• CH219080A - Degassing and dehumidifying device for closed rooms. : de en
  • US2271156A - Multiple compartment food container : en
  • US2271184A - Staple fiber and yarn : en
  • BE443625A - : en
  • CH219320A - Process for the production of luminous screens. : de en
  • AU117165B2 - Improved topical remedy for internal application : en
  • CH219223A - Method and apparatus for sharpening razor blades. : de en
  • US2270971A - Method and apparatus for crimping box straps : en
  • CA402568A - Store furniture : en fr
  • SU60736A1 - Gramophone : en ru
  • DE716729C - Electrically illuminated direction indicator that switches on automatically when in use : de en
  • US2271260A - X-ray transformer housing : en
  • US2271340A - Shutter and flash synchronizer for cameras : en
  • DE716907C - Paddle wheel ship propeller : de en
  • CA402505A - Acetylene generator : en fr
  • CH219167A - Process for the production of printing forms from colloids. : de en
  • CH219163A - Cinema projector with constantly moving film tape and optical compensation for image wandering. : de en
  • CH219215A - Device for butt welding of sheet metal. : en fr
  • CH219329A - Hook for mounting and securing anti-slip chains on vehicles. : en fr
  • PL30292B1 - : en pl
  • US2270854A - Cylinder dressing tool : en
  • US2271250A - Bin equipment : en
  • FR869317A - Car suspension system : en fr
  • US2271157A - System for burning bark : en
  • DE716895C - Car bodies, especially for motor vehicles : de en
  • BE443410A - : en
  • CH219120A - Compound needle for picking up ladder stitches, especially on women's stockings. : de en
  • CA402575A - Mixing and kneading machine for plastic explosives : en fr
  • DE716848C - Electric musical instrument for the optional generation of continuous and decaying tones : de en
  • DE716751C - Closed hull motor vehicle : de en
  • AU114538B2 - Improvements relating to water, oil or other liquid coolers : en
  • PL30261B1 - : en pl
  • US2271147A - Fruit jar cover tool : en
  • ES148756A1 - A PROCEDURE TO OBTAIN PLANTS FOR ROOFING : en es
  • ES148783A3 - IMPROVEMENTS IN THE LIQUID FUEL BURNERS : en es
  • CH219343A - Valve arrangement on pumps. : de en
  • CA402569A - Television system : en fr
  • US2270963A - Folding machine : en
  • GB542830A - Improvements in and relating to lubricating systems : en
  • FR869379A - Method of treatment of heating surfaces affected by flue gases, in particular in boilers : en fr
  • GB542736A - Process for the manufacture of 2-methyl-4, 6-dioxo-5-iodo-tetrahydropyridine-1-acetic acid : en
  • US2271279A - Flexible container, closure means therefor, and manufacture thereof : en
  • FR869194A - Process for preparing a product containing amino acids : en fr
  • BE443828A - : en fr
  • CA402443A - Car truck stabilizer : en fr
  • CH219185A - Liquid meter. : en fr
  • SU60628A1 - Electromechanical calculating machine : en ru
  • US2270878A - Rib stitching clip : en
  • CH219293A - Contact converter system with smoothing capacity on the direct current side. : de en
  • DK59436C - Heat exchange device. : da en
  • US2270916A - Operating apparatus for grabs or the like : en
  • CH219152A - Valve bag made of film-shaped material. : de en
  • CH219298A - Apparatus for the detection and correction of displacements of the individual vertebrae of the human spine. : de en
  • US2271069A - Screen wardrobe : en
  • US2271275A - Antiskid device : en
  • USD131238S - Design for a brooch or similar article : en
  • BE443918A - Process for preparing organic derivatives of sulfuric acid : en fr
  • PL30304B1 - A method of removing salts and acids, except silicic acid, from a liquid, especially water : en pl
  • SU60664A1 - The holder of the brake and fabric for sewing on button closure machines to the tent cloth, etc. : en ru
  • USD131256S - Design for a display board or the like : en
  • CH219069A - Masonry wall and method of making same. : de en
  • DE716628C - Control device for piston compressor : de en
  • DE716682C - Self-supporting waveguide with transverse grooves arranged at greater distances than the groove width for electrical lines and cables, especially for concentric high-frequency cables : de en
  • DE716801C - Thick fabric for semi-rigid items of clothing : de en
  • DK59438C - Apparatus for applying toe- and back-caps to footwear an evaporable stiffener or adhesive. : da en
  • DE716782C - Towing device for motor vehicles with a winding device arranged in the middle of the rope : de en
  • GB542791A - Improvements in laminated blades for airscrews : en
  • US2270948A - Map holder : en
  • US2271307A - Thermal operator : en
  • US2271452A - Ski harness : en
  • DE708778C - Device for introducing objects into the electron microscope : de en
  • FR869290A - Device for obtaining, without any external help and at a desired time, the heating or cooling of any substance, solid or fluid : en fr
  • GB542777A - Improvements in or relating to receivers for start-stop printing telegraph signals : en
  • DE716793C - Harmonic compensation for networks with asymmetrical harmonic load : de en
  • US2271468A - Water soluble polyvinyl alcohol softened with beta-hydroxy-alkyl ammounium salt : en
  • DE716651C - Twin treatment plant for cleaning waste water : de en
  • ES148826A3 - AN IMPROVEMENT IN SHAVING MACHINES : en es
  • FR869262A - Advanced shell for molding pistons for internal combustion engines : en fr
  • GB542896A - Improvements in spills and in devices for the production thereof : en
  • GB542817A - Improvements in aircraft alighting gear : en
  • CH219237A - Lockable freewheel. : de en
  • US2271094A - Method and apparatus for coating materials and articles : en
  • US2271427A - Hoist crane construction : en
  • USD131268S - Design for a brooch or similar article : en
  • GB542739A - Improvements in telephone sub-stations : en
  • ES148789A1 - ELECTRIC SWITCH OF LITTLE ADDED APPLIANCE : en es
  • CA402477A - Telemetric system : en fr
  • DK59439C - Automatic firearm with heavy load. : da en
  • CA402522A - Antenna network for vehicle guiding systems : en fr
  • DE716659C - Printing business machine controlled by number cards with a printing unit for printing letters and numbers : de en
  • DE716677C - Send arrangement for generating click-free guide beams : de en
  • DE716712C - Goniometer bearing system : de en
  • DE716855C - Arrangement for receiving impulses in telegraphy remote dialing and remote control systems : de en
  • DK59437C - Nameplate with interchangeable Types. : da en
  • US2271067A - Knotter for neckties : en
  • FR869367A - Seal ring, more specifically ring ready for installation : en fr
  • GB542749A - Improvements in or relating to cutters for surgical plaster casts : en
  • FR869177A - Device for air or gas scrubbers of the cyclone type : en fr
  • US2271212A - Treatment of plant growths : en
  • DE716710C - Transmission device for short waves : de en
  • US2270988A - Method of making metal tubes : en
  • US2271394A - Paper money counter : en
  • US2271337A - Pneumatic tire : en
  • US2271479A - Fastener-applying device : en
  • USD131195S - Lighting fixture or similar article : en
  • GB542845A - Improvements connected with trailer vehicles : en
  • DE716653C - Circuit arrangement for telephone systems with dialer operation and several exchanges : de en
  • US2271161A - Art of packaging : en
  • US2271322A - Television broadcast system : en
  • FR869287A - Electric propulsion device for cycles : en fr
  • USD131264S - Design fob a brooch ob similab article : en
  • FR869320A - Process for the simultaneous sterilization of a bottle and its pacifier, and pacifier for the application of this process : en fr
  • PL30290B1 - : en pl
  • DE716698C - Gear shaving machine in which a workpiece to be scraped is unrolled with a tool wheel provided with sheaths : de en
  • DE716803C - Clothespin : de en
  • DE716866C - Fluid flow coupling : de en
  • USD131246S - Design fosi a bkooch or similar article : en
  • GB542787A - Improvements in or relating to means for boring cylinders : en
  • DE716853C - Process for the synthesis of hydrocarbons from carbon monoxide and hydrogen : de en
  • US2271027A - Generator drive : en
  • CH219164A - Light-sensitive paper for diazotype. : en fr
  • US2271194A - Adjustable sewing machine light : en
  • US2271111A - Method of manufacturing springs : en
  • US2271173A - Method of making archery bowstrings : en
  • FR869169A - Copulant enhancements for color development : en fr
  • FR869245A - Envelope or pocket for letter or other similar applications : en fr
  • US2271215A - Tachometer : en
  • DE716666C - Device for regulating the temperature of flowing gases and vapors : de en
  • DE716778C - Pistons for internal combustion engines : de en
  • GB542788A - Improvements in service trays or waiters or the like : en
  • GB542795A - Improvements relating to joint-covering strips for fibre building boards : en
  • CH219209A - Hardened nickel-copper-aluminum alloy and process for their manufacture. : de en
  • DE716686C - Electrode for fluid resistors : de en
  • DK59421C - Process for the Preparation of Carboxylic Acids from the Cyclopentanopolyhydrophenanthene Series. : da en
  • DK59431C - Scythe. : da en
  • GB542741A - Improvements relating to machine tools and to cutter relieving means therefor : en
  • US2271144A - Fuel testing measuring apparatus : en
  • US2271385A - Take-off slide : en
  • CH219216A - Process for welding aluminum sheets and device for implementing this process. : en fr
  • CH219270A - n-fold parallel winding (n = whole number : de en
  • US2270938A - Filter : en
  • FR869238A - Improvements in light aluminum alloys : en fr
  • GB542901A - Improvements in windows for building constructions : en
  • GB542811A - Improvements in or relating to cigarette making machines : en
  • US2270949A - Conductor arrangement for use with radio frequency apparatus : en
  • DE716713C - Knife protection with box-shaped insulating housing : de en
  • CH219165A - Process for sensitizing photographic silver halide emulsions. : de en
  • CH219088A - Gasogen. : en it
  • US2271189A - Suspending cap for broom handles and the like : en
  • US2271169A - Control mechanism for power operated gear shifting apparatus : en
  • US2271179A - Method for producing light shades : en
  • US2271059A - Aircraft construction : en
  • USD131209S - Combined clock and picture-holding case : en
  • DE716822C - Cloth extractor for separating heavy contaminants from liquids, such as B. Fiber suspensions : de en
  • US2270935A - Food package : en
  • US2270944A - Stencil : en
  • US2271358A - Weld-rod coating and method thereof : en
  • US2270980A - Speed reducer casing : en
  • DE716763C - Control device for three-phase collector motors with brush adjustment motor : de en
  • US2271208A - Resistance device : en
  • US2271400A - Mercaptothiazine spiro compounds : en
  • CH219114A - Yarn monitor device for creels. : de en
  • DE716638C - Winch : de en
  • DE716700C - Two-axle farm wagon : de en
  • US2271150A - Forced draft breather system for engines : en
  • US2271339A - Tire repair plug : en
  • CH219153A - Apparatus receiving sheets delivered side by side and in the same plane. : en fr
  • DE716715C - Process for the preparation of o-oxyazo dyes : de en
  • US2271464A - Railway hopper car construction : en
  • US2271488A - Building board bundle : en
  • DE716647C - Interlock between the barrel of gas pressure boosters and the front end of the gas tube : de en
  • PL30280B1 - : en pl
  • ES148816A1 - IMPROVEMENTS IN THE PREPARATION OF NOOS OP MALES FOR THE MOLDING OF THE PIECES OF FOUNDRY : en es
  • FR869213A - Knitting Machine Improvements : en fr
  • US2271148A - Hydrocarbon conversion with suspended catalysts : en
  • CH219330A - Combination locking device. : en fr
  • CH219127A - Footwear. : de en
  • US2270993A - Safety switch : en
  • US2271320A - Coin collector : en
  • AU114561B2 - Improvements in excavators : en
  • US2271015A - Two-stroke cycle engine induction system : en
  • US2271009A - Cigar wrapping mechanism : en
  • USD131208S - Combined clock and picture-holding case : en
  • DE715741C - Ball coupling, especially for passenger car trailers : de en
  • FR869347A - Tensioner for electric dryers of photographic or similar reproductions : en fr
  • DE716738C - Rifle Guard : de en
  • FR869237A - Control device for gearboxes : en fr
  • US2270972A - Recording and reproducing phonograph : en
  • US2271002A - Sand separator for deep wells : en
  • US2271366A - Cast refractory product : en
  • US2270859A - Thread controlling mechanism : en
  • AU81041A - Improvements in internally fired boilers : en
  • US2271421A - Flashlight : en
  • US2271499A - Water-treating compound : en
  • DE716674C - Method for monitoring the operating state of the individual loudspeakers in a loudspeaker system with a large number of loudspeakers : de en
  • US2270850A - Ignition lock and the like : en
  • USD131215S - Design for a lace : en
  • DE716834C - Two-sided mosaic screen for television transmission or reception tubes : de en
  • DE716888C - Control for molding box pushing device operated by compressed air on molding box conveyor systems : de en
  • DE716719C - Process for covering wires, rods or pipes with glass or other substances that are plastic when exposed to heat : de en
  • DE716878C - Device for the elimination of self-ignitions in gas engines : de en
  • SU60580A1 - Coal combine : en ru
  • US2270870A - Method of heat-treating materials in processes such as production of portland cement or prduction of ores : en
  • USD131245S - Design fob a bbooch ob similab article : en
  • US2270996A - Arrangement and process for the production of endless sound films : en
  • DE716718C - Mold box pressed from sheet metal : de en
  • GB542879A - An improved former for use in removing the creases from neck ties : en
  • US2270904A - Internal combustion engine : en
  • FR869160A - Manufacturing process of plywood : en fr
  • GB542874A - Improvements in and relating to the production of resinous products : en
  • DK59426C - Procedure for Casting Light Metals. : da en
  • US2270992A - Livestock feeder : en
  • DE716790C - Adjustable vice : de en
  • DE716865C - Fuel injection device for internal combustion engines : de en
  • ES148764A1 - IMPROVEMENTS IN THE CONSTRUCTION OF RUBBER STAMPS : en es
  • GB542843A - Improvements in or relating to railway signalling systems and apparatus : en
  • US2271075A - Connecting device : en
  • USD131218S - Design for a range top : en
  • ES148755A2 - A PROCEDURE FOR OBTAINING VALUABLE OXO-COMBINATIONS : en es
  • ES148821A1 - APPARATUS FOR SHARPENING SHEETS OR SIMILAR OBJECTS : en es
  • FR869181A - Button sewing machine : en fr
  • CH219238A - Multi-stage drive transmission device. : de en
  • CH219323A - Arrangement in telecontrol systems. : de en
  • DE716875C - Regulation or control device : de en
  • FR869364A - Excitation mode for electric machines : en fr
  • FR869380A - Press for gluing shoes with dies arranged on a turntable : en fr
  • GB542810A - Apparatus for the manufacture of pneumatic tyres : en
  • GB542796A - Device for securing milling and like rotary tools in working spindles : en
  • FR869363A - Method for making rivet connections : en fr
  • CA402475A - Electrolytic cell : en fr
  • GB542826A - Method and machine for knitting : en
  • FR869206A - Elastic suspension for rigid axles braced by a thrust strut, in particular for motor cars : en fr
  • US2271223A - Electric control circuit : en
  • US2271072A - Telephone system : en
  • US2271085A - End connector device : en
  • US2271092A - Process for preparing alkyl sulphate liquors : en
  • US2271277A - Superhydrone : en
  • SU60585A1 - Device for automatic control of a shaft hoist with asynchronous motor : en ru
  • US2271506A - Thermoelectric safety device : en
  • US2270951A - Switch : en
  • US2270844A - Refrigerator : en
  • US2271244A - Display box : en
  • FR869172A - Device for housings or boxes protected from the point of view of explosions or firedamps : en fr
  • FR869324A - Sealing device for wooden frames : en fr
  • FR869334A - Improvements made to the pushing blades of straight combers : en fr
  • BE443931A - : en fr
  • GB542823A - Improvements in or relating to electric switches with blade contacts : en
  • FR869173A - Cable press head, especially for the die casting of aluminum casings around cable cores : en fr
  • GB542753A - Improvements relating to axle-box and other bearing mountings : en
  • US2271410A - Phosphatidic composition : en
  • US2271303A - Shaft lubricating and sealing means : en
  • US2271239A - Nonreflecting coating for galss : en
  • DE716728C - Device for remote display, in particular for tank content display : de en
  • GB542743A - Improvements in or relating to the storage and supply of combustible fluids for starting internal combustion engines : en
  • DE716730C - Flag holder : de en
  • DE716774C - Method for reducing soil resistance : de en
  • PL30284B1 - : en pl
  • DE716806C - Device for longitudinal tearing of fabric webs : de en
  • DK59435C - Procedure for Drying Raw Materials for Coffee Substitutes or Coffee Additives. : da en
  • DE716678C - Receiving device for clearer detection of the overlap zone of two directional radiations : de en
  • ES148779A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SPRAYERS FOR AGRICULTURE : en es
  • CA402557A - Wheeled jack : en fr
  • CH219085A - Door closer with additional locking device. : de en
  • US2270941A - Toe rest for shoe machines : en
  • ES148797A1 - IMPROVEMENTS IN ELECTRICAL CURRENT RECTIFIER WITH SELENIO DISCS : en es
  • GB542897A - Improvements in or relating to the manufacture of expanded cellular rubber or like material : en
  • SU60705A1 - Book Cover Making Machine : en ru
  • SU60629A1 - The method of lubrication when hot stamping : en ru
  • US2270896A - Record selecting and presenting device : en
  • US2271211A - Fastening device : en
  • US2271482A - Method for recovering copper from copper sludge derived from waste industrial liquors containing lime and cellulose : en
  • USD131269S - Design for a textile fabric : en
  • BE443689A - Machine for coating articles with liquid coating materials such as wax : en fr
  • ES148766A1 - IMPROVEMENTS IN TENSION MECHANISMS AND MACHINES THAT USE THEM : en es
  • ES148799A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF NAILS, TIPS, TAMBLERS AND SIMILARS : en es
  • US2270950A - Circuit breaker : en
  • US2271331A - Valve : en
  • BE443913A - Support for ceramic washbasin bowls : en fr
  • CH219204A - Pendulum. : en fr
  • FR869195A - Accessory for cycles : en fr
  • FR869259A - High voltage power transmission line : en fr
  • US2271138A - Line blind : en
  • FR869232A - Automatic filter for gasifier : en fr
  • US2271120A - Compensated two-stage hot air control system : en
  • US2271493A - Centrifugal separator : en
  • DE716662C - Adjustable length strut for aircraft : de en
  • USD131239S - Design for a brooch or similar article : en
  • DE716636C - Device for moistening the hair : de en
  • DE716655C - Relayless voltage regulator : de en
  • FR869372A - Adjustment device for fuel injection pump : en fr
  • US2271476A - Vending apparatus : en
  • FR869388A - Economical production of relatively stable oily substances from coal tar oils : en fr
  • FR869180A - Manufacture of compressed powder cores : en fr
  • US2270875A - Gyro vertical and automatic pilot for aircraft : en
  • CH219147A - Gas-tight housing for continuously working filter. : de en
  • CH219150A - Procedure for the protection of machine parts coming into contact with boiler vapors. : de en
  • DE716646C - Gun lashing : de en
  • DE716777C - Internal combustion compressors or internal combustion engines with counter-rotating free-flying pistons : de en
  • GB542867A - Improvements in and relating to protective devices for lightning arresters : en
  • DE700361C - Propeller with adjustable diameter for aircraft : de en
  • FR869321A - Device for the simultaneous sterilization of a bottle and its teat : en fr
  • DE716726C - Shock absorbers, preferably for motor vehicles : de en
  • US2271401A - Apparatus for filtering or cleaning air or other gases : en
  • ES148808A1 - A NEW METOPLASTIC GASKET SYSTEM : en es
  • GB542763A - Improvements in door locks or latches : en
  • GB542863A - Improvements in isolating electric switches : en
  • GB542872A - Improvements in means for automatically controlling the fuel injecting mechanism of internal combustion engines : en
  • FR869192A - Device for bringing and dividing the cigars in batches in the machines used to package them : en fr
  • DE716831C - Lock for doors of horizontal chamber furnaces for the production of gas and coke : de en
  • CH219321A - Device for viewing television images. : de en
  • AU114557B2 - Anon-metallic barrel plating machine : en
  • CA402442A - Pipe scraping train : en fr
  • CH219171A - Metal rod ski pole with washer. : en fr
  • CH219245A - Device for removing deposits on the blades of centrifugal machines, in particular centrifugal pumps and water turbines. : de en
  • GB542882A - Improvements relating to roller mills for cereal grain : en
  • DE716709C - Continuous furnace for the heat treatment of lintels, sheets, pipes, etc. : de en
  • DE716780C - Machine for preparing the assembly of hollow chocolate halves : de en
  • US2270840A - Implement retainer : en
  • US2271437A - Method of making heat exchangers : en
  • CA402470A - Hydraulic press : en fr
  • AU15441A - Improvements in or relating to liquid pressure remote control systems for operating soot blowers of boilers andthe like : en
  • CH219078A - Hot water storage system with expansion vessel lower than the storage tank. : de en
  • CH219340A - Bookcase. : de en
  • FR869183A - Stitch-stitch buttonhole machine : en fr
  • CA402450A - Vehicle door hinge : en fr
  • CH219231A - Process for obtaining, on tapes and metal sheets previously colored, prints in two colors. : en fr
  • US2271352A - Circulating pump for steam generators : en
  • CA402556A - Vertical retort : en fr
  • CA402533A - Lead, tin and alloy purification : en fr
  • CH219300A - Extension splint. : de en
  • US2270994A - Liquid fuel burning apparatus : en
  • GB542747A - Improvements in joints for engine mountings and like purposes : en
  • FR869167A - Mold holder for line composing and melting machine : en fr
  • FR869277A - Bicycle or tandem frame : en fr
  • SU60724A1 - Fixture for securing ring-shaped specimens when tested for stretching : en ru
  • PL30257B1 - AUgemeine Elektricitats - Gesellschaft, Berlin H v 11 Jj Extinguishing pipe for electric switch : en pl
  • US2271375A - Process of coating metal surfaces : en
  • DE716877C - Device for the production of bearing bushes u. Like. Made of hardenable synthetic resin compounds : de en
  • GB542827A - Improvements in or relating to telephone exchange systems : en
  • CH219197A - Process for obtaining dials with hour turns and raised and bevelled signs. : en fr
  • US2271007A - Brake table with chair operator : en
  • US2271077A - Electric plug assembling machine : en
  • US2271210A - Method of joining metallic memebers and joint thereby produced : en
  • CA402548A - Bakery material preparation : en fr
  • PL30283B1 - A method of leaching aliphatic acids, especially acetic acid, from aqueous : en pl
  • CH219284A - Externally heated bimetal heat release. : de en
  • CH219316A - Hand-held telephone device. : en fr
  • DE716861C - Steam or hot water heater made of ceramic material produced in one piece : de en
  • USD131262S - Design fob a brooch or similar article : en
  • PL30302B1 - A method of starting induction motors with a short-circuited rotor and a device for starting motors in this way : en pl
  • CH219140A - Process for the preparation of trimethyl-p-benzoquinone. : de en
  • ES148819A3 - PROCEDURE FOR MANUFACTURING A FLAX OIL SUBSTITUTE : en es
  • DE716811C - Rotary plate capacitor with an axis or support rod, in particular also ceramic, on which a metallic tube carrying the rotor plates or the stator plates and coaxially surrounding the axis or support rod is fastened : de en
  • US2271351A - Apparatus for making paper : en
  • US2271413A - Decalcomania and the like : en
  • CH219317A - Device for storing and reproducing switching orders with capacitors as storage elements, in particular for telecommunications systems. : de en
  • DE716805C - Electric damper iron : de en
  • GB542755A - Improvements in and relating to means for feeding cards to printing machines : en
  • US2270880A - Separation of krypton and xenon from air : en
  • CH219324A - Illuminated billboard with associated switchgear. : de en
  • PL30253B1 - : en pl
  • US2271222A - Diaphragm blade : en
  • US2271234A - Colloidal carbon antihalation layer : en
  • US2271361A - Process of production of anhydrous monocalcium phosphate : en
  • US2271387A - Swivel joint : en
  • DE716536C - Record game machine with dialing device : de en
  • GB542772A - Improvements in or relating to hob-nails and like fasteners : en
  • CH219307A - Artificial lung. : de en
  • FR869284A - Improvements made to the charging of accumulator batteries and automatic current stop device at the end of charging : en fr
  • CA402576A - Synthetic spinel : en fr
  • CH219115A - Clipper. : de en
  • AU114559B2 - Improvements in internally fired boilers : en
  • CH219331A - Bicycle brake device. : de en
  • FR869351A - Process for the centrifugal vertical casting of hollow metal objects by means of a rotating mold and a fixed and constant metal core : en fr
  • CA402558A - Cylinder lock : en fr
  • AU23841A - Improvements relating to water, oil or other liquid coolers : en
  • DE716864C - Self-acting device for monitoring the hardness of the water, especially the boiler feed water : de en
  • DE716631C - Device to prevent rust formation between the shaft and piston drum of rotary lobe compressors or vacuum pumps : de en
  • ES148792A3 - A PROCEDURE FOR THE CONSTRUCTION OF TYRALINES FOR GEOMETRIC DRAWING : en es
  • BE443640A - : en
  • CH219074A - Warm air circulation oven. : de en
  • US2271003A - Display case : en
  • IE16300L - Treating sugar beet juice : en
  • ES148771A3 - MACHINE FOR CUTTING GARMENTS IN SERIES : en es
  • ES148772A1 - IMPROVEMENTS IN THE PRODUCTION OF RUBBER AGGLOMERATES : en es
  • US2271450A - Feeder for animals : en
  • FR869185A - Hydraulically operated gear train control mode for machine tools, for example drills : en fr
  • FR869216A - Multi-layered pad : en fr
  • FR869345A - Pocket for machine gun feed strips : en fr
  • DE716881C - Process for matting cellulose hydrate material : de en
  • ES148806A3 - A MACHINE FOR SHARPENING RAZORS : en es
  • DE716701C - Device for attaching direction indicators with an angle arm pivotably mounted in a housing in the wall of vehicles, in particular motor vehicles : de en
  • US2271315A - Universal flight indicator : en
  • DE716637C - Device for storing textile products wound on rolls : de en
  • DE716849C - Autonomous photographic copier with electric drive : de en
  • CH219243A - Device for regulating the delivery rate of reciprocating compressors. : de en
  • DE716829C - Method and device for coating the inner wall and outer wall of hollow bodies, in particular of tins, by pouring paint over them : de en
  • FR869281A - Carbonization furnace : en fr
  • FR869335A - Water heater : en fr
  • DE687932C - Process for the production of warps using multifaceted pay-off bobbins and cross-winding machine for producing such bobbins : de en
  • DE716904C - Flexurally elastic shaft coupling : de en
  • FR869249A - Warping : en fr
  • FR869162A - Process for the preparation of valuable fatty acids starting from the hydrogenation products of carbon monoxide : en fr
  • DE716873C - Elastic connection between spindle and drum of a liquid extractor : de en
  • PL30273B1 - : en pl
  • FR869175A - air or gas purifier : en fr
  • GB542780A - High-frequency energy transfer circuits : en
  • USD131210S - Design for a package cart : en
  • CH219206A - Method for rapidly carrying out metallurgical operations and apparatus for its implementation. : en fr
  • PL30289B1 - Junkers Flugzeug- und Motorenwerke Aktiengesellschaft, Dessau Valve guide bushing of combustion engine, liquid cooled : en pl
  • GB542834A - An improved method of decreasing metal corrosion : en
  • USD131251S - Design for a dress : en
  • US2271225A - Windshield cleaning unit : en
  • GB542742A - Improvements in or relating to hydraulic apparatus : en
  • US2271029A - Hair clipper : en
  • US2271455A - Container : en
  • AU20041A - Anon-metallic barrel plating machine : en
  • PL30282B1 - : en pl
  • FR869280A - Injector or burner particularly intended for liquid fuels : en fr
  • CA402572A - Magnesium and ferro-alloy production : en fr
  • CH219142A - Process for the preparation of a mixture of 1,4-dichlorobutane and 4,4'-dichlorodibutyl ether. : de en
  • CH219251A - Starting crank device for internal combustion engines. : de en
  • US2270891A - Folding machine : en
  • US2271469A - Shelf supporting device : en
  • US2270895A - Splined connection : en
  • US2271457A - herzog : en
  • USD131230S - Saoce pan or similar article : en
  • US2270894A - Controlled rectifier and battery charger : en
  • US2271372A - Method of treating strip metal : en
  • USRE22014E - kantack r : en
  • PL30262B1 - : en pl
  • FR869373A - Automotive suspension : en fr
  • GB542746A - Transformer for supplying polyphase rectifier : en
  • FR869224A - Device for photographic recording of phenomena occurring very quickly : en fr
  • GB542850A - Trailer frame or portable mounting for power unit and apparatus operated by such unit : en
  • GB542885A - Improvements in expander mechanism for brake shoes of internally expanding brakes : en
  • US2271060A - Oiltight seal for flexible couplings : en
  • US2271199A - Cinematographic target : en
  • DE716826C - Suspension of a wagon wheel of motor vehicles : de en
  • FR869225A - Shoe with wooden sole : en fr
  • US2271057A - Retractile conductor cord and method of making such a cord : en
  • DE716699C - Agricultural transport cart : de en
  • US2271133A - Buckle and latch mechanism : en
  • US2271458A - Rubber impregnated and coated web : en
  • US2271216A - Starting device : en
  • GB542774A - Improvements in production of artificial straw and like products : en
  • US2271348A - Combination reading stand and book carrier : en
  • DE716753C - Switching device for telemetry and remote counting devices that work with the help of pulses : de en
  • ES148787A2 - MODIFICATIONS IN THE HEAVY OIL BURNING APPARATUS OBJECT OF THE PATENT OF INVENTION 132070 : en es
  • PL30245B1 - : en pl
  • SE103606C1 - Method for producing an oil-laden fuel mixture for special two-stroke internal combustion engines, which are powered by gaseous fuel or a liquid fuel which in liquid form does not mix to the required degree with rock oil, together with a device intended for this purpose. : en sv
  • US2271018A - Locomotive stoker : en
  • FR869286A - Child's game of dice and race track with special obstacles : en fr
  • DE716594C - Workbench for construction and restoration work : de en
  • US2271368A - Cast refractory : en
  • GB542859A - Improvements in or relating to the moulding of hollow articles from plastic materials : en
  • FR869062A - Rotor consisting of several individual impellers, for centrifugal machines, in particular for steam or gas turbines : en fr
  • GB542825A - Improvements relating to abrasive bodies and to bond mixtures therefor : en
  • FR869256A - Device for drilling machine : en fr
  • GB542751A - A process for the descaling of steam boilers and prevention of subsequent scale deposits therein : en
  • DE716886C - Casting mold for the production of cages for short-circuit runners : de en
  • US2271509A - Lateral control means for flying machines with pivoted wings : en
  • GB542818A - Improvements in and relating to glass furnace forehearths : en
  • DE716692C - Card holder : de en
  • FR869196A - Mobile telecommunication cable : en fr
  • US2270912A - Cowling for aircraft : en
  • GB542802A - Improvements in or relating to lubrication : en
  • US2271195A - Mine or similar car : en
  • US2271116A - Carburetor : en
  • DE716720C - Adjustable drawing table : de en
  • FR869204A - Device to be added to a transmission to increase the power collected on this transmission without having to increase the power supplied by the engine : en fr
  • GB542899A - Improvements in or relating to burners suitable for burning liquid and other fuels : en
  • US2271382A - Platform foot and body vibrator : en
  • USD131196S - Design tor a cabinet fob a loud-speaker : en
  • FR869292A - Synchronization device : en fr
  • US2271232A - Electric control circuit : en
  • CA402434A - Valve device : en fr
  • FR869295A - Starting device for a heat engine powered by a combustible liquid other than gasoline : en fr
  • CH219196A - Device for separating in a disc changer with a stack of discs, the lower disc having to fall on the plate of a phonograph, from the other discs having to remain on supports. : en fr
  • FR869293A - component of optical selector networks : en fr
  • GB542884A - Improvements connected with oxy-acetylene cutting apparatus : en
  • DE716688C - Discharge tubes with glass bulbs, liquid electrode and a splash guard that tapers like a funnel towards the liquid level : de en
  • US2270911A - Kinetic pump : en
  • US2270933A - Method and apparatus for waving hair : en
  • US2270964A - Insulator for antenna span or guy ropes : en
  • US2270997A - Iron cord holder : en
  • US2271155A - Book match : en
  • GB542902A - Improvements in and relating to heald shaft holders for looms : en
  • CA402578A - Gas turbine control apparatus : en fr
  • US2271190A - Cane, walking stick, or the like : en
  • FR869260A - Axle drive for electric traction vehicles on narrow track, in particular for tram cars : en fr
  • US2271019A - Injection molding machine or similar press : en
  • US2271287A - Skin covered structure : en
  • US2271243A - Carton and carton blank : en
  • US2270931A - Field glass holder : en
  • US2271508A - Calculating device : en
  • DE715322C - Process for the production of metal salts from sulphite waste liquor : de en
  • US2271426A - Hoist crane construction : en
  • FR869332A - Detector tube for gas detection devices : en fr
  • FR869340A - Method and apparatus for enabling the blind to write in clear : en fr
  • DE716776C - Multi-cylinder piston machine : de en
  • DE716668C - Process for the preparation of derivatives of substituted aminobenzoic acids : de en
  • DE716733C - Foosball game : de en
  • GB542839A - Improvements relating to engine turning-gear : en
  • US2271065A - Fuselage for hydroaircraft : en
  • US2271031A - Valve mechanism for liquid pressure control systems : en
  • US2271008A - Egg box : en
  • CA402504A - Sheet feeding mechanism : en fr
  • ES148825A1 - A PROCEDURE FOR THE MANUFACTURE OF TOYS DISHES : en es
  • GB542732A - Improvements in or relating to statistical card comparing machines : en
  • US2271342A - Air conditioning and cooling machine : en
  • US2271284A - Receptacle : en
  • US2270893A - Process of imparting hydrophobic properties to fibrous materials : en
  • US2271269A - Locking device for air chucks : en
  • CA402526A - Geophysical exploration method : en fr
  • CH219173A - Game device. : en fr
  • BE443917A - : en
  • CA402456A - Composite insole material : en fr
  • DE716697C - Control device for dividing a switching movement into two separately removable switching movements : de en
  • CA402562A - Hose clamp : en fr
  • US2270923A - Nonvibrating pull for radios and the like : en
  • USD131222S - Electric wreath or similar article : en
  • PL30285B1 - : en pl
  • US2270860A - Machine tool : en
  • US2270921A - Vibrator : en
  • CH219139A - Process for the production of sodium aluminum fluoride. : de en
  • CH219181A - Device for locking the movable fuse part relative to the movable clockwork part on mechanical time fuses for projectiles : de en
  • CA402448A - Container manufacture : en fr
  • CH219277A - Device for performing switching operations using a control resistor. : de en
  • BE443967A - BATTERY OF ACCUMULATORS WITH SIMULTANEOUS CELL FILLING AND DIRECTED GAS START DURING CHARGING PERIODS : en fr
  • CA402553A - Printing member : en fr
  • CH219141A - Process for the production of 3-hydroxy-etiocholenic acid. : de en
  • CH219090A - Chimney draft regulator. : de en
  • DE716832C - Process for the production of alkali thiosulfate : de en
  • US2271219A - Dry plate element and method of producing the same : en
  • US2271247A - Oil field hoisting brake system : en
  • CH219203A - Water and dust proof watch case. : de en
  • US2270892A - Pickling machine : en
  • US2270917A - Electrical remote control system : en
  • US2270976A - Rotary piston machine : en
  • USD131234S - Design tor a pin clip : en
  • CH219308A - Money changer. : de en
  • US2271010A - Ventilating apparatus : en
  • US2271343A - Water system : en
  • US2271507A - Thermocouple lead connecter : en
  • USD131228S - Design for a washing machine : en
  • GR9758B - AUTOMATIC ARTICLE FIXED AGAINST BREAKERS AND OTHER CRIMINALS. : el en
  • US2271041A - Clamping device : en
  • US2271364A - Refractory chromite casting : en
  • CH219160A - Device attached to a camera for correct exposure. : de en
  • DE716423C - Device for introducing high voltage into gas-filled chambers, in particular electrostatic precipitators : de en
  • DE716665C - Process for the production of butanol by fermentation : de en
  • DE716788C - Inclined sound siren : de en
  • ES148759A3 - PROCEDURE, WITH ITS CORRESPONDING DEVICE, TO REFRIGERATE A LIQUID OR OTHER ELEMENT : en es
  • GB542831A - Improvements in solutions for the preservation of meat : en
  • CH219295A - Braun tube with wall coverings. : de en
  • FR869391A - Process for the additional chlorination of polyvinyl chloride : en fr
  • US2271441A - Heddle barpost : en
  • SU60658A1 - Adaptation to winders to stop individual spindles while loosening the thread and filling the spool : en ru
  • USD131212S - Design for a front fender for an automobile : en
  • CA402492A - Circuit breaker : en fr
  • CA402581A - Sound recording method : en fr
  • CA402447A - Lead carbonate ore processing : en fr
  • CH219137A - Device for pressing on and releasing suddenly opening caps from pressurized containers. : de en
  • CH219353A - Device for improved utilization of the energy of the exhaust gases from internal combustion engines used to drive aircraft. : de en
  • CH219267A - Transformer with insulation between the high-voltage and low-voltage winding consisting almost exclusively of solid insulating material. : de en
  • DE716869C - Process for producing pores on running surfaces, in particular for aluminum pistons for internal combustion engines : de en
  • USD131258S - Frame for a display board or the like : en
  • ES148801A3 - A PROCEDURE FOR OBTAINING MODIFIED ARTIFICIAL RESINS SOLUBLE IN OILS : en es
  • US2270899A - Frequency modulation system : en
  • US2271497A - Pressure relief check valve : en
  • DE716802C - Roller bearing for rolling mill rolls : de en
  • DK59423C - Directional antenna systems. : da en
  • DE716882C - With an external reinforcement, welded container : de en
  • ES148809A3 - A NEW PROCEDURE FOR THE MANUFACTURE OF GOLD NIBS FOR STYLOGRAPHIC PENS : en es
  • GB542770A - Improvements in pervious resilient padding material : en
  • CH219125A - Spat. : de en
  • CH219192A - Damping magnet for an electrical instrument and method for its manufacture. : en fr
  • CH219339A - Sealing hood for the pressure medium storage space of hydraulic servomotors. : de en
  • US2270959A - Stabilization of synthetic rubberlike materials : en
  • US2271213A - Method and apparatus for manipulating slabs and the like : en
  • CA402494A - Circuit breaker : en fr
  • CH219184A - Device for checking the cutting edge symmetry of tools. : de en
  • DE716846C - Composite mill with intermediate sifting : de en
  • CH219126A - Headgear with detachably attached visor. : de en
  • ES148784A3 - A PROCEDURE FOR THE MANUFACTURE OF FOOTWEAR SOLES : en es
  • FR869343A - Quiet, especially for internal combustion engine : en fr
  • CH219111A - Device for twisting artificial silk crepe. : de en
  • CA402541A - Insecticide and repellent : en fr
  • US2271323A - Flushing pigments : en
  • US2271459A - Rolling mill : en
  • US2271473A - Rotative winged aircraft : en
  • US2271088A - Rubber heel : en
  • FR869208A - Composition for gaskets of crimped metal boxes : en fr
  • ES148754A1 - APPARATUS TO GUIDE AND EXTEND THE WEAVE WIDTH : en es
  • PL30267B1 - The way of making the wall : en pl
  • US2270952A - Tubing bleeder for oil well pumps : en
  • CA402468A - Hop essential principle extraction : en fr
  • CA402550A - Wire connector : en fr
  • US2270927A - Rotary seal : en
  • DE716652C - Circuit arrangement for teleprinter self-connection exchanges : de en
  • DE716796C - Load lowering device : de en
  • US2271064A - Nipple-applying tool : en
  • USD131213S - Design fob a shoe or similar article : en
  • US2271044A - Lubricating oil : en
  • US2271171A - Process for treating tubers to destroy parasites : en
  • US2270887A - Catalytic conversion of hydrocarbons : en
  • US2271089A - Spacer for form boards : en
  • SU60559A1 - Continuous mixer for wool, etc. fibrous materials : en ru
  • US2271289A - Pressing iron : en
  • US2271383A - Starting means for internal combustion engines : en
  • FR869153A - Veneer sheet assembly machine : en fr
  • DE716741C - Process for the production of an oil cable system : de en
  • FR869244A - Method for determining the transverse strength of fibers : en fr
  • FR869283A - Improvement in de-icing of aircraft components and particularly of propellers : en fr
  • FR869255A - Improvement of machines for the manufacture of novelty articles, such as imitations of fur : en fr
  • FR869358A - Steel intended for the manufacture of high pressure gas cylinders : en fr
  • GB542864A - Improvements in and relating to transformers : en
  • US2271151A - Gasoline nozzle : en
  • FR869222A - Device for controlling gas flow : en fr
  • FR869223A - Lubricating device for internal combustion engines : en fr
  • US2271319A - Conversion of hydrocarbon oils : en
  • CH219079A - Firebox dividers on central heating boilers. : de en
  • FR869231A - Plastic ring with internal lamellae : en fr
  • FR869282A - Starter, especially for outboard motors : en fr
  • FR869186A - Adjustable wave collector : en fr
  • FR869269A - Air-cooled combustion or explosion engine : en fr
  • FR869397A - Manufacturing process of plastic objects, products obtained and cutlery applied to this manufacture : en fr
  • GB542835A - Improvements in adjustable oil burners : en
  • FR869330A - Shoe : en fr
  • US2271076A - Portable oil heater : en
  • US2271347A - Drying apparatus : en
  • AU114551B2 - mprovements connected with hair waving : en
  • FR869189A - Charcoal oven : en fr
  • DE716679C - Procedure for displaying the altitude of an aircraft during the landing process : de en
  • FR869165A - Method of automatic synchronization of two frequencies : en fr
  • US2271001A - Record changing apparatus for phonographs and the like : en
  • US2271447A - Stovepipe holder : en
  • FR869151A - Installation for supplying an internal combustion engine : en fr
  • US2271191A - Adjustable drawing frame : en
  • US2271345A - Textile package holding device : en
  • CA402444A - Laundry and garment press : en fr
  • DE702763C - Oil burner : de en
  • DE716667C - Process for the preparation of water-soluble p-aminobenzenesulfonamide pellets : de en
  • CH219249A - Two-stroke internal combustion engine, compression ignition. : en fr
  • US2271399A - Locating pin : en
  • AU10641A - mprovements connected with hair waving : en
  • DE716901C - Switchgear with retractable switch cells : de en
  • GB542771A - Improvements in or relating to carburettors for internal-combustion engines : en
  • FR869307A - Filter-purifier for gasifiers : en fr
  • FR869390A - Slatted temple roller for machines used for finishing fabrics and knits : en fr
  • CH219072A - Parquet board. : de en
  • CH219083A - Electric heater. : de en
  • DE716902C - Metal steam converter with iron vessel for air cooling : de en
  • CA402486A - Pressure responsive valve mechanism : en fr
  • CA402524A - Moulding apparatus : en fr
  • CA402555A - Power transmission : en fr
  • GR9757B - AUTOMATIC ARTICLE VOICE METER. : el en
  • US2271314A - Barbed wire and method of making same : en
  • ES148753A3 - A PROCEDURE FOR THE PRINTING OF WAXED FABRICS, HULES AND LEATHER FABRICS : en es
  • CH219172A - Tensioning device for ski binding. : en fr
  • CH219301A - Process for the preparation of a basic ester. : de en
  • CA402567A - Lifting jack : en fr
  • US2271304A - Trailer unit : en
  • CA402571A - Interlocking circuits : en fr
  • CA402518A - Reinforced rubber product : en fr
  • CH219082A - Manufacturing process for artificial plaques. : en fr
  • CH219234A - Corner drive for remote control devices. : de en
  • CA402491A - Titanium pigment : en fr
  • CA402577A - Vapour electric device : en fr
  • FR869241A - Refrigerated cabinet : en fr
  • CH219168A - Exchange pen. : de en
  • CA402532A - Hop extract : en fr
  • DE716705C - Process and device for the thermal extraction of metals : de en
  • DE716717C - Bearing for rotary piston blower : de en
  • PL30286B1 - : en pl
  • US2271005A - Subterranean boring : en
  • DE716787C - Device for remote measurement or remote control : de en
  • CA402500A - Dual-voltage apparatus : en fr
  • CH219314A - Pressure telegraph apparatus with gradual progression. : de en
  • AU370740A - Improvements relating to hydraulic intensifies : en
  • USD131211S - Design fob a shoe : en
  • CH219342A - Process for the production of metal coatings. : de en
  • US2271198A - Production of textile materials : en
  • USD131249S - Design for a jewelry finding : en
  • US2271112A - Fade resistant printed or dyed matter : en
  • BE443639A - : en
  • BE443884A - Process for the manufacture of sulfonation products, aromatic, containing alkyl groups, of light colors : en fr
  • FR869303A - Method for fixing the fins on the tubes of the heat exchangers : en fr
  • DE716644C - Device for photoelectrically sensing a group of marking locations : de en
  • US2271055A - Compound resonance unit : en
  • US2271280A - Gas producing projectile : en
  • USD131217S - Design for a door handle : en
  • CA402509A - Artificial resin : en fr
  • BE443784A - : en fr
  • CH219176A - Bang device to imitate machine gun fire. : de en
  • CH219345A - Method for the preparation of a new strophanthus glucoside. : de en
  • US2271126A - Direction indicator : en
  • US2271484A - Heat exchanger apparatus : en
  • FR869187A - Adjustable articulation for orientable windshields and similar components of motor cars : en fr
  • DE716749C - Food poison container : de en
  • CH219064A - A furrow chopper attached to a tractor. : de en
  • DE716883C - Front drive for switches built into cast boxes or the like : de en
  • CA402534A - Container barrel end closure seaming machine : en fr
  • US2271051A - Winding frame : en
  • US2271356A - Hydrocarbon conversion : en
  • CH219288A - Process for the investigation of substances, in particular for visual or photographic imaging, using neutrons. : de en
  • PL30299B1 - : en pl
  • CH219193A - Calculating disc rule. : de en
  • CA402501A - Capacitor motors for refrigerating apparatus : en fr
  • CA402519A - Ice tray : en fr
  • CH219241A - Method for pressing fruit and similar goods. : de en
  • CH219352A - Line block system for single-track track lines used in both directions. : de en
  • CA402432A - Agitating mechanism : en fr
  • CH219124A - Spat. : de en
  • US2271416A - Apparatus for handling strip material : en
  • US2271505A - Automotive vehicle : en
  • US2271350A - Composition of matter for use as an insecticide : en
  • US2270864A - Heat exchanger : en
  • US2271422A - Hinge assembly : en
  • USD131219S - Design for a slip sheet inserter : en
  • US2271463A - Electric attachment for ironing boards, etc. : en
  • DE716732C - Device for catching the wound bobbins on winding machines : de en
  • DE716703C - Process for the production of swellable, permanently disinfecting paints : de en
  • CA402499A - Transformer system : en fr
  • CA402510A - Steam trap : en fr
  • CH219128A - Wooden shoe sole. : de en
  • CH219224A - Razor sharpener. : de en
  • US2271308A - Bottle seal cutting and trimming device : en
  • CA402498A - Differential protective relaying device : en fr
  • PL30288B1 - The method of producing two-piece tubes : en pl
  • US2271140A - Attachment for telephones : en
  • US2271359A - Safety control : en
  • DE716693C - System for fur hair removal machines for cleaning the severed hair in the air stream : de en
  • ES148820A3 - IMPROVEMENTS IN A PROCEDURE FOR THE MANUFACTURE OF EXOTHERMAL FLEXIBLE SUPPORTS FOR HAIR CURLING : en es
  • GB542865A - Improvements in or relating to curling appliances : en
  • FR869198A - Arrangement for the electrolytic oxidation of light metal wires and tapes : en fr
  • FR869263A - Nut or screw stop : en fr
  • DE716670C - Process for the production of key plates for typewriters o. : de en
  • PL30260B1 - A method of producing a material which is compatible with its properties of barium white : en pl
  • US2271004A - Glassworking apparatus : en
  • US2271048A - Self-ejecting key : en
  • GB542784A - Improvements in flow meters : en
  • CH219294A - Barrier rectifier with at least one rectifier element with a cooling plate. : de en
  • AU38841A - Improvements relating to electric torches : en
  • US2271271A - Apparatus for shearing molten glass : en
  • US2270999A - Transmitter or receiver of the motorlike type : en
  • US2271014A - Heel jaw : en
  • US2271295A - Belting for use as paper felt, industrial felt, pulp felt, drier felt, and the like : en
  • DK59432C - Air-cooled Internal Combustion Engine. : da en
  • CH219188A - Liquid damping device for measuring devices. : de en
  • BE443937A - : en
  • CA402482A - Floor mat manufacture : en fr
  • CA402523A - Telemotor system : en fr
  • US2271174A - Outboard motor assembly : en
  • US2271259A - Process for synthesizing hydrocarbons : en
  • USD131206S - Design for a clock face ok similar article : en
  • FR869387A - Mufflers for jet exhaust nozzles of internal combustion engines : en fr
  • US2270979A - Steel alloy : en
  • FR869374A - Body side wall for motor vehicles : en fr
  • GB542799A - Improvements in or relating to combined internal combustion engines and compressors : en
  • ES148762A3 - AN APPARATUS FOR WOMEN'S HYGIENE : en es
  • GB542876A - Improvements in spectacle frames : en
  • US2271176A - Process for the manufacture of color photographic images : en
  • FR869217A - Device for inserting the edges of the fabrics into the stretching and drying machines with prior gathering : en fr
  • PL30279B1 - : en pl
  • GB542776A - Improvements in or relating to wrappers for use in hair waving : en
  • GB542759A - Improvements in securing devices : en
  • GB542733A - Improvements in or relating to apparatus for the hydraulic transmission of power : en
  • DE716862C - Valve for steam or hot water radiators : de en
  • US2270983A - Electromechanical amplifier : en
  • US2271129A - Nonflood cell cover assembly : en
  • US2271168A - Furnace : en
  • FR869392A - Process for the production of fats, sterins, carotins and other constituents of the cell by fermentation of compounds containing carbon in the presence of nutrients known per se : en fr
  • ES148793A3 - A PROCEDURE FOR THE CONSTRUCTION OF METALLIC COMPASSES FOR GEOMETRIC DRAWING : en es
  • US2270939A - Soundproof wall : en
  • CH219159A - Method and apparatus for producing a picture tone film. : de en
  • US2271121A - Knockdown showcase structure : en
  • US2271442A - Automatic spraying machine for spraying traveling articles : en
  • US2271233A - Insulated electrical counductor : en
  • FR869166A - Drive device for machine tools : en fr
  • US2271180A - Packing and cushioning element : en
  • US2271439A - Wringer : en
  • DE716639C - Concrete ceiling with remaining load-bearing Schalkoerpern : de en
  • DK59430C - Needle holder for electric tone recorders. : da en
  • BE443589A - Metal vapor current rectifier with liquid cathode and ignition electrode immersed in the liquid metal of the cathode : en fr
  • GB542750A - Improvements in or relating to carpet sweepers : en
  • US2271061A - Truck drive : en
  • US2270897A - Method of making synthesis gas : en
  • FR869226A - Shoe with wooden sole : en fr
  • FR869276A - Improvement in cutter bars for hay mowers : en fr
  • US2271376A - Braking mechanism for railway car trucks : en
  • DE716714C - Capacitor electrode for a device for treating body parts with short waves or ultra short waves : de en
  • US2271276A - Process for producing cement : en
  • US2271414A - Warning device for typewriters : en
  • US2271341A - Electrolytic cell for producing : en
  • US2271290A - Tool : en
  • FR869393A - Telewriting device on a sheet of wastepaper with character levers moving in the direction of the lines : en fr
  • GB542892A - Improvements in thermostatically controlled switch devices : en
  • US2271230A - Sulphonamides of dyes : en
  • FR869258A - Individual electrically controlled spinning spindle : en fr
  • ES148818A3 - PROCEDURE FOR OBTAINING HIGH HARDNESS CEMENTS : en es
  • US2271049A - Winding frame : en
  • CH219326A - Device for closing a container made of sheet material. : en fr
  • FR869359A - Trunk for cycles and motorcycles : en fr
  • DE716721C - Device for determining gas pressures : de en
  • DE716863C - Control to regulate temperatures proportional to the heat demand : de en
  • US2270943A - Hydraulic system : en
  • ES148823A1 - A PROCEDURE FOR THE MANUFACTURE OF HUMID, COMPLETE AND UNALTERABLE FEEDS : en es
  • FR869301A - Automatic vegetable and fruit crusher : en fr
  • FR869382A - Strainers for filters : en fr
  • CH219191A - Method for monitoring the condition of the dielectric of electrical machines and devices and device for carrying out the method. : de en
  • DE716689C - Use of plasticizers for coating agents, preferably for moisture-proof paints : de en
  • CH219093A - Drip catcher. : de en
  • BE443821A - : en
  • CA402559A - Lock : en fr
  • US2271110A - Rear light indicator or detector for vehicles : en
  • US2271363A - Refractory ferrous chromite casting : en
  • AU15641A - Improvements in or relating to liquid pressure remote control systems, more particularly for operating soot blowers of boilers and the like : en
  • CA402457A - Band clamp : en fr
  • CH219102A - Process for the manufacture of artificial textile fibers. : en fr
  • US2271462A - Countercurrent extraction apparatus : en
  • US2271030A - Building block or element : en
  • CH219178A - Bolt on a recoil-operated machine gun. : de en
  • FR869228A - Agent for the temporary dyeing of live hair : en fr
  • US2271131A - Waste heat boiler for aircraft : en
  • PL30303B1 - : en pl
  • US2270986A - Wheel brake adjuster : en
  • FR869400A - Switch for portable light fixtures and light fixtures with application : en fr
  • DE716761C - Machine with sickle-shaped working area and eccentric moving piston : de en
  • US2271196A - Screen for stripe-composite stereoscopic pictures : en
  • US2271183A - Metering valve : en
  • PL30259B1 - A method of enhancing colors or of increasing their visibility, and an apparatus for carrying out the method : en pl
  • US2271016A - Antivibrating resilient support : en
  • US2271478A - Hydrogen ion indicator : en
  • DE716676C - Circuit for receiving modulated carrier waves : de en
  • DK59424C - Carrying piece for bicycle light dynamos. : da en
  • FR869360A - Improvements to direction finders without night effect : en fr
  • ES148758A1 - A NEW PROCEDURE TO OBTAIN AN ANTIDETONING PRODUCT, FOR INTERNAL COMBUSTION ENGINES : en es
  • CH219211A - Process for melting down and cleaning scrap aluminum, aluminum scraps, chips and the like, and furnace for carrying out this process. : de en
  • CH219286A - Selective protection arrangement. : de en
  • US2270856A - Continuous process of saponification : en
  • US2271237A - Distributor for stokers : en
  • US2271440A - Glider chair : en
  • US2270902A - Antivibration means and method of use of same : en
  • US2271214A - Separating hydrogen from gaseous hydrocarbons : en
  • PL30287B1 - Carl Hamel Aktiengesellschaft, Siegmar-Schonau near Chemnitz 'Bearing of ball or roller bearings for punching, threading machines and similar textile machines : en pl
  • US2270871A - Feeding device : en
  • US2270930A - Production of purified cyclorubber derivatives : en
  • USD131248S - Design for a brooch or similar article : en
  • DE716645C - Device for the temporal limitation of the overpower consumption of aircraft engines : de en
  • CH219123A - Process for the series production of men's shirts of various sizes. : de en
  • GB542782A - Improvements in or relating to mechanical pencils : en
  • DE716200C - Device for separating air and gases from steam : de en
  • DE716671C - Device for dissipating the heat released in the compressor motor unit of a compression refrigeration machine : de en
  • DK59429C - Automatic Press for the Manufacture of Pressure Pieces from Hard Capsule Tablets. : da en
  • US2271021A - Fabric : en
  • CA402531A - Hop essential principal emulsifying process : en fr
  • FR869164A - Bicycle Lighting Magneto : en fr
  • ES148805A1 - SYSTEM FOR CONSTRUCTION OF WATERPROOF ROOF COVERS FOR ROOF OR OTHER CEILINGS : en es
  • FR869250A - Improvements in photosensitive processes and products for color photography : en fr
  • CH219315A - Installation of central offices for teleprinters. : en fr
  • CH219347A - Process for the preparation of an unsaturated derivative of pregnane-3.20-dione. : de en
  • FR869158A - Apparatus for periodically starting and stopping an operation under the influence of light : en fr
  • US2270883A - Locomotive stoker : en
  • CA402539A - Rubber plasticizing process : en fr
  • CH219077A - Heating system. : de en
  • US2271391A - Valve : en
  • US2270872A - Method of making ceramic insulators : en
  • US2271377A - Method of and apparatus for tempering glass : en
  • US2271107A - Tool for forming lugs on caps : en
  • CH219220A - Circular saw with feed device. : de en
  • CH219271A - Electric cable. : de en
  • SU60634A1 - Rotary cantilever crane : en ru
  • CA402461A - Drill bit : en fr
  • US2271159A - Tube coupling : en
  • US2271386A - Knitting machine : en
  • PL30254B1 - : en pl
  • US2271078A - Modulating system : en
  • US2271236A - Stoker : en
  • DE716851C - Cutting machine for paper, cardboard, etc. like : de en
  • GB542878A - Improvements in means for preventing ice accumulation on aerofoil and like surfaces : en
  • DE716736C - Process for the production of porous lightweight stones : de en
  • DE716798C - Lubricating device for the compressor driven by the internal combustion engine of motor vehicles : de en
  • CH219098A - Lock on cabinet doors and other doors. : de en
  • CH219219A - Process for hot hardening of steels. : de en
  • AU401540A - Improvements in excavators : en
  • US2271202A - Warp control in power looms : en
  • AU114554B2 - Improvements in or relating to liquid pressure remote control systems, more particularly for operating soot blowers of boilers and the like : en
  • US2270960A - Accounting machine : en
  • US2270989A - Flush valve : en
  • US2271102A - Rubber process : en
  • US2271162A - Head-lamp construction : en
  • USD131197S - Design for an air finned smoking pipe : en
  • US2271344A - Reclinable spud construction : en
  • BE443892A - : en
  • DE716696C - Anti-interference cap for spark plugs : de en
  • DE716702C - Finned tube for heat exchanger : de en
  • CA402483A - Object viewing method : en fr
  • CH219132A - Process in the manufacture of pasta to produce products that are free from cloudy, milky spots. : de en
  • SU60682A1 - Apparatus for detecting irregularities and defects in metal products : en ru
  • DE716663C - Shearer for bald cuts : de en
  • DE716735C - Process to make caustic magnesia that binds too quickly suitable for processing into stone wood : de en
  • CA402549A - Solderless wire connector : en fr
  • DE716779C - Transverse bearings for machine tools : de en
  • CH219174A - Game device. : en fr
  • CH219166A - Process for sensitizing photographic emulsions by means of pseudocyanine dyes. : de en
  • CH219260A - Device for the uniform supply of a liquid or gaseous agent into pipes connected in parallel. : de en
  • DE716891C - Seal for windows and doors : de en
  • PL30275B1 - : en pl
  • AU114539B2 - Improvements in and relating tothe mounting of mincing machines : en
  • CA402507A - Tire : en fr
  • DE716769C - Mortar spinner : de en
  • CH219103A - Process for the production of artificial textile fibers from alkaline solutions of casein. : en fr
  • PL30276B1 - : en pl
  • US2271487A - Zine air conditioning system : en
  • PL30265B1 - Steyr-Daimler-Puch A. G., steyr Drive unit assembly, especially for off-road motor vehicles : en pl
  • USD131267S - Design for a brooch or similar article : en
  • CH219180A - Spring housing shaft for bullet detonators. : de en
  • CH219310A - Tariff apparatus with setting device for the basic fee. : de en
  • DE716704C - Press chamber on compression molding machines working with piston pressure : de en
  • DE716813C - Process for the preparation of reducing compounds : de en
  • CH219338A - Electric marine system. : de en
  • US2271033A - Pipe cutter : en
  • DE716791C - Tool folder : de en
  • ES148810A3 - A PROCEDURE FOR THE MANUFACTURE OF TIGHT CONTAINERS OF CELOPHANA OR SIMILAR MATERIALS : en es
  • GB542849A - Improvements relating to hoisting or hauling mechanisms : en
  • AU114542B2 - Modulation systems : en
  • US2270884A - Aerial trailer : en
  • US2270888A - Nondrying water-washable lapping and grinding composition : en
  • US2271283A - Lawn mower : en
  • CA402538A - Radio frequency winding with iron core : en fr
  • CH219108A - Cotton conveyor. : de en
  • GB542819A - Improvements in or relating to packing devices for pistons and the like : en
  • GB542895A - Improvements in and relating to the manufacture of purified latex and rubber : en
  • US2271365A - Refractory ferrous chromitealumina casting : en
  • USD131254S - Ba scom : en
  • PL30291B1 - Method of draining and keeping walls or other parts of buildings dry, and a device for using this method : en pl
  • DE716884C - Changeover switch for braking electric motors with two opposing main current field windings : de en
  • BE443503A - : en fr
  • CH219212A - Process for the manufacture of rotors for rotary compressors and similar workpieces. : de en
  • US2271294A - Artist's palette : en
  • CH219213A - Control device for pneumatically actuated die-casting machine. : en fr
  • CH219334A - Axle counting device. : de en
  • AU114540B2 - Improvements relating tothe treatment of biscuits andthe like articles : en
  • US2270955A - Automobile heater : en
  • US2271062A - Friction top can : en
  • US2271080A - Draft gear : en
  • CH219214A - Press casting machine that works with piston pressure for processing metals. : de en
  • US2271158A - Heating and ventilating system : en
  • BE443567A - Device for winding ribbons, wires etc. made of steel or other metal : en fr
  • CH219154A - Paper container and method for its manufacture. : en fr
  • CA402545A - Catalytic regeneration : en fr
  • US2271272A - Process for the manufacture of keepable fish products : en
  • US2271333A - Heated cutter bar for road pavers : en
  • US2271119A - Welding electrode holder : en
  • CH219161A - Photo booth. : de en
  • CH219303A - Process for the production of 1-phenyl-2-methylaminopropane and its optical components from esters of 1-phenyl-2-methylaminopropanol-1 and its optical components. : de en
  • BE443673A - Process for the manufacture of a product with a spongy or honeycomb structure suitable for insulation : en fr
  • CH219071A - Attached to a building floor provided with an access opening and having a hinged cover for the floor opening, pull-up access device. : de en
  • DE665156C - Device for achieving a safe current consumption in electric locomotives, to which the current from a contact line laid above the locomotive is fed via pantographs : de en
  • US2271096A - Treating hydrocarbon oils : en
  • DE716766C - Device for hanging V- or U-shaped sheets for electrical resistance spot and seam welding : de en
  • US2270846A - Building construction : en
  • US2271113A - Carburetor : en
  • CA402574A - Glass or slag fibre production : en fr
  • US2271392A - Automatic burglar alarm : en
  • US2271313A - Counter-sham partition clip : en
  • DE716635C - Device for generating glass threads : de en
  • ES148822A1 - A PERFECTION IN THE MANUFACTURE AND REPAIR OF TIRES FOR ALL KINDS OF VEHICLES : en es
  • US2271177A - Automatic signaling apparatus : en
  • US2271433A - Motor protective circuit breaker : en
  • DK59422C - Method of Preparation of 4-Aminobenzolesulfonic Acid Amide. : da en
  • SU60637A1 - Fitting to a hydraulic forging press to limit the stroke of the manipulator : en ru
  • US2271185A - Floating submarine mine : en
  • US2271428A - Hoist crane construction : en
  • SU60652A1 - Rolling pin feed mechanism in devices for automatic removal of canvases on scutching machines : en ru
  • US2271408A - Soap product : en
  • SU60604A1 - Device for the correction of the duration of telegraph signals : en ru
  • US2271278A - Check valve : en
  • USD131202S - Design for a humidor : en
  • US2271270A - Rope clamp : en
  • SU60671A1 - Hand tool for "ticking" : en ru
  • US2271312A - Production of animated cinematographic cartoons and puppet for use therefor : en
  • US2271226A - Airplane : en
  • CH219309A - Machine for the simultaneous and matching posting of several documents. : de en
  • CA402564A - Hydraulic transmission apparatus : en fr
  • US2271489A - Combination cutting and breaking machine : en
  • CH219252A - Injection pump with slide control and bevel edge control. : de en
  • CH219292A - Cathode ray tube with magnetic focusing. : de en
  • BE443748A - Device for coating electrical conductors with insulating tape : en fr
  • US2271042A - Locomotive stoker : en
  • US2271467A - Three-tone stethoscope : en
  • CH219344A - Equipment for three-phase transformers and three-phase choke coils with isolated zero point, to protect the insulation against surge voltages. : de en
  • DE716051C - Equipment for arc extinguishing in switches by a flowing gas or vapor extinguishing agent : de en
  • DE716579C - Process for the production of ester amides of almond acid : de en
  • FR869386A - Dust filter : en fr
  • US2271264A - Process for the conversion of metals and metal alloys in finely divided form for themanufacture of dental amalgams : en
  • US2271346A - Wall-paper sample device : en
  • US2270956A - Automobile heater : en
  • CA402473A - Steel and copper welding method : en fr
  • US2270909A - Slide : en
  • US2271097A - Treating hydrocarbon oils : en
  • US2271316A - Ceramic composition : en
  • CH219319A - Circuit arrangement for determining calling connection points in telecommunication systems, in particular telephone systems. : de en
  • US2271317A - Conversion of hydrocarbon oils : en
  • US2271306A - Continuous form feeding and aligning device : en
  • USD131198S - Design for a service and display tray for food containers or the like : en
  • PL30271B1 - Willy Messerschmitt, Augsburg Airplane surface, especially the wing with surface suction : en pl
  • FR869325A - Improvements to diaphragm pumps for supplying fuel to internal combustion engines : en fr
  • US2270929A - Tool : en
  • US2271197A - Feedback circuit arrangement : en
  • US2271431A - Latching mechanism for cabinet drawers and the like : en
  • DE716773C - Multiple device holder : de en
  • ES148802A1 - IMPROVEMENTS IN THE CONSTRUCTION OF HEATING RADIATORS : en es
  • FR869239A - Autogenous weld joint : en fr
  • AU18241A - Improvements to carrier wave communication systems : en
  • CA402542A - Screen stretching and take-up device : en fr
  • PL30272B1 - : en pl
  • US2271053A - Lubrication of blades in hair clippers : en
  • USD131241S - Design for a brooch or similar article : en
  • CH219186A - Single bellows gas meter. : de en
  • DE716840C - Device suitable as a course marker for vehicles to be controlled along a large geographical area (large circle marker) : de en
  • DE716640C - Detector tubes for gas detectors : de en
  • US2271254A - Thermometer : en
  • USD131232S - Design fob a dickey : en
  • US2271388A - Bedspring : en
  • PL30301B1 - Ambi-Rudd Presswerk Gesellschaft mit beschrankter Haftung, Berlin Electrically operated stop indicator : en pl
  • US2271367A - Refractory zirconia casting : en
  • DE716727C - Bolt : de en
  • DE716845C - Multi-row Schlaegermuehle : de en
  • CH219156A - Device for holding interchangeable displays. : de en
  • BE444014A - : en fr
  • US2271288A - Clothesline hanger : en
  • SU60716A1 - Device for punching and controlling the recording of statistical data on a tape : en ru
  • US2270845A - Protective lining for metal containers : en
  • BE443852A - Tool, such as a lathe tool or similar tool, for hard metal setting : en fr
  • CH219063A - Device for movable power supply to movable electrically operated machines, in particular soil cultivation machines. : de en
  • US2270990A - Engine : en
  • CH219226A - Electric dry shaver. : de en
  • US2271481A - Meat chilling method and apparatus : en
  • US2270953A - Electrical condenser : en
  • US2271115A - Carburetor : en
  • SU60569A1 - Device for feeding the charge in the apparatus for the crystallization of corundum : en ru
  • BE443664A - : en fr
  • CH219070A - Reinforcement for square reinforced concrete slabs lying all around. : de en
  • US2270936A - Shoe form and holder : en
  • US2271066A - Process of manufacturing hollow bodies : en
  • US2271124A - Article subjected to printing ink : en
  • US2271419A - Valve construction : en
  • CA402516A - Skirted blower : en fr
  • CA402561A - Trolling lure and hook : en fr
  • DE716632C - Machine for the simultaneous seeding and straightening of flax stalks : de en
  • US2271444A - Refuse body : en
  • US2271238A - Color forming compounds containing sulphonamide groups : en
  • CA402530A - Hop essential principle emulsifying process : en fr
  • CA402433A - Drillable well liner : en fr
  • CA402554A - Multi-light lamp and switch : en fr
  • US2271357A - Process of producing high-strength artificial silk by the funnel stretch-spinning process : en
  • US2271404A - Rotary internal combustion engine : en
  • CA402552A - Ambulance stretcher : en fr
  • CH219255A - Turbine rotor with disk made of ceramic masses, in particular for gas turbines. : de en
  • AU10241A - Improvements in or relating to machines suitable for use in performing a finishing operation on a bottom-portion of a shoe : en
  • CH219068A - Device for presenting poisonous bait to harmful molluscs to destroy them. : de en fr
  • FR869197A - Electrolytic capacitor : en fr
  • DE716743C - Arrangement on electromagnetic contactors with auxiliary contact : de en
  • DE716775C - Internal combustion engine for powdery, solid fuel with self-ignition : de en
  • DE715745C - Process for the distribution of moisture in tobacco and the like like : de en
  • DE716725C - Snow skid for aircraft : de en
  • FR869370A - High Power Incandescent Lamp Improvements : en fr
  • CA402438A - Shoe tree and shoe horn : en fr
  • CH219250A - Two-stroke internal combustion engine. : en fr
  • CH219304A - Process for the production of a condensation product. : de en
  • CH219350A - Light alloy wheel rim and method of making the same. : de en
  • BE443794A - : en
  • CH219281A - Resistance for switching or control purposes. : de en
  • FR869355A - Telegraph receiving puncher : en fr
  • PL30269B1 - Leonard Jan Wojciechowski, Brwinów A magnetoelectric meter with a moving coil : en pl
  • AU114556B2 - Improved flushing device for use with lavatory suites and for other purposes : en
  • US2271504A - Outlet box hanger : en
  • DE716872C - Arrangement for remote transmission of measured values : de en
  • GB542775A - Improvements in winding and tensioning means for releasable cables and steel tapes, such as are used for supporting and releasing bombs on aircraft : en
  • BE443905A - : en fr
  • BE443594A - : en
  • BE443574A - : en
  • CA402471A - Massage device : en fr
  • CA402525A - Wringer : en fr
  • DK59427C - Device for electrically powered household appliances. : da en
  • CH219222A - Surface grinding machine. : de en
  • USD131255S - Design for a display board or the like : en
  • USD131261S - Needlepoint tapestry fabric or similar article : en
  • CH219066A - Protective blanket for drift beds and greenhouses. : de en
  • CH219276A - Resistance switch. : de en
  • PL30274B1 - Fireproof cupboard, especially for storing bottles or similar vessels with flammable substances : en pl
  • US2271354A - Plow disk : en
  • CH219258A - Device for adjusting a prime mover. : en fr
  • DE716825C - Wiper drive : de en
  • CH219341A - Process for the production of alkali percarbonate. : de en
  • FR869253A - Dictinct charge air radiators placed behind the plane of the cylinders of air-cooled star engines : en fr
  • GB542853A - Improvements in circuit arrangements for operating electric discharge lamps : en
  • USD131221S - Design for an ice cream cone : en
  • PL30255B1 - Auger tip with hard metal inserts for rotary drilling in salt, coal or stone : en pl
  • PL30294B1 - : en pl
  • SU60675A1 - Device for leveling the load under the segments of the generator hydrogenerator : en ru
  • US2270928A - Shaft seal : en
  • DE716630C - Device for sealing high-pressure piston compressors : de en
  • DE716747C - Procedure for de-liming ashed bare : de en
  • FR869202A - Mechanical pencil with tip and guide tube of the mine movable under the action of a push cap : en fr
  • US2270908A - Vending machine : en
  • GB542724A - Improvements in or relating to pawl and ratchet devices particularly for brakes of motor vehicles : en
  • US2271023A - Method of treating magnesium : en
  • GB542740A - Improvements in and relating to ships' hatch covers : en
  • GB542842A - Improvements in or relating to barrier joints or terminations for electric power cables : en
  • BE443856A - APPAREIL ELECTRIQUE D'IRRADIATION A LAMPE A VAPEUR METALLIQUE SOUS HAUTE PRESSION : de en
  • CA402479A - Washing machine control : en fr
  • FR869227A - Two-piece wooden sole : en fr
  • US2270942A - Stereopticon slide : en
  • ES148760A1 - NEW LIQUID ELEVATOR SYSTEM : en es
  • FR869201A - Further training in refrigeration cabinets : en fr
  • FR869278A - Electric heater : en fr
  • FR869240A - Adjustment device on mechanical and electrical measuring instruments : en fr
  • FR869316A - Gas generator for use in supplying internal combustion engines : en fr
  • GB542768A - Improvements in cardboard or like boxes or containers : en
  • GB542781A - Improvements in or relating to welding : en
  • FR869235A - Improvements to portable topographic boards : en fr
  • US2270863A - Heating of fluids : en
  • US2271246A - Motor vehicle body : en
  • FR869333A - Gear hobbing machine with swiveling worktable : en fr
  • FR869261A - Process for preparing sulfur dyes : en fr
  • GB542868A - Improvements in or relating to sound producing toys : en
  • FR869339A - Method and device for electric resistance welding : en fr
  • CH219145A - Process for the production of a basic methine dye. : de en
  • US2271402A - Rotary internal combustion engine : en
  • GB542760A - Improvements in speed governors for power engines : en
  • DE716642C - Heating block, especially for laboratory purposes : de en
  • FR869395A - Device for writing in several colors : en fr
  • FR869246A - Improvements relating to control valves for fluid pressure : en fr
  • FR869309A - Safety device for compressed gas containers : en fr
  • GB542792A - An improved apparatus for course steering on aircraft : en
  • USRE22013E - Means for joining constructional : en
  • DE716657C - Device for stepless regulation of the delivery rate of reciprocating compressors : de en
  • DE716707C - Device to avoid glare from headlights : de en
  • DE716814C - Electric fan : de en
  • ES148815A1 - A PROCEDURE FOR BUILDING LUMINOUS LETTERS : en es
  • FR869300A - Device for maintaining in a suitable position and with the suitable inclination of paintings, engravings, photographs, etc., framed : en fr
  • FR869313A - Immersion automatic flushing device : en fr
  • CA402436A - Insulated conductor producing apparatus : en fr
  • ES148769A1 - A TELEPHONE APPARATUS, ESPECIALLY WITH A SPEAKER : en es
  • FR869157A - Device reducing the loss of calories in the heating of containers on stoves and cookers : en fr
  • GB542800A - Jig for the construction of the hulls of wood or metal boats of round bilge form : en
  • USD131201S - Design for a combined radio and bedside table : en
  • GB542797A - Improvements in defensive armament : en
  • GB542875A - Process of preparing the common reed for utilisation of its stem matter in the production of cellulose : en
  • FR869209A - Coke oven : en fr
  • GB542790A - Improvements in laminated blades for airscrews : en
  • GB542881A - Improvements in and relating to brake operating mechanism : en
  • PL30246B1 - : en pl
  • US2270855A - Ophthalmic mounting : en
  • US2271047A - Valve : en
  • US2271273A - Hydraulic brake control for bicycles : en
  • DE716723C - Process for the production of concentrates for fruit and vegetable juices : de en
  • US2270920A - Arrangement for exhausting and discharging air from and into the skin layer : en
  • US2271480A - Hydraulic pressure system : en
  • FR869311A - Flexible remote control device : en fr
  • IE16250L - Separating and pulverising solid materials : en
  • DE716786C - Eraser template with reinforcement plate and adhesive coating : de en
  • FR869265A - Twin explosive engine, no reaction : en fr
  • DE716664C - Hand shaking device with rotating balancing masses for inner shaking of concrete or the like : de en
  • SU60697A1 - Device, for signaling the position of various electrical apparatus : en ru
  • US2271251A - Buckle for belts : en
  • US2271187A - Sheet handling apparatus : en
  • US2270970A - Fur cutting knife : en
  • DE716867C - Boot seal : de en
  • GB542762A - Improvements in or relating to brakes : en
  • CA402495A - Circuit breaker : en fr
  • US2270886A - Automatic starting and change-over operating mechanism for motion picture projectionmachines : en
  • PL30258B1 - Vereinigte Eisenbahn - Signalwerke Gesellschaft mit beschrankter Haftung, Berlin-Siemensstadt Electrical joint without mechanical locks of the switch actuator : en pl
  • US2270977A - Motor vehicle heater : en
  • US2271267A - Self-locking nut : en
  • US2271470A - Building board bundle : en
  • CA402476A - Fluid heating unit : en fr
  • GB542757A - Improvements in and relating to copper alloys : en
  • US2270852A - Separating of gas mixtures : en
  • FR869242A - Process for the manufacture of flat products, tubes, bars and articles of other shapes of desired configuration in polyamides : en fr
  • DE716740C - Airspace-insulated conductor with spacers made of polyvinyl compounds for high-frequency cables, arranged at short intervals : de en
  • DE716758C - Hanging frame for hanging files : de en
  • DE716819C - Typewriter with automatic summation device for non-decade calculations : de en
  • ES148807A3 - A PROCEDURE FOR EXTERNALLY COATING OR COATING THE CYLINDERS OF TYPEWRITERS, CALCULATING AND THE LIKE : en es
  • FR869383A - Vegetable fuel agglomerates : en fr
  • CA402496A - Squirrel cage dynamo-electric machine : en fr
  • DE716264C - Reception arrangement for rotary radio beacons : de en
  • GB542778A - Improvements in or relating to escapement devices, particularly for printing telegraph apparatus : en
  • GB542836A - Anti-knock fuel : en
  • US2271371A - Iron with illuminating device : en
  • US2271082A - Aerial bucket tramway : en
  • DE716768C - Flat knitting machine and method for hanging needle stitches : de en
  • US2271389A - Treated casein and process : en
  • US2271132A - Buckle : en
  • US2270995A - Magazine phonograph : en
  • FR869205A - Hot water tank : en fr
  • PL30264B1 - : en pl
  • DE716903C - Temperature regulator for oven : de en
  • FR869234A - Device for cooling spherical rotating spools for controlling internal combustion engines : en fr
  • SU60602A1 - Device for reloading fish from slots, etc. containers : en ru
  • USPP501P - Sose plant : en
  • CA402439A - Ski tow rope gripper : en fr
  • CH219116A - Edge decoration, as well as method and device for their production. : de en
  • GB542848A - Improvements in bunks and the like : en
  • FR869188A - Centrifugal force clutch for motor cars : en fr
  • CH219104A - Process for the manufacture of artificial textile fibers. : en fr
  • AU114555B2 - Improvements to carrier wave communication systems : en
  • USD131235S - Design fob a bkooch or similar article : en
  • SE103624C1 - : en
  • CA402469A - Oil filter : en fr
  • CA402493A - Electric fuse : en fr
  • CA402459A - Hydraulic window regulator : en fr
  • CH219336A - Compressed air control device for electric traction vehicles. : de en
  • DE716429C - Device for writing and punching cards : de en
  • FR869371A - Rear wheel suspension for bicycles and more particularly for motorcycles : en fr
  • US2271296A - Course-indicating apparatus for vehicles : en
  • ES148774A1 - SOME IMPROVEMENTS IN THE PROCEDURE OF TYPOGRAPHIC COMPOSITION : en es
  • GB542880A - Improvements in or relating to torsional vibration dampers : en
  • US2270865A - Locomotive stoker : en
  • US2271178A - Stop motion : en
  • FR869399A - Casing for pocket batteries and batteries provided with this casing : en fr
  • DE710810C - Coffee or tea brewer : de en
  • DE716750C - Device for removing tangentially separated material from centrifugal separators : de en
  • GB542844A - Improvements relating to fuel injection in internal combustion engines : en
  • DE716868C - Clamp switch : de en
  • DK59425C - Multiple rotary capacitor. : da en
  • US2271201A - Hospital bed : en
  • US2271325A - Heat-choke soldering iron : en
  • US2271415A - Refrigerating means for vehicles : en
  • US2271286A - Strainer structure : en
  • FR869384A - Multi-motor drive, especially for propeller shafts : en fr
  • GB542812A - Improvements in the manufacture of quaternary ammonium compounds : en
  • PL30252B1 - A method of fixing cracked gasolines : en pl
  • DE716680C - Arrangement to avoid reception interference on a road with metal insert : de en
  • DE716820C - Device for stepless speed control of a charger for internal combustion engines in aircraft : de en
  • GB542807A - Improvements in sawing or cutting machines : en
  • FR869318A - Device for controlling the operation at different speeds of electric vehicle engines : en fr
  • FR869342A - Device to hide openings in buildings : en fr
  • GB542888A - Improvements in or relating to double roofing : en
  • FR869327A - Method and device for the treatment of household refuse and similar wastes : en fr
  • GB542815A - Improved machine for cutting wire to accurate lengths : en
  • ES148798A1 - MECHANISM FOR TORSION TO THE PREPARATION IN HILATURE : en es
  • FR869291A - Deformable tube for pasty and liquid products, as well as its manufacturing process : en fr
  • GB542728A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type : en
  • GB542866A - A work holder for use on a metal cutting or grinding machine : en
  • DE707403C - Steering ring for vehicles : de en
  • FR869305A - Reinforced cement body and their manufacturing process : en fr
  • GB542793A - Improvements in and relating to steering control mechanism for power-driven land traversing vehicles : en
  • GB542735A - Anchorages for cables : en
  • US2271334A - Lens grinding machine : en
  • ES148814A1 - A PROCEDURE FOR THE PRODUCTION OF LINÓLEUM CLADDINGS FOR PAVEMENTS AND OTHER APPLICATIONS : en es
  • GB542745A - Improvements in or relating to electric contact making relays : en
  • FR869267A - Film reel camera with lens shutter : en fr
  • GB542821A - Improvements in or relating to electric relay devices : en
  • GB542858A - Improvements relating to prepayment electricity and other like meters : en
  • DE716824C - Film reel : de en
  • GB542785A - Apparatus for preparing and laying road surfacing material : en
  • US2270848A - Gauge for paper cutting and like machines : en
  • FR869299A - Flexible tube for vacuum cleaning apparatus and other similar applications : en fr
  • GB542862A - Improvements in machines for pointing bolts or otherwise operating on the smaller ends thereof or on the smaller ends of pins and other headed articles of a like kind : en
  • DE716687C - Interlocking circuit for electromotive driven, in both directions working conveyor systems : de en
  • FR869163A - : fr
  • DE716742C - Connection terminal for direct connection of conductors to electrical high-voltage devices : de en
  • DE716892C - Liftable and lowerable strip rotating platform : de en
  • FR869179A - Casting device allowing the manufacture of blocks and bars of plated metal, in particular aluminum alloys : en fr
  • FR869385A - Charge air cooling device : en fr
  • SU60669A1 - The method of controlling the hardness of the cutting tool : en ru
  • CH219262A - Lamella heat exchange device. : de en
  • GB542809A - Improved insecticides : en
  • US2271353A - Boiler circulating system and pump : en
  • US2271405A - Removing curing bags : en
  • GB542903A - Improvements in or relating to capstan lathes : en
  • FR869381A - Plug-in coupling for electrical connecting cables of vehicle trains : en fr
  • DE715559C - Telecommunication cable clamping plate equipped as a quick changeover switch, especially in cable terminating devices : de en
  • FR869328A - Manufacturing process for safety drills for minors : en fr
  • GB542893A - A time lag device for use in connection with a tripping device of an electric circuit breaker : en
  • FR869350A - Method and devices for electro-acoustic sound transmission : en fr
  • FR869220A - Device for cutting beans and the like : en fr
  • FR869344A - Jet nozzle for aircraft engines : en fr
  • CH219221A - Method and device for producing at least one profiled element from fusible plastic. : de en
  • GB542855A - Improvements in and relating to masks for vehicle head lamps : en
  • CA402481A - Floor mat manufacture : en fr
  • GB542824A - Improvements in or relating to cranes : en
  • US2271396A - Locking bar acturating mechanism : en
  • US2271013A - Truing apparatus for abrading machines : en
  • US2271390A - Throttle valve for carburetors and other conduits : en
  • US2271460A - Apparatus for the production of music : en
  • US2271471A - anderson : en
  • CH219254A - Burner device for gas turbine systems. : de en
  • DE716641C - Device for determining the content of toxins in the air : de en
  • GB542730A - Improvements in or relating to arrangements for telegraph transmission : en
  • US2270881A - Wareroller strap device : en
  • US2271164A - Exercising device : en
  • USD131220S - Frame for a display board or the like : en
  • USD131237S - Design for a brooch or similar article : en
  • GB542846A - Improvements in the treatment of milk and products thereof : en
  • US2270924A - Filter : en
  • US2271495A - Snap fastener and snap fastener installation : en
  • US2271090A - Key holder : en
  • GB542729A - Improvements in or relating to the washing of sand, gravel and the like : en
  • DE716817C - High pressure liquid circulation heating system : de en
  • ES148791A1 - NEW OVEN SYSTEM FOR COOKING CERAMIC PRODUCTS : en es
  • US2271086A - Pumping jack : en
  • USD131225S - Brooch or similar article : en
  • FR869170A - Method and devices for ensuring the secrecy of telephone communications : en fr
  • CH219263A - Heat exchanger with tube bundles. : de en
  • US2271137A - Valve seat : en
  • DE716649C - Receiving device for electrical telemetry systems using the character combination method : de en
  • DE716815C - Bell for bell works, signaling purposes, etc. like : de en
  • CH219272A - Method for insulating objects by means of an insulation containing inorganic fibers. : de en
  • GB542731A - Process for the production of stilbene dyestuffs : en
  • US2270961A - Electrically actuated heat motor : en
  • CH219327A - Kinkless switch for overhead monorails with electrically operated monorail vehicles. : de en
  • US2271040A - Magnetic material and process of making the same : en
  • US2271262A - Article holder : en
  • USD131266S - Design foe a brooch or similar article : en
  • CA402535A - Paper manufacture : en fr
  • CH219268A - Multiple brush holder. : de en fr
  • US2271218A - Method of decomposing maize straw for textile purposes : en
  • CH219202A - Waterproof watch box. : en fr
  • US2271229A - Fog inhibitor for photographic developers : en
  • US2270907A - Diffuser : en
  • DE716789C - Device for holding and depositing a tobacco leaf on leaf stalk devices : de en
  • BE443739A - : en
  • CH219346A - Process for the preparation of an unsaturated derivative of pregnane-3,20-dione. : de en
  • USD131233S - Design for a brooch or similar article : en
  • US2271425A - Coupling : en
  • CA402546A - Catalyst regeneration : en fr
  • US2271301A - Filter apparatus : en
  • DE716772C - Method for monitoring the damping effect in goods receivers : de en
  • GB542804A - Improvements in or relating to electric protective arrangements : en
  • GB542891A - Improvements relating to soles and/or heels for boots or shoes : en
  • US2271192A - Process of treating plastic sheets : en
  • CA402465A - Cooking range : en fr
  • PL30250B1 - Vereinigte Eisenbahn-Signalwerke Gesellschaft mit besohrankter Haftung, Berlin - Siemensstadt. Connection system for ambiguous signals with control of lamps by means of electromagnetic switches connected in series with them : en pl
  • US2271160A - Plate clamping mechanism for printing machines : en
  • CH219239A - Pneumatic lubricator. : de en
  • FR869272A - Method of manufacturing building elements, such as plates, tubes or the like, from hardening materials, for example cement : en fr
  • US2271318A - Conversion of hydrocarbon oils : en
  • US2271409A - Phosphatidic composition : en
  • US2271332A - Table leg fixture : en
  • CH219148A - Process for preparing a rubber-based composition having good fire resistance and electrical insulation properties. : en fr
  • DE716823C - Device for setting the range finder arranged on cameras and coupled with interchangeable lenses : de en
  • FR869315A - Combination lock, for anti-theft devices, padlocks and security locks : en fr
  • CH219247A - Driving blades for wind power plants. : de en
  • AU104741A - Improvements relating tothe treatment of biscuits andthe like articles : en
  • CH219225A - Shaver with steam heater. : de en
  • US2271093A - High molecular weight substance : en
  • US2271123A - Vulcanization of rubber : en
  • FR869219A - Periodic oscillation amplifier : en fr
  • US2271175A - Portable rotary grater : en
  • CH219177A - Tracer projectile. : en fr
  • CH219229A - Deposit device, in particular for tools. : de en
  • CH219278A - Contact selector arrangement intended for remote control systems. : de en
  • CA402467A - Swing saw : en fr
  • US2271220A - Azo compound and material colored therewith : en
  • US2271297A - Laundry marking pin holder : en
  • US2271167A - Mop construction or the like : en
  • US2271188A - Material dispensing apparatus : en
  • US2271291A - Wave translating system : en
  • CA402440A - Lighting and air impelling device : en fr
  • US2271084A - Bell ringing mechanism : en
  • USD131207S - Design for a button : en
  • US2271039A - Pickup or tone arm for phonographs and the like : en
  • US2271172A - Rear sprocket wheel for crawler tractors : en
  • CA402466A - Baked goods making process : en fr
  • FR869275A - Nozzle, variable section, for gasifiers : en fr
  • CH219261A - Small refrigeration machine with encapsulated, electric motor driven piston compressor. : de en
  • CA402455A - Detachable drill bit making apparatus : en fr
  • CH219136A - Device for decelerating the kinetic energy of a suddenly thrown open closure lid of reaction containers with the aid of a compression cylinder. : de en
  • DE716818C - Vibration meter with spring-loaded wand : de en
  • ES148794A1 - A PROCEDURE FOR THE MANUFACTURE OF PUNTILLAS Y ENTREDOSES : en es
  • FR869285A - Method of changing speed for electric vehicles with accumulators, and switch allowing its implementation : en fr
  • FR869296A - Wood charcoal oven : en fr
  • DE716842C - Process for the production of easily suspendable, powdery copper oxychloride pairs for plant protection purposes : de en
  • CH219290A - Electron microscope. : de en
  • DE716643C - System for guard control, police reports or the like. : de en
  • DE716658C - Process for the preparation of injectable colloid-containing solutions of the blood sugar lowering hormone of the pancreatic gland : de en
  • US2270879A - Can opening device : en
  • US2271338A - Collapsible boat : en
  • US2271501A - Centrifugal separating process : en
  • CA402489A - Seam construction : en fr
  • US2270946A - Hydraulic blending machine : en
  • US2271091A - Method and apparatus for heat treating and sintering : en
  • US2271445A - Gun control mechanism : en
  • CH219287A - Arrangement for the detection of frame closures. : de en
  • US2270965A - Ultra high frequency relay system : en
  • US2270915A - Special service communication system : en
  • US2271395A - Machine for and method of making raised bottom baskets : en
  • DE716734C - Height adjustment of the horizontal frames and skylights of a stage lighting : de en
  • US2270876A - Alternating current coercing means for gyroscopes : en
  • DE716660C - Machine tool for the clean milling of cast metal plates : de en
  • DE716731C - Device for holding fabric webs used as flags taut : de en
  • CH219227A - Clamping tool. : en fr
  • DE716634C - Device for generating a negative pressure in the ear as protection against noise : de en
  • CH219113A - Thread guide. : de en
  • US2270861A - Machine tool : en
  • CA402446A - Overhead tank valve : en fr
  • CA402540A - Tire : en fr
  • FR869298A - Device for vacuum cleaning : en fr
  • FR869314A - Pig irons with controlled graphitization, and process for the manufacture of such irons : en fr
  • PL30249B1 - Vereinigte Eisenbahn-Signalwerke Gesellschaft mit beschrankter Haftung, Berlin - Siemensstadt. Connection system for ambiguous signals with control of lamps by means of electromagnetic switches connected in series with them : en pl
  • DE716835C - Electrical insulating tape : de en
  • US2271453A - Load compensating temperature control system : en
  • DE716899C - Jackhammer : de en
  • US2271274A - Valve : en
  • FR869156A - Positive displacement compressor, in particular for supercharging engines : en fr
  • US2271448A - Table : en
  • US2271101A - Process for treating fabric containing rubber thread : en
  • US2271417A - Dewatering and classifying conveyer : en
  • DE716847C - Device for automatic control of the loading of grinders : de en
  • FR869251A - Improvements to direct reading direction finders : en fr
  • DE716784C - Direction indicators for motor vehicles, especially motorcycles : de en
  • DE716745C - Device to improve the commutation in multi-phase rectifiers working with mechanically moved contacts : de en
  • PL30300B1 - Radioaktiengesellschaft D, S, Loewe, Berlin-Steglitz / Connection system of the photoelectron lamp for the production of carrier vibrations : en pl
  • US2271329A - Mechanical pencil : en
  • GB542756A - Improvements in or relating to an emergency and signalling outfit : en
  • ES148777A3 - IMPROVEMENTS IN THE NIBS USED IN THE STYLOGRAPHIC PENS : en es
  • DE716838C - Process for reviving cleaning compounds : de en
  • PL30251B1 - Hazeltine Corporation, Jersey City, New Jersey. Single-line superheterodyne receiver : en pl
  • US2271153A - Square can seaming head : en
  • USD131265S - Design for a brooch or similar article : en
  • US2271073A - Insurance vendor : en
  • USD131200S - Design for a book cover or similar article : en
  • DE716870C - Lifting device for plan machining tools on boring bars or the like. : de en
  • DE716654C - Circuit for two call stations connected in parallel to a common connection line : de en
  • ES148817A1 - IMPROVEMENTS IN ELECTROMAGNETIC INJECTORS FOR INTERNAL COMBUSTION ENGINES : en es
  • DE681029C - Friction gear : de en
  • GB542871A - Improvements in hydraulic control mechanisms : en
  • CH219110A - Strappy stretching unit with routing. : de en
  • US2271311A - Rail puller : en
  • FR869252A - Ultra-short wave reception method : en fr
  • DE716828C - Bell jar : de en
  • US2271170A - Hopper : en
  • US2270857A - Carcass spreader : en
  • US2270873A - Multiple discharge and venting assembly : en
  • SU58863A1 - A device for studying the frequency spectra of quartz plates : en ru
  • US2271203A - Amplitude-limiting signal-translating channel : en
  • US2271494A - Bridle brush : en
  • USD131226S - Design for a brooch or similar article : en
  • GB542738A - Improvements in and relating to the electrolytic refining of aluminium : en
  • FR869218A - Device for the production of signals, in particular for television transmitting systems : en fr
  • US2270841A - Wash fastness of sizes with chloral addition products : en
  • US2271454A - Method of forming a reproducting of an article : en
  • USD131247S - Design for a brooch or similar article : en
  • US2270890A - Harvester mechanism : en
  • US2270945A - Sandblasting stencil and method of making same : en
  • CH219285A - Arrangement for detecting the frame closure of electrical windings. : de en
  • US2271485A - Toaster : en
  • DE716785C - Knife for loosening the fat layer of skin : de en
  • GB542783A - Improvements in and relating to automatic stokers for furnaces, forges and the like : en
  • FR869356A - Pulse transmitter with spring mechanism : en fr
  • CH219106A - Process for the manufacture of artificial textile fibers. : en fr
  • GB542894A - Improvements in electric circuit-interrupting systems : en
  • US2271305A - Traffic signaling system : en
  • US2271474A - Shoe finding : en
  • US2271241A - Typewriter attachment for articles of furniture : en
  • CH219351A - Automatic distributor and regulator device for compressed fluid brake systems for vehicles. : en fr
  • DE716887C - Device for the production of refractory linings in centrifugal casting molds : de en
  • FR869376A - Control, especially for propellers rotating in the opposite direction : en fr
  • US2270974A - Centerless grinder : en
  • US2271465A - Underfloor duct : en
  • DE716754C - Light liquid separator : de en
  • FR869210A - Method and device for removing fine suspended particles and the like from liquids : en fr
  • US2271079A - Structural element : en
  • GB542856A - Improvements in or relating to rug-making needles : en
  • ES148824A3 - A PROCEDURE FOR THE MANUFACTURE OF PEANUT BUTTER : en es
  • FR869352A - Device for preventing the printing of zeros in front of whole numbers in accounting, calculating and similar machines : en fr
  • GB542786A - Improvements in or relating to portable cranes : en
  • US2271012A - Riveting clamp : en
  • US2271335A - Reel clip : en
  • US2271384A - Three component interpolymers : en
  • US2271435A - Controllqable pitch propeller : en
  • US2271406A - Process of making soap : en
  • BE443683A - : en
  • PL30248B1 - A method of arming all kinds of objects and structures made of concrete or similar materials, and a device for using this method : en pl
  • US2271438A - Gear cutting and finishing machine : en
  • US2271472A - Building construction : en
  • CH219348A - Process for the preparation of 3,3'-di- (bis-dioxypropyl) -amino-4,4'-dioxy-5,5'-di- (acetylamino) -arsenobenzene. : de en
  • FR869247A - Check valve for electric accumulators, in particular for alkaline accumulators : en fr
  • CA402480A - Rotary hydraulic machine : en fr
  • GB542806A - Rotary indicating device : en
  • FR869288A - Improvements to the lean gas supply of engines : en fr
  • USD131243S - Design for a brooch or similar article : en
  • GB542727A - Improvements in and relating to sliding-bolt actuated guns, rifles and the like : en
  • US2271130A - Buffing and shaping machine for tires and the like : en
  • ES148765A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRICAL CURRENT SWITCHES OWN FOR PORTABLE LAMPS : en es
  • GB550918A - Improvements in means for controlling the voltage applied to alternating current load circuits : en
  • FR869229A - Time contactor with discharge vessels between power source and consumer : en fr
  • GB542744A - Improvements in pneumatic hoists : en
  • GB542861A - Improvements in or relating to electrical highly-inductive apparatus such as power transformers and chokes : en
  • FR869233A - Internal combustion engine : en fr
  • CH219312A - Trigger mechanism for self-sellers for electricity, gas, water or the like. : de en
  • FR869337A - Device for regulating the power of internal combustion engines, in particular for aircraft engines : en fr
  • DE716839C - Stroboscopic device for checking gears, worms or the like for pitch errors : de en
  • FR869161A - Dropper device : en fr
  • GB542761A - Improvements in or relating to carburetors : en
  • DE716856C - Time switch device with stepping mechanism : de en
  • US2270947A - Core oil : en
  • DE716781C - Wooden, laminated propeller : de en
  • DE716794C - Process for the production of a double edge beginning, in particular for stockings, on the flat weft knitting machine and device for carrying out this process : de en
  • CH219101A - Process for producing crimped rayon from viscose. : de en
  • CH219279A - Device for keeping an electrical variable constant for electricity consumers connected to a network. : de en
  • US2271038A - Tempering glass : en
  • US2271071A - Carrier : en
  • CA402463A - Fur treating preparation : en fr
  • FR869230A - Improvements to the stoppering of containers or tubes : en fr
  • US2271490A - Hose support : en
  • CH219099A - Steam cooker for placing on saucepans. : de en
  • US2271249A - Multiplying and accounting machine : en
  • US2271321A - Airplane wing structure : en
  • PL30278B1 - Method for the manufacture of artificial threads or similar products from alkaline solutions of casein or other protein solutions using acid pre-baths : en pl
  • US2270918A - Dual wheel vehicle : en
  • US2271227A - Lens mount : en
  • PL30268B1 - : en pl
  • US2271050A - Winding frame : en
  • US2271154A - Washer and bolt assembly machine : en
  • CA402520A - Crude rubber preparation : en fr
  • CH219144A - Process for the preparation of 2-methyl-3-carbethoxy-4-phenoxymethyl-5-cyano-6-oxypyridine. : de en
  • US2270937A - Shoe form and attachment : en
  • CA402544A - Manufacture of oxygenated products from olefines : en fr
  • CA402485A - Washing machine agitator : en fr
  • CH219194A - Calculator installation. : en fr
  • CH219246A - Hydraulic pump. : en fr
  • US2271228A - Photographic film subbed with hardened gelatin : en
  • US2271083A - Hydrogenation of sugars of two to four carbon atoms : en
  • US2271127A - Phosphatidic compounds : en
  • US2271135A - Dispenser : en
  • US2271300A - Directive antenna : en
  • DE716685C - High-performance electrical switch of the Frieststrahl design : de en
  • GB542877A - Improvements in and relating to the cutting and sorting of paper and like sheets from a continuous web : en
  • CH219205A - Spring winding on synchronous watches with power reserve. : de en
  • DE716656C - Locking device for the runner of a Ferraris overcurrent time relay : de en
  • CH219062A - Installation for mechanical tillage. : en fr
  • CH219118A - Holder for star thread spools on sewing machines. : de en
  • US2271207A - Remote control arrangement : en
  • USD131224S - Design for a knife hand guard : en
  • DE716757C - Process for the production of water-insoluble azo dyes on cellulose fibers : de en
  • DE716792C - Process for the production of lubricating oils : de en
  • GB542857A - Improvements in and relating to protective means for electric circuit breakers : en
  • GB542889A - Improvements relating to ball valves, particularly for use in pumps : en
  • PL30281B1 - : en pl
  • GB542769A - Improvements in or relating to the production of fuel from bark waste : en
  • DE716395C - Circuit arrangement for determining the value of the individual series of current pulses acting on number current surge receivers in telecommunications systems, in particular telephone systems : de en
  • ES148812A3 - A PROCEDURE FOR THE MANUFACTURE OF EXOTHERMAL FLEXIBLE SUPPORTS FOR HAIR CURLING : en es
  • US2271253A - Bottle closure : en
  • FR869274A - Development of icing detectors : en fr
  • GB542765A - Improvements in or relating to the insertion of fasteners into workpieces : en
  • GB542822A - Improvements in or relating to ceiling roses or the like for electric lights : en
  • CA402437A - Eye exercising device : en fr
  • CA402441A - Multiple unit filter : en fr
  • DE716661C - Focusing screen for photographic cameras : de en
  • DE716765C - Gas-filled or vapor-filled discharge vessel serving as a rectifier, in particular a gas-filled metal vapor rectifier, in which the electrodes, which act as anodes in the transient phase, are provided with bores or slots or the like according to patent 667067 : de en
  • FR869319A - Method and devices for preparing a fuel for supplying internal combustion engines and other applications : en fr
  • GB542813A - Improvements in grid modulating systems for radio or like transmitters : en
  • DE698280C - Easily detachable connection for the electrical lines in cable ducts in aircraft consisting of a large number of interchangeable duct units : de en
  • DE716716C - Radiant boiler for combustion dust : de en
  • GB542829A - Improvements in electric circuit breakers having trip mechanism : en
  • DE716827C - Device for setting a drive device for toy vehicles : de en
  • DE716889C - Signal system operated by compressed air for the mine operation : de en
  • DE716683C - Electric gas switch : de en
  • FR869152A - Arrangement of clamping rolls in veneer collating machines : en fr
  • FR869254A - Orientable sleeve, in particular for the assembly of dismountable tubular frame elements : en fr
  • GB542734A - Improvements in or relating to the manufacture of artificial filaments, ribbons, foils and other shaped materials : en
  • CA402514A - Glass wool : en fr
  • CH219162A - Reflex camera. : de en
  • FR869389A - Sliding frame for jerk slide : en fr
  • FR869264A - Device for mutual power exchange by contact converters between an alternating current network and a direct current network : en fr
  • DE716362C - Process for producing master copies for autotypical gravure printing : de en
  • FR869326A - Apparatus for tensioning bands such as belts, threads or the like, for tying boxes, bales, crates, and other bodies : en fr
  • US2271104A - Coin testing device : en
  • US2271166A - Belt conveyer idler : en
  • FR869329A - Electro-mechanical device generating electricity : en fr
  • FR869302A - Mixer-metering unit for fluid fuels : en fr
  • US2270987A - Process of silver soldering : en
  • FR869308A - Bottle with two rings : en fr
  • US2270877A - Inductor alternating current generator : en
  • FR869336A - Method for increasing the light intensity of phosphorescent substances : en fr
  • GB542869A - Improvements in or relating to surgical dressings : en
  • ES148757A1 - IMPROVEMENTS IN TANKS FOR LIQUID STORAGE : en es
  • GB542832A - Improvements in carriages for cutting or sawing machines : en
  • GB542803A - An improved means for flanging the ends of malleable pipes or tubes for jointing purposes : en
  • GB542840A - Improvements in or relating to cutting torches or blow pipes : en
  • US2271118A - Rinsing apparatus : en
  • DE716852C - Flameless combustion catalyst : de en
  • GB542764A - Nut-locking devices : en
  • US2270968A - Press : en
  • SU60708A1 - Device for mechanically feeding nails into nailing machines for heels from the inside : en ru
  • US2271139A - Coil holder : en
  • DE716629C - Device for stepless regulation of the delivery rate of reciprocating compressors : de en
  • DE716681C - Process for the production of flexible high-frequency cables : de en
  • DE716830C - Koetzers winder with a thread guide gradually moving further according to the Koetz construction : de en
  • DK59434C - Footwear spinning and footwear sewing machine, especially Rands sewing machine. : da en
  • CH219133A - Method and device for treating food. : de en
  • US2271037A - Wrist watch strap buckle : en
  • US2270958A - Mixing apparatus : en
  • US2271362A - Refractory alkaline earth chromite casting : en
  • CH219122A - Device for moving laundry up and down in a washing vessel. : de en
  • CH219332A - Electrical signaling installation with contact line, applied to a traction network and intended to indicate, in various indicator stations of this network, the passage of the next vehicle. : en fr
  • CH219138A - Process for the manufacture of powdery and stable chloride of lime. : en it
  • DE716690C - Troughed grate firing with a plan grate that closes off the middle of the grate and consists of two extendable slag car halves : de en
  • US2271145A - Fluid operated device : en
  • USD131199S - Design for a fluorescent lamp fixture : en
  • USD131240S - Design for a brooch or similar article : en
  • AU114546B2 - Improvements relating to hydraulic intensifies : en
  • US2270853A - Knitting ornamented nonrun fabric : en
  • USD131236S - Design for a brooch or similar article : en
  • DE716836C - Process for the deacidification of products of hydrocarbon synthesis from carbon oxide and hydrogen : de en
  • FR869200A - evaporator for absorption refrigeration apparatus containing an auxiliary gas : en fr
  • FR869310A - Apparatus for treating grains and more particularly barley grains : en fr
  • BE443956A - : en
  • US2271255A - Bicycle : en
  • USD131203S - Design foe a door knocker : en
  • FR869361A - Improvements to direction-finding receiver systems : en fr
  • CA402580A - Air cleaning apparatus : en fr
  • US2271281A - Bed comforter : en
  • US2271360A - Tractor or other vehicle wheel : en
  • US2271011A - Two-stroke cycle engine : en
  • US2271324A - Flushing pigments : en
  • DE716633C - Device for spinning artificial threads from viscose solutions using the stretch spinning process : de en
  • US2271221A - Disengaging mechanism for spring motor drives : en
  • CA402503A - Rubber dispersion : en fr
  • US2271136A - Fisherman's rig and accessories : en
  • DE716906C - Brake control for trucks with hydraulic tractor brake and pneumatic trailer brake : de en
  • US2271020A - Thermostatic unit : en
  • US2271125A - Offset printing blanket : en
  • US2271242A - Method of making nonaging steel : en
  • US2271486A - Snubber : en
  • AU114558B2 - Improvements relating to electric torches : en
  • CH219119A - Method and machine for the production of a left and left warp knitted fabric. : de en
  • US2271070A - Deflecting circuit for cathode ray tubes : en
  • US2270906A - Piezoelectric crystal apparatus : en
  • US2271006A - Gas engine : en
  • FR869215A - Method and device for the manufacture of cast compound tubular bearings : en fr
  • CA402506A - Rubber deterioration retarder : en fr
  • CH219283A - Device for combating overcurrents. : de en
  • CA402449A - Hot air furnace : en fr
  • CH219335A - Spring switch for contact lines. : de en
  • USD131192S - Design for a typewriter : en
  • FR869159A - Orientable celestial map : en fr
  • FR869211A - Reciprocating wire guide : en fr
  • CH219089A - Rotary grate on gas generators. : de en
  • CH219170A - Ski binding with adjustable toe pieces. : de en
  • CA402579A - Gas turbine control apparatus : en fr
  • US2270882A - Gripping glove for golf clubs : en
  • US2271114A - Method of and means for supplying combustible mixtures to internal combustion engines : en
  • US2271373A - Method of tempering glass : en
  • AU114553B2 - Improvements in or relating to liquid pressure remote control systems, more particularly for operating soot blowers of boilers and the like : en
  • CH219169A - Pencil sharpener. : de en
  • DK59440C - Procedure for preserving meat and slaughter products. : da en
  • US2271293A - Ball and socket joint : en
  • CH219248A - Control device on triple steam locomotive engines with valve control. : de en
  • DE716524C - Process for the transmission of images with different tone values : de en
  • US2270954A - Apparatus for classifying sand or like granular material : en
  • BE443939A - Improvements to torque control devices for alternating current motors : en fr
  • US2270981A - Folding seat : en
  • US2271182A - Arrangement for electrically coupling an unbalanced load with a symmetrical voltage source or vice versa : en
  • US2270905A - Universal mercury circuit breaker : en
  • CH219264A - Heat exchange device. : de en
  • CH219200A - Watch movement with device to stop and restart the balance. : en fr
  • CH219259A - Hydraulische Regeleinrichtung. : de en fr
  • BE443756A - Process for the decomposition of wet waste : en fr
  • CA402462A - Thread making machine : en fr
  • CH219217A - Process for the manufacture of rolled taps. : de en
  • PL30296B3 - : en pl
  • USD131263S - Design for a textile fabric : en
  • US2271099A - Method of and means for protecting the exposed faces of automobile windshields : en
  • US2271103A - Refrigerated display cabinet : en
  • CH219208A - Magnesium alloy. : de en
  • DE716771C - Process for producing photographic sound recordings in serrated script : de en
  • GB542779A - Improvements in and relating to the dyeing of cellulose textile materials in the form of wound packages : en
  • CH219242A - Device for cooling the compressor room of air and gas compressors. : de en
  • US2271134A - Automobile heater and defroster : en
  • US2271381A - Straight bar knitting machine : en
  • USD131250S - Design for a bowl or similar article : en
  • USD131252S - Design fob a dress : en
  • CH219158A - Feet made of elastic material on precision mechanical devices. : de en
  • US2270934A - Control for refrigerating devices : en
  • CH219061A - Device for deep drilling and for the production of bored piles. : de en
  • US2271449A - Water heating apparatus : en
  • US2271483A - Meohanical pencil : en
  • CH219073A - Rail joint connection. : de en
  • US2270889A - Manufacture of pentaerythritolpolycarboxylic acid resins : en
  • US2271403A - Rotary liquid fuel injecting internal combustion engine : en
  • US2271285A - Putty knife : en
  • US2271407A - Soap product and method of making the same : en
  • USD131260S - Needlepoint tapestry fabric or similar article : en
  • CH219244A - Axial Carrier. : de en
  • CH219318A - Circuit arrangement for call time monitoring of self-dialing remote connections from coin-operated telephones. : de en
  • ES148752A3 - MECHANICAL DRYER FOR FABRICS : en es
  • ES148790A1 - A PUNCHING AND RIVETING MACHINE FOR THE MANUFACTURE OF METAL BASKETS AND CRYSTAL PACK PROTECTORS : en es
  • US2271502A - Ductile tubing connector : en
  • US2271043A - Isomerization of hydrocarbons : en
  • US2270932A - Faucet : en
  • FR869184A - Method and device for mixing concrete or the like : en fr
  • US2270962A - Timing mechanism : en
  • US2271165A - Water clarification and supply system : en
  • DE716759C - Viscos wetted fine filter : de en
  • DE716706C - Cutting device for sewing machines with fixed upper knife and movable lower knife : de en
  • PL30270B1 - Disintegrator for cleaning, cooling and mixing gases : en pl
  • FR869257A - Container designed to withstand high pressure : en fr
  • CH219297A - A base and a socket made of insulating material with a hood placed on it for electricity consumers, in particular for low-voltage high-power tubes. : de en
  • DE716648C - Device for transferring a liquid level in a container to a display device located outside the container : de en
  • DE716874C - End collar clamp for kink-free suspension of overhead lines : de en
  • FR869357A - Starch for finishing textile products and its manufacturing process : en fr
  • GB542808A - Improvements in carriages for cutting or sawing machines : en
  • DE716905C - Device for setting the boring bars of fine boring mills : de en
  • CH219075A - Cooking stove with built-in boiler. : de en
  • US2270975A - Chart holding device : en
  • FR869203A - Direct use of vitriolic sludge from the refining or regeneration of mineral oils from petroleum, coal, shale, lignite, peat, wood, etc. : en fr
  • US2270858A - Chain : en
  • US2271100A - Sound equalizer reproducer system : en
  • US2271503A - Process fob manufacture of deriva : en
  • US2271397A - Coin-controlled change-making vending apparatus : en
  • US2271380A - Eyepiece of optical instruments : en
  • US2270913A - Controlling temperatures in simultaneously conducted endothermic and exothermic reactions : en
  • US2271046A - Bumper guard or bumperette : en
  • GB542886A - Furnace or cell for carrying out aluminium refining process : en
  • US2270984A - Slide for multiple fasteners : en
  • BE443571A - : en
  • CH219266A - Single-phase transformer of high power and voltage with a trolley for transportation on the train. : de en
  • CH219175A - Large caliber handgun. : de en
  • CH219280A - Wire resistance. : de en
  • US2271240A - Calculating machine : en
  • PL30266B1 - C. Lorenz Aktiengesellschaft, Berlin-Tempelhoi! / Base plate for high or low frequency devices : en pl
  • DE716900C - Impact tool : de en
  • US2271252A - Drum clutch : en
  • SU60643A1 - Scraper : en ru
  • USD131229S - Rack foe spice containers or the like : en
  • GB542725A - Improvements in and relating to devices for unloading loose material from ships : en
  • GB542794A - Improvements in or relating to moulded articles from sawdust and other preparations and method of manufacture thereof : en
  • FR869271A - Bellows for expansion compensators, elastic bodies and other applications : en fr
  • CA402570A - Interlocking circuits : en fr
  • CH219112A - Weft winder with device for producing a thread reserve. : de en
  • CH219149A - Device for conveying wires through cleaning, pickling or plating baths. : de en
  • BE443785A - PROCESS FOR MANUFACTURING THE OUTREMER : en fr
  • US2271117A - Journal box packing holder : en
  • US2271256A - Saddle clamp : en
  • CA402537A - Degenerative amplifier : en fr
  • DE716752C - Fountain pen with a needle attached to a drop weight and passed through a writing tube : de en
  • ES148775A1 - IMPROVEMENTS IN CENTRIFUGAL FANS AIR INSUFFERS : en es
  • US2271063A - Apparatus and method for the molding of plastic materials : en
  • US2271248A - Calculating machine : en
  • US2271105A - Ditch cleaning and terracing machine : en
  • USD131194S - Radio cabinet or the like : en
  • FR869289A - Set of apparatus for gasification of solid fuels : en fr
  • US2271424A - Furnace : en
  • CH219199A - Self-winding watch. : en fr
  • BE443873A - Component of optical selector networks : en fr
  • ES148800A1 - A PROCEDURE TO FORM AND JOIN THE LINKS OF THE BELTS OR CHAINS OF TRANSMISSION OF MOVEMENT : en es
  • FR869191A - Method of manufacturing filter tips for cigarettes : en fr
  • US2271081A - Eaves trough and cover : en
  • USD131214S - Design for a bathtub : en
  • US2271282A - Pipe fitting : en
  • CH219325A - Exhibition and light stands. : de en
  • CA402460A - Waterproof brick wall : en fr
  • US2270868A - Hardened nonferrous alloys : en
  • US2270903A - Method of treating gases with pulverulent substances : en
  • US2271193A - Industrial thermometer : en
  • DE716810C - Arrangement for alternating current operation of an electric mixed light lamp : de en
  • US2271022A - Pump : en
  • FR869378A - Method of cleaning heating surfaces licked by hot gases in steam boilers, heaters and the like : en fr
  • GB542816A - Improvements in emergency hatches and man-hole covers : en
  • CH219084A - Device for mixing a flowing liquid with a liquid or gaseous medium. : de en
  • DE716672C - Continuous furnace system with roller conveyor conveyor through the exit lock : de en
  • DE716804C - Laundry scraper for disc rollers : de en
  • GB542851A - Method of heat treating corrosion-resistant nickel-base alloys containing molybdenum : en
  • FR869354A - Non-slip chain intended for tires in motor vehicles : en fr
  • GB542828A - Improvements in or relating to coal cutting machines : en
  • CA402529A - Combine : en fr
  • US2270898A - Listing machine : en
  • US2270940A - Heater : en
  • CA402445A - Grass cutter : en fr
  • GB542773A - Improvements in or relating to sewing threads : en
  • DE716650C - Device for level control of the following clocks, which are arranged separately from master clocks : de en
  • DK59428C - Method and apparatus for placing press material in the die by pressing sheets with a large surface content, such as building boards, doors, walls and similar plates, while using the small piece of press material. : da en
  • US2270969A - Filter device : en
  • US2271205A - Shuttle box : en
  • ES148778A1 - A WATER CIRCULATION AND WARMING DEVICE FOR SIMPLE KITCHEN BURNERS : en es
  • FR869353A - Device for rolling up awnings and tents : en fr
  • CH219299A - Apparatus for the hearing impaired. : de en
  • CA402536A - Heat generator : en fr
  • BE443721A - : en
  • CA402458A - Door check : en fr
  • CH219109A - Spinning or twisting spindle with tubular attachment. : de en
  • AU114548B2 - Improvements in or relating to machines suitable for use in performing a finishing operation on a bottom-portion of a shoe : en
  • CH219130A - Fitting element for sports shoes, in particular for soccer shoes. : de en
  • US2271461A - Chair construction : en
  • USD131204S - Design for a rubber boot : en
  • DE716756C - Striking tool for deforming sheet metal : de en
  • US2270843A - Rotary counterbalance : en
  • CH219201A - Shaped waterproof watch box. : en fr
  • GB542710A - A submarine escape apparatus : en
  • CA402435A - Dish washing or cleaning apparatus : en fr
  • CH219129A - Overshoe. : de en
  • CH219179A - Automatic firearm, especially pistol. : de en
  • DE716799C - Spring washer as screw locking : de en
  • US2271146A - Steam garment finisher set : en
  • US2271327A - Air nozzle : en
  • CH219107A - Process for the manufacture of artificial textile fibers. : en fr
  • CA402478A - Telemetric system : en fr
  • CA402512A - Connector device : en fr
  • CA402472A - Catadioptric device : en fr
  • US2271141A - Slider for separable fasterners : en
  • CH219236A - Housing of a power transmission gear. : de en
  • FR869279A - Improvements in heating devices and in particular radiators : en fr
  • CA402464A - Game : en fr
  • CH219210A - Process for the production of workpieces from composite metal. : de en
  • CA402453A - Fluid controlling valve : en fr
  • CH219183A - Sopporto universale per pezzi da tracciare o da lavorare. : en fr
  • DE716340C - Process for the production of an adhesive : de en
  • CH219256A - Process for the production of objects made of ceramic material, in particular of highly stressed parts of gas turbines. : de en
  • ES148751A3 - A PROCEDURE FOR MULTI-COLOR PRINTING OF WAXED FABRICS, HULES AND LEATHER FABRICS : en es
  • DE716691C - Instrument for examining body cavities : de en
  • DE716711C - Device for the elimination of the cracking noises caused by atmospheric and similar disturbances in receivers : de en
  • FR869396A - Assembly for telegraphy apparatus, in which a manipulator is joined to several receivers, preferably two, locally in an assembly : en fr
  • AU114560B2 - Hotwater unit : en
  • US2271206A - Guiding device : en
  • DE716694C - Stroboscope : de en
  • US2270978A - Light-tight shade construction : en
  • SU60562A1 - Intermediate spring rail fastening of a split system : en ru
  • US2270862A - Tobacco feed for cigarette machines : en
  • US2270973A - Collar holder : en
  • DE716812C - Process for the production of Kuepen dyes : de en
  • DE716548C - Device for mooring ships : de en
  • FR869366A - Seal ring, ready for installation, for moving machine parts : en fr
  • GB542838A - : en
  • CH219269A - Pole-changing broken hole winding for electrical machines. : de en
  • ES148786A1 - IMPROVEMENT IN HEATING APPLIED TO OVENS AND OTHER INDUSTRIAL FACILITIES : en es
  • USD131242S - Design for a brooch or similar article : en
  • USD131257S - Design fob a display board or the like : en
  • US2271328A - Calculating machine : en
  • BE443819A - : en fr
  • CA402517A - Cellular rubber : en fr
  • US2271149A - Variable pitch propeller hub construction : en
  • US2271258A - Display box : en
  • FR869273A - Folding umbrella : en fr
  • GB542805A - Improvements in variable leverage brakes : en
  • GR9755B - APPLIANCE FOR MAKING AND KEEPING HOT AND EATING AND BEVERAGES WITHOUT FIRE AND KEEPING COLD WITHOUT ICE. : el en
  • DE716858C - Process for generating long and evenly bright afterglowing fluorescent screen images in a cathode ray oscillograph : de en
  • DE716879C - Air-cooled in-line engine : de en
  • US2271017A - Method of producing hydrogenated hydrocarbon products : en
  • US2271058A - Method of making rubber cushion material : en
  • DK59433C - Procedure for the production of boron-free or boron-poor, titanium-containing enamels. : da en
  • CA402502A - Abrasive drum tool : en fr
  • DE716876C - Device for treatment with short or ultra-short electric waves : de en
  • US2271298A - Conversion of hydrocarbon oils : en
  • PL30244B1 - : en pl
  • GB542723A - Improvements in multiple divergence reflex reflecting devices : en
  • CA402484A - Scraper : en fr
  • PL30298B1 - The method of testing and controlling the composition of liquid mixtures on the basis of measuring the specific weight of a liquid mixture and a device for performing this method : en pl
  • PL30305B1 - : en pl
  • US2271434A - Portable material handling apparatus : en
  • FR869182A - Sewing machine with thread winding device : en fr
  • DE716739C - Touch microphone with carbon chamber : de en
  • FR869135A - Method and device for reproducing a television picture using a cathode ray tube and a separate light source : en fr
  • FR869377A - Cross-linkage of telescopic forks for motorcycles : en fr
  • US2271024A - Piston : en
  • CA402565A - Atomizer and dispersing device : en fr
  • CA402528A - Connecting rod : en fr
  • US2271477A - Loop and stitch forming device : en
  • CA13228S - Hopse shoe : en
  • FR869190A - Toy road with doubling spring motor vehicles : en fr
  • US2270914A - Dispenser : en
  • PL30256B1 - Apparatus having a fixed part and a rotating part mounted thereon : en pl
  • FR869346A - Wire guide drum for winding machines : en fr
  • US2271266A - Knob attaching fastener : en
  • FR869270A - Automatic tube closure : en fr
  • GB542833A - Improvements in or relating to the prevention of the autoxidation of oils, fats and fatty acids : en
  • FR869243A - Process for the preparation of polyesters containing amide groups of high molecular weight : en fr
  • FR869304A - Protective casing for pipes or other mainly buried bodies : en fr
  • US2270925A - Signal apparatus : en
  • US2271032A - Rotary cultivator : en
  • CH219291A - Electric periodic breaker. : de en
  • US2271128A - Rain cape construction : en
  • CH219143A - Process for the preparation of di- (p-acetaminobenzenesulfo) -2-aminothiazole. : de en
  • US2271045A - Furnace roof construction : en
  • US2271268A - Pressure gauge : en
  • US2270901A - Accelerator pedal actuating device : en
  • US2271186A - Short dot generator : en
  • US2271052A - Apparatus for washing or cleaning plates, dishes, and the like : en
  • US2271068A - Engine : en
  • US2271231A - Plural automobile window wiper and common master control valve therefor : en
  • US2270847A - Mixing tank : en
  • DE716767C - Attachment for chimneys and ventilation shafts : de en
  • DE716808C - Device for frequency measurement of a high-frequency alternating voltage in a small range, in particular for frequency monitoring of a transmitter : de en
  • ES148761A1 - IMPROVEMENTS IN CASH REGISTERS, CALCULATING AND ANALOGUE MACHINES : en es
  • US2271418A - Frequency-changing circuit : en
  • US2271498A - Method for making closed-cell cellular hard rubber and product of the method : en
  • GB542898A - Electromagnetic coils : en
  • DE716748C - Process for the production of panels and molded parts from fabric webs provided with binding agents : de en
  • DE716764C - Group compounding for several converters connected to the same AC network : de en
  • FR869214A - Anti-theft seat post for bicycle : en fr
  • GB542766A - Improvements relating to cartridge firing apparatus for power generation : en
  • GB542852A - An improved heating appliance for use in connection with green-houses, chicken coops, garages and like buildings : en
  • US2270998A - Spinning box : en
  • US2271374A - Process of coating metal surfaces : en
  • US2270874A - Method of activating catalytic surfaces : en
  • FR869266A - Brake device : en fr
  • FR869341A - Method and device for the synthetic manufacture of hydrocarbons : en fr
  • US2271181A - Rectifier system : en
  • US2271302A - Knitting machine : en
  • US2271393A - Ornamental key hold for handbags : en
  • SU60683A1 - Apparatus for improving commutation of AC collector machines : en ru
  • US2270922A - Piezoelectric crystal holder : en
  • US2271036A - Controller for fluid pressure clutches : en
  • CH219289A - Electron microscope. : de en
  • CH219195A - Talking machine with automatic plate feed. : de en
  • PL30295B1 - : en pl
  • US2271235A - Light shutter mechanism : en
  • CH219190A - Device for reducing errors in dynamometric meters. : de en
  • US2271355A - Panel : en
  • CA402508A - Phenol alkylation : en fr
  • CH219076A - Expansion vessel acting as a radiator on central heating systems. : de en
  • DE715976C - Two-axle bogie for rail vehicles : de en
  • CA402521A - Disc harrow : en fr
  • US2271349A - Radiator hose and drain : en
  • US2270967A - Glow tube : en
  • USD131216S - Design for a band saw : en
  • CA402497A - Circuit breaker : en fr
  • CH219198A - Timepiece. : en fr
  • GR9756B - ARTICLE VOICE SERIES. : el en
  • FR869154A - Product for gas cleaning and process for its manufacture : en fr
  • CH219189A - Automatic zero reduction device of the galvanometer of a zero reduction electrical measuring instrument. : en it
  • CH219235A - Method of connecting a tube and a fitting. : en fr
  • US2271056A - Oxidation of hydrogen chloride : en
  • US2271330A - Chair : en
  • GB542887A - Improvements connected with the grips of testing machines for fabrics and like non-rigid materials : en
  • CH219253A - Eddy current air filter. : de en
  • CH219155A - Visual file. : de en
  • USD131259S - Design tor a dress : en
  • CH219333A - Device for the transmission of signals of different importance in interlocking systems. : de en
  • PL30297B1 - Ht? PWt Zl / oo Firearms and a projectile for this weapon : en pl
  • US2271446A - Method of and means for purifying or otherwise treating fluids : en
  • CA402487A - Airplane wing : en fr
  • CH219182A - Device for testing workpieces for the coaxiality of individual sections. : de en
  • CH219273A - High voltage insulator. : de en
  • US2270885A - Casting mold : en
  • US2271108A - Incandescent lamp : en
  • SU60631A1 - Apparatus for sound reproduction of printed text : en ru
  • US2271074A - Removal of cellulose esters from precipitation vessels : en
  • US2270991A - Meter : en
  • US2271098A - Casing for door closing and checking devices : en
  • US2271209A - Electrodeposited tin and process of electrodeposition : en
  • US2271000A - Speech transmission system : en
  • US2271309A - Overhead door construction : en
  • ES148811A1 - A PROCEDURE FOR THE MANUFACTURE OF A SYNTHETIC MOLDING MATERIAL : en es
  • CH219337A - Control device. : de en
  • BE443825A - : en
  • US2271163A - Aircraft construction : en
  • US2271443A - Cement fibrous product : en
  • FR869248A - Glass bulb for lighter fluid : en fr
  • AU374640A - Hotwater unit : en
  • DE716894C - Control for adjustable gear shift transmission : de en
  • CH219146A - Process for the preparation of copper tetra (4) aminophthalocyanine. : de en
  • CA402566A - Engine cooling system : en fr
  • US2271432A - Tire and wheel structure : en
  • US2271451A - Metal trussless roof : en
  • CH219187A - Control arrangement designed for monitoring temperatures. : de en
  • CH219302A - Process for the separation of mixtures containing trans-estradiol and other hormones. : de en
  • CA402454A - Leather interlining processing : en fr
  • CA402515A - Glass stock for electric melting : en fr
  • US2271109A - Coin operated machine : en
  • US2271142A - Fluid-speed meter : en
  • US2271257A - Ejecting mechanism for headers : en
  • CH219257A - Gas turbine rotor made of ceramic materials. : de en
  • CH219305A - Device for extinguishing fires from metal chips containing magnesium. : de en
  • CH219313A - Teletype subscriber traffic, in particular for receiving the subscriber identification of subscribers involved in a telex connection and time information for the purpose of calculating charges in : de en
  • CH219282A - Arrangement for protection against switching overvoltages. : de en
  • CH219134A - Process for freezing fruits and vegetables. : de en
  • US2271035A - Cigarette case : en
  • US2270866A - Controlling means for hoists : en
  • CA402543A - Rotary kiln : en fr
  • CH219311A - Display device for credit and debts to self-sellers for electricity, gas or the like. : de en
  • ES148768A1 - A PROCEDURE TO JOIN ELECTRICAL CABLES : en es
  • FR869368A - Work jacket : en fr
  • GB542737A - Improvements in or relating to hydraulic clutches or couplings : en
  • GB542754A - Improvements in screw-cutting taps : en
  • FR869221A - Sheet metal spool for roll film : en fr
  • PL30277B1 - Smoke tank with a rotating grate with a rotating ash pan, equipped with milling knives and with a diving ring inserted into it : en pl
  • CH219131A - Shaped and shaped support for shoemaker. : en fr
  • CH219322A - Liquid level sensor. : de en
  • CA402511A - Electrical control apparatus : en fr
  • AU114552B2 - Improvements in or relating to liquid pressure remote control systems for operating soot blowers of boilers andthe like : en
  • CA402490A - Hand brake mechanism : en fr
  • BE443658A - Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products : en fr
  • US2271326A - Display reel : en
  • US2271204A - Combination lock : en
  • US2271122A - Process of vulcanizing rubber : en
  • CA402527A - Magnesium base alloy : en fr
  • CH219233A - Elastic wedge intended to be interposed between assembled machine elements. : en fr
  • DE716885C - Pan mill for the treatment of mixed goods : de en
  • CH219100A - Method and device for the production of a synthetic thread with an appearance similar to linen or raw silk. : de en
  • BE443569A - : en
  • US2270851A - Pocketknife : en
  • US2271106A - Laundry marking machine : en
  • CH219240A - Cable tensioning device for hoists. : de en
  • AU8841A - Modulation systems : en
  • FR869236A - Preselector control : en fr
  • GB542820A - Improvements in or relating to television systems : en
  • GB542873A - Improvements in or relating to apparatus for drawing and spinning worsted and other textile fibres : en
  • CH219328A - Pressurized fluid servo-control unit with two main cylinders, for hydraulic vehicle brakes. : en fr
  • CA402513A - Voltage stabilizing device : en fr
  • US2271200A - Wave filter : en
  • USD131244S - Design fob a dress : en
  • PL30263B1 - A method of compensating for the highlighting of low frequency components in resistance repeaters and a repeater for using this method : en pl
  • US2271026A - Rock drilling apparatus : en
  • CH219067A - Process for protecting hair, fur, feathers, fibrous materials and other goods from pests. : de en
  • CA402551A - Riveting machine work support : en fr
  • US2271087A - Electromagnetic transmission : en
  • CH219081A - Heat loss meter, d. H. External controllers, of heating systems. : de en
  • CA402474A - Manganese manufacture : en fr
  • US2271370A - Tire valve deflator : en
  • AU15541A - Improvements in or relating to liquid pressure remote control systems, more particularly for operating soot blowers of boilers and the like : en
  • CH219349A - Non skid horseshoe. : de en
  • USD131270S - Schreckengost window ventilator housing : en
  • US2271456A - Sign : en
  • DE716762C - Main switch for the collector battery of motor vehicles : de en
  • DE716850C - Test projectile for checking the ignition settings effected by a ignition actuator : de en
  • CH219095A - Sitting and lying mat. : de en
  • AU27441A - Improvements in and relating tothe mounting of mincing machines : en
  • CH219065A - Threshing machine with several threshing devices arranged one behind the other. : de en
  • CH219094A - Table service holder. : en fr
  • US2270982A - Variable point distributor : en
  • US2270849A - Internal combustion engine : en
  • US2270966A - Electromagnetic relay : en
  • US2271492A - Moistureproofing composition : en
  • CH219306A - Lung-controlled valve arrangement with main and auxiliary valve for respiratory protection and oxygen treatment devices. : de en
  • CH219151A - Process for the production of flexible cardboard from waste paper. : de en
  • CA402488A - Seam weld : en fr
  • FR869212A - Grapple comprising a series of articulated stoile arms on its lower head : en fr
  • FR869365A - Electric resistance radiation furnace : en fr
  • FR869193A - Process for producing printing plates for use in graphic arts : en fr
  • US2271095A - Treating hydrocarbon oils : en
  • US2271265A - Protector : en
  • US2271378A - Pest control : en
  • FR869348A - Radiant boiler for powdery fuels : en fr
  • GB542900A - Improvements in and relating to nut members : en
  • CA402563A - Electricity meter calibrating method : en fr
  • CH219232A - Tape for bracelets, belts, straps, etc. : en fr
  • CH219230A - Machine tool with hydraulic copier. : de en
  • US2271054A - Filter : en
  • FR869268A - Device for fixing semiconductor resistors : en fr
  • PL30243B1 - Device for transmitting multiple signals to a moving train with the use of resonant circuits : en pl
  • US2271152A - Square can seaming head : en
  • US2271491A - Method of applying decalcomanias : en
  • PL30306B1 - : en pl
  • CH219117A - Button sewing machine. : de en
  • US2270985A - Sliding clasp fastener : en
  • FR869323A - Method and device for sweeping, feeding and supercharging internal combustion engines : en fr
  • GB542841A - Improvements in and relating to front forks for motor cycles and like vehicles : en
  • FR869178A - Shell for molding bars : en fr
  • GB542870A - Ladies' suspender garment : en
  • US2270957A - Game and practicing device : en
  • GB542814A - Improvements in and relating to the purification of gases, from sulphuretted hydrogens : en
  • FR869394A - New way of fixing bicycle handlebars : en fr
  • FR869349A - License plates : en fr
  • CA402573A - Sponge rubber : en fr
  • CH219228A - Percussion tool. : en fr
  • DE716669C - Continuous pipe steam generator : de en
  • DE716837C - Smell-enhanced soft soap : de en
  • US2270926A - Fitting : en
  • US2271034A - Applicator for eyelash preparations and the like : en
  • CA402452A - Hair curling and crimping device : en fr
  • US2271436A - Chain cleaning apparatus : en
  • US2271423A - Dial instrument case : en
  • US2271143A - Composite covering and flashing for roofs and the like : en
  • FR869199A - Automatic mixer for supplying lean gas to industrial engines and automobile engines : en fr
  • US2271369A - Refractory zirconia-alumina casting : en
  • USD131231S - Design fos a boot : en
  • GB542748A - Improvements in or relating to drip feed lubricators : en
  • GB542860A - Improvements in processes of preparing esters of methacrylic acid : en
  • AU19441A - Improved flushing device for use with lavatory suites and for other purposes : en
  • DE716857C - Acceleration-dependent centrifugal contact controller : de en
  • US2270900A - Volumetric command-device for controlling of operation of engines : en
  • US2270919A - Braking means for dual wheels : en
  • US2271292A - Condenser analyzer : en
  • GB542789A - Improvements in or relating to spray producers and nozzles : en
  • US2271245A - Manufacture of tanning substances : en
  • DE716896C - Indicator : de en
  • FR869312A - Gas burner : en fr
  • GB542801A - Slabs, blocks or other structures or bodies formed from concrete or other plastic material : en
  • CH219096A - Furniture that can be used as a couch or double bed. : de en
  • FR869155A - Guide cylinders arranged in pairs for stretchers : en fr
  • GB542752A - An improved method of an means for holding permanent brake magnets of high coercive force : en
  • US2271299A - Manufacture of catalysts : en
  • US2271412A - Internal combustion engine : en
  • CA402547A - Catalyst regeneration : en fr
  • DE716675C - Arrangement for the automatic electrical or electromechanical sharp tuning of radio receivers : de en
  • FR869207A - Air-cooled internal combustion engine : en fr
  • FR869306A - Advanced dust collector for gasifiers : en fr
  • GB542883A - Improvements in or relating to torsiographs : en
  • PL30293B1 - : en pl
  • US2271263A - Apparatus for classifying or separating fluid-borne materials : en
  • SU60681A1 - Solenoid actuator for oil circuit breaker : en ru
  • GB542758A - Improvements in or relating to piston rings : en
  • FR869297A - New application of voltameters to the production of ignition or starting fuel : en fr
  • US2270910A - Water control for closet tanks : en
  • DE716746C - Process for the preparation of unsymmetrical heptacarbocyanine dyes : de en
  • FR869176A - Separation system for cyclone type scrubbers : en fr
  • GB542854A - Improvements in or relating to gun-cotton and other explosives having a base of nitrocellulose : en
  • DE716800C - Swing mechanism for bucket wheel excavators working in block operation : de en
  • US2271411A - Tank closure : en
  • ES148773A1 - IMPROVEMENTS IN THE MANUFACTURE OF METALLIC DOORS AND WINDOWS : en es
  • USD131253S - Design for a textile fabric : en
  • US2271028A - Screw and washer assembling machine and method : en
  • US2271336A - Bearing mounting : en
  • US2271398A - Sawing device : en
  • ES148813A3 - A PROCEDURE FOR OBTAINING PERMANENT HAIR WAVING : en es
  • CH219086A - Process for the production of fibers from molten glass and other materials which are plasticized by heat and a blowing device for carrying out the process. : de en
  • CH219105A - Process for the manufacture of artificial textile fibers. : en fr
  • CH219274A - Arrangement with twisted, alternating current conducting busbars. : de en
  • FR869338A - Star motor : en fr
  • PL30247B1 - Radioaktiengesellschaft D. S. Loewe, Beriinsteg] m an High frequency transformer for television amplifiers : en pl
  • US2271379A - Method of heat treating wire : en
  • US2271500A - Die holder : en
  • CH219265A - Device for automatic regulation on gas liquefaction machines. : de en
  • CH219275A - Electrical wiring system for connecting an electric tractor. : de en
  • US2271496A - Furniture support : en
  • DE716809C - Frequency-dependent control arrangement : de en
  • US2271224A - Parachute attachment for aircraft : en
  • USD131223S - Handle for a hair trimming device : en
  • CA402451A - Foot adjusting and gauging apparatus : en fr
  • US2270867A - Control for hoists : en
  • US2271429A - Hoist crane construction : en
  • DE716724C - Rim or rim ring for aircraft wheels : de en
  • US2270842A - Valve bag : en
  • USD131193S - Radio panel : en
  • AU392441A - Improved topical remedy for internal application : en
  • CA402560A - Tooth powder container : en fr
  • CH219092A - Apparatus for cleaning floors. : de en
  • CH219157A - Box for holding cards, forms or the like. : de en
  • FR869171A - Improvements to the brakes and more particularly to the brake mechanisms actuated by pressurized fluid : en fr
  • GB542847A - Improvements in or relating to arrangements adapted to minimise the effects of the impedance of the earth wire or earth bus-bar in high-frequency electric circuits : en
  • USD131227S - Display plate for use oh automobiles : en
  • US2271025A - Rock drill feeding mechanism : en
  • US2270869A - Sewage treating method and apparatus : en
  • US2271310A - Vehicle body : en
  • CH219091A - Steam cooker. : de en
  • CH219121A - Device for multi-colored printing on fabrics. : de en
  • CH219207A - Tool for the elimination of oxidation products, slag or impurities floating on molten materials. : en it
  • FR869174A - Force transport system : en fr
  • FR869362A - Ultra-high frequency multiplication system involving the use of magnetrons : en fr
  • GB542767A - Improvements in or relating to fluid-operated work pressing means : en
  • CH219097A - Container with device for attaching the container to a tray for wash sets. : de en
  • US2271217A - Thread height gauge : en
  • US2271420A - Switch mechanism : en
  • US2271466A - Wing deicer : en
  • DE716737C - Arrangement for the heat treatment of bodies, in particular for drying fibrous materials by means of an electrical high-frequency field : de en
  • CH219135A - Method and device for the production of stump cords. : de en
  • CH219218A - Measuring device on machine tools, in particular coordinate boring machines. : de en
  • US2271261A - Grease gun : en
  • USD131205S - Appointment watch pin or similar article : en
  • DE716890C - Quick lowering device : de en
  • US2271475A - Valve lock and wrench : en
  • GB542837A - Improvements in and relating to agricultural tractors : en
  • US2271430A - Hoist crane construction : en
  • FR869398A - Method and devices for the parallel charging of accumulator batteries : en fr
  • CH219296A - Electric arc lamp. : de en
  • FR869168A - Seat back, in particular for motor vehicle seats : en fr