• US2296769A - Car truck : en
  • CA407591A - Manufacture of synthetic resin prisms : en fr
  • CA407601A - Sulphite process : en fr
  • US2296244A - Filing element : en
  • FR875414A - Coupled oscillation generators : en fr
  • US2296806A - Apparatus for heating metal objects : en
  • DE725378C - Electro-acoustic binaural listening device for bearing for height and side with four sound collectors : de en
  • US2296392A - Heat-resistant wall panel : en
  • US2296551A - Calendar : en
  • US2296461A - Safety razor : en
  • US2296488A - Winding device for punched strip stock : en
  • CA407490A - Wrench : en fr
  • US2296478A - Piston : en
  • USD133833S - Design for a jewelry pin : en
  • US2296678A - Ultra high frequency device : en
  • US2296507A - Vehicle lifting device : en
  • USD133856S - Design for a coat lining : en
  • US2296386A - Chemical process : en
  • US2296687A - Hydroxylation of unsaturated halides : en
  • US2296520A - Motor vehicle : en
  • DE725326C - Process for the preparation of alcohols of the acetylene series : de en
  • DE725393C - Pressure oil line for the control of steam engines : de en
  • DE725488C - Process for the production of high pressure pipe bundles, especially for gasoline synthesis : de en
  • US2296638A - High surface hiding pigment material and process of making the same : en
  • US2296758A - Machine for assembling carton partitions : en
  • USRE22181E - Chemical apparatus : en
  • CA407551A - Signalling system : en fr
  • US2296365A - Lubricating device : en
  • GB548072A - Improvements in or relating to methods of and apparatus for the handling of continuous webs of flexible sheet material : en
  • DE725375C - Safety razor : de en
  • CA407512A - Titanium pigment : en fr
  • CA407493A - Rubber glazing strip for multiple glass sashes : en fr
  • GB548021A - Improvements in and relating to arched constructions : en
  • GB548074A - Improvements in or relating to dominoes : en
  • DE725427C - Inking unit for high-speed presses, especially holding cylinder high-speed presses : de en
  • CA407523A - Photographic element : en fr
  • CA407599A - Light valve : en fr
  • US2296299A - Washboard : en
  • US2296702A - Gas turbine : en
  • US2296723A - Method of deep-drawing ethyl cellulose films : en
  • USD133835S - Design fob a jewelry pin : en
  • GB548035A - Improvements in and relating to luminairs : en
  • US2296334A - Resilient piston ring : en
  • DE725468C - Arrangement to reduce the distortion factor : de en
  • US2296394A - Manufacture of novelty artificial yarn : en
  • US2296276A - Calculating machine : en
  • DE725572C - Cooling air duct for the rear engine of motor vehicles : de en
  • CA407588A - Progressive lens moulding method and apparatus : en fr
  • DE725469C - Mixing pipe circuit using a six-wire pipe : de en
  • DE725612C - Method and device for the production of windows from vinyl copolymers for aircraft : de en
  • FR875443A - Cylindrical iron scabbard surrounded by a light metal casing, for internal combustion engines : en fr
  • US2296605A - Plow : en
  • US2296437A - Water treatment and apparatus : en
  • US2296525A - Pocket clothes brush : en
  • CA407495A - Can closing machine : en fr
  • DE725510C - Bracket for bicycle headlights : de en
  • US2296252A - Staple fiber cutting mechanism : en
  • US2296717A - Lamp socket : en
  • US2296686A - Gas pilot and valve control : en
  • GB548062A - Improvements in or relating to flame or explosion traps : en
  • US2296467A - Ventilated awning : en
  • USD133894S - Design for a dress : en
  • CA407592A - Apparatus for preheating lens making materials : en fr
  • DK60171C - Towing tractor, manufactured by Converting a Passenger or Truck vehicle. : da en
  • USD133878S - Holder for inkwells and pens : en
  • DE725347C - Polishing spindle heads made of quartz, glass, porcelain or the like for teeth, crowns, bridges. Like. Made of plastics, such as synthetic resin or the like. : de en
  • DE725577C - Device for raising and lowering Chanoine-Pasqueau flap weirs : de en
  • GB548095A - Modulation system for oscillation generators or amplifiers employing velocity modulation tubes : en
  • DE725496C - Weft coil for bobbinet machines : de en
  • DE725405C - Threshing machine for bast fiber plants : de en
  • DK60170C - Device for Brakes for Strollers. : da en
  • US2296241A - Pulpwood saw frame : en
  • US2296518A - Driving connection with focusing mechanism : en
  • US2296809A - Electric switch contact mounting : en
  • CA407570A - Abrasive tool for cleaning still tubes : en fr
  • US2296796A - Manufacture of acetylene : en
  • CA407533A - Capacitor motor mounting : en fr
  • US2296641A - Engine water circulating system : en
  • US2296336A - Splice for structural shapes : en
  • GB548037A - Improvements in and relating to rulers or scales : en
  • DE725662C - Gas- and watertight plug coupling for multi-core flexible cables provided with an earth wire : de en
  • DE725667C - Screw connection for cover of electrical machines and apparatus : de en
  • US2296599A - Hinged plug-cover for containers : en
  • US2296418A - Indicator for finishing-machine screeds : en
  • FR875489A - Azo dyes and process for their manufacture : en fr
  • USD133880S - Design for a doily or : en
  • US2296445A - Thermal responsive switch : en
  • US2296463A - Method of making oil rings : en
  • DE725289C - Process for the preparation of asymmetrical pentacarbocyanines : de en
  • FR875458A - Device for adjusting the natural frequency of oscillating electric circuits : en fr
  • GB548004A - Improvements in or connected with assembly jigs for precision-built structures : en
  • FR875523A - Impeller for hydraulic couplings or transmissions : en fr
  • DE715272C - Device for releasing locked axles on rail vehicles : de en
  • US2296755A - Radio control device : en
  • US2296801A - Bulb neck wiping device for lamps : en
  • US2296811A - Window regulator construction : en
  • US2296460A - Method of forming valve seat inserts : en
  • GB548008A - Improvements in cartons and like containers : en
  • DE725602C - Process for the catalytic pressure hydrogenation of solid organic fuels using mixtures of carbon dioxide and hydrogen : de en
  • FR875463A - Heating device with central heating element and radiant or peripheral circulation : en fr
  • US2296640A - Rotary apparatus for pumping volatile liquids : en
  • DE725504C - Device for conveying workpieces z. B. from chocolate mass : de en
  • US2296665A - Pocket piece : en
  • US2296725A - Refrigerating apparatus : en
  • US2296294A - Capsule stripping apparatus : en
  • GB547979A - Magnetic control vacuum tubes : en
  • FR875413A - Air heating or cooling device, for buildings, by means of attached channels : en fr
  • DE725680C - Propellant gas generator : de en
  • DE725415C - Impeller for impeller turbines : de en
  • GB548012A - Improvements in metal cutting machine tools such as boring and drilling machines : en
  • DE725661C - Fastening of electrical plug contact parts (plug pins and plug shells) with and without connection terminals in layers of insulating material : de en
  • DE725485C - Process for the production of oxidation products from higher molecular paraffin hydrocarbons : de en
  • CA407526A - Colour photography : en fr
  • US2296362A - Signaling system : en
  • US2296426A - Steam generating system : en
  • USD133847S - Design for a chair : en
  • GB548093A - Improvements in or relating to apparatus for training aircraft pilots : en
  • GB548121A - Improvements in or relating to a flashlight synchronising device for photographic shutters : en
  • USRE22183E - Apparatus for recording sound on : en
  • DE725374C - Gutter arrangement and sealing in car bodies made of sheet metal for motor vehicles : de en
  • GB548046A - Improvements in or relating to lint, bandages, gauze, cotton wool and other surgicaldressings and bindings : en
  • DE725526C - Process for the production of steatite-like ceramic products : de en
  • US2296535A - Clutch operating mechanism : en
  • USD133848S - Design for a chair : en
  • US2296309A - Conveying powdered material : en
  • CA407600A - Sulphite process : en fr
  • US2296516A - Briquette press : en
  • US2296694A - Detent : en
  • DE725618C - Process for the production of polarization filter grids, in particular for the purposes of stereoscopic film projection : de en
  • FR875425A - Wrinkle-resistant textiles and method of making them : en fr
  • US2296305A - Manufacture of thin sheets of chemically blown rubber : en
  • US2296332A - Closed piston ring : en
  • DE725527C - Process for the production of aldehydes and ketones : de en
  • USD133826S - Design for a banner or the like : en
  • CA407568A - Floating toilet soap : en fr
  • US2296416A - Building construction : en
  • USD133870S - Design fox a bootlette : en
  • USD133899S - Design fok a head lamp mask : en
  • CA407538A - Coating for magnesium alloy articles : en fr
  • CA407535A - Dextrose production from starch : en fr
  • CA407602A - Can sealing apparatus : en fr
  • DE725578C - Device to prevent the gravel build-up of torsion-resistant damper weirs : de en
  • US2296615A - Abrasive machine of the rotor type : en
  • FR875419A - Method of magnetizing a permanent magnet for a measuring device : en fr
  • GB548111A - Improvements in or relating to shoe upper conforming machines : en
  • DE725446C - Single-acting two-stroke opposed piston internal combustion engine : de en
  • DE725449C - Attachment of bolt-shaped components : de en
  • DE725611C - Process for the production of one-piece tubes from partially hydrochlorinated rubber : de en
  • US2296781A - Method of making plywood tubing : en
  • DE725500C - Baler : de en
  • US2296279A - Beam compass : en
  • CA407505A - Electric discharge device : en fr
  • US2296502A - Method of manufacturing floor mats : en
  • US2296757A - Electrolytically deposited iron : en
  • US2296439A - Clamp applying tool : en
  • US2296283A - Machine for shaping uppers over lasts : en
  • US2296528A - Airplane stall indicating apparatus : en
  • US2296322A - Thermoelectric safety shutoff device : en
  • FR875444A - Heating installation by thermal pump : en fr
  • DE725413C - Sheet feeder : de en
  • DK60167C - Fuel Injection Pump for Internal Combustion Engines. : da en
  • DE725487C - Process for processing the dialysis waste liquor from sulphonic acids of sulphurous mineral or tar oils or their ammonium salts : de en
  • US2296428A - Water protection of pressure governors for pipe lines : en
  • US2296245A - Filing element : en
  • US2296458A - Separation of different melting point materials : en
  • GB548047A - Improvements in radio sockets : en
  • CA407491A - Advertising display device : en fr
  • CA407525A - Sulphonic ester coupler : en fr
  • US2296728A - Target throwing mechanism : en
  • FR875505A - Ultra shortwave tubes : en fr
  • US2296380A - Method of and apparatus for heat treating : en
  • US2296529A - Demountable flower stand : en
  • US2296456A - Separation of different melting point materials : en
  • IE16246L - Chairs, tables, etc. : en
  • FR875415A - Circuit breaker that can be used for different nominal voltages : en fr
  • FR875491A - Jacketed container for transporting liquids : en fr
  • US2296398A - Dagger depressing mechanism : en
  • US2296448A - Combustion regulation : en
  • US2296782A - Panel coupling device : en
  • DE725463C - Arrangement for catalytic wastewater treatment : de en
  • DE725518C - High-frequency amplifier with a discharge tube which has a cathode that emits when heated, at least one control grid, an anode and an auxiliary cathode that emits when bombarded with electrons : de en
  • FR875472A - Clothing : en fr
  • US2296290A - Power transmission mechanism : en
  • US2296357A - Fuel injection pump for internal combustion engines : en
  • US2296438A - Method of activating carbon : en
  • US2296297A - Staple fiber cutter : en
  • IE16574L - Wind turbine. : en
  • FR875495A - Air conditioning installation : en fr
  • DE725639C - Connection pieces for heatable windows, especially for motor vehicles and aircraft : de en
  • DE725672C - Eye protection mask, especially for welders : de en
  • GB547996A - Feeding mechanism for sewing machines : en
  • US2296253A - Staple fiber cutting mechanism : en
  • US2296540A - Fuel metering device : en
  • US2296471A - Bowling alley approach : en
  • DE725494C - Flexible cable, especially for electric lights : de en
  • DE725514C - Toy flying top : de en
  • DE725545C - Arrangement for power transmission between two direct current networks or between a direct current and an alternating current network : de en
  • GB548087A - Improvements relating to internal combustion engines of the single sleeve valve type : en
  • FR875408A - Improvements to electrical measuring devices : en fr
  • US2296274A - Facsimile recorder : en
  • CA407542A - Well treating method : en fr
  • US2296424A - Hood control for motor cars : en
  • GB547980A - Improvements relating to indicating gauges : en
  • US2296374A - Switch : en
  • US2296666A - Folding or collapsible umbrella : en
  • US2296790A - Fuel-cooled internal combustion engine : en
  • USD133837S - Design foe a jewelry pin : en
  • FR875477A - Measuring instrument for bores and threads : en fr
  • US2296494A - Manufacture of anhydrous di-calcium phosphate : en
  • US2296585A - Direction signaling device : en
  • DK60173C - Frame for goods transport bicycles. : da en
  • GR9979B - STEAM THERMOMETER FOR INDIRECT MEASUREMENT OF HIGH TEMPERATURES AND ITS DEVICE FOR USE IN THE AUTOMATIC AIR CONDITIONER APPLIANCE. : el en
  • FR875525A - Mixer regulator : en fr
  • USD133871S - Design for a whistle : en
  • DE725513C - Milling and cleaning machine for shoes : de en
  • DE725590C - Two-part screw cap, in which the thrown part takes the slinging part with it, for automatic and semi-automatic firearms : de en
  • CA407559A - Radio-active isotope production : en fr
  • DE725508C - Airplane with one engine or with multiple engines and one or more propellers : de en
  • FR875460A - lipstick case and method of manufacturing same : en fr
  • FR875418A - Process for obtaining a slag rich in vanadium during the refining of a vanaded iron in a basic converter : en fr
  • US2296549A - Impulse control : en
  • DK60151C - Zipper. : da en
  • GB548001A - Improvements in trenching ploughs : en
  • DE725440C - Removable and adjustable stove insert : de en
  • FR875518A - Advanced pneumatics : en fr
  • USD133855S - Design for a coat lining : en
  • CA407552A - Radio receiver : en fr
  • US2296739A - Gravity chemical clarification system : en
  • DE725554C - Calibrated electron beam tubes for testing or measuring purposes : de en
  • CA407508A - Dynamo-electric machine : en fr
  • CA407516A - Ammonium nitrate explosive composition : en fr
  • US2296724A - Method of making refrigerating apparatus : en
  • GB548079A - Production of artificial silk having a wool-like character : en
  • FR875424A - Device for preventing or eliminating the forces due to icing in overhead power lines : en fr
  • GB547995A - Improved means for securing injured persons to stretchers : en
  • US2296495A - Manufacture of anhydrous monocalcium phosphate : en
  • US2296582A - Pump operating mechanism : en
  • FR875507A - Method for the establishment of demountable constructions : en fr
  • GB548068A - Improvements in or relating to machines for cleaning animal intestines : en
  • US2296671A - Wheel brake structure : en
  • GB547957A - Improvements in feed delivery apparatus for pulverulent material : en
  • FR875479A - Electrically heated ceramic stove : en fr
  • DE725315C - Coil arrangement for producing a variety of inductance values : de en
  • FR875531A - Method and devices for preparing a fuel for supplying combustion engines and other applications : en fr
  • GB548041A - Improvements relating to swim suits : en
  • DE725450C - Feed and clamping device for the material bars on automatic swivel arms : de en
  • DE725497C - Stump cover for artificial thighs with a fabric cover surrounding the leg stump : de en
  • AU289241A - Improvements in and connected with screw fans : en
  • DE725372C - Centrifugal clutch for the automatic connection of the first stage of a gear change transmission with the engine of motor vehicles : de en
  • DE725424C - Device for measuring the length of textile webs : de en
  • US2296730A - Injection molding machine with inclined clamps : en
  • GB548117A - Improvements in lighting fixtures : en
  • US2296761A - Container for medicament substance or the like : en
  • CA407485A - Knife : en fr
  • GB548040A - Improvements in or relating to roof trusses and like constructions : en
  • US2296287A - Electric water light : en
  • US2296676A - Camera shutter and synchronizer testing : en
  • GB548128A - Improvements in or relating to dynamometers : en
  • GB548073A - Improvements in or relating to containers for toilet paper and the like : en
  • DE725439C - Process for the production of stable, neutral solutions of the blood sugar lowering hormone of the pancreatic gland : de en
  • US2296594A - Surgical instrument : en
  • FR875498A - Device for protecting polyphase networks against earthing : en fr
  • DE725564C - Water heating system with a storage tank for the heated service water : de en
  • DE725637C - Self-priming circulation pump : de en
  • DE725456C - Process for preparing dye photographic images : de en
  • DE725579C - Process for the preparation of a calcium compound of formic acid : de en
  • US2296359A - Suction cleaner motor mounting and filter construction : en
  • US2296704A - Temperature regulating system : en
  • GB548069A - Improvements in and relating to air raid shelters : en
  • FR875502A - Garbage box : en fr
  • GB548031A - Improvements in or relating to machines through which paper and like sheets are passed : en
  • USD133858S - Design fob a dress : en
  • DK60175C - Bullet. : da en
  • AU115843B2 - Improvements relating tothe regeneration of ion-exchange plants : en
  • GB548071A - Improvements in or relating to shoe upper conforming machines : en
  • DE725409C - Slide fastener for shoes, gaiters, etc. like : de en
  • GB548048A - Improvements in and relating to the construction of bridges : en
  • GB547978A - Improvements in absorption refrigerating apparatus : en
  • US2296327A - Container : en
  • US2296543A - Deaerator : en
  • DE725649C - Arrangement for uniform cathodic oxidation with glow discharge completely isolated, e.g. B. metal layers acting as a photocathode in television transmitter tubes : de en
  • US2296348A - Propeller pitch control : en
  • US2296647A - Hydraulic pressure booster : en
  • US2296664A - Method of forming packages : en
  • US2296310A - Telephone system : en
  • CA407565A - Offset harrow : en fr
  • DE725443C - Process for the recovery of aluminum from textile fibers and trim materials containing aluminum : de en
  • DK60158C - Shortwave tubes with axially directed connection parts. : da en
  • FR875493A - Process for the manufacture of sound recording tracing chisels : en fr
  • FR875500A - Double control valve for steering brakes : en fr
  • CA407598A - Telephone booth : en fr
  • US2296414A - Storage tank construction : en
  • GB548005A - Improvements in or relating to centrifugal fans : en
  • US2296579A - Glass envelope seal : en
  • AU115864B2 - Improvements inthe propelling mechanism of bicycles : en
  • US2296275A - Caoutchouc regeneration : en
  • DE725568C - Circumferential deflagration chamber housing for generating pressurized gas at low temperatures : de en
  • USD133865S - Design for a printed rug or the like : en
  • DE725423C - Device for crimping fabrics on needles for shrinking on tensioning machines and tensioning wheels : de en
  • DE725481C - Process for leaching vegetable and similar raw materials : de en
  • DE725384C - Process for the sealing impregnation of wide-meshed fabric : de en
  • CA407534A - Capacitor motor starting means : en fr
  • CA407492A - Roof and wall surface : en fr
  • CA407514A - Pigment composition : en fr
  • FR875427A - Device for stabilizing the regulating pendulums : en fr
  • US2296797A - Book construction : en
  • US2296692A - Calculator : en
  • US2296770A - Car truck : en
  • US2296329A - Treatment of yarn : en
  • USD133852S - Design for a coat lining : en
  • DE725516C - Device for time and zone counting : de en
  • FR875423A - Electrical plug that can be switched on and off by a rotary switch or rocker switch provided in the socket : en fr
  • US2296393A - Noise limiter : en
  • US2296632A - Connector : en
  • US2296712A - Laminated product : en
  • US2296590A - Method of widening on flat knitting machines employing auxiliary yarn : en
  • US2296738A - Cooler spacer : en
  • GB547993A - An improved method of producing a jack sinker for straight-bar knitting machines and improved construction of such sinker : en
  • US2296429A - Suction nozzle : en
  • CA407583A - Zirconium oxide preparation : en fr
  • GB547982A - Fluid pressure relay with auxiliary machine : en
  • DE725521C - Discharge vessel with refractory metals arranged inside, which also bind gas at operating temperature : de en
  • US2296451A - Method of construction of chair or stool structures : en
  • US2296248A - Steam trap : en
  • FR875474A - Household fuel : en fr
  • USD133853S - Design for a coat lining : en
  • AU283341A - Improvements in or relating to shoe upper conforming machines : en
  • US2296378A - Production of viscose : en
  • US2296399A - Process of producing polymers : en
  • US2296405A - Production of hydrocarbons : en
  • GB548114A - Improvements in gauges for measuring internal and external angles or working pieces and the like : en
  • GB548024A - Improvements relating to electromagnetic relays : en
  • DE725576C - Device for partially cutting out the main rib of tobacco leaves : de en
  • DE725398C - Fuse for liquid or gas heated burners with an electrically controlled fuel valve : de en
  • DE725596C - Rolling mill for the production of internally profiled hollow work pieces from a ring work piece : de en
  • DE725376C - Bag for handguns : de en
  • DE725433C - Method and device for converting flow energy into electrical energy : de en
  • DE725464C - Flushing system using a flushing valve provided with counter pressure chambers : de en
  • US2296422A - Apparatus for treating metallic oxides : en
  • DE725484C - Process for the production of cerium dioxide : de en
  • US2296752A - Process of manufacturing embossed articles : en
  • US2296408A - Method of impressing designs upon pile fabrics : en
  • US2296522A - Process of reducing metallic oxides : en
  • US2296541A - Pitcher manikin : en
  • US2296363A - Deterioration retarder : en
  • US2296785A - Mouthpiece for sound producing devices : en
  • USD133887S - Design fob an embroidered fabric : en
  • USD133891S - Design for a lace trimming or similar article : en
  • US2296289A - Clutch and transmission operating mechanism : en
  • US2296595A - Tooth powder dispenser and refill : en
  • DE725437C - Flax seedling machine : de en
  • DE725441C - Process for the production of synthetic resin from wood tar : de en
  • US2296421A - Winding apparatus : en
  • DE725248C - Anti-skid for motorcycles : de en
  • DE725539C - Flywheelless dual compound steam air pump : de en
  • US2296441A - Jacob's ladder : en
  • US2296793A - Surgical retractor : en
  • USD133889S - Embroidered trimming or the like : en
  • US2296407A - Electric time switch : en
  • US2296606A - Latch operating mechanism : en
  • DE725552C - Arc converters, in particular Marx converters with electrodes in flowing compressed gas : de en
  • US2296521A - Motor vehicle : en
  • DE725537C - Process for the preparation of p-acylaminobenzenesulfonic acid amide compounds : de en
  • US2296580A - Electronic timing circuit : en
  • USD133829S - Design for a jewelry clip : en
  • USD133861S - Xphotographic m mount or the like : en
  • GB548113A - Improvements in, or relating to, electric furnaces : en
  • FR875486A - Small automatic switch : en fr
  • US2296708A - Circuit interrupting device : en
  • DE725522C - Electric downdraft fan : de en
  • GB548025A - Improvements in machines for the production of multi-ply fabrics : en
  • FR875416A - Improvements to pumps and compressors : en fr
  • DE725364C - Process for preventing blood from clotting in slaughtered animals : de en
  • FR875517A - Wrist whistle : en fr
  • IE16683L - Wind turbine. : en
  • US2296321A - Glass forming apparatus : en
  • DE725593C - Culture process for microorganisms on an intermediate layer supported by a flat carrier : de en
  • DE725629C - Float valve with lever transmission : de en
  • US2296325A - Control for hot water heaters : en
  • US2296530A - Air conditioning system : en
  • DE725548C - Device for the mutual exchange of power between an alternating and a direct current network through contact converters : de en
  • FR875520A - Improvement of the hood attachment clips : en fr
  • US2296368A - Process of separating ores : en
  • USD133866S - Conduit for a conductor system : en
  • GB548009A - Improvements in the electrodeposition of tin-zinc alloys : en
  • GB548020A - Improvements in or relating to the prevention of ice formation on aircraft : en
  • CA407488A - Propeller : en fr
  • DE725524C - Installation on flow production lines for aircraft construction : de en
  • DK60169C - Sleeve pipe connection, in which a gasket is compressed by a gasket by means of tin strips wound on bolts. : da en
  • GB548091A - Improvements connected with steam traps : en
  • US2296772A - Cigarette making device : en
  • US2296308A - Indicator : en
  • DE725640C - Hand operated windscreen wiper : de en
  • GB547983A - Improvements relating to temperature measurement or control of electrically heated salt baths and the like : en
  • DE723724C - Copier : de en
  • DE725626C - Testing device for spark plugs : de en
  • GB547977A - Improvements relating to ventilators or windows or similar closures : en
  • FR875538A - Vegetable product intended to replace fat : en fr
  • DE725411C - Magazine spring for firearms with knee-shaped arranged spring legs that are subjected to bending : de en
  • GB548110A - Improvements in and relating to combined sash lock and lift : en
  • US2296320A - Tool drive : en
  • US2296391A - Suspended furnace wall : en
  • US2296389A - Cardboard box : en
  • US2296700A - Retail marketing device : en
  • US2296331A - Softener for halogen-containing high-molecular weight, organic compounds : en
  • GB547992A - Improvements in bench cramps : en
  • DE722127C - Internal combustion engine : de en
  • DE725587C - Silencer in the form of a high-pass filter : de en
  • US2296285A - Radio azimuth indicator : en
  • DE725549C - Arrangement for three-phase networks consisting of a main and additional transformer : de en
  • US2296800A - Combination tire bagging, curing, and debagging unit : en
  • US2296762A - Process for the production of chlorine and a nitrate from nitrogen peroxide and a chloride : en
  • CA407564A - Oil well packing head : en fr
  • DE725380C - Device for distance measurement according to the echo method : de en
  • US2296558A - Liquid fuel for internal combustion engines : en
  • US2296512A - Process for producing paraffinic oils : en
  • AU282041A - Improvements in and connected with seed sowing devices : en
  • CA407486A - Leather article manufacture : en fr
  • US2296356A - Antenna and coupling means therefor : en
  • FR875417A - Process for obtaining steel of uniform quality in converter refining : en fr
  • GB548102A - An improved method and apparatus for the heat treatment of vulcanisable and other electric insulating materials : en
  • US2296344A - Picture projecting machine : en
  • US2296609A - Building construction : en
  • CA407604A - Textile material : en fr
  • DE725507C - Centrifugal pump without stuffing box : de en
  • CA407544A - Airplane ski trimming lock : en fr
  • GB548059A - Improvements relating to carriages for typewriters : en
  • CA407561A - Signal translating system : en fr
  • DE725434C - Electrical high-voltage discharge vessel for electron-optical imaging by means of at least partially electrostatic lenses, in particular a high-magnification electron microscope (over microscope) : de en
  • CA407471A - Hydrocarbon oil dewaxing process : en fr
  • US2296300A - High speed reclosing mechanism : en
  • DE725532C - Process for the production of butadiene : de en
  • DE725628C - Shut-off device to be arranged in lines for compressed gas, compressed air or liquid : de en
  • FR875492A - Foundation process for piles in rocky terrain that does not allow driving with a bell : en fr
  • CA407608A - Phonographic disc manufacture : en fr
  • AU115857B2 - Improvements in hair waving apparatus and methods of making and using the same : en
  • AU409442A - Improvements insound-absorbing constructions : en
  • GB548129A - Improved means for guiding gauges, mandrels or other parts : en
  • USD133843S - Design for a projector : en
  • CA407494A - Rubber compounding : en fr
  • USD133823S - Design for a teakettle or the like : en
  • USD133864S - Air conditioning control : en
  • US2296706A - Copper-zinc alloy : en
  • CA407543A - Oil well earth formation treatment : en fr
  • CA407582A - Cylindrical stock spine raising machine : en fr
  • GB548130A - Improved sling for carrying a fire extinguisher on the person : en
  • GB547985A - Improvements in or relating to conveyor systems : en
  • US2296459A - Separation of different melting point materials : en
  • US2296699A - Interlocking block : en
  • USD133838S - Design for a jewelry pin : en
  • US2296498A - Manufacture of metal products : en
  • US2296312A - Variable authenticator : en
  • DE725474C - Preparations for washing living hair : de en
  • US2296652A - Ignition timer : en
  • DK60168C - Cooler Caribbean system by Cylinders for air-cooled Internal combustion engines. : da en
  • GB548050A - Improvements in or relating to manufacture of magnesium compounds : en
  • GB547972A - An improved manufacture of lubricating compositions : en
  • GB548075A - Improvements in machines for filling and otherwise preparing envelopes for post : en
  • US2296243A - Double glazed window : en
  • DE725367C - Flash lamp : de en
  • US2296619A - Sprag : en
  • US2296302A - Art of seaming fabrics : en
  • US2296658A - Multistation rivet selector : en
  • US2296482A - Electrode holder : en
  • US2296744A - Apparatus for forming and deodorizing paper plates : en
  • US2296815A - Demonstrating device : en
  • USD133844S - Design for a cap for collapsible tube : en
  • USD133851S - Cutting implement sheath or the like : en
  • US2296754A - Astatic electromagnetic vibration detector : en
  • DE725525C - Process for the manufacture of refractory products which are resistant to temperature changes : de en
  • DE725396C - Electric radiation lamp with a high-pressure mercury tube in the axis of an ultraviolet-permeable envelope flask : de en
  • DE725401C - Dropper bottle : de en
  • FR875454A - Arrangement for rapid transformation of electrical impulses into mechanical movement : en fr
  • GB547975A - Improvements in photographic processing solutions : en
  • DE725643C - Device for turning and simultaneous automatic readjustment of the grinding surface of the grinding wheel to the starting position, especially for twist drill grinding machines : de en
  • GB547988A - Improvements relating to fastening means for securing handles, knobs and other articles to stems or the like : en
  • DE725406C - Centrifugal pump with a housing made of lead : de en
  • GB548081A - Improvements in electric light fittings : en
  • DE725683C - Device for straightening sheet metal container bodies in connection with a welding machine : de en
  • US2296611A - Article handling apparatus : en
  • DE725574C - Ratchet slide for feeding the cartridges of a self-loading weapon : de en
  • DE725517C - Arrangement for the interference-free reception of wireless transmissions : de en
  • DE725651C - Elastic shaft coupling : de en
  • US2296384A - Relay system monitor : en
  • US2296404A - Combination spoon and bottle opener : en
  • DE725664C - Device for the automatic tuning of resonance circuits, in particular those that contain an adjustable earth fault coil : de en
  • FR875471A - Letter with false envelope : en fr
  • GB548039A - Improvements in shell fuzes : en
  • US2296773A - Pocket type atomizer : en
  • US2296600A - Process for breaking petroleum emulsions : en
  • DE725385C - Device for tensioning a plurality of stretches of a washing line : de en
  • FR875509A - Process for the initial ignition of coal dust in a coal dust furnace, in particular in steam boiler installations : en fr
  • GB548089A - Improvements in grab hoists : en
  • DE725531C - Process for the separation of diolefins from mixtures with olefins and acetylenes : de en
  • FR875526A - New lure : en fr
  • GB548017A - Improvements in machines for diamond drilling and like purposes : en
  • AU287641A - Improvements in or relating to suction cleaners : en
  • CA407479A - Golf stroke practising means : en fr
  • GB548061A - Improved process for mothproofing furs : en
  • CA407553A - Tuning device for radio receivers : en fr
  • CA407487A - Billet producing method : en fr
  • CA407585A - Optical surface moulding method : en fr
  • CA407595A - Cathode ray device : en fr
  • DE725580C - Continuously acting absorption refrigeration machine : de en
  • GB548083A - Improvements in and relating to convector electric heaters and to heating units for use therein : en
  • FR875412A - Air heating or cooling device for buildings : en fr
  • DK60159C - Apparatus for Extinguishing and Purifying Burning Residues at Lighthouses. : da en
  • US2296707A - Gauge : en
  • USD133820S - Combined container carrier and display device : en
  • FR875494A - Hydraulic storage brake : en fr
  • DE725659C - Device for transferring pressurized gases or liquid gases : de en
  • CA407521A - Coating apparatus : en fr
  • USD133849S - Design for a chair : en
  • US2296316A - Antishrink treatment for wood : en
  • US2296328A - Absorption of nitrogen peroxide : en
  • DE725416C - Photoelectric triggering device : de en
  • FR875478A - Power plant with hydraulic controls applicable in particular to self-propelled vehicles : en fr
  • CA407520A - Photographic film : en fr
  • US2296477A - Inter-geared means for adjusting plural crank arm lengths in gas meters : en
  • US2296711A - Apparatus for feeding glass to rolling machines : en
  • USD133859S - Design for a flag holder : en
  • AU115838B2 - Improvements in or relating tothe manufacture of cigarettes : en
  • AU115858B2 - Improvements in or relating to Schmidts optical systems comprising a correction element : en
  • US2296343A - Brassiere : en
  • AU115850B2 - Improvements in or relating to shoe upper conforming machines : en
  • CA407536A - Well treating method : en fr
  • CA407574A - Sound recording device : en fr
  • CA407548A - Titanium pigment production : en fr
  • DE725425C - Extraction control for distillation gases that are drawn off from the inside of the charcoal charge of chamber or retort furnaces : de en
  • FR875449A - Optical device for taking and reproducing stereoscopic views : en fr
  • DE725489C - Magnetic field tubes with modulation grid : de en
  • US2296280A - Means of feeding gyratory crushers : en
  • US2296288A - Controllable-pitch propeller : en
  • US2296628A - Arm rest : en
  • DE725501C - Valve-controlled four-stroke internal combustion engine operating at very different speeds : de en
  • US2296493A - Stapling machine : en
  • US2296795A - Nail guard : en
  • USD133818S - Design for a chair : en
  • US2296503A - Preparation of abietic acid : en
  • US2296677A - Cardio-active substances and processes for their production : en
  • US2296417A - Refining mineral oils : en
  • US2296683A - Coil handling apparatus : en
  • US2296766A - Coupling means for coaxial cables : en
  • US2296351A - Fan construction for suction cleaners and the like : en
  • US2296823A - Preparation of unsaturated alcohol esters : en
  • AU115839B2 - Improvements insound-absorbing constructions : en
  • DK60160C - Spring-loaded base. : da en
  • US2296264A - Laundry apparatus : en
  • US2296450A - Vacuum cleaner : en
  • US2296519A - Motor vehicle : en
  • US2296577A - Bottle stopper : en
  • USD133850S - Portable container for liquids : en
  • FR875504A - Frequency meter : en fr
  • GB548133A - Improvements in and relating to vehicle headlamps : en
  • DE725492C - Press mold for the production of runners for electric motors : de en
  • DE725389C - Production of fluorine-free beryllium compounds : de en
  • DK60152C - Process for the Preparation of Substituted Aldehydes of the Nuclear Saturated or Nuclear Saturated Pregan Row. : da en
  • DE725506C - Self-priming centrifugal pump : de en
  • DE725558C - X-ray tube with focusing coil : de en
  • GB548123A - Improvements in electric motor control systems : en
  • CA407475A - Engine rotary valve : en fr
  • DE725460C - Process for the manufacture of shoe soles by gluing together pieces of leather u. like : de en
  • DE725609C - Machine for drying the printed cards made from a cardboard web : de en
  • US2296333A - Sealing ring means : en
  • FR875407A - Method for connecting an electrical connection conductor to an electrode of a barrier film rectifier : en fr
  • US2296645A - Melon aligning and spacing conveyer : en
  • US2296736A - Hinge : en
  • DE725620C - Clamping process for test specimens for simultaneous bending and torsional loading and equipment for its implementation : de en
  • DE725567C - Engine lubrication for two-stroke internal combustion engines with star or fan-shaped cylinder arrangement : de en
  • DE725592C - Material task for air conveyor systems : de en
  • GB548090A - Improvements in or relating to elastic fluid turbines : en
  • US2296688A - Box mill and cutter therefor : en
  • US2296364A - Apparatus for the manufacture of pottery ware : en
  • US2296574A - Stapler : en
  • US2296578A - Cuprammonium-cellulose solution : en
  • US2296597A - Tool holder : en
  • FR875514A - Spun or mixed yarn made from angora wool : en fr
  • USD133831S - Design for an earring : en
  • GB548077A - Improvements relating to water filtering apparatus : en
  • DE725631C - Welding device for large workpieces, such as underframes of railroad cars : de en
  • DE725533C - Manufacture of condensation products : de en
  • GB548120A - Improvements relating to the production of oil-modified phenolic condensation products : en
  • DE725466C - Process for the extraction of protein : de en
  • GB548116A - Improvements in the degreasing of metals and like non-absorbent materials : en
  • FR875511A - Improvements to methods and devices for initiating combustion in internal combustion engines using ignition air : en fr
  • US2296608A - Cutter head for feed grinders : en
  • DE724130C - Device for feeding the sheets separated from a stack to a printing press, folding machine or the like. : de en
  • USD133892S - Design for a dress : en
  • US2296270A - Gear tooth chamfering machine : en
  • FR875485A - machine parts, in particular helical, conical, cylindrical gears or other parts subjected to a rolling operation : en fr
  • GB548051A - Oil seals : en
  • US2296444A - Bottle receiver : en
  • US2296643A - Luminescent lamp : en
  • US2296804A - Embossing sheets of cellulose acetate and the like : en
  • US2296593A - Animal poke : en
  • US2296454A - Circuit connector structure : en
  • FR875452A - Totalizer of kilometers, volume or any other quantity to be measured : en fr
  • US2296526A - Loose leaf binder : en
  • CA407581A - Weldrod coating : en fr
  • US2296388A - Piston : en
  • US2296622A - Tire inflator valve mechanism : en
  • GB548030A - Improvements in and relating to electric circuit interrupting devices : en
  • US2296545A - Furnace : en
  • GB547987A - Improvements in centrifugal switches : en
  • GB548029A - Improvements relating to die-casting machines : en
  • US2296569A - Quick-opening snatch block : en
  • US2296358A - Tent : en
  • USD133890S - Textile fabric or similar article : en
  • GB547981A - Improvements in or relating to looms for weaving : en
  • FR875406A - Adjustment device applicable to motive power installations with fluid-controlled mechanisms : en fr
  • US2296598A - Method for dispensing volatile liquids : en
  • US2296668A - Pulverulent fuel : en
  • FR875503A - Wheel guide for controlled steered wheels of motor vehicles : en fr
  • DE725551C - Method for measuring alternating current or voltage : de en
  • DE725588C - Device for emptying the circuit of a flow coupling : de en
  • DE725377C - Device for triggering a signal or automatic shutdown of gas or liquid quantities : de en
  • DE725610C - Device for punching the grooves in sheet metal strips of electrical machines : de en
  • US2296419A - Traffic guard : en
  • US2296490A - Fruit orienting device : en
  • FR875446A - Process for drying or eliminating liquids of all kinds of materials using ultra-high frequency electric fields : en fr
  • GB548127A - Improvements in electric light fittings : en
  • US2296533A - Flexible plate mounting means for duplicating machines : en
  • US2296637A - High surface hiding pigment material and process of making the same : en
  • FR875536A - Method and means for supplying the hotplates of steam generators : en fr
  • CA407569A - Magnesium alloy bearing : en fr
  • US2296435A - Pressure responsive element of the wafer type : en
  • US2296716A - Colloidal phosphate : en
  • DE725304C - Neutral or Brown tone developer : de en
  • DE725461C - Method and device for the production of foamed slag : de en
  • FR875501A - Process for obtaining hard chromium coatings by electrolysis : en fr
  • GB548032A - Improvements in variable pitch airscrew hubs : en
  • US2296293A - Method of sifting : en
  • DE725390C - Process for obtaining pyridine bases : de en
  • FR875515A - Process for the production of albuminous tannin compositions with astringent action : en fr
  • GB547990A - Improvements in or relating to polarised moving iron indicating or measuring instruments : en
  • US2296587A - Slicing machine : en
  • GB548018A - Improvements in or relating to liquid cooling radiators : en
  • DE724929C - Process for the wet, alkaline digestion of bauxite : de en
  • DE725601C - Process for the production of low-boiling hydrocarbon oils from higher-boiling ones by splitting pressure hydrogenation and splitting : de en
  • FR875519A - Balloon air chamber : en fr
  • CA407607A - Carbon pack for manifolding typewriters : en fr
  • US2296753A - Equalizing guide roll : en
  • US2296479A - Machine for inserting spacers between the plates of storage batteries : en
  • US2296623A - Game : en
  • USD133828S - Design fob, a tkaction splint : en
  • US2296485A - Common means for adjusting plural : en
  • CA407550A - Self-locking nut : en fr
  • DE725540C - Device for eliminating passport differences : de en
  • GB548101A - Improved means for cooling the valves of internal combustion engines : en
  • FR875428A - Electric oven with forced air circulation : en fr
  • DE725544C - Automatic switch with locking by a fusible link : de en
  • US2296268A - Charging device for internal combustion engines : en
  • FR875537A - Improvement in hydropneumatic pressure accumulators : en fr
  • FR875451A - Combined current and voltage transformer : en fr
  • USRE22179E - Protective- relaying equipment : en
  • FR875404A - Goniometric device comprising two identical directed antenna systems, arranged perpendicular to each other : en fr
  • US2296257A - Apparatus for washing fabrics or the like : en
  • DE725586C - Eligible nickel alloys : de en
  • US2296261A - Laundry apparatus : en
  • US2296803A - Rim protector : en
  • US2296239A - Electric process for desalting mineral oil : en
  • US2296267A - Laundry apparatus : en
  • DE725543C - Installation circuit breaker : de en
  • US2296271A - Process of color forming development and photographic compositions containing color forming compounds : en
  • US2296317A - Welding device : en
  • US2296323A - Bracket for swinging rods : en
  • US2296436A - System for transmitting angular motion : en
  • US2296491A - Measuring chamber for metering fluids : en
  • DK60164C - Button. : da en
  • US2296747A - Explosionproof storage battery : en
  • US2296425A - Article handling apparatus : en
  • US2296818A - Rock drill : en
  • USD133860S - Design for a dress : en
  • US2296346A - Electrical terminal : en
  • US2296350A - Wind funnel : en
  • DE725382C - Collapsible box : de en
  • DE725557C - X-ray tube with focusing coil : de en
  • US2296732A - Fluid valve : en
  • DE725483C - Process and device for compressing water vapor-saturated gases for chemical plants : de en
  • DE725566C - Pest repellants : de en
  • DE725630C - Infeed device, especially on helical roll straightening machines : de en
  • GB548003A - Improvements in or relating to kinematograph projectors : en
  • GB548112A - Improvements in or relating to the production of artificial filaments : en
  • US2296354A - Fireplace : en
  • US2296409A - Measuring apparatus : en
  • US2296242A - Firearm : en
  • US2296476A - Apparatus for metering gas : en
  • US2296589A - Fluorescent paint : en
  • US2296821A - Multistage well pump : en
  • US2296406A - Method of preparing catalyst : en
  • US2296278A - Calculating machine : en
  • CA407515A - Ammonium nitrate explosive composition : en fr
  • DK60161C - Holder for eating utensils. : da en
  • FR875532A - Improvements to electronic transit time multipliers : en fr
  • GB548092A - Improvements relating to the reduction of sparking at contacts in making and breaking an electric circuit : en
  • US2296255A - Industrial furnace and firing apparatus : en
  • USD133896S - Design for a dress : en
  • CA407477A - Hose decorating apparatus : en fr
  • CA407504A - Television receiver background control : en fr
  • DE725673C - Insert body for dropper bottles : de en
  • CA407539A - Well treating method : en fr
  • US2296768A - Rotary engine : en
  • US2296591A - Thermostatically controlled electric iron : en
  • USD133832S - Design for an earring : en
  • CA407519A - Disengaging mechanism for spring motor drives : en fr
  • DE725383C - Drive of a continuously revolving conveyor belt for oven trays for receiving the pieces of dough deposited by a depositing tongue of a cutting band : de en
  • US2296690A - Abrasive scouring powder : en
  • USD133881S - Pencil or similar article : en
  • DE725452C - Hydraulic fluid drive for drawing machines with a long stroke : de en
  • US2296539A - Embalming process : en
  • US2296281A - Method for feeding gyratory crushers : en
  • DE725414C - Y-pipe piece for pneumatic tube systems : de en
  • US2296566A - Filter : en
  • GB547991A - Improvements in or relating to apparatus for the detection of cracks in ferrous metals by magnetic means : en
  • FR875484A - Process for heat treating hardenable aluminum alloys to achieve greater hardness and higher volume and shape stability : en fr
  • GB548033A - Process for the after-treatment of oxidised aluminium and alloys thereof : en
  • US2296443A - Wire connector : en
  • US2296808A - Reinforced molded fiber container : en
  • US2296524A - Treatment of flax straw : en
  • US2296613A - Voting machine : en
  • CA407530A - Negative resistance circuit arrangement : en fr
  • AU115831B2 - Improvements in or relating to suction cleaners : en
  • US2296679A - Service drop insulator : en
  • USD133883S - Design fob a menu cover : en
  • US2296319A - Oscillating device : en
  • US2296705A - Drill attachment : en
  • AU281941A - Improved propeller : en
  • DE725503C - Frame mold for the production of chocolate goods : de en
  • AU115844B2 - A method of treating water forthe purpose of removing electrolytes therefrom : en
  • AU115859B2 - Improvements in or relating to the manufacture of hypochlorous acid : en
  • CA407501A - Tractor hitch : en fr
  • CA407507A - Transformer : en fr
  • US2296254A - Steam generator : en
  • US2296492A - Leakproof check or pump valve : en
  • US2296265A - Laundry apparatus : en
  • US2296735A - Framing means : en
  • US2296780A - Wringer release : en
  • GB548053A - Improvements in or relating to the finishing of moired fabrics : en
  • US2296644A - Crankshaft oiling system : en
  • USD133884S - Design fob a textile fabric : en
  • US2296484A - Protective appliance for hair driers : en
  • DE725624C - Battery ignition system : de en
  • US2296718A - Mixing nozzle : en
  • CA407558A - Radio-active isotope production : en fr
  • US2296370A - Alkylation process : en
  • US2296396A - Joining magnesium members : en
  • US2296560A - Bell and spigot asphalt steel core pipe : en
  • USRE22180E - Well device : en
  • US2296682A - Screw fan : en
  • US2296819A - Rock drill : en
  • US2296816A - Rock drill : en
  • DE725475C - Ten circuit for calculating machines : de en
  • DK60172C - Ventilation device at the Engine compartment in streamlined Motor Vehicles with air-cooled Rear Engine. : da en
  • FR875422A - Windscreen wiper defroster : en fr
  • FR875543A - Improvements to junction and end sleeves for metal cables : en fr
  • GB548023A - Production of aqueous emulsions of bituminous and like materials : en
  • DE725438C - Drum vibrating machine : de en
  • US2296740A - Double-v belt : en
  • US2296775A - Respirator frame : en
  • AU386941A - Improvements in or relating tothe manufacture of cigarettes : en
  • DE725482C - Circumferential container for extracting solid matter : de en
  • US2296701A - Gas turbine : en
  • US2296719A - Circuit control apparatus : en
  • GB547974A - Improvements in and relating to pneumatic lifting devices : en
  • GB548125A - Improvements relating to the use of heavy oil fuels in internal combustion engines : en
  • US2296562A - Concrete product mold : en
  • US2296573A - Mounting and drive means for milling attachments : en
  • US2296675A - Hand brake lever : en
  • US2296629A - Foot scraper : en
  • CA407502A - Draft attachment for railway cars : en fr
  • US2296720A - Sash and store front construction : en
  • US2296469A - Trunk piston : en
  • US2296544A - Method for the maintenance of the quality of infertile eggs when subjected to heat : en
  • US2296667A - Stop light circuit for automobiles : en
  • US2296610A - Lift truck : en
  • DE725515C - Process for the treatment of dried briquetting lignite in closed containers before pressing : de en
  • FR875487A - element such as sole or heel for shoe : en fr
  • FR875533A - Quick-connect coupling sleeve : en fr
  • US2296624A - Collapsible garment hanger : en
  • US2296531A - Measuring instrument : en
  • US2296727A - Deflecting output circuits for cathode ray tubes : en
  • US2296402A - Attrition mill : en
  • US2296691A - Apparatus for use in the tempering of glass sheets : en
  • US2296807A - Marshall spring unit : en
  • USD133862S - Design for a chicken feeder : en
  • US2296523A - Process for the biological and simultaneous purification of waste liquors and their slimes : en
  • US2296607A - Infusion apparatus, especially adapted for brewing coffee : en
  • US2296653A - Housing for fuse devices : en
  • US2296584A - Growth promoting media : en
  • US2296603A - Outdoor furniture : en
  • USD133879S - Design for a doily ob similar article : en
  • US2296395A - Process for cracking carbonaceous materials : en
  • USRE22182E - Row crop harvesting implement : en
  • CA407549A - Titanium pigment production : en fr
  • AU115856B2 - Improvements in electric switches : en
  • DE725412C - Device for sighting devices to drop bombs on inclined flight : de en
  • DE725655C - Culture carrier for breeding surface-forming microorganisms, especially for biological fat and protein extraction : de en
  • DE725509C - Heating device for introducing loads into aircraft : de en
  • FR875534A - straw elevator or the like : en fr
  • DE725635C - Multi-stage centrifugal pump with at least one inner bearing installed between two impellers : de en
  • FR875496A - Liquid separator : en fr
  • GB548034A - Improvements in and connected with electric switches of the ceiling or pull-operated type : en
  • CA407537A - Well treating method : en fr
  • CA407566A - Power lift : en fr
  • DE725491C - Fuse : de en
  • DE725561C - Disinfection cabinet : de en
  • US2296670A - Photoelectric cell : en
  • AU115837B2 - Self-closing gate or barrier : en
  • AU115845B2 - Improvements in beam grid structures : en
  • US2296659A - Method and equipment for moving drilling rigs : en
  • DE725542C - Electric motor-operated door locking device, especially for electric vehicles : de en
  • CA407509A - Television receiver : en fr
  • CA407489A - Bumper guard : en fr
  • US2296567A - Cable clamp : en
  • US2296669A - Power transmission : en
  • GB548010A - Improvements in pipe couplings : en
  • CA407483A - Automobile jack : en fr
  • FR875410A - Motor vehicle comprising a device allowing it to be lifted and turned in place : en fr
  • CA407571A - Metal coating : en fr
  • GB547956A - Improvements in or relating to universal joints : en
  • GB548028A - Improvements in or relating to shock absorbers : en
  • CA407500A - Dispensing apparatus : en fr
  • GB548056A - Improvements relating to tap or die holders for use in screw-threading operations : en
  • FR875441A - Device for preventing inadvertent modification of the depth stop setting of a rotating tool : en fr
  • GR9981B - HOW TO PROCESS WOODEN COAT SHOES ON DIFFERENT COLORED COLORS AND DESIGNS AND VARIOUS IMITATIONS. : el en
  • CA407472A - Window screen : en fr
  • CA407545A - Airplane ski trimming lock : en fr
  • CA407499A - Transmitter head set : en fr
  • US2296339A - Automatic doffing apparatus : en
  • US2296509A - Sewing machine hemmer : en
  • US2296787A - Submarine raising apparatus : en
  • DE725428C - Magnetic tube transmitter for a larger frequency range : de en
  • FR875481A - Large construction stone that can be grasped by one hand : en fr
  • GB548016A - Improvements in or relating to fittings for bedsteads and other like articles of furniture : en
  • DE725502C - Dipping device for sterilizing fish fillets : de en
  • GB548109A - Improvements in and relating to multiple brake electric switching devices : en
  • FR875475A - Process for the manufacture of tetrahydrofuran derivatives : en fr
  • DE725634C - Device for maintaining constant the speed of webs to be rolled up or over, in particular paper webs : de en
  • FR875468A - Improvements made to seed drills : en fr
  • GB548038A - An improved manufacture of lubricating oil compositions : en
  • US2296238A - Carbureted emissive electrode : en
  • FR875453A - Lubricating products and hydrocarbon emulsions : en fr
  • FR875483A - Use of aluminum alloys with added zinc for internal combustion engine pistons : en fr
  • US2296765A - Stereoscopic display device : en
  • DE725676C - Oven for cooling and expansion of glass products in continuous operation : de en
  • FR875439A - Process and apparatus for the preparatory treatment of skins produced in slaughterhouses : en fr
  • FR875482A - Use of stable volume aluminum alloys for pistons and bearings : en fr
  • US2296634A - Eyeshield : en
  • USD133822S - Design for an eyeglass frame : en
  • FR875535A - Brake improvements : en fr
  • US2296553A - Liner for cement and concrete forms : en
  • GB548044A - Variable speed transmission mechanism : en
  • US2296709A - Oxidation product of alpha-tocopherol and process of preparing the same : en
  • DE725459C - Hydraulic power transmission device, especially for vehicle brakes : de en
  • AU281341A - Improvements in beam grid structures : en
  • CA407529A - Electrical filter : en fr
  • DE725417C - Straw feeding device on reciprocating piston presses : de en
  • DE725511C - Pull cork : de en
  • DE725490C - Magnetic field tube with divided anode : de en
  • AU369441A - Improvements in or relating to Schmidts optical systems comprising a correction element : en
  • US2296480A - Attachment for hand cutting torches : en
  • DE725343C - Process for making non-aging oxide rectifiers and the like like : de en
  • US2296729A - Cartridge magazine for firearms : en
  • US2296783A - Bag stringing machine : en
  • US2296411A - Fluid pressure indicator : en
  • US2296559A - Spring edge mattress or cushion : en
  • US2296432A - Highway guard : en
  • US2296743A - Method for manufacturing axle housings : en
  • DE725652C - Schlaegerkopf for Schlaegermuehlen : de en
  • GB548084A - Improvements in stretchers, beds and the like : en
  • US2296616A - Electrolytic process of making photosensitive mosaic screens : en
  • US2296383A - Method of dispersing hydrophilic pigments : en
  • US2296284A - Method for preparing material having the physiological activity of the corpus luteumhormone : en
  • GB548036A - Improvements in and relating to cannulae for hypodermic needles : en
  • DE725454C - Process for the production of pralines with cream, nougat or jelly filling : de en
  • GR9980B - METHOD OF REFINANCE OF LIGNITES AND IN GENERAL CARBONS OF ALL NATURE BY THE REMOVAL OF ASH COMPONENTS AND WHEATS AS WELL AS GENERATORS. : el en
  • DE725657C - Comb-like cleaning device for gap filter bodies : de en
  • US2296581A - Apparatus for mixing and blending materials, some of which are in a finely divided state : en
  • US2296756A - Load transfer device : en
  • DE725563C - Fruit press whose housing and conical screw press made of porcelain, glass or the like : de en
  • DE725571C - Machine for filling hollow bodies, especially those made of chocolate, with holders for two-part molds : de en
  • DE725555C - Focusing device for X-ray tubes : de en
  • US2296554A - Self-timing piston electric engine : en
  • US2296592A - Infant's folding combination bath stand and dressing table : en
  • US2296674A - Support for cameras or the like : en
  • US2296547A - Footwear : en
  • US2296381A - Control switch : en
  • US2296774A - Gas lighter for range oil burners : en
  • US2296415A - Handle attachment means for baby walkers : en
  • US2296713A - Water treating apparatus : en
  • US2296501A - Cultivator appliance for tractors : en
  • USD133830S - Design for an earring : en
  • US2296340A - Safety control apparatus for gaseous fuel burners : en
  • IE18083L - Silicon rectifiying elements : en
  • US2296413A - Housing unit : en
  • US2296247A - Liquid flow control : en
  • US2296277A - Printing machine : en
  • US2296657A - Surface testing apparatus : en
  • USD133819S - Design for a dance slipper : en
  • FR875521A - Clutch device for all applications : en fr
  • GB548060A - New monoazo red acid dyes : en
  • AU115861B2 - Improvements in and relating to circuit breaking mechanism : en
  • GB548124A - Improvements relating to the manufacture of sheathed cores of pulverulent or powdered or comminuted material : en
  • FR875508A - Method and device for coating surfaces with polycondensation products : en fr
  • GB548064A - Improvements in or relating to gear pumps : en
  • CA407513A - Chalk resistant titanium pigment : en fr
  • CA407575A - Shoe form self-adjusting heel piece : en fr
  • GB548026A - Improvements in or relating to means for introducing air into domestic fire places : en
  • FR875512A - Process for the improvement of regenerated cellulose tissue : en fr
  • DE725582C - Automatic switching device for adapting the reactive power supply to the reactive power consumption in AC networks with the help of capacitors : de en
  • FR875466A - Process for increasing the reactive power of wood cellulose : en fr
  • GB548000A - Concentrated photographic fixing and acid hardening baths : en
  • GB548027A - An improved method of manufacturing sheets or panels of transparent material with embedded layers of opaque or semi-opaque material : en
  • US2296799A - Calculating device : en
  • DE725447C - Equal pressure accumulator for fuel injection devices : de en
  • DE725594C - Device for lifting the blanks to be rolled in fine and medium sheet rolling mills : de en
  • DE725638C - Concealed door hinge for streamlined vehicles : de en
  • DE725622C - Snap-off coupling : de en
  • DE725455C - Treatment bath for the production of colored images from uniformly colored photographic silver images by local destruction of the dye at the silver areas : de en
  • FR875461A - Method and device for the separation and accumulation as well as the possible transformation of the constituents of gas mixtures : en fr
  • GB548080A - Improvements in ventilators : en
  • US2296446A - Vacuum cleaner : en
  • DE725392C - Impeller for radial pressurized centrifugal machines, especially steam or gas turbines : de en
  • DE725395C - Full-turn rotating anode tube : de en
  • CA407497A - Suckling animal feeding system : en fr
  • CA407541A - Well treating method : en fr
  • US2296561A - Method for making composite pipe structures : en
  • US2296760A - Step-by-step switch : en
  • DK60156C - Power switch for large currents. : da en
  • DE725553C - Process for the production of an electrode system for electrical discharge tubes : de en
  • GB548100A - Improvements relating to liquid-fuel injection systems for internal combustion engines : en
  • DE725431C - Cable system, which contains both D.M. fours and star fours : de en
  • USD133882S - Design for a mitten : en
  • US2296568A - Control system : en
  • US2296367A - Vehicle signal : en
  • CA407580A - Work performing tool feeding mechanism : en fr
  • GB548085A - Improvements in coated metal wires : en
  • DE725556C - X-ray tube with focusing coil : de en
  • DE725546C - Mechanical contact converter : de en
  • AU115863B2 - Improvements in and connected with screw fans : en
  • CA407532A - Titanium dioxide composite pigment : en fr
  • US2296537A - Window screen hanger set : en
  • USD133841S - Design fob a pneumatic drill unit : en
  • DE725419C - Dough sheet or dough forming roller : de en
  • US2296794A - Process of treating vegetable oils : en
  • GB548104A - Improvements in the bottle pasteurisation of milk : en
  • US2296387A - Apparatus for heat treating : en
  • CA407496A - Ophthalmic mounting : en fr
  • DE725323C - Device for lateral control of a length of fabric : de en
  • DE725538C - Sealing steam control for the stuffing boxes of steam turbines : de en
  • DE725429C - Ultra-short wave arrangement with a tube within a cavity transducer : de en
  • DE725445C - Two-stroke internal combustion engine : de en
  • US2296741A - Air conditioning apparatus : en
  • CA407572A - Foam-delivering apparatus : en fr
  • US2296681A - Multiple rear axle assembly : en
  • US2296470A - Rivet assembly : en
  • CA407573A - Metal values recovery : en fr
  • DE725381C - Device for producing profiled small parts, e.g. B. drive wheels for toy drives : de en
  • US2296642A - Power transmission : en
  • US2296660A - Ice creeper : en
  • US2296552A - Heating stove and the like : en
  • DE725627C - Push wire deflection for remote controls or the like. : de en
  • US2296304A - Refrigerating apparatus : en
  • US2296764A - Magnetic flux regulator : en
  • US2296733A - Gun sling : en
  • FR875549A - Gasifier : en fr
  • US2296748A - Cylinder and jacket construction for engines : en
  • US2296763A - Process for the production of chlorine and metal nitrate : en
  • US2296517A - Trimming machine : en
  • CA407567A - Vehicle wheel : en fr
  • CA407576A - Hydraulic disruption of solids : en fr
  • DE725421C - Iron pit stamp : de en
  • GB547994A - Improvements in the manufacture of laboratory and like glassware : en
  • GB548103A - Improvements in gas blast electric circuit breakers : en
  • CA407481A - Oscillating chair : en fr
  • US2296412A - Halomethyl aliphatic amino compounds and processes of making them : en
  • US2296295A - Molding method and apparatus : en
  • FR875542A - Advanced thimble for aluminum cable : en fr
  • US2296557A - Suppository : en
  • US2296673A - Brake mechanism : en
  • US2296556A - Mailing package : en
  • US2296784A - Phase-sequence relaying : en
  • US2296759A - Switchboard cord bag : en
  • CA407510A - Titanium pigment : en fr
  • CA407594A - Blank moulding method : en fr
  • US2296263A - Cleaning apparatus : en
  • US2296814A - Clothes sprinkler : en
  • GB548022A - Improvements in or relating to movement multiplying mechanism, more particularly for dial type measuring instruments : en
  • CA407603A - Direction signal : en fr
  • AU309441A - Improvements in electric switches : en
  • US2296786A - Mouthpiece for sound-producing devices : en
  • US2296311A - Parking signal : en
  • DE725498C - Chimney made of mantle and lining : de en
  • AU312441A - Improvements in hair waving apparatus and methods of making and using the same : en
  • FR875488A - Single or double constant velocity joint for angular or misaligned transmissions and suspension joints : en fr
  • US2296601A - Cracking and reforming system : en
  • USD133824S - Design for an egg dyeing apparatus : en
  • US2296505A - Cement mixer and regulator : en
  • US2296726A - Railway journal mounting : en
  • GB548054A - Coin receiver for prepayment distributing apparatus : en
  • DE725486C - Process for the preparation of aliphatic dicarboxylic acids : de en
  • DE725584C - Electrically heated furnace for annealing and other metallurgical purposes, which can be operated with different heating levels : de en
  • US2296555A - Process for the production of synthetic polyamides : en
  • USD133863S - Design for a set of game pieces : en
  • US2296534A - Refrigeration control system : en
  • US2296403A - Polymerization of water insoluble organic compounds dispersed in an aqueous vehicles : en
  • GB548078A - Improvements in or relating to cabinet washing and wringing equipment : en
  • US2296240A - Chain saw : en
  • US2296349A - Method of and apparatus for supplying gas : en
  • US2296497A - Pay roll record : en
  • FR875437A - Gaskets for strips : en fr
  • FR875548A - New packaging for bottles : en fr
  • US2296504A - Blasting plug : en
  • US2296614A - Liquid phase halo-substitution of partially halogenated unsaturated organic compounds : en
  • USD133886S - Design fob an embroidered lace trimming : en
  • DE725430C - Send / Receive switch : de en
  • FR875433A - Washing and bleaching products : en fr
  • DE724933C - Device for therapeutic treatment by means of X-rays, in which a dose meter based on the ionization principle, designed as a small chamber, rests on the inner wall of the bottom of a compression tube : de en
  • GB548063A - Improvements in electrical tuning units : en
  • US2296337A - Coating composition : en
  • US2296596A - Framing : en
  • US2296474A - Device for spreading fertilizer : en
  • GB548131A - Improvements in drying apparatus with heat-recuperation : en
  • DE725370C - Upstream selector for groups of bombs or individual bombs in drop devices : de en
  • US2296433A - Corrosion inhibitor : en
  • DE725426C - Steep index with swiveling support and partition walls for the card packages : de en
  • US2296646A - Throttle control : en
  • US2296612A - Flame hardening head : en
  • DE724735C - Charger : de en
  • DE725453C - Centrifugal dust separator : de en
  • US2296693A - Header mechanism : en
  • DE725570C - Device for the sterilization of milk and other organic liquids : de en
  • DE725625C - Protective cap for spark plugs : de en
  • DE725470C - Electrical cable system : de en
  • DE725575C - Cleaning device for the top rollers of draw frames, flyers and ring spinning machines : de en
  • GB548082A - Improvements in and relating to ash removal mechanism for gas producers : en
  • GB548098A - Improvements in photographic focal plane shutters : en
  • US2296379A - Textile material : en
  • US2296423A - Process for recovering iron and aluminum compounds : en
  • GB548099A - Improvements in or relating to retractable tail wheels for aircraft : en
  • DE725386C - Device for self-adhesive sticking in particular of rough fabric samples on cards : de en
  • DE725476C - Photographic camera with range finder : de en
  • US2296820A - Measuring apparatus : en
  • US2296742A - Method for production of glue for veneers and plywood : en
  • DE725670C - Multiple flashlight : de en
  • US2296542A - Spindle packing for meters and the like : en
  • US2296324A - Gaseous discharge device : en
  • FR875429A - Improvements to photographic enlargers : en fr
  • DK60166C - Apparatus for measuring plastic substances, in particular edible fats. : da en
  • DK60163C - Cash register or Accounting machine with flat Keyboard and with Amount Imprint in Columns. : da en
  • US2296251A - Aircraft with sustaining rotors : en
  • US2296621A - Lightning arrester : en
  • US2296511A - Process for producing paraffinic oils : en
  • US2296472A - Duplicating apparatus : en
  • US2296602A - Mirror and method for making the same : en
  • US2296292A - Combined exposure meter and range finder : en
  • US2296473A - Godet arrangement : en
  • US2296291A - Water soluble derivative of vitamin d : en
  • FR875550A - wet scrubber for gasifier or other gas : en fr
  • DE725322C - Process to prevent corrosion and the formation of deposits in water-carrying cooling and heating systems with insignificant evaporation : de en
  • DE725394C - Contact cap for attachment to the insulating bodies of fuses : de en
  • DE725480C - Brush : de en
  • DE725583C - Oscillograph : de en
  • FR875467A - Dimensional finishing or reduction rolling mill : en fr
  • DE725679C - Emergency lubrication device for the connecting rod bearings of internal combustion engines with a vertical crankshaft : de en
  • GB547973A - An improved manufacture of lubricating oil compositions : en
  • US2296750A - Safety revaporizer for liquefied gas systems : en
  • US2296377A - Therapeutic compound : en
  • US2296649A - Lubricated valve structure : en
  • CA407540A - Well cementing method : en fr
  • CA407610A - Gelatine and glue treating process : en fr
  • US2296583A - Life preserver-jacket or vest type : en
  • CA407605A - Textile machinery : en fr
  • US2296527A - Combined strainer and drain valve structure : en
  • US2296792A - Automatic air control : en
  • USD133874S - Design for a hat : en
  • US2296778A - Battery assembly : en
  • US2296663A - Thimble tape presser and cutter : en
  • US2296318A - Electrically fired borehole gun : en
  • CA407556A - Steering gear for vehicles : en fr
  • DE725597C - Portfolio, loose-leaf binder or the like with folded back and hook-shaped rail for hanging the portfolio : de en
  • DE725663C - Air protection lighting of switchgear or the like. : de en
  • USD133897S - Antitheft wheel attachment or similar article : en
  • FR875438A - Apparatus for turning the shells of tin cans on their way from one workstation to another : en fr
  • US2296496A - Oxygen administering apparatus : en
  • FR875469A - Tube lamp for optics : en fr
  • FR875440A - Method and device for printing drawings : en fr
  • US2296604A - Wrench : en
  • CA407609A - Push-type centrifugal separator : en fr
  • DE725621C - Arrangement of conveyor and cleaning blowers : de en
  • FR875409A - Magnetic binding device : en fr
  • DE725530C - Process for the preparation of unsaturated compounds : de en
  • DE725660C - Space heating with a combustion turbine system that is used in particular to drive rail vehicles : de en
  • CA407563A - Non-drag brake lever : en fr
  • GB548011A - Improvements in or relating to shock absorbers : en
  • US2296269A - Photoelectric electronic tube : en
  • GB548049A - Improvements in or relating to heating apparatus primarily for vehicles : en
  • DE725479C - Laundry or similar kettle with side vent for the fire gases : de en
  • DK60165C - Core or Butter Peas. : da en
  • GB548042A - Improvements in, or relating to, electric supply arrangements for electric welding machines : en
  • US2296390A - Process furnace : en
  • DK60155C - Electrical Signaling Cable. : da en
  • FR875405A - Device for releasing headstocks, tailstock and headstock sleeves or similar parts of machine tools : en fr
  • GB548052A - Improvements in or relating to the manufacture of springs : en
  • DE725512C - Door handle with return spring arranged in the rosette : de en
  • US2296635A - Ventilator : en
  • DE725669C - Feed gear for arc lamp electrodes : de en
  • FR875402A - Process for the animalization of articles made of synthetic yarns : en fr
  • DE725448C - Gas generating plant for gas machines : de en
  • GB548045A - Improvements in or relating to reduction gearing for aircraft propellers : en
  • DE725529C - Process for the production of styrene : de en
  • US2296282A - Clutch control mechanism : en
  • DE725462C - Process for the manufacture of lining for furnaces, in particular cement furnaces : de en
  • DE725595C - Device for extrusion of metal profiles that are narrowed in the longitudinal direction : de en
  • DK60162C - Device for heat consumption meters. : da en
  • DE725600C - Process for the catalytic pressure hydrogenation of high-boiling liquid or fusible hydrocarbon oils containing asphalt and / or resins : de en
  • FR875490A - Motor vehicle fitted with a body in the form of a body : en fr
  • DE725432C - Push-button overcurrent switches, especially circuit breakers : de en
  • FR875522A - Fluid circulation hydraulic coupling : en fr
  • GB548007A - Improvements in and relating to rendering materials antiseptic, germicidal, hygienic or the like : en
  • GB548115A - Improvements in or relating to spring-loaded safety valves : en
  • GB548013A - Improvements in and relating to microphone devices : en
  • DE725591C - Seiger conveyor, especially for underground operation, in the form of a bucket elevator with unloading in an inclined section : de en
  • DE725665C - Armature for small magneto-electric machines : de en
  • US2296685A - Method of manufacturing multiple boxes : en
  • USD133893S - Design for a dress : en
  • FR875499A - Improvements to electric oscillation generators : en fr
  • GB548122A - Gaseous glow discharge devices : en
  • FR875506A - Methods of securing bodies of any shape and composition in molded material sockets : en fr
  • US2296249A - Polymers of formaldehyde : en
  • USD133846S - Design for a chair : en
  • US2296338A - Safety helmet : en
  • DE725648C - Drying system with several treatment rooms : de en
  • CA407560A - Periodic saw-tooth wave repeater : en fr
  • US2296366A - Borehole tool : en
  • FR875431A - Relay device for electric calculating and accounting machines : en fr
  • CA407587A - Plastic material moulding method and apparatus : en fr
  • US2296464A - Rubber substitute and method of manufacturing same : en
  • DE725467C - Unheated superheated superheater with feed water flowing through it, arranged between two tube groups of a superheater : de en
  • US2296256A - Industrial furnace and firing apparatus : en
  • US2296427A - Process of producing aqueous dispersions of polyisobutylene : en
  • USD133898S - Design for a dress : en
  • US2296466A - Method of determining driven friction pile capacities : en
  • CA407555A - Rotary snubber : en fr
  • US2296352A - Concrete form : en
  • US2296452A - High frequency coil : en
  • US2296341A - Sanitary napkin : en
  • US2296431A - Electromagnetic relay structure : en
  • USD133877S - Design for wrapping paper : en
  • US2296440A - Pot furnace for heat treating metal : en
  • CA407480A - Egg case assembly : en fr
  • AU115830B2 - Improvement in carrier-signal frequency detector system : en
  • US2296246A - Vending machine : en
  • US2296372A - Manufacture of belting and like products : en
  • US2296633A - Headlight connector : en
  • US2296286A - Electrical control apparatus : en
  • US2296397A - Well tool : en
  • US2296420A - Yarn package : en
  • CA407498A - Transmitter cell : en fr
  • US2296306A - Nondiffusing metallic salt coupler compound : en
  • CA407527A - Colour photography : en fr
  • US2296259A - Laundry apparatus : en
  • US2296631A - Headlight connector : en
  • DE725407C - Device for the electrical display of the pitch of the pitch propellers : de en
  • AU115835B2 - Improved gas compressor : en
  • CA407524A - Simultaneous bleaching and fixing bath : en fr
  • US2296250A - Aircraft with sustaining rotors : en
  • US2296315A - Lubricating composition : en
  • USD133873S - Design for a jabot : en
  • AU287541A - Improvements inthe propelling mechanism of bicycles : en
  • US2296655A - Photographic system and apparatus : en
  • US2296776A - Alternating current motor : en
  • CA407557A - Shock absorbing steering gear : en fr
  • USD133895S - Design for a dress : en
  • DE725615C - Method and arrangement for measuring phase shifts in mechanical vibrations : de en
  • FR875401A - Metal wire enamelling process : en fr
  • FR875464A - Improvement in taps and valves : en fr
  • US2296353A - Signal system : en
  • GB548094A - Improvements in and relating to polyvinyl halide compositions : en
  • US2296342A - Stable breaking-in oil : en
  • US2296751A - Drive for turntables : en
  • US2296662A - Winding spindle : en
  • CA407473A - Magnesium and magnesium alloys protection : en fr
  • US2296455A - Pencil or crayon : en
  • DE725519C - Test arrangement for relays with normally open contacts using a seconds meter with dome magnet : de en
  • FR875430A - Method and device for the extraction of valuable organic substances contained in bones : en fr
  • GB547958A - Improvements in and relating to electromagnetic thickness gauges : en
  • US2296410A - Draft control for combustion heating systems : en
  • USD133875S - Wrapping paper or similar article : en
  • USD133845S - Design for a chair : en
  • US2296791A - Rotary furnace : en
  • GB548019A - Improvements relating to photographic materials : en
  • DE725523C - Air-cooled in-line engine : de en
  • US2296695A - Power transmitting mechanism : en
  • DE725675C - Permanent casting mold for the production of plated castings : de en
  • US2296303A - Art of seaming : en
  • US2296326A - Socket for high voltage gaseous discharge tubes : en
  • US2296330A - Gravity ballance : en
  • USD133868S - Design foe a toy vehicle : en
  • US2296347A - Glass working apparatus : en
  • US2296382A - Dispersion of hydrophile pigments : en
  • DE725541C - Device for the automatic control of the running speed of the conveyor wagons running downwards on an incline : de en
  • DE725451C - Rod bearing processing machine : de en
  • US2296369A - Mounting for electric bells and the like : en
  • FR875524A - Nozzle for gasifiers : en fr
  • DE725499C - Process for improving the adhesive strength of vulcanizates made of natural or synthetic rubber on cotton, rayon or other textile materials : de en
  • FR875448A - Device for controlling the movable knife, cooperating with the fixed grid, in mechanical razors in general : en fr
  • FR875473A - Improvements to high voltage gas-filled rectifiers : en fr
  • GB548057A - Improvements in radio-shielding means for internal combustion engine ignition systems : en
  • US2296360A - Bomb releasing shackle : en
  • US2296661A - Rotary hook for sewing machines : en
  • DE725674C - Mold with a pipe screw for cooling the wall by means of compressed air during casting : de en
  • GB547989A - Windscreen wiper arm connection : en
  • US2296684A - Electrical apparatus : en
  • DE725493C - Flat conductor coil for electrical machines : de en
  • US2296345A - Sales display device : en
  • US2296514A - Brush for cleaning perforated casing : en
  • USD133857S - Design for a coat lining : en
  • US2296481A - Antiwing shoulder stanchion : en
  • US2296618A - Silicate treated titanium pigment : en
  • US2296627A - Time lag fuse : en
  • US2296500A - Weed exterminator : en
  • US2296538A - Friction clutch : en
  • US2296812A - Liquid level gauge : en
  • AU285041A - Improvements in and relating to circuit breaking mechanism : en
  • DE725458C - Clutch foot lever for motor vehicles : de en
  • FR875432A - A method of making a two or more body double-sided returnable ornamented carpet fabric and carpet fabrics made by this process : en fr
  • DE725399C - Artificial leg for teaching, practice and use : de en
  • DE725616C - Light meter with photoelectric cell : de en
  • DE725520C - Electromagnetic switching device responsive to frequency currents, in particular resonance relays : de en
  • CA407597A - Communication system : en fr
  • US2296630A - Wave control and control circuits : en
  • DE725550C - Arrangement for measuring DC voltages using a capacitor machine : de en
  • GB547986A - Improvements in and relating to pumps having sliding blades : en
  • CA407518A - Colour photography : en fr
  • DE725589C - razor : de en
  • AU288241A - Improved apparatus for moulding unitary slabs from comminuted materials : en
  • GB548096A - Improvements in or relating to multiple circuit-breakers : en
  • DE723796C - Current conversion arrangement with mechanically moved contacts : de en
  • DK60174C - Internal combustion engine systems for the operation of Ships, Airplanes or Vehicles. : da en
  • FR875434A - Dressing wrap : en fr
  • CA407577A - Hydraulic disruption of solids : en fr
  • FR875450A - New condensate products : en fr
  • FR875459A - Process for granulating artificial fertilizers and more particularly super-phosphates and fertilizers containing super-phosphates : en fr
  • US2296260A - Apparatus for washing fabrics or the like : en
  • US2296313A - Internal closure and means for operating same : en
  • US2296648A - Automatic shutoff valve for high and low pressure and temperature release : en
  • US2296447A - Heating stove : en
  • US2296805A - Chicken coop : en
  • USD133836S - Design for a jewelry pin : en
  • AU115834B2 - Improvements in and relating to caps or closures for bottles and like containers : en
  • GB548132A - Improvements in or relating to heat insulating coverings of steam boilers and the like : en
  • CA407478A - Winch : en fr
  • AU492042A - Improvements relating tothe regeneration of ion-exchange plants : en
  • FR875476A - Process for automatically making a reverse on a flat knitting machine : en fr
  • US2296335A - Athletic protector : en
  • CA407578A - Non-aqueous drilling fluid : en fr
  • DE725410C - Clamp buckle, especially for clasp shoes : de en
  • DE725422C - Guide or drying device for fabric and paper webs : de en
  • AU293041A - Improved gas compressor : en
  • CA407590A - Lens blank preforming method : en fr
  • US2296314A - Diffuser : en
  • US2296710A - High pressure sealing head : en
  • DE725547C - Arrangement for controlling grid-controlled vapor or gas discharge lines : de en
  • GB548014A - Improvements in or relating to thermally controlled heating and lighting systems : en
  • GB548055A - Improvements in electro-magnetic relays : en
  • GB548105A - Improved electro-magnetic measuring apparatus : en
  • DE725418C - Tube with a jacket made of tinned lead : de en
  • GB547997A - Improvements in pulleys : en
  • GB548067A - Improvements in or relating to aeroplane landing gear : en
  • CA407546A - Airplane ski trimming lock : en fr
  • GB548107A - Manufacture of synthetic resins : en
  • US2296371A - Paraffin reaction : en
  • DE725654C - Culture carrier for breeding surface-forming microorganisms : de en
  • FR875411A - Heating or cooling device for concrete buildings : en fr
  • DE725560C - Process for the production of a therapeutically effective preparation : de en
  • USD133876S - Design for wrapping paper : en
  • US2296563A - Control : en
  • FR875462A - Removable decorative motif ring : en fr
  • GR9983B - TYPE OF GLAZING OR COLLING MACHINE. : el en
  • DE725472C - Electromagnetic switch : de en
  • DE725668C - Device for converting direct current into alternating current : de en
  • GB548070A - Improvements relating to steering gear for road rollers, traction engines and like road vehicles : en
  • US2296510A - Match book : en
  • USD133888S - Design fob an embroidered fabric : en
  • FR875545A - Improvements to electric welding machines : en fr
  • FR875544A - Agglomerate press : en fr
  • US2296697A - Carburetor : en
  • USD133821S - Design for an eyeglass frame : en
  • US2296617A - Color photography : en
  • US2296749A - Gauge : en
  • DE725371C - Gearboxes for motor vehicles : de en
  • FR875528A - Hydraulic fluid circulation coupling or transmission : en fr
  • DE725573C - Suspension of two-sided guided wheels, especially of single-track vehicles : de en
  • DK60154C - Overhead contact line system for railless electric tracks. : da en
  • US2296564A - Colloid mill : en
  • US2296802A - Machine for loading and discharging containers : en
  • DE725636C - Housing for centrifugal pumps divided in the shaft plane : de en
  • US2296620A - Closure for pressure vessels : en
  • US2296486A - Filter : en
  • US2296715A - Hydraulic descaling : en
  • USD133867S - Design for a molded fiber tray : en
  • DE725403C - Radiator element with air ducts connected to the heating medium duct : de en
  • FR875546A - Improvements to variable frequency measuring and telemetry devices : en fr
  • DE725569C - Saw machine with internally toothed saw blade : de en
  • US2296499A - Metal flashing strip : en
  • US2296430A - Container : en
  • US2296449A - Hook guard : en
  • US2296565A - Device for rolling threads : en
  • USD133840S - Design for a jewelry pin : en
  • US2296779A - Portable deck : en
  • CA407596A - Wave translation system : en fr
  • GB548006A - An improved method of washing anodes : en
  • US2296373A - Adjustable stay for caps : en
  • US2296626A - Signal amplifying system : en
  • USD133827S - Surgical stitching instrument or similar article : en
  • USD133854S - Design for a coat lining : en
  • US2296272A - Film file : en
  • FR875470A - Riveting and spot welding machine : en fr
  • FR875539A - Device for washing glasses, crockery and silverware in cafes, restaurants and similar establishments : en fr
  • US2296401A - Wood preservative : en
  • US2296654A - Automatic transmission : en
  • GB548002A - Improvements in trenching ploughs : en
  • US2296462A - Suction nozzle : en
  • US2296298A - Staple fiber cutter : en
  • AU246541A - Improvement in carrier-signal frequency detector system : en
  • US2296636A - High surface hiding pigment material and process of making the same : en
  • US2296506A - Utility rack : en
  • US2296698A - Piano string support : en
  • CA407506A - Electric switch : en fr
  • US2296734A - Means for automatically controlling the electrodes of arc furnaces : en
  • USD133839S - Design for a jewelry pin : en
  • DE725435C - Replacement : de en
  • DE725477C - Aircraft with devices for influencing the flow boundary layer : de en
  • US2296489A - Phonograph : en
  • US2296262A - Washing apparatus : en
  • US2296434A - Production of gases for metallurgical and like operations : en
  • US2296789A - Retractable auxiliary trailer wheel mounting : en
  • US2296672A - Door handle and hinge assembly : en
  • AU284441A - Improvements in or relating to the manufacture of hypochlorous acid : en
  • CA407562A - Hydraulic governor : en fr
  • GB547984A - Improvements in or connected with friction clutches : en
  • GB547976A - Pyrimidine derivatives of sulphanilamide : en
  • CA407584A - Plywood panel : en fr
  • CA407517A - Phenolic and naphtholic coupler : en fr
  • USD133869S - Design for a toy rattler : en
  • AU115833B2 - Improved apparatus for moulding unitary slabs from comminuted materials : en
  • US2296731A - Stop mechanism for grinding machines : en
  • GB548058A - Improvements in or relating to glass substitutes : en
  • US2296515A - Clutch plate : en
  • US2296586A - Serving device : en
  • US2296767A - Detergent composition : en
  • DE725465C - Method of controlling leaching in diffusion batteries : de en
  • DE725495C - Safety device for gas burner : de en
  • DE725373C - Synchronization device for motor vehicle clutches controlled by auxiliary staff : de en
  • CA407606A - Shoe upper pressing and shaping machine : en fr
  • US2296548A - Universal impulse unit : en
  • US2296651A - Drilling apparatus : en
  • US2296355A - High frequency oscillator tube : en
  • US2296777A - Tonoscope : en
  • DE725397C - Method and device for regulating the supply of several fuels of various values and the combustion air to furnaces : de en
  • US2296656A - Steam generating unit : en
  • US2296689A - Abrasive scouring powder : en
  • US2296703A - Gas turbine : en
  • GB548126A - Electrical recording stylus and method of making the same : en
  • US2296273A - Drilling apparatus : en
  • US2296575A - Manufacture of alternating current rectifiers : en
  • DE725387C - Process for the production of acid-resistant filter stones : de en
  • FR875497A - Stove : en fr
  • DE725682C - Device for changing the speed of shafts : de en
  • CA407586A - Unbreakable lens fabrication : en fr
  • US2296639A - High surface hiding pigment material and process of making the same : en
  • AU492142A - A method of treating water forthe purpose of removing electrolytes therefrom : en
  • CA407579A - Sterol extraction : en fr
  • CA407531A - Titanium dioxide pigment dispersion : en fr
  • US2296296A - Molding process : en
  • US2296817A - Rock drill : en
  • US2296722A - Cracking of hydrocarbon oils : en
  • CA407503A - Electric discharge device electrode : en fr
  • AU338441A - Self-closing gate or barrier : en
  • FR875529A - Hydraulic fluid-circulating coupling or transmission with paddle wheels : en fr
  • US2296508A - Game scoring apparatus : en
  • DK60153C - Process for the Preparation of Aromatic N-Sulfonylureas. : da en
  • CA407474A - Chromium ore concentration and treatment : en fr
  • CA407593A - Flat optical surface making method : en fr
  • AU115848B2 - Improved propeller : en
  • US2296258A - Method of cleaning fabrics or the like : en
  • CA407522A - Diffusion prevention of sensitizing dyes : en fr
  • DE725681C - Method and device for introducing fuel into deflagration chambers, in particular of deflagration combustion power turbines : de en
  • US2296536A - Roadway shoulder retainer : en
  • DE725457C - Process for making colored copies of colored negatives on a multilayer copy film by the silver color bleach-toning process : de en
  • DE725400C - Ankle for artificial legs : de en
  • GB547998A - Magnetic focussing arrangements for cathode ray tubes : en
  • CA407589A - Moulding expansion method and apparatus : en fr
  • CA407484A - Rabbeting machine : en fr
  • CA407528A - Colour photographic material : en fr
  • DE725623C - Flywheel magneto : de en
  • FR875516A - Process for spraying thermoplastic materials and apparatus for its realization : en fr
  • GR9982B - VALVE SYSTEM FOR AIR AND GAS COMPRESSION. : el en
  • FR875480A - Process for obtaining fibers which can be spun into a web of fibers : en fr
  • AU291741A - Improvements in and relating to caps or closures for bottles and like containers : en
  • US2296307A - Method of making glass-to-metal seals : en
  • USD133834S - Design for an earring : en
  • DE725444C - Two-stroke internal combustion engine : de en
  • USD133842S - Design for a template : en
  • FR875527A - Continuous furnace for carbonization of wood in the forest : en fr
  • FR875540A - Meter for fluids, especially for steam : en fr
  • GB548106A - Improvements in water repellent coating compositions : en
  • GB547999A - Means for use in the rolling of metal bars : en
  • AU115849B2 - Improvements in and connected with seed sowing devices : en
  • CA407476A - Fairlead for winch drums : en fr
  • FR875426A - Device indicating the presence of air or gas accumulating in a container filled with a liquid : en fr
  • US2296513A - Process of producing rubber films or deposits : en
  • CA407511A - Titanium pigment : en fr
  • CA407554A - Connecting lead for electrical apparatus : en fr
  • US2296576A - Composite soap dish : en
  • FR875510A - Venting bricks for air or smoke suction chimneys, for ventilation partitions, etc. : en fr
  • US2296813A - Side door construction for dry ice service refrigeration cars : en
  • USD133825S - Design for a jewelry finding or similar article : en
  • FR875436A - Process for reinforcing stockings or fabrics for stockings and resulting non-slip articles : en fr
  • US2296550A - Method of manufacturing container closures : en
  • US2296625A - Venetian blind bracket : en
  • US2296788A - Power transmission mechanism : en
  • FR875445A - Claw fixing : en fr
  • FR875465A - Combined stretching mechanism for spindle benches : en fr
  • CA407482A - Elongated article loading device : en fr
  • US2296650A - Lubricated valve : en
  • US2296771A - Rail transportation system : en
  • US2296453A - Method of molding concrete products : en
  • DE725379C - Procedure for distance measurement using the echo method : de en
  • DE725559C - Arrangement for generating saw tooth-shaped tilting vibrations of very high frequency : de en
  • DE725388C - Production of fluorine-free beryllium compounds : de en
  • US2296376A - Process of and apparatus for thermochemically working ferrous metal : en
  • US2296714A - Automatic control apparatus : en
  • DE725598C - Trough table for holding index boards : de en
  • US2296465A - Locomotive : en
  • DE725617C - Method for the electrical excitation of spectra : de en
  • GB548108A - Air supply system for aircraft fuel tanks and valve for use therein : en
  • US2296680A - Air conditioning apparatus : en
  • US2296487A - Engine mounting bracket : en
  • US2296696A - Hydration of olefins : en
  • US2296721A - Tuning mechanism : en
  • FR875447A - Process for increasing the yield of fatty acids with 10 to 20 carbon atoms in the oxidation of paraffins : en fr
  • GB548119A - Ultra-high frequency thermionic valve : en
  • DE725436C - Heating set for cans : de en
  • DE725599C - Card index in which the card sheets or card pockets are arranged on a card holder : de en
  • US2296588A - Direction indicating mechanism : en
  • US2296457A - Separation of different melting point materials : en
  • US2296822A - Air conditioning apparatus : en
  • FR875420A - Planned signaling installation with safety assembly : en fr
  • FR875530A - Pressure or vacuum pump : en fr
  • US2296385A - Fluid pressure creating device : en
  • GB548086A - Improvements relating to motor vehicle body constructions : en
  • US2296475A - Gas burner : en
  • US2296400A - Filter lubrication fitting : en
  • DK60157C - Electric Gaseous discharge tube with two luminescent layers. : da en
  • DE725471C - Electric circuit breaker : de en
  • US2296737A - Reed : en
  • US2296375A - Halogenated meta-dioxanes : en
  • US2296571A - Name coiner : en
  • US2296810A - Elevator unit for conveyers : en
  • GB548097A - Improvements in and relating to holders for thermionic valves and like electronic devices : en
  • FR875541A - Motion amplifier and its application to precision instruments : en fr
  • FR875403A - Electric discharge tubes containing metallic vapor under high pressure : en fr
  • CA407547A - Pneumatic tire tread : en fr
  • US2296483A - Reinforcing clip machine : en
  • US2296745A - Filter circuit for rectified alternating current : en
  • FR875513A - Injection pump : en fr
  • GB548118A - Improvements in or relating to electric elevator control systems : en
  • GB548076A - Improvements in and relating to drying chambers and the like : en
  • DE725528C - Process for the preparation of carboxylic acid esters of 1-chloro or. 1-bromo-butanols- (4) : de en
  • DE725581C - Process for emptying and filling consumption containers with butane or other liquid gases : de en
  • US2296570A - Cooling apparatus : en
  • US2296532A - Torque-controlled transmission : en
  • US2296798A - Spindle bearing : en
  • GB548088A - Improvements relating to waterproof connectors for electric conductors : en
  • US2296442A - Brazing flux composition : en
  • DE725404C - Process for the production of plastics : de en
  • GB548015A - Improvements in or relating to fuel delivery systems, particularly high altitude fuel systems for aircraft engines : en
  • US2296361A - Rod baking oven or the like : en
  • US2296546A - Method of artificially seasoning lumber : en
  • US2296746A - Illuminated ornamental object : en
  • US2296266A - Liquid mixing device : en
  • US2296468A - Slide fastener : en
  • DE725420C - Dry protection against explosive gases : de en
  • FR875547A - Further training in mobile lifting devices known as "sheaves" or the like : en fr
  • US2296301A - Knitted article and method for making same : en
  • US2296572A - Method for the production of hormones : en
  • USD133872S - Design for a jabot : en
  • USD133885S - Embroidered lace trimming : en