• USD112981S - Design for a cabinet for a piano or : en
  • AT155482B - Scarecrow with a pinwheel ratchet mounted on a support rod. : de en
  • AT155487B - Bicycle lock. : de en
  • US2144886A - Electric furnace : en
  • CA379076A - Suction nozzle : en fr
  • USD113027S - Design for a pressure cooker : en
  • DE670800C - Process for preparing tin, manganese, iron, tantalum or niobium or starting materials containing both : de en
  • GB499321A - Improvements in or relating to water closets : en
  • US2144624A - Machine for separating shoes from lasts : en
  • US2145207A - Perforating machine : en
  • USD113007S - Design for a bedspread : en
  • US2145071A - Photograph jewelry : en
  • USD113100S - Design for a dress : en
  • DE670750C - Cinema recorder with cassette : de en
  • US2144604A - Combined protractor and trammel instrument : en
  • AT155452B - Door hinge with a rotatable hinge part that can be moved transversely to the axis of rotation. : de en
  • GB499434A - Improvements in or relating to cutter blades and the method of making them : en
  • GB499561A - Alloy steel : en
  • AT155486B - Vehicle with horizontal multi-cylinder internal combustion engines arranged under the vehicle floor. : de en
  • US2144710A - Gain adjusting apparatus : en
  • US2145015A - Dry disinfecting composition and method of making the same : en
  • US2144992A - Mordant azo dyestuffs and a process for making same : en
  • US2145008A - No-roll back mechanism : en
  • US2145099A - Book protector : en
  • USD113019S - Design fob an airplane : en
  • AT155441B - Device for laying pipes for heating purposes in buildings. : de en
  • DE670778C - Device for robbing stamps : de en
  • DE670663C - Paper bag with tear strips : de en
  • US2144746A - Apparatus for measuring distances and indicating routes on maps or charts : en
  • US2144871A - Gathering mechanism for loading machines : en
  • US2144932A - Recovery of silver from argentojarosite : en
  • CA379070A - Composite fabric : en fr
  • DE670723C - Circuit arrangement to achieve the effect of deadened oscillation circuits in a filter circuit : de en
  • DK55732C - Fully or semi-automatic Telephone System. : da en
  • AT155497B - Liquid heater. : de en
  • GB499497A - Improvements in closures for jars, bottles, cans and like containers : en
  • GB499534A - Improvements in or connected with cash-registers and like sales recording machines : en
  • FR836875A - Substantive polyazo dyes and their manufacturing process : en fr
  • DE670819C - Cooling device for the runners of long turbo generators : de en
  • GB499533A - Improvements in or relating to overload tripping devices for automatic circuit breakers or similar electrical switchgear : en
  • AU106360B2 - Potato digging machine : en
  • DE670724C - Casting mold for aluminum and magnesium alloys : de en
  • GB499812A - Improvements in mechanism for inter-converting rotary and reciprocating motion : en
  • AT155469B - Process for the preparation of 1.5.5-trisubstituted barbituric acids. : de en
  • DE670740C - Control device for small electric motors for razors : de en
  • GB499364A - Bogie for railway vehicles : en
  • DE670849C - Shoe spoon attached to the shoe : de en
  • AU268438A - A process of and apparatus forthe continuous mixing of substances : en
  • CA379164A - Sulphur recovery : en fr
  • CA379072A - Vacuum cleaner : en fr
  • US2144824A - Process of reducing the felting properties of wool or other fibrous substances of animal origin : en
  • US2145105A - Electric incandescent lamp and similar device : en
  • GB499478A - An improved process for artertreating viscose artificial silk : en
  • US2144853A - Vacuum power control apparatus : en
  • US2144983A - Method of manufacturing koji nutriment : en
  • US2145209A - Heater : en
  • CA379101A - Oil purification : en fr
  • US2144680A - Package for razor blades and the like : en
  • AT155465B - Method and device for the deposition of a coating on a support. : de en
  • FR836833A - Process for improving zinc alloys : en fr
  • GB499670A - Improvements in the art of carroting fur and like fibre : en
  • DE659737C - Permanent wave device for flat winding : de en
  • US2144768A - Cleaning device for winding machines and the like : en
  • US2145171A - Treatment of austenitic steels : en
  • USD113092S - Design fob a man s shirt collar : en
  • GB499319A - Improvements in or relating to core devices for use in casting or moulding : en
  • GB499455A - Improvements in thimble tube boilers and water heaters : en
  • DE670968C - Process for the preparation of 2-alkylhexahydrobenzothiazoles and 2-alkylhexahydrobenzoselenazoles : de en
  • CA379092A - Bob sleigh : en fr
  • US2145147A - Photoelectric measuring apparatus : en
  • DE670817C - Electromotive drive for winding devices : de en
  • US2144953A - Bronze or metallic paste pigments : en
  • CA379067A - Composite fabric : en fr
  • GB499460A - Improvements in and in the method of manufacturing collapsible metallic tubes : en
  • US2145227A - Automatic control : en
  • US2144677A - Crepe thread and fabric : en
  • US2144715A - Agitator drive means for liquid containers : en
  • DE670895C - Device for washing dishes, laundry or the like. : de en
  • CA379138A - Lamination process : en fr
  • DE670799C - Process for the production of middle layers for plywood, which consist of corrugated veneer : de en
  • FR836775A - New fluid for brakes, servo-brakes or shock absorbers : en fr
  • DE670875C - Pressure cylinder of a fluid brake for motor vehicles : de en
  • DK55736C - Incandescent lamp with several incandescent wires. : da en
  • FR836679A - Culottes : en fr
  • DK55739C - Procedure for Purifying Oily Oils. : da en
  • GB499646A - Improved means for effecting automatic control of the valves of water-gas generators : en
  • GB499821A - Improvements relating to telephone systems : en
  • GB499629A - Improvements in or relating to film gates for cinematographic apparatus : en
  • DE670851C - Window screen, consisting of a protective shield-like steel plate with slots covered to protect against projectile fragments : de en
  • DE670729C - Cleaning and loading tube for blast holes : de en
  • FR836879A - Oscillating piston straw baler : en fr
  • FR836892A - Braking device for rock drill : en fr
  • FR836662A - Method and apparatus for sealing containers containing gas, more particularly gas-filled incandescent electric lamps : en fr
  • FR836665A - Complexes containing copper and derived from azo dyes of the stilbenic series and method of preparing these complexes : en fr
  • FR836872A - Crease-resistant and water-repellent fibrous materials and method of preparing such materials : en fr
  • GB499352A - Improvement in process of loading emulsions of hydrocarbons with fillers : en
  • DE670876C - Longitudinal frame connection to transverse bulkheads that go uninterrupted down to the bottom of the ship : de en
  • GB499559A - Improvements in manufacture of cellular-rubber or rubber-like material : en
  • GB499334A - Improvements in or relating to the production of pigmented compositions in organic vehicles : en
  • FR836797A - Arrangement for the installation and fixing of flexible surfaces, in particular for the constitution of opening roofs of bodywork and other applications : en fr
  • AU272338A - Improvements in or relating to ultrashort wave-receiving sets : en
  • GB499758A - Manufacture of gelatine reliefs for imbibition printing : en
  • GB499556A - Improvements in or relating to heat resisting steels and articles made therefrom : en
  • GB499616A - Rotary jar for use in well-drilling operation : en
  • DE670755C - Lock for right and left use : de en
  • DE670803C - Torsion spring clutch : de en
  • GB499414A - Improvements in shock absorbing devices : en
  • DK55734C - Procedure and Installation for Remote Tuning of a Radio Receiver. : da en
  • US2145083A - Time clock mechanism : en
  • GB499675A - Improvements in or relating to smokers' ash trays : en
  • GB499859A - Improvements relating to methods and apparatus for photographically composing text-matter : en
  • FR836658A - Support in insulating material comprising metal parts fixed to this support : en fr
  • FR836728A - Improvements made to manometers whose manometric tube is radially deformable : en fr
  • FR836842A - Electric gas discharge tubes : en fr
  • GB499694A - A tram-road system for road vehicles and road trains : en
  • US2144962A - Starting block : en
  • US2144760A - Excavator base and frame : en
  • US2144997A - Well swab : en
  • FR836774A - Sealing ring for pistons of engines, pumps and other applications, and its manufacturing process : en fr
  • GB499555A - Improvements in sighting devices for guns : en
  • DE670517C - Pulverized coal firing : de en
  • AU106365B2 - Improvements in high-pressure metal-vapour electric discharge lamps : en
  • US2145020A - Nickel-chromium alloys : en
  • US2144782A - Window structure : en
  • US2144861A - Fuel pump injector : en
  • FR836869A - Synthetic resins containing chlorine and their production process : en fr
  • GB499523A - Improvements relating to indicating apparatus for use in gun control : en
  • GB500114A - A method of preparing hard-metal alloys : en
  • CA379194A - Toilet tank lever mounting : en fr
  • FR836885A - Device for measuring the initial velocity of projectiles : en fr
  • FR836670A - Improvements in papermaking : en fr
  • FR836616A - Improvements to control systems for electric ovens : en fr
  • FR836828A - Floating sleeve bearing : en fr
  • GB499583A - Improvements in bust dividers : en
  • GB499331A - Improvements in or relating to electro-magnetically operated mechanism arranged for control by perforated records : en
  • GB499757A - Improvements in sinks : en
  • DK55748C - Bicycle handlebars. : da en
  • DE670937C - Surgical thread holder : de en
  • US2145072A - Telephoto apparatus : en
  • GB499723A - Improvements in or relating to means for packing and lubricating rotary shafts : en
  • GB499538A - Amplifier arrangement for television purposes : en
  • GB499614A - An improved time limit meter and indicator for use in respect of car parking : en
  • US2145187A - Building blocks for hollow walls : en
  • US2144758A - Telegraph printer : en
  • DE670664C - Arrangement to prevent the sideways run of fabric : de en
  • USD113053S - Design fob a jab ob similar : en
  • US2144658A - Multiple fountain pen : en
  • US2144826A - Conversion of hydrocarbon oils : en
  • GB499749A - Box-like appliance for holding potted plants, cut flowers and similar articles : en
  • GB499423A - Improvements in or relating to capsule closures for bottles, jars, or other like containers : en
  • AU106412B2 - Improvements in impulse repeating arrangements in telephone or like systems : en
  • GB499450A - Improvements in thermostatic elements : en
  • FR836656A - Improvements to electrical signaling systems : en fr
  • FR836753A - Freewheel hub for cycles, allowing quick and easy removal and interchange of drive wheel drive sprockets : en fr
  • GB499560A - Improved material for mens' and boys' suits and method of producing the same : en
  • US2144769A - Overload relief structure : en
  • US2145058A - Continuous production of polymerization products of acetylene : en
  • US2145081A - End coil reducing machine : en
  • FR836727A - Improvements made to articulated caps, more specifically for automobile radiators : en fr
  • FR836805A - Method and apparatus for indicating and adjusting frequencies and numbers of revolutions : en fr
  • GB499625A - Improvements in labels and the method of making the same : en
  • GB499672A - Improvements in table attachments for deck chairs : en
  • FR836705A - Manufactured products of rubber hydrochloride and processes for their manufacture : en fr
  • DE670761C - Waterless gas container : de en
  • FR836748A - Instant well : en fr
  • FR836768A - Volatile liquids distribution and metering installation : en fr
  • GB499570A - Improvements in and relating to electrodes for electric discharge devices and methodof making the same : en
  • DE670881C - Process for operating horizontal chamber furnaces for the production of gas and coke : de en
  • DE670972C - Pressure protection of the plate heat exchangers, which consist of flat intermediate plates and channel plates : de en
  • DE670979C - Changeable roller load for saw frames : de en
  • DE670831C - Production of alkali nitrates from alkali chlorides and nitric acid : de en
  • US2145117A - Speed-governing mechanism : en
  • CA379210A - Noiseless horseshoe : en fr
  • DE670855C - Process to improve the smoldering ability and ash formation of cigars : de en
  • US2144858A - Illuminated cane : en
  • USD112999S - Design for a color temperature : en
  • AU106357B2 - Effervescent milk of magnesia and method of producing same : en
  • US2144641A - Knee brace : en
  • US2145119A - Tempering glass articles : en
  • DE670864C - Device for proportional load distribution in the case of alternators working in parallel : de en
  • FR836631A - Electrical connection device : en fr
  • GB499429A - Improvements in or relating to venturi and pitot tubes for aircraft : en
  • DE670739C - Device for self-tuning of a blocking circuit equipped with a tuning mechanism for remote control systems : de en
  • US2145050A - Production of synthetic resins : en
  • US2145116A - Optical apparatus for indicating the position of a tool : en
  • GB499393A - Improvements relating to electromagnetically-operated switches : en
  • CA379193A - Metal shape casting method : en fr
  • USD113042S - Design fob a shower head : en
  • FR836678A - Automatic coupling for rail cars and wagons : en fr
  • DE670426C - Device for the automatic establishment of telephone connections : de en
  • CA12237S - Electric cooker : en
  • GB499860A - Improvements in television transmitting devices : en
  • US2144968A - Display device : en
  • US2144633A - Treatment of artificial fabrics and other artificial materials : en
  • FR836640A - Gas electric discharge tube : en fr
  • AT155488B - Locking device for vertically movable windows of vehicles. : de en
  • DE670703C - Revolving facing head for fine machining : de en
  • DE670898C - Material for the production of mass cores : de en
  • CA379094A - Polyvinyl acetal resin : en fr
  • US2144687A - Drilling apparatus : en
  • CA379178A - Petrol gauge and indicator : en fr
  • CA379122A - Telephone system : en fr
  • US2144817A - Milk can opening forming and pouring attachment : en
  • US2145229A - Wall structure : en
  • USD113031S - Design for a laundry cabinet : en
  • USD113068S - Design for a bedspread : en
  • DE670983C - Plow with a level coulter that rises at right angles to the direction of travel : de en
  • CA379205A - Grain separator and thresher : en fr
  • CA379197A - Windshield : en fr
  • DE670947C - Device for changing the axle pressures that occur when a pulling force is exerted on the draw hook in bogie locomotives with single-axle drives : de en
  • US2145033A - Camera dolly : en
  • US2145052A - Float-operated valve for allowing intermittent supply of liquid : en
  • USD113069S - Design for a bedspread : en
  • DE670721C - Circuit with an alternating current fed, gas-filled discharge tube with two glow electrodes, which are heated by the discharge current during normal operation and provided with an element for heating : de en
  • US2144899A - Method of manufacturing a tube : en
  • FR836624A - Swivel film holder for photographic enlargers : en fr
  • CA379199A - Dynamo core punching and winding machine : en fr
  • DE670688C - Control method for power converter systems working with gas or vapor discharge lines : de en
  • FR836619A - Manufacturing process for low carbon iron and chromium alloys : en fr
  • FR836716A - High pressure mercury vapor electric lamp : en fr
  • US2145163A - Electrical connection means : en
  • DE670704C - Grain mill with horizontal shaft and cone-shaped interlocking millstones : de en
  • FR836877A - Tube propulsion system with a slot closed by a ribbon-shaped member, with adaptations for application as a catapult : en fr
  • DE670869C - Device for indicating the filling or clogging of the dust collector of vacuum cleaners : de en
  • DE670860C - Switch combination, consisting of a pressurized gas circuit breaker operated with pressurized gas and an air cut-off switch in series : de en
  • US2145065A - Drawn brass bearing alloys : en
  • FR836668A - Dressings, in particular compresses for wounds and periodic bandages : en fr
  • GB499392A - Process for applying a coating of lacquer to flexible materials : en
  • FR836801A - Improvements to devices having tape, cable, wire or the like, unwinding from cylinders, rolls or the like : en fr
  • GB499710A - Improvements in railway trucks : en
  • GB499866A - Improvements in or relating to knitting machines : en
  • DE670902C - Weight or spring-loaded pressure reducing valve for several pressure lines : de en
  • US2144744A - Soot blower : en
  • US2144914A - Process for the production of metallic zinc : en
  • US2145046A - Method of forming axle housings : en
  • AT155454B - Baton. : de en
  • US2145047A - Fluid cleaner : en
  • US2144709A - Gain adjusting apparatus : en
  • US2144865A - Gain control circuits : en
  • US2145089A - Front wheel drive for automotive vehicles : en
  • US2144778A - Rectifier circuit arrangement for television purposes : en
  • US2145198A - Device for mechanically treating thixotropes : en
  • DE670768C - Process for the production of a bath salt suitable for the preparation of solar baths : de en
  • FR836743A - Buttonhole stapling process for stone and other sheet materials : en fr
  • GB499503A - Improved hinge mechanism for the moving or control surfaces of aircraft : en
  • GB499681A - Electron discharge devices : en
  • DE670986C - Nut lead screw : de en
  • DE670793C - Holding device for window hanging rods : de en
  • DE670976C - Hydraulically height-adjustable chair for doctors, hairdressers, etc. like : de en
  • US2145146A - Valve and control system therefor : en
  • US2144844A - Magnetic telegraphone : en
  • DE670832C - Process for the conversion of fatty acids into alcohols : de en
  • US2144734A - Combined motor and speed control device : en
  • AU106356B2 - Diode multiplier oscillator and coupling system : en
  • FR836609A - Window mechanism avoiding side jamming : en fr
  • US2145155A - Fuse cabinet : en
  • USD113078S - Design for a hose supporter : en
  • US2145215A - Joint for bath tubs and the like : en
  • FR836614A - Device for opening and closing bays and in particular ship hold doors : en fr
  • GB499521A - Container for dispensing materials : en
  • DE670901C - Automatic overpressure prevention valve for cold water pipes, hot water and heating systems : de en
  • DE670836C - Railway safety device, especially for automatic route block : de en
  • GB499549A - Lead alloys : en
  • GB499719A - Artificial slab or stone for building purposes : en
  • FR836769A - Differential crusher : en fr
  • US2144798A - Tinning compound : en
  • US2144956A - Mouse trap : en
  • US2145062A - Bleaching of cellulosic materials : en
  • US2144866A - Telephone system : en
  • GB499868A - Process of colouring nitrogenous materials : en
  • GB499712A - Radio direction finding systems : en
  • GB499565A - Toggle lever press for the automatic production of ceramic plates or the like : en
  • US2145082A - Time clock mechanism : en
  • DE670897C - Platinum alloys : de en
  • DE670773C - Dough forming mill : de en
  • DE670866C - Electric motor with U-shaped pole pack, especially for installation in handles : de en
  • FR836776A - Mirror with protective coating : en fr
  • GB499469A - Improvements in telescopic pit props : en
  • GB499724A - Improvements in or relating to document or like filing devices : en
  • FR836657A - Device for determining the chronaxis by means of capacitor discharges : en fr
  • FR836701A - Process for obtaining a gas rich in carbon dioxide from the reaction products of gasoline synthesis : en fr
  • GB499667A - Improvements in inspection covers for internal combustion engines and other prime movers : en
  • GR7938B - FIREPLACE WITH AUTOMATIC IGNITION. : el en
  • US2144647A - Treatment of leather : en
  • US2145205A - Cigar lighter : en
  • USD112991S - Design for a time stamp : en
  • USD112996S - Design for a shoe : en
  • DE670844C - Switching device for gearbox : de en
  • DE670707C - Braking device, especially for motor vehicles : de en
  • GB499631A - Receiving perforator : en
  • GB499815A - Improvements in or relating to television cathode ray tube apparatus : en
  • FR836626A - Switch plate : en fr
  • GB499436A - Improvements in and relating to milling and other inserted blade cutters : en
  • GB499510A - Improvements relating to the cooling of the pistons of internal combustion engines : en
  • GR7945B - AUTOMATIC ENGINEERING OFFICE LIBRARY. : el en
  • US2144948A - Container : en
  • FR836746A - Speedometer device, in particular for aircraft engines : en fr
  • GB499554A - Improvements in devices for uncoupling toy electric railway vehicles : en
  • DE670969C - Safety valve : de en
  • GB499405A - Improvements in torsional vibration dampers : en
  • US2145010A - Automatic electric welding : en
  • CA379140A - Centrifugal separator : en fr
  • AU148238A - Improvements in or relating to educational devices : en
  • GB499685A - Illuminated sign : en
  • GB499389A - Coat, raincoat or the like : en
  • GB499465A - Improvements in and relating to elastic fluid turbine plants : en
  • GB499605A - Improvements in or relating to shaft brackets particularly ship's propeller shaft brackets and associated parts : en
  • GB499607A - Luminous materials and intensifying screens for x-rays and a method for manufacturing the same : en
  • US2145109A - Process for the manufacture of milk sugar : en
  • US2144654A - Method of increasing solubility of metal salts of beta carboxy compounds in motor fuels : en
  • US2144877A - Advertising novelty : en
  • US2144660A - Expanding and dilating device : en
  • USD112994S - Design tor a chair : en
  • FR836895A - Improvements to electrical switches : en fr
  • CA379175A - Barium sulphate : en fr
  • DE670807C - Pressurized gas bottle for fire extinguisher : de en
  • GR7930B - SPECIAL UPHALMIC ANTIEMETRIC ZONE. : el en
  • DE670932C - Backfire protection arrangement for devices with grid-controlled discharge paths : de en
  • GB499406A - Suspension rope railways : en
  • US2144676A - Crepe fabric containing organic derivatives of cellulose : en
  • US2144796A - Magnetic ore separator and classifier : en
  • US2144990A - Braider carrier : en
  • US2145096A - Apparatus for solidifying and pressing carbon dioxide and the like : en
  • US2145213A - Bedspking lifting device : en
  • GB499678A - A process for removing acid components from hydrocarbons or derivatives thereof : en
  • DE670908C - Sports shoe and last for its manufacture : de en
  • DE670909C - Metal wire mesh insole : de en
  • GB499638A - A device for turning or tilting rolled material : en
  • GB499520A - Improvements in and relating to buffers for railway and like vehicles : en
  • GB499958A - Improvements in and relating to the preparation of catalysts : en
  • US2145012A - Building construction : en
  • FR836837A - Hopper conveyor rake : en fr
  • DE670959C - Safety gear for deep drilling : de en
  • FR836709A - Torch retainer and safety device : en fr
  • GB499742A - Manufacture of a 1-amino-2-hydroxynaphthalenesulphonic-3-carboxylic acid, or of a corresponding 2-hydroxynaphthalenesulphonic-3-carboxylic acid : en
  • GB499763A - Improvements in or relating to the production of hard alloys : en
  • DE670747C - Device for grinding saw chains : de en
  • DE670933C - Device to protect the anodes of gas and steam-filled rectifiers against flashbacks : de en
  • FR836781A - Improvements to trailers more specially intended to be loaded on wagons : en fr
  • GB499483A - Improvements in combination locks : en
  • GB499476A - An improved means for stoking continuous kilns : en
  • GB499688A - Improvements in cam control gear for the distributing-valves of fluid-pressure reciprocating engines : en
  • GB499516A - Improved gate and door stop or catch : en
  • US2144703A - Manufacture of shaped products impermeable to moisture : en
  • GB499443A - Improvements in or relating to typewriters used for preparing hectograph sheets or masters for duplicating : en
  • GB499498A - Improvements in or relating to warp beams : en
  • AU106363B2 - Improved cellulose hydrate product and method of making thesame : en
  • USD113050S - Design fob a pinking machine : en
  • USD113082S - Design fob a dress : en
  • DE670872C - Device for securing buildings against ground movements : de en
  • US2144684A - Punch press : en
  • US2144855A - Method of preparing compounded lubricating oil : en
  • US2144945A - Tank : en
  • US2144885A - Mounting bracket : en
  • CA379143A - Railway truck : en fr
  • GB499651A - Machine for throwing or rolling circular targets along the ground : en
  • US2144640A - Electrical flashing apparatus : en
  • GB499417A - Process of obtaining glycerol and glycerol-like products : en
  • GR7936B - HOW TO USE OXYGEN (C2H2) FOR THE MOVEMENT OF INTERNAL COMBUSTION ENGINES. : el en
  • US2144924A - Bread-slice greasing machine : en
  • US2144872A - Insulator : en
  • GB499634A - A regulatable screw propeller having adjustable blades : en
  • GB499768A - Improvements in anti-halation layers for photographic sensitive materials : en
  • GB499337A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • FR836896A - Letter envelope devoid of glue and closed with a postage stamp : en fr
  • GB499545A - Improvements in or relating to metal protectors for footwear : en
  • GB499878A - Improvements in time bases for cathode ray tubes : en
  • FR836738A - Improvements to tires or pneumatic envelopes : en fr
  • DK55749C - Hairdressing scissors. : da en
  • CA379180A - Magnesium and alloy coating method : en fr
  • DE670609C - Additional device for sewing machines to generate fabric movements : de en
  • FR836785A - Watertight closing device for container : en fr
  • US2144879A - Beet topper : en
  • US2144770A - Paper making machine : en
  • US2145165A - Electrical connection means : en
  • US2145175A - Flock cutting machine : en
  • DE670989C - Piston ring for piston engines, especially for steam engines, compressors and pumps : de en
  • US2145131A - Means for directing engine cooling air : en
  • FR836752A - Transmission systems : en fr
  • FR836795A - Device that can be used as a heating pad or as a radioactive pad : en fr
  • GB499326A - Improvements in or relating to trailer caravans : en
  • GB500190A - Improvements in or relating to method of separating materials and fluid separating mediums therefor : en
  • US2144630A - Building unit and element : en
  • US2144632A - Deodorant powder : en
  • AU488537A - Improvements in electrical signalling systems : en
  • CA379192A - Production of yarn, films, etc. : en fr
  • AU10638A - Method for feeding predetermined amounts ofa vaporised activating material into" a discharge tube : en
  • CA379087A - Measuring and controlling system : en fr
  • GR7934B - SHOE RESISTANT RESISTANT. : el en
  • DE670753C - Leg protection device on motorcycles : de en
  • US2144611A - Protective gear : en
  • GB499386A - Treatment of textiles : en
  • DE670857C - Process for the preparation of lead peroxide and red lead : de en
  • GB499750A - Improvements in brake and accelerator pedals for motor vehicles : en
  • FR836642A - Continuous and automatic centrifugal wringer : en fr
  • FR836893A - White annealing furnace : en fr
  • GB499428A - Method of and apparatus for the pneumatic drying of materials : en
  • USD113067S - Design for : en
  • DE670952C - Step transformer with straight contact path, which is run through twice in different directions during voltage regulation with reversal of polarity of the regulating winding : de en
  • GB499431A - Amusement vehicle for ghost railways : en
  • FR836633A - Antenna systems : en fr
  • FR836822A - Use of aluminum alloys for the execution of mechanical parts with sliding surfaces : en fr
  • GB499366A - A portable container for fluids under pressure : en
  • GB499548A - Improvements in or relating to stop cocks : en
  • FR836681A - Machine for cleaning objects by jet treatment of granular cleaning materials : en fr
  • FR836789A - Safety closure system for so-called clips and other jewelery items : en fr
  • AU327738A - Implement for lifting the lids of packing cases : en
  • DE670686C - Device for transferring the pantograph from one catenary part to another : de en
  • DE670691C - Expansion vessel for an electrical apparatus filled with liquid : de en
  • FR836884A - Process for hardening casein fibers : en fr
  • AT155429B - Epicyclic gears. : de en
  • GB499438A - Improvements in or relating to paper and other cellulosic materials of similar fibrous structure : en
  • US2145063A - Refrigeration : en
  • USD113004S - Design for a radio receiver cabinet : en
  • CA379214A - Wood shaving knife : en fr
  • US2144780A - Ammunition : en
  • US2145086A - Governor : en
  • DE670716C - Process for the production of a textile fabric with double warp and stiffening fillings : de en
  • DE670757C - Device for folding and closing containers made of flexible material with a flattened closure end : de en
  • FR836762A - Apparatus for manufacturing rubber threads : en fr
  • FR836812A - Method and machine for electric welding of annular joints : en fr
  • GB499558A - Process of treating tar : en
  • AT155467B - Process for the preparation of dispersions. : de en
  • DE670961C - Process for printing with Kuepen and sulfur dyes on fabrics : de en
  • DE670906C - Combination lock : de en
  • AT155481B - Seed separator. : de en
  • AU106377B2 - Improvements relating to rotors for rotating-wing aircraft : en
  • GB499628A - A new or improved valve for use in conjunction with steam or like heating systems : en
  • DE670770C - Saddle or passenger seat for motorcycles and bicycles : de en
  • DE670957C - Method and device for the extraction and processing of gravel : de en
  • FR836729A - Improvements to multi-wire wire rope moorings : en fr
  • GR7950B - APPARATUS FOR THE TRANSFORMATION OF OIL-KOREN FROM WOODEN IN GENERAL FOR INCONSTRUCTION TO COAL AND PRODUCTION OF FLAMMABLE GAS AND VARIOUS GAS. : el en
  • US2144697A - Tile cutting gauge : en
  • AU336938A - Improvements relating to rotors for rotating-wing aircraft : en
  • CA379089A - Contact lens : en fr
  • US2144975A - Device for indicating results of bowling games : en
  • USD112987S - Design for a burial vault : en
  • USD113054S - Design for a textile fabric or : en
  • DE670905C - Method and device for regulating the amount of foaming agent to be added to the water during the generation of air foam : de en
  • DE670951C - Electric mine ignition device : de en
  • AU285638A - Improvement in temperature controlling and ventilating system : en
  • CA379170A - Liquid dispensing container : en fr
  • AU106379B2 - Improvements in or relating tothe thermal generation of electric current : en
  • FR836722A - Lead alloys : en fr
  • GB499404A - Improvements in or relating to the manufacture of corrugated fibreboard or the like : en
  • US2144718A - Turnstile : en
  • US2144685A - Treatment of textile materials : en
  • US2144854A - Pneumatic control apparatus : en
  • US2144663A - Trough hanger : en
  • US2144696A - Liquid level : en
  • US2144754A - Valve : en
  • US2145154A - Fuse block : en
  • US2144606A - Constant bias diode detector circuit : en
  • FR836708A - Method and device for operating helicopters : en fr
  • FR836717A - Method for transmitting weights to tubes mounted vertically and intended to transmit heat : en fr
  • AU106421B2 - Improvements in appliances for playing board games : en
  • AT155446B - Method for melting vessels containing gas. : de en
  • AU291637A - Improvements in automatic resonance adjusting means for radio receivers or like apparatus : en
  • US2145079A - Telephone system : en
  • CA379056A - Composite fabric : en fr
  • CA379173A - Lipstick holder : en fr
  • CA379207A - Clamping mechanism for electric arc furnace electrodes : en fr
  • US2144610A - Gummed tape : en
  • DE653198C - Device on tobacco leaf cutting machines : de en
  • FR836674A - Lighter : en fr
  • US2145055A - Cover unit for ash receivers : en
  • GB499517A - Improvements relating to fluid pressure operated electric relays : en
  • AU106395B2 - Improvements in or relating to educational devices : en
  • FR836682A - Agglutination or roasting device on an endless mobile grid : en fr
  • FR836845A - Automotive car, especially sports car : en fr
  • DE670812C - Process for making shovels, spades and the like Like. With continuous reinforcement rib : de en
  • AU106382B2 - Process forthe manufacture of building materials : en
  • CA379096A - Centrifugal governor : en fr
  • GB499348A - Improvements relating to platen rollers for typewriters : en
  • GB499701A - Improved electrical resistance : en
  • SE94367C1 - : en
  • US2145003A - Thermostatic valve : en
  • GB499340A - Improvements relating to railway traffic controlling apparatus : en
  • GB499956A - Process for the manufacture of shaped activated carbons : en
  • USD113098S - Design for a shoe or similar article : en
  • AT155442B - Method and device for drying fibrous webs u. like : de en
  • CA379075A - Suction nozzle : en fr
  • GB499448A - Elastic cord and fashion trimming : en
  • GB499536A - Improvements in short wave electron discharge devices : en
  • US2144657A - Egg candling machine : en
  • US2145121A - Tap mounting and closure means for barrels and like containers : en
  • US2145023A - Knitting machine yarn control : en
  • US2145166A - Electrical connection means : en
  • GB499673A - Improvements in or relating to seats : en
  • FR836711A - Process for the manufacture of easily soluble cerulean derivatives : en fr
  • DK55743C - Automatic acting Control valve for Radiators. : da en
  • FR836721A - Process for obtaining olefin polymerization products : en fr
  • US2145098A - Book protector : en
  • USD112988S - Design for a goblet ob similar : en
  • DE670924C - Hollow shaft drive for electrically powered vehicles : de en
  • DE670734C - Numbering mechanism : de en
  • FR836779A - Rubberized belt : en fr
  • GB499612A - Improvements in or relating to cable traction systems : en
  • AU106358B2 - lluminating device and reflector therefor : en
  • DE670920C - Process for the preparation of 3,4,5-triaminopyridine : de en
  • FR836778A - Engine mounting system : en fr
  • GB499879A - Manufacture of capillary-active compounds : en
  • US2144904A - Annealing : en
  • DE670878C - Rifle Guard : de en
  • FR836766A - Lightweight metal wheel for endless treads : en fr
  • GB499341A - Improvements in or relating to electric resistance heating devices : en
  • GB499707A - Piezo-electric vibration systems : en
  • US2144829A - Means for use in curling hair : en
  • FR836604A - Two-piece rain jacket : en fr
  • FR836685A - Product for sealing in particular bottles and manufacturing process : en fr
  • FR836732A - Water chiller device : en fr
  • GB499424A - Improvements in photo-electric cells : en
  • US2144655A - Arrangement for modulation : en
  • US2144772A - Garment hanger support : en
  • US2144996A - Thread holder : en
  • US2144860A - Fan : en
  • US2144700A - Sheathing anchor : en
  • DE670674C - Method for interference-free character transmission, especially for wireless purposes : de en
  • GB499743A - Improvements in or relating to the dispensing of beer : en
  • GB499388A - Road making machine : en
  • GB499584A - Improvements in vessels for delivering liquids in drops : en
  • GB499869A - Improvements in or relating to electron discharge devices : en
  • GB499695A - Process for the production of artificial threads or fibres by the stretch-spinning method : en
  • DE670656C - Method for obtaining bee venom : de en
  • GB499608A - Improvements in and relating to over-running clutches : en
  • US2145133A - Apparatus for blending liquids : en
  • USRE20989E - Clutch : en
  • DE670733C - Typewriter with top cover of the engine and the ribbon reels through a hinged protective cover : de en
  • CA379103A - Exhausting apparatus : en fr
  • US2144912A - Selvedged woven fabric : en
  • FR836894A - Method and device for impregnating fibrous webs with binders : en fr
  • GB499390A - Improvements in or relating to sound-permeable cinematograph projection screens : en
  • FR836673A - Rotary piston system with direct transmission of movement through the wall of the annular cylinder : en fr
  • GB499611A - Improvements in containers of paper or like sheet material and a method and apparatus for their production : en
  • US2144921A - Automatic volume control : en
  • FR836620A - Process for the preparation of ethers-salts of fatty-series alcohols having two double bonds : en fr
  • GB499541A - Improvements in or relating to drying cabinets : en
  • DE670771C - Arithmetic classifier : de en
  • US2145191A - Retrieving core barrel : en
  • DE670675C - Two-pole rectifier circuit using a three-pole tube : de en
  • DE670790C - Thermal self-switch : de en
  • GB499446A - Improvements in or relating to bridging means for the use of military tanks : en
  • GB499704A - Round folding boxes : en
  • US2144955A - Lathe : en
  • GB499633A - Improvements in bearings : en
  • GB499767A - Improvements in dense non-metallic articles : en
  • FR836861A - Reinforced cement step tile : en fr
  • GB499876A - Process of printing on fabrics and products resulting therefrom : en
  • US2144702A - Apparatus for dispensing grease : en
  • US2144815A - Longitudinal or center joint and method of road widening : en
  • DE670360C - Process for digesting rock phosphates : de en
  • GB499433A - Improvements in the manufacture of articles of rigid material and rubber : en
  • DE670424C - Two-story passenger car : de en
  • GB499199A - Improvements relating to plug or other switches with rectilinearly-moving operating members : en
  • US2145022A - Restoration of car journal brasses : en
  • USD113083S - Design for a jacket or similar : en
  • FR836819A - Improvements relating to the surface hardening of metals : en fr
  • GB499664A - Improvements in electric circuit breakers having arc control arrangements : en
  • GB499353A - Improvements in stockings : en
  • GB499442A - An improved return signalling device for remote control installations controlling alarm apparatus : en
  • DE670853C - Scraper grate for opening drums of spinning preparation machines or the like. : de en
  • DE670882C - Method and device for coking coal in several separate heating stages : de en
  • US2144667A - Fabric : en
  • US2144738A - Recording of pictures and sound : en
  • US2145060A - Sewing machine and template for use therewith : en
  • USD113008S - Design for a bedspread : en
  • DE670896C - ladder : de en
  • US2145217A - Sliding hook for loom harnesses : en
  • US2144792A - Water-tube boiler : en
  • US2144622A - Magazine for motion picture cameras : en
  • DK55747C - Process for the preparation of a vitamin-containing feed mixture. : da en
  • US2144964A - Aperiodic oscillating coupling joint with constant transmission ratio : en
  • USD113080S - Design for a fan stand : en
  • GB499344A - Automobile steering wheel construction : en
  • US2144774A - Self-locking container : en
  • DE670833C - Process for the preparation of trifluoromethylbenzaldehydes : de en
  • FR836659A - Magnifier with mechanical film drive : en fr
  • US2144803A - Conversion of hydrocarbon oils : en
  • USD112985S - Design for a statuette ob similar : en
  • GB499399A - Improvements in pile-surface sheet materials : en
  • GB499735A - Improvements in or relating to infantry mortars : en
  • DE670737C - Current recovery circuit with preceding short-circuit braking circuit for series motors, especially for electric railways : de en
  • GB499449A - Telephone receiver : en
  • FR836899A - Double wall electric lamp, mixed light : en fr
  • US2145138A - Multichannel secret communication system : en
  • DE670730C - Chamber coke oven battery with horizontal chambers : de en
  • AU315738A - Improvements in electrical resistors : en
  • US2145030A - Portable display device : en
  • GB499641A - Improvements in or relating to water heaters : en
  • US2144931A - Indirect lighting fixture : en
  • GB499410A - Improvements in and relating to cleats or spuds for the wheels of tractors and othervehicles : en
  • GR7948B - METHOD OF ENRICHMENT OF CHROMITE MINERALS BY MIXING METAL ACIDS. : el en
  • GB499482A - Improvements in and relating to mountings for elastic fluid turbines : en
  • US2144841A - Nut cracking machine : en
  • US2144864A - Photographic print drying machine : en
  • US2144773A - Lubricant and method of making the same : en
  • USD113081S - Design for a bathing suit : en
  • GR7933B - MECHANICAL AIR RENEWAL SYSTEM AFTER ITS MODERNIZATION. : el en
  • FR836813A - Combination of two or three rotary pumps to form groups of a new type functioning as turbine, clutch, brake and gear change mechanisms or balancers : en fr
  • GB499647A - Process for improving the strength and abrasive properties of iron : en
  • DE670669C - Arrangement of projection devices (image projectors) on theater stages with an elongated horizon for the representation of wandering clouds and similar structures : de en
  • GB499575A - Improvements in pumps and motors of the swash-plate type : en
  • US2144832A - Detachable bit rock drill : en
  • US2145013A - Horseshoe calk bar : en
  • GB499602A - Improvements in or relating to aerial mountings : en
  • FR836669A - Process and devices for the dedusting of moving granulated products : en fr
  • GB499564A - Improvements in electrical connectors and a method of and means for manufacturing the same : en
  • GB499817A - Protective system for high voltage transformers and the like : en
  • DE670945C - Method of cleaning bed springs : de en
  • DE670660C - Pressure reducing valve for high-pressure gases : de en
  • US2144939A - Method of forming a foundation structure for bridges, piers, docks, sea walls, and the like : en
  • DK55729C - Rotary press for Intaglio printing. : da en
  • FR836857A - Level indicator for brewing kettles : en fr
  • GB499659A - Improvements in or relating to perforated record card controlled accounting or statistical machines : en
  • GB499676A - Improvements relating to the coulters or shares of implements or machines employed in the transplantation of cabbages and the like : en
  • GB499700A - Improvements in or relating to the manufacture of clear ice : en
  • US2145001A - Automatic closure holding device : en
  • USD113072S - Design fob a bedspread : en
  • US2144806A - Riding trailer : en
  • US2144917A - Machine for applying index tabs to books : en
  • US2145201A - Furniture : en
  • DE670635C - Process for the preparation of particles of pyrimidine : de en
  • GB499632A - Improvements in aircraft designed to facilitate take-off and landing : en
  • US2145172A - Adjustable grade iron fence : en
  • USD113026S - Design for a cleaver knife : en
  • USRE20990E - Ditcher : en
  • AT155479B - Process for the production of multicolored line drawings, in particular precision scales on metal. : de en
  • DE670829C - Ironing board to be attached to a table : de en
  • DE670914C - Strap connector : de en
  • US2145028A - Internal combustion engine : en
  • AU494838A - Automatic regulation in radio receivers : en
  • AU293137A - Improvements in or relating to means for applying synchronising signals toa carrier conveying television or like signals : en
  • CA379187A - Dumping vehicle : en fr
  • CA379216A - Wearing apparel : en fr
  • CA379131A - Container structure : en fr
  • CA379160A - Cigarette filter tip : en fr
  • CA379211A - Cycle brake : en fr
  • AT155447B - Heat meter for radiators, hot water pipes, etc. Like. Based on the evaporation of a liquid in a container in communication with the outside air. : de en
  • AU14238A - Improved adjustable chair : en
  • AU79738A - Diode multiplier oscillator and coupling system : en
  • AU26738A - Improvements in breaking-down saws : en
  • US2144689A - Fabric for shoes : en
  • AU106371B2 - Polymerisation products and process of producing same : en
  • US2144845A - Check link construction : en
  • CA379152A - Power supply circuit : en fr
  • CA379171A - Moistureproofing composition : en fr
  • AT155436B - Method and device for the production of practically slack-free incandescent bodies. : de en
  • DE1456897U - : de en
  • DE670823C - Self-seller for electricity or the like. : de en
  • DE670944C - Grain divider for binding mower : de en
  • AT155480B - Trap for cockroaches or similar insects. : de en
  • AT155485B - Vacuum braking device for railroad cars. : de en
  • USD113093S - Design fob a bath mitt : en
  • CA379061A - Composite fabric : en fr
  • AT155499B - Armor made of fiber. : de en
  • AU178338A - Improvements in mechanism for recording information in telephone systems : en
  • DE670830C - Process for de-oiling fuller's earth : de en
  • AU106355B2 - Machine for impressing relief patterns in felt sheets : en
  • FR836695A - Telegraph systems : en fr
  • FR836787A - Rear signaling device for vehicles transporting long parts : en fr
  • GB499717A - Milling machine : en
  • US2145106A - Box or the like with collapsible partitions : en
  • AU106416B2 - Improvements in or relating to indicator arrangements : en
  • FR836786A - Shutter device allowing the use of combustion engines as brakes : en fr
  • CA379204A - Tellurion : en fr
  • AU106399B2 - Improvements in or relating to variable mutual conductance electric discharge tubes : en
  • FR836719A - New product composed of chlorine and carbon, its applications and its manufacturing process : en fr
  • GB499456A - Improvements in and relating to arc-extinguishing means for electric switches : en
  • GB499623A - Improvements in and relating to heating conductors for electric furnaces : en
  • US2145002A - Sheet holding device : en
  • US2144788A - Overdrive transmission and clutch : en
  • FR836625A - Improvements in the construction of wings, fuselages or other aircraft bodies : en fr
  • AU106361B2 - Improvements in automatic ticketing machines for use in telephone systems : en
  • DE670694C - Roller seam welding machine, in particular for welding non-ferrous metals : de en
  • DE670777C - Robbery device for stamp of the pit expansion : de en
  • GB499656A - Improvements in playing balls : en
  • US2145185A - Process for refining hydrocarbon oils by means of esters : en
  • US2144834A - Coupling machine : en
  • USD113028S - Design for a radio receiver cabinet : en
  • CA379062A - Stiffened fabric : en fr
  • CA379113A - Shoe manufacture : en fr
  • CA379065A - Stiffened fabric : en fr
  • CA379068A - Textile material : en fr
  • CA379090A - Brick simulating shingle strip : en fr
  • CA379052A - Metal coated product manufacture : en fr
  • AU106388B2 - Frequency selective circuits : en
  • DE670987C - Connection piece for transmission equipment : de en
  • DE670925C - Amplifier arrangement for ultra-short waves : de en
  • DE670626C - Runner rods for spinning and twisting machines : de en
  • DE670611C - Screen for through projection for the production of cinematographic images with a projected background : de en
  • DE670717C - Process for the production of organic compounds by pressure hydrogenation : de en
  • DE670935C - Process for the production of complex copper compounds from polyazo dyes : de en
  • FR836839A - Electric welding gun for bridging welding : en fr
  • FR836867A - Device for extracting the roots of teeth : en fr
  • GB499484A - Improvements in rotary pumps : en
  • US2144646A - Panel : en
  • FR836613A - Aircraft propeller : en fr
  • CA379209A - Cooking utensil : en fr
  • DK55745C - Motor fuel. : da en
  • GB499547A - Improvements in bags of paper or like material, and the manufacture thereof : en
  • CA379184A - Goffered film reproduction : en fr
  • GB499506A - Improvements in and relating to bedsteads and other articles of furniture : en
  • FR836858A - Level indicator for brewing kettles : en fr
  • DE670970C - Air cooling for the mold of die setting and line casting machines : de en
  • FR836745A - Advanced folding easel : en fr
  • CA379051A - Selective signalling system : en fr
  • CA379060A - Composite fabric : en fr
  • GB499518A - Improvements in or relating to variable pitch screw propellers : en
  • GR7947B - HYDRAULIC INSULATION AND SPEED CHANGE AND SPEED DIFFERENCE REGULATOR. : el en
  • FR836808A - Improvements to the overcapping of containers : en fr
  • GB499725A - Improvements in or relating to hand guided electrically driven implements : en
  • GB499744A - Improvements in or relating to photo-electric multiple cells : en
  • GB499862A - Improvements in electrical apparatus for discharging bombs from aircraft : en
  • GB500033A - Manufacture of capillary-active compounds : en
  • US2144712A - Air heater : en
  • USD113034S - Design for a fluorescent tube unit : en
  • CA379064A - Reinforced textile material : en fr
  • GB499682A - Improvements in methods of capping vitreous vessels, such as electric incandescent lamps, without the use of cement : en
  • GB499568A - Film clip : en
  • DE670923C - Process for the purification of crude extracts of the corpus luteum hormone : de en
  • DE670840C - Holding device for umbrellas, sticks, rods, etc. Like. On furniture or other items : de en
  • FR836615A - Process for the manufacture of a product consisting of magnesium oxide and calcium carbonate : en fr
  • GB499515A - Improvements in or relating to looking-glasses : en
  • US2144944A - Well swab : en
  • DE670873C - Single or multi-spindle fine boring machine : de en
  • SE94388C1 - : sv
  • AU298537A - Improved ground protective relay device for electrical equipment : en
  • US2144878A - Ice creeper for automobile tires : en
  • FR836757A - Hydraulic compressor : en fr
  • CA379095A - Cellulose ester viscosity : en fr
  • DE670678C - Linkage : de en
  • AT155424B - Detachable connection between frame saw blade and tang by means of a through bolt. : de en
  • US2144649A - Process of printing lenticular film and lenticular film therefor : en
  • DE670787C - Use of capacitors, which are used to absorb switching energy released by the commutation process, in AC commutator rail motors for the frequency of the national supply network : de en
  • FR836780A - Improvements in the manufacture of artificial products, imitating leather : en fr
  • GB499430A - Method for the production of cola chocolate : en
  • GB499617A - Improvements in all-weather bird food containers : en
  • GB499323A - Improvements in or relating to spark distributors for internal combustion engine ignition : en
  • GB499674A - Improvements in and relating to steel machine parts : en
  • GB499513A - Improvements relating to vehicle and other seats : en
  • GB499544A - Improvements relating to film feed mechanism for photographic roll film cameras : en
  • FR836698A - observation screen for braun tubes, preferably for projection : en fr
  • AT155451B - Soap holder. : de en
  • DE670690C - Device for the load-dependent regulation of the voltage output by rectifiers or inverters, which work with grid-controlled gas or steam-filled valve tubes, to a constant size : de en
  • DE670788C - Elongated slotted electrical connector pin : de en
  • GB499818A - Improvements in or relating to insoles or socks for boots and shoes : en
  • US2145080A - Ice bunker : en
  • DK55750C - Procedure and Apparatus for Rolling in the Toe and Back Covers of Footwear : da en
  • DE670727C - Process for the recycling of asphalt pavements : de en
  • FR836881A - Improvements to advertising or advertising devices : en fr
  • GB499539A - Improvements in and relating to process of drying materials : en
  • GB499444A - Improvements in or relating to anti-dazzle devices for motor vehicles : en
  • GB499505A - Improvements in refrigerator cabinets : en
  • DK55737C - Adhesive. : da en
  • GB499580A - Improvement in sponge material and method of making : en
  • GB499596A - Improvements in and relating to electric arc converters : en
  • DE670827C - Hand-held cutting or notching device with power drive : de en
  • FR836693A - Advanced machine for making paper cups and similar containers : en fr
  • FR836820A - Improvements in the treatment of metal articles by heat : en fr
  • GB499621A - Improvements in or relating to liquid containers of all kinds such as bottles, jugs and the like : en
  • DK55735C - Electromechanical Differential for Measuring Electrical Currents or for Affecting Control Devices. : da en
  • GB499422A - Sidereal chronometer : en
  • GB499553A - Rotary internal combustion engine : en
  • FR836856A - Process for the preparation of useful products from industrial residues : en fr
  • GB499745A - Improvements in electric or other imitation candle or other flame lamps : en
  • US2145173A - Railway car : en
  • AU336738A - Improvements relating to rotors for rotating wing aircraft : en
  • FR836629A - Process for the preparation of beta (p-oxyphenyl) -isopropylmethylamines having optical activity : en fr
  • GB499626A - Improvements in or relating to refrigerator or other heat insulated cabinets : en
  • AU161938A - Improvements in or relating to carpet sweepers : en
  • US2144928A - Method of making internal combustion engines : en
  • US2144972A - Gauging, measuring, setting, indexing, and like instrument or device : en
  • DE670752C - Additional tires to widen the tread of air-filled wheel tires for off-road vehicles : de en
  • FR836664A - Winding device for glass fibers : en fr
  • US2145211A - Cuff link : en
  • FR836703A - Improvements to cameras : en fr
  • FR836759A - Progressive shifting and its combination with a cycle hub : en fr
  • GB499489A - Thread-controlling mechanisms for sewing machines : en
  • AT155489B - Chassis for automobiles. : de en
  • AU106405B2 - Improvements in or relating to carpet sweepers : en
  • AU106359B2 - Improvements in or relating to electric discharge tubes having secondary emission electrodes : en
  • CA379213A - Transformer thermal protector : en fr
  • GB499957A - Improvements in and relating to the preparation of skins and the like : en
  • DE670922C - Process for the enrichment of biotin : de en
  • FR836773A - Improvements in call dial devices for automatic telephony : en fr
  • GB499574A - Improvements in and relating to footwear : en
  • FR836831A - Improvements to direction-finding installations : en fr
  • DE670783C - Fastening of steam turbine disks to one another or on the turbine shaft by means of elastic sealing members : de en
  • FR836809A - Improvements to shock absorbers or suspension devices for vehicles : en fr
  • DE670613C - Shooting game with a moving target arranged in a closed housing : de en
  • DE670886C - Device for hardening and tempering metal parts : de en
  • FR836696A - Esterification process of paper and resulting products : en fr
  • FR836754A - Automatic method of measuring and controlling a linear dimension of a part, particularly applicable to parts being rolled and apparatus for carrying out said process : en fr
  • DK55731C - Vibration Generator or Vibration Amplifier and Discharge Tube for Use therein. : da en
  • CA379202A - Vehicle accessory : en fr
  • US2144985A - Liquid cooler : en
  • US2144698A - Excavating machinery : en
  • US2144867A - Telephone system : en
  • AU245439A - Tuning system : en
  • AU178238A - Improvements in mechanism for recording information in telephone systems : en
  • DE670692C - Process for regulating and setting the gas velocity in arc converters : de en
  • DE670760C - Process for the desugarization of molasses : de en
  • DE670930C - Electric cathode glow lamp with fluorescent substance layer made to glow by the cathode glow light : de en
  • FR836607A - Improvements in the manufacture of sheets, films, etc., by means of cellulose esters : en fr
  • GB499637A - Improvements in honing machines : en
  • US2144949A - Route indicating device : en
  • US2144686A - Roll finishing device : en
  • US2144987A - Method for making cutter blades : en
  • AT155475B - Process for the preparation of amides of thioformic acid. : de en
  • AU494437A - Improvements in or relating to indicator arrangements : en
  • CA379127A - Piston ring die : en fr
  • AT155435B - Coiled filament, in particular for electric light bulbs. : de en
  • AU189538A - Improved cellulose hydrate product and method of making thesame : en
  • USD113020S - Design for a velocipede : en
  • GB499403A - Improvements in and relating to methods of viewing stereoscopic images or pictures and to apparatus therefor : en
  • US2144623A - Tire tread cutting machine : en
  • AU106414B2 - Improvements in aerial systems for direction finding purposes : en
  • AU106370B2 - A method of manufacturing a wall plug anda plug constructed bythe application ofthe said method : en
  • US2144720A - Process for producing pastries and the like : en
  • US2145084A - Heat exchange apparatus : en
  • DE670671C - Switching device for textile machines with fabric return, especially jiggers : de en
  • CA379091A - Bob sleigh : en fr
  • US2145090A - Incineration : en
  • US2144651A - Couch bed : en
  • US2144809A - Liquid cooler : en
  • CA379154A - Call transmitter device : en fr
  • CA379181A - Electric fuse : en fr
  • US2145004A - Manufacture of artificial silk : en
  • US2144887A - Method of applying a knitted covering to a cord-shaped body and a knitting machine for covering a cord-shaped body : en
  • US2144842A - Bypass assembly for packers : en
  • US2145169A - Support for neon tubes : en
  • CA379198A - Refrigerator butter chamber : en fr
  • US2144981A - Combination salt and pepper shaker : en
  • AT155438B - Machine with periodically variable capacity for converting a direct voltage into an alternating voltage. : de en
  • AU290638A - Improvements in aerial systems for direction finding purposes : en
  • US2145076A - Method of preparing artificial threads : en
  • US2144670A - Stop motion, etc. : en
  • DE670709C - Diving equipment, diving suit or the like with a vent valve : de en
  • AT155500B - Method and device for the production of multilayer boards from fibrous materials and hydraulic binders. : de en
  • CA379053A - Acid alkyl ester production : en fr
  • CA379066A - Stiffened fabric : en fr
  • US2145102A - Ski shoe : en
  • AT155425B - Process for saturating compressed air with pneumatic power transmission. : de en
  • US2145031A - Traffic control signal : en
  • USD113043S - Design for a handbag : en
  • US2144741A - Overload circuit breaker : en
  • DE670699C - Push button control for elevators : de en
  • GB500425A - Improvements in and relating to control systems for vapour arc converters : en
  • FR836853A - Ski attachment : en fr
  • DE670964C - Process for ash removal from coke of mineral coals : de en
  • FR836610A - Electric heating body, consisting of a bar-shaped resistance heating conductor and a protective ceramic tube : en fr
  • GB499581A - Improvements in or relating to band knife splitting machines : en
  • GB499586A - Distillation of liquids : en
  • GB499727A - Improvements in electrical potential regulating devices : en
  • DE670732C - Auxiliary ribbon device on typewriters : de en
  • GB499624A - Improvements in and relating to yarn twisters : en
  • GB499636A - Central heating hot water boiler : en
  • DE670701C - Method and system for producing sprayed threads from rubber milk or the like. : de en
  • DE670824C - Roller cover made of hard rubber mixed with coarse-grained material : de en
  • DE670865C - Device for determining the degree of compensation in high-voltage networks : de en
  • US2144607A - Reduction gear : en
  • FR836783A - Luggage rack : en fr
  • USD113013S - Design for sunglasses or similar : en
  • USD113036S - Design for a wall casing fob a deo : en
  • FR836826A - Improvements to metal trusses : en fr
  • DE670775C - Robbery device for stamp : de en
  • GB499480A - Improvements in fluid-sealing devices for shafts, bearings and the like : en
  • CA379078A - Vacuum cleaner : en fr
  • DE670736C - Sand spreading device for rail vehicles : de en
  • AT155464B - Method and device for the continuous fermentation of solutions for the production of fermentation products or microorganisms. : de en
  • GB499317A - Improvements in or relating to electric wave signalling systems : en
  • IE15401L - Hydrogen peroxide : en
  • DE670786C - Signal circuit for automatic section block : de en
  • DE670751C - On the upper part of the gear box attached vacuum switching device for gear change transmissions of motor vehicles : de en
  • DE670963C - Securing of self-sealing doors for chamber furnaces for coke and gas production : de en
  • US2145164A - Electrical connection means : en
  • FR836704A - Sewing machine thread dispenser : en fr
  • GB499729A - Improvements in sealing devices for rotational members : en
  • US2144613A - Priming system for centrifugal pumps : en
  • US2144862A - Fuel pump injector : en
  • US2145228A - Automatic control of centrifugal extractors : en
  • DE670779C - Robbery device for stamps and pillars of the mine expansion : de en
  • FR836817A - Improvements in the treatment of metal articles by heat : en fr
  • FR836871A - Test bench for internal combustion engines, in particular for aircraft engines : en fr
  • GB499761A - Improvements in shaving mediums : en
  • US2145100A - Comb : en
  • FR836868A - Photographic light meter : en fr
  • GB499382A - Improvements in or relating to fire extinguishing apparatus : en
  • GB499468A - Improvements in thermionic amplifiers : en
  • DE670782C - Process for the production of acrylic acid : de en
  • DE670801C - Immersion heater for tanks of motor vehicles : de en
  • FR836900A - Improvements to objects containing silicon carbide : en fr
  • GB499473A - Improvements in or relating to printers' hand rollers for use in the production of lithographic prints : en
  • GB499677A - Improvements in or relating to decarbonizing commercial nickel or cobalt : en
  • FR836734A - Buffer for fixing nails or screws to walls : en fr
  • FR836834A - Method and device for electrolysis : en fr
  • DE670697C - Arrangement for simultaneous arc welding of two parallel, closely spaced seams of a workpiece by means of two electrodes : de en
  • GR7937B - TYPE OF DOUBLE ENERGY OIL ENGINEERING. : el en
  • GB499463A - Improvements relating to doctor blades for gravure-printing presses : en
  • FR836641A - Process for making fertilizer from fresh mud : en fr
  • GB499573A - Improvements in and relating to apparatus for the picking-up of meshes dropped in hosiery and knitted goods : en
  • GB499630A - Improvements in or relating to film-feeding mechanism for sound reproducing apparatus : en
  • GB499335A - New azo compounds : en
  • GB499755A - Improvements in or relating to telecinematographic and like apparatus : en
  • GB499507A - Apparatus for controlling the operation of lights on aircraft and other vehicles : en
  • DE670843C - Pincer trap for mice and rats : de en
  • GB499421A - Improvements in and relating to apparatus for controlling electrically driven reciprocating machines : en
  • GB499618A - Improvements in the friction drive of bicycle dynamos : en
  • IE15394L - Carbon compounds; colour photography : en
  • US2144888A - Gas-enclosed resistance element : en
  • US2144982A - Closure device : en
  • US2145049A - Air purifier : en
  • USD113096S - Design for a textile fabric : en
  • DE670975C - Signal box with direct current monitoring : de en
  • US2145094A - Telephone system : en
  • CA379196A - Umbrella : en fr
  • GR7942B - LINEAR SEEDS HANDCRAINS. : el en
  • US2144653A - Illuminator : en
  • US2145162A - Electrical connection means : en
  • US2144763A - Work clamping mechanism for sewing machines : en
  • USRE20983E - Gyro-magnetic compass : en
  • AU106368B2 - A process of and apparatus forthe continuous mixing of substances : en
  • US2144906A - Flavoring matters and their application : en
  • US2144976A - Crank bracket for cycles : en
  • FR836649A - Screen-washer : en fr
  • DE670767C - Process for the preparation of monophthaloyl carbazoles : de en
  • GB499567A - Improvements in and relating to means for slicing automobile tyres and the like : en
  • GB499576A - Improvements in or relating to apparatus for the electrical precipitation of suspended particles from gaseous fluids : en
  • DE670805C - Control device for machine tools driven by an electric motor, especially milling machines, each with an electric motor for the tool drive and the feed drive : de en
  • GB499813A - Improvements in respiratory appliances : en
  • US2144629A - Manufacture of thread or the like : en
  • US2144669A - Bailer : en
  • FR836888A - Multiple mechanical pencil : en fr
  • DE670676C - Lightning protection device : de en
  • US2145124A - Therapeutic apparatus : en
  • FR836720A - Lubricating oil : en fr
  • US2144626A - Air conditioning apparatus : en
  • US2144688A - Ski pole : en
  • US2144889A - Vehicle supporting structure : en
  • US2144942A - Metallurgy of zinc : en
  • FR836650A - Automatic repeating firearm : en fr
  • US2144852A - Method of and apparatus for producing refractories : en
  • US2145074A - Metal treating fuknace and methob : en
  • DE670938C - Removable coffin handle : de en
  • US2145159A - Resilient vehicle wheel : en
  • US2145186A - Connection for filament and lead wires : en
  • FR836692A - Mechanical articulation : en fr
  • GB499728A - Improvements in or relating to cinematograph apparatus : en
  • GB499440A - Improvements in and relating to the hardening of cast iron : en
  • GB499470A - Shoes having intercommunicating air-chambered rubber soles : en
  • DE670835C - Switch control with magnetic approach message for shunting switches : de en
  • FR836661A - Process for the aseptic and biological preservation of vegetable juices of all kinds : en fr
  • DE670815C - Method of making the insulation of electrical cables with a mixture of bitumen and rubber : de en
  • US2144938A - Regenerator for telegraph signals : en
  • US2144950A - Filter for separating high frequencies from low frequencies : en
  • US2144954A - Letter : en
  • US2144959A - Condenser construction : en
  • DE670956C - siren : de en
  • FR836608A - Improvements to sheaths, or protective sleeves, for seals : en fr
  • GB499655A - Improvements in and relating to reaping and like cutting machines : en
  • GB499699A - Electrical heating apparatus and method of making same : en
  • US2144777A - Carrier frequency modulator : en
  • DE670911C - Adjustment device for deep drawing devices for ski bindings : de en
  • DE670917C - Device on filter presses to prevent pendulum movements when moving the filter elements on their support bars : de en
  • DE670887C - Cable or pipe clamp : de en
  • FR836628A - Improvement of marble plinths and pendulums, and manufacturing process : en fr
  • DE670942C - Process for recovering fibers from fiber-containing, vulcanized rubber material : de en
  • DE670668C - Process for covering the wall of metal pipes or other shaped articles : de en
  • GB499329A - Improvements in or relating to alternating current electric relays : en
  • GB499454A - Improvements relating to television transmission arrangement with scanning of the picture by means of an lkonoscope or the like : en
  • AT155445B - Electric high pressure mercury vapor lamp. : de en
  • US2144905A - Attachment for harvester reels : en
  • AU249438A - Improvements in or relating to aircraft wing construction : en
  • CA379050A - Shoe lasting method : en fr
  • US2144838A - Headlight tester : en
  • US2145150A - Power shifter : en
  • GB499479A - Improvements in apparatus for the manufacture of glass stop-cock barrels : en
  • GB499691A - Improvements in and connected with ventilating devices : en
  • US2144740A - Process for producing lumpy, waterresistant bodies consisting substantially of magnesium oxide and calcium compounds : en
  • USD113032S - Design for a drink stirrer : en
  • US2144849A - Printing fixture for glass dials and the like : en
  • US2144813A - Direction turn indicator for vehicles : en
  • DE670888C - Electrical remote indicator for indicating the position of compressed air-driven electrical switches : de en
  • FR836889A - Multiple mechanical pencil : en fr
  • GB499339A - Polyvinyl acetal resins : en
  • GB499598A - Improvements in brakes for vehicles : en
  • FR836764A - Buckle for bicycle footrest straps or other uses : en fr
  • GB499524A - Improvements in billiard cues : en
  • IE15586L - Manufacturing of butter : en
  • FR836882A - Closure for packaging, such as cardboard boxes and similar packaging : en fr
  • GB499532A - Improvements in or relating to cathode ray tubes and the like : en
  • CA379100A - Liquid cooler : en fr
  • IE15226L - Electric discharge tubes : en
  • FR836811A - Improvements made to clockwork mechanisms, particularly electric clocks : en fr
  • USD113055S - Design for a jar : en
  • DE670810C - Self-indicating target : de en
  • US2145087A - Reel : en
  • USD112982S - Design fob a game board : en
  • US2144843A - System and method of determining distance : en
  • DE670822C - Process for the production of aqueous emulsions : de en
  • CA379115A - Trailer : en fr
  • US2144856A - Book rest : en
  • US2145048A - Machine for making sanitary napkins : en
  • DE670926C - Power supply unit : de en
  • FR836851A - Temperature control device for foundry molds : en fr
  • GB499680A - Improvements in or relating to artificial teeth : en
  • US2144973A - Forehearth for molten glass : en
  • USD113010S - Design for a pair of spectacles : en
  • GB499588A - Improvements in and relating to telephone installations : en
  • US2144927A - Variable pitch airplane propeller : en
  • USD113075S - Design for a bedspread : en
  • USD113095S - Design fob a bathing suit : en
  • AT155473B - Means for the destruction or control of vermin. : de en
  • AU279338A - A method of manufacturing a wall plug anda plug constructed bythe application ofthe said method : en
  • GB499653A - An improved method of, and means for, coating the inside surfaces of metal containers : en
  • GB499543A - Improvements in or relating to air rifles : en
  • IE15225L - Electrodes for electric discharge devices : en
  • USD113077S - Design fob a shoe : en
  • DE670826C - Reinforcement insert for self-tie : de en
  • GB499867A - Improvements in regulating fuel supply to internal combustion engines : en
  • IE15425L - Artifical stone products. : en
  • GB499453A - Improvements in apparatus for the continuous production of closed channels, pipes and the like under the ground : en
  • FR836652A - Machine used to identify a payment made : en fr
  • GB499715A - Adjustable support for shelves : en
  • GB499824A - Improvements in or relating to suppositories : en
  • US2144961A - Harrow construction : en
  • US2145153A - Harpoon and like line or rope : en
  • US2145115A - Thermostatically controlled water mixer : en
  • USD113089S - Design for a dress : en
  • AU308638A - Improvements relating to looseleaf books or binders : en
  • US2144922A - World time clock : en
  • US2144873A - Time measuring system : en
  • US2144995A - Means for avoiding disturbances in the reception of electric oscillations : en
  • US2144771A - Device for working sectional shapes for shafts and bores : en
  • US2145000A - Machine for generating gears : en
  • DE670774C - Photoelectric control arrangement for roller lines : de en
  • DE670818C - Device to improve commutator machine reversal : de en
  • CA379172A - Agricultural implement : en fr
  • AU80638A - Improvements in lath shutters : en
  • US2144645A - Folding anchor breaking device : en
  • US2145224A - Ornamental clip : en
  • USD113014S - Design for a horn operating device : en
  • US2144957A - Automatic electrical switch : en
  • US2145145A - Chain tensioning mechanism : en
  • AU238338A - Improvements in high-pressure metal-vapour electric discharge lamps : en
  • US2144609A - Variable speed and motion transmitting mechanism : en
  • US2145035A - Wiper for vanity cases : en
  • FR836829A - Improvements in slipper assembly methods : en fr
  • CA379088A - Eye impression taking method : en fr
  • DE670653C - Drive and control arrangement for the lower deck device on flat weft knitting machines : de en
  • DE670683C - Process for the preparation of isoquinoline compounds bearing a hydroaromatic or partially hydrogenated aromatic radical in the 1-position and their derivatives wholly or partially hydrogenated in the pyridine ring : de en
  • FR836654A - Explorer device for accounting machines : en fr
  • CA379112A - Metal tube uniting device : en fr
  • US2145214A - Parasiticide : en
  • US2145219A - Roller skate for hockey : en
  • AU181538A - Improvements in or relating to variable mutual conductance electric discharge tubes : en
  • US2145216A - Two-needle button sewing machine : en
  • USD113017S - Design for a cup or the like : en
  • US2144874A - Fuel injector : en
  • US2144739A - Naumann : en
  • US2145024A - Directive antenna : en
  • DE670984C - Piston machine with three or more cylinders arranged parallel to the crankshaft : de en
  • DE670842C - Counter for adding up items of different unit values, especially coins for self-sellers : de en
  • DE670758C - Method and device for packaging and manufacturing cube-shaped bodies : de en
  • DE670892C - Process for producing a weft knitted fabric with wide stitches : de en
  • GB499486A - Improvements in and relating to easily removable handles : en
  • FR836644A - Automatic machine for threshing leathers or similar materials : en fr
  • GB499462A - Improvements in boots, shoes and the like : en
  • FR836846A - Control device for gear changes, in particular for motorcycles : en fr
  • DE670791C - Self-excited shaded pole generator delivering constant, load-independent DC voltage over a wide speed range : de en
  • US2144708A - Counting mechanism : en
  • GB499692A - Improvements in heating systems : en
  • GB499764A - Improvements in or relating to processes and means for the production of a uniform distribution of moisture in tobacco or the like : en
  • GB499531A - Improvements in or relating to spring mattresses, seats and the like : en
  • GB499619A - Improvements in and relating to oil actuated braking systems for vehicles : en
  • AU106376B2 - Improvements in rotating-wing aircraft : en
  • DE670781C - Process for the production of magnesium oxide : de en
  • US2144974A - String-tensioning device for musical instruments : en
  • DE670916C - Vertical smoldering furnace with metal inserts : de en
  • US2144850A - Well device : en
  • US2144896A - Gate : en
  • AU106384B2 - Automatic regulation in radio receivers : en
  • US2144940A - Animal trap : en
  • CA379054A - Original copying process : en fr
  • CA379059A - Adhesive : en fr
  • USD113018S - Design for a heel : en
  • AT155426B - Ready-to-install seals for moving machine parts. : de en
  • AU33138A - Improved headband for headwear : en
  • CA379080A - Sound deadening panel : en fr
  • US2144707A - Cut-out : en
  • US2144930A - Paper feeding mechanism : en
  • US2145077A - Container construction : en
  • US2145206A - Depression of carbonaceous material in flotation : en
  • US2145039A - Blind stitch sewing machine : en
  • USD113070S - Design for a bedspread : en
  • USD113063S - Design for an electric fan : en
  • DE670722C - Device for irradiation with cathode rays : de en
  • DE670814C - Coal core microphone : de en
  • US2144808A - Insecticidal composition : en
  • US2144840A - Apparatus for winding material : en
  • AT155444B - Multiple measuring device. : de en
  • US2145142A - Eraser attachment for typewriters : en
  • USD113097S - Design for a textile fabric : en
  • USD113099S - Design fob a suit : en
  • US2145016A - Process of incorporating pectin in bakery products : en
  • GB499615A - Fasteners for bands and the like : en
  • US2145168A - Method of making pipe joint connections : en
  • GB499385A - Improvements in and relating to the automatic control of washing and other machines : en
  • US2144825A - Knitting appliance : en
  • US2144960A - Harrow construction : en
  • US2144679A - Gas operated well pump : en
  • US2145070A - Compounds of the diamino-acridinhjm : en
  • CA379141A - Furnace stoker : en fr
  • DE670992C - Gas-like means for cooling machining tools, in particular cutting tools : de en
  • CA379168A - Automobile door locking and window mechanism : en fr
  • US2144665A - Push button operated master switch : en
  • USD113024S - Design for a bowl or similar article : en
  • CA379129A - Dry shaving device : en fr
  • AU106417B2 - Improved chair specially suited for theatres and the like : en
  • US2144690A - Combination air cooler and refrigerator : en
  • AU106423B2 - Improvements in or relating tothe feeding of sheets : en
  • FR836761A - Radio guidance systems : en fr
  • GB499753A - Improvements in and relating to weaving machinery : en
  • US2144716A - Dispensing and display stand : en
  • US2144859A - Slip flask : en
  • US2145128A - Method of tempering glass articles : en
  • CA379121A - Telephone system : en fr
  • USD113015S - Design for an ice crushing machine : en
  • DE625893C - Packaging box made of sheet metal with overlapping or hooded lid : de en
  • DE670769C - Process for the production of hard objects, in particular cutting tools : de en
  • US2145041A - Test terminal : en
  • USD113059S - Design fob a shoe or similar article : en
  • DK55727C - Atomizer burner for liquid fuel. : da en
  • AU106401B2 - Improved adjustable chair : en
  • US2144925A - Variable resistance unit : en
  • USD112986S - Design for a burial vault : en
  • FR836870A - Improvements relating to luminescent screens : en fr
  • US2144642A - Composition for and method of preventing silver from tarnishing : en
  • USD112992S - Design fob a chair : en
  • CA379074A - Vacuum cleaner : en fr
  • USD113002S - Design fob a molding : en
  • AU106409B2 - Light polarizing means and method of making thesame : en
  • DE670919C - Process for the preparation of oxygen-containing derivatives from divinylacetylene : de en
  • DE670702C - Process for the production of metallic craquelure decorations : de en
  • GB499445A - An improved apparatus for the heat treatment of metals : en
  • AT155493B - Ski binding. : de en
  • DE670741C - Method and device for colon or seam welding : de en
  • DE670785C - Drive of rotating locomotive sliding tables : de en
  • US2145156A - Antiknock control system : en
  • US2144666A - Vitreous enamel : en
  • US2145057A - Pessary : en
  • CA379163A - Sulphur recovery : en fr
  • US2145097A - Condensation of alcohols : en
  • FR836715A - Cathode ray tube for image projection : en fr
  • CA379120A - Cushioning device : en fr
  • AU106394B2 - Improvements in lath shutters : en
  • AT155431B - Establishing installation material for electrotechnical needs, in particular switches, plug and junction boxes. : de en
  • US2144704A - Intermediate for water-insoluble azo dyestuffs : en
  • US2144756A - Process of treating wood pulp to remove pitch : en
  • AT155470B - Process for the production of condensation products from carbonyl compounds and polyvinyl alcohol or partially saponified polyvinyl esters. : de en
  • US2144634A - Can closing machine : en
  • US2144894A - Pilot burner arrangement : en
  • USD113005S - Design fob a game board : en
  • US2144671A - Dry concentrator : en
  • DE670711C - Method of manufacturing footwear with a buttock and a heel cap : de en
  • DE670921C - Process for obtaining pure and durable trimethylene trinitramine : de en
  • GB499359A - Improved radio receiving apparatus comprising means for facilitating tuning : en
  • US2145040A - Method of and machine for making crab joints : en
  • US2144876A - Fishing pole carrier : en
  • US2145151A - Method of manufacturing cigarette paper : en
  • US2145018A - Clock : en
  • AU106364B2 - Improvements in high frequency resonant systems : en
  • DE670612C - Process for the production of color line screens with non-overlapping color lines for photographic color images by means of clichés : de en
  • US2144920A - Automatic volume control circuits : en
  • US2144631A - Air distributing device : en
  • US2144747A - Collapsible tent : en
  • CA379099A - Welding apparatus : en fr
  • US2145021A - Electromagnetic device : en
  • AU11138A - Process forthe manufacture of building materials : en
  • US2145093A - Skid platform : en
  • US2144863A - Door hinge : en
  • US2144719A - Wind operated power generator : en
  • US2144868A - Apparatus for making insulated electrical conductors : en
  • US2144958A - Loom shuttle : en
  • CA379111A - Lipstick container : en fr
  • DE670614C - Time backup for electrically wound clocks : de en
  • AT155474B - Closure device for introducing and discharging granular substances in gas-carrying spaces, such as catalytic ovens and. like : de en
  • CA379079A - Container and closure : en fr
  • CA379106A - Well coating composition : en fr
  • DE670854C - Driving toy driven by a spring mechanism : de en
  • DE670912C - Antenna structure with preferably all-round ground radiation for broadcasting purposes : de en
  • FR836718A - Shutter member made up of several elastic blades and acting automatically : en fr
  • US2144822A - Circuit arrangement for facilitating the tuning of radio receiving sets : en
  • FR836632A - Method and device for automatically regulating the temperature of stores and warehouses with a view to preventing water condensation therein : en fr
  • AT155461B - Process for finishing textile fibers. : de en
  • FR836630A - Process for the preparation of hydrocarbon fractions : en fr
  • FR836891A - Improvements to advertising devices and the like : en fr
  • AU228638A - Improvements in contact bases and shielding for electron discharge tubes : en
  • US2144652A - Method of producing lubricating oil : en
  • US2145026A - Method of and apparatus for telemetric receiver indicating : en
  • AT155433B - Telephone dialer. : de en
  • AU106385B2 - Improvements in and relating to cultivating devices for attachment to harrows : en
  • CA379104A - Azo dye and colour lake : en fr
  • AU106406B2 - Improvements in contact bases and shielding for electron discharge tubes : en
  • CA379081A - Cigarette wrapping method : en fr
  • FR836735A - Improvements to adjustable power and frequency vibrators : en fr
  • FR836800A - Packaging for sensitized media for the production of photographic negatives : en fr
  • DE670907C - Double hinge to be used especially for windows : de en
  • FR836791A - Improvements to pallet or spade devices for wheels of agricultural tractors or the like, new removable systems and new wheels : en fr
  • GB499457A - Improvements in the capsuling heads of hydraulic capsuling machines : en
  • GB499722A - Improvements relating to joint-making packing : en
  • AT155423B - Heating device for hair curlers. : de en
  • USD113009S - Design fob a motor coach : en
  • AU198238A - Improvements in high frequency resonant systems : en
  • DE670731C - Deflection device for a machine control, in particular for a locomotive piston valve control : de en
  • US2144748A - Fluid meter : en
  • AT155432B - Process and device for converting energy. : de en
  • AU106420B2 - Improvements in telephone systems and automatic switches suitable for use therein : en
  • CA379073A - Vacuum cleaner : en fr
  • AT155450B - Plate leveler. : de en
  • GB499416A - Improvements in, or relating to, cuff links and the like : en
  • GB499365A - Improvements in or relating to water tube steam boilers : en
  • AT155437B - Device for the automatic stopping of machines for the production of strands, cables and ropes. : de en
  • DE670708C - Device for operating aircraft landing sails : de en
  • US2144694A - Asphaltic product and method of producing same : en
  • US2144943A - Heat-absorbing glass : en
  • US2144984A - Backlash snubber : en
  • FR836782A - Process for the preparation of polysilicates : en fr
  • US2144916A - Rail reforming device : en
  • US2144986A - Inserted blade cutter : en
  • GB499601A - Improvements in and relating to electrical apparatus for comparing impulse frequences : en
  • GR7953B - PLAY (BACKGAMMON). : el en
  • USD113003S - Design for a molding : en
  • FR836675A - Heavy oil burner : en fr
  • GB500043A - Improvements in or relating to the method of and apparatus for separating materials : en
  • GB499338A - A composition for creating a protective and anti-friction surface on moving metallic parts : en
  • GB499640A - Improvements in powder puffs : en
  • FR836744A - Improvements in the constitution and manufacture of electric spark plugs : en fr
  • FR836860A - Assembly to produce variations, preferably periodic, of the current or the voltage supplied by a relaxation generator : en fr
  • GB499820A - Improvements relating to telephone systems : en
  • FR836832A - Improvements to combustion antechamber engines of the direct air cooling type : en fr
  • GB499686A - Improvements relating to frictional drives, including conveyor bands : en
  • GB499823A - Improvements in or relating to electric signalling arrangements including multi-grid thermionic valves : en
  • AU106391B2 - Improved headband for headwear : en
  • AU106408B2 - Improvements in or relating to high-frequency chokes consisting ofa coil wound in several layers : en
  • USD113088S - Design for a textile fabric : en
  • FR836726A - New universal frame for surgical table : en fr
  • GR7932B - WOODEN Clamp WITHOUT ANY METAL. : el en
  • US2145226A - Movable fourdrinier suction box assembly : en
  • FR836612A - Improvements to textile machines, especially portable weaving machines : en fr
  • GB499452A - Improvements in or relating to electric discharge tubes : en
  • GB499582A - Improvements in spread trail artillery carriages : en
  • FR836618A - Process for homogenizing the milk and supplementing it if necessary : en fr
  • GB499696A - A method of manufacturing sheet metal radiator elements and the product manufacturedthereby : en
  • GB499759A - Improvements relating to the manufacture of alternating current rectifiers of the dry contact type : en
  • FR836855A - Process for the preparation of cation exchange substances and substances obtained by application of this process : en fr
  • GB499525A - Improvements in and relating to cigarette cases, wallets and like cases : en
  • DE670974C - Wheel set with loose wheels for conveyor wagons : de en
  • GB499590A - Improvements in and relating to radio frequency electric filters : en
  • GB499705A - Improvements in and relating to an improved flushing system for water closets : en
  • GB499814A - Improvements in or relating to adhesives : en
  • GB499822A - Improvements relating to telephone systems : en
  • GB499502A - Improvements in shift mechanism for typewriters and like machines : en
  • GR7931B - ELECTRIC MACHINE FOR HEATING OR COOLING OF THE AIR. : el en
  • GB499383A - Improvements relating to position-finding radio apparatus : en
  • GB499571A - Improvements in and relating to methods of and apparatus for producing periodic impulses : en
  • GB499661A - Improvements in or relating to light sensitive electron discharge devices : en
  • US2144601A - Automatic volume control circuit : en
  • US2144793A - Clothes wringer : en
  • USD113052S - Design fob a textile fabric : en
  • DE670684C - Process for the preparation of substituted 2,4-dioxothiazolidines : de en
  • FR836866A - Device for transmitting signals to the driver of a train : en fr
  • GB499600A - Improved system for regulating the output voltage of an alternating current dynamo-electric generator : en
  • GB499740A - Improvements in goggles : en
  • GB499526A - Improvements in or relating to screw propellers : en
  • GB499578A - Improvements in or relating to methods of preserving latex : en
  • US2144735A - Machine tool : en
  • US2144818A - Well pipe plug : en
  • US2144998A - Combined glow cathode and acceleration diaphragm : en
  • FR836848A - Improvements to check valves on the discharge of a pump : en fr
  • GB499415A - Improvements in the manufacture and production of halogenated phthalocyanines : en
  • USD112997S - Design for a belt clasp : en
  • GB499861A - A new or improved automatic piloting apparatus for air or maritime craft : en
  • GB500034A - Manufacture of capillary-active compounds : en
  • GB499819A - Improvements in linear measuring devices more especially for use in the game of bowls : en
  • USD113094S - Design for a coat : en
  • US2144967A - Spinning tong : en
  • US2144884A - Brushless shaving cream : en
  • GB499447A - Improvements in and relating to electric heating elements : en
  • CA379108A - Coating composition : en fr
  • FR836680A - Homopolar alternator : en fr
  • GB499648A - Improved process of hardening photographic silver halide emulsion layers and other layers containing protein : en
  • US2145148A - Bottle collar : en
  • FR836723A - Device for the distribution of water and various solutions for medical care or other uses : en fr
  • USD113084S - Design for a font of decorative : en
  • AU311138A - Improvements in or relating tothe feeding of sheets : en
  • US2144819A - Conversion of hydrocarbon oils : en
  • US2144941A - Placer mining device : en
  • USRE20987E - Ice cream manufacturing apparatus : en
  • CA379191A - Production of yarn, fabrics, etc. : en fr
  • GB499644A - Improvements relating to automatic steering systems for ships : en
  • FR836897A - Compensation of supply voltages in transmitters : en fr
  • DE670759C - Coffee residue drum : de en
  • US2144617A - Electrical therapeutic and amusement apparatus : en
  • CA379177A - Smoke consuming appliance : en fr
  • USD113071S - Design for a bedspread : en
  • DE670821C - Ferrari engine with a drive magnet : de en
  • FR836802A - Solid rubber wheel : en fr
  • GB499751A - Improvements in or relating to copying machines : en
  • US2144895A - Toggle bolt : en
  • DE670841C - Folding sliding gate made of several gate panels connected in pairs by hinges : de en
  • GB499965A - Improvements in or relating to the production of artificial filaments, yarns and threads : en
  • USD113029S - Design for a portable refrigerator : en
  • US2145067A - Wheel flange oiler : en
  • GB499690A - Improvements relating to automatic control devices for variable-speed transmissions,particularly for automobile vehicles : en
  • DE670637C - Delivery device for rotary printing machines : de en
  • DE670934C - AC rectifier with harmoniously oscillating armature and freely oscillating direct current tapping pieces : de en
  • GB499591A - Improvements in or relating to electric wave filters : en
  • GB499542A - Improvements in wetting, sudsing, emulsifying and detergent agents : en
  • FR836611A - Process for curing polymerizates and products obtained : en fr
  • FR836672A - Improvements to silencers for gas streams : en fr
  • FR836725A - Electron path control systems and devices using them : en fr
  • GB499716A - Improvements in dynamo electric machines : en
  • GB499662A - Improvements in or relating to electron discharge devices for use in television and like systems : en
  • CA379190A - Production of yarn, fabrics, etc. : en fr
  • AU106362B2 - Improvements in mechanism for recording information in telephone systems : en
  • US2144907A - Garment bagging apparatus : en
  • DE670241C - Firing pin safety on a self-loading pistol with hammer and trigger : de en
  • DE670867C - Braking of short circuit armature motors : de en
  • DK55730C - System for the transmission of several signal concepts to or from a running train. : da en
  • AU111123B2 - A projectile fuze : en
  • CA379189A - Production of yarn, fabrics, etc. : en fr
  • US2144947A - Loom : en
  • US2145225A - Ultra-high-frequency radio transmitter : en
  • FR836810A - Improvements made to devices intended to affix signs to cards or tickets, in particular to cancel transport tickets : en fr
  • GB499708A - Improvements in radio goniometers : en
  • DE670620C - Method and device for keeping constant the mean value of the strength of the current flowing in an electrical system, in particular an X-ray system : de en
  • GB499327A - Improvements in or relating to shoe sewing machines : en
  • US2145014A - Hydraulic jack : en
  • USD113065S - Design for a radio tube shield : en
  • DE670883C - Box with a lid that can be folded back into the vertical position on the rear wall of the lower part of the box, especially for card files : de en
  • GB499522A - Improvements relating to centrifugal pumps : en
  • GB499635A - Inking mechanism for printing machines : en
  • CA379188A - Photographic objective : en fr
  • CA379212A - Mucking machine : en fr
  • AT155496B - Safety device for gas burners. : de en
  • US2144911A - Apparatus for the manufacturing of flakes : en
  • US2144935A - Automatic volume control circuits : en
  • USD113037S - Design for a tumbler rack : en
  • USD112983S - Design fob a whisky glass ob similar : en
  • USD113090S - Design for a dress : en
  • GB499811A - Improved indicating instrument more especially for aircraft : en
  • FR836865A - New industrial product and articles manufactured using this product by molding or the like, for surface decoration and other applications : en fr
  • GB499351A - Improvements in or relating to vehicle bodies : en
  • GB499439A - Improvements relating to sideboards : en
  • GB499471A - Improvements in or relating to oscillators of the type comprising a discharge tube having an indirectly-heated cathode : en
  • GB499620A - Decorative rubber covering for flower pots : en
  • FR836760A - Electric induction oven : en fr
  • GB499354A - Improvements in and connected with the purification of gas oil which has served for the recovery of benzol from gas resulting from the carbonisation of coal : en
  • GB499488A - Fuel feeding devices for internal combustion engines : en
  • FR836796A - Rosin for coating the horsehair of violin bows and similar applications, as well as the manufacturing process : en fr
  • FR836852A - Device for handling and transporting various materials : en fr
  • US2144730A - Boxcar : en
  • US2144883A - Device for holding in readiness a supply of adhesive paper bands provided with carrying handle loops : en
  • DE670798C - Residential complex with parts of the garden protected from view : de en
  • DE670913C - Process for the production of straight or curved mass resistors with curved characteristics : de en
  • FR836617A - Device for venting hydraulic installations, for example hydraulic brakes : en fr
  • FR836677A - Improvements to glasses : en fr
  • GB499748A - Improvements in electric protective arrangements : en
  • FR836841A - Low current probe tube : en fr
  • GB499426A - Emergency brake apparatus for motor road vehicles : en
  • DE670958C - Flashing ignition device for gas burner : de en
  • FR836843A - Complexes containing copper and derived from azo dyes of the stilbenic series and method of preparing these complexes : en fr
  • GB499342A - Improvements in or relating to bedsteads : en
  • GB499474A - Improvements in and relating to oil coolers for internal combustion engines : en
  • DE670918C - Process for the preparation of N-aminoalkylamides : de en
  • FR836823A - Process for collecting volatile aromatic hydrocarbons : en fr
  • GB499610A - Improvements in or relating to the treatment of spent alkali metal hydroxide reagentfrom caustic-alkali lead or lead alloy refining processes : en
  • GB499649A - Improvements in or relating to electron multipliers : en
  • US2145139A - Napkin and similar article : en
  • DE670904C - Incendiary device for generating pressurized gas in fire extinguishers : de en
  • FR836874A - Coating preparations and their manufacturing process : en fr
  • GB499519A - Valve device for pressure fluid pipes or containers particularly for fire extinguishers : en
  • GR7944B - LETTER OF PAPER. : el en
  • GB499336A - Manufacture of azo dyestuffs on the fibre : en
  • GB499595A - Improvements in and relating to milling machine tools : en
  • US2144891A - Sparking plug : en
  • US2144722A - Apparatus for operating upon parts of shoe uppers : en
  • US2144830A - Therapeutic preparation : en
  • US2145132A - Apparatus for blending liquids : en
  • FR836737A - Post of t. s. f. or television with reading light : en fr
  • GB499475A - Arrangement for electrodynamic relays : en
  • US2144875A - Garment : en
  • CA379069A - Textile article : en fr
  • US2144857A - Sandglass : en
  • USD113051S - Design for a kitchen ventilator : en
  • US2144978A - Box : en
  • USD113022S - Design for a clock : en
  • GB499477A - Improvements in and relating to winches : en
  • US2145127A - Telephone system : en
  • GR7939B - SYSTEM TO AVOID RAILWAY COLLAPS. : el en
  • DE670796C - Device for securing foldable side walls of bed frames : de en
  • US2144650A - Addressing machine : en
  • US2144785A - Apparatus for the production of artificial silk : en
  • DE670652C - Coil for ironless induction ovens consisting of water-permeated square tubes : de en
  • FR836758A - Control device for traffic regulators in pneumatic transport : en fr
  • GB499585A - Improvements in or relating to vane pumps : en
  • USD113030S - Design for a combined hood and sup : en
  • US2145036A - Process of preparing printing plates : en
  • US2145137A - Diaper : en
  • DE670839C - Clamp for fastening one or more lights on a flexible metal hose : de en
  • DE670936C - Bleach for fats and oils : de en
  • FR836863A - Water conditioning unit with double-mix feed and distribution device : en fr
  • FR836755A - Improvements to the alumina production process : en fr
  • FR836798A - Improvements to processes to improve textile fibers : en fr
  • GB499697A - Improvements in or relating to guns which fire during forward movement of the gun : en
  • GB499627A - Improvements in and relating to methods of making electrodes for electrolytic condensers : en
  • GB499858A - Improvements in and relating to aqueous emulsions of nitrocellulose and to processes for manufacturing the same, and to paper products treated with the same : en
  • US2145134A - Electric arc illumination : en
  • GB499420A - Improvements in or relating to bottles, flasks and like containers for liquids : en
  • GB499356A - Improvements in and relating to matchboxes : en
  • FR836747A - Dropper : en fr
  • USD113062S - Design for an electrical : en
  • USD113091S - Design for a bedspread : en
  • US2144790A - Spot welder : en
  • US2145006A - Turbo gearing : en
  • AT155495B - Method and device for conveying powdery material. : de en
  • AU54238A - Machine for impressing relief patterns in felt sheets : en
  • US2145120A - Clothes hanger : en
  • US2145157A - Incandescent electric lamp : en
  • US2144881A - Sheet feeding mechanism for printing machines : en
  • US2145141A - Trip mechanism for oil switches : en
  • US2145095A - Telephone system : en
  • US2144614A - Aircraft automatic pilot : en
  • US2144753A - Showcase rail : en
  • AU178138A - Improvements in automatic ticketing machines for use in telephone systems : en
  • AU278338A - Improvements in impulse repeating arrangements in telephone or like systems : en
  • CA379137A - Lamination process : en fr
  • US2145005A - Hydraulic turbine torque converter : en
  • CA379134A - Organic polar compound : en fr
  • AU248038A - Light polarizing means and method of making thesame : en
  • US2144915A - Tapered thermostatic element : en
  • US2145161A - Control apparatus : en
  • AU35538A - Improvements in telephone systems and automatic switches suitable for use therein : en
  • AT155466B - Process for the production of water-insoluble azo dyes. : de en
  • US2145130A - Cooling liquefied gases : en
  • AU106413B2 - Improvement in temperature controlling and ventilating system : en
  • CA379183A - Coal gravity concentration : en fr
  • US2145203A - Method of analysis : en
  • CA379055A - Fabric for collars and cuffs : en fr
  • CA379084A - Cap and package : en fr
  • US2145043A - Sewing machine : en
  • US2144603A - Firearm : en
  • US2144701A - Metal barrel bung and method of making same : en
  • US2144816A - Manufacture of alkyl halides : en
  • AU151538A - Improvements in or relating to electric gas discharge tubes : en
  • CA379153A - Directive antenna : en fr
  • FR836818A - Improvements in electric induction heaters for the heat treatment of metal articles : en fr
  • GB499718A - Improvements in tractor trailer coupling devices : en
  • US2144846A - Golf club : en
  • CA379110A - Cellulose product : en fr
  • US2144723A - Spool : en
  • USD113061S - Design fob a shoe ob similab abticle : en
  • DE670978C - Device for breaking off and turning over the scored upper end of an endless glass ribbon excavated in a vertical position : de en
  • GB499706A - Improvements relating to sound reproducers and recorders : en
  • CA379174A - Motor vehicle driving mechanism : en fr
  • DE670910C - Method of manufacturing rigid shoe caps : de en
  • US2144835A - Movable display device : en
  • AU106383B2 - Process forthe manufacture of high pressure lubricants : en
  • AU16438A - Improved chair specially suited for theatres and the like : en
  • CA379167A - Automobile door locking and window mechanism : en fr
  • CA379215A - Composite fabric : en fr
  • AU22539A - A projectile fuze : en
  • CA379157A - Carbonizing plant charging apparatus : en fr
  • CA379208A - Safety water light : en fr
  • DE670718C - Side wall windows in vehicles, in particular in rail vehicles : de en
  • GB499316A - Improvements in or relating to means for cooling electron discharge devices : en
  • GB499597A - Improvements in or relating to water heaters : en
  • CA379102A - Accelerator pedal : en fr
  • CA379123A - Index tab : en fr
  • US2144805A - Toy catapult : en
  • US2145111A - Electrical discharge device : en
  • AT155422B - Circuit arrangement for telecommunications or telephone systems with several connection points arranged on a line. : de en
  • US2145178A - Thread holder for spools : en
  • DE670967C - Process for the production of a product containing colloidal zinc and magnesium carbonate, which can be used in particular for rubber mixtures : de en
  • AU53938A - Improvements in electric discharge lamps : en
  • US2144902A - Cap for collapsible tubes : en
  • US2144969A - Spaceband buffer for linotype machines : en
  • US2145181A - Dispensing box : en
  • US2144750A - Process for the production of hydrated olefines : en
  • US2145045A - Permanent hair waving apparatus and method : en
  • US2145054A - Take-down firearm : en
  • AT155455B - Sheet metal packaging can and process for their manufacture. : de en
  • DE670804C - Device for bushing out machine cylinders and machine bearings : de en
  • AU106404B2 - Improvements relating to fastener members and installations of the same : en
  • CA379151A - Wave transmission network : en fr
  • FR836836A - Process for the operation of a telephone installation or / and of telephone broadcasting by wire, and remote transmission installation for the application of the method : en fr
  • GB499739A - Sewing machine : en
  • USD113001S - Design for a molding : en
  • USD113044S - Design for a luggage case : en
  • GB499546A - Improved thermionic-valve circuit for generating ultra-high frequency oscillations : en
  • US2144644A - Spray head : en
  • DE670870C - Electrically insulating storage device for the motor blower unit of vacuum cleaners : de en
  • US2145085A - Cylinder lock : en
  • DE670834C - Arrangement for signal return detectors : de en
  • US2144762A - Recording thermometer : en
  • US2144898A - Unitary expansion valve and distributor mechanism : en
  • US2144880A - Closure for containers : en
  • US2145073A - Grille and method of making the same : en
  • USD113087S - Design for a dress : en
  • US2144795A - Hydromechanical transmission for motor vehicles : en
  • US2144971A - Manufacture of carbon black : en
  • USD113016S - Design for an ice crushing machine : en
  • DE670862C - Switch arrangement for high voltages : de en
  • FR836707A - Automatic device for dispensing branded tokens for board games : en fr
  • USRE20986E - Vanity case : en
  • DE670650C - In particular, electrical metal vapor discharge tubes with glow electrodes used to emit radiation : de en
  • GB499550A - Improvements in and relating to halogen derivatives of rubber : en
  • FR836770A - Safety switch for automobiles : en fr
  • FR836815A - Device used to mount hooks on the leaders of fishing lines : en fr
  • FR836793A - Method of dispersing metallic elements : en fr
  • DE670889C - Control valve for pneumatically or hydraulically controlled switchgear : de en
  • US2144620A - Perforating machine : en
  • CA379179A - Sliding door wardrobe : en fr
  • GB499324A - Improvements in or relating to range finder and view finder systems for photographiccameras : en
  • GB499746A - Improvements in or relating to electrically heated kettles : en
  • GB499496A - Improvements relating to electric switches for use in alternating current circuits : en
  • US2144807A - Control mechanism for coin actuated machines : en
  • US2145101A - Mold coating apparatus : en
  • GB499663A - Improvements in electric circuit breakers of the impulse type : en
  • DE670856C - Device to facilitate the classification and compilation of objects, e.g. of folders : de en
  • DE670794C - Bearing part for the pivot pin on folding seats of seating, z. B. Row armchairs : de en
  • GB499609A - Improvements in and connected with laundry power presses : en
  • FR836740A - Light mixing device for two light sources : en fr
  • GB499658A - Improvements in or relating to the manufacture of bottle or the like cap linings : en
  • DK55738C - Adhesive. : da en
  • DE670953C - Bounce-free backfire protection relay for controllable converters, e.g. Mercury vapor converter : de en
  • GB499514A - Variable pitch propeller : en
  • US2145037A - Cushion support for furniture : en
  • US2144745A - Lighting fixture : en
  • US2145110A - Esters of cellulose containing radicals of the acids of tetrahydrofurane and its derivatives and their preparation : en
  • US2144725A - Silencer : en
  • FR836827A - Navigation telemetry system for ships, aircraft and similar applications : en fr
  • GB499606A - Improvements in or relating to pressure relief valves : en
  • GB499328A - Improvements in polyphase watthour meter construction : en
  • GB499765A - Improvements in or relating to medical injections : en
  • FR836622A - Remote controlled coupling and uncoupling device for electric toy railways : en fr
  • US2145068A - Tile and tile assembly : en
  • GB499668A - An improved refrigerating system : en
  • DE670772C - Device for dust extraction from coal or other material to be screened through screening machines : de en
  • DE670931C - Discharge tubes for relay purposes with automatic glow discharge between the main electrodes and with a photoelectrically sensitive electrode that is in electrically conductive connection with the main cathode : de en
  • US2144693A - Method and means for controlling air conditioning systems : en
  • AU106407B2 - Improvements relating tothe manufacture of cement : en
  • CA379156A - Dry shaving device : en fr
  • DE670962C - Wetting agents : de en
  • US2145113A - Refractory cast block and method of producting the same : en
  • US2145107A - Tray : en
  • FR836876A - Electrical assembly comprising a discharge tube : en fr
  • CA379133A - Towel dispensing cabinet : en fr
  • CA379086A - Heat exchanger : en fr
  • FR836635A - Transmitting device used to generate guidelines : en fr
  • FR836691A - Improvement in furnaces and device to offer gases varied routes in them : en fr
  • DE670850C - Heel nailing machine, especially for nailing on rubber heels : de en
  • GB499702A - Printing telegraph apparatus : en
  • US2144869A - Rotary jar : en
  • US2144625A - Phonographic time announcer : en
  • US2144759A - Bottle washer : en
  • US2144729A - Apparatus for forming tying strips and applying the same to bags : en
  • CA379119A - Alkali metal alcoholate manufacture : en fr
  • GB499730A - Improvements in and relating to liquid filled electrical insulating bushings : en
  • CA379049A - Jacquard knitting mechanism : en fr
  • DE670792C - Collector for small electric motors : de en
  • US2144643A - Sheet metal and method of producing the same : en
  • DE670903C - Process for coating objects made of aluminum or aluminum alloys with galvanic coatings : de en
  • FR836605A - Auxiliary tuning device by variable resistance : en fr
  • GB499464A - Improvements in or relating to electric discharge tubes : en
  • FR836739A - New protection device for underground cables : en fr
  • GB499689A - Improvements in yarn gassing machines : en
  • FR836712A - Card game : en fr
  • FR836898A - Products for toppings : en fr
  • FR836849A - Key for opening containers for film on reels inserted in light-tight sheaths : en fr
  • GB499540A - Improvements in combinations of electric discharge devices with incandescent filaments in series with them : en
  • US2144936A - Arrangement for electric intercommunication : en
  • CA379105A - Alkylene amine production : en fr
  • US2144659A - Bookstand : en
  • US2144799A - Center feed stamp mill : en
  • GB499360A - Improvements in or relating to friction clutches : en
  • FR836733A - Dializer apparatus in particular for washing blood or other body fluids : en fr
  • FR836637A - Improvements in circuit arrangements for controlling electro-magnetic devices : en fr
  • FR836639A - Compounds with capillary action and process for the preparation thereof : en fr
  • GB499720A - Flow meter for liquids with distant indication : en
  • FR836814A - Bra : en fr
  • AU289638A - Polymerisation products and process of producing same : en
  • GB499361A - An improved supporting foot for furniture : en
  • DE670655C - Process for reducing the water content of rayon rolls : de en
  • DE670820C - Device for controlling grid-controlled discharge lines : de en
  • GB499733A - Improvements in metal-vapour electric discharge lamps : en
  • GB499363A - Apparatus for discharging powdered or granular material : en
  • GB499877A - Improvements in thermionic valve and like circuits : en
  • US2144951A - Firearm : en
  • DE670808C - Air pump built into the bike frame : de en
  • GR7951B - DISC WITH POTS FOR COOKING USE. : el en
  • CA379128A - Fuse cut-out : en fr
  • AT155456B - Nozzle for sandblasting blowers, in particular for cleaning or removing paint from leather goods. : de en
  • USD113057S - Design for a shoe : en
  • US2145197A - Circular knitted article with pouch : en
  • CA379145A - Ball joint for wheel suspensions : en fr
  • CA379166A - Lenticular film copying device : en fr
  • AT155430B - Air separator for fuel delivery systems of variable-position internal combustion engines. : de en
  • AU10938A - Improvements in and relating to cultivating devices for attachment to harrows : en
  • US2144847A - Impulse producing circuit : en
  • US2145011A - Process for matting textiles : en
  • AT155478B - Building material and process for its manufacture. : de en
  • US2144733A - Motor control mechanism : en
  • DE670880C - Chisel with hard metal insert : de en
  • CA379057A - Composite fabric : en fr
  • AT155483B - Friction wheels for pyrophoric lighters. : de en
  • CA379149A - Electrical protective system : en fr
  • US2144612A - Preparation of glycerol dichlorohydrin : en
  • US2145007A - Plow hitch : en
  • USD113074S - Design fob a bedspread : en
  • US2144661A - Bail attaching means : en
  • US2144737A - Door latch : en
  • USD113079S - Design for a dress : en
  • US2144786A - Starting system for internal combustion engines : en
  • US2145188A - Cultivator : en
  • USRE20984E - Slide rule : en
  • AT155453B - Method of manufacturing bearings. : de en
  • CA379139A - Lock nut : en fr
  • DE670960C - Device for patterning fabrics, tulle, paper, leather, rubber, metal and other foils or the like on one or both sides by blowing fibers : de en
  • CA379117A - Knitted fabric : en fr
  • US2145193A - Vat dye composition : en
  • AT155460B - Process for recycling the exhaust gases in carbon disulfide plants. : de en
  • AU13038A - Frequency selective circuits : en
  • US2145177A - Flock cutting machine : en
  • US2145143A - Molded container or receptacle : en
  • CA379144A - Lubricated rubber joint : en fr
  • US2144619A - Fire fighting equipment : en
  • US2144664A - Attachment for spinning machines : en
  • FR836606A - Board game : en fr
  • FR836741A - Device for progressive absorption of the shock force when opening the parachute : en fr
  • FR836784A - Method and apparatus for manufacturing variable profile parts, made of rubber or other plastics : en fr
  • GB499407A - Improved means for attaching flexible conductors to electric terminals, contacts, orthe like : en
  • GB499368A - Improvements in silencers for operation with a plurality of internal combustion engines : en
  • GB499411A - Electric converters : en
  • US2145056A - High speed cylinder printing press : en
  • GB499508A - Improvements in or relating to dandy rolls : en
  • GB499770A - Improvements in or relating to the production of boron halides : en
  • AU79138A - Improvements in tennis rackets : en
  • CA379058A - Composite fabric : en fr
  • US2144776A - Synchronization method for television : en
  • US2144811A - Composition for permanent hair waving and method : en
  • US2145136A - Recoil-operated firearm : en
  • CA379186A - Dumping vehicle : en fr
  • DE670863C - Arrangement for switches with separation of the contacts within a liquid with at least two interruption points that open one after the other : de en
  • FR836756A - Method and device for the preparation of foundry sands : en fr
  • US2144994A - Emulsifier : en
  • DE670837C - Adjusting device for an electrical snap switch : de en
  • USD113048S - Design for a broom cover for : en
  • USRE20985E - Process of making artificial stone : en
  • FR836854A - Handle for packing box : en fr
  • CA379114A - Electric connector : en fr
  • DE670943C - Device to compensate for the measurement errors of gas meters with creeping control and crank drive : de en
  • GB499622A - Improvements in or relating to apparatus for driving co-axial propellers in opposite directions : en
  • FR836751A - Statistical device : en fr
  • US2144602A - Wall bracket : en
  • DE670651C - Method for sealing further exhaust pipes : de en
  • GB499349A - Improvements in or relating to grinding machine work-clamping mechanism : en
  • GB499650A - Improvements in gas or electric fires : en
  • FR836653A - Typewriter : en fr
  • GB499679A - Improvements in or relating to heels for boots and shoes, the toppiece of which is reinforced at the back portion and capable of producing increased wear : en
  • DE670848C - Foot drive for vehicles, especially bicycles : de en
  • GB499599A - Improvements relating to the protection of metal articles against corrosion by coating by electro deposition : en
  • DE670982C - Device for viewing, in particular, projected stereo images : de en
  • DE670672C - Process and apparatus for the production of sulfuric acid by the contact process : de en
  • FR836830A - Poster or light board that can be used for advertising : en fr
  • DE670689C - Device for controlling gas or vapor discharge lines : de en
  • FR836634A - Device for transforming an ordinary body motor car into an aerodynamic car : en fr
  • AT155428B - Liquid feed line for epicyclic gear. : de en
  • US2144706A - Cylinder for engines of the opposed piston type : en
  • USD113085S - Design for a dress : en
  • US2145144A - Apparatus for producting yarn : en
  • US2145190A - Swivel joint hard oil remover : en
  • FR836750A - Method and apparatus for the removal of colloidal impurities from solutions and in particular from sugar juice and waste water : en fr
  • USD112995S - Design for an elevated tank : en
  • CA379176A - Thermoplastic fastener manufacture : en fr
  • FR836666A - Gas electric discharge tube : en fr
  • GB499318A - Manufacture of pentamethine-ªÏ-aldehyde heterocyclic bases : en
  • GB499345A - Automobile steering wheel construction : en
  • FR836838A - High dielectric constant insulating material sheet : en fr
  • GB499413A - Improvements in or relating to machines for making electric incandescent lamps or the like : en
  • GB499347A - Improvements in or relating to combined gas heated or electrically heated washing and wringing machines : en
  • FR836806A - Refrigeration plant with compression piston : en fr
  • US2145152A - Grave cribber : en
  • GB499391A - Improvements in or relating to cosmetic preparations and the like and processes for their production : en
  • GB499499A - Improvements in or relating to shedding mechanism for circular looms : en
  • GB499343A - Improvements in or relating to the electro deposition of metals : en
  • GR7943B - SHAVER SHAVER SHARPENER. : el en
  • DE670735C - Easily detachable rail fastening with clamping plates rotatable around its vertical axis : de en
  • AU106390B2 - Improvements in breaking-down saws : en
  • FR836676A - Improvements to metal hunting cartridges : en fr
  • US2144749A - Sound reproduction : en
  • USD113073S - Design for a : en
  • US2145202A - Method and device for relieving spirally grooved screw groove milling tools : en
  • CA379165A - Book-match cover : en fr
  • DE670706C - Device for the continued delivery of even amounts of material to be conveyed, in particular spinning solutions, with the assembly of a conveyor pump and a control pump : de en
  • GB499654A - Improvements relating to locked coin-containers for use more especially with coin-freed apparatus : en
  • GB499726A - Improvements in electric tumbler switches : en
  • DE670712C - Device on cards for lifting the fibers stuck in the drum fitting : de en
  • FR836627A - Support for resonating crystals : en fr
  • GB499487A - Improvements in or relating to electron discharge devices for voltage amplification or control : en
  • GB499562A - Vibrating roller : en
  • US2145019A - Cloth washer : en
  • GB499961A - Improvements in and relating to doors for the gas-tight closure of rooms : en
  • US2144963A - Clothesline : en
  • USD113064S - Design for a slipper : en
  • CA379082A - Imprint bronzing apparatus : en fr
  • US2144791A - Golf bag : en
  • DE670874C - Filter hose closed at the top : de en
  • FR836847A - Device for delivering liquid against high pressure, in particular for injecting liquid fuel into internal combustion engines without air : en fr
  • GB499362A - Scraper arrangement for centrifugal separators : en
  • GB499512A - Improvements in or relating to carrier signalling systems applicable to electric protection systems : en
  • DE670852C - Process for generating fog for military purposes : de en
  • CA379107A - Azo dyestuff : en fr
  • FR836694A - Inductance devices : en fr
  • AU336838A - Improvements in rotating-wing aircraft : en
  • DE670682C - Garment with an incorporated clothes hanger : de en
  • DE670838C - Overcurrent protection device for electrical apparatus : de en
  • US2144618A - Ore reduction process : en
  • US2144743A - Apparatus for mining submerged precious metals : en
  • AU359738A - Improvements in or relating tothe thermal generation of electric current : en
  • DE670879C - Impression and measuring jacket : de en
  • US2144608A - Railway track construction : en
  • US2145182A - High pressure fluid insulated electric cable : en
  • CA379201A - Hernia truss : en fr
  • DK55728C - Piston machine with star-shaped cylinders. : da en
  • CA379217A - Textile article : en fr
  • US2144714A - Hair curler : en
  • US2144903A - Spinner bobbin : en
  • USD112998S - Design for a ridge boll : en
  • AT155443B - High pressure metal halide lamp. : de en
  • US2144977A - Hinge for curved vehicle doors : en
  • US2145176A - Flock cutting machine : en
  • CA379159A - Acoustic tile : en fr
  • US2145017A - Variable compression ratio internal combustion engine : en
  • US2145180A - Electric discharge device having a filling of gas or vapor : en
  • US2145195A - Adhesive compositions : en
  • AT155462B - Process for the production of hydrogen peroxide. : de en
  • CA379142A - Steam separator : en fr
  • CA379182A - Vapour electric discharge apparatus : en fr
  • GB499367A - Improvements in or relating to shutters for photographic cameras : en
  • GR7954B - METHOD OF CONNECTION OF BROKEN CANNEST SHAFTS. : el en
  • DE670890C - Rod expansion controller for monitoring several circuits of electrically heated hot water storage tanks : de en
  • AU109038A - Effervescent milk of magnesia and method of producing same : en
  • DE670939C - Process for casting particularly pressure-tight hollow bodies with a partition wall, e.g. Flow valve housings : de en
  • US2145223A - Combined dripper and cap : en
  • DE670763C - Ticket printer : de en
  • US2144988A - Flour treating apparatus : en
  • US2144682A - Blow-out preventer : en
  • US2144721A - Apparatus for operating on shoe blanks : en
  • FR836792A - Advanced barrel : en fr
  • US2144724A - Vulcanizer : en
  • FR836767A - Suction pipe shutter : en fr
  • GB499408A - Improvements in and relating to the treatment of waste liquors : en
  • US2145122A - Water dam for graves : en
  • US2144908A - Adjusting means for doughnut making apparatus : en
  • AU157438A - Potato digging machine : en
  • CA379148A - Belting making machine : en fr
  • US2144683A - Mat : en
  • US2145123A - Shaft seal : en
  • DE670695C - Induction regulator, especially modulator for welding machines : de en
  • CA379048A - Perforated record sorting machine : en fr
  • CA379206A - Fishing rod reel seat : en fr
  • US2144674A - Clutch mechanism : en
  • US2144732A - Method of and machine for use in shaping moccasins over lasts : en
  • US2144897A - Fastening device : en
  • US2144946A - Track recorder mechanism : en
  • US2144717A - Machine for the transferring and treating of articles : en
  • US2144678A - Roofing : en
  • US2145194A - Attachment for refinishing brake drums : en
  • US2145199A - Control mechanism : en
  • AU10038A - Improvements in or relating to thermionic amplifiers : en
  • DE670766C - Earth fault protection device : de en
  • FR836803A - Method of protecting metal surfaces by means of electrolytic deposits : en fr
  • FR836655A - Improvements in the manufacture of organic fertilizers : en fr
  • FR836671A - Bourdon spring with several turns, and mounting and arrangement of this spring in pressure-sensitive instruments : en fr
  • GB499594A - Improvements in dough moulding or balling machines : en
  • DE670764C - Electric gas switch : de en
  • US2145222A - Air conditioning : en
  • USD113066S - Design for a bedspread : en
  • DK55744C - Locking mechanism for a number of superimposed storage spaces in vending machines. : da en
  • GB499485A - Improvements in and relating to cartons : en
  • DE670715C - Device for introducing tablets from the tablet press to the packaging tube : de en
  • GB499842A - Improvements in apparatus for inserting chaplets for casting moulds : en
  • US2145078A - Scabbard : en
  • GB499396A - Improvements relating to electric cables : en
  • GB499875A - Improvements in and relating to doors for the gas-tight closure of rooms : en
  • FR836821A - Control means for induction heaters for hardening metal surfaces : en fr
  • US2144918A - Double purpose grill : en
  • US2144695A - Automobile bumper guard : en
  • US2144783A - Apparatus for straightening hot plates : en
  • US2144827A - Lateral arm awning : en
  • US2145218A - Valve stem : en
  • USD113025S - Design for a spoon or similar article : en
  • GB499458A - Improvements in and relating to resistance welding tongs : en
  • FR836688A - Motor vehicle door : en fr
  • AT155458B - Process for the production of coatings on rubber products. : de en
  • GR7952B - IMPROVEMENTS IN THE SUFFER. : el en
  • US2144779A - Relaxation oscillator with variable frequency : en
  • FR836772A - New device for starting an internal combustion engine by means of an electric motor : en fr
  • FR836646A - Process for recovering silver metal from hyposulphite solutions used in photography : en fr
  • GB499645A - Improvements in or relating to the treatment of soles for boots or shoes : en
  • GB499734A - Improvements in and relating to carburation devices for internal combustion engines : en
  • GB500104A - Improvements in or relating to automatic machines for machining profiled workpieces : en
  • GB499711A - Improved driving belt fasteners and devices for assembling the same : en
  • DE670662C - Sewing machine, in particular shoe sole sewing machine, with thread cutting device : de en
  • USD112993S - Design for a tire : en
  • GB499495A - The production of beryllium compounds from beryllium ores : en
  • US2144804A - Drawer partition guide : en
  • USD113086S - Design fob a curtain : en
  • GB499419A - Improvements relating to a machine for making bags, envelopes or the like : en
  • USD113021S - Design for an electrical musical : en
  • US2144820A - Double-walled vacuum receptacle : en
  • US2145032A - Automatic stock quotation display board : en
  • US2145075A - Garment and method of making the same : en
  • GB499384A - A method of and means for hardening and tempering cutlery and the like : en
  • GB499494A - Improvements in or relating to printing processes : en
  • FR836663A - Projectile : en fr
  • US2144775A - Connection system foe : en
  • US2145103A - Tile structure : en
  • USD113101S - Design fob a dress : en
  • CA379158A - Tooth brush : en fr
  • FR836886A - Machine for cutting bricks, tiles or the like : en fr
  • DE670742C - Process for the enrichment of growth substances causing cell reproduction : de en
  • GB499409A - Improvements in or relating to parachutes : en
  • GR7949B - LIGHTING OIL WASHING MACHINE. : el en
  • DE670744C - Device for dispensing pasty or viscous masses : de en
  • DE670795C - Lounge furniture : de en
  • DE670941C - Device for bending watch glasses made of cell horn or the like. : de en
  • FR836824A - Wheel mount for vehicles : en fr
  • GB499666A - Improvements in or relating to winding apparatus, such as winches and the like : en
  • DE670954C - Cathode for gas-filled discharge tubes : de en
  • DE670754C - Device for uncoupling the starter pinion of a foot starter device of internal combustion engines, in particular of motorcycle motors : de en
  • AU239938A - Improvements relating tothe manufacture of cement : en
  • US2145149A - Satin white pigment and process of making same : en
  • DK55733C - Variable Capacitor for Oscillating Circuits with Multiple Wavelength Ranges. : da en
  • FR836647A - Toning process for photographic prints printed on silver chloro-bromide papers and gasligth type : en fr
  • GB499665A - Improvements in or relating to electron discharge devices : en
  • GB499572A - Improvements in or relating to flow-meters : en
  • FR836742A - Process for preparing caustic soda free of chlorine or containing only traces thereof and resulting product : en fr
  • FR836873A - Wetting, dispersing and leveling agents : en fr
  • GB499355A - Improvements in and relating to feed water heaters : en
  • US2144727A - Signaling system for vehicles : en
  • FR836765A - Improvements to high-performance sheet leveling machines : en fr
  • GB499657A - Improvements in or relating to paper making machines : en
  • FR836714A - Dark sheath for containers containing film on reels : en fr
  • GB499461A - Container closures : en
  • CA379146A - Pressure valve : en fr
  • US2145042A - Timing device : en
  • DE670728C - Machine for forming and simultaneously packing dough-like materials, especially soft cheese : de en
  • US2144823A - Reinforced interlocking building block : en
  • US2144636A - Method of treating mulling sand : en
  • US2144913A - Solid inhibitor for pickling baths : en
  • US2144784A - Ultra-short wave high frequency amplifier : en
  • US2145069A - Registering mechanism : en
  • US2144742A - Bell type annealing furnace : en
  • US2144926A - Fastening device and article to be fastened : en
  • USD113039S - Design for a lamp base : en
  • AT155494B - Alternator for bicycles and motorcycles. : de en
  • DE670813C - Aids for mercerising liquor : de en
  • DE670816C - Switchgear for high voltage : de en
  • DE670899C - Cigarette holder with two shaft parts, one behind the other, detachably connected to one another, and with a sliding loeschhuelse and a stub ejector : de en
  • DE670980C - Process for the joint extraction of tantalum and niobium : de en
  • US2144765A - Gaiter : en
  • FR836648A - Mechanical and automatic production process of couscouss : en fr
  • GB499481A - Improvements in bushes or linings : en
  • AU106386B2 - Improvements in or relating to means for applying synchronising signals toa carrier conveying television or like signals : en
  • DE670789C - Electric control device : de en
  • DE670955C - Device for pressing spirally wound tubular heating elements onto the bottom of electrically heated cooking pots : de en
  • AT155463B - Wetting, dispersing and leveling agents. : de en
  • US2144621A - Nonrefillable bottle : en
  • US2144831A - Friction clutch facing : en
  • US2145221A - Reservoir foot pump duster : en
  • GB499346A - Improvements in or relating to combined washing and wringing machines : en
  • CA379203A - Textile material bleaching method : en fr
  • GB499874A - Improvements in or relating to electric vacuum switches for use in circuits controlled by physical conditions : en
  • US2145184A - Pipe or tube mill : en
  • GB499320A - Means for preventing the rearward motion of a motor road vehicle : en
  • GB499330A - Improvements in or relating to electrical musical instruments : en
  • GB499721A - Improvements in and relating to methods of and apparatus for for the production of x-rays : en
  • GB499684A - Radio antenna systems : en
  • AT155448B - Seating or reclining furniture. : de en
  • AT155457B - Chubb lock. : de en
  • CA379124A - Friction tread sole or heel for shoes : en fr
  • FR836878A - Elastic coupling : en fr
  • DE670749C - Process for cleaning and sterilizing the surface of eggs : de en
  • AU22038A - Improvements relating to fastener members and installations of the same : en
  • AU15038A - Improvements in anti-corrosive pigments and in a process for their production : en
  • GB499412A - Improvements in or relating to speedometers : en
  • CA379161A - Bottle cap : en fr
  • AU121038A - Improvements in or relating to electric discharge tubes having secondary emission electrodes : en
  • DE670868C - Electric discharge tubes with gas filling : de en
  • AU106396B2 - Improvements in or relating to electric gas discharge tubes : en
  • DE670915C - Electrodes for use in deep drilling : de en
  • FR836710A - Control system : en fr
  • GB499563A - Method for the production of plywood plates formed of separate battens and veneers glued therewith : en
  • GB499432A - Improvements in or relating to coking processes : en
  • GB499660A - Improvements in or relating to sensitive surfaces of low electronic work function and methods of manufacturing the same : en
  • AT155427B - Lifter. : de en
  • GB499358A - Process for the manufacture of impregnated containers of paper, cardboard, fabrics or like materials : en
  • US2144794A - Refrigerating system : en
  • DE670748C - Conveyance of the clad material heated to welding temperature from the annealing furnace to the cladding device : de en
  • DE670900C - Cooling device for a valve for internal combustion engines provided with cavities for the passage of a gaseous coolant : de en
  • US2145092A - High tension electric cable : en
  • AT155440B - Energy converter for converting high-frequency electromagnetic field energy into single or multi-phase energy of any frequency. : de en
  • DE670698C - Circular knitting needle : de en
  • FR836689A - Lubricating System : en fr
  • AU106367B2 - Improvements in or relating to aircraft wing construction : en
  • DE670884C - Process for the production of sulfur : de en
  • GB499592A - Improvements in machines for feeding or depositing measured quantities of dough or the like : en
  • CA12257S - All metal serving tray : en
  • FR836816A - Improvements in the treatment of metal articles by electric heat : en fr
  • GB499332A - Process and plant for the recovery of commercial benzene (benzol), toluol and like products from coal gas, with the purification of coal gas from sulphur, gums and gum-forming organic compounds : en
  • GB499762A - Improvements in automatic switches for use in telephone or like systems : en
  • AU106392B2 - Improvements in electric discharge lamps : en
  • DE670929C - Electric dwarf incandescent lamp with pearl base : de en
  • FR836643A - Process for manufacturing thin plates or sheets, in particular of rubber : en fr
  • GB499966A - Improvements in or relating to the production of artificial filaments, yarns and threads : en
  • DE670845C - Device for clamping workpieces on machine tool tables : de en
  • US2144821A - Shook selector for box-making machines : en
  • USD113058S - Design for a fluorescent tube unit : en
  • DE670797C - Rest device that can be pushed into a table and collapsed : de en
  • GB499492A - Improvements in and connected with dust-bins and apparatus for emptying dust-bins into dust carts : en
  • GB499441A - Improvements in and relating to centrifugal dust separators : en
  • DE670927C - Switch for switching two circuits in the rhythm of complementary Morse code : de en
  • AT155468B - Electrode arrangement for making per-connections. : de en
  • GB499357A - Improvements relating to centrifugal blowers : en
  • GR7946B - CREATED WATER HEATERS. : el en
  • GB499731A - Improvement in automatic variable speed power transmission : en
  • GB499593A - Improvements in or relating to feeding devices for dough or like plastic material : en
  • DE653280C - Process for skeletonizing photographs : de en
  • US2144639A - Scaling mechanism : en
  • US2144752A - Rotary sheet transfer mechanism : en
  • US2145183A - Final drive gear for vehicles with swinging half-axles : en
  • US2144673A - Incandescent lamp and its manufacture : en
  • USD112990S - Design for an airplane : en
  • DE670705C - Method for recording stereo image films using a background projection : de en
  • GB499825A - Improvements in and relating to the skinning of fish fillets : en
  • DE670784C - Drum-shaped stove for mastic asphalt with an agitator : de en
  • DE670802C - Pistons for internal combustion engines : de en
  • FR836790A - New method for landing blind airplanes, with devices and realization devices : en fr
  • DE670719C - Insulating material for electrotechnical purposes : de en
  • FR836683A - Control device for hydraulic transmission devices : en fr
  • US2144713A - Stain resisting alloys : en
  • CA379109A - Crank case oil refining method and apparatus : en fr
  • US2144814A - Road expansion joint : en
  • DE670696C - Device for thin sheet welding with electric arc : de en
  • GB499322A - Making disazo leather dyes : en
  • GB499333A - Manufacture of pressed shapes of new thermoplastic material : en
  • GB499527A - Improvements in and relating to sand facing of bricks : en
  • GB499530A - Improvements relating to automatic door closing apparatus : en
  • CA379135A - Allyl alcohol production : en fr
  • CA379185A - Dumping vehicle : en fr
  • AT155449B - Method and apparatus for making colored slide fastener links. : de en
  • USD113033S - Design for an electric iron or : en
  • FR836804A - Apparatus for covering three-dimensional objects with a layer of varnish or short fibers : en fr
  • GB499472A - Improvements in devices for emitting luminous signals : en
  • DK55751C - Method of Making Artificial Stones by Steam Curing. : da en
  • GB499604A - Electron discharge apparatus : en
  • US2144893A - Fluid pressure operated jack : en
  • US2145220A - Game apparatus : en
  • USD113045S - Design for a bottle : en
  • US2144836A - Arrangement for duplex operation : en
  • GB499529A - Preparation of arsenical compounds for use in spraying or dusting plants : en
  • FR836699A - Ice in standardized blocks with waterproof casing : en fr
  • GB499551A - Improvements in umbrellas : en
  • GB499425A - Improvements in or relating to radio and television receiving apparatus : en
  • GB499587A - Process for the manufacture of dyeings according to the chrome printing process : en
  • US2145009A - Welding : en
  • US2145066A - Elevator : en
  • SE94412C1 - : sv
  • DE670966C - Process for the production of sulfuric acid from gaseous sulfur compounds of low oxidation level : de en
  • FR836880A - Tools for a mechanic's lathe : en fr
  • GB499509A - Improvements in and relating to high speed reciprocating ram pumps : en
  • US2145196A - Apparatus for treating foodstuffs : en
  • US2144797A - Method of and apparatus for extracting constituents of mineral oils : en
  • GB499766A - Improvements in braking apparatus : en
  • IE15262L - Sterilization of empty vessels : en
  • DE670710C - Vertical to the door level pivotable, sunk in the rest, two-armed external pusher for the door lock of motor vehicles : de en
  • DE670871C - Depth indicator, especially for conveyor machines : de en
  • FR836686A - Improvements in methods and apparatus for measuring the viscosity of a fluid : en fr
  • US2144892A - Fluid pressure operated jack : en
  • US2144965A - Heat control for permanent-waving machines : en
  • US2145104A - Steam generator : en
  • US2144699A - Attachment for melting furnaces : en
  • CA379083A - Vehicle door latch : en fr
  • DE670846C - Process for welding chrome or chrome-nickel steels : de en
  • US2144909A - Combination gun and camera : en
  • AU106381B2 - Method for feeding predetermined amounts ofa vaporised activating material into" a discharge tube : en
  • US2144675A - Plaster bandage : en
  • USD112989S - Design fob sunglasses : en
  • US2144989A - Warp beam : en
  • DK55746C - Long-term pasteurizer. : da en
  • FR836623A - Butcher dough : en fr
  • FR836687A - Improvements to railway trains : en fr
  • GB499639A - Improvements in or relating to attitude-of-flight indicators : en
  • GB499738A - Improvements in or relating to side-delivery hayrakes and swath turners : en
  • FR836700A - Ball valve refinements : en fr
  • CA379063A - Wearing apparel : en fr
  • AT155491B - Track measuring device. : de en
  • AU119438A - lluminating device and reflector therefor : en
  • US2144731A - Torque measuring wrench : en
  • AU106415B2 - Improved ground protective relay device for electrical equipment : en
  • US2144662A - Compressor unit : en
  • US2145059A - Production of butadiene : en
  • DE670891C - Left-left knitting machine with hookless sinkers : de en
  • DE670985C - Axle attachment to rapidly rotating rings : de en
  • GB499577A - Mechanism for sorting screw-stoppers : en
  • US2144993A - Copper-zinc alloys : en
  • DE670765C - Electromagnetic overcurrent switch : de en
  • AU106422B2 - Improvements relating to looseleaf books or binders : en
  • US2144800A - Pasteurizer : en
  • US2145170A - Core barrel for oil well apparatus : en
  • FR836602A - Improvements to the wheels of sedans, wagons and wagons : en fr
  • US2144923A - Funnel support : en
  • US2145091A - Turning and slotting device for commutators, etc. : en
  • US2145129A - Cork remover : en
  • US2144761A - Machine for feeding receptacles : en
  • USD113011S - Design fob a ring mounting : en
  • AT155476B - Process for protecting fiber material of all kinds against attack by animal pests. : de en
  • US2144726A - Preparation of sterol derivatives : en
  • US2145114A - Pressure regulator for blending apparatus : en
  • USD113056S - Design for a candle holder : en
  • DE670745C - Device for crowning cord inserts for pneumatic rubber tires : de en
  • US2145204A - Cigar lighter : en
  • US2145034A - Airplane propelling means : en
  • US2145038A - Machine for applying pins in fitting garments : en
  • CA379093A - Resinous composition : en fr
  • US2144781A - Filter pad and method of purifying liquids : en
  • CA379169A - Panelboard manufacture : en fr
  • DE670687C - Electric remote control of prime movers, in particular vehicle engines : de en
  • GB499535A - An indicating device for the lens diaphragm of cinematographic cameras : en
  • GB499687A - Improvements in and relating to cables for the transmission of alternating currents : en
  • AT155439B - Multi-anode gas or vapor discharge apparatus, especially power converters. : de en
  • AT155471B - Process for sensitizing photographic emulsions. : de en
  • US2145126A - Cutting attachment for sewing machines : en
  • GB499493A - Method and apparatus for desurfacing ferrous metal bodies by means of oxidising gas streams : en
  • US2144812A - Method of geophysical exploration : en
  • US2145200A - Method of purifying nitrobenzene : en
  • US2144991A - Braider carrier : en
  • DE670828C - Device for the extraction and extraction of coal or the like. : de en
  • US2144681A - Oil vapor filter : en
  • US2145140A - Oil switch : en
  • USD113076S - Design for a combined manicure bowl : en
  • AT155490B - Brake drums, in particular for brakes on railway vehicles. : de en
  • CA379200A - Sterol-like preparation : en fr
  • AT155472B - Process for the production of a mixture of higher fatty alcohols. : de en
  • US2144656A - Miniature electric motor : en
  • AU173238A - Improvements in appliances for playing board games : en
  • CA379098A - Camera view finder : en fr
  • CA379130A - Bookbinding mechanism : en fr
  • US2145210A - Belt punch : en
  • US2144851A - Slitting tool : en
  • DE670693C - Equipment for the operation of induction ovens with inverters : de en
  • FR836601A - Device against theft of bicycles and motorcycles : en fr
  • CA379162A - Sulphur recovery : en fr
  • FR836731A - Process and devices for the filtration of liquids, process for manufacturing the corresponding filters and filters obtained by this process : en fr
  • GB499756A - Improvements in or relating to steam power installations employing tubular steam generators with small liquid content : en
  • CA379097A - Sound reproduction system : en fr
  • DE670859C - Arrangement for remote keying of transmitters : de en
  • AT155492B - Paddle wheel propellers, in particular for water vehicles. : de en
  • CA379118A - Air flow apparatus for radiators : en fr
  • DE670861C - Compressed gas switch : de en
  • CA379077A - Vacuum cleaner : en fr
  • US2144766A - Shoe sewing machine : en
  • CA379150A - Stock quotation system : en fr
  • US2144638A - Method and means for making sliding fasteners : en
  • US2144929A - Convertible furniture : en
  • AU106387B2 - Improvements in electrical signalling systems : en
  • DE670894C - Block casting mold with individual layers that can be built up in the vertical direction : de en
  • CA379126A - Depositing machine : en fr
  • DK55741C - Procedure for Building Houses of Stacked Wall Blocks. : da en
  • DK55742C - Chip remover for sound recorders. : da en
  • US2144999A - Adhesive tape spool holder and cutter : en
  • US2144755A - Closure device : en
  • USD113023S - Design for a tray : en
  • AT155484B - Motor assembly for automobiles. : de en
  • AU19038A - Process forthe manufacture of high pressure lubricants : en
  • DE670946C - Train control device : de en
  • FR836799A - Skin preparations enhancements : en fr
  • GB499930A - Improvements relating to methods and apparatus for photographically composing text matter : en
  • AU106403B2 - Improvements in anti-corrosive pigments and in a process for their production : en
  • US2145088A - Electron discharge device control system : en
  • US2144882A - Snap fastener stud : en
  • US2144937A - Gearing : en
  • AT155434B - Method and apparatus for television. : de en
  • USD113041S - Design fob a display stand : en
  • AU106369B2 - Improvements in or relating to ultrashort wave-receiving sets : en
  • AT155459B - Process for the production of easily assimilable phosphate-containing fertilizers and device heizu. : de en
  • AU106380B2 - Improvements in automatic resonance adjusting means for radio receivers or like apparatus : en
  • CA379155A - Elevator cup : en fr
  • AU243738A - Improvements in or relating to high-frequency chokes consisting ofa coil wound in several layers : en
  • GB499736A - Improvements in or relating to fuel containers for internal combustion engines : en
  • US2144870A - Safety hat : en
  • DE670940C - Planer and / or dressing machine or the like combined with tenon cutter. : de en
  • US2144802A - Sewing machine feed mechanism : en
  • US2144901A - Profiling diamond : en
  • AT155477B - Process for the production of water-soluble calcium double compounds of ascorbic acid. : de en
  • DE670776C - Robbery device for stamp of the pit expansion : de en
  • US2144919A - Apparatus for and method of drying web material : en
  • US2145125A - Can forming machine : en
  • US2144767A - Cleaning device for winding machines and the like : en
  • US2144839A - Switch : en
  • US2145051A - Halogenated peri-naphthindenones : en
  • US2145192A - Tube catcher sub : en
  • USPP312P - byrum : en
  • GB499747A - Process for the manufacture of vulcanised coatings : en
  • GB499752A - Improvements in or relating to gumming machines : en
  • US2144635A - Fishing reel : en
  • US2144952A - Check valve : en
  • CA379195A - Combination lock : en fr
  • DE670677C - Device for operating rectifier systems : de en
  • AU106375B2 - Improvements relating to rotors for rotating wing aircraft : en
  • US2145212A - Safety closure for filling tubes of tanks : en
  • CA379132A - Air purifying apparatus : en fr
  • GB499459A - Mechanism for indicating the strength of dressings applied to warp yarns and threads : en
  • GB499669A - Improvements in the manufacture of pitch coke : en
  • GB499671A - Process for curling regenerated cellulose fibres : en
  • FR836621A - Camp or rest bed : en fr
  • FR836645A - Folding interlocking crates for various packaging and particularly for fruits and early vegetables : en fr
  • GB499315A - Improvements in or relating to thermionic amplifiers : en
  • FR836771A - Contactor for electric starters : en fr
  • CA379071A - Laminated textile : en fr
  • DE670726C - Cooling device for cinema sets : de en
  • US2144605A - Automatic selective fading control circuit : en
  • GB499325A - Improvements in dough moulding or balling machines : en
  • GB499642A - Improvements in or relating to methods of electrical charge storage by controlled secondary emission of electrons : en
  • GB499732A - Improvements in method of coating paper : en
  • DE670756C - Toy building block : de en
  • GB499500A - Improvements relating to locking and operation of retractable parts of aircraft : en
  • DE670720C - Gas switch : de en
  • DK55740C - Umbrella. : da en
  • USRE20988E - Hydraulic transmission : en
  • US2144668A - Regulating system : en
  • AT155498B - Firing grates, in particular for burning hard-to-ignite fuels. : de en
  • US2145208A - Valve structure : en
  • US2144637A - Hot metal car : en
  • US2145044A - Variable translation speed feeding device for fabrics and the like : en
  • AU106398B2 - Improvements in mechanism for recording information in telephone systems : en
  • US2144980A - Cylindrical die apparatus for cutting blanks : en
  • USD113012S - Design foe a kitchen cabinet ob : en
  • GB499683A - Improvements in or relating to radio telegraph transmitters : en
  • GR7935B - AUTOMATIC METAL CAR LAMP. : el en
  • GB499552A - A process for the treatment of copper : en
  • USD113060S - Design for a shoe ob similar article : en
  • FR836794A - Welding process : en fr
  • US2145160A - Control apparatus : en
  • US2145189A - Device for sealing an annular space : en
  • DE670811C - Table skittles : de en
  • USD112984S - Designed for a stemmed goblet : en
  • US2144757A - Web dispenser mounting : en
  • US2144848A - Cushion support : en
  • FR836636A - Advanced gear change mechanism for motor vehicles : en fr
  • FR836788A - New hail : en fr
  • GB499714A - Stabilized electron discharge tube oscillator : en
  • FR836835A - Balanced two-stroke engine : en fr
  • GB499402A - Improvements in or relating to the manufacture of pharmaceutical bactericidal, fungicidal and like agents : en
  • FR836736A - Receiver station of t. s. f. or television forming a lighting apparatus : en fr
  • GB499769A - Improvements in or relating to the production of artificial threads, filaments, bands, films or the like containing proteins : en
  • GR7941B - INTERNAL COMBUSTION TURBINE. : el en
  • US2145029A - Carburetor : en
  • US2144627A - Drilling apparatus : en
  • US2144628A - Container filling machine : en
  • US2144691A - Bearing seal : en
  • US2145108A - Process of making food products and products produced thereby : en
  • US2144810A - Adjusting device for jars : en
  • US2144833A - Well flowing apparatus : en
  • USRE20982E - X o oil burner : en
  • CA379085A - Synchronous circuit controlling apparatus : en fr
  • CA379116A - Printing machine sheet delivery mechanism : en fr
  • FR836763A - Cycle, moped or other, convertible into a propulsion machine on water : en fr
  • GB499613A - Improvements in or relating to rotary tube furnaces for metallurgical or chemical purposes : en
  • US2145174A - Railway car : en
  • AU106354B2 - Improvements in or relating to thermionic amplifiers : en
  • DE670725C - Hard metal alloy produced by sintering : de en
  • FR836684A - Steam production method and boiler installation for its application : en fr
  • US2144934A - Fulling mill : en
  • US2144890A - Plant sprayer : en
  • USD113006S - Design fob a combined platform scale : en
  • US2144966A - Regulator of combustion for thermic furnaces : en
  • US2145118A - Identification pull tab for slide fasteners : en
  • DE670743C - Disinfectants : de en
  • GB499537A - Improvements in tube brushes : en
  • DE670950C - Automatic electropneumatic control device for electric motors, especially for driving gas compressors : de en
  • US2144616A - Remote control means for airplane automatic pilots : en
  • US2144837A - Lock for outboard motors : en
  • DE670928C - Braking device, especially for electric ship propulsion, with a manually controlled mechanical brake : de en
  • DE670762C - Process for the production of high-percentage p-cresol from the addition compounds separated from a technical cresol mixture by means of anhydrous oxalic acid : de en
  • FR836667A - Improvements to percussion devices : en fr
  • FR836603A - Snap-on anti-slip device for automobile wheels and the like : en fr
  • FR836859A - Simplified mechanism for forming the essential parts necessary for a single shot shotgun or rifle : en fr
  • US2144705A - Electrical switch means : en
  • GB499437A - Improvements in or relating to furnaces for metallurgical purposes : en
  • GB499451A - Improved method of drying materials : en
  • US2145158A - Method of applying tar or bitumen to road surfaces : en
  • FR836706A - Advanced materials resistant to water, weathering, decay, and methods and means for their manufacture : en fr
  • US2144736A - Packing : en
  • GB499387A - Improvements in or relating to coated articles and methods of coating the same : en
  • FR836697A - Styrene stabilization process and resulting products : en fr
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  • US2144789A - Overspeed drive transmission : en
  • USD113049S - Design for a badge oe similar article : en
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  • DE670981C - Periscope for armored vehicles : de en
  • US2144711A - Washing apparatus for drinking ware : en
  • US2145135A - Battery terminal protector : en
  • US2145027A - Method of applying plastic insulation : en
  • CA379136A - Lamination process : en fr
  • US2144615A - Tertiary butyl derivative of pseudocumene and process for preparing same : en
  • US2144764A - Box forming system : en
  • US2144979A - Box : en
  • DE670685C - Turbine power plant operated with steam : de en
  • GB499501A - Improved apparatus for use in the heat-treatment of metals and alloys : en
  • GB499569A - Improvements relating to pressure gauges : en
  • DE664067C - Device for winding endless tapes, in particular advertising tapes : de en
  • FR836883A - Improvements to towing sleds or similar vehicles : en fr
  • GB499369A - Improvements in or relating to electric fuses : en
  • GB499528A - Improved method and apparatus for silencing exhaust gases : en
  • GB499566A - Improvements in and relating to the manufacture of alkali phosphates : en
  • FR836702A - Punch register machine : en fr
  • GB499466A - Improvements in or relating to the production of magnesium by the thermal reduction of magnesiferous raw materials : en
  • US2144933A - Toy : en
  • FR836864A - Improvements to sound recording systems : en fr
  • US2144648A - Display basket : en
  • USD113038S - Design fob a roofing sheet : en
  • FR836840A - Incandescent electric lamp : en fr
  • DE670806C - Process and machine for the simultaneous production of seams on the opposite edges of a workpiece : de en
  • GB499557A - Pair of wheels and axle with loose wheels for trucks : en
  • US2144751A - Figure toy container : en
  • US2144910A - Mounting bracket and installation thereof : en
  • US2145179A - Animal yoke : en
  • GB499579A - Metal vapour converters : en
  • GB499643A - Improvements in light reflectors : en
  • GB499703A - Improvements in or relating to plug cocks : en
  • USD113047S - Design for an air distribution outlet : en
  • FR836777A - Strapont : en fr
  • US2144672A - Lock : en
  • DE670780C - Robbery device for stamps and pillars of the mine expansion : de en
  • DE670713C - Fireworks for signal ammunition : de en
  • FR836660A - Process for the preparation of water for brewery purposes : en fr
  • USD113046S - Design for an audible signal unit or : en
  • US2144900A - Method of producing reinforced seamless-matrix tubes : en
  • FR836807A - Power transmission device applicable, in particular, to motor vehicles and comprising a normal gear change mechanism and a planetary gear mechanism : en fr
  • GB499504A - Improvements in or relating to conveyor systems : en
  • DE670746C - Pre-chamber diesel engine : de en
  • US2145053A - Signaling system : en
  • FR836651A - Process for opacifying enamels : en fr
  • GB499741A - Improvements in and connected with fuel feed control for internal combustion engines : en
  • US2144801A - Sewing machine : en
  • US2144692A - Process for the separation of gaseous mixtures : en
  • DE670738C - Screw locking device for slot terminals, especially for electrical line connections : de en
  • FR836638A - Improvements to bearings and their lubrication : en fr
  • FR836690A - Improvements in lamp manufacturing : en fr
  • GB499760A - Improvements in or relating to tuned electric circuits : en
  • USD113000S - Design fob a molding : en
  • US2144828A - Dump body lifting mechanism : en
  • US2145064A - Light weight car construction : en
  • US2145112A - Window lock : en
  • US2145167A - Electrical connection means : en
  • GB499737A - A ward-leonard drive, especially for driving the elevating and traversing mechanismsof guns or the traversing mechanisms of gun turrets : en
  • FR836749A - Improvements to lamp holders : en fr
  • AU106372B2 - Improvements in electrical resistors : en
  • CA379147A - Lamp socket : en fr
  • US2144970A - Topped beet gathering and loading machine : en
  • US2145025A - Gasoline manufacture with byproduct recovery : en
  • DE670877C - Filler pencil with a tip body that can be moved through a pressure cap and a lead guide tube : de en
  • DE670988C - Process for the treatment of guides or sheaths during bending : de en
  • FR836887A - Sample collector with movable floor : en fr
  • US2144787A - Overdrive transmission and clutch : en
  • USD113035S - Design fob an illhminable vanity case : en
  • AU106374B2 - Implement for lifting the lids of packing cases : en
  • DE670858C - Switching arrangement for selective calls in telecommunication systems (telephone systems) with several stations on a common line, which operate optionally : de en
  • DE1455791U - : de en
  • FR836844A - Process for improving the qualities of textiles and products obtained by this process : en fr
  • GB499709A - Process for recovering phenol and its homologues from petroleum oils : en
  • US2144728A - Undergarment shield : en
  • US2145061A - Shoe protector : en
  • CA379125A - Friction tread sole or heel for shoes : en fr
  • GB499603A - Improvements in or relating to non-leaking joints : en
  • GB499693A - Improvements relating to the construction of walls and partitions in building structures : en
  • GB499713A - Improvements in or relating to fuel filters for injection plants of internal combustion engines : en
  • GB499816A - Improvements in or relating to electric circuit interrupters : en
  • GB499435A - Improvements in covered coiled-wire spiral-spring assemblies : en
  • FR836862A - Contact selector actuated by a synchronous motor, in particular for remote control installations : en fr
  • FR836850A - Method and device for tensioning metal wires : en fr
  • USD113040S - Design fob a combined potato peeler : en