- US1919236A - Windshield cleaner :
en
- US1919356A - Hose :
en
- US1919771A - Press :
en
- US1919601A - Fuel injection device for internal combustion engines :
en
- AT134274B - Process for the distillation of oil-containing minerals, in particular oil shale. :
de
en
- US1919970A - Impeller :
en
- US1919778A - Gas purification :
en
- US1919919A - walter :
en
- DE581414C - Magnetic arc blowing for electrical switches :
de
en
- US1920045A - Signal light switch :
en
- US1919272A - Electromagnetically operated track switch for toy railroads :
en
- US1920163A - Distillation of tar :
en
- FR749675A - Dust extractor :
en
fr
- US1919312A - Paper drier :
en
- US1919927A - Welder's shield :
en
- US1919620A - Monospar airplane :
en
- US1919232A - Valve :
en
- US1920025A - Tippable and portable mixing apparatus :
en
- DE581529C - Device for holding vases, glasses or the like with the aid of a rubber disk which can be expanded into a suction cup by means of an adjusting device :
de
en
- FR749492A - Universal automatic rolling machine for permanent corrugations :
en
fr
- US1919239A - Knurled piston ring arbor :
en
- US1919349A - Sales cabinet for tire chains :
en
- USD90388S - Design fob :
en
- DE581390C - Cassette changing device :
de
en
- AT134221B - Circuit arrangement for company management subscriber sets. :
de
en
- US1919434A - Gauging machine :
en
- CA334274A - Classifying and separating machine :
en
fr
- US1919697A - Impregnated product and process for making the same :
en
- DE581465C - Spinning bath container for rayon spinning machines :
de
en
- CA334313A - Photo-sensitive control apparatus :
en
fr
- US1919883A - Stoppered tubular storage battery element :
en
- US1920062A - Liquid depth regulator for baths, tanks, and the like :
en
- FR749456A - Advanced tractor for agriculture :
en
fr
- FR749795A - Device allowing the rescue of a damaged ship or a submarine :
en
fr
- AT134321B - Method and device for the production of bodies from light metal by means of centrifugal casting. :
de
en
- US1919337A - Thermostatic controller :
en
- FR749469A - Portable electric light fixture :
en
fr
- GB395911A - Improvements in or relating to the manufacture of reinforced concrete floors :
en
- CA334263A - Garment :
en
fr
- DE581428C - Hollaender, in which the fabric is thrown by the roller against a collecting hood that is open at the bottom :
de
en
- US1919328A - Refrigerator doorlock :
en
- GB395931A - A metal frame-unit for constructional purposes :
en
- AT134256B - Process and means for avoiding disturbances caused by ferrous water when finishing textile goods. :
de
en
- FR749805A - Rice husking machine :
en
fr
- FR749562A - Primary teaching materials :
en
fr
- US1919401A - Fluid pressure brake :
en
- US1920076A - Machine for truing tile :
en
- US1920142A - Power plant :
en
- AT134231B - Process for the production of tensile solid chains, rings or the like. :
de
en
- US1919826A - Method of forming threaded bushings :
en
- FR749575A - Process for the manufacture of superior insulators for the technique of weak or intense currents :
en
fr
- GB395918A - Improvements in or relating to the filtration of gases :
en
- DE581583C - Process for the production of Kuepen dyes and their intermediate products :
de
en
- US1919291A - Cloth guiding device :
en
- FR749648A - Braking mechanism, in particular for aircraft landing wheels :
en
fr
- FR749801A - Alternating current control or energy transfer circuits :
en
fr
- DE581247C - Sealing body for insertion glands for electrical lines in junction boxes, switch housings and the like. like :
de
en
- AT129294B - Process for protecting magnesium and magnesium alloys against attack by heating baths made from molten salt. :
de
en
- US1919376A - Reversible pump turbine :
en
- US1919899A - Rotary cloth cutting and severing machine :
en
- US1919210A - Door switch or the like :
en
- US1919242A - Cooling system for firearms :
en
- US1919396A - Machine for pulling plants :
en
- FR749720A - Album for phonograph records :
en
fr
- US1919256A - Automatic timing device :
en
- US1919491A - Reenforced column :
en
- US1919969A - Protective apparatus :
en
- US1919836A - Jacketed apparatus for converting organic matter :
en
- FR749432A - Bed :
en
fr
- CA334360A - Zinc oxide production :
en
fr
- FR749748A - Method and devices for regulating the voltage at the primary of transformers :
en
fr
- US1919244A - Rotary spraying device :
en
- US1919885A - Printing telegraph receiving apparatus having case grouping of characters :
en
- US1919956A - Railway track brake :
en
- USD90392S - Michelangelo sttsi :
en
- CA334293A - Camera focussing device :
en
fr
- DE581469C - Rubble felting machine :
de
en
- US1919735A - Apparatus for making animated pictures :
en
- US1919249A - Ple gaining machine :
en
- AT134306B - Process for the production of iron rolls in which the jacket and the core are produced in separate working processes. :
de
en
- CA334258A - Friction clutch :
en
fr
- GB395947A - Improved process of preparing cellulose solutions, and process of producing artificial threads, films, bands and such like artificial products from these solutions :
en
- DK47575C - Light signal coupling, especially for railway operations. :
da
en
- DE581313C - Belt connector made of metal band with teeth :
de
en
- DK47569C - Coin testing device for vending machines. :
da
en
- GB395784A - Improvements in projection printing machines particularly for sound films :
en
- FR749566A - Friction device for braking mechanisms, clutch, or other applications :
en
fr
- FR749607A - Improvements to change-tariff meters :
en
fr
- FR749779A - Ice balancing system for railroad cars, street cars, etc. :
en
fr
- GB395832A - Manufacture of monoazo-dyestuffs :
en
- DE555445C - Process for the production of hillshade plates for cartographic purposes :
de
en
- FR749459A - Tilting device for automobile headlights and other uses :
en
fr
- FR749574A - Universal stretch fabric :
en
fr
- US1919708A - Jar cap wrench :
en
- DE581161C - Process for the production of water-soluble dyes of the anthraquinone series :
de
en
- DE581367C - Sectional boiler with a device to bring about different temperatures in the boiler parts :
de
en
- DE581370C - Magnetic coupling, in particular for measuring purposes :
de
en
- FR749552A - Automatic sheet printing machine with fixed cliché board and movable impression cylinder :
en
fr
- GB395827A - Improvements relating to tachometer generators for motor vehicles and the like :
en
- GB395877A - Improvements relating to supports for the roof, sides and floor of mines, tunnels and the like :
en
- GB396436A - Improvements in or relating to wireless receiving apparatus :
en
- DE581386C - Shaking device for sieves :
de
en
- FR749431A - Device for supplying hot air to a fireplace :
en
fr
- FR749630A - Nozzle for spraying materials intended to be applied by spraying :
en
fr
- GB395858A - Improvements in or relating to tins, canisters and like metal containers :
en
- AT134258B - Process for the production of waterproof permanent laundry. :
de
en
- DE581404C - Machine for adjusting a sole attached to the shoe for the attachment of heels :
de
en
- US1919321A - Display device :
en
- GB395790A - Improvements in and relating to electric terminals :
en
- GB395946A - Improvements in or relating to the mounting of cylinders in internal combustion engines :
en
- GB395775A - Process for the preparation of un-vulcanised india-rubber in crumb or powder form :
en
- DE581334C - Process for the direct extraction of iron and steel :
de
en
- GB395819A - Improvements in electrically heated vessels, such as kettles and the like :
en
- GB396091A - Improvements relating to illuminated signs :
en
- DE581208C - Spool bank replacement device for wing spinning, wing twisting and similar textile machines :
de
en
- DE581402C - Wire-spoke wheel, in which the rim is detachably fixed on the brake drum :
de
en
- US1919624A - Chrome scale softening process :
en
- US1919815A - Press :
en
- US1919857A - Destructive hydrogenation of coals, tars, mineral oils, and the like :
en
- US1919874A - Signal mechanism for highway intersections :
en
- GB395993A - Improvements in instruments for measuring mechanical forces :
en
- GB395876A - Improvements in and relating to automatic telephone systems :
en
- US1919536A - Engine control means :
en
- US1919651A - Clutch :
en
- US1920065A - Method of surface finishing articles made of hydraulic cement mixtures :
en
- US1919776A - Two-operator two-hand control :
en
- FR749680A - Method and apparatus for taking x-rays :
en
fr
- AT134357B - Machine gun. :
de
en
- DE581256C - Process for the manufacture of tanning agents :
de
en
- DE581584C - Method and device for the decomposition of liquid mixtures, in particular those which contain hydrocarbon oils, acidic resin and acid :
de
en
- USD90385S - Jack schweizer :
en
- US1919961A - Propeller and flywheel :
en
- AU824632A - An improved shuttle-tennis game :
en
- DE581125C - Circuit arrangement for local long-distance line selectors for mediating calls in the local network and over the long-distance exchange :
de
en
- FR749733A - Plastics for films, films, threads and various other uses :
en
fr
- US1920124A - Burner :
en
- US1920149A - Vehicle body for transoporting mixed concrete :
en
- DE581307C - Electric AC switch with arc extinguishing by steam :
de
en
- AT134305B - Process for the simultaneous production of one or more castings by centrifugal casting. :
de
en
- FR749693A - Apparatus for receiving, storing and lifting materials such as, for example, household refuse :
en
fr
- FR749473A - Laundry wringer with air control :
en
fr
- FR749544A - Device establishing by purely photographic means the plan of a ground :
en
fr
- DE581248C - Putty-free fastening of electrical cable clamps in bases made of porcelain or similar building materials for installation apparatus :
de
en
- DE581586C - Seating and reclining furniture that can be converted into a bed :
de
en
- DE581553C - Ferrari motor for clock and drives :
de
en
- FR749848A - Fermentation process :
en
fr
- GB395828A - Bathroom cabinet :
en
- GB396021A - A safety apparatus for aircraft for providing an easy exit in case of emergency :
en
- GB396057A - Improvements relating to impact testing machines :
en
- DE581494C - Device for transferring the conveyor wagons from one track to an adjacent one :
de
en
- FR749465A - Purification and thermal recovery installation, more particularly for the treatment of soapy, oily or other water :
en
fr
- FR749540A - Elastic articulation device :
en
fr
- CA334350A - Composite sink :
en
fr
- DE581218C - Process for the preparation of black Pb O, a new modification of the red lead :
de
en
- US1919917A - Geophysical exploration method :
en
- US1919303A - Apparatus for separating dust from air and gases :
en
- GB395936A - Self-tightening railway permanent way :
en
- GB395908A - Improved rubber mixture for insulation purposes, especially for the insulation of marine communication cables :
en
- US1920013A - Beverage water heater :
en
- FR749836A - Device for positioning transferred figures optically :
en
fr
- DE581229C - Process for the production of fast drying sulphided fatty oils :
de
en
- DE581306C - Method and device for protecting a device for conveying liquefied gases by means of a pump :
de
en
- US1919553A - Detachable blade drag bit :
en
- US1919923A - Leer :
en
- USD90386S - Design for :
en
- US1919425A - Process for dissolving titaniferous materials in acids :
en
- US1919774A - Variable speed alternating current motor :
en
- AT134315B - Snow basket for ski poles. :
de
en
- DE581377C - Clamping device for the sound pen, especially on electric pickups :
de
en
- FR749828A - Eclipse mobile display case device :
en
fr
- GB395848A - Improvements in or relating to the drying and moistening of tobacco :
en
- FR749731A - Improvements to processes for the purification of used lubricating oils or to the purification of new oils :
en
fr
- DE581261C - Carrier for photographic sound recordings :
de
en
- DE581541C - Multi-part permanent casting mold for the aluminothermic welding of workpiece ends, for example rails :
de
en
- AT134308B - Marking device for games. :
de
en
- CA334382A - Locomotive stoker :
en
fr
- US1919388A - Safety razor :
en
- US1919613A - Folding table :
en
- US1919527A - Trap :
en
- USD90353S - Design for a faucet :
en
- US1919270A - Spool :
en
- US1919981A - Power installation :
en
- US1919332A - Bore-hole surveying device :
en
- US1920138A - Method of making slide fasteners :
en
- DE581452C - Brush holder with brush pockets adjustable in width by moving one side wall :
de
en
- DE581512C - Swiveling belt guide and belt tensioning pulley for spinning, twisting and similar textile machines :
de
en
- FR749564A - Device for drying centrifuge bowls :
en
fr
- GB396006A - Rotary brushes :
en
- FR749557A - Device for guiding and tensioning cables on hoists, winches, etc. :
en
fr
- GB396008A - Improvements in or relating to high frequency distribution systems for radio reception :
en
- DE581287C - Holders for double-sash windows, doors, etc. like. in partially open position :
de
en
- DE581339C - Circuit arrangement for the connection of several different frequency ranges preferring roaring capacitors :
de
en
- FR749671A - Improvements in the manufacture of ethyl alcohol :
en
fr
- GB395800A - Improvements in or relating to lifting and hauling gear for loading and unloading vehicles :
en
- AT134237B - Device for the production of helically wound filaments for electric light bulbs. :
de
en
- FR749830A - Fans :
en
fr
- FR749682A - Improvements to spark plugs for internal combustion engines :
en
fr
- GB395975A - Improved method for the manufacture of plaited artificial silk incandescent mantles :
en
- DE581490C - Firing pin consisting of slidable sleeves :
de
en
- GB396108A - Improvements in or relating to sighting apparatus for guns for use on aircraft :
en
- DE581448C - Vacuum switch :
de
en
- DK47580C - Automatic firearm. :
da
en
- US1920072A - Removable exposure and focusing device for cameras :
en
- FR749483A - Closing device for paint sprayer cups or cans :
en
fr
- FR749532A - Device for starting high compression engines :
en
fr
- US1919383A - Footwear area calculator :
en
- US1920038A - Transmission control mechanism :
en
- US1919257A - Fluid dispensing apparatus :
en
- DE554959C - Device for moving liquid metal, in particular for compressing gases and vapors in refrigeration machines :
de
en
- DE581392C - Lens shutter :
de
en
- US1919549A - Tile cleaniera ahpabattis :
en
- US1919609A - Worktable :
en
- US1919340A - Mechanically expansible element :
en
- US1919532A - Insulating covering :
en
- US1920152A - Antipilferage seal :
en
- DE581513C - Self-acting locking :
de
en
- US1919632A - Sound radiator :
en
- US1919258A - Kiln :
en
- GB395767A - Improvements in or relating to machines adapted for the coating of soles for boots and shoes :
en
- CA334335A - Engine lubricating system :
en
fr
- AT134287B - Softeners for plastic masses made from cellulose derivatives. :
de
en
- DE581554C - Roller weir with attachment flap :
de
en
- AT134313B - Lighter with a spring lid and a wick cap detachably attached to it. :
de
en
- AT134218B - Arrangement for the synchronous operation of an image splitting and composing device. :
de
en
- US1920125A - Process for the recovery and purification of lubricating oils from mineral oils :
en
- CA334330A - Brake shoe mould :
en
fr
- US1920036A - Swimming machine :
en
- US1919523A - Clutch :
en
- US1919591A - Gas burner :
en
- US1919608A - Tail gate elevator :
en
- US1919741A - Lubricated bearing :
en
- DE581268C - Device for reducing the effective pressure of the fabric presser when darning with sewing machines :
de
en
- US1919269A - Garage :
en
- US1919222A - Navigational instrument :
en
- US1919378A - Automatic switching device :
en
- US1919539A - Wheel :
en
- US1919753A - Sound on film apparatus :
en
- DE581393C - Film conveyor device for cinematographic recording or projection apparatus with continuously moving film tape :
de
en
- FR749412A - Dry cell cell improvements :
en
fr
- GB396031A - Improvements in dynamo electric machines :
en
- CA334408A - Oil burner :
en
fr
- FR749701A - polishing element for sanding machine :
en
fr
- US1919538A - Process and apparatus for making electrical measurements :
en
- US1920113A - Speed indicating device :
en
- US1919351A - Wall-paper scraper :
en
- US1919399A - Typewriter attachment :
en
- DE581430C - Spinning bobbins :
de
en
- FR749561A - Spare wheel support swivel device :
en
fr
- FR749811A - Lane change control with needle control :
en
fr
- AT134387B - Burglar protection. :
de
en
- US1919185A - Cooker and cooler :
en
- USD90372S - Charles miller :
en
- DE579737C - Blade for impellers of pumps, turbines and turbo compressors :
de
en
- GB395948A - Improvements in or relating to appliances for starting siphons :
en
- AT134207B - Power converter. :
de
en
- AT134290B - Device for guiding rubber threads or the like. :
de
en
- US1919979A - Electric switch :
en
- DE530120C - Machine for centerless grinding, especially of tapered rolls :
de
en
- DE581322C - Process for drying Duengesalzen or chlorinated potassium in the potash industry :
de
en
- AT134394B - Alarm device. :
de
en
- CA334268A - Fruit basket cover fastener :
en
fr
- US1919335A - Vapor generating unit :
en
- FR749548A - Improved process and apparatus including application for treating hats and other articles by washing, finishing, dyeing or other baths :
en
fr
- GB395951A - Manufacture of azo-dyestuffs :
en
- US1920067A - The cardel company, inc. :
en
- FR749484A - Lock for removable rims :
en
fr
- US1919548A - Gas choke for plunger lift devices :
en
- US1919405A - Truss :
en
- US1920049A - Stop-cock with electric heater :
en
- US1919529A - Pneumatic lift plunger :
en
- US1919540A - Machine casing element and method of making same :
en
- US1919213A - Electricity meter :
en
- US1919313A - Combined starter and choke control :
en
- DE581249C - Uninterruptible switching device for the voltage coil of a relay or measuring system :
de
en
- GB395820A - Improvements in the manufacture and production of azo dyestuffs :
en
- US1919315A - Track frame structure :
en
- DE581191C - Cinema trick template :
de
en
- DE581262C - Device for the automatic determination of the luminous efficiency of electric lamps :
de
en
- DE581548C - Locking device for open window sashes :
de
en
- DE581557C - Process for compressing sulfur and arsenic from gases containing sulfur arsenic :
de
en
- DE581260C - Compass head joint :
de
en
- FR749514A - Device for curling hair :
en
fr
- GB396033A - Improvements in or relating to driving devices for conveying troughs for stacked goods and attached to oblique vibrating members :
en
- FR749594A - Instrument for picking up and handling small objects :
en
fr
- FR749625A - Process for the selective separation of acetylene from mixtures which contain it with other hydrocarbons :
en
fr
- FR749644A - Floor executable without formwork and made up of beams and slab pieces placed between these beams :
en
fr
- GB395818A - Improvements in and relating to colour sensitized collodion photographic plates :
en
- DE581571C - Process for the manufacture of footwear :
de
en
- DK47566C - Procedure for the production of wine and similar alcoholic products. :
da
en
- US1919261A - Combination corset and brassiere :
en
- US1919311A - Door panel construction :
en
- US1919366A - Rubber lining for acid containers :
en
- GB395950A - Improvements in or relating to hurricane lanterns :
en
- GB396016A - Improvements in fasteners for bonnets of automobiles and for analogous purposes :
en
- GB395847A - Improvements in apparatus for facilitating inhaling or distributing pulverulent products :
en
- GB395937A - Improvements in combined rear vision mirror and clock suitable for use on motor driven vehicles :
en
- GB396037A - Improvements in and relating to decorating surfaces :
en
- DE581348C - Time remote switch for stairwell lighting with a thermostat, which is heated by a heating coil in the remote control circuit :
de
en
- DE581362C - Needle bar for flat weft knitting machines :
de
en
- DK47568C - Suction fan. :
da
en
- GB395758A - Improved system for the voltage transformation of direct current electrical energy :
en
- DE581271C - Dust mill for cocoa cake :
de
en
- AT134376B - Printing device for accounting machines. :
de
en
- FR749659A - Independent ignition internal combustion engine running on medium and heavy oil :
en
fr
- FR749850A - Instrument used to immobilize the valves of internal combustion engines during the disassembly or reassembly of the keys or repair of the stem :
en
fr
- GB395874A - Improvements relating to the control of the volumetric output and discharge pressure of fans, blowers, and pumps, of the centrifugal and propeller types, by modification to the intake conditions :
en
- GB395884A - An electric switch and socket combination with protective arrangement :
en
- DK47571C - Bone iron. :
da
en
- DE581565C - Method of playing back sound films :
de
en
- FR749449A - Improvements to bathing suits :
en
fr
- FR749722A - A process for bonding, or even waterproofing, paper and cardboard, as well as objects made of paper, cardboard or pulp :
en
fr
- GB395830A - Improvements in or relating to valves suitable for controlling the delivery of liquids :
en
- US1919597A - Closure for metal drums or the like :
en
- US1919872A - Tempering :
en
- US1919825A - Treating cracked distillates :
en
- CA334316A - Shade roller :
en
fr
- FR749505A - Improvements to metal guillotine frames :
en
fr
- FR749709A - Improvements in the manufacture of artificial materials :
en
fr
- US1919520A - Controlling means :
en
- US1919854A - Cleaning apparatus :
en
- US1919379A - Method of producing beryllium-aluminium alloy :
en
- FR749491A - Shoe made of rubber or mainly rubber :
en
fr
- GB396014A - Improvements in and relating to fire-grates :
en
- US1919350A - Oil well cleaning device :
en
- US1919484A - Shock insulator :
en
- US1919595A - Projection machine :
en
- GB396081A - Improvements in or relating to coating compositions :
en
- US1919479A - Process of making alloys :
en
- FR749579A - Large incandescent cathode rectifier :
en
fr
- USPP73P - simpson :
en
- FR749543A - Improvements to drainers for sinks :
en
fr
- US1919533A - Brake band :
en
- FR749481A - Improvements to leaf springs :
en
fr
- USD90376S - of chattanooga :
en
- DE581435C - Process for the preparation of bile acid compounds of aminonaphtholsulfonic acids :
de
en
- FR749542A - Coffee filter :
en
fr
- FR749405A - Improvements to heel protectors for stockings or socks :
en
fr
- FR749528A - Device for clamping rolled meats :
en
fr
- US1919310A - Process for the simultaneous production of phosphorus and alumina :
en
- DE581520C - Blowdown valve :
de
en
- DE581408C - Guide device for reversible water turbines, which are flowed through periodically in the opposite direction :
de
en
- DE581570C - Process for compacting and hardening the surface of rotating bodies made of chilled cast iron :
de
en
- FR749824A - Process to rid the casings used to make catgut of germs :
en
fr
- DE551330C - Pants to be worn under the shirt :
de
en
- US1919995A - Method of forming cores for dynamo-electric machines :
en
- USD90370S - Design fob a combined dresser and mirror :
en
- US1919357A - Play ball and method of making the same :
en
- DE581395C - Baling press, especially for pressing loose material :
de
en
- GB395913A - Improvements in removable metal crowns or bridges and methods for producing and affixing them :
en
- DE581237C - Device for the evaporation of liquids, drying of materials or for the crystallization of salts from their solutions :
de
en
- DE581468C - Collapsible table :
de
en
- FR749825A - Graphical method for determining the density of coal briquette loadings and their ash content :
en
fr
- US1919228A - Drag line excavator :
en
- US1920157A - Vulcanizing press :
en
- FR749425A - Improvements to devices for advertising :
en
fr
- GB395976A - Improvements in machines for testing abrasive qualities of materials and for testing lubricants :
en
- FR749752A - Advanced leaf spring :
en
fr
- FR749822A - Advertising or decorative signs :
en
fr
- GB395849A - Self fixing fastener for stair carpets and the like :
en
- US1919407A - Vegetable and orchard heater :
en
- DE581418C - Overcurrent switch with toggle lever contact device :
de
en
- FR749672A - Worm press :
en
fr
- USD90390S - Walter speck :
en
- CA334387A - Signalling system :
en
fr
- US1919586A - Propeller :
en
- US1919982A - Compass :
en
- US1920040A - Well head controller :
en
- US1919331A - Household filter :
en
- US1920022A - Bearing manufcture :
en
- US1920057A - Composite mat :
en
- DE581372C - Two-chamber dry gas meter :
de
en
- US1919347A - Compressed metal joint and method of making the same :
en
- US1919605A - Dispensing container :
en
- US1919588A - Blade for windmill impellers :
en
- GB396380A - Process for treating cobalt-tungsten alloys :
en
- DE581278C - Multi-part caterpillar guide frame for caterpillar vehicles :
de
en
- DE581535C - microscope :
de
en
- FR749414A - Air navigation device, drift indicator and speed over the ground :
en
fr
- GB395970A - Obturating device for preventing the re-filling of bottles, flasks and the like :
en
- FR749840A - Electric clock :
en
fr
- US1919362A - Pipe holder :
en
- US1919226A - Paper feeding mechanism :
en
- US1919316A - Fire extinguisher :
en
- US1919468A - Tong :
en
- US1919724A - Apparatus for mixing concrete :
en
- US1919706A - Means for playing a game of skill :
en
- USD90365S - Design for a centrifugal separator frame :
en
- FR749482A - Enhancement with sticks :
en
fr
- FR749677A - Glove enhancements :
en
fr
- DE581576C - Brush with a metal frame :
de
en
- US1919225A - Pressure control for muller rollers :
en
- GB396092A - A process for the production of nitrogenous and/or phosphatic mixed fertilisers of desired composition by treatment of raw phosphates with nitric acid :
en
- GB395940A - Improvements in cam systems for pearl stitch knitting machines with jacquard attachment :
en
- DE581433C - Liquid filter :
de
en
- FR749487A - Metal wheel for agricultural or industrial equipment :
en
fr
- GB396043A - Improvements in printing plate assemblies :
en
- US1919502A - Method of neutralizing butter fat :
en
- FR749603A - Device for the production of molded glass :
en
fr
- FR749613A - Automatic regulator for hydro-pneumatic shock absorbers :
en
fr
- FR749718A - Perfected laundry room :
en
fr
- FR749641A - Wave superimposition receiver :
en
fr
- GB395983A - Improvements in tunnel kilns :
en
- US1919184A - Brake operating mechanism :
en
- US1919372A - Porous molded product and process of manufacturing the same :
en
- US1919552A - Attaching grommets to metal plates :
en
- FR749494A - Improvements to pneumatically actuated acoustic warning devices :
en
fr
- DE581453C - Single-phase asynchronous motor with auxiliary phase winding for driving compressors :
de
en
- DE581376C - Forage scales :
de
en
- AT134292B - Centrifugal process for separating the mother liquor from crystals or crystal fillings. :
de
en
- DE581223C - Device for the equalization of the stepping mechanisms of telephone stations located on a common line :
de
en
- DE581581C - Electromagnetic switch for automatic, adjustable, short-term closing or opening of a contact :
de
en
- GB395964A - Improvements in or relating to gas-heated appliances :
en
- GB395997A - Improvements in and relating to closures for non-refillable bottles :
en
- US1919186A - Apparatus for handling bent metal :
en
- US1919838A - Nested base for lamps, etc. :
en
- US1919862A - Shoe :
en
- GB396005A - Improvements relating to heat transferring devices for use in air heating apparatus :
en
- FR749517A - Improvements to the assembly of the front fenders, headlights and radiator on the body of a vehicle :
en
fr
- AT134382B - Motor-driven sewing machine. :
de
en
- US1919280A - Receptacle for granular or pulverulent condiments for table use :
en
- AT134260B - Process for improving the mechanical properties of materials. :
de
en
- CA334375A - Burner fuel supply device :
en
fr
- GB395854A - Improvements in and relating to dynamo electric machines :
en
- GB396060A - Improvements in or relating to abrasive wheels or other abrasive articles :
en
- CA334409A - Electric starting motor :
en
fr
- FR749810A - Two-stroke rotary diesel engine with variable chambers :
en
fr
- AT134384B - Support frame for pianos, grand pianos, etc. like :
de
en
- US1919964A - Meat-cubing machine :
en
- DE581432C - Rotary filter under pressure and continuously working :
de
en
- FR749647A - Heat recovery device for central heating boilers and other heating devices :
en
fr
- DE581231C - Metallic roller for baths, especially acid baths :
de
en
- DE581456C - Single or multi-phase, three or multi-winding transformer :
de
en
- GB395999A - Improvements in or relating to closures for non-refillable bottles and like containers :
en
- DE581308C - By changing electricity, e.g. B. AC, heated glow cathode amplifier tubes :
de
en
- FR749740A - Automatic emptying device for ice machine :
en
fr
- FR749751A - Soap, known as household soap, and process for its manufacture by cold route :
en
fr
- DE581254C - Arm anode for metal vapor glass rectifier high voltage :
de
en
- CA334363A - Composite bag :
en
fr
- AT134307B - Device for the piece-wise dispensing of cigarettes. :
de
en
- AT134341B - Deck chairs for boats, in particular for folding boats. :
de
en
- CA334401A - Telephone exchange system :
en
fr
- DE581431C - Heating plate for drying purposes, especially for drying fabric sheets :
de
en
- GB395925A - Improvements in or relating to packing materials :
en
- CA334309A - Welding electrode :
en
fr
- CA334319A - Fabric making process :
en
fr
- DK47577C - Method and Device for Extraction of a Carbon Monoxide - Free Bygas. :
da
en
- FR749493A - Process for obtaining a wheat-based food product :
en
fr
- FR749676A - Game :
en
fr
- GB395995A - Machine for spreading of artificial fertilizers, seed, grain or the like :
en
- CA334269A - Teapot :
en
fr
- CA334299A - Cork and fibre product :
en
fr
- USD90367S - Design fob a commercial display unit :
en
- US1919410A - Sewing machine :
en
- AT134319B - Press or injection molding process. :
de
en
- CA334343A - Photoprinting machine :
en
fr
- DE581504C - Method and device for the simultaneous degassing of several metal baths in molds by means of a rocking device :
de
en
- US1919461A - Method of and means for taking soil tests :
en
- AT134296B - Wood gas generator. :
de
en
- US1919667A - Merchandise dispensing apparatus :
en
- US1919881A - Pipe cutter :
en
- US1920151A - Potential producing cell :
en
- FR749736A - Remote transmission :
en
fr
- DE581298C - Collapsible box :
de
en
- GB395829A - Improvements in and relating to valve grinding tools :
en
- GB395898A - A sweeping brush holder and shaft holder :
en
- GB396056A - Improvements in or relating to electrical cut-outs :
en
- FR749670A - Further training in drive systems :
en
fr
- US1920147A - Horn :
en
- CA334272A - Game :
en
fr
- AT134309B - Pocket lighter. :
de
en
- DE581294C - Sliding shoe :
de
en
- AT134223B - Procedure and arrangement for the investigation of telecommunication lines. :
de
en
- FR749461A - Process for the manufacture of readily soluble ether salts of leucon derivatives of tank dyes :
en
fr
- US1920141A - Split bushing for tool posts and similar applications of use :
en
- US1920154A - Edgewise winding machine for stator cores :
en
- FR749725A - Method of spraying liquids by means of an electromagnetic gas-fluid pump :
en
fr
- GB395910A - Improvements in or relating to door fastenings :
en
- US1919398A - Copper oxide rectifier :
en
- US1919421A - Snap-acting valve device :
en
- US1919201A - Screen for paper stock and the like :
en
- US1919967A - Friction block :
en
- US1920012A - Internal combustion engine :
en
- DE581352C - Protective device for multi-phase AC machines, especially single armature converters :
de
en
- AT134282B - Process for processing coffee, cocoa, mate. :
de
en
- CA334406A - Oil burner :
en
fr
- US1919318A - Back hair confiner :
en
- USD90378S - camera casing :
en
- US1919507A - Sprinkler fire extinguishing system :
en
- US1919949A - Electric heating system :
en
- US1919555A - Radiator cabinet :
en
- US1919587A - Valve for animal feeders :
en
- DE581510C - Command transmission device with acknowledgment using direct current :
de
en
- DE581587C - Liftable and lowerable sealing strip for doors :
de
en
- DE581533C - Machine for building treads :
de
en
- CA334251A - Thermal relay :
en
fr
- GB396011A - Manufacture of 3-oxyselenonaphthene and its derivatives :
en
- DE581420C - Device for switching off the direct current load by a switch in the direct current circuit in an arrangement of metal rectifier cells, several of which are connected to a transformer or voltage divider :
de
en
- GB395866A - Improved apparatus for use in the withering of tea :
en
- US1919790A - Feed mechanism for grinding machines :
en
- US1919516A - Hedge trimmer or clipper :
en
- US1919675A - Invertase preparation and method of making the same :
en
- US1919746A - Folding chair :
en
- US1919953A - Binding post :
en
- CA334372A - Gas admixture apparatus :
en
fr
- AT134252B - Process for the production of a rust preventive and for the treatment of iron and steel with this rust preventive. :
de
en
- US1919955A - Gas offtake apparatus :
en
- US1919437A - Shaft coupling :
en
- US1919677A - Protected metal article :
en
- US1920044A - Hinge construction :
en
- US1919678A - Anton yttbkovitch :
en
- DE581289C - Adjustable vulcanizing mold :
de
en
- CA334383A - Stoker fuel distributor :
en
fr
- GB396024A - Improvements in refrigerating machines :
en
- AT134268B - Process for generating insoluble azo dyes on fiber. :
de
en
- AU922632A - Process for the manufacture of rolled and pressed wheel discs, wheel spokes or the like, in which the part of the disc lying between the hub and the rim including the thickened portion near the rim ,is undulated in an axial direction and the preparation of the die for carrying out the said process :
en
- US1919329A - Purification of cellulose :
en
- AT134205B - Device and method for the determination of leaks in oil-filled cable systems. :
de
en
- AT134371B - X-ray tube. :
de
en
- US1919423A - Fluid pressure brake :
en
- CA334285A - Pulping and shredding system :
en
fr
- FR749463A - :
fr
- FR749727A - Automobile rear axle body and method of manufacturing such a body :
en
fr
- CA334377A - Mineral oil processing :
en
fr
- US1919783A - Corn harvester :
en
- US1919813A - Rug hook :
en
- USD90381S - schwarz :
en
- US1919714A - Method for preparing insoluble pigments :
en
- CA334404A - Anti-glare device :
en
fr
- DE581387C - Sewing machine for sewing the parts of moccasin-like shoes together :
de
en
- GB395935A - Improvements in and relating to match boxes :
en
- GB395988A - A solid adjustable fire screen :
en
- AT134273B - Method and device for the production of separators, filters, diaphragms or the like from porous or porous and non-porous soft to hard rubber and the like. like :
de
en
- DE581230C - Method for producing a bandage encompassing the ankle on the flat weft knitting machine :
de
en
- DE581534C - Telescope with image-inverting prism system :
de
en
- DK47574C - Swim. :
da
en
- AT134392B - Device for the size classification of granular material. :
de
en
- FR749646A - Advanced bumper :
en
fr
- IE12247L - Vaccines :
en
- US1919438A - Plate for circuit breakers :
en
- US1919509A - Multiple lay cable :
en
- US1919931A - Drill stem for flush joint drilling apparatus :
en
- CA334368A - Switching mechanism :
en
fr
- FR749769A - Process for the manufacture of a high voltage electric cable and cable obtained by this process :
en
fr
- FR749433A - Corrugated iron spool for spinning artificial silk :
en
fr
- AT134236B - Lock with an insert plate cut out according to the cross section of the key. :
de
en
- GB395751A - Improvements in cardboard boxes :
en
- GB395805A - Improvements in and relating to stands for motor cycles :
en
- GB395738A - Improvements in electric luminous discharge tubes :
en
- FR749686A - Thermal, acoustic and sound insulation material :
en
fr
- FR749802A - Deviation indicator or deviometer :
en
fr
- CA334333A - Hopper car :
en
fr
- CA334392A - Ingot and mould :
en
fr
- US1919751A - Wedge for form ties :
en
- DE581327C - Device for the automatic removal of the trimmed stacks of paper or books on cutting machines with a table that can be rotated around its horizontal axis :
de
en
- DE581295C - Process for spraying liquid fogging agents from fog spraying devices :
de
en
- FR749534A - Process for the production of hydroxy ethers of cellulose :
en
fr
- DE549132C - Baking or Doerrofen with baking boxes moving up and down in adjacent shafts, forming a stack :
de
en
- CA334342A - V-type engine :
en
fr
- FR749485A - Device intended to reduce ventilation losses in machines carrying fluid currents and operating empty :
en
fr
- FR749785A - Manufacturing process for footwear with a stamped sole :
en
fr
- US1919380A - Method of removing articles from packing cases :
en
- DE581445C - Scissor pantograph with swinging upper bow :
de
en
- DK47565C - Automatic firearm. :
da
en
- CA334390A - Lubricating oil processing :
en
fr
- US1919583A - Foot rail :
en
- DE557370C - Method of joining refractory substances, e.g. B. tungsten carbide, with easily melting, z. B. steel or bronze :
de
en
- DE581326C - Plaette press :
de
en
- FR749626A - Copying apparatus for typewriters :
en
fr
- GB396025A - Improvements in airplane fusilages :
en
- US1919839A - Pipe-bending machine :
en
- FR749742A - Process for preparing a vitamin food product :
en
fr
- US1919489A - Tube mill bearing device :
en
- US1920155A - Core forming machine for electrical apparatus and method of making cores :
en
- US1919657A - Shoe and process of lasting the same :
en
- GB395814A - Improvements in or relating to vacuum cleaners :
en
- FR749767A - Improvements to methods and pointing devices :
en
fr
- FR749541A - Wide base pile molded into the ground :
en
fr
- FR749812A - Coupling for controlling lane changes and signals :
en
fr
- DE581460C - Electrolytic capacitor for direct current :
de
en
- GB395926A - Improvements in wood working machines :
en
- FR749477A - Improvement in the heating device of fuel appliances using heavy or medium-heavy hydrocarbons :
en
fr
- US1919848A - Device for opening bulbs closed by welding and their application to fire extinguishers :
en
- US1919402A - Steam driven fluid compressor :
en
- US1919960A - Regulator control system :
en
- US1920055A - Shock absorber :
en
- US1920111A - Cop winding frame :
en
- US1920133A - Billet feeding and heating apparatus :
en
- DE581424C - Electric single drive for fast rotating bodies with vertical shaft, in particular rayon spinning pots, twisting spindles and the like. like :
de
en
- CA334289A - Valve seat tool :
en
fr
- US1919963A - Coin packaging device :
en
- US1919436A - Indicator :
en
- US1919743A - Temperature controlled furnace fan :
en
- US1919959A - Absorbent filter for smoking appliances :
en
- US1920043A - Humidostat :
en
- DE581275C - Airplane with a freely rotating jack screw :
de
en
- US1919669A - Hydrocarbon mineral oil :
en
- US1919847A - Centripugal air or gas injector :
en
- US1920090A - Heat treatment for aluminum base alloys :
en
- CA334338A - Hydrocarbon conversion :
en
fr
- CA334412A - Hydrocarbon oil processing :
en
fr
- US1919487A - Hosiery :
en
- FR749468A - Shoe sole trim :
en
fr
- GB395930A - Improvements in or relating to parlour game apparatus :
en
- US1919897A - Baling machinery :
en
- US1920068A - Closure with valve for bottles or the like :
en
- FR749418A - Improvements to two-stroke internal combustion engines, especially those with opposed pistons :
en
fr
- FR749601A - Automotive car door lock :
en
fr
- DE581240C - Method and device for steam turbine systems for diverting the auxiliary turbine exhaust steam :
de
en
- DE581349C - Heat release device :
de
en
- DE581474C - Device for determining the refraction of the eye :
de
en
- US1919416A - Evacuation of condensate :
en
- US1919607A - Telegraph system :
en
- US1919890A - Control system for electric current rectifiers :
en
- GB395927A - Improvements in or relating to shutters for controlling the flow of air and other fluids :
en
- US1919343A - Dust collector for inclosed brake :
en
- FR749538A - Strip with electrical contactor for public roads for automatic signaling, contacting vehicles in a given direction of movement :
en
fr
- FR749761A - Stitching plate system for the production of knitted fluff on circular stitch looms :
en
fr
- US1919671A - Auto window operating means :
en
- FR749409A - Device for converting direct current into alternating current :
en
fr
- FR749513A - Transmitter device for telecriving machines :
en
fr
- FR749707A - Electrically controlled and pressurized fluid actuated device for opening and closing car doors :
en
fr
- DE581297C - Extrusion press for ceramic goods and other plastic masses :
de
en
- GB395785A - Improvements in or relating to boots, shoes and other footwear and to the method of making same :
en
- FR749743A - Device for remote signal transmission :
en
fr
- FR749735A - Emergency direction for airplanes :
en
fr
- GB396382A - Improvements in, or relating to, gate-end loading devices :
en
- GB395859A - Improvements in, or relating to, chequer bricks for blast furnace stoves, or the regenerator chambers of furnaces, and coke ovens :
en
- US1919757A - Process of treating laminated glass to prepare it for sealing :
en
- GB395892A - Improvements in pneumatic cushions :
en
- US1919198A - Container for golf balls and tees :
en
- US1919684A - Pipe finishing method and apparatus :
en
- US1919686A - Machine for rolling tubular products :
en
- DE581118C - Tablet feed for wrapping machines :
de
en
- DE581550C - Device to make the frequency and amplitude proportional brightness fluctuations visible to the eye in a manner otherwise known when hearing sound energy :
de
en
- FR749497A - Improvements in the manufacture of tensile springs and product obtained :
en
fr
- GB396029A - Improvements in or relating to carburettors for heavy liquid fuels :
en
- GB395765A - Improvements in domestic ovens :
en
- GB395934A - Improved lighting system for road vehicles, aircraft or watercraft :
en
- FR749666A - Improvements to machines for projecting stock market prices :
en
fr
- FR749593A - Improvements in surface hardening processes for austenitic steels and alloys :
en
fr
- FR749668A - Improvements made to the sleeves or handles, in particular to the racket sleeves :
en
fr
- GB395895A - Improvements in devices for truing grinding discs :
en
- FR749691A - Improvements applied to the manufacture and installation of parquet floors :
en
fr
- FR749834A - Force amplifying apparatus for controlling indicating, recording, regulating or similar devices :
en
fr
- GB395780A - Improvements in and relating to speed governing mechanism for prime movers :
en
- GB396093A - Improvements relating to nuts and bolts :
en
- GB396022A - High-frequency transformer :
en
- FR749637A - New cardboard packaging for fruits and early vegetables :
en
fr
- FR749689A - Device for improving the evacuation of the heat given off by electric windings and windings, housed in a housing :
en
fr
- FR749787A - Improvements to leaf springs :
en
fr
- GB395992A - Improvements in and relating to a slide rule :
en
- FR749838A - Motor control device :
en
fr
- GB395833A - Improvements relating to electric switches or circuit breakers :
en
- GB395952A - Improvements in and connected with domestic fire grates :
en
- DE581239C - Process for the production of benzanthronaldehyde :
de
en
- USD90375S - A cobpobation :
en
- US1919203A - Furnace :
en
- US1919195A - Pumping mechanism :
en
- US1919435A - Train pipe coupling :
en
- US1919215A - Thunderstorm or electric field and potential indicator :
en
- US1919278A - Switch :
en
- US1919896A - Combination thresher and windrow pick-up :
en
- GB395788A - Improvements in and relating to pulverising and grinding machines :
en
- DE581330C - Process for the production of non-coloring thio derivatives of phenols :
de
en
- GB395783A - Level winding reel :
en
- GB395949A - Process for producing fast prints on cellulose ester fabrics :
en
- US1919296A - Mechanical pool ball racking device :
en
- USD90355S - Design for a shoe :
en
- USD90357S - bradbury :
en
- DE581518C - Process for the production of solutions of proteins and their breakdown products :
de
en
- FR749522A - Knitting Machine Improvements :
en
fr
- FR749416A - Hand saw :
en
fr
- GB396063A - Improvements in paper and methods of manufacturing the same :
en
- USD90373S - Charles miller :
en
- GB395863A - Improvements in or relating to knitting machines :
en
- GB396047A - Improvements in or relating to the manufacture of moulded inlaid linoleum :
en
- DE581331C - Process for the preparation of 1-phenyl-2-alkylaminopropan-1-ols hydroxylated in the phenyl nucleus :
de
en
- GB395816A - Device for the production of endless bands of gelatine, cellulose derivatives and the like :
en
- FR749754A - Aircraft tire improvements :
en
fr
- FR749819A - Method and apparatus for the manufacture of plastics :
en
fr
- US1919375A - Rubber bearing structure :
en
- US1919559A - Electric bread toaster :
en
- US1919910A - Pneumatic tire and rim construction :
en
- US1919734A - Conduit :
en
- US1919801A - Machine for making building blocks :
en
- DE581213C - Process for soaking barley :
de
en
- DE581389C - Device for mass mirroring of objects :
de
en
- FR749773A - Reversing ladle-ingot system, for the instant ingoting of metals, alloys and other molten products :
en
fr
- GB396080A - Improvement in hydraulic power transmission and metering device therefor :
en
- AT134346B - Rear wheel for sports bikes. :
de
en
- US1919954A - Printing machine :
en
- US1919986A - Electrical switch house :
en
- DE581302C - Process and device for the production of solid carbonic acid :
de
en
- FR749423A - Gas burner :
en
fr
- FR749582A - :
fr
- FR749661A - Single-conductor current transformer :
en
fr
- GB395802A - Improvements in and connected with the automatic control of combustion furnaces :
en
- DE581481C - Process for the production of hollow drill steel :
de
en
- US1919259A - Apparatus for drawing tubing containing a stripe of contrasting glass :
en
- US1919445A - Safety apparatus :
en
- US1919450A - Pompon and method of making the same :
en
- US1919877A - Process for manufacturing furfural :
en
- DE581243C - Accumulator locomotive, especially for mining operations :
de
en
- DE581245C - Method for the interference-free recording of received signals from wireless telegraphy :
de
en
- DE581522C - Automatic perforated disc insertion machine for galvanic elements :
de
en
- US1919658A - Manufacture of shoes :
en
- US1919275A - Photoprint drier :
en
- US1920026A - Rohm & haas company :
en
- FR749842A - Rangefinder giving distances without sight or comparison base and able to perform all topography operations :
en
fr
- DE581311C - Compensation for lead-calcium alloys :
de
en
- FR749663A - Improvements to saturation processes and apparatus :
en
fr
- GB395766A - Improvements relating to metal melting furnaces :
en
- GB395845A - Improvements in or relating to winding devices for the manufacture of boxes, for instance the outer casings of push boxes, capsules and tubes of veneer, paper and the like :
en
- DE581324C - Heating of the rolling stock during rolling out :
de
en
- US1919863A - Rosenbebg :
en
- US1919426A - Bedstead protector :
en
- US1919530A - Memorial marker :
en
- US1919834A - Rescue device for submarines :
en
- US1919346A - Vapor pressure bomb :
en
- US1919647A - Automatic safety plunger :
en
- US1920021A - End expander for structural toy rods :
en
- DE581454C - Arrangement for the excitation of commutator machines in the stand with slip frequency :
de
en
- DE581346C - Emergency lighting system :
de
en
- GB395990A - Improvements in the process of producing solid preparations of lactic acid :
en
- FR749590A - Light bollards to regulate traffic :
en
fr
- US1919240A - Method and apparatus for the distillation of tar :
en
- US1919777A - Humidifier :
en
- AT134271B - Safety fuse. :
de
en
- AT134366B - Reflector lamp with adjustable electric light bulb in the reflector neck. :
de
en
- DE581399C - Liquid shock absorbers :
de
en
- DE581477C - Starter device :
de
en
- FR749515A - Marqueite totalizer :
en
fr
- US1919904A - Fuel valve :
en
- US1919945A - Burner for blow torches and the like :
en
- CA334292A - Copper silicon zinc alloy :
en
fr
- CA334411A - Steel billet casting method and apparatus :
en
fr
- US1919952A - Binding post :
en
- US1919887A - Rouge applicator :
en
- US1920005A - Joseph dixon crucible company :
en
- US1919334A - Tube for mercury boilers :
en
- US1919417A - Max dohrn :
en
- US1919879A - Packing and display container :
en
- AT134226B - Outflow electrode for electrostatic precipitators made up of hanging chains and wire. :
de
en
- CA334248A - Slip-sheeter :
en
fr
- AT134362B - Device for feeding furnaces with pulverulent fuel. :
de
en
- US1919926A - Developing apparatus :
en
- FR749640A - Improvements made to the closing of all paper, canvas or other bags, in particular those used for heavy materials :
en
fr
- AT134293B - Process for protecting wool, fur, hair, feathers and the like Like. Against moth damage. :
de
en
- AT134336B - Device for hanging up automatic, rigid railway couplings. :
de
en
- AT134399B - Device for the photographic recording of vibrations. :
de
en
- FR749766A - Support console for universal assembly, particularly applicable to stackable wooden seats :
en
fr
- CA334351A - Ammonium sulphate production :
en
fr
- AT134369B - Equipment for restaurants, exhibitions, etc. like :
de
en
- CA334367A - Nut preparing and distributing process :
en
fr
- US1919816A - Process of forming electric resistance heating elements :
en
- US1919971A - Bookmark :
en
- AT134277B - Process for the production of porous or microporous goods from vulcanized rubber and similar materials. :
de
en
- AU1322833A - Improvements relating to the manufacture of ethyl alcohol :
en
- FR749777A - Method and apparatus for drying pipes :
en
fr
- GB396001A - Improvements in and relating to mercury and like fluid flow electric switches :
en
- US1919786A - Dabbing brush :
en
- US1919999A - Machine for forming and fastening :
en
- USD90389S - And nicholas meinhabdt :
en
- US1919630A - Clinical thermometer :
en
- US1919789A - Assiignok :
en
- DE551776C - Process for the production of rhodanides :
de
en
- DE581277C - Claw clutch, especially for change gears of motor vehicles, with claw teeth beveled on the strin surfaces :
de
en
- DE581355C - Process for cleaning the gas filling of light tubes filled with contaminated noble gas :
de
en
- CA334388A - Transmitter :
en
fr
- DE581357C - Water glass putty containing rubber milk :
de
en
- DE581242C - Transfer table :
de
en
- DE581517C - Card register with cabinet and slide-in drawer designed to hold cards :
de
en
- DE581354C - Frequency measuring device, in particular for determining the deviation of a frequency from a nominal value, in which two oscillating circuits act on a differential system :
de
en
- DE581514C - Suspenders :
de
en
- CA334320A - Refractory article manufacture :
en
fr
- US1919695A - Receptacle closure :
en
- USD90360S - Design for a beer dispensing bar :
en
- US1919795A - Subharmonic frequency producer :
en
- US1920046A - Curtain threader :
en
- CA334282A - Rail brace :
en
fr
- CA334361A - Printing press inking mechanism :
en
fr
- AT134303B - Method and apparatus for producing shaped metal blanks. :
de
en
- DE581543C - Schoepfwerk with vertically arranged pump :
de
en
- FR749591A - Manufacturing process for construction parts for air vehicles, in particular for airplanes :
en
fr
- FR749832A - Electrostatic machine with independent excitation :
en
fr
- GB395836A - Improvements in wrapping machine :
en
- DE581228C - Method and device for increasing the load-bearing capacity of Roentgen pipes :
de
en
- DE581439C - Process for the preparation of anthraquinone derivatives :
de
en
- US1919528A - Method and apparatus for mining double or parted seams :
en
- US1920066A - Air separator :
en
- US1919760A - Marine reverse gear :
en
- US1919943A - Process of making ammonium chloride :
en
- US1919392A - Metal door jamb :
en
- US1919788A - Assictpb :
en
- FR749526A - :
fr
- DE581585C - Jam pendulum at the rear of a traveling grate :
de
en
- DE581385C - Two-roller mill :
de
en
- FR749696A - Device for softening water or other liquids :
en
fr
- CA334279A - Storage battery :
en
fr
- GB395770A - Improvements in or relating to cinematographic projectors :
en
- FR749570A - Sulfur ores roasting process :
en
fr
- CA334284A - Basket fastener :
en
fr
- GB395796A - Improvements relating to display devices :
en
- US1919868A - Safety curtain for presses :
en
- FR749678A - Device for the transport of animals to be slaughtered and the suction of their blood during this transport :
en
fr
- DE581369C - Pendulum saw, the saw of which is guided in a straight line by a four-bar linkage and a guide :
de
en
- US1919875A - Propeller pitch regulator :
en
- US1919279A - Railway traffic controlling apparatus :
en
- US1919633A - Apparatus for commutating or periodically interrupting electric currents :
en
- US1919360A - Crane frame :
en
- US1919381A - Combination safety razor case and used blade container :
en
- US1920146A - Fluid operated motor :
en
- US1919211A - Alloy steel :
en
- US1919712A - Closure for collapsible tubes :
en
- US1920029A - Circuit controller :
en
- FR749496A - Method and device for the uninterrupted separation of non-condensable gases during the distillation of liquids :
en
fr
- GB395835A - An improved device for anchoring attachments to concrete and like surfaces :
en
- GB396034A - A process for the welding together of metal tubes or the like having thin walls :
en
- US1919459A - Work guide for sewing machines :
en
- GB395903A - Improvements relating to the moulding of granular material :
en
- US1919202A - Rolling mill :
en
- US1919391A - Top for fruit and vegetable boxes or crates :
en
- DE579586C - Method for the operation of stunning devices using nitrogen oxide :
de
en
- DE581495C - Process for processing fruit juices, in particular agrumen juices, for the purpose of obtaining citric acid or its salts :
de
en
- US1919659A - Method of lasting shoes :
en
- US1919915A - Hitch device :
en
- FR749789A - Method and apparatus for the manufacture of artificial filaments and the like :
en
fr
- AT134278B - Process for cleaning, deodorising, hydrogenating and reducing gaseous and liquid hydrocarbon compounds. :
de
en
- US1919478A - Prevention of iron and steel slugs entering slot machines :
en
- GB395821A - Method and apparatus for providing fuel mixture from heavy oils such as diesel, gas or fuel oil, for supply of an internal combustion engine :
en
- GB396429A - Improvements in colouring textile materials :
en
- DE581257C - Device for the wet treatment of thread laps :
de
en
- DE581419C - Damper device with damper plates on the turning poles :
de
en
- FR749474A - Detaching device for products from grain milling :
en
fr
- DE581238C - Process for the production of alcohols :
de
en
- DE581568C - Corrugated cardboard :
de
en
- GB395774A - A new or improved process for the preparation of soft rubber :
en
- DE581216C - Utilization of nitric acid from solutions containing these and volatile acids or their salts :
de
en
- DE581416C - Low electrical conductivity liquid for electrical equipment :
de
en
- FR749516A - Advanced connection clip for pressure lubrication :
en
fr
- GB395942A - Improvements in and relating to interdependent pulsating electric circuits :
en
- DE581409C - Drive for guiding devices of reversible water turbines, which are flowed through periodically in opposite directions :
de
en
- FR749490A - :
fr
- FR749685A - Process for manufacturing magnesia-based heat insulating products :
en
fr
- GB395793A - Improvements in nozzles for spray producers :
en
- FR749774A - Improvements to measuring devices :
en
fr
- GB396074A - Improvements in toasting forks :
en
- DE581365C - Container for powdery masses :
de
en
- FR749658A - Method and device for regulating the blackening of the sound impression and of the image to be projected in sound film recordings :
en
fr
- FR749726A - Plastic bezel :
en
fr
- US1919866A - Fruit jar opener :
en
- US1919987A - Vacuum circuit interrupting apparatus :
en
- FR749803A - Clutch control mechanism :
en
fr
- GB396027A - Improvements in the thermal compression of gaseous sulphur dioxide :
en
- DE581488C - Clothing protection net for ladies bicycles :
de
en
- FR749527A - Device for the operation of converter devices working as rectifiers or as DC-AC converters :
en
fr
- FR749755A - Aircraft fuselage improvements :
en
fr
- FR749758A - Life belt :
en
fr
- US1919492A - Wheel hub cap and lock therefor :
en
- US1919821A - Apparatus for heat treating articles :
en
- GB395907A - Improvements in and relating to welding apparatus :
en
- GB396015A - Improved method of fining glass and glass produced thereby :
en
- DE581020C - Internal combustion engine with a charge compressor, especially for aircraft :
de
en
- DE581052C - Doll press for producing carbon electrodes with protruding carbon stick :
de
en
- US1919817A - Automatic cut-out device for the starting motors of internal combustion engines :
en
- DE541213C - Piano with radio receiver :
de
en
- DE581361C - Pressing device for flat weft knitting machines :
de
en
- AT134285B - Methods of combating plant pests. :
de
en
- DE581498C - Transformer system for electric traction vehicles with control of the traction motors on the high voltage side :
de
en
- DE581508C - Vehicle wheel with replaceable rim :
de
en
- DK47583C - Device for Lawn Mowers. :
da
en
- SE77901C1 - :
en
- GB395787A - Improvements in and relating to insulated electric terminals :
en
- FR749775A - Device with automatic activation under the action of heat :
en
fr
- AT134294B - Process for the production of porous masses and objects. :
de
en
- AT134302B - Lectern. :
de
en
- DE581285C - Movement device for windows sliding in vertical guides, especially body windows :
de
en
- GB395881A - Improvements relating to clutch control mechanism for motor vehicles :
en
- DE581314C - Quick closing device for rotary valve :
de
en
- FR749479A - Multi-panel tilting and swiveling display shelving unit independently tilting :
en
fr
- FR749437A - Circuit tester :
en
fr
- GB395928A - Improvements in and connected with an automatic device for the mechanical, and electrical operation of burglar alarms :
en
- GB396010A - Improvements in or relating to the manufacture of plaited incandescent mantles :
en
- CA334370A - Flexible insulated pipe :
en
fr
- AU826832A - Process and apparatus for evaporation of water :
en
- CA334402A - Laminated panel :
en
fr
- US1919188A - Actuated figure :
en
- AT134270B - Process for the production of spinnable, aqueous solutions of silk fibroin. :
de
en
- DE581429C - Control device for road traffic signal systems :
de
en
- FR749791A - Method and apparatus for carrying out chemical reactions :
en
fr
- AT134365B - Bath heater with two separate hot water rooms. :
de
en
- FR749419A - Improvement in needle valves :
en
fr
- AT134339B - Joint seal for storage flaps. :
de
en
- DE581217C - Production of active fuller's earth :
de
en
- AT134248B - Method and device for increasing the temperature of the slag and the metal bath in high-frequency and other induction furnaces. :
de
en
- DE581272C - Yellow filter :
de
en
- DE581590C - Process for the extraction of light metals :
de
en
- US1919301A - Age resisting vulcanized rubber and antioxidant agent :
en
- US1919465A - Hydraulic brake :
en
- US1919281A - Regulating means :
en
- US1919991A - Electroresponsive time element device :
en
- AT134388B - Apparatus for optical repeat adjustment. :
de
en
- AT134351B - Device for monitoring crossing points on railway tracks, road crossings and the like. like :
de
en
- US1920086A - Propeller :
en
- USPP71P - Strawberry plant :
en
- CA334245A - Steering gear :
en
fr
- CA334327A - Belt conveyer carrier :
en
fr
- US1919912A - Container :
en
- US1920077A - Rotary brush :
en
- DE571181C - Slide rule :
de
en
- CA334323A - Refractory article :
en
fr
- DE580082C - Process and device for removing gases from cable ducts and cable wells :
de
en
- DE581379C - Collection container for rifles with coin slot :
de
en
- US1919293A - Corset :
en
- CA334385A - One revolution clutch :
en
fr
- US1919891A - Charging circuit for storage batteries :
en
- US1920006A - Prostatic catheter :
en
- US1919192A - Fluid heater :
en
- SE77887C1 - :
en
- US1919752A - Separation of mixtures by distillation :
en
- CA334261A - Coke-oven :
en
fr
- AT134379B - Photographic film useful for color image and sound recording and process for making the same. :
de
en
- FR749417A - Live animal racing device with electric control :
en
fr
- DK47581C - Termion tube amplifiers. :
da
en
- AT134325B - Suction probes for cleaning devices of threshing machines or the like. :
de
en
- CA334267A - Sash fastener :
en
fr
- US1919818A - Automatic control for hoisting machines :
en
- DE581293C - Device for adjusting and temporarily fastening the toe blocks on snowshoes using fastening knives :
de
en
- US1919197A - Air conditioning system :
en
- US1919770A - String bean cutter :
en
- US1919889A - Manufacture of imides of dicarboxylic acids :
en
- US1919493A - Odometer :
en
- US1919805A - Filtering means :
en
- US1920059A - Exhaust operated heater :
en
- US1919654A - Coupling :
en
- US1920122A - Heat interchanging apparatus and process :
en
- AT134329B - Double cuff button. :
de
en
- CA334275A - Tree sawing device :
en
fr
- AU830532A - Process forthe manufacture of readily soluble derivatives ofthe pyridine series :
en
- US1919710A - Metal shears :
en
- AT134279B - Process for the preparation of 1- [3'-oxyphenyl] -2-aminopropanol- (1). :
de
en
- US1919472A - Sheave construction :
en
- US1920011A - Lock for light bulbs :
en
- FR749624A - Tracking devices for t. s. f. :
en
fr
- CA334311A - Magnetic alloy :
en
fr
- DE581506C - Shatterproof glass :
de
en
- DE581558C - Process for producing a nitrogen-rich humus fertilizer :
de
en
- AT134284B - Process for the production of asphalt, tar u. Like dispersions. :
de
en
- AT134299B - Cigarette lighter and dispenser. :
de
en
- US1919420A - Cutting tool :
en
- US1919901A - Expansion shield :
en
- AU696732A - Improvements in and connected with ejecting devices for liquids andthe like :
en
- US1919247A - Rotary sprinkler :
en
- CA334345A - Radiator core :
en
fr
- US1919871A - Process of resolving emulsions :
en
- US1919326A - Accessory for automobiles :
en
- US1919453A - Automatic refusing unit :
en
- US1919411A - Wiper mechanism for windshields and the like :
en
- US1919339A - Tank for corn pickers :
en
- US1920085A - Machiete fob :
en
- US1920101A - Burial vault :
en
- FR749597A - Advanced centrifugal compressor :
en
fr
- AT134320B - Cigarette holder. :
de
en
- US1919958A - Platen for printing and addressing machines :
en
- CA334315A - Rail anchor :
en
fr
- DE581466C - Closing device for the individual dispensing of pills or the like. For cans or the like. :
de
en
- AT134206B - Arrangement for controlling the switching process in telephone systems. :
de
en
- CA334264A - Hydraulic pump-turbine :
en
fr
- US1919592A - Process for manufacturing ar-tetrahydronaphthylamine compounds :
en
- US1920002A - Attachment for vacuum celaners :
en
- US1920153A - Call box register circuit :
en
- US1919474A - Reverse brake :
en
- US1919962A - Conditioning of cellulose fiber for nitration :
en
- US1920039A - Testing machine :
en
- FR749535A - Improvements to doctor blades for textile and other machines :
en
fr
- FR749753A - Improvements to temperature indicators, especially for radiators :
en
fr
- FR749723A - Method for manufacturing textile yarns, with a view to obtaining particular creping effects :
en
fr
- FR749831A - Device for supplying cartridges for automatic weapons, in particular for military aviation :
en
fr
- GB395792A - Improvements in and relating to automatic wagon-tipplers :
en
- FR749618A - Improvements to mechanical toys :
en
fr
- FR749472A - Loud speaker :
en
fr
- GB396397A - Improvements in and relating to suspension clamps for electric conductors or cables :
en
- FR749793A - Further training in television amplifiers :
en
fr
- DE581267C - Jaw crusher with two jaws :
de
en
- FR749476A - Illuminated letters or signs :
en
fr
- GB396082A - Improvements in and relating to cable anchoring devices :
en
- US1919305A - Coupler :
en
- US1919688A - Branding device :
en
- FR749784A - Improvements to telephone systems :
en
fr
- US1919441A - Electric signal system :
en
- FR749747A - Arrangement and additional flow device for siphons and basins of water closets or others :
en
fr
- GB395919A - Method and apparatus for making the cutting edges of thin razor blades :
en
- GB395869A - Improvements in or relating to stationery cabinets :
en
- GB395875A - Improvements in or relating to display racks or stands :
en
- US1919694A - Machine for the manufacture of laminated fibrous pulleys :
en
- US1919849A - Orchestral instrument :
en
- US1919980A - Control of electric circuits :
en
- US1920136A - Ash tray :
en
- USD90393S - Bene tbicabd :
en
- FR749596A - Further training in motor vehicles :
en
fr
- DE581484C - Clothes racks for advertising purposes :
de
en
- AT134312B - Collapsible snowshoe. :
de
en
- CA334322A - Composite refractory article :
en
fr
- FR749655A - Double-piece woven velor machine :
en
fr
- DE581273C - Rotary piston machine with sickle-shaped working area :
de
en
- FR749537A - Mill comprising a rotating cylinder or grinding wheel against which is applied a fixed block or grinding wheel :
en
fr
- GB395757A - An improvement in chairs or seats :
en
- GB395980A - Improvements in high-tension dynamo-electric machines :
en
- DE581279C - Main swing arm for support roller sets in track belt vehicles :
de
en
- DE581318C - Device for manual and remote control of traffic signals :
de
en
- US1919287A - Apparatus for forming sheet metal forms :
en
- US1919936A - os wilmington :
en
- DE581344C - Arrangement for interrupting large electrical switching capacities :
de
en
- CA334407A - Sulphur recovery :
en
fr
- FR749507A - Reinforced cement floor :
en
fr
- FR749567A - Slat for openwork drawing device for rectilinear picking looms :
en
fr
- GB395840A - Improvements in or relating to wireless signalling :
en
- GB395879A - Improvements relating to pit props :
en
- GB395885A - Improvements in or relating to anti-glare and fog penetrating devices for vehicle headlights :
en
- FR749525A - Multipurpose tool :
en
fr
- US1919572A - Internal combustion engine :
en
- DE581475C - Floatless spray carburetor :
de
en
- GB396055A - Improvements in tooth paste :
en
- GB395769A - Improvements in laying boxes for fowls :
en
- DE581310C - Process for the production of aluminum and halogen :
de
en
- AT134400B - Indicator of resuscitation seemingly dead. :
de
en
- CA334353A - Ammonium sulphate production :
en
fr
- DK47573C - Etanker Converter for Conversion of Single- or Multi-Phase AC Energy to DC Energy with Random Characteristics. :
da
en
- FR749521A - Improvement in fungicide and insecticide preparations for plants :
en
fr
- GB395957A - Improvements in and relating to the concentration of liquors in multiple effect and apparatus therefor :
en
- DE581235C - Device for automatic feed of the drill bit :
de
en
- DE581496C - Plate cylinder in sheet-fed rotary rubber printing machines :
de
en
- GB396026A - Improvements in or relating to the manufacture of ebonite and articles composed thereof :
en
- FR749643A - Illuminated panel device particularly applicable as an automobile police sign or plate :
en
fr
- DK47578C - Combustion engine. :
da
en
- GB395846A - Improvements in or relating to multi-cylinder two cycle oil engines :
en
- DE581412C - Heating or cooling vessel :
de
en
- DE581368C - Cut-to-length saw with a fixed work table and a circular saw that can be moved over it :
de
en
- FR749545A - Liquid charge switch for multi-tap transformers :
en
fr
- DE581011C - Dishwasher :
de
en
- DE581241C - Tabs for the printing plates of address printing machines :
de
en
- DE518232C - Process for improving fuels and propellants :
de
en
- DE581333C - Exchangeable sheet scraper for pneumatic sheet feeding devices :
de
en
- GB395811A - Improvements in or relating to horological instruments :
en
- US1919358A - Circular saw and method of making the same :
en
- US1919685A - Door construction :
en
- AT134348B - Railway safety system. :
de
en
- FR749410A - Tipping device for dumpers :
en
fr
- US1919442A - Fluid pressure brake :
en
- US1919191A - Bomb sight and pilot director :
en
- US1919457A - Connecting device for electrical conductors :
en
- US1919596A - Electron emitter for electron discharge devices :
en
- US1919809A - Barrel handling and treating mechanism :
en
- DE581547C - Sausage filling, compartment and turning device :
de
en
- US1919282A - Hair waving apparatus :
en
- US1919892A - Means for control of the charge of a storage rattery :
en
- DE581546C - Protective insert for pneumatic vehicle tires :
de
en
- FR749823A - water elevator usable in particular in fish farming :
en
fr
- US1919342A - Production of sulphur :
en
- US1919373A - Stapling machine :
en
- US1919750A - Doorlock :
en
- FR749642A - Process for treating vulcanized rubber with ultraviolet rays :
en
fr
- GB396023A - Improvements in filling bodies for washing towers and the like :
en
- US1919255A - Automatic timing device :
en
- US1919649A - Stretching machine :
en
- US1919723A - Manufacture of products :
en
- AT134225B - Electrodynamic loudspeaker. :
de
en
- AT134375B - Cleaning straps for shoes. :
de
en
- GB395972A - Improvements in blade wheel pumps :
en
- US1919822A - Piling implement :
en
- FR749533A - Steel Foam Cleaning Pad :
en
fr
- DE581493C - Process for the manufacture of pull cord packages :
de
en
- FR749510A - Rescue device for airplanes :
en
fr
- FR749632A - Lamp for non-blinding lighting :
en
fr
- GB395901A - Improvements in devices for ensuring protection from the danger of fire from back-firing in aircraft, road vehicles or the like fitted with internal combustion engines :
en
- GB395851A - Improvements in and relating to electric discharge devices :
en
- GB395959A - Improvement in high-tension electric batteries :
en
- GB396036A - Improvements in a process and apparatus for stamping or impressing thin sheets or plates :
en
- CA334321A - Cast refractory article :
en
fr
- AU885832A - Improvements relating to electric current transforming and rectifying devices andthe utilisation thereof :
en
- DE581532C - Device for lining the inner surface of chimneys and other hollow bodies :
de
en
- FR749429A - Internal motor tool, including hand-held electric grinding machine :
en
fr
- GB396002A - Improvements in or relating to bee feeders :
en
- AT134342B - Shock absorber mounts for vehicles, in particular for motor vehicles. :
de
en
- DE581566C - Device for switching off the switching device for the arithmetic unit on typewriters :
de
en
- US1919418A - Window :
en
- US1919325A - Lift body for motor vehicles :
en
- US1919512A - Spur gear speed adapter :
en
- US1919781A - Method and apparatus for conditioning air :
en
- US1920103A - Well tool :
en
- FR749421A - Improvements in mathematical instruments :
en
fr
- US1919542A - Brake :
en
- US1919656A - Combined hood top and radiator shell for automobiles and the like :
en
- US1919830A - Display-sheet-supporting structure :
en
- US1919758A - Remote control apparatus :
en
- FR749741A - Process for making unbreakable doll heads or other similar articles :
en
fr
- US1919504A - Ammeter :
en
- DE581580C - Switching device to be placed freely floating on the bell shaft of an alarm clock :
de
en
- DE581526C - Process for the production of a wood oil stand oil for paints :
de
en
- FR749600A - Self-closing tap for wine barrels :
en
fr
- FR749768A - Radiator cover fixing system :
en
fr
- FR749845A - Advanced metal molding :
en
fr
- US1919466A - Electric distribution system :
en
- US1919792A - Vat dye printing :
en
- GB395969A - Improvements in or relating to stuffing boxes :
en
- GB395906A - Improvements in or relating to presses for extruding metal tubes :
en
- GB396430A - Improvements in dyeing textile materials :
en
- FR749408A - Improvements to electric cables :
en
fr
- US1919268A - Blotter holder :
en
- FR749589A - Utensil for cleaning fabrics :
en
fr
- DE581340C - Core microphone :
de
en
- DE581364C - Roller hanger for curtains, curtains or the like. :
de
en
- GB395837A - Improvements in and relating to spectacles and eyeglasses and the like :
en
- FR749584A - Galoshes mounting system and resulting industrial product :
en
fr
- US1919517A - Process for providing a transparent coating on glass surfaces :
en
- US1919765A - Fruit holder :
en
- DE581359C - Grate firing operated with under wind for baking ovens and similar ovens :
de
en
- GB395799A - Improvements in or relating to the construction of electron discharge tube used for the recording of sound :
en
- GB395994A - A device for emitting fluids under pressure :
en
- GB396072A - Improvements in or relating to lubricators :
en
- DE581371C - Device for graphical representation of any size :
de
en
- DE581255C - Process for tanning or partial tanning of bare animals :
de
en
- FR749816A - Machine for classifying bulbs and other relatively light objects according to their weight :
en
fr
- AU741132A - An improved process for the impregnation of fabric with cellulose regenerated from viscose :
en
- US1919515A - Excavating machine :
en
- US1919775A - Manufacture of aqueous dispersions :
en
- CA334307A - Street lighting relay :
en
fr
- AT134203B - Device for the production of shaped stones from lightweight concrete u. like :
de
en
- CA334389A - Signalling system :
en
fr
- US1919785A - Holder for cosmetics :
en
- US1919990A - Electric switch :
en
- US1920102A - Roller bearing and method of making the same :
en
- US1920150A - Direct-current voltage transformation apparatus :
en
- AT134343B - Brakes, in particular for motor vehicles. :
de
en
- DE581531C - Cupboard, shelf or the like :
de
en
- FR749480A - Compensating master cylinder :
en
fr
- US1919582A - Dispensing device :
en
- AT134246B - Process for saccharifying cellulosic materials. :
de
en
- US1919365A - Fire-fighting equipment :
en
- US1919692A - Process of making frozen confections :
en
- US1920016A - Milk dispenser :
en
- US1920079A - Driving mechanism :
en
- US1919574A - Closure means for tins :
en
- US1919739A - Striker plate :
en
- AT134213B - Electrical contact pin. :
de
en
- US1920117A - Pulverized fuel burner :
en
- US1919840A - Knee kicker :
en
- CA334337A - Electric motor :
en
fr
- US1919618A - Process of making ethyl alcohol :
en
- US1919806A - Magnetic material :
en
- FR749673A - :
fr
- FR749434A - Process for the preparation of nickel carbonyl :
en
fr
- US1919882A - Brake construction :
en
- FR749684A - Light signaling device intended for calling personnel, in particular in cafes, restaurants, hotels, etc. :
en
fr
- FR749790A - Method and apparatus for extruding products from artificial materials :
en
fr
- US1919477A - Braking attachment for sanding machines :
en
- US1919942A - Folder for sewing machines :
en
- FR749445A - Road train :
en
fr
- US1919796A - Mechanical vibrating element :
en
- DE579752C - Gas burners, especially for blast furnace heaters :
de
en
- DE581363C - Storage container for amalgams that can be inserted in the housing of mixing devices :
de
en
- DK47579C - Device for transparent liquid-filled objects, such as advertising figures, sign letters, signaling devices and the like. :
da
en
- CA334249A - Body lighting device :
en
fr
- US1919209A - Switching mechanism for automotive vehicles :
en
- US1920061A - Bathing belt :
en
- DE581391C - Photographic film case :
de
en
- AT134359B - Elevator control. :
de
en
- US1919446A - Control apparatus :
en
- US1920164A - Roller bit :
en
- DE568331C - Children's shooting or bang toy with a capsule-shaped part to accommodate the bang insert :
de
en
- DE580819C - Procedure for determining the best distance between sound devices in a group for the maximum volume :
de
en
- US1919828A - Liquid measuring system :
en
- USD90384S - Textile fabric or similar article :
en
- US1920074A - Container :
en
- US1919704A - Distillation of tar at a coal distillation plant and apparatus therefor :
en
- US1919833A - Azo-dyestuffs and process of making same :
en
- US1919988A - Rectifier :
en
- US1919497A - Engine :
en
- US1919867A - Device and method for tightening wire :
en
- AT134360B - Fruit press. :
de
en
- US1919220A - Apparatus for mixing concrete :
en
- DE581320C - Device for severing a section from a traveling strip in wrapping machines :
de
en
- DE581528C - Process for the production of percutaneously effective solutions of hormones of a protein-like character which are stable for some time :
de
en
- DE581562C - Electrical capacitor, consisting of individual, alternately arranged, conductive and non-conductive layers, the latter made of cellulose derivatives :
de
en
- DE581233C - Magnetic separator :
de
en
- FR749428A - Tile or metal slab :
en
fr
- GB395815A - Improvements in or relating to loose-leaf ledgers or the like :
en
- GB395773A - Improvements relating to dairy machinery for pasteurization :
en
- DE580672C - Corner stitching machine :
de
en
- FR749470A - Artillery Wheel Improvements :
en
fr
- FR749471A - Plastic sticks for teaching writing, numbering and imitation drawing in schools :
en
fr
- US1919727A - Production of lacquers, artificial masses and solutions of their constituents :
en
- US1919797A - Tie rod end :
en
- DE581291C - Device for tensioning ski tips :
de
en
- DE581341C - Loudspeaker arrangement for rooms with strong reverberation :
de
en
- DE581427C - Electric sewing machine drive with the armature of the electric motor placed on the handwheel shaft :
de
en
- DE581482C - Fabric printer for sewing machines :
de
en
- GB395868A - Improvements in and relating to apparatus for playing games :
en
- GB395944A - Improvements relating to vacuum carpet or like sweepers :
en
- FR749585A - Rescue apparatus for castaways :
en
fr
- FR749826A - Locking system for roberval scales :
en
fr
- AT134361B - Screw-on cap for bottles, containers, etc. like :
de
en
- FR749619A - Sliced sausage cutting machine :
en
fr
- GB395896A - Improvements relating to the contacts of electrical make and break apparatus :
en
- US1919444A - Fluid pressure brake :
en
- US1919888A - Multiple signaling system :
en
- US1919469A - Waffle extractor :
en
- US1919729A - Seed and plant disinfectant :
en
- US1920109A - Apparatus for producing packing strips :
en
- US1919638A - Knife for thread-cutting temples :
en
- US1919499A - Dual and single rim wheel :
en
- DE530173C - Pistons, especially for internal combustion engines :
de
en
- DE564151C - Process for the production of a stocking in one operation on a flat weft knitting machine :
de
en
- US1919308A - Purification of alkali metal hydroxide liquors :
en
- US1919768A - Silent chain :
en
- CA334334A - Autographic register :
en
fr
- USD90379S - Glass jab :
en
- US1919295A - Weft replenishing mechanism :
en
- US1919394A - Pipe table :
en
- US1919756A - Process of tanning :
en
- USD90362S - Design por a cooking utensil or like article :
en
- US1919271A - Lumber rack :
en
- US1919480A - Translating device :
en
- DE581264C - Equal pressure internal combustion engine with reciprocating pistons running in opposite directions :
de
en
- GB395923A - Improvements in or relating to mattresses, pillows, cushions and the like :
en
- AT134398B - Process for the manufacture of bespoke footwear. :
de
en
- AU4111864A - Apparatus for manually digging out sods of turf :
en
- CA334237A - Electrolytic sheet metal manufacture :
en
fr
- DE581446C - Process for the production of asbestos insulation on wires :
de
en
- US1919193A - Pedestal for tables and the like :
en
- US1919876A - Motor gear :
en
- US1920108A - Nut castellating machine :
en
- US1919711A - Can punch :
en
- US1920051A - Poultry house :
en
- US1919252A - Air compressor :
en
- US1919415A - Machine for affixing stamps, labels, and the like :
en
- US1919661A - Collar support :
en
- FR749798A - Brake shoe improvements :
en
fr
- GB395804A - Improvements relating to luminous gas discharge tubes :
en
- US1919428A - Bottle crate :
en
- AT134201B - Cups. :
de
en
- AT134333B - Facility for question and answer games. :
de
en
- DE581296C - Tray filling device :
de
en
- CA334347A - Metal laminating process :
en
fr
- AT134378B - Transportable machine for the optional playback of picture, sound or picture sound recordings. :
de
en
- DE581263C - Mobile beet cleaner with a rotating rust-like drum :
de
en
- US1920033A - Controller for electric circuits :
en
- DE581232C - Device for the production of endless ribbons from gelatine, cellulose derivatives and similar substances :
de
en
- DE581559C - Circuit arrangement for the transmission of impulses over connecting lines in telephone systems with dialer operation :
de
en
- GB395922A - Improvements in combined insulators and holders for suspended electric lamps :
en
- AT134263B - Process for the production of welding electrodes. :
de
en
- DE581252C - Electric light tubes for direct current operation with a glowing main electrode and an auxiliary electrode surrounding it :
de
en
- CA334348A - Sink leg :
en
fr
- DE581426C - Method of protecting copper containers exposed to fire against corrosion :
de
en
- US1919189A - Closure for radiators, gasoline tanks, and the like :
en
- US1919717A - Rock drill :
en
- CA334380A - Petroleum distillate extraction :
en
fr
- AT134390B - Binder. :
de
en
- CA334386A - Building material :
en
fr
- CA334278A - Door knob spindle grip :
en
fr
- DE581555C - Trash cleaning machine :
de
en
- DE581593C - Tilting aerometer :
de
en
- AU1016332A - Improvements in directional air delivery ducts or directional outlet nozzles :
en
- US1919799A - Telephone pay station receptacle :
en
- US1919832A - Process of manufacture of alkali metal carbonates :
en
- US1919965A - Apparatus for washing cans and the like :
en
- FR749833A - Dyeing machine :
en
fr
- GB396069A - Improvements in and relating to bearings :
en
- CA334341A - Window frame :
en
fr
- US1919333A - Hand bag :
en
- US1919728A - Wing nut :
en
- US1919989A - Motor control system :
en
- US1919562A - Hat storage box :
en
- US1919199A - Conveyer for cylindrical objects :
en
- US1919924A - Wheel :
en
- DE581356C - Vacuum discharge vessel for generating very hard X-rays or very fast moving electrons :
de
en
- DE581299C - Overburden spreader :
de
en
- FR749706A - Machine for the dry treatment of vines and other plants :
en
fr
- US1919643A - Ultra-violet ray transmitting material :
en
- FR749547A - Multiple combination plow for tractor front axle :
en
fr
- FR749581A - Apparatus used for checking the minimum hearing in alternating current measuring devices, more particularly for the inaudible or barely audible frequency band :
en
fr
- GB395862A - Method of producing highly emissive thermionic cathodes according to the metallic vapour process :
en
- US1919514A - Signal control for demand meters :
en
- US1919749A - Pivotally supported wind wing :
en
- US1919345A - Switch :
en
- US1919941A - Fastener setting device :
en
- CA334394A - Alternating current motor :
en
fr
- AT134295B - Device for regulating the gas flow in gas pipelines. :
de
en
- CA334283A - Television reception arrangement :
en
fr
- CA334399A - Telephone exchange system :
en
fr
- US1919306A - Vacuum condensation system :
en
- US1919655A - Purification of oil :
en
- DE581350C - Method of making wireless electrical resistors :
de
en
- DE581444C - Rotatable grinding piece for pantograph bracket :
de
en
- US1919803A - Measuring and indicating system :
en
- DE581219C - Cooling device for cooling milk u. Like. To a temperature that is a few degrees Celsius above zero :
de
en
- FR749577A - Bottle capping device and machine for its installation :
en
fr
- GB395798A - Improvements in or relating to ganged electric condenser structures :
en
- CA334318A - Synchronizing system :
en
fr
- US1919294A - Accordion illuminating means :
en
- US1919779A - Toilet flushing apparatus :
en
- US1919387A - Cab :
en
- US1920042A - Hydraulic drive :
en
- US1920075A - Cartridge for guns and ordnances :
en
- US1920083A - Shoe bottom treating device :
en
- US1919679A - Adjustable flue connection :
en
- CA334257A - Machine tool :
en
fr
- FR749700A - Combination electric device for welding and battery charging :
en
fr
- FR749715A - Electrical insulation for metal wires, specially indicated for heating applications, and consisting of insulation beads threaded onto the conductor :
en
fr
- GB395856A - Improvements in or relating to means for starting internal combustion engines :
en
- USD90383S - Eugene schwabz :
en
- US1919233A - Valve :
en
- US1919377A - Grass trimmer :
en
- GB395890A - Improvements in the manufacture of bearings for rotary shafts :
en
- US1919554A - Tripod head or the like :
en
- US1919565A - Means for cleaning sewage filter beds :
en
- US1919231A - Unbalanced ratio relay scheme :
en
- FR749407A - Spinning or twisting winder :
en
fr
- AT134238B - Process for the production of fan-shaped locking washers. :
de
en
- US1919476A - Engine :
en
- US1919569A - Paper container :
en
- US1919518A - Machine for winding paper belts :
en
- CA334297A - Ornamental surface covering :
en
fr
- CA334398A - Cable forming apparatus :
en
fr
- US1920118A - Apparatus for making flowed films and sheets :
en
- US1919696A - Drain valve :
en
- US1919884A - Brooder :
en
- AT134372B - Feedback circuit diagram for rectifier systems. :
de
en
- US1919319A - Pipe coupler :
en
- DE581214C - Process for the annealing of pipe-length weld seams by annealing and quenching :
de
en
- DE581560C - Wall pot for electrical installation equipment :
de
en
- US1919467A - Amusement apparatus :
en
- US1919625A - Automatic fire protection damper :
en
- US1920081A - Laminated rigid structural material :
en
- AT134255B - Process for the production of highly corrosion-resistant alloys of aluminum with up to about 50% magnesium. :
de
en
- US1919429A - Copy holder :
en
- US1919972A - Agitating and feeding mechanism for stokers :
en
- US1919454A - Adhesive :
en
- US1919617A - Process for sulphating olefines :
en
- US1919747A - Apparatus for festooning cloth :
en
- US1919994A - Coil winding machine :
en
- US1920034A - Controller for electric circuits :
en
- US1919589A - Azo dyestuff insoluble in water :
en
- US1919439A - Display stand :
en
- DE581471C - Device for illuminating microscopic objects in incident light :
de
en
- FR749609A - Improvements to aluminum and magnesium alloys :
en
fr
- GB395865A - Improvements in or relating to the manufacture of phosphorus :
en
- GB395915A - Improvements in pantographic devices :
en
- US1919621A - Lock-nut device :
en
- US1920031A - Electric switch :
en
- DE580940C - Differential regulator, especially for electrically driven machines :
de
en
- FR749629A - Cut-off mechanism for machines for making cigarettes from a continuous roll :
en
fr
- GB396079A - Process for the manufacture of vinyl substituted aromatic compounds :
en
- DE581443C - Electric storage locomotive :
de
en
- DE581563C - Mobile heating system operated with liquid fuel :
de
en
- GB396075A - Improvements relating to dynamos for motor vehicles :
en
- US1920009A - of wilmington :
en
- DE581374C - Measuring device for monitoring the gas or liquid content :
de
en
- US1919827A - Method of embossing leather as applied to backs of loose leaf binders :
en
- US1920030A - Circuit controller :
en
- US1920035A - Cutter bit and chuck :
en
- FR749759A - Device for the purification of drinking water :
en
fr
- US1919194A - Method of making a printing surface :
en
- US1919508A - Automatic fire apparatus :
en
- AT134316B - Machine with rotating knives for cutting tobacco leaves. :
de
en
- DE581280C - Connection of the front wheels with the longitudinal center support forming the frame, especially for motor vehicles :
de
en
- US1919522A - Electric motor :
en
- US1920000A - Spring shackle :
en
- AT134323B - Ski. :
de
en
- US1919640A - Albert clay myers :
en
- USD90354S - Design for a combined endpiece and temple for :
en
- DE581573C - Method of hurling asbestos-cement pipes :
de
en
- GB395861A - Free-wheel drives for motor vehicles :
en
- US1919521A - Marine boiler :
en
- US1920047A - Dispensing nozzle :
en
- AT134216B - Method and device for facilitating the starting of mercury vapor rectifiers. :
de
en
- AT134232B - Motorized hammer. :
de
en
- US1919652A - Check issuing machine :
en
- US1919578A - Apparatus for the manufacture of receptacle closures :
en
- US1919844A - Method of drilling wells :
en
- AT134349B - Control lever for transferring dependencies in the signal box. :
de
en
- AT134347B - Device for changing the effective crank length in the case of one-sided loaded crank mechanisms, in particular of bicycles. :
de
en
- AT134338B - Self-regulating brake. :
de
en
- US1919733A - Cowl ventilator :
en
- US1919709A - Cap for the breather pipes of internal combustion engines :
en
- US1919707A - Production of sulphate of ammonia :
en
- US1919636A - System of mining oil shales :
en
- FR749739A - Improvement in the manufacture of fishnets or hairnets with elastics :
en
fr
- US1919470A - Carburetor :
en
- US1919737A - Safety razor :
en
- US1919798A - Apparatus for coloring and decorating paper :
en
- US1919900A - Auger guide :
en
- US1919546A - Method and apparatus for testing internal diameter of tubes :
en
- US1919738A - Lathe :
en
- US1919700A - Water closet :
en
- US1919409A - Signal control apparatus :
en
- US1919744A - Cover for automobile rumble seats :
en
- US1919993A - Oscillation generator :
en
- DE581336C - Compressed air braking device :
de
en
- US1919767A - Bracket :
en
- US1919567A - Filter bed cleaning device for sewage clarification tanks :
en
- US1919996A - Acceleration responsive device for controlling electric motor-driven vehicles :
en
- AT134335B - Suspension for motor vehicles. :
de
en
- US1919856A - Valve and cock :
en
- AT134265B - Method and device for the production of doughs suitable for bread making from grain and other cereals. :
de
en
- US1919807A - Trustee :
en
- AT134286B - Process for the production of sponges. :
de
en
- CA334329A - Brake shoe mould :
en
fr
- US1919238A - Sheet feeder :
en
- US1919639A - Tile machinery :
en
- US1920088A - Shoe fastening :
en
- US1919859A - Dispensing cap :
en
- CA334346A - Food handling apparatus :
en
fr
- CA334300A - Inclined shackle :
en
fr
- CA334364A - Sawing machine :
en
fr
- CA334308A - Relay :
en
fr
- AT134350B - Connection between the foldable handle and piston rod on bicycle air pumps. :
de
en
- AT134291B - Device for the continuous production of edible fat panels u. like :
de
en
- AT134314B - Scythe. :
de
en
- AT134380B - Process for the assessment of model dresses and for the production of the associated dress cuts. :
de
en
- DE581075C - Process for carrying out exothermic catalytic reactions :
de
en
- DE581410C - Method and device for loading spinners, in particular spin dryers :
de
en
- DE581507C - Process for making alloys containing copper and tin hot-pressable :
de
en
- GB395786A - Improvements in safety razors :
en
- CA334302A - Tubular support :
en
fr
- CA334357A - Yarn manufacture :
en
fr
- FR749559A - Space heating system by heating panels formed by the walls of the premises :
en
fr
- GB396035A - Improvements in or relating to friction clutches particularly for motor vehicles :
en
- US1919324A - Control of furnace temperature and furnace wall construction :
en
- US1919447A - Semitrailer and auxiliary support :
en
- US1919703A - Apparatus for watering or spraying gardens and the like :
en
- US1919264A - Low expansion black glass and method of producing it :
en
- US1919905A - Tuning coil :
en
- US1920063A - Process for weighting natural silk :
en
- DE581269C - Fabric printer arrangement for sewing machines :
de
en
- US1919864A - Door operating means :
en
- DE581378C - Multi-pole synchronous motor, especially for driving speaking machines :
de
en
- DE581479C - Gate valves with parallel sealing plates, which are permanently pressed onto their seats by a spring arranged eccentrically to the plate center and which are under additional pressure in the closed position :
de
en
- FR749587A - Plant dryer :
en
fr
- US1919631A - Liquid flow controlling device :
en
- AU289050B2 - Apparatus for manually digging out sods of turf :
en
- AT134328B - Frozen vending machine. :
de
en
- US1919395A - Synchronous motor :
en
- US1919590A - Blue to violet-blue water-insoluble azo-dyestuffs :
en
- US1919726A - Rubber composition and method of preserving rubber :
en
- AU711732A - Preventing corrosion of metallic surfaces :
en
- DE581203C - Press for gluing soles to footwear with a press pad :
de
en
- DE581282C - Control valve for hydraulic braking devices for motor vehicles :
de
en
- US1919933A - Gaseous electric discharge device :
en
- AT134247B - Items made of steel alloys that require high fatigue strength, e.g. B. Containers, pipes, boiler components, etc. :
de
en
- AT134311B - Method and device for protecting plant crops against and for controlling pests. :
de
en
- FR749504A - Device for fixing springs on the bottom of the carcass of seats, cushions or other :
en
fr
- FR749558A - Focusing device for optical devices :
en
fr
- FR749556A - Sanitary napkin with spongy velvet part incorporated into the canvas :
en
fr
- FR749426A - Window moving device :
en
fr
- AT134324B - Pocket lighter with housing parts that can be slid into one another. :
de
en
- FR749495A - Process for the recovery of sulfur from the masses used for gas purification :
en
fr
- GB395806A - Improvements relating to calculating apparatus for solving vector triangles :
en
- FR749444A - Briquette press :
en
fr
- GB396378A - Apparatus for training air pilots on the ground, and providing the sensation of controlled flight for instructional and/or amusement purposes :
en
- AT134381B - Method and device for creating moving luminous images. :
de
en
- US1919217A - Loading machine :
en
- US1919413A - Automatic valve :
en
- US1919713A - Draft gauge :
en
- US1920003A - Timing mechanism :
en
- US1919212A - Closure for concrete mixers :
en
- US1919227A - Power plant :
en
- US1919861A - Apparatus for analyzing the gaseous content in liquids :
en
- GB395978A - Milling and like machine tools :
en
- GB396417A - Counting or registering device for paper money or similar objects in sheet form :
en
- FR749560A - Automatic device to protect against slipping and skidding of automobiles and other vehicles :
en
fr
- AT134289B - Device for the production of threads from natural or artificial dispersions of rubber or the like. :
de
en
- DE581455C - Loop converter with separate insulating tubes :
de
en
- FR749628A - Grid frame, filter press and more specifically must filter, special construction and assembly mode :
en
fr
- US1919498A - Device for use in mixing printer's ink :
en
- US1919762A - Orthodontic appliance :
en
- FR749413A - Process for the vulcanization of rubber :
en
fr
- GB396044A - A machine for making cream like compositions from butter or substitute by addition of milk :
en
- FR749807A - Fixed blower with water circulation for cleaning tube bundles in combustion chambers :
en
fr
- FR749814A - Safety device for lane changes and signals :
en
fr
- GB395987A - Improvements in or relating to heel treads for boots and shoes :
en
- GB396009A - Improved apparatus for use in the withering of tea :
en
- GB396070A - Process and apparatus for the manufacture of multi-coloured candles :
en
- FR749598A - Escapement mechanism for watch movements, in particular for photographic shutters :
en
fr
- FR749498A - Device for transmitting reciprocating movements of translation or rotation, as well as simultaneous translation and rotation at any angle in different planes :
en
fr
- CA334410A - Non-reusable coupling :
en
fr
- US1919606A - Liquid cooling installation :
en
- FR749439A - Electric arc welding machines :
en
fr
- FR749778A - Improvements to spring motors, for talking machines or similar applications :
en
fr
- GB396000A - Improvements in and relating to surgical needles :
en
- CA334241A - Acid phosphate :
en
fr
- FR749571A - Underground electric cable for high and low intensity currents :
en
fr
- US1919355A - Rotary internal combustion engine :
en
- US1919800A - Process of cutting blocks of stone :
en
- FR749611A - Process for casting blast furnace slag :
en
fr
- DE569166C - Furnace grate :
de
en
- US1920092A - Cold air boot :
en
- USD90371S - Charles miller :
en
- GB395834A - Improvements in and relating to the manufacture of chocolate :
en
- DE581464C - laundry detergent :
de
en
- FR749457A - Combination mower broom :
en
fr
- US1919594A - Process for recovering volatile liquids from solvents and the apparatus therefor :
en
- DE581290C - Drive device for the coating bar of flat combing machines :
de
en
- FR749509A - Electric transmission, intended to connect a punching machine for accounting records to an accounting machine or similar :
en
fr
- GB395921A - Improvements in and relating to machines for making cigar bunches from scrap tobacco :
en
- GB395966A - Lamp for electrical illumination :
en
- GB396062A - Improvements relating to apparatus for sheathing cores :
en
- FR749563A - Electrical coupling system :
en
fr
- GB396395A - Processes for the production and employment of organic persulpho compounds :
en
- IE12629L - Pasteurisation :
en
- GB396058A - Process for eliminating arsenic and antimony from iron ores and manganese ores :
en
- US1919292A - Elastic garment :
en
- US1919317A - Telephone system :
en
- US1919462A - Multicolor printing press :
en
- DK47582C - Arrangement for ships with main boilers placed on a deck or platform which is higher than the tank top or the bottom of the ship and with bunkers located below the boiler room. :
da
en
- US1920104A - Fluid transmission system :
en
- DE581301C - Centrifugal machine driven by an electric motor and suspended in a pendulum manner :
de
en
- US1919243A - Rotary sprinkler :
en
- FR749415A - Improvements to aluminum-based alloys :
en
fr
- GB395893A - Improved process for the simultaneous production, from methane, of hydrogen, lamp black and light, liquid hydrocarbons :
en
- FR749797A - :
fr
- FR749809A - Improvements to melting machines and type lines :
en
fr
- DE581574C - Process for the production of centrifugally cast hollow bodies from asbestos cement :
de
en
- IE12583L - Floors :
en
- DE581516C - Book, the pages of which are held together by rubber sticks :
de
en
- GB396071A - Improvements in and relating to resinous compositions and methods of making the same :
en
- US1919368A - Tire patch :
en
- US1919691A - Method and apparatus for cracking oil :
en
- AT134224B - Circuit arrangement for company management stations. :
de
en
- FR749662A - Improvements to shock absorbers, steering stabilizers and similar devices for mechanically propelled road vehicles :
en
fr
- DE581384C - Float valve with a special shut-off valve in the supply line :
de
en
- FR749835A - Absorbent filter for pipes and similar smokers' articles :
en
fr
- GB395843A - Improvements in and relating to electric high tension switches :
en
- DE581502C - Process for the production of commutator bars from two materials :
de
en
- DE484276C - Tensioning and cutting device on thread pulling machines :
de
en
- US1919914A - Protective system for electric circuits :
en
- DE581259C - Process for the production of tempered precious metal alloys :
de
en
- DE581483C - Advertising and notice column :
de
en
- GB395761A - Improvements in or relating to the manufacture of hydrocyanic acid gas, particularlyfor use as a fumigant or the like :
en
- GB396012A - Improvements relating to revolving cowls for chimneys :
en
- GB395741A - Improvements in the electrolytic manufacture of piperidine :
en
- CA334287A - Liquid filter :
en
fr
- FR749844A - Engine :
en
fr
- DE581486C - Protective cover for the rear seats of vehicles, especially motor vehicles :
de
en
- US1920015A - Synchronizing system :
en
- DE581329C - Process for the preparation of crotonylaminoarylarsic acids :
de
en
- US1919668A - Coupler operating mechanism :
en
- US1919810A - Railway traffic controlling apparatus :
en
- US1919557A - Shielded motor assembly :
en
- US1919510A - Apparatus for lowering pipes in wells :
en
- DE581447C - Rotary switch with conical switch drum :
de
en
- DE581540C - Process for the production or machining of rolling pistons provided with several, approximately radial projections, performing circular (paracyclic) movements :
de
en
- GB395777A - Improvements relating to radio receiving apparatus :
en
- FR749692A - Device for fixing enamel signs on supports :
en
fr
- FR749756A - Spray bundle :
en
fr
- GB395943A - Collapsible bottle box of cardboard :
en
- US1919320A - Apparatus for treating hydrocarbons :
en
- FR749592A - Auxiliary jackets for foundations :
en
fr
- US1919930A - Control mechanism for motor vehicles :
en
- USD90363S - Design :
en
- DE528691C - Process for heat or cold generation or for water production or drying with the help of atmospheric air :
de
en
- CA10058S - Core or bobbin for cinematograph film stock :
en
- DE580964C - Circuit arrangement for automatic and semi-automatic telephone systems with bypass dialers :
de
en
- FR749500A - New combination of mechanical transmission units for winches of handling or earth moving equipment :
en
fr
- GB395920A - Improvements in the construction of light slits for machines for recording sound photographically, or reproducing sound from photographic records :
en
- DE581501C - Interlock circuit for several three-phase motors to be started one after the other :
de
en
- US1919622A - Ingot mold :
en
- US1919690A - Method of and means for permanently waving hair :
en
- USRE18902E - method of producing hydrogen sulphide r :
en
- US1919455A - Handle construction :
en
- US1920018A - Apparatus for the manufacture of wire pull bottle caps :
en
- DE581461C - Glow amplifier tubes :
de
en
- DE581503C - Device for comparing several AC quantities with one another, in particular for synchronizing two line systems :
de
en
- DE581309C - Process for wet treatment, especially dyeing, of rayon spools on spindles :
de
en
- US1920084A - Changeable exhibitor :
en
- US1919341A - Storage battery :
en
- US1919922A - Game projecting apparatus :
en
- CA334295A - Alloy manufacture :
en
fr
- US1919842A - Process for the treatment of gaseous mixtures containing hydrogen :
en
- US1919614A - Fine adjustment for potentiometers :
en
- DE581253C - Connection between the graphite electrode and the metal parts for the power supply and cooling of the same in vacuum metal vapor arc apparatus :
de
en
- FR749518A - Device for the elimination of interference in the reception of radio transmissions :
en
fr
- GB395855A - Improved manufacture of pottery ware :
en
- GB395973A - Improvements in pasteurizing apparatus :
en
- GB396381A - Improvements in the manufacture of bricks or blocks :
en
- DE581523C - Inverter system which converts high-voltage direct current into alternating current by means of grid-controlled vapor or gas discharge vessels, especially in self-excitation circuits :
de
en
- DE581567C - Process for the production of a nutrient from cocoa, sugar and water :
de
en
- AT134210B - Image scanning device for television, image telegraphy or the like. :
de
en
- FR749746A - Improvements in telemetry methods and apparatus :
en
fr
- FR749402A - Manufacturing process of aralkyl ethers :
en
fr
- FR749401A - Manufacturing process of mixed cellulose ethers :
en
fr
- FR749460A - Device for closing and opening hermetically sealed boxes :
en
fr
- GB395772A - Improvements in two-stroke cycle internal combustion engines :
en
- GB395850A - Improvements relating to plansifter sieves :
en
- GB395860A - Improved rotary means for boring earth :
en
- DE581564C - Process for the continuous volatilization of metals in a rotary kiln :
de
en
- DE581492C - Nitscherstreet :
de
en
- FR749572A - Roller refinements for drawing sheet glass :
en
fr
- GB395945A - A machine for use in cutting low lying plants such as field grown peas :
en
- GB396419A - A device for the accommodation of measured quantities of cotton wool :
en
- DE581300C - Bearing lubrication for centrifugal machines :
de
en
- DE581234C - Self-tie :
de
en
- FR749788A - Process for manufacturing products or articles containing cellulose derivatives or other lacquer bases :
en
fr
- GB395844A - Improved manufacture of phosphorus :
en
- GB395899A - Improvements in polyhydric alcohol-polybasic acid resins :
en
- US1919819A - Package and method of sealing the same :
en
- US1919304A - Recovery of calcium hypochlorite :
en
- US1919858A - Method of determining and recording oxygen content of liquid or gases :
en
- DE581511C - Signaling device for the automatic regulation of the traffic at danger points :
de
en
- GB396017A - Improvements in flywheel magnetos :
en
- US1919627A - Exercising apparatus :
en
- FR749841A - Road map for motorists :
en
fr
- DE581274C - Elevation control without fixed fin for aircraft :
de
en
- DE581382C - Air-cooled cylinder head for internal combustion engines, lined with a hood :
de
en
- FR749654A - Choke cover :
en
fr
- US1919581A - Coin freed mechanism :
en
- US1919702A - Flush door :
en
- DE562116C - Shock absorbers, especially for motor vehicles :
de
en
- DK47563C - Machine for Making Wreath Rings. :
da
en
- DE581221C - Freezer plate for artificial ice rinks :
de
en
- FR749595A - Cattle feed :
en
fr
- DK47570C - Sealing strip for Windows and Doors. :
da
en
- US1919364A - Method of and means for scoring motion pictures :
en
- US1919932A - Gaseous electric discharge device :
en
- US1919903A - Hand truck :
en
- US1920132A - Spring connection :
en
- DE581345C - Thermostat switch, which is housed in a gas-tight sealed container filled with a light gas, for example hydrogen :
de
en
- DE581467C - Device for cleaning ampoules :
de
en
- US1919610A - Pocket umbrella :
en
- USD90369S - Design for a shoe or similar article :
en
- US1919200A - Headlight testing device :
en
- US1919725A - Copper base alloy :
en
- GB395782A - Improvements in fire alarms :
en
- GB395909A - Improvements in and relating to washing machines :
en
- DE581457C - Device for automatic heat regulation of electrically heated devices :
de
en
- DE581525C - Process for the amplification of the smallest voltages by means of electrode tubes with a photoelectric cathode excited by monochrome light :
de
en
- CA334344A - Shoe manufacture :
en
fr
- CA334362A - Printing press feeding mechanism :
en
fr
- CA334325A - Structural frame :
en
fr
- US1919432A - Housing of electrical switches or distribution boxes :
en
- US1919843A - Paper machine wire and method of making same :
en
- US1919921A - Continuous indicating viscosity gauge :
en
- DE581284C - Chassis for bicycles and motorcycles :
de
en
- FR749578A - Auxiliary clutch device for motor cars :
en
fr
- FR749782A - Low-loader trailer for transporting market equipment and similar applications :
en
fr
- GB395825A - Improvements in conduit fittings :
en
- US1919481A - Photographic screen :
en
- CA334303A - Door lock :
en
fr
- CA334234A - Loom mechanism :
en
fr
- US1919486A - Compact :
en
- US1919263A - Rectifier :
en
- US1920123A - Radial pump :
en
- AT134230B - Hollow body for high pressures and method of manufacturing the same. :
de
en
- US1919229A - Rotary drier :
en
- US1919299A - Stocking supporter :
en
- AT134272B - Process for changing the solubility of fibrous cellulose acetates. :
de
en
- US1920140A - Process for hydrogenation of hydrocarbon oils :
en
- US1919628A - Dilution detector for antifreeze solutions :
en
- CA334373A - Electric precipitation apparatus :
en
fr
- AT134217B - Multiple brush selector with mechanical brush selection. :
de
en
- US1919745A - Flexible reamer for cable terminals and the like :
en
- US1920134A - Gear oiling system for multiple cylinder internal combustion engines :
en
- CA334405A - Coated fabric :
en
fr
- US1919235A - Sprinkler head :
en
- US1919973A - Valve mechanism :
en
- CA10052S - Roofing or siding :
en
- US1919869A - Corrugating apparatus :
en
- US1919966A - Locking slider :
en
- DE581480C - Clamping device for machine tools :
de
en
- GB395998A - An improved washer and a method of and a machine for manufacturing same :
en
- GB396376A - Improvements in or relating to centrifugal clutches and like mechanism :
en
- CA334250A - Mop :
en
fr
- US1919302A - Mine conveyer :
en
- US1919637A - Tube manufacture :
en
- US1919794A - Safety razor :
en
- AT134356B - Connection tool for metal tape strips. :
de
en
- US1919535A - Dental roll dispenser :
en
- US1919699A - Refining of copper :
en
- DE581458C - Device for regulating the energy supply for electric arc furnaces :
de
en
- AT134310B - Pocket lighter. :
de
en
- CA334366A - Knitting machine :
en
fr
- CA334376A - Oil distillation :
en
fr
- AT134233B - Odor trap with a dip tube opening into a divided housing closed at the bottom. :
de
en
- AT134353B - Circuit arrangement for railway double signals. :
de
en
- DK47567C - Procedure for Making Potash. :
da
en
- FR749489A - Stopping device for die rods for line composing and melting machines :
en
fr
- US1919458A - Filler for egg cartons and the like :
en
- US1919687A - Knockdown display rack :
en
- CA334391A - Rotary engine :
en
fr
- AT134340B - Chassis for large electrically powered vehicles with electric motors mounted transversely to the direction of travel. :
de
en
- AU814732A - An improved handle or grip for water bags :
en
- US1919580A - Hermann wagnee :
en
- US1920095A - Citrus fruit treating machine :
en
- AT134288B - Process for the production of gasoline, benzene and other hydrocarbons from tars, tar oils and the like. like :
de
en
- USD90387S - Design fob an emblem holder for radiator caps :
en
- AT134266B - Process for the production of an easily wettable, neutral peat fertilizer. :
de
en
- AT134281B - Process for the preparation of thio derivatives of phenols. :
de
en
- CA334254A - Collapsible tube :
en
fr
- DE581305C - Sheet feeder for address printing machines :
de
en
- FR749817A - Delivery mechanism for nut tapping machine :
en
fr
- US1919898A - Portable kitchen :
en
- US1919907A - Package opener :
en
- AT134264B - Melting tank for impregnation compound or the like. :
de
en
- CA334277A - Mop holder :
en
fr
- CA334400A - Telephone exchange system :
en
fr
- US1919427A - Box or crate :
en
- US1919234A - Mixing valve :
en
- US1920028A - Bracket construction :
en
- DE581411C - Production of monosodium phosphate :
de
en
- FR749681A - Improvements to elastic wheels for vehicles running on rails :
en
fr
- GB395794A - Improvements in and relating to electric discharge devices :
en
- FR749687A - Dielectric hook for insulating support for luminescent tubes or other devices :
en
fr
- CA334247A - Brakeshoe relining device :
en
fr
- AT134358B - Machine for creating a firm connection between overlapping ends of metal strips. :
de
en
- DE581251C - Starting circuit of AC commutator motors that can be regulated by brush shifting :
de
en
- AT134354B - Automatic trailer coupling for motor vehicles. :
de
en
- AT134275B - Process for the production of resitols. :
de
en
- US1919824A - Separable floral rack :
en
- US1919286A - Internal combustion engine :
en
- US1920050A - Evaporator :
en
- US1920162A - Radio aerial attachment :
en
- US1920105A - Foot and cutting attachment for hemstitching machines :
en
- US1919363A - Apparatus for embossing plastic articles :
en
- US1919616A - Portable apparatus for producing fire-extinguishing foam :
en
- US1919937A - Means for securing a metallic bridge to nonmetallic lens rims :
en
- FR749446A - Dispersions and treatment of organic materials with these dispersions :
en
fr
- US1919648A - Power blade control for road graders :
en
- US1919808A - Power supply system :
en
- AT134373B - Mirror systems for lighting purposes, in particular for photographic enlarging apparatus. :
de
en
- CA334381A - Alkylated phenol production :
en
fr
- US1919406A - Combined cock and switch device :
en
- DE581527C - Process for obtaining fibers from raw flax or other textile plants :
de
en
- DE581187C - Shift lock for the driven pulley of a pair of pulleys on sewing machines :
de
en
- US1919944A - Stapie setting machine :
en
- DE581451C - Device to avoid brush noises in commutator machines with alternating directions of rotation, especially in rail motors :
de
en
- US1919298A - Disinfectant :
en
- US1919336A - Ophthalmic bridge mounting :
en
- US1919780A - Coupling :
en
- US1920135A - Switch controlling mechanism :
en
- US1919719A - Transmission system for sound carrying currents :
en
- AT134317B - Method and device for cutting pasta. :
de
en
- CA334296A - Railway car truck :
en
fr
- FR749530A - Device for regulating, under load, the voltage of single-phase or polyphase transformers in combination with at least one auxiliary transformer :
en
fr
- GB395989A - Light metal alloy, its use and process for its manufacture :
en
- CA334359A - Glass tubing and cane manufacture :
en
fr
- FR749455A - :
fr
- GB396431A - Improvements in the colouration of textile materials :
en
- AU924532A - Improved method of and apparatus for mixing asphaltic andother paving compounds :
en
- IE12824L - Worm screw press :
en
- GB395955A - Improvements in socks for boots and shoes :
en
- FR749511A - Arrangement of seats in performance halls :
en
fr
- FR749651A - Method and apparatus for washing and laundering linens and fabrics :
en
fr
- GB395789A - Improvements in or relating to the priming or coating of timber with creosote, paint, fireproofing or other liquids :
en
- GB396061A - Improvements relating to stuffing-box substitutes :
en
- GB396418A - A device for the accommodation of measured quantities of cotton wool for ear and nose treatment :
en
- FR749576A - Preventive protection of underground shelters against bombardment gas :
en
fr
- US1919823A - Portable crane :
en
- FR749424A - Device for remote control and signaling of moving parts :
en
fr
- FR749683A - Electrical line short-circuit warning and control device :
en
fr
- GB395812A - Improvements in the manufacture of combs :
en
- FR749639A - Variable pressure hydraulic blower :
en
fr
- US1919558A - Electric heater :
en
- US1920112A - Spring heel seat :
en
- US1919619A - Spreading apparatus :
en
- AT134215B - Connection between the graphite electrode and the metal parts for supplying current to the same in vacuum metal vapor arc apparatus. :
de
en
- FR749406A - Anti-slip device for motor vehicles :
en
fr
- GB395938A - Improvements in or relating to the driving of continuous wire mills :
en
- DE581462C - Time switch :
de
en
- FR749712A - Process for the production of welded pipes, in particular welded pipes of high-value metal alloys :
en
fr
- DE581549C - Stenter frame :
de
en
- US1919495A - Conveyer :
en
- US1919513A - Focusing means for photographic cameras and projectors :
en
- FR749829A - Regulating device for all heating and electric lighting devices :
en
fr
- GB396059A - Improvements in or relating to refrigeration with solid carbon dioxide :
en
- US1919653A - Hydraulic sand extractor :
en
- US1919893A - Drum mounting for boilers :
en
- FR749664A - Method of mulching chairs or similar objects :
en
fr
- US1919551A - Mechanic's square :
en
- CA334280A - Pack saddle :
en
fr
- CA334301A - Power tool :
en
fr
- DE581403C - Track link made from several parts :
de
en
- US1919894A - Gas regulator :
en
- DE581276C - Device on strollers for climbing stairs :
de
en
- FR749440A - Awning arm :
en
fr
- GB396379A - Improvements in or relating to seals for rotatable elements, shafts or the like :
en
- FR749697A - Locking and releasing device applicable to cash registers, calculating machines, etc., and other applications :
en
fr
- USPP72P - Pink rose :
en
- US1919254A - Die for producing spirally corrugated tubing :
en
- US1919452A - Rubber composition and method of preserving rubber :
en
- US1919681A - Liquid heater :
en
- US1919886A - Process for adding hydrogen halide to acetylene :
en
- FR749608A - Improvements to objects in aluminum or aluminum-based alloys :
en
fr
- FR749660A - Removable roller trolleys, running on rails, particularly applicable to curtains and drapes :
en
fr
- GB395852A - Improvements in starting devices for synchronous alternating electric current motors :
en
- FR749622A - Improvements in hard alloys and their manufacturing processes :
en
fr
- FR749750A - Method of locating sounds with a view to synchronizing the sound with the image of cinematographic films, directly or during dubbing, and other applications :
en
fr
- US1919408A - Choke plug :
en
- US1920094A - Method and apparatus for generating and using high pressure :
en
- AT134389B - Staple strips. :
de
en
- DE581450C - Protection circuit for synchronous machines :
de
en
- DK47584C - Air cooling device for automobile engines. :
da
en
- GB395904A - Improvements in perpetual calendars :
en
- US1919909A - Sharpening unit :
en
- CA334256A - Sandal :
en
fr
- SE77852C1 - :
sv
- FR749724A - case for eyeshadow sticks, shaving soap and other similar products :
en
fr
- FR749420A - Pumice stone hand brush :
en
fr
- USRE18901E - Water-tube steam boileb :
en
- US1919646A - Dry kiln :
en
- FR749488A - Improvements to calibers :
en
fr
- FR749717A - Metal wheelbarrow :
en
fr
- DE567486C - Additional gas heating for horizontal hot water pressure boiler :
de
en
- US1919262A - Spectacle case :
en
- US1919968A - Foot pedal :
en
- AT134280B - Process and device for degassing lignite in vertical, externally heated retorts or chambers. :
de
en
- FR749694A - Central heating radiator and its manufacturing process :
en
fr
- GB395853A - A process for the production of impregnating baths and printing colours containing arylides of 2.3 oxynaphthoic acid :
en
- DE581425C - Process for the production of self-lubricating bearings :
de
en
- US1919204A - Heater :
en
- GB395781A - Improvements in current collecting devices for electric railways :
en
- US1919460A - Work guide for sewing machines :
en
- US1919908A - Urological table :
en
- US1919419A - Door :
en
- US1919534A - Molding apparatus :
en
- US1919560A - Waffle iron assembly :
en
- US1919851A - Manufacture of formic acid from formates :
en
- FR749568A - Manufacturing process for new cellulosic derivatives and resulting products :
en
fr
- FR749605A - Improvements to gillbox and intersecting bars :
en
fr
- GB395871A - Improvements in high output ultra-filters :
en
- DE581406C - Dice game in which dice are made to jump by operating levers under a glass bell :
de
en
- FR749710A - Double-acting internal combustion engine :
en
fr
- FR749772A - New process for making field coils for large synchronous machines :
en
fr
- GB395779A - Improvements in and relating to mercury vapour rectifiers :
en
- AT134337B - Carburetor fire extinguisher. :
de
en
- DE581319C - Double needle bar line :
de
en
- US1919983A - Method for producing low loss nonaging silicon steel sheets :
en
- FR749728A - Mechanical layout and construction process, applicable to all profiled volumes, used in all cases relating to fluid dynamics :
en
fr
- GB395894A - Improvements in and relating to the production of artificial resins from polyhydric alcohols and polybasic acids :
en
- GB395754A - Improvements in or relating to loading or conveying systems for use in mines or the like :
en
- FR749847A - Improvements to gear change devices :
en
fr
- DE581519C - Low-water alarm for low-pressure boilers heated with gaseous or liquid fuels :
de
en
- FR749451A - Improvements to aluminum-magnesium alloys and process for their production :
en
fr
- FR749786A - Molded funeral emblem model and method of making inscriptions also molded :
en
fr
- US1920127A - Stored pressure medium container :
en
- DE557516C - Process for the production of oxygen-active acetone :
de
en
- GB396046A - Improvements in or relating to electrical signal transmission systems :
en
- DE581338C - Device for power recovery in electrically operated vehicles :
de
en
- DE581400C - Anti-skid protection for motor vehicles :
de
en
- GB395962A - Improvements in refrigerators cooled by brine-circulation systems :
en
- CA334352A - Ammonium sulphate production :
en
fr
- AT134300B - Voter facility. :
de
en
- AT134318B - Peeling machine. :
de
en
- US1919925A - Wheel :
en
- AT134326B - Cigarette or cigar holder. :
de
en
- FR749667A - Improvements to electrodes for electric welding :
en
fr
- US1919440A - Combination harvester-thresher :
en
- US1919448A - Filter :
en
- US1919660A - Shoe lasting apparatus :
en
- US1920093A - Method of producing alpha glassified surface :
en
- US1919598A - Method and arrangement for diminishing noise in vacuum tubes :
en
- US1919338A - Doorcheck :
en
- US1919831A - Stabilizing device for aircraft :
en
- AT134204B - Device for the protection of transformers, in particular for network connection devices or devices connected to them. :
de
en
- AT134234B - Chair. :
de
en
- AU1012932A - Ferrous metal and process for producing same :
en
- CA334374A - Spark plug :
en
fr
- US1919547A - Pneumatic swab plunger :
en
- US1919845A - Well drilling apparatus :
en
- AT134330B - Cutting tools for meat grinders. :
de
en
- AU828232A - Gearless agricultural chipper :
en
- US1919787A - Carton forming machine :
en
- US1919414A - Fruit packer :
en
- US1919451A - Lubricating device :
en
- CA334349A - Sink bracket :
en
fr
- AT134301B - Electric rectifier arrangement. :
de
en
- US1920073A - Grinding machine and the like :
en
- AT134227B - Chair made of continuously bent tubular steel or the like. :
de
en
- AT134322B - Device for climbing on ropes. :
de
en
- US1919300A - Molding :
en
- US1919793A - Engine :
en
- US1919748A - Saw :
en
- US1919975A - Electrical heater for thermal relays :
en
- AT134241B - Toothpick dispenser. :
de
en
- AT134244B - Process for the production of alumina from clay and other alumina-containing substances. :
de
en
- CA334281A - Ore processing :
en
fr
- GB396019A - Watch case :
en
- US1920099A - Combined shade and guide map :
en
- AT134267B - Process for the production of quick-drying varnishes. :
de
en
- DE581536C - Microscope for examinations in incident and transmitted light :
de
en
- FR749806A - Furnace for the carbonization or coking of fuels with rotating platform supporting them :
en
fr
- AT134209B - Device for switching off multi-phase lines. :
de
en
- CA334365A - Lock :
en
fr
- DE581437C - Process for the preparation of oxynaphthotriazoles :
de
en
- US1919732A - r-nh-hg-x :
en
- US1919285A - Combustion chamber :
en
- US1919571A - Massage device :
en
- US1919829A - Two-cycle internal combustion engine :
en
- US1920008A - of wilmington :
en
- US1919359A - Window construction :
en
- US1919742A - Soluble bismuthyl mannonate and the process of making it :
en
- FR749501A - Extendable shelves with adjustable shelves :
en
fr
- FR749749A - Improvements in relief photography :
en
fr
- FR749549A - Advanced projector :
en
fr
- FR749554A - Improvement in tube expansion devices :
en
fr
- FR749702A - Staple tape for all kinds of stitching and stitching devices :
en
fr
- GB395752A - Improvements in or relating to the control of the frequency of magnetron oscillators :
en
- GB395839A - Improvements in and connected with amusement vehicles :
en
- GB396028A - Improvements in and relating to golf clubs :
en
- DE581347C - Device for a time limit on the triggering of electrical processes :
de
en
- DE581381C - Injection carburetor :
de
en
- FR749411A - Improvements to fuel vaporizers for internal combustion engines and others :
en
fr
- DE526436C - Venting device, especially for pig stalls :
de
en
- US1919855A - Carbon supply device for duplicating machines :
en
- US1920148A - Fusible electrode for electric welding :
en
- FR749764A - Improvements to ice-keeping devices :
en
fr
- DE568900C - Method and device for irradiating viscous or viscous extracts of animal or vegetable origin by means of ultraviolet radiation :
de
en
- DE581569C - Device for tilting the car body, in particular of trucks :
de
en
- FR749464A - Mechanical rocket :
en
fr
- GB395760A - Improvements in or relating to the roasting of plumbiferous sulphide ores :
en
- GB396013A - Improvements in rotary pumps of the fixed abutment type :
en
- DE581515C - Stop link for the slide of zippers with cover strips :
de
en
- FR749771A - Salt shaker :
en
fr
- FR749447A - Device for fixing paper on drawing boards :
en
fr
- DE568994C - Arrangement for determining or compensating for the difference in position of two spatially separated shafts :
de
en
- DE581459C - Electromagnet with pole shoe attachments, which absorb lines of force perpendicular to the direction of movement :
de
en
- DE581524C - Changeable electrical capacitor, the rotor shaft of which can be removed from the stator frame without dismantling the same and is provided with a lateral bearing flange :
de
en
- FR749466A - Improvements in the assembly of rotary blades of lawn mowers or other similar machines :
en
fr
- FR749588A - Improvements to pressurized fluid or vacuum brake devices :
en
fr
- US1919525A - Motor control system :
en
- DE581497C - Double heart :
de
en
- FI15334A - Tvättmaskin och foderångkokare :
en
fi
- DE581422C - Electricity meter or the like with insulating housing and metal suspension eyelets :
de
en
- FR749580A - Jet device for dispensing liquids or powders :
en
fr
- CA334304A - Door lock :
en
fr
- GB396018A - Glass spiralling machine :
en
- US1919721A - Preparation of bromates :
en
- US1920078A - Motor vehicle brake :
en
- US1919812A - Clamping device :
en
- US1919935A - Fluid filled high tension terminal :
en
- AT134283B - Insecticides. :
de
en
- FR749438A - Improvements to direct current transformation systems :
en
fr
- FR749454A - Improvements in airport construction :
en
fr
- FR749843A - Process for the preparation of non-detonating gasoline :
en
fr
- FR749730A - Vehicle registration and signaling light plate :
en
fr
- DE581222C - Arrangement for the storage and centering of rollers, especially sliding platforms and turntables :
de
en
- DE581332C - Automatic sheet feeder :
de
en
- FR749606A - Profiled iron beam :
en
fr
- GB395870A - Tool retainers for power hammers, hammer drills or like tools :
en
- FR749531A - Automatic locking device for sliding parts :
en
fr
- FR749524A - Further training in the establishment of stockings, knee-socks, socks and the like :
en
fr
- GB395831A - Improvements in or relating to the construction of sectional buildings :
en
- GB396048A - Improvements in or relating to photographic film packs :
en
- FR749638A - Wax brush :
en
fr
- US1920114A - Device for reducing piston slap in internal combustion engines :
en
- US1920110A - Rubber stamp and method of making the same :
en
- DE581561C - Vacuum switch :
de
en
- GB395912A - Improvements in or relating to drying devices for separated coarse material in ball or tube mills :
en
- FR749467A - Prepaid telephone set for local and long distance calls :
en
fr
- US1920001A - Safety device :
en
- US1919253A - Method for destructively distilling carbonaceous fuels :
en
- AT134245B - Process for producing high-quality cast iron that is low in gas and low in oxide :
de
en
- AT134211B - Method for coupling networks of different frequencies. :
de
en
- US1919223A - Machine gun mount and locking device therefor :
en
- US1919526A - Untwisted direct process yarn with even shrinkage :
en
- DE581224C - Transmission system for low frequency and carrier frequency telephony in pupinized cables :
de
en
- US1919251A - Frequency division system :
en
- US1919841A - Wire mattress :
en
- US1919374A - Method and apparatus for forming articles of plastic material :
en
- US1919852A - Ornamental stitch sewing machine :
en
- DE581281C - Control valve of a vacuum auxiliary power brake for motor vehicles :
de
en
- FR749652A - Improvements to articulators used in dentistry :
en
fr
- GB395824A - Improvements in machinery for opening or cleaning and simultaneously disinfecting waste paper, esparto grass, rags, flocks and like materials :
en
- DE581227C - Anode for high vacuum discharge vessels, especially for X-ray tubes :
de
en
- DK47572C - Oil burner. :
da
en
- US1919731A - Spectacles :
en
- US1919754A - Emergency brake control mechanism :
en
- US1920004A - Caster :
en
- DK47576C - Scanning device for television systems and the like. :
da
en
- AT134298B - Pyrophoric pocket lighter. :
de
en
- DE581592C - Cable scales for hoists :
de
en
- DE581434C - Oven for carrying out gas reactions at high temperature :
de
en
- US1919755A - Internal combustion engine :
en
- CA334265A - Lawn edge mower :
en
fr
- US1919456A - Roll stand for printing presses :
en
- US1919693A - Hot box control :
en
- US1919736A - Draft rigging :
en
- US1920023A - Machine for making friction elements :
en
- DE581473C - Ellipsoid-like lighting mirror for cinema projection :
de
en
- AT134269B - Process for the production of pure carbonic acid. :
de
en
- US1919670A - Vehicle spring suspension :
en
- US1919576A - Heating system :
en
- US1919599A - Method for removing entrained liquid from gases and vapors :
en
- US1919666A - Caster and the like :
en
- US1920129A - Fiber storage and preservation :
en
- US1919674A - Pneumatic puffing machine :
en
- US1919327A - Thermostatic switch :
en
- US1920131A - Pouring spour for salt and like containers :
en
- US1919277A - Internal combustion engine :
en
- US1919902A - Intercell connecter :
en
- US1919880A - Packing and display container :
en
- AT134229B - Process for rolling out strips, sheets, etc. Like. To the smallest thicknesses in continuously arranged roll stands with furnaces in between. :
de
en
- AT134239B - Sofa convertible into a double bed. :
de
en
- FR749698A - Device for starting motor vehicles :
en
fr
- DE581407C - Device for sticking a band on the lower broad side and the adjoining narrow sides of boxes :
de
en
- US1919424A - Fluid pressure brake :
en
- FR749523A - Device for the manufacture of handles for knives or the like, and industrial products resulting therefrom :
en
fr
- GB395982A - Improvements relating to the control of eddy current track brakes :
en
- FR749849A - Newspaper holder :
en
fr
- US1919485A - Screening apparatus :
en
- FR749475A - Reinforced cardboard box for fruits and early vegetables :
en
fr
- US1920071A - Life preserver :
en
- AT134385B - Protective cases for photographic cameras. :
de
en
- US1920017A - Overload release mechanism :
en
- USD90356S - Design fob a shoe sole :
en
- US1920096A - Circuit controlling mechanism :
en
- DE581335C - Device for securing the reverse run of internal combustion engines with a liquid reservoir in the exhaust :
de
en
- US1919766A - Method of protecting rubber surfaces :
en
- US1919600A - Hair waving device :
en
- CA334312A - Circuit breaker control system :
en
fr
- US1920041A - Electrical network :
en
- US1919997A - Safety device for hoisting engines :
en
- USD90394S - William franklin williamson :
en
- CA334288A - Shock absorber :
en
fr
- GB395762A - Improvements in stapling mechanism for use in printing machines :
en
- US1919187A - Brake hook-up :
en
- US1919544A - Internal combustion engine :
en
- GB395776A - Improvements in fasteners for bonnets of automobiles and for analogous purposes :
en
- US1920139A - Rubber vulcanization mold :
en
- US1919950A - Dental water heater :
en
- US1920160A - Coating composition containing a siccative :
en
- AT134220B - Baffle for loudspeakers. :
de
en
- US1919190A - Condenser :
en
- US1919920A - Sound record :
en
- US1919490A - Source of light and method of operating the same :
en
- US1919568A - Partition and wall :
en
- US1919938A - Means for securing a metallic bridge to metallic lens rims :
en
- US1919603A - Baby carriage hood :
en
- DE581401C - Swivel holder for ashtray :
de
en
- FR749610A - Pavement with invisible expansion joints :
en
fr
- GB395991A - Generators for producing a mixture of water-gas and coal-gas :
en
- AT134383B - Zipper. :
de
en
- CA334355A - Cemented pile fabric :
en
fr
- US1919496A - Fuel pump :
en
- US1919384A - Tire-building apparatus :
en
- US1919501A - Container :
en
- US1920032A - Circuit controller :
en
- DE581449C - Resistance arrangement below OEl :
de
en
- US1919716A - Metal partition :
en
- US1920007A - Frame for refrigerator doors :
en
- CA334305A - Protective relay :
en
fr
- US1919585A - Method of securing synchronism in sound films :
en
- US1919916A - Insect trap :
en
- US1920019A - Sack or bag holder :
en
- AT134257B - Process for the preparation of a non-flammable or hardly flammable nitrocellulose solution. :
de
en
- CA334235A - Smoke draft regulator :
en
fr
- US1919475A - Rear vision mirror :
en
- US1920145A - Wiper arm and mounting therefor :
en
- US1920161A - Lubricant :
en
- AT134242B - Process for the preparation of water-soluble complex antimony salts of polyoxymonocarboxylic acids. :
de
en
- DE581351C - Dependent delay device for relay or release :
de
en
- US1919369A - Method of preparing fat-soluble-vitamin-concentrates :
en
- FR749679A - Device for opening (unwinding) folded, folded and rolled up fabric edges :
en
fr
- DE576985C - Device for holding and pulling back the derailed pantograph of electric rail vehicles :
de
en
- US1919214A - Electricity meter :
en
- FR749503A - Extendable chuck :
en
fr
- US1919245A - Sprinkler :
en
- US1919443A - Door control equipment :
en
- GB395961A - Electric trap for animals :
en
- GB396045A - Improvements in typographical line-casting machines :
en
- US1919665A - Bottle filling machine and method :
en
- GB396007A - Process for the production of white opaque enamels :
en
- FR749502A - curvilinear element for thermal expansion or contractions in recording, reading, etc. devices. temperatures :
en
fr
- US1919545A - Brake shoe grinder :
en
- US1919566A - Sewage clarification tank and cleaning machine therefor :
en
- DE581440C - Device for printing razor blades :
de
en
- FR749550A - Force-limiting device and its applications, in particular to valves and similar devices :
en
fr
- FR749620A - Letter scale letter opener :
en
fr
- FR749633A - Device for fixing the blades of mechanical razors to their sharpening devices :
en
fr
- GB395822A - Improvements in or relating to closures for bottles, jars, and the like :
en
- GB395967A - Improvements in and relating to electric welding :
en
- GB395977A - Improvements in method of and means for protecting inscriptions :
en
- FR749436A - Improvements made to transparent siliceous materials :
en
fr
- FR749458A - Series motor for low power :
en
fr
- GB395759A - Improvements in or relating to the manufacture of blasting explosives and the like :
en
- DE581442C - Process for the preparation of a fertilizer containing ammonium magnesium phosphate :
de
en
- FR749478A - Alcohol manufacturing process :
en
fr
- US1919802A - Apparatus for testing insulation :
en
- US1919947A - Method of recovering metals and metallic oxides :
en
- US1919297A - Vitamin preparations containing lipoid soluble vitamins :
en
- US1919404A - Brake valve device :
en
- FR749649A - Method applicable in the construction of electric capacitors :
en
fr
- GB396076A - Improvements relating to electric starting systems for motor vehicle engines :
en
- FR749695A - Process to prevent the deposit of mist on the sights of breathing apparatus :
en
fr
- FR749520A - Improvements to trolleys such as, in particular, those intended for the transport of sick and wounded :
en
fr
- FR749763A - Improvements to automotive brake testing devices :
en
fr
- FR749837A - Improvements in fruit pitting machines :
en
fr
- GB395963A - Improvements in and relating to locks and latches :
en
- DE581394C - Process for the production of diazotypes :
de
en
- US1920053A - Process of making copper hydroxide :
en
- DE581286C - Multi-part sliding shutter to close door, window openings or the like. :
de
en
- GB395958A - Improvement in rib fabric, method of and mechanism for knitting the same :
en
- US1919612A - Yeast product and method of making the same :
en
- US1919835A - Reading device for a book :
en
- US1919241A - Distillation of tar :
en
- DE581423C - Oxide cathode for discharge vessels :
de
en
- GB396073A - System of optical telephony :
en
- US1920014A - Multiple diaphragm pump :
en
- US1919865A - Dish scraper :
en
- US1920156A - Antenna for short and ultra-short waves :
en
- DE581244C - Hollow shaft drive for electric traction vehicles :
de
en
- US1919266A - Door :
en
- US1920120A - Method of manufacturing molded mottled articles :
en
- CA334379A - Oil distillation :
en
fr
- US1919895A - Circuit breaker protective system :
en
- AT134240B - Device for lifting the driven swivel castor from its running surface on flame cutting machines. :
de
en
- US1919761A - Production of alkaline earth metal cyanamides :
en
- GB395826A - Improvements in or relating to fire extinguishing apparatus for motor and other vehicles :
en
- US1919371A - Window structure :
en
- USD90377S - William h :
en
- USRE18904E - P asking device for automobiles :
en
- FR749604A - Body :
en
fr
- FR749614A - Rolling table :
en
fr
- FR749703A - Stocking protector or sock :
en
fr
- GB395803A - Improvements in electric protective arrangements :
en
- FR749808A - Device for energizing and tripping trolleys by disconnecting switch for high currents automatically activated by the socket of an electric locomotive :
en
fr
- US1919584A - Method and apparatus for making packing rings :
en
- US1919323A - Saw frame :
en
- US1919650A - Rotary furnace :
en
- FR749636A - Method and device for preventing electrolysis in ship hulls :
en
fr
- FR749714A - Cooling of conductors in spark plug housings :
en
fr
- FR749719A - Barrel on wheels :
en
fr
- FR749732A - Process for the purification and enrichment of fluorite :
en
fr
- FR749627A - Stockings and its manufacturing process :
en
fr
- GB395768A - Improvements in or relating to lavatory basins :
en
- US1919433A - Photographic copying apparatus :
en
- US1920116A - Padlock :
en
- FR749551A - :
fr
- GB395971A - Improvements in or relating to processes of stabilising shortening and the improved shortening product resulting therefrom :
en
- US1919290A - Milling machine :
en
- AT134327B - Lever bone reamer. :
de
en
- AT134396B - Jig for molds for casting ceramic objects. :
de
en
- CA334266A - Electric opener for cans :
en
fr
- US1919274A - Electric fuse :
en
- US1919860A - Hose coupling :
en
- US1919579A - 2-oxymethylcarboxylic acid-benzimidazole-arsonic acids and process of preparing them :
en
- US1919957A - Check printing and photographing machine :
en
- USD90374S - op dunkirk :
en
- DE581579C - Device for cleaning steel, cast iron and other castable metals :
de
en
- US1919289A - Method and machine for use in paper making industry :
en
- US1919430A - Double check valve device :
en
- US1919634A - Floatable roof for tanks :
en
- US1919635A - Camera attachment :
en
- US1920089A - Telephone system :
en
- AT134261B - Process for removing arsenic and antimony from iron and manganese ores. :
de
en
- AU1008432A - Recovery of sulphur :
en
- AT134368B - Firing cabinet for oil firing. :
de
en
- GB395873A - Improvements in and relating to valve rectifiers :
en
- GB395887A - Improvements in and relating to rectifier installations :
en
- AT134377B - Method for operating an X-ray machine with high-voltage cables. :
de
en
- US1919473A - Thermostat :
en
- GB395939A - Indicator board for use in playing and practising card games :
en
- GB395900A - Improvements in duplicating machines :
en
- FR749796A - Improvements to automatic lighters :
en
fr
- GB395867A - Improvements relating to lubricating compositions :
en
- US1919196A - Whirling sprayer :
en
- US1919218A - Variable speed power transmission mechanism :
en
- DE581552C - Closing sleeve for strap ends :
de
en
- GB395941A - Moulds or casting supports for the manufacture of articles from microporous rubber :
en
- FR749821A - Studio sideboard convertible into a dining table :
en
fr
- GB395882A - Improvements in or relating to electric discharge tubes and apparatus incorporating the same :
en
- US1919348A - Internal combustion engine :
en
- US1920080A - Electrogravity lock :
en
- AT134355B - Screw connection for folding boat frame or the like. :
de
en
- US1919283A - Ink fountain divider and pad :
en
- US1919730A - Porous metal and metal oxide :
en
- AT134243B - Process for obtaining refined, high-percentage magnesium alloys. :
de
en
- DE581491C - Electric igniter with multiple effects :
de
en
- FR749780A - animal feeder bowl :
en
fr
- CA334262A - Window fastener :
en
fr
- DE571484C - Electrically controlled firearm to protect against robberies in bank and checkout rooms :
de
en
- DE580974C - Screw press for oil fruits u. like :
de
en
- GB396004A - Improvements in fumigants :
en
- FR749586A - Brake for hand carts :
en
fr
- FR749738A - On-load adjustment method for current transformers :
en
fr
- DE581317C - Synchronization and speed checker for cinematographic films :
de
en
- CA334291A - Printing machine wiping and polishing mechanism :
en
fr
- CA334270A - Railway car seal :
en
fr
- US1919370A - Apparatus for packaging candies or the like :
en
- DE581438C - Process for the preparation of Arylaminonaphtholcarbonsäuren :
de
en
- GB395924A - Means for feeding superposed plates of different metals to rolling mills :
en
- CA334240A - Incubator :
en
fr
- AT134391B - Sound recorder and player. :
de
en
- FR749403A - Carpet and its manufacturing process :
en
fr
- FR749453A - Improvements to processes for stabilizing substances intended to make the biscuits and products obtained crisp :
en
fr
- US1919676A - Method of making invertase preparations :
en
- US1919237A - Sheet metal container :
en
- US1919541A - Dishwasher :
en
- AT134363B - Liquid heater operated with gas or liquid fuels. :
de
en
- US1919267A - Electric insulation :
en
- FR749765A - Improvement brought to frequency changers involving the properties of electric vapor or ionized gas valves :
en
fr
- GB395891A - Improvements in moulding presses :
en
- GB396030A - Improved packing for preserving and presenting sheets of regenerated cellulose :
en
- US1919221A - Multiple grip handle :
en
- AT134214B - Electric brake circuit, in particular for lifting machines and rail vehicles. :
de
en
- AT134367B - Device for attaching the binding device of straw presses u. Like. On their frame. :
de
en
- GB395902A - Improvements relating to vehicle lamps :
en
- GB395905A - Improvements in and relating to electrically operated amusement apparatus :
en
- AT134235B - Can opener. :
de
en
- CA334384A - Electric fuel pump :
en
fr
- CA334340A - Window :
en
fr
- AT134345B - Pressure medium braking device, in particular for motor vehicle trains. :
de
en
- AT134332B - Play tires. :
de
en
- CA334290A - Electrolytic cell :
en
fr
- CA334356A - Tomato juice production :
en
fr
- DE581537C - Soil cultivation machine with rotating tools :
de
en
- FR749634A - Automatic circuit breaker device applicable to low voltage electrical distributions :
en
fr
- CA334371A - Flask :
en
fr
- DK47564C - Brake device for Bicycles with Freewheel hub with Retirement brake. :
da
en
- FR749820A - Clip or staple especially for garters :
en
fr
- CA334273A - Scum preventing float :
en
fr
- AT134228B - Method and device for the production of iron straps u. like :
de
en
- DE581312C - Device for the production of complete X-ray spectral diagrams of single crystals with the help of strongly diverging primary beams :
de
en
- FR749555A - Improvements to pipe cutters :
en
fr
- US1919307A - Method and apparatus for volatilizing sulphur :
en
- US1919784A - Loose leaf binder :
en
- US1919205A - Bolt and nut clamping device :
en
- US1919642A - Pose reflecting apparatus :
en
- US1919814A - Electric control system :
en
- US1919878A - Process for manufacturing furfural :
en
- CA334354A - Ammonium sulphate and sulphur recovery :
en
fr
- DE581236C - Method and device for displaying and automatically regulating the change in the state of liquids due to the supply of heat :
de
en
- FR749462A - Motor vehicle upgrades :
en
fr
- FR749757A - Arrangement of marine boilers with superheaters :
en
fr
- GB395813A - Improvements in automatic gas controllers and electric timeswitches :
en
- GB396447A - Improvements in and relating to written or printed text records for projection synchronously with talking picture reproduction :
en
- DE581270C - Device for the continuous production of edible fat panels u. like :
de
en
- DE581521C - Rail, in particular curved rail, with a running surface made resistant to wear :
de
en
- DE581383C - Tube fitting :
de
en
- FR749704A - Parallel connection of incandescent filaments in electric light bulbs :
en
fr
- GB395791A - Improvements in illuminating systems and apparatus for use in connection with motor vehicles :
en
- US1919248A - Fluid seal for rotatable members :
en
- US1919772A - Knife sharpener :
en
- DE581250C - Arrangement for switching off the individual controlled discharge paths, preferably grid-controlled vapor or gas discharge vessels, from self-controlling inverters or converters in a predetermined sequence during the starting process :
de
en
- US1919629A - Stair tread :
en
- DE581485C - Suspension with air damper for vehicles of all kinds, especially motor vehicles :
de
en
- DE581487C - Rearview mirror for motor vehicles :
de
en
- GB395753A - Improvements in or relating to sorting devices, for rapid sorting of office papers and any small articles :
en
- FR749512A - Heat insulating coating :
en
fr
- FR749674A - Device for moving the brush holder collars of polyphase shunt machines with collector and reversible operation, powered by the rotor :
en
fr
- US1919246A - Rotary sprinkler :
en
- USD90368S - Design fob a boiler heateb :
en
- FR749815A - Locking device, in particular for lane change commands :
en
fr
- GB396421A - Improvements in and relating to gas igniting devices :
en
- US1919623A - Production of useful products from cellulosic materials :
en
- US1920115A - A cobpo :
en
- FR749631A - Toy rotated by pulling on a rope :
en
fr
- FR749734A - Process for treating artificial or natural fibers :
en
fr
- GB395808A - Improvements in apparatus for determining the correct exposure in photographic cameras :
en
- US1919412A - Furnace :
en
- FR749546A - Installation of machinery for vehicles, in particular for ships :
en
fr
- FR749705A - Gas pressure regulator :
en
fr
- FR749708A - Advanced spark plug for internal combustion or combustion engines :
en
fr
- GB395932A - Ophthalmic mounting and method of making same :
en
- FR749565A - Method and device for cooling steam intended for apparatus for heating milk and similar liquids :
en
fr
- FR749729A - Further training in stamped metal cans :
en
fr
- AT134251B - Process for the production of hardened objects from nitridable iron or steel alloys. :
de
en
- GB396420A - Improvements in and relating to melting pots :
en
- US1919602A - Valve :
en
- AT134250B - Spinning process and device for dry spinning of rayon threads. :
de
en
- US1919673A - Photographic relief :
en
- FR749688A - Shock absorber system :
en
fr
- GB395771A - Improvements relating to fluid pressure braking apparatus :
en
- GB395984A - Improvements in or relating to photographic printing and enlarging :
en
- GB396003A - Improvements in or relating to writing pens :
en
- US1919550A - Brake shoe :
en
- FR749529A - Ring gas burner :
en
fr
- US1919773A - Indophenols and sulphur dyestuffs therefrom :
en
- US1919804A - Transmission of sound and images :
en
- US1920143A - Explosion turbine plant :
en
- DE581337C - Heart of Vignol or similar rails :
de
en
- DE581343C - Circuit breaker :
de
en
- US1919564A - Means for cleaning sewage filter beds :
en
- FR749650A - Improvements to saxophone mouthpieces :
en
fr
- US1919791A - Eye testing apparatus :
en
- US1920097A - Distillation of tar, etc. :
en
- FR749599A - Trim for mechanical razors :
en
fr
- GB395979A - Improvements in or relating to producing nickel layers on iron or steel :
en
- DE581008C - Conveyor device for foundries and similar businesses :
de
en
- DE581405C - Device for sports and exercise games :
de
en
- US1919216A - Process of ammonia oxidation :
en
- US1920058A - Rubber stamp construction :
en
- CA334332A - Frost shield :
en
fr
- US1919230A - Method of relaying by current transformer and relays :
en
- US1919593A - Chain pipe wrench :
en
- US1919644A - Process for purifying dry cleaners' solvents :
en
- US1919992A - Impulse storage mechanism :
en
- FR749443A - Improvements to inking mechanisms for printing machines :
en
fr
- US1919722A - Toltos hymah :
en
- US1919911A - Pneumatic tire and rim construction :
en
- US1919682A - Propelling mechanism for airplanes :
en
- US1920130A - Clamping device :
en
- US1919662A - Locking slider :
en
- CA334255A - Two-stroke cycle engine :
en
fr
- DE581226C - Branch device for electrical lines with an insulating plate separating the main and branch lines :
de
en
- CA334276A - Tire :
en
fr
- US1919820A - Adjustable chair :
en
- US1919543A - Means for effecting the bloodless removal of diseased tissue :
en
- US1919846A - Tempering bath :
en
- AU883832A - Method of obtaining rubber in granular form from dispersions such as latex, or from solutions :
en
- FR749623A - Improvements to fully shielded electrical machines :
en
fr
- FR749669A - Improvements made to the means for heating the coolant of machines such as, in particular, explosion engines :
en
fr
- DE581551C - Auxiliary device on auxiliary devices for saw frames, cut-off saws, etc. with hydraulic or similar grinding pressure control :
de
en
- FR749792A - Improvements in artificial materials and their manufacture :
en
fr
- AT134253B - Zinc alloy, especially for injection molding. :
de
en
- FR749656A - Closure for high pressure boilers :
en
fr
- FR749745A - Method and device for closing paper bags :
en
fr
- FR749762A - New ring and more especially new alliance and its manufacturing process :
en
fr
- GB395795A - Improvements in and relating to flex drums and contacts for electrical instruments of a dental and surgical character and to trays for such instruments :
en
- US1919503A - Coat belt :
en
- US1919645A - Form tie :
en
- FR749846A - Improvements in the electrolytic deposition of rhodium :
en
fr
- CA334238A - Piston ring turning apparatus :
en
fr
- AT134386B - Locking and switching device for self-collecting speech machines. :
de
en
- US1919500A - Apparatus for controlling the flow of refrigerant in refrigerating apparatus :
en
- US1919561A - Concave mirror :
en
- US1920100A - Synthetic resin and method of making the same :
en
- DE581360C - Process for influencing the burning process of coal and other materials, especially those of dust and gas form and oil :
de
en
- US1919284A - Apparatus for measuring alternating current :
en
- US1919759A - Safety razor :
en
- AT134344B - Automatic trailer coupling, in particular for motor vehicles. :
de
en
- US1919449A - Governor :
en
- US1920060A - Flexible pocket receptacle :
en
- DE581288C - Window stay :
de
en
- FR749760A - Improvement in suspension bridges :
en
fr
- GB395889A - Photographic anti-halation layer :
en
- GB396413A - Improvements in lubricating boxes of axle bearings :
en
- US1919575A - Plastic mass :
en
- FR749665A - Manufacturing process of gaseous hydrocyanic acid :
en
fr
- AT134364B - Electric light sign. :
de
en
- US1919397A - Corn planter :
en
- AU829932A - Improved rabbit exterminator :
en
- CA334396A - Friction mechanism :
en
fr
- CA334246A - Security system for contractors :
en
fr
- CA334298A - Shingle :
en
fr
- DE581421C - Transformer in which the secondary winding is in an electrically conductive connection with consumer devices that are at a high electrical potential, in particular with the heating glow body in electrical discharge tubes :
de
en
- AU647832A - Improvements relating to vehicles capable of running at highspeed on railway tracks :
en
- US1919505A - Roller bit :
en
- US1919570A - Xfiltration :
en
- CA334253A - Servo brake mechanism :
en
fr
- CA334259A - Smoke purifier and condenser :
en
fr
- US1919224A - Antiglare shield for headlights :
en
- CA334236A - Metallic alloy :
en
fr
- US1919698A - Apparatus for the agglomeration of solid carbon dioxide :
en
- FR749569A - Manufacturing process for new anthracene and anthraquinone dyes :
en
fr
- FR749583A - Method and apparatus for descaling the heating surfaces of heating tubes, boilers and the like :
en
fr
- GB395960A - Improvements in or relating to the manufacture of rolled steel rod :
en
- IE12356L - Match packages. :
en
- CA334403A - Cork and fibre paper product :
en
fr
- US1919273A - Renewable electric fuse and method of making it :
en
- CA334243A - Razor blade and sharpener :
en
fr
- US1920119A - Television and picture transmitting apparatus :
en
- US1920064A - Cleaning device for golf balls or the like :
en
- DE580972C - Cylindrical sieve dewatering machine or rotating knot catcher for paper and wood pulp production :
de
en
- DE581591C - Flow meter :
de
en
- GB395737A - Improvements in or appertaining to the manufacture or treatment of paper for use in electrical insulation :
en
- US1919740A - Edge setting machine :
en
- US1920037A - Differential safety device for transformers and the like :
en
- FR749442A - Improvements to lenticular grating films :
en
fr
- FR749711A - Refrigeration plant with cooling elements covered with ice :
en
fr
- CA334336A - Strength testing machine :
en
fr
- CA334310A - Refrigerating apparatus :
en
fr
- AT134370B - Paper feed device for typewriters, typewriters and the like. like :
de
en
- AT134254B - Zinc alloy, especially for injection molding. :
de
en
- AT134262B - Sodium hydrosulfite preparations. :
de
en
- US1919330A - Temperature regulation system :
en
- US1919531A - Brake :
en
- USD90366S - Design fob a shbine :
en
- US1919389A - Planetary type surfacing machine :
en
- AT134208B - Device for braking induction motors. :
de
en
- US1919463A - Metallic packing and method of making the same :
en
- US1919483A - Combined color filter and screen :
en
- AT134259B - Process for welding on the negative pole or with alternating current. :
de
en
- US1919663A - Safety device for overhead electric lines :
en
- US1919604A - Method of forming composite boxes :
en
- US1919948A - Apparatus for suppressing interference in radio selector systems :
en
- US1919219A - Card printing and punching mechanism :
en
- US1920107A - Process and apparatus for treating cotton seeds and other grain :
en
- US1919208A - Switching mechanism for automotive vehicles :
en
- US1919260A - Road scraper :
en
- US1919951A - Snap fastener installation :
en
- CA334252A - Cow tail holder :
en
fr
- FR749617A - gas heat exchanger for absorption refrigeration machines, with auxiliary gas for pressure compensation :
en
fr
- GB396052A - Improvements in and relating to electric current converting apparatus :
en
- DE581388C - Process for cold smoking of fish :
de
en
- DE580811C - Tin snips with a fixed straight lower knife and a driven, rotating circular upper knife :
de
en
- FR749506A - Volume control system for radio receivers and the like :
en
fr
- DE581321C - Bundle briquette :
de
en
- DE581415C - Fluid switch with conductive switching fluid :
de
en
- US1919718A - Method and means for adhering rubber to metal :
en
- US1919837A - Conveyer :
en
- US1920126A - Filtration :
en
- AT134352B - Switching device for overhead contact lines in railway systems in which locomotives for various types of electricity run. :
de
en
- CA334339A - Brake lining making machine :
en
fr
- CA334397A - Electron discharge device :
en
fr
- US1919385A - Circuit breaker :
en
- US1919615A - Grinding machine :
en
- US1919664A - Process for treating acid sludges :
en
- US1919929A - Apparatus for testing brakes :
en
- US1919701A - Metal lock for gas meters :
en
- US1920159A - Radiogoniometer :
en
- US1919288A - Method and apparatus for truing a grinding wheel :
en
- US1919689A - Sludge digestion tank :
en
- US1919928A - Coil winding machine :
en
- US1920087A - Lace attachment for flat knitting machines :
en
- DE581353C - Process for the insulation of metal parts of electrical machines and apparatus from injected or sprayed metal :
de
en
- US1919715A - Method for preparing dispersions of insoluble pigments :
en
- US1919998A - Friction clutch block :
en
- US1919250A - Propeller wheel for fans :
en
- US1919390A - Expanding mill :
en
- CA334369A - Rail joint :
en
fr
- AT134212B - Isolated power supply to the control grid of metal vapor valves. :
de
en
- US1919361A - Apparatus for forming plastic strip material :
en
- US1919680A - Foot rest :
en
- US1920048A - Combined typhoonoscope and barometer :
en
- US1920128A - Locking attachment :
en
- US1919641A - Well plunger :
en
- US1920091A - Ash receptacle :
en
- AT134397B - Appointment calendar. :
de
en
- CA334242A - Fine coal separating method and apparatus :
en
fr
- CA334328A - Brake shoe mould :
en
fr
- USD90359S - Design fob :
en
- US1919464A - Method of manufacturing boots or shoes :
en
- US1919611A - Apparatus for automatically regulating the drill pressure in deepboring plants :
en
- US1919977A - Electric valve converting apparatus :
en
- US1919984A - Method of making grid structures :
en
- AT134202B - Crude oil burner. :
de
en
- AU969232A - Stove door hinges :
en
- GB395872A - Improvements in or relating to electric motor control systems :
en
- DE581246C - Electric cable :
de
en
- DE581417C - Damping device for the cylinder piston when actuating electrical switches by compressed air drive :
de
en
- GB396412A - Improvements in the manufacture of azo dyestuffs and in the colouration of textile materials :
en
- FR749804A - Device for unwinding and winding a continuous strip :
en
fr
- CA334378A - Method of freeing oil from sulphur dioxide :
en
fr
- CA334239A - Tennis racket frame :
en
fr
- US1919934A - Conveyer system :
en
- US1919976A - Electric power converting apparatus :
en
- USD90361S - Design fob :
en
- US1920069A - Waxing device :
en
- US1919354A - Expansion joint for tiled bathtub recesses :
en
- DE581476C - Liquid-controlled injection nozzle :
de
en
- US1919276A - Light signal :
en
- US1920020A - Casting mold :
en
- US1920144A - Aeroplane window cleaner :
en
- USD90358S - Design for a :
en
- AT134219B - Image composition device for television receivers. :
de
en
- US1919873A - Wire glass :
en
- US1920052A - Seat construction :
en
- US1920054A - Life-safety apparatus :
en
- US1920137A - Alkoxyacetic acids :
en
- US1919344A - Propulsion axle for motor vehicles :
en
- US1919769A - Core plug :
en
- US1920082A - Container for refrigerant :
en
- DE581538C - Insulating body made of mica for spark plugs :
de
en
- GB395888A - Improvements relating to the controlling of the flow of fluids in conduits :
en
- CA334244A - Artificial leg :
en
fr
- FR749781A - Hub counter for vehicles :
en
fr
- FR749508A - Luminescent tube system :
en
fr
- CA334314A - Pipe branch fitting :
en
fr
- DE581304C - Flue gas preheater with box-shaped finned tube groups :
de
en
- CA334331A - Binding device :
en
fr
- US1919537A - Nursery nipple :
en
- US1919853A - Well packer :
en
- US1919556A - Process for radio direction, locating observation, and the like :
en
- AU762132A - Mixing Machine :
en
- US1919524A - Retractable landing gear :
en
- US1920121A - Apparatus for making coffee :
en
- FR749404A - Switching device for the rear light of motor vehicles :
en
fr
- DE581315C - Frame for carousel lathes :
de
en
- AT134276B - Process and device for the gasification of finely divided, pulverulent fuels. :
de
en
- DE581530C - Double sofa bed :
de
en
- AT134331B - Soil cultivation device driven like a pendulum. :
de
en
- DE581500C - Contact device, especially for retractable switches :
de
en
- FR749573A - Compressor installation for refrigeration devices :
en
fr
- FR749721A - Improvements to machines for threading tubes, bolts or other similar parts :
en
fr
- GB395974A - Rocking tool holder for lathes and the like :
en
- US1919519A - Brake :
en
- US1920070A - Wall spacer for concrete forms :
en
- DE581225C - Process for the production of rubber-insulated ladders :
de
en
- USD90391S - stedman :
en
- GB395916A - An improved control for the adjustment of the rolls of rolling mills :
en
- GB395755A - Improvements in or relating to multiplex modulated carrier wave telegraph systems :
en
- DE581441C - Impression work for imprinting eye catchers u. Like. For quick-drying paint, such as. B. aniline paint, on paper webs :
de
en
- FR749776A - New shielding system :
en
fr
- GB395933A - Improvements in machines for folding and cementing strips or the like in the manufacture of boots and shoes :
en
- GB395864A - The production of multi-coloured artificial cellulosic materials in the form of sheets, bands or films :
en
- GB395756A - Improvements in electrically heated hollowware :
en
- FR749430A - Transmitter device for telewriting machines :
en
fr
- FR749519A - Improvements in the manufacture of bags, pouches, envelopes and other similar articles :
en
fr
- DE581463C - Process for the production of mass cores from iron-nickel powder, which is subjected to a heat treatment to achieve a high level of magnetic stability before pressing or insulation :
de
en
- AT134297B - Process for the extraction of hydrocarbons from gases by means of solid adsorbents. :
de
en
- AT134374B - Device for operational monitoring of a factory production or distribution process. :
de
en
- CA334271A - Vaporizer :
en
fr
- CA334306A - Relay :
en
fr
- FR749713A - Magnetic alloy :
en
fr
- FR749783A - Endless track conveyor device for passenger transport and other applications :
en
fr
- FR749813A - Movable toy figure :
en
fr
- US1919206A - Signaling system for automotive vehicles :
en
- US1920098A - Hydraulic shock absorber :
en
- US1919705A - Weed or quack grass plow :
en
- US1919939A - Casting freely oxidizable metal :
en
- USD90364S - Design for a griddle iron :
en
- US1919764A - Cutting torch :
en
- US1920010A - Friction brake :
en
- US1919314A - Telephone instrument circuit :
en
- US1919563A - Process of preparing 1-amino-10-anthrones and the products obtainable thereby :
en
- USD90380S - Island :
en
- USRE18903E - To worcester :
en
- US1919367A - Sash guide :
en
- US1919488A - Internal combustion engine :
en
- US1919782A - Fan attachment for sewing machines :
en
- AT134393B - Velor pump brush machine. :
de
en
- GB395817A - Improvements in electric heating pads for treatment of the body :
en
- GB395886A - Closed removable needle bearing :
en
- DE581436C - Process for the preparation of 2- (3'-oxynaphthyl-2 ') - 4-oxy-6,7-benzopseudoaziminobenzenes :
de
en
- DE581373C - Gas knife support :
de
en
- US1919265A - Thermostat :
en
- US1919322A - Method of and apparatus for glazing ceramic ware :
en
- US1920024A - Integrating mechanism :
en
- FR749653A - Stackable rattan and bentwood seats and their manufacturing process :
en
fr
- DE581366C - Winch :
de
en
- DE581594C - Device for the continuous automatic dosing and mixing of liquids in certain proportions :
de
en
- DE581545C - Method of preventing the rubber tires of motor vehicles from sliding :
de
en
- DE581470C - Magazine speaking machine for optional playing of records :
de
en
- FR749818A - Improvements to letters and similar signs for signs :
en
fr
- GB395985A - Improvements in or relating to tele-cinematograph and like transmitters :
en
- DK47562C - Hot water boiler for oil heating. :
da
en
- FR749499A - Removable chairs :
en
fr
- FR749827A - Quick-adjust wrench for gripping nuts of various sizes :
en
fr
- GB395857A - Improved pull-off fitting for curved overhead electric current conducting lines :
en
- FR749794A - :
fr
- US1919207A - Automotive vehicle switching mechanism :
en
- US1919386A - Machine for striping :
en
- FR749422A - Talking motion picture film with automatic progress control :
en
fr
- GB395838A - Improvements in gas fires :
en
- GB395878A - Coin freed apparatus for playing games of skill or chance :
en
- FR749799A - Multiple light signaling device :
en
fr
- GB396107A - Improvements in or relating to the hydration of olefines :
en
- DE581283C - Valve for pneumatic tires with a locking body that is automatically adjustable inside the valve housing :
de
en
- DE581380C - Device for changing the compression chamber in internal combustion engines, in which the cylinders can be moved against the crankshaft to compensate for changes in pressure :
de
en
- DE581542C - Display device on the handle of the slide of photographic cassettes :
de
en
- US1919353A - Coupling device :
en
- DE562066C - Device for determining the exposure position (external orientation) of measurement images :
de
en
- DE581328C - Process for the preparation of acridone and substituted acridones :
de
en
- CA334395A - Alternating current motor :
en
fr
- US1919352A - Saw teeth :
en
- US1919471A - Mop :
en
- US1919506A - Water heater :
en
- US1919720A - Etine :
en
- US1919850A - Emil luscher :
en
- US1919906A - Stabilized radioreceiver :
en
- USD90382S - Eugene schwarz :
en
- GB395823A - Improvements in or relating to coupling systems for thermionic amplifiers :
en
- US1919683A - Vehicle wheel :
en
- CA334294A - Grooved pulley :
en
fr
- FR749621A - Nuts and Bolts Improvements :
en
fr
- FR749690A - Hollow slabs, ribbed slabs and composite slabs :
en
fr
- GB395842A - Improvements in or relating to electrolytic condensers :
en
- DE581505C - Device for making tubes from glass :
de
en
- AT134334B - Method and device for scoring rolls. :
de
en
- GB395880A - Improvements in and relating to the manufacture of moulding substances :
en
- FR749699A - Ring slider for ring spinners and twists :
en
fr
- GB395897A - Improvements in apparatus for straining wood pulp and the like :
en
- GB395954A - Improved process and apparatus for winding freshly spun artificial silk on spinning bobbins and the like :
en
- GB395996A - An improved jar adapted for the packing of salted herrings :
en
- DE581258C - citrus press :
de
en
- FR749616A - Absorption refrigeration machine, with auxiliary gas for pressure compensation :
en
fr
- GB395810A - Improvements in and in the manufacture of photographic and such like albums for the reception of photographs, prints, specimens and such like :
en
- US1919870A - Transmission gear :
en
- US1919811A - Thermometer case :
en
- DE581303C - Process for the production of shaped or coarse adsorptive masses :
de
en
- GB396077A - The manufacture of aminohalogen-anthraquinone sulphonic acids :
en
- DE581509C - Slice stacking device for slicing machines :
de
en
- GB396078A - Process for the manufacture of azo dyestuffs :
en
- FR749452A - :
fr
- AT134304B - Process for the simultaneous production of two or more castings by centrifugal casting. :
de
en
- CA334260A - Vehicle spring connection :
en
fr
- CA334326A - Thread rolling die :
en
fr
- CA334358A - Casting machine :
en
fr
- DE581478C - Hollow shaft :
de
en
- US1919913A - Interlocking switch :
en
- DE581589C - Device for the even distribution of the loading of mechanical roasting ovens :
de
en
- GB395929A - Silencer for internal combustion engines :
en
- US1919985A - Cathode ray oscillograph sweep circuit :
en
- US1920106A - Tow line :
en
- FR749657A - Cellulose esterification process :
en
fr
- US1919577A - Internal combustion engine cooling system :
en
- US1919763A - Lock and latch :
en
- DE581375C - Device for conveying a constant amount of material per unit of time :
de
en
- FR749716A - Rubber vulcanization process :
en
fr
- FR749737A - Method of frequency change by means of electric vapor or ionized gas valves :
en
fr
- GB395841A - Improvements in floor-polishing and washing apparatus :
en
- DE581397C - Tilt protection for mobile, erectable and extendable fire brigade turntable ladders :
de
en
- GB396020A - Improvements in or relating to door arrangements more particularly for aircraft :
en
- US1919940A - Nut for nut and screw fastened installations :
en
- US1920056A - Wire cutting and twisting device :
en
- US1920158A - Apparatus :
en
- GB395968A - Improvements in the manufacture and production of complex metal compounds of ortho-hydroxyazo dyestuffs :
en
- US1919626A - Apparatus for purifying exhaust gas :
en
- US1919918A - Molding and pressing method and apparatus :
en
- DE581489C - Automatic compensation between drive force and load, especially of compressed air-driven grinding and drilling machines :
de
en
- DE581215C - Process for the production of rail sleepers, especially for points :
de
en
- DE581266C - Resilient piston ring for power machines with slot control :
de
en
- FR749536A - Improvements in the manufacture of cellulose or cellulosic materials :
en
fr
- FR749539A - Device applicable to billiards in order to increase the interest of the game :
en
fr
- GB395809A - Improvements in pocket lighters :
en
- US1919393A - Metal door jamb :
en
- US1919511A - Quick reset mechanism for odometers :
en
- AT134395B - Cylindrical container for ejecting speaking machine needles and the like. like :
de
en
- DE581323C - Device for sealing unsuccessful, pressurized boreholes :
de
en
- GB395965A - Improvements in and relating to illuminated traffic signals :
en
- FR749602A - Signs and signals transmitter-printer :
en
fr
- FR749645A - Dust vacuum cleaner, comprising a brushing or beating device driven by the vacuum cleaner motor :
en
fr
- US1919946A - Slide fastener :
en
- US1919422A - Fluid pressure brake :
en
- CA334286A - Typewriter margin regulator :
en
fr
- US1919400A - Apparatus for the evaporation of liquids :
en
- US1919573A - Azodyestuff :
en
- US1919309A - Apparatus and method for radio transmission and reception :
en
- US1919382A - Detachable meter device :
en
- US1920027A - Figure :
en
- FR749800A - Device for semi-automatic scales and scales :
en
fr
- DE581556C - Card file with horizontally staggered cards secured by spacers :
de
en
- US1919482A - Photographic screen :
en
- CA334317A - Electrical generator :
en
fr
- CA334324A - Centrifugal pump :
en
fr
- DE581325C - Plaettmachine :
de
en
- FR749744A - Electric heater :
en
fr
- IE12557L - Gasometers :
en
- US1919978A - Welding apparatus :
en
- US1919431A - Control valve for retaining valves :
en
- AU851232A - Improvements inthe grain feed device for seed drills :
en
- DE581398C - Damping device on self-acting, pressure-operated auxiliary power clutches for motor vehicles :
de
en
- DE581220C - Arrangement for regulating the amount of cooling water :
de
en
- GB396032A - Process for the simultaneous presentation of sound films in different languages :
en
- CA334393A - Pressure transmitting fluid composition :
en
fr
- FR749615A - Absorption machine with auxiliary gas used to compensate the pressure and circulated through the vaporizer and the absorber by means of an oscillating plate :
en
fr
- GB395797A - Improvements in or relating to machines for winding material of ribbon like form into rolls :
en
- AT134249B - Process for void-free casting of iron and non-ferrous metals. :
de
en
- FR749441A - Conical wrench for tightening or loosening round nuts :
en
fr
- US1919672A - Process for cooling and safeguarding oil cracking apparatus :
en
- US1919974A - Friction brake :
en
- US1919403A - Sorting apparatus :
en
- US1919494A - Basket-ball backstop :
en
- FR749612A - Articulated toy :
en
fr
- GB395914A - Improvements in or relating to coke ovens :
en