• US1927657A - Cover for barrels or the like : en
  • US1927038A - Mounting for ornamental articles : en
  • US1927542A - Slitter for metal lath : en
  • DE584737C - Method and device for the magnetic determination of the vertical or north-south direction on vehicles : de en
  • US1927359A - Fiberboard and process for producing same : en
  • US1927601A - Presser foot for sewing machines : en
  • AU929632A - An improved lamb marking and operating cradle : en
  • FR752255A - Process for obtaining chlorides of metals of the cerium group free from thorium : en fr
  • FR752484A - Improvements relating to a sawtooth : en fr
  • DE584523C - Evaporator or absorber for absorption refrigerators : de en
  • DE584679C - Tube dryer : de en
  • DE584440C - Mobile depositing device for open-cast mining operations : de en
  • GB398752A - Process for the production of zinc oxide : en
  • GB398849A - Improvements relating to road vehicle lamps : en
  • GB399164A - Improvements relating to cases or receptacles for stationery or for other purposes : en
  • US1927802A - Visible index record book : en
  • US1927101A - Method and apparatus for flowing glass : en
  • US1927798A - Insect repellent paper and process for making the same : en
  • US1927376A - Process and apparatus for the mechanical production of froth : en
  • US1927078A - Snowplow : en
  • DE584357C - Multi-part, shell-like holding button with anchoring device in its own cavity for buttoning rubber suction discs on artificial teeth : de en
  • DE584528C - Rail fastening with rail guide rails welded onto the iron sleeper on both sides of the rail : de en
  • FR752327A - Watertight seal for sliding frames : en fr
  • US1927809A - Electric distribution system : en
  • USD90721S - Container therefor : en
  • US1927210A - Neurosyphilis treatment and material therefor : en
  • DE584306C - Tube rectifier : de en
  • DE584319C - Back protection plate for artificial teeth with anchoring pins : de en
  • FR752474A - Anti-theft device for automobiles : en fr
  • US1927345A - Bean snipping machine : en
  • FR752312A - : fr
  • CA335794A - Production of hydrous dextrose : en fr
  • US1927619A - Spring leaf bearing insert : en
  • DE584495C - Process for binding dust during sanding : de en
  • FR752347A - Device to make nails : en fr
  • CA335700A - Exercising machine : en fr
  • DE584521C - Cooling system with frosting cooling elements : de en
  • DE584556C - Potato harvester with a throwing wheel rotating transversely to the direction of travel and a guide and laying grate : de en
  • CA335826A - Garter fastener : en fr
  • DE584467C - Multipole socket, especially for high voltage : de en
  • DE584539C - Lubricating greases : de en
  • US1927150A - Measuring instrument for investigating gravitation : en
  • US1927171A - Collapsible display rack : en
  • GB398641A - Improvements in and relating to lacing devices for garments, sails and for analogous purposes : en
  • GB398654A - A device to aid swimmers : en
  • GB398764A - Improvements in and relating to electric connectors : en
  • US1927193A - Check-wire anchor stake : en
  • DE584138C - Process for the manufacture of finned tubes : de en
  • US1927061A - Tie back for drapes, curtains, and the like : en
  • US1927618A - Mechanic's hand tool : en
  • US1927035A - Electrical heating device : en
  • GB398594A - Improvements in the mounting of the wheel of a sidecar or the like on its chassis : en
  • DE584663C - Process for handling negatives and slides (films and plates) : de en
  • US1927596A - Process and apparatus for the combined pneumatic preliminary drying and pneumatic subsequent heating of goods : en
  • US1927795A - Protective system : en
  • US1927694A - Atmospheric roll drier : en
  • US1927696A - Shingle and fastening therefor : en
  • US1927646A - Gear shift leveer : en
  • DE584655C - Cylinder covers or pistons for internal combustion engines : de en
  • US1927534A - Roller bearing for rocker arms and the like : en
  • DE584453C - Process for the fine grinding of soft metals, in particular lead : de en
  • GB398547A - Improvements in or relating to acoustic plaster : en
  • FR752159A - Improvements made to hoists for fodder, such as hay, straw, etc. : en fr
  • US1927341A - Sectional clothesline : en
  • AU1033432A - An improved holder for hanks of yarn orthe like : en
  • FR752210A - Hot forming process of a steel with a lamellar pearlite structure : en fr
  • FR752280A - Process for the preparation of new dyes, soluble in water, of the anthraquinone series : en fr
  • US1927398A - Refrigerator : en
  • US1927610A - Medicinal infusion for treating gums : en
  • US1927811A - Machine for making tire bead cores : en
  • US1927388A - Curbing : en
  • DE584778C - Absorption chiller : de en
  • CA335715A - Nut lock : en fr
  • FR752434A - Automatic and universal polyphase armature with self-adjusting torque, for induction motors : en fr
  • US1927220A - Composition of matter using china : en
  • US1927726A - Process of preparing radioactive substances : en
  • US1927173A - Solid carbon dioxide product and method of and apparatus for making it : en
  • US1927611A - Piston : en
  • US1927642A - Automobile headlight : en
  • US1927418A - Rotary pump : en
  • US1927716A - Garment creaser : en
  • DE584354C - Photoelectric cell with a thin, transparent skin made of alkali metal as the cathode : de en
  • DE584755C - Lock for travel bags, suitcases or the like. : de en
  • GB398780A - Improvements in and relating to the manufacture of rubber products : en
  • GB398664A - Improvements in apparatus for reproducing sounds : en
  • FR752427A - Automatic coupling combined with a normal drawbar coupling : en fr
  • FR752433A - Asynchronous induction motor with specific power automatically adjustable according to the load : en fr
  • GB398610A - Improvements in or relating to coking retort ovens : en
  • US1927419A - Screw cutting machine : en
  • US1927608A - Cutting apparatus : en
  • FR752456A - Improvements to grinding machines : en fr
  • GB398645A - Improvements in or relating to clutch mechanisms : en
  • GB398704A - Improvements in and relating to low frequency amplifiers of radio receivers : en
  • FR752421A - : fr
  • DE584554C - Scythe handle support on peening machines : de en
  • GB398698A - Improved means for securing studs or bars on the soles of footwear : en
  • GB399167A - Improvements in or relating to moving display receptacles : en
  • GB398669A - Improvements in or relating to knife blades : en
  • GB398655A - Improvements in and relating to the creel arrangements of yarn winding frames and todevices for supplying bobbins thereto : en
  • FR752403A - Mustard or other pasty dispenser : en fr
  • CA335753A - Railway motor : en fr
  • DE584531C - Screwless, one-piece clamp : de en
  • GB398675A - Improvements in or relating to dental plates : en
  • FR752356A - Improvements to mechanisms for trimming and shaping the partially formed ends of cigar dolls : en fr
  • US1927039A - Honing tool : en
  • US1927759A - Inking mechanism of printing machines : en
  • AU917032A - Improvements in or relating to electrical filters : en
  • CA335832A - Cellulose material processing : en fr
  • DE584659C - Paper napkin : de en
  • DE584530C - Climbing switch for right and left branches : de en
  • US1927733A - Humidifier : en
  • DE584445C - Lubricant in the form of a coating on the workpieces to be drawn to facilitate drawing and to protect the drawing dies when drawing objects such as pipes, wires and the like. like : de en
  • DE584667C - Parking brace for hand vehicles : de en
  • DE584782C - Amplifier circuit : de en
  • GB398767A - Cement, especially for cementing the middle electrode for sparking plugs : en
  • GB398794A - A process for the manufacture of refined light hydrocarbon oils : en
  • DE584373C - Process for the preparation of ketones of the cycloolefin series : de en
  • US1927752A - Hydropneumatic power system : en
  • US1927797A - Automatic switching equipment : en
  • USD90709S - Design for a table : en
  • DE584645C - Process for the preparation of complex metal compounds of o-oxyazo dyes : de en
  • GB398642A - Improvements in or relating to safety razor blades and razors : en
  • US1927509A - Safety clutch mechanism : en
  • FR752355A - Device for the rapid and economical heating of factories or large premises using hot air : en fr
  • FR752348A - Improvements to lubrication and similar devices : en fr
  • USD90704S - Design for a table : en
  • US1927622A - Automobile emergency brake releasing mechanism : en
  • US1927579A - Wheel combination felloe and spacer ring : en
  • DK47773C - Steel or cast iron, which has reduced the tendency to rust in seawater and moist soil. : da en
  • FR752318A - Absorption refrigerator device, working intermittently : en fr
  • GB398605A - Improvements in dynamo-electric machines : en
  • US1927060A - Roller clutch : en
  • US1927295A - Process for producing acylated esters of hydroxy-acids : en
  • GB398837A - Improvements in or relating to electrical hearing aids for the deaf : en
  • DK47774C - Sharpener for razor blades. : da en
  • DE584498C - Method for fastening workpieces to one another, whereby the cement applied to the workpieces has dried : de en
  • DE584687C - Connection for hollow ropes of electrical lines : de en
  • FR752353A - Fitting for pipes and the like : en fr
  • FR752158A - Material level indicator in silo cells or other containers : en fr
  • FR752400A - Method for the determination of urea by nephelemetry : en fr
  • FR752430A - Dual indication board game brand : en fr
  • GB398575A - An improved attachment loop for chains : en
  • US1927572A - Lighter : en
  • GB398546A - Improvements in circuits for modifying the wave-form of electric signals such as telegraph signals : en
  • GB398622A - Improvements in cotton combing machines : en
  • GB398694A - Improvements in or relating to racquet presses : en
  • DE584394C - Whisk : de en
  • US1927166A - Method of adhesively joining one material to another : en
  • USD90726S - Design fob a shoe : en
  • FR752301A - Rudder and rudder shaft composed of several pieces : en fr
  • FR752335A - Spindle adjustment machine : en fr
  • US1927377A - Audio frequency thermionic amplifier : en
  • FR752305A - Suspension springs improvements : en fr
  • FR752396A - Movable flap valves for compressed gas containers : en fr
  • FR752432A - Furnace for the production of coke and coal gas : en fr
  • GB398785A - Improvements in and relating to ventilation devices : en
  • US1927677A - Material storage and handling system : en
  • GB398811A - Improvements in the insulation and construction of electric cables, wires and conductors : en
  • US1927329A - Radiator guard and method of making same : en
  • US1927755A - Method of transmitting electric potentials : en
  • GB398550A - Improvements in or relating to tripod stands for golf bags : en
  • US1927735A - Automobile wardrobe : en
  • CA335721A - Carbon chromium alloy : en fr
  • FR752415A - : fr
  • DE584341C - Method and device for closing glass tubes by means of wadding plugs or the like. : de en
  • FR752153A - Tipping device for wagons intended for transporting materials : en fr
  • FR752207A - Process for the preparation of 4-aminodiphenylamine derivatives : en fr
  • US1927177A - Hot plow : en
  • US1927278A - Holding and squeezing mechanism for paste tubes : en
  • DE584547C - Boiler system : de en
  • DE584413C - Sheet-shaped intermediate layer with solder on both sides for slot soldering : de en
  • US1927391A - Pipe-cleaning machine : en
  • US1927098A - Machine for forming internal clutch elements : en
  • US1927670A - Power operated control for draft regulators : en
  • US1927785A - Automobile automatic backstop : en
  • US1927372A - Fuse : en
  • US1927700A - Fluid pressure multiple valve control : en
  • DE584422C - Sidecar for motorcycles : de en
  • DE584721C - Device with rotatable grate bars for frying sausages : de en
  • GB398691A - Improvements in or relating to combined condensing and evaporating apparatus for refrigerating machines : en
  • DE584672C - Safety razor with sharpening arm : de en
  • DE584378C - Drum furnace for bright annealing : de en
  • FR752449A - Adjustment mechanism for steam generators : en fr
  • DE584580C - Measuring circuit for the electrical measurement of mechanical vibrations : de en
  • GB398754A - Improvements in and relating to stamping devices : en
  • DE584305C - Electric discharge tubes with three or more grids formed from helical turns : de en
  • DE584405C - Device for feeding a carbon solvent into the cylinders of an internal combustion engine : de en
  • GB398571A - Improvements in conduit fittings for electric installations : en
  • GB398792A - Apparatus for reproducing radio broadcasts or recorded audio frequencies : en
  • CA335754A - Tap manufacturing machine : en fr
  • US1927178A - Apparatus for the leveling of railways : en
  • US1927475A - High vacuum discharge vessel in particular X-ray tubes : en
  • DE584477C - cleaning supplies : de en
  • FR752481A - Funerary monument in thin granite slabs, with hidden joints : en fr
  • FR752201A - Soot and dust evacuation device by gravity : en fr
  • FR752262A - Portable winch for the suspension and manual operation of flying scaffolds : en fr
  • US1927258A - Combination milk can support, opener, and dispensing device : en
  • US1927613A - Boiler charging apparatus for fireless locomotive terminals : en
  • FR752343A - Improvements to off-set lithographic presses and letterpress printing presses : en fr
  • GB398741A - Improvements in or relating to box strap seals or fasteners : en
  • CA335709A - Anti-freeze radiator : en fr
  • DE584656C - Pistons for internal combustion engines with piston rings that seal due to the operating pressure : de en
  • US1927096A - Riveting machine : en
  • CA335809A - Pyrometer control : en fr
  • DE584534C - Machine for making multi-core electrical cables : de en
  • CA335802A - Railway wheel tire : en fr
  • DE584324C - Device for removing awn from grain, removing the stems from oats, etc. : de en
  • DE584734C - Magnetic compass, especially for aircraft : de en
  • US1927049A - Blanket stretcher : en
  • DE584408C - Diesel machine with utilization of exhaust gas and cylinder heat by dusting highly heated pressurized water in the working cylinder : de en
  • DE584619C - Coupling for conveyor wagons and similar vehicles : de en
  • GB398871A - Improvements in or relating to methods of synchronising television apparatus : en
  • FR752386A - Method and device for washing laundry : en fr
  • DE584382C - Telegraph relay : de en
  • DE584703C - Process for the production of silicate-containing condensation products from taurines with fatty acid chlorides according to Schotten-Baumann : de en
  • FR752219A - Automotive brake lever-lock : en fr
  • US1927212A - Arched cap bottle seal : en
  • US1927234A - Emasculating implement : en
  • US1927413A - Dialing device : en
  • DE584544C - Device for juicing lemons, oranges and. like : de en
  • DE584277C - Device to compensate for differences in length of films during contact copying, especially for sound film copying machines : de en
  • GB398687A - Improvements in or relating to static pressure indicating devices : en
  • US1927489A - Sewing machine feeding mechanism : en
  • GB398855A - Improvements in or relating to the manufacture of laminated non-splintering glass : en
  • FR752328A - Closure for bottles that do not need to be refilled : en fr
  • GB398563A - Improvements in safety razors : en
  • CA335732A - School bench and desk : en fr
  • US1927367A - Swivel coupling : en
  • US1927644A - Motor mounting : en
  • USD90729S - Design for a textile fabric or : en
  • DE584780C - Device for suspending automatic couplings, especially for railway vehicles : de en
  • FR752287A - Advanced powder : en fr
  • USD90742S - Design for a plate or similar : en
  • DE584464C - Machine for the production of the anodes of dry batteries : de en
  • FR752408A - Hinged metal blind : en fr
  • US1927349A - Cutter for textile material : en
  • US1927409A - Milling cutter : en
  • DE584725C - District hot water heating system : de en
  • FR752410A - Device for presenting articles : en fr
  • DE584446C - Process for gas fusion welding of pipes : de en
  • US1927232A - Dirigible headlight : en
  • US1927272A - Shade : en
  • DE584484C - Reduction gear : de en
  • GB398614A - A new or improved velveteen or weft pile fabric : en
  • GB398822A - Improvements in and relating to isolating switches for use with overhead electric lines : en
  • DE584452C - Drive for control devices : de en
  • DE584650C - Carpet beating frame with carpet holding device arranged next to the beating bar : de en
  • GB398787A - Improvements in brake operating mechanism for road vehicles : en
  • US1927100A - Fruit coloring room : en
  • US1927208A - System of starting alternating current motors : en
  • US1927237A - Railway car brake mechanism : en
  • DE583836C - Method for manufacturing an equipotential cathode : de en
  • USD90706S - Design for a chair : en
  • US1927477A - Machinery packing : en
  • US1927510A - Cooling unit for refrigerating apparatus : en
  • US1927123A - Process of treating crustaceans to prevent coloration therein : en
  • US1927754A - Television scanning device : en
  • US1927238A - Furniture seat : en
  • US1927247A - Method of making propeller blades : en
  • DE584698C - Suspender clip : de en
  • CA335752A - Lamp lens : en fr
  • FR752290A - Improvements to helical springs : en fr
  • US1927714A - Engine starter : en
  • FR752423A - : fr
  • US1927794A - Differential protection for electric apparatus : en
  • DE584391C - Device for lifting an endless glass ribbon from the melt by means of a drawing nozzle : de en
  • DE584649C - Floor processing machine : de en
  • DE584337C - Chassis for three-axle vehicles, especially motor vehicles : de en
  • GB398863A - Improvements in or relating to brake lining material : en
  • GB398555A - Improvements in stuffing box packing : en
  • IE13414L - Impts. in or relating to movable wires with supporting¹structure on the high level water side. : en
  • FR752179A - Improvements to adjustment systems : en fr
  • GB398872A - A means of producing artificial lava for use as an aggregate in the production of bituminous concrete or asphalt : en
  • GB398859A - Improvements in or relating to connectors for electric conductors : en
  • GB398564A - Improvements relating to grab buckets : en
  • DE584410C - Device for transporting plates and panels through acid treatment baths, ovens or the like. : de en
  • DE584717C - AC undervoltage release for electrical circuit breakers with hammer action of the release armature : de en
  • FR752435A - Improvements to bicycle housings : en fr
  • FR752451A - Improvements to domed articles, such as pistons, and their manufacture : en fr
  • GB398821A - Improvements in or relating to the valve mechanism of internal combustion engines : en
  • USD90705S - Design for an armchair : en
  • US1927309A - Aircraft : en
  • DE584334C - Paper bottle : de en
  • DE577575C - Procedure for the detection of udder secretion abnormalities : de en
  • DE584283C - Methods of cooking, heating and pasteurization : de en
  • DK47781C - Reinforced concrete beam. : da en
  • DE584463C - Coil winding for induction coils, especially four-way transmitters : de en
  • GB398788A - Improvements in or relating to apparatus for spraying liquids : en
  • USD90696S - Design for a bassinet : en
  • FR752333A - Drying felt for paper and board machines : en fr
  • GB398831A - A new or improved means for lifting or jacking-up automobiles and other road vehicles : en
  • CA335836A - Textile material processing : en fr
  • DK47790C - Mirror device for chests of drawers and similar drawer furniture. : da en
  • FR752277A - Improvements to power supply and control systems for synchronous and asynchronous machines : en fr
  • GB398801A - Improvements in or relating to the manufacture of cellulose or cellulosic materials : en
  • GB398671A - Improvements in or relating to the preparation of diazo-types : en
  • US1927020A - Automatic take-up for engine valve mechanisms : en
  • US1927517A - Method of fumigation : en
  • US1927554A - Method of apparatus for heating internal combustion engines to facilitate starting : en
  • US1927456A - X-ray tube : en
  • US1927770A - Crank case lubricating system : en
  • FR752292A - : fr
  • FR752494A - Advanced roller for massage : en fr
  • US1927464A - Compression coupling : en
  • USD90697S - Design for a bathing sandal : en
  • US1927525A - Reversing valve gear : en
  • FR752482A - Soot separator : en fr
  • US1927499A - Hollow piston hammer : en
  • USD90743S - Design fob a mirror : en
  • FR752240A - Device for recording sound films by means of numerous microphones : en fr
  • GB398731A - Improvements in brackets for supporting curtain rails : en
  • GB398778A - Improvements in or relating to portable electric vacuum cleaning machines : en
  • US1927117A - Preparation of painting materials : en
  • US1927298A - Process of distilling tar and apparatus therefor : en
  • GB398856A - Improvements in or relating to circuits for photoelectric cells : en
  • FR752191A - Carbon ring packing for turbine shafts and others : en fr
  • GB398697A - Nut tapping machine : en
  • US1927200A - Cigarette and match package : en
  • US1927187A - Treatment of hydrocarbon oils : en
  • DE584431C - Sports ball cover with facility for electrical lighting : de en
  • US1927431A - Iron stand : en
  • DE584385C - Method for the determination of weak points in electrical transmission lines : de en
  • DE584287C - Bearings for stub axles with subsequent emergency operation, especially for rail vehicles : de en
  • FR752424A - Mechanical racing game : en fr
  • FR752458A - Improvements to carpets or rugs : en fr
  • DE584320C - Artificial pair of incisors : de en
  • DE584412C - Method for planing the teeth of conical toothed pulleys, especially for P.I.V. variable speed gears : de en
  • US1927487A - Fluid pressure apparatus : en
  • US1927736A - Mail box signal : en
  • US1927773A - Electroplating chromium, etc., on iron, etc. : en
  • DE584321C - Grater-like kitchen utensil, especially for dicing onions : de en
  • DE584485C - Automatic dividing head with several dividing spindles : de en
  • US1927698A - Fruit packing device : en
  • US1927317A - Overflow tank for radiators : en
  • US1927406A - High-voltage direct-current con : en
  • US1927582A - Combined filter and check valve : en
  • US1927586A - Interlocking shingle : en
  • CA335757A - Friction element making machine : en fr
  • USD90744S - Design for a beverage dispensing : en
  • FR752181A - Automotive welding or cutting machine : en fr
  • FR752417A - System for automatic coupling of direct current machines : en fr
  • GB398791A - Hydraulic drive of working machines, especially machine tools with long strokes and great speeds of the engine part with reciprocating motion : en
  • US1927387A - Tent : en
  • GB399160A - Television reception arrangement with braun tube : en
  • US1927585A - Paper feeding mechanism : en
  • US1927661A - Process for treating electrodes : en
  • FR752358A - Method and apparatus for shredding sheets of pulp : en fr
  • GB398672A - Improvements in or relating to building materials : en
  • FR752269A - Comb to decouple black hair : en fr
  • GB398567A - Improvements in hydrocarbon oil treatment : en
  • GB398703A - Improvements in and relating to collecting and purifying containers for the sealing liquid of waterless gas holders : en
  • GB398798A - Improvements in and relating to means for converting direct current into polyphase alternating current : en
  • FR752332A - Improvements to the valve control mechanism of internal combustion engines : en fr
  • GB398860A - Luminous vacuum tube for television, telecinematography and like applications : en
  • DE584110C - Process for the production of acids from naphtha hydrocarbons : de en
  • DE584654C - Ten switching device for calculating machines : de en
  • GB398712A - Improvements in and relating to liquid-break electric switches : en
  • FR752381A - Silencers for explosion engines : en fr
  • US1927321A - Carton : en
  • USD90741S - Design for a portable electric : en
  • DE584297C - Device for establishing a conductive connection between two mutually movable contact parts, in particular for switching pins of switches : de en
  • DE584466C - Cable system for floor heating : de en
  • DE584514C - Clothespin made of wood or the like. : de en
  • US1927778A - Door hinge : en
  • GB398809A - Improvements in and connected with the lining or coating of metal objects with dissimilar metals : en
  • USD90711S - Design for a sofa : en
  • US1927426A - Carburetor : en
  • US1927452A - Production of benzines, benzenes, and other hydrocarbons from coal tars and oils : en
  • AU820132A - Improvements in or relating tothe manufacture of building blocks andother preformed moulded articles : en
  • GB398762A - Improvements in or relating to safety devices for electric blasting detonators : en
  • AU105165B2 - Process for producing valuable liquid hydrocarbons from normally gaseous olefinic hydrocarbons : en
  • DE584617C - Central buffer coupling for vehicles, especially railway vehicles : de en
  • GB398718A - Improvements in and relating to stocking protectors : en
  • GB398745A - Improvements in or relating to web severing devices : en
  • US1927674A - Manufacture of footed glassware : en
  • US1927791A - Method of perforating sheet metal : en
  • GB398761A - Improvements in or relating to magnesium base alloys : en
  • GB398685A - Improvements in and relating to the production of protective coatings on iron and steel articles : en
  • GB398772A - Improvements in or relating to electric accumulators : en
  • FR752184A - Automatic shut-off device for compressed air in the pipes : en fr
  • DE584533C - Insulated electrical conduit and method of making the same : de en
  • GB398724A - Process for the electrical separation of suspended particles from gaseous fluids : en
  • US1927370A - Fuse plug : en
  • DE584618C - Transfer coupling for railway vehicles : de en
  • CA335699A - Wind actuated apparatus : en fr
  • DE584349C - Process for obtaining the sex hormones excreted in the urine : de en
  • FR752461A - Illumination device in incident light of microscopic objects : en fr
  • GB398799A - Improvements in electric discharge lamps : en
  • AU917132A - Improvements in or relating to modulated carrier wave communication systems : en
  • DE584683C - Method for patterning paper or fabric webs : de en
  • FR752407A - Improvements to the measurement of time by means of two conjugate pendulums : en fr
  • US1927347A - Extensible hanger for clothes : en
  • AU1055932A - Improvements in the manufacture of glass tubes : en
  • CA335706A - Extra air valve for engines : en fr
  • US1927284A - Film cleaning device : en
  • FR752182A - Installation for parallel operation of gas or vapor discharge devices controlled by grid : en fr
  • FR752230A - removable prop : en fr
  • FR752326A - Dynamic process for balancing masses : en fr
  • GB398806A - Improvements in multiple roller machines for compressing and gauging the thickness of concrete or other composition slabs, tiles and the like : en
  • GB398653A - Improvements in packing devices for rotating shafts : en
  • GB398734A - Improved process and apparatus for producing flash light : en
  • DE584460C - Device for aligning needles and other wire shafts sharpened on one side : de en
  • US1927017A - Vending machine feed mechanism : en
  • CA335703A - Yarn bunching motion : en fr
  • US1927257A - Furnace arch roof and tile for building the same : en
  • FR752313A - Apparatus for stirring the salad : en fr
  • GB398693A - Improvements in electric incandescent lamps : en
  • CA335768A - Acetone production from acetylene : en fr
  • US1927368A - Four-stroke internal combustion engine : en
  • CA335837A - Textile material processing : en fr
  • CA335746A - Highway guard fence : en fr
  • GB398663A - Improvements in hones for sharpening razor blades : en
  • US1927416A - Cage : en
  • US1927495A - Cleaning apparatus : en
  • US1927087A - Glass transfer mechanism : en
  • USD90720S - Design fob a box : en
  • DE584570C - Waste rinsing device for different amounts of water : de en
  • US1927326A - Lifting jack : en
  • CA335720A - Dental plate : en fr
  • US1927280A - Distillation of tar : en
  • DE583887C - Carburetor device : de en
  • DE583169C - Bicycle hub cleaner : de en
  • DE584535C - Electric motor with two coaxial runners lying within a common stand : de en
  • GB398692A - Improvements in cigar making machines : en
  • US1927519A - Train control system : en
  • CA335817A - Vibrating centrifugal mould : en fr
  • DE584432C - Snowshoes made of light metal sheet : de en
  • FR752284A - Patience game : en fr
  • GB398570A - Improvements in variable electrical inductance devices : en
  • US1927028A - Display device : en
  • US1927262A - Method and means for constructing matrices for stereotypes : en
  • US1927744A - Signal or alarm system : en
  • CA335748A - Summer-fallow drifting preventing machine : en fr
  • US1927598A - Portable elevating table : en
  • US1927313A - Apparatus for drying starch : en
  • US1927148A - Water treatment : en
  • DE584512C - When the gas flame goes out, the gas burner shuts off automatically : de en
  • GB398709A - Improvements in and relating to windshield wipers : en
  • CA335717A - Fabric printing method : en fr
  • CA335840A - Sign : en fr
  • US1927484A - Shift mechanism : en
  • US1927649A - Steam generator : en
  • US1927680A - Road grader : en
  • DE584505C - Wind power machine with propeller blades that can be adjusted by their own centrifugal force against the action of springs : de en
  • GB398769A - Improvements in and relating to methods of securing electric insulators : en
  • DE584503C - Drying device for moist substances that tend to stick and, when dry, very dusty substances : de en
  • CA335736A - Fumigating gas generator : en fr
  • CA335821A - Rolling mill : en fr
  • US1927593A - Air conditioner : en
  • DE584420C - Device for holding luggage on bicycle handlebars : de en
  • GB398838A - Improvements in or relating to apparatus for measuring or indicating the power factor of an alternating current supply system : en
  • DE584448C - Device for loosening up square filter surfaces made of grainy material : de en
  • GB399151A - Improvements in or relating to photographic processes : en
  • CA335767A - Electrical circuit breaker : en fr
  • AU914232A - Dyeing fluid and fixative : en
  • DK47779C - Sleeping bag and procedure for the manufacture of this or other woven fabrics consisting of two or more layers. : da en
  • GB398773A - Improvements relating to distributors for sewage, waste waters or the like : en
  • DE577813C - Starter with single-track field winding : de en
  • DE584661C - Pan mill : de en
  • FR752164A - Clutch and release device : en fr
  • CA335781A - Drill bit : en fr
  • GB398683A - A process for cleaning wool and other fibres : en
  • FR752320A - Improvements in devices and methods for homogenizing the charge of cylinders of internal combustion engines : en fr
  • USD90718S - Design for a textile fabric or : en
  • GB398617A - Improvements in or relating to sliver balling machines : en
  • FR752383A - Improvements made to the neutral suspension of a mobile rotating around its axis : en fr
  • GB398866A - Automatic control means for water heaters : en
  • USD90717S - Design for an automobile bumper : en
  • USD90724S - Design for a clock face : en
  • FR752412A - Improvements to comb regulators for electrical machines : en fr
  • FR752469A - Gitage in hollow body : en fr
  • US1927316A - Electric vaporizer : en
  • US1927808A - Rubber shock insulator : en
  • GB398681A - Improvements in and relating to electric couplings of the plug and socket type : en
  • DE584519C - Suction device for lifting or conveying sheets : de en
  • DK47788C - Magnetic system for acoustic devices of electromagnetic, preferably balanced, Art. Speakers. : da en
  • FR752498A - Locking self-tapping screw : en fr
  • GB398720A - Improvements in measuring and levelling appliances for dressmakers and the like : en
  • DK47785C - Distortion Reducing Amplifier Coupling for Remote Message Cables. : da en
  • FR752350A - Process for the manufacture of solutions of vulcanized rubber in organic solvents in fine colloidal and even molecular dispersion : en fr
  • US1927463A - Refacing tool for threaded members : en
  • US1927549A - Wall papering machine : en
  • US1927430A - Method and mechanism for lubricating locomotive driving rod journals : en
  • US1927498A - Belt for fourdrinier machines : en
  • US1927260A - Remote control for radios and the like : en
  • US1927305A - Brake drum : en
  • US1927724A - Fishing rod : en
  • FR752354A - Flanged joints for pipes or pressure vessels : en fr
  • FR752275A - Automatic regulator for ignition devices, in particular for battery ignition devices for motorcycles : en fr
  • GB398643A - Improvements relating to golf clubs : en
  • USD90699S - Design for a spinning top : en
  • FR752344A - Hair removal method and apparatus : en fr
  • FR752363A - Hydropneumatic suspension for motor cars and others : en fr
  • US1927183A - Method of manufacturing wire pull bottle caps : en
  • US1927132A - Wheel grip for traction wheels : en
  • US1927467A - Centrifugal casting machine : en
  • US1927638A - Electrical receptacle : en
  • DK47769C - Device for spectacles or night nets, the glass of which has two focal lengths. : da en
  • DE584564C - Device for automatic complete shut-off of the fuel supply to the drive engine of motor vehicles to reduce fuel consumption : de en
  • US1927048A - Die stock : en
  • US1927029A - Nozzle for can openings and the like : en
  • DE584461C - Pleated iron : de en
  • FR752180A - Improvements made to lightning arresters and all vacuum bulbs : en fr
  • US1927352A - Airplane : en
  • DE584366C - Pipe roller : de en
  • FR752271A - Method and apparatus for the manufacture of unitary products of thick and flattened cross-section : en fr
  • FR752286A - : fr
  • GB398667A - Condenser with variable capacity : en
  • GB398790A - Improvements in devices for the generation of sulphuric acid : en
  • US1927427A - Locking device for camera shutteroperating members : en
  • US1927710A - Hand truck : en
  • US1927772A - Electroplating aluminum, etc., on copper, etc. : en
  • FR752170A - Apparatus for taking measurements and establishing the cutting line of clothing : en fr
  • GB398604A - Manoeuvre signalling device for motor omnibuses, and other road vehicles : en
  • GB398826A - Improvements in thermionic valve amplifiers : en
  • DE584526C - Loading device for heating and glow furnaces : de en
  • DK47784C - Dry Clock Gas Tank with Central Clock Control. : da en
  • FR752331A - Apparatus for candying eggs : en fr
  • GB398747A - A method of and apparatus for slushing bales of fibrous material or sheeted pulp : en
  • GB398823A - Variable pitch screw propeller : en
  • GB398566A - Improvements in or relating to the treatment of hydrocarbon oil : en
  • GB398739A - Improvements in stay bolts for steam boiler furnaces : en
  • FR752265A - Tool to wind, hold, smooth, flake and butt leathers : en fr
  • FR752300A - Process for the distillation of carboniferous masses, in particular crude lignite : en fr
  • GB398677A - Improvements in or relating to the manufacture of footwear : en
  • GB398771A - Improvements in the manufacture of flexible packing or jointing materials : en
  • DE584638C - Device to prevent the harmful effects of heat movements by means of elastically flexible sections in winding parts of electrical machines : de en
  • US1927449A - Battery terminal connection : en
  • US1927478A - Proving ring : en
  • USD90715S - Design for an automobile bumper : en
  • US1927082A - Amplifier : en
  • DE584724C - Device suspension device on stoves or the like. : de en
  • DE584752C - Holding device for vessels, bottles or the like in vessel treatment machines : de en
  • DE584610C - Reversible chamber superheater for ship cylinder boilers : de en
  • US1927079A - Heat convector : en
  • US1927637A - Device for measuring the elongation of filaments : en
  • DE584455C - Pneumatic tube system : de en
  • US1927233A - Mechanical toy : en
  • CA335844A - Facsimile transmission system : en fr
  • DE584479C - Process for the production of prepared synthetic fibers or films from cellulose esters : de en
  • DE584598C - Method and device for the wet treatment of individual textile items, in particular hat stumps : de en
  • GB398585A - Improvements in poultry feeding devices : en
  • DE584684C - Machine for cutting sheets of paper into parallel strips : de en
  • USRE18954E - Upholstery edge : en
  • DK47782C - Razor. : da en
  • AU985132A - An improved method of toughening and waterproofing paper andthe like : en
  • FR752282A - Airtight container for food or other products : en fr
  • GB398728A - Improvements in devices for controlling vehicle brakes employing hydraulic pressure : en
  • GB398853A - Improvements in or relating to radio and other high frequency modulated carrier wave systems : en
  • DE584733C - Device for checking the correct position of bores in preferably plate-shaped mass parts : de en
  • US1927235A - Universal time clock : en
  • FR752345A - Turbine for small powers : en fr
  • US1927688A - Method and means for making hose connections : en
  • US1927728A - Form cylinder for offset-printing machines : en
  • US1927520A - Optical illuminator : en
  • DE584471C - Winding machine for inserting the winding in slots, in particular for stands of electrical machines : de en
  • DE584363C - Bending machine : de en
  • DE584395C - Luffing crane : de en
  • DE584552C - Needle holder for sound boxes of speaking machines : de en
  • DE584701C - Arrangement for ironing machines, especially for house linen : de en
  • FR752226A - Track circuit with rails without potential or brought to the same potential : en fr
  • GB398777A - Improvements in double sided twisting machines with superposed rows of spindles : en
  • DE584317C - Process for the production of support bodies for dental purposes : de en
  • DE584690C - Process for the production of beryllium : de en
  • US1927027A - Method of preventing the forma : en
  • US1927631A - Vacuum tube : en
  • DE584537C - Carrying device, especially for electrically heated jet ovens : de en
  • US1927136A - Production of cresol ethers alkylated in the nucleus : en
  • US1927740A - Swab : en
  • USD90737S - Design fob an automobile radiator : en
  • DE584673C - Device for remote reporting of a water level in case of ice formation : de en
  • DE584339C - Filling device : de en
  • DE584389C - Heating device for electric glass furnaces : de en
  • DE584428C - Illuminated circuit diagram to show the operating status of a distribution system for flowing media : de en
  • US1927243A - Pin safety catch : en
  • US1927634A - Furnace : en
  • DE584567C - Hinged key : de en
  • DE584747C - Spring-mounted swing arm for running discs of band saws : de en
  • FR752471A - Sealing device for the production tube in the oil probes : en fr
  • US1927490A - Bell for blast furnaces : en
  • FR752236A - Process for making an aging resistant rubber : en fr
  • US1927400A - Method of applying and vulcanizing an insulating compound : en
  • USD90719S - Design for a finger ring : en
  • CA335726A - Rotary valve gear : en fr
  • CA335793A - Alkaloid extraction : en fr
  • CA335806A - Elevator control apparatus : en fr
  • CA335780A - Glassware handling apparatus : en fr
  • US1927706A - Container : en
  • US1927064A - Foxing treating machine : en
  • US1927630A - Sharpener for lawn-mowers and the like : en
  • US1927813A - Process of accelerating the production of butyric acid by fermentation : en
  • CA335701A - Music sheet reel : en fr
  • US1927621A - Spark plug : en
  • US1927779A - Antiskid device : en
  • US1927385A - Method of purifying and mixing fats and waxes : en
  • US1927788A - Wax applicator : en
  • CA335808A - Hair waving covering : en fr
  • DE584591C - Cleaning system for washing liquids that works according to the centrifugal process : de en
  • CA335805A - Tag feeding and string cutting mechanism : en fr
  • DE584507C - Self-sealing coke oven door : de en
  • FR752154A - Device for obtaining new light effects and intended to be applied in particular to luminous advertising, to the lighting of theaters stages : en fr
  • US1927763A - Process for the electrothermal treatment of materials containing volatile metals or metal oxides : en
  • FR752373A - Fixing device for the different blades on roll cutting machines or similar machines : en fr
  • CA335710A - Mail chute : en fr
  • CA335702A - Cement, concrete and mortar : en fr
  • US1927472A - Process for the manufacture of shellac substitutes : en
  • FR752361A - : fr
  • GB398730A - Process for producing wood cellulose comparable to cotton, with high content of alkali resisting cellulose : en
  • GB398844A - Improvements in and relating to convertible bed-settees and the like : en
  • FR752491A - Improvements in manufacturing processes for belts of rubber or similar materials, having characteristics similar to those of latex : en fr
  • US1927684A - Carburetor for internal combustion engines : en
  • US1927440A - Switch : en
  • US1927454A - Manufacture of containers and closures therefor : en
  • US1927497A - Pumping mechanism : en
  • CA335716A - Textile material processing : en fr
  • CA335723A - Apparatus for treating liquids with ultra-violet light : en fr
  • CA335789A - Locomotive : en fr
  • DE584450C - Device for producing a perforated strip for driving die setting and line casting machines : de en
  • FR752339A - Formwork for reinforced concrete constructions, in particular for ceilings and floors : en fr
  • DE584462C - Process for the production of uniform colors on piece goods made of viscose silk : de en
  • DE584577C - Process for the preparation of dyes of the anthraquinone series : de en
  • DE584393C - Method for dividing the front end of a continuously produced wire glass ribbon : de en
  • DE584761C - Water column machine with two working pistons connected axially one behind the other by a rack : de en
  • AU1010932A - Dual capacity paper dielectric fixed condensers : en
  • FR752264A - Flexible transmissions improvements : en fr
  • FR752367A - Process for the improvement of vegetable fibrous materials : en fr
  • GB398595A - An improved collapsible crate or box : en
  • CA335823A - Rotary flying shear mechanism : en fr
  • DE584596C - Device for switching off jiggers after a predetermined number of switches : de en
  • DE584732C - Flange hole gauge : de en
  • CA335825A - Internal combustion engine : en fr
  • CA335744A - Carbonaceous fuel burning apparatus : en fr
  • USD90728S - Design for an amusement machine : en
  • US1927806A - Device for moistening gummed surfaces : en
  • US1927201A - Railway braking apparatus : en
  • CA335765A - Power transmission mechanism : en fr
  • AU824032A - Improvements in and relating to electrically heated kettles or similar containers : en
  • CA335792A - Electric cable : en fr
  • DE584736C - Device for setting a desired course direction of aircraft in wind : de en
  • DE584779C - Coupling device for railway vehicles : de en
  • US1927408A - Cigarette package : en
  • US1927544A - Hair waving apparatus : en
  • US1927653A - Truck body : en
  • US1927777A - Method of manufacturing highvalued nitrogen compounds : en
  • US1927051A - Apparatus for treating drill bits : en
  • US1927678A - Transfer track section : en
  • US1927692A - Telegraph exchange system : en
  • US1927120A - Traffic light : en
  • US1927134A - Electrically actuated valve : en
  • US1927502A - Vending machine : en
  • US1927682A - Circular swing : en
  • US1927348A - Rotary valve for internal combustion engines : en
  • FR752550A - Illuminated rear signage plate : en fr
  • GB398682A - Improvements in or relating to couplings for tubes and fittings : en
  • GB398757A - Improvements in and relating to bearing brackets : en
  • US1927444A - Motor vehicle safety system : en
  • US1927111A - Retinoscope : en
  • DE584727C - Process for making slippers and shoes from felt : de en
  • GB398660A - Improvements in and relating to the creel arrangements of yarn winding frames and todevices for supplying bobbins thereto : en
  • CA335818A - Hydrocarbon oil conversion : en fr
  • DE584671C - Snap lock for cupboards with double doors : de en
  • FR752376A - Sliding roof for closed vehicles : en fr
  • US1927115A - Water-insoluble mono-azodyestuff and fiber dyed therewith : en
  • GB398714A - Improvements in shirts : en
  • US1927524A - Steam engine inlet valve gear : en
  • US1927559A - Elevator door operating mechanism : en
  • CA335708A - Casein drying apparatus : en fr
  • CA335834A - Textile material : en fr
  • US1927252A - Brake shoe : en
  • USD90739S - Design for a combined display rack : en
  • US1927423A - Window and weather strip for windows : en
  • US1927144A - Dyeing of textile materials : en
  • US1927493A - Converter : en
  • US1927332A - Lock : en
  • US1927333A - Lubricating device for locomotive journal boxes : en
  • FR752285A - : fr
  • GB398674A - Improvements in or relating to pieces for playing card games : en
  • FR752273A - Improvements to glasses : en fr
  • CA335819A - Hydrocarbon oil conversion : en fr
  • US1927397A - Electrical fuse : en
  • US1927507A - High pressure compressor packing : en
  • US1927457A - Brake : en
  • DE584364C - Bead bar for bead machines : de en
  • USD90695S - Design for a tub or similar : en
  • DK47780C - Automatic Opbanking machine. : da en
  • GB399158A - Improvements in and relating to railway switches or points : en
  • US1927287A - Coffee maker : en
  • US1927558A - Walking toy : en
  • US1927165A - Wardrobe bag : en
  • US1927209A - Control apparatus for automobiles : en
  • US1927229A - Oil filter for automobiles and the like : en
  • US1927442A - Trussed structure and method and shapes therefor : en
  • US1927729A - Tire and rim : en
  • DE584623C - Antenna arrangement, especially for mobile devices : de en
  • FR752450A - TV system : en fr
  • GB398686A - Improvements in the manufacture of powder-puffs : en
  • GB398737A - Improvements in or relating to chairs, settees and like seats : en
  • DE584457C - Water reserve : de en
  • GB398634A - Improvements in wringing and mangling machines : en
  • GB398549A - An improved automatic burglar alarm and/or burglary preventive device : en
  • GB398735A - Improvements in and relating to methods of preserving food and apparatus therefor : en
  • GB399165A - An improved method of producing seamless loud speaker diaphragms : en
  • US1927443A - Apparatus for expanding trussed beams : en
  • FR752323A - Instrument for making waves in water : en fr
  • DE584482C - Process for producing sheet metal shapes : de en
  • FR752225A - Improvements to automatic or semi-automatic telephone systems, or other similar systems : en fr
  • US1927671A - Method for treating copper alloys : en
  • DE584607C - Process for the production of coke with the simultaneous production of light oils : de en
  • FR752444A - Tightening loop used to vary the useful length of thongs or similar bands, particularly applicable to suspenders : en fr
  • GB398607A - Improvements in electric discharge devices : en
  • GB398867A - Improvements in and connected with gauge glasses and the like : en
  • DE584648C - Device for introducing cotton wool and Like. In fine channels, z. B. in tooth root canals : de en
  • FR752329A - Wooden wheel for horse-drawn vehicle : en fr
  • DE584384C - Device for observing or recording the course of time-varying voltages : de en
  • DE584715C - Measuring device for open high-frequency circuits : de en
  • GB398836A - Improvements in or relating to electrical hearing aids for the deaf : en
  • US1927767A - Self-draped curtain : en
  • GB398587A - Improvements in or relating to dresses, skirts and other similar wearing apparel : en
  • FR752252A - : fr
  • GB398601A - Improvements in or relating to the production of spirits, oils and the like from coal or similar materials : en
  • DE584465C - Machine for pasting and filling of grid plates placed one behind the other for accumulators : de en
  • DE567601C - Production of hydrogen peroxide : de en
  • DE584510C - Wall box for concealed installation : de en
  • GB398824A - Improvements in electric discharge lamps : en
  • US1927565A - Dash receptacle : en
  • DE567569C - Device for attaching the beaker to vacuum flasks : de en
  • DE584506C - Membrane gas pressure regulator with automatic closure in the event of excess or negative pressure : de en
  • DE584310C - Discharge tubes with holding device for a protective cap : de en
  • DE584509C - Circuit for measuring the anticipated interference from current sources, especially direct current sources, on telephone circuits : de en
  • DE584575C - Transformer for drawing two-phase currents from a three-phase network : de en
  • DE584576C - Process for the production of bare electrodes for arc welding : de en
  • FR752268A - Improvements to television systems : en fr
  • FR752453A - Lubricating device for compressors : en fr
  • DE584716C - Electromagnetic overcurrent switch : de en
  • US1927085A - Hydraulic apparatus : en
  • DE584350C - Circuit arrangement with multiple free choice by call seekers : de en
  • DE584706C - Process for the preparation of anthraquinone derivatives : de en
  • FR752204A - Apparatus intended for the training of automobile drivers : en fr
  • DE584583C - Belt connector made from knock-in wire hooks : de en
  • US1927595A - Household oil burner : en
  • DE584497C - Method of attaching soles to shoes using pyroxiline putty : de en
  • DE584693C - Optical lighting device : de en
  • AU861532A - Food and water fountain for birds andother animals : en
  • CA335822A - Reel : en fr
  • US1927461A - Dishwashing machine : en
  • US1927343A - Combined shipping and merchandise dispensing container : en
  • CA335737A - Coupler : en fr
  • CA335747A - Combined valve and seat cutter : en fr
  • CA335696A - Fire door apparatus : en fr
  • CA335830A - Textile material delustering method : en fr
  • US1927277A - Grinding mill : en
  • US1927469A - Safety grip for ladders : en
  • FR752247A - Method of microscopic examination of the constitution of surfaces and instrument intended for this examination : en fr
  • CA335743A - Carbonaceous fuel burning method : en fr
  • DE584348C - Production of alkali phosphates from metal phosphorus compounds : de en
  • US1927651A - Channel sheath : en
  • DE584496C - Grinding tool with handle with at least three grinding surfaces of different grain : de en
  • US1927392A - Safety razor blade sharpening machine : en
  • US1927715A - Magneto-electric generator : en
  • US1927719A - Pipe wrench : en
  • USD90693S - Design for a service station : en
  • US1927154A - Method and alpha machine for grinding of tuning-tongues : en
  • US1927539A - Use of lactates in brushing lacquers : en
  • US1927599A - Turtle trap : en
  • US1927650A - Method of and device for making vitreous objects : en
  • US1927264A - Door holder : en
  • US1927390A - Pipe coupler : en
  • US1927751A - Cover for hot-water bags and the like : en
  • USD90713S - Design for a tea cart : en
  • DE584640C - AC break hole winding with symmetrical phase and conductor distribution and multiple parallel connection : de en
  • US1927283A - Display stand : en
  • US1927567A - Apparatus for forming hog troughs : en
  • US1927654A - Bowling ball : en
  • US1927052A - Aluminium solder : en
  • US1927796A - Lamp supporting structure and the like : en
  • US1927246A - Fire extinguisher : en
  • US1927380A - Means for supporting oscillating masses : en
  • US1927436A - Shingle : en
  • CA335790A - Card novelty : en fr
  • US1927771A - Calculating machine : en
  • DE584629C - Automatic winding device for connecting electrical lines : de en
  • IE12675L - Circuit breakers : en
  • AU777132A - An improved machine for vending tickets : en
  • USD90745S - Design for a seat : en
  • US1927451A - Compression coupling : en
  • US1927292A - Chenille making machine : en
  • US1927504A - Level : en
  • US1927417A - List saving cloth rest : en
  • FR752155A - Improvements in the construction of metal boats : en fr
  • FR752371A - Improvements to centrifugal governors for reciprocating motors : en fr
  • FR752267A - Method and apparatus for the manufacture of insulating and lightweight building boards : en fr
  • US1927656A - Pipe joint : en
  • US1927285A - Glare eliminator : en
  • US1927810A - Pile fabric : en
  • FR752499A - : fr
  • FR752214A - Box : en fr
  • GB399188A - Improvements in securing devices for illuminating globes : en
  • FR752315A - Combination coat rack, tie rack and mirror for suitcases, trunks, wardrobes and the like : en fr
  • DE584563C - Process for the production of particularly active fluorescent screen substances for cathode ray excitation : de en
  • DE584695C - Process for the production of aqueous bitumen emulsions : de en
  • FR752198A - Auxiliary wing for high speed airplanes : en fr
  • DE584419C - Removable child bike seat : de en
  • DE584475C - Arrangement for regulating the power flow between two alternating current networks : de en
  • FR752437A - Automatic dough dividing machine : en fr
  • DE584355C - Volume regulator for flowing means with additional, depending on the pressure and the temperature working control device : de en
  • FR752426A - Method and device for the atomization of fuel mixtures for the operation of engines of all kinds : en fr
  • US1927528A - Combination safety fuse puller and hand tool : en
  • USD90698S - Design fob an alphabet fob fobming : en
  • US1927063A - Film splicing apparatus : en
  • US1927093A - Brush : en
  • US1927384A - Casting machine : en
  • FR752496A - Advanced variable speed winding mechanism : en fr
  • GB398638A - An improved process for making electrolytes for dry cells which require filling with fluid : en
  • US1927414A - Manufacture of aliphatic acids and esters : en
  • GB398602A - Improvements in insulating covers for live electric rails, trolley wires and the like : en
  • DE584561C - Device for processing waste paper : de en
  • GB398636A - Improvements in insect traps : en
  • US1927269A - Calculating machine : en
  • US1927562A - Glow plug : en
  • USD90746S - Design for a clock case or similar : en
  • FR752239A - Pneumatic or hydraulic travel controller for motor vehicles : en fr
  • DE584499C - Bell mechanism for electrical systems, in which the beater is guided through a seal that seals the housing interior in a gas-tight manner : de en
  • DE584728C - Funnel spring with a wire that can be moved in the longitudinal direction : de en
  • DE580328C - Insole : de en
  • DE584423C - Locking device or fuse for two-wheeled trailers : de en
  • GB398813A - Improvements in or relating to electrical signalling systems : en
  • FR752385A - Improvements to endless belts made up of rigid elements mounted on a flexible belt : en fr
  • GB398538A - Improvements in or relating to holders for thermionic valves and the like : en
  • GB398781A - Improvements in wire bending machines for the production of wire netting : en
  • FR752231A - Process for the production of resin-like condensation products : en fr
  • FR752500A - Method and machine for working the surface of cylindrical printing forms : en fr
  • GB398753A - Hat or cap rack : en
  • GB398676A - Improvements in and relating to duplicating machines : en
  • FR752151A - Travel indicator for actuator shaft shutters not moving axially : en fr
  • FR752258A - Process for improving artificial yarns, in particular artificial silk : en fr
  • FR752178A - Manufacturing process and use of tar emulsions : en fr
  • FR752248A - Device for fixing the piston rod to the butt in piston engines : en fr
  • US1927320A - nacker : en
  • FR752189A - Umbrella holder : en fr
  • FR752392A - Improvements to auxiliary carburetor control devices supplying internal combustion engines during cold starting and running periods : en fr
  • DE584426C - Sliding window with leaves lying in one plane : de en
  • DE584731C - Screw gauge for immediate reading of the measured values : de en
  • DE584713C - Method and device for spraying heated tar or heated bituminous substances : de en
  • DE584328C - Method for regulating the fuel injection time in deflagration chambers, especially for internal combustion turbines, with fuel pumps driven by pressurized oil : de en
  • US1927042A - Apparatus for treating hydrocarbons : en
  • US1927290A - Method of preparing show cards : en
  • DE584291C - Induction coil with iron core, in particular for loading telecommunication lines : de en
  • FR752419A - Process for the manufacture of materials replacing ointments : en fr
  • FR752166A - Extendable frame to fold the velvet : en fr
  • GB398621A - Improvements in or relating to the treatment of yielding sheet material such as cloth : en
  • FR752388A - : fr
  • GB398584A - Improvements in and relating to ground-sheets, sleeping-bags and the like : en
  • DE584336C - Device for automatic complete shut-off of the fuel supply to the drive engine of motor vehicles to reduce fuel consumption : de en
  • DE584771C - Joint expansion for mining and similar purposes : de en
  • FR752382A - Improvements to heavy oil burners : en fr
  • DE584738C - Scanning device for sound or picture sound films : de en
  • FR752399A - Propellers for bicycles or the like : en fr
  • DE584595C - Wide dyeing machine with fabric return (jigger) : de en
  • US1927350A - Cleaning device : en
  • USD90727S - Design for lace : en
  • US1927403A - Cake wrapping : en
  • US1927762A - Method and apparatus for making lace fabric : en
  • DE584316C - Dental grinding tools : de en
  • US1927045A - Testing instrument : en
  • USD90702S - Design for a notebook holder : en
  • DE584546C - Bed fitting : de en
  • US1927224A - Milk boiling apparatus : en
  • FR752390A - Improvements to tachometers for remote measurements and with hydraulic transmission : en fr
  • GB398578A - Improvements in or relating to automobile torpedoes : en
  • US1927044A - Bracelet chain : en
  • US1927138A - Process and apparatus for feeding predetermined amount of tobacco : en
  • US1927526A - Exhaust valve mechanism : en
  • CA335719A - Store fixture moulding : en fr
  • FR752162A - Heat insulating knobs, handles, knobs, etc., for cookware and more : en fr
  • FR752233A - : fr
  • GB398611A - Suspension for mariners' compasses : en
  • GB398551A - Improvements in devices for delivering tickets from rolls : en
  • GB398616A - Improvements in or relating to systems for the distribution of music, speech or the like over line wires : en
  • FR752459A - New device allowing the suspension, transmission by shaft and cardan joint of a driving and steering front wheel of a three-wheeled vehicle, applicable to three-wheeler with engines and automobiles : en fr
  • DE584712C - oven : de en
  • GB398748A - Improvements in and relating to egg cartons : en
  • US1927307A - Stroke changing mechanism : en
  • US1927228A - Filter : en
  • FR752414A - Aviation compass : en fr
  • US1927322A - Signal : en
  • US1927581A - Fishing line : en
  • US1927742A - Fire extinguisher : en
  • US1927104A - Grinder : en
  • FR752464A - Spool sheath for cross winding : en fr
  • FR752194A - Device for coupling the branches of scissors or the like : en fr
  • FR752227A - Static frequency transformer for signaling installation : en fr
  • FR752261A - Process for the manufacture of a food flour and installation for its implementation : en fr
  • GB398759A - Method and apparatus for electrodeposition : en
  • US1927783A - Rotary cutter for making expanded metal : en
  • FR752232A - Radiator for central heating and other applications : en fr
  • GB398840A - Improvements in or relating to electric light sources : en
  • DE584288C - Device for operating wireless receivers or the like built for AC connection with direct current : de en
  • DE584574C - Method and device for the production of conductor connections : de en
  • DE584660C - Circulation system for pulp digester : de en
  • DE584540C - Process for the production of durable, high-percentage aqueous bitumen emulsions : de en
  • US1927761A - Power drive for typewriters : en
  • FR752270A - Improvements in the manufacture or processing of aliphatic anhydrides : en fr
  • FR752369A - Advanced sheet dispenser for printing machines : en fr
  • GB398851A - Improvements in or relating to calculating machines : en
  • GB398722A - Improvements in process and apparatus for detecting, controlling and analysing gases, mixtures of gases, smokes and dusts suspended in said gases : en
  • DE584686C - Upper ice cooling system with forced air circulation : de en
  • GB398598A - Improvements relating to means for operating the blinds of motor vehicles : en
  • DE584501C - Transmitter for audio frequency modulated directed light and similar beams : de en
  • FI15445A - Substances used for the production of alkali and syrups for fodder materials : en fi
  • FR752222A - Protective coating : en fr
  • FR752478A - Process for the preparation of aralkyl alcohols : en fr
  • GB398758A - Safety razor for ladies : en
  • FR752276A - Refrigeration appliance : en fr
  • GB398651A - Improvements in the manufacture of light concrete and similar materials : en
  • DE584566C - Steering hub : de en
  • US1927055A - Method of and apparatus for pumping wells with pressure fluid : en
  • US1927244A - Distillation of hydrogenated oil residues : en
  • US1927432A - Measuring apparatus : en
  • GB398649A - Improvements in or relating to wallboard : en
  • FR752310A - Cell for the electrolytic production of light metals, more especially magnesium, by fusion electrolysis : en fr
  • GB398526A - Improvements in and relating to holders for electric gas filled discharge lamps : en
  • US1927375A - Hardening of condensation products from phenols and aldehydes : en
  • DE584740C - Sled for moving drying racks for agricultural products : de en
  • DE584748C - Development vessel with plate holder for photographic plates and sheet films : de en
  • DE535952C - Manufacture of aluminum oxide : de en
  • US1927273A - Liquid refrigerating and dispensing system : en
  • FR752455A - Method and device for improving the aroma of tobacco smoke : en fr
  • DE584759C - Device for bundling and carrying stacks of briquettes : de en
  • US1927306A - Composite brake drum : en
  • CA335762A - Stall : en fr
  • CA335814A - Skip mechanism : en fr
  • US1927182A - Treatment of hydrocarbon oils : en
  • DE584625C - Method for three-dimensional definition of a point in space : de en
  • FR752321A - Improvements to purification devices used in gas treatment : en fr
  • GB399166A - Improvements in and relating to operating mechanism for doors and the like : en
  • US1927389A - Fastening device : en
  • US1927236A - Typographical composing, casting, and distributing machine : en
  • US1927782A - Window construction : en
  • US1927627A - Leaf spring : en
  • US1927304A - Fender and body straightening tool : en
  • FR752316A - Rubber tire for vehicle wheels : en fr
  • GB398732A - Improvements in and relating to the production of sodium cyanide : en
  • GB398580A - Improvements in or relating to balls for tennis and the like games and the manufacture thereof : en
  • US1927071A - Control means for windshields : en
  • FR752278A - Process for the manufacture of double and multiple papers and boards and other compositions formed from fibrous layers : en fr
  • AU909032A - An improved tap for preventing drip, applicable for steam, water and petrol : en
  • CA335731A - Sanitary pad making machine : en fr
  • US1927227A - Surface waxing machine : en
  • US1927424A - Toy rapid-fire gun : en
  • DE584545C - Device to prevent rolling over curtains : de en
  • FR752221A - Improved method and means for transmitting and receiving images by electric telegraph or radio waves : en fr
  • US1927128A - Gain control apparatus : en
  • DE584338C - Car bodies, especially for motor vehicles : de en
  • AU911432A - Improvements inthe electrodeposition of zinc : en
  • US1927411A - Mechanical automobile jack : en
  • US1927530A - Alternating current bells : en
  • US1927701A - Coffeepot : en
  • DE584294C - Connection and hanging panel for electricity meter : de en
  • US1927040A - Hydraulic power transmitter : en
  • US1927032A - Flexible support : en
  • GB398588A - Improvements in or connected with envelope and like opening machines : en
  • US1927474A - Lamp circuit : en
  • US1927711A - Film drying machine : en
  • USD90703S - Design for a mop head : en
  • USRE18952E - mason : en
  • US1927523A - Sheet metal mounting for bearing housings and the like : en
  • US1927092A - Tobacco container and pipe filler : en
  • DE584527C - Rail fastening screw with a spherical section-shaped head : de en
  • FR752208A - Process for manufacturing objects with a wear-resistant surface and a hard core : en fr
  • GB398627A - Improvements in or relating to aerial electric cables with carrying devices : en
  • GB398847A - Improvements in boilers or water heaters : en
  • DE584536C - Electric immersion heater for high temperatures : de en
  • DE584611C - Device for attaching tabs to address printing plates : de en
  • US1927146A - Refrigeration : en
  • US1927402A - Measuring instrument : en
  • DE584459C - Route expansion that can be changed : de en
  • FR752490A - Device for marking the length of clothing : en fr
  • USD90710S - Design fob a table : en
  • DE584300C - Process for amplifying the excitation on synchronous or asynchronous reactive power machines or on generators that supply reactive power as well as active power : de en
  • US1927249A - Machine for making roofing tiles and like articles : en
  • US1927803A - Expansible core : en
  • CA335741A - Sewing machine : en fr
  • DE584368C - Process for the production of adhesive and paintable, flat wooden panels of leather-like softness and suppleness : de en
  • DE584491C - Tires for motor vehicles with coolant filling : de en
  • FR752256A - Process for the transfer of liquefied gases : en fr
  • GB398543A - An improved device for cleaning out the passages in the water gauge fittings of steam generators : en
  • GB398606A - Improvements in and relating to means for playing golf games : en
  • GB399155A - Improvements in or relating to variable speed gearing and like associated mechanism for the transmission of power : en
  • USD90733S - Design for an atomizer : en
  • US1927337A - Electric gauge : en
  • US1927106A - Insulator : en
  • US1927239A - Electric signaling device : en
  • FR752406A - Combined casing for all types of materials : en fr
  • US1927485A - Lamp standard : en
  • CA335742A - Grain cleaner and grader : en fr
  • DE584325C - Device for adjusting the pivotable part of the wall of the press channel of straw presses : de en
  • US1927513A - Voucher and check file guide and detachable tab : en
  • US1927614A - Arc interrupter : en
  • CA335707A - Poultry food : en fr
  • DE584508C - Device for introducing gases and vapors into furnace chambers : de en
  • DE584677C - Dryer for pourable goods : de en
  • DE584637C - Process for the production of welded wheel bodies, in particular as armature carriers for electrical machines : de en
  • US1927399A - Miniature airplane : en
  • US1927623A - Paper fastener : en
  • USD90722S - Design for an atomizer : en
  • AU920332A - Improvements in and relating to insulator devices : en
  • US1927407A - Slitting roll stand : en
  • US1927580A - Hydraulic steering gear : en
  • FR752228A - Track relay : en fr
  • US1927033A - Windshield : en
  • US1927486A - Gas washing apparatus : en
  • DE584331C - Rotating tool head for machining conical and other shaped surfaces : de en
  • CA335828A - Cellulose ester material processing : en fr
  • DE584210C - Ball rolling mill : de en
  • DE584386C - Electrode for vacuum dischargers : de en
  • DE584720C - Dental cement : de en
  • CA335693A - Carpet cleaning composition : en fr
  • DE584369C - Process for producing pressed coal cakes from coking coal : de en
  • DE584278C - Processing of the outer surface after an uneven surface line profiled round bodies, in particular the running surfaces of railway wheels, by grinding : de en
  • US1927030A - Blank feeding apparatus : en
  • US1927734A - Pump : en
  • FR752220A - Auxiliary device for carburettors of internal combustion engines, particularly for heavy fuels : en fr
  • FR752295A - Block for ignition of fireplaces : en fr
  • FR752549A - : fr
  • CA335811A - Electrical dumb waiter : en fr
  • DE584689C - Idle control device for work machines, especially for compressors : de en
  • CA335772A - Differentially coloured fabric : en fr
  • DE584330C - Device for adjusting and protecting the cutting edge of hard material tools : de en
  • US1927094A - Superheater : en
  • US1927503A - Measuring apparatus : en
  • CA335694A - Clothes pin : en fr
  • CA335791A - Fin tubing : en fr
  • FR752308A - Improvement of reels for the continuous treatment of threads, tapes and the like : en fr
  • US1927351A - Ironing board : en
  • DE584443C - Device for regulating the speed of an electrically driven multi-speed centrifugal machine with two interchangeable centrifugal plates of different sizes : de en
  • US1927266A - Package of labels and method of making the same : en
  • US1927323A - Excavator bucket : en
  • US1927675A - Work holding device : en
  • US1927506A - Condensate circulation control for boiler plants : en
  • US1927512A - Electrical switching device : en
  • CA335718A - Vegetable fiber processing : en fr
  • US1927383A - Portable power-driven wrench : en
  • US1927095A - Triple circuit water tube boiler : en
  • US1927537A - Aircraft control : en
  • US1927633A - Apparatus for heat treating ferrous metal : en
  • DE584470C - Device for regulating a drive to constant power with electrical power transmission between the drive shaft and the loaded shaft : de en
  • FR752167A - Improvements to wheels and pulleys on ball bearings and the like : en fr
  • FR752476A - Insulation impregnated with capacitors : en fr
  • FR752156A - Improvements to the means to balance and immobilize windows or vertically sliding panels : en fr
  • GB398793A - Fuse and alarm signal for high tension electric lines : en
  • DE584351C - Multi-phase high-voltage switchgear with movable insulators with one contact piece : de en
  • FR752205A - High selectivity radio amplification process by frequency doubler : en fr
  • FR752302A - Fagot or broom molds improvements : en fr
  • FR752200A - Improvements in processes to obtain the bonding of materials : en fr
  • GB398684A - Improvements in or relating to pumps for filter presses and the like : en
  • US1927282A - Extension leaf table : en
  • US1927738A - Pipe wrench : en
  • US1927673A - Cable winding drum or sheave : en
  • US1927816A - Dust shield for brake drums : en
  • DE584360C - Can bulging device : de en
  • DE584624C - Device for the mechanical evaluation of radio bearings : de en
  • DK47791C - Foldable Divan. : da en
  • DE584418C - Saddle for motorcycles : de en
  • DE584538C - Process for the simultaneous production of soot and pure hydrogen : de en
  • US1927571A - Dental casting machine : en
  • CA335750A - Cleaning and polishing machine : en fr
  • CA335771A - Car door stop : en fr
  • DE570914C - Canopy for prams or similar vehicles : de en
  • US1927065A - Container : en
  • US1927453A - Radiofigure : en
  • USD90732S - Design fob a picture frame : en
  • GB398618A - Improvements in the production of moulded laminated paper products : en
  • US1927299A - Heater : en
  • US1927366A - Attachment for rising stem valves for distant operation of same : en
  • US1927737A - Method for the manufacture of acid resistant fluxes for enamel colors : en
  • US1927125A - Acid wool-dyestuff of the anthraquionone series and process of making same : en
  • US1927226A - Floor finishing machine : en
  • US1927551A - Banding for ring-shaped coils : en
  • AU939432A - An improved indexing device : en
  • DE584367C - Manufacturing process for the resilient curvature of the floors on round pot-shaped sheet metal parts or discs : de en
  • US1927769A - Valve control system : en
  • US1927245A - Flush receptacle : en
  • US1927768A - Piston rod assembly : en
  • US1927271A - Cushion expansion socket for casters : en
  • US1927521A - Water dispenser : en
  • US1927587A - Diaphragm pump : en
  • DK47792C - Device for Adjusting the Brightness of Electric Light Sources. : da en
  • US1927242A - Grazing muzzle : en
  • US1927691A - Weather strip mechanism : en
  • US1927084A - Support for filament assemblies : en
  • DE584487C - Single knife cutting machine for boxes : de en
  • FR752309A - Calculating machine or accounting machine : en fr
  • US1927774A - Valve system for closing bottles, flasks, or like receptacles : en
  • US1927527A - Valve gear : en
  • US1927025A - Swing : en
  • US1927447A - Cement mixer : en
  • DE584688C - Process for the production of detergents and dispersants : de en
  • US1927103A - Azodyestuff : en
  • US1927560A - Electron tube system : en
  • DE584411C - Process for the production of corrosion-resistant coatings on iron and steel : de en
  • US1927420A - Boot, etc. : en
  • US1927494A - Well pumping device : en
  • US1927119A - Holder for cow-tails : en
  • DE584606C - Process for the production of artificial leather and oilcloth by coating or soaking fabric webs with viscose and carrying them through a skin bath : de en
  • US1927248A - Brake shoe key : en
  • US1927625A - Conveyer : en
  • US1927339A - Trihydroxy carboxylic acid ester and process for producing the same : en
  • FR752416A - Polychrome asbestos-cement sheets or the like, method and device for their manufacture : en fr
  • DE584327C - Cooling device for cooling the valves and valve seats of internal combustion engines : de en
  • GB398776A - Improvements in means for regulating combustion in furnaces : en
  • US1927476A - Surface treatment of sheet materials : en
  • FR752171A - Advanced torque converter for bicycles and similar machines : en fr
  • GB398525A - Improvements in and relating to volt-ampere demand indicators : en
  • AU996432A - Method of and apparatus for pasteurising and if desired deodorising lacteal fluids under vacuum : en
  • DE583048C - Painter brush or flat brush : de en
  • DE584342C - Light buoy : de en
  • DE584494C - Device for ejecting torpedoes from torpedo ejection tubes : de en
  • AU1199133A - An improved indexing device : en
  • AU916832A - Tyres for wheels : en
  • US1927160A - Process for the coloration of cellulose ester and ether materials : en
  • FR752439A - Device applicable to toys and other constructions composed of plates with geometric shapes or not : en fr
  • DE584353C - Process for heating electrical discharge tubes : de en
  • DE584399C - Process for the electrolytic production of lead-calcium alloys : de en
  • DE584616C - Wheel set with core and hollow axle : de en
  • CA335722A - Television apparatus : en fr
  • US1927205A - Steam generator control : en
  • US1927624A - Hand bag : en
  • US1927031A - Hoist : en
  • US1927291A - Locomotive refilling system : en
  • US1927789A - Controlling and actuating mechanism for motor vehicle transmissions : en
  • US1927739A - Brake testing device : en
  • GB398763A - Improvements in bottle carriers : en
  • GB398784A - Improvements in and relating to striker plates, especially for automobile doors : en
  • US1927009A - Trap front for hen laying nests : en
  • US1927011A - Butter wrapping machine : en
  • US1927161A - Coloration of material : en
  • US1927070A - Distortion correction in wave transmission systems : en
  • US1927533A - Telephone system : en
  • CA335804A - Bag transfer and filling mechanism : en fr
  • CA335714A - Liquid heater : en fr
  • DE584358C - Rock drill : de en
  • DE584603C - Identification label for laundry u. like : de en
  • USRE18955E - Safety razor : en
  • US1927080A - Convector : en
  • US1927194A - Inclined elevator : en
  • US1927255A - Metallic container : en
  • US1927615A - Brake cable : en
  • USD90725S - Design for a shoe : en
  • US1927294A - Door : en
  • US1927732A - Wire fastener : en
  • US1927203A - Brake device for band saws : en
  • US1927500A - Manufacture of spark plugs : en
  • DE584609C - Steep tube boiler : de en
  • FR752283A - Process for bleaching flax fibers, especially flax, hemp and other fibers : en fr
  • GB398825A - Improvements in the electrolytic production of insulating layers on metals : en
  • US1927231A - Typographical distributing machine : en
  • US1927192A - Colander : en
  • US1927059A - Coke removal system : en
  • US1927073A - Air washer : en
  • US1927217A - Fruit sizing apparatus : en
  • US1927814A - Process of obtaining butyl alcohol and acetone by fermentation : en
  • US1927664A - Method and apparatus for exploring bore holes : en
  • US1927725A - Valve for pneumatic devices : en
  • US1927780A - Means to prevent loss of screws : en
  • US1927062A - Film feeding apparatus : en
  • US1927730A - Duster and method of making same : en
  • USD90738S - Design fob a motorist pocket pouch : en
  • US1927016A - Knitting machine : en
  • US1927379A - Apparatus for producing air-gas : en
  • US1927041A - Candy and method of making same : en
  • US1927015A - Printing machine : en
  • US1927046A - Clutch device : en
  • US1927259A - Automatically operative valve : en
  • US1927022A - Art of treating natural and artificial silk and agents therefor : en
  • AU815232A - Improved apparatus for securing caps or covers on milk bottles jam jars and like containers : en
  • CA335751A - Alternating current generator : en fr
  • FR752254A - Manufacturing process of ferro-boron regulates : en fr
  • GB398861A - Improvements in or relating to variable speed gearing and like or associated mechanism for the transmission of power : en
  • IE12999L - Electric discharge lamps : en
  • FR752307A - Improvements to coil springs : en fr
  • FR752337A - Process for matting natural silk and artificial silk : en fr
  • FR752374A - Process for treating silicates with acids to obtain their soluble salts : en fr
  • CA335774A - Fluid pressure brake : en fr
  • GB398729A - Improvements relating to display cards : en
  • DE584345C - Safety razor with lamp : de en
  • DE584636C - Laminated runner for electrical machines : de en
  • GB398659A - Manufacture of tertiary organic phosphates : en
  • DE584359C - Underground sheared conveyor : de en
  • DE584613C - Completely encapsulated cooling machine : de en
  • US1927296A - Ester of the hydroxy fatty acids of castor oil : en
  • US1927594A - Cylinder ridge reamer : en
  • FR752448A - Stringing process of bundles of rubber wires : en fr
  • FR752486A - Advanced fire starter : en fr
  • CA335778A - Shingle strip : en fr
  • CA335796A - Fire extinguisher : en fr
  • DE584178C - Inertia starter : de en
  • CA335756A - Friction element making machine : en fr
  • CA335763A - Paper winder : en fr
  • GB398766A - Improvements in or relating to hydro-pneumatic shock absorbers : en
  • US1927342A - Score card : en
  • US1927745A - Radiator attachment for bathtubs : en
  • FR752404A - New material applicable, in particular, to the manufacture of doors, windows and other construction elements : en fr
  • AU866732A - Collapsible sliding fan : en
  • US1927311A - Valve arrangement for oil engines : en
  • US1927686A - Cooking vessel for electric ranges : en
  • US1927105A - Pipe : en
  • FR752281A - : fr
  • DE584694C - Method for masking out the part of an optical sound recording to be scanned : de en
  • US1927707A - Synchronizing system : en
  • FR752235A - Apparatus for introducing air or gas in a more or less finely divided state into liquids : en fr
  • FR752206A - Device for the reproduction of images and sounds : en fr
  • DE584315C - Abrasive tools for dental purposes or the like. : de en
  • FR752188A - Tamper-evident envelope : en fr
  • FR752442A - Network connection device for radio-telephone and radio-telegraph amplifiers and receivers : en fr
  • GB399191A - Improvements in cellulose derivative products : en
  • FR752238A - Device, electrically operated, for vacuum cleaning : en fr
  • GB398736A - Apparatus for fumigation by means of aldehydes : en
  • CA335815A - Sound recording and reproducing apparatus : en fr
  • US1927786A - Method of and apparatus for cooking doughnuts and the like : en
  • FR752203A - Improvements to the control mechanism of the paddle wheel of an internal combustion engine booster : en fr
  • FR752389A - Atomic hydrogen welding process using water gas and resulting products : en fr
  • US1927584A - Necktie : en
  • FR752483A - Arrangement to avoid non-linear deformations : en fr
  • GB398738A - Improvements relating to the manufacture of artificial silk : en
  • FR752428A - : fr
  • DE584414C - Device for forming blanks into a box part : de en
  • FR752176A - Universal household machine : en fr
  • CA335838A - Vehicle control system : en fr
  • FR752487A - Thermal switch, more especially applicable as automatic fire detector : en fr
  • GB398647A - Optical reflecting device : en
  • FR752387A - Amplitude and modulation controller : en fr
  • GB398841A - A new or improved method of and means for shaping and trueing the operating surface of grinding wheels used for form grinding : en
  • IE12498L - Glassware manufacture : en
  • GB398848A - Improvements in or relating to electric plate warmers and table lamps : en
  • DE584442C - Centrifugal drum, the jacket of which consists of several parts that are closely connected to one another : de en
  • FR752229A - Improvements to cardboard boxes, and the like : en fr
  • GB398656A - Improvements in and relating to the recording and reproduction of sound records : en
  • US1927491A - Backrest or support for alpha seat or the like : en
  • GB398577A - Improvements in methods of making woven fabrics comprising two or more layers : en
  • DE584573C - Procedure and equipment for long-distance transport with liquid gases : de en
  • DE584434C - Tilting device for rocking swings, in which a switching mechanism that constantly moves with the swing triggers the tilting process after passing through a certain selectable number of stations : de en
  • GB398639A - Improvements in steel shafts for golf clubs : en
  • CA335839A - Cellulosic furfurol : en fr
  • FR752234A - Billboard with moving parts, especially for vehicles : en fr
  • FR752346A - Material for construction made of fly ash and its manufacturing process : en fr
  • GB398727A - Channel guides for sliding glass panels : en
  • GB398760A - Improvements in or relating to magnesium base alloys : en
  • US1927102A - Insulating and other structure comprising vermiculite : en
  • DE584437C - Slide connection in which a cylindrical, downward-pointing pin of one shot is inserted into a corresponding recess in the other shot : de en
  • DE584678C - Steam-heated pipe dryer Schulz design : de en
  • FR752259A - Improvements to automatic control mechanisms : en fr
  • DE584632C - Flexible suspension device for counters and other measuring devices : de en
  • GB398807A - Improvements in or relating to the saponification of waxes and separation of the alcohols therefrom : en
  • DE584388C - Glass furnace : de en
  • DE584756C - Locking device : de en
  • US1927289A - Process for the electrolytic reduction of organic compounds : en
  • US1927378A - Apparatus for and method of making fiber board : en
  • US1927756A - Traffic lane marker : en
  • US1927466A - Ball bearing : en
  • DE584500C - Follower pointer device : de en
  • FR752467A - Assembly process for sheets and sheets and profiles and its applications : en fr
  • US1927746A - Mechanical time fuse : en
  • DE584483C - Plow body with an endless brush belt as a turning area : de en
  • US1927034A - Windshield : en
  • DE584592C - Lever equipped with a band-like clamp claw : de en
  • FR752330A - Remote start system for t receiving stations. s. f. : en fr
  • FR752218A - : fr
  • FR752289A - Lateral seal for dam increases : en fr
  • US1927422A - Gas burner : en
  • US1927600A - Ice cream cone carrier : en
  • DE584614C - Control device, especially for cooling systems : de en
  • DE584680C - Centrifugal machine with inlet and / or outlet lines connected to the drum through one or more stuffing boxes : de en
  • US1927251A - Brake shoe : en
  • DE584332C - Self-opening thread cutting head : de en
  • DE584380C - Device for checking the track gauge : de en
  • FR752488A - Improvements to devices for scarifying roads : en fr
  • FR752501A - : fr
  • GB398710A - Improvements in dyeing machine : en
  • GB398839A - Improvements in or relating to closed-cycle heat transferring systems, particularly for cooling : en
  • GB399174A - Improvements relating to carpet scrubbing machines : en
  • DE584295C - Installation at switches of small currents, especially disconnectors : de en
  • DE584604C - Tissue duplicating machine : de en
  • DE584714C - Shielding of high frequency coils : de en
  • US1927089A - Applicator : en
  • US1927140A - Typewriting machine : en
  • US1927121A - Water-insoluble azo dyestuffs and fiber dyed therewith : en
  • DE584785C - Process for the production of tubular electrical insulating bodies from rolled fibrous webs provided with hardening adhesive : de en
  • DE584347C - Device for refilling the spreader of a cigarette machine : de en
  • DE552869C - Heat exchangers, in particular for heating milk : de en
  • DK47776C - Machine for Kneading Butter, Margarine and similar Fats. : da en
  • FR752195A - Improvements to dropper caps : en fr
  • GB398744A - Tube expanding and beading machine : en
  • GB398646A - Improvements in and relating to electric arc welding apparatus : en
  • DE584615C - Flooding evaporator for refrigeration machines : de en
  • US1927553A - Dispensing can holder : en
  • GB398548A - Improvements in and relating to drying devices : en
  • FR752260A - Steering wheel : en fr
  • US1927718A - Inner wrap paper holder : en
  • DE584743C - Stroke indicators on shut-off valves with non-rising stem : de en
  • FR752380A - Improvements to kitchen stoves, cookers or the like : en fr
  • GB398829A - Improvements in electric gaseous discharge lamps : en
  • GB398592A - Improved coupling for lead pipes : en
  • GB398779A - Process and apparatus for the separation of solid particles held in suspension in gaseous fluids : en
  • US1927196A - Implement for removing snow and like work : en
  • US1927723A - Pneumatic cotton picker : en
  • US1927801A - Wheel tire : en
  • US1927483A - Synchronized transmission : en
  • US1927492A - Bowling ball and container therefor : en
  • DK47786C - Sealing device. : da en
  • DE584770C - Ventilation device for waterless gas containers : de en
  • FR752368A - Process for the production of solidified mineral oils : en fr
  • US1927215A - Apparatus for utilizing and controlling the thermal energy in heating systems : en
  • US1927230A - Flexible vehicle axle : en
  • US1927604A - Method of reducing phosphates : en
  • GB398619A - Improvements in the mounting of swinging doors, covers, windows and the like : en
  • FR752241A - Process for the production of selenium cells : en fr
  • DE584766C - Production of homogeneous mixtures of chromium oxide with alkaline earth sulfates : de en
  • DE584750C - Vertical tail unit for single or multi-engine aircraft : de en
  • GB398626A - Improved treatment of mixed organic esters of cellulose : en
  • US1927279A - Shoe filling machine : en
  • US1927576A - Handle and brake for fishing rod reels : en
  • DE550822C - Stand-up collar : de en
  • FR752479A - Device applicable to radio and similar apparatus : en fr
  • GB398539A - Improvements relating to weft inserting mechanism for looms for weaving : en
  • FR752212A - Signaling device for automobiles and similar vehicles : en fr
  • GB398560A - Improvements in a means and method of cleaning lubricant casings of engines : en
  • US1927129A - Hydrogenation of homologues of aniline : en
  • US1927590A - Portable receptacle : en
  • DE567372C - Arrangement for generating direct current from alternating current according to the valve rectifier principle : de en
  • DE584757C - Case for cigarettes : de en
  • DE584472C - The screw connection of the connecting bracket with the solid rod ends of the rod windings of electrical machines is countersunk in the conductor material : de en
  • DK47772C - Multiplication method. : da en
  • FR752411A - : fr
  • GB398797A - Overload cut-out switch or circuit breakers with one pair of magnets : en
  • DE584120C - Control system for elevators : de en
  • FR752372A - Washer with vertically arranged laundry drum : en fr
  • GB398768A - Apparatus for use in a round game : en
  • FR752165A - Electric dryer with unbreakable resistance and automatic contact : en fr
  • FR752338A - Dry gas meter : en fr
  • DE584711C - Scraper device for cleaning the cooling or heating pipes in heat exchangers : de en
  • DE584786C - Insulator for high-voltage lines with a conductive coating on the insulator head and in the support hole : de en
  • GB398775A - Improvements in or relating to matrix-setting and type-line-casting machines : en
  • FR752440A - Improvements to harnesses and the like, for animal traction machinery, in particular for agriculture : en fr
  • FR752462A - Advertising device : en fr
  • GB398782A - Improvements in or relating to holding or fastening devices for windows, doors, removable panels and the like : en
  • FR752160A - Band saw blade guide : en fr
  • FR752393A - Improvements to rotary kilns and dryers : en fr
  • DE584284C - Filter device for liquids with candle-shaped filter elements : de en
  • DE584313C - Process for melting textile fibers of all kinds : de en
  • DE584765C - Impact dowel with circular curved outer jacket for wooden railway sleepers : de en
  • FR752291A - Toy planes manufacturing process : en fr
  • DE584486C - Printing and punching machine : de en
  • GB399148A - Improvements in and relating to the electrical control of apparatus in telegraph and like signalling systems : en
  • US1927516A - Lug for traction wheels : en
  • FR752379A - Alcohol stove and its manufacturing process : en fr
  • DE546357C - Device for embossing music images : de en
  • FR752395A - Improvements to telephone systems or other similar systems : en fr
  • US1927109A - Folding bed and cot mattress : en
  • US1927293A - Electric socket : en
  • DE584407C - Heat measuring device connected to a spark plug : de en
  • DE584549C - Payable gold alloys : de en
  • GB399189A - Improvements in the manufacture of incorrodible pipes or tubes : en
  • DE584361C - Sheet metal straightening machine whose straightening rollers are individually adjustable : de en
  • GB398545A - Improvements in and connected with bedsteads : en
  • GB398716A - Improvements in or relating to self propelled trucks having load platforms : en
  • AU971732A - Improvements in or connected with pipe couplings : en
  • CA335695A - Gas cleaning system : en fr
  • US1927114A - Halogenation product of acenaphthindandion-diketimides and alpha process of preparingit : en
  • US1927036A - Safety relief valve for hot water heating systems : en
  • US1927158A - Electrical sound reproducing apparatus : en
  • DK47783C - Clock gas tank. : da en
  • DE584587C - Beer line cleaning device according to the single cylinder system : de en
  • CA335797A - Velvet pile-cutter : en fr
  • US1927181A - Surgical light : en
  • US1927281A - Harvester : en
  • GB398574A - An improved support for curtain rods and the like : en
  • USD90740S - Design for a cabinet water cooler : en
  • DE584390C - Two table glass suction blower : de en
  • DE584772C - Device for the production of wire screws with unequal legs : de en
  • FR752336A - Improvements to printing machines : en fr
  • US1927703A - Nontwistable universal ball and socket joint : en
  • US1927569A - Shoe rack : en
  • US1927578A - Card holder : en
  • DE584285C - Filter device for liquids : de en
  • GB398665A - Automatic signal for typecasting machines, in relation to metal pot : en
  • DE584404C - Piston seal, especially for powder combustion engines : de en
  • DE584585C - Device for increasing the transverse drive of bodies moving relative to the surrounding medium, such as aircraft wings and the like. like : de en
  • DE539172C - Extraction of nitrogen oxide from the gas mixture formed during the production of potassium nitrate by the reaction of potassium chloride with nitric acid and containing mainly nitrosyl chloride and chlorine in addition to inert gases : de en
  • DE584502C - Conveyor device for bulk goods in plate dryers : de en
  • FR752375A - Improvements to tabulator machines : en fr
  • DE584375C - Process for the production of fertilizers from chalk phosphates : de en
  • DE584578C - Process for the production of oil and water-insoluble, resin soaps containing colored lacquers : de en
  • DE584620C - Spring-loaded flat steel buffer : de en
  • DE584754C - Door lock with self-closing bolt latch and a special release latch : de en
  • US1927681A - Current tap : en
  • DE584402C - Air-cooled cylinder head for internal combustion engines : de en
  • DE584789C - Square slot clamp : de en
  • FR752169A - Three-way crossing made of pressed sheet steel : en fr
  • FR752272A - Manufacturing process for anthraquinone derivatives : en fr
  • FR752441A - Self-winding watch : en fr
  • GB398670A - Combination furniture : en
  • CA335691A - Computing scale : en fr
  • DE584511C - Device for attaching the stocking to the strap : de en
  • GB398541A - Improvements in or relating to electrical connectors : en
  • GB398620A - An improvement in or relating to dobbies for looms for weaving : en
  • GB398644A - Process for colouring silver images : en
  • GB398835A - Improvements in or relating to agricultural machines for distributing manure, seed and other substances : en
  • USD90723S - Container therefor : en
  • DE567396C - Extension tube, especially for tripods : de en
  • FR752244A - Self-adjusting push rod system : en fr
  • US1927131A - Calendar : en
  • US1927441A - Artificial lure : en
  • US1927522A - Antenna for radio communication : en
  • CA335831A - Dyestuff : en fr
  • US1927141A - Electromagnetic translating device : en
  • US1927381A - Process of opposing offset in printing : en
  • US1927592A - Propeller hub : en
  • US1927429A - Furniture construction : en
  • US1927603A - Ear holder and gripper : en
  • US1927276A - Dual rear axle drive for auto trucks : en
  • US1927448A - Valved coupling : en
  • US1927545A - Packing case : en
  • US1927668A - Binder sheet fastening : en
  • US1927086A - Wood article : en
  • US1927130A - Catalytic hydrogenation of monamines of the benzene series : en
  • US1927325A - Radiator fin construction : en
  • DE584560C - Device for the production of wood pulp with relatively long and essentially uncut fibers from small pieces of wood or other fiber material : de en
  • DE584379C - Inclined elevator for rail vehicles : de en
  • CA335833A - Cellulose material colouring method : en fr
  • US1927747A - Brush : en
  • US1927265A - Coin assorting machine : en
  • US1927353A - Hat display case : en
  • US1927561A - Automobile jack : en
  • GB398589A - Improved means for facilitating starting by heating the cooling water of the enginesof motor vehicles : en
  • US1927191A - Striping instrument : en
  • US1927434A - Oil burning stove : en
  • US1927137A - Adjustable glare shield : en
  • US1927214A - Connecting device for trolley wire supports : en
  • US1927357A - Corset : en
  • US1927179A - Vest construction : en
  • DE584292C - Arc protection arrangement on suspension isolator chains : de en
  • DE584746C - Combined pliers-like hand tool for cutting, punching and bending thin iron straps : de en
  • DE584605C - Leather substitute and process for its manufacture : de en
  • GB398696A - Improved method and means for heating and ventilating buildings : en
  • US1927153A - Pressure responsive device : en
  • US1927050A - Table construction : en
  • CA335698A - Piston suction cup : en fr
  • DE584627C - Process for the production of electrical insulating materials from linseed oil, wood oil or their varnishes or mixtures of these oils by introducing sulfur and oxygen : de en
  • US1927274A - Stapling machine : en
  • FR752443A - Bolt with self-locking nut : en fr
  • US1927731A - Ice tongs : en
  • US1927107A - Vapor generator : en
  • US1927303A - Highway guard : en
  • USD90730S - Design for an envelope fob paper : en
  • CA335799A - Printer and slotter : en fr
  • DE584307C - Holding rod made of insulating material for wire-shaped electrodes : de en
  • US1927190A - Casing landing, packing and blowout prevention assembly : en
  • US1927540A - Linoleum cement : en
  • US1927760A - Line casting machine : en
  • GB398572A - Improvements in or relating to rails for use with curtain suspension devices : en
  • GB398870A - Improvements in or relating to television apparatus : en
  • AU1025032A - Improvements in electric welding apparatus : en
  • US1927541A - Process and plant for the manufacture of pure cellulose from vegetable fibers : en
  • CA335801A - Boiler : en fr
  • CA335803A - Railway road : en fr
  • DE582874C - Method of making snuff : de en
  • DE584370C - Knife attachment to cutting machines for paper, cardboard or the like. : de en
  • DE584722C - Splash protection wall for stoves : de en
  • US1927185A - Resistor unit and method of making the same : en
  • US1927365A - Toothbrush : en
  • US1927708A - Process of and apparatus for winding and wrapping strand-like articles : en
  • US1927159A - Process of and apparatus for cracking oil : en
  • US1927588A - Process for the treatment of wool and other animal fibers : en
  • US1927135A - Electric cutting torch : en
  • US1927286A - Catalytic apparatus : en
  • CA335713A - Furnace operating method : en fr
  • US1927328A - Radiator guard and method of making same : en
  • DE584522C - Float regulator : de en
  • DE584774C - Horizontally rotating button block for fabric tensioning machines : de en
  • US1927091A - Carburation device : en
  • US1927256A - Tunnel construction apparatus : en
  • US1927685A - Ironing table : en
  • CA335697A - Combined flap valve and gasket : en fr
  • FR752341A - Improvements to locking devices, in particular for doors of motor vehicles and others : en fr
  • US1927547A - Cop winding machine : en
  • USD90736S - Design fob a clock case : en
  • US1927360A - Board machine : en
  • DE584458C - Device for changing door posts : de en
  • GB398749A - Improvements in eyelash curlers : en
  • DE535124C - Metal propellers, especially for aircraft : de en
  • DE584312C - Process for the production of a cleaning compound for wallpaper, wall and ceiling paints or the like. : de en
  • DE584735C - Compensation device for compasses or similar instruments : de en
  • US1927639A - Electric insulator : en
  • US1927679A - Road grader : en
  • DE584665C - Piston pump : de en
  • DE584781C - Electrodynamic loudspeaker : de en
  • FR752242A - Tight and durable connection, between the taps that fit into their frames, or the telescopic taps, and the lost metal containers, established in such a way that they can only be removed by destruction : en fr
  • DE584396C - Luffing crane : de en
  • DE584415C - Film transport arrangement at the audio track exposure point : de en
  • DE584416C - Resilient articulated coupling, especially for motor vehicles : de en
  • AU1126033A - Improvements in electric cables : en
  • GB398650A - Improvements in friction clutch mechanism : en
  • GB398815A - Improvements in electric discharge lamps : en
  • FR752161A - Spreader with multiple branches mounted on arms of unequal length articulated on a single fixed axis : en fr
  • CA335733A - Evacuating and ventilating device : en fr
  • DE584439C - Procedure for loading moving conveyor wagons : de en
  • US1927127A - Halogen derivatives of the anthraquinone-acridone series and process of making them : en
  • GB398854A - The manufacture of new azo dyestuffs and intermediate products : en
  • DK47789C - Pillow and associated Cover. : da en
  • GB398648A - Improved wick or flame controller for oil burning lamps or stoves : en
  • DE584550C - Process for the electrolytic refining of chromium and ferrochrome as well as for the production of chromic acid : de en
  • FR752398A - Further training in automotive tires : en fr
  • FR752298A - Improvements to sofa beds : en fr
  • GB398562A - Improvements in and relating to cosmetics : en
  • GB398666A - Improvements in or relating to processes and apparatus for the conversion of milk and cream into butter : en
  • US1927026A - Electrical relay construction : en
  • US1927462A - Device for cleaning the human face or body : en
  • DE584634C - Device for switching off multi-phase lines : de en
  • FR752438A - Front suspension with independent wheels of motor cars : en fr
  • DE584340C - Device for filling bottles : de en
  • DE584662C - Removable antihalation layer for photographic plates and films in alkaline photographic processing baths : de en
  • FR752175A - Socket wrench for screws and nuts : en fr
  • US1927184A - Mixing cup : en
  • US1927564A - Frame for number plates and the like : en
  • FR752211A - Manufacturing process of special steels in the basic martin-siemens furnace : en fr
  • GB398633A - Improvements in or relating to means for the automatic and progressive pneumatic braking of trailers : en
  • DE584493C - Roll tank system : de en
  • US1927301A - Lamp socket rheostat : en
  • DE584365C - Process for pressing recesses in sheet metal : de en
  • US1927632A - Brake linkage : en
  • US1927318A - Machine for packaging articles : en
  • FR752340A - Cufflink : en fr
  • GB398719A - Improvements in or relating to rotary compressors : en
  • US1927663A - Method of recovering bromine and iodine conjointly : en
  • US1927168A - Refrigerating apparatus : en
  • CA335727A - Tire liner : en fr
  • CA335784A - Roller drier for cylindrical bodies : en fr
  • DE584401C - Lubrication for internal combustion engines : de en
  • US1927058A - Method of and apparatus for testing : en
  • US1927404A - Wrapper nicking device : en
  • DE584681C - Closing spring for pocket watches with spring cover : de en
  • DE584742C - Silencers, especially for the exhaust gases from internal combustion engines : de en
  • FR752480A - Combined device for ventilation, heating and cooling of railway and other vehicles : en fr
  • CA335729A - Refrigerator car divider : en fr
  • FR752349A - Device making it possible to maintain or release at will the so-called “packing” bodies contained in the chambers or cavities of certain devices used mainly in laboratories : en fr
  • FR752173A - Stabilization device in the horizontal position of transport vehicles : en fr
  • GB398658A - Improvements in garden and like rollers : en
  • DE584590C - Counting device for conveyor systems : de en
  • FR752243A - Heavy oil carburetor : en fr
  • FR752250A - Switch for automatic traffic control devices : en fr
  • FR752274A - Automatic control installation, in particular for flying devices : en fr
  • US1927471A - Pillow bag : en
  • US1927057A - Wax removal from oil : en
  • US1927473A - Labeling machine : en
  • US1927552A - Surface grinder : en
  • US1927156A - Process for converting petroleum oil : en
  • FR752492A - Manufacturing process of colors and printing inks : en fr
  • GB398774A - Improvements in hydraulic transmissions : en
  • US1927693A - Photographic apparatus : en
  • US1927781A - Window frame and sash construction : en
  • GB398857A - Improvements in or relating to silencers for internal combustion engines : en
  • GB398832A - Improvements in, and relating to, coin freed vending machines : en
  • FR752213A - Improvements to bras : en fr
  • FR752351A - Ratchet wheel with multiple pawls to prevent recoil or loss of stroke : en fr
  • GB398678A - Machine with rolling piston oscillating in a circle : en
  • DE584449C - Regeneration of the bicarbonate wash liquor used to wash out carbonic acid from gases : de en
  • US1927223A - Swing : en
  • DE584741C - Noise damping for the valve drive in internal combustion engines : de en
  • GB398576A - Improvements in or relating to brushes : en
  • GB398679A - Back support : en
  • DE584421C - Device for attaching and removing the wheels from bicycles : de en
  • DE584433C - Tighter, especially for ski bindings : de en
  • GB398603A - Improvements in or relating to pick holders for mining machine cutter chains : en
  • GB398540A - Improvements in or relating to the burning of refuse and apparatus therefor : en
  • GB398743A - Improvements in or relating to line-marking devices for sports and other purposes : en
  • US1927162A - Electroplating : en
  • US1927261A - Hair curling apparatus : en
  • US1927354A - Lock : en
  • GB398680A - A new or improved heat resisting steel alloy : en
  • US1927358A - Brake control for aeroplanes : en
  • US1927532A - Telephone system : en
  • GB398599A - Improvements in labels, tags and the like for horticultural, agricultural and other purposes : en
  • DE584456C - Multipart brassiere : de en
  • DE584542C - Self-locking device for adjusting the height of the backrest of rest bearings : de en
  • FR752446A - Advanced means for removing moisture and water from turf or hard surfaces : en fr
  • IE13058L - Welding burner : en
  • US1927197A - Reel core and method for making the same : en
  • US1927505A - Bottle filler : en
  • GB398845A - Improvements in or relating to the fitting of heels to boots or shoes : en
  • DE584371C - Process for the production of silica solutions : de en
  • GB398673A - Improvements in or relating to diaphragms for pressure electrolysers : en
  • DE584314C - Handpiece, especially for dental purposes : de en
  • DE584569C - Mobile support structure for overburden conveyor bridges and stackers : de en
  • US1927713A - Electric lantern : en
  • FR752297A - Art tapestry and its manufacturing process : en fr
  • DE584302C - Oil transformer with self-cooling : de en
  • DE584298C - Time-dependent distance relay : de en
  • DK47787C - Cooling device for use in permanent hair wave. : da en
  • US1927589A - Web tensioning mechanism : en
  • DE584296C - Inner contact device, especially for electrical switches : de en
  • DE584543C - Device for rolling an endless wire glass strip : de en
  • GB398561A - Process of manufacturing ª‰ phenyl ethyl alcohol : en
  • GB398789A - Toy tractor : en
  • CA335812A - Pencil tip : en fr
  • US1927072A - Sheet metal structure especially adapted for airplane rudders : en
  • GB398742A - Sewing machine lighting device : en
  • USD90734S - Design for a clock case : en
  • DE584532C - Super regenerative circuit with two tubes connected in push-pull : de en
  • CA335759A - Fluid flow controlling apparatus : en fr
  • CA335835A - Textile material processing : en fr
  • US1927133A - Transmission control in signaling systems : en
  • US1927538A - Sustaining and control surface : en
  • CA335800A - Printer and slotter : en fr
  • US1927764A - Pump control for line casting machines : en
  • US1927331A - Seat cover : en
  • US1927784A - Film cleaning machine : en
  • CA335760A - Liquid dispensing apparatus : en fr
  • CA335766A - Friction clutch : en fr
  • US1927501A - Machine for rolling sheet metal shapes : en
  • US1927750A - Measuring instrument controls for machines : en
  • DE584516C - Book stitching machine : de en
  • US1927364A - Packaging device for bread and like loaves : en
  • US1927393A - Transmission system for ultrashort waves : en
  • CA335724A - Clutch : en fr
  • US1927481A - Coop : en
  • DE584417C - Brake cable arrangement with braking points on two axles for motor vehicles, especially three-wheelers : de en
  • GB398623A - Improvements in and relating to one way operative clutches : en
  • GB398810A - Improvements in, or relating to, electric heating appliances of the open-grid or boiling-plate type : en
  • AU908232A - Improvements in pumps : en
  • GB398596A - Improvements in or relating to bowden mechanism : en
  • US1927446A - Vehicle wheel : en
  • US1927468A - Combination lock : en
  • US1927555A - Process of concentrating liquids : en
  • FR752454A - Winding apparatus for cinematographic films : en fr
  • GB398910A - Improvements in and relating to sewing machines : en
  • GB398695A - Means for cleansing the skin : en
  • GB398707A - Improvements in and relating to the manufacture of lamellar blades for safety razors : en
  • DE584435C - Suspension of vibrating conveyor and screening devices on a support device suspended from the ceiling or other suitable location in the work area : de en
  • DE584760C - Platform trolley for apron conveyors : de en
  • GB398715A - Improvements relating to wireless receiving apparatus : en
  • US1927319A - Fender lamp : en
  • US1927629A - Screen grid vacuum tube : en
  • US1927550A - Suspension means for heat control valves : en
  • DE562040C - Electromagnetic device for generating an oscillating movement : de en
  • DE584628C - High-voltage insulator with ribs and grooves on the surface of the screen for draining water : de en
  • CA335795A - Sealed cored solder : en fr
  • USD90735S - Design for a clock case : en
  • DE584392C - Automatic device for cutting flat glass : de en
  • DE584425C - Motorbike with motor mounted in the bike frame and gear mounted in the steering hub of the front wheel : de en
  • US1927077A - Communication system : en
  • FR752168A - Improvements to helical hearth roasting furnaces, for sulphurous ores or others : en fr
  • US1927218A - Basket liner : en
  • US1927697A - Selective device : en
  • FR752185A - Apparatus for the manufacture of wired glass : en fr
  • FR752489A - Branded device for card games or others : en fr
  • FR752294A - Butyrometer : en fr
  • FR752342A - Advanced weft insertion mechanism for looms : en fr
  • GB398796A - A process for the reduction of carboxylic acids and their derivatives : en
  • GB398657A - Improvements in or relating to supports for the foundations of machines : en
  • FR752364A - Lifting gear : en fr
  • CA335725A - Stopper : en fr
  • US1927566A - Rotary toothbrush : en
  • US1927108A - Process for preparing alkali metal fluorides : en
  • US1927174A - Gas furnace : en
  • DE584409C - Speed change gearbox with crank drive transmission : de en
  • DE584481C - Split scrubber head : de en
  • DE584647C - Device for uniformly distributing a liquid, in particular oil to be split, over a contact compound : de en
  • DE584709C - Stamp in which the stamp head and the stamp handle with spherical ring surfaces are on top of one another : de en
  • FR752306A - Decoration process for articles of all kinds : en fr
  • GB398557A - Improvements in or relating to the manufacture of cigarettes : en
  • GB398609A - Improvements in plug couplings for electrical cables : en
  • FR752304A - Airplane engine cooling installation with limited air layer intake. : en fr
  • GB398706A - Improvements in or relating to excess voltage protective electrical discharge devices : en
  • DE584524C - Device for reducing the temperature fluctuations in the cold room of intermittent absorption refrigeration machines : de en
  • FR752324A - Arm and motor driven wheeled mortar and concrete mixer : en fr
  • FR752463A - Improvements in the distillation of mineral oils : en fr
  • DE584555C - Potato harvester with collecting tine wheel arranged to the side of the throwing wheel and subsequent conveyor device : de en
  • US1927412A - Process of treating artificial thread : en
  • US1927597A - Speed indicator : en
  • FR752215A - Improvements made to closures of briefcases, chests, or similar objects : en fr
  • GB398668A - Improved process and machine for the manufacture of articles in vibrated concrete : en
  • US1927204A - Steam power plant : en
  • US1927435A - Package for frosted cakes : en
  • FR752468A - Medium Temperature Coke Making Improvements : en fr
  • DE584397C - Luffing crane : de en
  • DE584430C - Device for registering distances measured by echo sounding : de en
  • GB398740A - Means relating to the production of cast steel : en
  • FR752253A - Steam circulation system : en fr
  • DE584424C - Arrangement for attaching an easily detachable makeshift motor to bicycles : de en
  • DE584572C - Process for saving energy in the procurement of the minimum scrubbing liquid required for the separation of gas mixtures : de en
  • FR752359A - : fr
  • FR752366A - Improvements to diaper frames : en fr
  • GB398597A - Improvements in or relating to photographic cameras : en
  • DE584525C - Method for regulating continuously operating mixture machines, in particular absorption refrigeration machines : de en
  • US1927116A - Electrochemical process : en
  • US1927310A - Well cleaning apparatus : en
  • DE583565C - Process for the production of organic bases : de en
  • DE584451C - Telecommunication cable with large line attenuation and weak conductors : de en
  • DE584548C - Device for controlling kneading and mixing : de en
  • FR752311A - Product for the construction of floors, partitions, ceilings, etc. : en fr
  • FR752293A - Stroboscopic device, more particularly intended for the calibration of electricity meters or other devices : en fr
  • US1927069A - Method of influencing the speed of enzymatic reactions : en
  • US1927460A - Piston : en
  • US1927149A - Condiment holder : en
  • FR752192A - Alternator : en fr
  • GB398662A - Method and apparatus for closing the seams of and insulating the bottom of cell cups for electric pocket lamp batteries : en
  • US1927573A - Sand blast nozzle : en
  • CA335704A - Stay bolt : en fr
  • US1927546A - Plastic art and the product thereof : en
  • US1927548A - Charging rod : en
  • US1927606A - Draft control apparatus : en
  • DE584299C - Device for the protection of electrical switches and the like Like. Against overuse : de en
  • US1927641A - Transmission and synchronizing device : en
  • US1927647A - Machine for placing articles of flat or oblong cross section side-by-side in an oblique position : en
  • US1927099A - Vacuum tube circuits : en
  • DK47794C - Machine for the manufacture of aluminothermal heating cartridges. : da en
  • IE12696L - Bung hole bush. : en
  • US1927709A - Marcel waver : en
  • DE584438C - Piston slide valve for flush displacement pipes : de en
  • DE584704C - Process for the preparation of ketocholanic acids : de en
  • DE584436C - Vibrating conveyor or sieve device with elastic, free-floating suspension : de en
  • DE584515C - Non-flammable stain cleaners : de en
  • GB398600A - Means for securing together longitudinal and transverse tubular members : en
  • GB398690A - Revolver loaders : en
  • AU864432A - Improvements relating to wall plugs : en
  • DE567570C - Closing device for vacuum flasks : de en
  • DE584581C - Injection internal combustion engine with external storage and heart-shaped or circular combustion chamber : de en
  • US1927712A - Finishing tool for tubular stereotype plates : en
  • US1927748A - Cow poke : en
  • CA335820A - Elevator control mechanism : en fr
  • DE584579C - Method and device for the production of artificial threads : de en
  • US1927021A - Sanitary toothpick container : en
  • US1927334A - Fuse : en
  • USD90712S - Design for a display stand : en
  • US1927142A - Eraser and holding tip therefor : en
  • US1927815A - Liquid dispensing apparatus : en
  • US1927741A - Game : en
  • USRE18953E - Liquid cooler : en
  • CA335782A - Therapeutic compound : en fr
  • FR752223A - Method of adjusting operating variables in which the real value of the variable to be controlled is compared with its theoretical value : en fr
  • US1927054A - Mixing valve : en
  • US1927695A - Educational device for teaching athletic plays : en
  • DE584488C - Machine for inserting sliders into box sheaths : de en
  • USD90700S - Design for a clock face : en
  • US1927189A - Automobile highway safety wall : en
  • DE584797C - Bowl burner for liquid fuels : de en
  • DE584633C - Device for starting electric motors, in particular for rotary printing machines : de en
  • AU869232A - Method of and apparatus for pasteursing lacteal fluids : en
  • CA335755A - Duster : en fr
  • US1927019A - Gas burning apparatus : en
  • US1927371A - Fuse : en
  • CA335769A - Roller leveler : en fr
  • US1927124A - Float : en
  • GB398814A - Apparatus for avoiding gassing after the charge in lead electric accumulators : en
  • US1927479A - Switch controlling means : en
  • US1927662A - Process of refining impure lead bullion : en
  • US1927515A - Support for electrical fixtures and the like : en
  • GB398852A - Improvements relating to carpet washing machines : en
  • US1927361A - Board making machine : en
  • US1927667A - Receptacle : en
  • US1927024A - Coating machine : en
  • US1927202A - Plowing tool for paint removal : en
  • US1927155A - Process of producing cellulose acetate yarn : en
  • US1927787A - Wall or partition : en
  • USD90692S - Design fob a clock case : en
  • US1927721A - Cleaner and polisher : en
  • DE584329C - Device for automatically keeping the clamping pressure constant with electrically driven chucks : de en
  • US1927010A - Display fixture : en
  • US1927401A - Compensator for recorders : en
  • US1927346A - Electromagnetic device : en
  • US1927206A - Control : en
  • US1927727A - Valve : en
  • FR752397A - Improvements to pneumatic tires for vehicles : en fr
  • US1927066A - Composition of matter : en
  • US1927268A - Transitional coupler : en
  • US1927013A - Process for the production of boric anhydride as boric acid from colemanite or the like : en
  • US1927067A - Mechanical toy : en
  • US1927221A - Finger ring : en
  • US1927207A - Pulverizing or crushing machine : en
  • US1927470A - Animal trap : en
  • US1927164A - Writing instrument holder : en
  • GB398803A - Improvements in band sawing machines : en
  • GB398542A - Arrangement for controlling switching operations in telephone systems : en
  • CA335777A - Angle cock device : en fr
  • US1927211A - Dancing shoe and the making thereof : en
  • US1927645A - Windmill construction : en
  • US1927396A - Dehydrating apparatus : en
  • US1927616A - Power transmission mechanism : en
  • US1927672A - Wave signaling system : en
  • US1927717A - Block forming mold : en
  • US1927757A - Traffic lane marker : en
  • US1927355A - Flux for use in soldering metals : en
  • DE584301C - Bushing current transformer : de en
  • US1927511A - Bearing housing : en
  • US1927037A - Frame and door : en
  • DE584622C - Receiver for wireless signals : de en
  • US1927480A - Fastener : en
  • US1927699A - Telegraph system : en
  • DE584333C - Device for mixing powdery dry substances : de en
  • US1927563A - Supercharger : en
  • US1927118A - Check protector : en
  • US1927669A - Gas pressure regulator : en
  • US1927702A - Average price computer : en
  • CA335824A - Slicing machine : en fr
  • DE584582C - Pistons for internal combustion engines : de en
  • DE584646C - Process for the preparation of finely divided iron-3-oxide : de en
  • US1927126A - Shield : en
  • FR752495A - Improvements in the assembly of pipes and metal pipes with corrugated sections : en fr
  • US1927648A - Cigarette-packing machine : en
  • US1927172A - Terraced display device : en
  • US1927241A - Fair lead pulley : en
  • US1927793A - Tool reciprocator : en
  • FR752251A - Rotary table for telephones and other table-top instruments : en fr
  • FR752314A - Stretch binder for loose leaf : en fr
  • FR752394A - Improvements to double-acting differential piston compression pumps : en fr
  • GB398830A - Improvements in or relating to electric discharge lamps : en
  • DE584708C - Machine for printing the cut surfaces on books, paper blocks, etc. like : de en
  • DE584376C - Nitriding hardening accelerator : de en
  • DK47778C - Removable Device for Bicycle Support. : da en
  • FR752436A - Conductor hook designed to be suspended from roof slats : en fr
  • DE584626C - Coil arrangement, especially for shortwave transmitters : de en
  • AU935832A - An improved electrically heated soldering iron : en
  • US1927488A - Wheel gauging device : en
  • US1927807A - Space discharge apparatus : en
  • CA335773A - Voltage compensated refrigerator starter : en fr
  • FR752402A - : fr
  • GB398581A - Permanent magnet for electromagnetic loudspeakers : en
  • DE584352C - Glow cathode for discharge tubes : de en
  • GB398579A - Improvements in classifiers : en
  • US1927043A - Apparatus for processing : en
  • US1927620A - Colloid mill : en
  • US1927790A - Sash operating device : en
  • US1927583A - Hydraulic motor control means : en
  • DE568050C - Pressure-tight combustion chamber for gas turbines, steam generators with pressure firing and related systems : de en
  • US1927340A - Preparing machine for spinning : en
  • US1927169A - Typewriting machine : en
  • US1927213A - Silencer : en
  • US1927804A - Pitman : en
  • AU531537A - Process for producing valuable liquid hydrocarbons from normally gaseous olefinic hydrocarbons : en
  • DE584635C - Device for increasing air friction in friction electrifying machines : de en
  • US1927800A - Automatic cigarette lighter : en
  • DE584282C - Method for drawing wires, pipes, profile wires or the like. : de en
  • US1927198A - Removable crotch tab for undergarments : en
  • US1927459A - Production and reactivation of active charcoal : en
  • US1927799A - Rotary pump : en
  • DE584513C - Device for the optional lateral diverting of the rolling rods running onto a roller table into one or the other of two collecting troughs arranged on both sides of the roller table : de en
  • DE584676C - Process for the automatic filling of powdery material into self-closing valve bags : de en
  • US1927254A - Showcase reflector : en
  • US1927626A - Metallic material : en
  • US1927300A - Automobile jack : en
  • US1927267A - Spark plug : en
  • DE584286C - Bedding machine equipped with bucket ladders for trackless bedding, movable on the track : de en
  • DE584702C - Process for the production of boric acid : de en
  • FR752497A - Used lubricating oil purification processes : en fr
  • GB398613A - Improvements in or relating to garden tidies : en
  • FR752199A - Improvements made to heating devices, particularly those for treating hydrocarbons : en fr
  • FR752266A - Direction indicator light for motor vehicles : en fr
  • FR752425A - Shoe heel with interchangeable wearing part, and method and device for its manufacture : en fr
  • GB398756A - Improvements in zeolite watersofteners : en
  • DE584504C - Electric unrest clock : de en
  • DE584517C - Process for the production of acetone from acetylene : de en
  • DE584674C - Device for monitoring the positions of a large number of spatially distant contacts : de en
  • GB398802A - Improvements in and relating to apparatus for producing intermittent electric current impulses : en
  • DE584468C - Contact device : de en
  • GB398553A - Improvements in and relating to internal combustion and other engines and to pumps of the swash-plate or the wobbler type : en
  • GB398689A - A new device to avoid the friction of the warp threads in the warp stop motion droppers : en
  • CA335798A - Printer and slotter : en fr
  • CA335827A - Sheet metal lock : en fr
  • CA335786A - Hydraulic gripper : en fr
  • DE584588C - Filling device with a control disk formed by a rotatable, disk-shaped cock plug : de en
  • US1927216A - Adjustable support : en
  • FR752257A - Electrical device for taking carrots on the side wall of the boreholes : en fr
  • FR752319A - Method and device for intermittent cooling of the absorber generator of refrigerating apparatus, and other similar applications : en fr
  • FR752177A - Improvements to churns or apparatus for making butter : en fr
  • FR752279A - Vibrating roller : en fr
  • DE584290C - Electric conductor, in particular electric cable with built-in temperature-sensitive element for operating a measuring device : de en
  • DE584406C - Thermostatic regulation for internal combustion engines : de en
  • AU908332A - Method and means for exterminating rabbits : en
  • GB398635A - Improvements in control mechanism for motor vehicles : en
  • US1927496A - Cleaning process : en
  • GB398723A - Improvements in automatic pencils : en
  • CA335770A - Door clinching apparatus : en fr
  • CA335764A - Brake : en fr
  • US1927689A - Electrical filter system : en
  • DE584668C - Extension shaft that can be switched between the transmission shaft and the cardan shaft of motor vehicles : de en
  • US1927455A - Toothpick : en
  • US1927263A - Weighing mechanism : en
  • AU912532A - Improvements in or relating to aerial systems : en
  • CA335758A - Butter print forming machine : en fr
  • AU1069932A - Improved system forthe voltage transformation of direct current electrical energy : en
  • CA335692A - Friction clutch : en fr
  • DE584318C - Matrix for producing gum settings on artificial dentures : de en
  • FR752237A - Fuel nozzle for internal combustion engines : en fr
  • GB399486A - Improvements in suspensions for casement windows : en
  • US1927170A - Combined valve and yoke : en
  • AU1023832A - Machine forthe manufacture of reinforced concrete hollow pillars high-pressure tubes andthe like : en
  • US1927386A - Textile bobbin : en
  • DE584664C - Semi-wet developing machine for blueprints : de en
  • DE584343C - Door lock, especially for motor vehicles : de en
  • DE584784C - Layered building material made of fiber webs and synthetic resin mixtures, in particular for electrical insulation purposes : de en
  • FR752472A - Hinged closing device for rear trunks of motor cars : en fr
  • GB398544A - Improvements in or relating to electromagnetically-controlled pneumatically-operated electric switches or contactors : en
  • FR752245A - Apartment game : en fr
  • CA335705A - Fence : en fr
  • DE584682C - Process for the production of crepe fabrics : de en
  • DK47770C - Control device for cash register control devices. : da en
  • GB398582A - Improvements relating to hydraulic control mechanism : en
  • CA335735A - Fumigating gas generation : en fr
  • US1927314A - Hose coupling : en
  • US1927508A - Catalyst : en
  • DK47771C - Double-walled metal container and method of assembly. : da en
  • GB398869A - Improvements connected with the construction of internal combustion engines : en
  • CA335807A - Paper web creping method : en fr
  • US1927335A - Cartridge fuse : en
  • US1927690A - Transmitter control system : en
  • GB398701A - Improvements in or relating to electric dry cells : en
  • US1927090A - Carburetor : en
  • DE584666C - Arrangement of shooter seat and weapon : de en
  • GB398661A - Improvements in hard alloys : en
  • DE584593C - Device for the production of cylindrical hollow bodies u. Like. From sheet metal strips : de en
  • FR752157A - Improvements to pressure regulators : en fr
  • US1927018A - Garment : en
  • US1927288A - Dirigible headlight : en
  • FR752422A - Device to replace gatekeepers at level crossings : en fr
  • GB398624A - Improvements in or relating to condensers and grid leaks for use in connection with radio apparatus : en
  • GB398632A - Transmission clutch mechanism for motor-vehicles : en
  • DE584551C - Damping and drying device for hat shapes : de en
  • FR752172A - Rotary chopper : en fr
  • GB398751A - Improvements in devices for the electrolytic separation of substances from liquid : en
  • FR752470A - Removable anti-slip device for horses : en fr
  • DE584403C - Slide seal for internal combustion engines : de en
  • CA335749A - Ice cutting machine : en fr
  • DE584427C - Counterweight chain for roller shutters consisting of a number of slats : de en
  • GB398559A - Improvements in or relating to cooling and storage chests, food safes or the like : en
  • DE584641C - Arrangement for determining the voltage profile of multi-phase networks in the event of a fault : de en
  • GB398700A - Improvements in sleeping bags and method of making same : en
  • IE13508L - Cartons : en
  • US1927753A - Aeroplane : en
  • FR752413A - Method of protection of tanks containing liquids : en fr
  • DE584783C - Inductance with self-induction not or only slightly dependent on temperature : de en
  • FR752197A - Safety burner for gas stoves : en fr
  • CA335785A - Hydraulic spider revolver : en fr
  • GB398569A - Improvements in and in the manufacture of pickers for jute looms : en
  • GB398629A - Improvements in and relating to brakes : en
  • DE584586C - Trailer coupling for semi-trailer : de en
  • US1927369A - Renewable fuse : en
  • US1927415A - Stamp containing advertising device : en
  • GB398812A - Improvements in or relating to telephone systems or the like : en
  • FR752217A - Idler by roller for any flexible cable transmission and more particularly for cycle gear change : en fr
  • US1927147A - Method for refining hydrocarbon oil containing mercaptans : en
  • DE584630C - Method for producing contact eyelets at the ends of electrical lines : de en
  • FR752190A - New device for unblocking carding machine cylinders : en fr
  • FR752202A - Wheel cover fixing device for automobiles : en fr
  • FR752447A - Container containing an insecticidal gasifiable material provided with gas flow regulators : en fr
  • FR752475A - heat exchanger : en fr
  • DE584631C - Cable end splitter : de en
  • GB398652A - Improvements in mattresses : en
  • GB398750A - Improvements relating to metallic fencing or railing : en
  • DE584473C - Resistance carrier designed as a fan for rotating resistors, especially for electric centrifuge motors : de en
  • FR752325A - Tilt balance lever for tilts of different strengths : en fr
  • GB398631A - Improvements in and connected with lamp-shades : en
  • FR752431A - Condensation products preparation processes : en fr
  • US1927792A - Photo-electric tube : en
  • DE584344C - Door lock : de en
  • DE584377C - Tiltable glow furnace : de en
  • GB398786A - Improvements in or relating to fire bars for travelling grates : en
  • GB398612A - Improvements in or relating to lead pencils : en
  • GB398628A - Automatic kiln drying apparatus : en
  • DE584744C - Tap for gas and water pipes : de en
  • GB398608A - Improvements relating to printers rules : en
  • US1927186A - Power operated ceiling washer : en
  • US1927324A - Container for folded paper sheets : en
  • US1927536A - Aircraft sustaining system and propulsion : en
  • US1927591A - Trailer hitch : en
  • US1927655A - Speed control device for grinding machines : en
  • US1927607A - Air conditioner : en
  • US1927704A - Multiplex drop channel system : en
  • US1927722A - Spring unit : en
  • US1927110A - Tool case : en
  • US1927225A - Floor finishing machine : en
  • US1927658A - Glass melting furnace : en
  • FR752401A - Quenching process : en fr
  • GB398688A - Improvements in and relating to current leads for electric apparatus : en
  • GB398565A - Improvements in means for effecting the movement of slidable windows and the like : en
  • GB398783A - Improvements in gloves : en
  • US1927053A - Preparation of methyl ether of tertiary butyl meta cresol : en
  • US1927665A - Dishwashing machine : en
  • DE584308C - Incandescent cathode for high vacuum discharge tubes : de en
  • US1927410A - Oil reclaimer : en
  • USD90707S - Design for a table : en
  • DE584381C - Spring tongue for grooved rail switches : de en
  • GB398705A - Power transmission mechanism : en
  • US1927163A - Ferrule for furnace tubes : en
  • US1927315A - Pail support : en
  • US1927152A - Mower and the like : en
  • US1927222A - Stereoptican machine : en
  • US1927445A - Sanding machine : en
  • FR752249A - Process for manufacturing articles made from rubber or the like : en fr
  • FR752457A - Improvements to hydraulic transmission devices, in particular hydraulic brakes : en fr
  • DE584723C - Steel ladder : de en
  • DE584739C - Device for recording acoustic events with the help of magnetic loudspeakers : de en
  • DE584281C - Multiple wire drawing machine : de en
  • US1927250A - Fixture connecter : en
  • US1927297A - rabezzana : en
  • US1927602A - Process of the utilization of the trimmings obtained from the manufacture of basic magnesium carbonate heat insulating materials : en
  • DE584568C - Process for decorating leather or articles of daily use made of leather : de en
  • FR752466A - Process for obtaining up-to-date effects on cotton and similar looms and improvement to said looms with a view to the application of this process : en fr
  • GB398556A - Improvements in manoeuvre signalling devices for use on motor vehicles : en
  • CA335738A - Swing : en fr
  • FR752317A - Assembly system for chairs and the like : en fr
  • US1927439A - Roll for transferring dyes or the like : en
  • US1927199A - Combustion plate for stokers : en
  • US1927676A - Electric timing and counting device : en
  • US1927143A - Plastic composition containing cellulose derivatives : en
  • CA335734A - Automobile seat : en fr
  • CA335783A - Insulating material : en fr
  • US1927097A - Helve hammer : en
  • US1927437A - Brake control system for railway trains : en
  • US1927705A - Lock nut : en
  • FR752263A - Advanced high-performance sieve system : en fr
  • GB398711A - Improvements in and relating to bags, especially for containing hygroscopic materials : en
  • US1927336A - Cartridge fuse : en
  • US1927014A - Process for the production of boric anhydride, as boric acid, from minerals containing both alkali and alkaline earth metals : en
  • GB398746A - An improved sheet registering mechanism : en
  • USRE18956E - Camera operating mechanism : en
  • US1927312A - Continuous conversion of starch : en
  • DE584670C - Lighting system for motor vehicles : de en
  • CA335843A - Wall board fastener : en fr
  • GB398591A - Improvements in or relating to jacquards : en
  • DE584469C - Junction box for electrical lines : de en
  • CA335730A - Carton stapling machine : en fr
  • US1927113A - Loose leaf binder : en
  • US1927373A - Tire chain : en
  • US1927535A - Aircraft : en
  • US1927330A - Sanding machine : en
  • US1927139A - Hydraulic brake : en
  • US1927628A - Vacuum tube amplifier system : en
  • DE584383C - Directional antenna for short waves : de en
  • CA335740A - Slotted socket screw : en fr
  • CA335816A - Egg container : en fr
  • CA335810A - Plug fuse : en fr
  • US1927531A - Telephone system : en
  • AU1423633A - Improvements in or relating to radio receivers, electrical gramophones and radio gramophones : en
  • AU1442733A - Improvements in high frequency coil with coupling device : en
  • CA335711A - Spring friction device : en fr
  • CA335829A - Textile material coloring method : en fr
  • FR752322A - Device for transforming flat stitching machines into round stitching machines : en fr
  • US1927362A - Signaling system : en
  • US1927652A - Art of fractionation : en
  • US1927758A - Device for indicating the level of liquids : en
  • CA335775A - Valve device : en fr
  • AU867732A - Improvements in patch vulcanizing outfits : en
  • DE584326C - Injection engine with charge pump for vehicle operation : de en
  • GB398586A - Improvements in vapour engines : en
  • US1927074A - Electrothermal oil treatment : en
  • US1927083A - Golf club : en
  • US1927659A - Necktie holder : en
  • CA335813A - Butyl alcohol and acetone : en fr
  • AU918432A - Improvements in and relating to cementitious material ofthe high alumina type : en
  • CA335788A - Closure : en fr
  • DE584594C - Device for the electric drive for a washing machine and an associated centrifuge for cleaning the detergent : de en
  • DK47775C - Case for Cigarettes, Matches or similar sticks or rod-shaped Consumables. : da en
  • GB399157A - Improvements in or relating to delivery nozzle valves for liquid measuring apparatus : en
  • US1927450A - Gasket : en
  • CA335779A - Gas stove lighter : en fr
  • US1927425A - Electric frequency-transforming device : en
  • US1927577A - Fluid measuring apparatus : en
  • US1927766A - Strip label : en
  • USD90701S - Design for a tumbler : en
  • US1927543A - Sealing device : en
  • USD90714S - Design for a casket : en
  • DE584520C - Compressor or pump, especially for cooling systems : de en
  • US1927176A - Brush-mounting means : en
  • US1927428A - Facsimile producing system : en
  • US1927574A - Sandpaper holder : en
  • DE584447C - Device for the production of a relaxed fabric : de en
  • CA335745A - Manufacture of cup-shaped wooden articles : en fr
  • US1927363A - Process of treating vegetable or artificial fibers or fiber material : en
  • FR752465A - Sealed bearing for rotating shaft : en fr
  • GB398717A - Improvements in and relating to methods of making wire drawing dies : en
  • GB398846A - Manufacture of insoluble azo-dyestuffs on the fibre : en
  • CA335761A - Pump : en fr
  • DE584492C - Staircase for ships : de en
  • DE584745C - Shifting device for adjustable or continuously shiftable machine parts on machine tools (e.g. lathe supports) : de en
  • DE584749C - Device for the individual treatment of images on film strips using liquids : de en
  • US1927395A - Gear pump : en
  • CA335776A - Fluid pressure brake : en fr
  • DE584642C - Method for the direct measurement of the intensity of harmonics of technical alternating voltages : de en
  • DE584644C - Circuit in which an electrical filter is used in conjunction with amplifier tubes : de en
  • US1927240A - Process for metallurgical concentration of raw material : en
  • US1927088A - Six-wheeled lumber carrier : en
  • US1927635A - Support : en
  • DE584123C - Drive for reciprocating shaking devices, especially for shaking screens : de en
  • DE584562C - Callitypy layer : de en
  • DE584710C - Continuously working absorption refrigeration apparatus : de en
  • US1927518A - Method and apparatus for charging blast furnaces : en
  • US1927556A - Automatic auditing and merchandise control system : en
  • US1927720A - Gate attachment : en
  • DK47777C - Eel iron with swivel flaps. : da en
  • FR752452A - Process for manufacturing a hardenable plastic mass : en fr
  • US1927465A - Air conditioning apparatus : en
  • DE584480C - Round mouth mirror with a ring-shaped light tube : de en
  • FR752429A - Syringe ampoule : en fr
  • US1927433A - Washing machine : en
  • CA335842A - Spare tire cover : en fr
  • US1927666A - Arch supporting shoe : en
  • US1927356A - Light sensitive film or carrier therefor : en
  • DE584398C - Process for producing large disks from synthetic masses : de en
  • DE584309C - Glow cathode body for electron or ion emission tubes : de en
  • US1927812A - Photo-electric tube : en
  • US1927308A - Automobile headlight mechanism : en
  • US1927568A - Knitting mechanism : en
  • FR752409A - Device for the automatic feeding of boilers : en fr
  • GB398590A - Improvements relating to oscillating disc valves : en
  • US1927157A - Indicating device for fuses : en
  • US1927275A - Box : en
  • DE584335C - Device for transferring part of the trailer weight to the towing vehicle : de en
  • US1927374A - Combustion chamber of internal combustion engines of the liquid fuel injection compresion ignition type : en
  • US1927338A - Sticking corner for fastening cards and photos : en
  • US1927302A - Carburetor : en
  • US1927570A - Electric soldering iron : en
  • USD90694S - Design for a dresser : en
  • US1927253A - Drink mixer : en
  • US1927557A - Floor construction : en
  • US1927765A - Alarm wrist watch : en
  • FR752391A - Improvements to manometers : en fr
  • US1927056A - Method of and mechanism for cleansing the inked surfaces of engraving plates : en
  • US1927112A - Container for collapsible tubes : en
  • US1927151A - Paper cup handling apparatus, for chocolates and the like : en
  • US1927180A - Process of recovering nicotine from tobacco : en
  • US1927617A - Piston engine or piston pump : en
  • US1927749A - Artificial silk spinning pump : en
  • GB398573A - Improvements in or relating to the distillation of readily volatilisable metals : en
  • GB398702A - Improvements in and connected with the processing and compounding of rubber : en
  • USD90731S - Design for a picture frame : en
  • US1927167A - Mechanism for shaving cylindrical record tablets : en
  • US1927081A - Fluid well valve : en
  • US1927687A - Power plant : en
  • DE584777C - Device on typewriters for inserting and setting an account sheet from a land register sheet located in the machine : de en
  • CA335739A - Pulp wood cleaning machine : en fr
  • FR752360A - Dedusting device for solid fuel fireplaces : en fr
  • GB398630A - Improvements in or relating to electric accumulators : en
  • US1927482A - Stitching machine : en
  • US1927612A - Duplex stationery guide : en
  • US1927805A - Method of color photography : en
  • DE584362C - Bending beam for folding machines : de en
  • DE584444C - Ball insertion device for ball bearings : de en
  • GB398625A - An improvements in or relating to printers' chases : en
  • US1927188A - One-piece metal cover for vehicle springs and method of making the same : en
  • US1927068A - Sweetening hydrocarbon oils : en
  • FR752473A - Apparatus for separating two solids of different specific weights from each other, in particular kernels or almonds and hulls or husks of oleaginous fruits : en fr
  • FR752352A - Double automatic feed device for tailstock quill : en fr
  • FR752296A - Process for obtaining hydrocyanic acid : en fr
  • GB398554A - Improvements in or relating to methods and apparatus for testing, measuring and coiling insulated strand materials : en
  • US1927514A - Telephone switchboard : en
  • USD90708S - Design for a table : en
  • USD90716S - Design for an automobile bumper : en
  • FR752370A - Improvement to small-sized sound films with a normal-sized soundtrack : en fr
  • GB398583A - Improvements in and relating to alternating current electric distribution systems : en
  • FR752299A - Improvements to the mirror lighting system : en fr
  • FR752460A - Electric windshield wipers improvements : en fr
  • DE584599C - Method and device for the wet treatment of fibrous material : de en
  • FR752152A - Liquid fuel stove : en fr
  • GB398858A - Improvements in or relating to kinematograph films for use in televison and the like : en
  • DE584304C - Arrangement for generating direct current from alternating current according to the valve rectifier principle : de en
  • GB398640A - Improvements in gasifying of heavy oils through partial combustion : en
  • FR752216A - saver for all households : en fr
  • GB398558A - Improvements in or relating to differential fluid pressure gauges used for measuring the flow of fluids : en
  • GB398795A - Improvements in measuring instruments : en
  • US1927047A - Fibrous product and method of making the same : en
  • US1927023A - Steam generator : en
  • US1927458A - Harrow : en
  • US1927438A - Bottle blowing machine : en
  • DE584476C - Electrically heated radiant furnace : de en
  • GB398637A - Improvements in control mechanism for motor vehicles : en
  • US1927405A - Asparagus grading machine : en
  • GB398593A - Improvements relating to rag tearing machines : en
  • US1927605A - Collapsible tube : en
  • US1927636A - Method and apparatus for proportionally mixing alpha petroleum oil with alpha liquidreagent : en
  • DE584246C - Circular knitting machine : de en
  • DE583415C - Installation on regenerators at water gas generators : de en
  • FR752378A - Photocell with exterior photoelectric effect : en fr
  • GB398733A - Improvements in or relating to carpets or rugs : en
  • AU771132A - Method of and apparatus for pasteurising and deodorising lacteal fluids under vacuum : en
  • CA335712A - Hydrocarbon oil processing : en fr
  • DE584767C - Measuring device for monitoring the boiler and feed water : de en
  • DE584474C - Cooling device for electrical machines with cooling pipes arranged around the circumference of the housing : de en
  • US1927327A - Boiler construction : en
  • CA335841A - Sliding fastener element : en fr
  • DE584323C - Cutting mechanism drive of mowing machines : de en
  • DE584374C - Copy machine for use : de en
  • DK47793C - Single or Multi-Pole Switch, Relay or similar with Overcurrent Trigger. : da en
  • GB398713A - Change-speed mechanism : en
  • GB398765A - Improvements in and relating to driving mechanism for window wipers, for example, wind screens of automobiles and the like : en
  • FR752224A - Process for the manufacture of scissors and scissors obtained by this process : en fr
  • GB398721A - Improvements in or relating to golf clubs : en
  • DE584103C - Method for the simultaneous patterning of several objects essentially designed as rotational bodies : de en
  • DE584478C - Process for melting out animal material : de en
  • DE584529C - Mobile device for the detection of defects in a longitudinal electrical conductor, especially in laid railroad tracks : de en
  • DE584600C - Device for treating yarn laps with various fluids that are exposed one after the other : de en
  • US1927012A - Friction brake : en
  • CA335787A - Petrification method : en fr
  • FR752420A - Process for the production of chains : en fr
  • US1927575A - Stringed instrument : en
  • US1927683A - Yarn-feeding device fob circular : en
  • FR752163A - Improvements to looms : en fr
  • FR752209A - Process for manufacturing wheel tires and other articles for which high wear resistance is desired : en fr
  • FR752493A - Process for preparing 3-methylal-3-oxymethyl-n-pentane : en fr
  • GB398708A - Adjustable spraying nozzle for fire extinguishing purposes : en
  • US1927382A - Electric connecter : en
  • US1927640A - Candy and method for making same : en
  • FR752365A - Improvements to various cements containing blast furnace slag : en fr
  • DE584322C - Machine for the independent production of thread spools from wood : de en
  • FR752193A - Fixing device for horns : en fr
  • FR752445A - Capping device for wooden barrels : en fr
  • GB398725A - Improvements in or relating to buffing or polishing devices : en
  • FR752246A - Blotting pad : en fr
  • FR752362A - Device for paralleling electrical installations : en fr
  • US1927394A - Ultra-short wave relay station : en
  • DE584768C - Process for the production of pressed or drawn boxes, containers or the like. : de en
  • FR752303A - Device for the selective protection of sections of a line : en fr
  • US1927643A - Clutch booster : en
  • US1927219A - Coal distilling apparatus : en
  • US1927529A - Wash box and process of operating same : en
  • GB398568A - Improvements relating to carburetters : en
  • US1927743A - Painter's striping device : en
  • DE580852C - High-pressure composite locomotive with an additional engine : de en
  • DE584518C - Matrix setting and line casting machine with a device for holding and conveying the lines leaving the casting mold : de en
  • US1927145A - Dyeing of yarns : en
  • US1927175A - Hydrated solid carbon dioxide and method of making the same : en
  • DE584541C - Process for the refinement of vegetable tannin extracts : de en
  • FR752288A - Method and device for the insecticidal, anti-cryptogamic or other treatment of vine strains and all other plants : en fr
  • GB398726A - Improvements in the manufacture of knitted underwear : en
  • FR752357A - Pouring and closing device for bottles intended to be introduced into the neck of the bottles : en fr
  • US1927075A - Vibrator implement : en
  • DE584400C - Method and device for testing the tightness of empty cans : de en
  • FR752187A - Sophisticated profile slat closure : en fr
  • US1927421A - Insole : en
  • US1927609A - Positive acting valve : en
  • US1927776A - Method of impregnation for preserving wood by treatment of living standing trees : en
  • FR752418A - Improvements to key taps : en fr
  • FR752334A - Liquid mixing device : en fr
  • DE584293C - Spring-loaded plug socket : de en
  • US1927270A - Electrode holder : en
  • US1927660A - Treating materials with hydrochloric acid gas at elevated temperatures : en
  • FR752377A - Device used to work the propeller blades : en fr
  • US1927344A - Pilaster : en
  • US1927775A - Relay : en
  • DE584346C - Method of drying tobacco : de en
  • US1927195A - Key holder : en
  • DE584753C - Safe deposit box lock for two different keys : de en
  • DE584289C - Arrangement for high-frequency telephony on high-voltage lines : de en
  • GB398699A - Improvements in and relating to wireless receiving apparatus : en
  • FR752485A - Improvements in continuous presses to extract juice from grapes and other fruits : en fr
  • CA335728A - Sliding clasp fastener : en fr
  • FR752384A - Improvements to saws with removable blades : en fr
  • FR752477A - Method for the protection of gasometers against the effects of heat : en fr
  • US1927076A - Wooden casting pattern : en
  • US1927122A - Dispensing tube for pastes and creams : en