• DE715750C - Pre-chamber diesel engine : de en
  • DE715818C - High-voltage switchgear with disconnectors resting on a common support frame : de en
  • DE715848C - Encapsulated switchgear and distribution system : de en
  • DE715871C - Device for thickening liquids for cooling air or water : de en
  • DK59379C - Method of Making Bituminous Compositions with Increased Adhesion. : da en
  • US2269128A - Lamp shade : en
  • US2268557A - Treatment of hydrocarbons : en
  • DE715746C - Process for preventing the defects caused by gas development in ceramic bodies : de en
  • DE715829C - Elastic sealing ring for stuffing box socket pipe connections : de en
  • DE715917C - Two-stroke injection internal combustion engine : de en
  • US2268847A - Temperature compensator for pressure actuated indicators : en
  • US2269365A - Dress shield : en
  • US2269336A - Low temperature coal tar derivative insecticide, fungicide, and the like, and process of making the same : en
  • US2269412A - Air separator : en
  • US2268690A - Coin bank : en
  • US2268885A - Shelf evaporator : en
  • CA402101A - Windshield wiper mechanism : en fr
  • FR868608A - Electromagnetically actuated leaf clutch applicable in particular to automotive transmissions : en fr
  • US2269070A - Horn control system : en
  • US2269321A - Twill weave fabric : en
  • FR868547A - lock nut : en fr
  • GB542367A - Improvements in or relating to a method of sampling gases and to multiple sampling valves : en
  • DE715962C - Trailer hitch with device for trailer pull : de en
  • GB542327A - Improvements in electro magnetic switching arrangements for the automatic application and selection of voltage supplied from a current source : en
  • DE715757C - Device for applying liquid substances : de en
  • CA402020A - Television system : en fr
  • GB542393A - Improvements in electric discharge apparatus : en
  • DE715654C - Multilayer photosensitive material for photographic reflective images : de en
  • DE715762C - Die setting and line casting machine with die rods and long-wedge spaces suspended from wires in a circuit, matrix rods and long-wedge spaces : de en
  • US2269202A - Vent lift : en
  • CA401922A - Sleigh runner attachment : en fr
  • CA402001A - Photographic objective : en fr
  • US2268976A - Door check : en
  • DE715956C - Reed instrument with keyboard, in particular bandonion : de en
  • FR868603A - Valve for hydraulic installation on aircraft, in particular for pressure accumulator brake installation : en fr
  • US2268551A - Ice cream reerigerator : en
  • US2269149A - Permanent magnet : en
  • US2268678A - Process for manufacturing patterned rubber sheets : en
  • US2268730A - Cooled tube support : en
  • US2269242A - Magnetic contact device : en
  • US2269266A - Gauge : en
  • US2268993A - Collapsible tube : en
  • CA402076A - Car roof hatch : en fr
  • US2268877A - Hose reel : en
  • CA402073A - Alarm signal system : en fr
  • DE715895C - Device for preventing fogging of the windshield of motor vehicles : de en
  • DE715826C - Device for controlling the preheating of liquefied propellant gases for internal combustion engines : de en
  • US2268936A - Azo dyestuffs and their manufacture : en
  • US2268699A - Fluid control valve : en
  • US2269378A - Adjustable hone : en
  • DE715925C - Method and device for brazing frame connections : de en
  • DE715905C - Bell suspension for rectifying columns : de en
  • GB542449A - Manufacture of trisazo dyestuffs and copper complex compounds thereof : en
  • DE715965C - Spar bolt screw connection for guns with expanding carriage : de en
  • FR868563A - Rib knitted fabric and method of making it : en fr
  • DE715964C - Lock for car doors : de en
  • CA402072A - Edible oil or fat processing : en fr
  • DE715702C - Whisker : de en
  • DE715814C - Process for the continuous pressing of fiber webs, in particular textile fibers : de en
  • US2268727A - Yarn separator : en
  • DE715919C - Cardan bearing of threaded spindles : de en
  • GB542377A - Improvements in or relating to apparatus for fixing closures onto bottles and like containers : en
  • US2269013A - Collapsible carrying container : en
  • US2269343A - Kit and the like : en
  • CA402097A - Fastener lock slider : en fr
  • GB542318A - Improvements in light sensitive apparatus : en
  • GB542445A - Improvements in or relating to machines for folding fabric and other flat limp articles : en
  • GB542353A - Improvements relating to the catalytic cracking of petroleum oils : en
  • CA402068A - Offset lithographing press : en fr
  • DE715811C - Process for the production of gunpowder from nitrocellulose : de en
  • US2269277A - Carburetor : en
  • US2269046A - Apparatus for screening sand and gravel mixtures : en
  • GB542360A - Improvements in indicator for showing the level of a liquid in a reservoir : en
  • US2269203A - Treatment of liquid sugar : en
  • CA401955A - Fruit and vegetable washer : en fr
  • US2269113A - Glove compartment and blank for forming same : en
  • US2268750A - Welt hook : en
  • CA402044A - Non-austenitic stainless steel : en fr
  • US2269105A - Carboxylic acid nitriles : en
  • US2268952A - Hair curler : en
  • US2268886A - Calculating device : en
  • DE715685C - Plasticizing process for butadiene polymers : de en
  • DE715722C - Electric mercury vapor tube or lamp with a phosphor layer and process for producing the phosphor layer : de en
  • DE715991C - High-speed cylinder press for producing embossing : de en
  • CA402046A - Reading machine : en fr
  • DE715987C - Device for treating textile goods, in particular hosiery, mounted on molds : de en
  • FR868566A - Scanning wave generator synchronization systems in television : en fr
  • US2268779A - Method for the recovery of metallic magnesium from mixtures of elemental magnesium and carbon monoxide, produced by the carboniferous reduction, at high temperatures, of magnesium oxide : en
  • DE715569C - Sliding platform for ambulances mounted on rollers and guided in rails to prevent lifting : de en
  • AT160750B - Secondary electron amplifiers. : de en
  • GB542389A - Improvements in or relating to electron discharge apparatus : en
  • US2269221A - Die stock : en
  • FR868558A - Improvements to lean gas purifiers : en fr
  • US2269211A - Outlet box support : en
  • US2269252A - Luggage tray : en
  • FR868545A - Mixed gas and steam generator : en fr
  • GB542321A - Improvements in the electro-dynamic transmission of power incorporating a flywheel effect : en
  • US2269125A - Method of making laminated fabrics : en
  • DE715782C - Device for edging with tape thickened seams : de en
  • GB542328A - Improvements relating to automatic charging arrangements of electric storage batteries : en
  • GB542432A - A method of enlarging and softening sponge rubber and the products obtained thereby : en
  • US2268621A - Gassing rubber by a combination of external and internal gases : en
  • US2268735A - Signaling system : en
  • GB542388A - Improvements in couplings for effecting quick engagement and release : en
  • GB542452A - Wave transmission networks : en
  • AT160757B - Process for the production of rollers with a raised patterned surface. : de en
  • US2268858A - Blind and curtain : en
  • US2269035A - Educational internal combustion engine : en
  • US2269069A - Electric motor : en
  • US2269257A - Refuse container : en
  • DE715810C - Process for the production of rust-proof paints : de en
  • FR868508A - Fire extinguisher, portable or sled, intended in particular for mining operations : en fr
  • CA402113A - Expansion joint : en fr
  • US2268731A - Lighting fixture : en
  • US2269071A - Horn control system : en
  • CA402070A - Drink mixer : en fr
  • US2269178A - Frankfurter cooker : en
  • US2269392A - Process and apparatus for making gas : en
  • US2268876A - Glue dispenser : en
  • US2268853A - Screen stretching and take-up device : en
  • GB542409A - Improvements in and relating to torsion springs : en
  • GB542423A - Improvements in and relating to roller window blinds : en
  • FR868631A - Tool holder for percussion device : en fr
  • GB542331A - Improvements in or relating to adhesive compositions : en
  • US2268754A - Derivatives of 4,4'-diaminodiphenyl sulphone : en
  • US2268937A - Ejecting means for cap forming machines : en
  • US2269229A - Insulation of electrical apparatus : en
  • US2269130A - Fuse : en
  • US2269383A - Level alarm switch : en
  • DE715739C - Switching device in connection with adjusting struts used to move aircraft components : de en
  • FR868509A - Device for the supply of extinguishing foam intended to extinguish fire in large tanks : en fr
  • US2268655A - Voltage controlled thermal timer : en
  • US2269110A - Concrete placement apparatus : en
  • US2269123A - Translucent insulating building block : en
  • US2269146A - Removal of filter dyes from color films : en
  • US2269157A - Automatic fluid fuel burner control : en
  • CA401936A - Helical propulsion boat : en fr
  • DE715863C - Device for locking aircraft rudders or flaps : de en
  • DK59377C - Machine for Purification of Animal Intestines. : da en
  • US2268711A - Apparatus for controlling heating systems : en
  • US2268550A - Switch and rheostat : en
  • GB542415A - Improvements in photographic cameras : en
  • FR868519A - Electrical oscillation amplifier assembly : en fr
  • DE715747C - Process for the production of organic sulfur compounds : de en
  • GB542359A - Improvements in and connected with structures, such as huts and the like : en
  • FR868538A - High rotational speed gas purifier for supercharging gasifier engines or similar devices : en fr
  • DE714419C - Four-stroke internal combustion engine with tubular slide control : de en
  • US2268649A - Manufacture of artificial filaments, yarns, foils, and similar materials, made of cellulose or cellulose derivatives : en
  • DE715836C - Device for multiple automatic spraying of workpieces : de en
  • US2268639A - Ultrahigh frequency radio device : en
  • US2268911A - Time delay reclosing fuse mechanism : en
  • US2269403A - Piezoelectric unit : en
  • FR868575A - New development in viscose manufacturing : en fr
  • FR868555A - Filter for gasifier : en fr
  • AU114415B2 - Evaporator for refrigerators : en
  • CA402009A - Coal feed timer : en fr
  • CA401950A - Shackle : en fr
  • US2269093A - Method and apparatus for handling skelp : en
  • DE715674C - Synchronization device for remote transmission of rotary movements : de en
  • FR868510A - Process for removing carbonic acid from gas mixtures containing it : en fr
  • DE715876C - Electric low-pressure fluorescent tube with discharge-heated glow electrode and process for manufacturing the electrode : de en
  • GB542332A - Improvements in cathode ray tubes : en
  • US2269058A - Electric razor : en
  • GB542341A - Improvements in or relating to auxiliary air inlet devices for internal combustion engines : en
  • US2268804A - Aircraft fuel pump : en
  • US2268585A - Ornamenting machine : en
  • FR868539A - Fuel for internal combustion engines : en fr
  • US2268931A - Audio amplifier analyzer : en
  • US2269080A - Roller skate : en
  • US2268845A - Sandwich container : en
  • FR868561A - Sophisticated plant for the production of gas for driving automotive engines and other applications : en fr
  • GB542457A - Improvements in freezing trays : en
  • DE715785C - Hydraulic drive for pivoting aircraft parts, e.g. B. retractable landing gears or control surfaces : de en
  • US2268888A - Manufacture of fused chemical pellets : en
  • US2268732A - Convertible footstool and table : en
  • AT160747B - Steam generator. : de en
  • AU122702B2 - Fuel Containers : en
  • AU114469B2 - Improvements in or relating to bandpass filters : en
  • US2269337A - Thermoelectric generator and burner therefor : en
  • DE715682C - Device for hurling or throwing viscous, earth-moist or dry material, especially concrete or the like. : de en
  • US2269026A - Storage vessel for the radioactive treatment of creams and the like products : en
  • US2269038A - Temperature-indicating instrumentality : en
  • US2268846A - Air conditioning apparatus : en
  • US2268939A - Electric contact : en
  • US2269204A - Speed regulator : en
  • CA402112A - Capillary active organic derivative : en fr
  • DE715637C - Hand turning device for re-turning of brake linings applied to brake shoes : de en
  • FR868511A - Connection for auxiliary equipment in high voltage installations : en fr
  • GB542291A - Improvements in or relating to the manufacture of luminescent materials : en
  • US2269372A - Push-out fuse : en
  • DK59362C - Procedure and Installations for the Production of Ammonium Nitrate. : da en
  • AT160749B - Adjustment device for piston pumps, in particular for injection pumps of internal combustion engines. : de en
  • GB542437A - Improvements in and connected with air screws : en
  • GB542413A - Treatment of textile materials : en
  • FR868582A - Distributor for compressed fluid brakes, especially for single chamber trailer brakes : en fr
  • CA402032A - Absorption oscillator : en fr
  • GB542317A - Preparations comprising aluminium hydroxide : en
  • GR9742B - DETAILABLE BANK, STool SEAT. : el en
  • US2269002A - Illusionary display device : en
  • US2269008A - Cigar lighter : en
  • US2269023A - Tractor hitch : en
  • US2268598A - Lifting and/or holding device : en
  • DE715686C - Process for the production of heavily weighted films from polyisoolefins : de en
  • DE715856C - Spark plug : de en
  • DE715795C - System consisting of several electrolytic decomposers connected in parallel : de en
  • FR868610A - Control device for compressed fluid brakes : en fr
  • GB542381A - Process for treating nuts to soften the shells : en
  • DE715963C - Rollable outer skin for collapsible boats : de en
  • GB542450A - Improvements in and in the manufacture of tubular metal lengths : en
  • GB542349A - Improvements in knitted asbestos fabrics : en
  • CA402122A - Cellulose derivative : en fr
  • FR868588A - Ribbon body and manufacturing process : en fr
  • CA402006A - Tension control for rolling mills : en fr
  • DK59368C - Procedure for Inserting Electric Heating Wire into Grooved Heaters. : da en
  • US2268547A - Reel holder : en
  • US2269088A - Hosiery : en
  • DE715802C - Process for obtaining effective and durable purified extracts from anterior pituitary gland : de en
  • CA402007A - Lighting device : en fr
  • CA402103A - Yarn package holder : en fr
  • DE720224C - Process for the production of water-soluble alkali salts of halogenated organometallic chlorophyll offshoots : de en
  • US2268658A - Quill with small caliber tubing inserted therein : en
  • USD131024S - Conduit receptacle or similar article : en
  • DE715989C - Process for the preparation of dicarboxylic acid amides : de en
  • US2268920A - Holder for fishing tackle : en
  • US2269289A - Nonblinding vibrating screen : en
  • GR9741B - ONLY - GASING. : el en
  • US2269143A - Communication system : en
  • US2269032A - Apparatus for coating and wrapping pipe : en
  • US2268797A - Fruit branding machine : en
  • DE715695C - Film length registration device for cinema cameras : de en
  • DE715731C - Device for holding cranes or the like. : de en
  • US2268820A - Machine for cutting articles : en
  • GB542314A - Improvements in or relating to hydraulic fluids : en
  • FR868512A - Regulator galvanometer : en fr
  • FR868513A - Device for indirect automatic adjustment of variables such as temperature, pressure, humidity : en fr
  • DE715667C - Quick release release for steam or gas turbines : de en
  • DE715918C - Elastic storage : de en
  • FR868649A - Self-radiating telescopic mast : en fr
  • US2268623A - Cotton-picking machine : en
  • US2268777A - Surgical pad : en
  • US2269147A - Di (aryl amino) alkacyl amide : en
  • US2269401A - Lens mount for photographic cameras : en
  • US2268875A - Resonance chamber for pianos : en
  • US2268929A - Compressor or the like : en
  • DE715889C - Interrupter for ignition devices of internal combustion engines : de en
  • CA401976A - Stainless steel passivation : en fr
  • US2269385A - Load equalizing device : en
  • US2268967A - Footwear : en
  • DE715690C - Device for damping the vibrations of rotating waves : de en
  • DE715793C - Process for making baked goods from yeast dough : de en
  • FR868504A - Self-induction coil, especially for short waves : en fr
  • FR868514A - Indirect acting conditioning regulator : en fr
  • US2268628A - Machine for bending metal gutter hangers : en
  • US2269168A - Apparatus for manufacturing screw sticks : en
  • US2268683A - Rattle : en
  • US2269347A - Shellac-cashew nut shell liquid material reaction product : en
  • GB542440A - Improvements relating to metal wool : en
  • US2269328A - Hydraulic hold-down : en
  • DE715693C - Process for the production of pulp from wood : de en
  • DE715960C - Photographic camera with interchangeable lenses and range finder : de en
  • US2268892A - Automobile door lock : en
  • CA402127A - Glass plate hardening oven : en fr
  • DE715698C - Turntable steering for four-axle road or rail vehicles with single bogies : de en
  • DE715708C - Short-time switching device using controlled power converters : de en
  • IE17405L - Electro-pneumatic control apparatus : en
  • DE715852C - DC biased choke coil : de en
  • FR868527A - Device for checking the tightness of riveted or welded seams made inaccessible by a coating : en fr
  • US2268682A - Well surveying instrument : en
  • US2269359A - Dry shaver : en
  • US2269068A - Travel indicator for ships : en
  • US2269126A - Frequency modulation monitoring : en
  • US2269121A - Shedding mechanism : en
  • AU114482B2 - Improvements in or relating to fluxes for use inthe treatment of light metal : en
  • CA401974A - Built-up crankshaft : en fr
  • FR868568A - composite construction elements, working in bending for airplanes, etc., in particular side members or beams : en fr
  • AU114414B2 - Improvements relating to electrolytic condensers : en
  • AT160765B - Apparatus for practice shooting from all kinds of steep line guns, such as mine throwers, grenade throwers or the like. : de en
  • CA402080A - Printing telegraph apparatus : en fr
  • US2269285A - Strap joint : en
  • US2268634A - File holder : en
  • US2268665A - Method and arrangement for transferring telephone conversations to other electrical devices : en
  • IE16223L - Mixed carbonate salts; stomach powder base : en
  • US2269341A - Message transmission device : en
  • DE715672C - Locking of the free bridge ends in double-wing moveable bridges : de en
  • GB542451A - Improvements in electric valve control circuits : en
  • CA402049A - Workman's time recorder : en fr
  • US2268570A - Material loading apparatus : en
  • DE715697C - Shelter ventilator : de en
  • US2268979A - Exhaust gas heater : en
  • US2268838A - Process for making wheels : en
  • DE675455C - Cigarette tamping device : de en
  • US2268659A - Splicing tool : en
  • US2268919A - Polyazo dyestuffs and process of making same : en
  • GB542322A - Improvements in combined lamp and radio receiving sets : en
  • US2269124A - Catheter holder : en
  • US2269138A - Antifreeze composition : en
  • US2269319A - Cabinet : en
  • US2268772A - Method of making ring travelers : en
  • US2269286A - Stay for use in forming freight carloads : en
  • US2268589A - Method of producing vitreous silica articles : en
  • US2268996A - Clothesline reel : en
  • US2268908A - Spectacles : en
  • USD131022S - Design for a line blind : en
  • DE715950C - Leaching container for tea and other aromatic stimulants : de en
  • FR868540A - Acetylene generator, more especially for vehicles : en fr
  • FR868583A - Mechanically controlled portable percussion instrument : en fr
  • US2268791A - Color correction : en
  • US2269033A - Cushioning device : en
  • US2269238A - Railway traffic controlling apparatus : en
  • DE715982C - Process for the production of a seam for connecting fabric parts with edging and a seam according to the process : de en
  • GB542424A - Improvements in secret telephony and the like by radio : en
  • GB542433A - Improvements in or relating to the sealing of electrical conductors into envelopes of quartz or the like : en
  • DE715771C - Method for opening knitted hosiery with high heel and sole parts connected by removable dividing rows onto two parallel rows of opening needles : de en
  • FR868619A - Regulating device for internal combustion engines with injection : en fr
  • DE715959C - Cassette for X-ray sensitive material : de en
  • DE715899C - Handgun with superimposed barrels and vertical block lock : de en
  • FR868533A - Electromagnetically or acoustically controlled downhole mine : en fr
  • DE715951C - Hot water heating system : de en
  • US2268627A - Well logging : en
  • US2268645A - Phonograph : en
  • DE715907C - Process for graining superphosphate : de en
  • DE715983C - Wall bushing for electrical lines on the fire bulkhead of aircraft : de en
  • DE715923C - Arrangement of cartridge cases or empty belt containers in combat posts of aircraft : de en
  • FR868570A - Motor by pumps : en fr
  • DE715823C - Spiral sprue, especially for permanent molds : de en
  • DE715644C - Evaporator with hollow plate-shaped heating elements : de en
  • DE715675C - Arrangement to increase the stability of the cooperation of synchronous machines connected to one another via high-voltage transmission lines : de en
  • US2268801A - Portable fan : en
  • FR868528A - Measuring table for coins, tokens, etc. : en fr
  • US2268542A - Conveyer chain : en
  • US2269417A - Cathode-driven oscillator : en
  • US2269340A - Burglar alarm : en
  • US2269003A - Pneumatic tire tube : en
  • US2269076A - Spark plug : en
  • US2269360A - Method for testing the machinability of free-cutting steel : en
  • US2268817A - Flatiron : en
  • US2269236A - Method and device for controlling the heat supply in cellulose driers : en
  • AU441540A - Improvements in microphones : en
  • CA401945A - Unitary dental apparatus : en fr
  • CA401958A - Calculating and accounting machine : en fr
  • CA402057A - Diverter valve : en fr
  • CA402030A - Washing machine gyrator : en fr
  • CA402074A - Magnetic compass : en fr
  • US2268734A - Method and means for packaging beverages : en
  • US2269120A - Undergarment : en
  • USD131031S - Idesign for a clock ob similar article : en
  • US2268626A - Pinking shears : en
  • US2269332A - Synchronizing airplane engines : en
  • US2269404A - Eddy reducing valve : en
  • US2268884A - Vapor lock eliminator : en
  • US2269152A - Foil gauge : en
  • US2268725A - Valve : en
  • US2269333A - Fuel burner : en
  • US2268738A - Strap buckle : en
  • CA401989A - Transformer coil winding device : en fr
  • GB542431A - Improvements in hollow spindle chucks : en
  • USD131005S - Design for a glove or similar article : en
  • US2269288A - Knitting machine : en
  • US2269309A - Multiple airscrew drive : en
  • US2269335A - Telephone system : en
  • US2269269A - Well logging : en
  • US2269377A - Composition of unvulcanized crepe rubber : en
  • FR868622A - spark plug middle electrode : en fr
  • DE715794C - Process for the preparation of a dough leavening agent : de en
  • US2268552A - Rotor operating mechanism : en
  • US2268826A - Vent valve control for triple valves : en
  • US2268673A - Method of coating fragile metal foils : en
  • US2268764A - Hydraulic control : en
  • DE715668C - List cutting device for the continuous paper web in type printing apparatus : de en
  • DE715908C - Process for the desulfurization of iron or iron alloys : de en
  • CA402117A - Drying oil : en fr
  • FR868592A - Acetylene producer for use in internal combustion engines : en fr
  • US2269057A - Spraying device : en
  • DE715796C - Endless television interlude : de en
  • US2268774A - Bicycle lamp support : en
  • US2268870A - Ornamental lighting system : en
  • US2268899A - Time delay reclosing fuse mechanism : en
  • US2269094A - Method of and apparatus for making lead oxide powder : en
  • DE715865C - Device for making loose heels with boot irons : de en
  • CA401938A - Metal cleansing and sterilizing solution : en fr
  • FR868600A - Toy track with doubling vehicles : en fr
  • USD131040S - Design for an ophthalmic mounting : en
  • GB542335A - Improvements in or relating to shock-absorbing devices : en
  • US2269399A - Disubstituted cyanamides : en
  • FR868572A - Demountable hut in pressed sheet metal : en fr
  • US2268755A - Ligature tier : en
  • US2269291A - Chuck for fractional horsepower electric motors : en
  • US2269018A - Glazed building block : en
  • US2269025A - Dry distillation of shale and other slate-shaped materials : en
  • US2268963A - Decoy stabilizer and anchor : en
  • US2269209A - Double-walled compartment for high altitude aircraft : en
  • USD131042S - Baffle board panel for radios or the like : en
  • US2268881A - Automobile luggage carrier : en
  • GB542386A - Process for the production of fast pigment prints with protein products on fabric material : en
  • US2269256A - Gun game : en
  • DE715677C - Process for removing hydrogen cyanide from gases containing hydrogen sulfide with simultaneous recovery of ammonium sulfate : de en
  • GB542442A - Improvements in electrical measuring systems : en
  • IE16244L - Band-spread tuning : en
  • DE715634C - Process for the production of high molecular weight products : de en
  • IT391284B - : it
  • US2268697A - Fuel tank : en
  • US2269180A - Thermostatic controlled furnace damper : en
  • US2268581A - Poultry plucking machine : en
  • GB542448A - Improvements in or relating to heaters for air for furnaces and the like : en
  • US2268644A - Shoelace lock device : en
  • US2269191A - Control switch : en
  • US2269210A - Hay knife : en
  • USD130994S - Design fob a doll : en
  • DE715896C - Locking device for ship hatch cover : de en
  • DE715985C - Electrical system for motor vehicles : de en
  • US2268909A - Coupling : en
  • US2268558A - Furnace construction : en
  • US2269353A - Surgical truss structure : en
  • US2269393A - Procedure and apparatus for controlling the treatment of flowing material : en
  • US2269407A - Addition agent and its use in the treatment of iron and steel : en
  • AU440840A - Improvements in or relating to fluxes for use inthe treatment of light metal : en
  • CA402079A - Induction apparatus : en fr
  • US2269300A - Radio receiver : en
  • US2268787A - Sheet metal perforating apparatus : en
  • US2269075A - Directive antenna system : en
  • US2269132A - Clamping sleeve : en
  • US2268977A - Door check : en
  • US2269073A - Electron tube : en
  • CA402043A - Lead addition to steel : en fr
  • DE715988C - Process for heating mixtures of coals, which are then to be hydrogenated under pressure, with oils, tars or coal extracts : de en
  • GB542400A - Improvements in the treatment of textile materials : en
  • US2268686A - Plastic liquefier : en
  • US2268942A - Door check : en
  • CA401941A - Dental engine : en fr
  • US2268806A - By-pass valve for aircraft fuel pumps : en
  • US2268955A - Bacterial product and bacteria strain and process of producing the same : en
  • US2269303A - Soap rack : en
  • US2268744A - Truck : en
  • USD131014S - Design fob a bracelet : en
  • US2268590A - Treating textile material to remove gum, etc., therefrom : en
  • USD131044S - Combination battery charger and tester casing : en
  • CA402105A - Storm sash : en fr
  • CA401933A - Patch making tool : en fr
  • GB542401A - Improvements in methods and means for burnishing spherical seats : en
  • US2269253A - Piece-end stitching machine : en
  • US2268640A - Rotary beam antenna : en
  • CA402061A - Oscillation generator : en fr
  • CA402055A - Liquid refrigerating apparatus : en fr
  • US2268810A - Asphalt composition : en
  • US2269201A - Transparent container and method of making same : en
  • CA402053A - Damming device : en fr
  • US2269402A - Method of purifying ethyl lactate : en
  • AT160766B - Projectile replica. : de en
  • US2268701A - Pumping equipment : en
  • US2268632A - Method of plotting great circle courses and apparatus : en
  • US2268729A - Box toe and method of making the same : en
  • US2269259A - Mixing device : en
  • US2269284A - Signal translating apparatus : en
  • CA402060A - Optical image reproducer : en fr
  • US2268616A - Article of apparel : en
  • US2269161A - morse : en
  • US2269263A - Phonographic apparatus : en
  • US2268861A - Process and apparatus for preheating : en
  • US2269117A - Ticket collecting apparatus : en
  • FR868573A - Improved process for manufacturing rubber-like products from elastogenic substances : en fr
  • US2269104A - Internal combustion engine : en
  • USD131026S - Conduit receptacle or similar article : en
  • DE715699C - Eraser holder with a strand of eraser : de en
  • AU123841A - Evaporator for refrigerators : en
  • FR868601A - Adjusting device for charging a pressurized liquid accumulator for aircraft hydraulic systems : en fr
  • FR868562A - photographic products : en fr
  • US2268878A - Flashlight : en
  • GB542420A - Improvements in electrical switchgear equipments having isolating arrangements : en
  • DE715718C - Process for the preparation of sulfonic acids from ª ‰ -Ketosaeurearyliden : de en
  • DE715730C - Brewing device for coffee with removable filter sieve container : de en
  • FR868569A - Passive defense lighting method and its use in the discovery and pursuit of enemy objectives : en fr
  • GB542329A - Twin lens camera with photoelectric exposure meter : en
  • CA402058A - Foldable cot : en fr
  • GB542320A - Die mechanisms and method for securing bushings in sheet metal : en
  • US2269101A - Heat transfer system : en
  • FR868613A - Control device for pressurized fluid brakes : en fr
  • USD131018S - Design for a building siding panel : en
  • DE715711C - Booking machine, in particular balancing machine : de en
  • US2268800A - Automobile parking apparatus : en
  • CA402021A - Electric wave filter : en fr
  • DE715888C - Device for increasing the gasification of liquid fuel in internal combustion engines : de en
  • DE715744C - Thread measuring device for spinning, twisting and similar machines with moving thread guides : de en
  • US2268997A - Railway truck : en
  • US2269195A - Electric heater : en
  • DE715949C - Extraction container for leather degreasing : de en
  • DE715687C - Process for the polymerization of halo-2-butadiene-1,3 : de en
  • DE715734C - Device for slot-controlled two-stroke internal combustion engines to link the flushing flow to the wall : de en
  • US2268807A - Aircraft fuel pump : en
  • US2268832A - Process for softening artificial cellulosic materials : en
  • US2269375A - Telephone system : en
  • CA401982A - Electromagnetic controller : en fr
  • US2269043A - Counter : en
  • USD131008S - Carrying case for a stove or similar article : en
  • US2269386A - Traffic control time indicator : en
  • US2268657A - Duplicating machine : en
  • DE715679C - Ampoule and its use syringe : de en
  • DE715664C - Process for the preparation of diacetyl : de en
  • FR868532A - Method of electro-magnetic tracking of aircraft; realizations and applications of said method : en fr
  • US2268857A - Oil burning heater : en
  • US2268934A - Article holder : en
  • US2269316A - Ammunition for small arms : en
  • AU50841A - Improved dust-collecting electrode for use inthe precipitation of dust : en
  • US2268768A - Food receptacle for children : en
  • US2268951A - Artificial hand : en
  • DE715887C - Lubricating oil filter, especially for lubricating oil from internal combustion engines that is saturated with dust : de en
  • US2268726A - Floc concentration tank : en
  • DE715758C - Process for the production of coarse-grain ammonium sulphate : de en
  • US2268786A - Process for refining fatty compounds : en
  • DE715911C - Rail contact device with contact-making liquid column for railway safety devices : de en
  • US2268860A - Limestone pulverizer : en
  • US2269262A - Brake : en
  • US2269247A - Reinforced shipping box : en
  • DE715770C - Method for working the heel parts on a stocking that is worked in one piece with the exclusion of these heel parts on the flat weft knitting machine : de en
  • US2268796A - Sectional derrick : en
  • US2269271A - Luggage manufacture : en
  • CA402034A - Radiofrequency multiplier amplifier : en fr
  • US2268591A - Gasifying burner : en
  • US2268798A - Pyrrole methine and tri-methine cyanine backing dyes : en
  • US2268944A - Threading mechanism : en
  • FR868627A - Method of axial fixing of round parts by means of a clamp : en fr
  • CA402051A - Light coloured fibre production : en fr
  • CA401929A - Trimming saw shadow line indicator : en fr
  • DE715910C - Mercury rail contact : de en
  • GB542447A - Improvements in and relating to presses for clothing, fabrics and the like : en
  • US2268914A - Theater seat hinge : en
  • US2268587A - Distance determining system : en
  • US2269165A - Lighting fixture : en
  • US2268889A - Railway truck : en
  • CA402039A - Violin bow : en fr
  • CA401975A - Electric switch control : en fr
  • CA401923A - Glove : en fr
  • US2269142A - Communication system : en
  • US2269051A - Soil and moisture conserving disk or blade : en
  • AT160752B - Method for the preparation of pregnen- (4) -dione- (3.20). : de en
  • US2269190A - Washing machine : en
  • DE715978C - Switching valve for pressure gas switch : de en
  • GB542438A - Apparatus for handling flowing molten glass : en
  • DE715721C - Dimming device : de en
  • US2269254A - Machine for manufacturing egg pulp : en
  • AU114444B2 - Improved dust-collecting electrode for use inthe precipitation of dust : en
  • AU430540A - Improvements in water purification apparatus : en
  • CA401966A - Photographic bath : en fr
  • US2269097A - Transfer pump : en
  • AT160741B - Monitoring circuit to prevent false signals from being displayed in overhead warning systems. : de en
  • DE715138C - Dust collector : de en
  • DE715673C - Connection piece for electrical power lines : de en
  • GB542436A - Improvements in arrangements for controlling the transfer of signals, particularly applicable to television : en
  • CA402087A - Reaction temperature controlling process : en fr
  • US2269219A - Method of making soldered electrical connections : en
  • DE715858C - Hammer crusher with feed grate and discharge grate : de en
  • DE715773C - Device for cutting pies, cakes, etc. like : de en
  • DE715819C - Backfire protection for power converters, especially mercury vapor rectifiers : de en
  • CA402048A - Perforated record interpreting and printing machine : en fr
  • AU180641A - Improvements in or connected with pig-rings or the like : en
  • US2268664A - All-wave antenna system : en
  • US2268756A - Electric controlling apparatus : en
  • US2268841A - Saw : en
  • DE715704C - Process for the evaporation of sugar juices : de en
  • US2268782A - High frequency iron core : en
  • US2269326A - Snowplow : en
  • US2268651A - Adhesive lacquer : en
  • US2268930A - Mortising gauge : en
  • USRE21996E - Dowel means fob roadway joints : en
  • US2268629A - Hair clasp : en
  • US2268688A - Sanitary cube sugar dispenser : en
  • USD131030S - Combined handles, escutcheons, and corner plates for a casket or similar article : en
  • US2269179A - Feed cleaner for grain grader sample dividers : en
  • US2269278A - Changeable name strip directory : en
  • USD131045S - Design for a container mounting bracket : en
  • CA401921A - Course indicating apparatus for vehicles : en fr
  • CA402093A - Dental equipment stand : en fr
  • CA401924A - Metal casting forming process : en fr
  • US2268962A - Trolley frog : en
  • US2268580A - Ax handle protector : en
  • US2268604A - Arc starting electrode : en
  • US2269344A - Self-adjusting cultivating attachment for tractors : en
  • US2268560A - Vapor generator : en
  • US2269005A - Holder for markers or razor blades : en
  • CA401932A - Overhead sliding door : en fr
  • US2269087A - Plant marker : en
  • US2269274A - Method of purifying z-aminopykimi : en
  • US2268924A - Time stamp : en
  • US2269355A - Manufacturing of zinc oxide : en
  • FR868605A - Shoe adjustment device for double-shoe brake, in particular for servo-brake : en fr
  • DE715676C - Device for removing dust, in particular fly ash : de en
  • GB542429A - Improvements in or relating to internal combustion engines : en
  • DE715681C - Crank attachment for house and kitchen machines : de en
  • US2268595A - Printing ink : en
  • CA401994A - Film handling apparatus : en fr
  • US2269083A - Tire inflation indicator : en
  • US2268863A - Disk abrading machine : en
  • US2269218A - Nu-aryl morpholone compound : en
  • US2269354A - Toilet appliance : en
  • US2268707A - Branding chute : en
  • US2269059A - Method of preparing finely comminuted oxides : en
  • GB542428A - Improvements relating to die and plunger mechanism for pie and the like shell forming machine : en
  • US2268808A - Recording device : en
  • US2268896A - Automatic conveyer mechanism : en
  • USD131046S - Automobile or similar article : en
  • US2268812A - Program distribution system : en
  • US2268668A - Container and method of making the same : en
  • US2268805A - Aircraft fuel pump : en
  • US2269261A - Brake : en
  • DE715765C - Electrical installation switch with push button : de en
  • DK59369C - Method of Preparing an Insulin Compound with Protective Effect. : da en
  • FR868559A - High power cartridge : en fr
  • CA402090A - Thin wall tube for heat exchangers : en fr
  • FR868548A - Nozzle for gasifiers : en fr
  • DE715665C - Process for the preparation of oxysulfones : de en
  • DE715904C - Wedge, especially for tool handles : de en
  • DE715754C - Holding device for rock drills with compressed air feed cylinder fixed in a pilot hole : de en
  • US2268612A - Follow-up device : en
  • US2269249A - Controlled feedback circuit : en
  • DE715317C - Flanged roller with interchangeable rollers : de en
  • DE715897C - Synchronization control device, especially for multi-screw marine power plants : de en
  • US2269268A - Brake : en
  • FR868586A - Device for hydraulically varying the moment of injection in internal combustion engines with injection : en fr
  • AU114418B2 - Improvements in water purification apparatus : en
  • US2268824A - Mechanism for cutting and looping springs : en
  • US2269012A - Individual stall system for cow milking : en
  • GB542382A - An improved tool for expanding tubular rivets or eyelets : en
  • CA402004A - Overload protective means : en fr
  • US2268827A - Logrolling game device : en
  • US2269066A - Cigarette dispenser : en
  • US2269082A - Electric discharge vessel : en
  • US2269141A - Communication system : en
  • DE715628C - Device for heating the drying air of hair drying hoods : de en
  • DE715958C - Roller dryer for potato flake production : de en
  • US2269245A - Motor : en
  • FR868648A - Glass bulb for discharge tubes : en fr
  • US2268695A - Pump : en
  • FR868515A - Gas supply device : en fr
  • US2268696A - Fruit position inspector : en
  • US2268823A - Method to diminish damping of crystals : en
  • US2269081A - Method of manufacturing cathodes for electron tubes : en
  • DE715893C - Cushioning, especially for motor vehicles : de en
  • DE715860C - Screw pump : de en
  • FR868623A - Gear train for motor operated hand devices : en fr
  • GB542374A - Collection of index-cards for homeopathic repertorial research : en
  • FR868599A - : fr
  • DE715878C - AC-powered, grid-controlled discharge vessel with gas or vapor filling : de en
  • GB542344A - Improvements in adjustable seats : en
  • US2269206A - Relay : en
  • US2268910A - Apparatus for making hydrogen : en
  • US2268988A - Method and apparatus for drying printing ink : en
  • GB542348A - Improvements relating to magnetic sound recording : en
  • DE714097C - Fluid measuring device, especially for concrete mixers : de en
  • DE715776C - Process for producing seamless, inflatable, spherical balls, in particular football bubbles : de en
  • DE715680C - Method and form for producing glass plates etc. with a mirror-like surface on one side that has the original fire polish : de en
  • US2268874A - Shoe press : en
  • US2268822A - Ceiling construction : en
  • US2268972A - Projector : en
  • US2269028A - Execution of catalytic conversions in the presence of ferrous metals : en
  • USD131017S - Design fob a game board : en
  • CA401935A - Hernia pad : en fr
  • CA401951A - Vending machine : en fr
  • CA401992A - Coating composition : en fr
  • DE715973C - Electric hammer : de en
  • CA401940A - Illuminated sign : en fr
  • CA402106A - Detachable bit drill : en fr
  • US2268867A - Typewriting machine : en
  • US2268631A - Printing telegraph system and apparatus : en
  • DE714932C - Device for stereoscopic image projection with a polarization filter grid arranged directly next to the projection screen : de en
  • DE715996C - Arrangement for high-frequency generator of high performance : de en
  • FR868571A - Punch : en fr
  • AU219541A - Gyratory screen : en
  • DE715886C - Chopping machine : de en
  • CA402008A - Lighting unit : en fr
  • FR868646A - Device for compensating for errors of bearing repeating periodically and preferably every eighth of a circle : en fr
  • US2268989A - Process for improving fuel : en
  • US2269265A - Stabilized refined petroleum product : en
  • AU114437B2 - Improvements in and relating to magnesium alloys : en
  • US2268677A - Means for testing the resistance of fabrics to snagging : en
  • FR868534A - Bayonet-type lampholder improvements : en fr
  • FR868639A - high frequency stage with counter-timing assembly : en fr
  • AT160759B - High quality plain bearings. : de en
  • DE715824C - Bed place for children : de en
  • GB542375A - Improvements in pressure gas generators comprising internal combustion engines and air compressors driven thereby : en
  • FR868630A - Hand-held machine tool, motive power : en fr
  • DE715657C - Electrically heated waffle iron or baking pan with a collecting channel on the edge : de en
  • DE715751C - Fuel injection system for internal combustion engines : de en
  • DE715769C - Safety device for heating systems with circulation pump : de en
  • DE715732C - Single rope grab : de en
  • GB542340A - Improvements in radiators for use more especially with motor vehicles : en
  • US2268609A - Glassware lehr : en
  • DE715827C - Split race for ball bearings, roller bearings or the like. : de en
  • US2268680A - Heat exchanger with wire heat conductors : en
  • US2269389A - Molding press : en
  • USD131034S - Design for a knitted textile fabric : en
  • CA402104A - Yarn and foil production : en fr
  • US2268746A - Corn and callous pad : en
  • US2268906A - Box : en
  • US2268935A - Dyestuffs of the triazol series and process of making same : en
  • US2268571A - Separable fastener : en
  • US2268901A - Bed lamp : en
  • US2268660A - Automatic toaster : en
  • USD131019S - Design fob a dress : en
  • US2268559A - Steam boiler : en
  • US2269091A - Welding machine : en
  • US2269148A - Folding camera : en
  • AT160751B - Process for molding objects. : de en
  • US2269381A - Work-holding vise : en
  • US2268778A - Space heater : en
  • US2269302A - Manufacture of gasoline : en
  • US2268567A - Process of refining oils containing free fatty acids : en
  • US2269413A - Garment hanger : en
  • DK59366C - Power supply connection for Radio receivers. : da en
  • US2268953A - Locomotive brake control attachment : en
  • CA402089A - Thin wall tube : en fr
  • AU136241A - Production of photochemical inhibitors incorporated in rubber hydrochloride : en
  • DE715662C - Filter nozzle made of porcelain for backwash water filter systems : de en
  • US2269055A - Split heating system : en
  • US2268758A - Surveying instrument : en
  • US2269007A - Edger : en
  • US2268785A - Dew point recorder and indicator : en
  • FR868544A - Manufacturing process of agglomerates for gasifiers : en fr
  • DE715756C - Laundry corner device : de en
  • DE715948C - Process for the production of metal-containing azo dyes : de en
  • GB542342A - Improvements in contacts for electric switches : en
  • DE715914C - Protective device against incorrect repeated switching on of electromagnetic or electric motor remote-controlled switches : de en
  • US2269040A - Storage battery : en
  • US2269048A - Hand covering : en
  • DE715780C - Device for cutting off the wall of pipe ends : de en
  • DE715789C - Cable fastening with rotatable and adjustable fixing of brake cables, especially on brake levers for cable brakes on vehicles : de en
  • DE715971C - Adjustable quick release hook wrench : de en
  • DE715647C - Device for only partially filling a traffic container for gases liquefied under pressure : de en
  • US2269118A - Fountain pen clip : en
  • USD131036S - Design for a knitted textile fabric : en
  • CA402075A - Railway car truck and bolster : en fr
  • US2269129A - Application of fluorescent material to electron tubes : en
  • US2269009A - Rotary centrifugal pressure producing device : en
  • US2269217A - Mixed polyvinyl acetal resin : en
  • USD131035S - Design for a knitted textile fabric : en
  • AU114477B2 - Method of locating mineral oil deposits : en
  • GB542407A - Improvements in or relating to clutch plates : en
  • DE715632C - Manufacture of molded parts from molding compound : de en
  • DE715928C - Ironing trough with electrical heating : de en
  • DK59363C - Magnetoelectric Generator. : da en
  • CA401979A - Manifolding book : en fr
  • US2268693A - Conveying apparatus : en
  • US2269115A - Cathode-ray tube : en
  • CA402096A - Fastener lock slider : en fr
  • CA401984A - Time delay motor control system : en fr
  • US2269184A - Freezing tray : en
  • USD131049S - Design fob a lace : en
  • US2269037A - Ophthalmic mounting : en
  • US2268610A - Apparatus for preventing curl of envelope flaps : en
  • DE715755C - Ceramic-lined container, especially for wet textile treatment : de en
  • DE715966C - Method of reducing the losses due to imperfect combustion when burning cement in shaft furnaces : de en
  • DE715800C - Device for optional post-treatment of stacks or endless synthetic fiber strips : de en
  • US2269357A - Foot mallet : en
  • US2268577A - Construction of externally screwthreaded members : en
  • US2268582A - Ornamenting machine : en
  • US2269174A - Dry ice storage : en
  • AT160764B - Device for measuring speeds or accelerations. : de en
  • CA401970A - Vulcanizable contoured sheet manufacturing apparatus : en fr
  • CA402033A - Stabilized oscillating circuit : en fr
  • CA402052A - Locomotive safety device : en fr
  • CA401981A - Water resistant glue : en fr
  • DK59364C - Connecting device for Telephone systems with Main and Sub-exchanges. : da en
  • FR868560A - Process for making doll eyes : en fr
  • US2268834A - Automatic tuning arrangement : en
  • US2268638A - Shaker conveyer : en
  • US2268792A - Radio receiver : en
  • US2269223A - Nipple : en
  • DE715816C - Heat exchangers used in particular to generate steam for high heating gas pressures and heating gas speeds : de en
  • DE715777C - Device for feeding fish : de en
  • CA401953A - Loom mechanism : en fr
  • US2268588A - Furnace, particularly adapted for producing ferric oxide from ferrous sulphate : en
  • US2268666A - Method of sealing glass and ceramic material together : en
  • US2268855A - Lawn sprinkling apparatus : en
  • US2268788A - Method of operating wax filters : en
  • DE715642C - Process for drying substances in an electrical high-frequency field, especially in an ultra-short wave field : de en
  • US2268852A - Pneumatic tube carrier : en
  • US2269175A - Elastic fluid turbine : en
  • GB542392A - Improvements in mechanism for feeding cartridges to automatic guns : en
  • US2269205A - Air cooling apparatus : en
  • US2268669A - Display background construction : en
  • US2269237A - Cooling arrangement for dynamoelectric machines : en
  • DE715932C - Power-driven address printing machine : de en
  • US2268938A - Electric contacting element : en
  • GB542315A - Improvements in and relating to the controlling of pressure charged internal combustion engines for aircraft : en
  • GB542357A - Improvements in or relating to internal combustion engines provided with charging pumps : en
  • US2268765A - Method and means for securing upholstery material : en
  • GB542330A - Improvements in or relating to the recovery of precious metals lost during the catalytic conversion of gases : en
  • US2268904A - Combined pull-to and latch lever for vehicle doors : en
  • US2268969A - Protective cage for bowling alleys : en
  • FR868531A - Improvement of paper machines by installing a gas dryer plate upstream of the last wet press : en fr
  • GB542453A - Improvements in servomotor control valves : en
  • US2268615A - Process for obtaining deoxidized copper : en
  • US2268890A - Printed matter for blind reading and method of producing the same : en
  • US2268961A - Vessel for containing high pressure fluids : en
  • USD130990S - Supporting stand for ironing machines or other articles : en
  • CA402085A - Garment pressing machine : en fr
  • US2269234A - Polymethine dye intermediates : en
  • DE715650C - Circular cylinder-shaped, movable core part for transformers or choke coils : de en
  • DE715838C - Method and device for breaking up fiber bundles obtained by stacking and for producing a continuous fiber sliver from these fiber bundles : de en
  • US2268940A - Electric contacting element : en
  • US2269327A - Electric parking meter : en
  • DE715867C - Thickener with a chain moving in a circle from the edge of the thickener : de en
  • CA401998A - Photographic lens : en fr
  • US2269409A - Wire holder : en
  • USD130998S - Design for a fountain pen : en
  • DE715655C - Process for the production of a fluorescent layer : de en
  • US2268769A - Air conditioning system : en
  • GB542383A - Improvements in life-saving jackets : en
  • US2269198A - End protector : en
  • USD130989S - Design for a sand urn : en
  • CA402003A - Phase and polarity reversing network : en fr
  • DE715874C - Production of activated carbon : de en
  • DK59378C - Device for grinding the columns on crankshafts. : da en
  • US2269235A - Multistage elastic fluid turbine : en
  • US2269272A - Insecticide : en
  • US2269331A - Table : en
  • US2268950A - Station indicating means for automatic tuners : en
  • US2268998A - Reducing disturbances in radio reception : en
  • US2268957A - System for supplying and metering liquid fuel to motors : en
  • US2269134A - Desalting and demulsifying compound for petroleum emulsions : en
  • AU114450B2 - Improvements in or connected with pig-rings or the like : en
  • CA401942A - Fishing tool for rotary drilled wells : en fr
  • DE715913C - Compressed air drive for electrical switches with stepped pistons : de en
  • DE715821C - Process for the production of injectable, expectorant extracts from rye germs : de en
  • US2268865A - Method of manufacturing raw edge belts : en
  • US2268873A - Article dispensing device : en
  • FR868612A - Installation of injection pumps for internal combustion engines : en fr
  • FR868505A - Discharge tube, in particular for ultra-short waves and of the order of the decimeter : en fr
  • DE715719C - Process to reduce lye losses in the dephenolation of water : de en
  • FR868636A - Device for generating synchronization pulses in television applications : en fr
  • CA401968A - Eye testing instrument : en fr
  • CA402045A - Tabulating machine : en fr
  • DK59370C - Device for sliding windows. : da en
  • US2268586A - Preparation of polyamides : en
  • US2269317A - Folding clothes rack : en
  • US2268815A - Welding equipment : en
  • US2268927A - Display rack : en
  • DE715952C - Process for influencing the elastic properties of workpieces made of zinc and its alloys : de en
  • US2268917A - Drawer for articles of furniture : en
  • US2268593A - Quick-setting printing ink : en
  • USD131025S - Design fob a conduit ob similab article : en
  • CA401928A - Washing machine : en fr
  • CA402121A - Cellulosic thread, etc. : en fr
  • DE715736C - Air-cooled internal combustion engine : de en
  • GB542405A - Improvements relating to electric accumulators : en
  • GB542458A - Improvements in or relating to ignition systems for internal-combustion engines : en
  • CA401973A - Engine starter : en fr
  • DE711585C - Screw clamp : de en
  • DE715942C - Swivel joint for the implementation of electrical cables, especially for workplace lights : de en
  • AT160753B - Process for the production of forged goods and equipment such as axes, hoes, hicks, staples, rakes, forks and the like. like : de en
  • US2269260A - Duplex concealed hinge : en
  • US2268717A - Method and apparatus for manufacturing pottery ware : en
  • US2269322A - Combined cap and eyeshield : en
  • CA402029A - Molybdenum and alloy production : en fr
  • CA402078A - Sheet metal rolling apparatus : en fr
  • CA401925A - Sandwich making apparatus : en fr
  • DE715868C - Iron pit stamp : de en
  • AT160748B - Method for the improvement of casein fibers. : de en
  • DE715705C - Process for cleaning starch syrup and starch sugar juices : de en
  • US2268597A - Shoe machine : en
  • US2268741A - Automobile hood latching means : en
  • US2269001A - Thermionic valve amplifier : en
  • US2269015A - Tropical hard-shell nut fiber pharmaceutical product : en
  • US2268670A - Electron discharge device : en
  • US2268974A - Door lock : en
  • US2268625A - Method and means for applying reinforcing strip or tape : en
  • FR868503A - Automatic adjustment of the amplification level of the carrier frequency amplifiers : en fr
  • US2268676A - Molding core : en
  • USD131043S - Design for a checkerboard : en
  • CA402025A - Electron lens : en fr
  • CA401959A - Calculating and accounting machine : en fr
  • US2269011A - Method and arrangement for limiting interferences in radio receiving apparatus : en
  • CA401931A - Hat : en fr
  • CA402010A - Door latch : en fr
  • CA402077A - Polymerizable substance processing : en fr
  • AU234741A - Slider for separable sliding clasp fasteners : en
  • CA402047A - Recording device : en fr
  • US2268956A - Electric gauge : en
  • US2269220A - Phenol-formaldehyde photographic sub : en
  • DE715862C - Vibration dampers, especially for aircraft components : de en
  • US2269139A - Process for producing improved titanium pigments : en
  • US2268718A - Carbon pile electric regulator : en
  • CA402083A - Railway traffic controlling apparatus : en fr
  • DE713335C - Method for wireless location determination : de en
  • DE715851C - Arrangement for the regulation of several parallel working, spatially adjacent, grid-controlled rectifiers : de en
  • US2268766A - Window lock : en
  • US2268811A - Television receiver : en
  • US2269293A - Coding machine : en
  • US2269296A - Noncorrosive battery terminal : en
  • FR868557A - Self-cleaning filter device : en fr
  • DE715660C - Device for regulating the compressed air supply to the compressed air consumers in mining operations : de en
  • FR868565A - Chain stitch sewing machine : en fr
  • GB542325A - Improved advertising device : en
  • US2269016A - Magnetic valve : en
  • US2268637A - Adjustable partition : en
  • US2268674A - Process for softening paper : en
  • US2269030A - Torpedo : en
  • US2269111A - Coffee maker : en
  • US2268540A - Combination floor furnace and evaporative cooling unit : en
  • US2268556A - Fire retardant textile : en
  • USD131020S - Design fob a potato chopper : en
  • DE715994C - Shift levers, buttons, handles made of plastic for switches in the telecommunications system : de en
  • FR868643A - Call rig for wire end assembly for carrier frequency : en fr
  • AT160754B - Multi-disc brake for heavy, high-speed vehicles, especially railroad cars. : de en
  • US2268966A - Animal trap : en
  • US2269099A - Heat transfer system : en
  • US2269199A - Duplicator : en
  • DE715329C - Method and apparatus for freezing liquid or pourable or kneadable frozen goods : de en
  • US2269074A - Sound recording system : en
  • US2268803A - Fruit inspection conveyer : en
  • DE715906C - Process for the production of potassium sulfate from syngenite : de en
  • FR868520A - Process for obtaining tasty chocolate masses and device for carrying out the process : en fr
  • USD131006S - Lady s evening glove or similar article : en
  • DE715854C - Method of cleaning the surfaces of stones, especially of architectural monuments : de en
  • DE715659C - Iron pit stamp : de en
  • US2269397A - Composition of matter : en
  • US2268703A - Process for making blanks : en
  • USD131002S - Design for a fish lure : en
  • US2268622A - Manufacture of artificial materials : en
  • US2268635A - Telephone system : en
  • US2269106A - Internal combustion motor : en
  • US2269170A - Coupling : en
  • US2269176A - Coated refractory melting pot : en
  • DE715646C - High pressure transfer pump for alternating use for two or more different gases : de en
  • CA402031A - Scanning current generator : en fr
  • GB542368A - Improvements in or relating to hydraulic motors : en
  • DE715894C - Mechanical brake compensation for brake rods of vehicles : de en
  • FR868615A - Iron Laminated Core Cylindrical Coil : en fr
  • GB542379A - Improvements in or relating to reinforced plastic materials : en
  • FR868620A - Cooled injector valve : en fr
  • IT391205B - : it
  • CA402036A - Diazotype dry development apparatus : en fr
  • GB542406A - Improvements in and relating to electric terminals and couplings : en
  • DE715842C - Device for steaming, in particular printed fabrics : de en
  • FR868542A - Gas dispenser for explosive engines : en fr
  • USD131013S - Design for a glare signal for automobiles : en
  • CA402088A - Fluid actuated brake : en fr
  • US2269225A - Electrostatic metering apparatus : en
  • US2268603A - Regenerative gas heater : en
  • US2268613A - Can body making machine : en
  • US2268618A - Polymerization of hydrocarbons : en
  • US2269067A - Record keeping apparatus : en
  • US2269410A - Electrically operated machine gun apparatus : en
  • FR868526A - Apparatus with ejector and hopper for driving a powder by suctioning a liquid stream : en fr
  • DE715649C - Circuit arrangement for generating a control voltage serving as a measure for a frequency deviation : de en
  • FR868618A - Electric pinion starter : en fr
  • US2268663A - Abrasive tool : en
  • GB542323A - Improvements in cloth guiding devices : en
  • DE715779C - Device for noise dampening : de en
  • FR868638A - Electric current input for capacitors and similar devices : en fr
  • US2269159A - Closure cap securing means for jars and the like : en
  • US2269183A - Cut film back for cameras : en
  • US2269299A - Winding apparatus : en
  • AT160756B - Method and device for the production of rubber strips for the production of rubber threads. : de en
  • CA402050A - Plastic material extrusion device : en fr
  • CA401996A - Optical system : en fr
  • US2268624A - Packing cup for brake mechanism : en
  • US2269154A - Dynamoelectric machine : en
  • AT160743B - High-frequency induction coil, the winding of which is fixedly arranged on a magnetizable earth core. : de en
  • US2269042A - Harvesting machine : en
  • US2269187A - Halogenated benzoic ester : en
  • US2269311A - Abrading machine : en
  • CA402014A - Rubber covered roll : en fr
  • DE715759C - Process for removing the catalyst for the synthesis of gasoline from the contact furnace : de en
  • CA401983A - Liquid film seal : en fr
  • DE715652C - Eddy current tachometer : de en
  • FR868633A - Rangefinder : en fr
  • GB542430A - Improvements in drilling machines : en
  • GB542384A - Improvements in and relating to reinforced block work girders or beams : en
  • GB542395A - Improvements in the tuning arrangements of radio receivers : en
  • DE715825C - Polymerization of butadiene : de en
  • FR868521A - Device for reducing the phenomena of electrical oscillations in transformer installations : en fr
  • US2268946A - Phenol modified ethers : en
  • US2268548A - Inner tube tester : en
  • US2268864A - Locking device for drawers and the like : en
  • US2268948A - Controllable pitch propeller : en
  • US2269297A - Axially centered recoil mechanism for machine guns : en
  • FR868634A - iron mine prop : en fr
  • US2269400A - High-speed between-the-lens photographic shutter : en
  • US2268565A - Method of making composite bearing metal and products thereof : en
  • US2269370A - Folding table : en
  • US2268907A - Prefabricated building structure : en
  • US2269323A - Cigarette holder : en
  • DE715968C - Unloading pocket for ski conveyor systems : de en
  • FR868546A - Acetylene generator : en fr
  • FR868574A - Process for the preparation or treatment of food, drink, etc. : en fr
  • USD131023S - Plate or analogous article : en
  • US2268781A - Bathing garment : en
  • US2269109A - Concrete placement apparatus : en
  • USD131053S - Design for a mitten : en
  • USD131051S - Design fob a textile fabric : en
  • US2268561A - Welt shoe and insole therefor : en
  • US2269098A - Musical annunciator : en
  • US2269213A - Venetian blind tilter : en
  • FR868501A - Electrode current inputs for glass electron tubes : en fr
  • US2268566A - Mold for producing composite metal stock : en
  • US2268933A - Micrometric line spacer mechanism for typewriters : en
  • US2268990A - Secondary and tertiary 3-amino-methyl-polyhydroxy-phthalides : en
  • DE715931C - Device for regulating the feed water supply for several once-through boilers fed from one point : de en
  • USD130991S - Design for a candle holder : en
  • US2269193A - Denatured alcohol containing an alkyl carbonate : en
  • US2269384A - Metal base for wall construction : en
  • US2269062A - Lumber trailer : en
  • DE715933C - Phase equalizing quadrupole : de en
  • US2268679A - Printing device : en
  • US2269416A - Coated abrasive article : en
  • US2268562A - Process of and apparatus for fabricating glass run guides : en
  • CA401947A - Camera : en fr
  • AT160755B - Method for operating internal combustion engines used to drive vehicles, in particular aircraft. : de en
  • US2268982A - Tube reinforcing machine : en
  • GB542366A - Improvements in or relating to thermionic valve circuits having a constant output : en
  • AT160770B - Altimeters, in particular for aircraft. : de en
  • US2269056A - Detachable conveyer flight : en
  • US2268752A - Sound film recording : en
  • US2268922A - Automatic control for trolley frogs : en
  • USD131050S - Design for a lace : en
  • DE715850C - Device for applying the control grid of a converter working with steam or gas discharge paths with voltages of sharp waveforms : de en
  • DE715902C - Schuettelrutschenverbindungen with abutting OEsenbendern at the head ends of the channel chutes for the reception of the longitudinally arranged connecting bolts : de en
  • DE715840C - Process for the production of ceramic filters, diaphragms and the like Like. with partly dense, partly porous structure : de en
  • CA401937A - Tubing resilient coupling : en fr
  • US2268553A - Timing reminder : en
  • US2268859A - Impulse sender : en
  • CA402056A - Hook and shackle : en fr
  • CA402111A - Sulphonated capillary active organic compound : en fr
  • US2269173A - Method and means for storing refrigerants : en
  • CA401934A - Hockey stick : en fr
  • CA401971A - Vacuum container : en fr
  • US2268568A - Material handling apparatus : en
  • US2268642A - Composition in cream form adapted to remove hardened liquid nail polish and method of making same : en
  • US2269077A - Separating table : en
  • CA402028A - Storage battery positive plate : en fr
  • DE715713C - Threshold-free shelter door : de en
  • US2269029A - Cane : en
  • FR868553A - Improvements to bicycles : en fr
  • US2269334A - Animated doll : en
  • AT160758B - Door or window covering, in particular for air raid shelters. : de en
  • DE715920C - Hydraulic drive device, especially for brakes and. like : de en
  • DE715801C - Method and device for loosening post-treated and dried synthetic fiber tapes : de en
  • DE715700C - Shoe balance : de en
  • DE715941C - Pendulum clamp for electric lights : de en
  • FR868552A - Safety glasses : en fr
  • FR868602A - Aircraft running wheel brake can be operated from two different locations : en fr
  • US2268702A - Packing material : en
  • DE715726C - Process for the production of dentures : de en
  • US2268897A - Container handling machine : en
  • FR868597A - Loading device for pneumatic dryers : en fr
  • GB542339A - Means for connecting filter cartridges : en
  • FR868647A - Device for forming an optico-electronic image of a light image of a planar photocathode of large area : en fr
  • AU442740A - Improvements in or relating to bandpass filters : en
  • CA401961A - Turbine blade : en fr
  • FR868598A - Process for the selective treatment of oils containing paraffin : en fr
  • CA402040A - Binder tab for web rolls : en fr
  • US2268691A - Electrically heated furnace : en
  • GB542358A - Bipolar electrolysers : en
  • CA401949A - Rocky material breaking down and dislodging apparatus : en fr
  • DE715733C - Process for the production of foils and tapes from organic thermoplastic masses : de en
  • FR868516A - Control of auxiliary devices for aircraft engines : en fr
  • US2268751A - Hosiery and method of making the same : en
  • US2269103A - Gyroscopic instrument : en
  • US2269192A - Denatured alcohol containing an alkyl furoate : en
  • GB542417A - Improvements in or relating to lighting and sterilizing apparatus : en
  • DE715729C - Device for hardening glass plates : de en
  • DE715716C - Process for biological wastewater treatment : de en
  • US2269390A - Cross slide for lathes : en
  • US2269394A - Electric lighter for cigars, cigarettes, etc. : en
  • US2269292A - Railway traffic controlling apparatus : en
  • CA402069A - Knitting machine strand feeding device : en fr
  • CA402091A - Locking device : en fr
  • CA401987A - Electric coil : en fr
  • CA402084A - Speed responsive device : en fr
  • CA402002A - Lantern slide frame : en fr
  • CA402062A - Filter system for multiple channel amplifiers : en fr
  • CA402019A - Electrical equipment : en fr
  • CA402124A - Counter current pre-heater : en fr
  • US2268544A - Lubricated piston : en
  • US2268925A - Traffic counting circuits : en
  • US2269024A - Power transmission device : en
  • DE715834C - Fuel tanks in vehicles, in particular in aircraft : de en
  • CA401967A - Silver recovery from photographic solutions : en fr
  • GB542398A - Improvements relating to vertical retorts for the carbonisation of coal and the like : en
  • US2269226A - Cathode ray oscillograph control : en
  • CA402023A - Light sensitive electrode : en fr
  • AU1334344A - Fuel Containers : en
  • FR868624A - Starting device for internal combustion engines : en fr
  • US2269185A - Method of forming coil insulation : en
  • US2269122A - Contact : en
  • US2269279A - Carbureting and ignition system : en
  • US2269364A - Collapsible structure : en
  • US2268710A - Wall paneling : en
  • US2268783A - Indicating apparatus : en
  • DE715694C - Double camera : de en
  • US2268602A - Process for preparing seed material for the improvement of bituminous substances of low qualities : en
  • DE715792C - Spindle drive for spinning, twisting, winding and similar textile machines : de en
  • DE715806C - Drum heater : de en
  • DE715879C - Circuit to compensate for the anode voltage fluctuations that occur during the operation of intensity-controlled cathode ray tubes : de en
  • US2268684A - Rattle : en
  • US2269248A - Control device for burners : en
  • FR868641A - Mounting device for silent amplification of decimeter or centimeter waves : en fr
  • GB542412A - Improvements in and relating to safety pins : en
  • US2268736A - Water-dispersible vitamin-containing composition and cosmetic including the same : en
  • FR868629A - Impact drill with cleaning fan : en fr
  • GB542352A - Improvements in time-controlled switching and tuning arrangements for radio receivers : en
  • DE715927C - Device for machine cutting of floating warp threads : de en
  • USRE21995E - Spool snubber : en
  • FR868635A - High Frequency Iron Core Coil : en fr
  • DE715742C - Folding boat with a roll-up frame : de en
  • US2269155A - Roughage mill distributing spout : en
  • US2268947A - Phenol modified esters : en
  • DE715939C - Device for displaying impermissible overloading of conductors through which alternating current flows : de en
  • DE715428C - Speech amplification system that can be worn on the body and consists of a microphone, amplifier, energy sources and loudspeaker : de en
  • US2269267A - Phonograph record : en
  • US2269158A - Color photography : en
  • US2268891A - Driving mechanism for sheets or bands : en
  • US2269112A - Coffee maker : en
  • US2269216A - Polyvinyl acetal resin : en
  • US2268849A - Method of uniting materials : en
  • US2269280A - Air conditioning system : en
  • US2268689A - Tractor operated loader : en
  • US2268708A - Lamp holder : en
  • US2268954A - Air cooling device for internal combustion engines : en
  • US2268606A - Release mechanism for fluid brake systems : en
  • US2268866A - Apparatus for laying up thread : en
  • US2269395A - Refrigeration control apparatus : en
  • FR868507A - Ultra-high frequency electro-magnetic wave transmission systems : en fr
  • US2268916A - Main clutch control : en
  • GB542361A - Improvements in or relating to power press lubricating installations : en
  • FR868604A - Airplane Wheel Hydraulic Shoe Brake Brake Device : en fr
  • US2268720A - Covered container with cover fastening means : en
  • US2268856A - Method of and apparatus for cutting blanks from sheet material : en
  • DE715936C - Controller for the power program control of alternating current sources connected in parallel : de en
  • DE715640C - Process for the treatment of light metal surfaces : de en
  • FR868550A - Process for manufacturing lean gas with natural wood in a reverse combustion gasifier : en fr
  • FR868611A - Installation of injection pumps for internal combustion engines : en fr
  • FR868549A - Fuel agglomerates : en fr
  • DE715979C - High current rectifier system : de en
  • DE715915C - Spark gap arrangement : de en
  • GB542418A - Improvements in and relating to turning machines and tools therefor : en
  • US2269027A - Device which enables dressings or plasters to be kept at a constant degree of radioactivity : en
  • US2268928A - Fountain toothbrush : en
  • DE715710C - Electromagnetic light control device, especially for sound film purposes : de en
  • US2268949A - Die casting machine : en
  • US2269396A - Material for destroying vegetation : en
  • US2268563A - Method of and apparatus for canning : en
  • US2268894A - Garment rack : en
  • US2268987A - Method and apparatus for drying printing ink : en
  • US2269100A - Refrigeration : en
  • US2269196A - Combined match and toothpick holder : en
  • US2269017A - Necktie form : en
  • DE715891C - Process for the production of partial extracts : de en
  • US2268650A - Equalizer for twin-crank pumping units : en
  • DE715735C - A mixture-compressing four-stroke internal combustion engine controlled by a pipe slide that rotates in the cylinder and moves back and forth and works with spark ignition : de en
  • DE715768C - Voting indicators, especially for radio receivers : de en
  • US2269014A - Batch meter : en
  • US2269039A - Package of interfolded paper sheets and dispensing wrapper therefor : en
  • DE715712C - Swiveling landing gear for aircraft : de en
  • DE715922C - Control device for rudder and engine parts in large aircraft : de en
  • US2268760A - Labeling machine : en
  • DE715761C - Process for the production of melamine : de en
  • US2268599A - Abrading tool : en
  • US2269150A - Wire coating device : en
  • US2268619A - Radio receiving apparatus : en
  • DE715855C - Purification device for burnt-out grates from pulverized coal furnaces : de en
  • GB542411A - Improvements in and relating to holders or carriers for gramophone records : en
  • CA402024A - Electron device : en fr
  • US2269006A - Shoe tree : en
  • US2268723A - Method of lapping valve plugs : en
  • US2268831A - Electric fixture attaching means : en
  • US2268903A - Spark plug : en
  • USD131028S - Design fob a receptacle for cosmet- ics and other articles : en
  • US2268958A - Luggage carrier : en
  • US2269414A - Multiple recording galvanometer : en
  • CA401926A - Broiler : en fr
  • US2269207A - Tube lubricator : en
  • AT160760B - TV channel. : de en
  • US2268656A - Steam jet ejector : en
  • US2269127A - Valve : en
  • US2269243A - Preparation of oils containing antioxidants : en
  • US2269306A - Crusher : en
  • CA402000A - Photographic lens : en fr
  • CA402107A - Oil paint : en fr
  • GB542373A - Improvements in stop mechanism for typewriting machines : en
  • DE715749C - Self-seller for gas, electricity or the like. : de en
  • AU443440A - Improvements in or relating to indicating meters particularly for radio navigational purposes : en
  • AU114455B2 - Coupling ofan eneragising stage toa modulating stage by an impedance inverting network : en
  • DE715900C - Overtaking sign receiver : de en
  • DK59365C - Coupling for Generating or Amplifying Ultra High Frequency Oscillations. : da en
  • US2268569A - Material loading apparatus : en
  • US2268964A - Fire extinguisher : en
  • GB542461A - Improvements in or relating to electric timing devices : en
  • DE715651C - Method and device for the mechanical recording of sound vibrations : de en
  • DE715890C - Process for the production of low-resin wood pulp from pine wood : de en
  • CA402109A - Stock quotation transmitting and receiving system : en fr
  • US2269119A - Shovel attachment : en
  • US2269228A - Fixture stud for outlet boxes : en
  • IE16608L - 2-ketogluconic acid : en
  • AU114433B2 - Improvements in or relating to carrier telephone and signalling systems : en
  • DE715847C - Moving device in muffles from Gluehoefen filled with protective gas for preheating of cladding material : de en
  • DE715653C - Zero printing device for cash registers or accounting machines : de en
  • FR868579A - Switching system for electron multipliers : en fr
  • GB542343A - Improvements relating to inking and lacquering rollers for lithographic, printing and lacquering machines : en
  • GB542371A - Improvements in or relating to injection nozzles for internal combustion engines : en
  • GB542444A - Improvements in or relating to the manufacture of fluid compositions comprising polymeric materials : en
  • GB542427A - Improvements in and relating to heating systems for aircraft and the like : en
  • GB542372A - Improvements in or relating to sliding friction bearings : en
  • US2268968A - Hydraulic steering mechanism : en
  • DE715797C - Oil switch with arc extinguishing by oil flow : de en
  • GB542435A - Ball-bearing for the balance-staff of time indicators : en
  • GB542316A - Improvement in vitamin b complex : en
  • DE715661C - Clamping device for filing unperforated documents, drawings, etc. Like. In letter folders : de en
  • DE715882C - Immersion heater : de en
  • US2269045A - Clock and watch : en
  • USD131000S - Design for a fountain pen : en
  • GB542414A - Production of new derivatives of hydrocarbons of high molecular weight : en
  • CA402125A - Shoe inside drying device : en fr
  • US2268549A - Apparatus for indicating efficiency : en
  • US2268918A - Rocking electric furnace ventilating system : en
  • FR868567A - : fr
  • AU114466B2 - Improvements in microphones : en
  • DE715766C - Contact for interruption devices : de en
  • CA401988A - Ultra-short wave device : en fr
  • CA402126A - Glass plate hardening oven : en fr
  • US2268698A - Weighing scale : en
  • US2268719A - Traffic signal : en
  • DE715807C - Grinding wheel made of vitrified bonded grain of various sizes : de en
  • FR868556A - Air mixer for gasifier : en fr
  • FR868502A - Device for connecting an end-of-line subscriber telephone set to a four-wire carrier frequency : en fr
  • AU114449B2 - Production of photochemical inhibitors incorporated in rubber hydrochloride : en
  • CA401997A - Screw stick : en fr
  • DE715926C - Process for the production of electrically insulating and gas-tight bodies from aluminum oxide : de en
  • CA402026A - Electron multiplying electrode : en fr
  • US2269019A - Warning device : en
  • US2269166A - Polyvinyl acetal resin : en
  • USD131052S - Design fob a combined dog collar and tie : en
  • CA402018A - Phenol separation : en fr
  • US2268893A - Bat : en
  • US2268959A - Burner control system : en
  • US2268960A - Fluid control valve and electromagnetic operator therefor : en
  • US2269304A - Pencil tip and sharpener : en
  • USD131009S - Design for a roof ventilator : en
  • US2269004A - Holding and releasing mechanism for railroad hand brakes : en
  • US2268802A - Driving mechanism : en
  • US2268995A - Soldering iron : en
  • US2268704A - Electric cable : en
  • US2268818A - Stocking with means for improving the elasticity, and process of producing the same : en
  • US2268605A - Friction brake : en
  • US2269295A - Compressed band telephony : en
  • US2269310A - Display device : en
  • DE715669C - Loading vessel for ovens, especially for electric arc furnaces : de en
  • USD131012S - Zahn dress ensemble : en
  • US2268854A - Grease trap : en
  • GB542399A - Improvements relating to machines for manufacturing electric lamps and similar devices : en
  • DE715944C - High pressure electric discharge tubes for lighting and radiation purposes : de en
  • CA402071A - Printing ink drying apparatus : en fr
  • US2269320A - Retractable tool holder : en
  • DE715576C - Ball joint coupling : de en
  • DE715885C - Self-sellers of consumables : de en
  • GB542336A - Improvements in or relating to means for moistening pieces of paper and like material : en
  • GR9743B - PREPARATIONS AND DISHES OF CULINARY AND CONFECTIONERY USE MERCHANTABLE LONG. : el en
  • GB542365A - Improvements in or relating to presses and like machines : en
  • US2268671A - Television receiver : en
  • US2268983A - Method of forming abrasive surfaces upon high-speed grinding wheels : en
  • DK59380C - Open Filter for Biological Purification of Wastewater. : da en
  • US2268871A - Apparatus for evaporating milk and other liquid products : en
  • DE715738C - Machine for grinding the tooth flanks of spur and helical gears using the rolling process using a grinding wheel that has the profile of a rack tooth : de en
  • US2268743A - Spring-latch lock : en
  • US2268776A - Regulation of superheat and feed water temperatures : en
  • AT160742B - Electrolytic capacitor. : de en
  • CA401957A - Venetian metal blind slat manufacture : en fr
  • US2269156A - Lead-in seal : en
  • DE715639C - Wheel bearing : de en
  • DE715707C - Pressure telegraph receiver, the type wheel of which is connected to code disks, the setting of which is determined by a set of test elements : de en
  • DE715803C - Hair and skin care product containing lecithin : de en
  • US2268601A - Vehicle : en
  • US2268748A - Display rack : en
  • FR868580A - Polycylindrical injection engine : en fr
  • CA402017A - Parasiticidal preparation : en fr
  • DE715877C - AC relay for use in conjunction with modulated carrier currents : de en
  • FR868518A - Harvester-binder : en fr
  • US2269116A - Device for the formation of tobacco layers : en
  • AU114475B2 - Slider for separable sliding clasp fasteners : en
  • DE715723C - Blood irradiation machine : de en
  • GB542416A - Improvements in multiple rope variable speed pulley transmission gear : en
  • DE715728C - Device for the continuous production of mats or sheets from glass fibers and other inorganic fibers : de en
  • DE715881C - Electric cooking and baking equipment : de en
  • GB542443A - Improvements in or relating to apparatus for cleaning oil : en
  • US2269186A - Resinous composition : en
  • US2268636A - Means for connecting metal sheets : en
  • AU432340A - Improvements in or relating to carrier telephone and signalling systems : en
  • CA402100A - Railway car door : en fr
  • DE715788C - Window serving as an emergency exit, especially for motor vehicles : de en
  • AU114485B2 - Improvements in or relating to indicating meters particularly for radio navigational purposes : en
  • DE715670C - Road roller with belt wheels : de en
  • DE715841C - Flushing device, especially for steps : de en
  • US2269346A - Teletypewriter switchboard service observing circuit : en
  • DE715921C - Process for the production of fluorescent screens : de en
  • CA401946A - Ski binding : en fr
  • US2268763A - Milk can cover : en
  • DE715830C - Elastic sealing ring for stuffing box socket pipe connections : de en
  • DE715861C - Speed controller for water power machines : de en
  • FR868607A - Electromagnetically actuated leaf clutch applicable in particular to automotive transmissions : en fr
  • GB542347A - A process and apparatus for introducing alloying material into molten metal : en
  • US2268594A - Process of letterpress printing : en
  • US2269387A - Furnace : en
  • GB542387A - Process for the production of glucose : en
  • US2269246A - Control device : en
  • US2269350A - Awning : en
  • US2268971A - Process for removing fluorides from water : en
  • DE715977C - Jaw branch clamp : de en
  • US2268740A - Neck duster : en
  • GB542390A - Improvements in or relating to electron discharge apparatus : en
  • US2268716A - Parking meter : en
  • US2269107A - Method of producing power with internal combustion motors : en
  • US2269348A - Tractor wood saw : en
  • DE715812C - Process for the production of a cold-installable paving compound for roads or the like. : de en
  • DE715859C - Device for hanging up artificial guts while drying : de en
  • DE715864C - For the wing of a propeller intended support piece : de en
  • DK59367C - Method for the manufacture of lamp sockets of hard glass or quartz glass and method for the manufacture of capillary tubes with two channels for use in the manufacture of lamp sockets. : da en
  • DE715845C - Process for the extraction of elemental sulfur from sulfur dioxide and gases containing such : de en
  • FR868581A - Materials for the manufacture of electrical contacts : en fr
  • FR868626A - Fitting for metal sheathed electrical cables : en fr
  • CA402064A - Change speed transmission mechanism : en fr
  • US2268607A - Water conditioning apparatus : en
  • US2269108A - Telephone ringer : en
  • US2268687A - Electrically actuated implement : en
  • US2268721A - Washing machine : en
  • US2268880A - Telephone system : en
  • US2269072A - Controlling device : en
  • DE715689C - Cover drive, consisting of a cover band made of wire mesh : de en
  • DE715901C - Anchoring for chute motors : de en
  • DE715953C - Device for reproducing optical sound recordings that are recorded in several tracks close together : de en
  • DE715909C - Pulling and pushing device according to patent 627470, especially for railway vehicles : de en
  • US2268975A - Extinguisher for cigars, cigarettes, and the like : en
  • US2269182A - Illuminating unit : en
  • USRE21998E - Gas lift valve : en
  • USD131041S - Design fob a shoe : en
  • GB542425A - Improvements in or relating to pyrophoric lighters for cigarettes and the like : en
  • US2268762A - Heater : en
  • US2269275A - Carburetor : en
  • FR868594A - Closure for bottles, jars, carboys and other containers : en fr
  • US2268685A - Brake mechanism : en
  • US2268799A - Sewing mechanism for stitching wire eye fasteners : en
  • US2268579A - Gauge : en
  • USRE21997E - Method of making sinks : en
  • USD130995S - Design fou a display case : en
  • US2268705A - Maximum demand meter recording attachment : en
  • AT160745B - Secondary electron amplifiers. : de en
  • CA402118A - Tire manufacture : en fr
  • CA401964A - Copper-zinc alloy : en fr
  • US2268694A - Grinding machine : en
  • US2268902A - Process for recovery of sucrose from impure sucrose solutions : en
  • SE103400C1 - : en
  • US2268767A - Trouser guard machine : en
  • US2268965A - Method of molding reinforced building panels : en
  • US2269382A - Hydraulic actuated governor control : en
  • FR868524A - Combustion engine with pistons arranged in a star and working in opposition : en fr
  • CA402011A - Venetian blind cord locking mechanism : en fr
  • DE715849C - Circuit arrangement with pulse-controlled selection devices and control acknowledgment switches : de en
  • US2268757A - Container : en
  • US2269047A - Switching mechanism for automobile signals : en
  • CA401985A - Magnetic core : en fr
  • FR868506A - Impedance devices for high frequency systems : en fr
  • US2268905A - Production of solid chilled edible products : en
  • US2268825A - Toilet article : en
  • US2269054A - Brake mechanism : en
  • CA401977A - Press welding machine : en fr
  • DK59375C - Jet Pipe for Making Foam for Fire Extinguishing. : da en
  • DE715638C - Device for producing high-frequency cinematographic recordings using slow motion : de en
  • FR868642A - Mounting of trunk stations for long distance lines with wire end mounting for carrier frequency : en fr
  • DE715748C - Permanent magnet system, especially for electrical machines and apparatus : de en
  • US2268662A - Production of matt photographic emulsions : en
  • AT160746B - Method and device for transferring list-like records to loose individual cards. : de en
  • GB542370A - Improvements in dynamo-machines having permanent magnet excitation : en
  • US2268970A - Tearing strip package : en
  • US2269287A - Fan : en
  • US2268545A - Signal device : en
  • US2268932A - Contrivance for amusement and entertainment : en
  • DE715784C - Reversing device for a hand crank drive causing the alternating movement of aircraft parts : de en
  • US2268578A - Cone clutch for punch presses : en
  • US2268999A - Process for the treatment of nitrosyl chloride-chlorine mixtures : en
  • US2268630A - Color photography : en
  • DE715635C - Pyrophoric lighter with a soft elastic stop for the spin-on lid designed as a wick cap holder : de en
  • US2269078A - Material gathering and loading machine : en
  • US2268724A - Transfer device for conveyers : en
  • USRE21999E - Undergarment : en
  • US2268546A - Glass furnace : en
  • DE715961C - Device for attaching films to the film spool core : de en
  • US2268583A - Ornamenting machine : en
  • US2268809A - Woven elastic fabric : en
  • US2268840A - Slice for papermaking machines : en
  • US2268943A - Fused switch box : en
  • US2269208A - Push-on type handle : en
  • US2268794A - Telephone substation apparatus : en
  • US2269063A - Wringer guard : en
  • US2269366A - Iodine-containing dyestuffs : en
  • CA402013A - Sheet material handling apparatus : en fr
  • DE714935C - Flow packing valve for explosives lines : de en
  • US2269086A - Addressing machine : en
  • US2268784A - Vehicle spring liner : en
  • US2269305A - Drag testing device : en
  • CA402041A - Brake lever : en fr
  • US2268700A - Incandescent electric lamp : en
  • US2269200A - Method of manufacturing elastic fluid turbine buckets : en
  • CA401939A - Basin forming agricultural implement : en fr
  • CA401969A - Conveyer guide rail : en fr
  • US2269021A - Parking meter : en
  • US2269230A - Electrical cable : en
  • US2269391A - Machine for molding glass articles : en
  • USD131048S - Combined dial and hands for a clock or similar article : en
  • US2269290A - Speed-change mechanism : en
  • GB542351A - Mobile fort and means for producing same : en
  • US2268611A - Process of laminating : en
  • AT160767B - Gold-palladium-silver alloys for jewelry and rings. : de en
  • CA402042A - Shaft sinking method : en fr
  • US2268829A - Wringer : en
  • US2269408A - Gain control circuits : en
  • US2269041A - Automatic frequency control system : en
  • CA401956A - Corn picking machine : en fr
  • US2268608A - Lubricants : en
  • US2268836A - Motor vehicle accessory : en
  • CA401972A - Bowling pin setting apparatus : en fr
  • US2269131A - Detonation suppressor for internal combustion engines : en
  • US2269060A - Tempering of hollow glass articles : en
  • DE715688C - Synthetic resin jacket for the bearings of shafts : de en
  • US2269362A - Roller skate attachment : en
  • USD131021S - Design fob a line blind : en
  • USD131027S - Design for a conduit receptacle or similar article : en
  • DE715703C - Process for the production of coating agents : de en
  • DE715892C - Automatic ball coupling : de en
  • US2268672A - Selective amplifier : en
  • US2268773A - Ring traveler : en
  • US2269276A - Carburetor : en
  • US2268839A - Wheel disk and assembly : en
  • CA402082A - Flexible coupling : en fr
  • AU439240A - Aeroplane bomb : en
  • US2268667A - Refrigeration apparatus for trucks and trailers : en
  • US2268926A - Cigarette package : en
  • USRE21994E - Method of hair waving : en
  • US2268912A - Time delay mechanism : en
  • US2269169A - Process for coating supports : en
  • USD130992S - Design for a liquid dispensing unit : en
  • GB542456A - Improved food storage receptacle for refrigerators : en
  • US2269167A - Welding flux : en
  • DE715630C - Aluminum saucepan with a base reinforced with pressed-on supports : de en
  • DE715725C - Device for lighting solid fuels : de en
  • DE715764C - Radio receiver with automatic mechanical tuning by means of push buttons : de en
  • DE715981C - Testing device for fuel injection valves and nozzles from internal combustion engines : de en
  • DE715873C - Electrolytic water decomposer : de en
  • DE715870C - Tilting saddle on tables for paper cutting machines : de en
  • DE715975C - Device for introducing thermocouples in high pressure vessels for the pressure hydrogenation of coal and other fuels : de en
  • FR868614A - Snap-release coupling for internal combustion engine ignition devices : en fr
  • GB542337A - Improvements in wire mesh mattresses : en
  • DE715486C - Isolation vessel for liquefied gases : de en
  • DE715929C - Process for the esterification of cellulose with organic acids while maintaining the fiber structure : de en
  • GB542363A - Improvements in or relating to the manufacture of graphite electrodes : en
  • US2268554A - Winding : en
  • US2268643A - Frequency modulation distance finder : en
  • US2268654A - Means for marking lenses and similar articles : en
  • US2269258A - Target rifle range : en
  • CA401960A - Calculating and accounting machine : en fr
  • CA402035A - High frequency inductance coil : en fr
  • GB542355A - An improved mat or screen for protection against aerial bombardment, explosions or moving debris : en
  • FR868517A - Support sleeves for rotary spindles of machine tools : en fr
  • US2268862A - Vertical conveyer : en
  • US2268775A - Drill bit : en
  • US2269089A - Knitted fabric : en
  • DE715535C - Air heating for motor vehicles : de en
  • US2269318A - Injector : en
  • DE1512689U - : de en
  • AT160763B - Control device for the pressure medium of a switching device for change gears, in particular of motor vehicles. : de en
  • GB542459A - An obturator pad for reducing to a minimum the gap between an axle and axle box : en
  • US2268991A - Conveying apparatus : en
  • US2269135A - Electric cutout : en
  • CA401991A - Frequency multiplier : en fr
  • CA402094A - Casting material delivery apparatus : en fr
  • US2269415A - Abrasive article and method of making the same : en
  • CA402115A - Rubber ribbon thread separating apparatus : en fr
  • US2269044A - Truss : en
  • DE715753C - Additional device for processing dough, especially when preparing foams : de en
  • CA401990A - Meter magnet protection : en fr
  • DE715727C - Protective housing for arc welding : de en
  • CA402016A - Textile fibre treating apparatus and elastic yarn manufacture : en fr
  • US2269092A - Container : en
  • US2268713A - Fixture for electric lights : en
  • US2268913A - Lead pigment : en
  • US2269264A - Swing lock fastener : en
  • US2269164A - Coin-controlled vending machine : en
  • DE715645C - Process for obtaining shrink-free piece goods made from vegetable fibers : de en
  • DE715995C - Circuit arrangement for telephone systems in which two- and four-wire lines are connected to each other via power amplifiers : de en
  • US2269232A - Pen : en
  • CA401943A - Straw bundler : en fr
  • US2268814A - Anthrapyridone compound and material colored therewith : en
  • USD131011S - Design for an ash tray : en
  • GB542385A - Improvements in or relating to aerial barrages : en
  • US2269281A - Power unit : en
  • USD131032S - Design for a cot or analogous article : en
  • USD131037S - Design for a shoe heel : en
  • CA402119A - Toy : en fr
  • US2268837A - Modulator arrangement : en
  • US2269000A - Production of nitrates from nitric acid and chlorides : en
  • US2268941A - Fly guard for screen doors and like : en
  • US2269250A - Alkylation of hydrocarbons : en
  • US2268576A - Screw type connection for connecting stem members and bored members : en
  • US2268770A - Bearing : en
  • US2269314A - Electrical connector : en
  • US2269342A - Inflatable rubber goods : en
  • US2268706A - Apparatus for refining lubricating oils : en
  • DE715772C - Device for heating and subsequent cooling (quenching) of glass sheets : de en
  • FR868644A - Plug-in junction box : en fr
  • US2268675A - Electric toaster : en
  • US2269222A - Railway traffic controlling apparatus : en
  • GB542356A - Improvements relating to electronic amplifiers : en
  • GB542364A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • CA401948A - Radiator : en fr
  • CA402067A - Protected metal article : en fr
  • GB542369A - Improvements relating to jigs : en
  • DE715839C - Unterriemchenstreckwerk : de en
  • US2269036A - Summer-winter air conditioning control system : en
  • US2268617A - Method of making copper clad wire : en
  • US2268945A - Stroke adjuster : en
  • US2269144A - Communication system : en
  • FR868541A - Gaseous fuel metering device for supplying internal combustion or combustion engines : en fr
  • US2268833A - Pressing machine pad : en
  • US2268883A - Concrete form tie : en
  • US2268898A - Fluid motor : en
  • USD131033S - Monoscofe electrode plate : en
  • DE715846C - Production of organic sulfur compounds : de en
  • US2269356A - Automatic lighter : en
  • US2268564A - Process of producing cellulose derivatives : en
  • US2269020A - Variable speed power transmission : en
  • DE715791C - Two-part oar for rowing in the face direction : de en
  • US2268848A - Apparatus for making strings : en
  • US2269313A - Method of making double walled articles and the like : en
  • FR868593A - Improved method and apparatus for the production of sheets or webs of glass silk : en fr
  • DE715790C - Control valve, especially for single-chamber brakes in trailer vehicles : de en
  • GB542346A - Improvements in and relating to shoes and boots : en
  • US2268749A - Watch stem bushing : en
  • US2269163A - Process for dehydrating aliphatic acids by a combined extraction-distillation method : en
  • DE715938C - Display device for overcurrent switch : de en
  • GR9740B - KITCHEN AND REFRIGERATOR APPLIANCE. : el en
  • US2269160A - Dynamoelectric machine : en
  • FR868587A - Plate straightening machine : en fr
  • DE715955C - Process for the production of a sealing ring, which consists of three spring-loaded segments with mutually touching, approximately tangential to the bore end faces, the height of which decreases continuously over the entire length of the segment : de en
  • DE715984C - Steering device for sprung vehicle steering cranes : de en
  • US2269371A - Food dispenser : en
  • DK59376C - Agricultural wagon. : da en
  • USRE21992E - Refining of animal and vegetable : en
  • FR868536A - Improvement in processes for the use of acetylene as a fuel : en fr
  • GB542345A - Improvements in or relating to telephone systems : en
  • GB542333A - Improvements in machines for harvesting root crops : en
  • DE715636C - Rust fungus repellant : de en
  • CA402099A - Door latch : en fr
  • FR868589A - Ribbon body : en fr
  • US2268759A - Method of making tiles : en
  • US2269398A - Circular knitting machine : en
  • FR868525A - Process for disintegrating a raw material with a view to obtaining a spinning solution : en fr
  • GB542334A - Improvements relating to rotary fluid pumps : en
  • DE715363C - Headlights : de en
  • US2268835A - Miter box : en
  • DK59371C - Cleaver for generator firewood and the like in certain lengths sawn pieces of wood. : da en
  • AU114476B2 - Aeroplane bomb : en
  • DE715663C - Filter system for liquids : de en
  • GB542403A - Manufacture of hydroxymethylene-malonitrile and derivatives thereof : en
  • US2268737A - Heat control system and means : en
  • US2269151A - Electric control circuits : en
  • DE715980C - Lift and lower circuit for DC motors : de en
  • CA402005A - Tension control system : en fr
  • US2268828A - Tape-controlling means : en
  • USRE21993E - cunningham : en
  • US2268844A - Steerable antenna system : en
  • US2269084A - Internal combustion engine : en
  • US2268923A - Combined ground working and soil pulverizing machine : en
  • US2269339A - Circuit interrupter : en
  • US2269064A - Power feed mechanism for machine tools : en
  • US2269065A - Surgical splint : en
  • USD131010S - Desigin fob a eoof ventilator : en
  • CA401980A - Autographic register pin feed device : en fr
  • DE715684C - Process for the manufacture of objects from synthetic resin : de en
  • US2269244A - Tire : en
  • US2269358A - Motor driven razor : en
  • US2269133A - Buffing machine : en
  • US2268653A - Apparatus and process for purifying airplane engine oil : en
  • US2269315A - Process for the removal of metallic elements from water : en
  • US2269368A - Hydraulic feeding mechanism : en
  • CA402114A - Expansion joint : en fr
  • US2269172A - Apparatus and process for storage of dry ice : en
  • US2269273A - Apparatus for predrying of waste fuel in furnaces : en
  • DE715943C - Electric lamp operated with compressed air, especially for mining operations : de en
  • US2268681A - Advertising door brace : en
  • US2269406A - Plumber's snake housing shell : en
  • DE715692C - Device for straightening disk-shaped mass parts : de en
  • DE715883C - Split mold for the manufacture of steel aircraft bombs : de en
  • FR868628A - Screw-in device with overload coupling, loaded by one or more springs : en fr
  • CA402027A - Storage battery negative plate : en fr
  • CA402108A - Stock quotation transmitting and receiving system : en fr
  • US2269380A - Overalls : en
  • US2268592A - Dispensing container : en
  • US2269308A - Toggle mechanism for presses : en
  • DK59372C - Magasing gramophone for records of different sizes. : da en
  • FR868606A - Pressurized liquid delivery device for aircraft brake installations : en fr
  • FR868637A - Cabinet for electrical appliances : en fr
  • DK59361C - Safety clamp for Gashaner. : da en
  • USD131003S - Design foe a fan : en
  • CA402059A - Mirror manufacture : en fr
  • US2268869A - Bearing member : en
  • AT160761B - Setting device for radios or the like with an arbitrarily ordered sequence of station names. : de en
  • AU433940A - Improvements in and relating to magnesium alloys : en
  • DE715799C - Method and device for cutting endless thread bands, in particular endless synthetic thread bands : de en
  • DE715912C - Television image splitter with a Braun tube that is used to write an unmodulated line grid : de en
  • US2268574A - Drilling apparatus : en
  • US2268652A - Means for separating particles of : en
  • FR868640A - Receiver mounting : en fr
  • US2268753A - Juice extractor : en
  • USD131047S - John lagana : en
  • US2269022A - Telephone system : en
  • US2269031A - Tank bleeder valve : en
  • US2269241A - Terminal conductor : en
  • US2269224A - Method of welding : en
  • CA401986A - Dynamo electric machine ventilation : en fr
  • AU276840A - Coupling ofan eneragising stage toa modulating stage by an impedance inverting network : en
  • DE715947C - Magnetic core composed of individual magnetic sheets coated with an aluminum oxide layer : de en
  • US2269188A - Fastener : en
  • FR868616A - Lead-acid accumulator : en fr
  • GB542410A - Improvements in method of production of powdered alloys or carbides : en
  • FR868645A - Electric switch control mechanism for the emission of pulses : en fr
  • GB542396A - Grinding wheel : en
  • US2268895A - Conveyer switch : en
  • US2269361A - Code calling system : en
  • FR868650A - Balanced input circuit for amplifiers coupled in opposition : en fr
  • US2268646A - Amusement device : en
  • US2269214A - Shoe binding and the like : en
  • US2268620A - Insoluble ammonia-hydrocarbon dihalide condensation products : en
  • US2268739A - Line drier : en
  • US2268793A - Truck : en
  • US2268887A - Centering device for pay-off reels : en
  • DK59373C - Stamping or Franking machine. : da en
  • DE715986C - Process for the production of calcium aluminate cement : de en
  • US2269090A - Tensioning tool : en
  • CA401965A - Stabilized insecticide : en fr
  • DE715884C - Device for producing fine spinnable glass threads : de en
  • DE715935C - Arrangement for the remote control of switching devices in substations : de en
  • GB542426A - Improved manufacture of castings high in zirconia : en
  • DE715993C - Device to increase the adhesion between the rail vehicle drive wheels and the rails : de en
  • FR868530A - Electric detonator : en fr
  • CA401952A - Electric flow meter : en fr
  • US2268986A - Method and apparatus for drying printing ink : en
  • US2269345A - Permanent magnet : en
  • US2268541A - Artificial fish bait : en
  • US2269411A - Motor control circuit : en
  • US2268573A - Rock drill : en
  • US2268584A - Ornamenting machine : en
  • US2269102A - Refrigeration : en
  • AU439440A - Method of locating mineral oil deposits : en
  • US2268728A - Shearing mechanism : en
  • US2269177A - Enclosed electric wiring system : en
  • US2269189A - Fluid pump : en
  • DE715916C - Device for determining the uneven load distribution that occurs as a result of the elastic change in shape of loaded machine and structural components : de en
  • CA402120A - Cellulosic thread, etc. : en fr
  • US2269049A - Fan : en
  • US2268981A - Die : en
  • GB542421A - Improvements in multi voltage electric supply systems : en
  • DE715706C - Fan screw for turning grainy goods, especially barley and malt : de en
  • US2268648A - Treatment of artificial filaments, yarns, and other materials made of cellulose derivatives : en
  • DE715809C - Transmitter device for ratio current receiver : de en
  • US2268614A - Can end assembling machine : en
  • US2268789A - Combination water and room heater : en
  • US2268821A - Ash tray : en
  • US2269171A - Electric switch : en
  • FR868596A - Rennet manufacturing process : en fr
  • US2268596A - Dispensing apparatus : en
  • FR868543A - Carburetor for internal combustion engines powered by compressed gases: lighting gas, hydrogen, acetylene, etc. : en fr
  • DE680677C - Device for the execution of the process for the production and post-treatment of endless artificial fiber strands in a continuous operation : de en
  • GB542408A - Improvements in or relating to electrode biassing arrangements in high frequency apparatus : en
  • DE715671C - Road roller with self-adjusting roller wheels : de en
  • DE715724C - Resistance point or seam welding machine with a turret head carrying several electrodes : de en
  • DK59374C - Locking device for cattle binders. : da en
  • AU114452B2 - Gyratory screen : en
  • GB542394A - Improvements relating to electrical installation junction boxes : en
  • DE715715C - Process for the production of refractory building materials rich in magnesium orthosilicate : de en
  • FR868585A - Device for adjusting the timing of ignition in internal combustion engines : en fr
  • US2269282A - Mineral oil composition : en
  • CA401999A - Photographic objective : en fr
  • US2269197A - Grinding and polishing apparatus : en
  • FR868591A - Improvements to gas cleaning in wood-burning gasifiers : en fr
  • DE715643C - Equipment for loading slewing excavators and slewing cranes running on crawlers : de en
  • FR868537A - New liquid fuel for internal combustion engines : en fr
  • DE715869C - Process for utilizing the fine coal resulting from the extraction of hard coal : de en
  • US2269233A - Electrical conductor : en
  • US2269294A - Power control : en
  • US2268816A - Apparatus for preparing phosphatic fertilizers : en
  • US2269231A - Rock or mineral wool manufacture : en
  • US2268771A - Collapsible drape stand : en
  • US2268851A - Laundry tub : en
  • CA402081A - Printing telegraph apparatus : en fr
  • CA402054A - Damming attachment : en fr
  • AT160769B - Device for performing multiplications. : de en
  • DE715822C - Process for the production of anhydrous, therapeutically effective heavy metal oleosols or heavy metal oxide oleosols : de en
  • AU51741A - Improvements relating to electrolytic condensers : en
  • DE715763C - Telephone system with coin telephones : de en
  • AT160762B - Process for the preparation of androsten- (5) -ol- (3) -one- (17) or androsten- (5) -diol- (3.17) or their stereoisomers or their esters. : de en
  • DE715720C - Circuit breaker with remote release : de en
  • DE715946C - Ignition device for vacuum discharge vessels with liquid cathode : de en
  • US2268633A - Coffee maker : en
  • CA401995A - Film handling apparatus : en fr
  • CA402063A - Luminescent screen : en fr
  • USD131038S - Design fob a shoe heel : en
  • US2269050A - Chimney cap : en
  • US2269369A - Process and device for electric arc welding : en
  • US2269212A - Bag with channeled frame : en
  • US2269338A - Flash-producing system : en
  • US2269374A - Apparatus for measuring the distance of an airplane above the earth : en
  • CA401944A - Life preserver belt : en fr
  • CA402110A - Acetic anhydride : en fr
  • US2269324A - Light responsive apparatus for controlling linear voltage : en
  • USD130997S - Design for a fountain pen point : en
  • USD131007S - Carlson bottle rack : en
  • CA402065A - Discharge device resonant circuit phase control : en fr
  • CA401954A - Roof : en fr
  • US2268994A - Syringe ampoule : en
  • US2269251A - Lid support : en
  • US2269301A - Mixing machine implement or tool : en
  • US2268978A - Apparatus for recovering sulphur : en
  • DE715648C - Brake circuit for electric tram vehicles : de en
  • DE715798C - Process for making shaving soap : de en
  • GB542324A - Improvements relating to crucibles or melting pots : en
  • GB542441A - Improvements in or relating to methods of preparing compounds of phenolphthalein and the improved compounds produced thereby : en
  • DE715832C - Process for the production of a paper filler and size : de en
  • DE715930C - Process for the preparation of p-acylaminoacylbenzenes and -aminoacylbenzenes : de en
  • US2268641A - Reed for musical instruments : en
  • US2269181A - Gas turbine driven supercharger : en
  • US2269145A - Stabilized ergot alkaloid preparation : en
  • CA402098A - Flat article handling and conveying mechanism : en fr
  • US2269227A - Short range electrical measuring apparatus : en
  • DE715937C - Small self switch : de en
  • US2268692A - Loading and unloading conveyer apparatus : en
  • US2268879A - Extensible table : en
  • US2269140A - Modulation circuit organization : en
  • US2269153A - Distillation apparatus : en
  • FR868609A - Device for influencing aerodynamic conditions on the impact current side of coated bodies, especially aircraft power plants : en fr
  • GB542434A - Improvements in or relating to the polymerisation of butadienes-1.3. : en
  • DE715872C - Process for the production of concentrated hydrochloric acid from the vapors developed during the vacuum distillation of liquids containing hydrogen chloride : de en
  • US2268985A - Method and apparatus for drying printing ink : en
  • USD131001S - Design for an upholstered cedar chest : en
  • CA402092A - Electric precipitator electrode rapping mechanism : en fr
  • DE715656C - Transverse drive body with devices for influencing the transverse drive by blowing out air : de en
  • US2268733A - Pneumatic safety control for presses : en
  • US2268992A - Athletic shoe cleat : en
  • US2268575A - Lubrication : en
  • US2268715A - Method of reconditioning rock drill bits : en
  • US2269034A - Broadcast switching system : en
  • US2269255A - Countersink : en
  • DE714343C - X-ray device for diagnostic purposes with a common primary winding on the high-voltage and glow current transformer : de en
  • DE715627C - Nebulizer : de en
  • DE715786C - Ventilation valve for the storage tank of pressure fluid for brake systems in aircraft : de en
  • FR868621A - Cooled injector valve : en fr
  • DE715808C - Reflection-free skylights for halls or industrial plants for air protection purposes : de en
  • DE715833C - Artificial lung : de en
  • DE715853C - Monitoring device for liquid-filled electrical devices : de en
  • US2268712A - Means for taking pictures in the third dimension : en
  • US2268761A - Zone temperature control system : en
  • USD130993S - Design for a dental forceps : en
  • US2268555A - Hatmaking machine : en
  • DE715683C - Slice distributor : de en
  • FR868577A - Lockable door handle, especially for motor vehicles : en fr
  • DE715701C - Bullet fastening for cartridges : de en
  • AT160768B - Device for gasification of wood, peat, etc. Like., In particular for the operation of suction gas engines. : de en
  • DE715828C - Ball joint : de en
  • US2268830A - Discharge tube arrangement : en
  • US2268980A - Web tension apparatus : en
  • US2268572A - Rock drill : en
  • USD130996S - Design for a laundry bag rack : en
  • US2268900A - Bottle washer : en
  • CA402095A - Fastener lock slider : en fr
  • US2269283A - Stoker : en
  • US2268882A - Relay : en
  • DE715844C - Process for dewatering peat : de en
  • DE715696C - Method and device for producing photographic wedges, in particular with ultra-short time exposure : de en
  • CA401930A - Paper corner mount : en fr
  • CA401978A - Propeller drive : en fr
  • US2269061A - Dental articulator : en
  • US2269312A - Optician's measuring instrument : en
  • DE713329C - Hand knife with thumb rest on the side : de en
  • DE715633C - Process for treating rubber : de en
  • DE715924C - Seat arrangement, especially for motor vehicles : de en
  • DE715837C - Device for additionally turning a fuse when placing it in a rotating pot : de en
  • US2268742A - Variable inductance device : en
  • GB542446A - Improvements relating to the treatment of woollen or worsted fabrics : en
  • US2268819A - Waste and overflow valve : en
  • US2268921A - Double gripper cylinder : en
  • US2268842A - Furniture : en
  • US2269298A - Potato digging machine : en
  • USD131029S - Design for a tool case : en
  • US2268868A - Bearing member : en
  • FR868554A - Adjustable drive mechanism with discontinuous movement : en fr
  • US2268973A - Lock : en
  • CA402037A - Harvester grain pan : en fr
  • FR868551A - Sugar substitute and its manufacturing process : en fr
  • FR868590A - Continuous furnace for the treatment of objects in a protective gas atmosphere : en fr
  • US2269367A - Rubber valve stem for pneumatic tires : en
  • CA401963A - Brake mechanism : en fr
  • CA401993A - Photographic apparatus : en fr
  • CA402022A - Thermionic valve circuit : en fr
  • US2269330A - Counter : en
  • CA402038A - Wire strapping tool : en fr
  • US2268661A - Tube mill : en
  • US2269096A - Cement powders and method of producing acidproof mortars therefrom : en
  • US2269194A - Electric heater : en
  • US2269240A - Recording instrument : en
  • DE715013C - Device for the slowed conveyance of the degraded material through transport channels : de en
  • GB542404A - Power supply arrangements for thermionic amplifiers : en
  • DE715717C - Process for the preparation of the dicalcium salt of natural creatine phosphoric acid : de en
  • CA402116A - Drying oil : en fr
  • US2269085A - Cleaning condensable fiber : en
  • USD131039S - Design for a shoe heel : en
  • DE715957C - Method for producing an imitation Haekel tooth edging on lockstitch zigzag sewing machines : de en
  • GB542378A - Improvements in machines for filling bottles and like containers : en
  • USD131015S - Design fob a flagstaff : en
  • US2268915A - Method and material for detoxifying local anesthetics : en
  • DE715641C - Facility for showing orthostereoscopic cinema sound films : de en
  • USD131016S - Design fob a mute fob a wind musical instrument : en
  • DE715804C - Calculating machine combined with a card printing and (or) punching device : de en
  • US2268543A - Method of assembling fluid operated pumps : en
  • US2269405A - Method and apparatus for winding coils : en
  • GB542462A - Improvements in elastic fluid turbines : en
  • DE715831C - Stand drill with a support device that can be rotated around the stand in a horizontal plane : de en
  • DE715945C - Arrangement for setting any freezing temperatures in cold traps, especially in cold traps that are used for the production of gas-filled electrical discharge vessels : de en
  • DE715709C - Electric flashlight with reflector, which can be swiveled by means of a pivoting piece mounted without an axis in a section of the housing head : de en
  • DE715815C - Process for the production of tetrahydrofurans : de en
  • CA402102A - Windshield wiper mechanism : en fr
  • GB542419A - Improvements relating to carriages for typewriting machines : en
  • DE715857C - Shake slide motor : de en
  • US2268850A - Variometer : en
  • CA402123A - Cellulose derivative : en fr
  • DE715666C - Process for the preparation of primary alcohols of the cyclopentanophenanthrene series : de en
  • DE715778C - Two-stroke internal combustion engine : de en
  • CA401962A - Prime mover control system : en fr
  • DE715974C - Tool container : de en
  • US2269052A - Nutcracker : en
  • US2269239A - Railway traffic controlling apparatus : en
  • US2269325A - Translucent element and locking means therefor : en
  • USD131004S - Design for a dress : en
  • US2268747A - Bath mat : en
  • DE715714C - Electrically operated toy vehicles, in particular electric toy trains : de en
  • GB542402A - Improvements relating to the supply of sump vapours to the induction pipes of internal combustion engines : en
  • CA402086A - Garment pressing machine : en fr
  • US2269349A - Cooking range : en
  • CA401927A - Clock controlled switch : en fr
  • US2268843A - Furniture construction and method : en
  • DE715817C - Rectifier circuit for ultra-short waves : de en
  • DE715903C - Device on wide looms for correct, straight re-adjustment of the web : de en
  • AT160744B - Process for cleaning, separating and concentrating colloidal dispersions. : de en
  • GB542397A - An improved method of joining electric cables : en
  • US2268647A - Composition and process for the treatment of sewage and waste material and sludges therefrom : en
  • FR868625A - Hand-held sprayer for spraying paint or similar liquids : en fr
  • US2268795A - Money compartment envelope : en
  • DE715629C - Double bed frame made up of two single bed frames with only one middle wall : de en
  • US2268790A - Voltage stabilizing device for electric supply systems : en
  • DE715760C - Process for the preparation of sulfonamides of the indole series : de en
  • DE715787C - Suspension of motor vehicles : de en
  • DE715898C - Slaughter spreader : de en
  • FR868529A - Electric blasting process : en fr
  • FR868595A - Improvements to laminated transmission belts : en fr
  • US2268745A - Bearing retaining means : en
  • US2269010A - Method of manufacturing stemmed glassware : en
  • DE715805C - Device for removing non-ferrous metals from iron clad therewith : de en
  • US2269307A - Method of and apparatus for separating composite material into its components : en
  • US2269351A - Mechanical movement : en
  • US2269137A - Apparatus for treating tires : en
  • US2269270A - Phonograph recorder : en
  • US2269373A - Remote control for serial cameras : en
  • US2269114A - Cable terminal : en
  • GB542422A - Improvements in aircraft : en
  • US2268714A - Tool sharpening and gauging machine : en
  • US2269388A - Extrusion molding machine : en
  • DE715967C - Shipping box for show figures : de en
  • US2268709A - Process of making soles : en
  • US2269095A - Game : en
  • DE715940C - Method and device for the dust-proof storage, transport and unloading of wire coils for electric light bulbs or discharge vessels : de en
  • DE715678C - Process for the elimination of phosphorous hydrogen from gases, especially acetylene : de en
  • DE715767C - Voting indicators, especially for radio receivers : de en
  • FR868522A - Phenol or cresol based pressing resins : en fr
  • US2268813A - Hum reduction carrier system : en
  • DE715658C - Shirt whose collar is detachably connected to the collar of the shirt : de en
  • GB542439A - Improvements in or relating to power transmissions for driving vehicles : en
  • USD130999S - Design fob a fountain pen : en
  • DE715774C - Ring-shaped holder with handle for drinking vessels : de en
  • DE715820C - Process for the production of Kuepen dyes : de en
  • DE715880C - Flexible, electric heaters, in particular heating pads : de en
  • DE715737C - Silencer for the exhaust of internal combustion engines : de en
  • DE715752C - Process for dipping pipes and lining the inside of the pipe with a bituminous compound : de en
  • GB542319A - Improvements relating to the production of sulphonamide compounds : en
  • CA402066A - Arc starting electrode : en fr
  • FR868632A - Camera having a light meter coupled with it : en fr
  • GB542376A - Improvements relating to reciprocating screens : en
  • DE715843C - Process for the production of curled textile threads : de en
  • DE715954C - Shake test stand with adjustable amplitude and number of vibrations : de en
  • US2269136A - Resistance device and process for making same : en
  • DE715631C - Arrangement for regulating the audibility and tone formation in closed rooms : de en
  • DE715835C - Firearm : de en
  • DE715875C - Circuit arrangement for the separation of synchronization pulses and image content, which are distinguished by different amplitude ranges and are transmitted on the same carrier shaft : de en
  • GB542350A - Improvements in and connected with the chassis members of vehicles : en
  • FR868523A - Process for the preparation of phenolic resins : en fr
  • GB542455A - Improvements relating to telephone systems : en
  • DE715866C - Circuit arrangement for issuing an alarm from a central point via a large number of double lines : de en
  • GB542326A - Improvements in or relating to the production of artificial filaments : en
  • DE715972C - Hose connection for pneumatic hammer : de en
  • FR868564A - Polyvinyl products and their applications : en fr
  • GB542338A - Improvements in manufacture of leather articles : en
  • DE715775C - Device for debarking round wood : de en
  • US2269363A - Collapsible structure : en
  • DE715813C - Plate leveler : de en
  • US2268872A - Variable frequency oscillation generator : en
  • US2269053A - Air conditioning system : en
  • US2269418A - Means for lining tunnels or subterranean passages : en
  • GB542391A - Improvements relating to the electro-pneumatic control of apparatus operated by fluid under pressure : en
  • US2269352A - Woodcutting machine : en
  • US2269379A - Teletypewriter switching system : en
  • DE715970C - Self-releasing torque wrench : de en
  • CA402012A - Venetian blind tilting mechanism : en fr
  • CA402015A - Electric welding system : en fr
  • US2268722A - Railway car jack : en
  • US2269376A - Diffuser for the outlets of air ducts : en
  • US2269329A - Belt buckle : en
  • US2268780A - Water-soluble sulphapyridine derivative and process of making it : en
  • US2268984A - Busy line recorder : en
  • US2269079A - Arrangement for amplifying electric oscillations : en
  • US2268600A - Insert gathering : en
  • US2269162A - Timing device : en
  • US2269215A - Vehicle change-speed gear : en