• CH248523A - Exercise device for optical distance measurement. : de en
  • CH248570A - Device for holding the workpiece on copying machines for the production of wooden handles of different cross-sections : de en
  • US2420463A - Apparatus for washing cylinders : en
  • AU124155B2 - Improvements in and relating to composite articles forming structural part for aircraft, helicopters andthe like : en
  • AU133009B2 - Improvements in or relating to baby chairs : en
  • CH248598A - Press basket insert. : de en
  • CA441318A - Engine starter gearing : en fr
  • US2420320A - Ornamental trim ring for vehicle wheels : en
  • US2420465A - Shoemaking : en
  • GB588039A - Improvements in or relating to sifting apparatus : en
  • US2420578A - Condition controlling apparatus : en
  • CH248593A - Gear drive with coaxial input and output. : de en
  • US2420455A - Process of preparing polyamide photographic emulsions : en
  • CH248463A - Shirt collar with lining. : de en
  • CA441379A - Automatic ice maker : en fr
  • GB588136A - Improvements in or relating to agricultural crop-cutting implements : en
  • CH248439A - Cleaning device. : de en
  • US2420504A - Means for grinding screw threads : en
  • CA441294A - Gate lock : en fr
  • CH248652A - Pulse receiver for modulated alternating current pulses. : de en
  • US2420293A - Magnesium base alloys : en
  • US2420346A - Remote speed control of electric motors : en
  • US2420429A - Rotary hydraulic torque converter and fluid coupling : en
  • CH248448A - Method and device for producing a Grègefadens. : de en
  • CH248613A - Set of tariff apparatus. : de en
  • ES14832U - Apparatus for shelling or cutting strips of vegetables. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248467A - Centrifugal separator. : de en
  • US2420560A - Electron microscope : en
  • US2420329A - Lubricant for processing metals : en
  • GB588159A - Improvements in directive antennas : en
  • CA441353A - Rotary pumping apparatus : en fr
  • CH248477A - Process for the preparation of a sulfanilamide derivative. : de en
  • ES173888A3 - IMPROVEMENTS IN THE MECHANISMS FOR PRESSURE LOADING AND ANALOGUE OPERATIONS, PARTICULARLY APPLICABLE TO GARBAGE VEHICLES : en es
  • AU137681B2 - Improvement In radar indicators : en
  • GB588114A - Improvements relating to the pickling or descaling of ferrous metal : en
  • CH248510A - Ski with tread surface. : de en
  • ES13638Y - Device for the automatic conditioning and extraction of toothpicks, cigarettes and similar shaped bodies : en es
  • CH248394A - Coupling device for cattle. : de en
  • AU138612B2 - Improvements in or relating to apparatus and method for injecting moldable material into a mold : en
  • CH248539A - Clock with display device. : de en
  • AU1048947A - Solvent extraction of vegetable oils : en
  • GB588134A - Improvements in or connected with rotary air compressors and motors : en
  • US2420294A - Drive gear mechanism : en
  • US2420536A - Bobbin holder positioning and extracting device : en
  • ES14298Y - Elements for the manufacture of furniture. : en es
  • FR921576A - Process for preparing stable sulfur solutions : en fr
  • CA441404A - Pulse repeating system : en fr
  • AU1310944A - Improvements in and relating to relief valves of hydraulic systems for operating machines : en
  • AU133295B2 - Improvements in conveyors : en
  • US2420347A - Line throwing gun kit : en
  • US2420623A - Process for producing thionyl chloride : en
  • US2420638A - Signaling generator mechanism : en
  • US2420385A - Torsional testing apparatus : en
  • GB588052A - Improvements in tool holders for lathes or the like metal cutting machines : en
  • CA441345A - Acceleration-responsive governor system : en fr
  • ES173954A1 - IMPROVEMENTS IN THE CHANNELS OF CAPTATION OF THE ENERGY OF THE WAVES : en es
  • AU124173B2 - Improvements in or relating to darts : en
  • USD146765S - Design for a mirror frame or the like : en
  • CA441291A - Shoe construction : en fr
  • US2420568A - Rodent and insect poison : en
  • US2420308A - Gel-forming algin composition and method : en
  • ES14074Y - Perfected dropper cap. : en es
  • CH248575A - Collar holder. : de en
  • CH248600A - Liquid pump. : en fr
  • CH248460A - Shirt with a button-off collar. : de en
  • CH248546A - Method for creating a recess on an end turn of a cylindrical wire helix. : de en
  • ES176563A1 - IMPROVEMENTS IN THE VARIABLE SPEED ENERGY TRANSMISSION MECHANISM : en es
  • FR921747A - Multiple combination safety lock : en fr
  • GB588203A - Apparatus for applying adhesive : en
  • FR921065A - : fr
  • GB588230A - Improvements in or relating to shearing and cutting-off apparatus : en
  • US2420387A - Preformed necktie : en
  • ES14277Y - Game or puzzle. : en es
  • GB588041A - Improvements in or relating to the polymerisation of ethenoid compounds : en
  • GB588036A - Improvements in brake operating mechanism : en
  • GB587999A - A non-condensation panel for use in connection with refrigerators or other enclosed compartments : en
  • ES13949Y - Ludo game with operating levers. : en es
  • CH248398A - Poison discharge container. : de en
  • US2420333A - Concentric steering column gearshift support construction : en
  • US2420436A - Temperature control for internalcombustion engines : en
  • US2420628A - Detective camera : en
  • FR921677A - Cellular plastic products, their manufacturing process and their applications : en fr
  • ES14036Y - Hermetic closing cap, with spring. : en es
  • US2420310A - Casing or packaging perishable food products : en
  • US2420538A - Take-up mechanism : en
  • ES14125Y - Closure for bottles, jars or similar containers. : en es
  • GB588212A - Improvements in the manufacture of calcium hypochlorite : en
  • GB587984A - Improvements in door-operating mechanisms for lift doors and the like : en
  • CA441332A - Electrical measuring instrument : en fr
  • ES14908U - Plug socket. (Machine-translation by Google Translate, not legally binding) : en es
  • ES14260Y - Radio condenser. : en es
  • ES14857U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • GB587981A - Improvements in or relating to gas heaters : en
  • GB587988A - Improvements in and relating to the handling and purification of pulverulent material : en
  • US2420530A - Combined implement stabilizing and lifting structure : en
  • FR921552A - Improvements to gas generators : en fr
  • US2420363A - Keyed turnbuckle device : en
  • ES14221Y - Visor-screen apparatus. : en es
  • ES14879U - Threshing machine (Machine-translation by Google Translate, not legally binding) : en es
  • GB588236A - Improvements connected with tools for extracting studs and the like : en
  • ES177382A1 - CONTINUOUS OUTPUT LANCE FOR FOAM, PULVERIZED WATER OR WATER JET : en es
  • GB587980A - Improvements in or relating to dartboards : en
  • GB588223A - Improvements in apparatus for heating or cooling liquids : en
  • US2420514A - Electron lens structure : en
  • US2420549A - Meat treatment : en
  • FR921001A - : fr
  • GB588034A - Improvements relating to the preparation of active iron oxide for the purification of gases : en
  • GB588009A - Improvements in or relating to capacitor discharge electric welding systems : en
  • CH248515A - Indoor play device. : en fr
  • AU1052047A - Improvements in or relating to Liquid Dispensing Apparatus and Method of Dispensing Liquid : en
  • US2420380A - Method and device for weaving on looms with gripper shuttles : en
  • ES14913U - Secafirmas. (Machine-translation by Google Translate, not legally binding) : en es
  • ES14846U - Razor-press to vulcanize patches in the air chambers of the tires. (Machine-translation by Google Translate, not legally binding) : en es
  • GB587992A - Improvements in and relating to the production of organic nitrogen compounds : en
  • ES170565A1 - A PROCEDURE FOR THE MANUFACTURE OF BROOCHES FOR BOOKS AND SIMILAR OF AUTOMATIC CLOSURE AND INVISIBLE MOUNTING : en es
  • ES177496A3 - A PERFECTED PRINTING MACHINE FOR TESTING AND SHORT EDITIONS : en es
  • AU1384244A - Improvements in storage amplifiers and applications thereof : en
  • ES176522A1 - A PROCEDURE FOR THE PRODUCTION OF RAYÓN : en es
  • ES14184Y - Extendable bra for women. : en es
  • ES14834U - Sample case. (Machine-translation by Google Translate, not legally binding) : en es
  • CA441399A - Shiftable socket fastener : en fr
  • ES13591Y - Desktop device for annotations. : en es
  • US2420362A - Diver's light : en
  • US2420546A - Remote control system : en
  • NL59369C - : en
  • US2420398A - Method of operating blast furnaces : en
  • CH248422A - A method of manufacturing a cylinder for a safety lock. : en fr
  • CH248451A - Facility for professional training on hand looms. : de en
  • ES14863U - Floor or metal sole for footwear. (Machine-translation by Google Translate, not legally binding) : en es
  • ES173387A1 - PROCEDURE TO OBTAIN THE PHOTORRELIEVE : en es
  • AU1150647A - Improvements in and relating to circuits for electric discharge lamps : en
  • CH248640A - Process to prevent the development respectively. to kill microorganisms. : de en
  • AU1999445A - Improvements in or relating to darts : en
  • US2420314A - High-frequency resonator-tube : en
  • FR921749A - Improvements to light bending machines : en fr
  • GB588143A - Improvement in polymerisation of ethylene : en
  • IE17693L - Kinematographic apparatus : en
  • US2420394A - Unloading valve for hydraulic circuits : en
  • ES14057Y - Corkscrew. : en es
  • CH248409A - Chimney stone. : de en
  • CH248698A - Process for the preparation of a metallizable disazo dye. : de en
  • CA441341A - Circuit interrupter : en fr
  • US2420596A - Vacuum tube voltage indicator or recorder : en
  • GB588216A - Improvements in electric soldering irons : en
  • US2420334A - Automatic tracking system : en
  • CH248516A - Assembly game. : en fr
  • AU1141047A - Phonograph apparatus : en
  • CH248608A - Method for operating gas turbine systems, in particular for aircraft and water vehicles. : de en
  • ES14044Y - Girdle-panty for sports. : en es
  • ES177506A1 - NEW IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF KEYS : en es
  • US2420509A - Electron computing device : en
  • CH248391A - A method of manufacturing fungicides. : en fr
  • AU138264B2 - Improvements in or relating to display arrangements for electric oscillographs : en
  • CA441384A - Discriminator-rectifier circuit : en fr
  • CH248461A - Diaper. : en fr
  • US2420466A - Welted moccasin and method of making it : en
  • AU1058947A - Improvements relating to automatic selecting switches : en
  • CH248436A - Drawer fittings. : de en
  • ES14091Y - Children's entertainment game. : en es
  • GB588111A - Improvements in and relating to biscuit and like cutting and embossing mechanism : en
  • US2420311A - Conductive shield for external press type electron discharge tubes : en
  • CA441403A - Magnetic body : en fr
  • US2420611A - Antistatic photographic film : en
  • ES14214Y - Socket appliance combined with switch or fuse. : en es
  • ES14256Y - Clutch plates. : en es
  • CH248633A - Catamenial tampon. : en fr
  • FR921651A - Advanced autopilot system : en fr
  • US2420327A - Polymerization of hydrocarbons : en
  • US2420583A - Shoulder pad : en
  • US2420569A - Cap : en
  • GB588020A - Improvements relating to the operation of lift doors : en
  • FR921703A - Protector applicable to the rear wheel of bicycles : en fr
  • CA441367A - Bottle closure : en fr
  • CH248442A - Metal container for cooking, with reinforced bottom, and process for its manufacture. : en fr
  • ES14838U - Brush for the head, with bristles or removable and recambiables tines. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588172A - Improvements in or relating to multi-point electrical connectors : en
  • AU137258B2 - Urea peroxide antiseptics : en
  • CA441310A - Metal or alloy treating process : en fr
  • US2420318A - Handhole closure : en
  • GB587997A - Improvements in inductive windings : en
  • AU124184B2 - Improvements in or relating to mono-chloropyrazine and process of manufacturing thesame : en
  • ES13816Y - New packaging or packaging for suppositories, ovules and similar bodies. : en es
  • FR921619A - Pliers for gluing gummed strips : en fr
  • FR921637A - Swivel seat for use by hairdressers, adapting to the client's seat : en fr
  • AU140195B2 - Improvements in or relating to method of tumbling barrel polishing : en
  • US2420354A - Coupling circuit : en
  • US2420439A - Aircraft range and direction finder : en
  • FR921683A - New highly polymerized synthetic products, their manufacturing process and their applications : en fr
  • US2420408A - Nonoptical radioscope rangefinder : en
  • FR921559A - Colonial air conditioning unit : en fr
  • CH248511A - Ski. : de en
  • ES13934Y - Improved propelling device to make knives, files or other kinds of tools or small tools emerge from a handle or sheath containing them. : en es
  • GB588146A - Improvements in or relating to apparatus for the manufacture of bricks or blocks for use in building construction : en
  • US2420319A - Dirt scraping and hauling vehicle : en
  • CH248524A - Correctable vial setting for tubular vials. : de en
  • GB588017A - Improvements in or relating to heater elements : en
  • US2420484A - Combination lock : en
  • US2420545A - Dental flask : en
  • US2420615A - Manufacture of concentrated coffee extract : en
  • ES14297Y - Union device for hydraulic installations. : en es
  • ES14847U - Rowing. : en es
  • US2420481A - Fusible fire alarm : en
  • AU140957B2 - Improvements in absorption refrigeration apparatus andin cabinets cooled thereby : en
  • CH248619A - Device for reporting interruptions in one or more phases of an asynchronous motor. : de en
  • US2420400A - Cutting element for ice cubing machines : en
  • US2420531A - Ear wire for earrings : en
  • ES14113Y - Rangua for shafts submerged in water or other liquids. : en es
  • US2420593A - Brassiere : en
  • ES13994Y - Trimer for radio. : en es
  • GB588006A - Improvements in or relating to envelopes : en
  • GB588007A - Improvements relating to apparatus for use in the manufacture of toughened glass : en
  • GB588145A - Improvement in fluid pressure control mechanism : en
  • FR921727A - Electric light source : en fr
  • GR11159B - DIGUANIDINE PRODUCTS. : el en
  • ES14096Y - Variable adaptation strainer filter. : en es
  • FR921614A - Further development of tank furnaces intended for the continuous manufacture of glass or vitreous materials : en fr
  • FR921633A - Improved valve and its manufacturing process : en fr
  • GB588188A - Improvements in or relating to a device for guiding roll film onto a reel for development : en
  • ES14129Y - Ironing board. : en es
  • FR921560A - Improvement in the preparation of refractory materials used in the manufacture of agglomerates : en fr
  • FR921744A - Improvements to Electrostatic Electronic Multipliers and Devices Using These Devices : en fr
  • ES14050Y - New brazier with refractory conditions. : en es
  • ES14854U - Variable capacitor for radio receivers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES14213Y - Treatment chair, which can easily be converted into a table for surgical interventions. : en es
  • FR921115A - : fr
  • FR921665A - Improvements in the manufacture of vitamins : en fr
  • US2420516A - Pulse producing system : en
  • US2420566A - Engine driven refrigeration unit : en
  • FR921590A - Improvements in devices with sentry box and cabin for the rescue of persons in a submarine while diving : en fr
  • FR921709A - Process for the preparation of estrogenic compounds and resulting products : en fr
  • FR921738A - Carburetor for all engines : en fr
  • GB588220A - Concrete mixer : en
  • AU1151947A - Improvements in or relating to the production of 3-4-di (aminomethyl)5-amino-6-methyl pyridine and to the production of vitamin Be therefrom : en
  • US2420307A - Portable lamp : en
  • ES14273Y - Doll. : en es
  • ES13590Y - Liquid sprayer. : en es
  • GB587987A - Improvements in pipe and conduit joints : en
  • US2420572A - Tap grinding fixture : en
  • US2420468A - Saw-tooth gage and jointer : en
  • ES14070Y - Fruit chopper. : en es
  • ES14285Y - Electric washing machine for home use. : en es
  • ES176565A1 - DISCHARGE MECHANISM FOR RETRETATE WATER TANKS : en es
  • ES177069A1 - NEW ARMORED FOUNTAIN PEN SYSTEM : en es
  • ES14801U - Cisterna de w. C (Machine-translation by Google Translate, not legally binding) : en es
  • GB588157A - Metal door construction : en
  • GB588190A - Improvements connected with power-operated presses : en
  • ES14090Y - Special device for advertising. : en es
  • GB588058A - Stabilization of vinyl resins : en
  • US2420390A - Drying oil coating compositions : en
  • US2420344A - Beach towel and garment : en
  • ES14264Y - Fountain pen nozzle : en es
  • CA441413A - Centrifugal pendulum : en fr
  • CY66A - Manufacture of new benzenesulphonamido-derivatives : en
  • FR921725A - Plant for the manufacture of prefabricated building elements : en fr
  • ES13437Y - Perfected stereoscope. : en es
  • ES13577Y - Mechanical spice rack. : en es
  • ES174026A1 - A PROCEDURE TO REFRESH AIR : en es
  • FR921580A - Manufacture of potassium sulphate by precipitation, from potassium chloride, without the use of sulfuric acid, with method of returning to potassium chloride : en fr
  • ES14784U - Rolling and folding chair for children. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921592A - Materials for the preparation in sheets of filiform or fibrous reinforcements intended to receive plastic impregnations : en fr
  • GB588042A - Gate or door fastener : en
  • CH248559A - Press board made of wood parts and binders and process for their production. : de en
  • CH248670A - Switching device for change gears, in particular for bicycles and motorcycles. : de en
  • US2420401A - Centrifugal pump : en
  • FR921622A - Method and apparatus for distributing wind to cupolas and like furnaces : en fr
  • US2420422A - Pedal-operated aquatic vehicle : en
  • US2420454A - Two-cycle engine : en
  • USD146763S - Design for a boot or similar article : en
  • CH248587A - Hand device with motor drive. : de en
  • CH248705A - Process for the preparation of a copper-containing disazo dye. : de en
  • ES14248Y - Squeeze lemons in the shape of a pliers. : en es
  • ES177498A1 - A PROCEDURE FOR OBTAINING ADDITION PRODUCTS URE-PEROXIDE HYDROGEN : en es
  • ES176026A1 - A PROCEDURE FOR THE PRODUCTION OF SEAMLESS STEEL TUBES, ACCORDING TO THE PUSH BENCH SYSTEM : en es
  • ES14287Y - mechanical pencil with automatic lead change. : en es
  • IE18288L - Dentrifices : en
  • ES176966A1 - CLOSURE MECHANISMS FOR CANNONS : en es
  • US2420467A - Self-synchronously controlled induction motor follow-up apparatus : en
  • US2420595A - Shuttle crane : en
  • ES13971Y - Children's car. : en es
  • ES14831U - Bottle holder for domestic uses. - (Machine-translation by Google Translate, not legally binding) : en es
  • GB588075A - Improvements in or relating to chemical heating charges for use in chemical immersion heaters for comestibles, and to the production of said charges : en
  • ES177513A1 - A DOUBLE-EFFECT, REGULATING DAMPING DEVICE FOR MECHANICAL TRACTION VEHICLES : en es
  • GB588125A - Improvements in and relating to top-pieces for the heels of boots and shoes : en
  • GB588208A - Improvements in or relating to marquees and like tents : en
  • GB588222A - An improved construction of screen for sifting or sorting : en
  • GB588000A - Improvements relating to small synchronous electric motors : en
  • IE19494L - Automatic exchange systems. : en
  • GB588224A - Improved oil filter : en
  • ES14121Y - Brooch perfected for garters for women or men. : en es
  • FR921599A - Application to the manufacture of ribs tips by bending the sheet : en fr
  • FR921578A - Manufacture of a very flexible wheel tire in elastic material : en fr
  • USD146764S - Design for a clip ob similar article : en
  • CA441287A - Shoe heel : en fr
  • AU1057447A - Apparatus for controlling centrifugal formation of sheet material : en
  • ES14003Y - Perfected date calculator. : en es
  • GB588166A - Improvements in connection with vessels for melting metal or for containing molten metal : en
  • US2420498A - Tying machine : en
  • ES13439Y - Circular rolled gasket for engine spark plugs. : en es
  • FR921716A - Apparatus for the storage of gases and liquids : en fr
  • FR921660A - Improvements to children's chairs : en fr
  • GB588030A - Improvements in or relating to systems for stopping induction motors : en
  • CH248517A - Toy animal figure. : de en
  • CH248684A - Process for the production of a new condensation product. : de en
  • USD146780S - Design fok an ash eray : en
  • ES13973Y - Deformable bib, for combinations or similar female garments. : en es
  • CH248579A - Electric torch lighter. : en fr
  • AU1148147A - Improvements in or relating to composite materials : en
  • CH248445A - Tight-closing container. : en fr
  • ES11151Y - Removable portable display case in the form of a bottle or container. : en es
  • CA441401A - Quinoline substituted dihydropyridine : en fr
  • CH248695A - Process for the production of a metallizable polyazo dye. : de en
  • FR921690A - Rat trap : en fr
  • GB588037A - Process for the separation of c diolefins from mixtures thereof with other hydrocarbons : en
  • US2420326A - Sewage disposal : en
  • FR921698A - Ash container or tray, more particularly for domestic use : en fr
  • ES14002Y - Toy car, operated by levers, capable of three seats. : en es
  • GB588199A - A system for controlling the movement of a rotatable member through a predetermined arc of movement : en
  • US2420317A - Antitank mine actuator : en
  • ES173889A3 - IMPROVEMENTS IN VEHICLES FOR THE TRANSPORTATION OF HOUSEHOLD WASTE AND OTHER SIMILAR MATERIALS : en es
  • GB588032A - Manufacture of esters of tertiaryamino alcohols : en
  • CH248449A - Loading device for drafting equipment. : de en
  • ES11037Y - New tailoring system. : en es
  • AU137443B2 - Improvements in or relating to coating compositions : en
  • CH248404A - Device for fastening window or door frames in masonry. : de en
  • CH248479A - Process for the preparation of aniline-N-d-riboside. : de en
  • AU138667B2 - Improvements in or relating to phonographs : en
  • AU124176B2 - Improved lubricating and corrosion protection compositions and process for producing them : en
  • CA441295A - Fishing lure : en fr
  • GB588123A - Improvements relating to conduit fittings for electric conductors : en
  • CA441369A - Loading machine : en fr
  • US2420580A - Magnetometer : en
  • FR921564A - Stripping compositions for homogeneous soldering and sealing and processes for their manufacture : en fr
  • GB588122A - Improvements in or relating to electromagnetic wave guides : en
  • CH248664A - Umbrella for strollers. : de en
  • AU2005045A - Improvements relating to roller hearth continuous furnaces : en
  • CH248709A - Standing firebox kettle. : de en
  • US2420301A - Venetian blind : en
  • AU1478644A - Improvements in and relating to luminescent materials : en
  • AU1151347A - Controller unit : en
  • FR921636A - Manufacturing process of antiseptic preparations : en fr
  • GB588028A - Improvements in or relating to stropping apparatus for razor blades : en
  • CH248413A - Concrete pipe, molded in borehole with internal sealing shielding, and method for establishing this pipe. : en fr
  • CH248582A - Lighter. : de en
  • CH248628A - Rectangular plate made of refractory material. : de en
  • AU1055747A - Improvements in or relating to screw and nut transmission mechanism : en
  • GB588112A - Improvements in variable-pitch airscrews : en
  • AU133732B2 - Improvements in conveyors : en
  • AU137260B2 - Improvements in or relating to aircraft having pressurized cabins : en
  • US2420328A - Lubricant for processing metals : en
  • ES176940A1 - IMPROVEMENTS IN CANNONS : en es
  • AU1937545A - Hardening of wood : en
  • CH248674A - Brake pad. : en fr
  • AU135550B2 - Improvements in or relating to photogrammetric apparatus : en
  • US2420435A - Watch strap : en
  • FR921707A - Improvements to catalytic polymerization processes : en fr
  • US2420490A - delta-pregnenediols and process for producing the same : en
  • CH248428A - Egg capping device. : de en
  • ES13580Y - Match girl. : en es
  • ES14168Y - Installations of light signals for the protection of pedestrians on the stops and sidewalks. : en es
  • US2420312A - Frequency regulator : en
  • AU136844B2 - Improvements in or relating to composite materials : en
  • CH248425A - Electric grill. : de en
  • CH248440A - Toilet seat. : de en
  • ES177503A2 - IMPROVEMENTS IN MECHANISMS DESIGNED TO VIBRATE CONCRETE, MORTAR AND SIMILAR MATERIALS : en es
  • AU1475844A - Improved apparatus for use in extinguishing grass fires andthe like : en
  • CH248472A - Process for the production of long-life onion cutlets. : de en
  • CH248606A - Gaseous pressure generator device for driving gaseous pressure engines. : en it
  • AU1057647A - Resin bonded cord and rubber articles incorporating same : en
  • CH248568A - Hammer for driving nails. : en fr
  • CH248545A - Process for the production of a metal object by impact extrusion and the object produced by means of this process. : de en
  • CH248565A - Shaving head for razors. : de en
  • CH248625A - Contact device with a contact spring group for relays and similar switching devices. : de en
  • ES175772A3 - A MACHINE FOR POLISHING AND FINISHING PIECES CONSTITUTED BY PRESSING CORK, WOOD OR OTHER MATERIALS, AGGLOMERATE : en es
  • CA441284A - Film continuous processing : en fr
  • CA441316A - Automatic control for carburetor choke valves : en fr
  • CA441301A - Baling machine : en fr
  • CH248508A - Orientation board. : de en
  • AU139880B2 - Improvements in or relating to methyl silicone coating compositions and articles made therefrom : en
  • CH248534A - Non-metallic middle part of glasses consisting of frame rings and nose bridge. : de en
  • ES14881U - Blowjob - rattle (Machine-translation by Google Translate, not legally binding) : en es
  • CA441303A - Fishing plug : en fr
  • FR921571A - Gasifier with nozzle and continuous operation : en fr
  • AU1573544A - Improvements in or relating to planters : en
  • CH248426A - Set of appliances for household uses, for example cooking. : en fr
  • ES13611Y - Support case for children's publications : en es
  • ES13592Y - Automatic stopper for bottles, jars and the like. : en es
  • US2420457A - Facsimile recorder : en
  • ES14833U - Shaving machine, with vibrating movement of the handle and the blade. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921646A - Improvements to test devices for electric ignition systems of internal combustion engines : en fr
  • CA441355A - Television signal control circuit : en fr
  • CH248612A - Process for the depolarization of galvanic elements with water-soluble substances. : de en
  • US2420330A - Vinyl chloride copolymer and process for making it : en
  • AU1151647A - Improvements in or relating toa noise reduction system : en
  • AU124154B2 - Improvements in or relating to planters : en
  • FR921736A - Improvements to oar clamps : en fr
  • FR921705A - Process and machine for the manufacture of profiled filaments, resulting products and their applications : en fr
  • GB588063A - Improvements relating to testing arrangements in electric selective switching systems : en
  • FR921604A - Hydrochloric acid production process : en fr
  • FR921566A - Process for extracting alcohol from a wild plant : en fr
  • ES13149Y - Automatic locking nut. : en es
  • ES14072Y - Handle for ski poles. : en es
  • CH248424A - Grid for furnace hearth. : en fr
  • CA441414A - Visible index signal lock : en fr
  • CH248561A - Grinding machine. : en fr
  • USD146778S - Design for a jewelry finding : en
  • FR921607A - Adhesive and water-repellent product, resistant to insects and corrosive agents, usable as a protective coating and sealant for all materials : en fr
  • US2420622A - Pump with pressure loaded bushing : en
  • GB588154A - Improvements in rotary feeding and discharging apparatus : en
  • ES14166Y - Reel fixing device, applicable to winding machines and bobbins. : en es
  • GB587986A - Improvements in or relating to continuous business stationery consisting of invoices and other business forms : en
  • GB588056A - Machines for winding rings with flexible winding material : en
  • GB588124A - Improvements in and connected with vacuum cleaners or sweepers : en
  • ES12960Y - Neck tensioner. : en es
  • AU124178B2 - C. Production of hydrocarbons : en
  • ES13993Y - Last. : en es
  • AU128826B2 - An improved saucepan : en
  • US2420535A - Electrical heating apparatus : en
  • US2420557A - Impeller pump : en
  • US2420321A - Wheel trim : en
  • ES14274Y - Extendable hanger perfected for garments. : en es
  • CA441358A - Coolant contained valve : en fr
  • CH248392A - Portable sprayer. : en fr
  • NL59497C - Device with an eddy current coupling fitted between an alternating current motor and its load : en nl
  • ES14067Y - Footwear article. : en es
  • FR921655A - Magnetic deflection device for electronic discharge devices : en fr
  • US2420488A - Method of forming laminated hollow structures : en
  • GB588046A - Improvements in or relating to locks : en
  • US2420499A - Process of esterifying cellulose fibers : en
  • NL59417C - Process for separating milk into whey and casein : en nl
  • ES177067A3 - A PROCEDURE FOR OBTAINING PHOSPHORIC LUMINOSITY, VISIBLE IN THE DARK, OF OBJECTS FOR VARIOUS ELECTRICAL OR MECHANICAL APPLICATIONS : en es
  • GB588053A - Improvements in or relating to a method of and means for sealing parcels, bags and other containers : en
  • GB588178A - Improvements in or connected with electro-magnetic pick-up devices for use with stringed musical instruments : en
  • GB588102A - Improvements in or relating to pump and motor assemblies : en
  • GB588129A - Improvements in or relating to tobacco cutting machines : en
  • ES13325Y - Plates for commercial claim in general, and particularly for calendars. : en es
  • GB587989A - Improvements relating to the brewing of beer : en
  • FR921562A - Device applicable to machines for digging pieces of wood and intended to obtain the digging according to any given profile : en fr
  • US2420604A - Adhesive wrapping tape : en
  • ES14227Y - Device for the hermetic sealing of perforated crown plug or provided with one or more holes. : en es
  • US2420451A - Fish lure : en
  • FR921711A - Self-adjusting diffuser for centrifugal pumps : en fr
  • GR11162B - PERFECTIONS IN OR IN RELATION TO A FOLLOWER USED IN TOOLS FOR THE APPLICATION OF FLUID MATERIAL WHICH RAISES. : el en
  • FR921717A - Control unit for circuits carrying alternating electric currents : en fr
  • GB588086A - Improvements relating to combustion apparatus : en
  • GB588165A - Manufacture of new azo-dyestuffs : en
  • GB588002A - Improvements in and relating to metal-working tools : en
  • ES176400A1 - A PROCEDURE TO DRY THREADS IN THE FORM OF PACKAGES : en es
  • GB588227A - Improvements relating to control apparatus for alternating electric current circuits : en
  • US2420602A - Electrolytic cleaning process : en
  • US2420500A - Rotary cultivator : en
  • US2420302A - Impulse generator : en
  • US2420393A - Means for the handling of fish meal and the like : en
  • US2420503A - Optical reticle : en
  • ES177271A1 - IMPROVEMENTS IN THE CONSTRUCTION OF MANUAL MACHINES FOR THE PLACEMENT OF STAPLES IN PNEUMATIC WHEELS OR WITH OTHER PURPOSES : en es
  • ES8427Y - Perfected truss apparatus. : en es
  • US2420352A - Temperature controlling device : en
  • USD146775S - Design for a lapel pin : en
  • ES12294Y - Skill toy. : en es
  • AU135307B2 - Improvements relating to automatic selecting switches : en
  • CH248432A - Bed. : de en
  • CH248632A - A heater which, in an operating position, produces a stream of hot air. : en fr
  • AU1154647A - Improvements in or relating to turbine lubrication systems : en
  • ES14873U - Capping device (Machine-translation by Google Translate, not legally binding) : en es
  • ES176241A1 - AN IMPROVEMENT IN THE PROPULSION SYSTEM FOR AUTOMOBILES : en es
  • ES13967Y - Detachable laboratory support. : en es
  • FR921701A - safety detention screen : en fr
  • US2420388A - Apparatus for feeding granular material into a fluid stream : en
  • CH248555A - Wood planer. : de en
  • US2420377A - Method of brightening tinned strip : en
  • GB588038A - Improvements in control systems for electric motors : en
  • FR921743A - Device for opening cans : en fr
  • GB588189A - Appliance for inserting sealing pins into tubular rivets, driving tacks or nails and like purposes : en
  • IE19479L - Automatic exchange systems. : en
  • ES14000Y - Machine to divide bread and sponge dough into pieces. : en es
  • ES13937Y - Improved low pressure gasoline or benzol gasifier. : en es
  • US2420620A - Coating machine for collapsible tubes : en
  • AU1666644A - Improved combination nail file and holder : en
  • AU131285B2 - A lavatory seat attachment fora child : en
  • CH248533A - Instrument for determining colors. : de en
  • AU1937645A - Improvements in and relating tothe manufacture of formaldehyde : en
  • CA441346A - Motor control system : en fr
  • CH248408A - Wall support part for girders of wall scaffolding. : de en
  • US2420299A - Transfer mechanism : en
  • CA441299A - Loading device : en fr
  • AU137653B2 - Improvements in or relating toa noise reduction system : en
  • CH248602A - Process for the compression and ignition of the fuel mixture in internal combustion engines, in particular in jet engines, and internal combustion engine for carrying out the process. : en it
  • CA441408A - Dump truck hydraulic control : en fr
  • NL60852C - : en
  • US2420303A - Stable frequency conversion system : en
  • US2420332A - Means for constructing air-cooled cylinders : en
  • CA441329A - Pulse generating system : en fr
  • CA441338A - Circuit interrupter : en fr
  • CH248688A - Process for the production of an intermediate product. : de en
  • CA441292A - Traction device for driven vehicle wheels : en fr
  • US2420632A - Cracking of hydrocarbon oils : en
  • CH248551A - Transmission. : de en
  • CA441319A - Lubricated piston : en fr
  • CH248430A - Preparations for cleaning precious metals. : de en
  • AU143906B2 - Broadband antenna matching : en
  • ES13600Y - Quadrangular junction, derivation or connection box. : en es
  • AU138985B2 - Improvements in and relating to fluorescent lamps : en
  • AU124169B2 - Hardening of wood : en
  • AU346846A - Improvements in and relating to doorhandles andthe like : en
  • CA441361A - Television colour flicker reducing apparatus : en fr
  • US2420392A - Foundry sand reclaiming system and method : en
  • GB588152A - Improvements in and relating to a combination steam ironing unit : en
  • FR921551A - Improvement in the heating of devices distributing molten glass in the form of charges or parisons : en fr
  • US2420547A - Profile milling machine : en
  • AU1147847A - Improvements in or relating to oscillation generators : en
  • CA441344A - Thermostatic cutout : en fr
  • CH248650A - Two-tone signaling device. : en fr
  • ES13966Y - Multiple paperweights. : en es
  • ES14892U - Double door for gasifiers of stoves, heaters and stoves. (Machine-translation by Google Translate, not legally binding) : en es
  • ES14910U - Grid knitting machine. (Machine-translation by Google Translate, not legally binding) : en es
  • CA441298A - Tie lifter : en fr
  • CH248468A - Device for the separation of admixtures from a gaseous conveying medium. : de en
  • CH248687A - Process for the preparation of a new stearic acid polyglycol ester. : de en
  • CA441380A - Fabric pressing machine : en fr
  • CH248410A - Tension-free chimney with double air jacket. : de en
  • CH248444A - Container closure. : de en
  • ES14058Y - Mold holder tray for dental prostheses. : en es
  • GB588023A - Improvements in the seaming of woven wire cloth : en
  • US2420513A - Stop motion mechanism : en
  • USRE22879E - Beverage production : en
  • CA441363A - Lubricant flow system to filter : en fr
  • CA441412A - Artificial staple fibres fluffing up process : en fr
  • CH248547A - Machine with two turning centers. : de en
  • CH248580A - Wick holder for lighters. : en fr
  • CA441323A - Electric control circuit : en fr
  • CH248660A - Advertising and signaling apparatus. : de en
  • US2420576A - Comb and case therefor : en
  • ES14843U - Tensor for saws. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921704A - Automatic focus control of a mobile cinematographic device : en fr
  • ES13450Y - Crease-free collar for shirts. : en es
  • FR921597A - Preparation of sodium carbonate by calcining the corresponding acetate : en fr
  • FR921670A - Electric clock or pendulum : en fr
  • US2420582A - Dehorning paste applier having a serrated edge : en
  • GB588196A - Improvements in bottle caps or closures : en
  • AU124156B2 - Improvements in and relating to relief valves of hydraulic systems for operating machines : en
  • CA441394A - Measuring apparatus : en fr
  • ES176450A1 - PROCEDURE FOR THE EXTRACTION OF CHROME SALTS, CHROMATS, BICROMATOS AND PURE CHROME : en es
  • NL59382C - : en
  • ES14912U - Bottle to contain liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588061A - Improvements in strain gauges : en
  • GB588147A - Improvements in seats : en
  • CH248566A - Device serving as packaging for a single razor blade. : de en
  • CH248642A - Powder compact for the feminine toilet. : en fr
  • GB587994A - Improvements relating to stoppers for bottles and other containers : en
  • US2420397A - Hand abrader : en
  • US2420426A - Compressor : en
  • CA441337A - Electro-mechanical vibrator : en fr
  • FR921649A - Advanced machine for mining : en fr
  • CH248529A - Optical reading device on a scale. : de en
  • CH248518A - Spray gun with liquid cartridge. : de en
  • GB588161A - Improvements in or relating to kettles : en
  • FR921715A - Coat rack or hanger : en fr
  • GB588127A - Improvements relating to the protection of ferrous metal against corrosion : en
  • US2420581A - Transmission for steam or internalcombustion engines : en
  • CH248469A - Device for forming and baking moldings made of plastic material. : de en
  • CH248530A - Blind over-consumption meter. : de en
  • US2420512A - Method for forming and assembling inner spring constructions : en
  • US2420434A - 2-amino-5-alkenyl-1, 3, 4 thiadiazoles and process for making the same : en
  • US2420624A - Boiler feed-water system : en
  • US2420368A - Apparatus for coating aggregates : en
  • US2420405A - Transfer molding press : en
  • US2420359A - Method of making dies : en
  • CH248562A - Procédé de nettoyage et réfection de surfaces non crépies de constructions civiles, à l'exception de surfaces métalliques. : de en fr
  • ES14893U - Butada - folding rocking chair (Machine-translation by Google Translate, not legally binding) : en es
  • GB588104A - Steroid degradation products and method of their production and use : en
  • GB588138A - Improvements in gun turrets : en
  • ES176451A1 - PROCEDURE FOR THE OBTAINING OF CONCENTRATED SULFURIC ACID (OLÉUM) VIA CATALYTIC : en es
  • GB588093A - Improvements in apparatus for testing the physical qualities of materials : en
  • FR921584A - Process for the manufacture of sodium carbonate by the action of carbon dioxide and water vapor on sodium chloride with production of hydrochloric acid : en fr
  • CH248464A - Multiple stitched shoe. : de en
  • CH248623A - Low voltage plug-in fuse. : de en
  • ES14215Y - Plug fuse with multiple fuse elements. : en es
  • FR921668A - Convertible clothing : en fr
  • FR921594A - Manufacture of neutral and acidic sodium sulphates by hot aqueous route : en fr
  • FR921639A - One-piece construction : en fr
  • FR921615A - Variable speed epicyclic belt train : en fr
  • FR921721A - Improvements to sealing gaskets : en fr
  • ES13992Y - Metal rim for bicycle, motorcycle and similar wheels. : en es
  • GB588139A - Improvements in, or relating to, cutting, shredding or mincing machines : en
  • ES177075A3 - IMPROVEMENTS IN THE EMBROIDERY SYSTEMS : en es
  • GB588029A - Film : en
  • GB587991A - Improvements in or relating to rotary drum apparatus for use in washing machines, cleaning machines and the like : en
  • US2420300A - Electric overload protective device : en
  • AU135168B2 - Apparatus for controlling centrifugal formation of sheet material : en
  • CA441393A - Cement manufacture : en fr
  • CH248429A - Household appliance for storing knives after use. : en fr
  • ES14042Y - Hood or front perfected for motor vehicles of all classes. : en es
  • ES176983A1 - MUNCHING AND CANOPY MECHANISMS : en es
  • ES177159A1 - PERFECT MACHINE FOR MOLTURING AND SHREDDING : en es
  • ES177507A1 - A PROCEDURE FOR PRODUCING C-NITROSARYLAMINES : en es
  • CH248637A - Process for the preparation of a basic amide of a 2-thioalkyl-cinchoninic acid. : de en
  • ES14289Y - Cardboard and cork crown cap. : en es
  • ES13814Y - Extendable element for various fasteners. : en es
  • US2420367A - Fluffing up artificial staple fibers : en
  • GB587983A - Parachute mechanism : en
  • ES176490A3 - A PROCEDURE FOR THE MANUFACTURE OF OBJECTS OF PHOSPHORESCENT PLASTIC MATERIAL : en es
  • CA441365A - Titanium sulphate solution manufacture : en fr
  • AU136625B2 - Production of nitric oxide : en
  • CH248554A - Advancement device for reciprocating saws. : en fr
  • CA441289A - Container and dispenser for liquids : en fr
  • CH248385A - Two-wheeled multiple device, especially for growing potatoes, beets and grains. : de en
  • CH248586A - Shock absorber device. : en fr
  • GB587977A - Improvements in or relating to the production of polymeric materials : en
  • GB587982A - Improvements in or relating to resilient mountings : en
  • US2420533A - Walk for railway house cars : en
  • USD146777S - Design for a figurine or the like : en
  • GB588177A - Improvements in and relating to electrical contact elements or blanks : en
  • CH248521A - Measuring device. : de en
  • CH248553A - Vertical planer. : de en
  • ES14257Y - Automatic safety switch. : en es
  • AU124162B2 - Improvements in or relating to indirectly heated cathodes for electron discharge devices : en
  • CH248646A - Device for identifying an object such as an umbrella, cane, etc. : en fr
  • CH248678A - Shock absorber, in particular for aircraft landing gear. : en fr
  • AU1056047A - Improvements in or relating to means or devices for protecting the tyres of motor andother vehicles : en
  • AU1526944A - Improved lubricating and corrosion protection compositions and process for producing them : en
  • CH248411A - Device for connecting abutting rail ends, in particular for taxiways. : de en
  • AU1057747A - Method of preparing linear polyesters : en
  • CA441378A - Paper can handle : en fr
  • CH248437A - Portable easel for painter. : en fr
  • CH248577A - Wick replacement device in pocket lighters. : de en
  • CA441302A - Anti-slip attachment : en fr
  • US2420515A - Pressure governor control mechanism : en
  • CA441333A - Dynamoelectric machine : en fr
  • CH248454A - Set of elements for knitting works. : en fr
  • ES13822Y - Can opener utensil. : en es
  • ES13975Y - Cutter for glass ampoules. : en es
  • ES14889U - Perfect fork. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248541A - Method and device for controlling electrical slave clocks by means of alternating current pulses controlled by a master clock. : de en
  • CH248620A - Multi-phase power transformer for quenching the earth fault current with a neutral point voltage that is lower than the phase voltage of the system. : de en
  • US2420407A - High-tension magneto : en
  • US2420480A - Stitch regulating and reversing mechanism for sewing machines : en
  • AU124166B2 - Combination digging tool : en
  • CH248475A - Process for the manufacture of basic calcium chlorate. : en fr
  • CH248645A - Extinguishing product, process for preparing this product and apparatus for carrying out this process. : en fr
  • CH248681A - Process for the production of a water repellent. : de en
  • US2420491A - Process for preparing progesterone : en
  • CH248537A - Anchor escapement wheel. : en fr
  • CA441288A - Riveting and punching machine : en fr
  • AU124152B2 - Improvements in or relating to box making system and method : en
  • US2420406A - Pulsator-type fluid motor for power-driven saws : en
  • US2420448A - Telescopic bathtub : en
  • US2420486A - Garment : en
  • AU135345B2 - Improvements in and relating tothe production of nitrogen dioxide from gases containing nitric oxide : en
  • CA441300A - Advertising or display device : en fr
  • CH248532A - Electromechanical converter based on the electromagnetic principle for audio-frequency vibrations. : de en
  • CH248420A - Concrete mixer. : de en
  • CH248495A - Holder with leaves. : de en
  • CA441370A - Mix-consistency indicator for concrete mixers : en fr
  • CA441372A - Machine for producing toothed discs : en fr
  • AU1927245A - Improvements in and relating tob andor conveyor ovens andthe like : en
  • AU1565344A - Improvements in or relating to lifting jacks : en
  • US2420608A - Protractor for use in navigation : en
  • US2420635A - Window seat : en
  • CH248416A - Electric heating element. : en fr
  • CH248663A - Mobile frame for market nets and the like. : de en
  • CH248522A - Device for the detection of fluctuations in the circumference of rotating wheels or disks. : de en
  • CA441296A - Rotary barrel gun : en fr
  • US2420437A - Disk harrow : en
  • US2420556A - Pump : en
  • US2420369A - Acid alkylation of isoparaffins : en
  • CH248654A - Circuit arrangement for pulse correction. : de en
  • USD146766S - Design for a suit : en
  • FR921617A - Phonograph with automatic record changer : en fr
  • FR921623A - Advanced process for the production of anhydrous magnesium chloride : en fr
  • GB588055A - Improvements in or relating to power transmission devices : en
  • ES14882U - Improved cannula (Machine-translation by Google Translate, not legally binding) : en es
  • FR921602A - Crepe rubber clothing and blankets : en fr
  • ES14296Y - Regulating valve. : en es
  • FR921612A - Improvement in assembly devices applicable to removable heels for shoes : en fr
  • GB588174A - Improvements in regulating valves : en
  • ES175795A1 - IMPROVEMENTS MADE IN THE MANUFACTURING OF TUBULAR METAL STRUCTURES, SUCH AS BICYCLE FRAMES : en es
  • FR921699A - Device allowing by its application the rapid drying of the lacquering giving it a very bright and unalterable shine : en fr
  • GB588062A - Improvements in heat exchangers : en
  • ES176953A1 - IMPROVEMENTS INTRODUCED IN BELT TRANSPATORS : en es
  • CH248626A - Ignition and excitation transformer arrangement for multi-phase fed rectifiers. : de en
  • US2420432A - Electrical injection timing : en
  • GB588096A - Improvements in or relating to internal combustion turbine power plants : en
  • ES14895U - Express siphon for the domestic production of sparkling wines. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177494A1 - A SYSTEM FOR QUICK SETTING OF CONCRETE PARTS : en es
  • FR921722A - Aviation propeller improvements : en fr
  • FR921710A - Advanced flying machine : en fr
  • ES13997Y - Clothes iron. : en es
  • ES14883U - Boxes applicable to equipment for electric welding. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921741A - Process for preparing thermoplastic masses and resulting new product : en fr
  • US2420353A - Inspection hole cover for motor vehicle brake casings : en
  • US2420589A - Valve : en
  • ES14856U - Brush holder to clean crystals. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588068A - Improvements relating to protective apparatus for poly-phase electricity distributing systems : en
  • ES176863A1 - IMPROVEMENTS IN THE DEVICES FOR ARMING AND REINFORCING THE FOOTWEAR OUTSIDE : en es
  • FR921587A - Double or triple glazed cross hinges : en fr
  • US2420349A - Schmidt's optical system comprising a correction element : en
  • ES14216Y - Mold for the manufacture of frozen block sweets. : en es
  • ES14301Y - Vault for construction. : en es
  • AU136349B2 - Improvements in and relating to circuits for electric discharge lamps : en
  • ES175987A1 - MOBILE DAM : en es
  • FR921616A - Adjustable clip for glasses, mirrors and the like : en fr
  • GB588187A - Improvements in pulse echo distance measuring devices : en
  • ES14823U - Cork disc for crown cap. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177510A1 - A PROCEDURE FOR OBTAINING SULFURIC ACID AND SODIUM CHLORIDE : en es
  • ES14660U - Current limiter (Machine-translation by Google Translate, not legally binding) : en es
  • ES14062Y - Clamp or coupler for tubular steel scaffolds. : en es
  • ES13635Y - Device to achieve regular pleats in the form of a bellows or accordion in curtains and the like. : en es
  • GB588099A - : en
  • ES14060Y - Rolling vehicle forming a movie theater. : en es
  • ES176511A1 - PROCEDURE FOR THE MANUFACTURE OF NON-METALLIC MATERIALS FOR RESISTANCE AND ELECTRICAL HEATING : en es
  • FR921730A - Separation by rectification of mixtures comprising carbon dioxide, ethane and ethylene : en fr
  • US2420588A - Plural way valve : en
  • US2420571A - Gain-controlling system for seismographs : en
  • AU136441B2 - Solvent extraction of vegetable oils : en
  • CH248651A - Constant frequency current generator. : en fr
  • FR921687A - Method and apparatus for the manufacture of tapered filaments and resulting products : en fr
  • CH248535A - Shooting glasses. : de en
  • US2420540A - Cupreous powder and method of making the same : en
  • ES14278Y - Hinge. : en es
  • US2420460A - Carton divider : en
  • GB588195A - A paper-knife or envelope opener : en
  • GB588197A - Improvements in and relating to sparking plugs : en
  • ES14850U - Improved weight for fishing lines. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248672A - Cardan-type device for power transmission between two shafts. : de en
  • ES14073Y - Extra-light stamped drive pulleys. : en es
  • ES13628Y - Perfected glass ampoule. : en es
  • FR921712A - Arrangement of valves with device for controlling the opening or closing of the wedge : en fr
  • ES14119Y - Table-desk. : en es
  • ES177383A1 - METHOD OF OBTAINING A SPRAYED LIQUID JET FOR FIRE EXTINGUISHMENT : en es
  • ES11064Y - A cigarette made from squared cut tobacco : en es
  • ES14061Y - Diaper. : en es
  • US2420420A - Self-priming centrifugal pump : en
  • US2420591A - Snow plow : en
  • FR921609A - Mechanical process of dissociation of the constituent elements of wood: cellulose and vasculosis : en fr
  • FR921591A - Improvements to magnetic flywheels : en fr
  • FR921650A - Advanced gyro flight indicator : en fr
  • FR921713A - Improvements to and relating to time or time relays or switches : en fr
  • GB587993A - Improvements in aircraft control systems : en
  • FR921601A - Ventilation system : en fr
  • ES13610Y - Nut or flange to attach the saddle to bicycles. : en es
  • ES13925Y - Hygienic ashtray : en es
  • ES14049Y - Types of printing press for the blind. : en es
  • ES14196Y - Automatic folding device to handle passengers in transport vehicles. : en es
  • GB588180A - Improvements in or relating to casement, transom and the like windows : en
  • ES177457A3 - GRASS MOWER, PEFECTED : en es
  • ES177518A3 - AN ELECTRIC WELDING DEVICE : en es
  • GB588103A - Manufacture of trisazo-dyestuffs : en
  • US2420621A - Socket assembly : en
  • US2420543A - Dual cornhusking unit for multiple row corn pickers : en
  • ES14848U - Brocal for metal drums. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588004A - Improvements in and relating to high pressure relief valves : en
  • GB588089A - Improved process and apparatus for carrying out reactions with carbonaceous material : en
  • US2420586A - Colon therapy apparatus : en
  • CA441331A - Plasticized vinyl compound : en fr
  • ES13923Y - Automatic rolling meter. : en es
  • AU875946A - Improvements in crop lifters of harvester combs : en
  • CA441362A - Trailer hitch : en fr
  • CA441400A - Crystal pick-up unit : en fr
  • CH248576A - Pocket lighter. : de en
  • US2420342A - High frequency continuous amplifier : en
  • CA441410A - Fluid temperature controlling device : en fr
  • CH248589A - Connecting sleeve for a battery of taps, method for its manufacture and apparatus for carrying out this method. : en fr
  • CA441359A - Can opener : en fr
  • FR921689A - Device to gauge or calibrate : en fr
  • US2420372A - Leak tester for therapeutic masks : en
  • USD146767S - Design for a suit : en
  • AU1057347A - Female jig for centrifugal formation of sheet thermoplastics : en
  • US2420355A - Moistening apparatus for knitting yarns : en
  • CH248390A - Shears. : en fr
  • GB588040A - Improvements in or relating to chlorite solutions : en
  • GB588090A - Improvements in or relating to the production of lubricating oil compositions and ofadditives therefor : en
  • US2420609A - Translating circuit and apparatus for portable electrical devices : en
  • ES13093Y - Improved metal rim for bicycle, motorcycle and other vehicle wheels. : en es
  • ES14006Y - Pendulum bowling game device. : en es
  • US2420510A - Toy airplane : en
  • US2420478A - Underground cable distributing unit : en
  • NL59397C - : en
  • US2420567A - Process for the treatment of malt sprouts for use in bakeries : en
  • ES177487A1 - PROCEDURE FOR MANUFACTURING CONDUCTORS, WITH OIL COATED, FOR VARIOUS ELECTROTECHNICAL APPLICATIONS : en es
  • ES177502A1 - IMPROVEMENTS IN THE MECHANISMS INTENDED TO VIBRATE CONCRETE, MORTAR AND SIMILAR MATERIALS : en es
  • ES13449Y - Tablet container. : en es
  • GB588108A - Manufacture of bacteriostatic substances : en
  • ES13939Y - Safety clasp to strap the cyclist's foot to the pedal by means of a strap. : en es
  • FR921697A - Synthetic resin : en fr
  • CH248544A - Butt welding process. : en fr
  • US2420304A - Spent bullet trap : en
  • US2420402A - Can puncturing and spout forming device : en
  • CA441398A - Resiliently hinged blade mounting : en fr
  • US2420375A - Aircraft oxygen regulator : en
  • US2420614A - Method of producing decorative effect on plastic : en
  • US2420338A - Dental apparatus : en
  • USD146769S - Design fob a brooch ok similar, article : en
  • GB588167A - Improvements in or relating to record card punching machines : en
  • FR921611A - Centrifugal force balancing devices applicable in particular to extendable pulleys : en fr
  • FR921627A - Improvements made to radiotelephone or radiotelegraph installations : en fr
  • GB587978A - Improvements in locking mechanism for the platen rollers of typewriting machines : en
  • GB588001A - Improvements in and connected with conveyor and carrier mechanism for use with plating baths or the like : en
  • US2420376A - Destructive distillation process embodying counterflow of solid heating medium : en
  • US2420522A - Method of making articles from plastic treated materials : en
  • US2420601A - Seating and facing tool : en
  • CA441416A - Method of effecting conversions between a liquid and a solid or liquid substance : en fr
  • GR11163B - IMPROVEMENTS IN OR RELATING TO ARMS SHOTS. : el en
  • AU135033B2 - Improvements in or relating to means or devices for protecting the tyres of motor andother vehicles : en
  • GB588016A - Improvements in spinning tops : en
  • GB588098A - Improvements in or relating to internal combustion turbine power plants : en
  • ES14269Y - Keyless lock for cases, pencil cases and the like. : en es
  • AU1144947A - Improvements in or relating tothe roofs of colliery or other workings : en
  • US2420577A - Electric control system : en
  • CH248676A - Signaling device in railway systems for securing locomotives. : de en
  • US2420517A - Dehydration of foods by means of hydrophilic liquids : en
  • US2420421A - Roofing or surfacing material : en
  • US2420548A - Control device : en
  • ES13989Y - About announcer. : en es
  • AU1542344A - An improved razorblade sharpener : en
  • CH248486A - Process for the preparation of aqueous dispersions of rubber-like substances. : de en
  • AU124159B2 - Improvements relating tothe manufacture of electrical rectifiers ofthe copper oxide type : en
  • AU1141747A - Improvements in and relating to fluorescent lamps : en
  • CH248692A - Process for the production of a metallizable polyazo dye. : de en
  • USD146759S - Design for a disposable razor : en
  • ES177094A1 - IMPROVEMENTS OR IMPROVEMENT IN THE DEVICES OF OBTAINING EXTENSIONS APPLICABLE TO THE PHOTOGRAPHERS AND SIMILAR : en es
  • FR921729A - Cutting pattern : en fr
  • GB588101A - Improvements in the preparation of substituted oxazolones : en
  • US2420636A - Photographic masking : en
  • US2420430A - Gas analyzer : en
  • AU138347B2 - Improvements in or relating tothe formation of conducting coatings on glass and articles made with such coatings : en
  • AU1144247A - Improvements in or relating to power transmission apparatus : en
  • CH248514A - Ski binding with heel cable tensioning device. : de en
  • AU810746A - A lavatory seat attachment fora child : en
  • CH248607A - Plant for power generation. : de en
  • US2420313A - Fluid pressure control valve : en
  • US2420348A - Navigation instrument : en
  • US2420501A - Electric follow-up system : en
  • GB588015A - Improvements relating to cutting or like machines of the type comprising a rotary cutting wheel : en
  • GB588083A - Fuel system : en
  • AU1148647A - Improvements in pulse producing apparatus : en
  • US2420339A - Course-recording camera : en
  • AU124168B2 - Improvements in and relating to buildings : en
  • CH248581A - Spring lid on pocket lighter. : de en
  • CH248498A - Device for detachable coupling of the line index wheel with the platen of typewriters. : de en
  • AU130054B2 - Improvements in or relating to receptacles for milk bottles orthe like : en
  • ES14051Y - Special packaging for shaving soap packaging. : en es
  • ES14855U - Security lock for bicycle pump or similar. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588066A - Improvements in and relating to hydraulically operated electric contact switches : en
  • US2420444A - Intermittent mechanism : en
  • US2420537A - Advancing reel threading device : en
  • ES13990Y - Device applicable to telephone apparatus intended to contain addresses and telephone numbers. : en es
  • GB588194A - Internal combustion engines having combustion spaces common to several pistons : en
  • GB588158A - Improvements in or relating to a copyholder for use with photographic apparatus : en
  • FR921557A - hydraulic scrubber for gasifier gas for motor vehicles : en fr
  • ES13582Y - Pocket rev counter. : en es
  • FR921608A - Agglomeration process for charcoal and charcoal : en fr
  • ES13964Y - Lampholders. : en es
  • AU1141447A - Improvements in or relating to phonographs : en
  • US2420447A - Orienting apparatus : en
  • US2420337A - Brake beam safety hanger : en
  • US2420579A - Railway traffic controlling apparatus : en
  • FR921628A - Improvements to plug sockets : en fr
  • GB588078A - Exhaust gas turbo-charger : en
  • CA441293A - Heater for water cooled engines : en fr
  • CA441335A - Circuit interrupter : en fr
  • AU124158B2 - Improvement in charge forming device : en
  • CH248649A - Two-wire amplifier. : de en
  • CA441387A - Telegraph multiplex system : en fr
  • AU1142247A - Improvements in absorption refrigeration apparatus andin cabinets cooled thereby : en
  • CH248711A - Closure for tubes and bottles. : de en
  • CH248661A - Sheet metal container. : en fr
  • CH248682A - Process for the production of a water repellent. : de en
  • US2420483A - Indicator for free-piston units : en
  • CH248520A - Slide caliber. : en fr
  • CH248630A - Electric hand lamp with protective cage. : de en
  • AU124160B2 - Improvements in or relating to electrical control systems subject to supply voltage variations : en
  • CH248412A - Process for the production of a lining for pressure tunnels or shafts. : de en
  • CH248504A - Mechanical pencil combined with a lighter. : en fr
  • CH248386A - Drawbar device for coupling a tractor to a machine to be driven by its PTO shaft. : de en
  • CH248503A - Copier working with artificial light. : de en
  • ES14054Y - A perfected tie or bow tie to be worn with shirts or dresses. : en es
  • US2420322A - Preserving peeled white potatoes : en
  • ES171014A1 - IMPROVEMENTS IN THE SEALS OF METALLIC CONTAINERS : en es
  • FR921696A - Advanced nylon filaments, their manufacturing process and applications : en fr
  • US2420599A - Flame arrester : en
  • CH248519A - Trusquin. : en fr
  • CH248657A - Device for operating and driving the index of the indicator dial in radio-receivers. : en fr
  • AU136172B2 - UHF antenna : en
  • US2420575A - Brassiere : en
  • GB588149A - Improvements in connection with photographic contact printing machines : en
  • AU138195B2 - Improvements in or relating tothe treatment of crude reaction mixtures containing pteridenes to separate the desired pteridenes therefrom : en
  • AU1141547A - Improvements in or relating to phonographs : en
  • US2420416A - Method of producing smoke : en
  • US2420564A - Process of producing ferrosilicon : en
  • ES169400A1 - IMPROVEMENTS IN MEASUREMENT DEVICES AND REGULATION OF THE RESISTANCE IN AN ELECTROLYTIC CELL : en es
  • GB588072A - A coupling and static electrical earth bonding device for pipes : en
  • AU1145047A - Production of nitric oxide : en
  • US2420612A - Fuse : en
  • US2420508A - Cabinet having interconnected closure and support for an ironer : en
  • CH248405A - Frames for windows or doors. : de en
  • CH248594A - Movement transmission device. : en fr
  • US2420371A - Trap : en
  • CA441290A - Wringer : en fr
  • AU1141347A - A coupling for metallic tubing : en
  • ES13970Y - Tank for liquid fuels intended to feed burners. : en es
  • US2420497A - Processes for the purification of tripentaerythritol : en
  • USD146760S - Design for a portable developing tank : en
  • CA441368A - Gyroscope erector system : en fr
  • USPP736P - Rose plant : en
  • AU138346B2 - Improvements in or relating to oscillation generators : en
  • ES177491A1 - IMPROVEMENTS IN THE CONSTRUCTION OF PRESSURE CYLINDERS USED IN MANUARS, BURNING MACHINES AND HILL MACHINES IN GENERAL : en es
  • CH248668A - Luggage racks on bicycles. : de en
  • USD146761S - Design for a bracelet or the like : en
  • ES13579Y - Toothbrush. : en es
  • FR921675A - Toy : en fr
  • CA441313A - Valved bag : en fr
  • CH248490A - Decanter with pre-separation of floating matter. : en fr
  • US2420395A - Radio direction finding circuit : en
  • CH248474A - Valve device for filling and emptying gas containers, in particular those for oxygen. : de en
  • US2420532A - Production of chromium compounds : en
  • US2420561A - Electron microscope structure : en
  • CH248707A - Process for the preparation of a trisazo dye. : de en
  • AU132284B2 - Means for operating an air compressor : en
  • CH248592A - Valve with destructible sealing membrane. : de en
  • CH248679A - Hydraulic control device. : en fr
  • US2420562A - Device for mixing gas and air : en
  • US2420413A - Baling press : en
  • FR921691A - Process for depolymerizing polymerized tetrafluoroethylene : en fr
  • ES11296Y - Device for tubes with expansions, fins or external parts attached, totally or partially inclined with respect to the geometric axis of said tubes. : en es
  • FR921589A - Method of transporting petroleum products by means of pipelines : en fr
  • CH248393A - Portable sprayer. : en fr
  • AU1160943A - Improvements relating tothe manufacture of electrical rectifiers ofthe copper oxide type : en
  • AU136069B2 - Method of preparing linear polyesters : en
  • CH248556A - Method and device for the production of bodies from starting materials to be glued by high-frequency heating. : de en
  • USD146774S - Man s sport shoe or similar article : en
  • AU138666B2 - Improvements in or relating to phonographs : en
  • US2420496A - Recovery of products from aldehyde condensations : en
  • CA441297A - Ophthalmic mounting : en fr
  • CA441415A - Transmitting and receiving device comprising a dipole antenna : en fr
  • US2420364A - Telescoping turnbuckle : en
  • USD146772S - Design for a blouse : en
  • US2420521A - Drill press : en
  • US2420558A - Catalytic conversion of hydrocarbons : en
  • US2420431A - Injection timing : en
  • US2420625A - Metal handling : en
  • AU1141247A - Urea peroxide antiseptics : en
  • AU124151B2 - Improvements in or relating to cassettes : en
  • US2420412A - Brake for baby carriages, strollers, and the like : en
  • CH248501A - Device for controlling the operation of a cinematographic camera. : en fr
  • ES14286Y - Waterproof cardboard container for oils and fats. : en es
  • GB588095A - Improvements in or relating to internal combustion turbine power plants : en
  • CH248574A - Chain bracelet with clasp. : de en
  • CH248397A - Device for trolling. : en fr
  • AU427946A - Improvements in unloading valves : en
  • US2420336A - Method of design formation on colored paper : en
  • USRE22878E - Wool type fabric : en
  • CH248694A - Process for the production of a metallizable polyazo dye. : de en
  • CH248505A - Drawing machine. : de en
  • CH248578A - Flint holders on lighters. : de en
  • CH248621A - Surge arresters. : de en
  • CH248452A - Device for automatically feeding hooks or eyes to the sewing point on a sewing machine. : de en
  • CH248590A - Closing device on containers for tightening the lid on the container body. : de en
  • AU1106147A - Improvements in or relating tothe treatment of crude reaction mixtures containing pteridenes to separate the desired pteridenes therefrom : en
  • CH248431A - Suspension device for curtains, curtains and the like. : de en
  • ES14265Y - Mask perfected to protect the respiratory tract against dust. : en es
  • FR921714A - Improvement in earth handling machines, such as draglines : en fr
  • CA441305A - Steel powder : en fr
  • ES13932Y - Improved hygienic plug. : en es
  • ES14045Y - Electric power toggle switch. : en es
  • GB588051A - Electric heating element : en
  • AU1142047A - Improvements in process and apparatus forthe production of synthetic thread : en
  • CA15402S - Electric heater primarily for use in heating rooms : en
  • CH248567A - Dry shaver. : de en
  • AU124179B2 - Improvements in or relating to sulfonamides and process for preparing same : en
  • GB588119A - Improvements in and relating to electron microscopes : en
  • GB588202A - Improvements in and relating to laminated contacts : en
  • ES174254A1 - IMPROVEMENTS IN UNCOVERED FIRE RADIANT HEATING ELEMENTS FOR ELECTRIC OVENS AND OVENS : en es
  • CH248659A - Luminous indicating device. : en fr
  • CA441320A - Concentration of ores : en fr
  • CA441402A - Diode oscillator : en fr
  • CH248564A - Method and device for producing a cylindrical jacket with perforations. : de en
  • CH248548A - Chisel holder device for threading on a threading machine. : en fr
  • ES13574Y - Cayada or reinforced cane. : en es
  • GB588135A - Improvements in cathode ray tubes : en
  • US2420445A - Type bar releasing device for typewriters : en
  • CH248531A - Method and device for the automatic execution of arithmetic operations. : de en
  • CH248493A - Process for folding and gluing paper blanks for the production of bags, pouches, envelopes and the like, and machine for carrying out this process. : de en
  • US2420552A - Driving mechanism : en
  • AU124174B2 - Improvements relating to roller hearth continuous furnaces : en
  • GB588107A - Process for the production of crimped effects in textile yarns : en
  • AU131300B2 - Improved bag loader : en
  • CH248483A - Detonation-proof ignition composition. : de en
  • CH248492A - A sheet container of tearable material such as an envelope, paper bag, packaging, lottery ticket, etc. : en fr
  • CH248417A - Electric heating device. : en fr
  • CH248487A - Process for polymerizing vinyl chloride. : de en
  • ES14097Y - Tubular probe for inhalation of medicinal gases, dilator of the nasal passages : en es
  • ES177497A1 - A THREADING MACHINE CHAPON SYSTEM : en es
  • CA441357A - Synchronizer for oscillators : en fr
  • CH248639A - Process for the production of high quality antisera. : de en
  • US2420423A - Inner-spring unit assembly machine : en
  • FR921734A - Cakes for animal feed and their manufacturing process : en fr
  • GB587990A - Improvements in or relating to electrical apparatus for the reproduction of sound recordings : en
  • ES176667A1 - AN APPARATUS TO REMOVE WATER FROM PAPER SHEETS DURING ITS MANUFACTURE : en es
  • ES14089Y - Clamp for holding watches and the like. : en es
  • FR921662A - Improvements to hydraulically operated mechanisms, in particular for variable pitch propellers : en fr
  • CA441371A - Box for cookies : en fr
  • FR921632A - Construction process using prefabricated elements without formwork : en fr
  • FR921666A - Improved manufacturing process for butyrolactones : en fr
  • GB588118A - Improvements relating to screw and nut fastenings : en
  • AU138343B2 - Anchor anda method of making flukes therefor : en
  • ES14896U - Hot water tank by thermosiphon with double current. (Machine-translation by Google Translate, not legally binding) : en es
  • US2420365A - Combination center punch : en
  • US2420485A - Electrical switch with kinetic energy dissipating means : en
  • FR921575A - Device for easily unscrewing or screwing studs or other similar components : en fr
  • GB588094A - Improvements in devices for the drawing of metal tubes : en
  • ES13959Y - Device applicable to ink bottles to facilitate the loading of fountain pens. : en es
  • GB588100A - Improvements in aviation trainer : en
  • ES14005Y - Top-based bowling game device. : en es
  • FR921661A - Cracking process for oils and resins : en fr
  • ES14817U - Self-injectable bottle (Machine-translation by Google Translate, not legally binding) : en es
  • GB588067A - Improvements relating to closure means for vehicle radiators, petrol tanks or other liquid receptacles : en
  • GB588033A - Manufacture of ester-amides and ester-imides : en
  • FR921570A - Manufacturing process of compound fertilizers : en fr
  • ES176571A1 - ELECTRIC SWITCH, PERFECTED : en es
  • FR921630A - Improvements to rolling threading devices : en fr
  • NL59348C - : en
  • FR921610A - Device for laying parquet on cement : en fr
  • ES14887U - Seat perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588064A - Improvements in means for controlling escape of fluid from a container along an element passing therethrough : en
  • FR921652A - Low temperature continuous dehydration process and installation : en fr
  • GB588044A - Improvements in aerial arrays : en
  • GB588207A - Apparatus for the disposition of flue dust and the like : en
  • GB588164A - Improvements in or relating to hinged cast metal doors and doorways for ovens : en
  • ES174070A1 - A PROCEDURE TO REFRESH AIR : en es
  • GR11157B - PEDAGOGICAL GAME. : el en
  • ES13972Y - Electric switch-commutator model. : en es
  • ES14117Y - Toy : en es
  • US2420386A - Reduction of corrosive action of friedel-crafts type catalysts : en
  • US2420555A - Quadrant lever control : en
  • CA441405A - Power driven wire reel mechanism : en fr
  • ES14899U - Double folding chair. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248569A - Holders for utensils, in particular tools. : de en
  • US2420309A - Impulse generator : en
  • US2420381A - Plasticized zein composition : en
  • US2420629A - Power supply for traffic controlling systems : en
  • FR921681A - Vinyl coating for cellulosic materials and its applications : en fr
  • US2420502A - Gem grinding device : en
  • CH248622A - Protective arrangement for electrical power lines divided into sections. : de en
  • GB588169A - Improvements relating to electrical relays : en
  • US2420598A - Liquid fuel burner : en
  • AU2027245A - Improvements in or relating to mono-chloropyrazine and process of manufacturing thesame : en
  • FR921659A - Improvements to amplifier circuits : en fr
  • ES14263Y - Compact with retained powder impeller. : en es
  • ES14841U - Structural unit for the construction of buildings. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248669A - Bicycle. : de en
  • ES14894U - Security target shooting. (Machine-translation by Google Translate, not legally binding) : en es
  • US2420295A - 4, 4'-dichlorodiphenyl 1, 1, 1-trichloroethane dispersed in polyvinyl acetate : en
  • CH248421A - Process for the production of calcareous binders, as well as equipment for carrying out the process : de en
  • CH248446A - Device for opening closed preserving and jam jars with sealing ring. : de en
  • CH248478A - A method of recovering theobromine from an aqueous solution containing methylated derivatives of xanthine. : en fr
  • GB588080A - Improvements in or relating to two part fasteners for sealing parcels, bags and other containers : en
  • GB588082A - Improvements relating to engines : en
  • FR921686A - Improvements to processes for preparing metal surfaces to receive plasters or coatings : en fr
  • GB588175A - Improvements in or relating to precast building units : en
  • CH248418A - Method for producing elbows, in which a straight pipe is initially produced at least partially from hydraulic binders and fiber material, and a bending machine for performing this method. : de en
  • US2420366A - Adhesive tape and method of use in plywood : en
  • ES13968Y - Heat preservative device for hot snacks. : en es
  • ES177321A3 - IMPROVEMENTS IN THE MANUFACTURE OF SEGMENTS FOR EXPLOSION ENGINE PISTONS : en es
  • CA441397A - Propeller anti-icer : en fr
  • CH248706A - Process for the preparation of a trisazo dye. : de en
  • GB588013A - Electrical plug connector : en
  • AU124171B2 - Improvements in means for corrugating sheet material : en
  • ES13597Y - Wrench, at the same time a tool, to assemble mechanical toys. : en es
  • GB588059A - Improvements in or relating to locking devices : en
  • GB588069A - Improvements in or relating to the cooling arrangements of air cooled internal combustion engines : en
  • US2420450A - Harmonica : en
  • GB588057A - Improvements in or relating to inking mechanism for rotary intaglio printing presses : en
  • FR921742A - Device for measuring the mechanical properties of matter by applying forced vibrations and various stress modes : en fr
  • GB588071A - Improvements in mining conveyors : en
  • USD146776S - Design for a lapel pin : en
  • FR921684A - Improved tire casing and its manufacturing process : en fr
  • GB588191A - Improvements relating to vehicle steering mechanisms : en
  • AU341246A - Improved bag loader : en
  • CH248462A - Rubber stocking. : de en
  • US2420458A - Spanner wrench : en
  • ES14226Y - Pouring crown cap or dropper. : en es
  • GB588210A - Improvements relating to the manufacture of electrical insulators from thermoplastic cellulose derivatives : en
  • ES13631Y - Object holder or ring for cosmetic cases. : en es
  • FR921595A - Handcrafted spinning machine : en fr
  • GB588131A - Improvements in or relating to the manufacture of purified penicillin : en
  • GB588232A - Improvements in or relating to boxes of carton for cheese : en
  • ES14911U - Security crochet for the preparation, by hand, of all kinds of work. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921641A - Improvements relating to ventilation equipment for vehicles driven by a variable speed motor : en fr
  • GB588156A - Improvements in or relating to chairs or seats : en
  • CH248647A - Automatic telegraph transmitter. : en fr
  • FR921620A - Manufacturing process of chlorocresols : en fr
  • CA441386A - Band pass amplifier : en fr
  • US2420357A - Apparatus for heating ingots : en
  • ES14886U - Easter greeting card. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921674A - Improvements to couplings for flexible hoses : en fr
  • CH248648A - Arrangement for determining the presence of a signal voltage exceeding a predetermined limit value. : de en
  • GB588179A - Improvements in indexing mechanism for a machine table : en
  • FR921613A - Rat trap : en fr
  • FR921745A - Further training in the manufacture of electronic lenses : en fr
  • GB588018A - Compositions comprising unsaturated polymeric materials and alkane dithiols : en
  • ES14885U - A coat rack for household items (Machine-translation by Google Translate, not legally binding) : en es
  • GB588192A - Apparatus for playing games : en
  • CA441350A - Textile printing process : en fr
  • GB588022A - Improvements in or relating to the steering of vehicles : en
  • GB588209A - Improvements relating to electric control systems for electric motors, steam engines and other prime movers : en
  • ES13969Y - Toy. : en es
  • FR921671A - Electromagnetically actuated device to produce rectilinear reciprocating motion : en fr
  • ES14840U - Hollow body. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921618A - Static equipment for arc and resistance welding : en fr
  • FR921731A - Continuous preparation of gels : en fr
  • GB588144A - An electric overload protective device : en
  • ES13603Y - Supplementary terminal to regulate and conduct the outlet of water or other liquids, with a ball-and-socket movement, applicable to taps and pipes. : en es
  • FR921553A - Axle for cycle wheel or other wheels, aircraft landing gear, etc. : en fr
  • GB588060A - Improvements in or relating to typewriting or like machines : en
  • FR921640A - Solid and economical construction for all public and private buildings : en fr
  • FR921673A - Improvements to sockets for indoor installations : en fr
  • AU1145147A - Improvements in and relating tothe production of nitrogen dioxide from gases containing nitric oxide : en
  • CA441396A - Electrical contact : en fr
  • US2420594A - Cable anchor for winches : en
  • ES14055Y - Mixed-function nasal tube for inhalation of gaseous or aerated drugs, dilator of the vestibular tract : en es
  • GB588163A - Improvements in or relating to chairs for railway lines : en
  • USD146782S - Design for a drink mixer : en
  • GB588121A - Improvements in sheet feeding apparatus : en
  • US2420610A - Antistatic photographic film : en
  • ES13988Y - Device or accusing mechanism of passage or entry of yew trees or similar, applicable to entertainment games. : en es
  • ES14247Y - Hand squeeze lemon, pincer shape. : en es
  • ES177402A1 - NEW REFRIGERATION SYSTEM BY COLD ACCUMULATOR : en es
  • FR921563A - Manufacturing process of casein filaments and textile fibers : en fr
  • ES14238Y - Clip or fastener for costume jewelery. : en es
  • ES14898U - Centrifugal pump with coupled piston primer. (Machine-translation by Google Translate, not legally binding) : en es
  • AU1933945A - Improvements in and relating to buildings : en
  • ES13576Y - Fruit juice extractor. : en es
  • US2420403A - Electrodeposition of iron : en
  • US2420518A - Power reduction circuit for radio receivers : en
  • AU1054447A - Improvements in or relating to baby chairs : en
  • FR921663A - Improvements to variable-pitch propeller control systems : en fr
  • GR11164B - IMPROVEMENTS IN OR RELATING TO ARMS SHOTS. : el en
  • FR921667A - Adjustable pitch hyperbolic marine propeller : en fr
  • CH248631A - Aiming guide for placing Kirschner threads, in particular for nailing the neck of the femur. : en fr
  • GB588198A - Improvements in military rifles and similar fire-arms for shooting with miniature ammunition : en
  • CH248667A - Pneumatic tires. : de en
  • US2420474A - Piston : en
  • US2420306A - Blasting cap primer composition : en
  • AU136205B2 - Improvements inthe production of Methylene dioxy phenyl ethers and compositions containing such ethers : en
  • CH248690A - Process for the production of a metallizable polyazo dye. : de en
  • US2420449A - Switching device : en
  • US2420391A - Supporting device : en
  • US2420441A - Switch operating mechanism : en
  • US2420539A - Measuring and controlling system : en
  • US2420573A - Metal rolling mill universal spindle coupling : en
  • US2420297A - Ventilated closure : en
  • CH248677A - Suspension device for electric contact wires. : de en
  • AU124183B2 - Improvements in or relating tothe coagulation of aqueous dispersions of rubber and rubberlike materials and apparatus therefor : en
  • AU133515B2 - Improvements in or relating to turbine lubrication systems : en
  • CH248414A - Heating appliance comprising a direct draft fireplace for solid fuels. : en fr
  • CH248636A - Method of making a solution. : de en
  • US2420494A - Mixing device : en
  • CH248433A - Wire connection, in particular for bed springs. : de en
  • USRE22876E - Utilization of cargo space in ships : en
  • AU140432B2 - Improvements in or relating to magnetron and method of manufacture : en
  • ES13606Y - Domestic portable oven. : en es
  • AU141207B2 - Improvements in process and apparatus forthe production of synthetic thread : en
  • CH248470A - Baking flour additive. : de en
  • AU1516644A - Improvements in or relating to cassettes : en
  • CH248459A - Process for the production of linoleum masses and linoleum mass produced by this process. : de en
  • CA15390S - Spray or atomiser : en
  • CH248617A - AC voltage regulator device. : en fr
  • ES14306Y - Cullo pin, cufflink or articulated button. : en es
  • CA441406A - Telephone system : en fr
  • CA441381A - Liquid jet projecting apparatus : en fr
  • CH248599A - Piston engine. : de en
  • FR921680A - Process for making a long-acting insulin preparation : en fr
  • US2420495A - Asbestos dusting process and apparatus : en
  • AU130405B2 - Improvements in unloading valves : en
  • CH248500A - Carbonless accounting facility. : de en
  • CH248683A - Process for the production of a new condensation product. : de en
  • CH248710A - Bedside. : de en
  • AU138266B2 - Improvements in or relating to looms : en
  • US2420634A - Electric lantern : en
  • AU133586B2 - Improvements in or relating tothe roofs of colliery or other workings : en
  • AU124177B2 - Improved combination nail file and holder : en
  • AU138370B2 - Controller unit : en
  • CH248527A - Measuring device. : en fr
  • CH248488A - Process for the production of polymers from acrylonitrile. : de en
  • CH248596A - Device for changing the excitation of the generator of a machine group in a Leonard circuit. : de en
  • GB587996A - An improved means for measuring flow of heat : en
  • CA441364A - Foldable paperboard box : en fr
  • CA441334A - Electric pickup : en fr
  • CH248494A - Filing device. : en fr
  • CH248610A - Cooling element with ice cell in refrigerators. : de en
  • FR921585A - Manufacture of a pozzolanic powder consisting of the use of paddy husk ash that Indochina produces abundantly to replace cement : en fr
  • GB588026A - Improvements in or relating to cigarette cases, powder compacts and like containers : en
  • NL60018C - : en
  • US2420511A - Apparatus for forming and assembling inner spring constructions : en
  • ES13604Y - Cover for carafes. : en es
  • US2420291A - Electrodepositing copper upon steel wire : en
  • US2420343A - Can unloading apparatus : en
  • CA441392A - Waterproof coating : en fr
  • US2420305A - Hydraulic transmission and clutch : en
  • US2420527A - Resilient zero stop : en
  • CA441326A - Magnetic core : en fr
  • CH248634A - Tampon. : de en
  • US2420470A - Corn harvester : en
  • AU1154747A - Broadband antenna matching : en
  • AU133168B2 - Improvements in and relating to doorhandles andthe like : en
  • AU1141847A - High frequency electric discharge devices : en
  • GB588081A - Improvements in magnifying apparatus intended for use in the inspection of woven fabrics or textiles : en
  • CA441356A - Electronic view finder : en fr
  • US2420528A - Rudder pedal assembly : en
  • US2420316A - Perspective projector and enlarges : en
  • CA441309A - Plant defoliating method : en fr
  • GB588193A - Improvements in or relating to apparatus for tuning a variable electrical oscillator : en
  • US2420529A - Resolution of hetebocyclic nitro : en
  • US2420384A - Pontoon : en
  • US2420607A - Magnetic repulsion geneva movement : en
  • NL59380C - : en
  • CH248427A - Spice grating utensil. : en fr
  • ES13637Y - Support for balls for knitting. : en es
  • US2420290A - Fastening inserting machine : en
  • US2420446A - Petroleum oil compositions : en
  • ES13599Y - Cylindrical junction box for electrical connections and derivations. : en es
  • CH248540A - Electric timepiece with central seconds hand. : en fr
  • CH248665A - Rim. : en fr
  • ES14299Y - Metallic toy : en es
  • GB588140A - Improvements in or relating to electrical oscillator systems : en
  • ES14888U - Seat or similar element (Machine-translation by Google Translate, not legally binding) : en es
  • FR921654A - Device for adjusting fuel mixtures : en fr
  • CA15392S - Ash tray : en
  • CH248701A - Process for the preparation of a copper-containing disazo dye. : de en
  • ES14261Y - Wardrobe. : en es
  • GB588155A - Means for the cancellation of stationary images on cathode ray oscillograph screens : en
  • US2420616A - Mixing and molding device : en
  • CA441307A - Cushion for conduits and wire supporting clips : en fr
  • GB588148A - Improvements in loaders or elevators for use more especially for loading sacks of grain or other material on to lorries : en
  • FR921682A - Advanced welding process and apparatus : en fr
  • NL59383C - : en
  • FR921724A - Cable guiding device for haulage transport systems : en fr
  • GB588008A - Improvements in oil temperature regulators : en
  • GB588073A - Improvements in or relating to surface grinding machines : en
  • FR921728A - improved electrode for discharge lamp : en fr
  • ES14891U - Improved plug and plug box for electrical installations. (Machine-translation by Google Translate, not legally binding) : en es
  • US2420551A - Gauge wheel and coulter assembly : en
  • US2420373A - Hot-blast stove : en
  • ES171704A1 - DISTORTION-FREE DEVICE FOR PULSE RECEPTION AND RETRANSMISSION : en es
  • GB588025A - Improvements in or relating to modified nitrocellulose coating compositions and fabrics coated therewith : en
  • ES176242A1 - A NEW AUXILIARY EXPLOSION MOTOR FOR BIKES : en es
  • GB588084A - Combustion engine with ammonia injection : en
  • ES175796A1 - A PROCEDURE WITH THE CORRESPONDING APPARATUS, FOR THE DISTILLATION OF LIQUIDS : en es
  • GB588218A - Improvements in or relating to temperature measuring instruments : en
  • FR921653A - Fully convertible all-metal retractable car body : en fr
  • US2420473A - Feeler controlled filling replenishing mechanism : en
  • ES14842U - Fast liquid heater. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921732A - Solvent treatment of hydrocarbons : en fr
  • CH248402A - Shaped body provided with a recess for insertion in concrete or mortar masonry. : de en
  • CH248465A - Machine for processing footwear. : de en
  • GB588070A - Improvements in feeding devices for use in wrapping machinery : en
  • US2420419A - Purification of fluids with cation active resins : en
  • FR921600A - Construction of a shelter against aerial bombardments in molded elements and bamboo reinforced concrete : en fr
  • CH248458A - Additional device for vacuum cleaner. : de en
  • US2420520A - Automatic shake-out hood : en
  • ES14075Y - Drum for stay and drive with movable strips of date stamps and variable markers. : en es
  • GB588171A - Improvements in or relating to liquid rheostats : en
  • GB588183A - Cavity resonator : en
  • ES13566Y - Small evening glass for children. : en es
  • ES14835U - Stove for firewood, convertible in kitchen. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588035A - Improvements in brakes : en
  • ES14236Y - Well stopper for inkwells or other bottles. : en es
  • FR921693A - Thermal machine running on ammonia gas : en fr
  • GB588233A - Improvements in and relating to apparatus for filling ampoules and the like with measured quantities of liquid : en
  • US2420627A - Remote control apparatus : en
  • US2420606A - Workholder for use in grinding and polishing transmission surfaces of roof prisms : en
  • CA441385A - Oscillating amplifier and detecting system : en fr
  • FR921723A - Improvements to helicopters and aircraft of this type : en fr
  • GB588137A - Improvements in or connected with vibration damping mountings for optical observation instruments : en
  • GR11161B - PREPARATION OF POLYMER SOLUTIONS. : el en
  • CH248550A - Device for generating holes. : de en
  • FR921739A - Safety lighter : en fr
  • GB588054A - Process for the production of ammonium nitrate : en
  • GB588133A - Improvements in metal-glass sealing processes : en
  • ES12903Y - Rubber sole with advantageous characteristics for its union with the upper. : en es
  • ES13607Y - Pressing device to bind single sheets. : en es
  • USD146779S - Design for a bracelet or similar article : en
  • GB588076A - Improvements in or relating to foldable chairs : en
  • FR921582A - Newly designed building material, non-conductive of heat, sound and electricity : en fr
  • FR921554A - Feeding device for two-stroke engines : en fr
  • FR921644A - Hollow material : en fr
  • CA441325A - Electric apparatus : en fr
  • GB587985A - Hydraulic system : en
  • ES177278A1 - ELECTRIC VIBRATOR FOR CONCRETE : en es
  • ES177428A1 - A NEW MACHINE SYSTEM FOR DRILLING MACHINES-TOOLS, ESPECIALLY TORNOS : en es
  • ES14304Y - League perfected. : en es
  • GB588014A - Improvements relating to furnaces : en
  • GB588120A - Improvements in and relating to electron microscopes : en
  • GB588170A - Improvements in or relating to moulds for shaping and vulcanising tyres : en
  • GB588211A - Improvements in or relating to hinged covers or like closure means for containers : en
  • GB588050A - Improved form of seed sowing machine : en
  • ES14282Y - Clip-buckle for attaching ribbons, cords and the like. : en es
  • ES13945Y - Tap for barrels and skins. : en es
  • CH248685A - Process for the production of a new polyglycol ester. : de en
  • AU421546A - A heated cot for premature or newly born infants : en
  • CH248387A - Mower with elevator device for the mower. : de en
  • CA441390A - Refined chemical pulp processing : en fr
  • US2420559A - Artificial transmission line : en
  • CH248434A - Metal base. : en fr
  • CH248557A - Shift apparatus. : de en
  • CA441395A - Measuring apparatus : en fr
  • AU1145747A - Apparatus and process for mixing fluids : en
  • ES177500A1 - A PROCEDURE FOR MANUFACTURING FOOTWEAR WITH RUBBER SOLE : en es
  • CH248595A - Feeder device on lubricating pumps. : de en
  • CH248635A - Device for dispensing measured quantities of uniform objects, such as lozenges, dragees and the like. : de en
  • CH248605A - Internal combustion engine valve actuator stem protector. : en fr
  • AU124170B2 - Improvements in and relating tothe manufacture of formaldehyde : en
  • US2420471A - Swivel harp for lamp shades : en
  • AU1216943A - Improvements in and relating to composite articles forming structural part for aircraft, helicopters andthe like : en
  • CA441388A - Rectifier timing circuit : en fr
  • CA441409A - Stereotype plate casting machine : en fr
  • USD146773S - Design for a blouse : en
  • CH248573A - Watch strap. : de en
  • CA441286A - Razor blade carrier : en fr
  • CA441330A - Pulse generating system : en fr
  • CH248666A - Snow chain. : de en
  • CH248471A - Mash tun. : de en
  • NL60137C - : en
  • CH248441A - Device for making extracts from coffee, tea, etc. : de en
  • CA441311A - Wire rope manufacture : en fr
  • CH248560A - Method of joining surfaces. : de en
  • GB588088A - Improvements in or relating to compressors and turbines : en
  • GB588085A - Improvements relating to propulsive thrust augmentors : en
  • GB588231A - Process for the preparation of phthalo-cyanine dyes : en
  • ES14897U - Inguinal hernia for inguinal hernias. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921719A - Improvements to flotation of mineral substances : en fr
  • GB588024A - Improvements in or relating to equi-signal radio beacon systems : en
  • GB588043A - Improvements in or relating to facsimile transmission systems : en
  • CA441339A - Circuit interrupter : en fr
  • AU1519344A - Improvements in or relating to box making system and method : en
  • CA441383A - Receiver loop circuit : en fr
  • CH248466A - Process for molding the human foot sole that has been brought into a corrected position for the production of footrests and orthopedic shoes. : de en
  • CH248658A - Facility to eliminate interference in wireless telegraphy. : de en
  • ES14202Y - Opening device applicable to cerones. : en es
  • ES14295Y - Detachable container to hold fruits and other items. : en es
  • ES14249Y - Closure for containers, perfected. : en es
  • ES14853U - Simplified pen. (Machine-translation by Google Translate, not legally binding) : en es
  • US2420418A - Apparatus for dewaxing oils : en
  • US2420440A - Garment hanger : en
  • FR921624A - Automatic film selection projection device : en fr
  • US2420341A - Automatic shutoff fuel nozzle with float controlled valve : en
  • ES14902U - Container for weighing and measuring diverse products (Machine-translation by Google Translate, not legally binding) : en es
  • FR921688A - Apparatus for vulcanizing rubber repairs : en fr
  • US2420633A - Instrument for testing and developing the stereoptic acuity of a person's eyes : en
  • USD146762S - Design for an barking or the like : en
  • FR921702A - Piece of clothing : en fr
  • CH248699A - Process for the preparation of a copper-containing disazo dye. : de en
  • GB588117A - Improvements in or relating to inhalers for analgesic or anaesthetic purposes : en
  • FR921642A - Improvements to superfinishing tools, especially metal surfaces : en fr
  • CH248696A - Process for the production of a metallizable polyazo dye. : de en
  • US2420438A - Flange jack : en
  • ES13961Y - Table with mechanical device for calculating paper cuts, for application in graphic arts. : en es
  • ES8056Y - Metal door. : en es
  • GB588115A - Improvements relating to spectacle frames : en
  • US2420459A - Home-style cigarette making device : en
  • GB588106A - Improvement in the art of printing textile fabrics : en
  • GB588109A - Improvements in photographic enlargers : en
  • CA441391A - Automatically fed furnace : en fr
  • CH248399A - Process for the preparation of a 4-chloro-benzenesulfonamide. : de en
  • CH248583A - Cigarette dispenser. : en fr
  • FR921740A - Vitamin food product : en fr
  • ES175532A1 - AN OPTICAL OBSERVATION INSTRUMENT : en es
  • FR921629A - Improvements made to tapered metal articles such as dental needles, hypodermic needles, etc. : en fr
  • ES177303A1 - A SEPARABLE CONNECTOR FOR PARACHUTE STRAPS : en es
  • US2420477A - Production of butadiene by method of dehydration : en
  • ES13982Y - Radio set. : en es
  • ES14239Y - Mechanized recreation game. : en es
  • US2420350A - Center finder and punch : en
  • GB588105A - Improvements in or relating to oil well masts : en
  • FR921735A - New shoe : en fr
  • AU1055947A - Shoulder blocks for use in pressing of garments : en
  • US2420345A - Electron discharge device : en
  • US2420553A - Torque limiting driving mechanism : en
  • US2420404A - Indicator circuit for signals below audibility : en
  • ES14255Y - Surety-fastener, applicable to costume jewelery, key rings or similar. : en es
  • GB588097A - Improvements in or relating to internal combustion turbine power plants : en
  • AU124175B2 - Improvements in and relating to luminescent materials : en
  • AU136068B2 - Resin bonded cord and rubber articles incorporating same : en
  • AU1961045A - Improvements in means for corrugating sheet material : en
  • GB588173A - Improvements in ironing or pressing devices : en
  • FR921679A - Tool holder for grinding machine : en fr
  • FR921700A - Device for steering a ship by its propellers : en fr
  • GR11155B - CRUDE PETROLEUM BURNER FOR AIR PETROLEUM PUMP. : el en
  • ES14837U - Can opener or containers (Machine-translation by Google Translate, not legally binding) : en es
  • ES13818Y - Device for sharpening and polishing razor blades. : en es
  • GB588048A - Automatic phonograph : en
  • ES14280Y - High-loudness mechanical bell : en es
  • FR921577A - Vinyl ester polymerization process : en fr
  • GR11156B - AUTOMATIC MACHINE MAKING MACHINE. : el en
  • GB588012A - Adsorption of acids : en
  • FR921605A - Manufacture of potash and soda lye : en fr
  • ES14844U - Flat filing cabinet. (Machine-translation by Google Translate, not legally binding) : en es
  • USRE22877E - Gas burner : en
  • US2420544A - Process for the removal of mercaptans from petroleum naphtha : en
  • CH248388A - Mower. : de en
  • US2420542A - Carrying out chemical reactions in the presence of finely-divided solids : en
  • ES14839U - Head brush, dual purpose. (Machine-translation by Google Translate, not legally binding) : en es
  • US2420296A - Work control mechanism for machine tools : en
  • USD146768S - Design for a shoe : en
  • CA441360A - Electron discharge device : en fr
  • CH248513A - Ski binding. : de en
  • CH248588A - Connection for pipes. : en fr
  • AU138872B2 - Improvements in or relating to stress-aging process : en
  • CH248604A - Multiple magnet ignition device on internal combustion engines. : de en
  • US2420507A - Portable apparatus for therapeutic irrigation : en
  • US2420411A - Retort, tank, or like container : en
  • ES13621Y - Chair-ladder. : en es
  • ES14116Y - Automatic brake for baby and child strollers. : en es
  • CH248549A - Device for controlling the tightening and loosening of an American gripper for machine tools. : en fr
  • AU124182B2 - Improvements in storage amplifiers and applications thereof : en
  • US2420358A - Hair drying means provided with silica gel : en
  • AU130235B2 - A heated cot for premature or newly born infants : en
  • AU1860745A - Combination digging tool : en
  • CH248526A - Flow velocity meter. : de en
  • AU1151247A - Altitude control : en
  • NL59343C - : en
  • US2420570A - Dental restoration, including artificial teeth and dentures : en
  • CA441366A - Variable speed transmission controlling means : en fr
  • CH248480A - Process for the preparation of ribitylamino-3,4-xylene. : de en
  • CH248655A - Cavity resonant circuit arrangement for ultrashort waves. : de en
  • CH248697A - Process for the preparation of a metallizable disazo dye. : de en
  • US2420617A - Fitting : en
  • US2420626A - Hydraulic servomotor with rotating cylinder and fluid transfer means adapted therefor : en
  • CH248571A - Hand color press. : de en
  • FR921692A - Earring : en fr
  • AU132793B2 - Arrangement of labyrinth packing fora rotary type of fluid-pressure apparatus : en
  • AU138409B2 - Polyphase oscillator : en
  • AU137198B2 - Improvements in or relating to Liquid Dispensing Apparatus and Method of Dispensing Liquid : en
  • CA441382A - Liquid jet projecting apparatus : en fr
  • CH248704A - Process for the preparation of a copper-containing disazo dye. : de en
  • AU137130B2 - Solvent extraction of castor oils : en
  • CH248481A - Indelible ink to be used with transparent or semi-transparent sheets based on polyvinyl resins. : en it
  • US2420476A - Froth-flotation concentration of sylvite from sylvinite ores : en
  • AU647942A - Improvement in charge forming device : en
  • AU1467444A - Improvements in or relating to electrical control systems subject to supply voltage variations : en
  • CH248691A - Process for the production of a metallizable polyazo dye. : de en
  • AU142629B2 - Improvements in and relating to yielding opening roofs and tents in particular opening roofs for vehicles : en
  • US2420356A - Degasification : en
  • CH248491A - Procedure for sharpening worn files. : de en
  • US2420590A - Counting device : en
  • US2420469A - Knife gauge : en
  • CA441343A - Photoelectric device : en fr
  • CH248643A - Fingernail polish brush with lacquer reservoir. : de en
  • US2420452A - Resilient mounting : en
  • CA441351A - Side seam lining compound : en fr
  • CH248644A - Method for evenly metering the amount of foaming agent to be added to the water when generating air foam for fire-fighting purposes and device for carrying out this method. : de en
  • US2420325A - Method and means for operating internal-combustion engines : en
  • US2420374A - Pulse multiplex transmission system : en
  • US2420584A - Process for preparing n-butyraldimine : en
  • CH248624A - Circuit arrangement of a transformer with at least one inductance coil. : de en
  • GB588077A - Improvements relating to screw-cutting lathes : en
  • ES14222Y - Hinge for cases and similar objects. : en es
  • FR921643A - Improvements to pipe junction devices : en fr
  • US2420506A - Binocular range estimating periscope operating on the coincidence principle : en
  • FR921750A - Improvement in electric switches with discharge resistors : en fr
  • ES14906U - Close latch (Machine-translation by Google Translate, not legally binding) : en es
  • FR921586A - Sharpening stone : en fr
  • GB587885A - Steroid keto hydroxy acids and their polybasic acid esters and method of preparing same : en
  • FR921695A - New polymers, their manufacturing process and their applications : en fr
  • FR921746A - Improvement in ball lifting and throwing devices for games : en fr
  • CH248482A - Process for coloring hydrophobic substances soluble in hydrocarbons. : de en
  • ES14258Y - Container that measures the amount of product that is extracted. : en es
  • FR921579A - Mosquito trap : en fr
  • GB588217A - Improvements in or relating to electrical lead-out arrangements : en
  • FR921694A - Process for preparing an edible vinegar : en fr
  • CH248423A - Fuel compacts and process for their manufacture. : de en
  • USD146758S - Design fob a tie holder : en
  • GB588234A - A device for repairing knitted fabrics : en
  • US2420323A - Wing-mounted jet-propulsion system with controllable discharge outlet : en
  • ES177499A1 - AN APPARATUS FOR THE DISPOSAL OF AIR : en es
  • CA441314A - Valved bag : en fr
  • CH248499A - Device for making bookings. : de en
  • CH248396A - Methods of combating pests. : de en
  • GB587995A - Electric motor driven landing wheel for airplanes : en
  • CH248456A - Process for the production of durable, non-gelatinizing cellulose solutions. : de en
  • FR921726A - Protective device applicable to any type of shoe : en fr
  • US2420324A - Mechanical time fuse : en
  • US2420351A - Vehicle deceleration signal : en
  • US2420519A - Etherified anhydro hexitols : en
  • AU140814B2 - Improvements in or relating to means for reproducing and amplifying sound from reed instruments : en
  • US2420396A - Vacuum cooler and method of cleaning the same : en
  • US2420382A - Catalytic reduction of organic chloro-nitro compounds : en
  • GB588010A - Improvements in or relating to shuttle guards for looms : en
  • GB588181A - Improvements relating to extrusion apparatus for metals : en
  • CH248700A - Process for the preparation of a copper-containing disazo dye. : de en
  • CH248509A - String instrument. : de en
  • FR921621A - Advanced washing machine : en fr
  • US2420427A - Precast reinforced concrete members : en
  • US2420453A - Acylamino-anthraquinone vat dyestuffs : en
  • US2420534A - Catalytic cracking of hydrocarbon oils : en
  • CH248584A - One-handed lighter with snap lock. : de en
  • US2420361A - Nonskid device : en
  • US2420379A - Filter adapter for cameras : en
  • CA441315A - Accumulator bladder : en fr
  • ES13962Y - Dust-injector device for insecticides with interchangeable needle and nozzle. : en es
  • ES14836U - Box without hinge or tongue and groove and with automatic closing (Machine-translation by Google Translate, not legally binding) : en es
  • CH248455A - In the direction of its longitudinal axis resilient coil, which forms a straight circular hollow cylinder with end faces perpendicular to its longitudinal axis. : de en
  • FR921685A - Circular-loom knitted hosiery and method of making the same, and method of preparing the yarn used therein : en fr
  • GB588235A - Improvements in torsion bars : en
  • ES14292Y - Device to cut the envelopes by the edge, in order to facilitate the rapid opening of the correspondence : en es
  • ES177280A1 - A PROCEDURE, WITH THE CORRESPONDING APPARATUS, TO IMPROVE THE AFFINITY OF RAYON FOR COLORANTS : en es
  • US2420414A - Filter construction : en
  • CH248552A - Sheet metal shears. : de en
  • GB588185A - Improvements in high frequency electrical oscillators : en
  • GB588228A - Improvements in delivery arrangements for containers for powder and like materials : en
  • CH248585A - Spring device. : de en
  • US2420505A - Dentist's measuring spoon : en
  • USD146771S - Design fob a blouse : en
  • GB588027A - Improvements in or relating to connecting devices for electrical terminals : en
  • IE18489L - Razor blade magazine. : en
  • US2420489A - Steroidal hormone intermediates and preparation of the same : en
  • ES14127Y - Wooden container or similar material for glass carafes. : en es
  • GB588003A - Clips or brackets to hold conduit tubes and the like : en
  • GB588045A - An improvement in or relating to fire-extinguishing apparatus : en
  • GB588092A - Improvements in or relating to internal combustion turbine power plants : en
  • IE17519L - Milking machine pulsator : en
  • CH248641A - Disinfection method. : de en
  • CA441389A - Light measuring system : en fr
  • GB588065A - Improvements in smokers' ash trays : en
  • GB588116A - Improvements in and relating to the synthesis of thiazolidine compounds : en
  • ES14740U - Manual device, text or drawing player, which simplifies obtaining copies. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177480A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FURNITURE : en es
  • AU124167B2 - Improvements in and relating tob andor conveyor ovens andthe like : en
  • AU139659B2 - High frequency electric discharge devices : en
  • US2420597A - Inexpensive camera shutter : en
  • ES14884U - A clothes rack and toilet cloths (Machine-translation by Google Translate, not legally binding) : en es
  • AU1064847A - Means for operating an air compressor : en
  • US2420592A - Balancing means for centrifugal machines : en
  • AU1150847A - Improvements in or relating to stress-aging process : en
  • CH248450A - Device with winding rollers for broken threads in a twisting machine. : de en
  • US2420425A - Spacing bracket for crated stoves : en
  • ES14152Y - Roll-out candle. : en es
  • GB588150A - Improvements in or relating to furniture for the reception of newspapers, letters and the like : en
  • CA441283A - Photographic device : en fr
  • CA441407A - Stable histaminase preparation : en fr
  • CH248680A - Electrically fully automatic fish hatchery. : de en
  • AU136673B2 - Improvements in or relating to stretching devices forties andthe like : en
  • ES14890U - Mechanism that allows the use of film in plate photographic machines : en es
  • GB588005A - Improvements relating to hydraulic governors : en
  • GB588047A - Improvements in and relating to electrical calipers : en
  • CA441354A - Television film recording and projection : en fr
  • CA441352A - Sheet feeding apparatus : en fr
  • CH248484A - Process for the manufacture of superpolyamides, from processing waste thereof. : en fr
  • CA441411A - Knitting machine stop motion : en fr
  • CH248496A - Loose leaf book. : de en
  • AU1893645A - C. Production of hydrocarbons : en
  • ES13898Y - Hairpin perfected for hair. : en es
  • US2420492A - Recoil absorber for guns : en
  • AU1155047A - Improvements in conveyors : en
  • AU144952B2 - A coupling for metallic tubing : en
  • AU1145347A - Improvements in or relating to magnetron and method of manufacture : en
  • CH248502A - Presser with feed dog for cinematographic apparatus. : en fr
  • AU358046A - Improvements in or relating to receptacles for milk bottles orthe like : en
  • CH248614A - Electrical connection device with clamp. : en fr
  • ES13958Y - Elastic locknut for security. : en es
  • CH248538A - Alarm clock. : de en
  • AU1156047A - Polyphase oscillator : en
  • CH248536A - Method for fixing decorative elements forming indexes on a watch dial. : en fr
  • CH248591A - Valve with two independent control units. : en fr
  • CH248403A - Glass roof construction. : de en
  • CH248438A - Mobile table. : de en
  • ES14114Y - Metal bristle hair brush. : en es
  • GB588215A - Improvements in and connected with screwed bolt and nut device for clamping together abutting surfaces of plates and the like : en
  • CH248686A - Process for the preparation of a new oleic acid polyglycol ester. : de en
  • US2420523A - Damping device for remote control apparatus : en
  • FR921631A - Fast construction process in simplified elements : en fr
  • GB588182A - Improvements in or relating to gas-blast electric circuit breakers : en
  • ES14281Y - Container tube with injector device. : en es
  • FR921657A - Process for the manufacture of hollow toys with flexible walls using polymerized resins : en fr
  • ES13986Y - Electric lamp. : en es
  • US2420461A - Loud-speaker announcing system : en
  • ES177511A1 - A NEW DOUBLE BRONCOESPIRÓGRAFO SYSTEM : en es
  • AU138669B2 - Improvements in pulse producing apparatus : en
  • GB588160A - Improvements in or relating to the processing of natural rubber : en
  • FR921669A - Rolling hatch beam : en fr
  • GB588214A - Improvements in tray-type evaporators : en
  • ES14235Y - Automatic direction indicator. : en es
  • GB588213A - Improvements relating to bread making : en
  • ES177098A1 - POWER AMPLIFIER, WITHOUT LOSS OF SPEED : en es
  • FR921596A - Manufacturing process of soap substitutes : en fr
  • FR921676A - Anti-theft device for motor vehicles : en fr
  • GB588049A - Improvements in separable fastener : en
  • CH248653A - Circuit arrangement with relay selector in telecommunications systems. : de en
  • CH248708A - Process for the preparation of a trisazo dye. : de en
  • FR921678A - Improvements to variable electrical resistances : en fr
  • US2420585A - Flashlight : en
  • US2420605A - Frequency modulated rotating radio beacon : en
  • ES13578Y - Dropper cap. : en es
  • GB587979A - Improvements relating to keys for cylinder locks : en
  • AU1141647A - Improvements in or relating to looms : en
  • CH248609A - Pressurized gas powered power plant. : de en
  • US2420637A - Glass surface plate : en
  • ES177495A1 - AN APPARATUS FOR WINDING RAYON THREAD CROWNS : en es
  • FR921569A - Improvements to vinyl halide manufacturing processes : en fr
  • GB588151A - Improvements in and relating to coarse and fine adjusting apparatus : en
  • CA441377A - Package handle : en fr
  • ES14291Y - Enhanced lamp holder for car headlights. : en es
  • GB588087A - Improvements in protective systems for electric traction motors : en
  • FR921573A - Gas stripper-scrubber : en fr
  • CH248702A - Process for the preparation of a copper-containing disazo dye. : de en
  • FR921603A - Bearing device applicable to bicycle pedals : en fr
  • ES14046Y - New box-container, for fruits. : en es
  • ES173823A1 - ONE BELLOWS GAS METER : en es
  • ES13987Y - Leaf spring frame for roller awnings, with fixed points for their articulation with the facade. : en es
  • ES14845U - Mixed-use head brush (Machine-translation by Google Translate, not legally binding) : en es
  • GB588074A - Improvements in and connected with sparking plugs : en
  • GB588206A - Improvements in and relating to doffing mechanism of flyer spinning and like frames : en
  • ES177516A3 - AN ADJUSTABLE DISPERSION TRANSFORMER : en es
  • US2420442A - Sealed motor compressor unit for refrigeration apparatus : en
  • ES14755U - Multiple hollow lime. (Machine-translation by Google Translate, not legally binding) : en es
  • ES14852U - Container box (Machine-translation by Google Translate, not legally binding) : en es
  • GB588184A - Improvements relating to the hermetic sealing of metal into vitreous material : en
  • GB588031A - Improvements in or relating to drive chains and methods of making the same : en
  • GB588186A - Improvements in vacuum or low-pressure electric discharge apparatus : en
  • ES13634Y - New folding door. : en es
  • FR921583A - Apparatus for making lead blanks : en fr
  • US2420487A - Paint brush holder : en
  • GR11154B - GEARBOX WITH AUTOMATIC PLANET POTENTIAL CLUTCHS. : el en
  • CA441340A - Circuit interrupter : en fr
  • ES14126Y - Container or tin for preserves. : en es
  • US2420574A - Electrical measuring apparatus : en
  • AU1143547A - Improvements in or relating to aircraft having pressurized cabins : en
  • USD146781S - Design for an earring : en
  • CH248453A - Double cylinder circular knitting machine with a device for opening the needle tongues. : de en
  • CA441347A - Water carbonating apparatus : en fr
  • AU133186B2 - Improvements in or relating to screw and nut transmission mechanism : en
  • AU1052947A - Improvements in or relating to photogrammetric apparatus : en
  • CA441342A - Generator fault protection system : en fr
  • AU1061447A - Arrangement of labyrinth packing fora rotary type of fluid-pressure apparatus : en
  • CH248389A - Process for the preparation of a sprayable crop protection agent containing colloidally dispersed cuprioxychloride. : de en
  • CH248447A - Device for the treatment of stretch bands made of textile fibers, for example made of bast fibers. : de en
  • FR921718A - Improvements to squeegees for windshield wipers and the like : en fr
  • GB588091A - Irreversible transmission : en
  • AU1144347A - Improvements in plansifters : en
  • ES14167Y - Hopper cover and ribbed receiver frames for beekeeping. : en es
  • FR921588A - Process for reducing organic compounds : en fr
  • US2420360A - Motor governor : en
  • US2420378A - Combination cap and scarf : en
  • US2420410A - Pavement repairing and the like : en
  • AU124161B2 - Improved apparatus for use in extinguishing grass fires andthe like : en
  • AU1146547A - Improvements in or relating to means for reproducing and amplifying sound from reed instruments : en
  • US2420541A - Pump jack : en
  • AU1140547A - Improvement In radar indicators : en
  • AU1145447A - High frequency coupling apparatus : en
  • AU132956B2 - Apparatus and process for mixing fluids : en
  • CA441308A - Belt and transmission : en fr
  • AU1056247A - Improvements in conveyors : en
  • AU1154547A - Improvements in or relating to methyl silicone coating compositions and articles made therefrom : en
  • CH248542A - Established, in particular for watchmaker. : en fr
  • AU137832B2 - Improvements in or relating to the production of 3-4-di (aminomethyl)5-amino-6-methyl pyridine and to the production of vitamin Be therefrom : en
  • CA441304A - Weighing machine : en fr
  • US2420464A - Shoemaking : en
  • CH248485A - Process for the production of oil-hardened fiberboard. : de en
  • US2420631A - Dis-azo dyes for color photography : en
  • AU137682B2 - 1 "Improvements in or relating to multiplex electric communication systems : en
  • CH248616A - Device for the detachable connection of at least one electrical conductor to an electrically conductive piece. : de en
  • AU124153B2 - Improvements in or relating to lifting jacks : en
  • AU1479044A - Improvements in or relating to indirectly heated cathodes for electron discharge devices : en
  • CH248506A - Drawing desk for retouching and sketching. : de en
  • CH248671A - Single cable suspension railway. : de en
  • FR921635A - Method and apparatus for orienting surface molecules of plastics : en fr
  • US2420600A - Method of preventing foaming in bottle-cleaning apparatus : en
  • CH248407A - One-piece composite slab in reconstituted or natural wood. : en fr
  • US2420613A - Work-marking assembly for machine tools : en
  • US2420475A - Friction composition and method of preparing the same : en
  • CH248525A - In-tube thermometer. : de en
  • CH248638A - Process for the preparation of the bromide of 2- (N4- (a-N-pyridinium-propionyl) -sulfanilamido) -pyrimidine. : de en
  • GB588141A - Improvements in or relating to electron discharge devices : en
  • CH248601A - Double-acting rotary pump. : en fr
  • US2420383A - Production of sulfonyl chlorides from olefins : en
  • CA441285A - Dual wheel assembly : en fr
  • CH248400A - Reinforced concrete floor. : en fr
  • CH248689A - Process for the production of a metallizable polyazo dye. : de en
  • US2420315A - Booster pump shut-off casing for pump removal : en
  • CA441317A - Engine starter drive : en fr
  • AU429846A - An improved saucepan : en
  • US2420399A - Thread drier having radiant heaters and automatic control means : en
  • AU1057847A - Apparatus for stretching : en
  • AU147580B2 - Phonograph apparatus : en
  • AU1147447A - Improvements in and relating to yielding opening roofs and tents in particular opening roofs for vehicles : en
  • CA441376A - Turbine, compressor or rotating machine : en fr
  • ES14069Y - Perpetual device for paperless smoking. : en es
  • GB588201A - Appliance for absorbing shocks and vibrations in electric lighting fittings : en
  • CH248476A - Process for the preparation of a-isobutoxy-methyl-ethyl-acetic acid. : de en
  • US2420525A - Interfolding machine : en
  • US2420462A - Knee action rear wheel suspension : en
  • US2420639A - Chart for weighing scales : en
  • CA441373A - Machine for producing toothed discs : en fr
  • CH248384A - Machine for working the land. : en fr
  • CH248675A - Emergency brake release device for vehicles with compressed air brakes. : de en
  • ES14077Y - Goblet, automatic for dice game. : en es
  • FR921561A - Process for manufacturing agglomerated refractory products : en fr
  • AU1149147A - 1 "Improvements in or relating to multiplex electric communication systems : en
  • CH248406A - Device for preventing animals from escaping from pasture areas enclosed by electric fences. : de en
  • FR921720A - Dynamic balancing device, especially for overhead propellers : en fr
  • ES13615Y - Refreshing showcase for the conservation of items in shop windows. : en es
  • CH248419A - Device for producing recesses in concrete structures. : de en
  • AU1061047A - Anchor anda method of making flukes therefor : en
  • CA441375A - Radio receiver : en fr
  • CH248662A - Container closure device and method of manufacturing this closure device. : en fr
  • US2420415A - Control system : en
  • US2420526A - Drive shaft brake : en
  • CH248489A - Compost bin. : de en
  • US2420479A - Curtain : en
  • CH248558A - Planer. : de en
  • CH248615A - Armature for overhead lines. : de en
  • FR920921A - : fr
  • US2420587A - Self-threading device for projectors : en
  • CH248401A - Bandage masonry made of rectangular components. : de en
  • CH248457A - Clamping device for flexible pulling elements. : de en
  • ES13946Y - Gasoline gas stove. : en es
  • US2420298A - Method of centrifugal casting : en
  • US2420428A - Heat-treating basket : en
  • US2420472A - Brassiere : en
  • USD146770S - Combination ash tray and cigarette holder : en
  • US2420630A - Disazo dye compounds : en
  • AU137608B2 - Improvements in or relating to power transmission apparatus : en
  • CA441328A - Concentric transmission line termination : en fr
  • CH248693A - Process for the production of a metallizable polyazo dye. : de en
  • FR921737A - Trainings improvements : en fr
  • AU1049047A - Solvent extraction of castor oils : en
  • AU139903B2 - Improvements in crop lifters of harvester combs : en
  • US2420340A - Clarification of aqueous liquids : en
  • AU1054247A - Improvements in or relating to method of tumbling barrel polishing : en
  • CA15408S - Mixing utensil : en
  • CA441322A - Transducer : en fr
  • CA441374A - Pulp article moulding die : en fr
  • CH248395A - Honey extractor. : de en
  • AU136348B2 - Shoulder blocks for use in pressing of garments : en
  • CH248543A - Device for bending workpieces. : de en
  • AU139029B2 - Altitude control : en
  • AU1058647A - Improvements in or relating to stretching devices forties andthe like : en
  • AU1135247A - Improvements in or relating to apparatus and method for injecting moldable material into a mold : en
  • AU133992B2 - Female jig for centrifugal formation of sheet thermoplastics : en
  • AU1972645A - Improvements in or relating tothe coagulation of aqueous dispersions of rubber and rubberlike materials and apparatus therefor : en
  • CH248703A - Process for the preparation of a copper-containing disazo dye. : de en
  • US2420417A - Cone jacket forming machine : en
  • CH248627A - Process for the production of strip-shaped contact elements for electrotechnical purposes. : de en
  • ES177467A2 - IMPROVEMENTS TO THE HEAVY OIL BURNER : en es
  • CA441336A - Electric discharge apparatus : en fr
  • CH248415A - Radiator. : de en
  • GB588132A - Improvements in gauges for measuring or checking the effective diameters of screw threads : en
  • US2420619A - Head shield for welders : en
  • AU138668B2 - High frequency coupling apparatus : en
  • GR11158B - ABSOLUTE INDICATOR INDEX OF RADIO STATION RECEIVING DEVICES. : el en
  • FR921574A - Process for the catalytic treatment of combustible gas mixtures : en fr
  • ES13584Y - Personal identity card. : en es
  • ES13585Y - A stand for displaying objects : en es
  • FR921593A - four piston detent engine element in the same cylinder or two opposed cylinders : en fr
  • CH248473A - Stirring device for liquids. : de en
  • CH248443A - Pressure cooker. : de en
  • US2420292A - Airplane body : en
  • US2420443A - Method and apparatus for forming hollow objects : en
  • CH248603A - Method for operating an internal combustion engine with at least two exhaust gas turbochargers that can be switched in parallel, as well as a device for performing this method. : de en
  • CH248656A - Broadband antenna for very short waves, with at least one radiator arranged in front of a metal mirror. : de en
  • CA441321A - Leakage reducing means : en fr
  • GB588200A - Improvements in holders for marking-material : en
  • US2420409A - Multiple pressure pump : en
  • CH248597A - Power cable trolley for mobile electric pulley blocks. : de en
  • CH248512A - Ski. : en fr
  • CA441348A - Overhead electric lighting fixture : en fr
  • AU124163B2 - An improved razorblade sharpener : en
  • CA441312A - Navigation watch : en fr
  • CH248611A - Device for charging containers of a cooling system for vehicles, in particular railroad refrigerated trucks, with eutectic ice. : de en
  • US2420424A - Hub construction : en
  • ES177493A3 - MACHINES FOR LAMINATING WHEELS CALLED "CATALINAS" FOR BICYCLES : en es
  • US2420456A - Fabric envelope for storage battery plates : en
  • US2420524A - Clutch mechanism of knitting machines : en
  • AU1140447A - UHF antenna : en
  • FR921568A - Process and furnace for the manufacture of glass : en fr
  • GB588168A - Improvements in body moulding garments : en
  • ES173955A1 - A PROCEDURE FOR THE ADMISSION OF WATER IN THE WATER ENERGY CAPACITY FACILITIES : en es
  • ES14900U - Folding chair, with clamping latch. (Machine-translation by Google Translate, not legally binding) : en es
  • FR921634A - Improvements to gyroscopes : en fr
  • FR921748A - Method and apparatus for energizing homeopathic dilutions : en fr
  • GB588011A - Improvements in or relating to sewing machines specifically adapted for domestic use : en
  • GB588079A - Improvements in cigarettes and plugs therefor : en
  • GB588176A - Improvements in or relating to ploughs : en
  • FR921606A - Waterproof coating of helmets and hats by means of a rubber sheet : en fr
  • FR921647A - Distillation apparatus : en fr
  • FR921733A - Foot-operated rheostat for sewing machines and the like : en fr
  • AU411546A - Improvements in metal alloys forbearing andthe like : en
  • AU1985145A - Improvements in or relating to sulfonamides and process for preparing same : en
  • CH248563A - Device for removing razor blades. : de en
  • CH248629A - Torch with accumulator as a power source. : de en
  • FR921558A - New applications of the electric ignition process by burst spark, and by resistance brought to bright red, for domestic and industrial uses : en fr
  • CA441349A - Tape-dispensing machine : en fr
  • ES14250Y - Folding chair perfected. : en es
  • CH248435A - Box furniture that can be placed on a bathtub and used as a changing table. : de en
  • ES14909U - Improved mode of artistic reliefs (Machine-translation by Google Translate, not legally binding) : en es
  • FR921625A - Use of new magnetic waves in the construction of measuring devices : en fr
  • GB588153A - Improvements in or relating to a non-return valve : en
  • GB588204A - Improvements connected with variable speed electric drives : en
  • US2420389A - Insect repellent composition : en
  • AU1122047A - Improvements in or relating to display arrangements for electric oscillographs : en
  • AU134245B2 - Apparatus for stretching : en
  • ES14771U - Fishhook for fishing. (Machine-translation by Google Translate, not legally binding) : en es
  • ES13632Y - Sprayer with hand-operated compressed air generator. : en es
  • ES13976Y - Electrode for cold cathode. : en es
  • GB588128A - Improvements in or relating to rock drill sharpening machines : en
  • US2420493A - Trouser creaser : en
  • ES13930Y - Bra for curls and hair accumulations. : en es
  • US2420370A - Pressure relief valve : en
  • US2420563A - Catalyst and process for dehydrogenation of hydrocarbons : en
  • GB588221A - Improvements in or relating to rollers for use with sliding doors or the like : en
  • ES14851U - Talking toys (Machine-translation by Google Translate, not legally binding) : en es
  • US2420335A - Multiple temperature air supply arrangement for hot air power plant furnaces : en
  • US2420550A - Liquid fuel injection apparatus : en
  • CH248673A - Device for setting the driving performance for vehicles with internal combustion engines and electrical power transmission. : de en
  • GB588110A - Improved bayonet fitting, particularly for a miniature plug and socket coupling for coaxial cables : en
  • FR921645A - Lightweight material for the rapid construction of vaults, domes, etc. : en fr
  • AU1055647A - Improvements inthe production of Methylene dioxy phenyl ethers and compositions containing such ethers : en
  • AU1148547A - Improvements in or relating tothe formation of conducting coatings on glass and articles made with such coatings : en
  • AU132101B2 - Improvements in metal alloys forbearing andthe like : en
  • ES13589Y - Air conditioning device. : en es
  • US2420331A - Trimming mechanism : en
  • FR921658A - Improvements in the control of short-term electric currents, for example for welding : en fr
  • ES14849U - Serial doors perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588113A - Improvements in, or relating to, die-casting of non-ferrous metals : en
  • CH248528A - Barrel weight scale with pressure device. : de en
  • ES14753U - Bra for fountain pens. (Machine-translation by Google Translate, not legally binding) : en es
  • US2420618A - Footwear protector : en
  • ES13995Y - Perfected device for binding books. : en es
  • ES14078Y - Living room game. : en es
  • ES14118Y - Toy : en es
  • AU1151847A - Improvements in or relating to coating compositions : en
  • ES14018Y - Rotary switch. : en es
  • ES14293Y - Folding postcard with own means of attachment : en es
  • ES14880U - Blowing nozzle. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588205A - Improvements in and relating to flyer spinning and like frames : en
  • FR921598A - Crepe rubber clothing and blankets : en fr
  • GB588021A - Improvements in safety caps or closure members for pressure vessels : en
  • GB588229A - Oil separator : en
  • US2420482A - Invasion checkers : en
  • US2420433A - Airplane wing of variable area construction : en
  • US2420565A - Synthetic textile articles : en
  • ES13583Y - Improved mechanism for letter and document filing-filing cabinets. : en es
  • US2420554A - Fluid pressure regulation and control apparatus : en
  • CA441306A - Collapsible container : en fr
  • CA441324A - Regulator : en fr
  • ES177517A3 - A POLYPHASE LEAKAGE TRANSFORMER : en es
  • GB587998A - Boat hull : en
  • CH248572A - Hair clip. : de en
  • CH248507A - Angled ruler designed as a drawing device. : de en
  • CH248497A - Card index for registering luxury goods. : de en
  • CA441327A - Electrical apparatus : en fr
  • CH248618A - Device for starting and stopping transformers. : de en
  • US2420603A - Bottle carrier : en
  • GB588225A - Improvements in or relating to spectacles : en
  • FR921572A - Improvements in testing equipment for components, in particular bearings, which must be subjected to varying forces : en fr
  • GB588162A - Improvements in or relating to electrical resistance measuring arrangements : en
  • AU136121B2 - Improvements in plansifters : en
  • FR921656A - Impregnating machine : en fr
  • ES13633Y - Construction toy of 101 different chalets. : en es
  • ES14901U - Perfume holder case (Machine-translation by Google Translate, not legally binding) : en es
  • FR921706A - Improved process and machine for molding and cooling molten soap : en fr
  • FR921664A - Improvements to control mechanisms especially for aircraft : en fr