• US2378470A - Container and method of sealing same : en
  • US2378501A - Process for manufacturing acrylic esters and other unsaturated compounds by thermal decomposition : en
  • US2378583A - Photographic printing material : en
  • AU1168543A - Improvement in electrostatic condenser : en
  • US2378412A - Apparatus for hydrodynamictesting of ship models : en
  • US2378573A - Process for the manufacture of keto-alcohols : en
  • CA428223A - Inverted guide valve unit : en fr
  • CA428257A - Rope structure : en fr
  • US2378673A - Shoe stiffener blanks : en
  • FR900091A - Flyers with separable advertising reply postcards : en fr
  • US2378453A - Azo dye intermediates : en
  • CA428306A - Cellulosic material processing : en fr
  • US2378707A - Welding rod holder : en
  • US2378451A - Dispensing bottle cap : en
  • US2378455A - Air and signal line connection for retractable couplers : en
  • US2378888A - Channel runway : en
  • US2378580A - Air propeller driving system : en
  • USD141626S - Abrams child s plate : en
  • US2378855A - Can feeding means : en
  • US2378845A - Grid for ice trays : en
  • GR10376B - ADJUSTABLE OIL-GASOLINE COOKING INDUSTRY. : el en
  • USD141669S - Poyer airplane : en
  • US2378671A - Method of manufacturing neckties : en
  • US2378757A - Comminuting method and apparatus : en
  • US2378880A - Nitrogenous organic compounds and process of making same : en
  • US2378718A - Syringe : en
  • CA428289A - Lamp circuit : en fr
  • AU1127243A - Improvements in and relating to controlling means for screen glasses in welding helmets : en
  • LU27699A1 - : en
  • GB570125A - Improvements in inductor alternators : en
  • CA428219A - Toe protecting shield : en fr
  • FR900006A - Method and device for stabilizing voltages, particularly applicable to thermionic tubes : en fr
  • GB570030A - Improvements in and relating to aircraft controls : en
  • GB570094A - A thermionic-valve switching circuit : en
  • CA428206A - Clip for flexible tubes : en fr
  • USD141647S - Design for a chair : en
  • GB570058A - Saw-tooth swaging apparatus : en
  • GR10385B - UNDERWATER LIFEGUARD. : el en
  • US2378529A - Outlet box : en
  • US2378533A - Method for processing and concentrating fruit juices : en
  • US2378869A - Rest for riveting hammers : en
  • US2378485A - Heating apparatus : en
  • US2378841A - Harmony : en
  • CA428232A - Electric switch : en fr
  • US2378445A - Coated object and process for making the same : en
  • US2378884A - Transformer : en
  • US2378663A - Radio receiver : en
  • US2378527A - Typewriter calculating machine : en
  • US2378641A - Toothbrush : en
  • US2378693A - Coagulant for synthetic rubber latices : en
  • US2378744A - Control device for the automatic pilotage of airplanes : en
  • GB569999A - Improvements in and relating to diaphragms : en
  • US2378578A - Garment hanger : en
  • US2378684A - Lock nut : en
  • US2378669A - Electrical machine : en
  • US2378493A - Optical device : en
  • US2378873A - Voltage regulator : en
  • DK63625C - Means for Metal Welding. : da en
  • US2378644A - Sanitary mop device : en
  • US2378792A - Catalyst chamber construction : en
  • US2378609A - Lock nut and blank therefor : en
  • FR900220A - Differential pressure gauge : en fr
  • USD141622S - Design for a strap extension retainer : en
  • FR900130A - Device for automatic adjustment of status characteristics such as temperature, pressure, weight, humidity or level : en fr
  • US2378450A - Coking retort oven : en
  • US2378811A - Taper cutting attachment tool : en
  • GB570086A - Improvements in or relating to women's outer garments or dresses : en
  • FR900116A - Advanced drive mechanism for small format films : en fr
  • FR900099A - Method and device for advancing the work in lining machines for making shoes : en fr
  • FR900119A - Check valve intended in particular for gas protection shelters : en fr
  • US2378564A - Flexible coupling : en
  • US2378736A - Reflector apparatus and button therefor : en
  • US2378397A - Alloy process : en
  • FR900096A - Electrode salt bath oven : en fr
  • GB570085A - Smoking appliance : en
  • FR900169A - Electric pressure gauge and its application to flow measurement : en fr
  • US2378809A - Folding litter : en
  • US2378434A - Sleeping bag : en
  • US2378805A - Underfeed stoker and its operation : en
  • US2378620A - Thermionic valve circuits : en
  • US2378482A - Means for forming sheet metal : en
  • FR900065A - Distribution installation for water mains services intended in particular for distributing water to small dwellings and the like : en fr
  • GB570109A - Manufacture of paper yarns, strings and the like : en
  • USD141638S - Design fob a clothespin : en
  • FR900164A - Sulfinic acids and their preparation process : en fr
  • GB570087A - Improvements in electrical transmission lines : en
  • GB570116A - Improvements in and relating to knitting machine jack and needle beds : en
  • GB570053A - Improvements in and relating to gland packings : en
  • IE18798L - Electric selective signalling; control and supervision. : en
  • US2378758A - Apparatus for use in treating and coating articles : en
  • US2378887A - Protective eyepiece : en
  • US2378643A - Grinding or polishing machine and contact roll therefor : en
  • US2378876A - Actinomycin : en
  • FR900223A - Current feed by cursor, especially for intense high frequency currents : en fr
  • US2378376A - Heating plant : en
  • GB570069A - Improvements in fluid controlled mechanisms, particularly for steering endless trackvehicles : en
  • FR900064A - Insulated conductor with glass wrap : en fr
  • GB570073A - Curing phenol-formaldehyde resins : en
  • US2378415A - Car truck : en
  • US2378735A - Grenade : en
  • GB570100A - Improvements in or relating to boring heads : en
  • FR900203A - Separating wringer with full casing, with evacuation by propeller and with blades : en fr
  • FR900215A - Process for the production of lead and copper coatings in any composition and thickness : en fr
  • US2378532A - Indicating mechanism for liquid dispensing devices : en
  • FR900218A - Concentric cables for high frequency energy : en fr
  • FR900086A - X-ray machine : en fr
  • US2378404A - Fire extinguishing system : en
  • US2378430A - Dispensing apparatus : en
  • GB570037A - Improvements in or relating to the preparation of progressive-burning smokeless powder : en
  • FR900062A - Improvements to machines for cutting fabrics or the like : en fr
  • FR900125A - Retaining device intended to be attached directly to a ski : en fr
  • FR900134A - Device for the automatic coupling of the drawing carriage and for the automatic application of the gripping device to the workpiece, in the benches for drawing rods or rods : en fr
  • US2378454A - Pipe and tubing gripper : en
  • FR900054A - Speed change in stages : en fr
  • GR10372B - ZYMOPLASTIS. : el en
  • FR900023A - Further training in the manufacture of fuel agglomerates : en fr
  • DK63612C - Procedure for Coagulation of Emulsions. : da en
  • DK63628C - Bicycle basket that has the shape of a carrying net or carrying case. : da en
  • US2378706A - Combination garment : en
  • US2378760A - Steam heating system and control valve therefor : en
  • GB570080A - Arrangement for indicating standing electromagnetic waves in waveguides : en
  • AU120046B2 - Relief valve : en
  • US2378666A - Sliding door construction : en
  • US2378778A - Centrifugal separator bowl : en
  • US2378399A - Abrasive material : en
  • US2378729A - Cold-working magnesium alloy tubes : en
  • US2378558A - Governor : en
  • US2378882A - Manufacture of articles from liquid dispersions : en
  • AU1149743A - Improvements in filters : en
  • US2378385A - Power train interrupter for changespeed transmissions : en
  • US2378829A - Directional gyro : en
  • GB570098A - Improvements in centre and like drills : en
  • US2378790A - Titanium dioxide pigments : en
  • FR900008A - Improvements to remote automatic fire alarm devices, or gas detectors : en fr
  • US2378381A - Pitch control for helicopter blades : en
  • US2378379A - Oil burner fuel control : en
  • US2378452A - Internal-combustion engine : en
  • FR900087A - Method of closing boxes with movable covers : en fr
  • US2378658A - Grain loader : en
  • FR900205A - Process for manufacturing flour, semolina and tablets of fleshy plants, such as vegetables, fruits and in particular potatoes, and products conforming to those obtained : en fr
  • GB570023A - Improvements in latches and combined locks and latches : en
  • GB570026A - Improvements in or relating to the manufacture and production of electrical resistors with a low inductance : en
  • US2378400A - Pipe : en
  • USD141637S - Brooch or similar article : en
  • FR900007A - Gearshift improvements for motor cars and, more particularly, for electric vehicles : en fr
  • US2378484A - Wool sampler : en
  • US2378714A - Fireproofing compositions : en
  • USD141664S - Design for a coat : en
  • US2378447A - Plasticized composition : en
  • CA14122S - Plane : en
  • US2378504A - Towing device : en
  • FR900039A - Bar treated : en fr
  • US2378646A - Method of making heat exchangers : en
  • GB570033A - An improved method of welding : en
  • US2378590A - Rail fastening : en
  • US2378755A - Novelty device : en
  • FR900002A - Improvement in the charging device of an accumulator battery using a switch : en fr
  • FR900033A - Industrial food products made from medlar stones or similar fruits and their manufacturing processes : en fr
  • GB570014A - Heteropolar inductor alternators : en
  • GB570115A - Improvements in or relating to heat-exchange apparatus : en
  • FR900235A - Process for the production of a base exchange and temperature resistant adsorption agent : en fr
  • US2378523A - Printing press gripper mechanism : en
  • US2378806A - Interchangeable punch and die and retainer for same : en
  • US2378585A - Safety paper : en
  • US2378767A - Closure for handbags : en
  • GB569985A - Improvements in and relating to bar elements for electric fires : en
  • GB570077A - Purification of liquids : en
  • FR900156A - Process for increasing the resistance to duration or to alternating forces presented by metals : en fr
  • FR900133A - Method and apparatus for wet treatment of articles wound on coils and permeable to moisture : en fr
  • US2378703A - Web drier : en
  • USD141619S - Combined lavatory and vanity : en
  • US2378540A - Remote control system : en
  • US2378542A - Method and apparatus for catalytic processes : en
  • GB570031A - Improvements in or relating to gas-fired reheating furnaces : en
  • FR900073A - Amplifier assembly : en fr
  • CA428190A - Drawbar or hitch for agricultural implements : en fr
  • FR900248A - Industrial process for obtaining the metal manganese or its dioxide by electrolytic means : en fr
  • GB570032A - Improvements in or relating to gas-fired reheating furnaces : en
  • GB570004A - Improvements in helicopters : en
  • US2378697A - Welding apparatus : en
  • US2378541A - Traffic observing apparatus : en
  • US2378474A - Steering mechanism : en
  • US2378686A - Electric welded crankshaft : en
  • US2378656A - Button sewing machine : en
  • USD141657S - Design fob a doll : en
  • FR900014A - Improvement in the process of removing sulphide impurities from gases : en fr
  • FR900051A - Device for regulating the tension of the wires on an untwisting cable machine : en fr
  • US2378617A - Helicopter : en
  • US2378834A - Primary aromatic amine aldehyde resin, products, and methods of making the same : en
  • CA428291A - Laminated product : en fr
  • FR900026A - Treatment of fermentable materials : en fr
  • FR900174A - Lock with key including a device indicating the position of the lock when removing the key : en fr
  • US2378516A - Manufacture of heating heads and blowpipe nozzles : en
  • US2378752A - Electric power transmission system : en
  • GB570045A - Improvements in antioxidants : en
  • FR900042A - Method and apparatus for tracing timber and the like : en fr
  • IE17204L - Delivering liquid-solid mixtures : en
  • GB570113A - Improvements in refractory members especially applicable to furnace hearths, dampersand the like : en
  • GB570046A - Key cases : en
  • USD141665S - Design for a comb : en
  • USD141611S - Design fob an obphbey or similar article : en
  • FR900044A - Electric reflector bulb : en fr
  • US2378843A - Burnishing tool : en
  • FR900137A - Suction pipe for double cylinder head of two contiguous cylinders of air-cooled engines : en fr
  • FR900020A - Process for preparing aperitif, refreshing and digestive drinks, syrups, etc., and products obtained by this process : en fr
  • FR900175A - Use of the rising tidal force : en fr
  • US2378592A - Crankshaft for internal-combustion engines : en
  • FR900016A - Improvements to lathe tailstock : en fr
  • US2378833A - Cross linked primary aromatic amine formaldehyde resins and methods of making the same : en
  • FR900100A - Hand tool for plowing the soil : en fr
  • GB569980A - Improvements in or relating to spring suspended seats of arm-chairs, settees and like pieces of furniture : en
  • GB569995A - Filled detachable radio shielded spark plug lead : en
  • FR900149A - Ink conductor for reservoir pen holders : en fr
  • FR900022A - Method for casting metal ingots and device for applying the method : en fr
  • CA428310A - Coupling transformer : en fr
  • GB570000A - Improvements in or relating to electric insulators : en
  • FR900074A - Electrical assembly for frequency modulation : en fr
  • US2378507A - Crank assembly : en
  • US2378546A - Riveting tool : en
  • US2378486A - Knee rest for crutches : en
  • GB570065A - Improvements relating to tractor wheel attachments for road use : en
  • AU930443A - Improvements relating to reciprocating pumps : en
  • US2378499A - Means of attachment for screen leaf springs : en
  • US2378586A - Molding apparatus : en
  • DK63616C - Electric Flashlight, preferably for Vehicles, especially a Bicycle Taillight. : da en
  • FR900198A - Device for automatic indication and adjustment of status characteristics : en fr
  • FR900145A - Treatment, by dehydration and spraying, of anti-rheumatic sludge from dax to enable its shipment to all parts of the world : en fr
  • US2378424A - Wash fountain : en
  • US2378487A - Optical instrument : en
  • US2378568A - Material handling apparatus : en
  • FR900092A - Process for preparing condensation products : en fr
  • USD141655S - Perfume containing ornament or the like : en
  • US2378615A - Tractor : en
  • FR900135A - Chipboard for wood gasifier : en fr
  • CA428276A - Lactone purification : en fr
  • CA428287A - Periscopic vision device : en fr
  • GB570102A - Improvements in apparatus for the gravitational control of photo-electric cells : en
  • US2378441A - Aircraft supercharger control : en
  • US2378632A - Apparatus for separating solids from liquids : en
  • US2378588A - Method of making bearings : en
  • FR900117A - Auxiliary Electrode Device for Electrode Salt Bath Furnaces : en fr
  • AU954243A - Improvements in or relating to electrical switch gear for use in mines andthe like : en
  • CA428185A - Spray device discharge cap : en fr
  • FR900090A - Additional optical system for microscope : en fr
  • CA428202A - Ice skate : en fr
  • US2378631A - Wheel aligner : en
  • USD141650S - Design fob a picture frame : en
  • US2378555A - Electric compensator : en
  • US2378559A - Synthetic elastomers : en
  • USD141668S - Design for a hydbauuc press : en
  • AU1128143A - Improved electrically-operated soldering iron : en
  • CA428243A - Ion source : en fr
  • AU925043A - Improvements in distilling apparatus especially applicable for use in ships lifeboats : en
  • CA428213A - Tree treating means : en fr
  • GB569979A - Improvements in or relating to coated fabrics : en
  • US2378536A - New vinyl polymer and process for its production : en
  • CA428283A - Fluorescent lamp : en fr
  • CA428230A - Grinding machine : en fr
  • US2378743A - Sine plate angle wheel dresser : en
  • US2378515A - Adjustable rib : en
  • USD141660S - Design fob a dbess : en
  • FR900112A - Process for the treatment of building materials : en fr
  • CA428189A - Shake splitting machine : en fr
  • US2378435A - Chemical compounds : en
  • US2378655A - Switch mechanism : en
  • US2378764A - Device for the generation of pressure in presses : en
  • US2378440A - Process and means for measuring soil resistivity and certain electrical characteristics associated with a buried pipe line : en
  • US2378602A - Drilling string with an inside cutting-off sub incorporated therein : en
  • CA428272A - Water soluble theophylline derivative : en fr
  • FR900180A - Liquid degasser : en fr
  • FR900047A - Lever valve for pressurized fluid : en fr
  • FR900195A - Motor vehicle with dental equipment and waiting room : en fr
  • AU120044B2 - Improvements in moisture-arresting breathers for use withthe casings of enclosed transformers andother encased apparatus : en
  • CA428250A - Motor control system : en fr
  • US2378709A - Motor drive fob printing and issuing : en
  • US2378497A - Equal movement system : en
  • US2378651A - Catalytic process : en
  • US2378667A - Phenol-formaldehyde resin and polyamide composition : en
  • GB570034A - Improvements in elevators : en
  • FR900114A - Method of manufacturing a fork for industry or for agriculture and shaping of the blank and the final fork : en fr
  • AU120040B2 - Improvements relating to amplifying arrangements : en
  • FR900025A - Improvements to feedback amplifiers : en fr
  • FR900110A - Turbo-machine with blades welded to the rotor : en fr
  • FR900078A - Device for converting ladies' bicycles into children's bicycles : en fr
  • FR900197A - Combined kettle : en fr
  • GB569975A - Improvements in or relating to tooth reconstructions : en
  • FR900216A - Process for making glass-to-metal seals : en fr
  • GB570067A - Improvements relating to gas fires and to radiants for such fires : en
  • US2378411A - Metal plate rectifier : en
  • CA428226A - Shipping container : en fr
  • US2378719A - Single stringer separable fastener : en
  • USD141656S - Design fob a combination frame and support : en
  • USD141616S - Religious medallion or similar article : en
  • US2378406A - Photographic camera : en
  • FR900185A - Method and machine for lifting potatoes using a lifting device comprising an oscillating sieve and a laterally mounted apparatus for removing the tops : en fr
  • US2378562A - Die : en
  • DK63622C - Reinforcing bars for reinforced wooden boards and Procedures for the manufacture of and accessories for such reinforcing bars. : da en
  • DK63630C - Procedure for Finishing Paper Yarn. : da en
  • US2378770A - Sextant : en
  • US2378581A - Conversion of amplitude modulation to frequency modulation : en
  • FR900021A - Improvements to welt assembly processes in shoe manufacturing : en fr
  • US2378622A - Safety razor case : en
  • US2378554A - Power saw for felling and cutting pulpwood : en
  • US2378857A - Visual indicating system : en
  • GB569990A - Improvements in and relating to diode rectifier circuits : en
  • USD141628S - Design for a finger ring : en
  • FR900111A - Thread guide device for bobbin winders comprising a thread guide driven by an oscillating back and forth movement sliding along the spool pin and which is driven by a crank plate supported by the thread guide holder : en fr
  • FR900187A - Process for preparing sulfonic acids : en fr
  • FR900089A - Drawing instrument : en fr
  • FR900233A - Device for mounting the coils on the discs or the plates of the <<barillet>> or <<trailer>> wave switches used in particular in t. s. f. and in television : en fr
  • GR10371B - MANNER OF SIMPLIFICATION AND PERFECTION OF THE CIGARETTE CUTTING MECHANISM IN CIGARETTE MACHINE OF ALL TYPES. : el en
  • FR900181A - Joint for frame truss : en fr
  • US2378688A - Throttle lever : en
  • USD141644S - Design fob a card and poker chip holder : en
  • FR900160A - Process for the preparation of betaine derivatives : en fr
  • US2378495A - Chair : en
  • US2378803A - Lubricants : en
  • USD141663S - Design fob a coat : en
  • AU124900B2 - Improvements in and relating tothe production and treatment of paper and paper forming material : en
  • GB570052A - Stop nut : en
  • US2378550A - Connector ring groove centering device : en
  • US2378816A - Food storage receptacle : en
  • FR900143A - Brake for cycles : en fr
  • GB570076A - Improved method and apparatus for the removal of suspended particles from liquid media : en
  • US2378410A - Regulator : en
  • US2378517A - Accumulator : en
  • US2378611A - Method of synchronizing the pictures and the sound of independently arranged picture-and needle-sound-reproduction devices : en
  • FR900094A - Disc brakes for motor vehicles : en fr
  • FR900146A - Distribution and intake chamber for two-stroke engine : en fr
  • US2378475A - Liner for impact members : en
  • US2378877A - Batten : en
  • FR900166A - Assembly used to produce ultra-high frequency oscillations : en fr
  • GB570062A - Improvements in or relating to divers' equipment : en
  • FR900199A - Assembly used for the detection of frequency modulated oscillations : en fr
  • GB570035A - Improvements in or relating to planographic printing plates : en
  • FR900055A - Manufacturing process of pedal boxes for cycles : en fr
  • FR900027A - Agricultural device : en fr
  • US2378763A - Making lubricating oil constituents : en
  • FR900041A - Decoration process for transparent materials : en fr
  • US2378614A - Device for measuring yarn friction : en
  • US2378868A - Protective device for vending machines : en
  • FR900129A - Further training in electric wheel welders : en fr
  • US2378426A - Fire extinguisher means : en
  • US2378612A - Undesired modulation detection : en
  • CA428242A - Circuit interrupter : en fr
  • CA428231A - Panel welding machine : en fr
  • CA428225A - Metal cutting machine : en fr
  • AU120043B2 - Means for producing synchronization and regeneration of electric telegraph signals : en
  • CA428299A - Wet magnetic separation method : en fr
  • US2378589A - Power driving unit : en
  • CA428302A - Lathe stock feeding mechanism : en fr
  • US2378613A - Fuel tank flapper valve : en
  • US2378647A - Truck : en
  • US2378382A - Process for reducing the sulphur content of gasoline : en
  • US2378699A - Protection of molten magnesium and magnesium-base alloys : en
  • USD141646S - Dust cover for voice recording machines : en
  • CA428266A - Transmission system for statistical data : en fr
  • US2378416A - Combination sound and picture device : en
  • US2378624A - Fountain dispenser : en
  • FR900037A - Improvements to dental molding compositions : en fr
  • GB570002A - Improvements in or relating to the surface hardening of ferrous metal bodies : en
  • AU129496B2 - Improved control mechanism for supercharged internal combustion engines : en
  • CA428304A - Pulverizing mill : en fr
  • CA428307A - Acid ester of sugar : en fr
  • CA428303A - Shingle package : en fr
  • CA428197A - Fowl vaccinator : en fr
  • CA428245A - Circuit breaker : en fr
  • CA428238A - Electrostatic dust sampler : en fr
  • US2378548A - Ferrous alloys containing bismuth : en
  • USD141645S - staubli : en
  • FR900242A - Polynuclear acids and their application to the sizing of papers and similar products : en fr
  • US2378637A - Lens drill : en
  • FR900106A - Flexible cable for high voltage : en fr
  • GB570017A - Improvements in machines for the application of closure caps to bottles, jars, cans and the like receptacles : en
  • US2378427A - Flexible track : en
  • CA428268A - Record controlled perforating apparatus : en fr
  • FR900098A - Cleaning process and detergent used : en fr
  • GB570075A - Improvements in or relating to the manufacture of compact combustible explosive charges : en
  • GB570119A - Improvements in or relating to hydraulic devices for the transmission of power : en
  • US2378539A - Process of making shaped bodies capable of being sintered : en
  • US2378756A - Sewage treatment : en
  • US2378695A - Method of coagulating synthetic rubber latices : en
  • US2378535A - Monomeric and polymeric esters of vinyl thiols and process for their manufacture : en
  • US2378569A - Cathode-ray tube : en
  • US2378789A - Towel dispensing apparatus : en
  • CA428295A - Piston ring crowning apparatus : en fr
  • FR900182A - wooden construction element : en fr
  • FR900196A - Electrically operated compressed air brake : en fr
  • GB570028A - Improvements in or relating to devices for sharpening razor blades : en
  • DK63617C - Procedure for Manufacturing Cathodes Resistant to Explosion. : da en
  • US2378625A - Bedspring : en
  • FR900211A - Pocket lighter with screwed tank cap : en fr
  • FR900102A - Capacitor of which at least one of the plates is formed by a metal layer applied to the dielectric : en fr
  • US2378687A - Method of producing a sealing deposit in a well bore : en
  • FR900108A - Quick clamping and release device using levers, applicable in particular to certain vices : en fr
  • AU120033B2 - Improvements in metal shaping machines : en
  • CA428193A - Stair rail bracket hanger : en fr
  • FR900046A - Sunflower gin : en fr
  • FR900176A - Process for manufacturing elastic and flexible articles from solutions, suspensions or dispersions of synthetic resins and articles thus obtained : en fr
  • GB570110A - Improvements in telescopic suspension applied to front wheels of motor cycles : en
  • CA428274A - Railway vehicle : en fr
  • FR900069A - Process for the preparation and use of impregnating means, preferably for paper, cardboard or the like : en fr
  • FR900193A - Manufacturing process of building plates : en fr
  • FR900144A - Filter for internal combustion engines : en fr
  • US2378383A - Transient signal recordingreproducing device : en
  • US2378417A - Shock absorber : en
  • USD141636S - Spanish doll souvenir tea bell : en
  • FR900113A - Device for adjusting the operating mode of liquid shock absorbers, in particular for motor cars : en fr
  • GB570021A - Combined hat, coat or parcel hanger advertising device : en
  • CA428285A - Magazine feed stove : en fr
  • US2378879A - Filter structure : en
  • USD141639S - Design for a game board : en
  • US2378864A - Carburetor : en
  • US2378375A - Transmission mechanism of the v-pulley type : en
  • AU991243A - Improvements relating to apparatus for use inthe treatment of water : en
  • US2378821A - Bed warmer : en
  • FR900030A - Ball-joint coupling device particularly for linkages : en fr
  • DK63620C - Procedure for Preparing Oil Solutions of Strychnine Oxide. : da en
  • US2378668A - Electrical machine : en
  • US2378881A - Extension of rubber : en
  • CA428228A - Barge or hull : en fr
  • CA428286A - Arc extinguishing means : en fr
  • US2378600A - Centrifugal dust separator : en
  • US2378750A - Paper container : en
  • US2378575A - Resinous composition : en
  • FR900227A - Improvements made to installations forming tanks or cisterns, in particular those for liquid fuels : en fr
  • AU120059B2 - Improvements relating to apparatus for use inthe treatment of water : en
  • USD141620S - Design for a combined lavatory and vanity : en
  • GB569972A - An improved directional flight-level indicating instrument : en
  • CA428269A - Display container : en fr
  • US2378751A - Railway traffic controlling apparatus : en
  • US2378389A - Recording-reproducing device : en
  • GB570111A - Glass article and method of making it : en
  • US2378749A - Hoisting mechanism : en
  • US2378795A - Therapeutic appliance : en
  • US2378883A - Control device : en
  • US2378597A - Parasiticidal preparations : en
  • US2378377A - Mastic tile : en
  • AU120041B2 - Improvements in filters : en
  • GB569992A - Improvements in or relating to wheels for agricultural and like vehicles : en
  • FR900017A - Process for obtaining a mixture, metered and purified, of air and gasifier gas for the supply of engines and production device : en fr
  • US2378405A - Flasher : en
  • US2378547A - Television system : en
  • US2378670A - Gun firing interrupter : en
  • USD141617S - Religious medallion or similar article : en
  • FR900236A - Carbon paper with border for handling : en fr
  • GB570128A - Improvements in or relating to the packaging of articles : en
  • FR900244A - Method and apparatus for dehydrating very fine granular materials : en fr
  • FR900132A - Method for size of gears : en fr
  • GB570099A - A combined twist drill and countersinking or counterboring attachment : en
  • US2378543A - Elastic work holder attachment for vise jaws : en
  • US2378851A - Self-aligning antivibration coupling : en
  • GB570118A - Improvements in or relating to electrical driving systems for ship propellers : en
  • AU992343A - Line selection by discriminating signals : en
  • US2378467A - Accumulator bladder : en
  • US2378874A - Engine mounting : en
  • GB570016A - Improvements in or relating to crankshafts and the method of securing flywheels thereto : en
  • GB570078A - Purification of liquids : en
  • US2378759A - Manufacture of airplane frames, etc. : en
  • FR900245A - A method of producing mechanically readable sonk writing soundtracks : en fr
  • GB570074A - New resinous materials : en
  • FR900013A - Internal combustion engine : en fr
  • GB570009A - An appliance for use in cooking food and other purposes : en
  • GR10378B - LIGHTWATER SEAT BASIN SEAT. : el en
  • FR900162A - Method and apparatus for obtaining aqueous suspensions of certain mixtures such as starch milk from potato chips : en fr
  • GR10384B - LIFEGUARDING LIFEGUARDING DEVICE FOR USE OF SUBMARINE AND SURFACE SHIPS. : el en
  • GB570068A - Improvements relating to domestic fire-places : en
  • GB570090A - An improved method of and means for regulating the temperature of rooms : en
  • DK63629C - Lock with rack wrench. : da en
  • GB570025A - Improvements in or relating to resistance welding machines : en
  • FR900136A - Cylinder for air-cooled engines : en fr
  • USD141612S - Orphrey or similar article : en
  • FR900057A - Process for obtaining a new fabric by combining a warp and a weft previously woven and produced therefrom : en fr
  • FR900157A - Process for preparing a laxative product derived from the oil of the seeds of the spurge known as Euphorbia lathyris : en fr
  • US2378606A - Laundry holder : en
  • US2378386A - Method of making abrasive articles : en
  • FR900070A - Process for the treatment of waste water originating from the disintegration of the raw bleaching earth by means of hydrochloric acid : en fr
  • GB570040A - Improvements in or relating to treating or refining animal or vegetable oils : en
  • US2378705A - Ignition system and magneto therefor : en
  • FR900076A - Method for improving the contrast of radiographic images : en fr
  • FR900045A - Improvements in the concentration and drying of plant materials, in particular vegetables, fruits and their preparations : en fr
  • FR900171A - Motor vehicle engine overload protection device : en fr
  • US2378785A - Electric motor control system : en
  • US2378839A - Filter for inspirators : en
  • FR900202A - Device applicable to internal combustion engines : en fr
  • GB569977A - Improvements relating to road-building machines : en
  • US2378836A - Motor vehicle and jack lifting connection : en
  • GB570001A - Improvements in and relating to safety razors : en
  • USD141670S - Design for an airplane : en
  • US2378576A - Rubberlike materials from di-hydroxyalkyl sulphides : en
  • US2378780A - Knitted fabric : en
  • FR900088A - Delivery device, in particular for lubricating oil from internal combustion engines : en fr
  • USD141602S - Aviator s oxygen mask or similar article : en
  • FR900056A - Erasable studded wheel : en fr
  • GB570088A - Process for the manufacture of a material with rubber-like properties from drying oils : en
  • FR900150A - Machine for cutting material into slices, having a housing located below the cutting area : en fr
  • GB570029A - Improvements in machines for straightening tubes, rods or sections : en
  • US2378461A - Boot construction : en
  • USD141607S - Design for an obphrey or similar article : en
  • DK63623C - Pulsator. : da en
  • US2378633A - Dental flask : en
  • FR900124A - Anthraquinone dyes and their preparation process : en fr
  • FR900158A - Correct and fast drawing process for lottery and financial securities : en fr
  • FR900230A - Method and device for thawing the evaporator of a refrigerating machine, more especially of a continuously operating absorption machine : en fr
  • GB570005A - Improvements relating to coating surfaces with cellulose derivatives : en
  • DK63634C - Packing cover, especially for women's socks. : da en
  • FR900207A - Polycylindrical piston pump : en fr
  • US2378746A - Color television system : en
  • US2378734A - Catalytic conversion of hydrocarbons : en
  • US2378720A - Chuck : en
  • DK63631C - Winding machine with independently operating fixed winding points. : da en
  • AU1152643A - Means for producing synchronization and regeneration of electric telegraph signals : en
  • US2378727A - Electrode holder : en
  • CA428263A - Faucet body production : en fr
  • GB569983A - Improvements in and connected with couplings for electrical wiring systems : en
  • US2378512A - Single rail grinder : en
  • US2378863A - Mechanical computing device : en
  • US2378674A - Box toe materials and method of making the same : en
  • FR900049A - Dictionary-workbook : en fr
  • DK63635C - Sludge centrifuge. : da en
  • US2378650A - Manufacture of butadiene : en
  • US2378808A - Separation of hydrocarbons : en
  • FR900107A - Elastic stem for bicycle handlebars : en fr
  • FR900225A - Electrical converter with bridge-mounted contacts : en fr
  • US2378712A - Shock absorbing means for aircraft landing gear : en
  • US2378721A - Heel cover to protect bowling alleys : en
  • US2378481A - Method and device for shredding materials : en
  • US2378571A - Polycondensation products : en
  • USD141630S - Design fob a pencil : en
  • AU120037B2 - Improvements in circuit-breaking switches : en
  • US2378388A - Recording and reproducing device : en
  • US2378870A - Internal surface projector : en
  • US2378691A - Portable ground mortar : en
  • USD141603S - Design fob a valve : en
  • US2378421A - Domestic appliance : en
  • US2378822A - Draft reducing air distributor for : en
  • US2378835A - Motor vehicle and jack lifting connection : en
  • CA428208A - Saw table : en fr
  • US2378419A - Display rack : en
  • US2378549A - Automatic transmission : en
  • US2378519A - Processing of synthetic elastomers : en
  • USD141627S - Design for a tot building block : en
  • US2378704A - Six wheel motor vehicle : en
  • US2378802A - Controlling device : en
  • US2378428A - Siding cutter : en
  • GB570106A - An improved method of and means for repairing punctured metal or other surfaces which are accessible only on one side : en
  • US2378522A - Threshed straw bundler : en
  • US2378634A - Chainless drive for bicycles : en
  • USD141605S - Design for a picture frame : en
  • CA428255A - Ship launching means : en fr
  • GB570019A - Improvements relating to secondary electric batteries : en
  • US2378819A - Frequency modulation detector and converter : en
  • GB569998A - Improvements in aircraft : en
  • GB570122A - Improvements in power driven winches : en
  • US2378449A - Extraction of actinomycin a and manufacture of its diacetates : en
  • US2378807A - Electric circuit : en
  • US2378871A - Metalworking tool : en
  • GB570044A - Improvements in and relating to mechanism for recocking or recharging machine guns : en
  • US2378506A - Cleaner : en
  • US2378645A - Cooling element : en
  • US2378814A - Reinforced concrete post : en
  • US2378726A - Poppet valve-actuating mechanism : en
  • US2378838A - Burnishing tool : en
  • FR900010A - Device for measuring voltages and currents in a coaxial conductor : en fr
  • GB570018A - Improvements in rotary work indexing devices : en
  • AU2145745A - Improvement in substituted sulphapyrazines and their production : en
  • US2378587A - Converter attachment : en
  • CA428186A - Spray device : en fr
  • CA428288A - Apparel belt : en fr
  • US2378480A - Anode mold : en
  • US2378732A - Production of synthetic rubber : en
  • CA428294A - Coded track circuit : en fr
  • US2378391A - Sight : en
  • USD141600S - Abrams child s plate : en
  • US2378690A - Ink fountain : en
  • USD141654S - Design fob a bracelet : en
  • US2378551A - Process for producing condensation products : en
  • US2378473A - Apparatus for assembling type characters : en
  • US2378827A - Synthetic drying oils : en
  • US2378661A - Apparatus for rolling radiator core elements : en
  • US2378677A - Reflecting device : en
  • USD141658S - Perfume containing ornament or the like : en
  • CA428210A - Chain lock : en fr
  • US2378717A - Reuse of vulcanized scrap synthetic rubber : en
  • AU2147545A - Improved control mechanism for supercharged internal combustion engines : en
  • US2378737A - Apparatus for the purification of liquids : en
  • GB570091A - Improvements in flow testing apparatus : en
  • US2378675A - Process for halogenation : en
  • AU120039B2 - Line selection by discriminating signals : en
  • USD141661S - Design fob a coat : en
  • US2378563A - Protecting apparatus : en
  • US2378468A - Pressure regulator : en
  • AU120035B2 - Improvements relating to reciprocating pumps : en
  • US2378741A - Method of spot-welding : en
  • CA428254A - Electromagnetic coupling : en fr
  • US2378748A - Steam trap : en
  • US2378773A - Glove or mitten : en
  • US2378685A - Isomerization process : en
  • DK63626C - Container with Air Supply Means and Agitator for Treatment of Grain or Powdered Materials. : da en
  • US2378442A - Mineral oil composition : en
  • US2378466A - Diesel fuel and method of improving diesel fuel ignition : en
  • AU1728544A - Improvements in and relating tothe production and treatment of paper and paper forming material : en
  • US2378577A - Speed-varying gearing : en
  • US2378574A - Apparatus for manufacturing pile fabric, such as carpet : en
  • US2378623A - Sparkproof flooring : en
  • US2378494A - Stabilized polyamide : en
  • US2378794A - Terpene resins : en
  • US2378566A - Ship construction : en
  • US2378738A - Drill pipe protector : en
  • US2378799A - Water treating apparatus : en
  • US2378642A - Process of making fiber-body articles : en
  • AU1155943A - Improvements in moisture-arresting breathers for use withthe casings of enclosed transformers andother encased apparatus : en
  • CA428204A - Braking and clutching device : en fr
  • US2378716A - Method for killing plants : en
  • US2378538A - Railway car truck : en
  • CA428192A - Sick bed bag and pad : en fr
  • US2378856A - Sliding closure for aircraft : en
  • AU2147745A - Improvements in writing instruments : en
  • US2378464A - Method of treating a rollable material to produce sheets or bands having longitudinally decreasing or increasing thickness : en
  • US2378859A - Splitting-off of hydrogen halide from halogenated hydrocarbons : en
  • US2378772A - Electric water heater : en
  • CA428264A - Bearing : en fr
  • US2378850A - Form aligner : en
  • AU966643A - An improved gripping member or jaw : en
  • CA428239A - Shielded protector tube : en fr
  • CA428251A - Variable load brake : en fr
  • CA428203A - Snow excavator : en fr
  • AU970943A - Relief valve : en
  • FR900206A - Folding school desk and seat : en fr
  • FR900238A - Adjustable protector for lathe chucks or others : en fr
  • FR900029A - Special medical comb : en fr
  • US2378496A - Safety catch and method of making the same : en
  • GB570103A - Improvements in automatic firearms : en
  • US2378694A - Polymerization initiator : en
  • CA428277A - Lactone purification : en fr
  • AU120051B2 - Improved electrically-operated soldering iron : en
  • FR900019A - Process for preparing perfume products and products obtained by this process : en fr
  • US2378422A - Counting apparatus : en
  • US2378459A - Weeding tool : en
  • US2378683A - Receptacle and closure therefor : en
  • CA428198A - Weeding machine : en fr
  • FR900101A - Process for drawing tubes made of very hard and poorly ductile metals or alloys : en fr
  • GB570047A - Voltage regulating switch for storage batteries : en
  • US2378448A - Foldable vehicle tent and bed : en
  • CA428278A - Precious metal recovery : en fr
  • GB570089A - An improvement in or relating to portable fire extinguishers : en
  • US2378753A - Plasticized vinyl compounds : en
  • GB569974A - Improvements in or relating to dental prosthesis : en
  • FR900128A - Method and devices for centering the moving crew in the loudspeakers : en fr
  • US2378784A - Snap-action switch : en
  • FR900188A - Improvement to rotary machines applicable as multiple circulation pumps or as motors : en fr
  • CA428200A - Drainage method and apparatus for roads : en fr
  • CA428209A - Heating and heat transfer apparatus control system : en fr
  • CA428297A - Laminated board manufacture : en fr
  • FR900177A - Process for the color decoration of objects made of synthetic resins such as sheets and resulting products : en fr
  • US2378402A - Cabinet top : en
  • US2378844A - Hydraulic power transmission : en
  • FR900241A - Dial indicating device applicable in particular to radio-electric apparatus : en fr
  • GB570024A - Improvements in and relating to the machining of oil grooves in the bearings of crankshafts : en
  • FR900141A - Process for refining cellulosic materials : en fr
  • FR900121A - Process for increasing the yield of the siemens-martin process or similar processes : en fr
  • AU912043A - Improvements in metal shaping machines : en
  • CA428196A - Apparatus for developing paper photo copies : en fr
  • GB570063A - An improvement in or relating to electrical means for detecting the presence of metal bodies in textile fabrics : en
  • IE16974L - Laundry press : en
  • FR900068A - New condensate products : en fr
  • GB570008A - Improvements in electron tube frequency converters : en
  • FR900005A - Process and apparatus for autogenous welding of aluminum and light alloys : en fr
  • GB569988A - Improvements in or relating to mathematical instruments : en
  • FR900212A - Pocket lighter comprising a member for compressing by hand the spring pushing the pyrophoric stone : en fr
  • GB570064A - Improvements in or relating to electrical connectors : en
  • FR900018A - Improvements to electric resistance welding machines : en fr
  • GB569982A - Improvements in means for automatically controlling the operation of a reciprocatinghydraulic engine : en
  • FR900083A - Cathodic oscillograph for short waves, in particular for UHF : en fr
  • US2378510A - Indexing device for home recorders : en
  • US2378662A - Hydraulic brake : en
  • GB569976A - Improvements in sanitation devices for toilet seats : en
  • FR900161A - Ignition distributor for internal combustion engine ignition systems : en fr
  • US2378708A - Registering mechanism : en
  • US2378678A - Portable step for vehicle repair mechanics : en
  • GB570117A - Improvements in and relating to toy guns and rifles : en
  • US2378804A - Thermocouple : en
  • US2378837A - Safety lock : en
  • US2378728A - Isomerization of hydrocarbons : en
  • GB570066A - Improvements in and relating to liquid fuel burners of the low-pressure-air type : en
  • GB570027A - Improved process for the development and production of diazo-type prints : en
  • USD141666S - Design for a comb : en
  • DK63611C - Plant for Extraction of Peat Material from Moser. : da en
  • DK63632C - Installations for heat treatment of wet processed material, in particular cement sludge. : da en
  • GB570022A - A projection system for the inspection of internal surfaces : en
  • USD141608S - Design for an orphrey or similar article : en
  • FR900082A - Arrangement for telegraph apparatus with imprint and perforation of the text : en fr
  • GB570101A - Improvements in or relating to the manufacture of sugar : en
  • GB570043A - Improvements in means for reducing surface leakage in high-impedance alternating current generators : en
  • US2378787A - Eye mounting for dolls : en
  • FR900200A - Device receiving signals transmitted by pulse modulated carrier wave : en fr
  • FR900109A - Agglomeration of fuels using organic binders : en fr
  • US2378439A - Hydrocarbon synthesis : en
  • USD141643S - Design for a line guide fob a fishing rod : en
  • GB570041A - Improvements in the manufacture of lead alloys : en
  • US2378593A - Reinforced concrete pipe line construction : en
  • US2378595A - Automatic silk-titer regulating device : en
  • US2378733A - Catalytic conversion of hydrocarbons : en
  • US2378544A - Hand knitting needle : en
  • US2378524A - Refrigerator : en
  • US2378754A - Knife sharpener : en
  • US2378867A - Separable handle and band clamp : en
  • FR900009A - Improvements in cinematographic shooting processes : en fr
  • FR900061A - Clothes press : en fr
  • GB569993A - Improvements in cinematograph projection screens : en
  • GB570120A - Improvements relating to fire extinguishers : en
  • FR900142A - Machine for harvesting potatoes or other applications : en fr
  • GB569978A - Improvements relating to electric power systems : en
  • FR900001A - Improvements to articulated radial drills : en fr
  • FR900072A - Device for receiving signals transmitted by means of a carrier wave modulated by consecutive pulses of varying duration : en fr
  • FR900067A - Continuous indicator of the phase shift of two synchronously rotating shafts : en fr
  • US2378791A - Ignition coil : en
  • USD141632S - Design for a toy ship : en
  • FR900053A - Camera : en fr
  • FR900191A - Thin film combustion stove for all fuels : en fr
  • USD141621S - Design fob a bathtub : en
  • USD141629S - Design for a jewelry pin : en
  • GB570007A - Improvements in the production of water gas : en
  • GB570003A - Improvements in high pressure cylinder construction : en
  • FR900131A - Device for inserting and holding postcards with duplicates and carbons in a typewriter : en fr
  • FR900031A - Safety valves for pressurized storage water heaters : en fr
  • US2378713A - Method of forming bungs : en
  • US2378520A - Driving mechanism for returning the roller of typewriters : en
  • US2378762A - Treatment of lubricating oil : en
  • GB570112A - Hydraulic actuator for hydraulic control valves : en
  • US2378722A - Amusement device : en
  • FR900165A - Attenuator usable for measurements relating to electric waves and device provided with such an attenuator : en fr
  • US2378777A - Punching device : en
  • FR900170A - heat exchanger for moving liquids or gases : en fr
  • US2378490A - Antirattler device for windows and the like : en
  • US2378824A - Process for recovering selenium : en
  • USD141601S - Design fob a compact : en
  • USD141598S - Abrams child s plate : en
  • DK63615C - Temperature controlled Torque switch. : da en
  • FR900247A - Method and device for mounting partial stereoscopic views : en fr
  • US2378414A - Car truck : en
  • US2378384A - Tire valve : en
  • US2378460A - Vehicle hitch : en
  • CA428284A - Preformed glazing unit : en fr
  • US2378393A - Impacting machine : en
  • CA428270A - Slide fastener stringer : en fr
  • US2378793A - Stabilization of organo-metallic agents : en
  • US2378813A - Recovery of oil from contact clay : en
  • US2378769A - Eye-protecting glasses : en
  • US2378394A - Apparatus for converting hydrocarbon oils : en
  • CA428261A - Fluid flow control device : en fr
  • CA428224A - Control valve : en fr
  • US2378407A - Journal lubricator distributor : en
  • US2378403A - Cyclic process for producing alkalimetal ferrocyanides : en
  • US2378605A - Portable hoist : en
  • GB570114A - Floors : en
  • US2378599A - Material coating apparatus : en
  • US2378828A - Coin counting machine : en
  • AU120032B2 - Improvements in means for fixing pulleys andthe like to shafts : en
  • CA428195A - Transporting and dumping equipment : en fr
  • US2378679A - Rolling magnesium alloys : en
  • USD141635S - Design fob an ejector fork : en
  • US2378696A - Ring lapping machine : en
  • CA428240A - Circuit interrupter : en fr
  • US2378872A - Hair curler : en
  • US2378664A - Slicing machine : en
  • CA428273A - Disc harrow scraper mechanism : en fr
  • GB570039A - Improvements relating to railway signal systems : en
  • GB570059A - Improvements in and relating to current transformers : en
  • US2378788A - Balking ring clutch : en
  • US2378796A - Tray former for wrapping machines : en
  • CA428205A - Electric can opener : en fr
  • US2378701A - Manufacture of articles from liquid dispersions : en
  • AU906643A - Improvements in means for fixing pulleys andthe like to shafts : en
  • FR900250A - Churn with independent mechanical or manual control : en fr
  • GB570096A - Foundry plants : en
  • CA428247A - Vehicle brake and propulsion control : en fr
  • USD141624S - Spoon or other article of flatware : en
  • CA14119S - Chromatic elements for costume jewellry : en
  • DK63624C - Device for spring regulators for power machines. : da en
  • US2378425A - Ejector-condenser : en
  • US2378503A - Sewed double side seam bag : en
  • US2378775A - Screw driver : en
  • CA428194A - Gasket material : en fr
  • US2378433A - Photoelectric exposure meter : en
  • US2378465A - Nipper feed mechanism : en
  • US2378505A - Collapsible crate : en
  • USD141618S - Design fob a fishing reel : en
  • US2378443A - Mineral oil composition : en
  • US2378478A - Printing press gripper mechanism : en
  • FR900071A - Device for measuring large diameters on machined objects : en fr
  • US2378862A - Steam separator : en
  • US2378545A - Method of and apparatus for testing guns and correcting gun sights : en
  • USD141597S - Abrams child s plate : en
  • US2378513A - Alternating current rectifier of the selenium type : en
  • CA428253A - Variable speed motor drive : en fr
  • CA428216A - Glove : en fr
  • FR900155A - Process for the preparation of halogenated silver emulsion layers for single or multi-layer materials for color photography : en fr
  • FR900028A - Spray gun : en fr
  • FR900079A - Device for operating the free pistons of internal combustion machines : en fr
  • GB570070A - Improvements in and relating to the steering of vehicles having endless track belts : en
  • GB570084A - Improvements relating to structural materials : en
  • GB570079A - Improvements relating to distillation apparatus : en
  • GB570095A - Improvements in envelopes : en
  • CA428222A - Electric safety water light : en fr
  • GB570097A - Improvements relating to travelling message signs and control means for electricallyenergisable elements : en
  • FR900138A - Shoe sewing machine : en fr
  • AU2143145A - Improvements relating to dynamo-electric machines : en
  • AU120034B2 - Improvement relating to trouser-clips for cyclists : en
  • FR900221A - Electromagnetic relay : en fr
  • FR900229A - Improvements made to spherical or semi-spherical sheet metal containers : en fr
  • GB570123A - Improvements in or relating to buttons : en
  • FR900127A - Installation of bobbins in weaving shuttles especially for flat spools : en fr
  • GB569973A - Improvements in or relating to the preparation of condensation products from sulphite lye : en
  • US2378692A - Apparatus for refrigeration : en
  • GB570049A - Improvements in or relating to electrical resistances : en
  • GB570082A - Improvements in or relating to apparatus for conveying fragmentary material : en
  • US2378629A - Copolymers of maleic anhydride : en
  • GB570092A - Improvements in and relating to radio receivers : en
  • FR900034A - Process for improving the production of edible materials from horse chestnuts and similar fruits and products thereof : en fr
  • FR900063A - Pressed pinch foot for electron tubes : en fr
  • GR10375B - METHOD OF CONSTRUCTION BY MECHANICAL PRESSURE AND AIR TIRES FOR VEHICLES OF ALL KINDS. : el en
  • US2378810A - Vehicle construction : en
  • GB570104A - Stabilization of polyvinyl acetal : en
  • GB570042A - Improvements in or relating to the manufacture of lactonitrile : en
  • CA428212A - Diesel engine : en fr
  • GB570093A - Improvements in or relating to forming bulges or corrugations in metal tubes : en
  • CA428244A - Circuit breaker : en fr
  • GB570129A - Improvements in or connected with carding engine condensers : en
  • GB570012A - Improvements in vermin traps : en
  • US2378640A - Apparatus for crowning containers under vacuum : en
  • US2378488A - Lawn mower : en
  • GB570010A - Improvements in devices for drawing off samples of liquid from containers : en
  • GR10387B - MAGNETIC CLUTCH - VARIABLE SPEED REDUCER : el en
  • CA428220A - Tractor-trailer combination : en fr
  • US2378378A - Amylaceous adhesive composition : en
  • US2378432A - Pigment : en
  • FR900172A - Method and device for the production of Flemish tiles : en fr
  • GB570055A - Improvements in retainers or separators for electric accumulators : en
  • GR10379B - AUTOMATIC FILLING SYSTEM OF AIRCRAFT CARS AND OTHER VEHICLES IN MOVING. : el en
  • US2378626A - Projectile fuse : en
  • US2378725A - Fastener driving machine : en
  • US2378689A - Gas purification : en
  • DK63619C - Device by Gas Generators. : da en
  • GB570036A - Improvements in spring hooks : en
  • USD141649S - Mc swiggen bib or the like : en
  • USD141662S - Design fob a coat : en
  • FR900163A - Method for joining the ends of bands covered with a layer of wax on one side only, and endless bands obtained by this process : en fr
  • GB570011A - Device for use in drying safety razor blades : en
  • US2378591A - Door, window, and the like : en
  • US2378649A - Production of butadiene : en
  • US2378798A - Separating apparatus : en
  • US2378509A - Drive for home recorders : en
  • USD141609S - Design for an orphrey or similar article : en
  • US2378556A - Synchronous motor : en
  • US2378682A - Ventilating system for motionpicture projectors : en
  • USD141659S - Design fob a scarf : en
  • US2378514A - Switch : en
  • USD141613S - Orfhrey or similar article : en
  • CA428227A - Bonded sheet material forming apparatus : en fr
  • CA428258A - Textile fabric : en fr
  • FR900183A - Speed change for automatic lathe shaft : en fr
  • FR900075A - Discoidal anode for x-ray tubes : en fr
  • GB570131A - Improved press for embossing letters or other characters on paper : en
  • DK63627C - Procedure and silo system for the transport and silage of finely divided in the form of porridge transferred feed materials, in particular boiled potatoes. : da en
  • FR900246A - Close-up camera : en fr
  • USD141653S - Design for a bracelet : en
  • US2378848A - Process for the recovery of indium : en
  • US2378603A - Punching apparatus : en
  • US2378444A - Electrical control system : en
  • US2378476A - Coating apparatus : en
  • US2378561A - Commutator device : en
  • CA428217A - Perforating apparatus : en fr
  • CA428256A - Electrical conductor : en fr
  • FR900123A - Toothpaste : en fr
  • FR900151A - Double-walled cylindrical sheet metal indicator box or envelope, for dial balances : en fr
  • CA428280A - Signal translating apparatus : en fr
  • GB569984A - Method for treating aluminum or aluminum alloy scrap : en
  • FR900192A - Ranges with a kitchen utensil drawer : en fr
  • GB570020A - Improved reversing gear for electrically-driven rotary shafts and the like : en
  • GB569997A - Improvements in and relating to transfers for pottery and other goods : en
  • US2378630A - Polishing element : en
  • FR900024A - Advanced training in industrial milk analysis : en fr
  • FR900154A - Process for preparing fixing baths for color images after preliminary chromogenic development : en fr
  • FR900184A - Installation used to collect and remove by suction the end of the wire in the event of wire breakage in the spinning machines : en fr
  • US2378766A - Dynamometer test system : en
  • US2378560A - Selecting mechanism for calculating : en
  • US2378782A - Paraffin isomerization process : en
  • CA428229A - Ship stearing gear : en fr
  • FR900058A - All rayon fabric and how it is obtained : en fr
  • FR900003A - Equipment for selective emission of infinitesimal particles for transpulmonary applications or other medications : en fr
  • FR900173A - air cleaner for internal combustion engines with compressor, in particular for aircraft engines : en fr
  • FR900103A - System of concentric conductors obtained by drawing : en fr
  • US2378408A - Method and apparatus for logging boreholes : en
  • FR900140A - Process for the preparation of a high volume silica gel : en fr
  • GB570054A - Forming protective surface coatings on metals : en
  • AU129269B2 - Improvement in refrigerated storage means : en
  • US2378657A - Sweep sickle : en
  • US2378676A - Mechanism for producing mechanical movement : en
  • GB570107A - Improvements in heteropolar inductor alternators : en
  • GB569986A - Improvements relating to the protection of electric power systems : en
  • US2378774A - Cigarette case : en
  • US2378396A - Mirror prism for optical instruments : en
  • US2378526A - Well surveying instrument : en
  • AU120050B2 - Improvements in and relating to controlling means for screen glasses in welding helmets : en
  • US2378627A - Egg packing material : en
  • AU120053B2 - Improvements in distilling apparatus especially applicable for use in ships lifeboats : en
  • US2378594A - Stabilizing of nitrocellulose : en
  • US2378797A - Electronic tube circuits : en
  • AU1022543A - Improvements relating to amplifying arrangements : en
  • US2378653A - Remote control for selective automatic phonographs : en
  • AU129772B2 - Improvement in substituted sulphapyrazines and their production : en
  • US2378761A - Cleaning oxides from steel : en
  • US2378648A - Electric switch : en
  • US2378534A - Sewing machine : en
  • CA428265A - Sheet material testing apparatus : en fr
  • USD141633S - Flower holder or similar article : en
  • US2378584A - Prestressing reinforcing device for concrete : en
  • US2378820A - Lubricating oil : en
  • FR900222A - Soft welding for special steels and nickel : en fr
  • USD141604S - Design for a surgical mask : en
  • GB570124A - Improvements in or relating to plate or pot sleepers for railways : en
  • US2378638A - Adjustable rotary operative fastener stud : en
  • CA428262A - Washing method and apparatus : en fr
  • US2378832A - Primary aromatic amine aldehyde resins, methods of hardening the same, and products thereof : en
  • AU993643A - Method of ore dressing : en
  • US2378436A - Terpene derivatives : en
  • US2378826A - Woman's undergarment : en
  • US2378860A - Reinforced housing : en
  • CA428290A - Gun mounting lubricating means : en fr
  • US2378431A - Chaser holding means : en
  • FR900004A - Cabin for gas therapy : en fr
  • CA428275A - Aldehyde and lactone synthesis : en fr
  • US2378572A - Process for the production of a highly disperse pigment : en
  • US2378745A - Preparation of tetra-alpha-chloroanthraquinone : en
  • US2378812A - Leuco-monoacyl-1, 4-diaminoanthraquinone and process for preparing the same : en
  • US2378502A - Fruit and vegetable slicer : en
  • US2378875A - Cathode ray television tube : en
  • US2378885A - Empennage construction and mounting : en
  • CA428237A - Fuse flip-out device : en fr
  • FR900178A - Reinforced concrete construction system, its prefabricated elements and their method of obtaining : en fr
  • FR900228A - Improvements to double-walled underground tanks : en fr
  • US2378779A - Dyestuff intermediate products : en
  • SE114268C1 - : sv
  • US2378846A - Device for measuring peak currents : en
  • DK63621C - Mattress. : da en
  • FR900148A - Temperature dependent adjustment device, in particular for starter carburetor : en fr
  • GB570015A - An improved device for compensating tension in control cables : en
  • US2378823A - Light-restricting device : en
  • US2378570A - Grapple : en
  • GB570061A - Improvements in magazine talking machines : en
  • US2378492A - Vault or safe : en
  • FR900038A - Aero-engine : en fr
  • FR900231A - Heat recovery unit forming central heating boiler, applicable to large chimneys : en fr
  • GB570126A - An improved process for printing or reproducing drawings, manuscript, photographs, prints and the like : en
  • GB569989A - Improvements in abrasive articles : en
  • FR900052A - Device for the study of the vegetation of thermal waters and the cultivation on said waters : en fr
  • GB570013A - Improvements in or relating to conveyors : en
  • GB570121A - Improvements in or relating to trailers or like vehicles : en
  • US2378552A - Flotation process : en
  • FR900204A - Apparatus for reproducing sounds recorded on media in the form of endless tapes : en fr
  • US2378557A - Remote control for phonographs : en
  • US2378731A - Attachment for sewing machines : en
  • US2378438A - Method of making selenium elements : en
  • US2378508A - Eye guard : en
  • FR900190A - Soot removal device in heating devices : en fr
  • CA428267A - Typewriter : en fr
  • FR900050A - Process for manufacturing a chocolate and product obtained by this process : en fr
  • FR900179A - Bra : en fr
  • US2378500A - Combined door and window lock : en
  • US2378579A - Means for conveying material from one machine to another : en
  • US2378463A - Flexible screen support : en
  • US2378521A - Container : en
  • GR10386B - UNDERWATER LIFEGUARD. : el en
  • AU120052B2 - Improvement in electrostatic condenser : en
  • CA428300A - Attrition mill : en fr
  • US2378711A - Assembly track and assorter : en
  • US2378747A - Plastic bobby pin : en
  • CA428248A - Motor control system : en fr
  • GB570057A - Improvements in typewriter type-bar guides : en
  • US2378392A - Domestic appliance : en
  • US2378616A - Septic tank : en
  • US2378698A - Partial ethers of alkenyl substituted polyhydroxybenzenes : en
  • US2378723A - Casting method : en
  • CA428308A - Telephone system : en fr
  • US2378672A - Projection and viewing apparatus : en
  • CA428215A - Soap dish : en fr
  • GR10382B - GRILL TYPE ELECTRIC KITCHEN. : el en
  • FR900097A - Process for the preparation of an active silicic acid : en fr
  • FR900159A - Massage therapy device : en fr
  • US2378387A - Coking retort oven : en
  • FR900249A - Knife with sheath for spearfishing and other applications : en fr
  • CA428236A - Furnace control system : en fr
  • US2378530A - Catalytic hydrocarbon conversion process : en
  • US2378660A - Drinking tube holder : en
  • US2378724A - Textile finishing and composition therefor : en
  • GB570108A - Improvements in or relating to the manufacture of electrical components with mouldedplastic coatings : en
  • GB570127A - Improvements in or relating to gas-fires : en
  • AU129859B2 - Specification not printed : en
  • CA428233A - Circuit breaker : en fr
  • CA428246A - Circuit interrupter : en fr
  • US2378565A - Garment finishing apparatus : en
  • US2378742A - Apparatus for forming sheet metal articles : en
  • US2378458A - Galvanizing methods : en
  • US2378636A - Hydrogen fluoride alkylation process : en
  • US2378423A - Pinning machine : en
  • CA428293A - Circuit controller : en fr
  • CA428187A - Torpedo arrester or insulator : en fr
  • AU125148B2 - Improvements relating to dynamo-electric machines : en
  • FR900043A - Drawing die for polygonal bars : en fr
  • GB570071A - Improvements in the oxidation of ammonia to oxides of nitrogen : en
  • CA428296A - Moulded article manufacture : en fr
  • AU120049B2 - Method of ore dressing : en
  • CA428241A - Circuit interrupter : en fr
  • AU120045B2 - Improvements in or relating to electrical switch gear for use in mines andthe like : en
  • US2378610A - Lock nut and blank therefor : en
  • FR900084A - Lamp generator for short and ultrashort waves : en fr
  • FR900120A - Device to protect alternating current generators against accidental grounding : en fr
  • FR900147A - Method and device for the manufacture of ready-to-use concrete bars : en fr
  • GR10383B - INSECTICIDE. : el en
  • FR900213A - Pyrophoric pocket lighter : en fr
  • GB570132A - Improvements in or relating to gas fires : en
  • GR10381B - SUNFLOWER KNITTED PIECE FOND OWN FOR SUMMER SHOES. : el en
  • USD141614S - Religious medallion or similar article : en
  • FR900118A - Miniature in depth : en fr
  • FR900152A - Access path for lifting platforms : en fr
  • GB570060A - Improvements relating to the manufacture of machine knitting needles : en
  • GB570130A - Improvements relating to electrically insulated pipe couplings or the like : en
  • FR900115A - Process for manufacturing endless synthetic yarn having a loop (crimp) similar to that of wool : en fr
  • USD141610S - Design for an orphrey or similar article : en
  • USD141623S - Design for, a water pressure sprayer : en
  • DK63618C - Procedure for the manufacture of solid detergents for body care, in particular toilet soaps. : da en
  • FR900219A - Cathode ray tube for inscription in polar coordinates : en fr
  • US2378446A - Coated object and process for making the same : en
  • FR900012A - Arrangement of a vehicle for the transport of solid and liquid goods, in variable proportions at will : en fr
  • FR900015A - Mirror lighting system, in particular dressing table mirror : en fr
  • USD141625S - Child s plate : en
  • US2378842A - Method of making hub structures : en
  • US2378768A - Combination padlock : en
  • US2378479A - Sheet material : en
  • US2378765A - Voltage regulator : en
  • FR900085A - Zinc alloy for cable sheaths : en fr
  • FR900189A - Process for the manufacture of synthetic material objects from cellulose xanthogenates : en fr
  • US2378472A - Calculating machine : en
  • USD141642S - Design for a hair ornament : en
  • FR900080A - Constitution of a relatively flexible shoe with rigid elements and its assembly method : en fr
  • USD141599S - Design fob a child s plate : en
  • US2378665A - Suit cover and carrier : en
  • US2378553A - Car unloader nozzle : en
  • US2378825A - Otooou : en
  • FR900208A - Pocket lighter tank cap : en fr
  • US2378395A - Method and apparatus for telemetering flight test data : en
  • USD141606S - Design fob an obphbey ob similar article : en
  • US2378659A - Thread cutting attachment for lathes and the like : en
  • US2378604A - Radio altimeter and panoramic reception system : en
  • US2378783A - Process of producing cyanine dyes : en
  • US2378853A - Ignition switch : en
  • CA428207A - Disc harrow : en fr
  • FR900032A - Automatic safety device for gas lighting and heating : en fr
  • GB570072A - Catalysts for reforming : en
  • CA428281A - Rectifier protective arrangement : en fr
  • US2378730A - Sewing machine attachment : en
  • US2378739A - Stabilizer for polyvinyl chloride compositions : en
  • USD141615S - Religious medallion or similar article : en
  • US2378618A - Apparatus for perforating material : en
  • US2378710A - Thread protector : en
  • CA428252A - Compressor fluid drive : en fr
  • AU964343A - Improvements in circuit-breaking switches : en
  • US2378582A - Electrical switch : en
  • US2378635A - Seeding attachment : en
  • US2378607A - Means for handling powdered solids : en
  • US2378477A - Moldable fiber composition : en
  • AU120038B2 - An improved gripping member or jaw : en
  • US2378866A - Endless self-clamping band structure : en
  • CA428271A - Leveling device for aviation trainers : en fr
  • AU2145045A - Specification not printed : en
  • AU922943A - Improvement relating to trouser-clips for cyclists : en
  • US2378437A - Alloy steel : en
  • CA428298A - Card register : en fr
  • AU136148B2 - Improvements in writing instruments : en
  • CA428311A - Electric lighting equipment : en fr
  • US2378715A - Fireproofing compositions : en
  • US2378831A - Primary aromatic amine formaldehyde resins and compositions and methods of making the same : en
  • CA428292A - Light signal : en fr
  • CA428235A - Wire covering polishing apparatus : en fr
  • CA428214A - Flush electric outlet : en fr
  • CA428234A - Dynamo-electric machine coil support : en fr
  • US2378815A - Production of low temperatures : en
  • USD141648S - Design for a chair : en
  • US2378456A - Brush stitching machine : en
  • US2378471A - Back washer : en
  • US2378518A - Ventilator : en
  • US2378654A - Latch : en
  • USD141634S - Flower holder or similar article : en
  • USD141651S - Design for a cap form : en
  • FR900095A - Acoustic frequency signal receiver : en fr
  • CA428305A - Furnace for heat treating metal articles : en fr
  • FR900243A - Plant protection agent : en fr
  • US2378390A - Pump : en
  • CA428218A - Pulp beater and selector : en fr
  • CA428259A - Graphite article : en fr
  • US2378858A - Gyro-vertical : en
  • US2378865A - Jetty : en
  • US2378429A - Steam separator : en
  • US2378401A - Optical instrument and method of making same : en
  • US2378680A - Hand controlled hydraulic drive mechanism : en
  • CA428279A - Indexing device for home recorders : en fr
  • FR900139A - Method and apparatus for controlling mechanical operations, combined with sound recordings : en fr
  • US2378398A - Earcap : en
  • US2378462A - Threaded fastener : en
  • CA428201A - Safety tackle hook : en fr
  • US2378619A - Stabilization of resin compositions : en
  • CA428221A - Carton : en fr
  • US2378457A - Mechanism for closing the open tubular end of the wrapper of a package : en
  • CA428199A - Road drag : en fr
  • CA428301A - Fastening device : en fr
  • FR900168A - Lubrication and oiling holes for pins, hinges and hinges : en fr
  • CA428188A - Shoe innersole : en fr
  • CA428282A - Coated wire cloth : en fr
  • US2378852A - Adjustable table and like furniture : en
  • US2378409A - Hydraulic elevating mechanism : en
  • CA428191A - Beehive device : en fr
  • US2378469A - Oil well apparatus : en
  • US2378608A - Cup container for water bottles : en
  • USD141652S - Design fob a bracelet : en
  • FR900060A - Device for ensuring the seal between a rotating shaft and a fixed housing : en fr
  • USD141640S - Picture frame or similar article : en
  • US2378652A - Flexible chute : en
  • US2378847A - Agricultural vehicle : en
  • FR900048A - Lubrication device for vertical seats : en fr
  • FR900209A - Pocket lighter with device allowing instant replacement of the pyrophoric stone : en fr
  • CA428249A - Motor control system : en fr
  • FR900226A - Terminal plug for high frequency concentric conductor pipelines : en fr
  • GR10377B - BEVERAGES CONTAINING CARBON DIOXIDE FROM NATURAL FERMENTATION OF THE SUGAR USED, INCREASING AMOUNT OF SUGAR AND SUGAR. : el en
  • CA428260A - Coke and pitch article manufacture : en fr
  • FR900201A - Improvements in the construction of industrial refrigerants : en fr
  • GB570081A - Mechanical corn changer : en
  • GB570105A - An improved apparatus for the drying of air : en
  • FR900036A - Selective weeding process : en fr
  • US2378489A - Fluid motor : en
  • CA428309A - Hydrocarbon production : en fr
  • GB569994A - Improvements in and relating to the polishing of the flat faces of piston and other rings : en
  • US2378531A - Catalytic conversion of residual hydrocarbon oils : en
  • US2378537A - Railway car truck : en
  • US2378854A - Lock for wrenghes : en
  • US2378781A - Heating apparatus : en
  • GB570048A - Temporary holding device for conduit clips : en
  • GB569981A - An improved clutch or locking device : en
  • GB569996A - Improvements in or relating to electrode assemblies or anvils for electrical billet heating machines : en
  • US2378598A - Method of coating : en
  • US2378771A - Gas turbine nozzle : en
  • US2378861A - Outlet box extension : en
  • US2378849A - Device for determining the volume of gas or liquid in a receptacle : en
  • US2378639A - Method of and apparatus for crimping the marginal portion of sheet material : en
  • US2378840A - Training device comprising a dummy gun : en
  • DK63613C - Procedure for Concentration of Sulfuric Acid. : da en
  • US2378380A - Combination protective shield and accessories accommodation bib : en
  • US2378601A - Tracer control for machine tools : en
  • FR900059A - Speed variator : en fr
  • FR900234A - Process for manufacturing activated carbon base exchanger and temperature resistant : en fr
  • US2378830A - Expansion bit : en
  • GB569991A - Improvements in and relating to ventilators : en
  • AU2059045A - Improvement in refrigerated storage means : en
  • DK63614C - Process for the production of ditertiary diamines. : da en
  • US2378596A - Valve : en
  • US2378776A - Crude oil purifiers : en
  • US2378817A - Producing oil : en
  • FR900077A - Ion ray tube : en fr
  • GB570083A - Improvements in or relating to coin actuated variable value printing devices : en
  • US2378621A - Game : en
  • USD141641S - Convertible desk and wall telephone set : en
  • FR900214A - Instrument for checking the outer rings of transverse load bearings : en fr
  • US2378498A - Dial combination for radio apparatus : en
  • GB570051A - Improvements in and relating to engine starting systems : en
  • GB570056A - Improvements relating to the control of gas washers : en
  • US2378700A - Manufacture of articles from liquid dispersions : en
  • FR900066A - Catalyst for the oxidation of ammonia : en fr
  • GB569987A - Improvements in gas burners : en
  • US2378786A - Manufacture of a pigment paste from the water pulp color : en
  • FR900081A - Solid fuels, forming a hollow body, intended exclusively for the formation of fuel gas for generator installations : en fr
  • FR900104A - X-ray machine : en fr
  • GR10374B - PETROLEUM INJECTOR OIL-GASOLINE COOKING SYSTEM. : el en
  • US2378413A - Device for shaping metal sheets : en
  • US2378525A - Method of reconditioning drill pipe : en
  • US2378491A - Viscosimeter : en
  • FR900105A - X-ray machine : en fr
  • GB570038A - Improvements in aerial feeders : en
  • US2378418A - Fresh fruit treating machine : en
  • FR900224A - Method and device for the manufacture of ready-to-use concrete elements : en fr
  • US2378374A - Packer : en
  • USD141631S - Design fob a pencil : en
  • US2378800A - Protective system : en
  • FR900210A - Pocket lighter cover mechanism : en fr
  • FR900035A - Ventilated Insulated Telecommunications Cable : en fr
  • US2378567A - Building structure : en
  • US2378681A - Pulverizer : en
  • US2378702A - Manufacture of articles from liquid dispersions : en
  • US2378818A - Grease composition : en
  • US2378878A - Container and method of forming the same : en
  • US2378886A - Varnish resin and method of making same : en
  • USD141667S - Design for a hydraulic press : en
  • FR900040A - Wick holder for lighters : en fr
  • FR900240A - Processes for the preparation of aromatic sulfonic acid halides : en fr
  • US2378483A - Burner control : en
  • US2378628A - Dish drainer : en
  • GR10373B - DISTILLATION METHOD AND SEPARATION OF THE DISTILLATION EP coal PRODUCED LITHANTHRAKOPISSIS while CHRISIMOPOIISIN OF POST distilled APOMENOUSIS PISSORITINIS DIA bonding POWDER COAL The EXANTHRAKOMATOS TO briquettes. : el en
  • FR900167A - Axis or rod checking device : en fr
  • US2378511A - Shoe heel : en
  • US2378420A - Regulating the bulk density of coke-oven charges : en
  • FR900093A - Method and device for the manufacture of hollow parts : en fr
  • GR10380B - POWER PRODUCTION PUMP. : el en
  • US2378801A - Method and product of joining preformed plastic members : en
  • US2378528A - Supporting element for aircraft : en
  • US2378740A - Turbine : en
  • DK63633C - Ventilation device for box-shaped packaging for tobacco or similar articles. : da en
  • FR900239A - Dicarboxylic acids and their application to the sizing of papers and similar products : en fr
  • GB570050A - Improvements in and relating to a seat or the like cushion : en
  • FR900122A - Process for the preparation of stable solutions of manganese ascorbinate : en fr
  • CA428211A - Toe protecting device : en fr
  • GB570006A - Improvements in or relating to the manufacture of the combustion chambers of scotch boilers : en