• US2337660A - Metal furniture : en
  • CH230405A - Semi-rigid item of laundry. : de en
  • CH230420A - Process for the production of an acidic wool dye. : de en
  • US2337650A - Fluid for hydraulic systems : en
  • CH230249A - Mounting device for scraper belts on card drums. : de en
  • CH230276A - Binder for loose items such as rationing stamps and the like. : de en
  • CA417438A - Grating structure treating apparatus : en fr
  • US2337947A - Manufacture of rennet : en
  • US2337797A - Forming tool : en
  • US2338061A - Method and means for finishing the tooth grooves of gear shaving tools : en
  • DE742810C - Process for the preparation of polyazo dyes : de en
  • DE742973C - Process for protecting magnesium and its alloys against corrosion : de en
  • CA417331A - Metal partition structure : en fr
  • US2337716A - Mine trap door : en
  • US2337732A - Beneficiating light hydrocarbon distillates : en
  • US2337764A - Power lift mechanism : en
  • US2338058A - Machine for binding groups of unit sheets : en
  • CH230280A - Material for teaching double-entry accounting. : en fr
  • CH230307A - Drilling tool. : en fr
  • CH230422A - Process for the production of an acidic wool dye. : de en
  • ES157881A1 - IMPROVEMENTS IN THE MANUFACTURE OF PIPES CONSTITUTED BY INDIVIDUAL TUBULAR PARTS AND INSURED AGAINST ALL EXTENSION : en es
  • PL32363B1 - : en pl
  • US2337707A - Collet index fixture : en
  • PL32423B1 - Telefunken Gesellschaft fur drahtlose Telegraphie m. B. H., Berlin Magnetron system for ultra-short waves : en pl
  • PL32348B1 - A method for producing an easily soluble, stable dry protein from condensed potato juice : en pl
  • USD136907S - Embroidered trimming or similar article : en
  • CA417396A - Metallic container : en fr
  • US2337666A - Wax coating for storage hams : en
  • PL32377B1 - Daimler-Benz flktiengesellschaft, Stuttgart - Unterturkheim Fuel Injection Nozzle with Limited Needle Stroke : en pl
  • CH230329A - Injection igniter engine with rotary valve. : de en
  • PL32411B1 - Victoria-Werke fl. G., Nurnberg Spring unit for valves in combustion engines : en pl
  • CA417335A - Cooking stove : en fr
  • CA417375A - Photographic film processing : en fr
  • DE743445C - Device for measuring and monitoring the percentage draft and the twists per unit length of the spun material in spinning and roving machines : de en
  • CH230319A - Flexible conduit pipe for liquids and gases. : de en
  • US2338012A - Vacuum and packer treatment of coffee : en
  • ES160733A1 - AUTOMATIC ELECTRICAL FUME EVIDENCE APPLICABLE TO MORE CINEMATOGRAPHIC PROJECTION MACHINES : en es
  • ES168281A1 - MECHANISM APPLICABLE TO LSO TELARES FOR THE OBTAINING OF EFFECTSAPRAL FABRICATION OF TISSUES : en es
  • ES161584A1 - IMPROVEMENTS IN THE CARBONIZATION OVENS : en es
  • ES158071A1 - A GASOGENOUS APPARATUS : en es
  • FR889071A - New arylamino-naphthol-sulfonic acids, trisazo dyes derived from these acids and processes for the preparation of these various products : en fr
  • FR889105A - Light metal cast piston for internal combustion engines : en fr
  • CH230402A - Device in railway systems for influencing towing vehicles inductively from the route. : de en
  • FI19829A - Färgband för skriv-, räknemaskiner och liknande : en fi
  • FR888970A - Magnesium alloy : en fr
  • US2337623A - Electric dry shaver : en
  • DK61754C - Device at lock without key. : da en
  • CA417450A - Resin surfaced wood manufacture : en fr
  • CH230278A - Process for the sensitization of halide silver emulsions, in particular those with a high content of chlorine silver, by means of mixtures of sensitizers. : de en
  • CH230340A - Contactor. : de en
  • DE743717C - Device for regulating the performance of multi-cylinder pumps : de en
  • ES161293A3 - PROCEDURE FOR OBTAINING SUBSTITUTE PRODUCTS FOR WAXES : en es
  • FR888910A - Improvements to automatic switches : en fr
  • CH230229A - Body, such as B. window pane, wall, pipe, etc., the surface of which is at least partially provided with a heat-insulating coating. : de en
  • GB558316A - A process of isolating chorionic substance and the product thereof : en
  • US2337950A - Festoon bracket : en
  • ES161420A1 - MANUFACTURING PROCEDURE OF PRESSED WOOD ROLLER BEARING AND ARTIFICIAL RESIN : en es
  • US2337878A - Carrier wave signaling system : en
  • GB558240A - Improvements in float operated valves for use in steam traps and like purposes : en
  • ES159407A1 - ACETYLENE GENERATOR : en es
  • US2337757A - Compound glass sheet : en
  • CH230426A - Switchable multimeter for current and voltage measurement of direct and alternating current. : de en
  • US2337918A - Electric valve circuits : en
  • GB558255A - Improvements relating to the moulding in situ of concrete constructions : en
  • DE743686C - Pulverized coal firing : de en
  • FI19866A - Loading device especially for loading logs on cars and railway carriages : en fi
  • GB558345A - Protective circuits for rectifiers : en
  • DE743231C - Horn loudspeaker with several exponential loudspeakers arranged in a fan-like manner to achieve a predetermined directional characteristic, in particular tweeter : de en
  • FR889055A - Machine for cold rolling the surface of round parts : en fr
  • GB558285A - Improvements in and relating to the preparation of titanium dioxide : en
  • US2337933A - Electric control circuit : en
  • ES161621A1 - PROCEDURE OF CONTINUOUS MANUFACTURE OF ALCOÍLICOS ETHERS OF THE GLYCOLES : en es
  • GB558298A - Improvements in or relating to electric selective signalling and control systems : en
  • BE453058A - Process for treating sulphonate solutions : en fr
  • ES158666A1 - A PROCEDURE FOR FORMING ROLLER COATINGS FOR SPINDLE MACHINES AND FOR AFTER APPLICATIONS : en es
  • ES168257A1 - MACHINE FOR SOUND REPRODUCTION : en es
  • US2337975A - Rotary swing : en
  • ES158407A1 - PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL THREAD SIMILAR TO WOOL : en es
  • FR889118A - Process and device for the manufacture of seamless capsules, in particular of gelatin, forming containers : en fr
  • CA417405A - Blasting cap : en fr
  • CA417486A - Saw set : en fr
  • CH230400A - Device on vehicles to automatically change the distribution of the braking force between two wheel groups. : de en
  • CH230240A - Eating fork for spaghetti, fondue, etc. : de en
  • US2337610A - Carton processing : en
  • US2337651A - Polarized electromagnetic control device : en
  • US2337996A - Fuel distributing device : en
  • BE453031A - : en fr
  • CH230342A - Heat sensitive switching device. : de en
  • DE743483C - Operating circuit for mains operated cathode ray tubes for television purposes : de en
  • ES159514A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NUMBER 153496 : en es
  • FR889074A - Device for regulating the speed of motor vehicle engines : en fr
  • DE743476C - Austenitic manganese steel for objects with a smooth burning edge : de en
  • DE743413C - Additional device for record speaking machines : de en
  • FR889040A - Carder : en fr
  • PL32415B1 - Stator for driving machines and machine tools : en pl
  • GB558260A - Automatic frequency control in electric signalling systems : en
  • US2337739A - Pickup baler : en
  • US2338025A - Adapter for form tie wedges : en
  • ES168608A1 - INTRODUCTION OF AIR CONDITIONING : en es
  • GB558230A - Improvements in or relating to forced draught systems for boiler furnaces : en
  • ES160403A1 - NEW HEATING SYSTEM FOR HOUSING : en es
  • DK61752C - Device for Air Supply Systems for Cooling the Engine in Vehicles of Streamlined Shape with Rear Engine. : da en
  • GB558276A - Improvements in and relating to gyro verticals and gyro stabilised artificial horizons : en
  • ES154146A1 - A PROCEDURE FOR THE REHABILITATION OF FILMS THROUGH RENEWAL OF THE PERFORATION OF THE SAME : en es
  • ES161602A1 - AN AUTOMATIC BRAKE DEVICE FOR SELFACTIN : en es
  • ES152661A1 - A METHOD AND ELECTROLYTIC DEVICE FOR FISHING : en es
  • ES160327A1 - A PROCEDURE FOR OBTAINING A FLOATING SOAP : en es
  • CH230373A - Telephone device. : en fr
  • DE743443C - Spraying device for paints with valves provided for their passage : de en
  • DE743480C - Image decomposition tube with photoelectron scanning of a one-sided mosaic electrode : de en
  • DE743712C - Hanging device for electrolytic hard chrome plating relatively long, cylindrical workpieces to be provided with a chrome metal layer on the inside, in particular of liners for opposed piston engines : de en
  • GB558320A - Improvements in chromatographic adsorption processes for the separation and purification of materials : en
  • CH230294A - Method of manufacturing hour signs. : en fr
  • US2337557A - Armrest : en
  • DE743537C - Method of retouching multicolor subtractive images : de en
  • US2337618A - Electric plug connector : en
  • ES168153A1 - PROCEDURE FOR OBTAINING FACTORIES BASED ON OILS AND FISH FAT- : en es
  • ES160715A1 - PROCEDURE FOR THE OBTAINING OF COVERINGS FOR PAVEMENTS OR WALLS : en es
  • FI19830A - Coloring gloves : en fi
  • ES157982A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ARCHIVERS FOR VERTICAL CORRESPONDENCE : en es
  • FR888960A - Rotary drive system, starting from a reciprocating motion, applicable to a spinning wheel or to any other apparatus : en fr
  • DE743648C - Schraemmaschine for the extraction of chargeable coal : de en
  • US2338060A - Fluid pressure operated chuck : en
  • US2337997A - Method of making piston rings : en
  • US2338070A - Individual cigarette density recording machine : en
  • FR888942A - Device against dangerous temperatures in the event of dry running of a liquid heater : en fr
  • DE743736C - Operating mode for wind power plants : de en
  • US2337699A - Beet harvester : en
  • US2337901A - Method of and apparatus for making can bodies : en
  • ES152562A1 - A PROCEDURE FOR OBTAINING POROUS METALLIC MATERIAL FOR THE OBTAINING OF ELEMENTS AND FILTERING BODIES : en es
  • CA417426A - Electric resistance welding apparatus : en fr
  • US2337889A - Electric circuit breaker : en
  • US2337913A - Casement window opener : en
  • ES161594A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • US2337925A - Double grip holder : en
  • US2338073A - Adjustable spot-facer and boring tool : en
  • GB558282A - Buttons : en
  • GB558321A - Improvements relating to loom weft stop motions : en
  • DE743621C - Feeding for rope and traction sheaves : de en
  • GB558243A - Improvements in electric tumbler switches : en
  • DE743651C - Radiation boiler : de en
  • FR889092A - Rotary compressor : en fr
  • US2338079A - Inverter circuit : en
  • DE743522C - Fluid motor for hydraulic change gears : de en
  • ES155942A1 - PROCEDURE FOR MANUFACTURING A PRODUCT USED AS AN AGRICULTURAL INSECTICIDE, MATAMOSCAS : en es
  • ES161579A1 - IMPROVEMENTS IN THE MANUFACTURE OF IGNITION PLUGS : en es
  • DE743555C - Process for distillation, in particular vacuum distillation, of residue-forming substances by means of a rotating, heated roller : de en
  • FR889005A - Improvements to speed modulation electronic lamps with hollow resonator : en fr
  • ES160161A1 - A NEON LUMINOUS CLOCK SYSTEM : en es
  • ES159158A1 - A PROCEDURE FOR THE SEPARATION AND USE OF WASTEWATER IN THE OBTAINING OF YEAST : en es
  • GB558337A - Improvements in and relating to perpetual calendars or date indicators : en
  • US2337603A - Method for manufacturing brushes : en
  • GB558334A - Reclaiming or regenerating rubber-like products : en
  • FR888915A - Process for the desulphation of coagulation baths for viscose spinning : en fr
  • US2337541A - Electric circuit : en
  • US2337710A - Antenna : en
  • US2337879A - Windshield cleaner arm mechanism : en
  • US2337855A - Tooth powder dispenser : en
  • US2338032A - Means for supporting collapsible tubes : en
  • CA417383A - Settling tank for machine tool cooling lubricant : en fr
  • CH230286A - Liquid measuring device with two double-acting pistons that serve as control elements. : de en
  • ES161589A1 - NEW PROCEDURE FOR AGGLOMERATION OF ALL KINDS OF DUST OR OTHER SUBJECTS : en es
  • US2337662A - Agricultural implement : en
  • USD136923S - Design for a dress : en
  • PL32344B1 - A device for discharging by means of a fluid : en pl
  • ES157474A1 - A PROCEDURE FOR OBTAINING NEW CALCINATED HARD ALLOYS : en es
  • US2337740A - Apparatus for coating fluorescent lamps : en
  • ES156254A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 153745 : en es
  • DE743689C - Collapsible stretcher : de en
  • US2337594A - Menu c ard deck : en
  • PL32428B1 - A method of producing soluble metal fluorides, in particular beryllium fluoride : en pl
  • US2337766A - Brake cylinder device : en
  • DE743477C - Bogie cradle for rail vehicles with adjustable limit stop for downward movement : de en
  • DE743528C - Method and device for surface treatment of windable material with plastic masses : de en
  • ES158871A1 - IMPROVEMENTS IN INJECTION PUMPS FOR INTERNAL COMBUSTION ENGINES : en es
  • FR888928A - Improvements to rod compasses : en fr
  • FR888986A - Process for the preparation of di-halogen-amides of dicarboxylic acids : en fr
  • FR889008A - Removable keel for light boats, such as kayaks and canoes: s, and boats equipped with this keel : en fr
  • ES168238A3 - PASTE MANUFACTURING PROCEDURE TO CARRY OUT THE OPERATION OF ENOUGH IN THE GENERAL PROCESS OF POLISHING IRON AND STEEL SURFACES : en es
  • FR889031A - Pest traps : en fr
  • DE743243C - Process for the preparation of trisazo dyes : de en
  • US2337993A - High power factor and high intensity lamp circuit : en
  • CA417446A - Well sucker rod screw joint : en fr
  • US2337870A - Refrigeration : en
  • FR889024A - Spark plug for internal combustion engines, incorporating automatic temperature control : en fr
  • DK61756C - Electrical Alarm System with a Fault Indicator. : da en
  • FR888966A - Process for improving the properties of shaped products of synthetic origin obtained from substances containing hydroxyl groups : en fr
  • FR889141A - Remote blocking switch for pricing or analogue : en fr
  • ES157153A1 - AUTOMATIC ELECTRICAL APPLIANCE FOR HOT AND COLD WATER : en es
  • FR889045A - Toy for request and answer game : en fr
  • ES158091A1 - IMPROVEMENTS IN THE CONSTRUCTION OF TELEPHONE LINES OR CONDUCTORS OR LOCOMOBILE TELECOMMUNICATION WITH TWO OR FOUR DRIVERS RESISTANT TO THE TRACTION CABLE AROUND A COMMON AXIS : en es
  • GB558249A - Improvements in air heaters or coolers : en
  • FR888921A - Method and device for closing the tubes of vacuum lamps : en fr
  • FR889050A - Process for thickening or solidifying liquids : en fr
  • ES168212A1 - SELECTOR FOR TELECOMMUNICATION SYSTEMS : en es
  • FI19859A - Cellulose dryer : en fi
  • DE743520C - Round slide acting in the axial direction for lubricant distributors : de en
  • US2337582A - Pressure controlling apparatus : en
  • US2337628A - Method of producing catalytic material : en
  • FI19839A - Sätt att framställa syrafasta kitt-, mur- och liknande massor : en fi
  • FR888912A - Wood distillation process allowing the manufacture of products for the carburizing of steels, with recovery of methyl alcohol and acetone : en fr
  • FR888938A - Process for the preparation of highly polymerized masses : en fr
  • CA417461A - Railway car : en fr
  • AU1245343A - Improvements relating to electric storage battery plates : en
  • CH230318A - Slip ring seal. : de en
  • DE743672C - Power generators, in particular with wind drives and with indoor and outdoor runners : de en
  • US2337609A - Vehicle axle : en
  • US2337562A - Production of stabilizing agents : en
  • US2337719A - Fan : en
  • CA417483A - Tamperproof seal : en fr
  • US2337837A - Protective system : en
  • US2337553A - Device for operating machines from control tapes : en
  • US2337992A - High power factor high intensity lamp circuit : en
  • AU661742A - Digging and carrying scraper : en
  • CH230335A - Coupling device. : en fr
  • PL32347B1 - Jenaer Glaswerk Schott & Gen., Jena Coating of a non-metallic object, consisting of at least three films with different refractive index and reducing reflection from the surface of the object : en pl
  • CA417334A - Continuous filter : en fr
  • US2337987A - Convertible radio cabinet : en
  • CH230348A - Arrangement to prevent the unintentional switching on of a drive motor for tools. : de en
  • GB558274A - Improvements relating to actuating means for variable speed power transmission mechansms : en
  • GB558310A - Improvements in or relating to airscrews : en
  • GB558339A - Improvements in cardboard or like boxes : en
  • ES167870A1 - MECHANISM TO PRODUCE A TORSION MOVEMENT IN THE MECHAS OF THE MATERIALS THAT ARE MILLED IN CONTINUOUS MACHINES : en es
  • DK61736C - Procedure for Treating Beer Wort with Activated Charcoal. : da en
  • DE743532C - Process for the production of dry pectin : de en
  • DE743622C - Shut-off valve in which the actuating spindle is sealed by a bellows membrane : de en
  • DE743627C - Exposure meter for a photographic enlarger : de en
  • CA417328A - Wheel balancing apparatus : en fr
  • US2337969A - Woollike artificial filament : en
  • USD136942S - Design fob a dress : en
  • US2337810A - Brassiere or similar garment : en
  • US2338017A - Hydraulic transmission : en
  • DE743594C - Spray oil for the chassis of motor vehicles : de en
  • CH230232A - Gas heater. : de en
  • US2337743A - Concrete building structure and method of making the same : en
  • DE743495C - Single lever switch : de en
  • US2337862A - Liquid pressure reducing means : en
  • US2338009A - Cushion-bonding strip unit : en
  • US2338020A - Conversion of hydrocarbon oils : en
  • FR889080A - Hard metal cutting edge drill bit attached : en fr
  • CA417473A - Telegraph apparatus : en fr
  • GB558251A - Improvements in or relating to work holding tools, wrenches and the like : en
  • ES161291A1 - INTERNAL COMBUSTION ENGINE, ESPECIALLY FOR AUTOMOBILE VEHICLES, ESPECIALLY IN COMBINATION WITH ADDITIONAL LOADING UNITS OPERATED BY EXHAUST GAS TURBINES : en es
  • ES161583A1 - MACHINE FOR SOLDA THE COVERS TO THE BODIES OF CONSERVA CANS : en es
  • CA417433A - Degenerative feedback circuit : en fr
  • CH230241A - Frameless spring body for mattresses and upholstery. : de en
  • US2337587A - Navigation guide : en
  • DE743515C - Device on cash registers to prevent unauthorized manipulation of the adder : de en
  • ES168012A1 - PERFECTIONS IN THE CONSTRUCTION OF ELASTIC LEGS FOR AIRCRAFT LANDING TRAINS : en es
  • US2337967A - Flexible pocket receptacle : en
  • FR888957A - Process for creating the printing light conditions for the production of subtractive images in several colors : en fr
  • IE16591L - Collapsible tubes : en
  • US2337968A - Method of and means for determining antenna constants : en
  • FR889120A - Vacuum vessel for electrical applications : en fr
  • FR889007A - Perfected Wassingue : en fr
  • CA417372A - Flash lamp : en fr
  • CH230334A - Method for filling cavities in electrical equipment with a solid substance. : de en
  • CH230437A - Process for producing a benzenesulfonic acid amide compound. : de en
  • FR889084A - Reel for films intended for taking in the great vacuum : en fr
  • GB558237A - A new or improved method of forming and dressing grinding wheels : en
  • PL32376B1 - Drive device for bicycles with a motor : en pl
  • US2337903A - Pump rotor manufacture : en
  • US2337549A - Antirefill device : en
  • DE743720C - Cushioning, especially for motor vehicles : de en
  • US2337751A - Method of forming composite ingots : en
  • US2337906A - Vaporizer : en
  • US2338030A - Aircraft construction : en
  • DE743671C - Magnetic control device with direct current pre-magnetized choke coil : de en
  • ES155010A1 - A PROVISION WITH THE CORRESPONDING PROCEDURE ON TELEVISION : en es
  • ES161572A1 - PROCEDURE FOR THE MANUFACTURE OF A NEW REFRESHING DRINK : en es
  • FR889102A - Machine for regular wiring of electrical or mechanical cables, strands, etc. : en fr
  • DE743624C - Method for producing a washout relief : de en
  • DE743666C - Electromagnetically driven writing element for mechanical writing process in picture telegraphy : de en
  • ES157764A3 - A PROCEDURE FOR MANUFACTURING PACKAGES OF ALUMINOTHERMAL CHARGES : en es
  • ES168215A1 - ELECTROAUTOMATIC APPARATUS TO AVOID THE FIRE BY SHORT CIRCUIT OF THE ELECTRICAL INSTALLATIONS : en es
  • ES155471A1 - PROCEDURE FOR THE SENSITIZATION OF PHOTOGRAPHIC EMULSIONS OF SILK HALOGEN SAES, THROUGH CARBOCIANIN COLORING MATERIALS : en es
  • ES168086A1 - SYSTEM OF LIGHTING WITHOUT SHADOWS OF A PARTICULAR REGION FROM A UNIQUE LUMINOUS FOCUS, THROUGH WHOSE DEVICES THE MAXIMUM PERFORMANCE AND AN INCREASE IN HAVES OF LIGHT MORE THAN THE OTHER KNOWLEDGE IS ACHIEVED : en es
  • US2337860A - Handbag : en
  • ES161628A1 - IMPROVEMENTS IN THE SUBJECTION DEVICES WITH A SEALABLE CASE : en es
  • FR889061A - Printing process and printing machine for implementing this process : en fr
  • FR889127A - Gas turbine installation intended to generate wind in the blast furnaces : en fr
  • FR888940A - Arc extinguisher with extinguishing chamber : en fr
  • FR889076A - Lock for automatic switches or circuit breakers : en fr
  • ES168209A1 - CHASSIS FOR AUTOMOTIVE CRANE OF UNIVERSAL MOVEMENTS : en es
  • FR889029A - Support beam for annealing furnaces and similar applications : en fr
  • ES160380A3 - A PROCEDURE FOR THE STRUCTURING OF AUXILIARY REMOVABLE METAL FRAMES IN CONSTRUCTION : en es
  • IE16618L - Enzyme extracts : en
  • FR888901A - Braking of AC motors : en fr
  • CA417353A - Clutch and brake system : en fr
  • CH230327A - Turbomachine whose blades with wedge-shaped feet are embedded in grooves with a wedge-shaped cross-section. : de en
  • GB558307A - Process for the manufacture of a flake food : en
  • GB558254A - Improvements in or relating to gear cutters : en
  • FR888958A - Tensioning device for incandescent filaments : en fr
  • ES168205A1 - IMPROVEMENTS IN COMBUSTION HOMES WITH CIRCULAR SWIVELING. : en es
  • US2337731A - Injection nozzle : en
  • ES153842A3 - A PROCEDURE FOR OBTAINING AN ALCOHOLIC BEVERAGE BASED ON ORANGES : en es
  • ES161493A1 - A PROCEDURE FOR THE MANUFACTURE OF WOODEN BELTS FOR TRANSMISSIONS : en es
  • US2337798A - Manufacture of nitrogen sulphide : en
  • DE743669C - Circuit for the transition from a balanced high-frequency arrangement to an unbalanced arrangement : de en
  • DE743519C - Safety clutch for torque transmission : de en
  • FR889022A - Device for interchangeable fixing of electrical devices and instruments with a cylindrical housing on a switchboard or similar part : en fr
  • FR889073A - Process for developing or accelerating the development of certain qualities determinable in advance of plants : en fr
  • GB558273A - Improvements in or relating to the manufacture of dibenzyl derivatives : en
  • US2337822A - Trap for ground burrowing rodents : en
  • ES152101A1 - A DISINTEGRATING MACHINE, FOR THE GRINDING AND MILLING OF PLASTERS OR CERAMIC LANDS : en es
  • GB558236A - Improvements in or relating to pressure gauges : en
  • GB558332A - Improvements in illuminating devices : en
  • PL32370B1 - A method of producing metal-containing dyes : en pl
  • ES158956A1 - A PROCEDURE FOR THE MANUFACTURE OF METAL PLATE BOXES, BAKELITE OR OTHER ANALOG MATERIAL : en es
  • US2337851A - Control system : en
  • USD136922S - Toy figure or similar article : en
  • ES161557A1 - IMPROVEMENTS IN THE WATER UNION, WITHOUT WELDING, OF TUBES : en es
  • PL32378B1 - The method of producing condensation products : en pl
  • US2338048A - Can bag unloader and can unscrambling apparatus : en
  • US2337786A - Hair fastener : en
  • DE742800C - Process for the production of liquid iron or iron alloys by reduction in a rotary furnace : de en
  • DE743459C - Iron spreader : de en
  • DE743546C - Central screw lock for hatch cover : de en
  • ES158870A1 - IMPROVEMENTS IN LIQUID FUEL PUMPS FOR INTERNAL COMBUSTION ENGINES : en es
  • FI19854A - Method for preserving and transporting unadulterated reindeer lichen for ornamental purposes : en fi
  • FR889038A - Forward and Reverse Additional Gear Mechanism for Motor Vehicle Main Gear Shift Mechanism : en fr
  • PL32382B1 - The method of producing plastic masses : en pl
  • FR889083A - Gasifier nozzle and hearth : en fr
  • GB558343A - Improvements relating to pulse modulation communication systems : en
  • FR888955A - Process for preparing aluminum formate : en fr
  • US2337761A - Lathe : en
  • US2337733A - Liner hanger : en
  • US2338069A - Window operator for motor vehicles : en
  • DE743558C - Chain cutting machine with two chain cutting arms : de en
  • FR889066A - Build plate : en fr
  • CA417403A - Blasting machine : en fr
  • ES161626A1 - A PROCEDURE FOR THE MANUFACTURE OF SCREWS : en es
  • US2337734A - Oil burner and liquid fuel inlet therefor : en
  • US2337752A - Means of testing wells : en
  • FR889111A - Process for the production of methyl-p-tolylcarbinol homologues : en fr
  • PL32381B1 - Method for recovering carbon disulphide from chopped viscose fibers and a device for performing this method : en pl
  • PL32357B1 - M? BMJ ////// Card-file box table : en pl
  • ES161189A1 - AN APPARATUS FOR TRANSFERRING A LAYER OF AN IMAGE-BEARING MEDIA FROM A MOVIE BASE TO ANOTHER : en es
  • DE743676C - Process for the production of quinhydrons : de en
  • FR889009A - Microscope and in particular magnetic electron ultra-microscope with intermediate screen : en fr
  • FR889079A - Softeners : en fr
  • PL32375B1 - A method of marking moments of time on an oscillogram and a device for using this method : en pl
  • DE743075C - Process for the preparation of compounds of the tetrahydropyran series : de en
  • FR888945A - Frequency relay : en fr
  • GB558227A - An improved power transmission device : en
  • GB558241A - Improvements in or relating to cathode ray tubes : en
  • CA417455A - Refrigerator car : en fr
  • ES161642A1 - AN APPARATUS OF MAKING PLATES OF ANY KIND AND FORM FOR STEPS : en es
  • ES157959A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 157702 : en es
  • CA417432A - Granule colouring method : en fr
  • US2338037A - Control system for electric valve apparatus : en
  • FR889072A - Bridge-mounted tube voltmeter : en fr
  • DK61750C - Photographic and Cinematographic Film. : da en
  • ES169289A1 - NEW REGULABLE AUTOMATIC GAS BURNER WITHOUT IGNITION FAULTS : en es
  • FI19828A - Ledkort : en fi
  • FR888941A - Protection against overheating in dry running of a liquid heating system : en fr
  • US2338021A - Pressure controlled system : en
  • US2337748A - Means for the control of combined mechanical and hydraulic gearing : en
  • US2338064A - Derivatives of 2,4-oxazolidinedione : en
  • FR888982A - Method and device for balancing gear pumps : en fr
  • ES158547A1 - PROCEDURE FOR THE MANUFACTURE OF TRANSMISSION BELTS : en es
  • FR888949A - Control device, in particular for operating gear change mechanisms in motor vehicles : en fr
  • CA417401A - Rosin size : en fr
  • ES161284A3 - PROCEDURE FOR THE MANUFACTURE OF CARDBOARD SHEETS OR SHEETS FOR THE CONSTRUCTION OF ROOFS OR OTHER APPLICATIONS : en es
  • FR888993A - Image scanning spiral raster television process : en fr
  • ES161504A1 - IMPROVEMENTS IN THE CONSTRUCTION OF HERMETIC CLOSURES FOR BOTTLES AND CONSERVATION CONTAINERS : en es
  • FR889034A - Materials for painting : en fr
  • US2337693A - Salts of sulphamic acids : en
  • US2337816A - Scaling ladder : en
  • GB558238A - Improved towing bar for vehicles : en
  • ES160012A1 - PROTECTIVE DEVICE FOR CONTINUOUS CURRENT GENERATORS : en es
  • BE453326A - : en fr
  • DE743638C - Heating device, especially for motor vehicles : de en
  • CH230324A - Multi-stage counter-rotating axial fan. : de en
  • CH230430A - Process for the preparation of 3'-methyl-4'-methoxy-benzoyl-4-amino-benzenesulfonamide. : de en
  • FR888975A - Conveyor device bringing an object to be opened in an adjustable position to successive working places : en fr
  • FR889085A - Machine for placing closure strips on paper bags and cones : en fr
  • DE743586C - Process for the production of an antimony mosaic for storing picture transmission tubes : de en
  • US2337888A - Glass scoring machine : en
  • US2337806A - Flotation machine : en
  • CA417415A - Steam boiler : en fr
  • CH230311A - Device for rolling for the purpose of straightening band saw blades. : de en
  • ES157169A1 - A PROCEDURE OF CHEMICAL ENRIADO OF VEGETALES, IN ORDER TO OBTAIN FIBERS FOR TEXTILE USES : en es
  • GB558287A - Improvements relating to the refining of copper base alloys : en
  • CA417397A - Shaving implement : en fr
  • US2337563A - Hydroxy steroids and method of obtaining same : en
  • CA417414A - Pump : en fr
  • FI19856A - Piston pump for fly ash : en fi
  • ES151799A1 - IMPROVEMENTS IN THE CONSTRUCTION OF AIRWAYS : en es
  • ES159373A1 - PERFECTIONS IN REFLEX ACOUSTIC CHAMBERS : en es
  • ES161596A1 - PRINTED CALCULATOR MACHINE : en es
  • ES161652A1 - PROCEDURE FOR THE PREPARATION OF POLYSACCHARIDES DERIVATIVES : en es
  • FR889059A - Process for obtaining vinyl esters : en fr
  • FI19858A - Double envelope for secrets or securities : en fi
  • FR888995A - Box unit for projecting small format images and narrow films : en fr
  • FR889053A - Method for the alternative reproduction of sound films with silver soundtrack and color soundtrack : en fr
  • ES152581A3 - A NEW SYSTEM OF SWIMSUIT : en es
  • DE743455C - Device for notching and turning pieces of dough, especially for making bread rolls : de en
  • ES160798A1 - PROCEDURE OF ADHERING OLD ROOF ROPES (WASTE TIRES) WITH REGENERATED RUBBER FOR FOOTWEAR FOOTWEARS CONTAINING FOUR FOLDING ANGULAR FINS : en es
  • FR888937A - Process for preparing a washing agent : en fr
  • FR889054A - Method of threading taps or similar tools of hard or very hard metal : en fr
  • ES155783A1 - VEHICLES TO MARCH FOR ANY TERRAIN : en es
  • FI19836A - Anordning for the purpose of indicating the use of radio equipment and devices : en fi
  • FR888932A - New brightening products and their manufacturing process : en fr
  • US2337820A - Circuit interrupter : en
  • ES156163A1 - PROCEDURE AND DISPOSAL FOR HEATING LIQUIDS : en es
  • GR10204B - HEATING AND COOKING APPLIANCE. : el en
  • DK61740C - Device at Headphone system. : da en
  • DE743475C - Production of filler material made of thermoplastic plastics used for typesetting : de en
  • ES157654A1 - A NEW TRANSPORTABLE, DOUBLE BODY METAL FURNACE FOR THE RAPID PRODUCTION OF VEGETABLE FUELS : en es
  • ES158979A1 - A NEW CALCULATING MACHINE BASED ON ZIPPERS WITH THEIR VARIANTS AND RESULTANTS : en es
  • ES159507A1 - PROCEDURE FOR OBTAINING INSECTICIDES FOR ALL APPLICATIONS AND PARTICULARLY FOR AGRICULTURE : en es
  • ES160753A1 - IMPROVEMENTS IN THE LIGHTNING ADVERTISING SYSTEMS BY TRANSPARENCY : en es
  • CH230242A - Bedroom furnishings. : de en
  • CA417319A - Sawdust burner feeder : en fr
  • ES161619A3 - A PROCEDURE TO COLLECT THE PURE GASES FORMED DURING THE MANUFACTURE OF ACTIVE CARBON : en es
  • GB558292A - Improvements in or relating to carbon-zinc elements for use in dry cells : en
  • US2337767A - Guard for welding tools : en
  • US2337905A - Time delay relay : en
  • DE743535C - Process for producing colored images with a superimposed correction image in a multilayer photographic material with dye formers : de en
  • DE743677C - Process for the production of Kuepen dyes : de en
  • US2337534A - Device for indicating exposure time of printed pages : en
  • DE742572C - Process for printing textile fabrics in planographic printing : de en
  • GB558344A - Improvements in or relating to wooden propellors : en
  • ES159091A1 - AIR ADMISSION PROCEDURE FOR INTERNAL COMBUSTION ENGINES, ESPECIALLY IN AUTOMOBILES : en es
  • FR889099A - Poly-condensation products and their preparation process : en fr
  • US2337712A - Sofa bed : en
  • US2337754A - Mobile hoist : en
  • US2337728A - Air cleaner : en
  • US2337779A - Wheel : en
  • PL32408B1 - Sachsische flrmaturen-Fabrik W. Michalk & Sohn, Dresden Friction pedestal : en pl
  • CA417471A - Keyboard perforator : en fr
  • ES168262A1 - PROCEDURE FOR THE MANUFACTURE OF AN ELASTIC CORD FOR THE TRANSMISSION OF MOVEMENTS TO LSO USES OF THE CONTINUOUS CELLFACTINE MACHINES OF HILAR AND TROCER AND ANALOGUE : en es
  • FR889068A - Process for softening wood fibers intended in particular for brushing and the manufacture of brooms : en fr
  • IE16619L - Enzyme and lecithin extracts. : en
  • CH230295A - Journal block bearing with shaft for rotating parts of fine devices. : de en
  • CH230397A - Equipment on bicycles to use the strength of the arms and back. : de en
  • FR888989A - Circuitry for signal transmission by combinations of current pulses : en fr
  • ES161638A1 - A LOADING DEVICE FOR CUBA OVENS, ESPECIALLY FOR HIGH OVENS : en es
  • FR889026A - Method and device for the transformation of ammonia into nitrogen oxides : en fr
  • US2337814A - Printing device : en
  • US2337824A - Universal street lighting luminaire : en
  • ES161612A1 - A PROCEDURE FOR THE MANUFACTURE OF GRANULATED WELDING : en es
  • CH230356A - Vacuum lock. : de en
  • CA417345A - Frequency changing system : en fr
  • CA417364A - Fluorescent material : en fr
  • US2338038A - Spider for cable reels : en
  • US2337808A - Duplicating machine : en
  • US2337941A - Switching mechanism : en
  • CA417431A - Postage printing machine control system : en fr
  • CH230388A - Bag. : de en
  • CA417387A - Heat cast refractory : en fr
  • CH230396A - A tire of the type known as a glue-tire. : en fr
  • CH230252A - Dobby for looms. : de en
  • CH230403A - Process for manufacturing glass objects with a high silica content and object obtained by this process. : en fr
  • ES161636A1 - ADJUSTMENT DEVICE AND GUIDE FOR THE WORKING PIECE IN MECHANICAL SAWS : en es
  • FR889015A - Method and device for drying grass and the like : en fr
  • PL32356B1 - The method of coating the paint of prints in rotary duplicators and the device for performing this method : en pl
  • US2337616A - Container : en
  • CA417449A - Well bottom hole regulator : en fr
  • US2337784A - Apparatus for treating milk : en
  • US2337935A - Apparatus for forming sheets of plastic substances : en
  • ES159147A1 - PROCEDURE FOR OBTAINING AN ANTIFREEZE COMPITION : en es
  • CH230418A - Process for the production of a new condensation product. : de en
  • CA417329A - Scaffold pole clamp : en fr
  • USD136910S - Design for an arm weapon : en
  • US2337841A - Control valve : en
  • US2337823A - Process for the manufacture of the corticotropic hormone : en
  • US2337825A - Unitfd statfs patfnt offitf : en
  • US2337842A - Welder circuits : en
  • CH230248A - Nonwoven thread wrap and method of making the same. : de en
  • CH230323A - Impeller for centrifugal fans or pumps. : de en
  • CA417325A - Curtain support : en fr
  • US2337575A - Apparatus for making filters and the like : en
  • US2338024A - Hardware : en
  • CH230376A - Circuit with increased freedom from noise for the transmission of electrical high-frequency oscillations. : de en
  • US2337537A - Aiming device : en
  • FR888908A - Multipurpose winch : en fr
  • CH230292A - Image throwing device for creating vivid images. : de en
  • US2337917A - miller : en
  • ES158040A1 - A PROCEDURE TO ENRICH FUEL GASES, IN PARTICULAR THE GASES PRODUCED IN THE GASOGENS : en es
  • DE743442C - Dressing device for grinding wheels : de en
  • DE743424C - Clamping device, in particular slotted collet, clamping sleeve or the like. : de en
  • CH230333A - Process for reliquefaction of the gas produced by evaporation during the transferring and storage of a liquefied gas. : de en
  • ES168287A1 - IMPROVEMENTS INTRODUCED IN THE PROCEDURES OF GALVANOPLASTIA OR PRODUCTION OF ELECTRIC DEPOSITS : en es
  • ES161605A1 - A MACHINE TO MANUFACTURE PRESSURE ELECTRODES FOR ELECTRIC WELDING : en es
  • USD136901S - Display stand or similar article : en
  • ES153587A1 - A TELEVISION ARRANGEMENT WITH A MOSAIC SCREEN ON BOTH FACES : en es
  • DE743691C - Massage device : de en
  • DE743641C - Locking device for ball joints on rearview mirrors, headlights, etc. Like. Of motor vehicles : de en
  • CA417476A - Weighing scale : en fr
  • BE453228A - Process for picking raw hides and furs : en fr
  • ES161570A1 - IMPROVEMENTS IN THE ELASTIC AND ROTATING JOINTS OF ARTICULATION IN CROSS : en es
  • ES158934A1 - PROCEDURE, WITH YOUR CORRESPONDING DEVICE, FOR THE OPERATION IN THE SHUTTLE ON THE TELARES : en es
  • ES159308A1 - IMPROVEMENTS IMPROVED IN THE ON-BOARD APPARATUS SPEED INDICATOR, AVAILABLE : en es
  • US2337677A - Locomotive boiler bracket : en
  • DE743703C - Control of piston engine compressors : de en
  • US2337585A - Roll handling apparatus : en
  • ES158045A1 - IMPROVEMENTS INTRODUCED IN THE ELECTRICAL PORTALAMPERS : en es
  • ES168223A1 - ELECTRIC CALORIFERO ELECTRICAL BURNER OF HERRAJ THAT FIRES THE FUEL BY IRRADIATION, PRODUCING THE HEATING THROUGH A SPECIAL SYSTEM OF AIR CIRCULATION : en es
  • CA417434A - Prepared roofing : en fr
  • ES168244A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • DE743694C - Low frequency induction furnace : de en
  • FR889048A - Process for preparing isoximes : en fr
  • US2337945A - Material feeding apparatus : en
  • USD136924S - Design for a toy submachine gun : en
  • DE743645C - Device on three-speed transmissions with foot shifting to prevent the second gear from being engaged : de en
  • FR889033A - Building plate or similar element : en fr
  • CH230272A - Process for the production of anti-rust coatings on ferrous metals. : en fr
  • GB558223A - Improvements in or relating to electric soldering apparatus : en
  • DE743113C - Resilient mounting of a drive unit for motor vehicles, consisting in particular of a motor, differential and change gear, axle and its suspension : de en
  • DE743667C - Scanning device for television broadcasts : de en
  • ES161070A1 - A VARIABLE COLORFUL ROTATING LUMINOUS APPARATUS : en es
  • US2337720A - Removable drilling bit : en
  • US2338010A - Method and apparatus for fractionating vapor-liquid mixtures : en
  • ES161068A1 - IMPROVEMENTS IN THE ELECTRIC KETTENS : en es
  • DE743596C - Process for the production of artificial threads and films : de en
  • CA417350A - Collapsible mandrel : en fr
  • CA417460A - Railway car : en fr
  • CH230317A - Quick-acting clutch mechanism. : en fr
  • USD136939S - Design for a sock ob similar article : en
  • FR888927A - Guide system for thin safety razor blades during sharpening or other processing : en fr
  • ES158679A1 - A NEW AUTOMATIC PROCEDURE FOR REGISTERING SOUND IN PARALLEL CHANNELS, ON CINEMATOGRAPHIC FILM, OR READING IN THE EVENT OF REPRODUCTION, WITH ALSO AUTOMATIC INVESTMENT OF THE DISPLACEMENT OF THE MOVIE : en es
  • ES159937A1 - PROCEDURE FOR DYEING MEXCLAS OF CELLULOSE FIBERS AND ANIMAL FIBERS : en es
  • ES156624A1 - IMPROVEMENTS RELATIVE TO COLOR-PRODUCING DEVELOPERS AND COLOR DEVELOPMENT PROCEDURES : en es
  • US2337853A - Manufacture of dextrose : en
  • FR888984A - Receiving device for AC telegraphy systems : en fr
  • DE743620C - Electromagnetically controlled injection valve for internal combustion engines : de en
  • US2337923A - Article handling means : en
  • US2338047A - Can closing machine : en
  • US2337595A - Safety razor : en
  • US2337667A - Feed mechanism for assembly machines : en
  • US2337859A - Scum remover : en
  • ES155535A1 - A PROCEDURE TO MAKE WATER AND LIQUIDS IN GENERAL, BUT NOT TO AIR AND TO GASES IN GENERAL, TEXTILE FIBERS OF ALL ORIGIN OR NATURE, NATURAL OR ARTIFICIAL, AND IN GENERAL PROTEIN FIBERS, ANIMAL OR VEGETABLE, NATURAL OR ARTIFICIAL (WOOL, HAIR, RAYON, RETAMA, HEMP, LINEN AND SIMILAR) : en es
  • ES156218A1 - SUSPENSION SYSTEM FOR ONE OR MORE WHEELS : en es
  • FI19851A - Wood splitting machine : en fi
  • FI19862A - Leksak med mekaniskt drivverk : en fi
  • FR888998A - Process for the preparation of valuable reaction products of multi-bonded unsaturated high molecular substances with acids or anhydrides of inorganic acids : en fr
  • ES169282A1 - FLEXIBLE RUBBER HOSE MANUFACTURING PROCEDURE : en es
  • GB558331A - Improvements in and relating to machines for winding yarns and threads : en
  • ES158106A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 158087 : en es
  • US2338076A - Ether esters of diethylstilboestrol : en
  • DE743439C - Motor vehicle with a muffler arranged above the car floor level : de en
  • DE743543C - Anti-theft device acting on the steering device of a bicycle : de en
  • PL32403B1 - Piston for internal combustion engines, with inside £ - * $ J $ / comorespalania / : en pl
  • ES168221A3 - A PNEUMATIC PUMP APPARATUS FOR THE EXTRACTION AND TRANSFER OF LIQUIDS : en es
  • ES161618A2 - IMPROVEMENTS IN THE COMPRESSED ARMOR FOR STRUCTURES BASED ON CEMENT, BRICK, MIXED AND ANALOGUE, OBJECT OF THE MAIN PATENT : en es
  • CH230383A - Device for displaying operating states by means of an indicator arrangement. : de en
  • USD136943S - Design for a dress : en
  • PL32397B1 - Dymitr Petryniuk, Kuty Stare Lj $ tf / iyoo : en pl
  • US2337746A - Lamp and control circuit therefor : en
  • US2337621A - Timing device for script reading : en
  • GB558232A - Improvements in, or relating to, electric plug-and-socket couplings : en
  • DE743244C - Process for the preparation of leuco-sulfuric acid esters of Kuepen dyes : de en
  • ES157110A3 - A PORTABLE DEVICE FOR THE FREE ADMINISTRATION OF OXYGEN THERAPY : en es
  • ES157125A1 - PROCEDURE TO RAISE THE WATER INABILITY OF PLATES AND MOLDED PIECES MADE WITH WOOD FIBROUS SUBSTANCES : en es
  • ES168273A1 - MACHINE TO CHOOSE OR TUNE LSO ANGLES OF CUTTING OF STRAWBERRIES, SCAREERS OR SIMILAR, DENTED IN A STRAIGHT OR SPIRAL : en es
  • ES155390A1 - PROCEDURE FOR OBTAINING GLYCERIN-BASED OINTMENTS AND CREAMS : en es
  • FI19827A - Samlingsearm : en fi
  • FR888920A - Apparatus for squeezing peat out and shaping it into briquettes : en fr
  • FR889010A - Process for obtaining ultra-microscopic images by transparency : en fr
  • GB558270A - An appliance for sowing and distributing seeds, fertilizer and the like : en
  • FR888983A - Improvements made to metal seals : en fr
  • GB558268A - Improvements in a false twisting apparatus for slivers of staple fibre : en
  • DE743744C - Process for drying or thickening solutions or slurries by atomization in contact with heating gas : de en
  • FR888917A - Replacement shoe soles : en fr
  • GB558263A - Improvements in or relating to cocks : en
  • ES161356A1 - PROCEDURE OF UNION TO PLATES OF ALL KINDS OF GLASS OR GLASS SURFACES, APPLICABLE TO CONSTRUCTION, DECORATION AND FURNITURE : en es
  • ES154022A1 - MACHINE FOR CUTTING HOLLOW GLASS ITEMS : en es
  • FI19848A - Method of joining plywood veneer and device for this purpose : en fi
  • GB558296A - Improvements in or relating to the manufacture of solid bases for cellulose derivative lacquers and enamels : en
  • ES159969A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF LAPICEROS PORTAMINAS WITH MINES OF VARIOUS COLORS : en es
  • ES161590A1 - PROCEDURE FOR TRANSVATING LIQUEFIED GASES : en es
  • ES161486A1 - A PROCEDURE FOR OBTAINING MONO AND, REPECTIVELY, SIMMETRIC DIMETHYLUTE : en es
  • US2337809A - Switch : en
  • US2338074A - Method of packaging : en
  • US2337891A - Package : en
  • US2337964A - Direction finder : en
  • US2337700A - Rotary fan : en
  • US2337844A - Predetermining counter mechanism : en
  • ES157272A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUM 150241 : en es
  • DE743652C - Feed water regulator with evaporation and precipitation of a control fluid : de en
  • DE743706C - Control device for injection internal combustion engines with a device for influencing the amount of fuel as a function of the temperature of the charge air : de en
  • DE743741C - Umfuehrungseinrichtung on roller lines : de en
  • ES157150A1 - A PROCEDURE FOR THE MANUFACTURE OF CARBON AGGLOMERATES : en es
  • ES159560A3 - A VIBRATORY SCREENER : en es
  • GB558266A - Improvements in and relating to the mounting and supporting of radio sets in vehicles, aircraft or the like and on wall surfaces : en
  • ES159219A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 155024 : en es
  • DE743670C - Magnetic core with rectangular magnetization characteristic, especially for choke coils in power converters with mechanically moved contacts : de en
  • DE746383A - Space pantograph : de en
  • US2338035A - Cap panel for caskets : en
  • CA417388A - Flat article separating mechanism : en fr
  • CA417447A - Porous formation sealing off method : en fr
  • CA417361A - Fluorescent material : en fr
  • ES158379A1 - A PROCEDURE FOR THE REPAIR OF THE COVERS OF THE BIKES : en es
  • DE743485C - Arrangement for generating synchronizing pulses and for inserting them into the picture signal sequence in television broadcasts : de en
  • FI19870A - Absorptions- or adsorptionskylanläggning : en fi
  • DE743697C - Method for casting refractory metals, in particular for continuous casting of steel : de en
  • FR889057A - Process for manufacturing composite bodies, more particularly safety glass : en fr
  • DE743679C - Process for separating azeotropic mixtures : de en
  • DE743714C - Process for the production of a dry product from raw potatoes : de en
  • US2337578A - Television system : en
  • ES161371A1 - PROCEDURE FOR THE OBTAINING OF ARMOURS OF GLASS, COVERED AND OTHER SPACES, FOR STORAGE AND ANALOGS : en es
  • US2337871A - Electrical control circuit : en
  • ES161573A1 - IMPROVEMENTS INTRODUCED IN THE POWER SUPPLY AND RECTIFICATION SYSTEM OF THE ALTERNATE CURRENT, TO BE USED IN RADIO RECEPTORS AND SOUND AMPLIFIERS : en es
  • US2338078A - Flashlight : en
  • US2338023A - Fastener : en
  • USD136905S - Design for. a foot exerciser : en
  • FR888985A - Combustion chamber for pressurized fireplaces intended in particular for gas turbines : en fr
  • GB558348A - Improvements relating to electromagnetic switches : en
  • ES168230A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF PNEUMATIC RIVETERS : en es
  • US2337682A - Lipstick holder : en
  • US2337939A - Heat-sealing moistureproofing coating : en
  • ES157346A1 - A NEW BANDAGE SYSTEM FOR BICYCLE, MOTORCYCLE AND AUTOMOBILE WHEELS : en es
  • ES161285A1 - A PROCEDURE FOR OBTAINING BRIQUETAS OF FIRST QUALITY, RESISTANT TO THE WEATHER AND TO THE AUA, AND DEVICE FOR ITS REALIZATION : en es
  • ES168256A1 - PHOTOELECTRIC REPRODUCTIVE DEVICE OF LO 2 SOUND BANDS : en es
  • FI19847A - For the purposes of this Regulation : en fi
  • DE743479C - Telegram form for picture machines : de en
  • DK61748C - Radial roller bearing, especially for high impacts and high speeds. : da en
  • US2337899A - Heat exchanger : en
  • ES168235A1 - INSTALLATION OF GASOGEN WITH VIBRATORY FRAME TO POWERED TO SHAKES : en es
  • ES169301A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • GB558330A - Manufacture of new monoazo dyestuffs : en
  • ES161624A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 161488 : en es
  • ES153681A1 - A CHEMICAL PROCEDURE, THROUGH WHICH THE FISH OILS AND IN PARTICULAR THE SARDINE OIL, ACQUIRE PROPERTIES THAT ALLOW THEM TO REPLACE ALL THEIR APPLICATIONS TO THE LINAZA OIL : en es
  • FR888906A - Clutch and gear shift mechanism for all applications, especially for parallel lathes and other machine tools : en fr
  • ES161309A1 - CONTACT PIECE FOR ELECTRICAL MACHINES : en es
  • CA417437A - Testing machine for metallic cartridge belt links : en fr
  • CH230309A - Method for shearing profile bars and the like and device for carrying out the method. : de en
  • DE743690C - Ferrule to be attached to sticks for the disabled when walking : de en
  • US2338014A - Film measuring apparatus : en
  • CH230368A - Process for the preparation of an alkylated phenylisopropylamine. : de en
  • GB558290A - Improved method of obtaining oil from fish livers : en
  • US2337580A - Handle clamp : en
  • US2337645A - Meat treatment : en
  • US2337647A - Gun : en
  • US2337894A - Compartment door latch : en
  • CH230428A - Process for the preparation of a new solid compound of pyridine-B-carboxylic acid diethylamide. : de en
  • US2337571A - Rotary wing aircraft : en
  • US2337689A - Thimble : en
  • CA417445A - Gas-lift control system : en fr
  • PL32426B1 - Device comprising an artificially cooled tubular high-pressure discharge lamp with mercury vapor : en pl
  • CH230399A - Device for achieving smooth running of rail vehicles. : de en
  • DE743708C - Injection carburetor : de en
  • CA417369A - Motor control system : en fr
  • DE743462C - Vertical chamber furnace for distilling coal : de en
  • US2337799A - Ventilator for portholes and like openings : en
  • CH230282A - Skis with protective edges. : de en
  • ES157072A1 - A PERFECTION IN THE MANUFACTURE OF VACUUM CLEANERS AND ELECTRIC FANS OF DIRECTED AIR CURRENT : en es
  • ES159355A1 - IMPROVEMENTS IN IGNITION DEVICES FOR THE LOADING OF PROJECTION OF SPECIAL PROJECTILES : en es
  • FR888973A - Magnesium alloy : en fr
  • PL32404B1 - : en pl
  • US2337807A - Dress shield : en
  • PL32369B1 - Method of saccharifying fiber raw materials : en pl
  • US2337675A - Bookstand : en
  • US2337817A - Loading gate for centrifugal machines : en
  • US2338054A - Can body cooling means : en
  • FR889017A - Machine for checking and sorting machined parts : en fr
  • DE743556C - Device for the treatment or conversion of chemical substances by means of ultra-short electrical waves : de en
  • CH230265A - Process for producing a diacylimide. : de en
  • CH230268A - Process for the production of a hardenable condensation product for electrical engineering. : de en
  • DE742811C - Process for the production of Kuepen dyes of the dibenzpyrenquinone series : de en
  • DK61755C - Tap machine. : da en
  • ES157704A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF GLASS CONTAINERS, WITH CHAMBERS HERMETICALLY DIVIDED BY PARTITIONS AND PROCEDURE FOR THEIR CLOSURE : en es
  • CH230260A - Process for the production of mushrooms particularly suitable for animal feed. : de en
  • US2337672A - Manufacture of multicellular glass : en
  • US2337753A - Airplane stall and high-speed indicating apparatus : en
  • US2337897A - Fluid actuated rotary tool : en
  • US2338063A - Method for converting hydrocarbon oils : en
  • CH230281A - Music piece. : en fr
  • DE743662C - Process for improving the water solubility of esters of p- or m-oxybenzoic acid : de en
  • ES161455A1 - A MACHINE FOR MECHANICALLY COATING ANOTHER BRAID FOR ALPARAGATAS WITH A LAYER OF HEMP, LINEN, JUTE OR OTHER FIBER : en es
  • GB558324A - Improvements relating to carpets, rugs, mats and the like : en
  • DE743565C - Process for dyeing animal fibers with complex metal compounds of associated azo dyes from sulfuric acid bath : de en
  • US2337723A - Garment hanger : en
  • ES161599A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • ES168226A1 - REDUCING LAMINATOR FOR TORCHES AND BARS : en es
  • US2337722A - Photofluorographic apparatus : en
  • DE743453C - Process for the hydrolysis of vegetable matter with acids : de en
  • GB566462A - Improved means for controlling the operations of the cooling gills of air-cooled aero engines : en
  • FR889103A - Safety device for the wing nut fixing a bicycle pump : en fr
  • FR889114A - Fruit picker : en fr
  • DE743498C - Air-cooled metal vapor converter : de en
  • ES159475A1 - IMPROVEMENTS INTRODUCED IN THE CHROMOGENIC PHOTOGRAPHIC REVEALERS : en es
  • CA417379A - Refrigeration apparatus : en fr
  • DE743499C - Device for irradiation : de en
  • ES158595A1 - PROCEDURE TO MARK THE ERASING GUMS : en es
  • ES158775A1 - DEVICE FOR SHOOTING FROM FIRE MOUTHS OR CANNED CARTRIDGE OR PROJECTILE WEAPONS : en es
  • ES160217A1 - IMPROVEMENTS IN TOWER CRANES OBTAINED WITH EASILY MOUNTED AND REMOVABLE SUPERPOSAL ELEMENTS : en es
  • CH230300A - Casting process. : de en
  • ES161641A1 - A DEVICE TO EVAPORATE SILVER AND ITS COMBINATIONS : en es
  • US2337928A - Process for reutilizing waste material : en
  • US2337839A - Acoustical device : en
  • US2337884A - Drive transmission in motor vehicles : en
  • ES168194A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR888904A - Feed control device for machine tools : en fr
  • ES161588A1 - IMPROVEMENTS IN THE RECTIFIED COMBINING MACHINES : en es
  • GB558262A - Improvements in or relating to the purification of gelatin : en
  • CA417333A - Corn drying mill : en fr
  • DE742899C - Device for the cascading amplification of electrical current fluctuations : de en
  • ES156948A1 - A PROCEDURE FOR THE OBTAINING OF NEW CALCINATED HARD ALLOYS : en es
  • ES160238A3 - A PROCEDURE FOR FILLING WITH ANTI-FRICTION METALS OF BEARINGS, RODS AND OTHER ORGANS WITH SLIDING SURFACE IN GENERAL : en es
  • FR888969A - Magnesium alloy : en fr
  • US2337539A - Baking dough rolling machine : en
  • US2337949A - Circuit breaker : en
  • US2338004A - Arrangement for repeater stations in electric communication systems : en
  • US2338046A - Landing gear of airplanes : en
  • DE742704C - With a braking device provided wheel body for vehicles or aircraft : de en
  • US2337663A - Tool holder : en
  • DE743007C - Process for the preparation of sulfamide derivatives : de en
  • US2337931A - Coin bank and blank for making the same : en
  • USD136902S - Lapel ornament or similar article : en
  • ES168189A1 - IMPROVEMENTS IN THE 2-STROKE ENGINES WITH OPPOSITE POCKETS, ONE WORKING INSIDE THE OTHER, ALLOWING THE DIRECT INJECTION OF COMBUSTION AT ANY MOMENT OF THE COMPRESSION TIME : en es
  • BE453262A - LOOP-SHAPED CONTACT SPRING, FOR ELECTRICAL APPLIANCES : en fr
  • GB558272A - Improvements in or relating to controls for mechanically propelled vehicles : en
  • DE743526C - Process for the electrolytic production of oxide-containing coatings on aluminum-free magnesium alloys : de en
  • ES158464A1 - IMPROVEMENTS IN THE FACILITIES FOR THE MANUFACTURE OF FUELS FOR GASÓGENOS : en es
  • DE743438C - Aircraft landing gear : de en
  • ES151338A1 - NEW PERFECTIONS IN THE PROTECTIVE MASKS AGAINST GASES AND IN THE MANUFACTURE OF ITS CARTRIDGES FILTERS : en es
  • ES160300A1 - A PROCEDURE FOR THE MANUFACTURE OF A SYNTHETIC FIBER OF SIMILAR FEATURES TO CURED ANIMAL SKINS : en es
  • ES161585A1 - A PROCEDURE FOR THE MANUFACTURE OF FLEXIBLE CABLE FOR THE TRANSMISSION OF FORCE : en es
  • DE743468C - Process for the preparation of nitrogenous compounds : de en
  • PL32365B1 - A method of making potato vinegar : en pl
  • FR889028A - Sewing process on wooden soles for shoes : en fr
  • FR889042A - Improvement of coat hooks : en fr
  • ES159712A1 - A CONNECTION PROVISION FOR THE TRANSMISSION OF SIGNALS BY MEANS OF COMBINATIONS OF CURRENT IMPULSES : en es
  • DE743614C - Device for the automatic determination of the number of pieces for two and multiple machine operation : de en
  • US2337972A - Process of coating metals : en
  • DE743581C - Rapid steam generator : de en
  • DE743600C - Sick bed with a head section that can be adjusted by the patient himself : de en
  • ES157111A3 - PORTABLE DEVICE FOR INHALATION AND CLOSED CIRCUIT OXYGEN THERAPY : en es
  • FR889023A - Compounds having two hydro-aromatic rings and processes for the preparation of these compounds : en fr
  • ES156063A1 - A TRANSITION PROCEDURE FOR PASSING A COUPLING TO ANOTHER IN THE GROUPINGS OF CONTINUOUS CURRENT ENGINES : en es
  • GB558233A - Improvements in or relating to solid marking implements or marking sticks, and method of making the same : en
  • ES159020A1 - A GASOGEN : en es
  • ES151670A3 - A PROCEDURE FOR THE MANUFACTURE OF ARTICLES SUBJECT TO BE CONSTITUTED BY GLASS MATERIALS : en es
  • FI19865A - Anordning vid sopkärl med uppfällbart och löstagbart lock : en fi
  • FR888934A - Roller jamming snap-in : en fr
  • GB558311A - Electric wave transmission system : en
  • CA417359A - Electrical reactor manufacture : en fr
  • ES161632A1 - PROCEDURE FOR THE MANUFACTURE OF ALLIGATOR TYPE STAPLES FOR SEWERING CASES : en es
  • US2337561A - Handle : en
  • US2337789A - Cooling device : en
  • ES160878A1 - COOLING SYSTEM IN TURBOTRANSFORMERS, ESPECIALLY FOR AUTOMOBILE VEHICLES : en es
  • ES168195A1 - IMPROVEMENTS IMPROVED IN THE HEAD OF THE 4-TIME EXPLOSION ENGINES : en es
  • ES159967A1 - A PRESSURE PAD, ESPECIALLY FOR PRESSES OF PEGAR FOOTWEAR : en es
  • CH230435A - Process for the production of a therapeutically valuable salt. : de en
  • DE743611C - Ring scale for large measuring range : de en
  • ES161495A1 - IMPROVEMENTS IN PROCEDURES FOR MANUFACTURING AND USING AGGLUTINANT LIQUIDS TO PELT MUNAS OF POINT, TISSUE AND SIMILAR GENRES, OF NATURAL OR ARTIFICIAL TEXTILE FIBERS : en es
  • ES168201A1 - IMPROVEMENTS IN THE CONSTRUCTION OF TIRES FOR BICYCLES AND OTHER LIGHT VEHICLES : en es
  • ES161323A1 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 161488 : en es
  • FR889136A - Electric capacitor with dielectric formed by transformation of the metal of the reinforcements : en fr
  • DE743564C - Process for dyeing raw vegetable fibers with substantive dyes using fiber-disintegrating agents at the boiling point : de en
  • US2337657A - Cartridge feed-belt for machine guns : en
  • FR889082A - Electrode arrangement for resistance, spot or line welding, in particular for welding of light metals : en fr
  • CA417469A - Sensing apparatus : en fr
  • CH230227A - Device for assembling elements intended to form construction angles. : en fr
  • ES168218A1 - MECHANISM OF ATTRACTION OR CENTER FOR THE BOGIAS D THE VEHICLES THAT CIRCULATE ON LANES : en es
  • ES158079A3 - A PROCEDURE FOR THE MANUFACTURE OF THE EXTERIOR PART OF A LOCK NUT IN TWO PIECES : en es
  • DE743484C - Arrangement for generating periodic pulses : de en
  • DE743637C - Warning sign that can be folded down on the roof of a motor vehicle, in particular to indicate that trailers are being carried : de en
  • US2337649A - Oven for drying metal sheets : en
  • US2337957A - Pipe marking and cutting gauge : en
  • ES168237A3 - A PROCEDURE FOR THE MANUFACTURE OF PASTS FOR POLISHING ALL KINDS OF METALS : en es
  • DK61758C - Apparatus for Cutting Cover Covers or Covers for Cigars. : da en
  • ES158624A1 - PROCEDURE FOR THE PREPARATION OF PHOTOGRAPHIC EMULSIONS BASED ON SILVER HALOGENURO : en es
  • DE741918C - Closing body or base made of ceramic building material for electric light bulbs and discharge vessels : de en
  • FR889125A - Heat transfer agents : en fr
  • CA417444A - Porous formation sealing composition : en fr
  • PL32367B1 - The method of making foundry molds and cores —¦¦¦ »» ¦¦ '"' / MR.I : en pl
  • US2338052A - Crown cap for containers : en
  • CA417347A - Telephone impulse sender : en fr
  • USD136929S - Design for a coin bank : en
  • DE743701C - Overflow pipette with valve rod : de en
  • ES156829A1 - DEVICE FOR THE USE OF ACETYLENE AS A FUEL IN CAR VEHICLES : en es
  • US2337533A - Signal generator : en
  • US2337620A - Damming attachment for listers and lister seeders : en
  • CA417475A - Foundry mould composition : en fr
  • PL32392B1 - A method of producing lightweight insulation and building boards : en pl
  • CA417391A - Tire treating apparatus : en fr
  • CA417424A - Heated press : en fr
  • DE743602C - Binder for foundry molds and cores : de en
  • ES168207A3 - CONTINUOUS JET PUMP : en es
  • DE743554C - Process for the production of an oak imitation by deep pore : de en
  • ES158204A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRIC CABLES WITHOUT LEAD PLUM : en es
  • US2337604A - Food chopper : en
  • DE743650C - Water tube boiler : de en
  • CA417470A - Telegraph transmitting system : en fr
  • CH230226A - Method and device for drying grass and the like. : de en
  • CH230404A - Cooking box designed as a suitcase. : de en
  • BE453328A - : en fr
  • FI19842A - For example, a special purpose is provided : en fi
  • GB558299A - Improvements in or relating to electrical temperature indicators : en
  • US2338007A - Cake and fruit knife : en
  • CA417373A - Induction meter : en fr
  • CH230367A - Process for the preparation of (3'-methyl-cyclopentane) -1 ', 5-spiro-1-methyl-2,4,6-triketohexahydropyrimidine. : de en
  • PL32361B1 - Rolling device for sliding doors : en pl
  • US2337535A - Warning indicator for the instrument panels of airplanes and the like : en
  • USD136945S - Design fob a sock ob similar article : en
  • PL32425B1 - Langschienen Gesellschaft m. B. H., Wieden Lübeck rails joint riveted : en pl
  • CA417406A - Stabilized dry rosin size : en fr
  • USD136930S - Badge or similar article op jewelry : en
  • FR888954A - Method for regulating the power of motive power thermal installations : en fr
  • DE743747C - Process for processing raw ammonia water : de en
  • CA417454A - Refrigerator car : en fr
  • DE743544C - Bicycle frame with three arms branching off from the bottom bracket : de en
  • ES161558A2 - IMPROVEMENTS IN THE PROCEDURE FOR THE CARBONIZATION OF PLANT RESIDUES, OBJECT OF THE MAIN PATENT : en es
  • CH230415A - Process for the production of a new condensation product. : de en
  • PL32424B1 - A method of welding, by means of an electric arc, between metal poles of objects made of metals with high thermal conductivity, e.g. copper and its alloys, using electrodes provided with a coating of non-conductive material and an electrode for welding in this way : en pl
  • US2337948A - Door hinge : en
  • US2337566A - Anthraquinone compounds : en
  • CA417419A - Switch control device : en fr
  • ES158378A1 - DEVICE CONSISTING OF A HERMETIC VACUUM METAL CONTAINER TO TREAT A MATERIAL INSERTED IN THE VACUUM : en es
  • ES160866A1 - A PROCEDURE FOR MANUFACTURING A SHELVING WITH SHORES : en es
  • US2337982A - Control device : en
  • US2337919A - Tie fabric and lining, assembling and sewing : en
  • US2337614A - Airport runway clearance indicating system and light unit : en
  • US2337685A - Lighting fixture : en
  • ES160118A1 - AN IMPROVEMENT IN THE CONSTRUCTION OF ELECTRIC DRY BATTERIES : en es
  • GB558277A - Improvements relating to lighters using vaporisable fluids : en
  • US2337590A - Method for the manufacture of sandals and similar footwear : en
  • CH230391A - Tube closure. : de en
  • CH230308A - Thread cutting head. : de en
  • CA417488A - Adjustable antenna device : en fr
  • FR889144A - Arrangement for the transmission and reception of very short electric waves : en fr
  • ES168225A1 - IMPROVEMENTS IN THE MACHINES OF HILATURA CALLS MECHERAS : en es
  • FR889027A - Filtered : en fr
  • DE746406A - Control device for typewriters that work with calculating machines, punched card machines or the like : de en
  • FI19835A - The antenna is located on the horizon plane of the enclosure : en fi
  • FR889035A - Freely mounted rifle scope, especially with unity magnification : en fr
  • GB558313A - Improvements in securing metallic skins to aircraft structures : en
  • ES161639A1 - AN ELECTRICAL MACHINE FOR THE OPERATION OF FRICTION WHEEL CONTROLS : en es
  • DE743549C - Process for covering characters or other films that support images : de en
  • PL32359B1 - Method of firing or sintering mortar bonding materials, agglomerating and smelting ores or similar materials : en pl
  • US2337627A - Locking assembly for automobile wheels and parts thereof : en
  • US2337930A - Spark plug insulator : en
  • ES168227A1 - REPRESSING EQUIPMENT AND SUPPLIER OF AMOUNTS OF MATERIAL MIXTURES MAINTAINING THE HOMOGENEITY AND CONSISTENCY OF THE MISM : en es
  • FR888922A - Process for the extraction of cellulose and apparatus for carrying out this process : en fr
  • DE743711C - Deflagration chamber, preferably for deflagration internal combustion turbines : de en
  • CA417385A - Heat cast refractory : en fr
  • CA417439A - Pipe manufacturing apparatus : en fr
  • US2337550A - Die casting-plastic injection method of molding : en
  • US2337893A - Combination valve, strainer, and preheater : en
  • DE743713C - Process for utilizing the proteins and the vitamin content of potato fruit water : de en
  • ES157366A1 - ELECTRIC MACHINE FOR FISH DISCHARGING : en es
  • FR889002A - New notebook system : en fr
  • ES159159A1 - A PROCEDURE FOR THE SEPARATION AND USE OF STRAW POWDER : en es
  • ES159715A1 - PROCEDURE FOR THE APPLICATION OF FUND ENAMEL : en es
  • ES158246A1 - IMPROVEMENTS INTRODUCED IN THE ASSEMBLY OF AMPLIFIERS : en es
  • FR889078A - Process for preparing condensation products : en fr
  • CA417417A - Welding rod : en fr
  • US2338029A - Well surveying apparatus : en
  • US2338065A - Gear pump : en
  • ES159078A1 - IMPROVEMENTS IN THE MANUFACTURE OF TOOLS WITH APPLICATIONS OR INSERTIONS OF HARD METAL FOR STRONG MECHANICAL EFFORTS, ESPECIALLY FOR PERCUTATION DRILLING IN ROCK OR STONE : en es
  • DE743494C - Welding press for repairing faults in plastic-coated cables : de en
  • GB558326A - Improvements in and relating to boiler furnaces : en
  • ES168252A1 - PROCEDURE FOR OBTAINING NEW DERIVATIVES OF SULFANILAMIDE : en es
  • DE743584C - Pressure generator for hydraulic brakes : de en
  • ES160358A1 - IMPROVEMENTS IN THE CONSTRUCTION PROCEDURE OF ARMED CONCRETE FLOORS : en es
  • GB558286A - Halogeno-ketones : en
  • FI19849A - Wood preservative : en fi
  • ES158186A1 - PROCEDURE, WITH ITS DEVICE, TO PRODUCE CORNER TIPS ON NEEDLES, HOOKS OR OTHER MATERIAL WITH MORE OR LESS ROD SHAPE : en es
  • US2337592A - Harvester : en
  • DK61760C - Procedure and Plant for drying solid, aqueous substances. : da en
  • PL32399B1 - Erich Schumm, Stuttgart F 2H C Foldable cooking machine heated with fuel tablets or liquid fuel : en pl
  • FR888931A - Improvement in the process of delignification of plant cellulosic materials by hot water under pressure : en fr
  • DE743473C - Radiant steam generator : de en
  • GB558257A - Improvements in or relating to electric switches sensitive to small operating movements : en
  • GB558267A - Improvements in and relating to spectacles : en
  • FI19860A - Anordning för extra avtätning av huvmasker : en fi
  • FR889089A - Pasta preparation plant : en fr
  • FR889036A - Process for the purification of glues and gelatins : en fr
  • FR889075A - Electromagnetic device influencing the action of a permanent magnet : en fr
  • FR889134A - Method of improving the resistance to high temperatures of stretched polymers : en fr
  • US2337654A - Box : en
  • ES153275A1 - IMPROVEMENT OF A CERAMIC OVEN : en es
  • DE743704C - Rotary piston internal combustion engine with a screw runner : de en
  • DK61753C - Machine for making decorative capsules of metal foil and for placing them in bottles or similar containers. : da en
  • ES161646A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 161590 : en es
  • ES160973A1 - A PROCEDURE FOR FILLING THE AIRCRAFT OF THE TIRES IN THE AUTOMOBILE VEHICLES : en es
  • GB558235A - Improvements in or relating to electric controllers : en
  • US2337612A - Indicator : en
  • US2337902A - Power operated window regulator : en
  • CH230312A - Process for obtaining plastic forms of statuary art and plastic form obtained by this process. : en fr
  • ES142860A3 - A process for the production of cattle feed tablets with mutually complementary pairs of molds. : en es
  • ES161604A2 - IMPROVEMENTS IN THE CARBONIZATION OVEN OBJECT OF THE MAIN PATENT : en es
  • GB558329A - Vulcanisation of rubber : en
  • US2337916A - High voltage transformer : en
  • US2337637A - Power lift : en
  • US2337771A - Energizer : en
  • US2337802A - Vulcanization of rubber : en
  • PL32351B1 - 1. G. Farbenindustrie Aktiengesellschaft, Frankfurt n. M. '* Artificial teeth : en pl
  • DE743685C - Coal combustion for radiation boiler : de en
  • FR889047A - Process for the direct preparation of cyclohexanonoxime : en fr
  • US2337974A - Noise reduction measuring system : en
  • US2337794A - Lighting equipment : en
  • CH230277A - Type bodies, in particular for typewriters. : de en
  • CH230409A - Process for the production of a new condensation product. : de en
  • CH230425A - Process for the production of a green vat dye of the dibenzanthrone series. : de en
  • ES154745A1 - A NEW PROCEDURE TO OBTAIN CELLULOSE OR CHEMICAL PASTE : en es
  • US2337629A - Tension gauge for hack saw blades : en
  • ES159576A1 - CONNECTION DEVICE FOR TRANSMITTING SIGNALS BY COMBINATIONS OF CURRENT IMPULSES, WHICH ARE FORMED OF TWO CLASSES OF IMPULSES (FOR EXAMPLE + AND -) AND ZERO : en es
  • FR889149A - Impact clutch : en fr
  • CH230378A - Device with a balanced high-frequency circuit which comprises two metal vessels which form the connection poles of the circuit. : de en
  • US2337861A - Propeller : en
  • CA417332A - Well drilling mud : en fr
  • ES158343A1 - PROCEDURE FOR WORKING WOOD CRUSHED AND SIMILAR, SACRIFICÁNDOLA BY ACID HYDROLYSIS AND INSTALLATION TO TAKE IT TO PRACTICE : en es
  • FR889121A - Method of Obtaining Flashing Heading Line Indications : en fr
  • ES158277A1 - A VEGETAL CARBON APPLIANCE REPLACING THE LAMP IN THE INCUBATORS : en es
  • ES159603A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 151890 : en es
  • ES160806A1 - IMPROVEMENTS IN PROCEDURES FOR MANUFACTURING FELTS : en es
  • US2337819A - Drill point gauge : en
  • ES153688A3 - IMPROVEMENTS IN THE BICYCLE BRAKES : en es
  • DE743580C - Device for removing deposits from pipes : de en
  • DK61747C - Pulsator for Vacuum Milking Machines. : da en
  • FR889142A - Device for reducing the oscillation at the neutral point of polyphase transformers : en fr
  • US2337648A - Combination adapter pad and disposable bag : en
  • US2337811A - Phonograph stopping means : en
  • US2337565A - Circuit breaker : en
  • ES159259A1 - A PROCEDURE FOR THE MANUFACTURE OF BORLAS PARA POLVERAS : en es
  • ES153490A1 - A PROCEDURE FOR THE ABOMBATION OF METALLIC CYLINDRICAL SHEETS : en es
  • DE743610C - Trend indicator for measuring instruments : de en
  • US2338053A - Protection of brakes employed in systems for the extraction of sugar from sugar bearing materials : en
  • CH230438A - Process for producing a benzenesulfonic acid amide compound. : de en
  • FR888905A - Tire improvements : en fr
  • FR889067A - Steam sterilization apparatus with superimposed sterilization material containers : en fr
  • FR889077A - Device for measuring thread tension in textile machines : en fr
  • ES145893A1 - A new pipe assembly system or other pipeline elements. : en es
  • ES160276A1 - GASOLINE POWER COMPENSATOR FOR ENGINES FUELED BY GASOGENS : en es
  • US2337981A - Method of coating fiber containers : en
  • US2337827A - Overhead trolley system : en
  • US2337908A - Gutta-percha-like compositions : en
  • USD136916S - Design fob a jerkin apron : en
  • DE743649C - Formation of the riser pipes of steam generators on a pipe section laid with a slope in front of the confluence with the upper drum : de en
  • ES153379A1 - A PROCEDURE FOR THE MANUFACTURE OF ELECTRIC SHOCK VALVES : en es
  • ES153857A1 - A PROCEDURE FOR THE SEPARATION OF MINERALS : en es
  • ES161348A3 - IMPROVEMENTS IN FLOTATION CELLS FOR THE TREATMENT OF MINERALS AND ANALOGUES : en es
  • US2337591A - Automatic chain tensioning device : en
  • US2337632A - Ventilator or window : en
  • US2338011A - Ring binder : en
  • DE743668C - Circuit to avoid over-limiting with backward regulated amplitude limiters : de en
  • DE743616C - Device for generating mechanical vibrations : de en
  • ES161650A1 - MICROPHONIC DISPOSAL FOR RECEIVING STEREOTONS : en es
  • FR889124A - Fully shielded spark plug : en fr
  • FR889135A - Charging device for arc furnaces : en fr
  • ES159544A1 - MANUFACTURE PROCEDURE OF SOLE AND RUBBER HEEL, VULCANIZED IN A SOLE PIECE : en es
  • FI19831A - Förfaringssätt att avlägsna arsenik och phosphor ur Malmer : en fi
  • FI19834A - Anordning vid superheterodynmottagare för undertryckande av störande signalfrekvens : en fi
  • US2337560A - Ophthalmic mounting : en
  • CA417330A - Fibrous container : en fr
  • US2337999A - Seaming head and mounting thereon : en
  • US2338006A - Supporting clip for conduits : en
  • US2337586A - Belt transmission mechanism : en
  • CH230245A - Insulated containers for protection against the effects of temperature, in particular for the storage and transport of food and beverages. : de en
  • CH230279A - Process for developing diazo blueprint material. : de en
  • CH230299A - Magnesium alloy. : de en
  • US2337929A - Apparatus for reducing bias in telegraph signals : en
  • US2337581A - Sheet pulp containing forming apparatus : en
  • US2337597A - Deflocculent for clays : en
  • US2337793A - Highway marker : en
  • US2337995A - Separable fastener : en
  • CA417358A - Multiple fusible connector : en fr
  • US2337735A - Electrical plug : en
  • FR888916A - Flexible metal-frame shoe sole : en fr
  • CA417395A - Calculating machine : en fr
  • CA417466A - Selector apparatus : en fr
  • CH230230A - Booth. : en fr
  • CH230338A - Extra high voltage isolator for low frequency power transmission systems. : de en
  • DK61741C - Dashboard with detachable extension. : da en
  • ES168271A1 - PROCEDURE FOR MANUFACTURING GLASS PACKAGING SHIELDS : en es
  • CH230289A - Method and device for detecting the passage of a continuously changing variable through a certain value. : de en
  • CH230387A - Thermally insulating protective device consisting of a shell and a filling compound introduced therein. : de en
  • CH230447A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • US2337573A - Fluid device : en
  • US2338077A - Fluorescent lamp fixture : en
  • US2337856A - Process of retarding the corrosion of metal by water : en
  • PL32412B1 - Mahle Komm.-Ges. *), Stuttgart-Bad Cannstatt Light metal piston for combustion engines : en pl
  • ES158516A1 - A PROCEDURE TO SEPARATE FRAGMENTARY MATERIALS : en es
  • FI19857A - Anordning för att lösbart förbinda kedjor, remmar och dylikt : en fi
  • DE743502C - Eye magnet made of a permanent magnet material with a preferred magnetic direction : de en
  • US2337904A - Creel : en
  • DE743508C - Process for the production of films from molten linear polymers, especially polyamides : de en
  • ES156578A1 - IMPROVEMENTS IN THE MANUFACTURE OF SPRING PADS : en es
  • ES158800A3 - AN APPARATUS FOR THE PROJECTION, BY REFLECTION, OF DRAWINGS AND DEVICES ESTABLISHED ON TAPES OR BANDS : en es
  • DE743631C - Compressed air switching device for gearboxes of motor vehicles : de en
  • CA417409A - Variable delivery pump : en fr
  • PL32405B1 - Method for measuring deformation by means of X-rays : en pl
  • US2337608A - Liquid level indicator : en
  • US2337991A - Bogie wheel : en
  • US2337676A - Furnace control : en
  • US2337686A - Process for the conversion of refuse into a humus fertilizer material : en
  • US2337900A - Telephone apparatus : en
  • US2337812A - Airplane : en
  • US2337881A - Wire drawing machine and method : en
  • US2337847A - Revertible draft stove : en
  • US2337944A - Catalytic reactions with carbonaceous materials : en
  • US2338003A - Process of packaging and sterlizing food products : en
  • DE742864C - Manufacture of azo dyes : de en
  • DE743507C - Feeding device for rolling mills : de en
  • US2337548A - Autographic register and method : en
  • DE743656C - Steam generator for locomotives with indirect heating : de en
  • DE743738C - Welding torch for igniting explosive rivets : de en
  • DE743500C - Electric instant water heater : de en
  • FI19867A - Compatibility and rules of procedure : en fi
  • FR888988A - Floor heating system for muffle furnaces, chamber furnaces and similar furnaces : en fr
  • FR889000A - Rolled sheet bearings : en fr
  • ES160630A1 - IMPROVEMENTS INTRODUCED IN THE ASSEMBLY OF THE OSCILLATING AXES OF INCLINED VEHICLE FRAMES : en es
  • ES158507A3 - SILENT TURNER WITH AUTOMATIC LEVER HITCH ON FLAT CIRCULAR SURFACE, FOR MACHINING AND DRILLING MECHANICAL PARTS : en es
  • US2337596A - Carton : en
  • US2337750A - Nonoverfill device : en
  • US2337953A - Telephone headset : en
  • US2338055A - Conveyer organization for can end drying machines : en
  • PL32421B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven Electric vibration amplification system : en pl
  • FR889037A - Improvements to containers intended to contain articles such as rivets, screws, pins and the like : en fr
  • AU1241943A - Improvements relating to electric fuses of the cartridge type : en
  • CH230346A - Short-circuit proof automatic switching device. : de en
  • CH230360A - Dimming device for headlights, in particular for hand lamps. : de en
  • CH230414A - Process for the production of a new condensation product. : de en
  • CA417342A - Hammer for centrifugal devices : en fr
  • PL32373B1 - Rivet sorting device : en pl
  • FR888974A - Improvements to power outlets for mobile transformer stations : en fr
  • DE743751C - Printing inks for printing with rubber printing plates : de en
  • CA417323A - Cellulose product : en fr
  • DE743547C - Device for regulating the nib length of slotted nibs, especially for fountain pens : de en
  • CH230364A - Process for the production of a dioxyacetone monoether. : de en
  • CH230448A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • US2337697A - Work-setting indicator : en
  • USD136903S - Design for. a lace : en
  • ES160744A1 - A PROCEDURE TO MAKE SOLID RIMS OF ROZADURA : en es
  • ES168208A1 - STEREORADYSCOPIC APPARATUS TO OBTAIN THE VISION IN RELIEF OF THE RADIOSCOPY AND THE ESTEROSCOPIC RADIOGRAPHY MADE WITH A PLATE IN A SINGLE TIME : en es
  • CH230345A - DC multi-motor drive. : de en
  • DE743318C - Use of ricinoleic acid esters of aliphatic monohydric alcohols as plasticizers for polyvinyl halides : de en
  • DE743709C - Process for producing a gas-tight connection between the electrode provided with a collar and the ceramic insulating body of spark plugs : de en
  • CA417368A - Protective fuse device : en fr
  • US2337708A - Brake gear support : en
  • DE743613C - Device for measuring high gas or liquid pressures : de en
  • ES157382A1 - A PROCEDURE, WITH YOUR DEVICE, TO DEHYDRATE BULK MATERIAL THROUGH ELASTIC PLATES : en es
  • ES157702A1 - A PROCEDURE FOR MANUFACTURING A TURBINE-BASED FUEL : en es
  • CH230266A - Process for the production of a sulfur dye. : de en
  • US2337635A - Vinyl resin composition : en
  • DE742770C - Process for the enrichment of an antithyroid protective substance : de en
  • PL32388B1 - August Thyssen-Hutte flktiengesellschaft, Duisburg-Hamborn The bottom of the converter : en pl
  • CA417380A - Mixed aryl hydroxyalkyl amine production : en fr
  • CH230365A - Process for the preparation of vitamin B1. : de en
  • US2337926A - Control apparatus : en
  • US2337846A - Amides of cycloalkyl-substituted saturated aliphatic-carboxylic acids : en
  • CA417399A - Corrosion inhibition process : en fr
  • CA417377A - Refrigerating apparatus : en fr
  • GB558261A - Improved means for impregnating fabrics with liquids : en
  • DE743534C - Photographic developer : de en
  • CA417413A - Typewriter and punching device : en fr
  • US2338036A - Cathode ray device : en
  • CH230390A - When compressed flat, stackable packaging with frontal hollow closure. : de en
  • US2337813A - Counting apparatus : en
  • US2337579A - Filter element : en
  • DE743461C - Process for the production of colored reserves with sulfuric acid ester salts of leukokuepen dyes under aniline black : de en
  • DE743492C - Multi-conductor telephone cord : de en
  • GB558291A - Improvements in and relating to carburettors : en
  • ES161653A1 - IMPROVEMENTS IN COSMETIC PREPARATIONS : en es
  • FR888968A - Process for the production of di- and polynitriles : en fr
  • ES161614A3 - A TWO-PIECE, LINED BUTTON MANUFACTURING PROCEDURE : en es
  • US2337830A - Protective pilot wire control system : en
  • US2337955A - Folding cot and chair : en
  • USD136933S - Design for an apron : en
  • ES160977A1 - IMPROVEMENTS IN SHIP HELMETS TO OBTAIN HIGH SPEEDS : en es
  • US2337542A - Thin charge transfer : en
  • US2337588A - Composite porous metal article : en
  • US2337622A - Container and closure structure : en
  • US2337543A - Internal combustion engine : en
  • US2337717A - Vehicle brake and propulsion control : en
  • DE743633C - Joint for tie rods and control rods, especially on motor vehicles : de en
  • US2337656A - Container : en
  • US2337977A - Braiding machine : en
  • ES155477A3 - AN ELECTRICAL DEVICE TO HEAT THE TIRE COVERS DURING THEIR REPAIR : en es
  • GB558297A - Improvements in and relating to the production of crimped threads or filaments : en
  • CA417420A - Temperature control device : en fr
  • CH230287A - Trip and time deflection circuit for a cathode ray oscillograph. : de en
  • US2337773A - Field cultivator : en
  • CA417456A - Refrigerator car : en fr
  • CH230301A - Process for the adhesive connection of two metal bodies. : de en
  • CH230341A - Electrical switch with several switching chambers. : de en
  • CA417462A - Locomotive stoker : en fr
  • US2337639A - Liquid seal for rotary shafts : en
  • CA417400A - Wire stitching machine : en fr
  • CH230269A - Process for the production of synthetic resins. : de en
  • US2337538A - Wrench : en
  • CA417318A - Respirator : en fr
  • CH230423A - Process for the production of an acidic wool dye. : de en
  • CA417479A - Mould coating apparatus : en fr
  • DE743733C - Housing with injection openings for nozzles : de en
  • CA417392A - Puncture sealing tire tube manufacture : en fr
  • PL32386B1 - A method of producing edges for joining walls in trunks : en pl
  • CH230412A - Process for the production of a new condensation product. : de en
  • DE743578C - Support of the pipe coils of steam generators, especially superheaters, on a vertical support pipe : de en
  • DE743609C - Mechanical surface tester : de en
  • ES158368A2 - IMPROVEMENTS MADE IN THE PURPOSE OF THE MAIN PATENT NUMBER 157679 : en es
  • PL32419B1 - The method of producing steel with predetermined physical and mechanical properties, corresponding to a specific grain size according to Mac Quaid Ehn. Patent dependent on patents No. 19842 and 20086 : en pl
  • GB558293A - Hack saw grinding fixture : en
  • GB558315A - Improvements in or relating to optical projection apparatus : en
  • US2337546A - Propeller friction test tool : en
  • US2337730A - Package for milk and other fluid products : en
  • USD136898S - Design for a jabot or similar article : en
  • US2337854A - Edger saw collar : en
  • FI19837A - Electrodes for gas- or gas-discharge lamps : en fi
  • FR889137A - Electric remote control : en fr
  • GB558317A - Organic polymer emulsions : en
  • US2337556A - Cable : en
  • USD136937S - Design for a jacket : en
  • US2337762A - Power device for implements : en
  • US2338051A - Sheet metal tamperproof container : en
  • CH230293A - Projection screen and method of making the same. : de en
  • ES155472A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 151741 : en es
  • GB558342A - Improvements in needle bearings : en
  • US2337574A - Filter and method for making the same : en
  • US2337599A - Method of rendering clays filterable : en
  • US2337962A - Method and apparatus for determining resistance of ground connections : en
  • US2338062A - Therapeutic preparation comprising metal and metaloid compounds of thiamin : en
  • US2337711A - Screw joint for sucker rods and the like : en
  • US2337795A - Thrust bearing : en
  • US2338031A - Conduit fastener : en
  • PL32398B1 - Leichtmetallbau Regensburg G. m. B. H. *), Regensburg Manual riveter with automatic rivet feed : en pl
  • US2337567A - Reading device : en
  • US2337702A - Attachment for cornhuskers : en
  • ES168261A1 - PROCEDURE AND APPARATUS FOR THE MANUFACTURE OF COATINGS INTENDED FOR THE EXTERIOR SURFACES OF WORKS UNDER CONSTRUCTION : en es
  • FR889062A - Advanced wheel pipe cutter : en fr
  • FR889107A - Process for splitting hydrocarbons or for hydrogenating them under pressure : en fr
  • CH230285A - Device for indicating the tilting of handguns. : de en
  • US2337552A - Purification of saturated hydrocarbon sulphonic acids : en
  • DE743529C - Improvement of zinc alloys : de en
  • ES157688A1 - IMPROVEMENTS IMPROVED IN THE PRE-WARMING OF ALUMINOTERMAL OR OTHER WELDING : en es
  • US2337744A - Lamp : en
  • US2337980A - System for color television receivers : en
  • DE743486C - Cantilever magnet system with a solid iron anchor : de en
  • ES161627A1 - A DEVICE FOR AMPLIFYING MODULATED HIGH FREQUENCY OSCILLATIONS, EQUIPPED AT LEAST WITH AN AMPLIFIER PIPE : en es
  • DE743658C - Device for converting ammonia combustion gases into nitric acid : de en
  • ES150848A1 - A PROJECTOR APPARATUS, BY REFLECTION OF THE LIGHT, OF ALL KINDS OF OPAQUE BODIES : en es
  • CA417448A - Well acidizing and treating method : en fr
  • US2337727A - Lathe center for wood patterns : en
  • PL32409B1 - Two-ring seal : en pl
  • US2337555A - Method of coating metal and article produced thereby : en
  • ES156100A1 - SYSTEM OF CONSTRUCTION OF BOX TRANSFORMABLE CONTAINER IN BED OR OTHER TOY CABINET : en es
  • ES161464A1 - A TEACHING APPARATUS FOR TEACHING READING, WRITING AND NUMBERING : en es
  • ES169274A1 - PROCEDURE FOR OBTAINING PENICILLIN AND OTHER MEDICINAL DRUGS BY CHECKING MICROORGANISMS CALLED FUNGI : en es
  • FR888972A - Magnesium alloy : en fr
  • FR888999A - Process for the production of secondary amines of the anthraquinone series : en fr
  • FR889112A - Manufacture of platinum catalysts for the oxidation of ammonia : en fr
  • PL32393B1 - Manufacturing method of steel with low nitrogen content in the converter : en pl
  • DE742833C - Double drum winder : de en
  • GB558256A - Method and apparatus for making driving and like belts : en
  • CH230320A - Clamping device for flexible hoses. : en fr
  • CH230274A - Decoration process applicable to supports made of paper, cardboard, leather, pieces of fabric and the like and decorated support obtained by this process. : en fr
  • CH230271A - Process for the refinement of superpolyamides based on w-aminocarboxylic acids. : de en fr
  • US2337801A - Offset disk harrow : en
  • US2337915A - Shaped body and process of preparing the same : en
  • USD136918S - Toy figure or similar article : en
  • PL32389B1 - Kurt Walter Oswald Bahrens, ixelles - Bruxelles : en pl
  • FR888944A - Temperature sensor for thermostats : en fr
  • FR889147A - Flexible all-wood sole : en fr
  • ES160817A3 - PROCEDURE FOR THE ASSEMBLY OF THE CONSTRUCTIONS BY SUCCESSIVE VERTICALLY SUPERIMPOSED PARTS, ASSEMBLED ON THE FLOOR : en es
  • GB558246A - Remote or local tuning of radio transmitters over broad bandwidths : en
  • US2337742A - Method of mounting connection devices : en
  • CA417407A - Dry casein composition : en fr
  • US2338001A - Micrometer : en
  • US2337895A - Cable clamp : en
  • US2337966A - Door check : en
  • CH230432A - Process for the preparation of 2'-methyl-benzoyl-4-aminobenzenesulfonamide. : de en
  • US2337833A - Reflector lamp : en
  • USD136899S - Design for a coat : en
  • US2337759A - Delta q-meter : en
  • ES156334A1 - A PROCEDURE FOR OBTAINING POLYCONDENSATION PRODUCTS OF DICARBOXYLIC ACIDS OR THEIR DERIVATIVES WITH URETHANES OF CARBAMINE ACID : en es
  • ES158741A3 - PERFECTED PROCEDURE FOR THE PRESERVATION OF FRUIT OR OTHER FOOD PRODUCTS IN SULFURED CONTAINERS : en es
  • ES161597A1 - CARRIAGE DOWNLOAD FOR STRETCHER AND AGRICULTURAL MATERIALS : en es
  • US2337659A - Composite valve unit and valve operating means : en
  • US2337880A - Process for reclaiming cellulose ester material : en
  • CA417425A - Container closure : en fr
  • CH230369A - Self-functioning breathing apparatus. : en fr
  • CA417484A - Garment pressing machine : en fr
  • BE453195A - Device for driving jet bars mainly in straight looms of the cotton type : en fr
  • CH230325A - Hydropower plant. : de en
  • CH230363A - Process for the production of hydraulically setting pigments and products containing binders, in particular for surgical and orthopedic purposes. : de en
  • CH230384A - Method for monitoring a continuously occurring processing process. : de en
  • CH230446A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • DK61739C - Coupling for Generating Rectangular Symmetrical Chip Oscillations in Chip Shift Generators for Use in Television Transmitters and Television Receivers. : da en
  • CH230374A - Note device for desk telephones. : de en
  • CH230344A - Resistor adjustable in steps with contact device for tapping partial voltages. : de en
  • DE742481C - Safety closure on an edge of bags or the like. : de en
  • US2337927A - Apparatus for making tubing : en
  • FR888990A - Wet spinning process of textiles into tow : en fr
  • FR888925A - Further training in industrial methane production : en fr
  • GB558229A - Improvements in or relating to mixing valves for internal-combustion engines : en
  • ES153203A1 - IMPROVEMENTS IMPROVED IN THE CONSTRUCTION OF POSTES DE CAELOSÍA PARA CONDUCTORES AÉREOS : en es
  • ES159503A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMER 153107 : en es
  • GB558228A - Machine for collecting fish : en
  • CH230393A - Progressive centrifugal clutch with auxiliary control. : en fr
  • DE743540C - Coupling device, in particular for motor vehicles : de en
  • DK61744C - Method and apparatus for melting plastics, in particular of high-polymer compounds, such as polyamides or polyurethanes. : da en
  • ES158069A1 - A BATHING IMMERSION HEATER, ELECTROSTATIC : en es
  • CA417346A - Illuminated sign lens mounting : en fr
  • CH230419A - Process for the production of a new condensation product. : de en
  • PL32371B1 - A method of maintaining the metal of risers in a liquid state during casting under pressure, and an apparatus for carrying out the method. : en pl
  • US2337615A - Mobile field packing plant : en
  • US2337631A - Shoe sewing machine : en
  • PL32401B1 - A method for measuring accelerations and pressures, and an apparatus for carrying out the method : en pl
  • CH230316A - Crankshaft with counterweight. : de en
  • FR889146A - Filter for the purification of gas from gasifiers : en fr
  • CA417356A - Canning apparatus : en fr
  • DE743236C - Power supply for a short wave tube : de en
  • CH230362A - Electrically heatable mirrors, in particular for dental purposes and methods of manufacturing the same. : de en
  • US2337714A - Welding rod or electrode : en
  • USD136931S - Design fob a vase : en
  • CH230371A - Method for punching punch cards. : de en
  • CH230259A - Process for obtaining a substitute for pepper. : de en
  • PL32416B1 - A device that responds to changes in voltage : en pl
  • CH230298A - Magnesium alloy. : de en
  • DE743514C - Measuring device for the analysis of substance, in particular gas mixtures : de en
  • ES161580A3 - FRAME FOR SCARMING MACHINES, ADAPTABLE TO ROUGHING AND TAPPING MACHINES; ADJUSTABLE, BOTH IN THE SEPARATION OF THE WHEELS AND THE DIFFERENT TOOLS : en es
  • GB558323A - Improvements in and relating to methods of producing solids of desired configuration, for example a smooth covering layer on the fluorescent screen of a television picture tube, or a mould for reproducing the shape of a snow flake : en
  • CH230406A - Method of preparing a compound of the etiocholanic acid series. : de en
  • ES158066A1 - A RADIATOR FOR HEATING TO ELECTROSTATIC FUNCTIONING : en es
  • FI19843A - Roller blind drive : en fi
  • GB558328A - Improvements in and relating to boiler furnaces : en
  • ES161606A3 - A HAND FAN APPLIANCE : en es
  • ES153911A1 - AN EXTRUSION HEAD FOR THE ANNULAR COATING OF A NUCLEUS THROUGH A PLASTIC MASS : en es
  • FR889150A - Accelerometer : en fr
  • FR889069A - Lighting device for measuring or indicating instruments, with indexes and dial graduation appearing in light on a dark background : en fr
  • ES159048A1 - A PROCEDURE FOR MANUFACTURING METAL PLATED PARTS : en es
  • ES161613A1 - A SCREENING DEVICE FOR STRAW PACKAGING AND OTHER PURPOSES : en es
  • ES156910A3 - IMPROVEMENTS IN REFRIGERATION DEVICES : en es
  • FI19861A - Anordning for fastsättning av till velocipeder, lättviktsmotorcyklar och motorcyklar hörande kedjeskydd eller dylika transmissionskåpor vid fordonets ramverk : en fi
  • FR888978A - Suspended file presenting, on the back or at the free end of each sheet, a sheath intended to receive a suspension rule : en fr
  • CH230394A - Elastic wheel. : en fr
  • CA417411A - Liquid treating apparatus : en fr
  • FR889060A - New Azo Dyes and Their Intermediate Products : en fr
  • FR888914A - Improvements to so-called "dead man" safety devices and other automatically operating devices controlled by an unregulated frequency cause : en fr
  • GB558341A - Improvements in alternating current control arrangements : en
  • ES161648A1 - AN INSULATION PROCEDURE FOR PIPES AND APPLIANCES WORKING AT TEMPERATURES LOWER THAN 600 CENTRAL DEGREES : en es
  • FR888997A - Hollow valve with forced circulation of the coolant : en fr
  • FR888930A - Variable speed drive with reverse gear : en fr
  • GB558275A - Improvements in adjustable supports and fastenings for wearing apparel : en
  • PL32391B1 - Georg Gert Frederichs, Kassel — Brasselsberg Machine for planing teeth in gear wheels, enveloping method with a notching wheel, equipped with knives in the form of teeth : en pl
  • FI19838A - The electronic circuit board is equipped with an anode and an electric control electrode with electrostatic deviations. : en fi
  • CA417410A - Container filling and weighing apparatus : en fr
  • CH230444A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • US2337772A - Winch : en
  • US2337890A - Oil-modified phenolic condensation product and method of making the same : en
  • FI19840A - Distillations for the production of oil under the conditions of importation into the Community, circulating area : en fi
  • ES159054A1 - PROCEDURE, WITH YOUR DEVICE, TO SEPARATE FROM THE CURRENT MEDIA SUBSTANCES IN SUSPENSION : en es
  • FR889006A - Process for the production of acrylic acid esters : en fr
  • FR889020A - Float air vent for fuel supply line, for injection pumps of internal combustion engines : en fr
  • GB558346A - Improvements in or relating to packing devices for centrifuges : en
  • DE743469C - Process for the preparation of pyridines in addition to nitriles, etc. : de en
  • ES158911A1 - PROCEDURE TO HEAT WATER IN THERMOSIPHONES ELECTRICALLY AND DEVICE FOR ITS REALIZATION : en es
  • ES159293A1 - ESPOLETA FOR PROJECTILE OF STRESSED STEP : en es
  • FR889086A - Device for automatic change of phonograph records : en fr
  • FR888956A - Deflector system for cathode ray tubes : en fr
  • ES154577A1 - A FOOT OF PRESSED GLASS FOR DISCHARGE CONTAINERS : en es
  • BE453176A - : en
  • CA417366A - Fluorescent material : en fr
  • CA417492A - Drier felt : en fr
  • ES161629A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF DENTÍFRICOS : en es
  • ES156671A1 - PROCEDURE FOR PAVING FLOORS AND WALL CLADDING WITH CRYSTAL : en es
  • US2337669A - Solvent refining : en
  • DE742807C - Circuit arrangement for residual damping control : de en
  • ES158299A1 - MANUFACTURING PROCEDURE OF SYNTHETIC RUBBER RESISTANT TO OZONE AND OILS AND DIFFICULTLY COMBUSTIBLE : en es
  • ES160245A1 - PROCEDURE FOR THE LAMINATION OF PACKAGES IN CHAPAS : en es
  • US2337876A - Ironing board attachment : en
  • DE743723C - Filling holder with a pressure rail resting against a compressible filling hose : de en
  • ES152339A1 - A BLOWING GRILL TO COOK, TOAST AND CONCRETE MIXING THE FUEL TO THE GROSS MATERIAL : en es
  • FR889096A - Downward combustion gasifier : en fr
  • FR889122A - Special projectile propulsion charge ignition device : en fr
  • GB558295A - Improvements in tools for dressing the operative surfaces of grinding wheels and for other purposes : en
  • US2337547A - Reaction product of aldehydes and diazine derivatives : en
  • DE743603C - Mandrel for continuous casting of metallic tube or hollow blocks : de en
  • ES155883A1 - NEW EQUIPMENT FOR ELECTRIC TRACTION VEHICLES : en es
  • ES161540A3 - A PROCEDURE FOR THE MANUFACTURE OF BEAUTY CREAM AND SHAVING PASTE : en es
  • DE743629C - Fine cleaner for gas generators, especially wood gas generators for vehicles : de en
  • ES159857A1 - PROCEDURE TO ATTACK CLOTHES OR FELTS : en es
  • US2337973A - Constant inductance, continuously variable, resistor : en
  • CA417349A - Tape-serving mechanism : en fr
  • DE743617C - Opposed piston engine : de en
  • CA417442A - Railway car truck side frame : en fr
  • US2337838A - Motor ignition cutoff : en
  • DE743604C - Decorative cover for flower pots : de en
  • US2338033A - Sharpening device : en
  • ES160797A1 - A PROCEDURE FOR THE MANUFACTURE OF SOILS : en es
  • ES152223A1 - AN ELECTRICAL CONNECTION DEVICE THAT PREVENTS IT FROM IMPROPERLY PUTTING A VEHICLE AUTOMATIC, EVEN IF ANY OF THE CERTAIN BRIDGES IS TAKEN : en es
  • ES159610A1 - A PROCEDURE FOR THE DECORATION OF GLASS BUTTONS, GLASS, AND TRANSPARENT MATERIALS IN GENERAL : en es
  • US2337758A - Finishing treatment for felt and felt hat bodies : en
  • US2337835A - Belt clasp : en
  • US2337829A - Protective system for electrical apparatus : en
  • ES142393A1 - A procedure of protection against combustion, especially applicable to miner's wicks. : en es
  • ES161487A1 - A PROCEDURE FOR OBTAINING A SALT EASILY SOLUBLE IN ACID WATER 4 - AMINOBENCENSULFONILAMINOMETANSULFÓNICO : en es
  • ES157074A1 - A PROCEDURE FOR THE CONNECTION OF A METALLIC WIRE OR WIRE TO A PLATE ALSO METAL : en es
  • US2337544A - Filler charge transfer for cigar machines : en
  • ES157445A1 - PROCEDURE FOR THE CONSTRUCTION OF ELASTIC WHEELS FOR VEHICLES : en es
  • FR888903A - Travel control device : en fr
  • US2337836A - Iron : en
  • US2337749A - Tractor-mounted implement : en
  • PL32362B1 - : en pl
  • ES161574A1 - PNEUMATIC HAMMER WITHOUT VALVES, REMOVABLE : en es
  • ES161581A1 - A COMBINATION LOCK WITH GRADUABLE AND ROTATING RETENTION DISCS AROUND AN AXIS : en es
  • ES161607A1 - IMPROVEMENTS IN TEXTILE FIBER STRETCHING MECHANISMS : en es
  • DK61751C - Pressure Agent Mechanism for Controlling the Pressure Agent for Gear Shift Mechanisms. : da en
  • ES157625A1 - PROCEDURE TO OBTAIN A SPECIAL FIRM OF ARMED CONCRETE : en es
  • ES160185A1 - A NEW REMOVABLE ROLLING SYSTEM BY HAND : en es
  • GB558308A - Improvements in electric-lamp fittings : en
  • DE743441C - Process for the production of vehicle tires with a high percentage of synthetic rubber : de en
  • CA417362A - Non-resinous condensation product : en fr
  • CA417376A - Film for stereoscopic pictures : en fr
  • CH230257A - Outsole. : de en
  • ES154023A1 - A NEW ROOF OF REINFORCED CONCRETE WITH IDENTICAL PAVEMENT IN ASPECT AND QUALITY TO THE HYDRAULIC BALDOSIN, FORMING ALL ONE BODY AND EXECUTED IN WORKSHOP BY MANUABLES PARTS OF PRESSURE CONCRETE, THAT ARE ARMED WHEN PLACED IN WORK, BY ARMOR TO EFFECT. : en es
  • US2337569A - Method of producing mosaic electrodes : en
  • US2337778A - Package fastener : en
  • US2337803A - Box partition machine : en
  • DE743758C - Position indicators, in particular for aircraft : de en
  • DE743730C - Method and device for decorating ceramic objects : de en
  • US2337863A - Attic ventilator : en
  • ES168289A1 - SAFETY MECHANISM AGAINST FALSE AND HAZARDOUS EXPLOSIONS FOR THE HANDLE APPLICABLE TO AUTOMATIC FIREARMS : en es
  • ES169288A1 - PROCEDURE TO OBTAIN THE LIGHTING OF GAS NEON AND OTHER GASES AND FLUORESCENT LIQUIDS : en es
  • US2337791A - Electrical switch : en
  • ES157106A1 - PROCEDURE FOR OBTAINING HIGH POLYMER PELLULOS : en es
  • ES161569A1 - A DEVICE FOR STRETCHING BEAUTIFUL GLASS THREADS FROM A GLASS FUSION BATH : en es
  • FR889004A - Improvements to the development processes of heliographic prints : en fr
  • US2337998A - Method of applying permanent covers to bottles : en
  • US2337545A - Star finder : en
  • US2337783A - Liquid carbonator : en
  • US2337668A - Two-cycle engine : en
  • US2338000A - Electrode holder : en
  • GB558258A - Improvements in colour photographic materials : en
  • FR889095A - Process for the preparation of new sulfonated ethers-oxides, containing at least one aralkyl residue : en fr
  • ES153044A1 - IMPROVEMENTS IN CAPOT AND STEM INSULATORS IN OIL BATH : en es
  • CA417441A - Chorionic substance isolation and product : en fr
  • CH230351A - Impact magnet with magnetic detent. : de en
  • FI19841A - Förfaringssätt för fixering av garvämnen på fibrer : en fi
  • US2337559A - Engine starter drive : en
  • DE743497C - Method and system for electromechanical power transmission, in particular for motor vehicles : de en
  • DE743506C - Core binder for light metal casting : de en
  • ES168022A1 - NEW CONTACT KEY SYSTEM THROUGH MERCURY : en es
  • FR889051A - Self-resisting electric furnace for melting glass, with electrodes arranged so as to create symmetrical channels for the molten glass at a regulated temperature distributed independently of the supply current : en fr
  • FR888965A - Weapon loading automatically and in particular automatic pistol : en fr
  • FR889123A - Spinning device : en fr
  • DE743571C - Process for the separation of mixtures of phenol and aniline : de en
  • ES154974A3 - A HOT WATER HEATING RADIATOR WITH ITS OWN ELECTRICAL HEAT SOURCE : en es
  • ES159521A3 - ONE MECHANISM FOR SWITCHES AND LEVER SWITCHES : en es
  • ES161576A3 - A PROCEDURE FOR ROBLONAR BY EXPLOSION : en es
  • ES161593A1 - A MACHINE TO PULSE COFFEE : en es
  • FR888977A - Radiation protection device for shut-off chains of high-voltage overhead pipelines : en fr
  • GB558319A - Improvements in couplings for flexible hose : en
  • CH230297A - Zinc alloy. : de en
  • CA417327A - Resilient curved structure : en fr
  • CH230256A - Fastening device for underpants. : de en
  • CH230270A - Process for softening natural resins and synthetic organic plastics. : de en
  • ES155769A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 153718 : en es
  • USD136932S - Design for a picture frame : en
  • ES153383A1 - IMPROVEMENTS IN UNIONS BY FUSION OF CERAMIC MATERIAL OF VACUUM CONTAINERS : en es
  • ES156082A3 - IMPROVEMENTS MADE IN THE CONSTRUCTION OF PERFORATED BRICKS FOR THE COMPOSITION OF THE FLOOR BEAMS : en es
  • ES159625A1 - A PROCEDURE FOR THE EXECUTION OF FORGED FLOORS AND CEILINGS THROUGH THE USE OF ARMED CONCRETE VIGUETTES CONSTRUCTED BASED ON HOLLOW BRICKS AND CURRENT TYPE RINGS : en es
  • ES159511A1 - A PROCEDURE FOR THE OBTAINING OF METAL POWDERS OF CRACKED SURFACE : en es
  • FR888979A - Lock : en fr
  • GB558225A - Improvements in and relating to the acylation of sulphonamides : en
  • GR10205B - METHOD OF PREPARATION OF COPPER SULT. : el en
  • FR889133A - Method for eliminating faults in the transmission of telegrams by transmitting multiple signal and cut-off pulses to more than two carriers at acoustic frequency : en fr
  • GB558250A - Improvements in or relating to aircraft controls : en
  • ES157848A1 - MANUFACTURING PROCEDURE FOR A PRODUCT INTENDED FOR AGRICULTURAL INSECTICIDE BASED ON RESIDUES AND TOBACCO POWDER : en es
  • ES158047A1 - IMPROVEMENTS IN THE CONSTRUCTION OF LINES OR CONDUCTORS, TELEPHONE OR LOCOMOBILE TELECOMMUNICATION, WITH AN INSULATION OF THE CONDUCTORS MADE OF NON-TROUBLED SHEETS AND A PROTECTIVE HANDLE, AS A RUBBER MIXED PRESSURE IN THE OUTER SPACES OF THE ROLL OF THE WIRED CONDUCTORS : en es
  • DE743590C - Arrangement for color television via a single transmission channel using a plurality of electrically or mechanically controlled light sources of different colors : de en
  • FR889097A - Electrical assembly comprising a discharge tube : en fr
  • CH230395A - Resilient wheel tires for vehicles. : de en
  • FI19997A - Angle measuring device for use in connection with topographic maps : en fi
  • FR888929A - Removable crate : en fr
  • USD136900S - Design foit a tie rack : en
  • FR889043A - Device for manufacturing electrically conductive connections : en fr
  • DE743451C - Driver's cab arrangement for bucket wheel excavators : de en
  • GB558226A - Improvements in and relating to portable electric handlamps : en
  • US2337703A - Light-reflecting element : en
  • ES153853A1 - A PROCESS FOR THE MANUFACTURE OF ENDLESS ARTIFICIAL BELTS FOR TRANSMISSIONS FOR INDUSTRIAL USES, ESPECIALLY FOR THREAD MACHINES KNOWN AS "SELFACTINA" AND CONTINUOUS : en es
  • ES161595A1 - PROCEDURE FOR OBTAINING GLUCOSE HYDROATE FROM AQUEOUS DISSOLUTIONS OF THIS, ESPECIALLY OF HYDROLYZED FECULA AND WOOD SUGAR SYRUP : en es
  • US2337815A - Automatic stop mechanism : en
  • US2338045A - Preparing metal for drawing operations : en
  • USD136915S - Design for a toy trunk : en
  • DE743505C - Double-walled door for industrial ovens, especially drying ovens for molds and casting cores : de en
  • ES161162A1 - IMPROVEMENTS IN THE MANUFACTURE OF SCALES : en es
  • ES161560A1 - A GARROPHINE FLOUR EXTRACT PROCEDURE APPLICATION IN APRESTOS : en es
  • ES161603A1 - ELECTRICAL INDUCTION OVEN FOR THREE-PHASE INDUSTRIAL FREQUENCY CURRENT : en es
  • ES147585A1 - A process for obtaining a product for the treatment of yarns and fabrics. : en es
  • ES159672A3 - DEVICE APPLICABLE TO SCYTHES FOR MOWING WHEAT AND OTHER CEREALS : en es
  • FR889128A - Poly-condensation products and their preparation process : en fr
  • GB558253A - Improvements in or relating to push-pull mixing circuits for ultra short waves : en
  • US2337738A - Double-acting shock brake : en
  • US2337694A - Electromagnetic telephone relay : en
  • ES161564A1 - IMPROVEMENTS IN TWO-SQUEEGEE SHOTGUNS : en es
  • US2337736A - Color filter disk : en
  • DE743642C - Elastic wheel tires : de en
  • ES161575A1 - VEHICLES WITH WHEELS IN STEPS : en es
  • US2337858A - Preparation of malonic esters : en
  • DE743447C - Round machine for manufacturing objects from plastic masses : de en
  • DE743448C - Process for the continuous production of lightweight panels made of wood wool or the like. : de en
  • US2337936A - Suction cleaner : en
  • US2337872A - Protective device : en
  • ES157099A1 - IMPROVEMENTS IMPROVED IN THE AIR CONTROLS FOR D EXPLOSION ENGINES APPLIED TO AUTOMOBILES : en es
  • ES168266A1 - APPLICABLE MECHANICAL APPARATUS FOR ALA PRODUCTION OF ELECTRIC POWER : en es
  • ES156306A1 - DRIVING FORCE GEAR EQUIPPED WITH AN INTERNAL COMBUSTION ENGINE AND A HYDRODYNAMIC TRANSFORMER, SPECIALLY INTENDED FOR AUTOMOTIVES : en es
  • ES160389A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF ARMED CONCRETE BOAT HELMETS : en es
  • CH230244A - Foldable table with a tabletop divided into two parts. : de en
  • PL32360B1 - A method for introducing fuel into internal combustion engines and an apparatus for carrying out the method : en pl
  • ES158428A2 - IMPROVEMENTS MADE IN THE PURPOSE OF MAIN PATENT NUMBER 157986 : en es
  • ES160851A1 - IMPROVEMENTS IN THE ARTS OR APPARATUS FOR THE TRAILER FISHING : en es
  • CA417440A - Hydraulic brake pump : en fr
  • DE743687C - Device for the production of integrated textile threads : de en
  • ES168290A1 - DOUBLE TRIGGER MECHANISM APPLICABLE TO AUTOMATIC ARMS : en es
  • FR888913A - Process for protecting plants against damage caused by insects or parasites : en fr
  • GB558259A - Improvements in, or relating to, apparatus for regulating the temperature of the cooling water of internal combustion engines and other fluid streams : en
  • DK61749C - Method for Making Soluble Casein. : da en
  • US2337875A - Telephone system : en
  • US2337687A - Container : en
  • US2337988A - Changeable electric sign : en
  • CA417336A - Check valve : en fr
  • CH230434A - Process for the production of a therapeutically valuable salt. : de en
  • US2338049A - Method of coating base metal withtin : en
  • US2337690A - Depth gauge : en
  • US2337940A - Method of treating aluminum surfaces : en
  • US2337643A - Auxiliary handle for shovels or the like : en
  • US2337932A - Electric control circuit : en
  • US2337619A - Blade wheel : en
  • PL32417B1 - A method of measuring and marking the thickness distribution of a sheet material, especially leather, and a machine for carrying out this method : en pl
  • CA417458A - Refrigerator car : en fr
  • CH230234A - Process for improving the properties of hydraulic binders. : de en
  • CA417341A - Pulverizer hammer : en fr
  • CH230303A - Process for electrical welding. : de en
  • PL32349B1 - Method for carrying out anionic exchange reactions in aqueous liquids : en pl
  • US2338042A - Nonsmudging copying ink : en
  • US2337818A - Dredge : en
  • US2338068A - Wide lead mechanical pencil : en
  • US2337674A - Shipbuilding staging : en
  • ES161582A1 - APPARATUS FOR SPRAYING LIQUIDS : en es
  • CH230273A - Process for producing a mechanically and electrically high-quality phosphate layer on copper and copper alloys. : de en
  • CH230233A - Method and apparatus for making clay drainage pipes. : de en
  • CH230275A - Process of manufacturing a cylindrical or conical container, of cardboard or similar substances, internally lined with a thin metal sheet, and container obtained by means of said process. : en it
  • PL32353B1 - Control and assembly device for variable transmissions, particularly in motor vehicles : en pl
  • CA417491A - Steel patenting method : en fr
  • PL32358B1 - Heating chamber with ring channels : en pl
  • DE743674C - Process for the production of Kuepen dyes : de en
  • US2337606A - Reel : en
  • DE743560C - Cutting form for the production of rectangular lock housings by punching : de en
  • CH230377A - Arrangement for the connection of an unsymmetrical coaxial high-frequency power line with a symmetrical high-frequency power line for meter and decimeter waves. : de en
  • CH230413A - Process for the production of a new condensation product. : de en
  • FR888953A - Device for the adjustment according to a bent curve of a quantity which can be influenced by electrical means : en fr
  • FR889065A - One-sided or two-sided fabric, for pneumatic tires, machine knitted or knitted : en fr
  • CA417423A - Shoe press last : en fr
  • CH230328A - High temperature steam turbine plant. : de en
  • CA417360A - Fluorescent material : en fr
  • US2337665A - Support : en
  • DE743684C - Process for the extraction of ignition dust for pulverized coal firing : de en
  • CA417477A - Combined steel and rubber spring : en fr
  • CH230247A - Device for feeding spinning pumps on rayon spinning machines. : de en
  • CH230336A - Hollow insulator. : de en
  • US2337958A - Sound recording and reproduction : en
  • CH230237A - Purification device on pressure furnaces. : de en
  • DE742993C - Matting of cellulose hydrate or cellulose derivative textiles : de en
  • ES160572A1 - A PROCEDURE FOR THE MANUFACTURE OF FOOTWEAR : en es
  • GB558336A - Improvements relating to electric devices having an enclosing envelope : en
  • PL32394B1 - A method of producing luminous shields containing zinc sulfide : en pl
  • US2337692A - Electrical socket : en
  • US2337921A - Venturi meter and method of measuring liquids flowing through it : en
  • CH230353A - Device with a mercury cathode tube for the interruption of high voltage electrical currents. : de en
  • CH230427A - Switching device, consisting of two switches connected in series. : de en
  • US2337800A - Plug-in terminal for electric cables : en
  • US2337994A - Skew bascule bridge : en
  • CH230250A - Holding device for spindles on spinning and twisting machines. : de en
  • ES156311A1 - NEW DEVICE FOR THE TRANSPORTATION OF LOADS : en es
  • ES161630A1 - PARACAIDISTIC SYSTEMS OF GREAT POWER : en es
  • FR889011A - Markers for recording sound by magnetization : en fr
  • FR889091A - Bolting device for locking two parts whose attacked outer surfaces are not parallel : en fr
  • DE742928C - Process for the preparation of 2-methylhexahydrobenzselenazole : de en
  • ES156857A1 - IMPROVEMENTS IN ELECTRICAL SIGNAL SYSTEMS : en es
  • ES158327A1 - PROCEDURE FOR THE MANUFACTURE OF KNITTED AND SOCKS WITH UNEASY MESH : en es
  • CA417367A - Refrigerant evaporator : en fr
  • CA417421A - Tape dispenser : en fr
  • CH230254A - Process for napping yarn. : de en
  • DK61743C - Household boiler with water level gauge. : da en
  • CA417394A - Building construction : en fr
  • US2337655A - Cylindrical drawer : en
  • US2337554A - Pulling-over machine : en
  • US2337976A - Mechanical coupling : en
  • PL32345B1 - Stanislaw Drapala, Warschau A wheeled vehicle that can be converted into a sleigh : en pl
  • CA417322A - Locking handle for kit bags : en fr
  • DE743501C - Process for soaking dry skins and fur of all kinds : de en
  • DE743579C - Water tube boiler with natural circulation with a surface cooler connected to the boiler on the steam side for regulating the hot steam temperature : de en
  • PL32352B1 - A holding device for holding together a greater number to be chrome-plated on the outer sheath of the bushings of the internal combustion engines in order to jointly electrolytically treat them. : en pl
  • CA417343A - Fudge type candy : en fr
  • ES153742A1 - AN ARCA ELEVATOR WITH ELECTRICAL AND MECHANICAL ELEVATION MECHANISM AGAINST FIRE AND ROBO : en es
  • FR889116A - Wheel for vehicles : en fr
  • CA417384A - Heat cast refractory : en fr
  • CA417389A - Container neck cleaning apparatus : en fr
  • ES159218A3 - CHISELING MACHINE : en es
  • ES168286A1 - PROCEDURE FOR THE MANUFACTURE OF A COMPOSITE EOSINATE : en es
  • PL32384B1 - Method for producing bone glue : en pl
  • DE743474C - Mounting device for horizontal superheaters : de en
  • US2337781A - Protective device for electrical conductors : en
  • US2337790A - Web roll supporting and controlling mechanism : en
  • DE743482C - Arrangement for storing image recording in cathode ray tubes : de en
  • DE743572C - Process for the production of dihydric phenols from mixtures of monohydric and dihydric phenols : de en
  • DK61738C - Procedure for refining smelting of the metals of the iron group. : da en
  • ES161025A1 - PORTABLE MIXED KITCHEN : en es
  • US2337956A - Rotary reactor : en
  • ES156434A1 - A PROCEDURE FOR THE MANUFACTURE OF FRAMES FOR PICTURES, PORTALRETRATES AND FOR ANALOGUE APPLICATIONS : en es
  • GB558340A - Improvements in shoes : en
  • DE743719C - Device for supplying low-pressure gas (town gas) to the drive engine of motor vehicles, in particular buses : de en
  • DE743639C - Device for ventilation of the interior and the windshield of vehicles : de en
  • ES158067A1 - AN ELECTROSTATIC PRESSURE COFFEE MACHINE : en es
  • ES159224A1 - PROCEDURE, WITH YOUR DEVICE, FOR THE MANUFACTURE OF STEEL AND SIMILAR BLOCKS : en es
  • CH230302A - Straightening press. : de en
  • ES168239A1 - PROCEDURE FOR THE SERVICE OF EXPLOSION AND COMBUSTION MOTORRES : en es
  • GB558284A - Apparatus for extinguishing fires : en
  • CH230290A - AC bridge arrangement. : de en
  • CH230330A - Process for power control of thermal power plants. : de en
  • US2337638A - Power lift : en
  • US2337924A - Aromatic sulphonic acids having capillary-active properties and a process of preparing them : en
  • FI19864A - Cardboard : en fi
  • ES167634A3 - WOOL LEATHER MANUFACTURING SYSTEM FOR CLOTHING : en es
  • FR889104A - Method and device for the welded connection of tubes : en fr
  • FR888935A - Process for the preparation of therapeutically active derivatives of the cinchona alkaloid class : en fr
  • CA417324A - Fibre liberation : en fr
  • CA417393A - Direct-fired unit heater : en fr
  • CA417481A - Electric switch operating device : en fr
  • DE743695C - Device for drying casting molds using hot gases : de en
  • ES153424A1 - A PROCEDURE, WITH THE CORRESPONDING DEVICE FOR FREQUENCY DIVISION : en es
  • FI19833A - Moduleringsanordning : en fi
  • FR888911A - Electric heated jet breaker : en fr
  • CH230267A - Aqueous paint binder. : de en
  • DE743481C - Arrangement for the production of image splitting disks : de en
  • ES154938A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL FIBERS BASED ON POLYMERIZATION PRODUCTS OF ACRYLIC ACID HOMOLOGOUS OR FUNCTIONAL DERIVATIVES OF THESE HOMOLOGOUS : en es
  • ES161608A1 - NEW FLOOR CONSTRUCTION SYSTEM BASED ON ARMED CERAMIC PIECES : en es
  • ES152424A1 - A PROCEDURE FOR THE MARKETING AND LUSTRATING OF TEXTILE FIBERS : en es
  • ES168069A3 - PROCEDURE FOR THE MANUFACTURE OF LACE OR LACES : en es
  • DE743504C - Process for the production of skin cleansing agents in floating pieces : de en
  • ES159312A1 - NEW PROCEDURE FOR OBTAINING PARTS OR A CLOTHING SET : en es
  • DK61745C - Procedure for the manufacture of cold forming products. : da en
  • ES157640A1 - PROCEDURE FOR THE MANUFACTURE OF VEGETABLE CARBON AGGLOMERATES, USING THE MUCYLAGO OF SEEDS (GARROFINES) OF ALGARROBA OR GARROFAS (CERÁRONIA SILIQUA L.) : en es
  • ES168051A1 - INSTALLATION FOR THE ELECTRICAL TREATMENT OF THE HUMAN BODY : en es
  • DE742518C - Base materials for paints and insulating compounds : de en
  • DE743592C - Process for the production of Kuepen dyes : de en
  • FR888943A - Adjustment device for phase compensation of electromagnets of induction measuring devices : en fr
  • USD136934S - Design fob a dress : en
  • FI19826A - The setting of the fitting is fixed to the fiber : en fi
  • US2337671A - Plasticizer : en
  • US2337874A - Resinous composition : en
  • DE743478C - Fine regulator control for step transformers, especially for single-phase transformers on traction vehicles : de en
  • FR888994A - Lathe Tool Holder : en fr
  • ES157934A1 - A PROCEDURE FOR REGENERATING LUBRICANTS AND THEIR CORRESPONDING APPLIANCE : en es
  • US2337642A - Automatic toll ticketing system : en
  • US2338040A - Continuous juice pasteurizer : en
  • US2338022A - Apparatus for making automobile floor coverings and the like : en
  • US2338026A - Adapter for form ties : en
  • FR889081A - Apparatus for autogenous resistance welding of large pieces of light metal, in particular aircraft construction components : en fr
  • ES168197A3 - IMPROVEMENTS INTRODUCED IN THE MOLDS FOR OBTAINING GEARS AND WHEELS OF PLASTIC MATERIALS : en es
  • ES157667A1 - A NEW APPARATUS FOR DYEING WOVEN, YARN AND FIBERS : en es
  • US2337572A - Medicinal compound : en
  • US2338018A - Device for transmission of heat : en
  • DE743458C - Facility for winning in and reloading in the underground longwall : de en
  • GB558304A - Improvements in and relating to electric protective systems of the differential type : en
  • US2337724A - Automatic decalcomania paper stripper : en
  • CA417452A - Clutch mechanism : en fr
  • DE743692C - Electrically heatable hand-held device for generating steam for massage, shaving and inhalation purposes : de en
  • DE743496C - Halyard force switch with deflection-dependent switching duration : de en
  • ES157453A3 - AN IMPROVEMENT IN THE CONSTRUCTION OF REFRIGERATOR UNITS : en es
  • GB558278A - Improvements in or relating to dental burrs : en
  • FR888923A - Process for dehydrating food products and apparatus for carrying out this process : en fr
  • FR889113A - Machine for sharpening helical bits : en fr
  • ES168190A1 - MECHANISM PARA-URDIMBRES PARA TELARES : en es
  • FR888919A - Improvements to continuous vulcanizing devices for electric cables, wires, profiles and similar products : en fr
  • ES157447A1 - A MOUNTING ARRANGEMENT FOR THE OPERATION OF RECTIFIERING WHEELS THROUGH FLEXIBLE SHAFTS : en es
  • ES160138A3 - PROCEDURE TO OBTAIN CAPSULES AND TUBES OF EXTRAPURE FILM OR ZINC-BASED ALLOY, STARTING FROM CAST PIECES : en es
  • FR889110A - Process for producing mixtures of rubber, rubber-like substances, synthetic rubber and synthetic resins : en fr
  • DE743664C - Device for holding the car on the turntable, sliding platform or elevator : de en
  • DE743710C - Acoustic branch filter made up of two or more resonators : de en
  • ES154439A1 - A DISPOSITION OF TOYS THAT SIMILATE THE DESTRUCTION OF A WAR OBJECTIVE : en es
  • US2337683A - Handcart step or curb jack : en
  • ES159856A3 - IMPROVEMENTS INTRODUCED IN THE MILKING BUCKETS : en es
  • US2337601A - Treatment of natural gasoline : en
  • US2337661A - Meter boxes : en
  • CH230264A - Process for the preparation of a new monoazo dye. : de en
  • ES154429A1 - AN AUTOMATIC AUTOMATIC OPERATOR FOR GASOGENS : en es
  • FR888926A - Improvements made to the means to stop occlusion of receptacles such as, in particular, those contained in fire extinguishers : en fr
  • CH230228A - Insulating wall. : de en
  • CH230332A - Combustion chamber for pressurized combustion of gas turbines. : de en
  • PL32395B1 - : en pl
  • PL32414B1 - Mahle Komm.-Ges., Stuttgart-Bad Cannstatt A & fSf / * Light metal piston for internal combustion engines / : en pl
  • US2337911A - Electric regulator : en
  • FR888918A - Articulated sole improvements for shoes : en fr
  • US2337755A - Carton with interlocking bottom : en
  • US2337864A - Film treating apparatus : en
  • ES156157A1 - A MACHINE TO LEARN DACTILOGRAPHY : en es
  • ES160631A1 - IMPROVEMENTS INTRODUCED IN THE WIND POWERED INSTALLATIONS AND PROVIDED WITH SEVERAL WIND WHEELS MOUNTED TOGETHER IN THE SAME TOWER : en es
  • GB558224A - Improvements relating to electronic switching or keying arrangements : en
  • GB558318A - Improvements in or relating to arrangements for controlling electric currents or voltages : en
  • DE743454C - Device for melting off the connecting tube of gas-filled electric incandescent lamps or discharge tubes, which is under internal excess pressure : de en
  • US2337583A - Paper feeding mechanism for accounting machines : en
  • US2337680A - Rubber composition : en
  • US2337664A - Production of artificial filaments or threads : en
  • USD136938S - Design fok a jacket : en
  • CA417351A - Metal sheet feeding mechanism : en fr
  • FR889087A - Sewing machine control : en fr
  • FR888959A - Process for starting the spinning of artificial threads : en fr
  • ES157135A1 - APPARATUS TO CARRY OUT IN A SINGLE OPERATION THE SEALED OF PACKAGES AND SIMILAR BY MEANS OF STICKY PAPER : en es
  • CH230352A - Circuit for supplying a sawtooth-shaped current to the deflection coils of a cathode ray tube. : de en
  • FR889003A - Electric discharge tube, in particular short-wave tube and preferably one-decimetre wave tube, with co-axial electrodes : en fr
  • FR889117A - Process for the manufacture of a wool-like yarn obtained from cellulose hydrate : en fr
  • ES159641A1 - A DEVICE TO REMOVE AND REMOVE TOWELS AND SIMILAR : en es
  • FR888907A - Improvements to individual machine tool control devices : en fr
  • CA417344A - Safety redector assembly : en fr
  • ES158770A1 - IMPROVEMENTS INTRODUCED IN THE APPLIERS PORTAHOJAS DE AFEITAR : en es
  • ES160237A3 - A PROCEDURE FOR THE FILLING WITH ANTI-FRICTION METALS OF BEARINGS, RODS AND OTHER ORGANS WITH SLIDING SURFACES IN GENERAL : en es
  • ES160667A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF DISINFECTANT AGENTS : en es
  • ES161616A1 - SOME IMPROVEMENTS IN THE MANUFACTURE OF SECURITY AND ALARM LOCKS : en es
  • FR889108A - Process for carrying out catalytic reactions with carboniferous substances : en fr
  • ES168015A1 - CLOSURE AND SEALED PROCEDURE TO GUARANTEE THE INVIOLABILITY OF THE SPECIAL ENVELOPES, BAGS OR WRAPS THAT ARE APPLIED TO THE SENT OF CURRENCY PAPER AND OTHER VALUABLE DOCUMENTS : en es
  • DE743465C - Electrolytic cell, especially for the production of hypochlorites : de en
  • ES161586A2 - A NEW KIND OF STAR FOR CONTINUOUS, SELFACTIN AND SIMILAR MACHINES USED IN SPINNING : en es
  • DE743740C - Device for tensioning strip-shaped goods, in particular steel strips in rolling mills : de en
  • ES155370A1 - A PROCEDURE TO SEPARATE BY LICUATION THE GASEOUS MIXTURES IN ITS COMPONENTS : en es
  • CA417371A - Electric valve control circuit : en fr
  • CH230315A - Cage for needle roller bearings, process for its manufacture and apparatus for carrying out this process. : de en
  • US2337845A - 1-diazoaryl-5-pyrazolone-4-sulphonic acids : en
  • CA417478A - Windshield wiper arm : en fr
  • CH230322A - Pressure equalizer on multiple presses. : de en
  • US2337805A - Pump rod shield : en
  • US2337920A - Insulated conductor : en
  • AU118008B2 - Digging and carrying scraper : en
  • US2338080A - Electrical regulating system : en
  • USD136935S - Design fob a dress : en
  • CH230258A - Mechanism for adjusting the movable lower roller of a pair of rollers of a grain mill. : en fr
  • US2337832A - Mixing apparatus : en
  • PL32383B1 - The method of producing condensation products : en pl
  • CH230321A - Lifting gear. : en fr
  • USD136912S - Suspender clasp or similar article : en
  • CA417416A - Permanent magnet : en fr
  • DE743406C - Testing and sorting device for workpieces : de en
  • CA417390A - Hydraulic press control device : en fr
  • CA417427A - Boiler water treating composition : en fr
  • CH230337A - Steel-aluminum hollow rope for high-voltage electrical lines. : de en
  • US2337909A - p-aminobenzene-sulphonyl-amidine derivatives and their manufacture : en
  • CA417352A - Hydraulic hold-down : en fr
  • US2337780A - Agricultural implement : en
  • DE743510C - Magnetogram carrier : de en
  • DE743681C - Refractory lining made of molded bricks for conically extended fire pots of gas generators : de en
  • DE743683C - Gas generators, in particular vehicle gas generators, with downward gasification : de en
  • FI19850A - Anordning vid träimpregneringsanläggningar : en fi
  • FR889044A - Improvements to coat racks : en fr
  • ES160233A1 - NEW CLICHÉ SYSTEM OR THREE LAYER TEMPLATE, FOR MULTICOATS : en es
  • US2337821A - Pump : en
  • US2338072A - Poultry waterer : en
  • CA417490A - Dyeing process : en fr
  • ES161598A1 - PROCEDURE FOR THE OBTAINING OF LEADS FOR MALE OR FOUNDATION NUCLEI : en es
  • ES158043A1 - IMPROVEMENTS IN THE MANUFACTURE OF SCREWS FOR TUBES AND OTHER CONTAINERS : en es
  • CA417429A - Water service stop : en fr
  • DE743752C - Bright annealing process : de en
  • US2337741A - Package : en
  • US2338056A - Tamper backfilling mechanism : en
  • CH230366A - Protective ointment for working with aldehydes, especially formaldehyde, and aldehyde-containing products. : de en
  • US2337652A - Fabric treatment : en
  • ES160017A1 - A PROCEDURE FOR THE MANUFACTURE OF EMITTING ELECTRODES FOR ELECTRICAL DISCHARGE APPARATUS : en es
  • DE743525C - Process for the electrolytic oxidation of aluminum and aluminum alloys : de en
  • FR889021A - Device for the purification of lubricating oil used in particular for the operation of internal combustion engines of aircraft : en fr
  • US2337776A - Thread polishing apparatus : en
  • USD136908S - Embroidered trimming or similar article : en
  • DE743085C - Protection device for load switch : de en
  • DE743750C - Key caps for typewriters and calculators : de en
  • ES157068A1 - DEVICE TO COLLECT FALL POINTS OF POINT GENRES : en es
  • DE743654C - Superheater suspension for a partial chamber boiler : de en
  • US2337804A - Tube-extrusion apparatus : en
  • FR889100A - Slag feed and discharge device for pressure cookers or pressurized gas generators using solid fuels : en fr
  • FR889145A - Improvements to bridge filtering systems with oscillating piezoelectric crystals : en fr
  • ES155571A1 - A NEW BLOCK FOR GAMES OF RADIO RECEIVER APPLIANCES : en es
  • FR888939A - Electric filter : en fr
  • CH230343A - Step control device on transformers or chokes. : de en
  • GB558302A - Screw fastening : en
  • GB558242A - Power transmission flexible coupling : en
  • ES159962A1 - IMPROVEMENTS IN THE MECHANISM OPERATION OF THE ATTRACTIONS OF THE TYPE CALLED THE ROTATING WAVE : en es
  • FR889109A - Process for improving the properties of superpolyamides : en fr
  • DE742102C - Spring base for reclining and seating furniture o. The like. Made of a sheet metal plate or a deformable plate made of another material : de en
  • FR889115A - Process for viscose spinning : en fr
  • FR888963A - Textile matting process : en fr
  • ES161610A1 - PROCEDURE FOR THE OBTAINING OF CÁLICICO ALUMINUM SLUTS WITH A WEALTH GREATER THAN 10 PER 100, SUITABLE FOR DIRECT EXTRACTION WITH SODIUM CARBONATE SOLUTIONS : en es
  • DE743557C - Conveyor device for Schraemklein : de en
  • FR889093A - Improvements to cases for eyeshadows, pencil holders or the like : en fr
  • FR889126A - Time switch comprising discharge tubes filled with gas or steam, capable of being controlled and supplied with alternating current : en fr
  • GB558325A - Improvements in or relating to electric cables : en
  • US2337896A - Loom box motion lever : en
  • FR889094A - Device for shrinking sheets : en fr
  • FR889138A - Liquid switch : en fr
  • ES161310A1 - PROCEDURE FOR THE MANUFACTURE OF SWITCHES OR COLLECTORS FOR ELECTRICAL MACHINES : en es
  • ES161561A1 - IMPROVEMENTS INTRODUCED IN THE APPLIANCES FOR THE REALIZATION OF CHEMICAL REACTIONS IN ITS LIQUID PHASE, AND OF LIXIVATION OR SOLUTION PROCESSES, WITH STRONG AND CONTINUOUS DEPARTURE OF THE MATERIALS THAT INTERVENE IN THE SAME : en es
  • ES168196A1 - APPLIANCE FOR RADIOSCOPIC OBSERVATIONS IN RELIEF : en es
  • US2337709A - Coating apparatus : en
  • US2337852A - Manufacture of dextrose : en
  • ES156677A1 - PROCEDURE FOR THE RECOVERY OF CARBON SULFIDE OF TRIMMED VISCOSA FIBERS : en es
  • FR888962A - Device for switching from one line to the next for typewriters : en fr
  • GB558247A - Locomotive drafting : en
  • ES156320A1 - IMPROVEMENTS INTRODUCED IN ELECTRICAL CONTACTS : en es
  • ES161625A1 - PROCEDURE FOR OBTAINING BUILDING COVERINGS : en es
  • US2337653A - Refrigeration : en
  • US2337768A - Wearing apparel : en
  • CA417340A - Torch machine : en fr
  • DE742519C - Process for improving polymerized and / or oxidized, drying oils : de en
  • ES158339A1 - IMPROVEMENTS IN ELECTRICAL BOILERS : en es
  • FR889119A - Cooling installation for vehicles, in particular for vehicles running on rails : en fr
  • GB558231A - Improvements relating to electrical counting apparatus : en
  • ES154970A1 - A NEW HAND GRENADE : en es
  • GB558338A - Improvements in absorption refrigerating apparatus : en
  • US2337706A - Pedal-connected hydraulic rudder system : en
  • ES161256A3 - AN AQUATIC ATTRACTION FOR FAIRS AND AMUSEMENT PARKS : en es
  • ES161271A1 - COMPRESSED ARMOR FOR BASE STRUCTURES OF CEMENT, BRICK, MIXED OR ANALOGUE : en es
  • GB558252A - Improvements in automatic pilots and like control devices : en
  • DE743538C - Automatic control device with flexible feedback : de en
  • DK61737C - Liquid Filtration Apparatus. : da en
  • US2337625A - Change dispenser : en
  • US2337970A - Dog leash : en
  • US2337598A - Method of lowering the gravity and increasing casting rate of clay slips : en
  • PL32355B1 - Kazimierz Iwanicki, Tschenstochau A replacement stopper : en pl
  • CA417381A - Glassine paper processing : en fr
  • US2337646A - Plant thinner : en
  • PL32380B1 - A method of producing colored polyamide masses : en pl
  • US2337910A - Transmission for motor vehicles : en
  • US2337922A - Condensation product and method of preparing same : en
  • US2337831A - Pump for hydraulic systems : en
  • US2337885A - Telephone booth : en
  • USD136913S - Design for a slipper : en
  • FR888976A - Hand-driven compression device : en fr
  • CA417317A - Dispenser cap : en fr
  • US2337959A - Air chamber for water service lines : en
  • US2337584A - Heat exchange tube : en
  • US2337681A - Copolymer : en
  • US2337691A - Method of making high strength ceramic surfaces : en
  • US2337840A - Air-cooled gun : en
  • DE743655C - Separation plate for water separators in steam boilers : de en
  • US2338067A - Submarine salvaging and lifesaving apparatus : en
  • CH230424A - Process for the production of an acidic wool dye. : de en
  • DE743224C - Process for the preparation of chlorine ether carboxylic acid nitriles : de en
  • CA417402A - Sizing composition : en fr
  • US2338075A - Foot construction of full-fashioned hosiery : en
  • PL32406B1 - Max Bóhm, Friedland Bez. Breslau i flrtur Werner, Hirschberg i. Riesengebirge Stove, in particular top-fill shaft kiln for heating premises : en pl
  • US2338034A - Potato planter : en
  • US2337960A - Gas installation housing : en
  • CH230350A - Multivibrator. : de en
  • US2337729A - Poultry band : en
  • US2337873A - Oil-soluble resinous composition : en
  • US2337914A - Christmas tree stand : en
  • US2338066A - Tire and tire rim : en
  • ES154672A1 - A MANUFACTURING PROCEDURE FOR A NEW FILTER MATERIAL, MAINLY APPLICABLE TO GASOGEN FILTERS : en es
  • CH230439A - Procedure for the representation of Adermin. : de en
  • CA417374A - Camera carrying case : en fr
  • DE743471C - Water tube boiler : de en
  • CH230407A - Method of preparing a compound of the etiocholanic acid series. : de en
  • ES160314A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL ASPHALT : en es
  • ES160991A1 - CENTRIFUGAL REGULATOR, WITH AMPLIFIER OF FORCE THAT ROTATES AROUND ITS OWN AXIS, COINCIDING THIS WITH THE ROTATION AXIS OF THAT, DESTINED TO INTERNAL COMBUSTION ENGINES, EMPLOYED ESPECIALLY IN AUTOMOBILE VEHICLES : en es
  • ES153269A1 - A ROOF SYSTEM FOR CABRIO- LIMOUSINES : en es
  • US2337568A - Program preselecting radio control unit : en
  • US2337954A - Air cooling wave device : en
  • ES157573A3 - A CYLINDRICAL SYSTEM CALCULATING MACHINE : en es
  • FR889140A - Load switch, especially for step regulators of AC devices : en fr
  • CH230253A - Process for the production of a permanent bath for shrink and swell-resistant finishes for viscose rayon and rayon. : de en
  • DE743587C - Braun tubes, especially for television purposes : de en
  • US2337886A - Telegraph system : en
  • US2338059A - Bound groups of sheets and method of binding the same : en
  • CH230408A - Method of preparing a compound of the etiocholanic acid series. : de en
  • DE743490C - Circuit arrangement for reducing the non-linear distortion of an amplifier working with protective grille tubes : de en
  • CA417398A - Corrosion inhibition process : en fr
  • PL32402B1 - Company Fritz Knauer, Breslau Coffee brewing apparatus : en pl
  • US2337721A - Moistener for duplicating machines : en
  • ES168076A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FORGED FLOORS : en es
  • FI19846A - Sågblad förbearbetning : en fi
  • CA417326A - Water softening apparatus : en fr
  • US2337785A - Awning : en
  • PL32420B1 - Siemens & Halske flktiengesellschaft, Berlin-Siemensstadt Multistage amplification system with negative feedback : en pl
  • US2337907A - Adjustable sector plate : en
  • CA417382A - Powdered gypsum dispensing mechanism : en fr
  • DE743628C - Baby carriage with a swinging basket suspended from hangers : de en
  • DE743722C - Air brakes for motor vehicles : de en
  • CH230441A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • US2337577A - Cylinder head construction for engines : en
  • US2337938A - Electric fuse : en
  • US2337540A - Measurement of envelope delay of electric circuits : en
  • US2337593A - Typewriting machine : en
  • US2337850A - Bearing oiler : en
  • US2338016A - Heat exchanger : en
  • DE743597C - Process for the production of threads from solutions of polyvinyl resins : de en
  • DE743702C - Four-stroke, self-igniting, air-compressing internal combustion engine : de en
  • US2337670A - Portable turntable : en
  • USD136926S - Design for a stocking or similar article : en
  • ES168241A1 - PROCEDURE OF INDUSTRIAL OBTENICON OF AN ANTICEPTICO, CICATRIZANTE, RESOLUTIVE AND EMOSTATIC : en es
  • DE743450C - Tube toggle relay arrangement in a direct current feedback circuit for short-term measurements : de en
  • US2337641A - Molasses treatment : en
  • FR888946A - Induction meter : en fr
  • FR889052A - Substitute for vetiver oil : en fr
  • GB558271A - Improvements in and relating to coal-face loaders for use in mines : en
  • CH230235A - Electrically heated defrosting device. : de en
  • ES157133A1 - PROCEDURE FOR THE MANUFACTURE OF FIBROCEMENT MATERIALS FOR THE CONSTRUCTION OF WORKS AND OTHER APPLICATIONS : en es
  • ES161611A1 - PROCEDURE FOR THE OBTAINING OF CALCIUM ALUMINUM SLUTS WITH LESS THAN 10 PER 100 SILICYL ACID APPROPRIATE FOR ALUMINUM TRANSFORMATION : en es
  • FR889013A - Improvements to devices for sound recording with reduction of background noise : en fr
  • GB558289A - Improvements in ventilators for crucible and like furnaces : en
  • ES161622A1 - IMPROVEMENTS INTRODUCED IN THE GASOGENS OF RISING VEHICLES AND WITH ADDITION OF WATER VAPOR : en es
  • US2337745A - Lamp and receptacle therefor : en
  • GB558327A - Improvements in and relating to boiler furnaces : en
  • PL32366B1 - Hartwig & VogeI Aktiengesellschaft, Dresden Vending machine : en pl
  • ES168245A1 - PROCEDURE FOR THE SENSITIZATION OF A SUPPORT MATERIAL FOR PHOTOGRAPHS AND FOR THE SUBSEQUENT TREATMENT OF THE SAME AFTER THEY ARE EXPOSED TO THE LIGHT : en es
  • FR889056A - Process for obtaining water-soluble polyvinyl acetals : en fr
  • CA417457A - Refrigerator car : en fr
  • ES161645A1 - PROCEDURE FOR PREPARING MASSES OF REFRACTORY MATERIAL, WITHOUT COOKING : en es
  • FR888967A - Process for improving the properties of shaped products obtained from high molecular weight bodies and containing amino groups : en fr
  • ES158591A1 - PROCEDURE FOR STICKING GLASS LEAF, MARMORITE, OPAXITE AND OPALINES AGAINST WALLS, COVERS, BUILDINGS OR ANY FLAT AND HARD OBJECTS BY MEANS OF GLUE AND METALLIC CLAMPING JOINTLY : en es
  • DE743491C - Capacitor resistor-coupled amplifier with gain control : de en
  • US2337849A - Vacuum pump : en
  • US2337979A - Eraser device : en
  • ES159624A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FLOORS AND FORGED IN GENERAL OF ARMED CONCRETE : en es
  • US2337892A - Package : en
  • DE743742C - Process for producing tubes on a continuous reducing mill : de en
  • ES160368A1 - IMPROVEMENTS IN HUBS OF MUFFLE FOR THE STRETCHING AND MECHANICAL BLOWING OF TUBE AND GLASS ROD : en es
  • US2337788A - Control system for automobiles : en
  • US2337882A - Process for the manufacture of thiourea : en
  • US2338002A - Machine for welding keys to can ends : en
  • ES160531A1 - IMPROVEMENTS IN ELECTRIC OVENS : en es
  • FR889041A - Removable time circuit breaker, mechanism allowing periodic and predetermined trips : en fr
  • US2338043A - Uncurling guide for sewing machines : en
  • ES158700A1 - PROCEDURE FOR THE OBTAINING OF DYES ON MIXTURES OF ANIMAL FIBERS AND CELLULOSIC FIBERS : en es
  • GB558234A - Improvements in or relating to the manufacture of transportable building units : en
  • US2337737A - Duplicating process for reproducing color designs of high color intensity : en
  • ES157332A1 - PROCEDURE AND INSTALLATION FOR THE TREATMENT OF THE INTERIOR OF BODIES IN THEIR OPAQUE, MADE VISIBLE THROUGH RADIOSCOPY : en es
  • US2337630A - Hydrocarbon conversion : en
  • GB558248A - Improvements in and relating to hydraulic telemotors : en
  • US2337898A - Phorometer : en
  • US2337952A - Hand fertilizer distributor : en
  • US2337765A - Bomb : en
  • US2337865A - Container made of paper : en
  • DE743605C - Process for the regeneration of synthetic rubber consisting of polymers of butadiene, its alkyl or halogen derivatives : de en
  • ES157748A1 - A PROCEDURE FOR THE MANUFACTURE OF A SOLE OR WOOD FLOOR OF INTERCHANGEABLE PIECES. : en es
  • US2337718A - Sander table : en
  • GB558349A - Improvements in or relating to padlocks or like cases : en
  • CH230449A - Bicycle the handlebars of which are fitted with a shock-absorbing device. : en fr
  • PL32368B1 - Franz Herglotz, Berlin ^ v ^ j Electric stove for space heating : en pl
  • US2337848A - Hydraulic press : en
  • ES168211A1 - PALLET MACHINE : en es
  • FI19863A - Förfaringssätt for stabilization of nitrostarch : en fi
  • DE743724C - Moistening device : de en
  • FR888971A - Aluminum alloy : en fr
  • FR889019A - Fodder silo equipped with an installation for evacuating the juice from the fodder : en fr
  • ES152224A1 - A NEW PROCEDURE FOR AUTOMATIC ALARM WARNING IN CASE OF FIRE : en es
  • GR10203B - MIXING OF SULFUR WITH OTHER CHEMICALS, FOR SPRAYING VINES, TREES, ETC. : el en
  • CH230433A - Process for the preparation of 2 ', 4'-dimethyl-benzoyl-4-amino-benzenesulfonamide. : de en
  • ES161649A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF THREADS FOR EXTENSIBLE THREADS : en es
  • CA417386A - Heat cast refractory : en fr
  • CH230243A - Frame, especially for households. : de en
  • US2337986A - Packing : en
  • FR889131A - Antenna for radio equipment, in particular for airplanes : en fr
  • FR889139A - Rings for collectors, in particular for three-phase current generators with exciter or the like : en fr
  • DE742580C - Process for the transfer of phosphate and phosphoric acid-containing waste gypsum slurries into fertilizers : de en
  • CA417487A - Radio receiving apparatus : en fr
  • PL32418B1 - Siemens & Halske Aktiengesellschaft, Berlin Multiple carrier frequency design with cable : en pl
  • ES159639A1 - IMPROVEMENTS IN THE MECHANISMS OF DRIVER'S ACTIVATION IN THE TELESCOPING MACHINES : en es
  • ES160845A1 - PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL MARBLE : en es
  • US2337989A - Photographic developer : en
  • PL32400B1 - Diirener Metallwerke flktiengesellschaft, Berlin / ^ * ^. flC Chill for casting clad plates, especially: metal alloys, light : en pl
  • CH230410A - Process for the production of a new condensation product. : de en
  • ES152625A1 - AN AUTOMATIC DISCHARGER APPLICABLE TO AIR COMPRESSORS : en es
  • FR889098A - Optical glass : en fr
  • GB558239A - Improvements relating to concrete structures : en
  • US2337564A - Steroidal oxidation product and method of obtaining same : en
  • US2337971A - Percussion extracting device : en
  • US2338057A - Static balancing machine : en
  • DE743530C - Device for the detachable connection of two parts, in particular mandrel or chuck for machine tools : de en
  • DE743550C - Process for spraying thermally curable synthetic resin paints : de en
  • FI19853A - Anordning vid vattenpass : en fi
  • ES161609A1 - A PROCEDURE FOR OBTAINING DICHALIC PHOSPHATE BY DISGREGATION OF GROSS PHOSPHATES WITH PHOSPHORIC ACID : en es
  • GB558244A - Improvements in and relating to electric lamp sockets : en
  • US2337782A - Flower holding barrette : en
  • ES157359A1 - NEW INDESHINCHABLE ELASTIC BANDAGE SYSTEM FOR WHEELS OF BICYCLES, MOTORCYCLES AND OTHER VEHICLES : en es
  • ES159636A1 - PROCEDURE TO OPERATE GASOGENS : en es
  • CA417435A - Prepared roofing : en fr
  • ES161615A1 - SOME IMPROVEMENTS IN THE MANUFACTURE OF APPLIANCES TO COLLECT THE DRAINED POINTS OF THE STOCKINGS : en es
  • GB558283A - Improvements in or relating to carburettors : en
  • DE743636C - Brake oil reservoir for motor vehicles : de en
  • ES158289A3 - AN IMPROVEMENT IN THE EYE MECHANISMS FOR DOLLS : en es
  • CA417463A - Suspended solid processing : en fr
  • CH230236A - Process for manufacturing a fuel and fuel obtained by this process. : en fr
  • GB558312A - Improvements connected with the manufacture of shelved cabinets, cupboards and the like : en
  • CH230310A - Process for increasing the creep strength of zinc alloys. : de en
  • FI19852A - Förfaringssätt fåtskiljning av nickel och koppar : en fi
  • CH230421A - Process for the production of an acidic wool dye. : de en
  • US2337834A - Polymeric material : en
  • GB558269A - Rectifier connection : en
  • US2337634A - Water sealed expansion joint : en
  • DE743705C - Device for regulating the fuel delivery for internal combustion engines : de en
  • ES156303A1 - A PROCEDURE TO AVOID ALL CHEMICAL INFLUENCE FROM THE TUBULAR OUTSIDE FLAME ON THE MASS MATERIAL THAT LEAVES THE ENTRAL CHANNEL OF A PROJECTOR APPARATUS FOR COATING ORGANIC SUBSTANCES OF DEPARTURE : en es
  • DE743521C - poetry : de en
  • FI19869A - Corrosion resistant separator ball : en fi
  • FR889070A - Auxiliary device for the fabrication of prosthetic legs : en fr
  • ES158739A1 - IMPROVEMENTS IN DRIVE WHEELS OR AUTOMOBILE TRAILERS : en es
  • ES161647A1 - PROCEDURE FOR THE CONSTRUCTION OF PILOTS RESISTANT TO CORROSION OR ATTACKS BY CHEMICAL AGENTS OF THE LAND : en es
  • FR888909A - Improvements made to devices or components for clamping and connecting cables, wires, such as terminals, thimbles, fittings : en fr
  • DE743457C - For the dismantling in the face along the excavation joint, movable cutting machine with two swiveling chain cutting arms : de en
  • ES152697A1 - AN AXIAL SAFETY FLEXIBLE, FOR CLOSURE OF DOORS, BALCONIES AND VENTANASS : en es
  • CA417404A - Rosin size emulsion : en fr
  • CH230357A - Arrangement for regulating the emission current at the beam generator of a corpuscular beam apparatus. : de en
  • ES161651A1 - ELECTRIC POWERED ROTARY MULTICOPISTA : en es
  • FR888902A - Culinary tablets : en fr
  • CH230314A - Threadless clamping device for securing pipes that can be moved one inside the other. : de en
  • BE453267A - Process for removing chlorine from gas mixtures : en fr
  • CH230445A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • US2337725A - Earth-leveling device : en
  • USD136940S - Design for a dress : en
  • CH230263A - Process for the preparation of 6-amino-dihydrocinchonidine. : de en
  • CH230354A - Process for impregnating windings for electrolytic capacitors. : de en
  • DE743488C - Arrangement for quick replacement of the membrane of electrodynamic loudspeakers : de en
  • ES157649A1 - PNEUMOCOLAPSOR APPLICABLE APPARATUS IN THE PULMONARY COLLAPSOTHERAPY : en es
  • ES161283A3 - MACHINE FOR THE VIBRATION OF MATTERS THAT CAN BE RAMMED : en es
  • DE743524C - Process for cleaning chromium electrolytes : de en
  • CH230411A - Process for the production of a new condensation product. : de en
  • DE743721C - Compressed air-operated braking device for trailers of motor vehicles equipped with spring-loaded brakes : de en
  • CA417468A - Tape transmitter distributor : en fr
  • CH230239A - Receiving containers for knives, in particular cake knives. : de en
  • FR889058A - Process for manufacturing composite bodies, more particularly safety glass : en fr
  • FR889063A - Improvements in the manufacture of hammers, masses and, in general, of all tools with oval eye : en fr
  • CA417418A - Composite metal stock : en fr
  • CA417428A - Motion picture projector film holder : en fr
  • CH230305A - Fixed wire feeder. : en fr
  • ES161635A1 - A PROCEDURE FOR THE OBTAINING OF HONEY FROM GRAPES AND MUSTS : en es
  • FR889148A - Current-saving device applicable in particular to electric lighting : en fr
  • CA417453A - Spring filled packing : en fr
  • ES159629A1 - A HIGH FREQUENCY SYSTEM OF ECHALIZATION, WITH THE CORRESPONDING EMITTER AND RECEIVER : en es
  • DE743539C - Air braking device : de en
  • FR889030A - Rodent trap : en fr
  • CA417338A - Vertical rotary moulding machine : en fr
  • US2337769A - Portable power-driven hack saw : en
  • USD136904S - Heat transfer unit : en
  • USD136921S - Toy figure or similar article : en
  • ES158127A3 - AN ARTICULATED DOUBLE CROSS PERCUSSION APPARATUS FOR CRUSHING ALL KINDS OF PRODUCTS : en es
  • ES158505A1 - PROCEDURE FOR THE MANUFACTURE OF DISSEMINATION MEANS : en es
  • FR889101A - Process of developing sound negatives : en fr
  • DE743472C - Water tube boiler : de en
  • ES160226A3 - PROCEDURE FOR THE CONSTRUCTION AND INSTALLATION OF AERIAL CABLES TO DRAG SKIERS UP THE SLOPE OF THE MOUNTAIN, CALLED TELESQUIS : en es
  • PL32413B1 - Mahle Komm.-Ges. *), Stuttgart-Bad Cannstatt IfL ^ A / Piston for combustion engines : en pl
  • DE743734C - Nozzle head for dusting milk of lime or the like. : de en
  • CA417365A - Electromagnet : en fr
  • ES161640A1 - IMPROVEMENTS IN MECHANICAL SCREENERS WITH PARALLEL REGULATION : en es
  • US2337887A - Paper and its production : en
  • GB550272A - Improvements relating to the purification of coal and like gas : en
  • GB558322A - An improved device for the release of clockwork and like intermittently released driving mechanism : en
  • ES158919A1 - A PROCEDURE, WITH ITS CORRESPONDING DEVICE, TO MAKE THE ARTIFICIAL PNEUMOTORAX, THROUGH A POLARIZED AIR CURRENT THROUGH A VALVE-FILTER : en es
  • CA417436A - Pressure accumulator : en fr
  • ES159980A1 - AUXILIARY TRANSMISSION BY GEAR FOR FORWARD OR REVERSE IN A MAIN TRANSMISSION OF AUTOMOTIVE VEHICLE, WHOSE AXIS OF IMPULSION AND DEPARTURE ARE NOT IN LINE WITH ANOTHER, BUT ROTATE IN THE SAME SENSE : en es
  • ES160610A1 - INSTALLATION OF HEATING FOR BUILDINGS : en es
  • ES155049A1 - A GAS PRESSURE REDUCER : en es
  • PL32354B1 - A method of preventing the interference caused by the granularity of a fluorescent material in a television disintegration apparatus by means of a beam of cathode rays : en pl
  • US2337747A - Moistening means for duplicating apparatus : en
  • FR889130A - equipment for automatic checking of ball tolerance : en fr
  • US2337626A - Balustrade : en
  • USD136911S - Casing for densitometer or similar article : en
  • FR889132A - Arrangement of reactance coils : en fr
  • ES156230A1 - NEW PROCEDURE FOR OBTAINING VEGETABLE FIBERS THROUGH FERMENTATION TREATMENTS : en es
  • ES168234A3 - A RADIO FREQUENCY TRANSFORMER WITH VARIABLE PERMEABILITY : en es
  • GB558288A - Improvements in or relating to cooking stoves : en
  • US2337570A - Stabilization and control of rotating wing aircraft : en
  • CH230255A - Pliers. : en fr
  • US2337943A - Propellent powder process : en
  • US2338013A - Sheet metal container : en
  • GB558314A - Receiving systems for modulated electric carrier waves : en
  • DK61759C - Method of Making Porous Material. : da en
  • FR889064A - Electric current switch, in particular switch for extinguishing the arc by means of an extinguishing agent produced by the arc itself : en fr
  • FR889129A - Method and device for the preparation and introduction of liquid fuels into the combustion chamber of internal combustion engines : en fr
  • CA417408A - Luminaire : en fr
  • CH230262A - Process for the preparation of a cyclopentanopoly-hydrophenanthrene ketol. : de en
  • ES157081A1 - A BODY SYSTEM : en es
  • ES161591A3 - IMPROVEMENTS IN TRAILERS FOR HITCHING BICYCLES : en es
  • FR889046A - Method of classifying hard coal or other mixtures of materials of different density in heavy liquids : en fr
  • ES158114A1 - A SYSTEM OF TRANSMISSION OF PROJECTED MOVEMENTS : en es
  • GB558301A - Improvements in the method of making stockings and in machines therefor : en
  • ES158670A1 - PROCEDURE FOR THE MANUFACTURE OF FABRICS FOR CERNER : en es
  • FI19844A - Iron parts of the flagpole : en fi
  • USD136928S - Design for a tile : en
  • DE743437C - Method and apparatus for making photocopies and blueprints : de en
  • US2337990A - Compound tool : en
  • CA417339A - Printing machine : en fr
  • CH230291A - Direct-reading ionization vacuum gauge. : de en
  • US2337942A - Assorting machine : en
  • US2337678A - Electrical condenser manufacture : en
  • ES156143A3 - A PROCEDURE FOR FIXING, IN THE BUILT-IN BOXES, THE VARIOUS APPARATUS USED IN ELECTRICAL INSTALLATIONS : en es
  • ES158321A1 - A NEW CHANGE OF SPEED FOR SPEEDS OF ALL KINDS : en es
  • ES160085A1 - IMPROVEMENTS IN HOSES USED IN THE MANUFACTURE OF GLASS TUBE OR SOLID GLASS ROD : en es
  • DE743601C - Ointment base : de en
  • GB558347A - Improvements in and relating to welding methods and apparatus therefor : en
  • US2337600A - Method and apparatus for refrigerating transportation enclosures : en
  • USD136944S - Design fob a dress : en
  • US2338019A - Fiber container : en
  • US2337611A - Shoe sewing machine : en
  • US2337946A - Flush tank valve seat finishing tool : en
  • DE743517C - Seed repellants against bird damage : de en
  • FR889001A - Contact device operated frequently or periodically : en fr
  • US2337983A - Spray booth : en
  • US2337602A - Detachable card for gyro turn units of automatic pilots : en
  • FI19855A - Bränslepump : en fi
  • ES159009A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF MAGNETIC NUCLEI THAT HAVE SMALL LOSSES IN HIGH FREQUENCY : en es
  • FR889012A - Process for preparing esters : en fr
  • US2337624A - Condensing unit : en
  • PL32385B1 - Stabilizing device for indirect acting regulator : en pl
  • USD136936S - Design for a dress : en
  • PL32407B1 - : en pl
  • CA417474A - Printing telegraph system : en fr
  • CA417480A - Machine tool : en fr
  • CH230225A - Garden tool. : de en
  • USD136919S - Toy figure or similar article : en
  • US2337796A - Ceiling and wall jack : en
  • US2337868A - Inhibitor and process of making same : en
  • DE743657C - Vertical chamber furnace for distilling coal : de en
  • CA417370A - Dynamo-electric machine : en fr
  • USD136906S - Design for a kitchen cabinet or the like : en
  • CH230313A - Cushioning device. : de en
  • CA417467A - Telegraph starting sequence system : en fr
  • DE743688C - Process for cleaning the finishing agent used in the manufacture of rayon : de en
  • ES161358A3 - SOAP COOLING SYSTEM, INTERCALING IN THE BOXES OF HOT SOAP PLATES WITH INTERNAL CIRCULATION OF COLD WATER : en es
  • ES167957A1 - APPARATUS INTENDED FOR THE MANUFACTURE OF LOW TEMPERATURE ALCOHOLS : en es
  • GB558303A - Improvements in and relating to clip devices for securing wire or the like to a support : en
  • FR889106A - Tower forming superimposed shelters : en fr
  • US2338050A - Sheet supporting means for tin plate sheet feeders : en
  • PL32422B1 - : en pl
  • US2337965A - Coupling network : en
  • ES153759A1 - A SYSTEM FOR THE CONSTRUCTION OF VEHICLES MOVED OR ACTUATED BY THEIR CREWS OR PASSENGERS : en es
  • CH230288A - Device for linear time deflection and blocking of the beam of a cathode ray oscilloscope. : de en
  • US2337934A - Ultra high frequency impedance measuring apparatus : en
  • PL32390B1 - : en pl
  • US2337607A - Filing box : en
  • US2337912A - Halogenation of nitro compounds : en
  • CH230429A - Process for the preparation of a new solid compound of pyridine-B-carboxylic acid diethylamide. : de en
  • PL32364B1 - : en pl
  • US2337679A - Apparatus for coating articles : en
  • CH230442A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • DE743440C - Braking device acting on the towing vehicle when the trailer hits the trailer : de en
  • CA417493A - Sewing machine : en fr
  • US2337705A - Door arrangement for baling presses : en
  • US2337726A - Method of and apparatus for felting fibrous material : en
  • CA417412A - Blank delivery apparatus : en fr
  • FR889032A - Build plate : en fr
  • GB558279A - Improvements in or relating to the construction of silos and similar walls : en
  • ES168219A3 - PASTE MANUFACTURING PROCEDURE FOR REPOLISHING METALLIC SURFACES : en es
  • DE743735C - Arrangement for cathode ray tubes equipped with fluorescent screen and reading scale for short-term measuring devices, especially for echo sounders : de en
  • CA417337A - High explosive shell loading apparatus : en fr
  • US2337715A - Guard for roller window blinds : en
  • CH230382A - Device for transmitting signals. : de en
  • CH230304A - Machine for producing flexible and endless tubes from strip-shaped materials in a single, continuous operation. : de en
  • CA417472A - Sheet handling mechanism : en fr
  • CH230372A - Circuit arrangement for alternating current telegraphy with phase reversal. : de en
  • DE743696C - Method for operating drying ovens, in particular foundry drying ovens : de en
  • ES156960A1 - IMPROVEMENTS MADE IN THE MANUFACTURE OF CARBON AGGLOMERATES : en es
  • CA417320A - Container manufacture : en fr
  • DE743725C - Drawing head on drawing machines : de en
  • ES156668A1 - IMPROVEMENTS INTRODUCED IN THE GOFFLED FILMS, AND ESPECIALLY LENTICULAR OPTICAL SELECTORS : en es
  • CA417464A - Photo-electric transmitter : en fr
  • PL32427B1 - A method for the production of valuable hydrocarbon products from liquid, semi-solid or fusible carbon materials, suitable for distillation and containing asphalt substances : en pl
  • US2338044A - Apparatus for preventing explosions of volatile liquids : en
  • GB558280A - Mechanisms for operating electric switches : en
  • CA417451A - Telephone system : en fr
  • US2337770A - Bobbin : en
  • CA417489A - Drying apparatus : en fr
  • CA417321A - Mining method : en fr
  • AU123296B2 - Improvements relating to electric fuses of the cartridge type : en
  • US2337828A - Stiffened garment hanger : en
  • DE743531C - The working slide of milling machines is driven by a spindle and nut, each of which can be driven by a motor : de en
  • GB558306A - Improvements in kinematograph film spools : en
  • PL32374B1 - The method of oiling fibrous materials : en pl
  • US2337774A - Apparatus for counting laundry : en
  • ES168029A1 - PROCEDURE FOR THE MANUFACTURE OF A SILVER SALT OF PHARMACEUTICAL APPLICATIONS (SILVER PECTINATE) : en es
  • CH230246A - Equipment for cooking, baking, drying and cooling. : de en
  • CH230398A - Electromechanical control device for electric, thermal and in particular thermo-electric traction vehicles. : de en
  • DE743456C - Breast support insert for brassiere : de en
  • AU123297B2 - Improvements relating to electric storage battery plates : en
  • CH230339A - Device for regulating the voltage of an automatically charged battery. : de en
  • CA417316A - Gas-producing arrangement for motor vehicles : en fr
  • CH230431A - Process for the preparation of 4'-methyl-benzoyl-4-aminobenzenesulfonamide. : de en
  • CH230231A - Safety closing device on a flue gas pipe. : de en
  • US2337589A - Automatic steering gear : en
  • US2337698A - Beet harvester : en
  • US2337869A - Container : en
  • USD136917S - Design fob a dress : en
  • US2337951A - Testing device for use in the application of screw closures : en
  • CH230375A - Circuit arrangement with a selector that can be driven by a motor in telecommunications systems, in particular telephone systems. : de en
  • CH230389A - Binding machine. : en fr
  • FI19845A - Procedure for joining small, planks and the like into larger surfaces, a wooden surface made accordingly and a machine for putting the procedure into practice : en fi
  • GB558245A - Improvements in and relating to magneto-electric ignition apparatus : en
  • CH230284A - Electrical display device for targets with spring-loaded return elements. : de en
  • US2338041A - Cigarette package : en
  • US2337775A - Manufacture of sausage casings and the like : en
  • CA417348A - Tape-serving mechanism : en fr
  • ES159579A1 - IMPROVEMENTS IN HAIRDRYERS HAIR DRYERS : en es
  • USD136909S - Design for an embroidered lace : en
  • DE743548C - Wooden shoe sole : de en
  • CH230385A - Security device on suitcases against theft. : de en
  • CH230306A - Machine for the production of eyelets on wires. : de en
  • US2337658A - Incendiary bullet : en
  • FR889016A - Method for preventing slippage of slippery rayon fabrics : en fr
  • CA417355A - Steel production : en fr
  • CA417422A - Wheel brake : en fr
  • CH230401A - Device for achieving large brake pad clearances on brakes with a high transmission ratio. : de en
  • DE743452C - Method and device for processing residues from the digestion of wood with hydrochloric acid : de en
  • FI19868A - Centrifuginsats : en fi
  • FR888992A - Method for regulating the short-circuit current and the normal operating current of direct current electric generators, in particular for arc welding, and generator for implementing this method : en fr
  • GB558264A - Vertical-axis rotary loop-taker for sewing machines : en
  • CH230296A - Chronometric instrument with dials and indexes. : en fr
  • CA417485A - Denture manufacture : en fr
  • CH230443A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • US2337684A - System for recovering finely divided solids from gases : en
  • CA417430A - Fabric decoration : en fr
  • US2337760A - Track joint lubrication : en
  • US2337985A - Method of manufacturing belts : en
  • CH230283A - Bar lock for gun barrels. : de en
  • SE109408C1 - : en
  • USRE22414E - johnson r : en
  • CH230358A - Object holder for electron beam devices. : de en
  • CA417363A - Sheet material processing : en fr
  • CA417465A - Power transmitting apparatus : en fr
  • CH230355A - Process for the gas-tight fusing of a glass body to a metal body and an object manufactured according to this process. : de en
  • CH230349A - Automatic installation overcurrent switch. : de en
  • US2337613A - Position indicator : en
  • ES160369A1 - IMPROVEMENT OF THE CUTTING DEVICE IN THE TUBE AND GLASS ROD STRETCHING MACHINES : en es
  • ES155522A1 - A PROCEDURE, WITH ITS CORRESPONDING APPARATUS, TO STABILIZE THE LIQUIDS INSERTED IN THE BOCOYES OR OTHER CONTAINERS, SUCH AS WINES AND VINEGARS, AND ESPECIALLY THOSE CONTAINING OLIVES IN BRINE OR OTHER VEGETABLE PRESERVES : en es
  • PL32372B1 - A device for casting metals, especially light metals : en pl
  • CH230392A - Containers for storing objects such as rivets, screws, pins. : de en
  • GB558309A - Improvements in or relating to posture chairs : en
  • ES154456A3 - IMPROVEMENTS IN THE TALKING MACHINES WITH AUTOMATIC DISC CHANGE : en es
  • ES159184A1 - HEATING PROCEDURE USING OR NOT THE FACILITIES, OR INDEPENDENT RADIATORS : en es
  • FR888981A - Lubricating device for joints effecting essentially only a reciprocating motion, in particular for butt joints of locomotive motor mechanisms : en fr
  • US2337636A - Railway switch operating apparatus : en
  • CA417354A - Store front : en fr
  • CH230326A - Method and device for controlling steam or gas turbines which are used to drive steam boiler feed pumps. : de en
  • ES156319A1 - PROCEDURE AND DEVICE FOR ELECTRICAL PURIFICATION OF GASES : en es
  • CH230261A - Vapor washer. : de en
  • CH230381A - Low frequency amplifier circuit with negative feedback. : de en
  • CH230379A - Device for demodulating frequency-modulated oscillations. : de en
  • ES168192A3 - IMPROVEMENTS IN THE MANUFACTURE OF HEATING ELEMENTS BY MEANS OF STAINLESS ELECTRICAL RESISTORS : en es
  • ES168288A1 - AUTOMATICOM BLOCKING LOCK OR SUBFUSIL MECHANISM OF THE OTHER AUTOMATIC WEAPON : en es
  • FR889090A - Process for the purification of benzine hydrocarbons : en fr
  • GB558305A - Automatic trailing edge flap controls for and relating to aircraft having wings of variable incidence with a dihedral angle : en
  • US2337713A - Electrical switch control : en
  • CH230251A - Line. : de en
  • PL32396B1 - A method for determining piston stroke dead points in a cylinder of an internal combustion engine and an apparatus for carrying out the method : en pl
  • US2337558A - Toe lasting machine and method : en
  • CH230380A - Method and device for automatically influencing the detuning of a vibration unit. : de en
  • DE743573C - Arrangement of the secondary heating surfaces in a steam generator with an upper drum arranged on the front and a combustion chamber lined on all sides with evaporation pipes : de en
  • FR888951A - Jacquard flat knitting machine : en fr
  • USD136941S - Design fob a dress : en
  • US2337777A - Sweep : en
  • FR888936A - Process for the manufacture of derivatives with analgesic action of 1-oxyphenyl-3-aminopentane : en fr
  • FR888948A - Heat-fixed chrome steel : en fr
  • CH230361A - Device for the objective determination of the local ability of distinction in people. : de en
  • ES155560A1 - PROCEDURE, WITH YOUR DEVICE, TO FREEZE FRUITS, VEGETABLES AND SIMILAR : en es
  • GB558300A - Improvements in or relating to photo electric cells : en
  • PL32387B1 - A method of making furnace parts, e.g. air nozzles, nozzle tubes, exposed to high temperatures, especially gas generators : en pl
  • US2337867A - Power-operated window-lifting device : en
  • US2337883A - Pneumatic ticket receiving valve : en
  • PL32343B1 - Franz Carniel, Wiener Neustadt Commercial ledger team : en pl
  • CH230386A - Containers for coupons for food, meal cards, etc. : de en
  • PL32379B1 - Device for hot metal pressing : en pl
  • PL32350B1 - : en pl
  • CA417443A - Oil well production method : en fr
  • DE743612C - Temperature compensated resistance manometer : de en
  • US2337551A - Process of producing gas mixtures for synthetic purposes : en
  • CH230370A - Device for the orderly storage of paper money. : de en
  • CH230417A - Process for the production of a new condensation product. : de en
  • US2337640A - Production of high octane blending stocks : en
  • US2337644A - Air conditioning apparatus : en
  • US2338027A - Grate construction : en
  • US2337763A - Agricultural implement : en
  • DK61757C - Method and Apparatus for Making Image Projection Screens. : da en
  • ES159843A1 - A PROCEDURE FOR OBTAINING DENTAL PROSTHESIS : en es
  • US2338015A - Sheet bowing support for oven conveyers : en
  • ES158068A1 - A STEAM ELECTROSTATIC PLATE : en es
  • GB558335A - Improvements in mowing or reaping machines : en
  • USD136914S - Louis kolker : en
  • FR888996A - Products based on a plastic or liquid organic material and a hydrophilic filler and their manufacturing process : en fr
  • FR888964A - Airplane message reception facility : en fr
  • US2337792A - Article of manufacture and process for making same : en
  • ES161056A1 - IMPROVEMENTS IN NETWORKS FOR FISHING : en es
  • US2337695A - Powder puff, and similar article, and means and method of making the same : en
  • US2337701A - Apparatus for making contact lenses : en
  • DE743615C - Speedometers, in particular for aircraft : de en
  • DE742666C - Varnishes, air-drying lacquers and paints : de en
  • DE743575C - Connection of a steam generator with a demixing drum above the water level of the main boiler drum with a pre-evaporator : de en
  • ES161633A1 - PROVISION OF MODULATING THE FREQUENCY OF A SELF-EXECUTED TRANSMITTER OF SHORT WAVES : en es
  • DE742664C - Improvement of soot by reducing the carbon content : de en
  • US2338028A - Well surveying instrument : en
  • US2338039A - Marking device : en
  • US2337696A - Article working apparatus : en
  • US2337937A - Electric fuse : en
  • ES161617A1 - SOME IMPROVEMENTS IN THE ASSEMBLY OF VARIABLE CONDENSERS FOR RADIO RECEPTORS : en es
  • DE743444C - Lubricating device for the foot bearings of spinning spindles : de en
  • ES157549A3 - NEW RUBBER THREAD MANUFACTURING PROCEDURE : en es
  • ES160588A1 - A NEW COFFEE MAKER : en es
  • FR889049A - Process for producing enamels : en fr
  • US2337633A - Window construction : en
  • CH230331A - Equal pressure gas turbine system with a closed circuit of the working medium. : de en
  • US2337536A - Supply feed mechanism for packages : en
  • CH230238A - Gas cooker with at least one burner fitted with a heat concentration device. : en fr
  • US2337843A - Electric impact anikinterrtipteil : en
  • US2337984A - Nut and bolt device : en
  • US2338005A - Power plant : en
  • CA417357A - Railway light car body : en fr
  • FR889018A - Apparatus for calculating feed rations for livestock : en fr
  • DE743576C - Automatic feed regulator with hydraulic servomotor and flexible feedback : de en
  • ES156926A1 - A SOLID COMBUSTIBLE BOILER FOR THE WHOLE APPLICATION : en es
  • FR889088A - Stove for drying constructions : en fr
  • ES161631A1 - NEW PROCEDURE FOR CONSERVATION AND DISTRIBUTION OF RETAIL BEER WITH PERMANENT GASIFICATION : en es
  • US2337857A - Apparatus for shaping and vulcanizing pneumatic tires : en
  • USD136920S - Toy figure or similar article : en
  • US2337866A - Trial frame : en
  • US2337704A - Discharging device for ball mills : en
  • DE742646C - Process for dyeing cellulose fibers or mixtures of cellulose fibers with animal fibers : de en
  • US2337756A - Slack adjuster : en
  • US2337978A - Educational toy : en
  • ES161568A3 - IMPROVEMENTS INTRODUCED IN THE GREASERS : en es
  • US2337826A - Acid treatment of oils : en
  • FR888961A - Heating device for gas-heated liquids : en fr
  • DE743470C - Process for the refinement of hard coal pressure extracts by treatment with oxygen : de en
  • DE743663C - Handbrake for field railroad cars : de en
  • PL32410B1 - t ~ ^^ / / / Device for locking interconnected windows : en pl
  • DE743589C - Arrangement for multiple scanning of the images of a uniformly moving film : de en
  • ES158958A1 - PROCEDURE FOR THE GRAMOPHONE RECORD, WITH VARIABLE PASS AT WILL, IN THE PRINTING OF RECORDS : en es
  • DE742618C - Device for forming bent prongs for the purpose of producing a closure on the edge of bags or the like. : de en
  • ES4824Y - Device for the manual application of liquid, especially those that have a low boiling point, combined with a gauge for gluing films. : en es
  • US2337576A - Benzylthiouronium salt of pantothenic acid and process of making the same : en
  • US2337605A - Apparatus for and method of preparing fused materials : en
  • US2338071A - Apparatus for tempering glass bottles and like articles : en
  • ES168198A3 - PROCEDURE FOR OBTAINING PLATES MADE OF FIBERS AGGLOMERATED WITH ARTIFICIAL RESINS, DESTINED FOR VARIOUS INDUSTRIAL PURPOSES : en es
  • DK61746C - Types, Blind Material or Casting Lines for Line Casting Machines for Letterpress Printing. : da en
  • US2337688A - Apparatus for continuous saccharification of starch : en
  • ES157665A3 - PROCEDURE FOR THE MANUFACTURE OF HOLLOW RUBBER CONTAINERS WITH THEIR ENGRAVED SURFACE : en es
  • ES168179A1 - IMPROVEMENTS IN THE MANUFACTURE OF TEETH BRUSHES : en es
  • US2337673A - Oil burner : en
  • US2337877A - Apparatus for inspecting glass : en
  • US2337787A - Marine shock absorber : en
  • FR889014A - Fully automatic hydraulic control device for machine tool feed movement : en fr
  • ES168204A1 - IMPROVEMENTS IN ELECTRICAL ACCUMULATORS : en es
  • US2337617A - Goggle : en
  • USD136925S - Design fob a coat : en
  • US2338008A - Store fixture : en
  • ES168282A1 - IMPROVED DEVICE APRA THE AUTOMATIC CHANGE OF DISCS IN THE ELECTRONICALLY ELECTRONICALLY CONTROLLED STUCK MACHINES : en es
  • ES169290A1 - PROCEDURE TO INCREASE THE ACTIVITY OF THE MEANS TO COMBAT THE INSECTS AND HARMFUL PLANTS : en es
  • US2337961A - Handbag closure device : en
  • CA417459A - Refrigerator car : en fr
  • FI19832A - Anordning vid kopplingskretsar för undertryckande av icke önskade växelspänningar : en fi
  • CH230440A - Process for the preparation of a new ester of the oxy-stilbene series. : de en
  • US2337963A - Door bracer and straightener : en
  • CA417378A - Refrigerating apparatus : en fr
  • CH230359A - Device for hanging up self-baking electrodes. : de en
  • CH230436A - Process for producing a benzenesulfonic acid amide compound. : de en
  • DK61742C - Device for Drilling Parallel Pin Holes in Teeth. : da en
  • ES161592A1 - IMPROVEMENTS INTRODUCED IN THE GUIDELINES OF THE RIDING GRANADA : en es
  • GB558281A - Improvements in or relating to lightning arresters and electrodes therefor : en
  • FR889039A - Method and device for inking the printing form of high-speed cylinder printing presses : en fr
  • CA417482A - Rubber vulcanization : en fr
  • CH230416A - Process for the production of a new condensation product. : de en
  • ES158550A3 - A WORK ORGANIZATION AND CONTROL TABLE SYSTEM THAT INCLUDES OPERATIONS OF DIFFERENT KINDS AND THEIR ELEMENTS : en es
  • CH230347A - Device for securing electrical system parts in the event of malfunction : de en
  • ES161587A3 - PROCEDURE FOR OBTAINING AN UNALTERABLE BEVERAGE, BASED ON WINE AND EGG : en es
  • FR888952A - Support device usable during the treatment of yarns of rayon or the like : en fr
  • PL32346B1 - flktiengesellschaft vormaIs Skodawerke in Pilsen, Prague Stand for supporting objects of the same species, but different shapes and sizes : en pl