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