• US2344021A - Surgical bandage : en
  • US2343865A - Garment hanger : en
  • US2343926A - Typewriting machine : en
  • US2344343A - Sanitary cover for cans : en
  • CA419006A - Workpiece heat treating apparatus : en fr
  • CA419069A - Vehicle clutch actuating means : en fr
  • CH231257A - Process for the production of a sulfur dye with very fast coloring in gray tones. : de en
  • CH231311A - Sealing for rolling bearings against leakage of lubricant and against entry of dust, water and the like. : de en
  • US2344320A - Wire stretcher : en
  • US2344457A - Composite ribbon : en
  • CA419013A - Variable inductance device : en fr
  • FR891711A - Constructive provisions for an electric switch allowing the distribution of the current on different assemblies : en fr
  • CH231421A - Process for the preparation of a monoazo dye. : de en
  • US2344067A - Gripping and releasing device : en
  • US2344359A - Paper container blank : en
  • NL55912C - : en
  • CA418981A - Baby carriage top : en fr
  • US2344292A - Method of finishing gears : en
  • FR891685A - Device for temporary coupling of a starting or cranking motor with an internal combustion engine : en fr
  • US2343874A - Nut-cracking machine : en
  • NL74830C - : en
  • US2344274A - Roller press : en
  • US2343912A - Flow equalizer : en
  • US2343952A - Control unit for compressor systems : en
  • US2344258A - Conversion of hydrocarbons : en
  • CH231352A - Corpuscular beam apparatus. : de en
  • DK62020C - Coffee maker with Filter. : da en
  • FR891658A - Improvements made to blotting pads : en fr
  • GB560058A - An improved device for automatically stopping electrically driven machinery in an emergency : en
  • CH231376A - Bag woven from cords. : de en
  • FR891687A - Fixed or mobile annular sight for underwater shotguns : en fr
  • DE708987C - Double row sound post for accordions and similar musical instruments : de en
  • DK62018C - Apparatus for hardening sheets of glass or similar material. : da en
  • GB560020A - Manufacture of new ether derivatives of aromatic hydroxy-compounds : en
  • CH231316A - Rotary piston machine system. : de en
  • CH231330A - Water level pointer. : de en
  • FR52394E - New arrangement of a single or double row rigid ball bearing combined with a thrust ball bearing in freewheels of bicycles or the like : en fr
  • GB559946A - Improvements relating to small electric motors, more especially synchronous motors : en
  • CA418961A - Automatic phonograph : en fr
  • CH231201A - Oriental curtain. : en it
  • US2343930A - Resin molding : en
  • US2344033A - Railway car truck : en
  • US2344193A - Game apparatus : en
  • ES163428A1 - A PRISMATIC, HORIZONTAL PROJECTION, DESIGNED TO TRACE ON IT ORTHODOMIC MAPS OF UNLIMITED EXTENSION : en es
  • FR891717A - Screw : en fr
  • US2344153A - Method and means for illuminating objects : en
  • ES164410A1 - A TELEPHONE AMPLIFIER TRANSMITTER AND RECEIVER SIMULTANEOUSLY AND WITH SWITCHING : en es
  • DE745672C - Production of an acidic solid electrolyte for collectors : de en
  • CH231318A - Eccentric control on piston machines. : de en
  • CH231401A - Process for the preparation of a compound of the tetrahydropyran series. : de en
  • US2344364A - Internal combustion engine with crosshead : en
  • US2344479A - Fire extinguisher : en
  • US2343888A - Heat treatment of steel : en
  • ES164342A1 - AUTOMATIC MACHINE TO MANUFACTURE GLASS AMPOULES FOR INJECTABLE AND SIMILAR : en es
  • ES164418A2 - MODIFICATIONS INTRODUCED TO THE MAIN PATENT : en es
  • FR891681A - Tongs for hanging out the laundry or for all similar uses : en fr
  • US2343905A - Typewriting machine : en
  • US2343914A - Automatic lathe : en
  • CH231280A - Run-out method and device for measuring the friction in a bearing. : de en
  • US2344288A - Method for solubilizing titaniferous ores : en
  • DE745617C - Frame, especially for motor vehicles with oscillating semi-axles and driven wheels : de en
  • ES164249A1 - IMPROVED IMPROVEMENTS IN THE CONSTRUCTION OF TRAILERS-CAMPING KITCHEN ON TOW : en es
  • NL57652C - : en
  • US2344432A - Mechanism for actuating machine tool supports : en
  • US2344262A - Surgical cast cutter : en
  • CH231428A - Process for the production of photosensitive systems. : de en
  • DE745453C - Device for current removal and current supply to electrical machines : de en
  • GB560044A - Improved adjusting means for the brake magnets of watt hour meters and the like : en
  • US2344183A - Burner control for tending fire : en
  • US2343886A - Dairy product deodorizer : en
  • DK62031C - Abrasive coating for sharpening instruments for cutting instruments, in particular razors and razor blades. : da en
  • DE745634C - Process for the catalytic cracking of hydrocarbon oils : de en
  • FR891626A - Gasifier, in particular for motor cars : en fr
  • FR891660A - Steam production plant : en fr
  • ES164468A1 - A PROCEDURE FOR DETERMINATION OF SULFURIC ETHER, ESPECIALLY FOR ITS APPLICATION AS ANESTHETIC : en es
  • AU118202B2 - lmpirove&~ diirectional flighft Rievel indlicator : en
  • DE745458C - Process for the preparation of 0-oxyazo dyes : de en
  • ES164512A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BICYCLE SEATS : en es
  • ES164526A1 - A PERFECTION IN THE CLOSURE MECHANISMS OF THE SEWING MACHINES : en es
  • CH231314A - Device for the indirect, automatic control of parameters such as temperature, pressure, humidity. : de en
  • DK62015C - Electrical Switch for AC power and with Arc switch off at Air current. : da en
  • FR891630A - Method for direct determination of the position in space of objects forming part of stereoscopic views : en fr
  • FR891705A - Tooling for the rapid production of wooden or thin metal hollow bodies : en fr
  • FR891729A - Device for control by network characteristics in power plants : en fr
  • CA419070A - Friction brake : en fr
  • US2344172A - Garment hanger : en
  • US2344354A - Valve construction : en
  • US2344402A - Toy bomb : en
  • FR891601A - Method and device for the continuous measurement of very long objects : en fr
  • GB560055A - Improvements in and relating to electric wave communication systems : en
  • CH231203A - Device with corner strips. : de en
  • CH231206A - Hot water boiler. : de en
  • US2344463A - Engine starter gearing : en
  • DK62033C - Procedure for Manufacturing in a Tunnel Furnace of Shaped, Light and Porous Stones and Other Pottery and Tunnel Furnaces for Carrying Out the Procedure. : da en
  • US2343896A - Sanitary and safety pipe-floor connection : en
  • US2344391A - Process for preventing the formation of clinker rings : en
  • US2344469A - Alkylation process : en
  • DK62017C - Device by Molds. : da en
  • USD137435S - Design for a bow compass : en
  • US2344162A - Grinding mill discharge : en
  • DE745680C - Metal heat exchanger operated with gaseous substances : de en
  • GB559961A - Improvements in or relating to the manufacture of articles made from aluminium or aluminium alloys : en
  • ES164301A1 - PIPE SPOON FOR IRON AND METAL FOUNDRY : en es
  • USD137453S - Design for a portable sanding machine : en
  • USD137457S - Design fob a dress : en
  • FR891701A - Two-stroke, opposed-piston, four-cylinder square engine : en fr
  • US2343988A - Cathode ray intensity control circuit : en
  • GB560007A - Improvements in or relating to electric signalling systems : en
  • ES164290A1 - PROCEDURE FOR THE WATERPROOFING OF WOOL SKINS TO PROTECT FROM HUMIDITY MATTRESSES AND SIMILAR : en es
  • US2343924A - Folding tripod : en
  • ES163495A1 - A DISTRIBUTOR-DOSER DEVICE FOR CENTRAL LUBRICATION SYSTEMS : en es
  • ES164503A1 - A PROCEDURE TO IMPROVE THE DURATION OF GLASS CONTAINERS : en es
  • US2343883A - Air navigation plotter : en
  • ES164384A1 - IMPROVEMENTS INTRODUCED IN ELECTRICAL PRJECTORS : en es
  • FR891609A - Cinematographic device with removable presser : en fr
  • US2343881A - Press : en
  • GB560070A - Improvements in concrete gate posts : en
  • ES163189A1 - A PROCEDURE FOR THE SELECTIVE PREPARATION OF CUMARONE RESINS : en es
  • GB560014A - Improvements in maximum demand or load indicators for polyphase electrical circuits : en
  • CH231363A - Convertible stretcher. : en fr
  • US2344248A - Fluid drive : en
  • US2344256A - Tire inflater : en
  • US2344127A - Riveting apparatus : en
  • US2344317A - Control means for manure spreaders : en
  • GB559943A - Improvements in or relating to abrasive coated articles : en
  • GB560049A - Improvements in or relating to printing of textile fabrics : en
  • ES164773A1 - AN INTERNAL COMBUSTION ENGINE : en es
  • US2344055A - Dust protector for cylinders : en
  • AU118222B2 - Improved vapouriser and burner unit for oil fuel domestic cookers and the like : en
  • DE745501C - Electric motor with automatic mechanical standstill brake : de en
  • DK62028C - Photographic Camera with a Photoelectric System for Setting the Exposure Determination. : da en
  • FR891738A - Method and device for the secret of transmission of messages : en fr
  • US2344304A - Vent pipe valve for fuel oil tanks : en
  • US2344338A - Substation circuit : en
  • CA418965A - Packing box and lining : en fr
  • FR891629A - Compensating device for gas flow regulators used to supply motors : en fr
  • US2344378A - Chassis, especially for motor vehicles : en
  • USD137463S - Design for a separable cigarette holder : en
  • US2344287A - Pumping means : en
  • CH231399A - Device on aircraft for adjusting the propeller blades. : de en
  • ES164065A1 - A SHOCK ABSORBER FOR AIRCRAFT : en es
  • FR891605A - Drawing bench for long profiled parts : en fr
  • GB560043A - Improvements relating to biscuit making machinery : en
  • US2344108A - Means for moving spray guns or other devices through predetermined paths : en
  • US2344194A - Rosin base resin : en
  • DE742041C - Fabric for wound dressings, rubber plasters, bandages, etc. like : de en
  • US2344283A - Railway signal apparatus : en
  • US2344294A - Electromagnetic induction apparatus : en
  • CH231256A - Process for the preparation of a copper-containing disazo dye. : de en
  • US2344273A - Display stand : en
  • ES164804A3 - IMPROVEMENTS IN THE STOP VALVES FOR PRESSURE FLUIDS : en es
  • USD137476S - Combined tax return filing portfolio and record book : en
  • FR52398E - Removable annular ramp for gasifier fireplace : en fr
  • US2344144A - Cooking top burner for gas ranges : en
  • US2344230A - Adjustable and removable brace for frameless eyeglasses : en
  • US2344261A - Dielectric monitor system : en
  • ES164382A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC HEADLIGHTS FOR BICYCLES WITH AN ELECTRIC CHIME ARRANGED IN THE BOX OF THE LIGHTHOUSE : en es
  • DE745548C - Scissor spreader jumping camera with hinged bottom : de en
  • DK62024C - Lobeing for Roller Bearings for High Speeds and Loads. : da en
  • ES164299A1 - HERMETIC CLOSURE WITH PRESSION OF MULTIPLICATION BY WEDGE IN FIRE EXTINGUISHERS : en es
  • CA419021A - Calculator : en fr
  • US2344169A - Bib positioning means : en
  • CH231420A - Process for the preparation of a monoazo dye. : de en
  • ES163950A1 - IMPROVEMENTS INTRODUCED IN THE SHARPENING MACHINES : en es
  • CH231389A - Self-locking worm compensation gear, in particular for motor vehicles. : de en
  • US2344057A - Footwear : en
  • US2344240A - Cooled shaft bearing : en
  • US2344280A - Lead-in arrangement : en
  • CA419063A - Cathode ray tube : en fr
  • CH231438A - Support for cycles. : en fr
  • DE745358C - Muzzle brake with recoil amplifier connected behind it : de en
  • CH231207A - Installation for the electric heating of a liquid. : en fr
  • CH231266A - Process for the manufacture of resin-impregnated paper. : de en
  • US2344124A - Refining vitamin oils : en
  • US2344421A - Shoe : en
  • CH231243A - Shoe closure. : de en
  • CH231307A - Device for receiving can lids to be dried, freshly painted or coated with a liquid sealant. : de en
  • CH231300A - Lathe tailstock. : de en
  • GB560029A - Improvements in or relating to light beacons : en
  • US2344025A - Fermentative production of 2,3-butylene glycol : en
  • ES164649A1 - DEVICE FOR THE MANUFACTURE OF FLOATING SOAP : en es
  • US2344077A - High-pressure steam generator : en
  • US2344277A - Method of drilling lateral bores : en
  • DE744666C - Vibration endangered rod-shaped aircraft component : de en
  • ES164720A1 - A WINDING MACHINE : en es
  • CA418992A - Time controlled electric switch : en fr
  • FR891691A - Device used to influence one electric current in dependence on another : en fr
  • US2344416A - Piston : en
  • BE452329A - : en
  • US2344015A - Alkylation : en
  • US2344452A - Switch : en
  • ES164859A1 - A PROCEDURE TO OBTAIN HYDROCARBONS AND LIGHTING GAS : en es
  • US2344029A - Synchronizing system : en
  • FR891710A - Improvements in methods for testing devices, mechanical impulses : en fr
  • ES164733A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN APPLICANT NUMBER 161096 : en es
  • GB559958A - Improvements in or relating to bobbin-identifying apparatus for yarn and like winding machines : en
  • CH231351A - Polyphase goniometer. : de en
  • DK62025C - Machine for Making Stuffed Marzipan. : da en
  • ES164298A1 - DOUBLE-EFFECT VALVE FOR FIRE EXTINGUISHERS AND OTHER CONTAINERS GAS OR PRESSURIZED LIQUIDS, LIKE METHYL BROMIDE OR ANY SIMILAR PRODUCT : en es
  • US2344068A - Purifier and oil separating apparatus : en
  • US2344121A - Releasable setting tool and by-pass : en
  • US2344199A - Mounting and adjusting device for recording instruments : en
  • FR891622A - Automatic machine for the projection of metal, enamel or paint on a flat or curved surface : en fr
  • US2343889A - Apparatus for electric heating : en
  • ES160129A1 - A ARTICULATOR FOR COMBINED MOVEMENTS : en es
  • ES164316A1 - IMPROVEMENTS INTRODUCED IN THE TRANSFERS OF LIQUID OF ROTATING BODY : en es
  • CA419053A - Waterproofing composition for concrete or mortar : en fr
  • DE745212C - Tear-off device for flat combing machines : de en
  • DK62011C - Frame stroke for Drill pipes. : da en
  • US2344223A - Vessel and method of constructing it : en
  • US2344394A - Barium di(dihydro abietyl) dithiophosphate and the method of making the same : en
  • US2344390A - Raising and lowering mechanism : en
  • US2344139A - Liquid feed carburetor : en
  • ES160674A1 - A BANK WITH HIS MECHANISM AND ACCESSORIES FOR MANUFACTURING MANUFACTURING BY HOLLOW BRICK PIECE PIECES : en es
  • DE745380C - Process for the automatic closing of the double edge of goods on the flat weft knitting machine : de en
  • ES164335A1 - A PERFECTION IN THE CONSTRUCTION OF CENTRIFUGAL HYDROEXTRACTORS : en es
  • ES164546A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CARTRIDGE COVERS : en es
  • US2343941A - Brake arrangement : en
  • US2344229A - Food product : en
  • US2344245A - Refrigeration : en
  • US2344324A - Railway signaling system : en
  • ES164310A1 - A NEW RECREATION TABLE SYSTEM FOR WHITE SHOT : en es
  • ES164386A1 - A PROCEDURE FOR THE ELECTRIC WELDING OF PLATES SITUATED PERPENDICULARLY OR APPROXIMATELY PERPENDICULAR BETWEEN : en es
  • FR52358E - Cinematographic printing device : en fr
  • US2344239A - Electric condenser : en
  • FR891604A - Scraper device for removing sugar and other materials from centrifuges : en fr
  • GB559939A - Improvements in or relating to sighting apparatus for use on aircraft and for like purposes : en
  • ES164732A1 - IMPROVEMENTS IN THE MANUFACTURE OF DOSERS FOR MILLED MATERIALS : en es
  • GB559970A - Improvements in or relating to optical projection apparatus : en
  • ES164847A1 - IMPROVEMENTS INTRODUCED IN THE CENTRIFUGAL PENDULUMS, ESPECIALLY IN THE DESTINATIONS TO DYNAMIC VIBRATION SHOCK ABSORBERS : en es
  • ES164336A1 - A PHOTOGRAPHIC SHUTTER APPARATUS : en es
  • FR891639A - Device for supplying cooling air to the engine chamber in vehicles with rear engine : en fr
  • US2344128A - Rivet : en
  • ES164294A1 - IMPROVEMENTS INTRODUCED IN THE ELECTRODES FOR POINT WELDING : en es
  • FR52390E - Further training in shrinking machines : en fr
  • ES164574A1 - PROCEDURE FOR THE OBTAINING OF A PROTECTIVE COVER OF SEVERAL LAYER OF LAKE FILMS, ESPECIALLY FOR BOXES OR BOTTLES OF BLACK PLATE INTENDED TO PRESERVE FOOD AND MEANS OF CONSUMPTION : en es
  • ES164275A1 - PROCEDURE TO VULCANIZE HOBBOOK AND SOLEL JOINTLY AND TO REINFORCE WITH DIFFERENT CLASES OF SHOES : en es
  • GB559950A - Improvements in or relating to optical objectives : en
  • CH231353A - Intermediate layer for wire windings, especially on spools. : de en
  • GB560033A - Improvements in or relating to lifting appliances : en
  • GB560042A - Treatment of pitch : en
  • ES163988A1 - A PROCEDURE FOR PREPARING VITAMINATE AND FITOHORMONIC ALIEMNTS AND FERTILIZERS : en es
  • ES164651A1 - A PROCEDURE FOR THE COLLECTION OF THE DUST PRODUCED IN THE WORK OF THE HAMMERS AND PNEUMATIC TOOLS PERFORATING THE MINES : en es
  • CH231396A - Helicopter with device to compensate for the back torque. : de en
  • ES164370A1 - A PROCEDURE FOR THE MANUFACTURE OF PIMETIC ESTERS : en es
  • US2344020A - Method of centrifugally casting tubular bodies : en
  • ES164719A1 - IMPROVEMENTS IN THE MECHANISMS OF AUTOMATIC SHUTTLE CHANGE OF THE TELARES : en es
  • US2344050A - Hydraulic damping and stabilizing device : en
  • US2344321A - Condensation products of sulphonic acid amides and sulphonic acid hydrazides and a process of preparing them : en
  • US2344167A - Typewriting machine : en
  • US2343967A - Engine starter : en
  • ES164271A1 - IMPROVEMENTS IN LIMNIAGRAPHIC APPLIANCES : en es
  • ES164366A1 - A NEW PROCEDURE TO DECORATE OR DECORATE NAILS : en es
  • GB559982A - Improved rail clip for light railway lines : en
  • FR891740A - Automotive plowman : en fr
  • GB560045A - Improvements in or relating to milk bottle holders : en
  • US2344270A - Portable crib : en
  • USD137445S - Design for a two-faced doll : en
  • US2343887A - Apparatus for cutting tapered filaments : en
  • US2344279A - Plastering base : en
  • USD137464S - Design for a tape dispenser : en
  • CH231313A - Spindle adjustment device. : de en
  • ES164536A1 - A MACHINE FOR THE MANUFACTURE OF EDIBLE SAUSAGES AND SUBSTANCES : en es
  • CH231229A - Furnishing with household appliances and drive device. : de en
  • GB560053A - Improvements in or relating to electric relays : en
  • ES164273A1 - A PULSE DRIVER POWERED ON IMPULSES : en es
  • US2344182A - Display device for suction cleaning apparatus : en
  • GB560012A - Improvements in or relating to means for reading the indication of measuring instruments : en
  • US2344137A - Pigmented resin and method of making : en
  • FR891647A - Operating mechanism for machines, in particular machine tools : en fr
  • IE16588L - Composite plaster boards. : en
  • US2344054A - Attachment for ham stuffing presses : en
  • US2344155A - Free trolley system : en
  • US2344481A - Engraving machine : en
  • ES164262A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF SOLE FOR ALL KINDS OF FOOTWEAR : en es
  • DE745627C - Steel for objects that are exposed to high gas pressures and require particularly high resistance to the stresses that occur when the pressure changes : de en
  • US2344092A - Vehicle body : en
  • CH231235A - Establishment intended for training on handlooms. : de en
  • CH231348A - Electrolytic capacitor with a metal vessel that is sealed by a disk-shaped body made of insulating material. : de en
  • ES164331A1 - SOME IMPROVEMENTS IN THE TAGS TO PRINT HAND-FABRIC : en es
  • FR891683A - Heat-saving recuperator : en fr
  • ES164347A1 - A PROCEDURE TO PRINT FABRIC : en es
  • FR891741A - Multistage radial turbo machine : en fr
  • GB559962A - Improvements in or relating to bowden wire mechanism : en
  • FR891635A - Internally cooled turbine blade : en fr
  • US2344373A - Electric cooker : en
  • US2344219A - Cutting torch : en
  • GB560032A - Electrical wiring system : en
  • GB559985A - Improvements relating to electrical apparatus for indicating liquid levels : en
  • ES164369A1 - A MULTIPLE PROJECTION PROCEDURE : en es
  • FR891670A - Gasifier continuously fed by various pulverized residues, particularly agricultural residues, for actuating motors : en fr
  • ES164406A1 - IMPROVEMENTS IN THE MANUFACTURE OF ECONOMIC KITCHENS : en es
  • ES164761A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NO. 149788 : en es
  • GB559964A - A method of and machines for treating black plate blanks : en
  • GB560002A - Improvements in electric lamp holders : en
  • AU495342A - Improvements in or relating to pipe couplings : en
  • CA419025A - Adhesive suspension in water : en fr
  • DK62034C - Device by belt conveyors. : da en
  • ES164324A1 - IMPROVEMENTS IN THE CONSTRUCTION OF BRANCHES FOR PRESSURE TUBES OR OTHER SIMILAR HOLLOW BODIES : en es
  • US2344083A - Engine starting apparatus : en
  • CA419011A - Television synchronizing system : en fr
  • FR52388E - Spiral tip in two parts, for support stops used in bowden sheaths or all applications : en fr
  • GB560035A - Clinker and ash remover for mobile and stationary producer gas plants : en
  • CH231312A - Bearing bush that is rolled up from sheet metal. : de en
  • US2344255A - Bottle holder : en
  • ES164758A1 - A PREDICTION FOR THE OBTAINING OF DISINFECTION AND CONSERVATION AGENTS : en es
  • CH231210A - Device for the electrical heating of iron pipelines. : de en
  • GB560027A - An improved cycle lock : en
  • ES163797A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR891680A - Drive mechanism control mechanism for intermittent advancement of motion pictures : en fr
  • GB560063A - High speed telegraph transmitter : en
  • ES164663A1 - PROVISION FOR ALTERNATE CURRENT TELEGRAPH DEVICES : en es
  • ES164745A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR THE ELIMINATION OF CHIPS FROM SOUND RECORDING DEVICES : en es
  • FR891679A - Improvements to rigid sole shoes in one piece : en fr
  • GB560060A - Improvements in or relating to evaporators : en
  • ES164256A1 - SOME IMPROVEMENTS IN THE COILS AND IGNITION FOR EXPLOSION ENGINES : en es
  • ES164746A3 - A PROCEDURE FOR THE SERIES MANUFACTURING OF SOUND FILMS WITH MECHANICAL SOUND RECORDING : en es
  • ES164274A1 - A REFRIGERATOR APPARATUS : en es
  • USD137446S - Design for a cultivator ring : en
  • DE745122C - Process for the production of metal bodies with a self-lubricating effect : de en
  • FR891611A - Amino-aryl-sulfonic acid dicyano-diamidides and process for their preparation : en fr
  • FR891661A - Process to improve soaps and detergents : en fr
  • CA419049A - Absorption refrigerating apparatus : en fr
  • CH231302A - Process for wood impregnation by means of sap displacement on masts. : de en
  • AU1122143A - Improvements in or relating to pipe couplings : en
  • CH231309A - Multi-element torsion spring. : de en
  • DE745637C - Skin cleanser : de en
  • US2344163A - Service connector : en
  • US2344353A - Control system for resistance welding : en
  • ES164265A1 - A PROCEDURE TO REGENERATE USED PHOTOGRAPHIC FIXING BATHS AND RECOVER THE SILVER CONTAINED : en es
  • GB560071A - Improvements in hydraulic engines : en
  • US2344282A - Stock inlet for papermaking machines : en
  • US2344125A - Nozzle for the manufacture of mineral wool : en
  • ES164533A1 - A PERFECTION IN THE VIBRANT PIEZOELECTRIC GLASS SUBJECT : en es
  • ES4114Y - Mold for the manufacture of cylindrical tanks of cement and asbestos sheet. : en es
  • GB560048A - Improvements relating to shock absorbers : en
  • US2343984A - Brake control system : en
  • US2344323A - Tooth relieving machine : en
  • US2344348A - Handcuff : en
  • CA419030A - Storage battery plate : en fr
  • CH231434A - Arrangement for the operation of converters in which a circuit break occurs mechanically. : de en
  • ES164530A1 - A PERFECTED AUTOMOBILE ELECTRIC CRANE : en es
  • ES164560A3 - A PROCEDURE FOR OBTAINING RUBBER : en es
  • ES164494A2 - IMPROVEMENTS IN THE OBJECT OF MAIN PATENT NUMBER 161652 : en es
  • AU852743A - An improved machine Ior use in screw-cuiting, turning and other metall working operations : en
  • US2344342A - Filter for cigar-and cigaretteholders : en
  • US2344458A - Manufacture of footwear : en
  • FR891699A - Safety lock : en fr
  • CH231370A - Decoupling arrangement in a multi-carrier communication system. : de en
  • CH231232A - Process for the production of easily filterable viscose solutions. : de en
  • CH231208A - Process for the production of products from plastic, hardenable masses. : de en
  • CH231252A - Process for the preparation of branched aliphatic alcohols. : de en
  • CH231409A - Process for the production of a new azo dye. : de en
  • CH231213A - Installation for carbonization of wood and tar removal of distillation gases. : en fr
  • US2343876A - Mine car : en
  • CH231410A - Process for the production of a new azo dye. : de en
  • DE745586C - Electrical release for safety gears : de en
  • US2344134A - Portable elevator : en
  • CA418971A - Wringer mechanism : en fr
  • ES164713A1 - AN ELECTRIC ADVISOR OF MAXIMUM OR MINIMUM TEMPERATURE : en es
  • CA419094A - Dischargeable dyestuff : en fr
  • CH231260A - Adhesive tape covered on both sides. : de en
  • CA418997A - Lever open container : en fr
  • CH231305A - Impact drill. : de en
  • US2344381A - Nut : en
  • US2344434A - Variable speed mechanism for machine tools : en
  • US2344327A - Closure : en
  • US2344377A - Key lock and interlock foe cash : en
  • US2344151A - Method and apparatus for treating perishable articles : en
  • US2344187A - Machine tool : en
  • US2344419A - Method of and apparatus for pouncing hats : en
  • US2343949A - Radius dresser for grinding wheels : en
  • US2343963A - Stalk topping and deleafing machine : en
  • US2344122A - Electric lighting equipment : en
  • FR891702A - Tensioner for moving belts : en fr
  • CH231211A - Cistern. : de en
  • AU357441A - Improvements relating to railway traffic controlling apparatus : en
  • CH231277A - Measuring gauge for spark plugs. : de en
  • US2344305A - Corn picker : en
  • CA418960A - Timber cutter-cable chain : en fr
  • FR52391E - Device for obtaining automatically and in all operating conditions the constant dosage of the mixture to be supplied to internal combustion engines supplied with electromagnetic injection : en fr
  • US2344039A - Multiversal machine tool and boring head therefor : en
  • CA418991A - Airplane : en fr
  • ES164589A1 - A DEVICE INTENDED TO REGISTER BY MECHANICAL WAY ELECTRICAL OSCILLATIONS OF ACOUSTIC FREQUENCY : en es
  • US2343907A - Steam boiler : en
  • US2344191A - Crystallizing coating composition : en
  • US2344243A - Grinding machine work head : en
  • CA419044A - Airplane structure riveting method : en fr
  • DE745355C - Centrifugal pendulum for indirectly acting regulators : de en
  • ES164422A3 - A PROCEDURE AND CORRESPONDING MACHINES FOR THE MANUFACTURE OF PAPER TUBES FOR CIGARETTES, WITH OR WITHOUT NOZZLE AND FILTERS : en es
  • ES164478A3 - A CIRCUIT BREAKING APPARATUS WITH MERCURY SWITCH : en es
  • ES164137A1 - A PERFECTION OF THE MACHINES TO SHAVE : en es
  • ES164563A3 - A PROCEDURE FOR THE IMPREGNATION OF FIBROUS ELEMENTS WITH PRODUCTS OBTAINED BY CONDENSATION IN THE PRESENCE OF FORMOL, UREA OR THEIR DERIVATIVES (CARBAMIDE RESIN) : en es
  • ES164644A1 - MAGNETIC VALVE : en es
  • ES164284A1 - A PROCEDURE FOR OBTAINING FATTY ACIDS AND OTHER OXIDATION PRODUCTS : en es
  • CA419064A - Television synchronizing system : en fr
  • ES163706A1 - A PROCEDURE TO RANDALLY DESIRE AND STABILIZE ALL KINDS OF FRUIT AND VEGETABLE VEGETABLES IN GENERAL, CONSERVING THESE INDEFINITELY ALL THEIR NATURAL CHARACTERISTICS : en es
  • FR891704A - Polycylindrical internal combustion engine : en fr
  • GB560001A - Pilot light circuit for radio receivers and the like : en
  • ES163925A2 - IMPROVEMENTS MADE IN THE PURPOSE OF THE MAIN PATENT NUMBER 153109 : en es
  • AU798543A - Improvement In machines for making and filling packages : en
  • CH231204A - Device with corner strips. : de en
  • US2344385A - Grinding wheel tool : en
  • ES164682A1 - NEW PROCEDURE FOR MARKING AND ORNAMENTING CONTAINERS AND OTHER CONTAINERS OR OBJECTS MANUFACTURED WITH SOLIDIFIABLE OR SOLID SUBSTANCES : en es
  • CH231406A - Process for the preparation of a polyazo dye. : de en
  • DE745253C - Method and apparatus for the continuous treatment of pulp suspensions : de en
  • ES164283A1 - MILLING AND DRILLING MILLING MACHINE : en es
  • GB560069A - Improved dust shield for axleboxes of railway vehicles, such as mineral and goods wagons and coaches : en
  • US2343989A - Registering system : en
  • US2344188A - Process of preparing dibenzyl : en
  • CH231354A - Method of operating electromagnetic motors. : de en
  • ES164321A1 - ELECTRIC WELDING PROCEDURE FOR SHEETS LOCATED PERPENDICULAR BETWEEN Si : en es
  • ES164272A1 - A DEVICE FOR MANUFACTURING FLEXIBLE AND ENDLESS PIPES AND COVERS : en es
  • CH231244A - Shoe sole fittings. : de en
  • CH231365A - Circuit arrangement for alternating current telegraphy, in which the separating and character current steps are transmitted as alternating current trains of the same frequency but different phase positions. : de en
  • CA419078A - Building wall : en fr
  • CA419088A - Timing method and apparatus : en fr
  • FR891737A - reduction vice : en fr
  • ES164780A1 - IMPROVEMENTS INTRODUCED IN THE ASSEMBLY OF ELECTRICAL DISTRIBUTION BOXES : en es
  • ES164400A3 - IMPROVEMENTS IN THE ASSEMBLY OF SAILS ON BOATS : en es
  • FR52399E - Friction clutch with automatic centrifugal release : en fr
  • FR891650A - Clamping washer : en fr
  • CH231261A - Procédé de traitement de déchets de cuir tanné, en vue de l'obtention de matières protéiques. : de en fr
  • ES164692A1 - A DISCHARGE PIPE : en es
  • GB559973A - Improvements in or relating to means for effecting movements in accordance with changes of light intensity and to apparatus operated thereby : en
  • US2344438A - Instructive and demonstration apparatus or toy for the construction of various electric machines and devices : en
  • CA419035A - Steam generating and superheating apparatus : en fr
  • CH231294A - Process for the production of sliding machine parts. : de en
  • USD137454S - Design for a lady s hat : en
  • US2344175A - Signal lantern : en
  • US2344314A - Method of producing rotary cutters : en
  • USRE22455E - Valve : en
  • GB560028A - Improvements in coin-controlled vending machines : en
  • GB560076A - Improvements in or relating to assembly devices for i.c. engines : en
  • ES164449A1 - A HOT GAS ENGINE OF MORE THAN ONE CYCLE : en es
  • ES164473A1 - A NEW PROCEDURE FOR THE ELABORATION OF SUPPOSITORIES, OVALS AND ANALOGUE BODIES : en es
  • ES164767A1 - A DISCHARGE PIPE WITH SECONDARY EMISSION ELECTRODE : en es
  • ES164776A1 - A NEW SYSTEM OF ACTIVATION AND ASSEMBLY OF BICYCLES FOR TWO PEOPLE : en es
  • US2344247A - Pile fabric cleaning method and material : en
  • US2344413A - Drive fastener : en
  • US2344216A - Roadway recording apparatus : en
  • US2343861A - Electromagnetically controlled device : en
  • US2344228A - Mixing plant : en
  • ES164684A1 - INSTALLATION TO BOTT A SUSPENDED SERVICE PACK OF SERVIOLAS : en es
  • US2343986A - Airfoil control : en
  • ES164673A1 - A DIMINUTE ELECTRIC MOTOR, UNIVERSAL CURRENT : en es
  • CH231326A - Magneto. : de en
  • US2344073A - Method of making roofing granules : en
  • ES164669A1 - A PROCEDURE FOR THE OPERATION OF CARBON DUST ENGINES : en es
  • US2343885A - Test method and apparatus therefor : en
  • US2344148A - Emergency wheel brake : en
  • US2344467A - Catalytic isomerization : en
  • USD137440S - Design fok a scoop : en
  • USD137469S - Design for a menu card : en
  • ES164312A1 - NEW SOCIOGRAPHIC INSTRUMENT SOURCE : en es
  • US2344407A - Selvedge guard for looms : en
  • ES164450A1 - IMPROVED IMPROVEMENTS IN FLUID PURIFICATION PROCEDURES AND SYSTEMS : en es
  • ES164725A1 - IMPROVEMENTS IN THE PROCEDURE FOR CONSTRUCTION OF THE BULBS OF THE EXPLOSION AND COMBUSTION ENGINES : en es
  • FR891628A - Automatic telephone installation : en fr
  • FR891648A - Self-destructing rocket : en fr
  • ES164510A1 - A NEW CHEMICAL-MECHANICAL PROCEDURE FOR THE OBTAINING OF SYNTHETIC RUBBER FOR THE PREPARATION OF PULIMENTS AND VARNISHES : en es
  • ES164276A1 - PROCEDURE FOR THE OBTAINING OF A PREPARED TO COMBAT THE INSECTS AND HARMFUL ORGANISMS OF SWEET WATER AND SEAWATER : en es
  • FR891747A - System for the ventilation of dryers and apparatus for the realization of this system : en fr
  • US2343894A - Towing truck : en
  • US2344313A - Front apron construction : en
  • USD137442S - Design fob a high chair tray : en
  • US2344250A - Transmission film for glass : en
  • US2344048A - Air conditioning apparatus : en
  • US2344123A - Power lift : en
  • ES164544A3 - AUTOMATIC FEEDING MACHINE FOR SHEETS OF PAPER FOR PRINTING MACHINES IN GRAPHIC ARTS : en es
  • USD137455S - Design for a scarf : en
  • ES164742A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES APPLICABLE TO SOUND DEVICES TO ADJUST THE DEPTH OF TRACING OF THE REGISTER NEEDLE : en es
  • US2343884A - Universal free tape hoist : en
  • ES163601A1 - A MACHINE FOR PRESSING OR PACKING STRAW : en es
  • ES164330A1 - A PROCEDURE FOR STAMPING CELOFANA SHEETS : en es
  • US2344403A - Orchard heater : en
  • FR891730A - Electromagnetic motor for controlling teletechnical devices, more particularly for automatic telephone selectors : en fr
  • US2344201A - Carbon-sheet support for typewriters : en
  • FR891675A - Processes for the preparation of printing blocks : en fr
  • DE745362C - Drive belt for weft insertion needles from needle looms : de en
  • US2344007A - Apparatus for the production of efficient fuel gases : en
  • ES154121A1 - IMPROVEMENTS IN THE MANUFACTURE OF TOYS : en es
  • ES163316A2 - IMPROVEMENTS INTRODUCED TO THE OBJECT GIVES THE MAIN PATENT NO. 160078 : en es
  • US2344043A - Method and device for depicting objects by means of neutrons or x-rays : en
  • US2344044A - Aircraft wing : en
  • US2344278A - Automatic door bottom : en
  • US2344325A - Wire opening container : en
  • US2344218A - Liquid fuel burner : en
  • CA419073A - Refrigerator car : en fr
  • CH231374A - Device for the simultaneous tuning of at least two oscillation circuits. : de en
  • CH231380A - Two-wheeled vehicle convertible into a single-wheeled vehicle. : en fr
  • GB559977A - Improvements in bead locks for the tire and rim assemblies of wheels : en
  • US2343923A - Convertible reclining chair : en
  • USD137434S - Angell folding dental chair : en
  • US2344232A - Apparatus for coating : en
  • US2343899A - Strip feeding mechanism : en
  • GB560024A - Improvements in and relating to well drilling apparatus : en
  • FR891641A - Continuous running automatic dryer device with reverse supply of dry fluid. : en fr
  • ES164491A1 - A MACHINE TO UNDERSTAND ALL KINDS OF FRUIT : en es
  • DE745525C - Use of fabrics, felts, fleeces or loose layers of synthetic threads for filtering purposes : de en
  • ES164355A1 - CHANGE OF REVOLUTIONS VARIABLE INFINITESIMAL : en es
  • DE745587C - Circuit arrangement for reproducing magnetic sound recordings : de en
  • FR891690A - Method and device for tuning electric oscillating circuits as a function of a direct voltage : en fr
  • FR891748A - Nozzle for gasifiers and other generators : en fr
  • ES164513A1 - A DEVELOPMENT IN DEVICES FOR THE ENGAGEMENT AND UNION OF ELEMENTS OR PARTS OF OTHER REMOVABLE OBJECTS : en es
  • ES164701A1 - A BLOOD TRANSFUSION APPARATUS : en es
  • FR891700A - Gas mixer for supplying the start of combustion engines : en fr
  • US2344102A - Nut to be fixed by an adhesive : en
  • US2344392A - Crankcase lubricant and chemical compound therefor : en
  • US2344444A - Construction of turbomachines : en
  • US2344224A - Port-controlled opposed-piston internal combustion engine : en
  • FR891603A - New azo dyes : en fr
  • DE740282C - Photographic release film and release paper : de en
  • ES164523A3 - IMPROVEMENTS IN THE HYDRAULIC SCREENS : en es
  • FR891646A - Direction indicator, especially for motor cars : en fr
  • FR891721A - Method and device for the good reception of oscillations : en fr
  • CH231298A - Tour automatique. : de en fr
  • CA419008A - Multiple cable connector : en fr
  • US2344171A - Tower type antenna : en
  • CH231299A - Collet clamping device. : de en
  • NL56769C - : en
  • ES160833A1 - A PROCEDURE FOR THE PREPARATION OF METALS AND SUBSTANCES RELATED TO OR DIFFICULTLY VAPORIZABLE IN A SOLID STATE UNTIL THE FINEST DISPERSION : en es
  • US2343936A - Till drawer construction : en
  • US2344302A - Revetment and block therefor : en
  • CH231230A - Apparatus with a rotating brush for cleaning teeth. : de en
  • CH231236A - Table sewing machine. : de en
  • US2344309A - Air translating apparatus : en
  • US2343868A - Congealable liquid conditioning device : en
  • DE745356C - Fluid regulators for prime movers, in particular for internal combustion engines : de en
  • US2344344A - Device for oscillographing electrical or mechanical processes : en
  • NL56824C - : nl
  • CA419004A - Optical flat generator : en fr
  • CH231301A - Method and device for lapping the tooth base of spur gears. : de en
  • CH231333A - Method for operating an energy transmission system with high-voltage direct current in the transmission line. : de en
  • CH231267A - Flip calendar. : de en
  • CH231400A - Adjustment screw. : de en
  • DK62012C - Procedure for Separating Yeast from Yeast Suspensions. : da en
  • CH231395A - Process for voltage regulation using transformers in rail vehicles. : de en
  • US2343972A - Novel furfuryl alcohol-formaldehyde acid condensation resinous product and method for preparing the same : en
  • AU694442A - Improvements in portable concrete rodding machine : en
  • CA419028A - Storage battery : en fr
  • CH231219A - Method and device for cooling generator gas in cleaning and cooling systems which are set up for air cooling and which have no or insufficient cooling wind. : de en
  • CH231237A - Thread tensioning device on sewing machines. : de en
  • GB559986A - Improvements in or relating to the bonding of rubber to fabric and the products obtained thereby : en
  • US2344241A - Illuminated bubble level : en
  • CA419033A - Steam purifying apparatus : en fr
  • CH231214A - Process for the manufacture of agglomerates of small dimensions and press for the implementation of this process. : en fr
  • GB559996A - Improvements in or relating to kites : en
  • CA419039A - Merchandizing rack : en fr
  • CA419059A - Production of 2-aminopyrimidine : en fr
  • CH231346A - Converter for heavy current with mechanical contacts. : de en
  • AU118206B2 - Production of magnesium and apparatus therefor : en
  • CH231272A - Device for the automatic development of photographic sheets. : de en
  • FR891656A - Device for joining the casing and the steering devices, for steam and gas turbines for high temperatures and pressures, in particular for vehicles : en fr
  • FR891652A - Printing mold preparation process : en fr
  • DE745520C - Reliable hardening baths : de en
  • ES164645A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NO. 133600 : en es
  • US2343943A - Cake flexing machine : en
  • ES164564A3 - A PROCEDURE FOR THE MANUFACTURE OF SOLID, PRESSED OR MOLDED BODIES, FORMED OF FIBROUS ELEMENTS IMPREGNATED WITH PRODUCTS OBTAINED BY THE CONDENSATION OF UREA (CARBAMIDE) OR ITS DERIVATIVES, IN THE PRESENCE OF FORMOL : en es
  • CH231436A - Method for carrier-frequency multiple transmission of messages on lines. : de en
  • GB559980A - Improvements relating to valves of super-charged internal-combustion engines : en
  • USD137444S - Design fob a toy top : en
  • FR891653A - Projector : en fr
  • GB559942A - Improvements in or relating to the manufacture of plastic compositions : en
  • ES164798A1 - IMPROVEMENTS IN WOOD CARBONIZATION OVENS : en es
  • US2344070A - Radio system for landing aircraft : en
  • US2344303A - Container side seam sealing compound applying apparatus : en
  • CH231423A - Process for the production of a complex polymer from vinyl chloride. : de en
  • ES164292A1 - IMPROVEMENTS IN THE MANUFACTURE OF SANITATION MATERIAL : en es
  • ES164393A1 - A HOT GAS ENGINE OF MORE THAN ONE CYCLE : en es
  • ES164668A1 - IMPROVEMENTS IN METAL SEPARATING MACHINES : en es
  • ES4057Y - Plate with skylight for cement and asbestos roofs. : en es
  • AU761342A - ]Improvements in waist-fitting garments : en
  • CA419000A - Ophthalmic mounting : en fr
  • GB560036A - Improvements relating to gas purifiers : en
  • CA419050A - Thermostatic control device : en fr
  • ES164711A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • US2344143A - Depth gauge, countersink, and drill : en
  • US2344361A - Bit former : en
  • USD137438S - Display device or similar article : en
  • DE745657C - Procedure for preparing minerals before storing them in the ground state for swimming pool processing : de en
  • AU698742A - Apparatus for the recovery of volatilizable metals : en
  • CH231373A - Selector switch. : de en
  • US2344257A - Method and apparatus for stenciling : en
  • US2344062A - Child's vehicle : en
  • US2344031A - Safety belt : en
  • CH231331A - Heat exchangers and processes for their manufacture. : de en
  • DE745552C - Arrangement for supporting swinging half axles for motor vehicles driven by a differential gear : de en
  • ES164480A3 - A CLUTCH MECHANISM, ESPECIALLY APPLICABLE TO AUTOMATIC MACHINES TO CLOSE CYLINDRICAL CAN-LEAF JARS : en es
  • FR891695A - Electric rotary hearth oven for rapid heating of the plots : en fr
  • CA419027A - Storage battery cover : en fr
  • DE745353C - Symmetrical range finder for photographic recordings : de en
  • ES164391A1 - IMPROVEMENTS IN HOUSEHOLD HORSESHOES : en es
  • ES164430A1 - A PROCEDURE TO OBTAIN ARTIFICIAL SUBSTANCES : en es
  • ES163210A1 - A SECURITY PROVISION FOR ELECTRICAL NETWORKS : en es
  • FR891677A - Proportional water distributor : en fr
  • GB560037A - Apparatus for determining the total specific surface or the particle size distribution of powdered materials : en
  • ES164251A1 - A MECHANICAL DEVICE FOR THE HYGIENE SUPPLY OF BLESSED WATER : en es
  • ES164302A1 - IMPROVEMENTS IMPROVED IN SPARK PLUGS FOR INTERNAL COMBUSTION ENGINES : en es
  • CA419037A - Ophthalmic mounting : en fr
  • CH231245A - Dissolver. : de en
  • ES164428A3 - A PROCEDURE FOR THE OBTAINING OF CALCIOCIANAMIDE : en es
  • ES164436A1 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR THE BRAKING OF EXPLOSION ENGINES AND ESPECIALLY OF MARINE ENGINES OF REVERSIBLE MARKING : en es
  • ES164785A1 - A SEPARATION PROCEDURE FOR CENTRIFUGATION OF FINALLY GRANULOSE MATERIALS OF DIFFERENT WEIGHT, CONTAINED IN TURBINE SOLUTIONS AND DEVICE FOR THEIR EXECUTION : en es
  • GB559953A - Improved means for softening thermo-plastic toe puffs : en
  • CH231276A - Device for measuring the thickness of an object. : de en
  • ES164051A1 - A PROCEDURE ED MANUFACTURE OF AN INDUSTRIAL AND AGRICULTURAL HORCA : en es
  • FR891734A - Air saturator for gasifiers with single automatic adjustment or not on the saturation and reheating water : en fr
  • US2344002A - Spinning composition and textile fiber made therefrom : en
  • FR891625A - Agents for drying and softening water : en fr
  • US2343999A - Variable inductor : en
  • DE745214C - Electric thread monitor device for slip gate : de en
  • ES164315A1 - A PROCEDURE TO IMPROVE THE QUALITIES OF REGENERATED FIBERS OF TEXTILE AND COTTON WASTE : en es
  • ES164640A3 - A BAG SYSTEM FOR AVIATOR PARACHUTE PACKAGING030244 : en es
  • FR891714A - Composition replacing copper sulphate for all agricultural treatments : en fr
  • US2343985A - Air separator : en
  • ES164306A1 - IMPROVEMENTS IN FRICTION DEVICES TO REDUCE THE SPEED OF VEHICLES AUTOMOVILES : en es
  • GB559981A - Improvements relating to tube joints : en
  • US2344249A - Electric switch : en
  • ES164538A1 - IMPROVEMENTS INTRODUCED IN THE BRAUN PIPES WITH RECTANGULAR SCREEN : en es
  • AU118227B2 - ]Improvements in waist-fitting garments : en
  • CA419097A - Dyestuff intermediate preparation : en fr
  • CA419084A - Shoe sewing machine : en fr
  • CH231322A - Regulator for maintaining a minimum and a maximum speed, especially for controlling the delivery rate of injection pumps for diesel engines. : de en
  • CA419077A - Pump : en fr
  • CH231247A - Manual device for rolling cigarettes. : en fr
  • CA418978A - Printing press sheet delivery mechanism : en fr
  • GB560041A - A method of and means for attaining constant yield point in the strain hardening of steel by twisting : en
  • CA419093A - Aluminium manufacture : en fr
  • DK62016C - Device by Opmaskenaale. : da en
  • GB559949A - Improvements in or relating to light buoys : en
  • DE745652C - Process for the production of clad blocks by pouring the base metal between the cladding sheets : de en
  • AU850743A - Improved lampshade or hood : en
  • CA418982A - Match extinguisher and receptacle : en fr
  • CA419026A - Storage battery : en fr
  • CH231233A - Spinning plant, particularly applicable to glass spinning. : en fr
  • DE745377C - Flat weft knitting machine, especially cotton knitting machine : de en
  • DE745387C - Process for the production of cation-exchanging synthetic resins : de en
  • US2343863A - Gun sight mounting : en
  • US2344087A - Apparatus for feeding rod-shaped articles onto dipping plates : en
  • US2344318A - Treatment of hydrocarbons : en
  • CH231371A - Device for checking the setting of a selector switch of a group of selector switches of the same type. : de en
  • CH231414A - Process for the preparation of a monoazo dye. : de en
  • CA419018A - Coated glass fabric window shade : en fr
  • CA418972A - Wringer mechanism : en fr
  • CH231367A - Carrier wave transmission installation. : en fr
  • ES164429A2 - IMPROVEMENTS MADE IN THE OBJECT OF PATENT NUMBER 153515 : en es
  • US2344217A - Apparatus for measuring surface roughness : en
  • DE745293C - Developing machine for films : de en
  • CH231234A - Rapier loom. : de en
  • AU118228B2 - Improvements ina solenoid actuated pump : en
  • US2344382A - Camera : en
  • US2344013A - Hardening photographic gelatin : en
  • CH231284A - Lighting device with Fresnel lens. : de en
  • CH231411A - Process for the production of a new azo dye. : de en
  • CH231222A - Suspension device for curtains and drapes with roller balls. : de en
  • DE745272C - Furnace for the heat treatment of small metal parts using ionized gases : de en
  • ES164743A3 - A PROCEDURE FOR THE MANUFACTURE OF TRACING NEEDLES FOR SOUND RECORDING : en es
  • FR891631A - Method for determining the wear of light metal parts protected by an anodic deposit : en fr
  • FR891707A - Covers and binders for albums, notebooks, registers and the like : en fr
  • CA419081A - Electrical rectifier : en fr
  • US2343947A - Wing nut : en
  • CA419051A - Adjustable push grader : en fr
  • NL55877C - : en
  • CA419031A - Scanning oscillation generator : en fr
  • CA419034A - Steam condenser : en fr
  • US2344016A - Corrosion-preventive hydrocarbon oil : en
  • CA419098A - Selenoazolidone preparation : en fr
  • CH231368A - Device for limiting the current in a lamp filament circuit. : en fr
  • AU824443A - Improvements ina solenoid actuated pump : en
  • US2343922A - Tube coupling : en
  • US2344003A - Device for producing incisions in rods or tubes : en
  • US2344346A - Preparation of chlorine dioxide : en
  • US2343950A - Stabilization of vinyl esters : en
  • US2344041A - Valve : en
  • FR891662A - Forklift transporter : en fr
  • CH231382A - Detachable drawbar connection, especially for road vehicle trailers. : de en
  • US2344053A - Automatic drilling machine : en
  • US2344181A - Method of and apparatus for treating cloth : en
  • US2344358A - Method of making forged pistons : en
  • US2344460A - Machine for assembling metal containers : en
  • SE110040C1 - : sv
  • US2343910A - Inker mechanism : en
  • US2344301A - Agricultural implement : en
  • US2344104A - Manufacture of sodium sulphide : en
  • US2344483A - Submarine mine : en
  • US2343929A - Method of treating hides and skins : en
  • US2344113A - Switch : en
  • US2344093A - Combination slip cover : en
  • US2344236A - Auxiliary rudder for stern wheel vessels : en
  • US2344290A - Hydrocarbon conversion : en
  • US2344168A - Filing cabinet : en
  • NL55879C - : en
  • US2344207A - Shutter control with pressure compensation : en
  • US2343957A - Peripheral diamond abrasive wheel and method of making same : en
  • US2343983A - Method of operating on thermoplastic eyelets : en
  • US2344225A - Strip looping device : en
  • ES163861A1 - A PROCEDURE FOR THE OBTAINING OF VITAMIN C : en es
  • ES164269A3 - PROCEDURE FOR OBTAINING CALCIOCIANAMIDE : en es
  • ES164714A1 - AN ELECTRICAL WARNING AGAINST THEFT : en es
  • FR52396E - Improvements to gasifier filters : en fr
  • ES164439A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 153515 : en es
  • ES164289A1 - A PROCEDURE TO DISABLE OR ENABLE, AT WILL, THE FUNCTIONING OF THE ENGINES OF THE MOTORIZED VEHICLES, WITHOUT THE DANGER OF THE DENOMINATED BRIDGES AND PRESCRIBING OF LOCKING ON THE STEERING WHEEL : en es
  • US2344266A - Aircraft propeller construction : en
  • US2344330A - Conversion of hydrocarbons : en
  • FR891655A - Bearing for variable pitch propellers : en fr
  • ES164380A1 - IMPROVEMENTS INTRODUCED IN VERTICAL BORING MACHINES FOR AUTOMOBILE CYLINDERS : en es
  • DE739817C - Device for continuous electrical resistance seam welding of butt-butted sheet metal edges : de en
  • ES164435A3 - A NEW SYSTEM WITH ITS CORRESPONDING DEVICES, TO MAINTAIN A CONSTANT RELATIONSHIP BETWEEN THE QUANTITIES OF MATERIALS SUPPLIED TO A DEVICE AND THOSE DISPLACED BY THE SAME : en es
  • DE745439C - Process for regulating the addition of air or oxygen to the circulating gas during the periodic resuscitation of gas cleaning compounds : de en
  • ES164341A2 - IMPROVEMENTS IN THE PROCEDURE FOR CONSTRUCTION OF REINFORCED CONCRETE FLOORS : en es
  • ES164775A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NO. 161206 : en es
  • ES164504A1 - AN APPARATUS FOR INTRODUCING TREATMENT SUBSTANCES IN GLASS CONTAINERS : en es
  • US2344001A - Process for the production of alkali metal sulphides : en
  • US2344086A - Welding control system : en
  • US2343951A - Reversing door control and switch therefor : en
  • US2344308A - Governor : en
  • ES164314A3 - KITCHEN FRAME APPLIANCE : en es
  • FR891708A - Toy : en fr
  • DE745646C - Coal converter for electrical machines : de en
  • DE745213C - Spinning device : de en
  • ES164656A1 - A PROCEDURE TO MAKE SHAVE LEAVES STAINLESS : en es
  • FR891720A - Flush : en fr
  • ES164353A1 - IMPROVEMENTS IN THE MACHINES FOR RETRATING IN QUICK SERIES : en es
  • DE742564C - Device on valve bag filling machines with tilting saddle for valve bags with crepe cuff or similar sealing devices : de en
  • GB560039A - Improvements in or relating to rear springing for motor-cycles : en
  • ES7019Y - Metal body plug for power looms. : en es
  • FR891744A - Assembly and presentation process for construction toy : en fr
  • GB560067A - An improved target carrying stand : en
  • ES164058A1 - A HYDRAULIC DIRECTION MOTION DEVICE : en es
  • ES164551A1 - A PROCEDURE TO OBTAIN ALKOXI-2 NITRO15 ANYLINES WITH ITS CASE ALKOXI-2 NITRO-4 ANILINAS, CONTAINING AN ALKOXYL GROUP MORE THAN TWO ATOMS OF CARBON : en es
  • ES164549A1 - IMPROVEMENTS INTRODUCED IN THE LUMINOUS SOURCES INTENDED FOR THE OPTICAL EXPLORATION OF A SOUND RECORD : en es
  • DE745694C - Observation device for inaccessible underwater areas : de en
  • GB559955A - Improvements in or relating to means for controlling end play of bearings : en
  • US2344064A - Bench clamp : en
  • US2344260A - Alkali salts of fatty amino compounds : en
  • ES164715A1 - A DEVICE APPLICABLE TO THE LEVER TEMPERATURE REGULATORS FOR INCUBATORS : en es
  • ES164704A1 - A PROCEDURE FOR THE OXIDATION OF SYNTHETIC PARAFFINS : en es
  • GB559969A - Improvements in the manufacture of mower fingers : en
  • NL55885C - : en
  • US2344179A - Ethyl ether of dextran : en
  • US2344209A - Fishing reel : en
  • USD137456S - Design for a dress : en
  • US2343976A - Combined steering post and ignition lock : en
  • GB559995A - Improvements in apparatus for cutting continuous filaments into staple fibre : en
  • GB559989A - Process for the conversion of hydrocarbons : en
  • US2344439A - Apparatus for burning liquid fuels : en
  • US2343878A - Humidity measuring and control apparatus : en
  • US2344063A - Weed-destroying preparation : en
  • GB560064A - Improvements relating to stoves for drying foundry moulds and cores, and for other analogous purposes : en
  • ES164569A3 - A PROCEDURE FOR THE FORMATION OF CONTINUOUS PIECES WITH PLASTIC MATTER : en es
  • US2344472A - Photographic flash synchronizer equipment : en
  • FR891615A - Lighting equipment for mining in mines : en fr
  • ES164571A1 - DEVICE FOR DELETING THE UNBALANCED SPINDLE OF THE SHAFTS, PARTICULARLY IN THE LATHES AND OTHER TOOL MACHINES : en es
  • ES164375A1 - IMPROVEMENTS INTRODUCED IN AUTOMATIC GUNS : en es
  • GB559971A - Improvements in or relating to illuminating devices for episcopic projection apparatus : en
  • GB559998A - Composite structural metal panel : en
  • ES164258A3 - PROCEDURE FOR HOT GLUING : en es
  • ES164552A1 - A PROCEDURE TO PREPARE A PROTECTION MEANS FOR PLANTS : en es
  • ES164750A1 - A KAPLAN TURBINE WITH MOVABLE WHEEL PALETTE DISPLACABLE BY A REGULATOR : en es
  • ES164459A1 - A PROCEDURE FOR OBTAINING PARTS FOR FLOORING OR SLEEPING WITH SIDE STRIPS FOR FOOTWEAR CONFECTION : en es
  • US2343964A - Winding mechanism : en
  • ES164555A1 - AN INSTALLATION TO BOTT A SUSPENDED RESCUE BOTTLE OF CURVED SERVICE, ROTATING EVERY ONE AROUND A VERTICAL AXIS : en es
  • US2344051A - Cable car and spinner attachment : en
  • ES164748A3 - IMPROVEMENTS INTRODUCED IN THE SOUND RECORDING AND REPRODUCTION APPARATUS AND A SUPPORT CONSTITUTED BY AN ENDLESS TAPE WRAPPED ON A REEL : en es
  • ES164496A1 - AN EQUIPMENT CONSISTING OF A PERFECTED ACETYLENE TORCH : en es
  • US2344014A - Warning signal : en
  • US2344112A - Gyroscopic device : en
  • FR891718A - Friction wheel drive device : en fr
  • FR891694A - Plane : en fr
  • FR891746A - Resistance adjustable by degrees : en fr
  • FR891613A - Hollow tubular pipe for the propagation of very short electrical waves : en fr
  • GB560005A - Improvements in photographic processing apparatus : en
  • ES164268A3 - PROCEDURE FOR GRINDING CALCIUM CARBIDE : en es
  • ES164420A1 - A PROCEDURE TO DEPARAFINE MINERAL OILS : en es
  • ES164744A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR AUTOMATIC RECORDING OF TELEPHONE CONVERSATIONS : en es
  • ES164570A1 - HYDRAULIC PROPULSION SYSTEM OF ACTION AND REACTION, APPLICABLE TO RAPID BOATS AND OTHER SHIPS : en es
  • US2344332A - Apparatus for truing grinding wheels : en
  • US2344341A - Speed changing device : en
  • GB559984A - A method of and means for producing canned skinless sausages : en
  • GB560023A - Improvements in or relating to light beacons : en
  • US2344071A - Surgical stitching apparatus : en
  • US2343975A - Process and apparatus for uniting sheets of thermoplastic materials : en
  • ES164352A3 - PROCEDURE FOR THE MANUFACTURE OF HOLLOW MOLDED RUBBER OBJECTS : en es
  • FR891726A - Elastic coupling : en fr
  • IE16552L - Production of starch : en
  • USD137473S - Design for an offset double propeller : en
  • ES164647A1 - PROCEDURE FOR THE MANUFACTURE OF EXOTHERMAL MATERIAL INTENDED FOR HAIR WAVE : en es
  • GB559944A - Method of treating ores and treatment agent therefor : en
  • FR891678A - Toggle transmission control device : en fr
  • GB560072A - A method of cooling liquid chocolate masses : en
  • CH231383A - Truck for lifting and moving bulky, heavy objects. : de en
  • US2344154A - Sulphonation process : en
  • US2344049A - Shuttle slider : en
  • US2344322A - Cable anchor : en
  • US2344420A - Machine tool : en
  • NL55922C - : en
  • ES164282A1 - A PROCEDURE FOR THE MANUFACTURE OF VINYL CHLORIDE : en es
  • US2343915A - Piston ring : en
  • ES163072A1 - A PROCEDURE TO OBTAIN FOODSTUFFS : en es
  • FR891692A - Ultra-short electric oscillation generator : en fr
  • DK62032C - Liquid brake for Sagittarius. : da en
  • GB560025A - Mechanism for transmitting linear movement : en
  • CH231212A - Suspension device, in particular for items of clothing. : de en
  • CH231231A - Device for canning fruit and other mashed food products. : en fr
  • US2343970A - Plate for storage batteries and method for producing the same : en
  • US2344222A - Double walled sheet metal structure : en
  • ES164755A1 - A RECEIVING PROVISION FOR ALTERNATE CURRENT TELEGRAPH INSTALLATIONS : en es
  • ES164477A1 - IMPROVEMENTS IN THE SYNTHETIC CONTROL SYSTEM IN RADIO-RECEPTORS APPARATUS : en es
  • ES164565A1 - A PROCEDURE FOR THE MANUFACTURE OF CASCABELES : en es
  • ES164662A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF ACCUMULATORS WITH THIN PLATES : en es
  • US2344329A - Fractionating equipment : en
  • USRE22456E - Cabinet : en
  • ES164539A1 - IMPROVEMENTS INTRODUCED IN BURNERS FOR LIQUID FUELS : en es
  • GB560074A - Improvements in or relating to tool holders for lathe and like machine tools : en
  • US2344206A - Method and apparatus for providing lifting hooks and recesses in concrete blocks : en
  • US2344428A - Burner for fluid fuel : en
  • CA419043A - Classifying system for pulverized materials : en fr
  • CA419099A - Battery terminal : en fr
  • US2344431A - Microphone phase compensator : en
  • US2344146A - Computer : en
  • CH231358A - Three-phase electrode crucible salt bath furnace. : de en
  • US2343913A - One-piece safety razor : en
  • US2344319A - Method for the purification of titanium tetrachloride : en
  • US2343935A - Winding machine : en
  • CA418999A - Cement mixture plasticity increasing method : en fr
  • US2343996A - Pneumatic cushion : en
  • US2344334A - High voltage winding : en
  • FR891742A - Foundry mold : en fr
  • DE745340C - Body care products : de en
  • CH231403A - Process for the preparation of a polyazo dye. : de en
  • GB560008A - Improvements in optical systems for modulating light beams : en
  • US2344180A - Soluble benzyl ether of dextran : en
  • DE745651C - Device for stereoscopic vision and binocular eye vision testing : de en
  • DE745440C - Process for the reverse development of photosensitive halogen silver emulsion layers without intermediate exposure : de en
  • ES164448A1 - A MOUNTING INTENDED TO TRANSMIT ELECTRICAL OSCILLATIONS OF VERY HIGH FREQUENCIES : en es
  • GB560052A - Improvements in or relating to coin-freed mechanism for gas or similar meters : en
  • US2344298A - Resistor device : en
  • US2344423A - Fastener : en
  • US2344351A - Gangway connection between two vehicles coupled to each other, particularly flexiblegangway bellows for railway carriages : en
  • US2344074A - Process for manufacturing litmus dyestuffs : en
  • US2344028A - Compressor : en
  • CA418969A - Toilet paper roll wrapping machine : en fr
  • CH231255A - Process for the preparation of a dye intermediate. : de en
  • US2344135A - Laundry drying machine : en
  • US2344005A - Liquid-dispensing apparatus : en
  • US2344372A - Means for easily delivering paper, such as wrapping paper : en
  • FR891697A - Reduced rotor drive turbines : en fr
  • CH231325A - Piston ring, in particular for internal combustion engines, and method for its production. : de en
  • US2344024A - Broach and a method of preparing the same : en
  • US2344244A - Catalytic hydrogenation of nitro compounds : en
  • US2344299A - Hydraulic actuating mechanism : en
  • NL55979C - : en
  • US2344235A - Corn sheller : en
  • CH231283A - Device for tensioning a coherent, flexible structure with a very small cross-section in relation to its length. : de en
  • AU749042A - Improvements in and relating to starting switches : en
  • DE739655C - Kitchen cabinet consisting of separately manufactured upper and lower part : de en
  • US2344161A - Exhibition case construction : en
  • DE745568C - Manufacture of zinc cups, especially for galvanic elements, by pressing round blanks : de en
  • CH231265A - Process for the production of paper with a content of mineral fibers, in particular slag wool or glass wool. : de en
  • CA419080A - Electrical rectifier : en fr
  • CH231388A - Device for actuating the brakes of vehicles. : de en
  • US2344226A - Production of isophorone : en
  • US2344368A - Rail clamp : en
  • CA419085A - Shoe manufacturing machine : en fr
  • US2344389A - Process foe the preparation of dye : en
  • US2344424A - Welded pipe installation : en
  • FR891643A - Gasifier filter : en fr
  • CH231385A - Cooling device on vehicles with water-cooled rear engine. : de en
  • CA419076A - Cinematographic masking method : en fr
  • CH231263A - Electroplating device with rotating electroplating drum. : de en
  • ES164354A1 - A PROCEDURE FOR DECORATING MEDALS AND SIMILAR METALLIC OBJECTS IN GENERAL : en es
  • CH231413A - Process for the production of a new azo dye. : de en
  • US2344476A - Abrading apparatus : en
  • CH231248A - Method and device for the thermal conversion of gases. : de en
  • ES164488A1 - AN APPARATUS TO OBTAIN HOMOGENEOUS MIXTURES OF SOLID, LIQUID OR PASTOS FOOD PRODUCTS : en es
  • US2344145A - Refrigerating apparatus : en
  • ES164812A1 - A PROCEDIMEITO FOR THE MANUFACTURE OF DORSOS FOR METALLIC BUTTONS, LINED OR NOT : en es
  • FR891668A - Device applicable to typewriters, accounting machines or the like for engaging one or more attached sheets : en fr
  • DE742450C - Process for the production of wool-like acetate threads : de en
  • CH231282A - Device for removing exposed film from a corpuscular beam apparatus. : de en
  • US2344379A - Article intended for sport : en
  • CH231275A - Automatic firearms shutter blocking device. : en fr
  • CH231197A - Manure crusher. : de en
  • CA419029A - Storage battery plate : en fr
  • US2343904A - Safety ignition device for gas : en
  • US2344231A - Remote control and supervisory system : en
  • US2344374A - Lady's undergarment : en
  • CH231223A - Holder for tea portions packed in bags. : de en
  • CH231289A - Clockwork movement with motor barrel. : en fr
  • CH231297A - Automatic lap. : en fr
  • US2344012A - Amplitude range control in signal transmission systems : en
  • CA419012A - Glass envelope sealing apparatus : en fr
  • CH231278A - Tripod for geodetic devices. : de en
  • US2343875A - Machine tool : en
  • US2344396A - Compression or depression pump of the liquid ring type : en
  • CH231287A - Storage in small devices such as clocks. : de en
  • CH231303A - Process for cleaning workpieces by means of a sandblasting machine and a sandblasting machine to carry out this process. : de en
  • US2344291A - Liquid fuel stove : en
  • US2344401A - Horseshoe type motor : en
  • CA419048A - Dental syringe : en fr
  • ES164414A1 - IMPROVEMENTS IN THE PHOTOGRAPHIC AND CINEMATOGRAPHIC OPTICS : en es
  • US2344065A - Cutting or drilling device : en
  • USD137447S - Embroidered trimming or similar article : en
  • CA419068A - Sealed container : en fr
  • CA419095A - Dye manufacture : en fr
  • US2343880A - Method of printing serial numbers : en
  • US2344384A - Air conditioning : en
  • US2344414A - Presser mechanism for sewing machines : en
  • CH231296A - Method and apparatus for restoring worn reamers. : de en
  • FR891684A - Running water engine : en fr
  • ES164389A1 - A PROCEDURE FOR THE MANUFACTURE OF SULFONILUREAS : en es
  • US2343864A - Welder's mask or helmet : en
  • US2344281A - Stock feed for papermaking machines : en
  • CA419086A - Shoe manufacturing machine : en fr
  • FR891651A - Hydraulic device for actuating landing gear or the like retractable inside the airplane as well as the flaps closing the passage openings : en fr
  • FR891719A - Jumper attachment for retaining laundry and fabrics on clotheslines and others : en fr
  • US2343895A - Vapor generator : en
  • US2344297A - Deep well firing mechanism : en
  • AU118201B2 - Improvements relating to railway traffic controlling apparatus : en
  • USD137436S - Design for a necktie holder : en
  • US2344272A - Grip or container vehicle : en
  • US2344103A - Method for conducting contact catalyst conversions of fluid reactants : en
  • US2343968A - Pelt or case form : en
  • US2344133A - Fluid system control : en
  • AU118210B2 - Apparatus for producing magnesium by thermal reduction : en
  • US2343993A - Leveling device : en
  • CA419017A - Enamel coating : en fr
  • CH231425A - Process for the preparation of an aminotriazine-formaldehyde reaction product. : de en
  • US2344082A - Shock absorber : en
  • US2344442A - Cutting-off blade : en
  • US2344095A - Therapeutically active tetrahydro : en
  • DK62022C - Turntable for Gramophones. : da en
  • GB559959A - Improvements in or relating to screw and nut fastening devices : en
  • ES164408A1 - A PROCEDURE TO MANUFACTURE A PLASTIC TISSUE : en es
  • ES164497A1 - A PROCEDURE FOR THE MANUFACTURE OF CLAYS OF SOLE FIBER COVER, BY VULCANIZATION, OF A RUBBER COVER : en es
  • GB560006A - Improvements in and relating to pre-fabricated structural elements and to buildings made therefrom : en
  • GB560017A - Improvements in or relating to cathode ray type tuning indicators : en
  • ES164378A3 - A SANGRÍA FURNACE FOR THE PRODUCTION OF CARBIDES OR CYANIDES FROM TERREOALKALINES, FOR THE OBTAINING OF PHOSPHORUS AND FOR OTHER SIMILAR FUSION PROCESSES : en es
  • GB559963A - Improvements in and relating to bessemer converters : en
  • US2344433A - System of control for boats : en
  • CH231273A - Porte-plume permettant d'utiliser des plumes de même largeur mais plus courtes que celles utilisées avec les porte-plumes usuels. : de en fr
  • US2344289A - Composition containing a diamino diazinyl substituted-alkyl sulphide : en
  • US2344399A - Clutch control mechanism : en
  • CA419007A - Transformer mechanism : en fr
  • CH231343A - Electrical resistance device with variable resistance. : de en
  • US2344085A - Process for the polymerization of alkoxy-butadienes : en
  • US2344036A - Sizing tool : en
  • US2344227A - Juicer support : en
  • US2344059A - Match packet and method of making it : en
  • US2344200A - Recording machine : en
  • CH231417A - Process for the preparation of a monoazo dye. : de en
  • US2344345A - Addressing machine : en
  • US2343958A - Cutting tip with diverging outlet : en
  • USD137466S - Design for a combined sole and heel of a shoe : en
  • CH231221A - Gas filters for wood gas and charcoal gas generators. : de en
  • CA419074A - Pre-gelatinized starch : en fr
  • AU851343A - Improved vapouriser and burner unit for oil fuel domestic cookers and the like : en
  • CH231332A - Heat exchanger of the spiral sheet design with two looping spiral channels that are firmly closed at one end. : de en
  • CA419065A - Milling machine device : en fr
  • DE745668C - Oven with longitudinal air circulation : de en
  • US2343892A - Rope structure and method of making same : en
  • CA419010A - Feed-back circuit : en fr
  • US2344166A - Rolling mill : en
  • US2344470A - Paper treatment : en
  • ES163997A1 - IMPROVEMENTS IN THE MANUFACTURE OF TRANSPORTATION AND SIMILAR BOXES : en es
  • GB559952A - Improvements in or relating to knitting machines : en
  • CH231364A - Printing telegraph device. : en fr
  • US2344177A - Burner : en
  • US2344160A - Electric lamp : en
  • US2343901A - Compound hydraulic compressor : en
  • US2343862A - Thermal relay unit : en
  • US2343925A - Metallic finish enamel : en
  • CA418968A - Bag handle and closure : en fr
  • CA419056A - Alloxazine and isoalloxazine production : en fr
  • US2344234A - Key identifier : en
  • CH231259A - Process for the production of stoving enamels. : de en
  • CH231398A - Propeller with self-adjusting blades. : de en
  • USD137437S - Design tor an infant s chair : en
  • US2344140A - Electroautomatic document collector and distributor : en
  • CH231220A - Equipment on wood and charcoal gas generation plants to keep the gas temperature at the entry into the filter constant for the purpose of adapting to the outside air temperature. : de en
  • CA419015A - Emulsion colour fog formation preventing method : en fr
  • CH231335A - Non-metallic electrical resistance ground. : de en
  • US2343917A - Electric circuit breaker with compressed fluid blowout : en
  • US2344445A - Material for charging furnaces : en
  • US2344480A - Process for obtaining soluble beryllium compounds starting from ores containing beryllium : en
  • DE745473C - Process for the production of high molecular weight polycondensation products suitable for shaping : de en
  • CH231199A - Carrier. : de en
  • DE745494C - Process for the production of substances or spaces that protect against poisonous gas : de en
  • ES164527A1 - A MECHANISM FOR THE GRADIATION OF THE LENGTH OF THE UNION STAPLES, IN THE MACHINES TO MOUNT SANDALS AND SIMILAR : en es
  • CH231366A - System for the exchange of messages by means of modulated high-frequency carrier currents. : de en
  • CA418970A - Wringer mechanism : en fr
  • AU849943A - Improvements in hand supported pneumatic percussion tools for rivetting and like operations : en
  • ES164689A1 - A CONTROL DEVICE FOR ADJUSTABLE TILT HEELS : en es
  • AU123717B2 - Induction coils : en
  • CA418979A - Tire chain tool : en fr
  • DE745701C - Valve lifters, especially for internal combustion engines : de en
  • ES164511A1 - A NEW CLOSED SEALING SYSTEM FOR REMOVABLE PACKING BOXES : en es
  • US2344129A - Automatic switch for compartment lights : en
  • US2343920A - Textile treatment process : en
  • US2343906A - Coating machine : en
  • US2344417A - Fair-lead device for winding drums : en
  • USD137470S - Combined wallet and case for keys and similar items : en
  • CA418964A - Road paving machine : en fr
  • CH231227A - Diving device for the preparation of infusion beverages. : de en
  • ES164467A1 - IMPROVEMENTS IN THE OBTAINING OF SULFURIC ETHER : en es
  • CH231328A - Crankshaft for in-line internal combustion engines. : de en
  • US2344426A - Bevel method sawing : en
  • DE745527C - Steam generator with forced water delivery : de en
  • CH231407A - Process for the preparation of a polyazo dye. : de en
  • GB559957A - Production of acrylic acids, heterocyclic acrylic acids, aryl alkenes and heterocyclic alkenes : en
  • US2344336A - Excavating tool : en
  • FR891633A - Apparatus for sorting, dehydrating or washing fibrous material in suspension : en fr
  • FR891665A - Hardened snow scraper : en fr
  • CH231440A - Adjustment device on counter-rotating propellers. : de en
  • GB560050A - Improved pigments : en
  • CH231198A - Method and device for growing mushrooms. : de en
  • ES163451A1 - IMPROVEMENTS IMPROVED IN THE PROPULSION AND MANEUVER OF BOATS : en es
  • ES164674A1 - IMPROVEMENTS IN ELECTRIC MOTOR VEHICLES AND SIMILAR VEHICLES : en es
  • FR891654A - Projection box device : en fr
  • CH231336A - Fixing device for cable lines. : de en
  • GB559966A - Improvements in or relating to wearing apparel for resisting toxic liquids : en
  • CH231329A - Cable connector for spark plugs with a shielding cover. : de en
  • ES164542A3 - IMPROVEMENTS IN PNEUMATIC HAMMERS : en es
  • US2344115A - Rope drum with regulable hydraulic drive, especially for lifts : en
  • US2344213A - Production of polymerization products from isobutylene : en
  • US2344242A - External-internal cylindrical grinding machine : en
  • ES164464A1 - IMPROVEMENTS IN THE MACHINERY FOR MANUFACTURING PLATES OR PLATES AND OTHER UTENSILS OF FIBROUS MATERIALS : en es
  • ES164658A1 - A DEVICE TO LIMIT UNDERWRITING WRITING IN WRITING MACHINES : en es
  • ES164679A1 - PROCEDIMEINTO FOR THE MANUFACTURE OF HEATING TUBES, FORMING SOLARLY THE RESISTANCE, THE REFRACTORY AND THE METAL PROTECTION : en es
  • ES164515A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 162868 : en es
  • FR891659A - Skin cleansing product : en fr
  • GB559940A - Improvements in or relating to sighting apparatus for use on aircraft and for like purposes : en
  • ES164361A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF STYLOGRAPHIC INSTRUMENTS WITH PUNTA DE BOLILLA : en es
  • GB560000A - Improvements in or relating to multiple glass sheet units : en
  • US2344328A - Coke burning method : en
  • FR891638A - Hydraulic speed change : en fr
  • DE745467C - Softener for highly acylated celluloses : de en
  • FR891672A - Dental lathe right angle locking system : en fr
  • US2343933A - Method of making connectors : en
  • US2344333A - Railway traffic controlling apparatus : en
  • DE745454C - Brush holder block for high-speed electrical machines : de en
  • GB560009A - Improvements relating to machines for effecting straightening or other operations on metal tubes or bars : en
  • US2344275A - Bearing : en
  • ES164731A1 - A SUBMARINE POLLING INSTALLATION : en es
  • ES163842A1 - A PROCEDURE FOR MANUFACTURING TOOLS FOR CUTTING MARBLE AND PRODUCTS OR PETAL MASSES : en es
  • DE745489C - Lifting and swiveling device for low load conveyors on loading bridges : de en
  • ES164421A1 - A PUMP DENTED OF SILENT GEARS AND PROCEDURES FOR ITS MANUFACTURE : en es
  • ES164683A1 - THREAD TENSION DEVICE FOR COTTON RECTLING MACHINES : en es
  • GB560056A - Improvements in or relating to the cylinders of engines, pumps and the like : en
  • US2344237A - Foundation garment : en
  • US2343928A - Production of colored film-forming materials : en
  • US2344019A - Composition and method for preserving wood : en
  • ES162941A1 - IMPROVEMENTS IN RETAINING VALVES, ESPECIALLY FOR BODIES THAT CAN BE INFLATED, LIKE FLOATING VESTS AND PNEUMATIC PADS : en es
  • ES163371A1 - AN INTERLOCKING DEVICE FOR HIGH VOLTAGE SWITCHES : en es
  • US2344037A - Stroboscopic timing and testing of diesel and similar engines : en
  • ES164786A1 - A PROCESS OF MANUFACTURE OF PHENYLACETIC ACID OF SUBSTITUTED NUCLEUS : en es
  • ES164266A1 - MANUFACTURE PROCEDURE OF SCREWS : en es
  • ES164452A1 - AN APPARATUS PERSONAL CARTRIDGES : en es
  • US2343900A - Compound hydraulic brake compressor : en
  • US2344310A - Purse structure : en
  • CA418984A - Building structure : en fr
  • CA419022A - Pneumatic tool : en fr
  • ES164339A3 - AN APPARATUS FOR PLACING, FOCUSING, VERIFYING, CHECKING AND CONTROLLING THE POSITION OF THE FILAMENT IN ELECTRIC INCANDESCENCE LAMPS : en es
  • DE745375C - Process for the preparation of a monoazo dye : de en
  • DK62030C - Lengthwise on welded stumps for cans and similar containers of black tin. : da en
  • CA419005A - Fabric tubing manufacture : en fr
  • DK62035C - Apparatus for distributing piece-, grain- and powder-shaped Material over Surfaces. : da en
  • ES164291A1 - A NEW PROCEDURE FOR THE OBTAINING OF ALUMINUM AND ITS ALLOYS : en es
  • GB560068A - Improvements in and relating to the braking of cars and bogies used in conjunction with travelling suspended cars, aircraft or the like : en
  • CA418980A - Mechanical remote control means : en fr
  • CH231224A - Device for stretching and holding sheets on the lying surfaces of beds and other sleeping areas. : de en
  • CH231250A - Process for the production of chlorine dioxide. : de en
  • US2344383A - Shoring for portable drilling rigs : en
  • US2344412A - Closure for battery box covers : en
  • DE745505C - Attachment of retaining screws to glass roof bars : de en
  • US2344296A - Means and method for cathode ray oscilloscope observation and recordation : en
  • FR891688A - Articulated trident holder with protective guard for underwater rifles : en fr
  • US2343948A - Rotary motor : en
  • US2344349A - Wheel balancing machine : en
  • CA419014A - Photographic film : en fr
  • CH231216A - Device for displaying a quantity of good solid physical state in a container, e.g. B. dusty, granular or lumpy material, in particular for displaying a fuel supply in motor vehicle gas generators. : de en
  • US2344449A - Treating hydrocarbon fluids : en
  • ES164751A1 - A PROCEDIMEINTO FOR PREPARING GRANE FLOURS OF CEMENT IN THE FORM OF CEMENT CLINKER BY THE METHOD OF CONCRETION AND ABSORPTION SHOULDER : en es
  • CH231404A - Process for the preparation of a polyazo dye. : de en
  • US2344098A - Combination pressing and steaming iron : en
  • US2343997A - Stabilized vinyl resin coating : en
  • US2344097A - Heater for permanent waving : en
  • GB560061A - Improvements in and relating to methods of welding : en
  • ES164590A1 - A DEVICE CONTAINING AN ALTERNATIVE MOTION BODY AND A TRAILER DEVICE LINKED BY A ROD : en es
  • USD137467S - Design for a dress : en
  • USD137468S - Design for a food dehydrator : en
  • GB560010A - Improvements in or relating to carburetters for internal combustion engines : en
  • US2344061A - Preparation of 1-chloro-1-fluoro ethylene : en
  • CH231240A - Brassiere. : de en
  • FR891602A - Device for adjusting range in firearms : en fr
  • GB560019A - Indicating instruments for aircraft : en
  • ES164264A1 - IMPROVEMENTS IN THE MANUFACTURE OF RUBBER TACOS FOR TELESCOPES : en es
  • DE745559C - Process for obtaining quaternary heterocyclic nitrogen compounds : de en
  • DK62021C - Central heating boiler of the Combustion type. : da en
  • ES164498A1 - A PROCEDURE FOR OBTAINING MOLDED ACTIVE CARBON : en es
  • FR891607A - Improvements in devices for recovering fibers contained in waste liquids : en fr
  • ES164254A3 - IMPROVEMENTS MADE IN THE MOLDS TO MANUFACTURE BUTTONS AND RELATED ITEMS OF SYNTHETIC RESINS OR OTHER PLASTIC MATERIALS : en es
  • ES164438A1 - A PROCEDURE FOR AGGLOMERATING ALL CLASS OF MINERAL OR VEGETABLE CARBON : en es
  • US2343860A - Sulphur product and method of producing same : en
  • US2343872A - Logging trailer : en
  • US2344453A - Collating and posting device : en
  • US2343932A - Staple magazine and feed means for stapling machines : en
  • US2344284A - Comb frame for beehives : en
  • US2344427A - Adhesive applying mechanism : en
  • ES164489A3 - A PROCEDURE FOR OBTAINING JELLY PRODUCTS, MAINLY DRY MUCILAGES, BASED ON ALGAE AND MARINE LIQUENS : en es
  • CA419003A - Precision cylindrical surface generating device : en fr
  • ES163465A1 - A PROCEDURE FOR THE MANUFACTURE OF A PRODUCT DRAFTING OF INK AND PHOTOGRAPHIC SURFACES : en es
  • ES164493A1 - A PERFECTION IN THE OBTAINING OF THE CICLOHAXANONOXIMA : en es
  • US2343934A - Lipstick holder : en
  • US2344008A - Box structure : en
  • NL56028C - : en
  • ES163955A1 - AN AUTOMATIC MACHINE FOR THE MANUFACTURE OF TURNED PIECES OF VARIOUS PLASTIC MATERIALS, AND ESPECIALLY, MUD, EARTH AND PORCELAIN : en es
  • ES164401A1 - AN APPARATUS TO PULLOVER THE FRUITS OF THE CAFETO : en es
  • FR52395E - Combinable tandem bicycles : en fr
  • FR52400E - Improvements in agglomeration and the use of non-liquid fuels : en fr
  • FR891736A - Installation of gas turbines : en fr
  • GB559994A - Improvements in the manufacture of red lead : en
  • GB559978A - Improvements in or relating to means for reducing the surge voltage when an inductive circuit is interrupted : en
  • CA419055A - Erythroidine isolation from species of erythrina : en fr
  • CH231246A - Process for the production of microorganisms and the device for carrying out this process : de en
  • CH231279A - Procedure for testing materials using an indenter and an apparatus for performing this procedure. : de en
  • ES164405A1 - IMPROVEMENTS INTRODUCED IN THE PUMPS INTENDED TO FEED THE EXPLOSION ENGINES OF HYDROCARBONS : en es
  • ES164583A1 - PROCEDURE FOR THE MANUFACTURE OF SUSTAINTS INTENDED FOR SYSTEMS OF ELECTRODES OF DISCHARGE CONTAINERS : en es
  • FR52381E - Improvements to circuit breakers : en fr
  • US2343867A - Congealable liquid conditioning device : en
  • US2343946A - Leaf cutting mechanism : en
  • GB559941A - Improvements relating to ion-exchange materials : en
  • ES164277A1 - A NUMERICAL COMBINATION LOCK : en es
  • CH231439A - Plane. : de en
  • GB559948A - Improvements in the manufacture of intaglio printing plates and cylinders : en
  • ES6340Y - Perfected sneakers. : en es
  • GB559954A - Airplane structures : en
  • DE745583C - Injection molding machine with piston pressure : de en
  • ES164557A1 - IMPROVEMENTS IN THE MANUFACTURE OF SHAVING MACHINES : en es
  • FR891674A - Wood dryer : en fr
  • ES164348A1 - AN APPARATUS FOR THE COLLECTION OF POTATOES AND OTHER TUBERS : en es
  • FR891682A - Convertible rifle, its mechanism and method of construction : en fr
  • US2344367A - Bird feeder : en
  • CA418996A - Engine cylinder head : en fr
  • CH231218A - Device for the continuous production of acetylene from calcium carbide and water vapor or finely divided water with the production of practically dry hydrated lime. : de en
  • US2344233A - Convertible sprayer : en
  • US2343902A - Method of making cigars : en
  • FR891637A - Process for the preparation of sulfonamide derivatives : en fr
  • GB559992A - Improvements in or relating to the production of naphthalene : en
  • FR891616A - Centering chuck for insertion into the work spindle of a machine tool such as a coordinate drill : en fr
  • US2344035A - Tube nose forging furnace : en
  • US2343858A - Method and apparatus for coating : en
  • US2343940A - Brake arrangement : en
  • US2344089A - Separation of fatty acids from rosin acids : en
  • US2344045A - Valve wheel : en
  • ES164535A1 - A PROCEDURE FOR THE OBTAINING OF A MEANS TO COMBAT ANIMAL PARASITES OF THE SOIL : en es
  • GB560040A - Improvements in or relating to the manufacture of lactams : en
  • US2343916A - Apparatus for loosening yarn packages : en
  • US2344422A - Watchcase : en
  • US2344446A - Apparatus for depositing material under water : en
  • FR891703A - Opposed piston internal combustion engine : en fr
  • US2344312A - Skip or hopper agitating and raising means : en
  • FR891686A - Quick, outboard control providing optional ejector spring over-compression in underwater guns : en fr
  • GB559972A - Improvements in or relating to permutation or combination locks : en
  • AU120628B2 - Improvemennts in or relating to elecrical fuses : en
  • ES164586A1 - PROCEDURES FOR THE OBTAINING OF CONDIMENTS OR BOILS FOR SOUPS, BY MEANS OF HYDROLYTIC LIQUEFACTION OF MIXES OF ANIMAL AND VEGETABLE RAW MATERIALS : en es
  • FR891657A - Operating mechanism for rotary drawers : en fr
  • FR891664A - Oven coating : en fr
  • US2343942A - Piston ring : en
  • US2343944A - Extensible antenna : en
  • US2344214A - Refrigeration : en
  • CH231285A - Microscope with a fine adjustment device arranged in its lower part. : de en
  • US2343893A - Vulcanizer : en
  • USD137462S - Emblemmatic badge or similar article : en
  • USD137472S - Design for a single-blade propeller : en
  • CH231405A - Process for the preparation of a polyazo dye. : de en
  • AU118203B2 - Improvements in portable concrete rodding machine : en
  • US2344094A - Jig : en
  • US2344246A - Material digging and handling apparatus : en
  • US2344365A - Bowling pin reconditioning apparatus : en
  • US2344267A - Proteinous compositions and their process of production : en
  • CH231225A - Steel cabinet. : de en
  • CH231320A - Two-stroke internal combustion engine. : de en
  • CH231408A - Process for the preparation of a polyazo dye. : de en
  • CH231435A - Method for carrier-frequency multiple transmission of messages on lines. : de en
  • AU118215B2 - Improvement In machines for making and filling packages : en
  • US2343961A - Film take-up : en
  • CH231419A - Process for the preparation of a monoazo dye. : de en
  • US2343977A - Latching mechanism for drawers and the like : en
  • US2344295A - Luminaire : en
  • US2344461A - Orienting mechanism : en
  • US2344477A - Glove : en
  • US2344018A - Submarine paint : en
  • US2344027A - Production of carbon black : en
  • US2344409A - Photographic camera : en
  • US2344316A - Testing system : en
  • US2344450A - Vibratory feed control mechanism : en
  • DK62014C - Bearing system for visible Indication by Bearing according to the Goniometer method. : da en
  • GB560046A - Improvements relating to the electrodeposition of copper : en
  • US2344099A - Bladed disk for radial flow rotary machines : en
  • CH231209A - Process and system for the heat treatment of wet processed goods of all kinds, especially pre-dewatered raw sludge. : de en
  • CA418976A - Rod straightener : en fr
  • CH231391A - Handle of a cycle air pump with a hollow piston rod. : en fr
  • ES164593A1 - ASSEMBLY OF RECTIFIERS WITH SLOTS : en es
  • CA418963A - Road material spreader : en fr
  • CH231249A - Electrolytic cell with a mercury cathode. : de en
  • CH231281A - Piezoelectric based measuring or display device. : de en
  • CA418967A - Confection handle : en fr
  • CH231384A - Control device, in particular for switching change gears in motor vehicles. : de en
  • CA418998A - Cement mixture plasticity increasing method : en fr
  • CA419075A - Pellet for bread : en fr
  • CA419089A - Straddle truck shoe control mechanism : en fr
  • CA419002A - Telephone call cost calculating machine : en fr
  • CH231341A - Load switching device, in particular for step regimes of AC devices. : de en
  • US2344473A - Remote control apparatus : en
  • US2344022A - Folding and interleaving machine : en
  • US2344158A - Tire vulcanizer : en
  • CH231226A - Device for hanging shoes. : en fr
  • ES164327A1 - IMPROVEMENTS IN THE PROVISIONS TO FIX BEARINGS IN THE MATRIX PLATES TO PRINT ADDRESSES : en es
  • ES164553A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF THE FILTRATION DEVICES, CONSTITUTED BY STACKS OF THIN FILTERS OF TEXTILE OR FIBROUS MATERIAL, SUCH AS PAPER : en es
  • ES164657A1 - IMPROVEMENTS INTRODUCED IN VIBRATION SHOCK ABSORBERS : en es
  • FR52397E - Weft braking device in weaving loom shuttles : en fr
  • NL56160C - : en
  • AU1349044A - Improvement in electrical distributors and compositions thereof : en
  • ES164325A2 - A MACHINE TO BUILD RODS WITH WIRE-BASED RINGS : en es
  • ES164675A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NO. 161187 : en es
  • ES164721A3 - A PRESSURE APPARATUS FOR THE PREPARATION OF COFFEE : en es
  • FR891614A - Wall construction method : en fr
  • CA419062A - Magnesia hydroxide production : en fr
  • CH231347A - Variometer with air dielectric. : de en
  • CA419054A - Cement composition : en fr
  • CA419072A - Baked goods manufacture : en fr
  • ES164470A3 - A NEW FULLY AUTOMATIC OPERATING MACHINE, DESIGNED TO MANUFACTURE OBJECTS WITH THERMOPLASTIC MASSES, WHICH CARRIES OUT INJECTION, MOLDING AND DEMOLDING, BY MEANS OF INDEPENDENT MOTORS LINKED TO EACH OTHER THROUGH ELECTRIC CONCATENATION : en es
  • GB560075A - Improvements in and relating to starting circuit for electric discharge devices : en
  • CH231270A - Process for the production of color photographic images by color development. : de en
  • CA418985A - Lath to studding securing means : en fr
  • US2344293A - Drawbench gripper carriage : en
  • US2344315A - Oil leakage indicator : en
  • US2344388A - Vehicle driving mechanism : en
  • US2343898A - Film forming composition, method, and article : en
  • US2344101A - Elastic support of disks for radial flow rotary machines : en
  • US2344252A - Gun carriage : en
  • US2344371A - Ring grinding machine : en
  • IE16581L - Photo-chemical apparatus : en
  • US2344195A - Brazing flux : en
  • CH231379A - Lock for bulk goods. : de en
  • CH231274A - Slingshot figure for football board games. : de en
  • US2344455A - Chain : en
  • US2344205A - Push-button tuning mechanism : en
  • US2344046A - Clutch and power transmission unit : en
  • US2344060A - Cosmetic holder : en
  • US2343870A - Manufacture of alkylated benzene hydrocarbons : en
  • US2344400A - Gas burner : en
  • US2344253A - Laundry machine : en
  • US2344360A - Shaving apparatus : en
  • ES163904A1 - A PROCEDURE FOR IMPREGNATING CARDS, CARDBOARDS, CARDBOARD OR ANY OTHER APPROPRIATE MATERIAL IN ORDER TO PRODUCE A PREVIOUSLY CONCLUDED DEVELOPMENT : en es
  • ES164456A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 150525 : en es
  • ES164466A1 - A PROCEDURE FOR DISTILLING IN DRY AND GASIFYING OIL SKINS AND SIMILAR COMBUSTIBLES, RICH IN ASHES : en es
  • US2344369A - Package : en
  • US2344398A - Oil burner : en
  • US2343938A - Mold filling apparatus : en
  • US2344482A - Manufacture of flexible sheet material : en
  • CA419045A - Lathe : en fr
  • FR891693A - Device for the protection of removable high vacuum lamp electrodes : en fr
  • GB559967A - Amplitude-and frequency-modulation radio receivers : en
  • ES164757A1 - A PROCEDURE FOR THE OBTAINING OF QUINOLYLOXALKYL-AMMONIUM COMPOUNDS : en es
  • US2344435A - Index means for chain welding machines : en
  • ES164398A1 - A CINEMATOGRAPHIC PROJECTION DEVICE OF SEVERAL CELOFAN AND SIMILAR PAPER CUTTING TAPES : en es
  • ES164728A1 - IMPROVEMENTS INTRODUCED IN THE OBTAINING OF SELECTIVE SORTERS THAT AT THE SAME TIME CONSTITUTE ANTICRIPTOGAMIC PRODUCTS : en es
  • ES164794A1 - A PROCEDIMEIN TO OBTAIN BILHILIOANHYDRO CHLORIDE : en es
  • GB560034A - Improvements in short-circuited windings for dynamo electric machines : en
  • ES164575A1 - PROCEDURE FOR THE OBTAINING OF A PROTECTIVE LACQUER AGAINST CORROSION FOR THE SEWINGS OF PLATE CONTAINERS, ESPECIALLY OF THE BODIES OF THE CANNED BOTTLES : en es
  • GB560016A - Improvements in or relating to life-boats : en
  • US2343969A - Perpetual calendar : en
  • US2344164A - Electroreciprocal system : en
  • DE745287C - Rubber-to-metal spring body : de en
  • ES164556A1 - IMPROVEMENTS INTRODUCED IN THE MOWER MACHINES : en es
  • ES164667A1 - SYSTEMS OF BRAKE OF THREAD FOR TEXTILE MACHINES, ESPECIALLY FOR CECTTO RECTLING MACHINES : en es
  • FR891663A - Process for preparing a molecular combination of sulfanilamide : en fr
  • ES164766A1 - A ASSEMBLY INTENDED TO TRANSFORM MODULATED OSCILLATIONS IN FREQUENCY IN MODULATED OSCILLATIONS IN AMPLITUDE : en es
  • ES164260A3 - PROCEDURE TO HARDEN PLASTICS DERIVED FROM FORMALDEHYDE : en es
  • GB559947A - Mining machine cutter bars : en
  • US2344116A - Measuring instrument : en
  • FR891669A - Electrical switching system : en fr
  • US2344156A - Hydraulic power lift : en
  • ES164664A1 - A DESKTOP MACHINE FOR AUTOMATICALLY FILLING INJECTABLE BLISTERS : en es
  • FR891715A - Composition replacing copper sulphate for all agricultural treatments : en fr
  • ES164737A1 - A MACHINE TO EXPAND AND REDUCE THE SIZE THAT IS DESIRED OF ALL KINDS OF PLANS, DRAWINGS, PRINTED, DOCUMENTS, PHOTOGRAPHS AND SIMILAR : en es
  • USD137471S - Design for a hat : en
  • CH231394A - Arrangement to achieve smooth running in rail vehicles with bogies. : de en
  • ES164508A1 - IMPROVEMENTS IMPROVED IN NOZZLES USED FOR FILLING METAL : en es
  • ES164582A1 - CONNECTION PROVISION FOR TRANSMITTERS OR RECEIVERS OF DECIMETRIC WAVES : en es
  • US2343897A - Apparatus for purifying steam : en
  • ES164484A1 - IMPROVEMENTS IN THE MOLINETES OF THE AIR ENGINES INTENDED TO ACTION ELECTRICAL GENERATORS : en es
  • DK62029C - Anti-slip coating, in particular for Sporkædeautomobilers Sporkæder. : da en
  • CA419083A - Selenium type rectifier : en fr
  • DE745461C - Process for the preparation of disazo dyes : de en
  • DE745575C - Pressure contact power supply or power dissipation for a carbon slip ring for electrical machines and apparatus : de en
  • FR891706A - Antagonistic propeller system, in particular for aircraft : en fr
  • DE745659C - Process for the formation of cavities at the bottom of boreholes by blasting : de en
  • ES164654A1 - A GRANULATION PROCEDURE FOR SLAUGHTERS AND SIMILAR PRODUCTS, AND DEVICE FOR THEIR EXECUTION : en es
  • ES164722A1 - A ROLLER FOR WINDING MACHINES : en es
  • US2343879A - Bag feeding and packaging machine : en
  • US2344130A - Nonsettling putty : en
  • US2344142A - Answer-back telegraph system : en
  • US2344347A - Material handling apparatus : en
  • FR891606A - Trunnion bushing for main connecting rod bearing, crank mechanism of star or event motors : en fr
  • CA419038A - Railway car truck : en fr
  • ES164346A1 - A PROCEDURE FOR MANUFACTURING SODIUM OR POTASSIC ACID PYROPHOSPHATE : en es
  • FR891612A - Iron chloride catalyst and its manufacturing process : en fr
  • DE745367C - Sheep plate moved by a vertically movable oven door : de en
  • GB559999A - Improved self-inking hand stamp : en
  • US2344375A - Lady's undergarment : en
  • DE745369C - Diesel locomotive : de en
  • FR891722A - Chassis for self-propelled rail vehicles : en fr
  • DE745417C - Process for the preparation of asymmetrical thioindigo dyes : de en
  • ES163359A1 - IMPROVEMENTS INTRODUCED IN THE ASSEMBLY SYSTEM OF THE SECONDARY SHAFTS OF HELICAL PUMPS : en es
  • US2344109A - Automatic gun having sliding barrel : en
  • US2344441A - Interchangeable electric apparatus : en
  • ES164665A3 - PROCEDURE FOR OBTAINING NEW MATERIAL FOR PACKAGING : en es
  • DE745472C - Process for the production of high polymer, resinous substances from ethyleneimine and isocyanates or isothiocyanates : de en
  • US2344387A - Method of producing sorel cements : en
  • US2344410A - Clutch mechanism for accounting machines : en
  • US2344090A - Milk-protein gel dessert and method of producing the same : en
  • US2344038A - Wheel and tire lock : en
  • US2344010A - Combination beach robe, towel, and receptacle : en
  • ES164487A1 - IMPROVEMENTS IN THE LOCKS : en es
  • US2344462A - Plaited skirt : en
  • ES164411A1 - A PROCEDURE FOR THE MANUFACTURE OF SOLID PERFUME : en es
  • DE745499C - Cool box made of two nested containers for blast furnaces : de en
  • GB560062A - Improvements in and relating to the mounting of saddle pillars of motor cycles and like vehicles : en
  • ES164409A1 - IMPROVEMENTS INTRODUCED IN THE ANTI-ENERGY MAGNETIC SYSTEMS : en es
  • ES164534A1 - A PROCEDURE TO COMBAT THE PASTES OF THE PLANTS : en es
  • GB560057A - Improvements in and relating to electric discharge devices and electrodes therefor : en
  • FR891712A - Device for the progressive adjustment of the number of revolutions of air compressors for internal combustion engines : en fr
  • CA418986A - Building structure : en fr
  • US2344437A - Combined greeting card and container : en
  • CH231427A - Process for the preparation of a polymerization product. : de en
  • US2344404A - Corrosion preventing agent : en
  • US2344425A - Radio antenna : en
  • CH231306A - Device for modeling with wax and other substances that soften when heated. : de en
  • CH231264A - Colloidal resin solution for paper sizing and process for their manufacture. : de en
  • CH231293A - A method and machine for manufacturing a hollow head and stem valve, and a valve obtained by this method. : en fr
  • CH231424A - Process for the preparation of an aminotriazine-formaldehyde reaction product. : de en
  • ES164288A1 - PROCEDURE FOR THE MANUFACTURE OF A RUBBER-FREE ELASTIC MEDIA, FOR VARICES : en es
  • ES164554A1 - SERVE OF GRAVITY FORCE : en es
  • NL55897C - : en
  • US2344114A - Pressure regulator for presses and the like : en
  • US2343927A - Conversion of hydrocarbon oils : en
  • CH231268A - Process for the preparation of multicolor photographic images. : de en
  • CH231356A - Method for determining the recording voltage for X-ray recordings. : de en
  • CH231317A - Device for fixing turbine blades. : en fr
  • US2344196A - Gas-heated soldering iron : en
  • CA419024A - Fibrous container : en fr
  • CA419061A - Community refrigeration and gas system : en fr
  • AU123877B2 - Improvement in electrical distributors and compositions thereof : en
  • US2344173A - Switch : en
  • US2344204A - Shirt : en
  • US2343962A - Measuring pump : en
  • CH231291A - Oil burette for oiling clock stones. : en fr
  • US2343954A - Feeding mechanism for tire building : en
  • ES164522A1 - A LAMINATING, CALIBRATING AND HENDIDORA STRING MACHINE : en es
  • US2344331A - Frictional resistance test apparatus : en
  • CH231340A - Disconnector. : de en
  • ES164385A1 - A PROCEDURE FOR THE OBTAINING OF EXTRACTS FROM YEARS FROM PRESSED YEAST : en es
  • FR891608A - Photographic monocle : en fr
  • ES164676A1 - A MACHINE THAT LAMINATES AND CONNECTIVELY BECOMES IN SCALES THE SYNTHETIC RUBBER, OWN FOR PULIMENTS AND VARNISHES : en es
  • USD137461S - Brooch or similar article : en
  • AU118212B2 - Improvements in and relating to starting switches : en
  • US2344184A - Heat exchange apparatus : en
  • US2344395A - Lubricating oil : en
  • US2344405A - Photographic printing machine : en
  • US2343973A - Acid condensation product of formaldehyde and acid condensation polymerization product of furfuryl alcohol and method for preparing the same : en
  • US2344337A - Core winding machine : en
  • US2344459A - Method of preparing i : en
  • ES163954A2 - IMPROVEMENTS MADE IN : en es
  • DK62027C - Advertising signs. : da en
  • US2343908A - Vitreous enameling : en
  • FR891698A - Silent motion transmission chain : en fr
  • ES164377A3 - A PROCEDURE FOR THE CONTINUOUS PRODUCTION OF ACETYLENE : en es
  • CA419040A - Razor blade magazine : en fr
  • DE745196C - Device for registering or measuring the pressure curve of acoustic waves : de en
  • US2343859A - Telephone receiver : en
  • ES164765A1 - A DIRECT READING PERIMETER APPARATUS : en es
  • CH231253A - Process for the preparation of tributenylamine. : de en
  • US2344286A - Airplane wing construction : en
  • DE731499C - Hollaender drive : de en
  • DE745428C - Guide device for series image recordings : de en
  • CA419067A - Gaseous discharge tube system : en fr
  • FR891610A - Mounting device for alternating current telegraphy with phase reversal : en fr
  • FR891624A - Groove tile : en fr
  • US2344197A - Control panel and the like : en
  • FR891618A - Economical wooden or iron frame with superimposed and crossed slats : en fr
  • US2344202A - Plant receptacle : en
  • US2344178A - Electromagnetic device : en
  • US2344220A - Envelope flap folding machine : en
  • FR891716A - Elastic tire for wheels of all vehicles : en fr
  • US2343921A - Staple remover : en
  • DE745597C - Process for the production of oxide layers on objects made of aluminum or aluminum alloys : de en
  • ES164334A1 - A PROCEDURE FOR FORMING SURFACES OF REFLECTION ON THE OWN GLASS OF THE ELECTRIC SHIELD LAMPS : en es
  • ES164885A1 - APPARATUS TO REFREGE THE SAVING OF CEERAALS OR FOR OTHER SIMILAR APPLICATIONS : en es
  • GB559965A - Visible margin file : en
  • ES164305A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 163042 : en es
  • GB559960A - Improvements in the manufacture of laminated wooden blocks or articles : en
  • ES164781A3 - IMPROVEMENTS IN THE CONSTRUCTION OF SWIVEL POINTS FOR LATHES AND SIMILAR : en es
  • GB559979A - Improvements in or relating to erection devices for gyroscopic instruments : en
  • ES164458A1 - A PROCEDURE FOR THE MANUFACTURE OF RHEOSTATES, ESPECIALLY APPROPRIATE TO REGULATE THE LUMINOUS INTENSITY OF THE ELECTRIC LAMPS OF INCANDESCENCE : en es
  • ES164368A1 - A PROCEDURE TO ESTABLISH SECRET RADIO COMMUNICATIONS : en es
  • ES164426A3 - A THERMAL ECONOMIZING VESSEL SYSTEM : en es
  • ES164475A1 - A DEVICE FOR THE CONTROL OF BICYCLE AND SIMILAR BRAKES : en es
  • ES164792A1 - A PROCEDURE WILL OBTAIN CINC FOR THE INSUFLATION OF MININAL OF CINC OR METALLURGY PRODUCTS THAT CONTAIN IT IN THE OVEN OF CUBA : en es
  • GB560047A - Improvements relating to shock absorbers : en
  • ES164707A1 - A HEAT COMPENSATOR FOR INSTALLATIONS INTENDED FOR THE CALCINATION OF MATERIALS LIKE CEMENT AND ALKALINE CARBONATES, AS MAGNESIUM AND DOLOMITE : en es
  • GB560031A - Improvements in or relating to the production of composite tools by brazing : en
  • GB559997A - An improved lock switch for lift gates and the like : en
  • ES164373A1 - A HOSE APPLIANCE FOR WATER IRRIGATION : en es
  • ES164919A2 - A procedure to obtain grass root flour and its plant : en es
  • FR891735A - Quick closing device for turbine installations : en fr
  • US2343909A - Awning fixture : en
  • US2344211A - Bomb releasing rack : en
  • US2343931A - Mechanical scanning device for television and remote control : en
  • CH231215A - Excess air control device for gas fireplaces. : de en
  • US2344221A - Lantern : en
  • CA419046A - Boot or shoe : en fr
  • DE745518C - Freezing food : de en
  • DE745649C - Process for the disposal of the gas water mainly containing phenol from gasification plants : de en
  • CA419016A - Fluorescent lamp starting circuit : en fr
  • CH231433A - Arrangement for the operation of converters in which a circuit break occurs mechanically. : de en
  • US2344006A - Method of making electromagnetic induction apparatus : en
  • US2344186A - Holder : en
  • US2344474A - Two-way plow : en
  • US2344165A - Window blind : en
  • ES164782A1 - IMPROVEMENTS IN ELECTRIC WIND TURBINES : en es
  • CA419090A - Liquid dispensing apparatus : en fr
  • US2343979A - Four-in-hand necktie : en
  • CA419052A - X-ray apparatus : en fr
  • CH231323A - Method of supplying a wood gas engine. : en fr
  • US2343937A - Hydraulic built-in jack : en
  • DE745517C - Foldable keyboard for keyboard instruments : de en
  • US2344363A - Method and apparatus for cooling metal molds : en
  • US2344117A - Method of making polarizing filters : en
  • US2344456A - Inlet box for centrifugal fans : en
  • US2344468A - Clock : en
  • CH231393A - Rotary body with profiled wear surface. : de en
  • CH231295A - Welding transformer for arc welding. : de en
  • CH231416A - Process for the preparation of a monoazo dye. : de en
  • US2343990A - Slotting apparatus : en
  • CA418974A - Textile material waterproofing treatment : en fr
  • CA419087A - Gas mask : en fr
  • CH231431A - Device for fruit juice production. : de en
  • US2344475A - Abrading apparatus : en
  • USD137443S - Scatter rug or similar article op manufacture : en
  • US2344000A - Bottle carrying conveyer flight : en
  • CA419058A - Freight handling mechanism : en fr
  • CH231430A - Pyrophoric lighter. : en fr
  • ES164319A1 - A DIOPETRIC APPARATUS AND ITS CORRESPONDING METHOD FOR THE READING OF PHOTOMICROGRAPHICAL DOCUMENTS : en es
  • ES164423A1 - A MACHINE WITH ALL ITS AUTOMATIC MOVEMENTS, TO VULCANIZE ALL KINDS OF FOOTWEAR, WITH FLOORS OR FLOORS OF RUBBER AND CUTTING OF LEATHER, FIBERS, HEMP, JUICE, FELTS AND ALL KINDS OF FABRICS : en es
  • ES164520A3 - A PROCEDURE TO OBTAIN ALKIL-0 ALKENYLOXY-2, NITRO-5 ANILINES, WHOSE ALKYL OR AKENYLOXYL GROUP CONTAINS MORE THAN TWO CARBON ATOMS AND THEIR SALTS : en es
  • FR891645A - Improvements to dewatted reaction assemblies for very short electric waves : en fr
  • GB560051A - Improvements in and relating to ignition systems particularly for engines attaining high altitudes : en
  • CA419023A - Cutting or sawing machine : en fr
  • US2343953A - Hand compression tool for dies and cutters : en
  • US2344106A - Method of and apparatus for treating tobacco : en
  • CA418988A - Packing ring and cup washer : en fr
  • US2344251A - Water softening system : en
  • ES164579A1 - PROCEDURE FOR DYING, IMPREGNATING AND FIXING STAMPING OF TEXTILE MATERIAL OR TEXTILE MATERIAL OF ALL KINDS AND RELATED MATERIALS : en es
  • FR891620A - Process for preparing nitriles from halogen hydrins : en fr
  • US2343890A - Tube expander : en
  • US2344075A - Apparatus for transforming mechanical energy into heat : en
  • US2344105A - Exterminating agent for vermin : en
  • US2344119A - Electromagnetic signal hooter : en
  • US2343982A - Apparatus for setting plastic eyelets : en
  • CA419066A - Television transmitting tube : en fr
  • CA419071A - Concrete reinforcing device : en fr
  • ES164486A1 - AN APPARATUS FOR FISHING WITH LIGHT UNDER WATER : en es
  • ES164253A3 - A PROCEDURE FOR THE PREPARATION OF COVERING TAPES ADAPTABLE TO BICYCLE HANDLEBARS AND HANDLES OF ANY KIND : en es
  • AU118225B2 - An improved machine Ior use in screw-cuiting, turning and other metall working operations : en
  • CA418958A - Pulp and hydrogenated product manufacture : en fr
  • CH231357A - Method and device for accelerated heating during the continuous annealing of tubular material moved in an induction furnace. : de en
  • CH231200A - Nail. : de en
  • US2344276A - Fluid pressure actuated mechanism and control for the same : en
  • US2344448A - Fiberboard receptacle : en
  • US2343960A - Trimming machine : en
  • CA419079A - Wire harness : en fr
  • CH231262A - Process for the production of phosphate fertilizers in powdery to granular form. : de en
  • GB560013A - Improvements in or relating to thermionic valve circuits : en
  • US2344084A - Light-sensitive material for color photographic purposes and method of using the same : en
  • US2344100A - Radial flow turbine : en
  • CH231327A - Carburetors for internal combustion engines. : de en
  • GB560073A - Improved liquid fuel pump or injector : en
  • ES164445A1 - A HYDROPNEUMATIC DEVICE TO ACHIEVE THE INVESTMENT OF THE DIRECTION OF THE PASSAGE OF A LIQUID, IN PRICULAR FOR THE DISCOLLATION OF THE FILTERS DEPURADORES OF OIL : en es
  • NL55895C - : en
  • US2344466A - Catalytic isomerization : en
  • FR891731A - Improvements to electric coils, and more particularly to low voltage coils : en fr
  • CH231308A - Pyrophoric stone lighter. : en fr
  • USD137448S - Design for a refuse receptacle : en
  • ES164519A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ELECTRIC OR ARCH CARBON : en es
  • ES164567A1 - A DEVICE OF QUITA AND PON, PROPULSOR BY ELECTRICAL MEDIA OF GRAMOLAS PROVISTAS OF MOTOR TO RESORT : en es
  • DE745452C - DC machine for high performance with constant field excitation : de en
  • ES164387A1 - IMPROVEMENTS IN CONSTRUCTION OF TRAVIESAS FOR RAILWAYS : en es
  • US2343994A - Core covering apparatus : en
  • US2344265A - Method of hydrolysis : en
  • DK62026C - Device for suitcase-like, folded cover boxes. : da en
  • ES164293A1 - A PROCEDURE FOR THE OBTAINING OF SULFONYLURETHANES : en es
  • FR891667A - Hydraulic oscillation damper : en fr
  • US2344136A - Wrist watch protector : en
  • US2344096A - Operating arrangement, particularly for change-speed gearing for motor vehicles : en
  • US2343955A - Electrically controlled automotive transmission : en
  • FR891739A - Single-wheel car plowman : en fr
  • FR891632A - Process for manufacturing heat exchange walls, in particular radiators and resulting walls : en fr
  • US2344110A - Rotary hook for lock-stitch sewing machines : en
  • ES164257A1 - NEW PROCEDURE FOR PREPARING RUBBER PILLS : en es
  • US2344307A - Mixing machine : en
  • US2344408A - Concentration of sulphuric acid : en
  • US2344443A - Cartridge clip loading machine : en
  • CH231315A - Regulating valve for central heating radiators. : de en
  • ES164795A1 - IMPROVEMENTS IN THE MANUFACTURE OF CANDLES, SPARKS AND SIMILAR : en es
  • FR891743A - Control for cable cars : en fr
  • US2343981A - Safety razor blade sharpener : en
  • US2344362A - Pneumatic tire vehicle wheel : en
  • US2344454A - Training device : en
  • ES164646A1 - PROCEDURE FOR THE CONSTRUCTION OF TERMINALS IN BARS FOR HEATING : en es
  • US2344076A - Process of making ornamental figures : en
  • US2344259A - Alkali salts of fatty carbamino compounds : en
  • US2344464A - Revolving pot for glassware manufacture : en
  • ES164267A1 - CONNECTION PROVISION TO CONTROL THE SOUND RING : en es
  • ES164543A1 - A LIQUID METER DEVICE : en es
  • GB560066A - Improvements in contact arrangements in electric switches : en
  • FR891727A - Method of manufacturing a combustible briquette and briquette obtained by this method : en fr
  • AU656542A - lmpirove&~ diirectional flighft Rievel indlicator : en
  • US2344376A - Doorknob : en
  • US2344159A - Rotary internal combustion engine : en
  • US2344138A - Coating method : en
  • CA418957A - Vitamin incorporation into foods : en fr
  • US2343903A - Automatic shutoff nozzle : en
  • US2344058A - Free piston machine : en
  • US2344147A - Rolling machine : en
  • CH231372A - Selector switch. : de en
  • US2344340A - Apparatus for applying tape upon articles : en
  • US2344436A - Floating roof storage apparatus for volatile liquids : en
  • CA418993A - Concrete structure densifying composition : en fr
  • DE745474C - Use of gold alloys for spinnerets : de en
  • CH231334A - Device for the elastic coupling of electrical generators, power plants, networks and network associations. : de en
  • ES164740A2 - IMPROVEMENTS MADE IN THE SUBJECT OF MAIN PATENT NUMBER 149616 : en es
  • CA419009A - Jack knife electric switch : en fr
  • CH231392A - Drum brakes, in particular for bicycles. : de en
  • ES164383A1 - IMPROVEMENTS IN THE OBTAINING OF STEELS BY THE BESSEMER BASIC PROCEDURE : en es
  • FR891642A - Device for equalizing the frequency characteristic of tuning elements : en fr
  • ES164727A1 - IMPROVEMENTS IN THE MANUFACTURE OF CAPS FOR THE EXTRACTION OF OIL BY COMPRESSION OF OLEAGINOUS MASSES : en es
  • US2344176A - Method of and machine for molding plastics : en
  • ES164573A1 - IMPROVEMENTS INTRODUCED IN ELECTRICAL SWITCHES WITH BRUSCA CONNECTION MECHANISMS : en es
  • FR891640A - Purification plant for gasifiers : en fr
  • US2344023A - Earphone : en
  • ES164362A1 - DEVICE TO OBTAIN GREATER OPTICAL PERFORMANCE IN REMOVABLE OBJECTIVES OF MODERN CHAMBERS WITHOUT APPROXIMATION LENS AID : en es
  • GB559945A - Improvements in apparatus for use in shaping the operative surface of grinding wheels : en
  • CH231402A - Process for the preparation of a polyazo dye. : de en
  • ES164270A1 - IMPROVEMENTS INTRODUCED IN RIBBONS OR RUBBER BELTS, IN PARTICULAR TAPES FOR TRANSFORMERS : en es
  • ES164447A1 - IMPROVEMENTS INTRODUCED IN THE PROJECTORS : en es
  • ES164559A1 - A GASOGEN WITH COMBUSTION DIRECTED DOWN, ESPECIALLY FOR POOR SOLID FUELS IN TAR, LIKE LIGNITE AND SIMILAR : en es
  • CA419092A - Engine charge forming device : en fr
  • ES164578A1 - A SYSTEM FOR ASSEMBLING THE MECHANISM TO THE BODY OF PERA SWITCHES AND SWITCHERS : en es
  • AU699142A - Apparatus for producing magnesium by thermal reduction : en
  • CH231202A - Solid fuel household heating appliance. : en fr
  • US2344335A - Hydraulic transmission : en
  • US2344034A - Railway car bolster suspension : en
  • USD137449S - Design fob a jacket : en
  • ES164495A1 - A PERFECT GENERATOR OF GAS ACETYLENE : en es
  • GB560003A - Improvements in or relating to the shot-blasting of coil springs : en
  • CH231319A - Self-generator of pressurized gas with at least one free piston. : en fr
  • BE452378A - IMPROVEMENTS IN PLASTIC ZIPPERS : en fr
  • CH231337A - Process for producing glass coatings on wires insulated with glass fiber, in particular electrical conductors. : de en
  • CH231387A - Crawler tracks. : de en
  • AU118207B2 - Apparatus for the recovery of volatilizable metals : en
  • CH231361A - Protective shield for electrical welding work. : de en
  • DE745216C - The conveyor bridge spanning the excavation shock, supported above and below in a spatially movable manner on the chassis : de en
  • ES164762A1 - IMPROVEMENTS IN THE MECHANISMS OF OPERATION OF THE TELESCOPE FOLDERS : en es
  • DE745451C - Carbon grinding bodies with molded socket : de en
  • CA418966A - Fishing tackle box : en fr
  • ES164295A1 - PROCEDURE FOR THE TERMINATION OF A TRANSMITTER : en es
  • DE745588C - Magnetogram carrier guide : de en
  • DE745598C - Pocket camera with watch-shaped housing : de en
  • GB560011A - Improvements in or relating to fire alarm apparatus : en
  • ES164313A1 - IMPROVEMENTS INTRODUCED IN VEHICLES INTENDED TO GO THROUGH THE FIELD : en es
  • CH231375A - Circuit with a tunable oscillation circuit, especially for radio receivers. : de en
  • US2343992A - Record changer for phonographs : en
  • ES164281A1 - A PRODUCT FOR THE SYNTHESIS OF VINYL CHLORIDE : en es
  • GB559993A - Vee rope change speed converter unit : en
  • US2344111A - Electromagnetic multiple-disk clutch : en
  • US2344190A - Preparation of dextran acetate : en
  • US2344339A - Automobile window supported hatrack and coat hanger device : en
  • DE741978C - Injection mold : de en
  • DE745540C - Testing and protection device for monitoring the insulation resistance of electrical machines and apparatus : de en
  • DK62023C - Dust extraction device at threshing mills. : da en
  • ES164698A1 - IMPROVEMENTS IN THE VENTILATION OF CLOSED ELECTRICAL ENGINES : en es
  • DE745551C - Jet pipe for carbon dioxide snow blowers : de en
  • ES164710A1 - IMPROVEMENTS INTRODUCED IN DRY GAS METERS : en es
  • CA419041A - Hardness testing machine : en fr
  • ES164537A1 - A PROCEDURE FOR PREPARING 7-DEHIDROSTEROL : en es
  • ES164317A1 - IMPROVEMENTS INTRODUCED IN THE ROTARY TURBINES OR COMPRESSORS TRAVELED IN AXIL SENSE BY THE WORKER : en es
  • ES164300A1 - IMPROVEMENTS INTRODUCED IN THE OVEN BOXES : en es
  • ES163785A1 - IMPROVEMENTS INTRODUCED IN THE STOVES : en es
  • AU118232B2 - Improved lampshade or hood : en
  • FR891676A - Flat textile articles with formed patterns : en fr
  • ES164514A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 162868 : en es
  • US2343939A - Brake arrangement : en
  • US2344393A - Lubricating oil composition : en
  • ES164717A1 - IMPROVEMENTS IN THE MECHANICAL AVENTADORES : en es
  • FR891733A - All-wood revolving armchair : en fr
  • US2344026A - Process for producing resins of the coumarone-indene type : en
  • ES164390A1 - A PROCEDURE FOR MANUFACTURING METAFOSPHATES POLYMETERS : en es
  • ES164502A1 - A TABLE DEVICE FOR THE GAME OF FOOTBALL, GOLF AND SIMILAR, WITH MOVEMENT BALL OR BALL SLIDING BY MAGNETIC ACTIONS PRODUCED BY ELECTROIMANES : en es
  • ES164688A1 - IMPROVEMENTS IN AUTOCLAVES : en es
  • ES164691A1 - A SQUARING DEVICE FOR CINEMATOGRAPHIC PROJECTORS : en es
  • US2344254A - Telemetering apparatus : en
  • US2344120A - Method and apparatus for cementing wells : en
  • ES164457A1 - A DEVICE FOR CONNECTING AND DISCONNECTING THE ELECTRICAL CURRENT : en es
  • GB559974A - Improvements relating to the production of compressed or moulded products from wood chips, shavings, sawdust or the like : en
  • CH231381A - Vehicle, especially for pulling animals, with an articulated bogie. : de en
  • ES164419A2 - A PROCEDURE FOR DEPARAGING MINERAL OILS : en es
  • DE745364C - Process to improve the properties of dark colored flour passages that cannot be baked : de en
  • ES164329A1 - A GENERATOR OF STEAM WITH REHEATTER AND AIR HEATER, FOR THERAPEUTIC, HYGIENIC AND BEAUTY PURPOSES : en es
  • GB559975A - Improved means for securing a liquid-transporting tank on a road-vehicle chassis : en
  • GB560030A - Improvements in vacuum electric tube devices for use in image signal-generating apparatus : en
  • ES164687A1 - IMPROVEMENTS INTRODUCED IN THE TEST BANKS : en es
  • US2343956A - Deep hardening silicon titanium steel : en
  • USD137450S - Design for a dental floss holder : en
  • CA419091A - Textile fabric : en fr
  • US2344300A - Shaker conveyer trough connecting means : en
  • US2344465A - Flow equalizer : en
  • ES164476A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THE ELEMENTS FOR THE PERMANENT HAIR CURLING : en es
  • CH231355A - Variometer. : de en
  • CH231359A - Device for screwless fastening of the bearing block for the standpipe and other parts of electrical table lamps on their footplate. : de en
  • ES164424A1 - IMPROVEMENTS IN THE MANUFACTURE OF THERMAL ECONOMIZING CONTAINERS : en es
  • US2343978A - Manufacture of nonporous metal articles : en
  • US2344011A - Siphon inlet : en
  • ES164650A1 - A TRANSFORMER OF OSCILLATIONS : en es
  • US2344141A - Battery carrier : en
  • ES164592A1 - AN APPARATUS PROVIDED OF A DEVICE FOR DRIVING A JUMP FROM A FILM : en es
  • GB560015A - Improvements in and relating to liquid circulating systems : en
  • GB560038A - Improvements in or relating to shoe upper conforming machines : en
  • US2344192A - Lead connector : en
  • USD137460S - Die for forming metal sheets : en
  • US2343873A - Combination gas and liquid fuel burner : en
  • US2344009A - Box handle and latch : en
  • ES164690A1 - A CONTROL DEVICE FOR ADJUSTABLE PROPELLERS, ESPECIALLY PALLET WHEEL PROPELLERS : en es
  • US2344047A - Pulp machine : en
  • US2344078A - Transmission : en
  • USD137451S - Design fob a dagger : en
  • CH231362A - Adjustable eye protection device. : de en
  • US2344355A - Sedimentation apparatus : en
  • ES162237A3 - IMPROVEMENTS IN THE PROCEDURES OF THE ELECTROLYTIC DECORATION OF STEEL SHEETS, AND PARTICULARLY IN THAT OF THE BLADES OF KNIVES AND KNIVES : en es
  • ES164485A2 - IMPROVEMENTS IN THE DEVICES FOR WINDING WOODS, CROWNS AND REELS, OBJECT OF THE MAIN PATENT : en es
  • ES164516A1 - A PROCEDURE TO ADD WINES FOR THE ACTION OF ADEQUATE ELECTRICAL CURRENTS : en es
  • ES164562A1 - IMPROVEMENTS IN THE MANUFACTURE OF TRANSMISSION BELTS : en es
  • ES164705A1 - A PROCEDURE FOR THE OBTAINING OF ACID SULPHATES OF HYDROCARBONS OF HIGH MOLECULAR WEIGHT : en es
  • ES164771A1 - A DISCHARGE PIPE : en es
  • ES164772A1 - A PROCEDURE FOR THE PREPARATION OF EATING AROMAS : en es
  • FR891745A - Four-stroke gas engine : en fr
  • US2344131A - Airfield : en
  • US2343918A - Means for deicing propeller spinners : en
  • US2344269A - Expansion joint : en
  • NL55942C - Hand saw for cutting curves : en nl
  • CA419019A - Metal container seam : en fr
  • CH231241A - Process for the manufacture of footwear and footwear manufactured according to this process. : de en
  • CH231432A - Two-stroke internal combustion engine. : de en
  • US2344042A - Neutron image converter : en
  • US2344080A - Wrist sprung glove : en
  • CA418962A - Spoked wheel : en fr
  • ES164255A1 - INSTALLATION OF BURNERS LIQUID FUEL BURNERS FOR HOUSEHOLDS OF STEAM BOILERS AND SIMILAR : en es
  • ES164365A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ZIPPER CLOSURES : en es
  • GB560022A - Method for reconditioning used solutizer solutions used in the refining of hydrocarbons : en
  • FR891627A - Removable, opening or extendable cylinder for making lost wax castings : en fr
  • US2343980A - Film reel : en
  • USD137459S - Combination protractor or similar article : en
  • GB559956A - Improvements in attemperating apparatus for controlling the temperature of steam or other vapour : en
  • US2343995A - Disazo dyes developed on the fiber : en
  • US2343998A - Welding apparatus : en
  • ES164641A1 - AN AEROMOTOR, ESPECIALLY OF GREAT SPEED : en es
  • ES164297A1 - PNEUMATIC SAFETY WHEEL SYSTEM : en es
  • US2344357A - Auxiliary window construction : en
  • US2344004A - Process for the preparation of ferric oxide : en
  • US2344356A - Chemical compounds beta-(meta-hydroxyphenol)-isopropylamines : en
  • CH231390A - Tire monitor on vehicle wheels with pneumatic tires. : de en
  • US2343866A - Process for the pyrolysis of hydrocarbons : en
  • US2343882A - Keyboard printing and perforating apparatus : en
  • CA419047A - Vehicle wheel : en fr
  • US2344091A - Push button operating mechanism for permeability tuning purposes : en
  • USD137465S - Design fob an arc welding device : en
  • FR52392E - Improvements in the construction of so-called dry electric cells : en fr
  • CH231271A - A method of making a multilayered colloidal silver-containing material for color photography and a material made by this method. : de en
  • DE745404C - Sugar looser for the production of syrup by cold means : de en
  • US2344440A - Apparatus for directly producing metals from ores : en
  • DE745503C - Fanning the fire of a gas generator that supplies gas to an internal combustion engine : de en
  • DE745628C - Heavy-current drive switch, especially foot-operated drive switch for road vehicles : de en
  • US2344268A - Cleaning composition : en
  • US2344386A - Apparatus for the production of decoctions, especially tea or coffee : en
  • CA419082A - Alternating current supply means : en fr
  • US2344185A - Labeling machine : en
  • US2344189A - Wrinkling enamel and method of making : en
  • AU118230B2 - Improvements in or relating to pipe couplings : en
  • CA418989A - Envelope : en fr
  • CH231397A - Torsion spring, especially for the suspension of aircraft chassis. : de en
  • US2344066A - Method of and apparatus for producing cutting and abrading articles : en
  • AU1316144A - Induction coils : en
  • CA418983A - Partition structure : en fr
  • CH231345A - Electric discharge tube for amplifying or generating electrical decimeter and centimeter waves. : de en
  • AU118231B2 - Improvements in hand supported pneumatic percussion tools for rivetting and like operations : en
  • CH231426A - Process for the preparation of a polymerization product. : de en
  • ES164261A1 - A POWER TRANSFORMER FOR RECEIVING APPLIANCES AND AMPLIFIERS : en es
  • CA418973A - Toilet device : en fr
  • CH231242A - Insole for footwear. : de en
  • FR891673A - Metal fittings : en fr
  • IE16843L - Electrical control system : en
  • CH231228A - Clothes hanger. : de en
  • USRE22457E - Segmental abrasive wheel : en
  • US2343971A - Television studio lighting : en
  • CA419001A - Mono-filament production : en fr
  • CA419096A - Organic compound manufacture : en fr
  • CH231415A - Process for the preparation of a monoazo dye. : de en
  • CH231386A - Car body for high-speed motor vehicles. : de en
  • CH231350A - Rotary capacitor with capacitor plates, of which projections are inserted through perforated metal plates and determined by deformation, and method for the production of such a capacitor. : de en
  • DE745407C - Device for dewatering and separating flocculation from waste water containing clay and lettuce from swimming pool treatment plants : de en
  • CH231349A - Process for the production of selenium dry rectifier disks. : de en
  • CH231205A - Method and device for cleaning and conditioning the air in closed spaces. : de en
  • US2343987A - Alarm system : en
  • US2344484A - Tubular lock : en
  • CH231310A - Method for limiting resonance vibrations, in particular for crankshafts of internal combustion engines, and device for carrying out the method. : de en
  • US2344150A - Plumbing fixture : en
  • DE736769C - Process for the production of plastic masses and molded bodies from them : de en
  • US2344447A - Multiple mechanical pencil : en
  • US2344208A - Process for regenerating a "spent" noble metal oxide hydrogenation catalyst : en
  • US2344069A - Foot guard : en
  • ES164747A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR THE RECORDING OF SOUNDS AND THE REPRODUCTION OF THE RECORDING MEDIA : en es
  • AU698642A - Production of magnesium and apparatus therefor : en
  • US2344152A - Starting device for internal combustion engines : en
  • USD137441S - Miles binocular or the like : en
  • ES164320A1 - PROCEDURE FOR THE MANUFACTURE OF HANGERS FOR CLOTHES BASED ON CURVED RODS OF WOOD, JUNCO, FIBER OR OF METAL TUBES : en es
  • ES164548A1 - IMPROVED IMPROVEMENTS IN THE COUPLINGS CARRIED OUT WITH AUXILIARY TREE HELP : en es
  • GB560026A - A new or improved device for making headless wire spokes : en
  • ES164642A1 - A ASSEMBLY INTENDED TO TRANSMIT ELECTRIC OSCILLATIONS OF HIGH FREQUENCY : en es
  • CA419057A - Bottle closure fixing apparatus : en fr
  • ES164591A1 - IMPROVEMENTS INTRODUCED IN DRY SHAVING MACHINE HEADS : en es
  • US2344052A - Slack puller : en
  • US2343965A - Lifesaving and sporting float device : en
  • US2344212A - Heddle frame support : en
  • US2344350A - Hosiery : en
  • AU118217B2 - Improvements in or relating to pipe couplings : en
  • US2343891A - Device for analyzing surface defects : en
  • US2344263A - Projector : en
  • USD137474S - Design for a comb : en
  • USD137475S - Design for a picture frame : en
  • FR891689A - System for changing the direction of movement of swap bodies during travel : en fr
  • US2343869A - Conditioner for congealable liquids : en
  • CH231288A - Method for manufacturing parts constituting timepieces blanks and blank part manufactured according to this process. : en fr
  • ES164796A1 - A STEAM MOTOR OF CONTINUOUS CIRCULAR MOVEMENT WITH EXPLOITATION OF STEAM EXPANSION : en es
  • US2343991A - Filling mechanism for fountain pens : en
  • US2344370A - Illuminated knitting needle : en
  • CA418990A - Recording device : en fr
  • CH231286A - Waterproof watch box. : en fr
  • DE745625C - Process for the preparation of 5-pyrazolone-4-sulfonic acids : de en
  • ES164518A1 - IMPROVEMENTS INTRODUCED IN THE PHOTOGRAPHIC DEVICES : en es
  • CA419042A - Welded end plug for piping : en fr
  • US2344088A - Permutation and alarm lock : en
  • CH231378A - Conveyor system, in particular for agricultural purposes. : de en
  • FR891713A - Method and device for weaving on claw looms : en fr
  • FR891724A - Reversible bevel gear pump for liquids, gases and vapors : en fr
  • CH231422A - Gas-tight housing for continuously working filter. : de en
  • DE745442C - Process for the production of beverages containing vitamins, especially beers : de en
  • ES164521A1 - AN ELECTRICAL TUBING WELDING PROCEDURE : en es
  • FR891644A - Mechanical razor with adjustable cut : en fr
  • FR891636A - Front piece for jackets, jackets, overcoats, coats or the like with lapels : en fr
  • GB559988A - Improvements in and relating to box and drum type vacuumising and gassing chambers for food containers and the like to enable the said containers to be sealed while still enclosed, at the same time preserving the minimum volume of the chamber : en
  • US2344198A - Indicating device : en
  • US2344326A - Tractor-mounted implement : en
  • US2344132A - Fishing reel spool : en
  • CH231251A - Process for the production of alumina with simultaneous production of potassium sulphate, sulfur dioxide and sulfur trioxide from potassium-aluminum sulphates. : de en
  • CH231239A - Process for the production of a textile auxiliary which acts as a softener : de en
  • DE745601C - Lane for film recorders : de en
  • US2344170A - Lather mixing machine : en
  • US2344415A - Stocking protector : en
  • US2343945A - Follow-up system : en
  • US2343871A - Olive press : en
  • US2344366A - Counterrotating supercharger : en
  • CA418959A - Conveying apparatus : en fr
  • CH231377A - Box for ampoules. : de en
  • US2344203A - Combination burner : en
  • US2344311A - Dynamo and regulating means therefor : en
  • US2344149A - Table device : en
  • US2344471A - Closure and applicator rod assembly : en
  • US2344478A - Apparatus for sharpening saws : en
  • US2344056A - Drain valve tank fitting : en
  • USD137452S - Design for a blouse : en
  • CH231321A - Switching device on internal combustion engines operated with different fuels, in particular for motor vehicles. : de en
  • CH231344A - Overcurrent protection relay. : de en
  • CA419020A - Sheet metal container : en fr
  • CA418987A - Lath to channel furring securing means : en fr
  • FR891696A - Protective device against accidental fire of any motor vehicle : en fr
  • CH231304A - Self-adjusting opening clamp. : en fr
  • US2344079A - Mechanism for waxing thread : en
  • GB560059A - Improvements in electromagnetic contactors : en
  • CH231290A - Electromagnetic winding timepiece. : en fr
  • CH231269A - Process for the preparation of color photographic images. : de en
  • US2344406A - Refining of mineral oils : en
  • CH231238A - Device for lubricating the running track of rotating grippers of sewing machines, especially high-speed sewing machines. : de en
  • ES164736A1 - AN APPARATUS FOR MANUFACTURING CANDLES : en es
  • US2344174A - Adjustable broiler grid : en
  • CH231292A - Process for producing a rolled product from rollable metal with a thickness varying in the longitudinal direction. : de en
  • ES164492A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 161112 : en es
  • FR891709A - Process for the production of an excipient for ointments not containing fat, and product obtained : en fr
  • GB559951A - Improvements in or relating to flexible liquid containers : en
  • US2344030A - Stocking : en
  • US2344072A - Vehicle having oscillating half axles : en
  • US2344118A - Typewriting machine with covering hood : en
  • GB559990A - Method and apparatus for shaping metallic or non-metallic stock : en
  • DE745249C - Device for reducing torsional vibrations : de en
  • GB559987A - New process for extracting metallic copper from natural products : en
  • FR891723A - Process for obtaining concentrated solutions of the active ingredients of aromatic plants : en fr
  • FR891728A - Food and its preparation process : en fr
  • USD137439S - Design fob a shoe sole : en
  • US2344430A - Torsional vibration damper : en
  • DK62013C - Frame for single-axle frames in three-axle, articulated frames for rail vehicles. : da en
  • GB560004A - Improvements in and relating to electric switches : en
  • CH231360A - Electric incandescent lamp with two filaments, especially for low-voltage lighting systems. : de en
  • CA418977A - Vegetable dicer : en fr
  • ES164434A3 - IMPROVEMENTS IN THE CALDEO CYLINDERS : en es
  • ES164465A1 - A NEW WHEEL TOY SYSTEM : en es
  • FR891732A - Barge fitted out as a hydraulic power plant : en fr
  • US2344264A - Pipe coating and wrapping : en
  • USD137458S - Design for a nail set : en
  • US2343959A - Air conditioning unit : en
  • US2344238A - Compressed fluid condenser : en
  • US2344285A - Upsetting of metal tubes, rods, or the like : en
  • DE745245C - Die casting machine working with piston pressure : de en
  • CA419036A - Vapour generator : en fr
  • DK62019C - Folding Table or Folding Chair. : da en
  • CH231342A - Quick changeover device for regulating devices operated by synchronous release. : de en
  • US2343911A - Truss : en
  • US2344271A - Power hoisting device fob : en
  • US2344397A - Power and control for articulated beds : en
  • US2344451A - Door latch : en
  • ES164718A3 - A CORDINATED ACTUATION MECHANISM OF THE WARP FOLDING CYLINDER AND THE FABRIC ROLLING CYLINDER IN LOOMS FOR THE MANUFACTURE OF METALLIC FABRICS : en es
  • GB560054A - A device for insertion into keyholes for obstructing same to prevent unauthorised entry : en
  • US2344418A - Process for the removal of undesirable sulphur compounds from petroleum oil : en
  • FR891617A - Guide and safety device for electric welding machine on outer lips : en fr
  • US2344411A - Treatment of cellulosic material to increase its reactivity : en
  • CH231338A - High frequency conductors, in particular for overhead lines. : de en
  • ES164788A1 - A DEVICE FOR THE BRAKING OF COMBUSTION ENGINES, ESPECIALLY OF SEAMEN : en es
  • US2344126A - Horizon gyro : en
  • CH231369A - Method for generating a control frequency for level regulation in a carrier frequency multi-channel system. : de en
  • CH231254A - Process for the production of sulfochloroacetic acid. : de en
  • CH231339A - Switching device for quick connection of line sections or other system parts in power transmission systems. : de en
  • GB560065A - Improvements relating to the directional control of air currents produced by fans and other rotary devices, for cooling aircraft engines : en
  • DE745475C - Use of nickel alloys for items that must have high fatigue strength : de en
  • ES164395A1 - COMBINED INSTALLATION OF MACHINES FOR THE MANUFACTURE OF ELECTRICALLY WELDED TUBES, OF STEEL STRIPS : en es
  • FR891619A - Bicycle braking improvements : en fr
  • GB559991A - Improvements in method of dyeing cellulose acetate and in compositions for use therein : en
  • CA418975A - Textile material waterproofing treatment : en fr
  • CH231324A - Method and device for processing and introducing liquid fuel into the combustion chamber of internal combustion engines. : de en
  • DE745620C - Bucket wheel excavator with a height-adjustable bucket wheel that can be moved against the excavation impact : de en
  • ES164356A1 - BRAKE MECHANISM FOR BIKES AND MOTORCYCLES : en es
  • FR52387E - Process of activating vegetation by the combination of cosmic waves and radioactive waves : en fr
  • US2344380A - Wheel suspension : en
  • DE745564C - Determination of the setting tab : de en
  • CH231429A - Process for the production of photosensitive systems. : de en
  • CA419060A - Power system : en fr
  • CH231412A - Process for the production of a new azo dye. : de en
  • CH231418A - Process for the preparation of a monoazo dye. : de en
  • US2344352A - Reversible power drive : en
  • ES164280A1 - A PROCEDURE FOR OBTAINING A PRODUCT OF ECONOMIZING EFFECTS IN GASOLINE AND OTHER FUELS : en es
  • US2344107A - Apparatus for supplying adhesive : en
  • US2344040A - Hopper gate adjusting means : en
  • GB559968A - Improved means for operating decompression valves in multi-cylinder internal combustion engines : en
  • DE745488C - Clamp to hold together the leadership posts of wooden giants : de en
  • ES164433A3 - IMPROVEMENTS MADE IN ELECTRIC MOTORS : en es
  • DE745430C - Piston pump for fluids : de en
  • FR891725A - Hydraulic seal for rotating body passing through a wall : en fr
  • US2344017A - Device for cleaning and drying roller stipplers : en
  • US2344210A - Book matches and cover : en
  • ES164232A1 - A PUMP FOR IRRIGATION, OF PISTON, SUBMERGED, OF TWO PARALLEL BODIES TO A SIMPLE EFFECT : en es
  • GB559983A - Improvements in or relating to electric soldering irons : en
  • CA418994A - Metallic container : en fr
  • ES164006A1 - A PROCEDURE AND APPARATUS FOR THE EXTRACTION OF NICOTINE CONTAINED IN TOBACCO : en es
  • ES164057A1 - A HYDRAULIC TRANSMISSION DEVICE FOR STEERING MOVEMENTS : en es
  • ES164585A1 - IMPROVEMENTS IN TOWING ARTIFICIES TO TRANSPORT THE ESUIADORES BY THE CABLE OF TRAILER : en es
  • US2343966A - Engine starter : en
  • US2344032A - Compression coupling : en
  • FR52393E - heating elements : en fr
  • FR891671A - Handpiece device for dental milling lathe : en fr
  • CH231437A - High frequency amplifier circuit. : de en
  • US2344081A - Process for causing luminescent substances to adhere to glass walls : en
  • CA418995A - Skelp welding unit with rolls : en fr
  • GB560018A - Improvements in apparatus for cutting continuous filaments into staple fibre : en
  • US2344306A - Hub extension for mounting tractors : en
  • US2344429A - Process of purifying sulphuric acid solutions : en
  • US2343919A - Piston ring structure : en
  • AU1316644A - Improvemennts in or relating to elecrical fuses : en
  • CH231217A - Gasifier. : en fr
  • US2344157A - Tail wheel mounting : en
  • CA419032A - Fluid heater : en fr
  • CH231258A - Process for the production of a new dye of the methine series. : de en
  • ES164806A1 - A PLATE PRESSING MACHINE FOR PRINTING ADDRESSES : en es
  • ES4220Y - Bag with special closure and handle to contain and transport garments. : en es
  • US2343877A - Loop-taker for sewing machines : en
  • US2343974A - Swimming suit : en
  • US2344215A - Refrigeration : en
  • ES164807A1 - A MECHANISM APRA THE EXTRACTION OF MATERIALS IN TREATMENT IN ROTARY CONTAINERS : en es