• DE649132C - Method and device for the production of a foot broadening in the case of Ortpfaehlen : de en
  • DE649239C - Arc extinguishing device : de en
  • GB470418A - Improvements in or relating to detonators, for example blasting detonators : en
  • GB470634A - Improved combination clothes and dish washer : en
  • DK53443C - Reporting device for electrical command posts on railway lines. : da en
  • DK53460C - Muffler. : da en
  • DE649162C - Process for cleaning gases produced in continuously operated water gas generators : de en
  • GR6741B - FIRE EXTINGUISHER. : el en
  • DE649267C - Spray device, especially for vehicles : de en
  • GR6731B - WINDOW CURTAINS. : el en
  • DE649166C - Method and device for maintaining a uniform heat condition of the main engine of a steam power plant : de en
  • US2089963A - Fluid seal : en
  • US2090370A - Clock casing : en
  • DE649022C - Direction indicators for vehicles of all kinds, especially for bicycles and motorcycles : de en
  • DK53448C - Procedure and Apparatus for Laying Submarine Cables. : da en
  • US2090191A - Machine for cleaning and degreasing metal articles : en
  • US2090099A - Overhead door structure : en
  • GB470699A - Improvements in and relating to silica gell suspensions and compositions : en
  • FR816708A - Reading dial layout for radio receivers : en fr
  • GB470713A - Improvements in or relating to ships' logs : en
  • GB470757A - Improvements in or relating to rotary wing aircraft : en
  • FR816945A - Improvements to combustion engine starters : en fr
  • GB470583A - Improvements in or relating to apparatus for feeding cigarettes and other articles of similar shape : en
  • GB470665A - A new or improved toast rack : en
  • GB470711A - Improvements in and relating to electric motor control systems : en
  • FR816807A - Safety insecticide and bactericide device : en fr
  • US2090169A - Electric switch : en
  • US2090454A - Refrigeration apparatus : en
  • AU101795B2 - An improved drill for orthopaedic surgery : en
  • CA368130A - Solid oil constituent separation : en fr
  • FR816957A - Chlorination process for methane and its homologues : en fr
  • GB470668A - Improvements in or relating to metal cutting : en
  • US2090421A - Process of making concrete : en
  • DE649251C - Device for root irrigation : de en
  • USD105694S - Design for a dress : en
  • AU509936A - Improvements in and relating to milk containers : en
  • ES143781A1 - Improvements in the distillation of fatty acids. : en es
  • US2090111A - Lubricating device : en
  • GB470497A - Means for turning rotatable control shafts to predetermined angular positions : en
  • GB470582A - Improvements relating to garments employed for treating diabetes and cancer : en
  • GB470516A - Means for storing articles in ware-rooms and the like : en
  • GB470536A - Improvements relating to filters : en
  • GB470742A - Device for attachment to a road vehicle to cooperate with means for opening and/or closing doors and gates : en
  • DE649344C - Freewheel step brake with expanding cones and expandable brake sleeve : de en
  • US2090239A - Electric conduit and outlet channel : en
  • FR816703A - Mower : en fr
  • FR816748A - Improvements to assembly components for metal scaffolding : en fr
  • GB470686A - Improvements in and relating to driving wheels on small lighting dynamos for bicycles : en
  • DK53444C - Station Indicator for Radios. : da en
  • FR816764A - Cleaning saw : en fr
  • US2090258A - Loading and unloading conveyer : en
  • GB470435A - Process and device for the reproduction of designs on printing plates by means of photo-electrically controlled gravers : en
  • IE14776L - Emulsion layers for colour photography : en
  • FR816765A - Improvements to contact devices used in the electrical industry : en fr
  • AU101766B2 - Process for obtaining pure paraffin : en
  • US2089937A - Gas reaction apparatus : en
  • US2090418A - Method of treating material for separation : en
  • US2090358A - Anesthetizing administering apparatus : en
  • DE649385C - Socket pipe connection with roll seal : de en
  • IE14829L - Defribator for the preparation of asbestos fibres and the¹like : en
  • US2090392A - Suction device for chimneys : en
  • US2090585A - Autographic register : en
  • GB470655A - Improvements in vehicle wheels and hubs : en
  • USD105723S - Design fob a closure : en
  • AU247436A - Television tube : en
  • DK53470C - Electric Ringing System for Residential Properties. : da en
  • US2090312A - Thermostatic material : en
  • GB470575A - Improvements in or relating to typewriters and like machines : en
  • AU101790B2 - Improvements in or relating to methods of and apparatus for splicing the end portions of elongated uncured rubber bodies : en
  • USD105681S - Design fob a coat : en
  • US2090214A - Compressed air power unit : en
  • US2090431A - Pipe cutting apparatus : en
  • DE649131C - Device for filling the tips of cigars provided with a wrapper : de en
  • AU318136A - Improvements in or relating to machines for turning and setting sole lipin the manufacture of boots and shoes : en
  • DE649171C - Strain relief for the lines of rubber double or multiple plug devices : de en
  • DE649218C - storage : de en
  • FR816797A - Improvements to hydraulic shock absorbers : en fr
  • GB470420A - Improvements in or relating to shot-gun cartridges : en
  • CA368158A - Illuminated sign : en fr
  • GB470648A - Improvements in or relating to holders or containers for rolls of tape or the like : en
  • US2090192A - Means for degreasing and cleaning metal articles : en
  • US2090121A - Automobile wind pennant : en
  • GB470635A - Suspension oil bath electric insulators : en
  • CA368185A - Railway car coupler yoke : en fr
  • DK53441C - Apparatus for Separation of Salts and Impurities from Pipe Steam Generators Pipe System. : da en
  • FR816895A - Electrical installation allowing to obtain a direct current of high intensity and quickly variable for the supply of chi-ray devices or other applications : en fr
  • GB470592A - Improvements in and relating to machines for finishing curved stereotype printing plates : en
  • US2090369A - Apparatus for processing collars or other articles of apparel : en
  • US2090590A - Carbon dioxide refrigerating unit : en
  • FR816862A - Rear suspension, for cars : en fr
  • CA368092A - Cellulose ester production : en fr
  • DE649143C - Device for detecting leaks on cable sheaths of pressurized gas-filled electrical cable systems : de en
  • US2090299A - Combined drain and strainer : en
  • US2090338A - Method of making screw blanks : en
  • US2090539A - Brake mechanism : en
  • DE648170C - Removal scraper pivotable around a horizontal and vertical axis : de en
  • DE649085C - Control for two-stroke internal combustion engines : de en
  • DE649352C - Multi-core oil cable with common lead sheath : de en
  • FR816840A - Manufacturing process of mixed carbides and hard metal alloys : en fr
  • CA368091A - Oil burner : en fr
  • US2090451A - Manufacture of aluminium : en
  • US2090576A - Expander : en
  • GB470557A - An adjustable shield for pneumatic picks and the like : en
  • DE649326C - Sheet depositing device : de en
  • GB470673A - Improved pay or like envelopes : en
  • US2090110A - Stay bar : en
  • US2090269A - Meter register : en
  • US2090537A - Lecithin product and process : en
  • DE649154C - Safety buckle : de en
  • FR816911A - Manufacturing process of incandescent lamp bases : en fr
  • US2089956A - Radio range course indicating device : en
  • AU242436A - Means for reducing undesirable resonance effects propagating systems : en
  • FR816725A - Improvements to wall buffers : en fr
  • US2090608A - Gas-generating charge : en
  • FR816823A - Improvements to relief cinematography : en fr
  • GB470626A - Improvements in or relating to artificial horsehair for upholstery stuffing material, brush material, bristle material and the like : en
  • DE649156C - Process for the preparation of sulfonation products from saturated neutral fats or fatty acids : de en
  • US2090183A - Package divider : en
  • US2090081A - Hosiery fabric : en
  • GB470576A - Improvements in the cracking and coking of hydrocarbon oils : en
  • DE649097C - Lathe with rigid frame : de en
  • DE649296C - Device for automatic adjustment of the injection point in internal combustion engines : de en
  • DK53446C - Galvanic Element or Electric Accumulator. : da en
  • FR816993A - Hydraulic control means intended in particular for aeronautics : en fr
  • AU101781B2 - Improvements in and connected with the regulation of S temperature of buildings : en
  • GB470527A - Improvements in or relating to vacuum cleaners : en
  • GB470777A - Improvements in methods of and apparatus for sizing paper : en
  • US2090238A - Bell crank closure : en
  • DE649368C - Method for receiving ultrashort waves with tubes in braking field circuit : de en
  • DE649106C - Signaling device for marking the switching status of switches in switchgear : de en
  • NL41340C - DEVICE FOR SIMULTANEOUSLY SUPPLY OF AMMUNITION TO TWO FOR SIMULTANEOUS BAKING CONNECTED WITH EACH OTHER : en nl
  • ES143780A1 - Improvements in the distillation of fatty acids. : en es
  • FR816914A - Bumper sole with lace or strap tension : en fr
  • GB470718A - Improvements in rotary screening drums : en
  • GB470748A - Paper and method of making the same : en
  • USD105692S - Design for a basket : en
  • CA368096A - Refrigerated wrapping machine sealer : en fr
  • CA368143A - Book end or support : en fr
  • US2090419A - Locomotive cab and appurtenances : en
  • US2090514A - Tank gauging device : en
  • ES143213A1 - A new automatic activation closing system for all types of containers, especially bottles. : en es
  • ES143518A1 - Thread guiding introducer for tissues. : en es
  • FR816846A - Improvements in apparatus for feeding cigarettes or other articles of similar shape : en fr
  • US2090403A - Beer container : en
  • DE649329C - Rotary switch with eccentric lock : de en
  • US2090224A - Control apparatus : en
  • GB470572A - Improvements in or relating to multi-grid thermionic valve oscillators : en
  • GB470708A - Improvements relating to method and apparatus for slipping of stitches in a line of stitches : en
  • GB470773A - Process for the manufacture of esters, especially of ethyl acetate : en
  • ES4984U - A spark plug for explosion engines and other applications (Machine-translation by Google Translate, not legally binding) : en es
  • FR816858A - Engine arrangement for motor vehicles : en fr
  • GB470498A - Improvements in and relating to the treatment of drying oils, semi-drying oils, corresponding fatty acids, and products derived therefrom : en
  • FR816808A - Device for obtaining a clear telephone conversation in a noisy enclosure or hectic atmosphere : en fr
  • US2090068A - X-dioxo-j : en
  • US2090138A - Electrically operated siren : en
  • US2090156A - Ice melter for third rails : en
  • DE649302C - Process for the manufacture of blades for steam, air or gas turbines : de en
  • DE649268C - Device for engraving : de en
  • US2090198A - Electric fence : en
  • US2090409A - Amusement device : en
  • US2090563A - Excavator : en
  • FR816934A - Process for the production of an adsorbent material : en fr
  • FR817000A - Guilloche press for warp knitting machines : en fr
  • USD105649S - Design fob a hinge : en
  • US2090281A - Self adjusting garment : en
  • AU525536A - Improvements in or relating to methods of and apparatus for splicing the end portions of elongated uncured rubber bodies : en
  • CA368068A - Elastic vehicle suspension : en fr
  • US2090558A - Magneto generator : en
  • DE649281C - Method for electrochemical recording of electrical current processes : de en
  • US2090580A - Cable anchorage and its installation : en
  • US2090492A - Streamlined closure for rail cars : en
  • US2090587A - Filled bag sewing machine : en
  • DE649136C - AC switch with arc extinguishing by a flowing extinguishing agent : de en
  • GB470507A - Improvements in or relating to coke wagons : en
  • GB470725A - Improvements in sensitising photographic gelatino-silver-halide emulsions and in manufacture of dyes therefor : en
  • DE649203C - Ultra short wave circuit designed as a parallel wire system : de en
  • DE649230C - Centrifugal dust separator, consisting of several individual cyclones : de en
  • FR816718A - Process for preparing hydroxy-trimellic acid : en fr
  • FR816906A - Compound lubricating oil : en fr
  • FR816907A - Improvements in the construction of retorts or chambers for carbonization of coal : en fr
  • USD105695S - Design for a man s confining belt : en
  • DE649353C - Device for the remote selection of actuation circuits with the help of several stepping mechanisms working together for switches to be operated in a substation : de en
  • FR816789A - New electric compensator for locating a noise or sound source in space : en fr
  • FR816912A - Token dispensing device : en fr
  • US2090038A - Aircraft construction : en
  • US2090457A - Fuse for projectiles : en
  • USD105708S - Design fob a shoe : en
  • DE649039C - Register strip punching machine for the production of register strips for die setting and line casting machines : de en
  • FR816899A - Improvements to devices for transporting headgear, especially women's hats : en fr
  • DE649088C - Arrangement for the direct conversion of alternating current of one frequency into another frequency, in particular for conversion of three-phase current of frequency f into single-phase current of frequency f / 3 : de en
  • GB470610A - Improvements in or relating to electron discharge tubes : en
  • FR816855A - Sorters for grain separation or other similar applications : en fr
  • GB470772A - Method of making artificial lumber : en
  • AU101804B2 - Improvements inthe application of luminous discharge tubes for illumination purposes : en
  • DE649082C - Process for the production of solid synthetic fibers from viscose : de en
  • US2090295A - Spring construction : en
  • DE649254C - Device for generating a driving force through the action of heat : de en
  • FR816761A - Device for adjusting the inclination of mobile cover frames in layers or greenhouses : en fr
  • GR6735B - SPECIFIC CIGARETTE BOXES AND MACHINE TO MAKE THEM. : el en
  • DE649164C - Process for clarifying raw fruit juices, sweet musts and similar products : de en
  • FR816894A - Pressurized fluid brake and steering gear : en fr
  • IE14317L - Game apparatus : en
  • FR816739A - Improvements to high frequency generator tubes : en fr
  • GB470574A - Improvements in or relating to pipe fittings : en
  • US2090009A - Vehicle body construction : en
  • US2090263A - Hydraulic fluid : en
  • US2090527A - Container : en
  • IE14700L - Motor vehicles : en
  • US2090235A - Variable tread vehicle : en
  • USD105706S - Design for a tinsel fabric : en
  • DE649378C - Pull hoe with thin steel band knife : de en
  • AU247636A - Electron-optical arrangement : en
  • US2089970A - Merwinite refractories : en
  • US2090150A - Burner nozzle : en
  • US2090222A - Radiator core : en
  • US2090162A - Pump and method of making the same : en
  • US2090493A - Keeper for doors : en
  • US2089985A - Acid halides of carbazole-n-carboxylic acids and process for their production : en
  • DE649157C - Thermal motor vehicle with electrical power transmission : de en
  • FR816747A - Variable rotary capacitor : en fr
  • AU322236A - Process for obtaining pure paraffin : en
  • GB470632A - Improvements in or relating to aluminium alloys : en
  • US2090017A - Stereocamera : en
  • US2090071A - Lay motion for looms : en
  • US2090400A - Convertible article of furniture : en
  • FR816956A - Process for the preparation of polyhalogenated ketones and products obtained by this process : en fr
  • DE649193C - Electric motor drive for step transformers : de en
  • DE649247C - Process for making pieces of fine, roasted goods : de en
  • FR816795A - Illuminated decorative objects : en fr
  • FR816801A - Friction drive winder stop device : en fr
  • US2090344A - Tractor : en
  • GB470445A - Improvements in or relating to air separating and dressing devices for mills or like machines : en
  • CA368162A - Bituminous paving material : en fr
  • GB470625A - Improvements relating to invalid's tables : en
  • GB470735A - Improvements in or relating to display signs : en
  • US2090048A - Automobile window construction : en
  • CA368088A - Mercaptan oxidation : en fr
  • DE649236C - Post-treatment of finished electrical insulating parts made of natural mica : de en
  • US2090190A - Method of sweetening petroleum distillates : en
  • US2090117A - Road scraper : en
  • USD105724S - Design for a coat : en
  • CA368105A - Pneumatic circulation dryer : en fr
  • DK53468C - Double-acting Fire Pipe. : da en
  • GB470475A - Manufacture of dyestuffs and intermediate products : en
  • GB470552A - Improved method of manufacturing electrode systems with unsymmetrical conductivity : en
  • DE649140C - Carrying and adjusting device for cinematographic recording devices for aircraft : de en
  • GB470540A - Improvements in or relating to the extraction of heavy metals from phosphatic ores, slags, and like materials containing them : en
  • US2090302A - Magnetic dummy fuse plug : en
  • DE649264C - A grinding drum consisting of a cylinder covered with an abrasive belt : de en
  • FR816892A - Transmission device for compressed-air brakes of high-speed vehicles, in particular railway cars : en fr
  • FR816746A - Device for guiding hermetically closing sliding doors, in particular for railway cars : en fr
  • FR816828A - Improvement in speed indicators-recorders for locomotives, railcars or other uses : en fr
  • GB470823A - Method of making plywood : en
  • GB470520A - Jacking means for vehicles : en
  • GB470654A - Improvements relating to telegraph signalling apparatus : en
  • GB470670A - Improvements in and relating to the brewing of beer : en
  • GB470556A - Process for regenerating waste sulphuric acid : en
  • US2090193A - Wheel structure : en
  • US2090314A - Ignition system : en
  • GB470596A - Improvements in or relating to navigation aiding radio systems : en
  • US2090402A - Rolling mill : en
  • USD105716S - Design for a control clock or simi : en
  • USD105661S - Design for a curtain fabric : en
  • US2090213A - Well seal : en
  • US2090313A - Amusement apparatus : en
  • US2090174A - Flexible drive shaft : en
  • US2090283A - Blackboard eraser holder : en
  • DE649072C - Method and measuring arrangement for determining the absolute humidity of gases : de en
  • DE649291C - Magnet with electrical excitation by solenoid and a single variable air gap in the magnetic circuit : de en
  • DE649313C - Circuit of an AC transformer for connection of the same to a line disturbed by high frequency : de en
  • GB470428A - Improvements in the manufacture and production of concentrated phosphoric acid : en
  • GB470560A - Improvements in electrical switching apparatus especially adapted for use with pneumatic tube conveying systems : en
  • GB470646A - Improvements in carburetters for internal combustion engines : en
  • USD105650S - Design for a dress : en
  • GB470746A - Improvements in and relating to the manufacture of artificial structures and other useful articles from cellulose derivatives : en
  • US2090088A - Apparatus for communication systems : en
  • GB470580A - A process for improving lubricants : en
  • DE649135C - AC switch with arc extinguishing by flowing and expanding steam : de en
  • US2090495A - Surface test indicator : en
  • AU101793B2 - Multiple cathode-ray tube : en
  • DE649226C - Electromagnetic vibration system, especially for loudspeakers : de en
  • AU317836A - Improvements in or relating to electrical resonators of the transmission line type : en
  • AU179666A - Arrangement for controlling electrical energy through mechanical energy : en
  • DK53440C - Liquid Evaporation Procedure. : da en
  • DK53451C - Device for Spraying Liquid in Air. : da en
  • FR816727A - New intermediates and new azo dyes : en fr
  • FR816972A - Heating devices : en fr
  • FR816983A - Process for the preparation of valuable complex organic compounds, usable in particular as additions to mixtures of hydrocarbons : en fr
  • DE649141C - Lockable zipper slider : de en
  • FR816814A - Impact resistant wall : en fr
  • GB470692A - Automatic machine for direct printing on cylindrical objects especially tubes and glass bulbs : en
  • GB470744A - Improvements in and relating to air or gas compressor apparatus : en
  • FR816874A - Hair curlers : en fr
  • FR816973A - Chemical composition intended for photographic baths : en fr
  • IE14638L - Friction gearing : en
  • US2090461A - Spring hanger attachment for automobile frames : en
  • USD105654S - Design for a drapery fabric or sim : en
  • US2090333A - Method of making lubricating oil : en
  • US2090176A - Counter tray : en
  • US2090042A - Beehive : en
  • US2090465A - Oil ring for bearing lubrication : en
  • US2090568A - Method of oil burning : en
  • FR816751A - : fr
  • GB470542A - The manufacture of pigment dyestuffs of the phthalocyanine series : en
  • FR816783A - Advanced training in cam drive mechanisms : en fr
  • DE649394C - Three or multi-axle road truck trailer : de en
  • DE649261C - Differential gear for equiaxed double wheels of a motor vehicle : de en
  • US2090066A - Lubricating means for drive mechanism : en
  • FR816728A - Combination suction nozzle and brush for vacuum cleaning devices : en fr
  • CA368136A - Tire : en fr
  • DE649363C - Catalog, price list or the like for goods compilations divided into product groups : de en
  • AU542636A - Electromagnetic vibrating systems and apparatus : en
  • US2090103A - Record controlled and record making accounting machine : en
  • US2090122A - Electrical hot plate : en
  • ES143789A1 - A procedure to deposit metals thermally. : en es
  • GB470712A - Improvements in and relating to sliding windows or doors : en
  • USD105696S - Design for a dress : en
  • FR816812A - Industrial product consisting of wrapping paper, folding paper or cardboard with indelible and non-transferable imprints : en fr
  • GB470532A - Improvements in and relating to electrical contact making and breaking devices : en
  • GB470678A - Improvements in or relating to sheet materials : en
  • US2090376A - Adjustable back for seats and chairs : en
  • DE649384C - Procedure for the operation of carburetor engines : de en
  • USD105691S - Design for a toy vacuum sweeper or : en
  • US2090386A - Method and apparatus for roasting ore : en
  • US2090407A - Switch : en
  • US2090399A - Apparatus for closing boxes : en
  • US2090441A - Device for illuminating lenticular film : en
  • US2090173A - Diphenyl derivatives and a process of preparing them : en
  • DE649314C - Process for the production of paper-like insulating material, which is to be used in particular for wrapping conductors of electrical machines : de en
  • GB470568A - Improvements in and relating to corsets and to corset boning therefor : en
  • GB470509A - Improved process for the preparation of banana flour : en
  • DE644979C - Method and device for the production of artificial leather : de en
  • DE649138C - Process for the production of colored, burned writing, drawing leads or chalks : de en
  • GB470689A - Improvements relating to fuel injection pumps for internal combustion engines : en
  • US2090007A - Manufacture of motor fuel : en
  • CA368116A - Therapeutic helmet : en fr
  • AU101770B2 - Improvements in and relating to microphones : en
  • USD105653S - Design for a textile fabric : en
  • FR816868A - Motor vehicle, in particular tractor : en fr
  • GR6740B - "NOURI" SYSTEM FIRE PIPELINE FOR SHOOT MISSIONS OF ALL CALIRE. : el en
  • FR816853A - Colorants for vat : en fr
  • US2090440A - Display support : en
  • FR816865A - Molding and vulcanizing apparatus applicable in particular to the manufacture of pneumatic tires : en fr
  • FR816933A - Gas stove oven : en fr
  • USD105704S - Design fob a sweater or similar : en
  • US2090228A - Pruner or like tool : en
  • CA368137A - Buffing mechanism : en fr
  • CA368183A - Sterilizer : en fr
  • DE649006C - Discharge tubes containing vapor, surrounded by an evacuated cover, in particular for emitting light beams : de en
  • GB470441A - : en
  • AU269236A - Improvements in or relating to internal combustion engines comprising a rotary valve member having a chamber therein : en
  • DE649172C - Disinfectants : de en
  • GB470611A - Improvements relating to apparatus for promoting respiration : en
  • GB470529A - The manufacture of vat dyestuffs : en
  • GB470602A - Improvements in and relating to spring reverse motions for looms : en
  • NL41304C - : en
  • US2090237A - Derivatives of z : en
  • CA368138A - Hair waving means : en fr
  • GB470522A - Improvements in lenses : en
  • CA368175A - Folding box : en fr
  • GB470589A - Improvements relating to barrows, carts or trucks : en
  • GB470618A - Grids for electron discharge devices and method of manufacturing the same : en
  • US2090115A - Guard structure : en
  • CA368102A - Tubular belt conveyer : en fr
  • US2090035A - Fuel supply unit for oil burners : en
  • US2090072A - Recovery of sulphur from sulphurous gases : en
  • US2089993A - Fracture reducing apparatus : en
  • US2090158A - Method for producing bleed forms : en
  • US2090397A - Automatic clutch mechanism : en
  • US2090415A - Method of and apparatus for manufacturing wooden vessels : en
  • US2090004A - Televisor transmission system : en
  • US2090143A - Gas washing : en
  • US2090337A - Valve actuating mechanism : en
  • US2090534A - Plate distilling column : en
  • US2090242A - Method of vulcanizing rubber : en
  • US2090284A - Sprinkler head : en
  • USD105658S - Design for a dress : en
  • US2089974A - Shoe rack : en
  • US2090389A - Photoprinting and developing apparatus : en
  • US2090408A - Mold coating : en
  • US2090555A - Closure : en
  • GB470439A - Film box : en
  • GB470683A - Improvements in and relating to tobacco leaf stemming machines : en
  • GB470700A - Improvements in arm chairs : en
  • IE14551L - Cattle food; sugar manufacture bye-products : en
  • ES143771A1 - An improvement in the preparation of fibro-cement material. : en es
  • IE14624L - Knitting machinery : en
  • GB470551A - Improvements in and relating to machines for making supporting structures for the filaments of tubular electric incandescent lamps : en
  • DK53449C - Dispersion Transformer for Fluorescent Lighting. : da en
  • IE14582L - Calendering tubes : en
  • GB470588A - Reforming of naphtha : en
  • DE649271C - Measuring arrangement on drilling machines : de en
  • US2090387A - Photoelectric tube : en
  • GB470545A - An improved connection device serving as shock and vibration absorber : en
  • GB470643A - Improvements in or relating to the conforming of shoe uppers to the shape of lasts : en
  • US2090178A - Feeler gauge : en
  • US2090611A - Motor trouble floodlight for motor compartments : en
  • DE649134C - Circuit arrangement for telephone extension systems : de en
  • GB470604A - Improvements in and relating to quick detachable wheel hubs : en
  • US2090085A - Container opener : en
  • USD105711S - Design for a textile fabric : en
  • DK53453C - Procedure for preserving animal and vegetable substances, in particular hides and skins. : da en
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  • US2090473A - Automobile hood support : en
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  • CA368187A - Fire extinguisher valve : en fr
  • FR816947A - Device for the vision of stereoscopic relief by light projections : en fr
  • FR816922A - Soap dish with soap : en fr
  • FR816869A - Liquid fuel vaporizer burner : en fr
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  • US2090501A - Weatherproof socket : en
  • FR816954A - Process for producing hydrocarbons of interest from coal by destructive hydrogenation : en fr
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  • US2090330A - Drill mechanism : en
  • US2090444A - Glass factory and improved furnace : en
  • FR816887A - Further training provided in the establishment of mowers : en fr
  • US2090336A - Heating coil : en
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  • US2090053A - Warm air furnace structure : en
  • US2090181A - Razor and razor blade : en
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  • GB470585A - Improvements in extrusion moulding machines for the manufacture of pellets : en
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  • US2090483A - Key arch flooring : en
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  • AU469536A - Improvements in or relating to the heat treating of articles : en
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  • US2090507A - Shaper tool lifter : en
  • US2090123A - Motor vehicle : en
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  • US2090149A - Scavenging two-cycle engine : en
  • US2090205A - Electric remote control system : en
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  • US2090016A - Sensitive photographic element : en
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  • US2090002A - Sized paper : en
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  • GB470762A - Improvements in electrolytic processes and apparatus : en
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  • DK53463C - Saw Blade Laying Tool. : da en
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  • US2090084A - Manufacture of wallboard : en
  • US2090380A - Coupling and connecter for electric conduits and outlet boxes : en
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  • FR816898A - Advanced manufacturing process for hollow rubber objects : en fr
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  • FR816978A - Automatic disc repeater for talking machines : en fr
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  • US2089992A - Continuous bleaching process and apparatus : en
  • USRE20469E - Regenerative air conditioning : en
  • US2090359A - Wireless signaling system for aircraft : en
  • US2090055A - Hydrostatic bailer : en
  • US2090551A - Siphon : en
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  • GB470698A - Improved method of construction of structural work such as the bodies of motor vehicles : en
  • DK53452C - Procedure for the manufacture of connectors for knitting machines. : da en
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  • US2090163A - Method of liquefying and storing fuel gases : en
  • US2090530A - Tobacco can : en
  • CA368132A - Pulverized fuel supplying system : en fr
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  • US2090022A - Machine for manufacturing pile fabric : en
  • US2089944A - Method of mining and apparatus therefor : en
  • US2090080A - Lay for looms : en
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  • US2090554A - Mechanism for making tinsel fabric : en
  • FR816859A - New phthalocyanines of the benzene series : en fr
  • IE14343L - Rotary valve engines or pumps : en
  • AU511536A - Improvements in spectacles : en
  • FR816950A - Process for the production of violet to blue-green dyes for acetate silk : en fr
  • GB470761A - Improvements in or relating to wall and like plugs : en
  • CA368089A - Osmium extraction : en fr
  • GB470690A - Improvements in electrical moter-driven hand tools : en
  • AU101779B2 - Improvements in or relating to storage batteries : en
  • DE649262C - Vehicle tires : de en
  • CA368149A - Container closure : en fr
  • FR816928A - Process for the preparation of oxidation products of aliphatic hydrocarbons : en fr
  • FR816970A - Vibration and shock absorber support : en fr
  • DE649387C - Device for water outlet valves : de en
  • CA368080A - Cooling unit : en fr
  • FR816803A - Device for stabilizing synchronized oscillating movement components using alternating or wavy current : en fr
  • GB470720A - Stopper for bottles, jars and the like : en
  • USD105722S - Design for a massage implement : en
  • GB470730A - Improvements in or relating to magneto-electric ignition apparatus : en
  • DE649109C - Gas generator with constantly circulating central fuel distribution pipe : de en
  • DE649137C - Arrangement for automatic parallel switching of alternating current networks : de en
  • US2090320A - Cocktail shaker : en
  • US2089953A - Refrigerating apparatus : en
  • US2090512A - Air compressor relief valve : en
  • USD105671S - Design for a jar : en
  • DE649333C - Method for controlling a discharge current passing between two electrodes in the open air : de en
  • GB470751A - Improvements in or relating to coils or other elements of electrical apparatus : en
  • US2090542A - System of illumination : en
  • US2090288A - Scale : en
  • US2090582A - X-ray tube : en
  • FR816979A - Stabilization and propulsion process applicable to helicopter lift propellers : en fr
  • GB470631A - Improvements in and relating to electric switches with self-generated arc-extinguishing blast : en
  • GB470649A - Improvements relating to devices for projecting pulverised materials : en
  • FR816712A - Improvements made to the assemblies of the rails by normal fishplates and for which the ends of the rails are connected by a part partly embracing the runners of the rails : en fr
  • FR816806A - Improvements to electric heating devices : en fr
  • DE649147C - Jug with milk container arranged on it : de en
  • FR816953A - Process for preparing anti-detonating fuels containing polymerized gasoline : en fr
  • GB470621A - Device to facilitate the arrangement of flowers in vases or the like : en
  • AU101772B2 - Improvements in or relating to internal combustion engines comprising a rotary valve member having a chamber therein : en
  • GB470528A - Improvements in aircraft : en
  • GB470639A - Improvements relating to relay or like control systems : en
  • CA368104A - Tray unstacking and transferring mechanism : en fr
  • DE640823C - Venting extrusion press : de en
  • US2090525A - Combination seeder and fertilizer : en
  • FR816750A - Method and apparatus for imparting high porosity to poorly swelling slag or slag upon solidification : en fr
  • US2089934A - Gear housing : en
  • US2090109A - Stabilized insecticide of plant origin : en
  • US2090556A - Potato and vegetable digging machine : en
  • AU101792B2 - Means for reducing undesirable resonance effects propagating systems : en
  • AU519236A - Apparatus for use in making castings, in particular for dental purposes : en
  • FR816740A - Spark plug for internal combustion engines : en fr
  • GB470554A - Improvements in radio-activated alloys and the production thereof : en
  • AU101800B2 - Improvements in or relating to safety razors : en
  • FR816769A - Improvements to discharge tubes : en fr
  • GB470717A - Improvements in or relating to the manufacture of saponaceous organic sulphides : en
  • CA368180A - Accounting and listing form : en fr
  • DE649144C - Process for the production of small dam sleeves for oil-filled cable systems : de en
  • USD105678S - Design for a piano : en
  • DE649346C - Adjustment device, especially for ship propellers with adjustable blades : de en
  • US2090024A - Wood heel turning machine : en
  • US2090061A - Apparatus for producing shoe soles with tape attached : en
  • GB470422A - Improvements in and relating to means for changing the magazines of typographical composing machines : en
  • US2090524A - Regulating system : en
  • AU266236A - Improvements in or relating to variable inductance devices : en
  • US2090422A - Piston ring fitting saw : en
  • US2089957A - Manufacture of salts : en
  • USD105667S - Design fob a condiment shaker : en
  • US2090282A - Humidifier : en
  • US2090371A - Finger drying device : en
  • US2090428A - Stroke adjusting means for fuel injection devices and the like : en
  • DE649209C - Conveyor frame with guide curves for vessel conveyor systems : de en
  • FR816710A - New anthraquinone dyes : en fr
  • GB470723A - Improvements in and relating to suction devices for supporting objects : en
  • GR6726B - PHOTO FRAMES WITH SPECIAL SUPPORT. : el en
  • FR816778A - Improvements made to bells or the like, in particular to electrically driven rotating bells : en fr
  • FR816734A - Chlorine purification process : en fr
  • FR816944A - Method and apparatus for determining amounts of suspended solids in liquids : en fr
  • FR816743A - Device for fitting belt clips : en fr
  • GB470691A - Improvements relating to rotary fluid meters : en
  • CA368142A - Vertical file follower : en fr
  • US2090199A - Electric fence charger : en
  • US2090553A - Weeder : en
  • DE649133C - Sewer system : de en
  • FR816730A - Mixed formation lead-acid battery plate : en fr
  • NL41489C - : en
  • US2090170A - Electric switch : en
  • US2090566A - Oil burner : en
  • USD105677S - Design for a dress : en
  • USD105688S - Design for a piano accobdion : en
  • GB470661A - Improvements in coupling and steering mechanism for trailer road vehicles : en
  • FR816971A - Improvement of engines or machines using the expansion of a fluid : en fr
  • USD105659S - Design for a dress : en
  • USD105697S - Design fob a handbag : en
  • US2090496A - Apparatus for producing suspensions : en
  • DE649273C - Ink squeegee for stencil printing : de en
  • US2090211A - Mercapto aryl thiazole compound : en
  • GB470519A - Process for the manufacture of carbamide and formaldehyde products in presence of sulphonated amide derivatives, and products obtained : en
  • GB470419A - Improvements in or relating to cleaning the interiors of enclosed spaces by volatilegrease solvents : en
  • US2090511A - Colloidized vat dye : en
  • US2090266A - Elastic coupling for tubes : en
  • AU272236A - Improvements in or relating to high frequency electrical coupling systems : en
  • DE649202C - Process for the production of estrogenic substances : de en
  • AU101799B2 - Improved collapsible tent : en
  • US2090294A - Wheel centering and camber gauge : en
  • US2090058A - Drilling bit : en
  • FR816999A - Alternative press for warp knitting machines : en fr
  • GB470595A - Improvements relating to belt conveyors : en
  • US2090105A - Corrosion resistant alloy : en
  • US2090506A - Clap arrester : en
  • FR816941A - Ceramic container for electric discharges : en fr
  • GB470672A - Improvements relating to mechanism for feeding and winding films : en
  • FR816741A - Direction indicator for bicycles and motorcycles : en fr
  • FR816826A - Mobile plunger valve : en fr
  • GB470535A - A method of regulating the supercharging air pressure in internal combustion engines : en
  • US2090321A - Window construction : en
  • US2090096A - Forming die for intaglio printing machine plates : en
  • US2090595A - Process of preparing amido derivatives : en
  • CA368150A - Fuel distributor : en fr
  • FR816731A - Processes, devices and apparatus for the rational purification of waste oils : en fr
  • US2090394A - Tars for use in road construction : en
  • CA368090A - Hydrocarbon oil treatment : en fr
  • US2090063A - Focusing automatically erecting front camera : en
  • DE649392C - Paper machine with suction breast roll and agitator blades in the headbox : de en
  • FR816720A - High pressure mercury vapor discharge tube : en fr
  • US2090297A - Deodorizer : en
  • US2090586A - Apparatus fob bodying tung oil : en
  • FR816962A - Universal coupling with crossed elements : en fr
  • DE649161C - Capacitor electrode for shortwave and ultra-shortwave therapy with a dielectric as a spacer : de en
  • DE649255C - Device for overcoming the dead center position of crank drives : de en
  • US2090091A - Game or sales promotion device : en
  • US2090373A - Automatic charging means for centrifugal extractors : en
  • US2089941A - Attaching means for wall boards : en
  • US2089958A - Container : en
  • US2089976A - Shoe rack : en
  • US2090348A - Golf apparatus : en
  • US2090139A - Variable line spacer : en
  • US2090125A - Nut : en
  • US2089954A - Closure cap and method of making : en
  • US2090573A - Footwear : en
  • US2090589A - Counterbalance : en
  • US2090366A - Motor ignition apparatus : en
  • US2090221A - Rolling mill : en
  • US2090404A - Machine for extruding plastic material : en
  • DE649234C - Process for the production of alkali peroxides : de en
  • US2089960A - Refrigerating apparatus : en
  • DE649186C - Device for transferring tobacco leaves coming from an expelling device to a delivery point, in particular before the stripping of the leaves : de en
  • GB470638A - Improvements in and relating to document examining and sorting apparatus : en
  • GB470695A - Improvements relating to braking devices for fishing reels having fixed spindles : en
  • US2090140A - Coating compositions : en
  • DE649274C - Electric iron : de en
  • GB470543A - Improvements in phase shifting circuits for radio and like purposes and in systems embodying such circuits : en
  • GB471088A - Non-magnetic steel alloy of high tenacity and yield point : en
  • US2090446A - Process for the production of magnesium sulphide : en
  • USD105666S - Design for a game board : en
  • DE649116C - Chenille carpet : de en
  • GB470710A - Improvements in hand grenades : en
  • FR816839A - Game device and board for its use : en fr
  • US2090423A - Reverse belt and pulley drive : en
  • US2090467A - Water purifying material and method of preparing and using the same : en
  • CA368117A - Therapeutic apparatus : en fr
  • GB470530A - Improvements in and relating to the preparation of iron-tanned leather : en
  • GB470843A - A process for treating seeds, bulbs, tubers and roots : en
  • CA368128A - Printing mechanism : en fr
  • US2090102A - Means for visually segregating columned entries : en
  • US2090458A - Shaping device for hats : en
  • DE649390C - Footwear sewing machine : de en
  • ES4985U - A tie rod (Machine-translation by Google Translate, not legally binding) : en es
  • DE649285C - Machine system for railway vehicles, especially railcars : de en
  • FR816805A - Improvements to telephone systems : en fr
  • FR816842A - Portable military gangway for crossing small and medium rivers : en fr
  • DE635447C - Facility to exclude lines : de en
  • DE649059C - Method for the temporary protection of surfaces, especially highly polished surfaces, e.g. B. of metal : de en
  • GB470671A - Improvements in and relating to hydraulic operated brakes : en
  • DE649306C - Motor vehicle for forwards and backwards travel : de en
  • FR816951A - Fuel injection device for internal combustion engines : en fr
  • CA368083A - Relief printing plate : en fr
  • US2090194A - Sewage digestion : en
  • US2090445A - Cable guide : en
  • US2090260A - Process of reconditioning used waste : en
  • US2090523A - Drying and heating apparatus : en
  • US2090584A - Control system : en
  • AU101756B2 - Improvements in devices for dispensing syrups and like liquids : en
  • US2090069A - Proportioning controller : en
  • US2090453A - Covered filter for vacuum cleaners : en
  • US2090575A - Motor : en
  • GB470616A - Improvements in means for preventing the fouling of ships' bodies : en
  • GB470658A - Improvements in machines for cutting and/or grinding the threads of screws, worms orthe like : en
  • GB470816A - Improvements in and relating to marine life saving appliances : en
  • US2090328A - Furnace : en
  • US2090182A - Domestic cooking utensil : en
  • CA368152A - Static resisting garment : en fr
  • DK53455C - Apparatus for electric welding, especially of dentures fixed in the mouth. : da en
  • FR816880A - Sealant for sealing small jars, boxes and other similar containers : en fr
  • GB470533A - Improvements in or relating to frames for retaining paper or other sheet material inposition as for photographic printing or copying thereon : en
  • GB470821A - Improvements in or relating to fire-guards or screens : en
  • GB470779A - Method for separating iron oxides from ores containing them : en
  • GB470824A - Improvements in and relating to suction devices for artificial dentures and matricesfor making the same : en
  • US2090161A - Governor for tractor engines : en
  • US2089940A - Coupling device for collapsible tubes : en
  • GB470567A - Improvements in typographical slug casting machines : en
  • IE14478L - Television : en
  • US2090168A - Photograph drying machine : en
  • US2090303A - Hydraulic brake : en
  • US2090468A - Turbine blade : en
  • FR816923A - Improvements to molding machines : en fr
  • US2090025A - Sound reproducing device : en
  • US2090384A - Sewage treatment apparatus : en
  • FR816830A - Product imitating astrakhan : en fr
  • GB470697A - Improvements in or relating to seats : en
  • US2090388A - Ore treatment : en
  • US2090249A - Tractor : en
  • USD105712S - Design fob a combination safety ra : en
  • US2090275A - Belt coupling : en
  • USRE20473E - Ctjpola operation : en
  • ES143765A1 - An electric discharge lamp. : en es
  • FR816929A - Cigarette packaging enhancements and other items : en fr
  • GB470705A - Improvements in or relating to leg-rests : en
  • CA368110A - Welding electrode : en fr
  • DE649364C - Index drawer with a tiltable front wall : de en
  • FR816968A - Improvements in apparatus for packaging or tightly assembling cigarettes or articles of similar shape : en fr
  • DE649250C - Friction device for Zuendholzbehaelter with two provided on a narrow wall of the container, a U-shaped channel forming strips : de en
  • ES143150A1 - Procedure and disposition of the discharge siphons for containers for liquids, especially the water tank for washing the hydraulic toilets. : en es
  • CA368181A - Rotary miterer : en fr
  • US2090579A - Seat construction : en
  • DE649391C - Endless molding belt for machines for the production of jelly fruits : de en
  • GR6742B - CLAY WELDING. : el en
  • US2090047A - Driving motion for loom dobbies : en
  • US2090075A - Separator : en
  • US2090015A - Manufacture of shoe counters : en
  • US2090204A - Oven for bakeries : en
  • USD105668S - Design fob a stool seat : en
  • GB470702A - Improvements relating to settees, seats, and the like : en
  • USD105686S - Design for a dress : en
  • USRE20468E - Jack hammer bit : en
  • US2090600A - Knitting of garments on straightbar machines and in means therefor : en
  • AU101769B2 - Apparatus for use in making castings, in particular for dental purposes : en
  • CA368123A - Commodity stowing device : en fr
  • FR816870A - Improvements to annealing boxes : en fr
  • CA368118A - Glass feeding apparatus : en fr
  • FR816815A - Improvements to correctors for aircraft tracking devices : en fr
  • FR816896A - Improvements to color cinematography : en fr
  • CA368172A - Carbureter : en fr
  • FR816770A - Elastic suspension of engines, more particularly of aircraft : en fr
  • GB470474A - Improvements in and relating to welding wires together : en
  • GR6730B - WINDOW CURTAINS. : el en
  • US2090262A - Automatic control means for machine tools : en
  • US2089969A - Warm air furnace structure : en
  • US2090050A - Scalp massaging device : en
  • US2090365A - Motor ignition apparatus : en
  • US2090476A - Pigment and methods of preparing the same : en
  • USD105720S - Design for a shoe : en
  • US2090011A - Musical instrument : en
  • US2090165A - Multiple service hair drier or the like : en
  • US2090472A - Process for the recovery of mercury from ore : en
  • US2090487A - Computing registering mechanism for liquid dispensing apparatus : en
  • US2090079A - Gun mount : en
  • US2090236A - Bolt guard : en
  • CA368155A - Cork article manufacture : en fr
  • USD105684S - Design for a coat : en
  • GB470722A - Improvements in or relating to the production of rubber sheet and rubber tape : en
  • US2090094A - Voting machine : en
  • US2090120A - Draft and buffer gear : en
  • AU456836A - Improvements in or relating to helical wire curtain rods, clotheslines andthe like : en
  • DE649139C - Hot water heating with a high hot water generator that supplies the consumer system : de en
  • US2090452A - Transparent molded article from casein and urea-formaldehyde-condensation products : en
  • FR816829A - Apparatus for warming up leather soles and other materials under pressure : en fr
  • CA368113A - Circuit breaker : en fr
  • US2090029A - Shoe manufacturing machinery : en
  • US2090306A - Honey section folder, press, and foundation fastener : en
  • US2089961A - Refrigerating apparatus : en
  • US2089943A - Fluid valve : en
  • US2089996A - Brake construction : en
  • US2090129A - Package collector : en
  • CA368148A - Sponge manufacture : en fr
  • FR816817A - Improvements to shielding devices for ignition components of internal combustion engines : en fr
  • GB470569A - Improvements in and relating to logs for measuring the distance travelled by water-borne vessels : en
  • GB470769A - Improvements in or relating to apparatus for use in the discharge of materials from retorts and the like : en
  • FR816854A - Lenticular lattice film projection lenses : en fr
  • US2090248A - Illuminated table : en
  • US2090583A - Hydraulic control system for a stoker motor : en
  • USD105676S - Design for a tinsel scarf or similar : en
  • AU322536A - Improvements in petrol pumps : en
  • CA368074A - Hydrocarbon oil treatment : en fr
  • GB470437A - Improvements in or relating to collapsible chocks and the like for use in mines : en
  • USD105682S - Design fob a coat : en
  • GB470615A - Spark chamber for small automatic electric cut-outs : en
  • GR6732B - NEW METHOD OF MANUFACTURING CYCLES AND CASES OF METAL ANALOG WARMS FROM ROUND PIECES AND TUBES. : el en
  • FR816860A - Corrugated gaskets for sheet metal : en fr
  • GB470548A - Improvements in driving gear for manual or pedal operation : en
  • IE14730L - Dry gas-holder : en
  • FR816901A - Device to automatically prevent the lateral tipping of motorcycles : en fr
  • US2089990A - Receptor for invalids' beds : en
  • US2089999A - Collapsible tool cabinet unit : en
  • USRE20467E - Sound reproducing apparatus : en
  • US2090062A - Headlight for motor vehicles : en
  • GB470566A - Apparatus for making persons and objects invisible : en
  • US2090219A - Stocking and the like : en
  • AU101787B2 - Improvements in or relating to destroying of lower living organisms : en
  • US2090609A - Electrical fuse : en
  • CA368077A - Electrical discharge device : en fr
  • GB470659A - Improvements in or relating to wall boxes for electric switches : en
  • FR816982A - Micrometric apparatus to facilitate the capture of t waves. s. f. : en fr
  • FR816788A - Automatic machine for processing vegetables, fruits in general and oranges, tangerines, lemons in particular : en fr
  • GB470607A - Improvements in dynamo-electric machines : en
  • GB470644A - Improvements in or relating to brakes for automobiles : en
  • FR816714A - Method and corresponding devices for the construction of reinforced concrete houses : en fr
  • US2090536A - Velocipede structure : en
  • USD105703S - Design for a pistol grip lamp : en
  • GB470502A - Improved adjustable arm or bracket for lamps and other articles : en
  • GB470612A - Method of treating plants and obtaining textile fibres therefrom : en
  • DE649048C - Cutting device for separating the cellulose film stacks in one cut in machines for the production of sanitary napkins : de en
  • AU316636A - Extensible electric cables : en
  • ES143783A1 - An improved process for obtaining polymerized drying oils. : en es
  • US2090549A - Train order delivery device : en
  • DE649145C - Cooling device for the coil heads of toothed runners of electrical machines : de en
  • USD105660S - Design fob a curtain fabric : en
  • FR816701A - Device for regulating high voltage currents : en fr
  • GB470558A - Drying process : en
  • FR816736A - Concentric conductor cable for electrical communications : en fr
  • FR816910A - transparent protection screen for pendulums : en fr
  • GB471179A - Improvements in or relating to rubber soled boots and shoes : en
  • DE649272C - Device for setting the zero point in piezoelectric light control systems for sound film recorders : de en
  • USD105674S - Design for a blouse : en
  • US2090460A - Centrifugal extractor : en
  • US2090540A - Time controlled circuit maker and breaker : en
  • DE649334C - Electrical discharge vessel : de en
  • US2089949A - Process of coloring paper : en
  • US2089997A - Cable reel locomotive : en
  • US2090602A - Art of handling and utilizing foam forming chemicals : en
  • CA368159A - Core thread making apparatus : en fr
  • DE649347C - Ski boots : de en
  • DE649319C - Holder for storing individual coins in coin collections, in which the coins are arranged between walls made of transparent fabric : de en
  • US2090497A - Joint : en
  • AU101753B2 - Electrical signal transmission systems : en
  • FR816816A - Gas mask filter device : en fr
  • GB470842A - Improvements in or relating to water softening apparatus : en
  • US2090086A - Signaling device : en
  • IE14688L - Bituminous emulsions : en
  • DE649270C - Circuit for telephone systems with main and sub-exchanges : de en
  • FR816873A - Single monobloc burner, heavy oils, for apartment stoves, cookers and central heating : en fr
  • US2090437A - Dentifrice : en
  • FR816988A - Cyclic aminosulfonamide compounds and their production process : en fr
  • US2090521A - Accelerometer : en
  • US2090379A - Dough twisting machine : en
  • DE649379C - Jaet cultivator : de en
  • US2090067A - Stone finishing machine : en
  • US2090560A - Process for the manufacture of staple fiber : en
  • US2090108A - Shoe rack : en
  • USD105715S - Design fob a textile fabric : en
  • CA368067A - Olefine hydration : en fr
  • FR816763A - Improvements to metal bulb electronic tubes and their manufacturing process : en fr
  • US2090135A - Transfer device : en
  • DE649237C - Gas switch : de en
  • DE649228C - Transformer cooling arrangement : de en
  • US2089966A - Process for altering the energy content of dipolar substances : en
  • US2090490A - Covering material : en
  • US2090533A - Projectile : en
  • FR816723A - Knife with sliding blade by helical ramp : en fr
  • GB470684A - Improvements in or relating to seals for coke oven doors : en
  • CA368153A - Treatment chamber and cuff : en fr
  • CA368160A - Hollow wall and plate : en fr
  • GB470537A - Improvements in oscillating wing aircraft : en
  • GB471058A - Improvements relating to closet pans, slop sinks and other receptacles which are discharged by flushing : en
  • AU101768B2 - Extensible electric cables : en
  • CA368112A - Circuit breaker : en fr
  • AU145336A - Improvements in and relating to feed and regulating devices for fuel injection engines : en
  • FR816975A - Water skiing : en fr
  • GB470629A - Improvements in and relating to floating saddles for bicycles, motor-cycles and other vehicles : en
  • DE649244C - Waterproof flashlight or hand lamp : de en
  • GB470594A - A new or improved machine for marking nuts and like articles : en
  • DE649276C - Clamping device for holding together loose unperforated sheets, newspapers, etc. Like. With a clamp rail arranged foldably on the base plate : de en
  • AU380136A - Improvements in or relating to electrically operated fans : en
  • DE649295C - Distributor for solid or liquid fertilizer that works with two centrifugal wheels : de en
  • GB470587A - Improvements relating to loom shuttles : en
  • US2090092A - Swinging ironing machine cover : en
  • US2089986A - Wheel with rubber-like tread and method of making same : en
  • FR816891A - Improvement in the construction of annealing boxes : en fr
  • FR816961A - Improvements made to transmission systems, in particular those for motor vehicles : en fr
  • CA368127A - Sponge rubber : en fr
  • US2090152A - Clutch actuator : en
  • GB470814A - Improvements in hydraulically operated injection moulding presses : en
  • FR816932A - Gas rail in the shape of a horseshoe, made of stamped sheet metal, and its manufacturing process : en fr
  • FR816776A - Improvements in processes and cameras : en fr
  • FR816822A - Improvements to elastic and removable caps with tilting : en fr
  • FR816760A - Money box : en fr
  • FR816958A - Sheep beating the stakes : en fr
  • GB470734A - Method of making articles of aluminium alloys with electrolytic oxide coatings : en
  • GB471050A - Apparatus for the stacking and sorting of pieces issuing from a machine : en
  • FR816717A - Method and pliers for fitting braces in orthodontics : en fr
  • FR816820A - Improvements to gear changes : en fr
  • GB470549A - An improved base plate for electricity measuring apparatus consisting of pressed material preferably artificial resin : en
  • AU322736A - Electrical signal transmission systems : en
  • US2090046A - Drive for loom dobbies : en
  • US2090406A - Slow rotation sprinkler head : en
  • US2090425A - Carbon sheet and carbon binder : en
  • GB470512A - Improvements in or relating to windscreen wipers : en
  • GB470770A - Improvements in or relating to electric discharge lamps : en
  • FR816882A - Molten ash combustion chambers : en fr
  • GB470432A - Improvements in or relating to optical projectors : en
  • US2090209A - Bailer : en
  • DE649327C - Sand spreader for fast moving and highly braked vehicles, especially rail vehicles : de en
  • FR816960A - Marker plate for stereoscopic range finder : en fr
  • DE649117C - Corset with waist band and stomach band : de en
  • FR816921A - Process for the destruction of vermin or other harmful organisms, and process for the preparation of a substance having this purpose : en fr
  • DE649178C - Process for the electrolytic production of pure aluminum from aluminum alloys produced by reducing alumina-containing raw materials : de en
  • FR816733A - Hollow reinforced concrete mast for power lines, with method and device for its construction : en fr
  • DE649282C - Device for indirect preheating of iron ores or other goods : de en
  • GR6729B - ADVERTISING BOARD ON WHICH PRESENTS MOBILE ELECTRIC COLORED LETTERS BY ELECTRIC LAMPS NOT DISTINGUISHED EXTERNALLY. : el en
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  • FR816909A - Manufacturing process of ceramic electronic discharge tubes : en fr
  • CA368100A - Telephone system : en fr
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  • NL41244C - : en
  • US2090278A - Sand blasting apparatus : en
  • AU101763B2 - Improvements in electric fans : en
  • DE649388C - Musical instrument made entirely or in part of synthetic resin : de en
  • GB470421A - Improvements in or relating to carrier wave modulation systems : en
  • GB470651A - Improvements in and relating to the fireproof encasing of structural steelwork of buildings : en
  • US2090229A - Steam boiler : en
  • DE649153C - Drive device for snowshoes : de en
  • DE649122C - Cable termination for high voltage cables with an insulating body made of solidified mass : de en
  • DE649303C - Photographic slide shutter : de en
  • GB470737A - Improvements in change speed gearing for cycles of the shifting chain type : en
  • CA368131A - Resister : en fr
  • US2090363A - Process for the production of cement : en
  • US2090508A - Electric tool lifter for shapers : en
  • US2090544A - Electrical contact making device : en
  • US2090364A - Deflector for locomotive exhaust nozzles : en
  • US2090535A - Process and apparatus for the production of seamless tubes : en
  • AU101797B2 - Boot stretching machine : en
  • FR816790A - Method and device for fire protection for cinematographic apparatus : en fr
  • DK53454C - Procedure for tanning hides and skins. : da en
  • GB470476A - Improvements in corrugated metal sheets and in the manufacture thereof : en
  • DE649181C - Hydraulic braking device for vehicles, in particular motor vehicles : de en
  • FR816997A - Process for manufacturing hollow bodies without plastic joints : en fr
  • FR816732A - Mechanical device allowing, under the effect of a projectile, to animate a subject serving as a target : en fr
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  • CA368186A - Weatherstrip : en fr
  • GB470429A - Improvements in and relating to apparatus for obtaining high tension alternating current from low tension direct current : en
  • FR816876A - Improvements to apparatus for feeding cigarettes and other articles of similar shape : en fr
  • FR816794A - Automatic track lubricator : en fr
  • CA368082A - Saccharate manufacture : en fr
  • CA368154A - Hydrocarbon oil refining method : en fr
  • DE649167C - Casting wheel slide for die setting and line casting machines, which is mounted on the side and carries the casting wheel and which can be pulled forward beyond the casting position : de en
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  • AU500136A - Improvements in and connected with the regulation of S temperature of buildings : en
  • DE649205C - Process for electric arc welding with welding electrodes : de en
  • GB470815A - Improvements in means for controlling the excitation of dynamo electric machines : en
  • AU278136A - Improved antiglare device : en
  • ES143772A1 - Fixing procedure, resistant to washing, of sizing and filling media. : en es
  • US2090145A - Venetian blind or the like : en
  • US2090253A - Handle : en
  • US2090491A - Steam heating furnace : en
  • US2090567A - Oil burner : en
  • AU101762B2 - Process and apparatus forthe production of gas of definite composition from fuels : en
  • US2090077A - Apparatus for testing materials : en
  • US2090414A - Poultry feed receptacle : en
  • CA368109A - Electrical insulation : en fr
  • DE635898C - Machine for the production of pull cord packs : de en
  • GB470820A - Improvements relating to geysers or water heaters : en
  • AU458136A - Gas burner : en
  • US2090107A - Adjustable shutter for enclosed heaters or the like : en
  • US2090147A - Closure device : en
  • US2090561A - Suspension means of parts on vehicle frames : en
  • US2090074A - Induction furnace : en
  • GB470653A - Improvements in optical systems for colour photography : en
  • US2090267A - Burner for liquid fuels : en
  • US2090322A - Steering wheel switch operating apparatus : en
  • US2090565A - Closure operator : en
  • CA368151A - Refrigeration apparatus for the conditioning of air : en fr
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  • DE649320C - Cover rail for letter folder u. Like. With longitudinally extending clamping wires that can be spread by a rocker : de en
  • GB470724A - Sextant : en
  • DE649294C - Device for generating gas from wood, peat and. like : de en
  • FR816937A - Improvements relating to aeronautical propellers : en fr
  • US2090456A - Antiseptic sclerosing agents : en
  • US2090057A - Counter trough and guard : en
  • DE649123C - Switching arrangement for generating short-term current pulses : de en
  • GB470613A - Improvements in and relating to trim panels particularly for use in vehicle bodies : en
  • NL41321C - : en
  • USRE20474E - Manufacture of ethyl alcohol : en
  • US2090012A - Cutter : en
  • US2090342A - Starting apparatus for internal combustion engines : en
  • DE649211C - Device for introducing car bodies into conveyor frames : de en
  • DE649266C - Spray system with suction of the paint mist : de en
  • GB470753A - Improvements in and relating to jam and marmalade : en
  • DE649361C - Brake device for under- or overpressure brakes on vehicles : de en
  • FR816716A - Electron tube : en fr
  • AU532236A - Improvements in electric fans : en
  • FR816799A - Artillery equipment : en fr
  • CA368178A - Electric cable connector : en fr
  • GB470523A - Improvements in or relating to the feeding of tobacco to cigarettemaking machines : en
  • US2089973A - Shoetree and rack : en
  • US2090442A - Strap and method of making the same : en
  • US2090383A - Coin selector for pay telephones and like : en
  • US2090482A - Method of reforming rail joint bars : en
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  • GB470546A - Heating, welding, de-surfacing, or cutting process and apparatus : en
  • CA368170A - Doll : en fr
  • AU101757B2 - Improvements in or relating to electrically operated fans : en
  • CA368190A - Cream tempering method : en fr
  • DE649010C - Process for coloring high-molecular, organic, plastic masses, in particular rubber and rubber-like substances : de en
  • FR816959A - Wetting, emulsifying, cleaning and washing agents : en fr
  • GR6727B - ARTICLE WATCHES. : el en
  • AU101788B2 - Improvements relating to fluid circulation in refrigerating systems : en
  • US2090510A - Electrical conductor and method of manufacture : en
  • CA368140A - Glass tempering apparatus : en fr
  • GB470541A - Improvements in or relating to means for reproducing cinematographic image records : en
  • US2090127A - Solenoid pump : en
  • US2090082A - Mechanism for severing molten glass : en
  • US2090329A - Cutter chain : en
  • DE638423C - Device for extinguishing the arc in current interruption devices : de en
  • DE649196C - Process for gasifying raw coal dust : de en
  • FR816758A - Anode input for high voltage static converters : en fr
  • US2090018A - Container for viscous substances : en
  • US2090247A - Refrigerating apparatus : en
  • IE14546L - Electric discharge devices; ceramic composition : en
  • DE649260C - Automatic trailer coupling : de en
  • IE14434L - Production of metal bottles for tube manufacture : en
  • US2090347A - Switch mechanism : en
  • USRE20471E - Motor contooiung device : en
  • AU101789B2 - Improvements in and relating to earthing devices for electrical conductors : en
  • GB470443A - Improvements in or relating to safety razors : en
  • DE649151C - Device for adjusting the running wheel axles of caterpillar vehicles, which are pivotably mounted on the vehicle body : de en
  • US2089983A - Method and means of geophysical prospecting : en
  • US2090210A - Method of building safety inner tubes for pneumatic tires : en
  • US2090413A - Refrigerating apparatus : en
  • US2090233A - Process for manufacture of mercapto aryl thiazoles : en
  • DE649308C - Suspension of the handlebars on curved vehicles : de en
  • DE649062C - Lock for pedal and motorcycles : de en
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  • GB471046A - Production of steel articles that do not undergo any quenching treatment : en
  • US2090466A - Means for humidifying and drying air : en
  • USD105652S - Design fob a dress : en
  • US2090240A - Artificial gem in the nature of asteriae : en
  • US2090319A - Cyclic unsaturated ketones : en
  • US2090334A - Spraying device : en
  • DE649063C - Multi-head winding machine with moving winding heads : de en
  • ES143785A1 - A procedure, with its inherent apparatus, to introduce improvements in or relating to the procedures and apparatus for obtaining lead oxides or suboxides. : en es
  • US2090268A - Method of making inter-cell connections for storage batteries : en
  • GB470414A - Improvements in adjustable supporting arms for electric lamps : en
  • CA368134A - Pulverized fuel burner : en fr
  • GB470446A - : en
  • DE649185C - Device for conveying tobacco leaves, in particular after a stripping device : de en
  • US2090112A - Separating apparatus : en
  • US2090438A - Hydroxybenzofluorenones and process of making same : en
  • GB470496A - Television tube : en
  • GB470633A - Improvements relating to nests for poultry and the like : en
  • FR816946A - Latch lock : en fr
  • GB470716A - Improved animal race starting machine : en
  • GB470749A - Improvements in or relating to shoe upper conforming machines : en
  • FR816845A - Device for protecting the patient against injuries caused by chi rays : en fr
  • GB471057A - Improvements in or relating to the carroting of fur and the like : en
  • CA368066A - Resilient brake connection : en fr
  • US2090054A - Electric current conversion discharge apparatus : en
  • US2090232A - Injection nozzle : en
  • USD105727S - Design for a last : en
  • FR816737A - Single-command shifting : en fr
  • GB470508A - Process for the preparation and preservation of vitamin-containing foods : en
  • US2090124A - Sliding clasp fastener : en
  • US2090518A - Electrical switch gear : en
  • US2090010A - Rotary inverter and rectifier : en
  • US2090098A - Glass resisting metal vapors : en
  • US2090265A - Automatic clutch : en
  • USD105672S - Design for a dress : en
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  • AU392936A - Improvements in or relating to safety razors : en
  • DE649067C - Starting device for induction motors : de en
  • GB470841A - Improvements in or relating to machine tools, for example hydraulic shaping machines : en
  • DE649307C - Device for moving motor vehicles in the transverse direction : de en
  • US2089994A - Flash-back indicator for mercury rectifier tubes : en
  • US2090516A - Voltage regulating system : en
  • DE649286C - Internal combustion engine system with supercharging and electrical power transmission : de en
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  • GB470679A - Apparatus for contact treatment of materials : en
  • US2090215A - Window construction : en
  • US2090593A - Process for the preparation of urea derivatives : en
  • US2090430A - Lysergic acid amides and process for : en
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  • US2090393A - Liquid fuel : en
  • FR816791A - Hollowed and ventilated locking crucible or crucible for glass or other molten materials : en fr
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  • DE649265C - Military spade with device to set up as a protective shield : de en
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  • GB470578A - Improvements in or relating to sieves for coal : en
  • NL41248C - : en
  • US2090570A - Rubber treating apparatus : en
  • DE649188C - Process for wastewater treatment : de en
  • FR816890A - Process for the dehydrogenation of artificial resins and product obtained by this process : en fr
  • FR816931A - Improvements to capping machines : en fr
  • US2089972A - Process of making wheel disks : en
  • US2090479A - Feeding device : en
  • US2090541A - Door or gate mechanism : en
  • US2090277A - Adjustable orifice and valve : en
  • CA368095A - Aluminium base alloy : en fr
  • FR816967A - Sticky materials : en fr
  • DE649246C - Process for the production of leather substitutes : de en
  • GB470628A - Wooden bodies of caravans or the like : en
  • DK53456C - Method and Apparatus for Sealing Holes in Concrete Walls. : da en
  • CA368157A - Drum or container lock : en fr
  • DE649216C - Block storage : de en
  • DE649257C - Photographic lens shutter : de en
  • AU101749B2 - Electron-optical arrangement : en
  • DE649197C - Process for the sterilization of surgical sewing material : de en
  • CA368163A - Hair waving and curling apparatus : en fr
  • DE649340C - Socket wrench for faucets with a liftable plug : de en
  • FR816849A - Improvements to convertible car bodies : en fr
  • FR816852A - Process for isolating the stereoisomeric alcohols of the androstane series from their mixtures : en fr
  • FR816998A - gas scrubber, in particular for ridding them of sulfur compounds : en fr
  • NL41647C - : en
  • US2090087A - Speed indicating device : en
  • US2090606A - Variable speed transmission : en
  • AU101802B2 - Improvements in and relating to milk containers : en
  • FR816908A - Improvements to automatic scales : en fr
  • CA368145A - Drill hole core taking apparatus : en fr
  • US2090033A - Short wave discharge tube : en
  • US2090522A - Electrical control device : en
  • GB470688A - Improvements in dynamos for cycle lamps : en
  • GB470581A - Fluid pressure braking and steering apparatus : en
  • DE649155C - Skill game : de en
  • US2090374A - Hose clamp : en
  • FR816861A - Method and apparatus for the manufacture of articles such as: wash basins, sinks, bowls, etc., of sheet metal by forging : en fr
  • GB470685A - Improvements in or relating to electrical condensers : en
  • GB470771A - Improvements in and relating to control systems for regenerative braking of electricmotors : en
  • AU30137A - Improvements in and relating to microphones : en
  • GB470619A - Improvements in or relating to apparatus for changing the frequency of electric oscillatory currents : en
  • US2090264A - Automatic power transmitting mechanism : en
  • US2090500A - Method of knitting : en
  • USD105713S - Design for an electric toaster or : en
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  • FR816877A - Process for obtaining identical simple surfaces which can be composed of an entire surface for technical purposes of all kinds, tiles, textile models, etc. : en fr
  • GB470664A - A composition made by compressing artificially produced resins : en
  • DE649115C - Ringing hourglass : de en
  • AU532136A - Process and apparatus forthe production of gas of definite composition from fuels : en
  • FR816831A - Dispensing plant for boiled water and various solutions and combined device for medical care : en fr
  • GR6736B - ELECTRIC MELTING OVEN WITH ZUL RESULTS. : el en
  • DE649180C - Arrangement on photoelectric control devices : de en
  • DE649374C - Patrix : de en
  • FR816782A - Process for the formation of agglomerated or impregnated products : en fr
  • DE649130C - Device for crushing tobacco mass : de en
  • DE649335C - Crystal photo cell for amplifier operation : de en
  • DE649169C - Device for removing cardboard or paper blanks from a stack with the aid of a suction roller : de en
  • US2090060A - Double exposure prevention camera : en
  • US2090100A - Brake construction : en
  • US2090367A - Ornamental adjustable slide fastener : en
  • US2090546A - Process for the manufacture of velvet or pile articles : en
  • DE649356C - Layered capacitor stack made of insulating plates and metal foils : de en
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  • US2090577A - Molding composition : en
  • US2090131A - Apparatus for conditioning paper : en
  • USD105693S - Design fob a dress : en
  • DE649046C - Device for the automatic control of the amount of gas to be generated in gas generation systems with equalizing tanks and periodically fluctuating gas consumption : de en
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  • US2090391A - Method of and apparatus for examining eyes : en
  • US2090164A - Hammer : en
  • AU200636A - Improved method of and means for controlling the flow of water andother liquids : en
  • FR816841A - Hydraulic resistance gear brake : en fr
  • CA368075A - Rayon yarn : en fr
  • US2090326A - Liquid spraying apparatus : en
  • DE649280C - Apparatus for making direct lithographic prints on single or multi-color rotary rubber printing machines : de en
  • FR816838A - Detachable trailer and its applications : en fr
  • US2090463A - Apparatus for rolling sheet metal : en
  • USD105669S - Design for a bottle or similar : en
  • USD105710S - Design for a coffee mill : en
  • US2090026A - Aerial lead for radio reception : en
  • USD105670S - Design for a basket cooker : en
  • FR816785A - Improvements to electric shock devices : en fr
  • FR816987A - High frequency oscillator : en fr
  • GB470652A - Improvements relating to wipers or cleaners for wind-screens or the like : en
  • GR6739B - CONVERTING SYSTEM OF ALL TYPE OF WATCH IN ELECTRIC MOBILE. : el en
  • CA368106A - Engine ignition system : en fr
  • FR816819A - New composite rayon yarn : en fr
  • FR816836A - Pistol-style hand-held firearms enhancements : en fr
  • GB470750A - Improvements in and relating to hydraulic power transmission : en
  • FR816990A - Process for preparing chlorinated methanes from less strongly chlorinated methanes : en fr
  • FR816976A - Device for regulating the supply of heating gas to the coke ovens : en fr
  • FR816986A - Ultra-shortwave emission system : en fr
  • DE649191C - Device for drying running webs made of any material and provided with a print or the like : de en
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  • AU366236A - Improved collapsible tent : en
  • FR816918A - Direct manufacturing process for mortars and concretes from the constituent materials of the mixing binder used, without going through the cement powder stage. -material for carrying out the process : en fr
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  • GB470754A - Improvements in and relating to steam generating plant : en
  • US2090153A - Cigarette holder : en
  • US2090345A - Heat exchanger : en
  • AU101751B2 - Improvements relating too extyension ladders : en
  • NL41265C - : en
  • US2090375A - Folding box : en
  • US2090031A - Rock drill : en
  • AU101803B2 - Improvements in spectacles : en
  • US2090411A - Clutch : en
  • US2090572A - Cream-milk can washing apparatus : en
  • US2089975A - Shoe rack : en
  • US2089988A - Method and apparatus for indicating peak conditions of pressure phenomena : en
  • US2090142A - Wet purification of gases : en
  • US2090172A - Telephone system : en
  • FR816753A - Single line roller skate : en fr
  • US2090396A - Fixing composition and method of aftertreating dyed materials : en
  • FR816942A - Improvements to magnetic compasses : en fr
  • DE649129C - Cover for bomb-proof self-contained air raid shelters : de en
  • GB470656A - Improvements relating to vehicle-wheel bearings : en
  • GB470663A - Improvements relating to carpet sweepers : en
  • FR816916A - Automatic livestock drinker : en fr
  • CA368101A - Can filling machine : en fr
  • FR816864A - Lubricating oil treatment process : en fr
  • FR816900A - Improvements made to ceramic materials : en fr
  • DE649229C - Arrangement for converting multiphase alternating current of one frequency into alternating current of another frequency, in particular single-phase current of lower frequency, by means of grid-controlled discharge vessels, preferably with vapor or gas filling : de en
  • GB470630A - An improved pneumatic hammer for piercing the tapping-holes of blast furnaces : en
  • DE649142C - Felt calender : de en
  • GB471056A - Improvements relating to apparatus for transporting stacks of articles : en
  • DK53459C - Device for Crude Oil Engines for Spraying and Ignition of the Fuel. : da en
  • GR6737B - AUTOMATIC WATER PUMPING MACHINE. : el en
  • FR816878A - Pressurized gas distributor : en fr
  • CA368115A - Air conditioning apparatus : en fr
  • CA368093A - Tobacco feeding apparatus : en fr
  • AU101778B2 - Improvements in or relating tothe manufacture of stratified bodies such as safety glass : en
  • DE649163C - Hobbing process for the production of face and helical gears with teeth that are convex in the longitudinal direction : de en
  • DE649204C - Shortwave tuning circuit : de en
  • FR816738A - Articulated wall dryer : en fr
  • US2089935A - Radiator grille construction : en
  • US2090351A - Injection pump : en
  • CA368124A - Winding and unwinding method : en fr
  • US2090435A - Packing device : en
  • FR816995A - Improvements to hydraulic brakes, dynamometers and clutches : en fr
  • US2090014A - Tubing : en
  • US2090126A - Automatic fire extinguishing apparatus : en
  • USD105709S - Design foe a coffee mill : en
  • US2090040A - Pick easing motion : en
  • US2090196A - Packless steam valve : en
  • US2090401A - Fluid pump construction : en
  • CA368189A - Motor vehicle steam heating system : en fr
  • AU101760B2 - Improvements in or relating to the heat treating of articles : en
  • FR816920A - Discharge tube with indirect cathode : en fr
  • GB470416A - Improvements in or relating to buttons : en
  • FR816724A - Device for the study of sound : en fr
  • GB470739A - Improvements in sighting devices, more particularly for bomb-dropping : en
  • FR816856A - Method and device for storing perishable liquids : en fr
  • GB470564A - Improvements in the construction of ships and boats : en
  • GR6745B - AUTOMATIC PLASTIC AFTER BALYCOMETER. : el en
  • AU101783B2 - Improved method of and means for controlling the flow of water andother liquids : en
  • GB470714A - A new or improved goniometer : en
  • US2090052A - Aircraft : en
  • US2090289A - Centrifugal casting mold : en
  • US2090078A - Lipstick holder : en
  • GB470444A - Improvements in or relating to artificial tooth crowns, hollow facetted teeth, or the like : en
  • DE649037C - Process for the fermentation of alcohol, in particular used as motor fuel : de en
  • DE649293C - Discharge tubes : de en
  • US2089968A - Electrical musical instrument : en
  • US2090291A - Pretzel forming apparatus : en
  • USD105648S - Design for a latch : en
  • GB470430A - Improvements in and relating to welded metal structures : en
  • US2090151A - Commutator notching machine : en
  • DE649297C - Device for cooling the spark plugs of internal combustion engines : de en
  • GB470741A - Staybolts of clad metal and method of manufacturing same : en
  • GB470776A - Improvements in and relating to needle weaving looms : en
  • US2090599A - Yarn carrier stop control mechanism for straight knitting machines : en
  • USD105700S - Design for a receptacle or similar : en
  • US2090355A - Coal mining apparatus : en
  • US2090548A - Trimming device : en
  • CA368072A - Hydrocarbon oil treatment : en fr
  • CA368129A - Card punch : en fr
  • US2090044A - Alloys : en
  • AU469336A - Improvements in or relating to storage batteries : en
  • DE649146C - Process for degreasing rawhide, bare skin and leather : de en
  • FR816777A - Process for the manufacture of carpentry frames used for making furniture, doors, windows, etc. : en fr
  • CA368108A - Refrigerating machine : en fr
  • US2089995A - Sport cap : en
  • CA368111A - Air conditioning apparatus : en fr
  • DE649066C - Device for achieving a self-start with single-phase asynchronous motors : de en
  • DE649311C - Device for restarting heavily loaded ceramic machines : de en
  • US2089980A - Food preparing implement : en
  • US2090273A - Embalming device : en
  • US2090285A - Building tile : en
  • AU315036A - Improvements relating too extyension ladders : en
  • US2090417A - Refrigerating apparatus : en
  • US2090588A - Device for sealing the joint between two relatively movable bodies : en
  • US2090578A - Colloidal mill : en
  • CA368166A - Cash register : en fr
  • US2090601A - Method and apparatus for extinguishing fires : en
  • FR816784A - Further training in piston machines : en fr
  • DE649245C - Process for the production of plastic masses from polysulphides and organic halogen compounds : de en
  • USD105687S - Design fob a tray ob similar article : en
  • DE646096C - Sewing machine with a knife drive : de en
  • US2090028A - Typographical machine : en
  • US2090073A - Method and apparatus for controlling heating systems : en
  • US2090464A - Implement retainer : en
  • GB470910A - Improvements in or relating to the treatment of seeds, bulbs, tubers and roots : en
  • DE649259C - Automatic exposure regulator for photographic cameras : de en
  • DE648311C - Process for the preparation of sucrose acids and their salts : de en
  • DE649310C - Crampons for poles and pillars : de en
  • GB470715A - Improvements in the manufacture of soap : en
  • DE649358C - X-ray system for the production of several quickly successive, for example cinematographic or stereoscopic recordings : de en
  • US2090227A - Cushion : en
  • FR816994A - Applying automatic closures to clothing : en fr
  • FR816721A - Improvements to anti-aircraft fire control devices for navigation and other uses : en fr
  • GB470727A - Improvements in or relating to coating and protecting porous materials : en
  • DE649383C - Multi-stage carburetor : de en
  • US2090157A - Road sign : en
  • GB470598A - Improvements in and connected with machinery for making paper and like bags and the like : en
  • US2090223A - Vehicle : en
  • US2090395A - Loading machine gathering chain : en
  • US2090398A - Stereo-refractor optical system : en
  • US2090433A - Fuel burner : en
  • US2090597A - Selective controlling means for knitting machines : en
  • GB470506A - Improvements in safety switches for electrically heated appliances : en
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  • US2090179A - Car wheel : en
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  • US2090538A - Variable band coupling device for superheterodyne radio receivers : en
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  • FR816917A - : fr
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  • FR816919A - Improvements to grid-screen lamps intended for the generation and amplification of very high frequencies : en fr
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  • NL41383C - : en
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  • GB470614A - An improved method of metallisation by cathode disintegration : en
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