• US2348918A - Span hanger for trolley wires : en
  • US2348774A - Blowpipe : en
  • CH232074A - Electrically heated oven. : de en
  • US2348930A - Fluorescent lighting fixture : en
  • US2348845A - Machine for forming gears : en
  • CH232193A - Sealing device at the joint of mutually movable components. : de en
  • CH232235A - Procedure for the preparation of Pregnendione-3.20. : de en
  • US2348821A - Sheet delivery mechanism for printing presses : en
  • CH232082A - Process for dehydration and molding of peat and a machine for implementing this process. : en fr
  • US2348887A - Method of bending glass sheets : en
  • US2349185A - Power transmission : en
  • CA420174A - Metal frame locking apparatus : en fr
  • CH232194A - Upper valve part with visible rising stem. : de en
  • DE745602C - Protection device for friction disc screw presses : de en
  • DE745618C - Sealing arrangement for half-height doors with window attachment on motor vehicles : de en
  • US2348938A - Skimming apparatus : en
  • US2348858A - Combined axiometer and bifocal lens segment locater : en
  • US2349148A - Paperhanger's folding box and table : en
  • USD137904S - Design for a chair : en
  • CA420260A - Coating method and apparatus : en fr
  • CH232295A - Process for the preparation of a new acidic monoazo dye. : de en
  • US2348761A - Method of producing protein plastics by cold molding : en
  • US2349091A - Stabilized polydiazo-phthalocyanines : en
  • CH232218A - Terminating device at the end of multi-core cables with strain relief for cable cores. : de en
  • DK62258C - Swivel for Vehicles. : da en
  • CH232207A - Device for conveying the fuel from the fuel container into the carburetor of internal combustion engines. : de en
  • US2349076A - Curb box cleaner : en
  • FR892621A - Telescope with inverting optical system, consisting of lenses : en fr
  • FR892685A - Improvements made to magnetic compasses : en fr
  • CH232299A - Process for the production of a vat dye. : de en
  • US2349096A - Elevated tank : en
  • FR892624A - New manufacturing process for copper sulphate and copper derivatives, directly from Algerian copper ores : en fr
  • AU118492B2 - Improvements in or relating to safety belts : en
  • CH232199A - Rotary piston machine. : de en
  • ES165591A1 - CARRIER FREQUENCY INSTALLATION : en es
  • GB561386A - Improvements in electric air heaters and diffusers for ceiling use : en
  • CH232257A - Cooling device for vehicles, in particular rail vehicles. : de en
  • DE745590C - Method and device for holding lenses : de en
  • DE745679C - Device for separating fly ash and fly dust in flue gases : de en
  • FR892647A - Continuous dehydrogenation process : en fr
  • CA420264A - Copper recovery by lixiviation : en fr
  • CH232205A - Method for supplying a two-stroke engine with gas to a generator and installation for its implementation. : en fr
  • CA420206A - Circuit interrupter : en fr
  • US2348899A - Loader : en
  • CH232198A - Hydraulic pressing device, in particular for pressing synthetic resin. : de en
  • CH232306A - Ultra-short wave tube with built-in resonance circuit. : de en
  • US2348741A - Device for moving aircraft : en
  • US2348974A - Apparatus for damping movements of vehicle and other wheels : en
  • US2349231A - Engine construction : en
  • USD137896S - Embroidered trimming or the like : en
  • US2348731A - Gyroscopic centralizing and caging device : en
  • US2349038A - Solvent dewaxing of mineral oils : en
  • CA420240A - Thermal magnesium production : en fr
  • CH232142A - Photographic apparatus with a device for focusing the lens. : de en
  • USD137913S - Design fob a spoon ob other article of flatware : en
  • US2348945A - Protected internal bearing for concrete mixers : en
  • DE745631C - Pantographs for electrical machines : de en
  • CA420269A - Disconnecting switch : en fr
  • US2348990A - Aerating apparatus : en
  • CH232291A - Process for producing a diazoamino compound. : de en
  • FR892678A - Air heater diffuser : en fr
  • ES163700A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF CORKSCREWS : en es
  • FR892769A - Device for closing small packages : en fr
  • US2349045A - Dehydro-aromatization : en
  • US2348780A - Process of improving catalysts : en
  • US2349008A - Snap-action rocker device : en
  • US2348755A - Terminal block for watt-hour meters : en
  • GB561423A - Improvements in or relating to spacing means for use in the packaging of articles : en
  • GB561332A - Improvements in or relating to electrical systems for converting direct current intoalternating current : en
  • ES164944A3 - A MECHANISM OF OPERATION OF THE BATAN OF THE LOOMS : en es
  • GB561444A - Improved electrical apparatus for the detection and indication of gases : en
  • ES165455A1 - A NEW APPARATUS FOR PHOTOGRAPHIC AND ELECTRO-COPY REPRODUCTIONS : en es
  • CH232272A - Process for the production of acrylonitrile. : de en
  • CH232303A - Fuel injection pumps, in particular for internal combustion engines in motor vehicles. : de en
  • ES164046A1 - A PROCEDURE TO MANUFACTURE A LEATHER FIBER MATERIAL : en es
  • US2349059A - Condensate removal : en
  • US2349169A - Apparatus for treating pile fabrics : en
  • FR892780A - Vulcanizing members, such as: flexible heating pipe, heating mandrel, or the like, for vulcanizing tires, flexible tubes and other applications : en fr
  • ES165647A1 - IMPROVEMENTS IN THE GASOGENS FOR EXPLOSION ENGINE : en es
  • CH232232A - Fastening device for parts to be fastened to hollow ceilings or walls. : de en
  • FR892783A - New application of chemical processes for the degradation of starchy materials, for the manufacture of food and other products : en fr
  • USD137909S - Design for a turnbuckle wrench : en
  • US2348721A - Horizontal hydroxylating burner : en
  • US2348783A - Marine vessel : en
  • FR892686A - Throttle-tachometer regulator : en fr
  • US2348792A - Propelling plant for aircraft : en
  • US2348837A - Method of preparing cocoa and chocolate products : en
  • US2348934A - Cooking stove : en
  • US2348935A - Form : en
  • US2349116A - Charge fuming device : en
  • FR892766A - Rotary molding press for parts made of pulverulent or fibrous material : en fr
  • DE745738C - Pointing machine : de en
  • ES165629A1 - A PROVISION TO DEDUCT THE DIELECTRIC LOSSES ARISING IN HIGH FREQUENCY IRON NUCLEI : en es
  • DE745753C - Process for the production of printing forms : de en
  • ES165515A1 - A PHOTOELECTRIC TELESCOPE SYSTEM : en es
  • ES9666U - Perfect handle for welding tongs (Machine-translation by Google Translate, not legally binding) : en es
  • DE745807C - Use of a stretch forming press for stamping sheet metal : de en
  • NL57124C - method and apparatus for separating a predetermined number of round, equally sized tablets or spheres : en nl
  • US2349080A - Apparatus for compacting powdered solid materials : en
  • US2348850A - Art of screw rolling : en
  • US2348840A - Molding flask : en
  • DE745633C - Process for the extraction of fatty substances from fatty mycelium-forming microorganisms : de en
  • ES165608A1 - A MANUFACTURING MECHANISM OF A MECHANICAL TOY : en es
  • US2348768A - Control mechanism : en
  • US2348816A - Nursing bottle holder : en
  • US2349050A - Control and prevention of caving and sliding in drilling oil and gas wells : en
  • US2348856A - Strand handling apparatus : en
  • FR892743A - Cable box : en fr
  • ES165550A2 - A PROCEDURE FOR PREPARING MOLD AND CORE SANDS WITH ARTIFICIAL RESIN BINDERS : en es
  • FR892700A - Device for periodically operating contact devices with rolling contact member, applicable to converters or rectifiers : en fr
  • US2348879A - Hydraulic level control for mixing machines : en
  • ES165310A1 - AN ELECTRICAL CIRCUIT THAT IMPROVES THE CONDITIONS OF THE CONTROLLED VEHICLE CONTROL INSTALLATION : en es
  • ES165653A2 - DEVICE FOR DIRECT COUPLING OF ELECTROMOTORS FOR MACHINE TOOLS : en es
  • US2348757A - Liquid dispensing device : en
  • CH232260A - Axle counting device. : de en
  • US2348911A - Car axle lubricator : en
  • ES161958A1 - A DEVICE APPLICABLE TO CALCULATING MACHINES, THROUGH THE CÚAL IS AVOIDED THAT A CERTAIN NUMBER OF UNITS, TENS, CENTENAS, ETC., PASS THE TOTAL TO BE ENROLLED : en es
  • ES165679A1 - MECHANICAL DISPOSITION TO GIVE UNIFORM THICKNESS TO WOODEN SOLE : en es
  • GB561328A - Improvements relating to fuel oils : en
  • GB561421A - Improvements in electric meters : en
  • DE741587C - Process for the preparation of chlorination products of 3,6-Dinitrocarbazole : de en
  • CH232212A - Steam condenser. : de en
  • US2348709A - Safety control for liquid fuel burners : en
  • US2349167A - Tractor-trailer brake system : en
  • US2348897A - Spring for beds or mattresses : en
  • GB561302A - Improvements relating to the manufacture of insoluble azo dyestuffs : en
  • GB561420A - Process for the preparation of new acylamines of the anthraquinone series : en
  • DK62259C - Code lock, especially for Folders and Bags. : da en
  • US2349006A - Airplane power plant and cowling assembly means : en
  • US2349110A - Ground stake : en
  • US2349159A - Stop for lathes : en
  • GB561351A - Improvements in or relating to the impregnation of cloth and paper with phenolic resins : en
  • CA420163A - Pastry fork : en fr
  • CA420230A - Refrigerating apparatus : en fr
  • CH232174A - Device for feeding the ground material to mills, preferably to hammer mills. : de en
  • CA420247A - Gas pressure producing cartridge : en fr
  • US2348870A - Rotary intaglio printing press : en
  • FR892798A - Tool holders for drills or milling machines : en fr
  • CH232216A - Process for putting and maintaining under high pressure the traces of gas occluded in a solid impregnation dielectric. : en fr
  • DE745693C - Lens mount : de en
  • US2349207A - Polishing apparatus : en
  • AU118480B2 - Improvements in or relating to supports for mirrors orthe like : en
  • CH232111A - Process for the preparation of a hydrophilic high polymer polymerization and condensation product of the polyamide type. : de en
  • CA420194A - Reel control apparatus : en fr
  • CH232067A - Elevator device on elevator stairs. : de en
  • CH232072A - Device for generating hot water. : de en
  • US2348759A - Gear cutter : en
  • CH232273A - Process for the production of a cyclopentano-dimethyl-polyhydro-phenanthrene-carboxylic acid. : de en
  • DE742107C - Calliper : de en
  • CH232208A - Turbine, especially for high temperature working fluids. : de en
  • US2349147A - Power transmission : en
  • US2348865A - Latex composition : en
  • USD137915S - Design fob a tack hammer : en
  • US2348993A - Elevating gate : en
  • CH232103A - Footwear. : de en
  • FR892620A - Hand-held firearm, especially tank protection weapon : en fr
  • FR892655A - Improvements to thread breakers for looms articles with loops and in particular terry cloths : en fr
  • FR892770A - Packaging material for frozen goods : en fr
  • US2349034A - Machine for making wood wool : en
  • USD137918S - Design for a shoe tree : en
  • US2348924A - Automatic stop for phonograph mechanisms : en
  • FR892689A - Feeding device for fruit mills : en fr
  • GB561433A - A method of obtaining bubble-free shaped synthetic resin masses : en
  • CH232248A - Method of manufacturing signal plates for super iconoscopes : de en
  • ES165692A1 - TEMPERATURE REGULATOR PROVIDED WITH TEMPERATURE DEPENDENT RESISTANCE, ACTING AS A VERIFIER WITH THERMAL REINFORCEMENT AND WITH THERMAL RETURN CONDUCTION : en es
  • US2348758A - Automatic telephone calling system : en
  • ES165660A1 - A PROCEDURE FOR ELECTRIFICATION OF VEHICLES PROVIDED BY EXPLOSION ENGINE : en es
  • GB561371A - Improvements in or relating to laundry ironing machines : en
  • GB561314A - Improvements in or relating to plate heat exchangers : en
  • DE745750C - Device for introducing the fabric edges into fabric tensioning and drying machines with pre-folding : de en
  • ES165637A1 - A PROCEDURE TO OVERHEAT EXPLOSION ENGINES : en es
  • US2348917A - Process for the manufacture of mercaptothiazolines : en
  • GB561414A - Improvements in and relating to presses for cutting sheet metal : en
  • US2349047A - Preparation of monomers of cyclopentadiene : en
  • US2349105A - Flameproof electric motor : en
  • ES165348A1 - A COMPRESSOR OF FREELY PULLOVERED PLUNGERS : en es
  • GB561305A - An improved process for the plating of metals : en
  • GB561331A - Improvement in frequency modulation systems : en
  • US2349075A - Expanding anchor : en
  • US2349092A - Foldable seating device for children : en
  • ES165464A1 - IMPROVEMENTS IN THE CONSTRUCTION OF HIVES FOR BEES : en es
  • GB561306A - Improvements in two-speed driving mechanisms : en
  • US2349016A - Articulate pipe or conduit : en
  • US2349107A - Cartridge carrier : en
  • US2349129A - Dialing system : en
  • US2349220A - Wheel hub : en
  • ES165484A1 - A PROCEDURE FOR CONSTRUCTION, ASSEMBLY AND CLOSURE OF BOXES IN BOTTLE OR BOTTLE PACKAGING : en es
  • DE740100C - Process for dyeing fiber materials made from superpolyamides : de en
  • DK62251C - Mirror, especially for Shaving or similar Use. : da en
  • FR892679A - Shape of indicator nails : en fr
  • FR892745A - Improvements to pin punches, punches and similar impact tools : en fr
  • GB561336A - Improvements in and relating to pocket compasses : en
  • GB561296A - Improvements in or relating to tubing, piping or the like : en
  • GB561322A - Improvements in or relating to frequency modulating arrangements : en
  • US2348712A - Gear testing machine : en
  • US2349061A - Preparation of monoalkylol cyanamide condensation products : en
  • US2349121A - Refrigerator : en
  • US2349200A - Coat hanger : en
  • FR892603A - Method of transposition of oximes : en fr
  • FR892653A - Improvements to rotary wing aircraft : en fr
  • FR892733A - Electric heated hair curler : en fr
  • ES165486A1 - A PROCEDURE TO MAKE A CENTERING PLATE OR DISC FOR ELECTRIC DISCHARGE TUBES : en es
  • ES165538A1 - A MACHINE-TOOL USED AS EXCAVATOR AND FOR OTHER PURPOSES : en es
  • US2348719A - Process of separating impurities from metals or alloys : en
  • FR892611A - Folding bed with flexible slats all wood : en fr
  • FR892696A - Automatic signaling device for rail traffic safety : en fr
  • US2348966A - Electric appliance : en
  • FR892687A - Pumping system for heating installation : en fr
  • ES165595A1 - IMPROVEMENTS IN THE ELECTRIC GENERATORS OF CONTINUOUS CURRENT, FOR ARC WELDING : en es
  • FR892660A - Detonation measuring device for combustion engines : en fr
  • DK62248C - Apparatus for measuring the frequency curve for broadband cables. : da en
  • FR892607A - Agglomerates for sharpening, polishing, grinding, etc. : en fr
  • FR892716A - Manufacturing process of polysulfonamides : en fr
  • GB561346A - Improvements in or relating to life-boats : en
  • CA420209A - Circuit interrupter : en fr
  • CH232134A - Process for the production of organic polyvinyl subesters. : de en
  • US2348880A - Binder feeding attachment for mixing machines : en
  • CA420290A - Radio receiver : en fr
  • US2349049A - Salt water drilling mud : en
  • US2348904A - Wire reel construction : en
  • US2348932A - Knitting machine : en
  • US2349136A - Polymerization of vinyl aromatic compounds : en
  • US2349138A - Preparation of pectic acid : en
  • ES163878A1 - PERFORATION TOWER OR EXTRACTION MADE OF SPATIAL JEALOUSIES : en es
  • ES165622A1 - A PROCEDURE FOR THE PREPARATION OF CONDENSATION PRODUCTS : en es
  • FR892681A - Electromagnetic capacitor : en fr
  • FR892720A - electrodes with high anodic resistance to passage : en fr
  • US2348832A - Process for treating bituminous substances : en
  • US2348977A - Fifth wheel : en
  • US2348815A - Manufacture of motor fuel : en
  • FR892636A - Phonographic recording process with adjustable pitch during recording on a disc : en fr
  • GB561408A - Improved heat-treating apparatus : en
  • ES158361A1 - EXAMINATION STATION FOR THE SURVEILLANCE OF LOCOMOBILE TELECOMMUNICATION CABLE FACILITIES : en es
  • ES165636A1 - A MIXER FOR GASES AT DIFFERENT PRESSURE : en es
  • DE745600C - Adjustment device for projection light bulbs : de en
  • DE745638C - Method and device for sorting ferromagnetic parts according to their hardness : de en
  • GB561450A - Universal tractor hitch : en
  • DE742859C - Stocking molding machine : de en
  • FR892610A - Periodically operated contact device : en fr
  • US2349085A - Tuning arrangement for signaling systems : en
  • ES161759A1 - PROCEDURE FOR THE LINKING OF ARTIFICIAL SILK THREADS : en es
  • US2348844A - Gear shaving hob : en
  • CA420182A - Sealed capsule : en fr
  • ES165677A1 - A PROCEDURE FOR THE OBTAINING OF SUGAR CONDENSATION PRODUCTS : en es
  • US2349019A - Garment : en
  • CA420216A - Shaving implement : en fr
  • CH232290A - Process for producing a diazoamino compound. : de en
  • US2349151A - Four-wheel vehicle drive : en
  • CH232285A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • AU852543A - Composition and process for waterproofing and rotproofing textiles andthe like : en
  • ES165489A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • ES165567A1 - A ASSEMBLY INTENDED TO MODIFY THE OWN FREQUENCY OF AN OSCILLATING CIRCUIT : en es
  • FR892672A - Ropes made of wood chips for various uses and in particular for the manufacture of camouflage nets : en fr
  • US2348801A - Wheel and axle assembly : en
  • FR892755A - Further training in devices intended to reproduce documents by photographic means : en fr
  • US2348715A - Slushing composition : en
  • US2348883A - Zinc oxide : en
  • FR892618A - Wood-soled shoe assembly with improved rigid or semi-rigid insole : en fr
  • ES165501A1 - IMPROVEMENTS IN THE MANUFACTURE OF AGGLOMERATED CORK ARTICLES : en es
  • GB561308A - Pneumatic sound producing device : en
  • FR892637A - Bicycle brake combined with anti-theft device : en fr
  • CH232073A - Thermostat. : de en
  • GB561326A - Improvements in and relating to side gun mountings for aircraft : en
  • GB561337A - Improvements relating to synthetic resins and their uses : en
  • DE745654C - Drilling and milling tools for woodworking machines : de en
  • ES165541A1 - A MACHINE TO MAKE OVOID AND SIMILAR : en es
  • US2349037A - Machine for making closure caps : en
  • US2349099A - Serving bowl : en
  • DE745770C - Compression spoon consisting of a middle piece and side walls : de en
  • CH232307A - Ultra-short wave tube with built-in resonance circuit. : de en
  • USD137931S - Design for a dress : en
  • CH232313A - Mechanical-hydraulic power transmission device. : de en
  • CA420175A - Fur carroting method and composition : en fr
  • US2348788A - Alcohol-soluble azo dyestuffs and their manufacture : en
  • GB561396A - Folding perambulator : en
  • GB561342A - Improvements in the filtering of oils : en
  • GB561349A - Improvements relating to vehicle hydraulic brakes : en
  • GB561404A - Improvements in and relating to boiler feed and like regulators : en
  • ES165396A1 - AN INDUSTRIAL PROCEDURE FOR THE OBTAINING OF A SOLID FUEL : en es
  • GB561439A - Improved method of and means for repairing the covers of pneumatic tyres : en
  • ES165485A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF ENCLOSURES INTENDED FOR THE TRANSPORTATION OR CONSERVATION OF GOODS, PARTICULARLY IN THE WAGONS, AIRCRAFT, TRUCKS, "CONTAINER" BOXES, BOATS AND WAREHOUSES : en es
  • GB561370A - Improvements in or relating to the production of sulphur : en
  • ES163413A1 - GAS TURBINE, WITH REFRIGERATION OF THE PALLETS : en es
  • FR892753A - Centrifugal force regulator for injection pumps of internal combustion engines with injection : en fr
  • GB561410A - Improvements in or relating to methods of and apparatus for treating bimetallic billets : en
  • US2349112A - Plane attachment : en
  • US2349225A - Well logging instrument : en
  • US2349228A - Weighing device : en
  • CH232086A - Filters for cleaning charcoal and wood gas. : de en
  • CA420266A - Circuit breaker mechanism : en fr
  • CH232128A - Process for the production of an artificial mass. : de en
  • ES165386A1 - IMPROVEMENTS INTRODUCED IN THE SELECTORS OF SUCCESSIVE FREQUENCY CHANGES : en es
  • US2348902A - Handle retaining fixture : en
  • US2349067A - Protecting device for landing wheels of aircraft : en
  • CH232163A - Shock-proof journal bearing for balance shafts of watches. : de en
  • ES164677A1 - IMPROVEMENTS INTRODUCED IN AIR FILTERS, ESPECIALLY OF EXPLOSION ENGINES : en es
  • ES165633A1 - AN ELECTRICAL SIGNAL TRANSMISSION SYSTEM : en es
  • GB561320A - Improvements in portable electric flashlights : en
  • US2349179A - Production of nitrogenous heterocyclic compounds : en
  • CA420162A - Tube coupling : en fr
  • US2348707A - Railway switch operating apparatus : en
  • CH232081A - Method for processing glass film blown in the shape of a balloon. : de en
  • US2349123A - Steam injector : en
  • US2349146A - Engine starting gearing : en
  • AU697342A - Improvements in reduction apparatus : en
  • CH232187A - Supports, in particular for electrical measuring devices. : de en
  • CA420257A - Time switch : en fr
  • CH232102A - Device for changing the circumferential position of a drive shaft with respect to an output shaft with the aid of a drive device, in particular for Rouleaux printing machines. : de en
  • CH232090A - Knocker. : de en
  • GB561406A - Improvements in or relating to contacts for electrical switches, fuses, fuse switches, cut-outs, circuit breakers and the like : en
  • CH232184A - Element to facilitate the assembly by bolts of construction parts. : en fr
  • CH232215A - Electrical conductor. : de en
  • CH232256A - Light vehicle. : en fr
  • CA420186A - Locomotive driving box equipment : en fr
  • US2348771A - Planographic printing plate : en
  • GB561425A - An improved method of obtaining coloured images : en
  • CH232138A - Classification box, especially for loose-leaf bookkeeping. : de en
  • AU118490B2 - Improvements in or relating to machines for pressing shoe soles : en
  • CA420215A - Vapour electric device : en fr
  • USD137905S - Design for a template : en
  • CA420189A - Railway car truck device : en fr
  • CH232071A - Boiler. : de en
  • CH232104A - Shoe. : de en
  • CH232222A - Directional comparison protection for detecting earth faults. : de en
  • CH232227A - Device with a discharge tube that is sensitive to changes in space charge. : de en
  • CA420275A - Expanded rubber manufacture : en fr
  • ES163737A1 - PROCEDURE FOR THE OBTAINING OF COK IN CARBON PARTS WITHOUT AGGLOMERATING POWERS : en es
  • FR892697A - Dehydrating and fuming apparatus for use by gasifiers using raw wood : en fr
  • US2349156A - Offset drilling attachment : en
  • CA420226A - Fluid flow control apparatus : en fr
  • US2349056A - Envelope folding and gluing machine : en
  • USD137935S - Design fob a dress : en
  • FR892703A - Method and device for making narrow reels of paper : en fr
  • FR892732A - Control for transmission adjustable by a manual adjustment device : en fr
  • GB561321A - Improvements in or relating to packings for seals, stuffing boxes, pistons and the like : en
  • US2349131A - Oiling device : en
  • US2348812A - Refrigerator cabinet : en
  • CH232293A - Process for the preparation of an azo dye. : de en
  • US2349124A - Ordnance : en
  • CA420218A - Riboflavin production : en fr
  • DE745604C - Process for shaft mining of coal in mining operations : de en
  • CA420273A - Vegetable slicing machine : en fr
  • GB561293A - Acid recovery process : en
  • US2348859A - Life craft : en
  • US2349188A - Astronomical instrument : en
  • US2349230A - Apparatus for the preparation of catalysts : en
  • CH232084A - Ignition vault on furnaces. : de en
  • GB561380A - Improved wire-straightening machine : en
  • USD137928S - Schofield lawn mower : en
  • CA420296A - Compensated wood board : en fr
  • CA420203A - Titanium oxide production : en fr
  • GB561446A - Improved bearings and the like and methods of making the same : en
  • US2349013A - Stereoscopic viewer : en
  • GB561378A - Improvements relating to the stabilisation of nitrocellulose, especially nitrocellulose photographic film base : en
  • US2348704A - Treatment of glass surfaces : en
  • US2349223A - Treatment of garnierite ores : en
  • ES165535A1 - A MACHINE FOR MIXING AND EXPULSION OF PLASTIC MATERIALS, ESPECIALLY FROM THERMOPLASTIC MATERIALS : en es
  • FR892658A - Device for measuring low DC voltages : en fr
  • US2349040A - Game apparatus : en
  • AU118477B2 - Liquid fuel burning devices of pressure type : en
  • CA420252A - Humidifying pan : en fr
  • CH232252A - Frames on motor vehicles. : de en
  • FR892702A - Automotive tow truck : en fr
  • US2349033A - Boring head : en
  • ES162885A1 - A PROCESS OF MANUFACTURING ENDLESS SOUND TAPES AND A COVERING MATRIX TO PERFORM SUCH PROCEDURE : en es
  • ES163867A1 - DRIVE DEVICE FOR THE COTTON RECTIFIED MACHINE PLATINUM BOXES : en es
  • US2349229A - Method of and apparatus for producing pulsating current : en
  • FR892661A - Ball bearing : en fr
  • CH232214A - High voltage transformer. : de en
  • FR892794A - Process for preparing normal butylene : en fr
  • US2348790A - Breech mechanism for automatic firearms : en
  • US2348896A - Circuit breaker : en
  • ES165540A3 - ONE AUTOMATICALLY OPERATING SLIDING NEEDLE : en es
  • ES165696A1 - MECHANICAL PROCEDURE FOR THE MANUFACTURE OF WOODEN SOLE : en es
  • US2349141A - Tractor : en
  • DE745606C - Device for liquor mixing in the wet treatment of textiles in several treatment tanks : de en
  • ES163944A1 - IMPROVEMENTS IMPROVED IN THE ALLOY OF STEEL BATHROOMS WITH VANADIO : en es
  • US2349044A - Corrosion protective composition : en
  • US2348823A - Process for manufacturing glass articles : en
  • CA420284A - Pressure actuated switch : en fr
  • ES165619A1 - A STEREOFONIC ELECTRONIC SIGNAL TRANSMISSION DEVICE : en es
  • GB561365A - Improvements in or relating to calculating devices for use in solving problems encountered in navigation, particularly in aerial navigation : en
  • US2349186A - Sensitivity control for seismic recording : en
  • DE745688C - Optical arrangement for measuring devices with light pointer : de en
  • US2348942A - Leaf spring with friction element : en
  • US2348727A - Toolholder : en
  • US2349032A - Identification badge : en
  • FR892773A - Device preventing oil shocks in air shock absorbers with piston moving in a cylinder : en fr
  • US2348923A - Vehicle recorder : en
  • ES165549A1 - IMPROVEMENTS IN THE CONSTRUCTION OF VEHICLES DESIGNED TO CONSTITUTE TRAINS OF ARTICULATED AND INSEPARABLE UNITS THAT MOVE ON RAILS : en es
  • US2348992A - Hot miller for detachable rock drill bits : en
  • GB561362A - Improvements in or relating to method of and apparatus for conveying or delivering sheets or thin flat articles : en
  • FR892673A - Centrifugal regulator : en fr
  • USD137923S - Design for a metal cutter : en
  • US2349015A - Flush tank : en
  • ES164540A1 - PROCEDURE FOR THE REFINEMENT OF THE STRUCTURE AND TO IMPROVE THE PROPERTIES OF RESISTANCE OF THE MAGNESIUM AND ITS ALLOYS : en es
  • FR892706A - Exhaust or low pressure steam turbine : en fr
  • GB561445A - Retort for the distillation and carbonisation of carbonaceous materials : en
  • FR892778A - Intermediate superheater with direct heating : en fr
  • GB561434A - Improvements in electric relay systems for the automatic control of variable conditions : en
  • US2348912A - Self-analyzing dichroic image : en
  • DK62243C - Device for piezoelectric vibration crystals. : da en
  • ES165508A1 - A NEW SYSTEM OF ROLLABLE BLINDS : en es
  • ES142167A1 - A procedure to assemble and secure fiber cement tiles in the construction of roofs. : en es
  • FR892796A - machine bench for finishing bench : en fr
  • FR892675A - Self-supporting arch system : en fr
  • US2348877A - Rivet cutter : en
  • FR892682A - Synthetic lubricating grease from petroleum and anthracene residues : en fr
  • US2349190A - Recovery of finely divided magnesium scrap : en
  • US2348947A - Key holder : en
  • US2348734A - Slack adjuster : en
  • US2349023A - Emergency auto stretcher cot : en
  • US2349089A - Stabilized diazonium derivative of phthalocyanine compounds : en
  • FR892634A - Device allowing the mechanical resolution of triangles in the field : en fr
  • DE745719C - Press casting machine for processing magnesium and its alloys : de en
  • GB561338A - A process for the manufacture of water gas and like gases : en
  • US2348760A - Oil burner : en
  • ES163984A1 - A PROCEDURE FOR SOLUBILIZING WASTE, SLAG, MINERALS AND SIMILAR CONTAINING TUNGSTEN OR VANADIO IMPURIFIED BY CHROME : en es
  • CH232226A - Electric discharge tube. : de en
  • US2348800A - Apparatus for icing bakery goods : en
  • ES164831A1 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR THE THERMAL TREATMENT OF PRODUCTS IN POWDER OR IN PIECES : en es
  • ES165563A1 - A PROCEDURE TO PRODUCE THE PNEUMATICALLY DELAYED EXPLOSION AT THE END OF ITS PATH OF PUMP IN GENERAL AND IN PARTICULAR THE AVIATION PUMPS : en es
  • ES165617A1 - A SUPERHETERODINO RECEIVER ASSEMBLY : en es
  • USD137926S - Design for an apron : en
  • GB561385A - Improvements in or relating to steam and water valves : en
  • CA420173A - Metal fusion joining method : en fr
  • US2348820A - Fence post driver : en
  • US2349018A - Tape driving system for magnetic sound recording machines and the like : en
  • US2349095A - Electric circuit breaker : en
  • CA420165A - Egg-shelling means : en fr
  • US2348985A - Method for determining permeability : en
  • USD137936S - Design fob a dress : en
  • DE745546C - Device for the controllable feeding of the cast material during the continuous casting of metals and metal alloys : de en
  • CA420170A - Telegraphy teaching method : en fr
  • FR892789A - Slicing machine, including adjustable stop plate : en fr
  • GB561313A - Brush : en
  • CH232305A - Ultra-short wave tube with one or more cavity resonance circuits. : de en
  • DE745779C - Hydraulic pipe testing machine : de en
  • ES162402A1 - A PROCEDURE TO RESTORE OLD BOOKS : en es
  • US2348781A - Laminating fabric : en
  • FR892629A - Double spring harpoon launch rifle for spearfishing : en fr
  • ES165672A1 - A PROCEDURE TO PRODUCE CYANIDE OF ALKALINOTERREAL METALS : en es
  • FR892632A - Process for separating phosphorus and vanadium salts from aluminate solution during the production of alumina by the bayer process : en fr
  • FR892641A - Combined action springs for underwater guns : en fr
  • ES164864A3 - A PROCEDURE FOR THE MANUFACTURE OF FLEXIBLE TUBES FOR FLUIDS : en es
  • US2348962A - Nail and tack holder and finger guard : en
  • ES165701A1 - A PROCEDURE FOR OBTAINING THE SULFUR CONTAINED IN THE SCRAPS OF HIGH FURNACES AND DEVICE FOR ITS EXECUTION : en es
  • ES165650A1 - A SPECIAL CYLINDER HEAD FOR EMPLOYING POOR GAS IN PETROL ENGINES : en es
  • US2349145A - Governor : en
  • DE745712C - Method for measuring pulse times with cathode ray tubes : de en
  • FR892793A - Screen speaker : en fr
  • GB561292A - Improvements in portable electric flashlights : en
  • US2349012A - Means for producing high frequency oscillations in illuminating electronic dischargelamp devices : en
  • GB561397A - Improvements in or relating to machines for making lock seamed sleeves : en
  • CH232220A - Arrangement to facilitate the blasting out of dustproof windows, in particular on clockworks used for time control of apparatus. : de en
  • CH232301A - Process for the production of a copolymer from a vinyl sulfamide. : de en
  • AU825443A - Liquid fuel burning devices of pressure type : en
  • CH232263A - Electric point heating. : de en
  • CA420234A - Water repellent textile production : en fr
  • AU759242A - Improvements in or relating to electric signalling systems : en
  • US2349028A - Photographic washing apparatus : en
  • US2349065A - Ornamentation : en
  • CA420289A - Roofing support : en fr
  • CA420188A - Press : en fr
  • CA420210A - Steel heat treating method : en fr
  • CA420251A - Rib knit fabric : en fr
  • CH232130A - Resin molding compound of powdery or granular structure and process for its production. : de en
  • AU118471B2 - Improvements in reduction apparatus : en
  • AU118486B2 - Improvements relating to cation-exchange materials and their use inthe treatment of water andother liquids : en
  • CH232110A - Process for the deposition of pregnenol- (3) -one- (20) -esters. : de en
  • CA420198A - Electric discharge device and electrode : en fr
  • CH232129A - Process for polymerizing 2-chlorobutadiene-1.3. : de en
  • CA420232A - Coating for ferrous articles : en fr
  • CH232149A - Process for regenerating a gas-filled envelope, at least partly made of rubber, e.g. B. a tennis or game ball. : de en
  • CH232135A - Process for the preparation of a mixture containing thermoplastic high molecular weight compounds. : de en
  • US2348889A - Coil winding device : en
  • US2348949A - Insecticide and method of making same : en
  • CA420271A - Picture reproducing apparatus : en fr
  • US2348983A - Method of simplifying animation : en
  • CA420268A - Circuit breaker mechanism : en fr
  • CH232087A - Generator gas system, in particular for operating vehicle engines. : de en
  • CH232201A - Vane steam engine with controlled outlet slots in the cylinder wall. : de en
  • ES165669A1 - VEGETABLE CARBON GASOGEN : en es
  • US2348853A - Cathode ray tube : en
  • US2349142A - Drill jig : en
  • USRE22480E - Printing machine : en
  • CA420277A - Expanded rubber manufacture : en fr
  • CH232155A - Method and device for determining the long-term impact resistance of springs subjected to sudden loads, in particular firearm springs. : de en
  • ES165623A1 - A MOLINETE FOR AUTOMATIC MOLTURING OF ALL KINDS OF GRAINS OF CEREALS : en es
  • US2348978A - Lifting tool for manhole covers : en
  • US2349079A - Combustion lamp : en
  • CA420286A - Firearm with sling-straps : en fr
  • CH232183A - Stud. : de en
  • FR892646A - Double draft wood gasifier : en fr
  • ES165717A1 - MANUFACTURING SYSTEM OF A WAVING ELECTRICAL COMB : en es
  • CH232166A - Gallows for driving out watch stones in their support. : en fr
  • CH232246A - Riegger circuit for decimeter waves. : de en
  • CH232310A - Process for producing a sulfonamide compound. : de en
  • DE745648C - Paint for iron or its alloys : de en
  • ES165685A1 - PROCEDURE FOR OBTAINING A PREPARATION OF VEGETABLE HORMONES ADOPTED TO INCREASE THE PERFORMANCE OF CULTIVATED PLANTS : en es
  • GB561401A - Improvements in or relating to reciprocating pumps : en
  • DK62247C - Transformer chip. : da en
  • FR892613A - Process for preparing nitrogenous substances by catalytic treatment of amino derivatives : en fr
  • GB561453A - Improvements in or relating to self-locking or "stiff" nuts : en
  • NL57085C - : nl
  • US2348988A - Refrigerated case : en
  • FR892667A - Target for apartment shooting : en fr
  • GB561348A - An improved roof truss : en
  • US2348903A - Pruning shears : en
  • ES165502A1 - A PROCEDURE FOR CONTINUOUS MANUFACTURE OF AGGLOMERATED CORK PLATES : en es
  • CH232236A - Process for the preparation of the sodium salt of an abietic acid derivative. : de en
  • ES163975A3 - APPARATUS FOR THE DISTILLATION OF TAR : en es
  • US2349227A - Process for preparing condensed low lactose skim milk for storage and recovery of lactose therefrom : en
  • USD137940S - Design for a staple remover : en
  • US2349196A - Power plant assembly : en
  • CA420248A - Paper feeding device : en fr
  • DE745639C - Device for measuring the vertical speed of vehicles, in particular aircraft : de en
  • ES165594A1 - A PROCEDURE FOR THE MECHANICAL EMULSIONATE OF ALTERNATE ZONES, ON CONTINUOUS PHOTOGRAPHIC PAPER : en es
  • ES165681A1 - MECHANICAL ARRANGEMENT TO FIT OR SHAPE THE HEELS IN WOODEN SOLES, ADAPTED TO TUPI MACHINES VERTICALLY : en es
  • US2349054A - Nursing bottle holder : en
  • US2348770A - Recovery of aluminum bromide catalyst : en
  • ES165631A3 - AN ELECTRO-THERMAL DEVICE FOR THE HEATING, TO ADJUSTABLE TEMPERATURES, OF THE WATER IN RUBBER BAGS AND SIMILAR HEATERS : en es
  • CH232162A - Projection screen. : de en
  • US2348914A - Book file : en
  • FR892638A - Counter-pedal braking device for bicycles and other similar vehicles acting through the hub of the driving wheel on the shoe brakes : en fr
  • FR892750A - Hot gas engine : en fr
  • ES161694A1 - PROCEDURE FOR THE OBTAINING OF WOOD FIBER PLANKS : en es
  • ES165683A1 - NEW SHELL WOOD POLISHING MACHINE FOR FOOTWEAR : en es
  • FR892650A - Manufacture of an all-purpose fuel : en fr
  • US2348941A - Vibration damping device : en
  • ES165716A1 - PROCEDURE FOR POLISHING, MATTING, PRINTING AND ANALOGS, CONTINUOUS OF THERMOPLASTIC TAPES OF ARTIFICIAL MATERIAL : en es
  • GB561384A - Improvements in and relating to cooling means for laminated cored inductive electrical apparatus : en
  • ES165680A1 - MACHINE FOR SETTING WOODEN SOLE : en es
  • CH232131A - Process for the production of a condensation product. : de en
  • FR892617A - Tubular bearing specially for the rolling mechanism of tracked vehicles : en fr
  • FR892771A - Packaging manufacturing process for frozen goods : en fr
  • GB561405A - Improvements in or relating to telecommunication systems : en
  • FR892715A - Dyes dyeing and printing in bright shades ranging from pink to red and method of preparing such dyes : en fr
  • ES164838A1 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR EXTRACTING PARTIAL AMOUNTS OF LIQUID FROM A DEPOSIT CONTAINER USING A PUMP MECHANISM : en es
  • US2349144A - Telephone booth : en
  • ES165463A1 - A PROCEDURE FOR THE MANUFACTURE OF CELLULOID IN SHEETS OR PLATES : en es
  • GB561319A - An improvement in or relating to valves for water mains : en
  • FR892654A - Manufacturing process making it possible to save material in the manufacture of metal screws with cylindrical heads or others : en fr
  • CH232314A - Chassis for rail vehicles with an uneven number of axles and driven by electric motors. : de en
  • US2349192A - Lock for airplane doors or the like : en
  • US2348936A - Coin sorting and counting machine : en
  • FR892774A - Process for obtaining canned meat and sausages using predrying : en fr
  • ES165175A1 - A NEW PERFECTION OF CLOSURE FOR BOXES, PACKAGES AND ANALOGS : en es
  • ES165649A1 - A PROCEDURE TO CALORIZE THE ORIGINAL OIL AND SIMILAR OIL FOR USE IN THE EXPLOSION ENGINES : en es
  • ES165419A1 - A MAGNESIUM PURIFICATION PROCEDURE : en es
  • CH232093A - Washing bowl, especially for washing vegetables etc. : de en
  • CA420261A - Shock absorber : en fr
  • DE745674C - Coal commutator assembly : de en
  • US2348998A - Flange forming die assembly : en
  • US2349025A - Shopper's bag : en
  • CH232217A - Method of isolating metal parts with protrusions. : de en
  • CH232292A - Process for producing a diazoamino compound. : de en
  • USD137939S - Combination staple remover and letter opener : en
  • CH232095A - Process for the removal of liquids during the aftertreatment of textile fibers, in particular rayon in fleece form. : de en
  • US2349173A - Manufacture of alicyclic compounds : en
  • US2348926A - Apparatus for determining stresses in pipe arrangements : en
  • US2348965A - Thermostatically operative valve : en
  • US2348764A - Variable pitch airscrew : en
  • US2348950A - Draft control means for furnaces : en
  • CA420190A - Flexible pocket receptacle : en fr
  • US2348809A - Drifting valve : en
  • CH232096A - Process for spinning viscose. : de en
  • GB561345A - Reversible pusher carriage for the transport of rolled material : en
  • CH232253A - Frames on vehicles, in particular for off-road driving purposes. : de en
  • US2349084A - Adjustable bearing mounting : en
  • CH232289A - Process for the production of a condensation product. : de en
  • US2348987A - Hoist : en
  • US2348967A - Permanent lifting magnet : en
  • CA420187A - Portable hammer : en fr
  • US2349127A - Envelope clasp : en
  • ES165512A1 - A PERFECT PROCEDURE FOR MANUFACTURING WALL TILES : en es
  • FR892615A - Improvements to wooden or similar soles : en fr
  • CH232115A - Process for the chlorination of aromatic hydrocarbons. : en fr
  • NL56300C - Method for the preparation of a whippable and frying egg white from milk : en nl
  • US2348729A - Animal trap : en
  • CA420242A - Ductile magnesium production : en fr
  • US2348986A - Resonant cavity magnetron : en
  • AU851243A - Improvements relating to cation-exchange materials and their use inthe treatment of water andother liquids : en
  • CH232132A - Process for the preparation of a condensation product. : de en
  • US2349005A - Ink eradicator applicator : en
  • US2349004A - Milling machine : en
  • US2349118A - Function cam : en
  • DE745644C - Monitoring device for signal systems with color change, especially for overhead warning signal systems : de en
  • CH232146A - Fountain pen. : de en
  • CH232243A - Telecommunication system. : de en
  • DE745844C - Slot-controlled two-stroke internal combustion engine : de en
  • CH232098A - Device for embroidering thick decorative material on fabric in multi-needle embroidery machines. : de en
  • CH232258A - Locomotive with at least one bogie having running axles and driving axles. : de en
  • US2349098A - Process of adsorbing gases and vapors : en
  • USD137907S - Design for a dart game board : en
  • CA420231A - Lead oxide : en fr
  • US2348864A - Machine for applying and drying adhesive on paper goods : en
  • US2349108A - Crankshaft grinder : en
  • US2349035A - Convertible coat : en
  • US2348778A - Patient's lift attachment for beds : en
  • US2348933A - Stove : en
  • ES165226A1 - IMPROVEMENTS IN THE EXCENTRIC PUMPS : en es
  • GB561330A - Improvements in or relating to annular toothed gearing : en
  • CH232270A - Process for the production of a new condensation product. : de en
  • CH232209A - Gas heater. : de en
  • CH232269A - Laundry detergent. : de en
  • US2349226A - Rollable window screen : en
  • CA420181A - Storage receptacle : en fr
  • US2348928A - Bearing construction : en
  • US2348839A - Blowpipe : en
  • US2348754A - Turbine apparatus : en
  • US2348810A - Method and apparatus for determining liquid level : en
  • DE745790C - Process for producing resonance bodies for stringed instruments : de en
  • ES163946A1 - A PROCEDURE FOR THE SOLUBILIZATION OF ESCANIAS CONTAINING VANADIO : en es
  • ES165674A1 - A PROCEDURE TO OBTAIN CALCIUM CYANIDE DIAMONIATE : en es
  • DE745870C - Inner rail for tubular bones : de en
  • US2349021A - Safety crane hook : en
  • US2349055A - Outside door handle : en
  • ES164333A1 - IMPROVEMENTS IN THE MOLDS TO MANUFACTURE BUTTONS AND RELATED ARTICLES, OF SYNTHETIC RESINS OR OTHER PLASTIC MATERIALS : en es
  • ES165395A1 - AN INDUSTRIAL PROCEDURE FOR THE OBTAINING OF A SOLID FUEL : en es
  • DE745760C - Flat weft knitting machine with auxiliary cover needles : de en
  • CH232225A - Circuit with a double-controlled electron tube in which one controller is used for gain control. : de en
  • NL57133C - : nl
  • GB561402A - Improvements in imparting shrinkage qualities to textile materials of regenerated cellulose : en
  • FR892756A - Plasticizer : en fr
  • FR892688A - Crusher device for fruit mills : en fr
  • US2348969A - Modulating control system : en
  • GB561324A - Improved low temperature polymerisation process and apparatus therefor : en
  • FR892663A - Electric cooker : en fr
  • US2348871A - Sheet pulp container forming apparatus : en
  • FR892606A - Impact cutting bit : en fr
  • CA420208A - Electric discharge lamp circuit : en fr
  • ES163318A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF BOXES FOR ENDLESS SOUND MOVIES AVAILABLE IN ROLLO : en es
  • GB561341A - Improvements in or relating to tandem bicycles : en
  • ES161389A1 - PROCEDURE TO AVOID THE LOSS OF GASES IN THE INVESTMENT OF SIEMENS-MARTÍN REGENERATION HOMES : en es
  • FR892643A - Improvements made to reinforced cement ship hulls, as well as to the processes and installations for their construction : en fr
  • GB561376A - Improvements in or relating to pile fabrics : en
  • GB561350A - Torque dividing mechanism : en
  • FR892614A - Process for preparing albuminous products suitable for threshing and baking : en fr
  • FR892792A - Product for the treatment of surfaces of materials such as wood, leather, etc. : en fr
  • ES164995A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF PLANE PRINTERS : en es
  • FR892734A - Improvements in methods and installations for establishing a concrete lining in a mine shaft or the like : en fr
  • GB561395A - A quickly releasable fastening for holding panels and other members to structures and applicable also for like purposes : en
  • FR892731A - Device for printing or enlarging color images : en fr
  • GB561304A - Improvements in or relating to apparatus for generating electric signals : en
  • DE745622C - Methods of washing and cleaning : de en
  • ES165545A1 - A PORTABLE DIGTILLO-NUMERATOR APPARATUS : en es
  • GB561333A - Extraction of an enzyme substance : en
  • US2349041A - Signaling device for gun perforators : en
  • US2349090A - Stabilized polydiazo-phthalocyanines : en
  • AU118483B2 - Improvements in or relating to apparatus forthe vending of pourable food, such as soup : en
  • FR892691A - Cantilever turbine, especially for hot gases : en fr
  • GB561343A - Improvements relating to ships and other floating structures : en
  • US2349135A - Motion-transmitting mechanism : en
  • US2348830A - Harmonica : en
  • AU727142A - Improvements relating tothe manufacture of margarine and cooking fats : en
  • US2348956A - Ice tray : en
  • FR892690A - Rotor for blowers or centrifugal pumps : en fr
  • FR892652A - Talking portrait and its production process : en fr
  • GB561415A - Improvements in or relating to smoke consuming devices for steam boilers : en
  • FR892699A - Cargo game : en fr
  • US2348728A - Method of arc welding : en
  • ES165643A1 - A PROVISION TO LIMIT THE AMPLITUDES OF A HIGH FREQUENCY TENSION FOR ELECTRODE MANEUVER : en es
  • FR892710A - Process for intimately bonding natural or synthetic rubber with natural or artificial fibers : en fr
  • US2348796A - Material moving device : en
  • US2349122A - Sound film apparatus : en
  • FR892623A - emulsion of drilling, drilling and reaming oils : en fr
  • DE745690C - Device for setting the length of a linear guide displaceable plate table of a photometer for measuring spectral lines : de en
  • US2349114A - Double cord fastener : en
  • IE17825L - Luminescent materials : en
  • FR892698A - Wooden clothespin, whose two branches held by a rivet, open and close laterally : en fr
  • DK62255C - Coupling for electromagnetic control of injection valves in internal combustion engines. : da en
  • ES165581A1 - A PROCEDURE FOR THE OBTAINING OF CONDENSATION PRODUCTS : en es
  • US2348795A - Cleaning and disinfecting composition : en
  • CA420185A - Locomotive underframe : en fr
  • US2349014A - Ironing machine : en
  • FR892677A - Mobile unit for air conditioning : en fr
  • ES165417A3 - CENTERLESS GRINDER : en es
  • FR892748A - Improvements made to electron-emitting power electrodes for electric discharge tubes : en fr
  • US2349158A - Ceiling system : en
  • US2349165A - Composition containing resinous type products : en
  • ES165657A1 - IMPROVEMENTS IN THE GASOGENS FOR EXPLOSION ENGINES : en es
  • FR892601A - Contact allowing the common connection of two electrical components, for example a discharge tube and a tuning coil : en fr
  • US2348946A - Method of protecting tubers against decay : en
  • DE745728C - Insulation of commutators for electrical machines : de en
  • ES165662A1 - SELF-REGULATING TRANSFORMER OF INTENSITY CONTANSTE ESCALONADA : en es
  • CA420160A - Sewing machine presser foot : en fr
  • CA420285A - Universal joint : en fr
  • USRE22482E - Space heater : en
  • DE745684C - Process for the production of highly condensed polyamides from diamines and carbonic acid : de en
  • CA420267A - Circuit breaker mechanism : en fr
  • CA420197A - Electric discharge lamp : en fr
  • US2348793A - Lifesaving suit : en
  • US2349194A - Stoker : en
  • CH232297A - Process for the production of a vat dye. : de en
  • US2349031A - Storage battery cover : en
  • AU869143A - Improvements in or relating to supports for mirrors orthe like : en
  • CH232089A - Dustpan. : de en
  • FR892662A - Automatic button or press stud, which can be opened by pressing : en fr
  • US2348733A - Method and means for indicating the specific gravity of flowing fluids : en
  • US2348884A - Brazing apparatus : en
  • US2348747A - Mechanical exercising horse : en
  • USD137920S - Liturgical fabric or similar article : en
  • US2348802A - Hydrocarbon conversion process : en
  • CH232309A - Process for the preparation of 3 ', 4'-dimethyl-benzoyl-4-amino-benzenesulfonamide. : de en
  • US2348994A - Sheave : en
  • GB561316A - Absorption refrigerating apparatus : en
  • CH232245A - Circuit arrangement in telecommunications offices. : de en
  • ES165354A1 - IMPROVEMENTS IN VALVES TO MAKE IRRELLABLE LIQUID CONTAINERS : en es
  • GB561315A - Improvements in and connected with huts and like structures : en
  • CH232288A - Process for the production of a condensation product. : de en
  • US2349119A - Indexing chuck : en
  • US2349175A - Motor vehicle : en
  • GB561347A - Improvements in or relating to apparatus for viewing television images : en
  • GB561372A - Improvements in push graders for earth-working : en
  • US2348822A - Filtration : en
  • US2348744A - Typing rhythm indicator : en
  • DE745636C - Process for the production of particularly resistant organic threads, fabrics and fabric-like materials : de en
  • DE745635C - Elastic weft knitted fabric and double lock for flat knitting machines for the production of such a product : de en
  • AU921843A - Improvements relating to pumps for use with hydraulic rams : en
  • CA420180A - Mercurated aryl-alkyl ketone production : en fr
  • CH232068A - Process for the production of floor slabs and floor slab produced by the method. : de en
  • US2348769A - Liquid dispensing means : en
  • US2348900A - Electrically controlled lock system for revolving doors : en
  • DE745676C - Insulating body for brushes of electrical machines : de en
  • GB561359A - Improvements in devices for supplying starting fuel to internal combustion engines : en
  • ES165651A3 - IMPROVEMENTS IN THE CONSTRUCTION OF AUTO VALVE LIGHTNING ARRESTER : en es
  • US2348762A - Stoker : en
  • CH232234A - Device to facilitate dental operations. : en fr
  • FR892714A - Device for emitting high-frequency, directed, variable-direction radiation : en fr
  • US2349103A - Means of flush fabric attachment : en
  • US2348868A - Process of manufacturing flexible cellulosic products : en
  • CH232200A - Screw pump. : de en
  • USD137932S - Design for a textile fabric : en
  • GB561438A - Improvements relating to fire-extinguishing installations : en
  • US2349181A - Method of sealing or fixing casing tubes in wells : en
  • US2349204A - Paper box machine : en
  • DE745698C - Method for detecting voids or similar defects in castings made of light metal alloys, in particular magnesium alloys : de en
  • US2348723A - Oil interceptor : en
  • US2348895A - Power-operated scissors : en
  • US2348968A - Conductor and track wire connection holding means : en
  • USD137899S - Embroidered trimming or the like : en
  • DK62241C - Method of Making a Baking Aid. : da en
  • CA420236A - Clutch control mechanism : en fr
  • DK62252C - Protection device at circular saws. : da en
  • GB561340A - Improvements in and relating to the utilisation of heat produced by friction : en
  • DE745456C - Process for the production of water-insoluble azo dyes on the fiber : de en
  • DE745774C - Circular vial : de en
  • FR892694A - New provision for reducing or eliminating noise and wear in extendable pulleys : en fr
  • US2348805A - Control device : en
  • US2349210A - Process for improving the color of resinous copolymers of terpenes : en
  • US2348971A - Process for the separation of the constituents of tall oil : en
  • CH232144A - Frame for slide films and processes for their production. : de en
  • CH232262A - Electric point heating. : de en
  • CH232282A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • CA420253A - Writing pen : en fr
  • DE745871C - Inner rail for tubular bones : de en
  • US2349057A - Frequency multiplier : en
  • CA420205A - Circuit breaker control system : en fr
  • DE745686C - Measuring arrangement for the simultaneous testing of several measuring points of a workpiece : de en
  • CA420213A - Make-alive electrode manufacture : en fr
  • US2348803A - Veneering press : en
  • US2348882A - Electrolytic water correction device : en
  • ES165536A3 - A CLUTCH SYSTEM FOR CONCENTRICALLY ROTATING LEVERS OR APPARATUS AT A CONSTANT PRESSURE GRADUATED AT WILL : en es
  • ES165714A1 - IMPROVEMENTS IN THE PROCEDURES OF TOMAVISTAS CINEMATOGRÁFICOS : en es
  • GB561368A - Improvements relating to contact process sulphuric acid plants : en
  • US2348739A - Gaseous discharge lamp circuit : en
  • CH232123A - Fluorescent product and process for its preparation. : en fr
  • DK62256C - Smoke or Drying Oven. : da en
  • FR892708A - Electric windings and their manufacturing process : en fr
  • GB561428A - Improvements in or relating to power plants for propulsive purposes : en
  • CA420161A - Frying apparatus : en fr
  • CA420200A - Metal article heat treating process : en fr
  • CH232202A - Method for supplying a two-stroke internal combustion engine with control of the exhaust by means of a sleeve and an engine for the implementation of this method. : en fr
  • ES165533A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF ENAMEL PAINTING : en es
  • CA420192A - Key case : en fr
  • CH232076A - Method and device for the recovery of fats from rinsing water. : de en
  • CH232231A - Starting device on electrode salt bath ovens. : de en
  • DE745683C - Process for the preparation of dispersions or emulsions : de en
  • CH232151A - Multi-layer ski. : de en
  • CH232141A - Camera with tension lock. : de en
  • CH232308A - Ultra-short wave tube with built-in resonance circuit. : de en
  • USD137898S - Embroidered trimming or the like : en
  • DE745780C - Device for determining the dust content of a gas flow by means of a probe : de en
  • ES165525A1 - A MECHANICAL PROCEDURE FOR THE PRINTING OF ADVERTISEMENTS, DRAWINGS AND INSCRIPTIONS IN GENERAL, ON THE PAVEMENT OF STREETS AND ROADS : en es
  • ES165555A1 - A RECTIFIER SYSTEM : en es
  • FR892735A - Improvements to combination locks with rotating locking discs around an axis : en fr
  • FR892717A - Preserves milk and its manufacturing process : en fr
  • CH232177A - Device for controlling the micrometric displacement of a machine part. : en fr
  • US2348873A - Adjustable bearing : en
  • US2348981A - Bait retainer for animal traps : en
  • CA420155A - Tire cooker : en fr
  • US2349216A - Footwear : en
  • CA420279A - Gun platform anchoring means : en fr
  • CA420178A - Electric fluid purification : en fr
  • CH232228A - Ultra-short wave tube for low voltage equipped with a cavity resonator as a decoupler. : de en
  • US2349073A - Railway journal box : en
  • CA420276A - Vulcanization process : en fr
  • CA420255A - Container slide closure : en fr
  • AU851943A - Improvements in or relating to machines for pressing shoe soles : en
  • CH232249A - Rotating indicator. : de en
  • US2349048A - Smokeless powder : en
  • CH232251A - Disc brake. : de en
  • CH232277A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • US2349011A - Frequency control for ultra high frequency devices : en
  • CH232170A - Workpiece table on riveting presses. : de en
  • US2349206A - Bag : en
  • ES165559A1 - A PROCEDURE FOR PURIFICATION OF THE MAGNESIUM : en es
  • US2349128A - Can punching device : en
  • US2349078A - Butter cutting device : en
  • CH232140A - Camera. : en fr
  • US2348779A - Patient's lift attachment for beds : en
  • ES165690A1 - A PROCEDURE FOR HARDENING AND WATERPROOFING TEXTILE FIBER OILS AND LEATHER, FABRICS, FABRICS AND ANALOGUE MATERIALS : en es
  • US2349180A - Pipe coupling : en
  • ES164599A1 - IMPROVEMENTS INTRODUCED IN THE SUSPENSIONS OF CROSS-RING ELASTIC SHAFTS, INTENDED FOR VEHICLES AUTOMOVILES : en es
  • US2348750A - Container : en
  • US2348861A - Suction cleaner : en
  • US2349094A - Froth flotation : en
  • US2348996A - Circuit breaker : en
  • US2349164A - Bottom hole intermitter for pumping wells : en
  • US2348763A - Power transmission : en
  • USD137900S - Embroidered trimming or the like : en
  • US2348789A - Listing machine : en
  • US2348710A - Alicyclic esters of alpha-hydroxyisobutyric acids : en
  • US2348825A - Electric lamp : en
  • CH232152A - Track section with uncoupling device. : de en
  • CH232075A - Process for the production of building panels. : de en
  • US2349088A - Carton : en
  • US2349184A - Baling press : en
  • US2349213A - Centrifugal molding of concrete products : en
  • CH232275A - Process for the production of oestradiol. : de en
  • US2348995A - Control device : en
  • US2349139A - Trim panel : en
  • USD137901S - Design for an embroidered trimming or the like : en
  • US2349074A - Sanitary sales tube for dispensing ice-cream cones : en
  • ES165676A1 - IMPROVEMENTS IMPROVED IN THE SETS CONSTITUTED BY A TRACTOR TOWING A DRYING CULTIVATION APPARATUS, ESPECIALLY IN THOSE THAT INCLUDE A TRACTOR TOWING A DOUBLE BRABANT PLOW : en es
  • FR892669A - Corn protectors : en fr
  • CH232221A - Surge arresters. : de en
  • ES165666A3 - BEVELING MACHINE FOR BAND SAW BLADES : en es
  • US2348885A - Precoat filter : en
  • CH232203A - Method for starting a multi-cylinder internal combustion engine, and device for carrying it out. : en fr
  • US2348843A - Journal box closure means : en
  • CH232167A - Method and device for heating substances in rotary kilns. : de en
  • GB561451A - Improvements in or relating to perambulators or baby carriages : en
  • CA420282A - Container closure : en fr
  • DK62245C - Galvanic Element, especially with Air Depolarization. : da en
  • CA420193A - Stationary induction apparatus : en fr
  • CH232088A - Device intended to contain soap or similar detergent product and to be used for washing. : en fr
  • CH232127A - Process for the treatment of raw hides and raw hides. : de en
  • DE745669C - Electric motor for driving electric vehicles : de en
  • US2349104A - Wire-drawing machine : en
  • US2349029A - Priming system for centrifugal pumps : en
  • CA420295A - Corrugated wood sheet manufacture : en fr
  • CH232064A - Masonry made of blocks and clad with panels. : de en
  • US2348765A - Method and machine for winding : en
  • CH232238A - Facility for performing colonic irrigation. : de en
  • CA420168A - Lock nut : en fr
  • CH232159A - Device for mechanical sound recording and reproduction. : de en
  • AU118481B2 - Improvements relating tothe manufacture of margarine and cooking fats : en
  • CA420245A - Magnesium producing apparatus : en fr
  • CH232164A - Waterproof and dustproof watch. : de en
  • AU472642A - Fruit treating machine : en
  • US2348772A - Method of fabricating vinylidene chloride polymers : en
  • CH232101A - Bearing for the printing rollers of fabric printing machines. : de en
  • US2348730A - Visual type radio beacon : en
  • US2349066A - Educational device : en
  • US2349197A - Seal applying machine : en
  • GB561382A - Gain regulating circuits for signal transmission systems : en
  • CH232181A - Slingshot with paring knife basket. : de en
  • DE745703C - Anode with non-conductive spacer pins for electrolytic metal extraction baths : de en
  • ES165505A1 - A PROCEDURE TO PREPARE FOR FREEZING CONCENTRATES OF VEGETABLE JUICES : en es
  • CH232125A - Article covered with a flexible coating, resistant to corrosion, and method of manufacturing this article. : en fr
  • US2348954A - Scaffolding bracket : en
  • US2348888A - Pressure relief system for storage tanks : en
  • US2349137A - Safety valve for tanks : en
  • CH232267A - Embroidery. : de en
  • US2348846A - Purification of sugar juices : en
  • US2349051A - Mixing valve : en
  • US2348737A - Door lock : en
  • US2348944A - Method of making registered duplicate-image multiple color printing plates : en
  • CA420183A - Hydrocarbon oil processing : en fr
  • DE745607C - Compliant single axle hollow shaft drive for vehicles : de en
  • FR892722A - Device for dressing grinding wheel profiles, in particular grinding wheels for threads : en fr
  • US2348787A - Planting mechanism : en
  • US2348916A - Comminuting machine : en
  • US2348746A - Machine for crocheting sheathings about cores : en
  • US2348927A - Dispensing and vending machine : en
  • CH232158A - Slide rule for solving certain technical arithmetic problems. : de en
  • CH232150A - Skis with hard material inserts. : de en
  • USD137897S - Veltheer etal corner display cabinet : en
  • DE745673C - Brush for electrical machines : de en
  • CH232178A - Cross-split jet nozzle for granular material such as sand, cement, etc. like : de en
  • CA420177A - Animal trap : en fr
  • CH232136A - Filter strainer. : en fr
  • GB561400A - Improvements in reinforced concrete construction and in methods of, and apparatus for, their production : en
  • FR892760A - Device for brushing moving screens : en fr
  • ES165504A1 - A PROCEDURE FOR THE ENZYMATIC TREATMENT OF VEGETABLE MUSTS AND JUICES : en es
  • ES165482A1 - A PROCESS OF MANUFACTURING A LIQUOR : en es
  • DE745691C - Control arrangement for photoelectric measuring and testing devices : de en
  • ES165618A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF VARIOMETERS : en es
  • USD137894S - Design for a clothespin : en
  • CA420243A - Magnesium producing apparatus : en fr
  • CH232169A - Method of brazing steel parts. : de en
  • AU692542A - Improvements in or relating to safety belts : en
  • CH232069A - Transportable silo. : en fr
  • ES165626A1 - A TWO-STEM AND SIX CYLINDER COMBUSTION ENGINE WITH A PUMP IN THE CRANKCASE : en es
  • FR892656A - Beam arrangement for looms in particular for making terry cloth : en fr
  • CA420292A - Zein product : en fr
  • CH232271A - Process for the production of a new condensation product. : de en
  • CH232229A - Device for fastening the excitation coils of electromagnets. : de en
  • DK62257C - Dust mask. : da en
  • CH232190A - Plastic seal. : de en
  • US2349036A - Elasticized rubber hydrochloride film : en
  • CH232114A - Process for the preparation of a new derivative of an aminosulfonic acid. : de en
  • CH232283A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • US2348972A - Articulated paintbrush : en
  • CA420228A - Nitrile production : en fr
  • CH232126A - Process for the production of fragrance mixtures. : de en
  • CH232294A - Process for the preparation of a new acidic monoazo dye. : de en
  • CH232175A - Two-roll crusher. : de en
  • US2348798A - Strand handling apparatus : en
  • US2348869A - Vehicle landing gear : en
  • CA420250A - Hosiery manufacture : en fr
  • GB561383A - Improvements in tipping or tilting mechanism for vehicle bodies : en
  • US2348886A - Black-out port ventilator : en
  • US2348777A - Escape boat for submarines : en
  • DK62254C - Means for Combating Rodents. : da en
  • US2348745A - Treatment of hydrocarbons : en
  • US2349111A - Method of making flexible bags : en
  • US2349189A - Blade holding block for boring bars : en
  • US2348980A - Transmission : en
  • US2349212A - Dicing machine : en
  • CA420219A - Riboflavin production : en fr
  • ES165195A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 142787 : en es
  • GB561369A - Improvements in and relating to composite building units for constructing walls and roofs : en
  • GB561417A - Positive grip and release type of pop-riveting tool : en
  • FR892752A - Artificial tooth : en fr
  • GB561294A - Improvements in detergent compositions and methods of producing the same : en
  • ES165509A1 - A PROCESS FOR MANUFACTURING AN INSULATED BITUMINOUS PASTA : en es
  • GB561379A - Improvements in or relating to the centrifugal moulding of concrete products : en
  • NL56293C - Menstrual tampon : en nl
  • CH232107A - Method for the automatic regulation of liquid concentration devices. : de en
  • ES164787A1 - IMPROVEMENTS INTRODUCED IN THE DRUM MILLS, WITH SEPARATION BY AIR OR GAS CURRENT : en es
  • FR892790A - Slicing machine, including a reciprocating trolley : en fr
  • US2348909A - Data tab : en
  • US2349042A - Headlight regulator : en
  • NL56450C - : en
  • GB561436A - Improvements in electrically heated pads : en
  • GB561442A - Improvements relating to electric accumulators : en
  • US2349133A - Circular saw device : en
  • ES165699A1 - IMPROVEMENTS INTRODUCED IN THE GASOGENS, AND ESPECIALLY IN THE GASOGENS INTENDED FOR CAR VEHICLES : en es
  • ES165632A1 - A NEW PROCEDURE FOR THE DRIVING OF GASES AND HOT FUMES OF COMBUSTION, IN ORDER TO MAXIMIZE THE MAXIMUM HEAT THEREOF : en es
  • ES165656A1 - PROCEDURE FOR THE PREPARATION OF AROMATIC ACILSULFONAMIDES : en es
  • ES165658A1 - A SPEED DRIVER FOR CONCENTRIC DENTED WHEELS AND SATELLITES ON ADJUSTABLE HYDRAULIC DRIVE CROWN : en es
  • US2349130A - Road surfacing machine : en
  • FR892616A - Coated welding wires : en fr
  • GB561297A - Improvements in and relating to mountings for gyroscope rotors : en
  • US2349195A - Metal door construction : en
  • US2349024A - Stuffing box seal : en
  • GB561377A - Improvements in or relating to valves : en
  • US2349063A - Means for applying circulars and their equivalent to articles : en
  • FR892631A - Generator b. f. allowing observation of the response curve, with frequency modulator : en fr
  • US2349087A - Work clamp : en
  • US2348776A - Shower head : en
  • US2349026A - Photographic developing and washing apparatus : en
  • US2348929A - Method and apparatus for applying radium-luminescent material : en
  • USD137925S - Design tor an embroidered trimming : en
  • CH232145A - Light-sensitive colloid layer for the production of tanning images. : de en
  • ES165593A1 - A SIGNAL RECEIVER : en es
  • US2348738A - Making hollow thermoplastic ware : en
  • FR892721A - Keyway guide, especially for removable devices clamped onto small machine tools : en fr
  • FR892765A - Process for enhancing the relief printing of plastic images : en fr
  • CA420272A - Reflective optical system : en fr
  • US2348838A - Window system for motor vehicles : en
  • US2349120A - Monorail control system : en
  • ES165573A2 - IMPROVEMENTS IN THE MANUFACTURE OF ZIPPER CLOSURES : en es
  • CA420211A - Single-pole protective relaying system : en fr
  • DE745554C - Cutting edge formation of massive caissons : de en
  • DE745910C - Procedure for decanting milk acid preparations : de en
  • US2349187A - Vibration dampener : en
  • US2348751A - Treatment for polyamides : en
  • GB561355A - Improvements connected with electric lighting fittings : en
  • ES165639A1 - A CLUTCH OR FRICTION BLOCKING ACTUATING ON BOTH SIDES : en es
  • USD137895S - Design for a heelplate tor boots and shoes : en
  • CA420164A - Waste liquor dehydrating process : en fr
  • CA420256A - Container slide closure : en fr
  • CH232070A - Stove. : de en
  • CH232157A - Tube voltmeter. : de en
  • ES163948A1 - A PROCEDURE, WITH THE CORRESPONDING DEVICE, FOR THE AUTOMATIC RECEPTION OF TELEPHONE CONVERSATIONS : en es
  • US2349093A - Match package : en
  • US2349125A - Electromechanical vibrator system : en
  • FR892680A - Safety valve with torsion bar forming a spring : en fr
  • GB561334A - Production of an enzyme substance and lecithin from animal glands : en
  • US2348811A - Tire carrier : en
  • US2348854A - Method and means for purifying sewage and the like : en
  • US2349168A - Metalworking machine : en
  • GB561312A - Improvements in the manufacture of electric insulated wires and cables : en
  • GB561389A - Improvements relating to the stabilisation of a direct current voltage : en
  • GB561375A - Improvements in or relating to optical objectives : en
  • US2349043A - Drier : en
  • ES165516A1 - IMPROVEMENTS IN THE MECHANISM FOR THE CHANGE OF SPEED OF THE PLATE PORTA-DISCOS OF THE PARKING MACHINES : en es
  • GB561325A - Absorption refrigerating apparatus : en
  • GB561352A - Spindle driving apparatus for spinning and twisting machines : en
  • ES165506A1 - A DEVICE FOR ILLUMINATING HOLLOW BODIES : en es
  • ES165616A1 - A PROCEDURE FOR THE MANUFACTURE OF PLATES OF MADE OF PLASTIC OR PLASTIC MATERIALS, ESPECIALLY THERMOPLASTIC, BY EXPULSION AND DEVICE FOR THEIR EXECUTION : en es
  • FR892749A - Diaphragm control device for x-ray machine : en fr
  • GB561354A - Improvements in candlesticks or candelabra : en
  • FR892797A - machine bench for finishing bench : en fr
  • ES165561A1 - IMPROVEMENTS IN THE DEVICES FOR THE CONNECTION OF ELECTRICAL CONDUCTORS : en es
  • ES165684A1 - OCHAVAS MACHINE OR FOR THE MANUFACTURE OF THE BRIDGE IN WOODEN SOLE : en es
  • CH232286A - Process for the production of a condensation product. : de en
  • CH232156A - Tube voltmeter. : de en
  • GB561391A - Improvements in or relating to apparatus for delivering articles : en
  • GB561435A - Turbines : en
  • GB561403A - Improvements in or relating to the manufacture of acrolein oxime and acrylonitrile : en
  • ES165630A1 - A PROCEDURE FOR THE MANUFACTURE OF MAGNESIA ELECTROFUNDIDA EXTREMADAMENTE PURA : en es
  • ES165543A1 - A PROCEDURE FOR THE CONTINUOUS PRESSING OF METALS, ESPECIALLY LIGHT METALS : en es
  • DE745781C - Laboratory equipment for the continuous implementation of high pressure reactions : de en
  • FR892736A - Process for obtaining a glass insulator for incandescent candles and spark plugs : en fr
  • ES165557A1 - A NEW PIROMETER SYSTEM : en es
  • FR892711A - Sliding core choke coil : en fr
  • DE745612C - Method for the selective screening or blocking of a broad sub-band in a frequency band : de en
  • GB561394A - Improvements in contacts for electric circuit breakers : en
  • FR892671A - Semi-automatic switches for controlling an electric iron circuit : en fr
  • ES163910A1 - DEVICE FOR THE OPERATION OF THE KNITTING OR TRICOTING MECHANISM CONSTITUTED BY THE SO-CALLED CUTTONS OF THE TRICOTAJE OF THE COTTON RECTIFIED MACHINES : en es
  • ES164463A1 - IMPROVEMENTS INTRODUCED IN THE IGNITION DEVICES AND ESPECIALLY IN THE INJECTION EXPLOSION ENGINES : en es
  • US2348905A - Method of and apparatus for shaping glass : en
  • US2349170A - Sealing device : en
  • FR892609A - Wheel train with hollow axle and hollow rockets : en fr
  • US2348863A - Mophead : en
  • US2348893A - Brake : en
  • US2349100A - Final drive casing brace : en
  • FR892713A - Oils for metal processing : en fr
  • US2348716A - Change-speed gearing for aircraft propellers : en
  • FR892684A - New gluing process : en fr
  • FR892776A - Improvements in methods of determining the location of points or places on maps, city maps, plans and the like : en fr
  • USD137914S - Design for a combined cutter and ejector for biscuits, cookies, or the like : en
  • DE745714C - Projectile used for drilling through the casing lining the inner walls of boreholes : de en
  • US2348891A - Clutch control mechanism : en
  • ES165539A3 - A MACHINE TO COLLECT MESH POINTS, PROVIDED WITH CONTROL ELEMENTS FOR ITS OPERATION IN ALL CASES : en es
  • GB561318A - Improvements in or relating to measuring taps : en
  • GB561335A - Friction clutch actuating mechanism : en
  • US2348953A - Control system for record playing or like devices : en
  • FR892775A - Device for obtaining low amplitude movements in the machining of parts on machine tools : en fr
  • GB561303A - Improved screening device for spark plugs : en
  • ES165642A3 - A PROCEDURE FOR THE MANUFACTURE OF INKS FOR PRINTING BY THE HOLLOW-ENGRAVING SYSTEM : en es
  • CH232099A - Process for increasing the wetting ability of textile treatment solutions. : de en
  • ES165522A1 - A PROCEDURE FOR THE MANUFACTURE OF THE HANDLES SUPPORTS OR HANDLES OF THE RUBBER STAMPS : en es
  • FR892740A - Compensation method for self-capacitance and relative coil capacitance : en fr
  • CA420196A - Electric lamp cooling apparatus : en fr
  • DE745772C - Sand molding machine for foundries : de en
  • FR892640A - Lady's bicycle frame or similar with special reinforced triangulation, with maximum transverse underpass and lowered : en fr
  • GB561323A - Arrangements for the frequency modulation of a high-frequency oscillation : en
  • ES165652A1 - IMPROVEMENTS IN THE CONSTRUCTION OF JOINTS OF RAIL JOINTS TO STEM : en es
  • FR892777A - High frequency coaxial power line : en fr
  • FR892665A - Static device measuring torques, the power of a motor unit and automatic speed adjustment : en fr
  • CA420254A - Catalyst dewaxing method : en fr
  • CH232108A - Filtration apparatus for separating fiber material from a treatment liquid. : de en
  • US2349077A - Fishing pole : en
  • US2349153A - Method of producing flocked sheet material : en
  • GB561440A - Improvements in canisters, boxes and like containers : en
  • US2349163A - Mechanism for coloring address plates : en
  • US2348848A - Speed drive for fast running machines, especially for cycle dynamo machines : en
  • US2349083A - Electrolytic process for coating aluminum and aluminum alloys : en
  • US2348735A - Method of and material for producing corrected photographic images : en
  • CH232100A - Dyeing machine. : de en
  • US2348807A - Filler for quilts and the like : en
  • US2349209A - Control device : en
  • US2348961A - Clamping means : en
  • US2348742A - Magnesium control in manganese electrowinning : en
  • US2349214A - Coin operated device : en
  • US2348906A - Chain ladder : en
  • CA420220A - Container closure : en fr
  • AU118474B2 - Improvements in or relating to electric signalling systems : en
  • CA420227A - Headlight : en fr
  • CH232279A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • AU118487B2 - Improvements in or relating to a table game and apparatus and appurtenances therefor : en
  • US2349002A - Process of evaporating liquids and apparatus for carrying out the same : en
  • CA420293A - Firearm : en fr
  • CH232148A - Machine for closing envelopes. : en fr
  • DE731035C - Device for lifting and inserting the soil cultivation tools on plows, cultivators and similar soil cultivation devices : de en
  • FR892747A - Single blade milling head : en fr
  • CA420223A - Portable blowpipe machine : en fr
  • USD137927S - Design for an apron : en
  • FR892772A - Three-phase current transformer with mechanical contacts : en fr
  • US2348827A - Valve construction : en
  • USD137919S - Liturgical fabric or similar article : en
  • CA420159A - Hydraulic remote control apparatus : en fr
  • DE745660C - Process for desalination of fuels : de en
  • DE745641C - Method and device for the production of mirrors for weapons robe u. like : de en
  • DE745872C - Inner rail for tubular bones : de en
  • CA420238A - Prolamine composition : en fr
  • NL56238C - : en
  • FR892692A - Additional and safety brake for motor vehicles and the like : en fr
  • FR892728A - Induction melting furnace, low frequency : en fr
  • CH232122A - Process for the production of a leuco sulfuric acid ester. : de en
  • US2348725A - Molded fiber article : en
  • DK62244C - Device for mains-connected Radio receivers with Push-button selectors. : da en
  • BE455869A - : en
  • US2348797A - Crown cap selecting machine : en
  • US2348919A - Method of making shielded spark plug connectors : en
  • US2349205A - Machine for manufacturing lids for multiple boxes : en
  • US2349191A - Manufacture of sulphur derivatives of organic compounds : en
  • CA420287A - Shipping container : en fr
  • US2348964A - Shopping bag : en
  • CA420291A - Metal tube casting apparatus : en fr
  • ES165493A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BOILERS FOR EXPRESS COFFEE MACHINES : en es
  • ES165521A1 - AN ELECTRIC LOCK, POWERED BY PUSH BUTTONS : en es
  • CH232079A - Closure on ventilation wings. : de en
  • CH232296A - Process for the production of a new azo dye. : de en
  • CA420244A - Magnesium producing apparatus : en fr
  • CA420249A - Optical projection apparatus : en fr
  • DE745592C - Device for measuring accelerations : de en
  • US2349068A - Shoe press : en
  • USD137903S - Design for a doll ob similar : en
  • USD137933S - Design for a cigarette holder : en
  • DE745599C - Device for focusing the lens in photographic apparatus with a focal plane shutter or the like. : de en
  • CA420222A - Knitted wear : en fr
  • DE745539C - Arrangement on DC tachometer machines, the terminal voltage of which has to control a regulation process depending on the speed of the machine : de en
  • CH232280A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • US2348852A - Electron tube : en
  • US2348881A - Method of and apparatus for the : en
  • US2349007A - Manufacture of acetylene : en
  • US2348743A - Self-conforming tractor jack : en
  • US2348872A - Gas-operated automatic firearm : en
  • US2348920A - Apparatus for assembling structures : en
  • US2349020A - Carton : en
  • US2349154A - Coaxial cable loop antenna : en
  • US2348973A - Spindle control mechanism : en
  • US2348997A - Damming attachment for listers and lister seeders : en
  • CH232118A - Process for the removal of phenol-like substances from aromatic halogenated hydrocarbons. : de en
  • DK62253C - Automatic supply device at threshing mills. : da en
  • ES165607A1 - IMPROVEMENTS INTRODUCED IN MECHANICAL SHAVING MACHINES : en es
  • CH232077A - Key for opening bolt locks. : de en
  • GB561344A - Improvements in and relating to synthetic linear polyamide filaments, threads and the like : en
  • DE745591C - Speedometer : de en
  • ES160961A2 - IMPROVEMENTS MADE IN THE PURPOSE OF MAIN PATENT NUMBER 152828 : en es
  • GB561311A - Improvements in or relating to auxiliary governor controls : en
  • ES165667A1 - IMPROVEMENTS INTRODUCED IN GASOGENS : en es
  • FR892759A - Ocular : en fr
  • GB561416A - Improvements in methods of cooling pickling tanks : en
  • FR892782A - Manufacturing process of soft iron castings using a powder composed of spherical elements : en fr
  • US2348720A - Adjustable broiler grid holding rack : en
  • US2349101A - Gunfire control : en
  • ES165562A3 - IMPROVEMENTS IN THE CONSTRUCTION OF DYNAMOS-ALTERNATORS FOR BICYCLES, MOTORCYCLES AND SIMILAR VEHICLES : en es
  • FR892605A - Device for adjusting the combustion air during the start of internal combustion engines operating on the principle of diesel gas engines : en fr
  • ES165544A1 - A PROCEDURE TO PREPARE PRE-REDUCED CARBON AND MINERAL MIXTURES : en es
  • FR892737A - Glowing metal wire candle and its preparation process : en fr
  • GB561298A - Improvements in and relating to suspensions for the rear wheels of motor cycles and like vehicles : en
  • US2348874A - Oilhole drill : en
  • FR892719A - Process for the permanent waving of hair and improved heating clips for the application of said process : en fr
  • GB561424A - Improvements in or relating to devices for reducing torsional oscillations of crankshafts : en
  • FR892693A - Device for capturing electromagnetic forces of nature : en fr
  • US2349039A - Solvent dewaxing of mineral oils : en
  • ES165420A1 - A OVEN FOR THE PRODUCTION OF MAGNESIUM OR OTHER METALS OF VOLATILE NATURE : en es
  • FR892744A - Process for improving the resistance properties of rayon and artificial schappe or fibranne to viscose : en fr
  • US2348955A - Door latch mechanism : en
  • US2348982A - Snap switch : en
  • USD137924S - Design for a woman s pants : en
  • ES165682A1 - MACHINE FOR THE FORMATION OF FENCES OR CUTTERS IN WOOD, APPLICABLE PREFERABLY TO THE MANUFACTURE OF WOODEN SOLE : en es
  • FR892725A - Shoe with removable and interchangeable metal parts : en fr
  • GB561317A - A new or improved clutch : en
  • US2349193A - Furniture slip cover : en
  • ES165675A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF VARIABLE CONDENSERS : en es
  • AU917843A - Improvements in or relating to a table game and apparatus and appurtenances therefor : en
  • CH232242A - Translation device on a telex receiver with the setting of selector members scanning the search latch. : de en
  • US2348773A - Protective sheath for surgical and medical use : en
  • ES165700A1 - IMPROVEMENTS INTRODUCED IN GAS BURNERS FOR INDUSTRIAL OVENS : en es
  • DE745677C - Ring wrapping machine : de en
  • FR892761A - Process for making leather and its substitutes more resistant to wet conditions : en fr
  • US2348960A - Internally expanding brake : en
  • US2349172A - Adjustable bedframe : en
  • USRE22479E - Blast furnace cinder notch stopper : en
  • FR892635A - Front suspension for bicycle, tandem, moped : en fr
  • GB561299A - Improvements in and relating to the removal of carbonaceous deposits from articles : en
  • DE745667C - Process for the separation of difficult-to-condense gas mixtures : de en
  • CH232172A - Wood circular saw. : de en
  • FR892791A - Combined headlight and handlebar mounting for cycles and motorcycles : en fr
  • GB561422A - Feeding means for typewriting or the like machines : en
  • US2348948A - Armature for dynamoelectric machines : en
  • USD137938S - Maycen airplane : en
  • CH232105A - Shoe with a sewn-through outsole and method of making the same. : de en
  • CA420270A - Zeolitic material : en fr
  • CH232078A - Mortise lock for room doors. : de en
  • GB561353A - Improvements relating to portable shop counters, counter cases, show cases and otherarticles of furniture : en
  • USD137916S - Design for a knife : en
  • US2348908A - Method of making multiple toolholders : en
  • US2349062A - Method and apparatus for graveling wells : en
  • US2348740A - Diaphragm and method of forming same : en
  • FR892628A - Method and device for producing gas from calcium carbide : en fr
  • ES163945A1 - A PROCEDURE FOR THE MANUFACTURE OF AN ALLOY PRODUCT CONTAINING VANADIO, FOR STEEL AND METAL BATHROOMS : en es
  • FR892795A - Adjustment mechanism for steerable propellers : en fr
  • GB561418A - Improvements in apparatus for drying grain : en
  • US2349102A - Lighting fixture construction : en
  • US2348813A - Apparatus for extracting fibers from fibrous husks : en
  • US2348829A - Manufacture of heat insulation structures : en
  • CA420281A - Manifolding assembly : en fr
  • CH232206A - Process for the production of pistons for internal combustion engines. : de en
  • US2348766A - Automatic record playing and changing apparatus : en
  • GB561373A - Improvements in and relating to the manufacture of films : en
  • CH232250A - Road vehicle, in particular for coupling to motor vehicles. : de en
  • GB561448A - Improvements in or relating to methods of making explosive projectile shells : en
  • FR892767A - Packaging closure process : en fr
  • FR892645A - Waterproof coat combined with protective leggings : en fr
  • CH232109A - Process for the preparation of an abrasive carbon. : en fr
  • ES165569A1 - A NEW MACHINE TO ADD : en es
  • FR892788A - temperature exchanger obtained by flat pressing of finned tubes : en fr
  • ES160287A1 - A PROCEDURE FOR OBTAINING AN OXIDIZING AGENT : en es
  • GB561431A - Improvements in or relating to internal combustion engines of the horizontal type : en
  • US2349218A - Headband for welders' helmets : en
  • FR892639A - Improvements in band brakes for beams of looms : en fr
  • US2349001A - Degreasing apparatus : en
  • US2348925A - Liquid filter : en
  • US2349109A - Auto safety belt : en
  • CH232211A - Spring motor. : en fr
  • CA420179A - Mercurated aliphatic nitrile production : en fr
  • US2348991A - Glue applying device in gluing machines : en
  • CH232287A - Process for the production of a condensation product. : de en
  • CH232139A - Inking machine for ribbons. : de en
  • US2348749A - Apparatus for filling capsules : en
  • US2348785A - Fly ash collector : en
  • US2348915A - Jig or fixture for electroplating : en
  • US2348818A - Projection of images : en
  • US2348842A - Antioxidant : en
  • CH232298A - Process for the production of a vat dye. : de en
  • CA420217A - Nut blank working machine : en fr
  • CH232304A - Internally cooled turbine blade. : de en
  • FR892709A - Waterproof cable entry device : en fr
  • AU118494B2 - Composition and process for waterproofing and rotproofing textiles andthe like : en
  • FR892723A - Autoclave for concentrating liquids, especially high boiling acids such as sulfuric acid : en fr
  • CH232284A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • FR892718A - Switch for electrical installations, in particular on board automobiles : en fr
  • ES165040A1 - A ROTATING OVEN WITH REFRIGERATOR : en es
  • FR892707A - Electric headlamp protection device : en fr
  • ES165421A1 - A PROCEDURE FOR MAGNESIUM RECOVERY : en es
  • US2349064A - Transmission mechanism : en
  • USD137911S - Design for a bicycle chain guard : en
  • ES165572A1 - A PROCEDURE FOR MANUFACTURING LANES FOR SLIDING DOORS AND SIMILAR USES : en es
  • FR892625A - Dual construction woven and bonded ligature to replace fishing rod ferrules : en fr
  • DK62249C - Method for Preparing Water-in-Oil Emulsions. : da en
  • US2348718A - Shuttle case bearing : en
  • DE745653C - Handheld vacuum cleaner : de en
  • GB561301A - Improvements in or relating to internal shoe drum brakes : en
  • GB561392A - Improvements in or relating to the production of gypsum from anhydrite : en
  • ES165196A1 - ELECTROAUTOMATIC FROZEN MACHINE : en es
  • CA420176A - Container glass screw cap : en fr
  • CA420202A - Excitation circuit for electric valve apparatus : en fr
  • ES164739A1 - PROCEDURE TO WORK LATER ON THE PARTS OF THE HEEL IN A PIECE OF THE FOOT AND OF THE ROD WORKED FOLLOWING FOR THE MANUFACTURE OF FRENCH HEELS IN THE COTTON RECTIFIED MACHINE : en es
  • GB561443A - Improvements relating to gas carburetters for use with internal combustion engines : en
  • FR892612A - Disinfection agent : en fr
  • GB561387A - Improvements connected with mouse, rat or like traps : en
  • FR892659A - Device for measuring low-value DC electrical voltages : en fr
  • ES165526A1 - IMPROVEMENTS INTRODUCED IN THE MANIPULATORS FOR THE REMOTE CONTROL OF APPLIANCES FOR THE REGULATION OF THE LUMINOUS INTENSITY : en es
  • DE745763C - Process for the production of a warp knitted fabric interspersed with rubber warp threads : de en
  • FR892738A - Manufacturing process of conveyor belts : en fr
  • GB561361A - Improvements in counting or computing apparatus associated with weighing mechanism : en
  • GB561367A - Improvements in magneto electric machines : en
  • US2348866A - Explosive cartridge : en
  • ES165368A1 - IMPROVEMENTS INTRODUCED IN FREQUENCY RADIO SELECTORS : en es
  • GB561412A - Improvements in or relating to turret or capstan lathes : en
  • DE745723C - Device for partial hardening of steel needles or similar rod-shaped bodies : de en
  • DK62260C - Procedure for the manufacture of containers of galvanized steel or iron plate. : da en
  • CH232173A - Process for the manufacture of leather-like products. : de en
  • CH232259A - Motor bogie on electrically operated rail vehicles. : de en
  • US2348878A - Center locating device : en
  • US2348894A - Process and treating bath for the production of colored photographic pictures : en
  • ES165625A1 - A PROVISION TO MEASURE THE RELATION OF WAVES IN A DOUBLE LINE OR CONDUCTOR FOR SHORT ELECTRIC WAVES : en es
  • CH232302A - Device for controlling the image of a reflex photographic or cinematographic camera. : en fr
  • CH232083A - Device on motor vehicles with cross-flow gas generators to facilitate the re-ignition of the same. : de en
  • ES165035A1 - IMPROVEMENTS INTRODUCED IN THE CARS OF CHILDREN : en es
  • ES163983A1 - A PROCEDURE FOR THE PRECIPITATION OF VANADIC ACID OF BLEACHES OF SODIUM VANADIUM : en es
  • GB561366A - Improvements in and relating to deaerators for boiler feed water or water for other plant : en
  • DE745553C - Tunnel furnace with combustion chambers arranged to the side of the heating space along the sides of the heating zone : de en
  • FR892649A - Variable speed drive combined with the action of a differential : en fr
  • ES165566A3 - IMPROVEMENTS IN ANTI-ACID BYPASS VALVES : en es
  • FR892644A - Pump and compression bell assembly device for agricultural sprayer : en fr
  • GB561307A - Reproducing sound by means of a modulated fluid stream : en
  • FR892633A - Improvements to fork derailleurs for gear changes of bicycles, tandems or the like : en fr
  • FR892668A - Cutting mandrel for wire working machines and in particular spring winding machines : en fr
  • US2349117A - Convertible coal and oil burner : en
  • CH232116A - Process for the production of furfural. : de en
  • CH232154A - Micrometer. : en fr
  • US2349215A - Vacuum cleaner : en
  • AU118470B2 - Fruit treating machine : en
  • CH232106A - Process for producing a film coating on the inner wall of molds used in the production of chocolate cores, e.g. B. made of metal or synthetic resin compound. : de en
  • US2348939A - Shaft seal : en
  • US2349160A - Process for converting hydrocarbons : en
  • DE745736C - Device for self-sellers for electricity, gas, water or the like to collect a consumption-independent fee (e.g. basic fee) : de en
  • CH232233A - Socket for electric bulb. : en fr
  • US2348937A - Shower door : en
  • ES161696A1 - PROCEDURE FOR OBTAINING SOLUBLE ALKALINE SALTS IN WATER FROM CARBOXYLIC ETHER CELLULOSE ACIDS : en es
  • CA420235A - Isocyanic acid ester and product : en fr
  • US2348713A - Combined outsole and heel lift : en
  • CH232239A - Liquid fire extinguisher, the air space of which is connected to the outside air through an opening in the waiting state. : de en
  • CA420262A - Inertia controlled shock absorber : en fr
  • US2348717A - Quiet-ratcheting jaw clutch : en
  • US2348862A - Registration control apparatus : en
  • US2348841A - Racing arena and photographing apparatus : en
  • US2349203A - Internal-combustion engine : en
  • USD137930S - Design for a head for a lawn mower : en
  • US2349072A - Candle follower : en
  • FR892726A - Relay coupling arrangement : en fr
  • GB561300A - Improvements in or connected with tooth brushes : en
  • CA420171A - Container and parts : en fr
  • CH232265A - Process for the production of covering panels. : de en
  • CH232244A - AC signal receiving device. : de en
  • GB561388A - An improved weighing device : en
  • AU118495B2 - Improvements relating to pumps for use with hydraulic rams : en
  • US2348875A - Punch and die : en
  • US2349126A - Thermostatic element : en
  • CA420263A - Abrasive article : en fr
  • US2349030A - Universal joint : en
  • US2348791A - Carbonator : en
  • ES165586A1 - A DEVICE FOR THE PRODUCTION OF STEAM WITH HIGH THERMAL PERFORMANCE, ESPECIALLY FOR THE OPERATION OF STEAM TURBINES : en es
  • US2348726A - Separation of xylene from hydrocarbon mixtures : en
  • CH232092A - Cabinet. : de en
  • FR892619A - Improvements made to laminated electrical resistances : en fr
  • FR892695A - Tillage inverter : en fr
  • GB561437A - Improvements in the heels of shoes and like articles of footwear : en
  • CA420246A - Scraper : en fr
  • US2349115A - Filter blank : en
  • US2348892A - Safety razor : en
  • ES165711A1 - PROCEDURE FOR MANUFACTURING ALIPHATIC DIÁCIDES : en es
  • US2348711A - Recording system : en
  • US2349176A - Machine for extruding and blowing plastics : en
  • ES165621A3 - IMPROVEMENTS IN MIXING OR ROLLING ROLLERS : en es
  • US2349143A - Heat exchanger : en
  • US2348910A - Carrying scraper : en
  • CA420204A - Titanium compound hydrolyzing process : en fr
  • US2349000A - Degreaser with two sumps : en
  • CH232065A - Process for the production of compressed wood art panels. : de en
  • CH232171A - Method and installation of hardening of steel parts. : en fr
  • CH232247A - Frequency-modulated decimeter wave transmitter by means of a push-pull reactance tube. : de en
  • US2348931A - Process for the treatment of hydrocarbons : en
  • US2348959A - Well pump : en
  • US2349058A - Lubricant and the method of preparing the same : en
  • US2349174A - Oil cleaner : en
  • US2348824A - Stop motion attachment for looms : en
  • FR892768A - Waterproof folding box open at the top : en fr
  • ES164318A1 - IMPROVEMENTS INTRODUCED IN THE PRESS FILTERS : en es
  • GB561452A - Improvements relating to carriage bolts : en
  • GB561310A - Self-locking nut and method of making same : en
  • US2348804A - Method of manufacturing asbestoscement shingles or the like : en
  • ES165670A1 - VIBRATING DEVICE FOR THE TEACHING OF RADIOTELEGRAPHY : en es
  • FR892746A - Locking device for hydraulic control cylinders : en fr
  • CH232196A - Coupling between a driving and a driven part of a friction gear. : de en
  • DE745577C - Method and device for enclosing easily oxidizable metals in metal tubes : de en
  • ES165524A1 - IMPROVEMENTS IN INDIVISIBLE HINGES OF THE LAMINATED SYSTEMS BETWEEN YES : en es
  • ES165547A1 - A DEVICE FOR WORKING SHIRTS FOR CYLINDERS : en es
  • DE742011C - Device for casting foils : de en
  • US2349003A - Fixture support : en
  • ES160581A1 - IMPROVEMENTS INTRODUCED IN WATCH MECHANISMS : en es
  • US2349232A - Manufacture of alicyclic compounds : en
  • DE745655C - Drawer self-seller for the issue of sections (cards, stamps, etc.) of a roll tape : de en
  • DK62246C - Coupling by a DC motor with two opposing magnetic windings. : da en
  • FR892626A - Belt-support : en fr
  • GB561399A - Improvements in or relating to liquid-flow control-apparatus : en
  • GB561407A - Improvements in or relating to alloys particularly used for the production of alloy steels : en
  • US2348808A - Electric propulsion mechanism : en
  • FR892763A - Starter claw coupling : en fr
  • US2348708A - Production of drying oils : en
  • ES162882A1 - A PROCEDURE, WITH THE CORRESPONDING APPARATUS, TO MANUFACTURE WAXED TAPES FOR SOUND MECHANICAL RECORDS : en es
  • US2349009A - Submarine : en
  • US2349022A - Laminated gear pump : en
  • US2349046A - Method of and apparatus for forming and finishing hollow glass bodies : en
  • USD137934S - Design for a dress : en
  • ES165214A1 - PHYSICAL-CHEMICAL-MECHANICAL PROCEDURE FOR THE OBTAINING OF A FOOD AND REFRESHING PRODUCT WHOSE BASIC ELEMENT IS THE CHUFA : en es
  • US2348898A - Manufacture of heat insulation material : en
  • ES161907A1 - PROCEDURE FOR PAPER LINKING : en es
  • ES162421A1 - A PROCEDURE TO PREPARE RYE TO OBTAIN STARCH AND GLUTEN : en es
  • FR892648A - Improvements to certain internal combustion heat engines : en fr
  • CH232274A - Process for the preparation of a compound of the cyclopentanopolyhydro-phenanthrene series. : de en
  • US2348951A - Control mechanism : en
  • US2349211A - Alkylation process : en
  • DK62250C - Burner, especially for heavy Oils. : da en
  • ES165644A1 - IMPROVEMENTS IN CROSSING COUPLINGS FOR DISTRIBUTING FACILITIES OF CROSS BARS : en es
  • CA420237A - Resinous composition : en fr
  • FR892674A - New elastic base : en fr
  • FR892742A - Relay with movable and in particular elastic tongue : en fr
  • US2348817A - Board finish apparatus : en
  • US2348849A - Cast iron and its manufacture : en
  • USD137908S - Design for a soap holder : en
  • CH232180A - Process for drying peat and equipment for carrying out the process. : de en
  • FR892657A - Further training in the assembly and training of selvedge devices for shuttle-less looms : en fr
  • GB561309A - Machine for operating on standard nut blanks : en
  • GB561411A - Combined non-return valve and piston rod packing gland for inflators or pumps : en
  • CH232264A - Electric point heating. : de en
  • US2348999A - Photographic enlarging easel : en
  • US2349106A - Shoe polishing apparatus : en
  • US2349157A - Internal-combustion engine : en
  • US2348732A - Method and means for indicating the viscosity of flowing fluids : en
  • US2348922A - System for indicating unbalance of cyclically moving bodies : en
  • US2348786A - Pipe feeding apparatus : en
  • US2348913A - Car construction : en
  • US2349060A - Preparation of 4-pyridine sulphonamides and related compounds : en
  • US2349217A - Match strip cigarette package wrapper : en
  • CH232063A - Process for the preparation of antiparasitic porridge. : en fr
  • FR892670A - Manufacturing process and device for mounting elements of reduced dimensions to constitute the soles of economical and replacement shoes : en fr
  • GB561390A - Improvements in or relating to method of and apparatus for delivering sheets and like flat articles : en
  • DE743533C - Photographic sound recordings : de en
  • CA420195A - Electric discharge device temperature regulating system : en fr
  • ES165490A1 - A NEW ACCUMULATION SYSTEM FOR COMPRESSED GASES FOR BETTER PERFORMANCE AND ECONOMY OF FUELS IN GASOGENIC VEHICLES : en es
  • ES165574A1 - A FREQUENCY CHANGER ASSEMBLY : en es
  • US2349166A - Voltage regulator : en
  • US2348767A - Gas fired apparatus : en
  • US2348851A - Liquid spraying apparatus : en
  • US2348975A - Cable clamp : en
  • US2348806A - Sewage sampler : en
  • ES163860A1 - A PROCEDURE TO GASIFY COMBUSTIBLES IN WELL OVEN : en es
  • CA420239A - Thermal magnesium production : en fr
  • CH232085A - Installation for supplying an engine and comprising at least one acetylene generator. : en fr
  • CH232121A - Process for the production of a urea derivative. : de en
  • ES165596A1 - A DEVICE FOR PERFECTING THE OPERATION OF THE THERMAL APPLIANCES : en es
  • FR892604A - Device for converting relatively low frequency sawtooth electrical voltage to sawtooth current : en fr
  • GB561430A - A machine for treating black plate sheets or blanks to prepare them for uniting margins of each blank or sheet by soldering or welding : en
  • ES165702A1 - IMPROVEMENTS IN THE MANUFACTURE OF HAND PRESSES FOR COLORS : en es
  • CH232278A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • AU831243A - Improvements in and relating to tunable high frequency selector arrangements : en
  • US2348714A - Apparatus for coating pipe : en
  • US2349155A - Flat disk valve : en
  • CH232117A - Process for the preparation of carbonyl compounds by the dehydrogenation of primary or secondary alcohols. : de en
  • CA420259A - Metal coated plastic material : en fr
  • CH232137A - Device for softening boiler water in a closed circuit and removing the sludge in a closed circuit. : de en
  • CA420288A - Garment case : en fr
  • CH232261A - Heatable grooved rail switch. : de en
  • CA420201A - Summation meter : en fr
  • US2349140A - Trim panel : en
  • US2349177A - Method of and apparatus for making blown plastic articles : en
  • CH232161A - Frame for glasses. : en fr
  • US2349071A - Method of and apparatus for producing images by television in stereoscopic relief : en
  • ES165537A3 - A SUPPORT SYSTEM WITH ADJUSTABLE CIRCULAR GAME AROUND YOU : en es
  • ES165609A2 - IMPROVEMENTS MADE IN THE PURPOSE OF THE PATENT NUMBER 151834 AND WHOSE FILE REFERS TO THE STEERING SYSTEM APPLICABLE TO BICYCLES AND MOTORCYCLES : en es
  • ES165673A1 - A PROCEDURE TO PRODUCE AN ALKALINE METAL CYANIDE : en es
  • CA420280A - Armored enclosure : en fr
  • GB561427A - Improvements in or relating to flexible couplings : en
  • GB561447A - Improvements in apparatus for forming and ejecting rolls of sliver : en
  • FR892627A - Improvements made to prosthetic devices for the upper limbs : en fr
  • ES165592A1 - A SIGNAL RECEIVER : en es
  • CH232197A - Lubricant press with pressure lever. : de en
  • ES165528A1 - A PROCEDURE FOR THE OBTAINING OF BRONZE TO IRON, WITHOUT INTERVENTION OF TIN : en es
  • US2348706A - Muffler : en
  • GB561409A - An improved lathe attachment : en
  • CA420283A - Fluid pressure motor : en fr
  • CH232223A - Arrangement for short-circuit current limitation. : de en
  • ES164215A1 - GASOGEN FOR ENGINES : en es
  • CH232312A - Device on vehicles for automatic laying of the running track. : de en
  • US2349198A - Plastic composition and method of making the same : en
  • GB561363A - Improvements in or relating to method and apparatus for continuously casting rod : en
  • GB561327A - Improvements in and relating to resinous condensation products : en
  • DE745619C - Method and machine for packing fish fillet : de en
  • CA420191A - Flexible pocket receptacle : en fr
  • US2349182A - Gun operation signal mechanism : en
  • ES165570A1 - A REGULATOR DEVICE OF THE TIMONERA AND AIR ECONOMIZER FOR COMPRESSED AIR BRAKING, PARTICULARLY FOR RAILWAY ROLLING MATERIAL : en es
  • US2348857A - Bobbin winding machine : en
  • ES165710A1 - A PROCEDURE FOR INSOMERIZATION OF CETOXIDES : en es
  • GB561329A - Improvements in or relating to sugar beet or the like harvesting machines : en
  • US2348724A - Flooring : en
  • US2348989A - Apparatus for attaching envelopes and the like to packages : en
  • ES165498A1 - A PROCEDURE FOR OBTAINING DUSTS TO COMBAT LICE AND OTHER PARASITES : en es
  • ES165648A1 - A PROCEDURE FOR THE OBTAINING OF A NEW FEED : en es
  • FR892724A - Removable sole for shoes with metal soles : en fr
  • CH232237A - Process for the preparation of a derivative of p-aminobenzenesulfonamide. : de en
  • CH232255A - Electricity generators, in particular for bicycles and motorcycles. : de en
  • ES165715A1 - DEVICE FOR CLAMPING OF LANES TO TRAVIES : en es
  • FR892664A - Control valve for compressed air brake system : en fr
  • US2349221A - Liquid fuel burner : en
  • US2348752A - Electric cable : en
  • FR892779A - Injection system for separate ignition and high speed range engines, in particular vehicle engines : en fr
  • FR892784A - Telephone and television transmission system with amplifiers inserted at regular intervals : en fr
  • US2349162A - Wood-planing machine : en
  • CH232133A - Process for the preparation of a mixture of condensation products. : de en
  • ES165513A3 - IMPROVEMENTS IN THE MANUFACTURE OF SILENT GEAR WHEELS : en es
  • US2348979A - Mold for casting chain : en
  • US2349224A - Lubricating composition : en
  • US2348833A - Expansion joint construction : en
  • US2348835A - Heating apparatus : en
  • CA420166A - Scoop dredge : en fr
  • CH232066A - Vertical sliding windows, in particular for switch systems. : de en
  • SE110611C1 - : sv
  • CH232120A - Process for the preparation of 1,5-aminopentanol. : de en
  • CH232240A - Paper feed device on accounting machines. : de en
  • CA420199A - Motor control system : en fr
  • US2348794A - Method of catalytic conversion of hydrocarbons : en
  • USD137917S - Design for an insignia pin : en
  • CH232168A - Process for the production of hard metals for tools and work equipment. : de en
  • CA420224A - Hole springing method in minerals : en fr
  • CH232191A - Device for assembling a pipe with another organ. : en fr
  • FR892799A - A method of preventing fibers and like cellulosic materials from felting in the formation of bands, plates, layers and the like : en fr
  • ES165568A1 - A MOUNTING INTENDED FOR THE SUPPRESSION OF ONE OR MORE HIGH FREQUENCY OSCILLATIONS : en es
  • GB561374A - Flexible wheel for vehicles : en
  • DE745656C - Cardboard holding strips for stringing individual V-shaped wire hooks from belt connectors : de en
  • ES165671A1 - A PERFECTED SYSTEM OF AUTOMATIC LATHE OF SMALL POWER : en es
  • ES165564A3 - A PROCEDURE FOR THE WATERPROOFING OF POROUS SURFACES : en es
  • US2348836A - Catalytic conversion of hydrocarbons : en
  • US2348860A - Refrigeration : en
  • DE745845C - Jig for machine tools : de en
  • GB561393A - Improvements in or relating to metal drums and like containers : en
  • US2348943A - Planographic printing plate : en
  • US2348867A - Combination cracking process : en
  • CH232153A - Feeler gauge for internal threads. : de en
  • AU118489B2 - Improvements relating to dump vehicle construction : en
  • US2349017A - Soap chip dispenser : en
  • CA420156A - Laminated wooden knee brace : en fr
  • US2348799A - Die assembly : en
  • US2348940A - Stepless change speed transmission : en
  • US2349149A - Paperhanger's table : en
  • US2348963A - Automobile safety system : en
  • CA420241A - Volatilizable metal recovery apparatus : en fr
  • CA420274A - Combination package and dispenser : en fr
  • CH232182A - Automatic paint spraying device. : de en
  • CH232119A - Process for the thermal cracking of ethyl acetate. : de en
  • AU118485B2 - Improvements in and relating to tunable high frequency selector arrangements : en
  • US2348855A - Manufacture of soap : en
  • GB561381A - Universal spindle stock for metal working machines and the like : en
  • GB561432A - Improvements in or relating to apparatus for the propulsion of ships : en
  • FR892758A - Reinforced concrete sheet pile : en fr
  • GB561356A - Treatment of woven glass fabric : en
  • CH232165A - Tool for the tight fitting, in the opening of a support, of a curvilinear contour mirror made of elastic unbreakable material. : en fr
  • AU729842A - Improvements relating to dump vehicle construction : en
  • US2348736A - Finely divided sulphur product : en
  • CH232241A - Coin slot at a self-seller. : de en
  • CH232268A - Laundry detergent. : de en
  • FR892751A - evaporator with heat pump : en fr
  • US2349178A - Method of and apparatus for extruding and blowing organic plastic materials : en
  • US2349201A - Snow guard for roofs : en
  • CA420184A - Nickel-iron powder : en fr
  • FR892642A - Improvements made to cheek wheels for lighters or similar : en fr
  • CA420221A - Elastic top sock production : en fr
  • CA420225A - Cigarette manufacture : en fr
  • CA420167A - Hack saw grinding fixture : en fr
  • US2349070A - Register device : en
  • US2349171A - Machine tool : en
  • CH232188A - Cardan joint and method of manufacturing such. : de en
  • CH232189A - Pipeline with at least three elastic members built in between its connection points. : de en
  • CH232266A - Device for covering openings by means of movable components. : de en
  • NL97694B - : en
  • US2348847A - Dead burned magnesia : en
  • USD137929S - Design for a handle for a lawn mower : en
  • US2348753A - Change speed transmission : en
  • ES165445A1 - IMPROVEMENTS IMPLEMENTED IN TREE ASSEMBLY SYSTEMS FOR ROTATING ELECTRICAL RESISTORS : en es
  • ES165579A1 - A NEW PROCEDURE FOR THE GRAPE TREATMENT TO OBTAIN MUSTS AND TO USE THE GRAPES OF THE GRAPE IN WAY, DESCENDING THEM BEFORE THEIR FERMENTATION : en es
  • USD137910S - Design fob a frame for mirrors, pictures, and the like : en
  • CH232276A - Process for the production of a condensation product. : de en
  • FR892602A - Method and device for receiving short wavelength oscillations : en fr
  • ES165511A1 - A PERFECTION IN THE MANUFACTURE OF ANALOGUE FURNITURE OR FURNISHINGS, INDUSTRIAL, DOMESTIC CONSTRUCTIONS AND FOR OTHER USES : en es
  • CH232192A - Pipe connection for pipes that can be flexibly connected to one another. : de en
  • CH232112A - Process for the production of a mixture of water-soluble lignin conversion products. : de en
  • FR892781A - Support for parts of a transmitter or receiver of t. s. f. which carries at the same time a discharge tube and its accessories : en fr
  • US2348957A - Apparatus for and method of making circular locking bands for caps or closures : en
  • CH232281A - Process for the preparation of a water-soluble, higher molecular weight acyl biguanide. : de en
  • CH232185A - Impact and play-free shaft bearings. : de en
  • US2348901A - Water heater : en
  • ES162118A1 - A PROCEDURE TO PRODUCE BLOCKS OR BLOCKS OF STORAGE, SCRIPTURE OR NOTES : en es
  • ES163911A1 - DISPOSAL OF THE COILS OR CANILLAS IN COTTON RECTIFIED MACHINES : en es
  • US2348952A - Shoe or similar article : en
  • FR892705A - Method and apparatus for carrying out catalytic reactions : en fr
  • FR892754A - Automatic valve for separation or selection systems, by air, of powdery or granulated products : en fr
  • CH232080A - Manufacturing process of colored glass fibers and fiber obtained by this process. : en fr
  • ES165638A1 - A DEVICE APPLICABLE TO ELECTRIC RINGS : en es
  • US2348828A - Box handle structure : en
  • US2348958A - Variable stroke pump : en
  • CH232097A - Support device for the rotatable and axially displaceable winding spindle on a hose winder. : de en
  • CA420158A - Flexible grinder or sander : en fr
  • CH232300A - Process for the production of a vat dye. : de en
  • BE455154A - : en
  • DE745611C - Device for reducing or suppressing the disturbance effect caused by the magnetic earth field when storing image catcher tubes : de en
  • ES161693A1 - PROCEDURE FOR THE OBTAINING SOLUBLE WATER STARCH DERIVATIVES IN THE WATER : en es
  • FR892683A - Textile sizing process : en fr
  • CH232224A - Dust protection device for electromagnetic relays. : en fr
  • ES165394A1 - AN INDUSTRIAL PROCEDURE FOR THE OBTAINING OF A SOLID FUEL : en es
  • US2348834A - Heating apparatus : en
  • CA420214A - Make-alive electrode manufacture : en fr
  • CH232204A - Method of manufacturing spark plug insulators. : de en
  • CH232062A - Hoe. : en fr
  • US2348775A - Presser foot lock for shoe sewing machines : en
  • CH232160A - Drive mechanism for gramophones. : de en
  • US2348970A - Process for the separation of acids contained in tall oil : en
  • US2348890A - Boiler feed water control mechanism : en
  • USD137937S - Design fob a mounting cornee : en
  • US2348814A - Rectifier for voltage duplicating circuits : en
  • GB561441A - A fuel cut-off valve for an internal combustion engine : en
  • ES165496A1 - A THREAD CLEANER, ESPECIALLY FOR WINDING MACHINES : en es
  • CA420278A - Expanded rubber manufacture : en fr
  • US2348782A - Means for testing hardness of materials : en
  • US2348705A - Ethylenesulphonyl polymer : en
  • US2348756A - Plastic composition : en
  • US2349052A - Manufacture of cemented hard metals, in particular for tool elements : en
  • USD137921S - Lituroical fabric or similar article : en
  • CA420233A - Refrigerator : en fr
  • FR892608A - Capping device : en fr
  • GB561360A - An improved conversion protractor and parallel rule : en
  • GB561413A - Combined abacus and pencil box : en
  • CA420258A - Dyeing apparatus hank pole : en fr
  • CA420265A - Circuit breaker mechanism : en fr
  • CH232113A - Process for the production of organic solvents, such as. B. methylene chloride, ethylene chloride, dioxane, etc., homogeneously soluble cellulose triacetate. : de en
  • ES164797A1 - DEVICE TO WORK LATER ON THE PARTS OF THE HEEL IN A PIECE OF THE FOOT AND THE ROD, WORKED FOLLOWING FOR THE MANUFACTURE OF FRENCH HEELS WITH THE COTTON RECYCLING MACHINE : en es
  • AU733142A - Improvements in or relating to apparatus forthe vending of pourable food, such as soup : en
  • DE745769C - Method for applying adhesive layers using an auxiliary pad by tapping onto plaster pads and bandages : de en
  • ES165694A1 - A DEVICE FOR DIRECTING THE CURRENTS NEXT TO SHIP HELMETS WITH SIDEWALK CHANNELS FOR THE WATER THAT ENTERS : en es
  • CH232219A - Device on an electrical switch for its actuation by means of compressed air. : de en
  • CH232230A - Process for the production of vacuum tubes, in particular electron tubes. : de en
  • US2348722A - Timing device : en
  • GB561295A - Improvements in or relating to reversing mechanism for internal combustion engines : en
  • US2349161A - Hydraulic pump : en
  • DE745746C - Control device for swivel excavator with swivel belt : de en
  • FR892762A - heat exchanger : en fr
  • CA420294A - Semi-stiff collar : en fr
  • NL56571C - ARC OR RING SHAPED MINING SUPPORT : en nl
  • GB561398A - Improvements relating to optical measuring instruments : en
  • US2349010A - Inlet for siphons : en
  • US2348748A - Gas turbine : en
  • US2349202A - Drain fitting : en
  • FR892712A - Apparatus for measuring friction in motion, in particular that of seals : en fr
  • FR892730A - Preparation tank with agitator for concrete mixers : en fr
  • CH232094A - Suspension device. : de en
  • US2348784A - Refrigeration apparatus : en
  • US2349219A - Molding machine : en
  • US2348831A - Safety device for pipettes : en
  • US2348921A - Draw press : en
  • US2349053A - Conversion of hydrocarbons : en
  • USD137922S - Liturgical fabric or similar article : en
  • FR892666A - Continuous operation device for the elimination of liquids from peat or any other spongy material avoiding thermal drying : en fr
  • USD137906S - Design for an animal figure : en
  • DE742538C - Control and locking device for writing, calculating, booking and punch card machines : de en
  • DE745549C - Device for producing body layer images by means of X-rays. : de en
  • CH232186A - Ball bearing device. : de en
  • CA420157A - Collapsible horse : en fr
  • CH232124A - Process for the manufacture of a product which can be used for printing purposes. : de en
  • US2348907A - Rotary seal joint : en
  • USD137912S - Design for a jacket : en
  • USD137902S - Embroidered trimming or the like : en
  • ES165565A3 - A TOTALIZING APPARATUS OF METERS, WOODS OR REVOLUTIONS FOR SPINNING MACHINES : en es
  • US2349132A - Clutch : en
  • DK62242C - Gasification burner for Petroleum or similar liquid fuels. : da en
  • FR892787A - Salt bath electrode furnace for heat treatment without oxidation of metals : en fr
  • US2348819A - Expansible chuck : en
  • US2349208A - Conveyer chain link : en
  • FR892764A - Transverse balancing device for airplanes, comprising ailerons to be controlled independently of the rudder and a device to compensate for the turning moments which occur around the vertical axis when the ailerons are deflected : en fr
  • FR892630A - Control device for radio receiver : en fr
  • US2349222A - Manufacture of amines : en
  • CA420169A - Tantalum carbide composition : en fr
  • ES165602A1 - IMPROVEMENTS IN THREE STEP VALVES : en es
  • US2349086A - Felting needle : en
  • US2349069A - Hydraulic pressure control valve unit : en
  • CH232195A - Shut-off device with control of the shut-off device by a membrane. : de en
  • CA420207A - Electrical measuring instrument : en fr
  • DE745827C - Device for removing and printing the bulk of lumber : de en
  • GB561339A - Method of making knitted fabrics : en
  • CH232176A - Apparatus for dressing and polishing stones, marble and other hard materials. : en fr
  • ES165645A1 - A PROVISION TO REDUCE DIELECTRIC LOSSES ARISING IN HIGH FREQUENCY IRON NUCLEI : en es
  • ES165554A1 - IMPROVEMENTS IN THE MECHANISM OF WATCHES TO SPRINGS WITH ENGINE ROPE : en es
  • FR892727A - Process for smelting iron : en fr
  • FR892739A - Dropper bottle : en fr
  • US2349152A - Impregnating gauze : en
  • FR892785A - Turbine fin and method for its attachment : en fr
  • FR892704A - Fusible safety cutout to prevent temperature overshoots in furnace installations : en fr
  • USRE22481E - Building unit : en
  • IE16695L - Wheels for agricultural tractors : en
  • ES164453A1 - PROCEDURE FOR THE FEEDING OF POTS FOR THE GLASS FOUNDRY : en es
  • ES165491A1 - AN ELECTROMECHANICAL BRAKE INCORPORATED FOR ELECTRIC MOTORS : en es
  • CH232254A - Device bearing the control number of a vehicle, in particular a bicycle. : en fr
  • CH232179A - Device for sealing cords, wires and the like by means of two-part seals consisting of a slotless seal capsule and an insert washer. : de en
  • US2349081A - Tube coupling : en
  • US2349134A - Ethyl cellulose molding composition : en
  • ES164815A2 - IMPROVEMENTS MADE IN THE OBJECT OF PATENT NUMBER 155335 : en es
  • ES165551A1 - IMPROVED IMPROVEMENTS IN AUTOMATIC FIREARMS WITH MASS LOCKING SYSTEM, ESPECIALLY IN THE AUTOMATIC PISTOLS : en es
  • ES165588A1 - A PROCEDURE FOR THE CONSTRUCTION OF SPARK PLUGS FOR EXPLOSION ENGINES : en es
  • CH232091A - Pantry. : en fr
  • ES165590A1 - A MANUFACTURING PROCEDURE FOR FOOTWEAR SOLE : en es
  • US2348876A - Metal cutter : en
  • US2349027A - Photographic developing apparatus : en
  • US2349113A - Combination girdle and hernia truss : en
  • US2349150A - Hydraulic continuous press for concrete and the like : en
  • GB561357A - Improvements in or relating to gas pressure relief devices for gasholders : en
  • CA420229A - Plastic binding : en fr
  • ES165378A1 - A PROCEDURE FOR AGGLOMING CARBON : en es
  • GB561364A - Telephone systems : en
  • US2349183A - Safety razor accessory : en
  • ES165582A1 - A PROCEDURE FOR THE OBTAINING OF CONDENSATION PRODUCTS : en es
  • ES163208A1 - A PROCEDURE, WITH THE CORRESPONDING APPARATUS, FOR THE CONCENTRATION OR SEPARATION OF MATERIALS : en es
  • US2348976A - Insecticide : en
  • ES165628A1 - A PROCEDURE FOR THE DETERMINATION OF PLANS, ESPECIALLY APPLICABLE TO DENTAL PROSTHESIS AND ITS CORRESPONDING APPARATUS : en es
  • GB561419A - Improvements in winnowing devices : en
  • GB561429A - Improvements in or relating to internal combustion engines operating on the two-stroke cycle : en
  • US2349097A - Socket : en
  • CA420212A - Vapour electric system : en fr
  • CH232147A - Screw-down fountain pen. : de en
  • ES160242A1 - LUMINOUS LIGHTHOUSE OF GREAT PUNCH POWER IN LITTLE CLEAR ATMOSPHERES : en es
  • FR892622A - Guiding device for optical instruments : en fr
  • FR892676A - Reversible bicycle freewheel : en fr
  • US2348984A - Sodium bismuth triglycollamate : en
  • US2349082A - Press frame construction : en
  • CH232210A - Gas heater. : de en
  • DE745761C - Drive device for the plating thread guide rails on flat weft knitting machines : de en
  • US2348826A - Coating of objects of magnesium or the like with oxides : en
  • DE745603C - Two-part flexible pit stamp : de en
  • US2349199A - All-angle milling machine attachment : en
  • CH232143A - Process for developing blueprints and apparatus for carrying out the process. : de en
  • FR892757A - Brewing process comprising the use of hop extracts : en fr
  • FR892786A - Spring control : en fr
  • CA420172A - Radial pump : en fr
  • CH232311A - Process for the preparation of 1-phenoxy-3-tetrahydro-p-oxazinyl-N-ethoxy-propanol- (2). : de en
  • FR892651A - Removable protective holder for postage stamps : en fr
  • GB561449A - Improvements in or relating to knitted gloves : en