• AT154359B - Method and apparatus for manufacturing electroplated rolled products, etc. : de en
  • AT154398B - Process for welding and soldering and device for its implementation. : de en
  • US2131127A - Vulcanization of rubber : en
  • PL27102B1 - Camera. : en pl
  • US2131090A - Signaling device : en
  • US2131676A - Tooth cleaning device : en
  • AT154316B - Grippers for caterpillar tracks or belts for motor vehicles. : de en
  • CA376773A - Window wiper : en fr
  • AT154431B - Piston drive for shock absorbers, in particular for a hydraulic shock absorber. : de en
  • GB492735A - Improvements in luminous compositions and methods of manufacturing the same : en
  • US2131104A - Copper-silver-beryllium-manganese alloy : en
  • US2131547A - Recording apparatus : en
  • US2131351A - Combined searchlight and tester : en
  • USD111496S - Design for a hat : en
  • US2131173A - Cable sheath extruding press : en
  • US2131289A - Printing type and method of manufacturing : en
  • AT154450B - Heating oven for wick burners with mixing chamber attachment. : de en
  • CA376705A - Camera with range finder : en fr
  • CA376791A - Hot air heater : en fr
  • CH200062A - Process for the production of an organic mercury compound. : de en
  • US2131703A - Brake : en
  • PL27173B1 - Tubular wall with lining of profiled stones for boiler furnaces. : en pl
  • GB492924A - Improvements in or relating to handles for hand grenades : en
  • AU105183B2 - Rubber vulcanization accelerators and use thereof : en
  • US2131103A - Control for therapeutic air conditioners : en
  • US2131256A - Feed mechanism for slicing machines : en
  • CA376741A - Cigarette making apparatus : en fr
  • CH200067A - Process for the preparation of a compound of the 4,5,9,10-dibenzo-3,8-pyrenequinone series. : de en
  • AT154432B - Monorail track and vehicle with propeller drive. : de en
  • US2131620A - Insulating structure : en
  • USD111562S - Design for a dress : en
  • FR832561A - Improvements to devices intended to detect objects of a reflective or absorbent nature : en fr
  • CH200116A - Method and device for producing a light metal cylinder provided with a piston liner for internal combustion engines, the piston liner being made of a harder material than the light metal cylinder, and light metal cylinder with a piston liner produced by the method. : de en
  • US2131064A - Food base and composition containing same : en
  • US2131167A - Asymmetric electrode system : en
  • USD111537S - Design for a toilet article case : en
  • DE665671C - Sheet metal strap connection for connecting two or more endless steel conveyor belts arranged next to one another on the longitudinal edges : de en
  • DE665690C - Device for clarifying fluids : de en
  • DE665707C - Process for the production of durable preparations from chlorophyll or substances containing chlorophyll and monosodium phosphate : de en
  • FR832306A - Pre-filling valve for hydraulic presses : en fr
  • AT154372B - Process for the regeneration of old rubber. : de en
  • US2131582A - Rosewood pipe : en
  • CH200273A - Process for the preparation of a condensation product of the anthraquinone series. : de en
  • GB492883A - Improvements in or relating to the manufacture of the casings of electrical machines : en
  • CH200043A - Underpants. : de en
  • CA376725A - Projector safety shutter : en fr
  • DK55272C - Centrifuge with carbon dioxide saturation device in the liquid diversion channel. : da en
  • FR832478A - Front suspension device with independent wheels for vehicles : en fr
  • AT154392B - Switching chamber for electric gas switches. : de en
  • BE429885A - : en
  • AU248937A - An improved display stand for dress and other materials : en
  • CA376764A - Hydraulic machine vacuum breaker : en fr
  • PL27062B1 - Electric bulb. : en pl
  • USD111535S - Flashlight : en
  • GB492704A - Improvements in or relating to index-card assorting devices : en
  • FR832435A - Position light for automobile car : en fr
  • GB493051A - Improvements in or relating to metal working presses : en
  • US2131097A - Impregnated felt : en
  • DE665645C - Bend-resistant junction connection of beam and support : de en
  • FR832586A - Shutter member, in particular shutter valve : en fr
  • US2131038A - Photographic emulsion containing alkyl quaternary salts of thiazoles and the like asantifoggants : en
  • US2131562A - Brick and tile cutter : en
  • CH199995A - Electric hot water generator. : de en
  • US2131220A - Shirt : en
  • AT154418B - Mounting and suspension for motors and drive wheels for electric vehicles. : de en
  • CA376776A - Floor or ceiling structure : en fr
  • CH200003A - Device for any fixing of sashes of windows and the like. : de en
  • US2131430A - Vacuum breaker : en
  • AT154405B - Process for the production of plants with seeds with a high fat content for fat production. : de en
  • CA376743A - Machine tool spindle and arbor : en fr
  • US2131165A - Electric connection : en
  • US2131545A - Necktie manufacture : en
  • AT154410B - Device for the production of cigarettes provided with or with filter plugs. : de en
  • US2131509A - Coupling connection for pipe joints and method of making same : en
  • FR832424A - Reinforced glass manufacturing process : en fr
  • GB493002A - Improvements relating to panic bolts for doors : en
  • DE665463C - Process for the hydrogenation of oils : de en
  • GB492948A - Improvements in ventilating devices for water-closets : en
  • CH200266A - Process for the production of a vat dye. : de en
  • US2131568A - Telephone system : en
  • DK55275C - Lock. : da en
  • FR832634A - Sector shutter for cameras : en fr
  • AU105185B2 - Improvement in catch means for shutter release on camera body : en
  • CA376722A - Projector lamp house : en fr
  • CH200096A - Method and system for the observation and continuous measurement of moving targets, in particular aircraft. : de en
  • US2131502A - Compress : en
  • CA376799A - Piston expander : en fr
  • CH200278A - Process for the preparation of a condensation product of the anthraquinone series. : de en
  • US2131656A - Tobacco looping machine : en
  • US2131274A - Packer : en
  • CA376686A - Run-proof knitted fabric : en fr
  • GB492939A - Improvements in or relating to pistons : en
  • GB492942A - Improvements in or relating to high-voltage discharge tubes : en
  • US2131505A - Treating steel : en
  • US2131678A - Match lighting device : en
  • CH200241A - Process for the preparation of a water-soluble aromatic series compound. : de en
  • DE665444C - Fish smoking chamber with electric heating : de en
  • DE665492C - Process for the production of colored and translucent, mortar-flush glass wall panels : de en
  • DE665508C - Siren with two wing wheels driven by a common motor for high and low continuous tones : de en
  • GB492685A - Improvements in and relating to conveyors : en
  • USD111542S - Design for an air circulator : en
  • US2131135A - Typewriting machine : en
  • US2131249A - Condensation products : en
  • PL27072B1 - Device for flushing guts under water. : en pl
  • US2131369A - Braking device : en
  • DE665639C - Process for sealing or melting electric lamps and similar gas-filled vessels under excess pressure : de en
  • GB492696A - Improvements in or relating to the manufacture of anthraquinone derivatives : en
  • US2131067A - Doorknob and plate : en
  • DE665503C - Discontinuously controlled gas or steam-filled discharge tube : de en
  • GB492950A - Improvements in electrolytic condensers : en
  • FR832601A - New metal profile and its applications, in particular, to motor vehicles : en fr
  • DE665545C - Burner for storm lanterns : de en
  • FR832505A - Hammer Drill Bucket : en fr
  • GB493052A - Improvements in or relating to metal working presses : en
  • DE665711C - Portable metal saw, the saw of which is attached to the reciprocating piston rod of a pneumatic hand hammer : de en
  • GB492953A - Improvements in and relating to floorings : en
  • DE665502C - Electric discharge tubes with gas or steam filling : de en
  • DE665634C - Grinding variometer : de en
  • AT154367B - Electric melting furnace. : de en
  • FR832491A - Weft separator for loom : en fr
  • DE665695C - Device for emptying elongated incandescent or hardened material, e.g. B. pipes, from a continuous furnace operated with an endless chain into a deep hardening bath : de en
  • CH200028A - Device for opening the closure present on screw closures of bulk packaging. : de en
  • CH200259A - Process for the preparation of a leukotriarylmethane dye. : de en
  • US2131030A - Ethers from reactive acid liquor : en
  • FR832682A - Welding torch nozzle and advanced welding process : en fr
  • GB492888A - Improvements in and relating to explosives and their process of manufacture : en
  • AT154388B - Motor vehicle with multi-wheel drive and independently suspended wheels. : de en
  • AU423637A - Manufacture of improved insecticidal compounds and compositions containing them : en
  • US2131085A - Bituminous cement : en
  • DE660400C - Electrically heated iron with electromagnetically generated ironing pressure : de en
  • US2131233A - Index safety device : en
  • US2131405A - Tire chain applier : en
  • US2131410A - Imitation fire : en
  • US2131543A - Tag for floor coverings or the like : en
  • US2131022A - Process of manufacturing artificial compositions : en
  • US2131033A - Door lock : en
  • US2131286A - Locking means for ironer supporting mechanism : en
  • US2131420A - Mine car : en
  • AT154355B - Process for the production of hyposulfite by electrolysis. : de en
  • US2131374A - Dolomitic magnesium carbonate composition and method of preparation : en
  • GB492860A - An improved method of lining smelting furnaces : en
  • FR832355A - Improvements to traps : en fr
  • DE665523C - Vibrating mill : de en
  • DE665528C - High frequency variometer with iron core : de en
  • GB492910A - Improvements in and relating to drying cabinets : en
  • GB492911A - Improvements in and relating to sustaining rotors for aircraft : en
  • GB493012A - Improvements in or relating to arm chairs : en
  • US2131122A - Convertible furniture device : en
  • DE665582C - Disk polisher : de en
  • GB492782A - Improvements in or relating to weighing apparatus : en
  • GB492934A - Improvements in or relating to polyhydric alcohol-polybasic acid condensation products : en
  • FR832353A - Flashing light electric lamp : en fr
  • DE665461C - Device for regulating the heating of glow cathode discharge tubes, in particular X-ray tubes : de en
  • US2131395A - Kitchen scissors : en
  • DE665457C - Process for the production of sulfur by reducing sulfur dioxide : de en
  • DE665713C - Quick-release fastener for attaching two sheets to sheet metal cladding of aircraft : de en
  • US2131634A - Automobile head lamp : en
  • US2131635A - Steam heater for automobiles : en
  • FR832376A - Corrected basic refractories : en fr
  • US2131028A - Photoelectric control system : en
  • DE665538C - Self-seller with basic fee collection brought about by the resetting of a default work under the influence of a timer and an energy store : de en
  • DE665580C - Compressed gas switch with multiple interruption : de en
  • GB492682A - Improvements in dynamo electric machines : en
  • FR832316A - Mineral oil dewaxing improvements : en fr
  • FR832677A - Improvements to suction dredgers : en fr
  • USD111552S - Design for a feinting type font : en
  • AT154407B - Face coolers for aircraft engines, in particular aircraft engines. : de en
  • AT154437B - Bicycle support with locking and locking device. : de en
  • PL27106B1 - The method of producing seamless pipes. : en pl
  • US2131437A - Admiralty condenser tube : en
  • US2131264A - Vacuum actuated safety system for engines : en
  • US2131683A - Weighing apparatus : en
  • USD111555S - Design for an accordion : en
  • FR832373A - High speed gyroscope or motor for controlling said gyroscope : en fr
  • FR832583A - Process for preparing basic aluminum compounds soluble in water : en fr
  • GB492992A - Improvements in arrangements for polishing and removing dust from cereals : en
  • FR832488A - Improved machine for the manufacture of propeller blades by reproduction : en fr
  • GB493036A - Improvements in or relating to mine arches and their connections : en
  • AU105187B2 - Improvements in or relating to electrical switch fuse combinations : en
  • DK55268C - Engine compressor or Engine fuel generator with free-running pistons. : da en
  • FR832358A - Electric device for fires in lines, abscesses and all veterinary interventions : en fr
  • FR832370A - Method and device for the separation of solid bodies of different specific weights : en fr
  • FR832556A - Bag closing device for packaging all products : en fr
  • US2131305A - Stoker hopper switch : en
  • GB492700A - Improvements in and relating to the manufacture of resinous compositions : en
  • US2131600A - Electric stop motion system for knitting machines : en
  • US2131712A - Organic dyestuffs and process for producing them : en
  • PL27051B1 - Insulating insert for buildings and a method of insulating buildings with such inserts. : en pl
  • CA376812A - Ladder protector : en fr
  • DE665536C - Mouthpiece for vacuum cleaner : de en
  • DE665606C - Filling control for vehicle engines : de en
  • DE665642C - Boiler for lower burnout with standing water jacket : de en
  • CH200030A - Rayon spool. : de en
  • DE665434C - Joint for connecting electrical lamp holders and their reflector, which serves as a protective cover, with head holders as a carrier for dental or medical devices for oral treatment : de en
  • US2131343A - Container and method of making the same : en
  • GR7682B - ΜΑΝΔΑΛΟΝ. : el en
  • AT154384B - Method of combating the Colorado potato beetle. : de en
  • CA376757A - Wadding : en fr
  • US2131225A - Process of manufacturing a photographic stencil : en
  • DE665619C - Ultra-short wave tubes : de en
  • DE665706C - Massager for rubbing in healing substances : de en
  • FR832422A - Hygienic protective device for telephone receiving device : en fr
  • DE649807C - Pipe-safe shock fuse, especially for small-caliber explosive projectiles : de en
  • GB492788A - Improvements relating to road kerbs and like boundaries : en
  • DE665607C - Process for the production of compressed air enriched with moisture and, if necessary, fuel gas for internal combustion engines : de en
  • DE665693C - Process for the production of grained potash salts : de en
  • FR832335A - electrode with coating, in particular for automatic electric welding : en fr
  • DE665687C - Slidable trough-like die holder for metal pipe and extrusion presses : de en
  • US2131105A - Draft tube throat ring : en
  • US2131145A - Process for increasing the reactivity of naturally or artificially shaped articles or materials and product obtained thereby : en
  • US2131110A - Trailer : en
  • US2131615A - Dishwashing machine : en
  • DE665452C - Fountain pen with a hollow body made of rubber which can be compressed like a bellows and is inserted into the rear end of the hollow shaft serving as an ink container : de en
  • CH200256A - Process for the production of a vat dye of the anthraquinone series. : de en
  • US2131378A - Edge setting iron : en
  • US2131491A - Stub axle mine car : en
  • DE665449C - Hinge, especially for motor vehicle doors : de en
  • DE665629C - Electric temperature control, especially for rail vehicles : de en
  • US2131283A - Ski heel : en
  • AT154302B - Device for cleaning rakes for turbine, sewage and sewage treatment plants. : de en
  • AU49138A - Improvements in radio receivers for direction finding or course indicating systems : en
  • AU445337A - Improvements in or relating to electron discharge tubes for use on short waves in retarding field and similar circuits : en
  • PL27166B1 - A selector with a step electromagnetic drive, in which the winding circuit of the driving electromagnet comprises a rest contact of the same electromagnet in order to give it a spontaneous free movement. : en pl
  • US2131250A - Sewing machine : en
  • US2131489A - Safety plate-shearing device for ink rollers : en
  • US2131198A - Automobile door locking mechanism : en
  • US2131493A - Railway car construction : en
  • USD111554S - Pencil tip : en
  • DE665632C - Device for uninterrupted double current impulses : de en
  • DE665678C - Method and device for chlorinating bleaching of bast fibers : de en
  • CA376816A - Bank protection device : en fr
  • BE429511A - : en
  • CH200196A - Housing part of telephones or microphones, which respectively the ear. is turned towards the mouth. : de en
  • US2131609A - Pillow rest : en
  • AT154425B - Attachment of a curtain rod in a recess of a curtain rod support. : de en
  • AU105159B2 - Improvements in or relating to cleaning compositions particularly for cellulose derivative finishes : en
  • AU105179B2 - Improvements in and relating to detachable pipe couplings : en
  • AU506237A - Rubber vulcanization accelerators and use thereof : en
  • CH200075A - Process for depositing, inside a metal tube, an adherent coating of a metal other than that of the tube, and apparatus for carrying out this process. : en fr
  • CH200184A - Process for preparing the alpha-phenyl-n-valerate of diethylaminoethanol. : en fr
  • GB492966A - Improvements in or relating to the production of artificial fibres : en
  • US2131036A - Fuel feeding system : en
  • US2131271A - Irrigation device : en
  • USD111527S - Design for a game disk : en
  • DE665613C - Suspension device for book-sized stapled erase blocks on metal ink erasers : de en
  • DE665624C - Gas burner for fire welding : de en
  • DE665644C - Cooking stove with built-in boiler : de en
  • CH199990A - Device for fastening a rod-shaped object on a base. : de en
  • USD111557S - Design for a dress : en
  • GB492726A - Improvements in or relating to the manufacture of ketones and alcohols from olefines : en
  • CA376760A - Catalytic reaction : en fr
  • GB492998A - Improvements in the manufacture and production of vulcanisable mixtures of organic film-forming substances : en
  • FR832315A - Elastic front wheel fork for cycles and mainly for light motorcycles : en fr
  • GB492855A - Improvements in or relating to charging skips, more particularly for charging furnaces : en
  • US2131577A - Terminal structure : en
  • US2131646A - Window shade : en
  • DE665562C - Tooth coupling with a lubricating oil line passing through the toothing : de en
  • DE665570C - Device for depositing the cigarettes emerging from a stick cigarette machine : de en
  • FR832527A - Improvements in the manufacture of waterproof fabrics : en fr
  • US2131294A - Sound recording : en
  • GB492944A - Improvements in and relating to gas blast electric circuit breakers : en
  • DE665616C - Device for removing spreadable liquids such as paints, lacquers, oils or adhesives from sheet metal containers : de en
  • GB492799A - An improved change speed hub for bicycles and the like : en
  • GB492853A - Method of forming spools in continuous spinning and twisting machines : en
  • US2131584A - Switching device : en
  • US2131112A - Duplicating mechanism : en
  • US2131415A - Apparatus for opening and closing doors : en
  • US2131541A - Rolling mill drive : en
  • DE665527C - Process and device for crystallizing sugar solutions in continuous operation : de en
  • AU105156B2 - Measuring apparatus for liquids or gases : en
  • US2131301A - Valve : en
  • GB492772A - Improvements in or relating to strops for razor and other blades : en
  • US2131132A - Visible bidder : en
  • DE665385C - Device for controlling the heating line of a self-contained heating circuit in storage stoves or storage ovens : de en
  • GB492919A - Improvements in change-speed gears : en
  • DE665661C - Stock and butt for handguns : de en
  • DE665635C - Process for the insulation of electrical conductors by means of strips of fibrous material : de en
  • GB492671A - Improvements in or relating to shoe bottom pressing means : en
  • GB493285A - Improvements in or relating to a method and means of supplying atomised fuel to an internal combustion engine : en
  • PL27081B1 - Device for cleaning pressure rollers of spindle extraction devices. : en pl
  • CH200269A - Process for the production of a vat dye. : de en
  • GR7673B - EXPLOSIVE BOMB. : el en
  • GB492991A - Improved apparatus for the automatic opening of doors or gates : en
  • US2131569A - Child's ski : en
  • DE665679C - Process for the production of synthetic threads from viscose : de en
  • GB492674A - Improvements in lawn mower attachments : en
  • US2131285A - Brake lever construction : en
  • CH200068A - Process for the production of an acidic wool dye. : de en
  • PL27190B1 - Fountain pen. : en pl
  • USD111503S - Design for a physician s equipment : en
  • FR832470A - Device for rolling curlers in permanent hair waves : en fr
  • US2131246A - Carburetor : en
  • AU340938A - Improvements relating to dispensing packages : en
  • CA376815A - Range or stove : en fr
  • PL27168B1 - Electrode for electric melting furnaces. : en pl
  • PL27114B1 - A tank on wheels for transporting liquids. : en pl
  • US2131136A - Can opener : en
  • US2131477A - Siding : en
  • GB492885A - Improvements in the manufacture of plastering material : en
  • GB492741A - Improvements in and relating to methods of making paper bags and apparatus therefor : en
  • PL27091B1 - Pre-parting pulp for the production of synthetic fibers, sheet, intestines, etc., and a method for dividing the synthetic fibers therefrom. : en pl
  • PL27076B1 - Flexible hose in a rubber tire. : en pl
  • PL27132B1 - Air bomb fuse with long delay. : en pl
  • GB493001A - Improvements in or relating to foundry cores and method of preparing same : en
  • US2131318A - Apparatus for making neckties : en
  • FR832462A - Vibrating system operation control system : en fr
  • FR832463A - Mop assembly device for cleaning utensil : en fr
  • US2131576A - Chest : en
  • FR832494A - Metal panels withstand high temperatures without deforming and their application in particular to dampers with or without automatic control : en fr
  • FR832391A - Metal hooping wires : en fr
  • FR832439A - Improvements to spring casings for cushions, mattresses, etc. : en fr
  • FR832616A - Improvements made to tubes forming a container for paste materials : en fr
  • GB493067A - Process for rendering textiles water-repellent : en
  • US2131125A - Humidifier : en
  • FR832473A - New box for suitcase, housewife, etc. : en fr
  • DE665599C - Process for the preparation of quinophthalone monosulfonic acids : de en
  • GB493106A - Improvements in or relating to progressive speed change mechanism : en
  • FR832515A - Repeating detonator : en fr
  • GB492881A - Improvements in and relating to the suspension of vehicle bodies : en
  • US2131349A - Toy block : en
  • US2131523A - Ignition magneto : en
  • DE665646C - Rebound-proof bumper like a multi-disc brake for drive axles with a limited angle of rotation : de en
  • DE665439C - Wooden frame panel : de en
  • FR832512A - Advanced automatic compass radio : en fr
  • GB492753A - Improvements in or relating to scanning arrangements for television and like systems : en
  • CH200200A - Installation for the transmission of messages by means of high-frequency carrier waves on lines, in particular for wire radio. : de en
  • FR832578A - Method and device for removing, in industrial cleaning baths, foreign substances which float on the surface of the bath : en fr
  • FR832588A - Advanced washbasin with combined emptying device : en fr
  • GB492864A - Improvement in hydraulic locking means for motor vehicles : en
  • DK55266C - Apparatus for drying potatoes and other root vegetables. : da en
  • DE665552C - Metal vapor pump, especially mercury vapor diffusion pump, for metal vapor converters used on vehicles : de en
  • DE665696C - Device for the automatic regulation of the braking effect as a function of the static friction : de en
  • AT154345B - Air chambers for flushing devices. : de en
  • CA376684A - High frequency coil : en fr
  • PL27068B1 - Material for producing red fluorescent coatings on signaling means. : en pl
  • US2131255A - Making slide fasteners : en
  • CH200176A - Reflection apparatus for the observation of diascopies, in particular diascopic radiographic images. : en it
  • CA376754A - Cooling system : en fr
  • CH199989A - Clamp for connecting wooden parts to each other. : de en
  • GB492722A - Improvements in luminescent materials : en
  • GB492908A - Improvements relating to emergency lighting and power means : en
  • US2131714A - Receptacle : en
  • US2131056A - Drill : en
  • FR832610A - Friction coupling : en fr
  • US2131188A - Cutter chain : en
  • US2131513A - Mixer : en
  • US2131483A - Ignition coil : en
  • US2131702A - Coal processing : en
  • US2131084A - Remote control indicator : en
  • US2131235A - Deodorizing material : en
  • US2131429A - Meat cutter : en
  • US2131471A - Illuminator for indicator dials : en
  • USD111539S - Design for a toilet article case : en
  • US2131210A - Accelerator for the vulcanization of rubber : en
  • GB493059A - Improvements in or relating to water closets : en
  • DE665630C - Grinding piece for pantographs of electric vehicles : de en
  • DE665558C - Convertible seating with a seat height that can be adjusted to suit its use : de en
  • FR832451A - Improvements in feeding automatic weapons : en fr
  • FR832506A - Self-closing shut-off device for liquid fillers : en fr
  • FR832513A - Improvements in radio communications equipment : en fr
  • GB492806A - Improvements in or relating to reducing valves : en
  • DK55263C - Device for woodworking machines. : da en
  • FR832308A - Continuous rotary mixer still apparatus : en fr
  • GB492820A - Improvements in or relating to photographic cameras with polarisation devices : en
  • GB493130A - Improvements in heat exchangers : en
  • GB492686A - An improved fastening device incorporating a nut : en
  • US2131063A - Drag bucket and clevis therefor : en
  • US2131066A - Sealed connecter : en
  • US2131539A - Cosmetic applicator : en
  • US2131108A - Short wave communication system : en
  • US2131114A - Weft replenishing loom : en
  • US2131524A - Process for the production of anhydrous magnesium carbonate : en
  • FR832480A - Fuel carbonization process with the use of flushing gas : en fr
  • PL27112B1 - Method for the preparation of alkali ester salts. : en pl
  • PL27177B3 - A method of making a tear-resistant anti-tapping agent containing lead tetraethyl. : en pl
  • DE665660C - Process for manufacturing the stock and butt of handguns : de en
  • DE665530C - Device for voltage regulation of electrical generators : de en
  • DE665576C - Chain oven with stacked baking chambers : de en
  • GB492755A - Method of and means for compiling accounts and statistical records : en
  • FR832665A - Device for the release of capsules from a stack : en fr
  • GB492773A - Improvements in and relating to electric photoflash lamps : en
  • DE665521C - Adjustable change and reversing gear : de en
  • DE665702C - Electric switch with arc extinguishing by compressed gas : de en
  • GB492702A - Improvements in processes for the preparation of nuclear alkylated, aralkylated, andarylated derivatives of alkaloids of the morphine series : en
  • GB493016A - Improvements in or relating to machines for spreading suitable materials on roads, highways, agricultural lands or similar surfaces : en
  • FR832407A - Improvements in elastic force balancing mechanisms : en fr
  • FR832574A - Process for producing originals for photomechanical printing, including printing of city books : en fr
  • FR832672A - Improvement to folding-seat chairs for public rooms : en fr
  • GB492745A - Improvements in and relating to the oligodynamic treatment of liquids : en
  • GB492932A - Improvements in or relating to coated welding rods : en
  • US2131330A - Method of making "urushi" or japanese lacquer films having pictures or letters : en
  • US2131593A - Acoustic device : en
  • FR832340A - Folding and removable horizontal bicycle : en fr
  • FR832659A - Heating process with its control and adjustment devices : en fr
  • GB492915A - Improvements in and relating to the production of combined sound and picture films and the like : en
  • BE429715A - Improvements to reciprocating electromagnetic motors : en fr
  • CH200147A - Absorption cooling machine that works with neutral gas. : de en
  • US2131154A - Colored plastic mass and process of making the same : en
  • CH200078A - Process of preparation of high purity cellulose suitable for the preparation of rayon and explosives (nitro-cellulose), starting from stems and leaves of annual plants, in particular from stems and leaves of common reed (Arundo Donax) and agricultural waste. : en it
  • CH200218A - Removable vehicle wheel with wheel center pressed from light metal. : de en
  • GR7681B - AUTOMATIC SALT - PEPPER. : el en
  • DE665667C - Device for wrapping objects in a tubular cover : de en
  • DE665705C - Electric cooking and heating plate : de en
  • US2131054A - Combined ventilating and illuminating device : en
  • DE665465C - Gate valve for shutting off inlet and outlet channels : de en
  • GB492727A - Process for the conversion of olefin hydrocarbons : en
  • FR832465A - Base range finder, instant read without adjustment : en fr
  • FR832559A - Device for drawing parallels at the desired length and spacing : en fr
  • FR832629A - Improvements to automatic fire, burglary and similar alarms : en fr
  • FR832674A - Automatic release, its particular use as a security lock : en fr
  • US2131546A - Agricultural implement : en
  • GB492847A - Improvements in or relating to planetary change-speed gears : en
  • FR832352A - Improvements made to coloring materials : en fr
  • FR832643A - Device for the aeration of materials in piles or piles : en fr
  • DE665623C - Carburettor burner operated with crude oil and equipped with a set of evaporators connected in series and a superheater : de en
  • FR832511A - Aviation parachute : en fr
  • GB492975A - Improvements relating to electrical connections : en
  • GB492675A - Improvements relating to chairs, tables and like articles of furniture : en
  • FR832648A - Break-in : en fr
  • GB492768A - Improvements in and apparatus for the collection of artificial threads, filaments and the like : en
  • GB492982A - Improvements in means for mounting or supporting cycle saddles : en
  • FR832584A - Process for obtaining acetylene by thermal or electric treatment of hydrocarbons : en fr
  • GB492731A - Improvements in or relating to the manufacture of synthetic resins and compositions containing the same : en
  • GB493032A - Pitch angle indicator device for variable pitch propellers : en
  • AT154342B - Process for the production of steel sleeves by drawing. : de en
  • DE665681C - Method and device for determining the water tightness of impregnated textiles : de en
  • US2131623A - Pump : en
  • US2131156A - Shower curtain position retainer : en
  • AT154406B - Process for the production of plants with seeds with a high fat content for fat production. : de en
  • AT154443B - Device for changing a chain translation, e.g. B. of bicycles. : de en
  • CH200205A - Piezo-oscillator oscillating circuit. : en fr
  • GB492840A - Improvements in or relating to vehicle wheels and in the method of manufacture thereof : en
  • US2131458A - Control means for sliding bolt door catches : en
  • US2131667A - Draft equalizer : en
  • GB492763A - Improved circuit arrangements for connecting a number of high frequency induction furnaces to a common source of supply : en
  • CH200305A - Device for converting a road vehicle into a rail vehicle and vice versa. : de en
  • CH200236A - Process for the manufacture of a cleaning agent. : de en
  • PL27064B1 - : en pl
  • CH200120A - Process for hardening copper and copper alloys. : de en
  • GB492691A - Improvements in releasable locking devices for parachute harness : en
  • GB492795A - Improvements in or relating to photographic printing material : en
  • GB492839A - Improvements in or relating to joints tight to molten materials : en
  • PL27087B1 - A vessel for storing and removing surgical threads. : en pl
  • GB492690A - Improvements in and relating to automobiles : en
  • FR832474A - Vehicle horn control switch : en fr
  • GB492689A - Manufacture of ª‰-halogen-butadienes-1, 3 : en
  • GB493017A - Improvements in and relating to bracelet clasps : en
  • GB493045A - Improvements in or relating to wooden heels for shoes : en
  • US2131401A - Combination sheet fastener and backing sheet : en
  • DE665529C - Arrangement of high frequency chokes and capacitors to eliminate interference in small electrical machines : de en
  • DE665592C - Device for cleaning and de-oiling steam : de en
  • FR832622A - Process for preparing resols : en fr
  • GB492812A - Manufacture of imidazolines : en
  • DE665578C - Device for interrupting or largely regulating electrical circuits : de en
  • IE15676L - Electric traction vehicles : en
  • CH200242A - Process for the preparation of a water-soluble aromatic series compound. : de en
  • AT154329B - Metal vapor discharge tube. : de en
  • CH200189A - Hood mask made of elastic building material such as rubber, synthetic rubber, polyvinyl compounds, etc. : de en
  • AT154403B - Process for spinning viscose. : de en
  • DE665553C - Short-circuit-proof direct current generator with pure series excitation : de en
  • GB492796A - Improvements in or relating to the construction of aircraft and other vehicle bodies, containers or other light hollow bodies : en
  • PL27131B1 - Water scrubber for the treatment of gases, especially gases produced in generators. : en pl
  • US2131095A - Means for sorting homogeneous articles : en
  • US2131321A - Ligator : en
  • USD111504S - Design for an oyster server plate or : en
  • US2131240A - Drain device : en
  • US2131392A - Motor working in a bore hole by : en
  • USRE20868E - Process of making same : en
  • US2131185A - Electrooptical device : en
  • US2131503A - Stencil : en
  • CA376730A - Drain valve : en fr
  • US2131217A - Automatic variable pitch propeller : en
  • US2131606A - Adhesive applying means : en
  • USD111499S - Design for a coat : en
  • PL27136B1 - Automatic device for lifting the iron during breaks in ironing. : en pl
  • DE665475C - Division of heated, molten masses, e.g. B. Calcium Carbide Melts : de en
  • FR832362A - Shaft seal for housings of machines or electrical devices : en fr
  • GB492831A - Improvements in gas turbine plants of the continuous combustion type : en
  • GB493145A - Pressed articles, particularly airscrew blades, of laminated wood and method of manufacturing the same : en
  • CH200222A - The unauthorized removal of the bicycle pump from the bicycle complicates the pump fastening device. : de en
  • FR832328A - Capacitor or feed-through capacitor and method of manufacture thereof : en fr
  • FR832374A - Improvements to railway cars : en fr
  • FR832626A - Improvements to articulated frames, or clasps, for purses, interior compartments of bags, etc. : en fr
  • CA376734A - Refrigerator construction : en fr
  • CA376780A - Circular loom mechanism : en fr
  • FR832670A - Friction linings : en fr
  • AU325437A - Improvements in means for storing and/or displaying articles in showrooms, ware-rooms andthe like : en
  • US2131266A - Tabulating board : en
  • US2131701A - Gas burner : en
  • AT154428B - Method and device for the production of prints on bottle caps made of gelatine or glue. : de en
  • CH199988A - Building block. : de en
  • PL27049B1 - The method of manufacturing building boards. : en pl
  • US2131128A - Apparatus for granulating friable : en
  • US2131170A - Bearing : en
  • US2131538A - Wave signaling system : en
  • US2131645A - Method of drying : en
  • FR832632A - Manufacturing process for pipes or ramps for gas appliances and the resulting industrial product : en fr
  • FR832650A - Stick-shaped capacitor with protective sheath : en fr
  • US2131025A - Automatic rotary valve : en
  • CA376761A - Dehydrogenation catalyst : en fr
  • CH200053A - Process for the treatment of liquid disperse systems by the action of sound and ultrasonic waves. : de en
  • CH200280A - Process for the preparation of a condensation product of the anthraquinone series. : de en
  • US2131567A - Reversible lock slider : en
  • DE665666C - Device for filling bottom bags : de en
  • AT154419B - Liquid shock absorbers. : de en
  • DE665547C - Inner stamp of a two-part pit stamp : de en
  • CH200167A - Electric discharge vessel with gas or steam filling. : de en
  • AU304637A - An improved mixing bowl : en
  • AT154433B - Support device for playing cards. : de en
  • AT154446B - Malschloß, especially for bicycles and. like : de en
  • CH199993A - Horizontal sliding window or door. : de en
  • DE665716C - Streamlined balance rudder : de en
  • PL27153B1 - Eyebrow tongs. : en pl
  • FR832573A - Development of reversing devices for engines : en fr
  • US2131490A - Toy aeroplane propeller mounting : en
  • AT154341B - Method and device for the production of threads from rubber or similar materials. : de en
  • CA376715A - Projector lamp house ventilator : en fr
  • DE665583C - Device for driving a work machine by means of two power machines : de en
  • US2131176A - Vat dyestuffs of the benzanthronylaminoanthraquinone series : en
  • US2131514A - Sander and control therefor : en
  • US2131164A - Remote selective control system : en
  • US2131448A - Advertising insert : en
  • US2131031A - Method of operating blast furnaces : en
  • US2131034A - Automatic weighing scale : en
  • PL27184B1 - A device that allows you to pour rubbish without generating dust and a garbage can for this device. : en pl
  • FR832581A - Metal aerial propeller : en fr
  • GB492754A - Improvements in or relating to additions to fuels for internal combustion engines and in the fuels produced : en
  • DE665625C - Shoe for compliant pit lining : de en
  • DE665720C - Two-part iron pit stamp : de en
  • FR832456A - Electronically Controlled Successive Multiple Emission Electronic Discharge Devices : en fr
  • AT154409B - Casting pot for typographic machines. : de en
  • CH200250A - Process for the preparation of a new chromable disazo dye. : de en
  • CA376699A - Plant protecting method : en fr
  • PL27128B1 - kft4 is I oa Porous and elastic wool fabric impregnated with a single substrate and the method of its production. Patent dependent on patent no. 14102. : en pl
  • US2131273A - Combined tank and elevator unit for agricultural implements : en
  • US2131499A - Fuel-feeding device : en
  • CA376682A - Steel : en fr
  • CH200296A - Muscle power transmission device. : de en
  • PL27107B1 - Tubular mast, composed of individual links, made of a steel tube. : en pl
  • CH200143A - Fuel injection device for internal combustion engines. : de en
  • DE665604C - Mixture for the manufacture of pith helmets and similar headwear from pulp : de en
  • FR832404A - Method and device for accumulating hot liquids : en fr
  • FR832307A - Device for converting direct current to alternating current : en fr
  • FR832640A - Slider for electric vehicle current sensors : en fr
  • GB492818A - Improvements in impulse transmitters of the type used in telephone systems : en
  • AU44238A - Improvements in signal combining amplifiers : en
  • CH200272A - Process for the preparation of a condensation product of the anthraquinone series. : de en
  • AT154380B - Process for the preparation of butanol- (1). : de en
  • BE429899A - : en
  • GB493021A - Improvements in or relating to vibratory electric motors : en
  • DK55256C - Luminaire for electric lamps for street or street lighting. : da en
  • FR832576A - Method and apparatus applicable in particular to the extraction of sugar from beets : en fr
  • GB492985A - Improvements relating to the manufacture of metal-coated surfaces : en
  • PL27147B1 - Device for cleaning and sharpening the scraper belt in engraving printing presses. : en pl
  • USD111484S - Design fob a moccasin ob similab : en
  • AU401837A - Guided electromagnetic wave transmission : en
  • AT154312B - Steering device for the adjacent axles of motor vehicles. : de en
  • GB492673A - Improvements in or relating to optical systems : en
  • GB492728A - Process for the conversion of olefin hydrocarbons : en
  • CA376719A - Camera shutter mechanism : en fr
  • US2131147A - Cop winding machine : en
  • PL27060B1 - Antenna system, especially for ultra-short waves. : en pl
  • US2131267A - Wardrobe case : en
  • GB493102A - Radio-frequency selector apparatus : en
  • GB492804A - Screw propellers for air-craft and the method of re-inforcing the leading edges of the blades thereof : en
  • GB492876A - Improvements in or relating to carburettors for internal combustion engines : en
  • FR832555A - Pouring tank for concrete mixer : en fr
  • FR832379A - Roller bearing device, especially for roller skates : en fr
  • GB493026A - Improvements in or relating to radio communication systems : en
  • GR7677B - PRECISION SCALE. : el en
  • DE665491C - Laengsfalzloetnaht a can or container sheet frame : de en
  • CH200235A - Holding device for hose showers. : de en
  • DE665451C - Mechanical door closer with counter spring : de en
  • US2131134A - Fumigation : en
  • FR832490A - Improvements to rotary elevator-compressor-loader devices for all vehicles : en fr
  • USD111492S - Design fob a combined display card : en
  • CH200188A - Dust and suspended matter filters for breathing apparatus. : de en
  • US2131367A - Sliding door wardrobe : en
  • FR832510A - Heating or melting process by means of high frequency currents and furnaces for carrying out this process : en fr
  • GB492989A - Improved wringer : en
  • US2131717A - Lightning arrester : en
  • US2131092A - Potato slicer : en
  • US2131672A - Berry and fruit picking apparatus : en
  • US2131144A - Hexamethylenetetramine n bismuth iodide : en
  • USD111532S - Design fob a belt : en
  • DE665668C - Process for wrapping objects, especially bread : de en
  • FR832603A - Altimeter for air navigation : en fr
  • FR832545A - Process for the manufacture of washable and elastic surfaces with radioactive emanations intended for the manufacture of complete garments or parts thereof only : en fr
  • GB492815A - A method of and means for automatically sealing damaged parts or holes in the inner tubes of pneumatic tyres : en
  • DE665479C - Light switch for electrical apartment lighting : de en
  • US2131457A - Bust supporter : en
  • FR832453A - Improvements in the manufacture of grinding wheels for paper pulp, or others, and new products obtained by application of these improvements : en fr
  • DE664983C - Oscillator or resonator designed as a piezoelectric crystal with low radiation damping : de en
  • DE665656C - Bicycle crank with adjustable crank length : de en
  • GB492822A - Improvements in and relating to toothed gearing : en
  • GB492971A - Improvements in and relating to the extinguishing of burning light metals : en
  • AT154408B - Peeling and grinding machine. : de en
  • US2131059A - Snap-on ornamental grille guard : en
  • US2131452A - Mountainside car transportation system : en
  • DE665598C - Process for the production of Kuepen dyes of the anthraquinone series : de en
  • CA376753A - Chain fastener : en fr
  • US2131130A - Thread winding apparatus : en
  • US2131239A - Display box : en
  • GB492952A - Improvements in and relating to pulley-blocks : en
  • GB492955A - Improvements in fishing devices known as spinners : en
  • FR832430A - Improvements to large diameter thrust bearings : en fr
  • FR832522A - Method for shrinking railway sleepers, means and devices for implementing this method : en fr
  • FR832552A - Engine improvements for high altitudes : en fr
  • DE665499C - Device to increase the stability between parallel running power generators by quick regulation of the voltage : de en
  • DE665574C - Bundle briquette, briquette bundle and method for assembling briquette bundles : de en
  • US2131101A - Resistance attenuator : en
  • DE665450C - Automatic locking and braking device for rotating and sliding doors : de en
  • DE665469C - Lighting circuit for lighting circuit diagrams : de en
  • US2131317A - Dry shaver : en
  • USD111521S - Design fob a vertical bumper : en
  • GB492993A - Improvements in and relating to paper-bag making machinery : en
  • GB493013A - Apparatus for casting metallic products : en
  • US2131404A - Method and apparatus for tempering glass : en
  • GB493048A - Improvements in or relating to methods of modulating carrier waves : en
  • US2131686A - Granular carbon black and method for manufacture : en
  • DE665573C - Device for conveying cigars in a bering machine : de en
  • DE665674C - Control device for multiple switches with only one switch element which is adjusted by electromagnets, especially for pneumatic tube systems : de en
  • FR832554A - Solar boiler operating an absorption cooler : en fr
  • US2131648A - Telephone rest : en
  • FR832450A - Universal multiple machine gun carriage : en fr
  • FR832367A - Timed device, particularly intended for individual and serial tripping operations : en fr
  • FR832699A - Process for preparing unsaturated hydrocarbons : en fr
  • FR832381A - Installation for handling bottles : en fr
  • IE15441L - Potassium persulphate : en
  • US2131174A - Running board saddle construction : en
  • US2131704A - Tacking strip : en
  • DE665708C - Disinfectants and preservatives : de en
  • GB492765A - Combined calendar or date indicator and memorandum or data card holder : en
  • FR832649A - Self-priming flush siphon : en fr
  • GB492951A - Process for the steaming of textiles : en
  • US2131024A - Manufacture of fabric from spun glass : en
  • US2131462A - Prefabricated building : en
  • FR832361A - Wood clamp for construction and assembly work : en fr
  • FR832657A - Improvements to centrifugal pumps : en fr
  • GB493062A - Improvements in or relating to automatic switches as used in telephone or like systems : en
  • US2131088A - Coin carrier : en
  • US2131325A - Art of packaging and dispensing fluent commodities : en
  • US2131627A - Boat construction : en
  • US2131699A - Package : en
  • US2131200A - Car roof : en
  • US2131265A - Spiral heat interchanger and method of making same : en
  • US2131281A - Trailer jack : en
  • DE665473C - Device for measuring the length of textile webs : de en
  • DE665275C - Gas discharge tube with capillary discharge channel for indicator purposes in high voltage systems : de en
  • FR832400A - Vehicle, in particular rail vehicle : en fr
  • DE665631C - Telex switching system with alternating traffic between the subscriber stations : de en
  • US2131638A - Lapping machine and method : en
  • US2131643A - Extra casing jaw for drill pipe tongs : en
  • DE665511C - Process for the preparation of the active ingredient of calebasse curare in crystallized, pure form : de en
  • FR832388A - Construction component consisting of two or more parts, for example rolled sections, to be joined together by fusion welding : en fr
  • FR832617A - Improvements to icing machines for photographic prints : en fr
  • US2131043A - Process of making building elements and the like : en
  • USD111559S - Design for a dress : en
  • FR832420A - Process for coating friction surfaces with suitable metal linings : en fr
  • US2131119A - Refrigeration : en
  • GB492819A - Apparatus for delivering fluids into water or the like flowing through a mains or feed pipe : en
  • FR832600A - Improvements in the manufacture of collars, cuffs and the like : en fr
  • FR832687A - Method for eliminating tracking errors in direction-finding and device including application : en fr
  • DE665496C - Circuit arrangement to avoid non-linear distortions in the case of amplifier circuits switched in push-pull on the input and output sides : de en
  • GB492817A - Improvements in speed regulating devices : en
  • US2131284A - Vaccinating method and means : en
  • GB492882A - Apparatus for distilling high boiling point liquids : en
  • US2131406A - Device for tempering sheets of glass, of steel, and other material, by air : en
  • US2131207A - Printing press : en
  • CH200186A - Curler for undiluted waves, with its protective device. : en fr
  • CH200102A - Registration paper. : de en
  • DE665445C - Device for cutting paper, cardboard, glass cases or the like, in particular for roll cutting machines : de en
  • DE665522C - Multi-bar printing device : de en
  • AU105193B2 - Improvements in or relating to bodies having a high tensile strength anda low specific resistance : en
  • FR832698A - Electric generator for the simultaneous production of several direct currents of different voltages : en fr
  • US2131214A - Grab rail and seat attachment for bathtubs : en
  • PL27126B1 - Method for the production of printing plates for single-color or multicolor printing, in particular for gravure printing. : en pl
  • GB492960A - Process of manufacturing fluorescent glass : en
  • US2131383A - Propellant explosive : en
  • AT154447B - Tandem bike. : de en
  • FR832441A - Multangular protractor ruler; process, means, products : en fr
  • US2131224A - Suction cup : en
  • USD111498S - Design for a scarf or similar article : en
  • USD111505S - Design for a chair : en
  • GB492963A - Improvements in metal, asbestos-cement and similar sheets and in the method of affixing them in position : en
  • DK55250C - Biscuit Making Machine. : da en
  • PL27162B1 - Air bomb attack fuse. : en pl
  • GR7676B - ALUMINUM HORSE. ' : el en
  • GB493134A - Improvements in "true-to-scale" printing processes : en
  • FR832523A - Device for fixing capacitors or other components on frames of radio-electric or other devices : en fr
  • FR832697A - Improvements to the rigid assembly of rods with metal plates or blades : en fr
  • DE665677C - Arrangement for the formation of guide beams : de en
  • DK55255C - Conaxial Cable. : da en
  • DE665683C - Automatic control device for typesetting machines : de en
  • US2131689A - Triturating apparatus : en
  • DE665478C - Isolating switch with double knife : de en
  • DE665395C - Multi-spindle turret lathe with rod guide that can be switched off from the switching spindle drum : de en
  • FR832389A - Mechanical beet harvester and grouper : en fr
  • GB492913A - Improvements relating to electric lamp holders : en
  • US2131295A - Room temperature controlling system : en
  • US2131418A - Continuous kiln : en
  • USD111516S - Design fob a roof ventilator : en
  • FR832464A - Improvements to self-propelled explosive projectiles : en fr
  • GB492720A - A new or improved means for spacing and forming button holes in articles of clothing : en
  • DE665649C - Self-closing flush valve : de en
  • GB493127A - Improvements in and relating to electric rectifiers : en
  • AT154305B - Device for driving pendulum half-axes. : de en
  • US2131278A - Electric toaster with detachable shell : en
  • CA376685A - Ultra high frequency oscillation circuit : en fr
  • AT154364B - Process for increasing the corrosion resistance of alloys of aluminum with about 3-16% magnesium. : de en
  • PL27110B1 - A method of treating alloys containing easily oxidizing additives. : en pl
  • US2131631A - Kitchen implement : en
  • BE429597A - : en
  • USD111497S - Design for a miner s tool : en
  • CH200069A - Process for the production of a condensation product. : de en
  • AT154344B - Arrangement for the resilient suspension of devices, especially radio devices. : de en
  • CH200130A - Two-part button, especially for clothes fasteners. : de en
  • AT154301B - Edging for burial mounds. : de en
  • US2131171A - Conductor clamping means : en
  • BE429504A - : en fr
  • CA376711A - Camera shutter release : en fr
  • USD111540S - Design for a gas range electric lamp : en
  • AT154396B - Filters for the pure water supply to underwater electric motors. : de en
  • AT154311B - Elastic coupling. : de en
  • CH200104A - AC compensator with automatic balancing. : de en
  • AT154351B - Process for the production of metallic magnesium from magnesium oxide. : de en
  • US2131679A - Shedding mechanism : en
  • US2131259A - Preparation of pentachloro-phenol : en
  • US2131413A - Ignition timing control : en
  • US2131472A - Motor : en
  • AU105189B2 - Improvements in freezing trays : en
  • AU454937A - Improvements in and relating to detachable pipe couplings : en
  • CH200060A - Process for the preparation of 4-methyl-5-B-oxyethylthiazole. : de en
  • AT154441B - Bicycle support that can be used as a bicycle stand. : de en
  • CH200166A - Vacuum-tight connection with glass as a sealant. : de en
  • AU397337A - Improvements in and relating to jolting or concussional apparatus or use inthe centrifugal moulding of concrete pipes andthe like : en
  • CH199991A - Sun blinds with automatic opening device. : de en
  • CH200112A - Prismatic telescope with changeable magnification. : de en
  • CH200268A - Process for the production of a vat dye. : de en
  • CA376777A - Saw gauge : en fr
  • CH200243A - Process for the preparation of 2-acetacetylamino-6-hexahydro-benzoylamino-benzthiazole. : de en
  • PL27158B1 - : en pl
  • AU416437A - Correlative temperature control system : en
  • US2131341A - Windshield wiper : en
  • CH200197A - Loudspeaker equipment. : de en
  • CH200194A - Telephone listening device with main handset and additional handset. : de en
  • DE665611C - Pointer arrangement for plate heaters : de en
  • GB493125A - Process for the industrial retting and ennobling of long-stalked vegetable textile fibres, and particularly of hemp, flex and ramie : en
  • AT154313B - Drive for motor vehicles with two or more driven wheel axles. : de en
  • PL27175B1 - Vehicle for the transport of goods boxes with anti-shock device. : en pl
  • US2131107A - Grinding machine : en
  • US2131444A - Stereoscope : en
  • USD111553S - Design for a suit : en
  • CH200145A - Piston ring consisting of several disc rings. : de en
  • GB492947A - Circular knife machines for shearing metal : en
  • AU419637A - Improvements in or relating to electron discharge device arrangements ofthe electron multiplier type : en
  • PL27157B1 - One-way clutch. : en pl
  • AU105530B2 - Improvements in or relating to electron discharge tubes for use on short waves in retarding field and similar circuits : en
  • CH200232A - Electromagnetic rail brake with movable magnet systems. : de en
  • DE665710C - Multiple convertible reclining furniture with end parts and a backrest that can be placed on the end parts as a table top : de en
  • GB492927A - Systems controlled by means of devices sensitive to the direction of propagation of radio electro-magnetic waves : en
  • FR832304A - Measuring chamber for liquid meters with annular piston : en fr
  • FR832524A - Speed change for cycles or others : en fr
  • US2131706A - Control system for looms : en
  • US2131590A - Snap switch : en
  • USD111515S - Design for a spoon ob other article : en
  • FR832322A - Process for producing starch solutions, in particular for sizing and finishing textiles, and substances for carrying out this process : en fr
  • FR832481A - Improvements to meters, motors or pumps for liquids : en fr
  • GB492821A - Improvements in boring bars : en
  • DE665586C - Adjustable mirror with suction cup attachment, especially rearview mirror for motor vehicles : de en
  • GB492970A - Knitting machine and process of producing seamless stocking : en
  • BE429616A - Improvements to single-wheel stretchers : en fr
  • CH200031A - Process and device for the production of twisted rayon yarns, composed of short fibers, directly in the spinning operation. : en it
  • GB492916A - Electric fires or radiators : en
  • GB492981A - Improvements in and connected with devices for supporting cups, plates and other receptacles for picnicking and like purposes : en
  • SU53310A1 - The method of applying a multilayer coating on the electrodes for ceiling and vertical welding : en ru
  • US2131549A - Cleansing means for metal and metal alloys : en
  • US2131344A - Bathing cap : en
  • US2131368A - Protected blade : en
  • CA376695A - Electrical signalling system : en fr
  • CH200118A - Apparatus for rectifying the valve seats. : en fr
  • AT154397B - Voltage converter or choke coil for very high voltages. : de en
  • AU109846B2 - Improvements relating to dispensing packages : en
  • CH200131A - Brake. : de en
  • AU105200B2 - Improvement in valve stem insert and moulding means : en
  • AT154304B - Spark plug with electrode cemented into the insulator. : de en
  • CH200084A - Element for multiple rotary printing press. : en fr
  • CH200208A - Carrying frame for rucksacks. : de en
  • AT154352B - Electrical contact materials for switch contacts and electrodes for the spot welding process. : de en
  • AU105148B2 - Guided electromagnetic wave transmission : en
  • CH200046A - Zipper. : de en
  • US2131610A - Airplane refueling system : en
  • DE665507C - Air-compressing injection internal combustion engine with self-ignition and an air reservoir arranged in the cylinder cover or on the side of the cylinder : de en
  • DE665588C - Heavy oil burner : de en
  • PL27140B1 - Apparatus for electrolytic water breakdown. : en pl
  • US2131445A - Releasing gear : en
  • DE665560C - Men's hat : de en
  • GB492949A - Improvements in or relating to means for supplying paper pulp to paper-machines : en
  • GB492999A - Improvements relating to electrically heated pressing irons : en
  • DE665563C - Gear lubricating oil pump : de en
  • PL27142B1 - Connecting flat objects with non-threaded pins. : en pl
  • FR832428A - Improvements to lighthouses, in particular for air navigation : en fr
  • CA376729A - Atmospheric dust precipitator : en fr
  • FR832538A - Development of dispensing containers : en fr
  • PL27164B1 - Signaling and protection device for railways. : en pl
  • US2131150A - Typewriting machine : en
  • US2131426A - Material handling truck : en
  • US2131572A - Telephone system : en
  • GB492758A - Improvements in and relating to mining machine cutter chains : en
  • CH200009A - Method for the accumulation and transmission of heat, and device for its implementation. : en fr
  • DE665712C - Automatic grinding pressure regulator : de en
  • FR832346A - Typewriter tabulator : en fr
  • GB492846A - Improvements in and relating to cinematographic apparatus : en
  • FR832597A - Improvements made to folding conformers : en fr
  • FR832656A - Detector to detect the presence of gas or suspended matter in the air : en fr
  • GB492851A - Improvements in or relating to inflating valves for pneumatic tyre tubes and other inflatable articles : en
  • US2131243A - Cover for receptacles : en
  • GB492750A - Rapid action valve shut-off devices : en
  • US2131310A - Carbureted water gas apparatus : en
  • US2131190A - Liquid mixing apparatus : en
  • US2131480A - Vat dyestuffs of the anthraquinone series : en
  • US2131517A - Earthing arrangement for electric apparatus : en
  • US2131520A - Aluminum alloy : en
  • FR832469A - Improvements to taps : en fr
  • GB492996A - Improvements in or relating to air separators for pumps : en
  • CH200163A - Overcurrent circuit breaker with two magnetic blowing and tripping coils. : de en
  • CH200049A - Sole made of flexible, malleable material. : de en
  • US2131053A - Gate valve : en
  • US2131247A - Change speed mechanism : en
  • US2131382A - Handbag : en
  • PL27137B1 - A device for rolling on the chassis for carrying cannons without springs or similar vehicles. : en pl
  • DE1445922U - : de en
  • DE663485C - Coupling, especially for motor vehicles, with auxiliary drive for loosening the coupling : de en
  • PL27108B1 - Device for shifting and nailing the thread in mechanical weaving looms. : en pl
  • US2131070A - Apparatus for casting metal : en
  • US2131365A - Wave translation system : en
  • CH200263A - Process for the production of a vat dye. : de en
  • DE665709C - Process for the production of workpieces which are provided with hard metal supports : de en
  • CH200051A - Transport screw for butter molding machines. : de en
  • CH200056A - Process for the preparation of phenylalkyl alcohols. : de en
  • CH200286A - Process for the preparation of an acidic dye. : de en
  • US2131299A - Pumping apparatus : en
  • US2131373A - Earth cutting, digging, and moving machine : en
  • FR832683A - Process for preparing adhesive bitumens : en fr
  • CA376728A - Film rewinding mechanism : en fr
  • FR832416A - Process for the protection of ferrous chromium alloys : en fr
  • FR832585A - Process for purifying gases : en fr
  • DE665510C - Process for the preparation of di- (p-phenetyl) - (2-aethoxypyridyl-5) -guanidine : de en
  • FR832336A - Catalyst used to dissociate water for the enrichment of all heavy oil burners (fuel oil) and all other liquid fuels : en fr
  • FR832348A - Arrangements for establishing the exact tuning of preselectors in frequency changing and automatically controlled radio receivers : en fr
  • FR832628A - Process for preparing improver products for furs, hair and textiles of all kinds : en fr
  • FR832620A - Magnetic control device for machined parts, especially welds : en fr
  • FR832457A - Level indicating device for viscous liquids : en fr
  • FR832564A - Method and device for the continuous immersion and interior coating of tubes with a bituminous anti-rust substance : en fr
  • FR832660A - Device for modifying the distance to the ground from the chassis, in particular in motor vehicles : en fr
  • AT154308B - Arrangement of caterpillar tracks or belts for vehicles, in particular for those with two axles arranged close together. : de en
  • US2131241A - Fabricating glass machine and method : en
  • US2131276A - Binding or binding element for books and the like : en
  • GB492962A - Improvements in or relating to vehicle headlamps : en
  • DE665643C - Low pressure steam boiler : de en
  • GB492738A - Improvements in or relating to the manufacture of cylindrical bodies of plywood : en
  • GB492978A - Improvements in apparatus for the removal of dust from gases by contact with wetted surfaces : en
  • DE665682C - Self cashier with hinged coin checker : de en
  • GB492886A - An improved method of charging internal combustion engines : en
  • GB493023A - Improvements relating to handle-bars for cycles : en
  • GB492842A - Improvements in or relating to roofing tiles : en
  • GB493058A - Improvements relating to the carburizing of iron, steel and alloy steels : en
  • FR832638A - Reflector mainly for shop window lighting : en fr
  • FR832531A - Dryer for powdery or granular materials : en fr
  • BE429812A - Auto-pneumatic load disconnector : en fr
  • FR832357A - Air barrage formed by bombs suspended from balloons bursting at a predetermined altitude : en fr
  • GB493061A - Method and apparatus for determining the colour of a liquid : en
  • US2131409A - Washing, desulphurizing, bleaching, finishing, and like treatments of artificial yarns : en
  • GB492994A - Improvement in heating and ventilating apparatus : en
  • AT154399B - Window lock. : de en
  • CA376747A - Ice cream : en fr
  • CH200246A - Process for the preparation of the 3-carboxamide of N-xylosido-dihydropyridine. : de en
  • DE665482C - Device for therapeutic gymnastics and body culture : de en
  • DE665526C - Vertical vacuum dryer designed as a trickle dryer : de en
  • CH200093A - Facility on geographic maps for finding a desired location on the map using a directory. : de en
  • GB493113A - Improvements in and relating to hydraulic apparatus for compressing air : en
  • AT154415B - Suspension for automobiles and other vehicles. : de en
  • AT154421B - Method of waterproofing textile fabrics. : de en
  • CA376680A - Electrical educator : en fr
  • PL27115B1 - Tracked vehicle. : en pl
  • GB492736A - Process and apparatus for the separation of solid matter from liquids : en
  • CH200270A - Process for the production of a vat dye. : de en
  • GB492724A - Improvements in or relating to heat transfer systems : en
  • DE665557C - Process for the representation of dyes : de en
  • FR832646A - Device for machining parts on machine tools from models or models : en fr
  • GB492941A - Improvements in or relating to exhaust systems of internal combustion engines : en
  • CH200282A - Process for the production of a condensation product. : de en
  • AU403737A - Electron discharge devices : en
  • CA376788A - Package closing machine : en fr
  • CA376740A - Metal carbonyl production : en fr
  • CH200138A - Fruit press. : de en
  • CH200201A - System for the transmission of messages by means of high-frequency alternating currents. : de en
  • CH200299A - Process for the preparation of a water-soluble calcium double salt of ascorbic acid. : de en
  • PL27129B1 - A method of covering objects, e.g. crucibles and tools, a coating protecting against the action of materials in a liquid state. : en pl
  • DE1386833U - : de en
  • FR832535A - Zinc blank manufacturing process : en fr
  • GB493014A - Improvements in or relating to route progress indicators on vehicles : en
  • FR832497A - Improvement in the intimate constitution of friction linings : en fr
  • FR832547A - Process for the manufacture of flat boxes of walking electric pocket lamps with tubular elements : en fr
  • FR832563A - Method and device for evaporation and combustion of residual lye : en fr
  • GB492779A - Improvements in and relating to amusement passenger trains : en
  • FR832397A - Textile treatment process : en fr
  • FR832692A - Liquid coupling : en fr
  • GB493129A - Lead binding for glass of glass roofs, and the like : en
  • GR7679B - METHOD AGAINST STRETCHING AND ALIENATION OF THE SHIPPING PARTS OF SHIPS. : el en
  • US2131591A - Furnace : en
  • GB492956A - Improvements relating to filters : en
  • FR832331A - Improvements to rubber processing processes and resulting products : en fr
  • US2131312A - Making zinc compound from galvanizer's waste : en
  • AT154420B - Control device for liquid shock absorbers. : de en
  • BE429539A - : en fr
  • US2131040A - Fiber treatment and product : en
  • PL27092B1 - Barbed Roller For Farming. : en pl
  • CA376742A - Tilted spring snubber : en fr
  • CA376787A - Printing plate : en fr
  • US2131573A - Recording thermometer : en
  • CA376796A - Flush tank : en fr
  • CA376793A - Motor vehicle : en fr
  • CH200121A - Setting machine. : de en
  • AT154423B - Stretchable roller chain. : de en
  • AT154319B - Drive arrangement for wheels lying one behind the other, in particular the rear wheels of six-wheel or similar vehicles. : de en
  • CH200106A - Adjustable magnetic shunt for the main current magnet of an induction meter. : de en
  • FR832330A - Fixing the exhaust pipe of internal combustion engines : en fr
  • FR832454A - Improvements to t devices. s. f. : en fr
  • GB493056A - Improvements in or relating to tuning indicators and dials for radio and like apparatus : en
  • CA376746A - Vanity case : en fr
  • DE665489C - Self-controlling OE drive for rolling mills for paper, cardboard, fabric or the like. : de en
  • US2131357A - Torsion balance : en
  • US2131385A - Railway traffic controlling apparatus : en
  • AU305337A - Improvements in egg-carrying devices : en
  • US2131552A - Joint construction : en
  • AU141436A - Measuring apparatus for liquids or gases : en
  • AT154445B - Brake drums, in particular for railway vehicles. : de en
  • CH200002A - Pivot window. : de en
  • PL27082B1 - Electric ignition system for internal combustion engines. : en pl
  • CA376721A - Light seal : en fr
  • GB492900A - Improved process of protecting metal surfaces by electrodeposition : en
  • DE665374C - Suspension bridge : de en
  • GB492677A - Improvements in or relating to films, filaments and other shaped articles made by hardening proteins coagulated from their solutions : en
  • CH200011A - Strip cutting machine, especially for vegetables. : de en
  • US2131412A - Case for cartridges : en
  • AT154327B - Electromagnetic high-voltage control switch. : de en
  • US2131680A - Refrigerator : en
  • AT154395B - Process for the production of current inlets for vacuum vessels. : de en
  • AT154346B - Lower shower head for flush toilets. : de en
  • USD111506S - Design for a casket handle : en
  • CA376697A - Package and container : en fr
  • US2131528A - Flying machine adapted to land on water : en
  • CH200154A - Socket with recesses on the face of the cover to make it easier to insert the plug pins. : de en
  • CH200178A - Device for generating electrical currents for medical purposes. : de en
  • AU105213B2 - Improvements in lead rolling mills : en
  • CH200059A - Process for the preparation of a disulfonic acid chloride. : de en
  • CH200029A - Method and device for filling a hollow vessel with liquid while avoiding the ingress of atmospheric oxygen. : de en
  • PL27069B1 - Device for illuminating operating tables. : en pl
  • US2131654A - Garment : en
  • CH200223A - Bicycle pedal. : en fr
  • US2131611A - Turbine pump : en
  • DE665651C - Lapping process for gears : de en
  • US2131399A - Window shade bracket : en
  • CH200088A - Cassette to cinema machine. : de en
  • FR832440A - Improvements to hydropneumatic riveting, punching, welding and similar presses : en fr
  • US2131376A - Fruit curtain : en
  • US2131347A - Fastener assembly : en
  • US2131361A - Computing machine : en
  • US2131456A - Kerf-cutting machine : en
  • GB492979A - Improvements relating to change-over electric switch devices : en
  • US2131602A - Dynamically balancing rotatable body : en
  • US2131718A - Stable, hydrous silicate and method of making same : en
  • CA376797A - Light reflecting and sound transmitting screen : en fr
  • CH200077A - Method and device for cleaning objects. : de en
  • CA376782A - Massaging device : en fr
  • USD111493S - Design for a finger ring or similar : en
  • PL27079B1 - Pulley mortar mill. : en pl
  • US2131677A - Reversing gear : en
  • US2131223A - Trolley retriever : en
  • US2131460A - Incense burner : en
  • FR832399A - Switching device for series or parallel coupling of electric motors : en fr
  • FR832347A - Process for the production of plastic masses and artificial textile fibers : en fr
  • GB493049A - Improvements in or relating to television and like systems : en
  • FR832570A - Wheel hub and brake incorporated in this hub for motorcycles : en fr
  • FR832678A - Improvements made to the means to guarantee the authenticity of valuables, in particular objects engaged on a thread, such as natural fine pearls of necklaces : en fr
  • GB492721A - Improvements in arc-rupturing devices for electric switches : en
  • DE665633C - Method for modulating a direct or alternating voltage : de en
  • GB493066A - Improvements in or relating to the production of stiffened fabrics and articles madethereof : en
  • DE665313C - Device for adjusting the advance during the course of saw gates independently of the feed regulation : de en
  • GB493035A - Improvements in or relating to sound film recording : en
  • DE665556C - Process for the production of metal-containing azo dyes : de en
  • DE665676C - Circuit arrangement in which the voltage is kept constant by means of a non-ohmic conductor, the voltage drop of which is constant when current passes through (glow discharge path), and a series resistor : de en
  • US2131500A - Brush : en
  • USD111494S - Design for sunglasses : en
  • PL27169B1 - Electric, non-glare closed lamp. : en pl
  • GB492785A - Improvements in or relating to pressure gauges : en
  • USD111491S - Design for a textile fabric : en
  • ES144146A1 - Improvements in measuring and regulating devices. : en es
  • US2131633A - Carton lining machine : en
  • FR832655A - Method for the operation of internal combustion engines supplied with light fuels : en fr
  • US2131193A - Transformer coupling for television amplifiers : en
  • US2131658A - Cooking utensil : en
  • FR832492A - Process for obtaining a product allowing the bonding and waterproofing of all absorbent materials : en fr
  • GB492778A - Improvements in and relating to stock regulating apparatus for paper machines : en
  • GB492954A - Improvements in or relating to shaft packings for the casings of electrical machinesor apparatus : en
  • AU105216B2 - Improvements in or relating to systems for generating and distributing electric power and particularly to generators for use therein : en
  • FR832344A - Elastic suspension for motor vehicles : en fr
  • GB492852A - Improvements in and relating to liquid atomizing devices : en
  • GB493120A - Improvements in the suspension and mounting of internal combustion engines or other engine units : en
  • US2131687A - Suction handle : en
  • GB492688A - Electrolytic cell for the production of caustic alkalis and chlorine : en
  • US2131387A - Button sewing machine : en
  • GB492698A - Improved method of voltage or current amplification utilizing electron multipliers : en
  • FR832691A - Greasy wastewater purification and regeneration process : en fr
  • US2131227A - Labeling machine : en
  • US2131511A - Continuous method of manufacturing frozen food products : en
  • FR832575A - Gasifier : en fr
  • DE665438C - Combined milling and chain milling machine : de en
  • FR832587A - Mass of spongy gum capable of swelling under the action of liquid hydrocarbons and methods of manufacturing and using said mass : en fr
  • FR832654A - Improvements to discharge tubes : en fr
  • GB492706A - Improvements in or relating to braces for strainer bowls or the like devices : en
  • FR832558A - A new conical corrugated paper case system for bottle packaging : en fr
  • GB492988A - Improvements in electric discharge lamps : en
  • US2131042A - Radio traffic control system : en
  • US2131497A - Apparatus for collaborating statistical data : en
  • USD111528S - Design for a vanity case : en
  • CH200001A - Carrying device for showers. : de en
  • FR832327A - Flexible coupling, for shafts : en fr
  • PL27070B1 - Skate on wheels. : en pl
  • FR832518A - Fiexible pipe and machine for the manufacture of this pipe : en fr
  • FR832695A - Improvements to surfaces intended to form seats or bearing surfaces : en fr
  • GB492684A - Improved means for adjusting the length of golf club shafts : en
  • GB492695A - Improvements in or relating to the construction of walls, partitions and the like : en
  • FR832673A - Improvements in the establishment of two-stroke engines : en fr
  • FR832598A - Electrical communications systems : en fr
  • FR832402A - Method of assembling the tubes of bicycle frames : en fr
  • GB492759A - Automatic apparatus for determining the hardness of water : en
  • FR832354A - Thermionic amplifiers and similar devices : en fr
  • GB493053A - Improvements in or relating to metal working presses : en
  • DE665447C - Boil-proof tin can : de en
  • GB492808A - Improvements in drawing frames, roving frames and like textile frames : en
  • FR832667A - Process for producing unsaturated hydrocarbons : en fr
  • GB493107A - Improvements in the suspension and mounting of internal combustion engines or other engine units : en
  • GB492929A - Process for the obtaining of adsorbent, absorbent and decolorizing agents : en
  • DE665672C - Drive of side slides through the main slide : de en
  • US2131553A - Joint construction : en
  • GB492823A - An improved method of and apparatus for sand-blasting metal surfaces : en
  • FR832662A - Manufacturing process for cellulose derivatives : en fr
  • DE665534C - Inductively heated furnace for heating glass plates of large dimensions and small thickness : de en
  • FR832458A - Device for mounting on a spindle rolls or reels oroisées : en fr
  • DE665969C - Screw-on anti-skid studs for football boots and similar footwear : de en
  • US2131657A - Lead pencil, lead therefor, and process of making the same : en
  • CA376732A - Pin or bolt lock : en fr
  • GB492826A - Improvements in and relating to mountings for dynamo electric machines : en
  • GB492946A - A process for the production of resols : en
  • PL27078B3 - Striking fuse. : en pl
  • US2131642A - Locker construction and latch mechanism : en
  • US2131653A - Game and apparatus therefor : en
  • PL27080B1 - Oxygen apparatus for breathing oxygen in a short time. : en pl
  • US2131071A - Bedspring construction : en
  • US2131510A - Apparatus for the continuous manufacture of frozen food products : en
  • FR832502A - Differential expansion valve : en fr
  • FR832562A - Process for desulphurizing and purifying iron : en fr
  • FR832593A - Improvements to machines for trellising and softening leathers, skins and other similar materials : en fr
  • FR832393A - Multi-roll rolling mill : en fr
  • FR832669A - Process for preparing azo dyes : en fr
  • FR832380A - Device for the protection of plants against various pests : en fr
  • AT154326B - Electric capacitor. : de en
  • FR832365A - Improvements to vacuum actuated braking systems : en fr
  • FR832612A - Rotating tube furnace for thermal production of magnesium : en fr
  • US2131354A - Propellant explosive : en
  • US2131049A - Lamp and table construction : en
  • US2131155A - Aircraft : en
  • GB492928A - Improvements in and relating to methods of coating articles with highly reflecting surfaces : en
  • PL27050B1 - Method of securing building walls from moisture. : en pl
  • FR832647A - Process for the treatment of hemp seeds : en fr
  • US2131161A - Adjustable control for refrigerators : en
  • US2131486A - Fluid meter : en
  • FR832631A - Rolling second hand for children : en fr
  • DE665533C - Tongue frequency relay for overlay remote control systems : de en
  • PL27061B1 - Antenna system. : en pl
  • SU53850A1 - The method of obtaining a colorless resin of betulin : en ru
  • US2131234A - Uniform speed driving apparatus : en
  • FR832443A - Device for the purification of combat gases or others : en fr
  • US2131414A - Spring action friction block structure : en
  • FR832526A - New process for measuring the speed or acceleration of a mobile : en fr
  • GB492891A - A new or improved stapling mechanism : en
  • DE665641C - Machine for seeding flax stalks : de en
  • SU53801A1 - Drilling Tester : en ru
  • DE665441C - Friction wheel lighter with a pressure lever hinged on the side of the housing : de en
  • US2131384A - Working process for internal combustion engines and apparatus for carrying the same into effect : en
  • US2131402A - Logging apparatus : en
  • FR832550A - Method of manufacturing pneumatic tire casings and apparatus suitable for carrying out this method : en fr
  • FR832419A - Connection device for pipelines or pipes : en fr
  • FR832503A - Automatic regulator for pressurized fluids controls : en fr
  • FR832549A - Knitting Looms Improvements for Making Plush Knitwear : en fr
  • FR832623A - Thin wheel intended to serve as a blading support for radial turbines, in particular steam or gas turbines : en fr
  • DE665515C - Arrangement for signaling devices (lute works) in railway systems : de en
  • FR832318A - Method and device for the manufacture of knitted and knitted articles obtained by this method : en fr
  • GB492896A - Process for degasifying and killing liquid steels : en
  • DE627950C - Drive device for type cylinder typewriters, in which the type cylinder is rotated by electromagnets : de en
  • FR832468A - Process for the manufacture of lime : en fr
  • GB492959A - Improvements in or relating to connecting means for pipes or tubes : en
  • FR832411A - Roller curtain holder for curtain rods with snap pull : en fr
  • FR832498A - New process for manufacturing automobile brake linings : en fr
  • US2131209A - Marionette figure : en
  • GB493025A - Device for automatically locking cores in moulds : en
  • US2131117A - Globe type explosionproof fixture : en
  • US2131332A - Game : en
  • US2131550A - Toy : en
  • US2131195A - Production of drying oils : en
  • DE665480C - In particular, gas-filled discharge tubes which are used to emit rays and which are surrounded by a cover : de en
  • DK55261C - Insulation plate. : da en
  • US2131072A - Silver recovery : en
  • FR832345A - Systems used to send modulated electric currents to electromagnetic devices : en fr
  • ES144052A1 - Improvements in the methods for the construction of thin-walled pistons for internal combustion engines. : en es
  • FR832321A - Device for oligodynamic activation of water : en fr
  • GB492730A - Improvements in and relating to protective systems for electric circuits : en
  • GB492889A - Method for the production of seamless hollow bodies of cellulose derivatives : en
  • GB492918A - Improvements relating to means for fixing stair runners : en
  • US2131485A - Sound deafening supporting means for floors : en
  • US2131554A - Hygrometer : en
  • DE665628C - Stop display for vehicles : de en
  • GB492672A - Photographic printing process : en
  • CH200058A - Process for the preparation of ammonia carbamate. : en fr
  • AT154315B - Flexible line. : de en
  • US2131252A - Method of making flint clay brick : en
  • US2131594A - Table : en
  • CA376748A - Record controlled machine : en fr
  • AU399937A - Improvements in or relating to apparatus including a scanning discfor transmitting television and like purposes : en
  • CA376681A - Wood coke : en fr
  • CA376810A - Chimney fire extinguisher : en fr
  • CA376817A - Locomotive valve gear lock : en fr
  • CH200134A - Streamlined vertical spindle valve. : de en
  • PL27090B3 - Method for the preparation of estradiol esters containing mixed aliphatic-aromatic substituents. : en pl
  • US2131580A - Control circuits : en
  • PL27179B1 - Projection camera with color filters for displaying black and white images in full color. : en pl
  • PL27046B3 - Forks with four and three fingers. Dating patent to patent no. 26895. : en pl
  • CH200061A - Process for the preparation of a diphenyl series hydrazine. : de en
  • DE665484C - Drawer for self-sellers : de en
  • DE665648C - Verifiable, instantaneous safety disc : de en
  • FR832459A - Spark plug improvements : en fr
  • AT154330B - Braun tube. : de en
  • US2131346A - Method of and means for recording on a strip chart : en
  • US2131647A - Portable base : en
  • US2131177A - Wearing apparel : en
  • US2131353A - Propellant explosive : en
  • PL27121B1 - A set of high-quality steam accumulators and the procedure for the movement of a steam installation with a set of such accumulators. : en pl
  • CH200082A - Device for limiting the length of lines on machines for marking strips with parts of text. : de en
  • US2131519A - Method of refining cracked oil by using metallic soaps of naphthenic acid : en
  • DE665493C - Schuettelrutschenverbindungen with a screw, which passes through fastening approaches arranged in the longitudinal center under the base plate : de en
  • FR832591A - hand sprayer : en fr
  • CH200199A - Circuit arrangement for switching a load from one amplifier to another amplifier. : de en
  • PL27052B1 - Device for self-regulating electric transmission in tractors. : en pl
  • PL27139B1 - A handle for a door or window handle. : en pl
  • BE429613A - Stimulation of plant growth by seed treatment : en fr
  • CA376713A - Camera shutter trigger latch : en fr
  • CH200231A - Rail vehicle, especially for high travel speeds. : de en
  • US2131424A - Selective voice frequency relay : en
  • DE665593C - Pipe connection with pipe plates : de en
  • DE665615C - Process for coating the inner surfaces of pipes : de en
  • DE665691C - Process for the production of fat- and oil-splitting enzymes from plant seeds : de en
  • GB492777A - Device for automatically opening parachutes : en
  • GB493065A - Improvements in or relating to dry shaving machines : en
  • PL27118B1 - The method of producing androstenedione. : en pl
  • US2131082A - Process for preparing intermediate for hormone production : en
  • US2131204A - Indirectly heated thermionic cathode : en
  • FR832608A - Device and method for the mechanical connection of parts transmitting high frequency energy and in particular energy conduits : en fr
  • DE665524C - Grinding plant in which the material to be treated runs through a container that is set in motion : de en
  • US2131044A - Method of making building material : en
  • US2131180A - Method of mining coal : en
  • US2131526A - Liquid testing device : en
  • US2131370A - Welt holding mechanism : en
  • US2131548A - Suction nozzle : en
  • DE665568C - Hand sharpening device for knives : de en
  • DE665567C - Twin wheel for motor vehicles : de en
  • FR832369A - Lifting magnet : en fr
  • CH200249A - Process for the preparation of a pentakisazo dye. : de en
  • CH200303A - Device for bringing a book suspended from the same into the position of use on a desk or in the position of being out of use. : de en
  • US2131079A - Closure : en
  • US2131416A - Adjustable support for clotheslines and the like : en
  • USD111489S - Design for a handle for kitchen : en
  • FR832314A - Suction device for mephitic gases from watercloset cuvettes : en fr
  • FR832447A - Clamp for hanging brooms, dusters or other objects : en fr
  • US2131540A - Waist bearer and cross tie : en
  • CA376758A - Double glazed window : en fr
  • US2131719A - Method of improving the surface of copper and copper alloy castings : en
  • US2131681A - Concrete pump : en
  • USD111560S - Design for a dress : en
  • USD111563S - Design for a dress ensemble : en
  • SU53943A1 - Method for producing nonferrous metal sulphides from low-grade ores : en ru
  • DE665455C - Ampoule carrier insert : de en
  • CH200133A - Multiple spring leaf valve. : de en
  • DE665714C - Hollow bottom flap for hinged barges : de en
  • US2131202A - Simplified teleprinter and system : en
  • USD111543S - Design fob a dress : en
  • DE665532C - Electricity meter : de en
  • AU105177B2 - Anew or improved device for manipulating yarn, woven wool or other suitable fabric : en
  • CH200151A - Transformer for high voltages and variable capacitive loads. : de en
  • GB492717A - Improvements in mechanism for feeding goods through furnaces : en
  • CH200085A - Process for treating, in particular for refreshing color ribbons. : de en
  • GB492807A - Improvements in or relating to arrangements for regulating current and voltage in electric current converters : en
  • DE665494C - Bushing lock for pneumatic tubes that open into a common line : de en
  • FR832303A - Multiple suction nozzle for vacuum cleaning devices : en fr
  • GB492872A - Improvements in copy milling machines : en
  • AU350637A - An improved strap arrangement for supporting a rider ona bicycle : en
  • FR832664A - Sprayer particularly applicable for spraying various products on plants : en fr
  • GB492861A - Disintegrating mixer for producing fluent substances : en
  • FR832594A - Electric discharge tube and method of manufacturing this tube : en fr
  • AT154426B - Curtain pulling device. : de en
  • CH200052A - Filtered. : en fr
  • CH200230A - Rail tipping car. : de en
  • US2131601A - Food check punching device : en
  • AU405137A - Improvements in or relating to systems for generating and distributing electric power and particularly to generators for use therein : en
  • PL27122B1 - Feeding device for cooling pipes in combustion chambers of high-power boilers. : en pl
  • US2131111A - Protective shield for kitchen sinks and the like : en
  • US2131298A - Process for the photomechanical production of single- or multicolor pictures or writing on hard material : en
  • USD111488S - Design fob a bug : en
  • CH200225A - Bottom bracket transmission change gear on bicycles. : de en
  • CH200264A - Process for the production of a vat dye. : de en
  • DE665430C - Process for the preparation of dyes of the anthraquinone series : de en
  • CH200025A - Electrically heatable fabric. : de en
  • USD111486S - Design for an accordion : en
  • CH200149A - Central cooling system. : de en
  • US2131060A - Over-all snap lock protector for fuel tank caps : en
  • CH200142A - Magnetic wheel. : de en
  • US2131039A - Fine grain translucent screen : en
  • US2131076A - Aluminum alloy and process for making the same, piston and piston ring formed from said alloy : en
  • US2131287A - Double boiler : en
  • DK55265C - Apparatus for dropping proof Filling of scratch springs and similar tools. : da en
  • GB493005A - Improvements in and relating to the manufacture of products comprising dextrose : en
  • PL27101B1 - Spring-loaded stop to the mandrel of the animal slaughter gun. : en pl
  • US2131186A - Method of forming brake drums : en
  • US2131074A - Agglomerating comminuted zinciferous materials : en
  • US2131329A - Liquid feed control device : en
  • DK55269C - Fuel Injector for Internal Combustion Engines. : da en
  • CA376702A - Rubber plasticizing method : en fr
  • US2131086A - Means for measuring yarn in pirn and like winding apparatus : en
  • US2131327A - Live center : en
  • US2131537A - Steam dome : en
  • FR832401A - Preparation of colors for the decoration of ceramic objects by projection : en fr
  • US2131142A - Addition products of glycide : en
  • US2131534A - Fly swatter blade : en
  • PL27113B1 - A device for dispensing gasoline or similar hydrocarbons. : en pl
  • AU105195B2 - Improvements in telephone systems employing link circuits : en
  • DE665501C - Valve plug for electrolytic capacitors : de en
  • US2131098A - Coloration of materials : en
  • US2131608A - Protective apparatus : en
  • CA376802A - Printing plate : en fr
  • USD111495S - Design for sunglasses : en
  • CA376738A - Fluoro sulphonic acid : en fr
  • CH200227A - Self-propelled inclined plane installation. : en fr
  • CA376735A - Fuel gas producing apparatus : en fr
  • PL27161B1 - Bolted connection. : en pl
  • DE659649C - Ceiling connector : de en
  • AT154379B - Multi-layer photosensitive products and methods for their processing and manufacture. : de en
  • DE663746C - Boiler cleaning device with flexible shaft : de en
  • DE665453C - Device for generating group flashing signals : de en
  • US2131189A - Mining apparatus : en
  • FR832589A - Improvements to automatic caps : en fr
  • GB492828A - Improvements relating to bedstead fittings : en
  • US2131451A - Device for separating a mixture of fine and coarse material particles : en
  • CH200275A - Process for the preparation of a condensation product of the anthraquinone series. : de en
  • US2131400A - Slip : en
  • US2131069A - Manufacture of core elements : en
  • US2131288A - Power drive device : en
  • DE665665C - Leap brush mat : de en
  • DE665584C - Device for the blow-out operation in internal combustion engines operated with a centrifugal blower : de en
  • US2131179A - Mining machine feeding mechanism : en
  • US2131350A - Treatment of substances containing tantalum and/or niobium : en
  • FR832432A - Pocket plan : en fr
  • GB492792A - Improvements in or relating to the manufacture of ply-wood or laminated wood : en
  • GB493064A - A process for the electrothermic production of compact metallic magnesium by reduction of oxidic magnesium compounds : en
  • GB492890A - Improvements in or relating to the insulation of high frequency electric conductors : en
  • GB492961A - Cathode ray tube arrangement for television : en
  • CH200119A - Method of making files with a double cut. : de en
  • CH200095A - Assembly device for construction elements intended for the establishment of toys, models or displays. : en fr
  • AT154334B - Ceiling rose for drawers. : de en
  • AU105214B2 - Improvements in or relating to secondary emission electron multipliers : en
  • US2131083A - Suspension for vehicles : en
  • PL27174B1 - A method of preserving plant and animal crops by drying, and a drying device in this way. : en pl
  • US2131622A - Odometer reset mechanism : en
  • AT154365B - Process for the production of azo colors. : de en
  • CH200039A - Smoothing machine. : de en
  • CH200289A - Process for the production of a copolymer. : de en
  • US2131473A - Stapling machine : en
  • AT154376B - Process for the production of welded masses using phenol carbonyl condensation products. : de en
  • CH200000A - Noise protection device for liquid lines. : de en
  • CH200150A - Rotor-fed three-phase shunt commutator motor with speed control by means of brush displacement (Schrage motor). : de en
  • US2131621A - Sewing machine : en
  • PL27103B1 - Accounting machine. : en pl
  • US2131506A - Lock : en
  • CH200291A - Process for the production of a copolymer. : de en
  • CH200017A - Collapsible chair. : de en
  • DE665655C - Grinding device : de en
  • AU105145B2 - An improved method of tanning hides and skins : en
  • GB492895A - Improvements in or relating to films, filaments and other shaped articles made by hardening proteins coagulated from their solutions : en
  • PL27170B1 - Cash register. : en pl
  • US2131078A - Closure for receptacles : en
  • US2131340A - Movement for operating signs, advertising devices, and the like : en
  • US2131379A - Viscometer : en
  • PL27083B1 - A device for the projection of plastic images for the viewer of images, especially light images. : en pl
  • PL27075B1 - A device for carrying out a gas-liquid reaction or between two or more immiscible liquids with different specific gravities. : en pl
  • US2131140A - Cycle saddle : en
  • US2131525A - Separating treating solutions from petroleum oils : en
  • US2131695A - Inside wind coilable measuring rule : en
  • US2131449A - Pneumatic polishing wheel : en
  • CH200146A - Steam boiler system. : de en
  • DE665458C - Device for the ventilation of electrical machines with funnel-shaped expanded cooling channels at their entrances and exits : de en
  • FR832528A - Further development in electrolytic refining of aluminum : en fr
  • DE663295C - Process for the production of sports shirts from creasable knitted fabrics : de en
  • FR832521A - Carburetor improvements : en fr
  • FR832605A - Adjustable endless cable control for shifting by derailleur for bicycles and the like : en fr
  • US2131465A - Prefabricated building : en
  • AT154331B - Metal vapor discharge tube with glow electrodes. : de en
  • US2131652A - Composite floor for buildings and like structures : en
  • AT154306B - Absorption chiller acting in sections. : de en
  • US2131102A - Process for the operation of smelting and reducing furnaces : en
  • US2131398A - Apparatus for cleaning grounds : en
  • US2131236A - Rotary meter : en
  • US2131682A - Apparatus for mixing concrete and the like : en
  • PL27105B1 - A method for introducing liquids into loose masses, and an apparatus and nozzle for applying the method. : en pl
  • US2131559A - Frequency measuring system : en
  • AU105190B2 - Improvements in radio receivers for direction finding or course indicating systems : en
  • US2131035A - Magnetic speed changer : en
  • US2131073A - Manufacture of expanded rubber : en
  • US2131411A - Convertible article of furniture : en
  • US2131578A - Monitoring circuit for telephone systems : en
  • US2131597A - Coin controlled metering device : en
  • US2131709A - Metal treating : en
  • PL27116B1 - Device for holding reeds parallel to each other while manually tying them into mats. : en pl
  • CH200113A - Lens mirror system for the projection of television images. : de en
  • CA376704A - Light controlling mechanism : en fr
  • CA376724A - Copyholder for copying machines : en fr
  • US2131320A - Printing with mordant dyestuffs : en
  • US2131504A - Solid weave scanning apparatus : en
  • CH200128A - Pliers and hammer combined tool. : de en
  • CA376678A - Mercurial electric cut-out : en fr
  • CH200173A - Process and radiator for generating high temperatures. : de en
  • DE665270C - Device for wet treatment of tissues with tissue return : de en
  • CH200126A - Device for reworking the abutting surfaces of piston rings. : de en
  • CH200204A - Method and device for reducing interference with radio reception. : de en
  • CH200081A - Attachment to die setting and line casting machines. : de en
  • US2131292A - Fuse ejector : en
  • PL27163B1 - A method for separating mixtures of liquids of various viscosities and a drum for using this method. : en pl
  • US2131466A - Prefabricated building : en
  • US2131251A - Window structure : en
  • US2131254A - Method and apparatus for manufacture of electrodes for electron discharge tubes : en
  • DE665477C - Circuit arrangement for generating very high amplifications : de en
  • US2131355A - Refrigerating system for cooling or heating : en
  • DE665673C - Switching device for gradually moving stacking belts : de en
  • DK55259C - Stove with Evaporator Burner. : da en
  • US2131319A - Method and apparatus for making composite caps : en
  • US2131062A - Treatment of metal : en
  • US2131229A - Dog's plaything : en
  • US2131020A - Vacuum control of spark advance : en
  • CA376752A - Chain fastener : en fr
  • DE665571C - Method and device for filling various types of goods into bags : de en
  • US2131684A - Weighing apparatus : en
  • AT154429B - Scythe blade holder. : de en
  • DK55264C - Method and Apparatus for Placing a Connecting Envelope of Flexible Material Around Fragile Objects. : da en
  • US2131221A - Burner and control unit for furnaces : en
  • CA376739A - Vinyl ether production : en fr
  • PL27145B1 - manufacture of hollow objects from a solution of cellulose acetate or similar plastics. : en pl
  • US2131453A - Rotary compressor : en
  • US2131476A - Wheel suspension device for automobiles : en
  • USD111508S - Design fob a phonograph cabinet : en
  • US2131356A - Scaffold horse : en
  • PL27054B1 - ^ & aL, V 1 (90 rotary combustion engine with rotating pistons. : en pl
  • DE665440C - Vulcanizing machine for the continuous vulcanization of rubber belts or the like. : de en
  • DE665481C - Bottle-like container for cooling the forehead : de en
  • FR832637A - electric storage heating element, particularly for cookers, water heaters and the like : en fr
  • FR832652A - Tubular spool sealing system applicable to two-stroke internal combustion engines with tubular spool distribution : en fr
  • GB493063A - Improvements in or relating to rotary hand tools : en
  • PL27135B1 - A cap for bottles and the method of its production. : en pl
  • DE665684C - Common drive for shaking plate separators with rotating discharge rollers : de en
  • USD111530S - Design for a wrist watch case : en
  • US2131218A - Dispensing device : en
  • CH200274A - Process for the preparation of a condensation product of the anthraquinone series. : de en
  • USD111547S - Design for a rotary ventilator : en
  • AU101438A - Improvements in centrifugal fan : en
  • AU242637A - Electrical synchronisation generator : en
  • AT154349B - Device for investigating the composition and structure of substances by measuring the thermoelectric voltage that occurs when they come into contact with a contact body. : de en
  • AU105196B2 - Improvements in or relating to apparatus including a scanning discfor transmitting television and like purposes : en
  • CH200187A - Perm device. : de en
  • BE429840A - Negative holder : en fr
  • US2131662A - Apparatus for conditioning and dispensing lacquers, enamels, and the like : en
  • PL27117B1 - A method of heating materials in rotary kilns by means of an electric current, and an apparatus for carrying out the method. : en pl
  • DE665575C - Box for cigars, cigarettes or the like with a hinged lid : de en
  • DE665688C - Double fold bending device with rotating bending bar : de en
  • GB492811A - A process for the production of compositions comprising rubber and artificial resins : en
  • GB493006A - Improvements relating to gas heated apparatus for warming rooms : en
  • CH200171A - Selenium metal rectifier unit. : de en
  • CH200221A - Anti-skid device. : de en
  • FR832368A - Propulsion track for tractors or other applications : en fr
  • US2131595A - Twin cylinder engine : en
  • US2131650A - Fruit whip and process for the preparation thereof : en
  • US2131219A - Portable back support for seats : en
  • PL27053B1 - Alloys for electric resistors. : en pl
  • US2131431A - Free-mixing finely divided material and method of inhibiting its normal flocculationor cohesion : en
  • AU37138A - Improvements relating togas ignition appliances : en
  • AU7138A - Improvement in catch means for shutter release on camera body : en
  • PL27127B1 - Gas mask with a large field of view. : en pl
  • US2131496A - Toy or game apparatus : en
  • AU62738A - Improvements in or relating to windows having coupled sashes : en
  • CA376766A - Brake slack adjuster : en fr
  • FR832371A - Rolling bearing comprising rollers arranged between the supporting rolling elements : en fr
  • US2131137A - Washing process for textile materials : en
  • US2131065A - Resistance thermometer : en
  • US2131487A - Cartridge for lubricants or the like : en
  • AT154382B - Refractory body and process for its manufacture. : de en
  • CH200148A - Ice cream machine. : de en
  • US2131675A - Table structure : en
  • CH200251A - Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers. : de en
  • AT154435B - Rail joint connection by means of two-part combined flat and foot straps rotatably mounted in the rail chambers. : de en
  • CH200074A - Apparatus for projecting sprayed bodies in the molten state at high temperature on objects of all kinds. : en fr
  • AT154402B - Process for the production of a highly dispersed pigment. : de en
  • CA376692A - Spring plate : en fr
  • AT154411B - Fertilizer spreader. : de en
  • CH199986A - Masonry. : de en
  • CH200026A - Cooking equipment. : de en
  • CA376744A - Sedimentation apparatus : en fr
  • CH200105A - Device for checking the connection of three-phase electricity meters. : de en
  • AT154385B - Process for removing the layers of used films or film waste with alkali without special mechanical treatment. : de en
  • CH200260A - Process for the production of a vat dye. : de en
  • CH200265A - Process for the production of a vat dye. : de en
  • DE665565C - Electromagnet for temperature-dependent control of valves : de en
  • FR832396A - Signal translation device for telegraph receiving and printing apparatus : en fr
  • FR832343A - Hotplate adjustment method : en fr
  • DK55254C - Device with Feedback Coils. : da en
  • DE665464C - Coreless induction melting furnace in which the metal is melted under a layer of slag : de en
  • US2131163A - Coin controlled binoculars : en
  • FR832311A - Tanning process with tanning products containing aluminum : en fr
  • FR832596A - Apparatus for projecting images, in particular cinematographic images : en fr
  • CA376688A - Folding machine : en fr
  • CA376707A - Camera : en fr
  • CA376716A - Photographic apparatus masking arrangements : en fr
  • CA376756A - Girdle : en fr
  • GB492832A - A process for treating cellulosic materials such as paper and fabrics to make them resistant to water : en
  • CA376712A - Motion picture apparatus warning signal : en fr
  • AT154377B - Process for the production of a preparation for the preparation of copper-lime broth. : de en
  • AU506137A - Rubber vulcanization accelerators and use thereof : en
  • CA376798A - Germicidal compound : en fr
  • FR832302A - Fully automatic filter press : en fr
  • GB492880A - Improvements relating to vehicle brakes : en
  • CA376808A - Paper cup : en fr
  • GB492906A - A process for the production of rubber like products : en
  • CH200097A - Support for machine guns. : en fr
  • CH200220A - Pneumatic tire casing and method of making the same. : de en
  • AU426638A - Process for converting saturated masses into thin threads : en
  • PL27063B1 - Shaft furnace with a device for feeding flammable gases and exhaust gases under the grate for additional combustion, especially for heating furnaces. : en pl
  • US2131439A - Machine for cooling cream and like products : en
  • US2131479A - Loading hoist : en
  • US2131380A - Multi-ply manifolding roll : en
  • CH200152A - Adjustable reactance transformer. : en fr
  • AT154370B - Process for the preparation of pyrazolone compounds. : de en
  • CH200064A - Process for the production of a new stain dye containing metal hall. : de en
  • CH200164A - Overcurrent switch. : de en
  • CH200044A - Body clothing. : en fr
  • FR832543A - Lower fireplace walls : en fr
  • AT154389B - Exchange device with smooth and corrugated or embossed partitions. : de en
  • AT154438B - Method and device for cooling vehicles with liquid transmissions. : de en
  • DE665448C - Tool for removing bottle caps : de en
  • AT154361B - Method and device for the production of metallic coatings from metals vaporized by means of an electric arc in a chamber. : de en
  • AT154424B - Gear pinion. : de en
  • GB492734A - Improvements in or relating to the manufacture of organic glass, metal and glass coatings or the like : en
  • USD111548S - Design for a dress or similar article : en
  • DK55271C - Drum heater. : da en
  • US2131377A - Grater : en
  • US2131607A - Control system : en
  • US2131331A - Tool for use in knitting machines : en
  • DE665566C - concrete pump : de en
  • DE665637C - Arrangement for the operation of converting devices for converting direct or alternating current by means of grid-controlled discharge paths : de en
  • GB492739A - Improvements in or relating to the manufacture of casks of plywood having metallic coatings : en
  • GB492972A - New or improved folding wardrobes, cupboards and the like : en
  • PL27094B1 - A device securing the tightness of tanks, especially those used in aviation. : en pl
  • US2131558A - Selective high frequency oscillator system : en
  • CA376771A - Spring and dowel means : en fr
  • GB493022A - A new or improved log splitting tool : en
  • GR7683B - AUTOMATIC PILLARS FOR DOORS AND WINDOWS. : el en
  • GB493121A - Improvements in and relating to spring frames for articles of furniture for reclining purposes : en
  • US2131158A - Continuously variable transmission : en
  • US2131637A - Pneumatic organ : en
  • DE665596C - Arrangement for commutation in converting devices with controlled discharge paths : de en
  • AT154434B - Contact device, in particular for railway safety devices. : de en
  • CA376679A - Incandescent lamp and flasher : en fr
  • CH200233A - Section insulator for traction lines. : en fr
  • GB492878A - Improvements in or relating to high lift safety valves for steam boilers : en
  • FR832341A - Process for coating interior surfaces of pipes : en fr
  • GB492865A - Improvements in shock-absorbers for vehicles : en
  • GB492834A - Improved means for protecting sheaths of electric cables, pipes and other metal articles against corrosion : en
  • FR832385A - Improvements in rubber-based compounds or products and their manufacturing processes : en fr
  • GR7680B - COMPACT PLASTIC MASS : el en
  • GB492884A - Button with helical pin for quick attachment to cloth or similar materials : en
  • GB492973A - A rotary flow indicator and alarm : en
  • GB492879A - Improvements relating to fishing reels : en
  • GB492877A - Improvements in or relating to button-hole sewing machines : en
  • CH200114A - Process for treating materials containing tantalum and niobium to obtain a niobium alloy. : en fr
  • FR832541A - Removable furnace for carbonization of wood and other combustible products : en fr
  • PL27188B1 - Heating plate, enabling the use of thin-bottomed dishes. : en pl
  • GB492784A - Ski-ing accessory : en
  • GB492995A - Improvements in tractor wheels : en
  • GB493104A - Process for the manufacture of diazotisable dyestuffs : en
  • FR832375A - Shorthand typewriter keyboard : en fr
  • US2131124A - Unitary bathroom structure : en
  • GB493105A - Drop-bottle : en
  • GB492902A - Improvements in the manufacture and production of azo dyestuffs containing metal : en
  • GB493004A - Improvements in the manufacture of glass sheets, and particularly in their continuous manufacture by means of rotating devices or rollers exposed to heat : en
  • US2131270A - Storage tank : en
  • USD111536S - Design for a toilet article case : en
  • DE665700C - Device for the compensation of the interference signal occurring in cathode ray scanners for television purposes : de en
  • DE665537C - Self-seller with a conveyor belt arranged in a horizontal shaft : de en
  • DE665550C - Rotary stencil printer with an inking unit arranged inside the printing drum : de en
  • DE665689C - Method of packing women's socks for sale : de en
  • FR832482A - Volumetric meter for measuring liquids without pressure : en fr
  • FR832499A - Device for spreading glue : en fr
  • US2131046A - Lipstick container : en
  • US2131291A - Signal system for excavators : en
  • FR832487A - Improvements to endless chains forming tracks : en fr
  • DE665591C - Slit filter, especially for lubricating oils, fuels and gases : de en
  • FR832360A - Machine for the manufacture of tubes by the centrifugal casting process : en fr
  • GB492870A - Improvements in and relating to machines for forming the bodies of sheet metal containers : en
  • US2131257A - Drying apparatus for web printing presses : en
  • FR832486A - Silencers for engines : en fr
  • GB492909A - An improved tubular and tapered metal mast, pole or like structure and method of making same : en
  • ES144154A1 - A manufacturing process for shortenings composed of fish, shellfish or crustaceans-shellfish. : en es
  • FR832615A - Improvements to electric clocks : en fr
  • GB492776A - The manufacture of condensation products : en
  • GB492793A - Improvements relating to the mounting of windows and like panels in frames : en
  • US2131337A - Vehicle stake : en
  • FR832471A - Device for mounting electric brushes : en fr
  • GB493101A - Improvements in the treatment of antitoxins and the like : en
  • CA376690A - Metallic container : en fr
  • GB493040A - Improvements to containers for cosmetics and the like : en
  • US2131152A - Typewriting machine : en
  • DE665685C - Device for processing fiber materials, in particular asbestos : de en
  • PL27146B1 - A method of producing hollow objects from a solution of cellulose acetate or similar plastic masses. : en pl
  • US2131323A - Method and means for composing relief printing plates : en
  • AT154332B - Device for the joint operation of thermal radiators, in particular incandescent lamps and electrical discharge tubes. : de en
  • CH200207A - Device for remote control of a setting device. : de en
  • CH200226A - Ski lift. : de en
  • US2131636A - Tire construction : en
  • GB492868A - Speed changing gear for machine tools, more particularly for lathes : en
  • CH200294A - Valve with exchangeable valve seat body. : de en
  • GB492737A - Improvements in and relating to cameras : en
  • GB493042A - Improved method of making porcelain dentures, dental parts and the like : en
  • GB493124A - Improvements in or relating to holding means for sound-receiving apparatus : en
  • FR832395A - Coupling device for a shaft, intended in particular for teleprinter operating according to the start-stop system : en fr
  • GB492935A - Extensible roller chain : en
  • US2131068A - Draft connection for trailers : en
  • DE665622C - Signaling device for displaying the sequence of events : de en
  • US2131324A - Soil working implement : en
  • FR832525A - New process for transmitting indications relating to the occupation of certain positions by a mobile and for measuring the speed or acceleration of a mobile : en fr
  • US2131565A - Automatic device for effecting telephone calls and transmitting signals : en
  • US2131248A - Infant's garment : en
  • PL27171B1 - Hydrocarbon oil, especially lubricating oil. : en pl
  • AU32538A - Improvements in thin walled plated pistons : en
  • GB492813A - Improvements in or relating to apparatus for surfacing sheets of zinc or copper : en
  • FR832696A - Electrolytic capacitor : en fr
  • CA376763A - Cement aerating apparatus : en fr
  • CA376805A - Trousers : en fr
  • GB492678A - Improvements in or relating to the feeding of strip material : en
  • GB492841A - Improvements in vehicle suspension systems : en
  • US2131183A - Apparatus for lifting liquids : en
  • US2131089A - Activating and maintaining the activity of dehydrogenation catalysts : en
  • US2131279A - Framer for rafters : en
  • PL27096B1 - The drive device from the worker's station shears for cutting the moving rolled material. : en pl
  • FR832475A - Device for continuous condensation of water polluting the operating oil of steam engines : en fr
  • FR832519A - Amplifier device : en fr
  • DE665540C - Manufacture of metallic coatings on metal bodies : de en
  • CH200287A - Process for the preparation of an acidic dye. : de en
  • DE665476C - Process for the preparation of amide-like condensation products of aromatic sulfonic acids : de en
  • GB492709A - Improvements in or relating to coiled water-tube steam generators : en
  • GB492987A - Process for the manufacture of 4-hydroxy-1-aminonaphthalene-8-carboxylic acid and of 4-hydroxynaphthostyril : en
  • CH200293A - Aerial bomb. : de en
  • GB492770A - Improvements in and relating to cavity bricks for building purposes : en
  • GB492923A - An improved process for producing a phosphorescent zinc sulphide composition : en
  • CH199994A - Railway superstructure. : de en
  • CH200161A - Procedure for adjusting the resistance values of ground resistors. : de en
  • DE665626C - Strip cutter : de en
  • AT154417B - Direction indicators for bicycles and motorcycles. : de en
  • US2131422A - Extraction process : en
  • US2131023A - Cover for necktie knots : en
  • GB492705A - Improvements in or relating to remote control systems : en
  • CA376703A - Rubber colouring composition : en fr
  • CH200224A - Planetary change gear on freewheel hubs with coaster brake. : de en
  • CA376710A - Double exposure prevention camera : en fr
  • DE665610C - Method of preserving eggs : de en
  • GB492905A - Manufacture of sulphonation products : en
  • GB492917A - An improvement in or relating to sieves : en
  • GB492925A - Improvements in and relating to machines for bending wire : en
  • FR832694A - Work carriers for shoemaking machines, in particular end fitting machines : en fr
  • DE665470C - Method for the mechanical reinforcement of objects made of porcelain, glass, fireclay o. The like. : de en
  • GB493131A - Improvements in or relating to expansion bolts : en
  • US2131708A - Illuminated board for draftsmen or the like : en
  • US2131307A - Chill for continuous string casting : en
  • US2131435A - Handbag lock mounting : en
  • US2131450A - Cereal food process : en
  • US2131716A - Detachable barrel construction for firearms : en
  • USD111510S - Design for a combined weighing : en
  • GB493030A - Improvements relating to yeast and yeast containing substances and comestibles made therefrom : en
  • US2131168A - Advertising machine : en
  • GB492838A - Improvements in or relating to processes for the production of lines or designs on aluminium or its alloys : en
  • GB492849A - Steering mechanism for motor-vehicles : en
  • FR832460A - Improvements in means to improve the shooting qualities of firearms : en fr
  • CH200183A - Process for preparing the alpha-phenyl-n-valerate of diethylaminoethanol. : en fr
  • US2131061A - Propellant explosive : en
  • US2131484A - Heater : en
  • GB492681A - Improvements in or relating to metallizing surfaces : en
  • GB492866A - Improvements in or relating to pirns for shuttles : en
  • GR7678B - LIFEBALL ZONE. : el en
  • FR832406A - Improvements to processes for preparing coal and other materials : en fr
  • FR832571A - Pressurized water massage device : en fr
  • GB492829A - Improvements in or relating to hydraulic extrusion presses such as are used for the manufacture of tubes made of lead and other metals : en
  • DE665525C - Device for monitoring electrical lighting systems, in particular for motor vehicles : de en
  • FR832599A - Electrical measuring instruments : en fr
  • GB492752A - Improvements in and relating to electric indicating systems : en
  • AT154358B - Process for the electrolytic pickling of workpieces made of metal and metal alloys, especially iron and iron alloys. : de en
  • FR832410A - Bearings for receiving rollers of textile machines : en fr
  • FR832359A - Stretch and adjustable ankle : en fr
  • AU105209B2 - An improved mixing bowl : en
  • CA376803A - Figure toy : en fr
  • GB492967A - Improvements in and relating to envelopes : en
  • GB492984A - Improvements in thermionic valve circuits : en
  • FR832431A - Improvements to electric remote controls with progressive adjustment : en fr
  • GB492718A - An improvement in or relating to moulds for the casting of metals : en
  • FR832645A - Photographic materials, in particular materials containing silver halide : en fr
  • FR832312A - Elastic metal padding system : en fr
  • GB492933A - Improved means for securing cutters in cutter blocks of wood-working machinery : en
  • IS105B6 - A method for improving the smell and taste of oils and oily substances : en is
  • GB492769A - An improvement in or relating to the hinging of doors, gates, windows, or the like : en
  • GB492800A - Improvements in or relating to stereoscopic cameras : en
  • DE665541C - Cassette changing device for X-ray recordings : de en
  • DE665379C - Arrangement for controlling power converters : de en
  • ES143995A1 - PROCEDURE FOR THE PREPARATION AND PURIFICATION OF COMPOUNDS OF THE CORTICAL-ADRENAL HORMONE SERIES : en es
  • FR832551A - Improvements to boxes or cabinets for loudspeakers : en fr
  • CH200079A - Picture booklet for holding and exchanging art sheets, cards, photo pictures and the like. : de en
  • CH200103A - Facility for direct registration of at least three processes on a tape. : de en
  • FR832332A - Clock : en fr
  • US2131262A - Cash register : en
  • US2131551A - Mechanical pencil : en
  • GB492844A - Improvements in cooking and heating apparatus burning solid fuel : en
  • DE665497C - High frequency barrier : de en
  • DE665546C - Device for checking the tightness of pipe connections : de en
  • FR832680A - Bright field divider : en fr
  • GB492922A - Improvements in projectors for cinematograph picture-sound films : en
  • PL27141B1 - Plant for the preparation of an acid solution of calcium sulphite. : en pl
  • US2131206A - Preservation of rubber : en
  • GB493020A - Method and apparatus for heating metal to be rolled : en
  • DK55273C - Advertising apparatus. : da en
  • US2131032A - Position indicator : en
  • US2131587A - Refrigerator display case : en
  • US2131100A - Weather protector : en
  • US2131139A - Reclaimed lubricant : en
  • USD111551S - Design for a combined hood and cas : en
  • GB493029A - Improvements in and relating to electric irons : en
  • FR832504A - Two-sided automatic dump bucket : en fr
  • US2131269A - Switch structure : en
  • US2131669A - Sound reproducing apparatus : en
  • US2131048A - Muzzle loading miniature mortar : en
  • AT154413B - Method and device for compacting track beds. : de en
  • CH200035A - Lockstitch shoe sewing machine. : de en
  • CH200086A - Letterpress printing, also for multi-color printing. : de en
  • FR832479A - Acoustic warning device : en fr
  • FR832565A - Improvements to aircraft, in particular airplanes, incorporating combat armaments : en fr
  • FR832517A - Junction box for connecting to a radiophonic receiver station either the station loudspeaker or an additional electrodynamic loudspeaker : en fr
  • FR832688A - Lifting propeller with movable blades around flapping and oscillation joints : en fr
  • GB492875A - Improvements relating to two-stroke uniflow internal combustion engines and more particularly to the exhaust valve mechanism for such engines : en
  • USD111512S - Design for a cover for a vacuum : en
  • DE665467C - Device for starting and stopping an electrically powered cinematographic demonstration apparatus : de en
  • AT154371B - Removable covers for rollers, plates or conveyor tracks that have an inking, wiping or analogous effect during printing. : de en
  • GB492835A - Improvements in wafer biscuit cups or cones : en
  • FR832636A - Carburetor for combustion engines : en fr
  • GB492679A - Improvements in or relating to vulcanising and similar presses : en
  • USD111525S - Design for a motor-scooter : en
  • US2131532A - Vehicle brake : en
  • DK55258C - Bag-shaped duvet cover. : da en
  • GB492683A - Improvements relating to press moulds for moulding glasswear : en
  • US2131666A - Apparatus for dehydrating viscous materials : en
  • GB492809A - Improvements relating to variable electric resistances, condensers or inductances : en
  • DK55253C - Device at Bogier for Railway Wagons. : da en
  • US2131191A - Dispersion of olefines in acid polymerization : en
  • US2131359A - Method of punching multicolor printing plates : en
  • US2131640A - Automatic circuit breaker : en
  • FR832390A - Quick closure with superimposed and invisible elements : en fr
  • GB492912A - Improvements in, or relating to, electrical couplings of the plug-and-socket type : en
  • DE665543C - Method and device for the production of wool-like yarn from rayon : de en
  • US2131075A - Clutch operating mechanism : en
  • US2131216A - External combustion engine : en
  • US2131397A - Steak slicing and dicing machine : en
  • US2131507A - Valve operating mechanism : en
  • FR832542A - Process for the preparation of drugs against malaria : en fr
  • FR832630A - Motor-driven device for straightening the pins and returning the ball, in bowling games : en fr
  • CA376750A - Prepayment device coin inlet : en fr
  • US2131253A - Incandescent lamp : en
  • US2131326A - Dump trailer : en
  • GB493015A - Method of and machine for making electrodes for electric arc welding : en
  • FR832520A - Improvement in electrical devices for the remote transmission of the positions of a moving object in continuous rotation : en fr
  • FR832619A - Process for producing embellishment effects on textile bodies with surfaces : en fr
  • FR832653A - Improvements to edge dyeing machines for leather parts used in the manufacture of shoe uppers : en fr
  • GB492836A - Improvements in and relating to carbonisation processes and apparatus therefor : en
  • US2131425A - Basket : en
  • FR832532A - Fresnel dioptric lens enhancements : en fr
  • GB493068A - Improvements in automatic switches for use in telephone or like systems : en
  • USD111487S - Design for a handkerchief : en
  • FR832582A - Seaplane : en fr
  • BE429829A - : en
  • US2131408A - Tackle box tray : en
  • US2131668A - Package wrapping machine : en
  • CH200109A - Sound lamp housing with optics attached to a sound film device. : de en
  • US2131391A - Display carton : en
  • US2131447A - Chlorine dioxide : en
  • AU105210B2 - Improvements in egg-carrying devices : en
  • BE429496A - : en fr
  • CH200042A - Maternity corset. : de en
  • PL27181B1 - Automatic device for moving the rotor in mixers. : en pl
  • US2131467A - Prefabricated building : en
  • AT154362B - Process for the production of protective coatings. : de en
  • DE664198C - Device for chopping and tearing, in particular fresh roughage : de en
  • US2131613A - Internal brake : en
  • US2131203A - Television method : en
  • US2131394A - Production of vegetable concentrates : en
  • US2131442A - Lamp shade : en
  • US2131468A - Taper boring machine : en
  • AU105161B2 - Improvements in and relating to jolting or concussional apparatus or use inthe centrifugal moulding of concrete pipes andthe like : en
  • AU105174B2 - Electrical synchronisation generator : en
  • CH200048A - Shoes that protect against the cold. : de en
  • CH200177A - Apparatus for the artificial generation of climatic healing factors for therapeutic purposes. : de en
  • PL27097B1 - The method of producing leucoosters of the anthraquinone-azole dyes. : en pl
  • AT154324B - Band filter. : de en
  • CA376784A - Weaving loom : en fr
  • PL27149B3 - A method of carrying out chemical reactions at high temperatures. : en pl
  • US2131670A - Expanded metal lath : en
  • CH200169A - Single anode rectifier. : de en
  • AU400037A - Electrodynamic loud speaker with combined yoke and transformer : en
  • CH199984A - Straw lifting device on binding mowers. : de en
  • CH200153A - Arrangement for the compensation of harmonics generated in a network by useful windings of electrical devices and machines with iron cores. : de en
  • AT154390B - Electric gas switch. : de en
  • US2131673A - Tank-carrying truck : en
  • US2131434A - Sending channel assigner : en
  • AT154321B - Working pit for cars. : de en
  • CH200016A - Seating. : de en
  • US2131446A - Device for molding frozen confections : en
  • US2131169A - Cracking and extracting hydrocarbon oils with a selective solvent : en
  • USD111546S - Design fob a combined bottle display : en
  • FR832621A - Transmission device for combinations of pulses, in particular for telegraph receivers : en fr
  • FR832671A - Rotary piston compressor, two or more cylinders : en fr
  • GB492783A - Improvements in or relating to extensible electrical conductors : en
  • US2131311A - Necktie pin : en
  • PL27084B1 - Oil-fired oil firing device with steam spraying, especially for motor vehicles. : en pl
  • AT154401B - Process for coloring molded artificial products. : de en
  • AU105207B2 - An improved display stand for dress and other materials : en
  • CA376806A - Suction cleaning tool : en fr
  • DE665614C - Process for the conservation of art treasures : de en
  • US2131563A - Cathode ray tube : en
  • US2131583A - Individual compartment construction for luggage : en
  • AT154440B - Luggage racks, in particular for bicycles. : de en
  • CH200032A - Process for the manufacture of a yarn of roving fibers, apparatus for carrying out this process and yarn obtained by means of this process. : en fr
  • CH200072A - Process for the production of shaped structures from chloroform-soluble acetyl cellulose. : de en
  • US2131258A - Iodo-phenylphenols : en
  • US2131433A - Baking powder and method of improving the keeping qualities of the same : en
  • US2131238A - Combined can opener and dispenser for oil, antifreeze material, and the like : en
  • DE665486C - Device for the machining of rod-shaped bodies with an elliptical cross-section : de en
  • DE665506C - Infusion bags for preparing coffee in measured quantities : de en
  • FR832658A - Plant fiber treatment process : en fr
  • US2131464A - Prefabricated building : en
  • AT154387B - Process for the production of dried vegetable products. : de en
  • CA376687A - Knitting machine feeding mechanism : en fr
  • AU105219B2 - Improvements in means for displaying wearing apparel andother goods : en
  • AT154412B - Seed drill. : de en
  • AT154386B - Dowelling agents. : de en
  • CH200101A - Device for controlling the workpiece transport when transferring a division to a workpiece. : de en
  • DE665627C - Device for the electrolytic continuous production of nitrogen trichloride : de en
  • PL27130B3 - Process for the production of tertiary carbinols of the cyclopentane-polyhydro-phenanthrene series. : en pl
  • US2131143A - Abrasive projecting apparatus : en
  • US2131604A - Cone winding machine : en
  • AT154320B - Working pit with two rails for vehicles. : de en
  • CH200185A - Process for preparing the alpha-phenyl-n-valerate of diethylaminoethanol. : en fr
  • AU420737A - Improvement in valve stem insert and moulding means : en
  • AT154307B - Track slide bearing. : de en
  • CH200182A - Process for obtaining effective anterior pituitary extracts. : de en
  • FR832325A - Charges or cartridges producing gas under pressure for controlling mechanical devices : en fr
  • FR832661A - Method for reproducing measured variables without delay, in particular in telemetry installations : en fr
  • GB492692A - Improvements in or relating to route indicating devices : en
  • US2131661A - Vehicle suspension device : en
  • USD111550S - Design for a light-reflecting road : en
  • AT154448B - Movement control mechanism for backward and forward firearms, especially high-speed machine guns. : de en
  • US2131529A - Telephone instrument : en
  • US2131260A - Tumbler : en
  • US2131315A - Lock : en
  • PL27176B1 - A method for the production of high-percentage carbide. : en pl
  • US2131515A - Coat or the like : en
  • CH200010A - Electric hotplate. : de en
  • DE665602C - Veneer press for the production of artificially grained veneers : de en
  • CH200195A - Electrodynamic telephone receiver. : de en
  • DE665432C - Process for the production of single-colored knitted fabrics, especially socks, on the flat weft knitting machine : de en
  • GB492871A - Improvements in devices for imaging an object illuminated in incident light : en
  • FR832639A - Motor vehicle upgrades : en fr
  • CA376794A - Overalls : en fr
  • DE665862C - Switching fluid for electrical circuit breakers : de en
  • FR832414A - Method and apparatus for spraying liquids, such as, in particular, liquid fuels : en fr
  • AU245237A - Improvements in telephone systems employing link circuits : en
  • PL27150B1 - A method of making cup-shaped metal objects with a thick wall by punching a hollow in a block placed in a mold. : en pl
  • CH200162A - Overcurrent switches, in particular installation circuit breakers, with a toggle lever switching mechanism. : de en
  • CH200202A - Arrangement for transmitting messages by means of high-frequency alternating carrier currents, in particular in wire radio systems. : de en
  • PL27085B1 - The method of cooking hams and shanks intended for canning. : en pl
  • PL27098B1 - Method for producing esters of furanocarbonic acid. : en pl
  • US2131581A - Terminal assembly : en
  • US2131664A - Vehicle lighting system : en
  • US2131711A - Sewage disposal : en
  • CH200277A - Process for the preparation of a condensation product of the anthraquinone series. : de en
  • CH200290A - Process for the production of a copolymer. : de en
  • US2131482A - Calendar : en
  • AU105188B2 - Improvements relating togas ignition appliances : en
  • DE665443C - Adjustment device for several bars of single and multi-roll mills : de en
  • AU105170B2 - Improvements in centrifugal pumps : en
  • AT154350B - Process for melting metals onto electrically conductive bodies, in particular for electrical welding. : de en
  • US2131309A - Abrading appliance : en
  • US2131215A - Glass tank furnace : en
  • USD111561S - Design for a dress ensemble : en
  • US2131440A - Juice extracting device : en
  • US2131530A - Sharpening or grinding device : en
  • US2131138A - Treated lubricant : en
  • US2131187A - Method of producing finely divided metallic layers : en
  • DE665601C - Process for the production of durable, aqueous colloidal solutions of carotene : de en
  • DK55270C - Apparatus for regulating the energy supply to two or more parallel working pressure medium generators. : da en
  • PL27099B1 - 1. 1J 1, lj \) £ .. I, Co ^ d Mj / I Paint for coating prints on the reverse side. : en pl
  • PL27066B1 - A device for double flushing the toilet bowl. : en pl
  • PL27124B1 - ty1, 41/01, Snakes from a mass obtained by separating into fibers of leather or other animal products, and the method of making such snakes. : en pl
  • PL27152B1 - Process for the production of beryllium fluoride-free oxide. : en pl
  • DE665664C - Koetz winder : de en
  • US2131481A - Regulator : en
  • US2131498A - Safety razor : en
  • US2131603A - Operating mechanism : en
  • FR832507A - Process for filling hydrocarbon emulsions : en fr
  • PL27144B1 - A tool for driving pins and thin upholstery nails. : en pl
  • US2131463A - Prefabricated building : en
  • USD111549S - Design for a lamp base or similar : en
  • AU105173B2 - Improvements in centrifugal fan : en
  • CA376700A - Phenolic compound : en fr
  • AU36738A - Improvements in or relating to electrical switch fuse combinations : en
  • CA376683A - Brake retardation equipment : en fr
  • CH200156A - Method and remote control system for the selective remote control of work processes through voltage increases caused by a transmitter in an alternating current network feeding the receivers. : de en
  • SU53798A1 - Method of laying the railway track links : en ru
  • US2131194A - Superheterodyne receiver : en
  • CH200165A - Protective device for oil-filled electrical apparatus that responds to oil flow. : de en
  • FR832501A - Multi-star engine : en fr
  • FR832534A - Compound leather material, elastically stretchable in one direction and applicable to the manufacture of shoes : en fr
  • GB492687A - New and improved thermostatic regulating device : en
  • FR832446A - Improvements to tube cutting devices : en fr
  • GB493060A - Improvements in and relating to electric immersion heaters : en
  • CH200135A - Device on reversible motors to drive revolving conveyors that always run in the same direction. : de en
  • DE665485C - Attachment wheel used to move binding mowers : de en
  • FR832356A - Apparatus for producing nuclear reactions, more particularly for the production of neutrons : en fr
  • FR832536A - Pipe bending machine : en fr
  • US2131419A - Insoluble anthraquinone compounds in concentrated form : en
  • US2131560A - Electric vaporizer : en
  • CH200170A - Liquid cathode for power converters with a metal vacuum vessel. : de en
  • DE665516C - Gas switch : de en
  • BE429688A - : en fr
  • CH200295A - Installation for starting a multi-cylinder internal combustion engine. : en fr
  • GB492787A - Improvements in or relating to means for feeding labels from a pile thereof : en
  • FR832690A - Gearbox for tractor units and railcars with brakeable differential and self-adjusting by automatic locking pedals : en fr
  • PL27178B1 - A method of refining pre-yarn fibers. : en pl
  • US2131436A - Dynamo-electric machine : en
  • US2131120A - Manufacture of organic compounds containing basic substituents : en
  • US2131381A - Carbon set : en
  • DE665535C - Process for improving the properties of natural waxes : de en
  • US2131212A - Handle for mattresses and the like and method of making the same : en
  • US2131268A - Prefabricated unit wall structure : en
  • AU105192B2 - Cinematographic projection apparatus : en
  • FR832483A - Bomb Launcher : en fr
  • US2131151A - Grinding machine : en
  • FR832477A - New construction elements for furniture and other parts subject to loads : en fr
  • DE665514C - Process for the nucleus alkylation of phenols : de en
  • GB492761A - Improvements in automatic sheet feeding mechanism for relief stamping machines : en
  • US2131290A - Food mixer and fruit juice extractor : en
  • CH200107A - Current transformer core. : de en
  • US2131544A - Rotary seal : en
  • AT154335B - Electric discharge lamp or fluorescent tube filled exclusively with noble gases with a fluorescent layer applied inside the vessel. : de en
  • DE664270C - Process for the catalytic hydrogenation of aliphatic low molecular weight oxyoxo compounds : de en
  • DE665612C - Photographic or cinematographic camera in which the lens diaphragm is coupled to a light meter : de en
  • FR832409A - Wood gas generator : en fr
  • FR832537A - Device for propelling ships : en fr
  • GB492873A - An improved bobbin for use in textile machinery : en
  • GB492746A - Improvements in diffusion processes and apparatus particularly for the extraction ofsugar from beets : en
  • GR7675B - REINFORCEMENT OF THE UPPER OF THE GIRLS BY ELASTIC FIBERS TO HOLD THEM ON THE TIB. : el en
  • US2131693A - Projection apparatus : en
  • USD111531S - Design fob a dress : en
  • US2131293A - Sound recording : en
  • GB492729A - Manufacture of ketones of the sterol series : en
  • PL27056B1 - A telephone system in which some connections are made wirelessly. : en pl
  • SE92896C1 - : sv
  • FR832309A - Finishing device for roads and pavements : en fr
  • FR832337A - Oil air filter : en fr
  • AU105158B2 - Improvements in or relating tothe selvedges of woven fabrics andthe method of producing thesame : en
  • CH200285A - Process for the preparation of an acidic dye. : de en
  • DE665579C - Electric gas switch : de en
  • DE665459C - Arc lamp spotlights : de en
  • FR832445A - Safety device for motors and other applications : en fr
  • FR832592A - Process for the production of glucose and glucose syrup : en fr
  • FR832425A - Process for the continuous distillation of combustible materials, in particular cellulosic materials, and apparatus suitable for carrying out this process : en fr
  • USD111502S - Design for a textile fabric or simi : en
  • CH200172A - Cathode ray tube. : de en
  • CH200234A - Floating rail joint for rails placed on chairs. : de en
  • CH200129A - Process for the production of multicolored decorative films on surfaces of all kinds. : de en
  • DE665474C - Production of highly dispersed dry graphite : de en
  • FR832548A - Small cabinet with cover whose opening causes the automatic movement of the compartments comprising it : en fr
  • PL27104B1 - Method for the production of lubricants, also suitable as additives to lubricants. : en pl
  • US2131328A - Light-controlled signaling system : en
  • US2131588A - Electric motor control equipment : en
  • CH200132A - Connection for pipes without thread. : de en
  • US2131561A - Tire deflation indicator switch : en
  • FR832627A - Metal air heater (heat exchanger) for blast furnaces, operated in conjunction with a gas turbine : en fr
  • US2131358A - Scalpel : en
  • FR832461A - Microphone development : en fr
  • FR832310A - Speed indicator : en fr
  • FR832700A - Polymerization process : en fr
  • GB493027A - Improvements in or relating to direction finding radio receiver systems : en
  • FR832319A - : fr
  • DE665621C - Ball rail for sliding doors, especially cupboard and sliding glass doors : de en
  • FR832426A - Slatted closing curtains : en fr
  • ES144143A1 - Procedure for obtaining very pure magnesium from magnesium minerals. : en es
  • US2131146A - Xx their a : en
  • US2131242A - Hydrodynamic balance feeder and method of feeding molten glass : en
  • FR832618A - Frequency multiplier system particularly applicable to telephony : en fr
  • PL27185B1 - A method of producing citric acid by fermentation of sugar solutions. : en pl
  • USD111513S - Design for a combined desk : en
  • BE429550A - Process for preparing plastic compositions from polyvinyl compounds : en fr
  • CA376792A - Thread and fabric production : en fr
  • FR832685A - Refrigerating machine, with dry chemical absorption and periodic operation, automatically regulated : en fr
  • GB493055A - Manufacture of carboxylic acids of the hydroaromatic series : en
  • FR832496A - Apparatus for measuring the true height of an aircraft from the ground : en fr
  • FR832434A - Mechanical transmission system of a rotary movement and its applications, in particular in aviation : en fr
  • CH200262A - Process for the production of a vat dye. : de en
  • USD111507S - Design for a power lawn mower or : en
  • FR832342A - Automatic skill game with special devices for straightening pyramid boxes : en fr
  • US2131575A - Envelope : en
  • US2131659A - Cultivator : en
  • FR832607A - Buttonhole watch to which an appendix fitted with a lock is fitted : en fr
  • FR832633A - Coating materials : en fr
  • GB492859A - Improvements relating to fencing : en
  • FR832577A - self-locking nuts, bolt heads, etc. : en fr
  • DE665703C - Ventilated electrical machine protected against splash water : de en
  • FR832693A - Improvements to electronic discharge amplifiers : en fr
  • GB492708A - Improvements in and relating to the manufacture of moulded articles from laminated fibrous material : en
  • GB492816A - Improvements in and relating to aircraft with sustaining rotors : en
  • GB493128A - Process for the manufacture of compounds of the cyclo-pentanopolyhydrophenanthrene series : en
  • FR832557A - fire suppressor for cinematographic projection tape, using the centrifugal force it generates : en fr
  • FR832467A - Synchronization device for rotating parts : en fr
  • DE665650C - Kuekenhahn with a threaded bushing acting on a thread of the peg shaft for lifting the peg : de en
  • US2131571A - Antiskid unit and method of making the same : en
  • PL27109B1 - : en pl
  • AU110306B2 - Process for converting saturated masses into thin threads : en
  • PL27119B1 - Pest control. : en pl
  • GB492926A - Improvements in or relating to means for controlling and regulating the pulp feed topaper-making machines, mixing vats and the like : en
  • GB493050A - Improvements in or relating to methods of amplifying electrical signals : en
  • US2131474A - Apparatus for making concrete articles : en
  • AT154339B - Method and device for shaping the boundary surfaces of metal bodies by removing surface metal by means of progressive treatment with oxidizing gas streams. : de en
  • CH200144A - Spark plug. : de en
  • PL27048B1 - Pointer device. : en pl
  • US2131698A - Crankshaft chuck : en
  • AT154356B - Process for the production of hyposulfite by electrolysis. : de en
  • AT154400B - Corrugated plate, in particular made of synthetic material, and method and device for the production thereof. : de en
  • CH200033A - Weft winder. : de en
  • AT154357B - Column for the separation of solid particles from gases or vapors. : de en
  • US2131280A - Adjustment for optical systems : en
  • US2131715A - Electrooptical apparatus : en
  • PL27151B1 - A method of producing copper inositophosphate compounds that are easily soluble in water. : en pl
  • AT154442B - Air brakes for fast moving vehicles. : de en
  • CA376765A - Display device : en fr
  • CA376709A - Camera shutter : en fr
  • AU130238A - Improvements in or relating to bodies having a high tensile strength anda low specific resistance : en
  • CH200040A - Electric iron. : de en
  • CH200063A - Process for the preparation of an azo dye. : de en
  • CH200213A - Device for the evacuation of gases, dust, etc. contained in the engine cover of a motor vehicle. : en fr
  • AT154363B - Process for the production of sugar-free, dietetic liqueur-like drinks sweetened exclusively with artificial sweeteners. : de en
  • AU105150B2 - Electron discharge devices : en
  • DE665715C - Ship anchoring : de en
  • SU53895A1 - The method of obtaining a powder mixture of niobium and tantalum : en ru
  • US2131533A - Cement mass : en
  • AU387337A - Improvements in lead rolling mills : en
  • CH200115A - Tilting device on drum melting furnaces rotating around their longitudinal axis. : de en
  • DE665518C - Method of making reticules : de en
  • FR832508A - Brake device : en fr
  • DE665636C - Arrangement for distributing the power required by the individual consumers of a constant current system to the individual constant current generators : de en
  • PL27165B1 - A device for crushing and grinding grain, seeds, plants, bones, asphalt and similar materials. : en pl
  • US2131586A - Advertising device for taxicabs : en
  • GB493069A - Process for the purification of drinking water, water for general purposes, waste liquors and aqueous and non-aqueous solutions and liquids : en
  • PL27189B1 - A device for measuring the amount of liquids with more cylinders. : en pl
  • US2131478A - Galvanometer fiber or string : en
  • AT154427B - Process for the production of a durable yeast preparation, in particular for baking purposes. : de en
  • CH200137A - Gear that converts a continuous rotary movement into an oscillating rotary movement. : de en
  • GB492974A - Improvements in or relating to packing cases or containers : en
  • GB493000A - Improvements in or relating to water closets : en
  • GB493098A - Improvements in or relating to the gaseous treatment in vacuo of wool and like fibres or materials made therefrom : en
  • FR832386A - Improvements to semaphore arm signals, in particular to those for automobiles : en fr
  • GB492794A - Improvements in optical devices for photographic purposes : en
  • GB492824A - Improvements in, and relating to, the manufacture or production of, cycle and motor-cycle saddles : en
  • PL27077B1 - A method of producing a primer to protect against rust. : en pl
  • US2131438A - Bottle capsule and process for manufacturing the same : en
  • CA376790A - Heating apparatus fire chamber : en fr
  • US2131178A - Mining machine transmission mechanism : en
  • US2131222A - Aeroplane mounting : en
  • USD111519S - Design fob a bookcase : en
  • CA376696A - Wall telephone set : en fr
  • FR832338A - Improvements in the purge air supply of two-stroke engines : en fr
  • US2131334A - Heater : en
  • FR832349A - Headlight, especially for motor vehicles : en fr
  • FR832579A - Method and device for treating a rigid material with a volatile organic solvent : en fr
  • GB492790A - Improvements in the manufacture of hydrogen peroxide : en
  • PL27123B1 - Cyanide bath for surface cementing of steel objects. : en pl
  • DE665446C - Device for the automatic adjustment of the idling speed of the drive engine of a motor vehicle with auxiliary machines operated in the auxiliary drive : de en
  • GB492756A - Improvements in presses for embossing letters or other characters on paper : en
  • GB492805A - An improved change speed gearing for motor vehicles : en
  • PL27057B1 - Aluminum-magnesium alloy and the method of its heat treatment. : en pl
  • DE665585C - Cross bottom valve bag : de en
  • FR832686A - elements sensitive to the action of heat intended in particular for temperature indicators and method of making them : en fr
  • GB492723A - Improvements in or relating to facial masks for use in the administration of anaesthetics or other gases : en
  • GB493028A - Bright annealing furnace : en
  • SU53957A1 - Injector for internal combustion engines : en ru
  • US2131099A - Knock-down window frame : en
  • DE665488C - Switching arrangement for generating incandescent lamp images on an incandescent lamp field which is subdivided into several subfields and is photoelectrically controlled by a film : de en
  • PL27191B1 - Piping for hot gases and steam. : en pl
  • US2131123A - Chain mounting for reflector buttons : en
  • US2131618A - Pneumatic window operating device : en
  • DE665647C - Leaf spring system : de en
  • FR832455A - Double-acting lighting device and its applications : en fr
  • DE665559C - Holding device for glazing without putty and bars : de en
  • US2131153A - Machine for cutting sheet material : en
  • GB492827A - Improvements in and relating to envelopes : en
  • GB493103A - Improvements in process of producing aerated expanded food products : en
  • GB492767A - Improvements in and relating to halogen derivatives of rubber : en
  • GB492887A - Improvements in and relating to moving contact electric current converters : en
  • FR832329A - Device for recovering carbon disulphide and hydrogen sulphide during further processing in the manufacture of viscose cellulosic wool : en fr
  • GB492830A - Improvements in and relating to label-gumming and labelapplying machines : en
  • GB493033A - Improvements in or relating to crucibles : en
  • GB493043A - Methods of and arrangements for television transmission with an electronic tube as image disintegrator : en
  • GB492907A - A new or improved hydraulic moulding press for use in the production of matrices for use in casting printing plates : en
  • FR832642A - Method and devices for joining mechanical or other elements : en fr
  • GB492774A - Improvements in or relating to shank stiffeners and foot supporting devices for boots and shoes : en
  • US2131360A - Apparatus for the treatment of rheumatic and arthritis conditions : en
  • US2131536A - Electron microscope : en
  • GB493122A - Improvements in respirators : en
  • DK55276C - Fountain pen holder with accompanying table stand. : da en
  • CH199997A - Process for the efflorescence-free surface coloring of cement objects. : de en
  • FR832350A - Method and device for obtaining very thin glass fibers : en fr
  • GB492930A - Improvements in and relating to electric welding systems : en
  • GB492780A - Improvements in nesting bowls for birds : en
  • GB492707A - Improvements in or relating to gyro-verticals : en
  • GB492848A - Improvements in flooring plates : en
  • GB492725A - Process for the manufacture of ª‡.ª‰-unsaturated ketones of the cyclopentano-polyhydrophenanthrene series : en
  • ES144147A1 - Improvements in the regulation systems. : en es
  • FR832590A - Wood composite panel for partitions, wall coverings, doors, etc. : en fr
  • GB492964A - Improvements in and relating to galvanic cells : en
  • GB493109A - Manufacture of substituted aliphatic carboxylic acids : en
  • US2131428A - Wrapping machine : en
  • DE665437C - Saw with multiple suspension of the saw blade for various building materials except metal, especially for wood : de en
  • DE665653C - Centrifugal mill : de en
  • FR832516A - Process and machine for the preparation of coating strips, in particular for submarine cables : en fr
  • FR832595A - Azo dyes, intermediates for their manufacture and process for preparing these various products : en fr
  • DE665719C - Cable spliced to form a ring for sawing hard rock or the like. : de en
  • FR831935A - Catalyst system and device to save gasoline in internal combustion engines : en fr
  • PL27160B1 - Klr-47-arB: Screw connection. : en pl
  • CH200302A - Process for the preparation of a quaternary ammonium compound. : de en
  • DE665704C - Electrode for electrical discharge vessels, especially directly heated cathodes : de en
  • FR832452A - Presentation device, called <<nuancier>> for nail polish, lipsticks, etc. : en fr
  • FR832363A - Bellows camera for film on reels : en fr
  • US2131619A - Automatic power transmission : en
  • US2131692A - Bowed expander roll : en
  • PL27156B1 - Aluminum sheet for office flat printing and its preparation. : en pl
  • PL27120B1 - A method of regenerating by heating waste vulcanized rubber. : en pl
  • CH200190A - Detector device for controlling a fire protection device. : en fr
  • CH200193A - Device for the electrical transmission of characters. : de en
  • DE665520C - Photographic lens : de en
  • DE665686C - Coal cleaning plant : de en
  • USD111538S - Design fob a toilet article case : en
  • CA376737A - Photographic shutter control : en fr
  • PL27167B1 - Mortar for seeds. : en pl
  • DE665462C - : de en
  • CA376804A - Figure toy : en fr
  • CH200076A - Method and device for the surface treatment of metal sheets, in particular sheet metal strips. : de en
  • DE665577C - Method and device for the simultaneous compression of coal within the furnace chamber and the production of hollow channels in the coal charge : de en
  • DE665581C - Molding compound for casting light metals : de en
  • US2131366A - Electric wave amplifying system : en
  • US2131644A - Oil can opener : en
  • CA376768A - Engine synchronizing system : en fr
  • CH200110A - Device for keeping the film speed constant on sound drums of sound film devices held in rotation by the film. : de en
  • US2131663A - Roaster : en
  • US2131501A - Sound record printing : en
  • CH199992A - Sealing device for doors and windows. : en fr
  • US2131055A - Shirt : en
  • US2131037A - Bomb nose fuse : en
  • US2131556A - Transmission mechanism : en
  • CH200099A - Detonator for projectile. : de en
  • CH200252A - Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers. : de en
  • CH200041A - Bra for nannies. : en fr
  • USD111518S - Design for a stand for perfume : en
  • DE665471C - Process for glazing stoneware and earthenware : de en
  • CH200247A - Process for the preparation of the 3-carboxamide of N-ribosido-dihydropyridine. : de en
  • CH200257A - Process for the production of a vat dye of the anthraquinone series. : de en
  • CA376708A - Camera focusing mechanism : en fr
  • CH200037A - Device for singeing endless threads. : de en
  • CH200168A - Amplifier circuit with at least one thermionic discharge tube, from whose operating voltages at least the control grid bias voltage of an alternating current source is taken. : de en
  • DK55251C - Plaid with length-adjustable Stitch. : da en
  • FR832351A - Place-work mechanism for shoemaking machines, in particular shaping machines : en fr
  • US2131461A - Building : en
  • FR832602A - Improvements to mixed-heating kitchen stoves : en fr
  • FR832429A - Pocket umbrella : en fr
  • FR832544A - Device for heating and ventilating railway wagons : en fr
  • GB492701A - Improvements in or relating to record-carriers for mechanographic sound-recording : en
  • GB493024A - Improvements in swifts or ryces for holding skeins or hanks of yarn or thread : en
  • AT154360B - Non-magnetic bandage wires for fastening electrical windings to rotating bodies. : de en
  • CH200021A - Toilet paper. : de en
  • CH200271A - Process for the preparation of a condensation product of the anthraquinone series. : de en
  • FR832326A - Improvements in the manufacture of fiber cement pipes : en fr
  • US2131166A - Ore leaching apparatus : en
  • US2131443A - Signaling : en
  • CH200206A - Radio receiver with means to facilitate voting. : de en
  • AT154310B - Master pressure cylinders, in particular for hydraulic brakes in motor vehicles. : de en
  • US2131057A - Method and apparatus for making can covers : en
  • US2131245A - Vulcanization of rubber : en
  • US2131527A - Vehicle transmission control : en
  • BE429649A - Cash register : en fr
  • CH200281A - Process for the production of a condensation product. : de en
  • US2131665A - Rotary muffle furnace : en
  • CA376795A - Cinematograph projector fire trap : en fr
  • US2131304A - Selector for control clocks : en
  • PL27073B1 - Optical system for illumination of a circular condenser system as uniformly as possible by means of light which is radiated in all directions from a linear light source. : en pl
  • CA376818A - Locomotive valve motion mechanism : en fr
  • CH200174A - Ring channel furnace. : de en
  • CH200254A - Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers. : de en
  • CA376717A - Projector tilting mechanism : en fr
  • CH200292A - Process for the production of a copolymer. : de en
  • US2131019A - Ignition timer : en
  • CH200141A - Hydraulic control device. : de en
  • CH200023A - Toilet paper holder. : de en
  • PL27058B1 - Firearm. : en pl
  • DK55278C - Apparatus for Drying Agricultural and Horticultural Products. : da en
  • GB492920A - Improvements in and relating to sheet feeding mechanisms : en
  • GB492997A - Improvements in or relating to bridge contacts and fuse carriers for electric fuses : en
  • US2131713A - Antiskid cross chain : en
  • CA376772A - Brake slack limiting device : en fr
  • US2131297A - Cord strain relief means : en
  • CH200018A - Furniture. : de en
  • CH200019A - Lock for drawing tables. : de en
  • DE665587C - Suspenders : de en
  • PL27180B1 - Cinematographic projection apparatus. : en pl
  • US2131232A - Correcting binocular vision : en
  • US2131421A - Scraper : en
  • AU21338A - An improved method of preserving fish, frogs and the like : en
  • US2131393A - Electric wave amplifying system : en
  • AU41938A - Improvements in centrifugal pumps : en
  • CH200217A - Device on caterpillar vehicles to support the car body by means of roller frames. : de en
  • GB492732A - Improvements in vapour generators : en
  • GB492901A - Process for dressing iron ores : en
  • GB493057A - Masks for the prevention and relief of allergic respiratory complaints : en
  • FR832378A - Device for determining the path elements of air vehicles : en fr
  • GB493034A - Improvements in the production of hydrogen peroxide : en
  • PL27074B1 - Electric discharge lamp, filled with cadmium vapor. : en pl
  • US2131625A - Carton sealing machine : en
  • CA376731A - Car journal waste retainer : en fr
  • PL27143B1 - Oven doors, especially for stoves, that can be opened and closed. : en pl
  • FR832417A - Combi cooker with coal, wood, coke and gas : en fr
  • DK55257C - Mask for Use in Local Anesthesia of Teeth Using Volatile Anesthetics. : da en
  • FR832689A - Lifting propeller with blades joined together by tension elements : en fr
  • GB492986A - Improvements relating to men's caps : en
  • GB492857A - Improvements in and connected with the fuel control of internal combustion engines : en
  • US2131707A - Foundation garment for women : en
  • USD111541S - Design for a stopper or similar : en
  • FR832668A - Process for producing ethylene : en fr
  • FR832339A - Protection device for remote control electrical circuits : en fr
  • FR832412A - Apparatus for improving the combustion of black liquors from the manufacture of pulp and the like : en fr
  • GB492931A - Improvements in printing and dyeing with the ester salts of leuco vat dyestuffs : en
  • PL27148B1 - Grey soap. : en pl
  • US2131303A - Removal of wax from rotary filters : en
  • US2131660A - Water-jet apparatus : en
  • FR832384A - Valve timing control mechanism for locomotive machines : en fr
  • FR832427A - Shells for anti-aircraft fire : en fr
  • BE429860A - Temperature regulator with single-seat valve with watertight closure : en fr
  • CH200123A - Glue furnace. : de en
  • CH200239A - Process for the production of methylcellulose-ethyl ether-B-sulfonic acid sodium. : de en
  • DE665640C - Electric lamp, preferably with a galvanic battery : de en
  • DK55260C - Apparatus for Adjusting the Humidity of a Room. : da en
  • US2131231A - Machine for and method of making knitted articles : en
  • US2131306A - Motor vehicle : en
  • US2131096A - Photoelectric assorting device : en
  • GB492797A - Improvements in or relating to combined carding and gilling machines : en
  • GB493099A - Improvements in washing machines : en
  • USD111522S - Design fob a wall plant pot : en
  • CH200073A - Device for the elimination of fat and floating matter. : de en
  • CH200089A - Control device for optical, mechanical or electrical devices, in particular for photographic devices with electric light meters. : de en
  • FR832449A - Campaign lookout on wheels : en fr
  • FR832681A - Method and apparatus for generating gears : en fr
  • GB492719A - Improvements in soap products and in the manufacture thereof : en
  • USD111501S - Design fob a sun chaise : en
  • US2131375A - Manufacture of welted footwear : en
  • USD111558S - Design for a dress : en
  • DE663012C - Single or multi-roller mill : de en
  • US2131469A - Drive mechanism for motion picture projecting machines : en
  • DE665609C - Plansifter with a diarrhea channel between the sieve frame : de en
  • CA376751A - Alimentary forming machine : en fr
  • CH200092A - Device for moistening the adhesive layer of pieces of paper or the like, in particular of postage stamps. : de en
  • US2131133A - Hoisting device : en
  • US2131671A - Illuminated display sign : en
  • AT154336B - Device for locking rotatable pins or the like. : de en
  • AU105166B2 - Improvements inthe manufacture of plaster wall or ceiling boards or slabs for buildings : en
  • CH200300A - Process for the preparation of an unsaturated compound of the pregnane series. : de en
  • US2131300A - Hat body blocking and stretching machine : en
  • GB492843A - Improved device comprising a gas-filled electric discharge tube and material excitedto luminescence by the discharge : en
  • FR832387A - Steam deconcentrator : en fr
  • FR832484A - Improvements to switching devices of tuning circuits and capacitors in t devices. s. f. : en fr
  • GB493037A - Improvements in electric discharge lamps : en
  • DK55252C - Method and Machine for Serial Printing of Stencil Clichés. : da en
  • FR832572A - Trim for clothing, in particular for men's clothing : en fr
  • US2131228A - Fuel injection pump : en
  • US2131364A - Mounting for reflector buttons or the like : en
  • US2131052A - Cable operated tractor gate : en
  • GB492976A - New or improved means for locating a member axially along a shaft with which it turns : en
  • FR832317A - Tubes for liquid and plastic substances, and method and apparatus for the manufacture of such tubes : en fr
  • FR832625A - Improvements to pressure regulating devices : en fr
  • GB492977A - A new or improved cartridge for firing projectiles from toy firearms : en
  • FR832438A - Improvements in the production of bi-metal or the like and resulting product : en fr
  • FR832476A - Manufacturing process of hollow valves : en fr
  • US2131322A - Telegraph signaling apparatus : en
  • US2131372A - Tag fastening device : en
  • DE665361C - Optical system located in front of the photocell of a photoelectric photometer : de en
  • DE665555C - Device for electrical resistance spot or spot seam welding with controlled steam or gas discharge paths switched into the welding circuit : de en
  • DE665659C - Stock and butt for handguns : de en
  • US2131555A - Generating heating medium : en
  • USD111534S - Design for a building : en
  • US2131651A - Dispensing device : en
  • BE429684A - : en
  • AT154338B - Machine for processing printing machine cylinders, in particular copper cylinders for gravure printing machines. : de en
  • AT154340B - Duvet. : de en
  • US2131129A - Cross feed mechanism for lathes : en
  • PL27086B1 - Device for attaching the rubber sole to the top of the footwear. : en pl
  • USD111483S - Design fob a coat : en
  • PL27089B1 - Central heating device. : en pl
  • US2131470A - Yarn winding machine : en
  • US2131697A - Sweat band : en
  • PL27111B1 - A method for producing decaffeinated tea. : en pl
  • US2131026A - Ignition and starting system for automobiles : en
  • CA376779A - Truck caster control means : en fr
  • CH200157A - Time switch with two consecutive working periods, the first of which is adjustable and the second of which has an unchangeable period of time. : de en
  • DE665572C - Sack filling and packing device arranged on automatic bagging scales : de en
  • DE665670C - Razor blade package from a number of individual sleeves combined in a block-like manner : de en
  • PL27067B1 - The method of producing insulation materials. : en pl
  • PL27093B1 - Alarm clock with automatic switch of the electric bulb. : en pl
  • AT154444B - Speed change transmissions, in particular for bicycles. : de en
  • CA376769A - Laminated structure : en fr
  • CH200219A - Tire wheel. : de en
  • US2131282A - Automatic switch with positive defrost and quick freeze adjustments : en
  • FR832377A - Process for improving tobacco : en fr
  • GB492945A - Improvements in or relating to the attachment of filter mountings to photographic cameras : en
  • AT154322B - Process for the production of coiled luminous bodies, in particular for electric incandescent lamps. : de en
  • AU45038A - Improvements in and relating to glass grinding apparatus : en
  • GB492771A - Improvements relating to independent wheel suspension systems for vehicles : en
  • GB492751A - Improvements in or relating to shock absorbers : en
  • CH200209A - Compressible container for liquid, semi-liquid or paste-like substances, as well as method and device for its manufacture. : de en
  • FR832382A - Swimsuit : en fr
  • AT154439B - Spring fork for two-wheeled vehicles. : de en
  • DE665654C - Sieve arrangement for drum mills : de en
  • FR832433A - Hydraulic brake for recoil weapons, automatic or not : en fr
  • US2131518A - Dispensing container : en
  • CA376726A - Film loop forming mechanism : en fr
  • DE665658C - Stock and butt for handguns : de en
  • GB492710A - Improvements in and relating to electrical measuring instruments : en
  • GB492802A - Improvements relating to mercury and other sealed container switches : en
  • CH200127A - Electromagnetic impact tool. : de en
  • SU53864A1 - Method for producing boron carbide : en ru
  • DE664398C - Machine for the production of a leather patterned evenly over its entire surface by singeing : de en
  • GR7674B - COLLECTOR OF OILS AND OTHER FRUITS ON THE TREES. : el en
  • US2131459A - Brake : en
  • DE665509C - Production of active charcoal from non-charred or pre-charred carbon-containing substances using hot activation gases : de en
  • DE665608C - Method and device for the production of colored and hardened steel strip, in particular for the production of razor blades : de en
  • CH200139A - Impeller pump with side channel. : de en
  • DE665504C - Process for welding longitudinal seams on pipes of greater wall thickness by means of electrical resistance welding : de en
  • GB492789A - A process for removing acid components from hydrocarbons or derivatives thereof : en
  • GB492903A - Appliance for holding volatile disinfectants or perfumes in proximity to the human or animal body, or to the leaves and stems of plants : en
  • FR832614A - Magnets arrangement : en fr
  • CA376698A - Electrical gas purification : en fr
  • CH200094A - Carrying strap for skis etc. : de en
  • CH200122A - Wood planer. : de en
  • CH200210A - Slider vehicle. : en fr
  • FR832529A - Directed shortwave device : en fr
  • GB492858A - Improvements in or relating to clocks : en
  • GB493047A - Improvements in starting apparatus for internal combustion engines : en
  • CA376694A - Nitrile preparation : en fr
  • AT154373B - Process for the production of a quick curing substance. : de en
  • AT154414B - Device for renewing and maintaining the originally set mutual relationship for the positions of the contact parts of a rail contact device and for differentiating their working movements from the disturbing movements of the same. : de en
  • US2131612A - Lawn broom : en
  • US2131632A - Barrel : en
  • CH199998A - Furnace loading facility. : en fr
  • CH200057A - Process for manufacturing urea. : en fr
  • CH200045A - Trousers. : de en
  • CH200158A - Circuit breaker. : de en
  • US2131624A - Pen or pencil holder : en
  • CH200253A - Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers. : de en
  • AU7938A - Improvements relating to lead alloys : en
  • US2131308A - Production of colloidal fuel : en
  • GB493111A - Manufacture of improved filaments, threads, foils or sheets of cellulose esters or ethers : en
  • AT154337B - Cutting tool or preliminary product for this. : de en
  • DE665597C - Electric headlight bulb with parabolically shaped lamp vessel provided with a mirror coating and a melted faceplate : de en
  • GB492921A - Improvements in welding apparatus : en
  • CA376762A - Gas dust removing apparatus : en fr
  • CA376770A - Thermostatic control : en fr
  • DE665605C - Liquid damper, for example for automatic scales : de en
  • CH200298A - Process for the preparation of a trialkylacetamide having saturated alkyl groups. : de en
  • DK55262C - Door. : da en
  • FR832398A - Connecting rod for internal combustion engines : en fr
  • PL27065B1 - Hard cast iron. : en pl
  • US2131175A - Mining machine : en
  • DE661247C - Spreading device for painter's ladders : de en
  • BE429881A - : en
  • AU399737A - Anew or improved device for manipulating yarn, woven wool or other suitable fabric : en
  • US2131109A - Radio telegraph receiving system : en
  • CH200050A - Sports shoe. : de en
  • CH200180A - Process for the manufacture of vaccines. : de en
  • CH200244A - Process for the production of melamine. : de en
  • CA376813A - Vaccine for canine distemper : en fr
  • CH200125A - Machine for grinding involute gears using the hobbing process using two grinding wheels with a flat grinding surface. : de en
  • CA376718A - Fluid removing device from strip materials : en fr
  • CA376749A - Nickel containing ore processing : en fr
  • FR832539A - Vibratory device to bush, chisel, transplant, smash, cut : en fr
  • GB493046A - Improvements in the production of water gas : en
  • FR832436A - Improvements to suspension devices : en fr
  • DE665466C - Air separator : de en
  • FR832509A - Process for the manufacture of yarns or fibers of glass : en fr
  • GB492786A - Improvements in or relating to coal cauldrons : en
  • GB492703A - Improvements in apparatus for equalizing the tension of threads : en
  • CH200117A - Apparatus for making hinges. : de en
  • CH200124A - Process for the production of orthopedic arch supports or springs from hard papers impregnated with synthetic resin or from synthetic resin with other fillers. : de en
  • AT154348B - Hanging device for shoes to be dried. : de en
  • FR832472A - Ventilation device for motor vehicles : en fr
  • GB492965A - Improvements in and relating to the production of resinous compositions : en
  • US2131390A - Dress pattern : en
  • USD111485S - Design fob a chair : en
  • FR832413A - Method of fulling woolen articles and resulting fulled articles : en fr
  • FR832514A - Improvement in acidic pickling solutions : en fr
  • GB492856A - An improved bag or receptacle for attachment to the person when bathing : en
  • FR832320A - Electrical conductor with insulation and method for making this conductor : en fr
  • FR832580A - Method of degreasing and cleaning objects made of a rigid material : en fr
  • DE665548C - Means for promoting alcoholic fermentation in mashes or worts : de en
  • DK55274C - Renovation plant for Ships. : da en
  • FR832684A - Improvements to manometers for intake manifolds and similar applications : en fr
  • AT154368B - Process for the processing of carbonate iron ores. : de en
  • AU105199B2 - Correlative temperature control system : en
  • GB492938A - Process for the manufacture of thioacetalsulphonic acids : en
  • IE15205L - Traction devices for rubber tyred wheels : en
  • GB492867A - Improvements in or relating to lifting dogs and like appliances : en
  • FR832493A - Equipment for dispensing products contained in flexible ampoules : en fr
  • GB493123A - Improvements relating to paints : en
  • CA376723A - Optical system : en fr
  • DE665519C - Testing device for bending the piston and piston pin : de en
  • DE665638C - Arrangement for influencing the power factor of transforming devices working with grid-controlled vapor or gas discharge paths : de en
  • CH200083A - Process for inking rotary duplicating machines and ink supply device for carrying out this process, in particular for two- and multi-drum machines. : de en
  • FR832408A - Hollow reinforced concrete beam to compose a floor : en fr
  • US2131244A - Vulcanization of rubber : en
  • US2131579A - Friction clutch mechanism : en
  • GB492814A - Improved packing rings for towers, reaction vessels, absorption chambers and the like : en
  • BE429849A - Method for increasing the sensitivity of infra-red sensitive emulsion layers : en fr
  • CA376755A - Paper container : en fr
  • US2131314A - Dyed composition cork and method : en
  • GB492897A - Improvements in or relating to opaque containers and specific gravity indicators foruse therewith : en
  • GB493018A - Method of making hosiery : en
  • FR832500A - Bed improvements : en fr
  • FR832611A - Method and apparatus for bending and tempering glass sheets : en fr
  • FR832444A - Hand shear for cutting metals or other sheet materials : en fr
  • GB492914A - An improved process for preparing the hexamethylenetetramine salt of hexylresorcinol sulphonic acid : en
  • AT154309B - Device to avoid dazzling effects from strong light sources in night traffic. : de en
  • PL27100B1 - A post milling machine, especially for down-milling with a work table feed. : en pl
  • FR832540A - Development of directional antennas : en fr
  • FR832635A - Gearshift improvements for bicycles : en fr
  • US2131050A - Reciprocating gate valve : en
  • US2131700A - Apparatus for effecting refrigeration air-conditioning : en
  • US2131162A - Line securing device : en
  • GB493008A - Improvements relating to machines for spreading suitable materials on roads, highways, agricultural lands and similar surfaces : en
  • AU395637A - Improvements in or relating to cleaning compositions particularly for cellulose derivative finishes : en
  • US2131157A - Control for variable speed power transmissions : en
  • DE665454C - Machine for the production of bundles of cigarette paper sheets : de en
  • FR832553A - Method and apparatus for preliminary or final refining of pig iron according to the principle of air blast refining : en fr
  • CH200020A - Fitting on seating and reclining furniture to adjust the side panels. : de en
  • CH200027A - Tin can with sterilization cap. : de en
  • CH200070A - Waterproofing composition. : en fr
  • GB493126A - Improvements in and relating to liquid circulating means : en
  • GB493100A - Improvements in electric fuses of the enclosed type : en
  • FR832448A - Tripod mount, for machine guns or light cannons : en fr
  • US2131201A - Composite clutch : en
  • US2131649A - Horn signaling and steering wheel spinning device : en
  • USD111514S - Design for a combined radio cabinet : en
  • US2131338A - Consolidation of porous materials : en
  • US2131106A - Jar top : en
  • USD111526S - Design for a spray gun or the like : en
  • CA376691A - Rotary swaging machine work holder : en fr
  • PL27071B1 - Pocket ink tank for filling fountain pens. : en pl
  • AU444037A - Improvements in means for displaying wearing apparel andother goods : en
  • DE665498C - Electric direct current multi-motor drive with synchronous and additional control devices dependent on armature current, especially for continuous roller lines : de en
  • GB492676A - Improvements relating to apparatus for use in conveying powdered or granular material in a quasi-liquid state : en
  • GB492766A - Roller skate : en
  • US2131226A - Tabulating machine : en
  • DE665551C - Mercury flasher switch, especially for crossing signals in railway safety : de en
  • DE665442C - Silencer for internal combustion engines : de en
  • FR832566A - Non-slip bandage : en fr
  • GB492968A - Improvements in steering gear particularly for use on automobiles : en
  • US2131277A - Roll adjusting means for grain milling machines : en
  • US2131182A - Cover for rectangular curved-top articles : en
  • US2131455A - Atomizer head : en
  • US2131199A - Synchronizing transmission mechanism : en
  • US2131345A - Rubber bale cutter : en
  • DE665456C - Bag with carrying device : de en
  • US2131184A - Vehicle : en
  • US2131589A - Signaling system : en
  • US2131655A - Slab molding frame : en
  • CH200036A - Device for spinning core threads, in particular rubber threads. : de en
  • US2131302A - Rotary pump : en
  • GB492764A - Improvements in or applicable to straight-bar knitting machines : en
  • CH200237A - Device for attaching a mirror to a wall. : de en
  • FR832301A - Device usable in combination with a radio receiver, television receiver, etc. : en fr
  • FR832421A - Method of manufacturing sanitary napkins and resulting product : en fr
  • US2131172A - Drawing frame, roving frame, and like textile frames : en
  • US2131363A - Sheet collecting and folding mechanism for printing presses : en
  • US2131592A - Electric battery, particularly secondary battery, and method of operating the same : en
  • CH200198A - Cross-flow microphone. : de en
  • CH200240A - Process for the preparation of oxyäthylcellulose-ethylether-B-sulfosauren Natrums. : de en
  • US2131694A - Coilable measuring rule : en
  • US2131041A - Nonexplosive pypotechnic composition : en
  • US2131488A - Dispenser : en
  • AU105181B2 - Improvements relating to thermostatically controlled gas regulating devices : en
  • US2131432A - Method of improving the keeping qualities of reactive materials : en
  • CH200008A - Electrically heated stove. : de en
  • CA376785A - Mineral flotation apparatus : en fr
  • CA376720A - Motion picture apparatus : en fr
  • CA376786A - Loading and dumping washer : en fr
  • US2131494A - Dispensing box : en
  • GB492983A - Improvements in or relating to electron discharge valves : en
  • PL27186B1 - Trigger device for machine guns. : en pl
  • US2131091A - Game apparatus : en
  • DE665490C - Device for direction finding of aircraft : de en
  • DE665590C - Resilient pit stamp : de en
  • DE665657C - Process for manufacturing the stock and butt of handguns : de en
  • FR832466A - Economical pasteurian vinification process : en fr
  • GB492898A - Improvements in electric heating units and utensils for use in association therewith : en
  • DE665717C - Cylinder filling internal grinding tool : de en
  • AU142037A - An improved method of tanning hides and skins : en
  • CH200098A - Detonator for drop projectile. : de en
  • FR832663A - Process for the joint treatment of nitrocellulose and chlorine-containing film formers : en fr
  • GB492781A - Improvements in canisters for containing and delivering powders : en
  • GB492874A - Improvements in or relating to devices for indicating or measuring the movement of aphotographic light sensitive strip : en
  • US2131596A - Can opener and sealer : en
  • DE665316C - Travel brake for aircraft : de en
  • DE665569C - Display panel for auction systems : de en
  • AT154391B - Protection arrangement for electrical networks. : de en
  • AT154430B - Cigarette holder for cigarettes with a hollow mouthpiece. : de en
  • USD111520S - Design fob a casing fob a becobding : en
  • AU105217B2 - Improvements in or relating to electron discharge device arrangements ofthe electron multiplier type : en
  • AT154333B - Device with a high pressure metal vapor tube. : de en
  • US2131021A - Carbonized product and manufacture thereof : en
  • US2131141A - Therapeutically active amidines : en
  • US2131512A - Apparatus for drying plates : en
  • US2131531A - Gear transmission : en
  • DE665561C - Method for determining the dirt content of used motor oils : de en
  • FR832675A - Boxes of cardboard or similar material : en fr
  • DK55277C - Cartridge for rifled firearms. : da en
  • FR832323A - Improvement in the coating of boat decks : en fr
  • GB492943A - Improvements in or relating to the taking or projection of cinematograph films : en
  • CH200261A - Process for the production of a vat dye. : de en
  • US2131629A - Reflector : en
  • US2131705A - Liquid dispensing apparatus : en
  • CH199987A - Device to be built into a concrete structure to facilitate the attachment of objects to the concrete structure. : de en
  • CH200140A - Electric power plant driven by wind with concentric wind turbines. : de en
  • AT154422B - Fitting. : de en
  • AT154416B - Bandwood wheels or their main components, such as rims and hubs. : de en
  • US2131599A - Manufacture of mineral wool : en
  • US2131058A - Method and apparatus for control of superheat by gas mass flow : en
  • US2131113A - Duplicating apparatus : en
  • AT154383B - Process for obtaining a high quality fiber material. : de en
  • DE665589C - Hiking pillars for quarrying : de en
  • BE429726A - : en
  • AU105168B2 - Improvements relating to lead alloys : en
  • CH200014A - Sink unit. : de en
  • DE665460C - X-ray apparatus : de en
  • US2131051A - Internal stem operated tractor gate : en
  • US2131192A - High vacuum television tube : en
  • US2131626A - Sharpening jig : en
  • US2131690A - Sedimentation apparatus : en
  • CH199996A - Process for the production of concrete. : de en
  • PL27095B1 - Button for underwear. : en pl
  • AT154393B - Difficult-to-melt metal alloy. : de en
  • AT154375B - Process for producing photographic images in the manner of blueprints which are developed with aniline solutions or with polyhydric phenols or amidophenols. : de en
  • CH199999A - Shut-off device on pipes for liquids and gases laid in the floor. : de en
  • PL27059B1 - : en pl
  • US2131371A - Plastic material : en
  • US2131516A - Pharmaceutical apparatus : en
  • USD111544S - Design for an automobile reflector : en
  • AU105215B2 - Devices sensitive tothe direction ofthe propagation of electromagnetic waves : en
  • CH200216A - Anti-skid device on motor vehicles. : de en
  • US2131333A - Process for the concentration of aqueous dispersions of rubber and similar rubber-like substances : en
  • CA376693A - Railway car coupler pin locking means : en fr
  • AU105184B2 - Rubber vulcanization accelerators and use thereof : en
  • AT154436B - Air chamber tire and process for its manufacture. : de en
  • GB492980A - Improvements in the manufacture and production of vinyl chloride : en
  • AT154314B - Pressure generating device for pressure medium, in particular for hydraulic fluid brakes of motor vehicles. : de en
  • AT154369B - Process for enriching the rubber particles of rubber milk. : de en
  • US2131688A - Riveting machine : en
  • CH200013A - Lid for washbasin provided with a shower device. : de en
  • AT154323B - Circuit arrangement for telephone systems with voter operation and company lines. : de en
  • US2131197A - Production of conversion products of acetylene : en
  • CH200055A - Process for the preparation of a water-soluble compound of the androstane series. : de en
  • CH200258A - Process for the preparation of a leukotriarylmethane dye. : de en
  • CA376767A - Brake slack adjuster : en fr
  • DE665718C - Spatial copying when using a pantograph mounted on a horizontal axis and adjustable in a vertical plane : de en
  • US2131093A - Display box : en
  • US2131598A - Method and apparatus for applying a fibrous coating to a filament : en
  • US2131617A - Miner's headgear : en
  • CH200191A - Device for extinguishing incendiary bombs. : de en
  • AT154381B - Process for the decomposition of mineral oils and tars containing paraffin. : de en
  • AU403537A - Devices sensitive tothe direction ofthe propagation of electromagnetic waves : en
  • CA376781A - Circular loom : en fr
  • CH200192A - Method for translating signals, in particular telegraphic pulse combinations. : de en
  • AT154318B - Device for regulating the mixture for internal combustion engines operating at different altitudes. : de en
  • AT154404B - Process for the production of plastic masses. : de en
  • AU105201B2 - Improvements in signal combining amplifiers : en
  • PL27187B1 - A device for generating and burning gas from liquid fuel. : en pl
  • FR832383A - Improvements in the manufacture of brake hoses : en fr
  • FR832613A - Waterproof terminal with visible fuse : en fr
  • GB493038A - Adjustable drawing dies : en
  • CA376800A - Coffee percolator cleaning appliance : en fr
  • US2131181A - Method and means for packaging foods : en
  • GB492801A - Improvements in and relating to the construction of rotary fans and the like : en
  • CH200238A - Reel. : de en
  • US2131339A - Checking device for motor car doors : en
  • US2131614A - Brake drum : en
  • US2131081A - Clothespin : en
  • USD111511S - Design for a servicing apparatus or : en
  • CH200047A - Hygienic sole. : de en
  • SE92894C1 - : sv
  • US2131116A - Vehicle construction : en
  • CH200297A - Mobile pupinized telecommunication cable system. : de en
  • US2131557A - Luminous composition of matter and method of producing same : en
  • AT154374B - Process for the pretreatment of cellulose. : de en
  • US2131080A - Steam generating and superheating apparatus : en
  • US2131674A - Process for the reduction of grain and its subsequent conversion into bread or like product : en
  • CH200212A - Device for actuating the engine brake of motor vehicles. : de en
  • US2131160A - Tobacco and method of treating tobacco : en
  • US2131313A - Making zinc pigment : en
  • GB492697A - Improvements in or relating to the manufacture of anthraquinone derivatives : en
  • AT154353B - Process for the direct production of low-lime magnesia from dolomite. : de en
  • AT154394B - Image decomposition tube with photocathode and fixed scanning aperture. : de en
  • USD111490S - Design fob a shoe : en
  • CA376775A - Building block : en fr
  • CH200034A - Device for the production of Müller gauze. : de en
  • AT154354B - Electric shaft furnace. : de en
  • AU105171B2 - Improvements in and relating to glass grinding apparatus : en
  • FR832569A - Azo dye derivatives : en fr
  • GB493009A - Improved method and means of glazing instrument cases and other structures having a transparent panel : en
  • GB493054A - Improvements relating to cigarette cartons : en
  • CH200022A - Device on toilets for the automatic removal and attachment of a seat protection covering. : de en
  • CH200267A - Process for the production of a vat dye. : de en
  • US2131208A - Remote indication apparatus : en
  • US2131542A - Horn ring for automobiles : en
  • CA376809A - Power transmission : en fr
  • CH200005A - Control device for burners for liquid fuels. : de en
  • CA376801A - Chain-saw : en fr
  • CA376789A - Napkin container and advertiser : en fr
  • US2131045A - Silver recovery : en
  • US2131316A - Nonvibrating tube coupling : en
  • CH200248A - Process for the preparation of 4-methyl-5-B-chloroethylthiazole. : de en
  • US2131131A - Apparatus for refrigeration : en
  • PL27155B1 - Process for the production of chlorinated or brominated phthalocyanines. : en pl
  • CH200054A - Lubricating oil filters for cars, stationary engines, drives and the like. : de en
  • AU105197B2 - Electrodynamic loud speaker with combined yoke and transformer : en
  • AT154317B - A rubber-metal component made of rubber and a metal bonded to it by adhesive bonding. : de en
  • AT154449B - Closure, especially for tubes. : de en
  • CA376759A - Organic oxy-compound product : en fr
  • US2131149A - Typewriting machine : en
  • US2131454A - Bracelet cord clasp : en
  • US2131720A - Knitted fabric and method of making the same : en
  • USD111500S - Design for a cocktail shaker : en
  • CH200090A - Photographic camera for producing stereoscopic images. : de en
  • US2131211A - Handle for mattresses, cushions, and the like : en
  • AU105172B2 - Improvements in or relating to windows having coupled sashes : en
  • AU113238A - Cinematographic projection apparatus : en
  • CH200024A - Control device on heating devices that consist of a heat source and heat consumer and in which a liquid vapor acts as a heat exchanger. : de en
  • AT154303B - Valve control for the conversion of locomotive steam engines or the like. : de en
  • CA376706A - Camera range and view finder : en fr
  • US2131423A - Cooler for liquids : en
  • US2131564A - Releasable holding arm for doors and the like : en
  • US2131213A - Brassiere construction : en
  • CH200255A - Process for the production of a vat dye of the anthraquinone series. : de en
  • AU105151B2 - Manufacture of improved insecticidal compounds and compositions containing them : en
  • AU395437A - Improvements in or relating tothe selvedges of woven fabrics andthe method of producing thesame : en
  • US2131342A - Calking and sealing composition : en
  • CH200087A - Cinematographic device for the practice of machine gun shooting. : en fr
  • CH200304A - Steerable sledge. : de en
  • CH200007A - Process for the production of thermal useful gases from medium-weight oils. : de en
  • GB493041A - Improvements in or relating to the detection of gases, vapours, dusts, smokes, or other impurities in air : en
  • CH200100A - Hermetic and opaque device for closing a bay for passive air defense. : en fr
  • CA376778A - Carbureter : en fr
  • DE665517C - Sheathed transformer adjustable by means of a short-circuited movable winding : de en
  • GB493007A - Improvements in image dissector : en
  • CH200108A - Meter test facility. : de en
  • CH200283A - Process for the preparation of a phthalocyanine dye. : de en
  • US2131263A - Overspeed drive control : en
  • CH200175A - Device for achieving slow ignition of the gas in gas-heated liquid heaters. : de en
  • CH200229A - Automatic electric train lighting equipment with dynamo and battery as power sources. : de en
  • AT154366B - Process for the production of centrifugal cast pipes cast in - preferably cooled - chills. : de en
  • CA376736A - Cellulose ester emulsion : en fr
  • CA376745A - Plug-in resistor and switch : en fr
  • CA376701A - Impregnated cigarette manufacture : en fr
  • PL27183B1 - A camera for photographic shooting exercises for a moving target, especially for an airplane, that allows you to take cinematographic pictures of the aircraft while shooting, or to take only two photographs, one at the beginning and the other at the end of the shot. : en pl
  • US2131685A - Alkali process for reclaiming rubber waste : en
  • CA376733A - Thermo-electrically controlled device : en fr
  • AU470737A - Improvements relating to thermostatically controlled gas regulating devices : en
  • DE665603C - plywood : de en
  • AU105186B2 - An improved method of preserving fish, frogs and the like : en
  • CH200155A - Telecontrol device. : de en
  • US2131336A - Direct fired steam mangle : en
  • CH200065A - Process for the preparation of an azo dye containing complexed chromium. : de en
  • US2131475A - Pressure exerting electrode : en
  • US2131495A - Lamb-coat : en
  • US2131639A - Means for polishing spacebands : en
  • US2131389A - Container and method of making : en
  • USD111556S - Design for a belt or similar article : en
  • FR832366A - Improved method and apparatus for generating gas : en fr
  • US2131275A - Slip mounting : en
  • US2131710A - Method of treating steel : en
  • CA376811A - Carbureter : en fr
  • CH200160A - Control device on electrically driven machine tools, in particular on milling machines. : de en
  • AT154328B - Gas-filled electric light bulb. : de en
  • CH200203A - Arrangement for high frequency systems, in particular wire radio systems. : de en
  • DE665483C - map : de en
  • GB492969A - Improvement in the manufacture of alkali thiocyanates : en
  • US2131566A - Amplifier : en
  • US2131535A - Cyanidation of precious metals : en
  • US2131296A - Electric vehicle jack : en
  • US2131585A - Supply circuit : en
  • CH200214A - Brake valve for pressure medium brakes on vehicle trailers. : de en
  • FR832489A - Improvement of propeller blade manufacturing machines by reproduction : en fr
  • CA376807A - Denture brush : en fr
  • GB492869A - Improvements in or relating to umbrellas : en
  • FR832394A - Improvements in sound recording and reproduction : en fr
  • FR832606A - Manufacturing process of die-cast parts from bulk products and a binder : en fr
  • CH200136A - Speed change gear. : de en
  • GB493112A - Improvements in and relating to apparatus for playing board or like games : en
  • CH200228A - Control device on machine systems which have internal combustion engines and speed change gears driven by them. : de en
  • US2131261A - Link chain : en
  • US2131630A - Door stop : en
  • US2131691A - Fan or blower construction : en
  • US2131696A - Gas making apparatus : en
  • CH200111A - Apparatus for assessing the lighting of large surfaces. : de en
  • PL27138B1 - Orientation compass. : en pl
  • DE665468C - Spring-loaded suspension device, especially for bicycle bags, automobile and motorcycle frames : de en
  • DE665617C - Control device for the amount of material to be spun off in a spinning machine : de en
  • FR832679A - Improvements to dynamo-electric machines : en fr
  • GB492899A - Improvements in piston rings : en
  • PL27154B1 - Device for igniting gas burners. : en pl
  • AT154343B - Device for the determination of low gas pressures, especially pressures below 0¨01 mm of mercury. : de en
  • AU556937A - Improvements inthe manufacture of plaster wall or ceiling boards or slabs for buildings : en
  • FR832305A - Fixed peg for stringed instruments, with movable cylindrical plug with adjustable friction : en fr
  • US2131126A - Vulcanization of rubber : en
  • PL27134B1 - Vane rotary pump. : en pl
  • PL27047B1 - A method for the elongation of solid or hollow metal objects and a winch for carrying out the method. : en pl
  • FR832568A - Non-metallic material for electric resistances, and method of making this material : en fr
  • US2131027A - Method and apparatus for working sheet metal articles : en
  • US2131522A - Refrigerator : en
  • DE665531C - Arrangement for braking electrical machines : de en
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  • US2131641A - Electric meter service installation : en
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