• US2490618A - Fabric head steam and vacuum puff iron : en
  • US2490657A - Soap container : en
  • US2490683A - Screw and insert assembly : en
  • US2490013A - Electrical switch : en
  • US2490132A - Power shovel : en
  • US2490239A - Flight for conveyers : en
  • US2490629A - Reversible polarity generator : en
  • AU146199B2 - Improvements inthe manufacture of footwear andin moulds usedfor this purpose : en
  • US2490452A - Generation of transverse vibrations in liquids : en
  • US2490543A - Method of making composite stock : en
  • AU3021349A - Improvements in or relating to Water Soluble Compositions and Method of Making Same : en
  • CA461534A - Device on or about the bearings of high-speed atomizer-disc shafts : en fr
  • US2490099A - Fluorocyclohexyl amine compounds : en
  • US2490336A - Method for conversion of petroleum hydrocarbons : en
  • FR953371A - Fertilizer granulation process using so-called centrifuge devices by spraying concentrated solutions : en fr
  • US2490227A - Electrodynamic loud-speaker : en
  • US2490436A - Thread guard for pneumatic thread removers : en
  • USD156352S - Blouse or similar article : en
  • US2490060A - Catch for drawers, doors, and the like : en
  • US2490180A - Trap : en
  • USD156391S - Regulator for liquid dispensing device : en
  • CA461679A - Religious and devotional device : en fr
  • US2490277A - Frequency modulation phonograph system : en
  • US2490453A - Auxiliary car coupling device : en
  • US2490056A - Measuring device using a rotating trap chamber having a varying peripheral speed : en
  • US2490118A - Pump : en
  • US2490677A - Aqueous dispersion of a salt of an n-monoalkyl substituted polymeric amic acid : en
  • US2490087A - Vapor-electric device : en
  • GB632992A - Improvements in or relating to clutch plate assemblies : en
  • US2490177A - Electric discharge tube with improved electrode system : en
  • AT164735B - Electric alarm clock : de en
  • US2490312A - Sharpening and grinding machine : en
  • CA461542A - Axle assembly for model automobiles : en fr
  • GB633003A - Starch conversion process : en
  • AU3023249A - Improvements relating to control systems for dynamo electric machines : en
  • US2490171A - Roller mounting for lawn mowers : en
  • FR953448A - Improvements to refrigeration devices : en fr
  • US2490288A - Projector for bowling balls : en
  • US2490733A - High-voltage power supply : en
  • FR953473A - Device against theft of all vehicles powered by a fuel-powered engine : en fr
  • FR953583A - Manufacturing process for liquid sulfur trioxide : en fr
  • GB632977A - Improvements in or relating to insulating structures : en
  • AU2528649A - Improved means for mounting the treadle ofa power machine upon a machine bench : en
  • CA461609A - Emulsion polymerization of butadienes : en fr
  • CA461616A - Astro-compass : en fr
  • US2490106A - Induction heating furnace construction : en
  • US2490134A - Yarn inspecting device : en
  • GB633021A - Improvements in gland packing rings : en
  • US2490222A - Reinforced bag having flexible cover smoothed by its securing means : en
  • CA461600A - Structural element made from paper and like sheets : en fr
  • CA461647A - Radio receiver sequence tuner : en fr
  • US2490630A - Storage battery plate and retainer construction : en
  • US2490283A - Addition of carbonmonoxide-hydrogen to unsaturated compounds : en
  • US2490702A - Tray for card tables : en
  • US2490345A - Light absorption cell : en
  • US2490263A - Method of producing low light reflecting films on glass surfaces : en
  • FR953433A - Plastic material and its manufacturing process : en fr
  • US2490092A - Game device : en
  • US2490095A - Burner control apparatus with timing means : en
  • CA461605A - Multi-bladed adjustable reamer : en fr
  • GB632896A - Improvements in or relating to equipment for greyhound racing tracks : en
  • USD156381S - Handle for a mirror or like article : en
  • US2490424A - Brominated garlic carminative : en
  • FR953460A - Method and apparatus for drying grain, yarn and fiber materials, or their equivalent : en fr
  • GB633044A - Improvements relating to fluid pressure braking apparatus for railway and like vehicles : en
  • US2490027A - Pressure lubricated track tractor roller : en
  • US2490141A - Sales book pencil holder : en
  • AU3021449A - Improvements in or relating to machines for making cigarettes having- filter or like- plug or other mouthpieces : en
  • CA461674A - Velocity modulated electrical discharge tube : en fr
  • FR953372A - Generator of artificial echo trains operating directly from control pulses : en fr
  • FR953535A - Improvements to refrigerated cabinets : en fr
  • FR953522A - High pressure mercury vapor discharge electric lamp : en fr
  • US2490663A - Wall panel securing means : en
  • GB632717A - Improvement in typewriting machine : en
  • FR953506A - Development of static electricity discharge devices : en fr
  • US2490608A - Perforating apparatus : en
  • GB632726A - View finder for television cameras : en
  • GB632949A - Improvements in or relating to a device for correcting deformations of the human trunk : en
  • FR953537A - Electric capacitors for high frequency : en fr
  • GB632842A - Improvements in apparatus for timing an x-ray exposure : en
  • FR953500A - Textile printing : en fr
  • FR953314A - Sculpto-lithoid photographic process : en fr
  • GB632870A - Improvements in matrix drying and forming machines : en
  • FR953436A - Device for depleting a solid material by means of a heated liquid : en fr
  • US2490269A - Tray : en
  • GB633001A - Improvements in or relating to acrylonitrile and the production thereof : en
  • GB632710A - Improvements in and relating to the preparation of compounds derived from polynuclear organic acids and phenols : en
  • US2490023A - Welding electrode : en
  • US2490430A - Composition roofing : en
  • US2490615A - Nutcracker with rack and pawl adjusting means : en
  • US2490422A - Plumbing cleanout attachment : en
  • CA461678A - Method of seismic surveying : en fr
  • US2490155A - Front end loader : en
  • US2490446A - Hat construction : en
  • US2490684A - Fireman's hook : en
  • FR953536A - New advanced electric capacitors : en fr
  • GB633007A - Improvements in and relating to carrier transmission systems : en
  • US2490524A - Flier for spinning and twisting machines : en
  • US2490195A - V-belt fastener : en
  • US2490732A - Dispensing package : en
  • US2490189A - Collapsible hand truck : en
  • US2490454A - Process for the recovery of hydrogen chloride from off-gas : en
  • USD156350S - Blouse or similar article : en
  • US2490374A - Means fob testing automobile : en
  • US2490284A - Hydraulic jack : en
  • FR953581A - Improvements to crusher roller bearings : en fr
  • FR953356A - Improvements to oxy-cutting motorized cutting trolleys : en fr
  • FR953347A - Processes and apparatus for the desulphitation of vegetable food products and in particular fruit juices : en fr
  • US2490500A - Stabilized oscillator generator : en
  • GB632802A - Improvements in or relating to structural building elements : en
  • GB632830A - Coating compositions : en
  • GB632997A - Improvements in the production of interpolyamides : en
  • GB632753A - Improvements in or relating to torque transmitting structures : en
  • GB632920A - Improvements in or relating to internal combustion engines : en
  • US2490586A - Cellular structure : en
  • US2490404A - Stabilized oscillation generator : en
  • FR953467A - Slag granulating machines : en fr
  • FR953357A - Device for seating a walking toy by simple pressure : en fr
  • US2490223A - Connector rod : en
  • GB632825A - Improvements in or relating to centrifugal separators, particularly centrifugal cream separators : en
  • USD156348S - Toy locomotive : en
  • FR953438A - Process for extracting therapeutic products from medicinal plants : en fr
  • GB632833A - Dock gates : en
  • FR953426A - Tray trolley : en fr
  • CA461649A - Axial-flow compressor and the like : en fr
  • US2490495A - Lens grinding unit : en
  • DK70297C - Collapsible stepladder. : da en
  • US2490015A - Process for improving the digestibility of milk : en
  • US2490361A - Variable thrust rotor drive for rotary wing sustained aircraft : en
  • GB632766A - Improvements in and relating to rotary stud fasteners : en
  • GB632873A - Improvements in or relating to variable speed chain driving devices : en
  • US2490658A - Attachment for journal boxes : en
  • FR953302A - Metal powder metallurgy : en fr
  • GB632741A - Improvements in electric glow discharge relays : en
  • FR953556A - Improvements to steam generators with combined heaters : en fr
  • US2490402A - Resilient mounting for bobbin magazines : en
  • FR953359A - Fishing rod ring : en fr
  • US2490565A - Bushing, sleeve, and liner removing chisel : en
  • US2490634A - Apparatus for controlling the concentration of solutions which tend to foam : en
  • US2490744A - Antirust agent : en
  • US2490360A - Perforated record sensing device : en
  • CA461587A - Underwater sound transmitter or receiver : en fr
  • FR953311A - Improvements to railway tracks for toy or miniature trains or trams and the like : en fr
  • FR953470A - Oily lubricants based on polysiloxanes : en fr
  • US2490292A - Portable loader : en
  • US2490385A - Production of aminoacetal : en
  • FR953445A - Process for making an improved cast iron and resulting product : en fr
  • FR953645A - Improvements to photosensitive products : en fr
  • FR953611A - Liquid fuel burner : en fr
  • FR953443A - Adjustment of the outlet section of the reaction nozzle of a turboprop engine for high-speed vehicles and in particular for airplanes : en fr
  • FR953430A - Toy calendar : en fr
  • GB632727A - Yellow fog inhibitors for incorporation in photographic materials and in photographic developing and other processing baths : en
  • US2490669A - Illuminated bobber : en
  • US2490260A - Preparation of catalytically inactive inorganic oxide particles : en
  • US2490555A - Valve actuating mechanism : en
  • US2490729A - Flash ignition and safety control : en
  • FR953521A - Improvements to cardboard or brass boxes : en fr
  • GB632911A - Improvements relating to moulding compositions : en
  • US2490295A - Combined window unit and blind construction : en
  • US2490523A - Switch : en
  • US2490585A - Electrically operated time lapse traffic signal : en
  • GB632956A - Shaft for record changers in talking machines : en
  • US2490030A - High-frequency tube structure : en
  • US2490254A - Pecking hammer : en
  • US2490512A - Core barrel : en
  • US2490054A - Party line telephone system : en
  • FR953579A - hygienic case for toothbrushes, blush brushes and the like : en fr
  • AU3029349A - Improvements inelastic fabric and elastic yarns for use therein : en
  • AT164748B - Device for dampening humming noises on electricity meters : de en
  • US2490037A - Socket for electron discharge tubes : en
  • USD156325S - Double acting joint : en
  • FI24031A - Method for the preparation of cinnamic acid and dimethyl-p-tolylcarbinol : en fi
  • FR953385A - Improvements in wood protection and conservation : en fr
  • US2490661A - Mobile work unit : en
  • CA461546A - Timed lighting system : en fr
  • CA461565A - Mixing device : en fr
  • GB632918A - Improvements relating to the operation of a polyphase electric motor from a single phase source : en
  • GB632807A - Improvements in luminairs : en
  • US2490639A - Darkness alarm : en
  • GB632907A - Improvements relating to looms for weaving : en
  • AT164785B - Process for the production of high quality fused corundum : de en
  • AU149795B2 - Improvement in or relating to food mixer motor : en
  • FR953629A - Fuel pump for diesel engines : en fr
  • US2490271A - Sulfurized nitriles and process of preparing the same : en
  • US2490220A - Roof ventilator : en
  • US2490442A - Process for obtaining the subtitles of kinematograph films : en
  • US2490456A - Motor and brake device : en
  • US2490148A - Thermoplastic composition : en
  • US2490273A - Structure for magnetostriction transducers : en
  • US2490313A - Toy airplane control : en
  • FR953451A - Quick assembly building material : en fr
  • US2490408A - Impulse voltage device : en
  • US2490623A - Jet propeller aircraft engine : en
  • USD156366S - Wrapping paper : en
  • CA461657A - Adjustable machine tool : en fr
  • FR953344A - Advanced device for controlling shuttles for looms : en fr
  • FR953364A - Further development of hydraulic lifting devices : en fr
  • FR953593A - Advanced training with diamond jacks : en fr
  • FR953606A - Cardboard box forming a packaging and a dispenser, for powdery products, with airtight closure : en fr
  • AU151547B2 - Method for producing a protective or carburizing furnace atmosphere for ferrous metals : en
  • GB632751A - Improvements in and relating to dough dividers : en
  • US2490183A - Guidable ski and pole engaging means therefor : en
  • US2490246A - Anode construction : en
  • US2490531A - Inductor type dynamoelectric machine and cleaner apparatus : en
  • CA461573A - Separable fastener : en fr
  • CA461601A - Cushion shoe and method of making same : en fr
  • USD156389S - Wall fixture : en
  • FR953524A - Molding machine : en fr
  • GB632946A - Improvements in or relating to rotary ice cream freezers : en
  • USD156340S - Thermostatic control device : en
  • US2490059A - Traveling rocking horse : en
  • US2490069A - Gel forming drilling fluid : en
  • US2490252A - Apparatus for making precision-bore tubes and other products of glass or the like : en
  • GB632922A - Improvements in plasticizing substances for resins : en
  • FI24045A - Tomato dressing : en fi
  • FR953341A - Improvement in energy production cycles : en fr
  • FR953355A - Landing Receiver Improvements : en fr
  • FR953462A - Process for manufacturing shoes and shoes obtained by this process : en fr
  • FR953642A - New monoazo dyes and process for their manufacture : en fr
  • GB632864A - Improvements in or relating to gear systems : en
  • FR953346A - Advanced low frequency generator and its applications : en fr
  • US2490300A - Lighter : en
  • US2490226A - Lasting machine : en
  • US2490554A - Transmission of rotary motion by single homopolar dynamoelectric machine : en
  • FR953598A - Improvements made to panel closures closing access openings, in particular those giving access to parts of airplanes : en fr
  • GB632853A - Improvements in and relating to sound recording or/and reproducing machines : en
  • GB632951A - Improvements in or relating to the lids of coffee percolators or the like : en
  • FR953350A - Device for attaching a lens hood or the like to a strap : en fr
  • FR953374A - Method of construction of the lower part of the crucible of igneous electrolysis cells : en fr
  • US2490272A - Portable swimming pool : en
  • US2490648A - Center locating tool : en
  • US2490049A - Process of manufacturing chinaware : en
  • US2490355A - Earth anchor : en
  • US2490528A - Method of making glass bodies comprising a tubular glass member : en
  • US2490065A - Thermodynamic machine : en
  • US2490103A - Circuit breaker with temperature compensation : en
  • GB632711A - Improvements relating to the mounting of shaft bearings : en
  • FR953464A - Improvements to heating devices : en fr
  • GB632945A - Process for manufacturing cast iron : en
  • FR953391A - Loose-leaf binding system : en fr
  • GB632824A - Production of organohalosilanes : en
  • US2490212A - Material unloading chute for trucks : en
  • US2490571A - Pyrophoric alloy of zirconium, lead, and titanium, and sparking device containing the same : en
  • GB632707A - Improvements in handles for paper bags, packages, cartons and like containers : en
  • GB632840A - Improved control for electric motors : en
  • US2490094A - Saw holder : en
  • USD156357S - Invalid s bathtub seat : en
  • FR953348A - Improvement in bicycle cranksets : en fr
  • FR953336A - Improvement in free oscillator machines : en fr
  • GB632880A - Improvements in uptwisting machines for textile threads : en
  • GB632889A - An improvement in or relating to motor-driven centrifugal machines : en
  • US2490694A - Apparatus for raising and lowering shelving out of and into storage cabinets : en
  • FR953528A - Improvements to heat exchangers : en fr
  • FI24030A - Procedure for purifying carbon tetrachloride from carbon disulphide : en fi
  • FR953334A - Warming kettle : en fr
  • US2490440A - Brush for cleaning type : en
  • US2490603A - Vehicle wheel : en
  • US2490020A - Electrical contact : en
  • US2490737A - Baseball game apparatus : en
  • US2490696A - Display scale wherein a drum is rotated by initial movement of the scale : en
  • USD156333S - Goldberg hydraulic press : en
  • US2490370A - Means for transmitting and radiating light rays emitted from a source of light : en
  • GB632773A - Improvements in and relating to the preparation of compounds derived from polynuclear organic acids and phenols : en
  • CA461665A - Propeller drive : en fr
  • FR953614A - Floor refinements : en fr
  • GB632909A - Improvements relating to switch-operated electric lighting and signalling systems : en
  • USD156361S - Serving cart : en
  • DK70286C - Clothespin. : da en
  • GB632739A - Improvements in or relating to yokes or like retaining devices for animals : en
  • FR953562A - Anti-rust lubricants : en fr
  • AT164703B - Automatic engagement and disengagement device for roller mills : de en
  • FR953596A - Improvements to rivets : en fr
  • US2490035A - Mechanism for reciprocating brush carriages of selector switches or the like : en
  • FR953310A - Board game : en fr
  • FR953602A - Laminator : en fr
  • GB633041A - Improvements in or relating to filtering apparatus : en
  • DK70287C - Process, in particular for bleaching textile materials, for activating the oxidizing capacity of chlorite solutions by adding activating agents. : da en
  • US2490432A - Droppable figure target : en
  • GB632984A - Improvements in and relating to gas or vapour filled thermionic discharge devices : en
  • GB633023A - A device representing the terrestrial globe : en
  • FR953646A - Improvements to photographic products : en fr
  • GB632704A - Improvements in apparatus for filling, stoppering, capsuling and labelling bottles or the like : en
  • GB632865A - Improvements relating to castor wheels of agricultural machines : en
  • US2490036A - System for establishing connection within a main exchange with one of a plurality of private branch exchanges : en
  • US2490536A - Moistureproof heat sealing lacquer : en
  • USD156342S - Iannelli drink mixer : en
  • US2490734A - Television camera tube : en
  • GB632759A - New plastic compositions : en
  • GB632800A - Insulator for aerial lines : en
  • FR953527A - Headrest for operating tables : en fr
  • FR953307A - Process for the preparation of resinous substances and polymerizable compositions used in their production : en fr
  • FR953369A - Braking device for agricultural trailer : en fr
  • FR953607A - Removable ballpoint pen head : en fr
  • FR953442A - Improvements to processes for the disintegration of vegetable fibrous materials for the preparation of cellulose : en fr
  • FR953409A - Telescopic device with combined hydro-pneumatic action, applicable in particular to shock absorbers, elevators or others : en fr
  • GB632941A - Apparatus for grinding mowing machine knives : en
  • CA461533A - Automatic fire extinguisher for motor carbureters : en fr
  • CA461591A - Furnace : en fr
  • SE126866C1 - : en sv
  • GB632980A - Methods of treating germanium material : en
  • FR953450A - Booster device for lightning production : en fr
  • GB632982A - Improvements in pyrophoric lighters : en
  • FR953477A - prefabricated elements of walls and floors and their implementation : en fr
  • GB632886A - Improvements in or relating to caravans and like trailer vehicles : en
  • GB633015A - Improvements in or relating to covers for oil storage tanks or the like : en
  • FR953320A - Essential oil extraction process : en fr
  • FI24026A - The value of the diamond network is limited to the value of the network : en fi
  • FR953594A - Process for preparing metalliferous dyes : en fr
  • FI24042A - Field saw with circular blade : en fi
  • FR953394A - Automatic machine for packaging powdered or granular products in sachets : en fr
  • FR953632A - Synthetic lubricant : en fr
  • FI24048A - Hand tools are available from the front and back of the unit : en fi
  • GB632815A - Female jack element for use with electrical plug and jack terminal devices : en
  • GB632857A - Improvements in or relating to mounting arrangements for electrical apparatus : en
  • US2490073A - Combination fan and limit switch mechanism : en
  • US2490181A - Alternating current machine : en
  • US2490286A - Electrical connector : en
  • US2490577A - Interlocking wall tile : en
  • US2490647A - Nail file : en
  • US2490052A - Catoptric projection system for flying spot scanning : en
  • US2490120A - Drilling fixture : en
  • USRE23180E - Wheel stop : en
  • FR953471A - Stabilization of methyl substituted polysiloxanes : en fr
  • GB632993A - Improved means for servicing aeroplanes more especially for supplying liquid fuel and air thereto : en
  • AU2627849A - Improvements relating to signals for accountancy andother record purposes : en
  • CA461669A - Multi-rotor gas turbine power plant with propellers : en fr
  • AU3032049A - Improvements in or relating to glass bases for electric discharge devices having glass envelopes : en
  • AT164726B - Artificial cooling transformer : de en
  • AT164712B - Telephone book carrier : de en
  • CA461566A - Glare shield : en fr
  • GB632935A - Percussion drilling machine : en
  • AU145186B2 - Improvements in or relating to machines for making cigarettes having- filter or like- plug or other mouthpieces : en
  • CA461563A - Automatic gas safety shut-off : en fr
  • US2490182A - Multielectrode gas discharge electric sign : en
  • GB632874A - Improved manufacture of porous ferrous articles : en
  • GB632863A - Improvements in xylophones and the like : en
  • GB632921A - Improvements relating to television apparatus : en
  • FR953308A - Planetary gear and its applications : en fr
  • FR953491A - Brush : en fr
  • FI24035A - Förfaringssätt for rening av alkyloxy- resp. alkenyloxynitroanilines with up to 2-position substituents 1,5-dinitrobenzoler : en fi
  • GB633052A - Improvements relating to pneumatically operated tools : en
  • FR953610A - Floor construction without formwork : en fr
  • FR953495A - Device for controlling spot or seam welding machines : en fr
  • FR953529A - Process for the preparation of colored photographic layers : en fr
  • US2490067A - Thermodynamic machine : en
  • FR953393A - Automatic tube crimping machine : en fr
  • FR953457A - Waterproofing composition : en fr
  • AU3021549A - An improved lubricating grease comprising a grease forming lubricant base anda mixture of lithium and sodium soaps of fatty acids : en
  • AU146448B2 - Improvements in or relating tothe production of partially condensed urea-formaldehyde resins in aqueous dispersion : en
  • FR953318A - Improvements in the manufacture of pulp : en fr
  • GB632748A - Spherical tank for storing liquids : en
  • AU3031949A - Improvements in or relating tothe art of making a body of natural cheese ofthe Swiss type andthe natural cheese resulting from said art : en
  • AU3031049A - Improvements in apparatus for greasing-baking tins and like utensils or batches of dough or paste preparatory to baking : en
  • FR953604A - Improvements to photographic products : en fr
  • GB632774A - Improvements in type printing telegraph systems : en
  • GB633004A - Improvements in flushing valves : en
  • US2490063A - Voltage regulator circuit : en
  • US2490439A - Feeder for pulverant material with a vertically reciprocable belt conveyer : en
  • CA461653A - Gyroscopic flight instrument : en fr
  • US2490178A - Manufacture of artificial sponges from viscose : en
  • AU143678B2 - Improvements in or relating to screwing dies and their manufacture : en
  • US2490712A - Process for the polymerization of diolefin hydrocarbons : en
  • US2490509A - Rotary follow valve : en
  • GB632813A - Improved aerial mounting on motor vehicles : en
  • DK70288C - Process for the preparation of alkali aluminum fluorides, in particular cryolite. : da en
  • US2490299A - Carton molding apparatus : en
  • GB632878A - Improvements in or relating to bibcocks, stopcocks or the like : en
  • GB633048A - An improvement in or relating to spring seating : en
  • AT164732B - Monitoring arrangement for contactor controls of AC traction vehicles with interlocking protection : de en
  • US2490641A - Load responsive relay for the control of brakes : en
  • CA461547A - Boot and shoe : en fr
  • AT164682B - Closure for liquid container : de en
  • AT164663B - Harvester for bulbous crops, especially potatoes : de en
  • US2490062A - Cleaning and activating compositions and use thereof in producing protective phosphate coatings on metal surfaces : en
  • US2490478A - Wrench socket retainer : en
  • US2490727A - Direct-current voltage amplifier : en
  • GB632792A - Improvements in or relating to cup-shaped rotary brushes : en
  • US2490635A - Combined strainer and magnetic separator : en
  • US2490688A - Rotary disk plow : en
  • AU3028449A - Improvement in or relating to food mixer motor : en
  • US2490441A - Calling line and party identification in automatic telephony : en
  • AT164667B - Internal combustion engine : de en
  • AU2462748A - An improved clothes peg : en
  • AU143694B2 - Arrangement in connection with refrigerators, refrigerator boxes andthe like : en
  • GB633030A - Improvements in or connected with sanitary towels : en
  • US2490551A - Disposable ampoule syringe : en
  • US2490653A - Safety mechanism for elevators : en
  • AT164698B - Brake release arrangement, especially for stationary elevator winches with worm gear : de en
  • US2490031A - Aerial projectile : en
  • USD156378S - Phonogkafh cabinet : en
  • US2490012A - Shears : en
  • US2490104A - Apparatus for equalized induction heating of workpieces : en
  • US2490131A - Article handling and weighing apparatus : en
  • CA461676A - Method of increasing the germicidal properties of phenol germicide and products of such method : en fr
  • AT164757B - Circuit for generating two voltages with opposite phase : de en
  • US2490202A - Insecticidal composition comprising a polychloro branched-chain hydrocarbon : en
  • US2490309A - Flashlight : en
  • US2490392A - Hydropyranyl-oxazines, thiazines, oxazolidines, and thiazolidines and their preparation : en
  • US2490235A - Engine crankcase and cylinder : en
  • US2490166A - Device for installing wall and ceiling board : en
  • AT164747B - Color camera : de en
  • AU3028949A - Improvements in or relating to fluorescent sign lamps : en
  • CA461544A - Aircraft training apparatus : en fr
  • AT164685B - Rooster with a rotating chick : de en
  • CA461611A - Reciprocatory drive for machine tools : en fr
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  • FI24049A - Sätt och maskin för tillverkning av wellpapp eller annat veckat material samt så framställd produkt : en fi
  • AT164681B - Closure for bottles : de en
  • US2490074A - Light ray and massage therapy : en
  • US2490716A - Process of manufacturing starch sirup : en
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  • US2490757A - alpha-carbamoxyacrylic esters and resins prepared therefrom : en
  • FR953540A - New disazo dyes and process for their manufacture : en fr
  • FR953584A - Device used to deposit the fiber ribbons in the pots : en fr
  • IE21115L - Discharge tubes : en
  • US2490145A - Electron tube : en
  • US2490146A - Differential gearing : en
  • US2490316A - Universal electrical connector : en
  • GB632832A - Manufacture of pyrazolones substituted in the 3-position : en
  • AT164736B - Stripping device for electrical lines : de en
  • US2490679A - Control device : en
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  • GB632900A - Improvements in or relating to devices for cleaning eggs and other articles : en
  • GB632852A - Improvements relating to the measurement of surface roughness : en
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  • FR953478A - Improvements in electrical warning devices applicable to loom shuttles : en fr
  • AT164776B - Device with a discharge tube : de en
  • GB632808A - Cyanine dyes derived from 1, 3, 4-triazaindolizines and photographic silver halide emulsions sensitized therewith : en
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  • FR953332A - Portable or bedside electric lamp : en fr
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  • US2490349A - Rocket projectile : en
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  • US2490298A - Radiation detecting apparatus : en
  • AU154294B2 - Improvements in or relating to Water Soluble Compositions and Method of Making Same : en
  • US2490126A - Telefacsimile phasing arrangement : en
  • US2490720A - Power transmission : en
  • FR953358A - Special packaging of saponifying products : en fr
  • FR953574A - Magazine Box Portable Firearm : en fr
  • US2490259A - Wall structure : en
  • US2490564A - Vegetable pulp shredder screen having cutter blades : en
  • FR953546A - Production of electric oscillation damped trains : en fr
  • GB632967A - Improvements in bleaching of ground wood pulp : en
  • GB632989A - Rotary tool holders : en
  • GB632767A - Improvements relating to the manufacture of reinforced asbestos-cement or like sheets : en
  • GB632964A - Elevating mechanism for fifth wheels : en
  • US2490431A - Dehydrating process for starchy vegetables, fruits, and the like : en
  • US2490034A - Phase and synchronism control system : en
  • US2490243A - Electronic cycle counting circuit : en
  • US2490364A - Bone pin : en
  • US2490070A - Wrinkle drying composition containing dextran benzyl ether : en
  • US2490061A - Radio-wire communication system : en
  • AU3020849A - Method and apparatus for producing ingots or castings ofthe refractory metals, titanium, tungsten, molybdenum, tantalum, chromium columbium and zirconium : en
  • US2490257A - Mono-and polyalkyl mono-and polynuclear mercaptans : en
  • US2490276A - Preparation of triptane structure compounds : en
  • US2490606A - Fuel compositions : en
  • US2490457A - Electronic relay : en
  • GB632948A - Improvements in or relating to electron discharge devices : en
  • FR953403A - Further training in rubber stamp manufacturing : en fr
  • GB632796A - Improvements in the mounting and arrangement of the movable grinding wheel head in plane-surface grinding machines : en
  • FR953648A - Typewriter table reducing accessory movements and manipulations of typists : en fr
  • GB632875A - Improvements in apparatus for the control of temperature : en
  • GB632902A - Method and means to accelerate the consolidation of clay-ground or other soil : en
  • FR953517A - Improvement in hand drills and similar tools : en fr
  • FR953511A - Prefabricated houses : en fr
  • GB632866A - Improvements in or relating to a support for a power line in a motor vehicle : en
  • GB632826A - Improvements in sleeve construction : en
  • GB632720A - Improvements in or relating to fittings for tubular lamps : en
  • FR953380A - Stopper for containers intended to contain hygroscopic products : en fr
  • FR953568A - Waterproof periodic tampon holder and its hygienic panty brief frame : en fr
  • GB632943A - Improvements relating to the control of electric blankets or the like : en
  • FR953368A - Method for the isolation by physical means (adsorption) of estrogenic hormones from the urine of pregnant females : en fr
  • FR953483A - Tractor with driving wheels fitted with friction clutch, particularly for agricultural use : en fr
  • US2490347A - Automatic motor vehicle transmission : en
  • FR953472A - Constant temperature vessel for electrical parts such as crystal elements : en fr
  • GB632816A - Improvements in and relating to book-markers : en
  • GB632927A - The stabilisation of polythionic acid and polythionate solutions : en
  • GB632975A - Method of dyeing cloths and means for carrying out said method : en
  • USD156374S - Suit coat : en
  • US2490676A - Sash retainer : en
  • USD156372S - Phonograph cabinet : en
  • US2490041A - Method and means for the manufacture of cut filling pile fabrics : en
  • US2490053A - Level-wind mechanism for magnetic recorders : en
  • US2490511A - Valve seal : en
  • USD156336S - Firearm fore end : en
  • DK70295C - Method of making machine knitting needles. : da en
  • IE21116L - Discharge tubes : en
  • GB632771A - Improvements in and relating to a grinding wheel truing device for a grinding machine, more especially for a thread grinding machine : en
  • USD156363S - Combined table and chairs : en
  • FR953647A - Central installation for watering streets, pavements, sidewalks and other surfaces : en fr
  • AU3027649A - Sluice valve : en
  • US2490505A - Slapless magnetically reciprocable structure : en
  • US2490595A - Hydrophone : en
  • US2490735A - Control apparatus : en
  • US2490294A - Deaerating heater : en
  • US2490739A - Extension handle for wrenches : en
  • USD156339S - Combination pipe rest and article holding guard : en
  • GB632763A - : en
  • AU140159B2 - Improved floor mop : en
  • GB632871A - Variable speed drive : en
  • AT164730B - Housing for stereophonic sound reproduction : de en
  • US2490341A - Chair : en
  • DK70312C - Device at ship engine plant with gas turbines. : da en
  • FR953453A - Improvements to cycle handlebars : en fr
  • GB632895A - Two-way radio communication system : en
  • US2490752A - Heat strippable coating composition and a metal article coated therewith : en
  • DK70306C - Metal string for musical instruments. : da en
  • AT164800B - Permanent magnet made magnetically anisotropic by directional magnetization : de en
  • USD156379S - Spirt antenna : en
  • US2490460A - Retrievable anchor means : en
  • US2490084A - Method of controlling flow brightening of plated metal articles : en
  • US2490414A - Pinking scissors : en
  • US2490626A - Compositions of matter comprising mixtures of a synthetic resin containing gel and a rubber : en
  • GB633012A - Improvements in or relating to flexible abrasive articles : en
  • GB632732A - Improvements relating to high-pressure compressed air systems for aircraft : en
  • US2490304A - Plasterer s aneie : en
  • FI24044A - Anordning vid med tukningstråg försedda såningsmaskiner : en fi
  • FR953390A - Improvements in apparatus for brewing coffee and the like : en fr
  • USD156385S - Dress ensemble : en
  • FR953498A - Process for preparing diacids : en fr
  • US2490028A - Heated tank construction for tank vehicles : en
  • US2490713A - Controlling polymer properties in emulsion polymerization by controlling intensity of agitation : en
  • FR953531A - Manufacturing process of liquid hydrocarbons, by treatment of sea mud, rivers, marshes : en fr
  • GB632903A - Improvements in radial drilling machines and the like : en
  • DK70298C - Meltproof container. : da en
  • FR953589A - Planographic printing plate : en fr
  • US2490241A - Grain dispensing truck : en
  • DK70309C - Front wheel fork for bicycles, motorcycles and similar vehicles. : da en
  • USD156316S - Hand mirror frame or similar article : en
  • FR953514A - Transmission chain with continuous flat side surfaces without protrusions, especially for bicycles and motorcycles : en fr
  • GB632847A - Improvements in massage apparatus : en
  • GB632926A - Connectors for high frequency cables : en
  • AT164706B - Safety nut : de en
  • AU3024849A - Method for producing a protective or carburizing furnace atmosphere for ferrous metals : en
  • CA461574A - Top lift : en fr
  • USD156358S - Container for barbers clippers and vibrators : en
  • US2490420A - Gas control means : en
  • CA461639A - Furnace for reducing and distilling volatile metals : en fr
  • AU150756B2 - An improved lubricating grease comprising a grease forming lubricant base anda mixture of lithium and sodium soaps of fatty acids : en
  • GB632780A - Improvements in or relating to electrical carrier wave signalling systems : en
  • US2490138A - Valved closure for sound passages : en
  • US2490228A - Wall mold form : en
  • US2490492A - Engine suspension : en
  • CA461549A - Transmission mechanism : en fr
  • AT164771B - Method for applying an active layer of a gas-binding metal in vacuum vessels by means of rapid evaporation : de en
  • AT164781B - Meter for flowing media without a stuffing box : de en
  • AU142136B2 - Improvements relating to hairdryers : en
  • AT164711B - Belt drive : de en
  • USD156371S - Handbag fbame : en
  • US2490470A - Aerial projectile : en
  • US2490266A - Heat exchange system : en
  • CA461631A - Method of producing dialkoxy stilbene : en fr
  • US2490261A - Sickle guard : en
  • US2490455A - Machine for cutting vegetables or the like material : en
  • US2490475A - Garment hanger : en
  • CA461671A - Flour-enriching composition : en fr
  • AT164740B - Automatic electrical regulator, in particular temperature regulator : de en
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  • CA461564A - Knock-down barrel for containing liquids : en fr
  • US2490198A - Lift : en
  • US2490185A - Illuminated globe : en
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  • FR953624A - Toy railroad : en fr
  • GB632913A - Improvements in or relating to high frequency electric discharge tube structures : en
  • CA461567A - Adjustable socket wrench : en fr
  • FI24051A - Sätt och anordning för tyning av torn innehållande massa av hög konsistens : en fi
  • US2490129A - Method and apparatus for fabricating mica : en
  • CA461607A - Cellular material : en fr
  • FR953520A - Improvements to cowls for air-cooled internal combustion engines, for aircraft : en fr
  • AT164798B - Process for the production of gap-filling amino formaldehyde adhesives : de en
  • US2490224A - Mop head frame for interchangeable mop heads : en
  • US2490437A - Ddt in petroleum solvent stabilized with lanolin and dimerized eighteen carbon atom fatty acids : en
  • USD156347S - Telephone switchboard cabinet : en
  • AT164707B - Device for operating the tine carrier of hay rakes : de en
  • AT164662B - Piston pump for liquids, especially thick matter : de en
  • AT164692B - Safety valve with toothed ring adjustable by screwing : de en
  • CA461677A - Gripper mechanism of axminster carpet and other tufted-fabric loom : en fr
  • CA461628A - Disc diamond dressing tool : en fr
  • CA461664A - Radial aircraft engine : en fr
  • CA461548A - Swivel valve joint : en fr
  • GB632705A - Improvements in or relating to containers having paper handles : en
  • IE18971L - Husking cereal grains : en
  • FR953603A - Packaging machine : en fr
  • GB632839A - Improvements in or relating to processes and apparatus for removing lead from tin : en
  • US2490290A - Method and means for supplying heating current to the valves of electric current converters : en
  • US2490587A - Manufacture of oxygen : en
  • FR953641A - Improvements to devices for working materials, in particular pasty materials, such as chocolate pastes : en fr
  • GB632908A - Improvements in or relating to marksmen's spectacles : en
  • CA461579A - Thiophane carboxyhydrazides and method of preparing the same : en fr
  • CA17259S - Carton : en
  • US2490599A - Stabilizing evaporated milk : en
  • GB632861A - Improvements in and relating to gear change mechanism : en
  • FI24025A - Anordning for the purpose of the administration of the aid for the sale of the product and for the use of the organic product : en fi
  • AU3023449A - Commutators : en
  • FR953526A - Surveying device : en fr
  • US2490705A - Heavy metal nicotinyl fluosilicates : en
  • US2490122A - Vibrator : en
  • AU145547B2 - An improved method for use inthe preservation of eggs : en
  • GB632782A - Improvements in shaft positioning apparatus : en
  • FI24034A - Method for polymerisation of sulphite waste liquor or mash or grits obtained from the manufacture of sulphite spirits : en fi
  • CA461582A - Planetary gearing : en fr
  • DK70294C - Regenerative heat exchanger. : da en
  • FR953306A - Improvements to diazotype photographic materials : en fr
  • US2490244A - Saw sharpening device : en
  • US2490517A - Tone bar for guitars and the like : en
  • USD156313S - Bracelet or similar article : en
  • USD156356S - Mirror or similar article : en
  • US2490311A - Device for the self-adjustment of the height of motor vehicles above the ground : en
  • AT164687B - Cardan type coupling : de en
  • GB632761A - Improvements in or relating to devices for the handling of trunks, suitcases and the like : en
  • GR12270B - MANUFACTURE OF ARTIFICIAL AND MOSAIC FLOORS FOR THE USE OF GLASS TILES. : el en
  • GB633013A - Improvements in apparatus for the controlled germination of grain during malting : en
  • FR953384A - Waterproof seal for winding watch cases : en fr
  • FR953636A - Improvements to padding with springs : en fr
  • AT164675B - Facility for the production of carbonated water : de en
  • CA461680A - Porous material : en fr
  • US2490333A - Flexible stuffing box and pipe joint assembly : en
  • AT164778B - Electrode for short wave therapy : de en
  • FR953541A - Improvements made or relating to pedal cycles : en fr
  • GB632983A - Improvements in or relating to impregnated fibrous glass products : en
  • GB633036A - Improvements in and relating to electric fluorescent lighting systems : en
  • US2490348A - Ghertman : en
  • US2490659A - Solar heated vacuum still : en
  • US2490538A - Chicken house manure conveyer : en
  • DK70293C - Device by cathode ray tube with magnetic lens for adjusting the position of the concentration field. : da en
  • DK70305C - Method for placing a head on a rivet and rivet and apparatus for use in carrying out the method. : da en
  • FR953639A - Improvements to die-casting machines : en fr
  • US2490128A - Mounting for tracers : en
  • US2490483A - Locating device : en
  • US2490567A - Preparation of polypentaerythritols : en
  • US2490326A - Egg crate flat : en
  • FR953489A - Roller instrument and manually operated character selector sleeve for printing by printing : en fr
  • GB632944A - Manufacture of disazo dyestuffs of the pyrazolone series : en
  • AT164773B - Electrical device with wiring formed by compression molding : de en
  • GB632974A - Improvements in tipping trailer vehicles : en
  • FR953405A - Relay device for call and dial repeater : en fr
  • GB633046A - Appliances for use in dyeing pile fabrics : en
  • FR953404A - Control device ensuring safe operation of gas burners ignited by pilot light : en fr
  • IS206B6 - Fish filleting machine : en is
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  • FR953367A - Mixed radio receiver : en fr
  • GB632872A - Improvements in pressure relieving means for gases under pressure : en
  • FR953378A - Equipment for automatic orientation of motor vehicle headlights and their tilting : en fr
  • GB632765A - Improved refrigeration apparatus : en
  • GB633053A - An improved magnetic core system employing a laterally moving armature : en
  • DK70299C - Window, especially for stables. : da en
  • FR953305A - Beauty product box : en fr
  • US2490704A - Reaction product of sulfonated copper phthalocyanine with an alkanolamine : en
  • USD156351S - Blouse or similar article : en
  • FR953324A - Motor device intended to obtain a reciprocating movement and apparatus using this motor : en fr
  • FR953402A - Product for the maintenance of parquet floors : en fr
  • US2490167A - Electrical bridge measuring system : en
  • US2490196A - Base metal thermopile : en
  • FR953493A - Outdoor folder : en fr
  • GB632718A - Improvements in high voltage electrical switching devices : en
  • GB632881A - Improved waterproof adhesives : en
  • US2490240A - Slide rule attachment : en
  • US2490329A - Suppression of radio-frequency noise voltages : en
  • US2490662A - Skeletonizing glass : en
  • AT164658B - Clamp buckle : de en
  • IE19062L - Photographic flash lamps : en
  • CA461635A - Chemical manufacture : en fr
  • CA461672A - Shoe and welt therefor : en fr
  • US2490576A - Electric light receptacle : en
  • CA461667A - Dynamo-electric machine with closed air circulating system : en fr
  • FR953463A - Automatic and continuous mechanical transmission : en fr
  • AU3024749A - Socket for vacuum tubes : en
  • AT164799B - Process for the production of condensation products from phenols with formaldehyde : de en
  • FR953503A - Rapid heat storage oven : en fr
  • GB632912A - Improvements in load-bearing reinforced concrete constructions : en
  • FR953539A - Improvements made or relating to bottle teats : en fr
  • GB633022A - Guide blade system for rotary elastic fluid machines : en
  • AT164672B - Process for the gasification of liquid fuels and device for carrying out the process : de en
  • US2490164A - Treatment of cellulose esters : en
  • USD156343S - Jewell sauce pan : en
  • US2490136A - Dress waist and dress skirt ensemble : en
  • US2490342A - Educational toy : en
  • US2490738A - Snubber : en
  • AU149004B2 - Improvements in or relating to fluorescent sign lamps : en
  • AU135410B2 - Centre fed antenna : en
  • GB632757A - New plastic compositions : en
  • US2490105A - Electric furnace cooling system : en
  • US2490161A - Melting furnace : en
  • USD156328S - Farley combination cowl and instrument panel for automobiles : en
  • AU3023349A - Improvements relating tothe suspension of axle hung electric traction motors : en
  • CA461535A - Vehicle wheel : en fr
  • AT164731B - Control device : de en
  • US2490573A - Process for the manufacture of phosphorus compounds : en
  • US2490613A - Safety device for lift and hoist cages : en
  • US2490418A - Power plant for motor vehicles : en
  • US2490438A - Louver construction and pivot clip therefor : en
  • CA461552A - Piston oil ring : en fr
  • FR953315A - Process for the preparation of complex mixtures in the form of miscible concentrated solutions : en fr
  • US2490076A - Electric oven : en
  • US2490172A - Bidirectional overload clutch : en
  • AT164759B - Universal key for opening and closing the bottoms of watch cases : de en
  • CA461641A - Setting apparatus for textile fabrics : en fr
  • US2490382A - Melting furnace : en
  • US2490046A - Jack : en
  • US2490279A - Fishline carrying and drying device : en
  • US2490624A - Operating device for the disconnecting switch arms of electric circuit breakers : en
  • USPP906P - davenport : en
  • US2490215A - Mounting for spiral blading within frustoconical mixing chambers : en
  • US2490417A - Method of making electric blankets : en
  • USD156319S - Impact wrench unit : en
  • FR953418A - Convertible furniture : en fr
  • CA461588A - Electro-mechanical transducer device : en fr
  • AT164678B - Fuel injection device for internal combustion engines, in particular for a free-flight piston engine with variable piston stroke : de en
  • US2490282A - Coupling of aromatic hydroxy compounds : en
  • AT164717B - Earth fault protection device for single-phase alternators : de en
  • US2490510A - Unloading valve : en
  • US2490674A - Device for precision recording of x-ray diffraction patterns : en
  • CA461585A - Liquid level control : en fr
  • CA461661A - Modified lubricating oil : en fr
  • FR953379A - single-phase traction equipment : en fr
  • FR953513A - Hand pump for bicycles : en fr
  • CA461636A - Thermostatic control : en fr
  • US2490255A - Portable power actuated rim-driven annular saw : en
  • US2490756A - N-alkenyl lactamides : en
  • US2490170A - Knife structure for lawn mowers and the like : en
  • AT164746B - Additional device for hotplates : de en
  • US2490621A - Display device : en
  • US2490542A - Mercury arc rectifier : en
  • FR953414A - Floor-ceiling in combined prefabricated elements, but independent : en fr
  • GB632817A - Improvements in and relating to kinematographic projection with continuously moving film : en
  • FR953630A - Checkout : en fr
  • GB632860A - Improvements in unloader valves for swabs for oil or other wells : en
  • GB632914A - Improvements in and relating to x-ray apparatus : en
  • USD156338S - Holcomb set of puzzle cubes : en
  • GB632836A - Improvements in or relating to photographic developing agents : en
  • US2490350A - Means for centralizing casing and the like in a well : en
  • US2490338A - Photographic numbering appliance for scenes, for use in the photo-electric recording of sounds : en
  • GB632756A - Improvements relating to the mounting of fittings on flexible containers for liquids : en
  • GB632768A - Improvements in locks : en
  • GB633031A - Improvements in and relating to a precision machine tool : en
  • GB633032A - A planting tool : en
  • US2490655A - Electric control device : en
  • US2490672A - Nitroethylpyridines : en
  • GB632713A - Improvements in or relating to nozzles with cut-off devices : en
  • GB632966A - Tube-ice machine : en
  • US2490590A - Garment hanger : en
  • FI24052A - Förfaringssätt for framställning av bägarformade kapslar : en fi
  • GB632932A - Production of colored designs on textile material by the diazotype process : en
  • US2490371A - Pipe facing machine : en
  • FR953370A - Nut lock : en fr
  • GB632869A - Lathes and like machine tools : en
  • US2490109A - Alkoxy isobutyric acid derivatives : en
  • US2490219A - Pressure relief valve construction : en
  • US2490467A - Melon tongs or carrier : en
  • US2490741A - Adjusting apparatus for spring mechanism : en
  • US2490124A - Hair-waving apparatus : en
  • US2490710A - Rake : en
  • FR953425A - Improvement in the detector circuit of a reflex assembly : en fr
  • FR953461A - Manufacturing process by molding of a hollow body constituting a construction element, and molding machine for implementing this process : en fr
  • CA461551A - Hand drill and like tools : en fr
  • GB632743A - Improvements in holders for electric discharge lamps : en
  • GB632955A - Improvements in and relating to polysiloxanes : en
  • GB632990A - A process for the preparation of a product suitable for use as a lubricant, an addition to a lubricant, or capable of being used in the preparation of a lubricant or an addition to a lubricant : en
  • GB632899A - Improvements in or relating to radio and other high frequency power measuring arrangements : en
  • FR953518A - Removable shoe sole : en fr
  • FR953609A - Pulley with decomposable grooves for trapezoidal belts : en fr
  • US2490444A - Alkylated aromatic compounds of improved color from impure starting materials : en
  • FR953376A - Safety device for staplers : en fr
  • AT164710B - Mower with cutting unit in front : de en
  • AU2802249A - Improvements in fly screens : en
  • CA461562A - Heat insulation : en fr
  • FI24037A - Regulatory arrangements for drag-and-drop equipment : en fi
  • FR953375A - Universal grinding machine : en fr
  • FR953502A - Actuator with position indication for switches and other devices : en fr
  • FR953566A - Substitute for toilet soap : en fr
  • GB632973A - Improvements in or relating to heads for container filling machines : en
  • GB632879A - Improvements in or relating to conveyor systems : en
  • FR953447A - Direct reading direction finders : en fr
  • GB632888A - A process and apparatus for intimately contacting two immiscible or only partially miscible liquids : en
  • GB632958A - Method and device for filling annealing pots : en
  • FR953551A - Starter Launcher Improvements : en fr
  • GB632904A - Improvements in electric thermostats : en
  • GB633039A - Improvements in or relating to reciprocating electric motors : en
  • FR953452A - Machine for the manufacture of tube feet of t. s. f. or others : en fr
  • GB632733A - Improved methods of and means for coating explosive charges : en
  • US2490064A - Thermodynamic machine : en
  • FR953401A - Coiled bar suspension system working in flexion : en fr
  • FR953626A - Device for measuring and regulating the level of a liquid in a tank : en fr
  • GB632722A - Improvements in synthetic rubber-resin compositions : en
  • FR953476A - Process for the extraction of various products, by treatment of wood and plant substances and resulting products : en fr
  • FR953587A - Carbon-based solids gasification process : en fr
  • GB632728A - Improvements in or relating to internal combustion engines : en
  • GB632777A - Improvements in electrical indicating meters : en
  • USD156375S - Phonograph cabinet : en
  • USD156341S - Iannelli hair drier : en
  • US2490140A - X-ray device : en
  • US2490014A - Trailer for motor vehicles : en
  • US2490725A - Electromagnetic transfer mechanism : en
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  • AT164761B - Process for the production of artificial veneers : de en
  • GB632885A - Improvements in or relating to cutting tools made of tungsten and similar carbides : en
  • FR953455A - Universal machine for working wood and soft materials : en fr
  • GB632851A - Improvements in or relating to the manufacture of dental plates : en
  • AT164728B - Section separator for overhead lines in electric railways : de en
  • US2490018A - Fastener for window screens, storm windows, and the like : en
  • FR953432A - Improvements to incubators or artificial incubators : en fr
  • FR953554A - Improvements to a friction clutch : en fr
  • FR953510A - Improvements in the manufacture of concrete materials : en fr
  • FR953322A - Compensated suspension system : en fr
  • FR953572A - Three-shot shotgun : en fr
  • AT164716B - Transformer with insulating liquid and expansion vessel : de en
  • AT164737B - Device for synchronous transfer of movements : de en
  • US2490498A - Fly killer : en
  • US2490645A - Trailer hitch : en
  • USD156309S - Toy carousel : en
  • GB632719A - Improvements in and relating to grinding mills : en
  • US2490617A - Molten metal pyrometer device : en
  • US2490117A - Adjustable boring bar : en
  • FR953387A - Filter bag filters improvements : en fr
  • GB632789A - Manufacture and application of cold-swelling starches : en
  • FR953582A - Pulling and tensioning device : en fr
  • US2490508A - Hat basket : en
  • US2490159A - Paintbrush having a plurality of detachable tuft sections : en
  • US2490151A - Drill bit : en
  • US2490763A - Removable furniture upholstery : en
  • FR953366A - Cam tracing device : en fr
  • GB632976A - Electromagnetic relay especially for telephone plants : en
  • GB633040A - Improvements in or relating to machines suitable for use in the manufacture of shoes : en
  • FI24047A - A method of sealing pipe flanges and the like : en fi
  • FR953486A - Antenna improvements : en fr
  • FR953392A - Quick-adapting independent bag on the bicycle rack : en fr
  • FR953516A - Comb : en fr
  • GB633014A - Welding stud : en
  • GB633020A - Low voltage electric soldering iron : en
  • US2490199A - Jack : en
  • US2490561A - Television picture mixing circuit : en
  • US2490682A - Conveyer chain : en
  • FI24036A - Hetvatten-ak accumulatoranläggning : en fi
  • FR953600A - Educational game designed to make it easier to understand logical analysis : en fr
  • US2490208A - Soft formation core bit cutterhead : en
  • US2490331A - Optical glass : en
  • US2490568A - Means for lubricating spacebands : en
  • FR953649A - Advanced jet for sprayers : en fr
  • DK70313C - Oven or oven part, intended for exposure to high temperatures. : da en
  • CA461554A - Filter : en fr
  • FR953407A - Film endowed with insecticidal properties, process for its manufacture and applications : en fr
  • GB632762A - Indicating device for the end of a page on typewriters : en
  • CA461623A - Process for the manufacture of artificial crystals : en fr
  • US2490334A - Actuating means for rail lubricating pumps : en
  • CA461643A - Plasticizing synthetic rubber : en fr
  • US2490301A - Picker check for looms : en
  • USD156354S - Belle wrench : en
  • CA461597A - Power lift for grain drills : en fr
  • US2490019A - Drier suitable for drying the human fingers : en
  • US2490532A - Dump truck : en
  • USD156317S - Combined taillight and tool kit : en
  • US2490450A - Glass-shaping mold : en
  • AT164695B - Beverage mixer. : de en
  • US2490111A - Apparatus for laminating articles : en
  • US2490116A - Separator or collector : en
  • US2490343A - Method and apparatus for final shaping ends of tubular members : en
  • GB632803A - Optical system for photographic copying apparatus : en
  • GB632846A - Improvements in and relating to brakes for vehicles and other uses : en
  • GB632925A - Improvements in or relating to high frequency electron discharge apparatus : en
  • US2490344A - Dry sterilizer cabinet : en
  • FR953313A - Wristwatch-tactile alarm clock : en fr
  • US2490638A - Bent glass or plastic picture frame : en
  • USD156332S - Lighting fixture : en
  • US2490236A - Piezoelectric transducer : en
  • FR953441A - Process for recovering the products resulting from the disintegration of vegetable fibrous materials in the nitric process : en fr
  • GB632933A - Magnetic swivel work holder : en
  • CA461590A - Press for sheet or slab material : en fr
  • US2490083A - Jet lighter : en
  • US2490369A - Tripod leg : en
  • US2490557A - Box : en
  • GB632994A - Thermally actuated valves : en
  • AT164697B - Pressure regulating device : de en
  • US2490231A - Coated abrasive : en
  • US2490403A - Protector rod for looms : en
  • FR953622A - Azo printing pastes and dyes : en fr
  • US2490163A - Photographic shutter having flash synchronizer with safety interlock : en
  • US2490463A - Synthesis of hydrocarbons : en
  • US2490204A - Combined brake beam and brake head : en
  • AT164772B - Electric discharge tube with a bundled stream of electrons : de en
  • AU3031249A - Improvements in mounting arrangements in an electric table lamp : en
  • FR953492A - Detachable electric thrusters for light craft or other applications : en fr
  • GB632778A - Improvements in telephonic transmission systems using multiple channel carrier currents : en
  • GB632776A - Improvements relating to electrical phase responsive circuits : en
  • US2490609A - Cargo handling apparatus : en
  • US2490730A - Device for electrically treating liquids : en
  • USD156326S - Ash tray and stand for score pads : en
  • FR953567A - Semi-trailer with retractable main and auxiliary wheels : en fr
  • US2490494A - Refrigerator cabinet : en
  • FI24055A - Warp log working width setting device : en fi
  • GB632786A - Process for producing water-insoluble layers on substrata, and the manufacture of preparations suitable therefore : en
  • BE492632A - : en
  • US2490400A - Device fob medical examination with : en
  • US2490082A - Lighter for pipes and cigarettes : en
  • AT164767B - A measuring mechanism consisting of two coils arranged at an angle and a permanent magnet : de en
  • AT164669B - Friction clutch : de en
  • AU146333B2 - Improvements in or relating to curtain heading tapes : en
  • CA461640A - Brush-stem forming machine : en fr
  • US2490247A - Floor tile composition : en
  • AU146362B2 - Improvements in or relating to lasts and trees for boots and shoes : en
  • CA461646A - Centimeter wave apparatus : en fr
  • US2490754A - Activation of cellulose for acylation : en
  • US2490153A - Weld rod holder : en
  • FR953565A - Improvements to vulcanizing devices : en fr
  • GB632965A - Improvements in method and apparatus for straining liquids : en
  • US2490090A - Sealing device for coke ovens with movable walls : en
  • USD156365S - Coin bank : en
  • CA461659A - Conversion of hydrocarbon : en fr
  • US2490340A - Electric clock system : en
  • US2490285A - Hair retainer : en
  • US2490631A - Contact device : en
  • US2490760A - Water spot prevention in photographic film : en
  • US2490201A - Garment hanger : en
  • FI24039A - Sauna oven : en fi
  • US2490156A - Card for direct and sequence sorting : en
  • US2490640A - Pipe joint : en
  • AT164755B - Method and device for the contactless determination of voltage and current conditions as well as faults in electrical lines : de en
  • US2490451A - Method of making thermoplastic covers : en
  • FI24029A - Sätt för framställning av kalciumkarbid : en fi
  • AU147836B2 - Generator energization control : en
  • US2490575A - Pump : en
  • CA461589A - Multi-way liquid valve : en fr
  • CA461569A - Piston expander : en fr
  • AT164750B - Precision beam balance : de en
  • AU149753B2 - Socket for vacuum tubes : en
  • AT164751B - Device for temperature measurement and registration : de en
  • US2490373A - Key controlled machines with record punching and printing means : en
  • US2490396A - Key holder : en
  • US2490468A - Vacuum gauge structure : en
  • AT164702B - Lever press for fruit juice extraction u. like : de en
  • GB632835A - Improvements in or relating to colour photography : en
  • GB633000A - Improvements in the recording and reproduction of oscillations : en
  • AU146364B2 - Improvements in or relating to discharging apparatus of bins for powders andother flowable solid materials : en
  • US2490384A - Knife for lauter machines : en
  • US2490306A - Instrument landing system : en
  • US2490318A - Folding table legs with actuator gravity lock : en
  • FR953435A - Electric coffee maker : en fr
  • GB633008A - A process for the treatment of complex lithium compounds : en
  • US2490238A - Capacity responsive system : en
  • GB632709A - Paper strap : en
  • GB632849A - Filling arrangement for ball-pointed fountain pens : en
  • FR953354A - Removable connection device of a radio apparatus box or similar assembly on a mooring bay : en fr
  • FR953398A - Safety device for closing doors : en fr
  • GB632804A - Improvements in colour photographic materials : en
  • US2490186A - Bicycle package : en
  • US2490574A - Apparatus for testing gyroscopic instruments : en
  • US2490610A - Stowage lift : en
  • US2490024A - Automatic arc welding apparatus : en
  • US2490322A - Hosiery drier : en
  • US2490591A - Motor-driven tuning control for radio receivers : en
  • AU3044349A - Generator energization control : en
  • GB632735A - Child's folding push-chair : en
  • AU145649B2 - Improvements in and relating to resonators for use in monitoring radar equipment : en
  • AU3022549A - Arrangement in connection with refrigerators, refrigerator boxes andthe like : en
  • AT164713B - Switching arrangement for transformers in changing operating conditions : de en
  • US2490747A - Infinity sight using a transparent reflector : en
  • CA461539A - Press bed drive : en fr
  • US2490625A - Transfer molding press : en
  • US2490310A - Self-loading scraper : en
  • US2490368A - Candy containing horn novelty : en
  • CA461648A - Refractory : en fr
  • GB632811A - Improvements in or relating to caps for the reclosure of containers normally closed by a disc of sheet material : en
  • US2490210A - Chair base : en
  • US2490230A - Toy holder for children's chairs : en
  • US2490593A - Combined portable welding and pneumatic tool : en
  • AU3028549A - Improvements in or relating to apparatus for applying pressure to shoe bottoms : en
  • US2490515A - Power transmission and support therefor : en
  • US2490761A - Poultry slaughtering device : en
  • AT164709B - Rakes stamped from sheet metal : de en
  • US2490748A - Preparation of esters of acids of phosphorus : en
  • US2490487A - Electronic noise generator : en
  • US2490548A - Method of making composite articles : en
  • AT164766B - Method for determining the mean diameter of rope-like goods, in particular paper cords : de en
  • AT164704B - Fertilizer spreader : de en
  • USD156384S - Handle for a mirror or like article : en
  • USD156393S - Circuit making device : en
  • US2490303A - Dispensing container with collapsible liner : en
  • US2490376A - Apparatus for gauging tapered workpieces : en
  • CA461568A - Safety ash tray : en fr
  • US2490598A - Tubular secondary electric battery : en
  • AT164680B - Device for filling liquids, especially for chemical plants and the food industry : de en
  • AT164752B - Device for testing coils for shorted turns with magnetic coupling of the test object : de en
  • CA461652A - Printing press, bed and travelling cylinder style : en fr
  • US2490473A - Accelerator rod detent : en
  • FR953485A - Board game : en fr
  • GB632978A - Torsion-resisting rail : en
  • US2490079A - Contacting apparatus : en
  • US2490560A - Caster mounting and control means for landing wheels of aircraft : en
  • US2490708A - Gear shift attachment : en
  • US2490743A - High-voltage generator : en
  • US2490520A - Reciprocating agitator for screens : en
  • AU3024649A - Improvements in or relating tothe application ofa urea-formaldehyde resin coating to produce moistureproof film, andthe moistureproof film produced thereby : en
  • AU135393B2 - Improved wire tying device for use with hay baling presses andthe like : en
  • FR953573A - Tool lifting device for agricultural machinery : en fr
  • US2490175A - Combination flash arrester and check valve : en
  • US2490466A - Loudspeaker diaphragm support comprising plural compliant members : en
  • US2490622A - High-frequency transmission line or cable and connector therefor : en
  • US2490728A - Self-locking nut : en
  • FR953434A - Universal security lock especially for furniture : en fr
  • GB632755A - Improvements in or relating to corselettes, corset belts and like garments : en
  • GB632882A - Improvements in or relating to magnetic alloys and methods of producing thin sheets thereof : en
  • USD156330S - Carrier for capsules and the like : en
  • CA461621A - Apparatus for heating by high frequency electric currents : en fr
  • US2490670A - Process for separating para-ethyl phenol from meta-ethyl phenol : en
  • US2490354A - Variable output welding transformer : en
  • FR953439A - Device for dismantling column blocks used in particular in cutting, stamping, bending, etc. operations. : en fr
  • AT164657B - Single-fountain knitted fabric with a compression layer : de en
  • AU151276B2 - Method and apparatus for producing ingots or castings of titanium and zirconium : en
  • US2490359A - Fusible link : en
  • US2490691A - Alkyl polysilicates : en
  • US2490722A - Sugar-cane wax production : en
  • US2490649A - Wind protected card table top : en
  • USRE23179E - Increasing : en
  • US2490745A - Cellulose carboxylic ester silver halide emulsions sensitized with benzothiazole and benzoselenazole quaternary salts : en
  • US2490749A - Mixed grain photographic emulsions : en
  • FR953410A - Breaking device for electric fence : en fr
  • US2490534A - Combustion-responsive means for burner control systems : en
  • AU150769B2 - Method and apparatus for producing ingots or castings ofthe refractory metals, titanium, tungsten, molybdenum, tantalum, chromium columbium and zirconium : en
  • GB632963A - Improvements in and relating to mass spectrometers : en
  • IS205B6 - Improvements to or relating to radio navigation systems. : en is
  • US2490411A - Reservation control device : en
  • US2490518A - N-thio amine vulcanization agents for butadiene copolymers : en
  • US2490643A - Continuous method for preparing cellulose esters having a high propionyl and butyryl content : en
  • US2490413A - Self-service refrigerated display case : en
  • US2490372A - Methods of preparing polymeric materials from isopropenyl toluene : en
  • US2490394A - Wireless signaling system : en
  • US2490703A - Salts of organic dyestuffs : en
  • AT164665B - Sealing insert for hollow cylindrical slides of slide-controlled internal combustion engines : de en
  • AT164782B - Graphic vocabulary evidence : de en
  • AT164777B - Electric discharge tube : de en
  • AT164652B - bag : de en
  • AT164762B - Light metal rod winding for electrical machines : de en
  • CA461532A - Tobacco curer : en fr
  • US2490125A - Adjustable lamp support : en
  • USD156390S - Combination carriage, walker, and rocejer : en
  • AT164718B - Electric power transmission for constant performance : de en
  • US2490530A - Wave-signal analyzing system : en
  • US2490759A - Method of cleaning scale : en
  • US2490044A - Magnetic clutch : en
  • US2490397A - Reamer : en
  • US2490119A - Gas cutting apparatus for serrating metal : en
  • CA461668A - Well logging method and device : en fr
  • US2490267A - Pilot stabilizer for pot type oil burners : en
  • US2490366A - Claw assembly for milking machines : en
  • US2490762A - Shuttle friction pad and assembly : en
  • GB632906A - Improvements in and relating to glass compositions : en
  • GB633011A - Improvements in or relating to a gas turbine : en
  • US2490021A - Rotor for pancake type induction motors : en
  • US2490071A - Laundry sorting apparatus : en
  • US2490058A - Slide mounting : en
  • CA461598A - Method of removing manganese from magnesium : en fr
  • US2490174A - Control servo unit-hydraulic actuator : en
  • USD156373S - Automobile windshield shade : en
  • US2490489A - Process for copolymerizing maleic anhydride and styrene : en
  • AT164666B - Apiary : de en
  • AT164676B - Device for dispensing liquids : de en
  • AT164715B - Contact wire suspension for electric railways, in particular for trolleybus contact lines : de en
  • AT164770B - Transmit-receive circuit : de en
  • CA461603A - Electronic translating device : en fr
  • FR953415A - Probe relay for reproducing machines : en fr
  • FR953388A - Cleaning device for household and similar purposes : en fr
  • FR953590A - Method of obtaining electrical networks and products obtained : en fr
  • GB632793A - Improvements in or relating to rotary brushes : en
  • FR953628A - Circular comb for combers : en fr
  • AT164789B - Process for the preparation of sulfonyl derivatives of the thiazole series : de en
  • GB632991A - Improvements in electric welding : en
  • US2490731A - Electron beam control apparatus : en
  • FR953316A - Backfire protection device for starters : en fr
  • AU3024549A - Improvements in or relating tothe production of partially condensed urea-formaldehyde resins in aqueous dispersion : en
  • US2490525A - Steplessly variable speed-changing gear : en
  • AU3026349A - Improvements inthe manufacture of footwear andin moulds usedfor this purpose : en
  • CA461613A - Gain-control arrangement : en fr
  • CA461642A - Electrical system : en fr
  • AU3026049A - An improved method for use inthe preservation of eggs : en
  • CA461630A - Process for the amidation of esters : en fr
  • AT164727B - Driving frame for electric vehicles : de en
  • US2490398A - Axially engaging clutch : en
  • US2490448A - Frequency changer : en
  • AT164708B - Pollination device, in particular for pest control on fruit trees : de en
  • CA461666A - Rubber adhesive : en fr
  • GB632810A - Shaft seal : en
  • AT164763B - Circuit arrangement for company lines in telecommunication systems, in particular telephone systems : de en
  • US2490190A - Electromechanical control system : en
  • US2490253A - Armored cable connector : en
  • GB632938A - Process and composition for dyeing cellulose acetate : en
  • US2490081A - High-frequency apparatus : en
  • US2490150A - Transducer mechanism : en
  • USD156323S - Flower pot holder or similar article : en
  • FR953534A - Frequency modulated station monitor : en fr
  • US2490217A - Shallow-water alarm : en
  • GB632837A - Improvements in sharpening devices for tailor's chalk : en
  • US2490566A - Packing means : en
  • FR953396A - Tightening wrench : en fr
  • GB632760A - New plastic compositions : en
  • FR953515A - Pressure regulator : en fr
  • AT164686B - Grinding device : de en
  • GB632986A - Improvements in or relating to piston rings and the like packing rings : en
  • CA461560A - Abrasive wheel with flexible resilient rims : en fr
  • GB632738A - Grate structures : en
  • FR953480A - Universal radial sensitive drilling machine with table and multiple displacement head : en fr
  • GB633035A - Improvements in and relating to variable speed electrical power plant such as for vehicle lighting systems : en
  • FR953382A - Stylograph : en fr
  • FR953530A - Water repellent powder for cement : en fr
  • FR953552A - advanced heat exchanger : en fr
  • FR953440A - Burner for heavy liquid fuels : en fr
  • FR953525A - Improvements to polarized relays : en fr
  • GB632910A - Improvements in and relating to dough depositing machines : en
  • GB632708A - Control apparatus for automatically regulating and applying an operating force to a movable member : en
  • FR953631A - Apparatus for transporting bulk material : en fr
  • FR953431A - Advanced bathtub : en fr
  • CA461599A - Flotation of sulphide ores : en fr
  • GB632715A - Improvements in and relating to double-throw electric switches : en
  • GB632829A - Improved inlet valve for piston compressors : en
  • US2490197A - Window lock : en
  • FR953605A - Lubricating oil purification device : en fr
  • GB633026A - New or improved portable spraying apparatus : en
  • FR953617A - Improvements in methods and apparatus for producing fibers from molten material : en fr
  • FR953466A - Improvements to transmission systems : en fr
  • GB632928A - Method of stabilizing solutions of polythionates or polythionic acids : en
  • US2490753A - 2-trifluoromethyl-1,3-butadiene : en
  • FR953352A - Water heating installation combined with a gas stove : en fr
  • US2490572A - Rhodacyanine dyes and a method of preparing the same : en
  • GB632781A - Photographic enlarging apparatus with automatic focusing provision : en
  • FR953577A - Improvements in the construction of welded metal beams : en fr
  • FR953321A - Amplifier system comprising an electronic latching relay suitable for bilateral connections : en fr
  • FR953497A - Process for the preparation of a water soluble methylated methylol-melamine : en fr
  • FR953547A - High voltage electron tubes : en fr
  • US2490114A - Power absorbing apparatus : en
  • US2490462A - Halogenation products of aldehydes of mono-heteroatomic five membered rings and methods of making same : en
  • DK70311C - Bottle closure with protective capsule. : da en
  • FR953550A - Method for controlling the temperature of a pre-crucible in a glass furnace and control device allowing its implementation : en fr
  • GB632942A - Improvements in rectifiers and methods of making them : en
  • US2490435A - Electrical rectifier construction : en
  • US2490581A - Brake beam support : en
  • US2490093A - Speed control of phonograph motors : en
  • US2490168A - Sinus medication applicator : en
  • FR953449A - Improvements to ink rollers for printing machines and others : en fr
  • GB632838A - Improvements in reels : en
  • US2490173A - Blade oscillating and driving mechanism for lawn mowers : en
  • US2490406A - Apparatus for testing electrical devices : en
  • US2490692A - Apparatus for splicing strip material : en
  • USD156362S - Ximplement s supporting frame for tractors : en
  • US2490213A - Automobile door latch : en
  • US2490706A - Manufacture of zinc nicotinyl fluosilicate : en
  • US2490507A - Live bait container : en
  • FR953487A - Resonant antenna : en fr
  • CA461682A - Film record card : en fr
  • GB632915A - Improvements in and relating to x-ray apparatus : en
  • GB633024A - Improvements in locks, latches and like fastening devices : en
  • FR953504A - Bottle for nail polish and liquid products : en fr
  • US2490221A - Automatic restricted service telephone system : en
  • US2490522A - Muffler for telephone bells : en
  • USD156386S - Taber, sr x l lamp : en
  • DK70307C - Carrying car body with frames. : da en
  • US2490108A - Apparatus for continuously separating solids of explosive from liquid : en
  • US2490188A - Control system : en
  • US2490193A - Method of molding : en
  • US2490325A - Punchboard amusement device : en
  • GB633009A - An improved skip : en
  • CA461681A - Cable clamp : en fr
  • GB632725A - Improvements in or relating to decalcomanias : en
  • GB632844A - Improvements in or relating to fire-retardant and potentially heat-insulating compositions : en
  • FR953532A - Process for the manufacture of die-cast bodies and device for carrying out this process : en fr
  • US2490387A - Automatic record changer : en
  • US2490419A - Detachable handle for sanding pads : en
  • USD156396S - Textile fabric : en
  • DK70291C - Method for insulating multi-wire electrical cables using a rubber sleeve. : da en
  • AT164780B - Device for generating electrical oscillations with wavelengths of a few centimeters : de en
  • FR953597A - Improvements made to methods of fixing organs to the walls of chambers or cavities in which there is pressure : en fr
  • FI24033A - Method for the polymerisation of sulphite waste liquor or mash or grits obtained from the manufacture of sulphite spirits : en fi
  • FR953399A - Lag screw : en fr
  • AT164699B - Electric eddy current brake : de en
  • US2490200A - Differential actuating mechanism : en
  • US2490445A - Mechanism for compacting tire carcasses on tire building machines : en
  • US2490493A - Attenuation pulsation dampener : en
  • US2490356A - Collapsible bookrest : en
  • FR953509A - Improvements in halogenated rubber preparation processes : en fr
  • FR953612A - Frame and sound body for piano : en fr
  • CA461536A - Anti-rattle device for windows and the like : en fr
  • FR953563A - Perfected mill : en fr
  • GB632960A - Improvements in or relating to rheostats : en
  • GB632747A - Improvements in or relating to electric heating and cooking stoves : en
  • US2490346A - Record card sensing device : en
  • US2490519A - Apparatus for making lead oxide : en
  • US2490619A - Selector mechanism for radio apparatus : en
  • US2490736A - Apparatus for watering : en
  • US2490746A - Shipping and display box hinge construction : en
  • GB633002A - Improvements in or relating to gas containers : en
  • US2490315A - Drafting apparatus : en
  • US2490149A - Pipe joint : en
  • GB632923A - Improvements relating to the construction of rotors for compressors, turbines and like machines : en
  • AT164705B - Fertilizer spreading device : de en
  • AT164653B - Taker : de en
  • CA461608A - Voltage rectifier : en fr
  • US2490016A - Window shade fixture : en
  • USD156367S - Poynter bookcase : en
  • DK70296C - Floor cookware. : da en
  • FR953559A - Dryer : en fr
  • FR953592A - New closing method for dough containers (toothpaste tubes etc.) emptying by pressure : en fr
  • FR953338A - Carburetor : en fr
  • FR953595A - Belt buckle and belt for the application of this buckle : en fr
  • FR953586A - Manufacture of sulfuric acid or oleum : en fr
  • FR953576A - Improvements in the treatment of pitch or tar, and in the manufacture of articles molded from these products : en fr
  • GB632758A - New plastic compositions : en
  • FR953330A - Device for cutting sheet metal : en fr
  • FR953620A - Adjustable tool holder device : en fr
  • GB633049A - Improvements in foundry core box vents : en
  • FI24046A - Interconnection for the supply of electrical equipment to the electric power supply : en fi
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  • FR953456A - Protective device for makeup and hairdressing : en fr
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  • US2490620A - Leakproof coupling : en
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  • FR953564A - Flat knitting machine : en fr
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  • US2490476A - Printing telegraph system : en
  • US2490612A - Barrier for doorways or the like : en
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  • US2490428A - Modulator : en
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  • AT164754B - Device for dispensing a certain amount of liquid or gas with presetting : de en
  • CA461543A - Inner sole : en fr
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  • US2490601A - Dealkylation of alkoxyaryls : en
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  • US2490389A - Quick action fuse : en
  • CA461580A - Animal trap : en fr
  • US2490552A - Combination disposable syringe unit : en
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  • AU146363B2 - Improvements in or relating to apparatus for applying pressure to shoe bottoms : en
  • US2490602A - Electrical heating element support : en
  • US2490328A - Electrical connecting and sealing device : en
  • US2490415A - Foundation garment : en
  • CA461632A - Explosion proof electrical indicator : en fr
  • CA461663A - Helical spline torque indicator : en fr
  • US2490401A - Refrigeration : en
  • US2490544A - Bearing for drawing frames : en
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  • GB632822A - Process for the production of substituted thiophanes : en
  • US2490207A - Nursing bottle holder : en
  • FR953601A - Improvements in the stabilization of aqueous solutions of the type of carbonate solutions intended for the formation of oxide coating on aluminum : en fr
  • US2490611A - Tubular electric heating element and method of making the same : en
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  • AT164654B - Device for darning stockings or the like. : de en
  • AT164688B - Method for running in piston engines, in particular heat engines : de en
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  • AT164723B - DC control set for a large speed range with approximately constant power : de en
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  • FR953429A - Improvements applicable to all vehicles without a motor, such as the bicycle, from the point of view of the role of the arms : en fr
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  • CA461675A - Velocity modulated electrical discharge tube : en fr
  • US2490287A - Upgrading of naphtha : en
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  • CA461561A - Chick fountain guard : en fr
  • US2490393A - Hydropyranyl derivatives of hexahydropyrimidines and imidazolidines : en
  • USD156370S - Randall spoon : en
  • FR953625A - Improvements to test equipment for internal combustion engine ignition systems : en fr
  • CA461531A - Hoisting tower apparatus : en fr
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  • AT164651B - Racing game : de en
  • US2490100A - Plastic fungicidal composition and method of making the same : en
  • US2490429A - Terminal plug : en
  • US2490038A - Electrical signaling system : en
  • US2490375A - Pneumatic bore gauging head : en
  • GB633042A - Improvements in or relating to horticultural frames : en
  • US2490043A - Valve : en
  • US2490216A - Piezoelectric crystal : en
  • AT164724B - Device for electrical roller seam welding z. B. Pipe welding : de en
  • CA461673A - Portable receiver : en fr
  • GB632754A - Improvements in ammonium nitrate compositions : en
  • US2490050A - Navigation system : en
  • US2490521A - Hoisting sling arrangement : en
  • US2490085A - Sheet feeding and gauging mechanism : en
  • US2490582A - Dragline bucket : en
  • GB633029A - Cart for golf bags : en
  • US2490698A - Posthole drill : en
  • US2490047A - Slow-melting ice : en
  • FR953523A - Polymeric hydrocarbon drying oil and its preparation process : en fr
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  • US2490357A - Polymerization of siloxanes : en
  • US2490514A - Thermal-magnetic circuit breaker : en
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  • US2490039A - Arrangement for selection and demodulation of electrical pulses : en
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  • USD156334S - Goldberg hydraulic press : en
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  • GB632848A - Improvements in or relating to pesticidal compositions : en
  • GB632752A - Improvements relating to electrical capacitors and to apparatus for making same : en
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  • US2490482A - Portable coin holder or money container : en
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  • GB633043A - A safety device for writing instruments : en
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  • AU3031149A - 4Improvements in milling and insect destroying machine and method : en
  • GB632930A - Improvements in or relating to electric potentiometers and to remote supervisory systems : en
  • GB632801A - Process for the production of a derivative of benzotetronic acid : en
  • FR953488A - Device for hearing rehabilitation : en fr
  • US2490693A - Steam or hot-water boiler : en
  • AU3021149A - Improvements relating to hairdryers : en
  • IE18795L - Foundry moulds and cores : en
  • GB632809A - Improvements in or relating to ventilating fans : en
  • GB632971A - Improvements in or relating to vacuum tight metal-to-glass seals : en
  • GB633010A - Improvements in or relating to toy aeroplanes or like flying appliances : en
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  • FR953383A - Lockable differential : en fr
  • GB632797A - An improved mop : en
  • US2490378A - Single cable advancing mechanism and method : en
  • US2490719A - Automobile stabilizer : en
  • FR953427A - Support device for pneumatic and electric control station of vehicles, in particular of railway vehicles : en fr
  • FR953345A - Wrist watch : en fr
  • GB632894A - Improvements in or relating to protective attachments for cricket batting gloves : en
  • GB632957A - Improvements in and relating to sealing devices for shafts and other rotary members : en
  • US2490305A - Portable motor operated air compressor with storage tank : en
  • US2490592A - Power transmission : en
  • US2490664A - Aircraft cockpit arrangement : en
  • AT164720B - Safety circuit for contactor controls, in particular for electric locomotives : de en
  • US2490503A - Automatic speed change transmission : en
  • US2490673A - X-ray diffraction photometer : en
  • USD156331S - Animal feeding trough : en
  • DK70289C - Electromagnetic rail brake, in particular for trams. : da en
  • FR953555A - Improvements made to a hydrocarbon synthesis process : en fr
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  • GB632831A - Improvements relating to the dynamic braking of induction motors : en
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  • GB632884A - Improvements in or relating to tractors and working implements associated therewith : en
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  • FR953588A - Form-mounting machine : en fr
  • GB632979A - Improvements in or relating to internal combustion engines : en
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  • FR953412A - Indirectly heated cathode : en fr
  • FR953406A - Roofing made using prefabricated tiles : en fr
  • GB632897A - Truck for tunnel kilns : en
  • GB632937A - Improvements in or relating to a machine for uniformly tightening valve stem parts on tire tubes : en
  • FR953479A - Elastic collar lace to ensure the adherence of the towel against the neck and used mainly in hairdressers, dentists and in operating rooms : en fr
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  • AT164656B - Jaws for ski bindings or the like. : de en
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  • US2490353A - Hose reel : en
  • US2490335A - Die for cutting-out presses as used in the manufacture of boots and shoes : en
  • US2490718A - Interchangeable drill jig bushing and liner therefor : en
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  • US2490471A - Posthole digger : en
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  • AT164691B - Quick coupling : de en
  • AU145986B2 - Improvements in or connected withthe raising of mining products : en
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  • US2490434A - Cargo lashing : en
  • USD156344S - Dutch oven : en
  • US2490280A - Electromagnetically operated pretensioned contact spring : en
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  • USD156345S - Automobile hood ornament : en
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  • CA461586A - Process for producing chlorine dioxide : en fr
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  • US2490409A - Golf practice target element : en
  • US2490423A - Ship's anchor : en
  • FR953400A - Loss cell system for transmission of remote indications : en fr
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  • US2490539A - Vehicle head lamp : en
  • US2490701A - Armhole garment and method of making : en
  • US2490358A - Process for the manufacture of vitamin a-acetate : en
  • FR953458A - Continuous effect paddle wheel : en fr
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  • GB632972A - Improvements in or relating to cores suitable for making moulded articles and to the production of such articles : en
  • US2490101A - Rocket type weapon : en
  • US2490600A - Line drawing device : en
  • USD156311S - Bracelet or similar article : en
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  • FR953508A - Device for de-electrifying and dusting motion pictures : en fr
  • FR953558A - Insulated box : en fr
  • US2490107A - Hood and coil arrangement for induction furnaces : en
  • CA461593A - Economizer : en fr
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  • GB632950A - Improvements relating to fluorescent electric discharge lamps : en
  • GB633027A - Improvements in ships for carrying liquid cargoes in bulk : en
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  • GB632843A - Improvements relating to current limiters for direct and alternating current mains : en
  • GB632892A - Improvements in or relating to two-way electric pulse communication systems : en
  • US2490135A - Adjusting device for brake shoes of expander brakes : en
  • FR953599A - Improvements made to sealing devices for joints formed between tubular rivets and the structure supporting them : en fr
  • FR953635A - Hexachlorcyclohexane manufacturing process : en fr
  • GB632736A - Improvements in or relating to fishing line floats : en
  • FR953533A - Process for the reduction and sintering of moldings containing reducible metal combinations : en fr
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  • US2490527A - Concrete floor form : en
  • US2490636A - Spectacle lens cleaner : en
  • US2490026A - Pulse width control : en
  • US2490139A - Electric heating unit assemblage : en
  • DK70292C - Process for the production of base pieces for electric discharge pipes with mutually insulated metal parts fixed therein. : da en
  • AU149774B2 - Improvements in mounting arrangements in an electric table lamp : en
  • FR953465A - Perfected Beehive Scale : en fr
  • GB632788A - Improvements in and relating to multi-channel communication transmission with modulated impulses : en
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  • FR953481A - Rotating armature electric power generator and inductor : en fr
  • FR953608A - Speed reduction trolley for electric motors or others : en fr
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  • US2490633A - Purification of ammonium beryllium fluoride : en
  • FR953475A - Industrial process for the production of various products, by treatment of wood and materials of plant origin and resulting products : en fr
  • FR953619A - Electric generator : en fr
  • GB632721A - Improvements in and relating to electrically operated burglar alarm systems : en
  • GB632985A - Improvements in or relating to clutch plates : en
  • US2490187A - Expanding earth anchor : en
  • US2490233A - Lift structure for tires : en
  • US2490127A - Mount for gas burners : en
  • US2490324A - Flake ice making machine : en
  • CA461627A - Dead end coupling : en fr
  • US2490513A - Corrugated tube : en
  • US2490291A - Treatment of wells : en
  • US2490308A - Electron lens system : en
  • US2490025A - Receiver system : en
  • US2490337A - Preparation of ketals : en
  • US2490654A - Combined head covering and writing accessory : en
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  • US2490386A - Production of unsaturated acid halides : en
  • US2490583A - Composite fishhook : en
  • US2490614A - Machine for the grinding of : en
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  • US2490506A - Distribution transformer coil support : en
  • US2490516A - Work support for automatic lathes : en
  • US2490381A - Elevating conveyer : en
  • US2490695A - Hydraulic die : en
  • USD156369S - Tablecloth : en
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  • US2490553A - Disposable syringe : en
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  • US2490711A - Interconnected pressure and fluid control for pressing machines : en
  • US2490017A - Animal trap : en
  • US2490262A - Engine rocker arm : en
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  • CA461656A - Method of producing polysulphide rubber coatings : en fr
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  • US2490686A - Coupling for flexible metal hose : en
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  • US2490377A - System for determining the point of break in an electrical conductor : en
  • US2490627A - Photoelectric liquid level indicator : en
  • GB632790A - Means for lubricating bearings : en
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  • US2490758A - Fuchsone dyes in a direct positive photographic process : en
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  • USD156353S - Handkerchief or similar article : en
  • CA461654A - Method of manufacturing petroleum products : en fr
  • US2490206A - Method of normalizing coiled springs by a high-frequency magnetic field : en
  • US2490192A - Sole rounding machine : en
  • US2490549A - Method of making composite stock : en
  • US2490588A - Portable food and drink stand : en
  • US2490607A - Knitting apparatus : en
  • US2490678A - Record changing phonograph : en
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  • US2490158A - Nursing bottle holder : en
  • CA461606A - Garbage grinder : en fr
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  • AT164714B - Device for influencing the frequency characteristics of electroacoustic converters : de en
  • US2490275A - Toy bank : en
  • USD156368S - Bobby pin holder : en
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  • AT164670B - Pivoting arrangement of machines, in particular electric motors or generators, to utilize the reaction torque for setting the belt tension or the adhesive pressure : de en
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  • US2490089A - Method and apparatus for treating soap products : en
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  • GB632961A - Improvements in or relating to the synthesis of hydrocarbons and catalysts therefor : en
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  • USD156329S - Federico etal combined microphone and base therefor : en
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  • US2490687A - Flexible connection : en
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  • GB632953A - Improvements in or relating to a windshield wiper : en
  • GB633018A - Improvements in or relating to door lock structures : en
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  • US2490412A - Means for annealing coiled light gauge sheet metal : en
  • US2490264A - Rust preventing composition : en
  • DK70302C - Test tubes, especially for milk control. : da en
  • GB632947A - An improved method and apparatus for transporting and/or pumping molten metals : en
  • US2490605A - Diazotype light-sensitive layers containing 4-bromoresorcinol : en
  • US2490740A - Image tube : en
  • FI24053A - Explanation of the rules and regulations : en fi
  • AU2257645A - Improved wire tying device for use with hay baling presses andthe like : en
  • GB632820A - Improvements in or relating to the production of organic compounds by chemical transformation of methane or its sulfonated and/or oxygenated derivatives : en
  • GB632883A - Improvements relating to sound reproducing apparatus : en
  • GB632779A - Improvements in or relating to wireless signalling systems : en
  • FR953571A - Restrainer to prevent cheese from leaking : en fr
  • FR953377A - Improvements made to pressure regulators : en fr
  • GB632856A - Improvements in or relating to mounting arrangements for electrical apparatus : en
  • GB632867A - Improvements in or relating to mold and pattern separating and actuating mechanism : en
  • US2490666A - Telegraph switching system : en
  • GB632891A - Improvements relating to mechanical shovels : en
  • FR953411A - Improvement in the process of coating a surface, more particularly of a discharge tube electrode, and apparatus for carrying out this process : en fr
  • FR953613A - Waste heat heating steam generator : en fr
  • US2490652A - Guide for elevators : en
  • FI24038A - Procedure for knitting a cotton sock in whole or in part or as a combi sock with a blade machine : en fi
  • US2490550A - Moistureproof heat sealing composition : en
  • US2490123A - Change-over mechanism for moving picture projectors : en
  • US2490502A - Filter for air lines : en
  • GB632854A - Improvements in or relating to coin-freed amusement machines : en
  • GB633047A - Improvements in or relating to sliding roofs for vehicles : en
  • US2490594A - Plug nut : en
  • US2490667A - Dual-speed phonograph turntable drive utilizing two motors : en
  • US2490533A - Digester control : en
  • AT164683B - Noise damping for the valve drives of internal combustion engines : de en
  • US2490169A - Knife structure for lawn mowers and the like : en
  • US2490535A - Refrigerator : en
  • FR953416A - Self-regulating speed reducer : en fr
  • GB632887A - Shock absorbing bearing for movable parts in watch movements and the like : en
  • FR953496A - Improvement in chlorite oxidation processes : en fr
  • US2490113A - Engine output equalizing apparatus : en
  • US2490461A - Apparatus for seismic prospecting : en
  • US2490681A - Floor polisher : en
  • GB632999A - Improvements in or relating to electrical regulating systems : en
  • GB632769A - Improvements in measuring instruments, relays and the like apparatuses : en
  • FR953361A - Improvements in the construction of the lower part of the crucible of igneous electrolysis cells : en fr
  • US2490332A - Pack board harness : en
  • US2490651A - Handbag with inner pivotally aligned purses : en
  • GB632798A - Improvements in casting reel for a fishing rod : en
  • US2490270A - Resins from thiophene and turpentine : en
  • FR953560A - Improvements to control devices : en fr
  • US2490484A - Hydraulic pump : en
  • USD156318S - Direction signal for vehicles : en
  • USD156314S - Bracelet or similar article : en
  • US2490251A - Control for electric circuits : en
  • US2490033A - Method for the duplicating of index cards and the like for cross filing purposes : en
  • US2490504A - Hinging arrangement : en
  • US2490481A - Stabilized ddt solutions : en
  • US2490697A - Folding apparatus : en
  • US2490203A - Pattern grading machine : en
  • FR953417A - Safety barrel for lock : en fr
  • FR953353A - Improvements to selector switch orientation systems : en fr
  • GB632901A - Receiving arrangements for multichannel electric pulse communication systems : en
  • CA461625A - Polyvinyl alcohol article and process : en fr
  • GB632898A - Improvements relating to roof ventilators : en
  • FI24041A - Thermal insulation water roof construction method : en fi
  • AT164790B - Process for the preparation of new thiocarbamide derivatives : de en
  • DK70300C - Generator for course-indicating maneuvering instruments according to the induction principle. : da en
  • GB632794A - Improvements in or relating to electric circuit breakers : en
  • AT164792B - Process for the production of new mercury compounds : de en
  • CA461626A - Rock drill : en fr
  • FR953505A - Dishcloth : en fr
  • US2490426A - Cleansing tissue holder : en
  • US2490488A - Hydrocarbon synthesis catalyst : en
  • US2490714A - Preparation of diazoacetic esters : en
  • GB633017A - Improvements in or relating to blasting and like charges : en
  • FR953557A - Improvements to variable speed drives : en fr
  • AT164679B - Grain peeling machine : de en
  • USD156377S - Schulz center drive lathe : en
  • USD156382S - Handle for a mirror or like article : en
  • FR953413A - Magnetron training : en fr
  • IE19309L - Textile twisting spindles : en
  • AU3025049A - Improvements in or relating to lasts and trees for boots and shoes : en
  • FR953519A - Insulated packaging : en fr
  • GB632730A - Improvements in or relating to apparatus for mixing and bagging cattle food : en
  • FR953303A - Soft razor blade sharpening machine : en fr
  • US2490458A - Controller for electric motor driven apparatus : en
  • FI24027A - Options for decorating, including the textiles, the genome for which the price is fixed, the same as for farrowing the cost : en fi
  • US2490491A - Refrigerator condensate receiver : en
  • AT164768B - Device for automatic frequency correction : de en
  • US2490045A - Blanking system for locked sweeps in panoramic systems : en
  • US2490584A - Fishing-rod handle and reel lock : en
  • US2490075A - Floor drain fixture : en
  • FI24032A - Method for utilizing the organic component in sulphite waste liquor : en fi
  • CA461530A - Method and apparatus for the continuous manufacture of regenerated cellulose products by the viscose method : en fr
  • CA461578A - Ureylenethiophane carboxylic acids and esters and method of preparing same : en fr
  • GB632952A - Improvements in or relating to a method of rectifying heat treating baths : en
  • CA461622A - Focusing arrangement for electric discharge devices of the electron velocity modulation type : en fr
  • AU149203B2 - Improvements in or relating to glass bases for electric discharge devices having glass envelopes : en
  • CA461633A - Manufacture of copolymeric material : en fr
  • AT164668B - Slide for slide-controlled internal combustion engines : de en
  • AT164764B - Commutator machine for reverse operation : de en
  • AT164769B - Cathode ray tube : de en
  • AT164775B - Ceramic body, in particular for electrical discharge devices, and methods for combining bodies, at least one of which is made of ceramic material : de en
  • AU3029249A - Anew or improved elastic fabric : en
  • AT164684B - Air-cooled internal combustion engine : de en
  • AU146960B2 - Generator armature test : en
  • GB632858A - Improvements in or relating to mounting arrangements for electrical apparatus : en
  • CA461592A - Activated carbon : en fr
  • GB632731A - Improvements in matrix drying and forming machines : en
  • GB633016A - Improvements relating to wireless antennae for motor vehicles : en
  • GB632939A - Improvements in or relating to target detecting systems : en
  • AU3019549A - Improvements in or relating to curtain heading tapes : en
  • FR953326A - Construction process using prefabricated welded elements : en fr
  • GB632795A - Code-convertor : en
  • FI24028A - Sät att framställa polymeriserat material av Torv, torvkol och / eller brunkol jämte enligt sättet framställt polymerisat : en fi
  • US2490570A - Pyrophoric alloys of lead and zirconium and sparking devices containing the same : en
  • US2490699A - Adjustable drinking fountain : en
  • FR953549A - Steam generator : en fr
  • FI24043A - Anordning for the production of metal genomics : en fi
  • AT164765B - Device for comparing the local position of two, in particular, longitudinally moving organs for display or control purposes : de en
  • GB632772A - Improvements relating to the mounting of shaft bearings : en
  • GB632917A - Improvements in and relating to electric discharge devices such as discharge lamps : en
  • FR953538A - Dielectric compositions : en fr
  • FR953618A - Structure of airplanes : en fr
  • GB632855A - Loading device for shaker conveyors : en
  • US2490110A - Vacuum tube : en
  • US2490248A - Fish lure : en
  • GB632764A - A process for the manufacture of 4-amino-benzimidazole : en
  • FR953428A - Jewelry clasp particularly applicable to necklaces : en fr
  • GR12269B - SUBMARINE - CHILDREN'S TOY. : el en
  • US2490242A - Tie plate and rail anchor : en
  • US2490497A - Checkering tool : en
  • GB632936A - Improvements relating to the manufacture and use of resinous anion-exchanger products : en
  • FR953301A - Method and device for handling powdered materials : en fr
  • FR953331A - Feeding device for loom with automatic shuttle change : en fr
  • FR953423A - Product for greasing cooking utensils : en fr
  • GB632770A - Improvements in devices for actuating brake cables or like members for transmitting motion : en
  • FR953340A - Cut building stone and construction method : en fr
  • US2490098A - Fluoropiperidine compounds : en
  • US2490529A - Variable firing rate oil pressure atomizing burner : en
  • FR953424A - Yellow mineral dyes, their manufacturing process and applications : en fr
  • GB632787A - Improvements in and relating to wrinkle varnishes and wrinkle oils : en
  • FR953459A - Manufacture of natural silk powder and its application in cosmetic products : en fr
  • CA461570A - Garment : en fr
  • GB632799A - Improvements in the construction of musical wind instruments and more particularly saxophones : en
  • GB632890A - Improvements relating to mechanical shovels : en
  • FR953482A - Spring device for spraying and mixing fluids : en fr
  • FR953569A - Nursing bra : en fr
  • GB632868A - Improvements in or relating to a composite resilient bushing : en
  • US2490379A - Mixing device : en
  • US2490449A - Combination reciprocating and rotating tool : en
  • US2490755A - Automatic type shutter with built-in synchronizer : en
  • CA461572A - Tuning system : en fr
  • US2490363A - Hose coupling : en
  • US2490390A - Register : en
  • US2490578A - Hydrocarbon conversion process : en
  • US2490751A - Mixed grain multilayer photographic film and process : en
  • FR953468A - Process for the preparation of colored photographic layers : en fr
  • GB632968A - Securing handles to screw drivers and like hand tools : en
  • GB633034A - Improvements in or relating to tilting furnaces and metal mixers : en
  • FR953650A - Hertzian wave television device intended to allow the flight and landing of planes without visibility : en fr
  • GB632996A - Improvements in or relating to the manufacture of cylindrical and conical tubes from plain plates : en
  • US2490490A - Vineyard plow : en
  • US2490293A - Crankpin lubrication means : en
  • FR953333A - Sound recording and reproduction device : en fr
  • FR953454A - Articulated bicycle fork : en fr
  • GB633006A - Improvements in dyeing and like devices comprising rollers forming a trough-reservoir : en
  • GB632737A - Floating airplane fields : en
  • US2490479A - Oil burner tube assembly : en
  • US2490579A - Direct-current measuring system : en
  • AU144753B2 - An adjustable drill : en
  • AU3020749A - Method and apparatus for producing ingots or castings of titanium and zirconium : en
  • US2490040A - Actuator : en
  • US2490540A - Animal trap : en
  • USD156376S - Chair : en
  • DK70308C - Signal light for vehicles and vessels. : da en
  • FR953616A - Improvements made to a hydrocarbon synthesis process : en fr
  • GB632929A - Method of stabilizing solutions of polythionic compounds : en
  • GB632995A - Improvements in or relating to method of making a film of thermoplastic material : en
  • US2490399A - Gold compounds and ceramic-decorating compositions containing same : en
  • CA17252S - Pack for fragile article : en
  • AU146094B2 - Anew or improved hydraulic apparatus for preventing, checking or controlling relative movement between associated bodies arising from changes inthe movement of atleast oneof such bodies andthe inertia ofthese bodies : en
  • AT164794B - Process for the production of vaults for industrial furnaces, in particular Siemens-Martin furnaces : de en
  • US2490130A - Lifting device for beds : en
  • US2490407A - Device for wrapping newspapers and the like : en
  • US2490427A - Power supply means : en
  • US2490022A - Secret signaling system : en
  • US2490580A - Electrical connection plug : en
  • AT164689B - Hand lever press, in particular toggle press : de en
  • AT164774B - Electric discharge tube : de en
  • US2490642A - Method and apparatus for physico-chemical analysis : en
  • FR953309A - Toy : en fr
  • FR953389A - Improvements to cleaning pads for household and other uses : en fr
  • IE19042L - Machines for filling containers : en
  • US2490057A - Method of making an infusion package with a nontangling handle and tag : en
  • USD156349S - Tobacco bab : en
  • US2490665A - Automatic telephone switch : en
  • AT164743B - Holding device for electric discharge tubes capped at the ends with ignition relay : de en
  • FR953638A - Improvements to endless transmission belts : en fr
  • USD156394S - Window shelf : en
  • US2490152A - Still : en
  • USD156327S - Case for carrying milk bottles and the like : en
  • AT164719B - Synchronization between a number of independent drives : de en
  • AT164783B - Blackboard type case for school lessons : de en
  • AT164722B - Securing the winding heads of rotors in electrical machines : de en
  • FR953327A - Liquid heater, functioning as a coffee maker, teapot or kettle : en fr
  • FR953512A - Device for automatically and aesthetically pleating and folding a sheet of paper, onto a body of suitable shape : en fr
  • AT164677B - Pump with one or more self-regulating pistons : de en
  • AT164674B - Multi-stage rotary motor : de en
  • AT164758B - Circuit for influencing the natural frequency of an oscillating circuit by means of a variable reactance : de en
  • US2490690A - Method for constructing training mock-up : en
  • CA461629A - Electric flat iron : en fr
  • AU143933B2 - Improvements relating tothe suspension of axle hung electric traction motors : en
  • CA461538A - Extension ladder : en fr
  • AU148658B2 - Improvements inelastic fabric and elastic yarns for use therein : en
  • US2490055A - Metal strip electroplating apparatus : en
  • US2490405A - Spring clasp for holding gloves : en
  • AT164741B - Sound conversion device : de en
  • AT164784B - Harmonica with mouthpiece : de en
  • CA461557A - Coal mining machine : en fr
  • US2490245A - Drive and belt guard assembly for motorized bicycles and the like : en
  • AU142256B2 - 4Improvements in milling and insect destroying machine and method : en
  • CA461555A - Rolling machine : en fr
  • CA461651A - Decorating machine : en fr
  • CA461540A - Electrode and method of making same : en fr
  • US2490616A - Pastry roller device : en
  • FR953342A - Automatic speed variator coupling : en fr
  • FR953446A - Directed antenna systems : en fr
  • FR953544A - Remote control systems and potentiometers usable in said systems : en fr
  • DK70314C - Light stone mass and Method for its manufacture. : da en
  • US2490137A - Corsetry : en
  • US2490486A - Automatic wheel lock : en
  • GB632723A - Improvements in or relating to electrically driven power transmission systems : en
  • USD156335S - Ring box or similar article : en
  • CA461655A - Electrically operated calculating apparatus : en fr
  • AT164786B - Acetylene generator : de en
  • CA461614A - Process for the manufacture of panthenol derivatives : en fr
  • AU149336B2 - Improvements in or relating tothe art of making a body of natural cheese ofthe Swiss type andthe natural cheese resulting from said art : en
  • CA461660A - Combined pallet and crate structure : en fr
  • GB632805A - Process for the production of compounds reducing the prothrombin level in the blood : en
  • US2490604A - Power transmission : en
  • AU140717B2 - Improvements relating to signals for accountancy andother record purposes : en
  • US2490671A - Separation of metaethylphenol from paraethylphenol : en
  • AU143196B2 - Improved means for mounting the treadle ofa power machine upon a machine bench : en
  • US2490157A - Decorticating machine : en
  • AT164753B - Pendulum inclinometer : de en
  • US2490547A - Method of and apparatus for evaporating liquids : en
  • CA461662A - Lubricating oil composition : en fr
  • US2490160A - Brake coil spring ejector : en
  • AU144846B2 - Improvements relating to control systems for dynamo electric machines : en
  • FR953325A - Automatic weighing device indicator : en fr
  • GB632834A - Improvements in or relating to articles made by coating dielectrics by metallising : en
  • AT164779B - X-ray machine : de en
  • AU144224B2 - Improvements in apparatus for greasing-baking tins and like utensils or batches of dough or paste preparatory to baking : en
  • AT164788B - Process for carrying out polymerizations : de en
  • AU147330B2 - Anew or improved elastic fabric : en
  • GB632819A - Improvements in or relating to gas-fired radiant heaters : en
  • CA461619A - Supervision of electric power supply circuit : en fr
  • FR953319A - New plant treatment process for cellulose extraction : en fr
  • AU148376B2 - Improvements relating to cargo ships : en
  • US2490501A - Coffee-making apparatus : en
  • US2490675A - Safety cutout switch : en
  • US2490707A - Latch handle assembly for washing machine drums, etc. : en
  • USD156388S - Van dyck gear checking machine : en
  • CA461670A - Combustion chamber construction : en fr
  • AT164796B - Process for the production of a magnetic material consisting of a ferromagnetic ferrite, in particular for magnetic cores : de en
  • US2490042A - Creel and spool for cut filling pile looms : en
  • US2490323A - Fluid operated pumping mechanism : en
  • US2490499A - Variable frequency oscillation generator : en
  • US2490339A - Electric glass melting furnace and process : en
  • US2490556A - Swimming trunks : en
  • CA461615A - Suction cleaner : en fr
  • AT164791B - Process for the flameless combustion of free hydrogen and free oxygen : de en
  • FR953633A - Process for the construction of roads, pavements and pavements : en fr
  • AT164701B - piston : de en
  • US2490750A - Method of removing scale : en
  • AT164733B - Mandrel with inclined guide rib for building sheet metal stacks of electrical machines : de en
  • AT164742B - Magnetic circuit consisting of one or more plates stacked on top of one another : de en
  • US2490302A - Means for removing embedded material : en
  • US2490147A - Float leaf carrier and bookmark : en
  • US2490485A - Tandem wheel landing gear assembly : en
  • AU3029049A - Improvements in or relating to discharging apparatus of bins for powders andother flowable solid materials : en
  • US2490391A - Reversible internal gear pump : en
  • US2490715A - Corn harvesting mechanism : en
  • USD156395S - Television cabinet : en
  • CA461584A - Suction roll seal assembly : en fr
  • GB632924A - Improvements in or relating to high frequency electron discharge tube structures : en
  • FR953323A - New glazed frame, easily removable interchangeable parts : en fr
  • GB632987A - Improvements in or relating to devices comprising an incandescent-cathode rectifier : en
  • US2490469A - Ladderman's shoe insert : en
  • US2490165A - Log debarking machine : en
  • AT164655B - stage : de en
  • FR953337A - Lining of mine galleries : en fr
  • FR953469A - Machine for the transport and distribution of documents or other objects : en fr
  • FR953474A - Improvements to resinous compositions, more particularly applicable to molds : en fr
  • CA461620A - Power supply system for carrier communication systems : en fr
  • GB632742A - Grid cutting and forming machine : en
  • CA461550A - Floor mat and apparatus for producing same : en fr
  • AT164738B - Electric relay : de en
  • CA461604A - Adjustable reamer and boring tool : en fr
  • FR953421A - Frame of cycle or motorcycle : en fr
  • US2490563A - Radio supporting bracket for motorcycles : en
  • AU145833B2 - Toy animal : en
  • FR953507A - Improvement in so-called grid current distributors : en fr
  • US2490051A - Radioelectric finding and telemetering system : en
  • AU3021249A - Improvements relating to cargo ships : en
  • CA461617A - Mucilaginous material : en fr
  • US2490144A - Article mixing and dispensing apparatus : en
  • US2490367A - Folding chair : en
  • US2490700A - Production of alloy coating on base metal material : en
  • GB632814A - Improvements in and relating to coolers for granular or lumpy solid material and rotary kilns : en
  • GB632905A - Improvements in or relating to electrically driven cloth cutting machines : en
  • FR953484A - Washing machine agitator : en fr
  • GB632876A - Improvements in or relating to an impact drill : en
  • US2490726A - Faucet mixing valve : en
  • US2490265A - Extensible drying rack : en
  • US2490685A - Mount for web rolls : en
  • FR953349A - Linkage for compressing machines and other similar long stroke machines : en fr
  • FR953317A - Electric switch : en fr
  • FR953627A - Holding device for spinning and twisting spindles : en fr
  • GB632969A - Improvements in sheet-feeding mechanism : en
  • FR953419A - Combined furniture for living room and bedroom : en fr
  • GB632845A - Improvements in or relating to two stroke internal combustion engines : en
  • GB632791A - Manufacture of starch preparations : en
  • AU426246A - Centre fed antenna : en
  • FR953575A - cone and counter cone clamping element : en fr
  • US2490569A - Variable transconductance amplifying circuit : en
  • GB632823A - Improvements in or relating to processing apparatus for photographic light-sensitivepaper : en
  • GB632988A - Improvements in and relating to the manufacture of chocolate in divided form : en
  • US2490656A - Rear wheel mounting and lock : en
  • FR953490A - Device with two rotors for controlling or adjusting rotational speeds, usable in particular on road or rail vehicles : en fr
  • GB632783A - Improvements in or relating to napkins : en
  • US2490077A - Machine for applying adhesives to bottom surfaces : en
  • US2490143A - Windrow pickup and distributing apparatus : en
  • US2490330A - Aircraft antenna system : en
  • US2490717A - Metal mercaptides of 2-amino-benzenethiol : en
  • US2490072A - Bale tie and holder : en
  • CA461658A - Automatic transmitter : en fr
  • CA461595A - Method of packaging fruit and vegetable juices : en fr
  • CA461634A - Nuclear chlorostyrene copolymers with dienes : en fr
  • US2490250A - Protective cover for pressure cookers : en
  • US2490562A - Current interrupting circuit : en
  • US2490558A - Quick release mechanism for parachute cargo harness : en
  • US2490637A - Handset provided with a sound collecting lid movably mounted before the microphone : en
  • USD156324S - Bathtub seat : en
  • US2490721A - Salt shaker : en
  • US2490526A - Tuning mechanism : en
  • US2490660A - Radio direction finder : en
  • US2490351A - Brassiere and garter belt : en
  • FR953634A - Method and device for detecting radiation energy : en fr
  • US2490218A - Butt hook and link assembly : en
  • USD156359S - Mcfarland bracelet : en
  • FR953542A - Cap with attached head : en fr
  • GB632745A - A truck or bogey : en
  • US2490724A - Mucking and loading machine : en
  • US2490281A - Mobile hand-controlled jig saw : en
  • FR953644A - Improvements relating to spans and elastic supports : en fr
  • FR953580A - Automatic stringing machine for sliding shutters, manually or mechanically operated : en fr
  • FI24054A - Hinge : en fi
  • US2490176A - Grain drier : en
  • US2490086A - Electrically operated shears : en
  • AT164664B - Pipe coupling for manure, irrigation u. Like plants : de en
  • CA461650A - Polyvinyl acetal resin : en fr
  • US2490650A - Lubricant holder for sportsmen : en
  • AU141552B2 - An improved clothes peg : en
  • GB632827A - Improvements in or relating to electric alarm devices for partivient animals : en
  • FR953304A - Air motor : en fr
  • FR953312A - Eccentric rotary pump : en fr
  • FR953561A - Improvements to amplifiers and / or magnetic converters : en fr
  • FR953591A - Key for cycle cranks and other uses : en fr
  • US2490048A - System and process for the remote control of selectors or similar units : en
  • US2490589A - Shuttle control mechanism for narrow ware looms : en
  • FR953335A - Calendar with removable soft band : en fr
  • FR953494A - Device for controlling the movements of motor-driven conveyor devices : en fr
  • FR953501A - Improvement in devices for compressing certain items, dried fruits, pulses, dried fish, etc. : en fr
  • GB632744A - Process for countercurrent contacting of solid particles and gases : en
  • FR953386A - Improvements to tea towels for cleaning : en fr
  • GB633019A - Improvements in or relating to processes for pelleting carbon black : en
  • FR953637A - Improvements to nut assembly methods : en fr
  • GB632749A - A new or improved form of leg ring for use upon birds : en
  • FR953363A - Adjustment device for storage water heaters : en fr
  • GB633038A - Improvements in drawing instruments : en
  • CA461559A - Side sharpening device for saw teeth : en fr
  • AU3024049A - Improvements in and relating to resonators for use in monitoring radar equipment : en
  • US2490410A - Toy riding pony : en
  • US2490545A - Apparatus for cutting and baking : en
  • GB632859A - Control means for power units including internal combustion engines and gear boxes : en
  • US2490447A - Syringe assembly : en
  • US2490066A - Diffuser : en
  • US2490115A - Variable displacement rotary pump : en
  • US2490644A - Locomotive valve gear : en
  • DK70310C - Device with freewheel hub for bicycles. : da en
  • GB632806A - Improvements in or relating to back-pressure valves : en
  • US2490032A - Ball wound method for laying wire : en
  • US2490232A - Parachute control : en
  • US2490380A - Foldable crutch : en
  • USD156387S - Trotter . vehicle : en
  • US2490307A - Stop device for machine tools : en
  • FR953328A - Improvements to aircraft : en fr
  • GB632818A - Improvements in or relating to the manufacture of fuse : en
  • GB633025A - Improvements in bell ringing apparatus : en
  • US2490480A - Bowling pin reconditioning machine : en
  • US2490184A - Wheel support : en
  • GB632734A - Improvements in or relating to the casting of metals : en
  • GB632841A - An improvement in or relating to bains-marie : en
  • US2490596A - Shielded connection : en
  • US2490112A - Apparatus for peeling vegetables and fruits : en
  • US2490314A - Combined waste grab eliminator and oil reservoir : en
  • US2490496A - Advertising display card for trousers : en
  • AU142416B2 - Improvements in fly screens : en
  • CA461610A - Light-sensitive anthraquinone sulphonic acid photoprinting material containing cupric salt : en fr
  • FR953373A - Pulse generator whose phase and duration are independent of voltage variations : en fr
  • AT164729B - Facility for communications : de en
  • CA461645A - Plasticizer for synthetic rubber : en fr
  • US2490477A - Apron : en
  • US2490352A - Lighted compact : en
  • US2490395A - Respirator : en
  • US2490256A - Conveyer control : en
  • US2490416A - Apparatus for forming closed-end tubes : en
  • GB632775A - Improvements in crossed-pointer instruments : en
  • GB632850A - Improvements in or relating to fire extinguishers : en
  • US2490474A - Safety mechanism for firearms : en
  • AT164673B - Continuously variable gear with rolling elements : de en
  • GB632729A - Improvements relating to photographic apparatus : en
  • GB632784A - Improvements in or relating to radio beacon receivers : en
  • FR953420A - Process for eliminating any danger in the handling, storage and transport of ammonium nitrate : en fr
  • USD156392S - Cigarette and tobacco-pipe lighter : en
  • FR953570A - Support for radio lamps with tightening of externally controlled contacts : en fr
  • GB633028A - Improvements in or relating to trawling gear : en