• US2050475A - Coin-freed or operated vending machine : en
  • US2050476A - Bulkhead and bunker for refrigerator and other cars : en
  • US2050789A - Manufacture of condensation products from aliphatic organic compounds : en
  • NL38858C - : en
  • CA359696A - Mechanical power hammer : en fr
  • CH185745A - Ignition system for internal combustion engines equipped with an ignition coil. : de en
  • US2050927A - Process for breaking petroleum emulsions : en
  • AU2553735A - Improvement in sheetmetal cans : en
  • USD100798S - Design for embroidered : en
  • CA359707A - Anti-rachitic substance : en fr
  • ES4897U - Toilet sponge (Machine-translation by Google Translate, not legally binding) : en es
  • CH185705A - Hand grenade. : de en
  • US2050342A - Crate, basket, and similar container : en
  • US2050518A - Hitch means : en
  • USRE20065E - Preparation of fibrous material : en
  • US2050571A - Photographic apparatus : en
  • US2050625A - Laundry drying apparatus : en
  • NL38993C - : en
  • US2050712A - Wrapping and banding machine : en
  • US2050306A - Sheet transfer mechanism for rolling mills : en
  • US2050569A - Apparatus for cleaning carpets, garments, and the like : en
  • USD100829S - Design for an initial or other : en
  • US2050897A - Electric circuit making and breaking device : en
  • US2050334A - Lightning arrester : en
  • USD100831S - Design fob a casing fob a typo : en
  • US2050424A - Middle buster attachment : en
  • NL38971C - : en
  • US2050317A - Printing telegraph projecting machine : en
  • US2050349A - Gas turbine system for aerial propulsion : en
  • US2050759A - Vehicle reverse brake mechanism : en
  • CH185844A - Process for the preparation of an azo dye. : de en
  • FR801720A - Process for extinguishing fires : en fr
  • US2051013A - Art of beverage conditioning and dispensing : en
  • ES142163A1 - A new drive system for vehicles, powered by levers. : en es
  • ES142225A1 - A new system of construction and insulation of all kinds of coils, transformers and electric capacitors. : en es
  • FR801607A - Billiard table, with components facilitating its assembly and correct installation : en fr
  • US2050592A - Basic bismuth salts of aromatic mercury compounds : en
  • US2050938A - Jar sealing device : en
  • ES142130A2 - AN IMPROVEMENT IN CENTRAL HEATING INSTALLATIONS BY HOT WATER AND BY STEAM. OBJECT OF PATENT NUMBER, 141955. : en es
  • FR46724E - Electric pencil-shaped flashlight : en fr
  • DE633990C - As a container for preferably powdery capsule serving : de en
  • ES4906U - Case for matches (Machine-translation by Google Translate, not legally binding) : en es
  • FR801634A - Aircraft hangar : en fr
  • FR46704E - Furnace for the incineration of urban waste : en fr
  • ES142251A1 - Protection of wooden propellers for aircraft. : en es
  • AT146765B - Circuit arrangement for telecommunications, in particular telephone systems. : de en
  • CA359682A - Refrigeration apparatus : en fr
  • CA359746A - Mineral oil acetylenization : en fr
  • ES141152A1 - Construction procedure for partitions and cork covers. : en es
  • CH185738A - Fully automatic press. : de en
  • CH185778A - Process for the preparation of N.N'-dichloro-azo-dicarbonamidine. : de en
  • US2050374A - Electric terminal plug : en
  • US2051011A - Press mechanism : en
  • US2050341A - Glow lamp : en
  • ES142289A1 - A procedure for the making, on paper, of reticular chromatic copies, by means of optical copying of negatives or cross-linked slides in color or colored or transparent chromatic objects. : en es
  • US2050336A - Outboard motor : en
  • US2050391A - Pump : en
  • DE634042C - Process for the representation of dyes : de en
  • ES142361A1 - Electric trigger mechanism for automatic change of taps on the looms. : en es
  • GB451604A - Magnetic correction of cathode ray tubes : en
  • US2050963A - Detector : en
  • DE634031C - Hot table iron that can be used as a wringing machine : de en
  • GB451728A - Process for the treatment of solutions having a colloidal and/or crystalloidal character and in particular sugar juices and residual liquors : en
  • GB452008A - Improvements in and relating to transportable trunk communication electric cable installations : en
  • US2050489A - V-belt : en
  • US2050576A - Method of forming a closure end for containers : en
  • USD100750S - Design for a jar : en
  • US2050377A - Machine for shaping uppers over lasts : en
  • US2050313A - Floor construction for bridges and the like : en
  • GB451755A - Improvements in or relating to envelopes : en
  • DE633966C - Device on zigzag sewing machines to achieve a needle deflection to the right or left of the zero line : de en
  • ES142352A1 - Improvements in the preparation of clichés for duplicating machines. : en es
  • FR801698A - Method and device for recording and reproducing sound vibrations using the magnetization process : en fr
  • US2050380A - Method and means for studying sound : en
  • DE633939C - Device for guiding and fixing a drawing rail head on the edge of a drawing board : de en
  • GB451808A - Improvements in excavators : en
  • US2050655A - Railway car wall : en
  • US2050918A - Electric switch : en
  • CA359786A - Bread manufacture : en fr
  • CH185832A - Process for producing a diazoamino compound. : de en
  • CH185823A - Signal system. : de en
  • DK52003C - Malelegeme. : da en
  • US2050439A - Utility cutter tool : en
  • CH185734A - Watch strap. : de en
  • FR801723A - Improvements in methods and devices for operating an internal combustion engine : en fr
  • ES142177A3 - Feeding device, with hydraulic brake, for rolling mills called "pilgrim's pace". : en es
  • ES142326A1 - Improvements in the manufacture of emulsifying media for the preparation of oil preparations for the irrigation of plants. : en es
  • GB451950A - A method of and apparatus for cutting samples from the sheets of gasholders : en
  • DE633984C - Impression cylinder lift for sheet-fed rotogravure printing machines : de en
  • DE634064C - Device for producing a newspaper stopper : de en
  • GB451627A - Improvements in hopper feeders for feeding fibrous materials : en
  • ES142371A1 - A process for manufacturing a chemical for industrial use containing zinc and magnesium. : en es
  • DE634050C - Boot jack : de en
  • ES140053A1 - A method of making restorative chocolates. : en es
  • GB451636A - A darts' game scoring and checking board : en
  • GB451877A - Improvements in or relating to electron discharge device oscillator arrangements : en
  • GB451862A - Improvements in or relating to magneto ignition apparatus : en
  • GB452018A - Improvements in or relating to dyeing and printing : en
  • GB452145A - Improvements in or relating to apparatus for transferring and/or loading material in bulk form : en
  • ES141808A1 - Pressure cylinder to draw. : en es
  • US2050829A - Stereotype plate shaving machine : en
  • US2050935A - Metallic flooring : en
  • FR801616A - Improvements to the elastic walls for the transmission of fluid pressures, in particular to the caps used in hydraulically controlled brakes : en fr
  • ES142373A3 - Procedure to avoid electrostatic interaction between the plate and the control grid in thermionic tubes. : en es
  • CA359841A - Fuel gasifying process : en fr
  • US2050462A - Woodworking machine : en
  • US2050521A - Alarm apparatus : en
  • US2050484A - Washing machine : en
  • ES142268A1 - A radio - receiver device. : en es
  • ES142333A1 - New system of regulating installation in the electric induction meters. : en es
  • US2050762A - Universal mop : en
  • GB452017A - Improvements in or relating to electrical time circuit arrangements and oscillation generators : en
  • US2050436A - Emergency illuminating kit : en
  • USD100757S - Design for a sadiron : en
  • USD100765S - Design for a buckle : en
  • AT146783B - Induction motor with disc-shaped stator with a ring winding. : de en
  • ES142302A1 - A procedure of making an elastic thread. : en es
  • CH185765A - Indirectly heated cathode for electrical discharge tubes and processes for their manufacture. : de en
  • ES142387A3 - A fruit press apparatus. : en es
  • GB451646A - Safety device for motor vehicles : en
  • CA359808A - Cement manufacture : en fr
  • GB451676A - Improvements in or relating to sound transmitting recording and reproducing systems : en
  • US2050905A - Harrow : en
  • US2051002A - Refractory composition : en
  • DK51983C - Pipe foot. : da en
  • FR801712A - Machine for moistening or gluing the stiffeners used in the shoe : en fr
  • GB451610A - Controlling the signal frequencies in television systems : en
  • FR801669A - Identification fingerprint : en fr
  • GB451620A - Improvements relating to braking mechanisms : en
  • DE633961C - Projector for opaque objects : de en
  • USD100779S - Design for a wall unit fob a : en
  • US2050531A - Process for making separate builtup heels : en
  • US2050646A - Linoleum and method of manufacturing : en
  • USD100815S - Design for a ring frame : en
  • US2050542A - Frictional drive mechanism : en
  • GB451784A - Improvements in, or relating to, tanks for use more especially in supplying lubricating oil to aircraft : en
  • US2050757A - Coupling : en
  • GB451779A - A method of preparing products containing intermediary ferments of metabolism : en
  • ES142089A1 - A focus with a device to increase the intensity of light by mechanical procedure, obtaining cold light characteristics and parallel rays at will for various applications. : en es
  • GB451817A - Improvements in methods of measuring the magnitude of the force of gravity : en
  • GB451848A - Improvements in or relating to the manufacture of extruded metal shapes by hot hydraulic extrusion : en
  • GB451640A - Improvements in or relating to a combustion device : en
  • CA359791A - Vehicle wheel : en fr
  • US2050240A - Heating and ventilating system for aircraft : en
  • NL38883C - : en
  • US2050993A - Method of joining printing elements : en
  • US2050443A - Manufacture of ethyl alcohol : en
  • US2050868A - Shoe holder : en
  • FR801633A - Apparatus for maneuvering well-digging skips and similar operations, sheers and other devices fitted with this apparatus : en fr
  • US2050406A - Method of and apparatus for making lock nuts : en
  • US2050626A - Drying machine : en
  • US2050630A - Combined coupling and safety device for power transmission shafts : en
  • GB451828A - Improvements in furnaces for solid fuels : en
  • FR801602A - Method of automatic pressure adjustment of electric electrode boilers : en fr
  • GB451971A - Improvements in or relating to the heating of halls, open spaces, lofty rooms and the like : en
  • GB451729A - Improved method of manufacturing nozzles : en
  • FR801618A - Fully servo-controlled pneumatic or hydraulic control device : en fr
  • US2050533A - Oiling device : en
  • US2050266A - Alloy and method of making same : en
  • US2050589A - Revolving door hardware : en
  • US2050827A - Electric clock : en
  • DE633992C - Security device against theft of motor vehicles : de en
  • DE634056C - Diaphragm pump for concrete : de en
  • ES142221A1 - Procedure for obtaining hyposulfite. : en es
  • DE633876C - Process for the regeneration of waste rubber : de en
  • ES142374A1 - Improved device for the tempering of the rails. : en es
  • GB452363A - Manufacture of free ªÏ-methane-sulphonic acids of pyrazolone-amines : en
  • GB451951A - Improvements relating to water taps : en
  • GB451912A - Respirator for personal use : en
  • US2050740A - Apparatus for the manufacture of cemented pile fabric : en
  • US2050615A - Steam boiler : en
  • ES142283A2 - A ROTATION AND PRESSURE MOLDING PROCEDURE FOR THE MANUFACTURE OF TOOLS. : en es
  • CA359805A - Water tap : en fr
  • USD100754S - Design for a finger ring : en
  • ES142368A1 - New machine for dyeing : en es
  • FR801666A - Stamping or die-forging process with electrical resistance heating and device for implementing said process : en fr
  • GB451836A - Station indicating device for radio receiving apparatus and the like : en
  • ES142330A1 - A procedure for photographing images on tissues. : en es
  • GB451804A - Improvements relating to apparatus for separating dirt from coal and for other analogous uses : en
  • ES142248A1 - Improvements in the means to form a hermetic gas joint, between metal bodies. : en es
  • GB451829A - Improvements in or relating to furnaces for solid fuels : en
  • GB451752A - An improved felt for use in the manufacture of paper, cardboard and analogous materials : en
  • GB451715A - Improvements in submarine mines : en
  • GB451790A - Improvements in sprayers for horticultural or like purposes : en
  • GB451963A - Improvements in and relating to electric vacuum switches : en
  • CA359766A - Vulcanization accelerator : en fr
  • CH185696A - Substitute for seal skins as anti-skid protection for skis. : de en
  • CH185712A - Device for displaying foreign substances in gaseous fluids which influence the electrical resistance of a measuring wire. : de en
  • US2050797A - Apparatus for recovery of phosphorus : en
  • DE632339C - Electrically heated central heating system : de en
  • US2050441A - Resilient or cushion wheel : en
  • US2050627A - Pressing machine : en
  • CA359741A - Precipitate producing method : en fr
  • CH185811A - Racing wolf. : de en
  • CH185857A - Tube closure. : de en
  • GB451670A - Wireless television method and arrangement : en
  • US2050314A - Weighing feeder : en
  • US2050543A - Spring holding attachment for automobiles : en
  • US2050850A - Grinding wheel : en
  • US2050634A - Method of cleaning bottles : en
  • CA359845A - Dry heat moulding unit for dentures : en fr
  • AU33436A - Shearing machine handpiece and comb therefor : en
  • US2050752A - Production of acrylic acid chloride : en
  • USD100766S - Design fob a leather : en
  • US2050371A - Safety razor and blade therefor : en
  • US2050786A - Slicing machine construction : en
  • CA359793A - Combined aircraft wheel and brake : en fr
  • DE633927C - Sealing closure for removable dust bags from vacuum cleaners : de en
  • ES141684A3 - Procedure for waterproofing and filling cavities in the grounds or in masonry. : en es
  • ES4888U - New sandal (Machine-translation by Google Translate, not legally binding) : en es
  • US2050358A - Variable speed pulley : en
  • US2050970A - Open hole bridger and support : en
  • CH185613A - Spinning bait for sport fishing. : de en
  • DE633953C - Process for bleaching dough : de en
  • ES142182A1 - Perfeccionamientos introduced in the metallic brushes to work wood. : en es
  • GB451926A - Improvements in charging hole shutters for coke ovens, retorts and the like : en
  • CA359795A - Mercury tube scale indicator control : en fr
  • DE634011C - Gas-heated liquid heater with a cone-shaped wound heater pipe coil : de en
  • DK51984C - Procedure for the production of sodium nitrate. : da en
  • AT146729B - Circuit for crash killing. : de en
  • CA359773A - Tilting platform : en fr
  • DE633723C - Manufacture of nitric acid : de en
  • DE633827C - Tube device for receiving stations that are modulated with a tone as a voting signal before the start of the broadcast : de en
  • ES4905U - Metal junction and junction box for electrical installations. (Machine-translation by Google Translate, not legally binding) : en es
  • ES141791A3 - Injection molding procedure for organic plastic masses. : en es
  • US2050332A - Heating device : en
  • GB451744A - Transmission of temperature indications to a distance : en
  • US2050350A - Paper feeding and cutting apparatus : en
  • DE629119C - Filler : de en
  • US2050611A - Pressing machine with sectional element : en
  • US2050767A - Method and apparatus for uniting printed webs : en
  • GB451968A - A couch or reclining seat of the hammock type : en
  • FR801629A - Protective helmet against gases, microbes and all other toxic products : en fr
  • CA359809A - Rotary kiln and cooler : en fr
  • GB451667A - Improvements in automatic switches for use in telephone or like systems : en
  • US2050379A - Blast furnace filling device : en
  • USD100813S - Design for a dress : en
  • US2050364A - Series lamp socket : en
  • US2050784A - Sewing machine : en
  • US2050659A - Lawn sprinkler : en
  • USRE20059E - Multdyocal lens and method of : en
  • DE634087C - Spring arrangement for storm poles : de en
  • US2050653A - Smoke eliminating apparatus : en
  • US2050872A - Method of oxide-coating aluminum : en
  • ES142183A1 - A protective crossing headlight. : en es
  • AT146761B - Quotient measuring mechanism and apparent power counter. : de en
  • CH185634A - Heating boilers, in particular for burning small-grain fuels. : de en
  • ES141769A3 - Improvements in the finishing of lining fabrics. : en es
  • GB451895A - Improvements in and relating to immersion heaters : en
  • GB451988A - Improvements in or relating to the treatment of mineral or vegetable oils for the production of thickened or solidified oil therefrom : en
  • FR801651A - Process for the fractionation of hydrocarbon mixtures : en fr
  • FR801685A - Improvements to syringe pumps and similar devices for surgical or other uses : en fr
  • FR801716A - Improvements to grinding machines : en fr
  • GB451839A - Improvements in caps or covers for bottles, flasks or other vessels : en
  • GB451973A - Improvements in spring-cushions and the like : en
  • US2050339A - Method of welding tubular connecters : en
  • USD100769S - Design for a slipper : en
  • US2050620A - Rod packing : en
  • USD100800S - Design for embroidered : en
  • CH185804A - Scale device for radio receivers. : de en
  • USD100814S - Design fob a helmet : en
  • AT146720B - Manufacture of objects that must have special strength properties, in particular high vibration resistance and / or should have high resistance to becoming brittle due to intergranular corrosion. : de en
  • FR46742E - Method and device for labeling film-packs : en fr
  • US2050473A - Rotary compressor : en
  • ES141555A1 - PROCEDURE FOR OBTAINING ANDROSTERONES, RESPECTIVELY ANDROSTANDIOLS. : en es
  • FR46702E - Automatic vehicle hitching device : en fr
  • GB451937A - Manufacture of acid triphenylmethane dyestuffs : en
  • ES142003A3 - Manufacturing process of rope fabrics with or without weft for the manufacture of tires. : en es
  • DE633917C - Device for the continuous extraction of material : de en
  • DE633949C - Voltage regulating single-phase transformer : de en
  • GB451733A - Improvements in or relating to the manufacture of salts by means of base exchangers : en
  • GB451806A - Improvements in or relating to mudguards or wings for road vehicles : en
  • GB451905A - Improvements in apparatus for separating gas and/or vapour from a mixture of gas and/or vapour and liquid flowing through a tube : en
  • US2050432A - Rail spike : en
  • GB451759A - Improvements in and relating to springing arrangements for vehicles : en
  • FR801615A - Bending machine : en fr
  • GB451621A - Improvements in or relating to shoring structures for mines : en
  • GB451683A - Improvements in or relating to filter filling for cigarettes, cigars or tobacco pipes : en
  • US2050551A - Illuminated display apparatus : en
  • ES142099A1 - Procedure and device for the start of induction motors, with the rotor in short circuit. : en es
  • FR46728E - Machine for testing the hardness of metals, especially hard metals or thin blades : en fr
  • GB451642A - Improvements in or relating to rotary separating apparatus : en
  • GB451884A - Improvements in surgical operating tables : en
  • GB451976A - An improvement in or relating to surgical trusses : en
  • GB451780A - Improvements in or relating to fluid pressure governors : en
  • ES142241A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT. : en es
  • FR801631A - Grinding machine, especially applicable to refining and hydration of fibrous materials : en fr
  • ES141440A1 - FLOOR MOUNTED DOOR CLOSURE WITH OIL BRAKING AND UNDER THE ACTION OF SPRINGS. : en es
  • GB451706A - Improvements in means for cooling oil-filled containers for electrical apparatus : en
  • GB451617A - Improvements in the combustion of refuse and similar fuels of low calorific value : en
  • US2050691A - Closure : en
  • USD100758S - Design fob lace : en
  • DK51988C - Pulp Grinding Machine. : da en
  • DE633545C - Polygonal container made of barrel plates : de en
  • GB451767A - An improved identification seal for poultry or the like : en
  • FR801672A - Process for the production of clear basecoats having good adhesion : en fr
  • CH185664A - Process for making a health promoting butter. : de en
  • SE87101C1 - CARDBOARD MACHINE DEVICE : en sv
  • GB451969A - Process for the production of aluminium chloride and certain metals as by-products : en
  • US2050605A - Air filter for flues : en
  • US2050672A - Pressure relief device for shock absorbers : en
  • CH185846A - Process for the production of thermosetting and mouldable compositions with urea-aldehyde resins. : de en
  • AT146715B - Method and machine for winding paper tubes, in particular tubes of any conicity. : de en
  • CH185636A - Gas stove with concealed ramp. : de en
  • ES142278A1 - A method for heating or cooling pulverulent materials. : en es
  • ES4895U - Cleaner for pipes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB451673A - Process for the manufacture of azodyestuffs : en
  • ES142329A3 - Modulation system for lift wave signal systems. : en es
  • FR801697A - Improvements to thermostats and control valves : en fr
  • US2050974A - Process of preparing a purified pyrethrin concentrate : en
  • ES142336A1 - An improvement in the mechanism of the filing cabinets and papers in general. : en es
  • GB451981A - A process for recovering vanadium from substances of poor vanadium content : en
  • US2050281A - Heating device for automobiles : en
  • US2050874A - Roll film camera : en
  • DE633904C - Arrangement for controlling an alternating current commutator motor for the electrode feed during arc welding : de en
  • GB451959A - A system, or method, of scanning an image: for use in conjunction with any moving spot scanning device, for television or the like : en
  • GB451807A - Improvements in and relating to lids for furnaces, ovens and the like : en
  • DE634084C - Device for preventing skipped stitches on lockstitch sewing machines : de en
  • GB451972A - Improvements in and relating to canting travelling head cross cut saws : en
  • GB451675A - Improvements in the manufacture of highly polymeric artificial materials and mixed polymerisates : en
  • GB451663A - Improvements in or relating to television and like systems : en
  • US2050340A - Ignition spark advance : en
  • US2050885A - Radio tube shield : en
  • US2050550A - Hydraulic coupling : en
  • US2050717A - Wrapping and banding machine : en
  • ES142155A1 - Procedure for obtaining liquors or valuable alcoholic beverages. : en es
  • DE634054C - Method and device for mixing the fuel gas with oxygen in wire and powder spray guns : de en
  • DE634076C - Lottery machine : de en
  • CH185659A - Device for measuring the outer and inner circumference of bodies. : de en
  • ES142282A1 - Procedure for the determination of the place by means of rotary radio waves. : en es
  • NL39855C - : en
  • DE633999C - Photographic camera with a viewfinder with parallax compensation : de en
  • ES142380A1 - Improvements in the construction of latches or pins called "de cruz". : en es
  • GB451634A - Adjustable support for electric lamps and display stands : en
  • CH185711A - Epicyclic gear influenced by two rotational speeds. : de en
  • CH185730A - Method and device for the production of rubber threads or the like. : de en
  • ES142288A1 - System of inviolable box. : en es
  • US2050632A - Signal transmitter : en
  • GB451820A - Sectional steam and hot water boilers : en
  • GB451956A - Improvements in or relating to devices for controlling windows of the sliding type : en
  • ES142233A1 - OVEN INTENDED FOR THE PRODUCTION OF SULFUR GAS BY COMBUSTION OF SULFUR. : en es
  • FR801722A - Advanced slope lift for skiers, sledges and bobsleighs : en fr
  • US2050328A - Circular loom for weaving : en
  • FR801605A - Improvements to indicating and recording devices for scales and similar weighing instruments : en fr
  • GB451997A - Improvements in two-stroke internal-combustion engines operating with injection of liquid fuel : en
  • ES141772A3 - A procedure for the manufacture of electric horns. : en es
  • GB451666A - Improvements in or relating to lubricating apparatus : en
  • DE633901C - Reclosing device for electrical circuit breakers : de en
  • CH185662A - Peeling device on centrifugal machines. : de en
  • US2050509A - Mechanism for unwinding mill rolls : en
  • GB451888A - Improvements in the control of the supply of air to four-stroke cycle internal combustion engines : en
  • FR801702A - Device used to empty the ashes from stoves and stoves, without creating dust : en fr
  • CH185718A - Clock. : de en
  • ES141493A1 - A process for producing artificial textile fibers endowed with high mechanical characteristics. : en es
  • ES142169A2 - IMPROVEMENTS IN VACUUM CLEANERS FOR VENTILATION CHIMNEYS. : en es
  • IE14365L - Sound recording : en
  • GB451731A - Method of and apparatus for producing strips of staples : en
  • GB451809A - Improvements in or connected with bollards or cleats : en
  • FR46709E - Pressure stage steam plant : en fr
  • GB451756A - Apparatus for facilitating the action of a gas or a vapour on a liquid or a mixture of liquids : en
  • FR801678A - Device for rapid drilling of holes by two bits, one of which, helical, turns in the opposite direction of the other : en fr
  • CH185740A - Four-stroke internal combustion engine with pistons rotating in opposite directions in an axially movable tubular slide. : de en
  • US2050860A - Apparatus for projecting images on lenticulated films : en
  • US2050998A - Stitch and combined cuff and glove or mitten : en
  • FR801628A - Rotating tool holder for boring and similar work : en fr
  • FR801733A - Varnishing process for zippers : en fr
  • FR801693A - Improvements to microphones : en fr
  • DE633705C - Additional device for sewing machines for edging fabric edges : de en
  • ES142271A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT. : en es
  • FR801609A - Gear changes combined with a flywheel : en fr
  • ES142376A2 - IMPROVEMENTS IN AN IMPROVEMENT OF THE DEVICES TO AUTOMATICALLY STOP THE LOOM IN RUN WHEN THE SHUTTLE DOES NOT ENTER THE EXTREME PARTS OF THE BATAN PROPERLY. : en es
  • FR801750A - Modulation system : en fr
  • AT146753B - Shut-off valve, in particular for wash basin fittings. : de en
  • ES142242A1 - A manufacturing process for gloves, outerwear and others, without overlapping linings. : en es
  • GB451858A - A hydraulic appliance for electric welding apparatus : en
  • ES4898U - Safety nut. (Machine-translation by Google Translate, not legally binding) : en es
  • US2050787A - Sifter top : en
  • FR801684A - Wood-like composition and process for its manufacture : en fr
  • CH185652A - Method and machine for joining braids. : de en
  • CH185853A - Electrostatic capacitor. : de en
  • ES142313A1 - Perfections introduced in alternative machines for sawing marble, granite, porphyry, slates and other similar materials. : en es
  • ES142332A3 - Improvements in the methods for the elimination of lead or cadmium from zinc-bearing materials. : en es
  • ES142345A1 - A device adaptable to the neck of all kinds of bottles and bottles or to the outlet or dump of containers and containers of liquids to make them non-refillable. : en es
  • GB451833A - Improvements in the combustion chambers of internal combustion engines with ignition by compression : en
  • US2050650A - Refrigerating apparatus : en
  • US2050953A - Shock absorber : en
  • FR46741E - Method and device for regulating the speed of combustion engines : en fr
  • FR801663A - Process for the artificial reproduction of flowering tree branches and new product obtained : en fr
  • US2050568A - Animated display device : en
  • USD100827S - Design for a clock : en
  • ES142129A1 - A COMBINED HEATING AND VENTILATION SYSTEM. : en es
  • AT146768B - Ion or electron tube. : de en
  • USRE20060E - Method of and apparatus for : en
  • GB451991A - Improvements in and relating to the drying of yarn : en
  • ES142295A1 - Improvements introduced in the construction of metal cabins with security lock, applicable to all kinds of public offices and private offices, especially for banks. : en es
  • FR801642A - Improved molding process, equipment for its implementation, products and works obtained : en fr
  • GB451881A - Improvements in or relating to solvent refining of mineral oil : en
  • DK52009C - Electric Discharge Pipe. : da en
  • US2050682A - Brake actuating mechanism : en
  • US2050639A - Process for the breaking and resolving of emulsions of oil and water : en
  • CA359823A - Splice : en fr
  • ES142280A1 - CONNECTION OF FOREIGN REGULATION, ESPECIALLY FOR MODULATION. : en es
  • ES142306A1 - A process for the production of easily disintegrable tablets in water. : en es
  • AT146752B - Adjustable carburetor for all types of liquid fuels, especially heavy oils. : de en
  • CA359687A - Fly guard : en fr
  • CH185758A - Circuit arrangement with an electromagnet. : de en
  • DE633962C - Reversal, especially for marine diesel engines : de en
  • ES142111A1 - A process for the manufacture of photomechanics of plates for gravure printing. : en es
  • FR801714A - Heavy-duty sulphating machine : en fr
  • GB451917A - Improvements in rotary valve internal combustion or other engines or pumps : en
  • ES141664A1 - An electric motor for very small speeds and automatically adjustable. : en es
  • FR46745E - Metal cap for liquid tanks : en fr
  • CA359735A - Catalytic reaction method : en fr
  • US2050506A - Balancing device for well pumps : en
  • US2050532A - Range cover : en
  • US2050994A - Refrigerative system : en
  • US2050876A - Refrigerating machine : en
  • AT146701B - Process for the production of a remedy suitable for combating tuberculosis and other symptoms from a suspension of spirochetes in physiological saline solution. : de en
  • AT146702B - Bogie for rail vehicles. : de en
  • DE634067C - Process for automatic electrical flash-off welding : de en
  • CH185618A - Sound insulating mat for building purposes. : de en
  • US2050368A - Spray nozzle : en
  • US2050841A - Bottle holder : en
  • USD100821S - Design for a glove : en
  • GB452015A - Improvements in or relating to excavators : en
  • CH185798A - Receiving antenna. : de en
  • GB451730A - Improved process of deacidifying oils and fats : en
  • GB451900A - A process of producing yarns from long staple artificial silk fibres : en
  • US2050311A - Support : en
  • US2050649A - Machine for pickling, swilling, and scrubbing metal plates : en
  • USD100822S - Design fob a glove : en
  • CH185847A - Ball with tip in tempered and tempered steel provided with helical grooves. : en fr
  • CH185856A - Device for registering and playing back telephone messages and dictations. : de en
  • DK51990C - Percussion burner. : da en
  • US2050718A - Gyratory crusher : en
  • US2050781A - Internal combustion engine : en
  • US2050882A - Automatic circuit breaker system : en
  • CH185643A - Table with built-in bar. : de en
  • US2050444A - Method of producing isopropyl alcohol : en
  • US2050651A - Pin-and-slot driving mechanism : en
  • US2050699A - Miter box : en
  • FR801614A - Fan particularly applicable to vehicles : en fr
  • AT146775B - Receiving arrangement for carrier current systems with activation of the carrier current by the signal currents modulating it. : de en
  • US2050389A - Stop motion for multiple thread feeding apparatus : en
  • US2050433A - Necktie clasp : en
  • NL38727C - Apparatus for copying films and for perforating the positive film : en nl
  • CH185802A - Circuit for rectifying modulated high-frequency oscillations. : de en
  • CA359717A - Electrical regulator : en fr
  • CA359825A - Brake : en fr
  • US2050590A - Drain pipe appliance : en
  • CA359698A - Shoe polishing kit : en fr
  • CA359695A - Compress for the skin : en fr
  • CH185672A - Process for the production of dodecylaminoacetic acid. : de en
  • CA359819A - House car : en fr
  • FR801648A - Device for the transmission of graphics : en fr
  • GB451677A - Improvements in bearing instruments for use at sea : en
  • US2050745A - Combined perforating and printing mechanisms : en
  • US2050562A - Automatic safety valve : en
  • US2050856A - Carrier scraper : en
  • US2050289A - Wall washing bailer : en
  • CH185722A - Blowing and heating lamp. : de en
  • US2050527A - Animal chute : en
  • CH185619A - Interlocking tiles. : de en
  • CH185642A - Small furniture. : de en
  • AT146722B - Control flap for secondary air inlets. : de en
  • CA359732A - Cigarette making machine : en fr
  • CA359796A - Fruit drier : en fr
  • CH185651A - Fabric holder. : de en
  • US2050719A - Automatic time controlled tuning mechanism for radio receivers : en
  • US2050298A - Metal reducing method : en
  • US2050480A - Sound head for moving picture projectors : en
  • US2050770A - Lamp control for vehicles : en
  • NL38828C - METHOD OF MAKING ARTIFICIAL SPONGE FROM FOAM : en nl
  • US2050903A - Airplane drive : en
  • US2050345A - Process of refining petroleum oils : en
  • US2050710A - Wrapping machine : en
  • ES142287A1 - Improvements in wastewater treatment. : en es
  • GB451777A - Cartridge for separately storing and mixing dosed quantities of components of dental amalgams or other tooth stoppings : en
  • CH185700A - Ski binding. : de en
  • AU2573335A - Improvements in automatic switches for use in telephone or like systems : en
  • ES142217A1 - A medium frequency superheterodyne receiver assembly. : en es
  • CA359758A - Dispensing apparatus : en fr
  • US2050275A - Oiling device for journals : en
  • US2050316A - Cutter register control : en
  • US2050534A - Manifold transfer device : en
  • US2050738A - Card holder : en
  • USD100784S - Design for a shoe or similar article : en
  • AU2415235A - Improved method of forming roads, foundations andthe like : en
  • CH185790A - Vending machine. : de en
  • ES142365A1 - PERFECTIONS IN THE CONSTRUCTION OF OVENS FOR COOKING. : en es
  • CH185805A - Alarm system. : de en
  • FR801667A - Liquid for rapidly revealing alterations to articles such as documents, and method of examining same using this liquid : en fr
  • CA359843A - Motor mounting : en fr
  • ES142338A1 - A new procedure for the manufacture of endless cords, for transmission of force and movement, called "pianos". : en es
  • GB451633A - Improvements in or relating to electrical wave filters : en
  • US2050498A - Cross-word puzzle : en
  • US2051007A - Revolving door : en
  • GB451705A - Improvements in lead strips for use in imitation leaded lights and other decorative purposes : en
  • CA359837A - Pipe coupling : en fr
  • CH185706A - Sensor measuring device with dial gauge and sensor measuring device for displaying the radius of cylindrical workpieces to be machined during the machining process to be carried out on them. : de en
  • AT146788B - Double or multi-walled electrical discharge tube with spring support between the inner and outer tube. : de en
  • CH185737A - Small crane. : de en
  • GB451901A - Hydraulic shock absorber, applicable in particular to the suspension of vehicles : en
  • GB451643A - Improvements in paint mixing and grinding machines : en
  • ES4891U - Dosing faucet. (Machine-translation by Google Translate, not legally binding) : en es
  • CA359810A - Cement manufacture : en fr
  • CH185742A - Fuel injection device for internal combustion engines. : de en
  • CA359739A - Copper refining furnace : en fr
  • US2050239A - Temporary protective coating : en
  • US2050431A - Washing machine : en
  • US2050481A - Length adjusting means for plungers and the like : en
  • US2050705A - Electric snap switch of the toggle type : en
  • CH185746A - Fuel injection pump for internal combustion engines. : de en
  • US2050731A - Means of adjusting the width of walking cultivators : en
  • US2051003A - Refractory material and method of making same : en
  • ES4907U - Device for the coupling of laminar elements of flexible material. (Machine-translation by Google Translate, not legally binding) : en es
  • DE634053C - Ignition device for internal combustion engines : de en
  • DE633911C - Device for automatic monitoring and limitation of the pressure in the tires of vehicles with pneumatic tires : de en
  • US2050383A - Electric discharge device : en
  • GB451850A - Device for determining the existence or the direction of a magnetic field : en
  • CH185667A - Process for the production of chlorine nitrogen. : de en
  • AT146794B - Twist drill. : de en
  • CH185806A - Apparatus for the presentation of pictures, advertisements and the like affixed to boards with automatic board change. : de en
  • DK51995C - Damper for regulating the draft in the chimneys, flues and similar pipes. : da en
  • ES142378A1 - A new procedure for the manufacture of footwear. : en es
  • US2050243A - Strand handling apparatus : en
  • US2050997A - Method of making a dry rosin size composition : en
  • DE633918C - Optical sound film device : de en
  • US2050725A - Roll parallelism gauge : en
  • FR801604A - Blood pressure monitor : en fr
  • GB451878A - Improved apparatus for receiving oil drained from the sumps of engines of motor road vehicles : en
  • FR801741A - Combine-cleaner : en fr
  • CH185633A - Adjusting device in particular on a window or a door. : de en
  • US2050545A - Wire bound book : en
  • US2050967A - Combined closure and handle for bag : en
  • ES142351A1 - Individual electric drive for vertical axis bodies that rotate with great speed, especially for spinning boats artificial silk, twisting spindles and the like. : en es
  • GB451704A - Improvements in or relating to portable machines for treating floors and articles laid thereon : en
  • GB451816A - Improvements in and relating to milling, boring, reaming and like rotary tools : en
  • ES142219A1 - Procedure for dyeing cellulosic textiles. : en es
  • GB451921A - Improvements in traffic control systems : en
  • US2050964A - Fruit and vegetable washer : en
  • US2050426A - Clutch : en
  • DE633839C - Fine tuning : de en
  • FR801638A - Further training in tools intended for lining cables with lead : en fr
  • AT146733B - Elastic braid and process for its manufacture. : de en
  • AU2378535A - Improvements relating to package structures : en
  • CA359710A - Organic compound purification : en fr
  • US2050683A - Brake actuating mechanism : en
  • US2050372A - Valve controlling device : en
  • US2050979A - Method of halogenating compounds containing an abietyl group and product thereof : en
  • US2050404A - Signaling system and apparatus : en
  • USD100820S - Design fob a coat : en
  • US2050910A - Clutch : en
  • US2050853A - murphy : en
  • US2050257A - Concrete form : en
  • ES142346A3 - A mechanism for clamping the cutting blades on razors. : en es
  • FR801637A - Apparatus for emulsifying a gas in a liquid : en fr
  • ES142382A1 - A protection device against gases. : en es
  • ES142370A3 - Procedure for obtaining fatty substances derived from olive and pomace oils. : en es
  • US2050940A - Fuse plug : en
  • USD100787S - Design for a sample display stand : en
  • ES142301A1 - A sealing device with sealing flap for boxes and similar receptacles. : en es
  • GB451718A - Improvements in and relating to variable-speed driving mechanism : en
  • US2050838A - Radio tube shield : en
  • US2050949A - Cattle stanchion : en
  • ES142209A1 - Improvements in the manufacture of highly resistant alloys. : en es
  • DE633958C - Inductively heated device : de en
  • FR46748E - Symmetrical cathode ray deflection device, especially for television : en fr
  • ES142275A1 - A machine for the manufacture of fishmeal. : en es
  • GB451719A - Improvements in heating devices for vehicles : en
  • US2050915A - Combination sludge digestion and gas storage tank : en
  • FR801657A - Process for obtaining binocular, anaglyphic and polychrome vision of non-raised polychrome reproductions of raised originals : en fr
  • DE633899C - Procedures for confidentiality of messages : de en
  • ES142246A1 - A method of manufacturing elastic threads. : en es
  • DE633940C - Press and cover for rackets (tennis rackets) : de en
  • ES4908U - Improved appliance for roasting meats and other meats. (Machine-translation by Google Translate, not legally binding) : en es
  • ES142297A1 - DEVICE-BREAKER FOR ITS APPLICATION IN EMBRYOTOMIES. : en es
  • ES142355A3 - Improvements in the preparation of textile fibers for spinning. : en es
  • GB451650A - Device for discharging condensate of vapours : en
  • GB451762A - Improvements in or relating to a shock proof removable container wagon : en
  • GB451793A - A device for the marking of any pattern on a smooth rubber tyre to render same non-skidding : en
  • GB451929A - Improvements in method of and material for treating boiler feed water : en
  • GB451671A - Improvements in or relating to galvanic batteries : en
  • GB452144A - Method of producing persilicates of increased stability with high content of hydrogen peroxide or active oxygen : en
  • DE633882C - Method and test arrangement for measuring the stresses occurring in a test specimen made of concrete during setting : de en
  • FR801729A - Process for conserving green fodder : en fr
  • GB451782A - Improvements in or relating to the treatment of sheet materials for the production of artifical chamois : en
  • GB452112A - Dustfilter against poisonous dusts : en
  • US2050716A - Wrapping and banding machine : en
  • US2050286A - Method of making synthetic straw : en
  • USD100771S - Design for an instrument case : en
  • USD100833S - Design for a radio cabinet : en
  • US2050743A - Crusher : en
  • US2050381A - Air conditioning apparatus for automobiles : en
  • DE634061C - Safety device for conveyor systems where two vehicles are driving on one lane : de en
  • GB451757A - Improvements in and relating to means for imparting drag in spinning, twisting or like machines : en
  • GB451823A - Improved corrosion resistant alloys : en
  • GB451831A - Improvements in and relating to photographic collapsible cameras and shutters therefor : en
  • DE633937C - Hinge for automatic closing of doors, windows, etc. like : de en
  • ES142360A1 - Improvements in automatic photographic devices. : en es
  • GB451904A - Method of electro-plating aluminium with metal : en
  • DE634018C - Slicing machine with rollers or the like provided at a distance from one another in the product holder. : de en
  • US2050515A - Merchandise display attachment for gasoline dispensers : en
  • US2050821A - Elevating industrial truck : en
  • ES142339A1 - A safety provision to avoid accidents on running trains. : en es
  • AT146750B - Pressure reducing valve for extracting gases from high pressure containers. : de en
  • CA359842A - Fuel gasifying process : en fr
  • DE633884C - Photographic roll film camera with photoelectric light meter : de en
  • US2050514A - Process for generating combustible gas : en
  • US2050965A - Remote indicating thermometer : en
  • CH185754A - Elastic drive device in connection with auxiliary machines on motor vehicles and aircraft. : de en
  • AT146790B - Drum liquid meter. : de en
  • DE633960C - Device for measuring vertical vibrations : de en
  • FR46729E - Standard metal shelving doors : en fr
  • FR801742A - Improvements made to devices such as power outlets : en fr
  • US2050925A - Process for breaking petroleum emulsions : en
  • US2050488A - Plow : en
  • GB451856A - Improvements in die casting machines : en
  • GB451922A - Improvements in and relating to ships' hatches : en
  • US2050264A - Edge-burnishing machine : en
  • US2050616A - Clothes hanging supporting device : en
  • US2050909A - Device for secure ice cream containers in shells : en
  • ES141987A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF FURNITURE WITH ELASTIC SUPPORTS. : en es
  • ES4883U - Device to prevent theft and loss of fountain pens: (Machine-translation by Google Translate, not legally binding) : en es
  • DE634088C - Single-edged blade with a strong back for a safety razor : de en
  • ES142285A1 - Apparatus for ornamental lighting. : en es
  • ES142335A1 - Lock mechanism for file cabinets and metal files of drawers. : en es
  • ES142252A1 - Procedure for making paper straws for matches. : en es
  • GB451605A - Improvements relating to carbon duplicating books, pads or the like : en
  • FR801687A - Electro-pneumatic control for single-phase or polyphase power switches : en fr
  • USD100775S - Design fob a doll or baby carriage : en
  • USD100797S - Design for a nail file : en
  • FR46712E - Insulation fault indicator for overhead lines : en fr
  • FR46738E - Turnstile with bolts for round eyelets : en fr
  • US2050263A - Method of treating rosin and rosin product : en
  • CH185657A - Rubber elastic strap on items of clothing. : de en
  • USD100772S - Design fob a bottle : en
  • CH185627A - Water evaporator with means for automatic regulation of the humidity. : de en
  • ES142328A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 140538. : en es
  • GB451999A - Device for varying the length of stitches in flat hosiery machines : en
  • DE633890C - Friction gear change transmission : de en
  • CA359831A - Cushion shoe : en fr
  • CH185693A - Timpani. : de en
  • CA359816A - Tire building drum : en fr
  • US2050668A - Liquid heat motor : en
  • US2050988A - Rotary earth boring tool with rolling cutters : en
  • US2050834A - Frequency selective transmission network : en
  • US2050407A - Syringe : en
  • USD100830S - Design for a glove : en
  • CA359754A - Propeller control mechanism : en fr
  • CH185838A - Process for the production of a new azo dye. : de en
  • DE633979C - Luffing crane with horizontal load path : de en
  • AT146739B - Backpack carrier. : de en
  • AT146797B - Comparative half-element for a concentration chain of the second kind. : de en
  • AU2148935A - Improved process of and means for treating and packing butter : en
  • US2050399A - Safety razor : en
  • US2050924A - Process for breaking petroleum emulsions : en
  • CH185739A - System for compressing gaseous media. : de en
  • CH185725A - Method and apparatus for pressing metal bars from cast blocks. : de en
  • AT146730B - Process for the production of compressed yeast. : de en
  • CH185632A - Hold-open device on window sashes. : de en
  • AT146726B - Burner nozzle for oil firing. : de en
  • AT146762B - Gas-filled electric incandescent lamp with multiple filament and fuse. : de en
  • ES142234A1 - A chair with rollers mounted on ball bearings or rollers on the line of axles of the ships. : en es
  • GB451651A - Improvements in and relating to money boxes : en
  • GB451734A - Improvements in fire extinguishers : en
  • US2050849A - Automatic talking machine : en
  • US2050999A - Method of making separable fasteners : en
  • US2050494A - Motion picture projector for sound motion pictures : en
  • US2050833A - Foldable desk and cabinet unit : en
  • AT146756B - Method and device for the automatic control of the power of aircraft engines. : de en
  • CA359774A - Bias cutting and wind-up apparatus : en fr
  • CA359764A - Thiazyl derivative : en fr
  • CH185762A - An ion rectifier tube containing an activated hot cathode with a gas filling consisting of krypton, xenon or a mixture of both. : de en
  • ES142369A3 - A procedure to obtain your own material for joinery, flooring and decoration in general. : en es
  • FR801601A - Training in railway sleepers : en fr
  • DE633951C - Switch fitting for gas-heated wall-mounted liquid heater : de en
  • AT146728B - Oil burner. : de en
  • CH185688A - Cinematographic recording device with light meter. : de en
  • CH185777A - Method and device for cleaning and disinfecting the air as well as for generating any desired humidity content. : de en
  • US2050609A - Wall construction : en
  • US2050508A - Gas filter : en
  • AT146755B - Two-stroke internal combustion engine with oscillating pistons. : de en
  • CH185771A - Device for cleaning and storing dentures. : de en
  • CH185623A - Hot water heating system. : de en
  • DE634055C - Process for the production of an enamel-like lacquered paper : de en
  • US2050574A - Compounds of an n-hydroxypropyl arsanilic acid : en
  • DE634083C - Circumferential gripper for sewing machines : de en
  • DE633930C - Starting device : de en
  • DK51985C - Procedure for the operation of internal combustion engines. : da en
  • DK51992C - Procedure for Permanent Waving of Hair and Apparatus for Performing the Procedure. : da en
  • US2050492A - Beach chair : en
  • DK51998C - Universal tool, especially for use in burial sites and in gardens. : da en
  • FR801662A - Tangential action combustion or explosion turbine : en fr
  • ES4476U - Improvement in garment making (Machine-translation by Google Translate, not legally binding) : en es
  • GB451859A - Improvements in or relating to the production of anthrimide carbazole dyestuffs : en
  • IE13786L - Safety razor : en
  • IE14066L - Ticket issuing machines : en
  • ES141131A3 - Method and device for incorporating other fluid or powder bodies into a stream of fluid under pressure. : en es
  • ES142178A3 - Braking device for laminators called "pilgrim's pace". : en es
  • ES142385A2 - IMPROVEMENTS IN THE INDUSTRIAL PROCEDURE FOR THE MANUFACTURE OF CONCENTRATED SUPERPHOSPHATES AND PHOSPHORIC ACID. : en es
  • GB451709A - Improvements in and relating to light transmitting means for lamps and lights : en
  • CA359684A - Silicate processing : en fr
  • CA359771A - Heat exchanger : en fr
  • GB451857A - Improvements in or relating to electrolytic condensers : en
  • GB451931A - Improvements in paper folding machines : en
  • US2050390A - Vapor electric converter : en
  • US2050555A - Radio receiver tuning control mechanism : en
  • CA359821A - Tire sealing composition : en fr
  • CH185646A - Device for metered dispensing of paste-like soap. : de en
  • CH185840A - Process for the preparation of an azo dye. : de en
  • GB451783A - A method of and apparatus for producing rugs, door-mats and like floor coverings : en
  • GB451789A - A new or improved device for securing handles to the heads of brooms or the like : en
  • US2050500A - Exercising hobbyhorse : en
  • CH185731A - Device for the production of regular labels. : de en
  • ES142325A1 - Improvements in the indicator devices for airplanes. : en es
  • FR46711E - Electric transmission, in particular for traction units : en fr
  • GB452004A - Improvements in and relating to methods and apparatus for measuring and reproducing bodies of all kinds by photographic surveying : en
  • US2050972A - Valve operating mechanism : en
  • US2050305A - Process of heat treating steel : en
  • AU2565735A - Improvements in or relating to microphones : en
  • CA359797A - Fruit drier : en fr
  • DE633896C - Process for the production of curable condensation products from phenols, hexamethylenetetramine, urea and formaldehyde : de en
  • GB451680A - Improvements in display stands and other adjustably supported devices : en
  • AT146746B - Method and device for the production of envelopes, bags and similar workpieces from shaped cuts or sheets which have adhesive coatings arranged on both sides and on opposite edges. : de en
  • CH185695A - Device for turning the pages of music notebooks. : en fr
  • US2050594A - Tool holder and post : en
  • US2050680A - Wave signal receiving system : en
  • DE634047C - Process for the removal and recovery of carbon monoxide from gases containing it : de en
  • DE633954C - Wide dyeing machine with fabric return (jigger) : de en
  • DE633894C - Device for removing the filter cake from rotary cell drum filters : de en
  • DE634007C - Pliers-shaped hairdressing iron for pulling (loosening) the hair : de en
  • CH185727A - Threading device for bar turning machine. : en fr
  • CH185781A - Cash register. : de en
  • DE634059C - Ring spinning and twisting machine : de en
  • ES142340A3 - A procedure for the filtration of dust, fumes and mists harmful to health, to make the contaminated atmospheric air breathable in industry and in military operations. : en es
  • US2050535A - Stocking with elastic areas : en
  • US2050862A - Receptacle : en
  • US2050709A - Portable drill : en
  • US2050529A - Ignition tester for automotive engines : en
  • US2050785A - Means for perforating paper sheets and the like simultaneously with the printing thereof : en
  • US2050708A - Method for the production of sulphur by means of reduction of sulphur dioxide : en
  • US2050456A - Sealing machine : en
  • DE633142C - Automatic starting device : de en
  • GB451891A - Improvements in and relating to lubricating and adhesive compositions : en
  • US2050732A - Process for storing motor fuels : en
  • DE633987C - Electrically heated large chamber furnace made of silicon carbide bricks : de en
  • ES142235A1 - A method and apparatus for de-nicotinizing tobacco. : en es
  • FR46730E - Process for transferring liquid fuel gases : en fr
  • FR801690A - Magnetron tube for the excitation of electromagnetic oscillations at ultra high frequency : en fr
  • GB451778A - Improvements in or relating to traffic control signals : en
  • GB451812A - Improvements in and relating to packing rings for containers subjected to high pressure : en
  • GB452408A - Manufacture of cyanine dyes and of sensitised photographic emulsions : en
  • CH185678A - Process for the production of top lubricating oil. : de en
  • CH185810A - Conveyor system. : de en
  • US2050457A - Sealing machine : en
  • FR801706A - School voting booth : en fr
  • FR46736E - Device to increase cycle development : en fr
  • GB451907A - Machine for testing the balance of rotary bodies : en
  • GB451985A - Improvements in processes for electrolysing aqueous solutions and apparatus therefor : en
  • GB452001A - Loop-taker and bobbin-case devices for sewing machines : en
  • FR46708E - Device applicable to typewriters to enable copies to be obtained by means of auxiliary ink ribbons : en fr
  • ES142350A1 - Connection device to establish branches in the gas or water pipes, especially suitable for small thickness pipes. : en es
  • GB451815A - Process for producing dyeings and printings on cellulose esters and ethers : en
  • GB451893A - Improved means for measuring out pre-determined quantities of liquid from glass bottles and the like : en
  • FR46732E - Improvements in the construction of dyeing and washing machines in stainless steel : en fr
  • FR46734E - Vibration process and machine for manufacturing agglomerates of concrete and other materials : en fr
  • GB451946A - Improvements relating to loom heald frames : en
  • CH185681A - Process for electroplating aluminum. : de en
  • US2050692A - Ammunition : en
  • GB451876A - Improvements in or relating to translating devices for translating electrical variations into light variations : en
  • US2050430A - Valve : en
  • US2050678A - Slug ejector for coin operated machines : en
  • US2050912A - Antenna coupling device : en
  • US2050278A - Antiskid chain : en
  • US2050583A - Sulphurized aliphatic halogen compounds and process of making same : en
  • US2050968A - Conduit construction : en
  • ES142126A1 - APPARATUS FOR FORMING, CALANDRATING AND SATINATING ALL KINDS OF HOLLOW OBJECTS MOLDED FROM PAPER PULP. : en es
  • CA359756A - Shoe manufacture : en fr
  • GB451899A - Improvements in the treatment of base exchange bodies : en
  • AU2380435A - Hand flamethrower : en
  • GB451661A - Improvements in circuit arrangements for vacuum tubes : en
  • US2050405A - Gas and liquid storage device : en
  • CA359803A - Skating rink floor : en fr
  • DE633714C - Method and device for cooking pulp-containing fiber material : de en
  • ES141211A1 - Improvements introduced in the manufacture of artificial stone. : en es
  • GB451819A - Improvement in windshield cleaner : en
  • ES4896U - Set of plates for economic kitchen and similar stoves. (Machine-translation by Google Translate, not legally binding) : en es
  • US2050570A - Aircraft : en
  • FR801727A - Discharge tubes : en fr
  • CH185628A - Device to prevent scale build-up in water heating systems. : de en
  • GB451920A - Improvements in and relating to regulator mechanism for ventilating windows : en
  • DE633823C - Cashier to deposit hard money : de en
  • AT146767B - Gas-filled electric light bulb. : de en
  • AT146799B - Display and registration device on inclination or spring scales. : de en
  • CH185855A - Device for registering and playing back telephone messages and dictations. : de en
  • CA359780A - Container or can body : en fr
  • GB451746A - Manufacture of carboxylic acids or derivatives thereof containing the pyridine nucleus : en
  • GB451984A - Improvements in or relating to moving coil loudspeakers : en
  • FR46726E - Improvements in television and telecine devices : en fr
  • GB451838A - Improvements in or relating to the production of metal elbows : en
  • GB451983A - Improvements in and relating to electrical condensers : en
  • FR801619A - Respiratory System Improvements : en fr
  • US2050274A - Endless track structure : en
  • US2050806A - Loader for refuse vehicles : en
  • ES142185A1 - A connection system to transmit high frequency oscillations. : en es
  • FR801622A - Improvements to electrical impulse control mechanisms : en fr
  • GB451974A - Improvements in thermionic oscillators : en
  • FR801621A - Improvements to electromagnetic relays : en fr
  • GB451870A - Improvements in electromagnetic vibratory devices for safety razors : en
  • CH185654A - Method for introducing running, wide webs of fabric into the bath liquid by means of a liquid stream and device for carrying out the method. : de en
  • CH185852A - Starting device for internal combustion engines. : de en
  • DK51996C - Fuse device for electric AC systems. : da en
  • US2050664A - Fabric edging : en
  • US2050867A - Seal for electric discharge devices : en
  • CH185648A - Apparatus to facilitate the decanting, respectively pouring, of easily cloudy liquids. : en it
  • US2050976A - Apparatus for testing textile fabrics : en
  • CH185726A - Device applied to a machine tool and intended to facilitate the work of the worker serving it. : en fr
  • CA359701A - Ironing machine : en fr
  • CH185807A - Horseshoe. : de en
  • CA359749A - Rail anchor : en fr
  • CA359688A - Carbonizing plant : en fr
  • CH185665A - Process for the production of dry preparations from aqueous luxury foods which are used to prepare beverages. : de en
  • US2050438A - Electric guide lamp : en
  • US2050429A - Light mixing apparatus : en
  • US2050792A - Lespedeza thresher : en
  • US2050846A - Folding table : en
  • CH185630A - Bucket. : de en
  • AU2390835A - Means for tightening a wire mattress : en
  • AU2377935A - Improvements in electric incandescent lamps : en
  • CH185666A - Method and machine for forming a continuous rod of tobacco. : en fr
  • CH185759A - Indirectly heated cathode for electrical discharge tubes and process for producing this cathode. : de en
  • CH185789A - Pack for stacked items. : de en
  • NL38797C - Method for improving the softness and smoothness of leather : en nl
  • US2050658A - Studio couch : en
  • US2050840A - Foldable table : en
  • CA359794A - Film magazine : en fr
  • US2050916A - Fiber spoke gear : en
  • US2050901A - Keyway broach and pilot : en
  • CA359733A - Wooden cask manufacture : en fr
  • CH185670A - Process for the preparation of 4'-oxyphenyl-3-aminopyrene. : de en
  • FR46719E - Appliance for heating irons : en fr
  • GB451616A - Improvements in or relating to oxygen jet cutting machines : en
  • DE633968C - Film pack housing : de en
  • US2050588A - Manufacture of anti-halation or filter layers : en
  • USD100755S - Design for an automobile : en
  • AT146725B - Liquid fuel firing. : de en
  • US2050366A - Composition of matter containing synthetic resins : en
  • US2050401A - Current collecting device : en
  • US2050270A - Display package : en
  • CH185747A - Apparatus for setting and controlling the ignition devices of explosion engines. : de en
  • CA359700A - Gravity bomb : en fr
  • AT146774B - Circuit arrangement to prevent the transmitter and receiver from influencing each other during reverse carrier flow traffic, in particular with a single carrier wave. : de en
  • NL38707C - : en
  • US2050798A - Art of waterproofing building cellar foundation walls : en
  • US2051015A - Dairy thermometer : en
  • GB451939A - Process for the manufacture of purified germinal gland hormone preparations : en
  • CH185713A - Thomas calculating machine. : de en
  • CH185729A - Machine tool. : en fr
  • DE633977C - Switching arrangement of a circuit breaker with one or more associated disconnectors : de en
  • ES142276A1 - Improvements in the construction of loom, astrakhan and similar looms. : en es
  • CA359765A - Vulcanization accelerator : en fr
  • AT146784B - Glare-free automotive light. : de en
  • US2050254A - Humidity regulated drier : en
  • CH185809A - Tube. : de en
  • CH185841A - Process for the preparation of an azo dye. : de en
  • CA359840A - Amphibian aeroplane : en fr
  • NL38765C - : en
  • CH185772A - Orthopedic aid for sagging, flat and similarly deformed or endangered feet. : de en
  • FR801749A - Improvements made to discharge tubes : en fr
  • CA359704A - Container closing machine : en fr
  • US2050751A - Boot or shoe : en
  • US2050295A - Sanding, polishing, and finishing machine : en
  • US2050363A - Synchronizing system : en
  • US2051005A - Process of producing n-substitution products of 1, 4-diaminoanthraquinones : en
  • US2050291A - Radio receiving system : en
  • AT146780B - Telecommunication system voters. : de en
  • CA359693A - Electric motor support for spinning wheels : en fr
  • CA359726A - Laminated glass production : en fr
  • ES142216A1 - A machine for electrolytic engraving. : en es
  • ES142279A2 - A PROCEDURE FOR OBTAINING CINEMATOGRAPHY IN NATURAL COLORS USING CURRENT PANCHROMATIC FILMS AS NEGATIVE AND THAT ARE POSITIVE BY IDENTICAL PROCEDURE THAT IS USED FOR THE BLACK AND WHITE CURRENT. : en es
  • USD100763S - Design fob a shoe : en
  • ES142265A1 - PROCEDURE FOR PRECIPITATING ALuMIN FROM CALCIUM ALUMINATE SOLUTIONS. : en es
  • FR801656A - Improvements in methods and apparatus for directing sound : en fr
  • ES141752A1 - Improvements in antenna systems for radio transmission. : en es
  • GB451955A - Improvements in or relating to atmospheric gas burners : en
  • ES142014A1 - Improvements in the presses for the manufacture of hydraulic tiles. : en es
  • GB452016A - Improvements in variable and adjustable electric condensers : en
  • ES142207A3 - Improvements in the calcination of blenders. : en es
  • GB451649A - Improvements in and relating to throttling devices for pipes conveying liquids : en
  • GB451794A - Improvements in the manufacture and production of valuable heterocyclic compounds : en
  • DE634060C - Device for loading pigs onto carts : de en
  • GB451814A - Improvements relating to friction clutches : en
  • DE634081C - A screw made of synthetic resin-bonded fiber for lapping spur gears : de en
  • DK51999C - Combined Bicycle Lock, Bicycle Support and Pump Holder. : da en
  • GB451720A - Improvements in or relating to apparatus for producing permanent waves in hair : en
  • FR801626A - Television set : en fr
  • FR801639A - Improvements to fluid pressure indicating devices with remote transmission : en fr
  • DK51981C - Coupling with associated discharge tube for amplification and frequency transformation of electrical oscillations. : da en
  • US2050452A - Piston : en
  • DE633902C - Mercury fuse : de en
  • GB451607A - Continuous thickness gauging means : en
  • FR801610A - Anti-fog device for breathing apparatus : en fr
  • US2050914A - Game board : en
  • GB451749A - Improvements in or relating to methods of drying glue and the glue product resulting therefrom : en
  • NL38681C - : en
  • ES141480A3 - A procedure and apparatus for producing or neutralizing gases, mists, or the like. : en es
  • GB451961A - Apparatus and process for the simultaneous hardening and straightening of railway and tramway rails : en
  • ES142229A1 - Improvements introduced in the manufacture of armchairs for clinics. : en es
  • US2050326A - Method of welding : en
  • US2050428A - Insulating wax : en
  • US2050754A - Cork retainer for vacuum bottles and the like : en
  • GB451835A - Improvements in nozzles for vacuum cleaners : en
  • GB451801A - Improvements in or relating to charge forming devices for internal combustion engines : en
  • DE633935C - Lock with key pin that can be closed from both sides of the door : de en
  • ES142319A1 - Improvements in antenna arrangements. : en es
  • DE634039C - Blade made of sheet metal for steam or gas turbines : de en
  • ES142331A3 - One-piece rubber or rubber glove manufacturing process. : en es
  • DE634036C - Process for the production of colored condensation products of oxalylurea : de en
  • GB451774A - Improvements in condensation of metallic vapours : en
  • GB451928A - Improvements in and relating to the exhaust passages of two-stroke internal combustion engines : en
  • GB451980A - Improvements in or relating to television receivers : en
  • GB451966A - Improvements in, or relating to scanning apparatus; for television or like systems : en
  • GB451886A - Improvements relating to the launching and beaching of aircraft : en
  • DE602622C - Test device for commando apparatus and training device for anti-aircraft shooting : de en
  • ES4884U - Radiation heating device (Machine-translation by Google Translate, not legally binding) : en es
  • GB451619A - Improvements in type casting and type setting machines : en
  • DE634046C - Network knotting machine : de en
  • DE634009C - Hangers for curtain pulling devices : de en
  • GB451872A - Improvements in or relating to the manufacture of stratified bodies such as safety glass : en
  • AT146738B - Device for head printing of capsules or the like. : de en
  • US2050387A - Method of making stable invar : en
  • US2050375A - Casting copper and copper alloys : en
  • US2051016A - Beam and the like for building construction : en
  • CA359768A - Metal electro-deposition : en fr
  • CA359788A - Power take-off control : en fr
  • DE633983C - Process for the preparation of amino alcohols of quaternary aromatic-aliphatic ammonium bases : de en
  • US2050284A - Circuit interrupter : en
  • US2050496A - Apparatus for automatically regulating the feed control on feeding and filling devices : en
  • US2050572A - Means for servicing covered vehicle springs : en
  • US2050698A - Electric switch : en
  • FR801696A - Improvements to chimney vacuum cleaners : en fr
  • US2050491A - Method of preparing sodium glutamate : en
  • US2050309A - Game apparatus : en
  • US2050777A - Office printing sheet : en
  • US2050796A - Recovery of phosphorus : en
  • GB451659A - Improvements in or relating to apparatus for controlling the transmission of light to sensitised photographic elements : en
  • FR46717E - New anthraquinone dyes : en fr
  • FR801652A - Continuous gear change for temporary changes in transmission ratio : en fr
  • ES141463A1 - An improved procedure for the manufacture of the tube called bergman, and splicing sleeves, with or without flange. : en es
  • US2050981A - Fender guide : en
  • US2050448A - Valve : en
  • US2050517A - Powder insufflator : en
  • USD100756S - Design fob a bathtub : en
  • CA359677A - Hydrocarbon processing method and apparatus : en fr
  • US2050832A - Machine for making reticulated wire structures : en
  • ES142324A1 - An electric discharge lamp. : en es
  • US2050437A - Volume control circuit : en
  • US2050493A - Compositions of matter containing ammonia and potassium nitrate, their preparation and use : en
  • US2050602A - Primary marking mechanism support : en
  • ES142293A1 - A new tension mesh construction system. : en es
  • ES142344A3 - Improvement in the drive of the cylinders or pulleys of the film developing machines. : en es
  • ES142259A1 - Heating plates by electrical resistance. : en es
  • GB451644A - Device for coupling and uncoupling toy vehicles running on rails : en
  • GB452142A - Manufacture of azo-dyestuffs on animal fibres : en
  • US2050247A - Laminated insulating block and method of fabricating the same : en
  • US2050285A - Circuit interrupter : en
  • GB451606A - Device for use in the attachment of rubber heels to footwear : en
  • GB451990A - Improvements in spring sockets for electric plug couplings : en
  • CA359784A - Engine fuel injection pump : en fr
  • CH185639A - Device for separating fuel and ash. : de en
  • CH185687A - Cinematographic projection apparatus. : de en
  • US2050400A - Method for recovery of heat and chemicals from waste products : en
  • US2050652A - Stirrups for floor exercise : en
  • GB451652A - Improvements in and relating to oars : en
  • GB451739A - Apparatus for impregnating timber : en
  • GB451902A - Detachable spout or lip for saucepans : en
  • GB451707A - Improvements in or relating to floor-polishing appliances : en
  • DE633934C - Cylinder lock with split pin tumblers for a key with adjustable bolts : de en
  • FR801650A - Electro-magnetic device imparting a rectilinear back-and-forth movement to any member : en fr
  • GB451711A - Improvements in and relating to metal rods, tubes, discs and the like having wire or strip connections : en
  • GB451887A - Improvements in and relating to leaf springs : en
  • US2050645A - Tool for packing material against the inner wall of a tubular member : en
  • US2050962A - Sinker and method for plating and reverse plating : en
  • US2050681A - Brake : en
  • USD100786S - Design for an electric fixture : en
  • ES142028A1 - Procedure for the manufacture of introduction tubes made of soft rubber for analogous applications. : en es
  • ES142223A1 - Procedure for the secret transmission of news. : en es
  • US2050902A - Brake mechanism : en
  • US2050376A - Washing machine for the exterior of bottles, particularly siphons : en
  • US2050598A - Short wave detector system : en
  • US2050769A - Directional signal for automobiles : en
  • DE634008C - Powder compact : de en
  • US2050817A - Thrust bearing : en
  • ES4886U - Rubber sponge seats and mattresses. (Machine-translation by Google Translate, not legally binding) : en es
  • FR801674A - Method for regulating the power of internal combustion engines : en fr
  • USD100802S - Design fob an automobile heater : en
  • GB451906A - Assembling device for scaffolding elements and other applications : en
  • USD100799S - Design for embroidered : en
  • ES141827A1 - Procedure for the manufacture of heels for footwear. : en es
  • DE633941C - Ski binding : de en
  • DE633915C - Holder for permanent magnets of electricity meters : de en
  • AT146712B - Saddle for motorcycles or the like. : de en
  • CH185820A - Multi-seat bike. : de en
  • CH185653A - Method and device for guiding textile goods, in particular fabrics in wide form, by means of moving, rod-shaped carriers when the goods are wet. : de en
  • US2050353A - Vegetable hydrator : en
  • US2050802A - Method of conditioning barium sulphide and making sodium and zinc sulphides therewith : en
  • US2050931A - Preliminary procedure for conditioning wells : en
  • CH185717A - Device for suppressing the disturbing light reflex that occurs when looking through glass panes of shop windows, showcases, windows etc. : de en
  • CH185854A - Process for the preparation of a mixture of isomeric octahydrofollicle hormone diacetates. : de en
  • FR801682A - coin purse and support tray for this case : en fr
  • GB451758A - Improvements in or relating to high frequency electrical oscillatory apparatus : en
  • US2050983A - Locomotive stoker : en
  • AT146721B - Radiator. : de en
  • US2050479A - Contact bank : en
  • US2050835A - Awning : en
  • US2050327A - Aircraft wing : en
  • ES4885U - Radiation heating device (Machine-translation by Google Translate, not legally binding) : en es
  • GB451747A - Improvements in or relating to coke ovens : en
  • GB451995A - Improvements in or relating to tank stabilising installations for ships : en
  • FR801731A - Method and device for obtaining castings of precious metal or other substances which are hot molded : en fr
  • GB451738A - Improvements in or relating to the manufacture of adaptors for connecting pipe lines : en
  • GB452113A - Improvements in or relating to cardboard and like boxes : en
  • CA359799A - Cotton fabric : en fr
  • US2050816A - Process for treating hydrocarbon oils : en
  • US2050335A - Crystal inserter : en
  • DE633870C - Process for the heat treatment of stable austenitic alloys of iron with nickel or with nickel and chromium : de en
  • US2050803A - Dephosphorizing treatment of metal in a converter : en
  • US2050986A - Cracking of hydrocarbon oils : en
  • US2050554A - Golf club shaft : en
  • DE633936C - Key for insert locks : de en
  • US2050847A - Process of treating hydrocarbon oils : en
  • US2050536A - Compressor : en
  • US2050864A - Electric circuit breaker : en
  • DE633993C - Drive device for small devices, such as windshield wipers in motor vehicles : de en
  • ES142261A1 - A winding machine for winding conical bobbins, crossed directly from skeins with conical and cylindrical winding, obtaining at the same time the paraffining of the yarn. : en es
  • GB451632A - Improvements relating to adjustable seat : en
  • GB451740A - Improvements in the manufacture of greaseproof paper : en
  • ES142314A1 - A machine for the consolidation, repair, harmonization and decoration of marbles, stones, granite and similar materials, by special procedure. : en es
  • CA359703A - Building construction : en fr
  • US2050760A - Orchard heater : en
  • US2050737A - Light translating apparatus : en
  • US2051010A - Method for the manufacture of cemented pile fabrics : en
  • US2050947A - Hay baler : en
  • US2050595A - Method of preparing rubber-like compositions : en
  • US2050461A - Barrel : en
  • AU36436A - Improvement ina coke oven door : en
  • US2050567A - Carburetor : en
  • GB451699A - Process of colour photography : en
  • GB451743A - Improvements in or relating to light projectors, particularly motor vehicle head-lamps : en
  • GB451915A - Improvements in or relating to edging rolls for strip rolling mills : en
  • CH185615A - Method and device for processing bituminous masses BEZW. Bitumen-filler mixtures, especially those with a high melting point, for protective coatings on buildings and the like by spraying. : de en
  • FR801719A - Improvements to sealing gaskets : en fr
  • DE633863C - Spindle nut bearings on parts of machine tools and similar precision machines that are moved by threaded spindles : de en
  • DE634043C - Process for bleaching and de-acidifying oils and fats containing fatty acid : de en
  • US2050690A - Vehicle fluid actuated jack : en
  • FR801644A - Servo-controlled hydro-mechanical control especially intended for agricultural machinery : en fr
  • CA359679A - Air compressing apparatus : en fr
  • ES4900U - Hermetic closing device to prevent the filling of bottles and containers of all kinds. (Machine-translation by Google Translate, not legally binding) : en es
  • FR801701A - Method and device for applying an adhesive material to fabrics and the like : en fr
  • ES141594A1 - Non-inertial converter with storage effect, specially designed for the transmission of news. : en es
  • ES141676A3 - Procedure to obtain stabilized oil from hydrocarbons. : en es
  • GB451934A - Prevention of coal dust explosions in coal mines : en
  • GB451641A - Methods of making abrasive wheels : en
  • US2050356A - Process of milking : en
  • US2050402A - Ball and method of making the same : en
  • US2050520A - Change speed transmission : en
  • CA359721A - Rotative wing aircraft : en fr
  • CA359822A - Wheelbarrow : en fr
  • CH185830A - Process for the preparation of a 3-aminoquinoline. : de en
  • US2050811A - Primary disazo compounds : en
  • SE87098C1 - Procedure for the preparation of Na-sulphite pulp : en sv
  • US2050502A - Ironing machine : en
  • US2050540A - Ophthalmic lens : en
  • DE633908C - Automatic, electrically controlled compressed air accumulator with a shut-off valve arranged in the extraction line and controlled as a function of the water level in the accumulator : de en
  • AU2387935A - Improvements in trailer caravan hoods and fittings for adjusting same : en
  • CH185751A - Constant pressure gas turbine system. : de en
  • CA359711A - Record receiving device : en fr
  • US2050255A - Concrete sign : en
  • US2050302A - adding : en
  • US2050370A - High molecular products containing sulphur in combination : en
  • US2050793A - Attachment for gasoline tanks : en
  • US2050322A - Window guard : en
  • US2050724A - Reflector aiming device : en
  • FR46727E - Ribbing for knitted underwear : en fr
  • US2050954A - Deal indicator for card games : en
  • AU2525335A - Improved apparatus for distilling liquids bythe use ofthe heat ofthe sun : en
  • CH185685A - Type lever bearing segment for type lever typewriters. : de en
  • US2050455A - Sealing machine : en
  • US2050818A - Wrapping machine : en
  • US2050843A - Modified vinyl resin and process of making it : en
  • US2050898A - Electrical insulator : en
  • US2051012A - Permeability tuning means : en
  • US2050957A - Eyeglasses and the like : en
  • GB451678A - Improvements in the detection of the presence of combustible gases in the atmosphere : en
  • US2050694A - Road guard : en
  • CH185780A - Waves crest. : de en
  • CH185796A - Selector device with a multiple brush selector with mechanical adjustment of the brush sets in their effective position. : de en
  • CH185689A - Lens shutter with photoelectric light meter. : de en
  • FR801641A - Vending machine mainly intended for lottery tickets : en fr
  • GB451622A - Improvements in or relating to the production of fabrics coated with waterproof compositions of or containing rubber : en
  • US2050631A - Axial threshing and strawreducing machine : en
  • US2050746A - Machine tool : en
  • US2050315A - Photoelectric paper cutting control : en
  • CA359815A - Plastic masticating mechanism : en fr
  • CA359680A - Sheet material corrugating method : en fr
  • FR801743A - Safety razor combined with a sharpening or ironing device : en fr
  • GB451873A - Improvements relating to bobbins for yarns, threads, wire and the like : en
  • DE634070C - Device for manufacturing rubber hoses with reinforcement inserts : de en
  • CA359785A - Ornamental shingle : en fr
  • AT146714B - Adjustable brake linkage for rail vehicles. : de en
  • US2050929A - Process for breaking petroleum emulsions : en
  • AT146776B - Electrical connection cord. : de en
  • DE634004C - The outlet opening of the melting pot of a casting machine for stereotype plates is controlled by a conical valve plug : de en
  • ES141593A1 - A press composed of one or more endless chains intended for the extraction of vegetable oils and other fruit juices. : en es
  • US2050825A - Work cycle timer : en
  • CA359725A - Glass grooving process : en fr
  • US2050881A - Lag plate for watt-hour meters : en
  • US2050396A - Insole and the manufacture thereof : en
  • ES141122A1 - A procedure to inspect fluids. : en es
  • GB451721A - Improvements in fasteners : en
  • DE633947C - Arrangement for the detection of oscillations in electrical networks : de en
  • US2050854A - Explosionproof switch box : en
  • FR801661A - Process for the preparation of skins using fungous tryptases : en fr
  • US2050282A - Attachment for road graders : en
  • US2050926A - Process for breaking petroleum emulsions : en
  • US2050575A - Sound reproducing cabinet : en
  • US2050879A - Thermal release device : en
  • US2050621A - Safety device for pressing machines : en
  • US2050961A - Screw : en
  • DK51991C - Electron tubes, so-called Exponential tubes. : da en
  • US2050761A - Quarrying : en
  • CA359755A - Shoe pressing machine : en fr
  • CH185612A - Device for tilting the upper window in forcing beds. : de en
  • USD100789S - Design fob a hair brush : en
  • DE633920C - Process for the manufacture of ceramic products : de en
  • CH185635A - Device for ejecting and loading retort and chamber furnaces. : de en
  • CH185622A - Process for the production of a bituminous mixture. : de en
  • US2050913A - Azo-dyestuffs and process of making same : en
  • US2050952A - Portable saw : en
  • USD100753S - Design foe a piano accordion : en
  • USD100832S - Design fob a radio cabinet : en
  • CA359770A - Shingle roof : en fr
  • CH185764A - Rectifier system. : de en
  • CH185769A - Electric high pressure metal vapor discharge lamp with a magnetic field influencing the discharge arc. : de en
  • AU2373335A - Color printing or dyeing of sheepskins or the like : en
  • ES142218A1 - Procedure for obtaining hyposulfite by electrolysis. : en es
  • US2050728A - Pipe joint and fitting and method for making the joints : en
  • US2050763A - Copying attachment for typewriters : en
  • DE615969C - Connection of the swing axles carrying the wheels to the frame, especially for motor vehicles : de en
  • FR801640A - Improvements to bicycle saddles and the like : en fr
  • GB451935A - Improvements relating to domestic boilers, stoves and the like : en
  • CA359702A - Aluminium coating method : en fr
  • US2050966A - Water softener : en
  • US2050990A - Ralph w : en
  • US2050287A - Process of producing lower aliphatic acid anhydrides : en
  • US2050544A - Orifice meter fitting : en
  • CH185658A - Pants bumpers, in particular for cyclists. : de en
  • CA359777A - Storage battery vent plug : en fr
  • ES142272A1 - A fishing tackle by the towing procedure. : en es
  • FR46731E - Non-magnetic steel articles having high strength, draw limit, elongation and hardness : en fr
  • GB451979A - Improvements in or relating to the recovery of precious metals from ores or preciousmetal bearing deposits : en
  • DE634057C - Closure device for motor vehicle hoods : de en
  • US2050277A - Circuit breaker : en
  • US2050711A - Cigar machine : en
  • AU2366535A - Apparatus for the manufacture of felted bats of vegetable fibres : en
  • CA359713A - Insulating bushing : en fr
  • CH185677A - Lubricating compound capable of preventing corrosion of metal surfaces. : en fr
  • US2050946A - Knitting machine : en
  • US2050528A - Salad oil and method of making same : en
  • USD100818S - Design fob a combined fan blades : en
  • US2050269A - Apparatus for hospital beds : en
  • NL38780C - : en
  • US2050348A - Method and apparatus for making a heel : en
  • DE633895C - Process for the extraction of phenols from waste water : de en
  • ES142125A2 - NEW IMPROVEMENT IN THE DEVICE FOR DRIVING THE LOOM SHUTTLE. : en es
  • ES142237A2 - PROCEDURE FOR OBTAINING DIAZONIC SALTS. : en es
  • US2050943A - Colter guard : en
  • USD100770S - Design for a powder ladle or : en
  • US2050736A - Hydraulic brake cylinder : en
  • US2050466A - Brake control mechanism : en
  • US2050813A - Control apparatus : en
  • CH185617A - Structure with T-shaped profile. : de en
  • AT146704B - Path-dependent delay device for dead man's braking. : de en
  • FR46750E - Remote registration device : en fr
  • FR801625A - Armored and highly transparent sight, intended in particular for military technology : en fr
  • USD100834S - Design for a radio cabinet : en
  • US2050386A - Glassworking apparatus : en
  • AU2528535A - An improved adjustable two-temperature refrigerator : en
  • USD100792S - Design fob a carving tong : en
  • US2050875A - Sole trimmer : en
  • ES142298A3 - A new closure system for containers. : en es
  • GB451903A - Improvements in or relating to sheet separating devices for sheet feeding machines : en
  • DE633919C - Tapping machine with curved tool shank for the production of nuts : de en
  • FR46703E - Production of condensation products from 2,3-hydroxynaphthoic acid and anthranilic acid amide or its substitutes : en fr
  • DE633774C - Direction finders, especially for aircraft : de en
  • USD100767S - Design fob a shoe ob similar : en
  • CA359715A - Electric translating circuit : en fr
  • CH185736A - Regulating valve for central heating radiators, in particular hot water heating. : de en
  • ES142359A3 - A manufacturing process for septic tanks, settling pits, biological filters, and other similar devices. : en es
  • SE87086C1 - : sv
  • US2050497A - Self-aligning drive shaft : en
  • US2050585A - Automatic fruit-pressing device : en
  • US2050764A - Electrically operated fan : en
  • US2050893A - Flower stand : en
  • CH185663A - Process for the production of milk products containing vitamins in long-life distribution. : de en
  • US2050485A - Casement window adjuster : en
  • US2050320A - Screw driver : en
  • US2050638A - Display device : en
  • US2050669A - Machine for interlacing leaves of paper in sets : en
  • USD100835S - Design for a radio cabinet : en
  • ES4904U - Twisted or "bigoudº" for the hair. (Machine-translation by Google Translate, not legally binding) : en es
  • US2050359A - Electric snap switch : en
  • USD100783S - Design for a combination electric : en
  • ES142161A1 - A continuous diffusion device for the extraction of sugar from beet. : en es
  • US2050560A - Can agitator : en
  • US2050742A - Regulator and recording regulator : en
  • US2050495A - Coupler : en
  • US2050814A - Crate : en
  • US2050548A - Log skidding pan : en
  • GB451725A - Light stabilization of vinyl polymers : en
  • AT146763B - Rectifier circuit. : de en
  • CA359753A - Brake mechanism : en fr
  • US2050445A - Manufacture of ethyl alcohol : en
  • AT146749B - Ring valve with links cut out of the valve plate concentrically to the center. : de en
  • USD100785S - Design for a combination washing : en
  • US2050861A - Tear-gas billy : en
  • US2050464A - Automobile tag locking device : en
  • DE633945C - Compressed gas switch : de en
  • DE634048C - Device for vacuum cleaners for perfuming or disinfecting or for a similar treatment of the air : de en
  • GB451700A - Improvements in and relating to tread strips for the running boards or bodies of vehicles : en
  • GB452011A - Improvements in and relating to shop lighting units, floodlighting units, or the like : en
  • GB451944A - Improvements relating to the treatment of bundles of artificial fibres : en
  • US2050726A - Head lamp construction : en
  • CH185728A - Turret head arranged on the tailstock of a lathe. : de en
  • US2050780A - Automatic mechanism for frame embroidery machines : en
  • US2050842A - Stoker mechanism : en
  • US2050969A - Fatty substances soluble in concentrated alkaline baths : en
  • CA359729A - Moistureproofing composition : en fr
  • US2050604A - Central buffing and draft gear : en
  • US2050815A - Purification of phenylphenols : en
  • US2050268A - Wrapping machine : en
  • US2050648A - Filler for grease guns : en
  • DE633972C - Spool mandrel with spring-loaded clamping sleeve for holding spool sleeves : de en
  • ES142383A3 - A process for making standard or special stationary alloy sticks for welding. : en es
  • GB451662A - Improvements in thermionic vacuum tubes : en
  • US2050250A - High voltage testing device : en
  • CA359751A - Zirconium silicate production : en fr
  • CH185624A - Device for hot water preparation in central heating systems. : de en
  • USRE20062E - Locomotive tender : en
  • US2050561A - Table : en
  • US2050776A - Section car : en
  • US2050888A - Oil filled high voltage cable : en
  • US2050355A - Pickling of metal : en
  • CH185656A - Iron. : de en
  • US2050741A - Wheel starter : en
  • CH185818A - Device for heating windows and windscreens of cars, airplanes, trams, locomotives, etc. : de en
  • DE633932C - Water-cooled pull rod for stone breakers : de en
  • CH185783A - Cash register operated by keys. : de en
  • CA359763A - Compressing and indenting apparatus : en fr
  • AT146771B - Telephone system for several subscriber stations on a common line. : de en
  • AU2411635A - Improvements in and relating to multispeed operation of lifts using A. C. slip ring motors : en
  • CH185649A - Process for spinning viscose. : de en
  • CH185735A - Plain bearings for grease lubrication. : de en
  • FR801739A - Cast iron boiler device for automatic fireplaces : en fr
  • DE633996C - Process for the production of particularly reactive thoroxide : de en
  • DE633757C - Process for the operation of intermittently working absorption refrigeration devices : de en
  • AT146716B - Process for the production of thin sheets from soft metals. : de en
  • CH185698A - Ski binding. : de en
  • FR801703A - Improvement in evacuation devices for motor gases in automatic gas firearms : en fr
  • DE633986C - Hand lock for consequential dependencies : de en
  • FR46718E - Cushion for medical belt : en fr
  • AT146766B - Arrangement to eliminate the influence of temperature on negative resistors. : de en
  • CH185827A - Rotary wing for helicopters and gyroscopes. : de en
  • CA359678A - Metal bonded box or case : en fr
  • CA359806A - Cement manufacture : en fr
  • USD100817S - Design fob a glove : en
  • FR46733E - Improvements to the walls of heating devices : en fr
  • DE633944C - Electric chain thread monitor : de en
  • CH185694A - Reed plate for harmonicas and other bellows instruments. : de en
  • CH185701A - Clamping device on ski bindings. : de en
  • NL38751C - ROENTGEN APPLIANCE CONTAINING A TRANSFORMER, CONSTRUCTED WITH A ROENTGEN TUBE, OF WHICH PORTION IS METAL OR PROTECTED AGAINST CHARGING : en nl
  • US2050612A - Pressing machine-turret type : en
  • US2050703A - Transmission system regulation : en
  • US2050863A - Motor driven system : en
  • CH185638A - Floor cleaning device. : de en
  • AT146781B - Plug connection. : de en
  • US2050801A - Golf club : en
  • US2050837A - Artificial teeth : en
  • US2050896A - Molded case : en
  • CH185710A - High voltage current transformer. : de en
  • DE633817C - Electric switch : de en
  • DE633964C - Device for checking the regular periodic sequence of electrical processes, in particular the ignition of internal combustion engines : de en
  • FR801740A - Box : en fr
  • CH185824A - Signal box monitored by axle counting devices. : de en
  • US2050411A - Receiving apparatus for television : en
  • CH185641A - Furniture with adjustable legs. : de en
  • ES142124A1 - A new system for manufacturing luminous and magnetic tools. : en es
  • GB451989A - Improvements in thermionic electrodes : en
  • FR801747A - Large flow variation burner : en fr
  • CA359692A - Hydrocycle : en fr
  • CH185792A - Telecommunication system. : en it
  • AT146703B - Light pointer designed as a handheld device, especially for image projection. : de en
  • GB451837A - Butter softener for cold weather : en
  • GB451947A - Improvements in or relating to cushions and the like upholstery : en
  • US2050384A - Brake shoe key : en
  • US2050558A - Stable hormone dry preparations in a solid condition and a process of preparing them : en
  • US2050573A - Mail box or road sign support : en
  • US2050642A - Railway car truck : en
  • USD100782S - H kibbe : en
  • US2050361A - Carpet sweeper : en
  • USRE20064E - Means fob setting and locking the : en
  • ES142120A1 - A new process for the development of films, applicable to developing machines equipped with various containers and cuvettes. : en es
  • ES142341A1 - New excavator machine : en es
  • ES142337A3 - A procedure for the coupling and joining of metal pipes. : en es
  • GB452151A - Improvements in, or relating to, electrical switches of the springtoggle type : en
  • ES142320A1 - A procedure to achieve improvements in the production and recovery of light hydrocarbons. : en es
  • GB451958A - Improvements in and apparatus for the manufacture and production of gaseous unsaturated hydrocarbons : en
  • FR801679A - Automotive hub puller : en fr
  • FR801704A - Rolling plant for grading the stone : en fr
  • DE634052C - Electric cigar and cigarette lighter : de en
  • US2051014A - Washing machine : en
  • ES141972A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT. : en es
  • ES142308A1 - A process for manufacturing fluorescent screens. : en es
  • CA359778A - Container : en fr
  • CA359736A - Engine starter control : en fr
  • CH185708A - Arrangement for determining the sign or the direction of the onset of an oscillation or an aperiodic process with the aid of a given reference value. : de en
  • FR801659A - Automatic shutter for percolators and similar devices : en fr
  • GB451933A - Improvements in or relating to apparatus for removing material from collapsible storage tubes : en
  • ES142186A1 - A machine to turn and pitch spikes, normal or inclined, with a tool for sharpening tools. : en es
  • US2050563A - Looper : en
  • FR46735E - Sophisticated receiving device with steep operating threshold : en fr
  • FR801744A - Device for controlling the movement of elements arranged radially around an axis and more especially of the arms of scutching mills : en fr
  • GB452125A - Improvements in and relating to cathode ray tubes : en
  • FR801726A - Cooking stove : en fr
  • ES142372A1 - A process for manufacturing elastic rubber mixtures. : en es
  • FR801654A - Improvements to electronic discharge devices : en fr
  • US2050262A - Process of manufacturing paper and paper board : en
  • US2050344A - Differential : en
  • US2050450A - Trap : en
  • US2050871A - Flashless powder charge : en
  • GB451624A - Improvements in or relating to road vehicles for the combined road and rail transport of material : en
  • FR801734A - Combined heating and ventilation system for vehicles : en fr
  • GB452019A - Improvements in and connected with centrifugal pumps, fans and blowers : en
  • FR801686A - Method of metal construction of mine galleries, tunnels, shafts and others : en fr
  • GB451669A - Improvements in or relating to the production of coated fabrics : en
  • GB451889A - Improvements in or relating to continuously-variable variable-speed gearing : en
  • US2050442A - Manufacture of ethyl alcohol : en
  • US2050887A - Thrust bearing : en
  • DE633910C - Motor vehicle with flywheel masses which can be changed in their moment of inertia : de en
  • DE634049C - Handle for vacuum cleaner with a holding device for the coiled cable : de en
  • DE634085C - Device for shredding wood : de en
  • ES142206A1 - New external inner bolt. : en es
  • FR801725A - Toy cart : en fr
  • GB452114A - Improvements relating to apparatus for the operation of bulkhead doors, sluice gates, valves or the like : en
  • US2050640A - Process for breaking emulsions of oil and water : en
  • DE634006C - Knitting machine, in particular circular knitting machine, for knitting folding threads : de en
  • CH185637A - Cooking stove device in kitchens to enable space saving and in particular the use of the kitchen space for various living and other purposes. : de en
  • ES142199A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF IT. : en es
  • DE634044C - Backflow protection for gas-heated liquid heaters : de en
  • FR801671A - Improvements to brake devices for railway vehicles and similar vehicles : en fr
  • GB452006A - A process of dyeing : en
  • GB452007A - Manufacture of sulphur dyestuffs : en
  • DE633688C - Control for single-motor gripper winches : de en
  • GB451965A - Improvements in or relating to dental and surgical trays or like supports : en
  • US2050676A - Damper for stamps, envelopes, and the like : en
  • FR46720E - Improvements made to jet breakers : en fr
  • US2050556A - Paper doll : en
  • USD100751S - Design fob a smoker s stand : en
  • DE633921C - Process to increase the shelf life of calcium cyanamide grains : de en
  • US2050749A - Pulp grinder temperature control system : en
  • DE633925C - Machine for pulling thread loops into base fabric : de en
  • USRE20063E - Machine and method for forming ex : en
  • US2050917A - Spectacle case holder : en
  • DE633950C - Inductive regulating resistor, especially for arc welding using alternating current : de en
  • GB451750A - Improvements in and relating to vehicle windows : en
  • DK51987C - Method and Machine for Making Wrapping Material. : da en
  • US2050667A - Chair : en
  • FR801709A - Manufacturing process of indirect cathodes with helically wound filaments : en fr
  • GB451727A - Improvements in fireguards : en
  • CA359828A - Piston ring : en fr
  • GB451869A - An improved iodine locket : en
  • GB451630A - Process of making dialkylaminoalcohols : en
  • US2050636A - Service device : en
  • US2050253A - Jewelry ring and method of producing same : en
  • US2050324A - Cabin chute : en
  • US2050435A - Automobile bumper : en
  • US2050844A - Method of refining vegetable oils : en
  • AT146759B - Light metal pistons for internal combustion engines. : de en
  • FR801718A - Process for impregnating fibrous sheet materials with the aid of fluid rubber-based mixtures and apparatus suitable for carrying out this process : en fr
  • US2050471A - Semitrailer : en
  • US2050977A - Machine for treating fabric : en
  • ES142342A1 - Procedure to obtain an impression of relief or perspective in the projection of cartoons. : en es
  • USD100777S - Design fob a wall cabinet : en
  • ES142239A1 - An improved process for the manufacture of coloring matters. : en es
  • GB451723A - Stabilization of vinyl resins and compositions produced thereby : en
  • GB451977A - Improvements in weighing scales : en
  • DE633994C - Process for the production of dry yeast : de en
  • CH185647A - Lever for bottle and other closures. : de en
  • US2051006A - marcus : en
  • US2050410A - Athletic garment : en
  • DE633988C - Process for the aftertreatment of liquid fractions resulting from the rectification of lubricating oils : de en
  • FR801699A - Process of refrigeration, ventilation and automatic aeration of premises by connection to a pressurized water pipe : en fr
  • GB451732A - Improvements in or relating to cigarette cases : en
  • AT146724B - Circuit arrangement for low frequency amplifiers. : de en
  • DK51989C - Hull or Body with low Air Resistance for Vehicles, especially Streamlined Automobiles. : da en
  • GB452117A - New or improved apparatus for testing high tension electrical systems : en
  • AT146754B - Exhaust arrangement on multi-cylinder radial engines. : de en
  • CH185626A - Water evaporation device for radiators etc. : de en
  • US2050242A - Viscosimeter : en
  • US2050714A - Wrapping and banding machine : en
  • DE634045C - Process for the production of goods in the form of a warp knitting machine : de en
  • DE634069C - Protective device against falling out of the wall hatch of an outside storage tank : de en
  • CA359827A - Piston ring : en fr
  • USD100806S - Design fob a scale casing : en
  • ES142267A1 - A process for the reduction of the grain and its subsequent conversion into bread or similar product. : en es
  • FR46707E - Book cover : en fr
  • FR801738A - Improvements relating to measuring devices and liquid dispensers : en fr
  • AT146791B - Automatic multiple drilling machine with vertical drilling spindles arranged side by side. : de en
  • DE634027C - Adjustable wave filter with constant absolute bandwidth : de en
  • DK52002C - Pipe spring. : da en
  • GB451737A - Improvements in acceleration pumps for carburetters for internal combustion engines : en
  • US2050756A - Dispenser : en
  • US2050906A - Device for handling and airing mattresses or like bulky articles : en
  • GB451882A - Improvements relating to axle-boxes for vehicles : en
  • DE634072C - A steam turbine system consisting of a bleed turbine and an upstream turbine : de en
  • US2050414A - Pitching machine : en
  • US2050704A - Process of producing n-substitution products of 1, 4-diaminoanthraquinones : en
  • GB451868A - Illuminated sign : en
  • US2050537A - Garment hanger : en
  • US2050614A - Time-cycle controller : en
  • CA359709A - Air drying composition : en fr
  • ES142260A1 - IMPROVEMENTS IN THE ELECTRICAL AND REFRIGERANT COMPOSITIONS. : en es
  • ES4890U - A sole or base of tarpaulins of automobile covers, assembled with dissolution and virgin rubber. Etc. (Machine-translation by Google Translate, not legally binding) : en es
  • GB451716A - Improvements in electric protective devices : en
  • CH185800A - Interference suppression device. : de en
  • US2050512A - Method of and apparatus for making folded metal sections : en
  • US2050809A - Collapsible tube : en
  • US2050486A - Apparatus for testing the smoothness of paper : en
  • US2050877A - Artificial bait : en
  • USD100826S - Hood garment : en
  • GB451629A - Improvements in and relating to ships' hatches : en
  • GB451948A - Improvements in or relating to the manufacture of veldtschoen or like shoes : en
  • GB451609A - Improvements in the manufacture and production of hydrogen cyanide : en
  • ES142220A1 - Procedure for obtaining hyposulfite. : en es
  • ES141460A1 - COUPLING TRANSFORMER. : en es
  • FR801643A - Gas protection mask : en fr
  • FR801708A - Vehicle wheels : en fr
  • US2050308A - Sample and advertising file : en
  • US2050795A - Decalcomania paper and transfer : en
  • ES141382A1 - A PAINTING AND PROJECTION DEVICE. : en es
  • GB451949A - Improvements in couplings for scaffolding members : en
  • GB451954A - Improvements in remote control and/or indicating systems : en
  • DE633881C - Method and device for measuring the rate of descent and / or rate of rise or the like of bodies moving in gas spaces : de en
  • GB451639A - Improvements in axle arrangements, more particularly for power driven vehicles : en
  • GB451686A - Improvements in and relating to containers and methods of making the same : en
  • GB452023A - Improvements relating to systems for the electrical transmission of signals : en
  • GB451735A - Improvements in and relating to the manufacture of driers : en
  • GB451802A - Improvements in, or relating to, drawing-tables : en
  • ES142227A1 - Procedure for the purification of metallic magnesium or its alloys. : en es
  • GB451625A - Process for the manufacture of sound-and-heat-insulating covering sheets or slabs, particularly for flooring : en
  • ES141826A1 - Apparatus for curling the hair. : en es
  • US2050524A - Vending machine : en
  • GB451871A - Improvements in or relating to couplings for trailer vehicles : en
  • GB451952A - Improvements in air-tight tins or like containers : en
  • GB451679A - Improvements in circular knitting machines : en
  • FR801613A - Improvements in the manufacture of artificial materials : en fr
  • GB451863A - Improvements in traffic control systems : en
  • NL38763C - : en
  • ES142264A1 - A method of manufacturing doll heads of laminated cardboard, die-cut, with side cuts. : en es
  • FR46721E - Radiator with removable elements : en fr
  • US2050701A - Centrifugal fan : en
  • US2050730A - Drill sharpener : en
  • ES142274A1 - A press to make blocks of fishmeal. : en es
  • NL38725C - : en
  • CA359820A - Dry masonry : en fr
  • FR46747E - Dish drainer enhancements : en fr
  • FR801675A - Adjustable system for transforming a continuous rotational movement into an intermittent movement and its applications : en fr
  • GB451986A - Improvements in and relating to fuel feeding systems : en
  • ES142162A1 - Procedure to improve the qualities of natural cork. : en es
  • ES142243A1 - A process for manufacturing fruit juice jellies, which due to their composition can not be coagulated, with the addition of various gelatinising bodies, after certain manipulations. : en es
  • GB451722A - Change-speed gearings for chain-driven vehicles : en
  • GB451772A - Improvements in or relating to wireless apparatus : en
  • GB452210A - An improved centrifugal governor for regulating the phase relation of driving and driven elements : en
  • AT146793B - Device for monitoring gases for their solid constituent content, in particular smoke development during combustion processes. : de en
  • AU636A - Improvements relating to apparatus for trapping dust in connection with bore holes : en
  • US2050633A - Constant temperature device : en
  • US2050654A - Apparatus for kneading of margarin and other edible fatty substances : en
  • GB451810A - An improved machine for separating gold and other heavy concentrates from finely divided ore or matrix : en
  • GB451943A - A method of, and means for, effecting hermetic sealing of containers : en
  • GB451970A - Manufacture of dyestuffs : en
  • US2050248A - Strip material for container closures : en
  • USD100793S - Design for a handbag ob similar : en
  • US2050921A - Manufacture of colored lacquers and coating compositions : en
  • ES142317A1 - Improvements in the devices for the antenna input of radio reception facilities. : en es
  • GB452203A - New anthraquinone dyestuffs : en
  • US2050889A - Glare-dimming attachment for windshields : en
  • ES142347A1 - Device to prevent the fraudulent filling of bottles and similar containers. : en es
  • DE633886C - Double stroke shaft machine : de en
  • ES142106A3 - Manufacturing process of colors and printing inks. : en es
  • DE633959C - Process for the production of radioactive chocolate : de en
  • CA359686A - Folding chair : en fr
  • CH185839A - Process for the production of a new azo dye. : de en
  • GB452115A - Improvements in or relating to toilet powders : en
  • CH185644A - Extending table. : de en
  • US2050723A - Splash feed : en
  • US2050894A - Folded blank box : en
  • USD100801S - Design for a doll or similar : en
  • GB451994A - Improvements in and relating to sealing devices for rotary shafts : en
  • FR801624A - Combined vision-speech receiver : en fr
  • USD100776S - Design fob a clock : en
  • DK52007C - Procedure for Surface Treatment of Asbestos-Cement Products. : da en
  • GB451760A - Improvements in or relating to processes for the regeneration of used lubricating oils : en
  • GB451855A - Improvements relating to means for removing condensation from windowscreens of motor vehicles : en
  • GB451623A - Improvements in and relating to printing plate clamping means for rotary printing presses : en
  • GB452002A - Improvements in apparatus for the treatment in a magnetic field of articles having a central perforation : en
  • DE633885C - Safety shoe sole and heel made of elastic material, e.g. B. rubber : de en
  • AT146798B - Single jet impeller liquid meter. : de en
  • ES142305A3 - Improvements introduced in the construction of shooting targets. : en es
  • GB451998A - Improvements in articles of apparel and method of making same : en
  • AT146740B - Teaching material in the form of a building toy. : de en
  • US2050276A - Position finding system : en
  • US2050347A - General utility machine tool : en
  • US2050420A - Adjustable automobile seat : en
  • US2051000A - Siren equipped roller skate : en
  • CH185741A - Device on internal combustion engines for further processing of pre-gasified fuel and for mixing the fuel with the necessary air. : de en
  • CH185743A - Breakers for ignition devices. : de en
  • US2050397A - Electrical discharge device : en
  • CH185787A - Drawer equipment. : de en
  • US2050279A - Control mechanism : en
  • US2050525A - Ophthalmic mounting : en
  • US2050684A - Gas and liquid storage device : en
  • US2050782A - Method of making bearing bushings : en
  • US2050857A - Locomotive : en
  • US2050421A - Reverse gear valve : en
  • US2050507A - Device for supporting shade and drapery poles : en
  • CH185676A - Fragrance mixture. : de en
  • CA359734A - Desuperheater : en fr
  • AU2373635A - Means for automatically opening and closing a gap ina fence forthe passage ofa motorcar orthe like : en
  • CH185629A - Process for the production of a bituminous building material. : de en
  • CH185668A - Process for the preparation of a glyoxal semiacetal. : de en
  • AT146705B - Process for the production of pure clay. : de en
  • AT146737B - Multi-band spinner. : de en
  • CH185679A - Non-flammable, plastic mass. : de en
  • CA359744A - Glass tempering apparatus : en fr
  • CA359792A - Fluid actuated brake compressor : en fr
  • US2050354A - Pickling of metal : en
  • US2050412A - Telecinematographic emitter : en
  • US2050318A - Beam hanger : en
  • US2050587A - Electrolytic condenser : en
  • US2050845A - Crawler tread mechanism : en
  • US2050956A - Photo copy machine : en
  • AU2374535A - Improved method of and means for jointing tubular members : en
  • CA359759A - Machine for driving tubes into heels : en fr
  • US2050945A - Frame for motor vehicles : en
  • CA359835A - Storage battery : en fr
  • US2050273A - Mixing valve : en
  • DK52006C - Method of Making Concentrated Casein. : da en
  • GB451612A - Improvements in brake drums for automobiles : en
  • CH185835A - Process for the production of a new azo dye. : de en
  • US2051018A - Speed ratio indicating device : en
  • CA359681A - Skinning cutter : en fr
  • CA359706A - Container opening key : en fr
  • AU2374335A - Exhaust silencer or muffle for motor vehicles : en
  • US2050307A - Vending machine : en
  • US2050679A - Radio receiver : en
  • US2050715A - Banding and wrapping machine : en
  • US2050734A - Field tiller : en
  • DE633469C - Method and device for incinerating garbage : de en
  • GB451914A - Improvements in drains for gulleys, gutters and the like : en
  • US2050283A - Propeller driving mechanism : en
  • US2050778A - Ball and socket adjustable mold jacket : en
  • US2050451A - Cooling of motor car engines : en
  • US2050478A - Electrolytic bath for depositing chromium : en
  • US2050673A - Transmission mechanism : en
  • US2050398A - Process for purification of potable and polluted waters : en
  • US2050773A - Attachment for electric fans : en
  • AT146773B - Multiple carrier frequency transmission system with echo cancellers. : de en
  • CA359724A - Rubber surface colouring method : en fr
  • CH185785A - Cash register. : de en
  • CH185845A - Process for the preparation of an azo dye. : de en
  • CH185815A - Motor vehicle which can be used for amusement purposes. : en fr
  • AT146734B - Loom with mutual, arbitrary change of shuttle and automatic bobbin or shuttle replacement. : de en
  • CH185691A - Ink eraser. : de en
  • GB451880A - Improvements in or relating to the preparation of material for making bricks and the like : en
  • USD100808S - Design for a tree stand or : en
  • US2050468A - Tow bar : en
  • US2050490A - Open end band saw : en
  • AT146732B - Device for the production of helically grooved hoses or pipes. : de en
  • CA359731A - Wax-like substance : en fr
  • CA359775A - Internal combustion engine : en fr
  • US2050549A - Convertible sack-apron : en
  • CA359728A - Moistureproof material : en fr
  • ES142184A1 - A grinding machine, particularly applicable to the refining and hydration of fibrous materials. : en es
  • GB451608A - Improvements in pneumatic soles and heels for footwear : en
  • CH185843A - Process for the preparation of an azo dye. : de en
  • GB451898A - Improvements in or relating to lighting circuits for automobiles : en
  • GB451975A - Improvements relating to variable-speed gearing for vehicles : en
  • FR801681A - Device for obtaining a perfect chain line on freewheel bicycles with several gears : en fr
  • GB452021A - Improvements in and relating to gas burning furnaces and heating installations : en
  • AT146796B - Ceramic ring scales and process for their manufacture. : de en
  • AT146710B - Installation on apparatus with thermionic discharge vessels. : de en
  • US2050319A - Treating metalliferous compositions of copper, tin, and lead : en
  • US2050329A - Method of distilling petroleum under vacuum : en
  • USD100760S - Design fob a lace : en
  • CA359697A - Baseboard heating system : en fr
  • CA359727A - Glass making apparatus : en fr
  • DE633864C - Device for the optical copying of lenticular films : de en
  • CA359760A - Metallic bag : en fr
  • US2050830A - Apparatus for coating welding rods : en
  • US2050343A - Amplifier : en
  • US2050866A - Apparatus for testing the running of timepieces : en
  • US2050622A - Nursing bottle support : en
  • US2050487A - Friction can top : en
  • FR801611A - Improvement to hinged doors arranged in slanted walls : en fr
  • US2050662A - N-substitution products of 1.4-diaminoanthraquinones : en
  • CA359683A - Alkali hydrate production : en fr
  • AT146741B - Valve for rubber balls u. like : de en
  • CH185795A - Scale device on combined radio wire broadcast receivers. : de en
  • ES142131A1 - A new procedure for obtaining solid insecticide. : en es
  • GB451879A - Improvements in or relating to aircraft and other vehicles : en
  • CA359761A - Water softener : en fr
  • US2050422A - Buffing machine : en
  • US2050748A - Two-cycle engine : en
  • US2050272A - Manufacture of chewing gum base : en
  • US2050388A - Apparatus for use in covering heels : en
  • CH185621A - Rail fastening for the creation of a fault-proof and non-moving railroad track. : de en
  • GB451940A - Improvements in or relating to cash registers : en
  • US2050989A - Earth boring tool with rolling cutters : en
  • US2050446A - Phenomenon indicating device : en
  • US2050928A - Processes for breaking petroleum emulsions : en
  • DE634029C - Process for melting glass for the manufacture of sheet glass in continuously operating furnace : de en
  • US2050686A - Gas and liquid storage device : en
  • GB451682A - Improvements in or relating to filter filling for cigarettes : en
  • USD100816S - Design for a glove : en
  • DK52010C - Intermediate frequency amplifier. : da en
  • GB451618A - Improvements in or relating to apparatus responsive to the phase difference between two voltages : en
  • AT146745B - Spool holder for two-for-one twisting spindles. : de en
  • CH185767A - Furnace for the uninterrupted extraction of metallic magnesium by thermal reduction. : de en
  • AU2283335A - Method of and means for stacking and delivering logs ready for treatment : en
  • CA359712A - Manifolding book : en fr
  • US2050267A - Alternating current rectifying system : en
  • US2050423A - Material treating device : en
  • US2050939A - Welder's shield : en
  • GB451821A - Improvements in or relating to centrifugal pulp screens or strainers for cellulose or the like : en
  • DE634040C - Device for mounting a nozzle box connected to a guide disk : de en
  • ES4899U - A double pump for soaping agrifos of different gums and sizes (Machine-translation by Google Translate, not legally binding) : en es
  • FR801636A - Skill game : en fr
  • GB451799A - Improvements relating to spectacles or spectacle frames : en
  • GB451803A - Improvements relating to rubber matting : en
  • ES142123A1 - A refinement in the showers for intimate grooming. : en es
  • GB451742A - Improvements in or relating to strainer plates for the manufacture of wood pulp, cellulose or paper or the like : en
  • AT146772B - Process for the production of finely divided metal layers. : de en
  • DE633916C - Impregnation, finishing, polishing and cleaning agents : de en
  • FR801692A - Hydraulically driven reproducing machine : en fr
  • GB451894A - Method for the treatment of chlorates for the purpose of reducing the risk of fire : en
  • DE633843C - Automatic reversing device, especially for tapping machines : de en
  • ES142343A1 - A process for obtaining cellulose pastes of maximum purity, intended for the manufacture of all kinds of papers, and can also be used as filtering material. : en es
  • DE634051C - Heat exchanger for liquid heater : de en
  • FR801660A - Improvements to the control of automobile wheels : en fr
  • GB451874A - Improvements relating to machines for use in the fluid-pressure testing of tubes and other hollow bodies : en
  • GB451866A - Improvements in or relating to electron discharge devices and to circuits therefor : en
  • US2050325A - Method of setting the twist of rayon yarn : en
  • US2050547A - Case loader : en
  • FR46701E - Process for increasing the resistance to corrosion, of aluminum alloys containing from 3 to 16 p. About 100 magnesium : en fr
  • DE633912C - Regenerative coke oven with regenerators arranged in the longitudinal direction of the chambers : de en
  • ES141468A1 - Improvements in sedimentation. : en es
  • US2050758A - Meat grinder attachment : en
  • US2050330A - Manufacture of starch from corn : en
  • US2050774A - Guard attachment for coal chutes : en
  • US2050791A - Shipping crate : en
  • US2050987A - Jail door and operating mechanism : en
  • US2050984A - Locomotive stoker : en
  • DE633955C - Method and device for the wet treatment of fabrics in strand form : de en
  • US2050656A - Railway car truck : en
  • ES142231A1 - Bottom bracket with gear change. : en es
  • FR46749E - Device for automatic washing of tanks and other closed liquid containers : en fr
  • GB451827A - Improvements in economizer valves and valve-gear for steam-steering and like engines : en
  • DK52001C - Vibration damper. : da en
  • CA359790A - Electric plug : en fr
  • US2050346A - Circuit breaker : en
  • CA359745A - Container fitting : en fr
  • CH185831A - Process for the preparation of a quinoline series amino compound. : de en
  • US2050599A - Alternating current power supply system : en
  • US2050735A - Electric motor commutator cleaner : en
  • FR801665A - Improvements to brakes using the vehicle engine for their operation : en fr
  • CH185794A - Program selector switches on devices that are configured for wire broadcast reception. : de en
  • FR801735A - Improvements in devices for tensioning belts, drive chains and the like : en fr
  • ES141736A3 - A procedure for the construction of metal bed bases. : en es
  • GB451788A - Method for converting hydrocarbon gases into high anti-knock rating gasoline : en
  • DE634014C - Device for generating colored light effects in translucent block letters in advertising banners : de en
  • GB451626A - Air cooling of cylinders of internal combustion engines : en
  • GB451892A - Improvements in or relating to rail car trucks : en
  • GB451766A - Improvements in or relating to cathode ray tubes : en
  • GB451982A - Improvements in winding and paying out apparatus for ships' davits : en
  • US2050980A - Bottle case : en
  • US2050249A - Alkaline trisodium phosphate : en
  • US2050565A - Proportional fluid feeding device : en
  • US2050790A - Sewing machine : en
  • US2050892A - Toy fire house : en
  • US2050739A - Lawn cultivator : en
  • DK51982C - Electric Discharge Pipe. : da en
  • GB451648A - Improvements in variable pitch airscrews : en
  • CH185816A - Folding top on automobiles. : de en
  • US2050378A - Switchboard : en
  • DE633957C - Device for the asynchronous start-up of synchronous machines with laminated winding holders inserted in the grooves of the massive rotor core : de en
  • FR801646A - Improvements made to handkerchiefs, their manufacturing processes and devices intended to contain handkerchiefs : en fr
  • FR801737A - Improved method and apparatus for molding large-sized glass objects : en fr
  • GB451908A - Improvements in or relating to coin-freed vending machines : en
  • DE634022C - Method and device for forming knots, in particular weaver knots : de en
  • DE633963C - Arrangement for generating high-frequency alternating current of high voltage, in particular for ignition systems of internal combustion engines : de en
  • US2050744A - Corn husking device : en
  • GB451885A - Extraction or quarrying of chalk : en
  • GB451941A - Improvements in or relating to the formation of concrete structures : en
  • DE622188C - Sensor control for working machines, especially cutting machines : de en
  • DE633989C - Process for the production of a fuel or fuel oil from coal tar : de en
  • DK51993C - Plastic, easily spreadable Corrosion protection compound. : da en
  • US2050440A - Electrical connecter : en
  • CH185721A - Process for the production of a synthetic molding sand for molds and cores. : de en
  • CH185761A - Device for regulating grid-controlled rectifiers, the DC voltage of which is regulated by fast regulators. : de en
  • GB451918A - Improved cowling construction for aircraft engines : en
  • CA359817A - Tire tube : en fr
  • DE633946C - Loeschkammer for switches, in which one of its parts or several of them consist of layered material : de en
  • GB451775A - Light metal piston for heat engines : en
  • GB451822A - Improvements in files for index cards and the like : en
  • GB451753A - Improvements in or relating to crankshafts : en
  • US2050392A - Fuel injector : en
  • US2050546A - Nonrepeat attachment for punch presses and the like : en
  • US2050836A - Clutch for refrigerating apparatus : en
  • DE633997C - Arrangement for the coordination of earth fault extinguishing devices : de en
  • GB451945A - Improvements in or relating to clips or brackets for supporting pipes and the like : en
  • ES142318A1 - Improvements in piezoelectric crystal devices used in high frequency signal devices. : en es
  • GB451860A - Improvements in the manufacture from viscose of fibres resembling wool : en
  • DE633967C - Push-in clamp for the adjustable setting up of intermediate walls in showcases u. like : de en
  • US2050608A - Colorimeter : en
  • US2050733A - Double glazing device : en
  • DE633873C - Vacuum cleaner with percussion body driven by the blower motor and connection of hand-held vacuum devices : de en
  • CA359750A - Zirconium silicate production : en fr
  • CA359800A - Vibrator : en fr
  • US2050300A - Manufacture of laminated glass : en
  • CH185782A - Key operated cash register. : de en
  • ES4870U - Luminous device, annunciator, changeable labeling. (Machine-translation by Google Translate, not legally binding) : en es
  • FR801730A - Process for making molded objects : en fr
  • CH185753A - Distribution transformer for supplying fluorescent tubes. : de en
  • US2050671A - Method for the separation of terpene alcohols from pine oil : en
  • US2050522A - Spray apparatus : en
  • AT146742B - Hairstyle hood. : de en
  • US2050351A - Planetarium : en
  • US2050911A - Basket : en
  • USD100794S - Design fob a toy gun : en
  • USD100762S - Design for a shoe : en
  • CA359839A - Roof drain : en fr
  • US2050434A - Incinerator : en
  • US2050312A - Heel attaching machine : en
  • AT146792B - Wire mesh insert. : de en
  • DE633931C - Automatic electric starting device for internal combustion engines : de en
  • DK52005C - Flat pressure plate, in particular offset printing plate, and method of its manufacture. : da en
  • USD100824S - Design for a glove : en
  • US2050419A - Apparatus for stretching sheet material : en
  • US2050975A - Freezing mechanism : en
  • CA359779A - Container : en fr
  • ES142277A1 - A method to record and reproduce the sound. : en es
  • US2050303A - Coffee maker : en
  • US2050794A - Sealing paper roll : en
  • GB451745A - Television : en
  • IE13751L - Discharge tubes : en
  • ES142224A1 - CONNECTION FOR THE SILENT TUNING OF A RECEIVER EQUIPPED WITH AUTOMATIC FADING COMPENSATION. : en es
  • FR801603A - Advanced liquid fire extinguisher : en fr
  • GB451785A - An appliance for use in filling cavities in teeth : en
  • CH185744A - Installation for heating the cooling water of engines. : en fr
  • CH185770A - Device for removing corns, calluses, etc. : de en
  • GB451748A - An improved multi-cylinder pump for vehicle tipping-gears and like mechanisms : en
  • USD100761S - Design for a combined dial and hands : en
  • DE633956C - Multicolor rotogravure printing machine with several single-color rotogravure printing units in a row : de en
  • FR46715E - Coal screen device : en fr
  • GB451851A - Improvements in efficiency and fault indicators for electric lighting systems : en
  • GB452012A - Improvements in and relating to cathode ray tubes : en
  • US2050427A - Conversion and coking of hydrocarbon oils : en
  • US2050932A - Process for increasing the productivity of wells : en
  • AT146735B - Booking apparatus. : de en
  • CH185748A - Starting device for internal combustion engines. : de en
  • ES142236A1 - PREPARATION OF SULFIDES FROM ALKALINE AND ALKALINE EARTHER METALS. : en es
  • US2050600A - Production and purification of diethyl ether : en
  • FR801612A - Method and apparatus for crystallization of sugar solutions and other similar solutions : en fr
  • US2050799A - Closure cap : en
  • CH185703A - Device for braking while skiing. : de en
  • FR46740E - TV transmitter : en fr
  • US2050519A - Scraper for bands with a sensitive surface : en
  • US2050557A - New therapeutically active ureaand thiourea-derivatives : en
  • ES142321A1 - A procedure for obtaining new azocombinations usable in medicine. : en es
  • DE633862C - Lathe for precision machining with vertically arranged work spindle : de en
  • US2050337A - Boot or shoe and method of making same : en
  • US2050403A - Window regulator : en
  • ES142244A1 - Device for the assembly of objects. : en es
  • GB451805A - Improvements in and relating to velocipedes propelled by pedal means and operating mechanism therefor : en
  • US2050296A - Shoe and method of making the same : en
  • USD100807S - Design fob a textile fabric : en
  • US2050855A - Cord or cable terminal : en
  • US2050357A - High resistance material : en
  • US2050516A - Controlling means for refrigerating apparatus : en
  • ES142249A1 - A process for separating the bases from water or other salt solutions. : en es
  • CA359685A - Power transmission apparatus : en fr
  • FR801736A - Process for dyeing shaped articles, more especially fibrous materials : en fr
  • FR801694A - Distribution device for internal combustion engines with opposed pistons rotating at high speed : en fr
  • GB451787A - Improvements in or relating to automatic safety railway car couplings : en
  • GB451909A - Furniture frames, especially for seats made of metal tube : en
  • FR46746E - Device for picking fruit : en fr
  • DE633929C - Self-cleaning gripper wheel for tractors : de en
  • CH185817A - Electric drive, in particular for overhead line vehicles. : de en
  • US2050385A - Blower : en
  • US2050824A - atherton : en
  • FR801695A - Spool contribution device for four-stroke, opposed piston combustion engines : en fr
  • GB451628A - Improvements in separators for electric accumulators : en
  • GB451712A - Improvements in or relating to domestic fireplaces : en
  • ES140633A3 - A brick-based beam manufacturing procedure. : en es
  • CA359705A - Can filling machine : en fr
  • FR801710A - New coupling system movable in all directions : en fr
  • ES142087A1 - A pump to raise all kinds of liquids and compress them to the desired pressure. : en es
  • FR46710E - Device for controlling the surveillance of public telephone booths : en fr
  • GB451668A - Improvements in or relating to blasting detonators and the like : en
  • FR801728A - Card Distributor : en fr
  • US2050619A - Press operating mechanism : en
  • ES4893U - Perfections in the plugs current (Machine-translation by Google Translate, not legally binding) : en es
  • DE633973C - Process for the production of polymorphic metal compounds : de en
  • DE634063C - Weft thread guidance on shuttle : de en
  • FR801717A - Improvements to boxes or containers to sprinkle : en fr
  • GB451791A - Improvements in, and relating to, hub caps for vehicle wheels having hubs of the bulbous type : en
  • GB451853A - Improvements in and relating to the manufacture of open containers : en
  • GB451603A - Improvements in and relating to arched roadway supports for use in coal mines and the like : en
  • GB452014A - Medicated container for handkerchiefs : en
  • US2050920A - Windshield wiper attachment : en
  • ES142296A1 - Improvements introduced in the manufacture of kitchens that work with fish oil. : en es
  • DE633903C - An electrical capacitor arranged in an oil container with thin conductive layers separated from one another by several insulating inserts protruding beyond their edge : de en
  • GB451713A - Improvements in linear dimension recording gauges : en
  • GB451776A - Improved method and means for insulating and protecting the windings of electric motors : en
  • GB451992A - Improvements in and relating to tubulous steam generators : en
  • ES138505A3 - Procedure to obtain a solid product with equivalent qualities, and improved, to those of yoghurt. : en es
  • ES142196A2 - AN IMPROVEMENT IN THE OBJECT OF THE PATENT OF THE INVENTION FOR A WINDING MACHINE OF ELASTIC ARMS FOR SILK AND FINE THREADS. : en es
  • US2050260A - Dyeing process : en
  • US2050526A - Fluid lift pump : en
  • USD100774S - Combined salt and pepper shaker : en
  • USD100810S - Design for a shoe : en
  • CH185660A - Sports shoe. : de en
  • CH185775A - Process for the preparation of cis-Androstandiol- (3.17). : de en
  • DE634012C - Cigarette dispenser for cigarette cans : de en
  • DE633914C - High voltage transformer : de en
  • DE633976C - Liquid switch with blow pot : de en
  • US2050245A - Change speed transmission : en
  • US2050373A - System for the remote operation of power plants : en
  • US2050657A - Process of preparing 1, 4, 5, 8-napthalene-tetra-carboxylic acid : en
  • US2050665A - Electrical device : en
  • CH185793A - Public address system for community reception outdoors. : de en
  • US2050258A - Building construction : en
  • US2050960A - Sliding surface or guide for rollers or balls in machine parts : en
  • CH185848A - Magnetic alloy. : de en
  • CA359807A - Cement manufacture : en fr
  • CH185611A - Method and device for sorting grain-shaped, vegetable products. : de en
  • US2050470A - Air conditioning apparatus : en
  • DE634002C - Process for the preparation of arylaminoketones : de en
  • DE634016C - Photographic camera with attachable light meter : de en
  • CA359730A - Hydrogen peroxide production : en fr
  • DE634035C - Process for the preparation of Py-3-oxytetrahydrooxynaphthoquinolines : de en
  • FR801689A - Device for separating the contacts of a switch in the event of a fused circuit breaker : en fr
  • CH185826A - Stabilization device on rotary wing aircraft. : de en
  • USD100790S - Design fob a squeegee or similar : en
  • NL38845C - : en
  • US2050256A - Building construction : en
  • US2050458A - Apparatus for preparing aggregates : en
  • USD100805S - Design for a bag : en
  • US2050559A - Riser post connecter : en
  • US2050788A - Process for the production of higher alcohols from a mixture of ethyl alcohol and methyl alcohol : en
  • CA359844A - Implement operating means : en fr
  • US2050504A - Fuel converter for gasoline engines : en
  • ES142215A1 - A forage chopper, sugarcane and tobacco machine. : en es
  • CA359689A - Cigarette : en fr
  • CA359813A - Tempered glass manufacture : en fr
  • US2050772A - Process of refining mineral oil : en
  • US2050304A - Differential mechanism : en
  • US2050702A - Brake actuating mechanism : en
  • AT146748B - Heavy oil carburetor for internal combustion engines. : de en
  • CA359776A - Vehicle wheel ornamental plate : en fr
  • CH185673A - Process for the preparation of the copper complex compound of a polyazo dye. : de en
  • CA359714A - Electric valve converting apparatus : en fr
  • AT146736B - Device for collecting finished matches from match machines. : de en
  • CA359812A - Rotary kiln and cooler : en fr
  • DE633975C - Process for the production of length markings on tubular wire : de en
  • DE633991C - Self-acting device for holding the drawbar of trailers for motor vehicles in the height required for coupling : de en
  • ES142310A1 - PROCEDURE FOR THE OBTAINING OF COPPER PHTHALOCYANINS. : en es
  • ES4887U - Procedures in the manufacture of tablets or bricks for construction (Machine-translation by Google Translate, not legally binding) : en es
  • GB451674A - Improvements relating to beetling machines : en
  • US2050800A - Meter testing : en
  • CA359691A - First aid kit cover : en fr
  • CH185750A - Spark plug. : de en
  • DE633974C - Roll membrane : de en
  • US2050852A - Peak or overload indicator for speech circuits : en
  • US2050959A - Periodic absorption refrigerating apparatus : en
  • CA359838A - Pipe coupling : en fr
  • AT146785B - Telegraph system with facilities for monitoring subscriber lines and devices. : de en
  • CA359708A - Receptacle and cover : en fr
  • CH185799A - Device for receiving modulated waves. : de en
  • AT146744B - Base plate for transportable fresco paintings and like : de en
  • CH185773A - Apparatus to wean the bed. : de en
  • ES4894U - Union or coupling of tubular elements. (Machine-translation by Google Translate, not legally binding) : en es
  • DE633856C - Process for the direct production of pure lint-free alcohol from mashes or other dilute alcoholic solutions : de en
  • US2050510A - Cable saddle : en
  • NL38794C - : en
  • US2050333A - Room heater : en
  • US2050934A - Sheet piling : en
  • USD100764S - Design for a textile fabric : en
  • CA359742A - Liquid and gas mixing apparatus : en fr
  • CA359752A - Hide and skin working machine : en fr
  • US2050251A - Wheel locking attachment for trucks : en
  • US2050530A - Distributor tester : en
  • US2050564A - Wire rope : en
  • US2050937A - Brake actuating system : en
  • DE633971C - Brake and safety device for swiveling bobbin holders on cross-winding machines : de en
  • USD100804S - Design for a radiator front : en
  • AT146731B - Method and device for the production of hair blankets and carpets. : de en
  • US2050290A - Building structure and method of producing the same : en
  • US2050584A - Revolving door : en
  • US2050878A - Measuring device : en
  • AT146719B - Process for the operation of controlled gas or vapor discharge vessels. : de en
  • CA359826A - Tile : en fr
  • US2050899A - Belt connecter : en
  • FR801620A - Method and devices for wearing flat surfaces, in particular glass surfaces : en fr
  • DE633938C - Hinge for automatic closing of doors, windows, etc. like : de en
  • ES142258A1 - A method for manufacturing corrugated paperboard. : en es
  • CH185808A - Means having a container for carrying and storing solid materials, in particular solid fuels. : de en
  • US2050700A - Centrifugal fan : en
  • US2050586A - Automatic weighing machine : en
  • US2050578A - Engine : en
  • CA359737A - Vulcanization accelerator : en fr
  • CA359818A - Tire tube : en fr
  • US2051008A - Revolving door : en
  • CH185784A - Cash register. : de en
  • CH185697A - Device for tying two skis one on top of the other. : de en
  • AT146760B - Arrangement for the operation of multi-phase conversion devices with discharge paths. : de en
  • USD100828S - Design fob a control box : en
  • US2050826A - Combination stereoscopic motion picture projector and screen : en
  • CH185833A - Process for the preparation of an azo dye. : de en
  • AT146789B - Photoactive mosaic screen, in particular for electric discharge tubes and processes for its manufacture. : de en
  • ES141331A1 - Motor driving force generator. : en es
  • ES142386A1 - A procedure for the construction of metal plate cases for daters. : en es
  • GB451771A - Improvements in or relating to coated sheet metal and process of making the same : en
  • DE1380976U - : de en
  • US2050643A - Multiple lift truck : en
  • US2050819A - Radio receiver : en
  • US2050415A - Foam elimination in reclaiming used oils : en
  • US2050904A - Electric hemostat or cautery : en
  • US2050292A - Telephone repeater system : en
  • FR801664A - Insolar helmet entry spring-mounted and removable : en fr
  • GB451834A - Improvements in and relating to shoe counters and the manufacture thereof : en
  • US2051004A - Process of producing n-substitution products of 1, 4-diaminoanthraquinones : en
  • DE633897C - Process for the preparation of curable mixed condensation products from phenols, hexamethylenetetramine, urea and formaldehyde : de en
  • GB451761A - Improvements in or relating to hinges : en
  • US2050265A - Iterative telegraph system : en
  • US2050413A - Combined drill and boring tool : en
  • CH185680A - A method of manufacturing a plastic material. : en fr
  • FR801608A - Improvements to surface treatments of certain bodies, in particular light metals such as aluminum or its alloys : en fr
  • FR801623A - Method of fixing fasteners on metal cables : en fr
  • FR801653A - Improvements to electrical or similar connection terminals : en fr
  • DE633859C - Device for the electrical lighting of a train : de en
  • GB451883A - Improvements relating to motor vehicle bumpers : en
  • GB452124A - Improvements relating to apparatus for the operation of bulkhead doors, sluice gates, valves or the like : en
  • GB451864A - Improvements in telephone or like systems and impulse senders for use therein : en
  • FR801658A - Process for preparing alpha-methacrylic esters : en fr
  • US2050505A - Electrical system : en
  • USD100768S - Design for a slipper : en
  • USD100796S - Design for a wrist watch strap : en
  • ES142356A1 - Mechanism of change of speed of progressive action. : en es
  • GB451867A - Improvements in and relating to agricultural and other tractors : en
  • US2050459A - Waterless gas holder with cable-guided piston : en
  • US2050582A - Process of mercerizing cellulose material : en
  • US2050601A - Method of treating copper base alloys : en
  • GB451681A - A combined folding table and cabinet : en
  • FR801707A - Improvements to joints or flexible supports : en fr
  • US2050323A - Switch gear : en
  • CA359836A - Gas producer : en fr
  • USD100791S - Design fob a squeegee or similar : en
  • FR46716E - Manufacturing process of new anthraquinone dyes and their application in industry : en fr
  • FR801673A - Automatic bead for doors : en fr
  • GB451818A - Process for the manufacture of porous metal bodies : en
  • GB451897A - Improvements in impulse senders of the dial type for use in telephone or like systems : en
  • FR46706E - Process for manufacturing very thin sheets of homogeneous or heterogeneous artificial polymerized products : en fr
  • US2050637A - Traffic signal controlled by vehicles : en
  • US2050688A - Internal combustion engine : en
  • US2050992A - Granular coated article and method of making the same : en
  • US2050697A - Picture apparatus : en
  • USD100795S - Design for a dusting powder : en
  • CH185774A - Shoe insert with an upper part that is arched according to the shape of the sole of the foot and pockets to accommodate exchangeable support bodies. : de en
  • US2050580A - Spinning stop motion : en
  • US2050259A - Multistage steam power plant system : en
  • US2050472A - Toilet seat and cover : en
  • CH185640A - Handle for top mattresses. : de en
  • ES142292A1 - A closed electric oven. : en es
  • GB451925A - Manufacture of basic esters : en
  • DE634038C - Cast iron heat exchange pipe, especially for flue gas feed water preheaters : de en
  • GB451751A - Improvements in or relating to apparatus for making infusions and decoctions : en
  • US2050985A - Method for tapping pipe : en
  • US2050617A - Cabinet : en
  • ES142149A1 - An improved process for the manufacture of fiber-cement articles waterproofed thoroughly. : en es
  • ES142190A3 - A process for manufacturing tire covers with a color contrast between the sidewalls and the running surface. : en es
  • FR46739E - Method of synchronizing television receivers by the transmitter : en fr
  • DE634091C - Process for the production of colorful posters : de en
  • GB451726A - Improvements in carburettors for internal combustion engines : en
  • DE633820C - Protection device for grid-controlled rectifiers against flashbacks, overloads and short circuits : de en
  • US2050848A - kerckhoff : en
  • DE634062C - Electric centrifugal machine drive with a brake that disengages and engages automatically when the drive motor is switched on and off : de en
  • ES142322A1 - New system of continuous mixed pavements based on cork agglomerate and compressed cork flour for floor and wall coverings. : en es
  • FR801655A - Industrial and integral processing of coconut : en fr
  • GB451635A - Improvements in or relating to rectifying circuits containing an ionic valve : en
  • GB451664A - Improvements in and relating to loud speakers : en
  • ES142211A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 138937. : en es
  • ES4903U - New metal and wood mantle (Machine-translation by Google Translate, not legally binding) : en es
  • GB451942A - Improved apparatus for separating granular material in an ascending current of a fluid medium : en
  • FR801635A - Ametropia measuring device : en fr
  • GB451919A - Improvements in or relating to game apparatus : en
  • US2050822A - Pack board : en
  • FR46705E - Improvements to cathode ray lamps : en fr
  • US2050523A - Fan : en
  • US2050942A - Method of securing bushings to sheet metal drums, kegs, and like receptacles : en
  • GB451913A - Process for the manufacture of dialkyl substituted amides of isoxazole carboxylic acids : en
  • GB452009A - Improvements in or relating to electric light illuminations : en
  • US2050362A - Door ventilator : en
  • US2050775A - Warping apparatus : en
  • US2050474A - Electric discharge modulating system : en
  • US2050958A - 3-hydroxydiphenyleneoxide-2-carboxylic acid : en
  • US2050696A - Lock construction : en
  • US2050765A - Tobacco stemming machine : en
  • AT146718B - Air cooling for engines, in particular for those of motor vehicles. : de en
  • CH185661A - Anti-slip protection for shoes, in particular for sports shoes. : de en
  • US2050577A - Orchard heater : en
  • US2050922A - Gaseous bischarge tube circuit : en
  • DK51994C - Paper folding machine. : da en
  • FR801715A - Lubricating oil improvements : en fr
  • US2050955A - Hydraulic clutch : en
  • FR801700A - Coupling device for obtaining a sawtooth plot of the characteristic of a current : en fr
  • DE633943C - Method and device for solidifying liquid slag in a highly porous manner : de en
  • ES142389A1 - Mechanism for the forced aeration of rooms with natural air, filtered or regenerated. : en es
  • FR801627A - Water heater, solar energy collector : en fr
  • GB451996A - Improvements in apparatus for delivering measured quantities of liquids : en
  • DE633923C - Rotating device for monorail cars : de en
  • DK51986C - Fuel pump for compressorless internal combustion engines. : da en
  • CA359676A - Universal mop : en fr
  • CA359801A - Grinding mill : en fr
  • CH185803A - Circuit for eliminating interference in radio receivers. : de en
  • DE633891C - Process for the production of electrically welded web chain links : de en
  • ES142256A1 - An optical inverter system. : en es
  • FR801732A - Process for preparing feed water for boilers : en fr
  • GB451702A - Improvements in and relating to cooking ovens and the like : en
  • GB451987A - Method of and means for cutting thread-like bodies into staples : en
  • US2050808A - Tuning indicator for receiver sets : en
  • CH185675A - Process for the production of a vat dye. : de en
  • AT146758B - Spark plug. : de en
  • US2050394A - Paper roll and method of forming same : en
  • US2050418A - Aircraft radio altimeter : en
  • US2050463A - Television receiver : en
  • GB451962A - Improvements in mincing machines : en
  • US2050321A - Battery terminal connecter : en
  • US2050408A - Process of treating magnetic material : en
  • US2050950A - Means for securing printing plates to the cylinders of printing machines : en
  • ES142281A1 - Arrangement for emitter degrees connected in parallel and operated by a common transmitter. : en es
  • ES142284A1 - Procedure designed to improve the combustion of liquid hydrocarbons. : en es
  • GB451993A - Improvements in means for controlling fields of incandescent lamps : en
  • GB451813A - Improvements in and relating to motor vehicles : en
  • CA359743A - Sound reproducer : en fr
  • CH185834A - Process for the production of a new azo dye. : de en
  • DE633907C - Self-seller for gas, electricity or the like with tariff change : de en
  • GB452000A - Improvements in or relating to dialysis : en
  • AU2564835A - Improvements in or relating to dispensing receptacles : en
  • ES141215A1 - A procedure for sterilizing fruit juices. : en es
  • AT146723B - Device and method for the production of lightweight panels from long-fiber, organic material and cement. : de en
  • ES142166A3 - New procedure for the preparation of adhesive paper. : en es
  • US2050482A - Grinding machine : en
  • US2050720A - Control device : en
  • CH185842A - Process for the preparation of an azo dye. : de en
  • US2050873A - Method of and means for making cable sheaths : en
  • AU2542635A - Improvements for pneumatic drying plants, particularly for agricultural products : en
  • US2050393A - Welding method and apparatus : en
  • US2050511A - Method of separating and purifying gases : en
  • DE633998C - Device for the optical copying of cinematographic films : de en
  • US2051001A - Locomotive : en
  • AT146800B - Process for the production of sheet metal disks, in particular circular sheet metal disks, by rolling. : de en
  • AT146727B - Flexible communication line. : de en
  • CH185671A - Process for the preparation of 1-methyl-3-oxy-4-isopropylbenzene. : en fr
  • US2050779A - Signal attachment for vehicles : en
  • CH185724A - Process and machine for the production of electrodes for electric arc welding. : de en
  • US2050771A - Process and apparatus for ozonation : en
  • GB451631A - Improvements in or relating to pipe connections : en
  • GB452116A - Improvements in aeroplanes having a variable lifting surface : en
  • AT146787B - Lighting device for two or more light sources. : de en
  • CH185690A - Method and device for photographic grid recording of plastic and spatial objects and structures. : de en
  • CH185766A - Ion valve with hot cathode. : de en
  • GB451638A - Improvements in cots for children : en
  • CA359694A - Corrugating machine : en fr
  • DE634030C - Planetary gearbox used for steering caterpillar vehicles : de en
  • ES142263A1 - A new mechanical suspension system for vehicles. : en es
  • GB451763A - Improvements in or relating to filter devices for use in tobacco pipes : en
  • GB451645A - Means and method for modulating high frequency currents : en
  • GB451978A - Improvements relating to door fastenings : en
  • AT146757B - Internal combustion turbine. : de en
  • FR801668A - Agricultural work trolley : en fr
  • GB452005A - Improvements in and relating to internal combustion engines of the fuel injection type : en
  • US2050839A - Explosion resisting lighting unit : en
  • ES142254A3 - Improvements in sewing machines. : en es
  • ES142247A1 - Procedure for the manufacture of condensation products. : en es
  • GB451614A - Improvements in press guards : en
  • GB451773A - Improvements in or relating to electrical plug and socket couplings : en
  • GB451781A - Improvements in or relating to abrasive wheels : en
  • FR801617A - Improvements to jacquard mechanics : en fr
  • GB451890A - Improvements in or relating to the production of titanium pigments : en
  • GB452419A - Improvements in or relating to seats more particularly for use on vehicles : en
  • DE633887C - Control device for slowly running water turbines with a spring-loaded regulator : de en
  • GB451611A - Improvements in depilatories : en
  • US2050695A - Sliding panel lock construction : en
  • FR801724A - Nippers and pliers for leather, nails or the like, opening automatically under the action of a spring : en fr
  • US2050447A - Acoustic signaling device : en
  • US2050483A - Method of drying and impregnating felt : en
  • USD100825S - Design for a coat : en
  • GB451770A - Improvements in furnace-flue steam generators or water heaters : en
  • GB451714A - Improvements in and relating to the connection of conductors to dynamo and like laminated brushes : en
  • US2050768A - Cutter for paper tubes : en
  • GB452003A - Hinge, affixed by means of dowels : en
  • DE634074C - Operating method for gas generators in which the solid fuel is alternately exposed to the action of air and water vapor : de en
  • CH185821A - Actuation mechanism for cycles. : en fr
  • GB451701A - Improvements in or relating to locking means of hose pipes or such like : en
  • GB451792A - Improvements in and relating to linings for articles of clothing : en
  • FR801677A - Drive device for motor vehicles, in particular for so-called aerodynamic cars : en fr
  • GB451825A - A method of and apparatus for taking cores from a drill hole : en
  • US2050467A - Treatment of hydrocarbon oil : en
  • US2050886A - Air compressor : en
  • ES142128A1 - A process for dyeing, sizing and forming skein, with yarns of low tensile strength. : en es
  • GB451854A - Improvements in or relating to light beam signalling or the like systems : en
  • IE14139L - Casting rainwater pipes, etc : en
  • AU2381335A - Improvements relating to animal traps : en
  • US2050454A - Agricultural implement : en
  • US2050623A - Rain alarm : en
  • ES142226A1 - Improvements in the manufacture of desk tables with tilting devices for typewriters, calculate, etc. : en es
  • GB451896A - Improvements in or relating to corsets and swimming costumes : en
  • CA359767A - Thiazyl derivative : en fr
  • GB451754A - Improvements in and relating to loud speakers : en
  • AT146777B - Circuit arrangement for a line selector in automatic telephone systems. : de en
  • DK51997C - Apparatus for magnetic action on organisms or parts of organisms. : da en
  • FR801676A - Safety device preventing axial separation of the rolling rings from the ball bearings : en fr
  • GB451741A - Saddles for motor-cycles and the like : en
  • GB458175A - Improvements in or relating to route lighting apparatus for use on vehicles : en
  • DE634010C - Adjustable console, especially for hanging collective heating bodies : de en
  • FR801606A - Improved process and apparatus for hardening rails : en fr
  • ES142307A3 - Improvements in ties that use button elements, for clothing pieces. : en es
  • US2050900A - Scaffolding : en
  • AT146708B - Process for the production of zinc white from metallic raw materials. : de en
  • USD100773S - Design for a bottle : en
  • US2050804A - Brooch : en
  • US2050930A - Process for breaking petroleum emulsions : en
  • US2050331A - Clamp for button sewing machines : en
  • US2050553A - Pitman yoke : en
  • NL38734C - : en
  • ES142222A1 - DEVICE TO IGNITE INCOMPLETELY BURNED AND DISTILLATION GASES IN HOUSEHOLDS. : en es
  • GB451953A - Improvements in or relating to photographic shutters having associated delay action mechanism : en
  • GB451795A - Improvements in speed control gear for motor vehicles : en
  • US2050252A - Electric traction system with compound motors and electric braking : en
  • GB451798A - Improvements in musical instrument : en
  • USD100819S - Design for an ensemble dress : en
  • DE633880C - Single image projector : de en
  • US2050689A - Process for controlling the oxidation of certain organic compounds and the products produced thereby : en
  • US2050365A - Sink flusher : en
  • FR46714E - Elastic clothing belt : en fr
  • US2050261A - Size determining mechanism for automatic machines : en
  • US2050280A - Indestructible safety mail box support : en
  • US2050907A - Multiple ashtray : en
  • AT146769B - Automatic device for interrupted power supply to radiators, motors or the like. : de en
  • US2050923A - Process for breaking petroleum emulsions : en
  • ES142364A1 - An improvement in the manufacture of rayon or artificial silk. : en es
  • GB451647A - Improvements in variable pitch airscrews : en
  • US2050541A - Friction shock absorbing mechanism : en
  • NL39040C - : en
  • US2050870A - Pinking shears : en
  • US2050951A - Table for motor vehicles : en
  • AU2378035A - Improvements in telephone systems : en
  • CH185749A - Starters for automobiles. : de en
  • CH185768A - Electric lighting lamp with a reflective bulb part. : de en
  • CH185776A - Process for the preparation of N-ß-diethylaminoethyl anthranilic acid ethyl ester. : de en
  • US2050869A - Separable interlocking fasteneb : en
  • US2050944A - Double leader box : en
  • CH185828A - Brew fitting with brewing bell for coffee machines. : de en
  • AT146795B - Support for wash basin. : de en
  • CH185822A - Car bodies for vehicles, in particular for rail cars. : de en
  • US2050750A - Refrigerant control : en
  • US2050995A - Carburetor : en
  • US2050513A - Separation of one or more components from an aqueous mixture : en
  • US2050603A - Engine : en
  • CH185760A - Process for the production of contact elements for electrical discharge tubes. : de en
  • CA359829A - Air cushion : en fr
  • AT146778B - Circuit arrangement for a line selector in automatic telephone systems. : de en
  • CA359781A - Fluid pressure testing apparatus : en fr
  • US2050666A - Gas bomb well : en
  • US2050538A - Automatic firearm : en
  • US2050647A - Speed coupler : en
  • ES141788A1 - A procedure to classify bodies by their relative density. : en es
  • GB451923A - Improvements in and relating to tank stabilising installations for ships : en
  • CA359782A - Window construction : en fr
  • US2050707A - Gas holder : en
  • US2050890A - Welding and grinding goggles : en
  • US2050367A - Automatic control system : en
  • US2050908A - Process of purifying distilled alcomolic spirits : en
  • CH185645A - Trolley for transporting items in the household, in particular laundry baskets. : de en
  • CH185791A - Telegraph equipment. : de en
  • USRE20061E - Combination of os uteri locating : en
  • US2050244A - Razor : en
  • USD100752S - Design for a smoker s stand : en
  • GB451960A - Improvements relating to the production of organic derivatives of arsenic : en
  • AT146707B - Roller arrangement for guiding the film tape in cinema, in particular sound cinema equipment. : de en
  • US2050941A - Rule : en
  • US2050973A - Adjustable orthopedic arch support : en
  • AT146764B - Telephone system. : de en
  • CH185732A - Method of polishing wood. : de en
  • USD100788S - Design for a floor conditioning : en
  • CH185631A - Drain plug. : en fr
  • CH185836A - Process for the production of a new azo dye. : de en
  • US2050566A - Battery terminal and cable clamp : en
  • US2050271A - Welding electrode : en
  • US2050721A - Alignment fixture : en
  • US2050591A - Grate basket : en
  • USD100781S - Design for a signal lamp : en
  • USD100809S - Design for a match book cover : en
  • CH185684A - Method for diverting and opening sheets folded in a folding machine for the purpose of stapling the same in a stapling machine, and apparatus for carrying out this method. : de en
  • CA359690A - Engine combustion chamber : en fr
  • CA359846A - Vibration dampener : en fr
  • US2050409A - Fire and theft alarm switch : en
  • US2050660A - N-substitution products of 1.4-diaminoanthraquinones : en
  • CH185763A - Method for operating a cathode ray tube. : de en
  • AT146786B - Circuit arrangement for telephone stations. : de en
  • CH185614A - Ceiling with shaped beams, in reinforced concrete, and perforated slabs. : en it
  • US2050982A - Power system for combined gathering and loading machines : en
  • CA359723A - Cooling unit : en fr
  • CH185714A - Ten switching device on cash registers, calculating machines and the like. : de en
  • CH185733A - Self-locking buckle. : de en
  • CH185812A - Process for the production of ball bearings with ball bearing rings made of rolled steel, in particular for slewing rings of vehicles and ball bearings produced according to this process. : de en
  • CH185716A - Magnifying glass for placing on the object to be viewed. : de en
  • CH185720A - Shaped metal article and process for its manufacture. : de en
  • ES142266A1 - A typographic procedure : en es
  • FR801630A - Devices intended for the exhaust of internal combustion engines to suppress noise and improve engine efficiency : en fr
  • GB451910A - Hose supporting clasps : en
  • CA359738A - Punching machine : en fr
  • CA359814A - Web applying machine : en fr
  • ES142309A2 - IMPROVEMENTS IN THE MAIN PATENT NUMBER 133973. : en es
  • FR801746A - Improvements to vacuum tubes and circuits using them : en fr
  • GB451875A - Improvements in or relating to the manufacture and production of compounds of the chrysene-quinone series : en
  • CH185756A - Gas pressure switch. : de en
  • CH185850A - Impact device with motor drive. : de en
  • NL38782C - : en
  • US2050299A - Mold for producing corrugated units : en
  • US2050884A - Soft rubber doll head and movable eye mechanism therefor : en
  • DE633948C - Autotransformer for fine control through a contact piece : de en
  • US2050687A - Fire extinguishing system : en
  • US2050729A - Automatic clutch control : en
  • USD100803S - Design for a medaliion : en
  • CA359762A - Preserve tin sealing machine : en fr
  • CH185786A - Cash register. : de en
  • CH185851A - Automatic governor for igniters of internal combustion engines. : de en
  • GB451717A - Improvements in or relating to the mixture of powders : en
  • CH185655A - Reel for winding ropes, cords, hoses and the like. : de en
  • CA359699A - Toilet seat hinge : en fr
  • US2050606A - Lubricating means : en
  • US2050747A - Heating apparatus : en
  • AT146747B - Method and device for improving the fuel-air mixture in internal combustion engines. : de en
  • US2050297A - Carbon holder : en
  • US2050539A - Firing mechanism for machine guns : en
  • US2050628A - Cathode ray television system : en
  • US2050812A - Grease package : en
  • CA359833A - Foam control cooler for beverages : en fr
  • AU2204835A - A collapsible awning : en
  • AT146770B - Method and apparatus for making barrier photocells. : de en
  • AT146782B - Coupling device for liftable electric lamps. : de en
  • US2050685A - Gas and liquid storage device : en
  • DE633922C - Use and process for the manufacture of objects from iron and iron alloys enriched with arsenic by means of diffusion : de en
  • AT146751B - Device for supplying additional air into the intake line of internal combustion engines. : de en
  • AT146717B - Process for the production of lead glazes. : de en
  • CA359798A - Paper making apparatus : en fr
  • CH185707A - Method for determining changes in the properties of flat structures. : de en
  • US2050677A - Table : en
  • US2050883A - Temperature control device : en
  • CA359804A - Container : en fr
  • AU2377435A - Improvements in or relating to methods of effecting television and apparatus for carrying those methods into effect : en
  • US2050610A - Telephone toll switching : en
  • US2050713A - Wrapping and banding machine : en
  • DE634023C - Process for the production of a dry sourdough product for baking purposes : de en
  • FR46743E - Automatic flush control system in latrines : en fr
  • GB451703A - The recovery of silver from thiosulphate solutions : en
  • GB451769A - Improvements in or relating to pianofortes : en
  • CH185755A - Fastening bodies for electrical lines. : de en
  • DE1381143U - : de en
  • ES142294A1 - An instrument to mechanically solve all the problems related to the measurement in days of time periods. : en es
  • ES142358A1 - A procedure to obtain the hermetic sealing of containers, boxes and other containers. : en es
  • ES142388A1 - A juice extractor by pressure. : en es
  • CA359787A - Gelation drying method : en fr
  • DE633690C - Device for packing macaroni or similar bulky goods of rod-shaped nature in folding boxes : de en
  • DE633933C - Adjusting device on roller mills for pasty goods : de en
  • DK52000C - Flexible Control Arm to set and hold a Microphone in Voice Position. : da en
  • FR801691A - Pipe refinements with filter : en fr
  • DE634005C - Process for the preparation of water-soluble monoaxo dyes : de en
  • AU2350435A - Apparatus for separating nuts from peanut bushes : en
  • CA359772A - Cinematographic film production : en fr
  • US2051009A - Brush and guard therefor : en
  • CA359740A - Nut treating machine : en fr
  • CH185699A - Device for forming a climbing device for skis with the aid of ski sticks. : de en
  • CH185813A - Recessed built-in headlights, especially for vehicles. : de en
  • AU2380635A - Improvements in or relating to directional wireless systems : en
  • US2051017A - Process for producing from plant materials protein decomposition products, mineral salts, and soluble carbohydrates : en
  • DK52004C - Lifting and turning device for Motor Vehicles. : da en
  • AT146709B - Two-cylinder liquid brake for motor vehicles. : de en
  • NL38878C - : en
  • US2050382A - Combining of three or more layers of material together by means of a liquid adhesive substance : en
  • US2050613A - Clutch or brake mechanism : en
  • CA359834A - Waterproof plastic material : en fr
  • CH185814A - Device for preventing the formation of condensation on the windshield and side windows of motor vehicles. : de en
  • ES142159A1 - Procedure followed to press-join and vulcanize the rubber sole to any cut-off. : en es
  • GB451840A - Improvements in air filtering appliances for bottles, flasks, canisters, or other vessels for containing medicinal food and like products : en
  • GB452013A - Improvements in or relating to carriers for photographic sensitised material : en
  • CH185719A - Alarm clock. : de en
  • CH185788A - Locking device for drawers. : de en
  • CA359783A - Ladder : en fr
  • CH185709A - Maximum tariff meter for charging electrical energy according to the basic tariff. : de en
  • US2050624A - Motor control circuit : en
  • US2050755A - One-piece multifocal lens : en
  • US2050477A - Method and apparatus for spreading divided material for treatment or other purposes : en
  • CA359832A - Tire retreading method : en fr
  • CA359719A - Electric valve converting apparatus : en fr
  • NL39050C - : en
  • US2050449A - Gripping, crushing, or cutting tool : en
  • US2050294A - Pothead device : en
  • US2050596A - Resilient tie : en
  • CH185692A - Ruler. : de en
  • DE634058C - Machine for applying glue to shoe floors, especially to the edge part of a frame shoe floor : de en
  • ES142214A1 - A procedure for obtaining combinations of fluorine. : en es
  • GB451924A - Improvements in and relating to means for reducing torsional oscillation of motors : en
  • CA359718A - Electroresponsive device : en fr
  • CA359824A - Vacuum cleaner polishing device : en fr
  • GB452010A - Improvements in or relating to scissors, shears and like cutting tools : en
  • ES142384A1 - A fuel saving device in the explosion engines. : en es
  • AT146779B - Device for the excitation of fluorescent tubes. : de en
  • DE633909C - Liquid shock absorbers, especially for cars : de en
  • CA359789A - Sponge rubber : en fr
  • US2050301A - Electrical washer for emulsions : en
  • US2050338A - Automatic operator : en
  • US2050465A - Water heater : en
  • US2050501A - Clean-out : en
  • CA359811A - Cement manufacture : en fr
  • CH185829A - Process for the preparation of a 3-aminoquinoline. : de en
  • CA359747A - Oil emulsion : en fr
  • CH185704A - Climbing device on skis. : de en
  • CH185625A - Boilers for central heating and water heating. : de en
  • US2050453A - Ornament : en
  • US2050948A - Device facilitating the slip of motor car trailers coupled to one or several axles : en
  • USD100823S - Design for a glove : en
  • CH185797A - Telephone system with dialer operation. : de en
  • FR801711A - Ornamental border for shelving : en fr
  • GB451710A - Improvements relating to photographic projection printing apparatus : en
  • US2050629A - Electric telemetering system : en
  • DE634026C - Process for the production of photoelectric cells : de en
  • ES142205A1 - A method to extract potassium salts from crude salts. : en es
  • ES142348A3 - A procedure for fixing the hooks on the foot of electric lamps. : en es
  • CA359757A - Leather joining method : en fr
  • AT146711B - Game, especially building game. : de en
  • CH185837A - Process for the production of a new azo dye. : de en
  • CH185757A - Device for the inertia-free determination of a measured variable which is proportional to the deviation of a variable to be controlled (actual variable) from the given target variable. : de en
  • CH185683A - Duplicating machine with automatic paper feed. : de en
  • CH185819A - Lighting device on bicycles. : de en
  • GB451938A - Process for the manufacture of phosphoric acid esters from flavines : en
  • CA359722A - Electrical musical instrument : en fr
  • AT146743B - Device for filling drawing or writing pens, fountain pens or the like. : de en
  • CA359716A - Electric circuit control means : en fr
  • US2050597A - Dehydrator : en
  • US2050618A - Combined bosom and collar and cuff press : en
  • US2050579A - Traffic signal : en
  • US2050766A - Valve operating mechanism : en
  • GB451684A - Improvements in or relating to filter filling for cigarettes, cigars or tobacco pipes : en
  • DE633871C - Process for the production of over-greased soaps, shaving creams, cosmetic preparations, skin creams and similar masses : de en
  • US2050288A - Process for concentrating lower aliphatic acids : en
  • CH185620A - Window. : de en
  • CH185801A - Radio receiver. : de en
  • GB451665A - Process for the manufacture of azodyestuffs : en
  • DE633861C - Fluid change gear according to the type of turbo gear : de en
  • GB451930A - Improvements relating to a process and apparatus for producing compressed air for internal combustion engines and applicable to other purposes : en
  • AT146706B - Hydraulic machine, especially water turbine, pump, ship propeller and the like like : de en
  • US2050310A - Machine for inserting printing plates into frames : en
  • ES142156A1 - Improvements in the classifying devices. : en es
  • USD100812S - Design for a trailer : en
  • US2050369A - Window frame : en
  • ES142238A1 - An improved procedure for the regular production of steels with specific characteristics. : en es
  • FR46713E - Metering valve for sealing flexible tubes : en fr
  • GB451708A - Improvements in, or relating to, electrical appliances such as coupling-sockets, switches, and fuses : en
  • ES142366A1 - A procedure to improve jute fiber. : en es
  • GB452022A - Improvements in or relating to smokers' pipes : en
  • GB451852A - Improvements in and relating to the manufacture of open containers : en
  • ES142375A1 - A perfection in the machines desborradoras or metallic hangers. : en es
  • FR46744E - Automatic speed change for variable speed motion transmission : en fr
  • FR801721A - Device for transporting films in cameras for small format images : en fr
  • GB451736A - Improvements in sights for firearms : en
  • GB451786A - Improvements in electrical phase-shifting networks : en
  • ES142208A1 - A procedure for compressed air saturation in a pneumatic movement transmission. : en es
  • CH185669A - Process for the production of chloromethyl. : de en
  • AU2357635A - A machine for grading eggs : en
  • CH185682A - Process for the production of metal coatings on objects. : de en
  • GB451796A - Slabs or blocks for road surfaces and the manufacture thereof : en
  • GB451932A - Improvements in the manufacture and production of amino-aza-phenanthrenes : en
  • US2050727A - Caisson belt apparatus and method : en
  • US2050831A - Shoe : en
  • US2050246A - Tube sprayer : en
  • US2050670A - Lower unit for outboard motors : en
  • DE633905C - Device for setting the clutch gears on the runner pin of the blower : de en
  • GB452139A - Process for the manufacture of wetting, cleansing and dispersing agents : en
  • CH185715A - Adding machine. : de en
  • US2050635A - Traffic signal : en
  • CA359830A - Yarn : en fr
  • GB452418A - Improvements in and relating to steam power or heating plants : en
  • DE633978C - Regulating transformer : de en
  • USD100778S - Design fob a plate ob similar : en
  • GB451811A - Improvements relating to wrappers, labels and the like : en
  • GB451911A - Improvements connected with wristlet watch cases : en
  • US2050460A - Process for enriching steels in silicon : en
  • US2050675A - Burial casket : en
  • USRE20058E - breuer : en
  • DK52008C - Electrode system with Selenium electrode. : da en
  • CH185674A - Process for the preparation of a monoazo dye. : de en
  • ES142228A1 - A two-cylinder water column machine with a two-cylinder piston pump driven by it. : en es
  • DE633906C - Coin counter : de en
  • US2050663A - Thermal insulation : en
  • DE633942C - Bowling alley-like ball playground : de en
  • DE633952C - Ski binding with a springy heel pull : de en
  • US2050241A - Thread-tension mechanism for sewing machines : en
  • US2050395A - Safety razor and blade magazine : en
  • US2050971A - Quinoline compound : en
  • FR46722E - Production of triarylmethane series dyes : en fr
  • US2050661A - N-substitution products of 1, 4-diaminoanthraquinones : en
  • US2050674A - Indicating, recording, and integrating fluid meter : en
  • US2050919A - Ciphering machine : en
  • ES142045A1 - Machine for the manufacture of ovoid carbon often pressed, mechanically moved. : en es
  • US2050499A - Machine for operating upon shoes : en
  • US2050820A - Method of making metal bodies consisting of a core and a shell : en
  • ES141704A1 - Improvements introduced for the ripple of the hair. : en es
  • FR801748A - Shoe fitting piece : en fr
  • GB451826A - A process for preventing the harmful deposition of carbonates contained in water : en
  • GB451832A - Improvements in and relating to temperature control devices : en
  • CA359802A - Abrasive wheel : en fr
  • FR46725E - Concentration of grape must by a new process : en fr
  • GB451637A - Improvements connected with water tube boilers : en
  • GB451724A - Improvement in electric oscillation generator : en
  • US2050933A - Process for increasing the productivity of wells : en
  • US2050978A - Method for introducing antiknock fuels into internal combustion engines : en
  • CA359720A - Dynamo electric machine : en fr
  • US2050936A - Tractor attachment : en
  • US2050828A - Chuck : en
  • FR801688A - Zinc stove : en fr
  • GB451672A - Improvements in or relating to the spraying of colours and the like : en
  • DE634000C - Guide device : de en
  • FR46723E - Device applicable to tulle looms to amplify the stroke of the bars : en fr
  • US2050416A - Rounding an end of a metal part : en
  • US2050895A - Capping device : en
  • US2050823A - Pumping mechanism : en
  • ES142255A1 - Grinding machine for automobile crankshafts and explosion engines. : en es
  • FR801683A - Process for manufacturing products with hair activity and products manufactured according to this process : en fr
  • FR801713A - Cathode ray tube : en fr
  • AU30736A - Improvements in dry gas-holders with folded elastic jackets : en
  • GB451964A - Improvements in or relating to matches : en
  • GB451916A - Improvements relating to slub regulating apparatus for use in the manufacture of slub yarns : en
  • US2050865A - Cobalt-tungsten alloys : en
  • USD100780S - Design fob a shoe : en
  • ES142127A1 - REVOLVER MACHINE FOR THE MANUFACTURE OF PACKAGING AND SIMILAR OBJECTS WITH PAPER PULP. : en es
  • FR801705A - Mass production process for dental parts : en fr
  • GB451797A - Improvements in or relating to road vehicle brake testers : en
  • US2050593A - Collapsible stairway : en
  • US2050810A - Galley cabinet : en
  • US2050644A - Heel securement : en
  • DE633913C - Mercury switch : de en
  • US2050581A - Air cleaning and sound-silencing apparatus : en
  • US2050753A - Time schedule control system : en
  • US2050891A - Hinge : en
  • US2050858A - Beam clamp : en
  • CH185825A - Catenary for electric trains and trolley buses. : de en
  • ES142291A1 - A receiver for television. : en es
  • FR801632A - Improvement in electrical spot welding applicable in particular to the fixing of pan tails : en fr
  • GB452138A - Manufacture of esters of polyglycerols : en
  • DE633928C - Process for improving the magnetic properties of sheet metal, wire or strip cores and Krarup windings : de en
  • US2050641A - Disk wheel and process of producing the same : en
  • CH185650A - Hammer setter of bobbin changing devices on automatic looms. : de en
  • CH185686A - Machine for multi-colored indirect printing of workpieces, especially cylindrical glass objects. : de en
  • DE634001C - Process for the production of seamless hot water bottles : de en
  • ES142048A1 - GLARE FREE CAR HEADLIGHTS. : en es
  • US2050425A - Refrigerating vehicle body : en
  • US2050503A - Sectional wall panel : en
  • US2050693A - Spring suspension for vehicles : en
  • US2050706A - Bonding rubber to surfaces : en
  • US2050352A - Aero and auto tire : en
  • US2050417A - Method for superposing partial : en
  • US2050469A - Vehicle door mounting : en
  • US2050880A - Channel formed repeater for rolling mills : en
  • US2050991A - Cable and method of making : en
  • AT146713B - Storage of moving electrically conductive parts of electrical precision apparatus. : de en
  • CH185723A - Process for connecting hollow workpieces by internal soldering. : de en
  • GB451957A - An improved machine for milling moist or dry potters' clay, marl and the like into powder, graded as required : en
  • IE14167L - Artifical stone. : en
  • US2050996A - Dry size : en
  • US2050293A - Pothead device : en
  • US2050607A - Electrode for electrically heated steam boilers and the like : en
  • US2050805A - Educational apparatus : en
  • ES141663A1 - Installation to gasify solid fuels in gasogens. : en es
  • ES142180A1 - A parva turning device. : en es
  • ES4892U - Box for buffer. (Machine-translation by Google Translate, not legally binding) : en es
  • GB451800A - A new or improved riddle : en
  • GB451615A - Brake mechanism for motor and other vehicles : en
  • US2050783A - Air brake : en
  • US2050360A - Piston head construction : en
  • US2050807A - Superheterodyne receiver : en
  • US2050722A - Telephone system : en
  • US2050859A - Pipe coating apparatus : en
  • USD100759S - Design for lace : en
  • ES142323A1 - An ion rectifier lamp with activated incandescent cathode and one or more control grids. : en es
  • FR46737E - Process for deodorizing polymerized haloprenes and resulting product : en fr
  • CH185779A - Process for the production of highly absorbent bandages. : de en
  • USD100811S - Design fob a street lighting : en
  • DE633980C - Device for forming and filling sliders with overlapping side flaps for sliding boxes : de en
  • CA359769A - High-frequency coupling device : en fr
  • CH185702A - Facility for carrying skis on your back. : de en
  • CH185849A - Electrode pliers for welding. : en fr
  • DE633970C - Light meter for photographic enlargement : de en
  • CH185752A - Accumulator column. : de en
  • US2050552A - Color photography : en
  • CH185616A - Reed cell for ribbed concrete ceilings. : de en
  • US2050851A - Plate clamping mechanism for printing machines : en
  • FR801680A - Simultaneous orientation of the headlights of motor vehicles with the steered wheels, for rational lighting in bends : en fr
  • FR801645A - Refinement to the coupling device of the garbage bucket to the tilting frame of the garbage car : en fr
  • CA359748A - Couch : en fr
  • GB451613A - Improvements relating to the manufacture of ornamental bricks and apparatus therefor : en
  • GB452143A - Improvements in or relating to packing cases, boxes or the like : en