mechanical recording of sound vibrations : de en
  • DE715772C - Device for heating and subsequent cooling (quenching) of glass sheets : de en
  • DE715785C - Hydraulic drive for pivoting aircraft parts, e.g. B. retractable landing gears or control surfaces : de en
  • GB542358A - Bipolar electrolysers : en
  • CA402053A - Damming device : en fr
  • USD130989S - Design for a sand urn : en
  • DE715817C - Rectifier circuit for ultra-short waves : de en
  • DE715903C - Device on wide looms for correct, straight re-adjustment of the web : de en
  • GB542457A - Improvements in freezing trays : en
  • US2268752A - Sound film recording : en
  • US2268922A - Automatic control for trolley frogs : en
  • US2269281A - Power unit : en
  • USD131032S - Design for a cot or analogous article : en
  • GB542363A - Improvements in or relating to the manufacture of graphite electrodes : en
  • US2268917A - Drawer for articles of furniture : en
  • GB542396A - Grinding wheel : en
  • US2269043A - Counter : en
  • USD131008S - Carrying case for a stove or similar article : en
  • DE715747C - Process for the production of organic sulfur compounds : de en
  • GB542335A - Improvements in or relating to shock-absorbing devices : en
  • US2268828A - Tape-controlling means : en
  • USRE21993E - cunningham : en
  • US2268772A - Method of making ring travelers : en
  • US2269205A - Air cooling apparatus : en
  • US2268967A - Footwear : en
  • GB542348A - Improvements relating to magnetic sound recording : en
  • FR868552A - Safety glasses : en fr
  • GB542355A - An improved mat or screen for protection against aerial bombardment, explosions or moving debris : en
  • US2269183A - Cut film back for cameras : en
  • US2269299A - Winding apparatus : en
  • DE715877C - AC relay for use in conjunction with modulated carrier currents : de en
  • US2268606A - Release mechanism for fluid brake systems : en
  • US2268866A - Apparatus for laying up thread : en
  • US2269395A - Refrigeration control apparatus : en
  • US2268640A - Rotary beam antenna : en
  • DE715695C - Film length registration device for cinema cameras : de en
  • DE715731C - Device for holding cranes or the like. : de en
  • GB542387A - Process for the production of glucose : en
  • US2269371A - Food dispenser : en
  • DE715661C - Clamping device for filing unperforated documents, drawings, etc. Like. In letter folders : de en
  • US2268867A - Typewriting machine : en
  • DE715795C - System consisting of several electrolytic decomposers connected in parallel : de en
  • DE715733C - Process for the production of foils and tapes from organic thermoplastic masses : de en
  • GB542436A - Improvements in arrangements for controlling the transfer of signals, particularly applicable to television : en
  • US2268630A - Color photography : en
  • DE715926C - Process for the production of electrically insulating and gas-tight bodies from aluminum oxide : de en
  • GB542451A - Improvements in electric valve control circuits : en
  • FR868631A - Tool holder for percussion device : en fr
  • GB542331A - Improvements in or relating to adhesive compositions : en
  • US2269385A - Load equalizing device : en
  • US2269352A - Woodcutting machine : en
  • US2269379A - Teletypewriter switching system : en
  • FR868501A - Electrode current inputs for glass electron tubes : en fr
  • US2269014A - Batch meter : en
  • US2269039A - Package of interfolded paper sheets and dispensing wrapper therefor : en
  • USD131040S - Design for an ophthalmic mounting : en
  • US2268990A - Secondary and tertiary 3-amino-methyl-polyhydroxy-phthalides : en
  • US2268709A - Process of making soles : en
  • US2269095A - Game : en
  • DE715739C - Switching device in connection with adjusting struts used to move aircraft components : de en
  • FR868636A - Device for generating synchronization pulses in television applications : en fr
  • DE715754C - Holding device for rock drills with compressed air feed cylinder fixed in a pilot hole : de en
  • GB542359A - Improvements in and connected with structures, such as huts and the like : en
  • DE715659C - Iron pit stamp : de en
  • US2268596A - Dispensing apparatus : en
  • US2268888A - Manufacture of fused chemical pellets : en
  • US2268605A - Friction brake : en
  • US2269295A - Compressed band telephony : en
  • US2269310A - Display device : en
  • AT160765B - Apparatus for practice shooting from all kinds of steep line guns, such as mine throwers, grenade throwers or the like. : de en
  • CA402080A - Printing telegraph apparatus : en fr
  • CA401965A - Stabilized insecticide : en fr
  • US2268788A - Method of operating wax filters : en
  • DE715696C - Method and device for producing photographic wedges, in particular with ultra-short time exposure : de en
  • US2268566A - Mold for producing composite metal stock : en
  • US2268933A - Micrometric line spacer mechanism for typewriters : en
  • DE715939C - Device for displaying impermissible overloading of conductors through which alternating current flows : de en
  • USD131006S - Lady s evening glove or similar article : en
  • US2268711A - Apparatus for controlling heating systems : en
  • GB542322A - Improvements in combined lamp and radio receiving sets : en
  • DE715805C - Device for removing non-ferrous metals from iron clad therewith : de en
  • US2268684A - Rattle : en
  • US2269248A - Control device for burners : en
  • GB542435A - Ball-bearing for the balance-staff of time indicators : en
  • US2268754A - Derivatives of 4,4'-diaminodiphenyl sulphone : en
  • US2268937A - Ejecting means for cap forming machines : en
  • US2268646A - Amusement device : en
  • US2269214A - Shoe binding and the like : en
  • US2269092A - Container : en
  • GB542390A - Improvements in or relating to electron discharge apparatus : en
  • DE715828C - Ball joint : de en
  • DE715836C - Device for multiple automatic spraying of workpieces : de en
  • DE715750C - Pre-chamber diesel engine : de en
  • DE715818C - High-voltage switchgear with disconnectors resting on a common support frame : de en
  • FR868560A - Process for making doll eyes : en fr
  • DE715486C - Isolation vessel for liquefied gases : de en
  • DE715929C - Process for the esterification of cellulose with organic acids while maintaining the fiber structure : de en
  • DE715938C - Display device for overcurrent switch : de en
  • DE715854C - Method of cleaning the surfaces of stones, especially of architectural monuments : de en
  • US2268981A - Die : en
  • DE715812C - Process for the production of a cold-installable paving compound for roads or the like. : de en
  • DE715859C - Device for hanging up artificial guts while drying : de en
  • DE715864C - For the wing of a propeller intended support piece : de en
  • FR868641A - Mounting device for silent amplification of decimeter or centimeter waves : en fr
  • DE715863C - Device for locking aircraft rudders or flaps : de en
  • GB542427A - Improvements in and relating to heating systems for aircraft and the like : en
  • US2268554A - Winding : en
  • US2268643A - Frequency modulation distance finder : en
  • US2268654A - Means for marking lenses and similar articles : en
  • US2269258A - Target rifle range : en
  • US2268821A - Ash tray : en
  • US2269171A - Electric switch : en
  • DE715825C - Polymerization of butadiene : de en
  • US2269314A - Electrical connector : en
  • CA402119A - Toy : en fr
  • DE715569C - Sliding platform for ambulances mounted on rollers and guided in rails to prevent lifting : de en
  • CA401937A - Tubing resilient coupling : en fr
  • US2268774A - Bicycle lamp support : en
  • US2268870A - Ornamental lighting system : en
  • US2268899A - Time delay reclosing fuse mechanism : en
  • US2269094A - Method of and apparatus for making lead oxide powder : en
  • CA402002A - Lantern slide frame : en fr
  • CA402062A - Filter system for multiple channel amplifiers : en fr
  • AU441540A - Improvements in microphones : en
  • US2269054A - Brake mechanism : en
  • DE715980C - Lift and lower circuit for DC motors : de en
  • CA402090A - Thin wall tube for heat exchangers : en fr
  • CA401923A - Glove : en fr
  • US2269037A - Ophthalmic mounting : en
  • CA401987A - Electric coil : en fr
  • CA402084A - Speed responsive device : en fr
  • AT160748B - Method for the improvement of casein fibers. : de en
  • CA401924A - Metal casting forming process : en fr
  • US2268815A - Welding equipment : en
  • US2268927A - Display rack : en
  • US2268710A - Wall paneling : en
  • US2268783A - Indicating apparatus : en
  • US2268694A - Grinding machine : en
  • US2268902A - Process for recovery of sucrose from impure sucrose solutions : en
  • DE715933C - Phase equalizing quadrupole : de en
  • US2269131A - Detonation suppressor for internal combustion engines : en
  • CA402101A - Windshield wiper mechanism : en fr
  • CA402037A - Harvester grain pan : en fr
  • AT160759B - High quality plain bearings. : de en
  • AU114482B2 - Improvements in or relating to fluxes for use inthe treatment of light metal : en
  • CA402049A - Workman's time recorder : en fr
  • US2269337A - Thermoelectric generator and burner therefor : en
  • CA402087A - Reaction temperature controlling process : en fr
  • CA402105A - Storm sash : en fr
  • US2268697A - Fuel tank : en
  • US2269180A - Thermostatic controlled furnace damper : en
  • CA401934A - Hockey stick : en fr
  • CA401971A - Vacuum container : en fr
  • FR868511A - Connection for auxiliary equipment in high voltage installations : en fr
  • GB542291A - Improvements in or relating to the manufacture of luminescent materials : en
  • US2268587A - Distance determining system : en
  • US2269165A - Lighting fixture : en
  • US2268692A - Loading and unloading conveyer apparatus : en
  • US2268879A - Extensible table : en
  • FR868548A - Nozzle for gasifiers : en fr
  • FR868554A - Adjustable drive mechanism with discontinuous movement : en fr
  • FR868523A - Process for the preparation of phenolic resins : en fr
  • GB542455A - Improvements relating to telephone systems : en
  • CA402013A - Sheet material handling apparatus : en fr
  • US2269226A - Cathode ray oscillograph control : en
  • US2269036A - Summer-winter air conditioning control system : en
  • US2268747A - Bath mat : en
  • CA402041A - Brake lever : en fr
  • AT160753B - Process for the production of forged goods and equipment such as axes, hoes, hicks, staples, rakes, forks and the like. like : de en
  • AU114469B2 - Improvements in or relating to bandpass filters : en
  • DE715682C - Device for hurling or throwing viscous, earth-moist or dry material, especially concrete or the like. : de en
  • FR868609A - Device for influencing aerodynamic conditions on the impact current side of coated bodies, especially aircraft power plants : en fr
  • GB542434A - Improvements in or relating to the polymerisation of butadienes-1.3. : en
  • DE715765C - Electrical installation switch with push button : de en
  • DK59369C - Method of Preparing an Insulin Compound with Protective Effect. : da en
  • US2269137A - Apparatus for treating tires : en
  • US2269270A - Phonograph recorder : en
  • US2269373A - Remote control for serial cameras : en
  • GB542319A - Improvements relating to the production of sulphonamide compounds : en
  • DE715850C - Device for applying the control grid of a converter working with steam or gas discharge paths with voltages of sharp waveforms : de en
  • CA401982A - Electromagnetic controller : en fr
  • CA402000A - Photographic lens : en fr
  • CA402107A - Oil paint : en fr
  • DE715712C - Swiveling landing gear for aircraft : de en
  • DE715922C - Control device for rudder and engine parts in large aircraft : de en
  • US2269051A - Soil and moisture conserving disk or blade : en
  • FR868540A - Acetylene generator, more especially for vehicles : en fr
  • US2269125A - Method of making laminated fabrics : en
  • AT160766B - Projectile replica. : de en
  • FR868647A - Device for forming an optico-electronic image of a light image of a planar photocathode of large area : en fr
  • US2268716A - Parking meter : en
  • US2269107A - Method of producing power with internal combustion motors : en
  • US2269348A - Tractor wood saw : en
  • FR868558A - Improvements to lean gas purifiers : en fr
  • DE715729C - Device for hardening glass plates : de en
  • US2268602A - Process for preparing seed material for the improvement of bituminous substances of low qualities : en
  • US2268699A - Fluid control valve : en
  • US2269378A - Adjustable hone : en
  • USD131024S - Conduit receptacle or similar article : en
  • AU114485B2 - Improvements in or relating to indicating meters particularly for radio navigational purposes : en
  • US2269018A - Glazed building block : en
  • US2269025A - Dry distillation of shale and other slate-shaped materials : en
  • US2268760A - Labeling machine : en
  • DE715755C - Ceramic-lined container, especially for wet textile treatment : de en
  • DE715966C - Method of reducing the losses due to imperfect combustion when burning cement in shaft furnaces : de en
  • US2268745A - Bearing retaining means : en
  • US2269010A - Method of manufacturing stemmed glassware : en
  • AU114475B2 - Slider for separable sliding clasp fasteners : en
  • CA402016A - Textile fibre treating apparatus and elastic yarn manufacture : en fr
  • US2268871A - Apparatus for evaporating milk and other liquid products : en
  • US2269130A - Fuse : en
  • US2269383A - Level alarm switch : en
  • US2268545A - Signal device : en
  • US2268932A - Contrivance for amusement and entertainment : en
  • US2269286A - Stay for use in forming freight carloads : en
  • AU180641A - Improvements in or connected with pig-rings or the like : en
  • US2269184A - Freezing tray : en
  • FR868541A - Gaseous fuel metering device for supplying internal combustion or combustion engines : en fr
  • AU439240A - Aeroplane bomb : en
  • DE715830C - Elastic sealing ring for stuffing box socket pipe connections : de en
  • DE715861C - Speed controller for water power machines : de en
  • FR868607A - Electromagnetically actuated leaf clutch applicable in particular to automotive transmissions : en fr
  • GB542347A - A process and apparatus for introducing alloying material into molten metal : en
  • DE715677C - Process for removing hydrogen cyanide from gases containing hydrogen sulfide with simultaneous recovery of ammonium sulfate : de en
  • GB542442A - Improvements in electrical measuring systems : en
  • IE16244L - Band-spread tuning : en
  • US2269331A - Table : en
  • FR868634A - iron mine prop : en fr
  • DE715931C - Device for regulating the feed water supply for several once-through boilers fed from one point : de en
  • DE715970C - Self-releasing torque wrench : de en
  • FR868513A - Device for indirect automatic adjustment of variables such as temperature, pressure, humidity : en fr
  • GB542337A - Improvements in wire mesh mattresses : en
  • GB542366A - Improvements in or relating to thermionic valve circuits having a constant output : en
  • DE715963C - Rollable outer skin for collapsible boats : de en
  • US2268611A - Process of laminating : en
  • GB542409A - Improvements in and relating to torsion springs : en
  • DE715723C - Blood irradiation machine : de en
  • DE715699C - Eraser holder with a strand of eraser : de en
  • GB542316A - Improvement in vitamin b complex : en
  • US2269177A - Enclosed electric wiring system : en
  • US2269189A - Fluid pump : en
  • DE715845C - Process for the extraction of elemental sulfur from sulfur dioxide and gases containing such : de en
  • US2268685A - Brake mechanism : en
  • CA401970A - Vulcanizable contoured sheet manufacturing apparatus : en fr
  • CA402033A - Stabilized oscillating circuit : en fr
  • CA402052A - Locomotive safety device : en fr
  • FR868534A - Bayonet-type lampholder improvements : en fr
  • FR868639A - high frequency stage with counter-timing assembly : en fr
  • DE715884C - Device for producing fine spinnable glass threads : de en
  • FR868549A - Fuel agglomerates : en fr
  • US2268732A - Convertible footstool and table : en
  • GB542417A - Improvements in or relating to lighting and sterilizing apparatus : en
  • US2269269A - Well logging : en
  • US2269377A - Composition of unvulcanized crepe rubber : en
  • GR9741B - ONLY - GASING. : el en
  • DE715900C - Overtaking sign receiver : de en
  • DK59365C - Coupling for Generating or Amplifying Ultra High Frequency Oscillations. : da en
  • FR868518A - Harvester-binder : en fr
  • DE715956C - Reed instrument with keyboard, in particular bandonion : de en
  • DE715683C - Slice distributor : de en
  • US2269363A - Collapsible structure : en
  • US2269360A - Method for testing the machinability of free-cutting steel : en
  • CA402028A - Storage battery positive plate : en fr
  • US2269078A - Material gathering and loading machine : en
  • AT160742B - Electrolytic capacitor. : de en
  • DE715138C - Dust collector : de en
  • DE715673C - Connection piece for electrical power lines : de en
  • DE714419C - Four-stroke internal combustion engine with tubular slide control : de en
  • USD131052S - Design fob a combined dog collar and tie : en
  • US2268941A - Fly guard for screen doors and like : en
  • US2269250A - Alkylation of hydrocarbons : en
  • USD130998S - Design for a fountain pen : en
  • CA401929A - Trimming saw shadow line indicator : en fr
  • DE715905C - Bell suspension for rectifying columns : de en
  • DE715977C - Jaw branch clamp : de en
  • DE715868C - Iron pit stamp : de en
  • CA401994A - Film handling apparatus : en fr
  • US2269050A - Chimney cap : en
  • US2269369A - Process and device for electric arc welding : en
  • CA402115A - Rubber ribbon thread separating apparatus : en fr
  • CA401952A - Electric flow meter : en fr
  • US2269308A - Toggle mechanism for presses : en
  • DE715993C - Device to increase the adhesion between the rail vehicle drive wheels and the rails : de en
  • US2269087A - Plant marker : en
  • US2269274A - Method of purifying z-aminopykimi : en
  • AT160746B - Method and device for transferring list-like records to loose individual cards. : de en
  • US2269283A - Stoker : en
  • CA402072A - Edible oil or fat processing : en fr
  • CA401980A - Autographic register pin feed device : en fr
  • US2268979A - Exhaust gas heater : en
  • US2268743A - Spring-latch lock : en
  • US2268776A - Regulation of superheat and feed water temperatures : en
  • US2268805A - Aircraft fuel pump : en
  • US2269261A - Brake : en
  • US2268975A - Extinguisher for cigars, cigarettes, and the like : en
  • US2269182A - Illuminating unit : en
  • USRE21998E - Gas lift valve : en
  • FR868536A - Improvement in processes for the use of acetylene as a fuel : en fr
  • GB542345A - Improvements in or relating to telephone systems : en
  • AU136241A - Production of photochemical inhibitors incorporated in rubber hydrochloride : en
  • DE715791C - Two-part oar for rowing in the face direction : de en
  • CA401998A - Photographic lens : en fr
  • US2268624A - Packing cup for brake mechanism : en
  • US2269154A - Dynamoelectric machine : en
  • AU114433B2 - Improvements in or relating to carrier telephone and signalling systems : en
  • DE715760C - Process for the preparation of sulfonamides of the indole series : de en
  • DE715787C - Suspension of motor vehicles : de en
  • DE715898C - Slaughter spreader : de en
  • GB542399A - Improvements relating to machines for manufacturing electric lamps and similar devices : en
  • DE715758C - Process for the production of coarse-grain ammonium sulphate : de en
  • US2269055A - Split heating system : en
  • DK59370C - Device for sliding windows. : da en
  • US2268801A - Portable fan : en
  • GB542343A - Improvements relating to inking and lacquering rollers for lithographic, printing and lacquering machines : en
  • GB542338A - Improvements in manufacture of leather articles : en
  • US2269329A - Belt buckle : en
  • US2268707A - Branding chute : en
  • US2269059A - Method of preparing finely comminuted oxides : en
  • FR868645A - Electric switch control mechanism for the emission of pulses : en fr
  • US2268592A - Dispensing container : en
  • DE715906C - Process for the production of potassium sulfate from syngenite : de en
  • US2268679A - Printing device : en
  • US2269416A - Coated abrasive article : en
  • US2269334A - Animated doll : en
  • US2268600A - Insert gathering : en
  • US2269162A - Timing device : en
  • US2269215A - Vehicle change-speed gear : en
  • DE715823C - Spiral sprue, especially for permanent molds : de en
  • CA401942A - Fishing tool for rotary drilled wells : en fr
  • FR868529A - Electric blasting process : en fr
  • FR868595A - Improvements to laminated transmission belts : en fr
  • US2268701A - Pumping equipment : en
  • DK59371C - Cleaver for generator firewood and the like in certain lengths sawn pieces of wood. : da en
  • DE713329C - Hand knife with thumb rest on the side : de en
  • DE715848C - Encapsulated switchgear and distribution system : de en
  • DE715871C - Device for thickening liquids for cooling air or water : de en
  • GB542385A - Improvements in or relating to aerial barrages : en
  • DE715701C - Bullet fastening for cartridges : de en
  • FR868520A - Process for obtaining tasty chocolate masses and device for carrying out the process : en fr
  • GB542449A - Manufacture of trisazo dyestuffs and copper complex compounds thereof : en
  • DE715642C - Process for drying substances in an electrical high-frequency field, especially in an ultra-short wave field : de en
  • FR868594A - Closure for bottles, jars, carboys and other containers : en fr
  • DE715631C - Arrangement for regulating the audibility and tone formation in closed rooms : de en
  • DE715835C - Firearm : de en
  • DE715875C - Circuit arrangement for the separation of synchronization pulses and image content, which are distinguished by different amplitude ranges and are transmitted on the same carrier shaft : de en
  • GB542350A - Improvements in and connected with the chassis members of vehicles : en
  • FR868512A - Regulator galvanometer : en fr
  • US2268897A - Container handling machine : en
  • US2269064A - Power feed mechanism for machine tools : en
  • US2269065A - Surgical splint : en
  • USD131010S - Desigin fob a eoof ventilator : en
  • FR868585A - Device for adjusting the timing of ignition in internal combustion engines : en fr
  • US2269203A - Treatment of liquid sugar : en
  • US2269145A - Stabilized ergot alkaloid preparation : en
  • USRE21995E - Spool snubber : en
  • CA402060A - Optical image reproducer : en fr
  • US2268742A - Variable inductance device : en
  • FR868507A - Ultra-high frequency electro-magnetic wave transmission systems : en fr
  • DE715763C - Telephone system with coin telephones : de en
  • US2268929A - Compressor or the like : en
  • DE715912C - Television image splitter with a Braun tube that is used to write an unmodulated line grid : de en
  • US2268916A - Main clutch control : en
  • US2269340A - Burglar alarm : en
  • DE715965C - Spar bolt screw connection for guns with expanding carriage : de en
  • FR868564A - Polyvinyl products and their applications : en fr
  • DE715735C - A mixture-compressing four-stroke internal combustion engine controlled by a pipe slide that rotates in the cylinder and moves back and forth and works with spark ignition : de en
  • DE715768C - Voting indicators, especially for radio receivers : de en
  • DE715632C - Manufacture of molded parts from molding compound : de en
  • DE715928C - Ironing trough with electrical heating : de en
  • US2269090A - Tensioning tool : en
  • USD131015S - Design fob a flagstaff : en
  • FR868504A - Self-induction coil, especially for short waves : en fr
  • FR868514A - Indirect acting conditioning regulator : en fr
  • US2268915A - Method and material for detoxifying local anesthetics : en
  • GB542446A - Improvements relating to the treatment of woollen or worsted fabrics : en
  • FR868650A - Balanced input circuit for amplifiers coupled in opposition : en fr
  • DE715921C - Process for the production of fluorescent screens : de en
  • US2268759A - Method of making tiles : en
  • US2269398A - Circular knitting machine : en
  • US2269008A - Cigar lighter : en
  • US2269023A - Tractor hitch : en
  • FR868528A - Measuring table for coins, tokens, etc. : en fr
  • US2268810A - Asphalt composition : en
  • US2269201A - Transparent container and method of making same : en
  • US2268834A - Automatic tuning arrangement : en
  • DE715013C - Device for the slowed conveyance of the degraded material through transport channels : de en
  • US2269245A - Motor : en
  • DE715670C - Road roller with belt wheels : de en
  • DE715841C - Flushing device, especially for steps : de en
  • US2268803A - Fruit inspection conveyer : en
  • CA402011A - Venetian blind cord locking mechanism : en fr
  • CA402054A - Damming attachment : en fr
  • US2268952A - Hair curler : en
  • CA401925A - Sandwich making apparatus : en fr
  • US2268723A - Method of lapping valve plugs : en
  • US2268831A - Electric fixture attaching means : en
  • US2268903A - Spark plug : en
  • US2268757A - Container : en
  • US2268572A - Rock drill : en
  • USD130996S - Design for a laundry bag rack : en
  • US2268901A - Bed lamp : en
  • AT160754B - Multi-disc brake for heavy, high-speed vehicles, especially railroad cars. : de en
  • US2269300A - Radio receiver : en
  • US2268540A - Combination floor furnace and evaporative cooling unit : en
  • US2268556A - Fire retardant textile : en
  • DE715770C - Method for working the heel parts on a stocking that is worked in one piece with the exclusion of these heel parts on the flat weft knitting machine : de en
  • US2268790A - Voltage stabilizing device for electric supply systems : en
  • CA401979A - Manifolding book : en fr
  • US2268973A - Lock : en
  • DE715796C - Endless television interlude : de en
  • US2269257A - Refuse container : en
  • US2269246A - Control device : en
  • US2269350A - Awning : en
  • US2269229A - Insulation of electrical apparatus : en
  • DE715719C - Process to reduce lye losses in the dephenolation of water : de en
  • DE715757C - Device for applying liquid substances : de en
  • CA402096A - Fastener lock slider : en fr
  • US2269253A - Piece-end stitching machine : en
  • US2268574A - Drilling apparatus : en
  • US2268652A - Means for separating particles of : en
  • GB542336A - Improvements in or relating to means for moistening pieces of paper and like material : en
  • DE715676C - Device for removing dust, in particular fly ash : de en
  • US2268837A - Modulator arrangement : en
  • US2269000A - Production of nitrates from nitric acid and chlorides : en
  • CA401999A - Photographic objective : en fr
  • US2268563A - Method of and apparatus for canning : en
  • US2268894A - Garment rack : en
  • US2269041A - Automatic frequency control system : en
  • GB542368A - Improvements in or relating to hydraulic motors : en
  • GB542402A - Improvements relating to the supply of sump vapours to the induction pipes of internal combustion engines : en
  • DE715972C - Hose connection for pneumatic hammer : de en
  • US2268780A - Water-soluble sulphapyridine derivative and process of making it : en
  • US2268984A - Busy line recorder : en
  • US2269079A - Arrangement for amplifying electric oscillations : en
  • US2269376A - Diffuser for the outlets of air ducts : en
  • DE715809C - Transmitter device for ratio current receiver : de en
  • AT160762B - Process for the preparation of androsten- (5) -ol- (3) -one- (17) or androsten- (5) -diol- (3.17) or their stereoisomers or their esters. : de en
  • DE715665C - Process for the preparation of oxysulfones : de en
  • DE715904C - Wedge, especially for tool handles : de en
  • GB542320A - Die mechanisms and method for securing bushings in sheet metal : en
  • DE715832C - Process for the production of a paper filler and size : de en
  • DE715930C - Process for the preparation of p-acylaminoacylbenzenes and -aminoacylbenzenes : de en
  • GB542361A - Improvements in or relating to power press lubricating installations : en
  • US2268617A - Method of making copper clad wire : en
  • US2268945A - Stroke adjuster : en
  • US2269144A - Communication system : en
  • US2269062A - Lumber trailer : en
  • US2268741A - Automobile hood latching means : en
  • US2269001A - Thermionic valve amplifier : en
  • US2269015A - Tropical hard-shell nut fiber pharmaceutical product : en
  • US2269058A - Electric razor : en
  • US2268878A - Flashlight : en
  • US2268908A - Spectacles : en
  • USD131022S - Design for a line blind : en
  • US2268806A - By-pass valve for aircraft fuel pumps : en
  • US2268955A - Bacterial product and bacteria strain and process of producing the same : en
  • US2269303A - Soap rack : en
  • DE715813C - Plate leveler : de en
  • DE715697C - Shelter ventilator : de en
  • CA402124A - Counter current pre-heater : en fr
  • DE715647C - Device for only partially filling a traffic container for gases liquefied under pressure : de en
  • US2268854A - Grease trap : en
  • USD130999S - Design fob a fountain pen : en
  • US2268850A - Variometer : en
  • US2268662A - Production of matt photographic emulsions : en
  • DE715857C - Shake slide motor : de en
  • CA402070A - Drink mixer : en fr
  • CA402030A - Washing machine gyrator : en fr
  • DE715873C - Electrolytic water decomposer : de en
  • CA402057A - Diverter valve : en fr
  • DE715882C - Immersion heater : de en
  • GB542414A - Production of new derivatives of hydrocarbons of high molecular weight : en
  • CA402008A - Lighting unit : en fr
  • US2268644A - Shoelace lock device : en
  • US2269191A - Control switch : en
  • US2269210A - Hay knife : en
  • GB542315A - Improvements in and relating to the controlling of pressure charged internal combustion engines for aircraft : en
  • GB542357A - Improvements in or relating to internal combustion engines provided with charging pumps : en
  • US2268877A - Hose reel : en
  • USD131017S - Design fob a game board : en
  • CA402081A - Printing telegraph apparatus : en fr
  • US2268784A - Vehicle spring liner : en
  • DE715688C - Synthetic resin jacket for the bearings of shafts : de en
  • US2268991A - Conveying apparatus : en
  • US2269135A - Electric cutout : en
  • DE715987C - Device for treating textile goods, in particular hosiery, mounted on molds : de en
  • FR868586A - Device for hydraulically varying the moment of injection in internal combustion engines with injection : en fr
  • US2268994A - Syringe ampoule : en
  • US2269251A - Lid support : en
  • US2269301A - Mixing machine implement or tool : en
  • DE715964C - Lock for car doors : de en
  • DE715715C - Process for the production of refractory building materials rich in magnesium orthosilicate : de en
  • US2269328A - Hydraulic hold-down : en
  • FR868598A - Process for the selective treatment of oils containing paraffin : en fr
  • FR868562A - photographic products : en fr
  • FR868603A - Valve for hydraulic installation on aircraft, in particular for pressure accumulator brake installation : en fr
  • GB542404A - Power supply arrangements for thermionic amplifiers : en
  • US2269307A - Method of and apparatus for separating composite material into its components : en
  • US2269351A - Mechanical movement : en
  • US2269324A - Light responsive apparatus for controlling linear voltage : en
  • USD130997S - Design for a fountain pen point : en
  • USD131007S - Carlson bottle rack : en
  • DE715838C - Method and device for breaking up fiber bundles obtained by stacking and for producing a continuous fiber sliver from these fiber bundles : de en
  • US2268706A - Apparatus for refining lubricating oils : en
  • US2268626A - Pinking shears : en
  • US2269332A - Synchronizing airplane engines : en
  • US2269404A - Eddy reducing valve : en
  • CA401954A - Roof : en fr
  • US2268583A - Ornamenting machine : en
  • CA402086A - Garment pressing machine : en fr
  • AU440840A - Improvements in or relating to fluxes for use inthe treatment of light metal : en
  • CA402079A - Induction apparatus : en fr
  • US2268660A - Automatic toaster : en
  • US2269412A - Air separator : en
  • GB542419A - Improvements relating to carriages for typewriting machines : en
  • US2268542A - Conveyer chain : en
  • US2268755A - Ligature tier : en
  • US2269291A - Chuck for fractional horsepower electric motors : en
  • US2268695A - Pump : en
  • US2268825A - Toilet article : en
  • US2269083A - Tire inflation indicator : en
  • USD131041S - Design fob a shoe : en
  • US2269266A - Gauge : en
  • GB542421A - Improvements in multi voltage electric supply systems : en
  • US2268686A - Plastic liquefier : en
  • US2268702A - Packing material : en
  • US2268631A - Printing telegraph system and apparatus : en
  • AT160752B - Method for the preparation of pregnen- (4) -dione- (3.20). : de en
  • AT160757B - Process for the production of rollers with a raised patterned surface. : de en
  • CA402029A - Molybdenum and alloy production : en fr
  • CA402078A - Sheet metal rolling apparatus : en fr
  • US2268578A - Cone clutch for punch presses : en
  • US2268999A - Process for the treatment of nitrosyl chloride-chlorine mixtures : en
  • CA402027A - Storage battery negative plate : en fr
  • CA402108A - Stock quotation transmitting and receiving system : en fr
  • US2268787A - Sheet metal perforating apparatus : en
  • US2268786A - Process for refining fatty compounds : en
  • US2268846A - Air conditioning apparatus : en
  • US2268939A - Electric contact : en
  • US2269204A - Speed regulator : en
  • DE715707C - Pressure telegraph receiver, the type wheel of which is connected to code disks, the setting of which is determined by a set of test elements : de en
  • US2269247A - Reinforced shipping box : en
  • GB542373A - Improvements in stop mechanism for typewriting machines : en
  • US2269197A - Grinding and polishing apparatus : en
  • DE715891C - Process for the production of partial extracts : de en
  • DE715852C - DC biased choke coil : de en
  • US2269400A - High-speed between-the-lens photographic shutter : en
  • DE715709C - Electric flashlight with reflector, which can be swiveled by means of a pivoting piece mounted without an axis in a section of the housing head : de en
  • US2268944A - Threading mechanism : en
  • US2268868A - Bearing member : en
  • DE715704C - Process for the evaporation of sugar juices : de en
  • US2269072A - Controlling device : en
  • DE715870C - Tilting saddle on tables for paper cutting machines : de en
  • US2268544A - Lubricated piston : en
  • US2268925A - Traffic counting circuits : en
  • US2269024A - Power transmission device : en
  • USD131019S - Design fob a dress : en
  • US2268809A - Woven elastic fabric : en
  • US2268840A - Slice for papermaking machines : en
  • US2268943A - Fused switch box : en
  • DE715916C - Device for determining the uneven load distribution that occurs as a result of the elastic change in shape of loaded machine and structural components : de en
  • US2269346A - Teletypewriter switchboard service observing circuit : en
  • US2268995A - Soldering iron : en
  • GB542443A - Improvements in or relating to apparatus for cleaning oil : en
  • AU114455B2 - Coupling ofan eneragising stage toa modulating stage by an impedance inverting network : en
  • AT160767B - Gold-palladium-silver alloys for jewelry and rings. : de en
  • CA402042A - Shaft sinking method : en fr
  • US2268671A - Television receiver : en
  • US2268983A - Method of forming abrasive surfaces upon high-speed grinding wheels : en
  • US2268924A - Time stamp : en
  • US2269355A - Manufacturing of zinc oxide : en
  • US2268740A - Neck duster : en
  • DE715846C - Production of organic sulfur compounds : de en
  • CA401967A - Silver recovery from photographic solutions : en fr
  • US2268920A - Holder for fishing tackle : en
  • US2269289A - Nonblinding vibrating screen : en
  • USD131013S - Design for a glare signal for automobiles : en
  • US2269367A - Rubber valve stem for pneumatic tires : en
  • US2269101A - Heat transfer system : en
  • US2268601A - Vehicle : en
  • US2268748A - Display rack : en
  • US2269244A - Tire : en
  • US2269358A - Motor driven razor : en
  • US2268982A - Tube reinforcing machine : en
  • US2269032A - Apparatus for coating and wrapping pipe : en
  • US2268676A - Molding core : en
  • USD131043S - Design for a checkerboard : en
  • US2268687A - Electrically actuated implement : en
  • US2268721A - Washing machine : en
  • US2268880A - Telephone system : en
  • US2269399A - Disubstituted cyanamides : en
  • CA402075A - Railway car truck and bolster : en fr
  • CA402118A - Tire manufacture : en fr
  • US2268869A - Bearing member : en
  • DE715649C - Circuit arrangement for generating a control voltage serving as a measure for a frequency deviation : de en
  • CA401955A - Fruit and vegetable washer : en fr
  • CA402065A - Discharge device resonant circuit phase control : en fr
  • AT160761B - Setting device for radios or the like with an arbitrarily ordered sequence of station names. : de en
  • DE715878C - AC-powered, grid-controlled discharge vessel with gas or vapor filling : de en
  • AT160749B - Adjustment device for piston pumps, in particular for injection pumps of internal combustion engines. : de en
  • DE715925C - Method and device for brazing frame connections : de en
  • GB542327A - Improvements in electro magnetic switching arrangements for the automatic application and selection of voltage supplied from a current source : en
  • DK59377C - Machine for Purification of Animal Intestines. : da en
  • CA401981A - Water resistant glue : en fr
  • DE715671C - Road roller with self-adjusting roller wheels : de en
  • DE715724C - Resistance point or seam welding machine with a turret head carrying several electrodes : de en
  • DK59374C - Locking device for cattle binders. : da en
  • CA402007A - Lighting device : en fr
  • GB542341A - Improvements in or relating to auxiliary air inlet devices for internal combustion engines : en
  • US2268737A - Heat control system and means : en
  • US2269151A - Electric control circuits : en
  • CA402088A - Fluid actuated brake : en fr
  • DE715678C - Process for the elimination of phosphorous hydrogen from gases, especially acetylene : de en
  • DE715767C - Voting indicators, especially for radio receivers : de en
  • DE714097C - Fluid measuring device, especially for concrete mixers : de en
  • DE715776C - Process for producing seamless, inflatable, spherical balls, in particular football bubbles : de en
  • DE715689C - Cover drive, consisting of a cover band made of wire mesh : de en
  • DE715901C - Anchoring for chute motors : de en
  • DE715953C - Device for reproducing optical sound recordings that are recorded in several tracks close together : de en
  • CA401973A - Engine starter : en fr
  • DE711585C - Screw clamp : de en
  • DE715942C - Swivel joint for the implementation of electrical cables, especially for workplace lights : de en
  • CA402114A - Expansion joint : en fr
  • DE714932C - Device for stereoscopic image projection with a polarization filter grid arranged directly next to the projection screen : de en
  • DE715996C - Arrangement for high-frequency generator of high performance : de en
  • FR868571A - Punch : en fr
  • US2269060A - Tempering of hollow glass articles : en
  • CA402083A - Railway traffic controlling apparatus : en fr
  • US2268946A - Phenol modified ethers : en
  • US2268597A - Shoe machine : en
  • AT160756B - Method and device for the production of rubber strips for the production of rubber threads. : de en
  • US2268892A - Automobile door lock : en
  • AT160760B - TV channel. : de en
  • US2269161A - morse : en
  • US2269263A - Phonographic apparatus : en
  • FR868575A - New development in viscose manufacturing : en fr
  • DE715672C - Locking of the free bridge ends in double-wing moveable bridges : de en
  • GB542360A - Improvements in indicator for showing the level of a liquid in a reservoir : en
  • DE715840C - Process for the production of ceramic filters, diaphragms and the like Like. with partly dense, partly porous structure : de en
  • FR868539A - Fuel for internal combustion engines : en fr
  • US2269221A - Die stock : en
  • US2269288A - Knitting machine : en
  • US2269309A - Multiple airscrew drive : en
  • US2269335A - Telephone system : en
  • AT160768B - Device for gasification of wood, peat, etc. Like., In particular for the operation of suction gas engines. : de en
  • FR868579A - Switching system for electron multipliers : en fr
  • US2268677A - Means for testing the resistance of fabrics to snagging : en
  • GB542440A - Improvements relating to metal wool : en
  • GB542405A - Improvements relating to electric accumulators : en
  • GB542458A - Improvements in or relating to ignition systems for internal-combustion engines : en
  • DE715653C - Zero printing device for cash registers or accounting machines : de en
  • GB542448A - Improvements in or relating to heaters for air for furnaces and the like : en
  • FR868589A - Ribbon body : en fr
  • FR868606A - Pressurized liquid delivery device for aircraft brake installations : en fr
  • FR868637A - Cabinet for electrical appliances : en fr
  • US2268882A - Relay : en
  • GB542439A - Improvements in or relating to power transmissions for driving vehicles : en
  • DE715858C - Hammer crusher with feed grate and discharge grate : de en
  • GB542441A - Improvements in or relating to methods of preparing compounds of phenolphthalein and the improved compounds produced thereby : en
  • GB542394A - Improvements relating to electrical installation junction boxes : en
  • USD131037S - Design for a shoe heel : en
  • USD131050S - Design for a lace : en
  • US2268847A - Temperature compensator for pressure actuated indicators : en
  • US2269365A - Dress shield : en
  • CA402063A - Luminescent screen : en fr
  • DE715711C - Booking machine, in particular balancing machine : de en
  • GB542420A - Improvements in electrical switchgear equipments having isolating arrangements : en
  • US2269167A - Welding flux : en
  • GB542351A - Mobile fort and means for producing same : en
  • DE715872C - Process for the production of concentrated hydrochloric acid from the vapors developed during the vacuum distillation of liquids containing hydrogen chloride : de en
  • DE715666C - Process for the preparation of primary alcohols of the cyclopentanophenanthrene series : de en
  • DE715778C - Two-stroke internal combustion engine : de en
  • FR868502A - Device for connecting an end-of-line subscriber telephone set to a four-wire carrier frequency : en fr
  • FR868588A - Ribbon body and manufacturing process : en fr
  • DE715826C - Device for controlling the preheating of liquefied propellant gases for internal combustion engines : de en
  • DE715876C - Electric low-pressure fluorescent tube with discharge-heated glow electrode and process for manufacturing the electrode : de en
  • GB542325A - Improved advertising device : en
  • USD131003S - Design foe a fan : en
  • US2268657A - Duplicating machine : en
  • DE715784C - Reversing device for a hand crank drive causing the alternating movement of aircraft parts : de en
  • US2268976A - Door check : en
  • US2268552A - Rotor operating mechanism : en
  • US2268826A - Vent valve control for triple valves : en
  • DE715888C - Device for increasing the gasification of liquid fuel in internal combustion engines : de en
  • GB542332A - Improvements in cathode ray tubes : en
  • FR868582A - Distributor for compressed fluid brakes, especially for single chamber trailer brakes : en fr
  • US2268621A - Gassing rubber by a combination of external and internal gases : en
  • US2268735A - Signaling system : en
  • CA402032A - Absorption oscillator : en fr
  • DE715847C - Moving device in muffles from Gluehoefen filled with protective gas for preheating of cladding material : de en
  • US2268691A - Electrically heated furnace : en
  • DE1512689U - : de en
  • DE715936C - Controller for the power program control of alternating current sources connected in parallel : de en
  • US2268900A - Bottle washer : en
  • US2268989A - Process for improving fuel : en
  • US2269265A - Stabilized refined petroleum product : en
  • US2268727A - Yarn separator : en
  • CA401989A - Transformer coil winding device : en fr
  • AU114452B2 - Gyratory screen : en
  • US2268669A - Display background construction : en
  • US2269237A - Cooling arrangement for dynamoelectric machines : en
  • US2268794A - Telephone substation apparatus : en
  • US2269063A - Wringer guard : en
  • US2269366A - Iodine-containing dyestuffs : en
  • DE715748C - Permanent magnet system, especially for electrical machines and apparatus : de en
  • US2268751A - Hosiery and method of making the same : en
  • US2269103A - Gyroscopic instrument : en
  • DE715890C - Process for the production of low-resin wood pulp from pine wood : de en
  • DE715728C - Device for the continuous production of mats or sheets from glass fibers and other inorganic fibers : de en
  • DE715881C - Electric cooking and baking equipment : de en
  • US2268863A - Disk abrading machine : en
  • US2269218A - Nu-aryl morpholone compound : en
  • US2269354A - Toilet appliance : en
  • US2268749A - Watch stem bushing : en
  • US2269163A - Process for dehydrating aliphatic acids by a combined extraction-distillation method : en
  • DE715428C - Speech amplification system that can be worn on the body and consists of a microphone, amplifier, energy sources and loudspeaker : de en
  • US2268956A - Electric gauge : en
  • US2269220A - Phenol-formaldehyde photographic sub : en
  • US2268970A - Tearing strip package : en
  • US2269287A - Fan : en
  • FR868583A - Mechanically controlled portable percussion instrument : en fr
  • FR868509A - Device for the supply of extinguishing foam intended to extinguish fire in large tanks : en fr
  • AU51741A - Improvements relating to electrolytic condensers : en
  • CA402098A - Flat article handling and conveying mechanism : en fr
  • US2269357A - Foot mallet : en
  • DE715648C - Brake circuit for electric tram vehicles : de en
  • DE715798C - Process for making shaving soap : de en
  • GB542324A - Improvements relating to crucibles or melting pots : en
  • USD131001S - Design for an upholstered cedar chest : en
  • DE715692C - Device for straightening disk-shaped mass parts : de en
  • DE715883C - Split mold for the manufacture of steel aircraft bombs : de en
  • DE715924C - Seat arrangement, especially for motor vehicles : de en
  • AU114477B2 - Method of locating mineral oil deposits : en
  • FR868556A - Air mixer for gasifier : en fr
  • GB542344A - Improvements in adjustable seats : en
  • FR868527A - Device for checking the tightness of riveted or welded seams made inaccessible by a coating : en fr
  • US2268987A - Method and apparatus for drying printing ink : en
  • US2269100A - Refrigeration : en
  • US2269196A - Combined match and toothpick holder : en
  • GB542365A - Improvements in or relating to presses and like machines : en
  • GB542462A - Improvements in elastic fluid turbines : en
  • DE715874C - Production of activated carbon : de en
  • DK59378C - Device for grinding the columns on crankshafts. : da en
  • DK59380C - Open Filter for Biological Purification of Wastewater. : da en
  • DE715804C - Calculating machine combined with a card printing and (or) punching device : de en
  • DE715638C - Device for producing high-frequency cinematographic recordings using slow motion : de en
  • FR868649A - Self-radiating telescopic mast : en fr
  • DE715935C - Arrangement for the remote control of switching devices in substations : de en
  • US2268766A - Window lock : en
  • US2268811A - Television receiver : en
  • US2269293A - Coding machine : en
  • US2269296A - Noncorrosive battery terminal : en
  • FR868600A - Toy track with doubling vehicles : en fr
  • DK59375C - Jet Pipe for Making Foam for Fire Extinguishing. : da en
  • DK59368C - Procedure for Inserting Electric Heating Wire into Grooved Heaters. : da en
  • US2269011A - Method and arrangement for limiting interferences in radio receiving apparatus : en
  • DE715808C - Reflection-free skylights for halls or industrial plants for air protection purposes : de en
  • DE715833C - Artificial lung : de en
  • DE715853C - Monitoring device for liquid-filled electrical devices : de en
  • DE715645C - Process for obtaining shrink-free piece goods made from vegetable fibers : de en
  • DE715995C - Circuit arrangement for telephone systems in which two- and four-wire lines are connected to each other via power amplifiers : de en
  • DE715738C - Machine for grinding the tooth flanks of spur and helical gears using the rolling process using a grinding wheel that has the profile of a rack tooth : de en
  • US2269277A - Carburetor : en
  • US2268696A - Fruit position inspector : en
  • US2268823A - Method to diminish damping of crystals : en
  • US2269081A - Method of manufacturing cathodes for electron tubes : en
  • DE715746C - Process for preventing the defects caused by gas development in ceramic bodies : de en
  • DE715829C - Elastic sealing ring for stuffing box socket pipe connections : de en
  • DE715917C - Two-stroke injection internal combustion engine : de en
  • US2268576A - Screw type connection for connecting stem members and bored members : en
  • US2268770A - Bearing : en
  • AU439440A - Method of locating mineral oil deposits : en
  • FR868515A - Gas supply device : en fr
  • US2268570A - Material loading apparatus : en
  • US2269234A - Polymethine dye intermediates : en
  • US2268634A - File holder : en
  • US2268665A - Method and arrangement for transferring telephone conversations to other electrical devices : en
  • FR868643A - Call rig for wire end assembly for carrier frequency : en fr
  • FR868508A - Fire extinguisher, portable or sled, intended in particular for mining operations : en fr
  • DE715914C - Protective device against incorrect repeated switching on of electromagnetic or electric motor remote-controlled switches : de en
  • GB542408A - Improvements in or relating to electrode biassing arrangements in high frequency apparatus : en
  • US2268705A - Maximum demand meter recording attachment : en
  • US2269417A - Cathode-driven oscillator : en
  • FR868581A - Materials for the manufacture of electrical contacts : en fr
  • FR868626A - Fitting for metal sheathed electrical cables : en fr
  • USD131000S - Design for a fountain pen : en
  • CA402127A - Glass plate hardening oven : en fr
  • FR868644A - Plug-in junction box : en fr
  • US2269380A - Overalls : en
  • CA401986A - Dynamo electric machine ventilation : en fr
  • US2269085A - Cleaning condensable fiber : en
  • US2268681A - Advertising door brace : en
  • US2269406A - Plumber's snake housing shell : en
  • DE715662C - Filter nozzle made of porcelain for backwash water filter systems : de en
  • US2269159A - Closure cap securing means for jars and the like : en
  • US2268978A - Apparatus for recovering sulphur : en
  • CA401940A - Illuminated sign : en fr
  • CA402106A - Detachable bit drill : en fr
  • CA401959A - Calculating and accounting machine : en fr
  • US2269031A - Tank bleeder valve : en
  • US2269241A - Terminal conductor : en
  • GB542367A - Improvements in or relating to a method of sampling gases and to multiple sampling valves : en
  • US2269047A - Switching mechanism for automobile signals : en
  • US2268672A - Selective amplifier : en
  • US2268773A - Ring traveler : en
  • US2268678A - Process for manufacturing patterned rubber sheets : en
  • US2268730A - Cooled tube support : en
  • US2269242A - Magnetic contact device : en
  • US2268561A - Welt shoe and insole therefor : en
  • US2269098A - Musical annunciator : en
  • US2269213A - Venetian blind tilter : en
  • DE715703C - Process for the production of coating agents : de en
  • DE715802C - Process for obtaining effective and durable purified extracts from anterior pituitary gland : de en
  • US2269190A - Washing machine : en
  • CA401984A - Time delay motor control system : en fr
  • US2268763A - Milk can cover : en
  • US2268738A - Strap buckle : en
  • FR868566A - Scanning wave generator synchronization systems in television : en fr
  • CA402009A - Coal feed timer : en fr
  • CA401957A - Venetian metal blind slat manufacture : en fr
  • CA402046A - Reading machine : en fr
  • DE715663C - Filter system for liquids : de en
  • US2269275A - Carburetor : en
  • US2269179A - Feed cleaner for grain grader sample dividers : en
  • US2269278A - Changeable name strip directory : en
  • USD131045S - Design for a container mounting bracket : en
  • CA401972A - Bowling pin setting apparatus : en fr
  • US2268627A - Well logging : en
  • US2268645A - Phonograph : en
  • US2269026A - Storage vessel for the radioactive treatment of creams and the like products : en
  • US2269193A - Denatured alcohol containing an alkyl carbonate : en
  • US2269384A - Metal base for wall construction : en
  • CA401947A - Camera : en fr
  • DE715650C - Circular cylinder-shaped, movable core part for transformers or choke coils : de en
  • CA402102A - Windshield wiper mechanism : en fr
  • AU114444B2 - Improved dust-collecting electrode for use inthe precipitation of dust : en
  • CA402095A - Fastener lock slider : en fr
  • AT160744B - Process for cleaning, separating and concentrating colloidal dispersions. : de en
  • CA402051A - Light coloured fibre production : en fr
  • US2268577A - Construction of externally screwthreaded members : en
  • DE715721C - Dimming device : de en
  • CA402004A - Overload protective means : en fr
  • FR868557A - Self-cleaning filter device : en fr
  • US2269304A - Pencil tip and sharpener : en
  • USD131009S - Design for a roof ventilator : en
  • US2268664A - All-wave antenna system : en
  • US2268756A - Electric controlling apparatus : en
  • US2268841A - Saw : en
  • US2268558A - Furnace construction : en
  • FR868577A - Lockable door handle, especially for motor vehicles : en fr
  • US2269282A - Mineral oil composition : en
  • US2268557A - Treatment of hydrocarbons : en
  • USD131018S - Design for a building siding panel : en
  • DK59361C - Safety clamp for Gashaner. : da en
  • DE715788C - Window serving as an emergency exit, especially for motor vehicles : de en
  • US2269007A - Edger : en
  • CA402036A - Diazotype dry development apparatus : en fr
  • US2268622A - Manufacture of artificial materials : en
  • US2268635A - Telephone system : en
  • US2269106A - Internal combustion motor : en
  • US2269170A - Coupling : en
  • US2269176A - Coated refractory melting pot : en
  • US2268553A - Timing reminder : en
  • US2268859A - Impulse sender : en
  • US2269374A - Apparatus for measuring the distance of an airplane above the earth : en
  • DE713335C - Method for wireless location determination : de en
  • DE715867C - Thickener with a chain moving in a circle from the edge of the thickener : de en
  • FR868559A - High power cartridge : en fr
  • FR868622A - spark plug middle electrode : en fr
  • US2268623A - Cotton-picking machine : en
  • US2268777A - Surgical pad : en
  • US2269147A - Di (aryl amino) alkacyl amide : en
  • CA402044A - Non-austenitic stainless steel : en fr
  • GR9742B - DETAILABLE BANK, STool SEAT. : el en
  • GB542369A - Improvements relating to jigs : en
  • DE715839C - Unterriemchenstreckwerk : de en
  • FR868531A - Improvement of paper machines by installing a gas dryer plate upstream of the last wet press : en fr
  • DE715794C - Process for the preparation of a dough leavening agent : de en
  • GB542459A - An obturator pad for reducing to a minimum the gap between an axle and axle box : en
  • GR9743B - PREPARATIONS AND DISHES OF CULINARY AND CONFECTIONERY USE MERCHANTABLE LONG. : el en
  • US2268655A - Voltage controlled thermal timer : en
  • US2269110A - Concrete placement apparatus : en
  • US2269123A - Translucent insulating building block : en
  • US2269146A - Removal of filter dyes from color films : en
  • US2269157A - Automatic fluid fuel burner control : en
  • US2268853A - Screen stretching and take-up device : en
  • DE715720C - Circuit breaker with remote release : de en
  • DE715810C - Process for the production of rust-proof paints : de en
  • DE715726C - Process for the production of dentures : de en
  • FR868521A - Device for reducing the phenomena of electrical oscillations in transformer installations : en fr
  • US2268893A - Bat : en
  • US2268959A - Burner control system : en
  • US2268960A - Fluid control valve and electromagnetic operator therefor : en
  • US2268914A - Theater seat hinge : en
  • US2269174A - Dry ice storage : en
  • US2268977A - Door check : en
  • US2269073A - Electron tube : en
  • AU50841A - Improved dust-collecting electrode for use inthe precipitation of dust : en
  • DE715834C - Fuel tanks in vehicles, in particular in aircraft : de en
  • US2268548A - Inner tube tester : en
  • US2268864A - Locking device for drawers and the like : en
  • US2268948A - Controllable pitch propeller : en
  • US2269297A - Axially centered recoil mechanism for machine guns : en
  • GB542382A - An improved tool for expanding tubular rivets or eyelets : en
  • DE715910C - Mercury rail contact : de en
  • GB542447A - Improvements in and relating to presses for clothing, fabrics and the like : en
  • DE715902C - Schuettelrutschenverbindungen with abutting OEsenbendern at the head ends of the channel chutes for the reception of the longitudinally arranged connecting bolts : de en
  • US2268670A - Electron discharge device : en
  • US2268974A - Door lock : en
  • USRE21992E - Refining of animal and vegetable : en
  • DE715629C - Double bed frame made up of two single bed frames with only one middle wall : de en
  • US2268733A - Pneumatic safety control for presses : en
  • US2268992A - Athletic shoe cleat : en
  • US2269086A - Addressing machine : en
  • US2269208A - Push-on type handle : en
  • CA402061A - Oscillation generator : en fr
  • US2268769A - Air conditioning system : en
  • US2268807A - Aircraft fuel pump : en
  • US2268832A - Process for softening artificial cellulosic materials : en
  • US2269375A - Telephone system : en
  • AU430540A - Improvements in water purification apparatus : en
  • US2268590A - Treating textile material to remove gum, etc., therefrom : en
  • USD131044S - Combination battery charger and tester casing : en
  • FR868601A - Adjusting device for charging a pressurized liquid accumulator for aircraft hydraulic systems : en fr
  • US2268986A - Method and apparatus for drying printing ink : en
  • US2269345A - Permanent magnet : en
  • DE715674C - Synchronization device for remote transmission of rotary movements : de en
  • DE715700C - Shoe balance : de en
  • DE715941C - Pendulum clamp for electric lights : de en
  • US2268680A - Heat exchanger with wire heat conductors : en
  • US2269389A - Molding press : en
  • USD131034S - Design for a knitted textile fabric : en
  • US2269359A - Dry shaver : en
  • US2269002A - Illusionary display device : en
  • US2268712A - Means for taking pictures in the third dimension : en
  • US2268761A - Zone temperature control system : en
  • US2269105A - Carboxylic acid nitriles : en
  • US2268620A - Insoluble ammonia-hydrocarbon dihalide condensation products : en
  • US2268739A - Line drier : en
  • US2268541A - Artificial fish bait : en
  • US2269411A - Motor control circuit : en
  • CA402071A - Printing ink drying apparatus : en fr
  • DE715869C - Process for utilizing the fine coal resulting from the extraction of hard coal : de en
  • CA402043A - Lead addition to steel : en fr
  • IE16223L - Mixed carbonate salts; stomach powder base : en
  • FR868506A - Impedance devices for high frequency systems : en fr
  • DE715764C - Radio receiver with automatic mechanical tuning by means of push buttons : de en
  • DE715981C - Testing device for fuel injection valves and nozzles from internal combustion engines : de en
  • FR868611A - Installation of injection pumps for internal combustion engines : en fr
  • USD130991S - Design for a candle holder : en
  • GB542412A - Improvements in and relating to safety pins : en
  • CA402110A - Acetic anhydride : en fr
  • US2268799A - Sewing mechanism for stitching wire eye fasteners : en
  • CA402069A - Knitting machine strand feeding device : en fr
  • CA402091A - Locking device : en fr
  • US2269362A - Roller skate attachment : en
  • USD131021S - Design fob a line blind : en
  • USD131027S - Design for a conduit receptacle or similar article : en
  • US2268890A - Printed matter for blind reading and method of producing the same : en
  • CA401996A - Optical system : en fr
  • CA401962A - Prime mover control system : en fr
  • CA401938A - Metal cleansing and sterilizing solution : en fr
  • US2268910A - Apparatus for making hydrogen : en
  • US2268988A - Method and apparatus for drying printing ink : en
  • US2269006A - Shoe tree : en
  • CA402074A - Magnetic compass : en fr
  • US2268571A - Separable fastener : en
  • US2269029A - Cane : en
  • DE715790C - Control valve, especially for single-chamber brakes in trailer vehicles : de en
  • USRE21999E - Undergarment : en
  • US2268795A - Money compartment envelope : en
  • CA402039A - Violin bow : en fr
  • CA401936A - Helical propulsion boat : en fr
  • US2268728A - Shearing mechanism : en
  • DE715844C - Process for dewatering peat : de en
  • US2269140A - Modulation circuit organization : en
  • US2269153A - Distillation apparatus : en
  • GB542400A - Improvements in the treatment of textile materials : en
  • US2269119A - Shovel attachment : en
  • US2269228A - Fixture stud for outlet boxes : en
  • CA402021A - Electric wave filter : en fr
  • DE715641C - Facility for showing orthostereoscopic cinema sound films : de en
  • CA402125A - Shoe inside drying device : en fr
  • DE715962C - Trailer hitch with device for trailer pull : de en
  • DE715932C - Power-driven address printing machine : de en
  • US2268598A - Lifting and/or holding device : en
  • DE715667C - Quick release release for steam or gas turbines : de en
  • DE715918C - Elastic storage : de en
  • AU442740A - Improvements in or relating to bandpass filters : en
  • CA401961A - Turbine blade : en fr
  • US2268753A - Juice extractor : en
  • USD131047S - John lagana : en
  • DE715822C - Process for the production of anhydrous, therapeutically effective heavy metal oleosols or heavy metal oxide oleosols : de en
  • US2268714A - Tool sharpening and gauging machine : en
  • US2269388A - Extrusion molding machine : en
  • US2268830A - Discharge tube arrangement : en
  • US2268980A - Web tension apparatus : en
  • US2268682A - Well surveying instrument : en
  • CA402040A - Binder tab for web rolls : en fr
  • DE714343C - X-ray device for diagnostic purposes with a common primary winding on the high-voltage and glow current transformer : de en
  • DE715627C - Nebulizer : de en
  • DE715786C - Ventilation valve for the storage tank of pressure fluid for brake systems in aircraft : de en
  • FR868621A - Cooled injector valve : en fr
  • DE715693C - Process for the production of pulp from wood : de en
  • DE715960C - Photographic camera with interchangeable lenses and range finder : de en
  • US2269232A - Pen : en
  • DE715947C - Magnetic core composed of individual magnetic sheets coated with an aluminum oxide layer : de en
  • GB542437A - Improvements in and connected with air screws : en
  • FR868572A - Demountable hut in pressed sheet metal : en fr
  • US2268848A - Apparatus for making strings : en
  • FR868602A - Aircraft running wheel brake can be operated from two different locations : en fr
  • GB542356A - Improvements relating to electronic amplifiers : en
  • GB542364A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • FR868526A - Apparatus with ejector and hopper for driving a powder by suctioning a liquid stream : en fr
  • US2268668A - Container and method of making the same : en
  • DE715576C - Ball joint coupling : de en
  • DE715885C - Self-sellers of consumables : de en
  • GB542349A - Improvements in knitted asbestos fabrics : en
  • US2268736A - Water-dispersible vitamin-containing composition and cosmetic including the same : en
  • US2268950A - Station indicating means for automatic tuners : en
  • US2268998A - Reducing disturbances in radio reception : en
  • FR868551A - Sugar substitute and its manufacturing process : en fr
  • FR868590A - Continuous furnace for the treatment of objects in a protective gas atmosphere : en fr
  • DE715744C - Thread measuring device for spinning, twisting and similar machines with moving thread guides : de en
  • FR868544A - Manufacturing process of agglomerates for gasifiers : en fr
  • DE715705C - Process for cleaning starch syrup and starch sugar juices : de en
  • US2268719A - Traffic signal : en
  • US2269349A - Cooking range : en
  • US2268722A - Railway car jack : en
  • US2268650A - Equalizer for twin-crank pumping units : en
  • USD130993S - Design for a dental forceps : en
  • FR868632A - Camera having a light meter coupled with it : en fr
  • GB542376A - Improvements relating to reciprocating screens : en
  • US2268891A - Driving mechanism for sheets or bands : en
  • US2269112A - Coffee maker : en
  • US2269216A - Polyvinyl acetal resin : en
  • US2268718A - Carbon pile electric regulator : en
  • USD131012S - Zahn dress ensemble : en
  • US2268653A - Apparatus and process for purifying airplane engine oil : en
  • US2269315A - Process for the removal of metallic elements from water : en
  • US2269368A - Hydraulic feeding mechanism : en
  • DK59362C - Procedure and Installations for the Production of Ammonium Nitrate. : da en
  • US2269068A - Travel indicator for ships : en
  • US2269126A - Frequency modulation monitoring : en
  • AU114418B2 - Improvements in water purification apparatus : en
  • US2269292A - Railway traffic controlling apparatus : en
  • DE680677C - Device for the execution of the process for the production and post-treatment of endless artificial fiber strands in a continuous operation : de en
  • CA401990A - Meter magnet protection : en fr
  • CA402112A - Capillary active organic derivative : en fr
  • US2268957A - System for supplying and metering liquid fuel to motors : en
  • US2269134A - Desalting and demulsifying compound for petroleum emulsions : en
  • DE715737C - Silencer for the exhaust of internal combustion engines : de en
  • DE715752C - Process for dipping pipes and lining the inside of the pipe with a bituminous compound : de en
  • US2268724A - Transfer device for conveyers : en
  • US2268778A - Space heater : en
  • US2269302A - Manufacture of gasoline : en
  • CA401943A - Straw bundler : en fr
  • US2269353A - Surgical truss structure : en
  • US2269393A - Procedure and apparatus for controlling the treatment of flowing material : en
  • US2269407A - Addition agent and its use in the treatment of iron and steel : en
  • AT160751B - Process for molding objects. : de en
  • US2268625A - Method and means for applying reinforcing strip or tape : en
  • US2269019A - Warning device : en
  • US2269166A - Polyvinyl acetal resin : en
  • US2268690A - Coin bank : en
  • US2268885A - Shelf evaporator : en
  • US2269322A - Combined cap and eyeshield : en
  • US2269313A - Method of making double walled articles and the like : en
  • DE715975C - Device for introducing thermocouples in high pressure vessels for the pressure hydrogenation of coal and other fuels : de en
  • FR868614A - Snap-release coupling for internal combustion engine ignition devices : en fr
  • CA402099A - Door latch : en fr
  • FR868615A - Iron Laminated Core Cylindrical Coil : en fr
  • GB542379A - Improvements in or relating to reinforced plastic materials : en
  • FR868627A - Method of axial fixing of round parts by means of a clamp : en fr
  • US2268923A - Combined ground working and soil pulverizing machine : en
  • US2269339A - Circuit interrupter : en
  • DE715944C - High pressure electric discharge tubes for lighting and radiation purposes : de en
  • US2268782A - High frequency iron core : en
  • US2269326A - Snowplow : en
  • DE715961C - Device for attaching films to the film spool core : de en
  • US2269017A - Necktie form : en
  • DE715643C - Equipment for loading slewing excavators and slewing cranes running on crawlers : de en
  • US2268883A - Concrete form tie : en
  • DE715628C - Device for heating the drying air of hair drying hoods : de en
  • DE715958C - Roller dryer for potato flake production : de en
  • DE715949C - Extraction container for leather degreasing : de en
  • USD130994S - Design fob a doll : en
  • CA402056A - Hook and shackle : en fr
  • CA402111A - Sulphonated capillary active organic compound : en fr
  • US2268858A - Blind and curtain : en
  • US2269035A - Educational internal combustion engine : en
  • US2269069A - Electric motor : en
  • US2269230A - Electrical cable : en
  • US2269391A - Machine for molding glass articles : en
  • USD131048S - Combined dial and hands for a clock or similar article : en
  • DE715892C - Automatic ball coupling : de en
  • GB542383A - Improvements in life-saving jackets : en
  • US2269040A - Storage battery : en
  • US2269048A - Hand covering : en
  • CA401983A - Liquid film seal : en fr
  • CA402092A - Electric precipitator electrode rapping mechanism : en fr
  • US2268822A - Ceiling construction : en
  • US2268972A - Projector : en
  • US2269028A - Execution of catalytic conversions in the presence of ferrous metals : en
  • US2268734A - Method and means for packaging beverages : en
  • CA402121A - Cellulosic thread, etc. : en fr
  • US2269143A - Communication system : en
  • US2268797A - Fruit branding machine : en
  • CA402019A - Electrical equipment : en fr
  • US2268565A - Method of making composite bearing metal and products thereof : en
  • US2269370A - Folding table : en
  • US2268591A - Gasifying burner : en
  • US2268798A - Pyrrole methine and tri-methine cyanine backing dyes : en
  • DE715713C - Threshold-free shelter door : de en
  • US2269097A - Transfer pump : en
  • DE715635C - Pyrophoric lighter with a soft elastic stop for the spin-on lid designed as a wick cap holder : de en
  • US2269056A - Detachable conveyer flight : en
  • US2269305A - Drag testing device : en
  • US2268547A - Reel holder : en
  • US2269088A - Hosiery : en
  • GB542395A - Improvements in the tuning arrangements of radio receivers : en
  • DE715866C - Circuit arrangement for issuing an alarm from a central point via a large number of double lines : de en
  • USD131016S - Design fob a mute fob a wind musical instrument : en
  • US2269397A - Composition of matter : en
  • US2268648A - Treatment of artificial filaments, yarns, and other materials made of cellulose derivatives : en
  • FR868599A - : fr
  • US2268661A - Tube mill : en
  • US2269096A - Cement powders and method of producing acidproof mortars therefrom : en
  • US2269194A - Electric heater : en
  • US2269240A - Recording instrument : en
  • GB542423A - Improvements in and relating to roller window blinds : en
  • US2268968A - Hydraulic steering mechanism : en
  • USD130995S - Design fou a display case : en
  • US2268608A - Lubricants : en
  • US2268836A - Motor vehicle accessory : en
  • US2269016A - Magnetic valve : en
  • GB542384A - Improvements in and relating to reinforced block work girders or beams : en
  • DE715782C - Device for edging with tape thickened seams : de en
  • FR868616A - Lead-acid accumulator : en fr
  • DE715687C - Process for the polymerization of halo-2-butadiene-1,3 : de en
  • DE715734C - Device for slot-controlled two-stroke internal combustion engines to link the flushing flow to the wall : de en
  • GB542429A - Improvements in or relating to internal combustion engines : en
  • DE715535C - Air heating for motor vehicles : de en
  • US2268651A - Adhesive lacquer : en
  • US2268930A - Mortising gauge : en
  • USRE21996E - Dowel means fob roadway joints : en
  • US2269057A - Spraying device : en
  • US2269188A - Fastener : en
  • US2268564A - Process of producing cellulose derivatives : en
  • US2269206A - Relay : en
  • AU114450B2 - Improvements in or connected with pig-rings or the like : en
  • US2269027A - Device which enables dressings or plasters to be kept at a constant degree of radioactivity : en
  • US2268636A - Means for connecting metal sheets : en
  • DE715771C - Method for opening knitted hosiery with high heel and sole parts connected by removable dividing rows onto two parallel rows of opening needles : de en
  • FR868619A - Regulating device for internal combustion engines with injection : en fr
  • SE103400C1 - : en
  • US2268767A - Trouser guard machine : en
  • US2269160A - Dynamoelectric machine : en
  • DE715759C - Process for removing the catalyst for the synthesis of gasoline from the contact furnace : de en
  • US2269114A - Cable terminal : en
  • DE715915C - Spark gap arrangement : de en
  • GB542418A - Improvements in and relating to turning machines and tools therefor : en
  • GB542406A - Improvements in and relating to electric terminals and couplings : en
  • US2268693A - Conveying apparatus : en
  • US2269115A - Cathode-ray tube : en
  • US2268997A - Railway truck : en
  • US2269195A - Electric heater : en
  • DE715911C - Rail contact device with contact-making liquid column for railway safety devices : de en
  • GB542389A - Improvements in or relating to electron discharge apparatus : en
  • CA402006A - Tension control for rolling mills : en fr
  • US2268649A - Manufacture of artificial filaments, yarns, foils, and similar materials, made of cellulose or cellulose derivatives : en
  • AU122702B2 - Fuel Containers : en
  • DE715732C - Single rope grab : de en
  • FR868505A - Discharge tube, in particular for ultra-short waves and of the order of the decimeter : en fr
  • AU234741A - Slider for separable sliding clasp fasteners : en
  • US2268559A - Steam boiler : en
  • US2269091A - Welding machine : en
  • US2268549A - Apparatus for indicating efficiency : en
  • US2268918A - Rocking electric furnace ventilating system : en
  • US2268615A - Process for obtaining deoxidized copper : en
  • US2269164A - Coin-controlled vending machine : en
  • US2269124A - Catheter holder : en
  • US2269138A - Antifreeze composition : en
  • US2269319A - Cabinet : en
  • CA401944A - Life preserver belt : en fr
  • US2269276A - Carburetor : en
  • DE715694C - Double camera : de en
  • US2268865A - Method of manufacturing raw edge belts : en
  • US2268873A - Article dispensing device : en
  • CA401975A - Electric switch control : en fr
  • DE715773C - Device for cutting pies, cakes, etc. like : de en
  • DE715819C - Backfire protection for power converters, especially mercury vapor rectifiers : de en
  • CA402067A - Protected metal article : en fr
  • US2269356A - Automatic lighter : en
  • US2268546A - Glass furnace : en
  • US2268683A - Rattle : en
  • US2269347A - Shellac-cashew nut shell liquid material reaction product : en
  • DE715895C - Device for preventing fogging of the windshield of motor vehicles : de en
  • US2269342A - Inflatable rubber goods : en
  • DK59363C - Magnetoelectric Generator. : da en
  • GB542401A - Improvements in methods and means for burnishing spherical seats : en
  • CA401977A - Press welding machine : en fr
  • FR868561A - Sophisticated plant for the production of gas for driving automotive engines and other applications : en fr
  • CA402076A - Car roof hatch : en fr
  • AT160750B - Secondary electron amplifiers. : de en
  • US2268717A - Method and apparatus for manufacturing pottery ware : en
  • CA401966A - Photographic bath : en fr
  • AU114415B2 - Evaporator for refrigerators : en
  • US2269042A - Harvesting machine : en
  • US2269187A - Halogenated benzoic ester : en
  • US2269311A - Abrading machine : en
  • US2268785A - Dew point recorder and indicator : en
  • US2268962A - Trolley frog : en
  • US2268857A - Oil burning heater : en
  • US2268934A - Article holder : en
  • US2269316A - Ammunition for small arms : en
  • FR868537A - New liquid fuel for internal combustion engines : en fr
  • CA402055A - Liquid refrigerating apparatus : en fr
  • CA402034A - Radiofrequency multiplier amplifier : en fr
  • US2269341A - Message transmission device : en
  • AT160743B - High-frequency induction coil, the winding of which is fixedly arranged on a magnetizable earth core. : de en
  • AT160745B - Secondary electron amplifiers. : de en
  • DE715706C - Fan screw for turning grainy goods, especially barley and malt : de en
  • FR868592A - Acetylene producer for use in internal combustion engines : en fr
  • AT160758B - Door or window covering, in particular for air raid shelters. : de en
  • FR868503A - Automatic adjustment of the amplification level of the carrier frequency amplifiers : en fr
  • DE715658C - Shirt whose collar is detachably connected to the collar of the shirt : de en
  • AU114449B2 - Production of photochemical inhibitors incorporated in rubber hydrochloride : en
  • CA401997A - Screw stick : en fr
  • DE715679C - Ampoule and its use syringe : de en
  • US2269049A - Fan : en
  • FR868587A - Plate straightening machine : en fr
  • DE715919C - Cardan bearing of threaded spindles : de en
  • GB542377A - Improvements in or relating to apparatus for fixing closures onto bottles and like containers : en
  • GB542411A - Improvements in and relating to holders or carriers for gramophone records : en
  • DE715831C - Stand drill with a support device that can be rotated around the stand in a horizontal plane : de en
  • DE715945C - Arrangement for setting any freezing temperatures in cold traps, especially in cold traps that are used for the production of gas-filled electrical discharge vessels : de en
  • CA402109A - Stock quotation transmitting and receiving system : en fr
  • DE715686C - Process for the production of heavily weighted films from polyisoolefins : de en
  • DE715856C - Spark plug : de en
  • DE715967C - Shipping box for show figures : de en
  • DE715923C - Arrangement of cartridge cases or empty belt containers in combat posts of aircraft : de en
  • US2269118A - Fountain pen clip : en
  • DE715927C - Device for machine cutting of floating warp threads : de en
  • CA402097A - Fastener lock slider : en fr
  • US2268628A - Machine for bending metal gutter hangers : en
  • US2269168A - Apparatus for manufacturing screw sticks : en
  • US2268582A - Ornamenting machine : en
  • FR868553A - Improvements to bicycles : en fr
  • US2269386A - Traffic control time indicator : en
  • FR868613A - Control device for pressurized fluid brakes : en fr
  • US2268562A - Process of and apparatus for fabricating glass run guides : en
  • US2268819A - Waste and overflow valve : en
  • US2268921A - Double gripper cylinder : en
  • DE715978C - Switching valve for pressure gas switch : de en
  • GB542438A - Apparatus for handling flowing molten glass : en
  • FR868567A - : fr
  • GB542425A - Improvements in or relating to pyrophoric lighters for cigarettes and the like : en
  • DE715948C - Process for the production of metal-containing azo dyes : de en
  • GB542407A - Improvements in or relating to clutch plates : en
  • US2268641A - Reed for musical instruments : en
  • US2269181A - Gas turbine driven supercharger : en
  • DE715753C - Additional device for processing dough, especially when preparing foams : de en
  • US2268632A - Method of plotting great circle courses and apparatus : en
  • US2268729A - Box toe and method of making the same : en
  • US2269259A - Mixing device : en
  • US2269284A - Signal translating apparatus : en
  • CA401976A - Stainless steel passivation : en fr
  • AU443440A - Improvements in or relating to indicating meters particularly for radio navigational purposes : en
  • US2269192A - Denatured alcohol containing an alkyl furoate : en
  • US2269207A - Tube lubricator : en
  • US2269409A - Wire holder : en
  • GB542391A - Improvements relating to the electro-pneumatic control of apparatus operated by fluid under pressure : en
  • FR868522A - Phenol or cresol based pressing resins : en fr
  • US2269224A - Method of welding : en
  • USD131023S - Plate or analogous article : en
  • US2269045A - Clock and watch : en
  • US2268689A - Tractor operated loader : en
  • US2268708A - Lamp holder : en
  • US2268954A - Air cooling device for internal combustion engines : en
  • FR868597A - Loading device for pneumatic dryers : en fr
  • US2268895A - Conveyer switch : en
  • US2268958A - Luggage carrier : en
  • US2269414A - Multiple recording galvanometer : en
  • US2268961A - Vessel for containing high pressure fluids : en
  • USD130990S - Supporting stand for ironing machines or other articles : en
  • AT160763B - Control device for the pressure medium of a switching device for change gears, in particular of motor vehicles. : de en
  • US2268931A - Audio amplifier analyzer : en
  • US2269080A - Roller skate : en
  • US2268744A - Truck : en
  • USD131014S - Design fob a bracelet : en
  • CA402117A - Drying oil : en fr
  • FR868642A - Mounting of trunk stations for long distance lines with wire end mounting for carrier frequency : en fr
  • US2268993A - Collapsible tube : en
  • GB542456A - Improved food storage receptacle for refrigerators : en
  • US2268713A - Fixture for electric lights : en
  • US2268913A - Lead pigment : en
  • US2269264A - Swing lock fastener : en
  • US2268889A - Railway truck : en
  • US2269173A - Method and means for storing refrigerants : en
  • AT160755B - Method for operating internal combustion engines used to drive vehicles, in particular aircraft. : de en
  • DE715637C - Hand turning device for re-turning of brake linings applied to brake shoes : de en
  • DK59367C - Method for the manufacture of lamp sockets of hard glass or quartz glass and method for the manufacture of capillary tubes with two channels for use in the manufacture of lamp sockets. : da en
  • US2268667A - Refrigeration apparatus for trucks and trailers : en
  • US2268926A - Cigarette package : en
  • USRE21994E - Method of hair waving : en
  • US2269225A - Electrostatic metering apparatus : en
  • US2268658A - Quill with small caliber tubing inserted therein : en
  • US2268796A - Sectional derrick : en
  • US2269271A - Luggage manufacture : en
  • DE715974C - Tool container : de en
  • US2268599A - Abrading tool : en
  • US2269150A - Wire coating device : en
  • US2268656A - Steam jet ejector : en
  • US2269127A - Valve : en
  • US2269243A - Preparation of oils containing antioxidants : en
  • US2268663A - Abrasive tool : en
  • USD131039S - Design for a shoe heel : en
  • CA401941A - Dental engine : en fr
  • DE715894C - Mechanical brake compensation for brake rods of vehicles : de en
  • US2269052A - Nutcracker : en
  • US2269239A - Railway traffic controlling apparatus : en
  • US2269325A - Translucent element and locking means therefor : en
  • USD131004S - Design for a dress : en
  • US2268845A - Sandwich container : en
  • CA402064A - Change speed transmission mechanism : en fr
  • CA402048A - Perforated record interpreting and printing machine : en fr
  • CA402018A - Phenol separation : en fr
  • US2268700A - Incandescent electric lamp : en
  • US2269200A - Method of manufacturing elastic fluid turbine buckets : en
  • CA402005A - Tension control system : en fr
  • US2269104A - Internal combustion engine : en
  • USD131026S - Conduit receptacle or similar article : en
  • CA402017A - Parasiticidal preparation : en fr
  • CA402104A - Yarn and foil production : en fr
  • US2269318A - Injector : en
  • CA402103A - Yarn package holder : en fr
  • US2269290A - Speed-change mechanism : en
  • AT160769B - Device for performing multiplications. : de en
  • FR868580A - Polycylindrical injection engine : en fr
  • DE715860C - Screw pump : de en
  • FR868623A - Gear train for motor operated hand devices : en fr
  • GB542374A - Collection of index-cards for homeopathic repertorial research : en
  • CA402038A - Wire strapping tool : en fr
  • US2269402A - Method of purifying ethyl lactate : en
  • CA401995A - Film handling apparatus : en fr
  • DE714935C - Flow packing valve for explosives lines : de en
  • US2269186A - Resinous composition : en
  • US2268594A - Process of letterpress printing : en
  • US2269387A - Furnace : en
  • CA402020A - Television system : en fr
  • DE715940C - Method and device for the dust-proof storage, transport and unloading of wire coils for electric light bulbs or discharge vessels : de en
  • CA402123A - Cellulose derivative : en fr
  • CA402068A - Offset lithographing press : en fr
  • CA402113A - Expansion joint : en fr
  • US2269155A - Roughage mill distributing spout : en
  • US2268802A - Driving mechanism : en
  • US2268919A - Polyazo dyestuffs and process of making same : en
  • DE715684C - Process for the manufacture of objects from synthetic resin : de en
  • FR868646A - Device for compensating for errors of bearing repeating periodically and preferably every eighth of a circle : en fr
  • AU219541A - Gyratory screen : en
  • DE715896C - Locking device for ship hatch cover : de en
  • DE715985C - Electrical system for motor vehicles : de en
  • CA401956A - Corn picking machine : en fr
  • DE715646C - High pressure transfer pump for alternating use for two or more different gases : de en
  • US2269020A - Variable speed power transmission : en
  • US2269172A - Apparatus and process for storage of dry ice : en
  • US2268659A - Splicing tool : en
  • CA401926A - Broiler : en fr
  • CA401932A - Overhead sliding door : en fr
  • DE715657C - Electrically heated waffle iron or baking pan with a collecting channel on the edge : de en
  • DE715751C - Fuel injection system for internal combustion engines : de en
  • DE715769C - Safety device for heating systems with circulation pump : de en
  • US2269075A - Directive antenna system : en
  • US2268835A - Miter box : en
  • CA402066A - Arc starting electrode : en fr
  • USD131028S - Design fob a receptacle for cosmet- ics and other articles : en
  • DE715698C - Turntable steering for four-axle road or rail vehicles with single bogies : de en
  • DE715708C - Short-time switching device using controlled power converters : de en
  • IE17405L - Electro-pneumatic control apparatus : en
  • CA401964A - Copper-zinc alloy : en fr
  • US2269117A - Ticket collecting apparatus : en
  • CA402003A - Phase and polarity reversing network : en fr
  • US2268909A - Coupling : en
  • CA402024A - Electron device : en fr
  • US2269142A - Communication system : en
  • CA402089A - Thin wall tube : en fr
  • US2269133A - Buffing machine : en
  • CA402085A - Garment pressing machine : en fr
  • DE715793C - Process for making baked goods from yeast dough : de en
  • CA401945A - Unitary dental apparatus : en fr
  • CA401958A - Calculating and accounting machine : en fr
  • CA402058A - Foldable cot : en fr
  • US2269116A - Device for the formation of tobacco layers : en
  • CA402012A - Venetian blind tilting mechanism : en fr
  • CA402015A - Electric welding system : en fr
  • DE715655C - Process for the production of a fluorescent layer : de en
  • US2269260A - Duplex concealed hinge : en
  • CA401933A - Patch making tool : en fr
  • US2269212A - Bag with channeled frame : en
  • US2269338A - Flash-producing system : en
  • DE715887C - Lubricating oil filter, especially for lubricating oil from internal combustion engines that is saturated with dust : de en
  • GB542393A - Improvements in electric discharge apparatus : en
  • US2268820A - Machine for cutting articles : en
  • CA402073A - Alarm signal system : en fr
  • DE715893C - Cushioning, especially for motor vehicles : de en
  • AT160741B - Monitoring circuit to prevent false signals from being displayed in overhead warning systems. : de en
  • US2268550A - Switch and rheostat : en
  • US2268775A - Drill bit : en
  • US2269089A - Knitted fabric : en
  • CA402023A - Light sensitive electrode : en fr
  • USD131051S - Design fob a textile fabric : en
  • US2268543A - Method of assembling fluid operated pumps : en
  • US2269405A - Method and apparatus for winding coils : en
  • CA402031A - Scanning current generator : en fr
  • US2268771A - Collapsible drape stand : en
  • US2268851A - Laundry tub : en
  • US2269113A - Glove compartment and blank for forming same : en
  • GB542370A - Improvements in dynamo-machines having permanent magnet excitation : en
  • DE715756C - Laundry corner device : de en
  • US2268963A - Decoy stabilizer and anchor : en
  • US2269209A - Double-walled compartment for high altitude aircraft : en
  • USD131042S - Baffle board panel for radios or the like : en
  • DE715718C - Process for the preparation of sulfonic acids from ª ‰ -Ketosaeurearyliden : de en
  • DE715730C - Brewing device for coffee with removable filter sieve container : de en
  • FR868569A - Passive defense lighting method and its use in the discovery and pursuit of enemy objectives : en fr
  • GB542329A - Twin lens camera with photoelectric exposure meter : en
  • GB542340A - Improvements in radiators for use more especially with motor vehicles : en
  • US2268938A - Electric contacting element : en
  • DE715913C - Compressed air drive for electrical switches with stepped pistons : de en
  • US2268886A - Calculating device : en
  • GB542371A - Improvements in or relating to injection nozzles for internal combustion engines : en
  • GB542444A - Improvements in or relating to the manufacture of fluid compositions comprising polymeric materials : en
  • DE715800C - Device for optional post-treatment of stacks or endless synthetic fiber strips : de en
  • US2269330A - Counter : en
  • US2268843A - Furniture construction and method : en
  • US2268928A - Fountain toothbrush : en
  • CA401922A - Sleigh runner attachment : en fr
  • CA402001A - Photographic objective : en fr
  • DE715717C - Process for the preparation of the dicalcium salt of natural creatine phosphoric acid : de en
  • US2269046A - Apparatus for screening sand and gravel mixtures : en
  • GB542333A - Improvements in machines for harvesting root crops : en
  • US2268746A - Corn and callous pad : en
  • US2268906A - Box : en
  • US2268935A - Dyestuffs of the triazol series and process of making same : en
  • US2268612A - Follow-up device : en
  • US2269249A - Controlled feedback circuit : en
  • US2268762A - Heater : en
  • FR868550A - Process for manufacturing lean gas with natural wood in a reverse combustion gasifier : en fr
  • DE715849C - Circuit arrangement with pulse-controlled selection devices and control acknowledgment switches : de en
  • US2268949A - Die casting machine : en
  • DE715955C - Process for the production of a sealing ring, which consists of three spring-loaded segments with mutually touching, approximately tangential to the bore end faces, the height of which decreases continuously over the entire length of the segment : de en
  • DE715984C - Steering device for sprung vehicle steering cranes : de en
  • USRE21997E - Method of making sinks : en
  • DE715652C - Eddy current tachometer : de en
  • US2268804A - Aircraft fuel pump : en
  • USD131030S - Combined handles, escutcheons, and corner plates for a casket or similar article : en
  • US2268814A - Anthrapyridone compound and material colored therewith : en
  • US2268581A - Poultry plucking machine : en
  • DE715736C - Air-cooled internal combustion engine : de en
  • FR868530A - Electric detonator : en fr
  • DE715946C - Ignition device for vacuum discharge vessels with liquid cathode : de en
  • CA402059A - Mirror manufacture : en fr
  • IT391205B - : it
  • US2268966A - Animal trap : en
  • US2269099A - Heat transfer system : en
  • US2269199A - Duplicator : en
  • CA401950A - Shackle : en fr
  • US2268568A - Material handling apparatus : en
  • US2268642A - Composition in cream form adapted to remove hardened liquid nail polish and method of making same : en
  • US2269077A - Separating table : en
  • US2268633A - Coffee maker : en
  • USD131011S - Design for an ash tray : en
  • US2268829A - Wringer : en
  • US2269408A - Gain control circuits : en
  • US2268904A - Combined pull-to and latch lever for vehicle doors : en
  • US2268969A - Protective cage for bowling alleys : en
  • FR868570A - Motor by pumps : en fr
  • DE715811C - Process for the production of gunpowder from nitrocellulose : de en
  • GB542428A - Improvements relating to die and plunger mechanism for pie and the like shell forming machine : en
  • US2269396A - Material for destroying vegetation : en
  • US2268953A - Locomotive brake control attachment : en
  • DE715959C - Cassette for X-ray sensitive material : de en
  • US2268884A - Vapor lock eliminator : en
  • US2269152A - Foil gauge : en
  • US2268637A - Adjustable partition : en
  • US2268674A - Process for softening paper : en
  • US2269030A - Torpedo : en
  • US2269111A - Coffee maker : en
  • FR868624A - Starting device for internal combustion engines : en fr
  • FR868547A - lock nut : en fr
  • DE715789C - Cable fastening with rotatable and adjustable fixing of brake cables, especially on brake levers for cable brakes on vehicles : de en
  • DE715971C - Adjustable quick release hook wrench : de en
  • US2269233A - Electrical conductor : en
  • US2269294A - Power control : en
  • FR868565A - Chain stitch sewing machine : en fr
  • AU123841A - Evaporator for refrigerators : en
  • FR868591A - Improvements to gas cleaning in wood-burning gasifiers : en fr
  • US2268791A - Color correction : en
  • US2269033A - Cushioning device : en
  • US2269238A - Railway traffic controlling apparatus : en
  • US2268567A - Process of refining oils containing free fatty acids : en
  • US2269413A - Garment hanger : en
  • FR868618A - Electric pinion starter : en fr
  • DK59373C - Stamping or Franking machine. : da en
  • DE715816C - Heat exchangers used in particular to generate steam for high heating gas pressures and heating gas speeds : de en
  • FR868532A - Method of electro-magnetic tracking of aircraft; realizations and applications of said method : en fr
  • GB542415A - Improvements in photographic cameras : en
  • DE715668C - List cutting device for the continuous paper web in type printing apparatus : de en
  • DE715908C - Process for the desulfurization of iron or iron alloys : de en
  • GB542381A - Process for treating nuts to soften the shells : en
  • US2269120A - Undergarment : en
  • USD131031S - Idesign for a clock ob similar article : en
  • USD131049S - Design fob a lace : en
  • GB542326A - Improvements in or relating to the production of artificial filaments : en
  • US2268638A - Shaker conveyer : en
  • US2268792A - Radio receiver : en
  • US2268750A - Welt hook : en
  • US2269053A - Air conditioning system : en
  • US2269418A - Means for lining tunnels or subterranean passages : en
  • CA401939A - Basin forming agricultural implement : en fr
  • US2268872A - Variable frequency oscillation generator : en
  • AT160764B - Device for measuring speeds or accelerations. : de en
  • DE715363C - Headlights : de en
  • FR868533A - Electromagnetically or acoustically controlled downhole mine : en fr
  • US2269227A - Short range electrical measuring apparatus : en
  • DE715851C - Arrangement for the regulation of several parallel working, spatially adjacent, grid-controlled rectifiers : de en
  • US2268898A - Fluid motor : en
  • USD131033S - Monoscofe electrode plate : en
  • CA401974A - Built-up crankshaft : en fr
  • DE715807C - Grinding wheel made of vitrified bonded grain of various sizes : de en
  • US2268839A - Wheel disk and assembly : en
  • USD131046S - Automobile or similar article : en
  • FR868628A - Screw-in device with overload coupling, loaded by one or more springs : en fr
  • FR868633A - Rangefinder : en fr