• US2189723A - Hydrogen ester salts of glucosides and process for preparing the same : en
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  • US2189548A - Remote control : en
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  • US2188921A - Process of making refractories : en
  • US2189077A - Automatic phonograph : en
  • US2189637A - Branding machine : en
  • US2188936A - Method of developing wells : en
  • US2189298A - Optical system : en
  • CA386673A - Power transmission device : en fr
  • CA386763A - Winding machine roll : en fr
  • CA386714A - Suction cleaner : en fr
  • US2189306A - Public address stabilizing system : en
  • USD118912S - Design for a hat : en
  • DE687763C - Device for the production of beverages, e.g. B. Coffee : de en
  • US2189573A - Riveting tool : en
  • DE687871C - Electromechanical impedance for wave filters : de en
  • US2188908A - Process for coagulating proteins in liquor : en
  • US2189285A - Stereoscopic viewing device : en
  • US2189516A - Inclinometer : en
  • CA386720A - Statistical card : en fr
  • AU109716B2 - Super-regenerative detector circuit : en
  • US2189185A - Drill cultivator : en
  • US2189037A - Reamer : en
  • US2189060A - Typewriting machine : en
  • US2189639A - Differential time-reckoning device : en
  • US2189739A - Car construction : en
  • USD118879S - Design fob a lady s coat : en
  • US2189144A - Chocolate and method of making same : en
  • US2189231A - High temperature terminal connector for radiant heater elements : en
  • US2189641A - Coin-controlled astrological machine : en
  • IE15978L - Fining beer : en
  • US2189120A - Cooler for agglomerated material : en
  • US2189073A - Vibrator roller for printing presses : en
  • US2189494A - Refrigerating apparatus : en
  • US2189098A - Matrix-setting and type linecasting machine : en
  • US2188962A - Inkstand : en
  • US2189400A - Automatic telephone system : en
  • AU109677B2 - Attachment to internal combustion engine for supplying compressed air : en
  • US2189036A - Reamer : en
  • US2189455A - Radio set : en
  • GB517800A - Improvements in or relating to liquid containers and pouring means therefor : en
  • DE687555C - Process for the production of amino alcohols : de en
  • GB517679A - Improvements in and relating to cooling of the cylinders of air-cooled internal combustion engines : en
  • AT157939B - Process for the production of very hard materials. : de en
  • AT157944B - Process for the preparation of soluble metal fluorides, in particular beryllium fluoride. : de en
  • GB517628A - Method of preparing silver halide geltine emulsions for the silver dyestuff bleach-out process : en
  • AU41139A - A radio receiver comprising piezoelectric crystals used with polarised light : en
  • AU44239A - Improvements in and relating to electrically heated ovens : en
  • US2189168A - Conveyer for baking ovens : en
  • US2189148A - Opacifier : en
  • USD118854S - Design foe : en
  • GB517664A - Improvements in and relating to advertising, display or similar devices : en
  • US2189376A - Method of producing aluminium oxide from aluminiferous raw materials : en
  • AT157852B - Fluid transmission. : de en
  • US2189423A - Surge filter for pulsating gases : en
  • USD118894S - Design for an electrical connector : en
  • AU109728B2 - Improvements in or relating to electric discharge tubes having secondary emission electrodes : en
  • DE687810C - igt gases with a low boiling point in compressed gas : de en
  • DE687986C - Injection molding machine for plastic masses : de en
  • GB591133A - Improvements in electric control systems : en
  • US2189044A - Printing mechanism for tabulating machines : en
  • USD118915S - Design for a dress : en
  • DE675595C - Ball game in connection with a counter : de en
  • US2188974A - Camera : en
  • US2189300A - Tuning indicator circuit : en
  • AU109720B2 - Improvements in thermionic cathodes : en
  • US2189104A - Record printing plate for addressing machines : en
  • US2189015A - Grinder : en
  • US2189227A - Door latch : en
  • AU109733B2 - Improvements in or relating tothe production of milk powders chocolates and similar products : en
  • USD118811S - Design for a waffle iron : en
  • AU109700B2 - Shading device for windows andthe like : en
  • DK57237C - Process for the production of metals or alloys by smelting metallic conglomerates. : da en
  • GR8752B - SYNTHETIC OILS AND VARNISHES OF BUILDINGS. : el en
  • GB517753A - Improvements in lathes or like machine tools : en
  • US2189477A - Card game : en
  • US2189229A - Atomizer : en
  • US2189320A - Electro-optical device : en
  • US2189264A - Ferroprussiate photoreproduction : en
  • US2189607A - Table for automobiles : en
  • CA386668A - Bicycle guard : en fr
  • CA386776A - Railway vehicle spring : en fr
  • DE687875C - Potato pantry : de en
  • US2189413A - Garment belt : en
  • DE654624C - Quick connection for radial and, if necessary, axial clamping by means of threadless profiled clamping bolts : de en
  • DE673918C - Device for displaying the fuel mixture ratio in internal combustion engines : de en
  • GB517771A - Improvements in or relating to refrigerating apparatus for display-windows and the like : en
  • CA386754A - Thermostatic valve : en fr
  • CA386661A - Fastener : en fr
  • CA386675A - Integument treating apparatus : en fr
  • DE687817C - : de en
  • GB517695A - Improvements in or relating to centrifugal pumps : en
  • GB517819A - Improvements relating to timepieces : en
  • US2189203A - Tire buffer : en
  • GB517622A - Improvements in or relating to electric circuit-breakers having arc-control devices : en
  • DE688037C - Dryer with a circulating, permeable conveyor belt for treating stalky or leafy agricultural products : de en
  • DE687590C - Device for generating ultra-short waves : de en
  • US2189146A - Apparatus for cooling and degasifying liquids : en
  • US2189616A - Combination smoking pipe, cigarette holder, and saliva trap : en
  • US2189500A - Motion picture camera : en
  • USD118829S - Design for a vibrator : en
  • US2189233A - Disappearing door structure : en
  • US2189173A - Recovery of gaseous diolefins : en
  • US2189488A - Process of separation, by floating, of ammonium chloride from its mixture with alkaline salts : en
  • US2189608A - Fold pack : en
  • USD118887S - Design fob a finger ring or similar : en
  • US2189606A - Welding system : en
  • US2189738A - Film smoother : en
  • US2189422A - Combined drilling and tapping machine : en
  • GB517730A - Improvements in mercury tube switches : en
  • DE687957C - Process for rectifying or distorting images : de en
  • DK57249C - Automatic Switching Center for branched Transport Systems. : da en
  • DE687781C - Process for applying fusible substances to carriers such as paper, cardboard, textiles, metal strips, glass plates and other absorbent or non-absorbent substrates : de en
  • GB517833A - Improvements in or relating to the coating of articles with phenolformaldehyde resins and the articles thus coated : en
  • DE687917C - Sliding gate : de en
  • US2189095A - Cymbal : en
  • US2189577A - Episcope : en
  • US2189649A - Eraser attachment for typewriters : en
  • USD118871S - Design for a medal or the like : en
  • US2189009A - Unbalanced splice bar with balanced ratios : en
  • US2189333A - Computing device : en
  • US2188973A - Automatic electrical control device : en
  • US2189559A - Hat : en
  • GB517809A - Improvements in or relating to belts for personal wear : en
  • DE681209C - Aileron controls for aircraft : de en
  • DK57226C - Line ejection mechanism for Matrix Set and Line Casting Machines. : da en
  • GB517820A - A method of producing soluble benzyl ether of dextran : en
  • CA386699A - Cathode ray tube : en fr
  • US2189090A - High frequency signaling cable : en
  • US2189666A - Depolarization of primary cells : en
  • DE686654C - Process for refining hydrocarbon oils by dewaxing : de en
  • DE688009C - Cylindrical gripping drill : de en
  • US2189337A - Cellulose derivative compositions : en
  • GB517733A - Improvements in coin freed time controlled apparatus for the delivery of commoditiesand for other purposes : en
  • US2189222A - Apron control for carrying scrapers : en
  • DE687852C - Support channel with removable mouthpiece : de en
  • AT157851B - Process for the production of luminous material for cathode ray screens u. like : de en
  • US2189008A - Ventilating device : en
  • US2189151A - Cardboard box construction : en
  • US2189735A - Resin bonded abrasive article : en
  • US2189403A - Hydraulic brake system : en
  • GB517791A - Improvements in and relating to self-priming centrifugal pumps : en
  • AU109725B2 - Blood transferring instrument for transfusion operations : en
  • DE688032C - Process for the manufacture of containers : de en
  • US2188970A - Electric timing system : en
  • US2189267A - Intercommunicating system : en
  • US2189006A - Molding of sheet material : en
  • US2188900A - Light sensitive paper and sensitizing composition therefor : en
  • DE688004C - Limit switch for hoists or trolleys : de en
  • DE687846C - Hair clipper : de en
  • DE687791C - Electric switch with arc extinguishing by flowing pressurized gas : de en
  • US2189633A - Speed regulator : en
  • US2189523A - Sprinkler head shut-off device : en
  • US2189563A - Condensation of formaldehyde with urea and phenylthiourea : en
  • USD118820S - Design fob a clamp-ammeter : en
  • US2189450A - Cracker or wafer holder : en
  • US2188930A - Metal cleaning process : en
  • US2189715A - Connector yoke for flashlights : en
  • US2189433A - Blind stitch sewing machine : en
  • USD118872S - Design fob a fountain pen : en
  • USD118888S - Design fob a brooch or similar : en
  • USD118903S - Design fob a comfortable : en
  • DE687744C - Release device for photographic shutters : de en
  • DE687992C - Method of making multicolor images : de en
  • CA386678A - Brick press : en fr
  • DE687865C - modulated telecommunications carrier currents : de en
  • GB625406A - Improvements in or relating to radio transmitters : en
  • US2189448A - Liquid dispensing system : en
  • US2189056A - Means for attaching a union nut or the like to the end of another member : en
  • US2189236A - Ullage rod : en
  • CA386778A - Railway car truck : en fr
  • AT157865B - Collapsible tent that can be used as a handbag. : de en
  • AT157871B - Ratchet controls for gang saws. : de en
  • GB517712A - Improvements in or relating to brakes for motor vehicle wheels : en
  • AT157941B - Process for the production of genuinely dyed fibers. : de en
  • US2189283A - Beacon aerial : en
  • US2189740A - Vending machine : en
  • AU57739A - Hinge and pillar construction for vehicle doors : en
  • GB517742A - Improvements in or relating to the production of titanium dioxide pigments : en
  • US2189121A - Apparatus for handling thread or the like : en
  • USD118899S - Design for a textile fabric or : en
  • DE687821C - Process for the production of roasted bread slices topped with meat : de en
  • DE687826C - Resilient seat for vehicles, in particular motor vehicles : de en
  • US2189436A - Collapsible container : en
  • GB517615A - Improvements in and relating to collapsible or portable buildings, fences, walls andother architectural structures : en
  • US2189382A - Air conditioning system : en
  • GB517652A - Improvements in hats : en
  • US2188982A - Method of decomposing oil to olefins : en
  • US2189709A - Electric steaming iron : en
  • GB517843A - Improvements in or relating to conveyor mechanisms : en
  • US2188951A - Insecticide : en
  • US2189103A - Testing tool for wells : en
  • US2189154A - Templet : en
  • DE687947C - Driver for turning workpieces between centers : de en
  • AT157911B - Electrical cable system with cables pulled into pipes made of ceramic or glass pipes. : de en
  • US2188953A - Pulley assembly : en
  • US2189480A - Emergency door opening tool : en
  • DE687804C - Crank device for a vertically movable window : de en
  • GB517663A - Production of moulded slabs or the like for insulating purposes : en
  • GB517662A - Improvements in apparatus for use in gold-blocking or embossing leather, leather cloth, paper and like materials : en
  • GB517715A - Improvements in or relating to illuminating devices : en
  • GB517832A - Improvements in and relating to trolley retrievers for trolley buses, tramcars and other vehicles employing collectors in contact with an overhead wire : en
  • GB517857A - Improvements in and relating to plain or satchel bag-making machines : en
  • DE687976C - t self-locking nut : de en
  • US2189230A - Centrifugal contacting apparatus : en
  • CA386745A - Oil well treating process : en fr
  • US2189336A - Dump car : en
  • US2189658A - Vapor lock eliminator : en
  • US2189054A - Casting zinc alloy : en
  • US2189349A - Mud pump piston : en
  • USD118863S - Design fob a combined gtjn barbel : en
  • US2189126A - Floor for refrigerator cars : en
  • US2189647A - Process for treating mineral oils : en
  • US2189540A - Seam soldering machine for radiator headers : en
  • US2189386A - Railway car construction : en
  • US2189507A - Electric controlling apparatus : en
  • USD118834S - Design for a clock case : en
  • DE687760C - Arrangement for regulating the modulation of gas or vapor discharge paths for high operating voltages : de en
  • GB517747A - Manufacture of aminohydrazines : en
  • US2189686A - Combination fluid seal and bearing : en
  • US2189615A - Roller bearing arrangement : en
  • US2189322A - Photoelectric cathode : en
  • GB517744A - Improvements in or relating to apparatus for catalytic reactions : en
  • GB517789A - Improvements relating to trailing or drag devices used with trawl nets : en
  • DE687732C - Garden roofing : de en
  • DE687793C - Direct current generator, especially welding generator : de en
  • GB517827A - Improvements in or relating to platen printing presses and like platen machines : en
  • GB517787A - Improvements in or relating to receptacles in the form of bags, pouches or the like : en
  • US2189019A - Overhead door construction : en
  • USD118856S - Design fob a combined workbench : en
  • GB517671A - Improvements in or relating to thermionic valves and circuit arrangements therefor : en
  • GB517710A - Improvements relating to hoppers or feed opening contrivances through which household refuse or other materials can be disposed of : en
  • IE15501L - Electric furnace for heating liquids : en
  • US2189538A - Hat holder : en
  • DE687892C - Braking device, especially for motorcycles : de en
  • DE687921C - Enlarger : de en
  • DE687369C - : de en
  • US2189572A - Process for fractionating resinous products : en
  • GB625407A - Improvements in or relating to radio transmitters : en
  • GB517612A - Improvements in or relating to the preparation of emulsions : en
  • USD118841S - Design fob a food warmer or sim : en
  • CA386693A - Electric incandescent lamp : en fr
  • US2188994A - Apparatus for automatically making and assembling filing cards : en
  • US2189452A - Tool : en
  • US2189650A - Fabric inspection device : en
  • DE687936C - Device for pre-drying the material to be ground fed to a fuel mill : de en
  • GB517672A - Manufacture of acid-proof mortars : en
  • GB517770A - Improvements relating to pattern chains : en
  • US2189265A - Manufacture of gasolinelike hydrocarbons : en
  • US2189341A - Container cutter : en
  • US2189549A - Antenna switching system : en
  • US2189713A - Handling tool : en
  • US2188965A - Weighing scale : en
  • US2188911A - Wheel cover disk : en
  • US2188988A - Slug casting machine : en
  • US2189254A - Display rack : en
  • DE687737C - Air chamber for two-chamber compressed air fluid conveyors : de en
  • GB517703A - Improvements relating to dry shaving devices : en
  • GB517790A - Improvements in supports for the saddles of cycles : en
  • GB517850A - Improvements in and relating to work-holders for milling and like machines : en
  • GB517779A - Improvements in or relating to hot plates : en
  • GB517807A - Improvements in wrist watch cases : en
  • GB517682A - The manufacture of new therapeutically active compounds : en
  • US2189177A - Drawer mechanism for cash registers : en
  • USD118870S - Design for a box or similar : en
  • US2188954A - Projection apparatus : en
  • DE687945C - Detachable rope attachment to rope drums : de en
  • DE688040C - Device for switching off part of a pressure medium ring line : de en
  • GB517782A - Improvements in or relating to lathes and like machine tools : en
  • DE687993C - Process for the stretch-free transfer of pigment paper to plates or rollers for gravure printing : de en
  • DE687803C - Quick release by means of a plug screw, in particular : de en
  • DK57234C - Wardrobe rack. : da en
  • GB517739A - Process of manufacturing felt base floor coverings : en
  • US2189358A - Diode oscillator tube construction : en
  • US2189524A - Magneto rotor construction : en
  • USD118889S - Design fob a textile fabric : en
  • US2189159A - Connecting cleat for structural elements : en
  • US2189575A - Tubing support : en
  • GB517775A - Aircraft construction : en
  • AU36539A - Improvements in and relating tothe ventilation of buildings : en
  • US2189675A - Fuel distributing device : en
  • DE687983C - : de en
  • DE687954C - Electromagnetic reversing switch for three-phase motors : de en
  • US2189099A - Drying system for seed cotton : en
  • AT157885B - Arrangement of gas generating systems on vehicles. : de en
  • US2189089A - Truck : en
  • US2189324A - Control valve : en
  • US2189353A - Power-transmission system for electrically driven trains : en
  • US2189461A - Electronic tube circuits : en
  • DE688002C - Schedule controller, especially for electrical power plants : de en
  • GB517683A - Improved electric batteries : en
  • CA386760A - Railway traffic controlling apparatus : en fr
  • GB625884A - Improvements in vacuum electric tube devices : en
  • US2189100A - Gear mounting : en
  • DE687743C - Method for radio interference suppression of electrical alarm clocks with alternating current operation : de en
  • US2189673A - Labeling machine : en
  • GB517693A - Improvements in or relating to the manufacture of hollow rubber articles : en
  • AT157900B - Discharge tube. : de en
  • CA386768A - Photoelectric tube : en fr
  • AT157934B - Method and device for determining the deviation of the approximate parallel position and for finding the nadir points of aerial photographs. : de en
  • CA386710A - Foundation garment : en fr
  • GB517749A - Improved fastening means for the straps or bands of wrist watches : en
  • CA386751A - Constant potential transformer : en fr
  • US2188898A - Variable speed impact machine : en
  • DE688015C - Electrically heated tub oven : de en
  • GB517645A - Arrangement of circuit breakers for automatically reconnecting electrical networks : en
  • DK57248C - Device by Trækar. : da en
  • US2189513A - Apparatus for distributing sewage over a filter bed : en
  • DE687962C - Rolling mill bearings with synthetic resin inserts : de en
  • GB517763A - Improvements in or relating to straight-bar knitting machines : en
  • US2189246A - Grinding machine attachment : en
  • US2189155A - Radio antenna construction : en
  • AT157857B - Method and device for producing cross bottoms on paper tubes fed in transversely. : de en
  • AU35939A - Stilbene derivatives : en
  • AU163439A - Improved apparatus for calculating and indicating prospective totalisator dividends or odds : en
  • DE687990C - Oil filters, especially for motor vehicle engines : de en
  • DE688000C - Device for hardening steel wires : de en
  • GB517665A - An improved surgical syringe : en
  • GB517694A - Improvements in or relating to the manufacture of hollow rubber articles : en
  • AU109694B2 - Improvements in or relating to means for launching torpedoes : en
  • DE687772C - Process for copying foot titles into color film tapes : de en
  • US2188895A - Stable zein solution : en
  • US2189161A - Sound reproducing apparatus and a wiring circuit therefor : en
  • AU109737B2 - Improvements in or relating to wireless receivers with motordrive orthe tuning members : en
  • US2188907A - Drying solutions containing lactose : en
  • US2189310A - Remote control receiver : en
  • US2189406A - Vehicle body : en
  • CA386698A - Television apparatus : en fr
  • GB517705A - A new or improved means for winding paper webs on to spools : en
  • GB517815A - Improvements in rectifiers for supplying d.c. voltage to a radio-receiving set from an a.c. supply : en
  • AT157883B - Control device for injection systems of internal combustion engines. : de en
  • USD118878S - Design for a puffed and embroidered : en
  • GB517778A - Improvements in and relating to links for chain grate stokers for boiler furnaces and the like : en
  • AT157889B - Shaft coupling. : de en
  • AT157913B - Process for gilding grids for discharge tubes. : de en
  • DE687958C - Wrapping device for endless films : de en
  • GB517731A - Improvements in and relating to aluminium alloys : en
  • US2189363A - Process and apparatus for working up nitrous gases to nitric acid : en
  • US2189163A - Air-start means for internal combustion engines : en
  • DE688008C - Process for feeding the pressed material in the Ringwa process : de en
  • US2189620A - Tube for measuring voltages : en
  • AU109672B2 - Golf shaft : en
  • US2189201A - Gusseted fitting : en
  • AT157945B - Process for the production of pelts ready for tanning. : de en
  • AT157927B - Extrusion press for the production of profiles with changing cross-sections. : de en
  • AU574238A - Improvements relating to systems of remote control of electrical substations : en
  • AT157932B - Slicing machine with a swing table guided by a vertical parallelogram handlebar. : de en
  • US2189316A - Signal transmitting and receiving system : en
  • US2189657A - Feed mechanism for sewing machines and the like : en
  • GB517640A - Improvements in or relating to the production of pigmented bases for the production of lacquers, plastics and the like : en
  • GB517701A - Improvements in or relating to telegraph transmitters : en
  • DE687778C - Drive of meat cutting machines : de en
  • US2189638A - Hot cathode vacuum tube : en
  • US2188946A - Container closure : en
  • US2189014A - Brake mechanism : en
  • DE687896C - position : de en
  • US2189199A - Spacing apparatus : en
  • US2189277A - Means for patching veneer : en
  • US2189499A - Engine control mechanism : en
  • US2189435A - Spark plug : en
  • US2189508A - Combination incandescent and ultraviolet lamp : en
  • US2189680A - Gear shifting mechanism : en
  • US2189243A - Automatic overhead proofer : en
  • CA386753A - Railway car : en fr
  • CA386715A - Suction cleaner : en fr
  • DE687787C - Braun tubes for television purposes : de en
  • DE688028C - silencer for internal combustion engines : de en
  • US2189622A - Heater terminal block : en
  • AU46539A - An attachment for milling machines to facilitate precision reproduction or duplication of articles or templates : en
  • CA386697A - Ceramic-to-metal seal : en fr
  • GB517755A - Improvements in or relating to morticing apparatus : en
  • US2189296A - Labeling machine : en
  • CA386756A - Bobbin stripper : en fr
  • DE687955C - Short-circuit braking circuit for two or more DC motors with compensation resistor and cross-connection of the motor armature and the series windings : de en
  • DE687747C - Device for distributing liquids : de en
  • AU109659B2 - Stilbene derivatives : en
  • AU109715B2 - Improvements in or relating to interconnecting arrangements for open wire lines : en
  • DE687749C - Sucker for sheet feeders of printing machines or the like. : de en
  • DE687942C - Handpiece for dental drills with a rotating body designed clamping sleeve for the tool : de en
  • DK57233C - Outflow nozzle for smelting furnaces, in particular for the manufacture of wires of glass and similar fabrics. : da en
  • DK57227C - Coupling to electric Switch and Signal drives. : da en
  • US2189250A - Purification of gas : en
  • DE687975C - Electrically, gas- or oil-heated, automatic and uninterrupted immersion bath furnace for bright annealing, hardening, tempering or cementing of iron and metal bulk goods : de en
  • US2189318A - Electron multiplier tube : en
  • US2189603A - Control system : en
  • USD118880S - Design for a textile fabric : en
  • DE687927C - Landing hook for aircraft : de en
  • AT157890B - Method for operating injection internal combustion engines. : de en
  • DE688022C - Clamping web for sheet-shaped carriers with optical sound recordings : de en
  • DE688045C - Anode-neutralized amplifier arrangement for short waves of high power by means of a tube simulation : de en
  • US2189338A - Cellulose derivative composition : en
  • GB517816A - Improvements in and relating to adhesives : en
  • DE687776C - Adjustment device for liquid dispensers : de en
  • US2189293A - Nonshattering glass : en
  • USD118813S - Design for a combined napkin dis- : en
  • CA386717A - Suction cleaner : en fr
  • US2189565A - Paint skimmer : en
  • US2188902A - Starting system for internal combustion engines and the like : en
  • US2189374A - Apparatus for forming three dimensional images : en
  • US2189426A - Tractor mounted crane : en
  • US2189484A - Apparatus for cleaning poultry and the like : en
  • US2189360A - Fly swatter : en
  • US2188972A - Device for operating on shoes : en
  • GB517757A - Improvements relating to looms with automatic weft replenishment : en
  • GB517838A - Improvements in and relating to high tension transformers : en
  • US2189390A - Refrigerator : en
  • AT157861B - Roof cover. : de en
  • GB517766A - Improvements in or relating to train describing equipment : en
  • CA386772A - Corrosion preventing means for water heating equipments : en fr
  • US2189004A - Apparatus for necking in the ends of containers : en
  • US2189046A - Printing mechanism : en
  • USD118847S - Design fob an exercising apparatus : en
  • US2189491A - Contacting process and apparatus : en
  • US2189659A - Gang file : en
  • US2189105A - Box forming machine : en
  • US2189430A - Device for drying hair : en
  • US2189619A - Magnetic means for stirring mercury in an ignitron : en
  • US2189610A - Condenser bushing : en
  • US2189685A - Fluid seal : en
  • GB517661A - Hair waving and curling devices : en
  • GR8757B - SYNTHETIC OIL FOR COLORS. : el en
  • US2189425A - Surge filter for pulsating gases : en
  • DE687987C - Heating cylinder for injection molding machines for thermoformable masses : de en
  • DE688039C - Self-tie : de en
  • US2189544A - Machine for displaying and dispensing soap tablets or the like articles : en
  • US2189593A - Gas or vapor filled discharge tube : en
  • USD118883S - Design fob a textile fabric : en
  • GB517780A - Improvements in or connected with safety razors : en
  • DE688029C - Carburetors for internal combustion engines : de en
  • GB517844A - Improvements in and relating to starting devices for internal combustion engines : en
  • GB517743A - Improvements in electric discharge tubes comprising secondaryemission electrodes : en
  • US2189134A - Hydraulic brake : en
  • US2189653A - Control device : en
  • DE687841C - Contact arrangement for electrical high voltage devices : de en
  • GB517768A - Improvements in valve gear for pumps for concrete and the like : en
  • GB517840A - Improvements in or relating to radio aerial systems : en
  • US2189235A - Rotation indicating device : en
  • USD118843S - Design fob sun glasses : en
  • DE687885C - Front end chuck for turning and turret bars : de en
  • US2189188A - Back rest and pull-out for sliding couches : en
  • USD118869S - Design fob an anchor : en
  • US2189696A - Stylographic pen : en
  • DE687944C - Limit switch for separate or cooperating cranes on a common track : de en
  • US2189552A - Weight recorder : en
  • US2188904A - Method of producing metallic beryllium : en
  • DE687770C - Photographic duplicator : de en
  • GB517767A - Improvements in the manufacture of foam-generating substances : en
  • US2189092A - Apparatus for measuring the thickness of foils : en
  • US2189366A - Support for boots or the like : en
  • US2189693A - Foot adjuster : en
  • USD118812S - Design for a piano case : en
  • USD118911S - Design fob a dress : en
  • US2189721A - Dibenzyl hexahydro phthalate : en
  • DE687829C - : de en
  • US2189325A - Patient-operable hospital bed : en
  • DE687831C - Holding device on small electrical machines, in particular small grinding machines : de en
  • GB517688A - Improvements in or relating to packing machines : en
  • US2189361A - Dust screen valve mechanism : en
  • USD118816S - Design for an acrobat s headstand : en
  • USD118877S - Design fok a drill bit : en
  • AT157929B - Device for straightening pipes, round bars or the like. : de en
  • US2189055A - Book match shipping container : en
  • US2189191A - Method and apparatus for processing crude petroleum : en
  • AU109691B2 - Improvements in and relating to resin compositions : en
  • AU48139A - Improvements in or relating to wireless receivers with motordrive orthe tuning members : en
  • DE687805C - Device for attaching the tie to the collar button : de en
  • US2189327A - Storage battery construction : en
  • US2189522A - Production of polyazo dyestuffs and new industrial products resulting therefrom : en
  • DE687978C - very high frequency vibrations : de en
  • AT157854B - Rod-shaped electrical heating element for generating high temperatures. : de en
  • AU370739A - Improvement in liquid level control device for storage batteries : en
  • US2189566A - Coupling for tubes and pipes : en
  • US2189627A - Heavy duty snap-acting thermostat : en
  • GB517646A - Improvements in or relating to coke oven structure : en
  • US2189388A - Soundproof window construction for aircraft cabins : en
  • USD118836S - Design for a display card or sim : en
  • USD118860S - Design for a glider or the like : en
  • US2189392A - Counting mechanism : en
  • US2189156A - Joint : en
  • GB517687A - Improvements in and relating to refrigerator cabinets : en
  • GB517618A - Improvements in the recovery of phenols from oils and waste aqueous liquors : en
  • DE688014C - : de en
  • DE687850C - Process for the utilization of excess operating liquors from the hard salt or potassium sulfate plant : de en
  • US2189057A - Core drill : en
  • US2189742A - Perforating machine : en
  • US2188896A - Page printer : en
  • US2189611A - Tray : en
  • US2189684A - Smoke cooling device : en
  • USD118864S - Design for a window ventilator : en
  • DE687887C - Can used as a stuffing mushroom : de en
  • AU180839A - Foundation garment : en
  • AU61039A - Golf shaft : en
  • US2188940A - Electron discharge device : en
  • US2189234A - Cinder trap : en
  • AT157879B - Two-stroke internal combustion engine. : de en
  • US2189562A - Toilet seat cover and method of forming same : en
  • CA386672A - Hydraulic drill column : en fr
  • AT157858B - Heating conductors for electric ovens. : de en
  • DE687762C - Glass cabinet with completely unobstructed view : de en
  • DE687889C - Device for pressing moldings, in particular from sponge iron : de en
  • US2189630A - High speed presetting relay : en
  • CA386692A - Electric discharge device : en fr
  • CA386696A - Ceramic and metallic material uniting method : en fr
  • DE687739C - Horizontal gas suction pipes passed through the chamber ovens : de en
  • AU350739A - A demountable tom for use inthe formation of elevated concrete floors andother like horizontal structures : en
  • AT157946B - Process for separating zinc from lyes of roasted burns in a chlorinating manner. : de en
  • AU475938A - Multiplex high frequency transmission systems : en
  • US2189240A - Oven rack : en
  • US2188928A - Drill for drilling holes in wood : en
  • US2189515A - Resistor : en
  • AU165639A - Improvements in thermionic cathodes : en
  • US2189416A - Ear protector : en
  • US2189443A - Steam boiler : en
  • AU79639A - Method for impregnating paper, cloth or similar materials with chemicals : en
  • AT157878B - Method and device for evaluating the energy of the exhaust from internal combustion engines. : de en
  • AT157937B - Scoring comb. : de en
  • AU297439A - Improvements in tractor drawn rotary cultivators : en
  • AU48639A - An improved appliance for crimping fencing wires or the like : en
  • AT157914B - Dry gas meter. : de en
  • DE687952C - Device for distributing a reaction, regeneration or cleaning flow in a chamber filled with a contact compound : de en
  • GB517824A - Improvements in dressing grinding wheels : en
  • DE688051C - Electric circuit for controller : de en
  • AT157949B - Steel alloy for the manufacture of cam sleepers. : de en
  • AT157916B - Pipe push bench with rack and pinion drive. : de en
  • US2189632A - Bushing : en
  • US2189346A - Automatic lock opener : en
  • US2189375A - Indicating instrument : en
  • US2189389A - Refrigerator top : en
  • GB517669A - Improvements in or relating to vehicle bodies : en
  • DE687740C - Connection to the car underframe for an automatic transfer coupling designed as a train head for railway vehicles : de en
  • GB517647A - Improvements in or relating to machines for use in the preparation of the plates fordry or semi-dry cell electric batteries : en
  • DE687972C - Automatic switching device for reversing the longitudinal movement of the ribbon on typewriters or the like. : de en
  • DE687899C - Iron coil with variable self-induction : de en
  • DE687731C - Device for breaking open bast fibers : de en
  • DE687764C - Printing unit for tabulating machines or the like. : de en
  • GB517748A - Improvements in and relating to presses for cutting sheet metal : en
  • CA386684A - Streamline locomotive : en fr
  • GB517801A - Speed indicator : en
  • US2189228A - Apparatus for holding garments while being stretched : en
  • AU109684B2 - Improvements in and relating tothe ventilation of buildings : en
  • US2189407A - Spare wheel and tire cover assembly : en
  • CA386711A - Collapsible ladder : en fr
  • AT157866B - Process for the production of multi-layer elastic fabrics. : de en
  • AU109698B2 - Foundation garment : en
  • DE687814C - Device for voltage regulation of alternators using grid-controlled steam or gas discharge paths : de en
  • DK57231C - Electric Lamp with a Gaseous Discharge Tube. : da en
  • DE679030C - Self-loading pistol : de en
  • GB517781A - Improvements in or relating to flame-proof enclosures for electric motors and like devices : en
  • GB517829A - Improvements relating to air raid and like warning devices : en
  • DE687759C - by means of an overcurrent relay : de en
  • US2189731A - Sprayed evaporator : en
  • GB517845A - Improvements relating to radio receiving devices : en
  • CA386694A - Vacuum-tight seal : en fr
  • DE687870C - Glass parts forming discharge vessels : de en
  • CA386726A - Radio condenser mounting : en fr
  • USD118838S - Design for a puzzle : en
  • GB517746A - Improvements in hydraulic shock absorbers : en
  • AT157872B - Band made of rubber, balata or the like with fabric inserts. : de en
  • USD118835S - Design for a clock case : en
  • USD118895S - Design fob a blouse : en
  • US2189255A - Feeder or injector : en
  • AU109678B2 - Improvements in or relating to adjustable ganged condensersystems : en
  • DE687845C - Device for fitting ladders on and off, in particular fire brigade ladders : de en
  • CA386674A - Abrasive sleeve : en fr
  • USD118885S - Design for a textile fabric : en
  • USD118917S - Design for a dress : en
  • DE687741C - High frequency receiver : de en
  • US2189634A - Speed governor : en
  • US2189411A - Antioxidant : en
  • US2189355A - Journal box lid structure : en
  • US2189412A - Candlewick : en
  • USD118830S - Design for a hot oil finger bath : en
  • CA386719A - Wax removal from paper stock : en fr
  • US2189394A - Apparatus for truing wheels : en
  • USD118850S - Design for a vehicle wheel : en
  • GB517764A - Improvements in or relating to oil-soluble resin and method of making same : en
  • DE687801C - Folding camera with tie rods : de en
  • CA386665A - Electric plug : en fr
  • DK57244C - Method and Machine for the production of a homogeneous, fine-grained material. : da en
  • DE687981C - Process for the production of therapeutically usable swelling substances : de en
  • DE687994C - Painting lock : de en
  • GB517823A - Improvements relating to perambulators and the like : en
  • DE687802C - HEPA filter : de en
  • DE687866C - Device for easily detachable attachment of exchangeable electrical devices to a base : de en
  • GB517698A - Improvements in air compressors or exhausters : en
  • US2189107A - Indicating apparatus : en
  • US2189459A - Reversed bimetallic thermal element : en
  • DE687933C - Short-circuit braking circuit for two or more DC motors with a compensation resistor between the reversing pole windings and the cross-connected series windings : de en
  • US2189052A - Pickup and dumping vehicle : en
  • DE687924C - Film on cinema equipment : de en
  • DK57229C - Procedure for Multiplex Carrier Transmission. : da en
  • GB517629A - Manufacture of soluble nitro dyestuffs and their application : en
  • GB517713A - Improvements in or relating to the cylinders and pistons of internal combustion engines : en
  • US2188942A - Container closure : en
  • GB517697A - Improvements in automatic fire-arms : en
  • DE687726C - Spindle for spinning and twisting machines : de en
  • DE687929C - Toy drum revolver : de en
  • DK57245C - Luggage carrier for mounting on handlebars of bicycles, motorcycles and similar vehicles. : da en
  • US2189022A - Gas generator : en
  • GB517617A - Improvements in gas turbine plants and means for their regulation : en
  • DE687977C - Device for monitoring the short-circuit resistance when a vehicle drives past : de en
  • US2189415A - Material treating apparatus : en
  • US2189438A - Fodder and method of making same : en
  • US2189596A - Synchronism indicating and control system : en
  • US2188983A - Hard metal alloys and process of making the same : en
  • CA386736A - Radio tuning indicator : en fr
  • DE687766C - Device for displaying the movement of intermittently flowing liquids : de en
  • DE687928C - Freewheel brake hub with a roller locking mechanism as a drive coupling : de en
  • AT157855B - Chain line suspension for contact wires. : de en
  • US2189051A - Lever lock mechanism : en
  • CA386762A - Yarn conditioning apparatus : en fr
  • CA386679A - Impact crusher : en fr
  • DE687880C - Device for supporting chainsaws : de en
  • DE687919C - iebes according to the flow principle : de en
  • DE687900C - Switch with arc extinguishing by compressed gas : de en
  • US2189181A - Signal device : en
  • GR8762B - METHOD GIVING IN FIBERS IN THE FORM OF ANIMAL FIBERS. : el en
  • CA386723A - Tractor coupling : en fr
  • GB517714A - Improvements in welding machines : en
  • US2188995A - Upholstery forming apparatus : en
  • US2189274A - Stop : en
  • US2189011A - Hook adapter for bolts : en
  • USD118913S - Design for a dress : en
  • US2188931A - Concentration process : en
  • US2189514A - Method of manufacturing playing ball centers : en
  • AT157892B - Stuffing box with sealing rings. : de en
  • CA386773A - Electric cable : en fr
  • US2189592A - Process of making relief maps : en
  • AT157936B - Method and device for handling, in particular storage, transport and removal of liquid gases. : de en
  • USRE21345E - Electric regulator for furnaces and other apparatus : en
  • AT157918B - Reinforcement insert consisting of a cold, flat-rolled and optionally twisted iron bar and method for manufacturing the same. : de en
  • CA386732A - Plumbing fixture support : en fr
  • US2189330A - Automatic flow control means : en
  • US2189427A - Valve mechanism : en
  • US2189485A - Valve stem : en
  • US2189280A - Soaking pit cover : en
  • CA386755A - Railway car truck : en fr
  • US2189345A - Flush-tank control : en
  • US2189530A - Finishing composition : en
  • US2189108A - Reinforced-concrete structure : en
  • IE15755L - Rotary internal i.c. engine : en
  • CA386709A - Glass tempering method : en fr
  • DE687758C - Current pulse generator for the synchronization control of stepping units : de en
  • AU109679B2 - A demountable tom for use inthe formation of elevated concrete floors andother like horizontal structures : en
  • US2189348A - Heating and ventilating system : en
  • US2189517A - Radio goniometer : en
  • US2189075A - Fuel distributing apparatus : en
  • AU109658B2 - Improvements in or relating to laminated magnetic structures : en
  • US2189138A - Rubber mounting : en
  • US2189244A - Gripping device : en
  • USD118852S - Design for an air compressing unit : en
  • AU109674B2 - Improvements in luminescent materials andin combinations therewith of sources of radiation adapted to excite the materials to luminescence : en
  • AU32139A - An improved drainpipe aligning and adjusting device : en
  • DE687816C - Round bar machine : de en
  • AT157906B - Mercury cathode converter tube with shielded auxiliary discharge and an ignition control anode for regulating the directed current. : de en
  • US2188899A - Recovery of diolefins from hydrocarbon mixtures : en
  • US2189020A - Overhead door construction : en
  • US2189176A - Machine for washing milk cans : en
  • US2189730A - Production of vermin killers : en
  • US2189582A - Amplifier system : en
  • US2189590A - Highly flexible sheeting and process of preparing the same : en
  • US2189621A - Bushing : en
  • US2189698A - Method of mechanically separating mineral mixtures : en
  • US2189289A - Measuring apparatus : en
  • US2189281A - Liquid cooler : en
  • US2189625A - Memorandum device : en
  • AU109708B2 - Multiplex high frequency transmission systems : en
  • US2188996A - Indexing mechanism : en
  • US2189160A - Track roller arrangement : en
  • US2189257A - Device for use in twisting threads : en
  • US2189261A - Cathode-ray tube and the like : en
  • US2189578A - Method and apparatus for reclaiming sheet metal : en
  • DE687745C - Automatic safety device for gas appliances : de en
  • DE687884C - Turret head for a turret lathe for machining rod-shaped material : de en
  • DE687915C - Device for lifting the fibers from needled fiber processing devices : de en
  • US2189534A - Friction clutch : en
  • CA386730A - Copper sulphide conversion : en fr
  • CA386764A - Electric welding process : en fr
  • US2189408A - Mechanically operated tooth brush : en
  • US2189469A - Electrical generator : en
  • US2189533A - Dispensing box or container for roll paper : en
  • US2189670A - Coal cutting machine : en
  • US2189112A - Rail flaw detector mechanism : en
  • US2189483A - Basting scoop : en
  • US2189495A - Fastener : en
  • DE679190C - Method for testing the adhesion of paint or varnish coatings on workpieces to be cold formed, e.g. B. sheets : de en
  • DE687856C - d duplicating machines : de en
  • GB517623A - Improvements in or relating to electric circuit-breakers of the gas-blast type : en
  • GB517657A - Improvements in and relating to the grinding of the relieved cutting teeth of screw-thread cutting mills : en
  • DE688007C - Locking device for rudders on aircraft : de en
  • GR8753B - MANUAL DRILL FOR USE IN MINING ROCKS. : el en
  • DE687782C - Yarn guide device for Koetz winding machines : de en
  • GB517792A - Improvements in and relating to photographic contact printing : en
  • DE688017C - Protective device against embers falling out of indoor stoves : de en
  • DE688021C - Gyro magnetic compass system : de en
  • DE687727C - Scratch cooler : de en
  • US2189007A - Stencil printing machine : en
  • US2189519A - Means and apparatus for the extraction of burs from wool and other textile fibers : en
  • GB517774A - Apparatus for separating dust or other solids from air or other gases : en
  • CA386734A - Closet bowl hinge and flow valve : en fr
  • GB517758A - A process for the manufacture of isobutane from normal butane : en
  • GB517644A - Improvements relating to infusing devices for beverages such as coffee : en
  • GR8761B - METHOD FOR MANUFACTURING YARNS FROM POLYVINYL RESINS. : el en
  • US2189434A - Lawn mower : en
  • DE687733C - Device for turning the records with automatic playback devices for records : de en
  • DE687750C - Correction device for offset printing plates : de en
  • GB625404A - Improvements in or relating to radio transmitters : en
  • US2188939A - Vacuum can closing machine : en
  • US2188984A - Core structure for clay extruding dies : en
  • US2189744A - Wheel cover disk : en
  • GB517668A - Improvements in or connected with the manufacture of hydrocarbon gases : en
  • DE688044C - Packing cylinder : de en
  • US2188952A - Individual springing : en
  • GB517616A - Improvements in and relating to packing cases : en
  • DK57240C - Nuclear dough. : da en
  • GB517799A - Improvements in the catalytic polymerisation of olefines : en
  • DE687832C - Machine for cutting out the lining layers at the tip of a shoe : de en
  • DE687882C - Mixture throttle for downdraft spray carburetor : de en
  • DE687618C - Tool for cutting bevel gears with curved teeth using the continuous rolling process : de en
  • DE688050C - Oil brake for calculating machines and adding machines : de en
  • GB517847A - Float-construction for aircraft : en
  • US2189070A - Pipe joint : en
  • US2189718A - Locomotive stoker : en
  • US2188958A - Sanitary hygienic device for telephone instruments : en
  • US2189062A - Process for the separation of propane and propylene from gas mixtures : en
  • US2189197A - Sealing device : en
  • US2189492A - Compensator for feeding elastic thread : en
  • US2189697A - Cement retainer : en
  • USD118886S - Design for a textile fabric : en
  • USD118919S - Design for a dress : en
  • US2189504A - Coin controlled scoreboard : en
  • US2188978A - Fastening inserting machine : en
  • US2189510A - Hydroculture plant box : en
  • US2189217A - Doughnut making apparatus : en
  • AT157897B - High frequency coil. : de en
  • US2189295A - Variable speed drive system : en
  • US2189437A - Pavement construction : en
  • DE687935C - Stencil printing device controlled by hole markings : de en
  • GB517825A - Improvements in appliances for shuttering in concrete wall construction : en
  • GB517639A - Improvements in or relating to gas mixing valves : en
  • GB517836A - Improvements in or relating to adjustment mechanism more particularly for electricalapparatus such as time switches, variable condensers and the like : en
  • GB517808A - Improvements in and relating to garment or like presses : en
  • AT157893B - Intercooler for reciprocating compressors. : de en
  • US2189446A - Freezing pan assembly : en
  • DE687938C - Process for the production of a wire mesh from thin wires, which is stiffened by thicker transverse wires : de en
  • DK57239C - Control valve for Ajlenedfældere. : da en
  • US2188955A - Apparatus for cooijng bakery : en
  • US2189204A - Vehicle running gear : en
  • US2189748A - Automatic door lock : en
  • GB517811A - Improvements in or relating to staircases and in steps therefor : en
  • USD118810S - Design for a finger-grip comb : en
  • DE687963C - Edge boarding machine for heavy plate floors with turning device for the board edge : de en
  • DE687729C - Overlay receiver with optional switchable, temperature-dependent tuning capacitors : de en
  • US2189417A - Antioxidant : en
  • US2189068A - Drill chuck : en
  • GB517723A - Improvements relating to window raising and lowering mechanisms : en
  • GB517686A - Improvements in and relating to the production of coated fish glue layers for photo-mechanical printing processes : en
  • GB517794A - Improvements in or relating to the preparation of catalysts : en
  • DE687902C - Carrier metal for preferably indirectly heated glow cathodes for electrical discharge vessels : de en
  • DE687913C - Production of lightfast colored lacquers : de en
  • DE687893C - Container for socket wrench : de en
  • US2189110A - Voltage recording device : en
  • GB517677A - A new or improved combined check valve and vacuum relief valve : en
  • GR8759B - LONG DURATION ELECTRIC LAMP. : el en
  • US2188927A - Electrically heating molten glass : en
  • US2189598A - Shaft coupling : en
  • DE688003C - Circuit for supplying a relay (trigger) controlled by a protective relay (mesh network relay) from the protected network : de en
  • US2189672A - Latch : en
  • US2189490A - Water heater : en
  • DE687757C - Automatic winding and unwinding cable drum with electrical drive for portable electrical machines : de en
  • DE688033C - Film reel, especially for narrow films : de en
  • USD118825S - Design fob a tumbler : en
  • DE687844C - Flip hat : de en
  • GB517680A - Improvements in or relating to magnetic lenses for electron beam apparatus : en
  • AT157899B - Transformation of tilting vibrations. : de en
  • US2189013A - Fluid pressure system : en
  • US2189288A - Centrifugally controlled variable speed transmission : en
  • CA386691A - Chicken feed producing machine : en fr
  • CA386771A - Frost eliminating apparatus for gas lines : en fr
  • US2188960A - Drain cleaner : en
  • US2189569A - Electric valve circuit : en
  • AT157881B - Starting device for internal combustion engines. : de en
  • US2189428A - Pitcher's rubber : en
  • US2189717A - Vulcanization of rubber : en
  • US2189332A - Maternity garment : en
  • CA386727A - Wheel spider : en fr
  • US2188959A - Pipe cleaning element : en
  • US2188971A - Removable skate and blade : en
  • US2189169A - Vehicle radiator grille guard : en
  • US2189365A - Boiler : en
  • US2189705A - Airplane engine control : en
  • US2189186A - Dumping vehicle and door operating means therefor : en
  • DE687834C - Process and devices for producing an insulating fiber tape made of mineral fibers : de en
  • DE687725C - Electrical transmission system with signal triggering : de en
  • GB517826A - Improvements in or relating to navigation aiding radio systems : en
  • CA386746A - Vehicle spring control arm : en fr
  • AU268639A - Attachment to internal combustion engine for supplying compressed air : en
  • US2189096A - Watch bracelet : en
  • US2189695A - Steering-drive wheel assembly : en
  • US2188963A - Container : en
  • US2189558A - Control for volume and tuning of a radio set : en
  • US2188985A - Device for producing separable fasteners : en
  • DE687746C - Tooth cleaning device with water rinse : de en
  • DE687988C - Coin checker for sorting out coins with fluted circumference : de en
  • DE687894C - : de en
  • DE687774C - machines, especially aircraft engines : de en
  • AT157935B - Process for reducing ore. : de en
  • US2189600A - Crankcase : en
  • US2189340A - Mosaic electrode manufacture : en
  • USD118867S - Design for a warning signal : en
  • DE687873C - Device for cutting boiled eggs into slices : de en
  • US2189170A - Trailer construction : en
  • US2189165A - Stand and heater : en
  • US2189319A - Electro-optical device : en
  • USD118851S - Design for an air conditioning : en
  • GB517725A - Improvements in lawn mowers : en
  • GB517637A - Improvements in coin-testers for automatic vending machines : en
  • DE687918C - Gear for converting a reciprocating motion into a rotary motion : de en
  • US2189605A - Electrode feeding mechanism for arc searchlights : en
  • USD118833S - Design for a razor : en
  • US2189157A - Dispensing apparatus : en
  • DE687943C - : de en
  • US2189000A - Ventilating device for automobile bodies : en
  • US2189383A - Facilitating friedel-crafts reactions : en
  • GB517727A - Improvements in lawn mowers : en
  • US2189066A - Typewriting machine : en
  • US2189102A - Printing telegraph apparatus : en
  • US2189711A - Method for preparing coal : en
  • US2189117A - Self-aligning bearing : en
  • USD118897S - Design fob a dress ensemble : en
  • USD118842S - Design fob a rotary pump body or : en
  • US2189614A - Ozone control for precipitators : en
  • US2189714A - Electrical binding post : en
  • AU109701B2 - Improvements in or relating to electric discharge tubes : en
  • US2189674A - Fuel distributing unit : en
  • CA386765A - Jig-saw tensioning device : en fr
  • US2189479A - Flush tank valve : en
  • US2189370A - Woven fabrics : en
  • CA386667A - Hat box : en fr
  • US2189116A - Massage device : en
  • US2189131A - Ferrous alloys : en
  • US2189570A - Insecticide : en
  • DE687836C - packaged goods : de en
  • AU33539A - Improvements in means for supporting and actuating swinging gates : en
  • US2189460A - Apparatus for hardening gears, gear teeth, and other articles : en
  • DE687953C - Circuit arrangement for controlling alarm signal systems : de en
  • AU330839A - Improvements in or relating to adjustable ganged condensersystems : en
  • AU109690B2 - Improvements in or relating to sliding clasp fasteners : en
  • DE687753C - Foot operated, automatically depending on the bus : de en
  • US2188901A - Method of making waterproof cloth : en
  • US2189039A - Reamer : en
  • US2188914A - Carbonyl compounds of steroids and process for the manufacture thereof : en
  • US2189311A - Electrical impulse responsive means : en
  • CA386706A - Fatty acid distillation : en fr
  • CA386687A - Engine throttle controlling mechanism : en fr
  • CA386759A - Railway traffic controlling apparatus : en fr
  • AU109683B2 - Improvements in soapholders and other accessories for water taps or faucets : en
  • AU214739A - Improvements in electric discharge lamps : en
  • DE687861C - Pantographs for vehicles : de en
  • US2189473A - Steam and water leakage revealing structure for steam boilers : en
  • AT157922B - Shear device for clear cuts. : de en
  • AT157924B - Mortise door lock. : de en
  • DE688012C - Circuit arrangement for achieving a control voltage of certain characteristics for the purpose of automatic dynamic control in forward-regulated amplifiers : de en
  • AT157873B - Roller cover made of hard rubber mixed with coarse-grained material, especially for rollers for the production of paper. : de en
  • AU32439A - Feed mechanism : en
  • CA386670A - Escalator control : en fr
  • US2189109A - Motor vehicle transmission : en
  • US2189125A - Railway car truck : en
  • US2189271A - Forehearth for and method of controlling the temperature and condition of molten glass : en
  • US2189297A - Diaphragm for preventing dominants on colored pictures : en
  • DE687842C - Electric bicycle alternator : de en
  • DE687999C - Process for the production of halogenated higher molecular weight sulfuric acid derivatives from aliphatic esters or amides : de en
  • GB517784A - Improvements in or relating to the mounting of ball and roller bearings : en
  • GB517834A - Improvements in or relating to apparatus for playing a game : en
  • DE687912C - Device to facilitate the tuning of a radio receiver : de en
  • DK57247C - Procedure for the manufacture of waste-free hydraulic binders, in particular Portland cement. : da en
  • GB517691A - Improvements relating to fluid pressure braking apparatus for railway vehicles : en
  • US2189276A - Method and apparatus for producing striped knitted fabric : en
  • US2189663A - Refrigerating apparatus : en
  • US2189259A - Grinding wheel : en
  • AT157925B - Sheet leveler. : de en
  • USD118861S - Design for a wall bracket lamp : en
  • US2188906A - Apparauts for making grids : en
  • US2188947A - Grinding or abrading machine : en
  • US2189207A - Conduit : en
  • AU109697B2 - Improved apparatus for calculating and indicating prospective totalisator dividends or odds : en
  • DE687883C - Attachment of closing bodies for shut-off valves : de en
  • US2189532A - Heat transfer apparatus : en
  • US2189137A - Connector strip : en
  • US2189387A - Method of making hard compositions : en
  • CA386688A - Agitating apparatus : en fr
  • CA386757A - Typewriter : en fr
  • US2189072A - Tractor and implement unit : en
  • AU109673B2 - Sawdust burning brooder : en
  • DE687777C - Mannable lifebuoy for submarines : de en
  • US2188932A - Flotation process for sylvinite ores : en
  • US2189212A - Crane : en
  • GB517722A - Improvements in or relating to isolating valves : en
  • US2189681A - Gear shift mechanism : en
  • DE687790C - Circuit arrangement for company lines with optional call of the intercoms through different currents : de en
  • US2189574A - Buckle : en
  • AU109685B2 - An improved drainpipe aligning and adjusting device : en
  • US2189270A - Photometer construction : en
  • US2189083A - Disposal process for the treatment of weak ammoniacal waste liquors from coal distilation plants : en
  • US2189347A - Machine for forming packages : en
  • US2189545A - Keyboard perforator and counter : en
  • US2189335A - Trailer brake control : en
  • GB517756A - Improvements in or relating to cathode ray devices : en
  • US2189247A - Foldable lap table : en
  • US2189587A - Bottle carrier : en
  • AT157915B - Device for displaying the unit price in measuring devices. : de en
  • US2188924A - Method and apparatus for drying hair : en
  • US2188989A - Snow remover : en
  • US2189421A - Fowl-dressing appliance : en
  • US2189010A - Transporting apparatus : en
  • CA386725A - Rail supporting and securing means : en fr
  • US2189021A - Air conditioning apparatus : en
  • US2189192A - Brake applying means for vehicles : en
  • US2189725A - Age resister : en
  • US2189301A - Blasting initiator : en
  • AU47839A - Improvements in and relating to resin compositions : en
  • DE687854C - Air cooling for the mold and casting wheel of a die setting and line casting machine : de en
  • US2189628A - Bottle capping machine : en
  • CA386747A - Public lighting apparatus : en fr
  • CA386777A - Railway car truck : en fr
  • US2189613A - Golf practicing apparatus : en
  • US2189585A - Mosaic spider : en
  • DE687797C - Vacuum cleaner nozzle with a suction tube that can be rotated at the nozzle base : de en
  • GB517798A - Improvements in and relating to processes and apparatus for the manufacture of agglomerates : en
  • US2189045A - Label sewing machine : en
  • US2189665A - Jack : en
  • USD118809S - Design for a toy bank : en
  • GB517726A - Improvements in lawn mowers : en
  • DE687752C - Mobile distribution device for pourable, in particular bituminous road building materials : de en
  • GB517681A - Improvements in or relating to electrical generators : en
  • DE687798C - Greenhouse with opening roof halves : de en
  • USD118904S - Design for a display stand : en
  • AU109707B2 - Improvements in or relating to electron discharge tube amplifiers : en
  • CA386690A - Engine silencer : en fr
  • US2189561A - Crayon holder : en
  • US2189141A - Tongue protector device : en
  • DE687779C - Removable heel patch : de en
  • CA386729A - Acid liquor clarification : en fr
  • US2189486A - Building structure with self-contained raising and lowering mechanism : en
  • USD118819S - Design for a dish : en
  • USRE21342E - Rubber diaphragm and method of : en
  • AT157921B - Device for keeping the temperature of a body housed in a heated container made of a material that conducts heat well. : de en
  • USD118824S - Design for a draftsman s stencil : en
  • DE687898C - Process for the splitting hydrogenation of extracts from solid fuels : de en
  • US2189609A - Fluid-pressure operated tensiometer : en
  • US2189597A - Electric inductor relay : en
  • AU109688B2 - Improvements in and relating to structural units for steel frame buildings orthe like : en
  • US2189502A - Ventilator, air diffuser, and the like : en
  • US2189535A - Instrument lighting : en
  • US2189029A - Reamer : en
  • DE688047C - Process for the production of stable aqueous, therapeutically usable solutions of the polyoxyalkylisoalloxazines : de en
  • US2189447A - Hoisting apparatus : en
  • US2189058A - Treatment of hydrocarbon oils : en
  • AU109686B2 - Method for the destruction of superfluous hairs : en
  • US2188979A - Furnace : en
  • US2189679A - Gear shifting mechanism : en
  • US2189087A - Continuous motion wrapping machine : en
  • DE687815C - Burner device : de en
  • DE687849C - Cutting machine for paper, cardboard, etc. like : de en
  • US2189232A - Velocipede construction : en
  • US2189581A - Indicating device : en
  • USD118848S - Design for a can opener : en
  • USD118828S - Fender for velocipedes : en
  • US2189568A - Optical apparatus : en
  • US2189444A - Loom and the method of weaving thereon : en
  • US2189520A - Window seat : en
  • US2189219A - Carburetor : en
  • AT157905B - Switching for automatic or semi-automatic telephone systems. : de en
  • US2189248A - Process for the production of phosphatic fertilizers : en
  • US2189368A - Roller weight arrangement for : en
  • US2189205A - Carbonates of hydroxybenzoic acid esters : en
  • US2189640A - Manufacture and production of hard solders : en
  • AT157877B - Two-stroke internal combustion engine. : de en
  • USD118908S - Design for a dress : en
  • US2189167A - Baking oven : en
  • US2189202A - Automatic firearm : en
  • US2189005A - Means for anchoring spokes to steering wheel hubs : en
  • US2189707A - Cultivator mechanism : en
  • AU47240A - Improvements in and relating to hollow bricks : en
  • AU42839A - Improvements in or relating tothe production of milk powders chocolates and similar products : en
  • US2189734A - Resin bonded abrasive article : en
  • CA386708A - Razor and blade magazine : en fr
  • AU109693B2 - Method for impregnating paper, cloth or similar materials with chemicals : en
  • US2189536A - Instrument lighting : en
  • US2189543A - Smoking pipe reamer : en
  • US2189166A - Fabric feeding control system : en
  • US2189396A - Adjustable seat : en
  • US2189724A - Manifolding register : en
  • US2189702A - Well cementing mechanism : en
  • DE687728C - Fluorescence images produced by a Braun tube : de en
  • DE688005C - Mill firing, in which the mill shaft runs perpendicular to the combustion chamber wall : de en
  • AT157926B - Hot water heater with beverage brewing device. : de en
  • DE688052C - Issuing device for cards : de en
  • AT157859B - Heating element for high temperature ovens. : de en
  • AT157888B - High pressure steam system. : de en
  • AT157901B - Electric discharge tube. : de en
  • AU109736B2 - An attachment for milling machines to facilitate precision reproduction or duplication of articles or templates : en
  • DE687785C - : de en
  • DE687808C - Device for adding a solution from oil-containing seeds, in particular linseed : de en
  • DE687925C - Device for developing motion pictures : de en
  • DE687851C - Process for the production of salts of alginic acid from algae : de en
  • US2189466A - Frostproof jacket : en
  • USD118884S - Design for a textile fabric : en
  • DE687768C - Sliding tube expansion compensator : de en
  • AT157920B - Ceramic shield clock. : de en
  • CA386671A - Transparent container : en fr
  • US2189303A - Improving the growth of mushroom mycelium : en
  • US2189357A - Scavenging of the cylinders of twostroke-cycle internal combustion engines : en
  • AT157856B - Synchronizing device for electron beam oscillographs. : de en
  • DE687796C - Process for the production of tooth fillings : de en
  • US2189023A - Punching and printing device : en
  • AT157917B - Test liquid for examining workpieces using ferromagnetic powder. : de en
  • DE687897C - Absorbents for refrigeration machines : de en
  • DE688048C - Two-legged hair clip : de en
  • US2189049A - V belt : en
  • US2189071A - Apparatus for the manufacture of concrete pipe : en
  • AT157895B - Hydraulic relief for segment block thrust bearings. : de en
  • AU30239A - Improvements in or relating to suction cleaners : en
  • US2188935A - Typewriter : en
  • USD118817S - Design fob a checking counter : en
  • US2189290A - Centrifugal casting apparatus : en
  • CA386741A - Paper making machine : en fr
  • AT157886B - Driving device for motor vehicles. : de en
  • DE687966C - Device for gas separation in fluid conveying systems : de en
  • AT157867B - Plate-shaped component. : de en
  • US2189737A - Resins of the urea-aldehyde condensation type and their solutions : en
  • USD118858S - Design for a shoe ob similar : en
  • AT157948B - Process for removing tin, manganese and iron from starting materials containing tantalum and (or) niobium. : de en
  • US2189242A - Device for grinding eccentricity in pistons : en
  • US2189420A - Addition compounds of cyclohexylamines and monocyclic phenols : en
  • DE687833C - Network simulation with plug-in symbols or symbols that can be moved along a line : de en
  • DE687799C - Process for welding rods and wires or the like made from wrought aluminum alloys that can be hardened : de en
  • US2188923A - Tampon : en
  • US2189198A - Copper-titanium alloy : en
  • US2189269A - Intercommunicating system and apparatus therefor : en
  • DK57232C - Procedure for the manufacture of durable dry preparations of extracts. : da en
  • US2189218A - Tiling : en
  • US2189704A - Filter : en
  • US2189119A - Signal measuring system : en
  • DE687735C - Rotatable mixing and atomizing device for the mixture of internal combustion engines : de en
  • GB517818A - Device for viewing the interiors of heated enclosures : en
  • GB517806A - Electron multiplier device : en
  • CA386767A - Frequency selective circuit : en fr
  • CA386713A - Suction cleaner : en fr
  • CA386743A - Oil well cementing composition : en fr
  • DE687948C - Protection device against chips flying off in machine tools, in particular turning jaws : de en
  • GB517619A - Improvements in or relating to parallel slide valves : en
  • GB517659A - Improvements relating to guard or fence mechanisms for hydraulic presses : en
  • AU109714B2 - A radio receiver comprising piezoelectric crystals used with polarised light : en
  • DE687985C - Climbing device for sliding formwork : de en
  • GB517831A - An apparatus for projecting stationary and moving stereoscopic images and for viewing the same stereoscopically at a distance with the naked eye : en
  • GB517651A - Improvements in or relating to flight holders for darts and darts equipped therewith : en
  • GR8748B - GASOLINE LIGHTER FOR EVERYTHING USED. : el en
  • GB517702A - Improvements in automatic switches used in telephone or like systems : en
  • GB517729A - Improvements relating to the chemical treatment of leaf tissues of the agave family and sanseviera : en
  • GB517830A - Method of preparing quinuclidine and derivatives thereof : en
  • DE687926C - Apparatus for generating physical foam for fire extinguishing purposes : de en
  • US2188964A - Image-frequency suppression system : en
  • US2189555A - Plasterer's float and trowel : en
  • GB517814A - Improvements relating to fuel reservoirs or the like : en
  • GB517828A - Improvements in vehicle fittings for loading and unloading : en
  • DE687767C - Pipe installation piece of variable overall length : de en
  • DE687916C - especially in human body parts : de en
  • US2189362A - Signal : en
  • DE688035C - Device for the automatic maintenance of the equilibrium position of an aircraft around its transverse axis in the event of a strong reduction in lift and loss of speed : de en
  • DE687827C - Brake shoe for vehicle brakes and. like : de en
  • DE687911C - Overlay receiver with device to stabilize the operating voltage for the pipes : de en
  • DE687890C - Device for unlocking and releasing locks, especially for seat belt buckles in aviator belts : de en
  • DE687775C - Device for opening a parachute bag : de en
  • DE687864C - Process for the production of line-shaped mosaic electrodes : de en
  • DE688041C - Machine for twisting profile wire : de en
  • US2189130A - Reduction products derived from dehydroandrosterone and method of producing the same : en
  • DE688031C - Device for turning rotating workpieces with an oval cross-section : de en
  • GB517658A - Method of and device for igniting oxygen generating cartridges : en
  • US2189182A - Tire cover : en
  • US2189175A - Dental massaging, cleaning, and medicating device : en
  • US2189372A - Combination dresser mounting : en
  • US2189743A - Wheel cover disk : en
  • DE687860C - Locking device, especially for switches or their actuating devices : de en
  • DE687765C - Circuit lubrication device for shaft bearings : de en
  • US2189419A - Material classifier : en
  • GB517700A - Generator-absorber for periodical working dry absorption refrigerating apparatus andmethod for its manufacture : en
  • GB517711A - Improved system of central heating : en
  • USD118898S - Design for a dress : en
  • US2189018A - Filling apparatus : en
  • US2189468A - Sulphurized polymer of dihydronaphthalene : en
  • US2189328A - Extension studio couch : en
  • US2189405A - Vehicle door latch : en
  • US2189525A - Head rod holder for stationary awnings : en
  • US2189676A - Electric outlet connection : en
  • US2189667A - Vehicle towing connector : en
  • DE687995C - Skylight opener : de en
  • CA386683A - Spring : en fr
  • DE687877C - Press mold for the production of objects from rubber dust : de en
  • DE688042C - development when introducing lengths of fabric into fabric tensioning and drying machines : de en
  • US2189143A - Roller rail for industrial heating furnaces : en
  • GB517624A - Improvements in or relating to vehicle brake assemblies : en
  • US2189391A - Vehicle air conditioner : en
  • US2189279A - Sterilizer : en
  • DE687997C - Method for the protection of glass furnaces, glass tanks o. : de en
  • DE687946C - Rotary pendulum : de en
  • DE688006C - ric resistance : de en
  • AT157894B - Differential float arrangement. : de en
  • US2189026A - Tagging seal : en
  • US2189377A - Method and apparatus for electrical prospecting : en
  • DE687857C - Arrangement for heat exchange devices housed on vehicles, in particular for a precipitation or cooling device of a rail locomotive operated by a thermal engine : de en
  • DE687908C - corner or the like : de en
  • US2189256A - Adjustable chair or the like : en
  • USD118821S - Design fob an oil cook stove : en
  • AU109699B2 - Improvements in electric discharge lamps : en
  • GB517805A - Improvements in stands for menu cards and like articles : en
  • US2188944A - Tableted polychlorophenol salts : en
  • US2189079A - Cart : en
  • US2188913A - Hydraulic brake : en
  • US2189042A - Sheet severing mechanism : en
  • US2189128A - Process of refining a mineral oil : en
  • US2189313A - Signal rectifier circuits : en
  • USD118859S - Design fob a cruciform pendant : en
  • DE687989C - Coin switch for cashiers : de en
  • US2188929A - Drilling deep holes in wood : en
  • US2189184A - Air-brake testing apparatus : en
  • US2189626A - Clothesline hanger : en
  • GB517643A - Improvements in electric discharge tubes utilising secondary emission : en
  • GB517813A - Improvements in or relating to the manufacture of steel, or iron or steel alloys : en
  • GB517699A - Improvements in the method of and means for disintegrating fibrous materials : en
  • CA386761A - Motor fuel processing : en fr
  • CA386749A - Shelter air purifying plant : en fr
  • US2189323A - Automobile wheel wedge : en
  • US2189093A - Landing gear for aircraft : en
  • US2188950A - Snap fastener : en
  • US2189591A - Shunt trip overload protective system : en
  • GB517678A - Improvements in and relating to arc lamps : en
  • GB517854A - Improvements in mercury vapour electric discharge devices having metal envelopes : en
  • GB517772A - Improvements in or relating to aerials or aerial systems : en
  • GR8758B - ELECTRIC LAMP FOR INCREASED DURATION. : el en
  • AU41239A - Improvements in or relating to interconnecting arrangements for open wire lines : en
  • US2189602A - Foldable box : en
  • DE687807C - Toothbrush : de en
  • DK57230C - Coupling for optical Voltage display with an electric discharge tube. : da en
  • GB517704A - Improvements in or relating to electron microscopes : en
  • GB517852A - Improvements in apparatus for playing a game : en
  • CA386681A - Dual range : en fr
  • US2189661A - Method for manufacturing grease : en
  • GB517666A - Amplifier for television system : en
  • GB517719A - Improvements in thermally actuated electrical cut-outs : en
  • US2189683A - Tire tool : en
  • US2189688A - Multiband radio receiver : en
  • US2189035A - Reamer : en
  • US2189206A - Apparatus for electrically roasting coffee berries : en
  • US2189553A - Airplane : en
  • US2189727A - Separable interlocking fastener : en
  • AU109675B2 - Improved apparatus for enamelling and baking articles : en
  • CA386769A - Conveyer : en fr
  • US2189030A - Reamer : en
  • US2189556A - Pipe cleaner : en
  • US2189213A - Animal feeding method : en
  • USD118837S - Design for a velocipede front fork : en
  • US2189268A - Mechanism control : en
  • AT157875B - Ejection device on address printing machines. : de en
  • GB517675A - Improvements in or relating to cup and ball devices : en
  • GB517673A - Manufacture of 1-amino-2-chloro (or bromo) -4 (or 6) -nitrobenzene-6 (or 4) -sulphonic acid : en
  • GB517707A - Improvements in or relating to juice extracting machines : en
  • US2189123A - Thermometer : en
  • DE687904C - Process for the production of a corrosion-resistant, hardenable aluminum composite alloy : de en
  • DE687859C - shock absorbers to equalize the air pressure within a piston rod protecting and centering : de en
  • US2189493A - Dispensing cabinet for paper towels : en
  • US2189472A - Buffing device : en
  • DE687891C - Adjustment device for a headlight built into an opening in the casing of the motor vehicle : de en
  • GB517750A - Improvements in or relating to machines for moulding plastic substances : en
  • DE687825C - Motor vehicle with a raft-like or pontoon-like chassis : de en
  • DE687794C - : de en
  • DE687903C - and other materials : de en
  • AT157931B - Metal foot for metal cabinets or the like. : de en
  • DE687979C - Rotary valve connected to the crankshaft of a reciprocating compressor : de en
  • DK57243C - Method of making opaque, almost white, colored layers on aluminum or aluminum alloy articles. : da en
  • GR8755B - PHASE TRACTORS FOR SHOCKERS. : el en
  • US2189080A - Conveyer canvas : en
  • CA386721A - Typewriter : en fr
  • DE688034C - Moving image projector trained as a suitcase device : de en
  • GB517776A - Improvements in and relating to haulage clips : en
  • IE16012L - Cardboard boxes : en
  • GB517769A - Dyes and photographic silver halide emulsions containing the same : en
  • US2188926A - Locomotive journal oiler : en
  • USD118900S - Design for a dress : en
  • AU443138A - Mechanical stop and turn illuminated signalling hand : en
  • US2188917A - Tool post : en
  • US2189059A - Feeding of web material to cigarette tipping apparatus and other machines : en
  • DE688001C - Electromagnetic rail brake with a yoke dismantled into individual parts and subdivided grinding shoes : de en
  • US2188975A - Multiple heat exchange unit : en
  • DE687940C - Synchronous machine, in particular synchronous motor or synchronized asynchronous motor, with a main and auxiliary exciter : de en
  • US2189531A - Accordion : en
  • US2189576A - Dry plate rectifier and method of producing same : en
  • AU34339A - Improvements in and relating toa method of distilling coal andother carbonaceous material : en
  • CA386722A - Elastic ply fabric : en fr
  • AU109676B2 - Vehicle for transporting logs, commonly called logging arches : en
  • US2189656A - Feed mechanism for sewing machines and the like : en
  • US2189224A - Brake : en
  • US2189172A - Clamp : en
  • US2189454A - Condiment receptacle : en
  • USD118876S - Design for a saw handle : en
  • DE687828C - Fuel tank for motorcycles : de en
  • DE687837C - Device for de-dripping wet conveyed material : de en
  • AT157870B - Device for spraying the printed sheet coming from a printing machine in order to prevent the fresh print from being pulled off. : de en
  • AU29939A - Improvements in or relating to multistage thermionic valve amplifiers : en
  • AT157864B - Holding and tight closure, especially for doors, windows and the like. like : de en
  • AU125639A - Improvements in or relating to means for launching torpedoes : en
  • US2189677A - Hat hanger : en
  • AT157942B - Closure for metal containers. : de en
  • US2189291A - Belt fastener : en
  • US2189399A - Electric welding apparatus : en
  • US2189503A - Condensation products containing nitrogen and process of making same : en
  • US2189690A - Cotton gin : en
  • AT157910B - Cavity post insulator. : de en
  • CA386695A - Ceramic-to-metal seal : en fr
  • AU249639A - Improvements in or relating to electric discharge tubes : en
  • DE687874C - Snap lock, especially for hanging up curtains : de en
  • CA386718A - Hydraulic power transmitter : en fr
  • US2189038A - Reamer : en
  • US2189414A - Material treating apparatus : en
  • US2189342A - Combination lock : en
  • US2189635A - Electric discharge device : en
  • GB517642A - Manufacture of azo-dyestuffs : en
  • US2188903A - Polystyrene compositions : en
  • US2188920A - Control apparatus for operating furnaces : en
  • US2189648A - Production of nitrogen-containing condensation products useful in the textile and related industries : en
  • AT157928B - Process for the production of elongated rolling stock, such as rods and. like : de en
  • US2189551A - Inking pad : en
  • US2188910A - Independent springing : en
  • CA386685A - Clasp brake rigging : en fr
  • DE687823C - Switching device on automatically working two-chamber compressed air fluid delivery systems : de en
  • DK57241C - Elastic Coupling. : da en
  • GB517783A - Improvements in or relating to the working cycle of internal-combustion engines : en
  • USD118822S - Design for a curtain ring : en
  • US2189476A - Pencil sharpening machine : en
  • CA386770A - Brick press : en fr
  • GB517684A - Process for the manufacture of new condensation products : en
  • AU231639A - Shading device for windows andthe like : en
  • AT157876B - Oil pressure brake cylinder with a fixed sleeve and piston without packing for hydraulic brakes, in particular for motor vehicles. : de en
  • AU370639A - Galvanic batteries : en
  • CA386702A - Welding flux and welding rod : en fr
  • US2189028A - Reinforced pile and method of making the same : en
  • US2189278A - X x x x x - x x x : en
  • US2189351A - Television transmission : en
  • US2189589A - Apparatus for testing materials : en
  • USD118846S - Design for a casing fob a therapeutic : en
  • US2189584A - Transmitter : en
  • USD118862S - Design for a bottle : en
  • USD118873S - Design for a clip for a fountain pen : en
  • DE687742C - Receiving amplifier circuit with several tubes heated by a mains transformer : de en
  • US2189238A - Sampling dipper : en
  • US2189463A - Primary battery : en
  • US2189588A - Electric switching device : en
  • AU316238A - Improvements in and relating to structural units for steel frame buildings orthe like : en
  • DE687736C - Clamp for pipes, cables and cables similar to cables : de en
  • US2189464A - Wheel hub construction : en
  • CA386689A - Engine fuel feeding means : en fr
  • US2188925A - Welding joint and chill ring therefor : en
  • US2189487A - Fish lure : en
  • US2189668A - Painting machine for shingles : en
  • USD118832S - Design for calipers : en
  • DE687968C - Process for the production of sublimed aluminum chloride : de en
  • US2188998A - Manufacture of cigarettes : en
  • US2189339A - Apparatus for use in welding : en
  • US2189623A - Integrating x-ray dosage meters : en
  • US2189652A - Finned tube : en
  • US2189001A - Light-responsive commutator or switchboard : en
  • US2189401A - Stoker mechanism : en
  • USD118892S - Design for a textile fabric : en
  • USRE21344E - Binding device : en
  • US2188943A - Lubricant and method of producing same : en
  • US2189706A - Automatic side hill equalizer attachment for grain combines : en
  • US2188987A - Artificial fly holder for a fisherman's kit : en
  • DE687773C - Screw bearings for airplanes, watercraft or the like. : de en
  • US2189214A - Icing of or the application of cream or the like to biscuits : en
  • US2189586A - Bottle washer and sterilizer : en
  • US2189678A - Nut cracking, grading, and kernel separating machine : en
  • DE687824C - Vehicle with lockable turntable steering : de en
  • DE687937C - : de en
  • US2189178A - Electrical relay : en
  • US2189604A - Boring bar guiding mechanism : en
  • GB517842A - Dress shield : en
  • GB517856A - Improvements in and relating to methods of and means for waving, curling and dressing the hair : en
  • AT157880B - Spring-loaded piston ring for reciprocating pistons. : de en
  • DE687723C - Direction indicators, in particular for motor vehicles : de en
  • US2189215A - Press operating motor and control mechanism : en
  • US2189518A - Paper making machine : en
  • GB517752A - Improvements in reconditioning percussive drill bits : en
  • GB517793A - Improvements relating to the production of organic acids by fermentation : en
  • GB517630A - Manufacture of new coloured organic compounds : en
  • GB517732A - Improvements in and relating to cartridges for small arms and machine guns : en
  • US2189150A - Bending machine : en
  • US2188999A - Typographical slug casting machine and matrix therefor : en
  • US2189016A - Process for treating hydrocarbons : en
  • AU109706B2 - Improvements in automatic slack adjusters for brakes : en
  • AU29139A - Improvements in soapholders and other accessories for water taps or faucets : en
  • DE687738C - Switching device for a multi-stage toothed wheels, especially motor vehicles : de en
  • GB517785A - Improvements in or relating to sponges : en
  • DE687973C - Auxiliary device for bending the type lever and applying the type to the type lever of typewriters : de en
  • GB517614A - Improvements in or relating to magneto-electric machines : en
  • US2189187A - Double-breasted garment : en
  • GB517654A - Improvements in and connected with plaster-of-paris : en
  • USD118818S - Design for a supper : en
  • DE687920C - Device for changing the rollers on the roller belt : de en
  • GB517817A - Improvements in or relating to apparatus comprising a series of receptacles for use in the pasteurisation or like heat treatment of liquids : en
  • US2189560A - Angle marker for inclination recording apparatus : en
  • US2189579A - Electric braking system : en
  • DE688027C - Alkaline water contained in the boiler by measuring the electrical conductivity : de en
  • DE687748C - Line ejector for die setting and line casting machines : de en
  • GB517751A - Improvements in and relating to the dyeing of cellulose esters with vat dyestuffs : en
  • US2189241A - Pie plate ring : en
  • GB517728A - Electric clock : en
  • IE15625L - Domestic fireplace bottoms : en
  • DE688046C - Vertical chamber furnace for continuous water gas or synthesis gas generation : de en
  • US2188909A - Suspension arm : en
  • US2189101A - Fuse : en
  • US2189720A - Vulcanization of rubber : en
  • USD118826S - De sign for a cream remover : en
  • US2189223A - Folding camera : en
  • US2189732A - Thread tensioning attachment for sewing machines : en
  • CA386724A - Speed indicator for motor vehicles : en fr
  • US2189082A - Injection engine : en
  • US2189299A - Film pack, especially for dental films and the like : en
  • DE687956C - Method for wrapping the winding heads of electrical machines, in particular the winding heads of motors for hand grinders, with a protective compound : de en
  • GB517650A - Improvements in or relating to gapping machines for thinning turnip, mangold, beet and other crops : en
  • US2188992A - Hardness tester : en
  • US2189084A - Relief valve : en
  • DE687982C - Process for the separation of polysaccharides and proteins from vegetable or animal substances : de en
  • DE687967C - on hydrofluoric acid : de en
  • US2189221A - Automotive equipment : en
  • US2189402A - Vacuum tube oscillator : en
  • USD118914S - Design for a dress : en
  • US2189526A - Double acting vacuum pump : en
  • US2189343A - Closure for collapsible tubes : en
  • US2189441A - Apparatus for crushing or grinding ore : en
  • US2189645A - Process for the conversion of hydrocarbons : en
  • USD118815S - Design for a base protector for golf : en
  • AT157919B - Mixing tap, especially for washbasins. : de en
  • GB517773A - Improvements in or relating to anti-corrosion bodies produced by sintering, fitting and like processes : en
  • GB517631A - New water repellent agents : en
  • US2189017A - Treatment of textile and other materials : en
  • US2189249A - Screen and storm sash hanger : en
  • GB517802A - Improvements relating to the distillation of crude oil petroleum or tars obtained from coal and shale : en
  • GR8749B - SUBMARINED SUBMARINE CREW RESCUE SYSTEM. : el en
  • AU158939A - Improvements inthe attachments of side-tubes to thick-walled tubular vitreous Especially quartz) envelopes : en
  • DE687853C - Switching device for the Matrizenausloesestaebe a die setting and line casting machine : de en
  • DE687820C - Device for classifying granular material : de en
  • GB517759A - Improvements in door closing and checking appliances : en
  • AU478838A - Improvements in sheepshearing machinehead gear : en
  • AU109732B2 - Mechanical stop and turn illuminated signalling hand : en
  • GB517692A - Process for the manufacture of ª‰-indole acetic acids : en
  • US2189631A - Indicator : en
  • US2189741A - Seismograph blasting cap : en
  • AU109656B2 - Feed mechanism : en
  • US2188993A - Oil separator : en
  • US2189554A - Carburetor accelerating pump : en
  • US2189393A - Towing reach for automobiles : en
  • US2189152A - Drill press for tapping attachment : en
  • USD118920S - Design for a box ob similar container : en
  • DE687822C - Method for producing valve bags from a web : de en
  • DE687835C - Automatic machine for the production of external bags : de en
  • AT157862B - Method and device for the production of armored hoses made of paper u. Like. And armored hose produced by the method. : de en
  • CA386664A - Radio receiving system : en fr
  • AU109680B2 - Containers for foodstuffs and lining compositions therefor : en
  • US2188897A - Desk construction : en
  • US2189074A - Locomotive fuel conveyer : en
  • US2189321A - Electro-optical device : en
  • US2189550A - Cut-out toy : en
  • AT157940B - Process for the production of durable, non-flaking and flexible metal coatings, in particular silver coatings on stainless steel. : de en
  • US2189149A - Automobile theft detector : en
  • US2189356A - Rotary pump : en
  • DE687886C - Blind stitch sewing machine with raw and finely adjustable fabric flexor or diver : de en
  • DE687984C - Juicer or similar household appliance : de en
  • DE688020C - Process for bright annealing of elongated metal bodies : de en
  • DE688043C - Discontinuous process for the immediate production of liquid iron or steel : de en
  • DE687961C - Device for automatic fine control of the discharge of the heavy good parts from flow channels : de en
  • GB517853A - An improved evaporator for refrigerating systems : en
  • AU114784B2 - Improvements in and relating to hollow bricks : en
  • US2189612A - Vapor electric device : en
  • US2189251A - Plug connector : en
  • US2189527A - Remote radio control : en
  • GB517837A - Improvements in or relating to the packaging of gas-pressure-generating cartridges : en
  • DE688030C - Multi-cylinder fuel pump, especially for internal combustion engines : de en
  • US2189712A - Lock for revolving doors : en
  • DE687812C - Color filter disc for color television : de en
  • DE688018C - Fabric strips for the joint closure of building board surfaces : de en
  • DK57235C - Protection device at circular saws. : da en
  • US2188967A - Apparatus for conditioning air : en
  • US2189142A - Sash window construction : en
  • US2189528A - Automatic vehicle signal : en
  • US2188916A - Method of making container parts : en
  • US2189237A - Combination cup and plunger oil well pump : en
  • GB517648A - Improvements in electrical wiring systems : en
  • DE659198C - Method for the transmission of images by electrical means : de en
  • DE687905C - Structure for aircraft : de en
  • US2189457A - Method and means for electrical testing : en
  • US2189719A - Automobile frame : en
  • USD118849S - Design for a handle for kitchen : en
  • USRE21341E - Automatic feed head : en
  • GB517804A - Pocket spirit-stove or the like heater : en
  • GB517859A - Improvements in means for transporting the beams of ships' hatches : en
  • DK57236C - Process for the production of a metallic conglomerate which is intended to be melted into a homogeneous mass. : da en
  • GB517777A - Improvements in and relating to lamp shades : en
  • US2188938A - Apparatus for treating masonry and like surfaces : en
  • US2189012A - Manufacture of organic compounds : en
  • US2189371A - Drawing device : en
  • GB517795A - Improvements in or relating to concrete mixers and other wheeled machines : en
  • US2189315A - Television receiver : en
  • USD118905S - Design for a combined relish bowl : en
  • US2189194A - Apparatus for heat treatment : en
  • US2189669A - Endless chain cutting machine for use in mining coal and other minerals : en
  • US2189275A - Wrap-around apparatus for knitting machines : en
  • USRE21343E - machine tool : en
  • GB517613A - Improvements relating to valves : en
  • DE687806C - Process for the production of water of constant composition : de en
  • GB517696A - Improvements in and relating to variable pitch airscrews : en
  • GB517765A - Improvements in or relating to colliery trailing cables : en
  • DE687998C - Process for the manufacture of insulating materials : de en
  • US2189449A - Animal cage : en
  • US2189547A - Film reel : en
  • US2189617A - Method and device for cooling me : en
  • US2188919A - Application of reagents in countercurrent extraction : en
  • US2189174A - Container : en
  • US2189474A - Blade sharpener : en
  • DE687969C - Steam system with steam boiler and high-pressure accumulator, the maximum pressure of which is above the pressure of the steam boiler : de en
  • US2188948A - Service signal equipment : en
  • USD118839S - Design fob a combined perfume bot : en
  • US2189211A - Hand pruner or like tool : en
  • US2189404A - Anesthetic of the pyridine series and method for producing the same : en
  • US2189200A - Machine for frying food : en
  • US2189654A - Nut lock : en
  • US2189662A - Liquid level control means : en
  • US2189097A - Matrix setting and type-line-casting machine : en
  • US2189505A - Curler : en
  • US2189032A - Reamer : en
  • US2189085A - Toy parachute : en
  • US2189314A - Apparatus for twisting and reeling material : en
  • US2189329A - Tension rolling means : en
  • US2189703A - Well production apparatus : en
  • DE687800C - Rubber buffer for vibrating sieves : de en
  • US2189088A - Fluid pressure motor : en
  • US2189292A - Belt fastener : en
  • AU32339A - Method for the destruction of superfluous hairs : en
  • DE687923C - Film tour on motion picture recording devices : de en
  • DE687934C - r Longitudinal seams of pipes of different diameters : de en
  • US2189529A - Unsaturated ether products and process of producing same : en
  • US2189646A - Method and apparatus for twisting metal bars into a unitary structure : en
  • US2188949A - Circuit breaker : en
  • US2189162A - Drain valve : en
  • US2189453A - Four-wheel trailer hitch : en
  • US2189115A - Selective addressing machine : en
  • CA386701A - Brake mechanism : en fr
  • US2189537A - Multiple clutch automatic transmission : en
  • USD118896S - Design fob a blouse : en
  • US2188912A - Method of and apparatus for making collapsible containers : en
  • US2189397A - Organic nitrogenous base derivatives of ether derivatives : en
  • USD118868S - Design fob a billfold : en
  • CA386774A - Railway car truck : en fr
  • CA386752A - Railway car end : en fr
  • US2189287A - Remotely controlled radio receiver : en
  • US2189304A - Station selector : en
  • USD118827S - Design fob a wheel load scale : en
  • US2189557A - Method of and apparatus for the production of coiled hanks of wire : en
  • DE687754C - Automatically switching control of several switching mechanisms of electric traction vehicles that pass through without stopping : de en
  • DE687907C - : de en
  • AU200739A - Improved apparatus for enamelling and baking articles : en
  • IE15977L - Condensation reaction; synthetic resins : en
  • CA386731A - Water treatment : en fr
  • US2188915A - Inlay heater and ring : en
  • USD118924S - Design fob a receptacle base for an : en
  • IE15938L - Milk heater : en
  • AT157930B - Device for lifting and pressing the saw blade on hacksaw machines. : de en
  • US2189431A - Method of making impervious bags : en
  • DE687789C - Test circuit for telephone systems with dialer operation : de en
  • DE687792C - Device for complete or partial bridging of a contact path for switching or control processes with the help of a self-resilient belt : de en
  • US2189118A - Buckle : en
  • US2189226A - Brake : en
  • US2189317A - Diversity antenna system : en
  • CA386739A - Thermionic gaseous discharge rectifier : en fr
  • US2189373A - Safety cathead : en
  • US2189440A - Switch mechanism : en
  • USD118857S - Design for a signal device : en
  • USD118845S - Design for a spectacle temple : en
  • CA386700A - Jar closure : en fr
  • DE687858C - Helical roller bearing wheel set for mine and field railroad cars : de en
  • DE687888C - Device for hanging up shaken Masc u. like : de en
  • US2189506A - Luminous advertising device : en
  • US2188966A - Smoking pipe : en
  • US2189153A - Detachable fixture support and bracket : en
  • DE688024C - Film holding frames, especially for slides and projectors : de en
  • US2189041A - Multiple looper means for sewing machines : en
  • US2189273A - Envelope : en
  • AU109704B2 - Improvements in tractor drawn rotary cultivators : en
  • USD118918S - Design fob a dress : en
  • US2189747A - Clothes wringer : en
  • USD118906S - Design for a textile fabric : en
  • DE688026C - components : de en
  • US2189364A - Hose holder : en
  • US2189496A - Fishhook : en
  • USD118855S - Design for a jab : en
  • AT157891B - Elastic friction coupling. : de en
  • AT157882B - Device for the watertight connection of shielded ignition cables to a shielded spark plug. : de en
  • AU109717B2 - Anew or improved method of photoengraving : en
  • US2188997A - Seat : en
  • US2189139A - Coach construction : en
  • US2189643A - Dispensing apparatus : en
  • GB517848A - Improvements in or relating to thread-tensioning means for sewing machines : en
  • US2189091A - Flexible high frequency cable : en
  • US2188969A - Coffee roasting apparatus : en
  • DE687949C - Process for the production of artificial casings by gluing prepared paper : de en
  • US2189209A - Process for cleaning pile and other fabrics : en
  • GB517839A - Improvements in or relating to circuit arrangements for generating oscillations of sawtooth waveform : en
  • US2189489A - Antislipping shoe : en
  • DK57228C - Stabilized High Frequency Amplifier. : da en
  • US2189034A - Reamer : en
  • GB517735A - Improvements in dress hangers or carriers : en
  • DE687922C - Cinematographic recording cameras designed with fixed side walls, in particular those used by cinema theodolites : de en
  • GB517655A - Improvements relating to pin-tumbler cylinder locks and keys therefor : en
  • GB517627A - Improvements in bearings particularly for the tuning mechanism for radio receivers or the like : en
  • GB517709A - Improvements in or relating to baking pans : en
  • GB517796A - Method and apparatus for testing or determining the moisture content of substances : en
  • GB517849A - Improvements in or relating to vapour electric converters : en
  • US2188991A - Automatic railway signaling system : en
  • US2189302A - Abrading tool : en
  • US2189305A - Electric discharge device : en
  • DE687734C - Equipment for the execution of balancing work with statistical tabulating machines : de en
  • US2189736A - Age resister : en
  • US2189664A - Nitrogenous compounds : en
  • GB517786A - Improvements in and relating to wind socks : en
  • US2189367A - Ortho-hydroxycarboxylic acids of the diphenylene series : en
  • US2189580A - Method of making a photoelectric cell : en
  • US2189272A - Sand and gas trap : en
  • US2189497A - Free piston machine : en
  • US2189564A - Disinfectant and wound remedy and the production thereof : en
  • GB517685A - The manufacture of ª‡-halogen-vinyl methyl ketones : en
  • US2189189A - Absorption dynamometer : en
  • US2189262A - Azo dyestuffs : en
  • US2189398A - Torpedo : en
  • US2189439A - Underwater connector : en
  • US2189467A - Ornament and button shield : en
  • US2189521A - Picture frame : en
  • DE687783C - Grinding device for revolving sickle knives in strand cigarette machines : de en
  • DE687901C - Coupling between tap changers and their drive : de en
  • GB517736A - Improvements in dry shaving machines : en
  • AU311038A - Improvements in and relating to scaffolding devices : en
  • US2189636A - Long life cathode for electron tubes : en
  • USD118874S - Design fob a radio cabinet : en
  • US2188945A - Double-walled electric incandescent lamp : en
  • US2189094A - Valve for controlling landing gear of aircraft : en
  • US2189642A - Car truck and braking means therefor : en
  • US2189482A - Machine tool : en
  • US2189501A - Short wave generator : en
  • GB517717A - Knitted sheath or corset and process and apparatus for the manufacture of the same : en
  • USD118853S - Design for a photographic arc lamp : en
  • US2189481A - Films, filaments, and other shaped articles made by hardening proteins coagulated from their solutions : en
  • DE687843C - Method for controlling electrical point or device : de en
  • DE687751C - Process to increase the pourability and improve the shelf life of Duengesalzen : de en
  • AU99339A - Sawdust burning brooder : en
  • US2189694A - Vacuum breaker : en
  • CA386669A - Tire : en fr
  • AT157884B - Pipe coupling. : de en
  • CA386735A - Fastener making apparatus : en fr
  • DE687909C - : de en
  • GB517754A - Improved container for food and other articles and substances : en
  • DE687780C - Movable, motor-driven armored cover : de en
  • DE687862C - : de en
  • US2189025A - Paper feeding device : en
  • US2189733A - Resin bonded abrasive article : en
  • US2188905A - Apparatus for handling thread or the like : en
  • US2189193A - Elevator controller : en
  • US2189418A - Material classifier : en
  • GB517812A - Improvements in or relating to the production of foams : en
  • USD118925S - Design fob an elastic fabric : en
  • AU221039A - Vehicle for transporting logs, commonly called logging arches : en
  • DE687867C - Periodically acting heat timer : de en
  • DE687980C - safety goggles : de en
  • GB517841A - A new or improved safety device for wire-stitching and like machines : en
  • AU110539A - Improvements in luminescent materials andin combinations therewith of sources of radiation adapted to excite the materials to luminescence : en
  • US2189442A - Boiler : en
  • USD118882S - Design for a textile fabric : en
  • US2189063A - Signal coupling network : en
  • US2189359A - Music note pitch teaching device : en
  • DE688038C - Process for treating a homogeneous crude liquid mixture which cannot be separated or is difficult to separate by distillation : de en
  • US2189542A - Fence post : en
  • DE687931C - Toy mount or sports equipment : de en
  • USD118875S - Design fob a necklace : en
  • US2189210A - Fuel pump : en
  • DK57242C - Procedure and Apparatus for Cleaning Containers Using Alkaline Detergents. : da en
  • GB517803A - Improvements in apparatus for the reproduction of sound films : en
  • GB517835A - Improvements in or relating to apparatus for moulding pulp : en
  • GB517620A - Improvements in and relating to a catenary cable construction for suspension bridges : en
  • AU329238A - Improvements in or relating to electric discharge tubes having secondary emission electrodes : en
  • US2189309A - All-wave antenna system : en
  • DE687960C - Device for closing bottom bags : de en
  • US2188956A - Hydraulic press : en
  • USD118866S - Design for a housing for signal : en
  • US2189106A - Internal combustion engine : en
  • US2189147A - Fire preventing and extinguishing apparatus : en
  • US2189047A - Wiener roaster : en
  • US2189352A - Process and device for the determination and regulation of the moisture content of lengths of material : en
  • CA386737A - High frequency amplifier : en fr
  • DE687788C - Condenser microphone : de en
  • DK57238C - Ploughshare. : da en
  • AT157908B - Sound pickup device. : de en
  • AU45539A - Improvements in or relating to sliding clasp fasteners : en
  • GB517649A - Improvements in or relating to electric condensers : en
  • AT157909B - Waterproof connector bushing. : de en
  • US2189539A - Method of setting type and mechanism therefor : en
  • US2189307A - Abrading tool : en
  • US2189076A - Folding shipping case : en
  • US2189158A - Overfill preventer for storage batteries : en
  • CA386703A - Slub yarn producing apparatus : en fr
  • AU109696B2 - Improvements inthe attachments of side-tubes to thick-walled tubular vitreous Especially quartz) envelopes : en
  • AT157863B - Hollow stone for the production of self-supporting beam ceilings. : de en
  • CA386738A - Phonographic apparatus : en fr
  • AU109669B2 - An improved appliance for crimping fencing wires or the like : en
  • GB517855A - Improvements in or relating to the discharging of electricity from materials used inindustries : en
  • GR8763B - APPARATUS FOR EXACT EQUATION OF THE CURVITY OF AIRLINE INSTALLATIONS USING FREQUENCY CARRIERS. : el en
  • US2189208A - Nonharmonic load supporting spring unit : en
  • AT157903B - Connection device with base and socket for all types of electrical lamps. : de en
  • CA386716A - Suction cleaner : en fr
  • AU32839A - Improvements in or relating to laminated magnetic structures : en
  • AU116639A - Anew or improved method of photoengraving : en
  • CA386712A - Nut : en fr
  • US2189127A - Fluid heating device : en
  • USD118901S - Design for a dress ensemble : en
  • CA386733A - Closet bowl seat and flush rim : en fr
  • GB517660A - Improvements in or relating to appliances for use in permanent hair waving : en
  • GR8751B - METHOD OF RESPONSIBILITY OF PRODUCTION OF POTASSIUM PRODUCTS AND COMPOSITED FROM GENERALLY FROM NATURAL OR ARTIFICIAL SOURCES OR USEFUL MATERIALS. : el en
  • AT157874B - Device for stopping the printing plates or stencils moved through address printing machines. : de en
  • USD118831S - Design for a combination ice chipper : en
  • US2189660A - Power level indicator : en
  • DE687819C - Epicyclic gearbox : de en
  • AU109671B2 - Hinge and pillar construction for vehicle doors : en
  • US2189369A - Base support : en
  • US2189599A - Process of preparing cyanine dyes with strong organic bases : en
  • DE687761C - Increasing the fluorescence ability of powdered or ground phosphors : de en
  • DE687974C - raeger of typewriters or the like. : de en
  • GB517810A - Improvements in and relating to electrical altimeters : en
  • GB517846A - Pin for artificial teeth and method of making same : en
  • CA386740A - Hoist : en fr
  • DE687939C - Overcurrent circuit breaker with push-button latch release : de en
  • US2189409A - Laminated sheet material : en
  • USD118840S - Design for a combined frozen con : en
  • US2189171A - Signal transmitting apparatus : en
  • US2189253A - Wheel scraper : en
  • US2189286A - Road machine : en
  • US2188980A - Rubber accelerator compositions : en
  • US2189334A - Watch movement : en
  • GB517670A - Improvements in or relating to apparatus for the automatic operation and control of washing machines : en
  • DE688025C - he power and working machines : de en
  • GB517858A - Manufacture of abrasive alumina : en
  • GB517689A - Process for improving the stability to heat of shaped polyvinyl chloride and the like : en
  • US2189064A - Hard lead alloys and methods of making such alloys : en
  • USD118916S - Design fob a dress : en
  • US2189687A - Christmas tree stand : en
  • USD118907S - Design for a dress : en
  • DE687964C - Unterbrennerkoksoefen : de en
  • AU358339A - Containers for foodstuffs and lining compositions therefor : en
  • CA386682A - Hosiery knitting machine : en fr
  • AU109662B2 - Improvements in and relating to scaffolding devices : en
  • US2189475A - Regulating apparatus : en
  • US2189252A - Blower : en
  • CA386748A - Primary battery : en fr
  • US2189040A - Reamer : en
  • US2189043A - Printing transferring machine : en
  • US2189432A - Stepladder : en
  • US2189462A - Bridge circuit : en
  • US2189061A - Combined clinical thermometer and sterilizer therefor : en
  • US2189682A - Printing plate and attaching means : en
  • GB517734A - Improvements relating to ball cock valves : en
  • US2189129A - Valve : en
  • DE687996C - Method and device for the production of lightweight building blocks : de en
  • US2189354A - Culinary device : en
  • GR8756B - SYSTEM FOR PACKAGING AND PRESERVATION OF PICTURAL LIQUIDS FOR INTERPATHOMICAL USES. : el en
  • US2189266A - Joint construction : en
  • US2189113A - Feeder apparatus : en
  • US2189145A - Exercising and stretching device : en
  • US2189701A - Production packer and liner hanger : en
  • US2189069A - Sealing mechanism for wrapping machines : en
  • DE688013C - Self-supporting waveguide for electrical lines or cables, especially for high-frequency cables : de en
  • US2189132A - Process for producing phenolcellulose resin : en
  • DE687839C - Agitator : de en
  • US2188981A - Label : en
  • AU53739A - Portable electrically operated punkah : en
  • US2189595A - Welding process : en
  • AU109663B2 - Improvements in sheepshearing machinehead gear : en
  • US2189344A - Road machine : en
  • AT157950B - Process for the production of ferromanganese. : de en
  • AU109661B2 - Improvements in or relating to suction cleaners : en
  • US2188990A - Sealing device : en
  • CA386677A - Aligner for manifolding sheaves : en fr
  • US2189465A - Windshield or the like : en
  • US2189183A - Trailer draft mechanism : en
  • US2189546A - Transmission system : en
  • US2189601A - Welding timing circuits : en
  • DK57225C - Washing machine with forced circulation of the washing liquid caused by heating. : da en
  • GB517635A - Improvements in or relating to flexible couplings for shafts : en
  • AT157907B - Device for protecting transformer windings against traveling waves. : de en
  • US2189410A - Container : en
  • US2189284A - Adjustable two-pole capacitive coupler : en
  • US2189381A - Temperature regulating system : en
  • US2189471A - Reversible propulsion unit : en
  • US2189722A - Esters of hexahydro phthalic acid : en
  • AT157947B - Process for the production of tantalum-niobium carbide mixed crystals for the production of hard metal. : de en
  • GB517632A - New organic nitrogen compounds : en
  • US2189651A - Arm for individual suspension : en
  • US2189136A - Cup and the like : en
  • DE687786C - containing gases : de en
  • US2189196A - Refining fuel oil : en
  • US2189429A - Hand crutch : en
  • AT157853B - Amplifier circuit to reduce non-linear distortion. : de en
  • US2188957A - Packing : en
  • US2189379A - Process for treating soda asphalt : en
  • US2189728A - Rotary internal combustion engine : en
  • DE687811C - Process for reducing interline flicker in television broadcasts using the skip line method : de en
  • US2188933A - Flotation treatment of sylvinite ores : en
  • US2188934A - Corn cutter : en
  • US2189571A - Alloys : en
  • US2189745A - Wedge fastener for scraper blades : en
  • US2189511A - Diaphragm damper control for stokers : en
  • US2189509A - Acid wool dyestuffs of the anthraquinone series : en
  • CA386742A - Button positioning mechanism : en fr
  • CA386766A - Signalling system : en fr
  • AU109735B2 - Improvements in and relating to electrically heated ovens : en
  • GB517626A - Improvements relating to photographic cameras : en
  • GB517667A - Improvements in or relating to radio landing systems for aircraft : en
  • AT157869B - Hollow brick girder. : de en
  • US2189451A - Rotary can washer : en
  • USD118823S - keith : en
  • CA386662A - Anaesthetic administering apparatus : en fr
  • AT157923B - Ski rest furniture. : de en
  • US2189308A - Constant selectivity receiver : en
  • US2188986A - Sweater drier and stretcher : en
  • US2189263A - Precipitation of copper : en
  • AT157902B - Circuit for conducting chain discussions. : de en
  • CA386744A - Water bearing formation sealing method : en fr
  • CA386704A - Boron fluoride : en fr
  • US2189294A - Variable speed transmission device : en
  • US2189445A - Combination plug and dump bailer : en
  • AT157912B - Lighting device. : de en
  • US2189002A - Quick releasing chuck : en
  • AU109687B2 - Improvements in means for supporting and actuating swinging gates : en
  • AU109689B2 - Improvements in and relating toa method of distilling coal andother carbonaceous material : en
  • US2189033A - Reamer : en
  • DE687868C - In those of a constant voltage, the other carries a constant current, via an inverter-rectifier arrangement : de en
  • GB517738A - Improvements in the manufacture and production of synthetic resins : en
  • US2189692A - Safety inner tube for automobile tires : en
  • DE687855C - Line casting machine : de en
  • GB517740A - Improvements in or relating to the manufacture of formaldehyde : en
  • GB517822A - Process for the production of pure hydrocarbons of the benzene series by distillation and apparatus for carrying out this process : en
  • USD118902S - Design fob a hat : en
  • CA386676A - Non-skid device : en fr
  • USD118814S - Design for a refrigerator cabinet : en
  • AU109681B2 - Galvanic batteries : en
  • DE687914C - Circular knitting machine with two needle cylinders : de en
  • US2189081A - Centrifugal pump : en
  • US2189729A - Packet making and filling machine : en
  • DE688049C - : de en
  • US2188941A - Multiple spindle boring mechanism : en
  • CA386707A - Ignition coil and switch : en fr
  • AT157898B - High frequency cable with several concentric lines. : de en
  • US2189699A - Slope gauge for graders : en
  • DE687795C - Device for determining the transmission ratio of power transformers : de en
  • US2189111A - Signal measuring system : en
  • AT157896B - Device for cleaning the tracks of motor vehicles. : de en
  • US2189225A - Automatic clutch operating mechanism : en
  • CA386775A - Railway car truck : en fr
  • CA386750A - Gonadotropic hormone recovery : en fr
  • US2189594A - Filter device for control valves : en
  • US2189644A - Means for holding together parts having telescopic engagement : en
  • US2189691A - Playground slide : en
  • AU109682B2 - Improvement in liquid level control device for storage batteries : en
  • DE687910C - Process for the preparation of artificial tanning agents : de en
  • CA386663A - Collapsible carton : en fr
  • US2188922A - Automatic train pipe connector : en
  • USD118921S - Design for an atomizer : en
  • US2188918A - Automatic position-selecting device : en
  • USD118910S - Design fob a textile fabric : en
  • DE687730C - Device for direction finding and geographic location of vehicles : de en
  • DE687847C - Process to increase the brewhouse yield in breweries : de en
  • GR8750B - FINISHED YARN WRAPING SYSTEM ON THE CYLINDERS OF DISPOSABLE MACHINES. : el en
  • GB517761A - Rubber compositions : en
  • AT157933B - Method and device for azeotropic dewatering of organic liquids. : de en
  • US2189378A - Bleaching fibers and a composition therefor : en
  • AU109692B2 - Portable electrically operated punkah : en
  • AT157860B - Rung ladder. : de en
  • US2189078A - Bending of wood : en
  • US2189164A - Head lamp : en
  • USD118893S - Design for a box or similar container : en
  • AU109664B2 - Improvements in or relating to multistage thermionic valve amplifiers : en
  • US2189195A - Apparatus for drying or otherwise treating thread or the like : en
  • US2189395A - Insulated conductor and a method of making the same : en
  • US2189624A - Heat insulating hearth : en
  • USD118890S - Design fob a textile fabric : en
  • AT157938B - Process for obtaining basic substituted products from molded structures. : de en
  • US2189350A - Pipe coupling : en
  • DE687863C - Process for the production of mosaic cathodes for image storage tubes : de en
  • GR8754B - FABRIC MORTAR. : el en
  • US2189027A - Printing and punching machine : en
  • US2189067A - Method of making a sewn and cemented article : en
  • US2189122A - Method of and apparatus for sensing radiant energy : en
  • CA386660A - Building block : en fr
  • GB517721A - Improvements relating to the exhaust systems of internal combustion engines : en
  • US2189114A - Fruit and vegetable display device : en
  • CA386728A - Accounting machine carriage mechanism : en fr
  • DE687848C - Unterburner regenerative coke oven : de en
  • DE688036C - Surface patterning device : de en
  • GB517634A - Improvements in ball and float supply valves for water-waste preventers : en
  • US2189245A - Measuring instrument : en
  • DE687720C - Tiltable device for treating melts made of metals and alloys with gases under vacuum : de en
  • US2188937A - Line tightener : en
  • US2189216A - Door frame and plaster bead : en
  • US2189700A - Electrically operated hammer : en
  • US2189583A - Cathode ray device : en
  • GB517633A - Improvements in or relating to hydroplane vessels : en
  • US2189239A - Rotary swing : en
  • AT157943B - Method for the mortar-free masonry of refractory bricks with intermediate layers of metal sheets. : de en
  • US2189282A - Receiver tuning control : en
  • US2189708A - Vibration isolator : en
  • USD118844S - Design for a burial monument : en
  • GB517745A - Improvements in or connected with conveyors of the belt type : en
  • US2189726A - Method of purifying benzoic acid : en
  • DE688011C - Device movable on rails or movable on runners for distributing and compacting bituminous or tarred road building materials : de en
  • US2189180A - Bookmarker : en
  • US2189384A - Railway car end structure : en
  • USD118909S - Design for a textile fabric : en
  • GB517797A - Improvements in or relating to mixing devices : en
  • GB625408A - Improvements in electric condensers and in radio circuits including same : en
  • GB517741A - Improvements in and connected with drip cups for bottles, drinking vessels and the like : en
  • GR8760B - METHOD FOR PREPARATION OF HARD MELTING HARD RESINS. : el en
  • DE688016C - To indicate the goods to be bought for household and kitchen use : de en
  • GB625405A - Improvements in or relating to radio transmitters : en
  • AU317938A - Improvements in or relating to electron discharge tube amplifiers : en
  • DE687930C - Spinning and twisting machine with electric braking system : de en
  • US2189179A - Process for making sodium aluminum sulphate : en
  • US2188976A - Saw trimmer vise : en
  • US2189031A - Reamer : en
  • US2189470A - Automatic closing dispensing device for collapsible tubes : en
  • US2189655A - Conversion of hydrocarbons : en
  • US2188961A - Lawn trimming device : en
  • US2189312A - Pulverization system : en
  • US2189716A - Safety latch for coil tilters : en
  • AU343739A - Improvements in automatic slack adjusters for brakes : en
  • US2189135A - Boiler : en
  • US2189424A - Surge filter for pulsating gases : en
  • US2189746A - Sanctuary lamp : en
  • DE687876C - Pantograph trolley : de en
  • US2189331A - Method and apparatus for use in welding : en
  • GB517706A - Improvements relating to attaching trailers to tractors : en
  • DE687869C - Discharge vessel with a filling of krypton or xenon or a mixture of these two gases under a pressure of about 0.01 to 0.5 mm mercury column : de en
  • CA386680A - Crushing method : en fr
  • US2189498A - Metal cartridge for shotguns : en
  • DE687881C - Root irrigation device : de en
  • USD118922S - Design for an atomizer : en
  • US2189003A - Humidifier : en
  • US2189458A - Dry cleaning apparatus : en
  • GB517674A - Manufacture of 2-chloro (or bromo)-4 (or 6)-nitro-aminobenzene-6 (or 4)-sulphonic acid : en
  • USD118891S - Design fob a textile fabric : en
  • GB517641A - Improvements in method and apparatus for revaporizing liquefied gas : en
  • US2189133A - Phenol-cellulose resin : en
  • DE687838C - Conveyor and driving belt : de en
  • DE687756C - Device for the prevention of overspeeding in electrically operated vehicles equipped with series motors : de en
  • GB517716A - Observation devices for road vehicles : en
  • US2189618A - Vapor electric tube : en
  • US2189380A - Process of preparing dried egg albumin : en
  • US2189512A - Method and means of packing food products and the like : en
  • CA386758A - Copper oxide rectifier : en fr
  • GB517737A - An improved automatic control for vehicle lights : en
  • GB517821A - Improvements in and relating to self-priming centrifugal pumps : en
  • CA386705A - Electric geological apparatus : en fr
  • GB517788A - Improvements in independent simultaneous telegraphy and telephony systems : en
  • GB517851A - Improvements in the control of multi-cylinder internal combustion engines : en
  • US2189065A - Head for clamshell buckets : en
  • US2189385A - Floor rack for refrigerator cars : en
  • DE687769C - Soft packing for stuffing boxes u. like : de en
  • US2189190A - Circuit closer : en
  • US2189024A - Sorting machine : en
  • DE687755C - Testing device for safety equipment, especially for electrically powered vehicles : de en
  • DE687771C - Device for taking photographs from any height : de en
  • DE687784C - Quick-release machine vice : de en
  • DE687840C - Electron tubes for amplifying or rectifying electrical vibrations : de en
  • DE687951C - Dimming device for air raid purposes on chimneys etc. : de en
  • GB517708A - Improvements relating to the manufacture of loom pickers : en
  • US2189258A - Motor mechanism : en
  • DE688023C - Photometer : de en
  • GB517690A - Method and apparatus for numbering or otherwise marking papers : en
  • US2188977A - Manufacture of shoes : en
  • US2189478A - Fishing device : en
  • US2189689A - Safety razor : en
  • DE687950C - Photographic transfer film : de en
  • AU109709B2 - Improvements relating to systems of remote control of electrical substations : en
  • US2189140A - Gas cutting machine : en
  • DK57246C - Closing and Dispensing mechanism for Bottles, e.g. Thermoses, or other Containers with Neck. : da en
  • GB517625A - Improvements in or relating to internal combustion engines having cylinders parallelto a central shaft : en
  • DE687895C - Ice skate with interchangeable track : de en
  • CA386686A - Envelope and printing process : en fr
  • GB517676A - Improvements in and relating to electric control systems for dynamo-electric synchronous machines : en
  • US2189086A - Material working apparatus : en
  • USD118865S - Design for a flag holder : en
  • US2189220A - Planetary gear drive : en
  • US2189671A - Rope thimble : en
  • US2189710A - Hitching device for trailers : en
  • US2189050A - Tuning circuits : en
  • US2189326A - Arc welding system : en
  • US2189629A - Crater cathode : en
  • AT157868B - Suitcase. : de en
  • US2189124A - Mechanical separation of mixturs of substances, particularly coarsegrained mineral mixtures : en
  • US2189567A - Awning strip : en
  • CA386779A - Directly heated cathode : en fr
  • GB517718A - Improvements in or relating to electric condensers : en
  • AU68939A - Super-regenerative detector circuit : en
  • CA386666A - Shelf and bracket fixture : en fr
  • US2189260A - Electron discharge tube and the like : en
  • US2189456A - Float switch : en
  • US2189048A - Silent door stop : en
  • US2189053A - Ambulatory splint : en
  • AT157887B - Device for automatically limiting the free travel of the adjusting elements in flow pressure systems, in particular the brake shoes of motor vehicle brakes. : de en
  • US2188968A - Cushioning device for bicycle forks and the like : en
  • USD118881S - Design fob a textile fabric : en
  • GB517656A - Improvements in pulleys : en
  • US2189541A - Printing telegraph apparatus : en
  • GB517621A - Improvements in or relating to electric circuit breaker contacts : en
  • GB517636A - Improvements in or relating to automatic tuning systems for radio receivers : en
  • AU220039A - Blood transferring instrument for transfusion operations : en
  • GB517724A - Improvements relating to aircraft undercarriages with resilient wheel units : en