• CA336636A - Electrolytic condenser : en fr
  • AT135086B - Adjustable embroidery frame, especially for fillet work. : de en
  • DE586703C - Planetary gear change gear for drainage and irrigation pump systems : de en
  • GB400446A - Improvements in or relating to processes of, and apparatus for impregnation : en
  • DE586556C - Products made from nickel, high-nickel alloys or nickel-plated metals : de en
  • US1932144A - Building material : en
  • US1932282A - Ophthalmic mounting : en
  • AT134961B - Wrench. : de en
  • AT135192B - Method and apparatus for producing pull fuse packs. : de en
  • US1931750A - Skylight construction : en
  • AT135180B - Electric headlight bulb. : de en
  • CA336507A - Combination washstand and cabinet : en fr
  • US1931919A - Combination axle : en
  • US1931743A - Safety razor blade : en
  • USRE18975E - Sample taking device : en
  • US1931590A - Drill bit : en
  • US1932053A - Driving-locking mechanism : en
  • DE586986C - Device for recording multiple curves using the Braun tube : de en
  • FR753944A - : fr
  • FR754016A - : fr
  • US1931587A - Casting metals in metal molds or dies : en
  • US1932126A - Mounting for tubular handles : en
  • AT134978B - Tanning process. : de en
  • AT135150B - Pyrophoric lighter. : de en
  • CA336533A - Piston : en fr
  • US1931916A - Sewing machine : en
  • US1932006A - Dresser set component : en
  • CA336591A - Angle cock device : en fr
  • DE586504C - Movable feed piston for the material to be centrifuged in a cylindrical sieve drum : de en
  • DE586995C - Circular knitting machine with thread clamps : de en
  • CA336634A - Petroleum emulsion processing : en fr
  • US1931716A - Method of generating producer gas : en
  • US1932167A - Fur stretching machine : en
  • AT135069B - Heating, cooking and soldering device for liquid fuels. : de en
  • US1931803A - Transportation of automobiles : en
  • DE586851C - Lock and strike plate for vehicle doors : de en
  • GB400516A - Improved means for controlling a series of apparatus for the delivery of vouchers, such as postage stamps and the like : en
  • DE586943C - Replaceable heel patch for shoes : de en
  • DK47910C - Stove. : da en
  • AT134954B - Device for registering the course of a measured variable. : de en
  • AT134994B - Process for the preparation of 1-phenyl-2-aminoalkoholen- (1) hydroxylated in the phenyl radical. : de en
  • AT134968B - Toilet flushing device controlled by the seat board. : de en
  • DE586849C - Suspension device for the control of vehicles of all kinds, especially bicycles and motorcycles : de en
  • GB400480A - Improvements in or relating to machines for wrapping confections or sweetmeats and similar articles : en
  • DK47907C - Plate-shaped throwing measure of clay or similar. : da en
  • DE586834C - Rotary kiln : de en
  • FR753867A - : fr
  • GB400621A - Improvements in safety razors : en
  • US1932037A - Pump for steam heating systems : en
  • GB400481A - Improvements in or relating to shirts and collars therefor : en
  • US1931704A - Process of protecting ferrous metals : en
  • FR753881A - : fr
  • US1931601A - System of signaling circuits in alpha multiconductor cable : en
  • US1931913A - Method of metal working : en
  • US1931980A - Direction finding system with microrays : en
  • US1932125A - Coffeepot : en
  • USD90909S - Design for a corner post : en
  • US1931534A - Cleaner : en
  • DE586890C - Strain relief and anti-twist device for longitudinally divided plugs and similar devices : de en
  • GB400332A - Improvements in or relating to vices and like tools : en
  • DE557538C - Ankle support : de en
  • GB400306A - Improvements in means for converting reciprocating motion into rotary motion or viceversa in engines and compressors : en
  • CA10124S - Show case or display case : en
  • DE586821C - Coil for induction ovens : de en
  • US1931557A - Internal combustion engine : en
  • US1931665A - Fuse or cut-out : en
  • CA336602A - Pressure gauge : en fr
  • AT135187B - Electric tube with glow electrodes. : de en
  • US1931788A - Internal combustion engine : en
  • USD90930S - Design for a spring clip : en
  • GB400512A - Improvements relating to the friction drive of the over-head gear of sheep-shearing machines : en
  • GB400941A - Improvements in connected with reversing lamps for motor vehicles : en
  • US1932107A - Ground marker : en
  • US1932225A - Automatic conveyer truck : en
  • US1932240A - Egg case : en
  • US1932304A - Monogram : en
  • AT135094B - Device for displaying the passage through certain tennis court zones by tennis balls. : de en
  • US1931745A - Loading machine : en
  • US1931761A - Sprinkler nozzle : en
  • US1931865A - Clutch mechanism suitable for rotatable typeheads : en
  • FR753863A - : fr
  • FR754033A - : fr
  • GB400330A - An improved engine starter : en
  • FR753732A - Device for transverse movement of railway tracks : en fr
  • CA336659A - Communication system : en fr
  • FR753856A - : fr
  • GB400415A - Improvements in or relating to the recovery of pulp from waste paper : en
  • US1931922A - Laminated article : en
  • US1931944A - Extraction of tin from ores : en
  • US1932317A - Mechanical toy : en
  • US1932340A - Steering knuckle : en
  • US1932060A - Fmergency-stop means for elevator cars and counterweights : en
  • USD90921S - Design for a tire cover or similar : en
  • US1931748A - Unit heater : en
  • FR753883A - : fr
  • US1931623A - Apparatus for treating foodstuffs : en
  • US1932222A - Luggage carrier garment supporter : en
  • US1932260A - Grinding machine : en
  • AT134952B - Valve for compressed air pumps, especially for blowtorches operated with liquid fuel, heating and cooking appliances or the like. : de en
  • AT135003B - Process for the production of smoke bodies. : de en
  • DE586954C - Eccentric shooter striking device : de en
  • DE586735C - Flexible metal clip in V-shape, especially for textile goods : de en
  • DE586740C - Carbon ring packing for the shafts of centrifugal machines, especially steam turbines : de en
  • GB400300A - Means of attaching wire mesh or mattress surfaces to lateral head and foot elements of mattress frames : en
  • FR753947A - : fr
  • FR753984A - : fr
  • GB400468A - Improvements in jointing and reinforcing the composite parts of steel arches, props and cambered bars, for use in mines and like places : en
  • US1931685A - Trailer for tricycles and the like : en
  • AU972732A - Improvements in and relating to docket invoice books andthe like : en
  • DE586820C - Wall heating plate with heating channels that form one piece with the plate : de en
  • DE586950C - Sliding box for luxury goods, especially for cigarettes : de en
  • DE587056C - Line protection device : de en
  • FR753842A - : fr
  • GB400629A - Improvements in or relating to condenser microphones : en
  • GB400274A - Improvements relating to safes and strongrooms : en
  • DE586618C - Oil lock for lubricating oil pressure lines : de en
  • FR753792A - Process of heat treatment, by series, of workpieces : en fr
  • GB400589A - Improvements in the production of sheet materials : en
  • FR753790A - Stepladder table : en fr
  • GB400484A - Improvements in or relating to safety burners for gas-cookers, stoves and the like : en
  • GB400624A - Improvements in cylinder paper making machines : en
  • FR753938A - : fr
  • GB400518A - Improvements in rangefinders for photographic purposes : en
  • DE586675C - Automatic loading device for furnaces : de en
  • GB400571A - Improvements in or relating to the suspension of motor and other vehicles : en
  • FR753733A - Device for automatic loading of cinematographic devices : en fr
  • FR753904A - : fr
  • GB400557A - Improvements in or relating to cooling systems for internal combustion engines : en
  • US1931853A - Radio direction finding : en
  • US1931926A - Floor scraper : en
  • DE586532C - Time registration device for beams generated using electrical currents : de en
  • DE586777C - Car bodies, especially for motor vehicles : de en
  • DE586808C - Device for reducing the pressure in the control chamber of the release valve of a brake control valve, which is increased when the brake line is overloaded : de en
  • DE586945C - Spring firearm for shooting liquids : de en
  • FR753703A - Lighting globe : en fr
  • US1931540A - Sulphocarboxxtic acid amide : en
  • AT135016B - Device for the production of cigarette tubes with a cardboard mouthpiece with an inwardly curved edge of the mouthpiece opening. : de en
  • FR753913A - : fr
  • DE586611C - Wire glass substitute made of tissue with a coating of cellulose esters or ethers : de en
  • GB400647A - Improvements in or relating to tire rims : en
  • DE586617C - Straw press with binding device : de en
  • GB400258A - A powder for use in melting metals especially metals used in typecasting machines and stereotyping foundries : en
  • USRE18981E - Lighting system fob toy locomotives : en
  • US1931552A - Illuminated telescope sight : en
  • DE586785C - Device for recording and determining the direction of aircraft noise : de en
  • US1932111A - Feed water heater : en
  • US1931729A - Means to facilitate the distribution of fuel in internal combustion engines : en
  • US1932233A - Sealed can : en
  • US1932133A - Filling detector for looms : en
  • FR754032A - : fr
  • GB400268A - Improvements in or relating to radio and other high frequency receivers : en
  • DE587015C - Rescue device for lowering people and loads in the event of fire : de en
  • DE587023C - Medico-gymnastic apparatus : de en
  • US1931889A - Metal cove and bracket : en
  • US1931867A - Battery control system : en
  • US1932176A - Sulphuric acid derivatives of amides : en
  • GB400344A - Improvements relating to the charging of coal, coke and other solid materials into storage chambers and the like : en
  • FR753902A - : fr
  • DE586914C - Planimeter : de en
  • AT135081B - Electrically heated glove. : de en
  • GB400565A - Improvements in saw blades and method of making same : en
  • US1931794A - Sash construction : en
  • US1932032A - Continuous carburizing process : en
  • US1932318A - Dry mat scorcher : en
  • GB400288A - Improvements in or relating to gramophone record cases : en
  • US1931525A - Tank : en
  • US1932137A - Lawn cleaner : en
  • DE586548C - Regulating device on spray gasifiers : de en
  • DE586737C - Cleaning brush with a cylindrical container for liquid soap arranged in the handle between two bristle bodies : de en
  • FR753890A - : fr
  • FR753848A - : fr
  • FR754021A - : fr
  • GB400310A - Improvements in or relating to kerbs for roads, streets and the like : en
  • DE586600C - Device for starting asynchronous machines : de en
  • DE586960C - Standing muffle for zinc containment : de en
  • DE587052C - Three-phase drive of a wire drawing machine : de en
  • US1931692A - Centrifugal blowing apparatus : en
  • US1931768A - Fertilizer manufacture : en
  • US1932236A - Antifriction bearing apparatus : en
  • FR753830A - General circular path vehicle system for fairground attractions, etc. : en fr
  • GB400313A - A turn-over appliance for manufacturing and operating on structural members : en
  • DE586909C - Rotatable impact body for vacuum cleaner : de en
  • DE586524C - Drop flap relay : de en
  • DE586612C - Writing measuring device with point-like recording of a measured value in different colors : de en
  • DE586856C - Roller skate with ball bearings : de en
  • DE586650C - Mercury vacuum pump, especially for venting cooling systems : de en
  • DE586962C - corset : de en
  • GB400367A - Improvements relating to machines for covering cores by winding : en
  • CA336550A - Motor compressor : en fr
  • US1932243A - Sectional heat resisting metallic surface : en
  • GB400533A - Improvements in or relating to distributor valve for rotary, compressed-air motors : en
  • AT134998B - Insecticides. : de en
  • AU962532A - Improvements in or relating tothe application of adhesive or like coatings to hoot or shoe parts orthe like : en
  • DE586520C - Self-actuating rigid central buffer coupling : de en
  • DE586774C - Process for the production of liver sausage : de en
  • DE586592C - Tabs for the printing plates of address printing machines : de en
  • DE587031C - Circuit arrangement for telephone systems with dialer operation : de en
  • US1931801A - Lathe apron mechanism : en
  • US1931894A - Automatic lubricator : en
  • FR753805A - Electroplating method and apparatus : en fr
  • GB400558A - Affixable corner mounts for pictures : en
  • FR753852A - : fr
  • FR753899A - : fr
  • GB400337A - Improvements in and relating to printers' furniture : en
  • GB400489A - Improvements in and relating to the production of alkali cellulose for viscose manufacture : en
  • AT135032B - Method and apparatus for collecting deformable material of great length, e.g. B. rubber threads. : de en
  • US1932183A - Method of separating certain components from pine oil : en
  • DE586530C - Electron tubes : de en
  • DE586957C - Road construction machine for the production of mastic asphalt : de en
  • FR754022A - : fr
  • US1932044A - Meter cover : en
  • FR753719A - Improvements in the treatment of materials for the removal of saltpetre by injection of a bactericide : en fr
  • US1931624A - Remote control : en
  • AT134959B - Device for preventing the actuation of the printing mechanism of a balance as long as the balance is not in balance. : de en
  • GB400397A - Improvements in or relating to securing devices : en
  • GB400388A - Improvements in or relating to electric discharge tubes : en
  • GB400422A - Improvements in ball retaining devices for ball games : en
  • AT135117B - Process for the production of non-adhesive, little decomposable structural protein cleavage products, in particular for the purpose of producing hair care products. : de en
  • US1931734A - Toy crane : en
  • DE586921C - Safety pin with protective cap : de en
  • DE586881C - Device for regulating traffic : de en
  • DE586826C - Yarn guide device for the bobbin spinning process for rayon : de en
  • US1932091A - Controlling valve for couplers : en
  • US1932095A - Cotton fiber sorting apparatus : en
  • AT135172B - Gas-filled electric discharge tube. : de en
  • US1932054A - Scraper and cleaner for tractor wheels : en
  • US1931490A - Level protractor : en
  • DE586589C - Process for the production of d-glycuronic acid from vegetable gums : de en
  • FR753963A - : fr
  • GB400524A - Improvements in or relating to aluminium-melting furnaces : en
  • DE587033C - corset : de en
  • FR753929A - : fr
  • DE586877C - Multi-spindle drilling machine with screw-shaped drilling spindles : de en
  • FR753866A - : fr
  • GB400409A - Improvements in asphaltic emulsions and method of making the same : en
  • GB400531A - Improvements in or relating to variable condensers : en
  • GB400449A - Improvements relating to variable centrifugal speed governor control : en
  • US1931876A - Telegraph signal regenerating apparatus : en
  • US1932070A - Solution tank : en
  • DE586625C - Foam generators, in particular for fire extinguishing purposes : de en
  • DK47897C - Ventilation device for closed Automobiles or other closed Carriages. : da en
  • FR754018A - : fr
  • GB400315A - Improvements in devices for locking the road wheels of vehicles : en
  • GB400316A - Improvements in punching device for roller bearing cages and similar articles : en
  • GB400617A - Improvements in or relating to methods of feeding pulverulent, granular or like material, and apparatus therefor : en
  • AT135200B - Ceiling hollow body. : de en
  • AU971132A - An improved fruit dipping bucket : en
  • US1931591A - Winding machine : en
  • US1932264A - Nozzle diaphragm and the like and method of making the same : en
  • US1932319A - Surface grinding machine : en
  • USD90916S - Design for a card receptacle : en
  • DE586951C - Container to hold household waste : de en
  • US1931912A - Method of forming aluminum : en
  • US1932062A - Brake for elevator-governor sheaves : en
  • US1931560A - Mining machine : en
  • DE586797C - Marking device for chain sizing machines, tree machines, etc. : de en
  • CA336685A - Loom : en fr
  • GB400438A - Improvements relating to the controls of marine power plant : en
  • US1932051A - Transformer : en
  • DE586752C - Braking device for sliding buffer blocks : de en
  • US1931955A - Projection apparatus : en
  • US1932124A - Drier and sorting table : en
  • US1932331A - Internal-combustion engine : en
  • USRE18976E - Spring construction : en
  • AT135058B - Device for achieving a constant pressure in the fuel container of cooking and heating devices for liquid fuels. : de en
  • AT135121B - Discharge tube. : de en
  • CA336522A - Shoe : en fr
  • CA336544A - Ornamented tire rim : en fr
  • DE586634C - Chain thread monitor in the harness : de en
  • GB400319A - Improvements in or relating to short wave oscillators and apparatus for use in association therewith : en
  • US1932327A - Truck body : en
  • US1932376A - Method of reforming angle splice bars : en
  • AT135138B - Hand cleaning device for hotplates, tools, etc. like : de en
  • DE586651C - Electrode melting bath furnace : de en
  • DE586750C - Process for the heat-conducting connection of the wheel tires of rail wheels with the wheel body : de en
  • DE558589C - Device for storing and filling dental wash bottles : de en
  • DE586565C - Drip catcher on a fuel dispenser for lighters : de en
  • DE586793C - Straw schuettler covering made of sheet metal : de en
  • DK47921C - Furniture for storing clothes and the like. : da en
  • DE586865C - Thread tensioning device for rayon threads : de en
  • DE587046C - Connector pin, especially for radio tube sockets, and a method for its manufacture : de en
  • DE586501C - Shoe lasts : de en
  • DE586861C - Process for the thermocatalytic production of hydrocyanic acid : de en
  • AT135021B - Match lighter. : de en
  • US1932041A - Baling press : en
  • DE586608C - Mobile molding sand processing plant for foundries : de en
  • CA336512A - Bag support for filling machines : en fr
  • FR753835A - : fr
  • US1931751A - Jar for valves : en
  • US1932179A - Sulphuric acid derivatives of : en
  • USD90912S - Design fok a chair : en
  • DE586879C - Process for the preparation of pyridine compounds containing basic groups : de en
  • US1931627A - Chamfering tool : en
  • US1932291A - Fire extinguisher : en
  • US1932314A - Coin freed time controlling mechanism for valves and electric switches : en
  • DE586892C - Voltage-dependent regulating device, in particular for voltage control of a generator or for speed control of a motor : de en
  • DE586964C - Bounce device operated with liquid or gases for sheet metal drawing presses : de en
  • GB400354A - Improvements in or relating to transmission mechanism for distance indicators or odometers : en
  • FR753813A - Rangefinder for photography : en fr
  • FR753918A - : fr
  • GB400648A - Improvements in and relating to electron discharge devices : en
  • US1931553A - Suction cleaning apparatus : en
  • USD90932S - Design for a mirror : en
  • US1931596A - Coupling circuit control : en
  • US1931484A - Coffin conveying device : en
  • US1932223A - Machine for making saw blades : en
  • DE586913C - Adjustable leveling staff : de en
  • DE586746C - Heat exchangers, especially evaporators for refrigeration machines : de en
  • US1931508A - Paper pulp extractor : en
  • FR753927A - : fr
  • DE586585C - Production of aging oxides or oxide hydrates by electrolytic means : de en
  • DE586996C - Thread extraction machine : de en
  • DK47904C - Decorative candles with electric discharge tubes, in particular for shop windows and exhibitions. : da en
  • US1931572A - Vehicle body : en
  • US1931932A - Artificial bait : en
  • US1931982A - Food cutter : en
  • FR753726A - Process for the separation of gaseous mixtures, at low boiling point, into their constituents : en fr
  • US1932127A - Switch : en
  • US1931488A - Cotton tramper feed mechanism : en
  • GB400543A - Improvements in gasholders : en
  • US1931509A - Steel retainer : en
  • US1931737A - Electron tube with electromagnetic grid control : en
  • US1932204A - Compound optical system for motion picture projection machines : en
  • US1932245A - Collapsible boat : en
  • GB400408A - Improvements in or relating to reciprocating piston engines operated by steam or other fluid under pressure : en
  • US1931905A - Vending machine : en
  • AT135184B - Gas-filled electric tube. : de en
  • CA336540A - Pectous product : en fr
  • AT135001B - Method for removing undeveloped photo image parts. : de en
  • US1931842A - Fountain pen : en
  • US1931813A - Alimentary substance and process for making the same : en
  • US1931953A - Method of and means for splicing : en
  • US1931917A - Sewing machine : en
  • US1932112A - Rear cultivator attachment for tractors : en
  • DE586561C - Suitcase cinema with sound reproduction device : de en
  • US1931546A - Floating roof and sealing means therefor : en
  • US1932207A - Mattress tufting : en
  • US1932241A - Adjustable seat for tractors : en
  • US1932049A - Golf practice game : en
  • DE587068C - Device for adults of male sex : de en
  • DE586985C - AC power transmission system of large cable lengths : de en
  • DK47901C - Arc rectifier with control grilles. : da en
  • US1931792A - Nozzle : en
  • US1932108A - Track type tractor : en
  • US1932146A - Magnetic motor : en
  • FR753804A - Improvements to pumps for fuel injection in internal combustion engines : en fr
  • GB400925A - Vehicle with non-driven rotatable half-axles : en
  • FR753717A - Mounting of the steerable wheels of a trailer, particularly for motor vehicles : en fr
  • GB400529A - Tongs with interchangeable dies for pressing or stamping dished or curved watch glasses of unbreakable material : en
  • DE586835C - Multi-cam recorder : de en
  • GB400566A - Improvements in and relating to the swivelling of the headlights of power-driven vehicles : en
  • DE586901C - Electric rotary capacitor with sector plates : de en
  • FR753991A - : fr
  • US1932069A - Hot water heating system with plural riser control : en
  • US1932100A - Lens : en
  • US1932272A - Extended winding rectifier : en
  • DE586657C - Transceiver arrangement : de en
  • DE586757C - Box that can be pulled out to all sides, especially for cutlery : de en
  • FR753799A - Device for varying the axial distance of the axle wheels of freewheeling railway vehicles for different track gauges : en fr
  • GB400270A - Improvements in cycle tyre inflator attachments : en
  • US1931543A - Fuel pump : en
  • DE586590C - Casting mold for a die setting and line casting machine : de en
  • DE586521C - Climbing switch : de en
  • DE586991C - Inside a vacuum space closed off by a special wall, an anti-cathode for X-ray tubes, which has a hood which is impermeable to the generated X-rays and an exit window for the usable X-rays : de en
  • DE587034C - Bleaching device for textile goods : de en
  • GB400322A - Improvements relating to the starting of internal combustion engines : en
  • GB400445A - Improvements in mirrors : en
  • GB400276A - Improvements in or relating to direction finding systems for use in connection with aircraft : en
  • GB400318A - Improved methods of working in internal combustion engines of the reciprocating piston type : en
  • GB400645A - Improvements in or relating to brakes : en
  • GB400251A - Improvements in colour photography : en
  • GB400465A - Improvements in or relating to display devices : en
  • DE586574C - Overmolding device : de en
  • AT135197B - Detachable rail car. : de en
  • GB400349A - Improved means for cooling milk bottles : en
  • GB400497A - Improvements in sheet pilings : en
  • FR754036A - : fr
  • GB400392A - Improvements in and relating to movable sluice weirs : en
  • DE586581C - Zipper : de en
  • DE586591C - Tape feeding device on machines for finishing brass lines for printing purposes from brass tape : de en
  • US1931690A - Device for applying travelers to rings : en
  • US1931618A - Switchboard : en
  • FR753936A - : fr
  • GB400285A - Improvements in and relating to fuel injection pumps for internal combustion engines : en
  • GB400419A - Hydro-mechanically operated metal pipe or tube extrusion press : en
  • US1931947A - Grate shaking apparatus : en
  • US1932066A - Altimeter : en
  • DE586802C - Process for the preparation of particles of perhydrocarbazole : de en
  • GB400264A - Improvements in or relating to colour cinematography : en
  • CA336674A - Gaseous sign housing : en fr
  • US1931644A - Method and mechanism for removing reactances : en
  • US1932355A - Melting furnace with secondary heating features : en
  • FR754026A - : fr
  • GB400380A - Improvements in hand can openers : en
  • DE587054C - Device for the automatic regulation of the speed of auxiliary motors for auxiliary devices on work machines as a function of the speed of the work machine : de en
  • DE587019C - Steering device for two-panel sliding doors : de en
  • DE586707C - Machine for derinding bacon : de en
  • DE586543C - Press mixtures of urea-formaldehyde condensation products : de en
  • GB400420A - Improvements in and relating to means for controlling the cooling action in engines with air cooling : en
  • DE587002C - Process for cutting material containing precious metals : de en
  • DE586715C - Device for drying or thickening moist material, in particular raw cement sludge : de en
  • FR753851A - : fr
  • GB400510A - Improvements in or relating to means for electro-plating : en
  • US1931881A - Window glass channel : en
  • US1931924A - Bead flipper machine : en
  • US1931807A - Automobile tire valve cap : en
  • DE586658C - Device for automatic voltage regulation for direct current and alternating current generators using carbon column resistors : de en
  • DE587039C - Ink feed device, especially for rotary printing machines : de en
  • US1932084A - Cathode ray oscillograph : en
  • GB400926A - An improved speed regulating mechanism for wire winding and like machines : en
  • US1931593A - Typewheel typewriter : en
  • DE586784C - Last carrier : de en
  • FR753800A - Portable water softener : en fr
  • US1932050A - Explosive coating material : en
  • US1931875A - Process and apparatus permitting the utilization of heavy fuels for feeding engines : en
  • US1932342A - Inspection device for airplanes : en
  • US1931643A - Caulking compound and method of application : en
  • US1931693A - Coin operated mechanism : en
  • CA336564A - Corrugated culvert : en fr
  • DE586538C - Spring clip to hold roulades etc. together : de en
  • GB400406A - Improvements in and relating to electric valve circuits : en
  • AT135057B - Device to prevent gas leakage if the hose drops. : de en
  • AT135088B - Device for material examination by means of X-rays, in particular of cheese wheels. : de en
  • DE586693C - Reversing gear for dry valve gas meter : de en
  • DE586853C - Thread guide drive : de en
  • GB400457A - An improved collapsible pit prop : en
  • GB400460A - Improvements relating to valve stems for pneumatic tyres : en
  • FR753974A - : fr
  • FR754011A - : fr
  • GB400290A - Improvements in and relating to electric regulating apparatus : en
  • US1931763A - Current measuring device : en
  • US1931595A - Sealing disk for milk bottles and like containers : en
  • US1931952A - Hydraulic power-transmitting system : en
  • US1931984A - Ticket printing machine : en
  • US1932099A - Handle connection : en
  • GB400369A - Improvements in or relating to refrigerating apparatus for refrigerator cabinets : en
  • GB400382A - Improvements in controlling devices for hydraulic shock absorbers : en
  • AT135092B - Slide switches with sliding pin contacts, preferably intended for electrical organs. : de en
  • DE586838C - Closure for adjustable bracelets : de en
  • US1931689A - Spray nozzle : en
  • US1932077A - Space current device : en
  • FR753754A - Stereoscopic range finder for photography : en fr
  • GB400560A - Bath tub with rounded or roll edge : en
  • GB400590A - Improved spinning or twisting machine : en
  • US1932174A - Production of valuable hydrocarbons : en
  • FR753967A - : fr
  • FR754008A - : fr
  • GB400568A - Bathing suit : en
  • FR753806A - noise suppressor : en fr
  • GB400541A - Device for producing lead packing strings : en
  • US1932320A - Bulk cement carrier : en
  • FR753859A - : fr
  • FR753917A - : fr
  • DE586672C - Device for the interrupted movement of a shaft, for example to control rotary valves in the valve control of a water gas system : de en
  • DE586359C - Control for multi-stage gear change gears : de en
  • DE586871C - Delay for yielding pit lining : de en
  • DE586513C - Device for filling the sensor of vertical extrusion presses, in particular lead cable presses : de en
  • DE586717C - Bucket with two bottom flaps : de en
  • DE586756C - Device for detecting and pulling teeth : de en
  • GB400312A - Improvements in and relating to means for starting up diesel engines : en
  • CA336548A - Colouring material for petroleum distillates : en fr
  • CA336587A - Circuit breaker : en fr
  • FR753970A - : fr
  • DE586982C - Parallel switching device : de en
  • DE587029C - Tipping box with storage directly on the underframe of the tipping vehicle : de en
  • US1931956A - Concrete mixer : en
  • US1931951A - Spark plug : en
  • FR753888A - : fr
  • GB400289A - Improvements in and relating to a method of and means for transmitting signals electrically to a distance : en
  • GB400418A - Improvements in servo-motors : en
  • AT135174B - Lighting system. : de en
  • US1932335A - Hair curler : en
  • DE586577C - Differential protection arrangement : de en
  • AT134970B - Loaded drain ring valve with central guide tube for flushing devices with or without a lifter. : de en
  • GB400286A - Improvements in boot and like polishing preparations : en
  • AT135103B - Installation on photographic apparatus. : de en
  • AT135162B - Artificial products such as threads, strings, ribbons, tubes, etc. Like. For medical purposes. : de en
  • CA336537A - Machine gun : en fr
  • FR753751A - Improvements to pressurized fluid brake devices : en fr
  • CA336562A - Castrating forceps : en fr
  • AT135096B - Presser foot for sewing machines. : de en
  • CA336651A - Electrical controlling apparatus : en fr
  • US1931962A - Sulphuric acid esters of alcohols and derivatives thereof : en
  • US1931967A - Direction-indicating signal for automobiles : en
  • FR753770A - Amusement autodrome and racing cars : en fr
  • DE586708C - Device for moistening envelopes, stamps or the like. : de en
  • US1931764A - Oil separator : en
  • DE586872C - Wedge piece as a support for warped parts in profile iron construction : de en
  • GB400273A - Improvements in wireless transmission systems : en
  • US1932180A - Sulphuric acid derivatives of amides : en
  • FR754001A - : fr
  • DE586684C - Device for the continuous production of glass tubes or glass cylinders : de en
  • US1931678A - Process for the synthetic production of compounds : en
  • AT135115B - Process for utilizing the low-pressure, waste or residual gases that arise when filling and transferring low-boiling, liquefied gases. : de en
  • AT135185B - Electric light bulb with built-in switching device. : de en
  • CA336617A - Lubricating oil : en fr
  • AT135122B - Sheet metal frame to enclose a burial mound. : de en
  • DE585909C - Process for the evaporation of fuel : de en
  • FR754002A - : fr
  • FR753978A - : fr
  • US1931512A - Apparatus for use in color cinematography : en
  • US1931699A - Screw head slotting machine : en
  • DE586875C - Upright stacking device for cooling beds for flat bars : de en
  • US1931500A - Buffing or polishing machine : en
  • US1931772A - Sumbarine boat and cutting means therefor : en
  • US1932082A - Photographic objective : en
  • AT135144B - Verminicide. : de en
  • CA336639A - Autodyne circuit : en fr
  • DE586769C - Device for adjusting counter-wings in recirculating air separators : de en
  • GB400578A - Improvements in or relating to centrifugal separators : en
  • FR753997A - : fr
  • GB400551A - Improvements in or relating to radiators or coolers made of light metal : en
  • US1932157A - Metal stud for wall or partition construction : en
  • AT135132B - Device and method for the production of high-ohmic resistances u. like : de en
  • US1931780A - Brake tester for vehicle wheels : en
  • DE586732C - Blow stowing machine with hopper and crusher : de en
  • DE586136C - Method for producing a film strip with foreground drawings fitted into any background recordings with the aid of masking films : de en
  • DE586751C - Conveyor car coupling : de en
  • DE587040C - Platen printing press : de en
  • FR753871A - : fr
  • DE586780C - Lock for car doors : de en
  • DK47912C - Procedure for Extraction of Air Ingredients with Higher Boiling Point or Oxygen. : da en
  • DE586580C - Suspension of the front support leaf spring on the frame of motor vehicles : de en
  • US1931481A - Brake equalizer for automobiles : en
  • CA336570A - Steam boiler : en fr
  • US1931994A - Locomotive superheater boiler : en
  • US1931897A - Compressor-drive support for refrigerator cars : en
  • GB400363A - An improved method of and means for conditioning or reconditioning pipelines and the like : en
  • AT134974B - Seating furniture made of resilient material. : de en
  • US1931477A - Lens marking machine : en
  • US1931765A - Beverage capsule : en
  • US1932172A - Mechanical refrigerating apparatus : en
  • DE586683C - Head shaping pliers : de en
  • AU875932A - Improvements in and relating tothe art of electric arc welding : en
  • AT135127B - Device for sealing the compression chamber of rotary lobe compressors. : de en
  • US1931661A - Uniframe ship's window : en
  • US1931835A - Jacquard box loom indicator : en
  • US1931883A - Photographic exposure-meter : en
  • DE587069C - Plaster cast or the like : de en
  • US1931931A - Hoisting sling : en
  • AT135165B - Warm air face and hand dryer. : de en
  • AT135120B - Glasses and Klemmer with glasses with two focal lengths each. : de en
  • CA336686A - Crank arm bearing : en fr
  • AT134984B - Revolving apparatus for the production of cellulose acetate. : de en
  • CA336678A - Rubber composition : en fr
  • FR753834A - : fr
  • GB400603A - Improvements in, and relating to, coin freed vending machines : en
  • US1932377A - Milling machine : en
  • FR753762A - Elastic and soundproof suspension device for rail vehicles : en fr
  • GB400359A - Improvements in apparatus for vaporising paraffin oil or the like for diffusion in gas in gas mains : en
  • DE587049C - Mercury switch : de en
  • US1931970A - Folding basket : en
  • US1931626A - Insulator : en
  • US1932349A - Steam distributor : en
  • US1931602A - Means for facilitating the growth of trees and shrubs : en
  • US1931946A - Brake drum cover : en
  • DE586884C - Resilient contact bracket made from individual grinding pieces arranged in a row : de en
  • DE586897C - Brush arrangement, especially for high-speed micro motors with commutators : de en
  • US1932354A - Melting furnace and method of constructing and operating same : en
  • US1932279A - Apparatus for forepoling : en
  • US1932255A - Molding composition of fibrous vegetable material and furfural : en
  • US1932315A - Life protector and dual control for motor vehicles : en
  • US1932350A - Heddle : en
  • GB400498A - Improvements in or relating to devices for detachably connecting two sheets of material together : en
  • AT134953B - Odor trap for toilets and sinks. : de en
  • AT134996B - Process for the production of artificial masses. : de en
  • DE586278C - Resting furniture made from a single endless tubular steel frame : de en
  • DE586385C - Device for recording and checking manometer pressure values : de en
  • DE586621C - Process for the production of metal bodies : de en
  • AT134990B - Method and device for the continuous bleaching of fiber materials. : de en
  • US1931621A - Fixture switch : en
  • US1931574A - Suspended ceiling hanger : en
  • FR753815A - Electric discharge tube intended for the production or reception of electric oscillations : en fr
  • GB400444A - Measuring valves : en
  • US1931776A - Automatic train pipe coupling : en
  • US1931981A - Resistor : en
  • US1932356A - Thermostatically controlled expansion valve : en
  • FR753812A - Improvements to calibration devices : en fr
  • GB400356A - Improvements in or relating to the lubrication of locomotive axle-boxes : en
  • DE586690C - Extension tube, especially for tripods : de en
  • DE586692C - Gyrocompass : de en
  • DE586705C - Friction shock absorbers : de en
  • FR754000A - : fr
  • AT134957B - Method and machine for the production of collector segments. : de en
  • CA336680A - Depilatory compound : en fr
  • AT135123B - Equipment on high structures to prevent water damage. : de en
  • FR753891A - : fr
  • DE587027C - Device to achieve an automatic start of electrically wound clocks with unrest : de en
  • US1931773A - Dandelion digger : en
  • US1931812A - Door opener : en
  • US1932329A - Electrical apparatus : en
  • US1932155A - Modulation system : en
  • DE586833C - Device for spitting meat : de en
  • GB400609A - Improvements in or relating to soldering : en
  • AT134951B - Rolling mill for the continuous production of vertically rising transverse projections on rod-like metal pieces. : de en
  • GB400351A - A highly emissive cathode for cathode-ray tubes : en
  • CA336666A - Time of day announcing system : en fr
  • DK47903C - Locking device, e.g. to Money Boxes. : da en
  • GB401004A - Apparatus for the protection of the contents of shop windows and the like from theft : en
  • FR753922A - : fr
  • GB400574A - Improvements in smoking device : en
  • US1931973A - Grease-feeding device : en
  • DE586644C - Washing machine : de en
  • DE586616C - Mobile motor winch for pulling tillage implements : de en
  • DE586665C - Device for generating and applying high-frequency electrical vibrations : de en
  • FR753887A - : fr
  • DE586720C - Socket wrench for winding clocks and spring mechanisms : de en
  • GB400364A - Improvements in or relating to collecting apparatus for printing or cutting machines : en
  • DE586905C - Electric heating tape : de en
  • DK47922C - Apparatus for Receiving Orders after Shops and Offices Closing Time. : da en
  • DE586545C - Channel scales : de en
  • DE586563C - Lock for lockable bicycle and motorcycle stands : de en
  • DK47924C - Locking device for windscreen cleaners for holding the wiper in one of its outer positions. : da en
  • DE586827C - Device for examination with X-rays : de en
  • FR753786A - Tool for bending pipes : en fr
  • GB400424A - Accumulator with soluble cathode : en
  • GB400433A - Improvements in or relating to rock-drills : en
  • DE586542C - Welded gusset connection for tubular steel constructions : de en
  • DE586869C - Safety miner's lamp : de en
  • DE586906C - Process for the production of dyes : de en
  • DE587048C - Disconnector with swiveling switch isolator : de en
  • GB400360A - Improvements in gas washers : en
  • FR753708A - Centrifugal pump : en fr
  • FR753776A - Process for the manufacture of metal bodies (rods, wires, glowing bodies and the like) of high melting point metals, consisting of a crystal or large crystals : en fr
  • DE587000C - Process for the production of dense aluminum castings : de en
  • US1932028A - Shoe last : en
  • DE586626C - Device for reducing the resistance of bodies flowed over : de en
  • FR754031A - : fr
  • FR753729A - Baffle suction valve for internal combustion engine : en fr
  • FR753773A - Combination lock for car doors and other applications : en fr
  • FR753972A - : fr
  • US1931526A - Dump body for vehicles : en
  • US1931604A - Control apparatus for radioreceivers : en
  • FR753702A - New metal resistant to acid action : en fr
  • GB400304A - Improvements in and relating to pasteurising or sterilizing plant : en
  • US1931991A - Closure for containers : en
  • USD90920S - Design for a tike cover or similar : en
  • FR754019A - : fr
  • GB400505A - A cut-out switch for exposed electric conductors : en
  • GB400507A - Improvements in sheet metal casings for electric motors : en
  • DE586726C - Device for fading sound : de en
  • US1931505A - Internal combustion engine : en
  • FR753753A - Impregnating, humidifying, dispersing, foaming and cleaning agents : en fr
  • GB400515A - Improvements in the driving gear of skew rolling mills : en
  • US1932286A - Dynamo-electric machine : en
  • US1931999A - Body treating table : en
  • US1932383A - Catamenial plug : en
  • DE586770C - Safety device for mixing machines : de en
  • DE586803C - Process for the preparation of a 5íñ6-dihydro-7íñ8-benzocarbazole derivative : de en
  • DE586940C - Safety cap for bottles : de en
  • US1932002A - Safety flushing apparatus : en
  • US1932188A - Carburetor : en
  • CA336667A - Time of day announcing system : en fr
  • US1932273A - Collapsible crate : en
  • US1931569A - Grass and hedge trimmer : en
  • FR753971A - : fr
  • US1931559A - Wrench : en
  • DE586564C - Wheel stand with U-shaped holding parts : de en
  • US1932055A - Slug router : en
  • US1932142A - Double acting engine : en
  • US1932290A - Brake testing machine : en
  • DE586541C - Overflow storage system with any number of taps : de en
  • US1932322A - Plug valve : en
  • FR753879A - : fr
  • US1931969A - Hydraulic gear : en
  • US1932306A - Electrical steels and method of making same : en
  • DE586588C - Removal of iron from materials containing iron oxide : de en
  • DK47919C - Diaphragm for Speakers. : da en
  • FR753755A - Jewel : en fr
  • US1931822A - Girdle : en
  • US1931898A - Lubricated insulated plug valve : en
  • FR753795A - Further training in the shoe industry : en fr
  • DE586593C - Electrically heated stove : de en
  • GB400919A - Improvements in and relating to methods of transforming alternating current of one frequency into alternating current of another frequency : en
  • GB400386A - Improvements in and connected with hydraulic joints particularly suitable for divingdresses or apparatus : en
  • GB400513A - Improvements in heat exchanging pipes : en
  • FR753771A - Enhancements to Distortion Compensated Amplifiers : en fr
  • GB400466A - Improvements in labyrinth packings : en
  • IE13116L - Purification of gases : en
  • GB400421A - Improvements in motor compressors with free pistons : en
  • US1932280A - Method of and means for starting alternating current motors : en
  • US1932189A - Basket liner : en
  • US1932228A - Liquid-density indicator for tanks : en
  • FR753898A - adjustable phase-shift current transformer resistant to electrodynamic forces caused by the most violent short-circuits : en fr
  • FR753965A - : fr
  • GB400400A - An anti-glare device for automobile headlights : en
  • FR753969A - : fr
  • GB400308A - Improvements relating to the oiling or moistening of cotton and other fibrous materials during scutching or opening : en
  • GB400493A - Improvements in or relating to metal cutting machines : en
  • FR753960A - : fr
  • GB400601A - Improvements in burglarproof coffers or safes : en
  • US1931874A - Electron discharge device : en
  • US1931902A - Mold making machine : en
  • US1931659A - Optical testing device : en
  • US1931524A - Leg guard : en
  • GB400623A - Improvements in or relating to circular knitting machines : en
  • DE586636C - Overcurrent switch in the form of a screw plug with electromagnetic spark extinction : de en
  • DE586788C - Method and device for the production of hollow stones with several hollow spaces divided by transverse walls : de en
  • DE586660C - Device for controlling electrical machines : de en
  • DE587042C - Device for automatic switching of the ribbon length movement on typewriters : de en
  • DE586695C - Brake stand for checking the effectiveness of the brakes on a motor vehicle : de en
  • FR753915A - : fr
  • US1931613A - Carburetor : en
  • US1931896A - Thermostatic fluid mixing valve : en
  • DE586772C - Sewing machine with iron base : de en
  • DE586887C - Overhead line : de en
  • DE586928C - Fuel pump for injection internal combustion engines : de en
  • DE587060C - Motor drive for a tap changer on tap transformers : de en
  • AT135147B - Irrigation device for cultures. : de en
  • CA336679A - Rubber thread or filament manufacture : en fr
  • FR753724A - Device for starting mopeds when stationary : en fr
  • DE586743C - Process for the production of organic fertilizers : de en
  • DE586782C - Locking device for shutters or the like. : de en
  • US1931507A - Circuit breaker : en
  • US1931673A - Method of treating latex and product produced thereby : en
  • US1932181A - Pencil sharpener : en
  • CA336519A - Sheet piling element : en fr
  • GB400373A - Brushes and the like with flexible backs : en
  • GB400563A - Improved pattern-grading machine : en
  • CA336521A - Draft equalizer : en fr
  • CA336569A - Rubber dispersion article manufacture : en fr
  • GB400347A - Improvements in or relating to sorting devices for rapid sorting of office papers andany small articles : en
  • FR754023A - : fr
  • GB400307A - Improvements relating to switch apparatus for the control of electric circuits : en
  • DE586712C - Mobile concrete mixer : de en
  • DE586916C - Valve control for two-chamber gas meter and tilting mechanism : de en
  • DE587055C - Device for automatic control of the power transfer between two networks coupled by a frequency converter group : de en
  • US1931824A - Pin setting and ball returning device : en
  • GB400402A - Improvements in and relating to swaging hammers : en
  • FR754014A - : fr
  • GB400562A - Sewing machine : en
  • FR753765A - Electromagnetic clutch system for air pump intended to actuate horns in automobiles or for other uses : en fr
  • FR753844A - : fr
  • DE586878C - Process for the preparation of condensation products from aromatic hydrocarbons : de en
  • US1931754A - Apparatus for coloring and drying roofing granules : en
  • US1931736A - Muffler : en
  • DE586754C - Overload bars, fuse cartridge : de en
  • DE586795C - Process for the production of lightweight stones, wall plaster and insulating materials against noise and heat : de en
  • FR753791A - Process for duplicating originals in communicative ink : en fr
  • FR753712A - Bell piano : en fr
  • FR753822A - Electric tachometer : en fr
  • FR753886A - : fr
  • GB400455A - Automatic balances or weighing machines : en
  • US1931720A - Instrument for treating infection of the pharynx and eustachian tubes and lateral fissures of the pharynx : en
  • US1931738A - Window regulator : en
  • GB400260A - Improvements in or relating to bearings : en
  • DE586704C - Test and alarm device for automatic fire extinguishing systems : de en
  • FR753976A - : fr
  • AU1489633A - Process for recovery of metals from ixidic or oxide-bearing materials : en
  • GB400336A - Improvements in and relating to braces for personal wear : en
  • US1931866A - Gain control circuits : en
  • US1932047A - Feeler mechanism for looms : en
  • US1932081A - Safety control equipment : en
  • AT135155B - Chimney top. : de en
  • US1932071A - Thermostatic heat control switch : en
  • AU972932A - Improvements in or relating to waterproofing compositions, and their application : en
  • US1931628A - Apparatus for conveying glass sheets : en
  • CA336525A - Refuse disposal : en fr
  • AT135008B - Process for drying fuels. : de en
  • CA336603A - Pressure gauge : en fr
  • CA336584A - Organic nitrate stabilization : en fr
  • DE586652C - Method and device for heating hollow drills : de en
  • AT135170B - Abdominal wall holder. : de en
  • AT135013B - Scythe blade attachment. : de en
  • US1931521A - Folding display : en
  • US1931997A - Elevator apparatus : en
  • US1931821A - Dyestuff of the anthanthrone series : en
  • US1931837A - Internal combustion motor control : en
  • DE586773C - Workpiece holder : de en
  • US1931589A - Gas burner : en
  • AT135018B - Pig or similar feed trough. : de en
  • AT134971B - Washing device. : de en
  • CA336606A - Engine starter : en fr
  • DE586364C - Lighting system with time remote switch : de en
  • AT135061B - Protective shield for the protruding door bolt. : de en
  • AU1096433A - Safety razors : en
  • CA336578A - Rubber preserving method : en fr
  • AT135151B - Pyrophoric lighter. : de en
  • CA336528A - Ammonia and hydrogen sulphide separation from gas : en fr
  • CA336605A - Photographic negative system : en fr
  • DE586915C - Device for operating the immersion legs used to measure the fluid level in boreholes and the borehole depth : de en
  • US1932262A - White leather cleaner : en
  • DE586568C - Ink filling device : de en
  • DE586584C - Alignment device for letter files with two horizontally in the closed position, jointly tiltable liner and two extension brackets which can be swiveled by 90 ° in the horizontal plane and are connected by a link : de en
  • DE586839C - Cigar, cigarette holder or pipe mouthpiece : de en
  • FR753827A - Rotary pump : en fr
  • AT134986B - Process for converting oxygen-containing organic compounds into oxygen-free substances. : de en
  • AT135009B - Incubator. : de en
  • CA336682A - Aliphatic acid and ester production : en fr
  • DE586609C - Wooden windows with wings that can be opened outwards and inwards : de en
  • DE586661C - Device for reducing oscillations in the moving system of rapid regulators : de en
  • CA336547A - Can opener : en fr
  • AT135189B - Text writing addition machine. : de en
  • DE586518C - Typewriter tab device : de en
  • DE586747C - Chiller : de en
  • FR753841A - : fr
  • US1931958A - Molding mixture and molded article : en
  • USD90933S - Design fob a curb sign : en
  • US1931796A - Door hanger : en
  • CA336517A - Tobacco pipe : en fr
  • GB400596A - Improvements in shoes or rests for securing wooden joists to concrete floors : en
  • GB400602A - Improvements in revolving doors and the like : en
  • AU981332A - Improvements in rocking grates for furnaces : en
  • GB400294A - Improvements in and relating to electric regulating systems : en
  • GB400934A - Improvements relating to the conversion of electric currents : en
  • DE586387C - Blind reading machine : de en
  • DE586724C - Device for limiting short-circuit currents : de en
  • DE586922C - Rotary tiller with resilient tools : de en
  • DE586604C - Cylinder lubrication for compressors : de en
  • DE586863C - Device for generating and transmitting control currents of a certain frequency, in particular on power lines, for operating resonance relays : de en
  • GB400477A - Improvements in or relating to road paving and like blocks : en
  • GB400631A - Improvements in or relating to the manufacture of artificial straw, ribbons and likeproducts : en
  • FR753981A - : fr
  • CA336553A - Mirror for trucks : en fr
  • US1931860A - Material handling apparatus : en
  • CA336566A - Lamp shade : en fr
  • CA336581A - Multiply paper sheet : en fr
  • DE586653C - Equipment for chamber or long ovens with several rotating platforms for the temporary treatment of workpieces with simultaneously larger length and width dimensions : de en
  • GB400253A - Improvements in or relating to high pressure lubrication fittings : en
  • US1931538A - Ironing machine : en
  • US1931985A - Grain measuring device : en
  • US1931496A - Centrifugal machine : en
  • US1931934A - Vise and securing means therefor : en
  • US1932265A - Lamp assembly means : en
  • AT135135B - Extinguishing chamber for water switch. : de en
  • AT134988B - Synthetic resins and products made therefrom, and processes for their manufacture. : de en
  • AT135026B - Double-acting automatic valve, in particular for hydraulic braking devices in motor vehicles. : de en
  • GB400440A - Improvements in or relating to microphones : en
  • DE586923C - Adjustment device for the working depth of agricultural equipment with cranked wheel axles and automatic frame raising and lowering : de en
  • US1931715A - Key fastener : en
  • FR753722A - Improvements to isobarometric devices for filling containers, such as bottles, with pressurized liquid : en fr
  • US1932072A - Shoring, jacking, and scaffolding method and means : en
  • AT135074B - Device for the remote transmission of pointer positions. : de en
  • US1931833A - Compressor : en
  • US1931914A - Magnetically operated switch : en
  • FR753738A - Improvement to devices for waving eyelashes : en fr
  • GB400462A - Improvements in or relating to apertured screens, guards, floors and the like (openwork surfaces) for use with birds : en
  • US1931568A - Bathtub drain : en
  • FR753793A - Rocking seat improvements : en fr
  • GB400452A - Manufacture of cyclopentenyl compounds of malonic acid derivatives : en
  • CA336616A - Sulphur production : en fr
  • DE586517C - Sheet stacker for folded pieces or the like in portrait position : de en
  • DE587037C - Process for the production of oily to resinous condensation products : de en
  • US1931564A - Elevator control system : en
  • US1931775A - Electric switch for automobile signal switches : en
  • CA336572A - Engine starter : en fr
  • FR753941A - : fr
  • GB400548A - Improvements in apparatus for the carding or opening of rubbercoated fibres : en
  • US1931802A - Neck sealing means for collapsible tubes : en
  • CA336518A - Gasoline filter : en fr
  • CA336541A - Stove pipe hanger : en fr
  • FR754029A - : fr
  • AT135034B - Tires for motor vehicles and bicycles. : de en
  • CA336532A - Lawn mower sharpener : en fr
  • CA336623A - Coating composition : en fr
  • US1932184A - Freezing unit for household refrigerators : en
  • US1931818A - Water purifying apparatus : en
  • US1931972A - Carbonization apparatus : en
  • US1931760A - Shearing machine : en
  • US1931816A - System of brief typed phonetic transcription of speech sounds : en
  • US1931987A - Electron discharge tube : en
  • DE587058C - Procedure for determining the content of dust or foreign bodies in liquids or gases : de en
  • GB400277A - Improvements in or relating to inductance coils and methods of manufacture thereof : en
  • GB400324A - Safety doors such as are required in passenger vehicles and buildings, that require quick exits, and such like doors : en
  • GB400250A - Improvements in fuel-injection pumps for internal combustion engines : en
  • FR753951A - : fr
  • US1931522A - Endless track for vehicles : en
  • US1931642A - Transmitting valve with alpha cooling device : en
  • CA336568A - Tar processing : en fr
  • CA336628A - Gas meter hanger and tamplet : en fr
  • US1931632A - Laundry tub : en
  • US1931511A - Frame : en
  • US1931585A - Method and means for molding articulated articles : en
  • DE586594C - Signal system with several vibration contacts of different natural frequencies : de en
  • US1931968A - Means for actuating water softeners : en
  • US1932360A - Fishing reel : en
  • FR753964A - : fr
  • AT134967B - Sliding grate for dry gas meters. : de en
  • CA336663A - Vibration translating device : en fr
  • US1932297A - Lighting fixture : en
  • DK47898C - Vehicle wheels with detachable wheel ring. : da en
  • FR753832A - : fr
  • DE586812C - Three-stage switch operated by push buttons or toggle levers : de en
  • DE586722C - Elastic journal bearing for shafts, especially of watches and other precision instruments : de en
  • DK47916C - Procedure for Making Resitols. : da en
  • DK47896C - Double-acting combustion engine. : da en
  • FR753845A - : fr
  • FR753937A - : fr
  • FR753987A - : fr
  • FR754004A - : fr
  • GB400613A - Apparatus for obtaining or recovering oils or greases : en
  • FR753989A - : fr
  • FR753760A - : fr
  • GB400279A - Improvements in or relating to directional wireless signalling : en
  • GB400492A - Flexible means for locking against axial movement rotatable pins, particularly piston- or gudgeon pins or the like : en
  • DE586472C - Circular knitting machine with eccentrically mounted carrier for the thread guides : de en
  • DE586713C - Cores for hollow stone mouthpieces : de en
  • GB400620A - Improvements in sand and like interceptors or dirt traps, more particularly intendedfor use in electrical earthing tubes : en
  • GB400532A - Improved process of and apparatus for trueing up and polishing metal surfaces : en
  • DE587010C - Glass paving stone for advertising and marking purposes : de en
  • GB400327A - Improvements in golf and other playing balls : en
  • GB400478A - Improvements in toy animals, automobiles and the like propelled by the rider : en
  • DE586792C - Fine adjustment, especially for electric pulley blocks : de en
  • DE586980C - Cover for collector vessels : de en
  • FR753737A - Advanced liferaft : en fr
  • GB400514A - Method of and instruments for determining the time of exposure for photography : en
  • GB400936A - An improved pcuring attachment for barrels, drums and like containers : en
  • DE586787C - Device for overturning a tobacco mixture consisting of larger and smaller leaf pieces : de en
  • FR753993A - : fr
  • FR754006A - : fr
  • DE586840C - Starter control for injection internal combustion engines : de en
  • AT134975B - Window cleaning device. : de en
  • FR754045A - : fr
  • GB400953A - Apparatus for the protection of the contents of shop windows and the like and cashiers in banks and the like from theft or attack : en
  • AT135089B - Photographic apparatus. : de en
  • CA336509A - Rotary valve for engines : en fr
  • CA336565A - Pulp hydrator : en fr
  • DE586637C - Wattmetric differential protection relay : de en
  • DK47899C - Launchers for Rifle Grenades or similar Projectiles. : da en
  • FR754035A - : fr
  • FR753823A - Brake shoe device for railways, with braking produced automatically by the weight of the vehicles : en fr
  • GB400535A - Improvements in the manufacture of tiles or slabs from ceramic, earthenware, or the like material : en
  • US1931839A - Automatic pressure pump : en
  • US1931966A - Bathing cap : en
  • US1932381A - Method of treating lubricating oils and the products resulting therefrom : en
  • CA336543A - Ornamented tire rim : en fr
  • CA336646A - Metal filament : en fr
  • DE586941C - Wind catcher for ship windows : de en
  • DE586688C - Tool for making tire coats grip : de en
  • FR754050A - : fr
  • AT134995B - Process for the preparation of acetic anhydride. : de en
  • FR754040A - : fr
  • AT135083B - Method and device for optical text reproduction in image sound films. : de en
  • DE586471C - Control device for the thread guide rails of cotton knitting machines : de en
  • AT135040B - Automatic adjustment device for vehicle brakes. : de en
  • AU831532A - An improved windscreen wiper for automobiles andthe like : en
  • CA336534A - Selective control device : en fr
  • FR754003A - : fr
  • GB400471A - Improvements in or relating to railway signalling systems : en
  • AT135078B - Device for the continuous automatic adjustment of a direct current which is proportional to a given, time-varying direct current. : de en
  • AT135019B - Tobacco storage box. : de en
  • AU962632A - Improvements in or relating to shoe-upper conforming machines : en
  • DE586723C - Device for regrinding the armature and the escape wheel and balance stones : de en
  • DE586895C - Device for commutator cooling of electrical machines : de en
  • AT135070B - Gas cooker. : de en
  • DE586819C - Electric hot air shower with housing made of insulating material : de en
  • USD90908S - Combined bar cabinet and mantel : en
  • US1931510A - Smoking tobacco pipe : en
  • US1931581A - Push button control for alpha bank of elevators : en
  • US1931908A - Cracker bowl : en
  • AT134962B - Device for dispensing toothpicks. : de en
  • AT135064B - Flat pack reflector lamp. : de en
  • AU918732A - Improvements in footwear : en
  • CA336515A - Book holder : en fr
  • US1931573A - Process of making and applying artificial stone surfaces : en
  • US1931749A - Method of and apparatus for treating stereotype matrices : en
  • AU868832A - An improved motor for wind shield wipers of automobiles or the like : en
  • AT135186B - Electric discharge lamp. : de en
  • DE586990C - Arrangement in vacuum vessels : de en
  • DE586399C - Book stitching machine : de en
  • DE587043C - Voltage fuse : de en
  • AT134966B - Pressure gauge, preferably with a float bell, for gases or vapors. : de en
  • AT135163B - Method of radiating high frequency energy. : de en
  • CA336627A - Road surfacing composition : en fr
  • US1932089A - Flotation cell structure : en
  • US1931576A - Hog-ringing tool : en
  • US1932196A - Throttle valve : en
  • US1931862A - High tension switch : en
  • US1932266A - Apparatus for making seamless tubular articles : en
  • US1931850A - Hood catch : en
  • CA336625A - Chaser holder : en fr
  • CA336676A - Honey uncapping knife : en fr
  • GB400564A - Improvements in and relating to blades for electric fans : en
  • US1931797A - Orifice fitting : en
  • US1932003A - Refrigerator cabinet : en
  • US1932061A - Circuit breaker : en
  • DK47927C - Device for Regulating the Emitted Power from Drives to Electrical Installations. : da en
  • AT134987B - Process for the production of goods from aqueous dispersions of rubber, gutta-percha, balata or similar substances. : de en
  • CA336607A - Engine starter : en fr
  • US1932139A - Mattress and mattress cover : en
  • AT135005B - Process for the production of porous rubber compounds. : de en
  • US1931774A - Contactor : en
  • US1932048A - Doorlatch spindle : en
  • US1932122A - Cabinet bath : en
  • US1932212A - Fuse carrier : en
  • AT135183B - Intermediate frequency heterodyne receiver. : de en
  • US1932365A - Refining of crude benzol : en
  • US1931638A - Apparatus for manufacturing tires : en
  • US1931799A - Method of and apparatus for controlling electric circuits : en
  • US1931957A - Composite shoe heel : en
  • DE586292C - Rotary piston internal combustion engine with auxiliary fluid : de en
  • GB400622A - Improvements appertaining to gill-boxes for use in the treatment of fibrous substances : en
  • AT135142B - Ironless induction furnace built into a holder made of magnetic material. : de en
  • AT135193B - Pull fuse packing tape. : de en
  • AT135022B - Motor vehicle with a low body floor. : de en
  • AT135166B - Ligature clamp. : de en
  • AU957232A - Improvements relating to the coating of are welding electrodes : en
  • DE586336C - Circuit arrangement for telephone systems with dialer operation and several exchanges and surge stores : de en
  • US1932094A - Aerial vehicle and braking system therefor : en
  • AT135100B - Ring binder mechanism. : de en
  • US1931531A - Flexible trackway : en
  • US1932116A - Sewing machine attachment : en
  • US1931815A - Penumatic lift : en
  • FR753925A - : fr
  • US1931829A - System for reproduction of sound by means of light-sensitive cells : en
  • US1931639A - Superheater : en
  • US1932277A - Advertising device : en
  • US1931785A - Sorting and classifying mechanism : en
  • US1931744A - Spring assembly : en
  • USD90914S - Design for an embroidered textile : en
  • GB400605A - Improvements in, and relating to, resistor elements for use in electric resistance furnaces : en
  • AT135133B - Heat-resistant insulated electrical cable. : de en
  • US1931528A - Coating machine : en
  • US1931907A - Die casting machine for motor pistons : en
  • US1932024A - Timing device for glass machinery : en
  • DE586677C - Method for expanding knitted fabrics on flat weft knitting machines : de en
  • DE586824C - Device for the production of rayon according to the draw spinning process with two moving, chemically different precipitating liquids : de en
  • AT135039B - Support arm for the brake control valve of railway vehicles with a shut-off valve. : de en
  • US1931640A - Face-plate : en
  • CA336539A - Window : en fr
  • US1931808A - Rope sling : en
  • FR753910A - : fr
  • IE12729L - Hydrogenation of carbonaceous materials. : en
  • GB400301A - Improvements relating to electrically heated overlays, mattresses, pads, blankets, and the like : en
  • GB400479A - Improvements in or relating to brassieres : en
  • GB400326A - Adjustable supporting means for furniture : en
  • DE586937C - Device for displaying a lighting system for bicycles : de en
  • FR753955A - : fr
  • FR753928A - : fr
  • DE586830C - writing desk : de en
  • US1932138A - Method of making signs : en
  • US1932151A - Knitting machine and the production of fabrics thereon : en
  • US1931487A - Automatic phonograph : en
  • GB400459A - A device for covering closet seats with a paper guard : en
  • DE545226C - Internal combustion engine with cylinders arranged in a star shape : de en
  • US1931891A - Divider for drawers : en
  • FR753850A - : fr
  • DE586948C - Toy vehicle with electrical control, all movements of which are controlled from a fixed location : de en
  • GB400393A - Improvements in and relating to weirs or sluice valves : en
  • GB400417A - Improvements relating to fluid delivery pumps for use with bottles and like containers : en
  • GB400540A - Supporting construction for bicycles, motor cycles and other two wheel vehicles : en
  • FR753803A - Dual drive wheel system : en fr
  • FR753999A - : fr
  • GB400335A - Improvements in and relating to methods of deep sea fishing and apparatus for use therein : en
  • CA336687A - Article arranging apparatus : en fr
  • FR753752A - Process for the preparation of products intended to facilitate wetting, washing and emulsifying or dispersing : en fr
  • GB400463A - Improvements in or relating to motor road vehicles : en
  • GB400314A - Improvements in or relating to advertising or display apparatus : en
  • FR753826A - Outerwear, swim suits, sweaters, etc. : en fr
  • FR753853A - : fr
  • GB400927A - Improvements in draught producers for furnaces : en
  • GB400361A - Improvements in hand irons : en
  • AT135110B - Arrangement on electrical musical instruments. : de en
  • DE586900C - Device for measuring short-term electrical quantities, in particular short-term electrical voltages : de en
  • GB400469A - Electric igniter, adapted also for use for pyroengraving, thermocauterising and similar purposes : en
  • FR753908A - : fr
  • DE586888C - Arrangement for damping the mechanical vibrations of overhead lines : de en
  • DE587045C - Device for drinking and drying cables : de en
  • DE586709C - Machine for embossing or stamping leather u. Like., In particular for footwear : de en
  • DE586714C - Turning form : de en
  • DE586825C - Metal spinning bobbin, especially for rayon, and method for making such a bobbin : de en
  • FR754015A - : fr
  • GB400362A - Improvements in fishing reels : en
  • GB400423A - Improvements in or relating to flying boats : en
  • US1931804A - Method of making artificial dentures : en
  • US1932193A - Lighter : en
  • DE586796C - corset : de en
  • GB400252A - An improved method of and means for superheating steam : en
  • GB400342A - Discharging and distributing mechanism for concrete mixers : en
  • DE586911C - Device to limit the pressure of compressed air filling in unvulcanized rubber hoses : de en
  • DE587030C - Bogie with longitudinal weighing leaf springs with adjusting devices : de en
  • FR753731A - Lifting trolley for automobiles : en fr
  • GB400485A - Apparatus for table game : en
  • FR753775A - Method and apparatus for gas distribution : en fr
  • GB400456A - Improved steering wheel and steering shaft connecting and disconnecting device for motor cars : en
  • US1931900A - Automatic lock nut : en
  • US1932038A - Elevator-control system : en
  • US1932090A - Circuit breaker : en
  • US1931536A - Process for recovering and utilizing values from black liquor : en
  • US1932192A - Window cleaning device : en
  • US1932374A - Machine tool : en
  • DE586628C - Device for making contact at elevated temperatures, especially for signaling devices (fire alarms) : de en
  • DK47926C - Device by Central Heating Boilers and the like with a Fireplace with Filling Shaft located in front of the Boiler. : da en
  • US1931535A - Drilling mechanism : en
  • US1932128A - Dry battery : en
  • GB400536A - Front suspension for independent wheels of motor road vehicles : en
  • AT134989B - Process for refining carbon-containing substances. : de en
  • FR753930A - : fr
  • FR753996A - : fr
  • FR753882A - : fr
  • FR753725A - Hygienic bottle : en fr
  • FR753768A - Cork folder for fishing lines : en fr
  • FR753962A - : fr
  • US1932097A - Washing machine and the like : en
  • US1932148A - Mixing valve : en
  • US1932154A - Holder for advertising devices, showcards, and other articles : en
  • US1931497A - Glass blowing machine : en
  • US1931598A - Pilot wire regulator system : en
  • US1931836A - Water soluble azodyestuffs : en
  • DE586738C - Wire stapling machine for the production of staples with adjustable back length : de en
  • US1931781A - Flow control device : en
  • US1931979A - Perforating machine : en
  • US1932288A - Wringer : en
  • DE586965C - Device on presses or the like for feeding the metal sheets to be processed to the tool : de en
  • US1932159A - Gauge : en
  • FR753801A - Liquid fuel pump with overflow adjustment : en fr
  • GB400263A - Improvements in and relating to cut-outs for series connected electric lamps or the like : en
  • US1932067A - Process of producing well-conducting electric connections between a layer of a metalcompound and a coating of a ductile metal applied to it : en
  • DE586894C - Encapsulated electrical machine with self-ventilation : de en
  • US1931675A - Automatic clutch lock-out device : en
  • FR753982A - : fr
  • FR753990A - : fr
  • GB400317A - Improvements relating to shutters, grilles and the like : en
  • GB400443A - Improvements relating to filters for petrol and other liquid fuel : en
  • US1932270A - Surgical belt : en
  • DE586622C - Process for the production of platinum metal fittings : de en
  • DE586573C - Device for removing floating Klaerrueckstaenden from settling basins : de en
  • GB400303A - Improvements in or relating to tracer mechanism for metal cutting and like copying machines : en
  • FR753704A - Board game : en fr
  • GB400368A - Improvements in devices comprising a gasfilled electric discharge tube having one ormore incandescent electrodes : en
  • DE586711C - Device for dispensing certain amounts of liquid : de en
  • GB400946A - Improved fabrics and other materials and processes for their manufacture : en
  • US1931998A - Combined end thrust and self-aligning supporting bearing : en
  • GB401285A - Improvements in and relating to the manufacture of soap : en
  • USD90907S - Design for a grave marker : en
  • US1932345A - Apparatus for the manufacture of confectionery : en
  • FR753814A - Pylon or mast shaped antenna : en fr
  • DE586578C - Slot-controlled two-stroke internal combustion engine : de en
  • US1931563A - Machine for and method of making shoes : en
  • DE586734C - Device for feeding the wire to automatic upsetting machines : de en
  • DE586956C - Regenerative low-gas or composite coke oven : de en
  • USD90928S - Design fob a goblet ob similar : en
  • GB400450A - Improvements relating to toilet and like mirrors : en
  • GB400625A - Improvements in and relating to train lighting, heating and like electrical installations : en
  • FR754027A - : fr
  • DE586525C - Arrangement for the protection of power lines against short circuit or earth fault by means of the line of superimposed alternating voltages of higher frequency : de en
  • DE587047C - Isolating switch with current loops at the ends of the knife : de en
  • FR754020A - : fr
  • DE586468C - Socket for light bulbs, especially for toy light bulbs : de en
  • DE586917C - Liquid level indicator : de en
  • FR753764A - Counting machine, more particularly applicable to the implementation of a method for automatically marking the tests of candidates for certain types of examination : en fr
  • AT135098B - Umbrella guide for X-ray examination tables and foldable X-ray devices. : de en
  • CA336643A - Acetylene production : en fr
  • US1931485A - Printing composition : en
  • US1931588A - Attachment adapted to be applied to sewing machines for repairing runs in fabrics : en
  • US1931910A - Concealed hinge construction for range doors : en
  • US1932359A - Sound absorbing material : en
  • US1932334A - Hydraulic brake : en
  • US1932366A - Matrix assembler : en
  • CA336626A - Pitch production : en fr
  • FR753779A - Fireplace for solid fuels : en fr
  • US1931814A - Method for insulating and packing pipe connections by inclosure : en
  • US1931965A - Hair drier : en
  • US1932285A - Brake testing apparatus : en
  • US1931755A - Transmission : en
  • US1931871A - Antifriction bearing and mounting : en
  • US1932382A - Low water cut-out : en
  • US1931918A - Check valve : en
  • US1932351A - Method of closing vessels : en
  • AT135047B - Process and device for the production of acid gases from gas mixtures. : de en
  • US1932328A - Condenser frame construction : en
  • US1932239A - Cutting machine : en
  • DE586749C - Oil-throwing ring consisting of several flange rings : de en
  • FR753735A - Needle fixing device, in particular for pick-up : en fr
  • US1931506A - Combination timer and distributor mechanism for ignition systems : en
  • US1931686A - Waxing appliance : en
  • GB400266A - Improvements in or relating to means for preventing the theft of motor road vehicles : en
  • DE586828C - Handle for enlargeable suitcases : de en
  • FR753761A - Improvements to showcases : en fr
  • US1932000A - Clutch spring : en
  • FR753774A - Improvements to cathodic luminescence lamps : en fr
  • FR753896A - : fr
  • DE586978C - High performance microphone : de en
  • US1932168A - Roll for making rolled products and method for producing it : en
  • US1932106A - Portable percussive tool rig : en
  • US1931925A - Mass testing machine : en
  • GB400473A - Improvements in or relating to electrical oscillation generators : en
  • US1931609A - Transfer ejecting and dispensing device : en
  • US1931544A - Baffle for steam and water boiler drums : en
  • US1932115A - Door construction : en
  • DE586744C - Periodic absorption refrigeration machine : de en
  • DE586758C - Toilet seat with a sliding protective strip with seat cutouts : de en
  • DE587003C - Device for removing threaded studs stuck in horseshoes from cleats or handles : de en
  • US1931791A - Control system : en
  • CA336647A - Metallic conductor and filament : en fr
  • DE586544C - Method and device for estimating distance differences between a main target and a secondary target located approximately in the same direction : de en
  • FR753720A - Device for the combustion of illuminating powder for photography : en fr
  • FR753966A - : fr
  • US1931549A - Conversion of solid fuels and products derived therefrom or other materials into valuable liquids : en
  • US1931550A - Conversion of solid fuels and products derived therefrom or other materials into valuable liquids : en
  • US1932059A - Reel : en
  • AT135112B - Roll film camera with viewfinder chamber arranged above the receiving chamber. : de en
  • GB400542A - Improvements in or relating to cherry stemming machines : en
  • GB400552A - Improvements relating to camshaft or other auxiliary shaft casings for internal combustion engines : en
  • FR753977A - : fr
  • GB400371A - Improvements in or relating to refrigerator cabinets : en
  • DE586873C - Arched delay in the pit construction : de en
  • US1932173A - Culinary slicer : en
  • DE586633C - Device for stopping looms in the event of thread breakage, or the like, influenced by the weft guard. : de en
  • US1931555A - Grinding mill : en
  • FR753912A - : fr
  • AT135191B - Catalytic combustion burners. : de en
  • GB400302A - Improvements relating to herbal preparations, more particularly applicable as an external remedy for rheumatic ailments and arthritis : en
  • US1932202A - Investment : en
  • DE586952C - Shake slide connection adjustable in the horizontal plane : de en
  • AT135007B - Process for drying fuels. : de en
  • US1932295A - Price tag holding means : en
  • US1932195A - Bow : en
  • US1932263A - Arc welding : en
  • US1931735A - Shock absorber : en
  • US1932337A - Electrical method of and means for testing materials : en
  • AT135063B - Locking device for the moving barrel of self-loaders. : de en
  • AT135065B - Fall protection for hand grenades. : de en
  • AT135025B - Pneumatic tires for vehicle wheels. : de en
  • US1932218A - Writing desk : en
  • US1931786A - Method of attaching alpha screen : en
  • US1931906A - Furnace pressure control : en
  • US1931920A - Color cinematography and the like : en
  • US1932231A - Propeller type fluid translating device : en
  • US1931961A - High tension generator : en
  • DE586817C - Method for regulating the focal point for X-ray tubes by changing the emitting glow cathode surface : de en
  • AT134973B - Removable baking sheet handle. : de en
  • DE586831C - School desk : de en
  • DE587067C - Waist belt : de en
  • US1931996A - Dishwasher : en
  • CA336620A - Sound reproducer : en fr
  • CA336658A - Ore separator : en fr
  • US1932298A - Mold for chocolate articles : en
  • US1931617A - Attachment for machines for making clay shingles : en
  • AT135111B - Switchgear with acknowledgment switch for remote monitoring of the position of electrical switching devices or analog devices. : de en
  • DE586533C - Step grate : de en
  • DE587004C - Power connection by means of metal rails for two-pole glow plugs : de en
  • DK47918C - Heat meter. : da en
  • US1931610A - Electric cable and method of preparing same : en
  • AT134965B - Device for cutting cheese. : de en
  • AT135113B - Women's trousers combined with underpants. : de en
  • US1931886A - Acoustic apparatus : en
  • AT134993B - Process for the production of colloidal solutions or emulsions of mineral oil in water, particularly suitable for use in the textile industry. : de en
  • CA336653A - Grease manufacture : en fr
  • DE586966C - Tool for making the connection of sheets used for the construction of aircraft or the like : de en
  • US1931858A - Production of unsaturated ethers : en
  • DE587036C - Process for separating from the acid the precipitates obtained in the precipitation of arsenic as sulphide from acids : de en
  • AT135042B - Elastic impeller moving against the axis. : de en
  • CA336585A - Rubber product manufacture : en fr
  • DE587025C - Application device from a pneumatic conveyor line : de en
  • GB400278A - Improvements in lithographic printing machines : en
  • US1931635A - Combined lens rim joint and noseguard connection for eyeglass frames : en
  • US1931899A - Washer : en
  • US1932252A - Process of producing alloys : en
  • CA336559A - Seed grain treating composition : en fr
  • DE586673C - Device for burning off glossy black deposits on metal (boiler) surfaces with oxygen : de en
  • CA336619A - Hydrous dextrose : en fr
  • DE586156C - Method and device for the production of hollow bodies from fibrous material by depositing a fibrous material layer of fibrous material water on a permeable wall : de en
  • US1931927A - Diffusion flame combustion using liquid fuel : en
  • USD90925S - Design for a combination tractor : en
  • AT135159B - Cutting machine for fabrics or the like. : de en
  • DE586972C - Production of caustic soda : de en
  • AT135079B - Tool for creating a sole crack to insert the yarn. : de en
  • DE586719C - Clock with rattle lift and dust-proof movement cap : de en
  • DE587009C - Boiling pan heated on one side : de en
  • FR754042A - : fr
  • USD90910S - Design fob an eyeglass case ob : en
  • US1932357A - Formation of characters for the stamping of bodies intended to be hardened by heat treatment : en
  • CA336684A - Loom : en fr
  • DK47894C - Synchronous Electric Motor and Remote Control System. : da en
  • US1931652A - Hydraulically operated feed mechanism for high speed machines : en
  • US1931769A - Casting apparatus : en
  • DE586764C - Device for sorting and cleaning grain with a vertical sifter and an air pre-cleaning system : de en
  • GB400296A - Improvements in sewing machines : en
  • FR753789A - Metal saw : en fr
  • FR753798A - Propulsion device for cycles : en fr
  • GB400293A - Improvements in electric switches with quick make and break action : en
  • FR753759A - Device for fixing a female part to the open end of another part and its applications : en fr
  • DE586999C - Deck chair with a floating panel of fabric attached at the ends : de en
  • FR753824A - Automatically developing photographic film and film strip : en fr
  • GB400575A - Improvements in or relating to aircraft : en
  • GB400942A - Improvements in and relating to the honing or grinding of the bores of cylinders : en
  • US1932185A - Automatic chuck for billets and the like : en
  • DE586832C - Edge connection for furniture that can be dismantled : de en
  • DE586930C - Installation on fall stirrup regulators : de en
  • US1932364A - Apparatus for preparing metallic chlorides : en
  • CA336567A - Aluminum electroplating : en fr
  • FR753932A - : fr
  • AT135059B - Procedure and equipment for the ventilation of all types of indoor spaces. : de en
  • CA336630A - Gas meter hanger : en fr
  • CA336608A - High tension coil : en fr
  • CA336668A - Tertiary nitrile production : en fr
  • DE586554C - Slip ring seal with axially movable, circumferential sealing ring : de en
  • DE586687C - Multiple chain milling machine : de en
  • US1931806A - Process for the production of sulphuric esters of nitrogen-containing organic compounds : en
  • AT135171B - Electric discharge tube. : de en
  • US1931629A - Method of and machine for sealing seams : en
  • US1932171A - Radio apparatus : en
  • DE586526C - High voltage transformer, especially voltage transducer : de en
  • USRE18979E - golber : en
  • AT135055B - Device to increase the draft on stoves with heat storage and storage fireplace for solid fuel. : de en
  • AT135073B - Electric tube in letter or character form. : de en
  • FR753766A - Method and device for twisting at high twist, in a single operation, all kinds of yarns on twisting machines in which the twist is given by the unwinding spindle : en fr
  • US1932113A - Pipe wrench : en
  • CA336645A - Refractory alloy : en fr
  • US1931726A - Mounting : en
  • GB400339A - Improvements in and relating to electric regulating resistances : en
  • GB400527A - Improvements in coin-exchanging mechanism : en
  • GB400573A - Improvements in and relating to sorting systems : en
  • DE586800C - Process for the production of pure polynuclear aromatic hydrocarbons : de en
  • US1931599A - Charge forming device : en
  • USD90929S - Design for a toy fire engine : en
  • US1931739A - Clip for sectional silos : en
  • US1932004A - Headwear : en
  • US1932208A - Cleaning and scrubbing machine : en
  • US1932303A - Raising and lowering device : en
  • US1931841A - Golf practice apparatus : en
  • US1931656A - Control apparatus : en
  • US1931566A - Automatic rotary numbering machine : en
  • DE586763C - Pen slide, especially for ten key calculators : de en
  • US1931516A - Internal brake for motor vehicle wheels : en
  • US1931655A - Clutch means : en
  • US1931795A - Insulating material and process of manufacture of same : en
  • AT135037B - Suspension saddles, in particular for bicycles. : de en
  • US1932372A - Tag : en
  • US1931649A - Valve stem : en
  • DE586912C - Grate bar for round Dwight-Lloyd apparatus : de en
  • GB400395A - Improvements relating to processes for improving ferromagnetic alloys : en
  • US1931514A - Typewriting machine : en
  • CA336586A - Rubber vulcanization : en fr
  • US1932162A - Refrigerator van : en
  • US1931810A - Gin rib grinder : en
  • US1931964A - Process for the manufacture of bands of cellular rubber with closed cells : en
  • US1932269A - Temperature control device for oil burners : en
  • US1931619A - Ignition switch control of starter : en
  • AT135114B - Paper money receiving and dispensing device for money exchange, remainder reproduction and wage payment registers. : de en
  • DE586731C - Water bolt gate to reduce the effects of mine explosions : de en
  • GB400254A - Improvements in or relating to the electrolytic manufacture of iron and its alloys : en
  • US1931562A - Impermeable suit for chemical warfare : en
  • US1931895A - Apparatus for the determination of sulphur and halogens in combustible substances : en
  • US1932092A - Machine for the manufacture and smoothing of rods : en
  • CA336662A - Telephone substation apparatus : en fr
  • US1931695A - Cabinet latch : en
  • US1931852A - Control method and apparatus : en
  • DE586630C - Timepiece, especially for laboratory purposes : de en
  • US1932267A - Tractor lug guard : en
  • US1932370A - Gas valve construction : en
  • AT135090B - Bridge for string instruments. : de en
  • US1932136A - Apparatus for assembling storage batteries : en
  • USD90924S - Design fob a golf putter head : en
  • US1932206A - Traffic marking device : en
  • FR753744A - Cooled piston rod : en fr
  • FR754025A - : fr
  • DE573011C - Device for lining up tobacco leaves : de en
  • DE586804C - Process for the preparation of 2-oxybenzocarbazoles : de en
  • US1931586A - Display card holder : en
  • US1931608A - Flush valve : en
  • DE586400C - Device for displaying or automatically switching off the effect of X-rays on photographic layers : de en
  • GB400283A - Improvements in or relating to the formation of concrete piles : en
  • DE586535C - Electric lighting device for dental tools : de en
  • GB400311A - Improvements in dust removal apparatus for percussive drills : en
  • FR753957A - : fr
  • US1932014A - Cash fake coin bqx : en
  • DE586654C - Device for spreading tar and similar road building materials with a sling disc : de en
  • US1932103A - Direct-reading pitchometer : en
  • US1932025A - Electrode positive column lamp : en
  • USRE18980E - Smoke washing apparatus : en
  • DE586559C - Process for the production of white wood pulp from spruce wood or other types of wood with a high resin content : de en
  • DE586700C - Sewing machine with electric drive : de en
  • GB400358A - Improvements in or relating to piston heads and piston rods : en
  • AT135045B - Process for improving paints, sealants, emulsions and the like like : de en
  • US1932214A - Sealing device : en
  • US1932287A - Brake-testing apparatus : en
  • USRE18973E - Automatically adjustable continu : en
  • AT135099B - X-ray facility. : de en
  • AT135118B - Voters for broadcast receiving stations. : de en
  • US1932007A - Refrigerating system : en
  • DK47920C - Toothbrush. : da en
  • US1931641A - Notebook : en
  • AT134981B - Cigarette box. : de en
  • US1931937A - Attachment for well pump plungers : en
  • US1932352A - Flashlight switch : en
  • AT135052B - Process for cleaning objects coated with cellulose ester lacquers. : de en
  • AT135106B - Electric signal system. : de en
  • AT135154B - Fourdrinier machine. : de en
  • US1932121A - Track frame stabilizer for tracklaying tractors : en
  • US1931828A - Burial casket : en
  • US1931993A - Internal-combustion engine : en
  • DE587064C - Treatment of gases in rain coolers or washers : de en
  • FR753821A - Advanced two-piston, double-acting pump system : en fr
  • DE586550C - Open fuel nozzle : de en
  • DE586610C - Wall saw : de en
  • DE587012C - Method and device for producing a greaseproof and watertight paper : de en
  • GB400321A - Improvements relating to radio receiving apparatus : en
  • US1931674A - Automatic clutch : en
  • US1932083A - Band splicing machine : en
  • CA336622A - Coating composition : en fr
  • US1932123A - Card holder : en
  • US1932253A - Television system : en
  • GB400502A - Improvements in felts for paper and pasteboard making machines : en
  • AT135067B - Hand lamp. : de en
  • AT135093B - Cash register or accounting machine. : de en
  • US1931714A - Adjustable support for domestic hot water boilers : en
  • US1932036A - Method of making chaplets : en
  • US1932109A - Retainer device for telephone sets : en
  • US1931879A - Method of producing alpha rubber adhesive : en
  • US1932248A - Permanent quick drying writing fluid : en
  • US1931645A - Device for waving and curling hair : en
  • US1931840A - Braille type : en
  • US1932278A - Method of manufacturing nozzle diaphragms and the like : en
  • US1932379A - Method of conditioning air : en
  • DE582501C - Device for mortising sheet metal : de en
  • DE586836C - Switching device, especially for registration instruments and tariff apparatus : de en
  • FR753952A - : fr
  • US1931503A - Refrigerator : en
  • US1931830A - Button sewing machine : en
  • US1931929A - Outside casing cutter : en
  • US1932143A - Permanent magnet support for lamps : en
  • US1931491A - Production of sulphonic acids : en
  • US1931817A - Carbon dioxide recovery apparatus : en
  • US1932249A - Rocking slide : en
  • AT135015B - Bird or the like cage with a sand base formed by an endless roller belt. : de en
  • US1931762A - Closure for containers : en
  • US1931954A - Electrolytic electricity meter : en
  • US1932369A - Removal of sulphur compounds from crude hydrocarbons : en
  • US1932056A - Controlling device : en
  • US1931580A - Protecting system : en
  • DE586627C - Wheel with articulated wheel belt with running blocks : de en
  • DE586689C - Elliptical compass : de en
  • GB400398A - Longitudinal soldering machine for the rounded sheet metal borders or edges of hollow cylindrical bodies : en
  • US1931480A - Cushioning mechanism : en
  • US1931930A - Shoe filler : en
  • US1932078A - Television lamp : en
  • US1932011A - Tool handle : en
  • US1932169A - Container for food products : en
  • AT135190B - Sleeve pin for dental fillings and dentures. : de en
  • US1931846A - Catalytic hydrogenation of nonnitrogenous organic compounds : en
  • CA336571A - Tubular header : en fr
  • US1931688A - Hat block : en
  • US1932031A - Safety device for vehicles : en
  • AU973232A - Improvements in carrier shoes for shearing machine combs : en
  • CA336673A - Car loading device : en fr
  • US1931730A - Means for setting planer heads : en
  • AT135031B - Electric point machine. : de en
  • AT135196B - Process for making multicolor photographic prints. : de en
  • AT135084B - Device for cooling X-ray tubes. : de en
  • AT135119B - Process for improving the smell and taste of fish oils containing vitamins. : de en
  • DE586536C - Model plate frame : de en
  • DE586776C - Universal joint, especially for motor vehicles : de en
  • DE587006C - Clamp for attaching the pipe end to the bending form of a pipe bending machine : de en
  • GB400494A - Improvements in and relating to a signalling device for automobiles or like vehicles : en
  • DK47911C - Device for Smoothing Liquid Flows in Centrifuge Containers. : da en
  • FR753911A - : fr
  • DK47908C - Device for Carrying Supply Cords for Electric Irons, Cookers and the Like. : da en
  • AT135173B - Electric tube. : de en
  • US1931959A - Stove or furnace construction : en
  • CA336589A - Motor-control system : en fr
  • CA336614A - Decorated rubber article : en fr
  • US1931663A - Regulator : en
  • AT135036B - Railway sleeper. : de en
  • AT135109B - Value stamp machine. : de en
  • DE586620C - Method and device for the vibratory excitation of liquid, grainy, dusty or pulpy masses : de en
  • DE586786C - Electrically controlled copy milling machine : de en
  • DE586670C - Fuel for gas generators, the gas of which is used to drive explosion engines : de en
  • CA336516A - Stove : en fr
  • DE586742C - Process for the production of color saturated offset prints : de en
  • FR754047A - : fr
  • US1931722A - Sand-pipe cleaning mechanism : en
  • USD90926S - Design for a game device : en
  • AT135014B - Electric petrol lighter with incombustible torch wick. : de en
  • AU969132A - Improvements in or relating to explosives : en
  • US1931565A - Fruit treating mechanism : en
  • US1931625A - Signal suppresser for automotive radioreceivers : en
  • AT134997B - Process for the production of waterproof cardboard or paper. : de en
  • AT135194B - School desk. : de en
  • CA336527A - Lavatory closet : en fr
  • DE586761C - Optical sound recorder : de en
  • GB400434A - Improvements in or relating to rock-drills : en
  • AT134969B - Device for slicing, in particular canned food. : de en
  • AT135075B - Nailing for mountain boots and mountain shoe nails. : de en
  • US1931757A - Process for cracking hydrocarbon oils : en
  • US1932029A - Motion picture apparatus : en
  • US1932346A - Figure toy : en
  • US1932363A - Lock : en
  • FR753757A - Veneer assembly machine : en fr
  • GB400519A - Tyre covers : en
  • GB400618A - Improvements in or relating to suction nozzles for vacuum cleaning apparatus : en
  • FR753903A - : fr
  • GB400567A - Improvements in padlocks : en
  • GB400233A - Improvements in, or relating to, static electric transformers, and to the application of such transformers to cooking stoves, cooking utensils, and the like : en
  • GB400365A - Improvements in curtain runners : en
  • DE586678C - Knitting machine with latch needles : de en
  • DE586721C - Balance cock with back hand : de en
  • DE586886C - Process for the production of electrical insulating materials : de en
  • US1932076A - Plant for utilizing waste heat : en
  • FR753975A - : fr
  • GB400945A - Improvements relating to yarn winding, doubling and like machines : en
  • FR753743A - Method and device for examining electrical conductors : en fr
  • FR753783A - Continuous furnace for carbonization and distillation : en fr
  • GB400298A - A method of making imitation brick, tile, roughcast and other surfaces of buildings : en
  • DE586958C - Bandage with glue applied to the longitudinal edge : de en
  • US1931783A - Road ripper : en
  • GB400271A - Improvements relating to methods of manufacturing loaded electrical conductors : en
  • GB400389A - Improvements in arc-preventing devices for multi-phase lever switches : en
  • DE586867C - Push button : de en
  • DE586882C - Steering axle arrangement with control rods leading from axle to axle : de en
  • DE587017C - Valve arrangement for a vacuum brake device, in particular for motor vehicles : de en
  • FR753715A - Device for photographic printer : en fr
  • GB400387A - Improvements in the manufacture and production of masses for the purification of gases : en
  • GB400391A - Improvements in sluice weirs and the like : en
  • DK47914C - Device by the Trigger Mechanism for Vending Machines. : da en
  • GB400628A - Improvements in or relating to hydrogenation of carbonaceous materials : en
  • FR754012A - : fr
  • GB400608A - Improvements relating to boots or shoes, having out-turned uppers : en
  • US1932008A - Locomotive structure : en
  • GB400353A - Improvements in and relating to cartons or like containers for liquids, powders or the like : en
  • GB400355A - Improvements in toy building bricks or elements : en
  • GB400487A - Locking device for savings boxes : en
  • GB400667A - Improvements in safety devices for projectile fuzes : en
  • CA336592A - Piston seal : en fr
  • US1932305A - Surfacing apparatus : en
  • US1932344A - Automatic seamless hosiery machine : en
  • FR753716A - Device of a photographic paper rack : en fr
  • GB400509A - Improvements in or relating to sockets for plug and socket contacts : en
  • DE586639C - Process for resetting and regeneration of chlorine-containing melting fluxes when covering hot-melt soft metal baths : de en
  • DE586789C - Hanging centrifugal drum : de en
  • DE587038C - Locking device of a die setting and line casting machine : de en
  • US1931940A - Mine hoist control : en
  • GB400554A - Knee-control mechanisms for electric sewing machines : en
  • GB400612A - Improvements in fuzes for projectiles : en
  • GB400496A - Improvements in tunnel kilns : en
  • US1931606A - Toy railroad : en
  • US1932211A - Package opener and cigar cutter : en
  • FR753874A - : fr
  • US1931684A - Method of grinding cutters : en
  • DK47925C - Procedure and Apparatus for Growing Microorganisms. : da en
  • FR753869A - : fr
  • GB400556A - Improvements in or relating to track circuit signalling systems : en
  • GB400634A - Improvements relating to electric converting apparatus : en
  • US1931668A - Multiple motion picture projection : en
  • DE586842C - Device on paper bag machines for producing the floor square : de en
  • DE586272C - Circular knitting machine with pattern device : de en
  • FR753787A - Draining plate for plates : en fr
  • GB400439A - Improved process for the production of regenerated wood from wood powders : en
  • USD90923S - moloney : en
  • FR753721A - Brakes improvements : en fr
  • GB400474A - Improvements in bags for golf clubs : en
  • DE586775C - Magnesium lamp : de en
  • FR753923A - : fr
  • FR753948A - : fr
  • GB400383A - Improvements in slicing machines : en
  • GB400550A - Improvements in or relating to cigarette or cigar holders and in ash receptacles adapted for attachment to such holders : en
  • US1931733A - Sealing device : en
  • FR753711A - Water sport apparatus : en fr
  • GB400345A - An improved machine for classifying or automatically sorting or separating plates or other articles or materials according to weight : en
  • DE586938C - Process for the application of explanatory texts on positive cinematographic sound or speech films : de en
  • DE586989C - Electrical discharge vessel : de en
  • FR753900A - : fr
  • DE586860C - Pneumatic tube system with turning operation : de en
  • GB400577A - Arrangement in washing apparatus : en
  • DE586619C - Stopcock, the cock of which is lifted from its seat by unlocking links before turning : de en
  • DE586933C - Instrument body for pianos : de en
  • CA336579A - Rubber preserving method : en fr
  • CA336596A - Radiator unit manufacture : en fr
  • FR753949A - : fr
  • US1932098A - Combined camera and flash lamp : en
  • DK47915C - Apparatus for use in unloading and loading bricks. : da en
  • DE586947C - Walking toy that is moved by a spring drive and performs walking movements : de en
  • FR753935A - : fr
  • GB400461A - Improvements relating to horticultural and like spraying apparatus : en
  • CA336654A - Grease manufacture : en fr
  • FR753885A - : fr
  • GB400295A - Improvements relating to milking equipment : en
  • GB400404A - Improvements in or relating to electrical filters : en
  • GB400547A - Rotary fluid meter : en
  • DE586566C - Sausage dividing device : de en
  • DE586741C - Device for transferring the dies from die setting and line casting machines into a cleaning device : de en
  • DK47913C - Grydelaag. : da en
  • FR753920A - : fr
  • US1931551A - Floating roof : en
  • US1932046A - Transfer scheme for synchronous motors or condensers : en
  • AT135179B - Writing addition or subtraction machine or writing calculating machine with printing mechanism. : de en
  • GB400341A - Improvements in or relating to shock absorbing devices operated by liquid or gaseous fluid and applications of the same : en
  • DE586975C - Matrix setting and line pouring machine with matrices guided in a circuit on wires, which are brought from the collecting point to the pouring point by means of a slide and are excluded here : de en
  • DE586575C - Resonance circuit for the simultaneous suppression of harmonics and compensation of magnetization currents : de en
  • GB400257A - An apparatus adapted to produce electric fields of high frequency having multiple wave lengths : en
  • FR753784A - Ladies razor : en fr
  • GB400610A - Improvements in or relating to electrical synchronising systems : en
  • FR754037A - : fr
  • US1931949A - Battery terminal protector : en
  • US1932135A - Lid for pressure-resisting vessels in which fluids are stored or generated under pressure : en
  • USRE18971E - Direct-current voltage transfor : en
  • US1931903A - Console heater : en
  • AT134964B - Metal filter body and process for its manufacture. : de en
  • DE586969C - Cable drum made of insulating material for automatically taking up the excess slack in the supply cord of electric iron : de en
  • FR753758A - Advanced heat meter : en fr
  • GB400937A - Improvements in compositions of matter containing synthetic resins : en
  • US1932238A - Device for feeding used stereotype plates into a melting pot : en
  • US1932302A - Adjustable tire vulcanizing stand : en
  • CA336594A - Fluid pressure brake : en fr
  • FR753950A - : fr
  • FR753750A - Removable easel stand for pharmaceutical ampoules, tubes and the like : en fr
  • FR753828A - Preparation of new organic compounds that can be used in dyeing and printing : en fr
  • DE586854C - Parking device for special winding machines : de en
  • AT135169B - Pocket irrigator that closes automatically. : de en
  • US1932158A - Method and means of applying partial coatings to articles : en
  • DE586959C - Process for the production of vitamin-containing permanent preparations : de en
  • DE587020C - Gear for shutters, rolling grilles, awnings, etc. like : de en
  • DE586587C - Process for the purification of crude rhodanammonium : de en
  • GB400384A - Improvements relating to the production of higher ketones : en
  • GB400401A - Manufacture of sensitised silver halide emulsions and of dyes therefor : en
  • GB400451A - Improvements in or relating to submarine mines : en
  • US1932312A - Hat blocking machine : en
  • GB400633A - Improvements in the production of artificial lava for use as an aggregate in the production of bituminous concrete or asphalt : en
  • DE586903C - Electric wound capacitor in cylinder shape : de en
  • FR753756A - Electric bell : en fr
  • GB400291A - Improvements in or relating to water circulating systems for calorimeters : en
  • GB400381A - Improvements in the construction of speedometers having a magnetic action : en
  • DE586537C - Travel blanket : de en
  • DE586891C - Plug-in coupling for connecting electrical lines, especially multi-core cables : de en
  • US1931658A - Incandescent anode lamp : en
  • US1931698A - Fuel system for internal combustion engines : en
  • GB400320A - Electrode for neon type of luminous electric discharge tube : en
  • US1932296A - Process for carbonizing solid carbonizable fuel : en
  • CA336575A - Staple driving implement : en fr
  • DE586259C - Arrangement for the simultaneous generation of two or more high-frequency waves or wave bands : de en
  • GB400500A - A new or improved cloche : en
  • GB400591A - Improvements in or relating to apparatus for the electrolytic manufacture of sheet metal : en
  • FR753897A - : fr
  • FR753914A - : fr
  • FR753954A - : fr
  • DE586528C - Electrical capacitor, especially for short waves, the effective area or electrode spacing or both of which vary greatly depending on the thermal state of a liquid with a high coefficient of thermal expansion or a gas (air) or a combination thereof : de en
  • DE586560C - Table for sorting waste paper, rags, etc. like : de en
  • DE586655C - Switching of multiple lines in AC multiple units : de en
  • DE586927C - Rotary piston internal combustion engine with built-on compressor and swinging blades on the piston drum : de en
  • GB400545A - Improvements in heat absorbing bodies for use with refrigerating apparatus : en
  • DE586822C - Process for regulating the bath movement in induction ovens without an iron core : de en
  • AT135080B - Device for operating an energy distribution system. : de en
  • GB400370A - Improvements in or relating to refrigerator cabinets cooled by refrigerating apparatus : en
  • AT135030B - Self-supporting, open-topped, rectangular car body, in particular for motor vehicles. : de en
  • CA336644A - Oil filled cable joint : en fr
  • FR753741A - Tap cover for gas cookers : en fr
  • USD90918S - Design for a phonograph cabinet or : en
  • FR753796A - Protective cover for food products : en fr
  • GB400523A - Improvements in articulated differential gears, particularly for motor vehicles : en
  • DE586527C - Rules for direct current arc lamps with automatic arcing : de en
  • DK47900C - Fire pipe with automatically triggerable Percussion device. : da en
  • FR753846A - : fr
  • GB400378A - An appliance to assist in forcing canes, stakes and the like into the ground : en
  • DE586783C - Stocking heel protectors : de en
  • DE586880C - Process for the preparation of anthraquinone derivatives : de en
  • GB400399A - Improvements in steel hutches or colliery corves or like vehicles : en
  • USD90905S - Design for an easel for displaying : en
  • CA336615A - Foundation garment : en fr
  • US1932259A - Rock drill : en
  • FR753968A - : fr
  • GB400938A - Improved fabrics and other materials and their manufacture : en
  • DE586815C - Device that can be screwed into fuse elements for the currentless connection of measuring instruments : de en
  • DE586852C - Fadenfuehreraufrueckeinrichtung for bottle winding machines : de en
  • DE586558C - Sample case : de en
  • DE586998C - Floor polisher : de en
  • FR753807A - Board game : en fr
  • FR753839A - : fr
  • FR753876A - : fr
  • US1931530A - Electron tube oscillator system : en
  • AT135011B - Multi-chamber dryer. : de en
  • US1931691A - Fuel pump for oil engines : en
  • DE586753C - Device for the recovery of the extinguishing medium in switches in which the interrupting arc is extinguished by gas supplied or gas developed in the switch itself : de en
  • USRE18982E - Sheet metal container and head : en
  • US1931809A - Airplane : en
  • US1932149A - Process and apparatus for breaking off lengths of wired glass : en
  • US1932316A - Support for picker sticks : en
  • FR754039A - : fr
  • GB400486A - Improvements in fittings for sliding seats : en
  • GB400416A - Improvements relating to the control of direct current electric motors : en
  • US1932257A - Envelope : en
  • US1931653A - Tractor guide : en
  • US1931723A - Sealing device : en
  • US1932244A - Twin-shutter actuating mechanism : en
  • DE586866C - Process for the magnetizing roesting of oxidic iron ores : de en
  • CA336629A - Gas meter hanger : en fr
  • DE586946C - Snowshoe : de en
  • US1931825A - Apparatus for projecting advertisements and the like : en
  • US1932013A - Register : en
  • US1931851A - Traffic control system : en
  • US1931634A - Eyeglass frame : en
  • US1932307A - Silicon steel and method of making the same : en
  • GB400350A - Improvements in or relating to golf club carriers or caddie bags : en
  • CA336599A - Tire chain : en fr
  • FR753865A - : fr
  • GB400431A - Improvements relating to the fixation of nitrogen by means of an electric arc : en
  • US1931529A - Process for producing white luminous tubes of electrified neon gas : en
  • FR753707A - Pole used to suspend power lines and others : en fr
  • US1931600A - Swiveled electrical connection : en
  • US1931707A - Hand bag fastener : en
  • US1932042A - Weldomatic oscillator : en
  • DE586647C - Process for the preparation of symmetrical di- (arylamino) -oxybenzenes : de en
  • DE586679C - Electric thread monitor for circular knitting and similar machines : de en
  • US1932015A - Composition of matter for selectively controlling metal pickling baths : en
  • US1931904A - Guard fence : en
  • US1932163A - Self-winding wrist watch : en
  • GB400546A - Improvements in packings for stuffing boxes : en
  • DE586935C - Carillon : de en
  • FR753919A - : fr
  • DE587051C - Thermal switch : de en
  • AT135177B - Vaginal speculum. : de en
  • GB400372A - Improvements in corselettes : en
  • GB400410A - Improvements in and relating to electric discharge tubes : en
  • US1931683A - Joke buzzer : en
  • USD90911S - Design for a chair : en
  • FR753862A - : fr
  • DE542448C - Process for the manufacture of silica preparations for therapeutic purposes : de en
  • US1932104A - Abrasive article and method of making same : en
  • DE586857C - Selection device for cigarette machines u. like : de en
  • GB400501A - Improvements in reels of the kind on which yarn is wound temporarily for treatment and is automatically laterally advanced along the reel : en
  • FR753818A - Method and device for recovery by solid adsorbents : en fr
  • FR753748A - Rotating headlamp system for front wheel steering vehicles : en fr
  • GB400495A - Improvements relating to spectacles : en
  • FR753745A - Adjustable dispenser : en fr
  • AT135140B - Lock for double-sashed windows. : de en
  • CA336611A - Vulcanization accelerator : en fr
  • AT135198B - Procedure for breathing gas mixtures and equipment for this. : de en
  • AT135085B - Method and mold for making glass objects. : de en
  • US1931766A - Roller : en
  • US1932274A - Side wall mounting structure : en
  • AT135131B - Device for compensation of the earth fault current. : de en
  • US1931583A - Automatic variable pitch propeller : en
  • US1932190A - Code signal generating device : en
  • DE586706C - Spring suspension of steering wheels on motor vehicles : de en
  • US1932073A - Speed control for elevators : en
  • US1932294A - Shipping crate, barrel, and the like : en
  • US1931611A - Fastener separating mechanism : en
  • US1931909A - Building structure : en
  • CA336613A - Railway car truck : en fr
  • AT135107B - Insole for footwear. : de en
  • AT135137B - Compasses for drawing ellipses and circles. : de en
  • US1932275A - Composite side wall structure : en
  • US1931793A - Carrier and heater for pavement crack filling buckets : en
  • US1932341A - Basic ester of fatty-aromatic acids and process for obtaining the same : en
  • AU972232A - Improvements in or relating to joints for connecting together overlapped portions of metallic strapping : en
  • US1931504A - Chair : en
  • US1932164A - Electric regulating apparatus : en
  • CA336604A - Pressure gauge : en fr
  • US1931702A - Thread protector : en
  • GB400442A - Method of manufacturing tubing for fountain pen barrels and like articles : en
  • AT134999B - : de en
  • CA336546A - Hockey stick : en fr
  • AT135156B - Gas tap safety. : de en
  • US1931877A - Testing system for space discharge devices : en
  • AT135072B - Pack for hermit. : de en
  • AT135000B - Process for the production of swelling starch. : de en
  • AT134982B - Process for the production of synthetic masses from rubber and organic fillers. : de en
  • US1932217A - Merchandise display tray : en
  • US1931615A - Fastening inserting machine : en
  • DE586631C - Method and device for working on looms with fixed weft bobbins arranged on both sides of the loom : de en
  • DE586874C - Device for measuring the decrease in thickness when stretching and rolling out strips and strips during operation : de en
  • FR753973A - : fr
  • US1931963A - Clinical thermometer : en
  • US1932117A - Tank for water softeners : en
  • AT135082B - Circuit arrangement for total measurement, especially in telemetry systems. : de en
  • AT135087B - Control device for malt germ drums or the like. : de en
  • AU917732A - Improvements inthe manufacture and production of wetting agents for mercerising liquors and liquors containing the said agents : en
  • CA336560A - Foot arch support : en fr
  • DE586540C - Extractor hood for stoves : de en
  • FR753819A - Automatic device in particular for carrying out recovery processes using solid adsorbents : en fr
  • FR753868A - : fr
  • GB400394A - Improvements in or relating to hydraulic power plant : en
  • CA336549A - Wobble wheel power transmission : en fr
  • AT135048B - Means for improving the properties of mercerising liquors. : de en
  • USRE18977E - holden : en
  • US1932230A - Locomotive : en
  • CA336665A - Telephone system : en fr
  • CA336520A - Journal box : en fr
  • CA336633A - Air filter : en fr
  • AT135160B - Artificial teeth. : de en
  • US1931515A - Process for the manufacture of alumina : en
  • US1931517A - Lighting device : en
  • US1931943A - Bottle capper : en
  • DE586699C - Method and arrangement for generating accompanying music : de en
  • US1931811A - Arrangement of alpha clock on the steering element of motor vehicles : en
  • CA336600A - Carding machine : en fr
  • AT134977B - Separation of vapors in solid form from gas mixtures, especially extraction of solid carbonic acid. : de en
  • AT135028B - Brake actuation device, in particular for motor vehicles. : de en
  • DE586599C - Electric switch : de en
  • AT135168B - Palate plate for dentures made by drawing. : de en
  • US1931856A - Combined safety razor and sharpening mechanism : en
  • AT134979B - Process for making double metal ingots. : de en
  • US1931672A - Signaling system and apparatus therefor : en
  • DE586973C - Process for the preparation of N-sulfoethyl compounds from arylamine sulfonic acids : de en
  • US1931677A - Variable condenser : en
  • GB400292A - Improvements in means for launching aircraft : en
  • GB400616A - Improvements in pneumatic springs : en
  • CA336612A - Railway brake apparatus : en fr
  • US1931620A - Car truck bolster : en
  • CA336542A - Hot water heater : en fr
  • US1932160A - Electrolytic production of white lead : en
  • US1932283A - Bracelet chain : en
  • DE586739C - Safety valve in which a liquid column is connected between the steam and the valve seat : de en
  • DK47905C - Radio automaton. : da en
  • US1932027A - Dust guard for spinning machines : en
  • US1931498A - Glaze breaking tool for bushings and bearings : en
  • DE586889C - Device for the production of enamel-insulated wires : de en
  • GB400482A - Improvements in or relating to lids for boxes : en
  • US1931575A - Method of manufacturing cellulose : en
  • US1932040A - Method of and apparatus for controlling electrical devices : en
  • US1932293A - Air cushioned heel : en
  • DE586663C - Machine for the conversion or simultaneous generation of alternating current of different frequencies with a frequency ratio of 3: 1 or an even multiple of this ratio with the same or different number of phases : de en
  • DE586681C - Cheek and tongue protection disk with stiffened edge for medical, especially dental purposes : de en
  • FR753785A - Drive device for tape-shaped phonogram carriers, in particular for sound films : en fr
  • FR753797A - Improvements in shoe manufacturing : en fr
  • US1931541A - Mechanism for controlling the admission of fuel and air to internal combustion engines for highly volatile fuel : en
  • US1931731A - Thermo-regulator : en
  • US1931694A - Culvert coupling : en
  • US1932235A - Telephone system : en
  • US1932234A - Coin collector : en
  • US1932325A - Cast metal container and method for making the same : en
  • US1932368A - Carton which is equipped to be used as a toy : en
  • DE586970C - Steel wire bristles provided with a coating for metal brooms : de en
  • GB400636A - Improvements relating to coin-actuated mechanism for gas and similar meters : en
  • US1931703A - Thread protector : en
  • DE586632C - Compressed air drive for the protection of looms : de en
  • US1931654A - Hand brake : en
  • US1931712A - Flashlight adapter for marine running lights : en
  • US1931724A - Sealing device : en
  • US1931823A - Climber gaff guard : en
  • US1932175A - Scraper bucket : en
  • FR753889A - : fr
  • US1931888A - Centrifugal casting : en
  • USD90917S - Design for a davenport : en
  • GB400454A - Improvements in or relating to teetotum devices : en
  • AT135095B - Device for alternating switching (cross-fading) of several optical sound film playback devices. : de en
  • AU1091533A - Means for obtaining a model of a human figure or object : en
  • AU273631A - Process for recovery of metals from oxidic or oxide-bearing materials : en
  • CA336672A - Car loading device : en fr
  • AT135060B - Can for cream, vaseline etc. like : de en
  • US1931945A - Spring eye joint : en
  • AT135129B - Low current fuse. : de en
  • FR753994A - : fr
  • US1931974A - Resistance : en
  • US1932213A - Alarm clock : en
  • DE586850C - Device for washing glasses : de en
  • FR753734A - Artificial flowers : en fr
  • US1931494A - Reenforced asbestos cement sheet : en
  • US1931578A - Mattress handle and method of making same : en
  • US1931988A - Strainer for cooling systems of internal-combustion engines : en
  • DE586781C - Locking device for a horizontally or vertically movable window or door : de en
  • DE586669C - generator : de en
  • DE586555C - Process for the plating of light metals or other metals of low strength with those of higher strength and resistance by pouring using a welding torch : de en
  • FR753986A - : fr
  • DE586924C - Device for holding and hanging up cow tails : de en
  • DE586606C - Frame for holding spring-mounted stretchers : de en
  • DE585696C - Process for vulcanizing rubber using thiuram sulfides as vulcanization accelerators : de en
  • DE586766C - Arrangement for fastening the housing of a heating or ventilation device to the bottom of an aquarium : de en
  • GB400256A - Improvements in valve reseating and boring machines : en
  • GB400619A - Improvements in and relating to the manufacture of bread : en
  • US1931710A - Airplane propeller : en
  • US1932289A - Wheel, roller, and the like : en
  • US1931637A - Equalizing valve : en
  • US1931941A - Ophthalmic mounting : en
  • US1931948A - Boiler with reheater : en
  • DE586411C - Turnstile with a wreath of lifting screws : de en
  • DE586765C - Device for attaching double-walled teat cups to the teats of milking animals for small milking machines that work with suction and pressure : de en
  • GB400491A - Improvements in and relating to circular knitting machines : en
  • GB400561A - Cover for accumulator containers : en
  • US1931519A - Cotton picker : en
  • US1932194A - Fuse : en
  • US1931687A - Manufacture of aliphatic : en
  • AU1072832A - Improvements in and relating to cigarette and cigar holders : en
  • DE586855C - Bar fastener : de en
  • FR753769A - Mechanic device and movement with auxiliary latent force : en fr
  • GB400240A - Improvements in automatic means for heating water, making tea and the like : en
  • GB400940A - Improvements in means or apparatus for supplying air or gas in a more or less finelydivided state to liquids : en
  • FR754046A - : fr
  • US1931542A - Internal combustion engine : en
  • DE584490C - Method for gluing paper : de en
  • DE586595C - Circuit arrangement for telephone systems with dialer operation, in which high-value and low-value connections are made via the same line selector without control switches : de en
  • DE586816C - Electron tubes, especially for high performance : de en
  • US1931547A - Elevated tank construction : en
  • CA336641A - Gaseous conduction apparatus : en fr
  • CA336649A - Multi-stage turbine : en fr
  • DE586698C - Procedure for checking and sorting objects : de en
  • DE586902C - Electrolytic capacitor : de en
  • FR753924A - : fr
  • FR754044A - : fr
  • GB400405A - Improvements relating to cooking stoves : en
  • FR753706A - Universal joint : en fr
  • FR753956A - Improvements to hydraulic power transmissions : en fr
  • US1931861A - Adjustable crank : en
  • US1932153A - Method in the manufacture of catalogues, pamphlets, or the like with slanting opening edges : en
  • FR753714A - Device for frames for developing photographic film : en fr
  • FR753870A - : fr
  • US1931489A - Die casting machine : en
  • US1932141A - Geneva movement device : en
  • GB400437A - Improvements in and relating to surface condensers : en
  • GB400615A - Improvements in or connected with apparatus for supplying measured quantities of liquids : en
  • DE586845C - Process for making color photographs : de en
  • FR753860A - : fr
  • US1932177A - Sulphonated carboxylic amide : en
  • US1931719A - Heating system : en
  • US1932087A - Making titanium dioxide : en
  • DE586898C - Voltage magnet for induction counter : de en
  • GB400598A - Improvements in packing paper and the like : en
  • GB400632A - Improvements in safety razors : en
  • US1931872A - Apparatus for handling material : en
  • US1932380A - Thermostat : en
  • FR753892A - : fr
  • GB400265A - Improvements in oil seals : en
  • GB400511A - Improvements in and relating to web slitting and rewinding machines : en
  • DE586790C - Lead cable for electric floor heating : de en
  • GB400643A - Improvements in or relating to the production of pattern effects on materials made of or containing cellulose esters or ethers : en
  • FR753817A - Sophisticated sash window : en fr
  • DE586576C - Overcurrent light oil switch, low power : de en
  • DE586829C - Vacuum cleaner with an electrically driven fan : de en
  • FR753723A - Fixed jack with mechanical operation by remote control for all vehicles : en fr
  • FR753740A - Coupling arrangement for pulse generation, in particular for remote transmission of measured values according to a pulse process : en fr
  • DK47928C - Separate Packing Box. : da en
  • FR753849A - : fr
  • USRE18974E - Incandescent lamp : en
  • DE586662C - Electric fast regulator for synchronous machines : de en
  • DE586868C - Lockable slide for zippers : de en
  • DE586953C - Process for the pneumatic conveying of fuels, in particular of a grainy or gritty type, by means of a jet device operated with steam or compressed gas : de en
  • US1931612A - Art of making shoes : en
  • US1931646A - Process of making chlorinated de : en
  • FR754005A - : fr
  • FR754024A - : fr
  • DE586697C - Tobacco pipe made of synthetic resin with insert made of wood, meerschaum, clay or the like. : de en
  • GB400267A - Improvements in or relating to roof and wall sheeting : en
  • US1931680A - Radio direction finder : en
  • FR754013A - : fr
  • GB400436A - Improvements in or relating to skates : en
  • DK47909C - Device for Use in Retail Sale of Goods. : da en
  • GB400549A - Device for locking the pump of a matrix composing and line casting machine : en
  • GB400323A - Improvements in or relating to absorption refrigerating apparatus : en
  • DE586977C - Hydrogen furnace for bright annealing of metals : de en
  • FR753772A - Improvements to electronic grid-screen lamps : en fr
  • GB400646A - Improvements in or relating to display signs or the like : en
  • DE586847C - Process for the production of letterpress forms : de en
  • DE529662C - Device for creating three-dimensional images : de en
  • DE586841C - Cam gear : de en
  • GB400414A - Improvements in and relating to knitted fabrics and methods and apparatus for producing the same : en
  • GB400517A - Improvements in rangefinders for photographic purposes : en
  • CA336655A - Grease manufacture : en fr
  • AT135043B - Toboggan. : de en
  • AT135004B - Process for the preparation of higher aliphatic alcohols. : de en
  • CA336583A - Vulcanization accelerator : en fr
  • AT135124B - Absorption chiller. : de en
  • AT134976B - Process for the production of meltable, soluble resins. : de en
  • AT135134B - Suspended switch for switching electric light bulbs off. : de en
  • US1931832A - Process of preparing esters of polymeric carbohydrates : en
  • US1932271A - Apparatus for manufacture of spiral shells for concrete piles : en
  • USD90913S - Design for a picture frame : en
  • DE586596C - Machine for the production of a braid for carbon dolls with galvanic elements : de en
  • DE587044C - Process for the production of micanite : de en
  • AT135027B - Device for preventing the unlawful use of motor vehicles or internal combustion engines. : de en
  • AU1012632A - Improvements informing dies for producing indented rim closure caps for jars and bottles : en
  • US1932017A - Highway-crossing signal : en
  • US1932019A - Pocketbook frame : en
  • AT135108B - Method of making bricks. : de en
  • AT135056B - Oil burner. : de en
  • US1931708A - Spring device : en
  • US1932105A - Apparatus for treating fabrics : en
  • CA336538A - Razor blade sharpener : en fr
  • US1931570A - Method for manufacturing artificial lumber : en
  • US1931878A - Sound reproducer : en
  • GB400297A - Improvements in or relating to the partial oxidation of unsaturated hydrocarbons : en
  • FR753781A - Improvements to artillery wheels or artillery wheel bodies : en fr
  • US1931518A - Transparent cellulosic film : en
  • US1931532A - Building unit and floor construction : en
  • FR754010A - : fr
  • CA336661A - Reel : en fr
  • FR753988A - : fr
  • GB400299A - Improvements in or relating to hacksaw frames : en
  • GB400955A - Improvements in or relating to electric power-transmission systems : en
  • GB400441A - Process and apparatus for regulating the fineness of the products of grinding machines : en
  • FR753945A - : fr
  • GB400570A - Improvements in or relating to water tube steam generators : en
  • GB400331A - Improvements in or relating to grave memorials : en
  • AT135126B - Automatic safety and control device for aviation piston engine compressors. : de en
  • DE586607C - Inhalation device : de en
  • DE586567C - Door catch : de en
  • US1932134A - Door supporting pulley : en
  • DE586779C - Bicycle saddle with inflatable air cushion : de en
  • DE587007C - Device for the aluminothermic welding of the joints of railway operating tracks without disturbing the traffic : de en
  • US1931567A - Game apparatus : en
  • US1932034A - Air strainer for horns : en
  • US1932080A - Variable load brake : en
  • DE586997C - Device for putting on and taking off elastic gloves : de en
  • FR753825A - Naturally aspirated engine : en fr
  • US1931603A - Telephone system : en
  • US1931740A - Vacuum tonsillectome : en
  • US1932101A - Self-locking seal : en
  • GB400503A - A machine for dusting sheet materials : en
  • AT134992B - Process for the production of a substance particularly suitable for road construction. : de en
  • FR753837A - : fr
  • US1931921A - Manufacture of cement : en
  • FR753940A - : fr
  • DE586701C - Sieve for cellulose digester equipped with a take-off line for the cooking liquid : de en
  • DE586759C - Metal window made of thin sheet metal strips provided with embossing : de en
  • US1931770A - Door bumper and the like : en
  • US1931771A - Control means for electric motor operated devices : en
  • DE586694C - Method for determining the degree of equilibrium of plied yarns : de en
  • FR753878A - : fr
  • GB400627A - Improvements in or relating to the manufacture of new resin like products : en
  • FR753998A - : fr
  • GB400644A - Improvements in methods of removing impurities from coal : en
  • CA336511A - High speed ship : en fr
  • CA336610A - Deodorant stick : en fr
  • GB400464A - Improvements in or relating to knicker garments : en
  • DE586844C - Display device for aperture and exposure time : de en
  • DE586925C - Fishhook release : de en
  • FR753857A - : fr
  • GB400249A - Improvements in organic esters of cellulose and method of preparing the same : en
  • GB400458A - Improvements in or relating to luminous electric discharge tubes : en
  • FR753931A - : fr
  • FR753992A - : fr
  • GB400376A - Improvements relating to coin freed electricity meters : en
  • US1931479A - Striking casting : en
  • US1931486A - Bathing cap : en
  • GB400600A - High tension and grid bias wireless batteries incorporating improved tappings : en
  • US1931732A - Cigarette holder : en
  • US1932261A - Construction of ophthalmic mountings : en
  • GB400411A - Improved appliances for playing puzzle games : en
  • GB400588A - Improvements in recoil operated small arms : en
  • US1931915A - Actuating handle : en
  • US1932022A - Light signal : en
  • US1932221A - Coffee container : en
  • US1932330A - Aircraft steering system : en
  • DE586883C - Arrangement for feeding single-phase collector rail motors : de en
  • FR753829A - Sharpening discs cutters : en fr
  • DE576241C - Pull-cord packing tape, consisting of a smooth strip glued together with a corrugated strip : de en
  • DK47902C - Device for Rail Vehicles for Connection between Box and Truck. : da en
  • FR753985A - : fr
  • FR753909A - : fr
  • DE585628C - Process for the extraction of tin, lead, antimony, bismuth and similar metals from starting materials containing tin oxide : de en
  • GB400428A - Improvements in or relating to load indicators more especially for cranes : en
  • GB400490A - Improvements in or relating to electrolytic cells particularly condensers : en
  • DE585468C - Socket for light bulbs, especially for toy light bulbs : de en
  • DE586667C - Signal device for electrically heated devices, especially iron, which also serves as a light source : de en
  • DE586529C - Process for the production of electrolytic capacitors, in which the formation of the electrodes is carried out in a slightly liquid electrolyte which is galatinized after formation : de en
  • DE586562C - Armrests for motor vehicle and aircraft drivers : de en
  • DE586843C - Illuminated letter, the individual luminous elements of which have a housing of circular cross-section : de en
  • DE586893C - Arrangement for switching control stages on and off : de en
  • DE586931C - Bimetal thermostat for control and switching purposes : de en
  • GB400508A - Improvements in gear mechanisms : en
  • CA336576A - Fibre board container : en fr
  • US1932358A - Wall construction and securing means therefor : en
  • US1931647A - Process for introducing active metal into alpha vacuum tube : en
  • US1932332A - Internal combustion engine : en
  • US1931660A - Automatic gain control : en
  • GB400666A - Improvements in or relating to the colouration of textile materials : en
  • DE565984C - Process for the production of ready-to-spin long fibers from plant leaves : de en
  • DE586934C - bassoon : de en
  • US1931880A - Process of treating mineral oil still bottoms to recover asphalt and fatty acids : en
  • US1931539A - Ironing pad : en
  • US1931848A - Court and traffic marker : en
  • US1932150A - Method of making cementitious pipe : en
  • US1931651A - Antifriction bearing connection for coil springs : en
  • US1931834A - Clamping device for metal forms : en
  • US1931960A - Combination mulching, harrowing, hoeing and rolling machine : en
  • DE586768C - Screen covering for fine screening by means of trembling screens : de en
  • US1931845A - Method and apparatus for forming concrete columns : en
  • CA336588A - Elevator door mechanism : en fr
  • US1932114A - Feed water heater : en
  • FR754041A - : fr
  • DE586987C - Arrangement for testing and monitoring the insulation condition of certain points in telecommunication cable systems with the help of test lines, which are routed directly or indirectly to the deepest point of the joint to be monitored, the terminal to be monitored or the like : de en
  • CA336545A - Metal and alloy processing : en fr
  • US1931696A - Welding and cutting machine : en
  • US1932145A - Combination awning and shield : en
  • AT135062B - Extinguishing device for the heating flame of gasification burners on lamps, stoves, blowtorches or the like. : de en
  • DE586551C - Measuring device for determining the oil consumption of internal combustion engines : de en
  • DE587011C - Device for sifting substances suspended in liquids : de en
  • US1932018A - Electrical connecter : en
  • US1932161A - Window seat : en
  • US1931800A - Apparatus for effecting dissociation or other reaction of organic liquids : en
  • US1931975A - Mold filling machine : en
  • CA336640A - Turntable drive : en fr
  • US1932242A - Gas heater : en
  • CA336561A - Water gauge : en fr
  • AT135038B - Guide horn for automatic railway couplings. : de en
  • US1931855A - Process of purifying fatty acid derivatives of mineral oil : en
  • CA336637A - Hydraulic pump : en fr
  • US1931482A - Machine for severing bag tubes : en
  • US1931887A - Clothesline cleaner : en
  • US1931584A - Boiler stand : en
  • US1932353A - Display package and container for bait : en
  • AT135139B - Container for the fire-safe storage of highly flammable substances. : de en
  • US1931798A - Container construction : en
  • US1932281A - Welding apparatus : en
  • US1931670A - Fertilizer distributor : en
  • US1932165A - Equalizer for vehicle springs : en
  • FR753810A - Suspension device for automobile engine or gearbox : en fr
  • AT135105B - Almsgiver. : de en
  • AT135017B - Adhesive tape insect catcher with luminous surface. : de en
  • FR753713A - Improvement in spark plugs for internal combustion engines : en fr
  • US1931502A - Testing device : en
  • US1931864A - Radio transmitting system : en
  • US1932237A - Device for use in catching earth worms, insects, and the like : en
  • US1932339A - Means for operating and securing pivoted windows : en
  • FR753905A - : fr
  • GB400599A - Improvements in or relating to shoe-upper conforming machines : en
  • GB400611A - Variable pitch screw propeller : en
  • DE586967C - Spin dryer : de en
  • US1931718A - Fluted rub brick : en
  • US1932268A - Beverage cooling refrigerator : en
  • DE586445C - Process for the processing of the raw alkalis resulting from the production of benzyl cellulose : de en
  • AU968532A - A valve for controlling the Bow of liquid : en
  • US1932020A - Electrical relay : en
  • US1932198A - Door operating mechanism : en
  • CA336557A - Daylight screen : en fr
  • DE586807C - Mobile pneumatic hammer : de en
  • DE524974C - Resistance thermometer : de en
  • DE586813C - Electric switch for high voltage : de en
  • AT135176B - Jockstrap. : de en
  • US1932118A - Speed regulating device : en
  • US1932085A - Vacuum tube operated on alternating current : en
  • US1932336A - Type einding means : en
  • CA336593A - Brake cylinder mounting : en fr
  • DE586505C - Swimsuit for women : de en
  • GB400305A - Improved manufacture of tennis and like racket frames : en
  • US1931992A - Anamorphosing prism objective : en
  • US1932333A - Closure for bottles and other containers : en
  • US1931911A - Packing method and apparatus : en
  • FR753861A - : fr
  • FR753995A - : fr
  • GB400284A - Improvements in fittings for window blinds of the roller type : en
  • GB400447A - A method for the manufacture of mouthpiece plugs for cigarettes : en
  • AT135199B - Device for automatic exchange of the shuttle in looms with a fixed shuttle container. : de en
  • US1932215A - Method of and apparatus for forming blackboard surfaces : en
  • US1932378A - Milling machine : en
  • US1931869A - Step switcher for regulating transformers : en
  • CA336563A - Castrating forceps : en fr
  • DE586691C - Device for displaying course deviations : de en
  • US1931978A - Hoisting apparatus : en
  • US1931938A - Valve for well pump plungers : en
  • US1932152A - Hydrazine sulphonates of the diarylamine series : en
  • US1932209A - Fluid dispensing device : en
  • FR753831A - Machine for braiding, twisting and wrapping flexible multi-strand electric cables : en fr
  • GB400390A - Improvements in or relating to trousers and like garments : en
  • DE586569C - Device for suppressing the muzzle flash of firearms : de en
  • DE587024C - Plate conveyor with guidance of the plates always in a horizontal plane : de en
  • USD90906S - Design for a measuring spoon : en
  • CA336681A - Cellulosic filament production : en fr
  • CA336555A - Frozen confection processing apparatus : en fr
  • CA336510A - Golf bag and boot : en fr
  • US1931863A - Direct-acting heater control thermostat : en
  • FR753855A - : fr
  • GB400426A - Improvements in or relating to machines for producing glass vessels from tubing : en
  • US1931561A - Machine for shaping shoes : en
  • US1932232A - Radio receiving set : en
  • US1931669A - Means for converting acoustic into electric energy : en
  • US1932301A - Leer loader : en
  • US1931843A - Heating apparatus : en
  • GB400614A - Improvements in and relating to braking apparatus : en
  • FR753872A - : fr
  • DE586676C - Stove masonry with a hanging ceiling and a skirting wall : de en
  • FR753901A - : fr
  • GB400325A - Improvements in securing or locking devices for slidable windows or the like : en
  • GB400954A - Improvements in apparatus for treatment of the person : en
  • CA336675A - Refrigerating unit defrosting means : en fr
  • FR753788A - Pylon for power lines or other similar applications : en fr
  • GB400569A - Improvements in or relating to boxes : en
  • DE586557C - Circular knife scissors for trimming profile iron with two rotating knives : de en
  • DE586745C - Periodic absorption refrigeration machine : de en
  • FR753763A - Electric machine for sharpening the blades of mowers and various tools : en fr
  • DE586602C - Method for fastening the rotor plates to the axis of a rotary capacitor : de en
  • DE586791C - Process for the production of acidic or especially basic linings for induction ovens : de en
  • GB400272A - New artificial oil-soluble resinous compositions : en
  • GB400534A - Improvements in and relating to steam or gas turbines : en
  • GB400597A - Improvements in the production of foils of cellulose esters and ethers : en
  • USRE18972E - Arrangement fob wireless teleg : en
  • US1931711A - Multipole push-button switch : en
  • US1932226A - Inflatable ball : en
  • US1931709A - Shiplap brick siding : en
  • US1932064A - Low temperature engine-protecting device : en
  • FR753809A - Instrument for automatic measurement of blackening series : en fr
  • FR753953A - Device for copying by projection of films, in particular lenticular films : en fr
  • GB400499A - Improvements in and relating to the di-electric of condensers : en
  • DE586447C - Device for automatic compensation of line lengths for typing, setting, casting and stamping machines : de en
  • US1932068A - Earth boring apparatus : en
  • AT135024B - : de en
  • DE586702C - Photographic recording camera with a search chamber arranged above the recording chamber : de en
  • US1931676A - Book match manufacturing : en
  • US1932033A - Reciprocating motor : en
  • US1932246A - Laundry machine : en
  • GB400435A - Improvements in synchronous alternating current motors particularly for talking-machine driving : en
  • US1932131A - Isolation or purification of menthols : en
  • US1931533A - Air and other separator : en
  • US1931558A - Vacuum tube voltmeter : en
  • US1931884A - Air conditioning device for vacuum cleaners : en
  • DE586161C - Hanging machine for folded book blocks : de en
  • US1932130A - Manufacture of phosphoric acid compounds of menthols : en
  • US1931990A - Scoliotone : en
  • DE586798C - Device for needling fabrics for tenter machines : de en
  • US1931971A - Self-locking wedge : en
  • CA336526A - Incinerating furnace : en fr
  • DE586926C - Soil disinfectants : de en
  • FR753847A - : fr
  • GB400413A - Process for the production of lactic acid : en
  • GB400572A - Magnetic device for power production : en
  • DE586870C - Method of manufacturing braided mantles : de en
  • DE587041C - Device on typewriters to lock the ratchet when the paper trolley hits the right margin stop : de en
  • FR753894A - : fr
  • US1931844A - Soluble cellulose esters of the higher fatty acids : en
  • US1932088A - Alternating-current-network distribution system : en
  • FR754009A - : fr
  • DE586635C - Remote control system, by means of which the position of adjustable organs arranged in an auxiliary unit is changed by command currents sent by a main unit and the completed change is reported back to the main unit : de en
  • FR753895A - : fr
  • GB400357A - Improvements in coin freed vending machines : en
  • US1931577A - Sign : en
  • US1931753A - Aeroplane : en
  • US1931820A - Method and apparatus for hauling aircraft upon watercraft : en
  • DE586649C - Device for producing rubber types in strip form : de en
  • DE586512C - Process for the production of flanged hollow profiles : de en
  • CA336660A - Acoustical studio : en fr
  • DE586725C - Two-part base plate for bread slicers : de en
  • US1931746A - Truck mechanism : en
  • DE586976C - Fridge fed with tap water : de en
  • FR753926A - : fr
  • GR4376B - METAL CORNER CAPS FOR BUILDING PURPOSES. : el en
  • DE586522C - Conductive rail connection : de en
  • GB400340A - Improvements in or relating to signalling or indicating apparatus actuated by the passage of a vehicle : en
  • FR753778A - Device for cleaning pipes for the flow of beer or other drinks : en fr
  • US1931633A - Fabric washer construction for crushing machinery and the like : en
  • US1931657A - Vibrating screen : en
  • US1932086A - Transport for lawn mowers : en
  • US1932178A - Sulphonated carboxylic acid amides : en
  • FR753820A - Improvements to hearing devices : en fr
  • DE587032C - Process for impregnating insulating hoses from fabric : de en
  • AT135049B - Sintered hard alloys. : de en
  • FR753873A - : fr
  • DK47895C - Method and systems for heating by steam. : da en
  • US1932005A - Straw hat manufacture : en
  • DE555420C - Device for connecting electric batteries, in particular flashlight batteries : de en
  • US1932292A - Knitted stocking and process for making same : en
  • US1931664A - Audio frequency transmission circuits : en
  • US1931741A - Vending machine : en
  • US1932362A - Limit load clutch : en
  • US1932026A - Train control apparatus : en
  • US1932367A - Electric switch : en
  • GB400483A - Improvements in or relating to taps or cocks : en
  • AU965832A - An improved liquid measuring and dispensing device : en
  • DE586899C - Arrangement for measuring the amount of electricity that has flowed through a conductor, in particular of currents that last only a short time and run irregularly : de en
  • FR753939A - : fr
  • AT135068B - Electric hot water heater. : de en
  • US1931752A - Automatic brake coupling : en
  • DE586583C - Process for making painter's brushes and paint brushes : de en
  • DE586629C - Remote display of the liquid level indicator with a float that follows the liquid level and remote display of the liquid level through a flexible transmission wire : de en
  • DE586668C - Electrically heated hot water tank : de en
  • GB400343A - Improvements in and relating to sound reproducing instruments : en
  • DE587026C - Pneumatic post system with counters : de en
  • GB400333A - A gravity compensating flywheel : en
  • GB400453A - Improvements in or relating to so called braun tubes or cathode ray tubes suitable for use for television, picture telegraphy and other purposes : en
  • AT135136B - Rubber-insulated electrical cable. : de en
  • AT135141B - A spring band consisting of a flat-rolled helical spring, as well as the method and device for producing the same. : de en
  • DK47917C - Homogeneous armor plate. : da en
  • GB400366A - Improvements relating to variable condensers for use in wireless receiving apparatus : en
  • DE586553C - Sealing device for pipelines : de en
  • GB400584A - Improvements in or relating to wood substitutes : en
  • AT134983B - Process for the production of asphalt emulsions. : de en
  • CA336552A - Fuel saver : en fr
  • US1931697A - Kitchen implement : en
  • FR753730A - Switching device : en fr
  • US1931870A - Connection for electron tubes for the multiplication of frequency : en
  • DE586638C - Process for the preparation of polyazo dyes : de en
  • GB400346A - Improvements in or relating to the separation of materials of different specific gravities : en
  • DE586671C - Grate arrangement in coke gas generators : de en
  • FR753811A - Glare-free projector : en fr
  • FR754038A - : fr
  • GB400626A - Improved scanning apparatus for electro-optical systems : en
  • DE586645C - Process for the preparation of glycidic acid amides : de en
  • DE586598C - Slide disconnector for high voltage systems : de en
  • DK47893C - Method and device for continuous peeling of pre-moistened grain. : da en
  • DE586523C - Energy storage drive for electrical switches : de en
  • DE586710C - Room protection system in which the tremors of the room walls are recorded by microphones : de en
  • DE587016C - Streamlined armament for aircraft : de en
  • US1931758A - Golf club : en
  • US1932338A - Process of inhibiting the development of microorganisms : en
  • CA336624A - Coal product : en fr
  • CA336514A - Internal combustion engine : en fr
  • AT135071B - Liquid fuel stoves. : de en
  • CA336618A - Bacon press : en fr
  • CA336677A - Cellulose material : en fr
  • US1932156A - Process of coating : en
  • AT135188B - Inhalation device designed as a headrest. : de en
  • DE586603C - Automatic pressure regulator : de en
  • US1931742A - Illuminated sign : en
  • US1932201A - Lawn mower : en
  • USD90931S - Design for a blade receptacle : en
  • USRE18978E - Wire stripping machine : en
  • AT135102B - Alarm device to indicate attempted break-ins. : de en
  • CA336664A - Phonograph reproducer : en fr
  • AT134985B - Process for the preparation of basic nitro derivatives of 9-aminoacridine. : de en
  • AT135145B - Airplane with horizontally freely rotating hydrofoil wheel. : de en
  • US1931597A - Apparatus for centrifugally molding concrete blocks, slabs, and like articles : en
  • US1931681A - Sound reproducer : en
  • US1932313A - Mixing device : en
  • AT135195B - Shaving machine with a knife rotating in a housing. : de en
  • CA336638A - Radio receiver : en fr
  • AT135097B - Cash register. : de en
  • AT135051B - Method for making silk, rayon or blended fabrics more difficult. : de en
  • US1931554A - Building strip : en
  • US1932373A - Discharge tube circuit : en
  • DE586614C - Mechanical integrator for flowing quantities : de en
  • AU823932A - Improved springs for seats, cushions and like parts of furniture and vehicles : en
  • CA336671A - Car loading device : en fr
  • CA336683A - Loom : en fr
  • DE586685C - Steam boiler for central heating systems : de en
  • DE586904C - Dry rectifier arrangement consisting of rectifier columns : de en
  • DE587057C - Electric motor assembled with a gear, the shaft of which is hollow and encloses the drive shaft for the gear : de en
  • CA336523A - Ejector : en fr
  • DE586814C - Electric motor, in particular for driving sewing machines : de en
  • GB400375A - Improvements in or relating to garment and like presses : en
  • GB400385A - Improvements in pack parachutes : en
  • AT135178B - Carrier Stream Telegraphy Process. : de en
  • CA336590A - Fluid pressure brake : en fr
  • US1932065A - Direction-indicating beacon : en
  • US1932309A - Electrical steel : en
  • US1931493A - Compensating drive : en
  • US1931631A - Transmitting : en
  • US1931728A - Attaching member : en
  • US1931789A - Speed-counting stroboscope : en
  • US1931942A - Tandem paving apparatus : en
  • DE586818C - Resistance, especially for electric radiators : de en
  • DE586571C - Clockwork timer with securing of the zero position of the control organ : de en
  • DE586728C - Light liquid separator : de en
  • GB400472A - A new or improved apparatus for the manufacture of vitreous products by drawing or rolling : en
  • AT135023B - Wrought iron rib support plate with sliding chair. : de en
  • US1931756A - Transmission : en
  • US1932385A - Agitator attachment : en
  • DE586809C - Automatic switching device for drive motors of vehicles that are driven by internal combustion engines with electrical power transmission : de en
  • AT135029B - Rail connection with freely floating foot. : de en
  • DE586748C - Rail fastening : de en
  • DE587013C - Automatic photographic shutter : de en
  • FR754043A - : fr
  • GB400427A - Improvements in and relating to clamps and hose shut-offs : en
  • CA336535A - Wheel clutch : en fr
  • DK47923C - Device for Stabilizing the Product Scale by Weights. : da en
  • GB400475A - Improvements in gill-box drawing mechanisms : en
  • AT135143B - Impregnation agent for the surface of dirt roads and the like like : de en
  • FR753880A - : fr
  • DE586971C - Process and device for coking and cracking of hydrocarbons : de en
  • GB400412A - Improvements in closures for cardboard and like boxes : en
  • GB400555A - A device for shaping transparent crystals for watches, clocks and other instruments : en
  • CA336648A - Bottle capping mechanism : en fr
  • US1931939A - Clamping and locking device : en
  • GB400520A - A process for obtaining female sexual hormones : en
  • US1932030A - Regulating system : en
  • USD90915S - Design for a combined table lamp : en
  • GB400379A - Improvements in or relating to steam connections or nozzles for drying cylinders and the like : en
  • DE586733C - Device for moving wire windings for conical winding or pulling drums : de en
  • FR753767A - Dosing system applicable to all closed containers containing liquids or impalpable powder materials : en fr
  • FR753875A - : fr
  • GB400526A - A loudspeaker change-over switch, especially for radio distributing apparatus : en
  • DE586531C - Electromedical bathing facility : de en
  • DE586601C - Exchangeable light arm for electrical connection body with plug device : de en
  • GB400522A - Improvements in and relating to coin freed mechanism : en
  • FR753836A - : fr
  • US1931571A - Plug bar for seamless tube mills : en
  • US1932079A - Safety car control equipment : en
  • US1931483A - Double pole handle switch : en
  • FR753858A - : fr
  • DE586552C - Hose and knitting machine for its manufacture : de en
  • DE586932C - Manufacturing process for thermostats : de en
  • FR753727A - Articulated differential, in particular for motor vehicles : en fr
  • GB400604A - Improvements in or relating to the conversion of distillates from coal and the like into products of lower boiling point : en
  • GB400630A - Improvements relating to closures for jars and like containers : en
  • CA336657A - Saw blade : en fr
  • GB400539A - Improvements in or relating to fuel injection nozzles for internal combustion engines : en
  • GB400259A - Improvement in process of and apparatus for refining metal : en
  • GB400338A - Improvements in the framing of boat, pontoon, aircraft and other streamline bodies : en
  • GB400429A - A machine for producing cement tiles : en
  • AT135130B - Photoelectric cell based on the external photoelectric effect. : de en
  • US1931857A - Disintegrating machine : en
  • US1932132A - Locking means for electric lights : en
  • US1932375A - Apparatus for reshaping worn railway track irons : en
  • DE586659C - Electric voltage regulator for alternators : de en
  • FR753843A - : fr
  • GB400262A - Improvements in the catalytic purification of oxygen-containing hydrogenation products of oxides of carbon : en
  • GB400928A - Improvements in furnaces of the cylindrical type such as are used in steam generating boilers : en
  • DE584621C - Electric drive, especially for AC vehicles by means of an AC synchronous or asynchronous motor with rotatably mounted rotor and stand, which are mechanically connected to two electrical machines : de en
  • DE586718C - Loading bridge for overloading piece goods in railway operations : de en
  • GB400287A - Improvements in thermostats : en
  • GB400537A - Improvements in and relating to labelling machines : en
  • US1932039A - Valve seat : en
  • AT135116B - Calculating or adding machine. : de en
  • US1931849A - Massaging machine : en
  • US1931977A - Floor waxer and polisher : en
  • US1931607A - Electrical heating device : en
  • US1931989A - Air-purifying device : en
  • GB400488A - Improvements in or relating to hot-bulb internal combustion engines : en
  • FR753854A - : fr
  • GB400374A - Improved means for tapping, spiling and releasing or admitting air or gas from or to casks or other containers : en
  • DE586983C - Surge arresters : de en
  • GB400334A - An improved process for sealing wires into vitreous envelopes : en
  • GB400606A - Improvements in or relating to remote control of reversible electric motors : en
  • US1931779A - Coin control amusement apparatus : en
  • US1931827A - Electric switch : en
  • US1932021A - Car construction : en
  • US1932075A - Automatic railway crossing gate : en
  • US1931682A - Process of producing titanium dioxide : en
  • DE586656C - Circuit arrangement for telephone systems with dialer operation and two-wire connecting lines : de en
  • FR753718A - Flexible metal hose : en fr
  • US1932001A - Dispensing device : en
  • US1932023A - Molding apparatus : en
  • FR753808A - Method and instrument for plastically highlighting photographs by embossing the edges : en fr
  • US1931548A - Control for variable devices : en
  • US1931838A - Hot water and distilled water generator : en
  • DE586646C - Process for the preparation of phenols from aromatic halogenated hydrocarbons : de en
  • GB401282A - Improvements in or relating to the preparation and use of dispersions and dispersing or precipitating agents : en
  • US1931614A - Dough working apparatus : en
  • AT134972B - Lid lock for kettle. : de en
  • AT135181B - Device for brightfield and darkfield illumination of microscopic objects. : de en
  • AT135046B - Multi-component alloys of magnesium with zinc or aluminum or both metals. : de en
  • CA336506A - Signalling device for motor vehicles : en fr
  • US1931622A - Recovery of calcium hypochlorite : en
  • US1932276A - Side wall structure : en
  • DE587059C - Circuit for voltage regulation of rectifiers by step transformer : de en
  • CA336597A - Basic porphine : en fr
  • AT135152B - Fire door for locomotives. : de en
  • US1932170A - Broiler mechanism for combination ranges : en
  • AT135128B - Float tap. : de en
  • AT135158B - Film guidance for sound film equipment. : de en
  • US1931787A - Wrapping mechanism : en
  • CA336598A - Method of forming rubber coatings on metals : en fr
  • FR753958A - : fr
  • GB400348A - Improvements in or relating to book-leaf holders and bookmarkers : en
  • US1931885A - Resonance box : en
  • DE586641C - Device for regulating the cotton distribution over several sets of machines for opening and cleaning the cotton : de en
  • US1931650A - Floor covering : en
  • US1932147A - Jar opening means : en
  • US1932251A - Child's velocipede : en
  • AT134960B - Method for upsetting one-piece hollow bodies consisting of a head and a shaft, in particular poppet valves for internal combustion engines. : de en
  • CA336609A - Hydrocarbon production : en fr
  • DE586507C - Circuit arrangement for testing connection devices and lines in telephone systems with dialer operation : de en
  • DE586823C - Cleaning and polishing preparations for metals : de en
  • US1931854A - Addition agent : en
  • AT135006B - Method and apparatus for making soap bars. : de en
  • US1931492A - Production of hydrogen : en
  • DE586642C - Storage, especially for spinning and twisting spindles : de en
  • DE586806C - Process for the preparation of symmetrical di- (arylamino) -oxybenzenes : de en
  • US1932254A - Liquid dispenser : en
  • GB400467A - Improvements in or relating to motor cars : en
  • US1931636A - Apparatus for conducting catalytic reactions : en
  • CA336536A - Cleat fastener : en fr
  • AT135050B - Process for the preparation of granular, non-dusting calcium cyanamide. : de en
  • US1931873A - Frequency control system : en
  • US1931995A - Advertising device : en
  • US1932110A - Safety razor : en
  • AT135054B - Process for removing iron from acidic chromium salt solutions. : de en
  • AT135167B - Blood transfusion apparatus. : de en
  • AU823232A - Improved cleansing machine : en
  • AT134958B - Lifting device for drop hammers. : de en
  • DE586981C - Contact arrangement for resistors : de en
  • AU963232A - Means for generating pressure for power purposes : en
  • CA336650A - Multi-colour photography : en fr
  • US1931986A - Cylinder hone : en
  • AT135033B - Device for steering motor vehicles. : de en
  • US1931667A - Process for reproducing marbleized surfaces on composite building materials : en
  • US1931933A - Manufacture of high alpha cellulose pulp : en
  • DE586664C - Device for the generation of a counter-torque which runs arbitrarily over the movement path in electrical apparatus : de en
  • DE586963C - Rotating reflector : de en
  • CA336621A - Circuit breaker : en fr
  • AT135053B - Process for preserving diazo solutions. : de en
  • DE586727C - Device for producing plates made of asbestos cement, artificial stone mass or the like reinforced with wire mesh. : de en
  • US1931893A - Portable power driven polishing tool : en
  • US1931701A - Solenoid : en
  • US1931727A - Garage door operating and locking means : en
  • US1932058A - Brake pipe leakage compensator : en
  • US1932343A - Radio loud speaker cabinet : en
  • CA336530A - Engine fuel pump : en fr
  • US1931983A - Camera : en
  • US1932063A - Vulcanizing apparatus : en
  • US1932074A - Joint for toy blocks : en
  • US1932229A - Continuous coating wiper apparatus : en
  • AT135153B - Device for dispensing leftover drinks ready for consumption. : de en
  • AT134980B - Process for the aftertreatment of the solution obtained from the saccharification of cellulose by means of dilute mineral acid under the action of heat and pressure. : de en
  • AT135182B - Nail grinding device. : de en
  • CA336642A - Lithographic printing foil : en fr
  • DE586760C - Measuring device for fuel dispensing systems with motor pump : de en
  • DE586993C - Device for automatic, pattern-based setting of the end stops for the thread guide rails of flat weft knitting machines : de en
  • FR753736A - Improvements to socket outlets : en fr
  • GB400538A - Improvements in carburettors for internal combustion engines : en
  • DE587062C - Tool for performing arc welding with an electrode that can be adjusted at different angles : de en
  • FR753980A - : fr
  • US1931499A - Apparatus for preparing ores for sintering : en
  • CA336582A - Corrugated paper board : en fr
  • CA336631A - Gas meter hanger : en fr
  • FR753959A - : fr
  • FR754030A - : fr
  • US1932219A - Unitary brake : en
  • US1931545A - Combustion turbine : en
  • CA336531A - Puncture proof compound for tire tubes : en fr
  • US1932326A - Packing or wrapper, especially useful for shampooing and hair dyeing materials : en
  • AT135020B - Collapsible band-shaped organ, in particular ribbon cables for stage lighting and the like. like : de en
  • US1931513A - Guy wire guard : en
  • US1932324A - Valve for fire extinguishing systems : en
  • US1932384A - Soap dispenser : en
  • AT135091B - Process for making refractory castings. : de en
  • US1931976A - Make-up system : en
  • US1932224A - Flush valve for bowls : en
  • US1932227A - Stethoscope : en
  • DE586455C - Magnet system for loudspeakers with an armature that can be moved back and forth between different poles parallel to the pole faces and across the continuous flow with a small air gap : de en
  • GB400504A - Improvements relating to compressed air rotary engines : en
  • GB400952A - Improvements in or relating to coin-freed apparatus such as telephone paystations : en
  • AT135104B - Suspension device for the horn of vehicles. : de en
  • AT135101B - AC chime. : de en
  • US1931890A - Photographic camera : en
  • AT134991B - Process for the production of oxyethers of cellulose, especially benzyl cellulose. : de en
  • DE586810C - Circuit arrangement for dialers with free choice who prepare for free outgoing lines : de en
  • GB400528A - Method of and means for finishing photographs : en
  • CA336670A - Car loading device : en fr
  • DE587028C - Drive with electric elevator : de en
  • FR753746A - Braun tube, specially intended for television : en fr
  • AT135164B - Variable capacitor. : de en
  • DE586858C - Discharge device with ring plate and scraper : de en
  • US1932210A - Indicator : en
  • US1932043A - Light meter : en
  • CA336635A - Photographic method : en fr
  • US1931713A - Wall and ceiling construction : en
  • US1931936A - Liquid dispensing and measuring device : en
  • US1932205A - Resilient power transmission device : en
  • US1932016A - Air shutter for double gas range burners : en
  • AT135149B - Turning game. : de en
  • US1931495A - Friction shock absorbeing mechanism : en
  • US1931706A - Liquid seal for impeller shafts of centrifugal and rotary pumps : en
  • US1931705A - Variable stroke engine : en
  • US1931859A - Process for the recovery of organic acids from oxidized nonaromatic hydro carbons : en
  • CA336508A - Combination bathtub and heater : en fr
  • CA336529A - Collar : en fr
  • DE586640C - Process for firing enamel goods in continuous operation : de en
  • FR753705A - Boiler tube piercing device : en fr
  • FR753906A - : fr
  • US1932186A - Production of refined hydrocarbon oils : en
  • FR753933A - : fr
  • US1932197A - Box : en
  • AT135125B - Machine with circular oscillating Roots. : de en
  • US1932052A - Machine for inserting articles in envelopes : en
  • AT135175B - Electric lighting system. : de en
  • CA336595A - Indicator : en fr
  • US1932045A - Tool box cabinet : en
  • US1932119A - Apparatus for electric welding : en
  • US1932191A - Pneumatic tire and rim : en
  • US1931520A - Brake lining applier : en
  • US1931923A - Vulcanizing apparatus : en
  • AT134955B - Method and device for producing seamless tubes. : de en
  • AT135035B - Utility car made of iron, steel or other sheet metal. : de en
  • AT135066B - Bag filling machine. : de en
  • US1932009A - Wire clamp : en
  • AT135148B - Potato planter. : de en
  • US1931784A - Small electric motor : en
  • CA336580A - Rubber preserving method : en fr
  • DE586910C - Row armchairs with folding seats for theaters and showrooms : de en
  • CA336652A - Acid concentrating process : en fr
  • CA336524A - Carbureter : en fr
  • US1932203A - Joint or seam construction for drier felts and the like : en
  • US1931594A - Continuous coking still : en
  • US1931671A - Collar pin : en
  • US1931847A - Manufacture of benzanthrone : en
  • US1931831A - Electron valve with subdivision of the system supports affording heat protection : en
  • DE586579C - Storage for spindles : de en
  • DE586955C - Loom with automatic replacement of the shuttle : de en
  • US1931892A - Process of making alpha dehydrated flour mixture : en
  • CA336554A - Viscose manufacture : en fr
  • US1932258A - Surgical electrode : en
  • GB400241A - Improvements in electric conductor wires particularly for use as wireless aerials : en
  • US1931805A - Window netting with rolling up device : en
  • CA336577A - Thermostatic circuit controller : en fr
  • DE586398C - Sewing machine with electric motor drive : de en
  • FR753934A - : fr
  • FR754048A - : fr
  • GB400553A - Inking roller drive for platen printing presses wherein the inking rollers revolve round the printing form : en
  • CA336513A - Turbine for filling bags : en fr
  • US1932057A - Record core : en
  • US1932102A - Electric illuminating device : en
  • US1931882A - Boring tool : en
  • US1932199A - Door operating mechanism : en
  • US1932256A - Water spout support and cap : en
  • US1932321A - Gas burner : en
  • AT135044B - Electric resistance furnace with ceiling heating. : de en
  • FR753780A - Device for electric heating of railway cars : en fr
  • FR753802A - Method for producing templates for engraving or copying devices : en fr
  • FR753701A - Hollow reinforced concrete floor : en fr
  • GB400377A - Improvements in or relating to vehicle bodies : en
  • GB400403A - Improvements relating to the fuel supply to carburettors for internal combustion engines : en
  • GB400425A - Improvements in and relating to appliances for games : en
  • US1931790A - Receiving recorder : en
  • US1931717A - Method of making high-grade borehole casings : en
  • US1932035A - Amusement device : en
  • US1932308A - Electrical steel : en
  • GB400255A - Improvements in or relating to hermetically sealed tins and other containers, and a method of sealing the same : en
  • AT135076B - Frames for holding photographic films. : de en
  • US1931782A - Corn combine : en
  • US1931501A - Production of alcohols : en
  • US1931901A - Cone brake : en
  • CA336656A - Saw blade : en fr
  • DE586549C - Valveless fuel injection pump : de en
  • DE586767C - Ball joint : de en
  • FR753710A - Machine for making ravioli and other similar stuffed pasta : en fr
  • GB400476A - A flash light lamp : en
  • US1932140A - Flier wire : en
  • US1931725A - Method of treating refined petroleum products : en
  • US1932012A - Hygrometric apparatus : en
  • US1932166A - Thrust bearings for chippers : en
  • US1932310A - Rim lock for motor vehicle wheels : en
  • DE586547C - Liquid level indicators, especially for aircraft fuel tanks : de en
  • US1931648A - Push-pull amplifier : en
  • FR753877A - : fr
  • DE586011C - Denture articulator : de en
  • GB400559A - Improvements in and relating to pocket knives and the like : en
  • DE586586C - Manufacture of sulfuric acid : de en
  • FR754049A - : fr
  • GB400470A - Improvements in casings or cowlings for air-cooled engines : en
  • AT135157B - Device for raising and depositing tree trunks u. like : de en
  • AT135161B - Tuning device, consisting of a mechanically coupled variable capacitor and variable self-induction. : de en
  • DE586582C - Process for the production of artificial leather from fabrics covered with rubber : de en
  • US1931662A - Insect exterminator : en
  • US1932300A - Door frame : en
  • US1931579A - Multiple coin separator : en
  • US1931759A - Briquetting machine : en
  • USD90922S - Design for an article of food : en
  • FR753739A - Improvements in nozzles for vacuum cleaning devices : en fr
  • AT135146B - Roller bearing. : de en
  • US1931592A - Electric cable : en
  • US1931679A - Closure means for pressure containers : en
  • US1932010A - Line tap connecter : en
  • US1931582A - Sash balance : en
  • US1932182A - Cook stove : en
  • US1932311A - Process of producing music : en
  • AU966332A - An improved flush valve for sanitary purposes : en
  • CA336574A - Engine starter : en fr
  • DE586509C - Cross bearing combined from sliding blocks and rollers or balls : de en
  • DE586716C - Forming device for raw cement : de en
  • FR753946A - : fr
  • FR753979A - : fr
  • US1931721A - Washing machine : en
  • US1932093A - Method of and apparatus for resolving oil-water suspensions and loose emulsions : en
  • US1932348A - Combination check valve and union : en
  • DE586762C - Method for measuring the fat content of milk : de en
  • DE586572C - Process for making pottery : de en
  • DE586696C - Device for rapid determination of the water content of solid substances : de en
  • FR753840A - : fr
  • GB400234A - Improvements in or relating to the conversion of distillates obtained from coal and the like into products of lower boiling point : en
  • AT135041B - Utility car made of iron, steel or other sheet metal. : de en
  • AT135010B - Flycatcher. : de en
  • DE567025C - Resistance to the simultaneous and opposite regulation of electric motors working in pairs : de en
  • DE587001C - Process for converting lead and other metals contained in lead ores into soluble salts : de en
  • FR753782A - : fr
  • US1931478A - Combined gas and oil burner : en
  • USD90927S - Design for a game device : en
  • FR753816A - Improvements in the molding of concrete or other plastic structures : en fr
  • GB400432A - Arrangement of the driving motor in power-vehicles : en
  • GB400309A - Improvements in or relating to observation or gauge glasses, tubes, or the like : en
  • GB400544A - Improvements relating to cylindrical bearings, including connecting-rod big end bearings : en
  • FR753916A - : fr
  • FR753943A - : fr
  • US1931700A - Handling glass sheets : en
  • DE586837C - Triggering and locking device for actuating electrical recorders, protective relays or the like. Serving drives : de en
  • FR754028A - : fr
  • US1931630A - Four-electrode tube : en
  • US1931928A - Aircraft aerofoil : en
  • FR754034A - : fr
  • GB400430A - Improvements relating to the driving gear for reciprocating piston engines particularly internal combustion engines : en
  • CA336669A - Radio receiving system : en fr
  • DE586942C - Shoe with ventilation channels between the cap and shaft blade : de en
  • US1932284A - Alarm clock : en
  • US1931616A - Fire kindler : en
  • US1932129A - Filling feeler for looms : en
  • US1932299A - Brake mechanism : en
  • FR753794A - Call and sensor for winged insects acting by non-luminous radiation : en fr
  • US1931778A - Pendulum solenoid motor : en
  • US1931527A - Beer pipe cleaning apparatus : en
  • US1932250A - Method of and apparatus for thawing pulpwood prior to drum barking : en
  • US1931935A - System of cooling and heating oil : en
  • US1932371A - Mechanical pencil : en
  • GB400261A - Improvements relating to knee and column milling and like machines : en
  • GB400275A - Improvements in or relating to photophones : en
  • CA336556A - Food product : en fr
  • GB400248A - Improvements in or relating to the production of discharge effects on materials made of or containing cellulose esters or ethers : en
  • AT135077B - Method for controlling and monitoring electrical distribution networks. : de en
  • US1931777A - Gas-pressure regulator : en
  • US1932347A - Beta-alkyl-amino compounds of mono-hydroxy-phenyl-ethanols and process of producing same : en
  • FR753942A - : fr
  • US1932187A - Mining machine : en
  • US1932120A - Artificial gypsite : en
  • GB400506A - Improvements in recording tachometers : en
  • DE586801C - Process for the production of concentrated acetic acid : de en
  • DE586648C - Press for embossing stereotype matrices : de en
  • US1932323A - Sole sticking press : en
  • DE586666C - Electrical contact made of difficult-to-melt metals, especially for vacuum interrupters : de en
  • DE586674C - Method and device for separating solid combustion residues from flue gases using a water curtain : de en
  • FR753749A - Banana shaped electrical contact plug, with great effect : en fr
  • AU967432A - Improvements in or relating tothe burning of pyrites, or iron sulphide, andthe production of iron oxide, sulphur, and sulphur dioxide : en
  • CA336632A - Telephone system : en fr
  • CA336551A - Spraying apparatus : en fr
  • US1932220A - Calculating machine : en
  • DE586686C - Cutting device for wallpapering devices : de en
  • FR753709A - Camera particularly intended for the realization of color views by the two-color and three-color processes : en fr
  • US1931605A - Windshield cleaner : en
  • GB400576A - Improvements in or relating to rotary hammers : en
  • DE586968C - Protective grille for ironers : de en
  • DE586811C - Oil-filled cable system : de en
  • FR753921A - : fr
  • US1932200A - Apparatus for treating plastic material and timing mechanism therefor : en
  • DE586876C - Washing machine : de en
  • DE586936C - Sewing machine with safety clutch : de en
  • GB400637A - Improvements relating to step ladders, show stands and other collapsible structures comprising steps, shelves, or ledges : en
  • US1932216A - Toy figure : en
  • US1932361A - Backing material : en
  • DE586992C - Process for regulating or keeping constant the radiation intensity in X-ray recording devices : de en
  • FR753907A - : fr
  • US1931666A - Joint : en
  • US1932096A - Grain wheel for harvester threshers : en
  • USD90919S - Design for a combined pendulum : en
  • DE586794C - Straw schuettler covering made of sheet metal : de en
  • DE586859C - Automatic mediation to pneumatic tube systems : de en
  • FR753983A - : fr
  • GB400328A - Improvements in or relating to electromagnetic selectors as used in automatic or semi-automatic telephone systems : en
  • GB400396A - Apparatus for preventing damage by explosion and fire due to liquid fuels in containers : en
  • US1931523A - Draft rigging : en
  • US1931819A - Mixed fertilizer : en
  • US1932247A - Method and apparatus for the carrying out of catalytic reactions : en
  • US1931950A - Superregenerative receiver : en
  • US1931868A - Vacuum and pressure tubing : en
  • DE586613C - Flow meter for gases and liquids : de en
  • DE586896C - Disc commutator, especially for electrical machines : de en
  • FR753777A - Body clothing : en fr
  • FR753893A - : fr
  • FR754007A - : fr
  • AT135012B - Cleaning and sorting system for grain. : de en
  • CA336573A - Engine starter : en fr
  • US1931747A - Counterbalance for flywheels : en
  • US1931826A - Compound of the carbazole-3.6-disulphonic acids series : en
  • DK47906C - Electric Animal Trap. : da en
  • CA336601A - Condenser insulator : en fr
  • AT134956B - Puller for razor blades. : de en
  • AT135002B - Method and device for concentrating aqueous solutions of volatile fatty acids. : de en
  • US1931767A - Copyholder : en
  • AT134963B - Device for gas analysis by measuring the thermal conductivity, especially for flue gases. : de en
  • DE586615C - Device for printing block slips etc. like : de en
  • DE586988C - Electromagnetic oscillating device for alternating current to drive massage machines, striking tools, etc. like : de en
  • CA336558A - Shirt : en fr
  • FR753864A - : fr
  • GB400448A - A mechanical optical illusion toy : en
  • DE581597C - Arrangement for determining the moisture content of lengths of fabric : de en
  • FR753833A - : fr
  • US1931556A - Thread trimmer for buttonhole sewing machines : en
  • IE13330L - Purifying liquified gases : en