• CA366846A - Well drilling apparatus : en fr
  • US2084047A - Box lidder : en
  • US2084242A - Phonetic alarm system : en
  • US2083617A - Packaging machine : en
  • US2083713A - Picker arm for potato planters : en
  • GB467315A - Improvements in and relating to the rod forming mechanism of cigarette making machines : en
  • IE14707L - Securing bolts in holes : en
  • US2084265A - Cord lock for window shades : en
  • US2083683A - Device for supplying moisture to motors : en
  • FR814263A - Advanced pleating machine : en fr
  • GB467313A - Improvements in or relating to diazo type photographic printing paper : en
  • CH191193A - Radiators for electrical resistance heating. : de en
  • CH191392A - Direction indicators on motor vehicles. : de en
  • USRE20412E - Energy transmission : en
  • US2083612A - Temperature changing system employing plural temperature changing devices : en
  • USRE20407E - Folding teigger for shutters : en
  • US2084163A - Electric discharge device : en
  • GB467367A - Means and method of producing incandescent images in cathode ray tubes : en
  • GB467433A - Improvements in or relating to the manufacture of esters of methacrylic acid : en
  • GB467486A - Improvements relating to undercarriages for aircraft : en
  • US2084100A - Expansion joint : en
  • DK53219C - Apparatus for displaying advertisements or other written or pictorial texts. : da en
  • CH191330A - Electrode for openly burning arcs. : de en
  • USD104918S - Design fob a shoe : en
  • USD104958S - Design for a textile fabric : en
  • US2083666A - High frequency signaling system : en
  • DE638353C - Device for winding paper tubes, in particular conical tubes : de en
  • US2083554A - Cellulose ethers : en
  • US2083810A - Upholstery construction : en
  • DE646495C - Electric heating device, especially for steam boilers and heat storage tanks : de en
  • DE646309C - Electrically heated shaft furnace for zinc extraction from ores : de en
  • DE646433C - Air-compressing four-stroke injection engine with inlet and outlet valves arranged in the cylinder cover : de en
  • GB467473A - Improvements in machines for winding yarns and threads : en
  • GB467382A - Improvements in or relating to wicks for oil burners : en
  • FR47636E - Device applicable to the screw and nut system to reduce friction losses : en fr
  • FR814105A - Improvements to pressurized fluid actuated control units : en fr
  • US2083980A - Blasting cartridge : en
  • CH191214A - Winding bodies for tissue. : de en
  • GB467457A - Production of concrete road surfaces : en
  • CH191209A - Sewing machine. : de en
  • CH191313A - Compressor for small refrigeration machines. : de en
  • FR814166A - Process for preparing valuable wetting agents, detergents, dispersants and solvents : en fr
  • DE646505C - Method for examining blood cells and the like Like. Using vital coloring : de en
  • ES4582Y - Protective enclosures for seals for distillation apparatus. : en es
  • FR47671E - Suction filter for printing colors : en fr
  • AU101247B2 - Improvements in automatic switches for use in telephone systems : en
  • CH191295A - Transfer pump unit for compressed gases, especially oxygen. : de en
  • CA366814A - Electric cable termination and joint : en fr
  • USD104936S - Design fob a shoe : en
  • US2084074A - Clasp brake : en
  • US2084170A - Sash construction : en
  • FR814118A - Inhalation device : en fr
  • GB467285A - Improved handle operated means for latches and the like : en
  • USD104941S - Design for an electric sign : en
  • FR47610E - Insulating material and its manufacturing process : en fr
  • FR814059A - Clutch mechanism placed behind the gearbox of motor vehicles : en fr
  • FR814199A - Indicating device for rotating needle stations : en fr
  • GB467510A - Manufacture and application of a plasticising agent for cellulose derivatives : en
  • DE645978C - Moisture protection, especially protective sheaths for cables, pipes and others : de en
  • US2083885A - Fastener : en
  • US2083986A - Machine for molding rods : en
  • US2083569A - Propeller clamping and balancing ring : en
  • GB467343A - A new or improved method of supporting rear reflectors and the like on vehicles : en
  • US2083672A - Antihalation backing for photographic films : en
  • DE646492C - Arc lamp with coal holders and coal striving towards one another under the influence of their own weight : de en
  • DE646621C - Flexible, U-shaped treadmill for tracked vehicles : de en
  • USD104962S - Design for a shoe : en
  • DE646565C - Process for making patterned rubber articles : de en
  • DE646446C - Swing axis for motor vehicles formed from a four-bar linkage : de en
  • DE646683C - Device for fixing vertically movable windows : de en
  • US2083828A - Fluid transmission having a number of fluid circuits : en
  • CH191316A - Counter and security panel. : de en
  • US2084131A - Age-resister : en
  • CA366801A - Edgewise wound coil connector : en fr
  • DE646402C - Pipe cutter for stove pipes u. like : de en
  • DE646588C - Multipole toggle switch : de en
  • FR47676E - Automatic differential valve, especially for irrigation systems : en fr
  • US2083900A - Pavement and method of making pavements : en
  • US2083553A - Top sill : en
  • US2083972A - Internal combustion engine : en
  • GB467242A - Improvements in or relating to cam operated rocker mechanism : en
  • GB467580A - Improvements in apparatus for drawing sheet glass : en
  • NL40940C - : en
  • US2083744A - Manufacture of sheeted cellulose fiber adapted for conversion into cellulose derivatives : en
  • US2084147A - Corset : en
  • USD104961S - Design fob a textile fabric ob : en
  • AU222336A - An improved time-measuring apparatus employing an auxiliary movement anda synchronous electro-motor : en
  • DE646717C - Device for adjusting pawls, notches or other organs : de en
  • CH191180A - Device for walling in fastening bolts for control panels, boilers, etc. : de en
  • DE646443C - Damping device connected to the trailer steering device for the slinging or rolling movements on trailers : de en
  • DE646586C - Rail fastening on rib washer plates or ribbed sleepers : de en
  • GB467312A - Improvements relating to display signs : en
  • GB467493A - Improved method of distilling coal and other carbonaceous material : en
  • DE646197C - Drive device for sound and / or image recording or playback apparatus : de en
  • FR814086A - Natural draft domestic fuel oil burner for heaters : en fr
  • FR814089A - Improvements in the construction of jet-breakers of the so-called dual-use type : en fr
  • FR814097A - Automatic welding machine : en fr
  • FR814240A - Leachate : en fr
  • USD104965S - Design fob a shoe : en
  • US2083873A - Inscription tablet mounting : en
  • DE646423C - Double roller guide for band saw blades : de en
  • US2083675A - Photographic print-out material having a design thereon : en
  • US2084261A - Resinous and wax-like reaction products from polyhydric alcohols and boric acid compounds : en
  • CH191240A - Swellable sealing compound. : de en
  • DE646547C - Ring binder with slotted rings rotatably arranged on the back rail : de en
  • DE646653C - Lid support for hinged lid : de en
  • FR814008A - Products intended to promote the combustion of combustible materials and their process; Manufacturing : en fr
  • FR814266A - heat exchanger more specially intended for heating gases : en fr
  • GB467575A - Improvements in the method of and means for the surface hardening of articles of steel or iron or alloys thereof : en
  • DE646344C - Process for improving the machinability of an iron-nickel-aluminum-copper alloy : de en
  • US2083707A - Blasting cartridge : en
  • US2083881A - Venetian blind : en
  • US2084087A - Automobile fender clamp : en
  • FR814054A - Sofas and armchairs convertible into bed : en fr
  • FR814116A - Monoazo dyes and their preparation process : en fr
  • FR814147A - Protective device for staircase corners and the like : en fr
  • ES143535A1 - A process for manufacturing helical incandescent bodies. : en es
  • GB467358A - Improved method and means for the treatment of ores, fuels and the like : en
  • CA366848A - Ceiling papering device : en fr
  • CH191374A - Container intended primarily for tourist use. : en fr
  • CH191369A - Switching device on an electrical low-voltage clock to trigger a signaling device. : de en
  • USRE20411E - Dithiophosphate compounds : en
  • CH191230A - Electrolytic water decomposer, in particular high pressure decomposer, with coaxially arranged cylindrical electrodes. : de en
  • FR814003A - Device allowing the development or folding of a flexible member, such as for example a cable, one of the ends of which is fixed and the other integral with a mobile object : en fr
  • FR814185A - Filter for gas masks with pre-filter for coarse impurities : en fr
  • DE646482C - Process for the preparation of 1,3-glycol half-esters : de en
  • US2084249A - Swivel stool : en
  • GB467655A - Improvements in and relating to transformer connections : en
  • USD104915S - Design for an electric heater : en
  • USD104920S - Design for a slipper : en
  • US2083819A - Cylinder paper machine and process of making paper : en
  • US2083682A - Carriage mounting for grinding machines : en
  • GB467246A - Improvements in and relating to the production of drawings : en
  • GB467273A - Improvements in devices for supporting high temperature piping and the like : en
  • DE646616C - Storage for cesspools : de en
  • GB467256A - Improvements in or relating to a process for the elimination of interference in signals transmitted by oscillatory currents : en
  • CH191277A - Time counter. : en fr
  • FR47664E - Antenna and coupling device : en fr
  • US2083559A - Method of shoe heel attachment : en
  • US2083923A - Electrical terminal : en
  • US2084270A - Lubricating oil : en
  • US2084198A - Fire alarm system : en
  • US2084036A - Control apparatus : en
  • USD104956S - Design fob a display rack : en
  • GB467345A - Improvements in machines for fastening papers together by crimping : en
  • GB467375A - Improvements in internal combustion engines of the liquid fuel injection compression-ignition type : en
  • CH191190A - Window basin. : de en
  • DE646724C - Device for cutting continuously fed artificial threads, in particular artificial silk threads, into stacks : de en
  • US2083690A - Humidifier : en
  • US2083784A - Brake hanger retaining means : en
  • US2083709A - Blasting device : en
  • US2084109A - Lock washer : en
  • DE646428C - Self-recording mechanical tension meter for textile threads : de en
  • US2083798A - Method and apparatus for electrically treating emulsions : en
  • FR814231A - Improvements to electrical relay systems : en fr
  • CH191422A - Process for the preparation of a monoazo dye. : de en
  • FR814194A - Process for dyeing cellulose or regenerated cellulose fibers, either singly or as a mixture with other fibers, for example wool : en fr
  • DE646693C - Control for a direct current motor with series connection characteristic, the exciter and armature windings of which are fed separately from an alternating current network via grid-controlled vapor or gas discharge paths : de en
  • FR814031A - Process for decorating panels or other objects by surface covering : en fr
  • GB467521A - Improvements in models for demonstration and advertisement purposes : en
  • GB467534A - Double-acting jacks : en
  • GB467359A - Improvements relating to the production of liquid baths : en
  • DE646459C - Pipe crib for carrying and swiveling stoneware pipes or the like. : de en
  • FR814295A - Improved machine for canceling tickets, tickets or the like : en fr
  • US2083736A - Blasting cartridge : en
  • US2084115A - Control circuits : en
  • DE646432C - Saving device of any kind with a special registration device to be switched by hand for the inserted coins : de en
  • DE646142C - Process to increase the adhesive strength of metallic layers or coatings on objects made of metal or other materials : de en
  • DE646700C - Lamella for chain thread monitor : de en
  • FR814066A - Improvements to amplifiers for television circuits : en fr
  • US2083917A - Process of sweetening hydrocarbon distillates : en
  • FR814002A - Mechanism for operating eclipsable parts on board aircraft, such as landing gear, cupolas, tanks, etc. : en fr
  • FR814104A - Locking device for screw connections : en fr
  • US2083761A - Hair waving device : en
  • CH191375A - Removable horseshoe studs. : de en
  • DE646675C - Photographic camera with range finder and photoelectric exposure meter : de en
  • DK53205C - Rheostat. : da en
  • NL40863C - : en
  • NL40910C - Method of copying embossed films : en nl
  • GB467554A - Improvements in or relating to cigarettes : en
  • FR47623E - Control system for electric motors : en fr
  • GB467563A - Improvements relating to the jacking up of road vehicles : en
  • GB467571A - Improvements in the manufacture and production of condensation products : en
  • FR47630E - Adjustable tightening and loosening belt buckle for parachutes and other applications : en fr
  • FR47670E - Organic materials containing fluorine : en fr
  • FR814293A - Improvements to digital indicators for all applications : en fr
  • GB467509A - Improvements relating to fluid pressure braking apparatus : en
  • DE646502C - Electrically heated continuous oil cleaning device : de en
  • GB467818A - Internal combustion engines convertible for use with different fuels : en
  • DE646643C - Circuit arrangement for keeping the output voltage or the output current of a tube generator constant : de en
  • GB467210A - Improvements in or relating to electric circuit-breakers : en
  • GB467236A - Improvements in and relating to water closet flushing cisterns : en
  • US2084181A - Radio signaling system : en
  • US2083853A - Process for treating soya beans and like legumes : en
  • CA366847A - Furnace : en fr
  • CH191347A - Respiratory. : en fr
  • DE646504C - Device for incubating germ cultures u. like : de en
  • GB467319A - Improvements in and relating to the registering of sheets during feeding to printing or other sheet working machines : en
  • FR814019A - Shelter for protection against bombardment and ohimic attacks : en fr
  • FR814021A - Perfume dispenser : en fr
  • FR814061A - Manufacturing process for shoes with rubber thread soles with a textile core : en fr
  • US2083651A - Brake adjustment : en
  • US2083740A - Unloader for compressors : en
  • US2083552A - Station selecting system : en
  • GB467308A - Improvements relating to the joining or connection of parts by fusing : en
  • NL40814C - : en
  • US2083783A - Weighing apparatus : en
  • US2083860A - Sandwich bag : en
  • DE646308C - Kneading or mixing machine for raw rubber and rubber compounds : de en
  • FR814052A - Method for preparing a syphilis reagent : en fr
  • FR814090A - Manufacture of an anti-friction metal : en fr
  • CH191366A - Magnetic writing device for picture telegraphs. : de en
  • AU101272B2 - Improvements in or relating to aerial lead-in arrangements for wireless receiving systems : en
  • CH191213A - Washing machine. : de en
  • US2084108A - Driving mechanism for lehr rolls : en
  • DE646658C - Control device for statistical and accounting machines with light-sensitive cells : de en
  • GB467333A - Improvements in or relating to machines for making cigarettes : en
  • US2083954A - Cable winding apparatus : en
  • US2083838A - Chair : en
  • DE646490C - Concentric, air-space-insulated high-frequency cable, the inner conductor of which is divided into several insulated sub-conductors to form new transmission circuits : de en
  • US2084082A - Method of polymerizing olefin hydrocarbons : en
  • US2083719A - Abrasive products and method of making the same : en
  • US2084236A - Portable reservoir : en
  • CA366777A - Dielectric composition : en fr
  • AU348836A - Improvements in water closets : en
  • CA366787A - Liquid dispenser : en fr
  • CH191292A - Sleeve connection with elastically deformable seal. : de en
  • US2083940A - Vehicle control device : en
  • US2084205A - Means for selecting radio programs : en
  • DE616699C - Paper color grid with a metal layer : de en
  • US2083693A - Production of aliphatic alcohols and esters : en
  • US2083715A - Gear shifting mechanism : en
  • FR814125A - Sand pit for locomotives, motor cars and the like : en fr
  • DE646698C - Footwear : de en
  • DE646737C - Container closure with an elastic, flexible closure member : de en
  • DE646341C - Type bar typewriter : de en
  • DE646661C - Secateurs : de en
  • AU228336A - Improvement in bandpass filters : en
  • US2083752A - Fuel reclaiming system for combustion engines : en
  • USRE20414E - Adolph cohen : en
  • US2084043A - Condensation derivatives of rubber : en
  • US2084062A - Art of processing citrus fruits : en
  • US2084171A - Control of electromagnetic track brakes : en
  • CA366825A - Running board : en fr
  • GB467460A - Improvements in or relating to motion picture cameras : en
  • FR814029A - Further development of connectors for electric heating devices : en fr
  • FR814288A - Advanced nailing machines, especially those used in shoemaking : en fr
  • GB467450A - Improved fluxes and flux-coated electrodes for electric welding : en
  • GB467515A - Improvements in or relating to explosion rivets : en
  • FR814080A - Iconoscope synchronization process : en fr
  • FR814272A - Process for using natural ivory waste : en fr
  • GB467573A - Improvements in or relating to thermionic valves : en
  • GB467351A - Improvements in apparatus for purifying swimming bath water : en
  • CH191178A - Room-enclosing component. : de en
  • GB467477A - Improvements in water-closet basins : en
  • GB467362A - Improvements in or relating to refractory glasses : en
  • GB467386A - Closed oxygen respirator emergency apparatus : en
  • DE646137C - Safety device for internal combustion engines : de en
  • US2083837A - Liquid treating apparatus : en
  • US2083663A - Fruit dipper : en
  • USD104953S - Design for a combined pyrophoric : en
  • FR814222A - Locking device for slip printing machines, such as cash registers, etc. : en fr
  • GB467334A - Improvements in protective devices for the fuel tanks of vehicles, aircraft and the like : en
  • GB467542A - Improvements in and relating to sliding doors : en
  • DE646425C - Rotary pendulum for determining the perpendicular or the horizon on a moving platform, especially vehicles : de en
  • DK53222C - Freewheel brake hub with a friction member mounted on a coupling sleeve. : da en
  • DE646289C - Process for the impregnation of materials : de en
  • DE646630C - Process for the production of water-soluble sulfuric acid derivatives of high molecular weight sulfones : de en
  • FR814178A - Fully automatic press : en fr
  • DE627704C - Multiple tariff meter or counter : de en
  • DE646680C - Knee lever lock for roofs of motor vehicles : de en
  • DE646518C - Lighting system, especially for wagon lighting : de en
  • GB467366A - Improvements in cathode ray tubes containing incandescent screens : en
  • US2083909A - Pinking machine : en
  • CH191189A - Ventilation device for siphon. : en fr
  • US2084279A - Lapping machine : en
  • AU101240B2 - An improved time-measuring apparatus employing an auxiliary movement anda synchronous electro-motor : en
  • US2083945A - Apparatus for indicating veloctty : en
  • USD104913S - Design for a jewelry display box or : en
  • CH191320A - Gas pressure switch. : de en
  • US2084177A - Electric power system : en
  • USD104972S - Design for a game board or similar : en
  • FR814244A - Siphoned emptying device for sanitary ware : en fr
  • US2084297A - Method for vaporizing liquefied petroleum gas : en
  • DE646470C - Process for the decomposition of hydrocarbon oils under pressure : de en
  • DE646485C - Printing ink for amalgam printing : de en
  • GB467574A - Improvements in band resistances for continuously regulating heavy currents : en
  • US2083937A - Flexible conduit : en
  • US2084184A - Brake : en
  • DE646472C - Garment, especially winter coat : de en
  • DE646734C - Injection carburetor : de en
  • FR47622E - Improvements to electronic discharge devices : en fr
  • FR814241A - Device for longitudinally uniform distribution of light by means of point sources : en fr
  • US2084026A - Transparent printed wrapper and method of making the same : en
  • FR47699E - Device for making, on a rotary machine, notches of variable lengths to cardboard boxes : en fr
  • DK53212C - Ear tag for Cattle. : da en
  • FR814229A - Improvements to filters against gases and in particular arsines, toxic fumes and liquids sprayed into the atmosphere : en fr
  • GR6592B - METHOD OF DRYING OF POTASSIUM (POTASSIUM) CONCENTRATION AND ITS PACKAGING IN SHAPES. : el en
  • GR6595B - ANTI-ASSUMPTION Closed circuit device. : el en
  • GB467195A - Improvements in or relating to television or like receivers employing cathode ray tubes : en
  • GB467469A - Improvements in or relating to means for use in automatically supplying secondary-air to central-heating boilers : en
  • FR814035A - Soap improved in terms of its action and its field of use : en fr
  • FR814192A - Hollow rivet with closing device : en fr
  • GB467378A - Improvements in or relating to a process for the manufacture of basic steel : en
  • US2083933A - Smoke jack : en
  • US2083889A - Oxidation resistant cable : en
  • US2084172A - Electron tube : en
  • US2083756A - Apparatus for drying and treating wet granular materials : en
  • US2084271A - Garment form : en
  • FR814165A - Improvements to devices for vulcanization : en fr
  • ES143625A1 - Arrangement to produce oscillations. : en es
  • FR814044A - Cellular construction system of oblong solids by means of high strength stainless steel strip : en fr
  • FR814084A - Ink ribbon for typewriters, with ink reservoir area : en fr
  • GB467304A - Improvements in and relating to automatic weighing machines : en
  • GB467661A - Improvements in or relating to the packing of discs : en
  • GB467468A - An improved sealing or joint-making insertion : en
  • FR47640E - Respirator mask for aviation and other applications : en fr
  • GB467539A - Joint for control rods, in particular for aircraft, motor vehicles and the like : en
  • ES143564A1 - Cartridge extractor for firearms. : en es
  • GB467557A - Improvements in and relating to ignition devices for gas burners : en
  • US2083597A - Collapsible model display device : en
  • DE646348C - Protective device for any number of parallel lines : de en
  • DK53227C - Procedure for the production of molded dolomite. : da en
  • DE646317C - Compressed air fluid lifter with float control : de en
  • DE646413C - Rail fastening by means of a swinging clamp plate and clamping wedge : de en
  • GB467821A - Improvements relating to mattresses and the method of manufacture thereof : en
  • US2084011A - Resinous mercaptazole derivatives : en
  • DK53220C - Three-part Lens for Capturing Movie Images in Natural Colors. : da en
  • GB467213A - Improvements in the manufacture of crepe fabrics : en
  • FR47668E - End threshing combine with adjustable straw walker tilt : en fr
  • US2083664A - Room temperature controlling system : en
  • CA366818A - Vehicle body ventilating means : en fr
  • CA366853A - Excavating machine : en fr
  • US2083702A - Trunk lock : en
  • US2084287A - Apparatus for heating liquids with fluid fuel : en
  • CH191389A - Track chains for vehicles, in particular motor vehicles. : de en
  • GB467258A - A process for the selective disintegration of coarse or more or less coarse material : en
  • GB467582A - Improvements in or relating to sewing machines : en
  • GB467255A - Improvements in radiotelegraphic and radio-telephonic transmission : en
  • GB467662A - Improvements in or relating to dyeing fibrous materials with vat dyestuffs : en
  • FR814227A - Bleaching and dyeing tank on reels : en fr
  • US2083803A - Operating mechanism for doors : en
  • FR814047A - Self-regulating pump : en fr
  • US2083636A - Piston lubricating means : en
  • US2084139A - Coal breaker : en
  • US2083880A - Bracelet : en
  • US2083848A - Meat tendering device : en
  • US2083858A - Hand-fed machine tool : en
  • US2084238A - Card index : en
  • USD104975S - Design for a bootee : en
  • FR814246A - Balancing device for current distributors using risers : en fr
  • FR814273A - Bracelet or other jewelry with multiple articulated elements : en fr
  • US2084142A - Suction operated accessory system : en
  • US2084292A - Compact : en
  • FR814023A - Control device applicable to the hydraulic lifting mechanism of dentists' chairs and the like : en fr
  • GB467559A - Process of removing water from aqueous aliphatic acids : en
  • GB467364A - Catcher and thrower game device : en
  • GB467428A - Manufacture of splinterless glass : en
  • GB467532A - Improvements relating to alluvial mining dredges : en
  • GB467446A - Stackable chairs, or seats : en
  • FR47633E - Flush control device operated by opening the door of a toilet. : en fr
  • FR814045A - Peanut sheller : en fr
  • US2084128A - Art of molding : en
  • US2084253A - Production of sulphonates of tertiary alcohols : en
  • US2083785A - Radiator grille : en
  • US2083922A - Rake : en
  • DE646205C - Device for operating fluid brakes : de en
  • DE646612C - Device for galvanizing sheet metal using the lead zinc process : de en
  • CH191256A - Slate to write on. : en fr
  • DE646615C - Variable pitch propeller with derivation of the pitch movement from the propeller shaft compared to brake levers : de en
  • DE646631C - Circuit arrangement for a company double line going out from a central office : de en
  • FR47637E - Night-time error-free direction finder device : en fr
  • FR814212A - Playing cards : en fr
  • DE646723C - Skin clipper : de en
  • GB467561A - Gas pressure generators and power plants including such generators : en
  • FR814095A - Improvements in temperature regulators for fluids, in particular automatic mixers of hot and cold water : en fr
  • FR814300A - Container for collecting, transporting and storing freshly drawn milk : en fr
  • DE646530C - Method for duplicating writing, images, or the like. : de en
  • DE646551C - Arrangement for generating an alternating voltage as a function of a (especially very small) direct current : de en
  • FR814248A - Improvements to altimeters and similar devices such as barometers, manometers, etc. : en fr
  • US2083878A - Sash lock : en
  • GB467377A - Improvements in or relating to vehicle link spring suspension means for curve compensation : en
  • DE646500C - Process for the preparation of acidic aminotriarylmethane dyes : de en
  • DE646400C - Iron founding stake : de en
  • GB467300A - Improvements in furnace construction : en
  • GB467581A - Improvements relating to the purification of gases and liquids from carbon disulphide : en
  • GB467494A - Improvements in safe load indicators for cranes and the like : en
  • GB467341A - Improvements in or relating to vehicle brakes : en
  • IE14515L - Securing boxes, bales, etc. : en
  • FR814115A - Sandblast cleaner : en fr
  • FR814224A - Sliding shut-off valve : en fr
  • CH191226A - Method for fermenting liquids containing carbohydrates. : de en
  • US2083628A - Method of making vinyl derivative articles : en
  • US2084099A - Valve for feeding devices : en
  • DE646455C - A vehicle toy driven by a spring mechanism, the wheel axles of which are fitted with running wheels and connected by an endless, caterpillar-like drive mechanism : de en
  • DE646331C - Socket with a cover plate arranged in front of the connector shells, rotatably mounted and resiliently held in its basic position : de en
  • DE646522C - Meat chopper : de en
  • GB467476A - An improved combined toy and sweetmeat : en
  • GB467536A - Improvements in or relating to safety devices for refrigerating systems : en
  • US2083856A - Purification of organic oxy-compounds : en
  • US2084176A - Lamp : en
  • US2084162A - Flashlight holder : en
  • FR814108A - Improvements to the automatic adjustment of amplifiers with correction according to frequencies : en fr
  • US2083800A - Pipe line treating system : en
  • CH191336A - AC vibrating massager device. : en fr
  • FR814195A - Stop device for electrical adjustment devices : en fr
  • DE646555C - Electric resistance furnace : de en
  • ES4595Y - A new device applicable to mine lamps : en es
  • GB467339A - Novel or improved device to facilitate pouring liquid from bottles and other receptacles : en
  • GB467352A - Improvements in or relating to brushes : en
  • GB467636A - An improved method of and means for moulding plastic materials which do not flow easily : en
  • US2083695A - Blasting method and apparatus : en
  • FR814233A - Improvements made to grain sizing dividers : en fr
  • GB467354A - Improvements in road contact devices for road traffic signalling apparatus : en
  • US2083700A - Propane dewaxing : en
  • US2084286A - Rail joint : en
  • FR814087A - Letter games by dice, cards, dominoes or tokens : en fr
  • FR814256A - Black core malleable iron annealing process : en fr
  • GB467528A - Motor vehicle fender : en
  • GB467566A - Improvements in and relating to power installations : en
  • FR814280A - Elastic transmission for driving wheels of motor vehicles : en fr
  • DE646241C - Electric mercury vapor discharge lamp with a noble gas base filling, the operating vapor pressure of which is more than 20 atmospheres : de en
  • DE646501C - Heating oil containing coal : de en
  • DE646243C - Electric low-pressure fluorescent tubes filled with gases or metal vapors or gases and metal vapors : de en
  • DE646466C - Switching contact with current-carrying contact springs made of copper or copper alloys and additional pressure springs made of steel or the like. : de en
  • FR814269A - Pourer, in particular for powder containers : en fr
  • FR814206A - Automobile fire safety device : en fr
  • GB467204A - Improvements in or relating to electric signalling apparatus for use in conjunction with an automatic telephone system : en
  • FR814297A - Method and device for obtaining crimped artificial spun fibers : en fr
  • DE646578C - Device for the automatic continuous production of objects from malleable, in particular ceramic, masses : de en
  • DE646607C - Feed roller drive on forage cutting machines with change gears for different cutting lengths : de en
  • GB467280A - Improvements in or relating to supports for terminal clamps and the like : en
  • DE646509C - Device for photoelectric control of electromagnetically set display and printing units for measuring instruments, e.g. B. Inclination scales : de en
  • DE646709C - Wheel tires with wear regulating bar : de en
  • US2083645A - Transmission system : en
  • US2083943A - Method of producing bellows units : en
  • FR47642E - : fr
  • DE646574C - Device for producing metallic running surfaces in working cylinders, in particular motor cylinders, by means of metal spraying : de en
  • DE646606C - Process for deoxidizing alloys containing aluminum : de en
  • GB467306A - Improvements in or relating to methods of fixing fibrous materials or other suitable substances on textiles and to devices for carrying out the method : en
  • GB467444A - Improvements in or relating to feeding webs of material : en
  • CA366874A - Tag fastener : en fr
  • CH191461A - Process for the preparation of diphenylacetic acid-2,2-dimethyl-3-diethylaminopropanol ester. : de en
  • CH191396A - Shift mechanism with chain guide fork for chain transmission change gears of bicycles. : de en
  • CH191203A - Piston dispenser container. : en fr
  • FR814076A - Incandescent cathode for electron ray tubes : en fr
  • CH191188A - Process for lining rotary kilns for firing cement, plaster and the like, as well as those for melting glass. : de en
  • GB467425A - Improvements in and relating to the manufacture of waterproof pavements, roofs, floors and the like : en
  • GB467465A - Improved mechanism for actuating the control surfaces of aircraft : en
  • GB467471A - Improvements in devices for slitting tyre treads : en
  • DE646329C - Switching for group stations in automatic or semi-automatic telephone systems : de en
  • ES4599Y - Containers made of paper or the like. : en es
  • FR814020A - Optical device totalizing : en fr
  • FR814106A - Convertible bed for patients : en fr
  • FR814271A - Speed regulator device for several direct current electric machines operating in parallel with variable voltage : en fr
  • FR814175A - Method and device for increasing the action of the last wet press of paper machines and the like : en fr
  • GB467483A - Improvements in and relating to the recovery of tantalum and niobium : en
  • DE646534C - Automatic electrical control device to keep the operating temperature constant inside artificially cooled vacuum discharge devices, e.g. B. of mercury vapor rectifiers : de en
  • US2083657A - Bumper construction for automobiles or for other automotive vehicles : en
  • US2083718A - Steering lever joint : en
  • US2083998A - Rubber composition : en
  • GB467482A - The manufacture of unsaturated diketones related to the corpus luteum hormone : en
  • ES143642A1 - A procedure for obtaining pure cellulose. : en es
  • US2083906A - Clutch mechanism : en
  • FR814065A - Method and apparatus for the manufacture of bars and the like of metal and metal alloys of any kind having excellent qualities : en fr
  • GB467520A - Means for guiding toy vehicles : en
  • AU99636A - Improvements in or relating to radio andother high frequency circuit arrangements and to electrical filters for use in radio andother high frequency circuit arrangements : en
  • CA366800A - Edgewise wound resistance coil : en fr
  • FR814072A - Improvement in the speed change mode for velocipeds : en fr
  • FR814284A - Manual and automatic electric combiners : en fr
  • GB467298A - A process for the production of sulphur trioxide : en
  • FR814205A - Liquid fuel for internal combustion engines : en fr
  • GB467385A - Improvements in and relating to telephone installations : en
  • US2083820A - Microscope filter system : en
  • US2084118A - Grating : en
  • AU230737A - Improvements relating to combined transformer and reactance devices for alternating current circuits : en
  • CH191242A - Process for the preparation of mixtures containing soaps. : de en
  • FR814152A - Construction of shortwave lamps : en fr
  • GB467208A - Process and apparatus for cleaning the interior surfaces of heat exchangers and the like : en
  • FR814289A - Support for tubes and other cylindrical bodies, susceptible to longitudinal displacement : en fr
  • GB467281A - Improvements in and relating to ventilating devices : en
  • US2083606A - Solderless connecter lug : en
  • US2084090A - Conveyer mechanism : en
  • USD104954S - Design for a combined pyrophoric : en
  • CH191451A - Grinding device. : de en
  • AU242236A - Improvements in automatic switches for use in telephone systems : en
  • GB467347A - Washing machine for clothes : en
  • CA366778A - Demand indicator : en fr
  • CH191310A - Magnetic igniters, especially twin igniters. : de en
  • AU449936A - Improvements in or relating to electrode systems with unsymmetrical conductivity : en
  • DE646488C - AC-heated high-frequency amplifier arrangement : de en
  • FR814292A - Temperature control system, especially for flotation separation plants : en fr
  • DE646716C - Electric discharge lamp or fluorescent tube with mercury vapor filling and a luminophore layer on the inside : de en
  • DE646361C - Automatic magazine speaking machine : de en
  • ES4580Y - Electric heating apparatus : en es
  • FR814211A - Funnel with automatic stop : en fr
  • USD104930S - Design for a shoe : en
  • FR814182A - Indicator device for acetylene generators : en fr
  • CH191194A - Floor cleaning device. : de en
  • CH191269A - Tilt balance. : de en
  • CH191439A - Process for the preparation of a chromium-containing dye. : de en
  • CA366772A - Electrical sequence operation system : en fr
  • US2083650A - Carburetor attachment : en
  • US2083794A - Gauge glass packing : en
  • DE646474C - Thread rolling machine : de en
  • CH191234A - Process for the economic production of acetals. : en fr
  • CH191359A - High frequency amplifier circuit for a wide frequency band. : de en
  • CA366854A - Bottle fitment : en fr
  • AU101246B2 - Improvements inthe manufacture of basket shoes andthe like : en
  • FR814091A - Method and protection devices for cables filled with insulating fluids : en fr
  • FR814226A - Process for producing a high gloss on dyed fibers, in particular on coir fibers : en fr
  • AU107569B2 - Improvements in or relating to manure and (or) seed distributors : en
  • US2083884A - Wastepaper de-inking and de-fibering process and apparatus : en
  • US2084180A - Radio signaling system : en
  • DE646712C - Procedure for starting unloaded DC shunt motors : de en
  • FR814264A - Kitchen washhouse : en fr
  • US2083591A - Lubricating apparatus : en
  • US2083594A - Electric lighting system for toys : en
  • US2084174A - Garter and other supporting means : en
  • CA366809A - Duplicator : en fr
  • CA366849A - Tongs : en fr
  • US2084233A - Anchor : en
  • DE646640C - Process for the production of pourable condensation products from urea and formaldehyde or its polymers : de en
  • CA366793A - Joint packing : en fr
  • CH191237A - Process for the preparation of omega-methylsulfonic acids of primary or secondary pyrazolone amines. : de en
  • US2083990A - Measuring device : en
  • US2084276A - Manufacture of cementitious insulating compositions from vermiculite : en
  • DE646418C - Choke coil : de en
  • DK53211C - Tier transfer mechanism for Calculators. : da en
  • US2084244A - Fluid brake : en
  • US2083739A - Material breaking method and apparatus : en
  • US2083834A - Tunneling machine : en
  • USD104928S - Design for an oil stove ob analogous : en
  • US2084298A - Method of lining metallic vessels : en
  • DE646719C - Process for the preparation of condensation products of the anthraquinone series : de en
  • CH191183A - Collapsible window arm. : de en
  • AU101264B2 - Improvements in modulating and demodulating apparatus : en
  • US2084029A - Dispenser : en
  • CA366764A - Naphthalene refining process : en fr
  • FR814026A - Advanced internal combustion engine : en fr
  • AU223636A - Means for use inthe teaching or composition of music : en
  • CA366867A - Electric gas lighter : en fr
  • US2084110A - Coking plant machine : en
  • CH191176A - Spin spoons. : de en
  • GB467420A - A new or improved cooler for oil and other liquids : en
  • CA366811A - Rubber-like polymer composition : en fr
  • US2083567A - Ventilator for truck bodies : en
  • US2083767A - Apparatus for mixing concrete : en
  • GB467265A - Improvements in children's bedding : en
  • CA366762A - Combined container and drinking vessel : en fr
  • ES143546A1 - PROCEDURE FOR THE ELECTROTHERMAL OBTAINING OF METALLIC AND COMPACT MAGNESIUM BY REDUCING OXIDIC COMBINATIONS OF THE SAME : en es
  • CH191227A - Device for preventing the fogging up of moisture in goods, in particular foodstuffs, which are to be taken out of these after transport in cooled, well-insulated containers. : de en
  • FR814255A - Combined aerodynamic flap device : en fr
  • CH191425A - Process for the preparation of an azo dye. : de en
  • GB467672A - Improvements in or relating to aluminium alloys : en
  • FR814208A - Device for using human energy on gliders or aviettes : en fr
  • FR814234A - Device for games : en fr
  • GB467194A - Improvements in or relating to air filters : en
  • USD104942S - Design for an electric sign : en
  • CH191261A - Device for student skiers. : en fr
  • GB467519A - Improvements in electro-magnetically operated valves : en
  • GB467565A - Improvements in or relating to bodies or articles formed from pulp and other fibrous material, and the manufacture thereof : en
  • ES143636A1 - A modulator assembly. : en es
  • US2083805A - Launching device : en
  • US2084052A - Carrier for code messages : en
  • DK53213C - Combustion engine with Compression ignition and Push injection. : da en
  • GB467578A - A new or improved toy : en
  • FR814200A - Clutch and gear shift mechanism : en fr
  • CH191233A - A process for preparing sulfuric esters of alcohols having at least eight carbon atoms in their molecule. : en fr
  • DE646544C - Movable device for producing routes, etc. : de en
  • US2083796A - Lock : en
  • US2084239A - Stake : en
  • FR814075A - Scientific culture of the cultivated mushroom : en fr
  • FR814169A - Process for preparing partially hydrogenated polycyclic compounds : en fr
  • FR814253A - Machine for corking at will bottles in the usual way or in the Champagne way : en fr
  • AU101273B2 - Improvements in or relating to aerial arrangements : en
  • CA366799A - Terminal for edgewise wound resistors : en fr
  • CH191350A - Automatic device for recording calls and checking counts on a subscriber line of an automatic telephone office. : en fr
  • DE646667C - Device for smoking and drying systems to generate smoke and dry air : de en
  • DE646738C - Valve bag : de en
  • DE635850C - DF receiver circuit : de en
  • FR47659E - Wear-resistant machining material for manufacturing cylinder inner liners for various engines : en fr
  • GB467235A - Improvements relating to wind-screen wipers : en
  • GB467311A - Improvements in or relating to microphones : en
  • CH191225A - Process for the production of easily fermentable liquids in the fermentation industry. : de en
  • US2083851A - Spraying nozzle : en
  • US2084067A - Vegetable tool : en
  • FR814010A - Beauty product : en fr
  • GB467283A - Improvements relating to apparatus for filling collapsible tubes with pastes, semi-liquids or liquids : en
  • GB467324A - Improvements in or relating to piston pumps for liquids : en
  • ES143632A1 - Perfections on machine guns and small automatic weapons. : en es
  • GB467250A - Improvements in apparatus for indicating the turning movements of craft, especially aircraft : en
  • FR814214A - Device for fixing an accessory such as a chain guard for bicycles and similar vehicles : en fr
  • US2083712A - Rabat : en
  • US2084199A - Ophthalmic mounting : en
  • US2084240A - Poultry feeder and waterer : en
  • AU101239B2 - Improvements in or relating to radio andother high frequency circuit arrangements and to electrical filters for use in radio andother high frequency circuit arrangements : en
  • US2084140A - Side line eliminator for automatic looms : en
  • US2084149A - Apparatus for extruding matter : en
  • US2083724A - Yarn and filament twisting device : en
  • US2083846A - Furnace bridge wall : en
  • US2084152A - Collapsible egg carton set-up device : en
  • FR47619E - Electrical measuring and telemetry device : en fr
  • GR6585B - ROTATING OIL SORTING SIZE BY SIZE. : el en
  • US2083697A - Apparatus for breaking material : en
  • US2084057A - Fuel injector : en
  • US2083615A - Supporting and anchoring means for wire lathing : en
  • DE646240C - Electric lamp with built-in fuse : de en
  • DE646399C - Electric drive for clocks or similar devices in multi-phase systems : de en
  • DE646684C - Device for lasting out shoes : de en
  • FR47606E - Method and apparatus for making yogurt and similar products : en fr
  • FR814162A - Improvements to loading and boarding ramps : en fr
  • CH191244A - Process for the preparation of a film-forming agent. : de en
  • US2084255A - Squeeze gate : en
  • DE646511C - Method for measuring radiation intensities with the help of a radiation-sensitive electrical organ : de en
  • DE646512C - Totalizator arrangement : de en
  • DE646707C - Process for the preparation of aminoalkylsulphonic acids : de en
  • US2083551A - Surface cleaning device : en
  • USD104952S - Design for a sounding signal : en
  • US2083913A - Ingot for typesetting machine feeders : en
  • US2084105A - Telephone control system : en
  • USD104927S - Design fob a watchcase : en
  • GR6586B - CUTTING PSALLIS. : el en
  • GB467244A - Manufacture of quaternary nitrogen compounds : en
  • US2084066A - Metalworking press : en
  • US2084153A - Fluid pressure operated gear shifting device : en
  • US2084210A - Gas cock : en
  • DE646506C - Process for making sand molds for centrifugal casting of pipes : de en
  • US2084055A - Breaking plow : en
  • FR814190A - Pressure regulator for hydraulic presses, compressed air accumulators and other pressurized fluid reservoirs : en fr
  • DE646694C - Latch needle for picking up stitches : de en
  • FR814130A - Electrical insulating material with low loss angle for a determined interval of frequencies, in particular at high frequencies : en fr
  • US2083677A - Sight for firearms : en
  • FR47609E - Metal formwork process for reinforced concrete eliminating the use of formwork props : en fr
  • US2083634A - Spraying machine : en
  • DE646536C - Vertical chamber furnace for producing gas and coke : de en
  • FR814027A - Rotary wind motor with two nozzle vanes, without dead center, particularly intended for vehicle ventilation : en fr
  • FR814138A - Device for the treatment or grinding of generally any material and suitable in particular for the husking of cereals : en fr
  • GB467353A - Improvements in shearing heads of machines for shearing sheep and other animals : en
  • FR47643E - New lime brick : en fr
  • GB467192A - Improvements in rubber sheet material : en
  • FR814215A - Multi-leaf hinged door : en fr
  • FR814285A - Filament suspension system in high power water circulation lamps : en fr
  • US2084136A - Barbituric acid containing in the 5-position a pyridine group and method of preparing the same : en
  • DE646284C - Process for the production of leather substitutes from leather waste and rubber mixtures : de en
  • GB467222A - Improvements in water tube boiler furnaces : en
  • GB467562A - Improvements in or relating to the application of coatings to workpieces : en
  • DE646463C - Multiple wire drawing machine with horizontal or inclined drawing shafts : de en
  • GB467211A - Improvements in or relating to electric circuit-breakers : en
  • US2084010A - Fuse link construction : en
  • GB467456A - Differential mechanism : en
  • FR47658E - Machine gun : en fr
  • ES4587Y - A new container with pneumatic closure : en es
  • FR814250A - Method of establishing animated constructions in paper or cardboard : en fr
  • DE646531C - Electric locomotive with built-in rectifier system : de en
  • ES143637A1 - A montage to regulate the frequency. : en es
  • FR47625E - Explosive charge : en fr
  • GB467321A - Improvements in or relating to the manufacture of magnetic dust cores : en
  • GR6596B - METHOD FOR THE MANUFACTURE OF CONCENTRATED PRODUCTS. : el en
  • US2083956A - Handle structure : en
  • US2084085A - Card case : en
  • FR47607E - Fruit grading machine : en fr
  • GB467399A - Device for the production of centrifugal castings : en
  • ES4452Y - Buckets for water extraction. : en es
  • GB467241A - Improvements in or relating to milling machines adapted for die-sinking operations : en
  • US2084032A - Refrigerating apparatus on trucks : en
  • US2084126A - Suction cup : en
  • ES143601A1 - Procedure for the manufacture of depilated skins with the use of mycosis triptases. : en es
  • US2083691A - Method of producing alkali metal peroxide : en
  • GB467292A - Improvements in and relating to gas turbines : en
  • GB467464A - Improvements in and relating to electro-magnetic switches : en
  • USD104923S - Design fob a textile fabric or simi : en
  • USD104949S - Design for a textile fabric or simi : en
  • FR47691E - Process for manufacturing dyes and dyes obtained by this process : en fr
  • FR814148A - Apparatus for introducing the material to be rolled between the rolls of a rolling mill : en fr
  • GB467277A - Improvements in dynamo-electric machines with swash-ring drive : en
  • DE646533C - Uniform load meter : de en
  • DE646580C - Multi-phase regulating transformer with core parts that can be moved relative to one another : de en
  • GB467199A - Improvements in or relating to electro-magnetically operated reciprocating devices : en
  • CA366802A - Edgewise wound coil connector : en fr
  • CH191204A - Racking device. : en fr
  • DE646735C - Silencers for internal combustion engines, in particular for motor vehicles : de en
  • US2083665A - Ammunition and ordnance device : en
  • DE646720C - Warp knitted fabric : de en
  • US2083862A - Rotary printing machine : en
  • US2084165A - Cinematographic film spool : en
  • AU101243B2 - An improved screw propeller : en
  • GB467274A - The manufacture of 4-hydroxynaphthostyril and its substitution products : en
  • FR814030A - Device for dosing liquids : en fr
  • FR814258A - Improvements in the manufacture of sulfuric acid by the contact process : en fr
  • GB467327A - An improved method of and means for extracting beer or other liquid from a cask or other container : en
  • NL41030C - : nl
  • US2083779A - Dispensing machine : en
  • GB467286A - Improvements in television apparatus : en
  • GB467577A - Improvements in or relating to yarn for the hand or machine knitting of articles of hosiery : en
  • DE646237C - Master roller for controlling starting contactors using light-sensitive cells : de en
  • US2083987A - Slab and building construction : en
  • US2083926A - Screen grid oscillator : en
  • DE646633C - Calibration device for counter : de en
  • DE646672C - Device for controlling regulating devices, such as gearboxes, for wire and felt flow regulators or stock density regulators on paper machines o. : de en
  • FR814071A - Improvements in processes and apparatus for the production of metal cell building elements : en fr
  • GB467657A - Improvements in and relating to skirts : en
  • DE564250C - Process for the production of molded articles : de en
  • DE646473C - Connection for the extension parts of flexible, arched or ring-shaped pit support frames : de en
  • DE646353C - Electric hand lamp in stick shape with a power generator : de en
  • DE646594C - Process for purifying coal distillation gases : de en
  • NL40817C - : en
  • FR814203A - Method and device for lighting by electric discharge tubes, by means of low-voltage current supplied for example by a battery of cells or accumulators : en fr
  • ES4589Y - Slanted tab for tabs and file guides : en es
  • FR47638E - Device for simultaneous multiple telemetry : en fr
  • US2083877A - Dehydrogenation of alcohols : en
  • US2083985A - Valve control for gas burners : en
  • US2083901A - Selective coupling circuits : en
  • GB467372A - An improved holder for balls of wool and the like : en
  • GB467381A - Improvements in catalysts : en
  • GB467437A - Improvements relating to the contacts of electric switches : en
  • FR814221A - Improvements in the preparation of rubber compositions : en fr
  • US2083623A - Box for shipping chicks : en
  • CA366826A - Window mounting and weatherstrip : en fr
  • CH191306A - Injection valve device for internal combustion engines. : de en
  • CH191407A - Process for the production of chloroethyl. : de en
  • AU224236A - Improvements in chairs particularly for office use : en
  • CA366839A - Churn dasher : en fr
  • FR814034A - Method and device for indirect illumination of texts, objects, etc. : en fr
  • US2084096A - Rotary oil well drilling apparatus : en
  • AU222736A - Improvements in water sprinklers : en
  • CH191342A - Method for the preparation of rac. Lysergic acid ethanolamide. : de en
  • CH191360A - Circuit for television equipment. : de en
  • CH191279A - Steel alloy. : de en
  • US2084256A - Air valve : en
  • CH191197A - Toilet cover part and method of making the same. : de en
  • CA366819A - Rubber preservation : en fr
  • AU224536A - Improvements in or relating to electric discharge and like devices comprising a vitreous envelope : en
  • AU299536A - Improvements in and connected withthe draft means of fourwheeled trailers : en
  • US2084192A - Incandescent lamp and similar device : en
  • US2084079A - Screw : en
  • US2083887A - Process and apparatus for filtering : en
  • DE646476C - Liquid filter : de en
  • DE646499C - Process for the preparation of dyes of the anthraquinone series : de en
  • CH191228A - Device for the treatment of chocolate and other semi-liquid or plastic masses for the purpose of refining them, reducing their water content and removing undesirable volatile components. : de en
  • AU348036A - Improvement in discharge tube displays : en
  • CA366845A - Garment hanger and stretcher : en fr
  • CA366783A - Metallic product annealing process and apparatus : en fr
  • CH191251A - Method of making a translucent film opaque to ultraviolet rays. : de en
  • DE646496C - Primary winding for induction heating : de en
  • US2083581A - Inner sole for shoes : en
  • CH191365A - Toggle switch. : de en
  • DE646676C - Photographic camera with setting viewfinder : de en
  • GB467297A - Improvements in controllers for electric circuits : en
  • US2084158A - Automatic spark control : en
  • CH191245A - Molded body made from thermoplastic material. : de en
  • DE646421C - Process and device for the electrolytic production of white lead : de en
  • AU221336A - Improvement inthe towing of vehicles : en
  • FR47679E - Device for evacuating excess liquid in wet gas meters : en fr
  • GB467365A - Improvements in or relating to methods of and apparatus for shaping, forming and/or cutting sheet material, such as sheet metal : en
  • US2084187A - Cooling system for internal combustion engine arrangements : en
  • USD104926S - Design for a jewelry setting or simi : en
  • US2083732A - Adsorbent apparatus : en
  • USD104957S - Design for a textile fabric : en
  • ES143396A1 - Device for coupling an actuating member and another one actuated by, at least, a body-obstacle, in particular the organs of the free-wheel type. : en es
  • GB467290A - Improvements in and connected with ottomans and divans : en
  • GB467488A - Improvements in variable pitch airscrews and the like : en
  • CH191270A - Display device on scales and other measuring devices. : de en
  • FR814181A - Cathode ray image feeler with magnetic deflection of the feeler ray : en fr
  • DE616172C - Filter press with thin filter layers arranged between rib support plates : de en
  • AU107722B2 - Improvements relating to combined transformer and reactance devices for alternating current circuits : en
  • FR814058A - Process for making prints for color photography : en fr
  • CA366755A - Key operated electric switch : en fr
  • CH191438A - Process for the production of an acidic wool dye of the anthraquinone series. : de en
  • AU86036A - Improvements in modulating and demodulating apparatus : en
  • CA366782A - Fertilizer distributor : en fr
  • CH191274A - Pick-up without needle. : en fr
  • CH191471A - Gripper device on wheels with rubber tires. : de en
  • US2084259A - Transmission assembly for generator drives : en
  • AU101258B2 - Improvements in or relating to upholstered chairs and settees : en
  • CA366792A - Valve body production : en fr
  • DE646602C - Ventilation device : de en
  • DE646491C - Switching lock with toggle lock for automatic overcurrent switch with bimetal release : de en
  • GB467328A - Process for the treatment of oxidation products of aliphatic hydrocarbons : en
  • DE646346C - Device for changing the place of wire groups within their position : de en
  • DE642419C - De-watering, de-ironing, de-manganese, desalination and de-acidification of service and drinking water : de en
  • DE646149C - Elevator for steep screwdrivers : de en
  • DE646517C - Protective substance impervious to liquid warfare agents : de en
  • DE646690C - Selector device for devices in which current pulse combinations are received : de en
  • FR814067A - Improvements to folding type cameras : en fr
  • FR814122A - Water soluble condensation products and their production process : en fr
  • GB467538A - Improvements in knitted fabrics : en
  • DK53200C - Device by means of tubes flowing through a mixture of a liquid and gases or vapors, for separating the gases or vapors. : da en
  • FR814124A - Combined bottle and thermometer : en fr
  • CA366784A - Seamless knitted fabric : en fr
  • FR814146A - Project for the use of natural sources of heat and waste heat in homes of all kinds : en fr
  • FR814254A - Product instantly shining all wood and its manufacturing process : en fr
  • GB467397A - Improvements in or relating to bearing bushes : en
  • DE646603C - Metal shutters : de en
  • DE646696C - Centrifugal dust separator : de en
  • GB467191A - Belt-shifting mechanism for driving gear : en
  • GB467317A - Improvements in and relating to welding wires or electrodes : en
  • US2084044A - Endorsing machine : en
  • CH191289A - Pressed material plain bearings. : de en
  • CA366823A - Telescope sight mounting : en fr
  • GB467543A - Improvements in or relating to the manufacture of magnesium hydroxide : en
  • FR814164A - Improvements to buttons with initials : en fr
  • FR47685E - Sintered hard alloys : en fr
  • FR814109A - Device for mounting rolls in rolling mills : en fr
  • GB467504A - Improvements in and relating to fluid-pressure power installations : en
  • CH191412A - Process for the production of a new textile auxiliary. : de en
  • DE646417C - Hose-like expansion tank attached to the cable end for sending oil-filled electrical cables : de en
  • DE646568C - Circle : de en
  • US2083622A - Heat insulating mechanism : en
  • US2083588A - Tracer apparatus : en
  • US2084243A - Nursing bottle holder : en
  • CH191202A - Automatic filling limiter device for all containers, tanks, cisterns, etc. : en fr
  • DE646558C - Auxiliary device for inserting drill wires for screwing together thigh neck fractures : de en
  • DE646623C - Rotary cylinder lock : de en
  • GB467423A - Improvements in or relating to reciprocating piston machines which deliver gas under pressure : en
  • FR814278A - Aerodynamic flap control device : en fr
  • GB467442A - Improvements in telephone or like systems : en
  • US2084038A - Vulcanization of rubber : en
  • FR814001A - Improvement in the manufacture of hydraulic binders and other powdery products : en fr
  • CH191319A - Electric circuit breaker. : de en
  • CA366866A - Building : en fr
  • FR814174A - Alloy manufacturing process : en fr
  • DE646465C - Brake for high-speed rail vehicles : de en
  • DE646487C - Device to prevent foreign bodies from entering the air gap of loudspeakers : de en
  • CH191191A - Method and device for the production of glass fiber. : de en
  • GB467503A - Vehicle control mechanism : en
  • GB467525A - Improvements relating to hinges : en
  • US2083582A - Pumping system for gold dredges : en
  • US2083610A - Cylinder cock : en
  • US2084130A - Sash guide and seal : en
  • USD104947S - Design for a finger ring : en
  • US2083743A - Parachute : en
  • US2083807A - Two-cycle engine : en
  • US2083896A - Rail flaw detector mechanism : en
  • US2083627A - Automobile suspension system : en
  • US2083953A - Smoking apparatus : en
  • US2083613A - Safety catch : en
  • US2083655A - Fastening-inserting machine : en
  • US2083656A - Control of variable speed transmission : en
  • FR814204A - Circuit breaker distributor for electric risers : en fr
  • US2084245A - Antiglare illumination apparatus : en
  • FR47654E - Flush control device operated by opening the door of a toilet. : en fr
  • FR814259A - Sheet dispenser device : en fr
  • DE646699C - Device for displaying the thread tension in spinning machines and for regulating the machine speed : de en
  • GB467237A - Apparatus for reducing or crushing materials : en
  • FR814232A - Development in relays : en fr
  • DE646422C - Control device for multi-cylinder, single-acting piston compressors arranged in groups : de en
  • FR814213A - Gas burner : en fr
  • US2083955A - Valve rod guide for flush tanks : en
  • GB467323A - Improvements in and relating to methods of electric welding : en
  • DE646453C - Shaft bracket designed as a trim organ for speedboats : de en
  • DE646657C - Punch card sorting machine : de en
  • GB467513A - An improved method and means for making two-part closures for bottles, jars and the like : en
  • CH191386A - Motor vehicle chassis with medium support body for motor vehicles. : de en
  • GB467452A - Improvements in or relating to machines for forming hollow glassware : en
  • US2083903A - Tire chain : en
  • DE646171C - Device for hardening glass plates : de en
  • FR814225A - Ribbon, fabric, etc. for the manufacture of hats or other articles provided with a veil of fibers partially fixed to the tape, fabric, etc. : en fr
  • DE646215C - Metal pipe and extrusion press with a press pot mounted in the jacket with expansion clearance : de en
  • FR814049A - Electric accumulator : en fr
  • FR814157A - Packaging for stacked items : en fr
  • FR814251A - Non-freezing oil : en fr
  • GB467346A - Improvements in or relating to protective means for machine tool or like guideways : en
  • IE14664L - Manufacture of sodium hydroxide : en
  • ES4981U - A file (Machine-translation by Google Translate, not legally binding) : en es
  • GB467541A - Improvements in and relating to mops : en
  • FR47602E - Process of pseudo engraving on steel strip in rolls and machine intended to produce this engraving : en fr
  • FR814154A - Process for modifying at will the duration of the remanent illumination of phosphorescent screens : en fr
  • US2083621A - Fastener for containers : en
  • DE646673C - Connection of a photographic camera with a prism binoculars : de en
  • DE646739C - Device for the demonstration of living pictures in tunnels of underground trains with pictures arranged next to each other on the walls, which can be observed from the moving train : de en
  • GB467288A - Improvements in and relating to pumps : en
  • CH191314A - Hollow structure with corrugated walls, in particular a radiator element, and a method and device for producing the same. : de en
  • CH191394A - Flexible tire for vehicles. : de en
  • FR814032A - Improvements to electric ovens : en fr
  • US2084179A - Container : en
  • FR814171A - Process for obtaining shaped parts in hard material : en fr
  • DE646375C - Central photographic shutter with a built-in drive that regulates exposure and waiting time : de en
  • US2084186A - Photocell amplifier : en
  • US2084138A - Edge grinding machine : en
  • CH191285A - Sharpening apparatus for knife-like devices, in particular razor knives or blades. : de en
  • DE646416C - Electromagnetic system for electroacoustic devices with a pendulum-like oscillating armature tongue, which is held by means of a spring hinge at one end facing away from the magnetic poles : de en
  • FR814046A - Improvements to processes and apparatus for spraying powder or similar materials : en fr
  • GB467659A - Improvements in and relating to corsets and like garments : en
  • CH191272A - Sound reproduction device for placement in the corner of a room. : de en
  • DE646486C - Auxiliary device for the shingled arrangement of paper sections on a base : de en
  • FR814004A - Improvements to corrugated sheet metal box structures of aircraft wings : en fr
  • GB467462A - Article of linen or garment with a turned-over marginal portion : en
  • FR47613E - Process to immunize and protect all animal fibers against attack by ringworm larvae, molds and bacteria : en fr
  • GB467380A - Photographic material for colour photography or kinematography : en
  • CA366765A - Clutch control mechanism : en fr
  • CA366841A - Door operating mechanism : en fr
  • DE620611C - Clamping mandrel for turning benches that can be moved by a pressure medium : de en
  • US2083749A - Cleaner element for cleaning machines : en
  • US2084226A - Electric clock : en
  • CH191470A - Arrangement for generating tilting vibrations. : de en
  • DE646449C - Heating device, especially for motor vehicles : de en
  • GB467497A - Improvements relating to roller blind mountings : en
  • US2083538A - Bottle collar : en
  • GB467505A - Improvements in or relating to regulators : en
  • CA366813A - Proportioning device : en fr
  • CH191348A - Air filter. : en fr
  • DE646462C - Lathe device : de en
  • ES143613A1 - Improvements in the devices to remove vulcanized articles from the mold. : en es
  • CH191334A - Device for generating sweat in sick people. : de en
  • CH191357A - Switching arrangement for the mixer stage in intermediate frequency receivers. : de en
  • CH191403A - Extending table. : de en
  • US2083601A - Bookkeeping leaf : en
  • US2083802A - Process and apparatus for treating emulsions : en
  • CH191445A - Process for the production of a new condensation product. : de en
  • US2083687A - Deep well pump : en
  • CH191387A - Device for supporting the upper part of the vehicle on the steering wheels, in particular for motor vehicles. : de en
  • CH191435A - Process for the preparation of a dye of the anthraquinone series. : de en
  • CA366856A - Windmill : en fr
  • CA366808A - Gelatine duplicator pad : en fr
  • CA366828A - Suspension for lubricants : en fr
  • CH191415A - Process for the preparation of 4,6-dichloro-3,5-dibromo-2-amino-1-oxybenzene. : de en
  • DE646560C - Storage roll for dental treatment purposes : de en
  • CH191378A - Band brake. : de en
  • CH191235A - Process for the preparation of a dodecylthioglycolic acid. : de en
  • DE646483C - Process for the production of diolefins : de en
  • DE646525C - Support frame for power-driven rock chisels : de en
  • DE646708C - Device for removing tobacco smoke from the air, in particular when ventilating railroad cars : de en
  • DE646598C - Machine for cutting vegetables and fruits : de en
  • DK53216C - Piston ring. : da en
  • US2083892A - Desilverizing lead bullion : en
  • US2083952A - Rail fastening : en
  • US2084060A - Stoker : en
  • AU176536A - Improvements in or relating to variably selective circuits for carrier wave signaling systems : en
  • CA11502S - Traffic boy : en
  • US2083662A - Rotary plow cutter fastening : en
  • US2083928A - Coin controlled device : en
  • US2084014A - Flexible covering for automobile running boards : en
  • CH191283A - Process to improve the machinability of iron-nickel-aluminum alloys. : de en
  • US2083852A - Portable cooling cabinet : en
  • US2083766A - Tire and rim construction : en
  • CH191308A - Starting device for internal combustion engines. : de en
  • CA366767A - Engine fuel feeding system : en fr
  • DE646740C - Telescopic viewfinder on scissor-type cameras : de en
  • DE646255C - Electric adding machine : de en
  • CH191441A - Process for the production of a new condensation product. : de en
  • CA366805A - Electrical oscillation generator : en fr
  • CH191185A - Mechanical rake cleaner. : de en
  • CH191303A - Device to prevent unwanted reverse running of injection internal combustion engines. : de en
  • CH191307A - Float carburettor, for internal combustion engine. : en fr
  • US2083929A - Process of making a beater furnish : en
  • US2083997A - Universal method of shelving : en
  • US2083976A - Material breaking device : en
  • CH191423A - Process for the preparation of a monoazo dye. : de en
  • CH191414A - Process for the preparation of 3.4.5.6-tetrachloro-2-amino-1-oxybenzene. : de en
  • US2084143A - Process for inspecting the ground : en
  • US2083938A - Shoe : en
  • US2083964A - Liquid dispensing device : en
  • US2083727A - Fly swatter : en
  • US2083793A - Abrading or polishing implement : en
  • US2084123A - Loading coil case : en
  • DE646688C - Mobile toy mount : de en
  • FR814145A - Dielectric liquids for electrical devices : en fr
  • CH191248A - Process for wastewater purification by means of trickling filters and device for carrying out the process. : de en
  • CA366815A - Hair drier : en fr
  • CA366768A - Ventilating window mechanism : en fr
  • CA366786A - Nitrosyl chloride and chlorine mixture processing : en fr
  • DE646257C - Printing tabulating machine with a device for creating balances of positive and negative items : de en
  • US2083748A - Machine tool carriage control : en
  • US2083978A - Blasting cartridge : en
  • CA366830A - Blood circulation enhancing apparatus : en fr
  • CH191271A - Sound film and method of making the same. : de en
  • US2083698A - Push bench method and apparatus : en
  • USD104934S - Design for a soap dish : en
  • US2083737A - Blasting method and apparatus : en
  • US2083762A - Elevator-door check : en
  • US2083840A - Muffler : en
  • CA366831A - Particle and gas separating process : en fr
  • US2084018A - Running board cover : en
  • US2083572A - Process of treating oil : en
  • USPP251P - Chrysanthemum : en
  • US2084151A - Rosary watch chain : en
  • AU172836A - Improvements in articles of footwear particularly suitable for wear within rubber boots andthe like : en
  • FR814155A - Electric discharge lamp or luminescent tube : en fr
  • GB467272A - Improvements in and relating to protective devices for oil filled electrical apparatus : en
  • AU101252B2 - Improved construction of sanitary pan : en
  • FR47657E - Capacitors : en fr
  • CH191243A - A liquid to aqueous dispersion product containing rubber in colloidal dispersion, and process for its preparation. : en fr
  • US2083557A - Extrusion apparatus : en
  • US2084069A - Vehicle door construction : en
  • US2083608A - Adjustable spaceband indicator : en
  • US2083549A - The manufacture of sulphurized organic isocolloids : en
  • US2083951A - Hydraulic brake : en
  • US2083729A - Material-breaking apparatus : en
  • FR47675E - Process for preparing colored varnishes : en fr
  • FR814209A - Combined regulator-switch, more specifically intended for radio installations : en fr
  • FR814127A - Process for the production of olefins : en fr
  • GB467329A - Continuously-operating retorts for the production of gas : en
  • IE14285L - Combined adjustable desks and seats : en
  • FR814236A - Safety device, pneumatically operated, for braking push-back train sets : en fr
  • DE646678C - helicopter : de en
  • DE646150C - Locking of two strut parts that can be displaced against one another by means of pressure fluid, especially for aircraft : de en
  • US2084077A - Vehicle wheel mounting : en
  • USRE20408E - Centrifugal fan : en
  • FR814111A - Method and device for charging apparatus for the distillation of solid fuels : en fr
  • CH191218A - Throw for cyclists and motorcyclists. : de en
  • CH191384A - Force transmission mechanism. : en fr
  • FR814042A - Industrial product consisting of a layer based on cellulose wadding : en fr
  • US2083799A - Method of and apparatus for electrically treating emulsions : en
  • FR47653E - Electron tube with an empty space serving as a resonator : en fr
  • FR814014A - Aircraft upgrades : en fr
  • DE646589C - Electric gas switch : de en
  • DE646614C - Airplane wing with a single spar : de en
  • US2084295A - Hydraulic brake : en
  • DE646714C - State-excited m-phase shunt commutator machine : de en
  • GB467214A - Improvements in or relating to type arrangement for composing machines : en
  • GB467368A - Improvements in the cracking and coking of hydrocarbon oils : en
  • GB467414A - Improvements in or relating to drilling and analogous machines : en
  • GB467537A - Improvements in crushing and dispensing devices : en
  • US2083631A - Nonskid device for motor vehicles : en
  • GB467261A - Improvements in and relating to coin exchanging mechanism : en
  • GB467316A - Closure device for light shaft openings of cellar windows : en
  • GB467506A - An improved galosh for use when driving motor road vehicles : en
  • GB467436A - Improvements in tobacco pipes : en
  • GB467394A - Improvements in or relating to the manufacture of turbine blades : en
  • US2084042A - Rubber derivatives : en
  • US2084281A - Printing press : en
  • CH191291A - Process for the production of piston rings with a slightly conical outer surface. : de en
  • DE646627C - Method and device for drying : de en
  • FR814033A - Protection switch device for electrical installations powered by accumulator batteries : en fr
  • GB467355A - Improvements relating to the lubrication of pulley or other like bearings : en
  • CH191174A - Drainage pipeline. : de en
  • IE14609L - Wire broadcasting systems : en
  • DE646452C - Motorbike with sidecar with connecting strut acting on a four-bar linkage : de en
  • ES142882A3 - Installation for the treatment of combustible material without smoke. : en es
  • GB467299A - Sun glare shield : en
  • GB467447A - Manufacture of indigoid vat-dyestuffs : en
  • FR814060A - Television decomposer device : en fr
  • DE646666C - Sewing machine with lower and upper fabric slide : de en
  • FR814098A - Cherry stone removing machine : en fr
  • DE646489C - Regenerable electric battery : de en
  • GB467400A - Improvements relating to braking mechanism for vehicles : en
  • DE646141C - Air valve to prevent dirty water from being sucked back into water pipes : de en
  • US2083585A - Air conditioning system : en
  • DE646515C - Rotatable drum with internal feed device for surface treatment of mass objects : de en
  • DE646663C - Screw locking : de en
  • ES143624A3 - PROCEDURE FOR MANUFACTURING PAPER FOR CARDS OR TOKENS FOR STATISTICS : en es
  • FR814282A - Froth flotation treatment of ores such as sylvinites and polyhalites : en fr
  • GB467212A - An improved portable wardrobe, cupboard or the like : en
  • US2083598A - Process for the preparation of highly enzymatic yeast : en
  • US2083850A - Game apparatus : en
  • CH191231A - Process for the preparation of the sodium salt of di-octyl sulfosuccinate. : en fr
  • CH191328A - Color contrast-enhancing, neodymium-containing lampshade and process for its production. : de en
  • GB467454A - Improvements in squash, badminton and other rackets for playing games : en
  • US2084212A - Rail bond : en
  • US2084159A - Electric valve system : en
  • US2083580A - Guard for razors and hair clippers : en
  • USD104963S - Design fob a shoe : en
  • GB467572A - Improvements in the manufacture and production of cores for electromagnets and the like, made from powdered materials : en
  • US2083915A - Covered filter for vacuum cleaners : en
  • CH191335A - Distraction device for the treatment of fractures of the limbs. : de en
  • US2084234A - Combination machine stand : en
  • FR814103A - Device usable for hair waving : en fr
  • US2084012A - Pyrolysis of hydrocarbons for resin manufacture : en
  • FR814161A - Cinematographic reproduction apparatus, in particular for reproducing sound films : en fr
  • GB467220A - Broom or the like having an exchangeable bristle or feather portion : en
  • GB467344A - An improved lubricating device for slicing machines : en
  • FR47660E - : fr
  • DE638439C - Visual file : de en
  • GB467429A - Improvements in ball or float cocks : en
  • US2084084A - Can construction : en
  • FR47690E - Canoes, skis, trunks, for motor cars : en fr
  • AU427936A - Improvement in folding camera : en
  • CH191267A - Instrument for making precision measurements. : en fr
  • FR47646E - Variable pitch propeller : en fr
  • FR814039A - Door : en fr
  • FR814135A - Penholder enhancements removable ink bulb reservoirs : en fr
  • DE646601C - Sofa bed : de en
  • DE646528C - Web shuttle with three-part spindle : de en
  • DE646625C - Cross-winding machine with a grooved roller for the thread guide : de en
  • US2083893A - Solvent refining mineral oil : en
  • US2083948A - Weighing scale : en
  • DE646526C - Diesel hammer with stepped piston : de en
  • US2083626A - Amplifying circuits : en
  • US2083861A - Separator for water and gasoline : en
  • DE646669C - Making a drink : de en
  • DE646727C - Container for a lipstick or similar object : de en
  • FR47632E - Device for printing the weight in figures in automatic weighing devices : en fr
  • FR814198A - Improvements to thread tensioning devices for circular loom shuttles : en fr
  • FR47612E - Charge current regulator for variable speed generator coupled to a buffer battery : en fr
  • FR814158A - Improvements to devices for vacuum cleaning : en fr
  • DE646729C - Course writer : de en
  • US2084088A - Marker : en
  • FR47648E - Automatic circuit breaker : en fr
  • DE646516C - Photographic developer, especially for direct color development : de en
  • DE646524C - Process for the production of refractory fittings : de en
  • GB467307A - Improvements in and relating to light projectors : en
  • FR47624E - Metal frame for molded steering wheel : en fr
  • GB467658A - Improvements in aeroplane parts formed of metal : en
  • DE646451C - Attachable valve cap for the valve insert : de en
  • DE646557C - Method for opening up willow bark : de en
  • DE646654C - Tension meter for aircraft wires : de en
  • DE643190C - Device for regulating the web speed in drying machines for fabric and paper webs : de en
  • US2083833A - Fan : en
  • US2084284A - Ether acid halides and process of making them : en
  • US2083579A - Razor and hair clipper : en
  • US2083886A - Spring belt stitcher : en
  • DE646352C - Coupling device for liftable electric lamps : de en
  • DK53208C - Device for Blowers with rotating impeller. : da en
  • GB604265A - Improvements in and relating to gun mountings for aircraft, particularly aeroplanes : en
  • FR47665E - Removable stud system for tractor wheels or propellant track : en fr
  • DE646408C - Process for the enrichment of ketene and for the preparation of its reaction products : de en
  • US2083705A - Blasting device : en
  • USD104912S - Design fob a shoe : en
  • DE646370C - Sewing machine table : de en
  • DK53202C - Apparatus for cooling goods placed on a table top. : da en
  • FR47678E - Improvements to valves for tires fitted with a deflation warning signal : en fr
  • GB467393A - Improvements in variable speed power drives including adjustable diameter sheaves : en
  • DE646564C - Machine for cutting elongated rectangular holes in wood and similar building materials : de en
  • GB468359A - Improvements in or relating to straps and the like for wrist watches and similar purposes : en
  • CH191196A - Pull-out table. : de en
  • CH191278A - An alternating current driven motor with synchronized oscillating armature. : de en
  • CA366779A - Thermionic valve circuit arrangement : en fr
  • CH191390A - Tug with winch, especially for pulling guns : de en
  • US2083734A - Air-shooting apparatus : en
  • US2083806A - Revolving tire sign and cover : en
  • US2083907A - Method and apparatus for regulating carburetor mixtures : en
  • CH191241A - Oil regeneration facility. : de en
  • CH191304A - Device for starting injection internal combustion engines. : de en
  • GB467247A - Improvements in or relating to shoes, sandals or the like and footwear sets : en
  • GB467517A - Process for the treatment of alloys and other materials containing copper and nickel : en
  • US2084065A - Sheet feeding machine : en
  • US2083772A - Ophthalmic mounting : en
  • US2083899A - Apparatus for centrifugal separation : en
  • US2084250A - Process for the production of starch : en
  • CH191258A - Music stand for pianos and similar musical instruments. : en fr
  • CH191404A - Extending table. : de en
  • US2083971A - Air conditioning system : en
  • US2084124A - Centering arbor : en
  • DE646668C - Fine layer drum dryer : de en
  • FR814276A - Improvements to fast-revving engines : en fr
  • DK53225C - Ball games. : da en
  • DE646135C - Lubricating device for internal combustion engines : de en
  • FR47603E - Automatic adjustment device for several generators in parallel, with direct current, in particular for lighting dynamos of motor vehicles : en fr
  • FR814016A - equipping an ordinary truck with a barrel truck : en fr
  • CH191265A - Device for cordoning off parts of the terrain. : de en
  • US2083867A - Vegetable washing machine : en
  • US2084092A - Dental film holder : en
  • DE646343C - Fridge insulation consisting of layers of air : de en
  • DE646450C - Valve for an air hose or the like. : de en
  • FR814092A - Indigoids dyes : en fr
  • FR814287A - Wrinkle resistant fabric : en fr
  • US2083965A - Compressed air operated liquid dispensing device : en
  • US2084148A - Rolling strip : en
  • USD104979S - Design for a coat : en
  • FR814096A - Automatic control for welding machines : en fr
  • GB467267A - Improvements in or relating to the production of protective coatings on aluminium and aluminium alloys : en
  • GB467289A - Improvements relating to clips for display devices : en
  • NL41106C - : en
  • US2083882A - Friction eliminating unit for motion weighing suspension scales : en
  • US2083973A - Display device : en
  • US2083590A - Lubricating apparatus : en
  • DE646170C - Device for overlap welding of pipes, barrel jackets or the like by means of electrical resistance point or seam welding : de en
  • FR814013A - Gasifier using wood and other woody materials : en fr
  • FR814119A - Refrigerating machine operating by compression and controlled by an electric motor for household refrigerating cabinets : en fr
  • ES143553A1 - Siemens-Martin combined oven and electric. : en es
  • CH191195A - Containers for drinking straws. : de en
  • US2084160A - Filter system for loudspeakers : en
  • US2084217A - Radio receiver scale : en
  • GB467408A - Improvements in or relating to apparatus or means for sterilizing, disinfecting, washing and like purposes : en
  • DE646325C - Press for gluing soles to footwear with a pressure cushion housing : de en
  • DE646521C - Folding davit : de en
  • US2083897A - Last jack : en
  • US2083974A - Accelerator control : en
  • FR814024A - Heavy oil burner : en fr
  • FR814131A - Device for the compensation of the higher harmonics of chokes or transformers : en fr
  • USD104921S - Design fob a hair waving apparatus : en
  • US2083961A - Insulating plaster : en
  • US2083642A - Clothespin or the like : en
  • US2083646A - Motor drive for motion picture cameras : en
  • US2084268A - Tube making and copper coating process : en
  • US2083916A - Spark plug : en
  • DE646199C - Safety device for rolling and drawing mills for processing materials that are permeable to electrical vibrations : de en
  • DK53207C - Protective device for power rectifiers. : da en
  • GB467322A - Improvements in matrix composing and type line casting machines : en
  • CH191332A - Electric flashlight. : de en
  • ES143547A2 - IMPROVEMENTS IN THE CONSTRUCTION OF VERTICAL RETTORS FOR DISTILLATION OF COAL AND OTHER CARBONOUS MATERIALS : en es
  • ES4574Y - A perfected screwdriver : en es
  • GB467221A - Improvements in or relating to shaped glass articles and methods of producing the same : en
  • DE639663C - Typewriter : de en
  • DE646419C - Electric vehicle headlight with deep ellipsoidal mirror : de en
  • AU101249B2 - Improvements in or relating to felted fibrous product and method of making thesame : en
  • CH191297A - Power machine. : de en
  • GB467360A - Improvements in electric forging or upsetting machines : en
  • US2083576A - Heat treatment of aluminum alloys : en
  • US2083764A - Scrubber : en
  • US2083872A - Umbrella handle or the like and identification means therefor : en
  • US2084009A - Apparatus for making tire casings : en
  • US2083624A - Condiment shaker : en
  • US2083832A - Oil burner : en
  • DE646575C - Followers for paper pulp processing machines : de en
  • NL40886C - device for automatically interrupting irradiation : en nl
  • CH191440A - Process for the preparation of a chromium-containing dye. : de en
  • AU243436A - Improvements in or relating to rotary fasteners and method of fastening : en
  • CH191339A - Process for the preparation of a stereoisomeric alcohol. : de en
  • US2084058A - Condenser motor : en
  • US2084262A - Products bonded with the resinous reaction products from polyhydric alcohols and boric acid compounds : en
  • US2084290A - Process of making aluminum chloride : en
  • US2083633A - Paint spraying machine : en
  • US2084049A - Reel for grain harvesting machines : en
  • US2084133A - Method of producing magnetic materials : en
  • CA366869A - Stocking treating apparatus : en fr
  • FR814036A - Electric hygrometer and its applications, in particular for controlling monitoring devices, advertising, fire detection, etc. : en fr
  • GB467461A - Improvements in or relating to shoe stretchers, shoe trees and the like : en
  • DE646441C - Process for the production of four-color prints : de en
  • DE646618C - Device for tilting the car body on vehicles when cornering : de en
  • US2083843A - Cracker dispenser : en
  • US2084028A - Spring plankless truck : en
  • US2083604A - Golf glove : en
  • US2084150A - Apparatus for coating material : en
  • US2084275A - Weld rod : en
  • CH191376A - Case for prismatic objects. : de en
  • US2083670A - Lens cap and finder arrangement for motion picture apparatus : en
  • US2084156A - Emulsifying and cream making device : en
  • CH191355A - Receiving arrangement for carrier current systems with activation of the carrier current by the signal currents modulating it. : de en
  • FR814041A - Process for improving photographs on embossed media : en fr
  • CH191182A - Blind arm. : de en
  • CH191305A - Fuel injection device for internal combustion engines. : de en
  • ES4591Y - Flat cord to drive the spindles of spinning machines and the like. : en es
  • GB467207A - Improvements in or relating to fastening devices for motor car bonnets and the like : en
  • CH191385A - Drive device on off-road vehicles. : de en
  • US2083925A - Ring : en
  • CH191341A - Process for the preparation of a theophylline derivative of a urethane series mercury compound. : de en
  • DE646481C - Process for the extraction and purification of fatty acids : de en
  • CH191199A - Urinal strainer. : de en
  • CA366821A - Metal decoration : en fr
  • US2084169A - Indicating system : en
  • AU196237A - Improvements in or relating to manure and (or) seed distributors : en
  • US2083635A - Lubrication of artificial filaments : en
  • DE646608C - Device for inserting poles into the ground : de en
  • DE646431C - Printing tabulator : de en
  • GB467570A - Improvements in or relating to electric current converters : en
  • DE646538C - Sewing machine : de en
  • US2083759A - Mechanism for sizing : en
  • FR47626E - Method and apparatus for the concentration of grape juice : en fr
  • GB467540A - Improvements in safety razors : en
  • GB467389A - Improvements in or relating to devices for regulating liquid level : en
  • NL39639C - : nl
  • US2083733A - Anchoring means : en
  • US2083839A - Support : en
  • CH191372A - Umbrella frame. : de en
  • CH191186A - Draft device of a furnace. : en fr
  • US2083653A - Transmission system : en
  • CA11512S - Tires : en
  • CH191309A - Connection device for connecting the spark plugs of internal combustion engines to a power source. : de en
  • US2083573A - Speculum : en
  • US2083745A - Furnace : en
  • US2083801A - Method and apparatus for dehydrating petroleum : en
  • AU101235B2 - Improvement inthe towing of vehicles : en
  • DE646566C - Process for the production of high quality raw rubber : de en
  • DE646852C - Tilting device for the ignition of mercury vapor glass rectifiers with an ignition anode located in a direct current circuit and also serving as an exciter anode, with a tilting coil lying parallel to the circuit: ignition anode-cathode : de en
  • US2083932A - Temperature controlling system : en
  • CH191458A - Process for the preparation of a carboxylic acid ester containing the pyridine nucleus. : de en
  • US2084164A - Sheet counter and marker : en
  • CH191268A - Tilting mechanism for single-bellows gas meters. : de en
  • CH191364A - Optical arrangement for setting the camber angle of a trapezoid. : de en
  • CH191280A - Process for the production of centrifugally cast pipes and centrifugally cast pipe produced according to this process. : de en
  • AU242837A - Improvements in food grillers and toasters : en
  • US2083818A - Cylinder paper machine and method of making paper : en
  • GB467310A - Improvements in or relating to starting apparatus for internal combustion engines : en
  • US2083939A - Internal combustion engine : en
  • CA366774A - Electrical distribution system : en fr
  • US2083716A - Chair : en
  • US2083812A - Filtering machine : en
  • CH191323A - Device for keeping the DC voltage of grid-controlled rectifiers constant. : de en
  • CA366810A - Duplicating machine : en fr
  • DE646585C - Drain for washing tubs : de en
  • GB467463A - Improvements in or relating to coffee making machines : en
  • US2083619A - Method for the preparation of azo dyes : en
  • US2083686A - Air brake : en
  • US2083536A - Christmas tree lighting device : en
  • US2084173A - Wearing apparel : en
  • US2083616A - Knitted hood and scarf assembly : en
  • US2084089A - Pressure gauge : en
  • US2084216A - V-type brake for motor vehicles : en
  • DE646337C - Process for moistening textiles, in particular running webs of fabric : de en
  • GB467549A - The manufacture of condensation products of the diphenylamine series : en
  • USD104951S - Design for a textile fabric or : en
  • US2083602A - Gas burner assembly : en
  • US2083854A - Hydraulic pump : en
  • US2083914A - Filter top for vacuum cleaners : en
  • US2083921A - Filter making apparatus : en
  • US2083941A - Pulverizer : en
  • US2084263A - Products bonded with the resinous reaction products from polyhydric alcohols and phosphoric acid compound : en
  • DE646469C - Amplifier tube controlled by light with glow cathode, anode and photoelectrically effective area serving as control electrode : de en
  • US2083565A - Container and reclosure : en
  • US2083654A - Braking system : en
  • US2084001A - Hydraulic shock absorber : en
  • CH191264A - Head percussion fuze for projectile. : en fr
  • CH191326A - Hot cathode. : de en
  • US2083644A - Organ action magnet : en
  • US2084023A - Running board cover : en
  • CA366812A - Rubber-like polymer composition : en fr
  • US2083638A - Controlled atmosphere furnace construction : en
  • US2084119A - Compensating network : en
  • USD104970S - Design for : en
  • CA366870A - Circular cutting tool : en fr
  • US2084301A - Seam-protecting attachment for cloth shearing machines : en
  • US2084071A - Unit cylinder clasp brake : en
  • US2084291A - Trailer hitch : en
  • DE646395C - Splash lubrication for axle bearings, especially in rail vehicles : de en
  • GB467653A - Stereophotographic apparatus for the purpose of obtaining the stereoscopic effects by means of one plate or one photographic or cinematographic film : en
  • DE646569C - Device for the reproduction of sound recordings recorded in push-pull : de en
  • US2084146A - Stud bolt : en
  • CH191238A - Process for the preparation of 3-oxycarbazole-2-carboxylic acid. : de en
  • DE646507C - Luffing crane with spotlights arranged on the luffing mechanism to illuminate the storage area : de en
  • US2083652A - Separate recovery of potassium phosphates and ammonium phosphates : en
  • US2083708A - Refrigerator car door : en
  • US2083944A - Brake setting apparatus : en
  • CH191301A - Control device for internal combustion engines, in particular for injection engines. : de en
  • DK53204C - Typographic telegraph apparatus using the same Transmission Characteristics for two different Types Groups. : da en
  • USD104955S - Design for a pyrophoric lighter : en
  • DE646687C - Shadow boxing ball : de en
  • US2083822A - Method and apparatus for permanent waving : en
  • US2083950A - Method and apparatus for vaporizing sulphur and other fungicidal and insecticidal substances : en
  • US2084247A - Method of making chilled metal mold castings : en
  • US2083731A - Absorbent article-saturating apparatus : en
  • DE646355C - Device to improve the effectiveness of electron tubes : de en
  • DE646635C - Bathing cap made of rubber with all-round sealing : de en
  • FR814173A - Wire resistance measuring device : en fr
  • US2084091A - Plunger or the like operating mechanism : en
  • US2084190A - Slagging furnace : en
  • CH191428A - Process for the preparation of an azo dye. : de en
  • DE646637C - Process for converting natural resins or raw materials containing them into low and high boiling oils : de en
  • ES143574A1 - PROCEDURE TO CARRY OUT THE HYDROGENATION OF CARBONOUS MATTERS : en es
  • GB467426A - Improvements in spinning viscose : en
  • CH191282A - File and method of making the same. : de en
  • CH191346A - Device for spreading shaving cream on the face. : en fr
  • DE646563C - Process for the production of hollow glass bodies with outer decorative surfaces : de en
  • USRE20410E - larson : en
  • US2083817A - Water extracting device for paper machines and method of making paper : en
  • US2084129A - Crankshaft casting : en
  • USD104982S - Design for a dress : en
  • FR814180A - Automatic pick finder and return device for looms : en fr
  • CA366852A - Gangue mineral amalgamator : en fr
  • US2084027A - Hydroxy-chlorodiphenyl derivatives : en
  • US2084116A - Resilient constructional element : en
  • US2084230A - Attachment for hosiery driers : en
  • US2084260A - Key holder : en
  • CH191411A - Process for the preparation of a Py-3-oxytetrahydro-10-oxynaphthoquinoline. : de en
  • US2083845A - Hairpin : en
  • US2084228A - Safety milk bottle container : en
  • US2083754A - Rotary printing machine : en
  • US2083902A - Relay : en
  • CA366829A - Pipe coupling : en fr
  • CH191288A - Plaque. : de en
  • DE646384C - Carriage for field guns with a device for attaching wheels with pneumatic tires : de en
  • US2084215A - Typewriter carriage return and platen spacer mechanism : en
  • CA366789A - Motor and cooling jacket : en fr
  • CH191201A - Attachment for cooking and washing vessels. : de en
  • CH191325A - Process for the production of radiators, which consist of helical heating wires and insulating coatings and are intended for indirectly heated cathodes of electrical discharge vessels. : de en
  • US2083609A - Joint for metal links : en
  • CA366859A - Automatic stoker : en fr
  • CA366761A - Vaccine lymph production : en fr
  • AU247036A - Improvements in or relating to felted fibrous product and method of making thesame : en
  • CA366822A - Film printing process : en fr
  • AU225136A - Directional indicator for use on motor vehicles : en
  • CA366796A - Illuminated instrument dial : en fr
  • US2083750A - Surface cultivator blade : en
  • US2084201A - Light relay : en
  • US2083947A - Automatic sales system : en
  • CA366785A - Display signal : en fr
  • CA11496S - Lighter : en
  • AU140636A - Improvements in or relating to means for distortionless volume control of radio receivers : en
  • CH191424A - Process for the preparation of a monoazo dye. : de en
  • FR814141A - Improvements to steam traps : en fr
  • ES143608A2 - IMPROVEMENTS IN THE APPARATUS FOR THE MANUFACTURE OF TIRES : en es
  • DE646420C - Insert body consisting of a wire bundle for devices to reduce the development of vapor in metal vapor discharge apparatus : de en
  • FR47680E - Method of manufacturing an anti-detonating fuel and means for its production : en fr
  • DE646366C - Device for feeding a low-pressure internal combustion engine with a gasification and combustion chamber arranged in the cylinder head and connected to the working cylinder by a Venturi tube : de en
  • FR814290A - Improved process and plant for the hydrogenation of sulfur-rich hydrocarbon materials : en fr
  • GB467523A - Apparatus for the steaming or cooking of foodstuffs : en
  • GR6591B - TYPE OF PERMANENT COMBUSTION HANGER. : el en
  • AU404636A - Improvements in oscillating wing aircraft : en
  • CH191446A - Process for the production of a new condensation product. : de en
  • GB467484A - Improvements in and relating to the recovery of tantalum and niobium : en
  • GB467501A - Process of consolidating or water proofing mortar : en
  • DE646407C - Process for the production of glyoxal semiacetals : de en
  • DE646742C - Fuse for the locking device of tail rudders : de en
  • GB467435A - Improvements in or relating to telephone headbands and headsets : en
  • GB467550A - Improvements in and relating to adjustable centrifugal governors : en
  • CA366875A - Golf club : en fr
  • US2083958A - Vending and weighing machine : en
  • CA366775A - Radio beacon system : en fr
  • FR814082A - Process for carrying out reactions between oxides of carbon and hydrogen : en fr
  • FR814267A - Bucket wheel for trench digging machine : en fr
  • GB467270A - Improvements in or relating to apparatus for severing an axially moving rod into lengths : en
  • AU101268B2 - Improvements in chairs particularly for office use : en
  • DE642879C - Refining machine for chocolate masses : de en
  • AU42936A - Improved collapsible box for butter andother commodities : en
  • AU226436A - Improvements in or relating to aerial lead-in arrangements for wireless receiving systems : en
  • CH191257A - Mechanics for keyboard instruments. : de en
  • DE646397C - Method of making seamless hoses : de en
  • FR814048A - Improvements to two-stroke internal combustion engines : en fr
  • GB467485A - Improvements in and relating to turret or cupola mountings for guns and other instruments in aircraft, particularly aeroplanes, and other vehicles : en
  • CA366766A - Wax manufacture : en fr
  • CH191215A - Method for cutting diagonal fabrics and device for carrying out the method. : de en
  • US2083769A - Cigar tip or mouthpiece : en
  • CH191219A - Colored zipper. : de en
  • GB467407A - Improvements in or relating to leaf springs : en
  • GB467579A - Improvements in the removal of gaseous weak acids from gases containing the same : en
  • AU101225B2 - Improved elements for use invisible index equipment : en
  • CA366838A - Eyeglass and spectacle mounting : en fr
  • FR47634E - Method and device for compacting extensive layers of concrete from pavements or other constructions : en fr
  • FR814055A - Centrifugal governor, in particular for ignition devices of internal combustion engines : en fr
  • FR47673E - Handling device : en fr
  • DE646330C - Method for the amplification and rectification of electrical alternating currents with an electron tube in braking field circuit : de en
  • US2083605A - Water closet : en
  • FR814265A - Improvements to tubes such as electronic discharge tubes : en fr
  • ES4473Y - False collar for shirts. : en es
  • GB467287A - Improvements in path and kerb construction : en
  • US2084269A - Guiding and cushioning means for slidable window panes : en
  • GB467395A - Improvements in or relating to process and apparatus for producing electrodes for electric arc welding : en
  • GB467663A - Production of metallic magnesium : en
  • CH191437A - Process for the production of an acidic wool dye of the anthraquinone series. : de en
  • GB467240A - Improvements in or relating to the removal of bases from water : en
  • FR47649E - Temperature regulating device for gas treatment apparatus in the presence of contact materials : en fr
  • FR814247A - Sprayer-sprayer for spraying or atomizing liquid or other substances : en fr
  • CH191464A - Process for the preparation of diphenylacetic acid-2-allylethylaminoethanol ester. : de en
  • DE646648C - Process for the extraction of bitumen from asphalt rock : de en
  • US2084178A - Double-speed synchronous motor : en
  • DE646250C - Locking at runway crossings for monorail trolleys : de en
  • ES143586A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 124350 : en es
  • CH191455A - Process for the preparation of a compound of the etio-cholenone series. : de en
  • FR814093A - Process for producing mixed polymerizates : en fr
  • FR814144A - case for beauty products and others : en fr
  • GB467474A - Improvements in or relating to kneading and mixing machines : en
  • CA366773A - Gaseous electric discharge device : en fr
  • CH191262A - Light mortar. : de en
  • CH191401A - Solid fuel cast iron boiler with installation to transform it into a liquid or gaseous fuel boiler. : en fr
  • US2083781A - Building construction : en
  • US2084051A - Float controlled switch mechanism : en
  • GB467282A - Improvements in or relating to machines for making containers from glass tubing : en
  • FR814202A - Melting process, in a rotary tubular furnace, of minerals that are difficult to melt, and furnace allowing the implementation of this process : en fr
  • GB467268A - High frequency electric cable : en
  • FR814239A - Mixer especially for making mayonnaise : en fr
  • GB467431A - Improvements in or relating to modulated carrier wave receivers : en
  • CH191217A - Shoulder insert for men's and women's dresses. : de en
  • CA366836A - Screw manufacture : en fr
  • US2083787A - Combined carburetor and supercharger : en
  • USD104938S - Combined bottle and stopper : en
  • GB467349A - Improvements in or relating to roller mills for grinding paint and other substances : en
  • DE646444C - Coupling between towing vehicle and trailer by means of a pneumatic rubber tire in the direction of travel : de en
  • DE646532C - Fluid switch : de en
  • GB467356A - A new or improved device for cutting onions : en
  • GB467524A - Improvements relating to tin boxes : en
  • CH191447A - Process for the production of a new condensation product. : de en
  • FR814230A - Improvements to luffing jib cranes : en fr
  • GB467338A - Improvements in and relating to armrests for seats : en
  • DE646545C - Process for dyeing cellulosic fabrics : de en
  • FR814163A - Improvements in control devices for variable speed ratio transmissions, in particular those of the continuous type : en fr
  • GB467257A - Improvements in and relating to apparatus for the introduction of materials into liquid baths : en
  • US2083658A - Self-centering washer : en
  • GB579960A - Improvements in and relating to recuperators for servo-mechanism of the hydraulic type : en
  • GB467224A - Improvements in fuel-feeding means for mechanical stokers : en
  • FR814025A - Device for moving railway cars : en fr
  • GB467302A - Improved construction of wing or controlling surface for aircraft : en
  • US2084209A - Coated metal pipe and process of producing the same : en
  • CA366798A - Terminal for edgewound resistors : en fr
  • GB467253A - Improvements in the drying of freshly printed sheets of paper : en
  • ES4586Y - Men's garter : en es
  • GB467215A - Improvements relating to drivers' brake control devices for electro-pneumatically controlled fluid pressure braking apparatus : en
  • GB467305A - Improvements in or relating to centrifugal governors : en
  • DE646649C - Cylindrical speculum : de en
  • FR814187A - Method and device for regulating the flow of a gaseous fluid passing through a pipe, conduit or the like : en fr
  • US2083578A - Filter cake washing : en
  • US2084264A - Wrapped rolled surgical dressing : en
  • DE646732C - Device for making butter : de en
  • FR814017A - Hitching system for rolling barrels : en fr
  • US2083910A - Unit cylinder drum brake : en
  • GB467330A - Improvements in luggage bags : en
  • FR814069A - recovery heat exchanger : en fr
  • US2083676A - Floating die head for molding presses : en
  • FR47614E - Flat grate hearth : en fr
  • DK53203C - Electrical Command Post. : da en
  • FR814260A - Improvements made to remote indicating devices of the quantity of liquid contained in a tank : en fr
  • CH191397A - Power plant, in particular for driving vehicles. : de en
  • DE646239C - Electric machine : de en
  • ES143581A1 - Improvements in the manufacture of reinforcements for footwear. : en es
  • FR814299A - Device and aids for the graphic representation of theoretical music relations and for the analysis of music : en fr
  • US2083689A - Fishing reel : en
  • US2083678A - Plant support and trellis : en
  • US2083721A - Locomotive firebox : en
  • US2083830A - Artificial leg : en
  • US2083919A - Slide fastener : en
  • FR814257A - Centralized lubrication system : en fr
  • GB467388A - Improvements in or relating to feed mechanisms for sewing machines : en
  • DE646439C - A doctor roll arranged transversely to the direction of movement of a paper web with elastic longitudinal strips arranged on the roll shell : de en
  • FR814167A - Process for preparing azo dyes : en fr
  • FR47655E - Improvements to devices for modulating electrical oscillations or adjusting the amplitude supplied to a user device : en fr
  • GB467390A - Improved means for regulating touch in typewriting or like machines : en
  • GB467369A - Capsules for jars, bottles and other vessels : en
  • GB467252A - Manufacture of cyanine dyes and of sensitised photographic emulsions : en
  • US2083671A - Radiator : en
  • US2083871A - Toilet article and method of making same : en
  • US2083560A - Pump : en
  • US2083991A - Adjustable curtain : en
  • US2084039A - Cooked varnishes : en
  • US2083791A - Shelf construction for wall counters : en
  • US2084111A - Axial flow fan or pump : en
  • US2084175A - Pilot for valve grinding tools : en
  • DK53224C - Method and Apparatus for Spinning Taver. : da en
  • FR814018A - Device for eliminating the effects of electrical disturbances : en fr
  • US2084167A - Destruction of fumes and the like : en
  • US2083539A - Machine and process for making bottle collars and the like : en
  • US2083661A - Spring suspension : en
  • US2084094A - Machine for coating cans : en
  • DE645561C - Receiver with amplification control by changing the grid voltage and means for weakening the high audio frequencies with a higher degree of amplification : de en
  • FR814050A - Improvements made to knitting looms and knitting manufacturing on these looms : en fr
  • GB467198A - Improvements in and relating to mirrors : en
  • USD104932S - Design for a shoe : en
  • DE646604C - Process for melting and casting magnesium and magnesium-rich alloys : de en
  • CA366863A - Joint : en fr
  • US2083685A - Grinding or polishing device : en
  • US2083829A - Doughnut machine : en
  • IE14432L - Opening devices for cardboard boxes : en
  • GB467193A - Improvements in hammers and stamps : en
  • DE646514C - Process for reducing the friction of rubbing parts : de en
  • GB467569A - An improved pressure-tight joint between relatively rotatable co-axial bodies : en
  • DE646593C - Moving grate, in which transverse rows of grate elements that are supported on one another perform back and forth movements in the length of the grate : de en
  • GB467294A - Improvements in or relating to furniture with elastic frames or supports : en
  • CH191276A - Alarm shut-off device on alarm clocks. : de en
  • GB467455A - Improvements in or relating to processes for the treatment of ores or metallurgical products containing precious metals : en
  • GB467500A - Improvements in and relating to the manufacture and production of artificial threads, filaments and the like by the viscose process : en
  • GB467555A - Improved process for producing graphite writing and drawing leads : en
  • GB467269A - Improvements in or relating to drawing boards for the use of draughtsmen, artists or the like : en
  • DE646426C - Scale with projection of tare, gross and net weights : de en
  • US2083918A - Hoe construction : en
  • USD104976S - Design for a textile fabric : en
  • US2083571A - Method and apparatus for planting and transplanting : en
  • US2084258A - Method of controlling the ignition for internal combustion engines : en
  • GB467376A - Process for the manufacture of unsaturated neutral oxidation products of stigmasterol compounds : en
  • FR814277A - Self-destruct projectile : en fr
  • CH191223A - Process for the production of artificial, ring-shaped sausage casings, so-called wreath casings. : de en
  • DE646494C - Electric flow heater : de en
  • GB467249A - Metal heel for shoes with an exchangeable pad of a different material : en
  • GB467404A - Improvements relating to trestles or supports for staging for workmen, or like scaffolding : en
  • GB467480A - Improvements in or relating to the treatment of textile materials : en
  • US2084006A - Showcase : en
  • US2084025A - Cover for running boards and the like : en
  • DE646596C - Centrifugal casting mold : de en
  • DE646629C - Method for removing beer stone deposits : de en
  • US2083898A - Plate finishing and trimming machine : en
  • US2084272A - Plastic composition and articles and method of making the same : en
  • US2083714A - Extensible pressure bailer : en
  • GB467451A - Improvements in or relating to gate, door or like catches : en
  • US2083741A - Envelope for dishes : en
  • US2083742A - Bumper guard : en
  • GB467441A - Improvements in electrical indicators or measuring instruments : en
  • US2084063A - Metal seal for connecting the ends of a metal band binding a package : en
  • US2083643A - Wheeled earth grader and carrier : en
  • US2083844A - Draft damper : en
  • GB468062A - Improvements in or relating to elevation control mechanism for aircraft : en
  • FR47693E - Welding machine improvements : en fr
  • GB467445A - Improvements in or relating to the finishing of composite materials having a textile base and to apparatus therefor : en
  • GB467205A - Improvements in or relating to seats for vehicles : en
  • US2083696A - Blasting method and apparatus : en
  • GB467440A - Improvements in or relating to a process for the electrolytic production of magnesium : en
  • GB467481A - Processes of removing water from aqueous aliphatic acids : en
  • GB467254A - Improvements in rotating cooling drums : en
  • FR47687E - Improvements to the notches of straight and rotary files : en fr
  • DE646454C - Device for feeding and holding cartridge containers : de en
  • GB467516A - Improvements in loudspeakers or the like : en
  • FR814094A - suspended or aerial lift for skiers, sleds, and their equivalent : en fr
  • FR814196A - Wheeled transporter : en fr
  • FR814291A - Automatic closing device for curtains, blinds, or the like : en fr
  • GB467392A - Projectile percussion fuze : en
  • GB467548A - Improvements in electric plug connectors for electrically heated smoothing iron : en
  • CH191434A - Process for the preparation of an azo dye. : de en
  • CH191462A - Process for the preparation of diphenylacetic acid 1-methyl-3-diethylamino-propanol ester. : de en
  • FR814088A - Use of a metal heating electrode in low voltage electrical welding of small parts with metal addition : en fr
  • GB467415A - Improvements relating to undercarriages for aircraft : en
  • GB467638A - Improvements in or relating to pressing, stamping or marking machines : en
  • USD104945S - Design fob an automobile : en
  • FR814142A - Device intended to reduce light phenomena occurring in pressurized gas interrupters : en fr
  • FR47641E - Bra and its method of making : en fr
  • GB467223A - Improvements in or relating to mechanical stokers : en
  • DE646409C - Process for the preparation of arsenobenzene monosulfoxylates : de en
  • DE646628C - Process for the production of place posts and concrete pillars in the water : de en
  • IE14676L - Manufacture of building slabs : en
  • USD104924S - Design fob a ring : en
  • DE646711C - Pulling device for rotary switch : de en
  • DE646503C - Process for the production of an emulsifier suitable for producing durable water-oil emulsions with any oil content : de en
  • FR47656E - Electric discharge tube : en fr
  • FR47666E - Dyes of the triaryl-methyl series and process for their preparation : en fr
  • GB467251A - New textile materials and processes of producing the same : en
  • US2083849A - Electric selective signal receiving apparatus : en
  • US2084213A - Resinous material and method of producing : en
  • DE646671C - Clock with a rotating advertising panel : de en
  • FR814022A - Timekeeper device : en fr
  • DE646613C - Perforating machine : de en
  • GB467318A - Improvements in or relating to lengthening pieces for boiler tubes : en
  • GB467564A - Method and apparatus for controlling the temperature of exothermic reaction chambers : en
  • US2083870A - Preparation of sodium hydrosulphite : en
  • FR814235A - Hand punch : en fr
  • GB467284A - Short-wave adapter for superheterodyne wireless receivers : en
  • FR814053A - Improvements to cracking processes : en fr
  • GB467439A - An improved box for storing goods such as victuals : en
  • DK53226C - Procedure for the production of molded limestone. : da en
  • DE646570C - Process for the production of extracts from roots containing Rotenone which can be used for the destruction of insects : de en
  • DE646617C - Trailers, in particular single-axle trailers, with folding side panels that serve as workbenches : de en
  • FR814228A - Shock absorber for vehicles : en fr
  • DE646316C - Display device for screw-down valves : de en
  • US2083984A - Tree band material : en
  • US2084125A - Cellulose ethers : en
  • US2084296A - Carbon black sack : en
  • USD104940S - Design fob an air circulator : en
  • DE646468C - Remote control system in which contact arms run simultaneously and quickly over corresponding contacts : de en
  • GR6589B - TOBACCO CLEANER. : el en
  • FR47645E - Variable incidence blade device reversible in flight, for aerial propeller : en fr
  • AU101270B2 - Directional indicator for use on motor vehicles : en
  • USD104919S - Design for a shoe : en
  • US2083797A - Hydraulic machine : en
  • CH191312A - Electric steam generator or steam superheater. : de en
  • DE646721C - Process for dehairing and shearing hides and skins : de en
  • FR814217A - Gyroscopic apparatus : en fr
  • GB467478A - Improvements in and relating to driving units with vertical spindles for rotating bodies such as artificial silk spinning cans and twisting spindles at high speeds : en
  • US2083648A - Preparation of alkali metal hydroxide solutions : en
  • US2084017A - Furnace door frame : en
  • US2084221A - Carbon paper duplicator sheet : en
  • GB467374A - Improvements in or relating to water tube boilers : en
  • US2084035A - Rolling mill drive and control system : en
  • US2084040A - Tool support : en
  • US2084106A - Paper or cardboard carton or container : en
  • US2084266A - Musical instrument : en
  • FR47621E - Combined luminaire with liquid effect : en fr
  • GB467218A - Improvements in or relating to burners for use with liquid, pulverised or colloidal fuel : en
  • DE646679C - Attachment of the axle of an aircraft wheel : de en
  • DE646656C - Device for the automatic determination of the freeness of paper stock : de en
  • FR47639E - Collector short-circuiting and brush lifting device, for repulsion motors : en fr
  • FR47651E - Marine and air thruster : en fr
  • US2083988A - Globe : en
  • USD104968S - Design fob an automobile roof aerial : en
  • US2084154A - Process of making copper powder : en
  • DE646510C - Lens set : de en
  • DK53209C - Frame plate of metal plate. : da en
  • FR47682E - Improvements to valves and separators : en fr
  • GB467527A - Improvements relating to the cooling of dynamo electric machines : en
  • US2084223A - Recovery of light oil from cokeoven gas : en
  • GB467526A - Improvements in or relating to the manufacture of structural objects or articles with the aid of fibrous cement : en
  • GB467350A - Improvements in or relating to forming machines for glass ware : en
  • US2084061A - Keyway forming machine : en
  • US2084093A - Machine for coating cans : en
  • ES4592Y - Device to raise and lower the windows in any kind of vehicle or skylight : en es
  • GB467271A - Improvements relating to multiple-filament electric lamps : en
  • DE646357C - Synchronous switch : de en
  • DE646682C - Drive for vehicles : de en
  • US2083586A - Saw filing gauge : en
  • CH191391A - Gearbox with automatic, stepless gear ratio change between driving and driven shaft. : de en
  • US2083760A - Hair curler : en
  • US2083930A - Machine for smoothing fasteners : en
  • CH191206A - Process for the production of a preparation for removing the gloss from artificial silk. : de en
  • US2083786A - Garden tool : en
  • US2084277A - Apparatus for heating hydrocarbon fluids : en
  • CH191453A - Dry rectifier. : de en
  • US2083808A - Internal combustion engine : en
  • US2084000A - Pen point : en
  • CH191388A - Towing vehicle. : de en
  • US2083824A - Manufacture of hydrocyanic acid : en
  • CA366790A - Boxed carboy : en fr
  • CA366817A - Impression register observing means : en fr
  • US2083562A - Art of making iron castings : en
  • US2083722A - Automatic radio tuning device : en
  • DE646550C - Electrical oil cable system with pressure equalization tanks and a reserve oil tank connected to the oil cable system with the interposition of a pump : de en
  • FR814160A - Device for drying labeled matchboxes and other equivalent objects : en fr
  • GB467206A - Improvements in or relating to electric switches, particularly for electric irons : en
  • US2083649A - Air cleaner : en
  • AU101267B2 - Improved circuit arrangements for telephone or like instruments : en
  • CH191263A - Recoil damper for firearms. : en fr
  • US2084229A - Process for extracting juice from cut sugar beets and other gas containing substances : en
  • DE646567C - Magnesium alloy : de en
  • GB467417A - An improved joint or terminal for electric cables : en
  • US2083584A - Blasting cartridge : en
  • US2083855A - Gate : en
  • CH191362A - Electronic analyzer for television transmitter. : en fr
  • DE646651C - Process for the production of a highly effective extract from senna leaves : de en
  • CH191371A - Signaling device. : en fr
  • AU101261B2 - Improvements in or relating to corrosion resisting alloy steels : en
  • US2084097A - Time-peinting construction : en
  • US2084288A - Liquid dispensing : en
  • CH191358A - Device for operating radio receivers. : de en
  • CH191379A - Vehicle with wooden axles. : de en
  • CH191286A - Device for sharpening safety razor blades. : de en
  • US2083611A - Cooling system : en
  • US2084003A - Telephone system : en
  • AU101237B2 - Improvements in or relating to concentric conductor electric cables : en
  • FR47611E - Insulating material and its manufacturing process : en fr
  • USD104983S - Design fob a dress : en
  • AU242537A - Multiple grid and method of producing thesame : en
  • US2084021A - Cover for running boards and the like : en
  • CA366868A - Pulp stock agitating apparatus : en fr
  • CH191284A - Method and device for the production of wood veneer connected to a base. : de en
  • CA366851A - Photographic developer : en fr
  • CH191349A - Line amplifiers for telephony purposes. : de en
  • AU290636A - Improved independent front wheel springing system : en
  • CH191246A - Process for cleaning domestic and commercial wastewater. : de en
  • DE646385C - Device for spraying small objects : de en
  • GB467202A - Manufacture of rubber articles : en
  • CH191207A - Bobbin support device on yarn winding machines. : de en
  • US2083599A - Swivel joint : en
  • US2083876A - Three-way mixing valve : en
  • US2084188A - Jaw crusher : en
  • CH191236A - Process for the production of dry preparations intended for technical purposes from total glands, in particular from the animal pancreas. : de en
  • CH191377A - Conveyor device for powdery, granular or lumpy bulk goods. : de en
  • CH191399A - Light metal ship. : de en
  • CH191187A - Process for the production of highly porous shaped pieces at least partially made of silicate lime. : de en
  • US2083603A - Collapsible tube expeller : en
  • US2083570A - Keyboard perforator counter for direct measurement in picas : en
  • CH191410A - Process for the preparation of a Py-3-oxytetrahydro-9-oxynaphthoquinoline. : de en
  • CH191239A - Process for the preparation of a new diazonium compound. : de en
  • CA366864A - Gyratory crusher : en fr
  • FR47605E - Improvements to remotely controlled switches : en fr
  • GB467209A - Improvements in or relating to the manufacture of caustic soda : en
  • AU239937A - Improvements in or relating to television and like scanning methods : en
  • CH191356A - Circuit for the transmission of modulated high-frequency oscillations with the help of coupled oscillation circuits. : de en
  • CH191420A - Process for the preparation of 2'-oxyphenyl-2-aminochrysen. : de en
  • CH191465A - Process for the preparation of diphenylacetic acid-2-methylethylaminoethanol ester. : de en
  • US2084070A - Method of coating cans : en
  • CA366824A - Lift : en fr
  • DE646484C - Process for obtaining a hormone of male effectiveness : de en
  • US2083835A - Count registering mechanism : en
  • US2083931A - Curtain rod : en
  • CA366797A - Adjustable seat : en fr
  • DE646414C - Double-rail track secured against warping by underlay rails : de en
  • DE646619C - Cooling ducts of a brake drum for motor vehicle wheels : de en
  • FR814186A - Hard metal alloy obtained by liquation : en fr
  • US2083596A - Cellular heat insulation pipe covering : en
  • US2084278A - Apparatus for and method of deckling paper : en
  • CH191361A - Method and arrangement for modulating television transmitters. : de en
  • CH191450A - Method of manufacturing a cartridge case blank. : en fr
  • AU320036A - Improved construction of sanitary pan : en
  • US2083680A - Internal combustion engine : en
  • US2083751A - Guitar : en
  • US2083765A - Meat branding : en
  • US2083540A - Game : en
  • US2083770A - Steam trap : en
  • US2083859A - Permutation lock : en
  • DE646561C - Process for the production of durable aqueous hormone solutions : de en
  • GB467200A - Improvements in or relating to floor cleaning machines : en
  • GB467248A - Improvements in and relating to electric discharge devices : en
  • GB467363A - An electrical flame producer : en
  • CH191317A - Spring-loaded connector sleeve. : de en
  • DE646259C - Starting procedure for diesel engines : de en
  • FR814220A - Rectangular serving tray, and its assembly process : en fr
  • FR814262A - Advanced indicating device intended to be associated with measuring instruments and automatically calculating the total price of the materials or products measured : en fr
  • CH191382A - Motor vehicle. : de en
  • US2083773A - Abradant supplying device : en
  • US2083555A - Spring filled mattress or cushion : en
  • US2084120A - Headlight structure : en
  • US2083768A - Conditioned air supply system for trains : en
  • US2083728A - Folding tooth brush : en
  • USD104916S - Design fob a clock face : en
  • DE646429C - Device for transferring tickets : de en
  • US2084135A - Amplifier circuits : en
  • DE646436C - Labyrinth seal for the propellant in rotating machines : de en
  • DE646681C - Lighting system for motor vehicles : de en
  • GB467470A - A process for the catalytic dehydrogenation of aliphatic hydrocarbons : en
  • US2084196A - Lighter : en
  • AU101233B2 - Improvements in or relating to means for distortionless volume control of radio receivers : en
  • DE646513C - Animal protection device for mowing machines : de en
  • DE646695C - Repeat device on cash registers and accounting machines : de en
  • DE646520C - Measuring chamber tanker : de en
  • ES4594Y - A universal joint mechanism for razors : en es
  • FR47696E - Dispensing device for knitting machine controls : en fr
  • GB467418A - Improvements in interlocking devices for switches and cross-over switches : en
  • AU384636A - Improvements in electric discharge devices : en
  • GB467391A - Improvements in and relating to means for supplying air to furnaces : en
  • CH191311A - Superheaters on fixed or mobile steam boilers. : de en
  • US2083816A - Electric delayed combination lock : en
  • US2083966A - Pipe section and coupling therefor : en
  • US2084302A - Train describer system : en
  • CH191287A - Process and device for drying fodder plants by artificial heating. : de en
  • US2083841A - Road measuring apparatus : en
  • FR47694E - Passive defense system against air attacks : en fr
  • FR814121A - Elastic suspension system for cycles : en fr
  • DE646438C - Roll press for paper machines : de en
  • GB467660A - Improvements in or relating to mercurial electrical cut-outs : en
  • DE646424C - Process for the production of chlorinated rubber directly from rubber milk : de en
  • CH191333A - Process for the preparation of a sample liquid for the detectability of syphilis. : de en
  • DE646641C - Process for the production of anhydrous or only slightly water-containing calcium nitrate : de en
  • FR814110A - Improvements to devices for filtering air or other gases : en fr
  • FR814153A - Improvements to amplifier assemblies comprising a range regulator of transmitted currents : en fr
  • GB467969A - Improvements in or relating to manual elevation control mechanism for aircraft : en
  • US2084246A - Ship raising device : en
  • USD104964S - Design for a shoe : en
  • US2084132A - Direction signal control : en
  • AU218736A - Improved elements for use invisible index equipment : en
  • AU101244B2 - Means for use inthe teaching or composition of music : en
  • FR814279A - Improvements in the weaving machine trades : en fr
  • GB467279A - Improvements in and relating to baffles for loud speakers : en
  • AU101253B2 - Improvement in discharge tube displays : en
  • GB467487A - Improved lens system : en
  • US2083668A - Lockable cap for vehicle fuel tanks : en
  • GB467326A - Improvements in and relating to flow controlling devices for refrigerating systems : en
  • DE646664C - Protective cover for pipes laid in the ground : de en
  • FR814179A - Capsulism device applicable to pumps, compressors, motors, meters and other devices : en fr
  • FR814201A - Improvements in process and apparatus for intaglio printing or the like : en fr
  • USD104980S - Design for a suit : en
  • US2084191A - Hydraulic brake system coupler : en
  • AU101251B2 - Improvements in and connected withthe draft means of fourwheeled trailers : en
  • AU222936A - An improved screw propeller : en
  • DE646697C - Counter pressure bottle filler with two pressure equalization lines : de en
  • GB467226A - Improvements in or relating to napping machines : en
  • DE646677C - Articulated connection of two components to one another : de en
  • FR47674E - Comforter foot cover : en fr
  • CH191351A - Electrical bridge circuit with balance automatically established by a tube amplifier. : de en
  • US2083869A - Supporter : en
  • CH191429A - Process for the preparation of an azo dye. : de en
  • GB467296A - Improvements in or relating to electric discharge devices : en
  • FR47617E - Improvements to concentric conductors : en fr
  • GB467891A - Chassis for motor driven vehicles : en
  • GR6227B - BOTTLE HAT. : el en
  • DE646542C - Liquid fuel burners : de en
  • DE646691C - Magnetic system, especially for loudspeakers, in which the armature swings between or in front of the poles of a magnet under the influence of the voice coil field in the direction of the lines of force passing between these poles : de en
  • CA366832A - Air horn system : en fr
  • DE646412C - Process for the operation of plants for the separation of gas mixtures : de en
  • US2084004A - Method and apparatus for producing special electric fields : en
  • CA366873A - Display sign : en fr
  • CA366837A - Glazing strip : en fr
  • CH191354A - Circuit arrangement for telephone systems with dialer operation. : de en
  • CH191408A - Process for the preparation of 2,4-dimethyl-5-nitrobenzyl chloride. : de en
  • CH191443A - Process for the production of a new condensation product. : de en
  • GR6588B - Asphyxiation PREVENTION SYSTEM. : el en
  • DE646579C - Process for the production of a nutrient solution suitable for the production of baker's yeast : de en
  • FR814270A - Ball closing device for containers : en fr
  • DE646498C - Process for the preparation of 1-amino- or 1-alkylamino-4-oxyanthraquinones : de en
  • FR814043A - Improvements to telephone connections by loudspeaker stations : en fr
  • FR814051A - Hydraulic braking device, in particular for motor vehicles : en fr
  • GB467396A - Improvements in and relating to golf clubs : en
  • US2083577A - Cutting and marking device for sheet material : en
  • CH191318A - Fastening arrangement on housings of apparatus such as relays, time switches and the like. : de en
  • DE646467C - Device for controlling switches, in particular for temperature regulation : de en
  • DE646553C - Cathode arrangement for an electrical discharge vessel with auto-electronic discharge : de en
  • DE646622C - Process for serving unfermented fruit juices, so-called sweet musts : de en
  • US2083831A - Connecting means : en
  • US2084202A - Electrical indicator : en
  • GB467421A - Improvements in or relating to electrically operated race game apparatus : en
  • US2084283A - Cushioning device : en
  • USD104959S - Design fob a textile fabric or : en
  • DE646540C - Waistband belt : de en
  • GR6587B - POWDER FOR LEBANESE FIRE. : el en
  • FR814296A - Support body for catalysts and method of manufacture : en fr
  • DE646660C - Sheaf tape closure : de en
  • DK53217C - Crushing machine. : da en
  • FR814261A - automatic case for beauty products and others : en fr
  • GB467405A - An improved hatch cover for all classes of ships : en
  • DE646508C - Air filter made of helically wound metal bands : de en
  • DE646590C - Device for setting time switches : de en
  • FR47688E - Automatic block protection by means of axle counters : en fr
  • GB467325A - A method of and apparatus for checking the quantities of material used in a machine : en
  • USD104978S - Design for a dress : en
  • US2083778A - Refractometer : en
  • US2084056A - Nonrefillable charred wood liquor bottle : en
  • US2084101A - Yarn package and method of producing the same : en
  • US2084195A - Surgical instrument : en
  • USD104974S - Design foe : en
  • FR814283A - Quick-acting valve shutters : en fr
  • GB467467A - Improvements in telephone or like systems : en
  • CH191205A - Process for the production of viscose silk with continuously hollow individual threads and viscose silk produced according to this process. : de en
  • CH191322A - High voltage spark gap surge arrester. : en fr
  • DE646652C - Bow form for hats : de en
  • GB467379A - Improvements in or relating to grain binders : en
  • CA366860A - Alarm relay : en fr
  • US2083558A - Moving picture sound head : en
  • US2084193A - Pretzel making machine : en
  • USD104948S - Design for eoofing : en
  • USD104977S - Design fob a dress : en
  • FR47686E - Corrosion resistant alloy : en fr
  • GB467556A - Electron-optical image converter : en
  • IE14807L - Siloing green fodder : en
  • ES143616A1 - Improvements in the wheels loaded with weights for tractors. : en es
  • FR814005A - Fuse improvements for high voltage circuit breakers : en fr
  • ES143598A1 - An elastic coupling. : en es
  • CH191416A - Process for the preparation of 3.4.5.6-tetrabromo-2-amino-1-oxybenzene. : de en
  • FR47635E - Hydraulic brake door closer device : en fr
  • FR814101A - Railway vehicle wheel : en fr
  • FR814137A - Improvements to magnetos : en fr
  • FR814151A - Pipe connection : en fr
  • GB467434A - Improvements in the manufacture of bonded abrasive articles : en
  • FR47695E - Method and apparatus for supplying tobacco to cigarette machines : en fr
  • GB467276A - Improvements in or relating to apparatus for testing the hardness of materials : en
  • GB467502A - Improvements in or relating to apparatus for treatment by means of high frequency electromagnetic waves : en
  • DE646665C - Drilling spindle, especially for coordinate drilling machines : de en
  • GB467219A - Improvements in and relating to travelling bakers ovens : en
  • NL41175C - : en
  • DE646600C - Double-acting vacuum cleaner for manual operation with a protective jacket surrounding the pump cylinder : de en
  • GB467496A - Improvements relating to devices for interrupting electric current : en
  • GB467361A - A process for improving effects mechanically produced on textile materials containing cellulose : en
  • CH191340A - Process for the preparation of 6.7-dimethyl-9- (d-ribityl) -isoalloxazine-5'-phosphoric acid. : de en
  • USRE20413E - High temperature refractory : en
  • US2083720A - Cover breaking mechanism : en
  • CA366770A - Electrical sequence operation system : en fr
  • CH191281A - A process for the manufacture of a tire rim body. : en fr
  • CH191331A - Electric small bulb light bulb with another bulb surrounding the small bulb. : de en
  • CH191448A - Process for the production of partially gummed paper sheets with glued-on second paper sheets, in particular typewriter postcards. : de en
  • US2083777A - Machine for applying pressure to shoe bottoms : en
  • CH191400A - Swing drive for air or water vehicles. : de en
  • CH191466A - Process for the preparation of diphenylacetic acid-2-diallylaminoethanol ester. : de en
  • US2084207A - Joint and method of making the same : en
  • CA366827A - Box making machine : en fr
  • DE646539C - Direction indicators : de en
  • CA366756A - Textile fibre working unit : en fr
  • CA366757A - Metal processing : en fr
  • CH191343A - Process for the preparation of N-methyl-C, C-allylisopropylbarbituric acid. : de en
  • US2083726A - Blind control : en
  • CA366760A - Speed variator : en fr
  • US2083738A - Process for preserving edible material : en
  • US2083891A - Sulphur dyestuffs derived from indophenols : en
  • US2084086A - Battery testing apparatus : en
  • US2084231A - Support and protecting device for fluid dispensing cylinders : en
  • US2084155A - Air conditioning apparatus for passenger cars : en
  • USD104981S - Design for terraritjm or the like : en
  • US2083561A - Internal combustion engine : en
  • CH191260A - Free-standing ski holder. : de en
  • US2083942A - Method and means for lifting vehicles having leaf springs : en
  • CH191432A - Process for the preparation of an azo dye. : de en
  • US2083629A - Beer dispensing apparatus : en
  • US2084019A - Running board : en
  • US2083600A - Magnifying system : en
  • US2083681A - Slatted awning and drain : en
  • CH191224A - Machine for pushing meat into casings. : en fr
  • CH191368A - Automatic device for ringing a bell. : en fr
  • US2084030A - Combined electrically and hydraulically controlled valve : en
  • FR814252A - Tipping box articulation device for cultivation or other dumpers : en fr
  • US2083550A - Manufacture of vulcanized organic isocolloids : en
  • US2083790A - Apron : en
  • FR814139A - Insulator for vacuum vessels : en fr
  • FR47662E - Mercury vapor discharge tube with artificial cooling : en fr
  • US2083639A - Flow regulating device : en
  • DE646415C - Rail pull-out device, designed as an oblique blade joint for tracks with continuously welded rails : de en
  • US2084076A - Circuit closing device : en
  • US2083968A - Nut-cracking machine : en
  • US2084145A - Tube : en
  • FR814184A - Process for hardening artificial horn objects : en fr
  • DE646440C - Viewfinder equipment, especially for cinema recorders : de en
  • DE646556C - Circular knitting machine with a reduction that automatically switches off when the thread breaks : de en
  • ES4598Y - New tennis racket : en es
  • US2083753A - Mounting case for a radio loudspeaker and an electric lamp : en
  • DE646662C - Wide beam sprinkler : de en
  • FR814183A - Using a dry battery to make an electric pocket lighter : en fr
  • US2083989A - Brake : en
  • US2084254A - Lens for headlights : en
  • DE646434C - Clutch friction disc : de en
  • FR47669E - Porous metallic mass, its manufacturing process and its applications : en fr
  • GB467535A - Improvements in electric oscillatory circuits : en
  • US2083758A - Cap-spinning machine : en
  • US2083975A - Material breaking device : en
  • CA366855A - Interchangeable lead pencil : en fr
  • US2084141A - Brick or the like : en
  • DE646475C - Method of making ring brushes : de en
  • ES143565A1 - AUTOMATIC FIREARM WITH REPLACEMENT CANON : en es
  • DE646359C - Method and device for knitting a stocking tip on circular knitting machines : de en
  • CH191177A - Smoker for combating horseflies and mosquitoes. : de en
  • GB467475A - Improvements relating to the production of electrodes for electric accumulators : en
  • FR814191A - Process for removing acid constituents from hydrocarbon distillates : en fr
  • GB467458A - Theatre chair : en
  • ES143628A1 - Centrifugal pump with axially displaceable shaft. : en es
  • GB467337A - Improvements in or relating to means carried by automobile vehicles for illuminating the path or road followed by the same : en
  • GB604267A - Improvements in and relating to mountings for guns and other instruments in aircraft : en
  • DE646260C - Piston ring lock, especially for internal combustion engines : de en
  • FR814216A - Electrical switch, including push button : en fr
  • CH191457A - Process for the preparation of N-methyl-C, C-allylisopropylbarbituric acid. : de en
  • FR47601E - A method of manufacturing excessively light bottom brackets for bicycles, tandems, etc. : en fr
  • FR814140A - Method of fixing the tails, in particular the tails of the rake teeth, in their support : en fr
  • FR814281A - Combined barothermometer for automatic correction : en fr
  • GB467373A - Improvements in and relating to means for the supporting and placing of pottery and other goods during firing processes : en
  • FR47681E - Method of manufacturing an anti-detonating fuel and means for its production : en fr
  • FR814062A - Machine for the manufacture of electric lamps : en fr
  • DE645149C - Heated sludge digester : de en
  • US2083674A - Separator : en
  • US2084157A - Generator : en
  • GB467227A - Improvements in and relating to television : en
  • DE646349C - Overcurrent circuit breaker with trip-free release : de en
  • US2083963A - Automobile hood latch mechanism : en
  • US2084232A - Composite material : en
  • US2084137A - Bodied tung oil and process of : en
  • FR47629E - Improvements to air pressure coffeemakers or the like : en fr
  • GB467357A - Improvements in or relating to aeroplane wings and propellers : en
  • DE646581C - Electric light or starting machine for internal combustion engines : de en
  • FR814237A - Improvement in fast machines, especially shoe sewing machines : en fr
  • GB467196A - Improvements in grinding mills : en
  • FR814120A - Self-rowing vehicle : en fr
  • DK53210C - Optical device Examining objects or places inaccessible to direct consideration. : da en
  • DE646543C - Burners for gaseous or vaporized fuels : de en
  • GB467301A - Improvements in yarn or thread winding frames : en
  • GB467546A - Improvements in and relating to wire and bar drawing dies and holder : en
  • DK53221C - Spring Saddle for Bicycles and Motorcycles. : da en
  • FR814102A - Condensation products and their preparation process : en fr
  • US2084080A - Engine mounting : en
  • DE646277C - Gas generator with downward draft and double air supply : de en
  • DE646461C - Dredge bucket with reversible knife : de en
  • FR47647E - Connection system between the secondary elements and the main part of aircraft wings : en fr
  • FR814077A - Improvements to pressurized fluid brake devices : en fr
  • FR814143A - Spring in iron nickel alloy with hardening addition of glucinium for thermocompensated oscillating systems : en fr
  • US2083935A - Glove : en
  • US2083723A - Knitting machine : en
  • CH191253A - Typewriter with removable carriage frame. : de en
  • DE646427C - Process for making push-pull sound recordings : de en
  • FR814286A - Fumivorous device and its application in boiler hearths : en fr
  • DE646650C - Truss band for light hernias and protection for those prone to breakage : de en
  • FR814079A - Improvements to mechanical combers : en fr
  • US2084081A - Decorative laminated product and process of manufacture : en
  • US2084219A - Power transmission mechanism : en
  • US2083894A - Process for the treatment of sulphur compounds : en
  • DE646646C - Centrifugal switch with several independent flyweights : de en
  • AU107810B2 - Improvements in food grillers and toasters : en
  • USD104946S - Design fob a windmill : en
  • DE646548C - Process for the production of vitamin B preparations : de en
  • DE646632C - Self-supporting telecommunication aerial cable : de en
  • CH191449A - Headlights for automobiles, bicycles, airplanes etc. : de en
  • US2083970A - Pipe joint : en
  • US2084182A - Tuning dial : en
  • GB467508A - Improvements relating to fluid pressure braking apparatus : en
  • GB467670A - Improvements in aircraft : en
  • CA366861A - Ski fastening system : en fr
  • CH191211A - Left-left knitting machine. : de en
  • CH191290A - Vibration damping device. : en fr
  • CH191293A - Two-way stopcock. : en fr
  • CH191380A - Coupling device on trailers, in particular for automobiles. : de en
  • US2083589A - Method of making attaching members : en
  • US2083595A - Massaging device for gums : en
  • US2083895A - Catalytic process for the conversion of sulphur compounds : en
  • US2083904A - Surgical appliance : en
  • US2083537A - Electroacoustical translating device : en
  • US2083995A - Television : en
  • US2084050A - Clock : en
  • DK53223C - Procedure for Impregnation of Abrasive Discs. : da en
  • CA366763A - Metallic magnesium production : en fr
  • US2084020A - Cooked varnishes : en
  • CA366816A - Grain separator : en fr
  • CH191469A - Process for the preparation of a polyammonium compound. : de en
  • CH191220A - Ski boot. : de en
  • US2084112A - Cleaning device : en
  • US2083983A - Dust seal for automotive engines : en
  • CA366758A - Power transmitting machinery : en fr
  • US2083543A - Garment container : en
  • US2083618A - Packaging apparatus : en
  • CA366835A - Parachute release device : en fr
  • AU420436A - Improvements in electrolyte : en
  • CA366803A - Remotely tunable radio receiver : en fr
  • CH191431A - Process for the preparation of an azo dye. : de en
  • US2084022A - Tapping machine : en
  • USD104973S - Design for a textile fabric or : en
  • USD104929S - Design for a heater : en
  • DE646152C - Drive device for independently swinging wheels, especially of motor vehicles : de en
  • FR47697E - Vehicle roof, rigid, retracts behind and under the seats : en fr
  • AU129036A - An improved device for ringbarking or cincturing trees : en
  • CA366862A - Joint : en fr
  • CH191210A - Circular knitting machine. : de en
  • GB467551A - Improvements relating to fireproof casings for steel girders, beams and the like : en
  • US2083541A - Brake : en
  • FR814197A - Pad for ink drying : en fr
  • GB468210A - Improvements in and relating to the manufacture of baker's goods : en
  • US2083641A - Furnace : en
  • DE646315C - Multi-part piston : de en
  • DE646478C - Process for the production of AEthyl chloride : de en
  • GB467466A - Small portable typewriters : en
  • AU107723B2 - Improvements in or relating to television and like scanning methods : en
  • AU232336A - Improvements inthe manufacture of basket shoes andthe like : en
  • US2083821A - Detergent composition : en
  • CH191250A - Method for breaking down raw celluloses and device for carrying out the method. : de en
  • DE646457C - Measuring device for liquids with adjustable piston : de en
  • DE646730C - Bucket for liquid manure : de en
  • DE646262C - Material guide device for automatic, multi-spindle bar lathes : de en
  • DE646307C - Device for controlling the loading process for conveyor baskets : de en
  • US2084048A - Automatic lid nailing machine : en
  • USD104944S - Design for a boll-top playing card : en
  • CH191430A - Process for the preparation of an azo dye. : de en
  • DE646447C - Cushioning of the wheels mounted on swinging semi-axles, especially for motor vehicles : de en
  • DE646710C - Hand lock with changing key shape : de en
  • US2083706A - Blasting apparatus : en
  • US2083847A - Centrifugal force air pump wheel : en
  • US2084299A - Medicament holder for nasal inhalers : en
  • US2083836A - Electrical conductor terminal device : en
  • US2083924A - Illuminated measuring device : en
  • CA366788A - Irradiation apparatus : en fr
  • ES4979U - A dental support (Machine-translation by Google Translate, not legally binding) : en es
  • FR814243A - Automatic pressure and temperature corrector for fluid meters : en fr
  • CH191296A - Gearbox for coupling the two piston rods of a two-cylinder pump with steam drive, a two-cylinder compressor with steam drive or a two-cylinder compressor with internal combustion drive. : de en
  • US2083865A - Method of making filter elements : en
  • CA366776A - Circuit breaker contact : en fr
  • CH191329A - Headlights with main and secondary lamps, in particular for vehicles. : de en
  • FR47698E - Oscillating motion automatic sprinkler : en fr
  • CH191460A - Process for the preparation of a quinoline compound. : de en
  • US2083563A - Orthodontic mold appliance : en
  • CH191393A - Multicellular rubber bandage. : en fr
  • US2083879A - Attachment for threshing machines : en
  • US2083957A - Jar wrench : en
  • US2083868A - Receptacle : en
  • US2084134A - Twine package : en
  • US2084241A - Metallurgical furnace : en
  • DE646572C - Compliant shaft coupling : de en
  • AU101231B2 - Improvements in or relating to electrode systems with unsymmetrical conductivity : en
  • AU514436A - Improvements in or relating to corrosion resisting alloy steels : en
  • CH191402A - Feather cushions, in particular for base mattresses, top mattresses and upholstered furniture seats. : de en
  • US2083625A - Method of depositing foraminate beds around well casings : en
  • US2083694A - Manufacture of artificial materials : en
  • US2083704A - Bulk food dispenser : en
  • US2083725A - Preformed slab building structure : en
  • US2084235A - Metallic rod-packing : en
  • US2083911A - Liner for type slug casting machines : en
  • CA366781A - Electric cable joint : en fr
  • CA366872A - Staple fibre manufacture : en fr
  • US2084122A - Apparatus for controlling airplane elevators : en
  • US2083755A - High frequency amplifier and frequency multiplier : en
  • US2083962A - Process for the manufacture of amino and nitro derivatives : en
  • CA366771A - Electric pulsating apparatus : en fr
  • US2084114A - Closure fastener device : en
  • CH191232A - Process for the preparation of 1-tartaric acid dialdehyde. : de en
  • CH191406A - Process for the production of a new wetting, cleaning, emulsifying and dispersing agent. : de en
  • DE646731C - Scissors with a pulling cut : de en
  • DE646715C - Stand-fed three-phase shunt commutator motor : de en
  • DK53199C - Hyposulfite Production Procedure. : da en
  • DK53201C - Valve control for steam engines. : da en
  • US2084024A - Cover for running boards and the like : en
  • FR47615E - New chemical compounds, their preparation process and their applications in the manufacture of artificial fibers, sheets, films, etc. : en fr
  • FR814056A - Glow wire spark plug : en fr
  • US2083542A - Inking mechanism for rotary printing presses : en
  • US2083795A - Production of hydrogen : en
  • GB467453A - Improvements in sifters : en
  • GB467430A - Improvements in or relating to thermionic amplifiers : en
  • GB467512A - Improvements in and relating to governing mechanism for turbo alternators : en
  • FR47620E - Apparatus intended for cleaning upholstery, carpets or other similar objects : en fr
  • DE646527C - Biological filter for purification plants : de en
  • US2083813A - Air conditioning fan : en
  • US2083979A - Blasting cartridge : en
  • GB467637A - Improvements in coupling means for permeability tuned circuits for wireless reception : en
  • GB467419A - Improvements in and relating to key caps for typewriters and other key-operated machines : en
  • DE646464C - Seamless rail joint connection : de en
  • DK53198C - Buckle. : da en
  • US2083679A - Milk preheater : en
  • CH191302A - Safety device for internal combustion engines. : de en
  • CH191383A - Motor vehicle with removable wheels. : de en
  • ES4472Y - Protective device against the sun, for the eyes. : en es
  • FR814083A - Metal shell pipe : en fr
  • US2083809A - Bowl centrifuge : en
  • US2084206A - System of motor control : en
  • GB467293A - Improvements in or relating to cathode ray tubes : en
  • US2083659A - Shoe and method of making the same : en
  • US2084059A - Toaster : en
  • AU101256B2 - Improvements in oscillating wing aircraft : en
  • CH191299A - Injection internal combustion engine with a special combustion chamber in the piston. : de en
  • US2083788A - Combination funnel and device for opening tops of bottles and jars : en
  • ES4483Y - Improved shutters for water tap. : en es
  • US2083999A - Ophthalmic device : en
  • USD104922S - Design for a vise for piston pins or : en
  • US2083981A - Material breaking apparatus : en
  • FR814126A - Process for obtaining a silicic xerogel with fluorine compounds bound by adsorption : en fr
  • FR814129A - Photoelectric posometer : en fr
  • US2083908A - Method of preparing 9-amino-3, 6-dimethoxy-10-methyl-acridinium chlorides : en
  • US2083583A - Assembling and molding machine : en
  • US2084095A - Fence post : en
  • US2084103A - Double window construction : en
  • US2084161A - Railway car underframe and process of constructing same : en
  • US2084227A - Disintegrating mill : en
  • US2084225A - Furnace wall construction : en
  • GB467398A - Improvements in and relating to forced flow tubulous boilers : en
  • GB467533A - Improvements in railroad crossings : en
  • GB467217A - Improvements relating to fluid pressure braking systems : en
  • ES143602A2 - PROCEDURE FOR THE MANUFACTURE OF DEPILED SKIN WITH THE USE OF MYCOSIS TRIPTASES : en es
  • FR47663E - Automatic cutter for solid, tubular bricks and all extruded products : en fr
  • FR814268A - Shock absorber with force limiter : en fr
  • US2083857A - Elevator : en
  • GB467245A - A device for coating surfaces with glue or other liquids : en
  • US2083967A - Protected driving mechanism : en
  • DE646541C - Liquid fuel stove or stove : de en
  • FR814074A - Improvements to soundproof structures : en fr
  • GB467495A - Improvements in or relating to barrels for electro-depositing, metal cleaning and similar purposes : en
  • DE646162C - Angled rolling mill for expanding hollow bodies : de en
  • DE646642C - Box tipper : de en
  • DE646655C - Method for determining the fat content, especially of milk and milk products : de en
  • AU101238B2 - Improvement in bandpass filters : en
  • FR47652E - Process for manufacturing dyes for vats : en fr
  • FR814113A - Vertical grill for fireplaces : en fr
  • FR814156A - Exhaust system for internal combustion engines : en fr
  • GB467201A - Improvements in or relating to machines for and methods of forming and/or covering boxes : en
  • GB467443A - Improvements relating to electric condensers : en
  • GB467489A - Reinforced concrete ribbed flooring, and process for the production of the same : en
  • US2084083A - Hatching implement : en
  • US2083890A - Diamino compounds and process of making same : en
  • USD104950S - Design fob a textile fabric or : en
  • US2083699A - Blasting cartridge : en
  • US2083660A - Mill entry box : en
  • US2084121A - Prepayment telephone system : en
  • US2084248A - Valve : en
  • CH191367A - Tilting device, in particular for television equipment. : de en
  • US2084267A - Ignition system : en
  • DE646718C - X-ray tubes for operation with direct or alternating current with anode, which has a material opening similar to a funnel : de en
  • FR47689E - Further training in film developing machines and the like : en fr
  • US2083556A - Means for transferring and inserting sheets : en
  • FR814149A - Tapes of glass fibers and other materials, and method and apparatus for the manufacture thereof : en fr
  • FR814172A - Method and device for automatically performing mechanical operations on anti-gas filters and scrubbers : en fr
  • CH191221A - Small mill for alternating current. : de en
  • DE640402C - Multiple tariff meter : de en
  • FR814011A - Improvement in pumps for fuels and other liquids : en fr
  • FR47684E - Manufacturing process of artificial leather : en fr
  • CA366794A - Refractory : en fr
  • CH191436A - Process for the production of an acidic wool dye of the anthraquinone series. : de en
  • GB467427A - Improvements relating to the spinning of viscose : en
  • CH191337A - Arc lamp not hermetically sealed for irradiation. : de en
  • DE646264C - Containers made of stiff paper or similar material : de en
  • DE646435C - Centrifugal lubrication pump : de en
  • CH191459A - Process for the preparation of a carboxamide containing a pyridine nucleus. : de en
  • US2083746A - Vehicle : en
  • US2083883A - Synthetic resinous materials and process of preparing the same : en
  • US2084285A - Apparatus for forming hollow glass articles : en
  • AU101248B2 - Improvements in or relating to rotary fasteners and method of fastening : en
  • US2083949A - Differential gauge : en
  • DE646571C - Internal combustion engine, especially for dusty fuels : de en
  • ES143633A1 - Perfection in metal ribbons for cartridges. : en es
  • FR814238A - Endless sound film unwinder : en fr
  • US2083927A - Fishing reel : en
  • GB467384A - Improvements in or relating to soles and heels for boots or shoes : en
  • FR47667E - Independent cup bra : en fr
  • CH191427A - Process for the preparation of an azo dye. : de en
  • DK53218C - Procedure for the manufacture of a roasted product of stone fruit. : da en
  • NL40816C - : en
  • DE646576C - Braking device for cars, trams, etc. like : de en
  • CH191442A - Process for the production of a new condensation product. : de en
  • GB467514A - Improvements in or relating to a method of making riveted joints : en
  • FR814112A - Winder of chaff and other debris for straw balers, baler-balers and similar machines : en fr
  • GB467507A - Improvements in and relating to cartons : en
  • CH191454A - Automatic ignition device for mercury vapor apparatus operated by means of alternating current. : de en
  • CH191184A - Scaffold girders. : de en
  • AU227836A - Improvements in or relating to telephone or like systems and to hunting switches therefor : en
  • US2083815A - Recording and reproducing sound : en
  • US2084008A - Finger ring : en
  • CA366820A - Comminuted material classifying method : en fr
  • CH191417A - Process for the preparation of 4'-oxyphenyl-2-aminochrysen. : de en
  • US2084016A - Cover for automobile running boards and the like : en
  • US2084211A - Conveying apparatus for continuous strip material : en
  • CH191324A - Circuit arrangement with grid-controlled, gas-filled glow discharge tube. : de en
  • CH191327A - Electrothermal melting furnace. : de en
  • CH191444A - Process for the production of a new condensation product. : de en
  • US2083994A - Accounting machine : en
  • US2083667A - Recovery of a mixed organic acid ester of cellulose from its mixture with nitrocellulose : en
  • CA366759A - Prospecting method : en fr
  • AU101275B2 - Improvement in folding camera : en
  • CH191363A - Pulse generator for televisions. : de en
  • CH191198A - Carrier with a clamping device for gripping a horizontal plate. : de en
  • CH191259A - Safety strap for ski. : en fr
  • DE646554C - Control for radiation-sensitive cells : de en
  • DE646587C - Switching arrangement for transformerless radio power supply units for optional operation with direct or alternating current : de en
  • FR814218A - Start and stop mechanism for die-cutting machines : en fr
  • US2083771A - Propeller unit : en
  • AU101254B2 - Improvements in water closets : en
  • CH191252A - Process for the production of visual writing paper. : de en
  • CA366780A - Flake sodium acetate : en fr
  • CA366858A - Acoustic surfacing for walls, etc. : en fr
  • CA366795A - Rubberlike product : en fr
  • CH191179A - Sealing device on windows or doors. : de en
  • GB467295A - Improvements in vent plugs for electric accumulators : en
  • FR814150A - Machine for making fabric sample sheets : en fr
  • GB467278A - Method of producing stuff toys, e.g., stuff dolls and animals, also the foundation elements employed therefor : en
  • CA366791A - Nail holding building composition : en fr
  • FR814245A - Improvements to vehicles with isothermal walls : en fr
  • US2084033A - Dichlorohydroxydiphenyl : en
  • DE646624C - Control device for ring spinning machines with a V-belt change gear installed between the drive motor and the machine main shaft : de en
  • DE646686C - Spool brake for wing spinning and wing twisting machines : de en
  • GB467413A - Apparatus for automatically controlling the calorific value of gas mixtures : en
  • GB467511A - Improvements in systems for signalling over electric supply networks : en
  • GB467530A - Improvements in scissors, garden shears, and like implements : en
  • AU101236B2 - Improvements in or relating to telephone or like systems and to hunting switches therefor : en
  • FR47618E - Device for obtaining juices by pressure : en fr
  • FR814012A - Method and apparatus for measuring the characteristics of a fermentation : en fr
  • GB467371A - Improvements in and relating to tension ring closures with lever operation : en
  • US2083546A - Oil filter : en
  • GB467266A - Improvements in or connected with wall boxes for electric switches or other apparatus : en
  • GB467531A - Improvements in and relating to the treatment of rubber : en
  • GB467895A - Improvements in or relating to alloy steels : en
  • GB467309A - Improvements in clutch control mechanism for automobiles : en
  • ES4584Y - Auxiliary water closet seat for children. : en es
  • FR47661E - Application of the solenoid to pumps and compressors : en fr
  • DK53206C - Mercury vapor high pressure lamp. : da en
  • ES143580A1 - IMPROVEMENTS IN VACUUM BRAKE EJECTORS : en es
  • US2083874A - Automobile air ventilation : en
  • DE646294C - Arc extinguishing device based on the expansion principle : de en
  • FR47627E - Installation for the reproduction of lenticular grating films : en fr
  • GB467291A - Improvements in visible card-indexes : en
  • GB467403A - Improvements in and relating to photographic projection printing apparatus : en
  • US2084053A - Level : en
  • US2084257A - Track shoe and shunting circuit : en
  • FR47672E - Combustion process and apparatus : en fr
  • GB467567A - Extensible garment hanging fittings for wardrobes and the like : en
  • FR814099A - Cellulose bead and process for obtaining it : en fr
  • DE646265C - Process for the production of paper with raw fiber layers or layers in the paper machine : de en
  • DE646552C - Elongated high pressure metal vapor discharge electric tubes : de en
  • AU101257B2 - Improvements in electrolyte : en
  • FR814132A - Method for determining goal and shooting errors in shooting exercises on mobile goals, in particular airplanes, and device for carrying out the method : en fr
  • US2083763A - Method of and apparatus for shaping metal : en
  • FR47692E - Hydrophobic cellulose fibers and their preparation process : en fr
  • GB467197A - Improvements in portable electric appliances for medical purposes : en
  • IE14983L - Treatment of tobacco. : en
  • GB467303A - A new or improved hawse-piece for a ship, yacht, flying boat, sea plane or other vessel : en
  • CH191229A - Device for mixing liquids. : de en
  • US2083730A - Internal combustion engine : en
  • US2083575A - Method of modifying cellulose pulp for paper making purposes : en
  • DE643171C - Plant support : de en
  • DE646733C - Device for starting diesel engines : de en
  • ES4978U - A textile of glass fibers and organic (Machine-translation by Google Translate, not legally binding) : en es
  • FR814037A - Improvements to television transmitters, or telecine : en fr
  • CH191345A - Permanent ampoule. : de en
  • FR47677E - Hair curling device : en fr
  • GB467560A - Improvements in and relating to brakes for motor vehicles : en
  • GB467416A - Improvements in box ottomans, settees and the like : en
  • GB467553A - An improved method of and means for insulating surfaces against heat or cold : en
  • FR814136A - Improvements in autogenous welding and brazing of metals and alloys using fluxes or volatile strippers : en fr
  • IE14734L - Coating paper webs : en
  • GB467448A - Improvements in pyrophoric lighters : en
  • US2083775A - Metal expanding machine : en
  • US2083593A - Method of making protected piling : en
  • US2084078A - Method of making screws : en
  • AU101241B2 - Improvements in water sprinklers : en
  • US2084251A - Fishing line drier : en
  • US2083934A - Adjustable peep sight for firearms : en
  • US2084189A - Apparatus for dyeing : en
  • GR6590B - HOW TO MAKE A NEW TYPE OF MEN'S, WOMEN'S AND CHILDREN'S SAWS. : el en
  • AU101265B2 - Improvements in or relating to variably selective circuits for carrier wave signaling systems : en
  • FR47604E - Nails for crosswalks and similar applications : en fr
  • FR47700E - Method and device for weaving yarns in plain knitted hosiery articles on straight knitted looms : en fr
  • GB467544A - Apparatus for the sterilization of water and other liquids : en
  • US2083814A - Fisherman's bait replacing and linefreeing device : en
  • US2083959A - Power boat : en
  • US2083946A - Rail bond : en
  • FR47631E - Development of packaging boxes : en fr
  • GB467238A - Improvements connected with sliding sash windows : en
  • DE646523C - Securing window panes against destruction by air pressure in bomb explosions : de en
  • DE646546C - Coke oven, especially for low and medium temperature coking : de en
  • US2084194A - Fruit and vegetable core extractor : en
  • US2083960A - Apparatus and method for simultaneously manufacturing brocades and pattern cards : en
  • US2084104A - Signaling system : en
  • US2084214A - Thermostatically operated switch : en
  • CH191175A - Irrigation device. : de en
  • FR814081A - Device for obtaining sampling cards for wires of any kind : en fr
  • GB467422A - Process for the production of watertight and waterproof papers and pasteboards : en
  • US2083920A - Railway track circuit : en
  • US2084237A - Agitator for stokers : en
  • US2083936A - Sheet detector : en
  • CH191254A - Camera with photoelectric light meter. : de en
  • US2083548A - Material-breaaing apparatus : en
  • DE646493C - Process for the manufacture of oxide cathodes : de en
  • ES143604A1 - VARIABLE SPEED DRIVE BY FRICTION OF ONE OR MORE COUPLINGS OF BICONOUS ROLLERS, WITH AUTOMATIC PRESSURE PROPORTIONAL TO THE RESISTANT COUPLING : en es
  • GB467656A - Improvements in or relating to the manufacture of lactones : en
  • GB467348A - Improvements in or relating to electrical controlling means for lifts : en
  • GB467568A - Improvements in rail vehicles : en
  • US2084289A - Process of making aluminum chloride : en
  • DE646562C - Process and centrifugal casting machine for the production of centrifugal cast bodies : de en
  • DE646636C - Reverse gear, especially for drum washing machines : de en
  • US2084218A - Delay action fuse for projectiles and the like : en
  • US2084220A - Screw driver : en
  • US2084224A - Cable joint : en
  • US2083684A - Rubber coated glove and method of making the same : en
  • US2083587A - Garment supporter : en
  • DE646529C - Process for dyeing vegetable fibers : de en
  • GB467275A - Improvements in or relating to small-ware looms : en
  • FR814040A - Aiming device attachment device for aircraft defense mounts : en fr
  • DE646312C - Starting carburetor with a starting mixture line opening into the engine suction line behind the power throttle : de en
  • US2083774A - Sensitive valve mechanism : en
  • US2083912A - Greeting card : en
  • US2083607A - Air treating apparatus : en
  • US2084015A - Automobile running board cover securing device : en
  • USD104917S - Design foe : en
  • DE646479C - Process for the addition of hydrogen halide to arylaethylenes : de en
  • US2083823A - Apparatus for waving hair : en
  • DE646647C - Ceiling connection box for electrical lighting : de en
  • CA366842A - Steam boiler : en fr
  • CH191468A - Process for the preparation of diphenylacetic acid-2-di-n-butylaminoethanol ester. : de en
  • US2084280A - Turnstile : en
  • DE646311C - Tillage equipment : de en
  • US2083711A - Gas producer : en
  • US2083568A - Fastening inserting machine : en
  • CH191222A - Skinning apparatus. : de en
  • CH191395A - Change gears for bicycles with crank drive. : de en
  • DE646713C - Arrangement for the direct supply of three-phase motors via electrical discharge vessels with discontinuous control of the anode current : de en
  • FR47608E - Grill for bread, meat and other foods : en fr
  • AU101269B2 - Improvements in or relating to electric discharge and like devices comprising a vitreous envelope : en
  • DE646477C - Process for the production of valuable hydrocarbons by pressure hydrogenation : de en
  • NL39956C - : en
  • US2083827A - Can tester : en
  • US2084293A - Apparatus for producing laminate glass : en
  • GB467320A - Improvements in cylinder-heads for internal combustion engines : en
  • US2083782A - Combination lock : en
  • CH191463A - Process for the preparation of diphenylacetic acid m-dimethylaminocyclohexanol ester. : de en
  • FR814063A - Device for automatic electric adjustment of the pitch of an adjustable propeller : en fr
  • FR814219A - Improvements made to superheating control in steam boilers : en fr
  • GB467342A - Improved process and device for the deburring or carbonization of textile materials : en
  • CA366833A - Vehicle signal : en fr
  • CH191266A - Darkening device for window and door openings. : de en
  • US2084252A - Automobile indicator : en
  • CA366807A - Duplicating machine : en fr
  • DE646458C - Device for the production of wall perforations in pipes made of clay or the like : de en
  • GB467387A - Improvements in lock stitch sewing machines : en
  • GR6593B - PROVERSIONS - LIFEGUATS FOR QUICK SWIMMING. : el en
  • US2083647A - Electrical rectifier : en
  • USD104960S - Design fob a textile fabric ob : en
  • US2083620A - Hair clipper : en
  • US2084072A - Clasp brake : en
  • CH191200A - Soap holder with soap bar. : de en
  • CA366769A - Circuit control means : en fr
  • DE646226C - Mold for briquette extrusion : de en
  • US2083640A - Photographic stripping film : en
  • USD104967S - Design for a stove : en
  • CA366850A - Textile roving drawing mechanism : en fr
  • AU101224B2 - An improved device for ringbarking or cincturing trees : en
  • US2083564A - Fuse for bombs : en
  • US2083630A - Sinker : en
  • US2083825A - Sash for dial scales : en
  • US2083701A - Protective system for rectifiers : en
  • US2084041A - Storage roll for films : en
  • USD104935S - Design for an emblem : en
  • GB467459A - Improvements in artificial limbs : en
  • US2083710A - Automatic slack adjuster : en
  • US2084046A - Electrolyte and device employing the same : en
  • US2083905A - Air moistener : en
  • USD104933S - Design for a safety bathtub : en
  • CH191321A - Movable pantograph, especially for electrical resistors. : de en
  • FR47650E - Arrangement for the functional ignition of discharge vessels, filled with vapors or gases, connected in parallel and in opposition : en fr
  • GB467239A - Improvements in or relating to envelopes and the like : en
  • GB467576A - Plastic bodies containing olefine polysulphides : en
  • DE646689C - Device for locking the mechanism of letter files : de en
  • CH191398A - Scissor pantograph with rocker for electric vehicles. : de en
  • AU178536A - Improved circuit arrangements for telephone or like instruments : en
  • US2083632A - Kettle : en
  • US2084073A - Clasp brake : en
  • US2084183A - Thumb-guard : en
  • CA366840A - Stainless rolled product manufacture : en fr
  • CH191255A - Process for the photomechanical production of printing forms for doctor blade gravure printing. : de en
  • CH191273A - Procedure for copying and eavesdropping, respectively. Playback of sound films. : de en
  • AU226636A - Improvements in or relating to aerial arrangements : en
  • CH191344A - Pad. : en fr
  • US2084075A - Basket attachment : en
  • CH191247A - Process for wastewater purification with simultaneous production of a fertilizer. : de en
  • ES143585A3 - Manufacturing process of socks in cotton loom. : en es
  • GB467733A - Improvements in or relating to respiratory appliances : en
  • FR814128A - Shopping bag enhancements : en fr
  • AU101250B2 - Improved independent front wheel springing system : en
  • CH191275A - Device for driving a barrel by a mainspring. : en fr
  • US2083977A - Blasting cartridge : en
  • DE646376C - Disc valve for suddenly emptying fuel containers for aircraft : de en
  • CH191426A - Process for the preparation of an azo dye. : de en
  • US2084005A - Auto irrigation system : en
  • US2083804A - Sensitizing photographic emulsion : en
  • CH191181A - Concertina bars, especially for closing door and window openings. : de en
  • AU101274B2 - Improvements in electric discharge devices : en
  • CH191452A - Safety razor. : en fr
  • CA366806A - Glycol dialkyl ether preparation : en fr
  • US2083637A - Latch for interchangeable lens mounts : en
  • US2083875A - Lubricating device : en
  • USD104966S - Design for an electric chime : en
  • CH191456A - Process for the preparation of a compound of the etio-allo-cholenone series. : de en
  • US2083566A - Machine for making material for containers, container covers, and the like : en
  • CH191405A - Bottle. : de en
  • US2084185A - Well strainer : en
  • CH191413A - Process for the preparation of 3.4.5.6-tetrachloro-2-amino-1-oxybenzene. : de en
  • US2084204A - Refrigerator cabinet : en
  • US2084274A - Electrical tester : en
  • AU101234B2 - Improvements in or relating to electron discharge devices suitable for use as visual indicators of voltage : en
  • CH191298A - Multi-cylinder opposed piston internal combustion engine. : de en
  • CA366804A - Thermionic valve circuit arrangement : en fr
  • DK53214C - Pump for fuel injection and similar purposes. : da en
  • US2084300A - Automatic shearing machine : en
  • CA366834A - Horn system : en fr
  • CA366871A - Metal spraying apparatus : en fr
  • CH191315A - Centrifugal switch, especially for centrifugal starters. : de en
  • CH191338A - Bottle with a narrow opening. : de en
  • USD104937S - Design for an electric chime : en
  • DE646342C - Fish cooler : de en
  • FR814006A - Conical clamping clamp : en fr
  • CH191373A - Handle, especially for suitcases, hat boxes, bags and folders. : de en
  • CH191467A - Process for the preparation of diphenylacetic acid-2-piperidinoethanol ester. : de en
  • DE646725C - Device for the simultaneous recording of several electrocardiograms from different leads : de en
  • FR814134A - Disc spark plug or incandescent capsule for the ignition of internal combustion engines : en fr
  • GB467406A - Improvements in and relating to regulators for fluid pressure systems : en
  • GB467449A - Improvements in or relating to absorption type refrigerating apparatus : en
  • CH191353A - Circuit arrangement for maintaining self-connection connections established by dialing calls. : de en
  • US2083888A - Production of dyestuffs of the triarylmethane series : en
  • US2084166A - Hair waver : en
  • US2084002A - Carburizing furnace : en
  • US2083969A - Means for forming laminated tubes from web material : en
  • US2084031A - Tape-drawing arrangement : en
  • US2084068A - Road finishing machine : en
  • CA366844A - Liquid mixture purifying machine : en fr
  • GB467547A - Improvements in radiogoniometers : en
  • CH191249A - Sewage treatment plant for the mechanical treatment of wastewater. : de en
  • CH191300A - Internal combustion engine with two opposing cylinders or rows of cylinders. : de en
  • GB467490A - Improvements in and relating to cases or containers for cigarettes : en
  • US2084222A - Fuse plug assembly : en
  • GB467314A - Improvements in or relating to hair curlers : en
  • GB467652A - Improvements in or relating to snap-action electric switches : en
  • CH191433A - Process for the preparation of an azo dye. : de en
  • USD104969S - Design for a shoe : en
  • AU101227B2 - Improvements in articles of footwear particularly suitable for wear within rubber boots andthe like : en
  • CH191192A - Process for the production of storable briquets from peat. : de en
  • AU220636A - Improvements in or relating to electron discharge devices suitable for use as visual indicators of voltage : en
  • US2084098A - Printing device : en
  • CH191212A - Process for rendering the hardness components harmless in washing processes. : de en
  • US2083992A - Propeller : en
  • DE629253C - Fixed device for detecting gas escapes from gas lines and containers : de en
  • DE646437C - Centrifugal mill for grinding fibers, especially for paper manufacture : de en
  • DE646559C - Puncture needle : de en
  • CA366843A - Slag processing : en fr
  • US2083864A - Conveyer cleaner : en
  • US2083996A - Centrifugal fan : en
  • DE646592C - Discharge tubes with glow cathode and metal vapor filling : de en
  • FR814170A - Method for operating heavy oil engines : en fr
  • FR814189A - Violin-bass : en fr
  • FR814009A - Bottle with spout : en fr
  • USD104971S - Design for a strip shingle : en
  • US2083688A - Bearing guard and oil retriever : en
  • FR814070A - Automatic casting fishing rod : en fr
  • GB467518A - Ship form : en
  • DE646595C - Process for making a laxative : de en
  • FR814274A - Electric current generator : en fr
  • GB467335A - Improvements in and relating to thermionic valve modulators : en
  • GB467529A - An improved fibrous cellulose container for oils and the like : en
  • GB467498A - Improvements in road surface markings : en
  • ES143594A1 - A new system of continuous spinning, twisting and similar machines. : en es
  • GB467243A - Improvements relating to the production of electrical insulating materials : en
  • CH191352A - Telephone address box. : de en
  • USD104984S - Design for a lady s coat : en
  • AU228036A - Improvements in or relating to concentric conductor electric cables : en
  • DE646267C - Steering device for the trailer forming a wagon train : de en
  • DE646537C - End connection for the neighboring coil springs of upholstery inserts : de en
  • ES143605A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURING METHOD OF COVERS AND FRAMES OF MAN HOLES : en es
  • US2083547A - Process for treatment of oil-wax mixtures : en
  • USD104943S - Design for a spoon or similar article : en
  • CA11511S - Tires : en
  • US2083792A - Timer and signal circuit : en
  • USD104931S - Design for a shoe : en
  • GB467552A - Ball winding machines : en
  • CH191216A - Fabric collar. : de en
  • US2083673A - Headlight indicator and ornament : en
  • CH191421A - Process for the preparation of n-dodecylmethylaminoacetic acid. : de en
  • DE646480C - Process for the preparation of water- and alkali-soluble phosphorous acid esters of higher molecular weight alcohols : de en
  • DE646583C - Automatic firearm : de en
  • DE646430C - Electric totaliser with common counters for cash registers of different betting classes : de en
  • DE646599C - Machine for cutting fruits, especially apples and pears : de en
  • DE646244C - Process for the preparation of compounds of the anthrapyrimidine series : de en
  • US2083592A - Protected pile : en
  • US2084197A - Coin controlled apparatus : en
  • US2083614A - Anchor for ladies' hats : en
  • US2083544A - Car retarder for railroads : en
  • USD104914S - Design foe : en
  • CA366857A - Shoe heel : en fr
  • CH191409A - Process for the preparation of a Py-3-oxytetrahydro-8-oxynaphthoquinoline. : de en
  • GB467383A - Improvements in winding and hauling apparatus : en
  • GB467424A - Improvements in and relating to aeroplanes and particularly to the mounting of tail wheels or tail skids thereon : en
  • DE646584C - Oil firing with a burner device fed by an evaporator connected to it in a thermally conductive manner : de en
  • US2083717A - Frankfurter cooker : en
  • US2084064A - Toilet article : en
  • US2084054A - Gasket : en
  • US2083811A - Upholstery construction : en
  • US2084045A - Lock means for gasoline tank caps : en
  • US2084102A - Loom picker : en
  • DE644689C - Arrangement for switching on an electromagnetically remote-controlled switch : de en
  • US2083863A - Process of treating concrete and the like : en
  • ES4588Y - I play puzzles. : en es
  • US2084203A - Artificial resin : en
  • FR814159A - Preparation of new anthraquinone compounds : en fr
  • US2083776A - Liquid dispensing apparatus : en
  • DE646297C - Circuit arrangement for keeping the speed of a direct current motor or a frequency constant : de en
  • US2084168A - Arc welding apparatus : en
  • US2084200A - Barrel tap : en
  • US2083747A - Signaling system : en
  • FR814123A - Process using the latent heat of evaporated water, in rotary kilns : en fr
  • FR814100A - Self-aspirating mixing nozzle with slot-shaped injector section : en fr
  • FR814210A - Sliding profile iron that can be used, alone or in combination, to form the framework of lightweight double-walled constructions : en fr
  • GR6594B - METHOD OF INCREASING THE VLITICAL PROPERTIES OF PRE-WAR SHOOTING. : el en
  • DE646645C - Rail disconnector : de en
  • USD104925S - Design fob a brooch pin ob similab : en
  • FR47683E - Method and device for signaling exhaustion of gas filters and scrubbers : en fr
  • CH191418A - Process for the preparation of 4'-oxyphenyl-4-aminopyrene. : de en
  • CH191419A - Process for the preparation of 2'-oxyphenyl-3-aminopyrene. : de en
  • US2083669A - Mechanical adjustable whistle : en
  • US2083789A - Fuel control system : en
  • US2083545A - Process of making alkali sub-silicates : en
  • US2083574A - Supporting device : en
  • DK53215C - Rinser for Rinsing Engines. : da en
  • AU447136A - Improvements in or relating to upholstered chairs and settees : en
  • FR814249A - Internal combustion engine : en fr
  • US2084294A - Check valve : en
  • FR814038A - Method and apparatus for manufacturing tubes of glass or the like : en fr
  • US2084007A - Container closure : en
  • US2084107A - Double window construction : en
  • US2084273A - Protective device for collapsible tubes : en
  • US2083703A - Spirally bound sheaf and sheaf device : en
  • US2083757A - Card filing system : en
  • US2083780A - Control system : en
  • FR814133A - Closing device for plate heat exchangers : en fr
  • FR814275A - Improvements to operating devices for moving parts of aircraft : en fr
  • GB467438A - Method for preventing moisture from depositing on cold stored goods : en
  • GB467472A - Improvements in sealing devices for bearings : en
  • ES4980U - A kitchen for firewood or charcoal (Machine-translation by Google Translate, not legally binding) : en es
  • FR814068A - Improvements to accumulator batteries : en fr
  • GB467522A - An obstruction-warning device for the use of vehicle drivers : en
  • US2084282A - Steam generator for cloth pressing and steaming devices : en
  • FR47616E - Umbrella or folding parasol : en fr
  • US2083842A - Coupling device : en
  • GB467479A - Improvements in lifting and loading garbage into vehicles : en
  • GB604347A - Improvements in and relating to the construction and arrangement of cockpits and thelike in aircraft, particularly aeroplanes : en
  • US2083866A - Barrel tapping means : en
  • AU101263B2 - Improved collapsible box for butter andother commodities : en
  • FR814107A - Metal drain for drums : en fr
  • US2084127A - Hair rinse : en
  • US2084208A - Overalls : en
  • GB467225A - A burner for heavy oils : en
  • US2084113A - Process and apparatus for making safety glass : en
  • US2083982A - Weighting textile materials : en
  • GB467432A - Improvements in and relating to electric discharge devices : en
  • GB467671A - Improvements in and relating to hollow metal floors for buildings, bridges and the like : en
  • FR814114A - Device for extinguishing ionic valves by means of grids : en fr
  • USRE20406E - Upholstery construction : en
  • DE646519C - Glass washing device : de en
  • FR814064A - Process for preparing phosphoric acid : en fr
  • US2083692A - Production of ferric chloride : en
  • US2084037A - Electric rare gas filled lamp : en
  • GB467370A - New and improved production of pectin composition : en
  • FR814085A - Electronic sweeper device : en fr
  • FR814242A - Silent suction device for fluids contained in bodies moving relative to the surrounding environment : en fr
  • FR814007A - Gas treatment process : en fr
  • GB467401A - Improvements relating to chairs and the like combined with tables : en
  • US2083826A - Vehicular traffic control signal : en
  • US2084013A - Can opening funnel attachment : en
  • CH191370A - Alarm device with remote controlled sirens. : de en
  • FR814223A - Transmitter station with disc with holes arranged in spirals : en fr
  • FR814294A - Reader or marker for books, catalogs, magazines, etc. : en fr
  • FR814298A - Loose-leaf accounting device : en fr
  • GB467606A - Improvements in packets, cartons and like containers : en
  • US2083735A - Blasting cartridge : en
  • DE646471C - Compressed air gun for atomizing and centrifuging meltable substances : de en
  • AU101260B2 - Cord fabric : en
  • US2084144A - Cloth laying device : en
  • CA366865A - Well packer : en fr
  • CH191208A - Method and device for evenly tensioning and guiding the threads in slip or sash gates. : de en
  • DE646445C - Support roller arrangement for caterpillar vehicles : de en
  • DE646535C - Process for the preparation of metal-containing disazo dyes : de en
  • FR814207A - Ski rack : en fr
  • US2083993A - Propeller blade : en
  • US2084034A - 4-aminodiphenyl compounds : en
  • US2084117A - Rectifier output voltage regulator : en
  • FR814057A - Process for manufacturing liquid, in particular volatile, hydrocarbons from gaseous hydrocarbons : en fr
  • FR814078A - Automatic feeder, in distilled water, accumulators : en fr
  • GB467216A - Improvements relating to fluid pressure braking systems : en
  • DE646577C - Spinning machine drafting system with freely movable sliver compressors : de en
  • FR814193A - Light board for connection diagram : en fr
  • FR814117A - Improvements to reciprocating motors : en fr
  • USRE20409E - Centrifugal fluid moving apparatus : en
  • USD104939S - Design for a container for mechani : en
  • GB467635A - Improvements in or relating to apparatus for extracting soluble principles from, or washing or dyeing stuff : en