• US2421115A - Method of securing laminations on a rotor shaft : en
  • US2421163A - Purification of 1-1'-5'-1'-trianthrimide-2-2'-6'-2"-dicarbazole : en
  • CA441704A - Heat-transmitting light absorbing glass : en fr
  • USD146822S - Design fok a butter cutter : en
  • US2421008A - Hair-waving rod : en
  • CH248906A - Lighter with a friction wheel attached to a shaft and interacting with the flint. : de en
  • ES14932U - Sprinkler to mark clothes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588650A - Improvements in or relating to electrical insulating compositions : en
  • US2421345A - Mixer : en
  • USD146830S - Design for a napkin holder : en
  • US2421241A - Liquid-quenched switch : en
  • CH248938A - Soldered cable connection. : de en
  • US2421217A - Ready-to-eat food product : en
  • AU1545344A - Improvements in and relating to mixed fertilizers : en
  • AU131193B2 - Improvements in or relating to self oiling bearings for fitting loose pulleys andother wheels to shafts : en
  • AU135515B2 - Method for refining lead : en
  • GB588623A - Improvements in building sections : en
  • CH248911A - Cigar cutter. : de en
  • CH248978A - Device for frequency modulation of a microwave generator. : de en
  • CA441735A - Electron discharge apparatus : en fr
  • CA441662A - Expander roll : en fr
  • ES14350Y - Lever device, applicable to an economizer for electric welders. : en es
  • GB588675A - Improvements relating to electromagnetically operated step-by-step mechanisms : en
  • GB588702A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type : en
  • AU1632544A - Improvements in cylindrical thermionic valves : en
  • CH248900A - Set of different coins and method of making them. : de en
  • ES14433Y - New type of low loss cable for microphone circuits and other radio - electrical applications : en es
  • ES14968U - Micro-uretometer apparatus for the determination of urea in the blood. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588642A - Improvements in manufacture of chlorinated quinones : en
  • ES176695A1 - IMPROVEMENTS IN THE MANUFACTURE OF MOLDED OBJECTS : en es
  • FR922011A - Pressure-balanced axial compensator : en fr
  • FR922014A - Strobo-cathodic manograph : en fr
  • BE472707A - Improvements to metal props : en fr
  • SU69304A1 - Tung cleaning machine : en ru
  • US2421137A - Transmission line : en
  • US2421185A - Dustless salt and process : en
  • ES14271Y - Metallic seam protector of the edges and floor or sole of the espadrille and similar footwear. : en es
  • PL33290B1 - Method of processing calcium lactate obtained by fermentation : en pl
  • US2421080A - Motor control for hoists : en
  • PL33287B1 - Device for feeding curved profile beams, rails and similar shapes to the roller straightener : en pl
  • FR922099A - Device for folding thin metal tubes : en fr
  • US2421247A - Motion reproducing system : en
  • CH248923A - Blade ring for radial steam and gas turbines and process for their manufacture. : de en
  • US2421316A - Electrolytic etching bath : en
  • AU124281B2 - Conveyor loader with diagonal belt : en
  • CA441710A - Tractor and implement combination : en fr
  • GB588632A - Improvements in or relating to pressing machines for molten material : en
  • CH248818A - Portable typewriter. : en fr
  • US2421141A - Dispensing package : en
  • AU1179047A - Improvements in or relating to apparatus for measuring temperatures in steam generator gas passages : en
  • ES14713U - Clamping and support device for pipes and gutters. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588529A - Improvements in wringer or like machines : en
  • FR54057E - Fireplaces and removable electric cooking plates with side outlet : en fr
  • CH248917A - Swashplate reciprocating machine. : de en
  • ES177598A1 - A PROCEDURE FOR FORMING METAL PRODUCTS FROM THE OXIDE OF THEM : en es
  • GB588649A - Improvements in or relating to building units : en
  • ES14921U - Improved lighter. (Machine-translation by Google Translate, not legally binding) : en es
  • FR54089E - New cabinetry panel and its manufacturing process : en fr
  • GB588603A - Improvements in or relating to machines for manipulating belts of cartridges for automatic guns : en
  • GB588585A - Improvements in or relating to valves for the distribution of fluids : en
  • CH248759A - Table with adjustable tabletop and drawing board. : de en
  • ES177805A1 - A PROCEDURE TO PRODUCE COMPOSITIONS TO ACTIVATE METALLIC SURFACES : en es
  • FR54060E - lock nut : en fr
  • FR54081E - Control for diesel-electric vehicle : en fr
  • ES169600A1 - MECHANISM FOR AUTOMATICALLY INTRODUCING OR EXTRACTING, FROM AN ENCLOSURE ISOLATED FROM THE EXTERNAL ENVIRONMENT, GRADUABLE DOSES OF MATERIALS : en es
  • CH248726A - Artificial stone slab. : de en
  • CH248831A - Figure with at least one moving part. : de en
  • CA441641A - Weighing and filling machine : en fr
  • CH248898A - Process for the color decoration of synthetic resin objects. : en it
  • CH248921A - Compressor system with vertical compressor. : de en
  • CH248822A - Device for roughening erasers. : de en
  • US2421182A - Stroboscope : en
  • FR922033A - Improvements in processes for the treatment of hydrocarbons : en fr
  • FR922070A - Reclosing device : en fr
  • GB588566A - Electron discharge device : en
  • ES177642A3 - A PROCEDURE OF MAKING A COATING MATERIAL : en es
  • GB588528A - An improved chamber for housing apparatus such as electric meters or relays : en
  • AU1175547A - Improvements in and relating to conveyors for tableting or other automatic machines : en
  • AU124254B2 - Improvements in and relating to fertilizers : en
  • AU137851B2 - Rock drills : en
  • US2421119A - Margin calculator for typewriters : en
  • US2421258A - Control arrangement for refrigeration apparatus : en
  • USD146823S - Design for a comb : en
  • US2421211A - Spreading attachment : en
  • ES177635A1 - A PROCEDURE FOR MANUFACTURING TOY DETONATOR GUNS : en es
  • GB588697A - New and improved process for the production of shaped articles from polymers and copolymers of tetrafluoroethylene : en
  • CH248727A - Mosaic parquet. : en fr
  • US2421325A - Nonsurge means : en
  • ES175850A1 - A MACHINE FOR THE PRODUCTION OF COLADA MOLDS : en es
  • ES176500A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 176488 : en es
  • US2421263A - Magnetostrictive electroacoustic transducer : en
  • US2421275A - Metallic safety bar for doors : en
  • FR922028A - Improvements to bread dough dividing machines : en fr
  • ES174605A1 - A PROCEDURE AND DEVICE FOR THE PACKAGING AND SPRAYING OF LIQUIDS AND DISINFECTING, DEODORIZING AND ANALOGUE DISSOLUTIONS : en es
  • GB588501A - Improvements in or relating to jet nozzles for jet propulsion and gas-turbine systems : en
  • ES14919U - Perfect razor shaver (Machine-translation by Google Translate, not legally binding) : en es
  • US2421082A - Lubricant : en
  • FR922012A - Device for fixing the needle hole plate of a sewing machine : en fr
  • FR922149A - Method and devices for the rapid construction of buildings in reinforced concrete or not, for residential or other use : en fr
  • FR922037A - Scenic device, with secret closure, for miraculous escape effect : en fr
  • GB588544A - Improvements in or relating to fine measuring devices or gauges : en
  • GB588667A - A combined boiler and hot storage unit for water : en
  • GB588687A - Improvements in or relating to the manufacture of cigarettes : en
  • CH248945A - Electrical resistance in which a resistive layer is applied to a metal substrate. : de en
  • US2421167A - Parachute cluster : en
  • PL33288B1 - Internal self-centering handle : en pl
  • ES177674A1 - A PROCEDURE FOR THE ELIMINATION, DURING THE OPERATION OF THE EXPLOSION ENGINE, OF THE CRACKS OR EROSURES OF THEIR CYLINDERS : en es
  • ES177736A1 - A SUPER-REGENERATIVE RECEIVER FOR FREQUENCY OR PHASE MODULATED WAVE SIGNALS : en es
  • FR54071E - self-locking acorn nut : en fr
  • GB588643A - Apparatus for applying cement, plaster or other plastic composition to walls, ceilings or other surfaces : en
  • SU69305A1 - Klublorezitelny device to potato planter : en ru
  • FR922032A - Improvements to devices for obtaining stable combustion of fuel in high velocity gas streams : en fr
  • GB588587A - Improvements in or relating to hoses and tubing : en
  • GB588622A - Improved gangways for tanks : en
  • US2421107A - Process for thickening latex : en
  • ES177696A1 - IMPROVEMENTS IN OR RELATED TO TELECOMMUNICATION SYSTEMS OF SEVERAL SUBSCRIBERS BY LINE : en es
  • ES177743A3 - AN APPARATUS FOR THE PREPARATION AND CONSERVATION OF PRODUCTS AND BEVERAGES REFRESHING OR NOT : en es
  • GB588646A - Improvements in or relating to sights for rifles or like small arms : en
  • US2421284A - Pressure actuated switch : en
  • ES14978U - Obtaining ring for fountain pens and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177583A3 - A MACHINE TO APPLY MOBILE COATING FILMS : en es
  • ES177689A1 - IMPROVEMENTS IN OR RELATING TO POTENTIAL DIVIDERS OR POTENTIOMETERS OF ELECTRICAL RESISTANCE : en es
  • US2421330A - Resilient tire : en
  • US2421212A - Operation of fluidized systems : en
  • AU1099547A - Improvements in or relating toa record changing mechanism for magazine gramophones : en
  • CH248972A - Electrical signal transmission system with means for at least approximately eliminating echo signals. : de en
  • CH248966A - Suction cup. : en fr
  • CH249007A - Process for the preparation of a new quaternary ammonium compound. : de en
  • ES14940U - Special stopper for bottles and other containers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177685A1 - IMPROVEMENTS IN OR RELATED TO ELECTRICAL SIGNALING SYSTEMS : en es
  • FR922052A - Advanced discharge electric lamps : en fr
  • GB588571A - Improvements in or relating to burners for liquid fuels : en
  • FR922029A - Improvements to conveyor furnaces and the like : en fr
  • CH248741A - Convertible furniture lock. : de en
  • CH248916A - Coupling device for work machines driven by V-belts. : de en
  • US2421139A - Dual steering mechanism : en
  • ES171015A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CLOSURES FOR DRUMS AND SIMILAR CONTAINERS : en es
  • ES177752A2 - SOME IMPROVEMENTS IN THE SANDING MACHINES, TUBER CLEANERS : en es
  • GB588597A - Improvements relating to pyrophoric lighters : en
  • ES14923U - Reinforcing concrete pieces for the formation of floors and roofs (Machine-translation by Google Translate, not legally binding) : en es
  • FR922079A - Improvements to superheaters : en fr
  • ES14347Y - Fountain pen charger. : en es
  • GB588583A - Improvements in or relating to electrically controlled hydraulic actuating systems : en
  • IE17588L - Nail varnish bottle : en
  • FR922084A - Photographic photographs and process for obtaining them : en fr
  • US2421099A - Recapping of tires : en
  • US2421196A - Sash lock : en
  • AU136126B2 - Improvements in and relating to conveyors for tableting or other automatic machines : en
  • AU137816B2 - Improvements in or relating to plasticized amino resinous compositions : en
  • CH248915A - Fluid slip clutch. : de en
  • AU138448B2 - Improvements in fastenings for attache and suitcases andthe like : en
  • CA441668A - Crank case flusher : en fr
  • ES177552A2 - PROCEDURE AND INSTALLATION FOR TEMPERING GLASS OBJECTS, AND ESPECIALLY OPTICAL LENSES : en es
  • FR922094A - Devices for freezing products and their transport in the frozen state : en fr
  • SU68249A1 - A device for carrying out repairs of bottom devices and the bottom part of scows afloat : en ru
  • US2421304A - Portable electric exhausting fan : en
  • USD146836S - Design fob a handle for hand luggage : en
  • CA441741A - Coupling between resonators and electron streams : en fr
  • CA441661A - Anti-rooter and weaner : en fr
  • CH248761A - Hospital table. : de en
  • US2421268A - Method and apparatus for making air insulated cable : en
  • CH248853A - Contact system controlled by an electrical measuring device. : de en
  • CH249037A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • FR922043A - Elastic shock absorber for gears : en fr
  • US2421252A - Tub construction for two-tub spinner type clothes washing machines : en
  • CH248778A - Portable sewing machine with a free sewing arm attached to a piece of furniture. : de en
  • ES177619A1 - A MACHINE OF HINCAR FASTENERS : en es
  • GB588553A - Dial gauges : en
  • GB588589A - Improvements in and relating to centrifugal separators : en
  • CH249036A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • CH248817A - Combined, springy suction and blowing nozzle on pneumatic sheet feeders. : de en
  • CH248953A - Electron discharge device with cavity resonator. : de en
  • BE472676A - : en fr
  • FR922098A - Auxiliary lighting device for telephone sets : en fr
  • GB588606A - Improvements in and relating to inclined-crank and wobbler mechanism : en
  • GB588680A - Improvements in electrical adapters and plug and socket connectors : en
  • FR54080E - Electro-tubular electric heater : en fr
  • ES14208Y - Pocket case with sewing kit. : en es
  • FR922041A - Cistern for w. vs. or any other device : en fr
  • BE472482A - Automotive router : en fr
  • CA441647A - Ticket issuing machine : en fr
  • CH248770A - Die for artificial silk. : en fr
  • CH248995A - Dynamo system built into the wheel hub, especially for bicycles. : de en
  • ES177740A1 - STRUCTURE FOR HYDRAULIC PRESS : en es
  • GB588537A - Improvements in or relating to erecting devices for gyroscopic apparatus : en
  • AU1102547A - Improved apparatus forthe production ofan optical illusion tobe usedfor advertising purposes : en
  • CH248846A - Direction-finding device in which two identical, directional antenna systems set up at an angle are used. : de en
  • US2421359A - Atomiser : en
  • ES177623A1 - IMPROVEMENTS IN THE CONTINUOUS MACHINES OF HILAR : en es
  • US2421237A - Air charger for jet pumps : en
  • AU1172647A - Improvements in or relating to electric transformers and reactors : en
  • US2421344A - Colorimeter : en
  • US2421121A - Method of dehydrating foodstuffs : en
  • ES177733A3 - A FURNACE FOR LIQUID FUELS : en es
  • GB588614A - Swash plate reciprocating pumps : en
  • US2421329A - Fuel injection nozzle : en
  • GB588604A - Improvements in and relating to electric time delay relays : en
  • CA441722A - Spraying device for liquids : en fr
  • US2421286A - Insulator tie for line conductors : en
  • GB588538A - A new or improved swivelling mounting for mirrors and other fittings : en
  • GB588554A - Improvements in or relating to pre-gummed papers, fabrics and like sheet materials : en
  • GB588582A - Improvements in means for preventing the theft of cycles : en
  • ES14191U - Male for tapping. (Machine-translation by Google Translate, not legally binding) : en es
  • AU135511B2 - Improvements in or relating to vapour generators : en
  • CH248714A - Device for injecting liquid into the soil. : en fr
  • AU1179547A - Improvements to and relating to marine sextants andthe like : en
  • ES15023U - Improved support for sofas-swings. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177104A1 - A LIFTING DEVICE FOR LANDING TRAINS : en es
  • ES14321Y - Toy, consisting of a flying element, with its trigger. : en es
  • US2421357A - Strip lace and method of making same : en
  • AU138059B2 - Improvements relating tothe formation of glass andother thermoplastic tubes : en
  • FR922087A - Improvements to rotary pallet machines : en fr
  • ES177548A3 - A FILM SPREADER SYSTEM FOR FLUID TENUES, APPLICABLE TO PERFUMERY OR THERAPEUTICS : en es
  • ES177605A1 - A ELECTRIC, SIMPLIFIED SINK, SPECIAL APPLICATION IN REDUCED SPACE KITCHENS, AND WITHOUT ANY SERVING : en es
  • US2421239A - Piano action : en
  • ES14351Y - Atomizer device. : en es
  • ES174554A1 - AN APPARATUS FOR THE INTRODUCTION OF REINFORCEMENT WIRES IN CEMENT AND ASBESTOS OR SIMILAR PLATES : en es
  • US2421169A - Automatic telephone system directed with the aid of revertive audio-frequency signals : en
  • US2421242A - Domestic washing machine and method : en
  • US2421287A - Curling rod : en
  • US2421348A - Method and apparatus for tagging garments : en
  • FR922020A - Apparatus for conditioning foundry sand with independent conditioning element : en fr
  • GB588595A - Improved optical precision gauge : en
  • US2421014A - Garbage grinder of the vertical axis rotary hammer type : en
  • GB588638A - Coupling-stage for radio apparatus : en
  • ES14982U - New reinforcement device and support of sommiers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES176310A3 - IMPROVEMENTS IN TUNING OF RADIO RECEIVING DEVICES : en es
  • GB588609A - Improvements in and relating to methods of indirectly heating non-conductive materials by electromagnetic induction : en
  • ES14946U - Sommier perfected with new clamping device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES176646A1 - IMPROVEMENTS IN VEHICLE BODIES : en es
  • GB588658A - Improvements in or relating to the production of polymeric resin sheets : en
  • CH248941A - Automatic charging and buffering device for accumulator batteries. : de en
  • US2421110A - Lacing probe : en
  • US2421150A - Contact printer : en
  • US2421075A - Friction shock absorbing mechanism : en
  • US2421340A - Detection of obstacles by means of electromagnetic impulses : en
  • ES14929U - Metal cap. : en es
  • ES176107A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CAPOTS FOR VEHICLE BODYWORKS : en es
  • ES15002U - Marmita campfire. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177622A3 - A PROCEDURE FOR OBTAINING METHACRYLIC ACID AND ITS ESTERS : en es
  • FR922142A - Improvements in the technique of evaporation by vapor compression : en fr
  • US2421092A - Stop motion for knitting machines and the like : en
  • US2421103A - Sprinkler unit : en
  • GB588671A - Improvements in or relating to pyrotechnic compositions : en
  • USD146833S - Design fob a cork puller : en
  • ES175786A1 - IMPROVEMENTS INTRODUCED IN COLORED PHOTOGRAPHS : en es
  • FR922127A - Method and device for regulating the driving speed of endless belts, and in particular of driving belts with control rolls : en fr
  • GB588586A - Improvements in and relating to regulating devices for electric drives : en
  • ES177757A1 - IMPROVEMENTS IN THE FLEXIBLE BEARINGS OR SUPPORTS : en es
  • GB588533A - Improvements in or relating to loose covers for chairs, settees and the like : en
  • GB588550A - Improvements in or relating to pruning or like tools : en
  • ES177240A1 - A SYSTEM TO MECHANICALLY ACHIEVE THE HAIR WAVE : en es
  • ES177576A1 - A CLASSIFIER FILE WITH AUTOMATIC MANEUVER FOR THE SELECTION AND PRESENTATION OF THE FILES : en es
  • ES14970U - Luminous indicator device of the situation of the switches of the electric lamps for lighting (Machine-translation by Google Translate, not legally binding) : en es
  • FR922040A - Grinding wheel device rotating in a tank to condition the foundry sand : en fr
  • US2421081A - Tested channel radio communicating system : en
  • ES177554A1 - A PROCEDURE FOR THE SIMULTANEOUS PREPARATION OF SULFURIC ACID, HYDROCHLORIC ACID AND SODIUM CHLORIDE, STARTING FROM SODIUM SULPHATE OR SODIUM BISULPHATE : en es
  • US2421038A - Wrench : en
  • AU2041745A - Recovery of material from roaster gases : en
  • ES14955U - A sleeve or funnel for pastry decoration (Machine-translation by Google Translate, not legally binding) : en es
  • FR922144A - Device for the classification of rectangular files : en fr
  • GB588590A - The preparation of articles consisting essentially of a polymer of tetrafluoroethylene : en
  • FR922013A - Improvements to devices for preparing hot drinks and particularly to those used for espresso : en fr
  • GB588612A - Improvements in or relating to reciprocating ram pumps : en
  • GB588664A - Improvements in or relating to knitting machines : en
  • FR922046A - Machine for trimming hedges and shrub curtains : en fr
  • FR922076A - Vacuum-tight seals for parts of metal and glass or the like : en fr
  • GB588527A - Flashing sign : en
  • PL33282B1 - A device for determining the coordinate points in a mine with respect to the coordinate points on the surface : en pl
  • GB588601A - Improvements in or relating to gas turbine plant : en
  • CH249004A - Process for the preparation of a new amide derivative. : de en
  • FR54068E - Mechanically controlled acetylene gas generator allowing rational use of calcium carbide : en fr
  • US2421113A - Vegetable protein hydrates : en
  • US2421125A - Low voltage hot knife : en
  • ES177692A1 - IMPROVEMENTS IN OR RELATED TO ELECTRICAL SIGNALING SYSTEMS : en es
  • ES14989U - Prefabricated panels of tongue and groove brick (Machine-translation by Google Translate, not legally binding) : en es
  • GB588692A - Electrical release bomb unit for toy captive aeroplanes : en
  • ES14868U - Device for fixing the body of the grips to the attached metal pins. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177778A1 - A PROCEDURE TO ELIMINATE THE SUPERFLUOUS HAIR OF TOUCH AND WOOL LABELS : en es
  • IS161B6 - Methods and equipment for fish processing. : en is
  • GB588505A - Electric control and distribution panel : en
  • US2421270A - Rocking horse : en
  • GB588543A - Improvements relating to electric selective signalling systems : en
  • US2421308A - Venetian blind : en
  • US2421261A - Hardware and screen cloth machine : en
  • CH248889A - Wedge, in particular for work on machine tools. : en fr
  • ES177711A1 - A UNILATERAL FEED MELTING FURNACE WITH METAL HEAT EXCHANGERS TO HEAT CONTINUOUS FLOW AIR AND GAS FOR A MARTIN PROCEDURE : en es
  • GB588639A - Improvements in or relating to rockets : en
  • FR922086A - Improvements to machine tools : en fr
  • USD146832S - Design for a buffet chafing dish : en
  • CH248723A - Mat for ceiling and wall plastering. : de en
  • FR922143A - Closure device for handbags : en fr
  • US2421245A - Heat exchange element : en
  • ES177056A3 - IMPROVEMENTS IN THE MANUFACTURE OF LOCKS : en es
  • ES177691A1 - PROCEDURE FOR THE MANUFACTURE OF ELECTRICAL INSULATING MATERIALS : en es
  • GB588617A - Improvements in apparatus for producing cellular material : en
  • ES14323Y - Sofa bed. : en es
  • GR11169B - AUTOMATIC CONTROL OR TELEPHONE TRANSMITTER. : el en
  • FR54082E - Thermal power plant, air and steam : en fr
  • ES14242Y - Device for double ignition of internal combustion engines. : en es
  • GB588521A - Improvements in or relating to automatic control systems for air compression plants : en
  • GB588588A - Improvements in and relating to stands for basins and the like when using saucepans and boilers as steamers : en
  • CH248753A - Device suitable for holding fruits, tubers and the like. : de en
  • ES14950U - Incandescent lamp with condenser lens (Machine-translation by Google Translate, not legally binding) : en es
  • ES176156A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF THE PNEUMATIC TOOLS, AND IN PARTICULAR, IN THE OF THE PICKER HAMMERS : en es
  • FR922050A - Combined mercury vapor lamp and switch : en fr
  • FR922108A - Twist drill sharpening improvements : en fr
  • GB588559A - Improvements in or relating to gauges : en
  • GB588690A - Improvements in heating devices : en
  • US2421224A - Furnace for heat treatment of metal : en
  • US2421104A - Swivel joint for sprinklers : en
  • US2421222A - Multirange load measuring apparatus : en
  • AU124247B2 - Improvements in directional shortwave aerials : en
  • CH248780A - Process to make products made from animal, vegetable and synthetic fibers resistant to acids, bases and other solid, liquid or gaseous chemicals. : de en
  • FR54097E - Floor system in prefabricated elements : en fr
  • CA441657A - Metal parts protecting apparatus in boiler installations : en fr
  • CA441679A - Overload relay : en fr
  • US2421146A - Device to teach speech to deaf and hard of hearing students and others : en
  • AU133518B2 - Improvements in or relating togas compressors : en
  • AU138411B2 - Improvements in or relating tothe production of insulating films on ferrous metal members and members, particularly magnetic sheet material, so treated : en
  • CH249019A - Process for the preparation of an ester type azo dye derivative. : de en
  • CH248771A - Process for spinning very strong viscose threads. : de en
  • FR922083A - Improvements to non-blinding lighting for vehicle crossings : en fr
  • GR11172B - METHOD OF PAINTING AND CHANGING THE COLORING OF READY-MADE ARTIFICIAL TEXTILES, ARTIFICIAL AMIDERIO (NYLON) AS WELL AS ARTIFICIAL LEATHER SUITE, MAT,. : el en
  • AU135944B2 - An improved insulated electric conductor : en
  • ES14150Y - Reinforced shipping label : en es
  • ES177568A1 - A PROCEDURE FOR THE OBTAINING OF NEW POLYAZOCOLORIZERS : en es
  • CA441712A - Door operator : en fr
  • CH248887A - Device for handling magnetizable objects. : de en
  • CH248946A - Process for the production of electrical wire resistors with a protective layer which does not cover the wire in places, as well as a resistor produced according to this process. : de en
  • US2421151A - Rat guard for ships' cables and lines : en
  • GB588502A - Improvements in or relating to control means for variable jet-nozzles of jet propulsion and gas-turbine systems : en
  • US2421307A - Garment hanger : en
  • FR54061E - Electro-mechanical remote control device : en fr
  • ES14987U - Pocket watch. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177539A3 - AN ELECTRIC HEATING APPLIANCE : en es
  • GB588666A - Improvements in or relating to gulley emptying apparatus incorporating a vacuum chamber : en
  • FR922081A - Automatic seed drill : en fr
  • FR922096A - Feeder for fishing : en fr
  • CA441748A - Sound translating device : en fr
  • BE472319A - Process for obtaining sulfuric acid and sodium chloride : en fr
  • AU124292B2 - Improvements in transmission mechanism : en
  • AU1550844A - Improvements in and relating to louvres : en
  • ES14954U - Improved baby bottle. (Machine-translation by Google Translate, not legally binding) : en es
  • ES14992U - Apparatus for the delimitation of land in rural properties. (Machine-translation by Google Translate, not legally binding) : en es
  • AU1090947A - Improvements connected with perambulators or like carriages : en
  • AU1819244A - An improved drive mechanism : en
  • US2421360A - Fluid coupling : en
  • CH248749A - Process for supplying liquid fuel to the nozzle of a furnace, and apparatus for carrying out this process. : de en
  • CH249042A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • GB588558A - Improvements in variable resistance units with screw adjustment devices : en
  • ES177756A1 - IMPROVEMENTS IN FORCE TRANSMISSION MECHANISMS : en es
  • CA441644A - Gauging apparatus for frusto-conical articles : en fr
  • US2421018A - Radio detection system : en
  • US2421279A - Body with movable parts : en
  • CA441765A - Directional transmitter and wireless direction finder for electromagnetic oscillations : en fr
  • US2421172A - Quickly detachable fastener : en
  • US2421278A - Nut structure : en
  • AU124291B2 - Recovery of material from roaster gases : en
  • CH248767A - Vessel. : de en
  • CH249017A - Process for the preparation of an ester type azo dye derivative. : de en
  • GB588645A - Improvements in saucepan or like handles : en
  • CA441656A - Metal parts protecting apparatus in boiler installations : en fr
  • ES177803A1 - IMPROVEMENTS IN NON-METALLIC GLASSES FRAMES : en es
  • GB588701A - Improvements in or relating to insulation of boilers, storage tanks and the like : en
  • CH248930A - Gas turbine plant. : de en
  • ES177535A1 - A PROCEDURE TO REDUCE THE TREND TO FELT AND SHRINK OF THE WOOL : en es
  • ES177590A1 - A NEW COLORIMETER : en es
  • AU1425444A - Improvements in piezoelectric oscillators : en
  • CH249003A - Process for the preparation of a new amide derivative. : de en
  • CH248937A - Plug-in and plug-in device. : en fr
  • CH249039A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • CH249048A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • ES176561A1 - A PROCESS FOR THE MANUFACTURE OF FLEXIBLE SURFACES, CONTINUOUS OR NOT, BASED ON FLEXIBLE, TUBULAR OR SOLID CORDS, OF SYNTHETIC RESIN OR SIMILAR MATERIAL : en es
  • CA441675A - Valved bag : en fr
  • CH248994A - Safety device for a wheel axle, in particular a bicycle wheel. : en fr
  • AU130057B2 - Improvements in piecrust tables andthe like : en
  • ES177703A1 - IMPROVEMENTS IN OR RELATING TO MULTI-CHANNEL CARRIER-WAVE COMMUNICATION SYSTEMS : en es
  • FR922003A - Manufacture of new pyrimidine compounds : en fr
  • CH248843A - Measuring device with means for setting adjustable final dimensions. : de en
  • CH248871A - Method and device for the automatic correction of the time indication of clocks connected to alternating current networks. : de en
  • US2421155A - Electric cable unit and method of making the same : en
  • SU68378A2 - Automatic locomotive brake air distributor : en ru
  • ES14343Y - Sofa-bed model. : en es
  • ES15020U - Rubber stamps. (Machine-translation by Google Translate, not legally binding) : en es
  • AU2082245A - Conveyor loader with diagonal belt : en
  • CH248830A - Figure with moving parts. : de en
  • AU139354B2 - Locknut and method and apparatus for manufacturing thesame : en
  • AU1092847A - Improvements in or relating to vapour generators : en
  • BE472438A - Method for preparing photographic color images : en nl
  • AU386546A - Improved arithmetical calculator : en
  • CA441683A - Sheet registering mechanism : en fr
  • ES177474A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 174277 : en es
  • AU136611B2 - Improvements in submerged melt welding : en
  • AU1545444A - Improvements in and relating to fertilizers : en
  • CH248980A - Overlay receiver with one-button voting. : de en
  • ES177617A1 - IMPROVEMENTS IN THE STRETCHING MECHANISMS OF THE SPINNING AND PREPARING MACHINES : en es
  • ES177762A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CLUTCH DISCS : en es
  • US2421060A - Tabulator : en
  • CA441685A - Tuning device clutch : en fr
  • CA441718A - Pentane isomerization : en fr
  • FR922015A - Drawing device : en fr
  • AU128927B2 - An improved salt dispenser : en
  • US2421148A - Electromagnetic relay circuit : en
  • AU1182847A - Improvements in meat tenderizing machines : en
  • CH248850A - Torsion dynamometer. : en fr
  • US2421085A - Target seeking aerial bomb : en
  • US2421095A - Apparatus for fillet arc welding : en
  • CA441681A - Transformer power output controlling means : en fr
  • ES177073A1 - A WATER ELEVATOR : en es
  • FR922021A - Device for checking the electrical pipes of automobiles to detect the location of their defects : en fr
  • AU124257B2 - Improvements in or relating to container closures : en
  • ES177558A1 - A PROCEDURE FOR PREPARING LEATHER : en es
  • AU1182347A - Improvements relating to apparatus for operating devices having negative resistance characteristic froman alternating electric current supply circuit : en
  • AU137318B2 - Improvements in or relating to compression ignition internal combustion engines : en
  • CH248940A - Termination for high voltage cables with metal sheath. : de en
  • FR54092E - High frequency coil : en fr
  • ES14319Y - Cooling block for the radiators of internal combustion and internal combustion engines. : en es
  • FR922022A - Super-regenerative wave receiver : en fr
  • GB588681A - Improvements in bayonet fittings for electric lamp holders and like couplings : en
  • ES177675A1 - A SHARPENING GRINDING MACHINE FOR ROUNDED SURFACES : en es
  • CH248789A - Centrifugal mill. : en fr
  • CH248840A - Outside measuring device. : de en
  • AU139784B2 - Improved method of producing higher molecular alcohols : en
  • FR922097A - New game of dice and pawns inspired by the rules of tennis : en fr
  • ES15017U - Check valve for inflation pump fittings for bicycles, motorcycles and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421149A - Pressure actuated switch : en
  • US2421256A - Plumb line reel : en
  • US2421355A - High-speed motor : en
  • ES15014U - Knife holder for rotating system. (Machine-translation by Google Translate, not legally binding) : en es
  • AU1877745A - Embedded element sole plate and method of making : en
  • ES177641A3 - A PROCEDURE OF REMOVING A COOKED PHENOL-FORMALDEHYDE LAYER FROM A PREDOMINANTLY ALUMINUM BASE : en es
  • FR922110A - Take-up roller for knitting machines : en fr
  • FR922122A - Process and installation for the manufacture of hollow concrete objects and resulting products : en fr
  • ES14952U - Tricycle or pedal with sliding seat (Machine-translation by Google Translate, not legally binding) : en es
  • AU136471B2 - Viewing screen and method of making thesame : en
  • GB588523A - Improvement in method and apparatus for producing a series of die cast articles : en
  • GB588678A - Improvements in or relating to variable ratio power transmission apparatus : en
  • ES14354Y - Envelope letter. : en es
  • USD146839S - Casing for hearing aid apparatus : en
  • FR922042A - Apparatus and method for geophysical exploration : en fr
  • FR922044A - Combustion chamber for internal combustion engines : en fr
  • FR922118A - Short-circuit armature improvements : en fr
  • ES14963U - Switch for radio receivers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177526A1 - IMPROVEMENTS IN THE FINS HEATING APPLIANCES : en es
  • ES177615A1 - A PURIFICATION PROCEDURE OF THE ILMENITE, RUTILE OR OTHER IRON AND TITANIUM COMPOUNDS, BY SEPARATION OF THE FERROUS OR FERROUS OXIDE : en es
  • US2421123A - Hand truck : en
  • US2421296A - Can opener : en
  • FR54079E - Reduction of ferruginous impurities : en fr
  • CH249055A - Process for the preparation of a basic amide of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • FR54055E - Improvements to current rectifiers and similar devices : en fr
  • US2421077A - Projector apparatus : en
  • FR922067A - Improvements to measuring devices with rectifiers : en fr
  • GB588504A - A process for the production of new and useful derivatives of polyvinyl alcohols : en
  • GB588628A - Improvements relating to brake magnets for the rotors of electric meters : en
  • ES14998U - Fittings for pipes in general. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588633A - Improvements in or relating to apparatus for the heat treatment of cylindrical or such like surfaces : en
  • CH248784A - Elastic underwear. : en fr
  • US2421366A - Textile marking apparatus : en
  • US2421124A - korum : en
  • USD146841S - Design for a vacuum cleaner : en
  • US2421017A - Communication and guiding system : en
  • ES158111A1 - PROCEDURE TO IMPROVE THE FIRMNESS WHEN WASHING IN THE WATERPROOF PROPERTIES OF FABRICS : en es
  • FR54053E - Improvements to filters such as, in particular, those used in gas purifiers : en fr
  • ES177538A1 - A PROCEDURE TO CRYSTALLIZE THE POINT GENRES, ESPECIALLY STOCKINGS : en es
  • BE472694A - Pocket inhaler : en fr
  • CH248768A - Automatic filling limiter device. : en fr
  • US2421214A - Rabbit feeder : en
  • ES14314Y - Flange to receive the cap and fix the seals of the metal drum closures. : en es
  • ES177789A1 - NEW STARTING OR STARTING APPARATUS FOR SINGLE-PHASE INDUCTION MOTORS, ALSO CALLED FROM A STARTED PHASE : en es
  • CA441645A - Post : en fr
  • CH248912A - Machine with guard. : de en
  • US2421269A - Strand winding apparatus : en
  • GB588584A - Improvements in or relating to revolving cylinder reciprocating pumps : en
  • US2421084A - Electric motor control system : en
  • US2421120A - Apparatus for effecting chemical reactions : en
  • ES177453A3 - IMPROVEMENTS IN AND RELATED TO ELECTRICAL RESISTANCES : en es
  • ES177760A1 - KEYLESS MECHANICAL LOCK : en es
  • FR54056E - Multiple tool holders for machining machines : en fr
  • US2421122A - Sizing compositions and yarn sized therewith : en
  • CH248797A - Process for the production of sulfuric acid, especially in small plants, and plant for carrying out the process. : de en
  • US2421323A - Manufacture of sliding clasp fasteners : en
  • ES14938U - Strainer for various uses (Machine-translation by Google Translate, not legally binding) : en es
  • US2420999A - Apparatus for the manufacture of amorphous carbon : en
  • ES14988U - Zip doors. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588549A - Surface curing of amine modified alkyd resins : en
  • US2421255A - Ultra high frequency oscillator : en
  • US2421363A - Process for treating fabrics : en
  • GB588700A - Improvements in the elimination of cellulose ester fibres from mixed textile materials containing wool : en
  • FR922125A - Method and devices for installing various pipe networks in a building : en fr
  • FR922075A - Improvements to mechanical pencils in several colors : en fr
  • FR922102A - Improvements in electromagnetic transmissions : en fr
  • FR922116A - Improvements to electromagnetic couplings or clutches : en fr
  • GB588574A - Improvements in rubber and synthetic rubber compositions : en
  • ES177637A1 - A PROCEDURE FOR THE DECORATION OF CERAMICS, GLASS AND SIMILAR, BASED ON DECALS : en es
  • FR922017A - Catalytic transformation of hydrocarbons : en fr
  • US2421166A - Means for giving warning of the formation of ice on aircraft : en
  • US2421273A - Ultra high frequency electric discharge device : en
  • US2421176A - Demountable wheel : en
  • USD146824S - Design fob a spoon : en
  • US2421184A - Apparatus for electric welding of studs : en
  • ES177132A1 - A SYSTEM OF MOLDING OF GLASS AND GLASS PIECES : en es
  • US2421161A - Grid structure for electron discharge tubes : en
  • ES177575A1 - A SANDING AND POLISHING MACHINE : en es
  • FR922112A - Improvements to electrical counting devices : en fr
  • US2421065A - Device for shaping lenses : en
  • US2421134A - Universal joint : en
  • AU1177747A - Key-locked fastenings of attache cases andthe like : en
  • ES14945U - Device for the treatment of rectal conditions. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177177A1 - IMPROVEMENTS IN INTERNAL COMBUSTION ENGINES : en es
  • CH248851A - Metal hardness tester. : de en
  • ES14874U - Meridiana. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177105A1 - AN AIRCRAFT DEVICE : en es
  • ES14930U - Instrument to facilitate the extraction of blood from the lobe of the ear for clinical purposes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588634A - An improved electrical overload relay : en
  • US2421152A - Load coupling device for parachutes : en
  • CA441766A - Electric discharge tube : en fr
  • ES14872U - Lock nut (Machine-translation by Google Translate, not legally binding) : en es
  • ES177763A1 - A PROCEDURE FOR A SOLUTION OF EXACLOROBENCEN : en es
  • US2421158A - Cutting oil base : en
  • AU1559144A - Improvements in or relating to welding apparatus : en
  • BE472900A - : en
  • CH248763A - Table with ironing board. : de en
  • CH248954A - Device for generating ultra high frequency oscillations by means of transit time modulation : de en
  • CH248785A - Men's trousers. : de en
  • US2421230A - Electrohydraulic position control system : en
  • ES14245Y - Flat fruit extractor. : en es
  • GB588509A - Improved clothes washing machine : en
  • GB588524A - An improved method of producing cellular concrete and the product thereby produced : en
  • CH248952A - Rectifier with a number of plate rectifier elements connected in parallel. : de en
  • ES177788A1 - A PROCEDURE FOR BLEACHING CELLULOSE FIBERS : en es
  • ES15024U - Light packaging for air transport of delicate fruits, especially strawberries. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421238A - Reinforced collapsible paperboard container : en
  • ES177574A1 - IMPROVEMENTS IN FINISH ROCKETS : en es
  • ES173640A1 - RATIONAL DOCK : en es
  • ES177612A1 - A PROTECTIVE APPARATUS FOR PRESSES AND SIMILAR MACHINES : en es
  • US2421301A - Single-phase alternating current synchronous motor : en
  • AU136834B2 - Improvements relating to shock absorbers : en
  • CH248991A - Vehicle spoke wheel with pneumatic tire and two-part rim. : de en
  • CH248893A - Emery tape and process for its manufacture. : de en
  • CH248922A - Rotary piston machine. : de en
  • AU1176247A - Viewing screen and method of making thesame : en
  • AU1161747A - Improvements in or connected withthe mechanical brake systems of winding engines, haulages andother rotating machines : en
  • USD146825S - Design fob a scarf : en
  • ES14869U - Domed metal cloth covers. (Machine-translation by Google Translate, not legally binding) : en es
  • FR54062E - Device for local showers : en fr
  • CH249053A - Process for the preparation of a basic amide of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • AU136539B2 - Improvements in or relating toa record changing mechanism for magazine gramophones : en
  • CH248821A - Directory device. : en fr
  • CH248762A - Table that can be used for ironing. : de en
  • CA441674A - Photographic masking device : en fr
  • AU136422B2 - Improvements relating to the mounting of gas or electric fires or other heating apparatus : en
  • CA441646A - Screening material : en fr
  • CA441716A - Keto-alcohol acetate manufacture : en fr
  • US2421101A - Apparatus for method for repair of tires : en
  • CA441763A - Aeroplane : en fr
  • USD146828S - Design fob a necktie holder : en
  • CH248783A - Clothespin. : de en
  • CH248735A - Process for the production of frost-resistant concrete or mortar. : de en
  • CH249057A - Packaging for the transport of at least one potted plant. : en fr
  • SU68284A2 - Device for drilling holes in casing : en ru
  • CA441705A - Hydraulic shock absorber : en fr
  • CH248782A - Set for tensioning a washing rope. : de en
  • ES174552A1 - A PROCEDURE FOR THE PRODUCTION OF COLORED IMAGES IN PHOTOGRAPHIC ELEMENTS THROUGH DEVELOPED COLOR FORMER : en es
  • US2421083A - Centrifugal coupling : en
  • CA441700A - Anode : en fr
  • CH248788A - Process for the preservation of products sensitive to oxidation. : de en
  • CH248807A - Method of attacking natural phosphates. : en fr
  • ES14925U - Patches for stockings (Machine-translation by Google Translate, not legally binding) : en es
  • US2421229A - Process for the separation of isobutene from a mixture of c hydrocarbons : en
  • CA441653A - Heat-retaining nursing bottle holder : en fr
  • AU1173847A - Improvements in or relating toa car coupler supporting device : en
  • CA441702A - Resilient mounting : en fr
  • CH248903A - Pyrophoric lighter. : en fr
  • CH248832A - Architectural building game. : en fr
  • CH248935A - Electric motor mounted on an oscillating axis to absorb noise and vibrations. : de en
  • AU381646A - Improvements in or relating to apparatus for washing drinking glasses andthe like : en
  • CA441671A - Coupler : en fr
  • FR922030A - Improved leveling device for chocolate molds or buckets and similar products and conveyor fitted with such a device : en fr
  • ES177611A1 - A PROCEDURE FOR THE MANUFACTURE OF ALCOHOLS OF HIGH MOLECULAR WEIGHT : en es
  • CA441686A - Aircraft engine direct air-cooling means : en fr
  • CA441736A - Spark discharge system for the production of electromagnetic waves : en fr
  • ES14934U - Hitch for elastic reinforcement of mattresses. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248720A - Pest control methods. : de en
  • CA441690A - Door locking system : en fr
  • ES14339Y - Mingitor brace : en es
  • US2421349A - Pressure modulating device for stone saws : en
  • AU1103547A - Improvements in or relating to electric heaters : en
  • CH249038A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • CA441695A - Plywood structure : en fr
  • FR922092A - Heating filaments for indirectly heated cathodes : en fr
  • GB588506A - Improvements in or relating to rollers for consolidating and/or levelling earth or ballast : en
  • GB588576A - Improvements in the manufacture of moulded brushes : en
  • CH248730A - Compaction apparatus. : de en
  • FR54087E - New catering table : en fr
  • CA441654A - Wheel structure : en fr
  • BE472716A - Process for extracting an acid from its solution : en fr
  • ES177582A1 - A PROCEDURE TO MANUFACTURE ELASTIC ARTICLES OF MOLDED POINT USING IMELASTIC OR ELASTIC WIRES THREADS AS ELASTIC OR INELASTIC AND ASPERIZABLE THREADS : en es
  • CH248764A - Metal container intended to be heated. : en fr
  • CA441680A - Locomotive drive : en fr
  • CA441725A - Timing apparatus : en fr
  • GB588621A - A new or improved device for producing a current of hot air : en
  • ES14240Y - Device for double ignition of internal combustion engines. : en es
  • ES14922U - Folding seat adapted to armed backpacks. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588540A - Improvements in or relating to wall and like structures : en
  • ES174160A1 - PROCEDURE FOR THE ELABORATION OF FOOD PRODUCTS BASED ON LEGUMINOUS : en es
  • ES177662A1 - IMPROVEMENTS INTRODUCED IN THE WATERPROOFING OF CARTON CONTAINERS, IN ORDER TO INSULATE ITS CONTENT OF THE ENVIRONMENTAL INFLUENCE : en es
  • AU124279B2 - Improvements in or relating to welding apparatus : en
  • CH248728A - Window. : de en
  • US2421233A - Ureido acid esters and method of making the same : en
  • US2421129A - Beta-isobutyl amino-beta, betadimethyl, ethyl benzoate : en
  • US2421202A - Hairpin dispenser : en
  • AU124287B2 - Improvements in or relating to preparation of organosilicon halides : en
  • ES14997U - Closure for deformable tubes intended to contain pasty substances (Machine-translation by Google Translate, not legally binding) : en es
  • ES14995U - Petaca perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • FR54074E - Reinforced concrete poles and pylons and their components for overhead conductors : en fr
  • ES14358Y - Lamp or lampshade with movable figures. : en es
  • CH248805A - Process for the preparation of an azo dye of the pyrazolone series. : de en
  • ES177690A1 - SYSTEM FOR GENERATING CHARACTERISTIC IMPULSES OF SOUND AND SIMILAR WAVES : en es
  • FR54066E - Movable wheel for centrifugal force compressor and method for its manufacture : en fr
  • ES177629A1 - A MACHINE FOR POLISHING PLATES FOR THE MAKING OF MOSAICS : en es
  • US2421140A - Christmas tree stand : en
  • ES175580A1 - A SALVATRIPULATION APPARATUS : en es
  • FR922104A - Accounting device : en fr
  • SU68556A1 - Method for partial compensation of non-stationary processes obtained when receiving telegraph signals : en ru
  • US2421244A - Packboard : en
  • US2421023A - Means for defining radio courses : en
  • GB588631A - Improvements in feather barb yarn : en
  • CA441691A - Aircraft power plant : en fr
  • CH248998A - Device for transmitting the command of the pitch variation to both propellers of a counter-rotating coaxial propeller system by means of a single command. : en it
  • CH248974A - Device for obfuscating spoken messages. : de en
  • ES176837A1 - A PROCEDURE FOR CENTRIFUGAL REGULATION FOR EXPLOSION ENGINES : en es
  • ES14948U - Box (Machine-translation by Google Translate, not legally binding) : en es
  • FR54086E - Clothing : en fr
  • ES174204A1 - A NEW PROCEDURE TO MANUFACTURE TISSUE WITH RIZO : en es
  • ES14093Y - Automatic cigarette lighter, combined with display lighting for advertising purposes. : en es
  • ES14949U - Trivet or table protector, spring and washable. (Machine-translation by Google Translate, not legally binding) : en es
  • FR922063A - Advanced device for fabric coloring, glass engraving, etc. : en fr
  • GB588596A - Improvements relating to holders for welding electrodes : en
  • SU68402A1 - Device for operating several horizons with one well. : en ru
  • US2421276A - Tool for inserting cylinder liners : en
  • FR922036A - Scenic illusionism device intended to give the appearance of a subject passing through a circular saw : en fr
  • ES15110U - Apparatus applicable to all kinds of balloon toys (Machine-translation by Google Translate, not legally binding) : en es
  • BE472755A - : en fr
  • CA441757A - Drafting apparatus for textile machines : en fr
  • CH248961A - Handpiece. : en fr
  • ES177595A3 - A PROCEDURE TO OBTAIN AN ENERGY SOURCE IN THE FORM OF ALTERNATIVE TILTING MOVEMENT, AUTOMATIC AND CONTINUOUSLY, WITH A SINGLE EXPENDITURE OF WATER NATURALLY EVAPORATED IN AN ORDINARY ENVIRONMENT : en es
  • GB588522A - Improvements in and relating to magnetic holding devices : en
  • ES14951U - Device to facilitate the operation of cutting the tiles, in order to obtain fragments of certain shape and dimensions. (Machine-translation by Google Translate, not legally binding) : en es
  • ES15011U - Universal bottle. (Machine-translation by Google Translate, not legally binding) : en es
  • FR922057A - Polymerization of hydrocarbons : en fr
  • ES177796A3 - PERFECTIONS IN THE MANUFACTURE OF HINGED JOINTS, WITH AUTOMATIC OPENING AND CLOSING : en es
  • GB588593A - Improvements in filing devices for record cards or the like : en
  • ES177683A1 - IMPROVEMENTS IN THE METHODS AND MEANS OF MANUFACTURING DRY RECTIFIERS : en es
  • ES177564A1 - IMPROVEMENTS IN OR RELATED TO DOOR LOCKING DEVICES : en es
  • GB588555A - Manufacture of diacylated aliphatic dihydroxy-sulphonic acids : en
  • ES177658A1 - A PROCEDURE FOR THE MANUFACTURE OF PHOTOGRAPHIC MATERIAL, SUITABLE FOR THE OBTAINING OF PHOTOGRAPHIC IMAGES IN COLOR : en es
  • US2421354A - Surgical instrument with mallet action : en
  • ES177682A1 - IMPROVEMENTS IN OR RELATED TO MULTI-CHANNEL COMMUNICATION SYSTEMS FOR ELECTRIC IMPULSES : en es
  • US2421291A - Printing ink : en
  • AU474246A - An improved salt dispenser : en
  • CA441711A - Scraper : en fr
  • ES14985U - Tube with fins. (Machine-translation by Google Translate, not legally binding) : en es
  • ES176767A1 - A PROCEDURE WITH THE CORRESPONDING DEVICE, FOR THE TWISTING OF THE WAGON : en es
  • US2421040A - Process of obtaining polar-type corrosion-inhibiting agents soluble in petroleum lubricating oils : en
  • US2421157A - Method of separating fatty acids : en
  • US2421293A - Defrosting method and apparatus : en
  • CH248928A - Machine with at least one free piston. : en fr
  • CH248754A - Holders for tea portion packs. : de en
  • US2421037A - Crop conveyor mechanism : en
  • ES14979U - Indeslizable mooring for false jaws on parallel bank screws for adjusters. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177273A1 - A NEW CLAMP SYSTEM FOR FIXING THE RUBBER FLOORS TO THE FOOTWEAR FOR THE VULCANIZED PROCEDURE : en es
  • AU1880345A - Improvements in or relating to electric alarm clocks : en
  • AU1097047A - Improvements in containers : en
  • ES13873Y - Contact lens. : en es
  • CH248722A - Roof, especially for houses that can be dismantled. : de en
  • CA441642A - Imitation leather cloth or skin : en fr
  • US2421290A - Electromagnetic switch : en
  • ES177589A1 - PROCEDURE FOR THE MANUFACTURE OF CLOTHES OF PERMANENTLY ATISEDED USE : en es
  • FR54051E - Process for the preparation of soluble salts of p-amino-benzenesulfonylthiourea : en fr
  • US2421262A - Machine for cutting fish : en
  • US2421289A - Abrasive belt machine : en
  • US2421299A - Transformer connection : en
  • ES177157A1 - A METHOD FOR PREPARING STABILIZERS FOR RUBBER : en es
  • ES177386A1 - A MECHANISM APPLICABLE TO A NEW RECREATIONAL TOY : en es
  • AU124244B2 - Means for uniting a screw witha driver : en
  • CH248943A - Electric push button switch. : de en
  • ES177800A1 - A SYSTEM FOR THE FIXING OF COILS AND NUCLEI IN THE RADIOECEPTORS APPARATUS : en es
  • US2421280A - Tufting button : en
  • SU68520A1 - Device for counting the angle of rotation of the axis : en ru
  • CH248777A - Gripper device on sewing machines. : de en
  • AU124271B2 - An improved combination arch support and dampcourse for use in building construction : en
  • US2421056A - Conveyor control system : en
  • AU1793844A - Improvements in and relating to bricks and brickwork and flashing for use therewith : en
  • ES176324A2 - PROCEDURE FOR THE CRYSTALIZATION AND SEPARATION OF THE GLUCOSE OBTAINED IN HONEY AND SIMILAR PRODUCTS : en es
  • ES177727A1 - A HYDRAULIC ELEVATOR APPARATUS, CALLED VULGARLY HYDRAULIC CAT : en es
  • GB588510A - Fog freeable runways for aircraft and plant associated therewith : en
  • IE17888L - Tube connections : en
  • CH248787A - Process for the production of moldings from dried milk. : de en
  • CA441649A - Snow and soil remover : en fr
  • US2421071A - Garment hanger : en
  • AU134249B2 - Preboarding machine : en
  • CA441723A - Pin type feeding device : en fr
  • AU1094147A - Improvements relating tothe formation of glass andother thermoplastic tubes : en
  • AU1170947A - An improved electrical insulating compound : en
  • US2421181A - Stud bolt : en
  • ES177112A1 - IMPROVEMENTS IN THE BATTERIES WITH ALKALINE ELECTROLYTE AND WITH REGENERATION OF THE ELECTROLYTE : en es
  • ES177537A1 - A PORTIONING DEVICE FOR ICE CREAM : en es
  • CA441708A - Electric contact : en fr
  • GB588652A - Electrical contact materials and contacts and methods of making the same : en
  • AU1179847A - A method for packing butter and similar products and device for carrying out the method : en
  • CH248792A - Process for preserving meat and meat obtained by this process. : en fr
  • AU133646B2 - Improved apparatus forthe production ofan optical illusion tobe usedfor advertising purposes : en
  • CH248719A - Automatic feed ration dispenser for horses and other animals. : en fr
  • US2421039A - Cathode structure : en
  • US2421089A - Refrigerator shelf : en
  • GB588565A - Improvements in anti-corrosion mineral oil compositions : en
  • GB588567A - Improvements in or relating to the method of making cellulose film bags : en
  • GB588663A - Flow measuring device : en
  • CH249015A - Process for the preparation of an ester type azo dye derivative. : de en
  • CH249041A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • US2421312A - Deflection signal generator for polar scanning of cathode-ray tubes : en
  • AU2035145A - Improvements in centrifugal pumps : en
  • AU2022245A - Built-up cranksbaf ts : en
  • ES177679A1 - A PROCEDURE FOR THE OBTAINING OF A LACQUER COATING MATERIAL : en es
  • US2421011A - Metal-cutting system : en
  • US2421175A - Piston ring : en
  • AU1182947A - Improvements in or relating to tobacco cartridge : en
  • AU124285B2 - An improved drive mechanism : en
  • US2421288A - Dual-purpose light : en
  • USD146831S - Design for a combined tie, trouser : en
  • FR922150A - Multi-space velocity modulating tube : en fr
  • AU137271B2 - Improvements in or relating to method of manufacturing wound core structures : en
  • GB588653A - Improvements in and relating to the production of coherent masses of non-saponaceouswetting or cleansing agents : en
  • CH248732A - Oven with air inlet. : de en
  • FR922007A - Process for treating rocks containing refractory magnesia : en fr
  • AU1102647A - Improved apparatus forthe production ofan optical illusion tobe usedfor advertising purposes : en
  • ES177779A1 - IMPROVEMENTS IN LATHE OR TOOL TOOL TOOLS : en es
  • ES14967U - Floor and rubber heel for shoes with flat, non-slip floor. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588694A - Improvements in and relating to the treatment of water : en
  • GB588647A - A thermally operable mechanical system : en
  • GB588696A - Sulphur-containing dyestuffs : en
  • FR922080A - Improvements to differential protection relays for transformers and generator-transformer groups : en fr
  • US2421160A - Slat clasp for venetian blinds : en
  • ES177661A1 - AN ELECTROMECHANICAL DEVICE TO AUTOMATICALLY ACHIEVE THE MOTOR REVERSIBILITY OF ENGINES, WITH OR WITHOUT PERIODICITY : en es
  • FR922024A - Clasp for towels, bags, travel kits and the like : en fr
  • CH248984A - Waterproof box and process for its manufacture. : en fr
  • CA441663A - Counter-balance for instruments : en fr
  • CH248804A - Process for the preparation of secondary amines. : de en
  • AU124268B2 - Door latch : en
  • ES177681A1 - A MACHINE FOR THE TREATMENT, IN ALL ITS WIDTH, OF TISSUES WITHIN LIQUIDS : en es
  • GB588629A - Improvements in or relating to brushes for cleaning dentures : en
  • US2421153A - Coupler : en
  • ES15009U - Pincers for tubes. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177600A3 - A METHOD OF COVERING PAPER : en es
  • ES177770A2 - MECHANISM TO OBTAIN A GRADUAL AND AUTOMATIC COUPLING BETWEEN A MOTOR AND ANOTHER DRIVEN ELEMENT : en es
  • CH248881A - Process for the production of bolts and rivets from non-ferrous metals. : de en
  • ES14977U - Special wallet for passport (Machine-translation by Google Translate, not legally binding) : en es
  • FR922089A - Improvements to medallions, brooches and other similar ornaments : en fr
  • GB588602A - Improvements in or relating to telephone systems : en
  • US2421362A - Heat exchanger : en
  • US2421213A - Centrifugal operated switch : en
  • US2421320A - Method of desulphurizing hydrocarbon oils : en
  • ES177452A3 - IMPROVEMENTS IN AND RELATED TO ELECTRICAL RESISTANCES : en es
  • ES176992A1 - A DEVICE FOR THE FORMATION OF SENDOORILLAS IN THE WOVEN : en es
  • FR922131A - Manufacture of copper sulphate and sodium products by simultaneous electrolytic treatment of Algerian ores : en fr
  • US2421328A - Industrial truck : en
  • IS162B6 - Equipment for optimizing fish. : en is
  • ES177540A1 - IMPROVEMENTS IN THE MANUAL OR HANDICRAFT TELESCOAN : en es
  • ES176907A1 - IMPROVEMENTS IN GUIDING DEVICES FOR THREADS AND FILAMENTS : en es
  • US2421053A - Sole treating apparatus : en
  • CH248879A - Device on electrical spot welding machines for generating a pressure on the welding point that follows a program. : de en
  • CH248918A - Method for securing a plain bearing. : de en
  • CH249025A - Process for the preparation of an ester type azo dye derivative. : de en
  • ES177614A3 - IMPROVEMENTS IN THE CONTINUOUS MANUFACTURE OF SEALS : en es
  • AU136074B2 - Drives for sheepshearing or like devices : en
  • ES177140A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF LANTERN : en es
  • FR922082A - Improvement in the treatment of textile materials in sparkling baths, and method resulting therefrom, of treatment of dyed or printed textiles with tank dyes : en fr
  • IE17466L - Wringers : en
  • GB588532A - Improvements in and relating to firebars for electric fires : en
  • ES177747A1 - NEW SYSTEM OF SPLICE FOR LANES, THAT GIVES DILATATION AND DELETS THE TREPIDATION IN THE WAGONS : en es
  • ES15015U - Articulated pincer. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177608A1 - PROCEDURE FOR THE OBTAINING OF PHOTOGRAPHS IN CRYSTAL. GLASS AND SIMILAR : en es
  • ES177718A1 - IMPROVEMENTS IN PHOTOGRAPHIC EMULSIONS : en es
  • GB588512A - Improvements in and relating to pedals for cycles and like machines : en
  • ES171059A3 - AN ELECTRICAL INSTALLATION TO PRODUCE SOUND RELIEF EFFECTS : en es
  • ES177259A1 - IMPROVEMENTS IN THE ELECTRIC INDUCTION-REPULSION ENGINES : en es
  • US2421283A - Web dryer arrangement : en
  • CH248929A - Hot gas motor with device for regulating the indicated power. : de en
  • CH248970A - Time stamp printing device. : de en
  • FR922018A - Process for the manufacture of semi-impermeable elastic abdominal belts, using synthetic resins, such as vinilic and stirolic resins : en fr
  • ES14328Y - Self-closing funnel : en es
  • FR922145A - Device for the production of electrical energy by disintegration of matter : en fr
  • GB588572A - Improvements in combustion chambers for internal combustion turbines : en
  • CA441701A - Magnetically loaded cable : en fr
  • ES177807A1 - AN INDUSTRIAL PROCEDURE TO EXTRACT THE ALKALOIDS FROM THE VEGETABLES : en es
  • GB588578A - Improved manufacture of coated abrasives : en
  • GB588674A - Tape applying device : en
  • ES14333Y - Belt-pedal to fully exploit, on a bicycle, the muscular effort produced by the legs. : en es
  • FR922002A - Manufacture of new pyrimidine compounds : en fr
  • ES14980U - Tile specially designed to prevent slippage. (Machine-translation by Google Translate, not legally binding) : en es
  • ES174660A1 - A METHOD OF MAKING STRUCTURAL UNITS FOR CONSTRUCTION OF BUILDINGS : en es
  • ES177672A1 - A PHYSICAL PROCEDURE FOR CONFERING GREAT SECATIVITY TO OILS IN GENERAL : en es
  • US2421010A - Method of and apparatus for producing nubbed yarns : en
  • GB588699A - Device for the setting of blanking and forming dies in presses : en
  • FR922027A - Dropping device, in particular for feeding the lines : en fr
  • GR11173B - GOODS AND ITS OWN TOYS FROM USED CINEMA MOVIES OR CELLULAR SHAVES. : el en
  • CH248865A - Device for viewing film negatives. : de en
  • US2421019A - Supporting frame for articles of footwear : en
  • ES174277A1 - IMPROVEMENTS INTRODUCED IN THE DUMP BREATHING FACILITIES : en es
  • ES177111A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 164543 : en es
  • ES177621A3 - IMPROVEMENTS IN THE CONSTRUCTION OF FUEL PUMPS FOR INTERNAL COMBUSTION ENGINES : en es
  • ES15083U - Chair. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588526A - Improvements in or relating to tunable wave-guide detectors : en
  • ES174815A1 - A PROCEDURE FOR OBTAINING (...) CORROSION : en es
  • FR922134A - Harpoon with independent symmetrical branches with friction and with movable retaining ring, for hand fishing or for speargun : en fr
  • US2421337A - Smoker's pipe : en
  • US2421117A - Process for producing plant extracts : en
  • USRE22885E - Leakproof container : en
  • ES177806A1 - A DEVICE THAT USES POSITION MODULATED TOPS : en es
  • US2421364A - Sustaining-rotor-equipped aircraft, including autorotatable rotor construction and the regulation of rotor blade pitch : en
  • US2421106A - Airway traffic control system : en
  • ES176188A1 - A TURBO-PROPULSOR DEVICE FOR AIR EMULSION PUMPS OR OTHER PRESSURE FLUID, FOR THE ELEVATION OF LIQUIDS OR VERY POLLUTED WATERS CONTAINING UP TO 50 PERCENT OF WEIGHT OF FINE SUBSTANCES : en es
  • FR54091E - Process for the preparation of insecticide products from lignite tars and resulting products : en fr
  • GB588706A - Improvements in or relating to vices : en
  • US2421145A - Method of building log rafts : en
  • US2421302A - Process for improving the extensibility and strength of hardened artificial filaments, films, and like thin materials having a protein basis : en
  • CH249011A - Process for the preparation of an ester type azo dye derivative. : de en
  • ES14957U - Self-vulcanizable patch for the repair of pneumatic cameras for vehicle wheels. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421209A - Electrolytic refining of metals : en
  • US2421265A - Rapid zinc depositing bath : en
  • CH248842A - Depth micrometer with measuring rod that can be adjusted to different measuring ranges by means of spacer notches. : de en
  • CH249027A - Process for the preparation of an ester type azo dye derivative. : de en
  • US2421086A - Television cathode-ray tube with rotary deflecting plates : en
  • CH248852A - Counters, in particular for electricity meters. : de en
  • AU1177247A - Improvements in or relating to pumps : en
  • CH248920A - Plunger cooling device on high pressure compressors. : de en
  • CH248864A - Light reflector. : de en
  • ES14974U - Paint board or colorful drawing by incision and scraping, for recreation or instructional purposes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB588580A - Improvements in or relating to walls, floors or the like building structures : en
  • US2421292A - Adjustable thermostat switch : en
  • US2421297A - Clothes pounder : en
  • US2421324A - Thrust element for cylinder liner removing and inserting tool : en
  • US2421313A - Closure for containers : en
  • FR922090A - Special soaps manufacturing process : en fr
  • GB588630A - Improvements in and relating to apparatus for the dispensing of beer and like liquids from bulk storage : en
  • GB588563A - Improvements in or relating to telephone systems : en
  • ES177794A1 - A PASTAS CONFORMING MECHANISM : en es
  • US2421096A - Process and apparatus for repairing tires : en
  • ES14915U - Embrotable tack for footwear. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177709A1 - NEW INTRABUCAL SPRAY SYSTEM : en es
  • US2421030A - Process for synthesis of amides : en
  • USD146826S - Design fob a scarf : en
  • ES14960U - Metal check valve for air and gases in general (Machine-translation by Google Translate, not legally binding) : en es
  • FR922085A - Method of building houses from prefabricated elements : en fr
  • AU136965B2 - Improvements connected with perambulators or like carriages : en
  • CH248892A - Single toggle jaw crusher. : de en
  • US2421240A - Casting rod : en
  • CH248746A - Process for dyeing glass fibers and glass fiber dyed according to the same. : de en
  • US2421267A - Mechanical switching device : en
  • US2421188A - Transmission control device : en
  • US2421311A - Steam generator : en
  • GB588655A - Improvements in or relating to exhaust-cooling devices for internal combustion engines : en
  • AU618646A - Improvements in or relating to dishwashing machines : en
  • CA441693A - High frequency signals amplifying method : en fr
  • CH248823A - Device that enables the use of the drawing ruler on drawing machines to draw ink lines with the help of a drawing pen. : de en
  • FR54098E - Aeromotor : en fr
  • FR922138A - Electrically heated shower unit : en fr
  • GB588635A - Improvements relating to the manufacture of moulded articles from moulding powders : en
  • GB588695A - Chest expander exerciser arranged to administer electricity to user : en
  • ES174526A1 - A IMPROVEMENT OF MAKING A BOOK : en es
  • ES14742U - Alarm device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES14984U - Device to prevent wrinkles in men's shirt collars (Machine-translation by Google Translate, not legally binding) : en es
  • GB588592A - Improvements in or relating to spraying machines : en
  • GB588672A - Improvements in energy wave reflection type ranging systems : en
  • CH248849A - Method for determining the residual stress of objects by radiographic means. : de en
  • CH248936A - Process for producing an electrical resistor. : de en
  • CH248990A - Ventilation system in large vehicles. : de en
  • CH249020A - Process for the preparation of an ester type azo dye derivative. : de en
  • US2421072A - Removable spike for golf shoes : en
  • FR922019A - New azo dyes : en fr
  • AU1466344A - Process for pressure packing and product : en
  • AU1786044A - Improvements in or relating to means forand methods of securing together edge portions of angularly related parts such, for example as moccasin shoe upper parts : en
  • CH248713A - Planter, especially for potatoes. : de en
  • CH248942A - Mercury contact tube. : de en
  • PL33291B1 - The method of regenerating ferrocyanides from waste Prussian blue, obtained in the production of fermentative lactic acid : en pl
  • CH248793A - Device for the treatment of liquids. : de en
  • US2421097A - Process and apparatus for repair of tires : en
  • US2421170A - Car rerailer : en
  • CH248781A - Clothes horse. : de en
  • US2421102A - Repair of tires : en
  • US2421090A - Long chain aliphatic halides and method of preparing same : en
  • US2421013A - Hydraulic driving, braking, and freewheeling mechanism for vehicles : en
  • PL33286B1 - One-way clutch. : en pl
  • CA441747A - Strand handling apparatus : en fr
  • SU68456A1 - Working body of the soil-cultivating machine of rotor type : en ru
  • US2421005A - Circuit for counting electrical impulses : en
  • US2421204A - Eastener for adjoining sheets or plates : en
  • CH248756A - Foldable sun lounger, especially for bathing beaches, etc. : de en
  • CH248828A - Apparatus for throwing a ball for indoor miniature golf. : en fr
  • AU395446A - Improvements relating tothe treatment of liquids : en
  • BE472868A - : en fr
  • CH248712A - Tillage machine. : de en
  • US2421201A - Fastening means : en
  • US2421231A - Chipping apparatus : en
  • CA441743A - Method of coating articles : en fr
  • CH248738A - Process for preventing damage to objects containing water when the water is frozen and apparatus for carrying out the process. : de en
  • AU1797644A - Improvements in label gluing machines : en
  • AU1182647A - Improvements in or relating togas compressors : en
  • CH248773A - Process and device for winding tubular reels of yarn. : en it
  • ES14330Y - Rubber cutting machine : en es
  • ES177804A1 - A PROCEDURE TO PRODUCE CORROSION RESISTANT PHOSPHATE LAYERS ON METAL SURFACES : en es
  • FR922093A - Improvement in thermal machines using vaporizable fluids : en fr
  • IE17427L - Weighing balance : en
  • CA441751A - Electric manoeuvering board : en fr
  • CH248987A - Vehicle controlled by elastic bending of vehicle parts. : de en
  • AU1100947A - Improvements in rotary drum drying machines : en
  • AU1174547A - Improvements indirect positive developing-out emulsions : en
  • AU124255B2 - Process for pressure packing and product : en
  • ES14956U - Useful or tool for cutting strips of fruits (Machine-translation by Google Translate, not legally binding) : en es
  • ES177792A1 - IMPROVEMENTS IN DIESEL-TYPE INTERNAL COMBUSTION ENGINES : en es
  • GB588705A - Flow measuring device : en
  • CA441737A - Electric wave source and amplifier : en fr
  • AU136128B2 - Improvements to and relating to marine sextants andthe like : en
  • CH248739A - Hot water system with mixing valves. : de en
  • AU124270B2 - Improvements in label gluing machines : en
  • AU1175347A - Modified phenol formaldehyde resins : en
  • US2421347A - Material handling apparatus : en
  • US2421059A - Clothesline pulley assembly : en
  • ES177704A3 - IMPROVEMENTS INTRODUCED IN A REFRIGERATION ELECTRO-COMPRESSOR EQUIPMENT : en es
  • FR922034A - Friction transmission : en fr
  • ES14315Y - Mechanism for loose leaf filing cabinets. : en es
  • ES177451A1 - A NEW PROCEDURE FOR MANUFACTURING FOOTWEAR WITH VULCANIZED RUBBER SOLE : en es
  • USRE22884E - Ramo transmission system : en
  • FR922078A - Improvements to hydraulic braking devices for vehicles with simultaneous braking on all wheel sets : en fr
  • GB588560A - Improvements in or relating to gauges : en
  • ES14904U - Combined background for shaver cases (Machine-translation by Google Translate, not legally binding) : en es
  • CH248744A - Process for the melting of vitrifiable materials and their refining, during the manufacture of glass, and furnace for the implementation of this process. : en fr
  • CH248758A - Armchair. : en fr
  • CH249012A - Process for the preparation of an ester type azo dye derivative. : de en
  • US2421100A - Apparatus for the repair of tires : en
  • US2421254A - Wheel and shaft assembly means : en
  • USD146821S - Design fob a scarf : en
  • US2420998A - Process for fermenting carbohydrates to produce butanol and isopropanol : en
  • ES177768A1 - PROCEDURE FOR THE OBTAINING OF SYNTHETIC RESINS AND MOLDING MATERIALS : en es
  • CH248859A - Cross script playback pen for record pickups. : de en
  • CH248833A - Device for cleaning and greasing grooves in bayonets, soldiers' knives, etc. : de en
  • CA441648A - Floor sanding machine : en fr
  • AU1172047A - Improved manufacture of steel bythe basic open hearth process : en
  • AU142510B2 - Improvements in or relating to apparatus for measuring temperatures in steam generator gas passages : en
  • AU1175247A - Improvements in or relating tothe production of insulating films on ferrous metal members and members, particularly magnetic sheet material, so treated : en
  • AU128427B2 - Interconnected gas and water valve combination for water heaters : en
  • AU124253B2 - Improvements in and relating to mixed fertilizers : en
  • CH248874A - Process for the production of high density tungsten bodies. : de en
  • CH248769A - Can opener. : de en
  • US2421179A - Looper mechanism for sewing machines : en
  • CH248803A - Process for the preparation of heterocyclic six-membered rings containing a nitrogen atom in the ring. : de en
  • CH248969A - Cash desk. : en fr
  • CH249000A - Device for brushing moving sieve screens. : de en
  • AU137539B2 - Modified phenol formaldehyde resins : en
  • PL33289B1 - Tool for grinding the inner surface of cylinders : en pl
  • AU1763844A - Concentrator and method of concentration : en
  • CH248731A - Open fire facility. : de en
  • CH248877A - Method of making a buckle. : de en
  • CA441709A - Plaster bandage : en fr
  • US2421061A - Methods for recovery of flavanone glycosides : en
  • US2421098A - Repair of tires : en
  • AU135310B2 - Improvements in or relating toa method of magnetically recording fluctuating electrical energy andthe magnetic recorder for carrying out said method : en
  • US2421112A - Fruit cake method : en
  • US2421015A - Salvage device : en
  • US2421031A - Process for synthesis of thioamides : en
  • ES14983U - Domestic scale. (Machine-translation by Google Translate, not legally binding) : en es
  • FR54073E - Framing system for residential and other constructions : en fr
  • US2421236A - Electric circuit interrupter : en
  • US2421321A - Gaseous conduction lamp socket : en
  • AU1182447A - Improvements relating to apparatus for operating devices having a negative resistance characteristic froman alternating electric current supply circuit : en
  • CH248886A - Arrangement for driving machine tools. : de en
  • CA441764A - Fabric : en fr
  • CH248883A - Drilling device. : de en
  • AU1104847A - Improved method of producing higher molecular alcohols : en
  • CH248939A - Electrical plug. : de en
  • US2421246A - Coated shoe polish stick and method of coating same : en
  • PL33292B1 - Peddle for hanging mill flat sifter : en pl
  • US2421225A - Reusable nesting shipping container : en
  • CH248882A - Device for adding an auxiliary tool holder on an automatic lathe. : en fr
  • CH248973A - Device for the mutual exchange of electrical signals. : de en
  • AU137719B2 - Double hinged door or window : en
  • US2421367A - Fibrous sheet material for the electrolytic formation of azo dyes thereon : en
  • US2421195A - Apron : en
  • GB588619A - Direction indicator for use on road vehicles : en
  • GB588564A - Improvements in or relating to telephone systems : en
  • CH248718A - Handset for making humus sticks for plants. : de en
  • CH248885A - Tapping attachment. : de en
  • US2421215A - Automobile wheel balancer : en
  • US2421070A - Pressure welding apparatus : en
  • AU1183147A - Pickup tube for color television : en
  • US2421300A - Transformer circuit : en
  • AU124269B2 - Improvements in or relating to means forand methods of securing together edge portions of angularly related parts such, for example as moccasin shoe upper parts : en
  • AU1181247A - Rock drills : en
  • US2421076A - Accumulator : en
  • CA441728A - Connector for electrical conductors : en fr
  • AU1140747A - Recovery of ammonia andiron by treating gases containing ammonia and hydrogen sulfide with pickle liquor : en
  • AU1178647A - Improvements in or relating to propulsion devices : en
  • US2421285A - Induction type electricity meter : en
  • US2421191A - Mechanical aerating device : en
  • US2421271A - Fuse construction : en
  • ES15003U - Optical sight glass adaptable to all types of doors. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177366A1 - A PROCEDURE, WITH ITS CORRESPONDING AVERAGE, TO MEASURE AREAS OF THE SURFACE OF OBJECTS OPAQUE, AND ESPECIALLY, BUT NOT EXCLUSIVELY, OF THE OBJECTS PLANE OR SUBSTANTIALLY PLANE : en es
  • US2421266A - Fuse for ordnance projectiles or bombs : en
  • US2421111A - Harold t : en
  • CH249043A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • PL33283B1 - A device for cutting drilling and casing pipes : en pl
  • US2421050A - Clutch actuator : en
  • US2421147A - Orbital lathe feed mechanism : en
  • AU1177847A - Improvements in fastenings for attache and suitcases andthe like : en
  • CH248910A - Pyrophoric lighter. : en fr
  • CH248812A - Corner clip for permanent but detachable stapling of papers. : de en
  • CH248905A - Lighter. : de en
  • US2421183A - Apparatus for spraying powders, atomized liquids, and the like : en
  • US2421055A - Safety pouch : en
  • ES14920U - Improved molds to make clarions or chalks to draw. (Machine-translation by Google Translate, not legally binding) : en es
  • FR54096E - advanced construction element : en fr
  • GB588654A - Manufacture of new benzene sulphonylguanidines : en
  • ES177556A1 - A PROCEDURE FOR MANUFACTURING CONSTRUCTION BOVEDILLAS : en es
  • CA441660A - Flexible tube : en fr
  • CH248742A - Process for the continuous melting of vitrifiable mixtures and the refining of the glass formed by electric heating, and furnace for the implementation of this process. : en fr
  • CH248873A - Aluminum-magnesium-zinc alloy. : de en
  • AU390446A - Improvements in or relating to self oiling bearings for fitting loose pulleys andother wheels to shafts : en
  • US2421027A - Device for removing the tarnish from silver and the like : en
  • BE472618A - : en
  • US2421334A - Method of treating twisted filamentary materials : en
  • AU1179247A - Improvements in or relating to compression ignition internal combustion engines : en
  • AU379046A - Improvements in piecrust tables andthe like : en
  • US2421310A - Watchmaker's staking tool and jewel setter : en
  • CH248955A - Electromechanical belt filter. : de en
  • US2421333A - Multiplex carrier current communication system with transmission line impedance control means : en
  • US2421171A - Antislip surface : en
  • AU1703744A - Meter : en
  • CH248724A - Process for manufacturing a panel and panel obtained by this process. : en fr
  • AU1091547A - Improvements relating to shock absorbers : en
  • CA441650A - Stem and socket combination : en fr
  • FR54084E - Multiple suction nozzle for vacuum cleaning devices : en fr
  • FR922071A - Process for manufacturing internally hollowed out parts, its application to prefabricated construction elements and elements thus obtained : en fr
  • ES177567A1 - A CLOSURE SYSTEM BASED ON ECLIPSABLE HINGE : en es
  • CA441752A - Article coating apparatus : en fr
  • FR54093E - Explosion turbine : en fr
  • GB588662A - Improvements in potato planters : en
  • CH248819A - Photo-taking device with built-in light meter. : de en
  • CH248878A - Resistance welding machine with capacitor. : de en
  • CH248947A - Electrical contact device. : de en
  • CH248977A - Circuit arrangement to avoid the destruction of transmitter tubes in the event of flashovers from the anode to another electrode. : de en
  • US2421034A - Telephone system : en
  • CH248914A - Coupling. : de en
  • US2421033A - Wave transmission network : en
  • ES177687A1 - IMPROVEMENTS IN OR RELATED TO MEDIATION DEVICES : en es
  • AU1176747A - Method for refining lead : en
  • BE472813A - : en fr
  • CA441732A - Insulated wire : en fr
  • AU390346A - Improvements in and relating to hay balers or presses : en
  • CH248932A - Method for regulating gas turbine systems, in particular for vehicle propulsion. : de en
  • CH248993A - Method for mending balloon and giant pneumatic tires by vulcanizing an inner sleeve. : de en
  • US2421105A - Lock nut : en
  • US2421126A - Microscope : en
  • CH248899A - Paint spray gun. : de en
  • AU124248B2 - Improved process for manufacture of fuel gas : en
  • AU129481B2 - Improved arithmetical calculator : en
  • BE472926A - : en fr
  • CH248872A - Machine tool. : en fr
  • CH249045A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • CA441673A - Twister head : en fr
  • AU1099243A - Improvements relating to mechanical rectifying systems for inter conversion of alternating and direct currents : en
  • AU124274B2 - Improvements relating to mechanical rectifying systems for inter conversion of alternating and direct currents : en
  • GB588618A - Method of and means for continuous casting of solid or hollow sections in ferrous metals : en
  • ES13045Y - Instrument to anchor the reinforcement of the precompressed concrete pieces. : en es
  • FR922068A - Method for reducing background noise in amplifiers, in particular in television amplifiers : en fr
  • CH248801A - Process for the preparation of a condensation product. : de en
  • CH248814A - Card index box with pivoting support plates. : de en
  • BE472916A - writing desk with penholder guide receptacle : en fr
  • AU1094447A - Dyeing of highly polymeric linear esters : en
  • ES14941U - Wrench for nuts (Machine-translation by Google Translate, not legally binding) : en es
  • ES14947U - Switch switch. (Machine-translation by Google Translate, not legally binding) : en es
  • ES175071A1 - A PROCEDURE FOR MANUFACTURING TUBES WITH ONE PIECE FINS : en es
  • ES176623A1 - A PROCEDURE AND BRAKING DEVICE : en es
  • US2421342A - Sanitary cabinet with means for dispensing papers : en
  • ES174555A1 - AN APPARATUS TO FORM A PILE OF CHAPAS : en es
  • ES12611U - Fuse device for electric lines. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177616A1 - A NEW BURNER BURNER FOR SPRAYED CARBON WITH COMBUSTION ANTECHNAM : en es
  • FR922056A - Manufacture of aromatic amines : en fr
  • GB588573A - Improved means for the automatic regulation of the action of machines for the continuous processing of materials : en
  • AU1176847A - Double hinged door or window : en
  • CA441696A - Electric blanket : en fr
  • ES177777A1 - SOME IMPROVEMENTS IN THE SYSTEM OF SUSTAINABILITY AND PROPULSION OF HELICOPTERS : en es
  • GB588575A - Improvements relating to roller heads for spinning and like frames : en
  • GB588637A - Improvements in valves for controlling the flow of molten metals : en
  • CH248838A - Projector for testing and measuring workpiece profiles. : de en
  • CA441703A - Ultra-high-frequency signal translating apparatus : en fr
  • CH248895A - Insertion tool. : de en
  • CH248967A - Hair curlers. : de en
  • ES177765A1 - PROCEDURE FOR THE MANUFACTURE OF ACID CHLORIDE AND FURTHER TRANSFORMATION THEREOF : en es
  • FR54083E - Improvements to electrodynamic players for recorders and sound reproducers : en fr
  • ES177544A1 - PROCEDURE FOR THE MANUFACTURE OF FOOD MATERIALS, SUBSTITUTES FOR SUGAR AND SWEETENING PRODUCTS : en es
  • FR922031A - Improved machine for depositing chocolate or similar substances in the troughs of a conveyor : en fr
  • GB588513A - Improvements in weather shields for motor cycles : en
  • GB588691A - Improvements in or relating to vices : en
  • FR922077A - Improvements to hydraulic brake control devices on vehicles with four-wheel braking : en fr
  • FR922025A - Process for the preparation of acridine series compounds : en fr
  • ES177647A1 - A PROCEDURE FOR THE MANUFACTURE OF A SOFT SOAP FOR INDUSTRIAL USE : en es
  • FR922137A - Method for the determination of lime : en fr
  • ES14320Y - Razor. : en es
  • FR922049A - High pressure electric discharge lamp : en fr
  • CA441745A - Testing apparatus : en fr
  • FR922088A - Improvements made to internal combustion and internal combustion engines : en fr
  • ES15019U - Album for the construction of furniture. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421180A - Equipment for grinding brake-shoe lining sections : en
  • GB588689A - A sanitary pad : en
  • GB588626A - Improvements in and relating to apparatus for emptying dustbins into a collecting receptacle or refuse collecting vehicle, and to dustbins used in conjunction therewith : en
  • ES14975U - Coffee grinder and similar grains. (Machine-translation by Google Translate, not legally binding) : en es
  • ES15000U - Cauterizing device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177773A1 - A VEHICLE-AUTOMOBILE WITH SOUND-PROOFED BODYWORK : en es
  • GB588569A - Sleeve valve mechanism of internal combustion engines : en
  • FR922051A - Electric discharge lamps : en fr
  • ES15010U - Seal (Machine-translation by Google Translate, not legally binding) : en es
  • GB588539A - Improvements in spectacle frames : en
  • FR922026A - Extruded tubular object : en fr
  • ES177809A3 - A NEW LUGGAGE RACK FOR AUTOMOBILE ROOFS : en es
  • US2421074A - Steam generator : en
  • CA441715A - Electrical system : en fr
  • ES177754A1 - ONE BURNER, ESPECIALLY FOR LIQUID FUELS : en es
  • ES14935U - Nipple (Machine-translation by Google Translate, not legally binding) : en es
  • US2421012A - Homing system : en
  • US2421259A - Curling device : en
  • AU135943B2 - An improved electrical insulating compound : en
  • CH249052A - Process for the preparation of a basic amide of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • CA441713A - Chimney hood : en fr
  • US2421318A - Fluid pressure motor of the expansible chamber type with piston operated snap action valve : en
  • AU129288B2 - Improvements in or relating to apparatus for washing drinking glasses andthe like : en
  • ES173789A1 - PERFECT PROCEDURE FOR THE CLOSURE AND STERILIZATION OF TOTAL OR PARTIALLY FULL CONTAINERS : en es
  • ES176375A1 - COMBUSTION REGULATOR FOR KITCHENS, GRILLS AND ANALOGS : en es
  • US2421000A - Textile decorating composition : en
  • CH248827A - Ski binding with heel pull organ. : de en
  • ES14996U - Box and furniture for radio devices. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177397A1 - IMPROVEMENTS IN THE APPARATUS FOR THE VOLTAGE REGULATION OF ALTERNATING CURRENT CIRCUITS : en es
  • FR922133A - Cable drive device for two carriages rolling in the same direction on parallel tracks and synchronizing this movement : en fr
  • GB588610A - Automatic control means for change speed mechanisms for machine tools : en
  • USD146837S - Design for a multitone whistle : en
  • ES14352Y - Support to hold sets of keys. : en es
  • CA441667A - Screwdriver : en fr
  • CH248810A - Statistics sheet. : de en
  • ES177549A1 - PROCEDURE FOR THE MANUFACTURE OF MINERAL MATTER WIRE, IN PARTICULAR GLASS WIRE : en es
  • CH248975A - Process and device for disguising the individual calls in a multi-channel system. : de en
  • FR54072E - Means ensuring absolute tightness of the spark plugs : en fr
  • CA441727A - Variable leverage mechanism for brakes : en fr
  • CH248716A - Distribution system for silage treatment liquid for green forage silos. : de en
  • US2421317A - Railway truck : en
  • ES13384U - Page pointer that changes position automatically. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421346A - Valve : en
  • ES177714A1 - AN EQUALIZING AND CALIBRATING DEVICE FOR SEAMLESS PIPES : en es
  • US2421282A - Rapid traverse pressure unit : en
  • US2421108A - Process for treating latex : en
  • US2421257A - Railhead clamp : en
  • US2421314A - Open top refrigerated display case : en
  • US2421294A - Vaginal irrigator : en
  • ES177710A1 - A CONTROL SYSTEM FOR ELECTRIC VAPOR DISCHARGE DEVICES OF THE VAPOR TYPE : en es
  • FR922008A - Electric lamp : en fr
  • FR922010A - Improvements to plywood skis and their manufacturing process : en fr
  • ES176975A3 - A NEW SYSTEM OF COUPLING AND SECURING THE CRANKS TO THE PEDALIER AXLES ON BICYCLES AND TRICYCLES : en es
  • CH248841A - Depth micrometer. : de en
  • ES176410A1 - A PROCEDURE FOR CONTINUOUS COMPLEMENTARY TREATMENT TO THE COPIO TEXTILE AIR COAT : en es
  • ES177530A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRICAL FANS : en es
  • ES14981U - Own bottle for the conditioning of liquids that are applied to a brush. (Machine-translation by Google Translate, not legally binding) : en es
  • ES163351A1 - ANTI-SCRAY BRAKE EQUIPMENT FOR VEHICLES, PARTICULARLY FOR FAST TRAIN CARS : en es
  • ES177624A1 - A SECURITY LATCH OR OTHER SIMILAR LOCKSMITH MECHANISM : en es
  • US2421068A - Fishing line float : en
  • US2421058A - Apparatus for producing heat insulating handles : en
  • ES176908A1 - IMPROVEMENTS IN GUIDE DEVICES FOR THREADS AND FILAMENTS : en es
  • GB588500A - Improvements in machines for calendering and like purposes : en
  • GB588599A - Improvements in tools for forming tapped holes in workpieces : en
  • ES163242A1 - SELF-REGULATING VALVE FOR LOAD-ADJUSTED BRAKING OF RAILWAYS FITTED WITH COMPRESSED AIR BRAKES OR VACUUM BRAKING : en es
  • ES177571A1 - IMPROVEMENTS IN SLIPTAIL ROCKETS : en es
  • FR922061A - Shielded reservoir for pens : en fr
  • FR922105A - Improvements to injection pumps : en fr
  • GB588611A - Improvements in apparatus for handling and coating containers : en
  • CA441717A - Diolefine production : en fr
  • FR922123A - Hermetically sealed fire extinguisher : en fr
  • FR922147A - Improvements to audible warning devices, in particular for vehicles : en fr
  • ES177726A1 - A NEW HYDRAULIC ELEVATOR APPLIANCE : en es
  • US2421044A - Power transmission mechanism : en
  • GB588600A - Improvements in the construction of handles for furniture : en
  • CH249033A - Process for the preparation of an ester type azo dye derivative. : de en
  • FR922016A - Process for obtaining or repairing bituminous road surfaces : en fr
  • FR54063E - Improvements to electrical equipment intended in particular for supplying discharge tubes : en fr
  • FR922062A - Improvements to the construction of double curvature sail-shaped covers : en fr
  • FR922141A - Priming device for AC discharge tube : en fr
  • GB588682A - Improvements in and relating to gas cookers : en
  • AU136788B2 - Process of Making Milkfat from Cream : en
  • CH249028A - Process for the preparation of an ester type azo dye derivative. : de en
  • ES14933U - Pilot headlight for vehicles, mainly bicycles. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421216A - Process of making ready-to-eat food : en
  • GB588531A - Improvements in or relating to the manufacture of plastic films : en
  • FR922060A - New pulse filling mode for pens : en fr
  • GB588673A - Improvements in potato harvesting machines : en
  • ES15013U - Knife holder (Machine-translation by Google Translate, not legally binding) : en es
  • ES15021U - Floor improvements for footwear (Machine-translation by Google Translate, not legally binding) : en es
  • GB588598A - Improvements in electronic switches : en
  • CH248796A - Method for heating the autoclaves of an autoclave system and device for carrying out the method. : de en
  • ES14334Y - Device for dosing liquid, granulated or powder products, contained in jars, bottles and other containers of any material and shape. : en es
  • ES177722A1 - IMPROVEMENTS IN THE OBTAINING OF MOLDS FOR THE FUNCTION OF METALS AND THEIR ALLOYS : en es
  • FR54094E - Improvements to the manual control of fire extinguishers : en fr
  • US2421116A - Control for lighting effects : en
  • ES14962U - Deployable seals in book, with legends. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177785A1 - IMPROVEMENTS MADE IN THE STYLOGRAPHIC FEATHERS : en es
  • AU137826B2 - Improvements in or relating to force feed lubricating systems : en
  • CH248774A - Spooling machine with a device for the automatic feeding of empty take-up tubes. : de en
  • ES15007U - Luggage carrier applicable to all types of cars. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177798A1 - A PERISCOPE FOR LUMINOUS SIGNALS : en es
  • SU68555A1 - Repeated direct printing telegraph : en ru
  • ES177197A1 - A PROCEDURE, WITH CORRESPONDING DEVICE, FOR THE MAGNETIC INSCRIPTION OF IMPULSES AND, ESPECIALLY OF SOUNDS : en es
  • FR922100A - Brake for bicycles, motorcycles or other similar vehicles : en fr
  • GB588616A - Improvements relating to processes and apparatus for the drying of grain, seed or other granular material : en
  • FR54064E - Process and machine for the manufacture, by welding, of carpet and pile rugs and products obtained by this manufacture : en fr
  • ES177669A1 - A PROCEDURE THAT ALLOWS TO CONFER TO OILS IN GENERAL GREAT PROPERTIES OF SECATIVITY : en es
  • ES14993U - Monobloc clip for clothes. (Machine-translation by Google Translate, not legally binding) : en es
  • CA441666A - Oil film producing process : en fr
  • US2421173A - Bridle bit : en
  • US2421207A - Method of manufacturing luminescent sulfides and selenides : en
  • FR922139A - Development in sockets : en fr
  • ES158110A1 - IMPROVEMENT TO PERFECT THE WATERPROOF EFFECT ON FABRICS : en es
  • CH248956A - Airtight vessel, through whose metal part at least one lead-through conductor is passed. : de en
  • FR922066A - Method and device for suppressing parasitic modulation due to the supply of the lamps of sound readers in alternating current : en fr
  • FR922035A - Device for adjusting the thickness of slices cut by cutting machines : en fr
  • FR922039A - Automatic electric ignition block : en fr
  • FR922117A - Improvements to armatures of electric motors : en fr
  • FR54054E - Extended run gasifier for motor vehicles and other applications : en fr
  • AU136843B2 - ~Improved boost control mechanism for supercharged internal combustion engines : en
  • FR922048A - Brakes for vehicles : en fr
  • AU137135B2 - Improvements in or relating to tobacco cartridge : en
  • CA441746A - Alternating current rectifier : en fr
  • CH249054A - Process for the preparation of a basic amide of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • SU68559A1 - Method for measuring equivalent electrical parameters of quartz : en ru
  • CH248815A - Device for printing purposes for setting, closing and checking sentence forms and for printing. : de en
  • US2421190A - Hydraulic transmission control : en
  • AU136125B2 - Improvements in or connected withthe mechanical brake systems of winding engines, haulages andother rotating machines : en
  • CH248971A - Emergency power supply system for telecommunications systems. : de en
  • USD146835S - Design fob a skirt or similar article : en
  • AU1869945A - An improved combination arch support and dampcourse for use in building construction : en
  • CA441694A - Phosphor stabilization : en fr
  • AU124266B2 - Improvements in or relating to liquid dispensing apparatus : en
  • AU124265B2 - Method of knitting : en
  • US2421186A - Chain link : en
  • CH248854A - Spring balance. : de en
  • CH249049A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • ES177555A1 - A PROCEDURE FOR THE CONCENTRATION OF SULFURIC ACID OBTAINED BY THE DECOMPOSITION OF SODIUM SULPHATE WITH HYDROCHLORIC ACID : en es
  • FR54099E - Burglar alarm : en fr
  • CH248820A - Mechanical pencil. : en fr
  • BE472444A - : en
  • CH248766A - Toothbrush. : de en
  • AU124286B2 - Wavelength modulation : en
  • AU1618744A - An improved machine for making filter tip cigarettes : en
  • CH248891A - Device for traction of pipes and profiles in plastic material coming out of presses or extrusion dies. : en it
  • CH248862A - Binocular system, consisting of highly magnifying binoculars and a viewfinder. : de en
  • ES14348Y - Articulated, folding saddle, to transform normal chairs into child seats. : en es
  • GB588620A - Improvements relating to electric time base circuits : en
  • US2421249A - Extractor-and-breech-bolt assembly for firearms : en
  • CH248721A - Process for the production of a packaging material suitable for protecting vegetable products against pest infestation. : de en
  • CH248894A - Cutting device. : de en
  • ES14329Y - Apparatus for sharpening knives. : en es
  • CH248857A - Calculation service installation. : en fr
  • AU141208B2 - Method of producing permanently stiffened articles of wearing apparel : en
  • BE472617A - : en
  • ES176409A1 - IMPROVED IMPROVEMENTS IN THE PREPARATION OF FLAMMABLE COMPOSITIONS : en es
  • AU1179747A - Improvements in and relating tothe tangent screws of instruments : en
  • CH249047A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • US2421203A - Garment finishing apparatus : en
  • US2421361A - Process for making diolefins : en
  • AU139808B2 - Improvements in or relating to control circuits for gaseous discharge tubes : en
  • CH248775A - Device for aligning and holding warp thread monitor lamellae attached to supporting bars. : de en
  • CH248835A - Device for filling cartridge magazines from magazine strips. : de en
  • CH248816A - Process for the production of printed clichés. : de en
  • CH248931A - Gas turbine plant. : de en
  • ES177543A1 - A PROCEDURE FOR THE CONSTRUCTION OF CAPS FOR THE EXTRACTION OF OILS : en es
  • FR54059E - Alginate-based compounds and their manufacturing process : en fr
  • US2421218A - Noninflammable waterproofed textiles and method of making same : en
  • ES177644A1 - A HEATING RADIATOR FOR STEAM OR HOT WATER : en es
  • AU459046A - Improvements in or relating to parachute packs : en
  • CH249018A - Process for the preparation of an ester type azo dye derivative. : de en
  • ES177542A1 - IMPROVEMENTS IN BREADING MACHINES AND BREAD REFINING MACHINES : en es
  • CH248968A - Lipstick tube. : en fr
  • US2421187A - Braking device regulated by motor speed and load : en
  • AU1161343A - Improved process for manufacture of fuel gas : en
  • CA441706A - Scraper : en fr
  • US2421168A - Positioning mechanism : en
  • AU137817B2 - A method for packing butter and similar products and device for carrying out the method : en
  • CH248811A - To be used in conjunction with a corresponding book, which contains explanations for the book text to be read. : de en
  • US2421336A - Method of treating twisted filamentary materials : en
  • AU1096047A - Locknut and method and apparatus for manufacturing thesame : en
  • CH248855A - Method and device for recording the frequency maintenance work of the participants in interconnected networks. : de en
  • CA441651A - Swing : en fr
  • FR922005A - Manufacture of pyrimidine compounds : en fr
  • US2421127A - Combined folding table and seat : en
  • ES15005U - Hot air heating device, applicable to all kinds of incubators and brooders. (Machine-translation by Google Translate, not legally binding) : en es
  • FR54058E - Improvements to gaskets for refrigeration compressors and others : en fr
  • US2421309A - Window construction : en
  • AU133645B2 - Improved apparatus forthe production ofan optical illusion tobe usedfor advertising purposes : en
  • AU135987B2 - Improvements relating to apparatus for operating devices having a negative resistance characteristic froman alternating electric current supply circuit : en
  • FR54067E - Method of gluing the veneer and production means : en fr
  • GB588651A - Hydraulic pressure generating and applying device : en
  • US2421351A - Vehicle chassis construction : en
  • US2421021A - Spot-welding machine : en
  • CH248924A - Exhaust gas turbocharger. : de en
  • AU124282B2 - Meter : en
  • ES177551A1 - A PROCEDURE FOR MANUFACTURING A DRY COLA : en es
  • CA441714A - Joint for electric power cables : en fr
  • CA441760A - Annular floating toothed gearing : en fr
  • US2421020A - Detection of obstacles by electromagnetic waves : en
  • ES177627A1 - A PROCEDURE FOR THE PREPARATION OF ARABONIC ACID DERIVATIVES : en es
  • FR922115A - Continuous indication sounding device : en fr
  • CH248847A - Inclinometer. : de en
  • ES177341A1 - A PROCEDURE IN THE MECHANISM TO MOVE AXIALLY THE ROTAFROTOS CYLINDERS OF THE WOODS : en es
  • ES177664A1 - A REGULATING DEVICE FOR INJECTION IN HEAVY OIL BURNERS : en es
  • CH248962A - Pin tooth. : de en
  • ES176950A1 - A CONTROL OF TUNING CONTROL IN RADIO APPLIANCES : en es
  • GB588670A - Electromagnetic clutch : en
  • US2421338A - Smoker's pipe : en
  • GB588552A - Improvements in or relating to the casting of bearing metals : en
  • CH248760A - Device for forming a table on pieces of furniture, in particular on beds for small children. : de en
  • CH249024A - Process for the preparation of an ester type azo dye derivative. : de en
  • US2421087A - Cigarette holder : en
  • US2421234A - Electron lens assembly : en
  • ES177311A1 - A MECHANISM APPLICABLE TO CIRCULAR MACHINES FOR THE OBTAINING OF DRAWINGS IN KNITTED GENDER MACHINES : en es
  • FR54070E - Unwinding of a flexible hose fitted with a drum buoy, by pressure inside this hose : en fr
  • ES177625A1 - A WHEELED VEHICLE : en es
  • GB588656A - Improvements in and relating to electric valve control apparatus : en
  • ES14926U - Electric iron. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248965A - Process for the preparation of 5-sulfanilamido-3,4-dimethyl-isoxazole. : de en
  • ES14326Y - Espadrille : en es
  • FR922064A - Progressive hydraulic gear change : en fr
  • AU1417244A - Improvements relating tothe transmission and reception of intelligence by signal impulses of varying time duration : en
  • ES15018U - Hygienic bed for patients. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177577A1 - A FUSE SHOCK CIRCUIT FOR HIGH VOLTAGE : en es
  • ES14973U - Apparatus for obtaining gases. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421024A - Linear polymer containing cyclic imide groups : en
  • US2421001A - Coating composition comprising cellulose-aceto-propionate and an alkyd resin : en
  • US2421062A - Method for recovery of naringin : en
  • US2421250A - Lipstick holder : en
  • CA441643A - Tractor digging attachment : en fr
  • AU131192B2 - Improvements in and relating to hay balers or presses : en
  • ES177426A1 - IMPROVEMENTS IN OR RELATED TO PROCEDURES FOR OBTAINING COMPOSITE MATERIALS : en es
  • US2421350A - Tank cap : en
  • BE472616A - : en
  • CA441684A - Continuous feeder for cardboard : en fr
  • CH248876A - Method for the series production of injection molded parts and device for carrying out the method. : de en
  • CH248907A - Lighter. : de en
  • CH248999A - Furniture with drawers. : de en
  • US2421016A - Radar testing apparatus : en
  • ES174932A1 - A PROCEDURE FOR HARDENING UREA-FORMALDEHYDE-TYPE COMPENSATION PRODUCTS : en es
  • FR922023A - Apparatus for making cigarettes : en fr
  • US2421136A - Gain control system for pulse modulation receivers : en
  • ES177666A1 - A PROCEDURE FOR THE MANUFACTURE OF FLUORESCENT AND FOSFORESCENT SUBSTANCES : en es
  • FR922119A - Piston segment and its manufacturing process : en fr
  • ES176989A1 - A PROCEDURE FOR THE MANUFACTURE OF BRICKS BASED ON BLACK LANDS, STERILS OF FLOTATION AND ESCOMBRERAS OF CARBON LAUNDERS : en es
  • US2421004A - Mineral oil composition : en
  • US2421365A - Dolly lifting device : en
  • AU1174147A - Improvements in rotary cultivators : en
  • CH248988A - Collapsible van. : de en
  • USD146840S - Combination sundial and bird bath : en
  • US2421029A - Starting mixture : en
  • ES177670A1 - A PROCEDURE WHICH ALLOWS TO MAKE RETAINING RESIN OILS QUICKLY : en es
  • GB588518A - Improvements in and relating to dolls' or like houses : en
  • ES177529A1 - AN ELECTRICAL CIRCUIT SYSTEM, WITH ITS CORRESPONDING PENDULAR MECHANISM, TO REGULATE OSCILLATIONS OF A PENDULUM OR ANOTHER MECHANISM EQUIPPED WITH PERIODIC MOVEMENT : en es
  • FR54077E - Extendable prop that can also be used as a jack, cylinder, tensioner, press screw, etc. : en fr
  • ES14325Y - Furniture that can be combined into a bed, armchair and trunk. : en es
  • CH248813A - Facility for receiving forms and documents. : de en
  • FR922074A - Animated figure that can be used as a toy or be applied for advertising or other purposes : en fr
  • FR922146A - Device for the recovery and production of electrical energy : en fr
  • FR54052E - Collimator system for forming optical markers for range finders : en fr
  • GB588627A - Improvements in or relating to combs used as or combined with hair ornaments : en
  • GB588577A - Improvements relating to guards for machine tools : en
  • ES177632A1 - IMPROVEMENTS IN ELECTRIC KITCHENS : en es
  • FR54075E - Explosion engine : en fr
  • CH249029A - Process for the preparation of an ester type azo dye derivative. : de en
  • GB588534A - Improvements relating to power units for cycles : en
  • ES14355Y - Electric temperature indicator in a cooking container. : en es
  • ES177628A1 - A NEW MACHINE USED FOR DIFFERENT AGRICULTURAL PRODUCTS : en es
  • FR922120A - Improvements made to internal combustion engines with opposed pistons : en fr
  • GB588568A - Improvements in or relating to suitcases, trunks and the like : en
  • GB588515A - Improvements in or relating to self-centring chucks : en
  • AU1875145A - Wavelength modulation : en
  • CH248997A - Airplane landing gear leg. : en fr
  • AU137002B2 - Improvements in or relating to dishwashing machines : en
  • AU458646A - Improvements in or relating to cabinets for cutlery andthe like : en
  • CH248786A - Device for applying zipper elements to fabric tapes. : de en
  • CH248839A - Machine for cutting divisions, in particular on rulers and the like. : de en
  • CH249002A - Process for the preparation of a new amide derivative. : de en
  • CH249058A - Step change gearbox with crank switch, especially for bicycles equipped with a coaster brake hub. : de en
  • AU124280B2 - Improvements in cylindrical thermionic valves : en
  • ES11136U - Security keychain device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177657A1 - A NEW INDUSTRIAL PROCEDURE TO COVER IRON, MANUFACTURED OR NOT, WITH A LEAD THICKNESS : en es
  • GB588581A - Improvements in or relating to closure devices for containers : en
  • US2421142A - Process for obtaining crystalline riboflavin : en
  • AU1436744A - Means for uniting a screw witha driver : en
  • BE472649A - : en
  • CH248888A - Reamer. : de en
  • AU124288B2 - Built-up cranksbaf ts : en
  • US2421341A - Play crib : en
  • CH248868A - Shock-absorbing bearing for clockworks. : de en
  • US2421192A - Multicathode phototube : en
  • CH248747A - Device for applying a coating layer to an optically effective surface. : de en
  • SU68442A2 - The way to duplicate fabric : en ru
  • AU135181B2 - Improvements indirect positive developing-out emulsions : en
  • CA441688A - Lubricating system : en fr
  • AU124252B2 - Improvements in or relating to power operated gun turrets For aircraft : en
  • AU124283B2 - Process of treating soap particles : en
  • AU138874B2 - Improvements in or relating to propulsion devices : en
  • CH248901A - Extensible link. : en fr
  • CH248772A - Device for unwinding and simultaneously turning yarn from a yarn spool rotating at least 7000 revolutions per minute. : de en
  • CH248808A - Sludge scraping device for flat-bottom settling tanks. : en fr
  • AU139456B2 - Improvements in or relating toa car coupler supporting device : en
  • FR922106A - Protective cap for the head of a rotating machine element, in particular for a bicycle crank : en fr
  • ES177707A1 - PERFECTED MANUFACTURING PROCEDURE FOR A COFFEE SUBSTITUTE : en es
  • ES14341Y - Protected lipstick or lipstick. : en es
  • ES174659A1 - A PROCEDURE FOR THE MANUFACTURE OF HOLLOW BODIES : en es
  • FR922136A - Automatic shuttle change mode for looms : en fr
  • GB588525A - Improvements in or relating to clutches : en
  • US2421066A - Flood control system : en
  • CH249032A - Process for the preparation of an ester type azo dye derivative. : de en
  • GB588615A - Swash-plate reciprocating pumps : en
  • FR922004A - Manufacture of acrylic acid or an ester of this acid : en fr
  • AU1176647A - Improvements in and relating to electric discharge devices : en
  • BE472730A - EXTENDABLE SEALING IMPROVEMENTS : en fr
  • US2421006A - Hydroxylating pot type burner : en
  • FR54085E - Suspension system for indirect lighting fixtures in staff or similar : en fr
  • ES14928U - Stop device applied to the regulation pujas in the fight of the bulls (Machine-translation by Google Translate, not legally binding) : en es
  • ES177536A1 - A METHOD OF PRODUCING WATER-SOLUBLE METHYNOL METHINOL MELAMINES : en es
  • GB588688A - Improvements in and relating to electric accumulator cells : en
  • GB588698A - Improvements in or relating to destination indicators : en
  • US2421007A - Vehicle steering spindle mounting : en
  • AU1092947A - Improvements in or relating to vapour generators : en
  • CA441678A - Capacitor fuel gauge : en fr
  • FR54078E - Spinning Drum Fishing Reel : en fr
  • GB588677A - Electrical arrangements for measuring small movements : en
  • CH249010A - Process for the preparation of a metallizable trisazo dye. : de en
  • FR922073A - Process for obtaining an agglomerated semi-coke and product obtained : en fr
  • ES14961U - Improved container for toilet powder. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177565A1 - NEW CONSTRUCTION OF PREFABRICATED, REMOVABLE AND EXTENDED BUILDINGS IN SURFACE AND HEIGHT : en es
  • GB588508A - Improvements in guards for guillotines : en
  • ES177694A1 - IMPROVEMENTS IN OR RELATING TO LUMINOUS FLOATING BUOYS : en es
  • US2421078A - Cross totalizing mechanism for record controlled tabulators : en
  • US2421220A - Basketball game goal : en
  • GB588535A - Improvements in or relating to hot air heating systems : en
  • ES177706A1 - APPARATUS FOR THE DILUTION AND MIXTURE OF MEDICINAL GASES INTENDED TO BE INHALED : en es
  • CA441652A - Lawn rake : en fr
  • CH249005A - Process for the preparation of a new quaternary pyridinium compound. : de en
  • GB588517A - Improvements relating to apparatus including thermionic valves : en
  • US2421226A - Chuck : en
  • GR11165B - ROTATING CONDUCTOR BY CONVERTING THE HEAT OF AN ELECTRIC LAMP TO KINETIC ENERGY. : el en
  • ES13254Y - Flexible and oscillating holder of electrical conductors connected to manipulable devices. : en es
  • ES177532A1 - IMPROVEMENTS IN THE DEVICES TO ADJUST THE HEIGHT OF THE FLUID CROWN, ESPECIALLY WATER, IN THE HYDRODYNAMIC DISC OR SIMILAR BRAKES : en es
  • CA441658A - Water purifying apparatus : en fr
  • GB588520A - Improvements in tubular gas heaters : en
  • GB588546A - Improvements in or relating to method of lubricating bearing surfaces : en
  • ES177563A1 - A COOLING DEVICE FOR SKATE PIVOTS : en es
  • ES177699A1 - IMPROVEMENTS IN ELECTRONIC DISCHARGE DEVICES : en es
  • ES15022U - Pocket shaving machine. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177106A3 - A FILE CLASSIFIER-ARCHIVER APPARATUS : en es
  • ES177618A1 - A COUPLING MECHANISM : en es
  • US2421277A - Reflective sign : en
  • US2421305A - Building structure : en
  • ES177695A1 - IMPROVEMENTS IN OR RELATED TO TELECOMMUNICATION CENTRAL SYSTEMS : en es
  • ES14340Y - Soft pencil, perfected, for drawing or dressing uses. : en es
  • ES177630A1 - IMPROVEMENTS INTRODUCED IN THE ELECTRIC WIND GENERATOR GROUPS : en es
  • US2421052A - Magazine : en
  • US2421174A - Quick-change chuck : en
  • AU124275B2 - Improvements in piezoelectric oscillators : en
  • AU136381B2 - Pickup tube for color television : en
  • US2421221A - Letter box : en
  • US2421295A - Apparatus for applying load to testing machines : en
  • US2421193A - Surgical dressing : en
  • AU1840145A - Automatic speed limiting device for hydraulic turbine rotors : en
  • CH248957A - Cathode ray tube with magnetic deflection system. : de en
  • CA441729A - Filter : en fr
  • US2421322A - Shopping cart : en
  • ES177057A1 - ONE PIVOT MECHANISM FOR RAILROAD VEHICLE MULTI-AXLE TRAILERS : en es
  • ES14303Y - Tie pattern. : en es
  • ES14994U - Clothesline pocket. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248890A - Saw and shaft bracket. : de en
  • US2421093A - Method of making nonrigid gels : en
  • PL33284B1 - Device for extracting small objects from boreholes : en pl
  • AU144063B2 - Improvements relating to apparatus for operating devices having negative resistance characteristic froman alternating electric current supply circuit : en
  • US2421235A - Direct drive vacuum cleaner agitator roller : en
  • ES177719A1 - IMPROVEMENTS IN PHOTOGRAPHIC EMULSIONS : en es
  • AU124284B2 - Concentrator and method of concentration : en
  • US2421243A - Vulcanization accelerator : en
  • AU2073945A - Improvements relating tothe supporting of casements : en
  • US2421331A - Production of alkylaromatics : en
  • ES14241Y - Device for double ignition of internal combustion engines. : en es
  • CH248904A - Gasoline lighter. : en fr
  • CH248959A - Lighting device. : en fr
  • CH248992A - Faucet for inflating tires. : de en
  • CH248884A - Automatic driver device for machine tools, in particular lathes. : de en
  • CA441721A - Searchlight : en fr
  • ES177701A1 - IMPROVEMENTS RELATED TO MULTI-CHANNEL COMMUNICATION SYSTEMS FOR ELECTRIC IMPULSES : en es
  • FR54069E - Jointing device for oscillating lanes : en fr
  • GB588636A - Improvements in change speed gearing applicable to electricity meters : en
  • ES177471A1 - IMPROVEMENTS IN WATER DISCHARGE FACILITIES FOR SANITARY APPLIANCES : en es
  • GB588657A - Improvements in or relating to the purification of substantially anhydrous liquid halides of metals of group four of the periodic table according to mendeleef : en
  • US2421144A - Steam trap : en
  • US2421356A - Bottle cap : en
  • US2421272A - Papermaking apparatus : en
  • US2421326A - Refortification of aluminum halidehydrocarbon complex catalysts : en
  • ES177775A1 - A PERFECTED SYSTEM OF AROS FOR THICK AND SPECIAL FIBER THREADS : en es
  • FR922101A - Gantry bridge : en fr
  • CH248837A - Striking fuse. : de en
  • US2421200A - Lathe dog : en
  • CH248950A - Device having an electron tube for microwaves with a time-controlled electron flow. : de en
  • CH248989A - Electric windshield wipers for automobiles. : de en
  • US2421197A - Structural members formed of metal and timber : en
  • CA441724A - Autographic register : en fr
  • US2421306A - Disk harrow and bearing therefor : en
  • ES175615A3 - A NEW FLEXIBLE TAPE SYSTEM FOR MECHANICAL APPLICATIONS : en es
  • ES14937U - Carving knife (Machine-translation by Google Translate, not legally binding) : en es
  • US2421327A - Turret traversing and indexing device : en
  • CH248736A - Mud heater. : de en
  • AU1416044A - Improvements in or relating to liquid dispensing apparatus : en
  • US2421022A - Duration impulse receiver : en
  • US2421205A - Razor : en
  • CH248863A - Ophthalmological apparatus for visual field testing provided with a device for artificial lighting of a concave surface. : de en
  • CH248982A - Device equipped with an electron ray tube. : en fr
  • US2421032A - Unidirectional antenna : en
  • US2421049A - Wire insulation cutting tool : en
  • CH248717A - Watering can with water outlet regulation device. : de en
  • CA441682A - Sheet registering mechanism : en fr
  • AU124258B2 - An improved machine for making filter tip cigarettes : en
  • ES177739A1 - A SUPER-REGENERATIVE RECEIVER FOR FREQUENCY OR PHASE MODULATED WAVE SIGNALS : en es
  • GB588648A - Process for moulding polytetrafluoroethylene : en
  • CH248750A - Process for the purification of gases from hydrogen compounds of solid metalloids. : en fr
  • CH248825A - Perpetual calendar. : de en
  • GB588499A - Improvements in or relating to dough mixing machines : en
  • ES14916U - Apparatus for the preparation of soup pasta. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177688A1 - IMPROVEMENTS IN OR RELATED TO THE MANUFACTURE OF TERMINATIONS FOR ELECTRIC POWER CABLES : en es
  • US2421138A - Wave signal translating arrangement : en
  • GB588545A - Improvements in or relating to the recovery of fumaric acid from aqueous fermentation products : en
  • ES177178A1 - IMPROVEMENTS IN THE VALVE OPERATING MECHANISMS OF INTERNAL COMBUSTION ENGINES : en es
  • AU136530B2 - Improved manufacture of steel bythe basic open hearth process : en
  • US2421009A - Direction finding system : en
  • ES14324Y - Floor for footwear. : en es
  • ES177603A2 - IMPROVEMENTS INTRODUCED IN THE OIL EXTRACTION PRESSES : en es
  • GB588541A - Improvements in or relating to dolls : en
  • US2421274A - Television studio construction : en
  • ES177693A1 - IMPROVEMENTS IN OR RELATED TO TELEVISION RECEIVERS : en es
  • FR54076E - Corrugated iron heating body : en fr
  • GB588669A - Friction clutches : en
  • US2421109A - Method of producing crystals of nordihydroguaiaretic acid : en
  • US2421315A - Chromium complex of monazo pyrazolone : en
  • ES177791A1 - A FUSE SHORT CIRCUIT FOR GREAT POWERS : en es
  • ES176300A1 - IMPROVEMENTS IN THE MANUFACTURE OF WHALES OR FLEXIBLE RODS FOR CORSES AND FAJAS : en es
  • AU138548B2 - Improvements in meat tenderizing machines : en
  • CA441687A - Can making machine : en fr
  • CH248790A - Meat grinder. : de en
  • ES14312Y - Metal ring perfected for caps and ornaments of fountain pens. : en es
  • US2421035A - Composition for and method of extinguishing fires : en
  • ES14939U - Paddle to beat (Machine-translation by Google Translate, not legally binding) : en es
  • USD146838S - Design for a casing for hearing aid apparatus : en
  • CA15432S - Fruit pickling tray : en
  • CA441697A - Can body welding machine : en fr
  • ES177677A1 - A PERFECTED IRONING MACHINE : en es
  • FR922130A - Improvements to modulating transformers : en fr
  • GB588659A - Vibratory electromagnetic tool : en
  • ES177533A1 - IMPROVEMENTS IN THE CONSTRUCTION OF MANUAL APPARATUS FOR NAILING STAPLES, NAILS OR SIMILAR : en es
  • PL33293B1 - A method of producing a shoemaker's ring tape : en pl
  • CA441756A - Dental surveying instrument : en fr
  • ES177734A1 - A METHOD FOR FORMING AND DEBURING PARTS CAST BETWEEN DIES : en es
  • CH248867A - Pendulum clock. : de en
  • US2421332A - Quick disconnect coupling : en
  • ES14959U - Support for the tie. (Machine-translation by Google Translate, not legally binding) : en es
  • FR922111A - Improvements in the construction methods of high power electron tubes : en fr
  • GB588660A - Improvements in the production of polymeric materials : en
  • GB588551A - Processes for the improvement of rubber : en
  • CH249044A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • CA441698A - Electroplating process : en fr
  • US2421131A - Development of chromed dyes on nylon by steaming under pressure : en
  • AU133803B2 - Key-locked fastenings of attache cases andthe like : en
  • CA441659A - Steam generator : en fr
  • ES14936U - Electric heating element. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421264A - Packing device having fastener means for facilitating the formation of attractive display layers : en
  • US2421177A - Nasal inhaler : en
  • US2421156A - Speed equalizing landing wheel : en
  • US2421319A - Filament scraper : en
  • CH249022A - Process for the preparation of an ester type azo dye derivative. : de en
  • CH249035A - Turret for turret lathes. : de en
  • US2421114A - Apparatus for reading blood : en
  • AU130884B2 - Improvements in or relating to cabinets for cutlery andthe like : en
  • US2421248A - Method of and apparatus for determining absolute altitude : en
  • ES177160A1 - AN APPARATUS TO DISPLAY AND CHOOSE CIGARETTE OR CIGARETTE WITH COMFORTABLE MEANS : en es
  • ES177599A1 - A CLAMP VULCANIZER APPARATUS WITH AUTOMATIC PRESSURE OF THE HEATING PLATE : en es
  • AU124262B2 - Embedded element sole plate and method of making : en
  • ES14991U - Device for stabilized blood transfusions. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248925A - Lubrication system of an internal combustion engine with inverted cylinders. : en fr
  • AU1602644A - Improvements in or relating to container closures : en
  • AU1749744A - Process of treating soap particles : en
  • ES177524A1 - A PROCEDURE FOR THE OBTAINING OF FEEDS FOR LIVESTOCK, TAKING, AS A FIRST MATERIAL, WASTE FROM THE WINE INDUSTRY (ORUJOS) : en es
  • AU135613B2 - Dyeing of highly polymeric linear esters : en
  • ES177601A3 - A METHOD OF COATING PAPER : en es
  • GB588548A - Manufacture of pile fabrics, in particular the manufacture of carpets, rugs, plushes and similar articles : en
  • AU1088943A - Improvements in directional shortwave aerials : en
  • FR922058A - Process for making grape sugar in crystallized state and artificial honey from grape must, and the products of these processes : en fr
  • AU1175047A - An improved insulated electric conductor : en
  • AU421046A - Interconnected gas and water valve combination for water heaters : en
  • CA441761A - Annular floating toothed gearing : en fr
  • ES177593A1 - A SUPPORT DEVICE FOR A GEAR CASE FOR ELECTRIC TRACTION VEHICLE ON RAILS : en es
  • ES177717A1 - IMPROVEMENTS IN PHOTOGRAPHIC EMULSIONS : en es
  • GB588683A - Bevelling machine suitable for bevelling glass and the like : en
  • CA441758A - Window : en fr
  • CH248964A - Process for the preparation of a new synthetic, estrogenic agent. : de en
  • AU1088747A - Process of Making Milkfat from Cream : en
  • AU1406444A - Method of knitting : en
  • ES14346Y - Luminous advertising device. : en es
  • FR922091A - Lighting method and installation using electric energy by static influence : en fr
  • AU1170447A - Improvements in or relating toa method of magnetically recording fluctuating electrical energy andthe magnetic recorder for carrying out said method : en
  • ES15012U - Dock frame of hardware, saddle for bicycles, motorcycles and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421026A - Delay device : en
  • US2421128A - Means for handling loads in vehicles : en
  • AU1175447A - Improvements in or relating to method of manufacturing wound core structures : en
  • FR922129A - Improvements to heat exchangers : en fr
  • AU1415944A - Improvements in or relating to dispensing apparatus for liquids : en
  • BE472535A - : en
  • CA441672A - Electrical signalling system : en fr
  • AU124250B2 - Improvements relating tothe transmission and reception of intelligence by signal impulses of varying time duration : en
  • CH248986A - Device for conveying tubers and roots, fruits, minerals, etc. : de en
  • ES177748A1 - IMPROVED OVEN FOR BURNING SULFIDE MINERALS : en es
  • FR922107A - Engine block mounting system on motor vehicle chassis : en fr
  • CH248826A - Device for driving the pin holder drum of a music box. : en fr
  • AU1171647A - ~Improved boost control mechanism for supercharged internal combustion engines : en
  • AU1136747A - Improvements in or relating to surface-active compositions and method of producing same : en
  • AU135199B2 - Improvements in or relating to selenium rectifiers : en
  • CH248748A - Process for the production of briquettes from organic materials and equipment for carrying out this process. : de en
  • CH248751A - Equipment on cooking stoves for collecting spilled or boiling over food. : de en
  • CH248752A - Apparatus for cutting food such as apples, potatoes, etc. : en fr
  • ES14931U - Electrode for electric welding by electric arc and joule effect produced by a metal spiral conductor circuit closure. (Machine-translation by Google Translate, not legally binding) : en es
  • BE472833A - : en
  • CH249040A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • AU126366B2 - Improvements in or relating to parachute packs : en
  • ES14964U - Curved needle for footwear sewing, system escarpºn. (Machine-translation by Google Translate, not legally binding) : en es
  • FR922069A - Hand vise holder : en fr
  • AU136852B2 - Improvements in containers : en
  • CA441676A - Ignition apparatus : en fr
  • CA441753A - Radio receiving system : en fr
  • CA441707A - Packet : en fr
  • CH248875A - Method and device for casting objects, in which method a substance in a liquid state is sucked into a vented mold. : de en
  • CH249009A - Process for the preparation of a metallizable disazo dye. : de en
  • AU1170247A - Preboarding machine : en
  • ES14986U - Improved cannula for pear syringes (Machine-translation by Google Translate, not legally binding) : en es
  • ES177728A1 - A PERFECTED HYDRAULIC ELEVATOR APPARATUS : en es
  • GR11170B - TREATMENT OF STEEL REINFORCEMENTS FOR CONCRETE ARME TO INCREASE THEIR STRENGTH AND CONFORMITY. : el en
  • CA441749A - Circuit for cathode ray tubes : en fr
  • CH248948A - Method and device for the production of capacitors. : de en
  • CA441730A - Filter : en fr
  • ES176913A1 - A PROCEDURE OF MANUFACTURING A COVERING MATERIAL FOR WALLS AND OTHER SURFACES : en es
  • FR54065E - Spinning reel : en fr
  • FR54088E - Pocket box : en fr
  • ES177645A1 - A FRICTION OR FRICTION DAMPERING MECHANISM : en es
  • FR54090E - Quick and simultaneous fixing of mobile elements or groups of feet and in variable positions combined or independent of the clamping mode at the periphery of the table top in various tripods or other applications : en fr
  • GB588613A - Improvements in or relating to blasting assemblies and to delay devices for use therein : en
  • CA441669A - Container sealing method : en fr
  • CH249023A - Process for the preparation of an ester type azo dye derivative. : de en
  • GB588579A - Improvements in or relating to methods of decorating and/or inscribing plastic materials : en
  • ES177771A1 - A SYSTEM OF TRANSMISSION OF ELECTRICAL SIGNALS, WITH CHARGED TRANSMISSION LINES : en es
  • ES177795A1 - A PROCEDURE FOR THE PREPARATION OF OILS FROM THE RESIN OIL FOR EMPLOYMENT AS A VEHICLE OF COLORING MATERIALS : en es
  • US2421199A - Process for preserving eggs : en
  • US2421189A - Supporting frame for fabricating material : en
  • FR922121A - Improvements to pumps and motors of the gear type : en fr
  • ES177638A1 - IMPROVEMENTS MADE IN THE TREATMENT OF CARBON BRUSHES : en es
  • US2421232A - Display support or fixture : en
  • ES177667A1 - A PROCEDURE FOR THE PREPARATION OF THE SURFACE OF TUBES, BULBS OR OTHER GEOMETRIC FORMS INTENDED TO BE COVERED WITH FLUORESCENT OR FOSFORESCENT SUBSTANCES : en es
  • ES176326A1 - NEW PROCEDURE FOR THE MANUFACTURE OF CUTTING BLADES : en es
  • ES177040A1 - A METHOD OF BINDING BOTH GLASS WITH METAL : en es
  • GB588703A - Improvements relating to electrical potentiometers : en
  • GB588704A - Improvements relating to electrically actuated remote-control apparatus : en
  • AU124261B2 - Improvements in and relating to bricks and brickwork and flashing for use therewith : en
  • CH248794A - Emulsifier. : en fr
  • GB588514A - Improvements in machines for distributing manure and other material : en
  • US2421045A - Solderless connection : en
  • ES177665A1 - AN EXPLOSION ENGINE : en es
  • ES177758A3 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRICAL PLUGS : en es
  • FR922095A - Reels for fishing : en fr
  • CH248757A - Adjusting device for the optional adjustment of a pivotable part in relation to a fixed part. : de en
  • CH248919A - Compressor with replaceable sleeve pushed into the cylinder. : de en
  • ES14918U - Container with obturable outlet on its lid. (Machine-translation by Google Translate, not legally binding) : en es
  • ES15006U - Mortise lock or lock. (Machine-translation by Google Translate, not legally binding) : en es
  • CH248798A - Process for the production of aluminum hydrate. : de en
  • ES177659A1 - AN APPARATUS TO VARATE OR REMOVE TO THE BEACH BOATS OR OTHER VESSELS : en es
  • SU68563A1 - Method of multiple transmission of instrument readings by radio : en ru
  • IE17252L - Dividing thermoplastic fabrics : en
  • AU124277B2 - Improvements relating tothe supporting of casements : en
  • CH248951A - Process for the production of dry rectifier disks. : de en
  • US2421219A - Balancing valve : en
  • ES177573A1 - IMPROVEMENTS IN LUMINOUS ROCKETS : en es
  • GB588557A - Improvements in means for preventing the theft of cycles and/or pumps mounted on cycles : en
  • ES176890A1 - A METHOD OF DRYING ARTICLES, ESPECIALLY RUBBER ARTICLES : en es
  • US2421339A - Knife or dagger : en
  • US2421194A - Suction actuated motor for windshield wipers : en
  • US2421228A - Hose coupling : en
  • ES177698A1 - TWO VOCAL FREQUENCY SIGNALING TEAM : en es
  • ES177643A3 - A PROCEDURE OF MAKING A COATED PRODUCT : en es
  • ES177730A1 - A CLOCK OF MECHANICAL-ELECTROMAGNETIC OPERATION, WITH AUTOMATIC ALTERNATE CONNECTION TO CONTINUOUS AND ALTERNATE WITH VOLTAGE REGULATOR FOR THIS LAST : en es
  • FR922103A - Hair-dryer : en fr
  • ES177720A1 - IMPROVEMENTS IN PHOTOGRAPHIC EMULSIONS : en es
  • GB588641A - Improvements in and relating to door frames : en
  • IE17680L - Electric furnace electrodes : en
  • US2421223A - Stabilized insecticide : en
  • AU129211B2 - Improved means for burning firebreaks : en
  • CA441739A - Electrical conductor : en fr
  • US2421041A - Toy vehicle : en
  • AU1183047A - Improvements in or relating to selenium rectifiers : en
  • AU135177B2 - Recovery of ammonia andiron by treating gases containing ammonia and hydrogen sulfide with pickle liquor : en
  • CH248809A - Process for the production of cardboard containers and moisture-permeable cardboard containers produced by the process. : de en
  • CH248861A - Stereophonic player. : de en
  • CH248963A - Porcelain artificial tooth and method of making the same. : de en
  • GB588608A - Improvement in electro-optical function synthesizers : en
  • US2421036A - Method and apparatus for testing centrifugally actuated members : en
  • GB588536A - Automatic power-operated machines for cleaning or stripping the revolving top clearers of cotton-spinning machines, jack frames, intermediate frames, or slubbing frames : en
  • AU135532B2 - Improvements in rotary cultivators : en
  • GB588640A - Improvements in electrical control mechanism : en
  • US2421047A - Method of attaching wires to metal surfaces : en
  • ES14999U - Articulated or crawled leather strap. (Machine-translation by Google Translate, not legally binding) : en es
  • ES176584A1 - PROCEDURE FOR THE PREPARATION OF A SPECIAL PHOTOGRAPHIC PAPER : en es
  • GB588516A - Improvements in electric immersion heaters : en
  • CH248844A - Tool for checking workpieces to be machined at an angle. : de en
  • ES173270A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 161802 : en es
  • ES176044A1 - A DEVICE FOR THE ANCHORING OF OSCILLATING DISHES : en es
  • FR54095E - Soft sole for shoe : en fr
  • GR11168B - SINGLE NUMBER PIECE FROM SOLID PLASTIC METAL SOURCE SOLUTIONS. : el en
  • US2421198A - Internal-combustion engine : en
  • US2421130A - Timing device : en
  • AU124263B2 - Improvements in or relating to electric alarm clocks : en
  • SU68533A1 - Catalyst for the oxidation of olefins to aldehydes and ketones : en ru
  • ES177640A3 - A PROCEDURE FOR MAKING AN ARTICLE OF SMOOTH, ADHERENT, WATERPROOF, COATED AND HIGH CORROSION RESISTANCE : en es
  • ES177545A1 - IMPROVEMENTS IN VAGINAL WASHING DEVICES : en es
  • CH248856A - Method for determining the moisture content of a body by weighing and device for carrying out the method. : de en
  • CH249026A - Process for the preparation of an ester type azo dye derivative. : de en
  • US2421298A - Transformer : en
  • CA441726A - Variable leverage brake : en fr
  • CA441767A - Electron discharge device : en fr
  • CH248829A - Rocking toys. : de en
  • AU2028245A - Improvements in paper punches : en
  • BE469507A - : en
  • CH248733A - District heating plant. : de en
  • AU133824B2 - Improvements in and relating tothe tangent screws of instruments : en
  • US2421210A - Screen stencil machine with traveling orbital inker : en
  • CH248734A - Process for manufacturing parts in agglomerated material. : en fr
  • CH249031A - Process for the preparation of an ester type azo dye derivative. : de en
  • CH248983A - Stand for displaying wristwatches. : de en
  • US2421135A - Method and apparatus for conditioning warp, threads, yarns, and the like : en
  • AU139559B2 - Improvements in and relating to electric discharge devices : en
  • CA441742A - Telegraph system : en fr
  • CH249006A - Process for the preparation of a new trimethyl quaternary ammonium compound. : de en
  • BE472669A - Process for preparing a flame retardant from organic silicates. : en fr
  • CH248755A - Apparatus for diluting beverages. : de en
  • CA441750A - Two-way carrier wave signalling system : en fr
  • CH248776A - Drive device on sewing machines. : de en
  • AU1740344A - Door latch : en
  • US2421132A - Tension equalizer for plastic extruders : en
  • US2421064A - Garbage disposal device : en
  • CH248848A - Method and device for displaying temperatures. : de en
  • CH249034A - Method for changing ink ribbons and means for carrying out the same. : de en
  • CH248737A - Tunnel furnace with a conveyor belt. : de en
  • CH249021A - Process for the preparation of an ester type azo dye derivative. : de en
  • CH249030A - Process for the preparation of an ester type azo dye derivative. : de en
  • PL33281B1 - A set of cant cards for accounting purposes and a box for this team : en pl
  • CA441762A - Cooking device : en fr
  • CH248870A - Clock. : de en
  • GB588570A - Improved construction of greenhouses, garages, or similar small framed structures : en
  • CH248743A - Process for the manufacture of glass and installation for carrying out the process. : en fr
  • CH249001A - Process for the preparation of a new amide derivative. : de en
  • CH249014A - Process for the preparation of an ester type azo dye derivative. : de en
  • GB588693A - Improvements in temples for looms for weaving : en
  • AU1170747A - Method of producing permanently stiffened articles of wearing apparel : en
  • AU124289B2 - Improvements in paper punches : en
  • AU136869B2 - Improvements in rotary drum drying machines : en
  • US2421054A - Carrier-shift signal control circuits : en
  • US2421069A - Punch : en
  • AU135144B2 - Improvements in or relating to glass cutters : en
  • CH248715A - Device for spreading, in particular artificial fertilizers. : de en
  • CA441692A - Electric heating system for buildings : en fr
  • CH248824A - Device for the popularization of astronomy. : en fr
  • CH248836A - Firearm. : de en
  • CH248897A - Device for opening and closing bicycle chains. : de en
  • AU1088447A - Improvements in or relating to glass cutters : en
  • AU1179347A - Improvements in or relating to force feed lubricating systems : en
  • US2421165A - Process for preparing nitro amines : en
  • US2421343A - Article coating apparatus : en
  • BE472555A - : fr
  • CH248896A - Hand tool with rotatable working part. : de en
  • CH248765A - Holders for ties and belts. : de en
  • CH248745A - Process for using the heat contained in the fumes as they exit from at least one furnace. : en fr
  • CH249056A - Circuit with increased freedom from noise for the transmission of electrical high-frequency oscillations. : de en
  • GB588679A - Improvements in photo-electric gauging apparatus : en
  • CH248860A - Process for obtaining an original phonographic disc, intended to be reproduced using a matrix. : en fr
  • CH248913A - Device with adjustable support surface. : de en
  • ES177751A3 - AN ELECTRIC GRAMOPHONE DEVICE WITH AUTOMATIC DISC CHANGE : en es
  • AU1433844A - Improvements in or relating to servo devices : en
  • ES14924U - Hermetic dividing device, applicable to bathtubs. : en es
  • ES14927U - Trim ring for automobile wheels. (Machine-translation by Google Translate, not legally binding) : en es
  • FR922114A - Reinforced wood : en fr
  • CA441768A - Accumulator : en fr
  • US2421067A - Laundry bag and closing device therefor : en
  • CH248949A - Closed vessel in which at least two vessel parts are attached to one another in an airtight manner by means of enamel. : de en
  • AU380846A - Improved means for burning firebreaks : en
  • CH248866A - Glasses with dimming device. : de en
  • CH248927A - Internal combustion engine with pre-cooling. : de en
  • AU1183947A - Improvements in or relating to control circuits for gaseous discharge tubes : en
  • CA441734A - Electrical conductor cable : en fr
  • CH248800A - Process for the preparation of a 4-chloro-benzenesulfonamide. : de en
  • US2421025A - Demodulator system : en
  • US2421303A - Fire extinguishing system : en
  • CA441677A - Brake : en fr
  • CH248869A - Shock-absorbing bearing for clockworks. : de en
  • AU1093247A - Improvements relating to the mounting of gas or electric fires or other heating apparatus : en
  • BE472585A - : en fr
  • CA441731A - Open-retaining ring : en fr
  • CA441720A - Propeller for aeroplanes : en fr
  • ES14353Y - Mechanical pencil with special characteristics. : en es
  • FR54100E - Automotive suspension : en fr
  • ES15008U - Wrenches for nuts (Machine-translation by Google Translate, not legally binding) : en es
  • AU124278B2 - Improvements in and relating to louvres : en
  • AU1439744A - Improvements in or relating to power operated gun turrets For aircraft : en
  • ES177613A1 - A PESTICIDE PURIFICATION PROCEDURE : en es
  • AU127082B2 - Improvements in or relating to electric heaters : en
  • AU135512B2 - Improvements in or relating to vapour generators : en
  • CH248834A - Device on military rifles for shooting with small caliber cartridges. : de en
  • AU124249B2 - Improvements in or relating to dispensing apparatus for liquids : en
  • AU124243B2 - Improvements in or relating to servo devices : en
  • AU132814B2 - Improvements in or relating to surface-active compositions and method of producing same : en
  • CH248976A - Device for emitting current pulses for the automatic establishment of telephone connections. : de en
  • CA441719A - Water heater : en fr
  • US2421260A - Worktable for stamping and embossing machines : en
  • CH248934A - Apparatus for quick freezing goods. : de en
  • CH249008A - Process for the preparation of a metallizable disazo dye. : de en
  • CA441754A - Electron discharge device : en fr
  • ES177161A1 - AN APPARATUS TO COMFORTABLY DISPLAY CIGARS AND CIGARETTES WITH OWN LIGHTING EQUIPMENT : en es
  • AU1174947A - Improvements in or relating to plasticized amino resinous compositions : en
  • CA441744A - Armored conductor : en fr
  • CA441759A - Current amplifying apparatus : en fr
  • AU1140647A - Recovery of ammonia andiron by treating gases containing ammonia and hydrogen sulfide with pickle liquor : en
  • CH248799A - Process for the production of sodium aluminate. : de en
  • ES14953U - A set of beds with two bunk beds that can be converted into individual beds that can be peeled (Machine-translation by Google Translate, not legally binding) : en es
  • CH248880A - Electric hot point sharpening machine for the ends of wires and bars to be drawn out. : de en
  • ES177194A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 166798 : en es
  • GB588519A - Improvements in or relating to devices for suspending curtains and the like : en
  • GB588530A - Improvements in or relating to pruning or like tools : en
  • CA441689A - Lock device : en fr
  • CH248740A - Safety lock. : de en
  • CH248909A - Device for cleaning tobacco pipe heads. : de en
  • CH249050A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • CA441655A - Fishing line attachment : en fr
  • CH248985A - Holder for tubes. : de en
  • USRE22883E - Battery charging thermostat : en
  • AU1182747A - Drives for sheepshearing or like devices : en
  • CH248902A - Pyrophoric lighter. : en fr
  • CH248845A - System for azimuth determination using electromagnetic waves. : de en
  • CH248944A - Process for the production of enamelled wirewound resistors and resistance produced according to this process. : de en
  • CA441740A - Electron discharge device manufacture : en fr
  • CH248729A - Machine for digging trenches. : en fr
  • US2421002A - Tensile strength testing apparatus : en
  • US2421154A - Aluminum powder and resin spot facing material : en
  • CH248908A - Lighter wick. : en fr
  • SU68497A1 - Single phase induction motor : en ru
  • US2421094A - Treatment of wool-washing effluent : en
  • ES177597A1 - A WAVE SWITCH APPARATUS, UNIVERSAL APPLICATION : en es
  • AU136967B2 - Improvements in or relating to pumps : en
  • CA441699A - Nut manufacture : en fr
  • CA441755A - Ceramic material : en fr
  • CH248933A - Safety device against lack of water in a steam boiler. : de en
  • GB588624A - Improvements in yarn guiding means for textile machines : en
  • GB588684A - Improvements relating to solidified or gelled mineral oils : en
  • ES15001U - Tube for flexible control cables. (Machine-translation by Google Translate, not legally binding) : en es
  • US2421118A - Plant extracts and method of producing same : en
  • AU139916B2 - Improvements in or relating to electric transformers and reactors : en
  • ES176869A1 - A PROCEDURE FOR THE MANUFACTURE OF YEAST WITH AERATION AND ADDITION OF MOSTO DURING THE FERMENTATION : en es
  • US2421178A - Clamp : en
  • US2421143A - Grinder wheel dresser : en
  • AU124276B2 - Automatic speed limiting device for hydraulic turbine rotors : en
  • CH248960A - Safety device designed to automatically close a gas nozzle when this is missing. : en it
  • CA441733A - Electrical condenser : en fr
  • FR922113A - Wheelbarrow wheel : en fr
  • PL33285B1 - Method of producing metals and metal alloys in induction furnaces : en pl
  • US2421208A - Method of applying phosphor material to a support member : en
  • US2421164A - Sleeve balancing arrangement for radial engines : en
  • CH248791A - Process for the production of primary starch, secondary starch and protein suitable for human nutrition from poisonous, tasteless seeds. : de en
  • US2421358A - Radius former for end mills : en
  • CH248858A - Calculation device. : en fr
  • FR922072A - Device for measuring frequencies or totaling frequency deviations : en fr
  • BE472772A - : en fr
  • ES14327Y - Marker label. : en es
  • AU1171547A - Improvements in submerged melt welding : en
  • US2421281A - Chuck : en
  • ES14308Y - Recreational toy : en es
  • ES177113A1 - IMPROVEMENTS IN THE BATTERIES : en es
  • ES177581A1 - A DEVICE TO MANUFACTURE MOLDED ELASTIC POINT ARTICLES : en es
  • ES177686A1 - ELECTRONIC DISCHARGE DEVICES : en es
  • FR922124A - Automatic control device : en fr
  • GB588556A - Improvements in or relating to the manufacture of condensers having plastic film dielectrics : en
  • GB588644A - Improvements in variable inductors : en
  • GB588511A - Improvements in or relating to frictional igniters : en
  • FR922055A - Composition releasing chlorine dioxide : en fr
  • ES177155A1 - A CONDENSER FOR ZINC VAPOR : en es
  • GB588607A - Improvements in or relating to vibratory mechanism : en
  • GR11166B - STRENGTHENED FRAMEWORKS. : el en
  • AU131303B2 - Improvements relating tothe treatment of liquids : en
  • AU1977845A - Improvements in or relating to preparation of organosilicon halides : en
  • FR922148A - Method of obtaining alternating electric current : en fr
  • GB588605A - Improvements in the demuriation of chloroethyl cholorobenzenes : en
  • GR11167B - VEGETABLE AND FRUIT PACKAGING BOX. : el en
  • CH248926A - Cooling air control device on internal combustion engines. : de en
  • US2421206A - Hydraulic brake mechanism and control therefor : en
  • ES14917U - Esquela mortuary, folder type. (Machine-translation by Google Translate, not legally binding) : en es
  • ES177680A3 - A MACHINE CONSISTENT OF A ROTARY HOE WITH MOTOR AND FOR VARIOUS OTHER AGRICULTURAL APPLICATIONS : en es
  • GB588676A - Improvements in or relating to sliver roll forming and delivery apparatus : en
  • GB588594A - Improvements relating to foldable tables, stools or the like : en
  • GR11171B - PERMANENT SEATS FOR BUSES AND HOW TO MAKE THEM. : el en
  • FR922126A - Route map and device for using this map : en fr
  • US2421253A - Wrist watch attachment : en
  • US2421073A - Sheet making mechanism : en
  • ES177569A1 - AN APPARATUS FOR CONTINUOUS COMPLEMENTARY TREATMENT TO THE AIR COATING OF FLEOSY TEXTILES : en es
  • US2421159A - Cutting oil base : en
  • US2421043A - Detector of modulated carrier frequencies : en
  • ES177697A1 - TWO VOCAL FREQUENCY SIGNALING TEAM : en es
  • ES177767A1 - A PROCEDURE FOR THE MANUFACTURE OF MOLDED TISSUES : en es
  • FR922135A - Improvements to light generators for cycles and motorcycles : en fr
  • US2421042A - Slave directional gyroscope : en
  • US2421057A - Adjustable reflector : en
  • USD146829S - Design fob a game board : en
  • ES176842A1 - IMPROVEMENTS IN THE MANUFACTURE OF BEAMS FOR CONSTRUCTION : en es
  • GB588507A - Improvements in or relating to automatic release-links for parachute-borne loads : en
  • US2421227A - Apparatus for testing electric coils : en
  • ES177732A1 - A MACHINE TO SAW MARES : en es
  • US2421162A - Snath for scythes : en
  • US2421251A - Supporting means for vertical axis washing machine spinner baskets : en
  • GB588562A - Apparatus for drying and conditioning sulphate of ammonia and other granular and crystalline products : en
  • ES177639A3 - A PROCEDURE FOR TREATING A METAL OF THE CLASS FORMED BY ALUMINUM AND THE PREDOMINANT ALLOYS OF THE SAME TO PRODUCE AN ADHERENT SURFACE : en es
  • CH248802A - Process for the production of ribose. : de en
  • CH248979A - Transmit-receive circuit. : de en
  • CH248996A - Storage of pantographs for electrically powered vehicles, in particular trolleybuses. : de en
  • GB588503A - Improvements in or relating to dispersions of synthetic elastomers : en
  • CH248725A - Process for the manufacture of a prestressed concrete element. : en fr
  • USD146834S - Design for a toy goose : en
  • ES13369Y - Scissors with means to cut oneself the hair. : en es
  • ES176855A1 - AN ELECTROMECHANICAL DEVICE TO HEAT PINEAPPLE OR OTHER BEVERAGES IN THE CUP OR CONTAINER THAT CONTAINS : en es
  • GB588591A - Improvements in two-way loudspeaking telephone systems : en
  • CH249046A - Process for the preparation of a basic ester of a 1-aryl-cycloalkyl-1-carboxylic acid. : de en
  • FR922047A - Threading device, with interchangeable threaded master sleeve, for machine tools and in particular for revolving lathes : en fr
  • CA441664A - Paper producing process : en fr
  • CA441670A - Bridge decking member : en fr
  • CA441738A - Electrical conductor : en fr
  • ES14338Y - Relief pantograph. : en es
  • ES177673A1 - A PROCEDURE FOR THE OBTAINING OF A DECARBONIZER FOR CYLINDERS (CULATAS) OF EXPLOSION ENGINES AND ITS METHOD OF APPLICATION FOR ITS USE IN THE ENGINE : en es
  • SU68401A1 - Instrument for determining the octane number of liquid motor fuels : en ru
  • ES177671A1 - A PROCEDURE TO PROVIDE SECTIVE PROPERTIES TO THE RESIN OIL THROUGH THE CATALYZING ACTION OF THE MANGANESE AND COBALT : en es
  • ES177700A1 - IMPROVEMENTS IN OR RELATED TO HIGH FREQUENCY HEATING EQUIPMENT : en es
  • BE469499A - Slider closure : en fr
  • ES177560A1 - IMPROVEMENTS MADE TO SEPARABLE-SIDE TIRES FOR VEHICLE WHEELS : en es
  • ES177591A1 - A MACHINE TO DISPOSE THERMOMETERS, ESPECIALLY CLINICAL THERMOMETERS : en es
  • GB588668A - A new or improved trailer dumping vehicle : en
  • US2421335A - Method of treating twisted filamentary materials : en
  • GB588561A - Improvements in yarn packages for rug-making and in a method of making rugs and the like therefrom : en
  • US2421352A - Substituted thiocarbamo sulfenamides : en
  • ES177523A1 - A PROCEDURE FOR OBTAINING POTASSIC BITARTRATE (CREMOR TARTARO), STARTING FROM ORUJOS AS FIRST MATTER : en es
  • FR922053A - improved electrode for discharge lamp : en fr
  • ES177557A1 - A PROCEDURE FOR PREPARING LEATHER : en es
  • ES177684A1 - A FREQUENCY DISCRIMINATING SYSTEM : en es
  • FR922006A - Trouser protector with elastic stiffener : en fr
  • US2421133A - Automatic pressure operated hydraulic piston type admission and exhaust valve : en
  • CA441665A - Motor conditioning apparatus : en fr
  • CH248779A - Device for tensioning a piece of fabric to be processed on a sewing machine. : de en
  • CH249016A - Process for the preparation of an ester type azo dye derivative. : de en
  • US2421048A - Berry box carrier : en
  • US2421091A - Mechanical horse : en
  • USD146827S - Ash tray holder or similar article : en
  • ES15016U - Foldable stroller for children. (Machine-translation by Google Translate, not legally binding) : en es
  • FR922045A - Thermal insulation device for pipes and similar applications : en fr
  • US2421088A - Insert sole : en
  • US2421079A - Method for silvering nonconductive materials : en
  • GB588547A - Improvements in or relating to the removal of carbon dioxide from industrial carbonaceous gases : en
  • ES177702A1 - IMPROVEMENTS IN OR RELATING TO ARRANGEMENTS TO SWITCH AMPLIFIERS USED IN HIGH FREQUENCY ELECTRICAL COMMUNICATION CIRCUITS : en es
  • GB588665A - Improvements in or relating to vehicle braking systems to assist steering : en
  • FR922065A - Stylomine : en fr
  • CH248958A - Device for converting direct current into alternating current according to the chopper principle. : de en
  • US2421028A - Wave reflection aircraft detector using rotating polarization : en
  • ES14243Y - Curved fruit juice extractor. : en es
  • FR922009A - Improvements to self-contained breathing apparatus : en fr
  • AU135036B2 - Recovery of ammonia andiron by treating gases containing ammonia and hydrogen sulfide with pickle liquor : en
  • CH248806A - Process for the preparation of a polyazo dye of the pyrazolone series. : de en
  • US2421046A - Plasticized ethyl cellulose and methods of making the same : en
  • US2421353A - Tubular plastic shoe upper : en
  • AU2044445A - Improvements in transmission mechanism : en
  • CH249013A - Process for the preparation of an ester type azo dye derivative. : de en
  • ES177606A1 - A NEW KITCHEN SINK, FOR DOMESTIC USE : en es
  • FR922054A - Filaments, fibers, etc. made of highly polymerized materials : en fr
  • US2421003A - Fluid flow responsive device : en
  • US2421051A - Clothes hanger : en
  • US2421063A - Method for recovery of naringin : en
  • CH248795A - Lifter. : de en
  • GB588686A - Improvements in or relating to brackets for supporting wall tables, shelves and likefitments : en
  • FR922140A - Preparation process for applying mortars : en fr
  • GB588542A - Arrangements for applying attachments to travelling lengths of material : en
  • GB588661A - Improvements in or relating to straight-bar knitting machines : en
  • AU124290B2 - Improvements in centrifugal pumps : en
  • FR922059A - Supercharger for pen nibs : en fr
  • ES176909A1 - IMPROVEMENTS IN GUIDE DEVICES FOR THREADS AND FILAMENTS : en es
  • ES14871U - Book of loose sheets. (Machine-translation by Google Translate, not legally binding) : en es