• US2375024A - Isomerization of poly-olefinic hydrocarbons : en
  • US2375052A - Milling and grinding machine : en
  • US2374794A - Method and apparatus for electrically forming pipe : en
  • US2374807A - Arylamino compounds : en
  • US2374991A - Device for aiding night vision : en
  • CH237473A - Device for alternating operation of vehicle engines with a higher compression than for gasoline with generator gas and gasified liquid fuel, to which exhaust gas is admixed. : de en
  • US2374815A - Spring coupling : en
  • USRE22640E - Clock : en
  • CA427171A - Glassware manufacture : en fr
  • USD141049S - Design for a molding for store fronts : en
  • FR52593E - Process for improving the properties, in particular the solubility of linear mixed polyamides : en fr
  • US2374871A - Apparatus for applying and removing valve fittings in gas cylinders : en
  • CA427137A - Manifold ensemble : en fr
  • US2375054A - Manufacture of trisodium phosphate : en
  • CA427211A - Hydraulic control system : en fr
  • CH237553A - Process for the preparation of a new benzimidazole derivative. : de en
  • CH237559A - Process for the production of a hardenable condensation product for electrical engineering. : de en
  • CH237445A - Drilling machine. : de en
  • GB569025A - Improvements in or relating to instruments adapted for remote indication, control and such like by electrical means : en
  • US2374693A - Combustion apparatus : en
  • US2374852A - Attachment for sheet metal forming and working machines : en
  • US2375107A - Method and apparatus for the continuous production of metal : en
  • US2374724A - Shaving mechanism : en
  • CH237536A - Chassis with pendulum axles and supporting body that rises to the front. : de en
  • ES8048Y - Electric board for the practice of strategy games, naval and air battles and other similar entertainment. : en es
  • FR898750A - Fuel system for internal combustion engines : en fr
  • USD141044S - Back for a wallet or similar article : en
  • USD141048S - Design fob a molding for store fronts : en
  • AU119850B2 - Separation of liquids from gases : en
  • AU998243A - Electrometric determination of free acidity or free alkalinity of salt compositions : en
  • US2374825A - Electrode holder : en
  • ES11374U - An alcohol ceiling lamp (Machine-translation by Google Translate, not legally binding) : en es
  • FR52628E - Multicylindrical group composed of two internal combustion engines placed in the axis of one another : en fr
  • ES11365U - Automatic closure for pocket wallets, diaries and other small bindings. (Machine-translation by Google Translate, not legally binding) : en es
  • CA427151A - Crankcase oil separator : en fr
  • ES169444A1 - A PROCESS OF MANUFACTURING A SOAP WITH DYEING PROPERTIES : en es
  • ES11359U - Special ring to remove corpses from public roads. (Machine-translation by Google Translate, not legally binding) : en es
  • US2375176A - Louver : en
  • US2374933A - Method of forming chemical mixtures : en
  • GB569110A - Production of esters of carboxylic acids : en
  • US2374733A - Connection for lined tanks : en
  • ES169384A2 - IMPROVEMENTS IN A PROCEDURE TO REGENERATE WASTE OF VULCANIZED ELASTIC RUBBER : en es
  • ES11341U - Mixed metal and glass furniture with special characteristics (Machine-translation by Google Translate, not legally binding) : en es
  • ES168592A1 - IMPROVEMENTS IN THE CONSTRUCTION OF PROPAGANDA AND FUNDS PROJECT APPLIANCES : en es
  • CH237444A - Device on machine tools having horizontal tool rolls for feeding and removing the workpieces to bezw. from the job. : de en
  • US2374997A - Ice making apparatus : en
  • US2374791A - Organic amine derivatives and method of obtaining same : en
  • US2374686A - Sprinkler releasing means : en
  • US2374812A - Method of producing modified urea aldehyde resin : en
  • US2374952A - Loom : en
  • US2374979A - Welding electrode holder : en
  • CA427152A - Aluminum surface processing : en fr
  • US2375071A - Supercharger for four-cycle gas fueled engines : en
  • GB568985A - A method of and apparatus for internally covering parallel rolled pasteboard cylinders or tubes : en
  • US2375005A - Preparation of alpha-beta unsaturated nitriles : en
  • CA427150A - Planographic printing plate : en fr
  • CH237537A - Vehicle. : de en
  • USD141051S - Design for a facing for awning boxes, bulkheads, or similar arti- cles : en
  • GB569013A - Improvements relating to ventilators and to the control of flow of fluids : en
  • US2374890A - Gear cutter : en
  • US2374745A - High-pressure steam preheater roll : en
  • US2375154A - Electric furnace : en
  • CA427256A - Slack adjuster : en fr
  • US2374844A - Regulating device for controlling the supply of fuel to internalcombustion engines : en
  • US2375010A - Audiphone receiver : en
  • ES8037Y - Campaign cruet. : en es
  • FR52645E - Hydraulic current mechanism, in particular for motor vehicle gearboxes : en fr
  • ES11403U - Cardboard box with closure or guarantee seal (Machine-translation by Google Translate, not legally binding) : en es
  • US2374906A - Golf target : en
  • CA427205A - Magazine work holding fixture : en fr
  • US2374783A - Can opener : en
  • US2375000A - Manufacture of sodium sulphate and chlorine : en
  • US2374978A - Bomb release system : en
  • US2375047A - Heating apparatus : en
  • FR898733A - Improvements in trash cans : en fr
  • GB569073A - Improvements in or relating to the manufacture of shaped articles from synthetic linear polyamides : en
  • CA427129A - Flame colouring material : en fr
  • FR52624E - Process for the preparation of flexible and endless hollow bodies, such as, for example, pipes : en fr
  • US2374717A - Supply holder : en
  • US2374873A - Radio control system and multiple circuit switch : en
  • US2374961A - Core barrel : en
  • US2375109A - Telephone call transmitter : en
  • US2374703A - Electric switchgear : en
  • US2374755A - Filter and strainer medium : en
  • AU1155643A - Improvements in potato digging or harvesting machines : en
  • CA427197A - Aircraft bank control apparatus : en fr
  • US2375085A - Booster pump seal construction : en
  • ES11382U - Penholder handle with cap. (Machine-translation by Google Translate, not legally binding) : en es
  • USD141033S - Design for a game board : en
  • US2374788A - Mechanical calculator of geographical position from celestial observations : en
  • FR52557E - Device for controlling current rectifiers with mechanical current interruption : en fr
  • ES11322U - Terminal for accumulator battery. (Machine-translation by Google Translate, not legally binding) : en es
  • DK63454C - Securing mechanism for firearms. : da en
  • US2375098A - Rotary friction assembly : en
  • ES11055U - Take to the air. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169278A3 - IMPROVEMENTS IN THE MANUFACTURE OF MEMBRANES FOR GASOLINE PUMPS AND SIMILAR USES : en es
  • US2374780A - Production of artificial textile materials, films, and other shaped articles having a basis of a polymerized vinyl ester : en
  • ES166421A1 - A DEVICE FOR MECHANIZING HELICAL SURFACES : en es
  • GB568983A - Improvements in or relating to fluid feeding apparatus for conducting a fluid onto arotatable body : en
  • GB568977A - Improvements in or relating to polyamide compositions : en
  • GB569007A - Improvements in or relating to guards for presses and the like machines : en
  • US2375089A - Rubber fabric material : en
  • US2374817A - Pulse generator, particularly for electric phase metering : en
  • US2375090A - Washbasin and urinal : en
  • GR10352B - METHOD OF PRODUCTION OF HOUSEHOLD SALT AND BEER. : el en
  • ES11371U - Skirt with a plurality of elastic range straps at the waist. (Machine-translation by Google Translate, not legally binding) : en es
  • FR52618E - Postal fold : en fr
  • ES7955Y - Arrangement of false cuffs with indicative strip. : en es
  • FR52650E - Three-phase transformer with isolated neutral point : en fr
  • GB569052A - Improvements in gas and liquid contact apparatus : en
  • SU64657A1 - The method of dividing the toothed sectors when milling internal teeth : en ru
  • US2374764A - Hydraulic power unit : en
  • US2374920A - Circular knitting machine : en
  • FR52595E - Improvements to cookware, kettles and the like : en fr
  • GB569061A - Improvements in or relating to shock operated switches : en
  • GB569008A - Improvements in or relating to process for obtaining alumins, sulphuric acid and potassium sulphate : en
  • FR52620E - Device for introducing coins of different values into vending machines : en fr
  • CH237518A - Mouthpiece for telephone microphones. : en fr
  • CH237403A - Process for the production of scatterable nitrophosphates. : de en
  • US2374853A - Brake mechanism : en
  • US2375120A - Porphine pigments : en
  • ES10346Y - Single cards that can be shuffled together for language learning. : en es
  • GB569116A - Improvements in and relating to laminated fibrous sheet materials and laminated fabrics : en
  • US2375142A - Wax production : en
  • FR898667A - Claw for cinematographic devices : en fr
  • CH237554A - Process for the preparation of a new benzimidazole derivative. : de en
  • CA427240A - Pyridinecarboxylic acid manufacture : en fr
  • BE458313A - : en fr
  • CH237541A - Brake device for bicycles. : de en
  • ES168927A1 - A PROCEDURE FOR MAKING ARTICLES OF TISSUE GLASS FABRIC : en es
  • US2374974A - Electric circuit : en
  • FR898671A - Antibody preparation process : en fr
  • US2375020A - Slip clutch : en
  • SU64660A1 - Cartridge for butt thermite welding of wires and similar metal products : en ru
  • US2374738A - Railway truck brake structure : en
  • GB568997A - Improvements relating to friction lighters : en
  • CH237384A - Process for preparing acetonitrile. : en fr
  • CH237478A - Device for stable power transmission between an alternating current machine and a network with constant voltage. : de en
  • AU119852B2 - Improvements in or relating tothe manufacture of calcium carbonate : en
  • AU1077043A - Separation of liquids from gases : en
  • AU119846B2 - Improvements in containers suitable for dropping from aircraft andthe like : en
  • CA427146A - Valve assembly : en fr
  • FR898703A - Cold Cathode Electric Discharge Tube : en fr
  • CA427161A - Quartz testing apparatus : en fr
  • CH237486A - Rectifier system with junction cells. : de en
  • CH237447A - Hand tool for thread recutting. : de en
  • CH237502A - Process for preparing N-phenyl-N-benzyl-N'.N'-dimethyl-ethylenediamine. : en fr
  • CA427204A - Pneumatic finger chuck : en fr
  • CA427158A - Closure cap making machine : en fr
  • CH237462A - Device with detachable screw coupling for stress-free connection of pipes. : de en
  • USD141060S - Design fob a up retaining sun shield : en
  • US2375023A - Separation of isomers of substituted poly-olefinic compounds : en
  • AU129741B2 - Diascopic projection system in conjunction witha printing machine : en
  • GB569097A - Production of 2-chlorobutadiene-1:3 : en
  • AU119863B2 - Exothermic agglomerates and their use in metallurgical processes : en
  • US2374644A - Sprocket wheel : en
  • US2375151A - Convertible chair : en
  • US2374760A - Calculating machine : en
  • US2374785A - Record reproducing system : en
  • FR52629E - Electric boiler for all heaters : en fr
  • US2374856A - Lady's handbag and the like : en
  • CH237512A - Personal care products. : de en
  • ES168684A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 168684 : en es
  • FR898651A - Improvements to electron flow velocity controlled receiver tubes : en fr
  • US2374894A - Method and apparatus for assembling aircraft fuselages : en
  • CA427186A - Hydraulic press : en fr
  • USD141063S - Design fob a ship s lamp : en
  • ES169465A1 - A PROCEDURE FOR THE OBTAINING OF CHLORATED DERIVATIVES OF DIFENIL-TANO-ASYMMETRIC : en es
  • FR52641E - Spinning sector : en fr
  • ES169432A3 - IMPROVEMENTS IN THE CONSTRUCTION OF SPEAKER SPEAKERS : en es
  • DK63452C - Device by air rings to prevent the formation of moisture dents. : da en
  • FR898676A - Process for treating card ribbons and products obtained by this process : en fr
  • ES168874A1 - A NEW MICROPHONE WITH PIEZOELECTRIC CRYSTAL FROM LUXFERITE TO MULTITORSION : en es
  • ES168937A3 - A PROCEDURE FOR PRODUCING COLOR IMAGES : en es
  • ES169316A1 - ELECTRICAL MECHANISM FOR THE IMPULSION OF THE SHUTTLE ON THE TELESCOPES : en es
  • US2375104A - Conveying and handling unit : en
  • US2374923A - Manufacture of unsaturated halogenated compounds : en
  • US2374834A - Propeller construction : en
  • FR898707A - equipment for connecting and disconnecting gas or steam discharge vessels : en fr
  • GB569005A - Improvements in the heat treatment of metals : en
  • DK63450C - Drive mechanism for Motor vehicles with swinging Half-axles. : da en
  • GB569087A - Improvements in motor vehicle lifeguards : en
  • USD141036S - Design fob a toy elephant puzzle : en
  • ES169460A1 - A THERMO-MIXER FOR THE EXTRACTION OF OILS : en es
  • GR10353B - METHOD OF MANUFACTURING SMOKING CARTRIDGES IN THE FIGHT OF RATS. : el en
  • GB569037A - Preparation of organic antimony compounds : en
  • FR898697A - Tunable transit time tube : en fr
  • GB569124A - Tea infuser : en
  • US2375094A - Orthodontic pliers : en
  • ES167317A1 - A PROCEDURE FOR THE TRANSPARENCY OF OPACA PLASTIC SOLIDIFICATION MATERIALS, AS SYNTHETIC AND SIMILAR RESINS APPLICABLE TO THE MANUFACTURE OF COVERS AND CONTAINERS, ESPECIALLY WATCH BOXES : en es
  • GB569004A - Improvements in and relating to electric motor control systems : en
  • FR898678A - Voltage regulator for generators operated at variable speeds, especially in installations mounted on vehicles : en fr
  • US2375119A - Flame hardening apparatus : en
  • CA427153A - Emulsion of polymerizable compositions : en fr
  • ES167289A1 - A PROCEDURE FOR REGULATING THE TONALITY OF A LIGHT SOURCE BY KEEPING THE LUMINOSITY : en es
  • ES169322A1 - SECRET DEPOSIT DEPARTMENT OF BILATERAL OPERATION FOR AUTOMATIC WATER DISCHARGE, APPLICABLE TO TOILETS AND URINARIES : en es
  • ES169366A1 - AN INDUSTRIAL PROCEDURE AND AN APPARATUS TO MARK FRUITS, ESPECIALLY ORANGE : en es
  • GB569107A - Improvements in or relating to roadways, runways or the like and to a method of construction thereof : en
  • US2374981A - Carving method and projector : en
  • US2374831A - Mixer and beater : en
  • US2374660A - Regeneration of spent catalysts : en
  • US2375097A - High potential apparatus rendered safe for handling : en
  • US2374835A - Method for the production of hemibasic calcium hypochlorite : en
  • US2374964A - Telephone system : en
  • ES167913A1 - A PROCEDURE FOR THE MANUFACTURE OF PLATES FOR DESKTOP OBJECTS : en es
  • ES169473A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FIAMBRERAS AND SIMILAR CONTAINERS : en es
  • GB569099A - Improvements in or relating to 2-aliphatic substituted guanamines and methods of preparing the same : en
  • GB569105A - An improved vacuum distillation process and apparatus : en
  • ES7953U - Device for the construction of wooden stairs. (Machine-translation by Google Translate, not legally binding) : en es
  • USD141086S - Powers truck : en
  • ES7957Y - Device of dolls with combined dresses. : en es
  • CH237476A - Standing fire box tube kettle. : de en
  • CH237568A - Process for the preparation of a diphenyl sulfone derivative. : de en
  • ES169408A1 - DISPOSAL OF ADMISSION OF THE CURRENT FOR ELECTRODES OF ELECTRICAL DISCHARGE CONTAINERS, ESPECIALLY OF ELECTRONIC VALVES : en es
  • ES9950Y - Dice game. : en es
  • ES164741A3 - AN ENDLESS SOUND TAPE PLAYBACK PROCEDURE : en es
  • ES11350U - Apparatus throw-lots for game or propaganda. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169418A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BOATS : en es
  • ES169201A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 161493 : en es
  • FR52581E - Improved flax retting process : en fr
  • USD141080S - Design fob wrapping paper : en
  • US2375166A - Seal bearing : en
  • ES163237A1 - IMPROVEMENTS IN SLIDING CLOSURES : en es
  • CA427190A - Surface heating element : en fr
  • US2374793A - Method of fluid-tight packaging : en
  • US2374910A - Indirect photomechanical reproduction : en
  • US2374677A - Glow discharge lamp : en
  • CH237443A - Process for welding light metals and light metal alloys, especially magnesium alloys. : de en
  • ES169299A3 - IMPROVEMENTS INTRODUCED IN THE HYDRAULIC JACKS : en es
  • GB569060A - Improvements in or relating to electrical condensers : en
  • GB569054A - Improvements relating to the preparation of compounds of titanium and zirconium : en
  • US2374829A - Transmission : en
  • CH237479A - Circuit arrangement for achieving a constant operating voltage for consumers which at times emit reverse current. : de en
  • ES168939A3 - A PROCEDURE FOR MAKING PHOTO FILMS IN COLOR : en es
  • ES11364U - Suspension for light vehicles and especially for strollers (Machine-translation by Google Translate, not legally binding) : en es
  • US2375129A - Pot holder : en
  • FR898730A - Clamp shears with wire retainer : en fr
  • US2374970A - Apparatus for supplying water to concrete mixers : en
  • GB569092A - Improvements in and relating to collapsible tubes : en
  • DK63431C - Card index or Register card with Rider. : da en
  • FR52561E - Umbrella, or others, with displacement spring : en fr
  • FR52590E - Welding between glass and metal particularly applicable to electronic lamps : en fr
  • ES169124A1 - PROCEDURE FOR THE MANUFACTURE OF BOVEDILLAS APPLICABLE IN THE CONSTRUCTION OF NERVED SOILS OF ARMED HORMOGRAM : en es
  • FR52554E - Device for controlling current rectifiers with mechanical current interruption : en fr
  • GB569006A - Improvements in and relating to dynamo-electric machines : en
  • US2375058A - Electrical heating element and process for producing the same : en
  • US2374792A - Railway traffic controlling apparatus : en
  • BE458330A - Improvement to the adjustable flashlights that are powered by electric batteries : en nl
  • CA427248A - Sponge rubber : en fr
  • CA427175A - Steam iron : en fr
  • CA427255A - Compound master cylinder : en fr
  • CH237529A - Packaging device for spools of textile threads. : en fr
  • FR898734A - Improvements to the layout of corridor rail cars : en fr
  • CH237382A - Method and device for separating substances in dispersion in liquids. : en fr
  • US2374846A - Time delay mechanism : en
  • ES169404A1 - PAVEMENT CONSTRUCTION PROCEDURE : en es
  • ES168494A2 - MODIFICATIONS IN THE OBJECT OF THE MAIN PATENT NO. 164481 : en es
  • FR52646E - Mechanical-hydraulic power transmission for railcars and similar vehicles : en fr
  • FR898700A - Method of drying a styling and apparatus for its application : en fr
  • US2374958A - Method of boron fluoride recovery : en
  • USD141034S - Design fob a bowl ob similar abticle : en
  • DK63445C - Device for single-acting two-stroke internal combustion engines. : da en
  • CA427159A - Electric relay : en fr
  • AU119859B2 - Improvements in and relating to azimuth mirror stands of nautical andother compasses : en
  • ES167863A1 - A PROCEDURE TO INDICATE THE REDUCED VOLUME IN THE GAS METERS TO THE NORMAL STATE : en es
  • FR898662A - Process for processing coated light metal composite sheets : en fr
  • ES11351U - New hair clipper (Machine-translation by Google Translate, not legally binding) : en es
  • CH237474A - Device to prevent the inadvertent suction of gasoline by a vehicle explosion engine. : en fr
  • ES8068Y - Fitted metal buttons with a wooden back. : en es
  • ES169297A1 - FIVE IMPULSES DISC FOR UNIVERSAL SYSTEM : en es
  • US2374992A - Selector switch : en
  • US2375157A - Heat pump system : en
  • DK63441C - Radiator element for gas heaters. : da en
  • US2374665A - Protective vision device : en
  • USD141056S - Design fob an earring : en
  • BE458320A - Indirect heating cathode : en fr
  • US2374927A - Coin controlled locking device for typewriters : en
  • US2375168A - Treatment of rubber and product thereof : en
  • CA427237A - Gasoline processing : en fr
  • ES169406A1 - ECONOMIC CONNECTION OF THE CURRENT FOR RADIO APPLIANCES : en es
  • FR52610E - Process for improving sheet, cut or stamped objects made from film-forming plastics : en fr
  • FR52578E - Process for the production of superior steels : en fr
  • BE458351R - Procedure for establishing constructions : en fr
  • CH237528A - Switching arrangement for automatically switching a circuit depending on the operating state of at least one device. : de en
  • ES11127U - Drum for multicoat machine with semi-automatic inking apparatus. (Machine-translation by Google Translate, not legally binding) : en es
  • CH237364A - Sewing machine with fabric support arm. : de en
  • CH237349A - Process for the continuous production of acetylene and dry hydrated lime powder from calcium carbide. : de en
  • CA427221A - Parachute : en fr
  • CA427258A - Mould for sponge rubber : en fr
  • US2375108A - Process for conditioning metal ingot molds : en
  • BE458412A - : en fr
  • CH237362A - Control mechanism for loom. : en fr
  • CH237481A - Contact clamp for cables. : de en
  • AU119847B2 - Electrometric determination of free acidity or free alkalinity of salt compositions : en
  • CH237513A - Process for the preparation of dimethylmalonic acid-bis-diethylamide. : de en
  • CH237434A - Waterproof box. : en fr
  • CA427226A - Wave filter : en fr
  • CH237564A - Mirror for incidental illumination of a surface. : en fr
  • CH237348A - Gas generator. : de en
  • CH237572A - Process for the preparation of 2-acetylamino-thiazole-5-sulfonamide. : de en
  • CA427131A - Aircraft landing gear and gun recoil mechanism : en fr
  • CH237370A - Vacuum cleaner with a horizontally mounted motor fan and a filter bag arranged next to it on a parallel axis. : de en
  • FR52582E - Impedance transformation device : en fr
  • US2374869A - Gear shifting mechanism : en
  • CA427225A - Radio resonant line and circuit : en fr
  • CH237558A - Process for the production of a hardenable condensation product for electrical engineering. : de en
  • US2374863A - Vaginal speculum : en
  • CH237522A - Line filter arrangement for telecommunication systems with simultaneous operation of several carrier power systems on one transmission line. : de en
  • US2374892A - Radio antenna controlling system : en
  • US2375063A - Shuttle car : en
  • US2374999A - Pest control : en
  • US2374729A - Frequency discriminator circuits : en
  • US2375105A - Resilient mounting : en
  • US2374830A - Gauge : en
  • US2375144A - Folding mechanism : en
  • ES168464A1 - A PROCEDURE TO CUT AND SEPARATE THE OVERHEAD GLASS WHEN MAKING PRESSED GLASS PIECES : en es
  • GB569059A - Improvements in alloys : en
  • CH237571A - Process for the preparation of 2-amino-4-methyl-thiazole-5-sulfonamide. : de en
  • ES168264A1 - A METHOD OF MANUFACTURING FOOTWEAR SOLE : en es
  • ES169350A1 - IMPROVEMENTS IN THE FRAMES USED TO BUILD BUILDINGS AND OTHER ANALOG WORKS : en es
  • CH237369A - Clothes dryer. : de en
  • AU130670B2 - Graphitic alloy steels and nitrided products made therefrom : en
  • US2375032A - Tensile strength testing apparatus : en
  • CH237570A - Process for the preparation of a diphenyl sulfone derivative. : de en
  • CH237577A - Process for the preparation of 2-amino-thiazole-5-methylsulfonamide. : de en
  • US2375012A - Hoxxnxcn : en
  • US2374896A - Dispensing apparatus : en
  • CH237346A - Process for sintering rock containing carbonate. : de en
  • CH237393A - Process for the production of pyridine with simultaneous formation of allylacetic acid nitrile. : de en
  • ES169110A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FOOTWEAR BY VULCANIZATION : en es
  • CA427216A - Vitamin b6 synthesis : en fr
  • US2375093A - Rolling machine for rubber articles or the like : en
  • FR52635E - Assembly to produce variations, preferably periodic, of the current or the voltage supplied by a relaxation generator : en fr
  • AU119854B2 - Improvements in potato digging or harvesting machines : en
  • CH237422A - Precision measuring device for measuring and checking thicknesses and distances. : de en
  • US2374917A - Method and agent for breaking water in oil emulsions : en
  • ES168753A1 - A PROCEDURE FOR THE INDUSTRIAL PROCUREMENT OF FORMALDEHYDE : en es
  • FR52643E - Internally cooled turbine blade : en fr
  • CA427247A - Rubber article producing apparatus : en fr
  • CH237418A - Ammunition magazine for automatic firearms. : de en
  • ES169379A1 - A PROCEDURE FOR MANUFACTURING DIMONOCLOROFENILMETILCLOROFORMO : en es
  • FR898732A - Connection devices for electric cables, in particular for aluminum cables : en fr
  • ES10538U - A pinch (Machine-translation by Google Translate, not legally binding) : en es
  • ES11400U - Improved infant bathtub. (Machine-translation by Google Translate, not legally binding) : en es
  • CA427243A - Aircraft de-icing means : en fr
  • CH237448A - Tool holder for boring tools with calibrated round shank. : de en
  • GB569001A - Improvements in and relating to prepayment mechanism for meters and the like : en
  • US2374824A - Automatic tuner : en
  • GB569046A - Method and apparatus for improving optical elements : en
  • FR52567E - Improvements in lime treatment : en fr
  • CH237508A - Process for the preparation of a derivative of pyrimidine. : de en
  • CH237566A - Element that can be used as a force transmission or conveying element. : de en
  • DK63433C - Procedure for the Manufacture of Magnesia. : da en
  • US2374840A - Rotary bolt for door latches : en
  • GB569098A - Production of 2-chlorobutadiene-1:3 : en
  • US2374854A - Perimeter : en
  • ES169443A3 - A DEVICE WITH CLASSIFICATION AND CONTROL DEPOSITS FOR FRACTIONARY METAL COINS AND TO REGULATE THEIR OUTPUT BY UNITS : en es
  • FR52625E - Seaweed treatment process : en fr
  • US2374940A - Decorative product and method of producing the same : en
  • ES169412A1 - IMPROVEMENTS IN DEVICES IMPROVING THE ELECTRICAL CONTACT BETWEEN A DRIVER AND AN AGGLOMERATED COAL BLOCK : en es
  • US2374827A - Concrete reinforcing bar : en
  • CH237334A - Hay rake. : de en
  • FR898745A - Economical container : en fr
  • US2375041A - Alkylation of aromatic hydrocarbons : en
  • US2374900A - Bundle tying machine : en
  • US2375132A - Textile printing composition : en
  • FR52598E - Mechanical device for checking surfaces : en fr
  • FR52642E - Stereoscopic drawing and painting process : en fr
  • GB569111A - Improvements in clamps for scaffolding and similar purposes : en
  • GB569039A - Improvements in or relating to gas-liquid or vapour-liquid contacting apparatus, fractionating columns or the like : en
  • CH237499A - Hand lamp. : de en
  • US2374664A - Conveying and processing apparatus : en
  • US2374956A - Mirror-sight aiming device : en
  • US2374649A - Spectacle bow : en
  • FR52562E - Device for measuring a liquid delivered at variable temperatures with automatic correction of volume variations due to temperature differences : en fr
  • GB568989A - Improvements in or relating to welding rods : en
  • US2374655A - Type slug side trimmer : en
  • ES8137Y - Closing for containers : en es
  • CH237442A - Process for the production of sheet metal from iron-aluminum-silicon alloys. : de en
  • USD141071S - Design for an earpiece for hearing aids : en
  • FR898663A - Carbon disulphide manufacturing process : en fr
  • ES11391U - Special route for electric toy trains (Machine-translation by Google Translate, not legally binding) : en es
  • ES168861A1 - A PROCEDURE FOR THE OBTAINING OF AN ARTIFICIAL FUEL FOR THE SUPPLY OF GASOGENS BY AGGLOMERATES OF TURBA : en es
  • ES8177Y - Game device to facilitate the solution of crossword problems. : en es
  • FR898742A - Tool for fitting and removing piston rings : en fr
  • ES169391A1 - A THERMOELECTRIC APPARATUS TO DRY HAIR : en es
  • ES168662A1 - IMPROVEMENTS IN DISC MACHINES FOR CUTTING MARBLE, GRANITE AND OTHER STONES OR ANALOGUE MATERIALS : en es
  • FR52600E - Air vent for fuel supply systems for internal combustion engines : en fr
  • ES11318U - Cable terminal for engine spark plugs. (Machine-translation by Google Translate, not legally binding) : en es
  • US2375036A - Extractive distillation : en
  • ES11396U - Protective reinforcements for windlass and similar propellers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES9180Y - Galena pocket receiver apparatus. : en es
  • FR898668A - fuel saver for vehicles with internal combustion engines : en fr
  • US2374714A - Directional control and reverse valve : en
  • US2374813A - Method of producing modified phenol aldehyde resin : en
  • US2374973A - Nitro-dichloro-xylene compositions : en
  • USD141031S - Design for a wheeled toy : en
  • GB569070A - Improvements in or relating to the production of aggregates for use in concrete formations : en
  • FR52626E - Improvements to the methods of adjusting a direct voltage applied to a user device : en fr
  • ES8017Y - Book made up of text sheets with interposed rigid sheets. : en es
  • ES8081Y - Apparatus for grinding grains. : en es
  • USRE22639E - Wringer : en
  • ES168488A1 - A MECHANICAL PROCEDURE FOR MANUFACTURING WOODEN HELMETS FOR ALL KINDS OF TOY BOATS : en es
  • ES8052Y - Rim for bicycle wheels and similar vehicles with tubular pneumatic tires. : en es
  • CA427167A - Copolymer production : en fr
  • CH237514A - Equipment for stables for the prevention and control of animal diseases. : de en
  • FR52566E - Process for preparing an egg white substitute, as well as foodstuffs obtained with this substitute : en fr
  • US2374744A - Apparatus and process for tapering artificial filaments : en
  • CA427128A - Power winch : en fr
  • CH237526A - Shielding arrangement with detachable joint provided on electrical device. : de en
  • US2374658A - Shelf construction : en
  • ES8053Y - Glove or special mitt for cleaning footwear. : en es
  • US2374688A - Clutch : en
  • US2375136A - Telephone system : en
  • USD141076S - Infant s chair or similar article : en
  • US2374700A - Purification of tall oil : en
  • ES11392U - Bags for sausage packaging. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11393U - Closing device or seal for packaging boxes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569049A - Automatic regulation of alternating current electric supply systems : en
  • GB569120A - Improvements in or relating to the electrical heating and forging of billets : en
  • US2374749A - Ultraventilated oven dripping pan : en
  • GB569085A - Improvements in chlorination of isocytosine : en
  • US2375013A - Window structure : en
  • USD141038S - Design fob a fob pin watch : en
  • CH237456A - Vice insert. : de en
  • GB569040A - Improvements relating to textile fabrics : en
  • CH237493A - Method for attaching cantilever metal plates to a metal support. : de en
  • CH237504A - Process for the preparation of 4-amino-benzenesulfonylaminomethanesulfonic acid. : de en
  • AU130716B2 - Improvements in or relating tothe synthesis of imidazolidone compounds : en
  • CH237406A - Notepad with writing sheets, such as letterheads, forms and the like, and carbon papers connected to them and arranged between them. : de en
  • FR898709A - Improvements to notepads mounted on plinths : en fr
  • GR10355B - FIXED VOLUME BURNER AND CONTINUOUS BURNING FLAME IN THE DIPPORATION OF LIGHTLY PURE OIL FUEL. : el en
  • AU128502B2 - Impedance network for wideband amplifiers : en
  • US2375103A - Protein plastic composition : en
  • CH237420A - Optical test device for the outline shape of workpieces. : de en
  • US2374718A - Appliance for machine tapping or screwing operations : en
  • CH237440A - System for generating hot compressed air. : de en
  • CA427192A - Tank : en fr
  • CH237404A - Process for sizing paper. : de en
  • CH237368A - Device for creating successive print jobs by means of block printing on fabric or other flat material. : de en
  • CA427157A - Rail bond : en fr
  • CH237520A - Hybrid circuit without replica. : de en
  • CH237350A - Acetylene generator. : en fr
  • ES169449A1 - A CASING DEVICE INTENDED TO MANUALLY MANEUVER THE DEVELOPMENT OF GUIDELINES INDICATING THE PARTICULARITIES OF THE ROUTES OR TRAJECTS : en es
  • US2374893A - Carrier for groups of articles : en
  • US2374987A - Electric clock : en
  • US2375083A - Preparation of disulphides : en
  • US2375106A - Ammunition magazine for firearms : en
  • CH237534A - Unit for hydraulic brake pressure transmission to be attached to a mechanical overrun brake. : de en
  • CH237435A - Wristwatch box. : en fr
  • ES167767A1 - A HOME FOR STEAM GENERATORS, OVENS AND OTHER APPLICATIONS : en es
  • ES169390A3 - NEW CONSTRUCTION PROCEDURE FOR METALLIC FABRICS : en es
  • ES11124U - Temperature container, internal variable by chemical reactions. (Machine-translation by Google Translate, not legally binding) : en es
  • US2374942A - Die mount and method of making the same : en
  • US2374828A - Motion-picture projector : en
  • US2375092A - Pivot polisher : en
  • CH237484A - Switching device for electric vehicle. : en fr
  • CA427202A - Self-aligning gear assembly : en fr
  • CH237488A - Toric lens for electric corpuscular rays. : de en
  • CH237338A - Skylight. : de en
  • DK63448C - Method for the manufacture of a solder joint between interlocking metal pipes, in particular bicycle frame tubes, and metal casing for the solder for carrying out the method. : da en
  • USD141070S - Design for an embossed leather : en
  • US2374690A - Valve : en
  • CA427233A - Spraying apparatus : en fr
  • CA427149A - Tire and wheel construction : en fr
  • US2374951A - Loom : en
  • FR898704A - Device for measuring small currents in direct current : en fr
  • ES169466A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 162998 : en es
  • ES169383A1 - A NEW COMBUSTIBLE GAS BURNER DEVICE : en es
  • FR52601E - Periodically operated contactor device : en fr
  • ES169423A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 168355 : en es
  • ES169476A1 - A FOOT ARTICULATION DEVICE FOR PROSTHESIS : en es
  • FR52589E - Sawtooth current generator, in particular for time-proportional deviation of cathode rays in television : en fr
  • US2374975A - Refining tall oil : en
  • ES166375A1 - A PROCEDURE FOR CHROMING DYES CONTAINING CHROME SULPHONIC GROUPS : en es
  • ES8055Y - Pneumatic Belt Covers for Auto Vehicle Wheels : en es
  • GB569011A - A new or improved process for the manufacture of iron powder : en
  • GB569014A - An instrument for indicating the lengths of cable or the like wound on or unwound from a winding drum : en
  • ES169471A1 - A PROCEDURE FOR OBTAINING A BLOOD COAGULANT : en es
  • US2374967A - Refrigerating apparatus : en
  • US2375087A - Swing package and swing seat : en
  • ES169332A2 - IMPROVEMENTS IN THE PURPOSE OF THE MAIN PATENT NuM. 161888 : en es
  • FR898683A - Device for fixing parts of structures or the like to supporting elements, for example machine tables : en fr
  • GB568981A - Improvements in or relating to optical apparatus : en
  • FR898731A - Alarm device for baudot translator or any other device using the five-moment code : en fr
  • CA427250A - Sponge rubber : en fr
  • FR898688A - Control of folding machine levers for flat chain looms, especially for Milanese looms : en fr
  • FR898749A - Improvements to metal extrusion presses : en fr
  • ES11360U - Drawer for loom shuttle. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569063A - Improvements in engine turning gear for starting internal combustion engines : en
  • ES169148A1 - A QUICK DRYER, WITH CENTRAL AXLE IN HEAD, COMBINED FOR MILLING, MORTAJAR, BORING AND BRUSHING : en es
  • GR10357B - METHOD FOR MAKING ABRASIVES. : el en
  • US2374989A - Valve : en
  • CH237461A - Lockable coupling part for pulling organs. : de en
  • ES169445A1 - IMPROVEMENTS IN THE HIT LOCKS : en es
  • US2374698A - Sheet feeding mechanism : en
  • US2375134A - Concentration mirror for airplanes : en
  • GB569086A - Improvements in or relating to containers : en
  • US2374778A - Switch : en
  • US2374646A - Artificial resinous condensation products and their manufacture : en
  • CH237336A - Fishing rod reel. : en fr
  • CA427242A - Bimetallic billet treating method : en fr
  • AU1061443A - Improvements relating to windows inthe envelopes of vacuum tubes housing thermocouples : en
  • CH237380A - Process for the regeneration of used fuller's earth. : de en
  • FR898729A - Treatment of wood and plants with inhibited nitric acid and methodical circulation : en fr
  • ES11287U - Cover-fitting for electric capacitors (Machine-translation by Google Translate, not legally binding) : en es
  • FR898737A - Improvements in methods and devices for measuring the distortion coefficient : en fr
  • FR52619E - New method of assembling duralumin or derived metal tubes and resulting new industrial products : en fr
  • GB569035A - Improvements in the production of toluene from crude benzole : en
  • US2375102A - Floor sanding machine : en
  • FR898684A - Grinding machine to reproduce : en fr
  • CA427219A - Granule coating method : en fr
  • CA427268A - Hydraulic material separating apparatus : en fr
  • CH237511A - Process for preparing N-phenyl-N-benzyl-N'.N'-dimethyl-ethylenediamine. : en fr
  • CH237540A - Protective cover on saddles for bicycles and motorcycles. : de en
  • CH237562A - Process for purifying waste water. : de en
  • FR898680A - Projection apparatus fitted with a device for adjusting the height of the position of its optical axis : en fr
  • FR52597E - Fish liver oil extraction apparatus : en fr
  • FR52648E - Process for obtaining artificial products such as artificial filaments, etc., from solutions of casein and other proteins using acidic spinning baths : en fr
  • FR898679A - New monoazo dyes : en fr
  • GB569026A - Improvements in baling presses : en
  • SU64656A1 - Machine for rounding the edges of the teeth of gear wheels : en ru
  • ES169450A1 - A PROCEDURE FOR THE MANUFACTURE OF HEAVY LEAD PERDIGONES, IN ITS ARSENIC AND ANTIMONIAL ALLOYS AND COATED WITH A NICKEL, COPPER OR BRASS LAYER : en es
  • FR898701A - Glasses with removable lenses : en fr
  • FR52594E - Process for the treatment of protein-based products and improved products obtained by this process : en fr
  • FR52621E - Furnace for the distillation of fuels, with vertical chambers with intermittent operation : en fr
  • GB568998A - A combined container and air operated feeding attachment for pneumatic hammers, riveting machines, riveting tools, or the like : en
  • GB569091A - Improvements in or relating to variable permeability inductance devices : en
  • FR52569E - Device for measuring electrical quantities in alternating currents : en fr
  • US2375140A - Emulsion polymerization of butadiene-1,3 hydrocarbons : en
  • ES167712A1 - A CARBURETTOR APPLIANCE FOR INTERNAL COMBUSTION ENGINES : en es
  • ES169314A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SIMPLE CLEANERS : en es
  • ES11370U - A block of soap provided with its own means for its fragmentation into tablets (Machine-translation by Google Translate, not legally binding) : en es
  • GB569062A - Improvements relating to chucks or the like for machine-tools : en
  • ES168168A1 - IMPROVEMENTS IN CONSTRUCTIONS PERFORMED BY WELDING : en es
  • FR898723A - Process for molding thin concrete parts and apparatus for implementing this process : en fr
  • ES169433A3 - IMPROVEMENTS IN THE CONSTRUCTION PROCEDURE OF ELECTRICAL SWITCHES : en es
  • ES8091Y - Device holder, located under the water and shaped like power lines. : en es
  • FR898659A - New method and device for permanent waving : en fr
  • GB569094A - Improvements in or relating to vapour generators particularly steam generators : en
  • FR52568E - Bicycle with auxiliary motor mounted in the rear wheel : en fr
  • AU1121243A - Improvements in or relating tothe manufacture of calcium carbonate : en
  • CA427191A - Selenium element making method : en fr
  • CH237424A - Method and device for determining the critical degree of twist of webs. : de en
  • FR898708A - Product intended to improve the combustion of solid fuels : en fr
  • AU1949245A - Improvements in or relating tothe synthesis of imidazolidone compounds : en
  • CA427180A - Clutch mechanism : en fr
  • US2375164A - Recovery of betaine and betaine salts from sugar beet wastes : en
  • ES166941A1 - A PROCEDURE FOR LAKING THE LONGITUDINAL SEWINGS OF CONTAINERS OR BODIES OF PLATE, ESPECIALLY OF BOTTLES OF PRESERVES : en es
  • ES8036Y - Can opener : en es
  • ES169461A1 - A PROCEDURE FOR THE MANUFACTURE OF A COATING THAT GIVES METALIZATION PROPERTIES TO THE OBJECTS OR EXTERIOR SURFACES OF THE WORKS OR BUILDINGS ON WHICH IT APPLIES : en es
  • US2374711A - Chlorination of piperylene : en
  • US2374765A - Hoist type pump : en
  • US2374976A - Clarifying device : en
  • ES169339A1 - PROCEDURE FOR THE OBTAINING OF IMAGES IN COLORS, ACCORDING TO THE CHROMOGENOUS DEVELOPMENT METHOD : en es
  • FR52631E - Improvement in machines to cut, on site, wood cutting waste : en fr
  • CA427263A - Bag manufacture : en fr
  • US2374722A - Gun sight : en
  • US2375080A - Induction system for internal combustion engines : en
  • CH237533A - Collapsible container. : de en
  • CH237575A - Process for the preparation of 2-amino-thiazole-5-sulfonanilide. : de en
  • CA427162A - Heating coil : en fr
  • FR898658A - Contact device actuated by means of a very sensitive actuator, for example an apparatus with a movable frame : en fr
  • US2374998A - Permanent magnet electric motor : en
  • CH237396A - Process for the preparation of a new monoazo dye. : de en
  • US2374743A - Sheet material joint : en
  • US2375075A - Running light for airplanes : en
  • CA427212A - Viscose rayon manufacture : en fr
  • CH237372A - Welding blade. : de en
  • ES11401U - Auxiliary instruments for psychiatric research. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569093A - Improvements in or relating to the manufacture of hollow articles from thermo-plastic material : en
  • SU64676A1 - Method and device for connecting fittings to existing pipelines : en ru
  • CH237454A - Process for increasing the hardness of cast iron containing manganese and nickel with an austenitic matrix. : de en
  • CA427126A - Wrist watch band : en fr
  • CH237492A - Process for the manufacture of rectifier disks. : de en
  • US2374720A - Ball-bearing crankshaft and connecting rod assembly : en
  • US2374762A - Method for detecting faulty electrolytic cell operation : en
  • US2375161A - Garment hanger : en
  • USD141062S - Design for a toy : en
  • US2374669A - Padlock : en
  • USD141081S - Design for wrapping paper : en
  • FR52588E - Improvements to electrochemical or electrolytic capacitors : en fr
  • CH237503A - Process for the preparation of 4-amino-benzene-sulfonylaminomethanesulfonic acid. : de en
  • US2374759A - Plasticized rubber hydrochloride sheet : en
  • CH237429A - Electromechanical needle tone transmitter. : de en
  • FR898674A - Automatic tightening system : en fr
  • FR898717A - Development of disc couplings : en fr
  • US2375051A - Radio receiving system : en
  • US2374841A - Copolymers of acrylic nitriles with lesser amounts of conjugated dienes : en
  • USD141059S - Design for a transparent photograph holder : en
  • USD141054S - Design for a flower holder : en
  • US2374810A - Electron discharge apparatus : en
  • US2374855A - Brake mechanism : en
  • CH237551A - Process for the preparation of a mixture of stereoisomeric di (p-cyclohexanonyl) diethyl ethanes. : de en
  • AU128500B2 - Improvements in or relating tothe production of pest control agents : en
  • US2374737A - Portable riveting press : en
  • US2374742A - Electrically heated drum-type furnace : en
  • CA427206A - Housing securing means : en fr
  • US2374820A - Thrust bearing : en
  • US2374928A - Grinding, cutting, or boring machine : en
  • US2375006A - Supercharged combustion engine arrangement : en
  • USD141079S - Cigarette case or similar article : en
  • ES8041Y - Device for the establishment of rechargeable fuses in electrical power installations. : en es
  • FR52649E - Process for manufacturing hollow bodies, in particular for packaging : en fr
  • FR52565E - Device for controlling current rectifiers with mechanical current interruption : en fr
  • US2375155A - Sewing machine : en
  • ES169340A1 - PROCEDURE FOR OBTAINING HIDDEN THREADS FROM VISCOSA : en es
  • AU874043A - Improvements in or relating to balers and tying mechanism therefor : en
  • CH237560A - Process for the production of a hardenable condensation product for electrical engineering. : de en
  • AU2005545A - Impedance network for wideband amplifiers : en
  • US2374795A - Loom weaver's implement : en
  • US2374804A - Control mechanism for sewing machines : en
  • GB569113A - Improvements in or relating to drying oils : en
  • US2374706A - Heated tool perforating : en
  • FR898740A - Self-propelled lance : en fr
  • GB568991A - An improved method of lubricating refrigerator motor-compressors : en
  • US2374695A - File folder : en
  • ES9010Y - Flat tile and its bond, : en es
  • US2374909A - Brake applying means : en
  • US2375172A - Work support adjusting mechanism for machine tools : en
  • GB569021A - Improvements in electric indicating devices applicable to gate end boxes and the like for use in mines : en
  • ES10839U - Improvement device for soap bars. (Machine-translation by Google Translate, not legally binding) : en es
  • CH237555A - Process for the preparation of a tribromo-2-7-dicarboxy-3-6-dioxyfluorane dye. : de en
  • ES168705A1 - A PROCEDURE FOR THE OBTAINING OF CONDENSATION PRODUCTS BY CHLOREL REACTION WITH ORGANIC COMBINATIONS : en es
  • GB569080A - Manufacture of new dyestuffs and intermediates therefor : en
  • CA427145A - Pressure accumulator : en fr
  • CH237542A - Single rail railway wagon. : en it
  • FR898657A - Device for making permanent waves : en fr
  • ES166246A1 - A PROCEDURE FOR THE EXTRACTION OF ORGANIC SUBSTANCES FROM VEGETABLE AND ANIMAL MATERIALS : en es
  • ES11379U - Tool for the extraction of watch parts. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11361U - Adjustable windows, constituting simultaneously security lock, for dryers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169458A1 - A PROCEDURE FOR THE PREPARATION OF METALLIC POLYOLIZED DYES : en es
  • ES169242A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 168672 : en es
  • ES168974A1 - A LOAD OPENING ELECTRIC CURRENT SWITCH : en es
  • FR52580E - Process for the formation of protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys : en fr
  • GB569031A - Improvements in or relating to electric amplifiers : en
  • ES169351A1 - PROCEDURE FOR OBTAINING A PRODUCT FOR THE TREATMENT OF BACTERIA, SACAROMYCETES AND BLASTOMYCETES TO INCREASE ITS GROWTH : en es
  • ES169411A1 - IMPROVEMENTS IN THE DEVICES OF CURRENT DRIVING TO THE CARBON ELECTRODES INTENDED FOR ELECTRODESIS : en es
  • DK63432C - Electric filter for Motor Vehicles. : da en
  • US2374800A - Display device : en
  • ES8999Y - Improved children's bathtub. : en es
  • CH237341A - Ventilation system for air raid shelters. : de en
  • CH237402A - Process for the polymerization of ethylene. : de en
  • ES168975A1 - NEW PROCEDURE TO BURN PULVERULENT CARBON WITHOUT AGGLOMERATE AND WITHOUT POSSIBLE DROP OF CARBON PLOVO TO ASHTRAY IN HOMES GIFTED OF MOBILE RACKS : en es
  • US2374661A - Manufacture of isoalloxazine derivatives : en
  • ES11174U - Saw guide device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR52612E - Folding hood for automobile : en fr
  • DK63453C - Footwear machine for coating, shaping or similar treatment of the upper. : da en
  • US2374929A - Weed puller : en
  • ES163802A1 - AN ELECTRONIC PUMP SUBMERSIBLE IN THE LIQUID THAT SHOULD RAISE : en es
  • FR898706A - High voltage transformer with high voltage winding embedded in solid insulation and cooled by liquid : en fr
  • CH237432A - Automatic indicator of the tension state of a mainspring. : en fr
  • ES169442A1 - A MACHINE FOR THE MOUNTING OF TIPS AND REARS IN THE MANUFACTURE OF SHOES : en es
  • ES10416Y - Device for the regeneration of celluloid waste. : en es
  • US2374699A - Apparatus for dispersing material in air : en
  • GB569076A - Improvements in abrasive articles : en
  • US2374944A - Crude oil treating apparatus : en
  • FR898744A - Advanced diaphragm for gas regulators and similar applications : en fr
  • GB569018A - Improvements in or relating to paper-pulp and like roller straining machines : en
  • ES11368U - A spatula or scraper with metal plate handle (Machine-translation by Google Translate, not legally binding) : en es
  • CA427156A - Fur carroting method and composition : en fr
  • GB569002A - Improvements in and relating to angle gauges : en
  • ES11349U - Metal staples for joining or connecting belts (Machine-translation by Google Translate, not legally binding) : en es
  • ES169305A1 - A PROCEDURE FOR THE MANUFACTURE OF BENZENE HEXACHLORIDE : en es
  • ES169399A1 - MANUFACTURING PROCEDURE OF A PICKLING SHUTTER FOR CAR TANKS OF BICYCLE AND MOTOR VEHICLES : en es
  • ES169310A1 - PROCEDURE FOR THE OBTAINING OF REAGENT ESTERS OF OXIALKYLAMIDINE : en es
  • US2374845A - Rotary assembly of interfitting counterparts : en
  • US2375016A - Manufacture of nitriles : en
  • US2375111A - Sound reproducer test method and system : en
  • GB568993A - Improvements in machines for printing on cheques, warrants and the like : en
  • GB569069A - Improvements in or relating to the production of aggregates for use in concrete formations : en
  • GB569117A - Improvements in or relating to coking stokers for furnaces : en
  • FR52583E - Process for making a fermented beverage similar to beer : en fr
  • CA427177A - Bearing : en fr
  • CH237353A - Dishwasher. : de en
  • US2375069A - Apparatus for drying air : en
  • US2375135A - Automatic composing typewriter : en
  • CA427209A - Fluid pressure controlling apparatus : en fr
  • CH237344A - Process for the production of a ceramic shaped body. : de en
  • CH237505A - Process for the preparation of a new estrogenic agent. : de en
  • US2375143A - Concrete dam structure : en
  • US2374822A - Means for preventing the aeration of liquid in liquid circulating systems : en
  • US2375039A - Control system : en
  • US2374681A - Phosphatide composition : en
  • US2375025A - Tractor-mounted implement : en
  • US2374747A - Method of making tubular bearings : en
  • US2374819A - Alkylation of hydrocarbons : en
  • US2374885A - Bombing apparatus for aircraft : en
  • US2374645A - Parcel carrier : en
  • CH237340A - Ground leveling machine. : en fr
  • FR898690A - Fastening device for bicycle brake support pivot : en fr
  • CA427254A - Fluid motor and slack adjuster : en fr
  • CH237430A - Relatively low height watch movement. : en fr
  • FR52636E - Vehicle with gasifier installation : en fr
  • CH237450A - Trestle. : de en
  • ES9879Y - Self-cooled drive pulley. : en es
  • US2375037A - Window operator : en
  • GB569000A - Improvements in tubes for heat exchange apparatus : en
  • US2374790A - Sensing means : en
  • US2374872A - Attenuation equalizer : en
  • US2375138A - Alkamine esters of aryloxymethyl benzoic acid : en
  • US2375115A - Collet chuck operating mechanism : en
  • CH237387A - Process for the preparation of ß-haloalkylchlorocarbonic acid esters. : de en
  • US2374801A - Chair : en
  • ES168427A2 - IMPROVEMENTS IN THE PURPOSE OF PATENT NUMBER 168382 : en es
  • ES169409A1 - DISPOSAL OF ADMISSION OF THE CURRENT FOR ELECTRIC DISCHARGE CONTAINERS, ESPECIALLY ELECTRONIC DISCHARGE VALVES, IN EXECUTION OF PRESSED GLASS : en es
  • DK63455C - Method for Removing Silica from Water. : da en
  • US2374754A - Process of producing sterilizing and disinfectant products : en
  • US2374954A - Shoe-heel construction : en
  • CH237363A - Mesh for stencil printing. : de en
  • US2374908A - Selective calling system : en
  • US2374901A - Gear forming machine : en
  • US2374650A - Lubricating and sealing compound : en
  • CA427217A - Vitamin b6 derivative preparing process : en fr
  • CH237498A - Device for feeding the electrodes of electric glass melting furnaces. : de en
  • CH237552A - Process for the production of a new product with capillary-active properties. : de en
  • SU64673A1 - The method of extraction of theobromine from husks and cocoa : en ru
  • ES168848A1 - IMPROVEMENTS INTRODUCED IN THE BELT TRANSMISSION SYSTEMS, OF THE TYPE EMPLOYED FOR DENMARKS OF RAILWAY VEHICLES : en es
  • FR52608E - Manufacture of molded masses : en fr
  • CH237417A - Headlight system for locating and tracking aircraft. : de en
  • FR52605E - Wear compensation device : en fr
  • ES169393A1 - A SPRAYER APPARATUS, ESPECIALLY FOR SPILLING PLANTS : en es
  • ES169446A1 - SOME IMPROVEMENTS IN THE JOINT OF BITS FOR CANILLAS WITH ITS LANCE SUPPORT : en es
  • USD141074S - Design for a doll or similar article : en
  • ES11378U - An apparatus accommodates necks (Machine-translation by Google Translate, not legally binding) : en es
  • US2375125A - Teletypewriter synchronizing arrangement : en
  • CH237352A - Process for the manufacture of electrical heating devices. : de en
  • US2375018A - Spliced bar structure : en
  • USD141084S - Design for a letter opener : en
  • CA427136A - Soap containing razor : en fr
  • CA427196A - Aircraft bank control apparatus : en fr
  • CH237563A - Automatic control device for vehicles. : de en
  • US2374862A - Coating for paper : en
  • US2375181A - Rectifier forming : en
  • US2374888A - Wheeled figure toy : en
  • CH237500A - Massager. : en fr
  • FR52574E - Remote controlled closed circuit breaker : en fr
  • DK63443C - Switching device for gramophones. : da en
  • CA427198A - Aircraft control device : en fr
  • DK63449C - Control switch for electric Motorcycles. : da en
  • US2374781A - Radio frequency oscillator power supply circuit : en
  • CH237452A - Process for producing silver powder and apparatus for carrying out the process. : de en
  • CH237548A - Retractable landing gear on aircraft. : de en
  • US2375031A - Transmission : en
  • US2374705A - Tie lifter : en
  • US2374814A - Method of producing modified phenol aldehyde resin : en
  • USD141078S - Design fob a gun : en
  • CH237490A - Process for the production of corrosion-free electrical contacts. : de en
  • US2375150A - Measuring scale : en
  • US2375131A - Automatic gas cutoff : en
  • ES169304A1 - INSTALLATION FOR THE RESTORATION OF USED BRICKS : en es
  • US2374732A - Method of paving : en
  • CH237507A - Process for the production of caffeine. : de en
  • CH237398A - Process for the production of colored burning candles. : de en
  • US2374837A - Portable park bench : en
  • CA427173A - Steam iron : en fr
  • CH237354A - Furniture. : de en
  • US2374867A - Pump : en
  • US2374899A - Clamp : en
  • CA427257A - Slack adjuster : en fr
  • CA427182A - Plough : en fr
  • CA427269A - Hydraulic material separating apparatus : en fr
  • CH237460A - Coupling with interlocking spur teeth. : de en
  • GB568999A - Tools for installing tubular rivets : en
  • CA427139A - Folding box : en fr
  • USD141077S - Design fob a display box : en
  • ES168193A2 - MODIFICATIONS IN THE OBJECT OF THE MAIN PATENT NO. 159889 : en es
  • ES169285A1 - AN APPARATUS APPLIED TO THE EMBEDDING EDGE OF MASSES OF SHAKES THAT PREVENTS THE MIXTURE OF THE CLASSIFIED MINERALS AND THAT SEPARATELY COLLECT THOSE THOSE : en es
  • CA427232A - Ratchet wrench : en fr
  • US2374750A - Dental matrix retainer : en
  • US2375116A - Riveted construction : en
  • ES168938A3 - A PROCEDURE FOR PRODUCING COLOR IMAGES : en es
  • ES169367A1 - METHOD AND APPARATUS FOR POLISHING FLAT GLASS : en es
  • ES169377A1 - A PROCEDURE FOR THE MANUFACTURE OF VEGETABLE WAX : en es
  • FR898714A - Improvements to sheet materials stiffened by corrugations and in particular corrugated cardboard : en fr
  • US2374881A - Display card and fastener holder : en
  • FR52575E - Process for the production of superior steels : en fr
  • FR898724A - Coupling mode of vacuum tubes : en fr
  • GB569089A - Improvements in and relating to colour-forming developers and processes of colour development : en
  • GB569017A - Improvements in or relating to controllers for travelling bridges : en
  • FR52570E - Projector with suction device and diaphragm against lateral radiation : en fr
  • ES169441A1 - A NEW ROTARY STAMPING MACHINE INTENDED TO ILLUSTRATE AND PLAY INSTANTLY AND SIMULTANEOUSLY CHARACTERS OR DRAWINGS OF ANY SPECIES, ONE, TWO THREE, FOUR, FIVE OR SIX COLORS, ON PAPERS, COTTON FABRICS AND NATURAL OR ARTIFICIAL SILK, STRAIGHT OR OF ANY NATURE , HULES AND WATERPROOF VARIOUS : en es
  • FR52616E - Tubular bodies of flexible metals or flexible non-deformable insulating materials for the construction of cables or electric lines, in particular for concentric high frequency cables : en fr
  • US2375056A - Partitioned bottle carrier : en
  • US2374884A - Signaling system : en
  • US2374864A - Combined ladder and fruit conveyer : en
  • US2374879A - Circular tool : en
  • US2375170A - Tank track and method and apparatus for making same : en
  • GB569041A - Improvements in mortars or bomb projectors : en
  • CA427184A - Paper cup and holder : en fr
  • AU1831644A - Improvements in or relating tothe production of pest control agents : en
  • CA427165A - Starting switch : en fr
  • CH237413A - Ski pole. : de en
  • US2374652A - Control apparatus : en
  • USD141083S - Design for a name plate : en
  • CH237436A - Watch box. : en fr
  • CH237569A - Process for the preparation of a diphenyl sulfone derivative. : de en
  • CA427166A - Starting switch : en fr
  • AU2046445A - Improvements in reed plates and reeds for instruments' ofthe harmonica or accordion type : en
  • CH237433A - Shock-proof bearing for journals of watches or similar fine mechanical devices. : de en
  • DK63436C - Secondary electron multiplier. : da en
  • GB568994A - Arrangement for web renewing in printing presses : en
  • GB569016A - Improvements in electromagnetic devices : en
  • US2374889A - Tower : en
  • CH237365A - Process for the production of aqueous, in particular concentrated, aqueous electrolyte solutions with high wettability. : de en
  • US2374758A - Production of regular goods in flat knitting machines : en
  • GB569104A - A connecting clamp for electric conductors : en
  • GR10354B - METHOD OF PROCESSING AND EXPLOITATION OF COLOPONE OIL. : el en
  • US2374647A - Condensation products of heteromonocyclic urea derivatives : en
  • US2374769A - Head turning machine : en
  • ES9612Y - New stopcock. : en es
  • FR52573E - Mounting device for telegraph transmissions by alternating current with phase inversion : en fr
  • US2375027A - Cosmetic container : en
  • ES169387A1 - PROCEDURE FOR THE MANUFACTURE OF FLEXIBLE TUBULAR CONTAINERS, WHOSE BODY IS OF TRANSPARENT MATERIAL TO THE OBJECT OF WHICH THE CONTENT CAN BE APPRECIATED : en es
  • CH237416A - Device for the storage of air target sights. : de en
  • US2374768A - Picture projector : en
  • US2375127A - Tire : en
  • CH237470A - Motor-compressor unit for gas, especially air. : en it
  • US2375088A - Hairspring container : en
  • US2374860A - Permanent wave accessory : en
  • CH237494A - Arrangement for switching on mechanical power converters. : de en
  • US2374849A - Combined micrometer and crank grinding tool : en
  • CH237379A - Carrying batten for drying tobacco leaves. : en fr
  • US2375099A - Transmission system : en
  • CA427143A - Imitation olive oil : en fr
  • CH237373A - Long trousers. : de en
  • AU119864B2 - Improvements in or relating to balers and tying mechanism therefor : en
  • US2374833A - Propeller construction : en
  • US2374668A - Printing press : en
  • AU127292B2 - Improvements in or relating to laminated articles and method of making same : en
  • ES8080Y - Electric vulcanizer. : en es
  • FR52606E - Improvements to gasifiers : en fr
  • US2374935A - Changeable road map and information device : en
  • US2374955A - Sprayer : en
  • US2374771A - Compressed gas cylinder : en
  • US2374839A - Clutch : en
  • USD141057S - Design for a brooch pin : en
  • ES169430A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NO. 164676 : en es
  • FR52556E - Polishes and polishes in powder : en fr
  • CH237347A - Cylinder lock. : de en
  • US2374704A - Facsimile switching system : en
  • US2375178A - Variable electrical resistor : en
  • US2374870A - Vacuum distillation apparatus : en
  • ES169405A1 - PROCEDURE FOR THE OBTAINING OF ALCOHOLS, ALDEHYDS AND KETONES OF HIGH MOLECULAR WEIGHT, STARTING FROM WATER GAS OR FROM OTHER RUBBER GAS MIXTURES IN CARBON OXIDE : en es
  • US2374941A - Control device for the filling of turbotransmission circuits : en
  • US2374651A - Internal shoe drum brake : en
  • US2374877A - Process of producing a mixed crystal crop comprising mainly sodium bicarbonate and potassium pentaborate octohydrate : en
  • US2374960A - Packing gland for stirrer shafts : en
  • DK63439C - Bookcase with adjustable table top. : da en
  • US2374936A - Method of preparing fur for felting : en
  • US2374809A - Cycle saddle post : en
  • US2375033A - Hardness testing apparatus : en
  • US2374775A - Screen : en
  • AU1143443A - Improvements in pipe joints andthe like : en
  • ES169434A1 - A PRETENSE ARMOR FOR PRE-PROMISED CONSTRUCTIONS : en es
  • ES169451A1 - A CYLINDER AND PISTON FOR INTERNAL COMBUSTION ENGINE : en es
  • CH237361A - Method for spinning viscose in a spinning funnel using nozzles with wide openings. : de en
  • CA427227A - Ultra short wave apparatus : en fr
  • US2374776A - Railway truck structure : en
  • US2375048A - Selective signaling system : en
  • ES169403A1 - IMPROVEMENT IN THE SEPARATION OR CLARIFICATION OF LIQUIDS WITH CENTRIFUGAL APPLIANCES : en es
  • FR898693A - Process for the catalytic transformation of hydrocarbon mixtures : en fr
  • CA427130A - Felting needle : en fr
  • US2374802A - Metal roll forming machine : en
  • US2375043A - Combined merchandise display and advertising device : en
  • US2374707A - Furnace : en
  • US2375004A - Training apparatus : en
  • US2374784A - Device for grinding the pistons and measuring chambers of water meters : en
  • US2374786A - Indicating thermometer : en
  • US2375110A - Brake control valve : en
  • ES8182Y - Machine for shredding meat. : en es
  • GB568988A - Improvements in or relating to portable chain saws : en
  • USD141053S - Design for a can opener : en
  • CA427222A - Parachute : en fr
  • CH237400A - Process for the production of plastics and device for its implementation. : de en
  • CH237544A - Device comprising a movable part which, under the influence of a shock or an overload, is intended to be displaced relative to a fixed part of the device by overcoming the action of an elastic resistance tending to bring this movable part back to its initial rest position. : en fr
  • US2374895A - Fluid control valve : en
  • CH237425A - Tube voltmeter for measuring AC and DC voltage. : de en
  • CA427154A - Paper defibring method : en fr
  • CH237343A - Compound that can be used to produce ceramic insulating layers and insulating bodies for electron tubes. : de en
  • CA427138A - Garage door : en fr
  • CH237468A - Gripper for transporting vertically standing pipes. : de en
  • CH237509A - Process for the preparation of a ring-dialkylated, aromatic acylsulfonamide. : de en
  • GB569095A - Improvements relating to railway traffic controlling apparatus : en
  • US2374708A - Control system for aircraft turbosuperchargers : en
  • US2374887A - Seal construction : en
  • US2375171A - Balancing apparatus : en
  • FR898722A - Dispensing container : en fr
  • CA427124A - Exercising device : en fr
  • GB569101A - Improvements in or relating to n-unsubstituted and n-alkyl substituted guanamines and methods of preparing the same : en
  • CA427229A - .gamma.-ACETO-PROPYL ETHER PRODUCTION : en fr
  • US2374691A - Animal trap : en
  • CH237408A - Cylinder press. : de en
  • ES11352U - Safe packaging, suitable for delicate food products. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169419A1 - A PROCEDURE FOR OBTAINING METAL BODIES CASTED FROM A COAT OR SURFACE SIMILAR TO IVORY : en es
  • ES11369U - A box for packaging and for exhibition of the products contained therein (Machine-translation by Google Translate, not legally binding) : en es
  • CA427144A - Railway car side door lock : en fr
  • CA427183A - Harvester : en fr
  • SU64652A1 - Device for automatic control of aircraft wing panels : en ru
  • AU128572B2 - Improvements in reed plates and reeds for instruments' ofthe harmonica or accordion type : en
  • GB569064A - Improvements in or relating to the manufacture of liquid containers : en
  • CA427241A - Coal cleaner : en fr
  • FR898682A - Adjustable auxiliary table for machine tools : en fr
  • FR52630E - Washing process for dyed textiles : en fr
  • GB569009A - Improvements in and relating to the shape of bodies, fuselages, hulls and the like for air, land and sea : en
  • ES166839A1 - A GASOGEN THAT WORKS WITH DESCENDING GASIFICATION : en es
  • US2375100A - Electromagnetic relay : en
  • ES169306A1 - A PROCEDURE OF FOOTWEAR MANUFACTURE : en es
  • US2375060A - Stabilized lubricants : en
  • FR52571E - Elastic coupling plate for shafts or the like : en fr
  • CA427223A - Inlaid article : en fr
  • CH237535A - Children's sledge. : de en
  • USD141043S - Back for a wallet or similar article : en
  • USD141066S - Motor for operating movable parts of an airplane : en
  • GB568982A - Improvements in or relating to viewing devices : en
  • FR898656A - Improvements to fabrics free from a tendency to curl and chemically stiffened as well as to textile articles made from these fabrics : en fr
  • GB569012A - Improvements in or relating to micrometer gauges : en
  • GB569072A - Improvements in or relating to hollanders for paper pulp and the like : en
  • ES8119Y - Device for packaging boxes : en es
  • ES169321A1 - PROCEDURE OF INDUSTRIAL MANUFACTURING OF ALUMINUM HYDROXIDE IN STATE OF FINE DIVISION : en es
  • CH237527A - Communication system for ultrashort waves. : de en
  • FR898736A - Improvements to manometers : en fr
  • GB569044A - Improvements in control circuits, particularly for automatic frequency control and remote tuning : en
  • ES11289U - Device for the placement of heels to shoes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569109A - Process for the manufacture of a stable preparation of ferrous salt : en
  • FR52553E - Central heating boiler : en fr
  • FR52560E - Process for treating raw textile fibers and apparatus suitable for carrying out this process : en fr
  • FR898727A - High overload fast acting fused circuit breaker and slow acting low overload fuse : en fr
  • CA427141A - Vibratory motion producing apparatus : en fr
  • US2375049A - Slag removal : en
  • ES10247U - Improvement in paving tiles. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11325U - Absorbent cloth for different uses and especially for serving as a sanitary napkin (Machine-translation by Google Translate, not legally binding) : en es
  • ES169365A1 - IMPROVEMENTS IN THE MANUFACTURE OF COMPOTES AND SIMILAR : en es
  • GB569020A - Improvements in means for starting internal combustion engines : en
  • GB569066A - Improvements relating to the pyrolysis of gaseous paraffins : en
  • US2374972A - Refrigerating system for mobile vehicles : en
  • US2374701A - Thermoelectric device : en
  • US2375046A - Motor vehicle : en
  • FR898739A - Improvement in the rear suspension of motor vehicles : en fr
  • FR52609E - Umbrella or others with displacement spring : en fr
  • US2375055A - Bituminous coating compositions and processes : en
  • FR52627E - Trolley for high voltage devices, for example for high power switches low in oil : en fr
  • FR898655A - Process for preparing 2-aminopyrimidine : en fr
  • GB569125A - An improved magazine for dispensing safety razor blades or other fine-edged blades : en
  • US2374709A - Electric lamp : en
  • CH237506A - Process for preparing an aqueous solution of a derivative of para-aminobenzenesulfonylthiourea. : en fr
  • CA427230A - Valve : en fr
  • CH237391A - Process for the preparation of cyclohexanone oxime. : de en
  • GB569030A - Improvements in or relating to the manufacture of composite boards : en
  • CA427187A - Blowpipe apparatus and process : en fr
  • FR898720A - Skates and articulated soles for shoes : en fr
  • US2374672A - Power transmission means : en
  • US2374993A - Outlet collar flange : en
  • US2375113A - Method of applying finishes to the surfaces of wood or other porous materials : en
  • ES167118A1 - A PROCEDURE FOR MANUFACTURING CURTIDO AGENTS : en es
  • US2375133A - Automatic tuning : en
  • AU2046745A - Improvements relating to pumps : en
  • FR52611E - Process for the production of superior steels : en fr
  • CH237394A - Process for the production of a condensation product. : de en
  • CH237496A - Device for practically powerless, amplitude and directional amplification of voltages. : de en
  • US2375084A - Liquid level measuring apparatus : en
  • US2374751A - Grinding, lapping, or polishing machine for diamonds or other crystals and the like : en
  • US2374977A - Floor sweeper : en
  • ES169382A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF RAMPERS OF OBLEA OR COOKIE FOR CONFITERÍA OR PASTRY : en es
  • ES166224A1 - A PROCEDURE FOR THE CONTINUOUS PRODUCTION OF WATER GAS, STARTING FROM COKE POWDER : en es
  • ES8102Y - Removable system crankshaft device. : en es
  • FR898743A - Improvements to terminal lug cables for charging accumulator batteries : en fr
  • DK63444C - Device for two-stroke internal combustion engines. : da en
  • CA427134A - Poultry feeder : en fr
  • CH237390A - Process for the preparation of a predominantly monovinylacetylene-containing mixture of acetylene polymers. : de en
  • ES169452A1 - IMPROVEMENTS IMPROVED IN DENTAL ROOTS WITH DENTAL CROWN TO BE SUBJECTED TO THE SAME : en es
  • GB569051A - Manufacture of derivatives of sulfanilamide : en
  • CH237497A - Device for starting contact converters. : de en
  • USD141069S - Design fob a spoon : en
  • ES163801A1 - A TOY FILM OR PAPER FILM PROJECTOR APPARATUS, SUITABLE FOR LARGE LENGTH ROLLS BASED ON COMBINING THE MALAN CROSS MECHANISM WITH A PRISMATIC DRUM WITH PIVOTS FOR ROLLING THE TAPE : en es
  • US2374947A - High pressure test plug : en
  • US2374752A - Hooking-bob : en
  • DK63435C - Suspension device for electric overhead lines. : da en
  • ES169333A1 - A PROCEDURE INTENDED FOR THE OBTAINING OF FAT, SEMIGRASS OR OTHER SOAPS THROUGH A COLOROUS INORGANIC SUBSTANCE : en es
  • CH237574A - Process for the preparation of 2-acetylamino-thiazole-5-sulfonanilide. : de en
  • US2375096A - Gauge to indicate oil pressure in a crankcase : en
  • US2375153A - Cushion heel : en
  • US2374731A - Sewing machine unit : en
  • US2374994A - Electric protective arrangement : en
  • US2374739A - Railway truck structure : en
  • FR898725A - Method and device for placing lunulae on the base of electric lamps : en fr
  • GB569045A - Improvements in the production of magnesium chloride : en
  • GB568992A - Improvements in or relating to machines for cutting sheet material : en
  • CA427185A - Paper cup : en fr
  • CH237367A - Dry box on an air dry sizing machine. : de en
  • US2374985A - Speed indicator and control : en
  • US2375162A - Thermoplastic composition : en
  • US2374757A - Two-stage water heater : en
  • USD141042S - Back for a wallet or similar article : en
  • ES11184U - Apparatus heats bathrooms. (Machine-translation by Google Translate, not legally binding) : en es
  • FR898721A - Improvements to fire extinguishers : en fr
  • ES168942A1 - A PROCEDURE FOR OBTAINING COPIES OF CINEMATOGRAPHIC FILMS BY INHIBITION : en es
  • FR898695A - Threshing device : en fr
  • ES169410A1 - ADJUSTMENT DEVICE WITH DISCANSILLES : en es
  • ES168875A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 168875 : en es
  • FR898702A - Support device for piezoelectric vibrating crystals : en fr
  • ES165527A1 - A PROCEDURE TO PRODUCE A MIXED ENGINE FUEL AND A STABILIZER FOR THE SAME : en es
  • FR52555E - Umbrella, or others, with displacement spring : en fr
  • FR898689A - Improvements to gas burners : en fr
  • GB569108A - Improvements relating to gaseous fuel mixtures : en
  • GB569010A - Improved method and apparatus for storing liquids or other substances at low temperatures within predetermined limits : en
  • GB568979A - Improvements in or relating to the construction of walls, buildings or the like : en
  • ES169457A1 - A PROCESS OF MANUFACTURING IVORY OR ARTIFICIAL BONE : en es
  • CA427127A - Material grinding system : en fr
  • CH237392A - Method and device for the production of isoximes. : de en
  • US2374685A - Starting device : en
  • FR898696A - Process for manufacturing water softening agents : en fr
  • FR898675A - Selector-combiner : en fr
  • GB568986A - Improvements in or relating to railway crossings : en
  • ES168751A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF AVENTADORAS-ENSECADORAS : en es
  • GB569058A - Improvements in or relating to remote control mechanisms : en
  • US2375068A - Method of forming reinforced sheathed cables : en
  • CA427174A - Steam iron : en fr
  • CH237523A - Carrier frequency transmission system. : de en
  • ES166125A1 - A PROCEDURE FOR THE MANUFACTURE OF PAINTS AND VARNISHES : en es
  • ES169315A1 - SIMPLIFIED PROCEDURE OF THE SERODIAGNOSTIC METHOD : en es
  • CA427163A - Magnetic apparatus : en fr
  • US2374735A - Combined discriminator and carrier filter circuits : en
  • US2374919A - Milling and drilling adapter for boring bars : en
  • US2374861A - Puller tool : en
  • CA427121A - Dust collector : en fr
  • ES169415A1 - NEW HYDROCLASSIFICATION FOR CAOLINES, CLAYS AND INDUSTRIAL LANDS : en es
  • GB569077A - Improvements in and relating to means for determining and recording the stresses in wire ropes, chains and the like : en
  • GB569036A - Manufacture of 2-cyanobutadiene-1:3 : en
  • CA427245A - Hydrocarbon recovery : en fr
  • US2374912A - Charging hopper mounting for truck type concrete mixers : en
  • USD141082S - Design for a suction nozzle : en
  • ES169421A1 - A MACHINE TO DIE, CUT CORNERS, ROUND, DRILL AND MAKE ALL KINDS OF SIMILAR WORKS ON PAPER, CARDBOARD AND ANALOGUE MATERIALS : en es
  • US2374715A - Adjustable gas distribution means for multiple tube electrical precipitators : en
  • US2374774A - Machine tool : en
  • US2374811A - Method of producing modified urea aldehyde resin : en
  • US2374971A - Electrical connector : en
  • FR898726A - Electric lamp base lugs machine : en fr
  • US2374799A - Oil burner : en
  • GB569057A - Improvements in or relating to telegraph apparatus : en
  • CH237428A - Steel tone machine. : de en
  • CH237437A - Waterproof winder. : en fr
  • CH237480A - Process for the production of parts provided with Edison thread and which can be screwed detachably into one another. : de en
  • ES169428A1 - A TRANSPORTABLE SPRAYER ON WHEELS : en es
  • FR898652A - Improvements to cathode beam switches to which signaling currents are applied : en fr
  • GB568984A - Improvements in and relating to electric circuit controllers : en
  • FR898716A - Method and apparatus for spraying liquids : en fr
  • CA427236A - Catalytic alkylation process : en fr
  • ES11362U - Clock driven by gravity. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169402A1 - IMPROVEMENTS IN THE AUTOMATIC REGULATION OF AN ELECTROLYTIC CELL : en es
  • GB569103A - Steel chimneys or like structures : en
  • GB569019A - Improvements in or relating to variable speed pulleys : en
  • GB569112A - Operation of anion-exchange units : en
  • FR898664A - Optical system in which other glass bodies, preferably prisms, are interposed between the elements forming the image : en fr
  • CA427220A - Upholstery construction : en fr
  • US2374728A - Generator : en
  • US2374727A - Electrical relay : en
  • CH237517A - Filter arrangement for systems of alternating current telegraphy. : de en
  • CH237519A - Device on telephone set for attenuating call bell signals. : de en
  • US2374904A - Core structure for casting hollow rolls or the like : en
  • CH237358A - Pressure cooker. : de en
  • US2374902A - Method and mold for casting hollow articles : en
  • US2374962A - Telephone set : en
  • US2374666A - Electronic device, circuit, and method : en
  • US2375079A - Thread grinding machine : en
  • US2375026A - Tractor implement : en
  • USD141039S - Design for a hair curler : en
  • US2375038A - Rotary drive device : en
  • US2374866A - Variable-speed clutch : en
  • CH237419A - Regulating device for the balance spring of a clockwork igniter. : de en
  • CA427140A - Chuck : en fr
  • CA427135A - Keeper plate for sash locks : en fr
  • CA427188A - Electric welding process : en fr
  • US2374702A - Electric switchgear : en
  • US2374642A - Waste and overflow fitting : en
  • US2375174A - Counter and numbering head for press cylinders : en
  • CA427252A - Sponge rubber : en fr
  • US2375072A - Ball self-locking releasable coupling : en
  • US2374963A - Modified olefin polysulphide products : en
  • USD141075S - Design fob a doll ob similar article : en
  • CH237549A - Device for starting aircraft. : de en
  • US2374746A - Frequency modulation receiver : en
  • USD141064S - Lens panel for a lighting fixture : en
  • AU654542A - Improvements in reclaimed natural and synthetic rubbers and process of reclaiming bythe use of certain amines : en
  • CA427189A - Electric welding process : en fr
  • CA427244A - Weighing scale : en fr
  • DK63442C - Device for Magasing gramophones. : da en
  • CH237383A - Process for the preparation of p-amino-p'-carbamido-diphenyl sulfone. : de en
  • CH237421A - Device for measuring workpieces by means of a measuring instrument. : de en
  • US2374719A - Machine tool transmission and control mechanism : en
  • US2374741A - Pigment preparation : en
  • US2374803A - Nonmetallic loose-leaf binder and the like : en
  • US2374965A - Accounting and filing system : en
  • CA427181A - Harvester thresher : en fr
  • ES169464A1 - A PROJECTOR-EXTENSION MACHINE FOR PHOTOGRAPHY : en es
  • BE458426A - : fr
  • ES169331A1 - IMPROVEMENTS IN THE MANUFACTURE OF THE PRINTING MACHINES, "MINERVAS" AND SIMILAR : en es
  • FR52551E - Device for the production of visible or photographic images by using neutrons to form these images : en fr
  • GB569023A - Improvements in or relating to collapsible boxes, cartons, or baskets made of cardboard or like materials : en
  • US2375029A - Motive system : en
  • BE458298A - Amplifier for physical, electrical, mechanical or other quantities, varying slowly : en fr
  • US2374670A - Folding table : en
  • US2375050A - Cable tension regulator : en
  • US2374930A - Electric welding apparatus : en
  • US2375112A - Rivet remover : en
  • CA427234A - Hydrocarbon reaction process : en fr
  • BE463931A - Control device for colored lighting devices. : en fr
  • ES169330A1 - A PORTABLE CONVEYOR ELEVATOR CONVEYOR, MOBILE RAMP : en es
  • US2374948A - Sorting device : en
  • US2375002A - Process for making sodium sulphate and chlorine : en
  • US2375158A - Measuring apparatus : en
  • US2374654A - Means for taking measurements for the production of garments : en
  • US2374675A - Headgear : en
  • US2374984A - Process for separation of vapors : en
  • GR10351B - METHOD OF MOTORCYCLE, FAST AND ECONOMICAL CONSTRUCTION OF SURFACE AND LIGHT SHOES. : el en
  • USD141037S - Design for a case for spectacles : en
  • US2375173A - Apparatus for drying metallic articles : en
  • US2375035A - Extractive distillation : en
  • US2374925A - Folding door : en
  • CH237439A - Pick-up pliers. : de en
  • ES168913A1 - NEW PRESS TO MANUFACTURE FOOTWEAR AND FOOTWEAR : en es
  • ES169437A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CAPACITIVE MICROPHONES : en es
  • CH237531A - Strapping machine. : en fr
  • FR52639E - Air-space insulated conductor comprising at least one spacer element made of indeformable insulating materials wound in helical turns open around the conductor : en fr
  • ES168818A3 - A PROCEDURE FOR THE SYNTHETIC OBTAINING OF DIPHENYL ETHER : en es
  • FR52552E - Cylinder head for internal combustion engine : en fr
  • US2374938A - Floating carrier fortress : en
  • US2375175A - Smokeless powder process : en
  • ES8059Y - Tent cloth in the shape of an isosceles triangle with an opening so that the head can be passed through when used as a waterproof cape. : en es
  • ES11394U - A support for display of stockings (Machine-translation by Google Translate, not legally binding) : en es
  • ES168510A1 - IMPROVEMENTS IMPROVED IN PRESSURE GAS PROVISION BOTTLES FOR FIRE EXTINGUISHERS, WITH UNREGULATED CLOSURE PLATE : en es
  • IE16699B1 - Improvements in methods of and means for drying and briquetting turf : en
  • FR898718A - Obtaining stable oily, pasty or crystalline substances of light color from coal tar : en fr
  • CA427155A - Rubber plasticizer : en fr
  • DK63440C - Sealing device for letter cracks in doors. : da en
  • ES6313Y - Soap saver device. : en es
  • CA427176A - Black iron plate preparing method : en fr
  • FR898699A - Manufacturing process for double-sided mosaic screens for electron tubes : en fr
  • US2375045A - Kerf-cutting machine : en
  • ES8135Y - Enhanced lens mount. : en es
  • US2374918A - Compositions for parasiticidal use : en
  • US2375042A - Stabilized butadiene-1,3 polymers : en
  • US2375167A - Vehicle steering truck and method of making same : en
  • USD141055S - Design for a compact or the like : en
  • CH237438A - Method and device for maintaining the oscillations of the balance of a timepiece, so as to obtain a constant amplitude of the movements thereof. : en fr
  • ES10689U - Modification and improvement of drill bits of one and two diameters that allow the depth of the drills and countersinks to be graduated beforehand without the danger of exceeding the depths that they must reach in them. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569048A - Improvements in and relating to the manufacture of spiral vacuum tube filaments : en
  • US2375101A - Container : en
  • CA427214A - Slide fastener : en fr
  • CH237530A - Containers with flaps and goods packages attached to the side walls. : de en
  • ES11388U - Automatic pencil (Machine-translation by Google Translate, not legally binding) : en es
  • GB569102A - Improvements in diesel-electric and like power systems : en
  • FR898654A - Semi-automatic electric heating device for spoons for melting soft metals and their alloys : en fr
  • US2374903A - Tractor conveyer : en
  • US2374982A - Hand truck : en
  • USD141065S - Electrode holder or similar article : en
  • CA427260A - Rubber hydrochloride film : en fr
  • US2375019A - Stabilization of soils : en
  • US2374756A - Strainer body and harness therefor : en
  • GB569083A - Process for the manufacture of pantothenic acid and the salts thereof : en
  • DK63451C - Engine cover for Rear Motor Vehicles. : da en
  • US2374716A - Grinder : en
  • US2375059A - Cardiometric apparatus : en
  • US2375180A - Apparatus for jet propulsive and other purposes : en
  • FR52634E - A method of making an astringent skin cleanser in solid form : en fr
  • ES11357U - Electric trolley. (Machine-translation by Google Translate, not legally binding) : en es
  • US2374766A - Bitumen emulsion : en
  • US2374990A - Engine starting mechanism : en
  • CH237458A - Closure for bracelets, necklaces and the like. : de en
  • FR52613E - Carburetor for gas engines : en fr
  • GB569081A - Improvements in or relating to devices for producing involute or modified involute tooth-profiles on gear grinding discs : en
  • CH237501A - Process for the preparation of a crystallized, non-hygroscopic calcium salt of d-pantothenic acid. : de en
  • FR898661A - Elastic holder for cycle and motorcycle license plates : en fr
  • GB569114A - An improved magazine for dispensing safety razor blades or other fine-edged blades : en
  • ES168754A1 - AN APPARATUS FOR THE INDUSTRIAL OBTAINMENT OF FORMALDEHYDE : en es
  • ES169192A3 - A PROCEDURE FOR PRODUCING CINEMATOGRAPHIC FILMS IN COLORS : en es
  • CH237332A - Rake tooth. : en fr
  • CH237376A - Slipper. : de en
  • ES169389A1 - NEW PROCEDURE FOR MANUFACTURING RODS FOR EXPLOSION ENGINES : en es
  • ES168364A1 - A PROCEDURE FOR THE MANUFACTURE OF PENCILS TO WRITE : en es
  • FR52622E - Piston, especially for internal combustion engines : en fr
  • ES11265U - Transport container for milk flasks. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11389U - Corkscrew perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569028A - Improvements in or relating to fault indicating devices for electric supply systems : en
  • ES11317U - Cropped base, which allows two positions in the dolls, of which body shape. (Machine-translation by Google Translate, not legally binding) : en es
  • CH237371A - Device for pleating fabrics. : de en
  • CH237449A - Device for lifting and feeding the tool on a gear processing machine. : de en
  • CH237510A - Process for the preparation of 1-phenyl-2-methyl-3-amino-5-pyrazolone. : de en
  • CH237545A - Spoked wheel for rail vehicles. : de en
  • US2375061A - Stabilized lubricant and the method of preparing the lubricant additive for this lubricanat : en
  • US2374878A - Vehicle frame : en
  • US2374680A - Compounds of the cyclopentanopolyhydrophenanthrene series and methods of their preparation : en
  • CA427259A - Synthetic rubber : en fr
  • US2375081A - Cable terminal lifter for batteries : en
  • CH237466A - Drive device with friction gear. : de en
  • CH237567A - Device for extracting air from a working cylinder of an internal combustion engine, in particular a diesel engine, and for transferring it to a compressed air system. : de en
  • CH237345A - Process for making molded ceramic articles. : de en
  • US2374847A - Sampling method : en
  • US2375044A - Selecting system : en
  • CH237355A - Chair with height adjustable seat. : de en
  • CA427224A - Electric switch : en fr
  • GB568980A - Improvements relating to furnaces with circulation of internal atmosphere : en
  • ES169309A1 - AN ELECTROMAGNETICALLY REMOTE CONTROLLED RELEASE DEVICE : en es
  • CH237550A - Device for crosswise connection of rod-shaped or tubular construction parts. : de en
  • ES168436A1 - IMPROVEMENTS INTRODUCED IN THE CLOSING PROVISION IN AUTOMATED ARMS : en es
  • ES169447A1 - A CHEMICAL HEATING PROCEDURE FOR PERMANENT HAIR WAVE : en es
  • ES8049Y - Improved industrial oil can. : en es
  • FR898711A - Method and rods for forming by welding on the cast iron a deposit machinable with a tool : en fr
  • US2375169A - Clamping mechanism for machine tools : en
  • US2374858A - Bipartite tube : en
  • US2374949A - Alkylidene bis-salicylic acids and method of preparing same : en
  • GB569078A - Improvements relating to refractory compositions : en
  • US2374806A - Tube severing machine : en
  • US2374874A - Machine tool : en
  • GB569015A - Improvements in winch gear : en
  • ES8024Y - Box-container : en es
  • GB569053A - Improvements in or relating to dwelling houses : en
  • CA427172A - Steam iron : en fr
  • ES168835A1 - A TUNED SIGNAL RADIO-HEAD SYSTEM : en es
  • US2374832A - Roving frame : en
  • US2374842A - Recording and reproducing apparatus : en
  • US2374905A - Preformed step structure : en
  • FR52599E - System intended to save fuel in multi-cylinder combustion engines, by eliminating engine work in a certain number of cylinders : en fr
  • ES11354U - Lingual depressor with own lighting means (Machine-translation by Google Translate, not legally binding) : en es
  • ES166876A1 - A PROCEDURE FOR CONTINUOUS MEASUREMENT OF GAS AND VAPOR DENSITIES : en es
  • FR52572E - Process for the preparation of new compounds of the cyclopentanopolyhydrophenanthrene series : en fr
  • FR898719A - Automatic warning and / or stop device for overhead cranes and similar handling equipment : en fr
  • GB569068A - Foam and light producing signals for marking positions at sea : en
  • GB569050A - A method for precipitation or separation of dispersed substances : en
  • GB569122A - Improvements in grinding and pulverizing mills : en
  • GB569022A - Improvements in cleansing powders : en
  • ES169030A1 - AN AUTOMATIC, VARIABLE SPEED WHITENING MACHINE FOR CREAMS AND NATAS : en es
  • US2374823A - Vibration damper for suspended wires and cables : en
  • CH237557A - Process for the production of a dihydroxydicarboxy dye. : de en
  • FR52584E - Method of suspension of the upper lift of binders and similar machines : en fr
  • ES169401A1 - IMPROVEMENTS IN REGULATION DEVICES DISTRIBUTING THE CURRENT BETWEEN VARIOUS ELECTRODES OF AN ELECTROLYTIC CELL : en es
  • FR898746A - New application of oxidized aluminum : en fr
  • CA427179A - Flush valve : en fr
  • ES169381A3 - A MACHINE FOR BENDING AND TWISTING SILK, RAYON AND OTHER SIMILAR FIBERS : en es
  • ES169475A1 - FEMORO-TIBIAL ARTICULATION FOR PROSTHESIS : en es
  • FR52617E - Refractory stone particularly resistant to slagging : en fr
  • ES168925A1 - A PROCEDURE TO PREVENT BREAKS, POINTS AND RACES IN STOCKINGS AND SOCKS : en es
  • US2375062A - Combined timing and display apparatus : en
  • US2374848A - Reclining chair : en
  • FR52577E - Process for the production of superior steels : en fr
  • CA427265A - Elbow head flashlight : en fr
  • AU1758144A - Improvements in or relating to composite structures and method of making same : en
  • CA427213A - Parking meter : en fr
  • CA427270A - Pyridine compound : en fr
  • US2374859A - Brake mechanism : en
  • US2374777A - Railway truck structure : en
  • CH237464A - Shut-off device, especially for flow media with variable temperature. : de en
  • US2374779A - Sequence timer and measuring control : en
  • US2375028A - Aircraft control : en
  • CH237539A - Device to be strapped to the luggage rack of bicycles for carrying objects. : de en
  • CA427207A - Warp yarn stop motion : en fr
  • CA427235A - Aliphatic hydrocarbon catalytic alkylation : en fr
  • US2374932A - Dehydrogenation of hydrocarbons : en
  • US2374740A - Tensional shingle fastener : en
  • US2375070A - Garment : en
  • CH237485A - Parallel switching device. : de en
  • US2374659A - Automatic feeder for lumber grading tables : en
  • US2374773A - Internal-combustion engine : en
  • US2374857A - Method of knitting : en
  • US2374883A - Variable reactance controller : en
  • US2375057A - Conveying system : en
  • US2375152A - Propeller shaft brake : en
  • US2375073A - Plow point : en
  • US2375147A - Gas mask : en
  • US2375015A - Stabilization of unsaturated nitriles : en
  • CH237543A - Tank wagons. : de en
  • CH237381A - Method and device for separating substances in dispersion in liquids. : en fr
  • CH237389A - Process for halogenating hydrocarbons. : de en
  • ES169435A1 - AN APPARATUS FOR THE CONCENTRATION OF LIQUIDS : en es
  • FR52603E - Articulated wooden sole for shoes : en fr
  • US2374667A - Method of plasticizing proteins : en
  • US2375095A - Insecticides : en
  • FR52592E - Process for preparing nitrogenous condensation products : en fr
  • FR898741A - Improvements made to pasty products and containers, in particular aluminum containers, intended to contain them : en fr
  • AU2021345A - Diascopic projection system in conjunction witha printing machine : en
  • US2374730A - Apparatus for treatment of the feet : en
  • USD141046S - Design for a figurine or similar article : en
  • US2374782A - Mop head and mop : en
  • CH237491A - Corpuscular beam apparatus with an arrangement for examining irradiated objects at an increased pressure compared to the high vacuum of the apparatus. : de en
  • CH237561A - Process for the production of a condensation product. : de en
  • US2374671A - Turbine : en
  • CH237359A - Toothbrush. : de en
  • CH237407A - Process for the production of printing forms. : de en
  • US2374736A - Spool : en
  • FR52632E - Safety fuse for small electrical switches : en fr
  • CH237446A - Expanding mandrel. : de en
  • US2374748A - Tire pressure alarm : en
  • US2375123A - Collapsible box : en
  • US2375001A - Manufacture of chlorine and sodium sulphate : en
  • US2374897A - Compressor : en
  • US2374980A - Web guiding and stretching mechanism : en
  • CH237378A - Coffee substitute, and process for making it. : en fr
  • DK63438C - Neodymium-containing spectacle lenses and method of manufacture. : da en
  • US2375114A - Indexing mechanism : en
  • CH237457A - Abrasive tools, in particular for the painting trade. : de en
  • US2374697A - Tail gate : en
  • US2374653A - Recording system : en
  • US2374723A - Identification means for documents : en
  • US2374821A - Mechanism for protecting thread shearing revolvers : en
  • US2375066A - Automatic coin return system : en
  • US2374886A - Method of treating lead oxide : en
  • US2375053A - Signaling system : en
  • US2374818A - Steam generator : en
  • US2375078A - Preparation of vitamin e or tocopherols : en
  • CH237455A - Machine for the preparation of plastic materials, especially natural and synthetic rubber. : de en
  • GB569090A - Improvements relating to gas fires : en
  • GB568987A - Improvements in embossing machines : en
  • US2374770A - Wire-stitching machine : en
  • US2374957A - Method for boron fluoride recovery : en
  • CH237546A - Device for moving a ship against the direction of the current using only the flow energy of the flowing water. : de en
  • FR898653A - electric resistance remote transmitter : en fr
  • DK63447C - Draining device at Sliding valves. : da en
  • ES169467A1 - A PROVISION IN ABSORPTION REFRIGERATING APPLIANCES : en es
  • GB568990A - Improvements in or relating to gas fires and radiants for use therein : en
  • US2374679A - Fastening device : en
  • ES11329U - Filed cabinets. (Machine-translation by Google Translate, not legally binding) : en es
  • FR898669A - Zymotechnical process and industrial application concerning the transformation of organic substances, into combustible gases, humic substances and assimilable salts : en fr
  • FR898670A - Letter card : en fr
  • FR898687A - electric heating element : en fr
  • ES169359A1 - PROCEDURE FOR THE OBTAINING OF MULTICOLORED PHOTOGRAPHIC AND CINEMATOGRAPHIC IMAGES : en es
  • US2374911A - Resiliently articulated vehicle frame and wheel suspension : en
  • ES169371A1 - PROCEDURE FOR THE CONSTRUCTION OF COVERS OR ROOFTOPS IN DOME : en es
  • US2374950A - Fractionating apparatus : en
  • US2375128A - Surface grinding machine : en
  • US2374656A - Type slug low slugger : en
  • US2374683A - Dehalogenation of steroids : en
  • US2374924A - Refining of animal and vegetable oils : en
  • US2374796A - Collapsible container : en
  • US2375077A - By-pass valve : en
  • US2374805A - Sterilization of water for drinking purposes : en
  • US2374880A - Methine dyestuffs : en
  • ES11077U - Vaginal hygienic compress. (Machine-translation by Google Translate, not legally binding) : en es
  • US2375034A - Apparatus for high temperature tensile testing of materials : en
  • US2375118A - Hinge : en
  • US2374816A - Rapid-fire gun : en
  • US2374851A - Vegetable cutter : en
  • CH237467A - Kinetic storage gear. : de en
  • CH237556A - Process for the production of a dihydroxydicarboxy dye. : de en
  • GB569074A - Improvements in, or relating to, building structures : en
  • US2374726A - Device for dressing grinding wheels and the like : en
  • FR52591E - Metal aerial propeller : en fr
  • IE18098L - Heat exchangers : en
  • FR898666A - Closure for bottles, jars and other similar containers : en fr
  • GB569042A - Dicyandiamine-aldehyde syrups and processes of producing same : en
  • ES167454A1 - A DEVICE FOR THE PRODUCTION OF GLASSWARE WITH FOOT : en es
  • US2374673A - Facsimile recorder : en
  • US2375177A - Decoration of surfaces with luminescent materials : en
  • US2374798A - Envelope : en
  • FR52579E - Water soluble, high molecular weight, alpha-substituted aralkylamines and process for their manufacture : en fr
  • GB569121A - Improvements in or relating to liquid fuel burners : en
  • FR52640E - Device for automatic hydraulic adjustment of the running of mining machines : en fr
  • US2375117A - Asphaltic compound : en
  • FR898713A - Improvements to limiting amplifiers : en fr
  • SU64655A1 - Machine with two cup grinding wheels of different characteristics for sharpening cutters with a hard alloy plate : en ru
  • CA427147A - Electric water heater : en fr
  • ES168991A1 - A PLOW : en es
  • FR898735A - Stable cosmetics manufacturing process : en fr
  • CH237573A - Process for the preparation of 2-amino-thiazole-5-sulfonamide. : de en
  • US2374641A - Bed : en
  • DK63434C - Process for the preparation of oxyphenyl amino-propanes and their derivatives substituted in the benzene nucleus, in the side chain or by the nitrogen. : da en
  • US2375091A - Exhaust manifold : en
  • US2374721A - Sewing machine attachment : en
  • SE113992C1 - : en
  • US2374734A - Discriminator circuits : en
  • US2374657A - Resinous material and process of preparing : en
  • CH237459A - Evaporable liquid lighter. : en fr
  • AU119860B2 - Improvements in or relating to means for draining milk cans : en
  • US2374959A - Internal-combustion engine : en
  • ES7954Y - Ampoule for the container of any class of injectable drugs, whether chemical or biological. : en es
  • GB569055A - Metallised paper and products made therefrom : en
  • CA427194A - Fire extinguisher : en fr
  • CA427169A - Strip material handling machine : en fr
  • US2375022A - Instrument for testing grounding resistance : en
  • FR52638E - Improvements to refrigerator cabinets : en fr
  • US2375159A - Measuring and control apparatus : en
  • ES168509A1 - IMPROVEMENTS IMPROVED IN BOTTLES OF PROVISION OF COMPRESSED GAS FOR FIRE EXTINGUISHERS, WHICH ARE CLOSED BY INTRODUCING A BOLT : en es
  • ES9238U - Box for removable and inviolable packing. (Machine-translation by Google Translate, not legally binding) : en es
  • USD141068S - Design for a fluorescent lighting fixture : en
  • ES11323U - A new board for indoor games and similar (Machine-translation by Google Translate, not legally binding) : en es
  • AU119851B2 - Improvements in and relating to straight bar knitting machines : en
  • CH237482A - Device for operating a switch with controlled instantaneous switching using a discharge tube. : de en
  • DK63437C - Milk fat. : da en
  • CA427178A - Engine lubrication system : en fr
  • CA427210A - Hydraulic control valve : en fr
  • ES11345U - Perfect grip to hold the hair. (Machine-translation by Google Translate, not legally binding) : en es
  • CH237515A - Hair winding device with electrical heating. : de en
  • GB569123A - Improved mirror signalling device : en
  • AU119853B2 - Improvements in pipe joints andthe like : en
  • US2374922A - Method of completing wells : en
  • CH237524A - Circuit arrangement for the single sideband communication. : de en
  • AU2049045A - Improvements in brakes : en
  • CH237399A - Process for the production of a thermo-plastic resinous plastic from waste liquors from cellulose extraction. : de en
  • ES168663A1 - IMPROVEMENTS IN THE UNIVERSAL CUTTING MACHINE FOR MARBLE, GRANITE AND ANALOGUE MATERIALS : en es
  • ES169312A3 - IMPROVEMENTS IN THE CONSTRUCTION OF THE MOLDS USED IN THE MANUFACTURE OF PIECES FORMED BASED ON HEAT-HARDENING SYNTHETIC RESINS : en es
  • US2374725A - Chuck : en
  • US2374753A - Cable armor cutter : en
  • US2375160A - Carburetor metering device : en
  • CH237453A - Internally cooled turbine blade. : de en
  • ES169398A1 - A PROCEDURE FOR OBTAINING A DERIVATIVE OF BENZOIC ACID USED IN AGRICULTURE : en es
  • FR52558E - Elastic sole : en fr
  • CH237475A - Method and device for cooling gas turbine blades. : de en
  • CH237333A - Device for attaching the scythe blade to the worb. : de en
  • CA427201A - Chuck : en fr
  • CA427160A - Gas generator : en fr
  • CA427267A - Hydraulic material separating apparatus : en fr
  • CH237377A - Process for breaking down pectins. : de en
  • CH237410A - Photographic material for subtractive color positive photographic images. : de en
  • FR898712A - Method and machine for the manufacture of shoes by curved inner stapling of small radius : en fr
  • CH237431A - Free cylinder escapement for timepieces. : en fr
  • USD141040S - Design for a comb : en
  • US2374934A - Process for preparing capillary active substances : en
  • CA427261A - Guayule processing : en fr
  • FR52586E - Device for controlling current rectifiers with mechanical current interruption : en fr
  • CH237463A - Shut-off device. : de en
  • CA427266A - Flashlight : en fr
  • FR898673A - Woodworking rack : en fr
  • FR52623E - Liftable mudguards for vehicles, in particular for motorcycles : en fr
  • ES8071Y - Electrically operated automatic circular brush. : en es
  • AU129266B2 - Improvements in brakes : en
  • ES169142A1 - A TRANSPORTABLE MACHINE FOR MANUFACTURING DUELS FOR BARRELS : en es
  • GB569079A - Improvements in or relating to slips or gauges : en
  • US2374995A - Gold base brazing solder : en
  • GR10356B - MANUFACTURING AND DISPLAYING OF INK WRITING IN VARIOUS COLORS AND GEOMETRIC SHAPES. : el en
  • FR52563E - Printing mechanism for accounting machines with rotary character carriers : en fr
  • FR52633E - Salt filled hollow stem valve : en fr
  • GB568996A - Improvements in or relating to photographic shutters : en
  • ES169135A1 - A PROCEDURE FOR IMPROVEMENT IN A SPEED REGULATOR APPLIANCE : en es
  • GB569056A - Improvements in marine screw propellers of the variable pitch and reversing type : en
  • GB569118A - Improvements in or relating to optical apparatus : en
  • ES169422A1 - A PROCEDURE FOR THE OBTAINING OF ETHYLENE FROM ACETYLENE : en es
  • GB569024A - Improved cam mechanism : en
  • IE17959L - Aromatised butter or margarine : en
  • AU1749544A - Improvements in or relating to laminated articles and method of making same : en
  • CA427122A - Microphone : en fr
  • SU64529A1 - Device for the development and removal of soil from the caisson or bottom well : en ru
  • ES8046Y - Hot and cold water mixer tap. : en es
  • US2374678A - Surface active materials : en
  • US2374797A - Heating of fluids : en
  • US2375086A - Process of preparing conjugated diolefins : en
  • GB569071A - Improvements in polymers of hexadienes : en
  • ES169380A3 - IMPROVEMENTS IN THE CONSTRUCTION OF SUPPORTS FOR DYNAMES DRIVEN BY THE WIND : en es
  • ES169302A1 - AMPLIFIER OF VERIES GRADES FOR HIGH FREQUENCY WAVES THAT ADOPT A SPECIFIED SPECTRUM OF FREQUENCY (AMPLIFIER OF INTERMEDIATE FREQUENCY), WHICH DEGREE AMPLIFIERS ARE CONSTRUCTED INDIVIDUALLY AS CONSTRUCTIVE UNITS IN THE FORM OF A BOX : en es
  • ES11283U - Wheel for hydraulic wheel with automatic chain coupling. (Machine-translation by Google Translate, not legally binding) : en es
  • US2374983A - Sulphur compounds : en
  • GB569034A - Improvements in mortars or bomb projectors : en
  • US2374712A - Bedcover : en
  • ES169217A3 - A PROCEDURE FOR TREATING FILMS : en es
  • GB569032A - Improvements relating to regenerative apparatus for heating fluids : en
  • FR898677A - Device for making prints or photographic reproductions of documents : en fr
  • US2374663A - Method of and apparatus for conveying : en
  • US2375179A - Call transmitter : en
  • GB569115A - Improvements in and relating to the manufacture of composite or multiply web or sheet material or articles : en
  • FR898705A - equipment for reactive current compensation in a mesh network : en fr
  • ES8042Y - Apparatus for carbonization of forest waste, branches and bushes and other similar uses. : en es
  • GB569119A - Improvements in releasable towing hooks : en
  • CA427195A - Razor : en fr
  • US2374836A - Splitting operation : en
  • US2374694A - Feeding device : en
  • US2374868A - Electric switch : en
  • FR52614E - Improvements to handpieces for dentists : en fr
  • ES11353U - A detachable toy house (Machine-translation by Google Translate, not legally binding) : en es
  • ES167360A1 - A PROCEDURE FOR THE MANUFACTURE OF CHEESE WITH ARTIFICIAL CRUST : en es
  • GB569084A - Improvements in or relating to devices for gauging linear dimensions : en
  • US2375008A - Carbonaceous material : en
  • US2375146A - Protective means : en
  • US2374689A - Garment hanger : en
  • ES169344A3 - PROCEDURE FOR OBTAINING A DISINFECTANT PRODUCT FROM SEEDS INTENDED FOR SOWING : en es
  • FR52587E - Appliance for economical heating, grilling or cooking of food : en fr
  • FR898738A - Device for controlling electrical contacts by thermo-sensitive elements : en fr
  • GB569067A - Improvements in superheaters : en
  • USD141041S - Design for a teapot or similar article : en
  • ES168849A1 - IMPROVEMENTS INTRODUCED IN EMPLOYEE STRATEGY TRANSMISSION SYSTEMS FOR DIMENSIONS OF RAILWAY VEHICLES : en es
  • FR898728A - Method and devices for heating furnaces by resistors : en fr
  • ES169436A1 - A PROCEDURE FOR THE CONCENTRATION OF LIQUIDS : en es
  • GB568978A - Alumina : en
  • US2374826A - Conversion process : en
  • US2375121A - Mobile traffic control signal device : en
  • US2375126A - Diversity radio receiver : en
  • CA427251A - Sponge rubber : en fr
  • CA427123A - Tractor wheel spud : en fr
  • CA427170A - Steam iron : en fr
  • CH237401A - Plastic mass and process for its manufacture. : de en
  • CA427231A - Vanity box : en fr
  • CH237385A - Catalytic process for the preparation of ethyl acetal. : en fr
  • GB569065A - Improvements in or relating to the manufacture of liquid containers : en
  • GB569043A - Improvements in or relating to modified polymers of ethylene : en
  • US2374953A - Filter : en
  • CH237451A - Extendable lapping. : en fr
  • US2374926A - Process of coating with tin or other metals : en
  • FR898694A - Process for preparing acid esters of sulfuric acid of higher hydrocarbons : en fr
  • US2375148A - Collapsible core for plastic molding : en
  • AU118625B2 - Improvements in reclaimed natural and synthetic rubbers and process of reclaiming bythe use of certain amines : en
  • CH237578A - Electric train signaling system for vehicle trains. : de en
  • AU1111643A - Improvements in and relating to straight bar knitting machines : en
  • FR898715A - Thin blade with variable cut for safety razor and frame intended to receive said blade : en fr
  • US2374648A - Condensation products of n,n'-bis (alkoxymethyl) urea and processes for their production : en
  • US2374787A - Towel rack : en
  • US2375011A - Manufacture of chlorine : en
  • ES8043Y - Device for sealing with electric heating. : en es
  • US2374921A - Photographic developer : en
  • CH237412A - Flower containers for graves. : de en
  • US2375139A - Boat : en
  • CH237356A - Knee lever support for holding hinged headboards on lounge furniture in various inclined positions. : de en
  • CA427246A - Glass container treating apparatus : en fr
  • CH237469A - Hydraulic packing press, in particular for squeezing fruit. : de en
  • US2374882A - Steam generator : en
  • US2374907A - Crankshaft : en
  • US2374966A - Lubricating grease composition : en
  • CH237386A - Process for the preparation of a mixture of polychloride compounds of the ethylene series. : de en
  • CH237405A - Process for the production of envelopes provided with a device for quick opening and an envelope produced according to this process. : de en
  • CA427168A - Carrier wave frequency converter : en fr
  • US2375746A - Frequency modulation receiver : en
  • US2375124A - Process for modifying the dyeing and other properties of cellulosic textile materials : en
  • AU119959B2 - Improvements relating to windows inthe envelopes of vacuum tubes housing thermocouples : en
  • FR52602E - Manufacturing process for coatings without tension or cracks in condensation and organic polymerization products : en fr
  • CH237477A - AC or three-phase generator for constant voltage. : de en
  • CH237351A - Heat recovery unit for stoves and cookers. : en fr
  • US2374943A - Hair waving appliance : en
  • US2375122A - Knockdown hogshead : en
  • CA427203A - Aircraft control mechanism : en fr
  • CA427253A - Milking apparatus : en fr
  • ES169329A1 - PROCEDURE FOR THE PREPARATION OF CURTIENT MATTERS : en es
  • US2374789A - Organic peroxide : en
  • CH237471A - Installation comprising a steam generator heated by hot gas under pressure. : en fr
  • CH237411A - Process for the production of light-sensitive layers. : de en
  • CH237565A - Wood shredding machine. : de en
  • FR898748A - Improvements to horizontal presses : en fr
  • GB569075A - Improvements in or relating to multiple tariff counting mechanism for measuring instruments : en
  • GB569088A - Improvements relating to the contacts of interrupters or vibrators for electrical circuits : en
  • US2374850A - Inner spring unit : en
  • US2375156A - Thread holder for magazines : en
  • US2374915A - Method of forming fatty acid substituted amino compounds : en
  • US2375003A - Method of lapping : en
  • US2375017A - Electromagnetic device : en
  • CA427208A - Clutch : en fr
  • CH237489A - Process for the production of solderable silver graphite bodies. : de en
  • CH237483A - Equipment on switches with extinguishing agent flowing under pressure for the cut-off arc. : de en
  • US2374937A - Geochemical well-logging : en
  • USD141050S - Ketchum, jr molding for store fronts : en
  • CH237360A - Device for peeling off soldered lids provided with a tongue from cans. : de en
  • CH237335A - Plant support. : de en
  • CH237525A - Selector for telecommunications, especially telephone systems, with non-contact setting of the contact arms : de en
  • AU709742A - Exothermic agglomerates and their use in metallurgical processes : en
  • US2374865A - Gravity separator : en
  • USD141058S - Design fob a brooch pin : en
  • ES169456A1 - A PROCEDURE FOR THE MANUFACTURE OF ADORNMENT OBJECTS WITH OWN LUMINOSITY : en es
  • CH237339A - Device for sealing side covers on containers, in particular for garbage trucks. : de en
  • ES167757A1 - A PROCEDURE TO MANUFACTURE AN INTENSE AND PERMANENT CURING FABRIC MATERIAL AND RESISTANT TO SPONGE : en es
  • FI20561A - Justerverk for virke : en fi
  • CA427238A - Railway car door operating means : en fr
  • CH237472A - Fuel injector for internal combustion engines. : de en
  • CA427193A - Lamp electrode : en fr
  • CA427199A - Indicator control mechanism : en fr
  • CH237388A - Process for the production of alkali cellulose. : de en
  • CH237576A - Process for the preparation of 2-acetylamino-thiazole-5-methyl-sulfonamide. : de en
  • DK63446C - Device by Shut-off means for Pipe openings. : da en
  • ES11367U - Improved collar for shirts. (Machine-translation by Google Translate, not legally binding) : en es
  • CA427249A - Aqueous rubber dispersion processing : en fr
  • US2375030A - Universal coupling : en
  • US2375064A - Teletypewriter control system : en
  • US2375137A - Motor-carrying ground miller devoid of driving wheel means : en
  • CH237395A - Process for the preparation of 2,5,8-aminonaphtholsulfonic acid. : de en
  • US2375040A - Electric cribbage board : en
  • CA427133A - Resilient retaining device : en fr
  • CH237342A - A process for preparing high-strength, normal-setting and fast-hardening vibrated concrete. : en fr
  • AU126081B2 - Improvements in or relating to composite structures and method of making same : en
  • US2374643A - Patient's gown : en
  • ES168926A1 - A PROCEDURE TO FORM A RESISTANT MATERIAL AND A LIGHT WEIGHT : en es
  • ES8077Y - Long-range irrigation nozzle. : en es
  • US2374767A - Grease-resistant film : en
  • AU1102243A - Improvements in or relating to means for draining milk cans : en
  • CH237521A - Single sideband multicarrier stream communications equipment. : de en
  • US2374968A - Drying apparatus for cylinder heads : en
  • US2374838A - Mechanism for feeding wrappers from a stack : en
  • CH237538A - Door on vehicles, in particular motor vehicles, that opens parallel to the closed position. : de en
  • CH237495A - Variable capacitor. : de en
  • AU129161B2 - Improvements relating to pumps : en
  • CA427262A - Package : en fr
  • BE457770A - A process for manufacturing thin wires or tapes of conductive material. : en fr
  • CH237375A - Process for the production of a shoe and shoe produced according to this process. : de en
  • US2374931A - Wax composition : en
  • CH237427A - Ten key calculator. : de en
  • GB569082A - Improvements in or relating to machines for grinding tooth flanks of gear wheels by means of profiled abrasive discs : en
  • AU982243A - Improvements in containers suitable for dropping from aircraft andthe like : en
  • US2374713A - Smelter : en
  • USD141072S - Design for a doll : en
  • CH237337A - Connection device for wooden structures. : de en
  • USD141045S - Design for a brooch pin : en
  • FR52564E - Method for using condensation water in steam installations, in particular rail cars, and device for carrying out this method : en fr
  • FR52647E - Mounting for converter equipment : en fr
  • FR898660A - Cast iron welding process : en fr
  • GB569100A - Improvements in or relating to guanamines and methods of preparing the same : en
  • CA427228A - Short wave radio apparatus : en fr
  • CH237409A - Printing apparatus fitted with an automatic feed device for sheets of reamed paper. : en fr
  • US2375007A - Antifoaming composition : en
  • US2374808A - Gravity-fed coal furnace : en
  • CA427148A - Ventilator or window : en fr
  • CH237374A - Device for recording sewing patterns. : de en
  • CH237423A - Stand for geodetic instruments. : de en
  • CH237357A - Holder for milk bottles. : de en
  • CA427218A - Sylvinite ore concentration : en fr
  • US2374996A - Process : en
  • US2375163A - Adhesive composition : en
  • US2374914A - Television pickup tube : en
  • CH237441A - Piston injection pump on injection molding machines. : de en
  • AU2036845A - Graphitic alloy steels and nitrided products made therefrom : en
  • USD141073S - Design fob a separable brooch : en
  • CA427239A - Railway car door actuating mechanism : en fr
  • GB569033A - Improvements in or relating to wings and the like for aircraft : en
  • CA427132A - Cutting machine : en fr
  • USD141061S - Design fob a dress : en
  • FR898691A - Synthetic paraffin oxidation process : en fr
  • FR898692A - Process for increasing the resistance to aging of synthetic lubricating oils : en fr
  • ES168872A1 - A MANUFACTURING PROCEDURE FOR CONTAINERS FOR ALL KINDS OF SOLID LIQUIDS, FATS, WAXES AND OTHER PRODUCTS : en es
  • FR52596E - Process for obtaining tar and solid carbonization coke : en fr
  • US2375145A - Cage for roller bearings : en
  • GB569047A - Vending machine : en
  • ES169307A1 - IMPROVEMENTS INTRODUCED IN THE ROTATING DRUM ASSEMBLY PROVISIONS : en es
  • ES167986A1 - A DEVICE APPLICABLE TO SWITCHES THAT POSE A MULTIPLE COMMON SIGNALING TO SEVERAL SIGNALING DEVICES : en es
  • ES168985A3 - LIQUID PITCHER CAP SYSTEM : en es
  • CA427264A - Closure fastener : en fr
  • CH237547A - Paddle wheel drive for boats. : de en
  • US2375074A - Machine tool : en
  • US2374946A - Interval timer : en
  • US2374969A - Rosin reaction product and method of preparation : en
  • ES8743Y - Roman scale graduated in kilograms and grams. : en es
  • CA427164A - Bus bar duct connector : en fr
  • US2375141A - Cap applying mechanism : en
  • US2374687A - Lockable hasp fastener : en
  • US2374875A - Cable clamp : en
  • US2375067A - Electric cable sheath : en
  • CH237366A - Process for the manufacture of water-soluble products containing cellulose ether in powder form. : de en
  • CA427215A - Lactone preparing process : en fr
  • GB569003A - Improvements in or relating to the preparation of refined products from crude benzole : en
  • US2374761A - Counterbore : en
  • US2374674A - Method for thermal decomposition of metallic nitrates : en
  • USD141047S - Design for a molding for store fronts : en
  • US2374891A - Acylamines of the anthraquinone series and a process for their manufacture : en
  • US2375149A - Abrading machine knee : en
  • USD141032S - Design for a case for coin changing mechanism : en
  • GB569038A - Improvements relating to vehicles : en
  • US2375009A - Process for the purification of magnesium chloride : en
  • US2374676A - Amylaceous reaction products and method for the production thereof : en
  • USD141067S - Design for a tie back : en
  • FR52559E - Process for the production of hydrogen peroxide : en fr
  • FR898747A - Double rotation radial turbine with two running directions : en fr
  • GB569027A - An improved rotary electric switch : en
  • GB569106A - Improvements in the manufacture of soap : en
  • US2374898A - Cabinet locking means : en
  • CH237414A - Method for connecting ski binding cables to sleeves. : de en
  • CH237415A - Return brake on firearms. : de en
  • US2375130A - Relay : en
  • US2374772A - Apparatus for aerating sewage : en
  • US2374876A - Process of recovering carbon dioxide from gases : en
  • US2374939A - Steadier for elongated workpieces and mandrel bars : en
  • US2374945A - Pressure measuring apparatus : en
  • US2374986A - Electric switch construction : en
  • US2374988A - Guard for emery wheels and the like : en
  • USD141085S - Powers .truck : en
  • US2374763A - Enamel coated welded joint : en
  • FR898672A - Bearing : en fr
  • CH237487A - Process for the production of spiraled tungsten filaments. : de en
  • ES169195A3 - A PROCEDURE FOR PRODUCING CINEMATOGRAPHIC FILMS IN COLORS : en es
  • AU1097043A - Improvements in and relating to azimuth mirror stands of nautical andother compasses : en
  • US2375065A - Conveyer : en
  • FR898686A - Basin hot water bottle : en fr
  • FR52637E - Process for preparing isoximes or their hydrolysis products : en fr
  • US2374662A - Induction flatiron : en
  • CA427142A - Draught preventer for doors : en fr
  • CH237465A - Planetary gear type. : en it
  • ES168393A1 - A PROCEDURE FOR DIRECTION, GUIDANCE, INTERFERENCE AND LOCALIZATION OF VEHICLES, ARTIFACTS AND OBJECTS, IN LAND, SEA AND AIR : en es
  • CH237397A - Process for the preparation of a new polyazo dye. : de en
  • CH237516A - Counting device for the value respectively. Quantitative inventory of goods using standard brands. : de en
  • US2374682A - Oil-phosphatide composition : en
  • US2374692A - Oxidized soybean oil and plastic compositions containing the same : en
  • ES168456A1 - A PROCEDURE FOR THE MANUFACTURE OF LIGHT APPLIANCES BASED ON FATS AND POWERS OF INORGANIC SUBSTANCES : en es
  • ES169372A1 - A MACHINE TO CRUSH AND SHAKE OLIVES : en es
  • ES169448A1 - AN INVESTMENT MECHANISM OF THE SENSE OF ROTATION OF THE HUSKS IN THE SELFACTINE MACHINES : en es
  • US2374916A - Apparatus for the reversal of color photographic negatives : en
  • SU64658A1 - Device for drilling vertical workings : en ru
  • US2374710A - Method and means for generating power : en
  • US2375014A - Control mechanism for concrete mixers : en
  • US2375076A - Relief and by-pass valve assembly : en
  • US2374684A - Push-pull electron tube : en
  • ES168148A1 - AN OPTICAL IMAGE FORMER SYSTEM : en es
  • ES11372U - Game with jumping elements. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11339U - Usable calendar to be hung on the wall or to rest on the table. (Machine-translation by Google Translate, not legally binding) : en es
  • US2375082A - Adjustable wrench or pliers : en
  • GB569096A - Production of chlorobutadienes : en
  • USD141035S - Design for a tot tank puzzle : en
  • CA427125A - Urea formaldehyde product : en fr
  • CA427200A - Torsional vibration damper : en fr
  • ES8070Y - New model of metal button caps for lining. : en es
  • CH237532A - Shipping box. : de en
  • US2375165A - Recovery of nitrogenous products from organic wastes : en
  • US2374843A - Synthetic rubber compounding : en
  • USD141052S - Design fob a hair curler : en
  • US2374696A - Self-heating container : en
  • US2374913A - Preparation of lubricating greases and apparatus therefor : en
  • ES8065Y - Special device for fixing an extensible arm in any position around a rotation axis : en es
  • US2375021A - Treatment of hydrocarbons : en
  • FR52576E - Process for the production of superior steels : en fr
  • FR898710A - Cinematographic projection system giving the impression of relief : en fr
  • CH237426A - Detector tubes for gas detectors. : de en
  • ES169287A1 - A PROCEDURE FOR OBTAINING DISSOLUTIONS OF AMILACEOUS BODIES : en es