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  • FR938505A - Material cooling device : en fr
  • GB610597A - Improvements in machines for processing rubber, plastics or the like : en
  • GB610801A - Improvements in or relating to electric resistances : en
  • AU139574B2 - Improvements in clamping devices : en
  • CA452040A - Change speed mechanism : en fr
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  • US2451858A - Controlled frequency oscillator : en
  • US2451877A - Method of manufacturing oscillator plates : en
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  • US2451722A - Power-operated skip tabulating mechanism for typewriting machines : en
  • GB610530A - Improvements in apparatus sensitive to changes in direction : en
  • GB610722A - Improvements in colour television and photographic apparatus : en
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  • FR938560A - Photographic enlargement process and enlargements made according to this process : en fr
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  • USD151476S - Design for a ceramic vase or similar article : en
  • US2451650A - Pistol grip motor casing : en
  • US2451768A - Regenerated cellulose film manufacture : en
  • US2451996A - Manufacture of phenols or salts thereof : en
  • FR938675A - Advanced training in motor car window control devices : en fr
  • US2451492A - Method and apparatus for enriching the alumina content of cryolite fusions in aluminum production : en
  • DK67800C - Method of manufacturing electric discharge tubes. : da en
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  • USD151445S - Design fob a musical tot ok similar article : en
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  • US2451495A - Button sewing machine and method of sewing buttons : en
  • US2451521A - Magazine loader : en
  • GB610712A - Improvements in or relating to error signal control systems : en
  • GB610695A - Improvements in or relating to aircraft : en
  • GB610756A - An improved spinning bait for fishing purposes : en
  • FR938631A - Improvements to the processes for preparing pure crystalline salts of penicillin : en fr
  • US2451478A - Aminoanthraquinone dye compounds containing a trifluoromethyl group : en
  • GB610778A - Improved electric heating unit : en
  • US2451692A - Clothes drier : en
  • GB610709A - Improvements in or relating to method of disintegrating and removing metal : en
  • GB610616A - Improvements in and relating to bicycle stands or supports : en
  • GB610779A - A method of making electric condensers and apparatus therefor : en
  • GB610997A - Razor : en
  • GB610719A - Alkaline dry cell : en
  • FR938599A - Semi-automatic firearm for small caliber ammunition : en fr
  • US2451595A - Carpenter's layout wheel : en
  • DK67821C - Toys consisting of a miniature building with extendable vehicles. : da en
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  • GB610650A - Improvements in or relating to derrick cranes and the like : en
  • GB610790A - Improvements in telephone systems : en
  • GB610841A - Improvements in or relating to sound damping and silencing devices for gaseous currents : en
  • GB610786A - Steam turbines : en
  • GB610583A - Improvements in and relating to radar systems : en
  • GB610839A - Improvements in propeller air fans : en
  • GB610680A - Circular knitting machines : en
  • FR938624A - Flashlight refinements : en fr
  • GB610725A - A method of treating feed water for steam boilers : en
  • GB610789A - Articles for the destruction of flies and other insects : en
  • FR938749A - Method and apparatus for forming parts : en fr
  • FR938668A - synthetic crystalline element and process for its manufacture : en fr
  • DK67804C - Bandage for correcting body deformities. : da en
  • US2451578A - Ant feeder : en
  • US2451806A - Cushioned display container : en
  • US2451826A - Process for making chlorine dioxide : en
  • GB610678A - An improved grass cutter machine for trimming grass edges : en
  • GB610822A - Improvements in or relating to methods of and apparatus for coating an elongated body or wire : en
  • US2451592A - Method of determining the rust-preventing properties of lubricants : en
  • US2452021A - Treatment of drilling fluids : en
  • AU141056B2 - Improvements inthe manufacture of 2-4:dichlorphenoxy acetic acid : en
  • US2451979A - Indicating device : en
  • GB610731A - Improvements in or relating to the purification of penicillin salts : en
  • AU146837B2 - Apparatus for treating material withan impregnating agent : en
  • US2451684A - Toolholder for automatic lathes : en
  • US2451740A - Process for the manufacture of an aldehyde : en
  • FR938666A - TV systems : en fr
  • US2451529A - Work shifting mechanism for heelattaching machines : en
  • GB610677A - Improvements in or relating to machines for ornamenting bricks, blocks and the like : en
  • AU1662347A - Improvements inthe manufacture of woodpulp : en
  • FR938537A - X-ray tube enhancements : en fr
  • FR938571A - Process for the manufacture of magnesium compounds : en fr
  • US2451522A - Rocket projector : en
  • US2451752A - Record punching machine : en
  • GB610543A - An improved means for cutting textile fabrics and the like : en
  • US2451796A - Phase shifting circuit : en
  • US2451947A - Hand-carried motion-picture projecting and viewing device : en
  • FR938506A - Probe for monitoring the good conservation of fermentable materials gathered in heaps : en fr
  • FR938552A - Disengageable coupling device : en fr
  • GB610991A - Improvements relating to collapsible gates, shutters and the like : en
  • IE18393L - Lubricating oil compositions : en
  • GB610947A - Improved device for use in polishing articles : en
  • US2451782A - Camera film gate threading mechanism : en
  • FR938736A - Electronic discharge devices : en fr
  • GB610670A - Improvements in or connected with frames for pictures and the like : en
  • US2451724A - Super high frequency wattmeter : en
  • USRE23045E - Window construction : en
  • GB610768A - Improvements in or relating to anti-dazzle devices for lamps of motor vehicles and the like, and other lighting devices : en
  • GB610996A - Improvements in or relating to umbrellas : en
  • GB610898A - Improvements in and relating to chloromethyl silicon compounds : en
  • GB611003A - Improvements relating to collapsible gates, shutters and the like : en
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  • CA16531S - Polutry drinking fountain : en
  • FR938625A - Manufacturing process of sintered metal parts having a small thickness : en fr
  • GB610581A - Improvements in a method of preparing an anti-malarial acridine compound : en
  • CA452044A - Foundry structure : en fr
  • US2451910A - Electrical discharge tube circuits : en
  • US2452002A - Portable electric cleaner and scraping tool : en
  • AU138152B2 - Sugarcane loader : en
  • AU2260648A - Windshield washer : en
  • US2451937A - Attachable traction lug rim : en
  • US2451761A - Antiskid cross chain : en
  • AU2303348A - Processes for manufacturing therapeutically valuable salts of Penicilling : en
  • CA451973A - Artificial arm : en fr
  • CA451943A - Gauging apparatus : en fr
  • US2451750A - Bracelet and method of making same : en
  • CA452084A - Magnetic device : en fr
  • FR938507A - Improvements in centrifugal looms for spinning, twisting, etc. : en fr
  • GB610858A - Improvements relating to slicing machines : en
  • US2451906A - Foot medication applicator : en
  • US2451907A - Bearing alloy : en
  • CA451951A - Animal drug : en fr
  • AU141643B2 - Improvements in or relating tothe cold welding of ductile metals : en
  • CA452037A - Electron discharge device : en fr
  • FR938581A - Improvements to thermal cutouts : en fr
  • US2451477A - Fishhook making machine : en
  • US2451798A - Catch : en
  • US2451859A - Electron tube variable impulse communication system : en
  • US2451823A - Direction finding system : en
  • CA451991A - Starter : en fr
  • FR938540A - Locking spacers for screw connections : en fr
  • GB610661A - Saw-tooth wave generator : en
  • AU2319648A - Improved magnetic material, method of producing same, and articles made therefrom : en
  • US2451618A - Combined thermal and magnetic : en
  • CA452056A - Controlled humidity refrigerator : en fr
  • CA451952A - Hospital appliance : en fr
  • US2452009A - Welding apparatus : en
  • GB610563A - Generating vapours from solids : en
  • GB610743A - Improvements in flexible hose : en
  • GB610741A - Improvements in or relating to chairs with spring-supported back-rests : en
  • GB610889A - An improved sash or window lock : en
  • GB610971A - An improvements in or relating to machines for cropping or shearing textile fabrics : en
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  • GB610599A - Improvements in and relating to electric frequency changers : en
  • AU147046B2 - Improvements in or relating to arrangements for producing an alternating voltage variable frequency : en
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  • GB610516A - An apparatus for classifying and separating solid bodies carried by a liquid current : en
  • GB610667A - Improvements relating to apparatus for unwinding wire or thread : en
  • FR938728A - Improvements to tubular heat exchangers : en fr
  • US2451507A - Electrical outlet receptacle device : en
  • GB610921A - An improved syphoning device for use in separating liquids of different specific gravities : en
  • GB610902A - Charge forming device for internal combustion engines : en
  • FR938650A - Improvements to electrical transformers : en fr
  • AU144625B2 - Dampening of pressure pulsations from plural sources : en
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  • US2451672A - Alcohol insoluble nitrogen substituted polyamides : en
  • US2451706A - Drive control for air powered apparatus : en
  • US2451982A - Electrical plug and socket : en
  • US2451745A - Rocket launching device : en
  • US2451887A - Keying control system for oscillators : en
  • FR938688A - Improvements to frequency modulation devices : en fr
  • GB610632A - Improvements in and relating to articles of furniture : en
  • FR938598A - Process for refining naphthalene : en fr
  • GB610851A - Method of centrifugally casting thick-walled metal tubes : en
  • FR938722A - Improvements to gas turbines : en fr
  • GB610561A - Improvements in sextant-type instruments : en
  • GB610692A - Improvements in and relating to means for supporting household baths : en
  • LU29183A1 - : en
  • US2451711A - Sand pail : en
  • FR938677A - Improvements to window handling devices and in particular door mirrors or other : en fr
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  • GB610668A - A method of producing glass-to-metal joints : en
  • GB610651A - Improvements relating to cloches : en
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  • GB610676A - Improvements in or relating to step ladders : en
  • GB610945A - Improvements in or relating to fluid pressure operated jacks : en
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  • GB610866A - Improvements in or relating to circuit arrangements for compensating the aerial effect of directional antenna : en
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  • US2451898A - Electronic control system : en
  • FR938733A - Improvements to processes to give consistency to drying vegetable oils : en fr
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  • GB610798A - Improvements in or relating to catadioptric lens systems : en
  • US2451627A - Internal-combustion aircraft-type heater : en
  • GB610942A - Improvements in coin-controlled dispensing apparatus : en
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  • GB610713A - Aluminothermic or like exothermic processes for the extraction of metals : en
  • CA451989A - Recording plastometer : en fr
  • FR938569A - Improvements to indicating devices : en fr
  • GB610927A - Improvements relating to electric discharge lamps : en
  • GB610833A - Improvements in machines for manufacturing match and like splints : en
  • GB610919A - Safety device for boat hoists : en
  • FR938639A - High frequency discharge device : en fr
  • AU1591447A - An improved electric cooking stove : en
  • FR938649A - Improvements to electrical switches : en fr
  • US2451586A - Valve : en
  • US2451669A - Gas blast circuit breaker : en
  • US2451465A - Transversal filter : en
  • US2451784A - Calculator mechanism : en
  • CA452014A - Regulator system : en fr
  • US2451762A - Packing ring : en
  • AU143355B2 - Windshield washer : en
  • CA451942A - Greeting card : en fr
  • BE482052A - : fr
  • CA452087A - Dust collector : en fr
  • CA451966A - Electrically driven hair clipper : en fr
  • FR938550A - Amplitude limiter for carrier wave signals : en fr
  • FR938700A - Improvements to the bases of electric lamps and similar apparatus : en fr
  • US2451694A - Easel book construction for ring books or loose-leaf binders : en
  • USD151479S - Light box for viewing color transparencies : en
  • AU143167B2 - Electromagnetic pumping device for pumping fluids : en
  • CA451959A - Art of forming confections : en fr
  • US2451499A - Warp knitting machine : en
  • CA452045A - Transmitter having impulse modulation : en fr
  • US2451953A - Meter protection circuit : en
  • CA452005A - Reflex klystron : en fr
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  • US2451785A - Method for making a lacquer enamel : en
  • US2451537A - Door fastener : en
  • AU138798B2 - Improvements relating to wind driven electricity generating apparatus : en
  • AU150434B2 - Improvements in or relating to electrical storage apparatus : en
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  • GB610511A - A thermionic saw-tooth wave generator : en
  • GB610847A - Improvements in electrically heated pads : en
  • GB610999A - Improvements in or relating to selenium rectifiers : en
  • FR938556A - Improvements in the spinning of viscose into rayon, the dies used for this purpose and the spun rayon thus obtained : en fr
  • FR938643A - Improvements to closing devices for the walls of pressurized combustion chambers : en fr
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  • DK67818C - Machine gun for firing projectiles using compressed air. : da en
  • FR938512A - Shaker conveyor with reciprocating lanes for use in mines : en fr
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  • GB610620A - Improvements in and relating to aerofoils : en
  • FR938583A - Tire retreading mold : en fr
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  • US2451890A - Collection of gases from artificial silk and the like : en
  • US2451894A - Steel reinforced tire : en
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  • GB610728A - Improvements in or relating to synthetic rubber compositions, and method of preparing same : en
  • GB610707A - Improvements in or relating to addressing or listing machines : en
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  • GB610657A - Improvements in or relating to brushes and the manufacture thereof : en
  • GB610751A - Improvements in recirculating filtration systems : en
  • GB610900A - Improvements relating to artificial personal ornaments : en
  • GB610550A - Improvements in or relating to the preparation of leather : en
  • CA452035A - Vacuum tube electrode arrangement : en fr
  • FR938589A - High frequency electronic device : en fr
  • GB610936A - Improvements in or relating to driving mechanism for velocipedes : en
  • USD151436S - Design for a handbag ob similar article : en
  • FR938711A - Improvements to the processes for preparing pure and crystallized penicillin salts : en fr
  • GB610788A - Improvements in devices for actuating at least one member in accordance with the moisture content of runs of material : en
  • GB610679A - Improvements relating to photograph and like frames : en
  • DK67808C - Window frame with double glazing. : da en
  • GB610706A - Improvements in or relating to synchronising signal generators for television systems : en
  • GB610714A - Process of converting lignin predominantly into its aldehydic and acidic fractions : en
  • GB610915A - Process for the preparation of dihydrophenanthridine compounds : en
  • FR938517A - Device for transmitting and receiving electrical signals : en fr
  • GB610800A - Improvements in or relating to electric resistances : en
  • GB610580A - An improved machine for cutting tubes and the like : en
  • GB610607A - Method of and machine for making metal box bodies : en
  • GB610688A - Improvements in or relating to electric ripple control systems : en
  • GB610916A - Improvements in motor-cycle wind-shields : en
  • FR938730A - Chain hoist improvements : en fr
  • FR938532A - Process for eliminating the dangers of explosion during handling of acetylene : en fr
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  • US2451670A - Safety window seat : en
  • GB610784A - A combined bidet and wash-basin : en
  • US2451809A - Variable inductance device : en
  • GB610517A - Directive antenna of variable directivity : en
  • AU145464B2 - Improvements relating to chamberpots : en
  • CA451999A - Electrical relay system : en fr
  • US2451528A - Method for separating worm-damaged nuts from sound nuts by immersion in a gravity liquid : en
  • US2451620A - Lumber roll assembly : en
  • DK67811C - Method for producing precious metal coatings on metallic objects and substrates. : da en
  • GB610733A - Improvements relating to the repair of rubber tyres : en
  • GB610767A - Improved deck planking and method of making same : en
  • FR938731A - Lifting hook attachment : en fr
  • AU1645647A - Improvements inthe manufacture of 2-4:dichlorphenoxy acetic acid : en
  • AU2324648A - Catalytic hydrogenation, catalysts therefor, and method of preparing same : en
  • GR11828B - RUBBING SYSTEM FOR 4 - 100 hp Diesel engine. : el en
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  • FR938740A - Improvements to very high frequency radio receivers : en fr
  • US2451964A - Multiple nozzle gun type oil burner and control therefor : en
  • DK67805C - Process for the manufacture of, respectively, with cap and for supplied plugs and outlet stones for casting spoons. : da en
  • US2451897A - Method of treating shrimp : en
  • FR938735A - Improvements in processes for rendering textiles and fabrics resistant to shrinkage and wrinkling and resulting textiles and fabrics : en fr
  • US2451766A - Dental appliance : en
  • US2451518A - Multiple furnace control : en
  • GB610792A - New or improved angle measuring or testing instrument : en
  • GB610989A - Improvements in or relating to electric motor control systems : en
  • GB610870A - Wire thread bushings : en
  • US2451929A - Inner sole : en
  • GB610910A - Improvements in or relating to apparatus incorporating a cathode ray device, particularly television receivers : en
  • GB610769A - Improvements in work holders adapted for use in machining operations : en
  • GB610602A - A device for supplying a measured quantity of liquid : en
  • GB610793A - Improvements in and relating to protective means in electrically driven power transmission gears : en
  • FR938637A - Process for gas purification : en fr
  • GB610647A - Improvements in or relating to artificial filaments, films and similar materials : en
  • GB610986A - An improved stand or holder for photographs, pictures and the like : en
  • FR938576A - Disazo dyes, their uses and photographic materials containing them : en fr
  • US2451572A - Radiant energy measuring apparatus : en
  • FR938594A - Electric resistance device : en fr
  • FR938727A - Contact masses : en fr
  • US2451843A - Manufacture of fluoroalkanes : en
  • US2451642A - Viscous mineral oil compositions : en
  • GB610832A - Improvements in and connected with the stabilising of foam : en
  • FR938518A - Optical system for a microfilm machine : en fr
  • GB610771A - Improvements relating to processes and apparatus for continuous tempering by high frequency : en
  • USD151439S - Design for a handbag or similar article : en
  • USD151474S - Stern microfilm-reader-casing : en
  • US2451842A - Calculating instrument : en
  • CA452046A - Electrical control system : en fr
  • FR938705A - Multi-channel communication systems enhancements : en fr
  • CA451981A - Sludge pump : en fr
  • CA452015A - Control system : en fr
  • CA451996A - Method and machine for winding coils : en fr
  • US2451560A - Fluid operated pump for oil wells and the like : en
  • US2451954A - Inductor generator equipment, especially for induction heating : en
  • US2451525A - Totalizator counter : en
  • US2451734A - Method of and means for the transmission and reproduction of optical and acoustical effects : en
  • CA452027A - Mechanical control for progressive air-blowing systems : en fr
  • US2452004A - Warp stop motion drop wire : en
  • US2451939A - Automatic switching system : en
  • GB610869A - Thread bushings for screw connections : en
  • FR938726A - Mechanism for feeding paper in tabulators : en fr
  • GB610720A - Improvements in or relating to fuel supply systems for internal-combustion engines : en
  • GB610782A - Improved means for preventing the longitudinal movement of an electric cable, for example, laid in a duct : en
  • GB610545A - Improvements in apparatus for the electric conductivity testing of liquids : en
  • GB610658A - Improvements in and relating to fastening devices for garments and the like : en
  • GR11827B - TURKISH COFFEE STEAM BOILER. : el en
  • US2451584A - Signal receiver tuning indicator : en
  • USD151471S - Design fob a gas eegulator : en
  • US2451805A - Process of coating asbestos : en
  • GB610904A - Improvements in caps or lids for jars and similar containers : en
  • US2451555A - Means for charging, sealing, and discharging mixers : en
  • US2451687A - Collapsible chair : en
  • US2451557A - Electron tube for high frequency : en
  • US2451943A - Industrial truck : en
  • USD151449S - Design fob a combined coaster and ash tray : en
  • USD151481S - Design fob an eelskin big fob bass : en
  • USD151424S - Counter decorative unit or the like : en
  • CA452022A - Water treating plant : en fr
  • 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
  • US2451960A - Method of and apparatus for painting bevels : en
  • US2451795A - Thread guide holder : en
  • FR938553A - Rotating brake handle for velocipede : en fr
  • GB610724A - Improvements in or relating to a method and composition for degreasing and forming an oxide film on metals : en
  • GB610705A - Improvements in apparatus for balancing rotary bodies : en
  • US2451636A - Cutting machine : en
  • US2451791A - Universal joint : en
  • US2451919A - Method of making stretchable yarn : en
  • US2451848A - Doorstop : en
  • CA452001A - Series variable speed drive : en fr
  • US2451498A - Flat warp knitting machine : en
  • US2451986A - Thermoplastic extrusion method : en
  • US2451702A - Pipe clamp : en
  • AU139610B2 - Improvements in or relating to liquid fuel burners : en
  • AU146930B2 - Improvements in electrical networks for echo correction in electrical signalling systems : en
  • US2451570A - Method of making slip-lasted shoes : en
  • US2451715A - Injector apparatus : en
  • US2451787A - Polymerization of chloroprene : en
  • US2451485A - Production of unsaturated carbonylic compounds : en
  • US2451773A - Terminal connection and method of making the same : en
  • US2451778A - Thermotemporal responsive device : en
  • FR938632A - Improvements to magnetron thermionic tubes : en fr
  • DK67798C - Indicator system for measuring instruments. : da en
  • US2451880A - Cargo carrying vehicle body : en
  • US2451559A - Valve mechanism for handling liquefied gases and the like : en
  • US2451606A - Remote indicating plant operating on the impulse compensation method : en
  • CA451982A - Valve for regulating fluid under pressure : en fr
  • AU2321048A - Improvements in or relating to devices comprising an oscillator ofwhich the frequency is corrected automatically : en
  • US2451505A - Screen for casting risers : en
  • US2451876A - Radio-frequency joint : en
  • AU2323948A - Improvements in method and apparatus for straining liquids : en
  • AU138151B2 - Sugarcane harvester and loader : en
  • CA451979A - Toeless hose : en fr
  • US2451596A - Unitary balanced-inductor system : en
  • GB610577A - Device for indicating linear change in tensioned filamentary material : en
  • GB610938A - Improvements in and relating to vented bushings for hot water radiators : en
  • US2451807A - Infant's garment : en
  • US2451873A - Process and apparatus for heating by centrifugal compression : en
  • US2451661A - Dual firing rate oil burner apparatus : en
  • US2451812A - Electron tube variable impulse transmitter : en
  • US2452024A - Preparation of aluminum sulfate : en
  • FR938698A - Insulation for magnetic sheets and its manufacturing process : en fr
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  • US2451641A - Power conservation system : en
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  • US2451675A - Distributor : en
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  • US2451628A - Internal-combustion heater with air-heating tubes : en
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  • CA451968A - Toothpick dispenser : en fr
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  • GB610879A - Improvements in or relating to the preparation of interpolymers : en
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  • LU29182A1 - : en
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  • US2451920A - Cigar wrapper cutting and transfer mechanism : en
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  • US2451610A - Preparation of 4-alkyl-quinolines : en
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  • US2451780A - Lexible mesh bracelet and method of manufacture : en
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  • GB610584A - Improvements in or relating to cylinders for internal-combustion engines : en
  • FR938663A - Improvements to magnetostriction oscillators : en fr
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  • US2451821A - Chlorination of paraffinic hydrocarbons : en
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  • US2451767A - Combined starter and generator : en
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  • FR938742A - Improvements in impedance measurements : en fr
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  • US2451655A - Coated welding rod : en
  • US2451638A - Photographic plate and film holder : en
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  • GB610642A - Improvements in and relating to electrical condensers : en
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  • GB610533A - Improvements in or relating to method and apparatus for freezing materials : en
  • GB610814A - Process of recovering vanillic acid from lignin : en
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  • GB610759A - Improvements in or relating to the manufacture of hollow articles : en
  • GB610696A - Improvements in and relating to latches of the hook and keeper type : en
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  • GB610874A - Method of and means for manufacturing v-belts : en
  • GB610868A - Improvements in or relating to gramophone pick-ups : en
  • GB610897A - A clip : en
  • GB610842A - Improvements in and relating to apparatus for feeding and shaping plastic material : en
  • US2451531A - Wire tightener : en
  • GB610760A - Improved apparatus for producing rammed moulds for foundry purposes : en
  • CA451998A - Vapour electric device : en fr
  • CA451953A - Speed gear mechanism : en fr
  • US2451804A - Method of and apparatus for contacting solids and gases : en
  • US2451875A - Traffic signaling device : en
  • CA452080A - Organic synthesis : en fr
  • CA452066A - Apparatus for controlling the speed of electric motors : en fr
  • AU148298B2 - A method of separating solid particles ina gas stream and apparatus therefor : en
  • US2451690A - Two-part sprocket : en
  • US2451743A - Powdered polythene : en
  • US2451565A - Chuck adapter : en
  • US2451593A - Suction gun : en
  • US2451814A - Deicing composition for aircraft parts and surfaces : en
  • US2451717A - Bending ball arbor : en
  • US2451936A - Propulsion drive : en
  • US2451732A - Microwave-absorptive gas light valve : en
  • US2452006A - Ointment applicator : en
  • US2452020A - Box stacker : en
  • US2451561A - Continuous brushing machine for leather : en
  • US2451830A - Starting arrangement for electric discharge devices : en
  • AU1581847A - Sugarcane loader : en
  • US2451799A - Valve structure : en
  • US2451869A - Catalyzed oxidation processes : en
  • AU2323748A - Improvements in and relating to water sprayers : en
  • FR938660A - Improvement in flash lamps : en fr
  • FR938591A - Gas purification process : en fr
  • US2451493A - Process for enriching the alumina content of cryolite fusions in aluminum production : en
  • FR938516A - Device for connecting a balanced circuit to an unbalanced circuit : en fr
  • FR938596A - Improvements to control devices, particularly those for electrical installations : en fr
  • DK67813C - Advertising apparatus. : da en
  • GB610567A - Improvements in ignition timing and like couplings : en
  • GB610886A - Sheet delivery mechanism for a platen printing press : en
  • USD151426S - Design for an advertising figurine : en
  • AU144410B2 - Art of making phenol aldehyde reaction products andthe products thereof : en
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  • FR938545A - Improvements to light reflectors <<reflex>>, objects and signals manufactured by means thereof and methods of manufacturing such reflectors : en fr
  • US2451981A - Rocket and the like : en
  • US2451786A - Multitubular heat exchanger : en
  • USD151462S - Display stand for watch bracelets and bands : en
  • AU2317048A - Improvements in electric lighting appliances : en
  • CA452065A - Warm air furnace : en fr
  • DK67814C - Bicycle support. : da en
  • FR938633A - Pans or containers without vapors : en fr
  • US2451700A - Companion clutch and brake pedal for automobiles and the like : en
  • US2451856A - Mechanical device for determining the future position of aircraft : en
  • GB610585A - Improvements in or relating to linear-dimension gauges : en
  • GB610617A - Improvements relating to rotary welding electrodes : en
  • GB610723A - Process for the separation and purification of stereoisomeric hydrophenanthrene carboxylic acids : en
  • GB610850A - Improvements in or relating to the manufacture of gelatine blasting explosives : en
  • FR938659A - Improvements in the manufacture of lamp filament supports : en fr
  • GB610630A - Improvements in or relating to printing presses : en
  • GB610887A - Improvements relating to electric terminal connections : en
  • US2451462A - Drying apparatus for coffee beans or the like, comprising a movable agitator and gas circulating means : en
  • GB610862A - Improvements in or relating to joints between sheet or strip material : en
  • FR938570A - Improvements to wave guiding devices : en fr
  • GB610609A - Improvements in or relating to depth gauges for boring machines and the like : en
  • GB610613A - Manufacture of allyl alcohol : en
  • GB610949A - Combined brazing and welding process for uniting metals : en
  • FR938568A - Coil spring interior trim similar to box springs and upholstered seats with this trim : en fr
  • FR938720A - Process for the preparation of soluble metal azides : en fr
  • GB610525A - Handle for pneumatic hammers : en
  • GB610806A - Production of magnesium-oxide-containing mixtures : en
  • US2451863A - Apparatus for balancing rotors : en
  • GB610838A - Improvements in automatic printing machines : en
  • AU2325048A - Folder unit for printing presses : en
  • US2451678A - Multiple port valve structure : en
  • US2451844A - Pressing machine and linkage mechanism for transmitting and transforming force for use therein : en
  • DK67806C - Machine for use in chemical cleaning of carpets as well as in washing, cleaning and cleaning floors. : da en
  • GB610935A - Improvements in or relating to the radio navigation of aircraft for blind landing : en
  • DK67797C - Holder with mounted piezoelectric oscillating crystal. : da en
  • GB610681A - A new or improved machine for slicing and shredding vegetables and the like : en
  • USD151480S - Design fob a salad server : en
  • GB610601A - Improvements in or relating to automatic valves : en
  • FR938546A - Advanced adjustment mechanism for variable-pitch propellers : en fr
  • FR938658A - Improvements to high frequency amplifiers : en fr
  • US2451861A - Method of controlling phase relationships in an electronic circuit : en
  • US2451695A - Polyamides of high birefringence and method for obtaining same : en
  • US2451972A - Optical indicator having cooperating grids : en
  • US2451466A - Electric wire terminal : en
  • USD151473S - Design fob an animal feeder : en
  • FR938621A - Method for forming fusion joints : en fr
  • GB610521A - Shock producing machine for casting metals : en
  • US2451663A - Bridge structure for ph measurement device : en
  • US2451708A - Rotary refiner : en
  • US2451895A - Synthetic grease : en
  • CA451971A - Rodent trap : en fr
  • US2451656A - Power-driven conveyer attachment for dump trucks : en
  • US2451808A - Floating cowl fastener construction : en
  • DK67812C - Procedure for preserving fresh eggs. : da en
  • FR938602A - Improvements to frequency-modulated receivers : en fr
  • AU2252948A - Improvements in control gear for electric cranes andthe like : en
  • US2451738A - Process for the manufacture of pentaenes : en
  • USD151443S - Design fob a door knocker : en
  • US2451551A - Railway draft gear : en
  • US2451635A - Apparatus for treating tubular bodies : en
  • US2452005A - Method of coating with synthetic resin containing an accelerator, and resin composition : en
  • CA451949A - Feeding and forming machine : en fr
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  • US2451748A - Oxidation inhibitor for fats and oils : en
  • AU144066B2 - Improvement indiscrete interval tuning system and method : en
  • AU2247248A - Improvements in clamping devices : en
  • CA451986A - Treatment of alumina-bearing ores : en fr
  • CA452026A - Process for preserving perishable foodstuffs : en fr
  • US2451991A - Fastener : en
  • US2451925A - Pump valve construction : en
  • GB610920A - Center for machine-tools : en
  • US2451481A - Bracing device for bombs on aircraft : en
  • US2451914A - Dagger stop for looms : en
  • US2451963A - Isocyanates of hydrolyzed ethylene vinyl ester interpolymers : en
  • US2451797A - Apparatus for producing pressure pulses in boreholes : en
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  • AU2261248A - Improvements in or relating to oil-suspensions of insoluble penicillin salts containing an emulsifier and methods of preparing thesame : en
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  • US2451726A - Dry cell depolarizing and reconditioning device : en
  • DK67820C - Roller for roller skates. : da en
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  • FR938575A - Antioxidants for developers and developers containing them : en fr
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  • USD151456S - Design for a pencil sharpener : en
  • US2451838A - Smoker's pipe : en
  • GB610781A - Improved siphon : en
  • US2451948A - Shearing apparatus : en
  • US2451699A - Support : en
  • US2451509A - Testing device for sound projectors : en
  • US2451600A - Tube gauge : en
  • FR938667A - Automatic frequency adjustment device in radio receivers : en fr
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  • US2451727A - Piston pin holder attachable to conventional vise jaws : en
  • GB610694A - Improvements in or relating to connections between spindles and parts required to be fixed against rotation thereon : en
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  • US2451533A - Method of producing improved yarn : en
  • DK67799C - Retractable stand or arm with an electrically consumable body located on the end of the same. : da en
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  • US2451997A - Electronic timing control system : en
  • GB610940A - Safety device for nuts : en
  • GB610655A - Selective filtering system for electric pulse trains : en
  • US2451746A - Fever thermometer : en
  • US2451817A - Process for regenerating spent aqueous alkaline solution : en
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  • GB610700A - Improvements in or relating to supporting devices for gas, electric and other lamps : en
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  • US2451956A - Folding vehicle for children : en
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  • FR938716A - Improvements to extrusion machines : en fr
  • US2451664A - Organo-disiloxane and methods of preparing it : en
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  • GB610662A - Electron multiplier for ultra-high frequencies : en
  • GB610666A - Improvements relating to telegraph circuit arrangements : en
  • CA452052A - Method of and apparatus for applying coating materials : en fr
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  • CA451954A - Game : en fr
  • CA451984A - Liquid vinyl resin dispersion : en fr
  • FR938665A - Multi-Core Insulated Cable Manufacturing Improvements : en fr
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  • US2451822A - Distance and speed indicating system : en
  • US2451719A - Anchor : en
  • US2451834A - Phase shifting circuit : en
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  • AU2296148A - Improvements in or relating to ink roller vibrator mechanism for printing presses : en
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  • DK67791C - Process for the preparation of stable aqueous solutions of alkali metal salts of 1-methyl-5-isopropyl-5-allyl-barbituric acid. : da en
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  • GB610780A - Improvements in dial bore gage : en
  • GB610978A - Improvements in snap-action electric switches particularly for use with amusement vehicles and boats : en
  • US2451926A - Electric air heater : en
  • FR938544A - Improvements to directional air systems operating at very high frequencies : en fr
  • FR938551A - Unsymmetrical signal clipping device : en fr
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  • FR938721A - Improvements to electric valve circuits : en fr
  • GB610693A - Improvements in smokers' ash receptacles : en
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  • CA452081A - Internal combustion engine : en fr
  • GB610619A - Process for the separation of isomeric substituted quinoline carboxylic acids and esters thereof : en
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  • US2451681A - Oil burner delayed-action valve : en
  • US2451933A - Rope or wire tightener : en
  • US2451648A - Blank advancing means : en
  • US2452028A - Antisplash construction for footwear : en
  • GB610941A - Improvements in or relating to colloidal silver and light-filter layers thereof : en
  • GB610615A - Improvements in and relating to synchronous electric motors : en
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  • GB610877A - Improvements in or relating to roofs and walls for buildings and the like : en
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  • US2451744A - Refrigerator liner evaporator : en
  • US2451783A - Method of making skin-and-frame assemblies : en
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  • USD151469S - Automobile heater casing or the like : en
  • US2452014A - Duplex package and method of making the same : en
  • FR938562A - Description of the mechanical direction indicator device with illuminated arrows and special red light for bicycles and mopeds : en fr
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  • US2451992A - Apparatus for curing pneumatic tires : en
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  • GB610796A - Modified castor oil and compositions containing it : en
  • GB610914A - Improvements in or relating to machines for staking, softening and similarly treating hides, skins, leather and the like : en
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  • US2451870A - Chlorine manufacture : en
  • US2451966A - Transducer : en
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  • US2451737A - Process for the manufacture of pentaenes : en
  • US2451944A - Axial flow compressor and like machines : en
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  • GB610566A - Improvements in and relating to the manufacture of naphtha-4:5-selenazole compounds and to the manufacture of dyes containing the naphtha-4:5-selenazole nucleus : en
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  • AU2319948A - Improvement in beam deflection control : en
  • CA451992A - Carton : en fr
  • FR938739A - Ultra-shortwave transmission device : en fr
  • GB610598A - Improvements in machines for processing rubber, plastics or the like : en
  • AU147190B2 - Improvements in electrical networks for echo and like correction in electrical signalling systems : en
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  • US2451614A - Gun aiming and firing means : en
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  • FR938592A - Process for preventing the formation of foam in hydrocarbon oils : en fr
  • GB610664A - Improvements in and relating to pulse radar equipment : en
  • AU139290B2 - Improvements in machines for making pile fabrics : en
  • US2451772A - Solubilization of rutin with methyl glucamine : en
  • US2451776A - Predetermined stop dispensing mechanism of coin and manual controlled type : en
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  • GB610809A - Phonograph : en
  • AU149485B2 - Improvements intwo-coordinate step-by-step electromagnetic switches : en
  • AU2317148A - Improvements intwo-coordinate step-by-step electromagnetic switches : en
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  • US2451955A - Composition for poison ivy diagnosis : en
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  • US2451523A - Corrosion inhibitor : en
  • US2451497A - Thread miller : en
  • US2451837A - Sportsman's mitten : en
  • AU139663B2 - Improvements in and relating to inductor type dynamo-electric machines such as inductor magnetos for internal combustion engines : en
  • LU29186A1 - : en
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  • GB610983A - Improvements in electrical circuit breakers using compressed air blow-out : en
  • AU2251748A - Mono-and diquaternary salts of pyrimidylaminoquinolines : en
  • CA452088A - Turbine apparatus : en fr
  • US2451850A - Photosensitive discharge device : en
  • DK67801C - Arc welding device in stylus with a resilient suspended ball electrode. : da en
  • CA451995A - Bolster spring unit : en fr
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  • AU2261148A - Improvements in knitted articles and machine for producing same : en
  • AU2320948A - Improvements in or relating to devices comprising a tunable oscillator ofwhich the frequency is stabilized by means ofa frequency spectrum : en
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  • DK67803C - Seed grinder. : da en
  • CA451944A - Dental flask : en fr
  • AU2324948A - Improvements in or relating to ink-applying means for rotary printing presses : en
  • CA452047A - Jordan apparatus : en fr
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  • AU2260448A - Improvements in or relating to processes for preparing an enzyme composition from pancreas glands : en
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  • CA452038A - Voice frequency ringing system : en fr
  • US2451994A - Splinter remover : en
  • USD151461S - Design fob a handbag : en
  • USD151475S - Design foe a jacket : en
  • USD151482S - Design fob a wallpaper : en
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  • US2451501A - Specular reflectometer : en
  • US2451945A - Preparation of potassium alcoholates : en
  • AU134132B2 - Improvement in focusing camera : en
  • FR938590A - Process for recovering light oils from absorbents : en fr
  • FR938635A - Control device for variable pitch propellers : en fr
  • GB610591A - Improvements in or relating to tuning devices for radio receiving sets or the like : en
  • US2451705A - Control device for hydraulic steady-rest chucks : en
  • US2451975A - Conveyer : en
  • US2451512A - Means for press forging articles : en
  • US2451544A - Film viewing device : en
  • AU676646A - Improvements in or relating to universal joints : en
  • CA452042A - Extrusion machine : en fr
  • CA452020A - Bowl mill : en fr
  • DK67809C - Apparatus for Use in Purifying Pipes. : da en
  • GB610930A - Collapsible chip or container : en
  • FR938559A - Improvements to multiplex telephone systems : en fr
  • US2451788A - Garment hanger : en
  • FR938662A - Improvements to telemetry devices : en fr
  • GB610570A - Antibiotics : en
  • US2451730A - Detent means : en
  • US2451685A - Boxing glove : en
  • CA451947A - Shaving mechanism : en fr
  • US2451490A - Production of aluminum : en
  • US2451909A - Series generator-fed motor system : en
  • US2451566A - Automatic panel circuit for air reheat control : en
  • US2452001A - Alkooc : en
  • CA452002A - Resinous composition : en fr
  • CA451985A - Azeotropic distillation of xylene oils with methanol : en fr
  • US2451846A - Nursing bottle holder : en
  • US2451879A - Hydrocarbon synthesis : en
  • USD151427S - Design fok a hair comb : en
  • CA451983A - Floor surfacing machine : en fr
  • GB610541A - Improvements in or relating to variable-stroke pumps : en
  • GB610818A - Improvements in or relating to q meter : en
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