• US2323033A - Carrier frequency telephone system : en
  • US2322830A - Anvil for riveting guard ledger plates : en
  • US2323157A - Changeable sign : en
  • PL31893B1 - : en pl
  • CA413502A - Esterification process : en fr
  • CH227535A - Heating system. : de en
  • US2323211A - Method and means for automatic gain control : en
  • DE736846C - Process for the production of í¸-androstenedione : de en
  • US2323080A - Lever type bottle opener : en
  • PL31837B1 - A device for recovering gases from freshly advanced viscose fibers : en pl
  • DE736700C - Manufacture of products containing magnesium phosphide : de en
  • CH227715A - Shortwave transceiver. : de en
  • CA413529A - Press work removing apparatus : en fr
  • GB554333A - Improvements relating to oil-seals : en
  • PL31858B1 - The method of isomerization and demutation of hydroxyketone compounds having the core of the androstane or pregnane series : en pl
  • PL31875B3 - A device for heating ceilings and walls of buildings : en pl
  • US2322869A - Thimble : en
  • USD135880S - Design for a game board : en
  • DE731978C - Electrical high-voltage discharge vessel for electron-optical imaging by means of at least partially electrostatic lenses, in particular a high-magnification electron microscope (over microscope) : de en
  • US2323124A - Electrical condenser : en
  • US2323148A - Electrical contact assembly for use in electron discharge devices : en
  • US2322955A - Current supply system : en
  • CH227699A - Electric radiation lamp. : de en
  • ES158717A1 - AN INSTALLATION FOR THE MANUFACTURE OF VIBRATED CEMENT BLOCKS : en es
  • FR52010E - New clutch : en fr
  • CH227581A - Process for the preparation of organic peracids containing only one -O-O-H group or their salts. : de en
  • US2322801A - Manufacture of cuprammonium rayon : en
  • ES160559A1 - PROCEDURE TO ELIMINATE THE ESCORIA OF HOUSEHOLDS, ESPECIALLY OF HOUSEHOLDS OF PRESSURE FOR FUELS WITH INTENSE TRAINING OF ESCORIA : en es
  • FR52017E - Process for the hydrolysis of cellulosic, hemi-cellulosic, polysaccharide and other materials : en fr
  • GB554425A - Aircraft and method of propulsion : en
  • DE736832C - Arrangement for making ice cream in refrigerators operated with refrigerators : de en
  • GB554395A - Improvements in or relating to electric torch cases for use on cycles and similar vehicles : en
  • BE450849A - : en
  • CA413458A - Hydraulic window regulator : en fr
  • CH227647A - Drying ovens. : de en
  • PL31833B1 - : en pl
  • PL31870B1 - : en pl
  • US2322937A - Conduit construction : en
  • AU117135B2 - Improvements to clutch mechanism for the drive of fluid compressors : en
  • CH227592A - Process for the production of porous silver anodes. : de en
  • CH227655A - Multi-disc slip clutch. : de en
  • GB554369A - Improvements in luminairs : en
  • USD135882S - Mask for stuffed toys or similar article : en
  • ES158024A1 - IMPROVEMENTS IN THE PROCEDURES FOR OBTAINING VEGETABLE FIBERS : en es
  • PL31848B1 - A method of producing machine parts by shaping them without cutting them, and by pressing and sintering the appropriate powdered metals : en pl
  • US2323073A - Light reflector : en
  • US2323078A - Paper bottle : en
  • CA413555A - Electric control shaft : en fr
  • US2323196A - Engine starter gearing : en
  • ES160538A1 - A NEW PROCEDURE TO MAKE ANTIHYROSCOPIC AND DOWN TO THE FUSION POINT OF AMMONIUM NITRATE EMPLOYED FOR EXPLOSIVES : en es
  • FR883348A - Oblique disc drive mechanism : en fr
  • US2323081A - Vibration amplitude control system : en
  • US2323237A - Tire inflating valve : en
  • DE737003C - Cardboard disc closure for milk bottles : de en
  • FR883288A - Cycle crankset without neutral : en fr
  • ES160539A1 - IMPROVEMENTS IN THE ELEMENTS OF ARTICULATION AND SUSPENSION OF THE PALETILLAS OF THE ORTHOPEDIC BRAGUEROS : en es
  • DE736992C - Rückstossdüse with heating ribs for exhaust gases from internal combustion engines built into aircraft : de en
  • US2323013A - Means for controlling the operation of vapor generators : en
  • US2323147A - Conveyer : en
  • ES157715A1 - PROCEDURE FOR THE MANUFACTURE OF CARBON BY CATALYTIC DECOMPOSITION OF CARBON OXIDE : en es
  • FR883250A - System for suspending the contact wire of tracks or power lines in curves, in particular for trolleybus contact lines : en fr
  • FR883299A - gasoline saver for internal combustion engine driving a vehicle : en fr
  • US2323249A - Refrigerator : en
  • CA413540A - Polyhydric alcohol manufacture : en fr
  • CH227667A - Heat recovery plant. : de en
  • GB554336A - Improvements in the method of and means for making hollow concrete units : en
  • DE736967C - Labeling device : de en
  • CA413594A - Composite fabric production : en fr
  • DE736787C - Device for determining the distance between an aircraft and a high-frequency radiation source : de en
  • DE736950C - Low-bed wagons for the transport of construction machinery, caterpillar vehicles, etc. like : de en
  • DE736900C - Electric vacuum annealing and melting furnace heated by glow discharge : de en
  • DK61074C - Slider device by piston pumps. : da en
  • DE736798C - Key lever spring tension regulator : de en
  • DE736959C - Conveyor belt drive for conveyor ovens : de en
  • ES160577A2 - IMPROVEMENTS INTRODUCED IN THE FORMATION OF THE JOINTS OF THE GOLLETS TO THE MOUTHS OF THE METAL SHEET CONTAINERS : en es
  • FR883298A - Improvement in the general installation of gasifiers : en fr
  • FR883372A - Coupling device for high frequency installations : en fr
  • GB554287A - Improvements relating to fastening devices : en
  • FR883304A - Process for the production of artificial coals : en fr
  • FR883330A - Disconnection for electrical pipes : en fr
  • GB554340A - Improvements in building constructions : en
  • CA413442A - Game officiating device : en fr
  • FR883231A - Hand saw for cutting down thickets : en fr
  • DE736863C - Device for compacting the sand filling in pipes to be bent : de en
  • FR52026E - Air intake from the working cylinder of an internal combustion engine, in particular for compressed air brakes and diesel engines : en fr
  • ES160143A1 - IMPROVEMENTS IN OBTAINING FILTERS OF SUBSTANCES IN SUSPENSION WITH LARGE ACTIVE SURFACE : en es
  • GB554404A - Improvements in distributing differential mechanisms for use in multiple drive vehicles : en
  • ES160665A1 - PROCEDURE FOR THE OBTAINING OF SOLUTIONS OF TITANIC SULFATE, PARTICULARLY OF BASIC SOLUTIONS : en es
  • GB554375A - Improvements relating to cranes and like lifting mechanisms : en
  • ES160662A1 - A MANUAL APPARATUS THAT ACTS BY SHOT, APPLICABLE TO THE PRACTICE OF THERAPEUTIC INJECTIONS : en es
  • ES160734A3 - PROCEDURE FOR CONSTRUCTION OF HOLLOW BODIES FOR AIRCRAFT AND OTHER VEHICLES AND VESSELS : en es
  • FR883356A - Process for the preparation of water-soluble sulfonamide derivatives : en fr
  • GB554277A - Improvements in automatic regulation of current in electroplating bath : en
  • ES160415A3 - SOME IMPROVEMENTS IN THE MANUFACTURE OF TUNING CAPACITORS FOR RADIOPHONE RECEIVERS : en es
  • FR883272A - Product replacing soap and its method of preparation : en fr
  • DE736932C - Process for the splitting and isomerization of hydrocarbons and for the pressure hydrogenation of coal, tars and mineral oils : de en
  • ES157441A1 - IMPROVEMENTS IN THE CONSTRUCTION OF PADLOCKS AND LOCKS : en es
  • FR883308A - Vehicle tires, artificial rubber : en fr
  • GB554356A - An improved appliance for use in the salvage of rubber particularly when damaged by heat : en
  • US2323019A - Impulse sender : en
  • US2323225A - Steam pressing iron : en
  • US2323117A - Poultry feeder : en
  • DE736827C - Lace holder : de en
  • PL31876B1 - : en pl
  • US2323142A - Luminescent lamp : en
  • US2323203A - Shuttle : en
  • US2322793A - Gear finishing tool : en
  • US2322941A - Car construction : en
  • US2323229A - Fuse construction : en
  • ES159282A1 - IMPROVEMENTS IN THE ROLL CARTRIDGES : en es
  • DE736986C - Two-way mirror light for side arrangement : de en
  • DE737002C - Stiffening arrangement for motor vehicles with the longitudinal beams of the chassis bridging, cast front wall : de en
  • PL31846B3 - Light metal piston pin seat for engines : en pl
  • US2323218A - Taeniacide : en
  • DE736815C - Laminated magnetostriction vibrator and method for making the same : de en
  • US2322827A - Coating hopper : en
  • US2323221A - Portable novelty bank : en
  • DE736944C - Silencer with several chambers connected to one another by pipes : de en
  • FR883268A - Burden lifting device : en fr
  • GB554283A - Improvements relating to plunger pumps : en
  • GB554300A - Improvements in sensitive photographic materials : en
  • GB554365A - Improvements in apparatus for mixing fluids in flow in proportionate quantities : en
  • FR883249A - Receiver clock : en fr
  • USD135906S - Design for a hat : en
  • FR883203A - Process for the manufacture of cylindrical objects of great length in vulcanized rubber and products obtained : en fr
  • CA413556A - Egg carton : en fr
  • US2323043A - Manufacture of visible index or record strips : en
  • PL31859B1 - Emerge und Revere Faden G. m. B. H., Budapest Braided rubber thread : en pl
  • ES160707A3 - PROCEDURE AND APPARATUS FOR PURIFICATION OF LUBRICATING OIL AND OTHER SIMILAR OPERATIONS : en es
  • FR52044E - Flame arresters with reaction effect for airplanes, and method of manufacturing the same : en fr
  • US2323050A - Electric switch : en
  • DE736901C - Process for the preparation of dyes of the anthraquinone series : de en
  • GB554342A - Improvements in or relating to an insulating and sealing member for the connection between a spark plug and an ignition cable : en
  • US2323246A - Production of multicolored motion pictures with sound track : en
  • AU578942A - Improvements relating to slacks and other outer garments for women : en
  • DE736821C - Drive for reciprocating grippers of lock stitch sewing machines : de en
  • FR883220A - Manufacturing process of artificial leather and new products obtained : en fr
  • DE736814C - Device for determining the speed : de en
  • GB554384A - Improvements relating to cores for electric transformers and chokes : en
  • DE736874C - Cold glue : de en
  • ES159649A1 - PROCEDURE FOR THE OBTAINING OF ELECTRICALLY CONDUCTIVE UNIONS : en es
  • DE736906C - Coal insertion : de en
  • CH227612A - Device for connecting skis lying next to one another in order to enable them to be pulled along. : de en
  • DE736963C - Device for guiding the air in the grinding chamber of Schlaegermuehlen : de en
  • CH227720A - Backpack. : de en
  • US2323008A - Coupling and controlling device : en
  • SU62914A1 - Device for measuring rotational speed : en ru
  • US2322807A - Electron discharge device and system : en
  • ES160535A1 - IMPROVEMENTS IN THE MOLDING BY INJECTION OF ARMED PIECES OF PLASTIC MATERIAL : en es
  • DE736876C - Cushioning, especially for motor vehicles : de en
  • ES159837A2 - FUEL SUPPLY PROCEDURE FOR EXPLOSION OR INTERNAL COMBUSTION ENGINES : en es
  • ES160774A1 - RETIRED SIGNAL DEVICE FOR OXYGEN GAS PROTECTIVE APPARATUS OR COMPRESSED AIR RESPIRATORS : en es
  • GB554308A - Improvements in and relating to the inking mechanism of electrical recording apparatus : en
  • FR883296A - Device for drawing curves of any shape : en fr
  • FR883325A - Adjustable resistance for high frequencies and assembly comprising such a resistance : en fr
  • ES159246A1 - AN ELECTRICAL SIGNALING SYSTEM : en es
  • US2322833A - Two-way signaling system : en
  • US2322894A - Twist drill : en
  • DE736822C - Drive for axial thrust generating systems freely rotatable about their axis of rotation : de en
  • CH227716A - Timer with contact device. : en fr
  • FR883377A - Ball bearing cage : en fr
  • PL31896B1 - A device for heating solid foodstuffs, especially sausages, by means of passing an electric current through them directly : en pl
  • DE736975C - Process for the extraction of elemental sulfur from gases containing hydrogen sulfide, carbon oxysulfide and carbon disulfide : de en
  • US2323121A - Window unit for trailers and the like : en
  • CH227556A - Roasting device. : de en
  • AU995143A - Improvements in or relating to laminated articles and their methods of manufacture : en
  • CH227626A - Holding frame for slides. : de en
  • PL31856B1 - Method for dehydrogenation of aliphatic hydrocarbons : en pl
  • SU62829A1 - Tick Clamp for forging manipulator : en ru
  • CA413592A - Composite fabric production : en fr
  • CH227731A - Springy wheel. : de en
  • CA413491A - Insulated electrical conductor : en fr
  • GB554270A - Improvements in or relating to valves : en
  • BE450815A - Process for preserving perfumes and resulting essences and preparations : en fr
  • CA413475A - Closure and container : en fr
  • FR883244A - System for supplying an internal combustion engine with gas : en fr
  • GB554316A - Improvements in the design of depth gauges used in engineering industry : en
  • CA413559A - Printing and notching apparatus : en fr
  • CH227672A - Process for the production of iron cores for transformers with a circular cross-section. : de en
  • US2323007A - Rigid rear axle for motor vehicles : en
  • CH227743A - Process for the preparation of a solid molecular compound containing mercury. : de en
  • US2323047A - Distillation : en
  • DE736646C - Device for selecting characters consisting of lines and pauses of different lengths : de en
  • US2322779A - Rubber product : en
  • US2322872A - Heating system : en
  • US2322912A - Sanitary measuring device : en
  • CH227587A - Method of gluing. : de en
  • FR52025E - Air intake from the working cylinder of an internal combustion engine, in particular for compressed air brakes and diesel engines : en fr
  • US2323169A - Process of plating metal bodies : en
  • PL31844B1 - : en pl
  • DE736927C - Multi-phase relay based on the Ferraris principle : de en
  • GB554427A - Improvements in or relating to overhead runway systems : en
  • CH227702A - Contact device set for electrical brain stimulation. : de en
  • US2323110A - Road grader : en
  • CH227650A - Self-lubricating capillary bearing. : de en
  • CH227708A - Feedback amplifier. : en fr
  • US2323265A - Container for molten glass : en
  • ES160130A1 - GAS DEPURATOR TO APPLY TO ALL KINDS OF ENGINES : en es
  • AU651142A - Improvements in or relating to gear type high pressure liquid displacement devices : en
  • US2322817A - Catch : en
  • ES7301Y - Machine for sewing paper and the like. : en es
  • US2322902A - Apparatus for making tubular bodies : en
  • DE736833C - Hold-down device for the tongue of swivel chair switches : de en
  • DE736840C - Process for aluminizing iron or steel wires and tapes : de en
  • CH227547A - Method and device for cleaning boilers, in particular their heating surfaces. : de en
  • US2322939A - Vehicle wheel balance tester : en
  • USD135903S - Design for a lady s suit : en
  • FR883378A - Footwear, especially for the apartment : en fr
  • US2322951A - Universal measuring indicator : en
  • US2322920A - Key holder : en
  • FR883000A - : fr
  • GB554280A - Improvements in or relating to gearing for steering mechanically propelled vehicles and for other purposes : en
  • US2323003A - Apparatus for cutting paper sheets : en
  • ES160622A3 - HAND-OPERATED AUTOMATIC SEALING MACHINE, WITH HAND-DRIVE DEVICE FOR ROUND CANS : en es
  • US2322856A - Wrench reducing insert : en
  • FR883239A - Water separator filter for gasifier gases : en fr
  • US2322761A - Composition and method : en
  • FR883380A - Long span and heavy duty concrete slabs and elements for its construction : en fr
  • PL31867B1 - : en pl
  • US2322952A - Hearing aid device : en
  • DE736841C - Process for drying milk and other liquids : de en
  • DK61076C - Release device for lifeboats. : da en
  • GB554407A - Improvements in the production of pantothenic acid : en
  • FR883346A - Process for the production of phenols purified from lignite tar : en fr
  • ES160534A3 - A VARIABLE PULLEY MECHANISM FOR TRANSMITTING GRADUABLE SPEEDS : en es
  • ES159619A1 - A PROCEDURE TO WEAKEN OR DELETE COMPLETELY THE INDICATION OF PERCENTAGE ECOS IN THE ACOUSTIC POLLING FACILITIES AND DEVICE FOR THEIR REALIZATION : en es
  • US2323161A - stouffer : en
  • ES160747A1 - IMPROVEMENTS IN THE MANUFACTURE OF LATCHES : en es
  • FR52001E - Undercarriage for any vehicle or material : en fr
  • GB554401A - Direct-fired unit air heaters : en
  • DE736782C - Process for the production of petrified lightweight panels : de en
  • FR883261A - A method of manufacturing a vegetable food product which is adapted by suitable cooking to cold meats, pastry and others : en fr
  • GB554310A - An improved means for forming an eye or loop in multi-strand wire ropes or cables : en
  • US2322908A - Slide fastener : en
  • ES153082A1 - A GUIDING ANTENNA IN WHICH SEVERAL DIPOLOS OF A / 2 SITUATED IN SERIES IS FOODED ISOLPHICALLY : en es
  • ES160430A1 - IMPROVEMENTS IN THE HOLLOWING ELEMENTS OF MASONRY : en es
  • FR883221A - Improvements to blade handles for animal skinning devices : en fr
  • CA413509A - Pest control composition : en fr
  • CH227730A - Wheel. : de en
  • PL31898B1 - : en pl
  • ES160729A1 - PERFECTIONS IN LIGHT ALLOYS : en es
  • ES156700A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRICAL HEATING RADIATORS : en es
  • ES160357A1 - IMPROVEMENTS IN THE BICYCLE BRAKE DEVICES : en es
  • US2322940A - Souring material : en
  • US2323153A - Motor mount : en
  • CA413549A - Electrical protective device : en fr
  • US2323278A - Lister : en
  • ES160652A3 - IMPROVEMENTS IN THE MANUFACTURE OF METALLIC WOOL OR CHIP : en es
  • DE736974C - Circumferential drum suction filter : de en
  • FR883224A - Process for making marmalades, compotes or jams, based on vegetables or other plants : en fr
  • ES160714A2 - MEETING IMPROVEMENTS IN A BODY OF TWO OR MORE NON-METALLIC BODIES : en es
  • GB554392A - Improvements in or relating to cooling towers : en
  • GB554314A - Improvements in and relating to liquid-gas separating apparatus : en
  • ES160776A2 - A CAPSULATED FILTER HERMETICALLY TO GASES : en es
  • GB554341A - Improvements in the metallic coating of articles : en
  • SU62833A1 - The method of obtaining oxygen-enriched air and the installation for implementing this method : en ru
  • US2323106A - Collapsible building : en
  • US2323098A - Polishing device : en
  • US2322745A - Lateral control for aircraft : en
  • US2323241A - Electric switch : en
  • US2322916A - Refrigerator latch operating mechanism : en
  • ES159284A1 - IMPROVEMENTS IN CARTRIDGES ROLLED WITH ROLLED RETURN INSIDE : en es
  • GB554417A - Improvements in or relating to supercharging systems for aircraft cabins : en
  • CA413462A - Steel file interlock : en fr
  • FR52016E - Improvements to gasifiers : en fr
  • FR883363A - Improvements to medical electrotherapy devices : en fr
  • GB554408A - Improvements in and relating to brake systems : en
  • ES160637A1 - PROCEDURE FOR THE PREPARATION OF HILAR SOLUTIONS : en es
  • US2322972A - Device for the protection of the guiding surfaces of the slides of machine tools : en
  • US2323099A - Tube fitting : en
  • US2323090A - Display device : en
  • DE736785C - Circuit arrangement for counting connections of different values in telecommunications systems, in particular telephone systems with dialer operation : de en
  • ES159915A1 - IMPROVEMENTS IN THE TAPE REELS, ESPECIALLY FOR WRITING MACHINES : en es
  • FR52035E - Process for the preparation of new compounds of the cyclopentanopolyhydrophenanthrene series : en fr
  • ES160518A1 - PROCEDURE FOR THE PRODUCTION OF TEXTILE FIBERS OF NITROGENATED ANIMAL MATERIALS, MIXED WITH VEGETABLE VISCOSES : en es
  • DE736845C - Process for the preparation of oxyketones CHO with germ gland hormone effect : de en
  • AU117123B2 - Variable tuning systems : en
  • DE736962C - Device for hot pressing hard metal or other metal alloys made from powdery starting materials : de en
  • FR883206A - Elastic seal : en fr
  • US2322961A - Two-cycle engine : en
  • ES160520A3 - IMPROVEMENTS IN THE GREASE BOXES FOR VEHICLES TRAVELING ON RAILS : en es
  • DE736847C - Method of drawing connections from the structure of the corpus luteum hormone : de en
  • DE736864C - Single lens reflex camera with built-in electric light meter : de en
  • DE736911C - Length adjustment device for the heel link of ski bindings : de en
  • ES160192A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • PL31878B1 - The method of producing azo dyes : en pl
  • US2322990A - Condensation products and a process of preparing them : en
  • CA413455A - Finger protector : en fr
  • DE736883C - Device for the heat treatment of liquids or solids : de en
  • FR52009E - Sophisticated device for plumbing a swivel frame : en fr
  • GB554363A - Improvements connected with tables for use in x-ray photographing : en
  • CH227594A - Method and device for processing raw materials and pulp for the production of paper, cardboard, cellulose and cellulose-containing products, in particular for dissolving waste paper. : de en
  • US2322769A - Refrigerator cabinet : en
  • US2322765A - Microphone amplifier : en
  • US2323069A - Rail car : en
  • DE736809C - Process for the production of precious metal alloys with the addition of tantalum : de en
  • CH227603A - Mass for the formation of images on cellulosic supports of planographic printing plates. : en fr
  • FR883398A - Device for connecting a drill bit to its support rod : en fr
  • GB554383A - Fabric and method of making it : en
  • US2322985A - Synchronizing arrangement : en
  • ES160555A1 - SOME IMPROVEMENTS IN THE HANDLING OF THE CELOFANA OR VISCOSA LAMINAR : en es
  • GB554293A - Improvements in or relating to methods of and apparatus for progressively heating rollable articles : en
  • US2323017A - Machine for setting or driving rivets and the like : en
  • FR883213A - Precision ring trigger mechanism : en fr
  • DE736905C - Single-handled girder, especially for platform roofs : de en
  • DE736982C - Arrangement for fastening a symmetrical bridge contact, which consists of two contact heads connected by a pin, to insulating material plates : de en
  • FR883204A - Development of toroidal coils on coil machines : en fr
  • ES160545A1 - IMPROVEMENTS INTRODUCED IN THE MECHANISMS OF THE ARMONIUMS : en es
  • ES156273A1 - A PORTABLE PHONOGRAPH DEVICE : en es
  • DE736872C - Method of preparing distilled water : de en
  • DE736917C - High pass chain ladder for wire radio systems : de en
  • DE736907C - Mask for high altitude breathing apparatus : de en
  • US2323054A - Condensation of an imide of a dicarboxylic acid with a polyamine : en
  • US2323207A - Brake mechanism : en
  • GB554411A - Improvements relating to speed control systems for direct current electric motors : en
  • CH227596A - Double address block. : de en
  • CH227605A - Camera with a shutter controlled by a photoelectric light meter. : de en
  • US2322981A - Cellulose product : en
  • US2323282A - Drop wire for warping machines and the like : en
  • ES159352A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • GB554304A - Electric boiling apparatus : en
  • ES160719A1 - BEARING IN ROLLERS WITH INTERNAL RING OF CONTACT RESBALANTE : en es
  • CA413459A - Vehicle window regulator : en fr
  • US2323066A - Apparatus for the picking up and reproduction of sounds : en
  • FR883235A - Improvements in methods and devices for starting electrically all internal combustion or combustion engines : en fr
  • US2323247A - Suspension means for reciprocal saws : en
  • US2323267A - Strain gauge for rolling mills and the like : en
  • FR883263A - Device for automatically supplying aerated water to plant roots : en fr
  • FR883353A - Method of assembling a piece of wood with a piece of glass and object obtained by this method : en fr
  • ES160657A1 - ELECTRIC WELDING PROCEDURE : en es
  • US2323243A - Smoke disperser for pipes : en
  • ES160752A1 - IMPROVEMENTS IN THE ELECTRICAL HEATING PROCEDURES FOR WATER HEATING IN THERMO-SIPHON AND SIMILAR FACILITIES : en es
  • USD135879S - Design for a toy figure or similar article : en
  • DE736870C - Gas and tower-proof covering of horizontal cellar windows or exits : de en
  • GB554311A - Improvements in or relating to valves for fluid pressure systems : en
  • CA413457A - Thermometer mercury reducer : en fr
  • DE736933C - Multi-rope conveyor system : de en
  • US2323102A - Process of maintaining the original characteristics of substances : en
  • CH227669A - Safety valve, especially for ship boilers. : de en
  • ES160517A1 - PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL TEXTILE FIBERS BASED ON VEGETABLE VISCOSE AND CASEIN, WHICH HAVE THE ASPECT AND THE CHARACTERISTICS OF THE WOOL : en es
  • GB554273A - A new or improved base support for bomb and grenade projectors, or for light automatic guns and rifles, for field or trench use : en
  • US2322932A - Electric motor cooling : en
  • PL31890B1 - The method of producing cellulose poppies : en pl
  • US2322898A - Visor structure : en
  • GB554350A - Improvement in concentric line inductances : en
  • DE736867C - Process for the production of photographic color images by color development of halogen silver emulsion layers containing 1-phenyl-5-pyrazolones as dye-forming agents : de en
  • DE729069C - Production of cadmium red : de en
  • FR52034E - Paint refinements : en fr
  • GB554367A - Inductance apparatus : en
  • US2323220A - Keying pin holder for laundry marking : en
  • CH227593A - Process for the production of firmly adhering and deformable paint layers on containers, in particular milk cans and transport barrels : de en
  • PL31838B1 - A method of recovering carbon sulphide from viscose fibers : en pl
  • DE736970C - Process for matting textiles with pigments known per se : de en
  • FR52020E - Air intake from the working cylinder of an internal combustion engine, in particular for compressed air brakes and diesel engines : en fr
  • AU646342A - Welding rod holder : en
  • CA413501A - Polymerization process : en fr
  • DE736825C - Closure, in particular for fuel or cooling water tanks in motor vehicles : de en
  • AU372541A - Improvements in electrically welded hermetic seals : en
  • DE736934C - Reversible table fountain : de en
  • CA413595A - Tennis racket : en fr
  • USD135876S - Belt fastener or similar article : en
  • CH227703A - Process for the preparation of a salt of a p-aminobenzenesulfamido-thiazole. : de en
  • US2322987A - Turbine system : en
  • US2323269A - Manufacture of woven plush or pile fabrics : en
  • ES159760A1 - A MACHINE FOR THE MANUFACTURE OF CEMENT CONCRETE BLOCKS : en es
  • FR52029E - Steam nozzle-injector for gasifiers : en fr
  • GB554354A - Improvements in and relating to copyholders : en
  • CA413439A - Shoulder strap retainer : en fr
  • CH227554A - Electric basin for heating the beds. : en fr
  • US2322882A - Refrigeration apparatus : en
  • US2322771A - Bearing : en
  • AU619642A - Improvements in power transmission by dynamo-electric machines : en
  • BE450852A - : en fr
  • CH227618A - Device for transmitting translational movements. : en fr
  • US2322973A - Magneto : en
  • US2323016A - Machine for setting or driving rivets and the like : en
  • CH227721A - Tube. : de en
  • FR52032E - Device for damping noise in pipes : en fr
  • GB554338A - Improvements in or relating to the vulcanisation of rubber : en
  • GB554385A - Improvements in pressure indicators and the like : en
  • US2322930A - Filler composition : en
  • DE736753C - Braking device for vehicles : de en
  • CA413476A - Adhesive composition : en fr
  • US2322876A - Egg carton : en
  • USD135875S - Design for a button : en
  • PL31889B1 - : en pl
  • US2322854A - Combination insignia handkerchief and arm band : en
  • US2323086A - Incendiary bomb handling device : en
  • USD135901S - Design fob a uniform : en
  • CH227616A - Cleaner for bayonet fillets. : de en
  • CA413496A - Guanidine nitrate manufacture : en fr
  • US2322852A - Panel fastener : en
  • CA413477A - Material direct printing and dyeing composition : en fr
  • CH227635A - Solder pad. : de en
  • CA413510A - Pest control composition : en fr
  • US2322878A - Eye testing instrument : en
  • US2323088A - Mechanical arm : en
  • AU117122B2 - Improvements in or relating to card records or indexes : en
  • DE736793C - Loading frame for firearms : de en
  • CA413463A - Steel file interlock : en fr
  • DE736810C - Process for the production of hard metal alloys : de en
  • ES160646A1 - A CENTRIFUGAL BURNER FOR LIQUID FUELS : en es
  • CH227555A - Pressure cooker. : en fr
  • DE736843C - Lid guide on machines for the hinge-like connection of the lid with the lower part of metal boxes : de en
  • ES157252A1 - MAGNETIC DEVICE FOR SELECTING AND REJECTING COINS : en es
  • ES160736A1 - PROCEDURE FOR THE OBTAINING OF ENVELOPING LAYERS OR COATINGS BASED ON SUPERPOLIAMIDES : en es
  • US2323056A - Apparatus for the extraction of liquids such as petrol and all other hydrocarbons contained in jellies or like products : en
  • CA413454A - Exhaust silencer : en fr
  • BE450552A - : en
  • US2323070A - Change speed gear : en
  • ES159080A1 - IMPROVEMENTS INTRODUCED IN THE PREPARATION OF HANDLES FOR TYPOGRAPHIC MACHINES : en es
  • SU61950A1 - Rectifier : en ru
  • CH227676A - Device for central reactive power control in line systems fed on one or more sides. : de en
  • PL31897B1 - : en pl
  • US2322810A - Extracting and protecting device for cartridges or shells : en
  • ES160658A1 - CONNECTION PROVISION FOR TELEPHONE INSTALLATIONS, WITH SEVERAL CENTRALS LOCATED IN SERIES : en es
  • US2322905A - Vegetable topper : en
  • FR883252A - Compositions for horticulture and agriculture : en fr
  • FR883319A - Articulated sole in rigid material for shoes : en fr
  • FR883375A - Process for performing zinc coatings on steel wires : en fr
  • GB554390A - Improvements in or relating to the production of gas-vapour mixtures : en
  • ES160756A1 - A PROCEDURE OR SUCCESSION OF CHEMICAL OPERATIONS OF ELECTROLYTIC TIN BATH : en es
  • DE736830C - Device for unloading vehicles : de en
  • FR52028E - Device allowing the substitution, in internal combustion engines, of gasoline, petroleum or fuel oil by acetylene, lighting, butane or other similar gases : en fr
  • US2322997A - Controlling means for combined : en
  • USD135873S - Design fob, an earring clip : en
  • USD135898S - Design for a bottle : en
  • DE736623C - Lifting device : de en
  • FR883238A - Articulated pliers for pens, mechanical pencils or the like : en fr
  • CA413461A - Book flat back binder : en fr
  • CA413452A - Shingle edge trimming machine : en fr
  • DK61058C - Procedure for Curing Cast Iron Objects by more than 3 pCt. Carbon. : da en
  • GB554325A - Improvements in supports for branchpipes throwing high pressure water jets for fire extinguishing and other purposes : en
  • FR52022E - Device for improving the use of flue gas energy in internal combustion engines used to propel aircraft : en fr
  • CA413504A - Sheet separating apparatus : en fr
  • DE736786C - Overlay receiver with changeover switch for bridging the intermediate frequency part made ineffective in local reception : de en
  • US2322786A - Process of electrolytic parting : en
  • DE736878C - Process for achieving uniform settlement of structures : de en
  • GB554412A - Improvements in the production of cellulose esters : en
  • FR883379A - Checkerboard games : en fr
  • US2322917A - Bottle crate : en
  • CA413526A - Propeller coupling : en fr
  • CH227640A - Spring device, in particular for axially resilient mounting of the roller bearings of revolving center points. : de en
  • US2322928A - Color printing method : en
  • FR883384A - Small collapsible packaging for food, etc. to freeze : en fr
  • US2323239A - Black-out screening : en
  • DE736979C - Method for determining direction by means of rotating directional radiation : de en
  • ES160710A1 - ALTERNATE CURRENT GENERATOR FOR CONSTANT TENSION : en es
  • ES160738A1 - PROCEDURE FOR THE CELLULOSE ALTERATION : en es
  • ES160513A3 - MECHANICAL HAND DRIVEN MOWER FOR WHEAT AND HAY : en es
  • ES160716A1 - A SUBMARINE LAMP FOR WORK OF DIVERS AT GREAT DEPTH : en es
  • PL31862B1 - Device for percolating and removing drinking water : en pl
  • US2322962A - Laminated article : en
  • CH227738A - Device for loading the pressure rollers of drafting systems. : de en
  • US2322867A - Seal : en
  • US2323091A - Chuck : en
  • ES160666A1 - A SELF-LOCATION ROUTE FOR VEHICLE AND OTHER WHEELS : en es
  • FR883314A - Reduction of torsional vibrations in crankshafts : en fr
  • DE736829C - Device for conveying powdery or fine-grain bulk goods by means of compressed air, with a mixing device connected to the conveyor pipeline : de en
  • US2323055A - Side wall stack frame : en
  • FR883269A - Sole : en fr
  • DE736914C - Fuel shut-off device for preventing the runaway of injection internal combustion engines : de en
  • US2323029A - Acidproof cement : en
  • US2322954A - Gauging apparatus : en
  • ES160546A1 - A SYSTEM OF JOINT FOR LANES, INTENDED TO ELIMINATE THE JUMPS WHEN PASSING THE VEHICLES : en es
  • US2323162A - Flatiron base : en
  • DE736866C - Camera with focusing mirror viewfinder : de en
  • ES160648A1 - PROCEDURE FOR THE VULCANIZATION OF THE MULTICELLULAR RUBBER : en es
  • FR883226A - cyclone scrubber for gasifiers : en fr
  • GB554372A - Improvements in or relating to cellulose derivative compositions and filaments, films and other articles made therefrom : en
  • FR882997A - : fr
  • ES160644A1 - A PROCEDURE TO INSENSIBILIZE THE TRANSPARENT VISCOSE FILM TO THE MOVEMENT AND ESPECIALLY TO THE MOISTURE : en es
  • ES160673A1 - IMPROVEMENTS IN THE METHODS OF FEEDING OF THREADS IN THE TEXTILE INDUSTRY MACHINERY : en es
  • GB554352A - Improvements in and relating to welding rods for use in welding chromium steels and the welds obtained therewith : en
  • FR883270A - Double-acting underwater rifle : en fr
  • FR883309A - Improvements in the manufacture of new insecticides : en fr
  • FR883202A - Junction for wire mesh in knit fabric : en fr
  • GB554315A - An improved process for the catalytic isomerisation of paraffinic hydrocarbons : en
  • DK61080C - Means for Cleaning Clockworks. : da en
  • ES160706A1 - A COMPRESSED AIR-BASED DRIVE INSTALLATION WITH ENERGY RECOVERY : en es
  • ES160739A1 - PROCEDURE FOR CONTINUOUS SULFIDATION OF ALKALINE CELLULOSE : en es
  • GB554413A - A process for the manufacture of castings of metal carbides : en
  • ES160777A3 - PERFECTION IN THE MANUFACTURE OF RUBBER ARTICLES : en es
  • FR52040E - Axles for joints with rolling seats and clamping seats : en fr
  • FR883307A - Pan : en fr
  • FR883349A - Ultra-shortwave split anode magnetron tube : en fr
  • FR883222A - Landing Gear Improvements : en fr
  • DE736895C - Device for reducing noise in electricity meters : de en
  • ES160764A1 - A NEW SYSTEM FOR THE OBTAINING AND PROJECTION OF NATURAL COLORS, APPLIED TO CINEMATOGRAPHY, GRAPHIC ARTS AND PHOTOGRAPHY IN GENERAL : en es
  • DK61061C - Ion valve with Metal container and liquid Cathode. : da en
  • DK61078C - Fireproof type firearms. : da en
  • US2323038A - Damper regulator : en
  • PL31886B1 - : en pl
  • US2322863A - Dehydroaromatization and hydroforming : en
  • US2323058A - Nut guard : en
  • US2323001A - Liquid spraying device for liquid fuel burners : en
  • DE736205C - Sorting device for fruit : de en
  • DE736860C - Contact device for an electrical counter, in particular registering a passage quantity : de en
  • ES160696A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • FR883329A - Removable checkout device : en fr
  • GB554303A - Manufacture of saturated and unsaturated androstane-17-ol-ones or esters or ethers thereof : en
  • DE736804C - Switchgear : de en
  • ES160663A1 - PERFECTED MACHINE FOR THE MANUFACTURE OF VULCANIZED SHOES : en es
  • AU117127B2 - Improved triangular form of box kite fitted with stabilizing and adjusting braces : en
  • ES160524A1 - DEVICE APPLICABLE TO THE DIVIDING APPLIANCES OF THE MILLING MACHINES, BRUSHING AND DRILLING : en es
  • ES160635A1 - PROCEDURE FOR THE MANUFACTURE OF BENZOYL CHLORIDE AND SUBSTITUTE BENZOIC ACID CHLORIDES : en es
  • US2323009A - Photographic apparatus in detached parts : en
  • CA413547A - Tens carry mechanism for totalizers : en fr
  • USD135887S - Design for a flexible slat bedspring : en
  • CA413599A - Condenser : en fr
  • DE736601C - Device for giving alarms by means of sirens : de en
  • DE736891C - Opaque electrical insulating body made of ceramic or glass-like material, e.g. Insulator or capacitor body : de en
  • GB554320A - Improved method and means for forming and securing together a cutlery piece and its handle : en
  • US2323199A - Mask for aviation or clinical purposes : en
  • US2323053A - Quickly ready pouch for snapshot cameras : en
  • PL31855B1 - Radio Corporation of America, New York, N.Y. Radio receiver with reception blocking device at inception : en pl
  • ES160561A2 - PROCEDURE FOR PURIFICATION OF THE PREHYDROLYZED PRODUCTS OF CELLULOSIC RAW MATERIALS FOR FERMENTATION : en es
  • FR883393A - Process for forming protective layers on aluminum or aluminum alloys, in particular aluminum and copper alloys : en fr
  • FR883232A - Canning container : en fr
  • US2323139A - Air-distribution casing : en
  • BE450524A - Process for deliming veneered hides : en fr
  • US2323042A - Process for the electrolytic decomposition of metal compounds : en
  • US2323258A - Apparatus for loading high explosive shells : en
  • US2323044A - Grain drill : en
  • US2323205A - Listing calculator : en
  • FR52007E - Container such as tube or flask for various products and its manufacturing process : en fr
  • US2323035A - Synchronous motor : en
  • DE736865C - Photographic bellows camera : de en
  • FR883276A - Anchoring device for artificial teeth made of porcelain or similar material : en fr
  • ES160748A1 - PROCEDURE FOR THE OBTAINING OF DESSERTS AND SIMILAR : en es
  • FR882998A - : fr
  • GB554428A - Improvements in the bromination of ketones : en
  • DE736803C - Process for the additional compensation of volume fluctuations in the insulating fluid in electrical oil cable systems : de en
  • US2322828A - Detector finger and tip : en
  • ES160793A1 - PROCEDURE FOR USING THE COMPONENTS OF THE COMMON CANE (ARUNDO DONAX), OTHER THAN THE CELLULOSE : en es
  • DE736884C - Process for the production of hexachlorobutadiene : de en
  • FR883334A - Contact coals, especially dynamo brushes containing finely divided metal : en fr
  • DE736999C - Device for circulating photographic baths, in particular developer fluids in film processing machines : de en
  • US2323280A - Decorticating machine : en
  • DE736912C - Combination film : de en
  • DE736920C - Device for deburring the front edges of toothed workpieces : de en
  • ES160177A1 - PROCEDURE FOR THE OBTAINING OF MASSES OF MORTAR TO COVER PARTS OF CONSTRUCTIONS : en es
  • GB554317A - Improvements relating to the manufacture of complex organic antimony compounds : en
  • US2322896A - Grinding and/or lapping machine : en
  • DE737005C - Land and water vehicles : de en
  • FR883344A - Device for filling the warehouse of machines for packing spools and bobbins of thread : en fr
  • US2323025A - Production of artificial fibers from fiber forming liquids : en
  • CH227704A - Process for the representation of a basic ether. : de en
  • ES160672A1 - IMPROVEMENTS IN SWIVEL LEVER SWITCHES : en es
  • US2322794A - Hydrocarbon conversion : en
  • CH227549A - Steam-heated cooking cabinet. : de en
  • CA413528A - Vapour generator : en fr
  • CA413596A - Separating machine : en fr
  • DE736868C - Writing utensils with several pull-out containers for ink, Indian ink, etc. : de en
  • CA413449A - Spur gear wheel : en fr
  • CA413544A - Statistical data transmission system : en fr
  • CH227604A - Magnifying device with automatic focusing. : de en
  • CH227694A - Device for compensating the temperature influence on the electrical data of the oscillating circuit elements of mine detectors. : de en
  • US2323202A - Engine control : en
  • US2323034A - Combined air conditioning and heating unit : en
  • US2323272A - Panel connection : en
  • US2322944A - Lighting fixture for sewing machines : en
  • US2323057A - Assembling and testing fixture : en
  • US2322783A - Preparation of amides : en
  • DE736811C - Method and device for investigating the ground with the aid of neutrons : de en
  • DE736945C - Locking device for the step-by-step switchable rotary table of machine tools : de en
  • CA413573A - Nitrogen-substituted amino methylene ketone production : en fr
  • CH227727A - Insert on vehicle doors. : de en
  • CH227572A - Mountain fittings for shoes, in particular ski boots. : de en
  • CH227565A - Goods take-off device for knitting machines. : de en
  • CH227671A - Accumulator battery. : en fr
  • DE736738C - Self-acting twin suction glass blowing machine : de en
  • CH227658A - Rotatable blade built into the rotor of turbomachinery. : de en
  • GB554284A - Improvements in and relating to ship propulsion with inclined propeller shaft : en
  • US2323248A - Portable power driven saw : en
  • CH227559A - Process for the automatic ejection of a finished hose bag and for the automatic initiation of a new winding process on a bag winder. : de en
  • CH227614A - Front tie. : de en
  • BE450545A - : en
  • ES152686A1 - A PROCEDURE FOR THE OBTAINING OF MAGNETIZABLE METAL POWDER MASS NUCLEI : en es
  • US2322775A - Trigger motor : en
  • DE736715C - Method and device for developing and / or fixing blueprints using the semi-wet method : de en
  • ES157658A1 - A PROCEDURE FOR THE MANUFACTURE OF ABSORBENT PROPERTY TISSUE FABRICS : en es
  • GB554405A - Improvements in or relating to electrical indicating or control systems : en
  • CA413441A - Paper roll holder and dispenser : en fr
  • CH227735A - Change gears for bicycles, motorcycles and the like. : de en
  • CH227542A - Procedure to limit the harmful action of heat on burners and on the mechanical grids of hearths. : en it
  • ES160263A1 - DEVICE APPLICABLE TO MANDRINING MACHINES AND LATHES TO SHORTEN MEASURES OR BORING OR TURNING WITH PRECISION : en es
  • GB554302A - Improvements in or relating to colour-photography : en
  • US2323171A - Method for preparing wet peaches and the like for defuzzing : en
  • US2323200A - Railway brake : en
  • CH227695A - Contact converter with synchronously operated contact devices. : de en
  • AU117148B2 - Method and apparatus for forming artificial dentures : en
  • CA413498A - Formaldehyde catalytical hydrogenation : en fr
  • CH227740A - Arrangement for closing and interrupting an alternating current circuit. : de en
  • CA413525A - Cast metal treatment : en fr
  • US2323149A - High speed mill : en
  • FR883278A - Breathing port for seabed exploration, spearfishing, rescue and more : en fr
  • DE736772C - Slide guide for internal combustion engines : de en
  • ES160690A1 - IMPROVEMENTS IN A SYSTEM FOR AEROGENIC PROPHYLAXIS : en es
  • FR883368A - Gear switch : en fr
  • US2322812A - Bottle cap applying machine : en
  • SU62873A1 - Method for determining corrosion resistance of materials : en ru
  • CH227645A - Knife shaft for planing machines. : de en
  • CH227668A - Control device for power machines controlled by hydraulic fluid. : de en
  • FR883230A - Micromanipulator for microscopic examinations : en fr
  • PL31845B1 - FXG> \ \\\ FXG> \ \\\ FXG> \ \\\ : en pl
  • US2322865A - Means for eradicating tules : en
  • US2322900A - Concrete mixer : en
  • GB554309A - New phenothiazine derivatives : en
  • CH227663A - Flushing and charging device on charged internal combustion engines with external ignition. : de en
  • GB554276A - Improvements in gear wheels : en
  • GB554345A - Improvements in and relating to bakers' ovens and the like : en
  • DE737035C - Theodolite : de en
  • DK61079C - Dry shaft for granular material. : da en
  • US2322755A - Safety device for occupants of vehicles : en
  • US2323217A - Dispensing tool : en
  • FR52066E - Manufacture of heating elements : en fr
  • CH227656A - Toilet flush valve. : de en
  • DE736792C - Permanent cartridge : de en
  • DE736817C - Potato harvester with revolving tine shovel drum : de en
  • ES160712A1 - AUTOMATIC MIES FEEDER FOR THREADER : en es
  • FR883287A - Improvement in the composition of anti-mosquito or other insect products and resulting product : en fr
  • FR883302A - Hand razor usable with safety blades : en fr
  • FR883361A - Method and installation for baking bread : en fr
  • US2323191A - Apparatus for heat curing materials such as rubber compounds, plastics, etc. : en
  • FR883366A - Sizing agents : en fr
  • CH227544A - Power plant with an engine powered by a gas generator. : de en
  • US2322806A - Flash hider for automatic weapons : en
  • ES160743A1 - NEW MOWERING MACHINE SYSTEM : en es
  • CH227631A - Process for the production of composite bodies using metal powders. : de en
  • FR883355A - Non-slip pad that can be instantly placed under any shoe : en fr
  • US2322975A - Means for controlling the operation of vapor generators : en
  • PL31854B1 - Bernard Mntoine de Boysson, Paris r '{Conical friction clutch on a rotating piston pump unit, hydraulically activated : en pl
  • ES160755A3 - SECURITY SYSTEM FOR BICYCLE CALAPIES : en es
  • GB554289A - Improvements in dust traps : en
  • IE16439L - Building slabs : en
  • US2323232A - Apparatus for the production of music : en
  • US2322979A - Process of manufacturing alcohol modified urea formaldehyde resins : en
  • US2323082A - Floor surfacing machine : en
  • US2323234A - Web-guiding, tensioning, fulling, and smoothing mechanism for forming machines : en
  • US2322933A - Automobile door hinge : en
  • US2323197A - Fastener : en
  • CA413586A - Liquid material treating method : en fr
  • DE736783C - Vessel for loading ovens, especially electric arc ovens : de en
  • CH227637A - Method and bending machine for bending pipes and the like in helical form. : de en
  • ES160651A1 - ADJUSTABLE DEVICE FOR SUCCESSIVELY ARRANGED COUNTER-DRIVE AIR PROPELLERS : en es
  • ES160769A1 - DEVICE FOR AUTOMATIC COUPLING OF A DUCT WITH ONE OR ANOTHER TWO PIPES FOR FEEDING A PRESSURE FLUID, IN A MANNER DEPENDING ON EXISTING PRESSURES WITHIN THE POWER SUPPLY PIPES : en es
  • GB554415A - Improvements in or relating to collapsible containers made of or comprising tinned lead : en
  • DE736762C - Melt for connecting parts of electrical discharge vessels made of iron or alloyed steel with parts made of glass or ceramic : de en
  • FR883351A - Ultra-shortwave broadband antenna : en fr
  • ES157351A1 - A PROCEDURE FOR THE MANUFACTURE OF A COMBUSTIBLE CONGLOMERATE : en es
  • ES160772A1 - A PROCEDURE TO BLEACH NATURAL AND REGENERATED CELLULOSE : en es
  • FR883389A - Polyamide shaped articles : en fr
  • BE450778A - Process for preparing dicarboxylic acids containing the urea group : en fr
  • PL31828B1 - The method of washing raw wool : en pl
  • CH227700A - Electric high pressure gas discharge lamp with quartz vessel. : de en
  • CH227742A - Process for the preparation of a diphenyl sulfone derivative. : de en
  • DE736768C - Multi-spindle drilling machine for drilling buttons : de en
  • DE736954C - Aufsetzgehaeuse for ball snap : de en
  • ES159351A1 - NEW GASÓGENO : en es
  • FR883354A - Wooden sole and shoes with this sole : en fr
  • FR883392A - Improvements made to hot gas engines which have a closed cycle : en fr
  • US2322822A - Oil and water emulsion containing electrolytes : en
  • DE736996C - Planer for all-round processing of the surface areas of ingots and similar workpieces : de en
  • ES154575A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES160619A1 - A SOUND TOY MOVIE AND SPECIAL MOVIE : en es
  • FR52047E - Breathing device usable at very high altitudes : en fr
  • US2323131A - Aldehyde condensation product of residual ethers of cashew nut shell liquid : en
  • US2323271A - Grating : en
  • ES160591A1 - IMPROVEMENTS IN THE MANUFACTURE OF TRANSMISSION BELTS, ESPECIALLY FLAT KOREAS, OF POLYAMIDE AND SIMILAR ARTIFICIAL MATERIALS : en es
  • GB554327A - Improvements in shelter structures for passenger queues and other purposes : en
  • GR10109B - TYPE OF CENTRAL HEATING HEATER. : el en
  • CH227538A - Process for producing a matt-glossy layer on ceramic objects. : de en
  • DE736835C - Screw connections of current conductors with low fatigue strength : de en
  • ES160623A1 - PROCEDURE FOR MANUFACTURING FERTILIZERS, STARTING FROM GROSS PHOSPHATES : en es
  • ES160611A1 - PROCEDURE FOR CONSTRUCTION OF ARMED CEMENT FLOORS : en es
  • GB554406A - Improvements in and relating to lubricants for metallic surfaces and methods of making same : en
  • GB554334A - Improvement in surgical dressing units : en
  • USD135891S - Design for a combined stand and in- duction device fob telephones : en
  • CH227586A - Corrosion inhibitors for metals. : de en
  • CA413492A - Electrical cable : en fr
  • CH227583A - Process for the chlorination of nitrocarbazoles and their N-alkyl homologues. : de en
  • ES160730A2 - PROCEDURE FOR OBTAINING BERILIUM BRASS : en es
  • BE450743R - : fr
  • CH227531A - Closing device for the carrying strap of an underpinning net for fishing purposes. : de en
  • DE736776C - Method and device for sterilizing canned food : de en
  • ES160582A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES160740A1 - PROCEDURE FOR THE CONTINUOUS PREPARATION OF CELLULOSE FOR SPINNING SOLUTIONS : en es
  • FR883267A - Improvement in bicycle pumps : en fr
  • DE736771C - Pressurized fluid drive especially for valves and fuel pumps on internal combustion engines : de en
  • ES160586A1 - A PROCEDURE FOR BOILING SUGAR JUICE FOR ITS CRYSTALIZATION : en es
  • GB554305A - Manufacture of monoazo dyestuffs : en
  • CA413553A - Container forming method : en fr
  • US2323020A - Electrostatic condenser : en
  • AU584142A - Improved triangular form of box kite fitted with stabilizing and adjusting braces : en
  • CA413489A - Electrical distribution system : en fr
  • CH227670A - Current collector electrode. : de en
  • US2322814A - Viscosimeter : en
  • US2323219A - Apparatus for obviating distortion in gummed margins of sheetlike articles : en
  • US2323238A - Submarine escape : en
  • PL31868B1 - : en pl
  • CA413516A - Slack filled container selecting apparatus : en fr
  • US2323134A - Semipower press and tandem control : en
  • CA413503A - Food and beverage container : en fr
  • CH227625A - Calculating machine with electric calculator. : de en
  • DE736991C - Procedure for recording the effects of rain in open-air tests : de en
  • ES160544A1 - A PROVISION FOR SEVERAL SELECTORS MANEUVERED BY THE SAME SERIES OF NUMBER CURRENT IMPULSES AND WORKING IN PARALLEL CONNECTION : en es
  • US2323135A - Hand crank mechanism : en
  • US2323179A - Packed type expansion joint : en
  • DE736941C - Electricity self-seller with an adjustable gearbox arrangement for changing the unit price : de en
  • CA413546A - Character displaying apparatus : en fr
  • CH227627A - Projector for showing still images. : de en
  • BE450801A - : en
  • AU117134B2 - Improvements in or relating to devices ofthe kind comprising an electric discharge tube : en
  • SU62828A1 - The way to increase the power of gas suction engines : en ru
  • CH227673A - Wire guide form on the grooved stator iron body of an electrical machine to be machined. : de en
  • PL31849B1 - Maybach-Motorenbau Gesellschaft mit beschrankter Haftung, Friedrichshafen a. B. Variable gear wheel with claw couplings : en pl
  • US2323192A - Regulator circuit : en
  • US2323194A - Apparatus for the production of pulp from cellulosic material : en
  • CA413580A - Coating composition : en fr
  • CH227580A - Process for the preparation of 4,5-pregnenin-ol-(17)-one-(3). : de en
  • DE736795C - Coal mining machine with a swiveling chain cutter arm that is set up for scraping on the lying surface and a circumferential scraper disk that is used for undercutting : de en
  • DE736998C - Method for changing the character of a combination picture : de en
  • FR883207A - Combined regulator for locomotive feed water heater or other similar machines : en fr
  • PL31857B1 - : en pl
  • FR883337A - Attachment of brackets forming a guardrail for factory chimney ladders and similar devices : en fr
  • PL31831B1 - Wilhelm Britz, Cologne U ^ [(a / ty / f? Surface of deckchairs or other furniture, used for lying : en pl
  • CA413587A - Telegraph apparatus : en fr
  • CH227714A - Arrangement for discharging undesired high-frequency currents from an electrical conductor, in particular for interference suppression purposes. : de en
  • SU62862A1 - Method for producing vat dyes anthraquinone-acridone series : en ru
  • CH227573A - Heel matching machine. : de en
  • US2323045A - Sliding tray for automobile compartments : en
  • US2322784A - Guide for strip coilers : en
  • US2323286A - Mold for helical springs : en
  • AU578142A - Improved ground ripping implement : en
  • CA413450A - Material pulverizing machine : en fr
  • AU117143B2 - Improvements relating to slacks and other outer garments for women : en
  • US2322790A - Low draft transport vessel : en
  • US2322885A - Method of making closures for collapsible tubes and the like : en
  • US2323152A - Oil filter : en
  • US2323263A - Polishing cloth : en
  • ES160558A1 - PROCEDURE FOR THE PREPARATION OF INDUSTRIAL OILS : en es
  • CA413470A - Gas blast circuit interrupter : en fr
  • CA413500A - Coccidiosis control remedy : en fr
  • CA413485A - Radio shielded ignition means : en fr
  • AU117133B2 - Improvements in electrically welded hermetic seals : en
  • CH227598A - Device for vertical classification of files. : en fr
  • US2323085A - Retrievable combination bridge plug and packer : en
  • CA413569A - Conveyer : en fr
  • CH227660A - Internal combustion engine assembly consisting of at least two double-shaft opposed piston engines. : de en
  • BE450642A - : en fr
  • CA413572A - Amino-alcohol manufacturing process : en fr
  • US2323155A - Printing telegraph receiver : en
  • USD135896S - Portable refrigerating cabinet : en
  • US2323063A - Ship : en
  • US2322803A - Fastening device : en
  • US2323190A - Can treating machine : en
  • AU883043A - Improvements in bung opening construction of containers having threaded closure plugs : en
  • US2322748A - Rack or supporting structure : en
  • ES160522A1 - IMPROVEMENT IN THE MEANS OF DISINFECTION AND CONSERVATION : en es
  • FR883212A - Paddle Bait : en fr
  • DE736935C - Oven for space heating that can be used as a serving trolley or warming device for dishes or dishes : de en
  • ES155991A3 - DEVICE FOR MANUFACTURING GLASS DROPPER BOTTLES, WHOSE DROPPER CONSISTS OF A SLITTED CAPILLARY TUBE, WHOSE SLIT ENDS IN A HOLE FOR AIR DISPOSED TO THEIR SIDE : en es
  • FR883289A - Advanced rifle for spearfishing : en fr
  • FR883385A - Stepped lens lighting device : en fr
  • USD135881S - Stuffed toy or similar article : en
  • ES160765A1 - IMPROVEMENTS IN THE MANUFACTURE OF ARMED CONCRETE VIGUETTES : en es
  • GB554431A - Windchargers or windmills : en
  • DE736844C - Process for the production of higher paraffinic and olefinic hydrocarbons by the catalytic conversion of gases containing carbon monoxide and hydrogen : de en
  • DE736960C - Automatic starting device for induction motors : de en
  • DK61065C - Procedure for the manufacture of artificial textile threads of animal casein. : da en
  • ES160782A1 - NEW LOCKING SYSTEM FOR WORKING HYDRAULIC CYLINDERS : en es
  • FR883292A - Device for checking delivery dates : en fr
  • US2322897A - Leash stick : en
  • ES160584A3 - A PROCEDURE FOR THE RECOVERY OF COPPER AND NICKEL FROM ALPACA AND SIMILAR ALLOYS : en es
  • GB554330A - Improvements in and relating to quartz or glass to metal seals : en
  • FR883273A - Fixing system for cylindrical or prismatic bodies, such as pipes, cables or others : en fr
  • US2323111A - Process and product : en
  • DK61069C - Barrel band. : da en
  • DK61075C - Chin closure with Securing for Connection of two at a right angle abutting flaps, in particular two Walls of the Box construction of a Vehicle, e.g. a Transport Trolley. : da en
  • FR883317A - Raft for underwater observation and harpooning of fish : en fr
  • DE736955C - Device for opening and closing flap shutters : de en
  • FR52045E - Processing of charcoal for the production of tablets and impregnated charcoal : en fr
  • GB554349A - Improvements in dynamometer excitation control systems : en
  • AU995043A - Improvements in or relating to laminated articles and their methods of manufacture : en
  • FR883266A - Standard crescent cycle saddle usable with any kind of suspension : en fr
  • US2322832A - Power transmission drive element : en
  • DE736777C - Device for controlling the headbox on paper machines : de en
  • DE736915C - Backwash filter base for granular filter material : de en
  • FR883352A - Trusquin : en fr
  • FR883301A - Filter for liquids to be connected to a pipe : en fr
  • US2322980A - Combination refrigerator and vending machine : en
  • DE736816C - Depositing device on potato harvesters : de en
  • CH227692A - Corpuscular jet device connected to a vacuum pump. : de en
  • DE736928C - Multi-phase relay based on the Ferraris principle : de en
  • US2322839A - Automobile top construction : en
  • CA413567A - Hydrocarbon refining process : en fr
  • FR883347A - Oblique disc drive mechanism : en fr
  • GB554410A - Improvements in or relating to air speed indicators : en
  • CH227697A - Electric light metal melting furnace. : de en
  • DE736880C - Rolling mill with a thick driven work roll and a thin work roll that runs as a drag roll and is supported by two pressure rolls : de en
  • DE736850C - AC time switch with synchronously moving contacts : de en
  • GB554429A - Improvements in micrometer gauges : en
  • GB554307A - Improvements in and relating to connecting devices : en
  • FR883208A - Method and means for oil recovery : en fr
  • ES159286A1 - IMPROVEMENTS IN THE CARTRIDGES, ESPECIALLY IN THE ROLLED IRON : en es
  • ES160732A1 - GASKET DEVICE FOR FLANGES WITHOUT PACKINGS : en es
  • FR52038E - Support for reels or wound articles in textile machines : en fr
  • ES160701A3 - FIRE EXTINGUISHING PUMP APPARATUS : en es
  • DK61066C - Articulator. : da en
  • PL31895B1 - Device for stiffening the sheet surface : en pl
  • ES160709A1 - A NEW SYSTEM FOR CONSTRUCTION OF REMOVABLE BOXES : en es
  • US2323213A - Electric fuse : en
  • US2323132A - Method of manufacturing rubber thread : en
  • US2322879A - Combined steel and rubber spring : en
  • US2322750A - Trisazo dye : en
  • US2323209A - Internal combustion engine construction : en
  • DE736994C - Gear for converting a force that increases linearly with the path : de en
  • ES160514A3 - IMPROVEMENTS IN THE MANUFACTURE OF VIBRATORY FILM CURRENT RECTIFIERS : en es
  • US2322796A - Welding apparatus : en
  • US2323186A - Refrigeration : en
  • ES160503A1 - A REPLACEABLE ELASTIC DEVICE FOR VEHICLE WHEELS : en es
  • ES160505A1 - TRANSMISSION MECHANISM TO TRANSFORM A PRODUCTION EFFORT OF A CIRCULAR MOVEMENT RECTIFIED MOVEMENT : en es
  • FR883341A - Process for producing plasters : en fr
  • GB554370A - Improvements in the metallic coating of articles : en
  • GB554275A - Improvements in or relating to induction compasses : en
  • FR883326A - Installation of internal combustion turbines operating with combustion at constant pressure : en fr
  • US2323222A - Carburetor starting device : en
  • USD135884S - Coaster vehicle : en
  • BE450688A - : en
  • DE736838C - Electrolyte, especially for electrolytic capacitors : de en
  • PL31864B1 - : en pl
  • DE736824C - Heating or cooling device for buses : de en
  • DE736828C - Device for removing cartridge cases : de en
  • ES159335A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES160451A1 - PROCEDURE TO CARRY OUT THE CHANGE OF COLD IN THE APPLIANCES FOR FRACTIONING THE AIR AND THE GASES BY MEANS OF ROTATING ORGANS, AND THE APPARATUS TO DO IT : en es
  • ES160527A3 - IMPROVEMENTS IN THE ANGLE SHUT-OFF VALVES, SUITABLE FOR THE STEAM-HEATING PIPES OF THE RAILWAY CARS : en es
  • DE736767C - Automatic electrical control arrangement for the lowering speed of cranes with a DC motor : de en
  • US2322993A - Vertically adjustable bifocal spectacles : en
  • US2322901A - Diestock : en
  • US2323275A - Cord-winding device : en
  • US2322759A - Composition and method : en
  • GB554348A - Improvements relating to ferrous sheets for fabricating into cans : en
  • US2323182A - Glass severing apparatus : en
  • US2323284A - Luminescent material and method of preparing the same : en
  • US2322791A - Juice extractor : en
  • US2323036A - Cream separating milk container : en
  • DE736969C - Schraem and notch machine : de en
  • FR883350A - Device for adjusting the current of motors or the excitation current of generators : en fr
  • ES160773A2 - A CAPSULATED FILTER HERMETICALLY TO GASES : en es
  • CA413554A - Non-skid tire : en fr
  • CH227539A - Flushing water system. : de en
  • FR883328A - Centrifugal machine in which the drum wall is fitted with heating or cooling ducts : en fr
  • DE736852C - Procedure for balancing an alternating current measuring bridge : de en
  • DE736873C - Switch device for railway switches : de en
  • US2323089A - Electrical heating element : en
  • US2323068A - Compressor : en
  • CA413585A - Filter : en fr
  • AU121596B2 - Harmonic generator : en
  • BE450839A - : en fr
  • PL31830B1 - : en pl
  • US2322906A - Isolation of sterols from fats and oils : en
  • US2323140A - Mount support and contact for electron discharge devices : en
  • CH227543A - Wood, lignite, peat and similar oven with closed hearth. : en it
  • CA413564A - Combustion apparatus : en fr
  • US2323163A - Locator for submerged aircraft and the like : en
  • US2323185A - Rubber hydrohalide : en
  • US2322967A - Belt splice : en
  • DE736886C - Refrigerator condenser with attached float valve housing : de en
  • ES160669A1 - ELECTRICAL IGNITION APPARATUS OF PREVIOUS PAYMENT : en es
  • DE737028C - Television transmission arrangement : de en
  • FR52012E - Process for molding solid or hollow blanks of plates and all profiles, in all non-ferrous metals : en fr
  • ES160725A1 - PROCEDURE FOR THE OBTAINING OF FIBROUS SUBSTANCES AND SUGARED CHILDREN FROM ANNULAR PLANTS : en es
  • ES7304Y - New type of automatic unloader with double siphon for all kinds of cisterns or water tanks for toilets. : en es
  • CA413440A - Multiple axle mounting for trailers : en fr
  • DE736871C - Bunker closure, especially for fine-grained goods : de en
  • GB554285A - Method of and apparatus for gravity separation : en
  • US2323108A - Road grader : en
  • US2323227A - Preparation of 2,2,3-trichlorobutane : en
  • US2323159A - Syringe : en
  • US2323187A - Photographic emulsion : en
  • DK61060C - Electric Discharge Pipe. : da en
  • ES159281A1 - IMPROVEMENTS IN CARTRIDGES ROLLED WITH REMOVABLE CULOTE : en es
  • GB554403A - Improvements in and relating to weighting mechanism for the drawing rollers of combing machines and other machines for the treatment of textile fibres : en
  • DE736875C - Device on flat weft knitting machines to avoid disturbances due to incorrectly positioned yarn guides : de en
  • DE735196C - Methods of treating fluid baths, e.g. Metal baths, with gases : de en
  • ES152679A1 - A PROCESS FOR THE OBTAINING OF PRESSED BODIES, ESPECIALLY OF MASS NUCLEI FOR HIGH FREQUENCY COILS : en es
  • DE737006C - Signal araeometer : de en
  • FR883365A - Improvements to watt-hour meters : en fr
  • GB554398A - Improvements in presses for working metal : en
  • ES160500A1 - IMPROVEMENT IN THE MANUFACTURE OF FEATHERS IMMERSION SOURCE : en es
  • CA413543A - Paper feeding device : en fr
  • US2322890A - Vehicle wheel suspension : en
  • US2323281A - Aeronautical engine : en
  • CH227629A - Process for the production of cast iron workpieces with greater resistance to breakage than cast iron. : de en
  • GB554286A - Improvements in brushes : en
  • GB554331A - Dual-type oil-seals : en
  • FR883394A - New process for the production of pulp : en fr
  • FR883357A - Chi-ray tube with movable locator : en fr
  • CH227641A - Device for switching gear-change transmissions equipped with a drive motor with switching elements which are controlled by means of a pressure medium by electromagnets. : de en
  • BE450525A - : en fr
  • CH227744A - Process for the preparation of a solid molecular compound containing mercury. : de en
  • PL31851B1 - Leichtmetallbau Regensburg G. m. B. H., Regensburg Folding metal cabinet : en pl
  • US2322781A - Fire-extinguishing composition of matter : en
  • US2322764A - Governor for internal combustion engines : en
  • US2322934A - Tackless roller shade assembly : en
  • ES160708A3 - AN IMPROVEMENT IN THE MANUFACTURE OF FLEXIBLE SHAFTS FOR THE TRANSMISSION OF FORCE AND MOVEMENT : en es
  • CA413466A - Cartridge sorting machine from empty cases : en fr
  • CH227733A - Device for attaching a stroller to a bicycle. : de en
  • CH227599A - Typewriter with device for obtaining several originals by a single keystroke. : en fr
  • US2323119A - Method of making sponge rubber : en
  • AU579742A - Method and apparatus for forming artificial dentures : en
  • US2322858A - Self-retaining catheter : en
  • PL31884B1 - Method for the production of water-insoluble azo dyes : en pl
  • US2322873A - Grate bar for sintering machines : en
  • US2323079A - Method for treating gasoline : en
  • ES160533A1 - COMPRESSION DEVICE THROUGH ROLLERS TO FORM SHELVES FROM GREEN FORCES UNCOVERED : en es
  • ES160562A1 - A DISPOSITION FOR SEVERAL SELECTORS MANEUVERED BY THE SAME SERIES OF NUMBER CURRENT IMPULSES AND WORKING IN PARALLEL CONNECTION : en es
  • FR883396A - Device for uniform illumination of a surface : en fr
  • DE736973C - Device for washing, leaching, brewing or pickling solid materials : de en
  • US2323151A - Automatic steering control for aircraft : en
  • US2322922A - Comminutor : en
  • US2322895A - Twin carburetor intake silencer : en
  • US2323128A - Method and apparatus for determining liquid level : en
  • GB554419A - Improvements in and relating to carburation devices for internal combustion engines : en
  • CH227644A - Pressure device for grinding devices with sanding belt, in particular for sandpaper grinding devices. : de en
  • CH227662A - Light metal pistons provided with a metal protective layer for internal combustion engines, as well as a method and device for the production of metal protective layers on light metal pistons. : de en
  • US2322919A - Crawler tractor : en
  • US2323276A - Saturated and unsaturated pregnane compounds and process of making same : en
  • DE736983C - Electrical measuring device, especially for testing the insulation of cables : de en
  • PL31888B1 - : en pl
  • CA413520A - Lady's undergarment : en fr
  • ES160775A1 - A PROCEDURE TO BLEACH VEGETABLE MATERIALS CONTAINING CHLOROPHYLL : en es
  • US2322752A - Motion picture film : en
  • US2322770A - Process useful in blind flight training : en
  • DE736797C - Process for the preparation of 5-acetoxycoumarans or 6-acetoxychromanes : de en
  • DE736997C - Feed device for shredding machines : de en
  • FR52018E - Warp-free bias weaving process using short fibers : en fr
  • CA413480A - Fluid treatment controlling apparatus : en fr
  • CH227533A - Gas-tight plate. : de en
  • US2323104A - Uncoiler : en
  • ES159711A1 - A SYSTEM OF CONSTRUCTION OF RETICULAR STRUCTURES FOR VAULTS, FORMED BY SMALL TWIN PIECES THAT ASSEMBLE BETWEEN WITHOUT NEED OF ANY AUXILIARY MEANS, BEING INTERCHANGEABLE, AND NOT NEEDING INTERMEDIATE SUPPORTS : en es
  • CH227690A - Switching device with contacts that are mechanically synchronized with the alternating current to be switched. : de en
  • US2322950A - Adhesive tape dispensing device : en
  • US2323165A - Airscrew : en
  • PL31869B1 - A method of producing sculptured or stone wool by blowing molten materials and a device for using this method : en pl
  • ES159454A3 - A SAFETY PADLOCK FOR KETTLES AND MORE : en es
  • DE736957C - Process for the production of chromium-containing sulphite pulp waste liquors or extracts : de en
  • ES160504A1 - ARMORED REFUGE CONSTRUCTION SYSTEM : en es
  • FR883397A - Airtight closure for bottles and similar containers : en fr
  • FR883386A - Distribution substation with junction lines passing through crossbars with terminals : en fr
  • GB554359A - Improvements relating to window wiper mechanisms : en
  • US2322904A - Casement window adapter : en
  • US2323072A - Frame for glare shields : en
  • CH227578A - Process for the production of figures by pouring sugar masses that are liquid when heated but solidify when cooled. : de en
  • AU117141B2 - hnprovements in load packers for refuse trucks : en
  • US2323093A - Portable receptacle : en
  • GB554396A - Improvements in and relating to devices for securing stair carpet : en
  • CA413490A - Insulated electrical conductor : en fr
  • CH227747A - Capsule microphone. : de en
  • DE736808C - Retraction control for electrically controlled elevator drives u. like : de en
  • US2323189A - Cam grinding machine : en
  • US2323052A - Disk brake for use in motor cars, airplanes, and the like : en
  • US2323175A - Wear testing machine : en
  • CH227712A - Circuit for correcting the duration of electrical pulses. : de en
  • CH227638A - Movable, compressed air operated resistance welding device with exchangeable electrode carriers. : de en
  • US2322976A - Method of producing thin threads from polyvinyl alcohol and its water-soluble derivatives : en
  • US2323097A - Window guard : en
  • CA413494A - Multi-band tuning system : en fr
  • DE736976C - Manufacture of ferrous and silicic acid-free oxides of alkaline earths and earths : de en
  • ES160091A1 - STERILIZATION PROCEDURE AT ALL TEMPERATURES OF PRESERVES OR OF ANY OTHER PRODUCTS CONTAINED IN CONTAINERS THAT CAN NOT SUPPORT PRESSURES THAT CORRESPOND TO THE NECESSARY TEMPERATURES, WITH THEIR CORRESPONDING DEVICE : en es
  • GB554339A - Improvements in and relating to resinous condensation products : en
  • US2323279A - Cargo landplane : en
  • CA413577A - Refrigerator car : en fr
  • US2323067A - Pusher : en
  • US2322907A - L-acylamnoaryl-s-pyrazolones : en
  • US2322949A - Spindle and knob construction : en
  • USD135878S - Strap lewis for burial vault parts : en
  • USD135886S - Cap for a musical instrument mouthpiece : en
  • DE736794C - Impact tool with crank drive : de en
  • DE736913C - Arrangement for recording the travel time curve of floors : de en
  • ES160664A1 - PERFECTED MACHINE WITH HAND DRIVE FOR PRESSURE : en es
  • GB554358A - Improvements in air filtration plants : en
  • PL31839B1 - The method of producing condensation products : en pl
  • PL31847B1 - : en pl
  • US2322831A - Method of and machine for eviscerating fish : en
  • US2323095A - Catline apparatus for hoists : en
  • US2322886A - Adhesive and method of making the same : en
  • US2322984A - Hydrocarbon conversion : en
  • US2323064A - Floating automatic signaling apparatus : en
  • US2322968A - Dyeing panama hats : en
  • US2323084A - Electrical shaving device : en
  • US2322866A - Mercury feeder : en
  • ES159595A1 - PROCEDURE FOR NITROCELLULOSIS FINISHING OF TEXTILES FOR WATERPROOFING : en es
  • CA413443A - Internal heated dryer : en fr
  • CA413530A - Engine starter : en fr
  • US2322929A - Mining chain bit holder and bit : en
  • US2322938A - Stabilization of superpolymers : en
  • US2322763A - Airplane propeller : en
  • CH227619A - Switch-on amplifier for automatic aircraft altitude control. : de en
  • CA413444A - Catalyst production : en fr
  • ES160515A3 - PROCEDURE FOR THE PREPARATION OF HYDROXYL DERIVATIVES OF GAMMA, DELTA-DIPHENYL-N-HEXANE : en es
  • SU62903A1 - Electron beam frequency multiplier : en ru
  • US2323141A - Air controlled work clamping machine : en
  • US2323201A - Tuned circuit and associated devices therefor : en
  • US2323188A - Power filer : en
  • AU576842A - Improvements m amd relating to straight bar knitting machines : en
  • SU62838A1 - Hand knotted knot for carpet weaving : en ru
  • PL31894B1 - : en pl
  • US2323031A - Mop construction : en
  • DE736926C - Electrical rotary switch with liquid switch capsule : de en
  • ES160556A1 - A PROCEDURE FOR WATERPROOFING THE CELOFANA OR VISCOSE LAMINAR, PARTICULARLY SUITABLE FOR PREPARING PATCHES AND PADS FOR PHARMACEUTICAL, MEDICINAL OR SANITARY USE : en es
  • US2322849A - Display container : en
  • US2322836A - Trim material : en
  • FR883240A - Apparatus for determining and adjusting the density of suspensions : en fr
  • FR883323A - Method for the magnetic analysis of mixtures of substances, in particular gas mixtures : en fr
  • US2323112A - Curtain rod : en
  • US2323146A - Breather plug for electric motors : en
  • ES160590A1 - IMPROVEMENTS INTRODUCED IN THE PROCEDURES AND APPARATUS FOR THE HEAT TREATMENT OF DIVIDED MATERIALS, IN PARTICULAR OF SPRAYED CARBON : en es
  • FR883247A - Keyboard controlled photographic recorder : en fr
  • FR883374A - Heating furnace with adjustable and constantly controllable heat source for heating wire drawing filaments : en fr
  • DE736888C - Safety device for pantographs on trams : de en
  • ES160636A1 - A DEVICE TO CLASSIFY, REMOVE WATER OR WASH AQUEOUS MASSES OF FIBROUS MATERIALS : en es
  • AU117130B2 - Improvements in or relating to gear type high pressure liquid displacement devices : en
  • CA413448A - Juice extractor : en fr
  • FR883219A - Multi-effect control device : en fr
  • US2323113A - Electrical relay : en
  • ES160516A3 - IMPROVEMENTS IN THE STEAM HEATING ELEMENTS FOR RAILWAY CARS : en es
  • US2322850A - Treatment of hydrocarbons : en
  • US2322994A - Ignition magneto : en
  • ES157891A1 - A DEVICE TO MEASURE ELECTRICAL ENERGY CONSUMPTION, AVOIDING THE POSSIBILITY OF FRAUD FROM THAT : en es
  • US2323100A - Machine for cutting leg bands : en
  • US2322943A - Telegraph signal measuring apparatus : en
  • ES160542A1 - BRAKE DEVICE, WITH VARIABLE TRANSMISSION IN THE BRAKE VARILLAJE : en es
  • DE736902C - Tool for fur hair removal machines : de en
  • GB554433A - Improvements in, or relating to, fluid flow indicators : en
  • GB554362A - Improvements in or relating to coke-oven wall construction : en
  • US2322859A - Lubricant : en
  • US2322983A - Sales book : en
  • US2323172A - Fluorescent lamp : en
  • CH227590A - Process for the production of plastic masses. : de en
  • US2322964A - Engine starter gearing : en
  • DE737001C - Device for regulating and maintaining the delivery rate of centrifugal pumps or compressors : de en
  • CH227710A - Method for the transmission of acoustic performances by electrical means via a distribution network. : de en
  • DE736826C - Gas control and braking device on the handlebars of motorcycles : de en
  • CH227617A - Measuring device. : de en
  • CH227654A - Elastic coupling. : de en
  • US2322843A - Combination container and cap remover : en
  • US2322868A - Toolholder : en
  • USD135905S - Moconnell headstock for lathes : en
  • US2322956A - Yarn control device : en
  • CH227610A - Device for pencil sharpening machines, by means of which the pencil to be sharpened is first centered and then clamped. : de en
  • CH227636A - Process for soldering foils made of aluminum and aluminum alloys. : de en
  • US2322889A - Collar fabric : en
  • US2323268A - Metallurgical mill reagent feeder : en
  • AU117139B2 - Improvements relating togas cookers : en
  • US2323004A - Envelope and stamp moistener : en
  • CA413539A - Pump : en fr
  • US2322887A - Chemical treatment of paper : en
  • US2322826A - Automatic lock slider for slide fasteners : en
  • US2322782A - Servo system for aircraft : en
  • US2322892A - Door lock mechanism : en
  • PL31829B1 - Dewatering device for tube-articulated couplers for the heating pair of railway vehicles : en pl
  • ES160512A1 - DISPOSITION OF GUIDE OF THE LANZADERAS IN THE CIRCULAR TELESCOPING : en es
  • FR883321A - Board game : en fr
  • CH227709A - Communication system. : de en
  • CA413514A - Diamond abrasive article : en fr
  • CH227706A - Process for the preparation of d (+) - a, y-dioxy-B, B-dimethyl-butyric acid- (3'-oxy-propyl-) amide. : de en
  • CA413522A - Belt splice : en fr
  • US2323176A - Cold diffuser : en
  • US2322963A - Windshield cleaner motor : en
  • CH227681A - Circuit arrangement with discharge devices. : de en
  • CH227734A - Double bike. : de en
  • CH227632A - Process for the production of casting molds for metal foundries. : de en
  • DE736801C - Socket terminal made from sheet metal strips : de en
  • DE736881C - Warning display device for rolling mills equipped with a rolling stock lifting table : de en
  • ES160661A1 - RETIRED SIGNAL DEVICE FOR OXYGEN GAS PROTECTIVE APPARATUS OR COMPRESSED AIR RESPIRATORS : en es
  • FR883290A - Simplified movable contact switch automatically ensuring full flow of electric current : en fr
  • DE736938C - Protection against valve rotation on gas meters : de en
  • DE736820C - Liquid-cooled rotating grinding disc : de en
  • CH227534A - Wood stove. : en fr
  • CH227589A - Process for the production of dicyandiamide synthetic resins. : de en
  • CH227577A - Process for producing an alcohol-free BEZW. Low-alcohol, largely beer-like beverage. : de en
  • CH227621A - Circuit arrangement for suppressing interference voltages, originating from the amplitude modulation of the direct radiation, in the receiver of a device for determining the distance between reflective surfaces with the aid of electromagnetic waves. : de en
  • DE736642C - Device for the transmission of electrical commands on ships : de en
  • DE736885C - Process for processing residues from glycerine distillation : de en
  • CA413453A - Shingle edging and butting machine : en fr
  • CA413575A - Refrigerator car : en fr
  • CH227684A - Process for the production of magnetic cores for high frequency purposes. : de en
  • US2323212A - Refrigeration : en
  • CA413472A - Catalyst reactivation : en fr
  • CA413552A - Electrical switch : en fr
  • CH227687A - Contact converter for high performance with means to relieve the contacts from switching lights. : de en
  • ES160573A1 - A PROCEDURE FOR THE PREPARATION OF VULCANIZABLE RAW RUBBER : en es
  • ES160656A1 - IMPROVEMENTS IN THE MANUFACTURE OF COMPRESSIBLE LEAD TUBE PLUGS : en es
  • US2323193A - Double compounds of calcium salicyclate with pyrazolones : en
  • DE736946C - Device for stapling together components to be joined together, in particular sheet metal : de en
  • CA413579A - Wet bulb thermostat : en fr
  • FR883382A - Compressed material manifold with metal reinforcing rings : en fr
  • SU62836A1 - Vibrating device : en ru
  • US2323032A - Sound recording system : en
  • CH227732A - Vehicle wheel. : de en
  • CH227601A - Device for bending type levers and soldering types onto type levers for typewriters. : de en
  • CH227548A - Electric regulating device for manually loaded firing systems. : de en
  • US2322936A - Starting barrier : en
  • CA413527A - Aircraft sighting apparatus : en fr
  • CH227628A - Nickel-iron alloy spring, especially for thermocompensated oscillating systems. : de en
  • DE736856C - Gradually adjustable ceramic capacitor with an assignment to which a number of fixed opposing assignments are assigned : de en
  • US2322959A - Tanning : en
  • CA413515A - Sliding door structure : en fr
  • FR883345A - Device for examining, by means of an electro-optical scanning device, the lighting of pictures and scenes to be photographed or cinematographed : en fr
  • DE736842C - Process for the compensation of mortar and concrete : de en
  • AU453342A - Improvements relating togas cookers : en
  • US2322757A - Mold for helical springs : en
  • US2323256A - Stovepipe seam : en
  • ES160642A1 - PROCEDURE FOR OBTAINING A SOLID FUEL, IN THE FORM OF PILLS : en es
  • ES160647A1 - A ASSEMBLY TO PRODUCE A CHARACTERISTIC OF EMISSION OR RECEPTION OF VERY DEFINED CONCRETE, WHICH IS ROTATED BY PURELY ELECTRIC WAY : en es
  • SU62948A1 - Differential Duplex Wiring Device : en ru
  • US2322773A - Electrical conductor : en
  • CH227665A - Injection nozzle for internal combustion engines. : de en
  • ES160759A1 - A SUPPORT FOR PARTS OF AN ISSUING OR RECEIVING DEVICE OF T. S. H. WHICH HAS A DISCHARGE PIPE AND ITS ACCESSORIES AT THE SAME TIME : en es
  • ES160760A1 - AN ELECTRICAL ASSEMBLY INTENDED TO MAINTAIN AT CONSTANT LIMITS THE FREQUENCY OF A FREQUENTLY MODULATED OSCILLATION : en es
  • FR882866A - : fr
  • DK61056C - Machine for Reproduction of Mirror Fonts Originals. : da en
  • PL31892B1 - : en pl
  • GB554373A - Improved means for germinating seeds and propagating seedlings : en
  • ES160763A1 - A PROCEDURE FOR THE UNION OF THE NATURAL OR SYNTHETIC RUBBER WITH NATURAL OR SYNTHETIC TEXTILE FIBERS : en es
  • FR883274A - Device for separating in a disc changer with a stack of discs, the lower disc to fall on the platter, from the other discs to remain on the supports : en fr
  • FR883311A - Air conditioning installation : en fr
  • US2322899A - Automatic timing device : en
  • US2322935A - Coat and trousers hanger : en
  • GB554290A - Improvements in or relating to cyanide processes for the recovery of metals : en
  • ES160737A3 - A DEVICE FOR CLEANING ENGINE SPARK PLUGS : en es
  • FR882999A - : fr
  • CH227648A - Loop connecting the ends of a flexible flat link. : en fr
  • AU577842A - Color television system : en
  • CH227685A - Mechanical converter. : de en
  • US2322785A - Suspension : en
  • GB554294A - Improvements relating to gap gauges : en
  • PL31832B3 - Wiktor Ociepko, Warschau A set of cards for copy bookkeeping : en pl
  • FR883373A - Surface hardening process for work pieces : en fr
  • FR883391A - Device for artificially producing and transmitting phonemes electrically : en fr
  • ES160700A1 - ELECTRONAGNETIC BELT BLINDED : en es
  • ES160717A1 - NEW LIGHTING PROCEDURE WITHOUT SHADOWS OF OPERATING SURGICAL REGIONS AND OTHER USES IN WHICH THIS PARTICULARITY IS REQUIRED, WHICH MAY USE THE MOST COLD LIGHT PROCEDURES : en es
  • DE736984C - Test transformer : de en
  • ES160671A1 - PROCEDURE FOR THE PURIFICATION OF MAGNESIA : en es
  • ES160791A3 - A DUST VACUUM CLEANER : en es
  • ES160693A1 - PROCEDURE FOR OBTAINING SOLID RICINO OIL : en es
  • FR883283A - Metal frame for carts of all destinations : en fr
  • ES160511A3 - A FEW PERFECTIONS IN THE MANUFACTURE OF DUST VACUUM CLEANERS : en es
  • GB554281A - Improvements in television systems : en
  • CH227530A - Device for washing agricultural products to be moved by means of a screw conveyor. : de en
  • ES154699A1 - A PROCEDURE FOR THE SIMULTANEOUS OBTAINING OF SEVERAL PHOTOGRAPHIC IMAGES SELECTED ON A SINGLE COMMON AND ABSOLUTELY ACROMATIC IMAGE : en es
  • ES160684A1 - A MIXER PROVIDED WITH A DOUBLE STARTING DEVICE FOR ENGINES FUELED BY GASOGEN : en es
  • FR883327A - Process for manufacturing fine-grained ingots, blocks and plates, free from gas and segregation, in particular from metals and light alloys : en fr
  • FR882945A - Support for recessed turning tools : en fr
  • GB554292A - Improvements in manufacturing processes employing sensitive photographic materials : en
  • PL31841B1 - The method of producing multi-condensation products : en pl
  • GB554420A - Improvements in or relating to tables or the like having hinged legs : en
  • USD135899S - Design for an engine starter : en
  • ES160557A1 - NEW SYSTEM OF CONSTRUCTION OF GRAMOLAS, WITH AUTOMATIC CHANGE OF DISCS, FOR THE CONSECUTIVE HEARING OF THE TWO SIDES OF A CONSIDERABLE NUMBER OF PLATES : en es
  • CH227588A - Process for producing chrome leather. : de en
  • US2323120A - Alloy for grinding balls : en
  • DE736961C - Ion discharge tubes with a vessel wall at least partially made of glass, in which the electrodes are located close together in a common discharge space : de en
  • CH227579A - Evaporation plant. : de en
  • US2322969A - Hub-operated dynamo for bicycles : en
  • DE736909C - Manually operated device for aileron control of aircraft : de en
  • DE736701C - Process for the catalytic conversion of gas mixtures containing carbon dioxide and hydrogen into hydrocarbons : de en
  • ES157936A1 - GASOGEN FOR CONFOPINENE, PINENE AND SUBSTITUTE : en es
  • ES160745A1 - A FILTER CAPSULATED IN A HERMETIC FORM TO GASES : en es
  • PL31861B1 - Mefina S. fl., Binningen ^ ^^ Portable electric sewing machine, housed in a suitcase-like case : en pl
  • ES160613A1 - MOBILE WHEEL FOR FANS OR CENTRIFUGAL PUMPS : en es
  • CA413464A - Irritant gas bomb discharge means : en fr
  • CA413486A - Radio shielded ignition system : en fr
  • USD135885S - Design for a dress : en
  • DE736910C - Role for cylinder lock : de en
  • DE736924C - Line selector circuit with return triggering if there is no call : de en
  • US2323049A - Skate scabbard : en
  • GB554381A - Improvements in or relating to multi-contact controllers or switches : en
  • ES154562A1 - A PROCEDURE FOR THE CONSTRUCTION OR EXECUTION OF FORGED FLOORS AND CEILINGS THROUGH THE ADEQUATE USE OF SPECIAL PIECES OF COOKED EARTH OR MORTAR FOR THE CONSTITUTION OF FORGED AND OF THE ARMED CONCRETE TOWELS THAT SUPPORT IT : en es
  • ES160595A1 - A PROCEDURE FOR THE CONSTRUCTION OF PILOTS OF COMPRESSED CONCRETE : en es
  • ES160726A1 - A DEVICE THAT ALLOWS TO ISSUE A HIGH-FREQUENCY RADIATION DIRECTED FROM VARIABLE DIRECTION : en es
  • CH227606A - Device adapting to a photographic camera and allowing multiple exposures in variable format. : en fr
  • DE736784C - Strutless structure : de en
  • FR52048E - Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products : en fr
  • USRE22339E - Hair drying machine : en
  • FR883342A - Improvements to signaling devices for car and pedestrian traffic : en fr
  • CH227624A - Calculating machine with a slide that moves in relation to the switching mechanism. : de en
  • US2323231A - Method and apparatus for the production of music : en
  • US2323074A - Piston head : en
  • ES160758A3 - DEVICE TO AUTOMATICALLY DIAL NUMBERS OF SUBSCRIBERS TO THE PHONE BY A SINGLE SWITCH : en es
  • DK61067C - Building element, consisting of superimposed metal plates with recesses, which are connected to each other by riveting, welding or by a filling mass arranged in the cavities of the recesses. : da en
  • US2322767A - Computing and registering mechanism : en
  • US2323183A - Obstetrical instrument : en
  • PL31871B1 - L G, Farbenindustric Aktiengesellschaft, Frankfurt n. M. Fungicide and Bactericide : en pl
  • DE736980C - Clamping device for holding flexible electrical conductors : de en
  • US2322815A - Combined lock and alarm for windows and the like : en
  • US2322837A - Printing composition : en
  • US2323230A - Composition shingle : en
  • FR883209A - Improvements to plastic walls reinforced with metal wires such as the casings of pneumatic tires : en fr
  • CH227600A - Ribbon, in particular for typewriters and other office machines. : de en
  • US2322804A - Electrically driven toy vacuum cleaner : en
  • ES160596A1 - A SYSTEM OF TRIPLE INJECTOR FOR ASPIRATION TO ACHIEVE THE ELIMINATION OF ASHES OR SCORDS IN GASOGENS : en es
  • ES160578A1 - A PROCEDURE FOR THE MANUFACTURE OF ANTI-FRICTION METAL BEARINGS : en es
  • GB554291A - Improvements in or relating to photographic objectives : en
  • ES160634A1 - A PROCEDURE FOR PRESSING, STAMPING, CUTTING AND SIMILAR OPERATIONS : en es
  • ES160061A1 - DEVICE TO PREVENT OIL SPILL IN RIGHT VEHICLE BEARING BOXES : en es
  • GB554296A - Improvements in and relating to surgical bandages, dressings and the like : en
  • GB554357A - Improvements in or relating to the coiler mechanism of carding engines, combing machines and other textile machinery : en
  • GR10106B - INDEPENDENT BOXES FOR CIGARETTES OF 20 TO 100 GRAMS. : el en
  • FR883248A - Method and apparatus for molding and deburring shell castings : en fr
  • FR883362A - Purifying device for separating a gas stream from the entrained solid particles : en fr
  • GB554376A - Improved air-tight closure for containers : en
  • DE736903C - Process for suppressing the growth of microorganisms : de en
  • GB554282A - Improvements in or relating to automatic gramophones : en
  • GB554319A - Improvements relating to short wave diathermy apparatus : en
  • DE736702C - Process for the production of waxes : de en
  • FR883233A - Lightweight vibro-tamper machine for concrete and similar areas : en fr
  • GB554298A - Improvements in manufacturing processes employing photographic materials : en
  • GB554347A - Improvements in and relating to apparatus for heat treating lengths of glass tubing : en
  • ES159115A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • GB554306A - Improved cartridge feeding mechanism for automatic guns : en
  • CA413570A - Vegetable and animal oil refining process : en fr
  • FR52008E - Single or double acting motor particularly suitable for oscillating corridors : en fr
  • FR883229A - Dumpster : en fr
  • US2322875A - Electric circuit : en
  • US2323107A - Office desk : en
  • FR883265A - Wood gasifier : en fr
  • FR883284A - heating elements : en fr
  • FR883201A - Manufacturing process of rubber sheaths, particularly applicable to electric cables : en fr
  • ES160697A1 - VALVULAR SYSTEM APPLICABLE TO BOTTLES TO MAKE THEM IRRELLABLE : en es
  • DK61068C - Procedure and Facilities for the Construction of Multi-storey Houses. : da en
  • ES160778A3 - IMPROVEMENTS IN APPARATUS AND MOLDS FOR THE VULCANIZATION OF RUBBER ITEMS : en es
  • GB554402A - Improvements in flexible rods or shafts : en
  • AU117125B2 - Color television system : en
  • US2322838A - Display sign : en
  • FR883388A - Aluminum alloys : en fr
  • US2322918A - Apparatus for tightening electrode joints : en
  • PL31874B1 - Wood distillation method : en pl
  • FR883262A - Fertilizer cord : en fr
  • USD135900S - Design fob an ash tray : en
  • ES158747A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • FR883376A - New application of cellulose acetate and synthetic urea products, and resulting new industrial products : en fr
  • GB554312A - Improvements in and relating to the separation of metal parts cemented together by corrosion : en
  • ES160550A3 - IMPROVEMENTS IN THE HEATERS FOR HAIR CURLING : en es
  • FR883399A - Advanced capacitor : en fr
  • DE736805C - Process for the manufacture of copper oxide rectifiers by oxidizing copper disks after prior heating in a vacuum : de en
  • ES157824A1 - NEW PROCEDURE FOR THE MANUFACTURE OF PHOTOGRAPHIC CANTONERAS : en es
  • FR883312A - Jar or container for transporting milk : en fr
  • DE736713C - Process for the production of cobalt tubes by electrolytic means : de en
  • DE736908C - Clear view of driver's cab windows, in particular of aircraft : de en
  • AU117137B2 - Rubber hydrochloride film : en
  • CA413460A - Vehicle window regulator : en fr
  • US2322821A - Partial esters of ethers of polyhydroxylic compounds : en
  • USD135902S - Design for a suit : en
  • DE736774C - Device on vertical milling machines for turning and moving the workpiece carrier, which is pressed against a pattern shape with yielding force : de en
  • ES159824A1 - PROCEDURE FOR FEEDING FUEL IN EXPLOSION OR INTERNAL COMBUSTION ENGINES : en es
  • ES160618A1 - IMPROVEMENTS IN THREAD CALIBERS : en es
  • GB554388A - Improvements in and relating to tuning indication systems in radio receivers : en
  • DE736836C - Control device for an adjusting motor with direct current pre-magnetized choke coils : de en
  • CH227584A - Process for the production of a metal-containing dye. : de en
  • US2322861A - Constant speed body : en
  • GB554364A - Improvements in self-locking metal washers : en
  • DE736953C - Protection device for ships : de en
  • GB554279A - Improvements in or relating to bearings : en
  • AU121704B2 - Improvements in or relating to laminated articles and their methods of manufacture : en
  • BE450615A - : en fr
  • CH227713A - High-frequency double line passed through an insulating part. : de en
  • FR883360A - Device for winding long strips of film : en fr
  • CH227707A - Fire extinguisher. : de en
  • US2322778A - Method of removing copper and ammonia from cuprammonium yarn : en
  • US2322992A - Telephone system : en
  • US2323136A - Mitten : en
  • PL31853B1 - Manufacturing method of capacitor electrodes c : en pl
  • US2323167A - Treatment of webs or fleeces produced on carding engines : en
  • CA413566A - Paint : en fr
  • US2323133A - Telegraphic transmitter : en
  • US2322925A - Azo compounds and material colored therewith : en
  • US2323115A - Hydraulic resistance apparatus : en
  • CH227683A - Time-of-flight tube with at least one toroidal cavity resonator. : de en
  • AU575442A - Variable tuning systems : en
  • AU352941A - Improvements in or relating to seals between metal and glass members : en
  • CA413479A - Boiler circulation : en fr
  • DE736892C - Outdoor post insulators for crossing for telephone lines : de en
  • CH227551A - Curtain set. : de en
  • US2323274A - Gaseous fuel generator : en
  • US2322841A - Vehicle frame : en
  • USD135874S - Everett corn harvester : en
  • CH227630A - Process for the production of metal fittings as well as metal fittings produced according to the process. : de en
  • GB554355A - An improved means for preventing or obviating the effect of "fretting" between adjoining metal surfaces : en
  • US2322977A - Guide roller support : en
  • CH227705A - Process for the preparation of diphosphoric acid esters of nucleus alkylated derivatives of hydroquinones. : de en
  • DE736972C - Stapling device for sheets : de en
  • ES160220A1 - A MACHINE DESCASCARADORA, SEPARADORA AND CLASIFICADORA OF ALMOND AND SHELL : en es
  • CA413481A - Air filter : en fr
  • CH227611A - Establishment of city maps to make it easier to find streets. : de en
  • DE736851C - Multiple oscilloscope in which several mirrors controlling light indicators are fastened in the middle of band-like support members : de en
  • CA413560A - Railway car truck : en fr
  • CH227541A - Process for separating coke from bottom ash from a mixture of these two materials and device for carrying out this process. : en fr
  • AU577742A - hnprovements in load packers for refuse trucks : en
  • AU590742A - Rubber hydrochloride film : en
  • US2323195A - Scaffolding : en
  • CA413533A - Bumping post : en fr
  • CA413518A - Water insoluble starch product : en fr
  • US2322926A - Asparagus cutter : en
  • FR883293A - Flying machine with flapping wings, set in motion exclusively by the muscular force of man : en fr
  • CH227563A - Process for the production of knit-proof goods by means of cover needles on a flat knitting machine and device for carrying out the process. : de en
  • DE736857C - Adjustable liquid contact thermometer : de en
  • FR883291A - Layout of models or types for typographic printing : en fr
  • CH227561A - Thread catching device on a hose winder, in which the hose winder produced is automatically ejected. : de en
  • CA413583A - Alternating current rectifier : en fr
  • DE724082C - Bearing for clamping non-circular, especially prismatic, conductors using normal jaw clamps : de en
  • CH227567A - Method for connecting lengths of material made of thermoplastic material and device for carrying out this method. : de en
  • US2323094A - Handle for receptacles : en
  • US2322927A - Color printing : en
  • CH227575A - Automatic call waiting machine. : de en
  • US2323215A - Sound recorder and reproducer : en
  • USD135883S - Design for a child s vehicle : en
  • ES160781A1 - NEW REMOVABLE BARRACON SYSTEM, ESPECIALLY CHILLER : en es
  • CH227698A - Gas burner. : en fr
  • DE736923C - Selector with the individual lines assigned, optionally mechanically actuated by control elements contact spring sets : de en
  • CH227666A - Safety transmission device preventing an engine from driving its starter crank back. : en fr
  • PL31840B1 - Method for producing condensation products : en pl
  • US2323253A - Repeater system for magnetic compasses : en
  • US2322942A - Transformer motor : en
  • US2322772A - Oil filter : en
  • US2322851A - Magnetic switch hook : en
  • US2322884A - Amplifying system : en
  • ES160654A1 - PROCEDURE FOR THE OBTAINING OF BERILIO BRASS : en es
  • FR52037E - Cross wire winder : en fr
  • US2322881A - Solvent treating : en
  • US2323206A - Catalytic cracking process : en
  • US2322864A - Trouble cutoff system : en
  • PL31842B1 - Oktaw Hlawaty, Krzeszowice Electric stove for heating and cooking : en pl
  • US2323273A - Panel connection : en
  • DE736775C - Drive for the oscillating needle bar frame of zigzag sewing machines : de en
  • DE736770C - Process for the production of plastics : de en
  • FR883259A - Automatic switch : en fr
  • US2322846A - Hydraulic gate structure and the like : en
  • US2323022A - Process for saccharifying cellulose : en
  • US2323077A - Starch manufacturing process : en
  • US2322792A - Fuel burner system : en
  • DE736790C - Storage of the secondary connecting rod on the bearing shell of the main connecting rod in multi-row internal combustion engines : de en
  • DE736800C - Method for measuring the reference attenuation of telephone microphones and telephones connected to a telephone network : de en
  • DE736916C - Oven for activating carbonaceous material with vertical retorts : de en
  • ES159701A1 - A PROCEDURE TO MAKE BOOKS WITHOUT SEWING OF THREADS : en es
  • ES160680A1 - IMPROVEMENTS INTRODUCED IN THE REGULATING DEVICES OF THE FASTENING PLATES OF THE FOOT OF THE SCREWED SKIING TIE : en es
  • FR883264A - Improvements to sealing boxes for shafts of refrigeration compressors and others : en fr
  • FR883295A - Manufacture of new preparations containing a vat dye and their use in fabric printing : en fr
  • FR883333A - Mechanical pneumatic gauge : en fr
  • DE736861C - Slide for regulating the pressure and the flow rate : de en
  • ES160563A1 - PROCEDURE FOR OBTAINING SUBLIMATE : en es
  • ES160570A3 - CURTAIN AND CURTAIN RUNNER MECHANISM : en es
  • US2323026A - Roadway formation unit : en
  • CA413469A - Gas blast circuit breaker : en fr
  • GB554432A - Improvements in or relating to exhaust nozzles : en
  • SU62949A1 - A device for lubricating a vertical shaft, plunger, etc. : en ru
  • DE736877C - Car body door of pressed metal, in particular for motor vehicles : de en
  • DE736904C - Cleaning leather : de en
  • ES152816A1 - A PROCEDURE FOR DRYING RELATIVELY THICK OR VISCOUS MATERIALS, ESPECIALLY MILK, ON HEATING DRUMS AND CYLINDRICAL ROTARY DRYERS TO EXECUTE THIS PROCEDURE : en es
  • US2322816A - Galvanometer : en
  • US2322960A - Automatically closing pressure release valve : en
  • US2323122A - Air conditioning : en
  • DE736706C - Immersion burner for heating and evaporating liquids : de en
  • ES160795A3 - IMPROVEMENTS IN THE SPEED CHANGE MECHANISMS FOR BICYCLES AND SIMILAR VEHICLES : en es
  • ES159179A3 - LEATHER HOLDING APPLIANCE : en es
  • GB554414A - Improvements in scouring device : en
  • US2322958A - Production of hydroxylammonium sulphate : en
  • DE736947C - Vielmahlkoerpermuehle : de en
  • DE736919C - Process for melting zinc from blast furnace dust with the exclusion of flux : de en
  • US2322853A - Method of and apparatus for testing coils : en
  • US2323261A - Water cycle : en
  • CA413482A - Measuring and control apparatus : en fr
  • CA413484A - Portable display device : en fr
  • DE736862C - Mandrel with lubricant supply for pipe bending machine : de en
  • DE736887C - Railway-free intersection : de en
  • ES159334A1 - IMPROVEMENTS IN THE CARROLL CARTRIDGES, WITH REMOVABLE CULOTE : en es
  • GB554389A - Improvements in the manufacture of refrigerating apparatus : en
  • PL31852B1 - High-speed gate valve, especially for gas and air lines : en pl
  • CH227558A - Method and device for the production of a woven and effective web from endless thread ribbons. : de en
  • DE736780C - Differential : de en
  • GB554337A - Manufacture of saturated and unsaturated pregnane-polycarbonyl compounds and substitution products thereof : en
  • US2323046A - Hair clipper : en
  • ES158693A1 - APPARATUS FOR SHAVING LEAVES OF SHAVING : en es
  • GB554382A - Improvements in toy tanks or like vehicles : en
  • DE735796C - Control device for accounting machines, especially for printing adding machines : de en
  • ES157408A1 - PROCEDURE, WITH ITS CORRESPONDING DEVICE, FOR THE TAKING AND PROJECTION OF CINEMATOGRAPHIC FILMS IN COLORS : en es
  • BE450593A - : en
  • ES160519A1 - A PRESS TO VULCANIZE : en es
  • US2323144A - Tire spreader : en
  • US2323150A - Barrier release : en
  • ES157987A1 - LIGAZON PROCEDURE FOR VEGETABLE CARBON AGGLOMERATES : en es
  • ES159695A3 - A PROCEDURE FOR THE SIMULTANEOUS MECHANICAL OBTAINING OF MATERIAL FOR HATS AND PEELED SKINS FROM SMALL ANIMALS : en es
  • FR52042E - Process for preparing oxidative transformation products : en fr
  • GB554295A - Improvements in and relating to surgical bandages, dressings and the like : en
  • US2323127A - Combination folding bed and tent support : en
  • US2322883A - Oxygen regulator : en
  • CA413576A - Refrigerator car : en fr
  • ES160617A1 - IMPROVEMENTS IN BRAKES OF DISCS FOR VEHICLES : en es
  • ES160766A1 - IMPROVEMENTS IN THE MANUFACTURE OF AUTOMATIC CLOSURES FOR ZIPPERS : en es
  • GB554399A - Improvements in or relating to braces and belts : en
  • DE737004C - Tool for cutting open the shell of a container made of paper, cardboard or the like. : de en
  • FR883277A - Switch for starting lean gas engines, and its assembly diagram : en fr
  • US2322996A - Calculating machine storage device : en
  • US2323173A - Electrode wire : en
  • US2323051A - Electric furnace : en
  • ES159728A1 - AN INSTALLATION FOR THE COOLING OR WARMING OF MATERIAL : en es
  • FR52049E - Process for the preparation of lactones of the cyclopentanopolyhydrophenanthrene series : en fr
  • GB554335A - Improvements in electroplating : en
  • GB554368A - Improvements in or relating to garments of personal wear : en
  • FR883335A - Colorimetric determination and automatic recording of the metal contents of aqueous solutions, in particular calcium and magnesium in hard water : en fr
  • ES160692A1 - AN INSURANCE SYSTEM THROUGH A RETENTION RING : en es
  • GB554360A - An improvement in or relating to self-acting mules and twiners : en
  • GB554856A - Improvements relating to armour for tanks, mechanised armoured vehicles, aircraft, and the like : en
  • US2322913A - Pump : en
  • US2323061A - Isolation of dicarboxylic acids from their mixtures : en
  • US2323076A - Measuring arrangement adapted to check or measure mismatching : en
  • US2323283A - Coffee maker : en
  • GB554313A - Improvements in the process of crystallisation employed in the manufacture of confectionery : en
  • DE737009C - Process and device for the swimming and sinking treatment of coal by means of heavy fluid : de en
  • US2322754A - Timing control system : en
  • US2322971A - Shielded antenna feeder lead or line : en
  • US2323037A - Process of vulcanizing rubber and product produced thereby : en
  • CA413467A - Ship salvaging apparatus : en fr
  • FR52031E - Rotary tubular boiler : en fr
  • DE736922C - Process for the catalytic conversion of gases containing carbon dioxide and hydrogen : de en
  • FR883387A - Diaphragm pump, in particular for supplying fuel to combustion machines and for high pressures : en fr
  • FR883251A - Liquid distillation apparatus : en fr
  • DE736942C - Band body for jewelry and utility purposes : de en
  • ES160720A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • GB554361A - Improvements in or relating to electrical condensers : en
  • US2323168A - Drive for paper manufacturing machines : en
  • FR52041E - Process for impregnating wood and similar materials : en fr
  • GB554288A - A mould for casting chains : en
  • FR52005E - Use of certain vegetable by-products for the manufacture of a nitrogenous food having the same flavor as concentrated meat juice : en fr
  • FR883338A - Multistage Fluid Regulators Enhancements : en fr
  • ES160281A2 - IMPROVEMENTS MADE IN THE FEED MECHANISMS OF THE CAN CLOSING MACHINES : en es
  • FR883316A - Rotary blade pruner : en fr
  • DE736925C - High-frequency electrical line with solid insulation : de en
  • FR883339A - Device for maintaining a uniform composition and temperature of pickling baths in the ferrous metal industry : en fr
  • GB554416A - Improvements in wall or anchorage bolts : en
  • CA413499A - Di-vinyl ketone and di-isopropenyl ketone resin : en fr
  • GB554332A - Improved wheel construction : en
  • GB554346A - Improvements in or relating to tools for and processes of forming metal and other sheet materials : en
  • DE736995C - Holder of hand drilling devices on drilling templates or the like. : de en
  • FR883303A - Assembly process for wooden boxes, or thick materials, without metal nails : en fr
  • DE736985C - Arc lamp for projector : de en
  • ES159815A1 - A PROCEDURE TO REGENERATE RUBBER BALLS FULL OF GAS, FOR EXAMPLE, TENNIS OR SPORTS BALLS : en es
  • ES160633A1 - A DEVICE TO PREPARE AROMATIC LIQUIDS, ESPECIALLY DRINKS : en es
  • DE737012C - Process for the production of synthetic resin molding compounds : de en
  • ES160575A1 - IMPROVEMENTS IN GRADUABLE CUTTING SHEAR SHARP MACHINES : en es
  • CH227745A - Process for the preparation of 1-phenyl-2-dimethyl-aminopropanol (1). : de en
  • US2322874A - Compressor oil cooling system : en
  • CH227719A - Wreath stand. : de en
  • CA413447A - Electric musical instrument : en fr
  • CH227724A - Car heating system. : de en
  • CH227696A - Device for treating a material in a glow discharge. : de en
  • US2322805A - Cap retainer : en
  • US2323129A - Condensation product of formaldehyde and a terpene alcohol and a process of making it : en
  • US2322788A - Counterbalance : en
  • PL31863B1 - Radio Corporation of Flmerica, New York, N.Y, Connection system of the radio receiver with cathodic tuning indicator : en pl
  • CH227571A - Reinforcement fittings that can be mounted and removed from shoes. : de en
  • USD135904S - Design for a tailstock for : en
  • AU652142A - Improvements relating to devices employing fuses forthe protection of electric circuits : en
  • BE450526A - : en fr
  • CH227552A - Device for hanging an object, such as a painting, a mirror, etc. : en fr
  • US2322795A - Apparatus for forming bearings : en
  • US2322978A - Device for withdrawing brake air from diesel engine cylinders : en
  • DK61077C - Combination weld. : da en
  • PL31882B1 - : en pl
  • US2322957A - Direct fired single tube flatwork ironer and drier : en
  • CA413517A - Can body coating machine : en fr
  • CH227634A - Process for producing cast bodies, in particular from light metal and light metal alloys. : de en
  • GB554272A - Improvements in or relating to cinematograph apparatus : en
  • CH227741A - Arrangement for converting devices working as rectifiers or inverters. : de en
  • SU62872A1 - Device for determining the permeability of materials, for example, silk cocoon shells : en ru
  • US2322834A - Seal : en
  • CA413483A - Heat control system : en fr
  • US2323254A - Hair curler : en
  • ES160723A1 - IMPROVEMENTS IN THE APPLIANCES TO LIFT THE NETWORK OF FISHING VESSELS : en es
  • US2323235A - Electromagnetic counting device : en
  • US2322774A - Counterweight apparatus for elevators : en
  • US2322915A - Manufacture of oxalic acid : en
  • US2322758A - Fire extinguishing method and apparatus : en
  • FR52011E - Safety device for lifting devices such as cranes and others : en fr
  • USD135897S - Design foe a holder for garbage cans : en
  • GB554374A - Improvements in or relating to extra air valves for internal combustion engines : en
  • GR10107B - MECHANICAL SYSTEM OF COST OF ENERGY ENERGY. : el en
  • DE736936C - Process for the production of a growth-promoting, throat diseases favorable result : de en
  • US2323062A - Railway switching system and apparatus : en
  • FR883260A - Electric wave amplifier : en fr
  • AU576742A - Audio frequency amplifiers : en
  • CA413451A - Motion picture projection mechanism : en fr
  • US2322948A - Vacuum cleaner : en
  • USD135890S - Fountain pen and pencil clip or the like : en
  • SE107764C1 - : en
  • US2323214A - Glass tube baking apparatus : en
  • ES160695A1 - IMPROVEMENTS INTRODUCED IN THE DOORS, ESPECIALLY VEHICLES, THAT OPEN PARALLEL TO THEIR POSITION OF CLOSURE : en es
  • ES160629A1 - IMPROVEMENTS INTRODUCED IN THE CEILINGS OF VEHICLES : en es
  • FR883364A - Improvements to support gear, such as, in particular, props : en fr
  • GB554400A - Improvements in insulated wire uuits and method of making same : en
  • DE736899C - Headlights for motor vehicles with double-filament dimming bulb : de en
  • DE736968C - Process for the production of pipe filters, in particular well pipe filters : de en
  • FR883254A - Swivel support swiveling in all directions for electric sander : en fr
  • GB554328A - Improvements in and relating to power presses : en
  • US2323216A - Method of making resilient couplings : en
  • CA413538A - Catalyst reactivation : en fr
  • FR883281A - Fabric filter, of special shape, with multiple and integral elements, of large surface, quick assembly and disassembly, fixing and sealing of the joint by self-vacuum : en fr
  • GB554301A - Improvements in photographic materials : en
  • GR10110B - AUTOMATIC TEMPERATURE REGULATOR. : el en
  • ES160589A2 - PROCEDURE FOR THE PREPARATION OF INDUSTRIAL OILS : en es
  • GB554430A - Vehicle frame and method of forming same : en
  • FR52039E - Device for clamping and for releasing workpieces with a conical seat on or in shafts : en fr
  • AU963043A - Harmonic generator : en
  • CH227643A - Process for improving the properties of magnesium-based alloys containing one or more ceric earth metals. : en fr
  • US2322921A - Suction cleaner : en
  • US2322824A - Turbine driven blower : en
  • US2323010A - Machine tool attachment : en
  • DE737014C - Overpressure impeller for internal combustion turbines : de en
  • GB554274A - Improvements in and relating to plastic composition pipes and tubes : en
  • CA413581A - Cast metal ingot : en fr
  • ES160754A1 - IMPROVEMENTS INTRODUCED IN THE FUEL INJECTION PUMPS : en es
  • ES159358A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF PACKAGES FOR PORTIONS : en es
  • ES160682A1 - PERFECTED SYSTEM OF GRILLS IN KITCHENS THAT BURN CARBON MENUDO : en es
  • ES158820A3 - A DEVICE TO REGISTER TELEGRAPH, TELEPHONE, POSTAL ADDRESSES, ETC. : en es
  • GB554391A - Improvements in securing devices : en
  • ES160583A2 - A PROCEDURE FOR OBTAINING B-ARALKYLAMINOCOMBINATIONS : en es
  • DE736766C - Casting machine, in particular for casting or pressing magnesium : de en
  • FR883258A - Metal frame of a mast allowing the use of the wind on a canopy, helping to propel velocipeds : en fr
  • FR883318A - Process and installation for the recovery of volatile solvents : en fr
  • ES160687A1 - PROCEDURE FOR SOLUBILIZATION OF NATIVE CELLULOSE : en es
  • DE736848C - Method for representing connections of the pregnan series : de en
  • FR883310A - Internal combustion engine : en fr
  • GB554351A - Improvements in joints for electric conductors : en
  • ES157435A1 - IMPROVEMENTS IN THE MANUFACTURE OF VIBRATED CONCRETE AGGLOMERATES : en es
  • US2323154A - Washing apparatus : en
  • CH227568A - Elastic drawstring for garments. : de en
  • US2323071A - Drawing compound : en
  • US2323236A - Temperature regulating and ventilating system : en
  • CA413582A - Detachable electrical connector : en fr
  • FR883279A - Improvements in or relating to oleoresinous products : en fr
  • ES160564A2 - A PROCEDURE FOR OBTAINING THE STEREOISOMERS 1-PHENYL-2-DIMETHYLAMINOPROPANOLES (1) : en es
  • CA413600A - Heating apparatus : en fr
  • US2322844A - Rubber and metal unit for resilient mountings, couplings, and the like : en
  • CH227746A - Device with exchangeable hollow needles for performing punctures and injections. : de en
  • DE737019C - Process for rectifying multicomponent mixtures : de en
  • CA413445A - Valve shut-off device : en fr
  • DE736989C - Display device for the fuel consumption per unit of travel in motor vehicles with a straight speed indicator and a logarithmically curved consumption indicator : de en
  • CA413590A - Shock absorber : en fr
  • DE736882C - Process for improving the resistance of cellulose fibers dyed with Kuepen dyes to the effects of light which is harmful to the fibers : de en
  • DE737010C - Beacon method for simultaneous messaging : de en
  • ES160638A1 - AN AMPLI-ELECTRO-PNEUMATIC ORGAN : en es
  • CH227633A - Process for producing cast bodies, in particular from light metal and light metal alloys. : de en
  • BE450579R - : fr
  • DE736778C - Fluid pump with compressed air drive : de en
  • US2323023A - Automatic weighing mechanism : en
  • CA413468A - Gas blast circuit breaker : en fr
  • US2323114A - Pole piece assembly : en
  • CA413550A - Connector for electrical conductors : en fr
  • DK61072C - Procedure for Making Bundles of Sheet Paper. : da en
  • US2323224A - Drain valve housing : en
  • US2323242A - Electric organ system : en
  • CA413532A - Electric fuse and switch construction : en fr
  • PL31865B1 - : en pl
  • US2323174A - Apparatus for stacking sheet material : en
  • CA413507A - Dithiocarbamate preparation : en fr
  • CA413568A - Plastic material manufacture : en fr
  • CH227737A - Device for limiting the setting angle of the blades of hydraulically adjustable propellers. : de en
  • CH227723A - Detachable coupling for trailers, tow ropes and the like from the driver's seat of a vehicle. : de en
  • US2323223A - Flotation tank : en
  • US2323270A - Dry ice refrigerating unit : en
  • CH227642A - Method of increasing the corrosion resistance of alloys based on magnesium and further containing ceric earth metals and manganese. : en fr
  • FR883275A - Transportable radiator : en fr
  • FR883243A - Static current converter with voltage adjustment : en fr
  • CH227657A - Hydrodynamic torque converter, in particular for motor vehicles. : de en
  • AU117149B2 - Improvements in bung opening construction of containers having threaded closure plugs : en
  • CA413524A - Rail bond : en fr
  • US2323252A - Electric service installation : en
  • DE736806C - Process for the manufacture of copper oxide rectifiers : de en
  • DE737000C - Centrifugal pump for milk, cream or other liquid foods : de en
  • US2323041A - Extensible fire ladder and elevator : en
  • US2323143A - Brassiere and breast pad : en
  • USD135888S - Design for a shoe rack : en
  • DE736807C - Suction gas generator with rising draft and supply of airless steam above the grate or the ash layer : de en
  • DE736958C - Blade made of steel support body and sleeve made of ceramic material for centrifugal machines, especially steam or gas turbines : de en
  • CA413557A - Dispensing carton with hinged covers : en fr
  • US2322909A - Flexible conduit coupling for shellless washers and the like : en
  • US2322914A - Manufacture of mononitriles of dicarboxylic acids : en
  • US2322762A - Heat motor actuated device : en
  • US2323105A - Method of assembling plywood : en
  • CA413513A - Acetone dehydration process : en fr
  • CA413598A - Radio transmitter keying arrangement : en fr
  • GB554393A - Improvements in gauging devices : en
  • CH227680A - Selective protection. : de en
  • CH227591A - Process for the production of a complex polymer from vinyl chloride. : de en
  • US2322924A - Method of making motors : en
  • PL31860B1 - A device for converting mechanical energy also into mechanical energy, but with other properties, by means of electricity, used in particular for the propulsion of vehicles : en pl
  • CH227677A - Electrical device with an insulating agent. : de en
  • ES160641A3 - ELECTRIC GUN FOR SPRAY PAINTING : en es
  • US2322766A - Machine for making certain rubber goods : en
  • US2322813A - Scale : en
  • FR883294A - Articulated sole in rigid materials, especially wood : en fr
  • CH227540A - Lock for windows and doors, especially balcony and patio doors. : de en
  • CA413558A - Grinding and classifying mill : en fr
  • PL31872B1 - : en pl
  • PL31887B1 - Erik Vilhelm Walter Hallwyl von Geijer, Stockholm : en pl
  • DE736966C - Device for adjusting the free play of the lower guide rollers of a sliding door : de en
  • US2322811A - Bolt : en
  • US2323006A - Fuse construction : en
  • CH227582A - Process and apparatus for the dehydration of aqueous solutions of formic acid. : en fr
  • US2323087A - Self-propelled corn harvester : en
  • US2323164A - Lens grinding or polishing machine : en
  • AU117129B2 - Welding rod holder : en
  • US2322802A - Stocking blank and method of knitting the same : en
  • US2323138A - Tuning barrel for wind instruments : en
  • US2323285A - Ring binder : en
  • BE450447A - : en fr
  • CH227608A - Device for taking into account the elongation factor when using filters on photographic and cinematographic apparatus. : de en
  • GB554379A - Improvements in or relating to engine or compresser valves : en
  • US2322798A - Automobile accessory : en
  • US2322995A - Mattress handle : en
  • US2323266A - Electrical control system : en
  • DE736937C - Shaft furnace operated with three-phase current for melting glass : de en
  • ES158892A1 - PROCEDURE FOR THE MANUFACTURE OF ALLOYS BASED ON CINC : en es
  • CH227585A - Process for the preparation of a derivative of the anthraquinone series. : de en
  • FR883228A - Improvement in heating installations with superheated water under pressure, produced in a hot water calorifier by mixing : en fr
  • USD135894S - Design for a bottle : en
  • US2323245A - Record holder file : en
  • US2323158A - Humidifier : en
  • CA413589A - Cloth cutting machine : en fr
  • DK61057C - Compression chiller. : da en
  • DK61062C - Apparatus for heat exchange between gases by means of movable heat exchange bodies. : da en
  • ES158744A3 - A PROCEDURE FOR OBTAINING A GOLDEN COATING ON SHAVING BLADES : en es
  • FR883280A - Manufacturing process for peppers and peppers : en fr
  • FR883390A - Method for producing color photographic images : en fr
  • GB554394A - Improvements relating to apparatus for forming rolls of sliver of flax, hemp, jute and other fibres : en
  • FR883336A - Process for manufacturing hard sheets or plates, capable of being sewn and obtained from transparent thermoplastic synthetic products or similar products : en fr
  • SU62931A1 - The method of masking ships at sea : en ru
  • DE736791C - Foettinger gear for road and off-road vehicles : de en
  • US2322870A - Resin from halogenated hydrocarbons and similar materials : en
  • US2322970A - Transmission synchronizer : en
  • US2322845A - Method of making black iron sheet metal containers : en
  • US2323240A - Toy railway mail car or the like : en
  • ES159951A1 - NEW SYSTEM OF PÚA, OF MULTIPLE APPLICATIONS, WITH WHICH IT CAN BE BENDED, RETURNED AND HILAR : en es
  • FR52003E - Method and apparatus for reducing lamp scintillation on very low frequency networks : en fr
  • DE736940C - Coin pocket to hold more than one coin for self-sellers or the like. : de en
  • ES160599A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRICAL LAMPS FOR INCANDESCENCE OR DISCHARGE PIPES : en es
  • US2322862A - Weighing mechanism : en
  • ES160600A1 - IMPROVEMENTS IN THE MANUFACTURE OF ALDOLES : en es
  • USD135893S - Correspondence polder or similar article : en
  • DK61071C - Wire hanger closure for decoction and storage glass. : da en
  • ES151585A3 - IMPROVEMENTS INTRODUCED IN THE CYLINDER MILLS USED IN THE FLOUR FACTORIES : en es
  • GB554424A - Improvements in and relating to electric discharge devices and a method of manufacture thereof : en
  • US2323123A - Book lock binder : en
  • US2323092A - Universal corn cutter : en
  • CA413487A - Aircraft structure surface construction : en fr
  • CA413493A - Glass tube tipping-off apparatus : en fr
  • US2322847A - Lock slider : en
  • US2323233A - Dispensing device : en
  • CA413446A - Electric musical instrument : en fr
  • CA413565A - Metal cable hanger : en fr
  • CH227722A - Dismountable transport trolley. : de en
  • ES160526A1 - A UNIVERSAL ELASTIC SUSPENSION DEVICE FOR THE ASSEMBLY OF MACHINES : en es
  • GB554371A - Improvements in or relating to noise reducing arrangements for discharge tube amplifiers : en
  • FR52013E - Improvements to high frequency hardening processes and devices : en fr
  • PL31885B1 - : en pl
  • ES160109A1 - A PROCEDURE TO MAKE BOOKS WITHOUT THREAD SEWING : en es
  • FR52030E - Self-injected vapor fuel wood gasifier : en fr
  • FR883371A - Device for the electro-inductive heating of work pieces : en fr
  • US2323015A - Machine for setting or driving rivets and the like : en
  • SU62928A1 - Magnetic sound recorder : en ru
  • US2323178A - Ventilating unit : en
  • CH227736A - Railway crossing. : en fr
  • ES160705A1 - AN APPARATUS FOR THE STEREOFONIC REPRODUCTION OF SOUNDS : en es
  • GB554418A - Carrying cases for wearing apparel : en
  • GB554426A - Regulation of repeater gain : en
  • DE737016C - Process for catalytic wastewater treatment : de en
  • US2322818A - Float : en
  • US2323250A - Signaling system : en
  • FR883223A - Improvements made to control devices for rotating a part according to a determined amplitude in one or the other direction, in particular the spinning wheels of aviation antennas : en fr
  • GB554297A - Improvements relating to colour photography : en
  • DK61073C - Method and apparatus for making a closure with reinforcing ribs for paraffined or similarly impregnated paper containers. : da en
  • ES160552A3 - SOME PERFECTIONS IN THE ELECTRIC IRONS : en es
  • US2322877A - Coupling : en
  • US2322911A - Valve mechanism : en
  • US2323251A - Valve operating mechanism : en
  • CA413495A - Converter circuit : en fr
  • US2322743A - Package dyeing machine : en
  • US2323118A - Floor covering and method for making the same : en
  • US2323181A - Production of improved cellulosic materials : en
  • US2322820A - Monoesters of inner ethers of hexahydric alcohols : en
  • US2323126A - Multithrow relay : en
  • US2323228A - Shoe form : en
  • DE736964C - Component with ribs for aircraft : de en
  • US2323021A - Relief valve : en
  • CH227560A - Method and device for influencing the tension of a running thread. : de en
  • US2323177A - Plow bottom : en
  • ES152089A3 - A PROCEDURE, WITH ITS DEVICE, TO CUT ENDLESS FIBER BANDS, WASTE FIBERS AND OTHER LONG SPINNING FIBER MATERIAL : en es
  • ES7329Y - Detachable container box for transporting goods. : en es
  • FR883320A - Process for subsequent treatment of oxidation films on aluminum and its alloys : en fr
  • GB554329A - Impedance hatching networks for use in electrical transmission systems : en
  • US2323039A - Welding apparatus : en
  • US2323011A - Hat support for hat boxes : en
  • US2323018A - Screw driver : en
  • CH227546A - Plane grate with water cooling. : de en
  • US2323166A - Altimeter regulator : en
  • DE736773C - Flywheel magneto igniter, in which light and Zuendanker are arranged on a common anchor plate : de en
  • PL31843B1 - Company Willy Vogel, Berlin Cantral automatic lubrication pump for machine tools : en pl
  • US2322946A - Sewing machine support : en
  • CA413478A - Combined record form and window envelope : en fr
  • PL31835B1 - The method of producing ultramarine : en pl
  • FR883225A - Development of portable gasifier purification and filtering devices : en fr
  • CH227553A - Cabinet door seal. : de en
  • DE736855C - Device for keeping transparent panes clear, in particular aircraft : de en
  • PL31880B1 - : en pl
  • US2322855A - Method and apparatus for raising and permanently supporting heavy structures : en
  • CH227659A - Power generation plant powered by a water turbine. : de en
  • ES160592A1 - NEW ACCOMMODATION SYSTEM FOR ADJUSTABLE AERIAL PROPELLERS : en es
  • FR883332A - electrical distribution equipment : en fr
  • US2322966A - Liquid dispenser : en
  • PL31877B1 - A device for reproducing pictorial films containing a light source in the form of a discharge lamp filled with high-pressure metal vapors, placed without the use of a special lamp cover in an appropriate projection device in front of a screen containing film discs : en pl
  • US2322953A - Coated fabric : en
  • FR883315A - Channel cylinder device for internal combustion engines with piston : en fr
  • CA413584A - Wire drawing mechanism : en fr
  • FR883227A - Intermittent advancement device, especially motion pictures : en fr
  • FR883322A - Disc brake : en fr
  • ES152140A1 - A POCKET CHAMBER : en es
  • DE736897C - Process and measuring device for determining the twist properties of twisted conductors in telecommunication cables or other conductor systems : de en
  • FR883297A - Mechanism with rectilinear dial applicable to current clocks : en fr
  • CH227689A - Method of making capacitors with layered dielectric glass. : de en
  • ES160616A1 - CONTACT BANK FOR SELECTORS : en es
  • GB554326A - An improvement in or relating to tool boxes for metal planing machines : en
  • ES159761A1 - A PROCEDURE TO WASH SHARP BODIES : en es
  • AU117131B2 - Improvements relating to devices employing fuses forthe protection of electric circuits : en
  • CA413542A - Liquid purification : en fr
  • FR883282A - Thermal balances : en fr
  • PL31879B1 - : en pl
  • US2323264A - Construction of cooling units : en
  • CH227688A - Electric discharge vessel. : de en
  • DE736779C - Device for venting and ventilating a conveyor pipe connected to a pump like a lifter : de en
  • US2322945A - Ventilated lamp housing : en
  • CH227566A - Electrically powered vacuum cleaner. : de en
  • CH227569A - Gaiter. : en fr
  • DE736854C - Process for the production of a vapor or gas-filled discharge vessel with a control electrode : de en
  • CH227607A - Method and device for maintaining the operational readiness of motor-driven precision mechanical apparatus at low temperatures. : de en
  • CH227574A - Method for reinforcing insoles and machine for carrying out the method. : de en
  • CH227675A - Arrangement for reactive power control in alternating current networks. : de en
  • CA413551A - Stranded cable connecting method : en fr
  • DE731078C - Rotationally symmetrical reflector : de en
  • DE736853C - Type of current and voltage display device : de en
  • DK61063C - Procedure for spinning molten, organic, filamentous substances. : da en
  • PL31834B1 - A device for heating a pair of vehicles running on rails : en pl
  • US2322747A - Machine for treating cigarettes : en
  • AU421242A - Improvements in or relating to devices ofthe kind comprising an electric discharge tube : en
  • CH227613A - Ski binding. : de en
  • ES160699A1 - A PROCEDURE FOR DESULFURING MATERIALS CONTAINING COMPOUNDS OF ALKALINE EARTH METALS AND PARTICULARLY THOSE INTENDED FOR THE MANUFACTURE OF CEMENT : en es
  • ES160780A1 - CLAMPING DEVICE FOR INSTRUMENTS : en es
  • CA413471A - Gas blast circuit breaker : en fr
  • GB554321A - Improvements in or relating to photographic cameras : en
  • AU121706B2 - Improvements in or relating to laminated articles and their methods of manufacture : en
  • CA413562A - Mechanically operated contactor switch : en fr
  • CH227622A - H-Adcock antenna. : de en
  • FR883256A - Carburetor corrector : en fr
  • GB554268A - Improvements in sizing : en
  • BE451274A - : en fr
  • CA413531A - Railway spring switch mechanism : en fr
  • DE736735C - Process for the rearrangement of oximes of ring-shaped ketones : de en
  • PL31866B1 - : en pl
  • DK61064C - Melting and Spinning Apparatus for Melting Spinning Processes. : da en
  • FR883343A - Store for machines to package coils or bobbins of thread in boxes : en fr
  • FR883369A - New catering table : en fr
  • DE736889C - Method for controlling light currents with the aid of corpuscular beams : de en
  • DE736837C - Arrangement for generating a high DC voltage from a low DC voltage : de en
  • DE737011C - Device for coordinating a treatment circuit with Lecher's system with the excitation circuit in shortwave or ultra-shortwave therapy devices : de en
  • ES160721A3 - A PROCEDURE FOR DISTANCE AND SOUND MEASUREMENTS BY MEANS OF REFLECTIVE WAVES : en es
  • PL31836B1 - : en pl
  • ES160724A1 - ALTERNATE OR THREE-PHASE CURRENT GENERATOR FOR CONSTANT VOLTAGE, WITHOUT REGULATOR : en es
  • CH227711A - Method for generating a large number of harmonics from breakover oscillations of a given fundamental frequency. : de en
  • CH227739A - Process for the production of an anti-corrosion coating compound. : de en
  • DE736990C - Method for measuring the concentration of substances with a depolarizing effect : de en
  • ES159322A1 - IMPROVEMENT IN THE MANUFACTURE OF SHOES : en es
  • US2322829A - Dredge : en
  • US2322860A - Heat control time switch : en
  • US2322999A - Road grader : en
  • US2323204A - Vehicle suspension mechanism : en
  • CA413535A - Electric blasting cap : en fr
  • US2322840A - Clutching mechanism : en
  • DE736987C - Reflector, especially for electric radiators or electric hotplates, irons and the like. like : de en
  • ES160689A1 - RETIRED SIGNAL DEVICE FOR OXYGEN GAS PROTECTIVE APPARATUS OR COMPRESSED AIR RESPIRATORS : en es
  • FR52046E - Process for preparing a fiber with high felting and fulling ability, and high heat retention : en fr
  • US2322797A - Storage rack : en
  • ES160670A1 - RETIRED SIGNAL DEVICE FOR OXYGEN GAS PROTECTIVE APPARATUS OR COMPRESSED AIR RESPIRATORS : en es
  • FR52033E - Method and apparatus for champagne fermentation : en fr
  • DE736893C - Device to suppress the negative anode voltage jump when the anodes of an inverter are deleted : de en
  • ES160655A1 - IMPROVEMENTS IN THE MANUFACTURE OF COMPRESSIBLE LEAD TUBE PLUGS : en es
  • ES160731A1 - PROCEDURE FOR THE OBTAINING OF MEANS TO COMBAT THE BAD HERBS : en es
  • DE736802C - Jaw clamp for connecting electrical conductors : de en
  • DE737013C - Rain device : de en
  • DE737027C - Method and device for the automatic lowering, lifting and forwarding of loads, e.g. Objects in heat treatment facilities : de en
  • FR883300A - Safety device for operating rack jacks : en fr
  • FR883306A - Compressor device, motor, vacuum cleaner, energy recuperator, accumulator of this energy, user as a motor of this energy recovered and stored in the form of air or other compressed gas, or liquid and compressed gases : en fr
  • GB554323A - A new or improved kitchen furniture unit or combination : en
  • ES160686A1 - CONTINUOUS PROCEDURE FOR OBTAINING VISCOSE : en es
  • ES160787A1 - IMPROVEMENTS IN ROTATORY EQUIPMENT COMPRESSORS : en es
  • FR883246A - Shoe : en fr
  • FR883383A - Container enclosing, in a common ampoule, chambers separated from each other in an airtight manner by partitions, and method of closing this container : en fr
  • GB554422A - Improvements in or relating to chucks for lathes : en
  • FR883331A - Contact lines for electric railways : en fr
  • US2323260A - Fastener : en
  • DE736993C - Gate valve for liquids and vapors with double-sided sealing plates : de en
  • FR883285A - Pumps for liquid fuels with a lubricating piston concentric with the injection piston : en fr
  • GB554269A - Improvements in the method of and means for making hollow concrete units : en
  • ES160553A3 - IMPROVEMENTS IN THE MOLDS FOR THE MANUFACTURE OF HOLLOW BODIES : en es
  • CH227646A - Device for sharpening double-edged razor blades. : de en
  • FR883205A - Process and installation for the manufacture of vulcanized rubber tapes : en fr
  • FR883211A - Process for the synthesis of high molecular weight fatty acids and derived oils and fats from low molecular weight fatty acids : en fr
  • GB554366A - Improved stretcher : en
  • ES160612A1 - PROCEDURE FOR THE CARBONIZATION OF VEGETABLE RESIDUES : en es
  • DE736890C - Directly displaying direction finder : de en
  • FR52006E - Improvements made to the gasifier supply piping : en fr
  • US2322842A - Emergency plug for water pipes : en
  • US2323028A - Internal combustion engine : en
  • US2322923A - Silo door and silo : en
  • CA413541A - Motorcycle shaft drive : en fr
  • DE736799C - Pantographs for electric rail vehicles : de en
  • ES160768A3 - A PROCEDURE FOR THE HYDROGENATION OF OILS AND FATS : en es
  • FR52043E - Process for the manufacture of a means for destroying red mites of honey flies : en fr
  • ES160565A1 - A PROCEDURE FOR APPLYING PRECIOUS METAL COATINGS TO METALLIC OBJECTS AND BASES : en es
  • ES160751A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • FR52019E - Improvements to the processes for obtaining purified latex, rubber, gutta-percha, balata or analgesia : en fr
  • GB554409A - Improvements in or relating to stropping devices for safety razor blades : en
  • US2322880A - Process of pickling, curing, and preserving fruits and vegetables : en
  • US2322819A - Sheet piling : en
  • FR883245A - Spark plugs incorporating a mica insulator for internal combustion engines : en fr
  • US2323002A - Fluorescent light fixture and shade : en
  • ES160675A3 - MECHANISM APPLICABLE TO MACHINES FOR THE MANUFACTURE OF PLAIN STOCKINGS OR SOCKS IN DOUBLE-SIDED ELASTIC CHANNEL, WHICH ALLOWS TO OBTAIN COMBINED AND LISTED DRAWINGS : en es
  • DE736952C - Pressure compensation device for hydraulic brakes of motor vehicles : de en
  • ES160529A3 - IMPROVEMENTS IN THE MANUFACTURE OF THE FLEXIBLE TUBES USED FOR THE JOINT OF THE BELLOWS TO THE VALVE OF THE TIRES, MOTORCYCLES AND BICYCLES : en es
  • FR883358A - Combustion chamber, in particular for gas turbine installation : en fr
  • CA413506A - Separation apparatus : en fr
  • ES160536A1 - IMPROVEMENTS INTRODUCED IN THE TRANSFERS OF REGULATION OF GRADUABLE HEADS : en es
  • US2322823A - Air brake : en
  • US2322891A - Flag mounting : en
  • US2322777A - Heat treatment of hardenable steel : en
  • CA413519A - Water insoluble starch product : en fr
  • CA413511A - Nylon yarn processing : en fr
  • CA413508A - Pest control composition : en fr
  • US2323012A - Carriage operating mechanism for accounting machines : en
  • US2323170A - Spot adjusting mechanism for radio transmitters : en
  • CA413597A - Mining machine : en fr
  • US2322965A - Tread construction : en
  • CH227532A - Timber construction enclosing the room. : de en
  • ES160093A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • FR883395A - Suspension for track rollers for tracked vehicles : en fr
  • ES160746A1 - NEW AUTOMATIC PROJECTION SYSTEM, WITH OPERATION FROM THE INSIDE, APPLICABLE TO ALL KINDS OF BLINDS, AWNINGS, WINDOWS AND IN GENERAL, ANY OTHER ELEMENT THAT REQUIRES A SIMILAR EFFECT : en es
  • US2322871A - Handle for milk cans : en
  • CA413534A - Dialdehyde compound : en fr
  • ES160554A3 - A PROCEDURE FOR IRON IRON TINNATING : en es
  • AU995243A - Improvements in or relating to laminated articles and their methods of manufacture : en
  • CA413548A - Tractor-mounted implement : en fr
  • FR883305A - Safety ring for cycle air pumps : en fr
  • GB554318A - Improvements in or relating to the building of wall structures suitable for silos, tanks, linings for containers and other purposes : en
  • GB554378A - Stoker link and method of making same : en
  • PL31850B1 - : en pl
  • US2323048A - Paper hanger's tear plate : en
  • CH227678A - Ceramic high voltage insulator. : de en
  • US2323005A - Photographic camera : en
  • US2323277A - Saturated and unsaturated pregnane compounds and process of making same : en
  • DE736819C - Waelzkoerper for planet-like revolving grinding vessels of a centrifugal mill : de en
  • CH227726A - Light signal device on a vehicle, in particular on a motor vehicle. : de en
  • US2322931A - Foldable baby carriage : en
  • US2322903A - Ignition harness : en
  • DK61059C - Impulse transmitter for electric fences. : da en
  • CH227679A - Device for fixing an element on a support. : en fr
  • CH227576A - Sole glue press. : de en
  • CA413537A - Cyclic operation controlling method : en fr
  • US2323125A - Container : en
  • BE450850A - : en
  • ES159530A1 - A PROCEDURE TO CONCENTRATE MORE THE CONCENTRATED CALCIUM NITRATE SOLUTIONS : en es
  • ES160543A1 - ELECTROLYTIC CURRENT RECTIFIER : en es
  • FR883218A - Filing device, counter and ticket verifier : en fr
  • CH227550A - Process for the production of steel chip abrasive elements, as well as abrasive elements produced by this process. : de en
  • DE736823C - Direction indicators for motorcycles and bicycles : de en
  • CH227664A - Method and device for operating vehicle drive systems with gas generator, engine and charging group. : de en
  • SU62860A1 - Beet harvesting machine : en ru
  • US2322809A - Cyclopentano-polyhydrophenanthrene compounds and a method of making the same : en
  • CA413465A - Capsule : en fr
  • GB554344A - Improvements in or relating to closures for kegs and like containers : en
  • US2322753A - Surgical apparatus : en
  • FR883271A - Improvements made to harpoons for fishing : en fr
  • FR883340A - Apparatus for spectral analytical research : en fr
  • CA413536A - Brake lever : en fr
  • CA413571A - Ammunition manufacture : en fr
  • CA413574A - Hydroaromatic hydrocarbon production : en fr
  • US2322888A - Process for producing high wet strength paper : en
  • US2323198A - Aviation mask : en
  • CH227609A - Process for the production of photographic, in particular colored, recordings. : de en
  • CA413591A - Composite fabric production : en fr
  • CH227718A - Adjustable display element on a notice board. : de en
  • US2322751A - Projectile : en
  • DE736981C - Arc protection for long rod insulators : de en
  • US2323160A - Dehydrator : en
  • US2322982A - Photographic printing material : en
  • US2323156A - Liquid level indicator : en
  • USD135877S - Design for an eye shield : en
  • CH227729A - Lighting system on a vehicle, in particular a motor vehicle. : de en
  • CH227537A - Gas water heater. : de en
  • US2323027A - Drilling implement : en
  • US2322910A - Priming device for pumps : en
  • ES160653A1 - CHANGE OF CONTINUOUS AND PROGRESSIVE SPEED BASED ON TRAPEZOID BELTS : en es
  • ES160789A1 - IMPROVEMENTS IN THE CONSTRUCTION OF MECHANICAL MIXERS, SUITABLE FOR VARIOUS INDUSTRIAL APPLICATIONS. : en es
  • CA413593A - Composite fabric production : en fr
  • PL31873B1 - : en pl
  • CH227725A - Device for fixing and connecting batteries on board an electric vehicle. : en fr
  • CA413521A - Airscrew or propeller : en fr
  • CH227570A - Device for holding women's hats on the head. : de en
  • DE737015C - Process for the production of an absorption chemical containing carbonate to remove carbonic acid from the air we breathe : de en
  • US2322749A - Heating and treating wort : en
  • US2323103A - Knockdown cabinet or the like : en
  • CA413438A - Passenger vehicle safety device : en fr
  • CA413474A - Ingot casting method : en fr
  • GB554353A - Improvements in or relating to portable motor driven power hammers, and elastic links or yokes suitable for use in such portable motor driven power hammers : en
  • AU117138B2 - Improvements in power transmission by dynamo-electric machines : en
  • FR883210A - Cleaning products based on colloidal clay or earth : en fr
  • US2323083A - Feed and discharge arrangement for conveyers : en
  • US2323137A - Fruit pitter : en
  • CA413561A - Valve : en fr
  • CH227545A - Protective gas generator for bright annealing of metal. : de en
  • DE736781C - Process for the production of lightweight panels : de en
  • DE737008C - Spin drum with removable peeling chamber : de en
  • ES157238A1 - IMPROVEMENT IN THE MANUFACTURE OF ELECTRICAL RESISTANCE : en es
  • ES160794A1 - PROVISION TO AUTOMATICALLY INFLATE A TIRE, USING THE MOVEMENT OF THE CORRESPONDING WHEEL : en es
  • CH227615A - Ski binding. : de en
  • CA413512A - Refrigeration apparatus : en fr
  • CH227701A - Glass vessel with at least two spaces hermetically sealed from one another by a partition wall melted into the vessel and a method for producing the same. : de en
  • US2323244A - Self-erecting means for gyroscopic devices : en
  • US2323255A - Coin controlled vending machine : en
  • BE450835A - Fuel distributor and retaining valve for gasifier : en fr
  • CH227693A - Contact converter with contacts operated by plungers. : de en
  • CH227686A - Electric discharge vessel for high voltages. : de en
  • ES160727A3 - IMPROVEMENTS IN THE MANUFACTURE OF SEAT FURNITURE : en es
  • DK61070C - Procedure for the production of protective layers on light metal workpieces by anodic treatment. : da en
  • DE736789C - Tools made by sintering or hot pressing : de en
  • DE736858C - Device for eliminating the temperature dependency of the display in variometers : de en
  • AU117136B2 - Improvements m amd relating to straight bar knitting machines : en
  • AU117124B2 - Audio frequency amplifiers : en
  • DE736896C - Arrangement for the light-dark control of the cathode ray in cathode ray oscillographs for recording short-term events : de en
  • CH227562A - Process for the production of abrasive cloths and abrasive cloth produced by this process. : de en
  • US2322787A - Method and apparatus for melting metals : en
  • US2323210A - Safety release : en
  • USD135889S - Design for a cookie jar : en
  • PL31891B1 - Device on vehicles, especially aircraft, for determining the distance by means of an acoustic echo : en pl
  • CH227651A - Wedge brake. : de en
  • CH227674A - Arrangement for reactive power control in alternating current networks. : de en
  • CA413523A - Laminated belt : en fr
  • US2323145A - Apparatus for applying coloring material to nails : en
  • US2323259A - Ventilated vapor regulator : en
  • DE736796C - Method of manufacturing flat finned tubes from round tubes : de en
  • ES160645A1 - IMPROVEMENTS IN THE PREPARATION OF SULFAZOLES WITH TWO HETERCATOMS : en es
  • CH227649A - Linkage device. : en fr
  • AU121705B2 - Improvements in or relating to laminated articles and their methods of manufacture : en
  • ES159570A1 - A BICYCLE SUSPENSION DEVICE : en es
  • FR883241A - Improvements to the supply of thermal engines with explosive fuels : en fr
  • FR883367A - Process for preparing 4,5-diaryl-imidazolinic derivatives : en fr
  • PL31883B1 - Method for obtaining therapeutically active arsic acids : en pl
  • US2323180A - Control system : en
  • PL31881B1 - : en pl
  • CA413473A - Catalyst production : en fr
  • CA413497A - Amino phenol nuclear alkylation process : en fr
  • CH227639A - Process for the production of gutters with reinforcing bead and rolling machine for carrying out the process, as well as gutters produced according to this. : de en
  • CH227536A - Boiler system with under wind firing. : de en
  • CA413545A - Character displaying apparatus : en fr
  • CH227595A - Dutch. : de en
  • BE450765A - Email varnish : en fr
  • US2322744A - Safety razor blade : en
  • CH227682A - Arc protection device on bushings. : de en
  • US2323130A - Polymerized chloroprene-cashew nut shell liquid composition : en
  • AU117132B2 - Improvements in or relating to seals between metal and glass members : en
  • CA413456A - Denture production : en fr
  • US2322768A - Tie puller : en
  • CA413488A - Panel section : en fr
  • ES160540A1 - IMPROVEMENTS IN THE MECHANISMS TO ACTIVATE THE NEEDLE HOLDER AND TO DETERMINE THE AUTOMATIC CHANGE OF DISCS IN THE ELECTRIC GRAMOLAS : en es
  • ES160585A1 - A PROCEDURE FOR THE FRACTIONAL SEPARATION OF TARS RESULTING FROM THE DEGASIFICATION OF SOLID BITUMINOUS FUELS : en es
  • US2323226A - Preparation of 2-chlorobutene-2 : en
  • US2322835A - Seal : en
  • US2322986A - Thread removing and disk cleaning mechanism : en
  • ES158858A1 - A PROCEDURE FOR THE AUTOMATIC REGULATION OF CONCENTRATION FACILITIES : en es
  • ES160694A1 - A PHOTOGRAPHIC CAMERA WITH ADJUSTABLE VIEWER : en es
  • GB554322A - Improvements in musical instruments of the piano type : en
  • FR883381A - Improvements in the fuel systems of internal combustion engines : en fr
  • GR10108B - METHOD OF PERFECT COMBUSTION OF LIGNITE OR OTHER CARBONS IN HOBS OF ALL NATURE AND FULL OF THESE PERFORMANCE. : el en
  • USD135895S - Design for a game table : en
  • FR883237A - Process for obtaining, from water vapor, subjected to an electric arc, a gas mixture based on acetylene : en fr
  • GB554299A - Improvements in or relating to clevis joints : en
  • GB554397A - Improvements in weather-proof garments particularly for use at sea : en
  • US2322789A - Concentration of sylvinite ores : en
  • US2322893A - Registering device : en
  • US2322947A - Pin and socket connection : en
  • US2323208A - Brake mechanism : en
  • FR883324A - Filler for heat recovery units : en fr
  • CH227602A - Color pad for marking stamp. : de en
  • US2322776A - Fastener device : en
  • US2323184A - Fuel injection in internal combustion engines : en
  • CA413578A - Keeper link : en fr
  • CA413588A - 3-hydroxy-4-carbaminobenzene-1-arsonic acid : en fr
  • CH227653A - Torque-transmitting coupling for connecting two shafts with the same axis. : de en
  • DE736971C - Process for the production of tar and solid coke : de en
  • FR52014E - Wood gasifier using any gasoline and whatever the humidity : en fr
  • US2322760A - Composition and method : en
  • US2322848A - Pulse regenerator : en
  • CH227564A - Method and device for the production of openwork goods on circular knitting machines and similar machines. : de en
  • CH227728A - Device to protect decommissioned vehicles against dust. : de en
  • ES160521A1 - PROVISION FOR THE COMBINATION OF WIRES OF THE URDIMBRE AND THE FIXING OF THE THREAD THREAD IN A CIRCULAR FABRIC : en es
  • GB554343A - Improvements relating to lathe centres and the like : en
  • GB554380A - Improvements in or relating to turbo-supercharger installations for aircraft : en
  • CH227623A - Procedure for recording brief, one-off processes with a Braun tube. : de en
  • DE735463C - Fire alarm with bimetal spring : de en
  • DE735441C - X-ray contrast media : de en
  • DE736956C - Target figure movable around a vertical axis : de en
  • DE737036C - Level indicator for bulk goods with membrane extending over the measuring section : de en
  • CH227652A - Process for the production of friction bodies, in particular brake and clutch linings. : de en
  • US2323024A - Television transmission tube : en
  • DE736898C - Coal feed device for headlight arc lamps : de en
  • ES160551A3 - A HAIR DRYER WITH AUTOMATIC TEMPERATURE REGULATOR : en es
  • DE737037C - Arrangement for compliance with permissible operating conditions for fluid brake force gauges : de en
  • FR883234A - Agglomeration rotary press : en fr
  • ES160173A1 - MOBILE WEIGHT SCALE : en es
  • ES160549A1 - AN IMPROVEMENT IN THE MOLDING OF COMBINES OBTAINED BY FOUNDRY : en es
  • US2323000A - Guide for molten silicates : en
  • US2323109A - Road grader : en
  • US2323059A - Building construction unit comprising light-polarizing material : en
  • DE736869C - Cloaking device : de en
  • US2322746A - Soluble trisazo dyes for cellulosic fibers : en
  • US2322989A - Process of making carbon black and mixtures of carbon monoxide and hydrogen from hydrocarbon gases : en
  • DE737018C - Schraemkette with double-edged Schraemmechiseln arranged around a bolt for two cutting directions : de en
  • US2322756A - Method of impregnation : en
  • US2322988A - Electric heating : en
  • US2323060A - Car and electric train line coupler : en
  • CH227597A - Suspension file for registration box. : de en
  • FR883286A - Monoazo dyes : en fr
  • US2323116A - Luminescent material : en
  • ES160566A1 - PERFECTED HOUSEHOLD SYSTEM-GRILL IN INDUSTRIAL OR STEAM BOILERS : en es
  • GB554386A - Improvements in or relating to liquid damped resilient suspension devices for vehicles : en
  • GB554377A - Improvements in and relating to "panic bolts" : en
  • SE107761C1 - : en
  • US2322808A - Lubricating dispenser : en
  • US2323075A - Process of preparing thiuronium salts : en
  • US2322825A - Yarn guide : en
  • US2323030A - Electrode for piezoelectric crystal oscillators : en
  • GB554278A - Improvements in or relating to the jointing of tubes to headers or the like : en
  • ES160184A1 - IMPROVEMENTS IN THE MANUFACTURE OF BEAMS, CONSTITUTED BASED ON STEEL SHEETS : en es
  • ES160783A1 - PORTABLE INDIVIDUAL EQUIPMENT FOR NORMAL ADVANCE AND IN SEMI-INVESTMENT BY WATER : en es
  • DE736949C - Storage bag for film images : de en
  • FR883215A - Method and devices for cooling gases discharged by compressors supplying aircraft engines : en fr
  • AU457542A - Improvements in or relating to card records or indexes : en
  • ES160628A1 - A PROCEDURE FOR THE OBTAINING OF METALS NOT BELONGING TO THE IRON GROUP, AS LEAD AND ANTIMONY, OF FIRST MATERIALS CONTAINING OXIDE OR SULFUR : en es
  • US2322998A - Road grader : en
  • US2323014A - Molding means : en
  • DE736879C - Sizing or reducing mill : de en
  • AU117142B2 - Improved ground ripping implement : en
  • FR883253A - Treatment of dyed cellulosic textiles : en fr
  • USD135892S - Design for a portfolio : en
  • CH227557A - Process for the production of rayon with single threads of different fineness. : de en
  • CH227661A - Exhaust gas turbocharger. : de en
  • CH227691A - Noise suppression choke. : de en
  • US2323257A - Stepback mechanism for phonograph transcribers : en
  • DE736921C - Press for sheathing cables, especially aluminum : de en
  • DE736812C - Method for testing the structural properties of viscous liquids in narrow gaps : de en
  • DE736931C - Process for the preparation of water-soluble esters of poorly soluble to insoluble dyes containing oxyalkyl groups : de en
  • FI19635A - Anordning för kombinerad klangfärgs- och ljudstyrkereglering vid radiomottagare o. dyl. : en fi
  • FR883313A - Forced air convection furnace for melting aluminum and its alloys : en fr
  • GB554423A - Improvements in or relating to landing gear for aircraft : en
  • US2322780A - Gun : en
  • ES159692A1 - PROCEDURE AND APPARATUS FOR, WITH A SINGLE BOMB, MANUFACTURE DIFFERENT PAPERS, PAPERBOARD AND PAPER CARTRIDGES : en es
  • GB554271A - Improvements relating to the construction of buildings : en
  • US2323262A - Material spreader attachment : en
  • US2322800A - Conversion of hydrocarbons : en
  • US2322857A - Dehydrogenation process : en
  • US2323065A - Spring shackle device : en
  • CA413563A - Sound-deadening composition : en fr
  • CH227717A - Device for remote monitoring of adjustable organs housed in a large number of spatially separated stations in high, low voltage and telecommunications networks from at least one monitoring point. : de en
  • ES154186A1 - A PROCEDURE FOR THE MANUFACTURE OF CLOTHING AND SIMILAR OBJECTS, FROM THERMOPLASTIC SYNTHETIC SUBSTANCES : en es
  • GB554421A - A device for protecting a writing surface from weather conditions whilst writing thereon : en
  • US2323040A - Articulated joint for dolls or similar toys : en
  • US2323096A - Fishing tackle : en
  • DE736929C - Fusible link for fuse cartridges : de en
  • US2322799A - Bus duct system : en
  • US2322991A - Carburetor for obtaining gaseous mixtures for internal combustion engines : en
  • AU494942A - Improvements to clutch mechanism for the drive of fluid compressors : en
  • US2323101A - Fish scaling device : en
  • DE736788C - V-shaped fish frying pan : de en
  • US2322974A - Amino aryl sulphonamides : en
  • DE736714C - Process for the production of high-quality luxury goods, food and feed : de en
  • ES160567A1 - PERFECTED SYSTEM OF GRILLS IN HEATING BOILERS THAT USE CARBON MENUDO : en es
  • FR883400A - Method and apparatus for laying or removing railway tracks in fully assembled track elements : en fr
  • CA413505A - Shredding method and apparatus : en fr
  • CH227620A - Device for determining the distance between reflecting surfaces, in particular for determining the flight altitude in aircraft. : de en