• US2317748A - Checkbook holder : en
  • US2317831A - Thermostatic device : en
  • US2317410A - Heel-attaching machine : en
  • US2317404A - Casing head : en
  • CH226818A - Process for producing a water-soluble compound. : de en
  • CH226858A - Method for applying winding cores with non-circular winding windows on spools, e.g. B. on the windings of transformers and chokes. : de en
  • US2317347A - Nut locking device : en
  • US2317655A - Apparatus for the manufacture of photographic prints : en
  • CA412017A - Gyroscopic instrument : en fr
  • US2317966A - Window operating mechanism : en
  • US2317850A - Electro-optical facsimile synchronizing system : en
  • US2317729A - Means for effecting detachable coupling of tubular elements : en
  • US2317530A - Helix former : en
  • US2317533A - Roll brush : en
  • CH226849A - Process for the preparation of a monoazo dye. : de en
  • US2317373A - Coat construction : en
  • US2317918A - Inner sole for welt shoes : en
  • CA412137A - Printing telegraph apparatus : en fr
  • ES160046A1 - IMPROVEMENTS IN THE MANUFACTURE OF ZIPPER CLOSURES : en es
  • CH226771A - Electron tube with a velocity-modulated electron beam and with cavity resonators. : de en
  • US2317518A - Ladder and like webbing and method and mechanism for producing the same : en
  • USD135560S - Combined picture frame and salad plate : en
  • US2317675A - Conveyer system : en
  • DE734835C - Filter body made of a spiral wound filter layer : de en
  • PL31656B1 - : en pl
  • US2317443A - Process for making chlorine dioxide and for separating the same from chlorine : en
  • US2317896A - Mounting for heat responsive instruments used in yarn package drying : en
  • US2317378A - Antiseptic materials : en
  • US2317498A - Hydrodynamic transmission : en
  • AU116827B2 - Method and system for developing television signals : en
  • AU116835B2 - Improvements in or relating to calcium sulphate pigments : en
  • US2317536A - Combustion chamber for internal combustion engines : en
  • USD135589S - Design for a tie rack : en
  • ES7992U - Needle with conical tip and quadrangular or polygonal head for sewing called escarpia. (Machine-translation by Google Translate, not legally binding) : en es
  • ES160090A3 - PROCEDURE FOR OBTAINING TAILS : en es
  • DE734776C - Process to make loosened synthetic asbestos swellable, flocculable and flocculable in water : de en
  • GB552816A - Improved method and means for cleaning flues, pipe lines or the like which conduct producer gas : en
  • GB552947A - Improvements in or relating to replica electric distribution networks : en
  • US2317361A - Process of producing drying oils : en
  • CA412082A - Engine control system : en fr
  • ES159883A1 - TUBULAR ELEMENTS STEAM BOILER : en es
  • CH226742A - Transmission. : de en
  • US2317679A - Slide loop : en
  • US2317433A - Piston : en
  • US2317463A - Vulcanization of rubber : en
  • US2317882A - Absorbent closure cap for receptacles containing dry medicinal materials and the like : en
  • CA412164A - Pyrophoric lighter : en fr
  • CH226795A - Six-pole magnet system for electro-acoustic apparatus. : de en
  • US2317553A - Power shear : en
  • US2317591A - Method of treating photographic material : en
  • US2317878A - Method of producing polymers of high molecular weight : en
  • ES159991A1 - IMPROVEMENTS IN THE PROVISIONS FOR THE ATTACHMENT OF WIRES AND SIMILAR IN ONE PIECE OF UNION, PREFERABLY IN THE FORM OF A CASQUETTE : en es
  • US2317763A - Method of making hollow molded objects from organic plastic material : en
  • US2317523A - Production of energy from pyro crystals and minerals : en
  • US2317469A - Switching device : en
  • ES160137A1 - DEVICE FOR ASPIRANT AND IMPELLING PUMP, APPLICABLE TO DIFFERENT USES : en es
  • US2317409A - Method for stress-relieving plastics : en
  • ES160095A1 - IMPROVEMENTS IN CARBON COLLECTORS WITH PRESSED MATERIAL BODY : en es
  • US2317397A - Process of conditioning foods : en
  • DE734856C - Device for the detection of defects on the outer and inner surface of cartridge cases or similar objects : de en
  • US2317493A - Ironing machine : en
  • AU116852B2 - Improved retort for extracting oil from shale, coal, lignite, wood and like oil bearing material : en
  • US2317513A - Cigarette rolling device : en
  • PL31666B1 - Jakob Nagel, Dresden A tool such as a lathe tool or the like with a hard metal blade : en pl
  • US2317438A - Checking station for self-service stores : en
  • CH226678A - Method for killing microorganisms. : de en
  • DE734638C - Registering gas pressure meter for measuring the explosion pressure in firearms : de en
  • ES159964A1 - A PROCEDURE TO HARDEN AND CURTIE ALBUMIN ARTIFICIAL FIBERS : en es
  • FR881620A - Device for the absorption of carbon monoxide : en fr
  • GB552869A - Electrical signalling system with remote control : en
  • US2317640A - Control system : en
  • US2317700A - Door lock : en
  • US2317874A - Yarn winding device : en
  • BE449767A - Manufacturing process of long chain paraffinic hydrocarbon sulfonates : en fr
  • ES159872A1 - IMPROVEMENTS IN PIPES TO DISCOVER GASES : en es
  • GB552818A - Improvements in or relating to drilling, milling, screwing, tapping, and like machines having a rotary tool adapted to be moved to and from the work : en
  • USD135593S - Combination envelope and writing paper or similar article : en
  • DE734814C - Pliers-like hand tool : de en
  • ES159931A1 - A PROTECTION DEVICE AGAINST FLAMES FOR GASÓGENOS : en es
  • FR881513A - Device for driving tubes for research in the basement, etc. : en fr
  • FR881471A - Improvement in electric heating devices with resistances, in particular devices for heating motors : en fr
  • DK60844C - Refrigerator for refrigeration systems. : da en
  • ES159989A1 - A DEVICE THAT ALLOWS TO BEGIN LIGHTNING FOR STROBOSCOPIC APPLICATIONS : en es
  • ES159817A1 - MEASURING DEVICE FOR THE TOOL JOB JOURNEY MOVED IN TOOL MACHINES : en es
  • AU480642A - Blasting spacer plugs : en
  • CH226699A - Process for degreasing and cleaning objects made of rigid material. : de en
  • GB552878A - Improvements relating to tunnel kilns for firing ceramic ware : en
  • US2317609A - Production of ribbon bow : en
  • DE734805C - Process for the production of flat, stepped workpieces : de en
  • DK60859C - Shake or Vibration device. : da en
  • AU116864B2 - Improvements inthe electrolysis of brine : en
  • CH226827A - Process for the preparation of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • US2317927A - Combustion control : en
  • CA412172A - Stocking knitting machine : en fr
  • US2317620A - Seat : en
  • US2317681A - Welding electrode : en
  • AU115241A - Mineral oil composition and improving agent therefor : en
  • CA411996A - Frequency modulation system : en fr
  • CH226738A - Pyrophoric lighter. : en fr
  • US2317908A - Deodorant : en
  • FI19582A - Regulation on the conduct of business meetings with group members : en fi
  • FR881644A - Method of examining materials by means of ultrasonic wave crossing : en fr
  • ES160135A1 - A NAVIGATION INSTALLATION THAT WORKS ACCORDING TO THE PRINCIPLE OF DIRECT RAY : en es
  • FR881616A - Device for the industrial manufacture of torrefied wood, red wood or red charcoal : en fr
  • US2317666A - Lubrication composition : en
  • GB552885A - Improvements in and relating to the manufacture of aromatic compounds containing sulphur : en
  • PL31651B1 - : en pl
  • DE734895C - Method for the production of a sleeve for compressed yeast pieces : de en
  • GB552900A - Improvements in or relating to roof ventilators for buildings : en
  • ES159990A1 - AN ARMORING UNION SYSTEM OF STRAPS FOR AIRCRAFT TRANSMISSIONS : en es
  • ES160082A2 - PROCEDURE FOR OBTAINING ZINC : en es
  • US2317614A - Sewing machine for collars : en
  • US2317716A - Combination pressing and steaming iron : en
  • US2317558A - Hypodermic syringe construction : en
  • USD135592S - Design for jodhpurs : en
  • USPP578P - krebs : en
  • FR881594A - Gas drying process : en fr
  • FR881640A - Rotary kiln : en fr
  • GB552940A - Improvements in or relating to electro-magnetically operated contactor switches : en
  • US2317514A - Method of rifling gun barrels : en
  • ES159794A1 - A SYSTEM OF CONSTRUCTION OF FLOORS BASED ON VIGUETTES : en es
  • US2317683A - Cyclization of hydrocarbons : en
  • GB552905A - Improvements relating to lathes and like tools : en
  • ES159849A1 - IMPROVEMENTS IN TENSOR PULLEYS : en es
  • US2317477A - Portable heel press and drier : en
  • DE734855C - felt : de en
  • ES159929A1 - A PROCEDURE TO INCREASE THE CAPACITY TO BE DRYED IN A DRY WATER SOLUTIONS OF ALBUMIN : en es
  • ES160065A1 - NEW TYPE OF ANTENNA-BOX FOR RADIO APPLIANCES : en es
  • CH226760A - Center sleeve, e.g. B. for press collectors. : de en
  • CA412117A - Wireless receiving set with automatic tuning : en fr
  • CA412161A - Pipe fitting making apparatus : en fr
  • AU450742A - Improvements in and relating to carbon-sheet supports for typewriters : en
  • CA412100A - Detachable bit rock drill : en fr
  • CH226734A - Machine tool. : de en
  • CH226707A - Air raid shelter with several sheltered rooms one above the other. : de en
  • US2317392A - Portable emplacement for machine guns : en
  • US2317476A - Projection apparatus : en
  • US2317903A - Drive mechanism : en
  • DE734635C - Washbasin convertible into a table : de en
  • FR881591A - Rye starch manufacturing process : en fr
  • DE734897C - Multi-purpose controller designed as a converter controller for steam or gas turbines : de en
  • FR881522A - Method for measuring lighting intensities using a braun tube : en fr
  • USD135569S - Design for a combined bottle and stopper : en
  • ES159878A1 - PROCEDURE FOR OBTAINING P-OXACIUILMETIL-BENZODIOXANO : en es
  • US2317479A - Corn sugar product and method : en
  • US2317529A - Power driven valve and the like : en
  • US2317636A - Dual tire inflater : en
  • ES159831A3 - A PROCEDURE FOR MANUFACTURING COLORED FIBERS, YARNS AND FABRICS, OF GLASS OR OTHER SIMILAR MINERAL MATERIAL : en es
  • US2317616A - Routing machine fixture : en
  • US2317881A - Mutoscope : en
  • US2317512A - Valve keeper inserter : en
  • US2317653A - Priming tube : en
  • FR881579A - Aerodynamic bodywork for motor vehicles : en fr
  • US2317349A - Handle : en
  • DK60860C - Plate for Heat Exchangers. : da en
  • GB552935A - Improvements in or relating to light polarizing devices : en
  • US2317781A - Fish lure : en
  • CH226696A - Process for converting polymers obtained by polymerizing at least one monomer of the acrylic acid series into salt-like products. : de en
  • CH226766A - Method for the investigation of substances using slow neutrons. : de en
  • US2317345A - Binder : en
  • US2317509A - Underinflated tire signaling device : en
  • CA412145A - Engine cylinder barrel : en fr
  • PL31614B1 - Kohlenscheidungs-Gesellschaft mit beschrankter Haftung, Berlin Steam boiler : en pl
  • ES157843A1 - A DEVICE FOR THE COMPENSATION OF THE PRESSURES ON THE EXHAUST BLOWS IN THE EXHAUST PIPES OF STEAM MACHINES : en es
  • ES159790A1 - CONTACT BANK FOR SELECTORS : en es
  • ES159906A1 - A PERFECTION IN THE ACETYLENE GAS GENERATORS : en es
  • CH226664A - Process for treating anthracite with a high siliceous content, with a view to making its complete combustion possible. : en fr
  • US2317385A - Plasticization of synthetic rubberlike materials : en
  • US2317952A - Fractional distillation : en
  • DE734845C - Magnetron arrangement with an electrode system axis lying parallel to the tube axis and a magnet arrangement with hollow pole shoes surrounding the tube : de en
  • DE734823C - Electrode system for discharge tubes, where very small electrode spacings have to be observed : de en
  • GB552839A - Improved contact controlling mechanism for use on automatic electric circuit breakers or switches : en
  • FR881590A - Device for carbonizing woody material in tanks or pits with removable and removable cover : en fr
  • CA412034A - Thermosetting resin accelerator : en fr
  • CA412149A - Universal joint seal : en fr
  • US2317929A - Hair curler : en
  • DK60843C - Transparent, Foil-shaped Material for Copying Images or Text from Printed Fonts. : da en
  • FR881547A - Device for picking fruit and in particular olives : en fr
  • PL31641B1 - Apparatus for recording or reproducing sounds from ring-shaped film strip without end : en pl
  • PL31652B1 - A method of producing carbon black for rubber : en pl
  • ES159927A1 - A PROCEDURE FOR THE MANUFACTURE OF METALLIC AND ELASTIC RIMS FOR WHEELS OF ALL KINDS OF VEHICLES : en es
  • CA412106A - Sterilizer : en fr
  • ES158825A1 - IMPROVEMENTS IN THE MANUFACTURE OF SUPPORT BOXES FOR THE COOKING OF ABRASIVE WHEELS IN CERAMIC OVENS AT HIGH TEMPERATURES : en es
  • CH226662A - Drain plug for sinks. : en fr
  • US2317678A - Slide loop : en
  • US2317812A - Governor apparatus : en
  • ES159893A1 - A PROCEDURE FOR MANIPULATING THE LAMINAR CELOPHONE TO BE USED LATER AS AN ELEMENT OF DECORATIVE OR UTILITARY COVERAGE OF ALL LUCK OF RIGID SURFACES AND MAINLY OF THE INTERIOR OF PREMISES OR HOUSING : en es
  • ES160189A1 - PERFECT GASOGEN : en es
  • USD135574S - Design fob a combination tool : en
  • ES159814A1 - IMPROVEMENTS IN GASOGENS : en es
  • FR881540A - Release device for mobile pillars : en fr
  • GB552805A - Improvements in or relating to apparatus for automatically maintaining register in multi-unit rotary web press : en
  • ES156526A1 - A GAS TAKE-OUT DETONATOR FOR GASOGEN : en es
  • FR881635A - Device for transferring entries from the front to the back of the folios of a register : en fr
  • GB552927A - : en
  • CA412068A - Photographic emulsion : en fr
  • ES159947A1 - PROCEDURE FOR THE MANUFACTURE OF CELLULOSIC GLASS SHEETS RESISTANT TO ATMOSPHERIC INFLUENCES : en es
  • US2317911A - Rubber structure : en
  • PL31613B1 - Noise dampening rubber device for holding an office machine, e.g. a typewriter, on a support : en pl
  • FR881614A - Reversing device with automatic action to change the direction of unwinding of the bands in advertising devices : en fr
  • GB552949A - Electromagnetic wave collector systems : en
  • US2317786A - Plates and bodies to be applied on iron tools and machine members : en
  • CA412070A - Photographic silver halide emulsion : en fr
  • US2317401A - Continuous filament bristle feeding mechanism : en
  • DE734682C - Process for the preparation of the chlorocarbon compound C Cl : de en
  • DK60866C - Device for bicycle handlebars. : da en
  • USD135567S - Design for an ash receptacle : en
  • ES160144A1 - INDIVIDUAL TREADMILLING MOWER OF HUMAN TRACTION : en es
  • FR881456A - Improvements to eyewear cases : en fr
  • ES159862A1 - PROCEDURE FOR IMPREGNATION, METALIZATION AND INTERIOR CRYSTALIZATION OF WOODS : en es
  • GB552812A - Improvements in or relating to means for indicating the position of articles by luminous paint : en
  • ES159954A3 - A PROCEDURE FOR THE CONSTRUCTION OF FILTER GRIDS : en es
  • FR881573A - Injection nozzle for internal combustion engines : en fr
  • US2317583A - Trim panel : en
  • FR881476A - Gas detector : en fr
  • FR881517A - New automatic dryer for bulk material : en fr
  • DE734906C - Arrangement for generating and receiving ultra-short waves, in particular cm waves : de en
  • FR881577A - High dispersity cupric oxychloride preparation process : en fr
  • GR10077B - CLAY METHOD. : el en
  • US2317525A - Signal device : en
  • US2317698A - Sewing machine mechanism : en
  • FR881583A - Ring couplers : en fr
  • ES160216A2 - IMPROVEMENTS IN THE NEW CLUTCH OBJECT OF THE MAIN PATENT : en es
  • ES159807A2 - HYDROMECHANICAL POWER TRANSMISSION FOR HIGHWAYS AND ANALOG VEHICLES : en es
  • FR881454A - New elastic synthetic resin and its manufacturing process : en fr
  • FR881621A - Improvements to motor vehicles : en fr
  • ES160164A1 - STEEL IMPROVEMENTS FOR ROCK DRILLS AND OTHER TOOLS WITH HARD METAL INSERTS, SUBJECTED TO ANALOGUE EFFORTS : en es
  • US2317791A - Punch and die : en
  • US2317521A - Sensitizer containing gel-forming colloidal clay : en
  • ES160211A1 - PROCEDURE FOR THE DEPLETION OF DILUTED CHLORINE : en es
  • US2317779A - Manufacture of permeable materials suitable for use as sausage casings : en
  • US2317783A - Timing arrangement : en
  • US2317846A - Brake valve : en
  • US2317887A - Grease gun : en
  • ES160107A1 - A CHANGE OF SPEED OF SATELLITE WHEELS WITH DISMULTITION : en es
  • US2317343A - Photographic exposing and developing machine and the like : en
  • USD135583S - Statuette or similar article : en
  • US2317485A - Brush : en
  • USD135568S - Combined handbag and cosmetic holder : en
  • SE107251C1 - : en
  • US2317455A - Purifying benzoic acid : en
  • US2317475A - Shoe bottom unit and method of making the same : en
  • AU116865B2 - Process forthe preparation of stilbene derivatives : en
  • GB552830A - Tools for oblique cutting the edges of veneers or wallboards : en
  • GB552881A - Improved lubricating means for enclosed spaces of engines, air compressors and like machines : en
  • US2317724A - Shielded coil with temperature compensation : en
  • US2317801A - Garden tool : en
  • GR10078B - SHIPPING CONTAINER (TRANSPORT). : el en
  • ES159934A2 - A PROCEDURE FOR INCREASING THE RESISTANCE OF SENSITIVE PHOTO LAYERS DURING IMAGE FORMATION IN THE BATHS : en es
  • ES159924A1 - GASOGEN FOR THE OPERATION OF EXPLOSION ENGINES : en es
  • ES160087A3 - PROCEDURE FOR OBTAINING TAILS : en es
  • GB552827A - Improvements relating to hoisting and like winches : en
  • FR881464A - Electrical device simultaneously producing the dissociation of water into hydrogen and oxygen, the fixation of oxygen and the use of hydrogen as fuel : en fr
  • US2317821A - Copyholder : en
  • FR881462A - Electric heater : en fr
  • PL31605B1 - Fides Gesellschaft fiir die Verwaltung und Verwcrtung von gewerblichen Schutzrechten mit beschrankter Haftung, Berlin Telegraphic intermediary device in which the connection criteria in four-conductor circuits, in the form of current states of unlimited duration, are transformed by means of transmitting them by means of converters single units for alternating communication, into current states of limited duration : en pl
  • PL31627B1 - Piotr Suffczynski, Warschau A charcoal generator set for starting cars and solid combustion engines with suction gas : en pl
  • DK60864C - Engine device for Motor vehicles with Rear engine and Bodywork with reduced Air resistance. : da en
  • GB552822A - Improvements in or relating to an electric circuit arrangement for use in maintaining a constant output direct voltage applied to a load fed from a supply having a variable direct voltage : en
  • DE734890C - Continuous casting process : de en
  • ES159854A3 - ELECTRIC COMPRESSOR : en es
  • ES159889A1 - A TREFILATOR OR LAMINATOR MECHANISM THROUGH CONJUGATED ROLLERS : en es
  • ES160086A1 - PROCEDURE FOR THE ELECTRIFICATION OF THE RADIATORS OF A CENTRAL HEATING BY HOT WATER : en es
  • GB552826A - Improvements in loose leaf files or binders : en
  • ES159874A1 - AN INDIRECT CARBONIZATION PROCEDURE BASED ON PORTABLE CLOSED OVENS AND REASSEMBLED STEAM CURRENTS : en es
  • FR881634A - Device for maintaining turbine blades to ensure a connection by welding of the blades to the rotor disc : en fr
  • AU116862B2 - Mineral oil composition and improving agent therefor : en
  • CH226759A - Magnetic rotor. : en fr
  • US2317481A - Friction feed : en
  • US2317386A - Well surveying instrument : en
  • ES159944A1 - ROTATING HANDLE FOR SPEED CHANGES : en es
  • ES159846A1 - AUTOMATIC PROGRESS MECHANISM FOR THE VERTICAL WORK OF THE LIMADORA : en es
  • US2317885A - Ignition timing device : en
  • US2317915A - Bodying of drying oils : en
  • ES160068A1 - PROCEDURE FOR ELIMINATING THE COMPOUNDS OF CALCIUM FROM THE DIRTY WOOL OF CURTIDERÍA AND DEVICE FOR ITS EXECUTION : en es
  • IE18171L - Improvements in or relating to hot-gas motors : en
  • ES157853A1 - INSTALLATION FOR WORKING BEAMS, ASSEMBLIES, PARILLES AND SIMILAR FOR CONSTRUCTION : en es
  • FR881500A - Mechanical converter : en fr
  • ES160174A1 - A PROCEDURE TO OBTAIN WATER-BASED CONSOLIDATION AGENTS FOR DRY BATTERIES : en es
  • DE734822C - Circuit arrangement for influencing the normal armature movement of electromagnets by means of capacitors : de en
  • ES160064A1 - PROCEDURE FOR OBTAINING SKIN PURIFIERS : en es
  • GB552948A - Improvements in or relating to braces for personal wear : en
  • FR881533A - Device for deep drilling : en fr
  • CH226838A - Process for the preparation of a disazo dye. : de en
  • ES160038A1 - IMPROVEMENTS IN THE MANUFACTURE OF PRINTS FOR THE MANUFACTURE OF FORGED PIECES : en es
  • US2317427A - Viscosity control valve : en
  • US2317352A - Truck : en
  • ES160195A1 - PROCEDURE FOR MANUFACTURING VARNISH TO WATER : en es
  • FR881506A - Process for making lingerie pieces, in particular false collars : en fr
  • CA412118A - Wireless receiving set tuning arrangement : en fr
  • CH226828A - Process for the preparation of a 5-pyrazolone-4-sulfonic acid. : de en
  • ES159939A1 - DEVICE TO DEEPLY COOL FOOD PRODUCTS : en es
  • CH226859A - Double line for decimeter waves. : de en
  • ES160032A3 - AN AQUATIC VEHICLE : en es
  • FR881507A - Process for obtaining bricks with good properties, and bricks thus obtained : en fr
  • US2317575A - Adjustable pressure wringer : en
  • DK60870C - Method for the manufacture of solid, porous shaped bodies. : da en
  • US2317594A - Fluid pressure device : en
  • US2317663A - Method of producing the same : en
  • ES158884A1 - A PROCEDURE FOR THE MANUFACTURE OF ABRASIVE WHEELS OF SMALL AND MEDIUM DIMENSIONS AND VARIABLE FORMS : en es
  • ES159750A1 - IMPROVEMENTS IN ACTIVE HEADS FOR ELECTRIC SHAVING MACHINES : en es
  • FR881623A - Improvements to the steering mechanisms for motor vehicles with a steerable wheel at the front and tracks at the rear : en fr
  • ES159812A1 - IMPROVEMENTS IN CLOSURES FOR GLASS AND SIMILAR PACKAGINGS : en es
  • US2317419A - Fire control system : en
  • ES160114A1 - A PRECISION MACHINE FOR FILLING WITHOUT PRESSURE PACKAGES OF ALL KINDS, AND ABLE TO OPERATE WITH ANY LIQUID : en es
  • CH226737A - Coupon pliers for rationing stamps. : de en
  • CH226770A - Arrangement for tuning coils. : de en
  • DE734563C - Process for the production of androsterone : de en
  • CA412091A - Fire extinguishing method and apparatus : en fr
  • ES160078A1 - MANUFACTURING PROCEDURE OF GREAT FANTASY LETTERS : en es
  • CH226686A - Process for the manufacture of pregnenolone. : de en
  • CH226757A - Device for establishing the distance between plates of electric accumulators. : en fr
  • ES160028A1 - DEVICE FOR LIGHTING A GASoGEN : en es
  • CH226659A - Heat recuperator by air circulation. : en fr
  • CA411998A - Condenser tube protector : en fr
  • DE734798C - Process for the production of bone glue : de en
  • US2317667A - Junction box : en
  • US2317851A - Die spotting press : en
  • US2317382A - Electrical fixture : en
  • CH226654A - Peening device. : de en
  • US2317842A - Resinous condensation products and a process of preparing them : en
  • BE449709A - TREATMENT OF BLACK SMOKE WITH OZONE : en fr
  • FR881478A - Method and apparatus for diamond grinding wheels for grinding gears : en fr
  • DE734892C - Ventilation with possibly heated air for motor vehicles : de en
  • FR881575A - Device for deburring pinions or similar applications : en fr
  • PL31618B1 - The company Rob. Tiimmler, Dobeln A door handle with a lock, especially for cars : en pl
  • BE449568A - : en
  • CH226769A - Method for producing an electrical capacitor with a dielectric from a conversion product of an occupancy. : de en
  • CA412131A - Fat containing material processing : en fr
  • CH226677A - Machine for lining the strips with zippers. : en fr
  • CH226729A - Process for cementing objects made of iron, steel and their alloys. : de en
  • DE734677C - Gear transmission for rolling mills : de en
  • ES160073A1 - APPARATUS TO MAKE PHOTOGRAPHS ON REVERSIBLE PAPER AUTOMATICALLY : en es
  • FR881556A - AC measuring bridge : en fr
  • US2317354A - Explosive cartridge assembly : en
  • US2317491A - Reclaiming of rubber : en
  • US2317689A - Underdrive for traveling cranes, monorails, and the like : en
  • CA411991A - Hair curling device : en fr
  • CA412130A - Steam trap : en fr
  • ES159875A1 - AN INSTALLATION FOR THE MANUFACTURE OF MASS ARTICLES : en es
  • CA411999A - Hockey stick : en fr
  • AU116843B2 - Degasification and clarification of liquid dispersions : en
  • US2317720A - Method and apparatus for detecting flaws in magnetizable bodies : en
  • US2317928A - Attachment for hair clippers : en
  • FR881610A - Clasp for receptacle : en fr
  • CA412065A - Colour photography : en fr
  • CA412175A - Hydrocarbon synthesis : en fr
  • US2317393A - Wheel structure : en
  • US2317861A - Stamping die : en
  • US2317894A - Auxiliary seating for automobiles : en
  • DE734837C - Device for the neutralization of pressure hydrogenation products containing hydrogen chloride : de en
  • ES159938A1 - PROCEDURE FOR DYING CELLULOSE FIBERS OR MIXTURES OF CELLULOSE FIBERS AND ANIMAL FIBERS : en es
  • AU116837B2 - Improvements in or relating to electric welding systems : en
  • CH226814A - Process for the preparation of 1,4-androstadienol acetate-(17)-one-(3). : de en
  • AU449842A - Improvements inthe electrolysis of brine : en
  • CA412036A - Coating for non-ferrous metals : en fr
  • AU504342A - Improved gas control and/or mixing device for producer gas plants : en
  • CA412089A - Voltage regulator : en fr
  • CH226653A - Garden tool for loosening up the soil. : de en
  • DE734843C - Containers or cases for electrical capacitors : de en
  • AU116836B2 - Treatment of wool felts : en
  • DK60865C - Drive unit for stern drive vehicles consisting of an air-cooled engine with V-position cylinders. : da en
  • GB552849A - Improvements in or relating to wear resisting studs or the like : en
  • GB552895A - Improvements in or relating to parachutes : en
  • US2317499A - Method of finishing textiles : en
  • ES160190A3 - IMPROVEMENTS IN THE "PICK-UPS" OR NEEDLE HOLDERS FOR RADIOGRAMOLS : en es
  • CH226666A - Process for reprocessing used gas cleaning compound. : de en
  • CH226722A - Process for the production of hard metal alloys for tools and work equipment. : de en
  • US2317901A - Conversion of hydrocarbons : en
  • US2317421A - Welding rod : en
  • US2317618A - Fuel injector : en
  • US2317506A - Accessory for game apparatus : en
  • US2317468A - Apparatus for measuring strip : en
  • CH226787A - Process for the preparation of a mixture of the cis-trans isomers of 1,3-dimethyl-2- (y-phenyl-propyl) -6,7-dioxy-1,2,3,4- which have an analgesic and emetic effect on the central nervous system tetrahydroisoquinoline hydrochloride. : de en
  • CA412029A - Cable splicing clamp : en fr
  • CA412064A - Colour film filter dye removing method : en fr
  • GB552845A - Improvements in or relating to rotary perforating machines : en
  • CH226842A - Process for the preparation of an acidic disazo dye. : de en
  • US2317605A - Casket : en
  • CA412138A - Pump impeller fabricating device : en fr
  • CA412143A - Electric transformer : en fr
  • US2317621A - Building structure : en
  • AU513042A - Improvements inthe manufacture of fixatives for perfumery : en
  • CA412019A - Burner fuel supply control means : en fr
  • CA412108A - Spiral hair brush : en fr
  • CH226679A - Process for obtaining a dry invert sugar, mainly intended for industrial, pharmaceutical or medical purposes. : de en
  • CH226850A - Process for the preparation of a monoazo dye. : de en
  • ES156980A1 - IMPROVEMENTS IN OBTAINING TEETH AND OTHER PREPARED FOR ORAL AND DENTAL CARE : en es
  • US2317565A - Stripping mechanism : en
  • FR881504A - Conduit with tubular elements without possibility of extension : en fr
  • CA412111A - Journal box lid : en fr
  • CH226816A - Process for preparing 5-pregnen-3-ol-20-one. : de en
  • CH226747A - Procedure for expanding an existing steam plant. : de en
  • ES159782A1 - PROCEDURE FOR THE MANUFACTURE OF HOLLOW BODIES, ESPECIALLY FOR PACKAGING : en es
  • ES160209A1 - PROCEDURE FOR THE PRODUCTION OF A FOOT OF PRESSED GLASS WITH STEP DRIVERS IN THE FORM OF A ROD : en es
  • BE448611A - : en
  • CA412040A - Sodium ferricyanide polyhydrate production : en fr
  • CA412052A - Foundry moulding machine : en fr
  • GB552803A - An improved antiseptic particularly applicable as a mouth wash or cleaner for natural and artificial teeth : en
  • FR881538A - Electrical signaling systems : en fr
  • ES159970A1 - PROCEDURE FOR THE OBTAINING OF NEW COMBINATIONS OF INSULIN : en es
  • CA412129A - Dyeing fastness improving method : en fr
  • ES159961A1 - A PERFECTION IN TELESCOPING, ESPECIALLY IN THE TILES FOR SILK, RAYON AND SIMILAR TISSUES : en es
  • ES159867A1 - A DEVICE TO SPREAD FLOUR ON BASES FOR MASS PARTS : en es
  • US2317949A - Production of alcohols : en
  • ES159910A1 - NEW PROCEDURE FOR THE OBTAINING OF INSULATING PLATES FOR THE ELECTROMECHANICAL INDUSTRY : en es
  • US2317738A - Reaction product of aldehydes and triazine derivatives : en
  • FR881469A - Improvements to panel heating systems : en fr
  • CA412167A - Hypodermic injector : en fr
  • CH226853A - Process for the preparation of a condensation product. : de en
  • ES160224A1 - A MANUFACTURING PROCEDURE OF CARBON TETRACLORIDE : en es
  • FR881518A - Method and apparatus for removing pieces of broken axles from vehicles and the like : en fr
  • US2317811A - Coated metal wire : en
  • CA412136A - Telegraph receiver selection system : en fr
  • AU116833B2 - Improved gas control and/or mixing device for producer gas plants : en
  • CH226846A - Process for the preparation of an acidic disazo dye. : de en
  • DE734493C - Agent to increase the adhesiveness of rubber and rubber compounds : de en
  • ES159882A1 - IMPROVEMENTS IN THE EXPLOSION ENGINES, ESPECIALLY IN THE REDUCED CYLINDER, FOR LIGHT AUTOMOBILES : en es
  • ES160096A1 - A PROCEDURE TO HARDEN THE CONCRETE : en es
  • GB552886A - Improvements in and relating to electric motor control systems : en
  • US2317593A - Coin controlled release mechanism : en
  • DK60867C - Protective cover for Ship propeller shafts. : da en
  • FR881578A - Process for obtaining pure cupric oxychloride : en fr
  • ES160029A1 - INDICATOR DEVICE THAT A GAS MIXTURE IS EXPLOSIVE : en es
  • DE734809C - Shut-off device for the constantly flowing resources of smoke plume generators : de en
  • US2317906A - Dual wheel construction : en
  • US2317948A - Filling feeler mechanism : en
  • CH226665A - Wood fuel burner, in particular sawdust. : en fr
  • PL31635B1 - : en pl
  • US2317595A - Carpet : en
  • US2317684A - Road marker : en
  • US2317914A - Tufting device : en
  • US2317508A - Trailer truck : en
  • US2317557A - Recovery of nitro compounds from aqueous alcoholic mixtures containing nitromethane : en
  • GB552807A - Improvements in carrier-signal frequency-detector systems : en
  • ES157713A1 - PROCEDURE FOR THE MANUFACTURE OF FOLDING SOLES OF ARTIFICIAL LEATHER, RUBBER OR SIMILAR MATERIALS : en es
  • ES159930A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 147,128 : en es
  • DE734860C - Cylindrical, eccentrically drilled and slotted clamping sleeves for interchangeable turning and drilling tools : de en
  • GB552951A - Improvements in or relating to friction clutches : en
  • US2317822A - Band snapper for corn husking machines : en
  • US2317389A - Car truck : en
  • US2317497A - Envelope : en
  • US2317608A - Mask : en
  • DE734836C - Process for removing sulfate ions from the electrolyte for chlor-alkali electrolysis : de en
  • ES159943A1 - A CHARCOAL COLLECTOR WITH DELGAS OF DIFFERENT RESISTANCE ZONES : en es
  • US2317380A - Plasticizer : en
  • US2317938A - High-speed hydraulic turbine transmission or drive : en
  • US2317600A - Treating hydrocarbon listillate : en
  • US2317853A - Material distributing device : en
  • DE734403C - Process for the production of lecithin cholesterol preparations containing bile : de en
  • US2317563A - Hydraulic brake : en
  • US2317615A - Countersink stop : en
  • US2317747A - Yarn processing apparatus : en
  • GB552884A - Improvements in aircraft alighting gear : en
  • ES160021A1 - A PROCEDURE FOR THE OBTAINING OF HARD ALLOYS AND OWN TENACS FOR THE MANUFACTURE OF CUTTING TOOLS : en es
  • US2317535A - Package handle : en
  • PL31621B1 - : en pl
  • DE734741C - Process for the production of permanent ferrous iron solutions : de en
  • DE721661C - Emery file : de en
  • ES160005A1 - A CONTINUOUS PROCEDURE FOR THE FRACTIONATION OF GASEOUS MIXTURES, AND PARTICULARLY FOR THE SEPARATION OF BUTANDIENE BUTILDENES : en es
  • FR881515A - Device for continuously mixing two light liquid substances with one another or one such substance with a heavy gas : en fr
  • ES159912A1 - IMPROVEMENTS IN THE CYLINDER RECTIFIER MACHINES : en es
  • FR881451A - Process for preparing viscose from non-disintegrated alkaline cellulose : en fr
  • US2317872A - Grease gun : en
  • ES160031A1 - DEVICE FOR THE UNION OF CROSS, TUBULAR OR BAR-FORMED CONSTRUCTION ELEMENTS : en es
  • ES159826A1 - PROCEDURE FOR COPYING SOUND RECORDS ON MULTICOLOR FILM IN VARIOUS LAYERS : en es
  • FR881484A - Anti-parasitic oscillation device for amplifier in vacuum tube generator : en fr
  • FR881509A - Gasifier operating simultaneously in direct draft and reverse draft : en fr
  • US2317388A - Roaster : en
  • GB552944A - Improvements in and relating to valves : en
  • ES159796A1 - CLUTCH DEVICE FOR CHANGES, ESPECIALLY FOR AUTOMOBILE VEHICLES, ELECTRICAL MANEUVER AND AUTOMATIC ACTION : en es
  • ES160004A3 - APPARATUS FOR SEWING PAPERS AND THE LIKE WITH METAL STAPLES : en es
  • FR881489A - Contact converter operating in particular with breaking reactors or valves on the primary side of the transformer : en fr
  • ES160057A1 - IMPROVEMENTS IN VERTICAL VIEW FILE : en es
  • US2317432A - Press : en
  • US2317567A - Plow : en
  • USD135597S - Design for an ash tray : en
  • US2317829A - Apparatus for washing cups, mugs, drinking glasses, and similar articles : en
  • USD135594S - Table lighter for cigarettes or the like : en
  • DE734880C - Device for treating substances in an alternating electric field : de en
  • DE734771C - Process for processing resin-rich woods on wood pulp or cellulose with simultaneous resin production : de en
  • GB552931A - Improvements in or relating to sliding clasp fasteners : en
  • GB552933A - Improvements in and relating to the charging of rockets : en
  • ES159792A1 - IMPROVEMENTS INTRODUCED IN THE WIRE DEVICES : en es
  • ES160069A1 - A NEW FREE SPROCKET SYSTEM APPLIED TO BIKES : en es
  • DE734825C - Magnetic field tubes with a permanent magnet to generate the magnetic field that influences the electron flow : de en
  • CH226839A - Process for the preparation of an azo dye. : de en
  • ES159777A1 - SOME IMPROVEMENTS IN THE PROCEDURE OF SHARPENING IN BEVEL BY ONE OR TWO SIDES TO THE STEEL STRIPS : en es
  • ES159848A1 - IMPROVEMENTS IN JOINTS FOR SIMILAR PIPES AND COUPLINGS : en es
  • CH226791A - Process for the preparation of vitamin B2. : en fr
  • US2317516A - Shoe tree holder : en
  • DK60850C - Hair dryer. : da en
  • AU394041A - Improvements in industrial or gardening gloves : en
  • ES160047A1 - CONTINUOUS REGENERATION DEVICE FOR LUBRICATION OIL FOR ENGINES AND OTHER APPLICATIONS : en es
  • DE734881C - Process for carrying out catalytic conversions : de en
  • US2317708A - Assembled picture frame or the like : en
  • US2317920A - Bearing : en
  • US2317500A - Flexible support : en
  • US2317867A - Display easel : en
  • CA411992A - Furniture : en fr
  • CA412174A - Hydrocarbon synthesis : en fr
  • CA412173A - Hydrocarbon production : en fr
  • CH226711A - Sound recorder playback device. : de en
  • US2317722A - Refining mineral oils : en
  • ES159797A1 - PRECISION LATHE : en es
  • ES160054A1 - A MOTOR THAT MOVES AND PRODUCES ENERGY BY THE FORCE OF GRAVITY : en es
  • US2317579A - Gun : en
  • US2317687A - Production of hollow articles from polymeric compositions : en
  • US2317910A - Drier felt : en
  • USPP579P - Unitfd statfs patfnt offipf : en
  • DK60848C - Grating inserts for ovens and methods of making sections for such inserts. : da en
  • GB552821A - Improvements in and relating to the desiccation of solutions at low temperatures : en
  • US2317372A - Method of printing and composition useful therein : en
  • FR881608A - Small jig drill : en fr
  • ES157994A1 - PROCEDURE FOR THE OBTAINING OF REFLECTIONS NACARADOS OR ALJOFARADOS IN THE PLASTIC MASSES : en es
  • US2317414A - Laminated toboggan : en
  • US2317442A - Electron discharge tube : en
  • US2317848A - Hot process gravity filtration : en
  • ES160094A1 - IMPROVEMENTS IN THE PARKING MACHINES PROVIDED WITH DEPOSIT : en es
  • FR881584A - Improvements made to the means for sealing pins and hollow bolts : en fr
  • GB552906A - Improvements in and relating to a device for separating in a stacked record changer the lowermost record to be dropped upon the plate from the other records which must remain on the supports : en
  • US2317350A - Copper clad wire and method of preparing the same : en
  • USD135557S - Design for a glass jelly mold : en
  • FR881496A - Manufacturing process for dry starch-based products soluble in cold water : en fr
  • DE734827C - Electrically powered household appliances, in particular vacuum cleaners : de en
  • US2317524A - Control system : en
  • US2317742A - Conveyer roller : en
  • CH226794A - Pulse telegraph system. : de en
  • FR881534A - Method and installation for the confirmation and indication of the angular position of the rotating parts of remotely operated radioelectric devices : en fr
  • US2317750A - System of improving photographic layers : en
  • US2317552A - Electrical distribution system : en
  • US2317648A - Process and apparatus for producing intraosseous anesthesia : en
  • ES160170A1 - PROCEDURE FOR PREPARING A LIGHT-SENSITIVE LAYER ON A LAYER CARRIER IN THE FORM OF A TAPE AVAILABLE IN A CHASSIS OF ROLLS FOR THE ADVANCE OF THE LAYER CARRIER : en es
  • US2317369A - Printing process for color photography : en
  • US2317849A - Locomotive : en
  • US2317954A - Protective hat : en
  • CH226673A - Method of manufacturing plush knitted fabrics. : de en
  • CH226735A - Electric grinding spindle drive on grinding devices. : de en
  • CH226800A - Circuit arrangement in telephone systems for initiating and canceling inquiry switchings. : de en
  • CH226733A - Method and device for the production of flat structures from rubber or similar plastic material, in particular for the production of flat parts for rubber shoe manufacture. : de en
  • CH226834A - Process for the preparation of a new pyridinium chloride. : de en
  • CA412168A - Automobile spring seat : en fr
  • CH226840A - Process for the preparation of an acidic disazo dye. : de en
  • AU116863B2 - An improved tool holder for lathes and like machine tools : en
  • CA412150A - Tire patch cutting apparatus : en fr
  • CH226690A - Process for the preparation of p, p'-dioxy-3,4-diphenyl-hexane, mp 185 °. : de en
  • CH226718A - Roskopf watch movement. : en fr
  • US2317759A - Lead storage battery : en
  • US2317958A - Emulsifying cheese : en
  • CH226717A - Waterproof watch box. : en fr
  • CH226788A - Process for the preparation of vitamin B1. : de en
  • CA412109A - Coffee maker : en fr
  • AU116854B2 - Improvements in or relating to butter churns and workers : en
  • CA411990A - Automotive train : en fr
  • AU116870B2 - Improvements in firehose : en
  • CH226764A - Electric switch with arc extinguishing by a flowing medium. : de en
  • BE449855A - Process and positive for obtaining linseed free of the weeds : en fr
  • CA412096A - Knitted fabric : en fr
  • CH226784A - Process for the preparation of a carboxyl group-containing degradation product from dihydroequilin. : de en
  • ES160203A1 - A PROCEDURE FOR CHECKING ANTIPARASTIC WAVE PROTECTION OF ELECTRICAL DEVICES FOR FACILITIES, INSTRUMENTS OR APPARATUS, AND ESPECIALLY FOR AUTOMOBILE VEHICLES, AND DISTURBANCE SEEKER FOR ITS EXECUTION : en es
  • CA412030A - Tool post : en fr
  • CA412110A - Spring cushion : en fr
  • AU119759B2 - Improvements in and relating to methods of-electrothermal depositions of finely divided material on nonconducting surfaces : en
  • US2317632A - Means for surveying well bores : en
  • CA412133A - Lubricating oil production : en fr
  • CH226652A - Tool for cutting the trench walls of drainage trenches. : de en
  • CH226790A - Process for the preparation of trioxyabietic acid. : de en
  • ES159811A1 - IMPROVEMENTS INTRODUCED IN THE ROTORS OF TURBOGENERATORS : en es
  • US2317710A - Branch box connector : en
  • US2317844A - Luminescent tube system and apparatus : en
  • US2317670A - Bactericide and process of making the same : en
  • US2317730A - Laminated sheet material : en
  • BE449846A - Anti-glare headlight. : en fr
  • ES159822A2 - IMPROVEMENTS MADE IN THE PURPOSE OF MAIN PATENT NUMBER 155,290 : en es
  • ES159900A1 - PROCEDURE FOR THE IMPREGNATION OF WOODS AND ANALOGUE MATERIALS : en es
  • FR881453A - Process for the preparation of fibers and films with lower swelling power and lower solubility in alkaline substances : en fr
  • FR881468A - Improvements to sorting screens, with rollers : en fr
  • FR881477A - Improvement in hydrolysis of plants with concentrated hydrochloric acid : en fr
  • FR881492A - Process for the production of artificial whipped cream : en fr
  • CA412134A - Box part equipping machine : en fr
  • CH226681A - Process for fractionated pectin extraction with partially high molecular weight and starch-free pectin. : de en
  • CH226779A - Incandescent projection lamp. : en fr
  • ES160127A1 - IMPROVEMENTS IN THE AUTOMATIC MANDRELS TO HOLD, CENTERED, PARTS OR TOOLS : en es
  • FR881467A - Improvements to steam engines : en fr
  • GB552907A - Improvements in and relating to the treatment of mixed textile fibres : en
  • PL31606B1 - : en pl
  • AU116855B2 - Improvements in industrial or gardening gloves : en
  • US2317375A - Method of treating fabric, and fabric : en
  • AU116869B2 - Improvements in firehose : en
  • CH226689A - Process for the preparation of 6-membered N-heterocyclic substances. : de en
  • DE734844C - Electrolyte for electrolytic devices : de en
  • GB552804A - Improvements in or relating to a method of packaging materials : en
  • DE734877C - Direction indicators for motor vehicles : de en
  • PL31620B3 - : en pl
  • US2317926A - Building construction : en
  • FR881543A - Hydraulic or pneumatic circuit breaker : en fr
  • USD135582S - Design for a home shrine or the like : en
  • GB552811A - Improvements in or relating to baking compositions : en
  • DE734879C - Shoe heel : de en
  • CA412114A - Electric cable contact : en fr
  • US2317925A - Gauge : en
  • ES159633A1 - A VALVE OR AEROHYDRAULIC GROUP OF COMPLETE WATER DISCHARGE, APPLICABLE TO TOILETS AND TOPS : en es
  • ES160035A1 - A REGULATING DEVICE FOR THE PRINTING CYLINDERS OF TISSUE MACHINES : en es
  • US2317457A - Method of making screen cloth : en
  • CA412037A - Wire coating apparatus : en fr
  • ES160139A1 - PROCEDURE FOR THE ATTACK OF HUMIFIED SUBSTANCES : en es
  • ES159781A1 - A MACHINE FOR PACKAGING AND WEIGHING MATERIALS IN HARD POWDER DUMPING : en es
  • ES160102A1 - PROCEDURE FOR THE MANUFACTURE OF ARTICLES OF POTTERY OF CERAMIC STONE OR OTHER PLASTIC MATERIAL : en es
  • ES160194A1 - A PROCEDURE FOR THE MANUFACTURE OF METALLIC OBJECTS, SUCH AS OBJECTS OF ADORN, TABLE UTENSILS AND SIMILAR : en es
  • FR881528A - Turbo-transmission : en fr
  • ES160183A1 - STAMPING PROCEDURE : en es
  • CA412007A - Insect screen : en fr
  • CA412148A - Fluid heater : en fr
  • GB552815A - Improvements relating to electric transformers : en
  • ES159645A1 - IMPROVEMENTS IN HYDRAULIC VALVES OF SIMPLE OR MULTIPLE ACTION : en es
  • ES160206A2 - STAMPING PROCEDURE : en es
  • CH226751A - Device on gas turbines for cooling blades. : de en
  • US2317780A - Welder's electrode holder : en
  • DE734888C - Adhesive bandage : de en
  • DE734904C - Method for generating synchronization characters in television : de en
  • DE734472C - Process for the preparation of compounds of the quinoxaline group with oxygen-containing side chains : de en
  • DE734800C - Device for measuring small differences in speed : de en
  • ES160001A1 - DEVICE FOR POWERING AN EXPLOSION ENGINE : en es
  • FR881624A - Process for removing impurities and degassing copper before casting : en fr
  • US2317862A - Rawhide hammer insert : en
  • US2317406A - Pants presser : en
  • PL31630B1 - : en pl
  • PL31650B1 - A method of reducing the carbon content of soot : en pl
  • AU116830B2 - Improvements in and relating to carbon-sheet supports for typewriters : en
  • CA412125A - Centrifugal separator : en fr
  • CA412127A - Hose pipe manufacture : en fr
  • US2317542A - Device for cleaning tubes : en
  • ES160072A1 - IMPROVEMENTS INTRODUCED IN CERAMIC OVENS : en es
  • ES160116A1 - IMPROVEMENTS IN ELECTRIC WELDERS : en es
  • CA412077A - Locomotive brake equipment : en fr
  • CH226755A - Device for facilitating the start of electric motor-driven compressors. : de en
  • GB552817A - Improvements in retractable mountings for aircraft landing elements : en
  • DE734832C - Electrical switching device for thread grinding machines : de en
  • US2317956A - Liquid dispensing mechanism : en
  • CH226796A - Circuit arrangement in telephone systems with dialer operation. : de en
  • US2317572A - Direct surface intercooler : en
  • CH226808A - Device for attaching an elastic tire to a wheel of a cycle. : en fr
  • ES160171A1 - A PROCEDURE FOR OBTAINING COTTON COMPRESSES THAT KEEP THEIR FORM : en es
  • ES152032A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 152,021 : en es
  • FR881508A - Heat resistant metals and method of making them : en fr
  • BE449642A - : en
  • GB552946A - Improvements relating to phase modulation : en
  • DE734815C - Process for the production of metal meshes from platinum rhodium wires as catalysts for ammonia combustion : de en
  • FR881460A - Improvement in helical slides known as descenders : en fr
  • ES159861A1 - REGULATING DEVICE FOR AERIAL PROPELLERS : en es
  • ES160081A1 - A PROCEDURE FOR TISSUE STAMPING : en es
  • ES159888A1 - HOT WATER BOILER WITH CIRCULATION AND FORCED DISTRIBUTION AND FORCED DISTRIBUTION OF HEAT TRANSMITTER FLUID : en es
  • US2317527A - Process of making stencil character punch and die sets : en
  • US2317704A - Device for frying doughnuts or the like : en
  • ES160196A1 - ARRANGEMENT OF TWIN WHEELS FOR AIRCRAFT BOW OR TAILBOARD WHEELS : en es
  • ES159821A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 157,766 : en es
  • DE734723C - Process for the production of chloral hydrate : de en
  • CH226712A - Sound player on sound films. : en fr
  • ES159896A1 - IMPROVEMENTS IN THE PNEUMATIC HAMMERS : en es
  • GB552871A - Improved means for controlling roof openings for ventilation purposes : en
  • FR881455A - Pile dredger training : en fr
  • ES160018A1 - A UNION CLAMPING SYSTEM, ESPECIALLY TO JOIN THE TRANSMISSION MECHANISM OF AN AIRCRAFT WITH THE CELL OR SIMILAR : en es
  • ES160071A1 - IMPROVEMENTS INTRODUCED IN CERAMIC OVENS : en es
  • US2317504A - Artificial fiber board : en
  • US2317826A - Materials testing grip : en
  • GB552851A - Manufacture of bearings for precision instruments : en
  • ES159876A1 - A DEVICE FOR MELTING ROUND BLOCKS, ESPECIALLY OF LIGHT METAL : en es
  • CA412104A - Lifting and/or holding device : en fr
  • CA412067A - Colour photography : en fr
  • DE734651C - Device for peeling metal bodies that can be flame-cut using oxygen beams : de en
  • GB552893A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type : en
  • FR881639A - Liquid sprayer for agriculture : en fr
  • ES160208A1 - A QUICK AUTOMATIC MACHINE FOR METAL THREAD COVERING WITH TWO OR MORE CROSSED HELICOPTER LAYERS, OF TEXTILE MATERIALS : en es
  • CH226793A - Device for performing anesthesia. : de en
  • ES159858A1 - AN APPLICABLE ELECTROMECHANICAL MACHINE FOR THE INDUSTRIAL OBTAINING OF IMPLABLE POWDER : en es
  • CH226743A - Roto-volumetric pump. : en fr
  • CH226762A - Switch drive. : de en
  • US2317819A - Undergarment : en
  • DE734869C - Actuating device for flaps arranged on the trailing edge of the wing : de en
  • ES159864A1 - AN INTRODUCIBLE NUCLEO COIL, FOR WHICH THE COUPLING BETWEEN THE COIL AND A CONDUCTIVE SURFACE PRESENT IN THE PROXIMITY OF THIS LAST IS MODIFIED AS A RESULT OF THE NUCLEUS DISPLACEMENT : en es
  • ES160066A1 - COMPRESSED GAS COMPRESSOR FOR STARTING FAST-START COMBUSTION ENGINES, ESPECIALLY FOR FREELY-PULLING, PLUNGER MACHINES : en es
  • ES160124A1 - DEVICE IN THE BEER FAUCETS FOR THE RETURN OF THE LIQUID TO THE BARREL : en es
  • US2317537A - Harrow : en
  • US2317577A - Piston expander : en
  • CH226826A - Process for the production of a condensation product. : de en
  • CH226845A - Process for the preparation of an acidic disazo dye. : de en
  • CA412002A - Cuticle shield : en fr
  • DE734898C - Quick-closing valve for steam turbines : de en
  • ES159852A1 - IMPROVEMENTS IN THE DISC BRAKES : en es
  • ES159866A1 - A MACHINE FOR THE CONTINUOUS TRAINING OF SEWING SANDS IN BANDS OF THERMOPLASTIC ARTIFICIAL SUBSTANCES : en es
  • US2317390A - Car truck : en
  • CA412023A - Chromate production : en fr
  • AU116861B2 - Improvements in electromagnetically operated devices : en
  • US2317351A - Electrical selector for coin chutes : en
  • CA412003A - Carton : en fr
  • PL31617B1 - : en pl
  • AU404741A - Cavity resonator circuit : en
  • USD135572S - Design for a lamp lens : en
  • ES160142A1 - PROCEDURE FOR THE MANUFACTURE OF DEEP FILTERS OF SUBSTANCES IN SUSPENSION : en es
  • CH226739A - Shutter device for the passage of a hydraulic machine axis. : en fr
  • ES159877A1 - A MACHINE TO FOLD AND HOLD VIRAS SHOES : en es
  • CH226753A - Device for automatic regulation of a constant steam temperature at the outlet of superheaters. : de en
  • US2317362A - Process of treating oils : en
  • US2317694A - Paraffin alkylation process : en
  • US2317968A - Compression ignition motor fuel : en
  • AU116856B2 - Improvements in jib cranes : en
  • US2317817A - Fabric edge-folding and pressing device : en
  • PL31622B1 - : en pl
  • AU621642A - Improvements in or relating to electric welding systems : en
  • PL31604B1 - : en pl
  • CA412075A - Adjustable reactance transformer : en fr
  • CH226692A - Process for the production of an acidic wool dye. : de en
  • AU116831B2 - Improved means for vaporizing heavy fuel oils for use in internal combustion engines : en
  • DK60858C - Device for Axial Blowers for Air-Cooled Engines. : da en
  • DE734743C - Process for the production of polyamide-like compounds : de en
  • CA412119A - Wireless receiving set with automatic tuning : en fr
  • PL31636B1 - : en pl
  • US2317685A - Method of waterproofing inorganic hydrous oxide bodies, and product : en
  • CH226710A - Accounting calculator. : en fr
  • CH226780A - Handpiece for dentists. : en fr
  • US2317541A - Can opener : en
  • US2317900A - Safety fishhook : en
  • US2317946A - Internal combustion engine : en
  • USD135561S - Design fok a telescope or the like : en
  • US2317444A - Trestle : en
  • US2317592A - Handle assembly : en
  • US2317603A - Utilization of petroleum refinery gas : en
  • US2317933A - Furnace electrode gland : en
  • FR881646A - Process for isolating isoximes (lactams), or their hydrolysis products, from their solutions in concentrated sulfuric acid : en fr
  • ES160205A1 - PROCEDURE FOR PERMANENT INDICATION AND FOR COUPLING DIRECT RAYS MANIPULATED PUNTO-RAYA : en es
  • CH226721A - Process for the production of hard metal alloys for tools and work equipment. : de en
  • US2317871A - Portable refrigerator container : en
  • US2317833A - Telephone system : en
  • FR881557A - Water insoluble azo dyes and method of preparation on the fiber : en fr
  • ES160051A3 - IMPROVEMENTS IN THE APPLIANCES FOR TOASTING COFFEE AND SIMILAR PRODUCTS : en es
  • FR881593A - Incandescent electric lamp or discharge tube base : en fr
  • GB552932A - Improvements in or relating to couplings for tubes, pipes and the like : en
  • DE734452C - Process for the production of water-insoluble azo dyes on the fiber : de en
  • DE734840C - Arrangement for spatial direction finding : de en
  • FR881539A - Electric discharge tubes in a gas and control circuit therefor : en fr
  • CH226650A - Motor-driven, hand-operated tiller. : de en
  • FR881615A - Device for stapling films or similar tapes : en fr
  • GB552942A - Improvements in and relating to electric resistance heating elements : en
  • US2317560A - Adjustable mold board : en
  • US2317870A - Shoe : en
  • ES160128A1 - A NEW CONSTRUCTIVE SYSTEM OF BRICKS OR BLOCKS OF ANY COMPOSITION AND FORM WITH ABSOLUTE ABSENCE OF IRON AND WOOD : en es
  • GB552870A - Improvements in or relating to external draught excluders : en
  • CH226789A - Process for the production of pentamethylene tetrazole. : de en
  • CA412048A - Traffic control system : en fr
  • CH226697A - Process for the production of opaque oxide protective layers on objects made of aluminum and its alloys. : de en
  • FR881565A - Aircraft wing deflector automatic control unit : en fr
  • US2317951A - Fractional distillation means : en
  • US2317810A - Finder for photogaphic purposes : en
  • ES159859A1 - PROCEDURE FOR OBTAINING A NEW FUEL FOR EXPLOSION ENGINES : en es
  • FR881487A - Precision drill spindle : en fr
  • GB552894A - Improvements in or relating to apparatus for controlling the mixing of combustible gases : en
  • ES159987A1 - MACHINES FOR SEWING SOILS OF ALPARAGATAS : en es
  • DE734903C - Device for the electrical remote transmission of picture or letter characters of constant content or for switching purposes using a cathode ray tube : de en
  • US2317772A - Internal combustion engine with scavenging pump : en
  • FR881645A - Tube drawing bench : en fr
  • US2317394A - Process for making hardboard : en
  • US2317484A - Cooling system for beverage vending machines : en
  • PL31647B1 - Mahle Komm. - Goose. *), Stuttgart, Bad Cannstatt Core consisting of several parts for the production of hollow objects, especially for the production of pistons of internal combustion engines : en pl
  • GB552836A - Improvements in the preparation of lapping, polishing, grinding and the like surfaces : en
  • GB552834A - Improvements relating to tilting mechanisms for bessemer and like converters : en
  • FR881511A - Container for holding lighted cigarettes or cigars : en fr
  • FR881636A - Double carry business book : en fr
  • GB552925A - Device for holding bats used for table tennis : en
  • ES159333A1 - AN INSTALLATION OF COMMUNICATIONS IN AIRCRAFT : en es
  • FR881495A - Process for the formation on a support of an insoluble layer from colloids containing hydroxyl groups such as carbohydrates, and for the preparation of dry products for use in said process : en fr
  • FR881499A - Chaise longue with articulated backrest : en fr
  • GB552819A - An improved carrier current communication system : en
  • DE734818C - Overcurrent heat release : de en
  • DE734889C - Permanent waving liquid for creating hair waves and permanent frizz : de en
  • US2317865A - Automatic bag filling and weighing machine : en
  • ES160112A3 - PROCEDURE FOR THE PREPARATION OF A HIGH PERFORMANCE ELECTROLITE BASED ON SODIUM STANNATE : en es
  • FR881648A - Motor or gear pump : en fr
  • GB552910A - Improvements in the electric heating of structures : en
  • US2317515A - Chair : en
  • US2317439A - Transmission system for ultrashort waves : en
  • US2317715A - Spirit level : en
  • US2317852A - Elevator : en
  • USD135558S - Display stand : en
  • US2317690A - Clamping device : en
  • US2317634A - Building construction : en
  • US2317680A - Snowplow : en
  • US2317864A - Fabric airless tire : en
  • ES159993A1 - NEW ADJUSTABLE AERIAL PROPELLER SYSTEM : en es
  • PL31609B1 - : en pl
  • PL31663B1 - A method of improving the baking ability of cereal flour, especially wheat flour : en pl
  • FR881481A - Use in stoves, cookers or other heating means, in which there is an oven, of a duct directly connecting this oven to the smoke and gas discharge manifold : en fr
  • US2317450A - Terminal box : en
  • FR881553A - Process for the production of metallic off-set printing shapes : en fr
  • US2317486A - Production of artificial straw : en
  • US2317490A - Window regulator : en
  • ES159884A1 - IMPROVEMENTS IN THE REGULATION SYSTEMS OF COMPRESSION REFRIGERATION FACILITIES : en es
  • GB552861A - Improvements in and relating to indicating, display and like apparatus : en
  • US2317543A - Suction cleaner : en
  • FR881601A - Motor vehicle usable for the transport of travelers and goods : en fr
  • GB552950A - Improvements in or relating to air cleaners : en
  • ES159784A1 - AVERAGE WAVE VALVE, MODULATION BY SPEED : en es
  • ES159996A1 - IMPROVEMENTS IN THE INSTALLATION OF REPAIR WORKSHOPS : en es
  • GB552833A - Improvements in and relating to pit props : en
  • US2317574A - Vertical rotary molding machine : en
  • DE734868C - Breathing valve : de en
  • US2317854A - Friction transmission gearing : en
  • FR881562A - Process for varying the sound intensity of magnetic sound recordings, in particular for gradually attenuating or affixing sound recordings to magnetogram carriers : en fr
  • US2317752A - Modified starch : en
  • US2317808A - Process of preparing phenylacetylene : en
  • USD135584S - Design for a tent stake : en
  • FR881512A - Gas saving device, in particular for kitchen stoves : en fr
  • FR881526A - Hot gas engine comprising a recovery device : en fr
  • GB552858A - Improvements in protecting devices for universal joints : en
  • DE734858C - Silencers, especially for internal combustion engines : de en
  • US2317413A - Process for the concentration of boron chemically combined from its ores by autoflotation : en
  • US2317947A - Fuel injection system for use in multicylinder compression-ignition engines : en
  • FR881628A - Process for preparing finely divided sulfur : en fr
  • GB552814A - An improved globe for hurricane lamps : en
  • CH226728A - Plan processing device on machine tools. : de en
  • US2317924A - Garment steamer : en
  • FR881582A - Converter mounting : en fr
  • ES160150A1 - A METHOD FOR THE BENEFIT OF THE COBALT AND NICKEL OF ITS POOR OXIDES MINERALS : en es
  • FR881497A - Injection pump : en fr
  • ES159787A1 - AN ELECTRIC MOTOR : en es
  • FR881531A - Assembly table or trolley for machine tools : en fr
  • US2317674A - Metal planer : en
  • US2317774A - Magnetic filter : en
  • US2317453A - Beverage making apparatus : en
  • DE734863C - Staples for temporary stapling of e.g. sheets to be connected by riveting : de en
  • GB552829A - Improvements in or relating to selector bars for jacquards : en
  • FR881491A - Manufacture of glass objects with foot in a single working pass : en fr
  • US2317531A - Means for packing runners for curtain rails : en
  • US2317411A - Dressing mechanism : en
  • FR881612A - Optimum coupling warning device for starting electric motors : en fr
  • FR881627A - Process for preparing selenium which can be used in particular in electrical engineering : en fr
  • US2317836A - Safety apparatus : en
  • DE734852C - Process for the metal-cutting deformation of aluminum and its alloys : de en
  • ES159936A1 - IMPROVEMENTS IN OSCILLATING VESSEL GAS METERS : en es
  • CH226848A - Process for the preparation of a monoazo dye. : de en
  • CH226668A - Suspension for upholstered furniture and mattresses. : de en
  • US2317522A - Machine tool : en
  • US2317904A - Glass bending apparatus : en
  • CH226837A - Process for the preparation of an azo dye. : de en
  • DE734735C - Device for discharging the capacitor of a capacitor X-ray apparatus when regulating the input voltage back : de en
  • FR881606A - Device for precise drilling of holes without pre-punching of the workpiece : en fr
  • US2317367A - Submarine weed cutting apparatus : en
  • US2317571A - Bail buckle : en
  • US2317611A - Cashew nut shell liquid material compositions and bases carrying the same : en
  • US2317381A - Container : en
  • USD135588S - Design for a ration container : en
  • US2317412A - Military tank : en
  • DE734744C - Process for the emulsion polymerization of butadienes : de en
  • ES160223A2 - A PROCEDURE FOR THE MANUFACTURE OF COVERS FOR BEDS : en es
  • ES157945A1 - A NEW DEVICE FOR FEEDING HEATING BOILERS AND SIMILAR FOR ANY TYPE OF COMBUSTIBLE OR MIXING VARIOUS : en es
  • ES159890A1 - A NEW SYSTEM OF GAS REGULATION IN THE EQUIPMENT USED FOR THE COMBUSTION OF THE GAS : en es
  • ES160200A1 - PROCEDURE FOR OBTAINING POLYVINYL CHLORIDE POWDER CONTAINING ACIDAL SUBSTANCES : en es
  • GB552912A - Improvements relating to filtering and drying apparatus : en
  • US2317628A - Valve : en
  • US2317912A - Pneumatic tire : en
  • DE734885C - Blade ring association for radially loaded centrifugal machines, in particular radially loaded turbines : de en
  • ES159997A1 - IMPROVEMENTS IN HILATURE NEEDLES : en es
  • US2317697A - Power operated window regulator : en
  • US2317707A - Strainer for plumbing fixtures : en
  • US2317627A - Valve : en
  • ES160013A1 - PROCEDURE FOR THE PURIFICATION OF THE PREHYDROLLATES OF THE RAW MATERIALS FOR THE FERMENTATION : en es
  • PL31660B1 - A method of producing linear condensation products containing amide groups in a chain : en pl
  • US2317930A - Barrette : en
  • DK60849C - Procedure for the Preparation or Purification of Natural Vitamin A and D Concentrates from Animal Starting Substances. : da en
  • ES159907A1 - IMPROVEMENTS IN THE MANUFACTURE OF TROPE THREAD FOR RAILWAYS, TRAMWAYS, TROLLEYS AND OTHER ELECTRICAL FACILITIES : en es
  • GB552913A - Improvements in transportable heat-insulated containers for refrigerated products : en
  • DE734854C - Use of chrome-iron and chrome-nickel alloys for heating conductors : de en
  • ES157754A1 - IMPROVEMENTS IN THE MANUFACTURE OF PEGAR COLAS : en es
  • ES160149A1 - A PROCEDURE TO PRODUCE PREVENTATIVE CORROSION COVERINGS : en es
  • US2317940A - Marking machine : en
  • USD135555S - Design for a button : en
  • US2317598A - Expansion joint : en
  • US2317823A - Screw cap molding machine : en
  • PL31623B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m, b. H., Berlin Machine dk> reproducing sounds with adapter timing using a curved disc : en pl
  • US2317866A - Electrochemical halohydrination and electrode regeneration : en
  • CA412045A - Container cap feeding apparatus : en fr
  • CA412153A - Power transmission : en fr
  • ES160027A1 - A PROCEDURE FOR DRYING IN A DRY ALBUMIN SOLUTIONS : en es
  • CA411989A - Vehicle wheel mounting device : en fr
  • US2317431A - Reel : en
  • US2317795A - Reaction nozzle : en
  • GB552806A - Improvements in welding metal elements : en
  • ES160103A3 - A MINIATURE FILM PROJECTOR APPARATUS : en es
  • ES159801A1 - A STEEL FUSION OVEN WITH RECOVERY, ESPECIALLY METAL : en es
  • ES160106A3 - A PROCEDURE FOR PRODUCING ALCOHOL ACETONE : en es
  • ES160210A1 - SLIDER FOR ZIPPER CLOSURE : en es
  • US2317743A - Switching mechanism : en
  • ES159785A1 - CONTROL SYSTEM FOR SPEED MODULATION VALVES : en es
  • GB552852A - An improved face shield : en
  • AU116839B2 - Improvements in or relating to coated products and coating processes : en
  • CH226844A - Process for the preparation of an acidic disazo dye. : de en
  • CH226727A - Automatic lap. : en fr
  • CA412025A - Molten metal composition altering method : en fr
  • CH226656A - Structure. : de en
  • US2317395A - Deformable or elastic accumulator : en
  • PL31657B1 - : en pl
  • US2317625A - Carburetor for internal combustion engines : en
  • ES160016A2 - PROCEDURE FOR OBTAINING AN ENCOURAGING MEDIA, BASED ON TALL OIL : en es
  • FR881587A - Manufacturing process for poor or boron-free enamels : en fr
  • DE734872C - Brake rope safety hook attached to the aircraft : de en
  • US2317408A - Method and apparatus for producing and dispensing sanitary mouthpieces for bottles : en
  • US2317570A - Suction cleaner : en
  • US2317346A - Safety belt : en
  • US2317501A - Friction damped engine mount : en
  • US2317606A - Agricultural device : en
  • US2317744A - Shuttle feeler : en
  • US2317756A - Process for improving materials containing cellulose : en
  • US2317921A - Process and apparatus for handling elastic filamentary material : en
  • AU453042A - Improvements in jib cranes : en
  • BE449614A - : en fr
  • US2317758A - Treatment of acetic acid : en
  • GB552930A - Improvements in or relating to means for indicating the angular position of a rotary body : en
  • US2317400A - Automatic steering and control mechanism : en
  • US2317437A - Clothes rack : en
  • US2317788A - Calendar : en
  • CA412005A - Window screen : en fr
  • CH226819A - Process for the production of a new thiourea derivative. : de en
  • DE734829C - Speed limiter for internal combustion engines with a rotatable throttle valve built into the air supply pipe of the machine : de en
  • DK60861C - Procedure for the manufacture of fishmeal and fish waste and similar raw materials. : da en
  • CA412147A - Electric switch mechanism : en fr
  • CA412060A - Switch controlling device : en fr
  • CA412103A - Electric conductor clamp : en fr
  • CH226748A - Procedure for operating explosion engines. : de en
  • CH226693A - Process for improving the processability of plastics produced by polymerizing compounds containing the group CH2 = C <. : de en
  • CA412171A - Drill press : en fr
  • CA412128A - Sofa-bed : en fr
  • CA412006A - Universal joint : en fr
  • CA412028A - Combination hydraulic and rubber die : en fr
  • US2317764A - Carrier frequency amplifier : en
  • US2317456A - Formaldehyde-crotonaldehyde condensation product : en
  • USD135580S - Design for a game board : en
  • DK60852C - Procedure for the manufacture of products of zinc alloys by rolling or drawing or both. : da en
  • ES159869A1 - AN INDUSTRIAL PROCEDURE FOR MANUFACTURING AN ORGANIC FERTILIZER : en es
  • GB552876A - Improvements relating to burners especially low calorific value gases : en
  • FR881572A - Circular machine to grind, repolish or regenerate : en fr
  • GB552887A - Sulphonamide derivatives : en
  • GB552890A - A latch needle : en
  • PL31610B1 - : en pl
  • CH226658A - Device for assembling a plank to a pillar. : en fr
  • US2317838A - Retort discharge mechanism : en
  • US2317897A - Extrusion device : en
  • US2317549A - Electrically controlled reciprocating fluid motor : en
  • US2317739A - Reaction product of aldehydes and triazinyl cyanoalkyl sulphides : en
  • DE734830C - Device to compensate for film shrinkage : de en
  • ES158236A1 - PROCEDURE FOR THE MANUFACTURE OF A PASTE INTENDED FOR THE PROTECTION OF ELECTRICAL RESISTANCE : en es
  • CA412041A - Sodium ferricyanide production : en fr
  • CA412050A - Brake mechanism : en fr
  • DE734824C - Electron tubes : de en
  • CA412146A - Direction signal switch : en fr
  • USD135581S - Design for a ring : en
  • CA412076A - Locomotive brake equipment : en fr
  • CA412004A - Earth moving equipment : en fr
  • CA412083A - Billet forming apparatus : en fr
  • CA412162A - Pyrophoric lighter : en fr
  • CH226660A - Electric space heater with ceramic casing. : de en
  • PL31639B1 - : en pl
  • US2317423A - Motok : en
  • ES159904A3 - A MICROPHONE : en es
  • CH226807A - Removable rim for vehicle wheels. : de en
  • US2317923A - Relief valve : en
  • PL31659B1 - Device for kindling gas generators : en pl
  • DE726373C - Machine for labeling workpieces that are upright, such as bottles or the like. : de en
  • GB552856A - Improvements in and relating to signal lamps : en
  • US2317377A - Railway truck : en
  • US2317770A - Refining mineral oils : en
  • US2317422A - Valve : en
  • US2317827A - Quick disconnect coupling : en
  • BE449656A - Protective colors manufacturing process : en fr
  • US2317782A - System and method of treating sewage or other waste materials : en
  • AU510442A - Degasification and clarification of liquid dispersions : en
  • US2317417A - Knitting machine and method of knitting : en
  • US2317588A - Ignition system : en
  • US2317898A - Wash-basin assembly : en
  • US2317845A - Luminescent tube lighting apparatus : en
  • US2317658A - Goggles : en
  • CA412049A - Pressure responsive indicating instrument : en fr
  • CA412084A - Glassware lehr and annealing method : en fr
  • CH226657A - Method for establishing constructions in prestressed materials, and device for implementing this method. : en fr
  • US2317726A - Breaking agent for emulsions from crude petroleum and salt water and a breakage of said emulsions : en
  • CH226810A - Pipe connection to the vehicle frame. : de en
  • US2317907A - Wall : en
  • US2317785A - Separator : en
  • US2317466A - Process of producing effects on textile material : en
  • ES159799A1 - PROCEDURE FOR WELDING LIGHT METALS AND ALLOYS OF THE SAME METALS, ESPECIALLY FROM MAGNESIUM : en es
  • FR881452A - Process for obtaining furfurol and xylose from cellulose products which are very soluble and dissolved during the preliminary hydrolysis of raw materials containing cellulose : en fr
  • US2317363A - Toy electric car : en
  • US2317945A - Bullet resistant glazing unit : en
  • FR881457A - Improvement in antiparasitic porridge : en fr
  • FR881554A - Electrical assembly with automatic adjustment of the operating point : en fr
  • CA411988A - Egg grading machine : en fr
  • US2317891A - Waterproof adhesive composition : en
  • PL31624B1 - : en pl
  • US2317425A - Manufacture of harmonicas : en
  • CA412039A - Dipotassium monosodium ferricyanide preparation : en fr
  • CH226669A - Broth pans on coffee machines. : de en
  • US2317735A - Brace for the rails of railroad tracks : en
  • US2317815A - Clamping means for wound clips : en
  • AU116853B2 - Apparatus and method for separating and condensing into determined fractions volatile gaseous vapours given off carbonaceous material under heat treatment : en
  • CH226732A - Elastic tubular article and method for its manufacture. : en fr
  • FR881493A - Improvement in apparatus for the manufacture of a continuous strip of smoothed or polished glass : en fr
  • CA412038A - Dipotassium monosodium ferricyanide preparation : en fr
  • ES160158A2 - PROCEDURE FOR PURIFICATION OF THE PREHYDROLYZED PRODUCTS OF CELLULOSIC RAW MATERIALS FOR FERMENTATION : en es
  • US2317692A - Photographic enlarger : en
  • PL31643B1 - : en pl
  • US2317745A - Lubricating device for aircraft engines : en
  • US2317673A - Color correlating sample book : en
  • DE734905C - Circuit arrangement for the generation of saw-tooth-shaped and symmetrical voltages with respect to the zero line : de en
  • FR881566A - System and device for transmitting signals using multiple transmission channels : en fr
  • PL31654B1 - A device for air cooling of vehicle combustion engines with the use of axially working blowers : en pl
  • US2317797A - Method of treating tall oil and product obtained thereby : en
  • CA412051A - Jordan plug jacket : en fr
  • CH226805A - All-terrain vehicle. : de en
  • PL31646B1 - A method for stretching artificial threads, bristles and strings, and a device for carrying out the method : en pl
  • US2317709A - Refrigeration apparatus : en
  • US2317793A - Method for the production of steel : en
  • AU116849B2 - Improved means for imparting auxiliary intermittent reciprocation : en
  • CA412031A - Pipe supporting clip : en fr
  • CH226731A - Process and device for recycling waste from veneers. : de en
  • CH226797A - Automatic interrupter device on drive magnet for voters and similar switching devices. : de en
  • ES159986A1 - AN IMPROVEMENT IN THE PROCEDURE FOR THE CONSTRUCTION OF CONTINUOUS PAVEMENTS THAT ALLOWS THE USE OF WOOD : en es
  • US2317534A - Device for supporting smokers' pipes : en
  • US2317714A - Means for automatically adjusting adjustable abrasive or cutting tools : en
  • USD135578S - Plastic bonding strip for fabric covered structures : en
  • FR881568A - Method and apparatus for synchronizing a generator of electric oscillations using a voltage at frequency submultiple or equal to the frequency of the generator, in particular for television : en fr
  • CA412142A - Railway switch apparatus : en fr
  • US2317342A - Rotary wing aircraft : en
  • US2317430A - Apparatus for sizing and classifying crushed slag material and the like : en
  • US2317778A - Governor attachment for impellers : en
  • CH226778A - Safety device against inadvertent leakage of unburned fuel for gas-heated devices. : de en
  • US2317732A - Coded track circuit signaling system : en
  • CH226786A - Process for the preparation of a furancarboxamide. : de en
  • AU118153B2 - Improvements in or relating to all-woven cartridge belts as used with quick-firing machineguns : en
  • PL31633B1 - : en pl
  • US2317857A - Polymerized styrene-polyisoprene resin product : en
  • US2317505A - Composition fob removing wallpaper : en
  • US2317538A - Signal : en
  • US2317957A - Power take-off : en
  • CA412092A - Fire extinguishing method and apparatus : en fr
  • US2317937A - Apparatus for handling hat fur carrier material or the like : en
  • US2317677A - House car construction : en
  • CA412107A - Rotary pump : en fr
  • CA412121A - Yarn and fabric : en fr
  • CH226740A - Stuffing box for rotating shafts. : de en
  • CH226856A - Lighting device for projection devices, in particular for motion picture devices. : de en
  • US2317696A - Process for imparting greaseproof characteristics to paper : en
  • US2317941A - Incineration of liquid sludge or the like : en
  • CH226716A - Box. : en fr
  • US2317416A - Comminuting apparatus : en
  • DE718087C - Arrangement to limit the rapid paper feed of fault recorders in the event of permanent faults in electrical networks : de en
  • DE734777C - Type printing telegraph with a type wheel, an auxiliary shaft rotating while the type wheel is being set and with tactile levers : de en
  • CA412078A - Brake control apparatus : en fr
  • CH226715A - Pusher winder for timepiece. : en fr
  • CH226741A - Device for switching gear drives. : de en
  • DE734847C - Process for the production of water-insoluble azo dyes on the fiber : de en
  • US2317451A - Means for reinforcing refractory furnace walls and the like : en
  • US2317612A - Camera : en
  • US2317737A - Reaction product of aldehydes and pyrimidine derivatives : en
  • US2317859A - Styrene-polypiperylene copolymer : en
  • CH226820A - Process for the production of a condensation product. : de en
  • ES160126A1 - IMPROVEMENTS IN HEATING BATHS FOR STEELS : en es
  • DE734765C - Cleaning agents for teeth and dentures : de en
  • ES160199A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BOXES FOR RADIOTELEPHONY RECEIVERS : en es
  • CH226785A - Process for preparing 4,5-pregnenedione-(3,20)-diol-(17,21). : de en
  • DE734839C - Process to achieve a constant permeability in the area of small fields in iron-chromium alloys and their use : de en
  • GB552872A - Improvements in or connected with skid fenders for use in the launching of ships life boats : en
  • CA412059A - Centrifugal switch : en fr
  • BE449804A - Telecommunications system for establishing connections : en fr
  • CA412012A - Filing drawer : en fr
  • CH226841A - Process for the preparation of an acidic disazo dye. : de en
  • BE449677A - : en
  • CA412013A - Shaft seal : en fr
  • CA412170A - Foundry sand muller : en fr
  • PL31648B1 - Liibecker Maschinenbau-Gcsellschaft, Lübeck Steering system for track chains for dredgers : en pl
  • US2317511A - Scraper : en
  • US2317556A - Liquid level controlling means : en
  • CH226860A - Process for the preparation of an ethylene derivative. : de en
  • CH226714A - Recreational eyewear. : en it
  • FR881494A - Quiet : en fr
  • USD135587S - Corn scraper or similar article : en
  • CH226843A - Process for the preparation of an acidic disazo dye. : de en
  • AU763142A - Improvements in or relating to all-woven cartridge belts as used with quick-firing machineguns : en
  • FR881498A - Portable press for joining two electrical conductors through a sleeve and other applications : en fr
  • AU447142A - Improvements relating to producer gas plants : en
  • PL31665B1 - Stahlwerke Briininghaus Aktiengesellschaft, Westhofen Sealing for wheel sets for mining trolleys and similar vehicles : en pl
  • US2317459A - Folding fire-escape ladder : en
  • ES160088A1 - LOADING DEVICE FOR AUTOMATIC FIREARMS : en es
  • US2317482A - Wave generating system : en
  • USD135562S - Design for a lipstick container : en
  • GB552923A - Improvements in or relating to radiographic camera systems : en
  • DE734813C - Setup for tools : de en
  • ES149419A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CUBILOTE OVENS : en es
  • ES152691A1 - A NEW METHOD, WITH ITS CORRESPONDING DEVICE, TO OBTAIN ORNAMENTAL OBJECTS COMBADOS OF PLASTIC SUBSTANCES, CONTAINING LUCIENT PARTICLES REFLECTING THE LIGHT : en es
  • ES159047A1 - A PROCEDURE FOR MANUFACTURING METALLIC MOLDED BODIES : en es
  • GB552874A - Improvements in or relating to the distribution of surge voltages in the windings of electrical apparatus : en
  • CH226726A - Machine for the continuous extrusion of metal pipes. : en it
  • CA412081A - Refractory block casting method : en fr
  • CA412151A - Power transmission : en fr
  • CA412116A - Radio receiver for direction finding or course indicating system : en fr
  • ES159903A1 - A MACHINE TO MANUFACTURE, BY VIBRATION, CEMENT BLOCKS AND ANALOGUE MATERIALS : en es
  • ES160163A1 - AN INSTALLATION INTENDED TO PRECIPITATE METALS FROM ITS SALT SOLUTIONS : en es
  • ES160202A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRIC SHEETS : en es
  • ES152735A1 - A SUPPORT SYSTEM FOR AIR CONDUCTORS : en es
  • ES159860A2 - NEW STEERING SYSTEM WITH DOUBLE TUBE AND REMOVABLE FIXING MODE OF THE TUBE ON BICYCLE FRAMES, TANDEMS OR SIMILAR : en es
  • FR881521A - Method for marking calibrated points : en fr
  • FR881592A - Friction wheel transmission : en fr
  • FR881617A - Disintegrator : en fr
  • ES158623A1 - PROCEDURE FOR PREPARING POLYMERIZATION PRODUCTS : en es
  • ES159899A1 - A PROCEDURE FOR MANUFACTURING THE TUBULAR CONTAINERS TO CONTAIN LIQUID AND PASTOSE SUBSTANCES ESPECIALLY : en es
  • FR881461A - Oil separator-recuperator : en fr
  • GR10076B - CIGARETTES AROMATIC AND HEALTHY. : el en
  • FR881604A - Method for ensuring the connection by welding, with a rotor disc, of axially struck turbine blades : en fr
  • ES160053A1 - PROCEDURE, WITH YOUR DEVICE, TO IMPROVE AND CHECK THE WELDING STITCHES ON THE LONGITUDINALLY SOLDIERS : en es
  • FR881485A - Device for monitoring the heating of high-pressure heating pipes of steam-heated baking ovens : en fr
  • FR881643A - Device for the examination, without destruction, of the material of ferromagnetic metal parts : en fr
  • US2317604A - Power actuator and control for hydraulic brakes : en
  • GB552838A - Improvements in tube couplings : en
  • DE734614C - Process for equipping the inner and outer surfaces of cylindrical hollow bodies made of cast iron or steel with bituminous coatings : de en
  • GB552883A - Improved cut off mechanism for continuous rod cigarette making machines : en
  • ES160121A1 - AN OPERATING SYSTEM FOR POLYPHASIC SWITCHES : en es
  • DE734875C - Drive device for road and rail vehicles with a torque converter based on the flow principle : de en
  • FR881633A - Removable chair entirely in wood : en fr
  • FR881641A - Power and power factor meter for single-phase system and polyphase system : en fr
  • ES160228A1 - IMPROVEMENTS IN THE TRANSMISSIONS BY METAL TAPE, WITH TRAILER BY TEETH : en es
  • DE734808C - Window attachment, especially for aircraft windows : de en
  • DE734804C - Fluid transmission : de en
  • ES159879A1 - PROCEDURE FOR OBTAINING SUBSTITUTE ARYLENDIOXANE COMPOUNDS : en es
  • FR881629A - Process for improving dyes on animal fibers using bichromate dyes : en fr
  • ES159935A1 - A CONDENSER ELECTRIC CONNECTED WITH CONNECTORS CONNECTORS INSERTS IN THE ROLLING : en es
  • GB552810A - Improvements in and relating to automatic sprinkler heads for fire extinguishers : en
  • GB552926A - Device for holding name cards, numbers, references and the like : en
  • FR881502A - Process for the manufacture of colored synthetic articles, and more especially of threads or fibers obtained from plant or animal albuminous substances : en fr
  • PL31676B1 - : en pl
  • DE734553C - Measuring range selector for setting a large number of measuring ranges using at least two current transformers : de en
  • ES159832A1 - A MEMBRANE PUMP, ESPECIALLY FOR REFRIGERATING MACHINES : en es
  • FR881609A - Precision dressing device for sharpening stones : en fr
  • GB552832A - Improvements in fire ladders, water towers and the like : en
  • ES160097A1 - A PROCEDURE TO MAKE DURABLE MAPS : en es
  • ES160022A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 154.507 : en es
  • US2317436A - Color-coating cellulosic materials : en
  • US2317959A - Bituminous composition : en
  • GB552939A - Improvements relating to injection moulding machines : en
  • CH226836A - Process for the preparation of a green trisazo dye. : de en
  • DK60854C - Cufflinks. : da en
  • ES159887A1 - A GASOGEN : en es
  • FR881524A - Process for the preparation of p-aminobenzenesulfonacylamides : en fr
  • US2317405A - Device for removing and installing camshaft bushings : en
  • US2317799A - Line insulator : en
  • AU511442A - Process forthe preparation of stilbene derivatives : en
  • BE449657A - : en fr
  • CA412026A - Chromium bearing alloy production : en fr
  • US2317366A - Lasting machine : en
  • US2317550A - Projection device : en
  • US2317630A - Motor control : en
  • US2317651A - Receptacle : en
  • DE734799C - Casting device for the production of films : de en
  • GB552840A - Improvements in or relating to dial indicator stands : en
  • ES160168A1 - IMPROVEMENTS IN SMALL LANTERNS, ESPECIALLY POCKET, FOR USE IN PLACES EXPOSED TO WATER : en es
  • GB552865A - Package opening means : en
  • ES160167A1 - IMPROVEMENTS AND IMPROVEMENTS IN A NEW POOR GAS GENERATOR, WITH CHARCOAL, FOR MOTOR VEHICLES : en es
  • PL31664B1 - Md P 3 0 ii / 3 \ * Heat transfer fluid, especially for heavily coupled vehicles : en pl
  • ES154213A1 - A PROCEDURE FOR THE USE OF THE ALPHA IN OBTAINING GAS FOR FEEDING EXPLOSION ENGINES : en es
  • US2317934A - Business machine mounting means : en
  • ES153725A3 - A GEAR SHIFTING SYSTEM FOR BICYCLES : en es
  • GB552915A - An improved camouflage fabric or screen for concealing possible targets from observation, and a machine for the manufacture thereof : en
  • CA412124A - Soap manufacture : en fr
  • CH226671A - Process for processing the sulfuric acid precipitation baths circulating in the viscose spinning or casting machines. : de en
  • GB552854A - Improvements in or relating to apparatus for stereophonically recording, transmitting and reproducing sound : en
  • US2317814A - Cooling trap, primarily for condensing vapors of mercury and the like : en
  • US2317719A - Method and apparatus for detecting flaws in magnetizable bodies : en
  • ES159988A2 - A TURNING APPARATUS OF PARVA : en es
  • ES160105A1 - A ACCELEROTAQUIMETRIC REGULATOR : en es
  • ES160187A1 - A PROCEDURE TO INCREASE THE EFFICACY OF COPPER PULVERIZATION BLENDS : en es
  • GB552937A - Improvements relating to prepayment mechanism for meters : en
  • FR881459A - Enhancements to wedge training devices : en fr
  • FR881564A - Removable and tunable antenna, for transportable radio communication devices : en fr
  • FR881638A - Device for the automatic control of the operating device of a gear change mechanism : en fr
  • FR881546A - Condensation products and process for preparing these products : en fr
  • ES159793A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ACOUSTIC DEVICES FOR THE DEAF : en es
  • DE734882C - Process for the preparation of a 4-aminomonobromofluoranthene : de en
  • ES150925A1 - A MECHANISM FOR ROTARY ELECTRICAL CIRCUIT BREAKERS : en es
  • ES158736A1 - A MECHANISM OF WHEELS DENTATED FOR CHANGE OF SPEEDS INTENDED FOR BICYCLES AND OTHER SIMILAR VEHICLES : en es
  • ES159842A1 - A PROCEDURE FOR THE MANUFACTURE OF A NEW LIQUID FUEL : en es
  • CH226655A - Anticryptogamic product for agricultural use. : en fr
  • ES160201A1 - MOWER : en es
  • US2317890A - Vulcanizer : en
  • US2317953A - Engine starter gearing : en
  • US2317757A - Alkylene-polyamines and a process of preparing them : en
  • USD135600S - Pair of ophthalmic spectacles : en
  • US2317886A - Swimming glove : en
  • US2317963A - Reinforced tread : en
  • US2317922A - Directional radio system : en
  • US2317664A - Brassiere : en
  • ES159941A1 - AN INSTALLATION OF COMPRESSED AIR BRAKES, WITH DOUBLE BRAKE VALVE, FOR AUTOMOTIVE VEHICLES WITH TRAILER : en es
  • ES159975A3 - IMPROVEMENTS IN LIGHTING DEVICES FOR DRAWING MACHINES : en es
  • FR881458A - Products derived from acid rhodanides and their application to the control of moths and other insects : en fr
  • ES159853A1 - A PROCEDURE FOR THE OBTAINING OF PLASTIC MASSES BY USING THE LACTAMAS AS A FIRST MATERIAL : en es
  • ES160175A1 - IMPROVEMENTS INTRODUCED IN CLUTCHES SPECIALLY INTENDED FOR ELECTROMAGNETIC VEHICLE VEHICLE SPEED CHANGES : en es
  • CA412008A - Staple fibres and yarn : en fr
  • US2317370A - Method of setting printing inks and composition therefor : en
  • ES158826A3 - A PROCEDURE FOR MAKING STEEL GRILL : en es
  • ES159805A3 - A MACHINE FOR WINDING THREAD ON RIBBONS : en es
  • ES159827A1 - PROCEDURE FOR THE DETERMINATION OF THE APPROPRIATE FILTERS OF COPYING AND ITS APPLICATION TO COPY MULTICOLOR NEGATIVES ON POSITIVE MATERIAL OF EQUAL NATURE : en es
  • FR881488A - Control for chip removal drills : en fr
  • FR881545A - Anthraquinone dyes and their preparation process : en fr
  • FR881599A - Ticket dispenser : en fr
  • GB552920A - Block printing : en
  • ES156111A1 - PROCEDURE AND DEVICE FOR OBTAINING MINERALS DIRECTLY AND CONTINUALLY GROSS IRON AND STEELS : en es
  • AU116866B2 - Improvements in or relating to fastening devices orthe like : en
  • GB552828A - Improvements in and relating to hurricane lamps or tornado lanterns : en
  • ES159955A3 - A PROCEDURE FOR THE MANUFACTURE OF FILTER GRIDS : en es
  • ES160011A1 - VARIABLE ELECTRICAL CONDENSER WITH DEVICE FOR THE CORRECTION OF THE CAPACITY VALUE IN VARIOUS POINTS OF ITS FIELD OF VARIATION : en es
  • ES160099A1 - IMPROVEMENTS IN GAS HEATERS : en es
  • GB552863A - Improvements in tube couplings : en
  • ES160074A2 - VALVE OR AEROHYDRAULIC GROUP FOR COMPLETE WATER DISCHARGE, APPLICABLE TO TOILETS AND TOILETS : en es
  • US2317364A - Composite structure comprising synthetic resin, and method for making same : en
  • FR881520A - Method of raising the goal : en fr
  • US2317671A - Chemical compound : en
  • FR881473A - New product that can replace coffee : en fr
  • FR881549A - Electric storage heater : en fr
  • FR881537A - Automatic, semi-automatic or similar telephone systems : en fr
  • CH226675A - Flat dryer for shrinking lengths of fabric. : de en
  • GB552929A - Improvements in and relating to screw piles and cylinders : en
  • US2317776A - Photoelectric cell : en
  • US2317816A - Refrigeration apparatus : en
  • FR881650A - Aeration device for firearms permanently installed in the interior of an aerodynamically streamlined hollow element with pointing oriented in the direction of movement : en fr
  • DK60869C - Procedure for Filling Cartridge Cases with Gunpowder. : da en
  • USD135596S - Design for a ceramic brooch pin : en
  • ES160077A1 - A REMOVABLE SHAVING MACHINE, WITH A SEMI-PERMANENT LEAF AND CLOSURE OF THAWS : en es
  • CA412093A - Butter making process : en fr
  • DK60841C - Carrier for the heath surfaces in the boilers' flue ducts. : da en
  • ES159994A1 - TOMAVISTAS CRANE WITH AUTOMATIC ADJUSTMENT OF SERVICE SEAT HEIGHT : en es
  • US2317360A - Rivet and method of making the same : en
  • US2317502A - Propeller type ventilator fan : en
  • US2317545A - Coupling : en
  • ES7005Y - Mirror holder handle for dental uses. : en es
  • ES159802A1 - A PROCEDURE AND INSTALLATION TO ENHANCE THE FORM OF QUICK PRESSES OF CYLINDERS FOR PRINTING : en es
  • GB552862A - Improvements in tube couplings : en
  • ES160136A1 - PROCEDURE FOR OBTAINING ESTERS : en es
  • US2317341A - Helicopter and method of operating same : en
  • US2317790A - Optical system : en
  • FR881581A - Improved way to establish the end piece or hooking end of a brake cable to the handle : en fr
  • FR881603A - Process for the production of protective layers on aluminum and aluminum alloy parts, by anodic treatment : en fr
  • ES151868A1 - TRANSPORTABLE CONTAINER : en es
  • FR881555A - Cathode ray tube for direct vision : en fr
  • CA412066A - Photographic silver halide emulsion : en fr
  • US2317633A - Message dispatcher for railroads : en
  • US2317944A - Cutting tool for bx armored cable and tubing : en
  • FR881479A - Axle box lubricator : en fr
  • FR881558A - Method and means for making corrections in the text of clichés for transfer printing : en fr
  • US2317471A - Selection system : en
  • FR881605A - Direction indicator for swing arm vehicle swinging up and down by pivoting to indication position : en fr
  • CA412159A - Tear tape : en fr
  • DE734775C - Process for drying water-containing gases : de en
  • ES160037A1 - PROCEDURE TO OBTAIN EFFECTS AND SMOKED IN DIFFERENT BODIES IN SPECIAL FOOD ARTICLES : en es
  • CH226761A - Waterproof socket. : de en
  • US2317403A - Method of manufacturing tin plate : en
  • US2317564A - Guard for paper indicated dobbies : en
  • CH226763A - Right and left hand rotary switch. : de en
  • US2317717A - Automatic fluid temperature regulator : en
  • CH226824A - Process for the production of a condensation product. : de en
  • USD135564S - Design for a bread slicing board : en
  • DE734853C - Process for making tempered glass sheets : de en
  • US2317769A - Chain construction : en
  • CA412112A - Tensioning apparatus for binding straps or wires : en fr
  • CA412000A - Drill for hard metals : en fr
  • CA412021A - Fountain : en fr
  • US2317398A - Railway truck structure : en
  • US2317573A - Centrifugal clutch : en
  • CH226685A - Process for the preparation of α, B-unsaturated carboxylic acids or their esters. : de en
  • CA412157A - Rubber hydrochloride film : en fr
  • CH226804A - Signs, especially for traffic purposes. : de en
  • CA412158A - Tire valve : en fr
  • AU540142A - Treatment of wool felts : en
  • BE449895A - : en
  • CH226822A - Process for the production of a condensation product. : de en
  • CH226861A - Directional antenna structure for ultrashort waves. : de en
  • US2317587A - Polymerization-furfuraldehyde condensation product of cashew nut shell liquid distillation residue and method : en
  • AU476242A - Improved means for vaporizing heavy fuel oils for use in internal combustion engines : en
  • DK60847C - Braunsk Pipe, preferably for projection purposes, and Procedure for its operation. : da en
  • ES159789A1 - NEW IMPROVEMENTS IN THE CONSTRUCTION OF ARMED CONCRETE FLOORS : en es
  • CA412144A - Forged engine piston : en fr
  • PL31611B1 - : en pl
  • US2317638A - Oil line metering plug : en
  • US2317746A - Hatpin : en
  • US2317943A - Gummed tape dispenser and applier : en
  • US2317526A - Torch cutting apparatus : en
  • AU507842A - Improved retort for extracting oil from shale, coal, lignite, wood and like oil bearing material : en
  • DE734850C - Process for the preparation of leuco-sulfuric acid esters of dyes of the anthraquinone series : de en
  • US2317877A - Manufacture of mirrors : en
  • USPP577P - krebs : en
  • US2317649A - Adapter for initialing machines : en
  • AU507942A - Apparatus and method for separating and condensing into determined fractions volatile gaseous vapours given off carbonaceous material under heat treatment : en
  • CH226688A - Process for the preparation of 5- (p-aminobenzenesulfamido) -1,3-dimethyl-2,4-dioxo-6-amino-tetrahydropyrimidine. : de en
  • CH226701A - Device for automatic insertion and adjustment of writing sheets in writing or printing machines. : de en
  • CA412057A - Cellulosic textile material processing : en fr
  • CA412033A - Resin syrup stabilization : en fr
  • US2317942A - Irritant gas discharge device : en
  • US2317960A - Manufacture of treads : en
  • US2317805A - Current regulating resistance : en
  • CA412069A - Photographic paper : en fr
  • CA412105A - Plywood manufacture : en fr
  • CH226703A - Mechanical pencil. : de en
  • AU512842A - Improvement in firehose : en
  • US2317873A - Trial frame : en
  • US2317931A - Fitting for doors : en
  • CH226723A - Method of soldering metal parts by immersion in a molten salt bath. : de en
  • CA412097A - Pipe coating and manufacturing method : en fr
  • ES158998A1 - PROCEDURE TO RECOVER THE SERPENTÍN BEER : en es
  • ES159768A1 - SOME IMPROVEMENTS IN THE MANUFACTURE OF COLD COLAS FOR CARPINETRY AND EBAINSTERÍA BASED ON CASEIN : en es
  • GB552875A - Measuring microscope : en
  • US2317418A - Variable speed transmission : en
  • US2317800A - Hydraulic storage and dispensing system : en
  • US2317841A - Rotary tiller : en
  • US2317893A - Extensible curtain rod device : en
  • US2317415A - Explosive cartridge assembly : en
  • US2317734A - Method of making corrosion resistant bottom seams for tanks : en
  • US2317582A - Antidetonating device : en
  • US2317965A - Process of coloring fibrous materials and the materials obtained thereby : en
  • CA412099A - Pneumatic hammering tool : en fr
  • CH226847A - Process for the preparation of a monoazo dye. : de en
  • CH226854A - Process for the preparation of a condensation product. : de en
  • ES159971A1 - AN INSTALLATION OF CLARIFICATION OF VARIOUS CAMERAS : en es
  • GB552909A - Improvements in and relating to weather-resistant fire-proofing processes for fibres and fabrics : en
  • CH226855A - Ski binding. : de en
  • CH226781A - Handpiece for dental surgery. : en fr
  • GB552899A - Improvements in or relating to joints between pipes and fuel containers : en
  • GB552928A - Improvements in and relating to screw piles and cylinders : en
  • CH226700A - Process for the production of self-adhesive envelopes with diagonal cut and envelope produced according to this process. : de en
  • US2317544A - Coring tool : en
  • CH226835A - Process for the preparation of a green trisazo dye. : de en
  • CA412071A - Photographic silver halide emulsion : en fr
  • US2317718A - Method and apparatus for detecting flaws in magnetizable bodies : en
  • US2317447A - Calender and process for making plastic sheets : en
  • US2317569A - Filter bag support for suction cleaners : en
  • US2317755A - Can perforator and dispenser : en
  • DE734725C - Process for the preparation of formylamino-ª ‰ -propionitriles : de en
  • ES160180A1 - PERFECTED SYSTEM FOR HOT AIR HEATING : en es
  • CA412085A - Ferrous body metal removing apparatus : en fr
  • CH226832A - Process for the preparation of a 5-pyrazolone-4-sulfonic acid. : de en
  • DE734874C - Monitoring device for gear shifting devices, especially for motor vehicles : de en
  • GB552917A - An improved form for arch concrete constructions : en
  • US2317503A - Transmission line : en
  • USD135591S - Design for a dress : en
  • USD135599S - Design for an electric fan : en
  • ES153680A1 - NEW PROCEDURE FOR THE MANUFACTURE OF PROTECTIVE PIPES FOR ELECTRICAL CONDUCTIONS : en es
  • ES160134A1 - PRESSURE LOSS WARNING DEVICE IN PNEUMATIC WHEELS : en es
  • US2317798A - Damper : en
  • US2317820A - Lady's purse : en
  • US2317599A - Brake : en
  • US2317445A - Trolling device : en
  • US2317635A - Building construction : en
  • US2317650A - Coated abrasive : en
  • DE734578C - High-frequency generator of the homopolar design with individual windings on stator cores arranged next to one another : de en
  • PL31629B1 - : en pl
  • US2317617A - Lock bolt retaining means : en
  • USD135585S - Design for a shampoo chair : en
  • DE734811C - Automatic firearm with sliding barrel : de en
  • ES159977A1 - A DISPOSITION OF JRISMAS FOR THE DECOMPOSITION OF AN OPTICAL IMAGE IN THREE FUNDAMENTAL IMAGES DISPLACED AS A CHESS BOARD : en es
  • ES160160A1 - IMPROVEMENTS IN CULOTE ESPOLETAS FOR PROJECTILES : en es
  • FR881516A - Reinforced concrete pipe or the like with prestressed reinforcement : en fr
  • CH226720A - Plain bearing material. : de en
  • DE734902C - Process for eliminating or avoiding the tempering of nitrided workpieces made of Mo-free steel : de en
  • FR881569A - Reciprocating pressurized fluid motor particularly applicable to windshield cleaners and other vehicle accessory devices : en fr
  • GB552841A - Improvements relating to packing for pistons, piston rods, glands and the like : en
  • ES159430A1 - A PROCEDURE FOR MANUFACTURING INSULATING PLATES OF VEGETABLE MATTERS : en es
  • GB552943A - Wave amplitude limiting device for signal transmission systems : en
  • CA412101A - Fine grained hardened steel machine element manufacture : en fr
  • CH226706A - Equipment on skis to make it easier to climb sloping, worn or icy ski terrain. : de en
  • US2317899A - Tab tape : en
  • ES159839A1 - IMPROVEMENTS IN MIXING MECHANISMS FOR THE CHEMICAL INDUSTRY : en es
  • CA412035A - Solid ferricyanide recovery : en fr
  • PL31655B1 - A device for air cooling of internal combustion engines with cylinders facing each other : en pl
  • USD135573S - Design for a tobacco pipe : en
  • ES159953A1 - SOME PERFECTIONS IN THE PROCEDURE OF PREPARATION AND CONSERVATION OF LEATHER FOR FOOTWEAR FOOTWEAR : en es
  • FR881475A - Improvements in methods and devices for drying strips of paper, fabric or other material, during their manufacture or treatment : en fr
  • FR881551A - Hollow cable for high voltage pipelines : en fr
  • US2317368A - Picture hook : en
  • ES159806A2 - HYDRAULIC CURRENT CLUTCH DEVICE, ESPECIALLY FOR AUTOMOBILE VEHICLES : en es
  • US2317462A - Strike plate gauge : en
  • US2317547A - Communication system : en
  • US2317761A - Transmission : en
  • US2317629A - Aircraft propeller hub : en
  • US2317668A - Resinous compositions : en
  • ES159830A3 - A PROCEDURE FOR PRODUCING GLASS FIBERS AND FIBROUS GLASS PRODUCTS : en es
  • FR881542A - Small lifting device with electric motor control : en fr
  • FR881589A - Fixing device for bushings on flexible bowden transmissions : en fr
  • ES158821A3 - NEW ELECTRIC STOVE : en es
  • US2317794A - Rivet connection : en
  • US2317809A - Finder for photographic purposes : en
  • GB552919A - Improvements in or relating to compositions for printing on textiles and in methods of printing on textile fabrics : en
  • DE734838C - Process for the production of glycols : de en
  • FR881544A - Electrostatic light modulator for recording sound on cinematographic film : en fr
  • US2317642A - Electrical capacitor : en
  • CH226829A - Process for the preparation of a 5-pyrazolone-4-sulfonic acid. : de en
  • DE734842C - Switching throttle for a current interruption device : de en
  • US2317383A - Automatic control system for dirigible craft : en
  • US2317803A - Catalytic process : en
  • DE734807C - Cinema cassette device : de en
  • DE734864C - Process for automatic control of the exposure in photographic equipment : de en
  • FR881619A - Device for reading the height of liquid columns : en fr
  • US2317961A - Method of preparing a calcined nonslaking dolomitic material for removing carbon dioxide from water : en
  • DE734861C - Steel holder with exchangeable steel : de en
  • ES160219A1 - IMPROVEMENTS INTRODUCED IN THE CART OF THE MACHINES INTENDED TO MANUFACTURE TABLET IN COMPRESSES : en es
  • ES159950A1 - PROCEDURE FOR THE TREATMENT OF RICE, IN ORDER TO MAKE IT RESISTANT TO THE COOKING AND TO IMPROVE THEIR FOOD PROPERTIES : en es
  • ES160045A1 - A PROCEDURE TO PREPARE RESIN SOLUTIONS, ESPECIALLY TO GET PAPER : en es
  • US2317637A - Piston ring : en
  • USD135598S - Design fok an ash tray : en
  • US2317740A - Variable face cam : en
  • AU116867B2 - Improvements relating to adsorption filters : en
  • BE449499A - : en fr
  • CA412090A - Conveyor flight : en fr
  • CH226651A - Tool for parting clay. : de en
  • FR881632A - Propulsion control device for cycles : en fr
  • US2317452A - Black-out shade : en
  • US2317950A - Oil testing apparatus : en
  • CH226825A - Process for the production of a condensation product. : de en
  • US2317645A - Article handling device : en
  • ES159809A1 - IMPROVEMENTS IN CARD MANUFACTURING : en es
  • GB552888A - Resilient mountings : en
  • USD135570S - Design for a lamp lens : en
  • ES159808A1 - ELECTROIMÁN WORK ELEVATOR, ESPECIALLY ELECTROIMÁN BATIENTE : en es
  • GB552877A - Improvements in vacuum pumps : en
  • ES157535A1 - PROCEDURE FOR OBTAINING DRIED FOOD FROM DRY PRODUCTS : en es
  • US2317507A - Tie for newspapers and the like : en
  • US2317699A - Automobile door lock : en
  • USD135577S - Holthouse portable heating unit : en
  • US2317775A - Refrigeration apparatus : en
  • ES159786A3 - IMPROVEMENTS IN AND RELATED TO THE PURIFICATION OF CHLORONAPHTHALINES : en es
  • US2317464A - Electromagnetic wave horn radiator : en
  • PL31644B1 - The method of treating beet seeds : en pl
  • US2317566A - Apparatus for coking oils : en
  • USD135576S - Building facade or similar article : en
  • CH226702A - Process for the preparation of color photographic images. : de en
  • FR881595A - Longitudinal oscillators, in particular magnetostrictive oscillators for its submarine : en fr
  • GB552914A - Improvements in regulating transformers : en
  • ES160146A1 - PROCEDURE FOR OBTAINING A PLANT-BASED FERTILIZER : en es
  • GB552823A - Improvements in or relating to means for the automatic and other electric control of variables : en
  • GB552908A - Improvements in and relating to weather-resistant, fire-retardant paint : en
  • CA412014A - Wheel cover : en fr
  • ES160003A1 - IMPROVEMENTS IN THE SEATS OR ROTATING VEHICLES FOR ATTRACTION TRACKS : en es
  • ES160108A1 - PROCEDURE FOR THE MANUFACTURE OF DOUBLE FLUORIDE OF ALUMINUM AND SODIUM, EXCISION OF SILICA : en es
  • FR881503A - Fastening nuts for jerk lane clips : en fr
  • DE734625C - Control for a turbo-electric locomotive : de en
  • GB552918A - Anti-aircraft barrage projectile : en
  • CA412120A - Television synchronizing system : en fr
  • FR881611A - Improvements to mixed-traction vehicles : en fr
  • DE734871C - Controllable pitch propeller : de en
  • GB552864A - Improvements in or relating to method of operating on a travelling web of material, and apparatus for cutting and delivering blanks : en
  • GB552898A - Improvements in or relating to high vacuum condensation pumps : en
  • DE734667C - Process for the production of azo dyes : de en
  • US2317662A - Cosmetic applicator : en
  • GB552860A - Speed change gear : en
  • GB552867A - Improvements in or relating to refrigerator cabinets : en
  • CH226691A - Process for the preparation of an o, o'-dioxyazo dye. : de en
  • CH226802A - Device with a discharge tube for generating and amplifying ultrashort waves. : de en
  • CA412020A - Templet : en fr
  • PL31675B1 - : en pl
  • US2317712A - Blacking out ships while still providing for the ventilation thereof : en
  • CA412044A - Staple fibre cutting mechanism : en fr
  • BE449511A - Low-voltage lantern, provided with two light sources arranged side by side with incandescent lamps of different voltage : en fr nl
  • BE449795R - Thread holder of coiled paper or similar coiled material : en fr
  • USD135565S - Handle for kitchen utensils or similar articles : en
  • CH226776A - Converter with mechanically moved contacts. : de en
  • US2317676A - Core for tire vulcanizers : en
  • CH226682A - Spiral filters for air and other gases. : de en
  • US2317813A - Shielding : en
  • US2317830A - Thermostat and method of manufac : en
  • US2317847A - Gravity filtration : en
  • CH226708A - Rotary piston liquid meter. : en fr
  • PL31640B1 - Marian Mazur, Warschau A rigid paper vessel, especially waterproof : en pl
  • SE107229C1 - : en
  • US2317441A - Heating apparatus : en
  • US2317834A - Convertible textile article : en
  • CA412024A - Metallurgical process : en fr
  • CH226823A - Process for the production of a condensation product. : de en
  • AU871843A - Improvements in and relating to methods of-electrothermal depositions of finely divided material on nonconducting surfaces : en
  • CA412074A - Brake cylinder device : en fr
  • PL31634B1 - Device for picking up, carrying, stacking and delivering cigarettes or similar objects to packages, e.g. packets : en pl
  • DE734901C - Hardening agents : de en
  • US2317435A - Tie plate and spike assembly : en
  • US2317641A - Firearm : en
  • US2317762A - Feeding mechanism for sewing machines : en
  • US2317602A - Lamp starter and maintenance device : en
  • ES159845A1 - NEW SPECIAL FRAME SYSTEM WITH MOBILE PLATFORM FOR CINEMATOGRAPHIC DEVICE : en es
  • ES159948A1 - PROCEDURE FOR THE MANUFACTURE OF PAPER WITH LITTLE CAPACITY FOR FIXING IMPRINT INKS : en es
  • US2317355A - Paperboard container : en
  • GB552820A - Improvements in and relating to methods and apparatus for canning fruits : en
  • FR881585A - Support for inked ribbons sample : en fr
  • FR881622A - Improvements in steering systems for tracked vehicles : en fr
  • US2317626A - Seal for bottles : en
  • US2317727A - Push button controller : en
  • FR881602A - Pressurized fluid regulator : en fr
  • US2317359A - Method of coloring and decorating textiles : en
  • US2317402A - Electric brake controller : en
  • US2317818A - Control stick for aircraft : en
  • US2317936A - Apparatus for cutting or flamemachining metal : en
  • CH226821A - Process for the production of a condensation product. : de en
  • US2317669A - Fruit halving device : en
  • GB552902A - Seal for centrifugal pumps : en
  • DE734802C - Screw cap with locking device : de en
  • US2317555A - Surface active agent : en
  • DE734738C - Process for the production of physically high quality paint base materials : de en
  • DE734797C - Process for chrome-plating chrome leather : de en
  • USD135586S - Design for a hat or similar article : en
  • FR881525A - Improvements made to radio transmitters or receivers, in particular to their adjustment devices : en fr
  • PL31662B1 - : en pl
  • US2317736A - Reaction product of aldehydes and pyrimidyl cyanoalkyl sulphides : en
  • DE734865C - Warning device for oxygen breathing apparatus : de en
  • GB552903A - Improvements relating to sheet-feed mechanism for printing machines : en
  • ES159361A1 - AN INDUSTRIAL PROCEDURE OF MINERAL AND VEGETABLE CARBON CONGLOMERATES WITH AN OXYGEN PURIFIER AND WATERPROOFING IN CARBONS : en es
  • CA412061A - Dynamo-electric machine : en fr
  • CH226672A - Device for clamping textile fabrics for the purpose of performing manual sewing work. : de en
  • US2317358A - Communication system : en
  • ES160089A1 - BUSHING MANUFACTURING PROCEDURE : en es
  • DE734801C - Odometer built into the axle box : de en
  • ES160145A1 - PROCEDURE FOR THE OBTAINING OF CONDENSATION PRODUCTS : en es
  • PL31632B1 - : en pl
  • FR881490A - High power switch for high voltage direct current : en fr
  • FR881630A - Gauge for checking threads : en fr
  • GB552921A - Improvements in and relating to dye bases and dyes and to photographic materials containing them : en
  • US2317840A - Refrigeration apparatus : en
  • ES160197A1 - NEW BOW OR TAIL SKATE SWIVEL SYSTEM FOR AIRCRAFT : en es
  • GB552847A - Improvements in holders for cigarettes, cigars and the like : en
  • FR881483A - Piston for internal combustion engines : en fr
  • CA412016A - Car wheel tire : en fr
  • CH226680A - Process for the production of tasteless enzyme preparations. : de en
  • GB552901A - Improvements in or relating to yarn twisting and winding apparatus : en
  • US2317768A - Constricting means for tubular garments : en
  • US2317964A - Electrical wiring system : en
  • CA412062A - Photographic film base : en fr
  • CH226694A - Process for the polymerization of vinyl acetate. : de en
  • ES159783A1 - IMPROVEMENTS IN THE MACHINES TOOLS : en es
  • ES159965A1 - IMPROVEMENTS INTRODUCED IN THE FLAT SEAT INJECTORS FOR EXPLOSION ENGINES : en es
  • DE734820C - Rectifier measuring device : de en
  • ES160179A3 - A COMBUSTIBLE GAS PACKAGING AND SALE PROCEDURE AND DEVICE FOR ALL USES : en es
  • GB552866A - Improvements in or relating to the preparation of light-polarising images : en
  • ES159810A1 - A PROCEDURE FOR THE OBTAINING OF 6-ISOAMILAMINO-2-METHYL HEPTANE : en es
  • DK60851C - Building element of concrete and wood in the form of a beam or pillar. : da en
  • US2317344A - Engine starter : en
  • GB552911A - Improvements in or relating to wireless aerial systems : en
  • DE734792C - Process for the manufacture of electric heating elements : de en
  • ES159957A3 - MACHINE FOR THE COMPLETE MANUFACTURE OF STOCKINGS OR SOCKS IN PLAIN OR IN ELASTIC DOUBLE SIDED RIB : en es
  • ES160119A2 - IMPROVEMENTS IN THE CONSTRUCTION OF PAVERS OR TILE FOR FLOORS : en es
  • ES160067A3 - A PROCEDURE TO OBTAIN EXTRACTIVE SUBSTANCES FROM MINERAL COALS BY MEANS OF SOLVENTS : en es
  • GB552846A - Improvements in devices of the electrostatically-controlled arc discharge type : en
  • US2317424A - Apparatus for perforating sheet material : en
  • US2317532A - Process for toasting flaked cereal and the like : en
  • IE17766L - Coiled tungsten filaments : en
  • US2317623A - Vehicle drive : en
  • US2317858A - Styrene-polybutadiene copolymer : en
  • ES159258A1 - A PROCEDURE FOR THE CONSERVATION OF VEGETABLES, FRUITS AND OTHER VEGETABLE FOOD PRODUCTS BY DESIRATION AND BRIQUETING : en es
  • US2317585A - Polymerized cardanol : en
  • US2317688A - Incendiary protective shovel : en
  • USD135601S - Maternity and abdominal supporting garter belt : en
  • CA412047A - Wire terminal : en fr
  • US2317646A - Freezing tray : en
  • PL31658B1 - : en pl
  • PL31616B1 - : en pl
  • AU116858B2 - Blasting spacer plugs : en
  • US2317586A - Rubberlike products from derivatives of cashew nut shell liquid and method for producing the same : en
  • CA412166A - Document file : en fr
  • CA412169A - Anhydrous magnesium chloride : en fr
  • US2317434A - Electric lighting fixture : en
  • DE734851C - Cutting fluid for the metal-cutting deformation of aluminum and its alloys : de en
  • ES159998A1 - SWITCH FOR REMOTE ELECTRICAL HANDLING OF MECHANICAL WEAPONS, ESPECIALLY FOR AIRCRAFT : en es
  • ES160204A1 - A PROCEDURE FOR THE DESING OF MINING WELLS, GALLERIES OR TUNNELS, WITHOUT PREVIOUS DRAINAGE OR SURVEYS : en es
  • GB552813A - Improvements in and relating to variable-speed gearing : en
  • US2317379A - Catalytic cracking : en
  • US2317584A - Pig casting apparatus : en
  • US2317855A - Refractory body : en
  • CA412086A - Seat cushion structure : en fr
  • CH226683A - Process for manufacturing alumina from raw lime aluminates. : en fr
  • PL31628B1 - : en pl
  • PL31674B1 - : en pl
  • US2317467A - Self-venting vacuum trap : en
  • DE734828C - Process for the production of synthetic resin-bonded grinding tools : de en
  • AU511942A - Improvements relating to adsorption filters : en
  • US2317613A - Crate for refrigerator cabinets and the like : en
  • US2317807A - Telemetric system : en
  • US2317837A - Method and means for treating ferrous objects : en
  • US2317589A - Automatic liquid lifter : en
  • CA412176A - Motor vehicle control system : en fr
  • CA412163A - Pyrophoric lighter : en fr
  • US2317449A - Reactor : en
  • BE449495A - : en
  • CH226782A - Elastic bandage intended for application to the body. : en fr
  • DE734884C - Turbine blade with several holding teeth lying one behind the other at the foot : de en
  • ES159838A1 - MANUFACTURING PROCEDURE OF CARBON TETRACLORIDE, RECTIFYING IT BY HYDROLYSIS OF SULFURS, ALKALINE, ALKALINE OR MAGNESIUM OXIDES OR HYDROXIDE, ESPECIALLY FROM BARIUM SULFIDE, WITH SULFUR PROTOCLORIDE : en es
  • CA412015A - Valve seat fitting : en fr
  • CH226754A - Machine unit enclosed in a capsule, consisting of a motor and a Roots compressor, especially for refrigeration systems. : de en
  • CA412154A - Draft regulating mechanism : en fr
  • ES159025A1 - A PROCEDURE FOR MANUFACTURING FLOORS OF ALPARAGATAS, USING VEGETABLES : en es
  • ES160193A1 - PROCEDURE FOR THE MANUFACTURE OF A SUBSTITUTE MATERIAL OF CARVED WOOD : en es
  • PL31615B1 - Fides Gesellschaft fiir die Verwaltung und Verwertung von gewerblichen Schutzrechten mit beschrankter Haftung, Berlin Rectifier modulator of an alternating current telegraph device and modulation method with this modulator : en pl
  • PL31673B1 - : en pl
  • US2317568A - Sawing machine : en
  • US2317789A - Facsimile reception medium : en
  • US2317483A - Method of welding, soldering, and fusing metals together : en
  • CA412063A - Photographic film : en fr
  • ES159405A1 - SOME IMPROVEMENTS IN FACILITIES FOR FILLING BOTTLES AND CONTAINERS WITH LIQUIDS IN GENERAL, AND PARTICULARLY INDICATED FOR THOSE USED IN PERFUMERY : en es
  • US2317446A - Veneer gluing machine : en
  • US2317559A - Method of detecting foreign ingredients in closed containers : en
  • US2317802A - Locomotive for high-voltage direct current : en
  • US2317784A - Timber cart : en
  • US2317420A - Container : en
  • US2317875A - Stereoscopic photography : en
  • BE449930A - : en
  • AU116850B2 - An improved automatic feeding appliance for poultry, pigeons andother birds : en
  • CH226756A - Liquid with a deep freezing point. : de en
  • AU116868B2 - Improvements in vessels adapted to withstand internal fluid pressure andin the manufacture of such vessels : en
  • AU327241A - An improved automatic feeding appliance for poultry, pigeons andother birds : en
  • US2317480A - Pasteurizer temperature control : en
  • CA412122A - Typewriter : en fr
  • CA412123A - Soap manufacture : en fr
  • DE734487C - Process for the preparation of azines of the anthraquinone series : de en
  • PL31668B1 - : en pl
  • DE734883C - Process for the extraction of phenols from waste water : de en
  • FR881530A - Induction furnace for melting magnesium and its alloys : en fr
  • CA412139A - Knob connection : en fr
  • CH226713A - Electrostatic light modulator for sound registration on cinema films. : de en
  • US2317576A - Label dispenser : en
  • US2317731A - Knife unit : en
  • US2317654A - Gearshift mechanism : en
  • USD135590S - Design fob a thermometer : en
  • CH226803A - Wireless communication technology device. : de en
  • GB552859A - Speed change gear : en
  • PL31672B1 - : en pl
  • US2317643A - Hopper agitating means : en
  • US2317365A - Azo compounds and material colored therewith : en
  • US2317474A - Superregenerative receiver : en
  • DE734737C - Inks and inks : de en
  • ES160014A1 - PROCEDURE FOR THE PRODUCTION OF ADEQUATE CELLULOSE FOR THE MANUFACTURE OF ARTIFICIAL FIBER, DEPARTING FROM WOOD OF CONIFERS : en es
  • DE734870C - System for the hydraulic drive of work cells, in particular of adjustable struts for retractable aircraft landing gears : de en
  • US2317387A - Dispersible disazo dye : en
  • US2317391A - Car truck : en
  • US2317863A - Electric lamp holder and the like : en
  • USD135554S - Design foe a circulating heater : en
  • GB552842A - Improvements in or relating to machines for packaging a commodity : en
  • DE734817C - Insulating filling compound for electrical machines and apparatus made of organic material and an inorganic filler : de en
  • US2317371A - Coating and decorating composition : en
  • FR881560A - Rotating tube furnace for baking raw cement and process for operating this furnace : en fr
  • GB552897A - Improvements in or relating to gas turbine plants : en
  • US2317473A - Master cylinder for hydraulic braking systems : en
  • FR881626A - Liquid regulator, especially for combustion engines : en fr
  • PL31631B1 - Testing device for machines for packing cigarettes or the like : en pl
  • US2317596A - Method of making roofing : en
  • US2317843A - Floor-treating machine : en
  • US2317839A - Operation check for automatic molding presses : en
  • US2317725A - Coating agent : en
  • ES159840A1 - A PROCEDURE FOR THE INDUSTRIAL PREPARATION AND OBTAINING OF IMPLABLE POWDER : en es
  • US2317876A - Manufacture of mirrors : en
  • ES160123A1 - JOINT TERMINAL FOR ELECTRICAL LINES : en es
  • US2317376A - Flow control device : en
  • ES152048A3 - PROCEDURE FOR THE MANUFACTURE OF BEARINGS AND SUPPORTS, ESPECIALLY FOR INTERNAL COMBUSTION ENGINES : en es
  • GB552879A - Improvements in or relating to parasiticides : en
  • US2317665A - Mounting for electrical apparatus : en
  • ES160076A1 - A SHARPENING APPARATUS FOR BLADES AND SHEARS : en es
  • PL31642B1 - Variable gear shifting method and gear, thus shifted : en pl
  • ES159774A1 - A PROCEDURE FOR THE MANUFACTURE OF COVERS OR TIRES OF ALL TYPES OF VEHICLES, PARTICULARLY OF THE BICYCLES : en es
  • PL31626B1 - : en pl
  • US2317548A - Detergent dispenser : en
  • US2317909A - Cage for grinding machines and the like : en
  • PL31612B3 - : en pl
  • ES159949A1 - ELECTRICAL SWITCH POWERED BY AN ELECTROIMAN, PALNACA DE HANDO OR SIMILAR : en es
  • ES160191A1 - PROCEDURE FOR THE OBTAINING OF CARBON TETRACLORIDE OR PERCHLOROETHYLENE : en es
  • DE734891C - Coupling, especially for aircraft propellers : de en
  • AU225641A - Improvements in or relating to butter churns and workers : en
  • ES159863A1 - MOBILE ITINERARY INDICATOR DEVICE FOR ALL KINDS OF VEHICLES ON LANES : en es
  • US2317657A - Conduit valve : en
  • FR881482A - Process for preparing nitriles : en fr
  • US2317374A - Apparatus for packing candy articles or the like : en
  • US2317546A - Blowoff cock : en
  • CH226698A - Method and device for spraying thermoplastic materials. : de en
  • ES159865A1 - A WRITING MACHINE : en es
  • GB552850A - Improvements in or relating to reciprocating engines : en
  • GB552843A - Improvements in or relating to the manufacture of 25 to 30% liquor ammonia : en
  • GB552857A - An improved method of and apparatus for bending metal tubes : en
  • CA412132A - Fruit composition and preservation : en fr
  • USD135563S - Design for suspenders : en
  • US2317356A - Bellows type slugging foot valve for wells : en
  • US2317856A - Plotting board : en
  • US2317454A - Reinforcing bar for concrete structures : en
  • US2317672A - Automobile door handle assembly : en
  • US2317771A - Spool thread assembly : en
  • USD135556S - Magazine rack : en
  • BE449936A - : en fr
  • CH226674A - Electromotive carriage drive for flat knitting machines. : de en
  • DE734450C - Process for the production of azo dyes : de en
  • DE734821C - Device for predetermining the watt consumption of an electrical system with a maximum tariff that will likely occur at the end of a measurement period : de en
  • DE734622C - Machine for removing and conveying a sheet of paper, a card or the like from the bottom of a stack : de en
  • CA412073A - Fluid pressure brake : en fr
  • GB552853A - Improvements relating to pocket igniters : en
  • US2317935A - Motor vehicle control mechanism : en
  • US2317962A - Welding machine electrode : en
  • ES159816A1 - IMPROVEMENTS IN THE MANUFACTURE OF PLATES AND CONSTRUCTION PARTS ADAPTABLE IN WALLS AND CEILINGS : en es
  • FR881567A - Amplifier unit comprising, at least, an electronic discharge tube cooled by water circulation and a final tuning capacitor, for radio transmitters : en fr
  • FR881598A - Device for recovering carbon disulphide in viscose fibers which have just been spun and cut in bulk : en fr
  • FR881607A - Support for tachometers : en fr
  • GB552934A - Improvements in and relating to chessmen or pieces for playing the game of chess : en
  • CA411994A - Paper cutting and sorting machine : en fr
  • ES160125A1 - A CORRIDOR NUCLEUS COIL : en es
  • US2317619A - Head lamp : en
  • US2317517A - Refrigeration : en
  • CA412053A - Paper towelling : en fr
  • CH226815A - Process for the production of a condensation product. : de en
  • US2317492A - Manufacture of artificial textile yarns or films : en
  • ES160181A1 - A PROVISION FOR MOTOR PROPULSION OF VEHICLES WITH A UNIQUE MOTORWAY : en es
  • US2317353A - Purification or concentration of tocopherol : en
  • US2317659A - Venetian blind : en
  • CH226725A - Method and device for arc welding. : de en
  • FR881561A - Timer switch comprising an electro-magnetic coil with armature for closing the current and electric motor for switching it off, in particular for the lighting of building stairs : en fr
  • ES160188A1 - A PROCEDURE FOR THE MANUFACTURE OF CAN LEAF BY ELECTROLYSIS : en es
  • FR881600A - Shut-off valve for pipes intended to convey gases or liquids : en fr
  • FR881552A - Molded glass foot intended for an electron tube and adapting to a corresponding socket : en fr
  • FR881580A - Valve with device for shutting off the water column while changing the packing : en fr
  • ES160034A1 - A PROCEDURE TO PREPARE POMADAS AND BASES OF POMADAS : en es
  • AU512442A - Improvements in vessels adapted to withstand internal fluid pressure andin the manufacture of such vessels : en
  • AU116829B2 - Improvements relating to producer gas plants : en
  • ES159946A1 - PROCEDURE FOR THE ELABORATION OF A LAYER ON CELLULOSTIC GLASS SHEETS WATER-RESISTANT AND COOKING AND IMPENETRABLE AGAINST WATER VAPORS : en es
  • US2317581A - Glazed metal sash construction : en
  • CH226765A - Heavy duty switch. : de en
  • CH226749A - Cleaners for spark plugs. : de en
  • CH226719A - Calendar clock. : de en
  • DE734819C - Single or multi-pole disconnecting fuse switch : de en
  • DE734876C - Fastening a cover for vehicles, in particular motor vehicles : de en
  • ES156172A1 - IMPROVEMENTS INTRODUCED IN THE WATERS DEPOSITS MECHANISMS : en es
  • ES160157A2 - IMPROVEMENTS OR IMPROVEMENTS MADE IN THE PURPOSE OF THE MAIN PATENT NUMBER 154,588 : en es
  • US2317902A - Bearing for miniature electric motors : en
  • FR881519A - Wheel suitable for road and rail : en fr
  • ES7013Y - Purse-wallet with metal spout. : en es
  • FR881625A - Process for the preparation of sulfonic acids : en fr
  • AU511542A - Improvements in or relating to fastening devices orthe like : en
  • CA412032A - Fire extinguisher : en fr
  • ES160165A1 - STEEL IMPROVEMENTS FOR TOOLS EXPOSED TO THE ACTION OF HOT WORK PIECES : en es
  • US2317399A - Railway truck : en
  • US2317828A - Thermostatic switch : en
  • US2317440A - Press : en
  • US2317597A - Die construction : en
  • DE734831C - Device for emptying and spraying bottles before putting them in the washing machine : de en
  • FR881631A - Pulp dispenser for paper machines : en fr
  • CA412156A - Methyl vinyl ketone preparation : en fr
  • AU512642A - Improvements in firehose : en
  • DE734415C - Process for the production of water-insoluble azo dyes on cellulose fibers : de en
  • DE734812C - Loading device for skid containers : de en
  • GB552945A - Overload protection on x-ray control apparatus : en
  • CA411997A - Condenser tube protector : en fr
  • CA412043A - Tube and sheet connection : en fr
  • CH226857A - Central seconds watch movement. : en fr
  • GB552825A - A coupling device for repairing broken overhead cables such as electrical transmission lines : en
  • GB552880A - Improvements in the catalytic cracking of hydrocarbon oils : en
  • ES160070A1 - VARIOMETER ROZANTE WITH GREAT ACCURACY OF ADJUSTMENT, BEING THE EXTREMELY SMALL VARIATION : en es
  • ES160227A1 - IMPROVEMENTS IN THE WINDINGS, AND ESPECIALLY IN THE USES IN THE ARTIFICIAL FIBERS : en es
  • GB552916A - An improvement in or relating to means for connecting agricultural implements to tractors : en
  • CH226777A - Electric lantern light for streets, which can be used as a pendant light or post-top light. : de en
  • BE449503A - Process for the continuous precipitation and treatment of aqueous emulsions of highly polymerized substances : en fr
  • FR881597A - Drawer layout : en fr
  • CH226767A - Corpuscular beam microscope equipped with at least two magnifying lenses. : de en
  • GB552889A - Improvements in and relating to the evaporation of liquids : en
  • US2317460A - Electron ray indicating device : en
  • DE734806C - Device for pressing threads on sleeves and similar workpieces made of cardboard or the like. : de en
  • DE734833C - Device for stealing pit stamps : de en
  • DK60857C - Oil cooling device for internal combustion engines. : da en
  • CA412115A - Chair : en fr
  • ES159788A1 - A DEVICE FOR THE COMMAND BY MEANS OF TRAINS OF IMPULSES OF THE MOVEMENT OF BODIES IN THE SPACE : en es
  • ES159918A1 - AN APPARATUS OR BOARD, WITH APPROPRIATE DEVICES, TO FOLLOW THE RULES OF A SALON OR DESKTOP GAME : en es
  • FR881480A - Wheel tire for cycles : en fr
  • ES160002A1 - DEVICE FOR POWERING AN EXPLOSION ENGINE : en es
  • ES159999A1 - TOOL TO RECTIFY BLADE : en es
  • CH226809A - Check valve for bicycle tubes. : de en
  • DE734886C - Method for operating symmetrical copper oxide rectifier modulators in carrier current systems, especially in multiple telephone systems : de en
  • DE734810C - Elastic wheel tires : de en
  • DK60856C - Threshing plant with straw bales. : da en
  • US2317601A - Fluid pressure braking system : en
  • FR881466A - Automatic regulator for filters and filter basins : en fr
  • FR881571A - Assembly device for flat parts as a whole, for example for sheet metal : en fr
  • US2317880A - Rubber footwear : en
  • ES159798A1 - PROCEDURE FOR WELDING LIGHT METALS AND ALLOYS OF THEM, ESPECIALLY MAGNESIUM ALLOYS CONTAINING ZINC AND ALUMINUM : en es
  • ES159958A1 - A PERFECTION IN TELESCOPING, ESPECIALLY IN THE TILES FOR SILK, RAYON AND SIMILAR TISSUES : en es
  • DE734705C - Arrangement of the earth wire for three-phase current lines to reduce the risk of lightning : de en
  • FR881548A - Elastic coupling : en fr
  • BE449636A - A method of forming a well, with an interval between rock and the coating continuously filled, and a well thus formed : en fr
  • DE734834C - Daempf iron : de en
  • ES160110A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 156,748 : en es
  • GB552941A - Improvements in and relating to friction igniters for cigarettes and the like : en
  • DK60868C - Auxiliary loading machine. : da en
  • ES159820A1 - PROCEDURE FOR THE MANUFACTURE OF CALCIUMANAMIDE IN A STABLE GRANULAR FORM : en es
  • ES159972A2 - PROCEDURE FOR THE MANUFACTURE OF RETURN GASES WITHOUT LIZOS, COMBS OR SPECIAL NEEDLES : en es
  • ES159791A1 - PROCEDURE TO IMPROVE THE SOLUBILITY IN WATER OF STERES OF THE ACID P- OR M-OXIBENZOICO : en es
  • US2317461A - Wrench : en
  • ES159825A1 - PROCEDURE AND DEVICE FOR TRIMMING TAPES WITHOUT END OF ARTIFICIAL THREADS : en es
  • AU526142A - Improvements in or relating to calcium sulphate pigments : en
  • CH226705A - Device for connecting two skis together. : de en
  • US2317580A - Composite piston ring : en
  • PL31671B1 - : en pl
  • ES159850A1 - FRAGMENTATION ESPOLET WITH WORK ELEMENT MOVED BY CENTRIFUGAL FORCE : en es
  • ES159913A1 - IMPROVEMENTS IN ELECTRIC MOTORS : en es
  • ES160176A1 - IMPROVEMENTS INTRODUCED IN THE CLOSURE DEVICES OF THE HATCHES AND SIMILAR COVERS : en es
  • CH226799A - Circuit arrangement with selection in telephone systems. : de en
  • ES159917A1 - AN APPARATUS, BOARD OR GUIDES, WITH APPROPRIATE ELECTRICAL DEVICES, FOR A SALON GAME : en es
  • GB552952A - Improvements in or relating to friction clutches : en
  • CH226806A - Vehicle for the construction and demolition of electrical lines. : de en
  • ES159892A1 - PROCEDURE FOR THE CONCENTRATION OF PHOSPHATE MINERALS : en es
  • ES160019A2 - A LARGE-CAPACITY CARGO CAR EMPTYING IN THE BOTTOM : en es
  • AU471942A - Improvements inthe construction and mounting ofthe rear furrow wheels of plows : en
  • US2317357A - Dye intermediate : en
  • PL31619B1 - : en pl
  • US2317792A - Process for treating tobacco : en
  • US2317607A - Compositions of matter and methods and steps of making and using the same : en
  • CA412098A - Pneumatic hammering tool : en fr
  • DK60862C - Photographic Material for Color Photography. : da en
  • ES159985A1 - PROCEDURE FOR THE USE OF VEGETABLE MATERIAL MORE OR LESS STRONGLY MEANING : en es
  • GB552848A - Improvements in or relating to diamond abrasive articles : en
  • ES160169A1 - GASKET DEVICE FOR PROJECTILES WITH WIDTH RING PROPOSED AT THE BACK EXTREME, TO TIGHTEN IN THE STRIPS : en es
  • PL31645B1 - Metallwerk Alfred Schwarz, Aktiengesellschaft, Frondenberg Multistage gearbox for light generators, attached to the axle of the wheel, especially for bicycles : en pl
  • PL31653B1 - : en pl
  • US2317488A - Electric power cable : en
  • US2317458A - Wind sounding device : en
  • US2317622A - Drag device for antennas : en
  • US2317702A - Pipe holding vise : en
  • DE734857C - Eddy current tachometer : de en
  • GB552882A - Improvements in or relating to the colouring of petroleum products : en
  • USRE22306E - Wide band amplifier : en
  • CA412055A - Textile material dyeing and finishing process : en fr
  • CH226792A - Disinfectant in an easy to dose form. : de en
  • ES159995A1 - A SYSTEM OF ACCELERATION AND VENTILATION OF FILM ARCHIVES OR SIMILAR FACILITIES : en es
  • FR881463A - Improvements to statistical machines using punched cards : en fr
  • US2317889A - Die set parts assembly : en
  • US2317749A - Fuel injection nozzle : en
  • US2317610A - Airplane wheel construction : en
  • US2317753A - Brake control means : en
  • PL31637B1 - : en pl
  • CA412010A - Label guiding and holding device : en fr
  • CH226783A - Dry pack for therapeutic purposes. : de en
  • US2317691A - Photographic enlarger : en
  • CH226684A - Process for the preparation of a new saccharide derivative. : de en
  • US2317693A - Waste vault : en
  • CH226670A - Process and device for the production of rayon by the draw spinning process. : de en
  • CA412001A - Flexible shaft : en fr
  • CA412046A - Container cap feeding apparatus : en fr
  • US2317751A - Lubricating oil : en
  • PL31661B1 - : en pl
  • CH226775A - Contact converter with lifting contacts controlled synchronously with the current phase compared to fixed contacts. : de en
  • ES159804A1 - AN OUTDOOR AUTOMOTIVE TRACK SYSTEM FOR HIGH SPEED MINIATURE CARS : en es
  • DE734866C - Sealing valve for two compressed gas lines, especially for high altitude breathing apparatus : de en
  • FR881474A - New synthetic resins for use as paint binders and machine lubricants : en fr
  • ES159377A1 - SYSTEM FOR AEROGENIC PROFILAXIS : en es
  • US2317695A - Electric switch : en
  • US2317562A - Railway signaling apparatus : en
  • CA412141A - Bolt lock applying tool : en fr
  • ES153191A1 - A PROCEDURE TO OBTAIN GROSS STEEL OF "LUPPEN" BY DIRECT PROCEDURE, WITHOUT ARRIVING TO FUND IT : en es
  • USD135559S - Cloth covered concave eyelet button : en
  • ES159277A1 - PROCEDURE FOR MANUFACTURE OF ADORNMENT OBJECTS VALIDING OF PIÑAS : en es
  • GB552873A - Improvements in or relating to a prestressing reinforcing device for concrete : en
  • ES159795A2 - PROCEDURE FOR THE MANUFACTURE OF HOLLOW BODIES, ESPECIALLY FOR E, BAGS : en es
  • US2317705A - Game apparatus : en
  • US2317905A - Water cycle : en
  • CH226676A - Elastic traction organ. : de en
  • US2317465A - Camera : en
  • US2317884A - Box made of transparent material : en
  • ES160098A1 - PROCEDURE FOR ANODIC OXIDATION OF ALUMINUM : en es
  • CA412140A - Fastening device : en fr
  • CH226798A - Circuit arrangement for the transmission of inductively generated direct current surges via sealed connecting lines in telephone systems. : de en
  • US2317561A - Clip fastener : en
  • US2317578A - Power pickup and dumping attachment for tractors : en
  • AU326841A - Improved means for imparting auxiliary intermittent reciprocation : en
  • US2317919A - Can making machine : en
  • US2317554A - Bottle package : en
  • US2317624A - Device for making frozen confections : en
  • CA412094A - Glassware forming apparatus : en fr
  • CH226704A - Ski. : de en
  • US2317551A - Etching : en
  • CH226772A - Switching arrangement for contact converters which are operated in connection with an alternating current system of variable voltage and frequency. : de en
  • BE449942A - : en
  • CA412054A - Metal panel : en fr
  • CH226811A - Pivot for articulated locomotives and similar vehicles. : en fr
  • CA412022A - Chromium recovery : en fr
  • US2317701A - Measuring instrument : en
  • US2317728A - Sizing synthetic linear polyamide textiles : en
  • CA412018A - Surgical plaster bandage preparation : en fr
  • DK60853C - Checkout machine with Coupon and Note Printing. : da en
  • FR881527A - Anthraquinone dyes and their preparation process : en fr
  • GB552855A - Improvements in or relating to jogging machines for arranging sheets in piles : en
  • US2317804A - N-vinyl lactams : en
  • CH226746A - Steam-gas thermal power plant. : de en
  • CA412102A - Sleeve valve driving mechanism : en fr
  • CH226736A - Safety razor. : en fr
  • ES159963A1 - A MECHANISM TO PRACTICE CONCAVIDADES OR DRILLS IN GLASS, CRYSTAL AND IN OTHER SUBJECTS : en es
  • US2317835A - Reel for fishing lines : en
  • US2317860A - Display tablet container : en
  • ES160131A1 - PERFECTED APPARATUS FOR MOLER WHEAT AND OTHER CEREALS : en es
  • US2317767A - Cellulose fatty acid esters : en
  • USD135571S - Design for a lamp lens : en
  • PL31670B1 - : en pl
  • US2317773A - Container sealing : en
  • USD135579S - Head washing basin or similar article : en
  • CH226661A - Device for charging annealing and kilns. : de en
  • US2317652A - Electric eye curb indicator : en
  • AU417742A - Method and system for developing television signals : en
  • AU116844B2 - Improvement in firehose : en
  • US2317765A - Fungicidal composition : en
  • US2317883A - Portable hair treating device : en
  • USD135575S - Toy figure : en
  • DE734803C - Friction gear : de en
  • CA412135A - Telegraphic transmission by space discharge control : en fr
  • US2317686A - Window structure : en
  • DE734745C - Use of nickel-chromium-iron alloys for objects with the highest heat resistance : de en
  • CA412011A - Fuel injection systems for use in multi-cylinder compression-ignition engines : en fr
  • CH226744A - Gear pump. : en fr
  • CH226813A - Knife body for meat cutter. : de en
  • ES159902A1 - AUTOMATIC CURRENT SWITCH FOR SPARKLING APPLIANCES : en es
  • DE734841C - High voltage electrical switch : de en
  • BE449460A - Manufacturing process of isothiourea ethers : en fr
  • AU362541A - An improved tool holder for lathes and like machine tools : en
  • CA412027A - Captive toy airplane : en fr
  • ES159559A1 - IGNITION MAGNET FOR INTERNAL COMBUSTION ENGINES : en es
  • US2317656A - Automobile vanity mirror : en
  • CH226709A - Bridging device on scales, especially on track scales with a track break. : de en
  • PL31669B1 - G. Staehle, Komm.-Ges., Stuttgart-Bad Cannstatt Polishing machine with removable drive motor : en pl
  • US2317879A - Rubber footwear : en
  • CH226801A - Test transmitter for testing shortwave receivers. : de en
  • DE734867C - Seamless gas mask made of rubber : de en
  • CA412095A - Water repellent textile and chemical : en fr
  • US2317340A - Helicopter : en
  • US2317407A - Fuel cock : en
  • CH226730A - Device on frame saws for fastening the saw blade provided with bracing to the tang. : de en
  • AU116845B2 - Improvements inthe manufacture of fixatives for perfumery : en
  • FR881613A - Electric current switch : en fr
  • GB552904A - Improved process and apparatus for producing high vacua : en
  • FR881541A - Aircraft transverse control : en fr
  • US2317932A - Replacement point for rebuilding dragline bucket teeth : en
  • GB552924A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type : en
  • CH226724A - Device for soldering elongated metal objects. : de en
  • PL31607B1 - : en pl
  • US2317487A - Impregnation of fibrous materials : en
  • US2317644A - Shuttle car : en
  • CH226752A - Installation for supplying an electric motor for driving a speed regulator. : en fr
  • CH226817A - Process for producing a water-soluble compound. : de en
  • ES159871A1 - PROCEDURE FOR OBTAINING DIOXANE DERIVATIVES : en es
  • AU585342A - Improvements in electromagnetically operated devices : en
  • US2317448A - Apparatus for treatment of artificial materials : en
  • US2317520A - Refrigeration : en
  • US2317639A - Fluid control valve : en
  • CH226774A - Contact device with lifting contacts controlled synchronously with the current phase. : de en
  • CA412126A - Chlorine manufacture : en fr
  • US2317967A - Electric heater control : en
  • CH226663A - Process for the production of irregularly crimped fibers from glass and device for carrying out the process. : de en
  • AU512742A - Improvements in firehose : en
  • FR881529A - Dryer conditioner of wet fuels for supplying gasifiers : en fr
  • GB552938A - Improvements in or relating to nozzles : en
  • CH226833A - Process for the preparation of a new pyridinium chloride. : de en
  • CH226695A - Process for the preparation of an oxethylation product. : de en
  • CH226830A - Process for the preparation of a 5-pyrazolone-4-sulfonic acid. : de en
  • DK60842C - Ink ribbons or other means of transfer for slicing machines and Procedure for its manufacture. : da en
  • CH226758A - Automatic speed controller for electric motors. : de en
  • AU508742A - Improvements in or relating to coated products and coating processes : en
  • PL31638B1 - : en pl
  • US2317660A - Venetian blind : en
  • US2317741A - Spray composition : en
  • CH226852A - Highly explosive with low impact sensitivity. : de en
  • CH226851A - Process for the production of an acidic wool dye. : de en
  • US2317426A - Radiant heat drying construction : en
  • AU116825B2 - Improvements inthe construction and mounting ofthe rear furrow wheels of plows : en
  • CH226768A - Contact arrangement with spring contacts, especially for telegraph relays. : de en
  • ES160155A1 - DEVICE FOR FIXING THE LIMITING BODY OF AN AUTOMATIC VALVE IN THE WALL OF THE STEP CHANNEL CONTAINING SUCH VALVE : en es
  • GB552837A - Improvements in and relating to the heating elements of electrical soldering irons : en
  • US2317510A - Process for the joining of metals : en
  • US2317760A - Printing scale : en
  • CA412087A - Calcium and magnesium production : en fr
  • CA412113A - Felted fibrous sheet producing apparatus : en fr
  • DE734816C - Quadrupole constant wave resistance : de en
  • GB552922A - Improvements in and relating to dye bases : en
  • ES159778A1 - SOME PERFECTIONS IN THE MANUFACTURE OF CONSTRUCTION MATERIALS THAT ESPECIALLY ARE DEDICATED TO DECORATION : en es
  • CA412088A - Magnesium processing : en fr
  • CH226750A - Cooling system on motor vehicles for cooling the transmission. : de en
  • CA412009A - Galvanic cell and electrode : en fr
  • CA411993A - Printing element : en fr
  • CA412080A - Gas pumping apparatus : en fr
  • US2317888A - Operating circuit for electrical devices : en
  • US2317494A - Reactivation of spent catalysts : en
  • US2317939A - Inflated ball and method of making same : en
  • CH226812A - Electric train signaling system for vehicle trains. : de en
  • ES159897A1 - A NEW PROCEDURE TO PREPARE DRY PLUMS : en es
  • US2317766A - Refining petroleum oils : en
  • FR881563A - Device for immobilizing a movable member in predetermined and adjustable positions : en fr
  • ES158752A1 - IMPROVEMENTS IN THE MANUFACTURE OF HORSESHOES FOR CAVALIERS : en es
  • US2317703A - Polishing or buffing wheel and disks therefor : en
  • ES159172A1 - MACHINE FOR WEAVING PALM FIBERS AND SIMILAR : en es
  • DE734643C - Multi-layer insulation consisting of a number of foils made of castable plastics, e.g. Cellulose esters : de en
  • ES159772A1 - IMPROVEMENTS IN THE MANUFACTURE OF EBULLIOMETERS OR DEVICES TO DETERMINE THE ALCOHOLIC DEGREE OF LIQUIDS : en es
  • GB552896A - Improvements in process for obtaining clear extracts from semi-liquid mixtures : en
  • FR881465A - Lubricating composition : en fr
  • ES159891A1 - A MACHINE TO MANUFACTURE PLATES FOR ROOFING : en es
  • ES160162A1 - A PROCEDURE TO MAKE FUNCTION AN INSTALLATION INTENDED TO PRECIPITATE METALS FROM ITS SALT SOLUTIONS : en es
  • US2317631A - Composition for preserving cut : en
  • US2317428A - Wall tile clip : en
  • US2317711A - Accumulator : en
  • US2317869A - Combination hydraulic and rubber die : en
  • CA412155A - Fibrous material dusting apparatus : en fr
  • ES159979A3 - FORCE TRANSMITTER EQUIPMENT, WITH HYDRAULIC TRANSMITTER MECHANISMS, ESPECIALLY FOR AUTOMOBILE VEHICLES : en es
  • US2317528A - Clutch mechanism for centrifugal machines and the like : en
  • CA412160A - Cement and concrete form liner : en fr
  • US2317723A - Air blower : en
  • US2317796A - Blast tank for liquid pumps : en
  • US2317916A - Rake : en
  • BE449880A - Process and positive for obtaining linseed free of the weeds : en fr
  • DE734859C - Process for producing layers on iron and iron alloys : de en
  • US2317384A - Strip feeding and severing device : en
  • DE734849C - Process for the production of green dyes of the dibenzanthrone series : de en
  • DK60845C - Device for automatic control systems for railway railway heating systems. : da en
  • US2317470A - Food canning : en
  • US2317706A - Steam iron : en
  • US2317429A - Connecting rod connection with piston and crankshaft : en
  • US2317806A - Cleaning machine : en
  • ES159959A1 - A PERFECTION IN THE MECHANISM OF DRAWERS OF THE TELARES, ESPECIALLY OF THE TILES FOR SILK, RAYÓN AND SIMILAR TISSUES : en es
  • FR881505A - Binders for making foundry molds and cores : en fr
  • GB552936A - Improvements in welding machines : en
  • DK60846C - Method of Manufacturing Electrodes for Electric Cathode Flashing Lamps or Cathode Flash Tubes. : da en
  • ES159776A1 - MECHANISM STRETCHER FOR TEXTILE FIBERS : en es
  • US2317733A - Dyestuffs becoming green when chromed and their manufacture : en
  • ES160000A3 - A DEVICE TO COLLECT DRAINED POINTS FROM THE STOCKINGS : en es
  • DE734896C - Process for the recrystallization of diazotriazole carboxylic acid : de en
  • DE734899C - Valve interposed between the quick-closing agent and the hydraulically controlled quick-closing valve for steam turbines : de en
  • DK60863C - Wagon bar device for flat wagons, in particular hand-drawn wagons, with swivel shaft steering : da en
  • GB552524A - Improvement in coating compositions containing shellac : en
  • CH226667A - Curtain rod. : de en
  • FR881532A - Method and apparatus for conveying granular or powdery materials : en fr
  • DK60855C - Ajlebeholder. : da en
  • PL31608B3 - : en pl
  • US2317777A - Apparatus for the separation of ice and concentrate : en
  • USD135595S - Design for a ceramic brooch pin : en
  • DE734414C - Process for the preparation of o-oxyazo dyes : de en
  • ES158996A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF SHOES : en es
  • US2317892A - Hinge structure : en
  • CA412165A - Metallic chain or cable : en fr
  • ES160151A1 - A METHOD FOR THE BENEFIT OF COPPER AND ITS POOR OXIDES MINERALS : en es
  • ES160063A1 - A DISTRIBUTION SYSTEM FOR PNEUMATIC TOOLS : en es
  • ES159992A1 - A PROCEDURE TO MAKE BOOKS WITHOUT THREAD SEWING : en es
  • ES160033A1 - A TOOL WITH HARD METAL EDGE, ESPECIALLY TO LIFT CHIPS IN METAL WORK : en es
  • FR881570A - Device for pressing shaped sheet metal parts : en fr
  • US2317868A - Polymerization of isobutylene containing material at low temperatures : en
  • ES160062A1 - AN ELECTRICAL CONTACT DEVICE : en es
  • US2317895A - Means for and method of manufacturing mineral wool products by the "dry" process : en
  • ES158754A1 - A PROCEDURE FOR THE MANUFACTURE OF STOCKINGS, INTERIOR CLOTHING AND ANALOGUE ITEMS : en es
  • CA411995A - Radio receiving means : en fr
  • CH226687A - Process for the preparation of methyl isocyanate. : de en
  • FR881574A - Vertical drilling machine : en fr
  • ES160042A1 - A REFRIGERATOR APPARATUS : en es
  • GB552892A - Improvements in or connected with block-and-tackle lifting apparatus : en
  • US2317787A - Fastener : en
  • ES160218A3 - IMPROVEMENT IN THE ARCAS TO RECOVER GLASS : en es
  • FR881523A - Process for preparing water-soluble chlorites : en fr
  • FR881647A - Process for accelerating the vulcanization of natural or synthetic rubber : en fr
  • CA412056A - Cellulosic textile material finishing method : en fr
  • US2317832A - Manufacture of reaction products from sulphite cellulose waste liquor : en
  • ES156452A1 - PROCEDURE FOR OBTAINING A HARD METAL AGGLUTINATED ALLOY : en es
  • FR881486A - Method and device for the manufacture of cylindrical and shaped tubes provided with ribs or the like : en fr
  • GB552844A - A means for honing, stropping and polishing the cutting edges of safety razor blades and the like : en
  • FR881535A - Electrical signaling systems : en fr
  • FR881596A - Receiver intended for the reception of frequency modulated oscillations with amplitude limiter : en fr
  • PL31649B1 - A method of producing threads, bristles or artificial tapes : en pl
  • US2317348A - Vacuum holder for sheetlike members : en
  • US2317396A - Process for separating calcium values from magnesium values : en
  • US2317519A - Refrigeration : en
  • US2317825A - Strap for anchoring duplex electric conductors : en
  • US2317682A - Tent : en
  • US2317478A - Lid for multiple boxes and method of applying the same : en
  • US2317721A - Method and apparatus for detecting flaws : en
  • US2317754A - Method of producing secondary electron emitting cathodes : en
  • US2317913A - Apparatus for fitting shoes to feet : en
  • FR881470A - Improvements to devices for protecting water meters against bursting caused by frost : en fr
  • FR881642A - Damping device, by means of a liquid, for measuring instruments, calipers and the like, making it possible to make the damping state of the instrument independent of variations in temperature : en fr
  • US2317590A - Educational and amusement device : en
  • PL31625B1 - : en pl
  • CH226773A - Switching device for contact converters. : de en
  • ES160059A1 - NEW CUBE SYSTEM FOR AERIAL PROPELLERS : en es
  • US2317495A - Desurfacing apparatus and process : en
  • FR881510A - Improvements to gasifiers : en fr
  • US2317647A - Ice creeper : en
  • ES159800A1 - PROCEDIMIENOT FOR THE AUTONOMOUS WELDING OF MAGNESIUM ALLOYS : en es
  • ES159911A1 - PROCEDURE FOR OBTAINING SOLVENTS OF OXIDIZED OR POLYMERIZED OILS : en es
  • US2317472A - Control machine for switch and signal control systems : en
  • GB552835A - Piezoelectric crystal apparatus : en
  • USD135566S - Handle for kitchen utensils or similar articles : en
  • US2317955A - Building construction : en
  • US2317489A - Incendiary bomb trap : en
  • US2317713A - Signal mechanism : en
  • PL31667B1 - : en pl
  • US2317824A - High frequency amplifier circuits : en
  • FR881536A - Insulated fasteners : en fr
  • GB552891A - Improvements in radiogoniometer direction finders : en
  • AU116826B2 - Cavity resonator circuit : en
  • CA412042A - Fluid medium anion removing process : en fr
  • CA412152A - Power transmission : en fr
  • CA412072A - Photographic emulsion : en fr
  • US2317496A - Printing telegraph apparatus : en
  • CA412079A - Casting alloy : en fr
  • CH226831A - Process for the preparation of a 5-pyrazolone-4-sulfonic acid. : de en
  • US2317539A - Curler spindle for hair wavers : en
  • GB552824A - Improvements in and relating to the treatment of waste water from beet-sugar factories : en
  • US2317540A - Slicing machine : en
  • US2317917A - Venetian blind : en
  • FR881618A - Projector : en fr
  • CA412058A - Electric switch : en fr
  • FR881576A - Starting and idling mixing device for engines supplied by gasifier : en fr
  • GB552809A - Improvements in the prevention of oxidation of organic substances : en
  • ES160009A1 - NEW FORGED SYSTEM FOR FLOORS : en es
  • BE449466A - Wetting agent for electrolyte solutions : en fr
  • ES160198A1 - TWIN WHEEL ARRANGEMENT FOR AIRCRAFT BOW WHEELS OR TAIL SKATES : en es
  • ES159942A1 - A ARBON COLLECTOR WITH ANCHORED METAL INSERTS : en es