• US2284925A - Shaker conveyer trough connecting means : en
  • US2285286A - Telephone dial manipulating device : en
  • AU115181B2 - Improvements in brake mechanism : en
  • CA405200A - Firearm : en fr
  • US2284916A - Program selector : en
  • US2285168A - Traffic control system : en
  • US2285346A - Cabinet construction : en
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  • US2285230A - Lawn mower : en
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  • AU115191B2 - Improvements in or relating tothe prevention of caking or setting of ammonium nitrate or ammonium nitrate compositions : en
  • CA405136A - Variable voltage motor control : en fr
  • CA405175A - Vegetable glue : en fr
  • FR872239A - Improvement in the manufacturing processes of electric motor rotors : en fr
  • GB545604A - Improvements in or relating to titanium pigments : en
  • CA405151A - Ballast car : en fr
  • US2284696A - Railway truck structure : en
  • ES149747A1 - IMPROVEMENT IN THE MANUFACTURE OF TRAPEZOID BELTS : en es
  • US2284642A - Support for projectiles : en
  • US2285022A - Telephone substation apparatus : en
  • US2285169A - Well pump : en
  • ES150898A1 - IMPROVEMENTS IN THE SPROCKET OR FREE WHEEL DEVICE, ESPECIALLY FOR BICYCLES, MOTORCYCLES AND OTHER SIMILAR VEHICLES : en es
  • GB545635A - Improvements in and relating to enamelled metal articles, nameplates, signs and thelike : en
  • US2284770A - Garment rack : en
  • US2285261A - Film drying method and apparatus : en
  • US2285332A - Carpet : en
  • DE721320C - Device for cooling the heater tubes of thermal power plants, in which a gaseous working medium describes a closed circuit : de en
  • US2285069A - Hydraulic feed control system : en
  • US2285157A - Method of and apparatus for cleaning pipes : en
  • US2285282A - Telephone system : en
  • FR872266A - Nipple grate for narrow tube boiler : en fr
  • CA405167A - Sound recording and reproducing apparatus : en fr
  • ES149565A1 - A PROCEDURE TO PRODUCE THE EXPLOSION AT THE END OF ITS PATH IN PUMPS IN GENERAL AND ESPECIALLY THE AVIATION : en es
  • ES150529A1 - A PROCEDURE TO OBTAIN BLOCKS COVERED BY CASTING OF FOUNDRY : en es
  • ES150892A1 - A BOARD OF RAILWAY RAILS WITH OBLIQUE PLANS : en es
  • ES150514A1 - AN ALMOND BREAKING MACHINE : en es
  • ES150360A1 - NEW PROCEDURE, WITH YOUR CORRESPONDING DEVICE, FOR THE DETERMINATION OF PLACES ON PLANS, MAPS, ETC. : en es
  • GB545581A - Improvements in or relating to statistical machines : en
  • ES150842A3 - AN INTERCOM DEVICE TELEMEGAPHONE : en es
  • FR872200A - Calculation device : en fr
  • ES150756A1 - IMPROVEMENT IN THE MANUFACTURE OF ALPARAGATAS, SHOES AND OTHER SIMILAR WITH RUBBER SOIL : en es
  • US2284865A - Machine for the extrusion of plastic masses, such as rubber : en
  • US2284873A - Navigation aiding radio beacon system : en
  • ES149347A1 - RIVER TORPEDO TO THE DRIFT, FOR THE DESTRUCTION OF BRIDGES AND OTHER OBSTRUCTIONS OF A MILITARY NATURE : en es
  • ES149781A1 - PROCEDURE AND APPARATUS FOR DISINFECTION, OR BE TO DESTROY BACTERIA : en es
  • FR872368A - Self-compensating electrical disconnector : en fr
  • AU150741A - Protective circuit arrangements for push-pull connected thermionic valves : en
  • US2284912A - Air duct damper : en
  • US2285103A - Display container : en
  • US2285352A - Electrical contact : en
  • ES150152A2 - A BODY FOR CARS : en es
  • FR872262A - Capacitor with armatures provided with protrusions or wings forming an integral part of the said armatures : en fr
  • GB545652A - Valve for pneumatic percussive tools : en
  • US2284973A - Recovery of gasoline from natural gas : en
  • DE721278C - Adjustment and locking device for the swiveling side rest or the head part of upholstered or reclining furniture : de en
  • DE721282C - Potato harvester with share and mold boards : de en
  • ES149788A1 - A FLYING APPARATUS BY DIRECT IMPULSE OF ROTATING BLADES AROUND A VERTICAL AXIS-PENDULUM : en es
  • ES150522A1 - TERMOPLASTIFICACIÓN DE NAFTOLES BUNA : en es
  • ES150912A2 - AN ARRANGEMENT OF ANTENNAS : en es
  • FR872252A - Method and device for applying glue to labels, edging strips, cigar wrappers and other applications : en fr
  • GB545628A - Improvements in or relating to structural materials : en
  • ES150158A1 - A TERMIELECTRIC SYSTEM OF DELAY AND SECURITY FOR ITS USE IN RADIO APPLIANCES : en es
  • US2285151A - Apparatus for measuring capacity : en
  • US2284715A - Abrasive article : en
  • US2285267A - Container handling apparatus : en
  • ES149434A1 - IMPROVEMENTS IN RADIO LAMPS : en es
  • ES150105A3 - A CLAMPING MECHANISM ON DEVICES TO FIRE RIFLES WITH REDUCED SHOT AMMUNITION : en es
  • ES150255A3 - MECHANISM FOR BOOK-SHAPED FILES : en es
  • ES150548A1 - A PROCEDURE TO AVOID THE CORROSIVE EFFECT OF WATER ON METALS : en es
  • FR872297A - Machine for cleaning watch movements and parts : en fr
  • US2285223A - Rotary operator and retainer ring assembly : en
  • ES149397A1 - A DOOR CLOSER PROVIDED WITH AN ADDITIONAL LOCKING DEVICE : en es
  • ES150774A2 - A DEVICE FOR SECURING LOCKS AND HARDWARE ON SUITCASES, TRUNKS, BAGS AND THE LIKE : en es
  • FR872186A - Electronic signal distributor : en fr
  • DE721356C - Conveyor screw for the axial discharge of the conveyed material at its end : de en
  • ES150198A1 - LAPPING MACHINE : en es
  • ES150687A1 - A PROCEDURE FOR PREPARING AND USING A FILTERING SUBSTANCE : en es
  • FR872276A - Ignition switch for motorcycles : en fr
  • FR872393A - Protection of pipe threads : en fr
  • US2285257A - Brake : en
  • USPP526P - X -xx -xx x : en
  • FR872236A - Application to gasifiers of lost natural products with a hydrocarbon content : en fr
  • ES149626A1 - COUPLING A DRIVING PIPE TO A BODY, OR FOR EXAMPLE, A CHAMBER, A CLUTCH PIECE OR SIMILAR : en es
  • ES149712A1 - NEW DEVICE TO AVOID FRAUD IN ELECTRICAL CONSUMPTION : en es
  • US2284745A - Lamp socket : en
  • US2285051A - Brooch accessory : en
  • US2285133A - Cutter for and method of cutting gears : en
  • CA405142A - Motor control system : en fr
  • US2285177A - Match book : en
  • US2284763A - Rotary engine : en
  • CA405071A - Grain separating machine : en fr
  • ES149675A2 - IMPROVEMENTS IN GEARSHIFTING FOR BICYCLES : en es
  • ES149746A1 - A PROCEDURE FOR THE MANUFACTURE OF SOAPS WITHOUT GREASE : en es
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  • USD132591S - Design for a finger ring or similar article : en
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  • ES149355A1 - A PROCEDURE FOR THE REGENERATION OF THE VULCANIZED ELASTIC RUBBER : en es
  • DE721358C - Production of magnesium oxide from water-containing magnesium chloride solutions or melts : de en
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  • ES150217A1 - A PROCEDURE FOR OBTAINING A SPECIAL FIBER FROM THE SPARTO : en es
  • DE720302C - Weighing arrangement for vehicles with damping of the weighing vibrations : de en
  • ES149368A1 - IMPROVEMENTS IN THE MANUFACTURE OF SHAVE LEAVES : en es
  • US2284852A - Hydraulic drive : en
  • US2284903A - Automotive mileage reminder of the dial type : en
  • US2285046A - Tile and method of sealing : en
  • US2284646A - Confined spring mounting means : en
  • CA405125A - Radio tube seal and prongs : en fr
  • ES150700A1 - AN APPARATUS TO MAKE DEXTRIN OF DIFFERENT COLORATIONS AND THAT ALLOWS THE DEHYDRATION, ACIDIFICATION, DEXTRINIZATION AND COOLING OF DEXTRINE IN THE SAME CONTAINER : en es
  • FR872346A - Process for preserving wood : en fr
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  • ES150788A3 - IMPROVEMENTS IN THE MEANS OF CLOSING THE WRENCHES FOR LIQUIDS UNDER PRESSURE : en es
  • DE721479C - Device for carrying out reactions or processes of a chemical, metallurgical and physical nature by means of an electric arc : de en
  • ES150100A1 - GASOLINE SPRAYER AND GAS-OIL, WITH INVERTED TURBINES : en es
  • FR872157A - Improvements to centrifugal pumps : en fr
  • ES149447A1 - PURIFIER OF GAS GAS : en es
  • ES150791A1 - PROCEDURE FOR ACTION WITH GAS ACETYLENE EXPLOSION ENGINES : en es
  • ES149656A1 - IMPROVEMENTS IN THE FILES OR CLASSIFIERS OF VERTICAL TYPE : en es
  • CA405076A - Furnace stoker : en fr
  • ES150530A1 - A CONNECTING DEVICE : en es
  • ES150674A3 - PROCEDURE FOR THE MANUFACTURE OF ALCOHOL AND THE NETHERLANDS FROM THE RESIDUES OF THE APPLES FROM WHICH THE CIDER HAS BEEN EXTRACTED : en es
  • US2284826A - Sod cutting machine : en
  • ES149737A1 - NEW MANUFACTURING PROCEDURE FOR CEMENT AND VEGETABLE FIBER CEMENT MATERIALS : en es
  • FR872329A - Central and double-acting control, for brakes in general, but more particularly for bicycle, tandem or similar brakes : en fr
  • FR872379A - Cleaning product replacing soap : en fr
  • ES149876A1 - PROCEDURE FOR THE OBTAINING OF AZOLIC COLORANTS INSOLUBLES IN THE WATER : en es
  • ES150223A1 - IMPROVEMENTS IN STRINGS IN WEDGE WITH PREVIOUS CURVED : en es
  • ES150480A1 - A PROCEDURE FOR THE FEEDING OF EXPLOSION ENGINES : en es
  • DE721372C - Self-seller with several wares : de en
  • FR872159A - Mobile wood gasifier : en fr
  • DE721435C - Electrostatic precipitator with non-spraying static zone : de en
  • US2285053A - Method of cementing aluminum to cellulosic material : en
  • US2284895A - Treatment of textiles to impart water-repellence : en
  • ES150533A1 - A GAS GENERATOR APPARATUS, OF DIMENSIONS, VARIABLE FORM AND INSTALLATION, APPLICABLE TO ALL KINDS OF ENGINES, WHICH SERVE TO MAKE THEM OPERATE ONLY WITH SOLID FUELS OR WITH SOLID AND LIQUID FUELS AT THE SAME TIME, IF YOU WANT : en es
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  • CA405174A - Coupling for flexible pipes and hoses : en fr
  • US2284918A - Control for refrigerating systems : en
  • US2284875A - Bottle cooling unit : en
  • US2284630A - Composite optical carrier : en
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  • ES150045A1 - IMPROVEMENTS IN OR RELATIVE TO ADHESIVE COMPOSITIONS : en es
  • US2284680A - Synchronous simplex telegraph system : en
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  • ES149903A1 - AN ESPOLETA APPLICABLE TO ALL KINDS OF HYDROSTATIC PUMPS : en es
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  • US2284855A - Amplifier circuits : en
  • DE721334C - Fuse for the drive of mechanically operated grate furnaces : de en
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  • ES150680A1 - PROCEDURE FOR THE MANUFACTURE OF A MEDIUM WITH FRENCH FOOT AND FRENCH HEEL IN THE COTTON RECTIFIED MACHINE : en es
  • US2285099A - Water main lock : en
  • GB545533A - Improvements in or relating to shoe bottom pressing machines : en
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  • ES150169A1 - SYNCHRONIZING DEVICE FOR DENTATED COUPLINGS, ESPECIALLY IN GEAR GEAR CHANGE BOXES : en es
  • ES150182A1 - PROVISION TO REGULATE AN ELECTRIC WORK MOTOR : en es
  • ES150222A1 - DEVICE FOR IMMOBILIZING A MOBILE ORGAN IN DEFAULT AND ADJUSTABLE POSITIONS : en es
  • ES150378A1 - A GASOGEN OF PRODUCTION CARBIDE GRADUABLE BY THE ACCELERATOR, ADAPTABLE TO ALL KINDS OF AUTOMOTIVE VEHICLES : en es
  • FR872365A - Improvements to couplings of light metal cranks and bottom brackets in bicycles, tandems or the like : en fr
  • DE721494C - Rotary kiln with cooling tubes : de en
  • ES149930A1 - A PROCEDURE FOR THE PREPARATION OF AROMATIC COMBINATIONS OF ARSENIC AND ANTIMONY : en es
  • ES150190A1 - A PROCEDURE TO REGENERATE AN ABSORBENT LIQUID COMPOSED OF BASIC ALUMINUM SULPHATE, TO OBTAIN SULFURIC BIOLOGIST : en es
  • ES150380A3 - PROCEDURE FOR OBTAINING BISULFIDES : en es
  • FR872293A - Independent suspension of the front steering wheels of road vehicles : en fr
  • DE721447C - Arrangement for suppressing vibrations caused by two or more drive shafts : de en
  • GB545531A - Improvements in or relating to sound reducing devices for suction cleaners : en
  • GB545605A - Speed governor for electric motors : en
  • ES149964A1 - IMPROVEMENT IN WOOD CARDING : en es
  • ES149922A1 - A MANEUVER DEVICE FOR PROPELLERS, ESPECIALLY FOR AIRCRAFT PROPELLERS, WHOSE FINS ARE DISPLACED BY A HYDRAULICALLY OPERATED MECHANISM : en es
  • FR872349A - Improvements to accumulator electric vehicles : en fr
  • US2285375A - Ribbed roll for slashing machines and other textile machines : en
  • ES149557A1 - A PROCEDURE FOR THE OBTAINING OF POLYMERIZATION PRODUCTS : en es
  • ES150015A1 - COMPENSATION MECHANISM FOR AUTOMOTIVE VEHICLES : en es
  • US2284923A - Reinforced concrete building construction : en
  • US2285164A - Radio frequency amplifier : en
  • US2285303A - Reciprocating pump : en
  • US2284686A - Collapsible tent frame : en
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  • DE721352C - Motor vehicle roof : de en
  • ES149760A1 - SPINDLE SCREW FOR LANZADERAS : en es
  • ES150347A1 - A VARIABLE SURFACE PARACHUTE : en es
  • GB545592A - Improvements in or relating to gaseous electric discharge lamps : en
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  • GB545640A - Improvements in and connected with cranes : en
  • US2284662A - Process for the production of krypton and xenon : en
  • GB545603A - Improvements in colour television apparatus : en
  • GB545614A - Improvements in and relating to cramps : en
  • ES150534A3 - IMPROVEMENTS IN GAS GENERATORS : en es
  • GB545645A - Improvements in or relating to overrun protective gear, applicable to winding drums : en
  • FR872289A - Clamping device for dentists' handpiece : en fr
  • GB545552A - Improvements in or relating to centralized lubricating installations : en
  • CA405088A - Metal powder spraying apparatus : en fr
  • US2285183A - Method of drying ink : en
  • DE721454C - Process for the separation of unsaponifiable components from their mixtures or compounds with saponifiable components : de en
  • ES150232A3 - GENERATOR DEVICE TO PRODUCE POOR GAS FROM MINERAL, VEGETABLE COAL, WOOD, SAW AND THE LIKE FOR USE IN ALL KINDS OF EXPLOSION ENGINES, SUBSTITUTING GASOLINE AND OTHER LIQUID FUELS : en es
  • ES149574A1 - PROCEDURE FOR THE MANUFACTURE OF A SYNTHETIC SOAP BASED ON SERRIN OF ALL KINDS OF WOODS OR CORK : en es
  • ES150136A1 - PROCEDURE FOR THE MANUFACTURE OF FOOD FAT : en es
  • US2284927A - Unitary structural system : en
  • US2284960A - Match book : en
  • US2284979A - Rack for neckwear : en
  • US2285127A - Gas heated toaster : en
  • ES149200A1 - IMPROVEMENTS IN THE METHODS FOR THE PREPARATION AND CONSERVATION OF ANIMAL TRIES : en es
  • FR872386A - Air balancer for artillery pieces : en fr
  • ES149548A1 - IMPROVEMENTS RELATED TO QUICK ENGINES OF INTERNAL COMBUSTION, WORKING IN A TWO-STROKE CYCLE AND WITH COMPRESSION STARTING : en es
  • ES150040A1 - A PROCEDURE FOR THE PRODUCTION OF BUTANDIENE FROM BUTANE OR GAS CONTAINING BUTANE : en es
  • ES150291A3 - IMPROVEMENTS MADE IN PEDALLESS PORTABLE LOOMS : en es
  • US2284748A - Handle for cooking utensil lids : en
  • ES150503A3 - A PROCEDURE TO MAKE RESISTANT TO CHEMICAL ATTACKS AND THE INFLUENCES OF WEATHER, SHEETS, STRIPS, WIRE AND THE LIKE OF IMPURE ALUMINUM OR ALUMINUM ALLOYS : en es
  • GB545535A - Improvements in and relating to thermionic amplifiers and load devices therefor : en
  • ES149705A1 - A PROCEDURE FOR FERTILIZATION OF HYGROQUIMIOTROPISTIC PLANTS BASED ON AMMONIACAL ANTELINES : en es
  • ES149803A1 - A LUMINESCENT ELECTRIC SHIELD APPARATUS IN GASES OR VAPORS : en es
  • ES150413A1 - A PROCEDURE FOR THE FIXING OF TERMINAL THREADS IN ELECTRICAL CONDENSERS : en es
  • US2285196A - Brake : en
  • ES149527A1 - A PROCEDURE FOR THE CONVERSION OF HYDROCARBONS : en es
  • GB545651A - Improvements relating to governor mechanism for fluid pressure operated rotary motors : en
  • US2285328A - Antilockout time lock : en
  • ES150704A1 - PROCEDURE FOR THE MANUFACTURE OF A CATALYTIC AND AMENDMENT FERTILIZER : en es
  • FI19087A - Reel winch : en fi
  • FR872378A - Improvements made to the carbonization of carbonaceous materials : en fr
  • US2284896A - Process for making polymeric products and for modifying polymeric products : en
  • US2285036A - Furnace : en
  • US2285166A - Tension gauge : en
  • US2285207A - Railway car : en
  • US2284971A - Pneumatic valve : en
  • US2284733A - Electron discharge device : en
  • ES150758A1 - PROCEDURE TO PREVENT THE CHANGE OR THE SUPPLY OF LEAVES IN CARDS, CARDS OR SIMILAR : en es
  • GB545557A - Improvements in or relating to the evaporation of sugar and like solutions : en
  • ES150869A1 - RAKE MECHANISM, ADAPTABLE TO AGRICULTURAL TRACTORS : en es
  • FR872380A - Method for producing color photographic images : en fr
  • GB545522A - Improvements in and relating to cast or moulded machine and like parts having wear-resisting qualities : en
  • ES149566A1 - ELECTRICAL SYSTEM FOR LOCATION OF MINES FIELD WITH IMMERSION AND REPLACEMENT DEVICE : en es
  • ES150010A1 - INJECTION NOZZLE FOR COMBUSTION ENGINES : en es
  • ES150126A1 - PROCEDURE FOR OBTAINING GREEN CROMIFICATION COLORS : en es
  • ES150992A2 - A PROCEDURE FOR THE CASTING OF METAL BLOCKS : en es
  • FR872277A - Device for flattening the welded longitudinal edges of the casings of metal cans, which are spaced from the body, on the periphery of the casing : en fr
  • FR872242A - Vault for industrial furnaces : en fr
  • GB545551A - Manufacture of electrical insulating materials : en
  • DE721288C - Tail light, especially for bicycles : de en
  • FR872254A - AC current interruption system : en fr
  • DE721332C - Process for the production of Kuepen dyes : de en
  • US2285002A - Lighting fixture : en
  • DE721475C - Toy train with overtaking vehicles : de en
  • US2285227A - Closure for containers : en
  • ES150635A1 - AN APPARATUS FOR THE DISINSECTATION OF FOOD PRODUCTS : en es
  • US2285231A - Automatic electric toaster : en
  • ES150293A1 - SOME IMPROVEMENTS IN THE CONSTRUCTION OF THE REGULATION, PRESSURE AND OXYGEN SPENDING DEVICES USED IN THE AUTONOMOUS WELDING : en es
  • GB545544A - Improvements in the manufacture of sealed vitreous vessels : en
  • ES149351A1 - A PROCEDURE FOR THE PRODUCTION OF GASOLINE FOR ENGINE AND AVIATION : en es
  • ES150551A1 - A PROCEDURE FOR THE AUTOMATIC REGULATION OF THE TEMPERATURE IN ELECTRIC OVENS FOR THE FUSION OF GLASS, CRYSTAL OR OTHER COMPOUNDS : en es
  • ES150874A1 - PROCEDURE FOR THE MANUFACTURE AND USE OF CATALYSTS FOR THE EXECUTION OF CHEMICAL REACTIONS WITH THE INTERVENTION OF CARBON OXIDES : en es
  • ES149591A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 140,591 : en es
  • ES150474A1 - IMPROVEMENTS IN THE REFRIGERATION SYSTEM OF NOZZLES FOR AIR INJECTION IN THE GASOGENS : en es
  • ES150531A1 - A TRASH CART : en es
  • USD132634S - Design foe a lapel pin ok, similar article : en
  • DE721325C - Modulation circuit : de en
  • ES149772A1 - IMPROVEMENTS INTRODUCED IN METALLIC ROLLER BLINDS : en es
  • ES149955A1 - A MECHANISM TO OPERATE THE AUTOMOBILE WIPER WIPER : en es
  • FR872247A - Wood impregnation process : en fr
  • US2284817A - Measuring and control apparatus : en
  • US2285037A - Method of and apparatus for heating fluids : en
  • ES150032A1 - NEW SECURITY LOCK : en es
  • ES149717A3 - IMPROVEMENTS IN THE DEVICES FOR THE CONTROL OF THE ENGINES, PARTICULARLY OF THE TRACTION ENGINES : en es
  • US2284654A - Distance and depth measuring system : en
  • DE721495C - Hydraulic explosive pump with plunger and return spring arranged in it : de en
  • FR872203A - Further training in gasifiers for cars, trucks, tractors : en fr
  • US2284682A - Bottle holder : en
  • US2285077A - Vulcanization accelerator : en
  • US2285182A - Electric motor control system : en
  • USD132589S - Similar article : en
  • DE721442C - Device for releasing locked axles on rail vehicles : de en
  • ES150440A3 - IMPROVEMENTS IN THE MANUFACTURE OF POROUS RUBBER : en es
  • ES149537A3 - AN ASH EXTRACTING DEVICE : en es
  • US2284986A - Truss : en
  • US2285149A - Ice-cooling muddler, method of making : en
  • US2284720A - Food dispensing device : en
  • AU115208B2 - Protective circuit arrangements for push-pull connected thermionic valves : en
  • US2285323A - Automatic valve : en
  • US2285379A - Assembled sheets for the display of printed surfaces : en
  • DK59840C - Electrical alarm systems, especially fire alarm systems. : da en
  • ES150943A1 - IMPROVEMENTS IN THE PRODUCTION OF RECORDS OF PHOTOGRAPHIC SILHOUETTES : en es
  • CA405177A - Selective amplifier : en fr
  • CA405179A - Bag making apparatus : en fr
  • ES150886A1 - COLD STARTING GASOGEN FOR VEGETABLE CARBON COMBUSTION OR OTHER FUEL : en es
  • GB545639A - Improvements in or relating to combined electric switch and socket units : en
  • US2285276A - Shale oil distillation : en
  • DE721141C - Process for tanning chrome leather : de en
  • DE721440C - Cooker for absorption chillers : de en
  • DE721297C - Method of making wort : de en
  • ES150639A3 - AN IMPROVEMENT IN THE MANUFACTURE OF ELECTRIC LAMPS : en es
  • US2284963A - Vehicle direction indicator : en
  • US2285246A - Electrical control apparatus : en
  • USD132609S - Design for a doorknob : en
  • DK59831C - Procedure for Manufacturing Bath Gloves. : da en
  • ES150466A1 - ROTARY MIXER FOR THE MANUFACTURE OF LIGHT AGGLOMERATES FOR BUILDINGS : en es
  • CA405091A - Laminated paper and cardboard : en fr
  • ES150057A1 - A DEVICE FOR PRESSING IN ROW CONICAL PROFILE IN LENGTH OF SENSE : en es
  • FR872190A - Electron multiplier : en fr
  • GB545607A - Improvements in or relating to sparking plugs for internal combustion engines : en
  • US2284784A - Visor : en
  • ES149518A1 - AN AUTOMATIC ELECTROLYMATOR APPARATUS : en es
  • ES149687A1 - IMPROVEMENTS IN COMPRESSORS FOR REFRIGERATING EQUIPMENT : en es
  • US2284791A - Absorption refrigerating apparatus : en
  • US2285239A - Slip : en
  • DE721335C - Chimney slide : de en
  • ES149468A3 - A NEW PROCEDURE TO OBTAIN FLAT GLASS INTENDED FOR ARTISTIC GLASSWARE, ADVERTISING AND AUTOMOBILE HEADLIGHTS : en es
  • ES150485A1 - A PROCEDURE TO AVOID THE DIFFERENCE IN THE HEADLIGHTS OF THE AUTOMOBILE VEHICLES : en es
  • ES149640A1 - MANUFACTURING PROCEDURE FOR A NEW REDUCED THICK CERAMIC BRICK : en es
  • ES150938A1 - ARRANGEMENT TO MOVE THE AUXILIARY RUDDER IN RELATION TO THE MAIN RUDDER FOR AIRCRAFT : en es
  • FR872131A - Small thermal, electromagnetic and free tripping circuit breakers : en fr
  • US2285040A - Circuit breaker : en
  • US2285278A - Utensil support for gas ranges : en
  • ES149401A1 - DEVICE FOR THE DEPARTURE GOVERNMENT OF AUTOMOBILE TORPEDOS DEPENDING ON THE DEPTH OF ITS IMMERSION AND ITS LONGITUDINAL POSITION : en es
  • ES150300A1 - IMPROVEMENT IN HOUSEHOLD COFFEE MAKERS : en es
  • ES150656A1 - PNEUMATIC PUMP ELEVATOR OF LIQUIDS LOCATED AT ANY DEPTH OR HEIGHT COMBINING ATMOSPHERIC DEPRESSION : en es
  • FR872240A - Device for operating the compressed air brake of an uncoupled trailer : en fr
  • GB545622A - Improvements in or relating to the construction of boots and shoes : en
  • US2284663A - Packing pad : en
  • USD132650S - Zahn dress ensemble : en
  • ES149499A1 - A PROCEDURE FOR MANUFACTURING A PHARMACEUTICAL PRODUCT : en es
  • GB545573A - Improvements relating to the cooling systems of internal combustion engines : en
  • ES150958A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF CARBON AGGLOMERATES : en es
  • ES150966A1 - PROCEDURE FOR THE OBTAINING OF DERIVATIVES OF SULFONAMIDAS : en es
  • DE721490C - Vibration, force or strain gauges : de en
  • ES150358A1 - A DEVICE FOR THE DIRECT PRODUCTION OF FLAT AND WAVED FIBROUS CEMENT PLATES : en es
  • ES150371A3 - A PROCEDURE FOR THE MANUFACTURE OF CELLULOSE FROM SARMIENTS : en es
  • ES150800A1 - STARTER STARTER ROTARY TRIANGLE : en es
  • ES150870A1 - IMPROVEMENTS IN TISSUE FILTERS : en es
  • FR872391A - Air conditioning distribution outlet with water vesicles in suspension : en fr
  • DE721233C - Method for amplifying modulated high frequency waves : de en
  • ES149914A3 - IMPROVEMENTS IN THE MANUFACTURING PROCEDURE OF STAPLES FOR BELTS : en es
  • US2285090A - Spring tester : en
  • US2284886A - Cash register and the like : en
  • US2284700A - Soya bean product : en
  • US2284803A - Listing adding machine : en
  • US2284889A - Method of destroying algae in cooling towers : en
  • US2284913A - Drying process : en
  • US2285021A - Tufting attachment : en
  • US2284839A - Cellulose spinning solution and filament produced therefrom : en
  • ES150143A1 - METHODS OF CONSTRUCTION OF NUCLEI FOR INDUCTION APPLIANCES : en es
  • ES150594A3 - A PROCEDURE FOR OBTAINING FENO AND AMINOPLASTIC CONDENSATION PRODUCTS : en es
  • US2285045A - Bulb carrying compartment for handles of electric lanterns : en
  • AU77841A - Food package : en
  • ES149795A1 - A PLUNGER FOR EXPLOSION ENGINES : en es
  • ES149965A1 - IMPROVEMENTS IN THE EMBROIDERING CARD : en es
  • ES150443A1 - AN AUTOMATIC PRODUCER OF ACETYLENE FOR INDUSTRIAL USES, APPLICABLE ESPECIALLY TO AUTOMOTIVE ENGINES : en es
  • ES149771A2 - PROCEDURE FOR THE PRODUCTION OF INALTERABLE DYES : en es
  • GB545631A - Improvements in cash registers and the like : en
  • GB545650A - Improvements relating to centrifugal sand blasting machines : en
  • US2285175A - Lamp socket : en
  • ES150171A1 - PROCEDURE FOR OBTAINING A COMPOSITION FOR COLORING, PRINTING, DECORATION AND MARKING OF FABRICS AND OTHER MATERIALS : en es
  • ES149688A3 - IMPROVEMENTS IN THE CONSTRUCTION OF FURNACES, BOILERS AND THE LIKE : en es
  • DE721402C - Around an axis parallel to the workpiece axis, folding stick for machine tools : de en
  • FR872399A - Device for mixing liquids : en fr
  • US2284647A - Fruit feeding apparatus : en
  • US2284750A - Delinting waste puller : en
  • US2284876A - Protective system for series capacitors : en
  • ES150096A1 - A PROCEDURE FOR THE AERODYNAMIC BRAKING OF AIRCRAFT DURING FLIGHT : en es
  • ES150432A1 - BANK SCREWS OF PROFILED IRON, SUCH AS ANGLE IRON, PLUGS OR ANALOGS : en es
  • ES149559A1 - A CONTROL DEVICE FOR THE AUTOMATIC PLACEMENT OF THE LEAF ON THE CYLINDER OF A WRITING MACHINE : en es
  • FR872168A - Hydraulic remote control : en fr
  • FR872261A - Hydraulic shock absorber, especially for motorcycle spring forks : en fr
  • GB545587A - Improvements in and relating to apparatus applicable to screw propellors for obtaining maximum efficiency under all conditions : en
  • ES150276A3 - A PROCEDURE FOR THE PRODUCTION OF HORCHATA POWDER : en es
  • ES142047A3 - Chocolate noodle manufacturing procedure. : en es
  • ES149466A3 - A PROCEDURE FOR OBTAINING ORGANIC LEAD COMPOUNDS : en es
  • ES150895A1 - LONGITUDINAL SUPPORT FOR PUMPS OR SIMILAR CEMENT AND ANALOGUE MATERIALS INTENDED FOR PRACTICAL EXERCISES : en es
  • ES150915A1 - PROCEDURE TO RAISE THE RESISTANCE TO THE CORROSION OF WORKING STONES MADE OF LIGHT METALS OR THEIR ALLOYS, BY ANODIC FLUORATION : en es
  • ES149418A1 - NEW PROCEDURE TO OBTAIN CELULOID PLATES : en es
  • ES149724A3 - IMPROVEMENTS TO IMPROVE THE FLAMMABILITY OF DETONATORS CHARGED WITH LEAD NITRIDE : en es
  • US2284929A - Method of making die spotting devices : en
  • US2284995A - Floor furnace valve : en
  • DE721283C - Device for cooling aircraft internal combustion engines using cooled exhaust gases : de en
  • ES149977A1 - IMPROVEMENTS IN GAS RECOVERY MECHANISMS IN FASTENERS AND SIMILAR MACHINES : en es
  • ES150974A1 - FUMIGEN DEVICES INTENDED PARTICULARLY TO THE PRODUCTION OF CLOUDS OF ARTIFICIAL FUMES : en es
  • ES148168A1 - MOLDING ADJUSTMENT FOLDING SYSTEM : en es
  • ES149622A1 - PROCEDURE OF MACERATION OF THE PALM AND TRANSFORMATION OF ITS FILAMNETOS IN FINE HEBRAS OF UTILITY IN THE TEXTILE INDUSTRY : en es
  • ES150030A1 - AN APPARATUS INTENDED TO INFLUENCE RADIO RECEPTORS SITUATED AT LITTLE DISTANCE AND IN A COMPLETELY INDIRECT WAY : en es
  • ES150748A1 - A PROCEDURE FOR THE MANUFACTURE OF METAL OBJECT OF CONCRETIONED OR HARD ALLOY CONCRETIONED : en es
  • FR872249A - Straight-line hosiery loom with step-down device to hold the heel parts of the stockings : en fr
  • FR872338A - Process for regenerating soot and resulting products : en fr
  • US2285194A - Electric testing device for contacts : en
  • US2284657A - Dynamoelectric machine : en
  • US2285070A - Rewind mechanism : en
  • US2284757A - Parallax-free view finder with auxiliary lens turret : en
  • US2285068A - Vending machine : en
  • ES150269A1 - IMPROVEMENTS IN THE CALCULATION PROCEDURES OF DOLOMITES, MAGNESITES, LIMESTONES, MARGINS, AND THOSE OTHER SIMILAR MINERALS : en es
  • ES150141A1 - IMPROVEMENTS IN WORKS OF MASONRY MADE OF STONES OPENED BY THE SURFACE OF THE BASE, HOLLOWS, ASSEMBLED WITH MUTUAL DISPLACEMENT : en es
  • ES149333A1 - DEVICE FOR A BETTER USE OF THE ENERGY OF THE GASES OF EXHAUST OF THE AVIATION ENGINES : en es
  • ES150385A3 - A DEVICE TO ACTIVATE A WORKING BODY IN ACCORDANCE WITH THE MOVEMENT OF A DISTRIBUTION BODY : en es
  • ES150625A1 - A NEW PROCEDURE TO OBTAIN A SOAP SUBSTITUTE : en es
  • US2285347A - Screen apparatus : en
  • DE721393C - Device for determining and displaying the respective fuel consumption per unit distance of vehicles with carburettor engines : de en
  • ES150611A1 - IMPROVEMENTS IN THE PROCUREMENT OF PASTES, STARTING FROM POLYMERIZED VINYL CHLORIDE AND GELATINIZED FILMS PREPARED WITH THOSE PASTES : en es
  • ES150669A1 - A PHONOGRAPHIC PLAYER : en es
  • ES149908A1 - PROCEDURE FOR THE OBTAINING OF POLYCHLOROMETANS : en es
  • ES150463A3 - A MIXED DEVICE OF AIR AND FUEL GASES ARRANGED UNDER PRESSURE FOR SUPPLYING EXPLOSION ENGINES : en es
  • ES149900A3 - PROCEDURE FOR THE MANUFACTURE OF WOODEN TILES AND SIMILAR MATERIALS : en es
  • US2285310A - Brake : en
  • US2285295A - Material working apparatus : en
  • DE721135C - Arrangement for stabilizing an inverter : de en
  • DE721342C - Two-wheel chopping and hauling device for uneven number of rows with full embankment processing : de en
  • DE721311C - Protective covering of pipelines laid in the ground : de en
  • ES148393A1 - IMPROVEMENTS IN THE PARACHUTE : en es
  • ES149547A1 - PROCEDURE FOR THE OBTAINING OF A SLIP WITH FLAT FLOORED FLOOR : en es
  • ES150650A1 - TUBULAR THERMAL CHANGER : en es
  • ES150706A1 - A CARTRIDGER SHREDDING MACHINE : en es
  • FR872260A - Process for the production of a uniform flat fibrous article with parallel individual fibers by means of endless ribbons of synthetic fibers : en fr
  • US2284683A - Remote control system : en
  • ES150336A1 - A GAS OR AIR SPRINKLER-FILTER : en es
  • ES150562A1 - AN OIL PRESSURE COUPLING : en es
  • ES150909A1 - A GASOGEN OF FUEL AND DIRECT GASIFICATION : en es
  • ES150211A1 - A DEVICE FOR THE RAPID FREEZING OF VIANDAS : en es
  • FR872334A - Stamped sheet metal bicycle : en fr
  • ES149243A1 - AN ELECTRICAL DISCHARGE DEVICE : en es
  • ES149778A1 - A NEW APPARATUS FOR GRINDING VALVES OF EXPLOSION ENGINES AND OTHER MECHANISMS THAT ARE PROVIDED WITH VALVES THAT NEED A PERFECT AND HERMETIC ADJUSTMENT OF THESE AND THEIR SEATS : en es
  • ES150532A1 - IMPROVEMENTS IN THE APPLIANCES TO AVOID FRAUD OF ELECTRICAL ENERGY : en es
  • FR872309A - Method for transmitting electrical signals : en fr
  • ES149636A1 - A FUEL INJECTION PUMP : en es
  • ES150930A1 - PROVISION FOR ADJUSTING THE DIRECTION OF THE DRIVE WHEEL ON ONE-WHEEL FREE LANDING GEARS : en es
  • ES149342A1 - ELECTROCHEMICAL APPARATUS TO RAISE THE TEMPERATURE OF LIQUIDS : en es
  • ES149934A1 - IMPROVEMENTS IN THE MANUFACTURE OF ILLUMINATED SAMPLES : en es
  • ES149341A1 - PROVISION TO KEEP THE GRID POLARIZATION CONSTANT IN THE AMPLIFIER LAMPS BELONGING TO CIRCUITS POWER AMPLIFIERS : en es
  • ES149394A1 - A PROCEDURE FOR THE PRODUCTION OF A COMPOUND MATERIAL, APPROPRIATE FOR USE AS A SUBSTITUTE FOR LEATHER : en es
  • ES150181A1 - A CASH REGISTER : en es
  • ES150279A3 - A PROCEDURE FOR THE MANUFACTURE OF A PRODUCT TO ENSURE THE ADHERENCE OF THE BELTS TO THE PULLEYS : en es
  • ES149553A1 - A PROCEDURE FOR WORKING STEELS AND OTHER METALS : en es
  • FR872227A - Method and device for the rapid freezing of foodstuffs : en fr
  • ES150418A1 - METHOD AND APPARATUS TO RESCUE THE VALUABLE CONSTITUENTS OF AURANCIÁCEAS FRUITS : en es
  • FR872376A - Dual purpose frame passenger car trailer : en fr
  • US2285322A - Electrical discharge apparatus for spectographic analysis and the like : en
  • US2285271A - Broiler : en
  • US2285119A - Air-cooled motor : en
  • ES149608A3 - IMPROVEMENTS IN CASH REGISTERS OF ECONOMIC TYPE : en es
  • ES150477A3 - PROCEDURE FOR THE PREPARATION OF A MILK-BASED NUTRITIONAL PRODUCT : en es
  • ES150620A1 - INSTALLATION FOR THE MANUFACTURE OF ESMERIL WATER INALTERABLE TO WATER, DEPARTING FROM CURRENT CRAFT PAPER AND ESMERIL OR CARBORUNDUM POWDER : en es
  • FR872267A - Forced circulation steam generator formed from coil tubes : en fr
  • US2285311A - Accounting machine : en
  • ES148293A1 - AUTOMATIC MACHINE FOR THE APPLICATION OF WELDING ON METAL BOXES OR OTHER OBJECTS : en es
  • ES149826A1 - ELECTRICAL CURRENT SWITCH DEVICE : en es
  • ES149837A1 - IMPROVEMENTS IN THE MANUFACTURE OF APPLIANCES BATTERIES FOR LIQUIDS : en es
  • FR872278A - Mixing apparatus for supplying combustion engines by means of a combustible gas such as lighting gas : en fr
  • ES150189A1 - A PROCEDURE TO AVOID THE FALL OF LIQUIDS BY CONSUMING THEM AND ALSO THEIR SPILLS ON THE SURFACES IN WHICH THE CONTAINERS ARE AVAILABLE : en es
  • ES149350A1 - FERRARIS COUNTER FOR ALTERNATE CURRENT : en es
  • GB545586A - Frequency-modulated carrier-translating systems : en
  • US2285225A - Flat tube condenser : en
  • US2284674A - Heating system : en
  • US2284858A - Process for the manufacture of nonmetallic resistance material : en
  • US2285158A - Brush bristling machine : en
  • DE721307C - Multiplication machine with automatic product formation under supervision by the multiplier : de en
  • DE721316C - Two-part press head for cable presses : de en
  • ES149562A3 - NEW POLISHING MACHINE SYSTEM : en es
  • ES149598A1 - PRESSURE AIR BRAKE ADJUSTMENT BOX : en es
  • DE721341C - Cigar cutter : de en
  • DE721485C - Switching device for stepwise switching on and off for electric motors, in particular for controlling electric vehicles : de en
  • DE721348C - Device to facilitate the stapling and stapling of upholstery and upholstered mattresses : de en
  • GB545556A - Improvements in or relating to seals or cup-washers for fluid pressure systems : en
  • DK59825C - Radio receiver with delayed, automatic Volume control. : da en
  • DE721314C - Engraving or copy milling machine working in three directions : de en
  • DE721343C - Process for protecting keratin- or fibroin-containing animal fiber materials against animal pests : de en
  • ES149353A3 - MACHINE FOR CLOSING TUBES OF TIN OR OTHER METALS : en es
  • ES150947A1 - A BALANCING EQUIPMENT : en es
  • ES149768A1 - IMPROVEMENTS IN ARTIFICIAL COALED BODIES ISOLATED MOUNTINGS : en es
  • ES150642A1 - A PROVISION FOR THE REINFORCEMENT OF SHORT WAVES : en es
  • US2284951A - Hinge : en
  • ES150960A3 - PROCEDURE, WITH ITS CORRESPONDING DEVICE, FOR THE MANUFACTURE OF FURFUROL : en es
  • FR872250A - Housing for internal combustion engines with cylinders arranged in series, particularly for motor vehicles : en fr
  • ES147547A1 - PROCEDURE TO OBTAIN FROM THE WASTE RESULTING FROM THE INDUSTRIAL TREATMENT OF FISH AND CANNED FOODS BASED ON FISH, PROTEINIC FOOD EXTRACTS UNDER EVENTUAL RECOVERY AND USE OF FAT, AB : en es
  • ES150329A1 - IMPROVEMENTS IN THE HERRENSCHMIDT APPARATUS FOR THE TISSUE OF MINERALS AND CONDENSATION OF DETACHED GASES : en es
  • ES150606A3 - A PROCEDURE FOR OBTAINING THE RUBBER SUBSTITUTE PRODUCT, KNOWN BY THE GENERIC NAME OF "FAETIS" : en es
  • FR872335A - Device for the command or control of multiple functions shifted in time : en fr
  • ES149969A3 - IMPROVEMENTS IN THE CONSTRUCTION OF CARS-CRADLE AND CAR-SEATS : en es
  • ES149601A1 - MANUFACTURING PROCEDURE OF CHAIN PLATES OR BELT : en es
  • ES150306A1 - IMPROVEMENTS IN THE FUEL ECONOMISERS FOR EXPLOSION ENGINES : en es
  • FR872154A - Fitting for beds and the like : en fr
  • US2284795A - Control mechanism : en
  • US2285083A - Two-way radio garment : en
  • ES150593A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF GASÓGENOS : en es
  • ES150997A1 - AN EXPLOSION ENGINE : en es
  • GB545540A - Improvements in magnetos and other ingition equipment : en
  • ES149982A3 - SOME IMPROVEMENTS IN THE SPEED CHANGES OF THE BICYCLES : en es
  • ES150148A1 - CARBURETOR FOR POOR GAS COUPLED TO THE EXPLOSION ENGINES : en es
  • ES150468A1 - PROCEDURE FOR THE MANUFACTURE OF BLACKBOARDS : en es
  • GB545538A - Improvements in or relating to friction clutches : en
  • US2284792A - Blank handling machine : en
  • US2284974A - Hydraulic braking system : en
  • USD132618S - Russell correspondence case : en
  • US2285111A - Shutoff valve : en
  • ES149763A1 - AUTOMATIC REGULATOR OF THE OPENING OF THE FUEL INTO AN INTERNAL COMBUSTION ENGINE : en es
  • DE721413C - TV receiver with Braunscher tube : de en
  • ES149388A1 - A NEW PROCEDURE TO USE, AS A DRIVING FORCE, THE PRESSURE OF THE AIR, THE CURRENTS OF WATER FROM RIVERS AND CHANNELS AND THE MOVEMENT OF THE SEA IN ITS COASTS AND BEACHES : en es
  • ES149686A3 - A HERMETIC CLOSURE AND DOUBLE ELASTIC ADJUSTMENT PROVISION FOR LUNCH STORES AND OTHER CONTAINERS : en es
  • ES150041A1 - A PROCEDURE FOR THE PRODUCTION OF SYNTHETIC RUBBER THROUGH INTEGRAL USE OF THE PRODUCTS OF THE ACETONO-BUTÍLICA FERMENTATION : en es
  • ES150828A3 - A WOOD FUEL FOR CARS AND TRUCKS : en es
  • US2285029A - Band-spread tuning mechanism : en
  • CA405183A - Fruit treating apparatus : en fr
  • CA405193A - Rubber filling agent : en fr
  • FR872204A - Automatic clasp for leather goods, tarpaulins, blinds and other applications : en fr
  • DE721410C - Production of technically pure alkali phosphates : de en
  • ES149846A3 - PROCEDURE FOR THE IMPREGNATION OF POSTS OR OTHER WOOD PIECES IN AN ELONGATED SHAPE : en es
  • ES150999A1 - MULTIPLICABLE WIND TURBINE : en es
  • ES150989A3 - A TWO-BARRED SHOTGUN ON CENTRAL FIRE : en es
  • US2285176A - Card holder : en
  • FR872178A - Improvements to devices such as pulleys : en fr
  • FR872274A - Non-return valve, especially for the suction line of a pump : en fr
  • ES149952A3 - IMPROVEMENTS IN OR RELATING TO METHODS OF ELECTRICAL PURIFICATION OF GASES CONTAINING ELEMENTARY SULFUR : en es
  • ES150653A1 - CENTRIFUGAL PUMP : en es
  • FR872332A - Improvements to gasifiers more particularly used on motor vehicles : en fr
  • ES149893A3 - A PROCEDURE FOR INDUSTRIALLY CLEANING CLAY, COALS, INDUSTRIAL SOILS AND SANDS, MISCELLANEOUS EARTH AND ANY MINERAL IMPURIFIED MINERAL OR VEGETALLY, CARRYING OUT THE CLEANING BY MEANS OF ELECTRO-OSMOTIC OR OSMOTIC MACHINE : en es
  • ES150683A1 - A GASOGEN : en es
  • US2285209A - Connecting strip ends in making tube : en
  • GB545621A - An improved belt shifting and safety appliance for carding engines and other machines : en
  • FR872336A - Improvement in oil substitutes, vinaigrette, etc. : en fr
  • FR872308A - Transformer oscillator for braun tubes, especially for television : en fr
  • ES149497A1 - AUTOMATIC MACHINE FOR MANUFACTURING METALLIC STAPLES : en es
  • ES150773A1 - A HYDRAULIC BREAD CRYSTAL : en es
  • ES150248A3 - A PROCEDURE FOR TREATING HOUSEHOLD AND URBAN WASTE AND OTHER SIMILAR WASTE MATERIALS : en es
  • DE721349C - Support housing for breathing apparatus : de en
  • ES149956A3 - AN IMPROVEMENT IN THE MANUFACTURE OF METAL TUBULAR SECTION RIMS FOR BICYCLE AND MOTORCYCLE WHEELS : en es
  • FR872182A - Gyroscopic apparatus : en fr
  • ES149405A1 - APPARATUS FOR MULTIPLICATION OF IMAGES : en es
  • ES149702A1 - IMPROVEMENTS IN THE MANUFACTURE OF PAPER SACKS : en es
  • ES149941A1 - DRY SHAVE WITH ELECTRIC MOTOR : en es
  • USD132643S - Stricker convertible trouser-skirt : en
  • DE721322C - Transportable turntable for light rail locomotives : de en
  • FR872170A - Sampling device for alcohol meter : en fr
  • GB545576A - Improvements in and relating to apparatus for cutting cloth : en
  • FR872256A - High quality Thomas steel fabrication process : en fr
  • US2285091A - Goniometer : en
  • US2285112A - Adjustable chair : en
  • USD132641S - Design for a pencil : en
  • ES150541A1 - A DEPRESSION STABILIZER AND GASOLINE ECONOMIZER IN INTERNAL COMBUSTION ENGINES : en es
  • US2285226A - Fluid flow control : en
  • ES150441A1 - A PROCEDURE TO MANUFACTURE A STARCH STARCH : en es
  • GB545562A - Improvements in duplicating machines : en
  • GB545624A - Improvements in centrifugal dust separators : en
  • USRE22106E - Punch press for forming sheet : en
  • ES150005A3 - A SPECIAL DRYER : en es
  • ES149616A1 - PULSE DEVICE FOR GUIDE-WIRE BARS IN RECTIFIED COLLECTION MACHINES : en es
  • ES149840A3 - VIBRATORY SHAFT TO TRANSMIT LARGE ROTATION SPEEDS TO ECCENTRIC MACHINES RELATED TO THE SAME : en es
  • ES149603A1 - A FRUIT BONING MACHINE WITH THE CORRESPONDING METHOD : en es
  • ES150675A3 - A BAND SAW MACHINE TO CUT ALL KINDS OF DIES AND METALS IN GENERAL IN SPECIAL SHAPES : en es
  • ES149951A1 - PROCEDURE FOR OBTAINING ARSENIC TRI AND PENTAVALENT COMPOUNDS : en es
  • DE721406C - Photographic or cinematographic camera with an automatically controlled lens aperture : de en
  • ES150481A1 - A SYSTEM OF FOOD, DISTRIBUTION, MIXING AND COMPRESSION OF GASES APPLICABLE TO EXPLOSION ENGINES : en es
  • US2285122A - Medium for producing images : en
  • US2285268A - Automatic telegraph transmitter : en
  • ES150569A3 - PROCEDURE FOR OBTAINING MERCAPTOBENZOTHIAZOLE : en es
  • GB545656A - Improvements in or relating to books, memorandum pads, or the like for use with telephone instruments : en
  • ES149904A1 - OPERATING PROCEDURE FOR CURRENT ENGINES WITH HEAVY OIL OR GAS OIL : en es
  • FR872184A - Storm lantern for vehicles : en fr
  • US2284736A - Deflector fob hot water shower : en
  • US2285297A - Press mechanism for forming screwthreaded plastic articles : en
  • DE721081C - Mercury cathode converter tubes : de en
  • DE721306C - Shelter for platform lifts : de en
  • ES149665A1 - A PERFECTION IN THE MOBILE COIL OF ELECTRODYNAMIC LOUDSPEAKERS : en es
  • ES148079A1 - A MANEUVER EQUIPMENT FOR AUTOMATIC OR ANALOGUE PADS : en es
  • ES149637A1 - PROCEDURE FOR OBTAINING A PRODUCT FOR SANITARY APPLICATIONS : en es
  • ES149755A1 - NEW SOUND PLAYER SYSTEM : en es
  • FR872167A - Self-adjusting oleo-pneumatic shock absorber : en fr
  • DE721386C - Electrical high-performance switch with arc extinguishing by a flowing extinguishing agent : de en
  • DE721415C - Surge arresters : de en
  • ES149392A3 - A GUIDE RAIL FOR SLIDING DOORS : en es
  • ES150817A1 - IMPROVEMENTS IN GASOGENS FOR VEHICLES : en es
  • FR872212A - New azo dyes : en fr
  • FR872364A - Articulated crutch holder with anti-theft device for cycles : en fr
  • FR872395A - Friction clutch pressed by auxiliary force : en fr
  • CA405109A - Hair drying apparatus : en fr
  • ES150000A1 - A NEW PROCEDURE TO MANUFACTURE AGGLOMERATED RUBBER SOLE : en es
  • US2285035A - Gun stand for electric target devices : en
  • AU50641A - A machine for measuring and delivering predetermined quantities of granulated or powdered materials : en
  • ES150257A1 - A MECHANISM FOR THE ELIMINATION OF TASKS IN THE AUTOMATIC BALANCES OF SLIDING WEIGHT : en es
  • ES150597A2 - A PROCEDURE FOR THE MANUFACTURE OF STRAPS OR TIN FOR CANNED PACKAGING, TIN PACKAGING AND THE LIKE : en es
  • ES150604A1 - PROCEDURE FOR THE CONSERVATION OF FRUIT AND OTHER FOOD MATTERS : en es
  • ES150681A1 - A COMPOUND STEAM DISTRIBUTION OF BOX AND CYLINDRICAL VALVE : en es
  • GB545657A - Improvements in and relating to top roller weighting devices in drafting devices forspinning machines : en
  • SE104676C1 - : en
  • US2285306A - Mower attachment for tractors : en
  • DE692050C - Process for the electrodeposition of gold : de en
  • US2284983A - Casing head construction : en
  • AU115188B - Improvements in oscillation generators : en
  • US2284822A - Seasoning materials : en
  • AU360541A - Improvements in or relating to methods of preserving fresh meat products andthe improved meat products resulting therefrom : en
  • ES150592A1 - IMPROVEMENTS IN THE MANUFACTURE OF AIR INTAKE NOZZLES FOR GASOPHENES THAT BURN SOLID FUELS AND ARE INTENDED TO REPLACE THE LIQUID FUELS IN THE AUTOMOBILES AND SIMILAR : en es
  • ES150716A1 - A NEW INDICATOR KNOB FOR RADIO RECEPTOR APPLIANCES : en es
  • FR872359A - Combination suspension with shock absorber for bicycle, tandem, motorcycle and similar vehicles with saddle : en fr
  • ES149779A1 - AN ADVENTING-PLASTER MACHINE : en es
  • ES150486A1 - PROCEDURE FOR THE MANUFACTURE OF A HEAT AND COLD INSULATING MATERIAL : en es
  • AU115201B2 - Improvements in electric storage batteries : en
  • ES149696A1 - COMPRESSION REFRIGERATOR MACHINE POWERED BY AN ELECTROMOTER : en es
  • ES150097A1 - AUTOMATIC OPERATING DRINK DEVICE : en es
  • ES150359A1 - DEVICE OF HYDRAULIC TRANSMISSION IN AUTOMOBILE VEHICLES, REMOVING THE TRANSMISSION BOX : en es
  • ES150976A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 146746 : en es
  • FR872161A - Formwork process for the continuous manufacture of concrete elements of all kinds, and in particular of concrete pipes : en fr
  • GR9880B - INSECTICIDE. : el en
  • ES150179A1 - A SEPARABLE REPEATER FOR SUBMARINE CABLE SYSTEMS : en es
  • ES149786A1 - COUPLING ROD WITH SHOCK ABSORBER EFFECT : en es
  • ES150855A1 - PROCEDURE FOR THE MANUFACTURE OF CARBON CONGLOMERATES : en es
  • FR872222A - Matting process : en fr
  • FR872388A - Frequency multiplier : en fr
  • GB545600A - Improvements in or relating to systems of electric circuit control particularly for illumination control : en
  • US2284729A - Method of casting finned cylinder heads : en
  • US2285361A - Electric reciprocating tool : en
  • CA405089A - Liquid processing : en fr
  • US2285243A - Nuclear alkylation of amino substituted aromatic ethers : en
  • US2284631A - Method and apparatus for sealing containers : en
  • US2284721A - Railway car construction : en
  • US2285317A - Perforated sheet : en
  • USD132638S - Design for a combination desk unit : en
  • US2284774A - Hypodermic syringe : en
  • ES149482A1 - A PROCEDURE FOR THE MANUFACTURE OF INKS TO WRITE CONCENTRATES AND STABILIZED : en es
  • ES150404A3 - AN ARRANGEMENT OF RODS IN ENGINES WITH CYLINDERS ARRANGED IN MORE THAN ONE ROW : en es
  • ES149879A1 - A PROCEDURE FOR THE ELECTROLYTIC SEPARATION OF BRIGHTNESSES OF CINC OVER OTHER METALS, FOR EXAMPLE, IRON : en es
  • ES150415A3 - PROCEDURE AND APPARATUS TO GUIDE AND CUT ENDLESS FIBER SHEETS OF ARTIFICIAL SILK OR CELLULOSE WOOL : en es
  • ES150682A3 - ELECTROMECHANICAL DEVICE TO ACTUATE TOOLS OR TOOLS WITH AIR PRESSURE, ESPECIALLY NEEDLES TO COLLECT MIDDLE POINTS : en es
  • DE707138C - Process for benzene recovery in dephenolization : de en
  • ES149356A1 - PROCEDURE TO RAISE THE POINT OF FUSION OF THE AXGENIA OR GREASE OF PIG AND INCREASE ITS CONSISTENCY OR HARDNESS : en es
  • ES150709A1 - IMPROVEMENTS IN SLIDING CLOSURES : en es
  • US2284752A - Automobile antenna : en
  • AU115185B2 - Improvement in multiple-color television system : en
  • ES149417A1 - PRESS TO EXCÉNTRICA OF ADJUSTABLE COMPRESSION, TO MAKE TABLETS OF PULVERULENT MATERIALS : en es
  • GB545612A - Improvements in and relating to plug and socket members for electrical connections : en
  • US2284636A - Method of and apparatus for cutting gears : en
  • US2284797A - Furnace construction and method of repair : en
  • US2284638A - Metallurgy of ferrous metals : en
  • USD132602S - Stewart doll : en
  • US2285124A - Vacuum churn : en
  • US2285144A - Pinless hair waving device : en
  • US2285277A - Noble metal catalyst and process of preparing same : en
  • ES149502A1 - A PROCEDURE TO OBTAIN DISTILLED WATER WITHOUT HEATING : en es
  • ES150462A1 - A PROCEDURE FOR THE MANUFACTURE OF A PACKAGING : en es
  • DE721302C - Embossing of plastic lines : de en
  • US2285343A - Valve : en
  • USD132657S - Design fob a lace : en
  • US2285373A - Attachment for roller skates : en
  • US2285299A - Purification of caustic : en
  • US2284782A - Antenna : en
  • US2284926A - Terminal for bushing insulators : en
  • US2285378A - Press button tuned radio receiver : en
  • US2284966A - Windshield cleaner : en
  • ES149469A1 - AN ELECTROLYTIC CONDENSER : en es
  • FR872397A - Agricultural machine for various tillage : en fr
  • AU148041A - Improvements in electric storage batteries : en
  • ES150429A1 - A OVEN FOR THE OBTAINING OF ALUMINUM : en es
  • GB545583A - Improvements in permanent magnet structures : en
  • US2285001A - Lighting fixture : en
  • US2285270A - Trimming dispensing device : en
  • US2285365A - Combination ash tray and display holder : en
  • US2285240A - Device for changing the stroke of slurs : en
  • US2285087A - Typewriting machine : en
  • USD132605S - Design for a doorknob : en
  • ES149633A3 - IMPROVEMENTS IN THE PREPARATION OF THE PENTACRITRITE : en es
  • SE104673C1 - : en
  • US2284893A - Electrical measuring instrument : en
  • USD132661S - Design for a toy pistol : en
  • ES149661A1 - MACHINE TO CLEAN OR DEPURATE LONG VEGETABLE FIBERS, SUCH AS THE RETAMA : en es
  • FR872229A - Improvements to couplings between rotating parts, applicable in particular to elastic wheels : en fr
  • ES148532A1 - PROCEDURE AND APPARATUS FOR PROJECTING IN RELIEVE NON STEREOSCOPIC FIXED OR MOBILE IMAGES : en es
  • ES149794A1 - A HYDRAULIC MOTOR FOR ADJUSTMENT OF ADJUSTABLE PROPULSION AIR PROPELLER BLADES : en es
  • ES150679A1 - AN ELECTRICAL LAMP : en es
  • GB545642A - Improvements in or relating to face shields : en
  • CA405128A - Lens mount : en fr
  • ES150632A3 - A PROCEDURE FOR THE MANUFACTURE OF PROTECTIVE INSULATING TUBES FOR ELECTRICITY CONDUCTORS : en es
  • DE721380C - Process for the polymerization of trichlorethylene : de en
  • ES150033A1 - A PROCEDURE FOR OBTAINING SPECIAL AGGLOMERATED CORK PIECES FOR THE CONSTRUCTION OF BOVEDILLAS AND SKIES : en es
  • ES150685A1 - A PROCEDURE TO REMOVE THE SENSITIVITY TO THE TENSION OF THE ALUMINUM-CINC-MAGNESIUM ALLOYS : en es
  • ES149560A1 - A CLAW WITH SEVERAL ARTICULATED ARMS IN THE FORM OF A STAR IN ITS LOWER HEAD : en es
  • ES149590A3 - THERMOREGULATOR VALVE WITH ELASTIC WALLS : en es
  • ES150275A3 - A PROCEDURE FOR REINFORCING THE NUTRITIVE PROPERTIES OF VEGETABLE MILKS : en es
  • ES150518A1 - A NEW PROCEDURE TO IMPROVE THE CUTTING EFFECT AND AVOID THE VIBRATION IN THE BLADES OF THE SAFETY SHAVING MACHINES : en es
  • ES149825A2 - IMPROVEMENTS IN THE MACHINE TO CLASSIFY AND GRIND ALMONDS AND OTHER SIMILAR FRUITS, OBJECT OF THE MAIN PATENT : en es
  • ES149989A1 - A VAPORIZING APPLIANCE FOR THE USE OF HEAVY OILS IN EXPLOSION ENGINES : en es
  • ES150121A1 - DISPLACEMENT DEVICE FOR AIR PROPELLERS : en es
  • US2285055A - Dispensing cabinet : en
  • US2285100A - Process for refining montan wax : en
  • ES149364A1 - A PROCEDURE FOR PREPARING A SOLID FUEL BASED ON A LIQUID FUEL, WITHOUT ALTERING THE PHYSICAL-CHEMICAL CHARACTERISTICS OF THE INITIAL PRODUCT : en es
  • ES149994A1 - MECHANICAL DEVICE FOR THE CHANGE, DIFFERENTIALLY PROGRESSIVE, OF SPEED BY DENTATED MECHANISMS : en es
  • ES150500A1 - A PROCEDURE TO OBTAIN OPTICAL RELEASE EFFECTS IN PHOTOGRAPHY AND CINEMATOGRAPHIC PROJECTIONS : en es
  • ES150939A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 150883 : en es
  • ES150231A1 - OVEN FOR DISTILLATION AT LOW TEMPERATURE ESPECIALLY OF OLEAGINOUS OR BITUMINOUS SKINS : en es
  • ES149998A2 - REGISTRATION TRAP DEVICE ADAPTABLE TO NESTS FOR HENS AND OTHER USES : en es
  • ES149999A2 - IMPROVEMENTS MADE IN THE PURPOSE OF THE MAIN PATENT, NUMBER 147,621 : en es
  • ES150644A3 - A DEVICE FOR CUTTING THE THREADS THAT FORM HAIR IN VELVET AND SIMILAR FABRICS : en es
  • FR872358A - Improvements to gasifiers : en fr
  • ES149816A1 - A NEW CHAMBER OF STERILIZATION, DISINFECTION AND DESTRUCTION OF THE INSECTS THAT ATTACK THE VEGETABLES : en es
  • ES149927A1 - A NEW PROCEDURE FOR THE CONSTRUCTION OF PAVEMENTS AND SIMILAR : en es
  • ES150084A1 - A PROCEDURE FOR THE MANUFACTURE OF SHOES WITH AGGLOMERATED CORK FLOORS IN ONE OR MORE PLATES : en es
  • ES150264A3 - A MECHANICAL APPARATUS FOR CLEANING RAZORS : en es
  • ES150337A1 - A GAS GENERATOR FOR THE FEEDING OF INTERNAL COMBUSTION ENGINES : en es
  • GB545616A - Improvements in or relating to lock nuts : en
  • ES149844A1 - APPARATUS TO HEAT THE CLAMPS FOR HAIR WAVE : en es
  • ES150906A1 - IMPROVEMENTS IN THE CONSTRUCTION OF GASÓGENOS : en es
  • US2285076A - Sheet feeder : en
  • ES147469A2 - PROCEDURE FOR THE MANUFACTURE OF A WELDING ROD FOR THE WELDING OF A CHROME ALLOY APPLICATION : en es
  • ES150692A3 - WATER JET CLEANING DEVICE OR APPARATUS, WITHOUT COMPRESSED AIR : en es
  • US2284871A - Wrench : en
  • US2285224A - Sheet feed : en
  • FR872248A - Accumulator image analyzer tube : en fr
  • FR872312A - Radiator for internal combustion engines in particular : en fr
  • FR872221A - Copper-containing phthalooyanine : en fr
  • ES149555A2 - PROCEDURE FOR OBTAINING D-1-OXIBUTYLAMIDE-2 FROM D-LYSERGIC ACID : en es
  • ES150135A2 - PROCEDURE FOR THE PREPARATION OF A CONDENSATION PRODUCT : en es
  • ES150918A1 - PROCEDURE TO PRODUCE PROTECTIVE COATINGS ON MAGNESIUM AND ITS ALLOYS : en es
  • DE721368C - Arrangement on cathode ray tubes with current conductors introduced through a pinch foot and a viewing screen opposite the pinch foot : de en
  • ES150301A3 - IMPROVEMENTS IN THE CONSTRUCTION OF EXTENDABLE BOXES FOR BRACELET FASTENERS AND ANALOGUES : en es
  • ES150034A1 - APPARATUS FOR THE EXECUTION OF ARTIFICIAL BREATHING : en es
  • ES150072A1 - IMPROVEMENTS IN THE RECOVERY OF SULFUROUS GAS ANHYDRIDE : en es
  • ES150735A3 - PROCEDURE FOR THE MANUFACTURE OF A PRODUCT SIMILAR TO LINOLEUM WITH SUBSTANCES EXTRACTED FROM TOMATO SKIN : en es
  • US2284962A - Cellulose derivatives containing sulphur and nitrogen and process of making same : en
  • US2285146A - Socket for pin base lamps and tubes : en
  • FR872165A - Improvements to fluorescent or luminescent prints : en fr
  • CA405145A - Excess voltage protective tube : en fr
  • ES149684A1 - SYSTEM FOR THE RECONSTRUCTION OF AUTOMOBILES FOR TAXIS SERVICE : en es
  • DE721304C - Device for hanging parts of electrical cables : de en
  • ES149323A1 - PROCEDURE AND DEVICE FOR CUTTING METAL PLATES THROUGH TWO KNIVES, OF WHICH ONE IS FIXED AND THE OTHER IS MADE TO VIBRATE PNEUMATIC OR ELECTRICALLY : en es
  • ES150215A1 - A PROCEDURE FOR OBTAINING THE COBALT OXIDE OF THOSE MINERALS THAT CONTAIN IT : en es
  • US2285044A - Wave length modulation system : en
  • GB545599A - Receiving circuit for a signalling system : en
  • ES149777A1 - IMPROVEMENTS IN CLOSING MACHINES : en es
  • ES150386A3 - PROCEDURE FOR THE MANUFACTURE IN CONTINUOUS MACHINES OF QUILTED EMBROIDERY ON FABRICS : en es
  • ES149658A1 - INJECTION EXPLOSION MOTOR WITH INDEPENDENT IGNITION FOR VERY VOLATILE COMBUSTIBLES : en es
  • FR872193A - Recording machine for color films : en fr
  • US2284655A - Electric discharge tube : en
  • US2285086A - Typewriting machine : en
  • ES149993A3 - A DEVICE FOR THE LIMITATION OF THE ANGULAR MOTION OF THE BLADES IN VARIABLE PITCH PROPELLERS WITH HYDRAULIC MOTOR : en es
  • ES150382A1 - IMPROVEMENTS IN OR RELATIVE TO ROTARY DRILL STEMS, DRILL BITS, ADAPTERS AND OTHER UNION MECHANISMS FOR USE WITH PERCUSSION DRILLS : en es
  • ES150613A1 - INSTRUMENT MOUNTING DEVICE : en es
  • ES149611A3 - PROCEDURE FOR THE MANUFACTURE OF HYGIENIC CLOTHS, USING MACHINES OF VARIOUS TYPES : en es
  • ES150050A1 - IMPROVEMENTS IN THE MECHANISMS OF THE ECLIPABLE BODIES ON THE AIRCRAFT : en es
  • ES150417A1 - PROCEDURE TO OBTAIN A CRUNCHY TOUCH IN SILK AND WOVEN CELLULOSE WOVEN : en es
  • FR872396A - Baling press comprising a receiving device for feeding hay, straw and other similar products : en fr
  • ES149694A1 - IMPROVEMENTS IN WATER HEATERS FOR DOMESTIC OR INDUSTRIAL USE USING GASEOUS OR OTHER GASIFICABLE FUELS : en es
  • FR872328A - Combined light tank and wheelbarrow : en fr
  • AU115206B2 - Improvements in fuel vapourizers for internal combustion engines : en
  • SE104641C1 - APPARATUS FOR SIMULTANEOUS MARKING OF A PREDETERMINED POINT IN FOUR LAYERS OF MATERIAL. : en sv
  • US2284892A - Steering mechanism for vehicles : en
  • ES149784A1 - INTERMITTENT PENDULUM SWITCH : en es
  • FR872268A - Hot water heating operating with forced circulation : en fr
  • US2285138A - Locomotive driving wheel center : en
  • US2285229A - Control system : en
  • US2285253A - Package sealing machine : en
  • US2284910A - Flow control system for gas burners : en
  • ES150174A1 - A PROCEDURE TO RECEIVE AND SIMULTANEOUSLY TRANSMIT VARIOUS RADIO EMISSIONS AND OTHER THREAD EMISSIONS : en es
  • FR872158A - Dehydrating device for vegetables, fruits, plants, cereals and all food products : en fr
  • ES149666A3 - AN IMPROVEMENT IN THE MANUFACTURE OF SPEAKERS : en es
  • ES149349A1 - DISCOIDAL ANTI-COCK MINE : en es
  • ES149635A3 - IMPROVEMENTS IN THE MANUFACTURE OF TETRANITROPENTACRITRITE : en es
  • ES150578A1 - A PART OF GEAR : en es
  • ES150584A1 - A PROCEDURE FOR THE OBTAINING OF A PRODUCT INTENDED TO STOP TISSUE BREAKS : en es
  • FR872387A - Echo sounding devices for vehicles : en fr
  • US2285197A - Feeding unit for tabulating machines : en
  • US2285170A - Sulphur burner : en
  • ES149539A1 - IMPROVEMENTS IN THE MANUFACTURE OF STAIRS : en es
  • ES149750A3 - IMPROVEMENTS IN THE PROCEDURE OF COATING INTERIOR AND EXTERIOR SPECIAL STEEL BUSHINGS FOR CAR ENGINE CONNECTORS WITH WHITE ANTI-FRICTION METAL : en es
  • DE721351C - Switching device for motor vehicle transmission : de en
  • ES149245A1 - IMPROVEMENTS IN COLOR PHOTOGRAPHY MATERIALS : en es
  • ES149728A1 - NEW MODEL CORN DEGRANING MACHINE : en es
  • FR872375A - Trailer for coaches and buses with dual-purpose frame : en fr
  • ES150039A1 - PROCEDURE FOR OBTAINING 6-OXYCHROMENES : en es
  • ES150697A1 - PROCEDURE FOR DRYING GASES : en es
  • GB545653A - Improvements relating to combined jet and diffuser nozzles for use in fire fighting : en
  • US2284978A - Method of preparing magnesium theophylline : en
  • US2285350A - Ink ribbon reversing mechanism for business machines : en
  • ES144681A2 - IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION NUMBER 142230 : en es
  • ES149510A2 - A PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF THE PYRIDINE, QUINOLEINE AND ISOQUINOLEINE SERIES : en es
  • US2284707A - Apparatus for measuring soil or hydrostatic pressures : en
  • US2284796A - Apparatus for and method of forming and treating glassware : en
  • US2284958A - Self-holding jack : en
  • ES149445A2 - PROCEDURE FOR MANUFACTURING COLORS FOR PRINTING : en es
  • ES149644A1 - MULTI-OSCILLATION ELECTROMAGNETIC DEVICE FOR SOUND PRINTING : en es
  • DE721309C - Device for the mutual and simultaneous regulation of the cold and hot air supply to the carburetors of internal combustion engines, in particular aircraft engines : de en
  • ES149780A1 - AN APPARATUS THAT, APPLIED TO THE EXPLOSION ENGINES, REPLACES THE GASOLINE BY GAS-OIL : en es
  • ES150016A3 - PROCEDURE FOR WATERPROOFING ROOFS AND TERRACES : en es
  • ES150616A3 - AN APPARATUS TO MAKE THE ALTERNATING OF TEETH IN BAND SAWS : en es
  • FR872370A - Device for locking the steering and wheels for cycles, motorcycles and other vehicles, with safety lock : en fr
  • US2284969A - Method of completing wells : en
  • ES149329A1 - PROCEDURE AND DEVICE FOR THE REFINING OF EDIBLE OILS : en es
  • ES150916A1 - DEVICE TO PRODUCE ANODIUM TREATMENT PROTECTIVE COATINGS ON THE INTERNAL SURFACE OF HOLLOW METAL BODIES : en es
  • US2284704A - Apparatus for continuously molding metals : en
  • ES149892A1 - IMPROVEMENTS IMPLEMENTED IN THE FINISHING OF THE TABLE CLOTHS : en es
  • ES150750A1 - A MACHINE TO CUT TUBES : en es
  • GB545554A - Improvements in and relating to reducing valves : en
  • ES150401A3 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC HEATING CLIPS FOR PERMANENT HAIR WAVING : en es
  • ES150981A1 - A CONTROL DEVICE FOR THE COMPOSITION LOAD IN FUSION OVENS FOR GLASS OR GLASS : en es
  • ES150129A1 - A PROCEDURE FOR A CRANKSHAFT FOR TWO-STROKE ENGINE, IN MOTORS WITH MORE THAN TWO CYLINDERS : en es
  • US2284982A - Safety machine tool coupling : en
  • US2285013A - Cutlery : en
  • USD132637S - Design for a beret or similar article : en
  • GB545655A - Improvements in and relating to machines for applying edge-binding strips to webs or bands of flexible material : en
  • ES150762A2 - A PROCEDURE FOR PREPARING COFFEE FROM CEREALS CONTAINING CAFFEINE : en es
  • GB545578A - Improvements in and relating to training devices for air crews : en
  • ES150061A1 - IMPROVEMENTS IN THE BRAKING WHEELS, PARTICULARLY FOR AIRPLANES : en es
  • GB545561A - Improvements in brassieres : en
  • US2284915A - Heat exchange apparatus : en
  • ES146542A1 - Vacuum operated fuze for aviation pump. : en es
  • ES150862A1 - REGULATION OF CENTRIFUGAL FORCE : en es
  • ES150224A1 - IMPROVEMENTS IN SHAVINGS : en es
  • ES150419A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL OIL AND SUBPRODUCTS RESULTING FROM THE SAME : en es
  • ES149976A3 - A PROCEDURE FOR OBTAINING, WITH AN INDUSTRIAL CHARACTER, SULFUR MONOCLORIDE : en es
  • ES149680A3 - A PROCEDURE FOR THE REPRODUCTION OF THE GRAINING AND THE WATER OF QUALITY WOODS ON ORDINARY WOODS, AND ALSO OF ALL KINDS OF DRAWINGS : en es
  • ES150398A1 - PROCEDURE FOR OBTAINING OESTROGENIC FITOHORMONAS : en es
  • ES150471A1 - AN ELECTRICAL SAFETY DISPOSAL TO AVOID ACCIDENTS IN TRAILS IN PROGRESS : en es
  • ES150664A1 - TRANSFORMER FOR AMPLIFIERS B OF OPPOSITE TIMES : en es
  • ES150793A1 - A PROCEDURE TO OBTAIN ANHYDROID COMBINATIONS OF THE PENTILS : en es
  • FR872173A - Metal Machining Product : en fr
  • ES150846A1 - SYSTEM OF PRINTING ON PHOTOGRAPHIC MATERIAL OF SIMPLE OR COMPOSITE OSCILLATIONS, PRESERVING, IN A PHOTOGRAPHIC FORM, ITS CHARACTERISTICS : en es
  • ES150338A1 - HELICOIDAL CLOSURE OF CONTAINERS FOR GRANULATED MATERIALS : en es
  • US2285285A - Clinometer : en
  • US2285143A - Mounting piezoelectric elements : en
  • ES149402A1 - DEVICE FOR THE GOVERNMENT IN DEPTH OF AUTOMOTIVE TORPEDOS DEPENDING ON THE DEGREE OF DEPTH OF ITS IMMERSION AND ITS LONGITUDINAL POSITION : en es
  • ES150273A1 - PROCEDURE FOR THE MANUFACTURE OF WOODEN PEWS : en es
  • US2285212A - Decorative material : en
  • USD132645S - Design for a fluorescent table lamp : en
  • USD132651S - Design fob a dress : en
  • ES149861A1 - A PROPELLER SYSTEM FOR FANS WITH RECTIFIER DEVICE : en es
  • ES150394A1 - A PISTON AND CYLINDER FOR ENGINES : en es
  • ES149673A3 - A DISC WHEEL WITH CONCENTRIC RIPPLES FORMED DIRECTLY ON THE DISC BLADE WITH WINDED SINUOSITIES PRACTICED BETWEEN THE DISC AND THE RIM : en es
  • ES149856A3 - A PROCEDURE FOR THE MANUFACTURE OF GROOVED OR BORED DOWEL RIVETS : en es
  • ES149863A1 - PROCEDURE FOR THE CONSTRUCTION OF MULTI-TUBULAR CONDUCTIONS FOR THE INSTALLATION OF UNDERGROUND PIPELINES OF ALL KINDS OF PUBLIC SEVICES : en es
  • ES150175A1 - IMPROVEMENTS IN THE MANUFACTURE OF UMBRELLA : en es
  • ES150282A3 - A PROCEDURE FOR THE MANUFACTURE OF SOUND CONES FOR SPEAKERS : en es
  • ES149362A1 - BELT CONVEYOR : en es
  • ES149699A1 - A PROCEDURE FOR THE OBTAINING OF A PLASTIC MATTER ANALOGUE TO CELULOID, GALATITA, BAKELITE AND OTHER ANALOGS : en es
  • DE721401C - Mechanical switching mechanism, especially for limit switches : de en
  • US2284808A - Apparatus for sorting cards : en
  • ES149818A1 - DEVICE FOR THE PULLING OF DOUBLE EDGES IN RECTILINEE PICK-UP MACHINES : en es
  • ES150780A1 - A PERFECTION IN REFRIGERATED NOZZLES : en es
  • ES150813A1 - A PROCEDURE TO PREPARE SUSPENDED ALUMINUM AND MAGNESIUM ALLOYS RESISTANT TO CORRECTION AND INSENSIBLE TO THE RECOCIDO : en es
  • ES150926A1 - PROCEDURE FOR THE OBTAINING OF DECAPANTS AND DEGREASING PRODUCTS : en es
  • DE721286C - Repair insert for pneumatic tires : de en
  • ES149494A1 - A SENSITIVE MATERIAL RIBBON CONVEYOR FOR AUTOMATIC OR SEMI-AUTOMATIC PHOTO MACHINES : en es
  • ES149897A1 - A CENTRIFUGAL PUMP SYSTEM FOR ENGINE COOLING : en es
  • ES150067A3 - A PROPELLER FOR AIRCRAFT WITH PITCH REGULATION OBTAINED WITH HYDRAULIC MEANS : en es
  • FR872205A - Gasifier with steam generator : en fr
  • DE721428C - Cutting edge formation from massive caissons : de en
  • ES149594A1 - PROCEDURE DEBTENTION OBTAINING A SOLVENT PRODUCT FROM ALL KINDS OF PAINTS, VARNISHES, DUCO, COLD AND FIRE ENAMELS, BASED ON OIL, ALCOHOL OR CELLULOSE, APPLIED ON METAL, CRYSTAL, WOOD OR STONE, WITHOUT THIS PRODUCT CONTAINING NO CLASS OF ACID : en es
  • ES150099A1 - DEVICE FOR GAS-OIL SERVICE AS FUEL IN EXPLOSION ENGINES : en es
  • ES150244A1 - A PROCEDURE WITH YOUR DISPOSITION TO QUICKLY FREEZE AND STORE VIANDAS : en es
  • ES149695A1 - A NEW ADVERTISING SYSTEM : en es
  • ES149799A1 - A NEW DEVICE REDUCER-DEGREASER OF SPARK PLUGS FOR AUTOMOBILES AND ALL KINDS OF EXPLOSION ENGINES : en es
  • ES150969A3 - APPARATUS FOR MEDICINAL INHALATIONS : en es
  • CA405070A - Taper thread cutting apparatus : en fr
  • ES149328A1 - BOILER OF DESINTEGRATION FOR THE OBTAINING OF REHEATED AIR : en es
  • ES149442A1 - A PROCEDURE FOR THE MANUFACTURE OF A NEW INSECTICIDE IN THE FORM OF DUST TO COMBAT THE PESTS OF VEGETABLES, VEGETABLES AND VEGETABLES : en es
  • ES150365A1 - A CLUTCH DEVICE FOR TRANSMISSION IN APPLIANCE MACHINES AND SIMILAR FOR TEXTILE MATERIALS WITH ELECTRIC DRIVE : en es
  • ES150511A1 - TURBOCOMPRESSOR DEPURATOR OF THE GASES OF FEEDING OF THE INTERNAL COMBUSTION ENGINES : en es
  • ES150741A1 - PROCEDURE FOR HARDENING METAL PARTS BY ELECTRICAL CURRENT, ACCORDING TO THE ELECTRICAL DEVICE : en es
  • DE721427C - Process for the production of concrete : de en
  • ES147168A1 - Procedure for the manufacture of wired rubber objects. : en es
  • ES149875A1 - A PROCEDURE AND DEVICE FOR THE OPERATION OF A REGULABLE AIR PROPELLER OF A PLANE OPERATED BY AN EXPLOSION ENGINE : en es
  • US2284766A - Apparatus for handling glassware : en
  • US2285185A - Lagging for reels : en
  • ES150651A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 147,773 : en es
  • USD132635S - Design folt a hat : en
  • US2284930A - Footwear : en
  • US2285030A - Receiving system : en
  • CA405150A - Rock wool : en fr
  • GB545597A - Improvements relating to electric water heaters : en
  • US2284665A - Vehicle suspension : en
  • ES149358A1 - PROCEDURE FOR FLAVORING HYDROGENATED FATS AND GRADUATING ITS CONSISTENCY AND FUSION POINT : en es
  • ES150845A1 - SOME IMPROVEMENTS IN THE CREATION OF NECKTIE : en es
  • US2285105A - Massage apparatus : en
  • ES150582A1 - DISPOSAL OF THE INK RIBBON IN PRINTER MECHANISMS, ESPECIALLY IN PRINTER THEODOLITES : en es
  • ES150908A1 - A NOZZLE OF CONSTANT AIR SPEED AND AUTOMATIC VARIABLE PERFORMANCE : en es
  • FR872189A - Method and apparatus for converting refuse into fertilizing material in the form of humus : en fr
  • ES149613A1 - A PROCEDURE FOR THE TREATMENT AND POSTERIOR THREADING OF THE COMMON PALM (CHAMEROPS HUMILIS) AND JUNCO COMUN (J. ACUTUS) : en es
  • ES150810A1 - AN ARMOR FOR THE EYE CRYSTALS FOR ANTIGAS CARTERS : en es
  • US2284828A - Dispensing apparatus : en
  • US2284762A - Batt forming machine : en
  • ES149416A3 - AN AIRCRAFT CONTROL PROCEDURE BY ASPIRATION : en es
  • ES150671A1 - AN APPARATUS FOR SHOOTING VARIOUS CARTRIDGES FROM A CHARGER : en es
  • ES149336A3 - PROCEDURE FOR THE REGENERATION OF OLD RUBBER, ESPECIALLY OF DAMAGED CAR COVERS : en es
  • DE721376C - Auxiliary device for the extraction of the mineral and for the simultaneous mechanical introduction and robbery of the expansion : de en
  • ES150079A1 - A PROCEDURE AND PROVISION TO INCREASE THE SAFE OPERATION OF HIGH PERFORMANCE EXPLOSION ENGINES, ESPECIALLY AIRCRAFT, POWERED BY LEAD-CONTAINING FUEL : en es
  • ES150863A1 - HAMMER-PILON : en es
  • DE721371C - Process for the reconditioning of clad iron : de en
  • ES150849A1 - A FILE FOR PRINTED MODELS WITH OSCILLATING BOXES THAT CAN BE PLACED IN OBLICATE POSITION : en es
  • ES149690A1 - SOME IMPROVEMENTS IN THE PROCEDURE OF PACKAGING CONDENSED MILK : en es
  • ES150285A1 - IMPROVEMENTS IN THE APPLIANCES FOR THE THERMAL TREATMENT OF FOODSTUFFS OR OTHER ARTICLES : en es
  • DE721383C - Paper pressure roller for writing, calculating and similar machines : de en
  • ES149723A3 - IMPROVEMENTS IN THE SYNTHESIS OF NORMAL BUTYL ALCOHOL : en es
  • ES150487A3 - AN IMPROVEMENT IN THE COUPLING OF THE ELEMENTS THAT INTEGRATE THE CENTRAL HEATING INSTALLATIONS : en es
  • ES150120A1 - A PROCEDURE FOR THE MANUFACTURE OF GENDER OF POINT OF CHAIN WITH TRANSVERSAL LISTS THROUGH FULL OR ENPARTE BY THREADS OF RUBBER IN THE FORM OF CADENET : en es
  • ES150173A1 - DEVICE TO INDICATE THE IDENTITY OF A DEFECTIVE REPEATER UNATTENDED IN A TERMINAL STATION OR ATTENDED : en es
  • ES150308A3 - A PROCEDURE FOR THE MANUFACTURE OF ELECTRICITY INSULATING OIL PIPE : en es
  • ES150420A3 - PROCEDURE FOR THE PREPARATION OF DRY FISH BUCHES : en es
  • FR872199A - Improvements to accounting and statistical machines : en fr
  • ES150563A1 - A PORTAELECTRODOS FOR THE ELECTRIC WELDING OF SEAMS IN METAL PIECES IN WORK, OF ALL KINDS, ESPECIALLY OF THIN SHEETS : en es
  • GB545530A - Improvements in or relating to suction cleaners : en
  • US2284677A - Mining apparatus : en
  • DK59834C - Metal plate core and kneading barrel. : da en
  • ES150490A1 - AN OIL SHREDDER MILL : en es
  • ES150624A1 - A PROCEDURE TO INCREASE THE DEGREE OF EFFICIENCY OF THE ACCUMULATORS : en es
  • DK59826C - Wiring. : da en
  • US2284854A - Hat manufacture : en
  • US2284872A - Means for forming windowed apertures : en
  • US2284932A - Electrically operated pump jack : en
  • US2285301A - Deck lid lock : en
  • DE721231C - Process for dyeing fibrous materials or plastics that contain nitrogen atoms with exchangeable hydrogen atoms : de en
  • ES150036A1 - IMPROVEMENTS IN THE BELT UNION IN WEDGE : en es
  • ES150103A1 - IMPROVEMENTS IN THE MANUFACTURE OF HERMETIC JOINTS OF THE ROTATING DISTRIBUTOR : en es
  • ES149857A3 - PROCEDURE FOR THE MANUFACTURE OF MOTHER OF PEARL BUTTONS : en es
  • AU115202B2 - Improvements inthe manufacture of corrugated asbestos cement sheets : en
  • USD132656S - Design for a dress : en
  • FR872163A - Vibrating cable enhancements : en fr
  • GB545560A - Improvements in packing devices for shafts : en
  • US2284945A - Cable connector : en
  • USD132653S - Design for a brooch or similar article : en
  • USD132632S - Design for a bottle for perfume or the like : en
  • USD132617S - Design fok a sewing machine : en
  • USD132660S - Design fob a dress : en
  • CA405184A - Fruit treating apparatus : en fr
  • CA405087A - Greeting folder : en fr
  • US2285025A - Pipe opening and flaring tool : en
  • AU277141A - Improvement in multiple-color television system : en
  • CA405162A - Signal generator : en fr
  • DE721294C - Cushioning device for container : de en
  • ES150090A1 - IMPROVEMENTS IN ELECTRONIC DISCHARGE DEVICES : en es
  • CA405171A - Electric heating device : en fr
  • ES149802A3 - IMPROVEMENTS IN MASONRY WORKS MADE OF STONES OPEN BY THE SURFACE OF THE BASE, HOLLOWS, MOUNTED WITH A RECIPROCAL DISPLACEMENT : en es
  • US2284659A - Thread rolling die : en
  • ES150379A3 - PROCEDURE FOR OBTAINING PHENYL-P-NAPHTHYLAMINE : en es
  • ES149583A1 - PACKAGING PROCEDURE IN SPECIAL TRANSPORTABLE CONTAINER WITH AUTOMATIC OUTPUT OF SATURATED AND REFILLABLE BEVERAGES : en es
  • US2284689A - Modulation system : en
  • US2284964A - Mechanical respirator : en
  • US2284771A - Shockproof mounting : en
  • US2285191A - Automatic reclosing circuit breaker equipment : en
  • US2285334A - Winding machine : en
  • ES150280A1 - A PROCEDURE FOR THE MANUFACTURE OF A BELT SOFTENING PRODUCT TO ENSURE ITS ADHERENCE TO THE PULLEYS : en es
  • DE721291C - Bolt lock for fully and semi-automatic firearms of the gas pressure loader type : de en
  • ES149444A3 - PROCEDURE FOR TRANSMISSION AND OPERATION OF ALARM SIGNALS : en es
  • ES150779A3 - A GAS DETENTING DEVICE, WITH MULTIPLE EFFECTS AND TIMES : en es
  • ES149491A1 - SOME IMPROVEMENTS IN THE DEVICE FOR CUTTING THE THREAD THREAD IN THE CHANGE MECHANISMS OF AUTOMATIC TELESCOPES : en es
  • ES149596A1 - SYSTEMATIC PROCEDURE FOR FIXING LETTERS IN RELIEF : en es
  • ES150139A1 - AN OPERATION OF THE URDIMBRE FLEXIBLE FOR COTTON DE URDIMBRE MACHINES : en es
  • ES150896A1 - MULTICOLOR SWITCH FOR TARIFF COUNTERS, TIME SWITCHES AND SIMILAR USES : en es
  • ES150982A1 - A HYDRAULIC APPARATUS FOR BRAKE COMMAND FOR THE NORMAL AND DIFFERENTIAL BRAKING OF THE WHEELS OF VEHICLES : en es
  • FR872152A - Electric cart with accumulators : en fr
  • FR872196A - Accounting and statistical machines operating with cathode ray tubes : en fr
  • GB545523A - Improvements in or relating to the production of moisture-proof regenerated cellulose sheets and films : en
  • CA405079A - Metal coil recoiling apparatus : en fr
  • FR872382A - Fixing of the vane crown for rotary machines with radial admission, and more especially for steam turbines : en fr
  • ES150405A3 - ARRANGEMENT OF FUEL PUMPS IN EXPLOSION ENGINES WITH INJECTION AND ENGINE CYLINDERS ARRANGED IN V : en es
  • FR872344A - Improvements to projectors : en fr
  • US2284829A - Ultra high frequency receiving device : en
  • US2285331A - Apparatus for treating organic material : en
  • US2285147A - Process of manufacturing foils, films, and the like : en
  • CA405118A - Duplicator for machine tools : en fr
  • CA405103A - Water heater : en fr
  • CA405069A - Liquid fuel burner : en fr
  • ES149379A1 - IMPROVEMENTS IN THE MANUFACTURE OF PECTIN COMPOSITIONS IN POWDER SUITABLE TO PREPARE JELLY OR SIMILAR IN THE PRESENCE OF MILK : en es
  • ES149503A1 - A SEALED SYSTEM, WITH THEIR CORRESPONDING TEXT AND SEAL : en es
  • DE721459C - Wire rope sling for carrying loads : de en
  • ES149887A3 - IMPROVEMENTS RELATED TO THE REDUCTION OF MAGNESIUM : en es
  • FR872298A - Lubrication device for piston engines : en fr
  • US2285163A - Fuel pump : en
  • US2285342A - Teeing device for golf balls : en
  • ES150776A1 - PROCEDURE TO PREVENT THE FORMATION OF BUBBLES IN THE MANUFACTURE OF MOLDED BODIES OF ARTIFICIAL RESINS : en es
  • ES150790A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF CRANKSHAFT BEARINGS AND CRANKSHAFT : en es
  • FR872352A - Device for making briquettes with waste paper and other organic materials : en fr
  • DE721331C - Electron tubes in which two grids are arranged in such a way that the wires of the grid, which is further away from the cathode and operationally positively biased, lie in the electron shadow of the other grid : de en
  • ES150073A1 - IMPROVEMENTS IN THE RECOVERY OF SULFUROUS GAS ANHYDRIDE : en es
  • CA405147A - Tube end enlarging means : en fr
  • ES149592A1 - A NEW BIPERSONAL BIKE : en es
  • ES150014A1 - CLUTCH MECHANISM FOR AUTOMOTIVE VEHICLES : en es
  • ES150731A1 - A NEW PIPE UNION SYSTEM : en es
  • GB545610A - Improvements in blocks for building : en
  • ES146617A1 - Procedure for transferring parts of knitted goods, from a rectilinear machine for picking up meshes (cueillage) to another machine for gathering of meshes (cueillage) rectilinear. : en es
  • ES150455A1 - A PROCEDURE FOR TREATMENT OF THE TRIPLE ALLOY PRODUCED IN THE DISPLACEMENT OF LEAD BY THE PROCEDURE OF CINCAJE : en es
  • FR872281A - Process for manufacturing electrodes for electrostatic electronic lenses : en fr
  • ES150024A1 - DIRECTIONAL ANTENNA SYSTEMS : en es
  • ES149960A3 - AN IMPROVEMENT IN TOOL HANDLES : en es
  • US2285247A - Control device for radio receivers and the like : en
  • ES149599A1 - PRESSURE FALL INDICATOR PARTICULARLY APPLIED TO PRESSURE AIR BRAKING SYSTEMS : en es
  • ES150037A2 - IMPROVEMENTS IN THE FORMATION OF HOLLOW METAL ARTICLES, SUCH AS HOLLOW SHEETS OF METAL PROPELLERS : en es
  • ES150392A1 - A PROCEDURE TO IMPROVE WEAR RESISTANCE OF TEXTILE MATERIALS : en es
  • ES149815A1 - PERFECTED PROCEDURE FOR THE MANUFACTURE OF HYDROGEN PEROXIDE : en es
  • ES150585A3 - PROCEDURE FOR THE PRE-TREATMENT OF METAL PIECES OF IRON AND STEEL AND OTHER METALS, IN ORDER TO PREPARE THEM TO BE MODELED OR DEFORMED WITHOUT TAKING CHIPS, FOR EXAMPLE, STRETCHED, RECALKED OR LAMINATED : en es
  • ES150705A1 - A PLATE BASE FOR WRITING MACHINES : en es
  • FR872339A - Device for de-icing railway equipment, by electric heating : en fr
  • ES149677A1 - IMPROVEMENTS IN THE MANUFACTURE OF LETTER FILES : en es
  • ES150596A1 - A PROVISION TO AVOID SECONDARY RADIATIONS IN COMBINATIONS OF ANTENNAS WITH PRONOUNCED DIRECTION EFFECT : en es
  • US2285179A - Artificial tooth : en
  • US2285330A - Lateral stabilizer for flying boats and amphibians : en
  • US2285364A - Galvanizing kettle : en
  • ES150637A1 - IMPROVEMENTS IN INTERNAL COMBUSTION ENGINES WITH SUPERCHARGING AND SWEEPING THE ENGINES : en es
  • ES150971A3 - PROCEDURE FOR THE MANUFACTURE OF FURFUROL : en es
  • GB545536A - Improvements in or relating to control switches for pressure-operated devices : en
  • CA405126A - Low refractance glass : en fr
  • US2285217A - Confining garment : en
  • US2285190A - Petroleum refining : en
  • SE104671C1 - : en
  • CA405090A - Hand cart : en fr
  • ES150506A2 - A PROCEDURE AND DEVICE FOR THE DIRECT PRODUCTION OF FLAT AND WAVY SHEETS OF FIBROUS CEMENT : en es
  • ES150006A1 - ELECTRICAL IGNITION SYSTEM FOR COMBUSTION ENGINES : en es
  • ES150821A1 - CONTINUOUS PRODUCTION AUTOMATIC APPARATUS FOR THE EXTRACTION OF OLIVE OIL : en es
  • FR872362A - Synthetic stone for sharpening safety razor blades : en fr
  • CA405093A - Two speed sub-zero battery : en fr
  • USD132628S - Cover plate for a sewing machine : en
  • USD132654S - Design for a lace : en
  • DE721317C - Process for stabilizing textile treatment liquors containing per compounds : de en
  • ES149496A1 - PROCEDURE FOR THE MANUFACTURE OF SULFURIZED PAPER OR VEGETABLE PARCHMENT : en es
  • ES149852A1 - AN APPARATUS FOR AUTOMATICALLY FILLING BOTTLES AND CONTAINERS OF ALL KINDS : en es
  • FR872216A - Dispensing container system for all pasty products : en fr
  • GB545598A - Improvements in or relating to cylinder liners for internal combustion engines : en
  • US2284768A - Cutting tool : en
  • US2284847A - Photographic filter and like mount : en
  • DE721424C - Sharpening machine for pencils, colored pencils, etc. Like. With cutter and cutter shaft mounted on balls : de en
  • US2285131A - Refrigeration : en
  • US2285372A - Push-pull mixing circuit for ultrashort waves : en
  • DE721425C - Shrink machine for pulling in the edges of worn out shoes : de en
  • ES150333A2 - A PROCEDURE TO OBTAIN SATURATED AND UNSATURATED DERIVATIVES OF PREGNADION 3. 20 REPLACED IN POSITION 31 : en es
  • ES150591A3 - A PROCEDURE FOR THE MANUFACTURE OF OXALIC ACID AND OXALATES BY THE SAW DUST PROCEDURE : en es
  • GB545595A - Improvements in and relating to screen caps for thermionic valves : en
  • US2284632A - Centrifugal pump : en
  • US2285082A - Track lubricator : en
  • ES150581A1 - A PROCEDURE FOR MANUFACTURING A SYNTHETIC SOAP : en es
  • US2284727A - Method of making decorated fabric : en
  • US2284661A - Material transport truck : en
  • US2284947A - Heat insulating insole : en
  • US2285203A - Control equipment : en
  • ES148292A1 - IMPROVEMENTS IN EQUIPMENT FOR MEASURING AND DISTRIBUTING LIQUIDS : en es
  • ES149530A1 - MANUFACTURING PROCEDURE OF A GENERAL USE COLA, ESPECIALLY FOR WOODS AND WALL AND ROOF GLASSES : en es
  • ES150424A1 - DEVICE FOR POINTING DEFECTS OF AMPLIFIER VALVES : en es
  • ES150861A2 - IMPROVEMENTS MADE IN THE MAIN PATENT OF NUMBER 149052 : en es
  • DE721365C - Device for measuring the electrical conductivity of liquids taking into account the temperature of the liquid : de en
  • ES149427A1 - A WIRELESS TELEGRAPH RECEIVER THAT CAN TUNE AUTOMATICALLY WITH CERTAIN NUMBER OF PRE-DETERMINED STATIONS THROUGH A KEYBOARD, A SELECTOR DISK OR ANOTHER ANALOG DEVICE : en es
  • ES149793A1 - NEW PROCEDURE FOR THE MANUFACTURE OF DESCALING PRODUCTS : en es
  • ES150363A1 - A SLIDING CHANNEL OF IMAGES FOR PROJECTIONS OF VERTICAL IMAGES : en es
  • ES149828A2 - A PROCEDURE FOR UNIFORMLY COATING WITH A PHOTOGRAPHIC SENSITIVE SOLUTION CYLINDERS AND CYLINDRICAL WRAPS : en es
  • ES150361A1 - A NEW PROCEDURE TO OBTAIN A SUBSTITUTE PRODUCT FROM SPONGES OBTAINED FROM VEGETABLE MATTERS : en es
  • ES149422A1 - A SYSTEM OF EXTENSIBLE MOLDS FOR THE MANUFACTURE OF CENTRIFUGED CEMENT TUBOE : en es
  • ES149881A1 - PROCEDURE FOR MANUFACTURING ELASTIC CAPSULES BASED ON SPIDER CELLULOSE OR VIRUS SARMIENTO : en es
  • ES149990A1 - A NEW CONSTRUCTION OF PARTITIONS : en es
  • ES150101A1 - A SAFETY DEVICE FOR PERCUSSION ESPOLETA CAPSULA : en es
  • ES150933A1 - IMPROVEMENTS INTRODUCED IN GASOPHENES FOR THE MANUFACTURE OF POOR GAS OF DIVERSE APPLICATIONS : en es
  • GB545637A - Improvements in or relating to ice elimination on wings and other surfaces of aircraft : en
  • ES149670A3 - FABRIC CUTTING MACHINE, WITH CIRCULAR BLADE : en es
  • ES149848A1 - A PROCEDURE FOR THE PRODUCTION OF LUMINOUS CLAIM DEVICES : en es
  • ES150011A1 - NOZZLE ARRANGEMENT FOR COMBUSTION AND INJECTION ENGINES : en es
  • ES150787A1 - AN AUTOMATIC BALANCE : en es
  • ES149465A1 - A SERVOMOTOR CONTROL VALVE : en es
  • ES150540A1 - A PROCEDURE TO MAKE CARBON RICH LIQUID OR LIQUEUR COMBUSTIBLES USED IN THE EXPLOSION ENGINES : en es
  • FR872245A - Improvements to manufacturing processes for high power anodes for electric discharge vessels : en fr
  • ES149706A3 - A PROCEDURE FOR THE MANUFACTURE OF WOODEN BUTTONS : en es
  • ES150609A1 - AN AUTOMATIC MACHINE TO MAKE TABLETS : en es
  • ES149519A1 - A PROCEDURE FOR OBTAINING A NEW MATERIAL FOR THE MANUFACTURE OF FURNITURE, DOORS AND OTHER SIMILAR CONSTRUCTIONS : en es
  • ES149909A1 - PROCEDURE FOR THE OBTAINING OF FORMALDEHIDOBISULFÍTICOS COMPONENTS OF ARSENOBENZOLES AMINOSUSTITUÍDOS : en es
  • ES150566A1 - IMPROVEMENTS IMPROVED IN INSULATORS FOR ELECTRIC POWER DRIVING : en es
  • FR872232A - Air insufflator for gasifiers : en fr
  • ES149439A1 - IMPROVEMENTS IN THE MANUFACTURE OF CINEMATOGRAPHIC TAPES : en es
  • ES150028A3 - A PROPULSION FOR THE PROPULSION OF VEHICLES, AND PARTICULARLY OF AIR VEHICLES, WITH AUTOMATIC PASSAGE : en es
  • ES150588A1 - AN ILLUMINATING DEVICE FOR PORTABLE CONTAINERS, ESPECIALLY LADY BAGS : en es
  • ES150860A1 - IMPROVEMENTS IN GASOGENS FOR AUTOTRACTION : en es
  • USD132621S - Design foe a shoe sole : en
  • FR872345A - Polyvinyl Formal Solutions and Their Applications : en fr
  • ES150729A1 - SOME IMPROVEMENTS IN THE PROCEDURE FOR MANUFACTURING MOUNTS FOR GLASSES, LENSES AND SIMILARS : en es
  • GB545625A - Improvements in or relating to the manufacture of ladies' hand-bags : en
  • ES150319A1 - IMPROVEMENTS IN BICYCLE BRAKES : en es
  • ES150372A3 - A PROCEDURE FOR THE MANUFACTURE OF CORN CELLULOSE : en es
  • ES150792A3 - A PROCEDURE FOR OBTAINING REFRACTORY PRODUCTS FROM MAGNESIC SILICATES : en es
  • ES149335A1 - MEANS FOR OBTAINING LAYERS BY WAY OF ENAMELS OR GLAZED : en es
  • ES150128A1 - IMPROVEMENTS IN LIFTING FACILITIES WITH STRENGTHLY VARIABLE WATER LEVELS : en es
  • ES150608A3 - TRPEZOIDAL TYPE LINK BELT, FASTENED WITH METAL STAPLES AND PROVIDED WITH SPACER PIECE : en es
  • ES150959A3 - IMPROVEMENTS IN COK MAKING OVENS : en es
  • GB545619A - Improvements in or relating to control of combustion : en
  • ES149475A1 - IMPROVEMENTS IN MECHANICAL OVENS FOR BAKING BREAD : en es
  • US2285241A - Brake : en
  • ES150402A3 - A MOISTURIZER FOR PERMANENT HAIR WAVING : en es
  • FR872219A - Rapid production of liquid, semi-hard and hard compound soaps, with variable percentages of its von : en fr
  • US2285309A - Button fastener : en
  • US2285019A - Means for processing film : en
  • ES149409A1 - A PROCEDURE FOR OBTAINING A PAINTING WITH A RELIEF EFFECT : en es
  • ES149528A1 - PROCEDURE FOR THE PRODUCTION OF COLOR EFFECTS : en es
  • ES150718A1 - MECHANISM PERFECTED OF GREAT STRETCHING FOR THE MACHINES AND MACHINES OF HILAR COTTON AND OTHER FIBERS : en es
  • DE712004C - Device for pressing and loosening suddenly opening caps of pressurized containers : de en
  • ES150453A1 - PROVISION FOR THE AUTOMATIC COMMAND OF DEFLECTORS OF THE WINGS OF AERIAL VEHICLES : en es
  • ES150410A1 - IMPROVEMENTS IN THE MANUFACTURE OF BILGEARY BODIES : en es
  • ES150929A1 - A PROCEDURE FOR MANUFACTURING SUBSTITUTE FUELS : en es
  • ES150456A1 - A TRASH CART WITH A CONTAINER PROVIDED WITH A FEEDING PROPELLER : en es
  • FR872331A - Use of montmorillonite for the manufacture of cleaning, hygiene and beauty products : en fr
  • AU159641A - Transmission systems : en
  • ES149913A3 - IMPROVEMENTS IN THE OBTAINING OF COPPER AND LEAD BASED ALLOYS : en es
  • ES148525A1 - DEVICE TO CAUSE THE DETONATION OF UNDERWATER WEAPONS THROUGH A GALVANIC CONTACT CURRENT : en es
  • ES150768A1 - A PROVISION TO SEPARATE AND SECURE VARIOUS TRANSMISSION PARTS ON AN AXIS : en es
  • FR872230A - Manufacturing process of fluted viscose rayon, obtained by spinning on a spool : en fr
  • US2285244A - Switch for pin tables : en
  • US2285307A - Lamp shade construction : en
  • ES150430A1 - IMPROVEMENTS IN THE PROCEDURES FOR MANUFACTURING LAMINATED ITEMS AND THE COMPOUNDS MADE WITH THEM, AS WELL AS THE MAKING OF FABRICS FOR THE MANUFACTURE : en es
  • ES149731A1 - FRAME FOR MOTOR VEHICLES : en es
  • ES150574A1 - A PROCEDURE FOR OBTAINING MAGNESIUM-FREE CINC ALLOYS : en es
  • ES150670A1 - CUTTING MATRIX DEVICE FOR MANUFACTURING MECHANICAL SAWS : en es
  • ES150672A1 - A PROCEDURE TO ENNOVE TEXTILE ITEMS : en es
  • ES150537A1 - AN INDIVIDUAL ADJUSTMENT DEVICE FOR PUMP STEMS, ESPECIALLY INTENDED FOR FUEL INJECTION PUMPS OF EXPLOSION ENGINES : en es
  • FR872241A - Electric safety lamp against explosions and firedamp : en fr
  • CA405192A - Integrating apparatus : en fr
  • ES150144A1 - MANUFACTURING PROCEDURE OF CARBON AGGLOMERATES FOR DOMESTIC AND INDUSTRIAL USES : en es
  • ES150434A1 - A REGULATION BRAKE SYSTEM, INERTIA, FOR ALL KINDS OF VEHICLES : en es
  • ES150159A1 - A PROCEDURE TO SLIDE WATER : en es
  • ES149554A3 - A PROCEDURE FOR WORKING STEEL AND OTHER METALS : en es
  • ES149720A1 - IMPROVEMENTS IN FUEL INJECTION VALVES FOR HEAVY OIL ENGINES : en es
  • ES150829A1 - A PROCEDURE FOR THE MANUFACTURE OF SÉMOLAS, PURÉS AND FLOURS AND BONIATOS : en es
  • US2284617A - Relay switching circuits : en
  • US2284976A - Wiper blade : en
  • ES150539A3 - AN EXPLOSION ENGINE, ESPECIALLY FOR AVIATION : en es
  • ES149536A1 - AN EXTRACTOR INSTALLATION OF SCORDS FOR LARGE HOMES : en es
  • ES150676A1 - AN INSTALLATION OF FORCE TRANSMISSION : en es
  • AU115203B2 - Improvement in multiplex signal-translating system : en
  • CA405173A - Machine tool control system : en fr
  • ES149463A1 - A PROCEDURE FOR PREPARING PASTOSE MASSES CONTAINING HIGHLY ACTIVE CELLULOSE PEPTIZED BY VEGETABLE COLOIDS : en es
  • US2284877A - Light sensitive color element : en
  • US2285109A - Displacement valve gas lift : en
  • US2285165A - Building floor : en
  • US2285017A - Coating apparatus : en
  • CA405073A - Needle : en fr
  • US2284810A - Shoe and method of making the same : en
  • ES150362A1 - A THERMAL COMPENSATOR : en es
  • FR872366A - Panel with assembly and suspension device for the construction of ceilings and other applications : en fr
  • DE721289C - cartridge : de en
  • DE721359C - Process for the conversion of oxides of carbon with hydrogen to hydrocarbons or oxygen-containing compounds : de en
  • US2284887A - Engine starting device : en
  • US2285102A - Mechanical setting mechanism for radio tuning structures : en
  • US2285232A - Elevated parking system : en
  • AU115184B2 - Improved implement for working the soil : en
  • US2285202A - Protective system : en
  • AU70540A - Process for isomerizing paraffin hydrocarbons : en
  • CA405106A - Gearing : en fr
  • ES150164A1 - A HORIZONTAL OBTURATION DEVICE FOR SLIDING GATE MIRRORS : en es
  • ES150889A1 - GASOGEN FOR INTERNAL COMBUSTION ENGINES : en es
  • FR872169A - Method and apparatus for producing gas from tar, crude oils and other materials : en fr
  • ES149602A1 - NEW MEDICAL SELF-INJECTION DEVICE : en es
  • FR872160A - Improvements to wood charcoal ovens : en fr
  • AU115193B2 - Improved method of and means for compressing cotton orthe like into tampons orthe like : en
  • US2284861A - Recovery of certain metal salts : en
  • CA405138A - Electric resistor : en fr
  • CA405194A - Shovel : en fr
  • US2284725A - Packaged suture and method and apparatus for packaging the same : en
  • US2285222A - Valve : en
  • US2285032A - Age resisting rubber composition : en
  • CA405130A - Coating composition : en fr
  • ES150936A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 150917 : en es
  • CA405190A - Power transmission : en fr
  • ES150757A1 - PROCEDURE FOR MANUFACTURING MEDIA WASHING MACHINES, MOISTURIZERS AND EMULGENTS : en es
  • ES150955A1 - A DEVICE FOR LIFTING THE FORK OF THE TINTING TAPE : en es
  • USD132648S - Design foe a dress : en
  • CA405075A - Pump or motor gear : en fr
  • AU115198B2 - Improvements in or relating to gyratory crushers : en
  • CA405124A - Electric discharge device : en fr
  • AU115187B2 - A vibrator appliance for use in detecting the location of rattle on motor vehicles : en
  • CA405081A - Game : en fr
  • US2284788A - Electric light socket : en
  • DE721438C - Ring valve for compressors of refrigeration machines : de en
  • CA405077A - Cellulose derivative sheet manufacture : en fr
  • CA405078A - Fishhook : en fr
  • US2285129A - Container : en
  • US2284666A - Printing telegraph apparatus : en
  • US2285380A - Ferrule pinning machine : en
  • US2285242A - Manufacture of barium sulphate : en
  • USD132644S - Stricker convertible trouser-skirt : en
  • US2285014A - Method of forming a coupling : en
  • US2285205A - Hard metal body : en
  • ES150525A1 - IMPROVEMENTS IN THE MANUFACTURE OF A UNIVERSAL SOAP : en es
  • ES150761A1 - IMPROVEMENTS IN THE MANUFACTURE OF NUTS WITH CLAMPING FLANGE : en es
  • ES150812A1 - PROCEDURE FOR THE PREPARATION THROUGH PRESSING AND FILTRATION OF EXTRACTS OF VEGETABLES (AJOS, GUINDILLAS, ONIONS AND SIMILAR) FOR YOUR CONSERVATION IN YOUR NATURAL STATE : en es
  • GB545580A - Improvements in or relating to shuttles for small-ware or narrow fabric weaving looms : en
  • US2284751A - Resonant cavity device : en
  • ES149646A1 - IMPROVEMENTS IN MOBILE LUMINOUS FACILITIES BASED ON NEON GAS, INJECTED IN GLASS CONTAINERS : en es
  • ES149710A1 - IMPROVEMENTS IN MANUARES FOR MECHERAS : en es
  • DE721345C - Single-spindle, automatic lathe for machining drive shafts that are repeatedly offset and tapered at both ends : de en
  • ES150044A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BAGS FOR THE LADIES : en es
  • GB545546A - Improvements in lightning arresters : en
  • ES148007A1 - PROCEDURE FOR THE MANUFACTURE OF PLASTIC MATERIALS FROM INORGANIC SUBSTANCES : en es
  • ES150227A1 - A PERCUSSION ESPOLET FOR STRIPED ARTILLERY : en es
  • ES150509A3 - A DEVICE FOR THE SEPARATION BY CENTRIFUGATION OF GASES CONTAINED IN MOVING LIQUIDS, AND PARTICULARLY IN LIQUID FUELS FOR AVIATION ENGINES : en es
  • DE721299C - Process for the production of the magnetically effective iron of electrical machines by upright winding of a continuous, toothed sheet metal strip : de en
  • DE721364C - Electric ship propulsion with synchronous machines : de en
  • ES149472A3 - IMPROVEMENTS IN THE CONSTRUCTION OF HAND STAIRS : en es
  • ES150407A1 - NEW GASÓGENO : en es
  • ES149738A3 - A POLYGONAL DEPOSIT OF BARREL SHEETS : en es
  • GB545568A - Lathe and like tool posts : en
  • USD132627S - Design for a radiator for a sewing machine : en
  • ES149492A3 - A PROCEDURE FOR THE MANUFACTURE OF RUBBER FOOTWEAR : en es
  • ES149785A1 - ROTATING CONDENSER : en es
  • ES150191A1 - A DEVICE TO IMPROVE AIR IN CAMERAS, ESPECIALLY FOR CONSERVATION OF VÍVERES : en es
  • ES150393A1 - NEW PERFECT ADJUSTED CLOSURE SYSTEM FOR WINDOWS, DOORS AND ANY OTHER CLASS OF OPENINGS : en es
  • ES150962A1 - A FREE BOMB-MINE : en es
  • DE721377C - Run-up channel for the cooling beds of rolling mills : de en
  • ES149716A3 - IMPROVEMENTS IN THE MEANS TO REVEAL LOSSES IN ELECTRICAL INSTALLATIONS, PARTICULARLY IN HIGHWAY VEHICLES SUCH AS TROLLEY VEHICLES : en es
  • FR872279A - Remote indicating device, in particular for measuring liquid levels : en fr
  • GB545589A - Improvements in or relating to wrapped or packaged articles and method of making the same : en
  • US2284832A - Glassware lehr : en
  • ES149691A1 - SOME IMPROVEMENTS IN THE APPLIANCES TO TURNING MILLS OF ESMERIL : en es
  • ES150753A1 - A DETERMINATION DEVICE FOR THE INDUCTIVE EFFECT OF THE ELECTRICAL ENERGY FRAUD : en es
  • DE721433C - Liquid centrifuge for gas washer and cooler : de en
  • DE721384C - Device for guiding two different pre-pressure tracks for typewriters, typewriters and. like : de en
  • US2284624A - Fabricated structure for bicycle frames or the like : en
  • US2284834A - Article used for holding sheets of material together : en
  • US2284837A - Interconnector means : en
  • DE721301C - Steam system with steam boiler and single-fuel steam storage tank with water filling : de en
  • ES149464A1 - A MECHANISM OF IMPULSION FOR TUBES OF NOZZLE OF CLEANING APPLIANCES : en es
  • ES150712A1 - A MACHINE FOR CUTTING IN BEVEL THE LIMBS OF THE BELTS : en es
  • US2284988A - Motor vehicle : en
  • ES149817A1 - DEVICE TO CHANGE THE RACE OF THE HORSES IN RECTIFIED COLLECTION MACHINES : en es
  • ES150469A3 - CONSTRUCTION PROCEDURE FOR REMOVABLE TIRE FOR VEHICLE WHEELS : en es
  • ES150654A1 - SYSTEM FOR SPONTANEOUS CUTTING OF THE FIRE OF FLAMMABLE VAPORS, IN CHAMBERS, BODEGAS, SILOS, ETC., WHICH ARE USED TO STORE THE LIQUIDS THAT PRODUCE THEM : en es
  • ES150852A1 - SPEED METER DEVICE : en es
  • DE721318C - Disc for centrifugal machines exposed to overpressure on one side, especially bladed disc for radially loaded turbines : de en
  • US2285160A - Device for actuating the controls on aircraft : en
  • ES149391A3 - A SUPPORT FOR SHELVES : en es
  • ES150707A1 - A PROCEDURE, WITH YOUR DEVICE, TO REMOVE TISSUE PIECES : en es
  • ES150816A3 - A LIP BAR CASE : en es
  • ES149421A3 - A PROCEDURE FOR THE MANUFACTURE OF TRANSPARENT PAPER FOR GLASSES, IMITATING COLORED STAINED GLASSES : en es
  • ES150252A1 - A PROCEDURE FOR MANUFACTURING AN ORGANIC FERTILIZER FOR AGRICULTURAL USES : en es
  • US2284711A - Pipe cutting machine : en
  • FR872162A - Improvements to vehicles, in particular light vehicles : en fr
  • GB545550A - Improvements in or relating to internal combustion engines, reciprocating compressors and the like : en
  • ES149484A1 - HYGROQUIMIOTROPÍSTICO PROCEDURE FOR THE IRRIGATION AND FERTILIZER OF THE TREES AND PLANTATIONS : en es
  • ES150389A1 - A HYDRAULIC LAVABOTELLAS APPARATUS : en es
  • ES150416A3 - UNLOADER FOR ARTIFICIAL WIRE SPINNING MACHINES AND SIMILAR MACHINES : en es
  • ES149830A1 - AN IMPROVEMENT IN THE MANUFACTURE OF ROLLABLE BLINDS : en es
  • GB545520A - Improvements in or relating to adjustable propellers : en
  • ES148781A1 - A HEATING DEVICE WITHOUT RESISTANCE, APPLICABLE TO BURNERS, PLANKS, HEATERS AND OTHER ANALOGUE ELECTRICAL APPLIANCES : en es
  • ES149384A1 - IMPROVEMENTS CONTRIBUTED TO THE COMPRESSOR SYSTEMS OF GASEOUS FLUID, ESPECIALLY TO THOSE OF THE INTERNAL COMBUSTION ENGINES : en es
  • ES149473A1 - IMPROVEMENTS IN COMMAND OR GOVERNMENT TRANSMISSIONS FOR VEHICLES AND OTHER APPLICATIONS : en es
  • ES149980A1 - A PROCEDURE FOR THE FINISHING OF THE BUTTONS OF BOJ OR OTHER SIMILAR WOODS : en es
  • ES150743A1 - IMPROVEMENTS IN MOBILE GRID MECHANICAL LOADERS : en es
  • FR872288A - warm toe-bag pocket comforter : en fr
  • US2285221A - Valve : en
  • US2285320A - Steam engine valve : en
  • DE721426C - Process for patterning the surfaces of molded objects using glaze formers : de en
  • ES149361A3 - A PROCEDURE FOR EXTRACTION OF ALCOHOL FROM WINE FAECES : en es
  • ES149821A1 - IMPROVEMENTS INCLUDED IN DRY, ELECTRICALLY AND MECHANICALLY POWERED SHREDDING APPARATUS : en es
  • CA405082A - Internal combustion engine : en fr
  • ES149508A1 - A POROUS RUBBER DIAPHRAGM FOR ELECTRICAL ACCUMULATORS AND ANALOGUE APPLICATIONS : en es
  • FR872215A - Continuous drying device for pasta : en fr
  • ES149382A1 - FILLING DEVICE FOR ALL KINDS OF DEPOSITS BOTH THEIR BOTTOM WITH AUTOMATIC LEVEL LIMITATION : en es
  • ES150352A1 - PUMP FOR ELEVATING OR TRANSPORTING LIQUIDS : en es
  • ES150702A1 - FIXING DEVICE : en es
  • FR872228A - Shoe : en fr
  • ES150062A1 - IMPROVEMENTS IN THE SPOKE WHEELS : en es
  • ES150451A1 - REMOTEABLE AND ACCORDABLE ANTENNA FOR TRANSPORTABLE RADIOCOMMUNICATION APPARATUS : en es
  • GB545620A - Improvements in and relating to presses : en
  • ES149365A1 - REPAIR SYSTEM FOR RAILWAY WAGON CEILINGS : en es
  • ES150297A1 - A WORKING DEVICE FOR AUTOMATIC BALANCES : en es
  • ES150444A1 - IMPROVEMENTS IN TELEPHONE APPLIANCES : en es
  • FR872172A - Improvements made to the assembly of plates, flanges or other parts of capacitors : en fr
  • GB545577A - Improvements in electric signal detecting circuits : en
  • ES149406A1 - A PROCEDURE FOR THE CONVERSION OF HYDROCARBONS : en es
  • ES150950A3 - PROCEDURE FOR OBTAINING FURFUROL FROM CELLULOSE SULPHITE BLEACH : en es
  • DE721396C - Piston seal for internal combustion engines : de en
  • ES149864A3 - AN ELECTRIC WIPER SYSTEM : en es
  • ES150688A1 - A PROCEDURE TO MANUFACTURE MOVIES TO GIVE : en es
  • FR872238A - Process for obtaining light oils : en fr
  • ES149954A1 - MIXING AND SQUEEZING MACHINE FOR PULVERULENT SUBSTANCES : en es
  • ES150482A1 - A VALVE OF ELECTRIC DRIVE : en es
  • FR872263A - Air-cooled engine for vehicles : en fr
  • ES149842A1 - A PROCEDURE FOR THE MANUFACTURE OF RIZO TISSUES : en es
  • ES150376A1 - A PHOTOMECHANICAL COPY DEVICE : en es
  • DE721369C - Machine for making braided insulating cords : de en
  • DE721482C - Guide device for axially thirst-flow centrifugal machines, especially turbines and blowers for high temperatures : de en
  • ES150137A1 - APPARATUS FOR THE MANUFACTURE OF MOSTO CONCENTRATES, VACUUM, IN CONTINUOUS PRODUCTION : en es
  • FR872317A - Combined machine for dressing and polishing glass and other materials : en fr
  • ES149352A1 - A PROCEDURE FOR THE CONVERSION OF HYDROCARBON OILS : en es
  • US2284679A - Code tape printer : en
  • US2284811A - Folding table : en
  • US2284779A - Double acting cone dispenser : en
  • SE104674C1 - : en
  • US2285173A - Electric valve circuit : en
  • US2285216A - Apparatus for feeding pulverulent material : en
  • US2285359A - Phthalocyanine sulphonic acids : en
  • US2285369A - Automatic brake control : en
  • US2285329A - Preparation of 2-chloroallyl compounds : en
  • ES149375A1 - SOME IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC BURNERS : en es
  • US2284634A - Pneumatic piston pump, differential type : en
  • US2284998A - Model railway truck : en
  • USD132599S - Design for an accordion case : en
  • DE721409C - Device for swiveling connection channels on briquette cooling channel cabinets : de en
  • ES149556A1 - PROCEDURE FOR THE MANUFACTURE OF INSULATING PRODUCTS AND PRODUCTS MADE : en es
  • ES150610A1 - NEW MACHINE FOR MANDRILLING, RECTIFYING AND SMOOTHING : en es
  • US2285084A - Metal base for building walls : en
  • US2284664A - Shears : en
  • ES150107A3 - A SPECIAL SEMI AUTOMATIC LATHE FOR MANUFACTURING ROSARY BEADS, BALLS, BUTTONS AND SIMILAR OBJECTS : en es
  • ES149327A1 - NEW MECHANICAL SYSTEM OF PROPULSION THROUGH PEDALS FOR CARS AND LIGHT VEHICLES : en es
  • ES150051A1 - A PROCEDURE TO OBTAIN A DRYING PAPER OF THE WHEAT STRAW, WHICH MEETS THE NEW PROPERTIES OF NOT RUNNING A DROP OF INK ON IT, OR TRANSFERRING THIS PAPER : en es
  • ES150519A1 - IMPROVEMENTS IN THE CONSTRUCTION OF GUILLOTINE WINDOWS : en es
  • CA405152A - Support for double-walled container : en fr
  • ES149894A1 - MECHANICAL THERMAL PROCEDURE BASED ON GASIFICATOR SO THAT ANY GASOLINE OR VEHICLE ENGINE CAN WORK WITH HEAVY OIL : en es
  • ES149963A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • ES150335A1 - IMPROVEMENTS IN SHAVING MACHINES : en es
  • ES150698A1 - GONIÓMETRO FOR INSTALLATIONS OF ARRUMBAMIENTO : en es
  • ES150130A2 - IMPROVEMENTS MADE IN THE PURPOSE OF PATENT NUMBER 149943 : en es
  • ES150699A1 - IMPROVEMENTS IN THE MANUFACTURE OF SUBSTITUTE DENTURE PARTS : en es
  • US2284675A - Variable speed device : en
  • US2284769A - Heat exchanger : en
  • US2285250A - Normalizing and tempering oven : en
  • US2285316A - Switch construction : en
  • USD132614S - Design for a clothesline reel : en
  • GB545553A - Improvements in or relating to the manufacture of unsaturated compounds : en
  • ES149704A1 - CHANGE OF MARCHES : en es
  • ES150847A1 - A PROCEDURE FOR THE CONSTRUCTION OF RUBBER SPRINGS FOR VEHICLES, ESPECIALLY FOR RAILWAYS : en es
  • ES149414A3 - A LUBRICANT DISTRIBUTOR : en es
  • ES149708A1 - SOME IMPROVEMENTS IN THE PROCEDURE TO REGENERATE THE RECORDINGS OF ARRAPE IN THE USED BANDS OF CARS AND TRUCKS : en es
  • ES149901A1 - MAGNET FOR TESTING MATERIALS : en es
  • ES150827A3 - ONE GASOGEN FOR ALL CLASSES OF COALS AND FOR AUTOMOBILE AND TRUCK APPLICATION : en es
  • FR872192A - Machines for the reproduction of recording elements and for the verification of such reproduction : en fr
  • US2285026A - Cast refractory block : en
  • ES147371A1 - Procedure for obtaining derivatives of diphenylsulfone. : en es
  • ES150478A3 - AN ENVIRONMENTAL PERFUMER SYSTEM : en es
  • FR872174A - Positive closing hinged door mounting system : en fr
  • FR872264A - Slit filter for all liquids made up of a series of groups of filter blades arranged eccentrically with respect to each other : en fr
  • FR872290A - Device for gasifiers operating with coal or wood : en fr
  • FR872342A - Extendable luggage rack for cycles and motorcycles : en fr
  • FR872381A - Process for recording sounds and making these recordings : en fr
  • DE721378C - Submersible or underwater torches : de en
  • US2284919A - Haystack saw : en
  • US2285024A - Sample taking apparatus : en
  • US2285117A - Mowing attachment for trucks : en
  • US2285254A - Shoe construction : en
  • US2285255A - Filament testing apparatus : en
  • ES149374A3 - A PROCEDURE FOR FILLING WITH ANTI-FRICTION METAL BEARINGS, ESPECIALLY CONNECTING ROD AND CRANKSHAFT BEARINGS OF ENGINES : en es
  • ES149575A1 - A MANUFACTURING PROCEDURE FOR CURTIFIED AND SCRAPED SKINS, STAYING THE PART OF THE DYED AND AGGRAVATED MEAT : en es
  • ES149962A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • ES150622A1 - PROCEDURE FOR OBTAINING TETRAKISAZOIC COLORS : en es
  • DE721455C - Door for long industrial ovens : de en
  • US2284928A - Confection handling mechanism : en
  • FR872398A - Device for fixing photographs or other images in albums with a view to their storage and conservation : en fr
  • US2284635A - Staple fiber preparation : en
  • US2285374A - Push button for radio apparatus : en
  • US2284870A - Telephone system : en
  • US2285289A - Card punching machine : en
  • ES149614A1 - A PROCEDURE AND SUBSEQUENT MANUAL OR MECHANICAL SPARTO HILATURE : en es
  • ES150102A1 - A COVER FOR ELECTRICAL MINING LAMPS, WITH CONTACT PLATE, REFLECTOR, INCANDESCENT BULB AND PROTECTIVE HOOD : en es
  • GB545524A - Improvements in and relating to the manufacture of colouring matters : en
  • ES149607A3 - A PROCEDURE TO IMPROVE THE DYING OF COTTON FIBERS : en es
  • ES149404A1 - A PROCEDURE TO CHROME IRON OR STEEL OBJECTS : en es
  • ES149489A1 - A PERFECTION IN THE TISSUE FOLDER : en es
  • FR872251A - Sheet with preprinting for accounting, loose-leaf : en fr
  • DE721361C - Derailleur control with an auxiliary motor : de en
  • DE721399C - Device for actuating taps with liftable cocks : de en
  • GB545646A - Improvements relating to agricultural mowing machines : en
  • ES149507A1 - IMPROVEMENTS IN THE MANUFACTURE OF PLATES OF PRECINTABLE NUMBERS FOR BARRELS : en es
  • FR872258A - Elastic suspension and sidecar control for motorcycles : en fr
  • ES149493A1 - DYING PROCEDURE ON CHROME LEATHER AND VEGETABLE WITH SULFUR DYES : en es
  • ES150749A1 - A BED AND TENSION DEVICE FOR BUILDING LONG BODIES OF ARMED CEMENT WITH ARMORED ARMOR : en es
  • US2285078A - Sliding car door : en
  • US2284977A - Parking meter : en
  • ES150771A1 - ARTILLERY PIECE WITH LOADING SLIDER ON THE ROCKER : en es
  • US2284844A - Parking windshield cleaner : en
  • DK59823C - Process for the production of superphosphate with increased phosphoric acid content. : da en
  • DE721465C - Charging fan for an internal combustion engine : de en
  • ES150954A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 150918 : en es
  • FR872244A - Process for producing chrome coatings by diffusion on iron or steel : en fr
  • ES149719A3 - TRUCK FOR MOBILE STOCK : en es
  • USRE22107E - Wheel : en
  • USD132647S - Design fob a dress : en
  • ES149453A1 - IMPROVEMENTS IN EXPLOSION AND COMBUSTION ENGINES : en es
  • DE721330C - Arrangement for remote control by power interruption : de en
  • DE721404C - Electric musical instrument : de en
  • DK59829C - Electron Optic System for cathode ray tubes, in particular for television purposes. : da en
  • ES150246A1 - A REFLECTOR FOR ULTRACORTAL WAVES, ESPECIALLY DECIMETRIC WAVES : en es
  • ES150473A1 - IMPROVEMENTS IN THE DEVICES OF ADMISSION OF FUELS IN THE EXPLOSION ENGINES : en es
  • CA405153A - Magnesium and alloy coating production : en fr
  • USD132598S - Piotraschke barber chair : en
  • CA405198A - Torpedo tube rear door : en fr
  • ES149664A1 - A PROCEDURE FOR THE OBTAINING OF DESIRED MILK : en es
  • ES150048A1 - A PROCEDURE FOR THE MANUFACTURE OF ACCESSORIES FOR ELECTRICAL INSTALLATIONS PROTECTED BY TYPES OF BERGMANN PIPES : en es
  • US2284687A - Means for controlling the charge of internal combustion motors : en
  • US2285008A - Valve stem : en
  • US2285121A - Switch : en
  • US2285125A - Flash lamp : en
  • US2285005A - Body and fender hammer : en
  • US2284836A - Phonograph : en
  • US2285266A - Impeller for blowers : en
  • USD132615S - Design fob a building block : en
  • ES149606A1 - PROCEDURE AND INSTALLATION FOR GAS TURBINES TO PRODUCE A MOMENT OF DRIVE THAT INCREASES WHEN THE SPEED IS DECREASED : en es
  • ES149667A3 - PERFECTIONS IN THE MANUFACTURE OF EBONITE COMBS : en es
  • ES150178A1 - DEVICES FOR INDICATING THE GEOGRAPHICAL POSITION OF A DEFECTIVE CABLE REPEATER UNDERWATER : en es
  • ES150571A1 - IMPROVEMENTS IN APPLIANCES FOR THE OBTAINING OF CONTINUOUS GLASS STRIPS, DRAINED OR POLISHED : en es
  • ES150990A1 - A TENDERING MACHINE FOR THE MANUFACTURE OF CONCRETE BLOCKS : en es
  • US2284755A - Coin collector apparatus : en
  • US2284772A - Production of improved titanium pigments : en
  • US2284799A - Lubricant distributor : en
  • US2284959A - Carton : en
  • ES150507A3 - A SWITCHING DEVICE FOR TWO-SPEED MECHANISMS, ESPECIALLY DESIGNED TO GIVE THE LOAD TO AVIATION ENGINES : en es
  • ES150607A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF METAL SOMMIERS : en es
  • ES149973A1 - CONTINUOUS OPERATION PRESS FOR THE TRANSPORT AND USE OF MORTARS, CONCRETE AND SIMILAR CONSTRUCTION MATERIALS : en es
  • ES150157A1 - AN APPARATUS FOR PRESSING MIXED FORAGE : en es
  • ES150726A1 - IMPROVED IMPROVEMENTS IN THE FUSE PLUGS FOR SHORT CIRCUITS : en es
  • US2284831A - Mensuration instrument : en
  • ES149542A1 - A GASOLINE GAS APPLIANCE FOR SARDINE FISHING AND OTHER FISH SPECIES : en es
  • US2284778A - Sheet holder for beds : en
  • FR872175A - Crankset for cycles and similar vehicles : en fr
  • FR872210A - Drainage pipe with installation device in the wall : en fr
  • ES149461A1 - NEW MODEL OF MACHINE TO BUILD CAR RADIATOR FINS : en es
  • ES150263A1 - A LIGHTING GAS CARBURETTOR OF LIGHTING OF LOW PRESSURE FOR BURNERS AND KITCHENS : en es
  • ES150381A1 - HYDRAULIC DEVICE FOR COMPRESSED AIR DRIVING : en es
  • ES150634A1 - PROCEDURE FOR MAKING HARD RESIN SOAP : en es
  • US2285351A - Rupture holder : en
  • US2285353A - Calculating machine : en
  • US2284694A - Phonetic verifier : en
  • DE721480C - Process for the preparation of 2,4,6-triamino-1,3,5-triazine (melamine) : de en
  • DE721487C - Electric mirror light : de en
  • ES149568A3 - PROCEDURE FOR OBTAINING GLASS POWDER : en es
  • ES150475A1 - SYSTEM ADJUSTMENT REGULATION FOR LOADED COMBUSTION ENGINES, WITH EXTERNAL IGNITION : en es
  • ES150649A1 - AN INSTRUMENT TO INDICATE THE LEVEL OF THE FLIGHT OF THE AIRCRAFT IN ORDER TO AVOID COLLISIONS WHEN THEY FLY IN A DEFAULT ADDRESS : en es
  • US2284990A - Method and apparatus for electrical prospecting : en
  • US2285234A - Loose leaf binder : en
  • ES150400A2 - IMPROVEMENTS MADE IN THE OBJECT OF PATENT NUMBER 149,596 : en es
  • ES149988A1 - A PROCEDURE FOR ADAPTATION OF EXTRADELGED CELULOID TAPES TO THE MANUFACTURE OF BALLENITES FOR SHEARS AND OTHER SIMILAR USES : en es
  • ES149921A1 - PROCEDURE FOR THE PREPARATION OF MOLDED MEDICINE PREPARATIONS : en es
  • ES150621A1 - PROCEDURE OF INSTALLATION OF GRADUABLE GATE IN CHANNELS OR WATER TAKES, TO STOP THE GRAVEL, PROVOCATING ITS TRAILER : en es
  • US2285092A - Goniometer : en
  • USD132625S - Shaving bowl or similar article : en
  • US2285338A - Centrifugal blower : en
  • ES150330A1 - A ELASTIC SUSPENSION OF DRIVE TRANSMISSIONS AND ESPECIALLY OF DIFFERENTIAL BOXES : en es
  • US2284744A - Sound recording : en
  • DE721357C - Machine for mounting guide rings on smaller caliber projectiles : de en
  • FR872151A - Spare cartridge device forming detacher pad and other : en fr
  • GB545541A - Improvements in or relating to travelling cranes and the like : en
  • ES150931A1 - PROCEDURE FOR THE TREATMENT OF METAL PIECES OF BULK THAT MUST BE COLORED, ESPECIALLY OF CLOSURES OF ZIPPER CLOSURE : en es
  • DE721421C - Process for the production of side-gusseted bags : de en
  • US2284975A - Article delivery mechanism : en
  • USD132612S - Design for a compact : en
  • US2285115A - Method of manufacturing chrome yellow pigments : en
  • ES150076A3 - IMPROVEMENTS IN ARTIFICIAL TEETH AND IN THEIR MANUFACTURE : en es
  • ES150733A3 - PERFECTIONS IN COMPRESSED AIR DRIVEN DRILLING HAMMERS : en es
  • FR872353A - Finishing of fibrous materials : en fr
  • DE721452C - Electric tube incandescent lamp with smooth filament, especially for optical purposes : de en
  • FR872374A - Device for converting two bicycles into a tandem : en fr
  • DE721209C - Circuit arrangement for loop lines with closed-circuit operation : de en
  • ES150684A1 - AN APPARATUS FOR THE PRODUCTION OF ELECTRICAL ENERGY, THROUGH AIR PRESSURE : en es
  • ES149407A1 - A PROCEDURE FOR THE TREATMENT OF CONVERSION OF HYDROCARBON OILS : en es
  • ES149485A3 - A PROCEDURE FOR THE MANUFACTURE OF METAL WHEELS FOR MECHANICAL TRACTION VEHICLES : en es
  • ES150312A1 - IMPROVEMENTS IN THE MANUFACTURE OF SWITCHES FOR RADIO APPLIANCES : en es
  • ES150840A1 - A MACHINE TO START AND SEPARATE THE HAMLEJO OF THE ALMOND : en es
  • ES150064A1 - PROCEDURE FOR THE MANUFACTURE OF POOR FERROALATIONS IN CARBON, PARTICULARLY OF FERROCHROME : en es
  • ES150395A2 - SWINGING DEVICE FOR TOILET SEATS ELECTRICALLY MOVED BY AUTOMATIC TIME SWITCH : en es
  • GB545629A - Improvements in bearings for instruments : en
  • ES150655A1 - PROCEDURE FOR THE PREPARATION OF ALKYLIZED 1,4-NAPHYDROQUINONE ACID ETHER SALTS : en es
  • US2285123A - Oil separator and method of use : en
  • US2284809A - Apparatus for transporting oil through pipe lines : en
  • US2285327A - Car retarder for railroads : en
  • ES150070A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT, NUMBER 147,756 : en es
  • ES150979A1 - A PROCEDURE FOR THE MANUFACTURE OF DEXTRINOMALTEED FLOURS OF BONIATES AND POTATOES INTENDED FOR DOMESTIC USES : en es
  • CA405189A - Reinforced engine cylinder : en fr
  • CA405154A - Magnesium and alloy coating production : en fr
  • US2284957A - Theater seat back : en
  • US2284997A - Fuel indicator : en
  • ES150187A2 - A PROCEDURE FOR SLIDING THE WATER : en es
  • ES150917A1 - PROCEDURE TO PRODUCE ANTI-CORROSIVE OXIDE LAYERS ON LIGHT METALS AND THEIR ALLOYS : en es
  • DE721292C - Switching device for cartridge belts on automatic firearms : de en
  • DE721470C - Device for utilizing the heat contained in the exhaust gases of the internal combustion engine of a vehicle, in particular an aircraft, for heating purposes : de en
  • DE721486C - Main current release : de en
  • US2285356A - Manufacture of cartons : en
  • USD132646S - Design fob a dress : en
  • US2284658A - Gas blast electric circuit breaker : en
  • USD132629S - Design fob a negative loader : en
  • AU115199B2 - Improvements in or relating to methods of preserving fresh meat products andthe improved meat products resulting therefrom : en
  • US2285367A - Voting machine : en
  • ES146939A1 - Process for the manufacture of furan derivatives of the pyrazolone series. : en es
  • US2285195A - Electrical system : en
  • ES149443A1 - PROCEDURE FOR THE MANUFACTURE OF A NEW INSECTICIDE TO COMBAT THE PESTS OF THE ORANGE : en es
  • ES150272A3 - A PROCEDURE FOR THE PERIODIC GENERATION OF COLD : en es
  • ES150778A1 - A DEVICE FOR THE OVERFLOW OF THE EXPLOSION ENGINES, OPERATING WITH POOR GAS : en es
  • ES150945A1 - AN LIGHTING DEVICE FOR MARITIME FISHING : en es
  • DE721385C - Welding wire for carbon arc welding : de en
  • CA405159A - Oil and gas well treatment : en fr
  • CA405107A - Electric stove : en fr
  • DE721464C - Device for displaying the current range of vehicles driven by internal combustion engines, in particular aircraft : de en
  • DE721098C - Device for transmitting the piston movement to a wobble element of a piston machine : de en
  • ES149585A1 - IMPROVEMENTS IN ELECTRIC SHOCK EQUIPMENT USING LUMINESCENT MATERIALS : en es
  • ES150195A1 - TRUCK WITHOUT FRAME, EQUIPPED WITH TWO ELECTRICAL TRACTION ENGINES, ESPECIALLY FOR VEHICLES ON ROAD : en es
  • ES150355A1 - ELECTRICAL ANGLE TRANSMISSION SYSTEM : en es
  • FR872235A - Process for classifying arsenic ores by foam flotation : en fr
  • US2285137A - Refrigerator shelf : en
  • USD132640S - Design foe a micrometer caliper : en
  • USD132658S - Design for a dress : en
  • ES149476A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRIC WATER HEATERS TO HEAT ACCUMULATION : en es
  • ES150145A1 - IMPROVEMENTS IN THE LABELING OF CINEMATOGRAPHIC FILMS : en es
  • ES150166A1 - A PROCEDURE FOR MANUFACTURING MANUAL AND WALL SLATES : en es
  • ES150542A1 - A PROCESS FOR MANUFACTURING A SPECIAL ANTI-SLIP AND ADHERENT FAT FOR TRANSMISSION BELTS : en es
  • US2284902A - Airplane : en
  • CA405134A - High speed relay system : en fr
  • DE721354C - Centrally sprung wheels swinging in two directions : de en
  • FR872164A - Process of agglomeration of products obtained with torrefied wood and the like : en fr
  • US2285139A - Record holder : en
  • US2285370A - Method of forming hollow articles : en
  • ES149867A1 - IMPROVEMENTS IN THE TELARES : en es
  • ES150080A1 - A DEVICE TO HEAT AND ESPECIALLY TO DISTILL DRY FUELS BY MEANS OF WASHING GASES : en es
  • ES150377A1 - MANUFACTURING PROCEDURE OF A TAIL FOR PAPER AND CARDBOARD LINES, AND MORE ESPECIALLY FOR THREAD PAPER LINES : en es
  • ES150876A1 - A DEVICE ADAPTABLE TO THE MACHINES OF CARVING AND POLISHING OPTICAL CRYSTALS TO CARRY OUT AUTOMATICALLY THESE OPERATIONS, FOR VERY STRONG THAT THE CONVEXA GRADUATION IS TO OBTAIN : en es
  • ES150921A1 - IMPROVEMENTS IN THE MANUFACTURE OF CLAWS TO RAISE LOADS : en es
  • ES149380A1 - APPLIANCE POWERED BY THE FORCE OF GRAVITY : en es
  • ES149371A1 - A CINEMATOGRAPHIC PROJECTOR FOR REDUCED WIDTH TAPES : en es
  • FR872392A - Process for producing silicon-containing surface layers on articles of iron or steel : en fr
  • FR872311A - Improvements to transmissions for motor vehicles : en fr
  • ES150561A1 - A SEWING MACHINE BELTS : en es
  • GB545527A - Improvements in or relating to apparatus for dyeing and similarly treating textile materials with liquids : en
  • DE721366C - Discharge vessel made of ceramic material, especially for small rectifiers : de en
  • ES149683A1 - IMPROVEMENTS IN THE MANUFACTURE OF HYDROGENATED FATS : en es
  • ES149638A1 - A MANUFACTURING PROCEDURE OF AN ANTIDETONANT SUPERCARBURANT : en es
  • ES149950A1 - A REFRIGERATOR CABINET : en es
  • ES150556A1 - A PROCESS FOR MANUFACTURING CEMENT TILES OF VARIABLE DIMENSIONS, DECORATED IMITATION TO MARBLE OR COATED : en es
  • FR872340A - New method of insulation applicable in particular to machines and electrical devices : en fr
  • US2285049A - Means for purging wells : en
  • US2285167A - Wire stripper : en
  • US2284953A - Drop seat garment : en
  • US2284956A - Die insert : en
  • US2285215A - Fluid compressor : en
  • US2285287A - Automatic control apparatus : en
  • DE721451C - Device for the continuous production of helical luminous bodies of electric incandescent lamps : de en
  • USD132623S - Design for a picture frame : en
  • ES149620A3 - NEW MANUFACTURING SYSTEM FOR PARALLEL PRESS SCREWS, IN ALL KNOWN FORMS, WHETHER THE JAWS AND THE SEAT ARE FIXED OR MOVABLE : en es
  • US2284840A - Fluid blast circuit breaker : en
  • DE721273C - Heating element for stoves : de en
  • US2284741A - Mold for forming parts of joints on : en
  • US2285038A - System for indicating electrical phase-shift characteristics : en
  • US2285305A - Valve : en
  • US2284940A - Snap action device : en
  • US2285184A - Pest control : en
  • US2285326A - Safety pilot : en
  • ES150504A3 - A PROCEDURE TO INCREASE THE CORROSION RESISTANCE OF ALUMINUM ALLOYS : en es
  • ES150543A1 - A PROCEDURE FOR THE MANUFACTURE OF FILMS OR GOLDEN LEAVES, PLATED OR COLORED, INTENDED FOR STAMPING IN COVERED BOOKS, ADVERTISEMENTS, CARNETS AND LABELING : en es
  • US2285057A - Smoker's pipe : en
  • US2285324A - Check valve operator : en
  • US2284756A - Automatic electric switch : en
  • ES149807A1 - AN APPLICATION MACHINE OF APPLE, MOVED BY ELECTRICITY, FOR THE MANUFACTURE OF CIDER : en es
  • ES150219A1 - FUEL GAS MANUFACTURER, USING FIREWOOD, WOOD, HAZELNUT, ALMOND HUSKS, OLIVE BONES AND OTHER VEGETABLE RESIDUES AND FUELS, WOOD CHARCOAL, COK, LIGNITES, BRIQUETTES, ANTHRACITS AND OTHERS, TO USE THE GAS PRODUCED IN ANY ENGINE CLASS OF GASEOUS OR LIQUID COMBUSTIBLES : en es
  • ES150499A1 - PERFECTED SYSTEM FOR THE FORMATION AND DOSING OF THE DETONATING MIXTURE IN THE EXPLOSION ENGINES : en es
  • GB545584A - Improvements in and relating to ignition plug connections for internal combustion engines : en
  • US2285256A - Pressure pump for oil wells : en
  • ES149621A3 - IMPROVEMENTS IN THE MANUFACTURE OF DYNAMOELECTRIC MACHINES FOR THE LIGHTING OF BICYCLES : en es
  • US2284843A - Control system : en
  • US2284924A - Tobacco-pipe reamer : en
  • US2284905A - Evaporative cooler : en
  • ES149752A1 - A PROCEDURE FOR THE MANUFACTURE OF HERMETIC CLOSURE FOR PACKAGING : en es
  • ES150725A3 - A PROCEDURE FOR THE MANUFACTURE OF STOCKINGS : en es
  • ES150961A1 - AN APPARATUS FOR THE REDUCTION OF LIQUIDS CONTAINED IN SPECIALLY CELLULOSE MATERIALS OR PAPER PASTE : en es
  • US2284942A - Box : en
  • US2285181A - Glass working machine : en
  • USD132603S - Design fob a press drill or the like : en
  • ES150183A1 - NEW MACHINE FOR THE MANUFACTURE OF ALL KINDS OF CEMENT TENTS : en es
  • AU115183B2 - Improvements in or relating toa. C. electric circuit-breakers ofthe gas-blast type : en
  • US2285015A - Dry shaver : en
  • US2284933A - Typing apparatus : en
  • US2285298A - Retort cleanout machine : en
  • US2285313A - Motorcycle stand : en
  • US2284999A - Heating system : en
  • ES149936A1 - AN IRRELENABLE DEVICE FOR ALL KINDS OF LIQUID CONTAINERS : en es
  • US2284730A - Textile machine : en
  • CA405132A - Speed regulating system : en fr
  • AU115194B2 - Wireline transmission : en
  • US2284728A - Braid : en
  • FR872265A - Steam generator : en fr
  • US2284849A - Book end : en
  • US2284970A - Method of growth control and carrier : en
  • FR872201A - Accounting and statistics machine : en fr
  • FR872385A - Armored car : en fr
  • GB545537A - Improvements in or relating to metal shearing machines and the like : en
  • US2284868A - Educational apparatus : en
  • US2284619A - Welding flux : en
  • US2284824A - Anchor nut and the manufacture thereof : en
  • ES150186A2 - A PROCEDURE FOR SLIDING THE WATER : en es
  • FR872246A - Temperature control system : en fr
  • DE721493C - Carriage with reversible machine gun : de en
  • ES145764A1 - A procedure for obtaining chrysene derivatives. : en es
  • ES149883A1 - A PROCEDURE THAT ALLOWS THE OBTAINING OF ASSIMILABLE PHOSPHATE PRODUCTS : en es
  • ES150218A3 - IMPROVEMENTS MADE IN THE AUXILIARY DEVICES OF DENTAL EQUIPMENT AND OTHERS : en es
  • ES150927A1 - A PROCEDURE TO ENNOVE ALUMINUM ALLOY ALLOYS : en es
  • FR872371A - Devices for supplying combustion engines with all gaseous fuels : en fr
  • US2285358A - Coil cradle : en
  • US2285141A - Automatic electric toaster : en
  • ES149882A1 - A PROCEDURE FOR OBTAINING A PLASTIC MATTER BASED ON SPIDER CELULOSE OR CELLULOSE OF THE VINE SARMIENTO : en es
  • ES150313A1 - A PROCEDURE FOR THE MANUFACTURE OF SLEEPING FOOTWEAR, ESPECIALLY SUITABLE FOR MILITARY : en es
  • ES149478A1 - A PROCEDURE FOR SETTING THE ATMOSPHERIC NITROGEN IN CONDITIONS OF BEING ASSIMILATED BY THE PLANTS : en es
  • ES149767A1 - IMPROVEMENTS IN MAZOUT OR SIMILAR MITERS, WITH SPRAYER AND ADJUSTABLE HOLES : en es
  • US2284790A - Wheeled track replacement unit for tractors : en
  • US2285116A - Printing plate : en
  • US2284746A - Grinding and classifying device : en
  • USD132606S - Design for a doorknob : en
  • US2285366A - Method of making terpene derivatives : en
  • ES150339A1 - A MOBILE INJECTOR, PROTECTED, FOR GAS HOMES : en es
  • ES149868A1 - IMPROVEMENTS IN THE MANUFACTURE OF WOODEN PEÑES : en es
  • ES150147A1 - IMPROVEMENTS IN THE ELECTRICAL LIGHTING FACILITIES : en es
  • ES150978A1 - MARKING TIME DEVICE WITH REGULATED ELECTRONIC CURRENT AT SPEED : en es
  • GB545654A - Improvements in or relating to fluid pressure motors : en
  • US2284864A - Return rail key assembly for stokers : en
  • CA405165A - Resonant circuit alignment securing method : en fr
  • US2285142A - Transmission : en
  • US2285174A - Carton : en
  • US2284673A - Electric heating system for garments and other objects : en
  • US2284708A - Fuel burner : en
  • US2284802A - Control system : en
  • US2284897A - Power transmission : en
  • US2284952A - Dispenser : en
  • ES150643A1 - IMPROVEMENTS IN THE CONSTRUCTION OF WATCHES : en es
  • ES149515A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • US2285089A - Resaturation cooler : en
  • CA405187A - Dough piece shaping machine : en fr
  • US2285027A - Drive control mechanism for windows : en
  • USD132622S - Combined clock and radio dial : en
  • US2284765A - Mixing apparatus : en
  • US2285007A - Shaft seal : en
  • US2285360A - Ash tray : en
  • US2285308A - Process for making wire or strips : en
  • USD132594S - Design for a building block : en
  • ES150775A1 - A NEW PROCEDURE FOR THE OBTAINING OF YEASTS INTENDED FOR BREADING : en es
  • AU148441A - Improvements inthe manufacture of corrugated asbestos cement sheets : en
  • US2284879A - Cashew nut shelling device : en
  • US2284907A - Refrigerating apparatus : en
  • AU52141A - Improvements in brake mechanism : en
  • AU152341A - Improved implement for working the soil : en
  • CA405166A - Wheel disc : en fr
  • US2285220A - Container : en
  • US2284644A - Electric switch : en
  • CA405115A - Substituted ethinyl carbinol production : en fr
  • CA405139A - Discharge lamp circuit : en fr
  • DE721370C - Method of depilation of skins or pelts : de en
  • DE721417C - Achromatic lens for imaging with electron beams : de en
  • ES150091A1 - A PRESS TO STICK REINFORCING VIRAS IN THE SHOES : en es
  • ES150638A3 - A PORTABLE APPARATUS FOR THE PRODUCTION OF ACETYLENE GAS : en es
  • ES150805A1 - A BOILER BOILER MACHINE : en es
  • FR872316A - Balanced control for cycle brakes : en fr
  • FR872327A - Device for conducting hot air inside a chimney ensuring its draft : en fr
  • FR872180A - Control unit for controllers and similar devices : en fr
  • DE721392C - Vice-like clamping device : de en
  • DK59837C - Carbon paper with backing. : da en
  • ES149855A1 - A NEW MECHANISM INTENDED TO FIX THE CLOSURE OF DOORS, WINDOWS AND SIMILAR : en es
  • ES150572A1 - IMPROVEMENTS IN THE PRESSES INTENDED FOR THE MANUFACTURE OF TILES, MOSAIC, CEMENT AND SIMILAR TILES : en es
  • ES150602A1 - A PROCEDURE FOR THE MANUFACTURE OF WHEELS FOR THE POLISHING OF MARBLE AND GRANITE : en es
  • ES149541A1 - PROCEDURE FOR THE CONTINUOUS MANUFACTURE OF WAVY GLASS SHEETS : en es
  • FR872271A - Wind capture device for captive balloons, aircraft, etc. : en fr
  • DE721497C - Cold storage : de en
  • ES150564A3 - GASOGENS, POOR GAS PRODUCERS, BASED ON WOOD FUELS : en es
  • ES150678A1 - A PROCEDURE FOR PREPARING COFFEE FOR CEREALS CONTAINING CAFFEINE : en es
  • US2284981A - Dehumidifying composition and method of preparing same : en
  • ES149718A3 - APPARATUS ABLE TO EXERCISE A CONSTANT REACTION IN ONE SENSE : en es
  • ES150134A1 - A CLOSURE VALVE FOR ELECTRICAL ACCUMULATORS, ESPECIALLY ALKALINE : en es
  • FR872153A - Trouser clip for cyclists : en fr
  • US2284911A - Musical instrument : en
  • ES149860A3 - A PROCEDURE FOR THE MANUFACTURE OF REFLECTIVE GLASSES TO RESIST THE HIGHEST VAPOR PRESSURES : en es
  • ES150199A1 - IMPROVEMENTS IN THE PROCEDURE FOR OBTAINING STARCHES AND STEMS : en es
  • CA405163A - Semi-bright nickel deposition : en fr
  • DE721390C - Bag for flat coils for treatment with high-frequency, especially short-wave electrical oscillations : de en
  • CA405083A - Tire recapping machine : en fr
  • US2284954A - Grinding wheel and truing mechanism feed : en
  • AU149741A - Improvements in or relating to ashtrays : en
  • ES149372A3 - PROCEDURE FOR MANUFACTURING CAPUCHIN GUIDES FOR PRINTING MACHINES : en es
  • ES149612A1 - A MOBILE WHEEL FOR CENTRIFUGAL PUMPS, TURBOFANS AND THE LIKE WITH INPUT FROM BOTH SIDES OF THE AGENT FOR IMPELER : en es
  • ES150353A1 - A IMPROVEMENT IN THE MOLDS WITH INDIVIDUAL HEATING CHAMBERS, INDEPENDENT, FOR THE MANUFACTURE OF RUBBER SOLE OR OTHER CLASS OF MATTERS OF THE EMPLOYEES IN THE MANUFACTURE OF VULCANIZED SHOES, BY DIRECT VULCANIZATION OF THE MATTER ON THE COURT : en es
  • ES150694A1 - NEW GASOGEN AND GAS WASHER, INVERTED COMBUSTION, TO BURN VEGETABLE FUEL OR CARBON : en es
  • US2285130A - Process for manufacturing alcohol : en
  • US2285187A - Cover and can handling device : en
  • US2285273A - Retaining device : en
  • CA405101A - Torpedo tube : en fr
  • DE721173C - Procedure for starting multi-stage free-flight piston engine compressors : de en
  • ES149733A1 - COMBUSTION AND INJECTION ENGINE : en es
  • ES150220A1 - INSTALLATION FOR THE PERFECTED MANUFACTURE OF A SPECIAL FIBER OF THE SPARTO : en es
  • ES150029A1 - A MANUFACTURING PROCEDURE FOR METALLIC CASTAÑUELAS : en es
  • FR872330A - Soap substitute : en fr
  • DE721443C - Tipping device for moving vehicles, in particular railway vehicles : de en
  • ES149899A3 - IMPROVEMENTS IN PRESSES FOR THE MANUFACTURE OF TRANSMISSION AND CONVEYOR BELTS : en es
  • FR872198A - Improvements in the production of a foaming substance which can be used as a substitute for egg white : en fr
  • US2284701A - Calculator : en
  • US2284853A - Unloading mechanism for trucks : en
  • US2285041A - Coating machine : en
  • ES149544A1 - IMPROVEMENTS IN LIGHTNING : en es
  • GB545608A - Improvements in tubular heat exchange apparatus for fluids : en
  • US2284641A - Heating and conveying mechanism : en
  • US2285300A - Concentration of caustic : en
  • ES149874A1 - APPARATUS AND PROCEDURE FOR THE EXTRACTION OF OILS TO THE PRODUCTS THAT ARE USED IN THE DISPOSAL OF THEMSELVES : en es
  • ES149910A1 - PROCEDURE FOR THE OBTAINING OF CEMENTS RESISTANT TO THE ACTION OF THE ACIDS : en es
  • ES149369A1 - IMPROVEMENTS IN THE BRAKE MECHANISMS : en es
  • ES150935A1 - EQUIPMENT TO ENRICH, BY CARBIDE ACETYLENE, THE POOR GAS PRODUCED BY CARBON DISTILLATION, ADAPTABLE TO INTERNAL COMBUSTION ENGINES : en es
  • FR872191A - Method and device for analyzing characters (letters and numbers) by photoelectric reading : en fr
  • US2285294A - Treatment of hydrocarbons : en
  • USD132592S - Design foe a badge oe the like : en
  • ES149609A1 - A PROCEDURE FOR THE MANUFACTURE OF A LEATHER SUBSTITUTE WITH DEFIBRATED LEATHER WASTE AND AQUEOUS RUBBER DISPERSIONS : en es
  • ES149937A1 - A PROCEDURE FOR THE ASSEMBLY IN AIRCRAFT CAVITIES OF ELECTRIC LINES AND OF HYDRAULIC AND ENERGY MECHANICAL TRANSMISSIONS : en es
  • ES149433A1 - AN AIR POLLING INSTALLATION : en es
  • ES149509A1 - IMPROVEMENTS RELATED TO THE CONTROL OF INTERNAL COMBUSTION ENGINES WORKING IN TWO-STROKE CYCLE AND WITH COMPRESSION STARTING : en es
  • ES149843A1 - A SYSTEM OF CONSTRUCTION IN CONCRETE, ASSEMBLED OR WITHOUT ARMING, THAT ALLOWS TO DELETE THE WOODEN FORMWORK : en es
  • ES149617A1 - SYSTEMS OF CHANGE OF TELEPHONE COMMUNICATION : en es
  • ES150760A1 - A NEW ELECTRICAL HEATING SYSTEM APPLICABLE TO RADIATORS AND DEPOSITS IN GENERAL : en es
  • ES150996A1 - PROCEDURE FOR CONSTRUCTION OF FIGURES WITH TRIMMED SHEETS : en es
  • US2285312A - Switch and signal control system for railroads : en
  • ES150629A1 - A PROCEDURE FOR THE CONSTRUCTION OF CONTINUOUS CEILINGS : en es
  • ES149495A1 - AN APPARATUS, ADAPTABLE TO ANY DRIVING FORCE FOR THROWING : en es
  • ES150212A1 - STYLOGRAPHIC IMPROVEMENTS WITH A FIXED RUBBER SACK OR CONTAINER ON THE REAR END OF THE HANDLE, AND WHICH CAN BE REVERSED THROUGH A PISTON ROD : en es
  • FR872194A - Accounting or statistical machines controlled by color films : en fr
  • GB545545A - Method of and device for manufacturing composite structural members : en
  • ES150021A1 - PROCEDURE FOR THE PRODCUCTION OF COATINGS PERFECTLY ADHESIVE : en es
  • ES150411A1 - IMPROVEMENTS IN THE EXTERNAL PACKAGES OF THE ELECTRICAL CONDENSERS : en es
  • ES150414A3 - PROCEDURE AND APPARATUS FOR OBTAINING CELLULOSE WOOL : en es
  • ES150667A1 - A PROCEDURE FOR THE OLIGODYNAMIC STERILIZATION OF WINES, MUSTS AND BEERS : en es
  • ES150781A1 - AN APPARATUS FOR THE FILTRATION OF GAS PRODUCED IN GASOPHENES INTENDED TO FEED THE EXPLOSION ENGINES : en es
  • ES150461A1 - IMPROVEMENTS IN GASOLINE LAMPS FOR WELDING : en es
  • FR872300A - Cellulose bleaching process : en fr
  • ES149363A3 - FLOOR AND CEILING CONSTRUCTION SYSTEM USING NORMAL COATED EARTH PIECES : en es
  • ES149604A1 - A PROCEDURE TO JOIN SINGLE OR HARD SYNTHETIC RUBBER ON SUBSTANCES OF ANOTHER CLASS : en es
  • ES150003A2 - AN ELECTRIC CONVERTER : en es
  • GR9879B - DRYER APPLIANCE. : el en
  • ES150331A2 - TITLE DOES NOT APPEAR : en es
  • ES150089A1 - IMPROVEMENTS INTRODUCED IN THE MACHINES OF PICAR ESPARTO, BY WHICH THIS VEGETABLE IS TRANSPORTED AUTOMATICALLY, BY MEANS OF ENDLESS STRAPS, WITH TIPS, CONVENIENTLY DISTRIBUTES : en es
  • ES150156A3 - A PROCEDURE FOR THE MANUFACTURE OF ALUMINUM BLINDS : en es
  • FR872156A - Automatic gear change control device, in particular in lifts and freight elevators : en fr
  • ES148763A1 - INSTALLATION OF INTERNAL COMBUSTION ENGINE POWERED BY GAS GENERATOR : en es
  • ES149582A1 - A SYSTEM FOR MANUFACTURING A BLOCK WITH PROJECTS AND SIDE CAVIDES AND A PREVIOUS FLAT SURFACE FOR LACE PAVEMENTS : en es
  • GB545596A - Improvements in electric water heaters and heating elements therefor : en
  • ES150022A1 - MACHINE TO MAKE THE BOTTLE WASHING : en es
  • DE721281C - Haeufel- and stroking bodies : de en
  • ES150167A1 - MECHANISM TO MOVE AIR HEADS : en es
  • ES150249A1 - A DEVICE IN PRESSES TO MANUFACTURE MATERIAL OBJECTS OF ARTIFICIAL RESIN OR SIMILAR : en es
  • DE721303C - Ink feed device for rotary stencil printer : de en
  • ES150368A1 - MACHINE TO PREPARE THE HEIGHT SEAT OF A SHOE : en es
  • ES150567A1 - DEVICE APPLICABLE TO AUTOMATIC FIREARMS FOR THE REGULATION OF GAS PRESSURE DURING AUTOMATIC FOLDING CARTRIDGES : en es
  • ES150796A3 - GAS DRY METER : en es
  • US2284761A - Rubber lined article and method of making the same : en
  • DE721312C - Device for displaying the pressure in liquid containers, in particular fire extinguishers : de en
  • ES150259A3 - PROCEDURE FOR THE MANUFACTURE OF THE SUARDS (SUINTINAS) FROM THE WATER OR SOAPY PASTA OF THE WOOL LAUNDRY MACHINES : en es
  • ES150307A2 - MODIFICATIONS INTRODUCED TO THE GASOLINE SAVER APPLIANCE FOR EXPLOSION ENGINES : en es
  • ES150919A1 - ELECTROLYTIC PROCEDURE FOR PROTECTIVE LAYERS ON LIGHT METALS AND THEIR ALLOYS : en es
  • ES149571A1 - PROCEDURE FOR THE OBTAINING OF SULPHON DERIVATIVES : en es
  • ES150118A1 - SLEEVE DISTRIBUTION DEVICE FOR FOUR-STROKE INTERNAL COMBUSTION ENGINE, WITHOUT VALVES : en es
  • ES150119A2 - PROCEDURE FOR THE PREPARATION OF PERFECTLY ADHESIVE COATINGS AND SUITABLE FOR THIS PURPOSE : en es
  • US2285238A - Folding litter : en
  • ES148169A1 - MORTAR LOCK CLOSURE GRAIN OR ARTILLERY PIECE : en es
  • ES149522A1 - ONE TWO-STROKE START CONTROL FOR FOUR-STEP COMBUSTION MACHINES : en es
  • ES149685A3 - PROCEDURE FOR MANUFACTURING REFRACTORY PILLS FOR LIGHTING LIGHTS BY ACETYLENE OR OTHER GASES : en es
  • GR9882B - MULTIPLE MUSCLE TRAP SYSTEM. : el en
  • ES149344A1 - A PROCEDURE FOR THE MANUFACTURE OF DOUBLE COMPOUNDS OF THE JANTINA SERIES AND THE READY DISSOLVABLE PIRAZOLINE : en es
  • ES150351A1 - FAN OPERATION, ESPECIALLY FOR MOTOR VEHICLE MOTORS : en es
  • ES150859A1 - PROCEDURE FOR IMPREGNATING TUBES OR HOSES WOVEN WITH RUBBER LATEX OR DISSOLVING RUBBER OR OTHER PLASTIC MATERIALS : en es
  • ES150783A3 - A PROCEDURE FOR THE MANUFACTURE OF CALCIONAMIDE : en es
  • GB545575A - Process for the manufacture of diphenylacetophenone : en
  • ES149446A1 - IMPROVEMENTS IN GAS GASIFIERS, PARTICULARLY FOR MULTI-TUBULAR TYPES : en es
  • ES149645A1 - NEW SOUND PRINTING SYSTEM : en es
  • ES150384A3 - A PUMP WITH SEVERAL PLUNGERS, ESPECIALLY DESIGNED FOR FUEL DELIVERY IN EXPLOSION ENGINES : en es
  • ES150907A1 - A GASOGEN TO PRODUCE A PURE MOTOR GAS : en es
  • ES149385A1 - IMPROVED DEVICES FOR DELETING THE CARRIER FREQUENCY IN TRANSMISSION SYSTEMS : en es
  • ES150804A3 - A PROCEDURE FOR OBTAINING ALUMINUM ALLOYS : en es
  • FR872211A - Process for the production of objects made of artificial substances : en fr
  • DE721463C - Device for detecting leaks and external damage to pipelines carrying liquids or gases : de en
  • ES149655A1 - A PROCEDURE FOR THE MANUFACTURE OF PROTECTIVE PIPES OF ELECTRICAL POWER CONDUCTORS : en es
  • FR872305A - Fixed Scanning Diaphragm Image Analyzer Tube : en fr
  • US2284904A - Abrasive wire polisher : en
  • DE721340C - Protection device for piles standing in the water : de en
  • ES145925A1 - An automatic device for dosing gas mixtures. : en es
  • US2284645A - Air pump or compressor : en
  • US2284760A - Stoker furnace : en
  • DE721431C - Support, assembly support or pit stamp : de en
  • ES149420A1 - A PROCEDURE FOR MANUFACTURING A SEMI-SOLID FUEL : en es
  • ES150549A3 - SWIVEL POINT FOR LATHES AND GRINDING MACHINES : en es
  • GB545593A - Improvements relating to vehicles for use in levelling and clearing land : en
  • ES150185A2 - A PROCEDURE FOR SLIDING THE WATER : en es
  • ES150666A1 - A REGULATING DEVICE FOR MOVABLE CORNERS OF AIRPLANE RIDERS : en es
  • ES149595A3 - PROCEDURE AND DEVICE FOR TEMPERING PLATES, SHEETS AND OTHER GLASS OBJECTS : en es
  • ES149775A1 - A PROCEDURE FOR THE CONVERSION OF NORMALLY GASEOUS HYDROCARBONS : en es
  • ES150660A1 - IMPROVEMENTS IN THE CONSTRUCTION OF WOODEN SEATS FOR RETREAT MUGS : en es
  • US2284881A - Torpedo tube : en
  • US2284968A - Piezoelectric crystal apparatus : en
  • ES147713A1 - A procedure to purify residual waters. : en es
  • ES149662A1 - IMPROVEMENTS IN FOOTWEAR MANUFACTURE : en es
  • ES150626A3 - NEW PROGRESSIVE DETONATORS : en es
  • ES150968A1 - A ROUND SLIDER DISTRIBUTOR FOR FOUR-STROKE COMBUSTION ENGINES : en es
  • ES147208A1 - Process for purifying or bleaching mixed yarns or fabrics. : en es
  • ES149564A1 - CHEMICAL PROCEDURE TO USE THE FILAMENTS OF THE LEAVES, STEMS AND TRUNKS OF PLANTAINS AND TO APPLY THEM IN REPLACEMENT OF ALL TEXTILE FIBER : en es
  • USD132607S - Design for a brush : en
  • US2285009A - Interpolyamide : en
  • AU115195B2 - Fuel-injection compression-ignition engines : en
  • CA405181A - Spray oil composition : en fr
  • ES150747A1 - A PROCEDURE FOR THE MANUFACTURE OF A NEW DECORATIVE PRODUCT BASED ON CRYSTAL AND A SPECIAL PASTA : en es
  • ES150949A1 - PROCEDURE FOR THE MANUFACTURE OF METALLIC BODYWORKS FOR VEHICLES BASED ON STAMPED AND STRETCHED PROFILES : en es
  • FR872218A - Improvements made to generators for gasifiers : en fr
  • US2284787A - Filter : en
  • DE721321C - Device for the automatic regulation of heating, especially for railway vehicles : de en
  • US2284775A - Ultra violet light source : en
  • US2285114A - Coffee making apparatus : en
  • ES150884A1 - A GASOGEN FOR VEHICLES : en es
  • US2284681A - Recording and exhibiting mechanism : en
  • US2285318A - Apparatus for polishing glass : en
  • CA405099A - Engine fuel feeding device : en fr
  • ES150176A1 - PROCEDURE AND THERMAL COMPENSATION DEVICE : en es
  • ES150833A1 - A PROCEDURE FOR THE OBTAINING OF A UNION MATERIAL : en es
  • ES149423A1 - IMPROVEMENT IN POLYGONAL DEPOSITS OF TONEL SHEETS : en es
  • ES149878A1 - AUTOMATIC BALANCE : en es
  • ES150764A1 - SPANISH GASOGEN, GENERATOR, REFRIGERATOR AND FILTER : en es
  • US2284972A - Work support and hold-down mechanism : en
  • US2285274A - Magnetizing apparatus : en
  • CA405202A - Cellulose fabric processing : en fr
  • ES150284A1 - AN APPARATUS FOR OBTAINING INDIRECT PHOTOGRAPHS BY A FLAT-MADE FLAT MIRROR PROJECTOR IN THE SENSE OF THREE COORDINATED AXES : en es
  • ES150894A1 - A GASOGEN : en es
  • US2284863A - Permanent hair wave indicator : en
  • US2285080A - Lock nut : en
  • US2284628A - Can marking machine : en
  • US2284690A - Screw and lock washer assembly machine : en
  • DE721478C - Device for simultaneous bending back of the flanges or flange ends of double-T-shaped profile iron erected during the rolling process : de en
  • US2284781A - Hopper : en
  • US2284789A - Mill for granulating and pulverizing coffee : en
  • US2285156A - Electric toaster : en
  • ES150505A3 - A PROCEDURE TO INCREASE THE STRENGTH PROPERTIES OF PLATED ALUMINUM ALLOYS : en es
  • ES150433A3 - A DYNAM FOR BICYCLES AND SIMILAR APPLICATIONS : en es
  • ES150695A1 - AN OVEN : en es
  • ES149811A1 - IMPROVEMENTS INTRODUCED IN PERFORATING PROJECTILES : en es
  • ES150784A1 - A PROCEDURE FOR MANUFACTURING INSULATING TUBES : en es
  • ES150012A1 - FAST RUNNING COMBUSTION ENGINE : en es
  • DE721472C - Bonnet lock for motor vehicles : de en
  • FR872224A - Special support with movable plate for base plate for bicycle, tandem or similar brakes : en fr
  • FR872269A - Multiple rotary tool machine to cut branches or wood twigs : en fr
  • US2284685A - Preparation of phthalocyanine pigments : en
  • US2284921A - Casket sealing and locking means : en
  • DE721360C - Ventilation, especially for multi-room railroad cars : de en
  • DE721439C - Periodic absorption refrigeration machine : de en
  • FR872217A - Method and apparatus for ironing and treating certain garments and other articles, and linens used therein : en fr
  • DE721277C - Dishwasher : de en
  • ES150270A2 - MODIFICATION INTRODUCED IN THE PROCEDURE TO FORM AND JOIN THE LINKS OF THE BELTS OR CHAINS OF MOVEMENT TRANSMISSION : en es
  • ES150340A1 - A PROCEDURE FOR OBTAINING NO GREASE SOAP : en es
  • FR872389A - Movable connection of the automobile car body with the chassis or a set of axle components : en fr
  • GB545649A - Appliances for playing indoor table games : en
  • CA405129A - Dye image production : en fr
  • ES149359A3 - A PROCEDURE FOR THE MANUFACTURE OF INSULATING STAPLES FOR FLEXIBLE ELECTRICAL CONDUCTORS : en es
  • ES150170A1 - A NEW SYSTEM OF ASSEMBLY OR CONSTRUCTION OF BAGS AND PORTFOLIO-COINS FOR LADIES : en es
  • US2284841A - Plate feed and separator for tinning machines : en
  • US2285381A - Kitchen utensil : en
  • US2284651A - Method of and apparatus for making a variegated ice cream or similar substance : en
  • ES149727A1 - A PROCEDURE FOR THE MANUFACTURE OF BARROTES, BARS AND SIMILAR METAL, AND ALLOYS OF METALS OF ALL KINDS, WITH ELEVATED PROPERTIES OF QUALITY : en es
  • AU335841A - A vibrator appliance for use in detecting the location of rattle on motor vehicles : en
  • ES149505A1 - A CHANGE OF FRICTION SPEEDS : en es
  • USD132590S - Similab abticle : en
  • ES150018A1 - A CARBURETOR FOR EXPLOSION ENGINES : en es
  • ES150271A1 - A PROCEDURE TO OBTAIN FATS INTENDED FOR THE CONSERVATION AND ADHERENCE OF THE TRANSMISSION BELTS : en es
  • DE721305C - Glass feet for electron tubes or the like and process for its manufacture : de en
  • DE721395C - Cable feed for measuring projectiles : de en
  • DE721466C - Connection of a row of finned tubes of light metal coolers with the water chamber floors : de en
  • ES149926A1 - BRAIDED APPLIANCE OF ALL KINDS AND FIBERS : en es
  • ES150736A1 - SOME IMPROVEMENTS IN THE SPECIAL DEVICES OF THE PRESSES TO MANUFACTURE SOLE FOR LIGHTWEIGHT : en es
  • FR872320A - Acetylene gas generator device operating by vacuum : en fr
  • USD132620S - Design for a card container : en
  • ES149692A3 - IMPROVEMENTS IN MANNEQUIN MANUFACTURING : en es
  • ES150071A3 - PROCEDURE FOR THE MANUFACTURE OF HYDROPHUGES FOR MORTARS AND CONCRETE : en es
  • ES150298A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTICULATION PINS FOR BELT JOINTS : en es
  • ES150897A1 - DISCHARGE DISPOSAL FOR ULTRACORTAL WAVES, WHICH WORK WITH SPEED REGULATION : en es
  • FR872322A - Carburetor for gasifier gas : en fr
  • US2284773A - Method of forming thin articles : en
  • US2284878A - Runway marker light : en
  • US2285159A - Desk : en
  • ES149906A1 - EXTENSIBLE WINDSHIELD SYSTEM : en es
  • GB545594A - Improvements in and apparatus for the liquid treatment of yarn and the like : en
  • DE720727C - Typewriter, accounting machine or similar machine with an automatic totalizer : de en
  • US2284835A - Apparatus for producing small castings : en
  • US2284777A - Pickup mechanism : en
  • ES149408A1 - A PROCEDURE FOR DEVELOPING, IMPROVING, AND REGENERATING MIXED POLYMERIZES : en es
  • ES145763A1 - A procedure for obtaining azo condensation products. : en es
  • ES149943A1 - A FUEL INJECTION PUMP FOR EXPLOSION ENGINES : en es
  • ES150138A1 - IMPROVEMENTS INTRODUCED IN CELLULAR STRUCTURE BRICKS FOR THE TRAINING OUT OF WORK OF ARMED BEAMS FOR CEILINGS : en es
  • ES150727A1 - FORCED CIRCULATION VAPOR GENERATOR CONSTITUTED BY TUBULAR SERPENTINES : en es
  • US2285011A - Door mounting : en
  • US2285189A - Method of making packages provided with tearing strips : en
  • USD132588S - Emblem or similar article : en
  • ES149479A3 - PERFECTIONS IN THE MANUFACTURE OF ELECTRODES FOR ELECTRIC LAMPS : en es
  • ES150290A3 - IMPROVEMENTS IN THE CONSTRUCTION PROCEDURE OF SLOPE CLOSURES : en es
  • ES149581A1 - A WELDING APPARATUS OF WIND OF ZERO GRADES TO 300 AND MORE, FOR THE HEATING OF PLATES OF HYDRAULIC PRESSES OF VULCANIZATION CAUCHA : en es
  • ES149623A1 - A DEVICE TO MANUFACTURE TUBE CLOSURES : en es
  • ES149940A3 - AUTOMATIC TUNING PROCEDURE ON THE RADIO RECEIVERS : en es
  • ES150820A1 - PIPE-SCREW FOR IMMEDIATE RELIEF FOR SUBMARINE SHIPS : en es
  • ES149474A3 - A DOSING MACHINE : en es
  • ES149627A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF BUILDING MATERIAL FOR BUILDINGS : en es
  • ES150328A1 - DRIVING DEVICE FOR ELECTRIC TRUCKS : en es
  • ES149532A1 - PROCEDURE FOR THE MANUFACTURE OF ABRASIVE PAPER, SUITABLE FOR POLISHING EFFECTS TO VARNISH THE DUCK OR SIMILAR SYSTEMS : en es
  • ES149558A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 137,314 : en es
  • ES150342A1 - A PROCEDURE FOR THE CONVERSION OF HYDROCARBONS : en es
  • ES150802A1 - A CÁTODO OF SECONDARY MISSION AND PROCEDURE FOR ITS MANUFACTURE : en es
  • ES150093A3 - USE OF SULPHONITRIC MIXTURES WITH NEGATIVE WATER BALANCE FOR OBTAINING HIGH GRADUATION NITRATED PRODUCTS : en es
  • ES150216A1 - PROCEDURE FOR THE MANUFACTURE OF A NEW VULCANIZED FIBER SUBSTITUTE OF THE RUBBER, FOR FOOTWEAR AND OTHER PRODUCTS : en es
  • ES149395A1 - A MARTIN-SIEMENS OVEN WITH UNILATERAL FOOD : en es
  • ES149490A1 - A PROCEDURE TO TREAT SKINS WITH COPPER AND ANILINE SALTS : en es
  • ES149725A3 - IMPROVEMENTS IN THE MANUFACTURE OF BUTYL ALCOHOL AND ACETONE BY FERMENTATION OF GLUCOSE AND AMYLACEOUS MATTERS : en es
  • FR872140A - Assembly intended for supplying cathode ray tubes and more particularly iconoscopes : en fr
  • DE721434C - Device for treating solid, granular substances with liquids : de en
  • ES149659A1 - PROCEDURE FOR THE OBTAINING OF SULFUR AND SULPHATES : en es
  • ES150155A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FOOTWEAR WITH RUBBER SOLE : en es
  • ES149550A1 - PROCEDURE FOR OBTAINING A NEW ALLOY OF METALS THAT REPLACE THE EMPLOYEES TO DATE IN THE WORK OF DENTAL PROSTHESIS : en es
  • ES150008A1 - IMPROVEMENTS IN OR RELATIVE TO THE TURBINES FOR ELASTIC FLUIDS : en es
  • ES150201A3 - PROCEDURE FOR THE MANUFACTURE OF BLACKBOARDS, CALLED MANTECA, IN COLORS : en es
  • GB545582A - Improvements in and relating to elastic fabric for bandages and the like : en
  • CA405092A - Waste puller : en fr
  • CA405156A - Ray treatment for surfaces : en fr
  • ES149533A1 - APPARATUS TO INCREASE THE STATURE OF THE BODY : en es
  • ES150449A3 - MANUFACTURE PROCEDURE IN A SINGLE PIECE, OF THE TUBE AND CUPS THAT CONSTITUTE THE CENTRAL BODY OF THE BICYCLE AND SIMILAR PEDALS : en es
  • ES150759A1 - IMPROVEMENTS IN THE MANUFACTURING PROCEDURE OF ELECTRICAL CONDUCTOR PROTECTION PIPES : en es
  • ES150277A1 - A NEW PHYSICAL-CHEMICAL PROCEDURE FOR OBTAINING AN ADHESIVE PRODUCT : en es
  • ES150808A3 - CAUCHO DATES COVERED : en es
  • FR872275A - Automatic household scale : en fr
  • GB545638A - Improvements in exhaust openers and lap machines, scutchers and other machines used in the preparation of cotton and other fibrous materials : en
  • ES150324A2 - A COMBUSTION CHAMBER ARRANGED IN THE PLUNGER FOR DIESEL ENGINES : en es
  • ES149425A3 - IMPROVEMENTS RELATED TO LOCOMOTIVE HOUSEHOLDS : en es
  • ES149722A1 - DEVICE FOR THE DRAWING OF DOUBLE EDGES IN RECTIFIED MACHINES OF COLLECTION : en es
  • US2284866A - Arrangement for the manufacture of rubber hose : en
  • ES149703A1 - SOME IMPROVEMENTS IN THE DISPOSITION OF BURNERS FOR LIQUID FUELS : en es
  • ES150047A1 - A PROCEDURE FOR THE MANUFACTURE OF TUBES FOR THE PROTECTION OF ELECTRICAL INSTALLATIONS : en es
  • ES150838A3 - A MECHANICAL PROCEDURE FOR THE MANUFACTURE OF IRON AND STEEL PIPES : en es
  • ES150311A1 - IMPROVEMENTS IN THE MANUFACTURE OF RAYÓN : en es
  • GB545648A - Improvements in or relating to germicidal soap : en
  • FR872348A - Dust collector for gasifiers : en fr
  • US2285095A - Hot melt coating : en
  • DE721492C - Berth facility for warships : de en
  • ES149918A1 - IMPROVEMENTS INTRODUCED IN PHOTOGRAPHIC MACHINES : en es
  • ES150615A2 - AUTOMATIC CLEANING GASOGEN BY MELTING ASH AND INFUSIBLE NOZZLE : en es
  • DE721290C - Quickly towable targets : de en
  • ES149480A3 - A PROCEDURE FOR THE MANUFACTURE OF LID BOXES : en es
  • ES150723A1 - SOME IMPROVEMENTS IN THE CONSTRUCTION OF MIXERS FOR CHOCOLATES AND SIMILAR MOLDS : en es
  • FR872325A - Front or rear brake for bicycles, tandems or the like, with independent clamping elements controlled by drums and eccentrics : en fr
  • GB545559A - Improvements in fuel injecting means for internal combustion engines : en
  • US2284734A - Chimney wind protector : en
  • DE721460C - Device for monitoring work that has been performed at varying levels over time, especially on electricity, gas and water : de en
  • US2285059A - Process for preparing aldehydes : en
  • US2285073A - Water closet flushing apparatus : en
  • USD132633S - Exposure identifying tab for photographic cut film holder : en
  • ES150661A1 - A POWER SUPPLY FOR INTERNAL COMBUSTION ENGINES : en es
  • US2284833A - Method and apparatus for making knife handles and component parts thereof : en
  • US2285321A - Delivery table : en
  • DE721474C - Extendable vehicle, especially a caterpillar-powered battle vehicle : de en
  • ES149523A1 - A COMPLETELY AUTOMATIC DEVICE TO MAKE THE DOUBLE EDGE IN MACHINES TO MANUFACTURE GUN POINT : en es
  • FR872310A - Electronic optics system : en fr
  • ES149501A1 - IMPROVEMENTS IN FREQUENCY BAND FILTERS : en es
  • ES150552A3 - MECHANICAL APPARATUS TO SEW BELTS BY MEANS OF STAPLES : en es
  • FR872321A - Flexible tires for bicycle wheels : en fr
  • FR872400A - Improvements to electric devices with mobile equipment without mechanical torque : en fr
  • DK59827C - Tubular Electric Bulb or Discharge Tube. : da en
  • AU410040A - Improvements in or relating tothe prevention of caking or setting of ammonium nitrate or ammonium nitrate compositions : en
  • US2284749A - System for sound recording : en
  • ES149886A1 - A WARNING DEVICE IN A WRITING MACHINE TO ANNOUNCE THE END OF THE SHEET : en es
  • ES150825A1 - A VEGETABLE CARBON GASOGEN IN POWDER : en es
  • US2284801A - Commodity carrier : en
  • US2285098A - Method of making fiber plaster products : en
  • ES150106A1 - A MANUFACTURING PROCEDURE FOR OBTAINING CALO CARBONATE : en es
  • US2285218A - Automatic vending device : en
  • US2285213A - Knuckle joint : en
  • US2284851A - Electric welding machine : en
  • ES149672A3 - A PROCEDURE FOR THE CONSTRUCTION OF BODY HOLDING BODIES IN THE SHUTTLES : en es
  • ES150601A1 - PROCEDURE FOR THE CONVERSION OF MARINE SEAWEARS, UNITED TO HYDRAULIC PRODUCTS, IN PARTS USED FOR CONSTRUCTION MATERIALS : en es
  • US2284618A - Water treating apparatus : en
  • DE721327C - Pressurized gas nozzle switch : de en
  • ES150458A1 - A PROCESS TO SEPARATE MIXTURES ELECTROSTATICALLY : en es
  • ES146943A1 - Procedure for making fibrous materials hydrophobic. : en es
  • ES150242A1 - A METHOD FOR MAKING THERMOPLASTIC BLOCKS : en es
  • US2285337A - Process of producing sulphonated products : en
  • ES149600A3 - PROCEDURE AND DEVICES FOR THE MANUFACTURE OF V-BELTS : en es
  • FR872284A - Indicator caliber : en fr
  • ES147826A1 - Improvements in the method of establishing a connecting cable, or similar methods, between airplanes in flight. : en es
  • DE721473C - Chain link for motor vehicles : de en
  • US2284649A - Electrical control apparatus : en
  • US2285012A - Elastic-belt garment and making same : en
  • FR872176A - Special tilting table for X-ray examinations : en fr
  • DE721333C - Drying oils : de en
  • ES149470A1 - A PROCEDURE FOR CONSTRUCTION OF WHEELS FOR SKATES : en es
  • ES150713A1 - SOME IMPROVEMENTS IN GAS PRODUCTION FACILITIES FOR TRANSPORT VEHICLES : en es
  • ES150841A1 - SOME IMPROVEMENTS IN THE CONSTRUCTION OF MACHINES TO CRUSH MEAT : en es
  • ES150987A1 - A MOVABLE POINT MACHINE PEN, SUPPLIED WITH A PRESSURE HEAD AND LEAD GUIDE TUBE : en es
  • FR872384A - Card holder for tiered visible card file with transparent protective tab and pocket arrangement provided on some parts of the edges and on the hinge of the card holder : en fr
  • DE721444C - Magnetic motor with armature moving back and forth in a straight line to drive striking tools : de en
  • DK59824C - Superregenerative Receive Coupling. : da en
  • ES149440A1 - PROCEDURE FOR THE MANUFACTURE OF POWDERED AND STABLE CALCIUM CHLORIDE : en es
  • ES150875A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FILTERS FOR GAS GASES : en es
  • ES149367A1 - A NEW TYPE OF CARBURETOR WITH AUTOMATIC GAS DOSAGE (AIR MIXTURE AND ESSENCE) AND ALSO SPECIAL GRADUATION OF ESSENCES, USED INDISTINATELY, FOR GAS OR GAS-OIL : en es
  • ES149586A1 - PROCEDURE TO ADHER LUMINESCENT MATTERS TO GLASS WALLS : en es
  • ES150998A1 - IMPROVEMENTS IN GLASSES WITH PROTECTIVE CRYSTALS FOR HORSES : en es
  • US2284656A - Dynamoelectric machine : en
  • US2285034A - Cover for cable terminal housings : en
  • CA405080A - Baby diaper : en fr
  • DE721398C - Articulated line consisting of individual pipe sections joined together : de en
  • DE721477C - Incompletely polarizing polarizers : de en
  • US2285304A - Horn mounting : en
  • US2284776A - Microphoto indexing system : en
  • US2285382A - Master cylinder for brakes : en
  • US2284899A - Method of making mercury switches : en
  • US2284848A - Method and apparatus for drying glue : en
  • CA405191A - Humus fertilizer production : en fr
  • CA405085A - Tool handle reinforcing device : en fr
  • US2285063A - Garment folding apparatus : en
  • US2284637A - Polymeric carbamates and their preparation : en
  • ES150858A3 - A GASOGEN DEVICE : en es
  • US2285118A - Impedance measuring apparatus : en
  • US2284992A - Fertilizer distributing implement : en
  • US2285101A - Chuck : en
  • US2284846A - Trimming machine : en
  • US2285290A - Drier : en
  • CA405160A - Fender shield and support : en fr
  • DE721375C - Building body for pit construction : de en
  • ES150229A1 - PROCEDURE FOR OBTAINING PREPONDERANTLY MODULATED OSCILLATIONS IN THE FREQUENCY WITH FIRE AND MAGNETRON FIELD GENERATORS : en es
  • US2285192A - Control equipment : en
  • USPP525P - kose plant : en
  • US2284671A - Shaking device : en
  • US2285162A - Casing for conveying devices for snow removing mechanism : en
  • US2285335A - Embossed material and method of making the same : en
  • DE721476C - Chute drive by a compressed air motor : de en
  • DE721298C - Device for tensioning thread-like or band-shaped material, in particular rolling material, between two rolling frames : de en
  • ES149734A1 - CYLINDER WITH A FLEXIBLE MEMBRANE THAT SERVES PISTON : en es
  • ES150573A1 - A PROCEDURE TO OBTAIN MOLDING PRODUCTS IN COLD OF CINC ALLOYS : en es
  • CA405067A - Post hole auger : en fr
  • US2285357A - Processing of textile fibers : en
  • FR872357A - Improvements made to the saddles of bicycles, tandems or similar and motor bikes : en fr
  • GB545627A - Improvement in or relating to the tool carriers of lathes : en
  • US2285245A - Production of artificial filaments : en
  • CA405197A - Eye cup : en fr
  • AU46741A - Improved means for controlling the lifting gear of tractor-drawn agricultural implements : en
  • CA405203A - Electrode manufacture : en fr
  • CA405120A - Carbon black : en fr
  • CA405095A - Foldable screen enclosure for bed frames : en fr
  • USD132586S - Combined cabinet panel and catch operator : en
  • US2284816A - Rotary switch : en
  • US2284718A - Drive mechanism for shaker conveyers : en
  • US2285186A - Centrifugal switch : en
  • USD132601S - Design for a plate ob similar article : en
  • CA405094A - Electrical system for motor vehicles : en fr
  • FR872282A - Process for producing images suitable for television viewing : en fr
  • ES150880A1 - A NEW GASÓGENO : en es
  • ES149810A1 - IMPROVEMENTS INTRODUCED IN GAS TANKS : en es
  • US2285314A - Manufacture of catalysts : en
  • ES149938A1 - IMPROVEMENTS IN INTERNAL COMBUSTION ENGINES, IN A TWO-STROKE CYCLE : en es
  • ES150765A3 - IMPROVEMENTS IN THE CONSTRUCTION OF VALVES FOR AIR CHAMBERS : en es
  • ES150856A3 - IMPROVEMENT OF PROCEDURES FOR VARNISHING OR GLAZING WIRE OR PLATINUM : en es
  • DE721319C - Blade ring association : de en
  • US2284937A - Pipe fitting : en
  • US2285341A - Ash tray : en
  • USD132595S - Design for a stadimeter chassis : en
  • USD132659S - Design fob a dress : en
  • US2284874A - Moistening apparatus for duplicating machines : en
  • US2284626A - Sign : en
  • DK59832C - Device for tone reproducers for endless, band-shaped tone carriers. : da en
  • ES149549A1 - PROCEDURE FOR OBTAINING D-1-OXYBUTYLAMIDE-2 FROM D-LYSERGIC ACID : en es
  • ES149631A1 - PROCEDURE FOR THE TOTAL OR PARTIAL DISPOSAL OF VEGETABLES OF ALL KINDS AND SUB-PRODUCTS DERIVED FROM THEM, THROUGH THE SIMULTANEOUS COMBINATION OF VACUUM AND HEAT : en es
  • ES149641A1 - A PROCEDURE FOR OBTAINING PAPER AND PAPER PASTE : en es
  • ES150234A3 - AN AUTOMATIC TAPPING DEVICE WITH REVERSIBLE MOVEMENT ADAPTABLE TO ANY MACHINE : en es
  • GB545519A - Improvements relating to lubricating oil compositions : en
  • CA405131A - Arc discharge device : en fr
  • DE721496C - Cooling device with a double-walled vertical tube evaporator : de en
  • ES150210A1 - CONTROL MACHINE FOR AIR VEHICLES : en es
  • FR872179A - Load distributor for load wheels : en fr
  • US2285020A - Manufacture of basic refractories : en
  • US2285108A - Air conditioning apparatus : en
  • DK59836C - Apparatus for processing chocolate mass. : da en
  • ES148776A3 - PRESSURE GREASE GUN FOR AUTOMOBILE VEHICLES : en es
  • ES149805A1 - IMPROVEMENTS IN STATISTICAL MACHINES : en es
  • US2284830A - Shoe and shoe bottom parts : en
  • DE721346C - Device for raising and lowering the roller on a machine for straightening and bending belt staves : de en
  • US2284869A - Blowout preventer : en
  • USD132636S - Design for a baseball mitt : en
  • DE721418C - Electric roller seam welding machine in which two roller electrodes are connected to the rotatably mounted welding transformer : de en
  • US2284883A - Securing means for screen cloth : en
  • USD132597S - Design fob a doll or similar article : en
  • ES149766A1 - A PROCEDURE TO BUILD STEEL, LIGHT METAL OR ULTRALIGER PACKAGING, ZUNCHED WITH HIGH STRENGTH METALLIC THREADS, INTENDED TO CONTAIN OR COVER ALL TYPES OF HIGH PRESSURE GASES TO A SERVICE REGIME OF 20 TO 250 ATMOSPHERES : en es
  • US2285201A - Dynamoelectric apparatus : en
  • US2284845A - Repeating fuse : en
  • US2285280A - Gas analyzer : en
  • USD132626S - Design for a sewing machine frame : en
  • DE715224C - Cavity wall subdivided into adjacent individual cells, especially for hall construction : de en
  • ES149441A1 - AN AIR TRAIN FOR GREAT SPEEDS : en es
  • CA405122A - Electronic device : en fr
  • ES149543A1 - IMPROVEMENTS IN CARBON ROOF ROPES WITH AERODYNAMIC LINES COATING : en es
  • ES149831A3 - IMPROVEMENTS IN THE SANITARY FACILITIES OF TOILETS CALLED TO LA TURCA : en es
  • ES150686A3 - A PROCEDURE FOR PREPARING STARTING SUBSTANCES CONTAINING LITHIUM PHOSPHATE : en es
  • ES149413A1 - IMPROVEMENTS IN THE MANUFACTURE OF TUBES, ESPECIALLY OF SWEET IRON, WITH ANTI-CORROSIVE INTERIOR COATING AND INALTERABLE TO THE ACIDS : en es
  • ES149812A1 - PROCEDURE FOR THE OBTAINING OF FIBERS, MECHANICAL PASTES AND CELLULOSE FROM THE LEAVES AND STEMS OF WILD PALM TREES AND OTHER SIMILAR PLANTS : en es
  • ES150205A3 - A CALCULATING DEVICE : en es
  • ES150002A1 - PROCEDURE FOR THE EXTRACTION OF POTASE AND ALuMIN FROM MIXED ALUMINUM AND POTASSIUM SILICATES : en es
  • FR872209A - Improvements made to tortoiseshell, tortoiseshell imitation glasses and all plastic materials : en fr
  • US2284857A - Gas blast electric circuit breaker : en
  • US2285376A - Process of making forms : en
  • ES149378A3 - A PROCEDURE FOR THE MANUFACTURE OF CITRIC ACID BY FERMENTATION OF CARBON HYDRATES : en es
  • ES149511A1 - TELEPHONE GROUP CIRCUITS : en es
  • ES150985A1 - A PROCEDURE TO INCREASE THE DURATION OF THE HAMMER PERIOD OF HARD ALUMINUM ALLOY RIVETS : en es
  • FR872301A - Process intended to make fibrous materials finer : en fr
  • ES149681A1 - A NEW PROCEDURE TO CONVERT VEGETABLE FIBERS OF HEMP, ENEA, STRAWS, ALPHAS AND SIMILAR IN CELLULOSE SUITABLE FOR THE PREPARATION OF CARTONS AND PAPER IN THEIR DIFFERENT MODALITIES OF APPLICATION IN USE : en es
  • ES149972A3 - A SYSTEM OF EXPLOSION ENGINES APPLICABLE TO REDUCED MODELS OF AIRCRAFT, CANOES, AUTOMOBILES, ETC., AND OBTAINING VERY SMALL POWER : en es
  • ES150689A1 - NEW PROCEDURE FOR THE MANUFACTURE OF RUBBER STRAPS : en es
  • ES150934A2 - MODIFICATIONS INTRODUCED TO THE OBJECT OF THE PATENT OF INVENTION NuM. 150766 : en es
  • ES150031A1 - A RIGGED BODY FOR CARS : en es
  • ES150344A1 - A PROVISION FOR THE GUIDE OF THE HEADS OF EMBOLO IN THE FUEL INJECTION PUMPS : en es
  • ES150493A1 - A PROCEDURE FOR PREPARING A COMBUSTIBLE BODY FOR EXPLOSION ENGINES : en es
  • ES150603A1 - A PROCEDURE FOR THE MANUFACTURE OF WHEELS FOR POLISHING MARBLE, METAL AND METAL MATERIALS : en es
  • ES150589A1 - DELAYED INSURANCE FOR STRIPED PROJECTILE SPLITS : en es
  • ES149398A1 - IMPROVEMENTS IN THE MANUFACTURE OF TWO-STROKE ENGINES : en es
  • ES150369A1 - GASOGEN FOR AUTOMOBILE AND SIMILAR VEHICLES : en es
  • FR872377A - Apparatus for the carbonization of wood and other solid fuels : en fr
  • ES149366A3 - A MECHANICAL PROCEDURE TO OBTAIN THE SEPARATION AND ISOLATION OF TARTARIC MATTERS FROM WINE FAECES : en es
  • ES150042A3 - A SECURITY LATCH : en es
  • ES148956A1 - PROCEDURE TO OBTAIN NON-STEREOSCOPIC PHOTOGRAPHS THAT GIVE THE RELIEF SENSATION : en es
  • US2284722A - Grinding machine : en
  • US2285088A - Electric impulse generator : en
  • ES150483A1 - FIRE FIRE EXTINGUISHER OF THE TYPE OF INVESTMENT : en es
  • ES149467A1 - IMPROVEMENTS IN APPLIANCES FOR THE APPLICATION OF PNEUMOTORAX, PNEUMOPERITONEUM, PNEUMORRHNE OR SUBCUTANEOUS OXYGEN INJECTIONS, AND ANALOGS : en es
  • ES149573A1 - PROCEDURE FOR THE OBTAINING OF A NEW GLUCOSIDE, STARTING FROM THE RED MARINE ONION : en es
  • DE721347C - Device for rolling out a sugar mass cone : de en
  • ES149487A3 - AN APPARATUS FOR DETERMINING THE INTERNAL PRESSURE OF THE AIR CHAMBER OF THE TIRES : en es
  • ES150663A1 - USE FOR THREADING OR SPINDLE, WITH INDIVIDUAL ELECTRIC DRIVE : en es
  • ES149907A1 - A PROCEDURE FOR THE ELECTROLYTIC SEPARATION OF METALS : en es
  • ES149957A2 - MODIFICATIONS INTRODUCED TO THE AUTOMATIC BALANCE MECHANISM OBJECT OF THE PATENT OF INVENTION REQUESTED ON FEBRUARY 5, 1940 : en es
  • ES150576A1 - A MARKING INVESTMENT DEVICE FOR MARINE EXPLOSION ENGINES : en es
  • FR872302A - Attaching the film to the spool hub : en fr
  • FR872292A - Soft solder : en fr
  • DE721429C - Soft or semi-rigid turn-down collar : de en
  • ES149946A1 - IMPROVEMENTS IN ELECTRIC FURNACES DESIGNATED PARTICULARLY FOR THE FUSION OF GLASS OR VITREOUS MATERIALS : en es
  • FR872208A - Improvements to cycles, in particular to those in several places : en fr
  • FR872354A - Electrically powered bicycles, tandems or the like : en fr
  • ES150087A1 - AN ARRANGEMENT OF ANTENNAS, PREFERABLY INTENDED FOR AIRCRAFT : en es
  • US2284794A - Electric circuits : en
  • US2284859A - Scissors : en
  • CA405185A - Cellulosic material processing : en fr
  • ES149757A1 - NEW BLOCK BINDING PROCEDURE : en es
  • ES150161A1 - IMPROVEMENTS IN THE CONSTRUCTION OF PRESSURE GAS WELDERS, BY USE OF THE ATMOSPHERIC AIR : en es
  • ES150266A1 - A PROCEDURE FOR JOINING GLASS PIECES INTENDED FOR THE MANUFACTURE OF LAMPS AND ALL KINDS OF GLASS OBJECTS AND APPLICATIONS THEREOF : en es
  • ES147857A1 - Perfeccionamientos in motosegadoras. : en es
  • ES149674A1 - EQUIPMENT FOR LIGHTING OVENS : en es
  • ES150345A1 - IMPROVEMENTS IN THE CONSTRUCTION OF LIFTING OR LIFTING EQUIPMENT, ESPECIALLY IN THE USED DURING THE CONSTRUCTION OF WORKS : en es
  • ES150940A2 - AN ARRANGEMENT OF VALVES MANUFACTURED BY THE LUNGS FOR RESPIRATORY AND OTHER OXYGEN TREATMENT DEVICES : en es
  • GB545529A - Improvements in or relating to photographic materials : en
  • ES150059A1 - PROCEDURE FOR OBTAINING NEW QUATERNARY AMMONIA COMPOUNDS : en es
  • ES150236A1 - INSTALLATION OF HOT AIR PRODUCTION THROUGH CONSTANT PRESSURE COMBUSTION GAS TURBINES : en es
  • ES149891A1 - ARTICULATED METALLIC TRIANGLE, FOR THE PREPARATION OF THE SHOT OF THE CAMPAIGN BATTERIES : en es
  • ES149396A1 - PROCEDURE TO CORRECT DOMESTIC USE WATER : en es
  • ES150268A1 - PROCEDURE FOR THE MANUFACTURE OF A COFFEE SUBSTITUTE : en es
  • FR872223A - Dyeing process : en fr
  • GB545591A - Periodic wave repeaters : en
  • ES150431A1 - IMPROVEMENTS IN CINEMATOGRAPHIC FILM FEED APPARATUS : en es
  • ES150719A2 - AN IMPROVEMENT IN THE PROCEDURE FOR THE MANUFACTURE OF LEATHER, LEATHER OR FABRIC AND RUBBER FOOTWEAR : en es
  • FR872383A - Device applicable, in particular, to containers : en fr
  • ES149838A3 - A MECHANICAL PROCEDURE FOR THE CONSTRUCTION OF LIGHTERS FOR ACETYLENE GAS : en es
  • US2284806A - Collar clip : en
  • US2285061A - Coin-controlled machine : en
  • ES150467A3 - IMPROVEMENTS IN THE CONSTRUCTION OF RHEOSTATS : en es
  • ES142210A3 - Manufacturing process of a new mass derived from cocoa. : en es
  • ES149462A1 - A PROCEDURE FOR OBTAINING A SOLVENT PRODUCT FROM OLD PAINTS, EITHER OIL OR CELLULOSE, APPLIED ON METAL, WOOD OR STONE : en es
  • GB545626A - Improvements in and relating to diaphragms for pressure actuated apparatus : en
  • CA405155A - Electric prepayment meter : en fr
  • ES148570A3 - PRINTING AND STAMPING MACHINE : en es
  • ES150728A1 - A PROCEDURE FOR COATING, WITHOUT BUBBLES FORMING, CYLINDERS FOR PRINTING : en es
  • ES149326A1 - A COATING FOR THE THERMAL AND ACOUSTIC INSULATION OF PREMISES : en es
  • ES150197A1 - A SINGLE-SIDE BAND DIVERSITY RADIO RECEIVER SYSTEM : en es
  • FR872177A - Improvements to devices such as variable diameter pulleys : en fr
  • DE721437C - Process for the preparation of acidic esters of the alkylated 1,4-naphthohydroquinones : de en
  • ES150019A1 - A PULP MACHINE FOR FIBER EXTRACTION : en es
  • US2284676A - Method and machine for assembling washers with screw threaded fasteners : en
  • ES149377A1 - IMPROVEMENTS IN THE MANUFACTURE OF PECTIN COMPOSITIONS IN THE FORM OF DRY POWDER TO PREPARE JELLY OR SIMILAR PRODUCTS : en es
  • ES149448A1 - PROVISION TO REGULATE THE SENSITIVITY OF RADIO RECEPTORS : en es
  • ES149742A1 - A PROCEDURE FOR THE OBTAINING OF SULFAMID DERIVATIVES : en es
  • ES150354A1 - PROCEDURE FOR OBTAINING CONDENSATION PRODUCTS : en es
  • US2284703A - Method for continuously molding metals : en
  • US2284936A - Direction indicator means : en
  • US2284678A - Electric phonograph : en
  • DE721450C - Large transformer that can be moved by rail : de en
  • ES150228A1 - IMPROVEMENTS IN THE LUMINOUS BUOYS : en es
  • US2285236A - Stoker : en
  • ES149330A1 - A DEVICE FOR THE AUTOMATIC DISTRIBUTION OF OBJECTS : en es
  • ES149338A1 - A DEVICE APPLICABLE TO ELECTRICAL MANEUVER EQUIPMENT FOR RAILWAY SIGNAL INSTALLATIONS : en es
  • ES150221A1 - IMPROVEMENTS IN THE TREATMENT AND SMOOTHING OF GLASS THREADS, APPLIED TO ELECTRICAL CONDUCTORS : en es
  • ES150261A1 - A GASOLINE ECONOMIZING APPARATUS FOR EXPLOSION ENGINES : en es
  • DE721422C - Master cylinder for pressurized fluid systems, especially for pressurized fluid brakes of vehicles : de en
  • ES150452A1 - DEVICE FOR PROTECTING THE FLUORESCENT DISPLAY OF THE CATHODIC RAY TUBES THAT FORM PART OF TELEVISION RECEIVERS, OSCILLOGRAPHERS AND ANALOGUE APPARATUS, AT THE TIME OF THE EXCLUSION OF THEM FROM THE CIRCUIT : en es
  • ES150910A1 - IMPROVED ENGINE GAS ENGINES APPLICABLE TO AUTOMOBILE VEHICLES : en es
  • FR872213A - Improvement in carbonizing devices : en fr
  • ES149992A1 - IMPROVEMENTS IN THE PROJECTION LOAD OF THE ARTILLERY PIECES : en es
  • ES150770A1 - A CONTINUOUS OPERATING PRESS FOR THE MANUFACTURE OF AGGLOMERATED VEGETABLE AND ANALOGUE WASTE : en es
  • ES150977A1 - PROCEDURE TO RAISE THE CORROSION RESISTANCE OF WORK PIECES MADE OF MAGNESIUM AND ITS ALLOYS : en es
  • US2284621A - Electromagnetic relay : en
  • ES149711A1 - A PROCEDURE TO PRODUCE DIFFICULT LIQUID GAS MIXTURES : en es
  • ES149932A1 - MECHANICAL SAFETY SOCKS FOR ALL CLASS OF MECHANICAL TRACTION VEHICLES : en es
  • US2284719A - Arrangement for controlling the inductances of loop antennas : en
  • US2285039A - Blade for earth excavating and handling machines : en
  • ES150278A1 - PROCEDURE TO PREPARE THE CONDITIONING IN YOUR CONTAINERS OF DISSOLVED PRESSURE GASES : en es
  • ES150366A1 - A PERFECTED CARBURETOR : en es
  • ES150387A3 - AN INTAKE NOZZLE APPLICABLE TO GASOGENS THAT BURN ALL KINDS OF SOLID FUELS : en es
  • ES150766A1 - A PROCESS TO MANUFACTURE, THROUGH LAMINATE, IRON OR STEEL PLATES OR BANDS COVERED BY A COMPACT AND RESISTANT LAYER OF ALUMINUM, ALUMINUM, NICKEL, CHROME, TUMBAGA ALLOY AND SIMILAR ALLOYS USING A THIN INTERMEDIATE LAYER OF CINC : en es
  • FR872166A - Measuring wheel for pressureless liquid meter : en fr
  • GB545563A - An improved manufacture of pyrophoric lighters for cigarettes or the like : en
  • ES150349A1 - A PUMP, COMPRESSOR OR MOTOR FOR LIQUID OR GASEOUS WORK MEDIA : en es
  • ES150973A1 - PROCEDURE FOR THE EXTRACTION OF CAFFEINE AND TEINE IN COFFEE AND TEA, RESPECTIVELY : en es
  • ES150065A1 - IMPROVEMENTS IN THE APPARATUS OF APPARATUS AND TEACHING OF SHOOTING TO THE WHITE, FOR FIREARMS : en es
  • ES150334A1 - A PROCEDURE FOR MANUFACTURING CONSTRUCTION PARTS, SUCH AS PLATES, TUBES OR SIMILAR, MATERIALS THAT FRAGUE, FOR EXAMPLE, CEMENT : en es
  • ES150636A3 - A CAR ELEVATOR : en es
  • ES150836A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 144401 : en es
  • ES150881A1 - NEW PROCEDURE, WITH ITS CORRESPONDING DEVICES FOR THE IGNITION OF ADJUSTABLE IRON LAMPS : en es
  • US2285233A - Method of making dynamoelectric machines : en
  • FR872287A - Film drive system in motion picture projectors by means of rolling supports : en fr
  • ES149849A1 - IMPROVEMENTS IN THE MANUFACTURE OF SECURITY LOCKS : en es
  • ES150001A1 - PROCEDURE FOR OBTAINING A SYNTHESIS OF PETROLEUM AND ITS DERIVATIVES : en es
  • ES149563A1 - NEW WATER ELEVATOR SYSTEM : en es
  • ES150612A1 - IMPROVEMENTS IN THE PROCUREMENT OF PASTES, STARTING FROM POLYMERIZED VINYL CHLORIDE AND GELATINIZED FILMS PREPARED WITH THOSE PASTES : en es
  • GB545585A - Lifting jacks : en
  • GB545644A - Improvements in and relating to floor, roof and like constructions erected from pre-cast units : en
  • DE721458C - Compensation device for the ropes in multi-rope conveyor systems : de en
  • ES149944A1 - A DEVICE FOR THE RETURN AND ULTIMATE TREATMENT OF NEWLY ARTIFICIAL SILK THREAD : en es
  • ES150703A1 - A VERTICAL OVEN FOR OBTAINING VEGETABLE FUELS CONTAINING TAR, A GENERATOR GAS WITHOUT TAR : en es
  • GB545543A - Improvements relating to pressure gauges and like indicating instruments : en
  • ES149386A1 - A PROCEDURE FOR THE CONVERSION OF HYDROCARBON OILS : en es
  • ES150114A1 - A PROCEDURE TO OBTAIN PAPER PASTE FROM WHEAT STRAW AND OTHER CEREALS OR VEGETABLES WITH COLD WATER AND CAUSTIC SAND : en es
  • FR872285A - Solid or liquid fuel central heating boiler, converted to supply it with town gas : en fr
  • DE721248C - Pipe connection : de en
  • DE710312C - Manufacture of drying elements : de en
  • ES149813A1 - A DEVICE THAT ADVISES BY OPTICAL AND ACOUSTIC SIGNAL THE NEXT DEPLETION OF THE LUBRICANT OF THE MACHINES OF ENGINE AND MACHINES, APPLICABLE TO ANY VESSEL OR DEPOSIT OF OTHER LIQUIDS : en es
  • US2285050A - Combined motor and pump : en
  • US2285281A - Apparatus for surveying articles of manufacture : en
  • ES150318A1 - IMPROVEMENTS IN THE PROCEDURES FOR CONSTRUCTION OF THE PROTECTIVE ELEMENTS OF THE HAIR CURING APPLIANCES : en es
  • GB545643A - Improvements in and relating to the waterproofing of external air-raid shelters : en
  • US2284985A - Vehicle springing system : en
  • US2284625A - Bottle attachment : en
  • US2285043A - Television receiver : en
  • ES150853A1 - A HARDWARE ADAPTABLE TO ECONOMIC KITCHENS : en es
  • US2285377A - Surfacing machine : en
  • AU146441A - Improvements in or relating to machines suitable for use in inserting headed fasteners in workpieces : en
  • CA405178A - Electrolytic apparatus : en fr
  • US2284726A - Wire reeling machine : en
  • US2285028A - Rosin size emulsion : en
  • US2285302A - Process for cementing oil wells : en
  • US2285096A - Combination beverage dispenser and ice jar : en
  • US2284821A - Idler wheel adjustment means : en
  • CA405186A - Typewriter attachment : en fr
  • CA405121A - Water heating unit : en fr
  • CA405072A - Bathing and drying apparatus : en fr
  • CA405110A - Strap sealing apparatus : en fr
  • US2284820A - Ice cube release grid : en
  • US2284934A - Shaft coupling : en
  • US2284987A - Package : en
  • US2285023A - Propeller for boats and ships : en
  • US2285292A - Dispensing device : en
  • US2284699A - Distance measuring device : en
  • AU115197B2 - Transmission systems : en
  • US2285060A - Flexible printing plate : en
  • DE721363C - Arrangement for generating ultra-short waves : de en
  • ES149668A3 - A PROCEDURE FOR THE SEPARATION OF VEGETABLE WAX FROM THE PLANTS CONTAINING IT : en es
  • ES150630A1 - A GAS CARBURETOR DEVICE OBTAINED BY EVAPORATION OF HYDROCARBONS INTENDED FOR THE FEEDING OR CORRECTION OF THE HYDROCARBONS IN THE EXPLOSION ENGINES : en es
  • ES150004A1 - REGULATORY SYSTEMS : en es
  • ES149970A1 - A PROCEDURE FOR THE MANUFACTURE OF LEATHER, LEATHER OR FABRIC AND RUBBER SHOES : en es
  • ES150730A3 - PROCEDURE TO EXTRACT RESINOUS OR ALSO PLASTIC SUBSTANCES FROM THE TOMATO SKIN : en es
  • US2285056A - Parking meter : en
  • ES149961A1 - COMMUNICATION HALL SYSTEM BETWEEN TWO COUPLED VEHICLES, ESPECIALLY APPLICABLE TO THE ACCORDION SOCKETS FOR RAILWAY CARS : en es
  • ES150673A3 - CLUTCH BETWEEN DRIVE MOTOR AND CASH REGISTER MECHANISM : en es
  • ES150315A3 - SOME IMPROVEMENTS IN THE FABRIC MANUFACTURING PROCEDURE FOR THE MANUFACTURE OF WATERPROOF GARMENTS : en es
  • ES149597A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTICLES FOR DIFFERENT USES, IN REPLACEMENT OF THE CALLED CELLULOID, WITH THE USE OF CINEMATOGRAPHIC TAPES DISPOSED OF BY INSERVES : en es
  • ES150066A1 - ELASTIC-PLASTIC PROFILES FOR THE HERMETIC SEALING OF CARRIAGE WINDOWS AND BODY SEALS : en es
  • ES146249A2 - IMPROVEMENTS INTRODUCED IN PATENT NUMBER 142189 : en es
  • ES149577A1 - AN APPARATUS FOR SHAVING : en es
  • ES149451A1 - IMPROVEMENTS IN OR RELATIVE TO RETAINING ROOF OF PASTA IN ELECTRICAL ACCUMULATORS : en es
  • ES150580A1 - A PROCEDURE FOR MANUFACTURING A SYNTHETIC SOAP : en es
  • FR872296A - Process for the manufacture of cylindrical bodies of boxes made of materials with a sensitive surface, such as, for example, black painted sheets : en fr
  • ES150520A3 - AN ARRANGEMENT OF RUNNING SHIRTS ON THE CYLINDER BODY OF LIQUID-COOLED EXPLOSION ENGINES : en es
  • ES150659A1 - IMPROVEMENTS IN THE GASOGENS, WHICH ALLOW THE IMPROVEMENT OF THE THERMAL CYCLE IN THE USE OF SOLID OR LIQUID FUELS, AS SUBSTITUTE FOR OIL AND ITS DERIVATIVES : en es
  • ES150883A1 - A PROCEDURE FOR OBTAINING N-SULFONYLUREAS : en es
  • ES150832A1 - HYDROSTATIC CONVERTER GROUP TO PRODUCE DRIVING FORCE THROUGH ATMOSPHERIC PRESSURE : en es
  • US2285126A - Electron multiplier : en
  • CA405127A - Electric discharge device : en fr
  • ES149987A1 - A PROCEDURE FOR THE MANUFACTURE OF CETOALCOHOLES : en es
  • US2284884A - Cash register : en
  • US2285333A - Rosin-containing soaps : en
  • USD132613S - Combined table and removable tray : en
  • ES150098A1 - PERFECTED COATING SYSTEM FOR WATER RECEPTION : en es
  • ES150544A1 - IMPROVEMENTS INTRODUCED IN THE MACHINES FOR THE COMPLETE DISPOSAL OF DUST AND STRANGE MATTERS IN THE WHEAT, WITH SEPARATION EVEN FROM ITS PERICARPIO : en es
  • ES149403A1 - DEVICE FOR THE GOVERNMENT OF THE LONGITUDINAL POSITION OF THE AUTOMOBILE TORPEDOS : en es
  • US2285279A - Packaging machine : en
  • DE721374C - Work spindle bearing for lathe, revolver lathe and automatic revolver lathe : de en
  • ES149809A1 - NEW ENGINE COOLING SYSTEM : en es
  • ES150035A1 - IMPROVEMENTS IN THE FORMATION OF HOLLOW METAL ARTICLES, SUCH AS HOLLOW SHEETS OF METALLIC PROPELLERS : en es
  • GB545630A - Improvements relating to the chemical treatment of vegetable matter for extracting substances suitable for use in foodstuffs, finings for beer and the like : en
  • USD132652S - Brooch or similar article : en
  • US2285104A - Production of titanium compound : en
  • USD132611S - Design for a picture frame : en
  • DE721338C - Template for the production of suction chambers on palatal plates : de en
  • ES149791A1 - A STEAM HEATED SHAVING MACHINE : en es
  • GB545579A - Improvements in electrical terminal sockets for plug and socket connectors : en
  • US2284688A - Multiple hair curler : en
  • ES149753A1 - A PROCEDURE FOR THE PREPARATION OF TILA, CHAMOMILE, AZAHAR AND OTHER PLANTS EMPLOYED IN INFUSION OR KNOWLEDGE, THROUGH THE OBTAINING OF SOLUBLE COMPRESSES : en es
  • GB545636A - An improvement in or relating to valves for gas meters of the dry type : en
  • DE721337C - Device for setting and fastening the blades of centrifugal machines with axial passage of the conveying means, in particular those of axial blowers and axial pumps : de en
  • DE721381C - Frame for vulcanizing rubber clichés : de en
  • ES149748A1 - IMPROVEMENT IN THE MANUFACTURE OF RUBBER BELTS : en es
  • ES149947A1 - IMPROVEMENTS IN MULTIPLE DIRECTIONAL ANTENNA UNIT SYSTEMS : en es
  • FR872367A - Device for hair curlers : en fr
  • DE721287C - Freewheel hub with backstep brake and automatic switching device for an electrical stop indicator : de en
  • ES149579A1 - A LUBRICATING SYSTEM OF THE INTERIOR ORGANS OF GAS METERS : en es
  • DE721432C - Process for the separation of crystalloid, dissolved, organic substances : de en
  • ES150194A1 - A DEVICE FOR HOLDING LOCKS AND FITTINGS IN BAGS, BAGS AND SIMILARS : en es
  • ES150472A1 - A MECHANISM FOR THE MANEUVER OF THE MAMPS IN THE GATES : en es
  • ES150823A1 - SMOKE DIFFUSER AND EXHAUST STEAM DEVICE : en es
  • US2284684A - Electric circuit breaker : en
  • US2285031A - Archery bow : en
  • ES149514A1 - PROCEDURE FOR THE OBTAINING OF POLYYODOXYPHENYLPHENYLACTIC ACIDS : en es
  • ES150132A3 - BRIDGE GAME APPARATUS : en es
  • ES149854A1 - AN IMPROVEMENT IN THE MECHANISM OF ROLLING AND SUSTAINING THE DOORS AND ROLLABLE BLINDS : en es
  • ES150043A2 - IMPROVEMENTS INTRODUCED IN THE OBJECT OF THE MAIN PATENT, NUMBER 149,517 : en es
  • FR872225A - Adjustable wick nasal mask for queen anesthesia : en fr
  • ES150056A1 - IMPROVEMENTS IN THE OPTICAL APPARATUS : en es
  • ES150445A1 - COMPRESSOR OF CARBURETT GAS FOR INTERNAL COMBUSTION ENGINES : en es
  • ES150497A1 - A MULTI-FUSES MULTI-FIXED CIRCUIT BREAKER SYSTEM : en es
  • GB545618A - Improved bracket for attaching oil filters to internal combustion engine blocks : en
  • US2285042A - Air conditioning apparatus : en
  • ES150794A1 - A PROCEDURE TO CONVERT COMBINATIONS AND UNSATURATED CARBONYL IN CORRESPONDING UNSATURATED ALCOHOLS : en es
  • DE721420C - Process for the production of powdered enamel clouded by zirconium compounds : de en
  • DE721446C - Arrangement of the slip ring system on synchronous AC machines, the rotating poles of which are carried by the outer ring of a water turbine or pump impeller : de en
  • ES150254A1 - PROCEDURE FOR OBTAINING A DRUG PREPARED : en es
  • ES150645A1 - A PROCEDURE FOR THE THERMAL TREATMENT OF ALUMINUM-CINC-MAGNESIUM ALLOYS : en es
  • FR872214A - Cleaning product replacing soap : en fr
  • FR872350A - Process for the preparation of decomposition products of sterols containing ketone groups : en fr
  • ES149370A1 - A MECHANISM FOR THE AUTOMATIC CHANGE OF THE CANILLA OF THE SLIDING BOATS WITH TWO LANZADERAS : en es
  • DE721400C - Gear for moving a machine part in a closed, almost rectangular path : de en
  • ES149460A1 - A NEW PROCEDURE FOR THE COLLECTION OF COLA : en es
  • ES150627A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 146,861 : en es
  • ES150972A1 - A VEGETABLE CARBON GAS SYSTEM : en es
  • FR872319A - Grate device for burning all fuels and their gases : en fr
  • FR872314A - Improvements to combined contactor-circuit breaker voltage regulator devices : en fr
  • US2284672A - Antenna rotator : en
  • ES150538A1 - A FRAME FOR VEHICLES, ESPECIALLY INTENDED TO SERVE AT THE SAME TIME AS A BOTTOM FRAME OF THE BODYWORK : en es
  • ES150834A1 - A PROCEDURE FOR PREPARING SOUP CUBES AND SIMILAR PRODUCTS : en es
  • GB545565A - Improvements in or relating to hand-operable powder insufflating devices or appliances : en
  • US2284993A - Grave protector : en
  • US2285010A - Valve operating means : en
  • FR872233A - Improvements to piston rings : en fr
  • GB545548A - Improvements in or relating to machines for molding hollow glass articles : en
  • ES149615A1 - IMPROVEMENTS IN OR RELATED TO AIR HEATERS : en es
  • ES149933A1 - IMPROVEMENTS IN THE MANUFACTURE OF SIGNS OR LUMINOUS SIGNS : en es
  • ES150427A1 - IMPROVEMENTS IN CONNECTING UTENSILS WITH ARTIFICIAL CARBON CONTACT CYLINDERS : en es
  • ES150953A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 150918 : en es
  • ES150879A1 - A DEVICE FOR THE INSTANTANEOUS CHANGE FOR THE TEMPERATURE OF THE WATER THAT GOES OUT THROUGH THE SPRAYER OF A SHOWER PROVISION OF HOT AND COLD WATER : en es
  • FR872315A - Dyes and dyes, pigments and varnishes for camouflage and decorations : en fr
  • FR872197A - registration and control element : en fr
  • ES150722A1 - IMPROVEMENTS IN THE MANUFACTURE OF HOLLOW CONCRETE BLOCKS : en es
  • FR872286A - Method and apparatus for continuously preparing bark tow from untangled or entangled bark fibers : en fr
  • ES150662A1 - A DEVICE FOR FORMATION OF LOOPS IN THE FABRICS FOR SUSPENSION DRYERS WITH SWIVEL CHAIN OF BARS AND WITH LOAD FEED MOVED IN VAIVÉN ON THIS LAST : en es
  • GB545634A - Improvements in or relating to selecting switches for use in automatic telephone or like signalling systems : en
  • DK59839C - Self-destructive Fire Pipes. : da en
  • ES150746A1 - A SUSPENSION DRYER TO TREAT FABRICS THAT STRONGLY HANDLE : en es
  • ES149866A1 - IMPROVEMENTS IN CIRCULAR TELESCOPING : en es
  • ES150555A1 - A PROCEDURE THAT ALLOWS THE OBTAINING OF THE PHOSPHAMONIC SALT OF VITAMIN C : en es
  • FR872313A - Method and apparatus for the manufacture of matrices or relief impressions of sound recording tapes : en fr
  • DK59828C - Impulse transmitter for electric fences. : da en
  • ES149832A3 - IMPROVEMENT IN THE MANUFACTURE OF BELTS FORMED BY REMOVABLE ELEMENTS : en es
  • FR872257A - Ticket holder : en fr
  • DE721414C - Externally controlled generator for generating essentially rectangular tilting vibrations : de en
  • ES150595A3 - MATERIALS MANUFACTURING PROCEDURE FOR GEARS AND SILENT AND INSULATING MECHANISMS : en es
  • ES150963A1 - AN AUTOMATIC PLACEMENT WAY FOR VEHICLES : en es
  • US2284950A - Enclosed self-locking cageless roller bearing : en
  • US2284691A - Refrigeration : en
  • CA405143A - Motor control system : en fr
  • GB545564A - Improvements in and relating to air purifying apparatus : en
  • US2284706A - Arrangement for the transmission of intelligence : en
  • US2284798A - Handle : en
  • US2284850A - Speed indicating apparatus : en
  • CA405137A - Flatiron : en fr
  • DE721373C - Control device : de en
  • DE721423C - Filling tap control for cleaning circulating counter-pressure fillers : de en
  • US2285097A - Electric rectifier or converter : en
  • CA405074A - Propeller : en fr
  • CA405172A - Dusting machine for powders, etc. : en fr
  • US2284955A - Lighting fixture : en
  • US2284906A - Method and apparatus for burning fuel : en
  • US2285258A - Line position control device for paper forms : en
  • US2285315A - Inserted section saw : en
  • ES149456A3 - A LIQUID CARBON ANHYDRIDE EXPANSION MACHINE FOR OBTAINING PILLS OR SMALL BLOCKS OF SOLID CARBON ANHYDRIDE OR DRY ICE : en es
  • AU115205B2 - An improved broom : en
  • ES150782A1 - APPARATUS FOR THE SUPPLY OF SOAPY PASTA : en es
  • ES150225A1 - A PROCEDURE OF AUTOMATIC CONTROL OF THE STEP, FOR PROPELLERS OF AIRCRAFT THAT HAVE IT VARIABLE AND IN WHICH IT IS USED AS A MEANS OF OPERATION OF THAT ONE MOTOR DIMM : en es
  • GB545534A - Improvements in or relating to piston valves : en
  • AU146741A - Improved method of and means for compressing cotton orthe like into tampons orthe like : en
  • US2284890A - Governor compensator : en
  • DE721329C - Relay arrangement for receiving and executing switching commands transmitted by multiple voltage reductions : de en
  • DE721405C - Machine and method for waxing and twisting sewn threads, in particular for saddlery purposes : de en
  • CA405141A - Arc discharge device : en fr
  • US2284917A - Carriage top table : en
  • US2284697A - Method of making sheet-material parts : en
  • US2284885A - Portable driving device : en
  • US2285033A - Venetian blind : en
  • US2285349A - Steam generating apparatus : en
  • ES149343A2 - IMPROVEMENTS IN THE MAIN : en es
  • ES149524A1 - A PROCEDURE FOR THE CONVERSION OF HYDROCARBONS : en es
  • ES150403A2 - A PRESS TO GLUE REINFORCEMENT STRIPS ON THE FOOTWEAR : en es
  • ES150640A1 - NEW PROCEDURE TO TOOTH SAWS FOR METALS : en es
  • AU153141A - Wireline transmission : en
  • US2285252A - Circuit interrupting apparatus : en
  • US2284735A - Ring for packages and method of making the same : en
  • US2284759A - Sash and frame construction : en
  • US2284922A - Combination tag and seal : en
  • ES150789A3 - FUEL WOOD FOR AUTOMOBILES : en es
  • AU115200B2 - Process for isomerizing paraffin hydrocarbons : en
  • CA405116A - Steam generator : en fr
  • ES150323A3 - A PUMP, CONDENSER OR MOTOR FOR LIQUID OR GASEOUS WORKING MEDIA : en es
  • ES149709A1 - IMPROVEMENTS IN THE MECHANISMS OF THE AUTOMATIC MACHINES OF MANUFACTURING PAPER STRIPS CAZAMOSCAS : en es
  • ES150454A1 - A MECHANICAL APPLIANCE APPLICABLE TO ANY MACHINE-SIERRA DE CARPINTERÍA WITH A TAPE END, DESIGNED TO CUT AND DIVIDE FIXED THICKNESSES ALL THE CORTABLE PLASTIC MATERIALS AND MATERIALS OF HARDNESS BELOW THE CUTTING TAPES : en es
  • FR872202A - Device for opening and closing the valves of turbines or hydraulic wheels with a view to equipping automatic asynchronous hydroelectric power stations : en fr
  • FR872323A - Economical soap : en fr
  • ES149749A1 - IMPROVEMENTS IN THE WATERPROOFING OF TEXTILE, FABRIC AND SIMILAR FIBERS : en es
  • ES150013A1 - COMBUSTION ENGINE AND FOUR-STROKE INJECTION : en es
  • ES150422A1 - IMPROVEMENTS IN THE MANUFACTURE OF AUTOMOBILE VEHICLES : en es
  • US2285363A - Crisper pan for domestic refrigerators : en
  • ES150397A1 - IMPROVEMENTS IN THE LOCKS : en es
  • US2284783A - Photographer's exposure indicator : en
  • US2284650A - Dispensing device : en
  • DE721324C - Rear derailleur for electrically powered vehicles : de en
  • ES149454A1 - A PROCEDURE TO MANUFACTURE LEAD-TETRAALQUILOS : en es
  • US2284900A - Outdoor sleeper : en
  • US2284948A - Rotary pump : en
  • ES148056A1 - IMPROVEMENTS IN THE MANUFACTURE OF PURIFICATION COMPOUNDS : en es
  • ES149339A1 - A METHOD FOR CONTROLLING BESSEMER CONVERTERS : en es
  • ES150095A1 - A SLIDING DOOR SYSTEM : en es
  • ES150545A3 - A PROCEDURE FOR THE COHESIVE JOINT OF ALUMINUM ALLOYS : en es
  • CA405176A - Coupling circuit : en fr
  • US2284931A - Vending machine : en
  • DE721407C - Device for grinding or lapping the tip radii of asymmetrical turning chisels o. : de en
  • ES146057A2 - IMPROVEMENTS IN THE OBJECT OF PATENT NUMBER 146014 : en es
  • ES149851A3 - A PROCEDURE FOR THE CONSTRUCTION OF HEADS OR TESTERS FOR THE WIRE WINDING REELS : en es
  • ES150528A3 - A DEVICE FOR CASTING ALUMINUM BARS AND ANALOG METALS : en es
  • ES150579A1 - A PROCEDURE FOR MANUFACTURING A SYNTHETIC SOAP : en es
  • US2284901A - Paint brush cleaner for cans : en
  • US2285259A - Preservation of rubber : en
  • US2285368A - Shoulder protector for garment supporters : en
  • AU149541A - Improvements in fuel vapourizers for internal combustion engines : en
  • AU156941A - Fuel-injection compression-ignition engines : en
  • US2284812A - Radiant energy distance determining system : en
  • US2284698A - Screw and washer assembling machine and method : en
  • US2285000A - Swinging pencil holder : en
  • US2285296A - Analyzing device for statistical machines : en
  • US2284702A - Variable spacing mechanism for typewriters : en
  • US2284914A - Air conditioning system : en
  • ES150251A1 - TRANSVERSAL ROLLER BEARING, SPECIAL FOR GREAT DEMANDS AND HIGH NUMBER OF REVOLUTIONS : en es
  • ES150944A1 - A UNITED GASOGEN AND PREDESTILADOR, FOR CONTINUOUS FUNCTIONING : en es
  • GB545574A - Lubricated valve for low pressures : en
  • ES150457A1 - A TRASH CART WITH A CYLINDRICAL CONTAINER THAT TURNS ONTO ITS LONGITUDINAL AXIS : en es
  • CA405195A - Fishing reel : en fr
  • US2285018A - Silent typewriting machine : en
  • US2285048A - Filter apparatus : en
  • US2284648A - Electric welding apparatus : en
  • DE721448C - Emergency power supply for AC powered devices : de en
  • US2284989A - Carton construction : en
  • USD132642S - Design for a porch lamp : en
  • US2285210A - Electric switch : en
  • CA405113A - Screw press : en fr
  • DE721416C - Arrangement for the production of ion images : de en
  • DK59835C - Valve for Mixing different Gases, especially Air and Gas. : da en
  • US2285269A - Drum vitalizer : en
  • US2284807A - Tape cutter : en
  • US2284894A - Electric wave amplifier : en
  • USRE22104E - Art of sizing warps : en
  • ES149415A1 - A HEATING AND COOLING SYSTEM FOR FORCED AIR CIRCULATION : en es
  • ES150811A1 - NEW GASÓGENO APÁRATO : en es
  • GB545547A - Improvements in or relating to suction cleaners : en
  • DE721355C - Double tire, which consists of an outer tire with an elongated cross-section of the chamber : de en
  • US2285208A - Automatic turbine control system : en
  • USD132604S - Design for a combined traveling and correspondence case : en
  • CA405180A - Spilled coke recovering apparatus : en fr
  • DE720793C - Adding machine : de en
  • ES150160A1 - IMPROVEMENTS IN THE SYSTEMS FOR THE ELECTRIC TRANSMISSION OF SIGNALS BY DRIVERS : en es
  • ES150476A1 - IMPROVEMENTS IN THE MANUFACTURE OF ANODES FOR THE GALVANOPLASTIC INDUSTRY : en es
  • ES150587A1 - PROCEDURE FOR MANUFACTURING TUBE FOR INTERNAL AND EXTERNAL ELECTRICAL INSTALLATIONS : en es
  • ES150937A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 150918 : en es
  • US2284743A - Pickling agent for copper-beryllium alloys : en
  • US2285172A - Control system : en
  • ES149625A1 - A METHOD FOR STERILIZATION THROUGH ULTRA-VIOLET RAYS : en es
  • ES150202A3 - PROCEDURE TO IMPROVE SENSITIVITY AND SELECTIVITY IN SUPERHETERODINE RADIOTELEPHONY RECEIVERS : en es
  • ES150260A3 - PROCEDURE FOR COAGULATION OF FATTY MATTERS FROM WASTE SOAP WATER FROM WOOL LAUNDRY : en es
  • FR872207A - Process for the preparation of dried foodstuffs : en fr
  • ES149896A1 - A DEVICE FOR THE COMPREHENSION OF EXPULSION OR CHARGE AIR IN EXPLOSION ENGINES : en es
  • ES150871A1 - AN ANTENNA DISPOSITION : en es
  • US2284804A - Chewing gum base and method of preparing same : en
  • US2284815A - Miniature package : en
  • ES149820A1 - IMPROVEMENTS IN DRY SHAKING APPARATUS, ELECTRICALLY OR MECHANICALLY POWERED : en es
  • ES149340A1 - INDICATOR TO INDICATE THE LEVEL OF A LIQUID IN A DEPOSIT : en es
  • FR872253A - Device for shaping filter tips and inserting them into cigarette tubes : en fr
  • FR872363A - Drilling system for metal profiles for the assembly of frames : en fr
  • ES150367A1 - IMPROVEMENTS IN THE MANUFACTURE OF PALM SHOES FOR THE SHOES : en es
  • FR872369A - Method of rational establishment of a reinforced cement floor : en fr
  • ES150470A3 - A PROCEDURE FOR CONSTRUCTION OF DOUBLE SPIRAL COMPRESSION SPRINGS : en es
  • ES149971A1 - IMPROVEMENTS IN THE MECHANICAL HAMMERS : en es
  • ES150648A1 - A DISTRIBUTION DEVICE FOR VALVES OPERATED BY ROTARY CAMS FOR ELASTIC FLUID MOTORS : en es
  • US2284695A - Railway truck : en
  • ES150267A1 - IMPROVEMENTS IN THE MANUFACTURE OF CARTER OF ASBESTOS : en es
  • ES150286A3 - A MECHANISM FOR PUSH-BUTTON SWITCHES : en es
  • ES150619A1 - PROCEDURE FOR THE MANUFACTURE OF ESMERIL WATER INALTERABLE TO WATER, STARTING OF GRAFT CURRENT PAPER AND ESMERIL OR CARBORUNDUM POWDER : en es
  • DE680365C - Collar support for shirts with sewn-on collars : de en
  • ES149618A1 - IMPROVED IMPROVEMENTS IN INTERNAL COMBUSTION ENGINES, ESPECIALLY IN AIRCRAFT ENGINES : en es
  • GB545532A - Improvements in or relating to the manufacture of laminated fabrics : en
  • DE721295C - Tool for loosening and tightening hole and slotted nuts : de en
  • US2285251A - Industrial truck : en
  • CA405146A - Motor control system : en fr
  • CA405161A - Alkali metal hydroxide solution processing : en fr
  • US2285132A - Combination electric musical instrument : en
  • US2284620A - Shoe : en
  • ES149920A2 - PROCEDURE FOR OBTAINING BISULPHIC FORMALDEHYDE COMPOUNDS OF AMINE SUBSTITUTED ARSENOBENZOLES : en es
  • ES149331A3 - NEW TYPE OF SPOLET FOR ANTI-AIRCRAFT PROJECTILES : en es
  • USD132593S - Design for an ashtray or similar receptacle : en
  • US2284994A - Floor furnace valve : en
  • ES149500A1 - A PROCEDURE FOR THE REPRODUCTION IN SERIES OF ALL KINDS OF DRAWINGS, USING PAINTS PREPARED TO OIL OR TEMPLE OR OF ENAMELTATION TO FIRE : en es
  • ES150053A1 - IMPROVEMENTS IN THE MANUFACTURE OF RUBBER BALLS : en es
  • GB545570A - Improvements in sheet metal buildings : en
  • US2285265A - Printing telegraph system : en
  • US2284860A - Resinous derivatives from cellulose and other substances and alcohols : en
  • US2285228A - Method of and apparatus for making bags : en
  • ES150590A1 - A NEW PROCEDURE FOR THE OBTAINING OF PRODUCTS SUCH AS CHROME OXIDES OR FATS, AMMONIA, CYANIDES, AMINES, ETC. OF THE RESIDUES OF COTTONS, FOOTWEAR AND, IN GENERAL, OF ALL THOSE OF THE SKIN INDUSTRY : en es
  • US2284838A - Method for drying porous wallboards : en
  • ES150391A1 - IMPROVEMENTS IN THE CONSTRUCTION OF TREPAs FOR THE MANUFACTURE OF TILES : en es
  • FR872307A - Deflector system for cathode ray tube in which the anode voltage is derived from the relaxation oscillator : en fr
  • FR872318A - Automatic shut-off valve for gaseous fluids : en fr
  • ES150193A1 - A PROCEDURE FOR THE MANUFACTURE OF ELASTIC PROTECTIVE BOTTLES AROUND CRYSTAL BOTTLES : en es
  • FR872272A - Refractory stone particularly resistant to slagging : en fr
  • US2284622A - Moistening apparatus : en
  • US2284793A - Stitcher mechanism : en
  • ES150442A1 - AN EFFICIENT CLASS C AMPLIFIER : en es
  • ES150967A1 - A COMPLETE MACHINE FOR OBTAINING FLOUR OF ACORNS AND OTHER FRUITS OF ANALOGUE, CORREOSA AND HUMID NATURE : en es
  • GB545572A - Improved method for the mechanical washing of dishes or other articles : en
  • ES149459A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF CIELORRASO-ARMADO : en es
  • ES150127A1 - PROCEDURE FOR THE OBTAINING OF SULPHON DERIVATIVES : en es
  • GB545525A - Improvements in or relating to absorption-refrigerating apparatus : en
  • ES149787A3 - IMPROVEMENTS IN FOLDING CARDBOARD BOXES WITH COMPARTMENTS : en es
  • ES150406A1 - A NEW DEHYDRATION PIPE WITH DEVICE FOR PLACEMENT IN WALLS : en es
  • ES150446A1 - A MANUFACTURING PROCEDURE TO OBTAIN BY CHEMICAL REACTION A LIQUID VEGETABLE COLA USED IN TEMPERATE PAINT : en es
  • ES150899A1 - IMPROVEMENTS IN THE MANUFACTURE OF HYGIENIC SOAPS : en es
  • AU115180B2 - Improved means for controlling the lifting gear of tractor-drawn agricultural implements : en
  • CA405066A - Plywood production : en fr
  • CA405133A - Exciting electrode : en fr
  • DE721323C - Device for monitoring the train movement by means of high frequency : de en
  • ES150807A1 - NEW SELF-COMPENSABLE GRAMIL OF PRECISION : en es
  • ES149697A1 - A PROCEDURE FOR THE MANUFACTURE OF PRODUCTS WITH HARDENED PASTES BASED ON CEMENT, METALLIC CHIPS AND VEGETABLE FIBERS, CONVENIENTLY TREATED : en es
  • ES149902A1 - AN ESPOLETA APPLICABLE TO ALL KINDS OF ARTILLERY PROJECTILES, GRANADAS FOR INFANTRY MORTARS, LANDING AVIATION PUMPS AND HYDROSTATIC PUMPS : en es
  • FR872255A - Automatic device for checking and sorting rolled sheets : en fr
  • US2285085A - Carrier frequency apparatus : en
  • US2285249A - Pinking implement : en
  • US2284825A - Circuit interrupter : en
  • ES149325A3 - AN IRON STRUT FOR MINES : en es
  • ES150390A1 - A MULTIPLE DECIMAL TABULATOR THAT ALLOWS WRITING MACHINES TO ESTABLISH DECIMAL SITUATIONS IN ONE OR MORE COLUMNS THROUGH A SINGLE AXIS OF DISPLACEMENT : en es
  • DE721239C - Process for the preparation of water-insoluble monoazo dyes : de en
  • ES149373A1 - PROCEDURE TO MANUFACTURE RUBBER THREAD : en es
  • ES149535A1 - A MECHANISM OF GRILLS FOR MOVABLE BREAKFAST HOUSEHOLDS : en es
  • US2284640A - Breech mechanism for power generating units : en
  • US2285135A - Duplicating apparatus : en
  • US2285200A - Penetrator : en
  • ES150631A1 - IMPROVEMENTS IN THE MANUFACTURE OF ROLLED METALLIC DOORS OR CLOSURES : en es
  • ES149376A3 - SOME IMPROVEMENTS IN THE CONSTRUCTION OF HANDLES FOR THE WAVY HAIR WARMERS : en es
  • ES149629A1 - A NEW SWITCH DEVICE FOR ELECTRIC LIGHT WITH REPETITION FUSE : en es
  • ES150527A1 - A NEW PROCEDURE FOR COATING FLOORS BY DIRECT APPLICATION ON ANY KIND OF MATERIALS : en es
  • ES150965A1 - PROCEDURE FOR MANUFACTURING A PREPARED TO IGNITE FIRE : en es
  • FR872372A - Improvements in the construction of frames and forks of bicycles, tandems, or the like : en fr
  • DE721391C - Covered arc welding electrode, the cover of which contains resin, hydrous magnesium silicate and titanium compounds : de en
  • ES150701A1 - A DOUBLE SOFTENING MACHINE, TO WORK WHEAT FLOUR MASKED PREVIOUSLY WITH WATER AND TO SEPARATE THE GLUTEN STARCH, UNDER THE ACTION OF WATER IN THE FORM OF RAIN AND THE STRENGTH OF THE PASTE BY MEANS OF ROLLED TEETH : en es
  • ES150614A1 - IMPROVEMENTS IN A FUSE MASS, ESPECIALLY FOR DISCHARGE CONTAINER : en es
  • ES150797A1 - GASOGEN FOR OBTAINING MIXED GAS : en es
  • US2285237A - Electric stop motion controller for knitting machines : en
  • US2284944A - Surgical sheet : en
  • USRE22105E - Exercising machine : en
  • US2284668A - Package : en
  • US2285152A - Measuring thickness of dielectric materials : en
  • US2285136A - Electric condenser : en
  • CA405100A - Green corn cutting apparatus : en fr
  • CA405164A - Stitch-transferring device : en fr
  • ES148019A1 - PROCEDURE FOR THE TREATMENT OF PLASTIC MATERIALS BASED ON INORGANIC MATERIALS : en es
  • ES150745A1 - APPARATUS OF ACOUSTIC SIGNALS OF ONE, TWO OR THREE SIMULTANEOUS SOUNDS FOR VEHICLES WITH EXPLOSION ENGINE : en es
  • GB545555A - Improvements in or relating to fluid mixing devices : en
  • ES148572A1 - IMPROVEMENTS IN THE BATTERIES OF ELECTRICAL ACCUMULATORS : en es
  • ES150082A1 - A GATE TO INTRODUCE LOADS IN SPACES FILLED WITH GASES : en es
  • ES150115A3 - PROCEDURE FOR MANUFACTURING AN ANTI-SLIP PRODUCT FOR BELTS : en es
  • FR872343A - Gas mixer for fueling engines with gasifier : en fr
  • DE721467C - Deburrer for pipe ends : de en
  • ES150536A1 - A PROCEDURE FOR THE RAPID START-UP OF GASOGENS INTENDED FOR AUTOMOBILISM : en es
  • DK59821C - Method and Apparatus for Welding Pipes. : da en
  • ES150204A1 - ELECTRICAL DISCHARGE DEVICES : en es
  • US2285272A - Coin changing machine : en
  • DE721412C - Process for the production of phosphate fertilizers : de en
  • GB545590A - Improvements relating to the use of molten salts in heat exchange circulating systems : en
  • DK59833C - Device for Tractors for Interchangeable Coupling of Agricultural Machinery and Agricultural Implements. : da en
  • ES148780A3 - A PROCEDURE FOR OBTAINING SULFUR AND CYANURED PRODUCTS FROM LIGHTING GAS PURIFICATION MASSES : en es
  • US2284780A - Paper dispenser : en
  • US2285283A - Carton loading machine : en
  • US2285348A - Material separator apparatus : en
  • US2284991A - Machine for mixing beverages : en
  • US2284758A - Cutting machine : en
  • AU115207B2 - Improvements in or relating to ashtrays : en
  • DE721419C - Method of making curved panels : de en
  • ES149572A1 - PROCEDURE FOR OBTAINING A PRODUCT LIMPIAMETALES : en es
  • ES149981A1 - A PROCEDURE FOR THE PRODUCTION OF ESTIROL : en es
  • US2284693A - Portable sawing apparatus : en
  • ES148796A1 - ROTARY APPARATUS INJECTOR FUELED BY COMPRESSED AIR FOR PRESSURIZED LUBRICATION OF THE ORGANS OF THE AUTOMOBILE VEHICLES : en es
  • FR872185A - Improvements to boxes : en fr
  • ES149390A1 - AN EXTINGUISHER OF HOMIGES AND INSECTOS TREPADORES : en es
  • ES150074A1 - IMPROVEMENTS IN THE RECOVERY OF SULFUROUS GAS ANHYDRIDE : en es
  • ES150305A1 - IMPROVEMENTS IN THE CONSTRUCTION OF TANKS TO FREEZE OR MANUFACTURE AND PRESERVE ICE CREAM IN THE FORM OF A BAR : en es
  • US2285081A - Direction finding receiver : en
  • US2285260A - Preservation of rubber : en
  • ES150752A1 - PROCEDURE FOR THE OBTAINING OF ALKALINE RESINATES EXEMPT FROM ADHESIVE MATERIALS : en es
  • ES149525A1 - A PROCEDURE FOR THE CONVERSION OF HYDROCARBON OILS : en es
  • ES150131A1 - AN EXPLOSION ENGINE WITH FUEL INJECTION AND PLUNGER PROVIDED WITH A MIXING CHAMBER : en es
  • ES150737A1 - SOME PERFECTIONS IN THE MANUFACTURING PROCEDURE OF FOOTWEAR WITH TOTAL OR PARTIALLY VULCANIZED SOLE : en es
  • FR872171A - Endless canvas conveyor : en fr
  • GB545647A - Electricity conductor unit with fixed socket-end conductors : en
  • DE721279C - Control device for the main fuel valve of heaters which are heated with gaseous or liquid fuels and to which the air flow required for combustion or an air flow to be heated is supplied under pressure or suction : de en
  • ES149516A1 - IMPROVEMENTS IN THE MANUFACTURE OF LAMPS OF INCANDESCENCE : en es
  • ES150803A1 - A PROCEDURE FOR THE FOUNDING OF METAL BLOCKS : en es
  • FR872351A - Treatment of fatty acids : en fr
  • DE721411C - Process for the chlorination of gaseous saturated hydrocarbons : de en
  • ES150038A1 - IMPROVEMENTS IN THE FORMATION OF HOLLOW METAL ARTICLES, SUCH AS HOLLOW SHEETS OF METALLIC PROPELLERS : en es
  • ES150274A1 - PROCEDURE FOR THE MANUFACTURE OF COFFEE GRANULATES OR COFFEE SUBSTITUTES : en es
  • ES150920A1 - PROCEDURE TO STABILIZE AND MAKE UNBREAKABLE LIQUIDS CONTAINING ALBUMS, ESPECIALLY BLOOD PLASMA : en es
  • ES149845A1 - APPARATUS INDICATOR APPARATUS : en es
  • US2284633A - Method of and means for controlling vehicular traffic : en
  • ES149850A1 - PERFECTIONS IN THE BURNERS FOR LIQUID FUELS : en es
  • ES149958A1 - PROCEDURE FOR THE INSTANT RECORDING AND REPRODUCTION OF SOUNDS VIA THE ELECTROCHEMISTRY AND ALL INDUSTRIAL PROCEDURES DERIVED FROM THE SAME : en es
  • US2284965A - Process of making dress forms : en
  • US2284629A - Method of nickel plating : en
  • CA405084A - Decalcomania : en fr
  • CA405144A - Elevator door operating system : en fr
  • US2284713A - Tractor : en
  • US2285235A - Desk pad : en
  • ES150437A1 - IMPROVEMENTS IN CHARCOAL COLLECTORS WITH FREELY SUSTAINING DELGAS CORONA, WITH THEIR CORRESPONDING MANUFACTURING PROCEDURE : en es
  • FR872295A - Lighting device for cinematographic projectors with optical compensation : en fr
  • US2284747A - Electrical measuring system : en
  • US2285006A - Tachometer generator : en
  • CA405123A - Waste disposal apparatus : en fr
  • FR872341A - Drawing machine : en fr
  • ES149605A1 - A PROCEDURE FOR MANUFACTURING COMPLETE FERTILIZERS : en es
  • ES149669A3 - A PROCEDURE FOR THE COLLECTION OF VEGETABLE WAX : en es
  • FR872324A - Improvements made to the construction of frames in hand shears, in particular : en fr
  • US2284909A - Corn harvester : en
  • CA405169A - Tape winding device and roll : en fr
  • CA405199A - Textile material : en fr
  • CA405102A - Venetian blind : en fr
  • US2285120A - Package-binding apparatus : en
  • US2285288A - Automatic control apparatus : en
  • CA405148A - Blasting plug : en fr
  • DE721280C - Device for temporarily relieving anchor locks on calculating machines : de en
  • ES150287A1 - AN AUTOMATIC DEVICE INDICATOR OF THE WORK RIDE IN THE HILATURE CONTINUES TO REGULARIZE THE CHANGE OF THE SPOUSES : en es
  • ES149430A1 - PROCEDURE AND APPARATUS FOR THE EDUCATION OF TEJIDOS SHORES : en es
  • ES149567A1 - A PROCEDURE FOR THE OBTAINING OF SOLID OBJECTS FROM ONE OR MORE SUPERPOSED, SLIGHT AND RESISTANT LAYERS : en es
  • ES150133A1 - A WINDER FOR SPINDLES WITH AUTOMATIC CHANGE OF COILS : en es
  • GB545521A - Improvements in or relating to the manufacture of sulphonyl chlorides : en
  • GR9881B - ELECTRICAL APPLIANCE I REPLACED THE DOOR OF TINOS HOME. : el en
  • DE721313C - Drive arrangement for motor vehicles : de en
  • DE721491C - Method for improving the applicability of a too stiff enamel slip : de en
  • ES149435A1 - IMPROVEMENTS IN OR RELATIVE TO MILLS TO MIX PLASTIC MATERIAL : en es
  • ES149800A1 - A THREAD TO SEAL THE UNION OF TWO STRIPS OF PLATE : en es
  • ES149884A1 - A PROCEDURE THAT ALLOWS THE AQUEOUS SOLUTION OF LECITHIN OR OVO-LECITINE : en es
  • ES150180A1 - A SOLERA OVEN REGENERATIVELY STARTED, ESPECIALLY A SIEMENS-MARTIN OVEN : en es
  • ES150957A1 - A PROCEDURE TO PRODUCE THE FACULTY OF REPELLING WATER AND REDUCING THE RETENTION OF IT IN THE PRODUCTS OF CELLULOSE HYDRATE, ESPECIALLY SILK ARTIFICIAL AND WOOL OF CELLULOSE : en es
  • GB545569A - Improvements in and relating to the production of steel : en
  • FR872394A - Coupling device : en fr
  • ES150296A1 - COMBINED TRANSFER BRAKE AND SAFETY FOR LIFTING MACHINES : en es
  • ES150586A1 - PROCEDURE FOR THE OBTAINING OF SULFAMID DERIVATIVES : en es
  • FR872333A - Gas metering valve for internal combustion engine : en fr
  • US2284732A - Engine supercharging : en
  • DE721293C - Method for pulling in the ropes that fix the slide sections against each other and tension the entire strand : de en
  • ES149360A1 - A SYSTEM OF LAMINATED TUBES FOR HEAT AND COLD GENERATORS : en es
  • ES149917A1 - TRIPLE DIFFUSER CARBURETOR FOR EXPLOSION ENGINES : en es
  • ES150399A1 - DRY GAS COUNTER WITH SLIDING REGULATIONS : en es
  • ES150154A2 - AUTOMATIC ELECTRIC FLUID DISPENSER, WITH ADJUSTABLE GEAR ARRANGEMENT TO VARY THE UNIT PRICE (RATE, ENERGY, BASE RATE) : en es
  • ES150924A1 - A DISPOSITION OF VALVES MANEUVERED BY THE LUNGS FOR RESPIRATORY APPARATUS AND OTHERS INTENDED FOR OXYGEN TREATMENT : en es
  • ES149630A1 - A PROCEDURE TO OBTAIN COMBINATIONS OF FIXED AND PROJECTED COLORS FOR DECORATION, FLAME, ENTERTAINMENT AND SIMILAR PURPOSES : en es
  • ES149923A3 - A PROCEDURE FOR THE INSTALLATION OF POWER LINES AND TUBULAR DUCTS IN THE INTERNAL CAVITIES OF AIRCRAFT : en es
  • ES150465A1 - IMPROVEMENTS IN THE INSTANT REGISTRATION OR INSCRIPTION OF SOUNDS ON TAPE : en es
  • ES148571A1 - PROCEDURE IN THE BATTERIES OF ELECTRICAL ACCUMULATORS : en es
  • ES150374A1 - OIL GASIFICATION DEVICE FOR EXPLOSION ENGINES : en es
  • ES150489A1 - A PERFECTION IN THE PROCEDURE OF MANUFACTURE OF CARTON LEATHER : en es
  • ES149657A1 - A PROCEDURE FOR THE MANUFACTURE OF EXPANDABLE MEDICINAL PREPARATIONS IN SPECIALLY MOLDED PIECES : en es
  • GB545623A - Improvements in and relating to electromagnetically-operated circuit controllers : en
  • ES148254A1 - IMPROVEMENTS IN MACHINES FOR GRINDING OR SHARPENING KNIVES OR SIMILAR SHEETS : en es
  • ES149689A1 - IMPROVEMENTS IN THE DEVICES FOR THE OPERATION OF THE PARACHUTES AT TWO SPEEDS : en es
  • US2285066A - Carton and closure therefor : en
  • US2285344A - Supercharged internal combustion engine : en
  • DE721336C - Diaphragm pump with electromagnetic drive : de en
  • ES150814A3 - PROCEDURE FOR OBTAINING ALUMINUM ALLOYS SPECIALLY ADAPTED FOR THE MANUFACTURE OF PLUNGERS : en es
  • FR872234A - Sheet metal cage, especially for cylindrical roller bearings : en fr
  • USD132610S - Design for a water faucet filter : en
  • ES150599A2 - IMPROVEMENTS MADE IN THE SCOPE OF THE MAIN PATENT NUMBER 150,538 : en es
  • ES150956A1 - A GASOGEN OF COMBUSTION DIRECTED DOWN : en es
  • DE721457C - Frame to convert an existing chair into a wheelchair : de en
  • ES149806A2 - PERFECTED AUTOMATIC DISTRIBUTOR AND REGULATOR DEVICE FOR COMPRESSED FLUID BRAKING SYSTEMS : en es
  • ES146730A1 - Procedure for the preparation of amines. : en es
  • ES149334A1 - AN APPARATUS PLACED ON THE WRITING MACHINES TO OBTAIN COPIES WITHOUT CARBON PAPER : en es
  • ES150496A3 - IMPROVEMENTS IN THE MANUFACTURE OF CAPS FOR CALORIFES : en es
  • ES150865A1 - A DRIVING DEVICE FOR LOADING FANS, ESPECIALLY INTENDED FOR AVIATION ENGINES : en es
  • ES149346A3 - ANTI-CAR FIRE PUMP : en es
  • ES149713A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF OVERLAPPED PARTS TRANSMISSION BELTS : en es
  • ES149978A1 - MACHINE TO ASSEMBLE, BY VULCANIZATION, ALPARAGATAS AND SIMILAR SHOES : en es
  • CA405086A - Light-sensitive material for producing photographic dye-images : en fr
  • CA405158A - Printing ink : en fr
  • DE721453C - Process for the preparation of disazo dyes : de en
  • ES149836A1 - A MANUFACTURING PROCEDURE FOR A NEW BAIT FOR CARTRIDGES OR FIREARMS : en es
  • FR872237A - Washable permanent linen : en fr
  • DE715290C - Internal combustion engine with star-shaped, counter-rotating pistons : de en
  • DK59822C - Method of Making a Cardiac Glycoside. : da en
  • ES142176A3 - A procedure for obtaining a food product. : en es
  • ES149885A1 - A PROCEDURE THAT ALLOWS THE OBTAINING OF SOLUBLE PHOSPHATE SALTS SUITABLE FOR NUTRITION : en es
  • ES149945A1 - A TORQUE SPRING, ESPECIALLY FOR MOTOR VEHICLES : en es
  • US2284639A - Copolymer containing ethylidene diacrylate or dimethacrylate : en
  • US2285204A - Condition control system : en
  • USD132587S - Design foe a textile fabric : en
  • FR872259A - A method of manufacturing chain links with a prop formed of a d-portion containing the prop and a c-portion. : en fr
  • FR872356A - Device for saving fuel on motor vehicles : en fr
  • ES149698A1 - PROCEDURE FOR THE OBTAINING OF A MASS OR SUCEDANEOUS PLASTIC MATERIAL OF RUBBER, GUITAR, BALLET AND OTHER ANALOGS : en es
  • GB545588A - Improvements in grab buckets : en
  • ES149759A1 - PROCEDURE FOR THE PRODUCTION OF UNALTERABLE DYES : en es
  • GB545549A - Improvements in or relating to machines for molding hollow glass articles : en
  • US2284717A - Aircraft sustaining rotor : en
  • US2284908A - Deep well pumping mechanism : en
  • US2285067A - Reclosure carton : en
  • DE721397C - Screw locking : de en
  • FR872360A - Improvements to devices preventing a door from being closed if you forget your key : en fr
  • CA405111A - Skelp welding apparatus : en fr
  • ES150108A1 - PROCEDURE FOR DYEING SILK MEDIA WHOSE SEWING, REINFORCEMENT AND HEEL ARE WOVEN IN COTTON : en es
  • USD132624S - Linked chain or similar article : en
  • ES150568A1 - PROCEDURE FOR OBTAINING MONOAZOIC DYES : en es
  • ES150866A1 - A PROCEDURE FOR IMPROVING THE RUBBER-PROOF UNION OF RUBBER, ARTIFICIAL RUBBER AND OTHER RUBBER SUBSTITUTES, WITH SURFACES OF LIGHT METALS, ESPECIALLY MAGNESIUM AND ITS ALLOYS : en es
  • FR872195A - Accounting or statistical machine controlled using color films : en fr
  • GB545606A - A new or improved internal combustion engine : en
  • DE721262C - Device for lifting and pressing the saw blade in hacksaw machines by means of a piston that is acted upon on both sides : de en
  • FR872243A - Method and device for picking up dies from mechanically engraved sound recording tapes : en fr
  • ES149426A3 - A THERMAL SIPHON FOR LOCOMOTIVES : en es
  • GB545632A - Improvements in and relating to non-skid pneumatic tyres, applicable to the formation of other non-skid surfaces : en
  • US2284705A - Shingle : en
  • US2284714A - Television system : en
  • US2285016A - Synchronizing system : en
  • CA405170A - Temperature control : en fr
  • US2284786A - Accounting machine : en
  • US2284723A - chessin : en
  • US2284818A - Gas analysis apparatus : en
  • US2284823A - Wiper blade : en
  • ES149693A1 - IMPROVEMENTS IN MANNEQUIN MANUFACTURING : en es
  • ES150801A1 - NEW GASÓGENO : en es
  • ES150911A2 - AN ARRANGEMENT OF ANTENNAS : en es
  • FR872294A - Process for the heat treatment of metals : en fr
  • ES149634A3 - IMPROVEMENTS IN THE MANUFACTURE OF EXPLOSIVE CHARGES MELTED WITH TETRANITROPENTACRITRITE : en es
  • DE721275C - Mold : de en
  • ES150577A1 - A PROCEDURE AND DEVICE FOR CLEANING OF TEXTILE PLANTS FROM LITTLE PARTS : en es
  • ES149576A1 - MACHINE TO OBTAIN INFUSION OF VEGETABLE SUBSTANCES AT PREFIXED TEMPERATURE : en es
  • ES150559A1 - AN ACETYLENE COMPRESSOR GENERATOR : en es
  • FR872280A - hedgehog stretching for processing pure cellulose wool and mixed fibers : en fr
  • US2284946A - Form varnish die : en
  • US2285110A - Refrigerated display cabinet : en
  • USD132596S - Design for a plaqtje ok similar article : en
  • ES149251A1 - IMPROVEMENTS IN THE ASSEMBLY OF ALPARAGATAS WITH RUBBER SOLE : en es
  • US2284984A - High-altitude aircraft : en
  • GB545613A - Improvements in and relating to marking-off tables : en
  • US2285291A - Gravel packing of wells : en
  • ES149471A1 - A COUPLING BRACKET TO FACILITATE THE TRACTOR'S RUN AND ITS TRANSFORMATION FOR THE USE OF HEAVY OILS, ESPECIALLY THE FORDSON, TYPE T : en es
  • ES150007A1 - A PROCEDURE FOR OBTAINING PLASTIC MATERIALS BASED ON ALBUMINOID MATERIALS EXISTING IN THE BLOOD : en es
  • ES150239A1 - A HYDRAULIC ENGINE THAT, COMBINED AND POWERED BY ANOTHER EXPLOSION, ELECTRIC OR STEAM, MULTIPLIES THE POWER OF THESE : en es
  • ES150890A1 - GASOGENS APPLICABLE TO AUTOMOTIVE VEHICLES : en es
  • ES149410A1 - A PROCEDURE FOR THE MANUFACTURE OF A CLASS OF LIGHT CONCRETE, CHARACTERIZED BY EMPLOYMENT, FOR THE OBTAINING OF SODIUM CHLORIDE AS AN ELIMINABLE AEROL BY DISSOLUTION : en es
  • ES150341A1 - PROCEDURE FOR OBTAINING ASYMMETRICAL ARSENOBENZOLS FROM THE UREA SERIES : en es
  • ES150714A1 - A PROCEDURE TO ACTIVATE AND IMPROVE THE DEVELOPMENT OF THE VEGETABLES, MAINLY BY TREATMENT OF THEIR SEEDS BEFORE THEIR SOWING : en es
  • ES150844A1 - A HYDROELECTRIC WATER HEATER : en es
  • GR9883B - ELASTIC WOOD SHOES. : el en
  • US2285198A - Lightning arrester : en
  • US2284710A - Vacuum plumbing : en
  • US2284712A - Backplate for gas installation housings : en
  • US2284643A - Rail fastening : en
  • ES149756A1 - MANUFACTURING PROCEDURE FOR SPECIAL ELECTRICAL RESISTORS : en es
  • ES149888A1 - IMPROVEMENTS IN OVENS FOR THE REDUCTION OF METALS : en es
  • GB545611A - Improvements in and relating to balloon-supported net and like obstructions against hostile aircraft : en
  • CA405104A - Shirt collar support : en fr
  • ES139061A1 - Procedure to protect the colors of luminous radiations, especially from infrared radiation. : en es
  • ES149628A1 - A FUEL INJECTION PUMP FOR EXPLOSION ENGINES PROVIDED WITH AN INJECTOR WITH FINALLY CONICAL END NEEDLE : en es
  • ES150054A1 - A PROCESS FOR MANUFACTURING GOA BALLS INDESINCHABLES AND IRROMPIBLES BASED ON WASHING MACHINES OF RUBBER SHEETS : en es
  • US2284660A - Container treating machine : en
  • US2285148A - Work holder : en
  • US2285155A - Razor blade knife : en
  • US2285214A - Display device : en
  • US2285178A - Polyamides combined with cellulose derivatives : en
  • USD132619S - Combined bottle anddispehsing stopper : en
  • DE721284C - Chain link : de en
  • DE721408C - Control device for the electric drive of work machines : de en
  • CA405108A - Convertible seat : en fr
  • USD132631S - Combination cigarette holder and ash receptacle : en
  • US2284623A - Vaporizer : en
  • US2285107A - Ignition apparatus : en
  • CA405068A - Thread spool : en fr
  • DE721326C - Pressure control valve for automatic refilling of the storage container of electrical compressed gas switches : de en
  • DE721382C - Type printing machine with a number of paper carriage switching devices adapted to the different types of width : de en
  • ES150647A3 - IMPROVEMENTS IN THE MANUFACTURE OF DEDICATED CASES TO CONTAIN LIPSTICK : en es
  • ES149400A3 - A PROCEDURE FOR OBTAINING ALKYL LEAD COMPOUNDS : en es
  • FR872270A - Endless sound recording tape with mechanically readable sound inscription and method of making : en fr
  • US2285113A - Muddling or dunking device : en
  • USD132649S - Design for a dress : en
  • ES150412A1 - A PROCEDURE FOR THE APPLICATION OF CALCIUM CARBIDE GAS IN THE OPERATION OF EXPLOSION ENGINES : en es
  • ES150450A3 - A COMPASS, KING'S FOOT, OF PRECISION : en es
  • GB545558A - Improvements in or relating to safety razors : en
  • ES148591A2 - PROCEDURE FOR THE PRODUCTION OF AGGLOMERATES BASED ON CEMENT PASTE, BY CENTRIFUGATION : en es
  • ES149796A1 - IMPROVEMENTS IN PISTONS FOR INTERNAL COMBUSTION ENGINES : en es
  • US2284805A - Pneumatic cleaner for locomotive sand pipes : en
  • US2284814A - Lacing device : en
  • ES149995A1 - AN ELECTRICAL CONVERTER : en es
  • US2285188A - Cigarette opener and carrier : en
  • ES148725A2 - PROCEDURE FOR THE MANUFACTURE OF PROTECTED CYLINDERS : en es
  • ES149357A1 - PROCEDURE FOR THE MANUFACTURE OF HANDLEBAR SUPPORTS FOR BIKES OR SIMILARS : en es
  • US2285071A - Airplane equipped to heat the wings : en
  • ES150025A1 - A TEN-ELBOW CRANKSHAFT : en es
  • ES150523A1 - PROCEDURE FOR THE ELIMINATION OF POWDER ADHERED TO WHEAT, WITH SEPARATION EVEN FROM ITS PERICARPIO OR FIRST LAYER, BY HUMIDIFICATION : en es
  • ES150710A1 - A PERFECTED GAS GENERATOR : en es
  • ES149743A1 - NEW ROAD SEAT PROCEDURE : en es
  • ES150258A3 - IMPROVEMENTS IN THE PROCEDURE FOR MANUFACTURING WATERPROOF SIDES : en es
  • ES150646A1 - A PLATE VALVE FOR CLOSING GAS PIPES : en es
  • CA405114A - Aliphatic hydrocarbon production : en fr
  • US2285093A - Mixture of materials and method of making : en
  • US2285074A - Hat block : en
  • US2284941A - Rod mounting : en
  • US2285145A - Conveyer chain and method of lubricating the same : en
  • US2285293A - Contact : en
  • US2284652A - Draft control : en
  • ES150092A1 - PROCEDURE FOR OBTAINING AN EASILY MISCIBLE FLUID ATTACHMENT FOR MORTAR OR MORTAR GENERATORS, WHICH MAKES THEM WATERPROOF : en es
  • ES150235A1 - PROCEDURE FOR THE MANUFACTURE OF PRIMARY AMINES : en es
  • ES150738A1 - SOME IMPROVEMENTS IN THE MANUFACTURE OF SOLES IN THE GENERAL PROCESS OF THE MANUFACTURE OF LIGHTWEIGHT SHOES : en es
  • US2285325A - Knife operating mechanism for glass blowing machines : en
  • US2284939A - Drain cleaner : en
  • US2284980A - Unloader for compressors or the like : en
  • US2285211A - Radio frequency wattmeter : en
  • AU152241A - Improvements in or relating toa. C. electric circuit-breakers ofthe gas-blast type : en
  • ES149588A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF TILES OR PLATES FOR COVERINGS : en es
  • ES150951A1 - NEW PROCEDURE FOR THE ECONOMIZATION OF FUEL IN COMBUSTION ENGINES : en es
  • ES150824A1 - A MECHANICAL PROCEDURE FOR THE INTERACTION OF MATERIALS, ESPECIALLY WOODS : en es
  • FR872155A - System for gradually energizing transformers, particularly applicable to transformers used for power supply rectifiers for radio transmitters : en fr
  • DE721379C - Process for the production of polyglycol compounds : de en
  • US2284785A - Frictional material and method of making same : en
  • US2285248A - Cooling system for internal combustion engines : en
  • ES150149A1 - PROCEDURE FOR MANUFACTURING GLASSES OR PARTIALLY SILVERED LEAVES, LEAVING HOLES WITH TRANSPARENCY SO THAT THEY CAN SEE PORTRAITS, FIGURES, OR ANY KIND OF DRAWING THROUGH THE CLEAN PART : en es
  • ES150715A1 - A PROCEDURE FOR THE MANUFACTURE OF A SUBSTITUTE PRODUCT OF LEATHER AND LEATHER : en es
  • US2284938A - Air flow control : en
  • US2285150A - Apparatus for forming hollow articles from plastic material : en
  • DE721276C - Carrying device for suitcases and similar items with a strap pulled through slots : de en
  • ES150299A1 - PROCEDURE FOR SEPARATING THE FATTY SUBSTANCES FROM THE WATER THAT CONTAINS THEM IN EMULSION OR IN ANOTHER WAY : en es
  • ES150421A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF SEATS OF ARMCHAIRS AND SIMILAR : en es
  • ES150815A1 - A GASOGEN OF COMBUSTION DIRECTED DOWN : en es
  • FR872304A - Transmission device between amplification stages for various wave regions : en fr
  • ES150550A1 - A HYDRAULIC MOTOR POWERED BY MOVEMENT OF BUOYS IN STUCK WATER : en es
  • ES150980A1 - A SINGLE-TOWERING DEVICE FOR IMPORTANT PAIRS WITH RAPID ACTION FREQUENCIES AND HIGH SPEEDS : en es
  • US2284653A - Engine heater : en
  • US2285062A - Photoelectrically sensitive electrode : en
  • FR872373A - Tubes for boilers and steam heaters having rectilinear surfaces increasing their heating surfaces : en fr
  • CA405119A - Brassiere and breast pad : en fr
  • US2285128A - Inductance device : en
  • US2284670A - Bearing and process of forming the same : en
  • CA405096A - Settee : en fr
  • US2284813A - Switching device : en
  • US2284862A - Heating unit and method of making same : en
  • US2284880A - Drink vending machine : en
  • US2285264A - Impulse distributor : en
  • USD132600S - Design for an exhaust pipe shroud : en
  • CA405157A - Ignition distributor : en fr
  • US2284667A - Multiple clutch mechanism : en
  • US2284767A - Ironing machine : en
  • ES149354A1 - IMPROVEMENTS IN THE MANUFACTURE OF PLATES AND OTHER AGGLOMERATED CORK OBJECTS : en es
  • IE16301L - Loom shuttles : en
  • US2285180A - Butter chip maker attachment : en
  • ES150724A1 - A PERFECTION IN THE SEGMENTS FOR EMBROIDERIES : en es
  • ES150995A1 - PERFECTED SYSTEM OF SYNCHRONIZED WATCHES, INCLUDING A MASTER CLOCK AND ONE OR SEVERAL SECONDARY WATCHES IN AN IMPROVED WAY : en es
  • DE721315C - Device for charging lead melts, in particular for pressing machines for sheathing cables : de en
  • ES150184A2 - A PRESSURE VALVE SPECIALLY INTENDED FOR FUEL INJECTION PUMPS IN EXPLOSION ENGINES : en es
  • ES149654A1 - DEVICE FOR MEASURING CURRENT SPEEDS : en es
  • ES149841A1 - IMPROVEMENTS IN SCHEDULES RECORDERS HOURS : en es
  • ES150304A1 - MACHINE TO PLACE EYES : en es
  • DE721484C - Process for the production of stamps for embossing types with a recessed alignment mark : de en
  • ES150370A1 - A PROCEDURE TO OBTAIN OPTICAL RELEASE EFFECTS IN PHOTOGRAPHY AND CINEMATOGRAPHIC PROJECTIONS : en es
  • ES150498A1 - A PERFECTED SYSTEM FOR THE ADMISSION OF AIR IN THE REGIME OF GASOGENS : en es
  • ES150830A1 - AN ELECTRICAL WATER HEATER, ADAPTABLE TO ALL WATER CONDUCTOR PIPES OR TUBES : en es
  • FR872206A - Electric control device for ringing bells on the fly : en fr
  • DE721387C - Electromagnetically released shoe brake : de en
  • ES150094A1 - IGNITION MAGNET FOR INTERNAL COMBUSTION ENGINES : en es
  • US2285052A - Variable fountain ink supply for presses : en
  • US2284754A - Plumbing construction : en
  • US2285345A - Lock-nut construction : en
  • CA405196A - Conveyer flight : en fr
  • US2284764A - Temperature controlled apparatus : en
  • US2285362A - Process for reconditioning perforated record cards : en
  • AU148541A - Improvement in multiplex signal-translating system : en
  • DE717431C - Process for producing spar-like bodies : de en
  • US2285354A - Fastener driving machine : en
  • DE721362C - Remote control of electric traction vehicles from any driver's cab : de en
  • ES149498A1 - CINEMATIC MECHANISM FOR OPTICAL PROJECTION DEVICES OF IMAGES : en es
  • ES149678A1 - TELESCOPICALLY EXTENSIBLE HANDLE SHOVEL : en es
  • ES149877A2 - IMPROVEMENTS MADE IN THE OBJECT OF PATENT NUMBER 147,875 : en es
  • ES149949A1 - HIGH VOLTAGE CURRENT DISTRIBUTOR FOR EXPLOSION ENGINE IGNITION APPLIANCES : en es
  • ES150083A1 - AN EVACUATION DEVICE FOR CUBA OVENS : en es
  • ES150952A1 - A PERFECT PROCEDURE TO OBTAIN FLOURS OF BELLOTAS, CHESTNUTS AND OTHER FRUITS OF ANCIENT, CORREOSA AND HUMID NATURE : en es
  • AU115192B2 - Improvements in or relating to machines suitable for use in inserting headed fasteners in workpieces : en
  • DE720853C - Process for the production of water-insoluble azo dyes : de en
  • ES150878A1 - SYSTEM AND DEVICE FOR AUTOMATICALLY FEEDING OF BITY AND POLISHING MATERIALS MOLDS AND OPTICAL CRYSTALS DURING THE CARVING AND POLISHING OPERATIONS OF THESE LAST : en es
  • US2284709A - Safety apparatus : en
  • CA405182A - Enamelled tank connection : en fr
  • ES147271A1 - Procedure for the preparation of new chemical compounds and their applications to the manufacture of artificial fibers, sheets, films and the like. : en es
  • ES149869A1 - A PROCEDURE FOR THE OBTAINING OF ALUMINA SULFATE, STARTING FROM BAUXITE OR ALUMINUM HYDROXIDE : en es
  • ES150438A1 - AN INSTALLATION TO PRODUCE WOOD, CARBON OR OTHER SOLID SIMILAR FUELS, A GAS INTENDED TO REPLACE GASOLINE OR OTHER LIQUID FUELS IN THE EXPLOSION ENGINES : en es
  • US2284949A - Respirator : en
  • DE721389C - Arrangement to compensate for temperature errors in measuring rectifier circuits for high frequency currents : de en
  • ES150196A3 - IMPROVEMENTS IN HOUSEHOLD MACHINES FOR REFRIGERATING LIQUIDS OR SOLIDS AND PRODUCING ICE : en es
  • ES150316A1 - IMPROVEMENT IN WATER METER BATTERY INSTALLATIONS : en es
  • CA405117A - Liquid vaporizing tube : en fr
  • US2285004A - Manhole step : en
  • US2285161A - Ventilating device : en
  • USD132655S - Design for a flower holder : en
  • CA405201A - Compartmental washing machine : en fr
  • ES149827A3 - IMPROVEMENTS IN THE CONSTRUCTION OF TOILETS CALLED TO LA TURCA : en es
  • ES149660A3 - IMPROVEMENTS IN THE MANUFACTURE OF BRUSHES OR SIMILAR, SUPPLIED WITH INTERCHANGEABLE FRAMES TO SUPPORT THE CLEANING ELEMENTS : en es
  • ES149450A1 - A PROCEDURE FOR DEVELOPING DEPOSIT MANTAS : en es
  • ES149769A2 - A CONTINUOUS ELECTRODE : en es
  • FR872188A - Improvements to telephone systems : en fr
  • AU207941A - Improvements in or relating to gyratory crushers : en
  • DE721388C - Mechanical inverter with a capacitor for spark extinction that is parallel to the consumer : de en
  • CA405097A - Vehicle spotlight stand : en fr
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  • DE721350C - Automatic circuit for gear change or continuously variable transmissions of motor vehicles or the like. : de en
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  • US2284943A - Electric sifter : en
  • US2285263A - Forming tool : en
  • US2285319A - Polysegmental packing ring : en
  • ES149651A1 - A FABRIC MANUFACTURING PROCEDURE WITH CERAMIC ELEMENTS, REINFORCED CONCRETE AND IRON RODS : en es
  • AU115182B2 - Food package : en
  • AU117941A - An improved broom : en
  • DE721269C - Process for the production of azo dyes on blended fabrics made from wool and viscose rayon : de en
  • ES149016A1 - IMPROVEMENTS IN THE MANUFACTURE OF METAL IRON BOXES : en es
  • ES150696A3 - CURVED MIRROR MANUFACTURING PROCEDURE : en es
  • CA405098A - Universal electric connector : en fr
  • US2284737A - Apparatus for separating liquids of different specific gravities : en
  • CA405140A - Automatic speed matcher : en fr
  • GB545528A - Improvements in and relating to curtain rings and method of attaching same to curtains : en
  • CA405168A - Bottle vending machine : en fr
  • GB545615A - Improvements in and relating to tool-holders : en
  • FR872291A - Method of reconditioning rolling roll gauges : en fr
  • ES149483A1 - AN APPARATUS TO MARK TISSUE EDGES : en es
  • ES150213A1 - IMPROVEMENTS IN GASOGENS : en es
  • US2285206A - Keyboard composing machine : en
  • US2284961A - Automatic valve : en
  • US2285065A - Process of making edible baked products : en
  • ES150146A1 - IMPROVEMENTS INTRODUCED IN THE PROCEDURES OF CUTTING AND CLOTHING : en es
  • ES150777A1 - RADIODIRECTIONAL SYSTEM FOR ROUTE GUIDE DEVICES : en es
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  • US2284967A - Stand for dress forms and the like : en
  • US2284842A - Circuit breaking apparatus : en
  • CA405135A - Arc welding system : en fr
  • FR872220A - New stilbenic dyes : en fr
  • GB545641A - Improvements in hurricane lamps : en
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  • ES149739A1 - A DEVICE FOR THE HYDRAULIC DISPLACEMENT OF THE HEADS 'FINS, ESPECIALLY OF THE AIRCRAFT PROPELLERS : en es
  • ES149880A3 - IMPROVEMENTS IN THE MANUFACTURE OF PHTHALIC ACID : en es
  • ES150245A1 - IMPROVEMENTS IN THE MANUFACTURE OF CRYSTAL BULBS WITHOUT PUMP PITTON FOR ELECTRONIC VALVES OR OTHER VACUUM CONTAINERS : en es
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  • US2285003A - Double window construction : en
  • US2285134A - Brake : en
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  • DE721403C - Tuning device for string instruments : de en
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  • FR872226A - Trailer chassis intended to be pulled, either by hand or by a vehicle and comprising an automatic braking device, independent and proportional to that of the tractor unit : en fr
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  • USD132616S - Design for a cigarette holder : en
  • ES150690A1 - PROCEDURE FOR THE USE OF EXTRACTED OLIVE ORUJO, FOR THE OBTAINMENT OF VEGETABLE CARBON, ACETIC ACID, ACETONE, METALLIC ALCOHOL, WHISTLE, CREOSOTA BREA, LIGHT TAR OIL AND OTHER OILS : en es
  • ES150693A3 - A PROCEDURE FOR PLATING PURE OR ALLOY ZINC WITH ALUMINUM : en es
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  • US2285153A - Adding, subtracting, and accounting machine : en
  • ES149345A1 - AN AUTOMATIC DEVICE FOR FILLING THE MOLD OF ARTIFICIAL RESIN PRESSES : en es
  • ES149839A3 - WATER SPRAYER FOR AIR CONDITIONING : en es
  • FR872283A - Device for introducing auxiliary signals into image analyzer tubes with photocathode and fixed scanning screen : en fr
  • FR872299A - Marine water tube boiler with oil burners or blown hearth and comprising an air heater and a superheater placed behind the vaporization layer of the boiler : en fr
  • GB545567A - Improvements in or relating to electric switches with roller contacts : en
  • GB545571A - Improvements in low-capacity multiple-conductor connections : en
  • ES150162A1 - IMPROVEMENTS IN SHOCK ABSORBERS FOR MECHANICAL TILES : en es
  • ES149477A1 - IMPROVEMENTS IN THE MANUFACTURE OF EXOTHERMAL MIXTURES : en es
  • ES150837A1 - WIND POWER GENERATOR POWERED BY THE WIND : en es
  • FR872361A - Wood gasifier for automotive and industrial engines : en fr
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  • USD132630S - Design foe a sandal : en
  • ES149741A1 - A DRIVER DEVICE IN A MACHINE FOR THE AUTOMATIC CLAMPING OF ZIPPER CLOSURE PIECES ON A TAPE : en es
  • US2285140A - Side bearing : en
  • US2284627A - Nozzle : en
  • US2284867A - Animal trap : en
  • US2284888A - Demonstrating device for vaginal diaphragms : en
  • ES150177A1 - A THERMAL COMPENSATOR : en es
  • ES150993A1 - AN INSTALLATION PROCEDURE FOR THE STARTING AND OPERATION OF A PARTIAL LOAD OF ROTARY MACHINERY, COMPRESSORS AND TURBINES OR MOTOR GROUPS : en es
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  • ES150068A1 - PROCEDURE TO MAKE THE WOOD OF EUCALYPTUS USED FOR INDUSTRIAL PURPOSES : en es
  • ES150265A3 - IMPROVEMENTS IN THE ELECTRIC SWITCHES : en es
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  • FR872326A - Rim brake for cycles : en fr
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  • FR872347A - Anti-theft device for bicycle : en fr
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  • US2284891A - Balanced relay : en
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  • ES149797A2 - PROCEDURE FOR THE REDUCTION OF OXIDIC MINERALS : en es
  • ES150262A1 - SOME PERFECTIONS IN THE HEATING PROCEDURE IN THE BAKING, PASTRY AND SIMILAR COOKING OVENS : en es
  • ES150623A1 - A DOOR OPERATING SYSTEM : en es
  • DE721441C - Standard cooker for absorption chillers : de en
  • ES149754A1 - PROCEDURE FOR THE MANUFACTURE OF FIBER SHEETS, HARD AND SMOOTH, IN BOTH PARTS : en es
  • ES149393A3 - A GUIDE RAIL FOR SLIDING DOORS : en es
  • ES149429A3 - A PROCEDURE FOR THE MANUFACTURE OF LEAD-ALKYL : en es
  • US2284740A - Device for capping containers : en
  • USD132639S - Design for a lamp stand : en
  • US2284716A - Manufacture of abrasive articles : en
  • ES149412A1 - A PISTON WITH TUBULAR REINFORCEMENTS FOR INTERNAL COMBUSTION ENGINES : en es
  • ES149730A1 - DEVICE TO ADJUST THE MOMENT OF INJECTION WITH SERVOMOTOR IN THE COMBUSTION AND INJECTION ENGINES : en es
  • ES149770A1 - MAXIMUM SWITCH, PARTICULARLY IN THE FORM OF SCREW PLUG AND ELEMENT : en es
  • ES150356A1 - A PROCEDURE TO JOIN TEST OF DISCHARGE RUBBER AND ARTIFICIAL RUBBER TO RIGID SURFACES : en es
  • ES150524A1 - CINEMATOGRAPHIC APPARATUS FOR IMPRESSING FILMS : en es
  • FR872181A - Improvements in methods and apparatus for shaping plastic articles : en fr
  • DE721296C - Process to reduce sugar losses in the storage of sugar beets : de en
  • DE721344C - Length-guided button for scanning a rotating cam disk on machine tools : de en
  • FR872337A - Further training in high-speed steam engines : en fr
  • ES150069A1 - AN AUTOMATIC PERFUMER APPARATUS : en es
  • ES150364A1 - IMPROVEMENTS IN FILLINGS FOR THICKNESS OF CHARCOAL COLLECTORS : en es
  • ES150755A2 - A PROCEDURE FOR THE MANUFACTURE OF CAPACHOS-FILTERS, OF FIBERS OF ALL KINDS, FOR THE EXTRACTION OF OLIVE OIL : en es
  • DE721394C - Centering and measuring device for glasses : de en
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  • US2285371A - Paper sheet testing device : en
  • ES150256A3 - IMPROVEMENTS IN THE AUTOMATIC CHUCK CHUCKS : en es
  • ES149714A1 - A MECHANICAL CLUTCH MECHANISM WITHOUT FRICTION OR SPRINGS USED AS AUTOMATIC OR COMMANDED SPEED CHANGES, AND WHICH VARIATIONS OF SPEED ARE ALWAYS PRODUCED IN DIRECT TAKE OF THE MOTOR ELEMENT WITH THE DRIVEN TREE : en es
  • ES149853A1 - A PROCEDURE FOR THE OBTAINING OF LACQUERING EFFECTS ON PRINTED OR LITHOGRAPHED SURFACES : en es
  • ES149983A1 - AN INSTALLATION FOR THE MANUFACTURE OF SULFUR MONOCLORIDE : en es
  • ES150281A1 - AN IMPROVEMENT IN THE MANUFACTURE OF ELECTRODYNAMIC LOUDSPEAKERS : en es
  • ES150510A1 - A NEW CONSTRUCTION CEILING SYSTEM FOR BUILDINGS : en es
  • ES150641A1 - A PROCEDURE FOR THE MANUFACTURE OF AN INSECTICIDE FOR AGRICULTURE : en es
  • ES150734A3 - SWITCHING DEVICE FOR ELECTRICAL CIRCUITS : en es
  • ES150942A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ARMCHAIRS, MATTRESSES, MATTRESSES, ETC. : en es
  • US2285064A - Dress form and process of making the same : en
  • ES149578A1 - IMPROVEMENT IN PRIOR PAYMENT METERS : en es
  • ES149804A1 - IMPROVEMENTS IN STATISTICAL MACHINES : en es
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  • US2285079A - Electromagnetic sound-reproducing device : en
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  • ES149411A1 - A MACHINE TO REMOVE THE AIR FROM THE CHOCOLATE PASTA AND CUT IT THEN IN PORTIONS OF DIFFERENT PESOS : en es
  • US2285106A - Transmission : en
  • US2284996A - Floor furnace valve : en
  • US2285336A - Automatic drying apparatus : en
  • DK59830C - Chain boom drive device for chain knitting machines. : da en
  • ES149679A3 - A PROCEDURE FOR THE MANUFACTURE OF THE DIFFERENT ELEMENTS THAT CONSTITUTE THE BODY OF MECHANICAL PENCILS : en es
  • US2284742A - Switch jaw : en
  • ES150583A1 - A PROCEDURE FOR MANUFACTURING ARTIFICIAL RUBBER PRODUCTS : en es
  • US2285171A - Passenger railway rolling stock : en
  • ES149676A3 - IMPROVEMENTS IN THE SYSTEM FOR FASTENING THE YARN GUIDE TO THEIR FIXING AND CENTERING BRACKETS ON THE CONTINUOUS SPINNING MACHINES : en es
  • US2284731A - System for the recording of sound : en
  • ES149481A1 - PROCEDURE FOR THE STAMPING OF TISSUES : en es
  • ES150247A1 - A VERTICAL ELECTRICAL IGNITION APPARATUS, PARTICULARLY ADAPTED FOR INTERNAL COMBUSTION ENGINES : en es
  • US2284753A - Piezoelectric crystal apparatus : en
  • US2285193A - Reaction product of water-soluble degraded proteins with phenols and aldehydes : en
  • US2285262A - Process and apparatus for the printing of subtractive multicolor images : en
  • US2285075A - Air conditioning apparatus : en
  • ES149486A3 - AN IMPROVEMENT IN THE MANUFACTURE OF THE RIM OF THE METAL WHEELS FOR VEHICLES OF ALL CLASSES : en es
  • GB545539A - A compound for use in the treatment of fractures, wounds, ulcers, skin diseases, skin eruptions and so forth : en
  • DE721469C - Apparatus for contact copying of lenticular film on lenticular film : de en
  • DE721471C - Shock absorbers for vehicles, especially motor vehicles : de en
  • ES149707A1 - A PROCEDURE FOR APPLYING RUBBER SOLES STAMPED TO THE SHOES : en es
  • ES150975A1 - BICYCLE WITH AN AUXILIARY MOTOR MOUNTED IN THE REAR WHEEL : en es
  • FR872187A - Improvements to electrical signaling systems : en fr
  • ES150843A1 - A GRADUABLE PRESSURE-BASED CALCIUM CARBIDE APPLIANCE APPLICABLE TO ALL GASOLINE EXPLOSION ENGINES, DIESEL ENGINES AND POOR GAS ENGINES AND INDUSTRIAL USES AND AUTONOMOUS WELDING : en es
  • US2285219A - Container and method of making the same : en
  • US2285058A - Method of manufacturing mosaic electrodes : en
  • US2285275A - Bent tube section and a method of : en
  • CA405105A - Potato digger : en fr
  • DE721308C - Self-collecting device for issuing postage stamps, value or receipt stamps : de en
  • FR872273A - Anode for the precipitation of chromium layers on the inner wall of hollow bodies : en fr
  • FR872303A - Mobile hangar for operations squadron : en fr
  • CA405188A - Graphite coating method : en fr
  • DE721456C - Articulated connection for the facing ends of the three parts of the longitudinal bars of a collapsible bed frame equipped with a flexible bed rail : de en
  • ES149534A3 - IMPROVEMENTS IN THE MANUFACTURE OF NITROCELLULOSES : en es
  • ES150110A1 - A PROCEDURE FOR PREPARING ARTIFICIAL RESINS : en es
  • US2284692A - Vibrating screen : en
  • US2284739A - Manufacture of abrasive materials : en
  • CA405149A - Rubber article : en fr
  • ES149997A3 - PROCEDURE FOR OBTAINING SULFUR BY REDUCING GASES CONTAINING SULFIDE ANHYDRIDE : en es
  • US2284882A - Process of heel seat fitting : en
  • GB545602A - Improvements in or relating to electric plug and socket couplings : en
  • GB545633A - Improvements in and relating to fuel injection nozzles for internal combustion engines : en
  • GR9884B - HOW TO REPAIR CORRESPONDES OR HOLES OF LEATHER LEATHER SHOES. : el en
  • DE721328C - Double-pole four-stroke control switch for single, parallel and series connection of two heating resistors : de en
  • ES149700A3 - IMPROVEMENTS IN THE MANUFACTURING METHODS OF THE QUADRANTS OF RADIO RECEIVERS : en es
  • ES150857A1 - A GASOGEN OF CARBON VEGETABLE, ESPECIALLY ADAPTED FOR VEHICLES AUTOMOVILES : en es
  • FR872231A - Process for manufacturing powders, syrups and juices of ripe fruits or vegetables and products obtained : en fr
  • ES149819A1 - AN ELECTROLYTIC CELL : en es
  • ES149531A3 - PLUG SYSTEM FOR TWO OR MORE TUBES, ALL OR PART OF THEM WITHOUT THREAD : en es
  • ES149729A1 - AUTOMATIC BAREMO : en es
  • ES149801A1 - AN INVESTMENT MOLDING MACHINE FOR THE MANUFACTURE OF MOLDED STONES : en es
  • ES150292A3 - IMPROVEMENTS MADE IN THE DRIVING OF THE LIZOS IN HAND LOOM : en es