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  • GB610992A - Improvements in compasses and dividers and the like drawing instruments : en
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  • GB610663A - Ventilators : en
  • DK67806C - Machine for use in chemical cleaning of carpets as well as in washing, cleaning and cleaning floors. : da en
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  • GB610855A - Improvements in and relating to attitude indicators : en
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  • GB610521A - Shock producing machine for casting metals : en
  • FR938524A - Improvements to vehicle suspension : en fr
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  • GB610752A - Process for the production of ketones and aldehydes : en
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  • AU2317148A - Improvements intwo-coordinate step-by-step electromagnetic switches : en
  • DK67807C - Stackable chair. : da en
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  • GB610903A - Methods of and apparatus for electric welding : en
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  • USD151456S - Design for a pencil sharpener : en
  • AU2322848A - Method of making siloxanes : en
  • US2451502A - Ultra high frequency oscillator : en
  • US2451582A - Apparatus for producing mineral wool : en
  • AU144066B2 - Improvement indiscrete interval tuning system and method : en
  • US2451986A - Thermoplastic extrusion method : en
  • US2451978A - Setting apparatus for textile fabrics : en
  • CA451990A - Toggle switch : en fr
  • CA451994A - Lead alloy : en fr
  • CA452079A - Aromatic methylene thioether : en fr
  • AU2314348A - Improvements in electrical networks for echo correction in electrical signalling systems : en
  • US2451939A - Automatic switching system : en
  • CA451954A - Game : en fr
  • CA451984A - Liquid vinyl resin dispersion : en fr
  • FR938728A - Improvements to tubular heat exchangers : en fr
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  • US2451485A - Production of unsaturated carbonylic compounds : en
  • US2451773A - Terminal connection and method of making the same : en
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  • LU29183A1 - : en
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  • CA451995A - Bolster spring unit : en fr
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  • US2451951A - Apparatus for molding concrete walls : en
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  • US2451651A - Saddle horn : en
  • US2451940A - Doughnut glazing machine : en
  • FR938569A - Improvements to indicating devices : en fr
  • GB610927A - Improvements relating to electric discharge lamps : en
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  • US2451917A - Method of and apparatus for controlling the flight of dirigible aerial torpedoes : en
  • FR938588A - Remote indicating device : en fr
  • FR938664A - Improvements to high frequency cables : en fr
  • US2451644A - Container : en
  • USD151478S - Knife holder : en
  • GB610631A - Improvements in or relating to apparatus for drying crystalline or granular materials : en
  • AU2250048A - Improvements in and relating to inductor type dynamo-electric machines such as inductor magnetos for internal combustion engines : en
  • GB610786A - Steam turbines : en
  • AU141643B2 - Improvements in or relating tothe cold welding of ductile metals : en
  • FR938595A - Radio transmission antenna : en fr
  • GB610928A - Improvements relating to electromagnetic clutches : en
  • FR938738A - Construction of magnetic cores for induction devices : en fr
  • GB610982A - Improvements in or relating to convertible furniture : en
  • US2451852A - Beta-allylamino propionitriles : en
  • US2451663A - Bridge structure for ph measurement device : en
  • GB610905A - Improvements in or relating to belting and the manufacture thereof : en
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  • GB610746A - Improvements in and relating to duel operation gears : en
  • US2451771A - Prerotation means for airplane landing wheels : en
  • LU29182A1 - : en
  • GB610963A - Improvements relating to the manufacture of zinc cans : en
  • US2451764A - Fuse setting apparatus : en
  • FR938660A - Improvement in flash lamps : en fr
  • GB610865A - Improvements in frequency-modulated transmitters : en
  • FR938589A - High frequency electronic device : en fr
  • GB610936A - Improvements in or relating to driving mechanism for velocipedes : en
  • GB610800A - Improvements in or relating to electric resistances : en
  • DK67801C - Arc welding device in stylus with a resilient suspended ball electrode. : da en
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  • GB610794A - A selective protection arrangement in which the orders are transmitted by currents at the distributing network frequency : en
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  • GB610757A - Improvements in electric steam radiators : en
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  • US2451713A - Sewer pipe off-bearing and finishing machine : en
  • US2451938A - Vapor electric device : en
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  • USD151454S - Design fob a bracelet ob similar article : en
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  • US2452006A - Ointment applicator : en
  • US2452020A - Box stacker : en
  • US2452013A - Power supply : en
  • US2452018A - Alkylation process : en
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  • FR938668A - synthetic crystalline element and process for its manufacture : en fr
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  • FR938650A - Improvements to electrical transformers : en fr
  • FR938577A - Improvements to filing cabinets with horizontal filing of files : en fr
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  • GB610779A - A method of making electric condensers and apparatus therefor : en
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  • US2451795A - Thread guide holder : en
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  • FR938564A - Improvements in the preparation of synthesis catalysts for the synthesis of hydrocarbons : en fr
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  • AU2318148A - Improvements relating to chamberpots : en
  • FR938725A - Improvements to distance measurement systems : en fr
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  • CA451991A - Starter : en fr
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  • US2451963A - Isocyanates of hydrolyzed ethylene vinyl ester interpolymers : en
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  • US2451850A - Photosensitive discharge device : en
  • AU139337B2 - Improvements in control and ignition systems for fuel burners : en
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  • US2451719A - Anchor : en
  • US2451834A - Phase shifting circuit : en
  • FR938662A - Improvements to telemetry devices : en fr
  • GB610570A - Antibiotics : en
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  • US2451936A - Propulsion drive : en
  • US2451997A - Electronic timing control system : en
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  • FR938575A - Antioxidants for developers and developers containing them : en fr
  • FR938637A - Process for gas purification : en fr
  • GB610647A - Improvements in or relating to artificial filaments, films and similar materials : en
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  • US2451580A - Combined fluorescent and filament lamp reflector unit : en
  • FR938504A - Cooling plant : en fr
  • US2451609A - Arresting hook device for grounded aircraft pilot trainers : en
  • GB610890A - Diamond indenter for testing the hardness of metals : en
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  • GB610536A - Improvements in or relating to fluid feeding devices suitable for use with fountain brushes : en
  • GB610584A - Improvements in or relating to cylinders for internal-combustion engines : en
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  • GB610603A - The control of the parking or emergency brakes of vehicles : en
  • GB610653A - Improvements in or relating to electric pulse communication systems : en
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  • FR938552A - Disengageable coupling device : en fr
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  • GB610512A - Improvements in roller appliances for loading or handling goods : en
  • GB610555A - Improvements in or relating to stationery feed mechanism for imprinting machines : en
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  • DK67797C - Holder with mounted piezoelectric oscillating crystal. : da en
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  • FR938681A - Improvements made to hydraulic valve lifters : en fr
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  • GB610859A - A process for the manufacture of an antibacterial substance : en
  • FR938522A - Improvements in the drawing of fibers or filaments, more especially of glass fibers : en fr
  • GB610882A - Improvements in or relating to combined battery charging and engine heating apparatus for automobiles : en
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  • DK67804C - Bandage for correcting body deformities. : da en
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  • US2451517A - High-frequency electron discharge device of the triode type : en
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  • GB610531A - Stabilized silver halide emulsions : en
  • US2451814A - Deicing composition for aircraft parts and surfaces : en
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  • GB610679A - Improvements relating to photograph and like frames : en
  • GB610606A - Improvements relating to the manufacture of heaters for indirectly heated cathodes of discharge tubes : en
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  • US2451606A - Remote indicating plant operating on the impulse compensation method : en
  • US2451627A - Internal-combustion aircraft-type heater : en
  • FR938580A - Electron discharge device : en fr
  • AU2322648A - Electromagnetic pumping device for pumping fluids : en
  • US2451790A - Register-controlled time recorder : en
  • GB610915A - Process for the preparation of dihydrophenanthridine compounds : en
  • US2451816A - Web break detector : en
  • CA452046A - Electrical control system : en fr
  • GB610638A - Improvements in or relating to down-draught diverters for gas-fired appliances : en
  • FR938550A - Amplitude limiter for carrier wave signals : en fr
  • FR938700A - Improvements to the bases of electric lamps and similar apparatus : en fr
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  • USD151466S - Necklace or similar article : en
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  • US2451868A - Joint for high-frequency transmission lines : en
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  • GB610692A - Improvements in and relating to means for supporting household baths : en
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  • GB610871A - Improvements in and relating to picking arrangements for looms : en
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  • US2451821A - Chlorination of paraffinic hydrocarbons : en
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  • US2451913A - Plastic ornamental article : en
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  • AU2257248A - Improvements in or relating to machines for grinding the ends of coiled springs : en
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  • AU2250348A - Automatic hotwater apparatus : en
  • CA451966A - Electrically driven hair clipper : en fr
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  • GB610803A - Improvements in or relating to radio-controlled projectiles : en
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  • CA451988A - X-ray technique : en fr
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  • AU143167B2 - Electromagnetic pumping device for pumping fluids : en
  • FR938729A - Process for the preparation of n4-acetylsulfanilamide compounds : en fr
  • GB610623A - Improvements in and relating to the control of fluid flow along a solid boundary surface : en
  • CA452078A - Journal box : en fr
  • AU2321948A - Improvements in or relating to liquid fuel burners : en
  • CA452010A - Speed control system : en fr
  • USD151452S - Design fob a necklace ob similar article : en
  • AU151027B2 - Method of making siloxanes : en
  • US2451477A - Fishhook making machine : en
  • GB610635A - Improvements relating to domestic dish washing machines : en
  • GB610753A - Improvements relating to pneumatically-operated tools : en
  • AU139682B2 - Improvements in or relating to photographic apparatus : en
  • US2451509A - Testing device for sound projectors : en
  • AU2324948A - Improvements in or relating to ink-applying means for rotary printing presses : en
  • CA452047A - Jordan apparatus : en fr
  • AU1586847A - Dough dividing and rolling apparatus for use inthe manufacture of buns andthe like : en
  • CA452065A - Warm air furnace : en fr
  • US2451475A - Dual tube pneumatic life preserver belt : en
  • US2451516A - Seal terminal : en
  • US2451860A - Razor honing device : en
  • USRE23044E - Cotton cleaning apparatus : en
  • USD151457S - Design fob a refreshment stand : en
  • US2451529A - Work shifting mechanism for heelattaching machines : en
  • FR938698A - Insulation for magnetic sheets and its manufacturing process : en fr
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  • US2451897A - Method of treating shrimp : en
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  • FR938680A - Improvements to window glass control devices and in particular vehicle doors : en fr
  • AU1662347A - Improvements inthe manufacture of woodpulp : en
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  • US2451889A - Thread tensioning device : en
  • AU2319948A - Improvement in beam deflection control : en
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  • US2451703A - Resilient tantalum tubes and a process for making same : en
  • USD151435S - Display stand or similar article : en
  • CA451971A - Rodent trap : en fr
  • US2451856A - Mechanical device for determining the future position of aircraft : en
  • US2451956A - Folding vehicle for children : en
  • US2451765A - Filler reinforcing means and guard for mechanical pencils : en
  • CA452045A - Transmitter having impulse modulation : en fr
  • CA16523S - Hair curler : en
  • AU140751B2 - Improvements in or relating to ink roller vibrator mechanism for printing presses : en
  • US2451813A - Electron discharge device having an electron beam passage and aligning means therewith for the cathode : en
  • US2451463A - Tool for cutting insulation and stripping it from wires : en
  • US2451670A - Safety window seat : en
  • GB610510A - Process and apparatus for sizing yarns : en
  • GB610955A - Improvements in or relating to resilient bearings : en
  • GB610666A - Improvements relating to telegraph circuit arrangements : en
  • CA451964A - Means for testing the accuracy of watches : en fr
  • US2451923A - Bottleholder : en
  • US2451661A - Dual firing rate oil burner apparatus : en
  • US2451812A - Electron tube variable impulse transmitter : en
  • US2452024A - Preparation of aluminum sulfate : en
  • US2451690A - Two-part sprocket : en
  • US2451743A - Powdered polythene : en
  • CA451979A - Toeless hose : en fr
  • GB610943A - Improvements in or relating to colour printing on paper, fabric and the like : en
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  • AU140993B2 - Improvements in or relating to processes for obtaining insulin from mammal pancreas glands : en
  • US2451558A - Chemically treated wood pulp and a method of producing a cellulosic product : en
  • AU2324448A - Improvements in or relating to electrical storage apparatus : en
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  • LU29186A1 - : en
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  • GB610698A - Improvements in or relating to retractable undercarriages : en
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  • CA452025A - Packaging process : en fr
  • US2451899A - Table drive mechanism : en
  • US2451837A - Sportsman's mitten : en
  • GB610673A - Electrical connector : en
  • GB610735A - Building construction : en
  • DK67814C - Bicycle support. : da en
  • FR938613A - Improvements to the bases and sockets of electric lamps and similar apparatus : en fr
  • FR938684A - Turbine : en fr
  • GB610628A - Improvements relating to punch presses : en
  • FR938583A - Tire retreading mold : en fr
  • GB610556A - Improvements in tobacco pipes, and cigarette or cigar holders : en
  • GB610821A - Improvements in and relating to machines for and method of making filled capsules : en
  • GB610895A - Improvements in saucepans and like utensils : en
  • FR938554A - Method and apparatus for irradiating foodstuffs or other substances, in particular with a view to destroying bacteria therein : en fr
  • US2451512A - Means for press forging articles : en
  • US2451544A - Film viewing device : en
  • GB610747A - Machines for measuring plain rings, screw ring gauges and like articles : en
  • US2451772A - Solubilization of rutin with methyl glucamine : en
  • USD151438S - Design for a handbag or similar article : en
  • CA452064A - High pressure hose coupling : en fr
  • CA452089A - Method and means of forming diamond studded bits : en fr
  • GB610892A - Improvements in or relating to receptacles for ash and other waste matter : en
  • GB610956A - Improvements in or relating to resilient mountings : en
  • GB610699A - Improvements in or relating to control systems for prime mover-electric power plant for winches, especially for use on trawlers : en
  • US2451542A - Toy : en
  • US2451884A - Bar mounting fixture : en
  • FR938638A - Process for purifying gases : en fr
  • GB610974A - Apparatus and process for mixing fluids : en
  • US2451960A - Method of and apparatus for painting bevels : en
  • FR938618A - Improvements to power line communications systems : en fr
  • GB610654A - Switching arrangements for high frequency currents : en
  • FR938649A - Improvements to electrical switches : en fr
  • CA452077A - Belt package : en fr
  • GB610983A - Improvements in electrical circuit breakers using compressed air blow-out : en
  • GB610804A - Power plant : en
  • FR938630A - Improvements to starters : en fr
  • GB610713A - Aluminothermic or like exothermic processes for the extraction of metals : en
  • US2451554A - Picture hanging means : en
  • GB610615A - Improvements in and relating to synchronous electric motors : en
  • FR938578A - Device generating or regulating high frequency electromagnetic waves : en fr
  • GB610893A - A process for making cutting tools provided by fusion with deposits of high speed steels : en
  • GB610595A - Improvements relating to the control of magnetic clutches : en
  • GB610913A - Improvements in slate punching machines : en
  • FR938745A - Improvements to electric vacuum devices : en fr
  • GB610589A - Improvements in or relating to control mechanisms for gramophones : en
  • GB610649A - Improvements in or relating to the recovery of penicillin : en
  • FR938707A - Improvements to electronic discharge devices : en fr
  • GB610677A - Improvements in or relating to machines for ornamenting bricks, blocks and the like : en
  • FR938665A - Multi-Core Insulated Cable Manufacturing Improvements : en fr
  • GB610820A - Improvements in or relating to photographic cameras : en
  • GB610573A - A new or improved locking device for screwed pipe couplings or other coaxial screwed members : en
  • GB610807A - Improvements in or relating to power transmission or drive systems : en
  • FR938542A - Toy enhancements : en fr
  • GB610505A - A method for making polyoxyalkylene glycols : en
  • IE18591L - Articulated locomotives. : en
  • US2451750A - Bracelet and method of making same : en
  • GB610507A - Method and apparatus for filtration : en
  • GB610650A - Improvements in or relating to derrick cranes and the like : en
  • GB610790A - Improvements in telephone systems : en
  • FR938565A - Improvements to spraying devices : en fr
  • GB610610A - Improvements in or relating to electric protective arrangements for sectionalised a.c. circuits : en
  • GB610522A - Improvements in or relating to furnaces intended for the utilisation of solid combustibles : en
  • FR938528A - Device for lighting a flashlight and synchronizing the shutter control of cameras : en fr
  • GB610513A - Improvements in or relating to apparatus comprising scraper devices for moving fragmentary material : en
  • CA451959A - Art of forming confections : en fr
  • GB610834A - Improvements in and relating to starter jaw meshing mechanism : en
  • GB610994A - Improvements in folding umbrellas : en
  • FR938599A - Semi-automatic firearm for small caliber ammunition : en fr
  • GB610863A - Improvements in or relating to rotary electric switches comprising contact-operatingpressure rollers : en
  • US2451460A - Manometer : en
  • US2451682A - Refrigeration system using gas for defrosting : en
  • US2451886A - Electrical measuring instrument : en
  • US2451970A - Mounting for fan assemblies : en
  • USD151427S - Design fok a hair comb : en
  • FR938633A - Pans or containers without vapors : en fr
  • GB610557A - Improvements in and relating to boxes : en
  • GB610669A - Improvements relating to valve mechanism of internal combustion engines : en
  • GB610580A - An improved machine for cutting tubes and the like : en
  • GB610817A - Improvements in or relating to the flotation separation of magnesium and calcium carbonates : en
  • US2451466A - Electric wire terminal : en
  • GB610857A - Process for the production of chromable azo dyestuffs : en
  • US2451526A - Firing mechanism : en
  • US2451993A - Holding device : en
  • CA451957A - Swivel lamp standard : en fr
  • GB610670A - Improvements in or connected with frames for pictures and the like : en
  • FR938597A - Improvements to automatic shutters : en fr
  • FR938652A - Propeller : en fr
  • CA452062A - Compressed gas container : en fr
  • US2451557A - Electron tube for high frequency : en
  • US2451943A - Industrial truck : en
  • USD151449S - Design fob a combined coaster and ash tray : en
  • CA452051A - Electric range heating unit : en fr
  • US2451560A - Fluid operated pump for oil wells and the like : en
  • US2451954A - Inductor generator equipment, especially for induction heating : en
  • FR938615A - Star engine improvements : en fr
  • GB610826A - Improvements in the construction of floors for buildings : en
  • GB610972A - Improvements in or relating to mixing machines : en
  • AU138152B2 - Sugarcane loader : en
  • CA451970A - Solid axle drive mechanism for vehicles : en fr
  • FR938587A - Coupling device for ultra high frequencies : en fr
  • GB610537A - Improvements in or relating to fluid feeding devices suitable for use with fountain brushes : en
  • FR938726A - Mechanism for feeding paper in tabulators : en fr
  • US2451489A - Progressive selecting circuit : en
  • US2451728A - Heat-sealing apparatus : en
  • US2451688A - Hydraulic clutch and variablespeed drive : en
  • AU2319548A - Improvements in and relating to beehives : en
  • US2451585A - Toy ferris wheel : en
  • US2451748A - Oxidation inhibitor for fats and oils : en
  • US2451490A - Production of aluminum : en
  • US2451909A - Series generator-fed motor system : en
  • GB610575A - Improvements in and relating to radiants for gas-heated apparatus : en
  • USD151453S - Design fob a necklace or similar article : en
  • GB610525A - Handle for pneumatic hammers : en
  • GB610806A - Production of magnesium-oxide-containing mixtures : en
  • FR938739A - Ultra-shortwave transmission device : en fr
  • US2451491A - Enriching the alumina content of recirculated cryolite fusions in aluminum production : en
  • FR938521A - Ventilated housing device for projectors usable in cinematographic shooting : en fr
  • US2451561A - Continuous brushing machine for leather : en
  • US2451830A - Starting arrangement for electric discharge devices : en
  • GB610931A - Improvements relating to control valves for fluid under pressure : en
  • US2451838A - Smoker's pipe : en
  • GB610700A - Improvements in or relating to supporting devices for gas, electric and other lamps : en
  • GB610815A - Improvements relating to alloys for bearings and other purposes : en
  • GB610504A - Improvements in or relating to cameras for colour photography : en
  • GB610739A - An easy chair combined with another article or articles of furniture : en
  • GB610762A - Improvements in and relating to quick make-and-break electric switches : en
  • GB610511A - A thermionic saw-tooth wave generator : en
  • GB610847A - Improvements in electrically heated pads : en
  • GB610999A - Improvements in or relating to selenium rectifiers : en
  • US2451841A - Auro-thio-glycolic-acid-anilide and method of making the same : en
  • US2452003A - Preparation of zinc propionate : en
  • US2451587A - Pipe end and joint : en
  • IE18393L - Lubricating oil compositions : en
  • US2452027A - Engine starting system : en
  • US2451493A - Process for enriching the alumina content of cryolite fusions in aluminum production : en
  • FR938721A - Improvements to electric valve circuits : en fr
  • GB610693A - Improvements in smokers' ash receptacles : en
  • GB610910A - Improvements in or relating to apparatus incorporating a cathode ray device, particularly television receivers : en