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