• US2314977A - Liquid purification : en
  • CH226403A - Element that can be used as a force transmission or conveying element. : de en
  • US2315052A - Carburetor : en
  • US2315154A - Heat deflector for circulating heaters : en
  • CH226216A - Knitwear and method and machine for making these goods. : de en
  • PL31577B1 - : en pl
  • CA411390A - Metal container : en fr
  • CA411416A - Moulding sand treating apparatus : en fr
  • CH226225A - Process for the production of a particulate filter formed from sector-shaped fittings. : de en
  • US2315281A - Ore mill : en
  • DE733797C - Feed device for rod-shaped workpieces on cold sawing machines and other machine tools : de en
  • DE733607C - Overcurrent monitoring device : de en
  • US2315218A - Piston ring : en
  • USD135357S - Design for a traveling case : en
  • CH226203A - Assembly element. : en fr
  • US2315455A - Dust-guard cap for journal boxes : en
  • ES156802A1 - PROCEDURE FOR THE MANUFACTURE OF SPECIAL STEELS AND ANALOGUE ALLOYS : en es
  • FR880653A - Installation of multi-shell marine steam turbines : en fr
  • CH226373A - Pneumatic wheel tire. : de en
  • US2315427A - Basket manufacture : en
  • CA411486A - Press automatic slow-down device : en fr
  • CH226231A - Process for the production of dyeable protective layers on articles made of magnesium and magnesium alloys. : de en
  • DE733744C - Method and device for manufacturing well filters : de en
  • DE733781C - Circuit arrangement for suppressing interference voltages in a method for determining the distance between reflecting surfaces with the aid of electrical waves : de en
  • ES156249A1 - DEVICE FOR REMOVING LIQUIDS FROM BOTTLES OR SIMILAR : en es
  • ES156440A1 - MACHINE TO VULCANIZE TEMPLATES OF ALL KINDS OF SHOES AND SPARE PARTS : en es
  • ES156505A3 - MECHANISM FOR TRANSMISSION OF MOVEMENT TO THE CYLINDERS OF THE REGULARS OF THE LOOMS : en es
  • DE733662C - Ring body for vehicle wheels, detachably arranged between spokes and rims : de en
  • DE733823C - Machine for batch processing of rod-shaped material : de en
  • PL31508B1 - Device for starting electric igniters : en pl
  • US2315122A - Distillation process : en
  • CA411372A - Furnace heating drum : en fr
  • DE733696C - Antenna system with protective spark gap : de en
  • ES155999A3 - IMPROVEMENTS IN AGRICULTURAL TRACTORS : en es
  • ES156007A1 - COUNTERPRESSURE DEVICE FOR HEATING LIQUIDS : en es
  • US2315027A - Hydrocar or vehicle with water wing wheels : en
  • US2315418A - Building block and wall construction : en
  • ES156824A1 - APRA ROSCAR MECHANISM : en es
  • AT160882B - Process for tempering glass : de en
  • DE733725C - Fluid pressure equalization device for several separately driven fluid gears : de en
  • ES155770A1 - FREE ROTATION PLATE ON THE WHEELS, FOR THE CHANGE OF SPEED OF VEHICLES AND MACHINES : en es
  • DE733622C - Suspension of the front fork for bicycles, especially light motor bicycles : de en
  • ES156849A1 - IMPROVEMENTS IN THE CUBAS OR DEPOSITS FOR DESCRUDO, BLANQUEO, TINT OR OTHER OPERATIONS : en es
  • GB552261A - Wrench for lock-nuts : en
  • DE733845C - Box car for stills : de en
  • ES156781A1 - SELF PRESSURE MECHANICAL APPLIANCE TO OPERATE THE SPINDLE PRESSES AUTOMATICALLY WITHOUT NEEDING A BAR OR ANY CABLE : en es
  • FR880638A - Method of initiation of whole-metal diffusion phenomena : en fr
  • CA411389A - Static pressure measuring tube : en fr
  • DE733564C - Radiator arrangement on aircraft : de en
  • ES155964A1 - POSITION INDICATOR APPARATUS : en es
  • US2315101A - Dropout half-tone negative : en
  • US2315321A - Leak sealing composition : en
  • CH226324A - Electric rotary switch. : de en
  • DK60758C - Device with flexible rods suitable for transmitting tensile and compressive forces. : da en
  • FR880550A - Assembly diagram, more particularly intended for magnetic sound recording processes : en fr
  • DE733636C - Arc protection device for the lead-in terminals of explosion-protected flameproof devices : de en
  • DK60739C - Sound reproducing apparatus. : da en
  • FR880710A - Slider closure : en fr
  • ES156745A1 - IMPROVEMENTS INTRODUCED IN THE CONTROL MEANS TO REGULATE ELECTRICAL APPARATUS FOR PARASITE CURRENTS : en es
  • FR880648A - Bicarbonic acids with mono or diammonium salts : en fr
  • CH226305A - Device on internal combustion engines, which have an injection nozzle and at least one combustion chamber insert, for fastening said parts in the machine housing. : de en
  • CH226206A - Automatic capping machine for bottles and other similar containers. : en fr
  • US2315335A - Fastening device : en
  • US2315372A - Process of preparing wood products : en
  • PL31514B1 - Manufacturing of high pressure tanks : en pl
  • USD135389S - Design for a loud-speaking telephone : en
  • US2314908A - Polymerization of unsaturated compounds having the cyclopentadiene nucleus : en
  • DE733541C - Machine for producing nuts by warm means : de en
  • ES156400A1 - NOZZLE DEVICE FOR GASOGENES, AIR-COOLED : en es
  • FR880739A - How to make letter envelopes : en fr
  • GR10067B - METHOD OF INDUSTRIAL PREPARATION OF INTESTINES FOR PRODUCTION OF INTESTINES AND INTESTINES FOR SAUSAGE. : el en
  • US2314870A - Coupler : en
  • US2315128A - Shrinkproof paper and method of manufacture, and laminated product : en
  • PL31526B1 - : en pl
  • DK60752C - Device for reversible internal combustion engines with electric ignition. : da en
  • ES155954A1 - TRANSPORTABLE INSTALLATION FOR THE REPRODUCTION OF SOUND FILMS : en es
  • DE733714C - Protective device for connecting upstream of liquid siphon, e.g. Siphons or pipettes, which suck in with the mouth : de en
  • ES156141A1 - MECHANISM OF GOVERNMENT FOR TRANSPORT TEETH OF SEWING MACHINES : en es
  • ES156188A1 - PROCEDURE FOR OBTAINING A SUBSTITUTE CLEANING PRODUCT FROM SOAP : en es
  • CA411492A - Compressor controlling apparatus : en fr
  • US2315114A - Diesel engine : en
  • US2315322A - Fishing float : en
  • ES156555A1 - DIAPHRAGM FOR THE ELECTROLYSIS OF DISSOLUTIONS CONTAINING SULFATE : en es
  • DE733602C - Pedal control for electrically powered vehicles, especially trolley buses : de en
  • US2315301A - Sheave or pulley, particularly adapted for looms : en
  • US2315412A - Dual flame oil burner and control system therefor : en
  • ES156093A1 - IMPROVEMENTS IN THE MECHANISMS OF THE PUMP PUMPS, FOR WATER WELLS AND MILITARY SERVICES : en es
  • FR880750A - Process for improving the phototropic properties of fulgids : en fr
  • GB552246A - Improvements in vitrified diamond grinding wheels : en
  • DE733716C - Method for determining the content of flammable gases in components, e.g. Benzene, which light up when the gas burns in the flame : de en
  • DE733412C - Clamping device for strip-shaped rolling stock in rolling mills : de en
  • DE733729C - Device to secure landing flaps against overload : de en
  • CA411450A - Portable deck : en fr
  • CA411555A - Safety valve : en fr
  • ES156409A1 - IMPROVEMENTS IN GASOGENOS LSO FOR WOODEN GAS, SPECIAL APRA YOUR ADAPTATION TO AUTOMOTIVE VEHICLES : en es
  • GB552322A - Improvements in or relating to the manufacture of slats for aircraft : en
  • US2315242A - Moving toy and projector therefor : en
  • PL31470B1 - : en pl
  • PL31512B1 - : en pl
  • DE733698C - Electrical conductor : de en
  • ES156179A1 - CONTACT DEVICE SPECIALLY DESIGNED FOR HIGH VOLTAGE CURRENTS : en es
  • ES156276A1 - TERMINAL FOR NAKED ELECTRICAL CONDUCTORS : en es
  • ES156815A3 - DRIVE REVERSE MECHANISM FOR MARINE ENGINES, ESPECIALLY DIESEL ENGINES, INSTALLED ON VESSELS PROVIDED WITH A MECHANICAL TELEGRAPH : en es
  • CH226247A - Skis with protective metal edges. : de en
  • DE733770C - Device for attaching an emergency seal to divided flap or sector weirs : de en
  • DE733739C - Electric shot counter for machine guns : de en
  • DE733806C - Method for flushing the soil from compressed air caisson : de en
  • AT160893B - Protective shield with circular motion : de en
  • CA411429A - Chemical compound : en fr
  • CH226371A - A method of manufacturing a vehicle wheel. : en fr
  • DE733821C - Wire lock for a plurality of screw heads or nuts : de en
  • DE733645C - Made of pressed cork plate for floor coverings : de en
  • ES155795A1 - PROCEDURE FOR THE PRECIPITATION OF CARBON, PREFERABLY ON CERAMIC OBJECTS : en es
  • ES156427A1 - DEVICE APPLICABLE TO EXPLOSION ENGINES, OPERATED BY GAS, FOR THE AUTOMATIC LUBRICATION OF ITS VALVE AND OF THE UPPER PART OF THE CYLINDERS, IN FUNCTION OF THE OWN ASSORATION OF THE ENGINE CYCLE : en es
  • ES156480A1 - PROCEDURE FOR OBTAINING PLASTIC MASSES : en es
  • DE733516C - Switching device for typewriters : de en
  • DE733625C - Ceramic insulating body for high frequency purposes : de en
  • ES155838A1 - IMPROVEMENTS IN THE PROVISION OF THE ACCUMULATORS FOR THE ELECTRIC TRACTION OF VEHICLES AUTOMOVILES : en es
  • ES156032A1 - PIN OF PLUG PROVIDED OF FIXED SUPPORT AND CONTACT ELEMENTS THAT DEVIDE SIDEWAY : en es
  • GB552216A - Improvements in and relating to the production of aromatic hydrocarbons : en
  • ES155961A1 - CATALEJO CONTAINS A GREAT INCREASE AND A VISOR : en es
  • ES156410A1 - COLLECTOR-RECORDING BOX SYSTEM : en es
  • GB552309A - Improvements in and relating to polymethine dyes and to photographic emulsions containing such dyes : en
  • US2315287A - Testing machine : en
  • US2315462A - Combined engine and cooling system therefor : en
  • DE733667C - Means for pressing glued labels onto flat surfaces, such as packs, in labeling machines : de en
  • ES156537A1 - LIGHTWEIGHT AGRICULTURAL MILLER WITHOUT HAND-DRIVEN DRIVE WHEEL : en es
  • ES156414A3 - METRIC TAPE MANUFACTURING PROCEDURE : en es
  • ES156639A1 - IMPROVEMENTS IN GASOGENS : en es
  • DE733682C - Quick clamping head for commercially available taps of various lengths and shank strengths with an axially displaceable clamping sleeve during the rotation of the drilling spindle : de en
  • ES155974A1 - PROVISION FOR THE AUTOMATIC DISCONNECTION OF THE LIGHTERS IN THE WELDING MACHINES ELECTRODES FOR ELECTRIC LAMPS FOR INCANDESCENCE : en es
  • ES155990A1 - PROCEDURE FOR PREPARING SUTURES FOR SURGICAL PURPOSES : en es
  • ES156288A1 - PROCEDURE FOR THE MANUFACTURE OF SPECIAL SEDAS FOR THE SHOES : en es
  • ES156714A3 - BOLT FIXING SYSTEM BY MEANS OF ELASTIC NUTS : en es
  • FR880635A - Process for improving yarns or synthetic fibers to albuminoid substances : en fr
  • FR880701A - Roaster for agglomerated fuels : en fr
  • ES155958A1 - PROCEDURE FOR OBTAINING FURTUROL : en es
  • ES156023A3 - MECHANISM APPLICABLE TO RADIO RECEIVERS TO LOCATE WITH RAPIDITY AND ACCURACY THE TRANSMITTER STATIONS WHOSE AUDITIONS WISH TO RECEIVE MORE FREQUENCY : en es
  • ES156290A3 - CLEANER WITH FILTER REHEATING DEVICE : en es
  • ES156418A1 - APPARATUS TO CATCH POINTS, ESPECIALLY IN THE STOCKINGS : en es
  • ES156302A1 - IMPROVEMENTS IN THE OSCILLATION GENERATING SYSTEMS AND IN THEIR REGULATION PROCEDURES, ESPECIALLY FOR TELEVISION : en es
  • ES156403A1 - FLUID PRESSURE MOTOR WITH ALTERNATIVE MOTION, PARTICULARLY SUITABLE FOR CLEANING WINDSHIELDS AND OTHER PARTS VEHICLE ACCESSORIES : en es
  • ES156556A1 - ACETYLENE GASOGEN : en es
  • DE733654C - Turning device : de en
  • ES156652A1 - PROCEDURE FOR OBTAINING LACTONS FROM THE CYCLOPENTAN SERIES POLYHYDROPHENANTRENIC : en es
  • ES156679A1 - MACHINE FOR THE PROCESSING IN MASS OF JUICY FRUITS, LIKE LEMONS AND ORANGE : en es
  • ES156895A1 - PROCEDURE FOR OBTAINING PLASTIC MASSES : en es
  • US2315176A - Electrical follow-up movement : en
  • DE733813C - Fuse cartridge with an identification indicator consisting of an identification plate and identification wire : de en
  • CH226336A - Pressed glass base for an electron tube and associated socket. : de en
  • CH226344A - Arc lamp with high-melting main electrodes that are immovable relative to one another. : de en
  • DE733700C - Process for the production of chromable dyes of the phthalein series : de en
  • DE733724C - Three-part ring spring : de en
  • ES156076A1 - PROCEDURE FOR DRYING AND COOLING ABSORBENTS : en es
  • ES155732A1 - PROCEDURE FOR THE MANUFACTURE OF ARTISTIC TILES AND THEIR DERIVATIVES AND SIMILAR PRODUCTS : en es
  • ES156279A3 - PROCEDURE FOR THE PREPARATION OF SULPHAMIDIC COMBINATIONS OF PYRIDINE AMINES : en es
  • ES156740A3 - PNEUMATIC CHISELER : en es
  • CH226318A - Line connection terminal. : de en
  • CA411400A - Insecticide : en fr
  • DE733828C - Change gears, especially for motor vehicles : de en
  • FR880748A - Process for preparing a product for the care and protection of the skin : en fr
  • US2315245A - Protective device : en
  • DE733589C - Device for automatically limiting the aircraft acceleration in the direction of the vertical axis : de en
  • DE733709C - Kneading and mixing machine for raw rubber or the like. : de en
  • USD135347S - Combined sole and heel of a shoe : en
  • ES156431A1 - MACHINE TO SELECT FRUIT AND SIMILAR : en es
  • ES156724A1 - OIL FILTER : en es
  • ES156029A1 - IMPROVEMENTS MADE IN THE PRE-TREATMENT METHODS OF THE WOOD SEPARATORS INTENDED FOR LEAD BATTERIES : en es
  • ES156454A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156591A1 - PROCEDURE FOR PREPARING INSOLUBLE LAYERS OF COLLOIDS CONTAINING HYDROXYL GROUPS, PARTICULARLY CARBON HYDRATES, ON VEHICLES AND FOR OBTAINING THE DRY PRODUCTS NECESSARY FOR THEM : en es
  • FR880705A - Processing and production of zein : en fr
  • DE733788C - Method for monitoring and determining the correct operating point of magnetic field tubes, especially when using a permanent magnet : de en
  • US2315092A - Scraper : en
  • US2315310A - Dipping form : en
  • US2315018A - Juice extractor and mixer : en
  • US2314978A - Method of making rail cars : en
  • ES156205A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156538A1 - LIGHTWEIGHT AGRICULTURAL MILLING MACHINE WITH RUNNING WHEEL : en es
  • GB552272A - Improvements in hook couplings : en
  • DE733539C - Device for guiding a cutting tool with several cutting edges, which is used in particular for planing : de en
  • DE733740C - Machine for painting the seam of can bodies : de en
  • ES156433A3 - SPEED LIMITING MECHANISM FOR MARINE ENGINES : en es
  • US2315149A - X-ray machine : en
  • DK60747C - Device for Stirring Machines for Household Use for Coupling the Stirring Machine with a Meat Chopper. : da en
  • ES156534A1 - ROTATING INTERNAL COMBUSTION ENGINE : en es
  • ES156759A1 - SYSTEM OF MEASUREMENT OF ANGLES AND ARCHES WITH MATHEMATICAL ACCURACY : en es
  • DE733731C - Roller coaster gear for aircraft swing arms : de en
  • ES155931A1 - APPARATUS TO RAISE THE WATER TEMPERATURE TO THE DEGREES THAT IS DESIRED THROUGH ELECTRICITY, USING THE WATER AS A MAIN ELEMENT FOR ITS OPERATION : en es
  • ES156780A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • DE733849C - Process for the production of pentaerythritol : de en
  • DE733718C - Display device for credit and debts for self-sellers for electricity, gas or the like. : de en
  • FR880606A - School Catch Improvements : en fr
  • PL31567B1 - Fides Gesellschaft fiir die Verwaltung und Vcrwertung von gewerblichen Schutzrechten mit beschrankter Haftung, Berlin Induction furnace : en pl
  • GB552346A - Improvements in or relating to straight-bar knitting machines : en
  • ES155930A1 - IMPROVEMENTS INTRODUCED IN THE AUTOMATIC MACHINES OF JARABEAR, FILLING, PLACING BOTTLES OF GAS CONDITIONS, MINERAL AND SIMILAR WATERS, SATURATED THROUGH THE CARBONIC ACID : en es
  • ES155965A1 - PORTABLE, FOLDING AND DOUBLE SEAT DEVICE, USED AS A SEAT FOR CHILDREN : en es
  • DE733560C - Process for recovering vanadium from slags : de en
  • ES156395A1 - PROCEDURE FOR OBTAINING LACTONS FROM THE CICLOPENTANOPOLIHIDROPHENANTRENIC SERIES : en es
  • ES156874A1 - PROCEDURE FOR PREPARING A MEDIUM FOR WASHING CONTAINING BISULFITE : en es
  • ES156142A3 - PLUG FOR ELECTRICAL CURRENT : en es
  • FR880537A - Process for the preparation of linear high molecular weight polyamides : en fr
  • ES156220A1 - IMPROVEMENTS INTRODUCED IN GASOGENS FOR EXPLOSION ENGINES : en es
  • DE733555C - Device to ensure the uniform movement of all kinds of movable bridges : de en
  • ES156129A1 - PERFECTIONS IN GASOGEN OF WOOD, PROVIDED OF INVESTMENT OF SHOOTING : en es
  • US2315289A - Discharge device with water cooled baffle : en
  • US2315430A - Kerf cutting machine : en
  • ES155882A1 - PROCEDURE FOR OBTAINING FATTY ACIDS, NITRILE, PIRROL, PYRIDINE. DIPPEL OIL, SODIUM SULFIDE, AMINO BASES, AZOIC PRODUCTS, COLORANTS, CHROME OXIDE, CHROME SALTS, ALUMINUM, ACTIVE ANIMAL CARBON AND OTHERS, OF THE INSERVABLE WASTE OF THE MANUFACTURE OF CLOTHES, FOOTWEAR, AND OTHER SKIN INDUSTRIES, AS WELL AS THE USED FOOTWEAR AND OTHER INSERVABLE LEATHER ARTICLES : en es
  • US2315307A - Fishhook : en
  • FR880504A - Method to avoid haze of color in color photography equipment : en fr
  • FR880532A - Process for preparing condensation products : en fr
  • FR880593A - Method and device for filtering highly dusty air : en fr
  • US2314998A - Method of adhering fibers to rubber : en
  • US2315076A - Pressure apparatus : en
  • CA411544A - Tire mould production : en fr
  • US2315273A - Electric throttle control system : en
  • PL31490B1 - Ringhoffer-Tatra-Werke A. G., Praga-Smichov Combustion engine cooled with air by means of a blower : en pl
  • SU62417A1 - Bomb hold : en ru
  • US2315014A - Container : en
  • US2315141A - Process and composition for the preparation of reflecting surfaces : en
  • US2315431A - Nonspill vent plug : en
  • FR880563A - Resistance : en fr
  • ES156719A3 - MANUFACTURING PROCEDURE FOR ELECTRIC PUSH BUTTONS : en es
  • ES156295A1 - IMPROVEMENTS MADE IN THE MANUFACTURE OF CHILDREN'S CARS : en es
  • GB552250A - Improvements in packages or containers and methods of making the same : en
  • US2315035A - Electric switch : en
  • ES156112A1 - PROCEDURE FOR THE PREPARATION OF A PRODUCT INTENDED TO COMBAT CRIPTOGAMIC DISEASES OF VEGETABLES : en es
  • ES156425A3 - FILTER-STRAINER EXTRACTOR SYSTEM : en es
  • ES156489A1 - TYPE OF STAR FOR CONTINUOUS, SELFACTINE AND SIMILAR MACHINES USED IN SPINNING : en es
  • ES156438A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • ES156519A1 - COMPRESSED GAS CHARGER, ESPECIALLY FOR THE INTRODUCTION OF CARTRIDGES OF A DRUM OR TAPE : en es
  • ES156009A3 - MANUFACTURING PROCEDURE FOR GRINDING GRINDING WHEELS : en es
  • US2314995A - Electric switch : en
  • ES155989A1 - PROCEDURE FOR THE DETERMINATION OF THE RESISTANCE, PERMANENT OF TEST BARS, THROUGH A MARTINETE MECHANISM OF CONTINUOUS EFFECT : en es
  • US2315226A - Method of and apparatus for washing steam : en
  • CA411451A - Portable deck : en fr
  • DE733633C - Electrical circuit breaker for quick disconnection and short-circuit continuation : de en
  • ES156466A1 - PROCEDURE FOR OBTAINING LEATHER SCEDANEOS : en es
  • ES7330Y - Agricultural tool. : en es
  • DE733688C - Process to increase the stretchability of stretched acetate : de en
  • FR880731A - Electroplating method and apparatus : en fr
  • GB552315A - An electrical arrangement for recording sound : en
  • DE733570C - Process for the production of artificial teeth, crowns, bridges and the like like : de en
  • DE733663C - Coupling latch for independently rotating twin wheels : de en
  • PL31547B1 - : en pl
  • US2315044A - Handling acid sludge : en
  • PL31556B1 - Device for covering holes : en pl
  • FR880509A - Automotive body with lower air resistance : en fr
  • FR880658A - Electric cable or conduit, in particular for high voltage pressurized installations : en fr
  • CH226190A - Method and device for cleaning the atmospheric air, as well as the air of living spaces, factories, cinemas and the like. : de en
  • CA411396A - Textile fabric colouring composition : en fr
  • CH226329A - Electron tube for short waves and the corresponding socket. : de en
  • ES156872A1 - PROCEDURE FOR DETERMINING PLACES ON PLANS, MAPS AND ANALOGS : en es
  • FR880578A - Process for dehydrating azeotropic mixtures : en fr
  • ES155799A1 - ELECTROLYTIC PROCEDURE FOR BRIGHTENING REPLACEMENT CHEWERS : en es
  • ES156685A1 - IMPROVEMENTS IN THE MANUFACTURE OF NEEDLES TO CATCH MEDIA POINTS : en es
  • GB552312A - Improvements in or relating to the production of solid agglomerates for metallurgical operations : en
  • ES156851A1 - TORQUE DEVICE FOR EFFECTING CLOSURES OF WIRE FENCES : en es
  • DE733615C - Method for applying a protective layer to the walls of a hollow mold obtained by embedding and melting out a wax model : de en
  • ES156259A1 - GASOGEN FOR MOTOR VEHICLES : en es
  • ES156696A1 - AUTOMATIC OPERATING DEVICE ADAPTABLE TO THE REFRIGERATED WATER VALVES, THERMAL AIR PRESSURE APPLIANCES : en es
  • FR880622A - Friction clutches improvements : en fr
  • ES156184A1 - MANUFACTURING PROCEDURE OF INSULATING LAYERS : en es
  • ES156307A1 - PROCEDURE FOR STERILIZATION OF CATEGUT, SUTURE THREADS AND BLOCKS FOR SURGERY : en es
  • ES156557A1 - PROCEDURE FOR THE OBTAINING OF ERASE IN GENERAL, AND ESPECIALLY OF THREAD OF RAYON, USING THE WIPES OR WASTE OF CRESPON TISSUES : en es
  • FR880533A - Nitrocellulose varnishes and colors for leather : en fr
  • CH226219A - Preparation for dyeing and printing textile fabrics. : de en
  • CH226308A - Combustion turbine system with constant pressure combustion and air cooling. : de en
  • CA411551A - Glass forming machine : en fr
  • US2315125A - Overspray recovery process : en
  • US2315219A - Coiled spring piston ring : en
  • USD135374S - Design for a textile fabric : en
  • US2315193A - Tensioned top ironing table : en
  • DE733722C - Control device for the fuel supply in internal combustion engines : de en
  • CH226333A - High vacuum hot cathode power converter. : de en
  • CH226266A - Chronograph watch mechanism. : en fr
  • DE733843C - Method of folding textile fabrics : de en
  • ES156131A1 - PROCEDURE FOR INSTALLATION OF A STATION OF SERVICE FOR BATTERIES OF ACCUMULATORS, WITH REPLACEMENT OF STANDARD TYPE BATTERIES ON ELECTRIC VEHICLES : en es
  • ES156394A1 - PROCEDURE FOR OBTAINING SALT SOLUTIONS CONCENTRATED THROUGH EVAPORATION : en es
  • DE733393C - Bobbin changing device on a winding machine with a bobbin storage container arranged to the side of the winding station : de en
  • ES156462A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156657A1 - IMPROVEMENTS INTRODUCED IN THERMOSTATIC COTS : en es
  • ES156743A1 - IMPROVEMENTS IN THE FILTERS FOR GASOGENS OF CAR VEHICLES : en es
  • US2315029A - Water-repellent surfacing for cement : en
  • US2315447A - Boiler refilling system : en
  • BE449185R - : fr
  • CA411417A - Mould producing method : en fr
  • US2315073A - Electric circuits : en
  • US2315211A - Fastener for moldings or the like : en
  • CA411527A - Valve bag filling and weighing machine : en fr
  • ES156209A1 - MACHINE FOR STAMPING AND LAMINATING IN SHEET, LINKS FOR CHAINS AND MESH : en es
  • ES156315A3 - SAFETY PLATE AGAINST LEAKS OR EXPLUSIONS OF EMERY STONES IN THE BREAKS OF THESE DURING THEIR OPERATION : en es
  • GB552321A - Improvements in or relating to oxygen jet cutting apparatus and machines : en
  • US2315339A - Land anchor : en
  • DE733791C - Process for dewaxing waxy shellac : de en
  • CH226351A - Facial protection device for ladies when drying hair. : en it
  • DE733717C - Self-seller for electricity, gas, water or the like for operation with coins of various values : de en
  • USD135388S - Design for a paperweight : en
  • CH226207A - Method and machine for closing vessels. : de en
  • ES156333A1 - PROCEDURE FOR OBTAINING POLYAMIDOCONDENSATION PRODUCTS, STARTING FROM SUBSTITUTE COMPONENTS : en es
  • US2314885A - Relay : en
  • US2315186A - Container : en
  • US2315297A - Hair shaper : en
  • US2315384A - Method for removing weakly acidic organic substances from hydrocarbon liquids : en
  • US2315465A - Dental impression material : en
  • US2315468A - Protective system : en
  • USD135364S - Design for a flag or the like : en
  • ES156326A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • CA411399A - Calcium thiocyanate : en fr
  • ES156750A1 - GASOGEN WITH GREAT CALORIFERO POWER : en es
  • GB552276A - Improvements in television transmission : en
  • CA411543A - Flanged hose : en fr
  • FR880715A - Improvement in separating devices of the cyclone type : en fr
  • GB552240A - Improvements relating to compositions for foundry moulds or cores or compositions for coating foundry moulds or cores : en
  • US2315298A - Electromagnetic clutch : en
  • ES156667A1 - IMAGE SUPPORT FOR LENTICULAR NETWORK IMAGES THAT GIVE PLASTIC EFFECT : en es
  • US2315003A - Sheet sorting table : en
  • USRE22295E - Process fob making lignin : en
  • ES156066A1 - PROCEDURE FOR OBTAINING TRIZASOIC AND POLYAZOIC DYES : en es
  • ES156327A3 - POCKET MICROSCOPE MANUFACTURING PROCEDURE : en es
  • CA411515A - Projectile : en fr
  • CH226280A - Screwdriver used for checking spark plugs and lighting circuits in motor vehicles. : en fr
  • FR880642A - Mono-azo dyes and process for preparing these dyes : en fr
  • ES156104A1 - ELASTIC SUSPENSION SYSTEM OF AXIS GROUPS : en es
  • CA411496A - Electrical accumulator : en fr
  • US2315391A - Cushion : en
  • ES156243A1 - SYSTEM OF HOLLOW WINDOWS OF ARMED CONCRETE, AT THE SAME TIME BEAM, SOIL AND SKY SKY : en es
  • ES156795A3 - FIRE EXTINCT APPARATUS : en es
  • SE107011C1 - : en
  • USD135348S - Design for a skillet : en
  • US2315157A - Draw works : en
  • ES155874A1 - RACING IMITATION SYSTEM FOR FUEL INJECTORS : en es
  • FR880749A - Electric furnaces for smelting light metals : en fr
  • ES156493A1 - ACETYLENE GAS GENERATOR COMPLETELY AUTOMATIC AND WITHOUT PRESSURE : en es
  • ES156603A1 - PROCEDURE FOR MANUFACTURE OF RUBBER FOOTWEAR, ONLY ONE PIECE : en es
  • DE733734C - Folded rubber cuff : de en
  • DK60741C - AC-fed Overlay Receiver. : da en
  • ES156158A3 - SWITCHING UNIT FOR ELECTRICAL CURRENT : en es
  • USD135346S - Corner member for a sleeping berth or the like : en
  • USD135338S - Reed for musical instruments : en
  • ES156765A1 - PROCEDURE FOR PREPARING A DISINFECTANT : en es
  • ES156461A1 - DEVICE TO FACILITATE THE PUTTING INTO CONTACT OF THE PULLEY DEPENDENT OF THE CURRENT IN THE TROLS OF PERTIGUE : en es
  • ES155927A1 - AUTOMATIC APPARATUS FOR THE ADDITION OF LUBRICANT TO MOTORS WORKING WITH GASOGEN : en es
  • GB552252A - Improvements relating to insulated electrical conductors : en
  • CH226357A - Circuit arrangement for telephone systems with dialer operation. : de en
  • CA411368A - Lock-nut manufacture : en fr
  • ES156693A1 - DISPOSITION OF MIRA IN FIREARMS IN QUICKLY REPLACABLE CANYON : en es
  • SU62534A1 - Instrument for determining the thermal stability of adhesive, for example, gutta-percha films : en ru
  • US2314951A - Carton : en
  • ES155955A1 - COMPUTER DEVICE, ESPECIALLY FOR BROADBAND CABLES : en es
  • ES156570A1 - IMPROVEMENTS IN WATER TREATMENTS FOR GHASES PRODUCED IN GASOGENS : en es
  • PL31553B3 - : en pl
  • US2314883A - Distance indicator and system : en
  • USD135363S - Design fob a shrine : en
  • DE733785C - Regulating transformer : de en
  • ES156553A3 - SPECIAL LENS SYSTEM FOR PROJECTORS : en es
  • FR880500A - : fr
  • GB552260A - Improvements in or relating to radio altimeters : en
  • PL31522B1 - : en pl
  • PL31570B1 - A method for producing double sheets and a device for carrying out the method : en pl
  • PL31503B1 - : en pl
  • DE733861C - Magnetometer for measuring the magnetic field strength inside a long, single coil through which current flows : de en
  • ES156457A1 - PROCEDURE FOR MANUFACTURING MAGNETIC NUCLEARS TO OBTAIN GREATER INDUCTANCE IN HIGH FREQUENCY COILS OF RADIO APPLIANCES : en es
  • ES156470A1 - STARTING DEVICE FOR INTERNAL COMBUSTION ENGINES : en es
  • DE733579C - Process for the production of thixotropic pesticides : de en
  • GB552257A - Improvements in or relating to the manufacture and production of laminated sheet materials : en
  • US2315012A - Piston : en
  • US2315318A - Universal drill vise : en
  • US2315344A - Call transmitter : en
  • US2315383A - Method and apparatus for locating transmission faults : en
  • DE733683C - Device for locking a swiveling star wheel : de en
  • DE733706C - Machine for the production of tablet glasses, ampoules, etc. like : de en
  • ES156123A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • GB552297A - Improvements in or relating to remote control devices, e.g., for x-ray tube control : en
  • US2315025A - Electric pocket lamp : en
  • DE733608C - Device for maintaining the correct polarity in direct current generators : de en
  • ES156242A3 - IMPROVEMENTS IN THE CONSTRUCTION OF THE TRANSMISSION AND SPEED REDUCTION MECHANISMS, ESPECIALLY PLANNED TO BE ADAPTED IN THE PROPULSION OF ELECTRIC CRANKS : en es
  • ES156773A1 - DETENTION LAYER ELECTRODE SYSTEM CONTAINING, AT LEAST, A GRILLE RECESSED IN THAT LAYER : en es
  • FR880515A - Improvements to high pressure electric discharge lamps : en fr
  • ES156501A1 - IMPROVEMENTS IN THE CONSTRUCTION OF IMMERSION PUMPS FOR LIQUID FLUIDS : en es
  • ES156600A1 - DEVICE OF EMBIGGER POWERED BY PRESSURE MEANS FOR CHANGE BOXES, ESPECIALLY FOR AUTOMOTIVE : en es
  • FR880702A - Gas fuel and air mixer for internal combustion engines : en fr
  • CA411542A - Chemical compound : en fr
  • ES156155A1 - IMPROVEMENTS IN THE CONTINUOUS OVENS FOR THE CARBONIZATION OF SOLID FUELS, WITH OBJECT OF GAS PRODUCER RICH IN HYDROGEN : en es
  • ES156694A3 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC HORSES : en es
  • DE732965C - Control device for keeping an electrical voltage constant : de en
  • DE733710C - Plasticized urea-formaldehyde resins : de en
  • DE733795C - Method of making missiles : de en
  • ES155901A1 - CAMILLA PROVISTA DE PATINES : en es
  • ES156160A1 - TUNNEL OVEN WITH ENDLESS CONVEYOR : en es
  • ES155928A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • DE733867C - Device for heating water in open containers : de en
  • ES156149A1 - IMPROVEMENTS IN RAILWAY AND SIMILAR WAGONS : en es
  • DE733288C - Gas meter with molded material housing : de en
  • DE733525C - Fuse with a supporting body for the fusible conductor : de en
  • DE733766C - Versatile transmission for self-sellers for electricity, gas, water or the like. : de en
  • ES156446A1 - AXIAL BRAKE SYSTEM FOR BIKES : en es
  • ES156520A1 - SYSTEM OF BRAKE BARS TO OBTAIN A UNIFORM BRAKING PRESSURE OF THE SHOES IN THE ARTICULATED BOGIES OF THREE AXES OF TRIANGLE CARS : en es
  • ES155959A1 - APPARATUS TO REGULATE FEEDING OF COTTON, WOOL, WASTE AND ALL OTHER TEXTILE FIBER CARTRIDGES : en es
  • ES156542A1 - PRODUCTION PROCEDURE FOR RIBBED CONTINUOUS PAPER : en es
  • ES156047A1 - GASOGEN SYSTEM APPLICABLE TO VEHICLES AUTOMOVILES : en es
  • ES156150A1 - AUTOMATIC SWITCH FOR ELECTRICAL CURRENT : en es
  • GB552248A - Improvements in and relating to grinding wheels and other abrasive articles : en
  • GB552333A - Improvements in or relating to ploughs : en
  • ES156094A1 - SMALL MOTOR, IN PARTICULAR SYNCHRONOUS SMALL MOTOR : en es
  • GB552267A - Improvements in or relating to reciprocating double-acting pumps : en
  • FR880680A - Device for fixing a first sole on a wooden sole : en fr
  • GB552351A - Arrangement for exploding a projectile : en
  • US2314901A - Harvester-thresher : en
  • US2315302A - Process of manufacturing shaped bodies from iron powders : en
  • CA411539A - Anhydrous sodium sulphate recovering apparatus : en fr
  • CH226183A - Sealing device for the joint of space-enclosing organs. : de en
  • ES156190A1 - PROCEDURE FOR THE PREPARATION OF SPARKLING FLOTATION OF MINERALS CONTAINING TIN WITH AUXILIARY ARSENIC ACID AID : en es
  • ES156016A1 - PROCEDURE FOR THE PROJECTION OF CINEMATOGRAPHIC IMAGES WITH SENSATION OF RELIEF : en es
  • DE733680C - Device for the precise measurement of gas quantities in impellers : de en
  • ES156025A1 - MIXER FOR GAS SYSTEMS FOR THE SUPPLY OF EXPLOSION ENGINES : en es
  • ES156498A3 - CAM DRIVE MECHANISM : en es
  • ES156544A1 - PROCEDURE FOR OBTAINING FUELS : en es
  • ES156828A1 - IMPROVEMENTS IN THE CONSTRUCTION OF GASOGENS FOR VEHICLES : en es
  • US2315192A - Catalytic cracking of hydrocarbons : en
  • US2315199A - Condenser device : en
  • US2315360A - Step shimming strip : en
  • ES155968A1 - ELASTIC YARN MANUFACTURING PROCEDURE : en es
  • ES156764A1 - PROCEDURE FOR OBTAINING A NEW INDUSTRIAL PRODUCT, SUBSTITUTE D ELA LEAF LATA : en es
  • US2315280A - Vacuum tube apparatus : en
  • ES156761A1 - IMPROVEMENTS IN A NEW GENERATOR OF POOR GAS OR CONGLOMERATES, FOR MOTOR VEHICLES : en es
  • ES156120A1 - DEPOSIT COATING PROCEDURE : en es
  • ES156130A1 - PROCEDURE FOR OBTAINING A VARNISH BASED ON CLEANED FORMOFENOLIC RESIN : en es
  • DE733848C - Device for the gradual degassing of bituminous raw materials, for example hard coal o. : de en
  • ES155856A1 - CAPACITIVE GONIOMETER : en es
  • ES156755A1 - IMPROVEMENTS IN GASOGENS : en es
  • FR880737A - Color photography : en fr
  • ES156785A1 - IMPROVEMENTS INTRODUCED IN THE PROVISION OF ELECTRODES APRA ELECTRIC OVENS : en es
  • ES156012A3 - IMPROVEMENTS MADE IN THE MANUFACTURE OF THE MECHANISM FOR REMOVABLE LEAF LIBORS : en es
  • USD135396S - Design foe a dress : en
  • PL31576B1 - Fides Gesellschaft fiir die Verwaltung und Verwertung von gewerblichen Schutzrechten mit beschrankter Haftung, Berlin Cable drum : en pl
  • US2314949A - Airplane : en
  • US2315404A - Water, oil, or other liquid cooler : en
  • US2314903A - Polymerization of unsaturated compounds having the cyclopentadiene nucleus : en
  • US2315133A - Pipe line cleaner : en
  • DE733606C - Armature return spring for electrical switchgear, especially contactors : de en
  • FR880547A - Ski binding : en fr
  • FR880595A - Fuel injection device for internal combustion engines : en fr
  • ES156075A3 - MACHINE TO EXTRACT FIBER APPLICABLE TO THE TEXTILE INDUSTRY : en es
  • ES156336A1 - PROCEDURE FOR OBTAINING POLYCONDENSATION PRODUCTS OF CARBETOXIGLICOLS : en es
  • ES156809A1 - PROCEDURE FOR THE MANUFACTURE OF AN INDUSTRIAL PRODUCT SUBSTITUTING THE PARAFFINS : en es
  • ES155761A1 - PROCEDURE TO DETERMINE THE FORM OF A SHIP'S BOW : en es
  • ES155992A1 - PROCEDURE FOR SERVICE OF A VOLTAIC ARC : en es
  • ES156372A1 - GASOGENO OF LOW PRESSURE ACETYLENE, WITH DOUBLE PISTON CARBIDE OR WATER DISPENSER AND RUBBER SAFETY DISC : en es
  • FR880664A - Electric furnace for melting magnesium and its alloys : en fr
  • DE733758C - Circulation pump for gas delivery : de en
  • ES155966A1 - PROCEDURE TO OBTAIN THE REACTION BETWEEN AMINOBENCENIC SULFOHALOGENURAS AND SUBSTITUTE PRIMARY AMINES APPLICABLE TO THE PREPARATION OF MEDICINAL SUBSTANCES CALLED SULFAMIDES : en es
  • ES156224A1 - JOINTING SYSTEM OF CARPENTRY PIECES THROUGH ONE OR SEVERAL GLASSES : en es
  • ES156330A1 - PROCEDURE FOR UNIFORMIZING AND POLISHING THE SURFACE OF THE WOODEN SMOOTH BUTTONS : en es
  • FR880631A - Special nozzle for fireplaces : en fr
  • GB552249A - Improvements in or relating to packages for commodities such as coffee : en
  • PL31479B1 - : en pl
  • ES156735A1 - IMPROVEMENTS INTRODUCED IN LSO TUBULAR ELECTRODES FOR ROOF OVENS INTENDED FOR THE PRODUCTION OF GLASS WOOL AND ELECTRIC FURNACES APRA THE FUSION OF GLASS : en es
  • DE733870C - Centering machine : de en
  • ES155762A1 - IMPROVEMENTS IN ARCH ELECTRIC FURNACES WITH HOMES OR MOBILE CEILINGS : en es
  • ES156550A1 - PROCEDURE FOR THE USE OF COFFEE WASTE : en es
  • PL31498B1 - A method of producing artificial precalling fibers from casein : en pl
  • US2315023A - Water drain for floating roof tanks : en
  • US2315424A - Hydrogen purification : en
  • DE725340C - Manual adjustment device on carbon holder spindles in arc lamps for projection or similar purposes : de en
  • ES155860A1 - PROCEDURE FOR THE MANUFACTURE OF FATTY ACIDS AND THEIR DERIVATIVES BY FERMENTATION OF CELLULOSE HYDROLYSED PRODUCTS : en es
  • ES156270A1 - PROCEDURE FOR THE OBTAINING OF DINITRIO OF THE ISOMALIC ACETILE ACID : en es
  • US2315311A - Fuse link : en
  • US2314961A - Telephone system : en
  • US2315228A - Tubular container : en
  • ES155784A1 - PLUG FOR ELECTRIC OCNTACTS : en es
  • ES156533A3 - UNIVERSAL DIVIDING APPARATUS FOR MECHANICAL MILLING MACHINES AND APPLICABLE TO OTHER MACHINES : en es
  • FR880706A - Textile primer : en fr
  • US2315272A - Electroplating apparatus : en
  • ES156558A3 - MECHANICAL LIFTING APPLIANCE : en es
  • ES156256A3 - RECTILINEE LOOM : en es
  • US2315082A - Cable clamp : en
  • CA411500A - Anti-vibration mounting : en fr
  • CA411533A - Aircraft fuel pump : en fr
  • ES156706A1 - CONTINUOUS OVEN FOR THE DRY DISTILLATION OF THE WOOD : en es
  • FR880610A - Transmissions of movements at constant or variable speeds : en fr
  • DE733660C - Device for the removal of empty ammunition cases in combat towers from aircraft : de en
  • ES156653A1 - PROCEDURE FOR THE DECOMPOSITION OF OILS, ALQUITRANS AND SIMILAR, CONTAINING PARAFFIN, HARD PARAFFIN, SOFT PARAFFIN AND LOW SOLIDIFICATION POINT FILTRATION PRODUCT : en es
  • ES156122A1 - PROCEDURE FOR THE PREPARATION OF A MATERIAL FOR HOODS AND REINFORCEMENTS FOR FOOTWEAR WITHOUT RISK OF FLAMMING, AS WELL AS FOR THE MANUFACTURE OF HOODS AND REINFORCEMENTS OF SUCH MATERIAL, UNDER THE EXCLUSION OF FLAMMABLE ORGANIC SOLVENTS : en es
  • ES156352A1 - METHOD FOR THE OBTAINING OF ARSENIATES, APPLICABLE TO ARSENIOUS ANHYDRIDES CONTAINING MERCURY, BY OXIDATION OF ARSENIATES BY GAS CHLORINE : en es
  • ES156682A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FOLDING CARS FOR CHILDREN : en es
  • ES155869A1 - IMPROVEMENTS IN TRACTION ELECTRIC TRUCKS BY ACCUMULATOR BATTERIES : en es
  • ES156234A1 - INSDUTRIAL PROCEDURE FOR THE OBTAINING OF FRUIT HONEY : en es
  • US2315261A - Hair retainer for shavers : en
  • FR880585A - Loading machine for compartment work in mines : en fr
  • US2314875A - Heating device : en
  • DE733779C - Device for hardening the tab connection surfaces of railroad tracks : de en
  • FR880744A - Product for the destruction of insects harmful to agriculture and its manufacturing process : en fr
  • ES156042A1 - TRICYCLE VEHICLE FOR ONE OR TWO PEOPLE : en es
  • ES156004A1 - MECHANICAL PROVISION APPLICABLE TO MOWERS : en es
  • GB552244A - Improvements in cleaning devices for tubes : en
  • ES156359A1 - DEVICE FOR THE STORAGE, DRIVING AND INTRODUCTION OF EMULSIVE LIQUID TO PRESSURE WATER PIPES : en es
  • DE733655C - Suspension of spring roller mills : de en
  • ES155908A1 - CLOSED FRAME APPLICABLE TO ALL KINDS OF VEHICLES : en es
  • FR880733A - Sound re-recording system : en fr
  • DE733597C - Drainage channel arranged on the peeling knife carrier : de en
  • DE733634C - Multipole thermal overcurrent switch : de en
  • DE733749C - Process for the production of high-performance fuels : de en
  • ES156314A1 - GASOGENO APPARATUS : en es
  • GB552337A - Improved means of mounting a rotary magnet on its spindle : en
  • USD135381S - Case for safety razors and shaving accessories : en
  • ES156703A1 - DEVICE FOR THE OBTAINING OF IMAGES THAT REPRODUCE THE MOVEMENT OF THE BODIES : en es
  • US2315291A - Apparatus for and method of generating television signals : en
  • DE733846C - Device for the production of low-temperature coke from baking coal in horizontal chamber coke ovens : de en
  • DE733522C - Arrangement for automatic bearing : de en
  • DE733854C - Charging device for glow furnaces : de en
  • CH226295A - Electromechanical drive device for converting the forces and movements of the sensing means of a sensing device into larger forces and larger movements of a control shaft. : de en
  • US2315342A - Skate stop : en
  • CA411473A - Beryllium alloy : en fr
  • CH226233A - Method and device for closing a polygonal container jacket by inserting a closure part. : de en
  • ES156451A1 - PROCEDURE FOR FRUIT AND HORATALIZED DRYING : en es
  • US2315107A - Catalytic dehydrogenation : en
  • US2315182A - Process for recovering neutral substances containing oxygen from oils containing such substances : en
  • US2315333A - Skin clamp : en
  • PL31495B1 - : en pl
  • US2315135A - Textile treating process : en
  • FR880651A - Device applicable to aluminum furnaces : en fr
  • DE733825C - Folding camera with tie rods : de en
  • ES156139A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES155973A1 - ELASTIC YARN MANUFACTURING PROCEDURE : en es
  • FR880501A - : fr
  • FR880564A - Hollow conductor for ultra-high frequency electrical oscillations : en fr
  • IE17990L - Electrical oscillators : en
  • ES156616A3 - FILTER MANUFACTURING PROCEDURE FOR INFUSIONS : en es
  • FR880636A - Process for preparing polycondensation products : en fr
  • US2315258A - Radial fastener setting machine : en
  • GB552280A - Improvements in honing machines : en
  • ES156057A1 - PROCEDURE FOR OBTAINING 7-AMINOPIRIMIDINE : en es
  • US2315010A - Signaling system : en
  • DE733763C - Device for measuring the consistency of semi-solids : de en
  • GR10066B - CIGARETTE CASE WITH FOLDED COVER. : el en
  • ES156709A3 - REVERSING MECHANISM, ESPECIALLY FOR MARINE DIESEL ENGINES : en es
  • CA411540A - Hydraulic power transmission : en fr
  • CH226313A - Transformer with a consumer connected via a regulating device that requires a variable voltage. : de en
  • CH226232A - Device for the anodic oxidation of mass parts made of aluminum and aluminum alloys. : de en
  • ES156324A1 - MANUFACTURING PROCEDURE FOR NOZZLES OR TABLES APPLICABLE ESPECIALLY FOR AUTOGENA WELDING : en es
  • CA411563A - Parasiticide containing rotenone : en fr
  • ES156325A1 - PROCEDURE FOR PRESERVING IRON AND STEEL PIECES AGAINST CORROSION : en es
  • GB552335A - Improvements in or relating to presses such as printing presses : en
  • GB552338A - Improvements in electric heaters chiefly designed for use in drying cabinets : en
  • ES156199A1 - PROCEDURE FOR THE MANUFACTURE OF INCOMBUSTIBLE, WATERPROOF AND ANTI-INDUCTIVE INSULATING TUBES FOR THE PROTECTION OF ELECTRIC CONDUCTIONS : en es
  • ES156822A3 - ORTHOPHOSPHORIC ACID MANUFACTURING PROCEDURE : en es
  • US2315466A - Welding rod : en
  • CH226293A - V-belt transmission for power transmission in both directions of rotation. : de en
  • SU62396A1 - Device for cutting sheet glass in a Fourco type machine : en ru
  • PL31534B1 - Device for generating electric vibrations for deflecting the beam of cathode rays : en pl
  • PL31562B1 - : en pl
  • FR880546A - Draining device for hydraulic circulating clutches or transmissions : en fr
  • FR880630A - Acid dyes for wool belonging to the anthraquinone series and process for the preparation of these products : en fr
  • ES155972A1 - FILTER SYSTEM GAS OR GASOGENO DEPURATOR : en es
  • ES156738A1 - PROGRESSIVE SPEED CHANGE : en es
  • ES156834A3 - PHONOGRAPHIC OR PIC-UP SYSTEM : en es
  • DE733623C - Cleaning and sterilizing machine : de en
  • CH226181A - Means for combating the bee mite. : de en
  • CH226345A - Gas discharge lamp with fluorescent wall covering. : de en
  • DE733549C - Heel protection : de en
  • ES156443A1 - APPARATUS TO HOMOGENIZE AND STERILIZE MILK : en es
  • GB552292A - Improvements in seats for military aircraft : en
  • DE733575C - Process and device for the electrolytic deposition of gold or silver from trubes produced by leaching gold and silver slurries : de en
  • BE449123A - Process for rolling slabs and sheets : en fr
  • CA411428A - Moistureproofing coating : en fr
  • CH226297A - Multi-stage compressor with a radially loaded blade grille. : de en
  • DE733566C - Adjusting wing for wind turbines : de en
  • ES156821A3 - ORTHOPHOSPHORIC ACID MANUFACTURING PROCEDURE : en es
  • US2315050A - Frequency modulation system : en
  • CA411398A - Ammonium soap of resinous materials : en fr
  • ES156805A1 - MACHINE PELADORA OF POTATOES, PERFECTED : en es
  • FR880530A - Process for manufacturing high molecular weight condensation products : en fr
  • US2314861A - Sewing machine presser foot : en
  • US2315091A - Loadfr : en
  • US2315439A - Teletypewriter system : en
  • US2315217A - Process for the manufacture of tubular bodies : en
  • DE733618C - Coin checker with scales : de en
  • DE733865C - Inclination balance with printing mechanism : de en
  • ES155842A1 - PROVISION TO INDICATE THE SITUATION OF DIRECT RAYS MANIPULATED BY POINTS AND TRAZOS FOR RADIONAVEGACION : en es
  • ES155996A1 - HIGH FREQUENCY COMMUNICATION APPARATUS : en es
  • FR880641A - Fitting for connecting a breathing apparatus to a gas mask : en fr
  • CA411407A - Sulphated calcined dolomite : en fr
  • DE733693C - Process for the production of tetrachlorethylene : de en
  • CH226264A - Device for generating a constant supply voltage for the photocell of a sound device. : de en
  • CH226383A - Bicycle drive. : de en
  • USD135344S - Hackstand for belt polishing machines : en
  • CH226299A - Casing for steam or gas turbines with flanges, the width of which is at least three times the thickness of the casing wall. : de en
  • US2314874A - Reversing switch : en
  • US2315069A - Scraper : en
  • ES155881A1 - PROCEDURE FOR OBTAINING CHROMIUM SALTS BASIC ACIDS AND CHROMIC ACID FROM INDUSTRIAL LIQUID REISDUITS, SUCH AS DYED, PHOTOGRAPHED, TANNED, AS FILTERS, PRESSES AND APPLICABLE TO THE INDUSTRIES INDIVIDUALS : en es
  • ES156346A3 - PROCEDURE FOR THE MANUFACTURE OF SODIUM OXALATE, OXALIUM AND OXALATES : en es
  • CH226335A - Circuit for an indicator that is excited in pulses, in particular a relay. : de en
  • DE733528C - Lifting device for molding machines with lifting pins : de en
  • DE733818C - Arrangement for reading combined tachometers : de en
  • DK60748C - Device for Swivel Weights with Pressure Mechanisms. : da en
  • BE449413A - Manufacturing process for alkaline chlorites : en fr
  • CA411504A - Card for sequence sorting : en fr
  • CH226353A - Arrangement on telephone subscriber set to avoid the disturbing effects of cracking noises on the telephone receiver of the telephone subscriber set when operating the same in carrier frequency two-way circuit. : de en
  • CH226387A - Single-axis end frame of three-axis steering racks for rail vehicles. : de en
  • DE733601C - Dismountable railway bridge : de en
  • ES156161A1 - HANDWRITING APPARATUS : en es
  • ES156708A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THE ELECTRIC SWITCHES AND LEVER SWITCHES : en es
  • GB552229A - Improvements in or relating to the uncoiling of wire or other strip material : en
  • PL31591B1 - : en pl
  • US2315028A - Juice extracting machine : en
  • US2315363A - Plural scoop scraper : en
  • ES155737A3 - PROCEDURE FOR THE MAKING OF DECORATIVE AND DECORATION ELEMENTS IN GENERAL : en es
  • US2315347A - Coating composition : en
  • CH226343A - Vehicle headlights. : de en
  • CH226398A - Process for the production of a condensation product. : de en
  • US2315353A - Radiosonde box : en
  • SU62383A1 - Fitting to horizontal forging machines to move workpieces from one stream to another : en ru
  • US2315436A - Typewriter desk : en
  • US2315071A - Mold construction : en
  • US2315274A - Mechanical razor : en
  • US2315393A - Chuck handling device for lathes : en
  • USD135350S - Design for a bread slicing board : en
  • PL31513B1 - : en pl
  • US2314956A - Electric furnace : en
  • DE733578C - Whistle for generating high-frequency sound vibrations : de en
  • ES156656A1 - DEVICE FOR THE AUTOMATIC CLOSURE OF THE PIPE OF ENTRY IN DEPOSITS OF ALL KINDS, ESPECIALLY OF THE PIPES OF ENTRANCE OF THE DEPOSITS OF AIRCRAFT AND MOTOR VEHICLES : en es
  • FR880589A - Wrap for small and medium-sized objects, for example for tea bags : en fr
  • CH226407A - Push-in or push-through seal. : de en
  • ES155948A1 - MACHINE PLUGGER : en es
  • FR880570A - Lightweight tiller for tillage, with load wheel : en fr
  • FR880692A - Apparatus for the shorthand recording of music performed on a keyboard instrument : en fr
  • CH226361A - Machine for packing objects, in particular yarn packages, in boxes. : de en
  • US2314873A - Apparatus for making geophysical explorations : en
  • US2314971A - Machine for treating furs : en
  • US2315144A - Treatment of hydrocarbons : en
  • USD135359S - Carrying case or similar article : en
  • ES156255A1 - PROCEDURE FOR MANUFACTURING STRAITS IN TUBES OR RODS OF OTHER GLASS OBJECTS : en es
  • ES156328A1 - PROCEDURE FOR OBTAINING OXALIC ACID : en es
  • DK60738C - Boiler with forced circulation and radiant heating surface tube on the wall surfaces of the boiler room. : da en
  • CH226258A - Strain gauge. : de en
  • DE733851C - Buoyancy solenoid for steam engines : de en
  • SU62435A1 - Contact apparatus : en ru
  • DE733704C - Cover for sand casting molds : de en
  • ES156660A1 - BOX OF NOZZLES, AIR-COOLED, FOR ALL KINDS OF GASOGENS : en es
  • GB552293A - Improvements in or relating to fluid pressure responsive devices : en
  • CA411464A - Electric welding system : en fr
  • ES156017A1 - PROCEDURE FOR THE MANUFACTURE OF A PROTECTIVE COMPOUND FOR HEATING RESISTORS : en es
  • FR880591A - Improvements in manufacturing processes for cyclic sulfonamide derivatives : en fr
  • US2314893A - Coffee oil refining process : en
  • AT160899B - Periodically operating switching device for alternating current with moving contacts, in particular current converters : de en
  • ES156554A1 - SPECIAL GAS PROPULSION DEVICE, APPLICABLE TO AIRPLANES AND OTHER MEANS OF LOCOMOTION : en es
  • ES156316A1 - PROCEDURE FOR ELABORATION AND EMPLOYMENT OF AN ARGAMASA : en es
  • ES156208A1 - ENGINE MOUNTING DEVICE FOR GEARS ACTIVATE A VEHICLE OF ANY KIND : en es
  • ES156084A3 - ELECTRIC APPARATUS FOR WRITING ON METALS : en es
  • DE733757C - Liquid ring gas pump : de en
  • ES155792A1 - OVEN FOR THE PRODUCTION OF DEHYDRATED HOT AIR : en es
  • CH226210A - Spool replacement device on automatic Kötzerspulmaschinen. : de en
  • CH226278A - Emery ribbon file. : de en
  • DE733556C - Arrangement for generating very short time delays with great accuracy between two switching processes : de en
  • DE733619C - Internal combustion engine system with a device for the fine adjustment of control organs : de en
  • ES156513A1 - MECHANISM TO GRADUATE THE ANGLE OF INCLINATION IN THE RELATIVE POSITIONS BETWEEN THE METALIC PALETILLA OF THE BRAGUEROS AND THE SUSPENSION BELT : en es
  • ES156213A1 - HOT GAS ENGINE : en es
  • CH226191A - Dispositif faisant varier la température d'un fluide de chauffage en fonction des variations des atmospheric conditions. : de en fr
  • ES155924A1 - DEVICE FOR FIXING INTERPOSED NOZZLES OF EXPLOSION CHAMBERS AND FUEL INJECTORS IN EXPLOSION ENGINES : en es
  • ES156481A1 - PROCEDURE FOR OBTAINING AMMONIUM NITRATE SOLUTIONS HIGHLY CONCENTRATED BY EVAPORATION IN MULTI-EVAPORATING APPLIANCES : en es
  • CA411452A - Casting forming method : en fr
  • US2314896A - Bottle holder : en
  • ES155848A1 - PROCEDURE FOR OBTAINING AN INDUSTRIAL EXPLOSIVE : en es
  • ES156071A1 - PROCEDURE FOR OBTAINING A PHYSIOLOGICALLY VERY ACTIVE PRODUCT : en es
  • US2315469A - Protective system : en
  • US2315475A - Enameled cooking utensil : en
  • FR880545A - Case for cinematographic camera : en fr
  • FR880716A - Brooch finger holder : en fr
  • FR880624A - Frame counter device for photographic cameras, in particular for serial cameras : en fr
  • FR880528A - Process for preparing unsaturated compounds : en fr
  • ES155898A1 - APPARATUS FOR CONSTANT TEMPERATURE PERFORMANCE STRICTLY EXOTERMIC CATALYTIC REACTIONS : en es
  • ES155865A1 - PROCEDURE FOR OBTAINING CUTANEOUS PURIFIERS : en es
  • ES156362A1 - PROCEDURE FOR FORMING A BRACKET OF SUITCASE OF BAGS : en es
  • ES156420A3 - IMPROVEMENTS IN THE CONSTRUCTION OF RADIATORS FOR HEATING : en es
  • ES156267A1 - ELECTRICAL SIGNALING SYSTEM : en es
  • ES156375A1 - IMPROVEMENTS INTRODUCED IN FREQUENCY MULTIPLIER OR MULTIPLIER SYSTEMS OF THE LSO TYPE USED IN TV : en es
  • ES156569A1 - NEW WHEEL FOR AUTOMOBILE VEHICLES : en es
  • DE733676C - Magnetron tubes for generating vibrations with a cylindrical anode and a directly heated cathode or auxiliary electrode arranged in the axis of the anode : de en
  • FR880730A - Home and agricultural use gearbox : en fr
  • US2315476A - Broaching machine : en
  • DE733584C - Gate valve for superheated steam with wedge-shaped sealing plates inserted into the shut-off body : de en
  • DE733778C - Fully automatic cooling system : de en
  • USD135386S - Design for a luminaire : en
  • DE733810C - Arrangement for fanning ultra-high frequency electromagnetic oscillations : de en
  • USD135392S - Schofield vehicle : en
  • CA411374A - Snow remover : en fr
  • CH226384A - Pedal cranks for bicycles. : de en
  • CH226271A - Gear shaping machine for the hobbing process with gear cutting wheel. : de en
  • ES156222A1 - GASOGEN FOR MECHANICAL TRACTION VEHICLES : en es
  • ES155844A1 - GASOGENO OF CARBON VEGETABLE : en es
  • ES156486A1 - IMPROVEMENT IN THE MANUFACTURE OF APOSITOS WITH RADIOACTIVE SALTS : en es
  • DE733824C - Feed drive for machine tools with hard metal tools : de en
  • DE733726C - Process for the production of metallized insulating foils : de en
  • ES155774A1 - EXTINGUISHING MEDIA TO COMBAT GAS FIRES : en es
  • ES155815A1 - PROCEDURE FOR THE MANUFACTURE OF METALLIC ARMOURS FOR MOLDED PARTS OF MORTARS AND CEMENT CONCRETE : en es
  • ES156712A3 - IMPROVEMENTS IN THE CONSTRUCTION OF THE BIGUDIS USED FOR THE PERMANENT WAVING OF THE HAIR : en es
  • ES155837A1 - PROCEDURE FOR MANUFACTURING PENCILS : en es
  • ES156021A1 - PROCEDURE FOR THE MANUFACTURE OF FILAMENTS AND TEXTILE FIBERS OF CASEINA : en es
  • ES156280A3 - PROCEDURE FOR THE PREPARATION OF SULPHAMID COMBINATIONS OF THIAZOLIC AMINES : en es
  • ES156816A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2315451A - Boiler : en
  • DE733630C - Electrode made of mercury or amalgam for half-elements for electrical measuring purposes : de en
  • ES156069A1 - PROCEDURE FOR OBTAINING DISAZOIC DYES : en es
  • ES156635A1 - SYSTEM FOR FIXING THE PIPE OF THE IMPULSION VALVE IN THE INJECTION PUMPS OF THE EXPLOSION ENGINES : en es
  • PL31587B1 - : en pl
  • US2314871A - Apparatus for treating foodstuffs : en
  • ES156187A1 - COMPRESSED AIR HAMMER, ESPECIALLY ROCK DRILL HAMMER : en es
  • FR880557A - Hurry : en fr
  • FR880615A - Process for decomposing paraffin oils, tars and the like into hard paraffin, soft paraffin and low solidifying point filtrate : en fr
  • US2315117A - Airplane construction : en
  • ES156178A1 - COIN CONTAINMENT METAL CLOSURE : en es
  • FR880581A - Process for removing nitrogen oxides from carbon dioxide or gas containing it : en fr
  • US2315394A - Inside mold form : en
  • US2315405A - Means for treating textiles : en
  • GB552329A - Improvements in and relating to obstacles for preventing the forward progress of land vehicles : en
  • ES155802A1 - PROCEDURE AND DEVICE FOR THE DRYING OF THREADS OR ENDLESS ARTIFICIAL TAPES : en es
  • ES156154A1 - PROCEDURE TO DEFINE THE RETAMA : en es
  • DE733801C - Floor shackle for steep screwdrivers : de en
  • ES155970A1 - PROCEDURE TO OBTAIN METAL AGGLOMERATED BY WELDING FROM METAL IN GRAINS : en es
  • PL31561B1 - : en pl
  • US2315013A - Sorting table : en
  • ES155780A1 - PROCEDURE FOR OBTAINING SULFURED DYES : en es
  • ES155916A1 - EXHAUST DEVICE : en es
  • ES155950A1 - GENERATOR OF AERIFIED EPSUMA : en es
  • ES155956A1 - COMPRESSED AIR DRILL FREE HAND GUIDE FOR CARBON AND SIMILAR : en es
  • ES156221A3 - PROCEDURE FOR OBTAINING A FOOD PRODUCT : en es
  • FR880686A - Constant level supply plastic bottle for oil bath bearings : en fr
  • GB552360A - Improvements in or relating to spectacle frames : en
  • DE733586C - Hanging plansifter : de en
  • ES156103A1 - SYSTEM TO STRAIGHTEN THE ARTICULATED BOGIES OF RAIL VEHICLES : en es
  • CA411415A - Mulling apparatus : en fr
  • CH226213A - Loom. : en fr
  • US2314938A - Signal translating device : en
  • US2315180A - Field mat : en
  • USD135398S - Design for a dress : en
  • US2314988A - Treatment of fat containing materials, and product : en
  • USD135391S - Design for a brooch or similar article : en
  • ES156164A3 - IMPROVEMENTS IN THE ANNULAR TANK CARBONIZING FURNACES WITH CENTRAL INTRODUCTION OF THE SCANNING GASES : en es
  • CA411379A - Binder for patching veneers : en fr
  • ES156599A1 - INSURANCE DEVICE FOR THE DEPLOYMENT MECHANISM OF FIREARMS : en es
  • FR880726A - Removable plate carrying an electric stove, applying to town gas stoves and others : en fr
  • GB552311A - Improvements in coated metal strip material : en
  • ES156494A3 - JAM MACHINE : en es
  • GB552320A - Improvements in or relating to centrifugal governors : en
  • US2315290A - Apparatus for and method of generating television signals : en
  • US2315457A - Drawer pull : en
  • ES156817A3 - COMPRESSED AIR STARTING MECHANISM : en es
  • DE733836C - Device for conveying bulk goods in cooling and drying shafts with simultaneous shifting : de en
  • ES156717A1 - NEW CLUTCH : en es
  • ES156844A1 - PROCEDURE FOR THE MANUFACTURE OF WASHERS APPLICABLE AS A HEAD GASKET IN IGNITION PLUGS : en es
  • US2315005A - Process for making plastic substances and the products thereof : en
  • ES156678A3 - DEVICE FOR TREATING WITH LIQUID CHLORINE, CURRENT ABSORBING LIQUIDS : en es
  • ES156897A1 - NEW VIBRATOR SYSTEM : en es
  • CH226240A - Rangefinder attached to a camera. : de en
  • PL31571B1 - : en pl
  • US2314897A - Fluted shank fastener : en
  • US2315126A - Covering convertible into a bag : en
  • US2315269A - Multiposition holder for brushes and the like : en
  • USD135341S - Design fob an over-bed table : en
  • DE733577C - Light signal protection for typewriters : de en
  • ES156460A1 - IMPROVEMENTS IN THE ORGANIZATION OF ELECTRIC MOTORS : en es
  • ES156079A1 - AUTOASPIRANTE ROTARY PUMP : en es
  • ES155835A1 - AUTOMATIC APPARATUS FOR CONTINUOUS AND RAPID IRRIGATIONS : en es
  • ES156053A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156321A1 - A GASOGEN : en es
  • FR880597A - Piston steam engine with downstream exhaust steam turbine : en fr
  • FR880579A - Process for preparing adipic dinitrile : en fr
  • FR880735A - Advanced wood gasifier for motor vehicles : en fr
  • US2315400A - Resinous composition : en
  • ES156195A1 - A GASOGEN : en es
  • ES156675A1 - PROCEDURE FOR OBTAINING PLASTIC MASSES : en es
  • GB552241A - Improved method of and means for setting industrial and other diamonds and hard materials for shaping and finishing purposes : en
  • ES156237A1 - MULTIPLE AUTOMATIC CHARGING RIFLE OR FIREARM : en es
  • ES156186A1 - PROCEDURE FOR THE MANUFACTURE OF FILTERS OF PROTECTION AGAINST THE INORGANIC COMBINATIONS OF HYDROGEN OF THE METALOIDES POLIVALENTES : en es
  • ES156565A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880746A - Process for degassing viscose : en fr
  • ES156408A3 - IMPROVEMENTS IN THE CLOSING PROVISIONS OF THE METALLIC BIONS : en es
  • US2315421A - Crawler tractor side frame construction : en
  • FR880621A - Process for the production of layers reducing the effect of reflection on optically active surfaces : en fr
  • ES155831A1 - IMPROVEMENTS IN THE PREPARATION OF SULFAZINES : en es
  • ES156524A1 - IMPROVEMENTS INTRODUCED IN STEAM PLANKS : en es
  • ES156168A1 - MIXER FOR GASOGEN, ESPECIALLY FOR INSTALLATION IN MECHANICAL TRACTION VEHICLES : en es
  • ES156363A1 - DEVICE TO SUPPLY AND REMOVE MASS PARTS : en es
  • ES156723A1 - SPINNING PROCEDURE, ESPECIALLY OF GLASS THREAD, WITH DIRECT FORMATION OF SPINDLES THAT CAN BE SPREADSUCCESSED SUCCESSFULLY FROM THE INSIDE AND DEVICE FOR THEIR REALIZATION : en es
  • ES156771A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • FR880747A - Iodinated derivatives of cyclically substituted aliphatic acids and process for the preparation thereof : en fr
  • GB552345A - Improvements relating to control apparatus for colliery and other like winding engines : en
  • US2314904A - Polymerization of unsaturated compounds having the cyclopentadiene nucleus : en
  • US2315402A - Protein-modified aminotriazine-formaldehyde condensation products : en
  • ES156342A1 - COPPER SULPHATE MANUFACTURING PROCEDURE : en es
  • ES156574A1 - CLOSURE BY WIRE STRIP FOR GLASS BOTTLES INTENDED FOR COOKING AND BOOKING : en es
  • ES156783A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880524A - Cash register : en fr
  • GB552341A - Improvements in or relating to rotary pumps : en
  • DE733643C - Winding device for freshly spun rayon threads consisting of a bobbin and a bobbin holder : de en
  • GB552355A - Piezoelectric crystal apparatus : en
  • US2315178A - Cream separator : en
  • ES155766A1 - RECTIFICATION INSTALLATION CONTAINING DETENTION LAYER CELLS : en es
  • ES156522A1 - PROCEDURE AND APPARATUS FOR THE INDUSTRIAL EXTRACTION OF METAL MAGNESIUM BY MEANS OF THE CONDENSATION OF VAPORS ENGENDED BY THERMAL REDUCTION OF MAGNETIC MATERIALS : en es
  • US2315042A - Automatic electronic control system : en
  • US2315086A - Coin bank : en
  • US2315379A - Preserving perishables : en
  • DE733542C - Device for the production of envelopes provided with windows o. : de en
  • DK60736C - Measuring device for use by tailors. : da en
  • DE733540C - Method for intermeshing bevel gear pairs with intersecting axes and with teeth curved in the longitudinal direction on a machine for intermeshing bevel gears with intersecting axes : de en
  • DE733664C - Lock for single or multi-part sliding doors : de en
  • ES156421A3 - PROCEDURE FOR OBTAINING SYNTHETIC FORMOL : en es
  • US2314981A - Vibrator attachment for washing machines : en
  • ES156701A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FOGONES, STOVES AND OTHER ELECTRICAL HEATING APPLIANCES FOR INDUSTRIAL OR DOMESTIC USES : en es
  • US2315338A - Templet carrier for articulators : en
  • US2315341A - Thread cutter for looms : en
  • CA411526A - Dynamo electric machine or instrument : en fr
  • CH226352A - Fee collection device of a self-seller or cashier. : de en
  • FR880709A - Azo pigments manufacturing process : en fr
  • FR880572A - Electrodynamic power factor measuring instrument : en fr
  • ES156399A1 - INTERMEDIATE PLATE STRETCHED IN THE FORM OF COSATILLAS, PROPERLY OF WOOD, FOR THE MANUFACTURE OF PLATES, ESPECIALLY FURNITURE, DOORS, DIVERSE WOOD CONSTRUCTION PLATES : en es
  • US2315016A - Painless drilling dental instrument : en
  • ES155994A1 - TRANSPORTABLE INSTALLATION FOR THE REPRODUCTION OF MOVING OR SOUND FILMS : en es
  • ES156584A1 - PROCEDURE TO INSULATE PHOTOGRAPHIC FILMS : en es
  • US2315225A - Hose coupling : en
  • US2315320A - Automatic circuit-interrupting device : en
  • CH226374A - Automatic tire inflation device. : de en fr
  • US2315252A - Filter channel scraper : en
  • ES156201A1 - AXLE GROUP ELASTIC SUSPENSION SYSTEM : en es
  • ES156344A1 - PROCEDURE FOR OBTAINING HIGH IMPLANT MOLDS : en es
  • ES155810A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • GB552227A - Extrusion of synthetic polymeric materials : en
  • GB552313A - Improvements in and relating to synthetic resins : en
  • PL31516B1 - A sleeve for cigarette papers : en pl
  • PL31559B1 - : en pl
  • US2315240A - Display device : en
  • ES155846A1 - PROCEDURE FOR OBTAINING A NEW EXPLOSIVE : en es
  • US2314888A - Grade finishing machine : en
  • ES155976A1 - GASOGEN INSTALLATION TO SUPPLY AN INTERNAL COMBUSTION ENGINE : en es
  • ES156718A1 - CHEMICAL PROCEDURE FOR THE MANUFACTURE OF TRISODIC PHOSPHATE : en es
  • ES156260A1 - CARBIDE-BASED GAS SYSTEM : en es
  • DE733798C - Process for the production of carbon paper from highly porous tissue paper : de en
  • PL31500B1 - : en pl
  • SU62391A1 - Apparatus for removing the rotating crankshafts of motors from a state close to resonance : en ru
  • USD135377S - Cameron game device : en
  • PL31542B1 - : en pl
  • ES156078A1 - FRAME SYSTEM, ESPECIALLY INTENDED FOR VEHICLES AUTOMOVILES : en es
  • DE733783C - Transformer or inductor with a flattened voltage characteristic : de en
  • US2314920A - Multiplex television and facsimile system : en
  • US2315098A - Ski rigging for aircraft : en
  • US2315386A - Protective power system : en
  • DE733637C - X-ray tube anode : de en
  • SU62492A1 - Bottle capping machine : en ru
  • DE733546C - Arrangement of the propellant gas bottles for motor vehicles, especially buses, at the rear end of the vehicle : de en
  • DE733551C - Device for rounding pile ribbons : de en
  • FR880663A - New condensate products : en fr
  • US2315401A - Thermosetting aminotriazine-formaldehyde condensation product : en
  • ES156361A1 - SYSTEM FOR FLEXIBLE MINING ENTIBATION : en es
  • ES156529A1 - ARMOR BODY FOR AIRPLANES : en es
  • US2315426A - Solder pellet caster device : en
  • DE733761C - Process for displaying hydrochloric acid, acid chlorides or organic compounds containing chlorine in the air : de en
  • DE733853C - Pressurized gas cylinder : de en
  • DE730230C - Rohrrücklaufgeschuetz with fluid brake : de en
  • ES156752A1 - PROCEDURE FOR OBTAINING VIBROMED DERIVATIVES IN THE SULFAMIDE NUCLEUS : en es
  • US2314948A - Torsional vibration dampener : en
  • FR880694A - Processes for the preparation of 1-aryloxy-3-alkylamino-2-propanols and corresponding propanones : en fr
  • CH226397A - Process for the production of a condensation product. : de en
  • CH226401A - Hand rest for writing lessons. : de en
  • US2315183A - Dual carburetor : en
  • DE733869C - Cylinder piston for pressure fluid, especially for actuating clamping devices in machine tools : de en
  • CH226230A - Process for the electrolytic production of shiny surfaces on objects made of aluminum and its alloys. : de en
  • CH226195A - Process for increasing the surface rigidity of an insulating element formed by wires of vitreous material, device for its implementation and insulating element obtained by this process. : en fr
  • CH226358A - Circuit arrangement for telephone systems with main and sub-offices. : de en
  • AU588842A - Improvements in or relating to razorblade pack : en
  • US2315081A - Numbering machine : en
  • USD135333S - Design for a telephone operator s chair : en
  • SU62487A1 - The method of extraction of gold from ores and products of their processing : en ru
  • PL31595B1 - : en pl
  • US2315159A - Automatic inductive reactance for welding circuits : en
  • US2315276A - Pouncing machine : en
  • US2315357A - Ball-bearing annulus and method of making it : en
  • BE449166A - : en fr
  • US2315250A - Detachable spout : en
  • CH226281A - Equipment on tubes to facilitate the removal of the contents. : de en
  • PL31480B1 - : en pl
  • CH226275A - Jig attached to a hand saw. : de en
  • CH226364A - Closure on containers with a closure neck, such as tubes, bottles, canisters and the like. : de en
  • CH226196A - Process for the prevention of graphite deposits in the gas collecting space of gas and coke production ovens located above the charge and equipment on gas and coke production ovens for carrying out this process. : de en
  • CH226382A - Brake device on bicycles. : de en
  • AU498842A - Improvements relating to steam traps orthe like for elevating condensed water : en
  • CA411461A - Duplicating apparatus : en fr
  • ES155909A1 - INDUSTRIAL PROCEDURE TO TRANSFORM ACORN IN A SUBSTITUTE PRODUCT OF COFFEE : en es
  • ES156055A1 - FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES : en es
  • PL31557B1 - Device for shading glass roofs : en pl
  • PL31474B1 - : en pl
  • CA411545A - Rubber press pad : en fr
  • PL31468B1 - Company Rudolf Bogenschutz, Frankfurt n. M., Hochst Fuse with a fuse strip : en pl
  • AT160891B - Process for the preparation of estradiol or its 3-benzyl ether : de en
  • ES156629A1 - MANUFACTURING PROCEDURE OF CARBON AGGLOMERATES : en es
  • FR880605A - Process for preparing amines : en fr
  • BE449374A - : en
  • CH226302A - Ignition device on combustion engines with interrupter and ignition timing adjuster. : de en
  • US2315004A - Square : en
  • CH226186A - Dismountable, wooden silo for the preservation of green fodder. : de en
  • CH226185A - Warehouse with facilities for protection against rodents. : de en
  • DE733500C - Step switch for regulating transformers : de en
  • DE733841C - Process for the separation of condensable components from hot, dilute oil-vapor-gas mixtures, e.g. the reaction products of the hydrocarbon synthesis from carbon oxide and hydrogen : de en
  • ES155871A1 - DUCT DEVICE, ESPECIALLY APPLICABLE TO THE DISTRIBUTION OF AIR CONDITIONING : en es
  • DE733666C - Process for the production of a deformable mass for the extraction of masonry bricks : de en
  • FR880690A - Piton without net for fixing curled curtain rods : en fr
  • PL31554B1 - Method for the production of fluoranthene derivatives : en pl
  • PL31564B1 - : en pl
  • US2315008A - Telephone system : en
  • US2315075A - Selective delivery mechanism for conveyers : en
  • DE733862C - Water ring air pump of horizontal design for high performance : de en
  • ES156471A1 - PERFECTED SIZING APPARATUS : en es
  • GB552327A - An improved device for fixing paper notices and the like in position : en
  • DE733598C - Process for increasing the ability of growing yeast to multiply : de en
  • ES156445A3 - SHARPENING MACHINE FOR RAZORS : en es
  • BE449385A - : fr
  • DE733839C - Device for electric fall iron regulator : de en
  • ES156389A1 - IMPROVEMENTS INTRODUCED IN CLAMPS FOR FREZADORAS : en es
  • ES156698A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880649A - Process for the preparation of polycondensation products : en fr
  • AT160900B - Process for the preparation of new amino fatty acid amides or their quaternary ammonium salts : de en
  • CA411380A - Arc furnace electrode controlling means : en fr
  • CA411562A - Hydrocarbon production : en fr
  • AT160895B - Secondary electron multiplier with electron-permeable impact electrodes : de en
  • ES156640A1 - PROCEDURE FOR MANUFACTURING A GLASS CONTAINER : en es
  • US2315221A - Refrigerating apparatus : en
  • CA411485A - Fluid pressure producing device : en fr
  • CA411564A - Hydrocarbon separation from gases : en fr
  • CH226189A - Cooking stove with facility for hot water production. : de en
  • AU116727B2 - Improvement in bicycle driving gear : en
  • ES155894A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156415A3 - IMPROVEMENTS IN THE LININGS OR INTERNAL LININGS OF THE CYLINDERS OF COMBUSTION ENGINES : en es
  • FR880676A - Further training in acetylene generators : en fr
  • PL31552B1 - W 0 * 3 Jb tyO Seasoning for pickles and other food purposes and a method of making pickles and canned food with this spice : en pl
  • ES156264A1 - ROTATING GRILL FOR STAIRS FOR GASOGENS, CUBAN OVENS AND ANALOGY APPLIANCES : en es
  • ES156843A1 - IMPROVEMENTS IN SPARK PLUGS FOR INTERNAL COMBUSTION ENGINES : en es
  • FR880673A - Improvement in the manufacture of tubular textile sheaths used in the manufacture of tubes for fluid, semi-fluid or pasty materials : en fr
  • GB552305A - Improvements relating to percussive drills : en
  • GB552328A - Improvements in or relating to loud speakers and the like : en
  • CH226236A - High-pressure rotary machine, especially for commercial printing. : de en
  • ES156210A3 - ELECTROMAGNETIC SYSTEM APPLICABLE TO THE MOVEMENT OF THE WIPERS : en es
  • BE449261A - : en
  • CH226380A - Resilient fixing ring, in particular intended for fixing Bowden cables and electrical conductors to the frame of a bicycle. : en fr
  • DE726088C - Bogie for rail vehicles with two parallel transversely movable pendulum cradles : de en
  • US2315397A - Rolling attachment for motor vehicles : en
  • ES155832A1 - PROCEDURE OF LACTOBUTRIC AND CELLULOSOLITIC FERMENTATION OF THE RESIDUAL LIQUORS OF THE PAPER PASTE MANUFACTURE : en es
  • ES156140A1 - IMPROVEMENTS IN GASOGENS, PREFERABLY IN THE DESTINATIONS TO FEED MOTORS OF AUTOVEHICULOS : en es
  • ES156374A1 - DEVICE INTENDED TO COUPLED AN ELECTRICAL APPLIANCE, ADAPTED IN A LARGE FREQUENCY RANGE, TO THE INTERNAL RESISTANCE OF A GENERATOR : en es
  • ES156442A1 - MANUFACTURING PROCEDURE OF CARBONIFIER OVOIDS : en es
  • DE733694C - Process for the production of halogenated ketones : de en
  • ES156497A1 - IMPROVEMENTS IN THE MANUFACTURE OF HIGH VOLTAGE CABLES FOR IGNITION : en es
  • CA411478A - Alkaline detergent : en fr
  • ES156870A1 - RADIOELECTRIC EMITTER OR RECEIVER APPLIANCE CONTAINING VARIOUS VARIABLE ELEMENTS, EACH OF WHICH, WHATEVER THE FINAL DISPOSITION OF THE OTHER ELEMENTS IS, CAN BE CONDUCTED, BY A COMMON COMMAND TREE, IN SEVERAL POSITIONS FIXED IN ADVANCE : en es
  • FR880577A - Underground switch maneuver box : en fr
  • FR880617A - Process for removing nitrogen oxides from gas mixtures : en fr
  • USD135399S - Design fob a dress : en
  • ES156233A1 - DRIVE DISTRIBUTION DRIVE DEVICE FOR MOTORS : en es
  • ES156323A1 - PROCEDURE FOR THE PREPARATION OF METAL PLATES OTHER THAN THE CAN LEAF, INTENDED FOR THE PREPARATION OF METAL CONTAINERS FOR FOOD PRESERVES, ESPECIALLY MILK AND OTHER PRODUCTS IN GENERAL : en es
  • DE733864C - Process for the production of composite bodies from high and low melting metals : de en
  • DK60756C - Film camera. : da en
  • ES156769A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • US2315040A - Electric wave amplification : en
  • ES155967A1 - PROCEDURE FOR REDUCTION OF BENZOL DERIVATIVES WITH A SIDE CHAIN OF 2 OR 3 CARBON ATOMS NOT TAKEN AND CONTAINING A NITRATED GROUP, TO THE CORRESPONDING SATURATED AMINES FOR THE OBTAINING OF PHARMACEUTICAL PRODUCTS : en es
  • ES156861A3 - ICE CRUSHER : en es
  • FR880684A - Bicycle theft protection device : en fr
  • DE733764C - Self-seller for electricity, gas or the like for the operation with different coins : de en
  • CH226204A - Device for cleaning wall facades. : en it
  • US2315099A - Flashlight lamp : en
  • PL31491B1 - Masehinenfabrik Augsburg-Niirnberg A, G ,, Nuremberg Motor vehicle with two driven axles : en pl
  • PL31535B3 - C. Lorenz Aktiengesellschaft, Berlin-Tempelhof sj rjj /} Q / Connection system of the electric signaling device on a single-track railway crossing and a device with such a system : en pl
  • USD135365S - Design for( an atomizer : en
  • PL31483B1 - : en pl
  • US2315030A - Hinged connection, more particularly for binocular optical instruments : en
  • DE733621C - Support for rotating lathe core tips : de en
  • ES156378A1 - INSTALLATION TO CARRY PIEZXAS DE MASS FROM A MEANS OF TRANSPORT TO THE TAPE OF THE COCHURA OVEN : en es
  • ES155785A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • DE733754C - Process for the preparation of nitrogen-containing anthraquinone dyes : de en
  • ES156704A1 - GASOGEN ESPECIALLY INDICATED FOR MOTOR VEHICLES : en es
  • CA411363A - Curtain supporting and manipulating apparatus : en fr
  • ES156353A1 - METHOD FOR THE RECOVERY OF THE MERCURY OF MIXES OF THIS METAL WITH ARSENIOUS ANHYDRIDE, AS THE RESULTS IN THE TUNING OF ARSENICAL CINABRIES : en es
  • ES156741A1 - AUTORREDUCTOR TOPOGRAPHIC APPARATUS : en es
  • FR880725A - Ball joint device for pruning shears, scissors and other similar devices : en fr
  • CA411392A - Can black plate preparation : en fr
  • CA411508A - Automatic phonograph : en fr
  • ES155878A3 - SUPERGREASER TANK SYSTEM FOR GASOGEN : en es
  • PL31525B1 - The method of making boards from wood wool and cement binder : en pl
  • US2315127A - Resistance thermometer : en
  • DE733834C - Device for grinding the rake angle of dies : de en
  • DE733780C - Method of driving or flying in a prescribed direction and distance : de en
  • PL31600B1 - : en pl
  • US2314902A - Method for causing sprayed metal to adhere to metal surfaces : en
  • US2314898A - Fluted shank fastener : en
  • PL31537B1 - A method of obtaining black and white photographic images, not containing silver, e.g. on sheets for recording sound, and photographic material for carrying out this method : en pl
  • US2315077A - Method of treating slack wax : en
  • US2315172A - Means of atomizing liquids : en
  • US2315150A - Exit roll for galvanizing pots : en
  • ES156562A1 - IMPROVEMENTS IN GASOGENS : en es
  • DE733568C - Device for tempering elongated workpieces at one end : de en
  • DE733583C - Flexible coupling for shafts : de en
  • US2315480A - Method for reconditioning used solutizer solutions : en
  • ES156026A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156107A1 - SYSTEM OF MOLDED ELEMENTS APPLICABLE TO THE CONSTRUCTION OF WALLS : en es
  • ES156500A3 - PROCEDURE FOR TRANSFORMING VEGETABLE OILS SO THAT THEY ARE SUITABLE TO LUBRIFY THE CYLINDERS OF STEAM MACHINES : en es
  • FR880652A - Installation for the interior space reserved for travelers of land, sea or air vehicles : en fr
  • DE733699C - Device for controlling regulating transformers : de en
  • AU116731B2 - Improvement inthe manufacture of isoalloxazine derivatives : en
  • DE733728C - Process for controlling the contrast of the dye image in silver dye bleaching processes : de en
  • ES156312A1 - PROCEDURE FOR CONSERVATION OF VEGETABLE PRODUCTS DESCRIBED IN SIZE PIECES IN VARIABLE FORM COMPRESSED, UNDER ELPHORMATE OF TABLETS OF DIFFERENT SIZES AND COMPOSITIONS : en es
  • ES155922A1 - FRAME FOR SINGLE AXLE END TROLLEYS OF 3 AXLE ARTICULATED BOGIES FOR RAIL VEHICLES : en es
  • FR880539A - Elastic seal : en fr
  • ES155870A1 - PROCEDURE FOR THE PROTECTION OF LIGHT-SENSITIVE MATERIALS : en es
  • US2315253A - Filter bed cleaner with connected wash water boxes : en
  • DE733648C - Compressed air starting device for internal combustion engines : de en
  • ES156258A3 - PROCEDURE FOR THE MANUFACTURE OF HOLLOW CELLULOID ARTICLES, ESPECIALLY DOLLS, PARTS OF DOLLS AND OTHER TOYS : en es
  • FR880598A - Automatic firearm operating by barrel recoil : en fr
  • GB552258A - Improvements in the production of belting, bands, tapes and the like : en
  • CA411449A - Portable deck : en fr
  • ES156031A1 - PROCEDURE FOR THE MANUFACTURE OF A CONCENTRATE LIQUID COFFEE PREPARED WITH ESSENCE OF COFFEE AND A VEHICLE DERIVED FROM GRAPE MUSTS, BEE HONEY, FRUIT, CANE AND LIKE THE ALGARROBA, MIXTURES AND SUGARS : en es
  • ES156252A1 - POOR GAS GENERATOR WITH VEGETABLE CARBON : en es
  • FR880536A - Device for the spinning by melting of materials with high melting points : en fr
  • DE733871C - Postcard with address flap : de en
  • GB552302A - Improvements in or relating to filtering apparatus : en
  • ES156134A1 - ELECTROLUMINOUS AND SOUND NEMOTECHNICAL PROCEDURE, APPLIED TO INDIVIDUAL OR COLLECTIVE SCHOOL TEACHING, BY MEANS OF LITHOGRAPHED COLOR RECORDINGS : en es
  • ES156338A1 - TOY AIRCRAFT POWERED BY A ROPE MECHANISM AND PROVIDED OF A PICADO FLIGHT DEVICE : en es
  • FR880569A - Attachment device for headlight blinds, in particular vehicle headlights : en fr
  • FR880668A - Shielded electrical installation device : en fr
  • DE733830C - Elastic spring suspension, especially for motor vehicles : de en
  • ES155748A1 - TENSION ARRANGEMENT OF THE CONSUMERS OF CURRENT, ELECTRICAL INSTALLATIONS : en es
  • ES156048A1 - SYNCHRONIZING DEVICE FOR MARINE MOTOR MACHINES : en es
  • ES156885A1 - SYSTEM FOR THE EXPULSION OF PIROLEÑOSOS JUICES IN THE GASOGENS : en es
  • FR880670A - Further training in rod transmissions : en fr
  • GB552236A - Improvements in or relating to gauging devices : en
  • SU62580A1 - The method of balancing the N-shaped two-stroke internal combustion engines : en ru
  • ES156370A1 - SYSTEM OF SUSPENSION OF THE BOX OF TRANSPORTATION CARS PROVIDED OF ARTICULATED BOGIES : en es
  • ES155935A3 - MANUFACTURING PROCEDURE FOR BEARINGS AND OBJECTS BASED ON INTIMELY BOUND METAL PARTICLES : en es
  • ES155880A1 - PROCEDURE FOR OBTAINING CHROMIUM ACID SALTS DIRECTLY THROUGH WATER, FROM CHROME MINERALS, AS CROMITES, AND CHROME OXIDES CALCINATED TO TEMPERATURES ABOVE 400 DEGREES AND THE OBTAINING OF ALKALINE CHROMATOS AT TEMPERATURE ABOVE 1100 DEGREES BY CALCINATION, AND THE OBTAINING OF ALUMINUM, IRON AND MAGNESIUM SULFATES, FROM CHROME MINERALS DIRECTLY : en es
  • FR880512A - Primary disazo dyes and their preparation process : en fr
  • DK60757C - Automatic Coupling, especially for Trailers for Automobiles. : da en
  • US2315151A - Safety guard for punch presses and the like : en
  • US2315419A - Telegraph breaking system : en
  • ES155845A1 - INDUSTRIAL PROCEDURE THAT ALLOWS THE GELATINIZATION OF THE CELLULOSE : en es
  • ES156770A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • US2315319A - Single use tube and mount : en
  • ES156455A1 - PROCEDURE FOR OBTAINING AN INCOMBUSIBLE VARNISH : en es
  • ES156645A1 - DEVICE THAT INCLUDES A CONVERTER TUBE OF INCANDESCENT CATEGORY, WITH A GAS MOSAIC, STEAM OR BOTH, WHICH THE DISCHARGE PATH IS CUT BY A MAGNETIC FIELD : en es
  • DK60759C - Grinding machine, in particular Milling and polishing machine for footwear. : da en
  • ES156008A3 - MANUFACTURING PROCEDURE FOR BEARINGS AND SUPPORTS FOR ROTATING SHAFTS OR SHAFTS : en es
  • ES155733A1 - IMPROVEMENTS IN ROTARY ELECTRICAL SWITCHES OR SWITCHES : en es
  • ES156580A1 - IMPROVEMENTS IN GASOGEN HOUSEHOLDS : en es
  • ES155781A1 - PROCEDURE FOR OBTAINING SULFURED DYES : en es
  • CH226250A - Target device. : de en
  • ES156536A1 - PLOW WITH THE MUZZLE OF THE SUBSOIL OF SUROC FOR DEEP CULTIVATION : en es
  • ES156102A1 - STEAM ENGINE WITH ONE OR MORE EMBALS OF SINGLE EFFECT : en es
  • FR880562A - Liquid-cooled cylinder for two-stroke internal combustion engine : en fr
  • CA411487A - Fluorescent material : en fr
  • CA411561A - Hydrocarbon production : en fr
  • DE733624C - Device for the pretreatment of briquettes, in particular brown coal : de en
  • ES156225A1 - FUEL INJECTION PUMP, FOR EXPLOSION ENGINES, WITH REGULATION OF THE IMPULSION AND UNIFORM POWER SUPPLY : en es
  • ES156680A1 - PROCEDURE FOR OBTAINING A MATTER SIMILAR TO CARNAUBA WAX : en es
  • GB552298A - Improvements in or relating to multi-stage compressors : en
  • DE733820C - Air filters for internal combustion engines : de en
  • FR880644A - Remote transmission system : en fr
  • CH226215A - Method for producing cross embroidery on embroidery machines. : de en
  • CH226223A - Holders, in particular for overgowns. : de en
  • CH226241A - Magnifier with forced focusing. : de en
  • AU116735B2 - Improvements in or relating to razorblade pack : en
  • CA411479A - Alkaline detergent : en fr
  • CH226237A - Business copy book. : de en
  • ES156006A1 - PROCEDURE FOR TRANSMISSION OF MUSIC AND COMMUNICATIONS TALKED TO TRAINS, TRAMS AND OTHER VEHICLES INTENDED FOR THE TRANSPORTATION OF PASSENGERS : en es
  • ES156193A1 - PROCEDURE TO ADVANTAGE ADVANTAGEOUSLY SULFURIC ACIDS RESIDUALS : en es
  • ES156289A1 - PROCEDURE FOR THE ANAEROBIAN COOLING OF THE LINEN AND OTHER FIBROUS PLANTS : en es
  • ES156790A1 - AUTOMATIC SWITCHING DEVICE FOR THE DIRECTION OF MARKING OF THE PROPAGANDA EXHIBITION APPLIANCE TAPE : en es
  • ES156873A1 - IMPROVEMENTS IN GASOGENS USED IN AUTOMOBILES AND SIMILAR ENGINES : en es
  • CA411373A - Push toy : en fr
  • PL31592B1 - : en pl
  • US2314994A - Process for dewaxing lubricant stocks : en
  • US2315257A - Machine providing facilities for batting baseballs and driving golf balls : en
  • US2315373A - Process for forming light-polarizing images : en
  • DE733827C - Film camera with insertable film cassette : de en
  • ES155744A3 - PROCEDURE FOR THE MANUFACTURE OF TEXTILE INSULATORS FOR THE ELECTRICAL INDUSTRY : en es
  • ES155993A1 - PROCEDURE FOR THE MANUFACTURE OF INSECTICIDE MEDIA, FUNGICIDES FOR THE PROTECTION OF THE PALNTES : en es
  • ES156681A1 - PROCEDURE FOR THE PREPARATION OF GREASE OILS : en es
  • GB552353A - Fastening device : en
  • DE733591C - Bottle closure, especially with a ceramic cap : de en
  • ES155787A1 - IMPROVEMENTS IN WINDING MACHINES : en es
  • ES156411A3 - IMPROVEMENTS IN THE MANUFACTURE OF METAL DRUMS OR CONTAINERS : en es
  • DE733527C - Electric vacuum short-circuit furnace : de en
  • DE733691C - Process for the production of butadiene : de en
  • ES156126A1 - CHANGE OF SPEED OF CLUTCHES BY ELECTROMAGNETIC COUPLING : en es
  • ES156354A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2314864A - Convertible couch structure : en
  • US2315164A - Game : en
  • DE733610C - Process for the production of glow cathodes with high electron emission : de en
  • CH226211A - Thread guiding device on Kötzerspulmaschinen. : de en
  • DE733752C - Coil with line properties, the forward and return lines of which are wound in opposite directions : de en
  • ES155758A1 - APPARATUS TO FORM THE HELPS OF CARPENTER BARRELS : en es
  • ES156473A1 - ROTARY OR FIXED EXPLOSION ENGINE, PARALLEL CYLINDERS : en es
  • US2315359A - Nut fastening device : en
  • US2315456A - Call indicator : en
  • SU62457A1 - Cleaning method of used lubricating oil for internal combustion engines : en ru
  • AU123950B2 - Improvements relating *to flame traps for exhaust gases from internal combustion engines of air craft and other vehicles : en
  • AU563442A - Improvement inthe manufacture of isoalloxazine derivatives : en
  • CH226323A - Electric regulator. : de en
  • PL31478B1 - : en pl
  • CA411552A - Pivoted louver : en fr
  • CH226244A - Pencil. : en fr
  • CH226294A - Hydraulic converter. : de en
  • FR880612A - Spinning pump device applicable to rayon spinning looms : en fr
  • CA411474A - Ingot mould wiper strip : en fr
  • CH226321A - Electrical switch with rolling contacts. : de en
  • DE733742C - Process for the production of ceramic coiled tubing : de en
  • ES156083A1 - MACHINE TO MANUFACTURE HILO-TRAMILLA DE CAÑAMO : en es
  • DE733826C - Roll film camera : de en
  • AU601242A - Furnace charge distribution : en
  • AU116733B2 - Improvements in or relating to shock absorbers : en
  • AT160898B - Switching device for transmissions and clutches of motor vehicles : de en
  • CA411384A - Hydraulic coupling : en fr
  • CH226399A - Process for the preparation of copper tri (4) thiocyanophthalocyanine. : de en
  • CH226285A - Variable crank with hydraulic control device. : de en
  • PL31477B1 - : en pl
  • AU546342A - Improvements in or relating to shock absorbers : en
  • CH226303A - Starting device on internal combustion engines. : de en
  • CH226391A - Engine for aircraft. : de en
  • US2315206A - Automobile wheel locking assembly : en
  • CA411391A - Metal container : en fr
  • ES155987A1 - GASOGEN APPLIANCE APPLICABLE TO ALL KINDS OF AUTOMOBILE VEHICLES110242 : en es
  • CA411433A - Blasting cartridge shell : en fr
  • ES155997A1 - APPARATUS FOR MAKING PACKAGES WITH SHORT THREADS : en es
  • PL31560B1 - : en pl
  • PL31523B1 - : en pl
  • US2315472A - Manufacture of barium carbonate : en
  • CA411469A - Textile material sizing process : en fr
  • CH226325A - Device for controlling the torque-speed characteristic of repulsion motors. : de en
  • US2315146A - Multiple chain assembly : en
  • US2315458A - Work guide for saw tables : en
  • CH226268A - Process for the execution of fillet weld seams by electrical welding, in particular for the production of shaped iron : de en
  • CH226276A - Process for pressing or injecting plastic masses, in particular synthetic resins curable by means of heat, and apparatus for carrying out this process. : de en
  • ES156171A1 - PROCEDURE FOR WATERPROOFING TISSUES : en es
  • ES156531A1 - GASOGEN SYSTEM APPLICABLE TO MOTOR VEHICLES : en es
  • BE449027A - : en
  • CA411493A - Load position indicating device : en fr
  • US2315374A - Square wave generator : en
  • USD135342S - Welding electrode extruder cohering machine : en
  • CH226202A - Dishwasher. : de en
  • CH226309A - Device for regulating the operation of refrigerators serving refrigerating machines. : de en
  • US2314942A - Bomb lug protector : en
  • US2315388A - Television system : en
  • ES155752A1 - SEPARATION REGULATOR DEVICE FOR DISC MILLS : en es
  • ES156581A1 - IMPROVEMENTS IN FILTERS OF FABRICS, APPLICABLE TO GASOGENS FOR MECHANICAL TRACTION VEHICLES : en es
  • FR880518A - Process for the constitution of collages on sound films in color : en fr
  • FR880745A - Security padlock : en fr
  • US2315163A - Ore pocket clearing means : en
  • US2315207A - Firearm : en
  • CA411548A - Folding umbrella : en fr
  • DE733552C - Process for the recrystallization of explosives : de en
  • ES156275A1 - SOUND SUPPORT IN THE FORM OF TAPE WITHOUT FON WITH SONORA WRITING MECHANICALLY REPRODUCED : en es
  • US2315026A - Electric hand lamp and the like : en
  • ES156013A1 - PROCEDURE FOR THE REPRODUCTION OF SOUNDS AND THE HUMAN VOICE INSIDE TRAVEL TRANSPORTER VEHICLES : en es
  • USD135373S - Design for, a dress : en
  • US2315115A - Adjustable bridge for goggles : en
  • US2315313A - Cavity resonator : en
  • ES156040A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FLOORS FORMING VIGUETAS BY THE UNION OF SPECIAL BRICKS : en es
  • ES156397A1 - HOT GAS DER GAS : en es
  • GB552266A - Improvements in or relating to aircraft landing gear : en
  • PL31575B1 - : en pl
  • ES155749A1 - IMPROVEMENTS IN THE TRANSFORMATION OF AUTOMOTIVE GASOLINE IN ELECTRIC : en es
  • ES155906A1 - IMPROVEMENTS IN GASOGENS : en es
  • FR880552A - Process and installation for the manufacture of tires : en fr
  • FR880526A - Sulfuriferous dyestuff manufacturing process : en fr
  • GB552224A - Improvements in the remote control of radio receivers : en
  • ES155896A1 - CENTRIFUGE MACHINE FOR THE DAIRY INDUSTRY, INTENDED FOR THE CONTINUOUS ELABORATION OF LECHEY PRODUCTION OF LUNCH : en es
  • ES156089A3 - PROCEDURE FOR OBTAINING APPLES POWDER : en es
  • ES156705A3 - OPTICAL MANUAL, ELECTRIC OR AUTOMATIC OPERATION PROCEDURE FOR A GAME ANALOGUE TO THE CALL OF THE LOTTERY : en es
  • DE733681C - Method and device for dressing profiled grinding wheels for face gears with helically wound involute teeth : de en
  • ES156496A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • DE733732C - Flexible trigger for parachute pack locks : de en
  • ES156232A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156711A1 - GAS GENERATOR EQUIPMENT FOR EXPLOSION ENGINES : en es
  • US2315220A - Process for the manufacture of polyazoic dyestuffs : en
  • US2315434A - Transmission system : en
  • USD135376S - Design for an ash teay : en
  • DE733808C - Process for the production of hormone-active substances : de en
  • DE733868C - Three-wheel gear pump for internal combustion engines : de en
  • ES156211A3 - PERFECTED PROCEDURE AND APPARATUS FOR THE PURIFICATION BY FILTRATION OF GAS AND, PARTICULARLY OF GASOGEN GAS AND INSTALLATION FOR THE APPLICATION OF THE SAME : en es
  • FR880672A - Improvements to processes and products for sizing textile yarns : en fr
  • ES155828A1 - PROCEDURE FOR PROCUREMENT OF THE SENSITIVE AMTERIAL EMPLOYED IN THE PRODUCTION OF CINEMATOGRAPHIC TAPES OR FILMS : en es
  • ES155740A1 - A TROLE : en es
  • FR880566A - Method and device for recovering gasoline residues retained in filter cakes, in particular in filter bags, during the extraction of oils from oleaginous fruits : en fr
  • ES155735A3 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC HEATING ELEMENTS BASED ON LOW VOLTAGE METALLIC RESISTANCES AND GRAM INTENSITY : en es
  • ES156269A1 - IMPROVEMENTS IN THE UNION OF BOXES OF ARMS OF THIN WALLS WITH THE SUPPORT OF THE WEAPON : en es
  • DE733772C - Method and device for dewatering of grainy material through an uninterrupted spinning process : de en
  • US2315238A - Indicator gauge construction : en
  • DE733605C - Electric toggle switch : de en
  • FR880722A - Device for locating lines of text to be copied : en fr
  • US2314915A - Measuring tape : en
  • USD135387S - Design fob a badge ob the like : en
  • ES156238A1 - MULTIPLE CARBURETTOR FITS COMBUSTION ENGINES : en es
  • ES156532A1 - INSURANCE DEVICE FOR BIKES AND SIMILARS : en es
  • GB552273A - Improvements in electric cables : en
  • GB552349A - Improvements in or connected with seats, chairs and the like : en
  • DE733572C - Device on shelves for adjusting the shelf supports : de en
  • US2314984A - Carbonating apparatus : en
  • US2315354A - Laundry drier : en
  • DE726538C - calender : de en
  • ES156245A1 - VEHICLE FOR ANY CLASS OF FIELD WITH 2 OR SEVERAL SWIRING AXLES SUSPENDED THROUGH SPRINGS OF ROTATING ROD : en es
  • GB552299A - Improvements in or relating to multi-stage compressors : en
  • USD135378S - Design for a pocket stereoscope : en
  • ES156830A3 - COMBUSTION ENGINE, WITH PRESSURE AIR SUPPLY : en es
  • PL31602B1 - : en pl
  • FR880503A - Series of metal resistant elements, of different value : en fr
  • ES156609A1 - AUTOMATIC PROPULSOR HANDLE FOR AIR-REGULATED DRIVING, FROM HALF POINT TO HALF POINTS AND GENERAL POINT GENEROES : en es
  • ES156641A1 - IMPROVEMENTS IN GAS PRESSURE REDUCERS : en es
  • ES156672A1 - IMPROVEMENTS INTRODUCED IN THE PROCESS OF FABRIATION OF DENTURES : en es
  • DE724226C - Device for stirring and temperature measurement of melts : de en
  • DE733784C - Step switching device for regulating transformers : de en
  • DE733812C - Tube arrangement for generating ultra-short waves : de en
  • ES156296A3 - 140242 : en es
  • ES156665A1 - MANUFACTURING PROCEDURE FOR A WHEEL DISC BODY : en es
  • ES156552A3 - ELECTRIC PROJECTOR APPARATUS : en es
  • ES156127A1 - TRANSMISSION SPECIALLY INTENDED FOR MOTOR VEHICLES OF HYDRODYNAMIC CLUTCH : en es
  • ES156751A1 - ELECTROSTATIC LIGHT MODULATOR FOR THE RECORDING OF SOUND IN CINEMATOGRAPHIC FILMS : en es
  • FR880584A - Manufacturing process, starting from sheets based on thermoplastic synthetic resins, of objects composed of cut and welded parts : en fr
  • FR880646A - Four-strand star cable for carrier frequencies : en fr
  • GB552226A - Improvements in or relating to mechanism for use in paving : en
  • US2315137A - Radiosonde pressure element : en
  • ES155884A1 - MACHINE WITH PERMANENT MAGNETIC EXCITATION : en es
  • ES156606A1 - PROCEDURE FOR CONCRETIONING IRON MINERALS : en es
  • FR880682A - Advanced acetylene generator for powering engines and other applications : en fr
  • FR880674A - Movable towing hook : en fr
  • FR880689A - Cultivation device for simultaneously rolling and sowing fertilizer and grain : en fr
  • DE733753C - Process for the production of Kuepen dyes of the diphthaloyl fluoranthene series : de en
  • ES156605A1 - DEVICE THAT ALLOWS TO TRANSMIT HIGH OR VERY HIGH FREQUENCY OSCILLATIONS : en es
  • ES156886A1 - IMPROVEMENTS IN THE MANUFACTURE OF SLIDING CLOSURES : en es
  • ES156322A1 - GASOGEN APPLIANCE APPLICABLE TO ALL KINDS OF EXPLOSION ENGINES : en es
  • US2315314A - Nicotine derivative : en
  • ES156085A3 - AUTOMATIC RIVETER : en es
  • FR880574A - Device for fixing the blades of blade frequency meters : en fr
  • ES156235A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2315366A - Converting bulk compound into vulcanized sponge rubber : en
  • ES156039A1 - IMPROVEMENTS MADE IN THE MANUFACTURE OF FLOORS, FORMING CROSS-ARMED JOISTS, USING CONCRETE AND SPECIAL BRICKS : en es
  • ES156510A3 - REFINING PROCESS TO RECOVER AND IMPROVE MINERAL OILS AND LUBRICANTS : en es
  • DE733567C - Incombustible hood to delay the burning of briquettes : de en
  • ES155811A1 - IMPROVEMENTS IN THE MANUFACTURE OF THE COMPLETE OR DOUBLE SETS OF KNOBS, CRANKS, HANDLES OR HANDLES, WHICH ARE OWN TO OPERATE FROM THE OUTSIDE OR ON BOTH SIDES, THE LOCKS OF THE DOORS AND WINDOWS : en es
  • ES156502A1 - AUTOMATIC TRIP MECHANISM AND BRAKE FOR GUILLOTINES : en es
  • GB552231A - Improvements in or relating to timers for x-ray photographic apparatus : en
  • US2315288A - Apparatus for and method of generating television signals : en
  • PL31572B3 - Device for blood transfusion : en pl
  • CH226315A - Permanent magnet system for multiphase generators. : de en
  • CH226348A - Process for the preparation of 2- (para-amino-benzenesulfonamido) -pyridine. : en fr
  • ES155872A1 - PROCEDURE FOR OBTAINING SUBSTRACTIVE POSITIVE FILMS IN VARIOUS COLORS : en es
  • ES155764A3 - IMPROVEMENTS IN THE MANUFACTURE OF CERAMIC PRODUCTS IN GENERAL : en es
  • ES155812A1 - IMPROVEMENTS IN THE MANUFACTURE OF HYGIENIC PAINTS WITH RACHEL MACHINES : en es
  • ES156563A3 - PROCEDURE AND CORRESPONDING DEVICE FOR THE MANUFACTURE OF GLASS WIRE AND MINERAL WOOL : en es
  • ES156806A1 - DEVICE FOR OBTAINING MAGNESIUM : en es
  • DE733860C - Directional emitter arrangement for directed oncoming traffic on ultra-short waves : de en
  • DE733550C - Straightener handwheel : de en
  • US2315188A - Method of treating basic lead sulphate : en
  • ES155793A1 - PROCEDURE FOR THE REALIZATION OF AN INDIRECT WARMING CATEGORY : en es
  • US2315241A - Brake : en
  • ES156669A1 - PROCEDURE OF ENGRAVING APPLICABLE TO THE REALIZATION OF NETWORKS, FOR EXAMPLE THE OPTICAL SELECTORS : en es
  • US2315121A - Electromechanical paint remover : en
  • USD135332S - orneys : en
  • ES155739A3 - IMPROVEMENTS IN THE INJECTION PUMPS : en es
  • ES156182A1 - DEVICE TO HOLD AUTOMATICALLY ON A ROLLER : en es
  • US2315055A - Screen cloth : en
  • CA411423A - Frequency conversion system : en fr
  • CA411550A - Progressive slide separator : en fr
  • ES156568A1 - PROCEDURE FOR THE PREPARATION OF HEAT INSULATING MASSES : en es
  • ES156689A1 - MECHANICAL PUNCTURE FOR MINES : en es
  • GB552289A - Improvements relating to the fuel supply of internal combustion engines : en
  • DE733587C - Method for determining the copy light composition for copying color photographs : de en
  • ES156313A1 - IMPROVEMENTS IN STOVES FOR AMDERA OR ANALOG HEATING APPLIANCES : en es
  • ES155742A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC CABLE HAIR DRYERS : en es
  • ES156799A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880681A - Improvements to shielded electric heating resistors : en fr
  • ES156733A1 - LIGHT SOURCE, ESPECIALLY AN ELECTRIC SHOCK LAMP : en es
  • DE733535C - Method for mixture control of injection gasoline engines with high overlap of the control times : de en
  • DE733800C - Process for making layerless photosensitive films : de en
  • ES155971A3 - PROTECTION PROCEDURE FOR WIRED ELECTRICAL RESISTORS : en es
  • ES156444A3 - SHAVING BLADE POLISHING MACHINE : en es
  • FR880514A - Tray column : en fr
  • ES156167A1 - ROLLER OF ROLLING : en es
  • ES156864A1 - AQUATIC SLIDER OF PROPULSION TO PEDALS : en es
  • ES155962A1 - PROCEDURE FOR THE MANUFACTURE OF ELECTROTHERAL ELEMENTS CONSTITUTED BY A SUPPORT OF INSULATING SUBSTANCE WITH FAJAS OR METALLIZED ZONES OF ADEQUATE ELECTRICAL RESISTANCE : en es
  • FR880613A - Device applicable to a main friction clutch arranged in a gearbox and disengaged by pressurized oil, in particular for motor vehicles : en fr
  • GB552330A - Improvements in or relating to soft solders : en
  • US2315168A - Method of producing lactic acid esters : en
  • GB552300A - Improvements in or relating to pyrogenous igniters : en
  • GB552358A - Improvements relating to the driving-gear of internal combustion engines : en
  • ES156108A1 - ELECTRICALLY POWERED TURBOMAIN, PROTECTED AGAINST HAZARDOUS OR INFLAMMABLE GAS EMISSIONS : en es
  • ES155978A1 - GASOGEN FOR THE SUPPLY OF EXPLOSION ENGINES : en es
  • ES156244A1 - SYSTEM OF REINFORCED CONCRETE WINDOWS, SOLID, OF DOUBLE PROFILE T : en es
  • ES156384A3 - STAINLESS STEEL WRITING PENS MANUFACTURING PROCEDURE : en es
  • ES156545A1 - SYSTEM OF CONSTRUCTION OF AN ARMED CONCRETE BODY WITH PROTECTIVE ARMOR AGAINST PROJECTILES : en es
  • ES156801A1 - PROCEDURE FOR THE MANUFACTURE OF PURE OR CARBIDE METALLIC POWDERS : en es
  • US2315454A - Press for cutting sheet metal : en
  • US2315256A - Punching and cutting machine : en
  • DE733807C - Production of polymeric metaphosphoric acids : de en
  • US2315239A - Door securing mechanism : en
  • USD135393S - Weinger etal correspondence portfolio : en
  • GB552222A - Improved method of treating carriers for optically-reproducible sound and like oscillation records : en
  • GB552290A - Improvements relating to gelatine coating compositions and materials coated therewith : en
  • DE733720C - Free-flight piston compressor with control of an outlet valve on the compressor cylinder : de en
  • DE733750C - Process for the production of tetrachloroethane : de en
  • ES156287A1 - PROCEDURE FOR OBTAINING LANGUAGES FOR NOTES FROM HARMONIES AND OTHER MUSICAL INSTRUMENTS : en es
  • ES156586A1 - PROCEDURE FOR MANUFACTURING LEATHER REGENERATED IN LEAVES : en es
  • USD135361S - Design for a hand grenade : en
  • ES156517A3 - STOVE SYSTEM, ENGLISH TYPE, TOWNHOUSE TO WALLS : en es
  • CH226218A - Auxiliary device on machines for making stockings. : de en
  • US2315134A - Well control head : en
  • PL31484B1 - : en pl
  • PL31467B1 - : en pl
  • PL31589B1 - : en pl
  • US2314891A - Projectile : en
  • US2314894A - Process of preparing nitriles : en
  • CA411382A - Two-stroke engine : en fr
  • CH226314A - Rolling contact. : de en
  • ES156060A1 - PROCEDURE FOR WATERPROOFING AND HARDENING OF CONCRETE : en es
  • ES156308A1 - IMPROVEMENTS IN DOMESTIC FACILITIES ELECTRICAL SOCKETS FOR TEMPERED OR HOT WATER SERVICE : en es
  • ES156468A1 - APPARATUS TO LIMIT TEETH IN THE TAPE SIERRIES : en es
  • FR880677A - Fuel gas mixer for internal combustion engines : en fr
  • PL31596B1 - Fried. Krupp Aktiengesellschaft, Essen Hard alloy shape : en pl
  • US2315011A - Internal combustion engine : en
  • PL31601B1 - : en pl
  • PL31528B1 - A method of preparing a mixture of materials for the production of cement : en pl
  • US2314974A - Safety match packet : en
  • ES156449A1 - GENERATOR PIPE OF AIR FORCE EXTINGUISHER : en es
  • DE733786C - Electric mixed light lamp, consisting of a gas discharge tube with glow electrodes heated by the discharge, a glow wire connected in series with this tube and forming its series resistance, as well as an outer shell enclosing the discharge tube and the glow wire in a gastight manner : de en
  • CA411443A - Refrigeration apparatus : en fr
  • US2315080A - Process for manufacture of viscous polymers : en
  • ES156203A3 - APPARATUS INTENDED FOR THE EXTRACTION OF BLOOD AND OTHER PATHOLOGICAL HUMAN LIQUIDS : en es
  • FR880520A - Mounting parts for self-cocking and automatic photographic shutters : en fr
  • FR880712A - Sound-to-light translator device : en fr
  • US2314912A - Stationary induction apparatus : en
  • DE733481C - Measuring device for the determination of gas pressures, especially those of gas flows of low and very low speed : de en
  • ES156836A3 - PROCEDURE FOR OBTAINING DEXTROTARTARIC ACID : en es
  • ES156204A1 - IMPROVEMENTS IN THE FABIRCACION DE NAVAJAS : en es
  • US2314999A - Motor : en
  • US2315021A - Lawn rake and method of manufacture thereof : en
  • USD135356S - Design for a stuffed toy animal unit : en
  • US2314975A - Method of treating thermoplastic materials and resulting product : en
  • US2315108A - Wire feeder for nail machines : en
  • DE733674C - Distance time relay for protecting electrical systems : de en
  • ES156847A1 - PROCEDURE FOR TRANSFORMATION OF VEGETABLE FIBERS ENOUGH IN FINAS : en es
  • ES156162A3 - PROCEDURE FOR THE MANUFACTURE OF A BEVERAGE BASED ON GRAPE JUICE : en es
  • US2315398A - Resilient mounting : en
  • ES156512A1 - IMPROVEMENTS IN THE MANUFACTURE OF SPECIAL COPPER ALLOYS, RICH IN CINC, FOR FUTURE FUSION. AND MOLDING MACHINERY PIECES : en es
  • ES6806Y - Razor. : en es
  • DE733799C - Device for reducing the scattered rays falling on the image layer during X-ray recordings : de en
  • ES156430A1 - PROCEDURE FOR MANUFACTURING FEED FOR LIVESTOCK, ESPECIALLY FOR LEHCERAS COWS : en es
  • ES155995A1 - PROCEDURE FOR THE ELABORATION OF SODIUM SULPHATE : en es
  • ES156236A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156379A1 - PROCEDURE FOR THE MANUFACTURE OF DISINFECTANT PRODUCTS : en es
  • ES156469A1 - IMPROVEMENTS IN NEW GENERATORS OF POOR GAS WITH CARBON VEGETAL, FOR MOTOR VEHICLES : en es
  • FR880732A - Finger holders for chucks : en fr
  • ES156262A1 - IMPROVEMENTS INTRODUCED IN ANTI-SLIP APPLICATIONS : en es
  • ES156615A3 - ELECTRICAL FLUID INTENSITY VARIATOR APPARATUS, FOR DIFFERENT USES, AND PARTICULARLY REGULAR THE SPEED OF ELECTROMOTORS : en es
  • CA411385A - Tent : en fr
  • USD135401S - Design for a loud-speaking telephone : en
  • US2315160A - Neurological unit : en
  • CA411497A - Electromagnetic relay : en fr
  • DE733661C - Springless lock for handhole covers on aircraft : de en
  • ES155806A1 - DEVICE FOR PRINTING BANDS OR FABRIC PARTS BY THE STAMPING PROCEDURE BY PATTERNS : en es
  • ES156835A1 - APPARATUS DEPURADOR OF GASES FOR GASOGENOS AND GENERATORS OF GAS IN GENERAL : en es
  • USD135367S - Design for a badge or similar article : en
  • US2314957A - Method of making artificial teeth : en
  • US2315047A - Truck : en
  • US2315189A - Wire producing mechanism : en
  • SU62555A1 - Cylinder rolling tool for automotive engines : en ru
  • US2314913A - Silk screen printing : en
  • US2315376A - Dispenser : en
  • US2315326A - Surgical instrument : en
  • DE733802C - Mold for briquette extrusion : de en
  • DE733659C - Release device for clamping couplings for crank or eccentric drives of presses and shears : de en
  • PL31531B1 - : en pl
  • US2315109A - Drip meter : en
  • US2315113A - Television projection system : en
  • US2315171A - Adjustable characteristic control valve : en
  • CH226379A - Wheel. : de en
  • GB552344A - A machine for loading coal on to a conveyor at a coal face, or for other like purposes : en
  • FR880713A - Improvements to hydraulic rotating torque transmitters : en fr
  • GB552319A - Improvements in and relating to the production of ethylene and ethylene chlorhydrin : en
  • SU62397A1 - The method of obtaining the mixture for cermet hard alloys : en ru
  • US2315093A - Resistance electric welding machine : en
  • DE733774C - Process for the production of melamine : de en
  • CH226406A - Pupinized telecommunication cables, especially submarine cables. : de en
  • ES156541A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156749A1 - VARIOMETER, PARTICULARLY FOR THE TUNING OF THE ANTENNA CIRCUIT FOR RADIO APPLIANCES : en es
  • FR880685A - Controlled flow oil lubricator : en fr
  • FR880714A - Fuel injection pump in internal combustion engines : en fr
  • ES155912A1 - ANTENNA ADAPTER APPLIANCE FOR ULTRACORTO WAVES : en es
  • ES156797A1 - GASOGEN GAS CLEANER ELEMENT : en es
  • ES155776A1 - PROCEDURE FOR OBTAINING VITAMIN B : en es
  • ES156305A1 - AIRPLANE SUPPORTING WING WITH FIXED FRONT WING : en es
  • ES156090A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SMALL ENGINES, ESPECIALLY SMALL SYNCHRONOUS ENGINES : en es
  • FR880561A - Antenna for emission or reception of directed extra-short waves : en fr
  • CH226259A - Bill of consumption meter. : de en
  • ES156092A1 - MANUFACTURING PROCEDURE OF CARBON OVOID AGGLOMERATES : en es
  • US2315236A - Supporting hood for inlet and manhole covers : en
  • US2315279A - Focal plane shutter for cameras : en
  • SE106984C1 - : en
  • US2315482A - Hydrocarbon fuel burner : en
  • DE733537C - Pressure-relieved control valve with single-seat valve disc : de en
  • ES156132A1 - DEVICE ADAPTABLE TO ALL KINDS OF GASOGENS, INTENDED FOR THE ELIMINATION OF ASHES OR SCENTS : en es
  • ES156688A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • CA411364A - Rotary valve lubricating device : en fr
  • CA411516A - Ammunition : en fr
  • DE733702C - Process for the production of indigoid dyes : de en
  • US2315271A - Display tray : en
  • CA411549A - Heated work piece sustaining apparatus : en fr
  • US2315308A - Method and means for transmitting frequency modulated signals : en
  • US2315213A - Variable pitch propeller : en
  • USD135335S - Design for a compact or similar article : en
  • US2314890A - Flexible hose coupling : en
  • ES155911A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF WOODEN SHOES, BY MEANS OF ARTICULATED SYSTEM : en es
  • DK60760C - Apparatus for cleaning the veil of textile fabric for metallic parts from card machines to rollers. : da en
  • CA411365A - Fuse light : en fr
  • DK60746C - Closure. : da en
  • US2314900A - Automatic fuel system having automatic safety switches : en
  • US2315247A - Fish lure : en
  • CA411395A - Textile fabric colouring composition : en fr
  • CA411511A - Vitreous enamel charging and smelting apparatus : en fr
  • US2315328A - High silica glass article : en
  • US2314923A - Spring structure : en
  • US2315145A - Vaned projectile : en
  • US2315262A - Electric switch : en
  • US2315306A - Thread tensioning mechanism : en
  • CA411439A - Tanning process : en fr
  • US2314906A - Time control apparatus : en
  • ES155756A3 - PROCEDURE FOR THE MANUFACTURE OF ETHYL ALCOHOL, BASED ON TURBS AS RAW MATERIAL : en es
  • FR880542A - Loading device for drawing benches of spinning machines : en fr
  • US2314892A - Humidifying system : en
  • US2315234A - Typographical slug casting machine : en
  • DE733613C - Manufacture of red lead over lead glass from metallic lead : de en
  • BE449264A - : fr
  • ES156579A3 - STRAP FOR RAKES : en es
  • CH226394A - Apparatus for cleaning and polishing floors. : de en
  • CH226337A - Ignition device for gas or vapor-filled discharge vessels. : de en
  • DE733588C - Device for dynamic stabilization of aircraft : de en
  • CA411521A - Diameter gauging apparatus : en fr
  • CH226194A - Device to be attached to clothing to prevent theft of the same. : de en
  • CH226245A - Ski binding. : de en
  • DE733646C - Thermal insulation body : de en
  • DE733858C - Arrangement for alternating current number selection : de en
  • CA411362A - Corrosion preventing solution : en fr
  • ES155746A1 - IMPROVEMENTS INTRODUCED IN NEGATOSCOPIC STEREOSCOPIC APPARATUS : en es
  • ES156476A3 - MACHINE TO SEW OR ATTACH DOCUMENTS AND PAPERS OF ANY KIND : en es
  • SU62436A1 - Method for producing halo-amino-anthraquinones : en ru
  • CH226326A - Protective device on completely closed devices, e.g. B. on electrical machines and apparatus. : de en
  • CH226331A - High-voltage discharge vessel with metal wall. : de en
  • US2315177A - Brush mounting : en
  • US2315459A - Textile printing apparatus : en
  • PL31582B1 - : en pl
  • ES155786A1 - AIR REFIRGERATION NOZZLE : en es
  • CA411510A - Vitreous enamel melting and fining method : en fr
  • CH226283A - Tobacco pipe. : de en
  • DE733611C - Device for making corpuscular rays visible : de en
  • DE733685C - Two-rail chassis, especially for excavators, stackers, conveyor bridges and similar heavy equipment : de en
  • ES156477A3 - AUTOMATIC COUNTER TO MEASURE DISTANCES IN ANY OF ITS ASPECTS WITHOUT THE NEED TO USE METRIC TAPES : en es
  • US2314925A - Portable thermograph : en
  • US2315196A - Container holding mechanism : en
  • PL31533B1 - Compagnie Internationale Des Pieux Armes Frankignoul, Societe Anonyme, Leodium. .- / Shoe for making molded concrete piles easier : en pl
  • SU62489A1 - Apparatus for making concrete products : en ru
  • PL31489B1 - Kazimierz Calkosinski, Warschau, Jan Haciay Kepno and Józef Sikora, Kepno Device for applying and removing tires from wheels : en pl
  • US2315103A - Antiglare window pane : en
  • CA411414A - Telephone impulse sending arrangement : en fr
  • US2314997A - Method of improving the adhesion of rubber to cotton : en
  • US2315332A - Thread tensioning mechanism : en
  • US2315365A - Auxiliary door construction : en
  • US2314918A - Bottle capping machine : en
  • ES156742A1 - ELECTRIC AUTHENTICATING OVEN, INTENDED FOR THE FUSION OF GLASS AND FOR THE PRODUCTION OF GLASS WOOL, WHICH ALLOWS TO OBTAIN DIFFERENT TEMPERATURES IN DIFFERENT POINTS OF THE FLUID GLASS MASS AND A CONTINUOUS ENGINE FEEDING : en es
  • DE733703C - Device for continuous measurement of the pressure in unopened blood vessels or the like. : de en
  • GB552288A - Fluid pressure motors and window operating mechanism incorporating the same : en
  • ES156436A1 - PROCEDURE FOR OBTAINING A PRODUCT FOR WASHING CLOTHING AND CLEANING KITCHEN UTENSILS : en es
  • FR880700A - Process of agglomeration of a detergent soil to use it in a solid form as a replacement for soaps and bars of soap : en fr
  • DE731717C - Light filter arrangement on an image converter intended for spark light cinematography with screen image photography : de en
  • ES155917A1 - SOUND AND VISUAL END OF LEAF NOTICE DEVICE : en es
  • ES156499A3 - TRIANGLE STAR SWITCH WITH NULL VOLTAGE DEVICE : en es
  • ES156683A1 - CARBURETTOR ENGINE PROVIDED WITH AN INJECTION DEVICE THAT ALLOWS IT TO OPERATE ON A CHOICE WITH CARBURETOR OR INJECTION, ESPECIALLY INTENDED TO FACILITATE THE STARTING OF MOTOR VEHICLE MOTORS : en es
  • ES156855A1 - IMPROVEMENTS INTRODUCED IN CORRECTING DEVICES DUE TO THE PRESSURE OF RUMBO GIROCOPIC INDICATORS, IN THE APPLIANCES THAT HAVE INSTALLED A TELEBRUJILLA OF THE TYPE OF TRANSMISSION BY DEPRESSION OR AIR PRESSURE : en es
  • ES156459A1 - ELECTRICAL HEATING SYSTEM FOR LIQUID : en es
  • ES156758A1 - IMPROVEMENTS IN ROTARY PUMPS : en es
  • ES156878A1 - CARBONIZATION OVEN : en es
  • FR880573A - Tubular electrode device for measuring ion concentration : en fr
  • ES156814A1 - PROCEDURE FOR THE USE OF THE LSO FRUTOS HUSKS AND BONES : en es
  • US2315063A - Addition agent for lubricating oils : en
  • CA411530A - Emergency flexible coupling support : en fr
  • US2315387A - Carrier attachment for vehicles : en
  • CH226327A - Device for earth fault protection of a direct current network fed by controllable discharge cells connected in series. : de en
  • US2314881A - Quick release aerial delivery unit : en
  • US2315084A - Attrition mill : en
  • US2315054A - Finger grip wiper for bowling balls : en
  • CH226356A - High frequency barrier in the course of a high voltage line. : de en
  • ES156860A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • CH226342A - Electrode arrangement on salt bath furnaces. : de en
  • CA411463A - Electric welding apparatus : en fr
  • US2315317A - Casing for chain belt and like transmissions : en
  • CH226248A - Toy plane. : de en
  • CA411488A - Bag filling and weighing machine : en fr
  • CH226273A - Process for the heat treatment of objects made of an aluminum alloy. : de en
  • CH226301A - Reversible two-stroke opposed piston internal combustion engine. : de en
  • US2315009A - Telegraph orienting device : en
  • US2315233A - Washbasin : en
  • CA411406A - Electrically bonded rail joint : en fr
  • CH226179A - Stable. : en fr
  • CH226214A - Needle for sewing machines, embroidery machines, etc. : de en
  • US2314878A - Screen : en
  • CA411480A - Alkaline detergent : en fr
  • CH226238A - Light meter attached to and coupled to a photographic camera. : de en
  • SU62605A1 - The method of extraction of sulfur dioxide from industrial gases : en ru
  • PL31540B1 - : en pl
  • US2315022A - Apparatus for treating materials : en
  • US2315260A - Rearview mirror : en
  • US2315481A - Method and apparatus for degasifying liquids : en
  • DE733509C - Device for cooling the rolls of multi-roll mills : de en
  • ES156636A1 - STORAGE SYSTEM FOR CISCO OR PICON : en es
  • PL31548B1 - : en pl
  • US2315057A - Solvent treating process : en
  • US2315085A - Fluid delivery apparatus : en
  • PL31583B1 - : en pl
  • US2314940A - Electrostatic ore-concentration : en
  • DE733538C - Lever clamping drilling device : de en
  • ES156800A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2315123A - Metallurgical apparatus : en
  • US2315131A - Method of treating mineral oils : en
  • CA411491A - Compressor controlling device : en fr
  • US2315058A - Plug cock for handling powdered materials : en
  • US2315283A - Apparatus for manufacturing thin rubber articles : en
  • ES155819A1 - IMPROVEMENTS IN GASOGENS : en es
  • ES156597A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2314884A - Connector : en
  • US2315037A - Chlorination of propylene polymers to give resins : en
  • US2314914A - Multipurpose parachute delivery container : en
  • US2315295A - Fishing tackle : en
  • CA411489A - Cheese emulsifying method : en fr
  • PL31509B1 - : en pl
  • US2314991A - Viscosimeter : en
  • US2314979A - Rail car : en
  • CA411483A - Nitrogen production : en fr
  • CH226290A - Safety device provided with a shut-off device on pressure vessels with a rotatable sealing lid. : de en
  • DE733594C - Device for the production of a socket pipe : de en
  • ES156720A3 - BRAKING SYSTEM FOR BICYCLES AND ANALOG VEHICLES : en es
  • PL31464B1 - : en pl
  • US2315243A - Safety switch point protecting means : en
  • PL31472B1 - : en pl
  • PL31476B1 - Measurement method and device for indicating the approximate indicated power of internal combustion engines : en pl
  • US2314947A - Core bit : en
  • CH226312A - Single-phase, reversible, small AC motor with main and auxiliary poles. : de en
  • PL31599B1 - Ringhoffer-Tatra-Werke A. G-, Prague / (MJtjL Air-cooled engine for vehicles with oil cooler : en pl
  • USD135334S - Design for a telephone operator s chair : en
  • US2315368A - Package : en
  • FR880616A - Cocoa substitute and its manufacturing process : en fr
  • US2314909A - Polymerization of unsaturated compounds having the cyclopentadiene nucleus : en
  • US2315445A - Regulated rectifier circuit : en
  • DE733748C - Device for sticking strips of fabric : de en
  • ES155768A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF GASOGENS : en es
  • ES156856A1 - COPYING DEVICE FOR THE HOLDING OF SINGLE LEAF BOOKS : en es
  • USD135336S - Greeting card display cabinet : en
  • USD135339S - Design for a slipper : en
  • CA411434A - Coating composition : en fr
  • PL31481B1 - : en pl
  • DE733863C - Press casting machine for processing magnesium and its alloys : de en
  • DK60737C - Procedure for the Production of Absorbent Carbon by Charcoalizing Vegetable Waste Products. : da en
  • ES155952A1 - DEVICE FOR THE OPERATION OF EXPLOSION ENGINES WITH ACETYLENE : en es
  • ES156133A1 - PROCEDURE AND DEVICE FOR THE SUPPRESSION OF FOAM : en es
  • DE665986C - Straightening machine convertible to different straightening speeds : de en
  • DE733328C - Device for pressing and impregnating malt sprouts or other agricultural waste : de en
  • ES156050A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880691A - Apparatus for transmitting telegraphic signals and codes : en fr
  • US2315361A - System and apparatus for facsimile telegraphy : en
  • SU62552A1 - crank mechanism : en ru
  • CA411536A - Soluble oil and transparent emulsion : en fr
  • US2314968A - Process of impregnating textile materials and the material thus obtained : en
  • US2315210A - Fastener : en
  • CH226378A - Elastic rim. : de en
  • DE733835C - Device for lapping parallel surfaces of piston rings : de en
  • FR880519A - Process for the production of color sound films : en fr
  • FR880629A - Cellular filter for suspended solids : en fr
  • CH226289A - Friction clutch. : de en
  • DE733678C - Electrically driven vacuum cleaner with vertically arranged and spring-mounted motor fan unit : de en
  • DE733755C - Process for the production of Kuepen dyes of the anthraquinone series : de en
  • ES156472A1 - IMPROVEMENTS INTRODUCED IN THE CASES OF SMOOTH SUPPORTS : en es
  • US2315202A - Floor rack : en
  • CH226220A - Textile intermediate product for the manufacture of goods with crepe effects. : de en
  • CH226367A - Gear shifting device on electric vehicles. : de en
  • US2315214A - Engine : en
  • US2315312A - Electron discharge device circuits : en
  • DE733640C - Manufacture of paints : de en
  • ES155862A1 - PROCEDURE OF LACTOHYDRID AND CELLULOSE FERMENTATION OF THE RESIDUAL LIQUIDS FROM THE MANUFACTURE OF PAPER PASTE : en es
  • GB552242A - Improvements in gas burners : en
  • USD135397S - Design for a dress : en
  • US2315090A - Abrasive cutoff machine : en
  • PL31505B1 - : en pl
  • US2314863A - Safety appliance for electrically heated apparatus : en
  • US2315449A - Hat fastening device : en
  • USD135362S - Design for an interior partition structure : en
  • ES155902A1 - PROCEDURE FOR THE CONSTRUCTION OF CEILINGS OF ARMED CONCRETE : en es
  • FR880703A - Installation for introducing chemicals into the supply line of a steam boiler : en fr
  • CH226372A - Elastic wheel. : en fr
  • CH226208A - Device for cutting endless artificial fiber ribbons and converting them into draftable slivers. : de en
  • ES156866A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • SU62511A1 - Thermoelectric device for measuring the temperature of the rubber compound : en ru
  • US2314879A - Screen : en
  • US2315432A - Casting of phenolic resins : en
  • ES156088A1 - PROCEDURE FOR MANUFACTURING OVOID BRIQUETTES, BALLS OR ANY OTHER FORM OF COMPRESSES USED AS A FUEL IN REPLACEMENT OF CARBON OR WOOD : en es
  • FR880696A - Process for the preparation of p-aminobenzene-sulfoneamidothiazol derivatives : en fr
  • GB552301A - Improvements in or relating to trigger circuits employing thermionic valves : en
  • CA411441A - Blasting initiator : en fr
  • CA411519A - Cooking range lift cover : en fr
  • CH226354A - Arrangement in telephone systems. : de en
  • CA411430A - Coating composition : en fr
  • CH226320A - Holder for cable connection terminals with insulating base. : de en
  • US2314931A - Flytrap : en
  • US2315015A - Tool holder for cartons : en
  • DE733852C - Edge limiting device for typewriters : de en
  • DK60750C - Tone arm guide mechanism for Magasing gramophones. : da en
  • ES156124A1 - CARBUARDOR APRA GASOGEN OF AUTOMOBILES AND SIMILAR : en es
  • SU62464A1 - Apparatus for interaction between gases and powdered material suspended in them : en ru
  • US2314866A - Screw clamp : en
  • US2314887A - Method of coating metal and material : en
  • US2314926A - Fuel feeding device for internal combustion engines : en
  • US2315019A - Gyroscopic apparatus : en
  • AT160897B - Film advancement mechanism for cinematographic apparatus : de en
  • CH226377A - Protective cover on wheels for the tread of pneumatic tires. : de en
  • US2315034A - Railway traffic controlling apparatus : en
  • US2315448A - Reticulated mat assembly : en
  • CH226252A - Safety device for the firing device of firearms. : de en
  • CA411505A - Vehicle wheel : en fr
  • CA411514A - Superheterodyne radio receiver : en fr
  • CA411528A - Tube supporting band : en fr
  • US2315017A - Separator for liquids having different specific gravities : en
  • PL31590B1 - : en pl
  • CH226395A - Process for the production of wool substitute fibers from viscose. : de en
  • CA411454A - Hot air furnace : en fr
  • CH226286A - Tilting segment for comb and support bearings. : de en
  • ES156052A1 - INDUSTRIAL GASOGEN FOR SIMILAR LIQUIDS AND COMBUSTIBLES : en es
  • ES156798A1 - PROCEDURE BASED ON SPECIAL APPARATUS FOR THE COOLING OF LIQUIDS : en es
  • DE733526C - Laying device for electrical stack capacitors : de en
  • ES156650A1 - MECHANISM OF PROPULSION BY CRANKSHAFT WITHOUT DEAD POINTS : en es
  • FR880665A - Method of manufacturing a metal ring capable of joining with glass fusion : en fr
  • DE733657C - Sewing machine drive : de en
  • USD135354S - Design for a safety cap : en
  • ES156272A1 - PROCEDURE FOR THE MANUFACTURE OF CORK PLUGS, WOOD OR OTHER MATERIAL AND APPARATUS FOR ITS EXECUTION : en es
  • ES156448A1 - IMPROVEMENTS IN THE ORGANIZATION OF THE VIBRATORS IN THE TOCADISCOS DEVICES : en es
  • ES155823A3 - IMPROVEMENTS IN THE MANUFACTURE OF CHARCOALS FOR ELECTRICAL APPLICATIONS : en es
  • ES156067A1 - PROCEDURE FOR OBTAINING DISAZOIC DYES : en es
  • GB552304A - An improved method of and means for quenching, washing and silencing the exhaust emission from internal combustion engines : en
  • DE733721C - Internal combustion engine with gear piston : de en
  • ES156402A1 - SCISSORS TO CUT WIRES : en es
  • FR880560A - Printing machine with paper displacement : en fr
  • FR880625A - Beer making process : en fr
  • CA411375A - Snow removing mechanism frame : en fr
  • CA13441S - Suspender loop : en
  • CH226251A - Automatic firearm. : de en
  • US2315352A - Garment of the pajamas type : en
  • FR880576A - Product to improve the combustion of poor quality fuels : en fr
  • DE733719C - Two-stroke internal combustion engine with an in-line arrangement of cylinders : de en
  • CH226205A - Bloch brush. : de en
  • DE733697C - Arrangement for suppressing the high-frequency current that crosses the outside of the jacket of a concentric ultra-short wave line at an interruption point : de en
  • DE733712C - Process for the production of castings from aluminum-silicon alloys : de en
  • DE733819C - Counter : de en
  • DE733773C - Wire stitching machine : de en
  • US2315309A - Sound attachment device for motion picture machines : en
  • PL31504B1 - : en pl
  • US2315254A - Filter bed cleaner with rotary agitator : en
  • USD135351S - Design for a game board : en
  • US2315385A - Threshing machine : en
  • US2315413A - Teletypewriter selection system : en
  • CA411477A - Brake system : en fr
  • DE733484C - Tester for magnetic material analysis : de en
  • DE733581C - Device for connecting a diaphragm pressure regulator with a carburetor mixing chamber : de en
  • FR880742A - Improvements to winches for flying scaffolding suspended by wire rope : en fr
  • GB552275A - Improvements in straight-bar knitting machines : en
  • CH226175A - Plow detachably attached to a tractor. : de en
  • BE449061A - : en
  • CH226217A - Thread tensioner with an electrically acting storage device, especially for flat knitting machines. : de en
  • CH226277A - Device for vulcanizing molded rubber bodies. : de en
  • CH226296A - Mechanical power amplifier for actuating the control device of a controllable transmission. : de en
  • DE733557C - Switching arrangement for the self-excitation of alternators with the aid of dry rectifiers, which are connected upstream of the excitation winding : de en
  • US2315024A - Conversion of hydrocarbons : en
  • DE733816C - Drawer lock : de en
  • ES156002A1 - PROCEDURE FOR THE MANUFACTURE OF AN ANTICRIPTOGAMIC PRODUCT AND, IN GENERAL, ANTIMEXETIC, PARASITICIDE, INSECTICIDE, ATOXIC AND OF GREAT EFFICACY : en es
  • DE733787C - Process for the equiaxed vacuum-tight fastening of two or more electrodes facing each other in a cathode ray tube, in particular the cathode and the anode : de en
  • ES155875A1 - PROCEDURE FOR OBTAINING POLYCHROME SUBSTRACTIVE FILMS : en es
  • FR880535A - : fr
  • FR880511A - Process for the constitution of photographic images in color, by reflection or by transparency, by means of chromogenic development : en fr
  • CA411442A - Rectangular electric roaster : en fr
  • ES156767A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • FR880671A - Method of assembly of chipboard or artificial stone filters : en fr
  • US2315031A - Valve means : en
  • ES156318A1 - IMPROVEMENTS INTRODUCED IN THE ITINERARY LEVERS NEEDLES POSTS : en es
  • ES156429A1 - IMPROVEMENTS IN SPEED COUNTERS : en es
  • ES155855A1 - PORTABLE GASOGENO FOR AUTOMOTIVE VEHICLES : en es
  • ES156527A1 - ELECTRICAL INSTALLATION AND DIAGRAM PROCEDURE FOR THE CHARGE OF DIFFERENT DISCHARGE ACCUMULATOR BATTERIES : en es
  • ES156846A1 - IMPROVEMENTS IN THE MANUFACTURE OF LENSES OF MULTIPLE LIGHTS : en es
  • ES156883A1 - CANIFENE MANUFACTURING PROCEDURE : en es
  • ES155897A1 - PORTABLE FOLDING BILLIARD : en es
  • ES156197A1 - ACTIVATOR ACTIVATOR OF THE COMBUSTION OF CARBON IN THE HOUSEHOLDS OF BOILERS AND SIMILAR : en es
  • ES156401A1 - HAND SAW : en es
  • ES156852A1 - PROCEDURE FOR THE OBTAINING OF FERMENTS FROM PORTIONS OF SOLUBLE CELLULOSE IN ALCALIS THAT ARE ORIGINATED IN PRODUCTION OF VISCOS : en es
  • US2315423A - Manufacture of fermentation glycerin from molasses : en
  • CA411494A - Rotary cutting and scoring mechanism : en fr
  • ES156889A1 - PROCEDURE OF CONFECTION OF PRINTED LEAF BONNETS : en es
  • ES156109A1 - IMPROVEMENTS INTRODUCED IN GASOGENS : en es
  • ES156483A1 - PROCEDURE FOR THE MULTIPLICATION OF ORIGINALS BY ENTIRE PAGES, BY LINES OR BY SECTIONS : en es
  • ES156037A1 - ROTATING DISC CASSETTE : en es
  • US2315471A - Protective system : en
  • PL31485B1 - : en pl
  • CH226209A - Device for reducing the size of the thread on ring spinning and ring twisting machines with a single looped rotor. : de en
  • CA411466A - Parasiticide : en fr
  • CH226253A - Device for testing profiles on workpieces. : de en
  • CH226332A - Contact converter with transformer and switching reactors. : de en
  • ES156506A3 - PENCIL MANUFACTURING PROCEDURE : en es
  • US2315350A - Wiper arm connection : en
  • US2315411A - Sealing apparatus : en
  • ES155947A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156278A3 - PROCEDURE FOR THE PREPARATION OF SULPHAMIDIC COMBINATIONS OF PYRIDINE AMINES : en es
  • ES155864A1 - PROCEDURE FOR COUPLING SUBTRACTIVE MULTICOLOR IMAGES : en es
  • ES156634A1 - OVOSCOPE : en es
  • ES156871A1 - AERODYNAMIC ENGINE ELECTRIC POWER PRODUCER : en es
  • ES156439A1 - PROCEDURE FOR OBTAINING POLYAMID PLASTIC PRODUCTS, UNALTERABLE TO THE LIGHT : en es
  • ES155858A1 - PROCEDURE FOR THE MANUFACTURE OF WOODEN COLLINDERS, DRILLED BY THEIR CENTER, PREVIOUSLY IMPREGATED WITH A COMBUSTION CHEMICAL EXCITING : en es
  • FR880594A - Device for mechanical recording of sounds in two paths : en fr
  • ES156348A1 - PROCEDURE FOR OBTAINING TRISAZOIC DYES : en es
  • ES4803Y - Central web vault and cantilever fins. : en es
  • ES156432A1 - INDUSTRIAL PROCEDURE CONSISTING OF THE SULFONATION OF GRASO-AROMATIC COMPLEXES : en es
  • ES156858A1 - MATERIAL PROTECTIVE COATINGS SYSTEM : en es
  • US2315049A - Combined wire support and corrosion inhibitor : en
  • US2315106A - Closer for gates : en
  • DE733668C - Thread brake for slip gate with upstream thread tensioner grid : de en
  • ES155817A1 - PROCEDURE FOR THE CENTRIFUGATION OF PARTS OF MORTARS AND CEMENT CONCRETE, ARMED OR NOT METALLICALLY : en es
  • ES156341A1 - IMPROVEMENTS IN THE MACHINE TO REDUCE AND EQUALIZE SOLE IN GENERAL : en es
  • DE733627C - Turbo gear pump : de en
  • ES155747A1 - ELECTRIC MACHINE FOR AUTOMOBILE VEHICLES : en es
  • ES156479A1 - PROCEDURE TO OBTAIN GUARNICION MASSES INTENDED FOR THE HERMETIC CLOSURE OF CANS AND SIMILAR GROOVES : en es
  • DE733653C - Piston seal for internal combustion engines : de en
  • DK60744C - Tandem Reaction Brush Holder for Electrical Machines. : da en
  • ES155890A1 - PROCEDURE FOR OBTAINING SUBSTITUTE AMIDINES HEAR A SULFONILIC REST : en es
  • ES156309A1 - PERFECTED GASOGEN : en es
  • FR880698A - Spring mattress : en fr
  • GB552259A - Treatment of textiles composed of organic derivatives of cellulose to reduce shrinkage : en
  • GB552296A - Improvements in or relating to piston rings and like packing : en
  • USD135345S - Le blond : en
  • DE733533C - Twin-shaft internal combustion engine : de en
  • ES155816A1 - APPARATUS FOR MOLDING OF PARTS OF MORTARS AND CEMENT CONCRETE, ARMED OR NOT METALLICALLY, OBTAINED BY CENTRIFUGATION : en es
  • GB552225A - Improvements in or relating to cord and like structures : en
  • PL31520B1 - : en pl
  • DE733609C - Process for the production of electrical wound capacitors : de en
  • ES156626A3 - VACUUM CLEANER FOR CARS SUPPLIED WITH GASOGEN : en es
  • ES155982A1 - PERFECTIONS IN ACETYLENE GENERATORS : en es
  • ES156151A3 - EQUIPMENT FOR THE AUTOMATIC LUBRICATION OF THE POCKETS OF EXPLOSION ENGINES : en es
  • ES156882A3 - DEVICE TO ENSURE THE SUPPLY OF EXPLOSION MORORS BY MEANS OF A COMBUSTIBLE GAS, SUCH AS ACETYLENE : en es
  • ES155873A1 - BICYCLE CHECKOUT SUPPORT DEVICE THAT ALLOWS SMALL ANGULAR DISPLACEMENTS OF THIS LAST IN A SPECIALLY HORIZONTAL PLAN : en es
  • PL31550B1 - A method of producing refined oils, especially those which are stable when stored or at elevated temperatures : en pl
  • ES156779A1 - PROCEDURE FOR THE MANUFACTURE OF BRICKS OR AGGLOMERATES OF DOLOMITE : en es
  • ES156010A1 - SYSTEM FOR THE CONSTRUCTION OF WALLS, AND MAINLY OF CLOSING OR CONTAINMENT, WITH MOLDED PIECES : en es
  • ES156416A3 - IMPROVEMENTS IN PISTONS FOR COMBUSTION ENGINES AND OTHER APPLICATIONS : en es
  • GB552361A - Improvements in or relating to printing presses : en
  • ES155840A1 - GASEOUS FUEL BURNER : en es
  • ES155857A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES155934A1 - ANTIRYPTOGAMIC PREPARATION BASED ON CUPROORGANIC COMPOUNDS WITH IMMEDIATE AND PROGRESSIVE ACTION : en es
  • ES156666A1 - CURRENT CHANGER : en es
  • ES155778A1 - FOLDING CRIB SYSTEM : en es
  • GB552325A - Improvements in or relating to devices for spraying fruit, hops, and the like : en
  • ES156368A1 - GRADUABLE TOBERA SYSTEM, AIR REFIRED : en es
  • FR880724A - Perforated wooden sole : en fr
  • CA411565A - Hydrocarbon and derivative production : en fr
  • DE733803C - Magnesite mortar : de en
  • ES156335A1 - COATING FOR OVENS WITH CROSS SECTION, CIRCULAR OR OVAL, ESPECIALLY FOR ROTARY OVENS : en es
  • US2315378A - Automatic telephone system : en
  • CA411529A - Tube support : en fr
  • ES156453A1 - FOUR-COLOR CINEMATOGRAPHY DEVICE : en es
  • FR880551A - extra-shortwave transmitter : en fr
  • FR880723A - Electric heater : en fr
  • ES156763A1 - HYDRAULIC COMPOUND GEAR : en es
  • DE733460C - Automatically switching current monitor contactor control for motors that are operated in different groupings, in particular for electric trams or trolleybuses : de en
  • DK60749C - Device for Magasing gramophones. : da en
  • US2315170A - Transmitting or receiving device comprising a dipole antenna : en
  • US2315275A - Holder for balls and bobbins of strand material : en
  • ES156663A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2315169A - Handbag and similar portable enclosure : en
  • US2315315A - Radio apparatus : en
  • CH226392A - Aircraft engine with counter-rotating propellers. : de en
  • GB552343A - Improvements in or relating to chutes : en
  • FR880603A - Process for preparing resinoid products : en fr
  • US2315195A - Indigoid dyestuffs and process of making same : en
  • ES156509A3 - MACHINE SYSTEM FOR LAMINATING AND CUTTING PASTA, PARTICULARLY FOR THE PREPARATION OF PASTA FOR SOUP : en es
  • ES156803A1 - ELECTRICAL RESISTANCE MANUFACTURING PROCEDURE : en es
  • US2315284A - Multiple film carrying camera : en
  • USD135343S - Design for a ski glider : en
  • USD135368S - Design fob a mitten : en
  • ES155794A1 - PROCEDURE FOR OBTAINING VITAMIN B : en es
  • GB552348A - Improvements in gear hobbing machines : en
  • DE733777C - Device on writing business machines for inserting and setting individual, separate leaflets : de en
  • CH226381A - Coaster brake device on bicycles. : de en
  • US2315112A - Directional coupling : en
  • US2315355A - Well surveying method and apparatus : en
  • ES155859A1 - FERMENTATION PROCEDURE : en es
  • PL31603B1 - : en pl
  • CA411376A - Snow removing mechanism discharge control : en fr
  • FR880555A - Elastic mounting of the rear wheel of motorcycles and similar vehicles : en fr
  • US2314992A - Storm window : en
  • US2315118A - Car construction : en
  • US2315348A - Stylus conditioning apparatus : en
  • ES155836A1 - PROCEDURE FOR OBTAINING VEGETABLE CURRENT EXTRACTS : en es
  • ES156285A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF GASOGENS FOR MECHANICAL ENGINE VEHICLES : en es
  • ES156343A1 - GASOGEN FOR MECHANICAL TRACTION VEHICLES : en es
  • ES156746A1 - IMPROVEMENTS IN THE MANUFACTURE OF WRITING MACHINES : en es
  • ES156782A1 - UNIVERSAL MIXING DEVICE ADAPTABLE TO ALL TYPES OF ENGINES THAT USE GASGEN GAS : en es
  • ES155808A1 - GASOGEN APPLIANCE APPLICABLE TO ALL KINDS OF CAR VEHICLES : en es
  • ES156087A1 - PROCEDURE FOR OBTAINING AN AGGLOMERANT FOR CARBON BRIQUETTES : en es
  • DE733529C - Support and fastening device for curtain rails with a clamping slide engaging in the support member : de en
  • USD135352S - Design for a finger ring : en
  • CH226307A - Light metal pistons for internal combustion engines. : de en
  • FR880523A - Program controller : en fr
  • DE733840C - Pendulum inverter with an airtight housing : de en
  • CA411554A - Electric heating pad : en fr
  • GB552234A - Apparatus for use in distilling metals by electric induction heating : en
  • CA411531A - Hollow poppet valve manufacture : en fr
  • PL31486B1 - : en pl
  • ES155833A1 - IMPROVEMENTS IN THE MANUFACTURE OF THE MECHANISM OF THE ROTARY SWITCHES FOR ELECTRICAL CURRENT INSTALLATIONS : en es
  • ES155900A1 - BLADE HOLDER HEAD, APPLICABLE TO ANY MECHANICAL LATHE : en es
  • ES156760A1 - PERFECTED GASOGEN : en es
  • US2314936A - Process for extracting and concentrating sulphur dioxide : en
  • US2315174A - Apparatus for separating genuine from spurious coins : en
  • DE733833C - Anti-skid device for motor vehicles : de en
  • US2314935A - Serving tray : en
  • ES156894A1 - IMPROVEMENTS IN STRINGS IN WEDGE : en es
  • GB552307A - Improvements in multi-lead pencils : en
  • PL31494B1 - : en pl
  • ES156521A1 - ELECTRICAL CONTACT DEVICE : en es
  • ES156332A1 - MACHINE TO DEFINE THE RETAMA : en es
  • ES156796A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880707A - Zein-based coatings : en fr
  • US2315244A - Tooth powder dispenser : en
  • ES155907A3 - PROCEDURE FOR THE EXTRACTION OF GRAPE SKIN RESIN WITHOUT PEPITES : en es
  • DE733723C - Carburettor with shutdown of the main fuel outlet : de en
  • US2315223A - Water softener : en
  • USD135349S - Design for a lens computer : en
  • US2314946A - Preparation of oxy-tetronic acids : en
  • US2315064A - Method of protecting cellulosic materials : en
  • US2315248A - Pseudo-extension of frequency bands : en
  • ES156027A1 - PROCEDURE FOR THE MANUFACTURE OF VEGETABLE CHEESES : en es
  • ES156642A1 - MICROMETRIC ADJUSTMENT HEAD SYSTEM : en es
  • ES155986A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • PL31566B1 - Alfred Vclk, Hanover WftttjU / i Collective file card : en pl
  • CH226349A - Process for the production of a disinfectant for disinfecting rooms and objects. : de en
  • ES156791A1 - IMPROVEMENTS IN A POOR GAS GENERATOR WITH VEGETABLE CARBON AND SPECIAL FILTER SYSTEM FOR MOTOR VEHICLES : en es
  • ES156823A1 - PROCEDURE FOR THREADING PARTS IN GENERAL IN LARGE SERIES : en es
  • FR880507A - Device for air cooling of automobile engines by means of axial fans : en fr
  • ES155975A1 - APPARATUS TO DUST GASES OUT OF A GASOGENO : en es
  • ES156602A1 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRIC HUNTERS : en es
  • ES156841A3 - PROCEDURE FOR THE ACTUATION OF MARINE ENGINES : en es
  • FR880708A - Azo pigments manufacturing process : en fr
  • ES156062A1 - IMPROVEMENTS INTRODUCED IN THE AUTOMATIC TRANSFORMATION MACHINES OF THE GRAVITY FORCE IN DRIVE FORCE : en es
  • ES156339A1 - DIESEL ENGINE WITH A FRAME ON THE ENGINE Piston : en es
  • ES155910A1 - PROCEDURE FOR MANUFACTURING WOODEN SHOES : en es
  • ES156293A3 - NOZZLES COOLED BY FEED AIR : en es
  • FR880659A - Pressure gauge for twisting machines : en fr
  • GB552282A - Improvements in or relating to the manufacture of high antiknock gasoline hydrocarbons : en
  • ES156147A1 - HEATING APPLIANCE BY ELECTRIC INCANDESCENCE : en es
  • ES155921A1 - IMPROVEMENTS IN THE APPLIANCES FOR THE APPLICATION OF ANESTHETICS : en es
  • ES156511A1 - DISPOSAL FOR ACCESSING VEHICLES ACTIVATED BY ELECTRICAL ACCUMULATORS : en es
  • ES156530A1 - IMPROVEMENTS INTRODUCED IN THE APPARATUS ATRAPAMOSCAS BY MEANS OF THE ELECTRICITY : en es
  • FR880596A - Gas mask with eyepieces ventilated by a draft : en fr
  • AT160894B - Method and device for the magnetic separation of loose body mixtures : de en
  • CH226359A - Device for balancing variable oscillating circuits or parts thereof, in particular variometers. : de en
  • CH226386A - Gearboxes for bicycles. : de en
  • ES156059A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FLAT GRILLS WITH WATER REFRIGERATION : en es
  • GB552269A - Improvements relating to control valve arrangements for pneumatically-operated tools : en
  • US2314944A - Method of and apparatus for producing filaments or the like of glass and structures thereof : en
  • US2315097A - Method and apparatus for producing photographic sound records : en
  • ES155763A1 - MACHINE TO SHAVE ELECTROMECHANICAL : en es
  • ES156595A1 - IMPROVEMENTS IN THE ELECTRIC VACUUM CLEANER USED IN DIFFERENT APPLICATIONS, AND VERY PARTICULARLY IN GASOGENS OR GENERATORS OF POOR GAS : en es
  • ES156128A1 - REFRIGERATION PROCEDURE OF NOZZLE BY LEAD CAST BETWEEN METAL SHEETS AND REGULARIZATION OF THE AUTOMATIC AIR INTAKE, BY THE MOTOR SUCTION, AND WATER STEAM NOZZLE WITH CONSTANT LEVEL BY FLOAT, AND DRYER OF CARBON AND WOOD BY THE FIRE OF THE TUBE OF ENGINE EXHAUST : en es
  • ES156789A1 - HEAD, TABLE OR SIMILAR, INDICATORS AND DIVIDERS : en es
  • USD135358S - Combined traveling case and cosmetic holder : en
  • ES156869A1 - HOT GAS ENGINE CONTAINING A RECOVERED DEVICE : en es
  • DE733565C - Automatic firearm with locked breech : de en
  • DE733629C - Device for generating, amplifying and receiving ultra-high frequency oscillations in the decimeter or centimeter wave length area : de en
  • FR880516A - Improvements to incandescent lamps and the like : en fr
  • DE725258C - Device for the wave-shaped forward movement of reptiles, fish or the like. Imitating bodies as toys : de en
  • FR880666A - Device for cutting and folding crepe paper and the like : en fr
  • US2314967A - Fastener for storm windows and the like : en
  • FR880632A - Sheathing of electric cables by screw press : en fr
  • GB552268A - An improvement in or relating to valves for water mains : en
  • GB552336A - Improvements in apparatus for softening or other treatment of water : en
  • FR880544A - Store for cinematographic camera : en fr
  • ES156284A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FORGED ELBOWS TO 180 DEGREES, DOTANDOLES OF INTERNAL NERVE : en es
  • ES156504A1 - IMPROVEMENTS IN THE FABIRACION OF ANNULAR OPTICAL PREMIUMS THAT APPLY TO THE LUMINOUS FOCUSES : en es
  • FR880628A - Method and device for adjusting the gas supply to the main burner of water heaters : en fr
  • GB552254A - Improvements in and relating to the refining of sublimable materials : en
  • GB552264A - Improvements in and relating to materials for making artificial dentures and other articles : en
  • DE716477C - Button closure : de en
  • ES155920A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BOXES, ESPECIALLY FOR WATCHES : en es
  • GB552340A - Improvements relating to the production of vulcanized rubber : en
  • FR880568A - Four Color Cinematography Systems Enhancements : en fr
  • DE733561C - Seed dressings : de en
  • ES156691A1 - SELF-DIFFERENT ELECTRICAL CURRENT DEVICE AND SPEED REDUCER, APPLICABLE TO ELECTRIC MOTORS AND ELECTROMECHANICAL SYSTEMS IN GENERAL : en es
  • ES156080A1 - PROCEDURE FOR OBTAINING A PRODUCT THAT REPLACES, SIMULTANEOUSLY, THE OIL AND THE RESIN : en es
  • FR880601A - Wire yoke closure for glass baking and preserving containers : en fr
  • US2315184A - Means for and method of maintaining the water of swimming pools at substantially unifrm temperature : en
  • DE733616C - Process for degassing aluminum and aluminum alloys in the melt flow : de en
  • DE733708C - Process for the finishing of wooden wire : de en
  • ES156239A1 - IMPROVEMENTS IN PAPER CUTTERS : en es
  • FR880559A - Sound carrier for magnetic recordings : en fr
  • GR10065B - DOUBLE ENERGY LIQUID AND GAS PRESSURE REDUCTION. : el en
  • CA411476A - Phonograph turntable drive : en fr
  • CH226365A - Motor vehicle for field devices. : de en
  • DE733842C - Device for the continuous separation of water and solids from petroleum emulsions : de en
  • ES156490A3 - PLUG MANUFACTURING PROCEDURE FOR ELECTRIC CURRENT INSTALLATIONS : en es
  • FR880587A - air cleaner mounted on a casing provided with air suction pipes arranged around the carburetor of combustion machines : en fr
  • FR880637A - Process for the preparation of polycondensation products : en fr
  • US2315470A - Protective system : en
  • US2315403A - Composite piston : en
  • US2315062A - Method and means for controlling honing operation by expansion : en
  • ES155754A1 - FERMENTATION PROCEDURE : en es
  • US2314889A - Nonfreezing mouthpiece : en
  • DE733635C - Surge arrester with removable earth line : de en
  • ES156518A1 - COMPRESSED GAS CHARGER, ESPECIALLY FOR THE INTRODUCTION OF CARTRIDGES OF A DRUM OR TAPE : en es
  • FR880662A - Compressed air-cooled internal combustion engine with a turbo-compressor, driven by exhaust gases, in particular for motor vehicles : en fr
  • US2315191A - Electrical control apparatus : en
  • US2315325A - Combination clamp holder for flex ible elements and containers : en
  • ES155800A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880522A - Vegetable fuel composed of unusable materials and residues : en fr
  • IE17556L - Pre-stressed concrete structures : en
  • US2315441A - Cribbing : en
  • DE729177C - Process for the production of porous material : de en
  • DE733571C - Laundry detergent for living hair : de en
  • ES156627A1 - IMPROVEMENTS IN THE PROCEDURES FOR THE GLUING OF TEXTILE THREADS : en es
  • PL31546B1 - : en pl
  • US2315278A - Air filter : en
  • US2315292A - Apparatus for forming glass with conducting means molded in place : en
  • ES156340A1 - MACHINE TO OPEN HEADS TO THE PICADO DEPARTMENT : en es
  • ES156757A1 - PROCEDURE FOR OBTAINING SLEEVES SUELAS FOR ALL CLASSES OF FOOTWEAR : en es
  • ES156271A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF AXLES APPLICABLE TO CARS OF CHILDREN AND OTHER VEHICLES OF LITTLE WEIGHT : en es
  • ES156277A1 - TERMINAL FOR CONDUCTING ELECTRICAL CONNECTORS : en es
  • DE733759C - Device for measuring and checking the stereoscopic sight : de en
  • DE733793C - Method and device for pouring bearing shells with bearing metal by centrifugal casting : de en
  • ES156138A3 - IMPROVEMENTS IN THE CONSTRUCTION OF BICYCLES, SPEEDS AND THE LIKE : en es
  • ES156417A1 - ELECTRICAL CURRENT SWITCH SWITCH APPARATUS : en es
  • ES155741A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156754A1 - PROCEDURE FOR OBTAINING AMINO-SULFAMIDIC DERIVATIVES WHOSE AMINICAL FUNCTION IS BLOCKED BY CONDENSATION OF ALDEHYDES : en es
  • ES156736A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2314983A - Carbonating apparatus : en
  • US2315268A - Plate hanger : en
  • SU62416A1 - Thermal controller of liquid cooling system for aircraft internal combustion engines : en ru
  • US2315205A - Conveyer : en
  • ES156357A1 - IMPROVEMENTS IN GASOGENS : en es
  • ES156366A1 - APPARATUS TO TRANSFER THE DISCS OF THE DEPOSIT OR BATTERY TO THE AVOCADO, APPLICABLE TO THE AUTOMATIC GRAMOPHONES : en es
  • ES156664A1 - IMPROVEMENTS IN APPLIANCES INTENDED TO PRODUCE A SUPERLUBRIFICATION OF EXPLOSION ENGINES : en es
  • CH226363A - Device for grasping and conveying the wrapping material in wrapping machines. : de en
  • FR880660A - Method for measuring low moisture contents in gases or vapors : en fr
  • DE733543C - Device for coarse and fine adjustment of trim edges in aircraft : de en
  • ES155953A3 - PROCEDURE OF MANUFACTURE IN GLASS OR CRISTAK OF WHIMSY DECORATIVE ELEMENTS : en es
  • FR880719A - Use of natural or activated phosphates as bleaching and degreasing filter material : en fr
  • ES156051A1 - IMPROVEMENTS INTRODUCED IN GAS SYSTEMS FOR AUTOMOBILES AND AUTOMOTIVE VEHICLES IN GENERAL : en es
  • ES156246A3 - DEVICE FOR OPENING CANS OR SHEET CJASD : en es
  • ES156028A1 - PROCEDURE FOR THE MANUFACTURE OF NEW FERMENTED VEGETABLE FOODS : en es
  • USD135390S - Design for a transparent sewing machine presser foot : en
  • CH226176A - Process for the production of a plant protection product and plant protection product produced according to this process. : de en
  • US2315094A - Container : en
  • CH226288A - Split plain bearing. : de en
  • PL31539B1 - : en pl
  • US2315442A - Negative feedback detector : en
  • DE733620C - Pressure reducer for high-tension and liquefied gases with an auxiliary pressure reducer that regulates the diaphragm load : de en
  • US2315203A - Cellulose ester manufacture : en
  • US2315200A - Weather stripping : en
  • CA411518A - Oven observation window : en fr
  • PL31545B1 - The method of separating phenols from tar oils, gas waters and similar materials : en pl
  • US2315185A - Air velocity meter : en
  • DE733822C - Process for the production of powdered enamel clouded by zirconium compounds : de en
  • US2315158A - Property marker : en
  • CH226227A - Synthetic manufacturing process of urea. : en fr
  • US2314924A - Flat knit goods and yarn therefor : en
  • CH226388A - Three-axle steering frame for vehicles, especially for trams. : de en
  • CA411524A - Catalyst preparing apparatus : en fr
  • US2314966A - Plate heat exchanger : en
  • GB552310A - Improvements relating to block signalling systems for railways and the like : en
  • PL31578B1 - : en pl
  • US2315165A - Method of knitting : en
  • CA411468A - Antirachitic substance preparation : en fr
  • US2314917A - Electric welding apparatus : en
  • ES156248A1 - IMPROVEMENTS INTRODUCED IN THE NEUTRROID SYNTHETIC ASSEMBLIES OF THE AMPLIFIERS OF SHORT WAVES OF GREAT POWER : en es
  • FR880604A - Process for preparing improvers and fertilizers : en fr
  • US2314939A - Electrostatic ore-concentrator : en
  • US2314943A - Display container : en
  • PL31558B1 - A method of dewaxing mineral oils, tar oils and tar : en pl
  • USD135384S - Design for an apron : en
  • CA411445A - Insulation material : en fr
  • DE733701C - Process for the production of chromable dyes of the phthalein series : de en
  • ES156450A1 - PROCEDURE FOR OBTAINING FOAM FOR TECHNICAL APPLICATIONS AND EXTINCTIONS : en es
  • ES156582A1 - DEVICE INTENDED FOR THE TRANSMISSION OF SIGNALS BY MEANS OF A FREQUENCY-MODULATED CARRIER AINDA : en es
  • CA411420A - Draw rolling machine : en fr
  • CA411503A - Machine tool : en fr
  • US2314950A - Plumbing fixture : en
  • US2315467A - Drive shaft center bearing : en
  • US2315483A - Adjusting unit : en
  • PL31471B1 - : en pl
  • IE18428L - Projectiles : en
  • SE107012C1 - : en
  • CH226330A - Wound capacitor. : de en
  • CA13442S - Suspender loop : en
  • CA411547A - Coated fibreboard : en fr
  • DE733651C - Torsion bar spring, especially for valve return devices in internal combustion engines : de en
  • US2315331A - Push-button multirange radio tuner : en
  • CH226362A - Machine for the automatic packaging of objects, in particular packages of yarn, in boxes. : de en
  • CA411383A - Flush floor electric outlet : en fr
  • FR880582A - Ribbon filter : en fr
  • FR880738A - New detergent product : en fr
  • GB552255A - Means for preventing the aeration of oil in oil circulating means : en
  • US2315303A - Loose-leaf binder : en
  • CH226306A - Starter device for endothermic engines. : en it
  • CH226226A - Process and device for the production of protective gas by splitting ammonia and burning the cleavage products. : de en
  • US2315336A - Heat power plant : en
  • US2315351A - Embankment retainer : en
  • US2314880A - Screen : en
  • CA411408A - Spring assembling machine : en fr
  • CA411370A - Glass manufacture : en fr
  • CA411517A - Tabulator : en fr
  • CH226310A - Heat exchanger. : de en
  • DK60745C - Detergent for Combustion plants. : da en
  • ES156575A1 - ELECTRO-PNEUMATIC APPARATUS COLLECTING STOCKPILE POINTS : en es
  • ES156618A1 - EXTERIOR DEVICE WITH LOWER BELT : en es
  • DE733735C - Control device for air brakes on motor vehicle trains : de en
  • DK60751C - Mask for Tire. : da en
  • FR880531A - Process for preparing unsaturated hydrocarbons from chlorinated hydrocarbons : en fr
  • FR880720A - Device enabling liquid and gaseous fuels to be used in the same device for supplying internal combustion engines : en fr
  • ES155827A1 - PROCEDURE FOR THE MANUFACTURE OF PAPERS FOR DIAZOTYPY AND DIAZOTYPES : en es
  • CA411402A - Insecticide : en fr
  • CH226360A - Device for converting a movement made step by step by remote counting pulses into a steady one. : de en
  • US2315147A - Cutter for and method of cutting gears : en
  • DE733532C - Friction wheel lighter : de en
  • ES155877A3 - SAFETY FILTER SYSTEM FOR EXPLOSION ENGINES FUELING WITH GASOGENO : en es
  • ES156441A1 - SECURITY CLUTCH DEVICE FOR MILLS CRUSHERS : en es
  • US2314911A - Polymerization of unsaturated compounds having the cyclopentadiene nucleus : en
  • US2314916A - Circuit for the amplification and/or frequency-transformation of electrical oscillations of ultra high frequency : en
  • US2315038A - Railway traffic controlling apparatus : en
  • CA411404A - Starch conversion process and product : en fr
  • CH226272A - Device for clamping workpieces on work tables of machine tools. : de en
  • US2314882A - Composite metal structure : en
  • US2315161A - Detachable belt loop : en
  • US2315167A - Gyroscope : en
  • USD135400S - Industrial truck : en
  • DE733631C - Pin contact arrangement for large currents : de en
  • ES156485A1 - MANUFACTURING PROCEDURE OF CYANIC ACID : en es
  • US2315032A - Control apparatus : en
  • CA411427A - Chemical composition : en fr
  • PL31518B1 - Askania-Werke Aktiengesellschaft, Berlin% WO * / * / Mixture regulator for internal combustion engines, TflJ jfa r \ j. especially engines with gas ^ l / n / m y / ^ : en pl
  • ES156358A3 - PROCEDURE FOR THE MANUFACTURE OF FIBROCEMENT PRODUCTS, BASED ON BANANA FIBER OR SIMILAR : en es
  • ES156385A1 - PROCEDURE FOR CONSERVATION OF ALL KINDS OF FISH : en es
  • US2314986A - Centrifugal separator : en
  • US2315435A - Transmission system : en
  • USD135340S - Hillenbrand over-bed table : en
  • US2314964A - Method of making playing balls : en
  • US2315304A - Fish lure : en
  • BE449957A - : en fr
  • CH226187A - Double ship lock with water circulation. : de en
  • DE733804C - Process for the production of a cold glaze mass : de en
  • PL31549B1 - : en pl
  • US2314955A - Respirator : en
  • DE733639C - Process for the production of combination products from resoles and wood oil : de en
  • US2315204A - Planter : en
  • USRE22296E - Process for treatment of metals : en
  • USD135372S - Design for a deess : en
  • US2315392A - Art of mounting piezoelectric crystals : en
  • ES156380A1 - PROCEDURE FOR THE MANUFACTURE OF SPECIAL TOASTED WOODWOOD FOR APPLICATION TO GASOGENS OF MOTOR VEHICLES : en es
  • CA411482A - Coating composition and article : en fr
  • ES156005A1 - COUNTERPRESSURE DEVICE FOR HEATING LIQUIDS : en es
  • ES156503A1 - IMPROVEMENTS IN THE APPLIANCES TO ENLARGE PHOTOGRAPHS : en es
  • ES156587A1 - DIPOSITION OF ELECTRODES IN OVENS FOR ALUMINUM : en es
  • ES156673A3 - PROCEDURE FOR THE MANUFACTURE OF OWN CELLULOSE FOR VICIOUS SOLUTIONS BASED ON RAW MATERIALS CONTAINING CELLULOSE, SIMULATELY USING THE INHERENT CELLULOSE MASTERIES REMAINING IN THE MANUFACTURE OF CELLULOSE : en es
  • ES156810A1 - BURNER DEVICE FOR SERRIN AND PULVERIZED FUELS : en es
  • FR880508A - Engine hood vents of vehicles with rear engines : en fr
  • FR880529A - Externally actuated and rigorously balanced high pressure valve : en fr
  • DE733690C - Externally heated, vertical chamber furnace made of ceramic building materials for degassing fuels at low and medium-high temperatures : de en
  • US2315450A - Method of and apparatus for locating transmission faults : en
  • ES156020A1 - IMPROVEMENTS IN THE WAY OF ACTIVATING THE PEINES IN THE MACHINE TELESCOPES WITH VERTICAL MOVEMENT LEVER : en es
  • ES156035A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156056A1 - MACHINE HORMING THE BREAD MASS, PERFECTED : en es
  • ES156647A1 - GASOGEN PERFECTIONS FOR ALL KINDS OF ENGINES : en es
  • GB552326A - Improvements in means for setting tools upon lathes and the like : en
  • DE733536C - Pipe coupling with shut-off valves to be operated by hand, especially for refrigerant lines : de en
  • ES156367A1 - IMPROVEMENTS IN METAL FURNACES FOR WOOD CARBONE : en es
  • ES156812A1 - PROCEDURE FOR THE TREATMENT OF CELLULOSE MATERIALS, SUCH AS WOOD, STRAW, SPARTO OR OTHER SIMILAR, WITH THE OBJECT OF OBTAINING USEFUL USEFUL PRODUCTS : en es
  • FR880728A - Process for manufacturing a sodium silicate to obtain a washing powder : en fr
  • ES156227A1 - POOR GAS LUBRIFIER PRODUCED IN GASOGENS : en es
  • CH226257A - Room temperature correction device for control device. : en fr
  • PL31584B1 - : en pl
  • ES155841A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF SWITCHES OR ROTATING KEYS WITH RUNNING TO THE RIGHT AND LEFT : en es
  • FR880541A - Exhaust gas manifold, forming a flame arrester, for aircraft engines : en fr
  • GB552230A - Production of multi-colour photographic images : en
  • ES155929A1 - PROCEDURE TO DESILIZE WATER AND AQUEOUS SOLUTIONS : en es
  • CA411512A - Centrifugal pump : en fr
  • ES156183A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • ES156589A1 - IMPROVEMENTS MADE IN A NEW FIRE EXTINGUISHER : en es
  • CA411403A - Detonator combination : en fr
  • DE733632C - Procedure for reducing the number of conductors in remote control and telemetry systems : de en
  • DE733733C - Ground fire, especially for airfields : de en
  • ES156350A1 - ARC WELDING PROCEDURE : en es
  • ES156604A1 - OLIVE MILL, SHREDDER DISCARDER : en es
  • ES4742Y - Swab. : en es
  • ES156148A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156516A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF GASOGENS : en es
  • FR880687A - Bilamp electric lighting device with automatic ignition : en fr
  • US2315129A - Alkylation process : en
  • ES155830A1 - PROCEDURE FOR THE MANUFACTURE OF FATTY ACIDS, ALDEHYDES, ACETONICS AND ALCOHOLS : en es
  • DE733514C - Process for the preparation of aromatic sulfonic acid amides : de en
  • DE733456C - Device for distributing bulk goods over a certain length, consisting of a single or multi-turn transport screw : de en
  • ES156373A1 - ROW PROVIDED OF THEIR OWN HEATING DEVICE THAT INVOLVES IN THE PLANIMETRY AND UNIFORMITY OF THICKNESS THROUGHOUT THE WIDTH OF THE GLASS SHEETS STRETCHED BY THE SYSTEM FOURCAULT140342 : en es
  • FR880583A - Small building elements : en fr
  • ES156620A1 - PROCEDURE FOR THE MANUFACTURE OF SYNTHETIC RESINS FROM BREASOUS RESIDUES OF WOOD PIGEONING AND CELLULOSE MATERIALS ANALOGUES : en es
  • US2315074A - Garden implement : en
  • US2315136A - Playing card case : en
  • US2315324A - Multiple-ply structure and method of making the same : en
  • US2314928A - Promoting restoration of transplanted plants : en
  • US2315100A - Fruit or vegetable selecting machine : en
  • DE733689C - Process for making textile fabrics water repellent : de en
  • ES155839A3 - AUTOMATIC MACHINE FOR THE MANUFACTURE OF ELECTRODES FOR ELECTRIC LAMPS : en es
  • ES156778A1 - IMPROVEMENTS INTRODUCED IN THE DISPOSITION OF THE APPLIANCES ANNEXES IN THE EVAPORATION AND CONCENTRATION FACILITIES SIMPLE AND MULTIPLE AT LOW PRESSURE : en es
  • ES156867A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES155915A1 - LIGHTING DEVICE FOR FISHING : en es
  • ES156567A1 - PNEUMATIC PUMP DRIVE SYSTEM : en es
  • ES156737A3 - IMPROVEMENTS IN THE ORGANIZATION OF THE SECAFIRMS : en es
  • GB552318A - Improved textile-treating materials and their applications : en
  • DE733573C - Process for the production of shaped synthetic sponge masses from viscose : de en
  • ES156121A1 - MANUFACTURING DEVICE FOR CLOTHING AND SIMILAR GARMENTS, BASED ON THERMOPLASTIC SYNTHETIC SUBSTANCES : en es
  • ES156826A3 - SWITCHING UNIT FOR ELECTRICAL CURRENT : en es
  • US2314886A - Punch press : en
  • US2314910A - Polymerization of unsaturated compounds having the cyclopentadiene nucleus : en
  • US2315380A - Safety pedal for bicycles : en
  • CA411467A - Tire bead wire wrapping apparatus : en fr
  • DE733790C - Process for the production of carbocyanines : de en
  • ES156041A1 - PROCEDURE FOR THE MANUFACTURE OF A CONTINUOUS TUBULAR ELEMENT, PROVIDED WITH SCOTTED PARTS : en es
  • GB552332A - Improvements in commutator type dynamo electric machines : en
  • ES156423A1 - ELASTIC WHEEL FOR VEHICLES OF ALL KINDS : en es
  • US2315477A - Apparatus for forming sheets of plastic material : en
  • ES156393A1 - NEW KITCHEN : en es
  • PL31492B1 - A method for the production of active gas black, particularly suitable for use in the rubber industry : en pl
  • ES155790A1 - PROCEDURE FOR THE MANUFACTURE OF REDUCERS OF RADIO APPLIANCES BASED ON STRENGTH THREADS : en es
  • ES155847A1 - PROCEDURE FOR OBTAINING A NEW EXPLOSIVE : en es
  • CA411409A - Telephone system : en fr
  • DE733756C - Process for the production of Kuepen dyes : de en
  • ES155822A1 - IMPROVEMENTS IN THE PRESSURE CYLINDERS OF THE HILATURE MACHINES : en es
  • CH226222A - Welding blade. : de en
  • GB552223A - Improvements in or relating to electric blasting initiators : en
  • DE733617C - Device for cutting mechanical sound writing in sound bands using a recorder : de en
  • ES155773A1 - PROCEDURE FOR THE MANUFACTURE OF ACTIVE CARBON : en es
  • ES156592A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156775A1 - PROCEDURE FOR OBTAINING SULFAMIDE DERIVATIVES CICLICAS : en es
  • ES156625A1 - CINEMATOGRAPHIC PROJECTION SYSTEM WITH RELIEF SENSATION : en es
  • PL31493B1 - : en pl
  • US2315343A - Backlash take-up : en
  • PL31510B1 - : en pl
  • CH226368A - Partly automatic change gear. : de en
  • ES156196A1 - MECHANISM FOR THE MOVEMENT OF WALKING TOYS, ESPECIALLY APPLICABLE TO DOLLS : en es
  • ES156674A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • FR880549A - Oxygen breathing apparatus incorporating an alarm device : en fr
  • CH226287A - Process for the production of bearings having bearing bushes and bearings produced by the process. : de en
  • GB552342A - Improvements relating to coke oven doors : en
  • US2315066A - Enlarging easel : en
  • ES156216A1 - PROCEDURE FOR THE MANUFACTURE OF TILES OR PLATES FOR ENTARIMADOS, FRISOS AND APPLICATIONS ANALOGAS, BASED ON WOOD AND AGGLOMERATED OF MINERAL AND VEGETABLE MATERIALS : en es
  • DE733746C - Process for cleaning sugar diffusion juices : de en
  • DE733857C - Carrier frequency system : de en
  • ES156386A1 - PROCEDURE FOR THE PREPARATION OF A PLASTIC MATERIAL CAPABLE OF REPLACING THE RUBBER IN MANY APPLICATIONS : en es
  • ES156813A1 - PROCEDURE FOR OBTAINING AN APPROPRIATE FUEL FOR GASOGENS : en es
  • ES156317A1 - PRESSURE LOADING LAPICERO : en es
  • ES156619A1 - PROCEDURE FOR OBTAINING ELASTIC MATERIALS, SIMILAR TO THE CROSS AND RUBBER, RESINED FROM VEGETABLE SPECIES : en es
  • ES155981A1 - PROCEDURE FOR OBTAINING FILLING BODIES INTENDED FOR CHEMICAL REACTION COLUMNS, DRYING COLUMNS AND SIMILAR COLUMNS : en es
  • ES156590A1 - PROCEDURE FOR OBTAINING DRY STARCH PRODUCTS, SOLUBLE IN COLD WATER : en es
  • USD135353S - Design for a beam compass : en
  • US2315215A - Internal combustion engine : en
  • US2315249A - Pseudo-extension of frequency bands : en
  • US2314976A - Method of improving the adhesion of rubber to cotton : en
  • DE733628C - Double housing steam or gas turbine : de en
  • ES156274A3 - PROCEDURE FOR MANUFACTURING A PLATE THAT CAN BE CUT, NAILED AND BRUSHED : en es
  • FR880611A - Double twist twist spindle : en fr
  • US2315266A - Time-controlled clock attachment : en
  • BE449232A - : en
  • CA411435A - Coating polishing process : en fr
  • ES155886A1 - NEW GASOGEN : en es
  • ES155777A1 - DEVICE FOR THE CONDUCTION OF CAST MATERIAL, ESPECIALLY METAL LIGHT : en es
  • ES156608A1 - APPARATUS FOR MOTORRES OF EXPLOSION TO BENCINA AND POOR GAS, APPLICABLE TO GASOGENOS : en es
  • FR880548A - Dust extraction device : en fr
  • FR880600A - Process for manufacturing yarns or synthetic fibers from albuminoid substances having better spinning, felting and fulling ability and having greater heat resistance : en fr
  • ES156577A1 - PROCEDURE OF CONTINUOUS MANUFACTURING OF HECTOGRAPHIC PAPER : en es
  • ES156598A1 - PROCEDURE FOR THE REFINING OF THE MAGNESIUM STRUCTURE AND ITS ALLOYS : en es
  • ES156774A1 - OIL FILTER : en es
  • ES156876A1 - NEEDLE TO CATCH ESCAPE POINTS IN STOCKINGS AND OTHER GENERATIONS OPERATING ANALOGS COUPLED TO PNEUMATIC, ELECTRIC OR MANUAL MECHANISMS : en es
  • CA411460A - Drain fitting : en fr
  • US2315006A - Method of making bearing caps : en
  • ES155926A1 - MACHINE FOR URDIMBRES : en es
  • ES156776A1 - PROCEDURE FOR PREPARING SULFONAMIDE DERIVATIVES : en es
  • FR880540A - Hurry : en fr
  • FR880607A - Azo dyes and their preparation process : en fr
  • ES155887A1 - STRAW AND FORAGE PACKAGING MACHINE : en es
  • ES156376A1 - ENGINE OF COMBUSTION BY INJECTION WITH A CHAMBER OF TURN : en es
  • FR880734A - Telephone headsets : en fr
  • DE733585C - Process for the manufacture of a stainless steel cooking vessel with a cast base : de en
  • PL31598B1 - The method of printing dyes : en pl
  • ES156572A1 - IMPROVEMENTS IN THE MANUFACTURE OF COMBUSTIBLE AGGLOMERATES : en es
  • GB552271A - Improvements in or relating to means for extinguishing fires due to inflammable vapours : en
  • FR880640A - Generating device, modulator or amplifier of electrical oscillations : en fr
  • PL31482B1 - Bruno Nier, Beierfeld A1KP FUI U / CO The head of the lighthouse that does not go out in the wind, to which) air is supplied from the outside : en pl
  • ES155804A1 - GASIFICADOR DEPURADOR UNIVERSAL FOR ENGINES AND GASOGENS : en es
  • ES156610A1 - PROCEDURE FOR MANUFACTURING A LUBRICATION PRODUCT AND ANY HYDROCARBON EMULSIONS : en es
  • FR880657A - Assembly for the passage from a hollow tubular line to a double wire or tape line : en fr
  • FR880697A - Brake pads : en fr
  • FR880699A - Device for dental instruments such as milling machines, grinding machines, grinding machines and the like : en fr
  • ES156487A1 - PROCEDURE FOR THE PREPARATION OF 2-AMINOARILENTIAZOLES : en es
  • ES156747A1 - WOOD VULCOSTERILIZATION PROCEDURE : en es
  • ES155751A1 - PROCEDURE FOR THE MANUFACTURE OF AN ENDLESS FLEXIBLE BELT OR BELT THAT CARRIES REGISTERED SOUNDS IN AN ADEQUATE WAY FOR ITS FAITHFUL REPRODUCTION : en es
  • GB552251A - Improvements in or relating to a work piece holding or clamping jaw : en
  • US2315369A - Television system : en
  • DE733789C - Arrangement for generating tilting vibrations : de en
  • US2315294A - Method of brazing : en
  • PL31555B1 - : en pl
  • US2315296A - High frequency amplifier circuits : en
  • CH226212A - Process for the production of tension members using paper. : de en
  • PL31594B1 - : en pl
  • US2314989A - Electrical contacting device : en
  • US2315079A - Conveying powdered material : en
  • US2315194A - Building block : en
  • AT160896B - Textile structures made from condensation polymers and process for their manufacture : de en
  • CA411386A - Autofrettaged hub : en fr
  • CA411535A - Aircraft fuel pump : en fr
  • US2314929A - Method of producing higher alkyl aromatic sulphonates : en
  • SU62478A1 - Continuously operating extraction apparatus : en ru
  • CH226229A - Device for the continuous splitting of fats and oils. : de en
  • US2315264A - Electric controlling apparatus : en
  • DK60740C - Radio receiver coupling for modulation of a received signal with locally generated oscillations. : da en
  • US2315396A - Easel-type book and method : en
  • US2315417A - Expansion link : en
  • CH226228A - Process for the production of a new azo pigment. : de en
  • CA411465A - Electric welding system : en fr
  • US2315416A - Hunting coat : en
  • PL31597B1 - : en pl
  • CH226404A - Self-priming circulation pump. : de en
  • PL31563B1 - : en pl
  • CH226260A - Induction counter. : de en
  • ES155765A1 - LIMITER OF AMPLITUDE : en es
  • CH226235A - Support plate for card files. : de en
  • DE733745C - Back suction protection device for clean water pipes : de en
  • FR880729A - Auxiliary control device for pressure regulators : en fr
  • ES156842A1 - ELECTRICAL UNDERWATER LIGHTING APPARATUS : en es
  • ES156058A1 - PROCEDURE FOR FIXING ON SOLID BASES OBJECTS OBTAINED FROM OLD RUBBER CRUSHED : en es
  • ES156659A3 - DISTRIBUTION DEVICE FOR GEAR-DRIVEN STAGEABLE ROTARY CAM VALVES, INTENDED FOR ELASTIC FLUID MOTORS : en es
  • ES155745A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FLAT ROOFS FOR BUILDINGS : en es
  • FR880727A - Improvements to so-called heat-conserving devices : en fr
  • FR880517A - Radio transmitters, specially intended for blind landings at aerodromes : en fr
  • FR880740A - Advanced tool for cleaning windows : en fr
  • ES156633A1 - PUMP PROVIDED WITH RODS DISPOSED NEXT TO ANOTHER, AND ESPECIALLY A FUEL INJECTOR PUMP FOR EXPLOSION ENGINES : en es
  • DE733675C - Closed high-performance fuse with connection lugs : de en
  • ES156180A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • GB552265A - Improvements in or relating to froth flotation and like agitation and aeration apparatus : en
  • ES155738A1 - GASOGEN TO ACTIVATE VEHICLES AUTOMOVILES : en es
  • DE733563C - Process for the production of a filter material for the retention of acidic gases from breathing air : de en
  • ES156492A3 - SWITCHING UNIT FOR ELECTRICAL CURRENT : en es
  • ES156848A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2315124A - Drying machine : en
  • US2315414A - Sucker rod coupling : en
  • USD135337S - Tee ka chay : en
  • ES156464A1 - PROCEDURE FOR THE MANUFACTURE OF FLOORING FOR ROOF AND CEILINGS : en es
  • ES156637A1 - FIORATED POWER SYSTEM FOR COMBUSTION ENGINES : en es
  • ES156721A1 - IMPROVEMENTS IN THE GRADUABLE DETERMINATION AND OBTAINING DEVICES, WHICH APPLY TO PULVERULENT AND GRANULATED MATERIAL OUTPUT HOLES : en es
  • US2315007A - Rotary excavator : en
  • ES155919A1 - ANYOID TYPE GAUGE TO MEASURE THE PRESSURE IN GAS OR LIQUID : en es
  • US2314973A - Wringer with upsweep reset handle : en
  • US2315140A - Cotton gin : en
  • US2315428A - High voltage switch : en
  • DE733738C - Dressing device for grinding wheels : de en
  • PL31530B1 - Rudolf L'Orange, Stuttgart-Feuerbach Multi-cylinder fuel injection pump ¦ * - - jj " : en pl
  • US2315224A - Cuprammonium cellulose spinning process : en
  • CA411546A - Vitamin preparation : en fr
  • ES156116A1 - GASOGENO DE CARBON VEGETAL APPARATUS FOR THE PROPULSION OF CARS AND TRUCKS AUTOMOVILES : en es
  • DE733814C - Arrangement for suppressing the harmonics of reactors or transformers premagnetized with direct current : de en
  • CA411495A - Rotary intaglio printing press : en fr
  • CH226265A - Light sound device for the scanning of double writing. : de en
  • US2314922A - Glove construction : en
  • US2315000A - Telephone system : en
  • ES155809A1 - SPEED REDUCER WITH EPICICLOIDAL GEAR : en es
  • FR880650A - Vertical firebox for steam generator : en fr
  • GB552262A - Nut?like locking element for screws : en
  • ES156001A1 - PERFECTED GAS SYSTEM FOR AUTOMOBILES : en es
  • ES155969A1 - OSCILLATING TABLE APPARATUS FOR THE SEPARATION AND CONCENTRATION OF DIVERSE DENSITY MATERIALS : en es
  • US2315259A - Treating glass fibers : en
  • DE733641C - Electric fan : de en
  • ES155979A1 - SWITCH APPARATUS TO PRODUCE LUMINOUS EFFECTS OF MOVEMENT TRASLATORIO IN SCREEN OF BULBS : en es
  • ES156467A1 - A PHOTOUTOMATA : en es
  • DE733847C - Device for covering the fuel openings of chamber ovens or the like. : de en
  • FR880643A - Process for obtaining iron-chromium slag : en fr
  • PL31551B1 - : en pl
  • PL31579B1 - : en pl
  • US2314987A - Heating appliance : en
  • US2315286A - Gaseous discharge lamp : en
  • FR880609A - Compound pad : en fr
  • ES156896A1 - PROPULSION SYSTEM USING THE HUMAN MUSCLE STRENGTH FOR ALL KINDS OF APPLICATIONS AND PARTICULARLY FOR AGRICULTURAL MACHINES : en es
  • GB552283A - Improvements in or relating to connections for structural members : en
  • ES156611A1 - HYDRAULIC PRESS OF MULTIPLE CYLINDERS AND CONTINUOUS WORK INTENDED FOR THE EXTRACTION OF VEGETABLE OILS AND OTHER FRUIT JUICES : en es
  • FR880510A - Lower air resistance body : en fr
  • FR880513A - Assembly comprising an ultra-short wave tube : en fr
  • BE449127A - : en fr
  • CH226199A - Rotating grid. : en fr
  • US2315362A - Facsimile recording apparatus : en
  • US2315370A - Fluid pressure regulator : en
  • USD135382S - Lamb figure toy or the like : en
  • GB552347A - Improvements relating to sieving frames : en
  • DE733713C - Device for microscopic testing of bearing balls : de en
  • ES156247A1 - FLASH LAMP : en es
  • FR880736A - Electric accumulator : en fr
  • GB552350A - Improvements in or relating to brushes : en
  • ES156064A1 - IMPROVEMENTS INTRODUCED IN THE PRODUCTION OF MAGNESIUM THROUGH THERMAL VIA : en es
  • ES156484A1 - PROCEDURE FOR COATING CONDENSERS WITH A FUSIBLE MASS PROTECTIVE COVER : en es
  • ES155821A1 - FILTER SYSTEM GASOGENO GAS DEPURATOR : en es
  • ES156551A1 - SYSTEM FOR THE INTERPOSITION OF PROPELLERS, FREELY ROTATING, INSIDE THE OUTLETS OR EXPULSION OF GASES, OF ANY PROPELLER BY REACTION : en es
  • ES156229A1 - PROCEDURE FOR OBTAINING ORGANIC-NITROGENATED-POTASSIC FERTILIZER : en es
  • ES156099A1 - ROTARY OVEN PAERA THE FUSION AND THE REFINED SUBSIGUENT OF METALS, THROUGH MECHERO : en es
  • GB552281A - Improvements connected with water heating apparatus : en
  • GB552286A - Improvements in treatment of fibres or fibrous materials containing keratin and compositions therefor : en
  • ES156000A1 - GASOGEN FOR EXPLOSION ENGINES BY CARBON COMBUSTION : en es
  • ES156175A1 - NEW GASOGEN : en es
  • ES156185A1 - PROCEDURE FOR THE ELECTROPHONETIC RECOVERY OF METAL PARTS OF ANY WAY IN DETERMINED POINTS : en es
  • ES156646A3 - PROCEDURE FOR THE MANUFACTURE OF BEAUTY, HYGIENE AND SOAP PRODUCTS : en es
  • FR880667A - Explosion-proof sealing device : en fr
  • US2315479A - Oval cutting machine : en
  • ES155782A1 - PROCEDURE FOR MANUFACTURING COPPER AMMONIUM : en es
  • ES156713A1 - IMPROVEMENTS IN THE CONSTRUCTION OF HEATERS FOR BIGUDIS : en es
  • FR880711A - Shock absorbers for shoes with wooden soles : en fr
  • FR880741A - Articulated sole : en fr
  • GB552331A - Improvements in or relating to thermionic amplifiers : en
  • ES156654A1 - PIPE DEVICE WITH MERCURY CATALOG DESTINED TO THE INTERRUPTION OF HIGH VOLTAGE ELECTRICAL CURRENTS : en es
  • FR880608A - Suspended matter filter, the walls of which are assembled by crimping flanges : en fr
  • ES156355A1 - AIRPLANE SUSTAINABILITY WING WITH STABILIZATION CONTROL : en es
  • ES156808A1 - JOINT RING MANUFACTURING PROCEDURE : en es
  • US2315464A - Calculating machine : en
  • CA411490A - Pumping needle and vein clamp : en fr
  • CH226311A - Heat exchangers for liquids or gases. : de en
  • CH226341A - Self-baking electrode on electric ovens. : de en
  • ES156573A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2315043A - Electric amplifier system : en
  • US2315227A - Water heating and deaerating apparatus : en
  • US2315345A - Box trap for catching many animals at one setting : en
  • US2315330A - Adjustable slidable electrode condenser : en
  • ES155734A1 - IMPROVEMENTS IN GAS SYSTEMS FOR MECHANICAL TRACTION VEHICLES : en es
  • ES155818A1 - IMPROVEMENTS IN THE MOLDS FOR THE CENTRIFUGATION OF PARTS OF MORTARS AND CEMENT CONCRETE, ARMED OR NOT : en es
  • GB552306A - Conductive shoe : en
  • US2315282A - Method of and apparatus for determining characteristics of surfaces : en
  • CA411394A - Metal container : en fr
  • PL31487B1 - : en pl
  • AT160892B - Vaulted ceiling made of magnesite bricks, special magnesite bricks or chromite magnesite bricks for industrial furnaces : de en
  • US2315444A - Insulated rail joint and insulation therefor : en
  • US2315102A - Lavatory lock : en
  • DE733558C - Arrangement of three-phase transformers or three-phase choke coils with additional windings : de en
  • GB552359A - Selective multiple feed device for rolling mill : en
  • CH226255A - Procedure for determining the location using a rotating radio beacon. : de en
  • DE733614C - Process for the production of self-curing and acid-proof water glass cements : de en
  • ES156601A1 - DISPOSAL OF AVAILABLE SPACE FOR TRAVELERS IN TERRESTRIAL, AQUATIC OR AERIAL VEHICLES : en es
  • PL31499B1 - : en pl
  • AT160902B - Process for adding synchronization pulses to icons in television broadcasts : de en
  • CA411560A - Paper treatment : en fr
  • CA411378A - Ornamental wheel disc : en fr
  • PL31593B1 - Device for monitoring the operating temperature in motor vehicles : en pl
  • US2315198A - Heat resistive material, especially building material, and method of making same : en
  • US2315201A - Recovering ammonia from used cuprammonium artificial silk precipitation liquors : en
  • CA411412A - Automatic telephone switch : en fr
  • CA411520A - Asbestos-cement pipe : en fr
  • PL31581B1 - : en pl
  • US2315181A - Weighing machine with digit indication of weighing value : en
  • US2315056A - Paper doll or the like : en
  • US2315389A - Valve control : en
  • ES156734A1 - CHANGE OF SPEED, ESPECIALLY INTENDED FOR VEHICLES AUTOMOBILE WITH PARTIALLY AUTOMATIC CLUTCH OF THE DEGREES OF TRANSMISSION : en es
  • CA411525A - Diamond cutting tool manufacturing apparatus : en fr
  • CH226389A - Motor bogie for electric rail vehicles. : de en
  • US2315116A - Quick opening package : en
  • US2315232A - Water-insoluble disazo dyes : en
  • US2315429A - High speed drive : en
  • CA411426A - Gas blast circuit breaker : en fr
  • CH226269A - Machining device. : de en
  • CH226298A - Pump with swash plate drive. : de en
  • PL31515B1 - : en pl
  • US2315437A - Perforator for well pipes : en
  • US2315285A - Food treatment and/or storage apparatus : en
  • US2315089A - Wash tank : en
  • US2315349A - Label wiping mechanism : en
  • US2315371A - Dress form and hanger : en
  • CH226249A - Gun shell. : de en
  • CA411457A - Rail tie plate punching apparatus : en fr
  • CA411371A - Locomotive grate : en fr
  • ES156807A1 - CHANGE OF MARCHES AND TRANSMISSION BY TREE APPLIED TO THE BICYCLE : en es
  • ES156850A1 - PROCEDURE FOR MANUFACTURING BOXES FOR RADIO-RECIPIENT APPLIANCES BASED ON MOLDING PASTES, EQUIPPED WITH INTERIOR ARMOR : en es
  • FR880554A - Elastic suspension device for velocipede : en fr
  • DE733866C - Pressure load cell : de en
  • ES156748A1 - IMPROVEMENTS INTRODUCED IN GASOGENS : en es
  • FR880655A - Installation of loudspeakers for contradictory conferences : en fr
  • US2315440A - Weed guarded fish lure : en
  • CA411381A - Preserved food product manufacture : en fr
  • ES156153A3 - FUSE CARTRIDGE SUPPORT BOX SYSTEM : en es
  • ES156676A1 - IMPROVEMENTS IN MANDRILES : en es
  • CA411369A - Watch bow pliers : en fr
  • PL31585B1 - : en pl
  • US2315265A - Manufacture of artificial staple fibers : en
  • US2315270A - Hydraulic control system for aircraft : en
  • CA411432A - Plastic composition for laminated glass sheets : en fr
  • DK60743C - Terminal block for electrical wires. : da en
  • ES156621A1 - DOUBLE EXPANSION EXPLOSION ENGINE : en es
  • US2315410A - Filter powder : en
  • USD135380S - Design for an emblem pin : en
  • AU116726B2 - Furnace charge distribution : en
  • US2315251A - Combination mixer : en
  • US2315222A - Refrigerating apparatus : en
  • ES156003A1 - GASOGENO APRA VACUUM CLEANER : en es
  • GB552237A - Method of manufacturing metallic magnesium : en
  • CH226328A - Overload protection device. : de en
  • US2315433A - Angle plate for machine tables : en
  • USD135375S - Housing for a fluorescent lighting fixture : en
  • US2315068A - Convex faced gear : en
  • US2315327A - Thermal timer for automatic tomasters : en
  • CA411422A - Magnetic structure : en fr
  • US2314959A - Powdered soap dispenser : en
  • US2315105A - Container : en
  • US2315155A - Oarlock : en
  • US2315046A - Production of ketones : en
  • DE733741C - Process for the production of corrugated sheets from fiber materials and hydraulic binders : de en
  • ES155820A1 - PERFECTED GASOGEN : en es
  • PL31466B1 - : en pl
  • FR880534A - Process for preparing cellulose ethers : en fr
  • FR880695A - Process for the preparation of 2-methyl-4-ethoxymethyl-5-cyano-6-chloro-pyridine : en fr
  • DE733715C - Air conveyor for gas purging devices : de en
  • ES155760A1 - SYNCHRONOUS GROUP CONTINUOUS CURRENT CONVERTER FOR ARC WELDING : en es
  • ES156101A1 - PLATFORM FRAME SYSTEM FOR AUTOMOBILE VEHICLES : en es
  • CH226339A - Magnetron. : de en
  • CH226304A - Multi-cylinder fuel pump with cylinders arranged in a row and with regulation of the delivery rate by adjusting control elements, a control element being assigned to each pump cylinder. : de en
  • US2314965A - Apparatus for signalizing the decrease of pressure of pneumatic tires : en
  • US2315461A - Toy submarine : en
  • US2314954A - Car construction : en
  • US2315452A - Photographing apparatus : en
  • DE733547C - Washing device : de en
  • US2315187A - Cyanidation of ore pulps with limited agitation : en
  • US2315230A - Combination dough mixer refrigerating means and water cooling device : en
  • CA411455A - Mould for producing composite metal stocks : en fr
  • US2315002A - Ornamental organic derivative of cellulose fabric : en
  • US2315420A - Diagram board : en
  • CA411366A - Airfoil lift coefficient varying means : en fr
  • CA411559A - Carding machine : en fr
  • ES156282A1 - IMPROVEMENTS IN THE MANUFACTURE OF LUMINOUS TOOLS : en es
  • FR880599A - Device for the remote transmission of angular movements, in particular for remote signaling : en fr
  • ES155891A1 - PROCEDURE FOR OBTAINING OLEUM, FROM SULFURIC ACID : en es
  • GB552270A - Improvements in and relating to thermosetting aminotriazine-formaldehyde condensation products : en
  • CH226370A - Control valve for truck brakes. : de en
  • US2315078A - Conversion of hydrocarbons : en
  • DE733523C - Arrangement for the simultaneous transmission of several different signals or messages : de en
  • CH226346A - Puncture device, in particular for lung cavern puncture. : de en
  • DE733736C - Procurement of compressed air for air brakes, especially on motor vehicles : de en
  • ES156396A1 - GENERATOR OF AERIAL FOAM, ACTING BY INJECTOR MODE : en es
  • ES156523A1 - PROCEDURE FOR THE PREPARATION OF WOOLS, FIBERS AND SMOOTHES VOLUMINOUS, CURLY AND SIMILAR TO THE WOOL : en es
  • ES156845A1 - PROCEDURE FOR THE PREPARATION OF CALPH PHOSPHATE : en es
  • US2314921A - Pressure retaining device : en
  • USD135371S - Jbwel ry : en
  • BE449153A - : en fr
  • ES156226A1 - DEVICE FOR CUTTING A BEAM OF ARTIFICIAL FIBERS IN EQUAL SECTIONS : en es
  • US2314905A - Harvester cutter bar : en
  • US2315390A - Excreta bag : en
  • CA411459A - Article handling apparatus : en fr
  • ES155814A1 - PROCEDURE FOR FIXING THE COVERS TO THE MOLDS TO CONFIGURE PARTS OF MORTARS AND CEMENT CONCRETE, ARMED OR NOT : en es
  • US2315060A - Traction chain fastening device : en
  • US2314952A - Regulating apparatus : en
  • US2315293A - Billfold and the like : en
  • ES156192A3 - GAS AND PETROL MIXING DEVICE FOR COMBUSTION ENGINES WITH GASOGEN INSTALLATION : en es
  • GB552357A - Improvements in or relating to packages for surgical suture materials : en
  • US2315179A - Pumping of liquids : en
  • ES156585A1 - PROCEDURE FOR THE AFILOTING OF REGENERATED LEATHER : en es
  • DE727309C - Cartridge extractor with claw evading from the gripping position at right angles to the bolt movement : de en
  • PL31507B1 - A method for producing alcoholic liquids and an apparatus for carrying out the method : en pl
  • DK60742C - Tuning device for Radio Receivers. : da en
  • US2314895A - Bottle holder : en
  • US2315381A - Machine for applying dry transfers of markings : en
  • ES156607A1 - MANUFACTURING AND PLACEMENT PROCEDURE OF DRAWERS WITHOUT BACKGROUND IN WORKS AMRITIMAS : en es
  • ES155998A1 - PROCEDURE FOR OBTAINING NEW COMPOUNDS OF SERIES CICLOPENTAPOLIHIDROFENANTRENICA : en es
  • US2315323A - Selective machine : en
  • ES156762A1 - IMPROVEMENTS IN A POOR GAS GENERATOR, WITH CARBON VEGETAL, FOR MOTOR VEHICLES : en es
  • FR880556A - Thomas raw iron manufacturing process : en fr
  • DE686366C - Process for the production of the outer part of a two-part safety nut : de en
  • DE733760C - Process for the production of pourable and meltable polymers : de en
  • ES156250A1 - PROCEDURE FOR OBTAINING ARTIFICIAL PRODUCTS : en es
  • DE733658C - Picture set on cinema equipment : de en
  • DE733794C - Radiator : de en
  • DE733677C - Process for maintaining the effectiveness of the washing solution consisting of potassium carbonate and bicarbonate in plants for the removal of hydrogen sulfide and other acidic contaminants from gases : de en
  • ES155868A1 - BRAKE DEVICE OF 2 CIRCUITS, FOR TRUCKS, BUSES AND SIMILAR : en es
  • ES156891A1 - BICYCLE BRAKE DEVICE : en es
  • US2315446A - Feeding and straightening machine : en
  • US2314982A - Tobacco pipe : en
  • US2315237A - Hose supporter : en
  • US2315358A - Electric metallic arc welding : en
  • ES156383A1 - MANUFACTURING PROCEDURE OF HYDRAULIC TILES IMITATING ALL KINDS OF JASPES AND MARBLES : en es
  • ES156412A1 - TROLLEY FOR ELECTRIC VEHICLES WITHOUT LANES AND SUPERIOR MULTIPOLAR DRIVING : en es
  • US2314919A - Method for removing weakly acidic substances from water-immiscible liquids : en
  • CA411507A - Storage battery plate production : en fr
  • ES155801A1 - PROCEDURE FOR OBTAINING PLASTIC MATERIALS : en es
  • ES156788A1 - PROCEDURE FOR OBTAINING COPPER AND OTHER METALS FROM COMPLEX MINERALS : en es
  • ES156792A3 - ELECTRIC SWITCHING SWITCH SYSTEM : en es
  • ES156117A1 - PROCEDURE TO IMPROVE THE RESISTANCE OF PHOSPHATIC LAYERS FOR PROTECTION OF SURFACES OF IRON, STEEL, CAST IRON AND FERROUS ALLOYS : en es
  • ES156419A1 - DEVICE FOR THE MANEUVER OF SLIDING GATES IN HYDRAULIC FACILITIES : en es
  • PL31588B1 - : en pl
  • US2315110A - Control apparatus for aircraft : en
  • US2315299A - Axle compensator : en
  • ES155903A1 - SUSTAINABLE PLAN FOR AIRCRAFT WITH VARIABLE LIFTING OF THE PROFILE OR TRANSVERSAL SECTION : en es
  • ES156583A1 - ASSEMBLY DESIGNED TO SUPPLY A CURRENT IN SIERRA TEETH TO THE DEFLECTION COILS OF A CATHODE RAY TUBE : en es
  • ES155803A1 - PROCEDURE FOR OPENING CELLULOSE WOOL FIBERS RECENTLY CUT : en es
  • FR880718A - Improvement in vacuum filters : en fr
  • DE733743C - Device for lateral movement of conveyors : de en
  • DE733603C - Additional equipment for self-connecting telephones : de en
  • DE733727C - Press grinder for making wood pulp : de en
  • ES156387A1 - IMPROVEMENTS INTRODUCED IN CLAMPS FOR FREZADORAS : en es
  • CH226198A - Device for regulating gas generators. : de en
  • USD135395S - Design for a textile fabric : en
  • CA411438A - Chemical process and product : en fr
  • DE733782C - Device to protect devices in series with the network against overvoltages : de en
  • FR880505A - Two-stroke internal combustion engine with mixture compression : en fr
  • DE733767C - Safety device for a group of several shut-off or control organs : de en
  • FR880521A - Small dobby for looms : en fr
  • ES156638A1 - LIGHTER SYSTEM FOR PRIVATE OFFICES AND HOUSES : en es
  • FR880661A - Drive device for counters, in particular for hand-lap counters : en fr
  • GB552245A - Production of tamperproof seals for bottles and the like : en
  • CA411534A - Aircraft fuel pump by-pass valve : en fr
  • PL31586B1 - : en pl
  • US2315088A - Game board : en
  • SU62525A1 - Electric machine with multiple headers : en ru
  • US2314930A - Headlight dimmer switch : en
  • GB552232A - Improvements in or relating to reflector blocks for road surface marking : en
  • DE733242C - Noise and vibration-reducing pad for typewriters : de en
  • DE733559C - Method for adjusting the capacitance value of electrical tubular capacitors, in particular with a dielectric made of ceramic material, glass or the like, with coverings applied directly to it in such a way that the outer coverings shield the inner ones : de en
  • DE733600C - Rotary multiplier for hectographic mirror writing originals : de en
  • US2315277A - Radiosonde humidity element : en
  • CA411431A - Dialkylethenone preparation : en fr
  • CH226282A - Device for interconnecting the opposite ends of a flat link. : en fr
  • ES155879A3 - ELECTRIC OVEN WITH CHARCOAL RESISTANCE : en es
  • FR880525A - Sulfuriferous dyestuff manufacturing process : en fr
  • CH226224A - Cleaning device for air or gas. : de en
  • US2315162A - Measuring and dispensing machine : en
  • US2315173A - Arrangement for noise elimination at the receiver : en
  • ES156349A1 - PROCEDURE FOR OBTAINING A COATED SOLDERING ROD : en es
  • US2314941A - Animal exercising anchorage : en
  • US2314980A - Constant pressure wringer : en
  • US2315166A - Method and machine for knitting : en
  • US2315367A - Cathode-ray tube : en
  • US2315460A - Refrigerating machine : en
  • DE733665C - Inlet tank cap : de en
  • US2314970A - Window and operating means therefor : en
  • CH226292A - Device for amplifying torques. : de en
  • CH226402A - Device for keeping the film speed constant on the sound drum of a sound film machine, which is kept rotating by the film. : de en
  • ES155866A1 - PROCEDURE OF CHLORATION OF ARPMATIC HYDROCARBONS : en es
  • ES156695A1 - IMPROVEMENTS IN EXOTHERICAL WRAPS EXECUTED WITH ENVELOPES OR SAQUITOS, FOR THE CURLING OF THE HAIR : en es
  • ES156716A3 - IMPROVEMENTS IN THE PISTONS FOR COMBUSTION ENGINES : en es
  • ES156110A1 - CHANGE CONTROLLER SYSTEM FOR TELEPHONE COMMUNICATIONS : en es
  • GB552253A - Improvements in the production of cellodextrin derivatives : en
  • SU62386A1 - Vibrator : en ru
  • US2314945A - Machine for sharpening lawn mowers : en
  • CH226347A - Face protection device for motorcyclists, skiers, etc. : de en
  • ES156091A1 - PROCEDURE FOR MANUFACTURING SEQUITOS CATALYSTS FOR HAIR CURING : en es
  • CA411506A - Metal coated collapsible tube : en fr
  • DE733599C - Device for introducing chemicals into steam boiler feed lines : de en
  • ES156261A1 - CONNECTION TO PRODUCE DEFLECTING CURRENTS IN THE FORM OF SAW TEETH : en es
  • ES156377A1 - PROCEDURE FOR OBTAINING A LIGHT METAL ROD : en es
  • US2315130A - Clutch construction : en
  • US2315229A - Apparatus for comminuting dry substances, pastes, and the like : en
  • PL31574B1 - : en pl
  • US2315156A - Low-alloy corrosion-resistant steel : en
  • US2314867A - Semithreadless drill stem : en
  • US2314934A - Highway maintaining device : en
  • AU750542A - Improvements relating *to flame traps for exhaust gases from internal combustion engines of air craft and other vehicles : en
  • CA411470A - Brominated phthalic acid : en fr
  • ES156371A1 - GASIFICATION FILTER SYSTEM FOR GASOGEN OF CARBON OR WOOD : en es
  • USD135403S - Design fob a dress : en
  • ES156156A3 - PROCEDURE FOR THE MANUFACTURE OF SHEET METAL LIGHTS FOR OIL LIGHTING WITH FLAT WICK : en es
  • FR880688A - Horizontal and tilt adjustable mounting device for saddle support and other applications : en fr
  • ES155905A1 - SYSTEM AND APPARATUS FOR THE SYNCHRONIZATION OF A GENERATOR OF ELECTRIC OSCILLATIONS THROUGH A FREQUENCY TENSION OF THE GENERATOR, PARTICULARLY FOR TV : en es
  • ES155988A1 - PARTS MANUFACTURING PROCEDURE : en es
  • ES156331A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BODYWORKS FOR AUTOMOBILES : en es
  • ES156649A1 - PROCEDURE FOR THE EXTRACTION OF THE VEGETABLE CASEIN OF THE OILY SEED PRESSING CAKES : en es
  • ES156893A3 - COMBUSTION ENGINE WITH A PROVISION TO PRESSURE GRADUATE THE REGULATORY BODIES : en es
  • AU531742A - Improvement in bicycle driving gear : en
  • BE449276A - : en
  • CH226180A - Pest control methods. : de en
  • PL31517B1 - : en pl
  • GB552294A - Improvements in or relating to fluid pressure responsive devices : en
  • BE449092A - : en
  • ES155861A1 - PROCEDURE FOR THE MANUFACTURE OF FATTY ACIDS, ALDEHYDES, CHEATS AND ALCOHOLS : en es
  • ES155918A1 - MECHANICAL RELAY DEVICE : en es
  • ES155951A1 - REGULATORY NOZZLE FOR ANCIENT FIRE EXTINGUISHING AND PROTECTION USES : en es
  • GB552233A - Screw-cutting die heads : en
  • DE733562C - Process for the simultaneous grinding and drying of lignite : de en
  • CA411471A - Lubrication system : en fr
  • CA411440A - Brush bristling machine : en fr
  • DE733831C - Trailer for motor vehicles : de en
  • ES156892A1 - CARBONIZATION OVEN DEFUBE OF CUBA WITH CENTRAL PIPE OF OUTPUT OF GASES OF SWEEPING : en es
  • US2315408A - Magnetic suspension : en
  • US2314868A - Flowing device, tubing, and casing flow : en
  • CA411523A - Measuring instrument : en fr
  • USD135366S - Design for an atomizek : en
  • CH226246A - Ski pole plate. : de en
  • CH226317A - Clamping contact device for electrical conductors, which consist of metals with low fatigue strength. : de en
  • US2314927A - Bead setter : en
  • US2315197A - Method of preparing alkylated hydrocarbons from normal paraffinic hydrocarbons : en
  • ES155914A1 - PROCEDURE FOR OBTAINING THE ARSENIOUS ANHYDROID AND THE DIFFERENT ARSENIATES FROM THE SULFOARESANIUM IRON : en es
  • ES156818A1 - PROCEDURE FOR OBTAINING HAIR-BASED THREADS : en es
  • US2315139A - Process for separation of furfurylamines : en
  • FR880506A - Device for mounting the axial fan of engines with two rows of cylinders arranged in a v-shape : en fr
  • DE733796C - Friction gear : de en
  • CH226291A - Pressure relief valve. : de en
  • CA411447A - Loose-fill insulation material : en fr
  • CH226340A - Low frequency induction furnace. : de en
  • CH226284A - Screw nut. : de en
  • CH226322A - Electric switch. : de en
  • ES156202A1 - IMPROVEMENTS IN THE PROCEDURES OF THE TYPE OF THE USED APRA THE SYNCHRONIZATION OF THE IMAGES IN TELEVISION : en es
  • ES156787A1 - APPARATUS FOR THE INTEGRAL AUTOMATIC SEPARATION OF THE MAGNETIC PRODUCTS CONTAINED IN THE IRON, INDUSTRIAL WASTE MINERALS : en es
  • ES156189A1 - LUBRICATION PROCEDURE OF FIBROUS MATERIALS : en es
  • ES156547A1 - TAPE FILTER : en es
  • GB552243A - Means for preventing slipping of records on turntables of phonographs : en
  • CA411410A - Pressure regulating device for fluid supply systems : en fr
  • CH226319A - Cable connection clamp with spring compression. : de en
  • DE733647C - Two-stroke internal combustion engine with crankcase air purge and mixture introduction through a separate charge pump : de en
  • ES155824A1 - IMPROVEMENTS IMPROVED IN THE PRODUCTION OF ZINC, IRON AND COPPER ALLOYS : en es
  • ES156658A1 - GAS SYSTEM TO COMBUSTION OF FIREWOOD FOR EXPLOSION ENGINES IN GENERAL, AND ESPECIALLY FOR TRUCKS AND AUTOMOBILES : en es
  • CA411558A - Cellulose derivative dyeing method : en fr
  • ES156011A1 - IMPROVEMENTS IN THE CONSTRUCTION OF GASOGENS : en es
  • CA411557A - Sand filter cleaning device : en fr
  • BE449162A - Ester preparation process : en fr
  • DK60753C - Power plant, operated by a gaseous working means, and the procedure for its regulation. : da en
  • FR880567A - New belt and its manufacturing method : en fr
  • ES156024A1 - PROCEDURE FOR THE MANUFACTURE OF AROMATISED BEVERAGES, ALCOHOLISED OR NOT : en es
  • ES156073A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • ES156219A1 - DEVICE TO AVOID THE USE OF SUPPLEMENTS IN THE SPOON FOR THE LATHE AND OTHER MACHINES : en es
  • CA411388A - Screw threading tap or die holder : en fr
  • US2314862A - Fruit pitting chuck : en
  • DE733531C - Adding machine : de en
  • DE733530C - Process for the production of heat and sound insulation compounds : de en
  • DE733593C - Folk amusement facility with several vehicles that can be moved along a curved roadway : de en
  • DE733838C - Device for the electrical transmission of characters and symbols : de en
  • ES155889A1 - DISPOSAL AND APPLIANCE PROCEDURE, ASSOCIATED WITH AN OVEN, FOR THE FURTHER PROCESSING OF DESICATED MATTER : en es
  • PL31569B3 - Method for the production of isoxazolocarbonic acid derivatives of amide character : en pl
  • CA411377A - Venetian blind : en fr
  • ES156697A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2315334A - Shoe : en
  • US2315337A - Refrigerator door fastener : en
  • ES156095A1 - ELECTRICAL APPLIANCE-POWERED BY THE WIND FOR THE PRODUCTION OF ELECTRIC POWER : en es
  • ES156356A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • GB552279A - Improvements in or relating to steam turbine regulating systems : en
  • GB552339A - Improvements relating to the construction of ships : en
  • GB552316A - Improvements in or relating to the production of pantothenic acid or intermediate products : en
  • CA411424A - Electric protective apparatus : en fr
  • GB552352A - An improved oil burner : en
  • DE733656C - Sewing machine for sewing Osen- or Butzenknoepfen : de en
  • DE733765C - For the operation with different coins serving self-sellers for gas, electricity or the like. : de en
  • DE733832C - Fastening device for the steering gear of motor vehicles on the vehicle frame : de en
  • ES155829A1 - MANUFACTURING PROCEDURE FOR MOLDED TRANSLUCENT AND IRROMBABLE OBJECTS : en es
  • CA411387A - Machine tool support actuating mechanism : en fr
  • ES155826A1 - PROCEDURE FOR THE MANUFACTURE OF FATTY ACIDS AND THEIR DERIVATIVES BY FERMENTATION OF CELLULOSE HYDROLYSED PRODUCTS : en es
  • US2315033A - Cornice for windows : en
  • ES156098A1 - PROCEDURE FOR THE MANUFACTURE OF BENCILO CHLORIDE : en es
  • GB552295A - Improvements relating to means for use in the tapping of nuts : en
  • ES156398A1 - BRAKE SPRAY, ESPECIALLY A CONCRETIONED ARTIFICIAL CARBON BRAKE SHOE : en es
  • ES156428A1 - IMPROVEMENTS IN FANS AND CENTRIFUGAL PUMPS : en es
  • ES156820A3 - PROCEDURE FOR THE MANUFACTURE OF METAPHOSPHORIC ACID, METAPHOSPHATES AND THEIR POLYMERS : en es
  • FR880656A - Rotor for exhaust gas turbines : en fr
  • ES156146A1 - APPARATUS FOR THE SUCCESSIVE SUPPLY OF HOT BEVERAGES : en es
  • ES156827A1 - MANUFACTURING PROCEDURE OF FURNITURE : en es
  • FR880717A - Mechanized naval combat game : en fr
  • DE733771C - Method for inserting or applying edge pads to basins, in particular sinks and toilet bowls : de en
  • PL31501B1 - : en pl
  • USD135394S - Design for, a textile fabric : en
  • FR880553A - : fr
  • GB552263A - Lock nut : en
  • DE733524C - Hand switch for electric motors, especially portable electric motors, e.g. Electric trolleys u. like : de en
  • ES156223A1 - DEVICE AND SYSTEM FOR THE USE OF HAZE GAS IN DIESEL ENGINES WITH COMPRESSOR, WITHOUT COMPRESSOR, FOR VEHICLES, FISHING VESSELS AND FIXED MOTORS : en es
  • ES156458A1 - PROCEDURE TO PRODUCE THE VARIATION OF THE SOUND IN THE TOCA DISCOS : en es
  • DK60755C - Apparatus for Accordions for the production of vibrating tones. : da en
  • ES155943A1 - PROCEDURE FOR THE MANUFACTURE OF HOMOGENOUS COMPOSITION FOUNDATION BLOCKS MADE OF ALLOYS WITH A TREND TO SEPARATE IN COMPONENTS OF VARIED CHEMICAL COMPOSITION, ESPECIALLY OF MAGNESIUM ALLOYS : en es
  • ES155945A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • GB552324A - A new or improved automatic control valve for air and other fluids : en
  • DE733686C - Hardened profile chisel : de en
  • US2315053A - Shelf, especially for refrigerators : en
  • ES156777A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • US2315175A - Duplicating apparatus : en
  • ES156038A3 - GAS BURNER : en es
  • ES156096A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES156169A1 - HAND-OPERATED APPARATUS TO OBTAIN, IN A SINGLE OPERATION, PAPER TRIMMED FIGURES : en es
  • ES156825A3 - IMPROVEMENTS IN THE MECHANISMS CALLED MACHINES, WHICH ARE SUPERIMPOSED TO THE LOOMS TO OPERATE THE LIZOS : en es
  • ES156880A1 - PROCEDURE AND APPARATUS FOR THE TRANSPORT OF GRAIN OR POWDER MATERIALS : en es
  • US2315087A - Preparation of phenol-urea-formaldehyde resins : en
  • SU62499A1 - The method of obtaining pure thorium salts : en ru
  • DE733513C - Process for the preparation of aromatic sulfonic acids and sulfonic acid auryl esters : de en
  • ES155899A3 - PROCEDURE FOR THE REMOVAL OF THE WATER OF THE SILICONE ACID : en es
  • ES155854A1 - PROCEDURE FOR OBTAINING ARTIFICIAL RESINS OF PHENOLS AND AMINOTRIACINES : en es
  • ES155957A1 - FILTER COUPLABLE TO ALL KINDS OF GASOGEN FOR AUTOMOBILES AND TRUCKS : en es
  • GB552221A - Improvements in sheet metal stretching presses : en
  • ES156125A1 - IMPROVEMENTS INTRODUCED IN GASOGENS FOR AUTOMOBILES AND SIMILAR : en es
  • ES156875A1 - PERFECTED MACHINE FOR THE MANUFACTURE OF ZIPPER CLOSURES : en es
  • FR880618A - Three-phase vertical furnace for melting glass : en fr
  • GB552285A - Improvements in treatment of fibres or fibrous materials containing keratin : en
  • DE733671C - Process for coring metallic planographic printing plates : de en
  • FR880633A - Compensation for systematic couplings in pupinized cables : en fr
  • DE733638C - Arc welding machine with two automatically moving back and forth holders for coated electrodes : de en
  • FR880588A - Endless chain conveyor, especially for mechanical transport and distribution of letters, envelopes, packages, documents or other objects : en fr
  • US2315267A - Garment hanger : en
  • US2314877A - Fluid velocity measuring device : en
  • US2315356A - Refrigeration : en
  • ES156528A3 - CONTINUOUS MACHINE FOR THE AUTOMATIC MANUFACTURE OF FOOD PASTA : en es
  • CA411405A - Off-gauge totalizer : en fr
  • CH226369A - Cushioning device on caterpillar vehicles. : de en
  • PL31541B1 - : en pl
  • DE733576C - Collimator system for generating optical measurement marks for range finders : de en
  • DE733669C - Spin dryer : de en
  • ES155807A1 - PROCEDURE FOR THE MANUFACTURE OF VALVES OF VASTAGO HUECO FULL OF SALT : en es
  • ES156623A3 - PROCEDURE FOR THE CONSERVATION OF VEGETABLES, LEGUMES AND AGRICULTURAL PRODUCTS IN GENERAL 140342 : en es
  • US2315375A - Sulpho - tricarboxylic acid compounds and process of preparing same : en
  • ES155963A1 - DEVICE FOR CARRYING OUT THE PROCEDURE INTENDED FOR THE PRODUCTION OF HOMOGENOUS COMPOSITION FOUNDATION BLOCKS MADE OF ALLOYS WITH TRENDS TO SEPARATE IN COMPONENTS OF VARIED COMPOSITION, ESPECIALLY OF MAGNESIUM ALLOYS : en es
  • FR880543A - Clamshell with jaws pivoting in the head of the bucket, and with control motor mounted in this head of the bucket : en fr
  • US2314990A - Telephone system : en
  • USD135385S - Casing for a lighter or similar article : en
  • ES156854A1 - HORNILLO-TERMO : en es
  • US2315143A - Roasting fork : en
  • FR880565A - Sash window with frame on the same plane : en fr
  • ES156365A1 - APPARATUS TO MEASURE AND READ IN GRADES LSO EXTERNAL ANGLES IN INTERIOR OF THE BUILDINGS : en es
  • GB552287A - A measuring or indicating instrument : en
  • US2314962A - Apparatus for dyeing, bleaching, and like treatment of textile materials : en
  • GB552278A - An improved padding for splints : en
  • USD135379S - Combination boiler and sterilizer or the like : en
  • USD135402S - Design foe a ship hull : en
  • CH226200A - Method and device for removing the build-up of combustion residues in boiler furnaces. : de en
  • ES156345A1 - PROCEDURE FOR OBTAINING SUITABLE INFUSION SOLUTIONS TO REPLACE THE SERUM OF THE BLOOD : en es
  • FR880627A - multicellular screen with diaphanous walls for light sources, in particular for automobile headlights : en fr
  • CH226201A - Heating method and device for its implementation. : en fr
  • AU116725B2 - Improvements in or relating to wave distorter firing systems for ignitrons : en
  • CH226316A - Electrical device with dielectric. : de en
  • CH226405A - Hydraulic control device for automatically influencing the amount of fuel supplied in vehicle injection engines. : de en
  • US2315036A - Centrifugal hydro-extractor : en
  • US2315083A - Attrition mill and method : en
  • CH226400A - Process for the preparation of a related dye. : de en
  • CH226385A - Epicyclic gear shifting device. : en fr
  • CH226300A - Two-stroke internal combustion engine. : de en
  • PL31536B1 - : en pl
  • PL31543B3 - A method for producing ethylene series compounds from acetylene series compounds : en pl
  • SE107009C1 - : en
  • US2315120A - Spraying device : en
  • US2315152A - Pump pull rod adjuster : en
  • CH226178A - Device for digging plants. : de en
  • DE733850C - Process for the production of monomeric and polymeric methylaethylpyridine : de en
  • GB552314A - Improvements in or relating to sound recording film cameras : en
  • PL31511B1 - Adrema Maschinenbauges. m. b. H., Berlin Printing plate for addressers : en pl
  • DE727426C - Process for the production of hollow bodies, in particular for packaging purposes : de en
  • DE733582C - Air intake filter for internal combustion engines : de en
  • DE733679C - Process for the production of cation-exchanging synthetic resins based on phenol : de en
  • DE733815C - Arrangement for suppressing the harmonics with an ordinal number divisible by 3 in the flux of direct-current pre-magnetized three-phase choke coils or transformers : de en
  • US2315001A - Collapsible frame for cellophane display boxes : en
  • US2315377A - Electrical apparatus : en
  • ES156018A1 - PROCEDURE FOR THE TREATMENT OF TISSUES IN ORDER TO IMPROVE THEIR APPEARANCE AND CALIFIATION : en es
  • ES156424A1 - IMPROVEMENTS IN THE MACHINES FOR CROSS BABINAGE : en es
  • CA411444A - Electric roaster : en fr
  • CH226254A - Arrangement comprising an optical observation device and a shaping material processing machine. : de en
  • DE733592C - Process for surface refinement of forged bricks : de en
  • ES155984A1 - PROCEDURE FOR OBTAINING DISTILLED AND BIDESTILATED GLYCERINES, STARTING FROM GLYCERINOSE WATERS IN CONTINUOUS PROCESS WITHOUT OBTAINING BRUTAS GLYCERINES : en es
  • US2315096A - Spraying, dusting, and frost preventing device : en
  • US2314958A - High frequency amplifier circuit : en
  • US2315235A - Fan blade for flywheels of sewing machines : en
  • CH226192A - Refractory product and method of manufacturing this product. : en fr
  • US2315453A - Tank support : en
  • CA411522A - Measuring instrument : en fr
  • ES156593A1 - IMPROVEMENTS IN GAS POWDER CLEANERS : en es
  • GB552238A - Improvements in or connected with the manufacture of felt : en
  • DE733844C - Device with two jaws that can be moved against one another for the production of pipe elbows with the smallest bending radius : de en
  • US2314907A - Fishing lure : en
  • DE733705C - Mandrel for continuous casting of metallic hollow blocks : de en
  • US2315104A - Inclinable grinder spindle : en
  • ES156819A3 - PROCEDURE FOR THE MANUFACTURE OF PYROSPHORIC ACID AND PYROSPHOSPHATE : en es
  • BE449273A - : en fr
  • CH226242A - Cinema projector. : de en
  • US2315059A - Locking arrangement in securing skid chains to wheels : en
  • CA411498A - Flat-set copper shape production : en fr
  • AU485942A - A method of, and apparatus for, extinguishing or fighting fires incendiary bombs andthe like : en
  • CH226390A - Block device for railways. : de en
  • DE733811C - Method for wireless character transmission using ultra-short carrier waves : de en
  • ES156070A1 - PROCEDURE FOR OBTAINING DISAZOIC DYES : en es
  • CH226396A - Process for the production of wool substitute fibers from viscose. : de en
  • FR880502A - Coupling tandem bikes : en fr
  • GB552323A - Improvements in sealing rings for shafts : en
  • CA411456A - Casting mould : en fr
  • CA411509A - Automatic phonograph : en fr
  • US2315415A - Sanitary milking receptacle : en
  • US2315463A - Architectural model : en
  • CA411448A - Current regulating apparatus for electroplating baths : en fr
  • CA411367A - Tank valve arrangement : en fr
  • DE733775C - Device for the automatic shutdown of graphic machines : de en
  • FR880623A - Process for removing anions from liquid pectin juices containing mineral acids, by means of exchangers based on synthetic resins : en fr
  • PL31469B1 - : en pl
  • CA411538A - Electrical relay : en fr
  • CH226375A - Replacement wheel for cycles. : en fr
  • CH226188A - Chute firing in a stove that can also be used for room heating. : de en
  • CH226270A - Fixing device for chisel. : en fr
  • ES155775A1 - GUIDES FOR NETWORKS TOWED FUND : en es
  • ES156508A1 - PROCEDURE FOR THE MANUFACTURE OF A PLATE LANTERN FOR ROLLER SUPPORT : en es
  • FR880675A - Process for obtaining a permanent primer : en fr
  • CH226267A - Object holder. : de en
  • ES156491A1 - PROCEDURE FOR THE MANUFACTURE OF AN INSULATED MATERIAL BASED ON MAGNESIUM SILICATE : en es
  • ES156690A1 - PROCEDURE FOR OBTAINING A LIGHT METAL BAG FOR EXPLOSION ENGINES : en es
  • ES156811A1 - PROCEDURE FOR THE CONSTITUTION OF SEALS IN BOILERS, AUTOCLAVES AND OTHER DEVICES SUBJECT TO THE SIMULTANEOUS ACTION OF PRESSURE AND HEAT : en es
  • FR880693A - Process for the preparation of compounds of 1-hydroxy-aryl-hydroxy-3-alkoxy-2-propanols and corresponding propanones : en fr
  • US2315072A - Oxidation and corrosion inhibitor for lubricating oils : en
  • CH226221A - Washing and cooking facilities. : de en
  • US2314933A - Telephone line circuit : en
  • DE733612C - Device for shielding electron tubes against external inductive interference : de en
  • DE733652C - Piston seal, especially for two-stroke internal combustion engines : de en
  • DE733747C - Hanging device for clothes u. like : de en
  • US2314960A - Method of and apparatus for producing television images : en
  • USD135370S - Design for a brooch or similar article : en
  • US2315231A - Low voltage, self-sustaining, remote control switching device : en
  • PL31573B1 - : en pl
  • US2315340A - Punch : en
  • CH226355A - Tuning fork generator. : de en
  • ES156422A3 - PROCEDURE FOR OBTAINING METHYL ALCOHOL : en es
  • GB552256A - Improved apparatus for conching chocolate : en
  • GB552274A - Improvements in and relating to automatic regulating apparatus for alternating current electric circuits : en
  • FR880721A - Braking device for wagons being switched on the yard tracks : en fr
  • BE449095R - New educational toy : en fr
  • BE449144A - Improvements in methods and devices for coating metal objects with protective layers of a different metal : en fr
  • CA411475A - Wire covered with fibrous materials : en fr
  • ES156793A1 - GASOGENO BASED ON COMPRESSED FUELS : en es
  • AU116732B2 - Improvements relating to steam traps orthe like for elevating condensed water : en
  • ES155789A1 - IMPROVEMENTS IN 2-PIECE HUNTING SHOTGUNS : en es
  • ES155888A1 - ELECTRICAL EQUIPMENT DESIGNED TO INDICATE THE NUMBER OF REVOLUTIONS PER MINUTE, SENSE OF TURNOVER AND TOTALIZATION OF THE NUMBER OF TURNS OF THE PROPULSORS AXLES OF SHIPS, BOTH OF WAR AND MERCHANTS : en es
  • ES156265A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880743A - Slider closure : en fr
  • DE733642C - Device for regulating the amount of the medium flowing through a pipeline : de en
  • CA411425A - Electric dynamometer : en fr
  • CA411501A - Horizontal boring machine : en fr
  • CA411513A - Short wave antenna : en fr
  • CH226263A - Record changing device on a speaking machine. : de en
  • CA411462A - Gas generating system : en fr
  • US2315216A - Gyroscopic apparatus : en
  • PL31488B1 - : en pl
  • US2315095A - Belt-supported toilet kit : en
  • BE449237A - : en
  • CA411418A - Weatherstrip : en fr
  • CA411537A - Electrical switching device : en fr
  • US2315039A - Electric cable : en
  • CA411499A - Knitting machine : en fr
  • DE733711C - Process for the production of synthetic resins : de en
  • ES155941A1 - IMPROVEMENTS IN THE MANUFACTURE OF GASOGENS : en es
  • FR880590A - Improvements in manufacturing processes for sulfonamide derivatives : en fr
  • ES156651A1 - IMPROVEMENTS INTRODUCED IN GASOGEN HOMES : en es
  • US2315041A - Perforating machine provided with clutch control mechanisms : en
  • ES156283A1 - POOR GAS GENERATOR, WITH MINERAL OR VEGETABLE CARBON OF SPECIAL FILTRATION DEVICE, ADAPTABLE TO MOTOR VEHICLES : en es
  • ES156687A1 - PROCEDURE FOR OBTAINING STABLE SOLUTIONS : en es
  • ES156881A1 - ACETYLENE GENERATOR IN COMBUSTION ENGINES ESPECIALLY IN WHICH THEY ARE DESTINED TO VEHICLES : en es
  • CH226256A - Quantity measuring device for flowing media. : de en
  • ES156540A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF NOZZLES FOR PERMUTATING FILTERS : en es
  • CH226177A - Process for the production of preparations containing substituted phenols which can easily be converted into aqueous dispersions. : de en
  • US2315190A - Rectifying column : en
  • US2315395A - Refractory setter : en
  • PL31524B1 - : en pl
  • ES156833A3 - COMBUSTION ENGINE WITH FUEL INJECTION, COUPLED TO A CURRENT GENERATOR AND OPERATING AT DIFFERENT SPEEDS : en es
  • CA411393A - Marking machine : en fr
  • PL31506B1 - : en pl
  • US2314899A - Fuel system including time delayed selector valves : en
  • US2315263A - Liquid discharge system : en
  • ES156456A1 - PROCEDURE OF MOLDING MASSES THAT FLOAT WITH WATER : en es
  • CA411401A - Insecticide : en fr
  • US2314985A - Vibratory hand screed : en
  • US2315422A - Treatment of molasses fermentation solutions : en
  • CA411446A - Leather substitute or flooring composition : en fr
  • CA411541A - Soluble copolymer production : en fr
  • CH226262A - Motorized and manual drives for calculating machines. : de en
  • CH226197A - Method of making a fire lighter. : de en
  • DE733672C - Circuit arrangement for coin telephones : de en
  • ES156281A3 - IMPROVEMENTS MADE IN DRILLING HAMMERS, DRIVEN BY PRESSURE AIR : en es
  • ES156447A1 - SYSTEM OF SUSPENSION OF THE ARMS OF THE PARATOS TOCADISCOS : en es
  • ES155755A1 - GASOGEN OF NORMAL COMBUSTION : en es
  • ES156756A1 - PROCEDURE FOR THE PREPARATION OR MIXING OF CUPROALDEHYDE COMPOUNDS OF HIGH ANTIRYPTOGAMIC ACTIVITY : en es
  • FR880678A - Trapezoidal belt : en fr
  • CA411437A - Tetrachlorethylene purification : en fr
  • PL31527B1 - : en pl
  • CH226182A - Heat insulating component. : de en
  • DE733768C - Bearing for the elastic suspension of an aircraft engine on the supporting structure : de en
  • AU581242A - Improvements in or relating to wave distorter firing systems for ignitrons : en
  • CH226376A - Process for the production of internally porous solid tires made of polyvinyl chloride for vehicles of all kinds. : de en
  • CA411411A - Telephone system : en fr
  • US2315111A - Method of detecting alterations of documents : en
  • US2315425A - Container : en
  • USD135383S - Design for an apron : en
  • CA411484A - Spring shackle : en fr
  • US2315346A - Method of improving graphite electrodes : en
  • DE733626C - Pipe system for the continuous dehydration of water : de en
  • ES156152A1 - IMPROVEMENTS IN THE MANUFACTURING : en es
  • US2315065A - Dynamoelectric machine and mounting means therefor : en
  • CA411419A - Metal strip forming machine : en fr
  • CA411453A - Mould and sprue sleeve therefor : en fr
  • CA411553A - Counterbalanced louver : en fr
  • CH226261A - Electrical calculating device. : de en
  • CH226338A - Single anode rectifier. : de en
  • US2315382A - Machine for uniting layers of material : en
  • US2315438A - Combination of book matches and toothpicks : en
  • CH226334A - Arrangement for cooling electrical equipment under high voltage. : de en
  • CA411458A - Engine or machine governing gear : en fr
  • US2315473A - Measuring dispenser : en
  • CA411397A - Ammonium soap of synthetic resinous materials : en fr
  • CH226393A - Coupling for coupling a plow to a tractor. : de en
  • CH226193A - Cement manufacturing process. : en fr
  • CA411532A - Aircraft fuel pump : en fr
  • ES155834A1 - AUTOMATIC APPLIANCE, STERILIZABLE, FOR CONTINUOUS AND RAPID IRRIGATIONS : en es
  • ES155960A1 - SYSTEM OF CLOSURE, GENERATION AND PROJECTION OF FOAM : en es
  • US2315045A - Metal detection device : en
  • BE449348A - : en
  • CH226350A - Process for the production of white or light-colored products with a high bactericidal effect. : de en
  • US2314937A - Control device for oil coolers : en
  • CA411502A - Horizontal boring machine : en fr
  • PL31465B1 - A method for the production of sintered shapes from metal powders, and an apparatus for carrying out the method : en pl
  • DE733548C - Transmission device for bicycles u. Like. With foot and additional hand drive : de en
  • ES156068A1 - PROCEDURE FOR OBTAINING DISAZOIC DYES : en es
  • ES155767A1 - PROCEDURE FOR THE MANUFACTURE OF PLASTIC MATERIALS : en es
  • ES155983A1 - PROCEDURE OF FLOATING AND OILS IN CONDITIONS SUCH THAT SIMULTANEOUSLY, WITH THE SEPARATION OF THE FAT OILS, THE HARDENING OF THESE IS OBTAINED : en es
  • PL31521B1 - : en pl
  • US2315208A - Catalytic apparatus : en
  • SU62392A1 - Consolidation of rotor blades : en ru
  • US2315409A - Bevel gearing : en
  • ES156033A1 - PERFECTED SYSTEM OF GASOGENO TO CARBON VEGETAL : en es
  • ES156877A1 - DIAPHRAGM FOR ELECTROLYTIC CELLS : en es
  • ES156077A1 - MECHANICAL THRESHING PROCEDURE : en es
  • ES155791A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • ES155825A3 - CONSISTENT VASELINE MANUFACTURING PROCEDURE : en es
  • FR880620A - Converter background : en fr
  • DE733503C - Means for the production and improvement of enamels, glazes, etc. like : de en
  • DE733670C - Securing element for staplers or stapling machines : de en
  • US2315020A - Gang relay : en
  • US2315132A - Safety shield for bench grinders : en
  • ES155949A1 - ELASTIC SUSPENSION OF ENGINES : en es
  • FR880654A - Marine engine installation consisting of a piston steam engine and an exhaust steam turbine, mounted downstream : en fr
  • DK60754C - Method and Apparatus for Mixing or Homogenizing Powdered or Granular Materials. : da en
  • ES156730A1 - PROCEDURE TO OBTAIN A SUBSTITUTE FOR THE EGG CLEAR : en es
  • GB552291A - Improvements in boiler furnaces : en
  • FR880538A - Claw clutch : en fr
  • FR880602A - Process for producing highly concentrated solutions of ammonium nitrate by evaporation in multi-element evaporators : en fr
  • ES155798A1 - PROCEDURE FOR THE MANUFACTURE OF INTERNAL STRUCTURES FOR VEHICLE TIRES : en es
  • ES156710A1 - GAS SHOCK SEPARATOR AGAINST A FLUID MASS, SOLID PARTICLES AND OTHER IMPAIRMENTS RETAINED IN GAS : en es
  • US2315153A - Hair washing sink : en
  • US2314963A - Automatic air vent valve : en
  • US2315048A - Fishing float : en
  • US2315300A - Armature winding : en
  • USD135360S - Adapter for a ski pack sled : en
  • PL31519B1 - : en pl
  • US2314972A - Production of polymeric compounds : en
  • US2314996A - Method of improving the adhesion of rubber to cotton : en
  • DE733574C - Process for the production of shaped structures from polymethacrylic acid methyl esters : de en
  • ES155913A1 - A CONDENSER : en es
  • ES156159A3 - FLUSH-MOUNTED SWITCH UNIT, FOR ELECTRIC CURRENT : en es
  • CH226279A - Wooden ax with at least one cutting side. : de en
  • US2314872A - Hot cake and waffle cooking utensil : en
  • US2315067A - Variable speed transmission : en
  • US2314993A - Tobacco, tea, or like leaf cutting machine : en
  • CH226274A - Bath furnace for the heat treatment of workpieces. : de en
  • ES156105A1 - SYSTEM OF INSULATION IMPREGNATION EQUIPMENT OF ELECTRIC WINDINGS : en es
  • ES156407A1 - IMPROVEMENTS IN THE MANUFACTURE OF SWITCHES AND SWITCHERS FOR ELECTRICAL INSTALLATIONS : en es
  • US2314969A - Adjustable sprocket wheel : en
  • US2315406A - Television camera : en
  • US2315305A - Muffler : en
  • PL31544B1 - : en pl
  • US2315399A - Battery terminal clamp : en
  • DE733554C - Device for disengaging the loom and simultaneously switching on the automatic shuttle replacement device when the weft bobbin on interchangeable looms has expired : de en
  • DE733534C - Rotating internal combustion piston engine : de en
  • ES156253A1 - PROCEDURE FOR REPAIR OF LAMPS AND VALVES FUNDIDAS : en es
  • DE733769C - Gas cylinder lock for gas pressure charger : de en
  • PL31532B1 - Method of obtaining explosives / : en pl
  • US2315407A - Double inlet blower wheel : en
  • DE733644C - Device for lifting a mattress end of a bed in seating and reclining furniture : de en
  • DE733649C - Safety regulators, especially for internal combustion engines : de en
  • DE733809C - Process for the extraction of glycosides from Strophanthus Kombe : de en
  • CA411481A - Thresher screen : en fr
  • DE733829C - Crawler vehicle with each chain driven by a reversible steam engine : de en
  • ES155895A1 - PROCEDURE FOR THE BATANATION OF FIBROUS MATERIALS : en es
  • ES156015A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SUPPLEMENTARY OVENS FOR KITCHEN BURNERS : en es
  • ES156113A1 - TEMPERATURE CHANGER : en es
  • US2314953A - Multicycle straightening, sizing, and polishing machine : en
  • US2315142A - Bed motion for printing presses : en
  • ES155750A1 - ELECTROSHOCK APPLIANCE : en es
  • ES156145A1 - FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES : en es
  • ES156722A1 - IMPROVEMENTS IN THE MANUFACTURE OF COOLERS : en es
  • ES156890A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT : en es
  • FR880571A - Folding stand for presentation and storage of pipes : en fr
  • GB552247A - Improvements in bearings : en
  • US2314865A - Heating device : en
  • US2315316A - Astrological calculator : en
  • ES156853A1 - INSTALLATION OF LOUDSPEAKERS FOR EXCHANGE OF COMMUNICATIONS WITH CONFERENCE SERVICE : en es
  • US2315051A - Electrical treater method : en
  • US2315209A - Fastener applying tool : en
  • US2315329A - Method of making composite glass articles : en
  • US2315246A - Fruit drying machine : en
  • ES156576A3 - MOTOR WHEEL FOR APPARELS INTENDED FOR SOIL TILLING : en es
  • DE733805C - Cardan joint for sheet pile wall anchoring : de en
  • FR880614A - Device applicable to store phonographs for bringing records from store : en fr
  • GB552284A - Improvements in or relating to brackets for connecting structural members : en
  • US2315255A - Can filling machine : en
  • ES156291A1 - SYSTEM OF APPARATUS FOR THE DRYING OF ALL KINDS OF GLUES AND GELATINAS, AS WELL AS PASTES FOR SOUPS AND ANALOG PRODUCTS : en es
  • ES156514A1 - GASOGENO APPLICABLE TO VEHICLES AUTOMOVILES : en es
  • ES155743A3 - IMPROVEMENTS IN EXPLOTION ENGINES WITH INJECTION : en es
  • ES155946A1 - GENERATOR TO PRODUCE ACETILANO TO PRESSURE FOR AUTOGENA WELDING : en es
  • PL31568B1 - : en pl
  • PL31473B1 - : en pl
  • GB552317A - Improvements in or relating to circuit arrangements for synchronising an oscillation generated by a generator in the correct phase : en
  • CA411436A - Explosive cartridge : en fr
  • CA411421A - Piston ring : en fr
  • US2314932A - Hair waving pad : en
  • CH226239A - Roll film camera. : de en
  • ES156884A1 - PROCEDURE FOR OBTAINING P-AMINOBENZOLSULFONACILAMIDAS : en es
  • FR880704A - Acetylene lamp that can be shaped in metal, terracotta, glass and all plastics : en fr
  • ES156768A1 - DRIVING OF THE TORCEDORA WHEEL FOR WIRE APPLIERS : en es
  • CH226184A - Device for reducing the differences in brightness on opposite walls in skylight halls when exposed to sunlight. : de en
  • CH226366A - Device for partially automatic and partially arbitrary switching of the gear ratios of a gearbox, in particular for motor vehicles. : de en
  • DE733596C - Device for conveying and loosening bulk masses in dryers : de en
  • DE733751C - Hydraulic braking device : de en
  • ES156390A1 - BRAIDED MANUFACTURING PROCEDURE : en es
  • DE733544C - Hinge connection for the front and side walls of the box body with the floor of conveyor wagons, especially towed vehicles : de en
  • US2314876A - Bag, composite material, and method of making : en
  • DE733817C - Pneumatic level indicator : de en
  • ES155923A1 - 3-AXLE ARTICULATED BOGIE FOR VEHICLES, AND ESPECIALLY FOR TRAM CARS : en es
  • ES156022A3 - IMPROVEMENTS IN THE CONSTRUCTION OF HEATING ELEMENTS AND RADIATORS : en es
  • ES156831A3 - IMPROVEMENTS IN THE CONSTRUCTION OF GASOGENES TO POWER EXPLOSION ENGINES : en es
  • PL31497B1 - : en pl
  • PL31538B1 - : en pl
  • ES156166A1 - PROCEDURE FOR THE MANUFACTURE OF CAPS FOR ELECTRICAL LAMPS : en es
  • CH226234A - Suspension file. : de en
  • DE733692C - Process for the production of chloroolefins from olefins : de en
  • DE733792C - Device for the aftertreatment of running endless synthetic thread belts : de en
  • ES156539A1 - MOTOR-POWERED LIUGER AGRICULTURED MILLER : en es
  • ES156725A1 - A GASOGEN : en es
  • GB552235A - Improvements in or relating to roller chains : en
  • GB552334A - Improved method of regenerating a catalyst : en
  • ES156753A1 - PROCEDURE FOR OBTAINING DERIVATIVES OF PARAETOXYAMINE BENZENE, WHOSE FUNCTION AMINICA IS BLOCKED BY CONDENSATION WITH ALDEHYDES : en es
  • GB552228A - Manufacture and polymerisation of esters of maleic acid and unsaturated alcohols : en
  • US2315119A - Fabric and method of knitting : en
  • ES155904A1 - ADJUSTABLE GEAR, WITHOUT RISING : en es
  • ES156298A1 - RATCHET SYSTEM : en es
  • ES156560A1 - OIL DEGREASER, HEAT CONSERVATIVE IN MARIA BATH AND WATER HEATER FOR BATHROOM : en es
  • ES156061A1 - PROCEDURE FOR OBTAINING A FERROMANGANIFERO FERTILIZER IN A COLOIDAL STATE FOR THE FERTILIZATION OF THE LAND : en es
  • ES156347A1 - PROCEDURE FOR OBTAINING TRISAZOIC DYES : en es
  • DE727308C - Cartridge ejector for firearms : de en
  • DE733684C - Closure flap for the cooling air inlet located in the roof of a streamlined rear-engined vehicle : de en
  • ES156297A3 - TAP SYSTEM : en es
  • ES156360A1 - DEVICE FOR THE INTRODUCTION OF EXTINGUISHING FOAM IN FUEL TANKS : en es
  • US2315138A - Method of knitting : en
  • ES156074A1 - PROCEDURE FOR THE PREPARATION OF INJECTABLE DISSOLUTIONS OF BACTERICIDE ACTION : en es
  • ES4932Y - Construction game. : en es
  • GB552277A - Improvements relating to the treatment of waste acid tar obtained from the refining of benzol, petroleum spirit and other hydrocarbons : en
  • ES156525A1 - PROCEDURE FOR OBTAINING FOSFATIC COATINGS ON METALS : en es
  • FR880626A - Railway vehicle, more particularly mine car : en fr
  • DE733650C - Oil cooler for internal combustion engines : de en
  • DE733837C - Typewriter ribbon : de en
  • DE733855C - Pavers : de en
  • US2315212A - Control apparatus : en
  • ES156546A1 - DEVICE INTENDED FOR THE MECHANICAL REGISTER OF SOUNDS IN TWO LAYOUT : en es
  • ES156715A1 - IGNITION SYSTEM, OR START-UP, FOR THE GASOGENO FACILITIES. IN EXPLOSION ENGINES, AND ESPECIALLY IN WHICH THEY ARE MOUNTED ON AUTOMOBILE VEHICLES : en es
  • ES156766A1 - PROCEDURE FOR OBTAINING POLYCONDENSIC PRODUCTS : en es
  • DE733580C - Two-stroke internal combustion engine : de en
  • ES155853A1 - PROCEDURE FOR THE MANUFACTURE OF RECTANGULAR SECTION COK OVEN, WITH RECOVERY OF BYPRODUCTS, ADAPTED TO THE SMALL INDUSTRY : en es
  • PL31529B1 - : en pl
  • US2315148A - Lehr conveyer : en
  • US2315070A - Air conditioning furnace : en
  • ES156019A1 - PROCEDURE FOR THE MANUFACTURE OF A CHEMICAL PRODUCT INTENDED FOR THE CURTICION IN SUBSTITUTION OF THE NATURAL TANNINS, OR IN COOPERATION WITH THEM : en es
  • US2315443A - Electrolytic cell for fused baths : en
  • DE733275C - Device for continuous dynamic testing of resolvers : de en
  • ES156684A1 - METAL WHEEL OF ADJUSTABLE ELASTICITY, BY COMPRESSION OF LIQUID AND AIR : en es
  • ES156170A1 - IMPROVEMENTS IN THE ROTATION PUMPS FOR THE ELEVATION OR TRANSFER OF LIQUIDS : en es
  • PL31475B1 - : en pl
  • PL31502B1 - : en pl
  • US2315474A - Flatiron stand : en
  • ES155985A1 - PROCEDURE FOR THE MANUFACTURE OF A PLASTIC METAL WHEEL TO REPLACE THE PNEUMATIC OR RUBBER WHEELS : en es
  • CH226243A - Equipment on cinematographic apparatus for moistening the film tape. : de en
  • DE733762C - Method of measuring the salinity of steam : de en
  • ES156655A1 - PROCEDURE FOR OBTAINING ALUMINUM ALLOYS FOR SLIDING BEARINGS : en es
  • FR880592A - Method and device for the production of separators for accumulators : en fr
  • US2315478A - Method of producing plastic containers : en
  • USD135355S - Design for a stuffed toy animal unit : en
  • ES155753A1 - TISSUE MANUFACTURING PROCEDURE : en es
  • PL31580B1 - : en pl
  • US2315061A - Protective composition of matter for users of x-rays : en
  • PL31496B1 - : en pl
  • USD135369S - Design for a woman s cap : en
  • DE733695C - Device for automatic switching of a load circuit from one carrier frequency source to another : de en
  • ES155925A3 - NAIL STARTER APPLIANCE : en es
  • ES156392A1 - NEW STOVE : en es
  • FR880575A - Device for observing oscillograms : en fr
  • GB552303A - Improvements in and relating to road and flooring blocks and surfaces : en
  • ES155933A1 - PROCEDURE FOR OBTAINING COMPRESSED CONGLOMERATE AS GASOGENIC FUEL FOR POOR GAS FEEDING IN EXPLOSION ENGINES : en es
  • DE685523C - Processes and devices for the production of artificial sausage casings : de en
  • ES156212A1 - HOT GAS ENGINE : en es
  • US2315364A - Refrigeration : en
  • US2314869A - Differential stage lift flow device : en
  • AU116730B2 - A method of, and apparatus for, extinguishing or fighting fires incendiary bombs andthe like : en
  • BE449206A - : en fr
  • CA411413A - Automatic telephone switch : en fr
  • ES156329A1 - PROCEDURE FOR THE MANUFACTURE OF IRRIGATION CANNULES AND THEIR CORRESPONDING LINKS WITH KEY : en es
  • ES156661A1 - PROCEDURE FOR OBTAINING AN ARTIFICIAL STONE INTENDED FOR THE MANUFACTURE OF ALL KINDS OF DESKTOP AND FANTASY OBJECTS : en es
  • AT160901B - Process for the production of hydrocarbons or their oxygen-containing derivatives : de en
  • GB552308A - An improved machine for the continuous production of strips of paper for use as insulating material in an electric cable or cable joint : en
  • CA411472A - Soluble egg dye : en fr
  • CA411556A - Metal casting method : en fr
  • ES156337A1 - PROCEDURE FOR OBTAINING POLYCONDENSATION PRODUCTS, FROM DICARBOXILIC ACIDS AND THEIR DERIVATIVES : en es
  • GB552356A - Improvements relating to the method of producing hollow or tubular bodies of steel or other metals and apparatus therefor : en
  • ES155932A1 - FLOOR FORGING PROCEDURE : en es
  • ES155797A1 - CONTROLLER AND FLIGHT TIME RECORDER : en es
  • FR880527A - Process for preparing adipic acid : en fr
  • FR880647A - Welding process of chrome objects : en fr