• US2257213A - Closure for high pressure vessels : en
  • US2257287A - Grate bar : en
  • CH216890A - Nodal connection for frame-like structures. : de en
  • US2257126A - Propeller : en
  • US2257138A - Flushing apparatus : en
  • CA399579A - Braking attachment : en fr
  • CA399608A - Electric valve circuit : en fr
  • PL29983B1 - Jan Fabianowski, Warsaw / A box with a device for extruding plastic mass : en pl
  • US2257336A - Knife for paper converting machines : en
  • DE711278C - Device for drying a web of paper or fabric running through a drying box : de en
  • ES147994A1 - A device for transmitting the lateral rotation of a barrel to an indicator or calculator. : en es
  • PL30072B1 - Ambi-Budd Presswerk G. m. B. H., Berlin-Johannisthal Sat, supporting the frame of the vehicle body or chassis, especially of the car : en pl
  • US2257482A - Shoe construction : en
  • US2257277A - Radio controlled recovery means for aircraft : en
  • CH216977A - Ski pole. : de en
  • CA399614A - Photographic film : en fr
  • CH217069A - Discharge tube, especially for ultra-short and decimeter waves. : de en
  • CH216946A - Paint. : de en
  • CH216883A - Power harrow. : de en
  • CH217056A - Circuit switch. : en fr
  • US2257444A - Photographic film transporter : en
  • PL30005B1 - 21 g, 13/14 Telefunken Gesellschaft ftir drahtlose Telegraphie m. B. H ;, Berlin Electron tube : en pl
  • CA399630A - Radio tube grid : en fr
  • CH217007A - Toggle winding and time-setting mechanism. : en fr
  • DE711513C - Polschuhkaefig for small electrical machines, especially alternators for bicycles and. like : de en
  • DE711637C - Rolling grille made of ªÈ-shaped cross bars : de en
  • ES147942A1 - Improvements introduced in the manufacture of reinforced concrete sleepers. : en es
  • CA399622A - Circuit regulator control equipment : en fr
  • US2257448A - Cutter : en
  • AU34040A - An improved adjustable fan rake : en
  • DE711355C - Pressure medium lifting device attached to the car body of railway vehicles : de en
  • ES146330A1 - Improvements in the manufacture of necks for personal use. : en es
  • ES147898A1 - A DEVICE TO CHECK THE ACCURACY OF PIECES MEASUREMENTS : en es
  • CH217126A - Verfahren zum Konservieren der Aromastoffe trockener, löslicher Extrakte aus gerösteten Kaffeesurrogaten. : de en fr
  • PL30055B1 - A method of producing lead titanate pigments : en pl
  • US2257210A - Glove : en
  • CH216888A - Extension ladder on the ceiling of interiors. : de en
  • ES148201A1 - PROCEDURE FOR MELAMINE PURIFICATION : en es
  • ES6303U - Removable table. (Machine-translation by Google Translate, not legally binding) : en es
  • US2257232A - Light projector : en
  • US2257494A - Shoulder-strap-retaining device : en
  • US2257508A - Cornhusking machine : en
  • CH216987A - Thread snap gauge. : de en
  • CA399695A - Electron discharge device : en fr
  • CH216885A - Process for the production of coverings consisting of wooden panels, in particular floors and coverings produced according to this process. : de en
  • DE711321C - Rack and pinion winch housing : de en
  • ES148218A3 - MACHINE FOR MANUFACTURING CAST IRON PIPES BY CENTRIFUGATION : en es
  • FR867154A - Improvements to electrical controls : en fr
  • DE711672C - Method for managing a vehicle by determining its location : de en
  • CH217034A - Combustion chamber for injection internal combustion engines. : de en
  • BE442368A - Electric heater : en fr
  • CA399620A - Cellulosic article : en fr
  • CA399629A - Double-throw switch : en fr
  • US2257447A - Refrigerant evaporator : en
  • US2257590A - Displacement meter for measuring fluids : en
  • DE711416C - Printing punch card machine : de en
  • DE711562C - Glass mirror with an airtight frame connected to it and a back wall : de en
  • ES144290A1 - Current passage conductor for vacuum, annealing and melting furnaces. : en es
  • CA399696A - Radiation pyrometer : en fr
  • CH217051A - Method for insulating winding conductors for electrical machines, transformers and apparatus. : de en
  • DE711633C - Process for making creamy soaps : de en
  • US2257704A - Sewing machine motor and lamp bracket : en
  • US2257098A - Transmission mechanism : en
  • US2257133A - Process for treatment of metals : en
  • GR9676B - FIREPLACE AFTER APPLIANCE FOR KEEPING HEAT. : el en
  • US2257162A - Production of resins from alkyleneimine with arylisocyanates : en
  • US2257384A - Catalytic process : en
  • US2257656A - Audible signabing device for use with tanks : en
  • DE711277C - Flame tube steam boiler with downstream flue gas preheater : de en
  • ES147855A1 - Procedure for the transport of engravings of all kinds, on canvas, metal or other materials, giving the impression of true hand-painted paintings. : en es
  • CH216967A - Photographic camera with a light meter coupled with adjustment elements. : de en
  • DE711564C - Lateral support strips for frameless sliding windows : de en
  • ES148175A3 - PERFECTIONS RELATED TO THERMAL INSULATION MATTERS : en es
  • GB540069A - Systems for remote indication of meter readings : en
  • US2257108A - Hydraulic driving and differential mechanism for vehicles : en
  • US2257542A - Apparatus for treating materials : en
  • US2257703A - Window construction : en
  • CH217139A - Photographic optically sensitized material provided with at least one halogen silver emulsion layer and process for the preparation thereof. : de en
  • DE711528C - Spindle bearings for machine tools : de en
  • DE711638C - Use of copper alloys for objects of high strength and elongation : de en
  • US2257483A - Tension gauge : en
  • GB539981A - Improvements in apparatus for capsuling or capping bottles : en
  • US2257456A - Sgouring device : en
  • US2257109A - Truck stabilizer : en
  • CH216904A - Window or door hinge. : de en
  • FR867111A - Manufacture and use of new condensation products : en fr
  • DE1508647U - : de en
  • US2257480A - Cutter mechanism : en
  • AU345040A - Improved method of, and tool for manufacturing embossed buttons : en
  • ES147900A1 - Perfections in the manufacture of needles for phonographic instruments. : en es
  • ES148034A1 - IMPROVEMENTS IN THE MANUFACTURING OF TRANSPORT BOTTLE WRAPPING : en es
  • FR867168A - Brake improvements : en fr
  • DK59066C - Signal receiver at Telephone systems, in which Signals are transmitted at an AC current within the Voice Frequency band. : da en
  • US2257364A - Machine tool : en
  • US2257475A - Apparatus for the manufacture of diamond cutting tools : en
  • ES147926A1 - A steering mechanism. : en es
  • ES148027A1 - AMPERIMETER FOR AUTOMOBILES : en es
  • FR867141A - Improvements to electromagnets : en fr
  • ES148114A3 - EXTENDABLE MACHINE FOR THE REPAIR OF TIRE COVERS : en es
  • ES148132A1 - IMPROVEMENTS IN THE CONSTRUCTION OF VESSELS : en es
  • FR867139A - Counter housing : en fr
  • GB540041A - Improvements in transmitting mechanism for aircraft control surfaces : en
  • ES6265U - Improvements in domino games. (Machine-translation by Google Translate, not legally binding) : en es
  • FR51173E - Welding process of joints of rails and similar metal articles : en fr
  • PL29987B1 - : en pl
  • US2257135A - Water closet construction : en
  • USD129699S - Design for a globe fob lighting fixtures : en
  • DE711340C - Device for the continuous registration of the change in the mutual phase position of two alternating voltages in a method for determining course or location : de en
  • DE711365C - Low loader wagons for the transportation of high voltage electrical switches : de en
  • DE711474C - Circuit arrangement to facilitate the precise tuning of a receiver : de en
  • ES148244A1 - APPARATUS FOR MAKING EARTH MOLDS FOR CENTRIFUGAL OR VERTICAL FUSION OF CAST PIPES : en es
  • PL30001B1 - A device for heating the delivery organs : en pl
  • US2257353A - Shear grinding mechanism : en
  • AU342340A - Improvements in or relating to automatic cutoff devices for electric jugs andother vessels for heating liquids : en
  • CH217040A - Swash plate drive for driving fuel pumps for internal combustion engines. : de en
  • DE711376C - Process for the production of lubricating oils by pressure hydrogenation of lignite or peat : de en
  • US2257428A - All-around extensible paper : en
  • CH217116A - Extensive bearing shell with flow lubrication, especially for railway axle bearings. : de en
  • US2257174A - Envelope feeder for typewriters : en
  • US2257548A - Oil burner : en
  • US2257584A - Holder for cigarettes, etc. : en
  • GB540053A - Improvements in lighting fittings having multiple light sources : en
  • US2257380A - Refractory body : en
  • USD129758S - Design for a dress : en
  • US2257624A - Process and apparatus for pneumatic separation of masses composed of particles having varied characteristics : en
  • US2257646A - Tire casing : en
  • ES147889A1 - Mechanism of drive of an internal combustion machine distribution sleeve. : en es
  • CA399735A - Organic compound : en fr
  • DE710711C - Frames for motor vehicles : de en
  • BE442426A - : en
  • CH216984A - Pneumatic valve control device. : en fr
  • DE711472C - Letter or line for letterpress printing from plastic masses : de en
  • DE711615C - Connection means for the double-T-shaped segment ends of pit support parts of flexible pit support frames : de en
  • DE711500C - Brake compensation device on cable brakes with cable guided over guide and compensation rollers, especially for motor vehicles : de en
  • USD129751S - Escutcheon plate for automobile radio sets or the like : en
  • CA399730A - Hand shield : en fr
  • DE711413C - Electron tubes : de en
  • USD129704S - Design for a shoe or similar article : en
  • US2257393A - Automatic diverting valve : en
  • DE711434C - Process for the production of quartz glass feet for electrical discharge vessels and lamps : de en
  • ES147905A1 - A procedure for obtaining a water purifying liquid for industrial uses, which meets conditions or properties of being simply a pre-purifying water and descaling coagulant. : en es
  • DE711291C - Device for printing fabrics using a film printing stencil : de en
  • US2257113A - Coating apparatus : en
  • ES148139A1 - A PROCEDURE FOR THE TORREFACTION OF COFFEE AND ITS SUBSCRIBERS, PRESCRIBING THE SUGAR : en es
  • ES6276U - Special folder (Machine-translation by Google Translate, not legally binding) : en es
  • DE711626C - Stove cover for electrically heated stoves : de en
  • DE711690C - Letter envelope : de en
  • FR867122A - Dry gas meter : en fr
  • FR867147A - Development of remote control devices for mobile devices : en fr
  • US2257562A - Intelligence transmission system : en
  • USD129701S - Design for a bolt back : en
  • DK59063C - Wire mesh with rectangular stitches. : da en
  • ES148068A1 - IMPROVEMENTS IN OR RELATED TO ELECTRICAL FILTERS : en es
  • ES6296U - Sport or bath suit. (Machine-translation by Google Translate, not legally binding) : en es
  • GB540022A - A process for the production of aromatic hydrocarbons from mixtures of paraffins and cycloparaffins : en
  • GB540072A - Means for attachment to an electric hand torch to adapt it for use for signalling purposes : en
  • ES148155A1 - AN APPARATUS THAT DRAWS AND AUTOMATICALLY CALCULATES THE PATH OF THE ORTHOGONAL PROJECTION FOLLOWED BY THE BALLOONS PROBES : en es
  • GB539983A - Improvements in and relating to the casting of metal ingots, and ingot molds for use therein : en
  • CH217045A - Sheath for cables and wires. : de en
  • CH217087A - Neutralized amplifier circuit. : de en
  • US2257679A - Circuit closer : en
  • DE711294C - Process for the continuous treatment of cellulose webs on transport substrates with baths containing alkali : de en
  • DE711699C - Compressed gas switch : de en
  • PL30064B1 - Valentin Weil, Frankfurt n. M. and Otto Metzler, Offenbach n. M. Solder for brazing light metals : en pl
  • NO63990C - : no
  • ES147981A1 - New system for manufacturing doors stamped iron sheet. : en es
  • US2257249A - Automatic change-over device : en
  • US2257235A - Knitted fabric : en
  • GB540062A - Process of manufacturing sodium cyanide : en
  • IE16188L - Frames for spectacles : en
  • ES148137A1 - A PROCEDURE FOR THE PRODUCTION OF HYDROCARBONS THROUGH THE CONVERSION OF CARBON MONOXIDE WITH HYDROGEN : en es
  • GB540007A - Improvements in and relating to sliders and sliding clasp fasteners : en
  • ES6259U - A kid's knife with new features (Machine-translation by Google Translate, not legally binding) : en es
  • DE711382C - Ribbon microphone : de en
  • ES148128A1 - METHOD OF MANUFACTURING LOSTES : en es
  • ES6279U - Legs for men, made with rubber tires chambers discarded. (Machine-translation by Google Translate, not legally binding) : en es
  • GB540050A - Improvements in or relating to manufacture of nitric acid esters : en
  • DE711522C - Gas generator with plan grate : de en
  • US2257596A - Leveler scraper : en
  • CA399648A - Cathode ray tube : en fr
  • CH217022A - Device for braking work machines, especially in the event of danger. : de en
  • ES147885A1 - PROCEDURE FOR OBTAINING DERIVATIVES OF ESTRADIOL-17-ACILO : en es
  • FR51153E - Mobile target shooting method and device : en fr
  • ES148203A3 - AUTOMATIC MACHINE TO MERCERIZE COTTON : en es
  • FR51190E - Threading lathe : en fr
  • DE711438C - Electric mixed light lamp, consisting of a high pressure discharge tube and a glow wire serving as a series resistor : de en
  • DE711664C - Process and cell for the electrolytic production of water-insoluble metal hydroxides : de en
  • DE711675C - High frequency wire radio distribution system : de en
  • ES147985A1 - A radio receiver automatically tunes to a number of stations determined in advance, by means of push buttons. : en es
  • BE442510A - : en fr
  • CH216905A - Method of making a fire lighter. : de en
  • DE711546C - Worm gear lock for saddle floor self-unloader : de en
  • USD129760S - Design for a dress : en
  • ES147910A1 - Improvements in or related to inductances. : en es
  • ES6247U - Glasses with movable lenses. (Machine-translation by Google Translate, not legally binding) : en es
  • US2257319A - Radiant energy system : en
  • US2257268A - Drinking fountain head : en
  • ES148100A1 - IMPROVEMENTS IN THE SPROCKET OR FREE WHEEL DEVICE, ESPECIALLY FOR BICYCLES, MOTORCYCLES AND OTHER SIMILAR VEHICLES : en es
  • FR867113A - Device for supplying combustion engines with gas derived from calcium carbide : en fr
  • ES6297U - Flexible wooden sole or other appropriate materials (Machine-translation by Google Translate, not legally binding) : en es
  • DE711494C - Machine for cleaning and polishing the grain of the grain : de en
  • PL30016B1 - A method of making paper dishes and an apparatus for using the method : en pl
  • US2257435A - Motor-operated valve : en
  • US2257504A - Striping device for knitting machines : en
  • CH217138A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • CA399555A - Dual wheel assembly : en fr
  • CA399558A - Tobacco pipe baffle : en fr
  • CA399744A - Check and check-selecting device : en fr
  • DE711491C - Ball and roller cages, especially for field and industrial railway bearings : de en
  • ES148050A1 - DISPLACEMENT DEVICE FOR INTERNAL CYLINDERS IN THE LAMINATORS FOR LAMINATING TUBES : en es
  • DE711241C - Form folder : de en
  • DE711436C - Electric discharge lamp or fluorescent tube with a phosphor layer consisting of cadmium tungstate : de en
  • US2257564A - Refrigeration : en
  • US2257691A - Spray nozzle : en
  • CH217151A - Process for the preparation of a B-alkyl-substituted ethylamine derivative. : de en
  • CH217081A - Method for extinguishing burning electron chips. : de en
  • US2257409A - Typewriting-calculating machine : en
  • USD129769S - Design for a textile fabeic : en
  • PL29980B1 - : en pl
  • US2257644A - Wire drawing mechanism : en
  • DE711268C - Liquid shock absorbers : de en
  • CA399615A - Photographic film : en fr
  • CA399690A - Water closet or defecator : en fr
  • US2257101A - Threadless drill pipe : en
  • US2257512A - Automatic loading and delivery mechanism for conveyers : en
  • DE711688C - Thread cutting head with swiveling die holders held in the open position under the action of springs : de en
  • CH217036A - Device on piston machines with a cylindrical rotary slide valve, lying parallel to the crankshaft in the cylinder head, to seal it against the cylinder. : de en
  • CH217103A - Underwater tank. : de en
  • CA399624A - Multi-blade disconnecting switch : en fr
  • DE711356C - Glass cover for greenhouses : de en
  • DE711451C - Process for stabilizing fuels : de en
  • CH217114A - Internal combustion engine system with a device for the fine adjustment of control elements. : de en
  • CH217143A - Diesel engine. : de en
  • CH217063A - Device for improving the voltage distribution on windings. : de en
  • US2257220A - Selecting and conveying apparatus for card indexes : en
  • DE711345C - Leonard drive for rudders of watercraft or aircraft : de en
  • ES147882A1 - A double cone crusher with intermediate sieve. : en es
  • FR867179A - Improvements in the manufacture of anti-knock gasoline and the alkylation of isobutane and olefinic hydrocarbons : en fr
  • CH217088A - Arrangement for the remote setting of devices of the wireless communication technology. : de en
  • FR51174E - Improvements to devices for measuring distances : en fr
  • ES148151A1 - A DEVICE INTENDED TO REMOVE THE METALLIC BODIES OF TEXTILE MATERIALS CARDADAS : en es
  • US2257321A - Coupling : en
  • US2257620A - Wardrobe case section closure flap : en
  • DE711240C - Excavator bucket wheel : de en
  • DE711320C - Power supply for portable power consumers : de en
  • DE711390C - Use of polymerization products of homologues of acrylic acid or of functional derivatives of these homologues for the production of wire glass : de en
  • DE711538C - Production of potassium nitrate, sodium chloride and chlorammonium from sylvinite and ammonium nitrate : de en
  • ES148189A1 - A MACHINE OF CONTINUOUS MOVEMENT GENERATOR OF FORCE APROVECHABLE : en es
  • US2257579A - Chain : en
  • CH217100A - Device for tying packaged goods with a flexible metal band. : de en
  • CA399678A - Calcium hypochlorite composition : en fr
  • US2257540A - Air conditioning system : en
  • DE711349C - Mill firing with fresh air supply inside a mill mouth directed diagonally towards the lower part of the combustion chamber : de en
  • US2257312A - Container closure and coaster : en
  • US2257592A - Directional monitoring system : en
  • PL29982B1 - Method for the production of aromatic amino alcohols : en pl
  • DE711021C - Public address system : de en
  • DE711653C - Steam power plant : de en
  • USRE21913E - Heater : en
  • US2257157A - Using catalysts : en
  • US2257377A - Freezing tray : en
  • ES147933A1 - Improvements in bib and head phones for the direction of the shot. : en es
  • US2257370A - Closable orifice device : en
  • US2257522A - Folding table : en
  • DE711466C - Carrying device for parachutes with a central lock for the risers : de en
  • DE711377C - Process for separating and recovering skin hormone : de en
  • DE711303C - Neutralization bridge circuit for frequency stabilization of modulated multistage ultrashort wave transmitters : de en
  • AU345340A - Improvements in domestic compression type refrigerators : en
  • ES148164A1 - IMPROVEMENTS IN CARBON COLLECTORS WITH THERMAL PROTECTIVE PADS THAT REDUCE THE CLAMPING EFFORTS : en es
  • ES148230A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF BUILDING BRICKS : en es
  • US2257536A - roycroft : en
  • GB539905A - Improvements in wheels for aircraft and other vehicles, and their manufacture : en
  • US2257139A - Method of making adhesive tapes : en
  • US2257630A - Motor mounting : en
  • DE711010C - Process for rolling aluminum-magnesium alloys : de en
  • ES147959A1 - GUIDE TO THE PRESSURE CYLINDERS IN THE HANDLES : en es
  • US2257198A - Method and apparatus for conversion of hydrocarbon gases : en
  • CH216915A - Collapsible camp bed. : de en
  • CH217129A - Process for the preparation of a sulphonic acid of dimethyl-2,4-diamino-5- (4'-ethoxyphenyl) -6-heptadecyl-1,3,5-triazine. : de en
  • US2257452A - Metal finishing : en
  • US2257513A - Rolling door : en
  • CH216983A - Device for testing the directional movements of guns. : de en
  • US2257260A - Airfoil : en
  • US2257569A - Composite container : en
  • USD129768S - Design foe a textile fabric : en
  • DE711483C - Device for current measurement in the shortwave area : de en
  • GB539968A - Improvements in or relating to the extraction of gelatinous materials from fibrous plants : en
  • DE707166C - Thermal return for temperature drop controller : de en
  • ES148064A1 - AN AUTOMOTIVE ELEVATOR APPARATUS : en es
  • FR51183E - : fr
  • ES147930A1 - A system of threaded union of two cylindrical bodies with insertion of balls or other bearing members that replace the thread of the screw. : en es
  • US2257517A - Filing envelope : en
  • DE711287C - Device to prevent the formation of ice on aircraft components : de en
  • ES147982A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR51177E - Steam generator : en fr
  • DE711501C - Cutting head for razors : de en
  • GB539917A - Improvements in and relating to weighing apparatus : en
  • DE711323C - Light metal chain link for tracks u. like : de en
  • ES6292U - Elastic bandage for hernias. (Machine-translation by Google Translate, not legally binding) : en es
  • FR867161A - Coating cover for flowerpots and similar items : en fr
  • ES148111A1 - ELECTRICAL CONTACT PLUG : en es
  • US2257612A - Sun visor extension : en
  • US2257441A - Self-tapping drain plug or bolt : en
  • US2257315A - Inertia device : en
  • US2257605A - Adjustable flame hardening torch : en
  • US2257662A - Refrigerator car construction : en
  • FR51158E - Improvements to gasifiers : en fr
  • ES6319U - Key device for spark plugs. (Machine-translation by Google Translate, not legally binding) : en es
  • GB539901A - Improvements in or connected with show cards or the like : en
  • ES147950A3 - Improvements in automatic installations for domestic water supply. : en es
  • FR51169E - Improvement in the temperature regulation system of electric resistance furnaces : en fr
  • FR51176E - Cane maker : en fr
  • US2257324A - Vehicle jack : en
  • US2257329A - Therapeutic apparatus : en
  • US2257528A - Plant setter : en
  • ES147946A1 - A procedure for manufacturing rubber masks to prevent the relaxation of the facial muscles and to provide cleanliness and smoothness to the skin. : en es
  • ES148084A1 - NEW CONSTRUCTION SYSTEM FOR ARMED CONCRETE BEAMS : en es
  • GB539940A - Improvements in or relating to electrical communication systems : en
  • ES148236A1 - IMPROVEMENTS IN THE PROCEDURE OF OBTAINING INDIRECT LIGHT, WITH INCREASE OF ITS POWER, APPLICABLE TO ALL KINDS OF APPLIANCES AND INSTALLATIONS FOR ELECTRICAL LIGHTING : en es
  • DE711299C - Current collector bracket for electrically operated vehicles : de en
  • DE711437C - Electric discharge lamp or fluorescent tube with a phosphor layer made of calcium tungstate : de en
  • ES147866A1 - A PROCEDURE FOR OBTAINING A CONCREATED HARD METAL ALLOY INTENDED FOR WORK TOOLS AND TOOLS : en es
  • ES6275U - Centralized multiple rotary knob on the handle of the motorcycle guide. (Machine-translation by Google Translate, not legally binding) : en es
  • FR867173A - : fr
  • ES148232A1 - AN OVEN FOR SULFUR CASTING : en es
  • US2257415A - Fishline sinker : en
  • ES147923A3 - Improvements in the manufacture of tubulars for bicycles. : en es
  • FR51199E - continuous electrode : en fr
  • ES147920A1 - PROCEDURE FOR TREATMENT OF TURN SEEDS : en es
  • ES148077A3 - HAIR WAVING APPLIANCE : en es
  • US2257309A - Brake control means : en
  • US2257518A - Scoreboard : en
  • USD129791S - Opcenheimer : en
  • US2257163A - Synthetic resin stable against dilute acids and alkalies : en
  • US2257206A - Method and apparatus for converting hydrocarbon gases to liquid : en
  • US2257429A - Process for producing all-around extensible paper : en
  • CA399680A - Calcium hypochlorite product : en fr
  • ES147935A1 - Process for the manufacture of phthalocyanines containing alkyl or araquil-sulfonic groups. : en es
  • GB539945A - Improvements relating to spark plugs : en
  • DE711686C - Trouser clamps : de en
  • PL30015B1 - : en pl
  • US2257330A - Closing device for piston rings : en
  • US2257355A - Method for attaching couplings to hose : en
  • US2257577A - Pressure sensitive instrument : en
  • DE711559C - Process for the treatment of solid inorganic and / or organic benzene-insoluble components and asphalt-containing oils : de en
  • DE711644C - Electrically powered photographic lens shutter : de en
  • CA399699A - Beverage brewing device : en fr
  • ES4836Y - Transportable oven for kitchen. : en es
  • ES6315U - A hermetic seal for all types of packaging (Machine-translation by Google Translate, not legally binding) : en es
  • ES148141A1 - IMPROVEMENTS IN THE CONSTRUCTION OF MACHINES FOR WALL CLOCKS OR DESKTOP : en es
  • DE711420C - Packing machine for cigars and cigarillos : de en
  • GB540051A - Improvements in the manufacture of heat radiators for steam or hot water : en
  • GB540063A - Improvements in the manufacture of toilet soap : en
  • IE16229L - Wired carrier signalling : en
  • ES148200A1 - IMPROVEMENTS IN THE PROCESS OF MANUFACTURING WOODEN PEWS : en es
  • US2257464A - Radius truing attachment : en
  • US2257538A - Expanded fastening device : en
  • US2257201A - Resins and process of making the same : en
  • US2257234A - Machine for rolling screw threads : en
  • US2257440A - Hardening photographic materials : en
  • DE711284C - Device for the production of permanent hair waves : de en
  • CA399664A - Television glass-metal tube manufacture : en fr
  • CH217079A - Process for the preparation of a derivative of citrazinic acid. : de en
  • PL30057B1 - Solvay plants in Poland 2 * B22ct kit00 Society with limited poreka, Warsaw Casting ladle with a lid for transfer of molten metal : en pl
  • FR867157A - Device for the temporary assembly of perforated sheets : en fr
  • DE711576C - Electromagnetically controlled shut-off valve for motor vehicle fuel lines : de en
  • DE711249C - Method of measuring non-linear crosstalk : de en
  • ES148142A1 - IMPROVEMENTS RELATED TO THE CONSTRUCTION OF VESSELS : en es
  • USRE21909E - Eyelens brace and pbotectob : en
  • ES6310U - Metal container for liquid packaging. (Machine-translation by Google Translate, not legally binding) : en es
  • FR867156A - Process for the simultaneous preparation of several reinforcements having equal tensions and its applications : en fr
  • GB540071A - Improvements in or relating to electrical signalling circuits : en
  • GB540000A - Closures for bottles and like containers : en
  • DE711275C - Scraper conveyor : de en
  • ES148186A1 - IMPROVEMENTS IN VULCANIZATION MOLDS FOR RUBBER TIRES : en es
  • US2257233A - Recording instrument : en
  • US2257633A - Spring support for upholstered : en
  • ES147966A1 - Improvements in or relating to generators of electric oscillations, amplifiers and the like. : en es
  • US2257436A - Washing apparatus : en
  • DE711329C - Process for printing cotton with esters of organic acids or their functional derivatives with insoluble, oxy group-containing dyes which contain water-solubilizing groups in the ester residue : de en
  • GB539997A - Improvements relating to boxes horizontally partitioned for supporting contents : en
  • DE711435C - Electric mercury vapor discharge tubes with a luminescent layer inside : de en
  • US2257208A - Ribbon package : en
  • US2257374A - Cold storage cabinet : en
  • US2257661A - Racing game : en
  • CA399667A - Animal carcass treating method : en fr
  • CH217020A - Process for heating the glue in glue pots on glue tables and device for carrying out the process. : de en
  • DE711383C - Antenna mast for aircraft : de en
  • ES6300U - A device or mechanism of fastening to adapt it to twins, pins and in general to how many elements can be adapted commonly to fasten two or more eyelets (Machine-translation by Google Translate, not legally binding) : en es
  • CA399642A - Hollow glass block making apparatus : en fr
  • CA399645A - Organic phosphate : en fr
  • FR867200A - Rich gas generator with water scrubber and wood fiber sponges : en fr
  • FR51151E - Compressor for hydraulic brakes and transmissions : en fr
  • GB539991A - Improvements in means for supporting, drawing and withdrawing curtains and the like : en
  • CA399626A - Electric network protector : en fr
  • ES6269U - Metallic hawthorn, (Machine-translation by Google Translate, not legally binding) : en es
  • US2257684A - Wheel structure : en
  • DE710304C - Conveyor device for trays or the like. : de en
  • GB540038A - Improvements in electric ranges : en
  • USD129788S - Design for a dress : en
  • DE711248C - Seamless bottle for compressed gases : de en
  • ES148143A1 - IMPROVEMENTS IN CARBON BODIES WITH METALLIC ARMOR EMPTY AROUND : en es
  • ES148182A1 - NEW CHEMICAL PROCEDURE FOR THE TREATMENT OF PLANT IN GENERAL FOR THE OBTAINING OF TEXTILE FIBERS : en es
  • AU381240A - Improvements in or relating to electric valve apparatus for controlling the transfer of electric power and circuits therefor : en
  • DE711251C - Receiving relay for remote control systems : de en
  • CA399598A - Fluorspar recovery : en fr
  • CH216916A - Spring cushion. : de en
  • GB540059A - Improvements in or relating to fabrics : en
  • CA399575A - Water mop : en fr
  • DE711388C - Closure for chimney cleaning openings : de en
  • FR867105A - Automatic cleaning coffee maker : en fr
  • DE711532C - Book fold burning machine : de en
  • CH217026A - Process for the production of composite cast plain bearings from flexible sheet metal clad with plain bearing metal. : de en
  • ES147993A1 - An aiming device for cannons against aerial targets. : en es
  • ES6264U - Ceramic pieces for the filling of forged supports in the buildings. (Machine-translation by Google Translate, not legally binding) : en es
  • FR51167E - Application of flexible bead wires to the production of foldable envelopes for pneumatic tires : en fr
  • CA399737A - Yarn package sorting apparatus : en fr
  • CH217133A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • US2257087A - Perforating machine : en
  • GB539935A - Improvements in or relating to pressure regulating devices for fluid supply systems : en
  • CH216969A - Facility for conveying stereoscopic image impressions. : de en
  • FR867144A - Wooden cover and closures for ammunition transport crates : en fr
  • US2257215A - Split flap : en
  • DE711587C - Stand for workbenches and machines : de en
  • DE711315C - Process for the production of knock-resistant, low-boiling hydrocarbon oils : de en
  • DE711574C - Security device against theft of vehicles, in particular motor vehicles : de en
  • GB539933A - Improvements in or relating to respirators : en
  • FR867188A - Knitting Machine Improvements : en fr
  • DE711311C - Switching arrangement for alternating current interruption devices, in particular for periodic switching for conversion purposes : de en
  • DE711396C - Device for controlling the grave wheel in draena excavators : de en
  • DE711477C - DF receiving system : de en
  • DE711540C - Process for the preparation of monoarylides of aromatic dicarboxylic acid halides : de en
  • DE711643C - Photographic camera with coupled rangefinder : de en
  • ES148181A1 - IMPROVEMENTS INTRODUCED IN THE MEANS OF COOKING PLANTS FOR THE OBTAINING OF TEXTILE FIBERS : en es
  • GB539974A - Improvements in or relating to automatic firearms : en
  • US2257216A - Water-insoluble azo dyestuffs : en
  • DE711288C - Device for sterilizing and sterile filling of vessels : de en
  • DE711545C - Heating device for refrigerators : de en
  • FR867118A - Device intended to absorb sound at the entrance to cabins or isolated rooms : en fr
  • FR867181A - Soap Making Improvements : en fr
  • ES148187A1 - PROCEDURE TO AVOID THE DIFFERENCE OF THE DRIVERS AND LIGHTING THE INVALID ZONE AT THE CROSSING OF THE MECHANICAL TRACTION VEHICLES : en es
  • ES6281U - Practical book covers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES6254U - Device for insulating pipes for electrical conductors. (Machine-translation by Google Translate, not legally binding) : en es
  • GR9672B - COFFEE SUBSTITUTE. : el en
  • CA399602A - Winch mechanism : en fr
  • CH217049A - Method of insulating electrical conductors. : de en
  • ES148076A3 - A PROCEDURE FOR THE MANUFACTURE OF FOOTWEAR WITH RUBBER SOLE : en es
  • ES148177A1 - A PROCEDURE FOR THE CONSTRUCTION OF AIRCRAFT FUSELAGES : en es
  • CA399563A - Dish washing and drying apparatus : en fr
  • CH217104A - Belt tensioning device for mill elevators. : de en
  • CH217128A - Process for the preparation of a sulfonic acid of trimethyl-2,4-diamino-5-phenyl-6-heptadecyl-1,3,5-triazine. : de en
  • CA399718A - Ferro-titanium alloy : en fr
  • US2257587A - Brake arrangement : en
  • US2257285A - Apparatus and method for tuning : en
  • US2257410A - Process and apparatus for continuously manufacturing armored construction boards : en
  • US2257675A - Plunger screw-out chuck : en
  • US2257431A - Liquid fuel burner base : en
  • US2257432A - Means for ornamenting elongated objects : en
  • CH216931A - Non-slip rubber sole. : en fr
  • CA399686A - Particle separating apparatus : en fr
  • PL29985B1 - Method for leaching phenolic leachate : en pl
  • PL30007B1 - Device for filling with mineral in loading tanks for extraction vessels, preventing crushing of the mineral : en pl
  • US2257204A - Pressure reducing and regulating valve : en
  • US2257488A - Grate actuating mechanism : en
  • USD129717S - Design for a plastic shoe heel : en
  • GB539909A - Improvements in or relating to centrifugal pumps : en
  • GB539924A - Improvements in and relating to spark arresters : en
  • GB540021A - Improvements in ironing presses : en
  • DE711595C - Low-capacity concentric telecommunications cable, especially antenna feeder : de en
  • DE711253C - Receiving relay for remote control systems : de en
  • CA399590A - Door latch : en fr
  • US2257257A - Method of and gauge for adjusting automatic looms : en
  • CH216997A - Electrolytic meter, in particular for monitoring vehicle batteries. : de en
  • DE711635C - Process for stabilizing solutions of the circulatory hormone kallikrein from pancreas : de en
  • CA399669A - Accounting machine : en fr
  • ES6282U - Stove for small fuels. (Machine-translation by Google Translate, not legally binding) : en es
  • CH216903A - Process for the production of vacuum-tight soldered connections between parts made of ceramic material and metal. : de en
  • CA399732A - Organic compound manufacture : en fr
  • US2257271A - Perforating gun with serial firing means : en
  • CA399704A - Vehicle air conditioning system : en fr
  • ES6316U - One piece cardboard box. (Machine-translation by Google Translate, not legally binding) : en es
  • FR51192E - Method and device for the separation of solid bodies of different specific weights, within a suspending agent : en fr
  • CA399671A - Cross-adding accounting machine : en fr
  • CA399634A - Lightning arrester block : en fr
  • DE711642C - Manufacture of piston rings : de en
  • CH216897A - Connection piece for water heater and method of its manufacture. : de en
  • US2257404A - Clock rewinding means : en
  • USD129777S - Design fob a ring or the like : en
  • US2257144A - Spark plug cleaner : en
  • DE710388C - Switching arrangement for the protection of converters with discharge paths : de en
  • DE711701C - Process for improving the filtration of viscose : de en
  • CA399731A - Separating apparatus for paper stock : en fr
  • CH217043A - Device for the operation of motors in reverse drives. : de en
  • CH217054A - Very high voltage switch. : en fr
  • AU113899B2 - Improvements in or relating to rotary power transmitters employing a working liquids : en
  • US2257510A - Device for observing the area in the rear of vehicles : en
  • USD129726S - Design for a fluorescent lamp fixture : en
  • ES148152A1 - IMPROVEMENTS IN THE ASSEMBLY OF PLATES FOR ELECTRICAL ACCUMULATORS : en es
  • US2257195A - Internal gear finishing machine : en
  • US2257543A - Vehicle wheel attachment : en
  • USD129705S - Design for a shoe or similar article : en
  • USD129789S - Design for a dress ensemble : en
  • DE711489C - Electric vibration transducers, in particular pickups : de en
  • DE711706C - Roll film camera : de en
  • US2257682A - Box : en
  • US2257645A - Wire holding apparatus : en
  • US2257485A - Air conditioning system : en
  • US2257553A - Ribbon reverse mechanism : en
  • US2257222A - Process for the manufacture of aritficial sausage skins : en
  • US2257722A - Heavy duty brake : en
  • US2257323A - Laundry method and device : en
  • US2257551A - Method and means of producing motion pictures : en
  • USD129764S - Design for a housing for a telescriber : en
  • US2257721A - Gas water heater : en
  • ES148149A1 - PROCEDURE FOR THE MANUFACTURE OF AGGLOMERATED CARBONS : en es
  • FR51168E - sighting, control and recording equipment for aerial bombardment training and its components : en fr
  • GB539995A - Improvements in and relating to weaving machinery : en
  • CH216978A - Device for automatically making a vehicle travel predetermined routes. : en fr
  • GB539946A - Improvements in or relating to couplings for the transmission of power : en
  • GB539979A - Improvements in radio receiving sets : en
  • CH217031A - Running disc with blades that can be adjusted at standstill for rotating machines with axial flow. : de en
  • ES148107A1 - A NEW PROCEDURE FOR STABILIZATION OF INSECTICIDES EMULSIONS BASED ON OILS : en es
  • CH216930A - Bad weather protective boots. : de en
  • CH217082A - Self-seller for gas, electricity or the like for the operation of various coins. : de en
  • PL30027B1 - : en pl
  • US2257124A - Photograph corrector scale : en
  • ES148081A1 - A MACHINE FOR DISINTEGRATING TIFACEAS AND OTHER HERBACEOUS PLANTS, PALUSTRIAN OR NON-PALUSTRIAN, IN A NATURAL DRY, GREEN OR SEMI-GREEN STATE, AS WELL AS FOR THE SIMULTANEOUS CARDING OF THE OBTAINED FIBERS : en es
  • PL30046B1 - : en pl
  • GB540057A - Woodworking machines : en
  • CA399736A - Circular loom reed : en fr
  • ES148233A1 - PROCEDURE FOR OBTAINING INDUSTRIAL MAGNESIUM OXIDE, STARTING FROM POOR MINERALS IN MAGNESIA : en es
  • DE711273C - Roller bearings for pressure rollers on lines and drafting systems : de en
  • DE711415C - Electric incandescent lamps with coiled filament for sound film purposes : de en
  • GB539911A - Improvements in or relating to door closing devices : en
  • ES147917A1 - A new machine system for printing and printing. : en es
  • CH217147A - Process for the preparation of p-nitrobenzenesulfinic acid-2-aminopyridide. : de en
  • ES147925A1 - An improvement introduced in the rubber coated cylinders of the stretching mechanisms for the preparation and spinning of textile fibers, benches, spinning looms and the like. : en es
  • CH217030A - Suspension crane system. : de en
  • ES148188A1 - IMPROVEMENTS IN CUTTING MACHINES VULCANIZED RUBBER SHEETS : en es
  • US2257372A - Two-cycle diesel engine : en
  • US2257677A - Printing telegraph system : en
  • AU144402B2 - Improvements in plate-straining mechanism for use in printing machines : en
  • CA399603A - Hair device : en fr
  • DE711519C - Tilting vibration generator : de en
  • DE711592C - Signal receiver for telephone systems : de en
  • ES147984A1 - A variable capacitor with sliding electrodes. : en es
  • DE711366C - Contact wire firmly rolled or drawn from light metal and iron : de en
  • DE711529C - Method for achieving well-welded butt welds : de en
  • FR867134A - Manufacture of a new complete feed : en fr
  • CA399576A - Camera : en fr
  • CH216945A - Process for the preparation of 2-methyl-4-ethoxymethyl-6-oxy-pyridine-5-carboxylic acid ethyl ester. : de en
  • CH217071A - Variometer. : de en
  • ES147877A3 - Time fuse for artillery with clockwork mechanism. : en es
  • DE711674C - Office switch frame for wire radio : de en
  • ES148126A3 - A PROCEDURE TO DISASSEMBLE AND BENEFIT DOLLICS (SOY BEANS) : en es
  • CA399659A - Gear grinding machine : en fr
  • CH217090A - Device for transmitter and receiver consisting of shortwave tube and socket. : de en
  • ES147869A1 - A device for management or calculation devices. : en es
  • US2257527A - Plant setter and corn and bean planter combination : en
  • ES147880A3 - Improvements in valveless lubricating oil pumps. : en es
  • US2257708A - Method of working and heat treating cu-be alloys : en
  • US2257505A - Corncob holder : en
  • AU126041A - Improvements in or relating to circuit breakers : en
  • USD129757S - Design for a cigarette holder : en
  • US2257183A - Wetting agent useful for alkaline mercerizing solutions : en
  • US2257608A - Electrical connection : en
  • USD129783S - Design fob a dress : en
  • US2257125A - Slub catcher : en
  • US2257310A - Brake and sanding control means : en
  • ES148074A1 - PROCEDURE FOR THE APPLICATION OF ESTEARIC ACIDS FROM OILS TO THE MANUFACTURE OF THE MATS OF THE MATS : en es
  • FR867152A - Mechanical sweeper : en fr
  • US2257478A - Air conditioning system : en
  • ES6234U - Rubbery and grooved cover applicable to the outer surface of tubular tubes, bicycles, motorcycles and related vehicles (Machine-translation by Google Translate, not legally binding) : en es
  • ES148205A3 - A HYDRAULIC CAT : en es
  • US2257716A - Method of bleaching fibers of vegetable origin : en
  • US2257680A - Method of preventing interior frosting of multiglazed units : en
  • US2257118A - Abrading apparatus : en
  • USD129715S - Design for a blotter unit : en
  • US2257639A - Car cooling : en
  • US2257158A - Synchronous motor circuit : en
  • ES6236U - A removable wooden box (Machine-translation by Google Translate, not legally binding) : en es
  • DE711512C - Cam switch drum, through whose cams the switching devices suddenly moving energy storage devices are charged and discharged again with each switching process : de en
  • US2257281A - Coating composition : en
  • USD129714S - Combination lamp and attaching bracket : en
  • USD129776S - Design for a dress : en
  • PL30036B1 - "Huta Pokój" Slaskie Zaklady Górniczo-Hutnicze 'Spółka Akcyjna, Katowice Alloy steel : en pl
  • DE711370C - Hand-operated toggle locking device for mold carriers of injection and compression molding machines : de en
  • PL29997B1 - Device for supplying cooling air to the engine located at the rear, especially in vehicles with a streamlined shape : en pl
  • CA399679A - Calcium hypochlorite product : en fr
  • US2257706A - Horn switch : en
  • US2257153A - Trussless roof : en
  • DE711242C - Process for the production of bleaching agents for dough, fats and the like like : de en
  • FR51160E - Device for supplying engines with gaseous products : en fr
  • DE711556C - Arrangement to improve the setting in compensation measuring devices with automatic adjustment : de en
  • ES147983A1 - Improvements introduced in the manufacture of spark plugs. : en es
  • GB540044A - Improvements in or relating to the preparation of alkaline earth metal carbonates inthe form of relatively fine slow settling particles : en
  • FR867145A - Improvements in the manufacture of nitric esters : en fr
  • GB540073A - Improvements in or relating to metal drills : en
  • DE711507C - Weft feeder : de en
  • ES147968A1 - Improvements in or relating to radio transmitters to aid navigation. : en es
  • ES6262U - A double mold to make two soles of individual gums (Machine-translation by Google Translate, not legally binding) : en es
  • GB539904A - An improved method and apparatus for estimating electric current in conductors : en
  • US2257264A - Coaster frame : en
  • US2257495A - Automobile buffer : en
  • USD129787S - Design for a dress : en
  • DE711600C - Variable resistor, especially potentiometer : de en
  • ES147915A1 - Manufacturing process of a synthetic fuel. : en es
  • ES147970A1 - Improvements in or relative to radio antenna systems. : en es
  • FR867126A - Development of ultra-fast reclosing devices for circuit breakers : en fr
  • FR867106A - Improvements made to the separation of condensation water and solid impurities contained in the pipes where saturated steam circulates : en fr
  • GB539900A - Improvements in or relating to pipe or rod couplings : en
  • GB540058A - Improvements in or relating to holders for refuse containers : en
  • US2257290A - Organic sulphur compound and composition thereof : en
  • US2257492A - Glove with seamless crotches : en
  • USD129794S - Design for a dress : en
  • ES6284U - Pants with elastic adjustable waistband (Machine-translation by Google Translate, not legally binding) : en es
  • GB539994A - Improvements in or relating to apparatus for thread-marking lays of cloth : en
  • FR867132A - New product constituting a fuel : en fr
  • US2257457A - Production of aliphatic hydrocarbons : en
  • US2257523A - Well control device : en
  • US2257705A - Suction cleaner hose and coupling : en
  • US2257636A - World war game : en
  • DE711304C - Superhet receiver with automatic shrinkage control and automatic sharp adjustment : de en
  • US2257253A - Screw threading machine : en
  • US2257530A - Tail gate mounting means : en
  • DE711252C - Receiving relay for remote control systems : de en
  • DE1508877U - VEHICLE WITH COMPRESSED AIR DRIVE : de en
  • ES148134A1 - DRIVING DEVICE FOR BANKS OF EMBUTITION (PIPE STRETCHING) OF TUBES : en es
  • DE711579C - Frame for motorcycles : de en
  • DE711654C - Electric circuit breaker with arc extinguishing by gases and vapors generated by the arc itself : de en
  • DE711344C - Generator metadyne to generate a constant and a variable voltage : de en
  • US2257539A - Pump : en
  • ES147919A1 - Mechanical procedure for the treatment and subsequent use of marine algae in the manufacture of paper. : en es
  • ES6241U - Illuminated bottle, intended mainly for advertising. (Machine-translation by Google Translate, not legally binding) : en es
  • USD129713S - Combined stud button and picture frame or similar article : en
  • ES6317U - Top or head perfected for the ignition distributor of the explosion engines. (Machine-translation by Google Translate, not legally binding) : en es
  • US2257298A - Kite and method of forming the same : en
  • US2257449A - Protective system for electric valve apparatus : en
  • FR867140A - Side tube for gas meter housing : en fr
  • CH217037A - Rocker arm control on combustion engines with two intake and two exhaust valves per cylinder. : de en
  • DE711467C - Collective closure for several fastening connections on aviation and parachute equipment : de en
  • ES147972A1 - A process for obtaining an electrolyte intended for accumulators. : en es
  • ES148228A1 - PROCEDURE FOR THE OBTAINING OF A LUBRICATING GREASE, OF AN ADHERENT NATURE, OR OF THEIR CORRESPONDING BASE SOAP : en es
  • DE711506C - Equipment for the simultaneous production of a large number of long concrete bodies with prestressed reinforcement : de en
  • ES6235U - New container (Machine-translation by Google Translate, not legally binding) : en es
  • US2257695A - Worm press for the manufacture of alimentary pastes : en
  • US2257623A - Portable hammer : en
  • DE711475C - Amplifier stage with two-circuit band filter and adjustable bandwidth : de en
  • US2257105A - Preparation of relief printing sheets adapted for use in hectographic reproduction of photographs : en
  • US2257205A - Carpet washing machine : en
  • US2257463A - Candy wrapping machine : en
  • DE711453C - Method and device for manufacturing explosive cartridges : de en
  • US2257095A - Variable capacity pump for governing apparatus : en
  • US2257103A - Flexible device : en
  • US2257619A - Crank pin grinder : en
  • US2257673A - Reproducing machine : en
  • CA399567A - Air circulating fan : en fr
  • GB539938A - Manufacture of 17-vinyl-testosterone or enol derivatives thereof : en
  • ES147876A1 - Devices for graduation by hand of fuze to artillery times with clockwork mechanism. : en es
  • FR867199A - Automatic and rational air addition device for carburetion in gasoline, gas oil, alcohol and other fuels engines or all similar applications and in particular for gasifier engines : en fr
  • US2257348A - Switch : en
  • US2257654A - Stop motion : en
  • DE711258C - Fat melting pan : de en
  • DE711648C - Switching device : de en
  • PL30071B3 - A method of producing anti-nibble oxidation layers on light metals and light metal alloys by anodic oxidation in alcohol solutions of acids or acid salts : en pl
  • US2257382A - Yarn delivery arrangement for creels : en
  • GB539932A - Process for the preparation of ammonium nitrate and installation for carrying out this process : en
  • US2257594A - Direct reading radio goniometer : en
  • ES6268U - New beach shoe. (Machine-translation by Google Translate, not legally binding) : en es
  • ES6299U - Furniture - portable bar. (Machine-translation by Google Translate, not legally binding) : en es
  • GB539926A - Improvements in and relating to rings for spinning and twisting frames : en
  • GB540042A - Improvements in or relating to refrigerating apparatus : en
  • GB540033A - Improvements in or relating to telegraph apparatus : en
  • FR867170A - Improvements to the polarization of light : en fr
  • DE711623C - Process for cleaning the mercury circulating in alkali chloride electrolysis using the amalgam process : de en
  • US2257328A - Lubricant : en
  • DE711432C - Surface capacitor : de en
  • ES148116A1 - IMPROVEMENTS IN THE MANUFACTURE OF BOOTS AND ANALOGUE CONTAINERS : en es
  • DE711384C - Process for the production of azo dyes : de en
  • US2257343A - Manufacture of shoes : en
  • DE711354C - Toilet roll holder with a U-shaped roll handle that is open on one side : de en
  • US2257314A - Scraper : en
  • CA399727A - Motor control system : en fr
  • DE711367C - Telegraph system with dialer operation : de en
  • DE711521C - Device for electrical spot welding : de en
  • ES148044A1 - A SYSTEM OF CONSTRUCTION OF FLOORS WITH CERAMIC ELEMENTS AND CONCRETE WITHOUT FORMING : en es
  • US2257120A - Well pipe support : en
  • US2257467A - Cleaning composition : en
  • CA399569A - Speed control for motor vehicles : en fr
  • US2257307A - Quick take-up mechanism : en
  • CH216920A - Urinal facility. : de en
  • CH217085A - Microphone. : de en
  • DE711645C - United election and pressure compensation device : de en
  • ES148086A3 - A LAMINATED JOIST, WITH THE CORRESPONDING ARMOR, AND ITS APPLICATIONS FOR THE CONSTRUCTION OF MINE GALLERIES : en es
  • US2257238A - Dispensing apparatus : en
  • USD129771S - Design for a dress : en
  • CA399709A - Steam superheater : en fr
  • CA399714A - Incinerator : en fr
  • CA399717A - Ferro-titanium alloy : en fr
  • US2257171A - Low pressure booster regulator : en
  • SE102677C1 - : en
  • CH216925A - Shuttle exchange device on looms. : de en
  • DE711640C - Device for measuring the moisture content of materials : de en
  • CH216886A - Wire tensioner. : de en
  • PL30003B1 - Josef Muller, Opladen An apparatus for making foam for non-fire purposes : en pl
  • US2257239A - Process for improving fibrous materials : en
  • US2257552A - Apparatus and method for cleaning and separating leaf tobacco : en
  • US2257332A - Knitting machine : en
  • CH216924A - Spindle for spinning and twisting machines. : de en
  • CA399581A - Foundation garment : en fr
  • CH216985A - Mechanical time fuse with clockwork movement. : en fr
  • DE711255C - Installation on electrical fall stirrup regulators : de en
  • DE711314C - Method and device for space heating using radiators of a hot water or steam central heating system : de en
  • DE711601C - Electromagnetic tuning fork self-interrupter with working contact in the excitation circuit, in particular for generating interrupted direct current or alternating current : de en
  • DE711684C - Boost filter : de en
  • ES143987A3 - Improvements in the machines for making mica cardboard. : en es
  • US2257610A - Motor control and brake mechanism : en
  • CH217078A - Mobile hospital bed. : de en
  • AU345240A - Improvements in and connected with pipes andother articles having cementitious coatings : en
  • US2257317A - Line connector : en
  • AU113894B2 - Improvements in or relating to apparatus for filling cans and other containers : en
  • CH216963A - Ribbon reel drive for writing office machines. : de en
  • DE711496C - Pressure setting device for manually adjustable pressure medium switching devices of gear change transmissions of motor vehicles : de en
  • ES148147A1 - IMPROVEMENTS IN ELECTRICAL WELDING EQUIPMENT : en es
  • CH216956A - Book-shaped device for receiving and placing exchangeable documents, advertisements, printed matter and the like. : de en
  • US2257666A - X-member : en
  • US2257699A - Luminescent material : en
  • US2257102A - Guticle shield : en
  • US2257685A - Oscillation generator : en
  • PL30069B1 - : en pl
  • US2257369A - Catheter and drainage tube : en
  • GB539967A - Improvements in and connected with pocket cigarette cases : en
  • DE711327C - Process for producing real colors on animal fibers or fiber blends containing animal fibers : de en
  • DE711322C - Device for switching off the overrun force on trailer brakes : de en
  • DE711471C - Process for the preparation of polycyclic ketones with angular methyl group "diene synthesis" : de en
  • ES6312U - Electro-centrifugal pump for central heating installations by hot water (Machine-translation by Google Translate, not legally binding) : en es
  • CH216893A - Smoke pipe jacket. : de en
  • CH217105A - Distribution device in grain silo. : de en
  • PL30059B1 - Agent for deoxidizing a steel bath : en pl
  • US2257308A - Brake control means : en
  • US2257557A - Steering knuckle support arm : en
  • CH216959A - Organization folder with compartments. : de en
  • CH217140A - Device for projecting images with optical compensation. : de en
  • CH217134A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • DE711456C - Arrangement for the automatic control of signaling devices, especially for overhead warning systems : de en
  • US2257412A - Dispensing device : en
  • DE711462C - Process for the production of artificial leather : de en
  • ES147945A1 - A Spark plug with sparking distance for combustion engines. : en es
  • DE711488C - Process for the production of a disinfectant : de en
  • US2257294A - Press with corner-guided platen : en
  • US2257526A - Trailer hitch for towing tractors : en
  • US2257638A - Heating : en
  • DE711307C - Extinguishing chamber switch : de en
  • DE711419C - Electrical security system for burglary and fire alarms with light or heat sensitive receivers and adjustable reflectors for variable beam control : de en
  • DE711497C - Brake monitoring device for motor vehicles : de en
  • ES148174A1 - A PROJECTOR OF REFLECTIVE SHEETS : en es
  • ES6249U - Stiff removable element for the tips or corners of the soft collars. (Machine-translation by Google Translate, not legally binding) : en es
  • ES6294U - Crossword puzzle game. (Machine-translation by Google Translate, not legally binding) : en es
  • GB539947A - Hat making apparatus : en
  • US2257503A - Turning tool : en
  • USD129719S - Design for a shoe or similar article : en
  • DE711478C - Bearing receiver for minimum bearing : de en
  • ES148153A1 - A PROCEDURE TO MANUFACTURE HOLLOW FIGURES : en es
  • AU314440A - Improvements in resonant, cavity electron discharge devices : en
  • CA399697A - Igniting electrode : en fr
  • CH217142A - Puncturing device for switching and control elements. : de en
  • AU113900B2 - Improvements in or relating to circuit breakers : en
  • CA399606A - Spark plug : en fr
  • GB540019A - Improvements in or relating to cast hollow poppet valves : en
  • US2257152A - Building covering : en
  • USD129749S - Design for an inner seal for bottles : en
  • USD129762S - Design for a housing for a telescriber : en
  • CA399694A - Electron discharge device : en fr
  • DE711440C - Lubricants and lubricants : de en
  • US2257116A - Means for and method of duplicating : en
  • US2257322A - Sifter : en
  • USD129755S - Design fob a dress : en
  • CA399562A - Wrapping machine : en fr
  • US2257647A - Tire casing : en
  • ES148096A1 - A PERFECTED SEAT PLATE FOR DIESEL ENGINES : en es
  • FR51152E - Signaling and interlocking system for controlling rail traffic : en fr
  • FR51187E - Higher hydrocarbon copolymers : en fr
  • CH216952A - Process for the aftertreatment of oxide layers on aluminum and its alloys. : de en
  • US2257289A - Control valve : en
  • US2257701A - Derivatives of cyclopentano-phenanthrene and process for the manufacture of same : en
  • CH216929A - Pants holder for cyclists and pedestrians. : de en
  • CH217117A - Arrangement for stretching an articulated undercarriage on rail vehicles. : de en
  • DE711450C - Sampler : de en
  • DE711508C - Device for the extraction of starch from the waste of potato peeling machines : de en
  • ES148004A3 - IMPROVEMENTS IN THE MANUFACTURE OF GLOVES : en es
  • DE711510C - Blast furnace heater (Cowper system) : de en
  • ES148003A3 - AIMING APPARATUS TO ESTABLISH THE HEIGHT OR LEVEL OF A TRACK : en es
  • DE711243C - Process for the preparation of esters of tocopherols : de en
  • DE711681C - Steam generating plant : de en
  • ES148220A1 - A NEW STEP AND CONTENTION VALVE SYSTEM FOR LOW PRESSURE GAS AND AIR : en es
  • CH217148A - Process for preparing a cyclic sulfonic acid amide compound. : de en
  • PL30045B1 - The way to synchronize television devices, especially synchronization using pauses : en pl
  • DE711561C - Chain drive device for the thread guide rails of flat weft knitting machines : de en
  • GB540037A - Improvements relating to textile looms : en
  • US2257293A - Manufacture of hydrocarbons : en
  • US2257339A - Rotary brush : en
  • US2257347A - Machine for filling forms with biscuit material : en
  • DE711392C - Process for the extraction of zinc from zinc-containing alkalis using electrolytically produced zinc amalgam : de en
  • DK59080C - Shaft cover at Emergency Stairs to Air Protection Rooms. : da en
  • PL30043B1 - Herbert Goy, Berlin ^ Ti Passage connection between coupled vehicles, especially the bellows for vehicles on rails : en pl
  • USD129722S - Design for a lamp shade : en
  • ES147861A1 - Improvements in the manufacture of galvanic dry cells. : en es
  • ES148087A3 - A POINT FOR MINES : en es
  • ES6308U - Sole. (Machine-translation by Google Translate, not legally binding) : en es
  • FR867189A - Improvements in the treatment of steroids having a double bond in a position adjacent to the etherified oxhydril group at position -7, for the removal of acid groups from said position, and in the production of double unsaturated steroids and provitamins : en fr
  • DE711473C - Modulation circuit : de en
  • CH217135A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • US2257193A - Alkylation process using tetraphosphoric acid : en
  • DK59071C - Frame for self-binding Mowers. : da en
  • ES147998A1 - A DRIVING DEVICE FOR PERCUSSION DEVICES, SUCH AS HAMMERS, RIVETING MACHINES, DRILLING DRILLS, HAMMERS AND THE LIKE, IN WHICH THE PERCUSSOR IS MOVED BY THE CENTRIFUGAL FORCE OF ECCENTRIC MASSES ROTATING ON ITSELF : en es
  • ES148071A3 - A PROCEDURE FOR REGENERATING MACHINE TAPES : en es
  • FR51178E - Improved electric discharge device and method of operating it : en fr
  • FR867142A - Improvements to electromagnets used as control elements : en fr
  • DE711346C - Device for modulating light rays : de en
  • CH216968A - Viewfinder combined with a range finder and a light meter on a recording camera. : de en
  • DE711341C - Switching arrangement : de en
  • DE711393C - Registration spring : de en
  • ES6250U - Construction material, in particular for the execution of roofs, watertight terraces. (Machine-translation by Google Translate, not legally binding) : en es
  • FR51181E - : fr
  • DE711286C - Process for the physical development, strengthening and toning of photographic layers : de en
  • DE711348C - Process for the cleavage or pressure hydrogenation of hydrogen-rich hydrocarbon oils : de en
  • ES148057A3 - A METHOD OF MAKING COMPOSITE ARTICLES FROM LAMINATED GLASS : en es
  • FR51165E - Threading device for shuttles with automatic bobbin change : en fr
  • USD129710S - Bridqe for an ophthalmic mounting : en
  • USRE21911E - Process for converting hydro : en
  • DE711375C - Lever and bow mechanism for letter files : de en
  • ES148016A1 - A MACHINE FOR CUTTING PAPER STRIPS : en es
  • GB539941A - Improvements in and relating to the manufacture of rennet : en
  • DE711269C - Brake control for motor vehicles, especially agricultural motor tractors : de en
  • FR51182E - Television receiver systems : en fr
  • ES147922A1 - A process for the manufacture of lime molds that absorb carbonic acid. : en es
  • ES148129A1 - A MACHINE FOR THE CONSTRUCTION OF ALL KINDS OF BEE NEST COILS AND SIMILAR, FOR THE RADIOTELEPHONY AND TELEGRAPH INDUSTRY : en es
  • GB539910A - Improvements relating to degreasing plants : en
  • DE711333C - Process for the refinement of carbon print extracts : de en
  • ES143612A1 - Improvements in the tires. : en es
  • ES147928A1 - A system for coating the take-up, extended and inking cylinders of typographic machines. : en es
  • USD129752S - Design fob a combination radiator, hood and fenders for vehicles : en
  • GB540077A - Improvements relating to apparatus for the measurement of electrical resistance : en
  • GB539897A - Improvements in or relating to electron discharge devices : en
  • ES6286U - Letter about. (Machine-translation by Google Translate, not legally binding) : en es
  • GB539954A - Improvements in or relating to apparatus for measuring ultra-high frequencies : en
  • GB540079A - Improvements in or relating to appliances for musketry and like training : en
  • DE711246C - Line measuring device of a machine for punching register strips for die setting and line casting machines : de en
  • CH217000A - Slide rule frame runner. : de en
  • CH217112A - Bag with associated device for detachable attachment thereof to vehicles, in particular to a bicycle. : de en
  • GB539893A - Improvements in the preparation of water-soluble derivatives of 2-sulfanilylamidopyridine : en
  • GB539903A - Apparatus for measuring impedance : en
  • USD129790S - Design for a dress : en
  • US2257132A - Machine for operating upon work : en
  • US2257556A - Fender : en
  • US2257660A - Pumping system : en
  • ES148202A3 - CENTRIFUGAL SPRAYER FOR LIQUIDS : en es
  • ES148231A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF BUILDING BRICKS : en es
  • CH217028A - Lockable coupling part. : de en
  • CH217077A - Device for fixing a dental straightening arch. : en fr
  • CH217011A - Waterproof box. : en fr
  • CH217052A - Electric switch with a single actuator. : de en
  • GB540015A - High powered electron discharge devices : en
  • DE711301C - Car speakers : de en
  • DE711570C - Dedusting device for threshing machines : de en
  • ES6318U - A spark plug wrench (Machine-translation by Google Translate, not legally binding) : en es
  • GB540004A - Production of aliphatic dicarboxylic acids : en
  • US2257631A - Internal combustion engine : en
  • CH216962A - Feeder device of a typewriter. : en fr
  • CA399617A - Film forming composition : en fr
  • CH216954A - Device for the longitudinal crimping of paper or other crimpable material. : de en
  • CA399675A - Sealed package : en fr
  • CH217144A - Self-induction-free wound capacitor for dissipating high-frequency oscillations from an electrical line. : de en
  • ES148110A3 - IMPROVEMENTS IN EQUIPMENT TO MEASURE AND DISTRIBUTE LIQUIDS : en es
  • ES147854A1 - A rubber waste crusher machine. : en es
  • CA399754A - Wood veneer drying method : en fr
  • DE711336C - Transmission system with signal current operated echo and / or feedback barriers : de en
  • US2257532A - Opening device : en
  • CH217053A - Remote switch with a single electromagnet for switching on and off. : de en
  • DE711563C - Folding guide rail with shaft gate : de en
  • ES147991A3 - Dynamo-electric machine for lighting bicycles. : en es
  • ES148070A1 - IMPROVEMENTS IN THE APPARATUS FOR EVAPORATING OR CONCENTRATING AND CONDENSING, VACUUM OR OTHER PRESSURES, INDUSTRIAL LIQUIDS, BIOLOGICAL AND ANALOGUE PRODUCTS, OF FREQUENT USE IN THE INDUSTRY, LABORATORIES AND STEAM GENERATORS : en es
  • FR51159E - Case for all parachutes forming drift glides : en fr
  • US2257266A - Signaling apparatus : en
  • USD129732S - Textile fabric or similar article : en
  • FR867110A - Dyeing on textile fibers of animal origin : en fr
  • GB539922A - New or improved composition of a metal for casting purposes : en
  • GR9674B - GASOLINE. : el en
  • CH217072A - Bracket for shortwave tubes consisting of base and socket. : de en
  • US2257468A - Cover for baking pans : en
  • CH217015A - Method and device for electrical welding. : de en
  • US2257094A - High frequency radio relay system : en
  • US2257173A - Apparatus for the reduction of pressure from mixtures of liquids with gases : en
  • US2257274A - Amplifier circuit arrangement for ultra-short waves : en
  • DE711547C - Modulation or demodulation device : de en
  • US2257218A - Process for the preparation of papain : en
  • US2257668A - Formation of protective layers on iron and steel articles : en
  • CA399595A - Alloy steel : en fr
  • CH217012A - Timepiece allowing tachometric and telemetry operations to be performed. : en fr
  • CA399734A - Aliphatic compound : en fr
  • AU303741A - Improvements inthe preparation of dental bridge prothesis : en
  • US2257443A - Knitted fabric and method of making it : en
  • CH217013A - Alloy. : de en
  • CA399643A - Fastening device : en fr
  • CH217102A - Process for the production of containers made of metals containing aluminum for the storage or transport of acidic hydrogen peroxide solutions. : de en
  • CH217153A - Chassis for automobiles. : de en
  • CH217055A - Electric circuit breakers, in particular gas switches. : de en
  • CH216928A - Device for actuating laundry pestles that can be attached to washing vessels. : de en
  • DE711263C - Method and device for the production of durable for special erasure purposes, e.g. alcohol-resistant air foam : de en
  • DE711447C - Rotary viscometer : de en
  • DK59072C - Milking head. : da en
  • US2257437A - Cast metal articles : en
  • US2257500A - Water closet bowl : en
  • CH217095A - Valve operated whistle, especially for echo sounding. : de en
  • US2257388A - Triple crushing machine : en
  • CA399638A - Garment hanger and shield : en fr
  • CA399566A - Waste grab preventer : en fr
  • DE711454C - Method for completely drying clay : de en
  • DE711565C - Device for blowing off moldings with compressed air : de en
  • ES147914A1 - Perfeccionamientos in links for closing of zippers. : en es
  • FR867171A - Improvements relating to the polarization of light : en fr
  • DE711578C - Anti-theft device for bicycles acting on the steering device : de en
  • CH216894A - Oven attachment. : de en
  • AU113907B2 - Ultrashort wave apparatus : en
  • AU113882B2 - Instrument mounting and fastener therefor : en
  • CH217064A - Arrangement for controlling the voltage distribution occurring in the windings when stressed by surge voltages. : de en
  • CH217123A - Heating device. : de en
  • CA399587A - Air flow measuring apparatus : en fr
  • US2257392A - Regenerative furnace : en
  • US2257226A - Air brake : en
  • US2257470A - Device for cleaning sweet corn : en
  • CH216960A - Tilting device for containers, in particular for melting kettles and pouring ladles. : de en
  • USD129716S - Combination driver s license receptacle and key chain : en
  • US2257430A - Fruit juice extractor : en
  • US2257491A - Obstetrical table : en
  • USD129730S - Bar bottle or article of similar nature : en
  • DE711368C - Circuit arrangement for telegraphy dialer systems : de en
  • FR867148A - Catalytic heater for gaseous fuel supply : en fr
  • CH217032A - Relief device on pumps, preferably on vertical underwater electric pumps. : de en
  • CH217113A - Double brake system. : de en
  • CH217035A - Valve control on air-cooled engines with V-cylinders. : de en
  • CH217154A - Flexible contact wire suspension. : de en
  • DE711632C - Process for the production of thermoplastic, bituminous materials : de en
  • ES148145A1 - DEVICE FOR LUMINOUS SIGNALS AND SHORT WAVE BALANCING : en es
  • CH216943A - Process for the preparation of 2-methyl-3-carbethoxy-4-phenoxymethyl-5-cyanodihydropyridone-6. : de en
  • PL30006B1 - Waldemar Oelsner & Oo, Copenhagen. Acoustic insulation board : en pl
  • US2257221A - Precooling unit for perishable foodstuffs : en
  • US2257600A - Cleaning device : en
  • US2257652A - Bushing insulator : en
  • CA399702A - Erecting device for gyro-verticals : en fr
  • CH217152A - Process for the preparation of a B-alkyl-substituted ethylamine derivative. : de en
  • US2257493A - Attachment for machine tools and the like : en
  • CH217097A - Sample collection. : de en
  • BE442456A - : en
  • BE442437A - : en fr
  • US2257240A - Draft diverter : en
  • US2257248A - Tool head : en
  • US2257433A - Method of and apparatus for manufacture of sealed packages : en
  • AU113902B2 - Improvements in resonant, cavity electron discharge devices : en
  • US2257617A - Heat control : en
  • CA399559A - Gas-producer furnace : en fr
  • BE442365A - Method and apparatus for obtaining spiral and at the same time helical envelopes or coatings for conductors and the like : en fr
  • PL30041B1 - Akciova spoleónost dfive Skodovy zavody v Plzni, Prague and Bohdan Pantoflióek, Pilzno-Lochotin - fiu n / 3 «-irli6 Closing of expelling charges placed in the tails of missiles : en pl
  • GB539936A - Improvements in the tracks of track-laying or endless track vehicles : en
  • GB539950A - Improvements in and relating to pressure measuring apparatus : en
  • PL30011B1 - A device for cleaning liquids : en pl
  • GB539931A - Improvements in or relating to crankshaft knuckle pins : en
  • ES148241A1 - PROCEDURE FOR THE PREPARATION OF AN AZO DYE CONTAINING AN ARSENO GROUP : en es
  • GB539902A - Improvements in or relating to arc suppression arrangements applicable, more particularly, to transmission lines : en
  • GB539937A - Improvements in the use of arylamines in photography : en
  • GB540024A - Improvements in electro-mechanical tuned couplings or frequency filters : en
  • USD129737S - Combination token and ash holder : en
  • GB539906A - Improvements in or relating to spring clips as a support for lining of circular or other steel-framed buildings : en
  • DE711609C - Device for sealing the lid of large metal baths against the bath container : de en
  • DE711397C - Subsoil loosening device arranged on a milling tail : de en
  • DE711422C - Process for emptying reaction tubes filled with grainy masses : de en
  • PL30002B1 - Komet Kompagnie fiir Optik, Mechanik und Elektro ¦ Technik Gesellschaft mit beschrankter Haftung, Berlin Centrifugal pump for air foam generation : en pl
  • PL30054B1 - The method of obtaining multi-color photography : en pl
  • DE711267C - Drive unit for caterpillar vehicles or the like : de en
  • DE711408C - Process for the preparation of nitrogen-containing products from alkyleneimines or their polymerization products : de en
  • CH216934A - Electrically heated oven for baking and drying. : de en
  • CH217141A - Watch box. : en fr
  • GB539928A - Improvements relating to shutteless textile looms : en
  • CA399594A - Piston machine with crank shaft : en fr
  • CA399682A - Article conveying apparatus : en fr
  • CA399713A - Combined heating and cooking stove : en fr
  • US2257170A - Method for locating hydrocarbon deposits in the earth : en
  • US2257658A - Kitchen utility : en
  • DE711691C - Aircraft structure with split flap : de en
  • ES147927A1 - Procedure for obtaining valuable stilbene derivatives. : en es
  • US2257178A - Reaction chamber : en
  • US2257688A - Apparatus for knocking up sheets of paper : en
  • DE711270C - Securing and camouflaging armor plates, etc. : de en
  • DE711360C - Retensioning device for tension springs on balancing devices for vertically movable windows : de en
  • ES148122A1 - A DEVICE FOR THE ENCEBADO AND THE POWER SUPPLY, TO LOW TENSION, OF A TUBE OF ELECTRIC SHOCK : en es
  • CA399600A - Mechanical power transmission : en fr
  • US2257558A - Refrigeration : en
  • USD129703S - Design for a shoe or similar article : en
  • ES6253U - Micrometric balancita for the textile industry. (Machine-translation by Google Translate, not legally binding) : en es
  • GB540074A - Improvements in or relating to self-loading tipping trucks, lorries and the like : en
  • GB540025A - Improvements in the manufacture of electric discharge devices having iron electrodes : en
  • US2257207A - Apparatus for the dry development of light sensitive material : en
  • ES148123A1 - A PERCUSSION ESPOLETA FOR ARTILLERÍA : en es
  • US2257687A - Board : en
  • DE711402C - Device for monitoring the correct cutting course on sawing machines : de en
  • ES147937A1 - A procedure for obtaining patterned papers, especially suitable for titles and securities, cartons and the like. : en es
  • ES148248A1 - A PROCEDURE FOR THE CONSTRUCTION OF AIRCRAFT PARTS, AND ESPECIALLY ELONGED-SHAPED PARTS, MADE UP OF A METAL LINING OF LONGITUDINAL REINFORCEMENTS AND TRANSVERSAL REINFORCEMENTS ARRANGED AT A REGULAR DISTANCE FROM ONE OTHER : en es
  • ES6260U - A special manufacturing knife (Machine-translation by Google Translate, not legally binding) : en es
  • DE711394C - Drum for stretching endless recording strips : de en
  • ES147977A1 - Cash register system of sales and income. : en es
  • ES148224A3 - AN IMPROVEMENT IN THE WARMING PACKAGES FOR PERMANENT HAIR WAVING : en es
  • ES148041A3 - IMPROVEMENTS MADE IN THE DRAWING COMPASSES : en es
  • GB539925A - Improvements in or relating to apparatus for mixing and whipping liquids : en
  • GB539975A - Improvements in and relating to roller mills for grinding materials : en
  • DE711697C - Rail circuit breaker : de en
  • FR867115A - Remote control device : en fr
  • ES147892A1 - Improvements in the manufacture of pin couplings for electric connecting cables in automotive trains. : en es
  • GB540026A - Improvements in and relating to reducing valves : en
  • ES148223A3 - IMPROVEMENTS IN FIRE EXTINGUISHING APPLIANCES USING A METHYL COMPOUND : en es
  • ES6307U - Lounge game to practice a kind of soccer. (Machine-translation by Google Translate, not legally binding) : en es
  • FR867159A - Semi-automatic start control for carburetor : en fr
  • GB540011A - Improvements in or relating to pressure casting machines : en
  • DE711558C - Arrangement for controlling gas or vapor discharge paths in parallel electrical circuits, the cathodes of which do not have a common potential : de en
  • DE711580C - Shearer for bald cuts : de en
  • GB539972A - An air-cooled internal combustion engine : en
  • DK59076C - Method and Apparatus for Forming Cream, Nougat and Jelly Pralines. : da en
  • ES147957A3 - A process for producing an aluminum article with a highly reflective surface. : en es
  • US2257362A - Apparatus for treating liquidsolids mixtures : en
  • DE711266C - Automatic pin coupling : de en
  • DE711409C - Electromagnet for beam deflection in a cathode ray tube : de en
  • US2257458A - Article forming machine : en
  • US2257387A - High pressure pump : en
  • US2257417A - Power cylinder for internal combustion engines : en
  • CA399719A - Meat cooking apparatus : en fr
  • GB539951A - Improvements in or relating to safety releasing drill strings, safety releasing joints for use in drill strings, and method of forming a tool string for deep well drilling : en
  • US2257578A - Monitoring facility : en
  • US2257549A - Can opener : en
  • GB540034A - Improvements in cathode ray tubes : en
  • ES148002A1 - A BARÓGRAFO : en es
  • DE711276C - Movable water seal for rivers and canals : de en
  • FR867149A - Improvement in the forms of combat aircraft, their armament and the pointing and firing devices of these armaments : en fr
  • FR867174A - Improvements in the heat treatment of aluminum-based alloys : en fr
  • GB539942A - Improvements relating to linings suitable for cake tins : en
  • ES148117A1 - IMPROVEMENTS IN THE MERGER PROCEDURES : en es
  • ES6288U - Furniture for radio-grammar, with multiple services. (Machine-translation by Google Translate, not legally binding) : en es
  • US2257502A - Printing press : en
  • FR867185A - Improvements in wire-and-sheath type electric heaters and their manufacturing processes : en fr
  • PL30042B1 - Aktiebolaget Ljungstróms Angturbin, Stockholm / Hydraulic pedal : en pl
  • DE711289C - Tin tool, especially for working curves : de en
  • DE711318C - Process for the elimination of water from sulfur dioxide vapors, which come from the solvent recovery plant of an Edeleanu plant : de en
  • DE711516C - Device for the uniform drive of sound films : de en
  • DE711670C - Electromagnetic omnidirectional radiator : de en
  • US2257571A - Spring suspension means for vehicles : en
  • US2257655A - Insect trap : en
  • US2257386A - Derrick : en
  • PL30044B1 - A method of preventing a change in the shape of a beam of electron beams in a beam lamp : en pl
  • US2257394A - Film drying machine : en
  • US2257423A - Determining the velocity of elastic waves in the ground : en
  • US2257616A - Process for cooling liquids : en
  • ES148095A1 - A PERFECTED CYLINDER HEAD FOR INTERNAL COMBUSTION ENGINES : en es
  • FR867116A - Continuous metal casting process : en fr
  • GB540067A - Improvements relating to valves : en
  • GB540018A - Improvements in or relating to lattice girders, framed structures or frameworks built up from metal elements : en
  • DE711426C - Process for the production of raw sulfur barium : de en
  • DE711636C - Device and machine for forming the ends of glass vessels with fitted glass tube ends : de en
  • DE711704C - Cutting roller for roll cutting machines : de en
  • US2257628A - Brake : en
  • DE711411C - Switching device for radios, especially for switching the waveband : de en
  • GB539977A - Improvements in and relating to launches : en
  • US2257107A - Centrifugal separator : en
  • US2257146A - Attachment for tailors' presses : en
  • DE711544C - Process for the transfer of technical waste lime into a form that can be mixed with ammonium nitrate : de en
  • DE711659C - Roll film camera with spring mechanism for series and single shots : de en
  • US2257575A - Golf club : en
  • DE711511C - Arrangement for keeping the frequency of a glow discharge oscillator constant : de en
  • GB540076A - Improvements in or relating to the preparation of magnesium fluoride : en
  • ES6313U - Salvajabones device. (Machine-translation by Google Translate, not legally binding) : en es
  • USD129702S - Design for a shoe or similar article : en
  • DE711271C - Camouflage armor plates etc. : de en
  • DE711300C - Device for raising and lowering the paper roller in teleprinters : de en
  • FR51166E - Undercarriage for any vehicle or material : en fr
  • ES148024A1 - FUEL ECONOMIZING APPARATUS IN THE EXPLOSION ENGINES BY AUTOMATIC WATER MIXTURE TO THE FUEL : en es
  • CH216887A - Pasture fencing. : de en
  • US2257476A - Winch : en
  • US2257217A - Assembling machine : en
  • AU113893B2 - Improvements in rotary switches or commutators : en
  • USD129740S - Design fob a stove : en
  • CA399749A - Barricade wire coiling apparatus : en fr
  • AU2275848A - Improvements in plate-straining mechanism for use in printing machines : en
  • CA399652A - Knitting machine and needle : en fr
  • DE711617C - Tube with reinforced end parts : de en
  • US2257097A - Crop cleaning attachment for harvester conveyers : en
  • US2257273A - Safety device or guard for machines : en
  • US2257325A - Method of separating fused products containing partially vitreous and partially nonvitreous materials : en
  • US2257425A - Combination table and bed : en
  • US2257408A - Piecrust guard : en
  • DE711700C - Process for the production of highly filled soaps : de en
  • CH216942A - Process for the preparation of a new aminotriazine derivative. : de en
  • CH216970A - Cinematographic recording device with optical compensation. : de en
  • ES147924A1 - A process for melting and refining scrap from the iron group in a rotary kiln. : en es
  • CA399596A - High speed tool : en fr
  • CH217014A - Process for the production of artificial replacement parts for the interior of the human or animal body. : de en
  • DE711317C - Process for the catalytic cracking of hydrocarbon oils : de en
  • DE711306C - Electropneumatic control for switching devices : de en
  • DE711527C - bearings : de en
  • ES143747A1 - Improvements in the tires. : en es
  • GB539959A - Improvements in or relating to mixing machines or apparatus : en
  • US2257128A - Automatic shoe polishing machine : en
  • USD129743S - Design fob a portable radio receiver : en
  • GR9669B - METAL TEXTILE BONE MADE OF ALUMINUM AFTER AN ALTERNATIVE CRUSHER OF LEATHER OR ELASTIC. : el en
  • DE711628C - Built-in pull switch : de en
  • PL30058B1 - Method for purifying phenols : en pl
  • US2257371A - Bonded abrasive article : en
  • DE711347C - Process for the formation of selenium discs with asymmetrical conductivity for selenium rectifiers or photocells : de en
  • ES147893A3 - A submersible electric heater, especially for heating saline fusion baths. : en es
  • DE711325C - Spiral separator for processing, especially coal : de en
  • ES147952A1 - Lubricant compressor, particularly for thick oils. : en es
  • CA399651A - Television transmission or reception system : en fr
  • ES147947A1 - A process for obtaining pulp for paper from vegetables whose usable fibers are abundantly protected from parenchymal tissues. : en es
  • ES6238U - Trocar for aseptic bleeding of laboratory animals. (Machine-translation by Google Translate, not legally binding) : en es
  • DE702675C - Stereoscopic recording camera : de en
  • GB539958A - Improvements in or relating to upholstery articles : en
  • DE711230C - Method for generating or increasing scattered resonance peaks in the areas of high frequencies with low frequency amplifiers : de en
  • PL30068B1 - Auergesellschaft Aktiengesellschaft, Berlin Oxygen breathing apparatus with pulmonary regulation and constant supplemental oxygen dosing : en pl
  • US2257246A - Animal trap : en
  • US2257258A - Nonjamming rolling surface for wobbler mechanisms : en
  • US2257402A - Retracting mechanism for boring tools : en
  • US2257465A - Method of and apparatus for feeding bags from a stack : en
  • ES6305U - Mechanical doorbell for doors perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • USD129767S - Design for a textile fabric : en
  • US2257535A - Method of working thermally hardenable beryllium-containtaining alloys : en
  • US2257621A - Terminal construction : en
  • US2257717A - Manufacture and purification of urea derivatives : en
  • US2257497A - Combination bed and chair : en
  • US2257651A - Winding machine : en
  • USD129754S - Design fob a dress : en
  • US2257275A - Apparatus for use in shoemaking : en
  • CA399597A - Cooking apparatus : en fr
  • CH217130A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • FR51154E - Self-dispensing aerial bomb : en fr
  • GB540078A - Improvements in or relating to the hardening and tempering of projectiles : en
  • US2257176A - Vitamin d2 double compounds : en
  • ES147879A1 - Improvements in dielectric compounds. : en es
  • CH217061A - Arrangement for displaying or counting the surge currents flowing in a line. : de en fr
  • FR867186A - Gasifier running on national fuel : en fr
  • DE711598C - Extinguishing chamber switch : de en
  • US2257278A - Process for colored titanium pigments : en
  • DE711343C - DC machine with permanent magnet excitation : de en
  • DE711590C - Telegraph transmitter in which the same transmission contacts can be controlled from a keypad and from a storage device : de en
  • CA399610A - Illumination device : en fr
  • CH217083A - Self-seller for electricity, gas, water or the like for operation with coins of various values. : de en
  • ES147951A1 - An instantaneous blocking device that only allows the drag in one of the directions of rotation. : en es
  • PL29988B1 - Yereinigte Oberschlesische Hiittenwerke Aktiengesellschaft, Gliwice 'Austenite, practically taking non-magnetic alloy steel and the method of its heat treatment : en pl
  • US2257601A - Method of lubrication : en
  • CH217025A - Wrist watch with bracelet. : de en
  • CH217070A - Switching device for interrupting and closing a circuit. : de en
  • US2257360A - Desensitized pentaerythritol tetranitrate explosive : en
  • US2257615A - Low speed acceleration safety device : en
  • US2257719A - Knitted fabric and method : en
  • CA399640A - Manganous sulphate solution purification : en fr
  • DE711361C - Shoe lasting machine with slide bars that can be moved in the longitudinal and transverse directions of the shoe : de en
  • CH217009A - Watch box. : en fr
  • US2257288A - Hemostat tonsillotome : en
  • US2257466A - Sound recording apparatus : en
  • PL30040B1 - Akciova spoleónost drive Skodovy zavody v Plzni, Praga and Bohdan Pantoflicek, Pilzno-Lochotin Incendiary bomb, mine or similar projectile : en pl
  • US2257674A - Statistical cakd comparing machine : en
  • US2257269A - Tubing plug : en
  • CA399582A - Strain gauge : en fr
  • CH216950A - Process for depositing a continuous film made of pure gold : de en
  • BE442422A - : en fr
  • AU113891B2 - Improvements in and connected with pipes andother articles having cementitious coatings : en
  • US2257420A - Arrangement for determining the : en
  • US2257602A - Game device : en
  • CH216971A - Cinematographic projection device. : de en
  • US2257632A - Gear shifting mechanism : en
  • USD129747S - Design for a bottle : en
  • DE711282C - Device for frequency conversion using direct converters : de en
  • DE711498C - Automatic stepless adjustment device on the wheel brake cylinders of hydraulically actuated brakes of motor vehicles : de en
  • ES148115A1 - A NEW SYSTEM FOR PERMANENT HAIR WAVE : en es
  • GB539939A - Improvements in or relating to voltage transformers : en
  • CH216912A - Device that can be used for heating purposes. : de en
  • US2257676A - Optical device for photography : en
  • CA399619A - Cellulosic article : en fr
  • US2257119A - Dust guard : en
  • US2257338A - Structural element : en
  • US2257479A - Method of assembling fastener units : en
  • DE711702C - Method for producing curled glass threads : de en
  • ES147936A1 - Improvements in the treatment of acetic acid. : en es
  • ES6240U - Table for toilets intended for children's use. (Machine-translation by Google Translate, not legally binding) : en es
  • CA399703A - Hypodermic unit : en fr
  • DE711280C - Brush for electrical machines : de en
  • US2257303A - Carbon cell : en
  • DE711372C - Device for introducing profiled workpieces by hand into the grinding jaws of centerless grinding machines : de en
  • DE711542C - Depositing device for die setting and line casting machines : de en
  • CA399710A - Vacuum crystallizer : en fr
  • US2257279A - Dual protection turbine governor mechanism : en
  • CH216882A - Tractor harrow. : de en
  • CH217033A - Turbine with impeller blades that are exposed to intermittent stress from the propellant. : de en
  • CH217119A - Suspension device for organs placed on supports and subjected to reciprocating movements. : en fr
  • US2257665A - Structural member : en
  • CA399588A - Shoe manufacture : en fr
  • US2257140A - Hydraulic circuit : en
  • US2257305A - Abrading machine : en
  • US2257637A - Machine for resurfacing oilsurfaced roads : en
  • USD129775S - Forzani dress ensemble : en
  • US2257593A - Collar : en
  • US2257229A - Furnace : en
  • US2257580A - Electric cooking device : en
  • DE711543C - Die setting and line casting machine with swiveling vice frame : de en
  • ES6287U - Utensil for tubers. (Machine-translation by Google Translate, not legally binding) : en es
  • GB539986A - Improvements relating to helicopters and gyroplanes : en
  • ES148108A1 - AN INVULNERABLE SEALING SYSTEM : en es
  • GB540068A - Improved means for exploring local intensities in high-frequency electromagnetic fields : en
  • DE711414C - Storm protection for large mobile opencast mining equipment : de en
  • DE711692C - Device for automatic opening and closing of doors : de en
  • ES6245U - Improved system shower device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR867162A - DC motor with very low electric power, working more particularly as a zero motor : en fr
  • FR867182A - Improvements in the transformation of straight chain paraffinic hydrocarbons into isoparaifinic hydrocarbons with high antiknock power : en fr
  • US2257643A - Method of making rotary condensers : en
  • USD129723S - Design for a bug : en
  • USD129727S - Design for a hood or similar article : en
  • AU113904B2 - Improved method of, and tool for manufacturing embossed buttons : en
  • CA399716A - Electrical control apparatus : en fr
  • PL29999B1 - Ringhoffer - Tatra- Werke A. G., Prague Cooling air supply to the rear engine, especially in vehicles with airline : en pl
  • CA399725A - Reinforced fabric manufacturing machine : en fr
  • CH217029A - Faucet. : en fr
  • CH216974A - Musical mechanism with base plate, spring motor, needle roller and rod comb. : de en
  • DE675456C - Device for labeling bottles or similar workpieces : de en
  • DE711283C - Device to protect windings for transformers and chokes, which are divided into individual coils, against surge voltages : de en
  • DE711374C - Humidifier for socks, socks, etc. like : de en
  • BE442324A - : en fr
  • CA399666A - Cathode ray tube : en fr
  • US2257129A - Magnesium primary cell : en
  • US2257474A - Honing head : en
  • CH216923A - Process for the production of rayon, ribbons, films etc. : de en
  • CH216939A - Process for the preparation of a bromide. : de en
  • CA399663A - Hair curler : en fr
  • CH217059A - Device for measuring or monitoring the oil level in oil tanks that are at potential. : de en
  • CA399720A - Vehicle motion-controlling mechanism : en fr
  • AU391040A - Improvements in or relating to capstans or like hauling means : en
  • CH216998A - Bill consumption meter actuated by pulses, in particular total bill consumption meter. : de en
  • DE711452C - Device for determining the mask size for animals, especially horses : de en
  • ES148150A1 - A PROCEDURE TO REMOVE THE METAL BODIES OF TEXTILE MATERIALS CARDADAS : en es
  • US2257718A - Knitted fabric and method : en
  • PL30017B1 - Quarzlampen Gesellschaft m. B. H, Hanau11 J '/ Electric high-pressure discharge lamp with metal vapor and with oxide electrodes, heated discharge : en pl
  • US2257692A - Windshield wiper arm : en
  • PL30035B1 - The method of obtaining carbon black from gas : en pl
  • GB540027A - Improvements in and relating to rock boring and like tools : en
  • US2257089A - Stud driver : en
  • DE711661C - Process and device for the continuous dissolving of fine-grained substances in liquids : de en
  • GB539952A - A method of and means for measuring the distance between two points in space by means of the reflection of waves : en
  • GB540066A - Improvements in methods of constructing concrete floorings and like surfaces : en
  • US2257311A - Brake control means : en
  • US2257088A - Water-repellent process : en
  • US2257177A - Polymerization by means of a high frequency electric discharge : en
  • US2257390A - Footwear : en
  • ES6237U - Switch with reference visible in the dark. : en es
  • US2257627A - Lubricating oil : en
  • US2257196A - T-head shore hanger : en
  • US2257292A - Flush tank valve : en
  • AU113890B2 - Improvements in or relating to automatic cutoff devices for electric jugs andother vessels for heating liquids : en
  • AU116771B2 - Improvements inthe preparation of dental bridge prothesis : en
  • US2257469A - Sheet piler : en
  • US2257418A - Detachable bit rock drill : en
  • CH216973A - Process for sensitizing photographic emulsions. : de en
  • CH217109A - Two-power omnibus. : de en
  • US2257683A - Ticket stacking device : en
  • CH217131A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • PL29996B1 - Piston fuel pump : en pl
  • US2257262A - Audiometer : en
  • US2257496A - Chair for motion picture theaters : en
  • BE442447A - Vertebral self-extensor apparatus : en fr
  • ES147988A1 - A new continuous press crushing machine, with a wringing crusher chamber. : en es
  • BE442359A - Mine prop, iron : en fr
  • CA399655A - Overhead garage door : en fr
  • CH217017A - Process for the production of feed tongs. : de en
  • US2257212A - Outlet valve and operating mechanism : en
  • CH216933A - Machine for fastening locking devices. : de en
  • US2257363A - Blind stitch mechanism : en
  • AU102941A - Improvements in and relating to flash lamps : en
  • ES6278U - Filter plate. (Machine-translation by Google Translate, not legally binding) : en es
  • US2257265A - Relay control : en
  • USD129770S - Design fob a dress : en
  • DE711385C - Process for the preparation of monoazo dyes : de en
  • GB539965A - Improvements in needle threaders : en
  • GB540043A - Improvements in chromium metallurgy : en
  • DE711575C - Lubricating device for motor vehicles : de en
  • FR51170E - Method and device for the production of charcoal agglomerates : en fr
  • GB539899A - Improvements in connecting-rods : en
  • GB540030A - Improvements in or relating to metal cutting machine tools : en
  • US2257219A - Sectional flooring : en
  • USRE21916E - Treating oil wells : en
  • DE711310C - Control of AC motors for the drives of briquette presses : de en
  • CH216892A - Heating appliance. : en fr
  • DE711274C - Device for spindleless winding machines to lay the thread on the bobbin driver : de en
  • CA399753A - Photographic bath : en fr
  • DE711651C - Drinking fountain : de en
  • DE711663C - Process for introducing solid substances into melts, e.g. of coal powder in molten salt : de en
  • US2257272A - Radio receiving system : en
  • DK59079C - Frame with box-shaped length beams for motor vehicles. : da en
  • ES148206A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THE OVENS OF THE ECONOMIC KITCHENS : en es
  • DE711531C - Process for improving the properties of cement : de en
  • DE711602C - Ignition device with resistance ignition electrode for electrical discharge vessels with liquid cathode : de en
  • ES148160A1 - NEW DEVICE TO COOL THE REFRIGERATION WATER OF THE AIRPLANES, AUTOMOBILES AND SIMILAR ENGINES : en es
  • US2257180A - Oven : en
  • PL30067B1 - Bronislaw Oberle, Przemysl (Dental riveter for teeth : en pl
  • US2257168A - Signaling system : en
  • US2257641A - Rail spike : en
  • DE711479C - Goniometer bearing system : de en
  • ES148214A1 - IMPROVEMENT IN THREADED PLUGS FOR BOTTLES AND GENERAL CONTAINERS : en es
  • DE711444C - Process and device for determining the fat content of substances : de en
  • SE102641C1 - : en
  • AU346640A - Ultrashort wave apparatus : en
  • US2257169A - Rotary cutter : en
  • US2257351A - Means for handling beets : en
  • US2257354A - Clamp and bracket structure : en
  • US2257640A - Rail spike : en
  • US2257693A - Furnace : en
  • US2257559A - Chuck key holder : en
  • CA399573A - Sterilizer : en fr
  • CA399729A - Hydraulic coupling and turbo-torque transmitter : en fr
  • CH216927A - Articulated device for pressing the stretching cylinders for stretchers of strips or lapels. : en it
  • CH216937A - Process for the preparation of tertiary alcohols of the oestran series. : de en
  • DE711412C - Automatic electromagnetic device, e.g. electromagnetic relay : de en
  • US2257181A - Combined cutting and loading machine : en
  • US2257411A - Method of cathode disintegration : en
  • CH216991A - Method and device for modulating radio frequency energy. : de en
  • PL30018B1 - A method of enriching hard coal with the help of a set of air tables : en pl
  • PL30063B1 - Henkel & Oie, G. m. B. H., Dusseldorf-Holthausen A detergent for washing, cleaning, bleaching and rinsing containing peroxygen compounds, a method of its preparation and an apparatus for carrying out this method : en pl
  • US2257572A - Ensilage spreader : en
  • USD129711S - Design for an oil service station building : en
  • ES147871A1 - Procedure to interpose, exchange or multiply indefinitely the content of identity cards to multiple sheets in a single strip. : en es
  • DE711439C - Process for the pressure hydrogenation of products obtained by pressure hydrogenation in the liquid phase from highly oxygenated fuels : de en
  • ES147929A1 - A PROCEDURE FOR THE MANUFACTURE OF ELECTRIC LAMP BRACKETS WITH HARD GLASS OR QUARTZ BLISTER : en es
  • CA399724A - Oxo-compound : en fr
  • CH216913A - Device for cleaning cookware. : de en
  • US2257191A - Tape puller for projectors : en
  • CA399752A - Lock or latch mechanism : en fr
  • US2257511A - Transmission : en
  • US2257698A - Marine propelling device : en
  • US2257653A - Motor synchronizer for motor driven skates : en
  • US2257581A - Printing frame : en
  • CA399653A - Resilient mounting : en fr
  • CA399739A - Textile apparatus : en fr
  • CH216996A - Hysteresis peak counter. : de en
  • CA399665A - Television glass-metal tube manufacture : en fr
  • CH217155A - Sowing apparatus, in particular for flower and vegetable seeds. : de en
  • CH217067A - Method for the investigation of substances by means of radiation with slow neutrons. : de en
  • CA399616A - Cellulosic film : en fr
  • CH217005A - A mirror system used to deflect a convergent imaging beam. : de en
  • CH217066A - Device for the protection of direct current high voltage networks. : de en
  • CA399591A - Elevator bucket or cup : en fr
  • CH216909A - A draft regulator on smoke exhaust ducts with a slide valve as a regulating element. : de en
  • AU113885B2 - Improvements in and relating to flash lamps : en
  • DE711424C - Process for the production of directly heatable devices with precious metal lining for the chemical industry : de en
  • DE711441C - Process for obtaining animal fibers from meat : de en
  • USD129784S - Michel-son dress ensemble : en
  • FR867103A - Acetylene mixer generator for internal combustion engines and other applications : en fr
  • DE711446C - Rotary viscometer : de en
  • GB540039A - Improvements relating to nickel alloys : en
  • BE442387A - : en
  • CH216992A - Computing device for the electrical conversion of Cartesian coordinates into polar coordinates. : de en
  • CH217050A - Busbar branch terminal. : de en
  • CH216990A - Level. : en fr
  • DE711342C - Time remote switch, especially for stairwell lighting : de en
  • DE711359C - Latch lock for car doors : de en
  • GB540036A - Improvements in or relating to accumulators for hydraulic power systems : en
  • CA399553A - Polarizing material : en fr
  • PL29991B1 - Adhesive for coating dyes : en pl
  • CA399698A - Thermal demand meter register : en fr
  • DE711476C - Monitoring frame to be installed on or in conductive bodies : de en
  • US2257104A - Extrusion method for organic materials : en
  • US2257255A - Vehicle washer : en
  • US2257349A - Pump : en
  • CA399625A - Discharge device and electrode : en fr
  • CH216982A - Procedure for controlling guns. : de en
  • DE711550C - Method for preventing or removing ice on aircraft tow antennas : de en
  • CA399577A - Valve mechanism : en fr
  • ES147961A1 - A procedure for the serial production of sound films. : en es
  • USD129721S - Design for a beverage dispenser : en
  • USD129763S - Housing for a telescribbr : en
  • PL30028B1 - Aktiengesellschaft Brown, Boveri & Oie, Baden / Blow heater or a bed similar to heat exchange : en pl
  • PL30014B1 - A method of producing grids for cathode ray tubes and a winder for making grids in this way : en pl
  • CH216884A - Rafter roof. : de en
  • DE711387C - Pressing and lubricating fluid for hydraulic pressure systems : de en
  • CH217021A - Method and device for debarking tree trunks. : de en
  • CH217124A - Kneading machine. : de en
  • DE711647C - Automatic adjustment device for shoe brakes of vehicles, especially aircraft : de en
  • USD129792S - Design for a dress : en
  • AU113883B2 - Improvements in or relating to photoflash lamps : en
  • CH217160A - Device for trapping insects, especially at night. : de en
  • FR867192A - liquid elevator : en fr
  • CH216980A - Firearms storage facility. : de en
  • CA399618A - Coating composition : en fr
  • ES147901A1 - A method for increasing the clarity of the optical parts by reducing the refractive exponent on the boundary surfaces of said parts. : en es
  • BE442526A - Agent for selectively controlling weeds : en fr
  • DE711293C - Process for the production of synthetic corundum whose crystallographic main axis and geometric axis coincide : de en
  • DE711621C - Filter mass washing device : de en
  • US2257214A - Deck lid lock : en
  • GB540049A - An improved manufacture of synthetic compositions of matter : en
  • FR867163A - Parts, whose modulus of elasticity must have a determined coefficient of variation as a function of temperature : en fr
  • US2257276A - Perforating gun and projectile therefor : en
  • US2257286A - Locomotive stoker : en
  • US2257461A - Sodium perborate product : en
  • US2257481A - Frothing agents and product : en
  • US2257702A - Pressure regulating and unloading valve : en
  • US2257711A - Insecticide : en
  • ES147940A2 - A MODULATION PROCEDURE FOR BROADCAST STATIONS : en es
  • FR867108A - Drawing device equipped with a parallel displacement ruler : en fr
  • FR51156E - Projector lamps for vehicles, especially automobiles with optimum distribution of the radiated flux : en fr
  • ES148170A1 - A NEW ELASTIC WHEEL FOR AUTOMOBILES, TRUCKS AND ALL KINDS OF ROLLED VEHICLES : en es
  • GB540055A - Improvements in electric lighting fittings : en
  • CA399644A - Metallic surface heat treating apparatus : en fr
  • CA399662A - Coating and drying apparatus : en fr
  • ES148094A2 - AN INSTANT LOCKING DEVICE THAT ONLY ALLOWS TOWL IN ONE OF THE DIRECTIONS OF ROTATION : en es
  • US2257583A - Chair : en
  • FR867143A - Decoration process particularly applicable in printing with Lyonnaise frame : en fr
  • ES6324U - Device to facilitate the filling of glass ampoules of different uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB540020A - Improvements in safety valves : en
  • FR867198A - Improvements to electrostatic discharge devices : en fr
  • ES6295U - Improvements in or relating to dresses or costumes (Machine-translation by Google Translate, not legally binding) : en es
  • PL30013B1 - 0. Lorenz Aktiengesellschaft, Berlin-Tempelhof ni ni / // Automatic telegraph device : en pl
  • ES147881A1 - A lubricating pump with several compartments. : en es
  • CH216949A - Process for the anodic oxidation of zippers. : de en
  • ES6314U - Lock with safety device (Machine-translation by Google Translate, not legally binding) : en es
  • US2257236A - Piston : en
  • CA399637A - Grease dispensing apparatus : en fr
  • ES147872A1 - A new procedure for obtaining alcohols and tartaric material from wine residues. : en es
  • DE711302C - Circuit arrangement for telecommunications, in particular telephone systems for identifying calling connection points : de en
  • DE711331C - Handle brush : de en
  • US2257359A - Water-containing lubricant for composition bearings : en
  • DE711541C - Process for the production of phenolic esters : de en
  • DE711614C - Ring-shaped shaft lining made of rolled ó ± iron : de en
  • DE711260C - Gravimeter : de en
  • ES148105A1 - A NEW DEVICE THAT PREVENTS THE STARTING OF AN AUTOMOBILE VEHICLE WITHOUT PREVIOUSLY KNOWING THE COMBINATION WITH WHICH IT HAS BEEN IMMIVITED : en es
  • GB539915A - Improvements in or relating to concrete mixers or the like : en
  • FR867172A - Improvements in radioactive alloys and their preparation processes : en fr
  • GB539948A - Improvements in or relating to carrier wave signalling systems : en
  • DE711378C - Method for the preparation of the dihydrofollicle hormone : de en
  • DE711526C - Fungicidal and bactericidal agents : de en
  • US2257395A - Cooking top : en
  • BE442543A - : en
  • ES6277U - Packaging of paraffinated paper or cardboard. (Machine-translation by Google Translate, not legally binding) : en es
  • US2257509A - Linking machine : en
  • US2257529A - Drawing instrument : en
  • USD129706S - Design for a shoe ob similar article : en
  • ES148029A1 - A PROCEDURE TO PRODUCE SULFUR FROM GASES CONTAINING SULFUR BIOXIDE : en es
  • ES147921A1 - A new procedure for the manufacture of soap for cleaning. : en es
  • DE711655C - Device for measuring resistance with a cross-wound coil unit located in the diagonal branch of a bridge : de en
  • USD129744S - Design for a heater : en
  • US2257424A - Camera : en
  • PL30070B1 - : en pl
  • USD129753S - Tashman handbag : en
  • ES148038A1 - APPARATUS FOR DIVIDING A TUBE IN RINGS : en es
  • DE711469C - Manufacture of alkali peroxide : de en
  • US2257554A - Mattress clamping device : en
  • ES148140A3 - MECHANICAL WATCH MANUFACTURING PROCEDURE : en es
  • DE711407C - Mold for finishing and shaping textile goods, in particular hosiery : de en
  • US2257090A - Strap sealing apparatus : en
  • CA399601A - Towing machine : en fr
  • GB539930A - Improvements in or relating to windscreen wipers : en
  • US2257284A - Preparation of tartaric acids : en
  • DE711239C - Process for the production of multilayer insulating panels : de en
  • ES148171A1 - PROCEDURE FOR OBTAINING POLYALCOHOLES STEREO-ETHER MIXED COMPOUNDS : en es
  • US2257442A - Thermostatically controlled mixing device : en
  • FR867150A - Method for scrambling radio broadcasts and its means of implementation : en fr
  • US2257106A - Dermal lotion : en
  • US2257151A - Hatbox : en
  • US2257426A - Bifurcated garment : en
  • ES147973A1 - INSURANCE FOR AUTOMATICALLY LOADING WEAPONS : en es
  • DE711583C - shower : de en
  • AU116841A - Improvements in or relating to rotary power transmitters employing a working liquids : en
  • US2257117A - Sheet handling mechanism : en
  • US2257327A - Nut : en
  • US2257427A - Angle fitting and method of making same : en
  • ES148051A3 - VALVE MECHANISM FOR WHEEL INNER TUBES WITH PNEUMATIC RIMS : en es
  • ES6270U - Silent dryer for hair (Machine-translation by Google Translate, not legally binding) : en es
  • PL30023B1 - 0. Lorenz Aktiengesellschaft, Berlin-Tempelhof l - '/ High-frequency cable : en pl
  • GB539914A - Improvements relating to clip fasteners : en
  • GB539976A - Improvements in spindle structures for spinning and twisting frames : en
  • GB539985A - Improvements in or relating to the manufacture of wet spun protein fibres : en
  • DE711312C - Transformer arrangement for converting three-phase electricity into electricity with a large number of phases : de en
  • DE711259C - Gas or oil heated hot air oven : de en
  • DE711455C - Device for dividing, dosing or filling viscous, non-absorbent masses into smaller packaging vessels : de en
  • DE711662C - Device for applying fluids to rotary drum filters (turbidity or washing fluid) : de en
  • DE711557C - Method for magnetizing ring magnets : de en
  • AU9541A - Improvements in rotary switches or commutators : en
  • ES148216A3 - IMPROVEMENTS IN THE PREPARATION OF THE WAX PAPER : en es
  • DE711357C - Landing lights : de en
  • USD129778S - Design fob a dress : en
  • PL29979B1 - Ceska zbrojovka akciova spolecnost v Praze, Strakonice Synchronizer for machine guns firing through spinning propeller aircraft : en pl
  • DE711687C - Process for the production of resinous substances : de en
  • US2257304A - Character bearing element for key chains and like devices : en
  • GB539970A - Improvements in radiators for aircraft and motor vehicles : en
  • CH216921A - Filling pipe for bottle filling devices with isobarometric operation. : de en
  • FR867125A - Pressure regulator regulator with safety valve : en fr
  • ES148048A1 - A SLIDING SYSTEM APPLICABLE TO CAPSULISMS OR PALLET PUMPS : en es
  • GB539921A - Improvements in means for controlling the letting-off of warps in looms : en
  • GB540014A - Television scanning-wave generator synchronizing systems : en
  • AU317640A - Improvements in and relating tothe production of pastes from polymerized vinyl chloride : en
  • DE711551C - Ohmic resistance for ultrashort waves : de en
  • GB539966A - Improvements in packing glands : en
  • ES147997A1 - Improvements in the construction of the wire drawing machines. : en es
  • US2257295A - Grate : en
  • US2257697A - Container : en
  • DE711442C - Window with a ventilation device arranged below and a ventilation device arranged above : de en
  • US2257455A - Loom : en
  • US2257541A - Apparatus and method of treating bulk material : en
  • US2257585A - Telescopic handle extension : en
  • US2257533A - Apparatus for the treatment of gases : en
  • US2257149A - Ice block forming and dispensing device : en
  • ES147856A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR867169A - Submarine warning, rescue and rescue device : en fr
  • CA399623A - Circuit arrangement for discharge apparatus systems : en fr
  • CA399689A - Impact crusher : en fr
  • ES148208A3 - IMPROVEMENTS INTRODUCED IN ELECTRIC SPOT WELDING APPARATUS : en es
  • ES6274U - Electric saucepan (Machine-translation by Google Translate, not legally binding) : en es
  • FR867180A - Method and apparatus for sewing bales of wool and other envelopes : en fr
  • FR867128A - Injection engine : en fr
  • FR51163E - Mobile electric light that can be easily placed on a bed, armchair and other furniture or other supports : en fr
  • CA399654A - Steam generator : en fr
  • CH217018A - Process for the production of silicon-containing surface layers on objects made of iron or steel. : de en
  • CH217044A - Device for keeping the temperature of turbo generator rotor windings constant. : de en
  • CA399748A - Cigarette manufacture : en fr
  • USD129774S - Design for a dress : en
  • ES148133A1 - PROCEDURE FOR THE OBTAINING OF PHOTOGRAPHIC IMAGES IN COLORS THROUGH GENERATORS OF INDIFUSIBLE COLORS : en es
  • GB539982A - Improvements in and relating to bentonite products : en
  • ES148033A1 - PROCEDURE FOR THE MANUFACTURE OF COMPOSITE CHAIN LINKS, ON ONE PART, IN THE D-SHAPE, THE PART CONTAINING THE BRIDGE, AND ON THE OTHER PART OF THE CLOSURE, IN THE G-SHAPE, BY MEANS OF SELF-RESISTANCE AND PRESS WELDING AND WITHOUT SPARK : en es
  • US2257498A - Tire inflation apparatus : en
  • US2257707A - Oil pump : en
  • ES148080A1 - IMPROVEMENTS IN THE DOORS OF THE HOME OF LOCOMOTIVES AND ANALOGS : en es
  • ES148227A1 - PROCEDURE FOR THE OBTAINING OF A BASE SOAP FOR THE TEXTILE, SOLUBLE AND DISINFECTANT INDUSTRIES : en es
  • DE711581C - Device for the electrical remote setting of the target course of a vehicle from a course transmitter on a remote compass : de en
  • GB540016A - Improvements in or relating to filling elements or headers for machines for filling bottles or the like with liquid : en
  • GB540048A - Improvements relating to the coating of relatively strong metals or alloys of high melting point with other metals or alloys : en
  • DE711308C - Clutch acting in both directions of rotation for coaxial or non-equiaxed shafts of lever drives for stage lighting devices : de en
  • DE711297C - Process for removing iron oxide-containing slag in rolling mill furnaces : de en
  • FR867167A - Improvements to machines and processes for applying and securing a metal strip around an object : en fr
  • GB539996A - Improvements in and relating to facing elements or electrical contact plates : en
  • AU315740A - Rotary engine : en
  • GB540017A - Clipping and shearing device : en
  • USD129759S - Design for a dress : en
  • FR51161E - Study and training equipment for typewriter use : en fr
  • DE711298C - Suspension of overhead lines for swiveling tracks of mine railways : de en
  • DE711523C - Process for the extraction of hydrocarbons from gases containing hydrocarbons using activated carbon : de en
  • PL30032B1 - Stone and concrete plate : en pl
  • ES147941A1 - Improvements in the gasifiers of liquid fuels destined to infiernillos, kitchens and similar uses. : en es
  • US2257694A - Process for dyeing leather : en
  • DE711535C - High pressure electrolytic decomposer : de en
  • CH217125A - Gaiter. : en fr
  • US2257499A - Fastening means for uniting building members : en
  • USD129712S - Design for a combination shelf : en
  • US2257300A - Electric brake control : en
  • ES143095A1 - A new semi-autoclave to make the so-called permanent waves. : en es
  • DE711525C - Hammer mechanism for the production of specimens for building material testing with several hammers : de en
  • DE711548C - Antenna arrangement for radio receivers : de en
  • ES147912A1 - PROCEDURE FOR THE PREPARATION OF A CONDENSATION PRODUCT : en es
  • ES148119A1 - A DEVICE FOR THE TRANSMISSION OF POWER, WITH AUTOMATIC VARIATION OF THE SPEED OF THE RECEIVER, TO THE REQUEST OF THE RESISTANT TORQUE : en es
  • GB540029A - Improvements relating to the cooling of internal-combustion engines : en
  • ES147974A1 - A supplementary propulsion device for bicycle by oscillation of the guide. : en es
  • ES148161A1 - IMPROVEMENTS IN THE MANUFACTURE OF CHAMPIONS OF RING BY HAND FOR BICYCLES, DOORS, ETC : en es
  • AU273340A - Improvements in or relating to apparatus for filling cans and other containers : en
  • CA399742A - Fabric manufacture : en fr
  • US2257379A - Work support for riveting and similar machines : en
  • ES148049A1 - PROGRESSIVE HYDROLOGICAL SPEED CHANGES : en es
  • US2257280A - Coating composition : en
  • US2257664A - Automobile frame and structural member : en
  • CH216907A - Process for cleaning heating surfaces on boilers, as well as device for carrying out the process. : de en
  • ES148005A1 - A UNION OF QUICK DISASSEMBLY : en es
  • AU113892B2 - Improvements togas producing generator : en
  • CA399691A - Typewriter margin mechanism : en fr
  • US2257357A - Ullage rod : en
  • DE711458C - Arrangement for utilizing the stray force flux of a magnet which generates an essentially constant magnetic field and between whose poles a magnetic field tube is arranged : de en
  • US2257194A - Motor fuel : en
  • US2257383A - Press : en
  • US2257405A - Hydroplane : en
  • ES147969A1 - Improvements in or related to radio signals of equiseñal. : en es
  • US2257110A - Furnace structure for reducing ores : en
  • US2257477A - Combined pressure and safety switch : en
  • US2257531A - Evaporating apparatus and method : en
  • PL29981B1 - : en pl
  • PL30021B1 - : en pl
  • US2257669A - Artificial tooth and holder therefor : en
  • DE711245C - Calculator for converting metric to typographical units : de en
  • ES148039A1 - A SOUND IMPRESSOR APPARATUS : en es
  • ES148047A1 - A PROCEDURE FOR THE MANUFACTURE OF THE BRAZIL OF ABACÁ WITH SOUL, USING THE ROPE OR FIBER USED OF SUCH PRODUCT, INTENDED FOR THE CONSTRUCTION OF FLOORS OR SOILS OF ALPAGATAS, SLIPPERS OR OTHER CLASS OF FOOTWEAR : en es
  • ES148092A1 - A HAND CUTTING SCISSORS FOR CUTTING PLATES AND THE LIKE PROVIDED WITH TWO CUTTING ROLLERS DRIVEN BY A RATCHET DEVICE : en es
  • GB539960A - Improvements relating to colloidal, gelatinous, mucilaginous and glutinous matter or compounds : en
  • US2257091A - Solubilization of diazoimino : en
  • DE711631C - Switching arrangement for controllable gas or vapor-filled discharge vessels with liquid cathode : de en
  • CH217057A - Arrangement for synchronous actuation of pushbutton switches. : de en
  • USD129761S - Design for a panty girdle : en
  • GB540056A - Improvements in and relating to capstans : en
  • PL30008B1 - : en pl
  • DE711250C - Receiving relay for remote control systems : de en
  • ES148249A1 - A MACHINE FOR PRESSING AND MOLDING PLASTIC MATERIALS : en es
  • FR867121A - Central office and similar teleprinter systems : en fr
  • DE711502C - Lock protector for rifles : de en
  • DE711618C - Centrifugal separator for liquid or gaseous mixtures that specifically contain components of different weights : de en
  • DE711668C - Filter arrangement for separating or merging high-frequency AC voltages, especially in wire radio systems : de en
  • GB540047A - Improvements in or relating to coal cutting and coal cutting machines : en
  • FR867136A - Method of construction of cores : en fr
  • DE711588C - Device for rolling in ball and joint bearings used in components and to be fastened : de en
  • DE711689C - Device for sampling floury substances : de en
  • BE442366A - Ignition system for electric discharge containers with liquid cathode : en fr
  • FR51197E - Synthetic process for preparing vitamin b : en fr
  • CA399685A - Cigarette manufacture : en fr
  • CH216908A - Device for generating and amplifying the draft in a house chimney. : de en
  • CH216918A - Cutlery holder for cutlery box. : de en
  • CH216940A - Process for the production of a new condensation product. : de en
  • CH216958A - Document folder. : de en
  • DE711627C - Hydraulic door actuation device for double-leaf sliding doors, especially for rail vehicles : de en
  • US2257096A - Remote control mechanism for drag scrapers : en
  • US2257299A - Animal trap : en
  • US2257334A - Gasket : en
  • US2257560A - Sound film blooping apparatus : en
  • CA399621A - Welding transformer : en fr
  • USD129700S - Design for a shoe sole : en
  • PL30053B1 - Insulating material : en pl
  • US2257524A - Solar water heater : en
  • US2257586A - Automatic aperture control mechanism for camera diaphragms : en
  • US2257604A - Tire casing : en
  • CA399647A - Thermionic valve circuit for television : en fr
  • CH217062A - High-voltage fuse for high breaking capacities. : de en
  • CA399604A - Internal shoe drum brake : en fr
  • CH216898A - Hot water tank. : de en
  • CA399593A - Heat exchanger : en fr
  • CA399751A - Hair curler : en fr
  • CA399711A - Fastener manufacture : en fr
  • US2257155A - Battery hold-down means : en
  • US2257358A - Steam generator : en
  • CA399693A - Electron discharge device : en fr
  • CH217132A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • DE711677C - Device for testing remote control receiving devices : de en
  • DE711386C - Process for the preparation of polyazo dyes : de en
  • US2257188A - Cabinet : en
  • US2257306A - Friction shock absorbing mechanism : en
  • US2257407A - Knife sharpener : en
  • US2257712A - Wall construction : en
  • CH217002A - Device for controlling the tonearm in automatic gramophones. : de en
  • AU113881B2 - Improvements in or relating to tubular andother metal scaffolding and like structures : en
  • US2257597A - Preparation for combating pests and disinfecting seeds : en
  • CA399584A - Tire tool : en fr
  • PL30062B1 - Vereinigte Eisenbahn-Signalwerke Gesellschaft mit beschrankter Haftung, Berlin-Siemensstadt Electric railway adjusting device with electromagnetically interlocked switches : en pl
  • CA399592A - Synthetic metallic enamel : en fr
  • GB539956A - Improvements in or relating to sawing machines of the chain saw type : en
  • US2257320A - Direction finding system : en
  • CH217023A - Adjustable wrench with setting scale. : de en
  • US2257454A - Means for closing metal drums : en
  • US2257159A - Electrical cooking device : en
  • ES6257U - Folding boxes device. (Machine-translation by Google Translate, not legally binding) : en es
  • US2257099A - Pilot's shoulder safety belt take-up reel assembly : en
  • US2257186A - Process of removing metal oxides and preparations suitable in this process : en
  • BE442334A - : en
  • CH217094A - Electric device for remotely measuring at least one liquid level. : en it
  • CH217008A - Elastic bearing for watch mobile. : en fr
  • AU357940A - Improvements togas producing generator : en
  • CA399708A - Steam superheater : en fr
  • DE711568C - Plasticizing of emulsion polymers of butadienes : de en
  • DE711603C - Device for regulating the gas supply and cleaning the burner opening on a carburetor burner : de en
  • CA399687A - Carbon pile current regulator : en fr
  • CH217010A - Show. : en fr
  • ES6231U - File book perfected (Machine-translation by Google Translate, not legally binding) : en es
  • CH217120A - Pressurized fluid multiple-plate braking device for the wheels of an airplane landing gear. : en fr
  • USD129698S - Design for a lamp lens : en
  • DE711326C - Gas tap : de en
  • US2257291A - Timing device : en
  • US2257607A - Polysulphide film-forming material and process for preparing the same : en
  • CA399646A - Automobile heater : en fr
  • DE711335C - Axle bushing for rail vehicles by means of a rubber belt : de en
  • ES147956A3 - A procedure for producing reflective surfaces on aluminum. : en es
  • CH217111A - Vorrichtung zum lösbaren Befestigen von Gegenständen aneinander. : de en fr
  • DE711380C - Process for the pressure extraction of coal, peat, bituminous slate and the like Like. In the presence of catalysts : de en
  • CA399747A - Therapeutic vibrator : en fr
  • PL29995B1 - Method of bleaching industrial artificial fibers and their products : en pl
  • PL30012B1 - An electrical device, in particular a railway traffic light, containing two lamps, one of which starts to glow automatically when the other circuit is interrupted and stops automatically when it is closed : en pl
  • US2257131A - Temperature-controlling flatiron stand : en
  • CA399571A - Pneumatic metal recovery apparatus : en fr
  • CH217019A - Plywood sheet and method and apparatus for making the same. : de en
  • CA399607A - Alcoholic beverage filtering apparatus : en fr
  • US2257296A - Lath mounting : en
  • CH217110A - Device on vehicles for automatic laying of the running track. : de en
  • AU113896B2 - Improvements in or relating to electric valve apparatus for controlling the transfer of electric power and circuits therefor : en
  • DE711484C - Collector separator : de en
  • DE711573C - Device for limiting the maximum speed of motor vehicles : de en
  • US2257350A - Carpet sweeper : en
  • PL30049B1 - : en pl
  • PL30065B1 - Patent-Treuhand-Gesellschaft / fiir elektrische Gltihlampen m. B. H., Berlin Electric flash : en pl
  • USD129772S - Design for a dress : en
  • ES147867A2 - PROCEDURE, WITH ITS CORRESPONDING MECHANICAL FLOOR OVEN, FOR THE CALCINATION OF THE PYRITES : en es
  • ES148031A1 - DEVICE FOR THE SUSPENSION OF PIEZOELECTRIC BARRITTES : en es
  • FR867187A - Correspondence paper : en fr
  • CA399673A - Cash register interlock : en fr
  • DE711530C - Closing head for encapsulation machines : de en
  • ES148072A1 - A NEW PROCEDURE FOR TRANSFORMING WHITE IRON FOUNDRIES IN GRAY FUNDTIONS : en es
  • GB539894A - Improvements in and relating to the manufacture of steel : en
  • USD129739S - Design foe a barrette : en
  • US2257561A - Blooping device for sound reproducers : en
  • US2257301A - Brake system : en
  • US2257573A - Machine for manufacturing molded pulp articles : en
  • USD129765S - Design for a housing fob a telescriber : en
  • BE442354A - : en fr
  • CH216994A - Device for the time deflection in oscilloscopes : de en
  • DE711418C - Process for quick peeling of meat : de en
  • ES147884A1 - Improvements in the apparatuses to produce a band or sheet of glass or polished glass. : en es
  • GB539934A - Propelling motor for aircraft : en
  • US2257167A - Rendering of viscous to gummy olefin polymers nonadherent : en
  • US2257599A - Method for the manufacture of starch products : en
  • US2257678A - Centrifugal pump : en
  • DE711399C - Slip clutch : de en
  • DE711657C - Low-frequency induction furnace with a closed melt channel and a hearth that tapers towards the top : de en
  • US2257197A - Motion picture apparatus : en
  • USD129724S - Design for a desk cabinet : en
  • DE711244C - Indirectly controlled safety valve for installation in steam systems : de en
  • US2257537A - Automatic tuning mechanism for radio receivers : en
  • DE711539C - Process for the production of iodopropanediol phosphoric acid and its calcium salt : de en
  • DE711683C - Seat convertible into a shoe shine and shoe liner : de en
  • US2257689A - Machine for manufacturing bags : en
  • PL29984B1 - GustaY Snoek, Berlin Preparation containing glycerin and fatty alcohols with a large molecule : en pl
  • US2257659A - Automobile direction signal : en
  • CH216902A - Process for the production of a concrete containing fibrous substances. : de en
  • DE711639C - Dosing device for carrying out a method for determining the ash content of flours : de en
  • DE711703C - Coupling device between the removable support frame and the ram of a lifting platform : de en
  • ES148221A1 - A PROCEDURE FOR MANUFACTURING DOLLS AND TOYS : en es
  • DE711608C - Sealing lids for container openings, especially for closing openings in the airframe : de en
  • ES148118A1 - IMPROVEMENTS IN OBTAINING MAGNESIUM ALLOYS : en es
  • ES6311U - Light bulb for locks. (Machine-translation by Google Translate, not legally binding) : en es
  • DE711685C - Method and device for removing the intestine from a fish by means of a gripping device which grips the intestine which has been partially pulled out : de en
  • US2257342A - Heating and air circulating unit : en
  • US2257375A - Upholstery spring construction : en
  • CA399589A - Shoe manufacture : en fr
  • CA399613A - Moisture-proof wrapping sheet : en fr
  • US2257609A - Pilot for boring bars : en
  • USD129780S - Design for a dress : en
  • ES147908A1 - Improvements in or relating to devices for demodulator detector circuits. : en es
  • DE711518C - Anti-skid circuit in electric AC traction vehicles : de en
  • ES147992A1 - PROCEDURE FOR OBTAINING RESISTANCE TO VERY HIGH TEMPERATURES : en es
  • ES148058A1 - A PROCEDURE TO CONVERT NORMALLY GASEOUS PARAFINIC HYDROCARBONS : en es
  • CH216981A - Illuminating projectile. : en fr
  • ES148023A3 - CAPUCHINE GUIDE FOR PRINTING MACHINES : en es
  • DE711381C - Method of preventing oxide bloom : de en
  • DE711656C - Process for the production of lubricant-like products : de en
  • DK59068C - Syringe. : da en
  • DE703109C - Radio direction finder with compensation of the loading due to the need to clear the cloud : de en
  • DE710743C - Dry kickback protection : de en
  • FR867138A - Improvements in lamp manufacturing : en fr
  • US2257137A - Method of producing hydrogenation products of compounds of the cyclopentano-10,13-dimethyl polyhydrophenanthrene series : en
  • US2257378A - Hydraulic compressor : en
  • US2257671A - Buckle for belts : en
  • ES147965A1 - Improvements in or related to electrical systems of remote control. : en es
  • GB539953A - Improvements in internal combustion engines having a freely movable piston : en
  • ES6263U - Change of speeds for bicycles (Machine-translation by Google Translate, not legally binding) : en es
  • GB539999A - Improvements in typewriting machines : en
  • US2257172A - Winding and unwinding apparatus : en
  • DK59067C - Procedure for the production of ready-to-use, dry plaster bandages. : da en
  • GR9671B - SAFETY BALL FOR WHEELS OF OTHER WHEELS. : el en
  • ES148157A1 - A PROCEDURE FOR THE TREATMENT OF LINEAR CONDENSATION SYNTHETIC SUPERPOLIAMIDS : en es
  • GB540013A - Improvements in de-icing means for aircraft : en
  • FR51175E - Method of determining the position of a station by means of a rotating radio beacon : en fr
  • GB540023A - Improved marking for kerbs, roads and the like for the guidance of traffic : en
  • DE711373C - Release device for hiking piers : de en
  • DE711629C - Protective device for electrical devices that are air-cooled by means of a fan : de en
  • ES6146U - Unique tube-shaped belt for cycles, bicycles, stretcher and hand carts (Machine-translation by Google Translate, not legally binding) : en es
  • ES6291U - A wooden container box provided with special closure with suitable devices to contain bottles or jars in its various sizes (Machine-translation by Google Translate, not legally binding) : en es
  • DE711237C - Air separator : de en
  • DK59069C - Wood splitting machine. : da en
  • DE711499C - Sealing of the pistons of wheel brake cylinders of motor vehicles : de en
  • US2257121A - Thread cutting mechanism : en
  • ES148106A1 - AN EVERY DEVICE THAT ALLOWS INSTANTLY AND AUTOMATICALLY TO REPLACE, THROUGH A NEW ELECTRICAL CURRENT, THAT PROVIDED FROM THE FACTORY THAT SUPPLIES, IN THE EVENT OF A FAILURE IN THE SAME OR IN THE LINE OR, IF THE CONDUCTOR THREADS ARE CUT : en es
  • GB539949A - Improvements in or relating to yarn or like winding machines : en
  • CA399633A - Alternating-current apparatus : en fr
  • CH216966A - Camera with lens diaphragm moved by the power fluctuations of a photocell. : de en
  • DE711428C - Process for the production of viscose : de en
  • CA399676A - Receptacle : en fr
  • DE711606C - Firing : de en
  • ES148162A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF COMBINED TRAVIES OF ARMED AND WOOD CONCRETE : en es
  • PL30030B1 - : en pl
  • US2257547A - Solvent treating mineral oils : en
  • USD129731S - Design for a carton : en
  • CH216881A - Hoe. : de en
  • DE711698C - Contact wire crossing for wires of different polarity, voltage or type of current : de en
  • DE711679C - Circuit for generating, amplifying or rectifying vibrations : de en
  • GB540040A - Improvements in or relating to electrical contacts : en
  • US2257165A - Azo dyestuffs containing chromium in complex union : en
  • DE711449C - Process for determining the usability of active ingredients for technical use : de en
  • DE711566C - Machine for the continuous production of hollow bodies from plastic masses in the immersion process : de en
  • GB539920A - Improvements in limit gauges of the caliper type : en
  • GB539998A - Improved tool for use in stretching rubber tubing : en
  • US2257252A - Ball : en
  • DK59070C - Apparatus for Removing Hollow Bodies from Dipping Molds. : da en
  • ES147896A1 - A process for converting ordinary sugar into glucose, for use in the manufacture of candies, sweets, confectionery cream, cookies and the like. : en es
  • US2257453A - Hot-blast stove : en
  • CA399565A - Paper feeding apparatus : en fr
  • CH216917A - Cutlery box. : de en
  • US2257473A - Remote control system for toys : en
  • US2257568A - Communication system : en
  • USD129781S - Design for a dress : en
  • CA399580A - Bottle collar decapper : en fr
  • CH216986A - Device for the automatic measurement and control of a linear dimension of a workpiece. : en fr
  • ES148166A1 - A METHOD FOR TREATING CANS CLOSURES : en es
  • FR867109A - Condensation products of aminotriazines with aldehydes and compounds comprising alcoholic groups : en fr
  • ES6258U - Improved espadrille (Machine-translation by Google Translate, not legally binding) : en es
  • FR867146A - Electrical safety control device : en fr
  • AU9141A - Improvement in periodic wave repeaters : en
  • FR867131A - Carburetor with mixed gas veins for internal combustion engine accompanied by a generator for the formation of acetylene gas intended for the navy : en fr
  • FR867153A - New anchoring device in the ground : en fr
  • ES6289U - Cistern for toilet. (Machine-translation by Google Translate, not legally binding) : en es
  • DE711459C - Vessel with inserted electrical device, e.g. Transformer or capacitor, and through the closed cover insulator bushing : de en
  • DE711503C - Viewing hole for the doors of air raid shelters : de en
  • ES147916A2 - IMPROVEMENTS IN THE SYSTEM OF MACHINES FOR STAMPING AND PRINTING ON FABRIC, PAPER, LEATHER, CARDBOARD, CARTOON AND OTHER MATERIALS, WITH PURPURINES, FILM, VERY FINE METAL SHEETS AND GOLDEN OR OTHER METALS AND PASTA : en es
  • ES148113A3 - A PROCEDURE FOR OBTAINING SYNTHETIC WOOD FROM CHIPS OF ANY KIND OF FIREWOOD OR WOOD : en es
  • DE711487C - Circular sterilizer : de en
  • GB539896A - Improvements in or relating to machines for ornamenting shoes or parts thereof : en
  • US2257185A - Traction device for vehicle wheels : en
  • DE711696C - Adjustable wrench : de en
  • DE711594C - Receiver with automatic shrinkage control : de en
  • CH217046A - Housings for electrical equipment. : de en
  • AU114056B2 - Improvement in periodic wave repeaters : en
  • CA399712A - Garment : en fr
  • CH216955A - Stamp fold. : de en
  • CH217068A - Method for manufacturing an electron tube and electron tube manufactured by this method. : de en
  • CH217080A - Device for storing and dispensing liquid lip red. : de en
  • ES6242U - Bookend device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES6309U - A hood for a kitchen fireplace (Machine-translation by Google Translate, not legally binding) : en es
  • US2257521A - Backlash preventer for fishing reels : en
  • USD129735S - Design for a textile fabric : en
  • USD129785S - Design for a dress : en
  • PL30026B1 - A device for large tanks, used to extinguish burning liquids : en pl
  • US2257649A - Reinforcing element : en
  • CA399743A - Engine valve : en fr
  • CH216965A - Color sheets especially for carbonless accounting. : de en
  • CH217096A - Sign, especially for advertising. : de en
  • US2257100A - Method and apparatus for producing continuous photographic strips : en
  • US2257389A - Recovery of levulinic acid : en
  • PL30051B1 - 0. Lorenz Aktiengesellschaft, Berlin-Tempelhofmb bigo Ultra-short wave transmitter : en pl
  • PL30034B1 - Sageb Societe Anonyme de Gestion et d ^ Kploitation de brevets, Friborg : en pl
  • US2257161A - Distributing chute for concrete mixers : en
  • US2257446A - Material guide : en
  • CH217065A - Transformer protection with primary-side protection relay. : de en
  • US2257250A - Loop equipped radio receiver : en
  • US2257576A - Art of making vulcanized fiber : en
  • CA399683A - Wire stitching mechanism : en fr
  • US2257182A - Film splicing device : en
  • US2257591A - Displacement fluid meter : en
  • CA399572A - Cellulosic material treating apparatus : en fr
  • AU113903B2 - Rotary engine : en
  • CH217047A - Clamping device for electrical conductors. : en fr
  • US2257123A - Window construction : en
  • US2257421A - Screed chair : en
  • DE711509C - Process for the extraction of elemental sulfur from sulfur dioxide or gases containing such : de en
  • ES148234A3 - SET OF ARTICULATED LEVERS FOR ALTERNATING MOVEMENT OF THE THREAD BRAKE IN SEWING MACHINES : en es
  • DE711463C - Device for the optional playback of a light tone or a pin tone recording : de en
  • US2257345A - Hatch : en
  • US2257516A - Operator-protecting spray booth : en
  • US2257603A - Sealing element : en
  • AU113898B2 - Improvements in or relating tothe manufacture of rubber sheeting : en
  • ES147913A1 - A system of construction of floors with plates of reinforced concrete. : en es
  • ES6244U - New hinge or hinge. (Machine-translation by Google Translate, not legally binding) : en es
  • ES147932A1 - A mechanical chemical process for obtaining a textile fiber from broom or gayomba, and from chlorophyll, as coloring matter. : en es
  • ES147980A1 - A process for manufacturing acetyl cellulose objects, starting from a solution in solvents with or without recovery. : en es
  • FR867102A - Improvement in devices for using acetylene gas, as fuel for internal combustion engines : en fr
  • GB539969A - Improvements in electrical apparatus for indicating liquid levels : en
  • GB539955A - Improvements in keys for key-operated machines such as typewriters : en
  • GB539927A - An improved method for separating a ribbon of rubber threads into its individual threads and apparatus therefor : en
  • US2257650A - Agricultural machine : en
  • CA399556A - Braking means for dual wheels : en fr
  • CH217107A - Synchronizing device on dog clutches, in particular for gear change transmissions of motor vehicles. : de en
  • DE711281C - Arrangement for grid control of grid-controlled vapor or gas discharge vessels : de en
  • PL29992B1 - Hard alloy for cutting tools : en pl
  • US2257472A - Automatic control system : en
  • USRE21912E - Sanding control means : en
  • USD129718S - Design for a display stand : en
  • DE711610C - Hydraulic copying machine, in particular copy milling machine : de en
  • FR51179E - Method and device for reducing oxidized zinc ores : en fr
  • US2257209A - Slush pump valve : en
  • DE711480C - DF receiver with a periodically moving directional system : de en
  • DE711352C - Heating pack for permanent hair wave devices : de en
  • DE711485C - Lubricating oil : de en
  • ES148193A2 - IMPROVEMENTS IN CARBON BODIES WITH EMPTY ARMOR AROUND : en es
  • ES148125A3 - IMPROVEMENTS IN THE SPINNING NOZZLES : en es
  • US2257663A - Apparatus for producing interrupted alternating current : en
  • CA399568A - Fastening and sealing device : en fr
  • DE711264C - Device for increasing the reduced longitudinal stability of an aircraft when the control column is released : de en
  • ES148226A1 - ROTATING PROTECTOR FOR TANKS : en es
  • GB539912A - Process for the manufacture of new preparations containing the components for the production of ice colours and their application to textile printing : en
  • GB540046A - Improvements in apparatus for measuring and controlling the proportion of constituents in gaseous mixtures resulting from combustion : en
  • ES148045A1 - IMPROVEMENTS IN THE OBTAINING OF FORMWORK FOR CONCRETE : en es
  • DE711290C - Device for regulating the web speed in drying machines for fabric and paper webs : de en
  • US2257635A - Tennis net : en
  • US2257710A - Treatment of metallurgical dusts containing arsenic : en
  • US2257514A - Storage battery : en
  • ES148006A1 - NEW PROCEDURE OF ULTRARAPID DRYING OF INKS OR COLORS, PRINTED, STAMPED OR LITHOGRAPHED AND IMMUNIZATION ALSO ULTRARAPID OF THEM IN THE FIXING OF GOLD : en es
  • ES148097A1 - PROCEDURE TO PREVENT THE COLORATION OF THE SCALP FOR THE HAIR DYES : en es
  • GB540064A - Improvements in and relating to hobbing machines and the method of hobbing : en
  • FR867164A - Improvements to carburettor devices : en fr
  • FR867107A - Improvements in lead screws : en fr
  • FR867151A - Electric battery : en fr
  • ES148225A1 - SUSPENSION SYSTEM APPLICABLE TO VEHICLES TO CIRCULATE ALL OVER TERRAIN : en es
  • PL29986B1 - Method for the production of chromium compounds of mortar dyes, dissolving in organic solvents containing hydroxyl groups : en pl
  • US2257525A - Fastening device : en
  • GB539963A - Improvements in or relating to controlling the flow of cooling water to steam ejector condensers : en
  • US2257462A - Air conditioning system : en
  • USD129793S - Design for a dress : en
  • ES148213A1 - A PROCEDURE FOR MANUFACTURING PAPER PASTE : en es
  • DE711296C - Rotating cooling drum : de en
  • DE711371C - Template control for work machines : de en
  • FR51198E - Waterproof winding device for watches : en fr
  • US2257115A - Taximeter control device : en
  • US2257156A - Reclining seat : en
  • USD129720S - Shoe or similar article : en
  • USD129750S - Design for a handbag ob the like : en
  • GB539892A - Improvements in or relating to infinitely variable speed gears : en
  • CH217048A - Process for locally reinforcing the insulation of an electric cable, and insulation obtained by the implementation of this process. : en fr
  • DE711495C - Device for peeling, coring or sterilizing seeds and fruits : de en
  • ES148000A1 - A procedure to prevent sulfation in secondary batteries or batteries. : en es
  • GB539971A - Improvements relating to upright pianos : en
  • GB539943A - Improvements in or relating to crankshaft lathes : en
  • ES147853A1 - A car de-shredder machine. : en es
  • FR51155E - Improvements in stabilization means, particularly for ships, and applications of these means : en fr
  • DE711292C - Process for making cellulose or cellulose hydrate textiles water-repellent : de en
  • ES147870A1 - A zipper closure. : en es
  • ES6252U - Model of cremona. (Machine-translation by Google Translate, not legally binding) : en es
  • FR867184A - Universal rotary sheet printing machine : en fr
  • GB539923A - Improvements in or relating to file receptacle : en
  • FR867194A - Improvements to braking devices : en fr
  • GB539978A - Improvements in or relating to protective structures : en
  • ES147996A1 - Procedure for surface decoration in colors by transport of penetration into the pores of various materials. : en es
  • ES148059A1 - A PROCEDURE FOR OBTAINING DRY NATURAL COFFEE EXTRACT AND PRESENTED IN THE FORM OF COMPRESSED PILLS : en es
  • US2257227A - Night stick : en
  • ES148229A3 - PROCEDURE FOR THE REPAIR, FROM ETHYL ALCOHOL, OF A COMBUSTIBLE VOLATILE LIQUID CONTAINING ETHER : en es
  • FR51164E - Doser-degasser for oil circulation in explosion engines : en fr
  • GB540006A - Improvements in or relating to the manufacture of non-metallic sliding clasp fasteners : en
  • DE711431C - Device for automatic switching of the longitudinal movement of the ribbon on typewriters : de en
  • FR867193A - Improvements to the process of converting isoparaffinic hydrocarbons into hydrocarbons of higher molecular weight : en fr
  • US2257122A - Type soldering gauge : en
  • GB540052A - Process for rendering wool mixture textile materials unshrinkable : en
  • US2257681A - Apparatus for making cellular glass blocks : en
  • DE711295C - Device to protect the superheater against burning in marine water tube boilers with oil or underwind firing : de en
  • CH217115A - Axle linkage on rail vehicles with external axle bearings. : de en
  • PL30033B1 - TV set : en pl
  • PL30004B1 - Kohlenscheidungs-Gesellschaft mit beschrankter Haftung, Berlin Dust fuel steam boiler furnace : en pl
  • CA399631A - Air conditioning apparatus : en fr
  • DE711363C - Electrically controlled air conveyor system for storage with several good containers : de en
  • US2257333A - Automatic clutch and transmission gearing : en
  • US2257634A - Tennis net : en
  • USD129708S - Stud button or similar article : en
  • US2257164A - Air conditioning unit : en
  • US2257326A - Billiard cue : en
  • DK59061C - Ignition device for gas stoves, gas washing boilers and similar gas-fired appliances with ignition burner and head burner. : da en
  • US2257489A - Storage battery : en
  • DE711265C - Device for automatically locking and releasing the separable, non-positively connected transmission elements on control rods in aircraft with separable wings : de en
  • ES147909A1 - Improvements in or relative to radio direction-finding receivers. : en es
  • ES148120A1 - A DISPOSITION OF CHANNELS FOR CHIMNEYS OR CHANNELS OF FLAME OF HOUSEHOLDS FOR CALDING BOILERS OR OTHER PURPOSES : en es
  • ES148121A1 - TRANSPORTABLE MINING LAMP ESPECIALLY WITH ELECTRIC BATTERY : en es
  • DE711350C - Process for the production of spun fibers from raw hard fibers : de en
  • DE711254C - Receiving relay for remote control systems : de en
  • DE711693C - Suspension device for parallelogram drawing devices : de en
  • USRE21914E - Commutation system : en
  • CH217004A - Process for the production of an electrodynamic magnet system for acoustic devices. : de en
  • US2257501A - Grinding machine : en
  • US2257595A - Paint for simulating wood grain : en
  • US2257715A - Snap lock cover can : en
  • CA399635A - Electromagnet coil support : en fr
  • CH217003A - Doll with record player. : de en
  • US2257241A - Sash and store front construction : en
  • USD129782S - Design for a dress : en
  • CA399700A - Beverage brewing device : en fr
  • ES147989A1 - Gear change system with two chains for bicycles. : en es
  • CH216891A - Regulating device controlled by a liquid level. : de en
  • USD129707S - Design for a miniature shrine : en
  • CH216948A - Process for deliming ashed pelts. : de en
  • CH216972A - Image for incident light projection and process of making that image. : de en
  • PL30024B3 - Hans Kattwinkel, Radebeul Double friction clutch, especially for motor vehicles : en pl
  • SE102648C1 - : en
  • US2257341A - Fruit treating machine : en
  • US2257686A - Strainer : en
  • US2257713A - Metal treating : en
  • GB540003A - Improvements in air filter closures for containers : en
  • ES147888A1 - Internal combustion machine, four-stroke, with double eccentric control. : en es
  • US2257211A - Seat : en
  • DE711534C - Electrolytic production of water-insoluble metal compounds : de en
  • GB539913A - Improvements in and relating to earth borers : en
  • US2257223A - Rammer, especially for road making : en
  • US2257598A - Separable frame and connected block structure : en
  • ES147934A1 - Improvements in telephones for warships and similar. : en es
  • US2257667A - Luminescent material : en
  • DE711465C - Printing unit for cash registers or accounting machines : de en
  • ES148165A1 - A PROCEDURE FOR THE OBTAINING OF UNSATURATED KETONES WITH A TERMINAL VINYL GROUP : en es
  • CA399656A - Overhead garage door : en fr
  • US2257451A - Ironing member : en
  • US2257622A - Spark plug tester : en
  • US2257154A - Ornament : en
  • US2257352A - Beet handling apparatus : en
  • CH216976A - Sled made with the help of skis. : de en
  • DE711695C - Shutter drive for single and double shutter stop : de en
  • ES147868A3 - An injector with automatic closure of the spill valve. : en es
  • GB539907A - A new or improved compound sheet material or fabric : en
  • CA399636A - Clutch : en fr
  • CA399721A - Storage battery : en fr
  • BE442569A - Guanamines and their preparation process : en fr
  • CA399740A - Weaving device : en fr
  • DE711650C - Process for the production of molded bodies from silicon or its alloys : de en
  • US2257256A - Flute grinding apparatus : en
  • AU113895B2 - Improvements in or relating to hot cathode rectifiers filled with mercury vapour : en
  • US2257546A - Self-propelled machine for handling forgings : en
  • PL30052B1 - A method of refining, enriching, opening, splitting, lengthening, etc. of liquid or pasty masses containing fat or oil, and an apparatus for carrying out this method : en pl
  • USD129709S - Design for a spoon or similar article : en
  • DE711613C - Tunneling machine for driving underground routes : de en
  • CH216932A - Metal frame comprising a protective part and its device for fixing to a solid body. : en fr
  • CH216935A - Process for using the smoke produced in wood gasifiers. : de en
  • CA399670A - Record controlled machine : en fr
  • CH217127A - Process for the preparation of an aromatic sulfohalide sulfonic acid. : de en
  • US2257346A - Power transmitting unit : en
  • CA399628A - Dynamo-electric machine control system : en fr
  • US2257247A - Vegetable display case : en
  • USD129795S - Embroidered lace fabric or similar article : en
  • DE711313C - Arrangement for achieving a permanently constant power factor in a phase converter provided with a fixed primary and secondary part : de en
  • US2257130A - Magnesium primary cell : en
  • US2257419A - Lighting fixture : en
  • DE711319C - Control for electric motor drives, in particular for hoists : de en
  • US2257254A - Cinematographic apparatus : en
  • US2257582A - Unitary solenoid and valve assembly : en
  • AU371440A - Improvements in or relating to hot cathode rectifiers filled with mercury vapour : en
  • ES147938A1 - Procedure to convert normally gaseous hydrocarbons. : en es
  • US2257092A - Frequency-modulated carriersignal translating system : en
  • US2257625A - Cabinet construction : en
  • GB539944A - Lifting jacks or extensible tripods : en
  • US2257563A - Nontilting fifth wheel : en
  • DE711554C - Arrangement for measuring electrical resistances, conductivities or capacities by determining the frequency changes of breakover vibrations : de en
  • GB540070A - Improvements relating to starting switches for electric motors : en
  • US2257445A - Rheostat : en
  • USD129779S - Design for a dress : en
  • DE711460C - Production of active carbon black : de en
  • DK59073C - Teat cup for milking machines. : da en
  • GB539964A - Improvements in or relating to retractable undercarriages for aircraft : en
  • GB540028A - Improvements in sliding clasp fasteners : en
  • US2257282A - Frequency modulation of signals : en
  • CA399560A - Slip : en fr
  • CA399723A - Hormone compound : en fr
  • CH217099A - Spring chain. : de en
  • DE711549C - Double frame direction finder with visual indicator : de en
  • GB540045A - Improvements relating to the dehydrogenation of paraffins and paraffin-olefin mixtures : en
  • US2257203A - Proportional control system : en
  • DE711272C - Device for pulling up a long length of fabric that serves as a flag : de en
  • ES148156A1 - IMPROVEMENTS IN THE DEVICES FOR THE TRANSMISSION OF MOVEMENTS : en es
  • GB539961A - Process for the production of aminoaryl sulphonic acid derivatives, and the like resulting products : en
  • US2257192A - Combination dishwasher and drainer : en
  • US2257555A - Suction cleaner : en
  • US2257567A - Garbage disposal plant sorting apparatus : en
  • US2257086A - Treating hydrocarbon fluids : en
  • CH217027A - Axial rolling element bearings. : de en
  • ES147948A1 - A six-piece fire extinguishing device for automobiles. : en es
  • ES148197A1 - A CONTINUOUS ELECTRODE : en es
  • US2257111A - Removing fluorides from drinking water : en
  • US2257283A - Solvent refining process : en
  • US2257459A - Attachment for power saws : en
  • US2257142A - Container : en
  • DE711612C - Process for the production of packages : de en
  • ES148032A1 - AUTOMATIC CONTROL LIMITATION DEVICE FOR FLYING MACHINES AND FLYING MACHINES PROVIDED WITH THAT DEVICE : en es
  • US2257145A - Toy bugle : en
  • CA399605A - Washing machine agitator : en fr
  • CH217150A - Process for preparing a cyclic sulfonic acid amide compound. : de en
  • DE711406C - Packaging machine, in particular for producing, filling and closing packs : de en
  • DK59065C - Device for multi-cylinder compressors for separating the lubricating oil from the gaseous medium. : da en
  • US2257381A - Folding check cover : en
  • US2257416A - Traveling grate : en
  • US2257618A - Brake means for baggage trucks : en
  • FR51172E - Ammunition casings made from organic materials and their manufacturing processes : en fr
  • GB540032A - New process for the manufacture of 2-amino thiazole : en
  • DE711524C - Boiling water heater : de en
  • GB540035A - Improvements in electric motor control systems : en
  • US2257344A - Screen pipe : en
  • PL30010B1 - 0. Lorenz Aktiengesellschaft, Berlin-Tempelhof Television receiving device with intermediate frequency repeater : en pl
  • FR867160A - Improvements made to closing devices : en fr
  • GB539929A - Improvements in or relating to windscreen wiper blades : en
  • DE711605C - Regenerative gas heater : de en
  • DE711351C - Device for closing ampoules or other hollow glass bodies : de en
  • US2257487A - Bread cooler : en
  • US2257709A - Dental appliance : en
  • US2257297A - Absorption of olefins in acid liquors : en
  • US2257566A - Welding electrode and method of forming the same : en
  • PL30038B1 - A device in steam locomotives, enabling the achievement of fuel savings and preventing the harmful effects of cold air, penetrating into the furnace and smoke box, on the steam locomotive sieve walls : en pl
  • ES148046A1 - PROCEDURE FOR THE MANUFACTURE OF BOILERS : en es
  • ES147986A1 - : es
  • ES148163A1 - IMPROVEMENTS IN ARTIFICIAL CARBON COLLECTORS WITH SYMMETRICAL DISTRIBUTION OF THE CURRENT : en es
  • FR51195E - Inductor for magnetic separators intended for the separation of ferrous materials mixed with diamagnetic materials : en fr
  • CH216989A - System for modulating high-frequency energy. : de en
  • US2257179A - Method for producing improved motor fuels : en
  • CH216961A - Address printing machine. : de en
  • CH217106A - Device for transporting slag pots and the like over stairs. : de en
  • US2257245A - Dehorning device : en
  • US2257270A - Gun perforator for well casings : en
  • ES147999A1 - A new axle support. : en es
  • ES148052A1 - IMPROVEMENTS IN THE MANUFACTURE OF GLASSES AND INASILABLE GLASSES : en es
  • ES148135A1 - ELECTROCHEMICAL PROCEDURE FOR SHARPENING LIMES, SLIDES, SAWS AND SIMILAR SHEETS : en es
  • ES6321U - Suspension of springs without frame for mattresses, sofas, cushions and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • CA399627A - Tube cooling jacket fabrication : en fr
  • CH217058A - Circuit switch. : en fr
  • DE711403C - Deposit ID : de en
  • ES147883A1 - PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF CYCLOPENTANOPHENANTRENE : en es
  • US2257471A - Temperature control system : en
  • US2257507A - Pumping apparatus : en
  • US2257657A - Tire chain tool : en
  • US2257141A - Surgical knife : en
  • US2257147A - Method and apparatus for canning fruits for salads : en
  • USRE21910E - Apparatus for reduction : en
  • US2257190A - Azo dye compositions : en
  • CH216993A - Scale with hydraulic pressure transmission. : de en
  • CH217075A - Vacuum-tight electrical feedthrough, especially for mercury vapor rectifiers with metal cylinders. : de en
  • US2257545A - Detergent composition : en
  • USD129756S - Design fob a dress : en
  • FR867112A - New anthraquinone derivatives : en fr
  • GB540031A - Electric retarded action switch : en
  • ES147875A1 - Procedure for obtaining stilbene dyes. : en es
  • PL29998B1 - Air guidance device, cooling the engine, located at the rear of the motor vehicle with air lines : en pl
  • USD129766S - Design foe a textile fabric : en
  • FR867130A - Dry gas meter : en fr
  • FR867123A - Dry gas meter controlled by drawers : en fr
  • BE442496A - : en
  • US2257670A - Electric broiler : en
  • CH216947A - Process for removing chrome from chrome leather waste. : de en
  • DE711536C - Electrolytic water separator of the filter press design : de en
  • FR51186E - Higher hydrocarbon copolymers : en fr
  • ES148124A1 - IMPROVEMENTS IN THE PROCEDURES FOR OBTAINING THE CELLULOSE : en es
  • US2257361A - Material handling magnet control : en
  • US2257368A - Hose well : en
  • AU91841A - Improvements in or relating tothe manufacture of rubber sheeting : en
  • AU113897B2 - Improvements in or relating to capstans or like hauling means : en
  • ES147890A1 - A telegraph system. : en es
  • CH216979A - Shooting and chassis for large-caliber shoulder weapons, especially tank rifles. : de en
  • US2257316A - Door bottom painter : en
  • USD129738S - Design for a babrette : en
  • ES147903A1 - A centering point with automatic regulation of the axial pressure for lathes, grinders and similar. : en es
  • ES148037A1 - PORTABLE ELECTRIC LAMP, ELECTROMAGNETIC SUSPENSION, FOR USE IN AUTOMOBILES : en es
  • AU113889B2 - Improvements in and relating tothe production of pastes from polymerized vinyl chloride : en
  • ES148245A1 - A NEW PROCEDURE TO OBTAIN ARTIFICIALLY COMMON SALT BLOCKS IN THEIR DIFFERENT FORMS : en es
  • GB540008A - Improvements in electrical apparatus for indicating liquid levels : en
  • CA399578A - Pre-wrapped box : en fr
  • ES148196A1 - NEW SYSTEM TO IMPRESS THE NEGATIVE OF SOUND AND THE CORRESPONDING POSITIVE OF FILM FILMS : en es
  • CA399750A - Anthraquinone dyestuff : en fr
  • BE442469A - : en
  • ES148102A2 - A LIQUID DISTRIBUTOR APPARATUS WITH PREDETERMINATION BY DRUMS : en es
  • ES6290U - Cradle or bed with swing by electric mechanism. (Machine-translation by Google Translate, not legally binding) : en es
  • GB539990A - Improvements in or relating to the electric couplings : en
  • GR9673B - WHEAT AND STARCH FOOD. : el en
  • US2257230A - Glass inspection apparatus : en
  • CA399639A - Soap manufacture : en fr
  • PL29989B1 - : en pl
  • PL30031B1 - : en pl
  • CA399728A - Endless conveyer feeding device : en fr
  • US2257515A - Bottle and closure therefor : en
  • DE711577C - End plate for wheel enclosures of motor vehicles : de en
  • US2257422A - Joint for wheel suspension devices : en
  • USD129734S - Design for a textile fabric : en
  • CA399722A - Storage battery : en fr
  • CA399741A - Textile material processing : en fr
  • CA399672A - Accounting machine : en fr
  • DK59074C - Device at Kobaase for cleaning these. : da en
  • CA399586A - Fabric treating apparatus : en fr
  • DE711597C - Pull switch with a pulling device attached to the switch cover : de en
  • US2257237A - Wheel structure : en
  • CH217118A - Motor mounting for electric traction vehicles. : de en
  • CH217145A - Process for the production of coatings with high heat radiation capacity and low secondary emission in discharge tubes. : de en
  • CH217074A - Single-anode converters. : de en
  • DE711619C - Device for separating solids and water from a mixture containing specific fluids of different weights, in particular from low-viscosity fuels : de en
  • DE711652C - Process for mercerizing : de en
  • GB540054A - Improvements in method of and apparatus for drying fabric : en
  • CA399641A - Container vacuumizing and capping machine : en fr
  • CH216889A - Set of construction elements for the production of formwork of various sizes for concrete structures. : de en
  • FR867166A - Disposal in refrigeration absorption or adsorption equipment : en fr
  • ES148178A2 - IMPROVEMENTS INTRODUCED IN THE MAIN PATENT : en es
  • PL30037B1 - : en pl
  • CA399688A - Air brake : en fr
  • DE711448C - Device for measuring the duration of the protective effect of protective substances : de en
  • FR867114A - Heat recovery unit for heating devices : en fr
  • ES148250A1 - CARBON BURNER, MANUFACTURED, INTENDED FOR THE CENTRAL HEATING OF BUILDINGS AND INDUSTRIAL PURPOSES : en es
  • FR867176A - Improvements made to or relating to devices intended to prevent the accumulation of ice on a profiled body : en fr
  • PL30039B1 - Device for loading and unloading cartridge tapes : en pl
  • ES148238A1 - A FIRE DETECTOR THAT CAN AUTOMATICALLY ACTIVATE AN EXTINGUISHING INSTALLATION : en es
  • GB539987A - Improved apparatus for teaching music : en
  • US2257228A - Pile fabric loom construction : en
  • ES148099A1 - A PROCEDURE TO CONVERT NORMALLY GASEOUS PARAFINIC HYDROCARBONS : en es
  • DE711316C - Process for the catalytic cracking of hydrocarbon oils : de en
  • DE711678C - Electric motor with an axially displaceable output shaft : de en
  • GB539993A - Improvements relating to rotary mould table and other hydraulic presses for the manufacture of concrete products : en
  • CA399632A - Discharge device compensator : en fr
  • DE711279C - Two-axle bogie for rail vehicles : de en
  • ES148176A1 - A LIQUID IMPULSE INSTALLATION : en es
  • USD129741S - Ice-cream cone tray or similar article : en
  • US2257150A - Swinging footrest : en
  • USD129729S - Design for a garment rack : en
  • USRE21915E - Roofing granules and method of : en
  • DE711330C - Electrically heated brush : de en
  • ES147904A1 - A double valve for gas meters of four measuring chambers (dry or liquid meters). : en es
  • FR867133A - Ovens intended for the mechanical production of charcoal with semi-automatic and automatic operation : en fr
  • DK59078C - Brake mechanism for prams. : da en
  • USD129728S - Dispenser closure top or similar article : en
  • DE711261C - Arrangement for deflecting the electron beam moving on a circular path at Braunschen Roehren for short-term measurement : de en
  • ES147955A3 - A process for preparing a composite reflector. : en es
  • ES148021A1 - IMPROVEMENTS IN RUBBER CRUSHING MACHINES : en es
  • GB539992A - Electrolytic cell : en
  • DE711673C - Glide slope landing procedure : de en
  • DE711395C - Adding machine : de en
  • CH216914A - Toilet mirror. : de en
  • ES6251U - Material for the construction of roofs. (Machine-translation by Google Translate, not legally binding) : en es
  • ES6298U - Hard-shelled fruit splitter, especially walnuts. : en es
  • FR51184E - Hydrocarbon alkylation improvements : en fr
  • GB539898A - Automatically adjustable clearance regulator for the valve gear of internal combustion engines : en
  • GB540005A - Electro-plating method and apparatus : en
  • USD129697S - Embroidered fabric trimming or similar article : en
  • USD129725S - Design for a textile fabric or simi- lar article : en
  • ES148172A1 - PROCEDURE FOR THE DISSOCIATION OF FATS : en es
  • FR51162E - Freewheel hub, single or double, for bicycles and other applications : en fr
  • FR867158A - Fuel materials for self-propelled projectiles : en fr
  • ES148104A1 - A STEADY ATTEMPT WARNING DEVICE THAT ALSO CAN AUTOMATICALLY NOTIFY IF A CASE OR EASILY TRANSPORTABLE OBJECT HAS BEEN CHANGED FROM THE SITE OR IN THE POSITION IN WHICH IT WAS LEFT : en es
  • US2257199A - Vacuum breaker : en
  • DE711379C - Process for the production of highly effective substances from the posterior pituitary gland : de en
  • ES6273U - Azufriºes provided with an internal wire. (Machine-translation by Google Translate, not legally binding) : en es
  • ES148242A1 - PROCEDURE FOR THE OBTAINING AND UTILIZATION OF PHOSPHONY COMPOUNDS : en es
  • DE711332C - Process for making chromans : de en
  • DE711537C - Process and device for the production of sulfur dioxide by burning sulfur with oxygen : de en
  • ES147967A1 - Improvements in or relating to devices for coupling transformers. : en es
  • DE711285C - compass : de en
  • FR867129A - Consumption meter : en fr
  • US2257399A - Gaseous fuel cookstove : en
  • US2257506A - Flatiron : en
  • US2257614A - Internal combustion engine : en
  • DE711404C - Ventilation device for motor vehicles : de en
  • DE711665C - Process for the preparation of tertiary p-oxyalkylaminoaryl aldehydes : de en
  • DK59062C - Lynlaasled. : da en
  • US2257376A - Loop spreading tool : en
  • US2257331A - Fundus camera : en
  • USD129746S - Design for a damper operator : en
  • US2257648A - Reinforcing element and method of manufacture : en
  • US2257700A - Strap end retainer : en
  • CA399677A - Carton : en fr
  • CH216899A - Method and device for heating a fluid. : de en
  • CH216926A - Stitch adjusting device on zigzag sewing machine. : de en
  • DE711486C - Oxidation-resistant lubricating oils and greases : de en
  • ES148235A1 - A PROCEDURE OF MACERATION OF FIBROUS PLANTS : en es
  • ES147886A3 - Improvements introduced in the manufacturing process for liners and piston rings (segments) for internal combustion engines. : en es
  • US2257224A - Ophthalmic mounting : en
  • US2257613A - Steering apparatus : en
  • US2257414A - Thread stand : en
  • ES148190A1 - A SPHERICAL CASSETTE PARACHUTE THAT CAN BE RELEASED FROM A PLANE AT A GREAT SPEED OR AT A NORMAL SPEED : en es
  • PL30048B1 - Pief electron tube : en pl
  • US2257588A - Stoker : en
  • ES148090A3 - IMPROVEMENTS IN THE MANUFACTURE OF SPRING PADDING FOR SITTING AND LYING FURNITURE : en es
  • PL30019B1 - A method of producing plush knitted fabrics and a flat knitting machine with darts, each of which is provided with a protruding projection for the plush thread, used to carry out this method : en pl
  • US2257696A - Bovine mouth speculum : en
  • USD129748S - Design fob a hat ok similar article : en
  • FR867196A - Apparatus for producing analgesia : en fr
  • ES147944A1 - A machine for brightening skins with adjustable and inclined table. : en es
  • DE711646C - Seat with foldable backrest, especially for motor vehicles : de en
  • DE711649C - Concrete centrifugal machine : de en
  • DE711634C - Dental contra-angle with a gear drive arranged in the contra-angle head : de en
  • DE711676C - High frequency voltmeter for high voltages : de en
  • FR51185E - Apparatus for the treatment of liquids electronically : en fr
  • BE442596A - : en
  • CA399612A - Glass manufacture : en fr
  • CH217146A - Process for the preparation of 17-methyl-androstenol-17-one-3. : de en
  • US2257340A - Folded article : en
  • ES6285U - New piston or plunger for injection syringes. (Machine-translation by Google Translate, not legally binding) : en es
  • FR51188E - Process for bleaching textile fibers and suitable apparatus for carrying out this process : en fr
  • US2257365A - Vehicle body construction : en
  • US2257244A - Oil and water separator : en
  • PL30060B1 - A method of producing fine-grained potato starch : en pl
  • CH216941A - Process for the preparation of a new aminotriazine derivative. : de en
  • US2257720A - Water heater : en
  • US2257484A - Overhead door construction : en
  • CH217108A - Body for floor buses. : de en
  • CA399561A - Lighter filling device : en fr
  • CH217121A - Pressure medium-operated control device with pre-control and main control element, in particular for motorized rudder adjustment devices in aircraft. : de en
  • CH217149A - Process for preparing a cyclic sulfonic acid amide compound. : de en
  • CH216951A - Process for depositing a light metal on a support by thermal evaporation in a vacuum, and apparatus for carrying out this process. : en fr
  • AU113905B2 - Improvements in domestic compression type refrigerators : en
  • CA399684A - Power plant : en fr
  • DE711457C - Installation on grinding shoes that are used to collect power from overhead lines : de en
  • FR867135A - Strainer gasifier : en fr
  • ES6243U - Improvement in rubber footwear (Machine-translation by Google Translate, not legally binding) : en es
  • ES6306U - Bell perfected for bicycles. (Machine-translation by Google Translate, not legally binding) : en es
  • DE711358C - Rubber sealing ring with a cruciform cross-section : de en
  • ES148015A1 - IMPROVEMENTS IN ARTIFICIAL CARBON COLLECTORS : en es
  • ES148063A1 - PROCEDURE FOR MANUFACTURING A NEW PRODUCT TO CLEAN AND POLISH FLOORING AND FURNITURE : en es
  • FR51200E - Improvements to hydraulic transmissions : en fr
  • PL30066B1 - : en pl
  • US2257519A - Method of treating "vinyon" and "vinyon" combined with other fibers : en
  • US2257397A - Top burner closure structure : en
  • ES6232U - Shock absorber applicable to water taps. (Machine-translation by Google Translate, not legally binding) : en es
  • CA399649A - Cathode ray tube : en fr
  • CA399745A - Foot muscle exercising machine : en fr
  • US2257367A - Wire spring : en
  • US2257385A - Storage water heater : en
  • US2257160A - Stick holding device : en
  • DE711552C - Circuit arrangement for suppressing high-voltage power lines from radio receivers or sources of interference : de en
  • US2257231A - Vent protector for air brake pressure retaining valves : en
  • DE711425C - Process for the manufacture of low bulk weight sodium perborate : de en
  • FR867127A - Further training in pneumatic switches : en fr
  • AU113879B2 - Portable power circular saw : en
  • DE710380C - Exchangeable pen with lead carriers that can be moved against the action of return springs by sliding keys : de en
  • DE711236C - Electromagnetic light control device for sound recording : de en
  • PL30056B1 - Method of hardening shapes from reaction mixtures for thermal preparation of magnesium from dolomite or magnesite : en pl
  • US2257189A - Discharge printing of fabrics, etc. : en
  • US2257413A - Envelope or container : en
  • DE700334C - Safety device against backflow of explosive gas mixtures in gas pipes : de en
  • DE711391C - Insoluble anode for electrodeposition processes : de en
  • CA399661A - Respirator mask : en fr
  • CH216988A - Device for measuring and testing objects. : de en
  • PL30000B1 - Fire extinguishing foam device : en pl
  • US2257243A - Method and apparatus for closing paper containers : en
  • CA399585A - Rubber product : en fr
  • CA399609A - Electric socket : en fr
  • CH217089A - Removable and tunable antenna, for transportable radio communication devices. : en fr
  • US2257574A - Vacuum cleaner : en
  • CH216911A - Gas stove or the like with removable drip trays. : de en
  • CH216964A - Color stripes, primarily for carbonless accounting. : de en
  • PL29993B1 - A method of producing a bearing alloy containing lead : en pl
  • CH216999A - Booking facility. : de en
  • CH217076A - Squib holder. : de en
  • DE711567C - Method for producing one or more flanges on hollow cylinders : de en
  • CA399733A - Cellulosic sheet material : en fr
  • DE711389C - Joint closure for containers and other systems for holding liquids : de en
  • DE711401C - Arrangement for sealing metallic vacuum vessels, in particular cathode sputtering apparatus : de en
  • DE711427C - Process for the production of pure, liquid ammonia from calcium cyanamide : de en
  • FR867177A - Friction clutches improvements : en fr
  • AU390240A - Instrument mounting and fastener therefor : en
  • DE711630C - Electrical system for generating high voltages : de en
  • DE711694C - Conveyor device for dust-like or fine-grained bulk goods with a conveyor screw and a blow stream introduced at the end of the screw for loosening and transporting the material : de en
  • AU340740A - Portable power circular saw : en
  • PL30025B1 - The method of measuring electrical quantities : en pl
  • CH217060A - Rotary contact device for monitoring movement processes. : de en
  • CA399706A - Vehicle air conditioning apparatus : en fr
  • DE711596C - Built-in pull switch with a switch base surrounding the switch room : de en
  • ES147863A3 - A hand-operated mechanical mower or mower for wheat and hay. : en es
  • US2257225A - Sub-casing-head take-off for wells : en
  • PL30029B1 - Suction device for supplying liquid foam concentrate to the circulation of the pumps handling the water, connected between the high and low pressure sides of the pump : en pl
  • US2257093A - Dinitro-benzotrifluoride compounds : en
  • CH217098A - Device that can be used as a backpack, consisting of a sleeping bag with a carrying frame. : de en
  • ES148192A2 - IMPROVEMENTS OR IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE MAIN PATENT : en es
  • BE442421A - Equipment for adjusting tape tension in taping machines, especially for conductors and electric cables : en fr
  • GB540060A - Improvements in oil coolers : en
  • USD129773S - Design for a dkess : en
  • CA399692A - Hair curler : en fr
  • CH216936A - Device for the continuous implementation of adsorption processes. : de en
  • ES148075A1 - A HEAT PRODUCTIVE CELL FOR LOW TEMPERATURE ELECTRIC OVENS : en es
  • ES148219A1 - PROCEDURE FOR MANUFACTURING METALLIC ARTS : en es
  • CA399660A - Rubber vulcanizing process : en fr
  • CA399707A - Gas turbine plant : en fr
  • US2257127A - Airplane flush type formation light : en
  • PL30047B1 - A method of producing relaxation vibrations and an apparatus for generating relaxation vibrations by this method, especially for use in television equipment : en pl
  • US2257434A - Motor fuel : en
  • CH217001A - Method for duplicating sound bands with mechanical sound writing by means of a band-shaped male mold. : de en
  • CH217136A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • CA399701A - Current transformer : en fr
  • US2257490A - Lithographic machine : en
  • CA399658A - Measuring tap : en fr
  • CH217073A - Formed coil wound from flat ribbon. : de en
  • CA399583A - Key and key hole illumination : en fr
  • US2257534A - Windshield wiper motor : en
  • DE711369C - Electrode system for beam concentration for cathode ray tubes : de en
  • DE711553C - Device for briefly closing and opening AC circuits : de en
  • FR51194E - Blinker : en fr
  • US2257267A - Percussive tool : en
  • CA399726A - Fabric reinforcing machine : en fr
  • CH217084A - Self-seller for electricity, gas, water or the like. : de en
  • CH217122A - Ventilation system in tunnels, especially road tunnels. : de en
  • DE711398C - Connection in which a bolt driven into a recess drives apart a soft metal insert connected to it by changing its shape : de en
  • ES6267U - A new beach shoe with sole tabicada (Machine-translation by Google Translate, not legally binding) : en es
  • DE711443C - Fastening device for door frames u. like : de en
  • DE711468C - Device for automatic control of thread tension in clippers : de en
  • CH216975A - Device serving as a replacement tip for skis. : de en
  • CH217042A - Heat exchanger. : de en
  • CH216938A - Process for obtaining acrolein. : de en
  • US2257263A - Audiometer : en
  • US2257373A - Method and apparatus for coating sheet material : en
  • US2257589A - Screw threaded element : en
  • AU402240A - Improvements in or relating to photoflash lamps : en
  • CA399574A - Pulverized material spreading machine : en fr
  • US2257143A - Reproduction process : en
  • US2257629A - Manifold : en
  • US2257642A - Oil drain valve for internal combustion engines : en
  • CH216953A - Form piece from which a box is to be made by folding. : de en
  • CA399738A - Direct warping apparatus : en fr
  • DE711515C - Exhaust gas blower : de en
  • US2257406A - Supporting plane for hydroplanes : en
  • DE702674C - Stereoscopic recording camera : de en
  • CH217016A - Process for the production of electrical resistance welds on copper. : de en
  • US2257438A - Rifling tool : en
  • CA399599A - Heat transfer device : en fr
  • CH217086A - Circuit arrangement for telephone systems. : de en
  • PL29994B1 - Method for the production of a petrol-soluble oil-resin screed containing non-oxidizing oils or fats : en pl
  • US2257251A - Distributing apparatus of the piston and cylinder type : en
  • CA399570A - Bottle carrier : en fr
  • CH216895A - Portable heater. : en fr
  • CH216906A - Gas generator with downward gasification. : de en
  • DE711504C - Magnetic coupling for model and toy trains : de en
  • DE711582C - Garbage truck with a screw conveyor built into the surrounding garbage container : de en
  • CH217093A - Method for casting bells. : de en
  • FR867120A - Electric wave detection system : en fr
  • ES6283U - Articulated joint clamp. (Machine-translation by Google Translate, not legally binding) : en es
  • PL30022B1 - A device that indicates the operation of a motor vehicle, whether the vehicle is moving according to a timetable, whether the vehicle is delayed or accelerated, or whether certain activities in an office or workshop are taking place at the right time : en pl
  • CH216910A - Gas stove or the like with at least one removable burner supported at both ends. : de en
  • US2257114A - Application of drilling fluids : en
  • CA399650A - Electrical oscillation generator : en fr
  • CH217038A - Pistons with piston rings in pressure cylinders. : de en
  • CH216901A - Method of attaching reinforced hubs to ceramic radiator members for hot water and steam heating. : de en
  • DE711492C - Zipper : de en
  • US2257148A - Capillary active product : en
  • US2257242A - Packing bench : en
  • CH216900A - Electric radiator. : de en
  • US2257337A - Dental amalgamator : en
  • US2257606A - Combination dispenser and cleaning brush : en
  • CA399554A - Battery filling and venting device : en fr
  • US2257166A - Crusher and pulverizer : en
  • PL30050B1 - Regulating device for varying the amount of fuel injected in internal combustion engines with freely moving pistons : en pl
  • CA399705A - Vehicle air conditioning system : en fr
  • ES147874A1 - Variable reaction regenerative circuit with change of frequency tunable from normal wave to extra-short wave or vice versa, by means of a switch. : en es
  • FR867155A - Improvements to devices, electrically or mechanically operated, for dry cutting or shaving hair : en fr
  • US2257398A - Cooking top support : en
  • US2257134A - Water closet construction : en
  • US2257175A - Railway switch lamp : en
  • DK59075C - Plate for Heat Treatment of Milk. : da en
  • USD129745S - Design for a heatek : en
  • ES6280U - Cardboard container with sliding door for granular or powder products. (Machine-translation by Google Translate, not legally binding) : en es
  • CA399681A - Rotary pump : en fr
  • CH216922A - Method and device for drawing synthetic threads, preferably those made of viscose. : de en
  • USRE21908E - Shock absorber : en
  • GB540061A - Improvements in honing machines : en
  • CH217041A - Process and device for cooling alkali cellulose which has been shredded at a higher temperature or is pre-ripened and comminuted. : de en
  • CH216944A - Process for the preparation of 2-amino-4-methyl-thiazole. : de en
  • ES147864A1 - A procedure for obtaining a beauty product. : en es
  • US2257335A - Tool joint welding : en
  • AU359440A - Improvements in or relating to tubular andother metal scaffolding and like structures : en
  • US2257259A - High frequency communication cable : en
  • US2257672A - Sand sampler : en
  • ES148148A3 - TRIPLE MOVEMENT PELVATIC BAND FOR SUSPENSION OF ARTIFICIAL LEGS, FROM AMPUTATIONS ABOVE THE KNEE : en es
  • FR51196E - Process for the synthetic preparation of vitamin b : en fr
  • GB540065A - Improvements relating to washers or valves for taps or cocks : en
  • GR9675B - METHOD AND MEANS OF HEAT INSULATION OF KITCHEN UTENSILS. : el en
  • DE711309C - Arrangement for permanent charging of buffer batteries : de en
  • DE711667C - Device for driving and regenerative braking of electrically powered rail vehicles : de en
  • GB539908A - Improvements in or relating to typographical slug casting machines : en
  • US2257366A - Reflector for radiant heat : en
  • PL30061B1 - Device for surface hardening of shafts or similar objects : en pl
  • US2257611A - Timing device for mechanical power drives : en
  • DE711705C - Roll film spool : de en
  • FR51189E - Improvements to tubular lamps and their contact sockets : en fr
  • ES148088A3 - COFFEE DOSING MACHINE, PROVIDED WITH AN AUTOMATIC COUNTER OF SERVED DOSES : en es
  • FR51193E - Hinge without tab : en fr
  • US2257520A - Finger board : en
  • US2257396A - Top structure for cookstoves : en
  • US2257356A - Method of making ornamental chains : en
  • ES6233U - A metallic button included in the 48th class of the momenclator (Machine-translation by Google Translate, not legally binding) : en es
  • GB539957A - Improvements in or relating to refractory material, such as high temperature insulation bricks for furnace linings and the like : en
  • FR51191E - Chronograph timepiece : en fr
  • DE711328C - Process for the production of azo dyes on cellulose esters and ethers or fibrous materials containing them : de en
  • GB540002A - Method of preparing carbonated beverages : en
  • CH217091A - Tuning device switchable to several wavebands. : de en
  • CA399668A - Gelatinous material stock curing method : en fr
  • CH217137A - Process for the production of a water-soluble, higher molecular weight, α-substituted benzylamine derivative. : de en
  • ES148055A1 - IMPROVEMENTS IN THE MANUFACTURE OF THE VISCOSE, WITH ITS CORRESPONDING APPARATUS TO TAKE IT TO PRACTICE : en es
  • US2257570A - Neutralized system : en
  • US2257714A - Binding machine : en
  • US2257439A - Switching mechanism : en
  • US2257565A - Steam producer : en
  • US2257690A - Wringer mechanism : en
  • BE442585A - : en
  • CH217101A - Device for printing and moistening or gumming paper strips. : de en
  • US2257391A - Window cleaner or washer : en
  • DE711400C - Cathode atomization apparatus with gas filling and a metallic wall connected as a cathode to be atomized : de en
  • DE711410C - Shortwave directional radiators composed of individual radiators : de en
  • DE711445C - Method and device for the detection of poisonous gases by means of spout tubes : de en
  • DE711256C - Device for voltage regulation of electrical generators : de en
  • DK59077C - Piston machine with rotating, eccentric Piston. : da en
  • US2257544A - Calcium magnesium carbonate product and process of manufacture : en
  • USD129736S - Design foe an atomizer : en
  • AU111584B2 - An improved adjustable fan rake : en
  • ES147971A2 - A THREADED JOINT SYSTEM OF TWO CYLINDRICAL BODIES WITH THE INSERTION OF BAGS OR OTHER ROLLING ORGANS THAT REPLACE THE SCREW FILET : en es
  • DE711533C - Method and machine for completing a bound book with the cover already folded : de en
  • US2257112A - Manufacture of special shapes of heat and sound insulation bodies : en
  • CH216896A - Monitoring device on radiators for central heating. : de en
  • USD129786S - Design for a dress : en
  • ES147878A1 - Improvements in dielectric compounds. : en es
  • ES148013A1 - AN AUTOMATIC CLOSURE FOR TUBES : en es
  • GB539988A - Improvements in or relating to dynamo electric machines : en
  • GB540012A - Improvements in or relating to actuating means for centrifugal percussion apparatus : en
  • GB539919A - Improvements in typographical composing machines : en
  • GB540009A - Improvements in and in the manufacture of projection screens : en
  • FR867119A - Improvements to bicycles, tandems, mopeds and other similar vehicles : en fr
  • DE711433C - Electric high pressure vapor discharge lamp with quartz vessel, fixed main electrodes and auxiliary electrodes that facilitate ignition : de en
  • DE711493C - Universal joint coupling : de en
  • DK59064C - Procedure for the Production of Aneurin. : da en
  • ES148020A1 - CRUSHING MACHINES : en es
  • FR867117A - Safety burner for gaseous fuels : en fr
  • DE711339C - Arrangement for connecting two symmetrical high-frequency arrangements either individually or together to an unbalanced cable : de en
  • US2257200A - Blank for making letters and numbers : en
  • US2257187A - Seismic surveying : en
  • FR867104A - Quick construction process for buildings in general, but with new profiled elements : en fr
  • FR51180E - Luminous reflective plate, mainly intended for the rear lights of motor vehicles and fixed light signals : en fr
  • GB539984A - A new method for manufacturing axle housings : en
  • ES148243A1 - A TUBULAR GAS LAMP AND RELATIVE PORTALAMP : en es
  • DE711238C - Method and device for manufacturing wire ropes : de en
  • CA399715A - Electric relay : en fr
  • ES148194A3 - A SCAFFOLD LATHE : en es
  • DE711247C - Periodic absorption refrigeration apparatus : de en
  • ES147873A1 - Improvements in electric capacitors of variable capacity. : en es
  • US2257403A - Live bait holder : en
  • GB540010A - Traction chains for pneumatic tyres : en
  • FR51157E - Projector lamps for vehicles, especially automobiles, with optimum distribution of the radiated flux : en fr
  • FR867195A - Improvements in the preparation of stable emulsions containing the reaction product of a water insoluble reagent and a water soluble reagent : en fr
  • GB539895A - Improvements in and relating to fluid-pressure-operated braking devices : en
  • DE711482C - Device for determining the location using rotating directional radiation : de en
  • SE102681C1 - : en
  • CA399564A - Combined baffle and heat conserver : en fr
  • US2257136A - Production of cast refractories : en
  • USD129733S - Design for a textile fabric : en
  • DE711611C - Apparatus for making stacks of zigzag folded paper sheets : de en
  • GB539916A - Improvements relating to bases for electric lamps and similar devices : en
  • GB539980A - Improvements in or relating to method of making inner tubes for pneumatic tyres : en
  • DE711405C - Meat chopper : de en
  • PL29990B1 - I. G. Farbenindustrie Aktiengesellschaft, Frankfurt am Main J : en pl
  • US2257318A - Sleeve extractor : en
  • PL30073B1 - : en pl
  • CA399611A - Ice tray : en fr
  • DE711520C - Discharge tubes with gases or vapors or mixtures of these, in particular for amplifier purposes, with an external control electrode that controls electrostatically and is insulated against the discharge : de en
  • GR9670B - COMPACT LIGHT FORMED METAL LIGHTER. : el en
  • GB540075A - Improvements in or relating to the preparation of magnesium fluoride : en
  • US2257460A - Wrench : en
  • DE711584C - Quick release element : de en
  • DE711658C - Procedure for displaying and recording measured values : de en
  • ES148053A1 - A DEVICE OF UNION OF THE AFUSTE TO THE CANYON, WITH LEVELING AND AUTOMATIC CONSERVATION OF THE LEVELING OF THE AXLE OF MUÑONES : en es
  • ES148146A1 - A WRITING PROCEDURE FOR MACHINES IN GROUPS UP TO FOUR, FIVE, SIX OR MORE LETTERS SIMULTANEOUSLY IN ONE SINGLE PULSATION : en es
  • US2257486A - Air conditioning system : en
  • PL30020B1 - The method of producing a double-sided corrugated veneer:, a device for its production and a board with an insert made of a similar veneer : en pl
  • US2257184A - Piston : en
  • USD129742S - Design for a badge ok the like : en
  • CH216919A - Typewriter table. : de en
  • DE711591C - Circuit arrangement for frequency division with electron tubes that are connected as blocking oscillators or belong to multivibrators : de en
  • US2257302A - Electric brake system : en
  • US2257626A - Irrigation control gate : en
  • US2257313A - Alloy bearing : en
  • USRE21907E - Light control means : en
  • FR867190A - Device allowing the adaptation of gasifiers on motor vehicles and allowing direct starting on gas with elimination of the carburetor : en fr
  • FR51171E - Ammunition casings made from organic materials and their manufacturing processes : en fr
  • FR867101A - Dry gas meter : en fr
  • FR867165A - Improvements in the preparation of ice cream and similar products : en fr
  • US2257261A - Apparatus for coating : en
  • US2257450A - Feed for forming machines : en
  • CA399674A - Porous material gluing process : en fr
  • CA399746A - Therapeutic vibrator : en fr
  • US2257400A - Lever mechanism : en
  • CH216957A - Form folder with pivoting compartments. : de en
  • CH216995A - Device to be attached to an electromagnetically acting device for measuring an electrical or magnetic variable of the device. : de en
  • DE711481C - Display device for determining the location of a vehicle : de en
  • FR867178A - Improvements to plastic compounds of polyvinyl alcohol and their preparation processes : en fr
  • FR867191A - Apparatus for the use of carbide in engines : en fr
  • CA399557A - Garment hanger and support : en fr
  • PL30009B3 - : en pl
  • US2257401A - Crank bearing for bicycles : en
  • CH217092A - Method and arrangement for obtaining a DC voltage from relaxation oscillations. : de en
  • US2257550A - Collapsible table and bench : en
  • CH217039A - Device for automatic regulation of the flow cross-section of the fuel line of carburetor internal combustion engines. : de en
  • DE711505C - Control method for continuously working mixing plants : de en
  • FR867197A - Improvements made to welding and products obtained : en fr
  • US2257202A - Combination fruit corer and gouge : en
  • CH217024A - Device for attaching panels to a base, e.g. B. of shingles on building exterior walls. : de en
  • FR867183A - Improvements to mechanical carpet brooms : en fr
  • GB539973A - Separator for dust-loaded air : en
  • FR867175A - Elastic sleeve improvements : en fr
  • ES148091A1 - A PROCEDURE FOR MANUFACTURING PAPER PIGMENT FOR ENGRAVING HOLLOW : en es
  • ES6301U - Sharpening machine for razor blades. (Machine-translation by Google Translate, not legally binding) : en es
  • ES148130A1 - APPARATUS TO COLLECT POINTS IN THE STOCKINGS : en es
  • FR867137A - Primed glass wool material : en fr
  • CA399657A - Armoured packing : en fr