• US2220241A - Typewriting and like machine : en
  • US2220793A - Machine for cutting sugar cane and the like : en
  • US2220687A - Electric fence : en
  • USD123392S - Design for a clothes hanger : en
  • US2220124A - Degreasing : en
  • US2220129A - Dyeing of synthetic linear polyamide fibers : en
  • US2220832A - Fog light : en
  • US2220071A - Method and apparatus for making label units : en
  • US2220182A - Apparatus for preparing skelp for welding : en
  • USD123445S - Design for a wallpaper : en
  • DE698287C - Readiness control device for arc lamp headlights : de en
  • DK58134C - Device by Teeth for Ajlenedfældere. : da en
  • FI18677A - Sätt och anordning för reduktion av metalloxider, speciellt järnoxider, jämte sålunda framställd produkt : en fi
  • US2220451A - Composition : en
  • US2220538A - Pump : en
  • US2220229A - Pressure regulator : en
  • DE698272C - Process for the preparation of sulfonic acid salts : de en
  • DE698372C - Typewriter with line balancing device : de en
  • US2220786A - Self-serve and check by key lock : en
  • US2220768A - Cylindrical grinding machine : en
  • US2220148A - Combination lock : en
  • US2220418A - Vehicle : en
  • US2220120A - Universal joint for tubing : en
  • AU111816B2 - Improvements in or relating to scanning arrangement for television system : en
  • DE698392C - Method for drying thread rolls, in particular rayon rolls : de en
  • AU111779B2 - Improvements in and connected with means for generating charcoal gas : en
  • US2220455A - Amusement device : en
  • US2220060A - Closure member : en
  • US2220803A - Hosiery : en
  • US2220811A - Means for carrying out plucking operations : en
  • USD123430S - Design for a combined brush andi comb : en
  • CA392282A - Drafting tool : en fr
  • AU477239A - Improvements in or relating to boudoir caps andthe like : en
  • DE698216C - Rake cleaner for floodable weir power plants with a dam : de en
  • DE698246C - Device for supplying pressure-compressed or pressure-liquefied gases in internal combustion engines with mixture suction : de en
  • CA392358A - Radio noise suppressor : en fr
  • DE698434C - Full recordings for monitoring the exposure and development conditions for photographic and cinematographic image recordings : de en
  • AU446739A - Improvements in and connected with means for generating charcoal gas : en
  • DE698178C - Glass shape : de en
  • DE698327C - nes electric heater for radiators : de en
  • FI18840A - Elektrisk ånggenerator eller ångöverhettare : en fi
  • FI18878A - Suksiside : en fi
  • GB528761A - Improvements in or relating to the manufacture of ª‡-chloroacrylic acid esters : en
  • AU479239A - Improvements in conveyer mechanisms : en
  • US2220362A - Fruit basket packing device : en
  • US2220423A - Automatic telephone system : en
  • US2220298A - Luminaire : en
  • US2220530A - Snelling machine : en
  • US2220862A - Low-reflectance glass : en
  • US2220453A - Lens strap for ophthalmic mountings : en
  • US2220601A - Clothes fastener : en
  • DE698175C - Centrifugal switch acting in both directions of rotation with static contact device : de en
  • GB528724A - Improvements relating to machines for grinding or polishing lenses : en
  • US2220177A - Loud-speaker : en
  • US2220420A - Means for cooling machine parts : en
  • US2220619A - Process of separating hydrocarbon mixtures : en
  • US2220104A - Pulverizer : en
  • US2220244A - Liquid process duplicating machine and block-out means therefor : en
  • GB528794A - Improvements in calculating devices for direction finders : en
  • FI18748A - Device for gas masks : en fi
  • DE698413C - Polarizers and analyzers for driving with glare-free headlights : de en
  • US2220291A - Game and apparatus for playing the same : en
  • US2220738A - Attachment for blow torches : en
  • DE698363C - Injection internal combustion engine with one or more air reservoirs : de en
  • US2220378A - Micrometer : en
  • US2220597A - Hair receiver : en
  • US2220541A - Transmission gearing : en
  • US2220281A - Amplification system for crystal pickups and microphones : en
  • US2220630A - Means for controlling the draft in furnace flues : en
  • US2220322A - Filter : en
  • CA392333A - Cellulose material bleaching method : en fr
  • DE698185C - Mud sucker for swimming pools u. like : de en
  • US2220269A - Electrode means : en
  • US2220417A - Resilient wheel : en
  • AU111787B2 - Improvements in mercury arc converters : en
  • US2220410A - Typographical slug casting machine : en
  • US2220686A - Automatic control of internal combustion engines : en
  • US2220692A - Process of making ammonium mandelate : en
  • USD123404S - Design for a pen desk stand : en
  • DE698282C - Mobile circuit breaker : de en
  • GB528833A - Packaging methods and machines : en
  • GB528666A - Improvements in and relating to valve gear casings for internal combustion engines : en
  • US2220209A - Automatic water system : en
  • AU111776B2 - Improvements in or relating to glass to metal seals : en
  • CA392321A - Braided wire netting making machine : en fr
  • US2220109A - Aircraft sustaining rotor : en
  • US2220289A - Method of treating calcium sulphate : en
  • DE698436C - Device for transporting four-wheel strollers on stairs : de en
  • FI18826A - Pappersvikningsmaskin : en fi
  • FI18738A - Fertilization rate for the production of fast-growing preservatives with cellulosic salt under the protection of the phosphorus and the mixture : en fi
  • GB528899A - Improvements in or relating to ladders : en
  • US2220480A - Hose coupling : en
  • US2220720A - Flame arresting device : en
  • US2220293A - Varnish oil and method of treating same : en
  • US2220373A - Dark room for photographic purposes : en
  • US2220313A - Coat and trousers hanger : en
  • US2220805A - Treatment for animal fiber : en
  • GB528878A - Improvements in and relating to electric motors : en
  • DE698427C - Pressure regulator with a large adjustment range : de en
  • DE698251C - Temperature regulator for milk heater : de en
  • DE698426C - Method and device for testing the humidity of fresh air which is intended for ventilating a room with a different temperature : de en
  • FI18692A - Medels en i fordonets drivhjul anordnad motordriven frihjulsnav med bakåttrampningsbroms : en fi
  • GB528877A - Improvements in or relating to suspension means for the wheels of cycles : en
  • GB528701A - Improvements in or relating to photometers : en
  • FI18768A - Gasoline engine gas mixture heater : en fi
  • US2220788A - Method and apparatus for investigating subterranean strata by means of electromagnetic measurements : en
  • FI18819A - Combined ditch and small groove : en fi
  • GB528624A - Improvements in or relating to luminous indicators for numerals and allied signs : en
  • GB528772A - Improved mechanical connectors of the cone-grip type for overhead electrical conductors : en
  • US2220302A - Trolling planer : en
  • US2220857A - Volute spring and a method of making same : en
  • GB528683A - Improvements in or relating to the washing of tins : en
  • GB528842A - Portable traffic control apparatus : en
  • US2220550A - Power-driven conveyer : en
  • US2220159A - Price computing mechanism : en
  • US2220774A - Ceramic material : en
  • US2220207A - Control device for a printing light : en
  • US2220390A - Apparatus for manufacture of cardboard and like boxes : en
  • US2220435A - Automatic phonograph : en
  • FI18810A - Självbärande luftkabel för fjärrsignalering, telegrafi och telefon : en fi
  • US2220189A - Index stand : en
  • US2220396A - Metallized acid polyazo dyes : en
  • US2220706A - Multiple unit filter : en
  • FI18758A - Plate or mirror supports and supports : en fi
  • DE698240C - Mine safety lamp with firedamp indicator : de en
  • US2220335A - Self-closing hinge apparatus : en
  • US2220856A - Process for rendering textiles water-repellent and products therefrom : en
  • US2220310A - Container for automobile license certificates : en
  • US2220088A - Reed type voice frequency generator : en
  • US2220472A - Heavy duty scraper : en
  • FI18681A - Julgransfot : en fi
  • US2220130A - Locking mechanism : en
  • US2220295A - Continuous absorption refrigeration : en
  • US2220370A - Drum for smoothing surfaces : en
  • US2220459A - Device for inserting necks in box bodies : en
  • US2220874A - Method for the manufacture of containers : en
  • FI18771A - Skärvals för långdskärning av banor av papper, Papp, glashinnor o. dyl. : en fi
  • DE698276C - Automatic tensioning device for overhead lines of electric railways : de en
  • FI18832A - Attaching the fitting to the knife sheath : en fi
  • GB528793A - Improvements in and relating to electric transformers : en
  • US2220175A - Newspaper and magazine vending machine : en
  • FI18676A - Förfaringssätt for rening av natriumhydroxidlutar : en fi
  • US2220237A - Well cleaner : en
  • US2220292A - Ski holder adapted for motor cars : en
  • GB528658A - Improvements in and relating to water tube steam boilers : en
  • DE698357C - Bomb drop device with automatic adjustment of the lead angle : de en
  • GB528828A - Improvements in luminescent materials : en
  • USD123409S - Design for a double vanity handbag : en
  • US2220510A - Hot water bottle : en
  • USD123381S - Design for a foijding seat : en
  • USD123391S - Design for a clothes hanger : en
  • GB528746A - Improvements in or relating to the production of gas-expanded rubber and rubber-likematerials : en
  • CA392302A - Colour photography : en fr
  • FI18756A - Anordning and förfaringssätt for the handling of such or liquidation : en fi
  • US2220408A - Ring : en
  • US2220655A - Power control unit : en
  • US2220596A - Panel : en
  • GB528769A - Improvements in or relating to percussive tools : en
  • US2220606A - Wood panel : en
  • DE698213C - Device for loading trough conveyors with an endless driver conveyor chain from a bunker or the like that can be moved along the conveyor trough. : de en
  • US2220491A - Type soldering and aligning machine : en
  • US2220737A - Apparatus for detecting web alignement : en
  • US2220691A - Conversion of hydrocarbon oils : en
  • US2220270A - Process and apparatus for perforating sheet materials : en
  • US2220824A - Means for water cooling of brake drums : en
  • DE698428C - Internal combustion engine control : de en
  • GB528854A - Improvements relating to ignition magnetos : en
  • FI18744A - Förfaringssätt framställning av Cellulosa : en fi
  • GB528806A - Improvements in and relating to thermionic valve circuits such as multivibrators and the like : en
  • DE698298C - Device for the mutual locking of shut-off devices : de en
  • DE698415C - Device for the smoldering of fuels in externally heated horizontal chamber ovens : de en
  • DE698182C - Razor blade holder : de en
  • CA392284A - Retainer for toy construction blocks : en fr
  • USD123403S - Design fob a lamp : en
  • US2220499A - Carrier for ledger cards : en
  • US2220618A - Illuminated sign : en
  • US2220747A - Electric valve converting system : en
  • GB528673A - Improvements in or relating to knitted fabrics and the manufacture thereof : en
  • DE698190C - Two-stroke internal combustion engine : de en
  • GB528808A - Improvements in or relating to lift increasing devices for aircraft : en
  • DE698419C - Cutting machine for bacon, fish, meat, potatoes or the like. : de en
  • GB528827A - Improvements in or relating to gas lighting devices for use in gas heated liquid heaters : en
  • GB528896A - Improvements in or relating to electric circuit interrupters having arc extinguishing arrangements : en
  • DE698314C - Tobacco cutting machine : de en
  • US2220413A - Cooling system with automatic circulation of the cooling mixture : en
  • US2220685A - Revertible emulsions with high solids content : en
  • US2220755A - Electric valve circuit : en
  • FI18724A - Anordning vid sjöminor : en fi
  • FI18767A - Fiskdrag : en fi
  • CA392322A - Self-aligning bearing : en fr
  • US2220447A - Refrigerating apparatus : en
  • DE698335C - Ventilation nozzle for double-walled insulating vessels made of porcelain : de en
  • DE698349C - Pan mill : de en
  • GB528669A - Apparatus for measuring and indicating the rate of flow of a stream of fluid : en
  • USD123384S - Design for a lace : en
  • AU111780B2 - Improved apparatus and process for moulding cement flushing units andthe like : en
  • DE698365C - : de en
  • US2220283A - Rotary duplicator : en
  • US2220573A - Method for preparing thickeners for printing textile fabrics : en
  • US2220101A - Cushion underframe : en
  • GB528809A - Improvements relating to vehicle suspension systems : en
  • CA392400A - Metallic deposit forming apparatus : en fr
  • DE698354C - Rudder arrangement for watercraft with full stern, especially barges : de en
  • DE698294C - Centrifugal casting mold : de en
  • DK58133C - Coupling device by a Twin Arrow. : da en
  • US2220870A - Dispensing display case : en
  • FI18805A - Anordning för tyning av sopkärl i behållare, särskilt sopvagnar : en fi
  • GB528659A - Improved racking machine for beer and the like : en
  • GB528893A - Improvements in or relating to circuits for the amplification and/or frequency-changing of electric osciallations : en
  • US2220145A - Headlight : en
  • US2220440A - Ignition system for internal combustion engines : en
  • DE698417C - Cathode ray tubes for recording television pictures or oscillograms : de en
  • GR9326B - CONTRACTING BLINDING CURTAIN PHYSARMONIC. : el en
  • AU111805B2 - Improvements in or relating to amplifiers : en
  • US2220830A - Container for viscous liquids : en
  • FI18792A - Liquid meter : en fi
  • US2220200A - Separation of oil from wax : en
  • US2220093A - Clothes wringer : en
  • US2220424A - Electric switch : en
  • GB528757A - Improvements in and relating to electrical resistances : en
  • US2220223A - Device for removing plaster casts or bandages : en
  • US2220329A - Hair-waving pad : en
  • DE666481C - Flat weft knitting machine for producing a double or finishing edge on socks : de en
  • CA392340A - Grinding machine table mechanism : en fr
  • DE698317C - Device with edge sensor for the automatic adjustment of the parts to be regulated after the run of the fabric web edges, especially in fabric tensioning machines : de en
  • FI18860A - Förfaringssätt för galvanisk plätering av draghäktorgan : en fi
  • DE698341C - Projector for picture tapes : de en
  • GB528803A - Improvements in or relating to photographic sensitizing dyestuffs : en
  • US2220395A - Means for securing a float to a fishing rod : en
  • US2220764A - Two-stage internal combustion engine : en
  • GB528664A - Projection apparatus for projecting images of transparent or opaque objects and script on a screen : en
  • GB528753A - Improvements in magnetos : en
  • US2220608A - Collapsible boat : en
  • US2220712A - Saw-tooth wave generator : en
  • US2220758A - Margin stencil for polishing fingernails : en
  • US2220326A - Holder for grinding drills : en
  • USD123461S - Design for a dress : en
  • US2220520A - Heater : en
  • US2220790A - Process for the production of alkali metal phosphates : en
  • US2220724A - Treble piano action for accordions : en
  • US2220552A - Lawn edger : en
  • US2220694A - Collapsible reel : en
  • DE698256C - Switching device for direction indicators of motor vehicles : de en
  • GB528807A - Improvements in and relating to rotary hoeing, cultivating and like agricultural machines : en
  • FI18752A - Fertilizers for the filtering of fram- and bakkappor hos skodon samt förfaringssätt för dess beredning : en fi
  • US2220620A - Brake control unit for fluidoperated brakes : en
  • US2220314A - Tool for connecting service and main lines : en
  • US2220621A - Printing ink : en
  • GB528823A - Improvements in and relating to grain shocker : en
  • GR9327B - METHOD OF MAKING SHOES BETWEEN COMPENSATED WOODEN ROOFS. : el en
  • FI18815A - Balancing arrangements within the capsule : en fi
  • GB528709A - Improvements relating to bearings : en
  • GB528656A - Lubricating device for aircraft engines : en
  • US2220151A - Spot welding timer : en
  • US2220547A - Vehicle body : en
  • US2220351A - Container : en
  • US2220402A - Printing colors and process of : en
  • FI18842A - Anordning for the installation and operation of the gas from the high-voltage gas or by the other means of heat recovery, särskilt elektriska smältugnar : en fi
  • GB528708A - Improvements in and relating to electrical wiring systems : en
  • GB528785A - Improvements in or relating to continuous cigarette and like rod forming apparatus : en
  • DE698204C - Exercise device for training armored divers : de en
  • FI18684A - Ligninmaterial : en fi
  • US2220211A - Polymerization of unsaturated compounds : en
  • US2220235A - Machine for operating on shoe bottoms : en
  • US2220406A - Necktie pressing machine : en
  • GB528866A - Improvements in and relating to clips for fountain pens and the like : en
  • DE698259C - Fountain pen with a tube bag clamped in the holder shaft : de en
  • GB528835A - Improvements in or relating to fire engines : en
  • DE698237C - Level indicator for bulk goods : de en
  • DE698316C - Composite excavator with one each in a vertical and a horizontal direction : de en
  • FI18872A - Circulation arrangements for cellulosics etc. : en fi
  • GB528704A - Improvements in or relating to methods and means for skiving : en
  • US2220398A - Agricultural device : en
  • US2220377A - Carbon paper holder : en
  • US2220433A - Glass wool apparatus : en
  • US2220670A - Road making and the like : en
  • US2220769A - Time delay control system : en
  • US2220846A - Process for converting cellulose materials by means of hydrochloric acid : en
  • USD123421S - Design for a camp stove : en
  • GB528728A - Improvements in or relating to the soling of footwear : en
  • FI18773A - Platta för byggnadsändamål : en fi
  • US2220800A - Shaving implement : en
  • US2220742A - Glass-to-metal seal : en
  • US2220174A - Speed changing device : en
  • US2220549A - Art of transferring preformed films to various bases : en
  • US2220208A - Ear phone : en
  • US2220478A - Display sign : en
  • DE698425C - Device for keeping the ratio of the heating and cooling times constant in thermostats with a contact thermometer that controls the heating current : de en
  • US2220325A - Transmission mechanism : en
  • FI18856A - Rangefinder : en fi
  • USD123443S - Design for a lawn sprinkler : en
  • DE698438C - Labeling machine : de en
  • GB528721A - Improvements in and relating to high speed spindles : en
  • US2220115A - Photoelectric device : en
  • US2220646A - Direction signal : en
  • US2220473A - Heavy duty scraper : en
  • USD123465S - Design fob a dress : en
  • US2220809A - Automatic adjuster for brakes : en
  • GB528671A - Improvements relating to calenders for the production of sheets of caoutchouc and similar materials : en
  • DE698217C - AC machine with multiple parallel shaft windings : de en
  • DE698407C - : de en
  • GB528638A - Improvements in thermostatic controlling apparatus for cookers : en
  • FI18735A - Procedure for removing phosphoric acid from iron ores : en fi
  • GB528836A - Improvements in or relating to seats : en
  • GB528843A - Electric fuel pumps : en
  • GB528887A - Improvements in or relating to work rotating devices for grinding machines and other machine tools : en
  • US2220518A - Emergency wheel : en
  • FI18823A - Spets fme smeissor resp. höstörar o.dyl. : en fi
  • GB528800A - Improvements relating to electrical regulators : en
  • FI18807A - For the purpose of filtering and sterilizing the filter system : en fi
  • DE698370C - Process for the continuous fractionation of tar : de en
  • DE698199C - Container for ultraviolet irradiation of liquids : de en
  • US2220799A - Coupling : en
  • DE698202C - Fuel delivery system : de en
  • FI18794A - Log lifting and pulling scissors : en fi
  • DE698383C - Switch-on device for electrical discharge vessels with glow cathodes : de en
  • FI18753A - Sorting for the first sentence and type : en fi
  • US2220632A - Bag holder : en
  • GB528775A - Turning-gear for internal combustion engines : en
  • GB528848A - Improvements in or relating to the purification of combustible gases : en
  • GB528864A - Improvements relating to brushes : en
  • AU485839A - Dressing for flyblown sheep : en
  • GB528681A - Improvements in and relating to autographic registers : en
  • US2220471A - Grinding machine : en
  • GB528644A - Fixed bearing with cap member for the pivot of a clockwork axle : en
  • DE698180C - Process for the production of tubes or profiled rods from glassy silica : de en
  • DE698431C - Copy milling machine, especially for replicating metal propeller blades : de en
  • GB528770A - Improvements in or relating to fluid pressure remote control systems : en
  • DE698328C - : de en
  • DE698285C - Method for wrapping the prismatic stator core of electric motors with a rolled sheet metal jacket which is provided with window-like openings for the stator core to pass through : de en
  • FI18686A - Plant protection product : en fi
  • CA392318A - Electric wave filter : en fr
  • GB528682A - Improvements in electric immersion heaters : en
  • US2220218A - Spring plankless truck : en
  • US2220708A - Typewriter supply roll for typewriting check and cash book entries : en
  • US2220753A - Striping ruler for fur coats and the like : en
  • DE698439C - Weft thread carrier for shot guard shooters : de en
  • US2220842A - Continuous sheet duplicate form : en
  • GB528798A - Portable x-ray equipment : en
  • GB528811A - Improvements in electric discharge lamps comprising luminescent materials : en
  • AU488339A - Improved method of marking rubber-covered electrical conductors : en
  • AU483839A - Improvements in or relating tothe control of fading in radio communication systems : en
  • US2220401A - Device for cleaning surfaces : en
  • GB528660A - Improved apparatus for washing and brushing hose pipes : en
  • DE692408C - Copy wheel : de en
  • DE698408C - n of aluminum conductors : de en
  • AU1768344A - improvements in belt fasteners : en
  • US2220598A - Monoazo-dyestuffs insoluble in water : en
  • US2220647A - Means for shaping and truing the operating surfaces of grinding wheels used for form grinding : en
  • DE698377C - Actuating device for pressurized gas drives electrical apparatus, such as circuit breakers, disconnectors, etc. : de en
  • GB528778A - Improvements in or relating to vacuum cleaners : en
  • DE698219C - Film guiding device : de en
  • FI18679A - Upphängningsanordning för shlor, konsoler och dylikt : en fi
  • US2220634A - Steering device for skis or coasting devices : en
  • USD123399S - Combined work bench and cabinet or similar article : en
  • GB528665A - Improvements relating to fibre container bodies impervious to fluids : en
  • US2220559A - Trap hook : en
  • US2220577A - Spring cushion construction : en
  • US2220202A - Tail gate operating mechanism : en
  • GB528723A - Improvements relating to facing plates for masonry : en
  • DE698224C - Device for deriving coils wound in tape reels with axially displaceable drums : de en
  • DK58125C - Control device for AC inverters. : da en
  • AU111788B2 - Improvements in wideband amplifiers : en
  • CA392344A - Fibrous insulating board for sidings : en fr
  • AU111818B2 - Distance measuring : en
  • AU111786B2 - Improvements in or relating to devices for feeding an alternatingcurrent load from a direct-current supply : en
  • GB528791A - Improvements in and relating to grading machines : en
  • US2220078A - Closed thermal system : en
  • USD123410S - Spoon or other article op flatware : en
  • US2220079A - Air cushion fitting for thermal systems : en
  • US2220158A - Electrical connector : en
  • CA392314A - Footwear manufacture : en fr
  • DE698411C - : de en
  • US2220262A - Illuminated picture frame : en
  • US2220391A - Brush : en
  • US2220639A - Glass for motor vehicle lights : en
  • AU478539A - Improvements in or relating to absorption or adsorption refrigerating apparatus : en
  • US2220610A - Motion picture reel mounting : en
  • US2220645A - Oil pump for popcorn machines : en
  • US2220789A - Safety pole clip : en
  • CA392387A - Aqueous solution or emulsion : en fr
  • US2220794A - Miter and framing tool : en
  • DE698416C - Staple : de en
  • DE698388C - welding machines : de en
  • FI18776A - Anordning vid blankningsborste : en fi
  • FI18790A - Fertilization for the use of tantalum and niobium : en fi
  • CA392308A - Circuit breaker reclosing system : en fr
  • US2220554A - Device for recovering cores from boreholes : en
  • US2220430A - Catalytic dehydration of alcohols : en
  • US2220409A - Bag closure device : en
  • US2220675A - Rotameter : en
  • DE698283C - Contact, especially for switching on high currents and for permanent exposure to high currents : de en
  • GB528768A - Improvements in or relating to filtering or straining devices for use in lubricatingapparatus : en
  • GB528816A - Improvements in or relating to printing devices for weighing machines : en
  • AU484239A - Method of and apparatus for forming glassware : en
  • DK58129C - Multiplier tube, in which the electron current flows in zigzag over a number of planar, equal secondary emission electrodes. : da en
  • GB528716A - Weighing-scales for indicating percentages : en
  • US2220688A - Arrangement for receiving television images : en
  • US2220648A - Profile generating mechanism : en
  • US2220652A - Manufacture of cartridge cases from aluminum alloys : en
  • US2220138A - Purification of hydrocarbons : en
  • US2220099A - Sulphonic acids : en
  • US2220117A - Method of making cadmium sulphide pigments : en
  • US2220514A - Engine mounting : en
  • US2220247A - Burner for hydrocarbon gases : en
  • AU111833B2 - Process and catalyst forthe conversion of hydrocarbons : en
  • CA392355A - Electron discharge device : en fr
  • USD123379S - Design for a scooter : en
  • AU485139A - Distance measuring : en
  • DE1493169U - : de en
  • US2220146A - Device and method for charging siphon bottles : en
  • US2220778A - Suction nozzle : en
  • US2220363A - Cuticle guard : en
  • US2220587A - Apparatus for and method of air distribution : en
  • US2220644A - Ward-leonard drive for gun turrets : en
  • US2220782A - Valve seat : en
  • AU111793B2 - Improvements in and relating to flexible electrical connection fittings : en
  • GB528739A - Improved implement for treating sports ground surfaces : en
  • US2220113A - Mixed triaryl phosphites : en
  • US2220142A - Base bag : en
  • US2220438A - Noodle cutting machine : en
  • FI18746A - Förfaringssätt for torkning av Cellulosa, trämassa, Papp, luftgenomsläppligt papper och dylika produkter : en fi
  • AU484739A - Improvements in or relating to scanning arrangement for television system : en
  • CA392296A - Electric discharge lamp device : en fr
  • FI18760A - Hopfällbart bord : en fi
  • US2220651A - Pressure responsive instrument : en
  • US2220825A - Fastener : en
  • FI18762A - Combined rhythm and line : en fi
  • GB528649A - Discharge regulator for petroleum separators : en
  • GB528755A - Improvements in or relating to insulated electric conductors : en
  • CA392303A - Photographic safelight : en fr
  • US2220107A - Apparatus for soldering and striping can seams : en
  • US2220654A - Chuck : en
  • GB528668A - Bracelet fastener : en
  • US2220697A - Treating hydrocarbon distillates : en
  • USD123377S - Design for, a velocipede frame : en
  • GB528804A - Improvements in or relating to the manufacture of viscose artificial silk : en
  • FI18786A - Fertilization requirements for impregnation of the master, master and type : en fi
  • USD123386S - Design for a scarf or similar article : en
  • DE698270C - Method and device for removing pressurized wet goods produced on printing tables and placing them in a dryer : de en
  • US2220676A - Method and apparatus fob refining : en
  • USD123427S - Brandrup . airplane : en
  • DE698193C - Circumferential, self-adjusting slip ring seal : de en
  • FI18714A - Device on threaded pins : en fi
  • CA392280A - Power transforming device : en fr
  • GB528657A - Process for the manufacture of slabs and like articles formed of cement mixed with fibrous or granular substances : en
  • US2220132A - Locking mechanism : en
  • US2220578A - Humidifying apparatus : en
  • DE698301C - Hurricane lantern for vehicles : de en
  • GB528629A - Improvements in and relating to electric fuses : en
  • US2220766A - Door control device : en
  • FI18824A - Anläggning för att främja växters, blommors och frukters tillväxt i kall jord : en fi
  • US2220163A - Electric brake : en
  • US2220734A - Method and means for obtaining accurate occlusion : en
  • US2220807A - Knitting machine loop adjusting means : en
  • US2220311A - Center support for roller awnings : en
  • FI18780A - Electric metal conducting lamp with mains electrode, electrically grounded and rechargeable lamps : en fi
  • US2220488A - Sound record and apparatus therefor : en
  • DE698281C - Front panel of an insert provided with installation devices (e.g. push button switches or signal lamps) : de en
  • DE698181C - Hair clip : de en
  • US2220749A - Coffee roaster and method of roasting coffee : en
  • US2220381A - Packaging mechanism : en
  • US2220098A - Frequency variation response circuit : en
  • FI18775A - Needle field needle shaft control device for spinning or preparation machines : en fi
  • DE698278C - Process for the production of a non-circular electrical conductor : de en
  • US2220166A - Method of making shearing plates : en
  • US2220290A - Resinous material : en
  • US2220812A - Loom shuttle : en
  • GB528763A - Improvements in sound record bands : en
  • GB528776A - Improvements in safety locking devices for the covers and lids of machine casings and pans : en
  • US2220457A - Gyroscopic navigational instru : en
  • US2220756A - Guide mechanism for rolling shutters and the like : en
  • DE698324C - Control device for electric motors, especially for hoists with an electrically driven turning control roller : de en
  • DK58139C - Transport device at oil press plant. : da en
  • FI18695A - Shoe sole : en fi
  • US2220341A - Color treatment of concrete : en
  • US2220770A - Apparatus for controlling the apparent resistance of an amplifier anode : en
  • CA392292A - Electric lamp : en fr
  • US2220133A - Faceplate : en
  • US2220456A - Retractable undercarriage : en
  • US2220602A - Device for logarithmic measurement of voltages : en
  • GB528744A - Improvements in and connected with furnace grates : en
  • DE698200C - Process for the detoxification of residues from the production of castor oil (castor meal) : de en
  • GB528732A - Paper machine presses : en
  • GB528719A - Improvements relating to means for preventing over-heating of the film gate in cinematographic projection apparatus : en
  • FI18817A - Planting hoe : en fi
  • GB528720A - Improvements in stapling tools of the pliers type : en
  • FI18791A - The corrosion rate for the corrosion of the corrosion of the aluminum alloys with ca. 3 and 16%, for a total of ca. 6.5% magnesium : en fi
  • GB528670A - Improvements in hydraulic motors : en
  • US2220464A - Alloy : en
  • US2220502A - Comparing mechanism for tabulators : en
  • GB528662A - Improvements in and relating to appliances for increasing audibility of sounds for partially deaf people : en
  • US2220252A - Method of preparing planographic plates : en
  • US2220498A - Printing telegraph transmitting mechanism : en
  • FI18721A - Förfaringssätt för behandling av silkespapper och liknande pappersarter : en fi
  • GB528873A - Improvements in combinations of sources of radiation with luminescent materials : en
  • FI18693A - Anordning vid åror : en fi
  • FI18789A - Refining conditions for the processing of mineral metallurgical by-products or by other materials in the Netherlands by means of tantalum and niab : en fi
  • FI18839A - Förfaringssätt framställning av natriumhydroxid : en fi
  • GB528672A - Improvements in or relating to water-softening apparatus : en
  • US2220563A - Measuring apparatus : en
  • US2220858A - Liquid fuel burning apparatus : en
  • US2220197A - Transmission : en
  • USD123425S - Willmarth santling machine : en
  • USD123426S - Combination pressing and steaming iron : en
  • US2220127A - Air filter : en
  • US2220444A - Expansion joint : en
  • US2220432A - Differential driving mechanism : en
  • US2220476A - Washing machine : en
  • US2220806A - Way cleaner : en
  • US2220320A - Apparatus for shelling nuts : en
  • US2220448A - Method of making concrete blocks and the like : en
  • FI18727A - Skjutvapen med gastrycksladdning : en fi
  • DE698375C - Retensioning device for catenary lines : de en
  • DE698206C - coupled projectile tensioned by a barrel spring : de en
  • DE698362C - Excavator tooth, the foremost cutting edge of which consists of one piece with the tooth body : de en
  • US2220449A - Cigarette and cigar holder : en
  • US2220716A - Rail and flange lubricator : en
  • US2220869A - Driving belt : en
  • USD123434S - Design fob a display stand ob the like : en
  • GB528637A - Improved method of and means for building poured concrete and like walls : en
  • US2220668A - Weighing scale : en
  • AU111828B2 - Wave translation systems : en
  • USD123440S - Design fob a combined sachet ball, perfume bottle, and holders there- for : en
  • DE698214C - Sluice with rotary valve on air conveyors for bulk goods : de en
  • GB528634A - Detector mechanism for indicating the depletion or substantial depletion of weft in looms : en
  • US2220245A - Blowpipe : en
  • US2220662A - Two-stroke internal combustion engine : en
  • US2220077A - Abc tube system : en
  • US2220840A - Velocity modulation device : en
  • AU122588B2 - Ultra short wave communication system : en
  • DE698232C - Fast regulator with enlarged control range : de en
  • GB528876A - Improvements relating to the cleaning of pipe systems and other supply, storage, and conduction systems for drink liquids : en
  • US2220726A - Refrigerating apparatus : en
  • USD123452S - Design for a wallpaper : en
  • FI18866A - Grain dryer : en fi
  • FI18868A - Anordning vid diffusöranläggningar speciellt inom sulfatcellulosaindustrin : en fi
  • US2220318A - Receptacle cover : en
  • GB528790A - Improvements in or relating to electric selective signal-responsive devices : en
  • DE698443C - The use of steels with 1 to 3% copper, 3 to 5% nickel or cobalt and less than 0.15% carbon : de en
  • US2220306A - Governor : en
  • US2220684A - Mixer : en
  • DE698215C - Pneumatic main station : de en
  • GB528850A - Improvements in the purification of gelatine : en
  • DE698441C - Device for separating liquids from gases, in particular water from steam : de en
  • US2220727A - Hand abrading tool : en
  • DE698345C - Self-tightening piston seal consisting of two rings with different strength or sliding properties : de en
  • US2220421A - Drinking fountain : en
  • USD123464S - Design for a dress or similar article : en
  • DE698326C - tension shocks with an approximate rectangular shape : de en
  • DE698222C - Bell valve for shutting off gas lines : de en
  • DE698254C - Developing device for film strips : de en
  • DE698306C - Self-releasing push-button switch, especially tariff monitor : de en
  • FI18802A - Särskilt för lanthushåll avsedd vagn med låg lasthöjd : en fi
  • USD123429S - Dickman deck of cards : en
  • CA392305A - Photographic reversal process : en fr
  • CA392330A - Cigar binder rolling construction : en fr
  • CA392403A - Gear for radial engines : en fr
  • CA392363A - Superheterodyne radio receiver : en fr
  • AU111830B2 - Improvements in or relating to thread tensioning devices for sewing machines : en
  • US2220403A - Apparatus for production of artificial filaments : en
  • AU506739A - Improved hotwater supplying unit : en
  • AU111807B2 - Improvements in or relating to tubular heat exchange apparatus applicable to economizers for steam generators : en
  • US2220357A - Synthetical production of liquid hydrocarbons from carbon monoxide and hydrogen : en
  • CA392328A - Photographic film : en fr
  • AU111775B2 - Improvements in or relating to seals for lead-in conductors : en
  • AU111772B2 - Improvements in or relating to scouring or polishing tools : en
  • CA392377A - Tying ribbon production : en fr
  • US2220369A - Refuse burner : en
  • US2220586A - Power reverse gear : en
  • GB528730A - Improvements in method and apparatus for forming metal layers : en
  • AU111815B2 - Improvements in and relating to aquatic amusement apparatus : en
  • DE698274C - Process for the preparation of quaternary scopolamine salts : de en
  • AU115071B2 - Attachment for collapsible tubular containers : en
  • GB528860A - Improvements in thermionic valve circuits : en
  • AU479739A - The production of metals from amalgams : en
  • DE698369C - Process for the preparation of molecular compounds of 1-phenyl-2-methyl-3, 4-cyclotetramethylene pyrazolone (5) : de en
  • CA392329A - Cigar machine feeding device : en fr
  • DE698371C - Paper carriage switching device for typewriters or the like. : de en
  • FI18685A - Ditch plow Jalas lifting and lowering device : en fi
  • US2220059A - Process for reducing corrosion by ammoniacal solutions of inorganic salts and new composition of reduced corrosiveness : en
  • US2220416A - Pan lifter : en
  • USD123419S - Design fob a siphon : en
  • USD123459S - Design fob a deess : en
  • US2220230A - Unwinding machine : en
  • US2220305A - Sound reproducer : en
  • US2220564A - Clutch : en
  • US2220813A - Electromagnetic remote control device : en
  • US2220839A - Electrical discharge device : en
  • AU1533944A - Apparatus for controlling the delivery of milk from milking machine releasers and the like : en
  • CA392366A - Organic compound production : en fr
  • CA392349A - Dynamic amplifier : en fr
  • CA392300A - Electric discharge lamp device : en fr
  • AU122576B2 - Apparatus for controlling the delivery of milk from milking machine releasers and the like : en
  • AU111801B2 - The production of metals from amalgams : en
  • CA392341A - Crankshaft grinding machine : en fr
  • US2220240A - Beet topping machine : en
  • US2220354A - Magazine wrench : en
  • FI18711A - Förfaringssätt for framställning av skiktformiga produkter av träfaner och sålunda framställda venerprodukter : en fi
  • US2220091A - Conversion of hydrocarbon products : en
  • DE698334C - Darkening device for window or other light openings : de en
  • CA392289A - Resin dispersing method : en fr
  • GB528713A - Gas-heated apparatus for heating water and other liquids : en
  • US2220551A - Apparatus for starting an electric spark : en
  • DE698252C - Device for the artificial production of ice flowers, frost or the like. On shop windows, showcases, advertising walls or the like. To increase the advertising effect : de en
  • DE698399C - Damping device for engaging the clutch of motor vehicles : de en
  • US2220460A - Bonding of rubber to metal : en
  • US2220680A - Head puller : en
  • US2220689A - Oscillatory circuits : en
  • GB528802A - Improvements in or relating to area measuring machines : en
  • US2220642A - Safety catch for wrist watch straps : en
  • FI18793A - Harrow : en fi
  • US2220397A - Metallized acid polyazo dyes : en
  • US2220627A - Apparatus for treating fabric : en
  • US2220615A - Electric transformer structure : en
  • DE698409C - Mouthpiece for vacuum cleaner : de en
  • US2220468A - Hinge mounting device : en
  • US2220600A - Apparatus for steeping cellulose : en
  • FI18875A - Office vacuum cleaner : en fi
  • US2220780A - Dyeing spindle : en
  • US2220083A - Alloy : en
  • US2220771A - Sealing device : en
  • DE698412C - rear reflector for bicycles and motorcycles : de en
  • US2220193A - Method for aerating cement and the like : en
  • US2220064A - Venetian blind : en
  • FI18674A - Fire tube for baking oven : en fi
  • FI18850A - Device in a hydraulic crane : en fi
  • GB528814A - Improvements in and relating to valves : en
  • US2220477A - Seal for meter cabinets : en
  • GB528871A - Improvements in or relating to carpet sweepers : en
  • GB528636A - An improved removable spacing device for supporting internal shuttering for poured concrete and like hollow walls : en
  • FI18716A - Kartongförpackning : en fi
  • US2220683A - Mixer : en
  • FI18853A - Barkningsanordning : en fi
  • DE698171C - Arrangement for generating, amplifying or receiving ultra-high frequency electromagnetic vibrations : de en
  • DE698347C - Reversible multiple steel holder (turret head) for machine tools, especially lathes : de en
  • FI18749A - Diaphragm, automatically controlled by the valve valve : en fi
  • DE698231C - especially corner box for busbars : de en
  • GB528789A - Means for determining the rate of change of current in a d.c. electric circuit : en
  • GB528817A - Improvements in or relating to radio antenna : en
  • GB528642A - Improvements in and relating to collars for personal wear : en
  • GB528801A - Improvements in or relating to cathode ray tubes and to deflection systems therefor : en
  • USD123447S - Design for a dress : en
  • FI18757A - Butter dispenser : en fi
  • FI18764A - Cash register machine : en fi
  • US2220482A - Prefabricated bathroom : en
  • DE698292C - Device for feeding rubber threads to circular knitting machines : de en
  • DE698249C - Device for the production of rings, discs and similar workpieces from bushes or bolts : de en
  • DE698192C - Heavy oil combustion turbine : de en
  • AU1765744A - Improvements in looseleaf binders : en
  • CA392279A - Manicure shield : en fr
  • US2220253A - Railway car : en
  • US2220067A - Machine for applying belt fasteners : en
  • DE698406C - Welding torch tip attachment : de en
  • US2220517A - Clutch control for braking flywheels : en
  • FI18871A - Loose water box : en fi
  • US2220273A - Fastener : en
  • US2220526A - Heliographic printing machine : en
  • AU111781B2 - Improved combined change-over and automatic mixture control valve for producer gas installations on liquid fuel engines : en
  • FI18778A - Isolation screen for slut smärtsäkringar : en fi
  • DE698404C - Temp trough to compensate for the water level differences created by the incoming or outgoing ship : de en
  • CA392298A - Electric lamp : en fr
  • USD123436S - Design for a puppet animal figure : en
  • CA392274A - Loose grain loader : en fr
  • AU111829B2 - Dressing for flyblown sheep : en
  • AU111832B2 - Improved method of marking rubber-covered electrical conductors : en
  • CA392402A - Coffee filtering vessel : en fr
  • AU503739A - Improved combined change-over and automatic mixture control valve for producer gas installations on liquid fuel engines : en
  • DE698297C - Detachable coupling for bumpers : de en
  • US2220242A - Duplicator : en
  • DE698166C - Index in the form of a folder : de en
  • DK58135C - Procedure for electrolytic polishing of iron, cobalt, nickel or chromium as well as alloys with these metals. : da en
  • CA392287A - Mould for plastic materials : en fr
  • US2220751A - Torsional vibration dampener : en
  • US2220234A - Fishing rod holder : en
  • US2220775A - Ceramic material : en
  • US2220656A - Prelift device for hangar doors : en
  • GB528754A - Improvements in or relating to woodworkers' cramps : en
  • US2220172A - Tension regulator : en
  • US2220501A - Refrigerator structure and corner construction therefor : en
  • US2220076A - Collapsible box and method of making same : en
  • US2220196A - Speed and power changing device : en
  • US2220412A - Refractory and method of making same : en
  • US2220466A - Liquid dispensing receptacle : en
  • DE698379C - DC compound motor for systems with frequently occurring sudden white load changes : de en
  • AU111809B2 - Improvements inthe method of and apparatus for cleaning lubricant receptacles andthe like : en
  • US2220358A - Fishline float : en
  • AU533439A - Improved looseleaf binder and protective removable cover for books : en
  • AU483739A - Improvements relating to high voltage supply circuits for television systems : en
  • US2220299A - Fire extinguishing apparatus : en
  • US2220801A - Salts of ergotocin and process of producing them : en
  • DE698394C - Device for rubbing fingers on an e : de en
  • CA392315A - Ground rod : en fr
  • DE698177C - Electric crossover made of partial filters with several blocking and pass areas : de en
  • DE698424C - Device for automatically keeping constant the quantity ratio of two gases intended for mixing : de en
  • CA392295A - Gaseous electric discharge lamp device : en fr
  • CA392361A - Battery operated radio apparatus : en fr
  • AU111777B2 - Improvements in or relating to electric switches : en
  • US2220626A - Phonograph : en
  • US2220484A - Railway signaling apparatus : en
  • DE698290C - Manufacture of manganese pigments : de en
  • USD123435S - Design for a toy piano : en
  • US2220366A - Line adjuster : en
  • US2220307A - Lubricating oils and method of producing same : en
  • US2220508A - Improving the wash-fastness of sizes with aminomethylamide derivatives : en
  • US2220515A - Pilot light assembly : en
  • USD123405S - Design foe a bottle opener : en
  • US2220568A - Christmas tree ornament : en
  • USD123422S - Cosmetic container or similar article : en
  • US2220239A - Fire escape : en
  • US2220677A - Machine for refining paper stock : en
  • USRE21614E - Piano fall-board : en
  • US2220082A - Spraying and dusting machine : en
  • US2220347A - Automatic stack type air filter : en
  • US2220367A - Bread wrapping machine : en
  • FI18830A - Membrane plane screen : en fi
  • USD123402S - Design for a cup dispensing cabinet : en
  • US2220389A - Collimator : en
  • FI18799A - The method of application of this Regulation does not apply to vegetable fiber : en fi
  • USD123411S - Design for a display stand : en
  • FI18788A - Refining conditions for the extraction of tantalum and non-mineral matter or metallurgical by-products : en fi
  • FI18733A - The method of manufacture of the roofing sheets and the coating mass used for the manufacture : en fi
  • DE698307C - Regulation of power distribution, power flows and frequency (speed) in single or multi-phase AC networks or network connections : de en
  • DE698361C - Tube dryer with separator inside the drying tube : de en
  • DE698433C - Method for avoiding bead-like seams : de en
  • DE698302C - Automatic hydraulic device for locking gear balancers, especially for motor vehicles : de en
  • DE698169C - Compression refrigeration machine : de en
  • GB528743A - Improvements in or relating to regulating valves, primarily intended for use with heating radiators : en
  • GB528796A - Improvements relating to light-polarizing devices : en
  • CA392336A - Froth flotation machine : en fr
  • US2220436A - Adjustable door type partition for conveyances and compartments : en
  • FI18854A - A mixture of materials for making and repairing the soles of soles and for impregnating a fabric, felt or the like : en fi
  • GB528727A - Improvements in or relating to carding engines : en
  • US2220265A - Liquid process duplicating machine and block-out means therefor : en
  • US2220743A - Control means : en
  • US2220834A - Phenolic triamines : en
  • DE698229C - Line separation point for electrical lines : de en
  • FI18863A - Värmeöverledningsanordning : en fi
  • FI18870A - For the purposes of this Regulation, the total number of sulphite cellulosic derivatives : en fi
  • GB528711A - Improvements connected with the making of clinch nuts or rivet bushes : en
  • FI18796A - Thermostatic ordering : en fi
  • US2220192A - Illuminating means for pianos or the like : en
  • DE698296C - Calculating machine with printing mechanism : de en
  • GB528690A - Improvements in or relating to electrical signal storage equipment : en
  • FI18689A - Packing case : en fi
  • FI18755A - Electrical power supply and power supply for the operation of the brand : en fi
  • GB528853A - Improvements in releasing and locking mechanisms for driving shafts, particularly adapted for value stamping machines : en
  • US2220376A - Extractor : en
  • GB528652A - Improvements in or relating to blowpipe burners : en
  • FI18728A - Skidbindning : en fi
  • FI18743A - Maturation arrangements for fiber-optic pulp-based pulp with lignocellulosic material : en fi
  • FI18720A - Restrictions on the use of cellulose and cardboard pulp : en fi
  • GB528797A - Improvements in door and like locks, particularly for motor vehicles : en
  • GB528818A - Improvements in or relating to electron multipliers : en
  • DE698329C - Device for adjusting the amount of gas consumed to ensure constant heat delivery : de en
  • DE698289C - chanical forces : de en
  • DE698201C - Auxiliary power plant glider : de en
  • US2220605A - Measuring and dispensing device : en
  • US2220649A - Tool for tightening and buckling belts and straps : en
  • US2220300A - Apparatus for and a method of duplicating : en
  • USD123416S - Design for a scoreboard : en
  • US2220579A - Method of making boiler tubes and the like : en
  • US2220798A - Power control system for hydraulic presses : en
  • US2220617A - Hygienic stand : en
  • US2220287A - Voltolization process and products thereof : en
  • US2220268A - Machine tool : en
  • US2220483A - Typewriting machine : en
  • FI18806A - Grain dryer cabinet emptying hatch device : en fi
  • DE698323C - Electrical contact with resilient contact fingers attached to a contact basket : de en
  • FI18874A - Anordning vid valsar, som sammanpressas med hjälp av fjädertryck : en fi
  • FI18827A - Derogation and anchoring for the chemical treatment of cellulose fibers : en fi
  • US2220821A - Pump plunger : en
  • DE698339C - Marked photographic tone writing : de en
  • US2220383A - Metallurgical flux and method of producing it : en
  • DE698167C - Device for obtaining stamp impressions that are difficult to imitate : de en
  • DE698261C - For hurling asphyxiating, nebulizing or poisonous gases and as a flamethrower, telescopic telescopic tube : de en
  • DE698295C - shifted conveyor wagon : de en
  • DK58138C - Packaging for cheeses and method of packaging cheeses in such packages. : da en
  • US2220173A - Valve gear for reciprocating engines : en
  • US2220612A - Vehicle direction indicator : en
  • DE698223C - Arrangement of a safety rail next to the removal bar, which can be displaced in parallel : de en
  • US2220323A - Electrically operated window : en
  • FI18829A - Anordning vid diffusörer : en fi
  • FI18705A - Method for preparation of B- (p-oxyphenyl) -isopropylmethylamine : en fi
  • DE698330C - Process for opening up fresh or dry sedge and fescue grasses : de en
  • FI18877A - Procedure and apparatus for making fluff yarns : en fi
  • US2220214A - Bracket clamp : en
  • USD123393S - Design for a clothes hanger : en
  • FI18835A - Skutttills lutningsanordning för tuber och and and dylika behållare : en fi
  • GB528691A - Improvements in or relating to the manufacture of dihalogenobutanes : en
  • GB528626A - Automatic regulator for arc furnaces : en
  • DE698387C - Electrically heated boiling water storage tank with a steam outlet pipe leading to the outside and a temperature regulator arranged in it, influenced by the cold water supply : de en
  • DE698267C - Process for the pretreatment of mortar plaster surfaces before applying glue paints : de en
  • GB528820A - Improvements in or relating to grid structures for electron discharge tubes : en
  • GB528838A - Improvements in resilient supports for mounting electronic valves or tubes in electric apparatus : en
  • IE15949L - Luminescent material : en
  • US2220168A - Coin collection apparatus : en
  • US2220375A - Rotary steam engine : en
  • DE698308C - Vehicle headlights with a two-part cover ring : de en
  • DE698286C - Method for aligning stand or runner plates for electrical machines : de en
  • FI18754A - Ring box mechanism : en fi
  • US2220717A - Journal bearing structure : en
  • US2220591A - Bored-in lock : en
  • DE697708C - Electromagnetically operated indicator : de en
  • US2220275A - Spray producer : en
  • DE698241C - Method and device for determining gluten in flours or meal : de en
  • DE698269C - Device for interchangeable connection of laundry items : de en
  • DE698338C - Device for determining the wheel pressure of vehicles, in particular aircraft : de en
  • DE698305C - Circuit for three-phase motors braked with direct current : de en
  • FI18751A - Anordning vid lås : en fi
  • AU111813B2 - Improvements in or relating tothe control of fading in radio communication systems : en
  • US2220123A - Color photographic process : en
  • USD123431S - Design for a watch bracelet or the like : en
  • US2220100A - Means for indicating failures in an automotive lighting system : en
  • AU394139A - Improvements in and relating to flexible electrical connection fittings : en
  • CA392343A - Photographic transfer machine : en fr
  • USD123380S - By entors : en
  • US2220607A - Cigar lighter for automotive vehicles : en
  • US2220723A - Lubrication : en
  • US2220344A - Piston ring : en
  • FI18730A - It is possible to use a thermoplastic material : en fi
  • US2220346A - Valve handle : en
  • US2220513A - Differential : en
  • USD123414S - Design foe, a puppet doll : en
  • FI18715A - Method of drying artificial intestines made of animal fibers : en fi
  • GB528787A - Improvements in and relating to carriers for articles comprising flange portions : en
  • DE698322C - Changeable network : de en
  • FI18811A - Apparat förångning av bränsle : en fi
  • DE698218C - Manufacture of dyes of the phthalocyanine series : de en
  • US2220725A - X-eay apparatus : en
  • US2220284A - Wheel and method of making it : en
  • DE698304C - Process for the production of cement roof tiles with a colored surface to achieve camouflage effects : de en
  • FI18707A - The method used for lubrication y.m. to regenerate oils : en fi
  • GB528773A - Improvements in or relating to rivets : en
  • US2220544A - Weighing mechanism : en
  • US2220278A - Damping mechanism for lithographic presses : en
  • US2220545A - Method of welding thermoplastic materials : en
  • US2220866A - Exhaust silencer : en
  • US2220505A - Growth control : en
  • US2220427A - Burglar alarm system : en
  • US2220781A - Knitted fabric : en
  • US2220179A - Rail joint : en
  • US2220331A - Remedy for infection by cocci and process of manufacturing it : en
  • US2220750A - Manufacture of siliceous bodies : en
  • US2220864A - Fuel distributing device : en
  • GB528748A - Improvements in or relating to the treatment of aluminium and aluminium base alloy surfaces : en
  • DK58137C - Device by Windows. : da en
  • GB528654A - An improved protective device for use in connexion with glazed windows and the like : en
  • AU377340A - Attachment for collapsible tubular containers : en
  • DK58130C - Apparatus for Television or Oscillography. : da en
  • US2220590A - Adjusting knob : en
  • US2220860A - Film structure and method of preparation : en
  • DE698172C - Airspace insulated concentric high frequency cable : de en
  • US2220315A - Control mechanism : en
  • FI18772A - Anordning för anbringande av ett likformigt överdrag på en i rörelse befintlig bana, särskilt en pappersbana : en fi
  • US2220474A - Photographic statistical machine : en
  • DE698374C - Pressurized fluid handbrake : de en
  • DK58126C - Luminescent Material for Electric Discharge Containers. : da en
  • GB528799A - Improvements in and relating to seats for vehicles : en
  • US2220719A - Animated display method and means : en
  • AU111825B2 - An improved box or case : en
  • US2220204A - Heel roughing machine : en
  • US2220722A - Slipper : en
  • US2220426A - Method of treating cellulose fibers : en
  • AU478639A - Improvements in and relating tothe manufacture of conduits for electrical conductors andthe like : en
  • CA392334A - Check-controlled vending machine : en fr
  • US2220140A - Abrasive sheet material : en
  • US2220695A - Refrigeration apparatus : en
  • USD123387S - De sign fob a scarf ok similar article : en
  • USD123412S - Design fob a display stand fob peb- fume ob the like : en
  • US2220666A - Animal stall : en
  • US2220372A - Juice extractor : en
  • US2220732A - Transformer core and method of making the same : en
  • GB528889A - Process for obtaining a peptonic extract of meat : en
  • DE698196C - Process for one-sided coating of iron or similar sheet metal with tin : de en
  • US2220681A - Nonaqueous drilling fluids : en
  • US2220623A - Cyclopentano-phenanthrene compounds and method of producing same : en
  • USD123462S - Design fob a sheet material dispenser : en
  • US2220136A - End stop for thermoplastic fasteners : en
  • USRE21620E - Temperature control system : en
  • SE100182C1 - : en sv
  • DE698176C - Relays, especially for telephone systems : de en
  • US2220089A - Gaseous discharge tube : en
  • US2220102A - Apparatus for preparing flatwork for ironing : en
  • US2220659A - Irrigation checking implement : en
  • CA392375A - High pressure closure : en fr
  • US2220165A - Noise reducing system : en
  • US2220183A - Impulse direction finder : en
  • US2220374A - Respirator : en
  • AU484339A - Improvements in and relating to aquatic amusement apparatus : en
  • US2220225A - Piano construction : en
  • US2220319A - Receptacle cover : en
  • CA392268A - Water shoe : en fr
  • US2220540A - Method and machine for separating materials : en
  • US2220757A - Tube drawing nib mount : en
  • CA392383A - Multi-conductor signalling cable : en fr
  • US2220703A - Process of casting metal, mold, therefor, and method of making same : en
  • CA392276A - Electric switch indexing mechanism : en fr
  • GB528781A - Improvements in and relating to the manufacture of articles consisting wholly or partly of perforated rubber sheet : en
  • AU122601B2 - Improvements in amplifiers for audio frequencies, and method of deriving feedback voltages, useful for making sound records andother purposes : en
  • AU1564944A - Improvements in or relating to an irrigating or spraying apparatus : en
  • AU111804B2 - Improvements in and relating to sprinklers : en
  • US2220086A - Iodized hydroxy derivatives of : en
  • US2220562A - Filing device : en
  • US2220458A - Juice extractor or like article : en
  • DE698205C - Hardware, especially for mountain boots : de en
  • DE698273C - Process for the preparation of amino compounds : de en
  • CA392392A - Automobile loading device : en fr
  • US2220804A - Method of treating cellulosic fibrous materials : en
  • DE698211C - Fastening device for snowshoes with a removable plate : de en
  • GB528822A - Improvements relating to chairs or other articles of furniture : en
  • FI18774A - Förfaringssätt for handling of paper, board and paperboard : en fi
  • FI18859A - Släpräfsa : en fi
  • US2220674A - Mouth prop : en
  • USD123451S - Design for a wallpaper : en
  • USD123466S - Combined luggage handle and attachment plates : en
  • FI18761A - Anordning för avbarkning av trädstammar, stockändar och dylikt : en fi
  • GB528692A - Method of treating cacao beans : en
  • GB528885A - Improvements in friction plates for clutches and brakes : en
  • GB528693A - Improvements in and relating to the production of compositions comprising zein : en
  • GB528628A - Improvements relating to rotor bearings : en
  • GB528890A - Improvements in or relating to water circulating means for boilers : en
  • FI18704A - Sät attvinna svaveldioxid ur gasblandningar : en fi
  • CA392320A - Glass wool packing : en fr
  • US2220261A - Conversion of carbon monoxide with hydrogen : en
  • AU487339A - Improvements in or relating to thread tensioning devices for sewing machines : en
  • US2220164A - Device for producing vibrations : en
  • CA392373A - Intermittent gas-lift control : en fr
  • US2220249A - Gelatin band shifting and tightening means for duplicating machines : en
  • US2220429A - Glare shield for automobiles, buses, etc. : en
  • FI18723A - Förstärkning för av trä eller dylikt lätt byggnadsmaterial tillverkade flygmaskinsdelar och sätt att fastlimma den härvid använda förstärkningen av gummi samt bindesmedel härför : en fi
  • CA392310A - Vapour electric tube : en fr
  • CA392271A - Drive for weeders : en fr
  • CA392350A - Radio receiving system amplifier : en fr
  • CA392278A - Shoe inner sole : en fr
  • US2220485A - Fruit and vegetable grater : en
  • US2220633A - Needle holster : en
  • AU486339A - Improvements in or relating to temperature Responsive variable reactances : en
  • CA392327A - Electric blasting initiator : en fr
  • US2220170A - Valve : en
  • US2220710A - Combination humidifier and filter : en
  • US2220328A - Vent structure : en
  • US2220831A - Refrigerating apparatus : en
  • US2220730A - Curtain rod holder : en
  • US2220795A - Method for cracking hydrocarbons : en
  • US2220303A - Cathode ray tube arrangement : en
  • AU446139A - Improvements relating toa method of producing a fibre can body and apparatus for carrying out thesame : en
  • CA392311A - Compressor capacity controlling apparatus : en fr
  • US2220144A - Fluid responsive device : en
  • DE698401C - Suspension for bicycles, especially for motorcycles : de en
  • US2220463A - Change-speed or selective gearing : en
  • US2220838A - Waste disposal apparatus : en
  • US2220603A - Hydrocarbon burner : en
  • DE698208C - Procedure for remote measurement of rotational speeds : de en
  • FI18769A - Trumupphettningsapparat för mjölk och andra vätskor : en fi
  • GB528898A - Improvements in or relating to coin testing devices : en
  • AU521139A - Improvements relating to apparatus for refining, disintegrating or like treatment of materials by wet processes : en
  • US2220836A - Knee appliance : en
  • US2220350A - Sound reproducing system for musical instruments : en
  • US2220195A - Power driven tool : en
  • US2220425A - Machine tool : en
  • AU111795B2 - Improvements in and relating to lighting fittings : en
  • DE698243C - Internal combustion engine with cylinders arranged parallel to an axis and revolving around it : de en
  • US2220108A - Heating apparatus for aircraft or the like : en
  • US2220407A - Container for signal flares : en
  • US2220157A - Sheet material stacker : en
  • US2220516A - Pilot light assembly : en
  • US2220364A - Printing telegraph apparatus : en
  • DE698381C - Eddy current brake with disc-shaped runner : de en
  • GB528684A - Improvements in or relating to, elastic edging, bands and the like, and to the method of and means for producing same : en
  • GB528867A - Improvements in or relating to lathes and tool holders therefor : en
  • US2220815A - Hydraulic hoist : en
  • USD123456S - Design fob a dress : en
  • US2220160A - Display truck for burial vaults : en
  • DE698393C - Device for the detachable fastening of the mold support plates of ingot casting machines to the links of the chain tracks : de en
  • FI18719A - Front press roll for a layer of pulp assembled on a screen surface : en fi
  • US2220137A - Can transfer valve : en
  • US2220534A - Footwear : en
  • DE698124C - Filling and dosing device for tablet presses : de en
  • AU111822B2 - Hernia pad for abdominal supporting garments : en
  • DE698220C - Method for wrapping the bottle head : de en
  • US2220359A - Well device : en
  • US2220593A - Health belt : en
  • US2220355A - Air conditioning apparatus : en
  • US2220861A - Reduction of surface reflection : en
  • US2220817A - Container for fishing tackle and the like : en
  • DE698265C - Detonator for bullets : de en
  • US2220212A - Extraction of metals from ores : en
  • USD123398S - Design for a clothes hanger : en
  • FI18734A - Softwood charcoal method : en fi
  • GB528749A - Improvements in or relating to looms : en
  • US2220827A - Securing moldings : en
  • US2220868A - Electric sewing machine table : en
  • US2220493A - Surgical instrument : en
  • GB528650A - Improvements in and relating to electric measuring instruments : en
  • AU111799B2 - Improvements in and relating tothe manufacture of conduits for electrical conductors andthe like : en
  • DE698238C - Glass mirrors for optical purposes, in particular headlight mirrors : de en
  • US2220580A - Closure for containers : en
  • AU100240A - Improvement in high efficiency amplifier : en
  • US2220080A - Synchronizing mechanism : en
  • US2220479A - Control valve : en
  • USRE21619E - Connector device : en
  • US2220533A - Railroad tie : en
  • US2220787A - Shock absorbing windshield : en
  • US2220702A - Safety device : en
  • US2220823A - Game : en
  • USD123413S - Design for a camera view finder : en
  • US2220523A - Method and apparatus for renewing the perforations of motion picture films : en
  • US2220664A - Cooking vessel lid : en
  • DE698250C - Circumferential thread take-up for lockstitch sewing machines : de en
  • DE698432C - Cutter head for cutting pre-machined gear bodies : de en
  • US2220327A - Control system : en
  • US2220296A - Combination perforating die and striking plate : en
  • US2220504A - Soundhead : en
  • FI18855A - Förfaringssätt för behandling av ämnen, vilka innehålla tantal och / eller niabium : en fi
  • US2220105A - Pulverizer : en
  • US2220267A - Manure loader : en
  • US2220527A - Device for producing pictorial representations : en
  • CA392304A - Photographic developer : en fr
  • US2220537A - Window operating mechanism : en
  • AU388839A - Improvements in or relating to scouring or polishing tools : en
  • US2220380A - Corn cutter : en
  • US2220658A - Propelling means for aircraft : en
  • US2220873A - Bag and method of making same : en
  • AU511439A - Improvements in and connected with syringes : en
  • CA392301A - Photographic colour correcting method : en fr
  • CA392324A - Shaving implement : en fr
  • DE698325C - Arrangement for the operation of rectifiers with controlled discharge paths that work temporarily as inverters : de en
  • US2220184A - Variable spacing mechanism for typewriters : en
  • US2220356A - Nut locking device : en
  • CA392395A - Mineral mixture separation process : en fr
  • DE698264C - All-round whiplash : de en
  • GB528643A - Improvements in and relating to regulator levers and bearings for clock-work balances : en
  • GB528733A - Improvements in or relating to water filter plants comprising automatic filter cleaning : en
  • DE698221C - Process for the flotation of oxidic ores : de en
  • CA392294A - Cathodic lamp : en fr
  • US2220238A - Baby walker : en
  • GB528810A - Improvements in titanium pigments : en
  • DE698233C - Dust-fired locomotive : de en
  • DE698420C - Two-part bed fitting consisting of hook and slot parts : de en
  • US2220075A - Selector action for multiple key devices : en
  • US2220566A - Clutch : en
  • CA392339A - Grinding and lapping machine : en fr
  • CA392380A - Teletypewriter station : en fr
  • US2220667A - Colloidal gel : en
  • FI18717A - The segment is slipskiva, special for tramass : en fi
  • AU122558B2 - Improvements in or relating to an irrigating or spraying apparatus : en
  • AU59140A - Sparkplug performance indicator : en
  • AU80440A - Improvements in or relating to water softening : en
  • AU111820B2 - Improvements in or relating to temperature Responsive variable reactances : en
  • DE698187C - Process for achieving a silver luster effect in phenol aldehyde synthetic resins : de en
  • GB528771A - Improved stud for collars, shirts and the like : en
  • CA392384A - Vibratory system : en fr
  • GB528633A - Improvements in mains-energised thermionic tube circuits : en
  • AU111785B2 - Improvements in or relating to water softening : en
  • DE698355C - Adjustable memory device on the handle of a razor : de en
  • CA392365A - Motion picture printer : en fr
  • FI18710A - Butter dispenser : en fi
  • US2220149A - Method of constructing bituminousbound wearing surfaces for roadways and streets : en
  • FI18822A - Sätt att fästa bärfjädrar och svänglar vid tröskmaskiner : en fi
  • GB528762A - Improvements in or relating to the electrodeposition of copper : en
  • GB528891A - Improvements in pressure relief devices : en
  • FI18770A - Anordning för befästning av skärande ell malande ribbor eller tänder i kvarnar av varje slag : en fi
  • FI18801A - Förfaringssätt framställning av vattentätt och vattenbeständigt papper ocp Papp : en fi
  • USD123428S - Perfume bottle display unit or similar article : en
  • US2220112A - Shoe sewing machine : en
  • GB528712A - Improvements in or relating to pylons and tower-like supports : en
  • GB528813A - Improvements in or relating to clips for electric fuses of the cartridge type : en
  • GB528886A - Improvements in or relating to warp knitting machines : en
  • FI18858A - Graphical method for calculating compound feedingstuffs and a calculator with which the calculations are performed : en fi
  • FI18739A - Packing box : en fi
  • GB528726A - Improvements relating to dust extractors and the like : en
  • FI18763A - Värmeförbrukningsmätare för radiatorer, varmevattenledningar o.dyl. : en fi
  • AU114440A - Improvements in or relating to seals for lead-in conductors : en
  • AU86040A - Improved combined steam boiler and water heater : en
  • FI18713A - These hydrometers and / or concentration regulators are used : en fi
  • GB528676A - Control means for change-speed gear for motor propelled vehicles : en
  • DE698255C - Device for connecting two ends of the film coated with a solvent : de en
  • FI18694A - Cylinder lock : en fi
  • CA392381A - Detecting system : en fr
  • DE698385C - Device for improving the operating conditions of capacitor-excited inverters : de en
  • GB528900A - Improvements in or relating to looms utilizing stationary weft supplies : en
  • DE698440C - Feed channel for steam generator with forced circulation : de en
  • FI18818A - Garden aura : en fi
  • FI18820A - Räfsa : en fi
  • DE698248C - Container for electrolytic baths : de en
  • GR9328B - METHOD OF PROTECTION OF BUILDERS, ENGINEERS AND GENERAL MOVEMENTS FROM AIR RAIDS. : el en
  • US2220206A - Drawer case and the like : en
  • US2220507A - Method for refining organic acids obtained from oxidized hydrocarbons : en
  • GB528841A - Improved means for automatically regulating the load in electric circuits : en
  • USD123396S - Design for, a clothes hanger : en
  • DE698006C - cal pressure hydrogenation of solid carbonaceous substances : de en
  • FI18712A - Scale gauge for deforestation and forest assessment : en fi
  • DE698333C - Process for cultivating individual colic cultures from the faeces of people with intestinal diseases : de en
  • FI18766A - Anordning rörör av av ladugårdar : en fi
  • US2220255A - Duplicating apparatus : en
  • USD123457S - Design for a building : en
  • GB528741A - Improvements in or relating to the dyeing of cellulosic textile materials : en
  • DE698390C - Safety device on firing systems for liquid and dusty fuels : de en
  • FI18680A - Anordning vid klaffar för brevinkast : en fi
  • US2220221A - Process and apparatus for making closure sleeves for containers : en
  • DE698403C - Explosive fuse for explosive rivets : de en
  • FI18725A - Dörrlås med alarmanordning : en fi
  • US2220525A - Multiply fabric article : en
  • US2220657A - Apparatus for treating liquids : en
  • USD123408S - Design for a soap cake or similar article : en
  • FI18813A - A tent that can be assembled and used as a handbag : en fi
  • FI18696A - Förfaringssätt för framställning av företrädesvis frostbeständiga lättstensmassor : en fi
  • GB528756A - Improvements in and relating to apparatus for sizing or dressing yarns and/or starching, finishing, impregnating and drying woven textile fabrics : en
  • US2220342A - Lawn tool : en
  • US2220128A - Friction bolster spring : en
  • US2220316A - Highway marking : en
  • US2220555A - Shoemaking : en
  • AU111806B2 - Sparkplug performance indicator : en
  • FI18846A - Device for two-bed loungers : en fi
  • DE698376C - Circuit arrangement for Umsteuerwaehler in telephone systems with dialer operation : de en
  • US2220599A - Means for preventing reverse rotation of camera winding knobs : en
  • US2220248A - Tool holder : en
  • US2220131A - Locking mechanism : en
  • FI18873A - Filt for the sale of paper, cardboard and other material : en fi
  • GB528845A - Zircon refractories and methods of making same : en
  • GB528880A - Improvements in and relating to electric choke coils : en
  • US2220213A - Method of producing elastic thread : en
  • US2220280A - Gauge : en
  • AU111782B2 - Improvements in and connected with syringes : en
  • GB528699A - Metal to glass seals : en
  • US2220728A - Means for controlling liquid pressure in riser cables : en
  • AU145840A - Improvements in or relating to electric switches : en
  • FI18781A - Limämne : en fi
  • US2220582A - Heater tube for furnaces : en
  • SE100194C1 - Stained glass : en sv
  • DE698319C - nd pressurization of the liquid from a vapor-liquid mixture : de en
  • US2220497A - Pot for plant propagation : en
  • GB528795A - Improvements in and relating to electrical resistances : en
  • DE698405C - Dry protection against the escape of oxygen and flame retardation in acetylene systems : de en
  • DE698386C - Bolometer arrangement : de en
  • DE698389C - : de en
  • DE698209C - Spinning or twisting ring with clamp fastening in the ring rail : de en
  • GB528677A - Improvements in or relating to insulated electric conductors : en
  • GB528750A - An improved plastic composition : en
  • GB528857A - Improvements in electric furnaces : en
  • GB528879A - Improvements in and relating to cabinets for refrigerators and the like : en
  • US2220672A - Respirator control : en
  • FI18785A - Anordning vid lådor avsedda i interesudsak förvaring av aromatiska ämnen och liknande : en fi
  • DE698340C - Device for working with polarized light : de en
  • DE698423C - Process for separating the at different tempering mixtures of metals or metal-like elements : de en
  • US2220118A - Resonant circuit phase control of electrical space discharge devices : en
  • CA392368A - Air distributor : en fr
  • GB528729A - Improvements in alloy steel and articles made therefrom : en
  • US2220227A - Sprayer : en
  • US2220826A - Securing hollow moldings : en
  • DE698442C - ken for iron and steel baths : de en
  • DK58128C - Method for Manufacturing a Secondary Emission Electrode in an Electric Discharge Pipe. : da en
  • GB528725A - Improvements in or relating to gas- or vapour-filled electric discharge devices : en
  • GB528766A - An improved process for the revivification of decolorizing adsorbents : en
  • FI18795A - Mjölkkylämbare : en fi
  • FI18731A - Anordning vid färgningsapparater : en fi
  • AU124240A - Improved glass block structures and process of, and glass blocks for making thesame : en
  • US2220125A - Degreasing : en
  • US2220271A - Spudding machine : en
  • USD123389S - Design for a clothes hanger : en
  • GB528840A - Valve control device for installations for the ventilation of closed spaces : en
  • GB528865A - Improvements in and relating to clips for fountain pens and the like : en
  • FI18782A - Tray for draining washed dishes : en fi
  • GB528792A - Improved viscous compositions for use in shock absorbers and similar mechanisms : en
  • GB528703A - Improvements in sheet feeding machines : en
  • GB528783A - Improvements in steam generators : en
  • FI18703A - Rubber for footwear : en fi
  • GB528758A - Improvements in or relating to inner tubes for pneumatic tires and methods of, and mold for, forming said inner tube : en
  • DE698275C - Braking force regulator, in which the braking force is controlled as a function of the resistance to movement of a measuring body that is pressed against the rails during braking : de en
  • US2220348A - Luminous tube display : en
  • US2220848A - Device for reducing side wear upon belts in pulleys : en
  • GB528751A - Improvements in or relating to comb cleaning devices : en
  • GB528694A - Improvements in automatic multiple spindle machine for turning, drilling, tapping and the like : en
  • GB528764A - Improved process and apparatus for the gavanoplastic multiplication of sound record bands : en
  • US2220162A - Highway crossing gate : en
  • GB528627A - Improvements in or relating to electrical miners' lamps having two light sources : en
  • GB528819A - Improvements in or relating to secret communication systems : en
  • FI18797A - Sätt att conservera grönfoder : en fi
  • GB528897A - Improved clamp for use with liquid or porcelain fuses : en
  • DE698263C - r weapons : de en
  • US2220405A - Pivoted louver panel and lock : en
  • GB528894A - Improvements in television transmitters : en
  • GB528680A - Improvements in and relating to carbon or like sheets for manifolding purposes : en
  • FI18828A - Anordning for oatbruten kaustisering av smältsoda for framställning av färsklut för anläggningar för cellulosafabrikation : en fi
  • GB528707A - An improved holder for cups and other articles with a ring-like or hook-like handle : en
  • CA392286A - Magnetic material production : en fr
  • DE698191C - Carburetors for internal combustion engines : de en
  • GB528663A - Improvements relating to reflectors : en
  • GB528667A - Improvements in and relating to vehicle bodies : en
  • DE698210C - Ball suspension for quick interchangeable pull connections between the expander strings and the expander handles : de en
  • DE698234C - Fan impeller : de en
  • CA392352A - Electro-optical device : en fr
  • DE697910C - Reflector lamp with a device for changing the focus : de en
  • DE698446C - Screw cap for electrical fuses with cementless fastening of the threaded sleeve in the insulating body : de en
  • US2220114A - Method for isolating cholesterol : en
  • US2220222A - Siren : en
  • US2220611A - Brake control : en
  • US2220531A - Extract containing unsaturated and aromatic hydrocarbons : en
  • DE698358C - Locking device for self-loading weapons : de en
  • DE698184C - Child carrier : de en
  • GB528831A - Improvements in folding hoods for vehicles : en
  • US2220415A - Control system : en
  • US2220437A - Ultra high frequency system : en
  • GB528740A - Improvements in the production of cellulose compounds and the treatment of cellulosic textile materials : en
  • AU551639A - Improvements in or relating to amplifiers : en
  • US2220852A - Golf club shaft : en
  • GB528702A - Improvements relating to electric arc lamps : en
  • US2220152A - Coating composition : en
  • US2220736A - Apparatus for detecting web alignment : en
  • FI18729A - Light water turbine or rotary pump : en fi
  • US2220713A - Manufacture of alkyl fluorides : en
  • GB528734A - Improvements in or relating to light modulating devices for use in television receivers : en
  • FI18700A - Förfaringssätt oc apparatör för behandling av sopor ocikik liknande : en fi
  • FI18843A - Forms of formaldehyde growth : en fi
  • DE698337C - Air-permeable conveyor belt for the rubber : de en
  • US2220062A - Phenol-cellulose resin : en
  • US2220185A - Typewriter character spacing means : en
  • US2220625A - Electric cigar lighter : en
  • FI18701A - Adjustable stiffening attachment for soft shirt collars : en fi
  • FI18857A - Ski : en fi
  • DK58124C - Fully or semi-automatic Telephone System. : da en
  • GB528715A - Improved process and apparatus for continuous impregnation of cables and the like articles : en
  • FI18841A - A method of using aqueous alcohol as a fuel for a gasoline engine : en fi
  • FI18847A - Locker : en fi
  • DE698293C - Umspinnkoerper for machines for screw-shaped winding of wire cores, strands and. Like. With tape strips : de en
  • GB528687A - Improvements in safety devices for machine tools : en
  • DE698303C - Check valve, especially for hydraulic brake systems of motor vehicles : de en
  • USRE21618E - Vacuum wall receptacle : en
  • US2220337A - Urea-formaldehyde molding composition : en
  • CA392372A - Allyl halide production : en fr
  • CA392277A - Mower cutter bar unit : en fr
  • US2220422A - Instrument for defining arcs and irregular curves : en
  • US2220705A - Lawn mower : en
  • US2220744A - Traffic controlling system for railways and the like : en
  • US2220673A - Valve for absorbers : en
  • US2220700A - Protein composition and foam abatement : en
  • US2220294A - Float valve mechanism : en
  • US2220748A - Control system : en
  • US2220643A - Wiping device : en
  • CA392270A - Book rest : en fr
  • AU58540A - Process and catalyst forthe conversion of hydrocarbons : en
  • US2220191A - Elevator : en
  • GB528625A - Improvements in, or relating to, the heat treatment of metals : en
  • US2220121A - Collapsible box : en
  • US2220709A - Electrical musical instrument : en
  • US2220443A - Antiparasite filter for radio receivers : en
  • US2220489A - Sensing device : en
  • US2220735A - Electric valve circuit : en
  • US2220752A - Thermostatic switch : en
  • DE698356C - Sight intended for firearms with rear sight and front sight : de en
  • DE698268C - Process for the production of road tar : de en
  • US2220441A - Synthetic resinous composition : en
  • USD123394S - Design fob a clothes hanger : en
  • US2220465A - Retaining means for an automotive vehicle brake system : en
  • GB528752A - Improvement in insecticides : en
  • USD123418S - Escutcheon plats for stoves or the like : en
  • AU111823B2 - An improved auxiliary inking ribbon device for typewriters : en
  • CA392390A - Wooden box : en fr
  • CA392397A - Regenerative radio receiver : en fr
  • AU184839A - An improved box or case : en
  • AU532639A - Improvements in and relating to sprinklers : en
  • DK58132C - Electronnet amplifier tube with Photocathode. : da en
  • US2220844A - Method of distillery slop filtration : en
  • US2220081A - Marine steam condenser arrangement : en
  • US2220210A - Method of lining bearing surfaces : en
  • US2220330A - Safety baby hammock : en
  • US2220653A - Centrifugal mixing and atomizing device : en
  • USD123446S - Design fob a dress : en
  • US2220509A - Process and apparatus for exploring georlogical strata : en
  • CA392360A - Ultra high frequency transmitter : en fr
  • CA392347A - Fire extinguisher : en fr
  • DE698212C - Device for cutting pipes made of porcelain or similar material : de en
  • AU111808B2 - Improvement in high efficiency amplifier : en
  • AU392540A - Improvements in oscillation generators : en
  • US2220361A - Sidehill steering attachment for tractors : en
  • US2220797A - Annealing furnace : en
  • US2220386A - Method of manufacturing sheet asbestos products : en
  • US2220816A - Blowhole eliminator : en
  • US2220332A - Sheet record device : en
  • US2220304A - Production of hydrochloric acid : en
  • US2220393A - Self-carrying cable : en
  • CA392388A - Built-in jack for motor vehicles : en fr
  • DE698373C - Type lever rest bearing for typewriters or the like. : de en
  • US2220486A - Boiler : en
  • US2220711A - Impact tool : en
  • US2220624A - Process for the hydrogenation of lignin and waste pulp liquors and the products thereof : en
  • DE698421C - Machine for the helical winding of arbitrary over a mandrel : de en
  • GB528685A - Improvements in or relating to cathode ray tube television receivers and to optical projection systems therefor : en
  • US2220604A - Air treating apparatus : en
  • US2220704A - Overhead welding gantry : en
  • DE698395C - Process for designing items of clothing, in particular headwear : de en
  • DE698414C - Device for measuring the same length and marking running lengths of fabric : de en
  • CA392364A - Electrical coupling system : en fr
  • US2220529A - Yarn supply : en
  • GB528859A - Improvements in collapsible supporting devices for use by decorators and for like purposes : en
  • US2220339A - Valve-in-piston controlling device : en
  • US2220434A - Remote control device for sound records : en
  • DE698366C - Drawing press for hollow bodies with cooled drawing ring : de en
  • AU476439A - Improved apparatus and process for moulding cement flushing units andthe like : en
  • DE698247C - Air and liquid cooling device for piston engines, in particular piston internal combustion engines : de en
  • GB528689A - Improvements in or relating to high frequency amplifiers : en
  • GB528844A - Hair dyeing composition : en
  • CA392309A - Electric discharge apparatus : en fr
  • US2220740A - Packing box : en
  • US2220773A - Method of welding oil well casings : en
  • USD123468S - Design for a brooch : en
  • GB528788A - Improvements connected with chairs, settees, invalid chairs, perambulators and the like : en
  • GB528826A - Process and apparatus for the production of synthesis gases mainly consisting of mixtures of carbon monoxide and hydrogen and of hydrocarbons therefrom : en
  • GB528678A - Improvements in or relating to insulated electric conductors : en
  • CA392345A - Waterproof adhesive composition : en fr
  • FI18809A - Förfaringssätt oc apparatör för ythärdning av metallföremål : en fi
  • US2220216A - Joint for articulated arms : en
  • US2220462A - Method for the preparation of terpene ethers : en
  • US2220628A - Art of constructing highways or other massive structures : en
  • US2220186A - Tank construction : en
  • AU518639A - Improved pipe joint : en
  • DE698378C - Control valve for compressed air drives electrical high-voltage switch : de en
  • DE698226C - Cathode ray tubes for television deflection of the cathode ray : de en
  • AU122587B2 - improvements in belt fasteners : en
  • DE698332C - Dental forceps for pulling lower wisdom teeth : de en
  • DE698235C - Resin press with oil pressure device : de en
  • DE698279C - Roller pantograph for weak currents, e.g. B. Telephone systems : de en
  • US2220147A - Manufacture of alkylolamines : en
  • US2220439A - Adjustable shoe : en
  • FI18779A - Säkring för glödkroppar i glas eller quartskärl, såsom glödlampor eller dylikt : en fi
  • GB528718A - Improvements in and relating to a method of manufacturing electric heating elements : en
  • US2220343A - Positive variable speed drive : en
  • US2220546A - Aircraft tail device : en
  • US2220829A - Fluid pressure actuated motor : en
  • US2220669A - Impeller for centrifugal pumps : en
  • CA392389A - Milk and cream container and separator : en fr
  • FI18783A - Refinement of the interest rate within the framework of the photographic data : en fi
  • FI18862A - Packing box : en fi
  • GR9329B - LIQUIDS FOR APPLICATION OF MISSING POINTS OF SOCKS. : el en
  • FI18867A - Sätt att framställa vit slipmassa av tallved : en fi
  • US2220368A - Means for regulating delivery of gas : en
  • FI18708A - Kappsäck : en fi
  • CA392313A - Trolley-conductor device : en fr
  • DE698227C - Process for the production of electrical multi-conductor cables : de en
  • FI18812A - Anordning vid gasgenerator : en fi
  • FI18709A - Map case : en fi
  • GB528759A - Improvements in or relating to methods of and apparatus for forming rubber articles : en
  • GB528812A - Improvements in mercury arc converters : en
  • USD123444S - Design for a dress : en
  • DE698203C - Bicycle support pivotable around a vertical pivot pin with padlock : de en
  • DE698300C - Hurricane lantern for vehicles : de en
  • US2220500A - Character recording system : en
  • USD123390S - Design for a clothes hanger : en
  • DE698189C - Device for measuring according to the compensation method with root extraction of the measured variable : de en
  • US2220171A - Apparatus for the continuous distillation of liquids : en
  • US2220308A - Generator cooler : en
  • FI18759A - Boxing : en fi
  • GB528846A - Improvements relating to hair curlers : en
  • USRE21616E - Xrotary drilling apparatus : en
  • GB528742A - An improved machine for spreading artificial fertilisers and the like : en
  • US2220379A - Magnetron telegraphic repeater : en
  • US2220557A - Skate : en
  • FI18726A - Anordning vid that till sin längd inställbart baskyllos : en fi
  • GB528631A - Improvements in audio frequency amplifiers : en
  • GB528821A - Improvements in or relating to impedence transformer arrangements : en
  • US2220103A - Dental matrix instrument : en
  • US2220111A - Polarizing device : en
  • US2220155A - Folding stairway : en
  • US2220849A - Method for forming synthesis gas : en
  • US2220274A - Kerf-cutting machine : en
  • US2220535A - Electric forging machine : en
  • US2220585A - Continuous heating furnace : en
  • FI18736A - Collar button : en fi
  • FI18784A - Bäranordning för confityrburkar, behållare och liknande : en fi
  • GB528622A - Improvements in or relating to highway markers : en
  • GB528632A - Improvements in or relating to thermionic valve amplifiers : en
  • GB528774A - Two stage compression arrangement for aircraft engines : en
  • FI18800A - Förfaringssätt for framställning av sulfitcellulosa : en fi
  • CA392299A - Electric lamp : en fr
  • US2220808A - Air conditioning system : en
  • FI18864A - Lottery ticket : en fi
  • DE698309C - Process for the production of gas soot : de en
  • FI18750A - Luftskumsläckare : en fi
  • US2220065A - Aminophenols and their preparation : en
  • US2220256A - Coil winding machine : en
  • CA392323A - Glue applicator : en fr
  • CA392367A - Homogeneous article production from polyvinyl alcohol : en fr
  • US2220779A - Offsetting arrangement for boring tools and the like : en
  • CA392385A - Piezoelectric crystal impedance element : en fr
  • US2220353A - Portable steam generator : en
  • US2220671A - Manufacture of electrotype printing plates : en
  • CA392399A - Thread or filament forming apparatus : en fr
  • CA392374A - Wood pulp bleaching process : en fr
  • CA392285A - Card table : en fr
  • USD123455S - Design for a combined handbag and compact : en
  • AU111800B2 - Improvements in conveyer mechanisms : en
  • CA392316A - Cellulosic structure production : en fr
  • US2220199A - Clamping device for force responsive element : en
  • US2220765A - Vitreous material : en
  • USD123420S - Design foe, an electric hot water heater : en
  • CA392391A - Filament, fibre and yarn crimping method : en fr
  • USD123458S - Design for a building : en
  • DE698195C - Process for the production of screens or other thin plates provided with openings : de en
  • CA392283A - Container for fluids under pressure : en fr
  • CA392386A - Piston ring : en fr
  • CA392272A - Composite board flooring : en fr
  • US2220297A - Grease gun : en
  • DE698067C - Brake circuit for drives of electrically set wing signals with a holding magnet for the stop and drive positions : de en
  • CA392338A - Assist strap : en fr
  • GB528767A - Boot heel support for motorists : en
  • FI18845A - Anordning vid draggardinstänger : en fi
  • US2220384A - Metallurgical flux and method of producing it : en
  • US2220572A - Gas burner : en
  • FI18691A - The transmission system is connected to the motor and is equipped with an anchor motor : en fi
  • GB528697A - Methods of and apparatus for sensing radiant energy : en
  • US2220188A - Trouser supporter : en
  • US2220285A - Means for temporarily supporting drinking glasses, jars, and other containers : en
  • DE698245C - Fuel ventilators, especially for aircraft engines : de en
  • US2220496A - Flowmeter : en
  • DE698244C - Starting decompression device : de en
  • US2220246A - Inspection equipment : en
  • US2220589A - Method of making imitation astrakhan : en
  • US2220094A - Picture-indicia projection system : en
  • US2220571A - Wallpaper : en
  • GB528738A - Improvements in or relating to looms utilizing stationary weft supplies : en
  • CA392291A - Vehicle roof : en fr
  • CA392394A - Directional radio system : en fr
  • GB528688A - Improvements in or relating to intervalve coupling circuits : en
  • DE698194C - egen : de en
  • FI18833A - Self-propelled barrel firearm : en fi
  • DE698435C - Process for restoring the damaged surface of used film image tapes : de en
  • US2220446A - Variable inductance device : en
  • USRE21617E - Automatic stoker : en
  • DE698331C - Esophagoscope with a springy lamp holder : de en
  • FI18798A - Sätt att ur sul sulfitavfallslut framställa en tjockflytande vattenlösning av en limmande substans : en fi
  • DE698391C - Breaking and vibrating machine : de en
  • US2220334A - Deep well pump : en
  • US2220791A - Power drill : en
  • US2220863A - Indicator and computing mechanism : en
  • CA392306A - Photographic colour film : en fr
  • GB528895A - Improvements in or relating to a method of and apparatus for protecting electrical apparatus : en
  • DE698242C - Device for controlling fuel injection : de en
  • GB528861A - Ultra-short wave course beacons : en
  • SE100205C1 - Device for writing office machines, in particular bookkeeping machines, for feeding a strip of writing paper consisting of continuous sheets. : en sv
  • FI18699A - Light water turbine or rotary pump : en fi
  • CA392275A - Hair waving apparatus : en fr
  • US2220243A - 2-methyl-4-amino-5-thioformyl-aminomethylpyrimidine and process for the manufacture of amides of thioformic acid : en
  • US2220116A - Production of cadmium colors : en
  • FI18865A - The flowing tuber is made of paper or paper material : en fi
  • GB528832A - Improvements in and relating to inflatable balls : en
  • CA392288A - Steam boiler : en fr
  • GB528623A - Improvements in plate heat exchangers suitable for heating air : en
  • DE698262C - Process and device for the darkening of light surfaces in buildings : de en
  • DE698173C - Power supply system, especially for vehicle lighting, with a generator and a collector battery : de en
  • FI18765A - Grain cleaning or sorting machine feeder : en fi
  • FI18821A - Tröskverk : en fi
  • GB528777A - Improvements in and relating to the manufacture of composite metal articles : en
  • US2220698A - Terminal clamp : en
  • FI18697A - Anordning vid scrapelevatorer : en fi
  • GB528888A - Improvements in or relating to work rotating devices for grinding machines and other machine tools : en
  • DK58136C - Procedure for the production of fabric. : da en
  • FI18808A - Anordning vid tvättmaskiner : en fi
  • US2220569A - Store front construction : en
  • US2220837A - Combustion control system : en
  • US2220122A - Collapsible box : en
  • US2220570A - Hydrochloric acid absorption : en
  • DE698288C - Socket arrangement for electric light tubes consisting of base and socket : de en
  • US2220640A - Brake hanger support : en
  • US2220759A - Compounding material for rubber : en
  • US2220833A - Damper construction and remote control therefor : en
  • US2220763A - Speed regulator : en
  • US2220854A - Unsaturated esters : en
  • DE698291C - Firing for small fuels : de en
  • FI18718A - Apparatus for continuous handling of cellulose in the form of chemicals, alkali or other chemical substances : en fi
  • GB528892A - Improvements in or relating to shaft bearings : en
  • US2220814A - Sealing device for rotating shafts : en
  • US2220819A - Wedge fastener for scraper blades : en
  • DE698364C - Multi-stage, in particular two-stage, internal combustion compressor or internal combustion propellant gas generator with counter-rotating free-flight pistons : de en
  • US2220201A - Modulation : en
  • USD123453S - Design for a dress : en
  • DE698284C - Thermal self-switch : de en
  • CA392307A - Piezo-electric crystal coupling circuit arrangement : en fr
  • US2220548A - Wind conduction for labial pipes of organs : en
  • US2220475A - Typewriter desk for use with dictaphone transcribing devices : en
  • US2220495A - Pressure gauge for pneumatic tires : en
  • US2220699A - Production of high antiknock gasoline : en
  • US2220820A - Headlight signal : en
  • US2220090A - Conversion of hydrocarbon products : en
  • US2220506A - Method for refining oxy-acids obtained from oxidized hydrocarbons : en
  • FI18690A - Installation of objects for photographic equipment : en fi
  • US2220321A - Fluid coupling compressor drive : en
  • US2220581A - Spring shield : en
  • AU114240A - Improvements inthe method of and apparatus for cleaning lubricant receptacles andthe like : en
  • DE698344C - Carburetor for an internal combustion engine equipped with an engine braking device : de en
  • DE698437C - Built-in headlights for insertion into an opening in the casing of a motor vehicle from the front : de en
  • US2220487A - Lubricating oil and lubrication therewith : en
  • USD123378S - Design for a cupola smelter : en
  • US2220511A - Continuous fruit orientating device : en
  • US2220574A - Apparatus for clarifying liquid : en
  • US2220575A - Production of phosphatic fertilizers : en
  • US2220266A - Belt : en
  • US2220442A - Article of jewelry : en
  • US2220741A - Seal for lead-in conductors : en
  • USD123423S - Design fob a wing nut : en
  • CA392293A - Temperature regulating system : en fr
  • US2220260A - Method and means for reducing disturbances in wireless reception : en
  • US2220492A - Game device : en
  • US2220061A - Effective temperature control : en
  • US2220490A - Crank grinding machine : en
  • US2220352A - Fender skirt mounting : en
  • AU111827B2 - Improvements relating to high voltage supply circuits for television systems : en
  • DK58140C - Dredging machine with Suction machine and Bucket chain. : da en
  • SE100201C1 - Method and device for producing sintering bodies : en sv
  • USD123448S - Design for a dress : en
  • FI18816A - Roller blade : en fi
  • DE698225C - Leveling hole closure for the doors of horizontal chamber furnaces for the production of gas and coke : de en
  • FI18836A - Grain dryer : en fi
  • CA392337A - Soap manufacture : en fr
  • CA392382A - Frequency selective system : en fr
  • DE698343C - Device for forming a mixture for internal combustion engines for dusty fuels : de en
  • DE698445C - Remote control device for receiving switching commands transmitted by pulse numbers, pulse times or a combination of both : de en
  • US2220783A - Electrode holder : en
  • SE100187C1 - : en sv
  • US2220469A - Holding clip for partition plates : en
  • US2220776A - Pressure casting apparatus : en
  • US2220859A - Method and apparatus for treating sewage : en
  • US2220576A - Method of arc welding : en
  • US2220594A - Air conditioning unit : en
  • DE698197C - ren alloys : de en
  • FI18825A - Transportabelt grussorterings- och lastningsverk : en fi
  • US2220178A - Process of producing a sound track on a light-sensitive color film : en
  • AU111814B2 - Method of and apparatus for forming glassware : en
  • US2220219A - Regenerative cooling system : en
  • US2220264A - Intermittent sheet forwarding apparatus for duplicating machines : en
  • US2220072A - Degumming tobacco : en
  • US2220635A - Paddle for operating in the foreheatrths of glass furnaces : en
  • US2220454A - Lehr charger : en
  • US2220641A - Porous metal filter element : en
  • US2220161A - Electron multiplier : en
  • US2220309A - Cigarette package cutter : en
  • US2220286A - Loading and transporting device : en
  • US2220609A - Internal combustion engine : en
  • US2220428A - Knitted fabric : en
  • CA392312A - Beverage dispensing apparatus : en fr
  • US2220215A - Desk lamp : en
  • US2220678A - Sulphonation products and process of manufacture : en
  • US2220867A - Tanning : en
  • US2220404A - Balancing apparatus : en
  • US2220542A - Two speed forward and two speed reverse transmission : en
  • US2220613A - Cloth winding mechanism : en
  • DE698384C - directions with controlled discharge paths : de en
  • GB528765A - An improved method and apparatus for decorticating, stripping, and/or cleaning manilla hemp : en
  • GB528782A - Improvements in or relating to implements for cutting thistles and the like : en
  • US2220169A - Kitchen utensil and method of mounting blades : en
  • US2220583A - Disseminator for volatile materials : en
  • GB528646A - Improvements in or relating to safety shutters for motion picture projectors : en
  • GB528731A - A radiator hot air deflector and cleaner : en
  • US2220761A - Multitube pipe : en
  • US2220785A - Rotary hose coupling construction : en
  • CA392359A - Radio noise suppressor : en fr
  • FI18747A - Luftskumalstrare, isynnerhet för eldsläckningsändamål : en fi
  • DE698057C - Pull ignition for land mines : de en
  • DE698348C - Steel holder for placing on boring bars : de en
  • US2220690A - Glass and metal construction unit : en
  • US2220810A - Mechanical and electrical coupling : en
  • CA392348A - Low loss circuit : en fr
  • US2220232A - Mercury switch : en
  • US2220254A - Wheel suspension : en
  • DE698380C - Arrangement to ensure the stability of DC motors in the case of field weakening : de en
  • FI18849A - Trouser hanger : en fi
  • GB528675A - Improvements relating to electrical apparatus for the measurement of mechanical pressures or movements or derivatives thereof : en
  • FI18869A - Cellulose pulp pit : en fi
  • DE698179C - ze plastic masses, such as B. Glass : de en
  • US2220561A - Magnet for lifting annular objects : en
  • USD123437S - Design for a cookstove : en
  • US2220276A - Accordion : en
  • DK58127C - Rotary capacitor. : da en
  • FI18803A - Device for filling and emptying cartridge belts : en fi
  • US2220556A - Ultra short wave device : en
  • US2220715A - Windshield protector : en
  • US2220841A - High-frequency detector : en
  • FI18787A - Fertilization requirements for the production of cellulose products and cellular plastics : en fi
  • US2220259A - Ornamental roof or awning : en
  • US2220853A - Supporting stand for dandy roll : en
  • CA392378A - Electrical rectifier : en fr
  • FI18702A - Draghäktanordning samt förfarande och anordning för framställning därav : en fi
  • USRE21615E - Irrigating apparatus : en
  • US2220365A - Locomotive feed-water heating equipment : en
  • AU111803B2 - Improvements relating to apparatus for refining, disintegrating or like treatment of materials by wet processes : en
  • FI18844A - The scope of this Regulation is as far as possible under the common rules : en fi
  • US2220066A - Liquid fuel burner unit : en
  • US2220707A - Receptacle filling machine : en
  • FI18838A - Suspenders : en fi
  • GB528824A - An improved electrical connecting device : en
  • US2220340A - Wheel structure : en
  • USD123460S - Design foe a dkess : en
  • US2220818A - Process for the removal and recovery of fluorides from trialkali phosphates : en
  • GB528839A - Improvements in conveying mechanism : en
  • DE698271C - Device for attaching flags or the like to paper sheets : de en
  • FI18741A - Sät att framställa format product and enligt sättet framställda produkter : en fi
  • US2220371A - Electrical signaling system : en
  • US2220629A - Sling lock : en
  • US2220682A - Method of bleaching fibers of vegetable origin : en
  • US2220399A - Nomomechanical calculating apparatus : en
  • US2220843A - Lubricant : en
  • US2220445A - Cigarette dispenser and lighter : en
  • US2220279A - Handset telephone : en
  • DE698312C - Multi-stage internal combustion air compressor : de en
  • DK58121C - Evaporator for Compression Refrigerators. : da en
  • AU195840A - Improvements in wideband amplifiers : en
  • US2220345A - Diesel engine fuel : en
  • GB528648A - Improvements in or relating to ball and roller bearings : en
  • GB528780A - Improvements in hydrogenating catalysts : en
  • USD123463S - Design fob a speedboat or the like : en
  • GB528655A - Improvements in and relating to test benches for electric motors and the like : en
  • CA392290A - Friction clutch plate : en fr
  • US2220317A - Cotter pin removing tool : en
  • US2220387A - Method and apparatus for firing furnaces : en
  • DE698174C - lten from starting windings of electric motors : de en
  • DE698321C - Promotion of plant growth : de en
  • US2220729A - Apparatus for the comminution and disposal of waste material : en
  • US2220784A - Means for extinguishing cigarettes, matches, and the like : en
  • GB528698A - Improvements in mechanism for driving cams of printing telegraph apparatus : en
  • GB528855A - Improvements in or relating to multi-cylinder shed forming machines : en
  • DE698336C - Hydraulic load equalizer : de en
  • GB528851A - Improved photographic apparatus : en
  • DE698186C - Suspension of the tent skin for large tents : de en
  • GB528830A - Improvements in or relating to induction type electricity integrating meters : en
  • GB528884A - Breaker bar for single- and multiple-roller mills : en
  • CA392396A - Tuned amplifier circuit : en fr
  • CA392342A - Abrasive article : en fr
  • FI18814A - Centraluppvärmningspanna : en fi
  • AU83740A - Improvements in or relating to tubular heat exchange apparatus applicable to economizers for steam generators : en
  • FI18682A - Foot valve : en fi
  • USD123450S - Design fob a dress : en
  • DE698310C - Decorative plate to be connected to the cover plate for inlet belt roller without screws : de en
  • US2220760A - Machine for uniformly spacing parallel cords : en
  • USD123397S - Design fob a clothes hanger : en
  • AU1145043A - Ultra short wave communication system : en
  • US2220063A - Production of cast iron : en
  • AU111802B2 - Improved hotwater supplying unit : en
  • US2220528A - Convertible bicycle attachment : en
  • USD123433S - Design foe, a tool handle : en
  • US2220257A - Fluid fuel burner ignition control : en
  • US2220631A - Cable opener and stripper : en
  • US2220865A - Portable folding seat : en
  • FI18688A - Scissors for spikes, telephones, etc. for cutting threads : en fi
  • AU111798B2 - Improvements in or relating to absorption or adsorption refrigerating apparatus : en
  • CA392376A - Metal tube manufacture : en fr
  • FI18732A - Apparatus for washing clothes : en fi
  • AU400839A - Improved method of and means for manufacturing slabs of different area dimensions from plastic cementitious material : en
  • AU477139A - Improvements in and relating to lighting fittings : en
  • CA392351A - Electro-optical device : en fr
  • USD123432S - Design foe. a dispiay rack : en
  • US2220068A - Protecting device for automatic multiple spindle machines : en
  • US2220661A - Two-stroke internal combustion engine : en
  • DE698198C - Drum heater for milk, cream or similar liquids : de en
  • DE698342C - Artificial burrow : de en
  • DE698422C - : de en
  • CA392273A - Textile fabric : en fr
  • DE698382C - Slip ring arrangement for electrical machines built into capsule housing : de en
  • DE698207C - Armor made of sheets of compressed, superposed layers of fibrous material : de en
  • GB528863A - Train-actuated electric track contact devices : en
  • DE698311C - Coal grinding plant in which a tube mill and a hammer mill are used : de en
  • GB528881A - Improvements in and relating to electric motor control systems : en
  • FI18706A - Preparation of B- (p-oxyphenyl) -isopropylmethylamine : en fi
  • CA392325A - Stapling mechanism : en fr
  • GB528837A - An improved fastening device : en
  • US2220126A - Inductance coil : en
  • US2220277A - Knitted garment : en
  • US2220614A - Vibrator : en
  • USD123388S - Design for a toothbrush : en
  • US2220392A - Pump valve : en
  • US2220560A - Hosiery : en
  • US2220636A - Hydraulic transmission gear : en
  • AU111778B2 - Improvements relating toa method of producing a fibre can body and apparatus for carrying out thesame : en
  • US2220236A - Punching machine : en
  • DE698353C - Ignition device for aircraft bombs : de en
  • FI18777A - Anordning vid luftintaget (formorna) för smält- och dylika ugnar, såsom kupol- och masugnar : en fi
  • US2220532A - Heating device for domestic and other uses : en
  • US2220153A - Ring-roll crusher : en
  • US2220180A - Regulator : en
  • GB528674A - Improvements in or relating to the manufacture of cellulose derivatives : en
  • DE698367C - s or hollow bodies, in particular made of steel : de en
  • GB528815A - Improvements in apparatus for the electrostatic deposition of particles suspended in gases : en
  • DE698277C - Photocell circuit : de en
  • DE698359C - Multi-head winding machine with moving winding units : de en
  • DE698236C - Process for the production of an oxygen-free copper with high conductivity : de en
  • DE698253C - Plate-shaped cinematogram carrier : de en
  • US2220543A - Selecting and shifting mechanism for transmission gearing : en
  • FI18804A - Förfaringssätt för framställning av byggnadsmaterial : en fi
  • US2220139A - Bag packing device : en
  • GB528745A - Improvements relating to electric remote control systems : en
  • GB528786A - A method of treating precipitable liquors, especially black liquor : en
  • DK58123C - Machine-operated Selector for automatic telephone systems. : da en
  • FI18861A - It is necessary for the filming of the company : en fi
  • US2220558A - Detonation suppression system for internal combustion engines : en
  • US2220767A - Carbide water light and the like : en
  • US2220772A - Filter and trap for plumbing fixtures : en
  • US2220220A - Flashlight holder : en
  • US2220470A - Pressure regulator for sizing devices : en
  • USD123382S - Design for a hood-mask : en
  • GB528661A - Improvements in and relating to tobacco ash containers : en
  • US2220073A - Mechanism for feeding blanks : en
  • US2220250A - Culinary vessel : en
  • US2220336A - Hydraulic tappet : en
  • US2220851A - Treatment of hydrocarbon oil : en
  • GB528647A - Improvements in and relating to adhesion increasing means for rail vehicles : en
  • GB528829A - Improvements in adjusting slides or buckles for bands, webbing and the like : en
  • US2220850A - Liquid congealing apparatus : en
  • US2220087A - Direction finding : en
  • US2220224A - Machine for operating on floors : en
  • US2220584A - Heating device : en
  • US2220181A - Cathode ray tube : en
  • AU111811B2 - Improvements in or relating to indicating instruments : en
  • US2220467A - Dispensing apparatus : en
  • GB528883A - Improvements in reaction chambers : en
  • US2220272A - Automobile guard : en
  • AU111810B2 - Improved glass block structures and process of, and glass blocks for making thesame : en
  • US2220714A - Production of asphalt : en
  • US2220194A - Aircraft control means : en
  • US2220588A - Screw pump : en
  • US2220567A - Photorinser : en
  • DE698170C - Touch device for alternating current telegraphy : de en
  • US2220119A - Puttying tool : en
  • US2220746A - Container construction : en
  • US2220845A - Aromatic phosphites : en
  • US2220233A - Color photography : en
  • CA392362A - Radio receiver tuning dial : en fr
  • USD123401S - Housing for a floor maintenance machine : en
  • FI18848A - Protective and abrasive shell for soap use : en fi
  • GB528710A - Improvements in and relating to the manufacture of valves : en
  • US2220135A - Method of making slip-cover opening devices : en
  • US2220871A - Portable power converting and applying unit : en
  • DE698228C - Electric cable for power transmission or communication between watercraft : de en
  • GB528735A - Improvements in or relating to measuring methods and apparatus : en
  • GB528847A - Improvements in the treatment of castor oil to render it soluble in mineral oils : en
  • GB528882A - Improvements in and relating to a method of manufacturing manganese dioxide : en
  • US2220084A - Alloy : en
  • US2220835A - Oxides of phenolic amines : en
  • USD123406S - Labich bottle opener : en
  • DE698429C - Device for sealing and guiding pistons under high pressure for high pressure grease guns : de en
  • FI18675A - Water evaporator for use in bakery ovens : en fi
  • US2220739A - Check controlled mechanism : en
  • US2220660A - Accordion : en
  • USD123415S - Design for a puppet doll : en
  • DE698315C - Safety device in compressed air caisson : de en
  • GB528717A - Improvements relating to electric distribution apparatus : en
  • GB528651A - Improvements in electric lighting fittings : en
  • US2220450A - Industrial truck : en
  • US2220176A - Regulator : en
  • US2220452A - Electronic device : en
  • AU116440A - Improvements in or relating to glass to metal seals : en
  • CA392335A - Phonograph record changing device : en fr
  • US2220187A - Filter layer for photographic color films and plates : en
  • US2220251A - Envelope opening machine : en
  • US2220414A - Combined heating and cooking stove : en
  • US2220796A - Head casing for venetian blinds : en
  • CA392354A - Superheterodyne radio receiver : en fr
  • US2220095A - Rotary fluid motor and the like : en
  • US2220205A - Method of locating detectable cement in a borehole : en
  • CA392331A - Cigar machine bunch rolling mechanism : en fr
  • US2220154A - Highway crossing gate : en
  • AU111824B2 - Improved combined steam boiler and water heater : en
  • AU111796B2 - Improvements in or relating to boudoir caps andthe like : en
  • CA392297A - Electric discharge device : en fr
  • CA392393A - Display card : en fr
  • US2220385A - Metallurgical flux and method of producing it : en
  • GB528779A - Improvements in or relating to the welding of flanged metal members : en
  • US2220190A - Individualized communicating plurality compartment container : en
  • US2220622A - Flexible insulated coupling : en
  • US2220731A - Long scale frequency meter : en
  • FI18745A - Refining conditions and anchoring of sulphite and sulphate cellulose with chlorine and carbon black : en fi
  • CA392371A - Sulphonic acid fractionation : en fr
  • US2220400A - Wall unit for sliding doors : en
  • US2220777A - Valveless chemical heater : en
  • USD123454S - Design for a condiment dispenser : en
  • US2220085A - Leak stopper : en
  • US2220792A - Composition and process for preparing cast iron products : en
  • US2220701A - Abrasion resistant furnace lining : en
  • CA392357A - Radio modulating system : en fr
  • CA392398A - Frequency changer : en fr
  • AU111826B2 - Improved method of and means for manufacturing slabs of different area dimensions from plastic cementitious material : en
  • AU182640A - Improvements in mercury arc converters : en
  • AU111783B2 - Improved pipe joint : en
  • US2220312A - Container and method of making the same : en
  • US2220388A - Container : en
  • US2220431A - Well cap : en
  • US2220638A - Bismuth salts of a substituted malonic acid and process of making them : en
  • CA392346A - Building unit : en fr
  • US2220762A - Sharpener for cloth cutting machines : en
  • AU11840A - An improved auxiliary inking ribbon device for typewriters : en
  • AU188440A - Improvements in or relating to indicating instruments : en
  • US2220733A - Transformer and method of making the same : en
  • US2220512A - Bumper construction for picker stick checks : en
  • US2220822A - Pump plunger : en
  • AU111831B2 - Improvements in and relating to lubricators : en
  • AU122586B2 - Improvements in looseleaf binders : en
  • US2220150A - Folding store service truck : en
  • USD123395S - Design for. a clothes hanger : en
  • USD123467S - Combined bottle pourer and cap therefor : en
  • FI18678A - Automatic sack ring for electric shredders : en fi
  • FI18740A - Packing box : en fi
  • AU571339A - Hernia pad for abdominal supporting garments : en
  • AU485339A - Wave translation systems : en
  • US2220855A - Unsaturated esters of fumaric acid : en
  • US2220565A - Clutch : en
  • CA392317A - High frequency aerial system : en fr
  • US2220519A - Fishing reel mechanism : en
  • US2220650A - Field service method and apparatus : en
  • USD123417S - Escutcheon flats rok stoves or the like : en
  • DE698230C - Cell construction electrical high voltage switchgear : de en
  • CA392332A - Insulated structure : en fr
  • US2220110A - Individual pie cut container : en
  • US2220536A - Booklet : en
  • US2220718A - Traveling tray oven : en
  • CA392281A - Door control mechanism : en fr
  • FI18698A - The wind turbine is used : en fi
  • AU151140A - Improvements in or relating to devices for feeding an alternatingcurrent load from a direct-current supply : en
  • GB528868A - Improvements in or relating to circular knitting machines : en
  • CA392269A - Superfluous hair remover : en fr
  • USD123383S - Spoon or other article of flatware : en
  • FI18683A - Bonding method and machine : en fi
  • CA392356A - Radio tuning indicator system : en fr
  • AU1642844A - Improvements in amplifiers for audio frequencies, and method of deriving feedback voltages, useful for making sound records andother purposes : en
  • US2220092A - Conversion of hydrocarbon products : en
  • CA392326A - Printing form inking method : en fr
  • CA392401A - Pulverulent and plastic material mixing machine : en fr
  • DE698313C - of devices operated with direct current in closed circuits : de en
  • USD123424S - Arm rest for cardiometric machine : en
  • US2220522A - Drier : en
  • USD123438S - Combined sachet doll and container therefor : en
  • GB528706A - Improvements in or relating to methods of transferring a plane printing image to a printing roller, and to a transfer printing press for carrying out the method : en
  • AU237139A - Improvements in and relating to magnetic electric apparatus : en
  • US2220360A - Ash receptacle : en
  • DE698188C - Safety glass : de en
  • DE698260C - Shoe fitting consisting of sole and heel part : de en
  • DE698397C - Development clock : de en
  • CA392369A - Tape package : en fr
  • US2220263A - Drop end gate latch : en
  • US2220419A - Gearing : en
  • US2220592A - Safety device : en
  • USD123407S - Design for a soap cake or similar article : en
  • FI18852A - Anordning fark barkning av ved : en fi
  • US2220481A - Coiling and nesting device for flexible strip material : en
  • DE698410C - Device for fastening the corrugated sheet cladding of cooling and washing towers : de en
  • GB528825A - Improvements in and relating to water closet cisterns : en
  • USD123449S - Design for a dress : en
  • US2220096A - Apparatus for forming thermometer scales : en
  • US2220872A - Mechanism for converting rotary motion to reciprocatory motion : en
  • GB528747A - Improvements relating to electric remote control systems : en
  • CA392370A - Molten metal pouring apparatus : en fr
  • US2220721A - Leather wringing machine : en
  • US2220143A - Electromagnetic switching device : en
  • US2220288A - Steamboat ratchet : en
  • US2220663A - Machine gun : en
  • DE698258C - Motorcycle with a swinging rear frame : de en
  • US2220106A - Screen cloth and method of making same : en
  • GB528645A - Improved metal netting particularly applicable to fencing and reinforcing structures and a method of producing the same : en
  • US2220696A - Treatment of hydrocarbons : en
  • FI18851A - Anordning vid stockvagnar : en fi
  • GB528736A - Improvements in radio apparatus and the like : en
  • GB528760A - Improvements in or relating to resinous compositions : en
  • GB528849A - Improvements in or relating to printed records : en
  • GB528875A - Improvements relating to acetylene generators : en
  • GB528714A - Improved form of rotary internal combustion engine : en
  • FI18737A - Method for preserving and transporting unadulterated reindeer lichen for ornamental purposes : en fi
  • GB528874A - Improvements relating to radio beacons for guiding craft : en
  • US2220097A - Transfer arm : en
  • CA392353A - Photoelectric cathode : en fr
  • US2220070A - Method of and apparatus for magnetically exploring earth strata : en
  • US2220228A - Display device : en
  • US2220539A - Nonresonating transformer : en
  • US2220679A - Weighing scale : en
  • DE698398C - Sound film copier with shrinkage compensation : de en
  • US2220494A - Railway track circuit apparatus : en
  • US2220802A - Snap-action switch : en
  • USD123441S - Design for a nut meat extractor : en
  • DE698318C - Process for the preparation of 2-oxynaphthalenesulfonic acids and their substitution products : de en
  • DE698183C - Garden bench : de en
  • FI18834A - Suksiside : en fi
  • US2220258A - Electric sign : en
  • US2220503A - Transparent bar : en
  • US2220231A - Tobacco pouch and method of making same : en
  • DK58122C - Cathode ray tube for image reproduction. : da en
  • DE698444C - Lamp signal circuit : de en
  • DK58131C - Procedure and Apparatus for Determining the High Frequency Energy Converted in a Treatment Object. : da en
  • US2220394A - Electric spot welding system : en
  • DE679815C - Burner with a coaxial and horizontal evaporator chamber, nozzle chamber and control spindle : de en
  • DE698346C - Shaft seal : de en
  • AU111812B2 - Improvements in and relating to magnetic electric apparatus : en
  • US2220217A - Sway stabilizer and shock absorber : en
  • US2220847A - Timing device for control circuits : en
  • US2220226A - Apparatus for the manufacture of threads, bands, films, flexible tubes, and the like : en
  • FI18837A - Pliers especially for removing slag from steam boiler fireboxes : en fi
  • GB528869A - Improvements in or relating to the production of knitted articles or pieces of fabric in string formation : en
  • US2220198A - Monitoring system : en
  • GB528679A - Magneto : en
  • DE698299C - Photographic camera with electric light meter : de en
  • US2220167A - Safety device for automobile doors : en
  • GB528784A - Improvements in or relating to continuous cigarette and like rod forming apparatus : en
  • GB528834A - Improvements in and relating to grinding wheels : en
  • DE698360C - Lowering device for a conveyor belt guided in helical turns around a guide frame : de en
  • FI18831A - Anordning fill tillslutning av fallskärmshöljen : en fi
  • GB528872A - Improvements in or relating to resilient mountings : en
  • CA392319A - Electrical impulse weight recorder : en fr
  • US2220333A - Wire stitching machine : en
  • US2220349A - Building construction : en
  • US2220553A - Time element release for control of traffic signals : en
  • GB528641A - Improvements relating to electric accumulators : en
  • US2220324A - Apparatus for filtration : en
  • GB528856A - Improvements in or relating to clutches : en
  • FI18687A - Förfaringssätt framställning av skyddsöverdrag på järn- oc stålytor : en fi
  • US2220382A - Shaping machine : en
  • US2220203A - Cable clamp : en
  • US2220301A - Oiling device : en
  • DE698368C - Parking device for brick-lined coke oven doors : de en
  • GB528870A - Improvements in or relating to welding wire and method of making the same : en
  • US2220411A - Refractory and method of making same : en
  • US2220745A - Multicolor printing plate : en
  • DE698320C - Elastically supported disc for radially loaded centrifugal machines, especially steam or gas turbines : de en
  • DE698400C - Anti-skid device for vehicle wheels : de en
  • US2220282A - Apparatus for clamping mirrorscript originals in duplicating machines and method relating thereto : en
  • US2220665A - Weft cutter for looms : en
  • US2220069A - Means for handling utensils and the like : en
  • AU111784B2 - Improved looseleaf binder and protective removable cover for books : en
  • US2220828A - Oil burner : en
  • US2220461A - Sound recording : en
  • US2220595A - Distributor head for evaporators : en
  • US2220141A - Sound reproducing system : en
  • US2220156A - Condensation process and product : en
  • GB528686A - Improved process for matting textiles : en
  • USD123400S - Hfnson luggage bag : en
  • USD123439S - Combined perfume bottle akd holder therefor : en
  • USD123442S - Design for a lawn sprinkler : en
  • GB528696A - Improvements relating to the concentration of sulphuric acid : en
  • FI18722A - Förfaringssätt och anordning förs autofarkering av filterfärgerna på filmen vid upptagning av bilder med tillhjälp av färgfilter : en fi
  • US2220338A - Cultivator shield control : en
  • US2220521A - Thiocyano ester : en
  • US2220134A - Process for the manufacture of fertilizers : en
  • US2220637A - Air heater for ranges : en
  • US2220754A - Steam heating system with steam powered air circulation means : en
  • US2220693A - Isomerization of olefins : en
  • USD123385S - Design for a scarf or similar article : en
  • DE698257C - Device for generating a flashing signal in the stop lamp of motor vehicles : de en
  • AU488239A - Improvements in and relating to lubricators : en
  • FI18742A - Sätt att framställa formade produkter, särskilt plattor eller skivor : en fi
  • US2220616A - Packing for steam turbines : en
  • US2220524A - Means for damping oscillations of rotating shafts : en
  • FI18876A - Anordning vid stativ för automatatvapen : en fi
  • US2220074A - Cushioning device : en
  • GB528700A - Arrangements for mounting radio direction finding equipment on vehicles : en
  • CA392379A - Railway signalling system : en fr