• USD97838S - Design fob an instrument case : en
  • US2024801A - Shipping container : en
  • US2024992A - Composite welding rod for hard facing : en
  • US2024490A - Dry ice refrigeration by conduction : en
  • AU1808234A - Improvement in electron beam tube : en
  • NL36976C - : en
  • US2024850A - Plunger lift with inserted outlet : en
  • US2024988A - Storage battery : en
  • US2024677A - Automatic friction clutch : en
  • US2024981A - Absorbefacient for dry-cleaning : en
  • US2024460A - Variable speed transmission device : en
  • US2024625A - Fire control device : en
  • US2024160A - Turret-head wrench : en
  • US2024714A - Electric furnace : en
  • US2024789A - Typewriter attachment : en
  • US2024954A - Method of separating products obtained in the oxidation of hydrocarbons : en
  • DE623271C - Mercury toggle switch tubes : de en
  • CA354773A - Weeder : en fr
  • US2025006A - Hair pulling device : en
  • CA354829A - Photo-electric cell : en fr
  • US2024174A - Method of making knitted fabrics : en
  • US2024454A - Cooking utensil : en
  • US2024679A - Manufacture of sodium carbonate decahydrate : en
  • US2024214A - Submarine signaling apparatus : en
  • US2024298A - Auxiliary propulsion unit : en
  • US2024482A - Agitating device : en
  • US2024496A - Radiator : en
  • US2024262A - Method of and apparatus for threading metal caps : en
  • US2024970A - Package : en
  • US2024446A - Volume control circuit : en
  • FR791854A - Elastic wheel for vehicles : en fr
  • FR791859A - Knife and knife handle manufacturing process obtained by this process : en fr
  • US2024562A - Lamp : en
  • CA354749A - Lead-headed and screw-threaded nail : en fr
  • GB439925A - Improvements in or relating to braking systems for motor vehicles : en
  • US2024519A - Automatic racking-out mechanism for knitting machines : en
  • FR791934A - Pressure device for stretching textiles : en fr
  • DE623259C - Bicycle stand : de en
  • GB440166A - Improvements in and relating to traps for killing rabbits and other vermin : en
  • CA354777A - Suction cleaner : en fr
  • FR791837A - Device for fixing a jewel on the garment or on the hair : en fr
  • GB440050A - Method of testing the ductility of metal sheets : en
  • DK51030C - Transillumination apparatus for use when reading the liquid level in measuring glasses. : da en
  • ES139897A1 - Valvular part system for masks. : en es
  • GB440125A - A railway rail joint : en
  • ES4351U - Apparatus for the reduction of the voltage of electrical energy in the receiving installations independent of the general networks. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439936A - Improvements in air mattresses : en
  • GB440095A - Improvements in and relating to woodworking machinery : en
  • USD97832S - Design for an ice cream cup : en
  • FR791871A - Manual electric arc welding device : en fr
  • GB439905A - Improvements in or relating to indicating apparatus particularly for use in tuning of radio receiving apparatus : en
  • FR791841A - Improvements to pneumatic tools : en fr
  • GB439989A - Improvements in pressure resisting locking devices for cover plates, lids or the like : en
  • US2024655A - Extension arm bridge lamp : en
  • US2024316A - Fire alarm and extinguishing apparatus : en
  • US2024693A - Gas burner : en
  • US2024830A - Process for the storage of soluble salts : en
  • FR791747A - Spring retainer for trim strips : en fr
  • FR791779A - Improvements to methods of reducing the width of a frequency band to be transmitted, with simultaneous transmission of all component frequencies and without extension of the transmission time : en fr
  • GB440400A - Preparation and use of aluminium compounds : en
  • US2024297A - Refrigerating apparatus : en
  • US2024312A - Brick veneer and art of applying the same : en
  • US2024875A - Combined can opener and pouring spout : en
  • US2024176A - Method of sintering : en
  • US2024266A - Refrigerating apparatus : en
  • US2024329A - Means for lubricating the cam shaped surface of the bolt of a lock : en
  • US2024429A - Liquid receptacle support : en
  • US2024688A - Locomotive truck : en
  • DE623231C - Rail fastening with track and direction control : de en
  • US2024893A - Jewelry component : en
  • GB440040A - Improvements in hinges and the like for moulded articles : en
  • US2024260A - Suction cleaner : en
  • DE623305C - Process for the recovery of fibers from waste : de en
  • FR791870A - Rotary Leaflet Card Holder Device : en fr
  • FR791892A - Film camera on reels : en fr
  • US2024701A - Tear-open envelope : en
  • US2024338A - Step-well closure and operating means therefor : en
  • US2024173A - Electric translating circuit : en
  • US2024825A - Whittling knife : en
  • GB439872A - Improvements in transmission universal joints : en
  • CA354780A - Oil and fat refining process : en fr
  • FR791756A - Improvements to a pendulum mechanism or pendulum mechanism more particularly applicable to a damper of vibrations due to the torsion of a rotating shaft such as an engine crankshaft : en fr
  • FR791873A - Cutting machine for cardboard and similar objects : en fr
  • FR792056A - Speed reducer by planetary movement combined with a progressive or decreasing speed variator : en fr
  • FR791741A - Transportable lifting bridge for vehicles : en fr
  • FR792095A - The electric cables : en fr
  • US2024530A - Knitting machine with horizontal design wheels : en
  • US2024399A - Return bend for cracking stills : en
  • US2024147A - Tension indicator : en
  • US2024749A - Preparation of halogenated ethers : en
  • DE623303C - Safety coupling : de en
  • FR791705A - Hermetically sealed container, particularly suitable as a rice powder box : en fr
  • FR791788A - Buttonhole sewing machine : en fr
  • ES4271U - Reheater disposed in the flues of the flue gases of a boiler. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792027A - Improvements to electric current rectifier devices : en fr
  • FR792077A - High frequency coil : en fr
  • DE623206C - Self-seller for gas, electricity or the like with basic fee cashier : de en
  • GB439841A - Improvements in or relating to plug-and-socket connectors for electrical circuits : en
  • GB440019A - Metallic cartridge cases for fire arms : en
  • US2024264A - Wheel for power-driven vehicles and the like : en
  • US2024573A - Lace fabric : en
  • US2024287A - Shearing machine : en
  • US2024828A - Vapor phase cracking apparatus : en
  • FR791852A - Device applicable to tulle looms to amplify the stroke of the bars : en fr
  • FR791938A - Method for influencing the tone of photographic developing images : en fr
  • GB440137A - Improvements in or relating to variable electric condensers : en
  • FR791940A - Lenticular lattice projection film production process : en fr
  • FR791985A - Air conditioning installation : en fr
  • GB439960A - Improvements in folding beds and chairs : en
  • DK51044C - Permanent Magnet. : da en
  • GB440053A - Improvements relating to apparatus for softening and heating water : en
  • US2024958A - Light metal piston : en
  • US2024158A - Playing court : en
  • US2024969A - Duplex locomotive : en
  • US2024536A - Journal bearing lubrication : en
  • US2024732A - Elevator system : en
  • US2024973A - Textile printing : en
  • US2024146A - Dentifrice and method of making same : en
  • US2024398A - Process for production of lecithin from vegetable raw materials : en
  • US2024816A - Radio receiving system : en
  • FR792058A - Paper with the addition of crude fibers of any kind, in particular hard fibers, such as sisal, manila, and other similar fibers, and papermaking device : en fr
  • FR791763A - Process for dyeing leather : en fr
  • GB439967A - Process for developing silver halide emulsions and photographic developers therefor : en
  • ES139883A1 - A procedure to obtain motor substances for coal engines and fuels for oil houses. : en es
  • ES139509A1 - Automatic regulation device for steam generators or similar, of combustion under pressure. : en es
  • GB439912A - Improvements in and relating to the spindles of spinning, roving and like frames : en
  • US2024345A - Sewage purifying device : en
  • GB440340A - Improvements relating to burners : en
  • ES139898A1 - Arrangement of the piston rings for fuel injection mechanisms in combustion engines. : en es
  • FR791913A - Ventilation window mechanism, for car bodies : en fr
  • FR792002A - Ticket printer : en fr
  • US2024223A - Spool and protector therefor : en
  • ES139911A1 - IMPROVEMENTS IN THE MANUFACTURE OF A PROTECTION AGAINST SLIPPING FOOTWEAR, ESPECIALLY IN SPORTS : en es
  • DE623279C - Centrifugal machine with outflow nozzles arranged tangentially opposite the direction of rotation of the drum on the drum : de en
  • GB439966A - Improvements in and relating to flexible couplings : en
  • FR791709A - Gear pump for artificial silk spinners : en fr
  • GB440066A - Improvements in or relating to tools for treating internal cylindrical surfaces : en
  • US2024576A - Electrical wave filter : en
  • US2024524A - Waterproof wall construction : en
  • US2024869A - Apparatus for motion pictures : en
  • US2024533A - Dry cleaning : en
  • US2024930A - Plumbing fixture : en
  • ES139413A1 - Machine to print several inks simultaneously. : en es
  • FR792094A - Improvements to machines controlled by punched cards and more particularly to punched card sorters : en fr
  • GB439895A - Machines for grinding material such as chocolate, paint and such like : en
  • US2024196A - Cutter bearing : en
  • FR792050A - Device for sealing a piston : en fr
  • FR792069A - Control device for tanks and pipes : en fr
  • GB440093A - Improvements in and relating to thermal switches : en
  • GB440104A - Improvements in or relating to aircraft provided with a winch supporting a trailing aerial : en
  • ES4344U - An improved media (Machine-translation by Google Translate, not legally binding) : en es
  • IE14020L - Sound reproduction : en
  • US2024570A - Dispenser for perfume and the like : en
  • FR791799A - Half-round shutter cover sliding in a slide for boxes of all shapes : en fr
  • US2024380A - Gear shaping tool : en
  • US2024563A - Process for the reproduction of sounds recorded by means of photograms : en
  • US2024963A - Brake : en
  • USD97885S - Design fob a glove : en
  • US2024664A - Railway train operating system : en
  • FR791853A - Improvements in the treatment of dispersions : en fr
  • GB440165A - Needle-threader : en
  • FR791937A - Device for absorbing the torque in the elastic cantilever landing punches : en fr
  • FR792080A - Electric oscillation generator : en fr
  • CA354799A - Radio tube socket : en fr
  • FR791845A - Improvement of machines for continuous processing of photographic and cinematographic tapes : en fr
  • US2024435A - Sewing machine throat-plate : en
  • US2024578A - Method of splicing rubber articles : en
  • US2024853A - Airplane : en
  • GB439814A - Improvements in centrifugal apparatus for separating dust or other solid particles from air and gases : en
  • ES4219U - Covers for the hermetic closing of containers, boxes and similar of celluloid paper and analogous substances, used as containers for all kinds of products. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439977A - Improvements in or relating to electrical communication systems : en
  • GB439876A - Automatic variable speed gear more particularly for motor vehicles : en
  • GB440112A - The manufacture of azo-dyestuffs : en
  • FR791819A - Process for forming, on aluminum or on its alloys and in particular on duralumin, an intermediate layer or sub-layer allowing the subsequent operation of chrome plating, nickel plating, etc. : en fr
  • FR791891A - Process for manufacturing a rubberized fibrous material : en fr
  • US2024441A - Lock : en
  • US2024761A - Valve control : en
  • USD97831S - Design for a box or similar : en
  • GB440068A - Improvements in or relating to toys : en
  • ES4337U - Balls or other insecticides (Machine-translation by Google Translate, not legally binding) : en es
  • CA354815A - Illuminated decorative device : en fr
  • US2024148A - Motor vehicle : en
  • US2024210A - High voltage electrolytic couple : en
  • US2024666A - Extraction of cellulose esters : en
  • US2024575A - Method of preparing dithiazyl disulphides : en
  • CA354781A - Metallurgical and chemical reaction apparatus : en fr
  • DE623226C - Durable wetting agents : de en
  • US2024159A - Finger holder : en
  • US2024310A - Tumbling method and apparatus : en
  • US2024602A - Protection of pipe joints : en
  • US2024288A - Storage battery terminal post : en
  • US2024881A - Loose leaf book and method of manufacture : en
  • CA354833A - Anti-rattling strip : en fr
  • CA354860A - Horseshoe : en fr
  • USD97839S - Design for a water closet : en
  • AU2056534A - Improvements in superheterodyne radio receivers : en
  • FR791751A - Improvements in sand pits for railway vehicles and other similar vehicles : en fr
  • FR791961A - Process for obtaining fluorine-containing layers on light metals and their alloys, in particular on magnesium and its alloys : en fr
  • US2024394A - Fluid pressure brake : en
  • US2024835A - Game apparatus : en
  • US2024854A - Means for treating substances : en
  • US2024913A - Detachable pouring spout : en
  • NL37015C - Machine for pressing toothed metal straps into a series of wooden planks or the like, to produce a box by folding the straps : en nl
  • FR791851A - Multipurpose tool for gardening work : en fr
  • FR791904A - Improvements to superchargers for internal combustion engines : en fr
  • FR791936A - Manufacturing process by rolling iron or steel objects particularly applicable to the cladding of large and medium sheets : en fr
  • FR791943A - Rotary machine : en fr
  • US2024501A - Cover for gas range burner compartment : en
  • US2024552A - Ophthalmic lens : en
  • US2024734A - Electric plug and connection holder : en
  • USD97834S - Design for a lighting fixture : en
  • FR791716A - Improvements to Reflection Heaters : en fr
  • US2024388A - Insulated electrode construction for spark plugs : en
  • GB440006A - Improvements in and relating to multi-colour cameras : en
  • ES4343U - An indicator of seats for rail cars (Machine-translation by Google Translate, not legally binding) : en es
  • GB439928A - Improvements in spring seat constructions : en
  • US2024179A - Pasteurizer : en
  • US2024559A - Pipe coupler housing and method of applying same : en
  • US2024572A - Return bend : en
  • US2024624A - Depilatory method and apparatus : en
  • US2024879A - Race starting barrier : en
  • US2024597A - Electric welding machine : en
  • US2024787A - Pump : en
  • US2024957A - Electrical transmission system : en
  • FR791825A - Improvements to hunting bags : en fr
  • FR792086A - Selectors refinements : en fr
  • GB439907A - Improvements relating to pumps of the flexible tube type : en
  • ES139426A3 - Plunger pump for liquid fuel. : en es
  • FR791737A - Advanced training in mechanical razors and their blades : en fr
  • GB439915A - Improvements in or relating to track brake magnets : en
  • FR792021A - Process for treating petroleum gasoline synthesis products from carbon and hydrogen oxides to obtain high-value anti-detonating gasoline and lubricating oils : en fr
  • GB439858A - Improvements in commutator motors : en
  • GB439904A - High-tension-proof roentgen tube : en
  • US2024544A - Pneumatic control device : en
  • GB440191A - Improvements in the manufacture of composite sheet material consisting of or including adhesively bound yarns : en
  • ES139991A1 - A secret security lock for room doors. : en es
  • CA354840A - End-of-line indicator : en fr
  • FR792082A - Starch manufacturing process : en fr
  • US2024932A - Apparatus for tip gluing paper sheets and the like : en
  • US2025001A - Butt welding pipe : en
  • USD97879S - Design for a waffle baker : en
  • FR791798A - Toxic gas protection device : en fr
  • DK51032C - Die bottle with pacifier. : da en
  • GB439924A - Improvements in steam generating installations, including waste heat and fuel fired boilers : en
  • GB440164A - Improvements in stockings : en
  • ES4249U - Plug socket with contact piece for the plug fitted into the socket : en es
  • US2024716A - Transformer air-blast equipment : en
  • DE623221C - Pressure reducing valve : de en
  • US2024220A - Self-adjustable clipper : en
  • GB439817A - Improvements in methods of mounting electric motors : en
  • GB439963A - Improvements in or relating to aircraft : en
  • ES4333U - Protable classifier of letters, receipts, invoices and other collection documents (Machine-translation by Google Translate, not legally binding) : en es
  • GB440138A - Improvements in or relating to electric discharge vessels : en
  • DE623215C - Air suspension for motor vehicles : de en
  • DE623216C - Thread cleaner with two parallel adjustable knives : de en
  • FR791949A - Improvements to piston rings : en fr
  • US2024402A - Cultivator construction : en
  • US2024465A - Combination scarf or necktie clasp : en
  • US2024836A - Folding bed : en
  • USD97858S - Design for an air valve : en
  • US2024252A - Broaching machine : en
  • GB440072A - Improvements in pyrophoric igniters : en
  • GB440096A - Improvements in or relating to the discharge and treatment of slurry from the main settling tank of a coal-washing system : en
  • FR791800A - Improvements to the methods of fixing aluminum alloy cylinder heads to cylinder groups of internal combustion engines : en fr
  • GB440411A - Improvements in and relating to the production of actively adsorptive materials : en
  • DE623298C - Feed roller for saw frame : de en
  • GB440263A - Improvements in the manufacture and production of ketones of the anthracene series : en
  • FR791988A - Improvements to glue application mechanisms, particularly for cigarette making machines : en fr
  • US2024321A - Method and means for controlling the tone of a radio set : en
  • US2024996A - Conversion of hydrocarbon oils : en
  • US2024811A - Vulcanizer : en
  • DE623382C - : de en
  • FR791757A - Chain derailleur system for gear change : en fr
  • US2024583A - Machine for delivering sheets : en
  • US2024619A - Automatic starter control : en
  • US2024935A - Railway braking apparatus : en
  • FR791951A - Resonance indicator assembly for superheterodyne receivers : en fr
  • DE623287C - Electrically or indirectly heated furnace : de en
  • ES4251U - Massage device for the gums in order to prevent and cure pyorrhea (Machine-translation by Google Translate, not legally binding) : en es
  • US2024307A - Mattressing : en
  • US2024630A - Ignition apparatus : en
  • US2024157A - Slicing machine : en
  • FR791823A - Electrical networks : en fr
  • FR791883A - Device for sharpening automatic razor blades with simultaneous longitudinal and transverse movements : en fr
  • GB439975A - Improvements in and relating to the production of hard metal alloys : en
  • FR791710A - Device for controlling the discharge of gas or vapor in an electric discharge chamber : en fr
  • GB439824A - Improvements in the low temperature carbonization of briquettes : en
  • GB440056A - Process and apparatus for improving the fuel air mixture for internal combustion engines : en
  • US2024504A - Blotting appliance : en
  • US2025020A - Internal combustion engine : en
  • ES2891Y - Luggage carrier device. : en es
  • FR791831A - Thick and permanently curved razor blades : en fr
  • GB440018A - Improvements in and relating to bomb and grenade firing small arms : en
  • US2024200A - Device for automatically writing the music played on instruments provided with keyboard or in any case with fixed tuning : en
  • US2024419A - Carburetor : en
  • US2024695A - Electron discharge tube : en
  • USD97853S - Design fob a hwemometer casing : en
  • US2024149A - Method of and apparatus for forming hollow articles such as tire tubes : en
  • DE623309C - Automatic electrical switching device for change gears, especially for motor vehicles : de en
  • GB440144A - A process for printing or dyeing with azo-dyestuffs : en
  • FR791900A - Improvements in the treatment of filaments, threads or similar products of organic derivatives of cellulose : en fr
  • IE13706L - Connectors for electric current conductors : en
  • DE623887C - Fishing rod holder : de en
  • FR791821A - Convertible dihedral bucket : en fr
  • FR791924A - Transmission and gear shift mechanism : en fr
  • GB440099A - Improvements relating to ships' hatches : en
  • GB440047A - Improvements relating to flexible pocket receptacles : en
  • US2024314A - Altimeter : en
  • US2024856A - Electric flatiron : en
  • US2024305A - Rolling of electrical conductors of noncircular cross section : en
  • US2024341A - Urinary receptacle : en
  • GB439873A - A process for the decolorization of crystal-sugar : en
  • GB440115A - Improvements in and relating to automatic control of variable physical characteristics : en
  • FR791884A - Sachet enhancements used for hair waving : en fr
  • GB439991A - Improvements in or relating to cooking utensils : en
  • FR791982A - Improvements to paper containers : en fr
  • US2024277A - Method of marking glass : en
  • US2024682A - Quick detachable hose coupling : en
  • US2024965A - Welding apparatus : en
  • ES4352U - Slip latch (Machine-translation by Google Translate, not legally binding) : en es
  • GB440196A - Improvements in and relating to electric discharge devices : en
  • DK51026C - Hygienic Protector for Toilet Seats. : da en
  • DE623400C - : de en
  • FR792006A - Process for the production of permanent magnets : en fr
  • GB439867A - Improvements in liquid-fuel burners of the "full-on or full-off" type : en
  • GB440059A - Improvements in storage bins for granular material : en
  • DK51029C - Pipe assembly for easily separable Pipelines. : da en
  • FR791781A - Process for transforming existing presses into machines for the production of lead pipes : en fr
  • GB439983A - Improvements in miners' safety lamps or the like : en
  • US2024342A - Railway car construction : en
  • US2025017A - Process for the production of chlorinated rubber : en
  • DE623196C - Device for the operation of electric flame arc furnaces with alternators driven by counter-rotating turbines : de en
  • US2024822A - Stabilization of ships by means of liquid filled tanks : en
  • US2024939A - Shoe for ironing machines : en
  • USD97847S - Design for a jab : en
  • DE623384C - : de en
  • CA354814A - Cigarette manufacture : en fr
  • DE623274C - Rectifier arrangement for alternating current measurements, control purposes or the like with rectifiers in a bridge : de en
  • FR791766A - Boat propulsion mode : en fr
  • FR792045A - Drill for dentistry : en fr
  • US2024905A - Check valve : en
  • GB439898A - Improvements in tables for use in motor cars and the like : en
  • GB440142A - Brake blocks : en
  • GB440151A - Improvements in hospital beds and invalid couches : en
  • GB439961A - Reverse motion preventer : en
  • GB439958A - Improvements in or relating to hearth curbs : en
  • GB439831A - Improvements in or relating to insulated electric conductors : en
  • GB439942A - Improvements in or relating to photo cells : en
  • ES4275U - A windbreaker jacket (Machine-translation by Google Translate, not legally binding) : en es
  • US2024205A - Journal box : en
  • FR791978A - Advanced coffee grinder : en fr
  • GB439803A - Improvements in or relating to apparatus for use in observing moving objects, such as the web of a multi-colour or other printing machine : en
  • GB439979A - Improvements relating to means or apparatus to be employed in testing or investigating and in maintaining or correcting or remedying and/or developing the power of humanvision : en
  • FR792048A - Improvements to typographic typesetting machines : en fr
  • ES4247U - Container for the sale of bulk liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791972A - Mobile toy : en fr
  • DE623247C - Inner viewing tube : de en
  • ES139718A1 - A footwear manufacturing process. : en es
  • FR791814A - Systems for humidification and air circulation : en fr
  • DE623220C - Device for remote operation of switches located in a substation u. Like. From a main station with feedback, in which the correct transmission of the switching commands is ensured by arranging several stepping mechanisms : de en
  • US2024892A - Towel rack : en
  • DE622692C - Pulse receiving circuit : de en
  • GB440064A - Improvements in or relating to the manufacture of plasterboard : en
  • GB439861A - Closure member for sheet metal containers : en
  • US2024696A - Sole pressing member for shoe presses : en
  • AU1960334A - Improvements in electron multiplying devices : en
  • AU2247235A - Improvements in scythes : en
  • FR791706A - Mechanism for transforming a reciprocating rectilinear motion into a continuous rotary motion : en fr
  • FR791772A - Compression-ignition, liquid fuel injection engine : en fr
  • GB439840A - Improvements in closures for bottles and the like : en
  • GB439995A - Improvements in electric discharge devices : en
  • GB440008A - Improved clamp device for laminar cores for electrical apparatus : en
  • GB440265A - Improvements relating to fans for circulating air and other gases : en
  • US2024493A - Refrigerator evaporator door : en
  • US2024838A - Electrical control system : en
  • US2024877A - Window : en
  • USD97857S - Design for a radiocabinet : en
  • FR791738A - Belt filter refinements : en fr
  • FR791775A - Improvements made to cinematographic devices, especially those with continuous film unwinding : en fr
  • GB439903A - Improvements in vacuum stripping apparatus for carding engines : en
  • FR791721A - Camera equipped with a viewfinder, a rangefinder and a photoelectric photometer : en fr
  • DE623269C - Cone clamp for electrical lines, especially for steel-aluminum ropes : de en
  • US2024456A - Parachute : en
  • FR792063A - All-metal car door : en fr
  • US2024177A - Treatment of textile materials : en
  • US2024241A - Air propeller : en
  • ES4255U - Binder folder and sheet support. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791824A - Installation and equipment for electrically controlled signal transmission : en fr
  • FR791997A - Automatic capillary siphon : en fr
  • IE14179L - Electrical tubular heating bodies : en
  • CA354744A - Frictional connector : en fr
  • DK51045C - Firearms with associated projectile. : da en
  • FR791979A - Welding process for chromium and chromium-nickel steels : en fr
  • GB439978A - Improvements in toy guns : en
  • CA354811A - Aliphatic amine production : en fr
  • ES4244U - Small coal burner with refrigeration. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024250A - Routing machine : en
  • US2024362A - Spring switch : en
  • CA354761A - Air conditioning apparatus : en fr
  • FR791947A - Universal simplified device for intervention on the thorax : en fr
  • US2024404A - Slicing machine : en
  • US2024806A - Woven wire screen : en
  • US2024889A - Milk bottle cover : en
  • US2024928A - Screen stile : en
  • FR791783A - Process for the manufacture of n-substituted amides of pyridinecarbonic acids : en fr
  • FR791998A - Power steering for all motor vehicles : en fr
  • GB440148A - Drilling and like machine-tools and feed mechanism therefor : en
  • FR791890A - New knitting and means allowing its manufacture : en fr
  • US2024153A - Temperature control device : en
  • US2024565A - Process for the production of lactic acid : en
  • USD97870S - Design for an ensemble dress : en
  • CA354845A - Button : en fr
  • CA354776A - Hull : en fr
  • FR792010A - Frequency reduction or reduction device : en fr
  • ES4338U - A new piece of furniture (Machine-translation by Google Translate, not legally binding) : en es
  • GB440088A - Improvements in or relating to electrical cooking apparatus : en
  • US2024325A - Leg splint : en
  • US2024248A - Paper treating means : en
  • US2024300A - Combined door-opener and doorcheck : en
  • DE623307C - Method of reducing the throwing of cinematographic picture films and sound picture films : de en
  • FR791817A - Lock : en fr
  • GB440071A - Improved means for indicating the liquid level in storage containers for liquids : en
  • US2024821A - Receptacle : en
  • US2024961A - Hung ceiling for sound insulation : en
  • USD97836S - Design for a compact : en
  • DE623100C - Conversion of a multi-cylinder ship piston steam engine : de en
  • US2024917A - Combined fruit squeezer and grater : en
  • US2024263A - Double acting engine : en
  • US2024648A - Refrigerating portable receptacle : en
  • FR791977A - Pump : en fr
  • US2024135A - Figure toy : en
  • GB439911A - Improvements in or relating to means for cushioning motion of a railway vehicle axle : en
  • US2024418A - Dispensing container : en
  • US2024721A - Device for regulating the flow of refrigerants in refrigerating plants : en
  • FR791808A - Device for automatic washing of tanks and other closed liquid containers : en fr
  • US2024759A - Pressure control mechanism : en
  • US2024186A - Metal drawing bench : en
  • US2024840A - Printing plate and method of making the same : en
  • US2024976A - Disposable sanitary napkin : en
  • US2024367A - Vacuum cleaner : en
  • NL37046C - : en
  • ES139401A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • FR791885A - Magnifying glass : en fr
  • US2024735A - Harvester reel : en
  • FR791711A - Process for the production of high quality coke from virtually non-coking coals : en fr
  • GB439998A - Improvements in or relating to wall construction and to wallboards for use therein : en
  • CA354825A - Metallurgical process : en fr
  • GB440054A - An improved apparatus for the manufacture and production of nitrogen or mixtures of nitrogen and hydrogen : en
  • FR792018A - Self-adjusting anti-friction pad : en fr
  • US2024574A - Automatic drain valve : en
  • US2024942A - Sound recording system : en
  • DE623197C - Flat weft knitting machine with edge deck and lower deck device : de en
  • FR791723A - Improvements to advertising apparatus and the like : en fr
  • FR791968A - Hydraulic jack with power limitation : en fr
  • ES4268U - Portable heater (Machine-translation by Google Translate, not legally binding) : en es
  • US2024363A - Bill fold : en
  • FR791712A - Advanced device for retreading pneumatic tires : en fr
  • FR792001A - Advanced training in electric welders : en fr
  • US2024927A - Means for turning girts in loop driers : en
  • US2024975A - Vat dye compositions and application thereof : en
  • US2024727A - Covering for curing concrete : en
  • US2024989A - Piston seal gasket : en
  • FR791915A - Turbo-pump combined with a liquid ring pump : en fr
  • DK51027C - Fish Filling Machine. : da en
  • DK51039C - Device at Water closets. : da en
  • DE623212C - Device for gluing the inner frames of cardboard sleeves : de en
  • FR791980A - Incandescent cathode for braun tubes, especially for television : en fr
  • CA354771A - Fastener : en fr
  • CA354818A - Alumininm compound recovery : en fr
  • ES139984A1 - Mechanism of accionamiento for commutators. : en es
  • FR791956A - Auxiliary mechanism transforms ordinary triggers into a single trigger, for hunting rifles or others : en fr
  • FR791984A - Anodes and process for making them : en fr
  • GB440193A - Improvements in the process of, and apparatus for, treating seeds containing oil and fat, and cereals : en
  • NL37128C - : en
  • US2024265A - Horseshoe : en
  • FR791974A - New wetting, dispersing and emulsifying agents : en fr
  • GB440257A - Improvements in or relating to electrically operated clockwork mechanism : en
  • FR791729A - Process for purifying crude methanol : en fr
  • GB439829A - Improvements in and relating to electric discharge lamps : en
  • US2024258A - Folding roller for printing machine folders : en
  • US2024775A - Process for making glass corner tiles : en
  • ES139982A1 - Procedure for the manufacture of shoes for children. : en es
  • US2024361A - Track sander : en
  • ES139751A1 - Arrangement for the steering with optical indication of the values of this one. : en es
  • GB439980A - Improvements in electric cables : en
  • FR792091A - Metal base plate for removable dental appliances and its manufacturing process : en fr
  • GB439815A - Manufacture of acid triphenylmethane dyestuffs : en
  • GB440017A - Improvements in electrodes for electric arc welding : en
  • US2024704A - Semielastic braced tie : en
  • US2025015A - Pyrometer device : en
  • FR791811A - Automatic rudder control, particularly applicable to aircraft : en fr
  • FR791863A - Reversible rubberized mat or coating and its manufacturing process : en fr
  • FR791935A - Process for the production of plated objects, particularly large and medium-sized sheets : en fr
  • GB439808A - Improvements in or relating to electric tests or measurements and apparatus therefor : en
  • GB439930A - Improvements in or relating to sparking ignition apparatus for internal combustion engines : en
  • DE623190C - Electric motor with built-in friction clutch between motor armature and pulley : de en
  • DE623246C - Vacuum cleaner nozzle with roller brushes rotatably mounted therein u. like : de en
  • GB439846A - Process of and means for obtaining cream from rubber latex and other sap or concentrates of particles dispersed in liquids : en
  • CA354831A - Window cushioning construction : en fr
  • US2024235A - Method of attaching rubber soles to shoes : en
  • US2024360A - Adjustable brush for vacuum cleaner nozzles : en
  • US2024520A - Saw tooth : en
  • USD97886S - Design fob a glove : en
  • US2024134A - Catamenial bandage : en
  • US2024391A - Whole grain corn cutter : en
  • US2024902A - Radio receiving apparatus : en
  • FR791994A - Gear change for motor-bike, by chain derailleur : en fr
  • ES4295U - Device to keep the soap bars suspended. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024290A - Refrigerating apparatus : en
  • US2024675A - Conveying apparatus for hardening rooms : en
  • DE586401C - See-through, angle and overhead viewfinder : de en
  • DE614967C - Film switching device for roll film cameras : de en
  • US2024234A - Compensator : en
  • US2024595A - Furnace structure : en
  • DE623278C - Process for the production of quick setting hydraulic cement : de en
  • FR791908A - Instant separator of fatty liquid or light supernatant on the surface of another more dense liquid : en fr
  • FR791911A - Roller Skate Improvements : en fr
  • GB440020A - Improvements in index tabs for cards or leaves for registers, records and the like : en
  • US2024256A - Pattern controlled die-sinking machine : en
  • US2024301A - Surgical appliance : en
  • US2024349A - Leakproof pressure valve : en
  • US2024523A - Car doorlatch : en
  • FR791735A - Lori-tractor : en fr
  • GB440103A - Improved manufacture of high-molecular true sulphonic acids : en
  • FR791862A - Collective oxygen dispenser with device allowing closed circuit breathing : en fr
  • GB440077A - Improvements in or relating to game or amusement apparatus : en
  • GB440117A - Improvements in sweeping machines for roads or the like : en
  • US2024259A - Steam cooker and food warming device : en
  • US2024527A - Scaffold coupling and clamp : en
  • ES139973A1 - Tube manufacturing process by helical strip welding. : en es
  • GB439956A - An improved process of and machine for planing tapered non-circular ingots and the like : en
  • IE13701L - Horse-box trailers : en
  • ES4328U - Rubber valve for items that can swell. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024257A - Treatment of wood : en
  • US2024993A - Scale remover : en
  • ES140013A1 - A procedure for making books, notebooks, brochures and folders with extensible sheets automatically. : en es
  • FR791991A - Process for clarifying manufacturing water and waste water of all kinds : en fr
  • GB440123A - Improvements in air-tight envelopes comprising ceramic materials : en
  • ES4254U - Hygienic tray for ladies' intimate use. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024550A - Display stand : en
  • FR791730A - Private radio system : en fr
  • GB439830A - Improvements in or relating to clocks or clock movements : en
  • GB440114A - Improvements in or relating to optical sound recording, reproducing and like systems : en
  • ES4129U - Adjustable cane system for clarinet and other wind instruments. (Machine-translation by Google Translate, not legally binding) : en es
  • ES4317U - Foldable and inviolable box of corrugated cardboard, applicable to various shipments, especially to postal packages. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792005A - Rotating hammer : en fr
  • GB440158A - Improvements in metal vapour ionic valves : en
  • US2024382A - Projection screen and allied methods : en
  • US2025023A - Electric discharge lamp : en
  • US2024357A - Method of making cake : en
  • US2024741A - Container, dispenser, and the like : en
  • US2024936A - Flusher type spray nozzle : en
  • US2024916A - Marking die : en
  • USD97861S - Design for a toilet accessory jar or : en
  • DK51047C - Antenna. : da en
  • FR791965A - Process for the treatment of mixtures containing free acid and acidic alkyl esters : en fr
  • DE607420C - Electrolytic process : de en
  • FR791780A - Sound photographic recording with color soundtrack : en fr
  • US2024164A - Arc welding electrode : en
  • US2024548A - Oil feeding and control tank for : en
  • ES139972A1 - A procedure for the dyeing of fabrics with debranched bars. : en es
  • GB440110A - Process for making oil soluble artificial resins : en
  • ES4354U - Rotary telephone index (Machine-translation by Google Translate, not legally binding) : en es
  • FR791901A - Improvements in the treatment of cellulosic filaments, yarns, tapes and the like : en fr
  • US2024462A - Cylinder head and combustion chamber construction : en
  • US2024839A - Fuel feeding mechanism : en
  • GB440002A - Improvements in or relating to knitting machines : en
  • AU2263235A - Improvements in safety razors and blades therefor : en
  • USD97877S - Design for an illuminated wreath : en
  • CA354787A - Absorptive paper : en fr
  • FR791960A - Improvements made to the production of cable heads for telephone or other circuits : en fr
  • GB440635A - Improvements in or relating to the automatic frequency regulation of alternating current supplies : en
  • US2024743A - Heat transfer surface : en
  • DE623224C - Method for producing flash sheets : de en
  • US2024653A - Quick action valve : en
  • US2024336A - Lubricating system for high speed "dry sump" motors : en
  • US2024912A - Universal joint : en
  • DE623409C - Process for the automatic control of the transfer power between electrical networks : de en
  • USD97862S - Design fob a lamp base or : en
  • US2024178A - Winding arbor : en
  • US2024407A - Ceramic flux and process of making same : en
  • GB440062A - Improvements in pumps for volatile liquids : en
  • AU2078535A - Improvements in electric discharge lamps : en
  • FR792047A - Tool for pneumatic jackhammer with damping device and with or without splitting wedge : en fr
  • GB439938A - Improvements in or relating to switch devices for kinematograph apparatus : en
  • FR792088A - New expandable metal grid device : en fr
  • US2024844A - Parking device : en
  • DE623234C - Circuit arrangement for an additional payment device : de en
  • FR792061A - All-metal bodywork for automobiles : en fr
  • US2024272A - Stropping and honing device : en
  • US2024145A - Deodorant : en
  • US2024813A - Convertible web printing press : en
  • ES4156U - Plug or screw adaptable to all kinds of bottles and other containers (Machine-translation by Google Translate, not legally binding) : en es
  • FR791919A - Process to obtain an anti-rust product based on chromic acid or chromates : en fr
  • GB439929A - Improvements in seats or seat supports : en
  • GB440000A - Improvements in or relating to hair waving appliances : en
  • USD97876S - Design fob a pitcher : en
  • NL38086C - : en
  • GB440022A - Improvements in recoil-absorbing devices for fire-arms : en
  • FR791849A - Process for improving the finish of cookies and improvement in cookie baking ovens by application of this process : en fr
  • FR792083A - Manufacturing process of a material resistant to oil and solvents : en fr
  • ES4283U - Tie bra. (Machine-translation by Google Translate, not legally binding) : en es
  • ES4286U - Fire extinguishing apparatus. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024335A - Air brake : en
  • US2024924A - Process of making xanthates : en
  • FR791794A - Improvements to rake filters : en fr
  • GB439850A - An improved form of washable sterilizable bath-strap or sponge substitute : en
  • GB439862A - Installation for the distant operation of one or more preselective variable speed mechanisms : en
  • ES4257U - Formwork rail for road construction (Machine-translation by Google Translate, not legally binding) : en es
  • US2024495A - Cap for containers : en
  • USD97860S - Design for an embroidered textile : en
  • US2024592A - Telephone system : en
  • US2024888A - Tire retreading apparatus : en
  • DE623295C - Storm protection for loading bridges movable on rails : de en
  • GB440185A - Improvements in or relating to apparatus for the electrical production of heat for boiling, cooking or other purposes : en
  • US2024387A - Glow plug : en
  • AU2121535A - Detachable armrest particularly applicable asan automobile interior fitting : en
  • US2024870A - Rail fastening : en
  • US2024746A - Current regulator : en
  • US2024638A - Carburetor : en
  • US2024863A - Game apparatus : en
  • US2024871A - Toggle bolt and sleeve : en
  • DE623293C - Russblaeserrohr : de en
  • CA354757A - Die and tool mounting method : en fr
  • CA354827A - Crystalling hydrate production : en fr
  • ES4316U - Apparatus for squeezing grape. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791708A - Color concentrate and its manufacturing process : en fr
  • US2024795A - Paper box : en
  • USD97854S - Design for a combined vending ma : en
  • CA354859A - Filament manufacture : en fr
  • US2024245A - Device for sharpening scissors or the like : en
  • US2024826A - Carrier web and method of forming same : en
  • US2024956A - Mathematical instrument : en
  • US2024438A - Wrapping machine : en
  • US2024596A - Truck body : en
  • US2024964A - Cop holder : en
  • US2024983A - Device for promoting marital accord : en
  • ES139720A1 - Improvements introduced in the manufacture of valves with pressure reducer for compressed gases, single adjustable control. : en es
  • US2024451A - Grid bar for cotton openers : en
  • US2024926A - Oil pressure switch : en
  • FR791955A - Sink unblocker : en fr
  • US2024284A - Apparatus for making leather substitutes : en
  • US2024309A - Knife stabilizer for mowers and reapers : en
  • US2024479A - Proportioning device for fluids : en
  • US2024184A - Roller for oil mix roads : en
  • CA354767A - Water meter : en fr
  • DE623253C - Drilling device for fine drilling of several consecutive holes : de en
  • CA354852A - Bed : en fr
  • ES4297U - Coating of metallic carpentry fittings or of any other kind (Machine-translation by Google Translate, not legally binding) : en es
  • GB440141A - Improvements in or relating to domestic hot water supply systems : en
  • AU2236035A - An improved feed door for storage bins : en
  • US2024663A - Turbine drive for automobiles : en
  • US2024910A - Container : en
  • US2024162A - Control mechanism : en
  • US2024874A - X-ray photography : en
  • USD97875S - Design fob a refrigerator cabinet : en
  • DK51022C - Franking machine. : da en
  • DE623281C - Molded pallet machine with one-sided mounted pallet roller and a mold that can be pressed against it and is mounted in the middle : de en
  • GB440010A - Improvements in and relating to the manufacture of refractory bricks, slabs and the like : en
  • DE622561C - Connection of metallic conductors : de en
  • US2024950A - Method and apparatus for making cast metal containers : en
  • FR791875A - Improvements to high frequency signaling systems : en fr
  • FR791975A - Mercury switch : en fr
  • FR791718A - Provision for the protection of high voltage installations by means of fuses : en fr
  • AU2014934A - Improvements in and relating to radio receiving apparatus for use in automobiles andthe like : en
  • ES4250U - Float or shipwreck rescue device and indicator of shipwrecked vessels of all kinds. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791905A - Improvements to fiber treatment devices for textile machines : en fr
  • ES4350U - A new cotton roll compress (Machine-translation by Google Translate, not legally binding) : en es
  • FR791714A - Hydraulic drive with divided power transmission : en fr
  • FR791732A - New electric capacitor : en fr
  • AU2281035A - Improvements in horseshoes : en
  • DE623267C - Device for maintaining the overpressure of the heating fluid in a closed circulation system working with a circulating pump, which is connected to the pressure side of a pump which is used to supply heating fluid : de en
  • US2024359A - Deflector for gas stoves and the like : en
  • USD97871S - Design for a soda fountain cabinet : en
  • CA354855A - Covering material : en fr
  • ES139065A1 - Improvements in the nuts and screws to achieve its perfect fixation. : en es
  • GB439899A - Improvements in and relating to compositions of matter : en
  • FR791733A - Travel process for extraction installations, in particular cuffat extraction, for the simultaneous extraction and descent of materials : en fr
  • US2024209A - Machine cooling apparatus : en
  • FR792000A - Aircraft propeller pitch adjustment system : en fr
  • FR792096A - Steam lamp : en fr
  • GB439874A - Parasiticidal compositions and preparations : en
  • GB439845A - Improved arrangement for securing the bowl liners of cone crushers : en
  • GB439826A - Improvements in or connected with toy aeroplane gliders : en
  • FR791912A - Improvements to gear change mechanisms : en fr
  • FR791930A - Replaceable walking pad for heels of shoes, boots, boots, etc. : en fr
  • GB440094A - Improvements in or relating to electron emitters for electron discharge devices : en
  • FR792022A - Rear landing device with stick for flying machine : en fr
  • GB439897A - Improvements in, or relating to, electrical couplings of the plug-and-socket type : en
  • AU2281935A - Improvements in gas-heated laundry irons : en
  • US2024393A - Method of freeing gases from sulphur compounds : en
  • ES138072A3 - Improvements in the manufacture of elbows for ships. : en es
  • ES4319U - Air injector device to dislodge foreign materials or bodies inside the liquid passage tubes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB440036A - Improvements in methods of and apparatus for treating the water in coal washing systems : en
  • DE623268C - Hollow bodies of any shape formed by solid, heat transferring partitions : de en
  • AU2060734A - Improvements inthe forming of thick paper articles such as barrels tubs, plates andthe like : en
  • FR791818A - Process for the manufacture of aldehydes 3. alkoxy. 4.oxybenzoics : en fr
  • FR792044A - Production of chromium-containing azo dyes : en fr
  • US2024170A - Combination chair and cot : en
  • US2024464A - Lubricating means for shock absorbers : en
  • US2024410A - Universal joint : en
  • US2024431A - Card table : en
  • US2024590A - Toy : en
  • US2024190A - Automobile parking and storage machine : en
  • US2024876A - Temperature control device : en
  • US2024351A - Therapeutic table : en
  • CA354826A - Casting production : en fr
  • DE590696C - Device for bicycles : de en
  • ES4265U - Metal screen with metalized paper or metal reflector. (Machine-translation by Google Translate, not legally binding) : en es
  • GB440337A - Improvements in and relating to thermionic valve circuits : en
  • ES3694Y - Screw neck bottle cap. : en es
  • US2024846A - Conveyer : en
  • DE623244C - Russblaeser : de en
  • FR791750A - Transformer for electric welding arc supply : en fr
  • FR792059A - Self-adherent denture : en fr
  • GB439957A - Improvements in and relating to gas or vapour filled electric discharge apparatus : en
  • FR791804A - Connection establishment system for electrical devices : en fr
  • GB440061A - Improvements in yarns and fabrics : en
  • GB440336A - Improvements in motorcycles : en
  • GB440005A - Cartridge-carrying belt for automatic firearms : en
  • FR792040A - Low : en fr
  • GB440009A - Horizontal chamber coke ovens for the production of gas and coke : en
  • GB439847A - Improvements in or relating to fuel injection pumps for reversible internal combustion engines : en
  • GB439896A - Improvements relating to apparatus for the control dependent upon load, of the speed of an electromotor, supplied through grid controlled current rectifiers : en
  • US2024304A - Apparatus for making inner tubes for tires : en
  • GB440135A - Improvements in the printing cylinders of rotary duplicating machines : en
  • FR791789A - Improvements to hooks for machines operating the doors of coke ovens : en fr
  • ES139856A1 - A new type of thermo-mixer of masses of ground olives for the extraction of oils. : en es
  • FR791812A - Device for the preparation of carbonated liquids for baths and drinks : en fr
  • DE623251C - Tool carrier for special lathe bars for processing square, pyramidal workpieces with rounded edges : de en
  • DE623255C - Roll film camera : de en
  • CA354774A - Door bolt and latch : en fr
  • FR791976A - Improvements to ship telephones : en fr
  • US2024906A - Method of heating electrically conducting bodies : en
  • US2025018A - Explosion motor : en
  • FR791946A - Improvements to "thermovelocimetric" devices usable as fire alarms : en fr
  • FR791826A - Pump control mechanism : en fr
  • FR792073A - Bag : en fr
  • GB439959A - Improvements in turning-lathes : en
  • US2024698A - Power transmission : en
  • ES4305U - Rattle. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791790A - Process for the production of ferro-magnetic cores in iron powder : en fr
  • GB440163A - Improvements in or relating to tulle or like looms : en
  • CA354763A - Iodine battery : en fr
  • GB440042A - Improvements in or relating to couplings for transmitting a drive between two mutually inclined shafts : en
  • GB440027A - Improvements in or relating to envelope making machines : en
  • US2024658A - Preparation of mixed esters of cellulose : en
  • US2024994A - Road grader : en
  • US2024447A - Traverse motion for spinning or twisting frames : en
  • US2024269A - Piston : en
  • US2024348A - Gutter hanger : en
  • US2024908A - Hot water bottle of rubber : en
  • CA354793A - Cathode ray tube : en fr
  • CA354789A - Internal combustion engine : en fr
  • CA354821A - Vulcanized rubber article : en fr
  • USD97884S - Design for an embroidered textile : en
  • CA354775A - Tractor transmission mechanism : en fr
  • ES4315U - Apparatus for squeezing grape and other similar fruits. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024445A - Welding method and means : en
  • US2024195A - Radio program apparatus : en
  • US2024189A - Loading of sewer pipe, building tile, etc., for railway shipment : en
  • US2024154A - Sole pressing means and method of making shoes : en
  • US2024684A - Motor-driven hammer : en
  • USRE19788E - Method of and apparatus for : en
  • US2024730A - Roller core breaker for bits : en
  • CA354754A - Pulp screening machine : en fr
  • CA354856A - Multifocal lens producing apparatus : en fr
  • CA354819A - Suction cleaner : en fr
  • US2024878A - Defroster : en
  • US2024427A - Starting device for internal combustion engines : en
  • US2024604A - Eyeball for dolls : en
  • USD97867S - Design for an ensemble dress : en
  • US2024632A - Fluid pressure brake device : en
  • ES3783Y - Device for the exit of gases from galvanized batteries. : en es
  • ES4334U - Separating ring for vehicle wheels. (Machine-translation by Google Translate, not legally binding) : en es
  • CA354844A - Button : en fr
  • US2024488A - Concrete pipe joint : en
  • US2025005A - Multiple control apparatus : en
  • US2024326A - Method and machine for making perforated rib fabric : en
  • US2024330A - Pedestal : en
  • US2024414A - Bread slicing machine : en
  • US2024705A - Microphone : en
  • US2025009A - Tube cleaner : en
  • US2024477A - Vulcanization of rubber and products obtained thereby : en
  • US2024603A - Car supporting means : en
  • US2024818A - Machine for glazing glassware : en
  • US2024377A - Container : en
  • US2024768A - Wire-drawing apparatus : en
  • US2024857A - Time controlled annunciator : en
  • US2024725A - Elevator control system : en
  • FR791878A - Car luggage rack : en fr
  • FR791954A - Cross-split sliding bearing for high speeds : en fr
  • CA354850A - Coke oven distillation product removing means : en fr
  • US2024475A - Drain strainer : en
  • US2024611A - Treatment of pigments : en
  • GB439986A - Improvements in swivels for use more especially with chain cables : en
  • US2024192A - Sash construction : en
  • US2024940A - Window scaffold : en
  • DE623304C - Supply regulator for gases : de en
  • ES139475A3 - A procedure for the manufacture of boards of all kinds, with wavy or curved surfaces, for the construction of furniture. : en es
  • GB439917A - Improvements in or relating to electric storage batteries : en
  • FR791857A - Ball skill game : en fr
  • GB439819A - Improvements in or relating to methods of and apparatus for rendering powdered materials fluid : en
  • ES4358U - A vault for metal and concrete trusses (Machine-translation by Google Translate, not legally binding) : en es
  • ES139425A1 - An apparatus for making containers open on one side only. : en es
  • GB440069A - Improvements in or relating to means for the automatic regulating of carburettors according to height : en
  • US2024198A - Furnace structure : en
  • USD97864S - Design for a beauty mask : en
  • GB440031A - Improvements in and relating to gas or vapour filled electric discharge apparatus : en
  • CA354786A - Brake : en fr
  • GB439810A - Improvements in or relating to motion picture cameras and projectors : en
  • DE623297C - Leaf saw with foot operation : de en
  • ES4147U - Support us for bicycle guides. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791893A - Rotation device for lowering coating tubes into boreholes or boreholes : en fr
  • AU2053634A - Improvements in or relating to television and like systems : en
  • CA354842A - Telegraph message classification system : en fr
  • US2024644A - Process and solution for treating photographic images : en
  • US2024650A - Method of making plungers for glass molds : en
  • US2024848A - Internal combustion engine : en
  • DE623272C - Freewheel clutch housing for right and left switching of automatic switches : de en
  • GB439908A - Improvements in rotors for pumps and blowers : en
  • GB439839A - Improvements in and connected with cycle hubs : en
  • US2024673A - Joint for artificial limbs : en
  • US2024702A - Display carton : en
  • US2024790A - Television apparatus : en
  • US2024923A - Process of making xanthates : en
  • ES139961A1 - A thermal disconnection electric current limiter. : en es
  • ES4264U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792074A - Pump : en fr
  • CA354785A - Transmission mechanism : en fr
  • FR791755A - Development of fully separable slide closures and staple strips : en fr
  • US2024797A - Mordant trisazo-dyestuffs and their production : en
  • US2024824A - Capper : en
  • US2024998A - Road guard : en
  • DE623240C - Discharge vessel with several systems : de en
  • US2024508A - Heating system : en
  • US2024442A - Locking garment hanger : en
  • US2024656A - Electropneumatic brake : en
  • US2025014A - Guard rail : en
  • US2024213A - Power take-off control : en
  • US2024228A - Soluble ink fountain pen : en
  • US2025007A - Driving belt : en
  • GB439844A - Improvements in or relating to clips for hose-pipe and like joints : en
  • CA354743A - Carrier bag : en fr
  • ES4017U - Folding table. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791830A - Improvement in the method of mounting connections on brushes intended for electrical engineering : en fr
  • FR791715A - Method and device for the radiographic representation of plane-parallel layers of the body : en fr
  • ES4280U - Table, with internal mechanism, for football game directed. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024320A - Filling station pump : en
  • US2024728A - Resilient support : en
  • ES139958A1 - New breeding system for chicks and other poultry. : en es
  • FR791828A - desiccant element, its manufacturing process and its applications : en fr
  • CA354832A - Window channel : en fr
  • FR791722A - Process for the preparation of monoazo dyes : en fr
  • GB439987A - Improvements in or relating to water heaters and/or storage tanks : en
  • ES139415A1 - Improvements in the manufacture of metal armored grid valves. : en es
  • FR792064A - Process for preparing 2, 3-dihydrindols : en fr
  • DE623273C - High-performance fuse with melting chamber and expansion chamber : de en
  • US2024623A - Combination rotary disk-plow pulverizer : en
  • GB440014A - Improvements in screw machines : en
  • FR792066A - Development of electric heating elements for ovens, stoves and other applications : en fr
  • GB439939A - Improvements in and relating to cigarette-making machines : en
  • FR791827A - New fabric and its applications, in particular to parachute wings : en fr
  • US2025011A - Boiler : en
  • DE623264C - Machine for the production of pipes from cementitious material or for lining pipes with this material : de en
  • GB440063A - Improvements in or relating to impulse transmitters for electric remote control systems : en
  • US2025002A - Method of rolling sheet metals : en
  • US2024760A - Supporting apparatus : en
  • US2024962A - Making of rayon : en
  • US2024396A - Process for purifying organic explosive compounds : en
  • US2024478A - Proportioning device for liquids : en
  • FR792034A - Catapult seat : en fr
  • US2024799A - Method of and apparatus for measuring time intervals : en
  • ES139003A1 - Improvements in the construction of sofas or daybeds that become bed. : en es
  • FR791769A - Improvements relating to the reception or emission of radiated energy : en fr
  • FR791809A - Heat recovery water heater : en fr
  • FR791847A - Improvements to cam controls : en fr
  • FR792049A - Spinning method, in particular for floche twist yarns and spinning device for the practice of this method : en fr
  • GB439865A - Improvements in or relating to change speed gear mechanism : en
  • GB440131A - Improvements relating to braking apparatus for railway and other vehicles : en
  • US2024385A - Heater-cooler thermostat : en
  • US2024809A - Package for perishable products : en
  • US2024834A - Exhaust gas silencing and cooling device for engines : en
  • FR791856A - Cryptographic device : en fr
  • GB440079A - Improvements in or relating to wooden air-screws : en
  • FR791829A - Receiver device for hydraulic control of vehicle brakes and other applications : en fr
  • US2024142A - Shade roller : en
  • FR791833A - Improvements to aircraft bombs and their bomb launchers : en fr
  • DE623256C - Switching device on roll film cameras : de en
  • US2024635A - Process of producing multi-layer paper, cardboard, pasteboard, boxboard and the like, and product thereof : en
  • US2024766A - Overshoe : en
  • US2024882A - Construction of casings for books and particularly loose leaf binders : en
  • DE623214C - Two-lane wagons, especially motor vehicles, with gyro stabilization : de en
  • US2024948A - Method of and apparatus for signaling : en
  • GB439937A - Process for the manufacture of a practically tasteless quinine compound : en
  • US2024710A - Safety razor : en
  • US2024887A - Door support : en
  • GB439921A - Pneumatic crutch pad : en
  • FR791815A - Checking and selection device for lamp making machine : en fr
  • FR791886A - Improvements to needles intended to cooperate with phonograms : en fr
  • FR792030A - Device for filter candle plug allowing, without dismantling, the evacuation of air preventing ignition : en fr
  • FR791887A - Material for the fabrication of shielding plagues for safes, treasury rooms and other applications : en fr
  • FR792008A - Process of joining pieces of leather together or joining leather and other materials : en fr
  • US2024182A - X-ray machine : en
  • US2024472A - Door closing and checking device : en
  • NL37062C - Liquid fuel appliance with a gasification burner and an auxiliary burner of the atomizer type : en nl
  • GB439927A - Improvements in or relating to methods of sealing conductors into glass envelopes for radio tubes, incandescent lamps and the like : en
  • FR791784A - Improvements to leaf springs : en fr
  • FR792098A - Device for two-sided high frequency traffic with wave change on power transmission lines : en fr
  • FR791850A - Improvements to electric musical instruments : en fr
  • FR791864A - Coating material for roads and others and method of manufacture : en fr
  • US2024163A - Bag frame : en
  • US2024606A - Mercaptan-amine derivative and process for producing it : en
  • US2024354A - Printing machine : en
  • US2024463A - Pressure solvent filter : en
  • US2024521A - Heat exchanger : en
  • US2024791A - Process for the manufacture of masses and articles having a porous cellular structure : en
  • USD97848S - Design for a shockproof head for : en
  • FR791727A - Insecticidal powder : en fr
  • FR791881A - Advertising packaging : en fr
  • US2024343A - Fluid pressure braking system : en
  • US2024328A - Vehicle wheel brake : en
  • US2024492A - Fluid register : en
  • US2024616A - Treatment of sheets of fibrous materials : en
  • US2024752A - Pressure indicating device : en
  • US2024581A - Telegraph toll system : en
  • DE623222C - Hydraulic forging press : de en
  • DE623301C - camp : de en
  • FR791855A - Triple-axle delivery car, with steerable front and rear axles, the rear part of which can be disengaged and used as a lighter or trailer : en fr
  • GB439853A - Improvements in or relating to electric overload protective systems and apparatus therefor : en
  • DK51033C - Cabinet. : da en
  • US2024226A - Apparatus for treating gas : en
  • US2024758A - Hand bag : en
  • CA354750A - Engine oil heater : en fr
  • US2024247A - Blasting cartridge : en
  • US2024401A - Rocker arm for overhead valve gas engines : en
  • US2024509A - Mixing apparatus : en
  • FR792015A - Hot water producer : en fr
  • US2024167A - Shoe and method of making the same : en
  • US2024365A - Carton embossing apparatus : en
  • US2024433A - Apparatus for the manufacture of the grooved rolls as used in pilger rolling mills : en
  • US2024750A - Wire stitching machine : en
  • US2024538A - Change speed apparatus : en
  • US2024283A - Grinding machine : en
  • US2024745A - Laminated punching with small air-gap between teeth : en
  • US2024403A - Slice stacking mechanism : en
  • DE623239C - Multi-pole, self-starting synchronous motor : de en
  • ES3767Y - Snap closure for earrings, badges or decorations for lapels and dresses, decorative buttons and other similar applications. : en es
  • GB439800A - Improvements in pick-up devices for reproducing sound records applicable also to recording apparatus : en
  • GB439973A - Improvements in or relating to means for scavenging the cylinders of internal combustion engines : en
  • FR791959A - Method and device for vibrating materials susceptible to settling : en fr
  • CA354758A - Shoe manufacture : en fr
  • FR792051A - Process for producing dyes for vats : en fr
  • US2024356A - Confection and method of producing same : en
  • DK51040C - Method for Manufacturing Plant Phosphatide Products. : da en
  • ES3779Y - Retainer for window and door leaves. : en es
  • US2024141A - Racket stringer : en
  • US2024691A - Buffing wheel and method of making the same : en
  • US2024738A - Safety bolt for window cleaners : en
  • FR791834A - Material for hearing room walls or others : en fr
  • GB439825A - Improvements in or relating to liquid supplying devices for moistening appliances orthe like : en
  • CA354851A - Paper dryer felt : en fr
  • US2024293A - Driving and stopping mechanism : en
  • DE623299C - Punching machine for punching out small workpieces from material plates of irregular shape : de en
  • GB440152A - An improved attache case : en
  • US2024593A - Method of making square-head screws : en
  • US2024518A - Density control device for knitting machines : en
  • US2024139A - Receiving system : en
  • US2024925A - Process for preparing xanthates : en
  • US2024933A - Slicing machine : en
  • GB440030A - Improvements in or relating to brush holders for electric motors : en
  • GB439914A - Improvements in or relating to speed governing apparatus for injection internal combustion engines : en
  • US2025012A - Guard rail : en
  • ES4294U - Device to hold, in umbrellas and parasols, the steering wheel or barrel to the cane by means of a lever provided with a special reinforcement or shape. : en es
  • GB439799A - Improvements relating to hydraulically controlled variable speed gearing : en
  • GB439833A - Improvements in or relating to the treatment of leather with india-rubber : en
  • FR792078A - Process for processing rubber : en fr
  • US2024319A - Plug for tubes : en
  • DE623254C - Switch-off device for the stroke movement of the feeder : de en
  • US2024244A - Method of making brake drum seal devices : en
  • US2024204A - Journal box : en
  • US2024439A - Abrasion-resistant lining with supporting structure : en
  • US2024216A - Circuit breaker : en
  • US2024270A - Flush valve : en
  • US2024502A - Dyestuff printing paste : en
  • GB440111A - Improvements in or relating to thermostatically-operated valve control devices : en
  • DE623203C - Device for lifting the wheels of vehicles and for measuring the respective wheel pressure : de en
  • CA354795A - Vehicle brake : en fr
  • US2024873A - Sink flusher : en
  • US2024886A - Door support : en
  • US2024503A - Carton filling machine : en
  • US2024896A - Automobile ignition device : en
  • US2024468A - Service tray for automobiles : en
  • DE622359C - Inking unit for printing machines, especially rotary printing machines : de en
  • FR792032A - Mattress : en fr
  • US2024860A - Self contained electric knife sharpener : en
  • US2024748A - Method of manufacturing glassware and apparatus therefor : en
  • ES4323U - Suspension of adjustable supports for cars and children's chairs. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024709A - Freewheeling unit for change speed transmissions : en
  • USD97830S - Design fob a corner shelf : en
  • US2024229A - Soluble ink fountain pen : en
  • IE14082L - Refrigerators : en
  • GB440058A - Improvements in or relating to cathode ray oscillographs : en
  • US2024236A - Method of attaching leather soles to shoes : en
  • US2024609A - Sound picture system : en
  • US2024959A - Bookbinding machine : en
  • FR791880A - Process for preparing magnesium sulfate poor in water or anhydrous : en fr
  • GB440106A - Braun tube for producing television images of large size : en
  • FR791773A - Process for hardening the surface of metal parts : en fr
  • ES4282U - A tilting bin for wastepaper basket (Machine-translation by Google Translate, not legally binding) : en es
  • GB440003A - Improvements in or relating to bending machines for cardboard and like material : en
  • GB440184A - Improvements in and relating to means for controlling the supply of fuel to burner furnaces : en
  • GB440480A - Improvements in or relating to constructional parts, or articles, manufactured from copper-zirconium alloys : en
  • FR791990A - Device for the production of scum for waste water clarification plants by the flotation process using scum : en fr
  • GB440041A - Improvements in or relating to loud-speakers and the like : en
  • ES139936A1 - An automatic pressure filler of liquid and semi-liquid materials in hermetically sealed containers. : en es
  • GB439948A - Improvements in variable-speed gear selecting and shifting mechanism : en
  • GB440147A - Paste cutting roller : en
  • ES4299U - An armed cement cup (Machine-translation by Google Translate, not legally binding) : en es
  • ES4318U - A closing device for bottles (Machine-translation by Google Translate, not legally binding) : en es
  • FR791782A - Transportable installation for direct or alternating current measurements : en fr
  • FR791986A - Method and device for bringing materials in powder form to a determined density, and where appropriate for filling boundary enclosures with adjustable quantities of these materials : en fr
  • CA354783A - Tube support : en fr
  • CA354812A - Amine production : en fr
  • GB440001A - Improvements in or relating to ladies' handbags and the like : en
  • US2024665A - Air cleaner : en
  • CA354828A - Microphone transmitter : en fr
  • DE623296C - Two-rope gripper : de en
  • US2024280A - Means to reduce the effect of interfering currents on telephone circuits : en
  • US2024898A - Can server : en
  • US2024498A - Hair clamp : en
  • AU1876734A - Driving toy aircraft by percussion : en
  • US2024584A - Spinning spindle : en
  • US2024960A - Convertible furniture : en
  • DE623260C - Door lock with invisibly built-in pull protection for the gap opening : de en
  • US2024564A - Device for cleaning range boilers : en
  • US2024243A - Brake drum seal device : en
  • US2024274A - Reaction-propulsion method and plant : en
  • US2024512A - Vacuum sealing can : en
  • US2024631A - Valvular filler spout : en
  • DE623249C - Device for automatic pressure control in compressors, especially in charge compressors for internal combustion engines : de en
  • US2024551A - Snowplow : en
  • DE623285C - Device for regulating a counter-pressure machine regulated for performance : de en
  • DE623410C - : de en
  • US2024267A - Truck : en
  • US2024372A - Individual wheel suspension means : en
  • US2024535A - Metal working machinery : en
  • US2024246A - Method of refining organic acid esters of cellulose : en
  • US2024374A - Overhead irrigation system : en
  • US2024540A - Smoking pipe : en
  • US2024781A - Windmill : en
  • GB440055A - Improvements in or relating to the decomposition and composition of pictures particularly in television : en
  • US2024249A - Vaporizer : en
  • US2024332A - Discharge tube having a metal envelope : en
  • US2024715A - Apparatus for making button blanks from pearl stock : en
  • US2024322A - Telescope goggles : en
  • US2024937A - Drum : en
  • US2024692A - Toothbrush holder : en
  • US2024847A - Brake : en
  • US2024282A - Food handling apparatus : en
  • US2024156A - Elastic yarn and process of making the same : en
  • US2024340A - Telescopic rotor agitator : en
  • US2024395A - Label imprinting device : en
  • US2024739A - Rectifier transformer : en
  • DE623284C - Oven for smoldering or coking fuels : de en
  • GB440160A - Improvements in or relating to drives for automobile vehicles, more particularly multi-wheel or endless-track vehicles : en
  • US2024455A - Lighting device for gas burners : en
  • US2024742A - Underground transformer unit : en
  • US2024855A - Power driven swing : en
  • USD97872S - Design foe an automobile radiator : en
  • US2024946A - Umbrella : en
  • FR792093A - Improvements made to elastic fluid turbines, radial flow, double rotation type : en fr
  • GB440026A - Improvements in or relating to the treatment of fibrous materials for rendering themimpermeable to liquids and fireproof : en
  • US2024169A - Tap : en
  • US2024945A - Lubricated valve : en
  • US2024546A - Plant support : en
  • US2024659A - Engine starting mechanism : en
  • US2024901A - Angle cock device : en
  • ES3850U - Mysterious hitch (Machine-translation by Google Translate, not legally binding) : en es
  • FR791920A - Improvements in compositions suitable for molding and making linoleum and other similar products : en fr
  • FR791939A - Thermal insulation device : en fr
  • ES139985A3 - Automatic commutator mechanism for starting single-phase induction type motors. : en es
  • FR791742A - Blind piloting process, by auditory impressions : en fr
  • ES4284U - Pieces to form inclined edges in cement and asbestos roofs (Machine-translation by Google Translate, not legally binding) : en es
  • US2024529A - Gaseous conduction lamp : en
  • US2024633A - Fluid pressure brake : en
  • USD97882S - Design for lace : en
  • US2024569A - Water tube boiler : en
  • CA354779A - Photographic material : en fr
  • FR792038A - Improvements to electric cable joints : en fr
  • DE623202C - Device for continuous measurement of the thickness of sheet metal, paper and the like like : de en
  • US2024803A - Pipe beading machine : en
  • US2024346A - Lifter for pie plates, baking dishes, etc. : en
  • US2024671A - Propeller shaft : en
  • DE623289C - Device for speed control of DC or AC commutator motors : de en
  • GB440078A - Improvements relating to fluid pressure braking apparatus for rail and other vehicles : en
  • US2024428A - Doughnut machine : en
  • GB439913A - Improvements in or relating to rolling mills with direct individual driving of the rolls by electric motors : en
  • US2024469A - Automatic feed control apparatus for separating contton from air : en
  • US2024755A - Sterilizing solution : en
  • US2024136A - Tool : en
  • US2024999A - Lapping block : en
  • US2024292A - Food handling apparatus : en
  • US2024654A - Bleeder device : en
  • AU2093735A - Impulse transmitters : en
  • AU2049634A - Improved tiles for pavements, wall dressings andthe like : en
  • CA354796A - Regulating valve : en fr
  • US2024161A - Magneto generator : en
  • US2024680A - Apparatus for the manufacture of ammonium chloride : en
  • US2024849A - Culinary article : en
  • US2024181A - Receiving system : en
  • US2024206A - Roller bearing : en
  • US2024417A - Suspendable envelope : en
  • US2024450A - Core bit and retrieving core barrel : en
  • DK51031C - Method and Apparatus for Drawing Electrical Overhead Lines. : da en
  • ES4279U - Real bolts for the direction of motoring and of airplanes. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791726A - Adjustable column-support device for displays : en fr
  • GB439828A - Improvements in or relating to variable speed power transmission apparatus : en
  • CA354769A - Air-method cleaning tool : en fr
  • USRE19787E - Washing machine : en
  • US2024371A - Adjustable thumb rest for sadirons : en
  • US2024751A - Treatment of aluminum and its alloys : en
  • US2024308A - Process for causing liquid slags and melts to set in a highly porous fashion : en
  • US2024187A - Scale : en
  • US2024364A - Automobile heater : en
  • ES4342U - A filter purifier and water softener, adaptable to the taps (Machine-translation by Google Translate, not legally binding) : en es
  • US2024555A - Sprinkler system : en
  • US2024614A - High frequency receiver of the superheterodyne type : en
  • CA354800A - Electric and fuel burning range : en fr
  • US2024585A - Manufacture of electron discharge devices : en
  • US2024369A - Packing and method of making same : en
  • US2024188A - Machine for equipping wired box parts with fastening means : en
  • DE623276C - Process for making water-repellent acetate silk : de en
  • DE623218C - Inking unit for printing machines with a bed going back and forth : de en
  • ES4330U - Automatic closing shutter for bottles and similar bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • ES4290U - Cigarette rolling machine, with pre-gumming by means of a pad or tampon. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791776A - Improvements to central heating devices : en fr
  • US2024639A - Method and apparatus for cooling and holding liquids : en
  • FR791762A - Improvements to stereotype blanks and their production process : en fr
  • FR791843A - High luminosity reflector device : en fr
  • ES139944A1 - IMPROVEMENTS IN THE MANUFACTURE OF PLASTIC MATERIALS : en es
  • DE623191C - Process for the production of insulation coatings for collectors of small direct current motors, especially direct current meters : de en
  • DK51024C - Receive coupling with feedback Detector amplifier. : da en
  • AU2200835A - Improvements in or relating tothe manufacture of insecticidal compositions : en
  • US2024172A - Gaseous discharge converter with control grids : en
  • US2024199A - Vehicle : en
  • DK51023C - Radio receiver. : da en
  • GB440156A - Improvements in or relating to means for carrying bombs on aircraft : en
  • US2024491A - Surgical bandage : en
  • CA354816A - Iron removing process : en fr
  • AU2277935A - Metallurgical cyanide process : en
  • CA354836A - Imprinted matter duplicating apparatus : en fr
  • FR791981A - Improvements to paper containers : en fr
  • CA354824A - Carbureter : en fr
  • US2024782A - Tube joint and method of manufacturing same : en
  • US2024646A - Water filtering apparatus : en
  • US2024449A - Can opener : en
  • CA354830A - Photophonograph : en fr
  • CA354837A - Striking casting with sill tie : en fr
  • FR791724A - Improvement for all gear changes due to chain derailment : en fr
  • AU2235635A - Improvements in radio tube shields : en
  • GB439931A - An improved process for the production of potassium nitrate : en
  • US2024240A - Electrolytic rectifier and condenser : en
  • ES4311U - Protective screen for electric welding. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792036A - Supercharger for motor vehicle engines : en fr
  • DE619109C - Springable rubber ball with an inwardly protruding tongue voice horn inserted into a hole in its otherwise closed spherical outer wall : de en
  • FR792031A - Stranding machine for the manufacture of steel wire strands and cables free from internal tensions or having low torsion : en fr
  • GB439868A - Improvements in or relating to electron discharge tube arrangements : en
  • US2024219A - Signaling apparatus : en
  • FR791933A - Piezoelectric crystal plate : en fr
  • ES4281U - Espadrille or heel sandal (Machine-translation by Google Translate, not legally binding) : en es
  • FR791929A - Lid with threshing mechanism for washing machines : en fr
  • GB440034A - Improvements in the saponification of organic esters of cellulose : en
  • GB440037A - Improvements relating to handbags and the like : en
  • GB440157A - Apparatus for transferring and introducing paper and like sheets into a receptacle : en
  • FR791754A - Vacuum cleaner for ventilation or smoke ducts : en fr
  • US2024143A - Suction cleaner : en
  • US2024772A - Window construction : en
  • ES4310U - Cylinder of outgoing sheets for machines used to work leathers and skins. (Machine-translation by Google Translate, not legally binding) : en es
  • GB440087A - Improvements in or relating to cathode-ray tubes : en
  • ES139960A1 - Improvements in the construction of roller conveyors. : en es
  • FR791962A - Metallic vapor discharge apparatus, and particularly mercury vapor rectifier : en fr
  • GB440113A - Process for the manufacture of azodyestuffs : en
  • FR791877A - Improvements to pumps and injectors for internal combustion engines : en fr
  • ES4285U - Press stud. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791876A - Improvements to electric wave filters : en fr
  • US2024645A - Carburetor : en
  • US2024915A - Comb for sheep shearing machines : en
  • US2025013A - Guard rail : en
  • FR791999A - Propeller for airplanes or airships : en fr
  • ES4336U - Bookbinder for loose sheets. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791992A - Sealing for machine parts : en fr
  • FR791888A - Process for gasification and use of fuel oil in internal combustion engines : en fr
  • GB439964A - Improvements in and relating to choke coils for electric circuits : en
  • GB440134A - Improvements in or relating to liquid heaters : en
  • GB439926A - Improved knife for cutter blocks : en
  • DE623290C - Torch with a small dynamo machine operated by a pressure lever : de en
  • US2024842A - Device for controlling liquid couplings : en
  • GB439992A - Improvements in or relating to alternating current electric motors : en
  • US2025021A - Continuous fastener : en
  • DE623300C - Device for determining the power of prime movers : de en
  • FR791848A - Bracelet or other similar article : en fr
  • DE623294C - Device for comparing the flow velocity of the combustion air flowing into a combustion system with a fluctuating chimney draft : de en
  • FR792100A - Carburetor : en fr
  • FR791802A - Light reflector system for road lighting : en fr
  • FR791928A - Process for the production of an active material for lead-acid accumulators : en fr
  • FR792014A - Improvements to pipe joints : en fr
  • GB440194A - Improvements in or relating to corrosion resistant alloy steels and articles made therefrom : en
  • FR791889A - Device for controlling the admission of fuel to a burner with a vaporization chamber for liquid fuel : en fr
  • US2024289A - Vehicle construction : en
  • ES139427A1 - Improvements in the manufacture of pipe cord with accessories and molded parts as quick couplings. : en es
  • ES4329U - Calendar. (Machine-translation by Google Translate, not legally binding) : en es
  • GB440412A - Improved means for the control of power transmission means comprising hydraulic gears : en
  • GB439854A - Improvements in or relating to cutter bars for mowing and reaping machines : en
  • FR791731A - Improvement in overvoltage indicators : en fr
  • FR792028A - Improvements to electrical rectifying devices : en fr
  • GB439935A - Process for the manufacture of stable solutions of dihydroxy-diamino-arsenobenzene and its derivatives : en
  • FR791844A - Sanitary pouch : en fr
  • FR791872A - Safety device to prevent the infiltration of war gases : en fr
  • FR792090A - Absorption refrigeration machine, rotating by gravity : en fr
  • US2024547A - Plug socket : en
  • US2024792A - Lever for operating variable electric speed boxes : en
  • ES4252U - Sharpener case for shaving machines and razors (Machine-translation by Google Translate, not legally binding) : en es
  • ES4291U - Folding box or container system. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791898A - Improvements to automatic unwinding devices for power looms : en fr
  • GB440116A - Improvements in or relating to guides and supports for typewriter ribbons : en
  • GB439843A - Improvements relating to brake controlled mechanism : en
  • DE623213C - Writing sheet, form, card or the like : de en
  • ES139983A1 - A refinement in the burners or burner devices for liquid fuels. : en es
  • GB440450A - Improvements in or relating to gold-and silver-zirconium alloys : en
  • NL37024C - : en
  • US2024883A - Construction of bookbinding panels : en
  • DE619888C - Lens hood for lenses of photographic cameras, designed as a carrier for replaceable filters : de en
  • US2024140A - Sheet gripping device : en
  • US2024914A - Cutter for beveled gears : en
  • FR791948A - Further training in vehicle suspensions : en fr
  • FR791973A - Absorption refrigeration units with intermittent operation : en fr
  • GB440052A - Improvements in or relating to sleeping caps, dust caps and the like : en
  • US2024588A - Window lock : en
  • US2024271A - Moving coil electromechanical device : en
  • US2024903A - Banding mechanism : en
  • DK51048C - Instrument for Use in the Examination of Animals for Tuberculosis. : da en
  • ES4320U - Desktop table runner (Machine-translation by Google Translate, not legally binding) : en es
  • FR791846A - Further training in continuous film developing machines : en fr
  • FR792007A - Improvements to precision measuring devices, such as balances : en fr
  • GB440107A - An improved cover for ignition plugs : en
  • FR792054A - Plain radial bearings intended to be lubricated with grease : en fr
  • US2024207A - Active ray treating device : en
  • US2024938A - Spraying apparatus : en
  • US2024953A - Electric translating circuits and method of operating the same : en
  • DE623184C - A microphone with a ribbon or a similar lightweight membrane that acts as a pressure differential receiver : de en
  • ES4359U - Simplifying filter for liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439965A - Improvements relating to self-lubricating sheaves and similar rotary devices : en
  • US2024991A - Coated welding rod : en
  • ES4321U - Bead conductor flexible pipe for seeding applicable to seeders. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792042A - Solid or semi-solid lubricants for cylinders of internal combustion engines : en fr
  • GB439920A - Improvements in or relating to systems for automatically regulating temperatures : en
  • GB440120A - Improvements in control electrodes for low pressure electric arc converters : en
  • DE623286C - Process for introducing material into hardening or glowing ovens which are hermetically sealed by liquid baths : de en
  • FR791803A - Corrosion resistant alloy : en fr
  • FR791897A - Tap transformer : en fr
  • FR791996A - Absorption refrigeration machine operating automatically by variation of the outside temperature : en fr
  • US2024507A - Hose fitting : en
  • US2024577A - Apparatus for splicing rubber articles : en
  • US2024788A - Brake rigging for railway cars : en
  • US2024851A - Game apparatus : en
  • US2024440A - Heater : en
  • ES3778Y - Heading and distance calculator circle. : en es
  • FR791860A - Device for converting gasoline or petroleum engines to run on oil as fuel : en fr
  • FR792099A - Sewerage device : en fr
  • GB439902A - The manufacture of a soluble salt of 3:6-diamino-10-methyl-acridinium : en
  • ES139959A1 - An improved system installation for vehicle washing. : en es
  • USD97850S - Design for a cigarette case : en
  • CA354843A - Vehicle body ventilation : en fr
  • DE623283C - Brushes or brooms with soft rubber loops and methods of making them : de en
  • GB439909A - Improvements in cycles or the like vehicles : en
  • US2024526A - Adjustable holder for dental impression trays : en
  • ES3766Y - Earrings for ears without drilling. : en es
  • GB440083A - Securing ships' hatch covers : en
  • US2024643A - Fluid pressure brake : en
  • CA354759A - Record controlled apparatus : en fr
  • FR792052A - Method and apparatus for direct welding of rails : en fr
  • ES139914A1 - An improved process for the manufacture of electrodes for electrolytic processes. : en es
  • GB440044A - Improvements relating to lee rails for ships' and other like berths : en
  • GB440140A - Improvements in and relating to apparatus for driving or withdrawing piles, stakes, or the like : en
  • GB440159A - Improvements in and relating motor car bodies : en
  • US2024951A - Package : en
  • GB440118A - Improvements relating to centrifugal apparatus for separation of dust and grit from air and gases : en
  • US2024627A - Edge marked motion picture film : en
  • US2024376A - Diagnostic lens : en
  • ES4262U - New arm for boiler express coffee machine (Machine-translation by Google Translate, not legally binding) : en es
  • IE13720L - Alumina : en
  • USD97845S - Design for a jewelry setting or : en
  • CA354820A - Multi-colour film copy production : en fr
  • US2024218A - Catamenial device : en
  • US2024470A - Process for the manufacture of an accelerator for rubber vulcanization : en
  • FR791759A - Coal or other solid fuel water heaters : en fr
  • GB440181A - Improvements in or relating to the cracking and coking of distillable carbonaceous materials : en
  • USD97852S - Design fob a tot dog : en
  • GB439822A - Improvements in or relating to the manufacture of storage battery plates : en
  • GB439933A - Improvements relating to systems for stabilizing watercraft : en
  • GB440032A - Improvements in and relating to colour photography : en
  • ES139953A1 - Television transmitter. : en es
  • FR791868A - Transformer of sound waves into electric currents or vice versa : en fr
  • ES4248U - Filing cabinet for sellogrºficos. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439842A - Collapsible food safe : en
  • GB439988A - Improvements in wringer or mangle attachments for washing machines or the like : en
  • GB439813A - Improvements in or relating to electrical time base circuit arrangements : en
  • GB440154A - Process for the conversion of unsaturated oxy compounds to aldehydes, ketones or substituted derivatives thereof : en
  • CA354838A - Selective signalling system : en fr
  • CA354764A - Knitting machine : en fr
  • FR791836A - Device and method for the manufacture of letters, signs and illuminated signs : en fr
  • FR792046A - Manufacturing process of dialkylaminoalcohols : en fr
  • US2024891A - Pinion puller : en
  • GB439849A - Improvements in magnetos : en
  • FR791767A - Threaded cap for capping bottles and similar containers : en fr
  • USD97865S - Design for an apron : en
  • FR791894A - Combustion chamber for liquid fuel injection engine : en fr
  • US2024423A - Wheel attachment for sleds : en
  • FR791910A - Flexible armed resistance device for all electrical uses : en fr
  • GB439823A - Improvements in or relating to means for mounting an electric fire, gas fire, or other fire, radiator and the like on a wall, panel or like support : en
  • GB440097A - Improvements in or relating to insecticides : en
  • GB439827A - Improvements in or relating to x-ray photographic apparatus : en
  • GB439871A - Revolving toy : en
  • GB440043A - Improvements in or relating to the casting of articles from synthetic resins : en
  • USRE19792E - Fastener : en
  • ES4288U - Device for placing carbon paper on typewriters using continuous paper. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791786A - Centrifugal pipe casting process : en fr
  • FR792003A - Metal formwork for concrete constructions or masonry of all kinds : en fr
  • ES4360U - Device for separating the filtered bed from the filtered water. (Machine-translation by Google Translate, not legally binding) : en es
  • GB440198A - Apparatus for testing the resistance of structural parts, particularly parts of aeroplanes : en
  • ES139772A1 - A procedure for the manufacture of a filtering mass for Antigas protection masks against hydrocyanic acid. : en es
  • FR792062A - Motor vehicle door trim : en fr
  • GB440149A - Improvements in wardrobes, cupboards and the like : en
  • US2024311A - Mercury vapor lamp : en
  • FR792076A - New derivatives of naphthalene dicarboxylic acids and their manufacturing process : en fr
  • FR792068A - Cooling tarpaulin or tympanic membrane for metallurgical furnaces : en fr
  • ES139434A1 - A new device to turn on low voltage tubes of ionized mercury vapor. : en es
  • US2024486A - Clutch : en
  • US2024568A - Process of producing paracoumarone resins : en
  • FR791813A - measuring device for liquid meters with several jets and with tangentially struck paddle wheel : en fr
  • GB440119A - Improvements in and relating to soil cultivators : en
  • DK51050C - Central heating stove with Underburner boiler. : da en
  • GB440065A - Improvements in or relating to electric tumbler switches : en
  • US2024642A - Fluid pressure brake : en
  • FR792009A - : fr
  • ES4339U - Support foot for laminar figures of paper or cardboard. (Machine-translation by Google Translate, not legally binding) : en es
  • GB440266A - Improvements in and relating to internally fired boilers, particularly adapted for use in domestic heating systems : en
  • US2024379A - Method of making radiators : en
  • US2024453A - Treatment of solid material with gaseous media : en
  • DE610245C - Mittens for children against finger sucking : de en
  • DE622084C - Disc commutator for electrical machines : de en
  • ES139892A1 - An electric incandescent lamp with a filling containing krypton, xenon or a mixture of these gases. : en es
  • FR791793A - Method and devices for the indirect production of steam : en fr
  • GB439997A - Improvements in ventilators : en
  • GR5573B - AUTOMATIC MOTOR DEVICE FOR ELECTROMAGNETISM AND CONTACT AND DISTANCE MAGNETISM. : el en
  • US2024416A - Cable marking machine : en
  • US2024966A - Electric and magnetic measuring device : en
  • DE623208C - Rotary piston engine, in particular rotary piston internal combustion engine : de en
  • GB440105A - Improvements in or relating to electrically heated cooking vessels and liquid containing utensils : en
  • US2024607A - Electrical receptacle : en
  • US2024729A - Footwear : en
  • FR791971A - Sealing device for crankshaft : en fr
  • GB440038A - Improvements relating to permanent magnets : en
  • DE623225C - Stocking shape : de en
  • US2024355A - Margarine and method of making same : en
  • FR791963A - Material for electrodes and its manufacturing process : en fr
  • FR791909A - Variable area antenna for t receiver. s. f. : en fr
  • US2024700A - Screw propeller : en
  • GB440127A - Improvements in or relating to door-handles : en
  • ES139407A2 - AN EXHAUST MECHANISM FOR EXPLOSION OR INTERNAL COMBUSTION MACHINES OR ENGINES : en es
  • GB439820A - Improvements in and relating to two-stroke cycle internal combustion engines : en
  • ES139990A1 - An electromagnetic extractor for clinical uses in general and especially ophthalmic. : en es
  • FR791778A - Reflex assembly using a multigrid lamp : en fr
  • FR791796A - Orthopedic support particularly intended for flat, low feet and the like : en fr
  • GB440195A - Improvements in liquid sealed valves or cocks : en
  • CA354760A - Sand-blast apparatus : en fr
  • US2024560A - Method of testing and arranging magnetic material : en
  • USD97873S - Design for chessmen : en
  • US2024413A - Brush : en
  • US2024647A - Margarine and method of manufacturing same : en
  • US2024137A - Brake for motor-driven vehicles : en
  • AU2269135A - Improvements in and relating to wall anchors for grain bins : en
  • DE623235C - Resistance body with negative temperature coefficient of electrical resistance : de en
  • US2024318A - Arc lamp : en
  • CA354854A - Pure alumina production : en fr
  • US2024443A - Belt : en
  • US2024718A - Treatment of wells : en
  • US2024485A - Apparatus for manufacturing pipes or tubes : en
  • US2024895A - Poultry lice exterminator : en
  • NL37020C - Method for preparing cheese curd or rennet cheese from cream, whole milk or skimmed milk : en nl
  • US2024833A - Program selector for radio sets : en
  • US2024995A - Article of tableware : en
  • US2024598A - Direct reading clock and the like : en
  • AU2063434A - Improvements in or relating to paper containers, wrappers orthe like : en
  • USD97883S - Design for a cravat holder : en
  • CA354805A - Brake for airplane landing gears : en fr
  • US2024641A - Gear shift lock : en
  • US2024712A - Dispatcher's electric display board for systems of power distribution : en
  • CA354753A - Latch : en fr
  • CA354839A - Selective signalling system : en fr
  • DE623383C - Device for drying short and long hair : de en
  • GB439848A - Improvements in radial flow elastic fluid turbines of the double rotation type : en
  • US2024313A - Altimeter : en
  • USD97837S - Design for a bag or the like : en
  • US2024231A - Apparatus for studying acceleration : en
  • US2024421A - Game toy target : en
  • USD97851S - Design for a cabinet for a : en
  • US2024480A - Proportioning device for fluids : en
  • FR791993A - Prepayment device : en fr
  • US2024525A - Dioxazine compounds and process of making same : en
  • US2024802A - Sewing machine : en
  • AU1922634A - Appliance to be used in the utilization of high frequency currents for therapeutic purposes : en
  • AU2292335A - Improvements in or relating to synthetic resins and their production : en
  • US2024599A - Refrigerating apparatus : en
  • US2024723A - Fitment : en
  • CA354751A - Crushing mill : en fr
  • GB440035A - Improvements in or relating to gramophonic and like devices for signalling, advertising and similar uses : en
  • AU2048334A - Improvements in or relating to machines for pressing shoe bottoms : en
  • US2024617A - Determination of the rubber content of latex : en
  • US2024707A - Crucible furnace : en
  • US2024317A - Saw table vise : en
  • AU2292435A - Improvements in or relating to compositions containing synthetic resins : en
  • US2024837A - Cushion and elastic stuffing : en
  • CA354861A - Mouldable reflector : en fr
  • GB440136A - Processes for refining halogenated hydrocarbons : en
  • DE623250C - Elastic traction device : de en
  • FR791923A - Binder for road construction : en fr
  • GB440023A - Improvements in or relating to the transmutation of chemical elements : en
  • USD97874S - Design for a water closet : en
  • US2024294A - Detachable handle : en
  • US2024528A - Means for mounting vehicle frames : en
  • US2024657A - Cap for fruit jars : en
  • US2024744A - Circuit breaker : en
  • FR791760A - Anti-balloon device for spinning and twisting looms : en fr
  • GB440012A - Improvements in fire extinguishing bombs : en
  • US2024448A - Cap for spinning or twisting machines : en
  • US2024918A - Beet knife : en
  • US2024381A - Esterification of cellulose : en
  • US2024852A - Stud remover : en
  • US2024370A - Production of potassium nitrate : en
  • US2024510A - Gas burner : en
  • US2024947A - Clutch mechanism : en
  • DE594261C - Short wave oscillator with double filament tube : de en
  • DE623282C - Lapel label : de en
  • FR792079A - Short-circuited rotor AC motor : en fr
  • GB440004A - An improved method of refining selenium : en
  • US2024831A - Insulator : en
  • ES139988A1 - A procedure to reinforce tubes of all kinds to mechanical stresses. : en es
  • FR791941A - Automatic locking device intended in particular for lifts for electromagnetic rail braking magnets : en fr
  • IE13776L - Dust separator : en
  • US2024605A - Accelerator of vulcanization : en
  • US2024796A - Wire mesh fabric : en
  • US2024474A - Flexible coupling : en
  • US2024212A - Preparation of resinous condensation products : en
  • US2024324A - Fluid heat exchange apparatus : en
  • US2024713A - System of control : en
  • USD97844S - Design for lace : en
  • US2024566A - Railway crossing or like track structure : en
  • FR791795A - Process for electrolysis of aqueous solutions and electrolyser suitable for the implementation of this process : en fr
  • GB439834A - Improvements in or relating to fuel injection pumps for internal-combustion engines : en
  • US2024339A - Water spraying device : en
  • US2024858A - Warning light : en
  • GB440143A - Improvements in or relating to high frequency signalling over cables : en
  • US2024315A - Scale : en
  • USD97855S - Design for a bottle : en
  • ES4298U - Mesh cloth curtain extemsible and wooden and metal stringers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES4355U - Reamer (Machine-translation by Google Translate, not legally binding) : en es
  • GB439901A - Improvements in and relating to electric transformers : en
  • CA354746A - Steam engine valve gear : en fr
  • FR792039A - Clutch device especially for curlers or hair curling pins : en fr
  • GB439811A - Improvements in the manufacture and production of azo dyestuffs : en
  • GB440075A - Improvements in or relating to the manufacture and treatment of cellulose derivatives : en
  • ES139900A1 - A device applicable to radio receivers so that deaf and deaf people can hear the broadcasts. : en es
  • GB440029A - Improvements relating to automatic variable-speed gearing : en
  • US2024668A - Hub cap and lock for the same : en
  • US2024152A - Receiving system : en
  • US2024919A - Door closing device : en
  • AU1924934A - Improvements in or relating to photoelectric cells and circuit arrangements incorporating thesame : en
  • DE623266C - U-shaped construction clamp for fastening and securing building pit spreads : de en
  • DK51037C - Match packing. : da en
  • ES139945A1 - PROCEDURE FOR THE MANUFACTURE OF ENCAUSTICS, WAXES AND SIMILARS : en es
  • FR791791A - Propulsion system for frequent changes of driving speed : en fr
  • ES139884A1 - A procedure to make coals of electrodes and coking products without ashes, starting from coals. : en es
  • GB440155A - Method of forming an air-tight closure for the coverings of tins or like sheet-metalcontainers : en
  • GB440033A - New or improved method of treating zinc and zinc-containing metal surfaces : en
  • US2024406A - Priming composition : en
  • US2024279A - Vulcanizing device : en
  • FR791777A - Method and device for placing distillation retorts in horizontal chamber furnaces : en fr
  • FR791931A - : fr
  • GB439864A - Arrangement for testing lines in telephone systems : en
  • FR792011A - Measuring chamber for annular piston liquid meters with a sealing lip on the inner edge of the partition wall : en fr
  • US2024202A - Regulator : en
  • ES4289U - Extractor and recorder of liquids, especially lubricating oils (Machine-translation by Google Translate, not legally binding) : en es
  • GB440076A - Improvements in and relating to insulating joints for electric cables : en
  • ES4272U - Filter and decalcarizador connectable to the water faucet. (Machine-translation by Google Translate, not legally binding) : en es
  • GB440642A - Improvements in or relating to cleansing agents in the form of emulsions : en
  • FR792004A - Operating table : en fr
  • GB439818A - Improvements in or relating to means for superposing currents of musical or high frequencies on electrical distribution networks for signalling or for telecontrol : en
  • US2024194A - Means for correcting ocular defects : en
  • GB439940A - Process for the cold rolling of sections which are to have different hardnesses and strengths at different cross sectional parts : en
  • FR791967A - Comparator to determine differences in colors and shades : en fr
  • US2024211A - Combination projector and electric typewriter : en
  • GB440129A - A new or improved ceiling ventilator : en
  • DE623229C - Machine with sickle-shaped working area and eccentric moving piston : de en
  • ES138156A3 - A procedure for the construction of coffee makers. : en es
  • GB439985A - Improvements in appliances for playing games : en
  • FR791761A - Improvements to floating stations : en fr
  • FR791925A - Method and device for extinguishing fires : en fr
  • GB439970A - Improvements in or relating to combined telegraph and telephone exchange systems : en
  • US2024352A - Necktie : en
  • US2024626A - Safety razor holder : en
  • US2024719A - Filter : en
  • US2025016A - Method of normalizing steel : en
  • CA354791A - Timing device : en fr
  • ES4261U - A special staple for nailing containers-boxes of orange, onion and fresh fruits of analogous species (Machine-translation by Google Translate, not legally binding) : en es
  • ES4292U - Shaving device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES4270U - Clamping buckle. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791768A - Improvements to the manufacturing process for boxes and resulting objects : en fr
  • GB440015A - Improvements in or relating to stabilising devices for flying machines : en
  • US2024793A - Automatic registering device for measuring instruments and appliances : en
  • US2024353A - Machine for making potato chips : en
  • US2024487A - Bracelet connecter : en
  • ES4245U - Fittings for horse hooves (Machine-translation by Google Translate, not legally binding) : en es
  • US2024281A - Light : en
  • ES4238U - A toy hydrofoil (Machine-translation by Google Translate, not legally binding) : en es
  • ES4273U - Exchange lock for motorcycle wheels. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792041A - Protective device for work in front of the sink, etc. : en fr
  • GB440011A - Improvements in and relating to the manufacture of refractory bricks, slabs and the like : en
  • FR792071A - Metal cutting machine, working with electric arc : en fr
  • DE623406C - CROSS TERMINAL FOR CREATING CROSS CONNECTIONS ON CONTINUOUS ELECTRICAL CABLES : de en
  • DK51035C - Apparatus for the Elimination of Vibrations in Ships or Other Movable or Fixed Structures using a Suspended or Suspended Mass. : da en
  • GB440039A - Improvements relating to the control of mixed power installations : en
  • US2024412A - Holder for correcting ingrowing toenails : en
  • US2024567A - Preparation of organic disulphides : en
  • US2024591A - Abrasive wheel : en
  • US2024690A - Timed sequence distributing and regulating apparatus : en
  • US2024943A - Necktie holder : en
  • US2024769A - Wire-drawing apparatus : en
  • US2024757A - Lug strap : en
  • US2024221A - Hydrocarbon oil treatment : en
  • US2024944A - Postage meter : en
  • US2025010A - Crowning and concaving device for roll grinding machines : en
  • AU2300235A - Improvements in or relating to sliding clasp fasteners : en
  • ES4331U - Tubular container for perfumes and other fluids (Machine-translation by Google Translate, not legally binding) : en es
  • FR791822A - Heating block for permanent waves of hair treated from the root : en fr
  • GB440139A - Process and electrolytic cells for the production of alkali metals and alkaline earth metals : en
  • US2024753A - Filter : en
  • GB440070A - Improvements in and connected with supports for window furnishings such as curtains,blinds, valances, and the like : en
  • GB440089A - Improvements in and relating to colour photography : en
  • ES139947A1 - A procedure for the conservation of natural fruit juices. : en es
  • FR792053A - Line pipes with steel ferrules : en fr
  • ES4263U - Simplified assembly photo camera. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439969A - Film-taking installation : en
  • GB440024A - Improvements in or relating to fins for heat exchange tubes applicable to refrigerant evaporators : en
  • FR792025A - Improvements to dust removal or wet gas cleaning devices : en fr
  • GB439812A - Process for the production of photographic pictures : en
  • FR791958A - Winding device for laminates in tape form or the like : en fr
  • DE623238C - Protection circuit for a multi-phase line system : de en
  • US2024471A - Temperature regulating device : en
  • US2025008A - Connecting rod and piston testing and aligning device : en
  • US2024242A - Apparatus for producing anhydrous magnesium chloride : en
  • US2024967A - Method and apparatus for rehabilitating peristalsis of the colon : en
  • CA354756A - Syringe and receptacle : en fr
  • CA354784A - Vapour generator : en fr
  • GB439857A - Method for sensitising photographic emulsions : en
  • US2024138A - Radio signaling system : en
  • US2024494A - Gear cutter : en
  • US2024586A - Initiator : en
  • DE579998C - Receiver with volume control switchable to several wavebands : de en
  • CA354848A - Door supporting and guiding means : en fr
  • US2024515A - Tying device : en
  • US2024708A - Electron tube type tension regulator : en
  • US2024997A - Guard rail : en
  • US2024615A - Fusion indicating means : en
  • US2024774A - Steam trap : en
  • US2024557A - Excavating machinery : en
  • US2024812A - Glass and tumbler cleaner and washer : en
  • DE623227C - Absorption tower for the production of oleum : de en
  • US2024237A - Method of cementing channel flaps : en
  • USD97849S - Design for a dress : en
  • US2024373A - Bottle washing machine : en
  • CA354748A - Athletic protector : en fr
  • CA354846A - Sterile aqueous hexamethylenetetramine solution : en fr
  • US2024151A - Two-front necktie or four-in-hand : en
  • US2024783A - Electric water heater : en
  • ES139967A1 - A procedure to avoid the glare produced by the light rays of the headlights of autovehicles. : en es
  • DE623241C - Heat regulator for electrical heaters, the switching cartridge of which is arranged concentrically to the reference body and the housing-shaped expansion body : de en
  • US2024720A - Testing apparatus : en
  • FR791861A - Method and apparatus for the construction of electrical conduits : en fr
  • GB440153A - Improved method of and means for electrical grilling : en
  • FR791719A - Improvements to loudspeakers and similar instruments : en fr
  • FR791748A - Position and movement indicator for servo-motor devices : en fr
  • FR791839A - Improvements to gate valves : en fr
  • AU2272835A - Improvements in and relating to purses or handbags : en
  • FR791801A - Improvements in bakery ovens and the like : en fr
  • FR791838A - Automatically variable pitch propeller : en fr
  • US2024466A - Apparatus for and method of improving circulation in boilers : en
  • US2024687A - Electropneumatic brake : en
  • GB439906A - Improvements in propeller pencils : en
  • GB440073A - Improvements in or relating to sewage disposal : en
  • ES4154U - Zinc specially for fists. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024225A - Flash light lamp : en
  • FR791832A - Method of limiting the phase imbalance of a polyphase network or the imbalance of the bridges of a multi-voltage network : en fr
  • FR792084A - Sales device, distributor of colored balls or other brands : en fr
  • US2024350A - Spark gap for x-ray apparatus : en
  • USD97880S - Design fob lace : en
  • USD97881S - Design for lace : en
  • US2024921A - Method of determining slope of subsurface rock beds : en
  • US2024984A - Display card : en
  • USPP161P - Peach variety : en
  • DE623223C - Overtaking machine : de en
  • GB439968A - Pulverising device : en
  • NL37027C - : en
  • US2024931A - Rotary centrifugally operated device : en
  • US2024978A - Flour sifter : en
  • ES139899A3 - Procedure for the preparation of 3-alkoxy-4-oxybenzaldehydes. : en es
  • FR791989A - Process for clarifying industrial and urban wastewater : en fr
  • FR791922A - Device for the exhibition of illuminated advertising and similar applications : en fr
  • DE622941C - Paving stone with a hexagonal plan : de en
  • US2024334A - Valve mechanism for internal combustion engines : en
  • GB439875A - Improvements in carbureters for internal combustion engines : en
  • ES4345U - Hygiene and disinfection apparatus for telephone microphones and headphones. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792020A - High frequency inductor improvements : en fr
  • USRE19790E - Process of producing conical : en
  • GB439974A - Improved process and apparatus for purifying coal gas : en
  • GB440167A - Improvements in moistening devices for silk threads : en
  • DE623242C - Base for electric iron, in which the iron is switched on and off by tilting around a transverse bearing : de en
  • GB439943A - Improvements in and relating to cinematograph projectors : en
  • GB439976A - Plant for the production of carbon dioxide : en
  • GB440121A - An improved electric plug coupling for radio and other purposes : en
  • GB440124A - Improvements in the combustion chambers of compression ignition oil engines : en
  • GB452130A - Improvements in or relating to hats of looped fabric : en
  • US2024556A - Device for delivering adhesive tape for sealing of packages : en
  • US2024894A - Dredge bucket : en
  • GB440100A - Improvements relating to electrical discharge tubes : en
  • US2024415A - Electrical plug : en
  • US2024268A - Drill grinding machine : en
  • US2024786A - Attachment for tractor plows : en
  • GB439919A - Improvements in or relating to injection internal combustion engines : en
  • US2024286A - Apparatus for making pistons : en
  • US2024457A - Piston skirt expander : en
  • US2024784A - Railroad washout safety signal : en
  • US2024670A - Therapeutic exercising appliance : en
  • FR791995A - Combined airtight and overcapping : en fr
  • GB440021A - Improvements in and relating to electric welding apparatus : en
  • DK51046C - Ignition device for metal vapor purifiers, in particular mercury vapor glass rectifiers. : da en
  • FR791702A - Improvements to grinding wheels or other cylindrical bodies having operative parts made of fibers or of which the body is made up of fibers and processes for their manufacture : en fr
  • FR791703A - Improvements to pads or abrasive discs : en fr
  • FR791701A - Improvements to the wings or rotating blades of aerial locomotion devices : en fr
  • FR791899A - Chassis for harvester-binder : en fr
  • FR791758A - Ball game on table : en fr
  • FR792029A - Method for monitoring the pressure of gas or vapor filling vacuum discharge tubes : en fr
  • FR792081A - Process for the preparation of amino alcohols : en fr
  • GB440084A - Improvements in apparatus for teaching lip reading : en
  • ES4308U - Billiards. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024203A - Method and apparatus for manufacturing molded inlaid linoleum : en
  • US2024636A - Safety bumper for automobiles : en
  • FR792057A - Method and device for breaking sugar bars : en fr
  • US2024621A - Gyrocompass : en
  • FR791902A - Synthetic dyes and their manufacturing processes : en fr
  • GB439837A - Improvements relating to adjustable windows : en
  • GB439855A - Improvements in or relating to variable speed power transmission apparatus : en
  • GB440146A - Improvements in and relating to thermionic valves : en
  • US2024785A - Continuous-form shipping and accounting device : en
  • GB439870A - Improvements in intensifying or fluorescent screens for x-ray work : en
  • US2024534A - Monoalkyl ether of aromatic poly : en
  • US2024841A - Power machine : en
  • US2024422A - Liquid dispensing pump : en
  • US2024261A - Suction cleaner : en
  • US2024770A - Carbon holder : en
  • US2024168A - Combination funnel and measure : en
  • US2024694A - Curtain rod guiding device : en
  • ES139978A1 - A vertical centrifugal device. : en es
  • GB440046A - Combustion chambers of compression-ignition engines : en
  • DE623292C - Industrial furnace : de en
  • CA354790A - Motor operating apparatus : en fr
  • US2024622A - Writing machine : en
  • US2024660A - Automatic film-threading control : en
  • US2024513A - Transfer mechanism : en
  • US2024952A - Washing apparatus : en
  • US2024904A - Catwalk : en
  • US2024400A - Hydraulic cell : en
  • US2024489A - Circuit arrangement for generating or amplifying electric oscillations : en
  • US2024674A - Check damper : en
  • US2024517A - Machine for making ice cubes : en
  • USD97833S - Design for an automobile : en
  • USD97878S - Design for an adjustable stand lamp : en
  • US2024777A - Cushioned universal joint : en
  • US2024827A - Garment anchor : en
  • ES4314U - Dual-use cuff for shirt. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024667A - Tray fastening : en
  • US2024980A - Railway track circuit apparatus : en
  • USRE19791E - Apparatus for treating gases : en
  • AU2313235A - Grip for golf clubs : en
  • US2024295A - Refrigerating apparatus : en
  • US2024144A - Method of seasoning cable : en
  • DE623181C - Method and device for the production of bisulfites : de en
  • DE623243C - Control device on gas generators with switched on gas tank : de en
  • ES139414A1 - Improvements in the manufacture of electrode structures for metal valves. : en es
  • CA354747A - Weeding tool : en fr
  • CA354804A - Television system : en fr
  • DE623306C - Cinematographic apparatus : de en
  • ES4276U - Calibrated box for currency classification. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791945A - Shock absorber hand truck for very heavy objects such as large shells : en fr
  • GB439863A - Constructional device with hooks, particularly applicable as a constructional game : en
  • US2024452A - Air heater : en
  • US2024347A - Return bend fitting : en
  • DK51034C - Condensed Milk Manufacturing Plant (Milk Powder). : da en
  • DE623288C - Liquid toggle switch for closing a circuit with a time delay : de en
  • DE623270C - Cable termination and similar arrangements for terminating high-voltage lines : de en
  • US2024251A - Broaching machine : en
  • US2024798A - Hair curler : en
  • US2024907A - Display container : en
  • US2024201A - Carton setting-up machine : en
  • US2024405A - Apparatus for applying adhesives : en
  • US2024532A - Container and cover : en
  • US2024861A - Shingle : en
  • USD97868S - Design for an ensemble dress : en
  • US2024389A - Manufacture of laminated nonsplintering glass : en
  • US2024845A - Device for use in operating track relays in railway signaling systems : en
  • AU2189635A - Improvements in arc welding : en
  • FR791810A - Process for preserving butcher's meat, poultry, etc. : en fr
  • US2024920A - Shaker cap : en
  • ES139896A1 - Eyepiece system for masks. : en es
  • US2024193A - Automatic cut-out valve for internal combustion engines : en
  • US2024541A - Puzzle : en
  • US2024333A - X-ray installation : en
  • USD97869S - Design for an ensemble dress : en
  • FR791858A - Improvements to electronic discharge devices : en fr
  • CA354798A - Air-cooled motor : en fr
  • US2024686A - Welded seam : en
  • USD97843S - Design for a cabinet for a hair wav : en
  • US2024613A - Carbamyl disulphides and preparation thereof : en
  • US2024640A - Automatic feeding mechanism for variety lathes : en
  • NL37004C - : en
  • US2025022A - Marking device for marking the opposite sides of shoe upper blanks simultaneously : en
  • DE623232C - Circuit arrangement for receiving signals in telecommunications systems : de en
  • US2024579A - Joint for standpipes and the like : en
  • US2024747A - Manufacture of spur and bevel wheels : en
  • US2024814A - Electrical connecter : en
  • US2024909A - Footing for towers : en
  • US2024483A - Wheeled scraper : en
  • US2024697A - Electrical control : en
  • US2024337A - Animal trap : en
  • GB440081A - Exchangeable roll film adapter for photographic plate cameras : en
  • FR792019A - Improvements to joints or couplings for pipes : en fr
  • US2024986A - Apparatus for and method of sewage treatment : en
  • US2024571A - Flow meter : en
  • DE623245C - Method of assembling a protective mask for surgical purposes : de en
  • ES4277U - Tilting device for payments and return of currency changes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439859A - Improvements in wireless receiving sets : en
  • FR791970A - Improvements to voltage transformers : en fr
  • GB439801A - Improvements in and relating to vapour electric discharge devices : en
  • US2024208A - Liquid dispenser : en
  • GB440262A - Improved device for moving a given element in one direction or in the other according to a step by step or fractional movement : en
  • ES139957A1 - A hydraulic system for automatic closing of level crossings. : en es
  • FR792097A - electrode for discharge tubes : en fr
  • FR791743A - Wood slicing machine : en fr
  • FR792033A - Safety slide for sliding closures : en fr
  • ES139902A1 - An electric oven, particularly for preparing food by heated air. : en es
  • FR791906A - Method and device for the production of a woolly artificial fiber : en fr
  • FR792065A - Toy : en fr
  • ES4266U - Tuner for razor blades. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791765A - Process for obtaining fusible and soluble resins : en fr
  • FR791950A - Process for the improvement of lubricating oils : en fr
  • US2024327A - Tank : en
  • US2024756A - Jar sealer : en
  • US2024733A - Converter : en
  • FR791807A - Elastic coupling between control gear and drive wheel, for railway vehicles : en fr
  • FR791895A - Perforated plaster or chipboard bricks : en fr
  • GB440045A - Process for silver-plating aluminium : en
  • US2024678A - Apparatus for making blueprints : en
  • ES4253U - Inviolable envelope. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791957A - Winding device for laminates in tape form or the like : en fr
  • US2024233A - Central lubrication : en
  • US2024765A - Automobile door or body and window construction : en
  • ES3933U - Armoring box for self-induction coils of radiotelephone equipment. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791842A - New combustible product : en fr
  • FR791953A - Set of accounting sheets for accounting intended to be transcribed on a typewriter : en fr
  • US2024230A - Displacement and acceleration apparatus : en
  • US2024514A - Method and apparatus for making tubes : en
  • US2024537A - Clamping device for individual wheel suspension units : en
  • FR792037A - Process for preparing carbonaceous fertilizers : en fr
  • DE623236C - Automatic starter switch : de en
  • NL37071C - : en
  • US2024652A - Incinerator : en
  • US2024776A - Oil burner apparatus : en
  • US2024561A - Heat treatment of chromium alloy steels : en
  • US2024651A - Preparation of cellulose acetate isobutyrate : en
  • US2024762A - Light sensitive tube : en
  • US2024977A - Refrigerator : en
  • GB440090A - Nose pads for eyeglasses and method of making same : en
  • DE623230C - Furnace vault made of wedge-shaped stones for Siemens-Martin ovens : de en
  • FR792043A - Cosmetic case : en fr
  • US2024497A - Lock : en
  • CA354778A - Match packet : en fr
  • US2024794A - Crochet hook : en
  • DK51036C - Auxiliary stick machine. : da en
  • FR791771A - Jack or jack for lifting cars : en fr
  • US2024890A - Indicating apparatus for sizing machines : en
  • FR791903A - Accumulator improvements : en fr
  • US2024437A - Water heater : en
  • US2024554A - Apparatus for vulcanizing tires and other articles : en
  • US2024872A - Slicing machine : en
  • US2024323A - Apparatus for compressing gaseous fluids : en
  • CA354792A - Chlorinated rubber product : en fr
  • GB440086A - A photographic method of colour separation for colour printing : en
  • GB440102A - Improvements in or relating to advertising devices : en
  • GB440192A - Improvements in or relating to electric incandescent lamps : en
  • US2024985A - Hinge construction : en
  • DE623257C - Shock absorbers for land and seaplanes : de en
  • DK51041C - Procedure in the Manufacture of Roofing Materials of Roofing felt. : da en
  • US2024800A - Screw top wrench : en
  • US2024740A - Means for improving commutation : en
  • US2024726A - Dual-voltage explosionproof motor : en
  • US2024699A - Piercing cap for nose rings : en
  • US2024737A - Piezo-electric cell : en
  • CA354802A - Loom lay : en fr
  • CA354834A - Elastic fabric manufacture : en fr
  • USRE19789E - Apparatus for treating footballs : en
  • ES139912A1 - Machine for beveling crystals, particularly for glasses. : en es
  • ES4335U - Ring toy (Machine-translation by Google Translate, not legally binding) : en es
  • FR791770A - Device for the production of lukewarm liquid, hot liquid or steam : en fr
  • FR792017A - Improvements in rubber manufacturing : en fr
  • GB439972A - Improvements in and relating to the separation of dry materials : en
  • US2024580A - Communication system : en
  • US2024763A - Machine for applying fasteners to envelopes : en
  • ES4260U - Boiler for heating radiators. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791918A - Improvements in translator mechanisms for printing apparatus, printing telegraphs, writing apparatus, recording apparatus and similar apparatus : en fr
  • FR791840A - Articulated Wing Aircraft Improvements : en fr
  • GB440161A - Improvements in and relating to control systems for electromagnets : en
  • AU2018034A - Improvements in telephone systems : en
  • US2024432A - Guide shell for rock drills : en
  • USD97841S - Design for a broiler grill : en
  • US2024384A - Adjustable bracket : en
  • ES139894A2 - IMPROVEMENTS INTRODUCED TO THE OBJECT OF THE MAIN PATENT BY PROCEDURE FOR THE MANUFACTURE OF AUTOMATIC LUBRICATION BEARINGS : en es
  • ES4278U - Analysis van mounted on automobile chassis (traveling laboratory) (Machine-translation by Google Translate, not legally binding) : en es
  • US2024227A - Container : en
  • US2024386A - Electric oven : en
  • US2024589A - Treatment of mineral absorbent material : en
  • DK51043C - Procedure for Coating Aluminum or Aluminum Alloy Articles. : da en
  • DE623207C - Air-compressing injection internal combustion engine with self-ignition and an open combustion chamber arranged in the piston crown : de en
  • DK51049C - Gas meters with insidious Steering. : da en
  • ES4332U - Calendar. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791952A - Improvements to casting molds used in the manufacture of cases or the like : en fr
  • US2024516A - Multitubular furnace : en
  • ES139839A1 - Improvements in the flush-mounted boxes for installation devices. : en es
  • ES4306U - One fastening buckle for garments (Machine-translation by Google Translate, not legally binding) : en es
  • ES4293U - New sole for footwear its manufacturing process and footwear in which it has application (Machine-translation by Google Translate, not legally binding) : en es
  • GB439944A - Improvements in the manufacture and production of hydroxy compounds of the anthrapyrimidine series : en
  • CA354849A - Fastener : en fr
  • GB440091A - Improvements in or relating to band filters constituted by capacitatively coupled circuits : en
  • GB439922A - A process for the manufacture of a covering, resembling linoleum, for floors and like surfaces : en
  • FR791744A - Rapid development process for photographic films, avoiding haze blackening : en fr
  • US2024171A - Machine for shaping shoe uppers : en
  • US2024303A - Glass polisher : en
  • US2024553A - Bottle holder : en
  • US2024620A - Piston skirt adjuster : en
  • US2024865A - Tobacco pipe : en
  • US2024331A - Fixture hanger : en
  • CA354853A - Building ventilating apparatus : en fr
  • US2024175A - Method and means for use in making shoes : en
  • US2024955A - Filtering apparatus : en
  • US2024191A - Pneumatic dispatch system : en
  • US2024610A - Croquignole waver : en
  • US2024949A - Automatic discharging mechanism : en
  • ES4326U - Visible file book. (Machine-translation by Google Translate, not legally binding) : en es
  • DK51025C - Device for Washing and Wiping Appliances. : da en
  • CA354745A - Cremation furnace : en fr
  • FR791914A - Improvements in the manufacture of both heat and light stable synthetic resins and of compositions containing these resins : en fr
  • FR791896A - Elastic mounting with rubber fixed between hard plates, especially metal : en fr
  • GB440264A - Mechanism for securing shoulder and neck members upon sheet-metal canisters : en
  • CA354806A - Phonograph mechanism : en fr
  • FR791805A - Rocker arm for rolling mills : en fr
  • GB440341A - Improvements in pistons and in processes for their manufacture : en
  • CA354817A - Brake system : en fr
  • FR791749A - Automatic gear change : en fr
  • US2024922A - Garment : en
  • GB439934A - Improvements in or relating to electrical connectors : en
  • GB440007A - Method of and means for transmitting more than one signal function to a travelling train : en
  • DE623265C - Process to prevent rusting of circulating iron drum dryers with internal heating for wet coal or other wet substances that do not adsorb moisture : de en
  • FR791964A - Process for the preparation of salts of alkyl esters : en fr
  • FR791797A - Plastic holder for phonograph records : en fr
  • FR792075A - Indicating instrument : en fr
  • US2024299A - Heat transference apparatus : en
  • US2024773A - Window construction for vehicle bodies : en
  • DE623003C - Remote control and monitoring arrangement for rail traffic : de en
  • ES4300U - Recreational game. (Machine-translation by Google Translate, not legally binding) : en es
  • DE623258C - Trip indicator with electric lighting : de en
  • FR791806A - Twin wheel with load sharing device : en fr
  • ES138157A3 - A method of construction of showering apparatus. : en es
  • GB439981A - Means for lubricating internal combustion engines with dry powdered graphite : en
  • GB440067A - Improvements in rubbing means for preparing fibrous materials for spinning : en
  • GB440109A - Improvements relating to means for heating and cooling seated enclosures : en
  • US2024253A - Broaching machine : en
  • GB440324A - Process for the treatment of wood for obtaining a dry fuel : en
  • CA354835A - Temperature regulating device : en fr
  • US2024408A - Method of tanning hectograph copying pads : en
  • US2024817A - Signaling device for vehicles : en
  • FR791983A - Fire retardant coatings : en fr
  • GB439866A - Method for the wireless transmission of sound films : en
  • DE623217C - Waterproof and crack-proof joint closure between compressed air cesspools sunk next to each other : de en
  • US2024436A - Refrigerator : en
  • US2024531A - Electrical booster : en
  • ES139913A1 - Improvements in the manufacture of pipes for water, gas and other fluids. : en es
  • FR791944A - Shirt : en fr
  • GB439996A - Improvements in electric power factor measuring instruments : en
  • FR791942A - New way of presenting canned edible products : en fr
  • GB439851A - Improvements in or relating to electrode structures for electron discharge devices : en
  • DE622900C - Mill firing : de en
  • ES4258U - Applications of fabrics embroidered in colors and with silks applicable to be included in packaging of pharmaceutical products as propaganda (Machine-translation by Google Translate, not legally binding) : en es
  • ES4267U - Bra for ladies (Machine-translation by Google Translate, not legally binding) : en es
  • GB440085A - Improvements in electrical choking coils having laminated iron cores : en
  • FR791713A - Admission regulator in circulating steam heating systems of railway vehicles : en fr
  • US2024390A - Tapping apparatus : en
  • GB440162A - Improvements in and relating to stereotype matrix and method of forming the same : en
  • FR791987A - Base rangefinder serving as a viewfinder, for photographic or cinematographic cameras : en fr
  • US2024506A - Play gun : en
  • US2024522A - Color photography : en
  • US2024582A - Amplifying arrangement : en
  • US2025004A - Support : en
  • US2024934A - Heat exchanger and clinker cooler : en
  • ES4304U - Box in the shape of a lantern, usable as a container, propaganda toy and any other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791736A - Improvements to automatic fire extinguisher systems : en fr
  • FR791835A - Signal repetition system on board a mobile by photoelectric batteries : en fr
  • ES3689Y - Extendable tabletop table. : en es
  • ES3780Y - Powder spreader can. : en es
  • GB439918A - Improvements in or relating to photographic cameras with photoelectric exposure meters and objectives therefor : en
  • ES4312U - Special device for tank faucets. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791725A - Motor vehicle lifting jacks improvements : en fr
  • GB440013A - Improvements in or relating to rotary strainers : en
  • DK51028C - Adjustable joint connection, especially for articulated support arms for electric lamp luminaires. : da en
  • GB440128A - Improvements in posts for traffic control and like street signs : en
  • US2024637A - Storage battery container : en
  • USD97835S - Design for heater plug : en
  • US2024197A - Process and apparatus for returning flue dust to a furnace : en
  • US2024420A - Pump : en
  • US2024549A - Control system for brakes for the wheels of aircraft : en
  • FR792026A - Improvements in the preparation and molding of synthetic resins : en fr
  • FR792072A - Starting device for vehicles and other applications : en fr
  • FR791753A - Process for the preparation of metal complexes of secondary dis- and poly-azo dyes : en fr
  • FR791867A - Recording of phonographic records : en fr
  • US2024285A - Method of making pistons : en
  • US2024291A - Pneumatic lifting jack : en
  • FR791745A - Improvements to the indication of stations likely to be received by a t. s. f. : en fr
  • GB440048A - Improvements relating to the remote control of railway track switches and signals : en
  • US2024344A - Fruit and vegetable washing machine : en
  • US2024820A - Method of and machine for manufacturing bags or envelopes : en
  • ES4340U - A bluff announcer (Machine-translation by Google Translate, not legally binding) : en es
  • FR791927A - Fruit grater and similar products : en fr
  • FR792055A - Device for ensuring the operation of fire alarms : en fr
  • US2024612A - Refrigerator : en
  • US2024392A - Insecticidal preparation : en
  • USD97863S - Design for a lady s sport garment : en
  • FR791774A - Improvements to spraying devices comprising a needle-needle to adjust the flow rate : en fr
  • FR791746A - Trim panel fixing device and the like : en fr
  • FR791907A - Injection syringe with combined dispenser valve : en fr
  • US2024628A - Application and release valve device : en
  • US2024971A - Seam for sewed articles : en
  • US2024911A - Jack for knitting machines : en
  • USD97866S - Design for an ensemble dress : en
  • US2024780A - Fluid pressure controlling device : en
  • USD97840S - Design for an alphabet for forming : en
  • DE623252C - Machine tool, in particular drilling machine : de en
  • US2024685A - Pressure retaining valve device : en
  • US2024409A - Electric sign : en
  • US2024458A - Material gathering and loading machine : en
  • US2024722A - Automatic ignition-boosting device : en
  • US2024185A - Push bench for drawing tubes : en
  • AU2050534A - Electrical wiring systems : en
  • US2024662A - Cementing apparatus for oil and gas wells : en
  • US2024771A - Hair curler : en
  • ES4341U - A chassis holder for photo boards (Machine-translation by Google Translate, not legally binding) : en es
  • US2024358A - Filtration of slimes : en
  • US2024867A - Journal box : en
  • US2024683A - Gelatin product and method of making same : en
  • US2024815A - Fluid level indicator : en
  • FR791926A - Method and device for labeling film-packs : en fr
  • US2024165A - Shedding mechanism for circular looms : en
  • US2024885A - Vehicle door support : en
  • CA354755A - Safety razor : en fr
  • US2024972A - Manufacture of condensation products : en
  • US2024987A - Plastic rubber derivative : en
  • AU2167835A - Improvements in luminous electric discharge tubes : en
  • FR791785A - Method of establishing blast furnace vessels and other refractory constructions subject to wear : en fr
  • FR791816A - Folder for sheets of paper : en fr
  • US2024974A - Printing : en
  • US2024378A - Remote indication of gas pressures, flows, and the like : en
  • US2024467A - Combined steam generator and oil burner : en
  • US2024754A - Bulldozer : en
  • US2024864A - Chromatable azo dyestuffs and their production : en
  • US2024862A - Expansion coupling for cable conduits : en
  • US2024703A - Trench pump : en
  • US2024499A - Bicycle pedal : en
  • US2024823A - Valve : en
  • US2024832A - Container : en
  • US2024278A - Collapsible pipe tap : en
  • US2024649A - Metallurgical furnace : en
  • US2024829A - Baby grand piano : en
  • CA354788A - Coal stoker : en fr
  • AU2014434A - A process forthe manufacture ofa synthetic balsam by condensation of phenols with aldehydes : en
  • CA354813A - Amine production : en fr
  • US2024736A - Two-anode tube and connection system for the same : en
  • GB440339A - Improvements in or relating to kinematograph projectors and cameras : en
  • CA354810A - Sound transmission system : en fr
  • US2024843A - Nonrefillable bottle : en
  • US2024255A - Process for the sterilization of milk and other liquids : en
  • US2024558A - Electrical condenser and method of making same : en
  • US2024224A - Reenforced gummed tape : en
  • US2024238A - Cellulose ester containing groups of dicarboxylic acids having heterogeneous linkages and process of making the same : en
  • DE623262C - Chess game : de en
  • US2024979A - Cathode ray apparatus : en
  • AU2046234A - Improvements in or relating to electrical oscillation generator arrangements : en
  • CA354742A - Washboard : en fr
  • CA354857A - Textile machinery : en fr
  • US2024430A - Hot water bottle : en
  • US2024724A - Counterweight system : en
  • CA354762A - Perch for bird cages : en fr
  • US2024779A - Adjustable sight for firearms : en
  • US2024810A - Cutting machine : en
  • AU2046434A - A periodic antennae able to accommodate wide wave bands : en
  • US2024897A - Safety headlight or spotlight : en
  • DE623233C - Cordless switch cabinet : de en
  • CA354822A - Door brace and guide mechanism : en fr
  • US2024505A - Rotary switch : en
  • US2024543A - Noncaking metaphosphate : en
  • AU2291635A - Cyanide process forthe recovery of gold or like precious metals : en
  • CA354768A - Air-method cleaning tool : en fr
  • US2024669A - Speed controlled brake : en
  • US2024731A - Elevator control system : en
  • FR791966A - Process for the preparation of salts of alkyl esters : en fr
  • GB440150A - Manufacture of dyestuffs containing metal in complex union : en
  • CA354766A - Motion picture camera : en fr
  • US2024542A - Timing device : en
  • FR791734A - Detachable coil : en fr
  • CA354772A - Non-skidding chain : en fr
  • DE623176C - Device for automatic traffic control on intersecting streets : de en
  • FR791707A - Method and device for locking rods or bolts : en fr
  • CA354797A - Tire cover : en fr
  • DK51042C - Procedure for Purification of Corpusluteum Hormone. : da en
  • GB439962A - Process of maturing and ageing raw alcoholic liquors : en
  • US2024383A - Food mixer and fruit juice extractor : en
  • US2024711A - Shredder : en
  • AU1877134A - Improvements in and relating to adjustable louvres : en
  • DE623275C - Device for continuous extraction with liquid solvents, especially oilseeds : de en
  • CA354765A - Electrical conduit coupling : en fr
  • CA354858A - Filament manufacture : en fr
  • ES4296U - Joker for types of printing with improved friction. (Machine-translation by Google Translate, not legally binding) : en es
  • ES139955A1 - An electric button switch. : en es
  • US2024275A - Potentiometer device : en
  • US2024481A - Sand mixer : en
  • US2024868A - Balanced draft gear : en
  • CA354794A - Denture : en fr
  • US2024676A - Production and concentration of an antithyroid component : en
  • US2024899A - Toy building block set : en
  • US2025003A - Metering apparatus for mixing machines : en
  • CA354807A - Fourdrinier paper making machine : en fr
  • US2024155A - Elastic yarn : en
  • US2024425A - Continuous soap crutcher : en
  • US2024411A - Multiunit tank car : en
  • US2024594A - Printing machine : en
  • GB439835A - Process for the manufacture of resinous substances similar in composition and properties to lac : en
  • FR791740A - Improvements to electric shock devices : en fr
  • GB440060A - Improvements in draught excluders for doors and windows : en
  • FR791720A - Improvements relating to loudspeakers and similar instruments : en fr
  • GB440122A - Improvements in or relating to pipe joints : en
  • DE623209C - Formation of the flat control surface for fluid transmission with swash plate : de en
  • AU2273235A - Improvements in and relating to nozzle assemblies for collapsible metal tubes andthe like : en
  • US2024296A - Governor : en
  • CA354770A - Combined chair and crib : en fr
  • CA354782A - Card index tray : en fr
  • NL36959C - : en
  • US2024444A - Car loading device : en
  • US2024368A - Monoazo dyes and their production : en
  • US2024618A - Spreading device : en
  • US2024982A - Surgical instrument : en
  • AU2046334A - Improvements in or relating to radio signalling systems : en
  • ES4309U - Device for the conditioning of ice or refrigerated mixture used in refrigerators, conservators and cabinets, refrigerators in general. (Machine-translation by Google Translate, not legally binding) : en es
  • DE623308C - Hood for air-cooled engines, especially aircraft radial engines : de en
  • FR791882A - multi-compartment case consisting of a single piece and intended to separately contain different products : en fr
  • DE623277C - Box or dummy : de en
  • US2024600A - Manufacture of impregnated fiber articles or sheets : en
  • US2024859A - Coffee maker : en
  • US2024990A - Lubricant : en
  • CA354847A - Car door elevating device : en fr
  • DE623228C - Safety device for high-performance steam boiler with automatic control of the feed water supply in the sense of constant water level : de en
  • GB439993A - A new and improved tile : en
  • FR792023A - Game balls and their manufacturing process : en fr
  • ES139965A3 - Automatic condensate drain. : en es
  • GB439816A - Improved manufacture of viscose artificial silk : en
  • US2024217A - Circuit breaker : en
  • US2024500A - Mowing machine attachment : en
  • CA354808A - Pipe joint : en fr
  • US2024601A - Artificial larynx : en
  • GB439860A - Improved method for artificially drying and seasoning wood : en
  • CA354803A - Lubricating oil : en fr
  • DE1358044U - : de en
  • DK51021C - Lighting system for Vending machines. : da en
  • USD97856S - Design for a wheel ob similar : en
  • CA354823A - Coin-controlled vending apparatus : en fr
  • GB440338A - Improvements in or relating to percussion fuzes for projectiles : en
  • US2024166A - Fabric-supporting means for circular looms : en
  • US2024473A - Flexible coupling : en
  • US2024778A - Seed planter : en
  • GB439910A - Improvements in or relating to beverage cooling, aerating and dispensing apparatus : en
  • GB440074A - Thrust bearings : en
  • FR792087A - Throwing ball game with time counter : en fr
  • FR791752A - Turbo-mechanism, in particular for the transmission of force between an engine and a propulsion shaft for vehicles : en fr
  • FR792012A - Process for etching animal fibers, in particular hair for the manufacture of felt : en fr
  • ES4327U - Container with lid and safety lock, to contain cookies, coffee, sugar and other similar items (Machine-translation by Google Translate, not legally binding) : en es
  • CA354752A - Ventilator for vehicles : en fr
  • US2024215A - Vibration-proof pipe joint : en
  • US2024222A - Toggle release hook : en
  • US2024511A - Vacuum sealing can : en
  • US2024884A - Combined robe rail and receptacle : en
  • USD97859S - Design for a textile fabric : en
  • US2024968A - Method of producing lubricating oil : en
  • US2024587A - Starting device for lighter-than-air aircraft : en
  • US2024805A - Fastener : en
  • CA354809A - Dyeing and printing process : en fr
  • US2024397A - Refrigerating shipping carton : en
  • DE623210C - Drill knife for countersinking holes for countersunk screws or rivets : de en
  • USD97846S - Design for a milking stool : en
  • DE623219C - Folding unit for rotary printing machines : de en
  • DE623280C - Washing machine with a laundry and lye container divided in or near its center : de en
  • FR792035A - Stellitic cutting alloy based on cobalt and chromium, which can be improved by heat treatment : en fr
  • US2024150A - Plated metal and the manufacture thereof : en
  • US2024545A - Dental alloy : en
  • US2024807A - Radio apparatus : en
  • US2024866A - Cast wheel : en
  • AU2502035A - Improvements in telephone systems : en
  • ES4303U - Automatic kitchen for extracted pomace. (Machine-translation by Google Translate, not legally binding) : en es
  • US2024306A - Steel tie or bridle bar construction : en
  • US2024375A - Wheel : en
  • DE623263C - Press body for briquette extrusion : de en
  • US2024239A - Uniting of steel plates or other structures : en
  • US2024426A - Filter : en
  • US2024366A - Protector for hat sweatbands : en
  • GB440267A - Improvements in methods of and apparatus for measuring the pressure in the surface of contact between a yielding and substantially unyielding body : en
  • US2025000A - Regenerated cellulose sheet or film and method of making same : en
  • FR791717A - Return signaling installation using relay selectors : en fr
  • GB440132A - New or improved bicycle : en
  • US2024941A - Retreading vulcanizer for tires : en
  • FR791820A - Anti-vibration device for overhead lines : en fr
  • GB439982A - Improvements in or relating to sand-blasting apparatus : en
  • FR792060A - Device for internally coating molds for centrifugal casting with packing materials : en fr
  • GB439809A - Improvements in cabinets or tables : en
  • GB439880A - Treatment of cellulose fibres, yarns, woven fabrics, and the like : en
  • GB440092A - Improvements in or relating to regenerative repeaters for telegraph signals : en
  • GB439869A - Improvements in and relating to pneumatic tyres : en
  • DE623211C - Sewing machine with a fabric support arm : de en
  • DE623261C - Automatic firearm, especially machine gun, working according to the gas pressure loading principle : de en
  • US2024819A - Apparatus for carrying out electrometric analyses : en
  • USD97842S - Design fob a textile fabric or : en
  • CA354841A - Linecasting and composing machine : en fr
  • US2024629A - Horizontal pianoforte : en
  • US2024476A - Process of securing sulphur dioxide extract of petroleum : en
  • ES3788Y - Packaging model for matches or other items. : en es
  • GB439856A - Insulin preparations : en
  • GB439990A - Improvements in or relating to gas filled cathode ray tube arrangements suitable foruse for television reception : en
  • US2024608A - Sound and picture system : en
  • US2024717A - Coin control and selecting mechanism : en
  • US2024180A - Ornamental material and shoe made therefrom : en
  • US2024232A - Furnace : en
  • US2024808A - Vehicle brake : en
  • US2024929A - Carburetor for internal combustion engines : en
  • US2024681A - Treatment of hydrocarbon oils : en
  • FR791764A - Process for coloring hydrocarbons : en fr
  • GB440197A - Improvements relating to the prevention of wear during the running in of ferrous metal parts of engines and machinery : en
  • FR791865A - fuel saver : en fr
  • GB440126A - Improvements in synchro mesh gears : en
  • DK51038C - Method and Apparatus for Manufacturing a Bituminous Road Construction Material. : da en
  • US2024764A - Road surfacing machine : en
  • GB440082A - Fuse for hand grenade : en
  • ES4307U - Measuring chamber for liquid counters with annular piston and sealing strip on the inner edge of the dividing wall. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792016A - Preparation of cracked gasoline with low gum content : en fr
  • GB439900A - Improvements relating to the art of electric arc welding : en
  • US2024539A - Pessary : en
  • GB440016A - Photographic printing paper : en
  • GB440080A - Improvements in calendars and in date indicators : en
  • US2024706A - Short circuit detector relay : en
  • GB440145A - Improvements in or relating to method of and apparatus for aerating a liquid such ascream : en
  • FR791704A - Manufacturing process of glucinium alloys : en fr
  • FR791728A - New locomotive axle lubrication system and tenders : en fr
  • FR792067A - Speed change for wedge belt pulleys : en fr
  • US2024276A - Rotary tool device : en
  • US2024424A - Machine for processing material and method of controlling the operation thereof : en
  • DE623237C - Auto double breaking installation switch : de en
  • DE623291C - Franklinization device : de en
  • US2024767A - Piston and method of making the same : en
  • FR792092A - Improvements to devices operating in the warm-up state and, in particular, to electronic lamps : en fr
  • ES4287U - Cardboard container for powder and granulated materials. (Machine-translation by Google Translate, not legally binding) : en es
  • FR791869A - Air screening machine for processing dry, medium and fine grain mixes : en fr
  • GB440261A - Improvements in or relating to the manufacture of containers : en
  • US2024302A - Motor mounting : en
  • US2024880A - Grip cord and method of making same : en
  • DE623248C - Flower and perennial fastening wire : de en
  • GB440130A - Improvements in methods of applying light-sensitive layers to films in intermediate film television installations : en
  • US2024183A - Method of making chain links : en
  • US2024672A - Speed controlled brake : en
  • FR792024A - Improvements in tulle and lace looms : en fr
  • ES4269U - Double buccal speculum. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439999A - Improvements in and relating to drawing boards : en
  • US2025019A - Automatic gain control circuits : en
  • US2024634A - Clasp : en
  • US2024661A - Rjszdorfer : en
  • US2024461A - Loose leaf binder : en
  • US2024484A - Golf club rack : en
  • US2024689A - Production of cellulose from ligno-cellulosic materials : en
  • US2024804A - Piston ring : en
  • US2024254A - Broaching machine : en
  • FR792013A - Improvements to electrical switches : en fr
  • FR791969A - Coil for high voltage winding : en fr
  • ES4322U - Sealing with flux. (Machine-translation by Google Translate, not legally binding) : en es
  • FR792085A - Seat for motor vehicles and others : en fr
  • GB439916A - Shearing head for hair cutting apparatuses, and in particular for dry shaving apparatus : en
  • US2024273A - Toggle switch : en
  • US2024459A - Driving mechanism : en
  • CA354801A - Composite metal strip making method : en fr
  • US2024434A - Feeding mechanism for sewing machines : en
  • AU2044834A - Improvements in or relating to television systems : en
  • FR791787A - Mechanical driver arrangement loading the fireplace from below : en fr
  • FR791874A - Improvements to acoustic devices, such as microphones : en fr
  • FR791866A - Improvements in braking devices for automobiles and the like : en fr
  • GB439932A - Manufacture of condensation products from urea, formaldehyde and hexamethylenetetramine : en
  • ES4256U - Temporary cover for graves (Machine-translation by Google Translate, not legally binding) : en es
  • GB439821A - Improvements in the manufacture of men's stiff felt hats : en
  • ES4325U - Security reinforcements apply to all kinds of locks. (Machine-translation by Google Translate, not legally binding) : en es
  • GB439971A - Improvements in or relating to electric remote indicating systems : en
  • GB440057A - Improvements in or relating to cigarette paper book-making machines : en
  • US2024900A - Electrical network system : en
  • FR791792A - Process for the preparation of vulcanized aqueous dispersions of rubber : en fr
  • FR792089A - Machine for obtaining grape juice in uvales or other stations : en fr