• US2090030A - Drier : en
  • US2090356A - Annular cutting or bore hole enlarging apparatus : en
  • US2090486A - Valve : en
  • CA368092A - Cellulose ester production : en fr
  • US2090339A - Filament and thread treatment : en
  • CA368112A - Circuit breaker : en fr
  • CA368141A - Radio tube carton : en fr
  • CA368174A - Engine ignition system : en fr
  • CA368099A - Tube shaping tool : en fr
  • US2090280A - Compressor : en
  • US2090288A - Scale : en
  • US2090582A - X-ray tube : en
  • US2090543A - Power lift for gin breasts : en
  • USD105645S - Design for an accessory drawer for : en
  • DE649124C - Arrangement for converting alternating current in any number of phases and variable frequency, especially for feeding AC motors : de en
  • US2090123A - Motor vehicle : en
  • US2090297A - Deodorizer : en
  • US2090586A - Apparatus fob bodying tung oil : en
  • CA368171A - Flooring panel : en fr
  • USD105651S - Design for an ensemble dress : en
  • US2090571A - Weed guard for fishhooks : en
  • AU145336A - Improvements in and relating to feed and regulating devices for fuel injection engines : en
  • US2090351A - Injection pump : en
  • US2090209A - Bailer : en
  • CA368180A - Accounting and listing form : en fr
  • US2090456A - Antiseptic sclerosing agents : en
  • DE649181C - Hydraulic braking device for vehicles, in particular motor vehicles : de en
  • FR816997A - Process for manufacturing hollow bodies without plastic joints : en fr
  • US2090502A - Method and apparatus for manufacturing cut-filament sliver from continuous filament tape : en
  • DE634137C - Device for transferring amounts for loose sheets for keeping loose sheets : de en
  • DE649303C - Photographic slide shutter : de en
  • GB470737A - Improvements in change speed gearing for cycles of the shifting chain type : en
  • GR6744B - AUTOMATIC THROUGH THE LUNG OPERATION OXYGEN SUPPLY ADJUSTMENT AFTER ADDITION OF OUTDOOR AIR. : el en
  • GB470753A - Improvements in and relating to jam and marmalade : en
  • DE649131C - Device for filling the tips of cigars provided with a wrapper : de en
  • FR816725A - Improvements to wall buffers : en fr
  • CA368130A - Solid oil constituent separation : en fr
  • US2090295A - Spring construction : en
  • US2090149A - Scavenging two-cycle engine : en
  • US2090205A - Electric remote control system : en
  • US2090261A - Glass washing and sterilizing machine : en
  • FR816960A - Marker plate for stereoscopic range finder : en fr
  • FR816798A - Improvements to shock absorbers : en fr
  • GB470706A - Improvements in dustpans and the like : en
  • US2090107A - Adjustable shutter for enclosed heaters or the like : en
  • US2090147A - Closure device : en
  • US2090561A - Suspension means of parts on vehicle frames : en
  • DE649246C - Process for the production of leather substitutes : de en
  • GB470628A - Wooden bodies of caravans or the like : en
  • US2090143A - Gas washing : en
  • US2090337A - Valve actuating mechanism : en
  • US2090534A - Plate distilling column : en
  • DE649265C - Military spade with device to set up as a protective shield : de en
  • GB470559A - Improvements in and relating to injection syringes : en
  • GB470578A - Improvements in or relating to sieves for coal : en
  • DE649307C - Device for moving motor vehicles in the transverse direction : de en
  • CA368179A - Temperature compensator : en fr
  • FR816957A - Chlorination process for methane and its homologues : en fr
  • GB470668A - Improvements in or relating to metal cutting : en
  • US2090423A - Reverse belt and pulley drive : en
  • US2090467A - Water purifying material and method of preparing and using the same : en
  • AU101798B2 - Improvements relating to the manufacture of bread and the like : en
  • USD105682S - Design fob a coat : en
  • US2090193A - Wheel structure : en
  • US2090314A - Ignition system : en
  • DE649171C - Strain relief for the lines of rubber double or multiple plug devices : de en
  • DE649318C - Device for loosely needling the fabric edges on tensioning and drying machines : de en
  • US2089957A - Manufacture of salts : en
  • USD105667S - Design fob a condiment shaker : 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
  • US2089982A - Carbon sheet support for writing machines : en
  • AU101787B2 - Improvements in or relating to destroying of lower living organisms : en
  • DE649299C - Roller bearing cage : de en
  • IE14641L - Hair waving : en
  • AU101799B2 - Improved collapsible tent : en
  • FR816807A - Safety insecticide and bactericide device : en fr
  • US2089948A - Textile fabric : en
  • US2090286A - Spool holder : en
  • DE649338C - Ashtray : de en
  • GB470637A - Improvements in cleating or anchoring systems for multiple electric wires or pipes : en
  • GB470719A - Device for denicotining tobacco : en
  • US2090163A - Method of liquefying and storing fuel gases : en
  • US2090530A - Tobacco can : 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
  • FR816906A - Compound lubricating oil : en fr
  • FR816907A - Improvements in the construction of retorts or chambers for carbonization of coal : 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
  • US2090168A - Photograph drying machine : en
  • US2090303A - Hydraulic brake : en
  • US2090468A - Turbine blade : en
  • FR816928A - Process for the preparation of oxidation products of aliphatic hydrocarbons : en fr
  • FR816970A - Vibration and shock absorber support : en fr
  • GB470576A - Improvements in the cracking and coking of hydrocarbon oils : en
  • GB470716A - Improved animal race starting machine : en
  • GB470749A - Improvements in or relating to shoe upper conforming machines : 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
  • 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
  • FR816876A - Improvements to apparatus for feeding cigarettes and other articles of similar shape : en fr
  • DE649178C - Process for the electrolytic production of pure aluminum from aluminum alloys produced by reducing alumina-containing raw materials : de en
  • US2089992A - Continuous bleaching process and apparatus : en
  • USRE20469E - Regenerative air conditioning : en
  • DE649294C - Device for generating gas from wood, peat and. like : de en
  • US2089984A - Treatment of wax : en
  • US2090257A - Fruit wrapping machine : en
  • CA368067A - Olefine hydration : en fr
  • FR816908A - Improvements to automatic scales : en fr
  • US2090047A - Driving motion for loom dobbies : en
  • US2090075A - Separator : en
  • FR816963A - Method and devices for television transmission with electron tube as an analyzer system : en fr
  • FR816904A - Shell press for pressing moving pieces of fabric : en fr
  • US2090445A - Cable guide : en
  • US2090294A - Wheel centering and camber gauge : en
  • US2090359A - Wireless signaling system for aircraft : en
  • US2090312A - Thermostatic material : en
  • DE649174C - United driving and safety brake for conveyor machines : de en
  • GB470822A - An improved firegrate and fireplace for the combustion of fuel : en
  • AU316636A - Extensible electric cables : en
  • US2089966A - Process for altering the energy content of dipolar substances : en
  • US2090490A - Covering material : en
  • US2090533A - Projectile : en
  • DE649106C - Signaling device for marking the switching status of switches in switchgear : de en
  • DE649141C - Lockable zipper slider : de en
  • DE649116C - Chenille carpet : de en
  • GB470732A - Improvements in and relating to liquid fuel burners : en
  • GB470681A - Improvements in or relating to centrifugal governors : en
  • FR816797A - Improvements to hydraulic shock absorbers : en fr
  • GB470420A - Improvements in or relating to shot-gun cartridges : en
  • IE14688L - Bituminous emulsions : en
  • US2090267A - Burner for liquid fuels : en
  • US2090322A - Steering wheel switch operating apparatus : en
  • USD105671S - Design for a jar : en
  • US2090157A - Road sign : en
  • FR816934A - Process for the production of an adsorbent material : en fr
  • FR817000A - Guilloche press for warp knitting machines : en fr
  • US2090153A - Cigarette holder : en
  • US2090345A - Heat exchanger : en
  • DE649210C - Swivel platform for blind shafts : de en
  • GB470691A - Improvements relating to rotary fluid meters : en
  • DE649206C - Disinfection method : de en
  • DE649241C - Starting and regulating resistor in collector form with motor drive and attached fan : de en
  • USD105670S - Design for a basket cooker : en
  • US2089938A - Tool-guard : en
  • US2089931A - Pipe fitter's wrench : en
  • US2090335A - Servo mechanism : en
  • US2090382A - Can opener : en
  • CA368089A - Osmium extraction : 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
  • GB470555A - Improvement in time delay electric switches for fire alarms : en
  • GB470676A - Improvements in or relating to ball bearings : en
  • 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
  • US2090259A - Tool : en
  • FR816926A - Fixing device : en fr
  • GB470627A - Improvements in and relating to atomisers operating with compressed air : en
  • GB470743A - Improvements in or relating to injection internal combustion engines having a pneumatic speed governor : en
  • GR6733B - AROTRON TWO-SINGLE ONLY WITH FRAME WITH DIFFERENT HEIGHT ADJUSTMENT BY LEVER. : el en
  • US2089973A - Shoetree and rack : en
  • US2090442A - Strap and method of making the same : en
  • FR816839A - Game device and board for its use : en fr
  • FR816829A - Apparatus for warming up leather soles and other materials under pressure : en fr
  • US2090094A - Voting machine : en
  • US2090120A - Draft and buffer gear : en
  • CA368185A - Railway car coupler yoke : en fr
  • DE649146C - Process for degreasing rawhide, bare skin and leather : de en
  • US2090106A - Jewelry finding : en
  • CA368144A - Rail joint : en fr
  • GB470619A - Improvements in or relating to apparatus for changing the frequency of electric oscillatory currents : en
  • DE649208C - Conveyor device : de en
  • DE649134C - Circuit arrangement for telephone extension systems : de en
  • GB470604A - Improvements in and relating to quick detachable wheel hubs : en
  • GB470767A - Improvements in electromagnetic machines with longitudinally moving armatures : en
  • US2090346A - Reading apparatus : en
  • US2090507A - Shaper tool lifter : en
  • AU466036A - Improvements relating to fluid circulation in refrigerating systems : en
  • US2090221A - Rolling mill : en
  • US2090404A - Machine for extruding plastic material : en
  • US2090038A - Aircraft construction : en
  • US2090457A - Fuse for projectiles : 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
  • US2090348A - Golf apparatus : en
  • US2090250A - Replaceable hose coupling : en
  • US2090424A - Asymmetrical free piston motor compressor : en
  • US2090469A - Automatic continuous blow-down : en
  • FR816868A - Motor vehicle, in particular tractor : en fr
  • GR6740B - "NOURI" SYSTEM FIRE PIPELINE FOR SHOOT MISSIONS OF ALL CALIRE. : el en
  • CA368088A - Mercaptan oxidation : en fr
  • US2090039A - Igniter : en
  • ES143518A1 - Thread guiding introducer for tissues. : en es
  • FR816846A - Improvements in apparatus for feeding cigarettes or other articles of similar shape : en fr
  • DE649201C - Handle for electric iron : de en
  • FR816821A - Improvements to centrifugal pumps : en fr
  • 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
  • DE649066C - Device for achieving a self-start with single-phase asynchronous motors : de en
  • DE649311C - Device for restarting heavily loaded ceramic machines : de en
  • ES143595A2 - IMPROVEMENT IN THE OBJECT OF THE MAIN PATENT NUMBER 138502 : en es
  • GB471046A - Production of steel articles that do not undergo any quenching treatment : en
  • FR816809A - Shaving device : en fr
  • GR6728B - TREATMENT MACHINE WITH CONNECTING FRAMES FOR MAKING EC YARN. : el en
  • US2090040A - Pick easing motion : en
  • DE649377C - Veneer press with electrically heated, thin and flexible metal plates : de en
  • DK53458C - Apparatus for sound reproducing apparatus, in which photographic sound strips are applied to a film strip next to each other. : da en
  • FR816840A - Manufacturing process of mixed carbides and hard metal alloys : en fr
  • US2090146A - Closure : en
  • USRE20476E - Temperature controller recorder including method and apparatus : en
  • FR816890A - Process for the dehydrogenation of artificial resins and product obtained by this process : en fr
  • FR816931A - Improvements to capping machines : en fr
  • FR816991A - Chromatable dyes and process for preparing these dyes : en fr
  • CA368106A - Engine ignition system : en fr
  • US2089942A - Mounting for wallboards : en
  • US2090043A - Acoustic tile : en
  • US2090489A - Process for the manufacture of molded articles : en
  • GB470419A - Improvements in or relating to cleaning the interiors of enclosed spaces by volatilegrease solvents : en
  • US2090005A - Rope tightener : 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
  • US2090347A - Switch mechanism : en
  • AU101770B2 - Improvements in and relating to microphones : 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
  • DE649292C - Electrode arrangement in vertical electron tubes of greater power : de en
  • GB470586A - Improvements in or relating to clock mechanisms : en
  • DE649067C - Starting device for induction motors : de en
  • GB470736A - Remote control systems particularly for tuning radio receivers and transmitters : en
  • FR816822A - Improvements to elastic and removable caps with tilting : en fr
  • 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
  • US2090427A - Bottle drier : en
  • US2090246A - Throttle control device for automobiles : en
  • 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
  • US2090419A - Locomotive cab and appurtenances : en
  • DE648170C - Removal scraper pivotable around a horizontal and vertical axis : de en
  • DE649085C - Control for two-stroke internal combustion engines : de en
  • 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
  • FR816894A - Pressurized fluid brake and steering gear : en fr
  • IE14317L - Game apparatus : en
  • US2089940A - Coupling device for collapsible tubes : en
  • US2090485A - Dialkylaminoalcohols : en
  • FR816924A - Mineral insulated electric cables and conductors as well as method and apparatus for their manufacture : en fr
  • GB470907A - Improvements relating to the construction of ships : en
  • GB471056A - Improvements relating to apparatus for transporting stacks of articles : en
  • DK53467C - Adjustable spring device for motor vehicles, in particular for those with oscillating half-axles and torsion springs. : da en
  • FR816815A - Improvements to correctors for aircraft tracking devices : en fr
  • FR816896A - Improvements to color cinematography : en fr
  • DE649252C - Magnetic electric machine, in particular magnetoelectric switches : de en
  • US2090032A - Blowing device : en
  • USD105702S - Design for a textile fabric : en
  • US2090354A - Combined medicine dropper and swab : en
  • DE649233C - Process for the production of halogens from their solutions : de en
  • DE649160C - Electric switch : de en
  • DE649337C - Combustion air control for furnaces of furnaces : de en
  • GB470443A - Improvements in or relating to safety razors : en
  • US2090309A - Dual-actuating unleakable faucet : en
  • US2090477A - Device for displaying goods : en
  • GB470473A - Improvements relating to exhaust silencers for engines : en
  • FR816988A - Cyclic aminosulfonamide compounds and their production process : en fr
  • GB470549A - An improved base plate for electricity measuring apparatus consisting of pressed material preferably artificial resin : en
  • AU511536A - Improvements in spectacles : en
  • US2090326A - Liquid spraying apparatus : 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
  • 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
  • US2090374A - Hose clamp : en
  • US2089949A - Process of coloring paper : en
  • US2089997A - Cable reel locomotive : en
  • US2090602A - Art of handling and utilizing foam forming chemicals : en
  • US2090450A - Photographic dusting-on process by the employment of acetals as the light-sensitive material : en
  • US2090067A - Stone finishing machine : en
  • US2090560A - Process for the manufacture of staple fiber : 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
  • CA368080A - Cooling unit : en fr
  • DK53444C - Station Indicator for Radios. : da en
  • GB470522A - Improvements in lenses : en
  • US2090183A - Package divider : en
  • US2090252A - Automatic tobacco weigher : en
  • US2090180A - Well screen : en
  • US2090436A - Seat installation : en
  • FR816764A - Cleaning saw : en fr
  • DE649068C - Runner for pole-changing synchronous machines : de en
  • GB470512A - Improvements in or relating to windscreen wipers : en
  • US2090004A - Televisor transmission system : en
  • NL41412C - : en
  • DE649110C - Device for exercising orthopedic irritant effects on the naked human foot : de en
  • DE649158C - Circuit arrangement for the remote control of charging devices in sub-exchanges via telephone lines : de en
  • DE649222C - Driving device for motor vehicles : de en
  • GB470529A - The manufacture of vat dyestuffs : en
  • GB470602A - Improvements in and relating to spring reverse motions for looms : en
  • GB470669A - Improvements in or relating to metal pipe joints : en
  • DE649039C - Register strip punching machine for the production of register strips for die setting and line casting machines : de en
  • US2090460A - Centrifugal extractor : en
  • US2090540A - Time controlled circuit maker and breaker : en
  • US2090024A - Wood heel turning machine : en
  • DE649256C - Guide for the material bars to be pushed in at turret swivel arms or the like : de en
  • ES143783A1 - An improved process for obtaining polymerized drying oils. : en es
  • 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
  • GB470662A - Cores for radiators or other heat-exchangers and the manufacture thereof : en
  • US2090497A - Joint : en
  • GB470763A - Improvements in or relating to suction cleaners : en
  • GB470841A - Improvements in or relating to machine tools, for example hydraulic shaping machines : en
  • FR816786A - Improvements to electrical signaling systems : en fr
  • FR816787A - Electrical switch : en fr
  • GB470422A - Improvements in and relating to means for changing the magazines of typographical composing machines : en
  • FR816711A - Filter bandwidth adjustment system : en fr
  • FR816871A - Winding device for cameras : en fr
  • DE649219C - Adjustable pulley : de en
  • DE649309C - Winding machine with drive drum drive of the winding spool : de en
  • GB470699A - Improvements in and relating to silica gell suspensions and compositions : en
  • DE649166C - Method and device for maintaining a uniform heat condition of the main engine of a steam power plant : de en
  • FR816742A - Device for the modulation of electric currents by means of a photocell with several grids : en fr
  • CA368136A - Tire : en fr
  • US2090601A - Method and apparatus for extinguishing fires : en
  • DE635898C - Machine for the production of pull cord packs : de en
  • DE649383C - Multi-stage carburetor : de en
  • US2090437A - Dentifrice : en
  • AU179666A - Arrangement for controlling electrical energy through mechanical energy : en
  • FR816795A - Illuminated decorative objects : en fr
  • FR816801A - Friction drive winder stop device : en fr
  • AU101765B2 - Improvements in oscillatory circuits : en
  • DE649139C - Hot water heating with a high hot water generator that supplies the consumer system : de en
  • AU101779B2 - Improvements in or relating to storage batteries : en
  • AU317836A - Improvements in or relating to electrical resonators of the transmission line type : en
  • GB470525A - Improvements relating to valves : en
  • ES143771A1 - An improvement in the preparation of fibro-cement material. : en es
  • GB470746A - Improvements in and relating to the manufacture of artificial structures and other useful articles from cellulose derivatives : en
  • GB470414A - Improvements in adjustable supporting arms for electric lamps : en
  • US2090095A - Candy cutting machine : en
  • US2090501A - Weatherproof socket : 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
  • FR816880A - Sealant for sealing small jars, boxes and other similar containers : en fr
  • FR816967A - Sticky materials : en fr
  • FR816866A - Photographic camera with electric posometer : en fr
  • ES143265A1 - Improvements introduced in the construction of cranes in total rotation. : en es
  • US2090592A - Process for producing alkali metal : en
  • FR816932A - Gas rail in the shape of a horseshoe, made of stamped sheet metal, and its manufacturing process : en fr
  • US2090167A - Attaching clip for metal moldings : en
  • US2090603A - Condensation products of : 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
  • AU101764B2 - Electromagnetic vibrating systems and apparatus : en
  • DK53442C - Freezer. : da en
  • GB470534A - Process for producing lubricating oils : en
  • GB470729A - Improvements in or relating to electric amplifiers : en
  • FR816843A - Cleaning products and preservatives exerting a disinfectant action : en fr
  • US2089991A - Process for undercutting laminated safety glass : en
  • US2090184A - Circuit closing device for flat tire indication : en
  • US2090330A - Drill mechanism : en
  • DE649381C - Rotary piston internal combustion engine : de en
  • GB470597A - Tuning indicator for radio receivers and the like : en
  • GB470415A - Improvements in or relating to dyeing or like treatment of textile fabrics : en
  • GB470591A - Improvements in the method of treating phosphates under conditions of incandescence : en
  • US2090364A - Deflector for locomotive exhaust nozzles : en
  • US2090535A - Process and apparatus for the production of seamless tubes : en
  • AU322336A - Process forthe treatment of tars and mineral oils containing paraffin : en
  • FR816913A - No-mount sole : en fr
  • GB470624A - Improvements in and relating to methods of producing zinc coatings : en
  • CA368083A - Relief printing plate : en fr
  • US2090155A - Machine for use in making boxes : en
  • DE649182C - Layered snowshoe with a metal outsole : de en
  • AU101783B2 - Improved method of and means for controlling the flow of water andother liquids : en
  • GB470714A - A new or improved goniometer : en
  • US2089990A - Receptor for invalids' beds : en
  • CA368118A - Glass feeding apparatus : en fr
  • CA368187A - Fire extinguisher valve : en fr
  • US2090162A - Pump and method of making the same : en
  • US2090493A - Keeper for doors : en
  • US2090292A - Traffic control system : en
  • US2090318A - Garment-shaping machine : en
  • FR816870A - Improvements to annealing boxes : en fr
  • US2089952A - Spare tire cover and wheel hub fitting : en
  • US2090272A - Thermal conversion of hydrocarbons : en
  • CA368137A - Buffing mechanism : en fr
  • CA368183A - Sterilizer : en fr
  • US2090509A - Floor covering and method of making same : en
  • CA368167A - Railway vehicle weighting apparatus : en fr
  • CA368070A - Tobacco preparing apparatus : en fr
  • USRE20472E - Tap-dancing shoe : en
  • FR816709A - Process for obtaining high chemical resistance layers inside vacuum tubes : en fr
  • DE649255C - Device for overcoming the dead center position of crank drives : de en
  • US2090124A - Sliding clasp fastener : en
  • US2090518A - Electrical switch gear : en
  • CA368104A - Tray unstacking and transferring mechanism : en fr
  • US2090018A - Container for viscous substances : en
  • US2090247A - Refrigerating apparatus : en
  • CA368108A - Refrigerating machine : en fr
  • US2090059A - Flexible mounting : en
  • US2090357A - Reverse movement stop device : en
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  • AU101753B2 - Electrical signal transmission systems : en
  • US2090305A - Sled : en
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  • FR816853A - Colorants for vat : en fr
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  • CA368134A - Pulverized fuel burner : en fr
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  • GB470557A - An adjustable shield for pneumatic picks and the like : en
  • FR816773A - Apparatus for ensuring the germination of seeds or other plant elements : en fr
  • GB470752A - Improvements in or relating to electrical oscillation generators : en
  • ES143618A1 - A procedure for the treatment of motor fuels. : en es
  • US2090274A - Grinding hard sintered carbide compositions : en
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  • US2090332A - Flickering signal light for trucks, etc. : en
  • CA368160A - Hollow wall and plate : en fr
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  • US2090192A - Means for degreasing and cleaning metal articles : en
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  • USD105647S - Design for a house coat or similar : en
  • FR816901A - Device to automatically prevent the lateral tipping of motorcycles : en fr
  • GB470524A - Improvements in or relating to apparatus for directly revealing the presence of objects which are invisible or obscure : en
  • US2090481A - Method of reforming worn rail joint bars : en
  • USD105655S - Design fob a bottle : en
  • AU366236A - Improved collapsible tent : en
  • GR6729B - ADVERTISING BOARD ON WHICH PRESENTS MOBILE ELECTRIC COLORED LETTERS BY ELECTRIC LAMPS NOT DISTINGUISHED EXTERNALLY. : el en
  • USD105656S - Design for a lantern : en
  • US2089961A - Refrigerating apparatus : en
  • GB470693A - Straw braid sewing machine : en
  • GB470709A - Improvements in or relating to packing or wrapping machines : en
  • GB470824A - Improvements in and relating to suction devices for artificial dentures and matricesfor making the same : en
  • FR816799A - Artillery equipment : en fr
  • US2090316A - Metal feeder for type casting machines : en
  • US2090552A - Window : en
  • USD105679S - Design for a coat : en
  • USD105689S - Design fob a plate ob similab abticle : en
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  • US2090188A - Measurement of pressures : en
  • US2090131A - Apparatus for conditioning paper : en
  • USD105693S - Design fob a dress : en
  • DE649170C - Tensioning device with winding spring for electrical lines : de en
  • US2090028A - Typographical machine : en
  • US2090073A - Method and apparatus for controlling heating systems : en
  • US2090464A - Implement retainer : en
  • US2090203A - Type-wheel printer : en
  • GB470541A - Improvements in or relating to means for reproducing cinematographic image records : en
  • DE649242C - Arrangement to achieve voltage equalization in three-wire systems using a rectifier : de en
  • DE649063C - Multi-head winding machine with moving winding heads : de en
  • DK53469C - Percussion fire pipes. : da en
  • US2090112A - Separating apparatus : en
  • US2090438A - Hydroxybenzofluorenones and process of making same : en
  • FR816905A - High frequency oscillation reception assembly : en fr
  • US2090392A - Suction device for chimneys : en
  • US2090585A - Autographic register : en
  • US2090264A - Automatic power transmitting mechanism : en
  • US2090500A - Method of knitting : en
  • USD105713S - Design for an electric toaster or : en
  • GB470385A - Improvements in processes for producing intaglio printing plates : en
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  • FR816848A - Device for the production of hot water and steam : en fr
  • US2089964A - Mining machine : en
  • US2090547A - Blanket : en
  • GB470599A - Improvements in Music-Typewriters : en
  • GB470745A - Improvements relating to electric starting mechanisms for internal combustion engines : en
  • US2090368A - Vending machine : en
  • US2090381A - Valve : en
  • DE649358C - X-ray system for the production of several quickly successive, for example cinematographic or stereoscopic recordings : de en
  • FR816983A - Process for the preparation of valuable complex organic compounds, usable in particular as additions to mixtures of hydrocarbons : en fr
  • FR816726A - New azo dyes : en fr
  • FR816753A - Single line roller skate : en fr
  • US2089935A - Radiator grille construction : en
  • GB470814A - Improvements in hydraulically operated injection moulding presses : en
  • US2090296A - Web joining mechanism : en
  • US2090256A - Tire retreading method and product : en
  • DE649020C - Cushioning, especially for motor vehicles : de en
  • FR816911A - Manufacturing process of incandescent lamp bases : en fr
  • DE649154C - Safety buckle : de en
  • GB470563A - Improvements in screw stopper closures for cans and the like : en
  • GB470660A - Improvements in magnetic circuits for dynamo electric machines : en
  • DE649387C - Device for water outlet valves : de en
  • DE649268C - Device for engraving : de en
  • AU101768B2 - Extensible electric cables : en
  • GR6726B - PHOTO FRAMES WITH SPECIAL SUPPORT. : el en
  • US2090068A - X-dioxo-j : en
  • US2090138A - Electrically operated siren : en
  • US2090156A - Ice melter for third rails : 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
  • US2090238A - Bell crank closure : en
  • US2090101A - Switch for signal means indicating contemplated turns : en
  • US2090017A - Stereocamera : en
  • US2090071A - Lay motion for looms : en
  • US2090400A - Convertible article of furniture : en
  • US2090391A - Method of and apparatus for examining eyes : en
  • GB470622A - Improvements in and relating to the production of artificial silk : en
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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
  • FR816785A - Improvements to electric shock devices : en fr
  • GB470756A - Improvements in and relating to lubricants and cutting oils : en
  • GR6759B - REFRIGERATOR, SAME FOR COOLING AND KEEPING FRESH (COOL) FOOD IN HOME USE. : el en
  • USRE20471E - Motor contooiung device : en
  • ES143780A1 - Improvements in the distillation of fatty acids. : en es
  • US2090377A - Vulcanizing press for rubber belts or the like : en
  • US2090554A - Mechanism for making tinsel fabric : en
  • US2090077A - Apparatus for testing materials : en
  • US2090414A - Poultry feed receptacle : en
  • GB470445A - Improvements in or relating to air separating and dressing devices for mills or like machines : en
  • DE649172C - Disinfectants : de en
  • GB470611A - Improvements relating to apparatus for promoting respiration : en
  • US2090411A - Clutch : en
  • US2090572A - Cream-milk can washing apparatus : en
  • NL41339C - : en
  • FR816824A - Gas filter : en fr
  • FR816879A - Improvements to swimming devices : en fr
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  • USD105710S - Design for a coffee mill : en
  • GB470682A - Improvements in furnaces for heat treatment in a gaseous atmosphere : en
  • US2090499A - Figure toy : en
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  • AU101763B2 - Improvements in electric fans : en
  • CA368090A - Hydrocarbon oil treatment : en fr
  • USRE20470E - Boll roofing fastener : en
  • US2089954A - Closure cap and method of making : en
  • US2090573A - Footwear : en
  • US2090589A - Counterbalance : en
  • CA368190A - Cream tempering method : en fr
  • CA368113A - Circuit breaker : en fr
  • AU101750B2 - Improvements in or relating to variable inductance devices : en
  • CA368084A - Cellulose ester solvent and composition : en fr
  • AU322236A - Process for obtaining pure paraffin : en
  • US2090532A - Device for delivering measured quantities of liquids : en
  • US2089945A - Process of producing ammonium nitrate and other fusible compounds : en
  • DE649306C - Motor vehicle for forwards and backwards travel : de en
  • AU101789B2 - Improvements in and relating to earthing devices for electrical conductors : en
  • DE649161C - Capacitor electrode for shortwave and ultra-shortwave therapy with a dielectric as a spacer : de en
  • AU269236A - Improvements in or relating to internal combustion engines comprising a rotary valve member having a chamber therein : en
  • CA368103A - Electric ironing machine shoe : en fr
  • CA368164A - Expanding auger : en fr
  • CA368139A - Parchment paper : en fr
  • DE649177C - Device for raising and lowering the upper feed rollers on full roller gates : de en
  • DE649096C - Procedure for running in galvanic tin flow baths : de en
  • USD105666S - Design for a game board : en
  • DE649214C - Switching mechanism for split key banks in cash registers or accounting machines : de en
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  • US2090054A - Electric current conversion discharge apparatus : en
  • US2090232A - Injection nozzle : en
  • CA368125A - Bundling apparatus : en fr
  • FR816833A - Improvements to water jets : en fr
  • USD105675S - Design for a lantern : en
  • US2090164A - Hammer : en
  • CA368135A - Vehicle wheel manufacture : en fr
  • FR816771A - Improvements to elastic suspension components : en fr
  • GB470564A - Improvements in the construction of ships and boats : en
  • GR6745B - AUTOMATIC PLASTIC AFTER BALYCOMETER. : el en
  • DK53466C - Photographic Developer. : da en
  • US2090079A - Gun mount : en
  • US2090236A - Bolt guard : en
  • AU266236A - Improvements in or relating to variable inductance devices : en
  • CA368147A - Lubricant : en fr
  • US2090355A - Coal mining apparatus : en
  • US2090548A - Trimming device : en
  • US2090171A - Telephone system : en
  • DE649266C - Spray system with suction of the paint mist : de en
  • US2090470A - Electrical receptacle : en
  • IE14582L - Calendering tubes : en
  • FR816923A - Improvements to molding machines : en fr
  • CA368101A - Can filling machine : en fr
  • IE14624L - Knitting machinery : en
  • CA368116A - Therapeutic helmet : en fr
  • USD105686S - Design for a dress : en
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  • FR816935A - Emergency brake for road motor vehicles : en fr
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  • USD105726S - Design for a feathered brooch : 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
  • 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
  • CA368085A - Hog dehairing apparatus : en fr
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  • US2090231A - Loose-leaf ring binder : en
  • DK53459C - Device for Crude Oil Engines for Spraying and Ignition of the Fuel. : da en
  • GR6737B - AUTOMATIC WATER PUMPING MACHINE. : el en
  • FR816705A - Further training in centrifugal scrubbers : en fr
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  • US2089977A - Faucet : en
  • US2090020A - Ignition synchronizer : en
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  • GB471088A - Non-magnetic steel alloy of high tenacity and yield point : en
  • FR816817A - Improvements to shielding devices for ignition components of internal combustion engines : en fr
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  • GB470478A - Improvements in or relating to means for adjusting the tension of springs : en
  • CA368140A - Glass tempering apparatus : en fr
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  • US2090148A - Nonrefillable bottle closure : en
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  • USD105650S - Design for a dress : en
  • US2089987A - Means for operating a repeating device : en
  • US2090034A - Fountain pen : en
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  • US2090409A - Amusement device : en
  • US2090563A - Excavator : en
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  • CA368071A - Hydrocarbon oil treatment : en fr
  • FR816965A - One-piece ball carrier for longitudinal or thrust bearing : en fr
  • GB470596A - Improvements in or relating to navigation aiding radio systems : en
  • FR816730A - Mixed formation lead-acid battery plate : en fr
  • FR816939A - Optical compensation device : en fr
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  • US2090426A - Egg holder : en
  • US2090379A - Dough twisting machine : en
  • US2090187A - Manufacture of starch : en
  • CA368100A - Telephone system : en fr
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  • US2090069A - Proportioning controller : en
  • US2090453A - Covered filter for vacuum cleaners : en
  • US2090575A - Motor : en
  • AU101788B2 - Improvements relating to fluid circulation in refrigerating systems : en
  • CA368162A - Bituminous paving material : en fr
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  • USD105703S - Design for a pistol grip lamp : en
  • US2090320A - Cocktail shaker : en
  • AU356636A - Boot stretching machine : en
  • AU315036A - Improvements relating too extyension ladders : en
  • CA368150A - Fuel distributor : en fr
  • FR816938A - Sugar cane mill : en fr
  • CA368072A - Hydrocarbon oil treatment : en fr
  • CA368129A - Card punch : en fr
  • US2090176A - Counter tray : en
  • AU322536A - Improvements in petrol pumps : en
  • CA368074A - Hydrocarbon oil treatment : en fr
  • US2089956A - Radio range course indicating device : en
  • CA368161A - Projectile : en fr
  • US2090293A - Highway road flare : en
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  • DE649209C - Conveyor frame with guide curves for vessel conveyor systems : de en
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  • CA368182A - Airplane landing gear : en fr
  • AU247636A - Electron-optical arrangement : en
  • US2090092A - Swinging ironing machine cover : en
  • US2090564A - Suspension for compasses and other instruments : en
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  • US2090447A - Sewing machine attachment : en
  • USD105705S - Design for a clock or similar article : en
  • USD105665S - Design for a concert piano : en
  • FR816834A - Continuous and automatic speed change power transmission device : en fr
  • GB470733A - Improvements in or relating to the electrolytic production of metals : en
  • GB470538A - Improvements in or relating to vehicle running gear for road vehicles : en
  • GB470679A - Apparatus for contact treatment of materials : en
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  • US2090245A - Distillation of hydrocarbon oils : en
  • US2090341A - Pecan huller : en
  • US2090545A - Well-point : en
  • US2090435A - Packing device : en
  • US2090289A - Centrifugal casting mold : en
  • GB470666A - Improvements in spectacles : 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
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  • DE649147C - Jug with milk container arranged on it : de en
  • US2090396A - Fixing composition and method of aftertreating dyed materials : en
  • FR816899A - Improvements to devices for transporting headgear, especially women's hats : en fr
  • US2090023A - Anthraquinone dyestuffs : en
  • US2090504A - Method and apparatus of heating hydrocarbon oils : en
  • GB470617A - Improvements in tradesmen's vehicles : en
  • US2090344A - Tractor : en
  • DE649363C - Catalog, price list or the like for goods compilations divided into product groups : de en
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  • IE14776L - Emulsion layers for colour photography : en
  • FR816790A - Method and device for fire protection for cinematographic apparatus : en fr
  • CA368119A - Tire manufacturing apparatus : en fr
  • GB470526A - An appliance for holding safety-razor blades during sharpening : en
  • US2090394A - Tars for use in road construction : en
  • FR816765A - Improvements to contact devices used in the electrical industry : en fr
  • FR816808A - Device for obtaining a clear telephone conversation in a noisy enclosure or hectic atmosphere : en fr
  • USD105683S - Design for a coat : en
  • US2090421A - Process of making concrete : en
  • GB470754A - Improvements in and relating to steam generating plant : en
  • US2090361A - Printing press : en
  • GB470594A - A new or improved machine for marking nuts and like articles : en
  • USD105648S - Design for a latch : en
  • US2090119A - Broaching lathe : en
  • DE649216C - Block storage : de en
  • DE649257C - Photographic lens shutter : de en
  • DE640823C - Venting extrusion press : de en
  • CA368146A - High molecular mixture separating process : en fr
  • FR816993A - Hydraulic control means intended in particular for aeronautics : en fr
  • FR816920A - Discharge tube with indirect cathode : en fr
  • GB470416A - Improvements in or relating to buttons : 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
  • 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
  • FR816878A - Pressurized gas distributor : en fr
  • FR816903A - Carburetor : en fr
  • US2089963A - Fluid seal : en
  • US2090370A - Clock casing : en
  • ES143789A1 - A procedure to deposit metals thermally. : en es
  • GB470712A - Improvements in and relating to sliding windows or doors : en
  • GB470689A - Improvements relating to fuel injection pumps for internal combustion engines : en
  • DE649272C - Device for setting the zero point in piezoelectric light control systems for sound film recorders : de en
  • DE649026C - Metal pipe and extrusion press with a mandrel that can be moved in relation to the ram : de en
  • US2090214A - Compressed air power unit : en
  • AU101766B2 - Process for obtaining pure paraffin : en
  • US2089960A - Refrigerating apparatus : en
  • US2090287A - Air conditioning apparatus and method : en
  • USD105664S - Design for a chair : en
  • US2089937A - Gas reaction apparatus : en
  • US2090418A - Method of treating material for separation : en
  • DE649226C - Electromagnetic vibration system, especially for loudspeakers : de en
  • FR816810A - Improvements to friction clutches, in particular to those for automobiles, or the like : en fr
  • FR816916A - Automatic livestock drinker : en fr
  • AU44636A - Improvements inthe construction of brackets for bridge lamps andthe like : en
  • FR816707A - Cooling air guiding device for rear engine vehicles : en fr
  • DE649198C - Accounting machine : de en
  • DE649215C - Holder for clamping flycatchers with glue tape : de en
  • GB470593A - Improvements in and relating to building blocks and slabs : en
  • DE649371C - Firing with a hood-like fuel degassing chamber installed above the grate : de en
  • GB471058A - Improvements relating to closet pans, slop sinks and other receptacles which are discharged by flushing : en
  • US2090376A - Adjustable back for seats and chairs : en
  • US2090179A - Car wheel : en
  • DK53448C - Procedure and Apparatus for Laying Submarine Cables. : da en
  • FR816962A - Universal coupling with crossed elements : en fr
  • DE649331C - Device for generating a beat current : de en
  • DE649393C - Loading device on trucks : de en
  • US2089967A - Method and apparatus for detecting flaws in metallic bodies : en
  • GB470503A - Esters of methacrylic acid and their manufacture : en
  • DE649270C - Circuit for telephone systems with main and sub-exchanges : de en
  • FR816757A - Tire improvements for vehicles : en fr
  • DE649125C - Method for the uninterrupted asynchronous starting of alternating current machines : de en
  • GB470585A - Improvements in extrusion moulding machines for the manufacture of pellets : en
  • GB470704A - Improvements in and relating to bolts and in the manufacture thereof : en
  • GB470731A - Improvements in or relating to vacuum cleaners : en
  • DE648311C - Process for the preparation of sucrose acids and their salts : de en
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  • US2090072A - Recovery of sulphur from sulphurous gases : en
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  • NL41321C - : en
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  • US2090116A - Machine for making sanitary napkins : en
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  • FR816751A - : fr
  • USD105674S - Design for a blouse : en
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  • US2090538A - Variable band coupling device for superheterodyne radio receivers : en
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  • NL41383C - : en
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  • AU200636A - Improved method of and means for controlling the flow of water andother liquids : en
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  • US2090451A - Manufacture of aluminium : en
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  • US2090441A - Device for illuminating lenticular film : en
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  • US2090528A - Method of forming and handling dipped formed articles : en
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  • US2090358A - Anesthetizing administering apparatus : en
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  • DK53441C - Apparatus for Separation of Salts and Impurities from Pipe Steam Generators Pipe System. : da en
  • FR816943A - Dynamic electron multiplier : en fr
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  • FR816780A - Autofocus process for cinematographic cameras : en fr
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  • US2090026A - Aerial lead for radio reception : en
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  • US2090105A - Corrosion resistant alloy : en
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  • GB470630A - An improved pneumatic hammer for piercing the tapping-holes of blast furnaces : en
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  • US2090222A - Radiator core : en
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  • US2090604A - Stove damper : en
  • US2090511A - Colloidized vat dye : en
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  • US2090006A - Electron discharge tube : en
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  • GB470665A - A new or improved toast rack : en
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  • US2090223A - Vehicle : en
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  • US2090398A - Stereo-refractor optical system : en
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  • US2090373A - Automatic charging means for centrifugal extractors : en
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  • US2090455A - Processing of lightweight aggregates : en
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  • US2090371A - Finger drying device : en
  • US2090428A - Stroke adjusting means for fuel injection devices and the like : en
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  • US2090113A - Trailer hitch : en
  • US2090136A - Counterbalancing mechanism : en
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  • GB470748A - Paper and method of making the same : en
  • FR816937A - Improvements relating to aeronautical propellers : en fr
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  • FR816954A - Process for producing hydrocarbons of interest from coal by destructive hydrogenation : en fr
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  • FR816964A - Disc clutch : en fr
  • GB470721A - Improvements in or relating to safety razors : en
  • US2090031A - Rock drill : en
  • DE649386C - Drain cock for fuel containers on motor vehicles : de en
  • US2090208A - Heat exchanger : en
  • FR816770A - Elastic suspension of engines, more particularly of aircraft : en fr
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  • US2090010A - Rotary inverter and rectifier : en
  • US2090098A - Glass resisting metal vapors : en
  • US2090265A - Automatic clutch : en
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  • FR816944A - Method and apparatus for determining amounts of suspended solids in liquids : en fr
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  • US2090036A - Retractable landing gear for aircraft : en
  • US2090569A - Hinge : en
  • USD105719S - Design for an autographic register : en
  • GB470779A - Method for separating iron oxides from ores containing them : en
  • AU500136A - Improvements in and connected with the regulation of S temperature of buildings : en
  • US2090578A - Colloidal mill : en
  • FR816865A - Molding and vulcanizing apparatus applicable in particular to the manufacture of pneumatic tires : en fr
  • FR816933A - Gas stove oven : en fr
  • USD105685S - Design for a coat : en
  • US2090052A - Aircraft : en
  • DE649382C - Carburetor : de en
  • US2090487A - Computing registering mechanism for liquid dispensing apparatus : en
  • US2090494A - Folding handrail : en
  • GB470510A - An electric smoothing iron with safety switching arrangement : en
  • GB470573A - Improvements in or relating to the stabilisation of animal and vegetable fats and oils : en
  • US2089962A - Process of and apparatus for treating fine filamentous threads : en
  • US2090226A - Whistling signal for fluid delivery hose : en
  • US2090271A - Abb conditioning apparatus : en
  • US2090085A - Container opener : en
  • USD105711S - Design for a textile fabric : en
  • US2090399A - Apparatus for closing boxes : en
  • US2089995A - Sport cap : en
  • CA368177A - Fluid material flow regulating apparatus : en fr
  • DE649089C - Process for converting multi-phase to single-phase alternating current of any frequency : de en
  • GB470609A - A cartridge-carrying belt for automatic firearms : en
  • FR816856A - Method and device for storing perishable liquids : en fr
  • DE649037C - Process for the fermentation of alcohol, in particular used as motor fuel : de en
  • DE649293C - Discharge tubes : de en
  • CA368105A - Pneumatic circulation dryer : en fr
  • FR816729A - Disinfection by means of gases, for example ozone of cereals intended for direct wet breadmaking : en fr
  • US2090412A - Combination brush : en
  • AU247436A - Television tube : en
  • FR816859A - New phthalocyanines of the benzene series : en fr
  • IE14343L - Rotary valve engines or pumps : en
  • US2090607A - Selective desensitizer : en
  • FR816774A - Locking system for nuts : en fr
  • US2089974A - Shoe rack : en
  • DE649218C - storage : de 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
  • AU101755B2 - Improvements inthe mounting ofthe idle rollers of belt conveyors : en
  • US2090009A - Vehicle body construction : en
  • US2090263A - Hydraulic fluid : en
  • US2090527A - Container : en
  • FR816902A - Tetrakisazo dyes and process for obtaining them : en fr
  • FR816752A - Torch working with aclool : en fr
  • GB470849A - Improvements in or relating to the manufacture of hard wax-or resin-like condensation products : en
  • DE649189C - Waste and overflow device for bathtubs, sinks, bidet basins and the like. like : de en
  • AU392936A - Improvements in or relating to safety razors : 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
  • FR816941A - Ceramic container for electric discharges : en fr
  • GB470672A - Improvements relating to mechanism for feeding and winding films : en
  • AU469336A - Improvements in or relating to storage batteries : en
  • AU532136A - Process and apparatus forthe production of gas of definite composition from fuels : en
  • FR816802A - Sliding and tilting window treatments : en fr
  • FR816898A - Advanced manufacturing process for hollow rubber objects : en fr
  • GB470623A - Improvements in and relating to television receivers : en
  • US2089946A - Machine for separating and feeding blanks : en
  • US2090128A - Dispenser : en
  • US2090378A - Table : en
  • US2090557A - Clamp : en
  • US2090076A - Garment : en
  • US2090262A - Automatic control means for machine tools : en
  • US2090579A - Seat construction : en
  • USD105662S - Design fob a tabi : en
  • DE649251C - Device for root irrigation : de en
  • US2090115A - Guard structure : en
  • US2090088A - Apparatus for communication systems : 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
  • CA368097A - Wrapping machine sealer for bread : en fr
  • DE649217C - Double row rolling bearing : de en
  • DE649305C - Automatic steering device for the rear axles of road vehicles, in particular of trailers behind trucks, which are arranged in a bogie : de en
  • AU318136A - Improvements in or relating to machines for turning and setting sole lipin the manufacture of boots and shoes : en
  • DK53464C - Paper product, consisting of several layers, and method of its manufacture. : da en
  • FR816837A - Filler tube for India ink or other liquids : en fr
  • FR816975A - Water skiing : en fr
  • GB470629A - Improvements in and relating to floating saddles for bicycles, motor-cycles and other vehicles : en
  • FR816888A - System controlling variations with maxima and minima of the water level in evaporative devices : en fr
  • GB470544A - Improvements in the lubrication of motor cars and like vehicles : en
  • USD105694S - Design for a dress : en
  • DE649179C - Process for the electrolytic production of pure aluminum : de en
  • GB470608A - Improvements in and relating to electrical condensers and electrodes therefor : en
  • DE649285C - Machine system for railway vehicles, especially railcars : de en
  • FR816995A - Improvements to hydraulic brakes, dynamometers and clutches : en fr
  • AU101791B2 - Improvements in and relating to feed and regulating devices for fuel injection engines : en
  • DE649288C - Connection of pockets filled with active mass with frame bars in electrical accumulators : de en
  • FR816897A - Improvements in apparatus for molding and adorning rubber articles : en fr
  • US2090459A - Motor vehicle : en
  • US2090526A - Circuit controlling device : en
  • GB470431A - Improvements in mountings for bearings for knife-edges : en
  • DE649013C - Disc or drum for power transmission : de en
  • US2090118A - Illuminated decorative device : en
  • US2090596A - Nitrogenous compounds : en
  • GB470673A - Improved pay or like envelopes : en
  • GB470476A - Improvements in corrugated metal sheets and in the manufacture thereof : en
  • DE649188C - Process for wastewater treatment : de en
  • GB470687A - Improvements relating to welted shoes and welting therefor : en
  • GB470759A - Improvements in or relating to time-controlled dispensing devices particularly for the supply of gas : en
  • FR816942A - Improvements to magnetic compasses : en fr
  • US2090227A - Cushion : en
  • US2090127A - Solenoid pump : en
  • US2089944A - Method of mining and apparatus therefor : en
  • US2090080A - Lay for looms : en
  • US2090605A - Damper : en
  • GB470531A - The manufacture of vat dyestuffs : en
  • DK53449C - Dispersion Transformer for Fluorescent Lighting. : da en
  • AU101797B2 - Boot stretching machine : en
  • FR816792A - Process for coating with a paper tube, cigarette paper type, chocolate sticks and machine automatically performing this process : en fr
  • FR816783A - Advanced training in cam drive mechanisms : en fr
  • FR816830A - Product imitating astrakhan : en fr
  • GB470697A - Improvements in or relating to seats : en
  • CA368086A - Metal article decorating method : en fr
  • FR816710A - New anthraquinone dyes : en fr
  • 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
  • FR816951A - Fuel injection device for internal combustion engines : en fr
  • DK53470C - Electric Ringing System for Residential Properties. : da en
  • DE649259C - Automatic exposure regulator for photographic cameras : de en
  • GB470446A - : en
  • US2090360A - Electrical condenser : en
  • DK53463C - Saw Blade Laying Tool. : da en
  • CA368149A - Container closure : en fr
  • US2090003A - Water heater : en
  • US2090311A - Reclining chair : en
  • FR816994A - Applying automatic closures to clothing : en fr
  • AU101776B2 - Improvements in petrol pumps : 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
  • DE649195C - Semi-automatic electric arc welding device : de en
  • DE649258C - Device for controlling the lens diaphragm of a photographic camera by means of an electric light meter : de en
  • GB470723A - Improvements in and relating to suction devices for supporting objects : en
  • FR816756A - Improvements to braun tubes : en fr
  • FR816735A - Elastic traction device for the heel for ski bindings : en fr
  • GB470850A - Improvements in respirators and the like : en
  • CA368132A - Pulverized fuel supplying system : en fr
  • USD105707S - Design for a building : en
  • DE649165C - Process for the preparation of esters of methacrylic acid with monohydric alcohols : de en
  • FR816784A - Further training in piston machines : en fr
  • US2089943A - Fluid valve : en
  • US2089996A - Brake construction : en
  • US2090129A - Package collector : en
  • AU360336A - Improvements in devices for dispensing syrups and like liquids : en
  • CA368069A - Metal working method : en fr
  • US2090465A - Oil ring for bearing lubrication : en
  • US2089978A - Machine for making fertilizer from garbage : en
  • AU101785B2 - Improved antiglare device : en
  • DK53454C - Procedure for tanning hides and skins. : da en
  • CA368115A - Air conditioning apparatus : en fr
  • FR816900A - Improvements made to ceramic materials : en fr
  • US2090608A - Gas-generating charge : en
  • US2090219A - Stocking and the like : en
  • AU542636A - Electromagnetic vibrating systems and apparatus : en
  • FR816781A - Billiard counter : en fr
  • DE649135C - AC switch with arc extinguishing by flowing and expanding steam : de en
  • US2089986A - Wheel with rubber-like tread and method of making same : en
  • DE649390C - Footwear sewing machine : de en
  • ES4985U - A tie rod (Machine-translation by Google Translate, not legally binding) : en es
  • DK53461C - Hydraulic Coupling. : da en
  • US2090568A - Method of oil burning : en
  • US2090207A - Control : 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
  • DE649286C - Internal combustion engine system with supercharging and electrical power transmission : de en
  • AU101804B2 - Improvements inthe application of luminous discharge tubes for illumination purposes : en
  • DE649234C - Process for the production of alkali peroxides : de en
  • AU101749B2 - Electron-optical arrangement : en
  • DK53471C - Ceramic Pulp or Binder. : da en
  • US2090290A - Road oil mixer and distributor : en
  • US2090315A - Radio tuning device : en
  • US2090014A - Tubing : en
  • US2090126A - Automatic fire extinguishing apparatus : en
  • USD105709S - Design foe a coffee mill : en
  • USD105684S - Design for a coat : en
  • CA368175A - Folding box : en fr
  • US2090243A - Plow : en
  • CA368077A - Electrical discharge device : en fr
  • US2090021A - Pile cutter : en
  • US2090550A - Adjustable lock : en
  • CA368110A - Welding electrode : en fr
  • US2090057A - Counter trough and guard : en
  • US2090093A - Hydraulic turbine : en
  • DE649380C - Rotary piston internal combustion engine : de en
  • DE649361C - Brake device for under- or overpressure brakes on vehicles : de en
  • FR816716A - Electron tube : en fr
  • NL41647C - : en
  • US2090087A - Speed indicating device : en
  • US2090606A - Variable speed transmission : en
  • CA368159A - Core thread making apparatus : en fr
  • AU101774B2 - Improvements in or relating to electrical resonators of the transmission line type : en
  • US2089968A - Electrical musical instrument : en
  • CA368148A - Sponge manufacture : en fr
  • AU380136A - Improvements in or relating to electrically operated fans : en
  • US2090044A - Alloys : en
  • DE649121C - Cable termination for electrical single or multi-core cables : de en
  • AU101794B2 - Improvements in or relating to high frequency electrical coupling systems : en
  • USD105660S - Design fob a curtain fabric : en
  • CA368156A - Bin bottom : en fr
  • NL41244C - : en
  • US2090278A - Sand blasting apparatus : en
  • US2090492A - Streamlined closure for rail cars : en
  • US2090587A - Filled bag sewing machine : en
  • US2090239A - Electric conduit and outlet channel : en
  • DE649245C - Process for the production of plastic masses from polysulphides and organic halogen compounds : de en
  • GB470502A - Improved adjustable arm or bracket for lamps and other articles : en
  • GB470612A - Method of treating plants and obtaining textile fibres therefrom : en
  • 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
  • AU101796B2 - Improvements in locks : en
  • FR816731A - Processes, devices and apparatus for the rational purification of waste oils : en fr
  • DE649193C - Electric motor drive for step transformers : de en
  • DE649247C - Process for making pieces of fine, roasted goods : de en
  • AU101801B2 - Gas burner : en
  • NL41489C - : en
  • US2090170A - Electric switch : en
  • AU458136A - Gas burner : en
  • US2090190A - Method of sweetening petroleum distillates : en
  • US2090103A - Record controlled and record making accounting machine : en
  • US2090122A - Electrical hot plate : en
  • US2089980A - Food preparing implement : en
  • US2090273A - Embalming device : en
  • US2090285A - Building tile : en
  • DE649145C - Cooling device for the coil heads of toothed runners of electrical machines : de en
  • FR816949A - Improvements to skis : en fr
  • GB470677A - Improvements in and relating to vacuum cleaners : en
  • US2089934A - Gear housing : en
  • US2090109A - Stabilized insecticide of plant origin : en
  • US2090556A - Potato and vegetable digging machine : en
  • AU101748B2 - Television tube : en
  • US2090011A - Musical instrument : en
  • US2090165A - Multiple service hair drier or the like : en
  • US2090472A - Process for the recovery of mercury from ore : en
  • AU278136A - Improved antiglare device : en
  • ES143772A1 - Fixing procedure, resistant to washing, of sizing and filling media. : en es
  • CA368082A - Saccharate manufacture : en fr
  • CA368154A - Hydrocarbon oil refining method : en fr
  • US2090405A - Means for purifying polluted liquids : en
  • US2090062A - Headlight for motor vehicles : en
  • AU101795B2 - An improved drill for orthopaedic surgery : en
  • US2090514A - Tank gauging device : en
  • CA368168A - Threshing machine : en fr
  • 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
  • GB470968A - Improvements in hair waving apparatus : en
  • GB470519A - Process for the manufacture of carbamide and formaldehyde products in presence of sulphonated amide derivatives, and products obtained : en
  • GB470685A - Improvements in or relating to electrical condensers : en
  • GB470771A - Improvements in and relating to control systems for regenerative braking of electricmotors : en
  • AU272236A - Improvements in or relating to high frequency electrical coupling systems : en
  • CA368166A - Cash register : en fr
  • US2090444A - Glass factory and improved furnace : en
  • US2090061A - Apparatus for producing shoe soles with tape attached : en
  • CA368102A - Tubular belt conveyer : en fr
  • US2089999A - Collapsible tool cabinet unit : en
  • USRE20467E - Sound reproducing apparatus : en
  • AU101781B2 - Improvements in and connected with the regulation of S temperature of buildings : en
  • CA368096A - Refrigerated wrapping machine sealer : en fr
  • CA368143A - Book end or support : en fr
  • FR816854A - Lenticular lattice film projection lenses : en fr
  • US2090244A - Rubber heel lift : en
  • FR816789A - New electric compensator for locating a noise or sound source in space : en fr
  • FR816912A - Token dispensing device : en fr
  • FR816776A - Improvements in processes and cameras : en fr
  • GB471050A - Apparatus for the stacking and sorting of pieces issuing from a machine : en
  • DE649022C - Direction indicators for vehicles of all kinds, especially for bicycles and motorcycles : de en
  • US2090483A - Key arch flooring : en
  • FR816762A - Process for the purification of magnesium and magnesium-based alloys : en fr
  • US2090333A - Method of making lubricating oil : en
  • US2090033A - Short wave discharge tube : en
  • US2090522A - Electrical control device : en
  • DE648859C - Process for the production of methacrylic acid esters : de en
  • CA368107A - Engine ignition system : en fr
  • GB470413A - Improvements in or relating to the etching of glass : en
  • US2090321A - Window construction : en
  • US2090022A - Machine for manufacturing pile fabric : en
  • GB470444A - Improvements in or relating to artificial tooth crowns, hollow facetted teeth, or the like : en
  • FR816738A - Articulated wall dryer : en fr
  • USD105715S - Design fob a textile fabric : en
  • GB470540A - Improvements in or relating to the extraction of heavy metals from phosphatic ores, slags, and like materials containing them : en
  • US2090007A - Manufacture of motor fuel : en
  • GB470551A - Improvements in and relating to machines for making supporting structures for the filaments of tubular electric incandescent lamps : en
  • GB470530A - Improvements in and relating to the preparation of iron-tanned leather : en
  • GB470843A - A process for treating seeds, bulbs, tubers and roots : en
  • DE649221C - Cylinder sieve machine for the production of cardboard or cardboard : de en
  • DE649367C - Coupling gear for vehicle brakes driven by means of friction wheels : de en
  • FR816804A - Removable body : en fr
  • GB470433A - Improvements in or relating to espagnolette fastenings : en
  • GB470514A - Improvements in electrical protective arrangements : en
  • GB470764A - Improvements in or relating to the manufacture of purified cellulose from cellulose pulps : en
  • FR816886A - Improvements in the manufacture of flywheels and similar articles from foundries : en fr
  • GB470598A - Improvements in and connected with machinery for making paper and like bags and the like : en
  • GB470566A - Apparatus for making persons and objects invisible : en
  • US2090270A - Apparatus for making maps from aerial photographs : en
  • US2090448A - Method and apparatus for closing the projecting ends of wrapping sleeves for cigars : en
  • US2090242A - Method of vulcanizing rubber : en
  • US2090284A - Sprinkler head : en
  • US2090045A - Negative holder for enlargers : en
  • US2090519A - Vacuum circuit interrupter : en
  • US2090194A - Sewage digestion : en
  • 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
  • US2090574A - Automatic burglar and fire alarm : en
  • US2090008A - Lubrication device : en
  • FR816887A - Further training provided in the establishment of mowers : en fr
  • DE649136C - AC switch with arc extinguishing by a flowing extinguishing agent : de en
  • US2090446A - Process for the production of magnesium sulphide : en
  • US2090161A - Governor for tractor engines : en
  • DE649082C - Process for the production of solid synthetic fibers from viscose : de en
  • CA368186A - Weatherstrip : en fr
  • DE649231C - Device for separating solid parts from liquids, in particular tea oils : de en
  • FR816800A - Shock absorber device : en fr
  • AU353836A - Improvements inthe mounting ofthe idle rollers of belt conveyors : en
  • US2090300A - Spring operated time switch : en
  • DE649144C - Process for the production of small dam sleeves for oil-filled cable systems : de en
  • USD105678S - Design for a piano : en
  • FR816872A - Mounting principle of rotary distributors for internal combustion and combustion engines : en fr
  • FR816791A - Hollowed and ventilated locking crucible or crucible for glass or other molten materials : en fr
  • US2090449A - Arrangement for securing of the bowl liner of cone crushers : en
  • US2090108A - Shoe rack : en
  • GB470589A - Improvements relating to barrows, carts or trucks : en
  • NL41413C - : en
  • US2090323A - Water heater : en
  • US2090331A - Ladder : en
  • US2090125A - Nut : 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
  • FR816919A - Improvements to grid-screen lamps intended for the generation and amplification of very high frequencies : en fr
  • GB470434A - Improvements in bubble tower apparatus : en
  • GB470590A - Improvements in and relating to electric switches in sealed containers : en
  • GB470674A - Improvements in and relating to wrappings for commodities : en
  • GB470715A - Improvements in the manufacture of soap : en
  • US2090081A - Hosiery fabric : en
  • US2090084A - Manufacture of wallboard : en
  • US2090380A - Coupling and connecter for electric conduits and outlet boxes : en
  • US2090389A - Photoprinting and developing apparatus : en
  • US2090408A - Mold coating : en
  • GB470825A - Improvements in or relating to the treatment of gases with adsorbent solids : en
  • US2090393A - Liquid fuel : en
  • DE649224C - Tennis racket : de en
  • DE649351C - Roller grate : de en
  • FR816883A - Method and device for continuing the machining of cast rings : en fr
  • GR6734B - METHOD OF CONSTRUCTION OF A SUITABLE COMPOSITION BASED ON PISSPHALT TO BE PAINTED AND PAVING ROADS, ROOFS, WALLS, MATERIALS : el en
  • GB470430A - Improvements in and relating to welded metal structures : en
  • FR816740A - Spark plug for internal combustion engines : en fr
  • GB470554A - Improvements in radio-activated alloys and the production thereof : en
  • GB470575A - Improvements in or relating to typewriters and like machines : en
  • US2090328A - Furnace : en
  • DE649128C - Process for the electrolytic production of alloys of alkaline earth metals with heavy metals : de en
  • FR816948A - Device allowing the installation of windows on all structures made of tubes : en fr
  • GB470680A - Apparatus for treating fluids : en
  • US2090096A - Forming die for intaglio printing machine plates : en
  • US2090595A - Process of preparing amido derivatives : en
  • DE649263C - Device for observing the work process in a sludge jet blower by means of light and sight glass : de en
  • FR816811A - Non-combustible fabric : en fr
  • GR6741B - FIRE EXTINGUISHER. : el en
  • AU101760B2 - Improvements in or relating to the heat treating of articles : en
  • US2090581A - Multiple plug gas cock : en
  • DE649326C - Sheet depositing device : de en
  • GB470506A - Improvements in safety switches for electrically heated appliances : en
  • GB470774A - Improvements in hydraulic couplings : en
  • US2090388A - Ore treatment : en
  • DE649301C - Gear for the purpose of putting a rod perpendicular to its longitudinal axis into forced vibrations : de en
  • FR816813A - Flying device : en fr
  • DE649115C - Ringing hourglass : de en
  • US2090591A - Fur hairing machine : en
  • FR816930A - Multi-way safety gas valve : en fr
  • GB470760A - Improvements relating to the manufacture of high frequency electric cables : en
  • US2090224A - Control apparatus : en
  • USD105717S - Design fob a combined compact : en
  • DE649368C - Method for receiving ultrashort waves with tubes in braking field circuit : de en
  • FR816927A - Carbon holder for electric motors : en fr
  • GB470703A - Process for the manufacture of phthalocyanines : en
  • USRE20473E - Ctjpola operation : en
  • DE649277C - Cover rail for letter folder u. Like., in which one and the same vertically movable button is used to tension and relax the clamping wires : de en
  • FR816885A - Process for preparing valuable hydrocarbons, in particular high boiling point oils, from asphaltic substances and by destructive catalytic hydrogenation : en fr
  • FR816893A - Improvements made to fasteners : en fr
  • FR816999A - Alternative press for warp knitting machines : en fr
  • GB470595A - Improvements relating to belt conveyors : en
  • US2090166A - Amusement device : en
  • US2090466A - Means for humidifying and drying air : en
  • US2090340A - Repeating firearm : en
  • GB470620A - Improvements in match containers or the like : en
  • IE14608L - Vehicle laminated springs : en
  • CA368075A - Rayon yarn : en fr
  • US2090431A - Pipe cutting apparatus : en
  • DK53440C - Liquid Evaporation Procedure. : da en
  • DK53451C - Device for Spraying Liquid in Air. : da en
  • DE649006C - Discharge tubes containing vapor, surrounded by an evacuated cover, in particular for emitting light beams : de en
  • GB470441A - : en
  • US2090416A - Refrigerating apparatus : en
  • FR816772A - Improvements made to the constitution of electrical contact members : en fr
  • FR816959A - Wetting, emulsifying, cleaning and washing agents : en fr
  • GR6727B - ARTICLE WATCHES. : el en