• USD132518S - Design fob a cocktail table : en
  • DE721103C - Resilient mounting of an aircraft wheel : de en
  • US2284561A - Pressure release : en
  • US2283931A - Rust preventive compound : en
  • US2284460A - Purification of coal tab bases : en
  • USD132539S - Design foe a lawn sprinkler : en
  • US2284012A - Building construction : en
  • US2284158A - Apparatus for automatic soil sprinkling systems : en
  • DE721152C - Internal combustion engine with tumbling operation : de en
  • US2284299A - Tire-display stand : en
  • US2284414A - Humidifier : en
  • AU115170B2 - Improvements in or relating to totalisators : en
  • PL30563B1 - Radioaktiengesellschaft D. S. Loewe, Berlin-Steglitz A beam cathode ray tube wiring system and a lamp for use in this wiring system : en pl
  • US2283956A - Cavitation retarding blade and a method of delaying the occurrence of cavitation to increased blade velocities : en
  • US2284083A - Inverse feedback amplifier system : en
  • US2284471A - Feeding mechanism for sewing machines : en
  • USD132520S - Tomasini cycloplane : en
  • CH221231A - Process for increasing plant yield. : de en
  • US2284089A - Glass tube reshaping apparatus : en
  • US2284501A - Time study board : en
  • US2284466A - Casing for electrical apparatus : en
  • US2283977A - Production of aliphatic acids : en
  • BE445349R - Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products : en fr
  • CH221466A - Device for carrier frequency generation in a multi-channel system. : de en
  • DE721151C - Fly glue : de en
  • US2284150A - Film inspecting apparatus : en
  • US2284360A - Extendible builder's tower : en
  • US2284293A - Refrigerator : en
  • PL30582B1 - Hugo Heine, Berlin H * "& 6 ** <4 & Weapons of wooden propellers : en pl
  • US2284433A - Grain pan for combines : en
  • DE721240C - Cold gluing process : de en
  • DE721177C - Loose-leaf binders or filing folders : de en
  • US2284209A - Novelty or flag display : en
  • DE721026C - Process for the extraction of bitter substances from Lactuca virosa : de en
  • US2284203A - Rotary snubber : en
  • CH221439A - Electric discharge tube for generating ultra-high frequency oscillations. : de en
  • CH221479A - Device for the electrical telemetry of temperatures in vehicles. : de en
  • FR872080A - Process to obtain a calmed steel, pure and poor in gas, very fluid, having little tendency to cracks and blisters and to separations at the border of the grains generating fragility to red : en fr
  • CH221271A - Tear-off cap for bottles. : de en
  • CH221356A - Process for the manufacture of articles from sintered metal or sintered hard alloy. : de en
  • BE445242A - : en
  • CH221331A - Device making it possible to obtain, from a geographical map with contour lines, points of the profile of the terrain along a vertical intersection plane. : en fr
  • US2284040A - Signal : en
  • USPP522P - lammerts : en
  • CA404959A - Dispensing apparatus : en fr
  • USD132579S - Design for a vestee with detachable : en
  • CH221335A - Fixing device for theater sets. : de en
  • CA405040A - Car axle contact : en fr
  • DE721234C - Circuit arrangement for distortion-free modulation : de en
  • DE721024C - Cleaning of sulphurous roast gases : de en
  • US2284445A - Therapeutic device : en
  • US2284603A - Process for the catalytic conversion of hydrocarbons : en
  • US2284025A - Dishwasher : en
  • CH221292A - Wooden sole for footwear. : de en
  • CH221275A - Installation for the treatment of a textile thread, in particular intended for hosiery. : en fr
  • FR872084A - Control device for a gear change mechanism : en fr
  • DE721051C - Process for softening textiles made from cellulose or cellulose hydrate fibers : de en
  • GB545442A - Improvement in electromagnetic interrupters : en
  • PL30568B1 - : en pl
  • US2284011A - Solenoid : en
  • US2284124A - Purification of high-melting organic compounds : en
  • US2284208A - Pin setting machine : en
  • AU115156B2 - Anew or improved liquid discharge appliance : en
  • CH221282A - Machine for circular weaving of hoses, especially high pressure hoses. : de en
  • CH221266A - Fabric ball suspension device. : de en
  • US2284197A - Releasing safety hook : en
  • US2284335A - Polystyrene product : en
  • CA404946A - Cast shears : en fr
  • BE445146A - Process for the production of polycondensation products containing carboxyl groups : en fr
  • CH221398A - Sealing insert for internal combustion engines with rotary valve control. : de en
  • DE719954C - Arrangement for current or. Voltage transmission between two parts that can rotate relative to one another : de en
  • DE721139C - Electric electron discharge vessel with reduced noise effect : de en
  • AU349841A - Anew or improved liquid discharge appliance : en
  • CA405020A - Ignition distributor : en fr
  • CH221471A - Device with at least one discharge tube for frequency multiplication of electrical oscillations. : de en
  • FR872025A - Electric current switch, in particular circuit breaker, with arc extinction by means of blowing gas produced by the arc in contact with the solid walls of the rupture chamber : en fr
  • CH221516A - Process for the preparation of a salt of a derivative of p-aminobenzenesulfonamide. : de en
  • PL30549B1 - An extinguishing device for short-circuit current compensation with earth : en pl
  • CH221315A - Process for the preparation of a quaternary ammonium salt. : de en
  • USD132521S - Design for a glider : en
  • US2284038A - Shaving implement : en
  • GB545479A - Improvements in electric magnetic strain-gauges : en
  • GR9876B - WATER AIR WITH AMPLIFIER AND COMPRESSOR. : el en
  • US2283903A - Valve : en
  • US2284026A - Dishwasher : en
  • CA405062A - Cellulose ether preparation : en fr
  • CH221353A - Waterproof watch case. : de en
  • CH221388A - Rotor composed of several individual wheels for centrifugal machines, especially steam or gas turbines. : de en
  • DE721225C - Test liquid with ferromagnetic particles for the magnetic powder process : de en
  • FR872136A - Passive defense building : en fr
  • CH221279A - Cross-winding machine for the production of conical bobbins with conical bobbin ends. : de en
  • US2283982A - Bell type annealing furnace : en
  • GB545409A - Improvements in or relating to urea formaldehyde adhesives : en
  • US2283976A - Recovery of lower aliphatic acids from their salts : en
  • USD132529S - Design for an ensign or similar article : en
  • CH221371A - Shaving head for dry razors. : de en
  • DE721250C - Glass mine sharpener : de en
  • US2284296A - Telegraph circuit : en
  • CH221451A - Cathode ray tube with directly heated cathode. : de en
  • DE721114C - Yarn guide device for package winding machines : de en
  • FR872129A - Heating apparatus, in particular for heating combustion engines : en fr
  • US2284007A - Air valve : en
  • CA404985A - Vinyl resin : en fr
  • CA405050A - Material classifier : en fr
  • CH221449A - Contact converter. : de en
  • DE721104C - Drive device for pivoting an aircraft landing gear strut : de en
  • FR871975A - : fr
  • FR872077A - Multiple mechanical pencil : en fr
  • PL30570B1 - Helin Hagener Elektrizitats-Industrie G. m. B, H. (Hagcn Syrena with two paddle wheels driven by one common motor for sustained high and low tones : en pl
  • GB545481A - Compositions and methods for treating molten metals : en
  • PL30564B1 - : en pl
  • FR872147A - Advanced rowing device facing forward movement : en fr
  • PL30516B1 - : en pl
  • US2284188A - Baffle plate for precooler : en
  • US2284074A - Adjustable jamb for shower stall doors : en
  • CH221247A - Process for the heat treatment of goods of various types, in particular for burning cement and alkaline earth carbonates, e.g. B. lime, magnesite, dolomite and the like., And means for carrying out this process. : de en
  • CH221298A - Process for making bread and other pastries. : de en
  • FR872093A - Railroad track insulated joint : en fr
  • DE721175C - Ammunition elevator : de en
  • DK59819C - Short-term meters for distance meters working according to the Echo method. : da en
  • DE721138C - Arrangement for frequency measurement or frequency-dependent control for low-frequency alternating current by means of a damped oscillating circuit : de en
  • FR872100A - Button system for remote control of radio receivers : en fr
  • CA405031A - Elevator : en fr
  • CA405054A - Low substituted alkyl cellulose production : en fr
  • US2283965A - Clutch : en
  • PL30547B1 - : en pl
  • GB545453A - Improvements in or relating to cycle stands : en
  • US2283954A - Apparatus for testing the embrittlement cracking characteristics of solutions : en
  • PL30590B1 - The method of supplying additional materials, improving the properties of the cast material, and the device for performing this method : en pl
  • GB545515A - Improvements in or relating to shears : en
  • PL30544B1 - : en pl
  • CH221416A - Process for the preparation of an activated depolarizer from natural manganese oxide. : en fr
  • PL30520B1 - Method of external disinfection and preservation : en pl
  • US2284253A - Rotor brake : en
  • USD132578S - Nyberg staple remover : en
  • CA405013A - Implement power depth control device : en fr
  • AU144341A - Improved mop : en
  • US2284572A - Spotting table : en
  • GB545435A - Improved method of recovering magnesium from vapour mixtures : en
  • US2284213A - Brush : en
  • FR872150A - Apparatus for the distribution and carburization of gas, other than petroleum gasoline, for supplying internal combustion engines : en fr
  • FR872022A - Steels resistant to interoristalline corrosion : en fr
  • GB545408A - Improvements in systems for the remote control of railway track switches and signals : en
  • USD132556S - Glass display case for decorative purposes : en
  • US2284192A - Automobile door lock : en
  • US2284533A - Grease gun : en
  • FR872020A - Process for the production of coatings protecting against corrosion and resulting coatings : en fr
  • DE721246C - Scaffolding rope : de en
  • US2284259A - Crimping device : en
  • PL30593B1 - Overflow tank : en pl
  • FR872012A - Laundry sprinkler for washing machines : en fr
  • CH221235A - Device to increase the sound insulation of windows and doors. : de en
  • GB545424A - Improvements in or relating to typographical composing machines : en
  • GB545492A - Improvements in or relating to pneumatic tyres : en
  • US2284563A - Apparatus for making reinforced sheets : en
  • GB545437A - Improved fluid-sealing packing for rotary parts : en
  • FR872028A - Lubricating oil fine filtration device : en fr
  • US2283951A - Commutator oscillograph device : en
  • CH221497A - Brake actuation device on bicycles that can be actuated from the bottom bracket axle. : de en
  • DE712563C - Process for stabilizing active ingredients : de en
  • CA404958A - Coated steel article : en fr
  • US2284092A - Locking means for lockers and the like : en
  • US2284200A - Gum massaging and teeth strengthening device : en
  • CH221255A - Gas generator. : de en
  • US2284117A - Treatment of cigarettes : en
  • US2284600A - Multiple fuse : en
  • DE721180C - Process for the preparation of fluorinated aliphatic compounds : de en
  • PL30521B1 - : en pl
  • FR872051A - Gusset plates for picking knitting machines and method for making such plates : en fr
  • US2284105A - Machine for the extraction of gold and other minerals : en
  • US2284499A - Container : en
  • US2284614A - Process for improving cellulose products : en
  • GR9878B - WOODEN SHOES WITH ARTICLES. : el en
  • US2284521A - Wind motor with variable pitch automatic speed control : en
  • US2284339A - Refrigerator : en
  • US2284090A - Flexible shafting : en
  • FR872074A - : fr
  • DE721084C - Process for the decomposition of hydrocarbon oils : de en
  • US2284390A - Clamshell bucket : en
  • US2284595A - Engine transmission device : en
  • DE721163C - Template for the production of ornaments, in particular lettering : de en
  • DE721117C - Production of the feed from cement raw sludge : de en
  • DE721190C - Jacquard machine, especially for knocking machines : de en
  • US2284006A - Plate clamp or grapple : en
  • US2284121A - Self-thawing radiator : en
  • AU319141A - Improvements in telephone or like systems : en
  • CH221276A - Clamping device on ring rail and ring of ring spinning and ring twisting machines. : de en
  • USD132559S - Design for a vase : en
  • PL30519B1 - Cable for portable telecommunication devices : en pl
  • US2283940A - Welding apparatus : en
  • CA404952A - Display container : en fr
  • AU147441A - Improvements in or relating to electron discharge devices for operation at very high frequencies : en
  • US2284591A - Nebulizer : en
  • DE721110C - Change gear for bicycles : de en
  • GB545502A - Improvements in speed controlling mechanism for controlling the operation of machine tools : en
  • BE445263A - : en
  • CA404975A - Blasting assembly : en fr
  • DE721156C - Endless file belt for filing machines : de en
  • DE721257C - Feeding device for gas generators with an upward train : de en
  • GB545518A - An improved manufacture of pyrophoric lighters for cigarettes or the like : en
  • CA405026A - Liquid cooler : en fr
  • PL30594B1 - "ยป P SGioL i ^ / * Chanard, Rueil Filter insert for blowers in vehicles : en pl
  • US2284129A - Chair or seat structure and footrest construction therefor : en
  • US2284409A - Fitting for tempered glass panels : en
  • CH221380A - Rooster. : de en
  • CH221476A - Arrangement for the electromagnetic deflection of the cathode ray in cathode ray tubes. : de en
  • DE721189C - Process for producing jacquard patterned two-machine warp knitted fabrics : de en
  • US2284067A - Mercurated aliphatic alcohols : en
  • US2284387A - Treatment of mechanical fabrics : en
  • US2284458A - Educational building setup for rough plumbing : en
  • FR872057A - Improvements to devices for passing, sifting or filtering fluids : en fr
  • FR872099A - Polycylindrical piston gas compressor : en fr
  • DE721210C - Method for colored surface decoration by printing colors in the heat : de en
  • DK59810C - Sealing device for Doors or Windows. : da en
  • DE721220C - Device for spraying freshly printed sheets with a rapidly solidifying liquid that leaves a precipitate : de en
  • US2284263A - High intensity luminous tube : en
  • US2284412A - Scraper : en
  • US2284541A - Glove : en
  • CH221363A - Hobbing machine, in particular for watchmaking and apparatus manufacturing wheels. : de en
  • DE721147C - Process for the manufacture of liquid containers : de en
  • US2284498A - Folding high chair : en
  • PL30555B1 - : en pl
  • US2283957A - Coffee percolator : en
  • US2284194A - Indirect lighting system : en
  • US2284204A - Refining of petroleum hydrocarbons to produce gasoline : en
  • US2284452A - Paintbrush holder : en
  • CH221508A - Heating system. : de en
  • AU242341A - Improved packing for pistons, rams, glands andthe like : en
  • CH221358A - Casting mold for air-cooled ribbed cylinders or similar ribbed workpieces. : de en
  • CH221272A - Spinneret made of a platinum-gold alloy. : de en
  • CH221441A - Electron tube with speed modulation. : de en
  • US2284033A - Process of treating green coffee : en
  • CA404938A - Aquatic toy : en fr
  • CH221288A - Bituminous fibrous material specially designed for roofing. : de en
  • US2284230A - Hand starter for internal combustion engines : en
  • CA404980A - Polyamide preparation : en fr
  • US2283907A - Hydraulic circulator : en
  • FR872113A - Elastic Vehicle License Plate Holder : en fr
  • DE721243C - Mixer tap for hot water overflow or throughflow systems : de en
  • PL30518B1 - : en pl
  • PL30559B1 - : en pl
  • US2284436A - Combination sash balance and weather strip : en
  • US2284481A - Electric lighting method and apparatus : en
  • US2284044A - Cotton baling apparatus : en
  • DE721140C - Process for reducing the solubility of zinc yellows : de en
  • US2284201A - Vehicle steering gear : en
  • US2284375A - Blasting cable reel : en
  • US2284578A - Vulcanizable rubber compositions : en
  • US2283989A - Method of charging and conditioning dehydrators : en
  • US2283996A - Electrode holder : en
  • US2284576A - Vulcanization of rubber : en
  • US2284598A - Time recorder mechanism : en
  • FR872108A - New phosphorescent lighting process : en fr
  • US2284065A - Plasticized waxes : en
  • US2284604A - Art of packing : en
  • GB545501A - Improvements in high frequency antennae : en
  • GB545450A - Improvements in or relating to fluid-pressure operated starters for internal-combustion engines and to other fluid-pressure operated apparatus : en
  • GB545430A - Improvements in or relating to apparatus for teaching telegraphy : en
  • PL30589B1 - : en pl
  • DE721228C - Soundproofing system for aircraft engines : de en
  • CA405030A - Inductance coil : en fr
  • CH221324A - Airtight container with a non-metallic body. : de en
  • US2284211A - Method of and means for cutting well casings or pipes : en
  • US2284217A - Toothbrush pack : en
  • US2284340A - Packing : en
  • DE721258C - Flat weft knitting machine with a device for changing the depth of the neck and a method for producing weft knitted fabrics using this device : de en
  • CA404993A - Furnace electrode clamp and support : en fr
  • CA405058A - Electric discharge vessel : en fr
  • CH221511A - Process for the preparation of a water-soluble basic dye. : de en
  • DE721182C - Cooling system for railroad cars : de en
  • US2284186A - Rotary internal combustion engine : en
  • CH221265A - Frame with adjustable shelves. : de en
  • CH221334A - A method of performing a relief view of a region and a relief view obtained by this method. : en fr
  • CH221260A - Acetylene producer. : de en
  • FR872110A - Transmission improvements : en fr
  • CH221498A - Electric warning light system for unprotected crossings. : de en
  • US2283963A - Spindle : en
  • US2284103A - Thermal switch : en
  • CA405052A - Casket fastener holder and tool : en fr
  • US2284464A - Furnace and stove construction : en
  • US2283974A - Coupling : en
  • PL30608B1 - Junkers Flugzeug- und -Motorenwerke Aktiengesellschatt,) type Friction clutch, hydraulically actuated : en pl
  • US2284415A - Relay system : en
  • US2283981A - Lead pot heater : en
  • USD132531S - Design fob a brooch or similar article : en
  • CA404989A - Joint construction : en fr
  • CH221463A - Lounge football game. : en fr
  • CH221487A - Installation on streamlined vehicles with an air-cooled engine in the rear for supplying cooling air to the engine compartment. : de en
  • AU313241A - Improvements in or relating to control systems particularly for electrically propelled vehicles : en
  • CA405019A - Mixer transfer chute : en fr
  • CA404953A - Adjustable saw frame : en fr
  • CH221330A - Process for the production of colored pictures using partial negatives and positives and picture produced by this process. : de en
  • US2283912A - Tension device for winding and like machines : en
  • DE721212C - Timers, especially synchronous stopwatches : de en
  • FR872082A - Device for opening and softening bundles of dry artificial threads : en fr
  • AU115160B2 - Improvements inthe manufacture of aircraft andother structures : en
  • AU115165B2 - Improvements in or relating to control systems particularly for electrically propelled vehicles : en
  • US2284406A - Transformer : en
  • US2284569A - Press : en
  • DE721270C - Paintable protective compound for smoldering devices : de en
  • US2284001A - Staking machine : en
  • USD132563S - Design for an electrical floor outlet box : en
  • FR872076A - Coupling device for distortion correcting translators in telewriting transmission installations : en fr
  • CA405021A - Cooling tower : en fr
  • FR871962A - Process for the production of platemaking blanks : en fr
  • DE721039C - Process for the production of highly covering white enamel glazes : de en
  • CH221510A - Process for the preparation of 2-amino-4-oxo-5-ethoxypentene- (2). : de en
  • DE721217C - Process for improving the rubbing fastness of ice paints on textiles by post-treatment : de en
  • US2284491A - Adhesive applicator for cylindrical container interiors : en
  • CH221379A - Pipe flange connection. : de en
  • US2284287A - Ethers of protocatechuic aldehyde : en
  • US2284265A - Method of covering balls : en
  • US2284477A - Preparation of peracids : en
  • AU313041A - Wire reinforcements for bodies and means for and methods of applying same : en
  • CH221490A - Device for enabling the use of tubular tires on flange rims of bicycles. : de en
  • CA405055A - Vacuum tube device : en fr
  • CH221496A - Bike trailer. : de en
  • US2284112A - Method of treating well fluids : en
  • CA404942A - Engine supercharging device : en fr
  • CH221370A - Device for heating the thermo-plastic mass in the filling line leading to the mass cylinder of an injection molding machine. : de en
  • PL30600B1 - : en pl
  • AU115152B2 - Improvements in telephone or like systems : en
  • CA404949A - Threshing attachment for mowing machines : en fr
  • CA405065A - Variegated ice cream making apparatus : en fr
  • CH221505A - Controllable pitch propeller. : de en
  • US2284051A - Vacuum breaker : en
  • US2284388A - Ripper : en
  • GB545517A - An improved manufacture of pyrophoric lighters for cigarettes or the like : en
  • FR872063A - Hollow brick for the construction of large walls or partitions : en fr
  • US2283900A - Process for producing resins of the sulphur dioxide-olefin type : en
  • CH221341A - Test device to be used in the manufacture and maintenance of rotating cutting tools, in particular milling cutters. : de en
  • US2284589A - Marine drive and reverse gear : en
  • USD132573S - Design foe, a brooch ok similar. article : en
  • US2284085A - Electric signal transmission system : en
  • USD132570S - Design for a draft controlling device : en
  • GB545434A - Improvements in and relating to the manufacture and production of regenerated cellulosic film : en
  • US2283980A - Folder : en
  • US2284223A - Work-holding apparatus : en
  • US2284258A - Lubricating composition : en
  • US2284430A - Sheet feeding mechanism : en
  • US2284162A - Lipstick container : en
  • US2284601A - Steam generator : en
  • FR872127A - Use of folded paper or cardboard : en fr
  • FR872083A - Process for making the glues incorporated in cardboard insoluble : en fr
  • US2283943A - Plate timber connector and joint : en
  • DE721223C - Process for the production of an iron powder which is easily soluble in gastric acid for therapeutic purposes : de en
  • US2284274A - Fastening element and method of utilizing same : en
  • DE721123C - Process for trub separation from wort : de en
  • GB545461A - Improvements in and relating to the treatment of coal tar distillates and to the production of phenols or tar acids of high boiling point : en
  • FR872046A - Crossing, especially for the contact wires of traction lines without rails on roads : en fr
  • FR872047A - Flexible wooden sole for shoe use : en fr
  • PL30510B1 - : en pl
  • US2284016A - Wind musical instrument : en
  • AU115168B2 - Improvements in and relating tothe cleaning of sacks, bags or like containers : en
  • GB545433A - Improvements in or relating to the manufacture of pressed metal wheel discs : en
  • DE721134C - Feedback, especially for controllers with intermittent control : de en
  • FR872114A - Improvements in devices for the continuous carbonization of wood : en fr
  • DE721266C - Method for joining ceramic bodies to metal : de en
  • US2284173A - Apparatus for recording and reproducing telephone messages : en
  • US2284518A - Chip rack : en
  • CH221339A - Device for locking the movable fuse part in relation to the fixed fuse part on mechanical time fuses for projectiles. : de en
  • PL30531B1 - : en pl
  • US2284184A - Rotary diesel engine : en
  • US2284531A - Ledger safe and the like : en
  • DE721264C - Double-edged safety razor : de en
  • US2284285A - Wringer and the like : en
  • US2284147A - Method and apparatus for soil gas analysis : en
  • CA405057A - Vacuum tube device manufacture : en fr
  • US2284101A - Impulse generator : en
  • CH221268A - Grill plate. : de en
  • CH221269A - Shoe painting brush. : de en
  • DE721227C - Device for discharging the cooling air from the hood of internal combustion engines, especially in aircraft : de en
  • CH221420A - Termination on cables, especially on high-frequency cables. : de en
  • CH221446A - Moving coil relay with core magnet system. : de en
  • DE721201C - Process for the production of non-aqueous bath fluids for the electrolytic deposition of aluminum : de en
  • FR872030A - Flotation and precipitation process and apparatus for carrying out this process : en fr
  • PL30554B1 - : en pl
  • US2284079A - Manufacture op melamine : en
  • US2284425A - Cloth roll : en
  • USD132565S - Design fok a candle holder : en
  • DE721232C - Method and arrangement for the precise setting of the resonance frequency of a luminous crystal : de en
  • US2284400A - Thermal insulation : en
  • US2283968A - Mold : en
  • US2284187A - Side loading hearse mechanism : en
  • US2283992A - Material classifier : en
  • US2284156A - Esters of terpene phenols : en
  • CA404992A - Terry loom jacquard drive : en fr
  • US2284286A - Container handling apparatus : en
  • US2284350A - Tank filling nozzle : en
  • DE721122C - Multi-body evaporation system in sugar factories : de en
  • US2284178A - Scarifier : en
  • US2284271A - Process for sweetening sour hydrocarbon oils : en
  • DE721176C - Lock device on vacuum containers for drying or other treatment of goods : de en
  • DE721203C - Increasing the corrosion resistance of copper and its refuse : de en
  • FR872118A - Sliding door electrically controlled remotely : en fr
  • US2284308A - Stop and synchronized drive mechanism : en
  • US2284219A - Signal wave form indicating system : en
  • CH221429A - Self-starter with delay device for electric motors. : de en
  • PL30527B1 - : en pl
  • DE721105C - Device for driving rotatable or pivotable aircraft parts, such as retractable landing gear, landing flaps, or the like. : de en
  • US2284022A - Reinforced metal plate construction : en
  • DE721121C - Device for continuous preliminary and main separation : de en
  • DE721153C - Injection carburetor with a secondary air supply to the intake air duct : de en
  • FR872079A - Jointing of drill pipes : en fr
  • US2284146A - Hydraulic pump or motor : en
  • US2284093A - Method of identification and article produced thereby : en
  • US2284573A - Digging wheel structure : en
  • FR872133A - Method of optical sensitization of silver halide emulsions : en fr
  • GB545478A - Anti-glare screen : en
  • CA405045A - Collapsible basket : en fr
  • US2284068A - Ignition system of internal combustion engines and method of controlling the spark : en
  • US2284355A - Container and picture holder : en
  • DE721119C - Labeling device : de en
  • DE721252C - Bottoms for distilling, rectifying and washing columns : de en
  • US2284023A - Emulsifiable composition and method of preparing same : en
  • US2284517A - Divider sickle and drive : en
  • FR872035A - : fr
  • US2283915A - Syringe : en
  • US2284143A - Truss construction : en
  • US2284590A - Apparatus and method for forming plastic film : en
  • GB545489A - Compound sheet materials and objects produced therefrom : en
  • US2283898A - Identification device : en
  • US2283911A - Method for treating unsaturated ketones containing aldehyde : en
  • US2284157A - Orchard heater : en
  • US2284524A - Ophthalmic mounting : en
  • USRE22103E - Magnetically toned high freqpenot : en
  • DK59807C - Discharge container with external Anode. : da en
  • CH221444A - Device for suppressing backfires in grid-controlled converters. : de en
  • CH221462A - Air foam generator. : de en
  • CA405017A - Self-tightening chuck : en fr
  • US2284358A - Engine starting mechanism : en
  • PL30535B1 - : en pl
  • US2283939A - Journal lubricator : en
  • PL30612B1 - A field kitchen with a device for quick lighting when burning with solid fuel : en pl
  • FR872058A - Process for the preparation of stilbenic derivatives : en fr
  • CA404950A - Measuring device : en fr
  • US2284426A - Spool : en
  • US2284508A - Glass-forming machine : en
  • US2284365A - Fitting : en
  • CH221442A - Overcurrent tripping relay with at least one tripping armature and an alternating current motor for time delay : de en
  • FR872121A - A method of making an astringent skin cleanser in solid form : en fr
  • US2284461A - Manufacture of amino-cyclic sulphonamides and their derivatives : en
  • US2284525A - Process for the hydrogenation of adiponitrile : en
  • PL30537B3 - L G. Farbenindustrie Aktiengesellschaft, Frankfurt n. M. Preparation of sulfur dyes : en pl
  • US2284214A - Timber coupling : en
  • US2284497A - Apparatus for the manufacture of thread or the like : en
  • US2284027A - Telephoto machine : en
  • US2284538A - Head-lamp mounting : en
  • CH221352A - Watch box. : en fr
  • BE445075A - : en
  • AU115146B2 - Process for producing transparent sheets having a heat-sealable coating, andthe products produced : en
  • DE721166C - Interference suppression of radio systems in motor vehicles : de en
  • US2284470A - Labor or similar bed : en
  • US2284605A - Brake mechanism : en
  • US2284615A - Valve for hydraulic powertransmission systems : en
  • CA405029A - Telephone system : en fr
  • CH221355A - Process for separating different metals from one another. : de en
  • FR872019A - Folding or tubular canoe : en fr
  • US2284312A - Book binding and method of forming the same : en
  • US2284338A - Engine starting mechanism : en
  • DE721113C - Sound signaling device : de en
  • US2284028A - Dry spinning process : en
  • US2284165A - Heating system : en
  • CA404964A - Synchronous machine excitation control system : en fr
  • CA405028A - Self-lubricating brake valve : en fr
  • CH221378A - Pipe joint. : de en
  • GB545499A - Improvements in ignition systems for internal combustion engines : en
  • US2283948A - Automobile traction device : en
  • US2284063A - Receiver : en
  • US2284612A - Phase control in electrical transmission : en
  • US2284035A - Ballast cleaning apparatus : en
  • CA404977A - Unsaturated acid compound : en fr
  • CA404984A - Electrolytic cell contact : en fr
  • US2284386A - Envelope : en
  • DK59806C - Electric Discharge Tube with Feed-through Pins Carrying Connectors. : da en
  • US2284060A - Means for measuring and recording liquid density : en
  • DE721127C - Process for the preparation of compounds of the cyclopentanopolyhydrophenanthrene series : de en
  • USD132554S - Lafel pin or similar article : en
  • US2284515A - Vibration suppressing means : en
  • USPP519P - schmidt : en
  • US2284341A - Discharge device : en
  • FR872092A - Sound generators, in particular for medical purposes : en fr
  • FR872003A - Process for carrying out metallurgical reactions : en fr
  • FR872142A - Improvements to the attachment devices of the parts to be treated in the galvanostรฉgie and electroplating baths : en fr
  • CH221374A - Sheet metal cage for cylindrical roller bearings. : de en
  • CH221485A - Device for driving a vehicle by means of steam. : de en
  • FR872116A - Switch control : en fr
  • FR872032A - Method and device for marking time in oscillographic recordings : en fr
  • FR872056A - Improvements made to injection engines comprising a swirl chamber : en fr
  • US2283924A - Magnetically tuned high frequency circuits : en
  • US2284419A - Vehicle body : en
  • US2284254A - Method of treating composite strip products : en
  • US2284408A - Drawbar : en
  • US2284479A - Catalytic halogenation of unsaturated organic compounds : en
  • GB545441A - Improvements relating to the catalytic alkylation of hydrocarbons : en
  • US2284210A - Method of closing the ends of tubular bodies : en
  • US2284337A - Saw-tooth current generator : en
  • US2284131A - Antenna system for modulatedcarrier signal receivers : en
  • US2283998A - Absolute permissive block system of railway signaling : en
  • US2284167A - Knitting machine : en
  • CH221291A - Method and device for ironing coats, in particular women's coats. : de en
  • CH221472A - Amplifier chassis for high frequency amplification. : de en
  • CH221359A - Device for setting the speed of welding generators driven by fuel engines. : de en
  • US2283925A - High frequency core and shield and method of making the same : en
  • USD132576S - Design for an embroidered fabric : en
  • CH221321A - Process for the production of nickel anodes and nickel anode produced by this process. : de en
  • CH221461A - Isolation device combined with a filter device. : de en
  • FR872018A - Improvements to cheese graters and other materials : en fr
  • PL30584B1 - : en pl
  • CH221252A - Descending combustion gas generator for solid fuels. : de en
  • CH221418A - Method for soldering a cable in a carbon for electrical machines. : de en
  • DE721247C - Multi-spindle machine for boring, form turning and shearing off wood products : de en
  • DE721254C - High-pressure storage system charged with electricity, from which steam is extracted under pressure drop : de en
  • US2284094A - Machine for recording data on wallpaper : en
  • CH221467A - System with amplifiers in a central station and in substations. : de en
  • US2284166A - Tank filling device : en
  • US2284327A - Heel : en
  • US2284602A - Plastic material dispenser : en
  • BE445280A - accommulaur deb flashlight charger for connection to the mains. : en fr
  • US2284176A - Cigarette holder : en
  • US2284496A - Refrigeration expansion valve : en
  • CH221413A - Freezer. : de en
  • PL30604B1 - : en pl
  • CH221437A - Process for joining glass and metal. : de en
  • DE721236C - Overcurrent carriers Fusible conductor arrangement for short-circuit-proof cartridges : de en
  • FR872095A - : fr
  • CH221278A - Method for tying two thread ends using a weaver knot on a textile machine. : de en
  • CH221401A - Device for fuel gasification in internal combustion engines. : de en
  • US2284182A - Method of treating textile fabrics : en
  • US2284455A - Pastry cutter : en
  • USD132582S - Design for a textile fabric : en
  • US2284613A - Explosionproof circuit interrupting apparatus : en
  • US2284020A - Cap retainer for dispensing tubes : en
  • US2284318A - Universal web guide : en
  • US2284111A - Hydraulic pump or motor : en
  • US2283906A - Sewage meter : en
  • US2284428A - Electricity meter : en
  • US2284456A - Washing apparatus : en
  • US2284330A - Valve mechanism for reversing furnaces : en
  • US2284587A - Regulation of blowers : en
  • CA405037A - Shoulder strap pad : en fr
  • US2284222A - Method of mounting fastening devices : en
  • US2284095A - Impression member : en
  • CH221482A - Handbag hanger. : de en
  • US2284108A - Spring seat : en
  • DE721245C - Lightweight construction element composed of nested tubes : de en
  • US2284438A - Combination sash balance and weather strip : en
  • CH221470A - Device for ultra-high frequency vibrations provided with at least one discharge tube. : de en
  • PL30526B1 - Patent-Treuhand-Gesellschaftfiir elektrische Gliihlampen m, d, H ;, Electric low pressure mercury lamp, containing an inert gas and equipped with an oxide bulb : en pl
  • CA404998A - Blowpipe : en fr
  • CA405000A - Earth and rock formation treating method : en fr
  • CA405024A - Journal box : en fr
  • US2284289A - Photoelectric signaling system : en
  • CH221302A - Process for obtaining a yeast from brewer's yeast which is particularly suitable as a food and vitamin source. : de en
  • US2283947A - Device for the production of metal band joints : en
  • US2284373A - Machine for connecting leads of armature coils to commutators : en
  • USPP524P - rose plant : en
  • CH221524A - Throwing in at self-sellers for coins of different values. : de en
  • DE721206C - Switching device for gear change transmissions of motor vehicles : de en
  • DK59808C - Pine Grate for Ovens Burning of Pork Bodies. : da en
  • CH221396A - Reversible, supercharged two-stroke internal combustion engine. : de en
  • CH221426A - Contact device for periodic switching. : de en
  • PL30591B1 - A method of producing opaque, almost white and colorable layers on objects made of aluminum and aluminum alloys : en pl
  • GB545475A - Improvements in and relating to truing devices for wood planing machines : en
  • AU135741A - Improvements inthe manufacture of aircraft andother structures : en
  • US2284206A - Safety switch : en
  • US2284183A - Mechanically animated artificial bait : en
  • US2284302A - Support for wires : en
  • US2284107A - Thiefproof cap for tanks : en
  • US2284552A - Boot rack : en
  • US2284565A - Chain : en
  • USD132524S - Design for a brooch or similar article : en
  • US2283990A - Drum type dehumidifier : en
  • US2284351A - Electric deseaming : en
  • PL30579B1 - : en pl
  • AU112341A - Improvements in disc cultivators and like implements : en
  • CH221386A - Pump. : de en
  • DE721060C - Process for the preparation of resinous condensation products : de en
  • CH221373A - Nitrided machine part. : de en
  • US2284118A - Aminomethyl derivatives of p-hydroxybenzoic acid salts and amides : en
  • US2284196A - Hedge trimmer : en
  • US2284277A - Quick drying intaglio marking composition : en
  • GB545473A - Improvements in or relating to low temperature carbonization processes and the products obtained thereby : en
  • US2283953A - Shoemaking machinery : en
  • US2284096A - Roasting apparatus : en
  • US2284314A - Clamp : en
  • US2284449A - Vise jaw attachment : en
  • US2284008A - Audible meter : en
  • US2284520A - Process and apparatus for producing rubber articles : en
  • CH221262A - Device for heating water on gas stoves. : de en
  • USD132560S - Design for a vase : en
  • US2284546A - Refrigeration apparatus : en
  • USD132517S - Design for a textile fabric : en
  • US2284199A - Torque transmitting slip joint : en
  • PL30525B1 - The method of calibrating the holes in the wheels, especially in the wheels for mine cart sets, on the rings of rolling bearings : en pl
  • US2283929A - Hydraulic tie puller : en
  • US2284019A - Labeling apparatus : en
  • BE445206A - : en fr
  • CA405053A - Rubber isomer production : en fr
  • FR872008A - Notebook for a new method of shorthand with unparalleled speed : en fr
  • CA405002A - Laminated metal article manufacture : en fr
  • US2284179A - Radio receiver control device : en
  • US2284440A - Eave trough protector : en
  • US2284045A - Ammeter : en
  • US2284062A - Vat dyestuffs of the phthaloyl carbazole series : en
  • US2284066A - Puncturing device for containers : en
  • US2284190A - Protective insulation for linemen : en
  • US2284139A - Rotary power unit including means and method for controlling same : en
  • GB545454A - Improvements in or relating to methods of making arcuatelycurved metal articles : en
  • FR872143A - Recovery of tars and volatile products from the distillation of wood in non-hermetically sealed furnaces : en fr
  • DE721241C - Process for dewaxing mineral oils and tars in two stages : de en
  • GB545416A - Improvements in new ethers and their sulphonated derivatives : en
  • CH221246A - Process for manufacturing agglomerates, and product obtained by this process. : en fr
  • CH221473A - Radio receiver with waveband switch. : de en
  • CA405044A - Window glazing device : en fr
  • PL30569B1 - N. V. Philips' Gloeilampenfabrieken, Eindhovcn Uapa โ€ข kktrycsM o kiBra srttlacfe iwUtfa : en pl
  • CH221484A - Sled whose body is mounted on sledges in the form of skis, with guide front end secured to a shaft located in the median longitudinal plane of the sled. : en fr
  • US2284300A - Boxing glove : en
  • USD132522S - Design for an urn : en
  • DE721244C - Large-format single-handed brick : de en
  • US2284284A - Treatment of rubber : en
  • FR872040A - Device comprising a variable resistor for t. s. f., etc. : en fr
  • US2283973A - Antisiphonic flush valve and silencer : en
  • US2284295A - Rotary hydraulic machine : en
  • US2284429A - Feeding mechanism for printing presses : en
  • US2283938A - Antenna system : en
  • US2283908A - Display device : en
  • AU325641A - Improvements in and relating to electric power distribution : en
  • US2283950A - Merchandise package : en
  • DE721213C - Emergency closure made from floating dam beams : de en
  • US2284134A - Honing device : en
  • GB545410A - Improvements in or relating to gelatin dynamites : en
  • GB545474A - Improvements in or relating to a dimpling machine : en
  • DK59797C - Procedure for the preparation of readily soluble double compounds of the xanthine series. : da en
  • FR872014A - Variable ratio friction disc speed change : en fr
  • FR872059A - Process for converting hydrogen sulphide gas to sulfur by partial combustion of hydrogen sulphide with oxygen or air and transformation using contact materials : en fr
  • GB545462A - Improvements in television apparatus : en
  • PL30603B1 - : en pl
  • US2283941A - Welding apparatus : en
  • US2284249A - Boom swing mechanism for concrete mixers : en
  • US2284597A - Safety switch : en
  • US2284511A - Meter seal : en
  • CH221468A - Optical display device for electrical voltages. : de en
  • CA404965A - Clothes wringer : en fr
  • US2284115A - Armature winding machine : en
  • US2284383A - Thermostatic control device : en
  • US2284473A - Multiple motor drive for aircraft propellers : en
  • GB545415A - New esters and their sulphonated derivatives : en
  • USD132568S - Design fos a cigarette dispenser : en
  • USD132538S - Design for an embroidered lace medallion : en
  • DE721167C - Means for attenuating the interference present in a shielded motor vehicle radio system : de en
  • FR872141A - Heating belt with extended general thermal action : en fr
  • FR872149A - Improvements in the manufacture of hollow objects from plastics : en fr
  • US2284489A - Apparatus for the manufacture of : en
  • BE445312R - Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products : en fr
  • FR872053A - Skinning knife : en fr
  • FR872148A - Bicycle frame : en fr
  • DE721149C - Calculating machine with several counters : de en
  • US2284009A - Loose leaf binder : en
  • US2284170A - Oil well tool : en
  • US2284281A - Synthetic rubberlike material from 1-cyanobutadiene-1,3 and butadienes-1,3 : en
  • CA404966A - Synthetic resin moulding powder : en fr
  • CH221284A - Shank holders for looms. : de en
  • DK59817C - Detachable Bicycle Bag or Detachable Bicycle Magazine. : da en
  • CH221323A - Form set. : de en
  • CA404969A - Coating composition : en fr
  • USD132584S - Fabric or similar article : en
  • USD132577S - Design for a pencil sharpener : en
  • CH221402A - Installation for the introduction of oil vapors and humid air into the intake pipe of an explosion engine. : en fr
  • US2284017A - Typewriting machine : en
  • FR872145A - New presentation and process for obtaining aperitifs of less than 16 deg, in particular aniseed aperitifs : en fr
  • US2283971A - Springing for railway trucks : en
  • US2284175A - Road material distributor : en
  • US2284485A - Brake shoe : en
  • AU301641A - Improvements relating to screw-cutting lathes : en
  • CH221264A - Sewing frame with boxes that are arranged one above the other and swing out horizontally. : de en
  • USD132564S - Design for a ski mitt : en
  • CH221412A - Cooling system with periodically acting absorption chiller. : de en
  • CH221336A - Bolt for automatic weapons. : en fr
  • PL30581B1 - : en pl
  • BE445088A - Postage stamp tabs : en fr
  • AU115133B2 - Improvements in or relating to electron discharge devices for operation at very high frequencies : en
  • CA405006A - Fire extinguishing nozzle : en fr
  • US2284050A - Grinding machine : en
  • US2284548A - Grinding mill : en
  • PL30572B1 - Device for reducing idle voltage of the transformer, especially when used to supply an electric arc : en pl
  • DE721194C - Charging device for heating or cooking ovens to be heated with green coke : de en
  • GB545443A - Improvements in or relating to colour photographic processes : en
  • US2284032A - Match package : en
  • CH221452A - Directly heated cathode, especially for cathode ray tubes. : de en
  • FR872023A - Gas mixer for supplying an engine : en fr
  • DE721179C - Avoiding the aging of fiber clay gel : de en
  • FR872132A - Improvements to metal pipe fittings : en fr
  • DE721221C - Process for the production of aromatic hydrocarbons : de en
  • FR872021A - Box for wind refining in steel production : en fr
  • PL30558B3 - : 10 ': 10': 10 ' : en pl
  • PL30532B1 - "Pertrix" Chemische Fabrik Aktien-Gesellschaft, Berlin Portable electric torch : en pl
  • PL30573B1 - : en pl
  • DE721235C - Intercom with a three-electrode tube : de en
  • CH221392A - Device for slowly rotating steam turbine shafts during breaks in operation. : de en
  • CH221394A - Process for supplying an internal combustion engine and installation for implementing this process. : en fr
  • US2283958A - Portable sawing apparatus : en
  • US2284255A - Choke : en
  • CH221405A - Mixing device. : de en
  • US2283962A - Rimming machine : en
  • US2284580A - Well drilling bit : en
  • CA404944A - Electrical cord carrier : en fr
  • US2284532A - Portable winch : en
  • US2283944A - Apparatus for facsimile telegraphy : en
  • US2284352A - Seat : en
  • US2284091A - Phonograph record : en
  • CH221283A - Spool sensor device for multi-guard looms. : de en
  • US2284394A - Toolholder : en
  • SE104599C1 - : en
  • US2284270A - Method and apparatus for grading and individually freezing various articles : en
  • PL30585B1 - : en pl
  • CH221507A - Device for assembling scaffolding bars. : en fr
  • CA405014A - Disc plough : en fr
  • FR872134A - Precision calibration instrument with electric indicator : en fr
  • US2284298A - Servo system for airplanes and other vehicles : en
  • DE721181C - Anchoring continuously welded rapid transit rails in a concrete bed : de en
  • DK59805C - Friction joint for a freely projecting support arm, especially for electric work lamps. : da en
  • US2283991A - Separation of sulphuric acid from carboxylic acids : en
  • US2284082A - Bimetallic element : en
  • US2284596A - Rotary feeder for nail-making machines : en
  • US2284002A - Composition and method : en
  • GB545457A - Improvements in heat operated refrigerating apparatus : en
  • FR872070A - Terminal block : en fr
  • CH221391A - Gap sealing device on the heads of the blading of turbomachines, especially steam turbines. : de en
  • CH221481A - Device for advertising. : en fr
  • DE721193C - Soap holder made of two frames that can be swiveled against each other : de en
  • FR872068A - Installation process for composite cables for overhead lines : en fr
  • GB545496A - Wetting, emulsifying, dispersing and cleansing agents : en
  • US2283952A - Electric vaporizer : en
  • US2284180A - Securing device, particularly for such parts as aircraft cowlings and the like : en
  • US2284189A - Brake control mechanism : en
  • BE445069A - Lining for rotating tubular : en fr
  • US2283930A - Means for and method of assembling metallic articles and the like for shipment : en
  • USD132546S - Picture carrying service plaque : en
  • US2284534A - Lighting fixture : en
  • USD132567S - Design for a sachet : en
  • US2284413A - Hydraulic system : en
  • GB545460A - Improvements in or relating to cages for use in roller bearings : en
  • US2284509A - Torque amplifier : en
  • CA405051A - Inverted gear spanner : en fr
  • DE721187C - Adhesive : de en
  • CH221399A - Injection device for internal combustion engines. : de en
  • CH221434A - Process for the production of mass cores. : de en
  • DK59809C - Handle of ceramic material. : da en
  • BE445082A - : en
  • CH221290A - Completely separable zipper. : de en
  • CH221377A - Hollow body for gases of high temperature. : de en
  • CH221357A - Foundry mold and method of manufacturing this mold. : en fr
  • CH221400A - Magneto ignition. : en fr
  • DE721111C - Rohrrรผcklaufgeschuetz : de en
  • CA405018A - Floor polisher : en fr
  • US2283910A - Automatic three-way valve control for steam heating systems : en
  • USD132549S - Design fob a hair curler : en
  • CH221403A - Device for cooling the lubricating oil in an air-cooled automobile engine. : de en
  • CH221465A - Receiving arrangement for AC telegraphy. : de en
  • USD132547S - gottfried : en
  • USPP523P - Rose plant : en
  • US2283960A - Fish lure : en
  • US2284148A - Antishimmy device : en
  • US2284057A - Pot for use in heat treating bundles of wire : en
  • US2284594A - Air and water tight watch stem : en
  • GB545468A - Weather resistant transparent or translucent material : en
  • CH221238A - Air heater. : en fr
  • CH221350A - Shaped box, waterproof, for watch. : en fr
  • DE721145C - Spring insert made of intertwined springs : de en
  • DE721224C - Sliding grate for dry gas meter : de en
  • FR872117A - Device for assembling thin non-drilled sheets using countersunk rivets : en fr
  • CH221277A - Compound drafting system for roving machines. : de en
  • CH221523A - Process for the preparation of a new ester. : de en
  • US2284396A - Gauging and sampling apparatus fob : en
  • US2284407A - Vibrator inverter system : en
  • US2284519A - Airplane : en
  • CA405003A - Display card : en fr
  • CH221244A - Air humidifier. : de en
  • US2284487A - Photographic film magazine and feeding means, particularly for photorecording cameras : en
  • USD132583S - Design for a textile fabric : en
  • US2284100A - Nonfibrous films : en
  • CH221325A - Method for producing a closure on containers, in particular those for scattering powder. : de en
  • US2284418A - Watch : en
  • US2284553A - Paper waxing machine : en
  • CH221493A - Rain protection device on bicycles. : de en
  • PL30534B1 - : en pl
  • US2284256A - Card game : en
  • US2283899A - Pipe clamp : en
  • US2284034A - Expanding fishhook : en
  • US2284301A - Breaker strip construction : en
  • US2284442A - Locomotive control system : en
  • USPP521P - lammerts : en
  • CA405032A - High voltage electrostatic apparatus : en fr
  • US2284193A - Friction coupling : en
  • US2284354A - Breather : en
  • FR872031A - Process for obtaining phosphoric acid fertilizer and so2 : en fr
  • DE721159C - Stem with wave swallowing pockets for ships : de en
  • US2284240A - Rail for overhead monorail carrier systems : en
  • US2284474A - Lubricated hook for sewing machines : en
  • DK59816C - Saddle, especially for Bicycles and Motorcycles. : da en
  • GB545422A - Treatment of cellulose derivative yarns and fabrics containing them for the purpose of improving delustring and crepeing : en
  • US2283916A - Welding : en
  • GB545485A - Improvements in and relating to nut members : en
  • FR872048A - : fr
  • FR872109A - Multiple combination switch : en fr
  • US2283902A - Master alloy : en
  • US2284292A - Portable burglar alarm : en
  • US2284401A - Modulation circuit : en
  • GR9872B - METHOD OF PRODUCTION OF EDIBLE OIL. : el en
  • USD132553S - Design for a golf club head : en
  • US2284236A - Developing process : en
  • DE721169C - Protective device against repeated, incorrect switching on of remote-operated switches : de en
  • DE721253C - Process for cleaning technical zinc lye : de en
  • FR872106A - Manufacturing process of articles in iron and steel alloys, which must have a high durability : en fr
  • FR872073A - Compressed air blow switch : en fr
  • GB545495A - Improvements in metal bending machines : en
  • PL30592B1 - Emil Witzenmann, Pforzheim Tire for motor vehicles : en pl
  • US2284507A - Self-attached spring for key holding hooks : en
  • USRE22100E - Reversed cycle heating system : en
  • US2284607A - Method of dewaxing oil : en
  • US2284257A - Device for feeding rods or tubes in grinding machines or the like : en
  • USRE22102E - Heavy duty vehicle : en
  • BE445232A - : en
  • US2284198A - Universal joint : en
  • US2284229A - Metal wall building construction : en
  • US2284342A - Food strainer : en
  • US2284018A - Permanent binding post : en
  • US2284109A - Hydraulic pump or motor : en
  • US2284503A - Apparatus for continuous casting : en
  • USD132540S - Design for a garment hanger : en
  • US2284391A - Flue cleaner : en
  • CH221286A - Process for the production of stockings and stocking produced by this process. : de en
  • CH221411A - Pressure-fired steam generator with loading group. : de en
  • DE721108C - Automatic distribution and control device for pressure medium brakes for vehicles : de en
  • US2284071A - Sheet separator : en
  • US2284276A - Quick drying intaglio marking composition : en
  • US2284343A - Weather strip and sash balance : en
  • US2284130A - Boiler feed control : en
  • US2284171A - Package : en
  • US2284272A - Process for sweetening light petroleum distillates : en
  • US2283959A - Internal combustion engine : en
  • US2284297A - Shirt collar : en
  • US2284320A - Hinge guard : en
  • PL30540B1 - : en pl
  • CH221346A - Grounding knife. : de en
  • CH221348A - Method and device for correcting distortions in light tone recordings in sprout script. : de en
  • AU115143B2 - Improvements in apparatus used in washing articles such as milk cans andthe like : en
  • CH221364A - Milling machine. : de en
  • CH221509A - Wood gasifier. : en fr
  • DE721237C - Short-circuit protection in power distribution systems : de en
  • GB545417A - Electricity conductor units : en
  • GB545420A - Improvements in or relating to guide means and work holders for sawing machines, and sawing machines including the improved guide means and work holders : en
  • PL30524B1 - Method for producing tensile rovings by stretching and tearing fibrous tapes endlessly : en pl
  • CA404961A - Alloy : en fr
  • CH221230A - Infeed and eject device on threshing drums. : de en
  • PL30567B1 - Radioaktiengesellschaft D. S. Loewe, Berlin-Steglitz. A beam cathode ray tube lamp, especially for television purposes and its circuitry : en pl
  • US2283934A - Lamp socket : en
  • US2284504A - Composite laminated plate stock : en
  • CH221258A - Process for removing tar from the walls of a heating device. : en fr
  • DE721115C - Objects made of specifically heavy enamel : de en
  • FR872105A - Quiet, especially for internal combustion engines : en fr
  • GB545440A - Improvements in television systems : en
  • PL30595B1 - A method for pretreating electrically purified gases and an apparatus for carrying out the method : en pl
  • CA404987A - Temperature controlled valve : en fr
  • US2284075A - Snow tractor : en
  • USD132558S - Design for a dress : en
  • US2283949A - Folder : en
  • US2283984A - Wrench : en
  • US2284392A - Electrical connector : en
  • CH221301A - Installation with automatic and continuous loading and transport, for the treatment of rice. : en fr
  • US2284462A - Electrical connector assembly : en
  • GB545426A - Improvements relating to composite articles of glass and metal : en
  • FR872088A - Improvement in wood carbonization furnaces : en fr
  • GB545470A - Improvements in and relating to apparatus for producing a ground or polished continuous strip of glass : en
  • US2284357A - Dual wheeled vehicle : en
  • DE721242C - Handle for vacuum cleaner : de en
  • PL30588B1 - : en pl
  • FR872036A - Process for producing colored layers by etching on molded parts, in particular injection molded parts, of magnesium alloys : en fr
  • US2284049A - Optical observation instrument : en
  • DE721107C - Device for automatically dropping bombs hung vertically in a row from aircraft : de en
  • AU315941A - Awning : en
  • BE445128A - : en fr
  • US2284513A - Ash arrester : en
  • US2284475A - Radio direction finding system : en
  • USD132580S - Design fou a vestee with detachable : en
  • US2284267A - Stabilization of nonviscous cracked petroleum distillates : en
  • CA404947A - Mobile fire pumper : en fr
  • CA405025A - Liquid cooler : en fr
  • US2284560A - Sampling-proportioning device : en
  • US2284609A - Treatment of fibrous materials : en
  • CH221312A - Procedure for the preparation of keto steroids. : de en
  • CH221522A - Process for the preparation of p-amino-benzenesulfo-2-amino-4-methyl-thiazole. : de en
  • US2284132A - Electric ironing device : en
  • US2284155A - Food mixer : en
  • US2284537A - Fishing apparatus : en
  • DE721142C - Ruettelforming machine : de en
  • US2284245A - Multiple axle mounting for trailers : en
  • USD132569S - Design fos a liquid gas tank : en
  • PL30515B1 - A device for the automatic regulation of the braking action of motor vehicles : en pl
  • US2284059A - Heating system valve : en
  • US2284225A - Dispensing cabinet : en
  • USD132528S - Banner or similar article : en
  • US2284579A - Vulcanization of rubber : en
  • CA404940A - Master alloy production : en fr
  • US2284306A - Sound recording and reproducing system : en
  • AU115147B2 - Improvements relating to screw-cutting lathes : en
  • CH221381A - Machine working with hydraulic fluid. : de en
  • DE721133C - Counter or distribution board : de en
  • GB545512A - Improvements relating to stationery containers or envelopes : en
  • CH221406A - Device for adjusting valves, slides and similar regulating organs. : de en
  • US2284128A - Tool and blade holder : en
  • US2284246A - Gear shifting mechanism : en
  • US2284123A - Fluid coupling : en
  • US2284435A - Apparatus for producing cooked casein : en
  • US2283919A - Art of radiometeorography : en
  • US2284535A - Sharpening or honing appliance : en
  • US2284568A - Oil burner starter : en
  • GB545455A - Improvements in or relating to conduit joints : en
  • CA405064A - Seat or couch : en fr
  • US2284495A - Electron tube mount of the shielded element type : en
  • CA405005A - Drying apparatus : en fr
  • DE721255C - Diverter switch with energy storage drive and knee joint polygon for step transformers : de en
  • FR872062A - Manufacturing process for lampshades and other similar objects : en fr
  • DE721222C - Process for the production of therapeutically usable dry preparations : de en
  • DE721171C - Extinguishing spark gap for surge arrester with magnetic field for spark extinction : de en
  • DE721188C - Additional device for circular knitting machines with rotating cylinder : de en
  • FR872125A - Hydromotor : en fr
  • US2283921A - Apparatus for molding pipe : en
  • US2283967A - Beverage apparatus : en
  • US2284046A - Fluorescent lamp : en
  • US2283985A - Shutoff nozzle : en
  • DE721053C - Production of elemental sulfur through a reaction between hydrogen sulfide and sulfur dioxide : de en
  • DE721261C - Method for starting air-compressing internal combustion engines : de en
  • DE721018C - Single-phase or multi-phase machine with square frame plates : de en
  • US2284264A - Fuel burner : en
  • US2284370A - Cable bushing : en
  • PL30511B1 - Aktien-Gesellschaft fur Stickstoffdunger, Knapsack Furnace for the production of calcium carbide and the method of feeding it : en pl
  • USD132585S - Design for a box or similar article : en
  • US2283933A - Apparatus for applying clips : en
  • US2283978A - Coaster : en
  • US2284599A - Multiple fuse : en
  • US2284084A - Glow discharge lamp : en
  • USD132527S - Design for a brooch or similar article : en
  • DE701380C - Procedure for balancing resistances : de en
  • US2284583A - Process for treating hydrocarbon oils with light hydrocarbons : en
  • US2284116A - Side loading hearse mechanism : en
  • US2284164A - Arch support : en
  • DE721185C - Brush holders for electrical machines : de en
  • FR872010A - Tap : en fr
  • CH221250A - Filling head for gas generators. : de en
  • GB545429A - Improvements relating to the manufacture of moulded goods : en
  • CH221389A - Radial centrifugal machine with several axially offset blade levels. : de en
  • GB545467A - Improvements in or relating to the manufacture of shotgun cartridges : en
  • GB545480A - Improvements in or relating to the construction of fuel filters suitable for use on aircraft : en
  • CH221305A - Process and device for the extraction of volatile substances from a solution with simultaneous thickening of the solution by evaporation. : de en
  • DE721199C - Accelerometers and decelerometers, in particular for motor vehicles : de en
  • USD132543S - Design for a handbag : en
  • AU115171B2 - Improved mop : en
  • BE445363A - : en
  • US2284144A - Voting machine : en
  • US2284024A - Tape-actuated reproducer and light gate therefor : en
  • GB545419A - Manufacture of sulphonamido-thiazole compounds : en
  • GB545494A - Improvements in or relating to hand-knitting devices : en
  • US2283923A - Refrigerating apparatus : en
  • FR872029A - Boiler with tank hearth : en fr
  • FR872104A - Manufacturing process of welded tubes, lined with a cladding on one side or on both sides : en fr
  • DE721150C - Mobile sprayer for pest control : de en
  • GB545482A - Automatic reclosing circuit breaker operating mechanism : en
  • US2284244A - Process and apparatus for winding filaments : en
  • US2284233A - Power transmission : en
  • US2284431A - Engine starting apparatus : en
  • CH221450A - Arrangement to improve the operation of power converters. : de en
  • CH221332A - Device for fixing a paper on a flat support. : en fr
  • DE721178C - Quenching of alumina hydrate : de en
  • DE721183C - Overcurrent switch with zero voltage release for three-phase current : de en
  • PL30529B1 - : en pl
  • DE721263C - Process for the production of odorless feed from fish : de en
  • US2284378A - Deflecting circuit : en
  • CH221361A - Device for producing profile edges on metal sheets. : de en
  • US2283926A - Coupling method and apparatus : en
  • USD132533S - Design for a stirrup pump : en
  • GR9874B - METHOD OF PREPARATION AND PROCESSING OF RESIN SOAP IN THE FORM OF AUTHORITY OR MIXING WITH ANOTHER NON-FAT SUBSTANCE. : el en
  • GB545497A - Machine for washing and peeling potatoes, turnips and other produce : en
  • CH221254A - Gas generator. : de en
  • GB545456A - Improvements in or connected with fire-places for buildings : en
  • FR872007A - Oxy-cutting torch holder trolley : en fr
  • CH221351A - Wristwatch box. : en fr
  • CH221414A - Fridge. : de en
  • CH221421A - Electrical apparatus with an insulating viscous mass. : de en
  • DK59802C - Remote control device for Switches in Radio Receivers. : da en
  • FR872060A - Device for the strengthening of torque : en fr
  • US2284000A - Method of making molds : en
  • US2284036A - Method and apparatus for exhausting and filling discharge devices : en
  • US2284168A - Adjustable retractable tool : en
  • US2284526A - Postal scale : en
  • GB545498A - Improvements in hangers for articles such as clothes : en
  • FR872124A - locknut with wedge : en fr
  • FR872033A - Electric lighter : en fr
  • DE721128C - Method and device for the uninterrupted operation of various types of paper converting machines operating at different speeds : de en
  • US2284064A - Amplifier : en
  • US2284329A - Telephone system : en
  • US2284528A - Sweeper brush : en
  • CA405039A - Railway traffic remote control system : en fr
  • DE721272C - Process for the production of tension springs from round or profile steel wire : de en
  • US2283964A - Electrical dust precipitator : en
  • US2284174A - Matchbook holder : en
  • US2284313A - Steam puff iron : en
  • DE721268C - Blast pump with plungers arranged next to each other in a carrier : de en
  • CH221245A - Electrode steam boiler. : de en
  • US2284410A - Adjustable end slide grille : en
  • US2284490A - Gravity conveyer : en
  • FR872071A - Insecticide : en fr
  • DE721259C - Theater construction : de en
  • US2284185A - Alarm signal system : en
  • US2284080A - Motor fuel adjuvant : en
  • US2284450A - Food cooking device : en
  • PL30601B1 - Method for fractionated cellulose hydrolysis : en pl
  • CH221267A - Filter for filtering coffee. : de en
  • CH221477A - Photoelectric cathode and process for its manufacture. : de en
  • US2283966A - Slack adjuster for brakes : en
  • US2283979A - Valve action : en
  • US2284237A - Industrial truck : en
  • CH221274A - Drafting system. : de en
  • CH221239A - Low pressure steam radiator. : de en
  • CH221270A - Method for encapsulating vessels, in particular canning jars. : de en
  • CH221319A - Mixture capable of setting or hardening when hot and under pressure. : en fr
  • CH221489A - Weather protection on passenger cars. : de en
  • CH221435A - Ignition device for metal vapor converters. : de en
  • CA404983A - Cyclohexane oxidation : en fr
  • PL30543B1 - : en pl
  • FR872120A - Process for sensitizing emulsions based on silver halides, especially emulsions with a high silver chloride content : en fr
  • CA404951A - Adjustable seat : en fr
  • CA405043A - Telephone system : en fr
  • CH221349A - Membrane holder with the aid of band-shaped supports, in particular for loudspeakers. : de en
  • FR872011A - Method of controlling the reduction potential by photometry of the negative : en fr
  • DE721109C - Elastic wheel : de en
  • US2283905A - Switch handle : en
  • PL30513B1 - Otto Florian, Stuttgart ft S. Ao A (Q / o Dough kneading machine : en pl
  • US2284362A - Reversible drive : en
  • US2284291A - Fuse construction : en
  • CH221427A - Audio frequency remote control system. : de en
  • US2284444A - Demodulation circuit : en
  • FR872066A - Installation of an explosion turbine with cooled nozzle blades : en fr
  • CH221342A - Fixed frame for aircraft direction finder. : en fr
  • CH221480A - Sifflet bracelet. : de en fr
  • PL30605B1 - : en pl
  • US2283945A - Discharge valve : en
  • US2284127A - Esters of polyglycerol : en
  • PL30553B1 - : en pl
  • CA404994A - Lamp assembly : en fr
  • DE701012C - Completely separable zipper : de en
  • DK59796C - Procedure for the production of neutral sulfonic acid salts. : da en
  • AU36741A - Improved apparatus for extracting oil from shale andthe like carbonaceous materials : en
  • CA405034A - Typewriter : en fr
  • US2284420A - Method of feeding glass making batches : en
  • USD132511S - Design for a stuffed toy or simolar article : en
  • US2284382A - Garment : en
  • US2284564A - Fishing sinker : en
  • GB545504A - Improvements in or relating to fuel tanks for aircraft : en
  • AU294741A - Process for producing transparent sheets having a heat-sealable coating, andthe products produced : en
  • DK59813C - Gasket for Pipe bushings in Floor Separations and Partitions. : da en
  • FR872024A - Improvements in the manufacture of shoe soles : en fr
  • FR872111A - Extruder for the production of tubes and tubular profiles in light metal alloys : en fr
  • CH221281A - United warping and beaming machine. : de en
  • CH221297A - Transportable additional oven for heating wood ovens with coal. : de en
  • CH221314A - Process for the preparation of optically active components from racemic compounds which are derived from ฮฑ, ฮณ-dioxy-B, B-dimethylbutyric acid. : de en
  • CH221454A - Process for the high vacuum tight sealing of two-part vacuum vessels made of inorganic insulating material. : de en
  • DE721054C - Process for the preparation of alkylated aromatic sulfonic acids : de en
  • US2284380A - Throttle control device : en
  • US2284172A - Damming device : en
  • PL30536B1 - : en pl
  • PL30599B1 - : en pl
  • US2284486A - Focal plane camera shutter and flash synchronizer : en
  • DE721211C - Arrangement for the treatment of substances in an electrical high frequency field : de en
  • FR872096A - : fr
  • FR872135A - Photographic lens : en fr
  • CA405063A - Cellulose derivative shaped material : en fr
  • CH221304A - Product that can be used as a coffee substitute or additive. : de en
  • CA404960A - Electrical conductor : en fr
  • CA405007A - Steam generator : en fr
  • DE721137C - Device for controlling a reversing converter : de en
  • GB545513A - Improvements relating to grass or hay lifters : en
  • CA405015A - Welding rod : en fr
  • CH221234A - Set of stones for installation in a wall for the wall-side storage of a net bar of a scaffolding. : de en
  • CH221287A - Electric iron. : de en
  • US2284153A - Weather strip : en
  • US2284367A - Combined lamp socket and switch : en
  • CH221237A - Snow blower. : de en
  • CH221367A - Carpentry and building board. : de en
  • GB545509A - Improvements in and relating to tubular rivets : en
  • CA404974A - Gas pressure cartridge packaging method : en fr
  • US2284125A - Electrical door interlock : en
  • US2284530A - Bushed transformer terminal : en
  • FR872016A - Air-cooled electron tube : en fr
  • CH221251A - Method for operating internal combustion engines with gas generators. : de en
  • CH221294A - Wooden shoe. : de en
  • US2284260A - Method of making sealing supports for tool joints : en
  • CA405049A - Crepe yarn : en fr
  • US2284110A - Hydraulic pump or motor : en
  • CH221430A - Switching device for reversible motors. : de en
  • US2284141A - Suction fan unit : en
  • US2284359A - Coffee maker : en
  • BE445267A - : en fr
  • CA405008A - Vapour generator : en fr
  • US2284252A - Liquid dispensing device : en
  • CA404988A - Temperature control system : en fr
  • CH221295A - Shoe. : de en
  • CH221491A - Disc wheel with pneumatic tires, especially for horse drawn carriages. : de en
  • US2284205A - Truss construction : en
  • US2284303A - Press construction : en
  • US2284014A - Direct fired cylindrical bell type furnace : en
  • US2284399A - Apparatus for the manufacture of artificial materials : en
  • CH221285A - Threader for sewing needles. : de en
  • USD132530S - Design fob a cooky : en
  • USD132535S - Design for a lapel button oe similar article : en
  • US2284247A - Radio signaling system : en
  • DE719592C - Sighting device for firearms : de en
  • US2284404A - Switch for lathes : en
  • CH221518A - Process for the preparation of a salt of a derivative of p-aminobenzenesulfonamide. : de en
  • FR872038A - Air cell parts for load-bearing walls : en fr
  • FR872112A - Irregular thickness fabric for multiple uses : en fr
  • DE720847C - Cantilevered linear antenna : de en
  • DE721094C - Method for the detection of warfare agents, in particular dichloroethyl sulfide : de en
  • US2284216A - High pressure union : en
  • US2284251A - Clutch shifting mechanism : en
  • GB545490A - Improvements in or relating to absorption refrigerating systems : en
  • US2284571A - Oscillating chair : en
  • GB545445A - Improvements in electron discharge devices : en
  • DK59798C - Drive Trolley for the Paper Trolley in Typewriters, Calculators or Accountants. : da en
  • GB545448A - Improvements in and relating to colour forming developers and processes of colour development : en
  • US2284250A - Interlocking mechanism for power transmissions : en
  • US2284334A - Exhaust device for internal combustion engines : en
  • DE721218C - Device for charging horizontal chamber coking ovens with compressed coal cakes : de en
  • US2284047A - Transmission : en
  • US2284478A - Lightning arrester, plunger type : en
  • DE721249C - Process for producing corrected partial color photographic extracts : de en
  • FR872128A - Battery-type image decomposition tube having an auxiliary electrode for removing interfering electronic discharges : en fr
  • US2284393A - Hanger shelf : en
  • US2284547A - Electrical device : en
  • US2284280A - Synthetic rubberlike materials from 1-cyanobutadiene-1,3 and 2-chlorobutadiene-1,3 : en
  • PL30542B1 - : en pl
  • US2284577A - Vulcanization of rubber : en
  • GB545428A - Improvements relating to sheet material and its manufacture : en
  • US2283927A - Control apparatus : en
  • US2283993A - Production indicating apparatus : en
  • US2284097A - Continuous electrical outlet : en
  • US2284120A - Spinning line guide : en
  • US2284437A - Snap switch : en
  • US2284003A - Table leaf support operating means : en
  • US2284161A - Air conditioning apparatus : en
  • USD132561S - Design for a smoking pipe : en
  • US2283942A - Welding apparatus : en
  • DK59812C - Plants for use in regulating internal combustion engines which are fitted with a fuel pump and which drive a propeller with reversible blades or by means of a variable gear mechanism a propeller with fixed blades. : da en
  • DE721092C - Process for making non-sliding pneumatic tires : de en
  • US2284061A - Mechanical exercising device : en
  • US2284488A - Molded chute or guide for machine gun cartridge belts : en
  • CH221228A - Device for sorting fruit u. the like : de en
  • CA404981A - Polymerization apparatus : en fr
  • CH221415A - Cold transfer device. : de en
  • CH221390A - Disc exposed to lateral overpressure as a blade carrier for centrifugal machines with radial pressure, in particular for steam or gas turbines. : de en
  • CH221499A - Lever mechanism with button contacts. : de en
  • PL30578B1 - : en pl
  • DE721165C - Rolling mill for strips, sheets and bars that are narrowed in their longitudinal direction : de en
  • CA404941A - Floor block : en fr
  • CH221447A - High pressure arc valve with several pairs of ignition shields. : de en
  • US2284231A - Electric connector : en
  • US2284379A - Ultra high frequency voltmeter : en
  • USD132575S - Duplicating machine or similar article : en
  • CA404982A - Cellulose derivative composition : en fr
  • US2284593A - Process for decolorizing solutions : en
  • PL30517B1 - : en pl
  • US2283897A - Antenna system : en
  • US2284377A - Tube forming machine : en
  • FR872037A - Process for manufacturing zirconium and alloys containing zirconium : en fr
  • CA405047A - Motor control device : en fr
  • BE445260A - : fr
  • CA404972A - Coating and film forming composition : en fr
  • PL30523B1 - : en pl
  • US2284078A - Method of making electrical heating units : en
  • US2284523A - Nitrated petroleum phenol composition : en
  • GB545431A - Improvements in or relating to trimming condensers of the rotary ceramic type : en
  • DE721157C - Photographic enlarger : de en
  • GB545469A - Improvements in or relating to the manufacture of light-sensitive photographic material : en
  • CA404995A - Brake actuator mechanism : en fr
  • AU115163B2 - Wire reinforcements for bodies and means for and methods of applying same : en
  • BE445297A - : en fr
  • CA404997A - Lock nut : en fr
  • CH221387A - Multi-stage centrifugal pump. : de en
  • DE721131C - Directional transmitter system for secret message transmission : de en
  • USD132581S - Design for a vestee with removable dickey : en
  • CH221309A - Process and device for the production of a finely divided oxide of those elements of group IVa of the periodic table which are capable of forming volatile chlorides. : de en
  • US2284371A - Parachute projectile : en
  • CH221316A - Method of manufacturing melamine. : en fr
  • CA404976A - Catalytic heat converter : en fr
  • CH221318A - Protective soap and method of making the same. : de en
  • DK59814C - Impact mill. : da en
  • US2284544A - Rupture support : en
  • USPP518P - horvath : en
  • US2284592A - Refining of mineral oils : en
  • CA404955A - Bearing seal : en fr
  • CH221500A - Seat rowing device. : de en
  • CA405048A - Composite yarn : en fr
  • FR872004A - Method of adjusting the degree of coupling between two coils coupled by induction : en fr
  • BE445143A - : en fr
  • CH221322A - Method of increasing the corrosion resistance of metals and alloys. : en fr
  • USD132552S - Automobile bumper or similar article : en
  • PL30583B1 - Keller & Knappich Gesellschaft mit beschrankter Haftung, Augsburg l Electric hand-held welding bricks for welding to the face of wires, ribbons or similar : en pl
  • DE721144C - Sofa convertible into a day bed : de en
  • CH221369A - Knee lever pressure device for injection molding machines for processing malleable masses. : de en
  • CH221492A - Parking facility on bicycles. : de en
  • CH221495A - Handlebar protectors for bicycles. : de en
  • CH221308A - Method of making a catalyst. : de en
  • CH221460A - Pressure reducer. : de en
  • US2283918A - Method of making bushings : en
  • US2284376A - Lamp holder : en
  • DK59803C - Galvanic Element and Method of Its Manufacturing. : da en
  • DE721238C - Circulating frequency reducer for supplying magnetic motors : de en
  • FR872013A - Regulating device for the fuel supply (carburetor or fuel pump) in internal combustion engines : en fr
  • US2283999A - Calculating equipment : en
  • FR872041A - Manufacturing process of hard alloys : en fr
  • GB545425A - Improvements in electric transformers : en
  • DE721120C - Tube well filter : de en
  • CH221417A - Shut-off valve for electrical collectors, especially for alkaline accumulators. : de en
  • FR872069A - Manufacturing process of high molecular weight fatty acids : en fr
  • US2284077A - Reel : en
  • US2284145A - Hitch : en
  • US2284228A - Pressure multiplying mechanism : en
  • FR872045A - Device for adjusting the mechanical tension of the contact wire of electric traction lines : en fr
  • CA405035A - Seismograph amplitude control : en fr
  • CH221240A - Boiler with shaft firing. : de en
  • DE721170C - Device for displaying the position of adjustable organs : de en
  • FR872072A - Injection device for combustion engines : en fr
  • CH221428A - Furnishing with a kinking element. : de en
  • US2283970A - Valve : en
  • CH221320A - A process for forming a protective coating against corrosion on the surface of objects made of magnesium and its alloys. : en fr
  • CH221383A - Turbine-like, multi-stage, radial pressurized compressor with intermediate cooling. : de en
  • AU113730B2 - Improvements in or relating to multiplex telephony systems : en
  • CH221494A - Seat post for bicycles. : de en
  • US2284282A - Menaphthyl cellulose derivatives : en
  • GB545483A - Means whereby insulating or other boards may be attached to t-section rails and likesupports : en
  • DE721148C - Test stand for engines, especially for high altitude engines : de en
  • CH221457A - Articulator for the manufacture of dental prosthesis devices. : en fr
  • CA404948A - Automobile suspension : en fr
  • CH221486A - Device on streamlined vehicles with an engine in the rear for supplying cooling air to the engine compartment. : de en
  • AU65140A - Improvements in or relating to multiplex telephony systems : en
  • GB545421A - Improvements in or relating to the manufacture of plastic materials : en
  • CH221307A - Process for obtaining stable aqueous emulsions of "aminoplast" resins. : en fr
  • US2284405A - High frequency apparatus : en
  • PL30548B1 - : en pl
  • PL30571B1 - Beam beam lamp and a device containing the lamp : en pl
  • US2284536A - Sheet metal cutting tool : en
  • US2284321A - Apparatus for making paper cord : en
  • US2283909A - Pyrophoric lighter : en
  • USD132566S - Design for a suit : en
  • US2284010A - Folding machine : en
  • US2284512A - Toy gun : en
  • PL30541B1 - : en pl
  • US2284266A - System for signaling by electromagnetic waves : en
  • US2284328A - Heel : en
  • US2284238A - Hoist grab : en
  • US2284307A - Method of slitting shoe soles : en
  • CA404996A - Brake actuator seal : en fr
  • CH221409A - Turbomachine impeller. : de en
  • DE721191C - Method for fixing artificial teeth by means of a slotted spring anchor ending in a cylindrical head : de en
  • GB545465A - Improvements in or relating to the recording of alternating current impulses : en
  • FR872078A - Vertical marking device, in particular for machining metal parts : en fr
  • CA405009A - Electrolytic condenser : en fr
  • FR872049A - Axially actuated brake linkage adjuster : en fr
  • FR872044A - Threaded base for electric lamps : en fr
  • FR872015A - Air-cooled internal combustion engines, in particular for vehicles : en fr
  • DE721143C - Floor treatment tool with bristles fastened in a rubber plate, especially for floor polishing machines : de en
  • DE721146C - Chute firing or heating furnace : de en
  • US2284135A - Beer dispensing system : en
  • DE721230C - Photographic camera with electric light meter : de en
  • US2284344A - Control means for motor driven skates : en
  • US2284588A - Indicating device : en
  • US2284369A - Hydrogenated cardanol and methods of making the same : en
  • US2284283A - Making paper boxes : en
  • US2284403A - Automatic means for controlling welding machines : en
  • US2284502A - Visor support : en
  • GB545506A - Improvements in or relating to electric glow discharge lamps : en
  • PL30562B1 - Manufacturing method of watertight winding covers for electric machines The patent depends on patent No. 30 559 : en pl
  • US2284248A - Manufacture of shaped particles of hydrous alkali metal silicates : en
  • US2284087A - Teapot : en
  • CA404943A - Egg pulp manufacturing machine : en fr
  • DE721130C - Device for delayed, automatic shrinkage control in receivers : de en
  • DE721102C - Device for the automatic development, fixing and washing of photographic layers : de en
  • US2284492A - Automatic duplex mechanism for spinning container closures : en
  • US2284545A - Piezoelectric device and neutralizer : en
  • CH221455A - Gas tap for Reichgas single burner. : de en
  • US2284015A - Railway traffic controlling apparatus : en
  • US2284031A - Display device for photo prints or the like : en
  • DE682085C - Application means for drive belts : de en
  • US2284052A - Rolling closure structure : en
  • DE720829C - Process for the preparation of sugar derivatives of polyphenylaethane and polyphenylaethylene compounds with steroid hormone action : de en
  • GB545516A - Improvements in kneading, mixing, mincing or like machines for kitchen use : en
  • PL30566B1 - Allgemeine Elektricitats-Gesellschaft, Berlin Three-phase transformer with partially or fully split paths in iron with compensation of fifth harmonics in magnetizing current : en pl
  • US2283936A - Track for track-laying vehicles : en
  • US2284081A - Lock nut : en
  • FR872002A - Device for mobile microscope stage : en fr
  • GB545488A - Improvements, in and connected with electric switches of the intermediate type : en
  • US2284345A - Method and apparatus for geophysical prospecting : en
  • PL30522B1 - Vereinigte Aluminumwerke Aktiengesellschaft, Lautawerk, Lausitz 'and Siemens-Schuckertwerke Aktiengesellschaft, Berlin-Siemensstadt Electric cable with seamless pressed aluminum jacket : en pl
  • PL30606B1 - A method of making metal rods and the like with increased strength : en pl
  • CA404956A - Work-handling mechanism : en fr
  • CA404991A - Cable connector : en fr
  • DE721214C - Device for pressing the seal of water seals u. like : de en
  • FR872075A - Improvement in binocular glasses, and more particularly in stereoscopic rangefinders : en fr
  • CA404970A - Coating composition : en fr
  • BE445080A - : en
  • US2284234A - Gauge construction : en
  • US2284268A - Car construction : en
  • PL30528B1 - A device preventing gas-filled combustion engines from stopping when the throttle is closed quickly : en pl
  • US2284527A - Exhibition package : en
  • GB545514A - Anti-incendiary material : en
  • FR872123A - Installation for supplying gas, such as acetylene or any other, to engines usually supplied with liquid fuel : en fr
  • US2284098A - Paper making machine : en
  • DE721124C - Process for the continuous dealcoholization of beverages containing alcohol : de en
  • US2284324A - Typing mechanism : en
  • DE721154C - Disc spring : de en
  • CA405061A - Beryllium compound preparation : en fr
  • US2284154A - Automatic controllable pitch propeller : en
  • US2284574A - Apparatus for cutting or deseaming metal : en
  • US2284072A - Tamping machine : en
  • US2284516A - Variable pitch propeller : en
  • USD132574S - Duplicating machine or similar article : en
  • USD132526S - Design for a jewelry finding : en
  • DK59801C - Steel alloy. : da en
  • FR872146A - Advanced glasses and their components : en fr
  • GB545413A - Improvements in or relating to chain : en
  • US2284364A - Tensiometer : en
  • US2284243A - Washing machine : en
  • US2284402A - Modulation circuit : en
  • CH221289A - Underwear, especially for men. : de en
  • CH221236A - Sliding window. : de en
  • US2284104A - Single channel adapter for multiplex synchronous printers : en
  • US2284215A - Excavator : en
  • CA405010A - Fish liver processing : en fr
  • CH221344A - Device which makes it possible to electrically determine the lateral direction of an observation instrument to an object fixed from a known location. : de en
  • USD132534S - Design foe a handbag frame : en
  • US2283994A - Instrument : en
  • AU118427B2 - An improved flexible conduit : en
  • CH221393A - Opposing piston internal combustion engine. : de en
  • US2284385A - Carton : en
  • US2284319A - Cam forming fixture : en
  • US2284542A - Floor furnace : en
  • BE445152A - : en
  • DE721207C - Windshield wiper in which the wiper shaft can be driven by a motor or by hand : de en
  • BE445331A - : en
  • US2284398A - Method of and apparatus for supplying granular material : en
  • AU444842A - An improved flexible conduit : en
  • CH221368A - Container with a pressure piston and a screw-in nozzle for drilled holes in wood. : de en
  • DE721132C - Push button receiver with automatic sharpening : de en
  • CA405001A - Electrolytic cell diaphragm : en fr
  • CH221475A - Mobile antenna table for radio sets. : de en
  • CH221422A - Cable system with at least one earth wire to protect against direct lightning strikes. : de en
  • US2284322A - Telegraph keyboard transmitter : en
  • US2284374A - Combination box and pocket for handbags : en
  • PL30557B1 - High voltage cable : en pl
  • PL30610B1 - on machines or airplanes : en pl
  • US2284136A - Pressing pad : en
  • US2284269A - Apparatus for processing the contents of sealed cans : en
  • US2284326A - Heel : en
  • US2284356A - Luggage rack with built-in lighting fixtures : en
  • USD132536S - Design for a fire extinguisher blanket : en
  • CA404986A - Coated material production : en fr
  • CH221259A - Train conveyor device for steam locomotives and steam locomotives. : de en
  • DE721101C - Process for enhancing color reversal photographic images : de en
  • US2284441A - Change speed transmission gear : en
  • USD132510S - Design fob a mask for stuffed toys ob similab abticles : en
  • USD132562S - Design for a shampoo pan : en
  • GB545414A - Electron beam deflecting yoke : en
  • US2284042A - Dobby cord : en
  • US2284113A - Dispatching and control system for elevators : en
  • USRE22101E - Liquid jacketed aviator s garment : en
  • DE721196C - Process for converting soluble, fusible aminoplasts into the insoluble, infusible state : de en
  • US2284037A - Burner for liquid fuels : en
  • US2284151A - Unitary stem and contact base for electron tubes and the like : en
  • PL30565B1 - Rectifying apparatus for television sets : en pl
  • AU115174B2 - Improvements in disc cultivators and like implements : en
  • CH221513A - Device on centrifugal fans for converting the speed of the conveying medium generated in the rotor into pressure, using diffusers and one or more spiral housings. : de en
  • FR872137A - Bomb resistant building for passive defense : en fr
  • US2283988A - Soap holder : en
  • US2284070A - Angular adjustment mechanism for aligned shafts : en
  • DE721136C - Winding arrangement for runners of rotary field collector machines, especially runner-fed three-phase shunt motors : de en
  • DK59800C - Steel alloy with austenitic structure. : da en
  • US2284086A - Detergent composition : en
  • US2284088A - Mounting piezoelectric elements : en
  • US2284262A - Spectacle mounting : en
  • US2284469A - Alternating current motor drive : en
  • PL30561B1 - High frequency transformer amplifier circuit and high frequency transformer : en pl
  • AU140641A - Improvements in and relating tothe cleaning of sacks, bags or like containers : en
  • CH221261A - Device for cooling and cleaning wood gas. : de en
  • GB545477A - Improvements in or relating to friction clutches : en
  • GB545511A - An improved spinning top : en
  • US2283972A - Starter switch : en
  • CH221343A - Device which makes it possible to electrically determine the topographical shooting documents for a target set from an observation post located outside the battery. : de en
  • CH221404A - Mixer for vehicle engine running on wood gas. : en fr
  • DE721229C - Process for the production of welded components : de en
  • CA404936A - Electrodeposition of metals : en fr
  • CH221408A - Multi-part cooled blade, especially for gas turbines. : de en
  • DE721106C - Device for bombs which can be dropped from an aircraft and are provided with ignition plugs : de en
  • DE721116C - Method and device for the heat treatment of ceramic material or the like. : de en
  • US2284073A - Grinding machine : en
  • US2284119A - Corn shock compressor : en
  • US2284232A - Method of and apparatus for finishing garments : en
  • US2284581A - Art of treating hydrocarbons : en
  • CH221456A - Burner for liquid fuels. : en fr
  • USPP520P - Peach tree : en
  • CH221419A - Procedure for compensating long high-voltage lines. : de en
  • DE721184C - Electrical machine set, consisting of a main machine and an auxiliary machine connected to it : de en
  • US2284311A - Mechanism for applying labls to articles : en
  • CH221382A - Air pressure booster. : de en
  • GR9877B - METHOD OF MANUFACTURING FLAVORED BEVERAGES CONTAINING OR NON-ALCOHOL AND HERE PRODUCED NEW INDUSTRIAL PRODUCTS. : el en
  • USD132537S - Design for a fire extinguisher blanket : en
  • CH221365A - Wear-resistant molded body for armoring workpieces. : de en
  • US2284316A - Liquid dispenser or the like : en
  • CA405027A - Railway crossing : en fr
  • US2284333A - Bicycle : en
  • US2284539A - Window construction : en
  • USD132541S - Design l or a piano : en
  • CA405022A - Shock absorber : en fr
  • CH221483A - Method of wrapping objects. : de en
  • US2284294A - Keyless lock : en
  • GB545491A - Improvements in television apparatus : en
  • GB545463A - Improvement in door closers : en
  • CA404967A - Halogenated organic acid manufacture : en fr
  • US2284453A - Wringer : en
  • FR872103A - Device for adjusting internal rolls in tube rolling mills : en fr
  • US2284021A - Upper-holding device : en
  • US2284472A - Cigar machine cross feed : en
  • CA404999A - Pickling tank : en fr
  • CH221232A - Articulated pipe structure to replace garden hose. : de en
  • AU115154B2 - Improvements in and relating to electric power distribution : en
  • CH221257A - Spark breaker on a steam locomotive or locomotive. : de en
  • DE721260C - vinyl record : de en
  • CH221338A - Torsion balance spring on projectile clockwork timer. : de en
  • CH221474A - Cable arrangement for the pointer drive of the voting slip of radio receivers. : de en
  • BE445114A - Electrical signaling systems : en fr
  • GB545412A - Improvements in or relating to the production of iso-or branched chained hydrocarbons : en
  • DE721265C - Siren, especially for air raid alarms, in which the entry and exit openings for the gas (air) are protected by roofs : de en
  • DK59818C - Firearms with Magazine. : da en
  • FR872039A - Metal or wooden blade attachment device for variable-pitch propellers : en fr
  • US2284421A - Molding : en
  • DE721100C - Method of copying multicolor subtractive images : de en
  • CA404979A - Resin opacification : en fr
  • FR872081A - Automatic windscreen wiper, with the possibility of manual operation : en fr
  • DE721034C - Cutting alloys : de en
  • US2284336A - Boring machine : en
  • FR872017A - Improvements to optical systems for obtaining a rectilinear image of a linear object : en fr
  • DE721204C - A centrifugal pendulum is driven by an electric motor coaxial with the pendulum : de en
  • US2284434A - Antenna : en
  • US2284493A - Combination cracking operation : en
  • US2284554A - Condensation catalysts of increased activity and process of producing the same : en
  • US2284076A - Metal sign press : en
  • US2284239A - White goods : en
  • US2284500A - Hydrolysis of cellulosic materials : en
  • CH221514A - Internal combustion engine with pistons working in opposite directions. : de en
  • USD132555S - Design for a syringe : en
  • US2283932A - Blowpipe and rod-feeding mechanism therefor : en
  • US2284366A - Beading machine : en
  • CA405036A - Typewriter : en fr
  • PL30545B3 - : en pl
  • PL30587B1 - : en pl
  • CH221438A - Rectifiers for voltage doubler circuits. : de en
  • US2283937A - Preparation of paving compositions : en
  • PL30611B1 - : en pl
  • US2284138A - Space heater : en
  • GB545493A - Process for making waterproof paper, particularly paper for artistic prints : en
  • US2283969A - Device for spraying printed sheets : en
  • US2284463A - Road grader : en
  • US2284041A - Acid dispenser : en
  • CH221521A - Process for the preparation of p-Amino-benzenesulfo-2-aminothiazole. : de en
  • CA405059A - Alkyl ether of durohydroquinone : en fr
  • CH221469A - Radio receiver. : en fr
  • PL30586B1 - : en pl
  • CA405033A - High voltage electrostatic apparatus : en fr
  • US2284540A - Cathead : en
  • US2284514A - Sewing machine : en
  • USD132572S - Combined washing machine and wringer : en
  • CH221233A - Lintel. : de en
  • CH221517A - Process for the preparation of a salt of a derivative of p-aminobenzenesulfonamide. : de en
  • US2284202A - Shock absorbing steering gear : en
  • US2284611A - Remotely controlled gun mount : en
  • BE445119A - : en
  • CA405056A - Mechanical vibrating system : en fr
  • CA405060A - Hormone production : en fr
  • CA404973A - Organic compound : en fr
  • US2284424A - Packing gland with oversize floating gasket : en
  • PL30574B1 - : en pl
  • US2284427A - Roller construction : en
  • DE721219C - Process for the pressure heat splitting of creosote-containing tars or tea oils in the circulation process : de en
  • DE721076C - Pole-changing asynchronous motor : de en
  • US2284416A - Roof drain : en
  • US2284368A - Furnace construction : en
  • USD132525S - Design for an earring or similar article : en
  • DE721256C - Production of copal and oil varnishes : de en
  • AU144141A - Improvements in or relating to totalisators : en
  • CA405038A - Composite colour photography : en fr
  • CA405041A - Combined wire support and corrosion inhibitor : en fr
  • CH221425A - Switching arrangement. : de en
  • US2284221A - Parking meter : en
  • US2284235A - Atomizer : en
  • USD132519S - Design fob a table : en
  • US2284290A - Bottle carrier : en
  • CH221311A - Process for the preparation of the 21-aldehyde des Pregnen- (4) -dione- (3.20). : de en
  • US2284220A - Locking device for vehicle wheels : en
  • DE721186C - Machine for the production of tin can bodies, in which sheet metal blanks are rounded and the longitudinal seams are closed to form ends by means of electrical resistance seam welding : de en
  • DE721215C - Powered support car for moving heavy loads, especially ship tunnels on sloping tracks : de en
  • FR872097A - : fr
  • GB545447A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • US2284582A - Wrist band : en
  • DE721216C - Process for dyeing combed laps made from regenerated cellulose with Kuepen or sulfur dyes : de en
  • GB545464A - Motor fuel : en
  • US2283983A - Hook fastener : en
  • US2284273A - Process for sweetening sour hydrocarbon oils : en
  • PL30533B3 - : en pl
  • CA405023A - Rubber composition : en fr
  • DE721198C - Headphone for scanning magnetograms with a playback speed that is different from the recording speed : de en
  • GB545466A - Improvements in and relating to the manufacture and production of softened pellicles, films, sheets, and like materials : en
  • US2284353A - Driving mechanism : en
  • CH221256A - Gas engine system with a gas generator and a blower for starting the generator. : de en
  • CH221280A - Device for removing thread residues from flat bobbins. : de en
  • CA404939A - Corset : en fr
  • CH221327A - Bookmark. : de en
  • CH221345A - Device for testing and measuring various physical properties of fibers, threads, ribbons and the like. : de en
  • US2283961A - Pressure booster unit : en
  • US2284317A - Method for scrubbing gases : en
  • US2284241A - Corrosion inhibition : en
  • US2284304A - Adjustable and collapsible supporting structure : en
  • GB545444A - Improvements in or relating to primary aromatic hydrazine solutions and to the use of such solutions in photographic processes : en
  • FR872085A - Ring seal : en fr
  • DE721164C - Process for the lifelike reproduction of foreign wood grain on local, fine-pored wood : de en
  • AU285241A - Improvements in apparatus used in washing articles such as milk cans andthe like : en
  • PL30607B3 - : en pl
  • US2284126A - Bismuth salts of oxy acids : en
  • US2284347A - Circuit interrupter : en
  • GB545458A - Improvements relating to the production of magnesium from magnesium bearing materials : en
  • US2284363A - Lighting device : en
  • US2284443A - Blanket spray nozzle : en
  • US2284506A - Domestic heating apparatus firebox : en
  • DE721202C - Increased corrosion resistance of copper and its alloys : de en
  • US2284305A - Record changing mechanism for phonographs : en
  • US2284325A - Honing machine : en
  • CH221229A - Dryers for agricultural products. : de en
  • CH221241A - System for heating a heat carrier. : de en
  • CH221299A - Skinning knife. : de en
  • US2284348A - Cooler for glass furnaces : en
  • US2284422A - Molding : en
  • US2284163A - Electricity conductor unit and method of using same : en
  • US2284562A - Mirror reflex camera with binocular eye level view finder : en
  • US2284069A - Instrument supporting cord : en
  • USD132571S - Design for a numeral set of candle holders : en
  • BE445370A - Process for preparing nitriles : en fr
  • CH221328A - Device for winding up cinematographic films. : de en
  • CH221329A - Box-shaped roll film camera. : de en
  • CH221407A - Spark plug with ceramic insulator. : de en
  • CH221340A - Verification instrument of at least one dimension. : en fr
  • USD132545S - Aviator s oxygen mask or similar article : en
  • US2284494A - Rubber mat : en
  • PL30530B1 - Device for keeping carburizing agents, especially tar, in a liquid state : en pl
  • US2284417A - Scanning system : en
  • US2284459A - Submarine hydraulic concentrator for precious metals : en
  • US2284054A - Gas mask : en
  • US2284480A - Furniture : en
  • US2283928A - Air conditioning apparatus : en
  • USD132542S - Dreyfuss adjustable chair : en
  • US2284142A - Method of reclaiming coating materials : en
  • US2284575A - Feeding machine for rolling mills : en
  • US2284476A - Voltmeter apparatus : en
  • DE721001C - Process for the preparation of a new strophanthus glucoside : de en
  • CH221375A - Holder for the agraffes of belt connectors. : de en
  • CH221506A - Method for connecting the hollow support body of a propeller blade to the blade cover. : de en
  • US2283987A - Clothesline support : en
  • DE721072C - Oil switch : de en
  • CH221423A - Electrical connection cable. : de en
  • DE721172C - Seed dressings : de en
  • CH221501A - Airplane without rudder. : en fr
  • US2284315A - Welding apparatus : en
  • US2284349A - Clutch plate assembly : en
  • US2284529A - Wave transmission network : en
  • US2284058A - Headrest : en
  • CH221263A - Spring basket for pillows, mattresses and the like. : de en
  • CA405046A - Range oven door : en fr
  • US2284551A - Packing of powdered metals : en
  • US2284397A - Apparatus for use in the manufacture of rayon : en
  • US2284451A - Battery pack for electrical hearing aids : en
  • US2284468A - Hydrocarbon synthesis : en
  • US2283914A - Antenna : en
  • US2284056A - Lapping machine : en
  • USD132513S - Design for a stuffed toy or similar article : en
  • US2284331A - Torped tube : en
  • DE721161C - Glass body set, consisting of two glass bodies placed one inside the other : de en
  • US2284218A - Dispensing container : en
  • CA404963A - Surface reflection reducing method : en fr
  • AU115141B2 - Improved packing for pistons, rams, glands andthe like : en
  • CH221453A - Relay with mercury interrupter. : de en
  • PL30551B1 - A method of putting mines into flushing holes in the ground and a device for carrying out this method : en pl
  • IE16203L - Air preheater for furnaces : en
  • GB545423A - Improvements in or relating to fire extinguishers : en
  • DK59799C - Procedure for the Introduction of Lead in Steel. : da en
  • US2284505A - Triple acting pump : en
  • PL30597B1 - : en pl
  • PL30577B1 - : en pl
  • US2284454A - Knitted fabric and method : en
  • CH221300A - Device for killing small animals. : de en
  • CA404945A - Table for rolling barrels on rails : en fr
  • FR872091A - Assembly intended for the transmission of electrical oscillations : en fr
  • US2284013A - Venturi tube or meter : en
  • US2284160A - Device for placing bag covers over garments : en
  • US2284195A - Humidifier : en
  • US2284309A - Illuminated sign : en
  • US2283920A - Production of aliphatic acids : en
  • US2284310A - Curtain track support : en
  • CH221243A - Firebox dividers. : de en
  • US2283986A - Heater : en
  • CA405011A - Drilling tool : en fr
  • US2284275A - Lift truck : en
  • DK59815C - Procedure for Generating Contrasts by Photochemical Way. : da en
  • FR872005A - Sulfur dyes and their preparation process : en fr
  • FR872042A - Process for the recovery of hydrochloric acid in wood sugar solutions : en fr
  • US2284549A - Apparatus for plasticizing, washing, or dissolving rubber or the like : en
  • USD132512S - Design for a stuffed toy or simdlar article : en
  • DE721200C - Closure for bracelets, especially watch straps : de en
  • PL30550B1 - Vereinigte Eisenbahn-Signalwerke Gesellschaft mit beschrankter Haftung, Berlin-Siemensstadt Connection system for electric switch and semaphore drives : en pl
  • GB545451A - Improvements in and relating to the manufacture of bonded paper insulation : en
  • US2284029A - Wedding bouquet holder : en
  • USD132544S - Aviator s oxygen mask or similar article : en
  • CH221458A - Process for the preparation of a new solid compound of pyridine-B-carboxylic acid diethylamide. : de en
  • US2284585A - Pigment treatment : en
  • US2284439A - Heat insulation structure and method of making the same : en
  • USD132516S - Mask for stuffed toys or similar articles : en
  • GB545471A - Improvements in or relating to the preparation of stable magnesium acid citrate : en
  • DE721033C - Process for the production of molded articles from mixtures of polyvinyl chloride or its copolymers and sulfur : de en
  • DE721083C - Liquid, disinfecting cleaning agents : de en
  • GB545432A - Needle-bar mechanism for sewing machines : en
  • US2284181A - Parasitic filter : en
  • DE721118C - Improved equipment on machines for wrapping rod or ring-shaped goods u. like : de en
  • DE721112C - Balloon device that can be observed from the earth to determine altitude temperatures : de en
  • CH221296A - Eyelet inserting machine. : de en
  • US2284465A - Shaft packing : en
  • GB545507A - Improvements in and relating to the electrical transmission of communications : en
  • US2284005A - Gas cutting apparatus : en
  • PL30598B1 - : en pl
  • FR872067A - Removable fixing for airplane wings or the like : en fr
  • FR872130A - Mode of connection of machines for the production of active and reactive resistors of any sign and of constant regulation : en fr
  • US2284102A - Inverse feedback amplifier : en
  • US2284191A - Variable speed transmission mechanism : en
  • US2283922A - Apparatus for surveying and ascertaining sighting errors in shooting practice against moving targets, especially airplanes : en
  • DE721044C - Process for laying out engraved, pressed or etched image carriers made of metal or other materials with color : de en
  • CH221273A - Thread overflow roller for post-treatment of rayon threads. : de en
  • US2284522A - Bushing reaming and driving tool : en
  • FR872139A - Compressor piston running without liquid lubricant : en fr
  • FR872065A - Supports for the guide or reversing vanes of turbo-machines with great thermal or mechanical fatigue, in particular explosion turbines : en fr
  • US2284381A - Temperature regulating means for internal combustion engines : en
  • CA405004A - Garment band : en fr
  • CH221459A - Process for the preparation of a solvent for theophylline. : de en
  • DE721160C - Water rescue device : de en
  • US2284261A - Cashier's and teller's cage : en
  • US2284224A - Power transmission : en
  • US2284332A - Mold filling apparatus : en
  • PL30512B1 - A safety device for ring rims and ring threaders, placed in a ring bench and lubricated with wicks. : en pl
  • US2283904A - Jiffy milk cooler : en
  • US2283975A - Pipe coupling : en
  • US2284122A - Process for purifying sugar solutions : en
  • DE721195C - Structure that can be dismantled : de en
  • CH221360A - Electric resistance welding process. : de en
  • PL30538B1 - : en pl
  • US2284227A - Magnetic electron lens : en
  • US2283997A - Drawing table : en
  • US2284608A - Engine : en
  • PL30552B1 - : en pl
  • DK59820C - Wastewater treatment plant. : da en
  • CH221337A - Impact fuse with mechanical self-destruct device. : de en
  • US2284099A - Door lock : en
  • US2284543A - Animal trap : en
  • CH221512A - Device on centrifugal fans for converting the speed of the conveying medium generated in the rotor into pressure, using diffusers and one or more spiral housings. : de en
  • PL30560B1 - : en pl
  • US2284053A - Gas mask : en
  • USD132548S - Design for a counter : en
  • US2284149A - Construction form : en
  • US2284384A - Electric contact brush : en
  • US2284484A - Brake mechanism : en
  • US2284288A - Lamp-making method : en
  • CA404954A - Ignition coil head : en fr
  • CH221464A - Control arrangement to maintain the synchronous and in-phase running of locally synchronized axes. : de en
  • CH221326A - Knife for automatic trimmer. : en fr
  • FR872101A - Pushbutton control system for radio receivers : en fr
  • US2284279A - Quick drying intaglio marking composition : en
  • CH221395A - Four-stroke engine with gas operation and exhaust gas turbocharging. : de en
  • DE721002C - Process for the preparation of phosphatide derivatives which are soluble or dispersible in water : de en
  • US2284030A - Hammer : en
  • USD132550S - Design fob a protractor level : en
  • CA404957A - Adsorbent : en fr
  • CA404990A - Paper fibre bleaching and loading method : en fr
  • CH221440A - Circuit for generating and smoothing high electrical DC voltages. : de en
  • CA404937A - Street lamp : en fr
  • CA404978A - Electric blasting initiator : en fr
  • US2284584A - Regeneration of contact masses : en
  • US2284395A - Self-starting synchronous-electric motor : en
  • US2284372A - Oscillation generator : en
  • US2283901A - Turbine blading : en
  • US2284242A - One-piece foldable game board : en
  • US2283946A - Process for manufacture of shoes : en
  • US2284278A - Clutch plate : en
  • US2284567A - Lens for optical purposes : en
  • CH221253A - Wood gas generator system. : de en
  • CH221520A - Process for the preparation of p-amino-benzenesulfo-2-amino-4-methyl-thiazole. : de en
  • CH221317A - Process for the production of cold glue with simultaneous production of castor oil from castor beans. : de en
  • CH221366A - Process for hardening iron. : de en
  • GR9873B - GAS APPLIANCE. : el en
  • GB545505A - Means for adjusting and (or) locking the adjustable backs of vehicle or other seats and the like : en
  • FR872119A - Piston compressor : en fr
  • US2284550A - Self-leveling scraper blade : en
  • CH221333A - Funeral monument. : en fr
  • CH221448A - Contact device, especially for the purpose of current direction. : de en
  • FR872086A - Polyphase alternating current high voltage power transmission installation : en fr
  • CA404971A - Safety blasting device : en fr
  • CH221293A - Wooden shoe sole. : de en
  • CH221436A - Electrical current converter with mechanically moved contacts. : de en
  • DE721158C - Drawbar support that can be swiveled on all sides : de en
  • PL30514B1 - Method for producing hydrogen peroxide : en pl
  • CH221385A - Ventilation device for textile and other machines. : de en
  • CH221504A - System for the generation of propellant gases on an aircraft propelled by the recoil of gases escaping. : de en
  • PL30546B1 - Device for spreading synthetic fiber bundles for the production of a flat strip in the form of a plain or crepe roll with parallel filaments : en pl
  • CH221347A - Maximum consumption measuring device. : de en
  • US2284446A - Antifriction bearing : en
  • US2284606A - Camshaft bearing grinding machine : en
  • CH221410A - Hydraulic fluid control device. : de en
  • FR872055A - Halogeno-aryl-sulfones, hydroxyarylsulfones and processes for their preparation : en fr
  • FR872138A - Testing machine for determining the resistance of test pieces to prolonged fatigue : en fr
  • DE721205C - Lung-controlled breathing apparatus, especially high altitude breathing apparatus or oxygen treatment apparatus : de en
  • FR872034A - Battery charger for flashlight, electric lighter and other applications : en fr
  • FR872102A - Process and apparatus for the treatment of bones and products obtained by this process : en fr
  • GB545427A - Improvements in or relating to blasting cartridges : en
  • USD132515S - Design for a stuffed toy or similar article : en
  • DE721129C - Device for monitoring a telecommunication or switching device of the railway safety system, in particular a crossing warning signal system : de en
  • US2284586A - Visible multiple record : en
  • CA405042A - Hydraulic winder for cable drums : en fr
  • GB545452A - Process for protecting wool, furs, hair, feathers and the like against being eaten by moths, and other insects injurious to textiles, the production of acyl sulphonamides for the purpose, and materials treated therewith : en
  • PL30556B1 - : en pl
  • US2284558A - Apparatus for producing and utiliz : en
  • CH221502A - Device for moving closing flaps on vehicles. : de en
  • US2284114A - Electrical circuit interrupting means : en
  • CA405012A - Roll-over type dammer : en fr
  • CH221313A - Process for the preparation of an anthraquinone containing the trifluoromethyl group. : de en
  • CH221432A - Device intended to improve the functioning of the protection of a network. : en fr
  • DE721050C - Process for cleaning sugar factory juices : de en
  • GB545500A - Improvements in or relating to halogenated polythenes : en
  • US2284140A - Tiltable body equipped land vehicle : en
  • US2284226A - Wagon dump device : en
  • FR872122A - Back-pressure filling device for bottles and similar containers : en fr
  • FR872115A - Improvements made to modulators comprising rectifiers mounted in a balanced bridge : en fr
  • US2283995A - Knitting machine and method of knitting : en
  • GB545487A - Improvements in or relating to pipe and like clips : en
  • GB545508A - Improvements in and relating to target boards for games or sports such as darts, archery and other target games, and the manufacture thereof : en
  • CH221376A - Double-walled pipeline consisting of individual sections for liquids or gases of high temperature. : de en
  • CH221443A - Ultra-short wave tube. : de en
  • CH221515A - Process for the preparation of a salt of a derivative of p-aminobenzenesulfonamide. : de en
  • CA405016A - Power transmission device : en fr
  • US2284483A - Dressing tool : en
  • BE444657A - : en
  • DE721155C - Process for coating aluminum and aluminum alloys with metals : de en
  • US2284346A - Apparatus for straightening metal castings or preventing distortion of same during cooling : en
  • DE721251C - Electromagnetically deflectable color screen for signal lamps : de en
  • PL30580B1 - : en pl
  • FR872090A - Electric boiler mounted on a hot water heating radiator : en fr
  • GB545449A - Improvements in irreversible gearing for controls : en
  • US2284004A - Resilient safety latch : en
  • US2284555A - Signaling system : en
  • US2284616A - Means for and method of assembling metallic articles and the like for shipment : en
  • CH221397A - Internal combustion engine assembly consisting of two double-shaft opposed piston engines. : de en
  • GB545484A - Improvements in and relating to lock nuts and similar devices : en
  • USD132532S - Design foe a combination cabinet and table : en
  • AU115159B2 - Improved apparatus for extracting oil from shale andthe like carbonaceous materials : en
  • CH221503A - Device for propelling aircraft. : de en
  • US2284048A - Thermometer construction : en
  • US2284169A - Hydraulic pump or motor : en
  • FR872043A - Mixer tube containing a secondary electron amplifier : en fr
  • GB545446A - Apparatus for board-setting of textile materials : en
  • GB545510A - Ball cages of ball-bearing units : en
  • USD132551S - Design for a display cabinet for knitting needles, crochet hooks, or the like : en
  • DE721197C - Process for the production of a resinous condensation substance from coumarone resin oils : de en
  • FR871955A - : fr
  • US2284432A - Plastic : en
  • GB545418A - Improvements connected with the production of iron alloys : en
  • FR872089A - Process for removing sticking and tearing of chamotte pads in steel ladles, and resulting products : en fr
  • FR872107A - Lathe, particularly intended for machining crankshafts : en fr
  • US2284559A - Wall form : en
  • BE445375A - Headlight. : en fr
  • DE721126C - Process for mercerizing : de en
  • FR872050A - Method and device for starting vehicles with internal combustion engines : en fr
  • PL30609B1 - Pednia with gear wheels : en pl
  • CH221424A - Electric switch. : en fr
  • US2284152A - Piston : en
  • US2284457A - Relief valve : en
  • CH221303A - Device for inductive heating. : de en
  • US2283935A - Transmission, radiation, and reception of electromagnetic waves : en
  • US2284411A - Pressing iron : en
  • CH221248A - Process for the production of charcoal and installation for implementing this process. : en fr
  • DE721162C - Line drawing device : de en
  • US2284557A - Work following apparatus : en
  • FR872026A - Improvements to bodies for motor vehicles and to these vehicles themselves : en fr
  • CH221445A - High-voltage mercury vapor rectifier with metal vessel. : de en
  • CA404962A - Alternating current voltage regulator : en fr
  • US2284137A - Air vent valve : en
  • USD132514S - Design for a stuffed toy or similar article : en
  • GB545411A - Improvements in television systems : en
  • DK59811C - Device for four-stroke internal combustion engines. : da en
  • DE721168C - Device to prevent unauthorized use of electrical devices that are to be connected to wall sockets using plugs : de en
  • PL30596B1 - A device in typewriters, suppressing shocks and noises : en pl
  • US2284361A - Bookcase end table : en
  • PL30575B1 - : en pl
  • CH221519A - Process for the preparation of a basic ester. : de en
  • FR872126A - Motor vehicle, in particular with oscillating half-axles : en fr
  • US2284212A - Handbag : en
  • CH221242A - Hot water boiler. : de en
  • USD132523S - Design for an earring or similar article : en
  • CH221431A - Protection device with phase-dependent relay, in particular distance protection device. : de en
  • FR872001A - Device for the presentation of images, drawings or posters : en fr
  • FR872064A - Improvements to vehicle checkouts : en fr
  • US2283917A - Foot correctional device : en
  • AU115151B2 - Awning : en
  • US2284566A - Products capable of preventing the coagulation of blood and a method of making the same : en
  • CH221384A - Impeller for centrifugal compressor. : de en
  • CH221488A - Device on motor vehicles for regulating the gas supply to the engine. : de en
  • PL30602B1 - : en pl
  • US2284323A - Welder : en
  • US2284389A - Rectifying system : en
  • US2284570A - Coating and impregnating : en
  • DK59804C - Galvanic Battery with Air Depolarization. : da en
  • US2284039A - Reproduction of sound : en
  • US2284159A - High voltage generator : en
  • CA404968A - Constant hydrostatic pressure maintaining apparatus : en fr
  • US2284133A - Tube cutter : en
  • US2284448A - Baby sleeping bag or sleeping cover : en
  • FR872009A - Electric radiator with hot water circulation : en fr
  • GB545503A - Improvements in or relating to apparatus for locally heat treating the surface of a metal body : en
  • US2283913A - Compounds of the cyclopentanopolyhydrophenanthrene series and a method for producing them : en
  • DE721271C - Pressure fluid control for the valves of piston engines : de en
  • FR872098A - Process for the electrolytic production of bright zinc deposits on other metals, for example on iron : en fr
  • US2284482A - Halo-substitution of mixtures containing saturated organic compounds : en
  • US2284423A - Measuring instrument : en
  • US2284106A - Process for treating petroleum oil emulsions : en
  • CH221478A - Electric bell drive. : de en
  • DE721174C - Process for the treatment of films, in particular color films : de en
  • US2284510A - Target stand : en
  • PL30539B1 - : en pl
  • US2284610A - Dispersion of pigments in rubber : en
  • FR872027A - Quaternary compounds and their preparation process : en fr
  • DE721192C - Method for fastening electrical heating wires in multilayer safety glass : de en
  • CH221249A - Compressed gas generator, consisting of at least one internal combustion engine and air compressors driven by it. : de en
  • CH221310A - Process for the preparation of a carboxyl-containing degradation product. : de en
  • CH221372A - Sheet metal cutting device, for example. : en fr
  • CH221433A - Device to prevent false tripping of high-speed relays. : de en
  • DE721208C - Writing and drawing equipment : de en
  • GB545476A - Improvements in gripping devices for specimens in wire torsion testing machines : en
  • CH221227A - Method and device for carrying out earth drilling. : de en
  • US2284467A - Hydrohalogenation of unsaturated hydrocarbons : en
  • US2284556A - Sanding machine : en
  • PL30576B1 - A method of producing an active mass with decolorizing properties : en pl
  • USD132557S - Design for a dkess : en
  • CH221306A - Device for the continuous treatment of solids with liquids or gases. : de en
  • US2284043A - Marking mechanism for dictation machines : en
  • DE721040C - Process for the production of sausage products from meat and fish : de en
  • US2284177A - Signal : en
  • US2284207A - Shaving brush : en
  • US2284447A - Filter : en
  • USD132509S - Mask for stuffed toys or similar articles : en
  • GB545486A - Improvements in or relating to holders or supports for christmas trees or the like : en
  • US2283955A - Means for and method of testing embrittlement cracking characteristics of solutions : en
  • US2284055A - Luminescent glass : en