• US1968829A - Combined drawer pull and label holder : en
  • CA343775A - Grain separator : en fr
  • US1969086A - Golf club : en
  • CA343784A - Rubber goods : en fr
  • AT138460B - Device for turning upside down cigarettes and similar objects when being fed to a packing device. : de en
  • US1968975A - Snow scooter : en
  • US1969361A - Toaster : en
  • US1969568A - Roll-holder for rivet spinning machines : en
  • DE601127C - Hot water wax melter with wax press : de en
  • FR43740E - Dispensing device for knitting machine controls : en fr
  • GB414529A - Manufacture of anthraquinone dyestuffs : en
  • US1969351A - Hose protector : en
  • US1969630A - Electrolytic condenser : en
  • US1968938A - Motion picture apparatus : en
  • CA343781A - Ventilating apparatus : en fr
  • FR768607A - Device allowing continuous methodical dissemination : en fr
  • CA343780A - Paper coating process : en fr
  • US1969538A - Electric translating system : en
  • US1969471A - Motion picture film moving mechanism : en
  • US1969409A - Bottle shipping crate : en
  • US1968918A - Air propeller : en
  • AT138530B - Junction connection in a bar network. : de en
  • DE601016C - Belt connection for scales : de en
  • FR768446A - Coupling device for single-cable conveyor : en fr
  • FR768698A - Fuse electrolyte rectifier : en fr
  • US1969683A - Change-speed device : en
  • USD92958S - Design for a cabinet for an air con : en
  • US1969290A - Floor surfacing machine : en
  • US1968853A - Multiphase motor : en
  • DE601251C - Process for the continuous drying of cellulose tubes : de en
  • FR768479A - Cigarette mold set in a tobacco pouch : en fr
  • FR768483A - Installation of gas turbines : en fr
  • GB414445A - Improvements in or relating to the treatment of carbonaceous materials with reducing gases : en
  • AU1395333A - Waterproofing composition : en
  • US1969294A - Blast furnace tuyere : en
  • DE601080C - Wrap pack for permanent hair waving : de en
  • FR768626A - : fr
  • FR768692A - Improvements made to bottom hawsers of trawls : en fr
  • DE601123C - Hydraulic pressing device for roller bearings or the like on rubber processing machines : de en
  • FR768521A - Collector : en fr
  • DE561316C - Process for the production of a mass suitable for binding ammonia and preserving farm manure : de en
  • GB414423A - Improvements in or relating to telephone system signalling arrangements : en
  • US1969347A - Conversion of starch : en
  • CA343700A - Railway car stop : en fr
  • FR768427A - Indicator of the level and temperature of a liquid in a tank, particularly in engine radiators : en fr
  • FR768750A - Light production device : en fr
  • US1968954A - Insect trap : en
  • US1968844A - Variable pitch propeller : en
  • US1969261A - Dust collecting bag : en
  • US1969449A - Process of producing by-product calcium sulphate : en
  • US1969117A - Card dealer : en
  • GB414707A - Improvements in or relating to inductances : en
  • DK49097C - Centrifuge for cleaning pulp and similar pulp. : da en
  • FR768681A - Ski binding device : en fr
  • GB414461A - An improved process for producing cellulose esters : en
  • FR768706A - Frame with springs, cushions, seats or box springs : en fr
  • US1969015A - Pencil : en
  • US1969607A - Map : en
  • CA343682A - Alcohol recovery installation : en fr
  • US1968978A - Gas fuel burner : en
  • US1969489A - Linoleum covered top for furniture : en
  • US1969592A - Paper manufacture : en
  • US1969378A - Bowling pin : en
  • US1969610A - Window forming machine : en
  • US1969278A - Liquid treating apparatus : en
  • US1969288A - Trailer hitch : en
  • US1969010A - Lock : en
  • USD92965S - Design foe an automobile light : en
  • US1969707A - Paper of increased opacity : en
  • US1968994A - Process of bleaching wood pulps and an apparatus for carrying out said process : en
  • DE601115C - Device for the production and reverse transformation of multiple stichographic images : de en
  • GB414639A - Improvements in and relating to a process for hardening wood which has been rendered easily flexible : en
  • GB414698A - Means or apparatus for supplying air or other gases or liquids to the roots of plants or other vegetation : en
  • DE601039C - Rotating sieve drum for dewatering fiber materials suspended in water, e.g. B. wood pulp, pulp and. like : de en
  • US1968950A - Cover for culinary utensils : en
  • US1969246A - Priming composition : en
  • US1969253A - Combined brush and paste-tube device : en
  • DE601159C - Weekend equipment : de en
  • FR768540A - Devices for the thermal insulation of refrigeration cabinets and other similar applications : en fr
  • US1969556A - Flanged joint : en
  • US1968891A - Fountain coating implement : en
  • US1969463A - Azo dyestuff : en
  • US1968854A - Gaseous electric discharge device : en
  • US1969232A - Apparatus for treating web material : en
  • US1968971A - Generating and battery charging system : en
  • US1969024A - Liquid meter : en
  • CA343751A - Electrical discharge device : en fr
  • DE601026C - Procedure for operating secondary batteries : de en
  • FR768743A - Improvements made to devices for speed-based regulation of the flow rate of reciprocating pumps, in particular the flow rate of injection pumps for internal combustion engines : en fr
  • GB414581A - Process of stabilising antiknock compounds in motor fuels : en
  • DE601028C - Mercury vapor lamp in which the light tube is completely filled with mercury before the arc has ended : de en
  • DE601116C - Cathode ray television receiver whose amplifier tubes are heated by the alternating current network : de en
  • DE601120C - Device for marking the position of a threaded nut for making electrical connections : de en
  • FR43726E - Improvements to carburettors for internal combustion engines : en fr
  • FR768690A - Portable device for the reduction of fractures and dislocations without anesthesia and without aids : en fr
  • GB414703A - Improvements in and relating to resinous compositions : en
  • GB414608A - Improvements in or relating to electric discharge tubes : en
  • US1968832A - Surgical stocking heel construction : en
  • US1969140A - Paper machinery : en
  • US1969353A - Slidable seat for vehicles and the like : en
  • US1968905A - Production of aryl mercapto compounds : en
  • US1969451A - Sound reproduction : en
  • DE601072C - Alloy for objects with high electrical resistance, low temperature coefficient and good processability : de en
  • FR768475A - Automatic device for embroidery machines on the loom : en fr
  • GB414542A - Improvements in and connected with steam boilers : en
  • GB414709A - Improvements in fly screens : en
  • US1969411A - Type bar cushion for typewriting machines : en
  • DE601256C - Curved pipes and channels : de en
  • FR43725E - Method and installation for the treatment of household waste : en fr
  • GB414513A - Improvements in nails or spikes : en
  • DE601141C - Device for erasing artificial glasses : de en
  • FR768708A - Rectifier with arc cathode or incandescent cathode, or metal steam rectifier, comprising, for the regulation of the continuous power output, grids assigned to the anodes and controlled electrically : en fr
  • GB414427A - Improved commode or lavatory : en
  • GB414446A - Process for the production of azo dyestuffs : en
  • FR768489A - Windscreen wipers for automobiles and the like : en fr
  • AU1424433A - Improvements in centrifugal casting machines : en
  • CA343718A - Thallium recovery : en fr
  • CA343714A - Phosphoric acid containing material decomposition : en fr
  • GB414580A - Anodic coating of zinc base metals : en
  • FR768745A - Improvements to machines for waxing strips of cigarette paper and the like : en fr
  • USD92939S - Design for a combined spool holder : en
  • DE601181C - Baskuel clasp : de en
  • GB414491A - Improvements in and relating to alternating current power circuitbreakers : en
  • DE601121C - An electric motor built into the handle of power tools with a laminated stand iron body and pronounced stand poles : de en
  • DE601254C - Process for the production of colored, high molecular weight, organic, malleable masses : de en
  • US1969152A - Seal-joint : en
  • US1969567A - Process for the treatment of zinc sulphide ores : en
  • DE600868C - Process for the production of anhydrous or highly concentrated formic acid from alkali formates : de en
  • DE601003C - Anvil for socket setting machines : de en
  • FR768481A - Process for the preparation of methyl chloride : en fr
  • FR43714E - Pneumatic station installation particularly intended for boxes which determine their own path by closing contacts : en fr
  • GB414512A - Improvements connected with mixing taps : en
  • USD92941S - Design for a phonograph cabinet or : en
  • DE601004C - Closing slide for tunnel ovens : de en
  • US1968897A - Device for gumming tape : en
  • US1969064A - Relay : en
  • US1969445A - Photographic emulsion containing neothiazolocarbocyanines : en
  • US1969589A - Macaroni and means for producing the same : en
  • US1969695A - Vertical turbo-generator arrangement : en
  • US1968917A - Process of making steel : en
  • US1969437A - Fabricated face for ventilators : en
  • DE601047C - Conversion of alkali amides into safe, easy to dose form : de en
  • US1969079A - Control actuator for windshield cleaners : en
  • AT138487B - Template for making velvet or plush-like embroidery. : de en
  • FR768420A - Improvements to lighting apparatus for motor vehicles, apparatus such as position or parking lights : en fr
  • GB414634A - Improvements in or relating to electric signal transmission systems : en
  • FR768532A - Cathodic oscillograph : en fr
  • USD92963S - Design for a sound amplifying : en
  • DE601273C - Central lubrication device, especially for motor vehicles : de en
  • US1968963A - Nap-raising, sleeking, and the like fabric dressing machine : en
  • DE600980C - Process for the preparation of fibrous cellulose acetates : de en
  • GB414755A - Improvements in holders or supports for pipes, tubes, cylindrical rods and the like : en
  • US1968813A - Apparatus for storing and dispensing products : en
  • US1969671A - Cervical tampon applier : en
  • GB414729A - Improvements in high speed steam engines with gear transmission for railway locomotives : en
  • FR768575A - Carriage advance mechanism or the like for machine tools, in particular for machines for grinding flat surfaces : en fr
  • DE601210C - Lathe for high cutting performance thanks to high cutting speeds : de en
  • FR768619A - New coating product for welding rods and electrodes : en fr
  • DE601252C - Device for continuously sprinkling fine-grained elastic materials into molds : de en
  • US1969031A - Housing for a vertical combustion power engine : en
  • US1969206A - Device for giving luminous signals, particularly adapted for aviation purposes : en
  • FR768456A - Low consumption five-stroke engine : en fr
  • DE601263C - Process for the manufacture of erosion-resistant turbine blades : de en
  • FR768594A - Extendable stand for camera and other uses : en fr
  • GB414443A - Improvements in machines for grinding valves of the mushroom or poppet type : en
  • US1969474A - Motion picture apparatus : en
  • DE1308398U - : de en
  • GB414497A - Improvements in or relating to the manufacture of caustic alkalis : en
  • GB414562A - Improvements in holders for match packages : en
  • CA343666A - Racquet stringer : en fr
  • DE601012C - Protective device for electrical machines : de en
  • US1969552A - Thread waxing device and wax pot therefor : en
  • US1968902A - Chuck construction for rock drills : en
  • US1969056A - Automatic train control system : en
  • GB414576A - Improvements in finishing textiles : en
  • US1968991A - Manufacture of transparent sheets or coatings : en
  • USD92990S - Design fob a ribbon ob a similar : en
  • US1969357A - Amino derivative of carboxy-alkoxy diphenyls : en
  • US1969444A - Dibenzothiocarbocyanine dye and process of preparing it : en
  • US1968885A - Dice throwing apparatus : en
  • US1969022A - Apparatus for the clarification of sewage liquid : en
  • DK49087C - Process for the preparation of an aqueous fat solvent emulsion. : da en
  • DE601089C - Fastening of sealing rings in shut-off devices : de en
  • FR768736A - Method and device for transmitting motion from a mechanical driving element to a driven element by means of elastic members : en fr
  • DE601135C - Device for developing blueprints : de en
  • AT138511B - Device for pulling root tips. : de en
  • US1969370A - Steam conditioner for locomotives and the like : en
  • US1969498A - Control system : en
  • US1969638A - Carburetor : en
  • US1969428A - Envelope : en
  • AT138519B - Regulation of the flow of flowing media in several parallel pipelines, each containing a throttle point and a controller, in particular for water treatment systems with pressure filters. : de en
  • USD92987S - Design fok a confectionery product : en
  • US1968961A - Fuel injection device for internal combustion engines : en
  • US1969462A - Pneumatic clutch actuator : en
  • GB414421A - Improved means for automatically opening gates and the like : en
  • GB414691A - Improvements in and relating to refuse-collecting vehicles : en
  • GB414629A - Improvements in the waist formation of trousers, skirts and like garments : en
  • GB414727A - Improvements in or relating to electric transformers : en
  • DE601084C - Process for coloring high molecular weight organic plastic masses : de en
  • DE601138C - Collapsible vehicle top, especially for cars : de en
  • FR768630A - High Current Fusible Plug Type Circuit Breaker Enhancements : en fr
  • FR768642A - Device for gradual gear change with forward and reverse without clutch : en fr
  • US1969560A - Automotive transmission : en
  • DE601107C - Butt connection for railroad tracks by means of a wedge-shaped insert : de en
  • GB414472A - Improvements in electric lamp holders : en
  • AU1501133A - Improvements in or relating to apparatus for cooling liquids : en
  • US1969506A - Orchard heater : en
  • US1968984A - Method and flux for autogenously welding magnesium and its alloys : en
  • FR768466A - Device for starting turbines with rotors rotating in opposite directions, with uneven distribution of power between the rotors : en fr
  • FR768555A - Device for adjusting the number of revolutions of shafts driven by a combustion or explosion engine : en fr
  • FR768678A - Three-cylinder squeezer, especially for tissue processing : en fr
  • CA343747A - Solvent processing : en fr
  • FR768667A - Improvements to compensating balancing devices that can be used in particular for radiological supports : en fr
  • US1968889A - Radio apparatus : en
  • US1968980A - Rotary steel plate printing machine : en
  • US1969284A - Means for packing fruit and the like : en
  • US1969182A - Well pump : en
  • US1969274A - Typewriting machine : en
  • US1969604A - Safety razor : en
  • US1968909A - Refrigeration : en
  • US1969500A - Locomotive eccentric crank and crank pin construction : en
  • US1969285A - Drive gearing for shovel cranes : en
  • USRE19267E - Method for separating the con : en
  • DE601067C - Process for utilizing the heat of roast gases : de en
  • CA343778A - Shifting device : en fr
  • DE601042C - Filling device for liquids with two vertically displaceable tubes : de en
  • DE601175C - Switching and drive device for gradually moving advertising tape : de en
  • US1969051A - Battery terminal : en
  • DE531126C - Method for sorting paper or the like in web or sheet form : de en
  • DE601137C - Automatic adjustment device for adjusting shock absorbers : de en
  • GB414440A - Improvements in direction signalling apparatus for use on road vehicles : en
  • FR768588A - Blower, intended in particular for vacuum cleaners : en fr
  • US1969248A - Exerciser : en
  • US1969226A - Centrifugal separator : en
  • DE601061C - Process for the production of sharp-edged dovetail pieces for the molding of briquette presses from high-quality steel sheets : de en
  • FR768524A - Improvement in double-turn security locks : en fr
  • GB414718A - Improvements in or relating to blasting explosive cartridges : en
  • US1969273A - Method of treating articles of celluloid and the like : en
  • AT138483B - Electrical display device for clutches, gear drives, etc. like : de en
  • CA343706A - Fence machine : en fr
  • FR768463A - Loudspeaker enhancements : en fr
  • FR768577A - platinum and hydrogen electrode, particularly intended for continuous measurement of the ph of liquids : en fr
  • AT138489B - Holder for socks and stockings. : de en
  • CA343859A - Abradant driving head : en fr
  • US1969466A - Ticket scale : en
  • US1968871A - Safety supporting means for brake beams : en
  • FR768564A - High breaking capacity calibrated fuse cartridge : en fr
  • GB414536A - Improvements in or relating to the manufacture of catalysts : en
  • GB414641A - An improved hydraulic coupling or brake : en
  • AT138506B - Circuit for regulating the volume. : de en
  • US1969495A - Power system : en
  • GB414530A - Improvements relating to electric cable joints : en
  • US1969330A - Tire cover : en
  • US1969688A - Fastener and method of manufacture : en
  • FR768558A - Improvements to film cameras : en fr
  • FR768662A - Improvements to rectifiers : en fr
  • FR768439A - Method for fixing photographic films on rigid supports : en fr
  • GB414420A - Improvements in miners' and like safety lamps : en
  • US1968987A - Combination electric clock and sign : en
  • US1969293A - Automatic timing switch for traffic signals : en
  • FR768507A - Improvements in inner tubes for motor vehicle wheels : en fr
  • US1969205A - Material discharge gun : en
  • US1969510A - Clothes drier : en
  • US1969475A - Film gate for motion picture apparatus : en
  • US1969231A - Automatic milling machine : en
  • US1969511A - Apparatus for automatically feeding bulbs : en
  • US1969281A - Contractible spool : en
  • AU1362033A - Improved portable powder sprayer or duster : en
  • US1969219A - Workholder for lens blanks : en
  • DE600031C - Device consisting of individual chambers for cooling the welding point of pipes with inner insulation to be connected by welding : de en
  • DE600997C - Double cuff button, releasable like a push button : de en
  • US1969123A - Apparatus for building up shore land and beaches : en
  • DE601066C - Press to separate razor blades perforated on the band from the intermediate, pre-notched piece : de en
  • GB414560A - Improvements in telephone plants for wireless transmission of communications : en
  • GB414632A - Improvements in and relating to the manufacture of laminated articles : en
  • FR768490A - Internal combustion engine cylinder block and crankcase : en fr
  • DE601180C - Eccentric device for lifting rain, dust and draft-proof window sashes : de en
  • US1968927A - Talking machine : en
  • US1969030A - Container : en
  • DE601153C - Device for encryption : de en
  • FR768616A - Improvements to circuit breakers : en fr
  • DE601144C - Switch with arc extinguishing by blowing with high tension gases or fumes : de en
  • GB414450A - Improvements in or relating to machines for grading or sorting articles by gravity : en
  • FR768523A - Automatic signaling system for moving vehicles applicable to railways, main roads and other traffic routes : en fr
  • FR768637A - Improvements to cold rooms : en fr
  • DE601131C - Cardboard container : de en
  • DE601164C - Furnace system for reducing ores and similar raw materials : de en
  • GB414558A - Improved process and apparatus for the continuous extraction or treatment of liquids : en
  • GB414508A - Improvements relating to arrangements for testing and adjusting selecting switches for automatic telephone and like selective systems : en
  • DE601187C - Brake circuit for asynchronous three-phase motors in hoists that work with different loads : de en
  • DK49093C - Spinning top. : da en
  • US1969312A - Structural unit : en
  • FR768569A - : fr
  • GB414572A - Manufacture of dicarboxylic acid chlorides : en
  • GB414480A - Improvements relating to water heaters : en
  • GB414599A - Telescopic tool for deep stamping : en
  • DE601243C - Pulling device for a device for tearing open and picking up old trackless bedding : de en
  • DE601275C - Process for the production of so-called cold glazes on artificial stone surfaces : de en
  • FR43701E - Vibrating armature regulators on dynamos : en fr
  • FR768408A - Improvements in fire direction devices for anti-aircraft guns : en fr
  • FR768693A - Burning continuous fire hearth : en fr
  • GB414568A - Improvements in systems for the telephonic distribution of time and other signals : en
  • GB414770A - Improvements in dyeing acetyl-cellulose and mixed materials containing acetyl-cellulose : en
  • US1969355A - 3-carboxy-4-alkoxy-4'-nitro-diphenyl : en
  • US1969448A - Photographic emulsion containing oxa-/-cyanines : en
  • GB414449A - Improvements in electric lamp and like fittings : en
  • FR768727A - Pump for gaseous fluids : en fr
  • GB414575A - Improvements in or relating to x-ray apparatus : en
  • AU1368533A - Improvements in barrel door closures in laundry washing machines : en
  • CA343689A - Turbine chamber charging apparatus : en fr
  • CA343764A - Laminated glass edge sealing apparatus : en fr
  • CA343849A - Tobacco pipe : en fr
  • US1969619A - Separator or classifier for ore pulp and the like : en
  • US1969641A - Screw cap for electric lamps : en
  • USD92972S - Design for a shoe : en
  • FR768451A - Improvements to variable speed mechanisms : en fr
  • FR768455A - How to mount rungs for wooden ladders : en fr
  • GB414475A - Improvements in or connected with electrical apparatus for heating air : en
  • GB414609A - Improvements in valve mechanism for controlling the discharge of granular material, beans and the like from drying apparatus : en
  • US1968985A - Vacuum controlled unloading valve : en
  • US1969322A - Treatment of mineral oils by heat : en
  • US1969535A - Electric distribution system employing mercury arc rectifiers : en
  • DE601027C - Equipment for cooling electrical machines : de en
  • US1969048A - Hand truck : en
  • US1969453A - Packaging method : en
  • US1969486A - Shaker : en
  • US1969531A - Pipe coupling : en
  • FR768643A - Absorption and recovery process : en fr
  • FR768694A - Improvements relating to motor vehicles and devices for lifting and moving these vehicles : en fr
  • US1969399A - Electron multiplier : en
  • GB414458A - Improvements in and relating to high pressure steam producers : en
  • CA343808A - Tarnish resisting silver : en fr
  • DE601048C - Method and device for the continuous production of dehydrated calcium chloride : de en
  • USD92962S - Design foe a sound amplifying : en
  • DE601134C - Cone mills with material return for the paper industry : de en
  • FR768501A - Improvements to extra-flat bed bases : en fr
  • FR768517A - Overlock sewing machine, with needle thread and hook thread regulator : en fr
  • GB414448A - Improvements in or connected with fastening devices : en
  • FR768519A - Method for determining shades of photographic developing images : en fr
  • US1969178A - Laundry machine : en
  • US1969484A - Reversible film for motion picture apparatus : en
  • GB414618A - Cork screw with cork catcher : en
  • DK49083C - Procedure for the manufacture of phosphatide products. : da en
  • FR768726A - Air cooling device for internal combustion engines : en fr
  • GB414550A - Improvements in or relating to leading-in insulators for metal vapour rectifiers : en
  • US1969634A - Turntable : en
  • DE601222C - Process for the hydrative splitting of organic substances such as coal, tar, mineral oil : de en
  • FR43738E - Process for preparing food creams : en fr
  • FR768582A - Lamp for acoustic inscriptions : en fr
  • FR768653A - Improvements to measuring devices operating by thermal effect : en fr
  • DE601239C - Process for thermodynamic energy storage : de en
  • DE601678C - Egg timer with alarm device : de en
  • US1968855A - Coloring of textile materials : en
  • US1969401A - Coin-controlled dispensing machine : en
  • US1969665A - Tube manufacture : en
  • FR768613A - Process for obtaining textile-rubber articles and resulting products : en fr
  • FR768559A - Process for manufacturing magnesia from dolomite : en fr
  • US1969508A - Shock absorber : en
  • DE601126C - Method to demonstrate a double-sided, tape-shaped, finite sound recording medium on an optical sound machine with episcopic scanning on both sides : de en
  • FR768486A - Rolling mill ironer for wide rolled strips : en fr
  • US1969239A - Automatic volume control for radiotelegraphy : en
  • DE601051C - Procedure for determining the location, etc. in ships, aircraft, etc. like : de en
  • FR768445A - Improvements to methods and apparatus for determining the viscosity of liquids or semi-fluids : en fr
  • US1969218A - Production of butyl alcohol by fermentation : en
  • US1969116A - Signaling device : en
  • US1969649A - Washing machine and drive therefor : en
  • GB414498A - Improvements in or relating to fireboxes and staybolts therefor : en
  • GB414754A - Device for regulating the voltage in alternating current lines : en
  • GB414595A - Improved air-cooling arrangement for the engines of motor vehicles : en
  • GB414573A - Manufacture of alkali salts of naphthalene-1-sulphonic acid : en
  • US1968974A - Vacuum cleaner floor tool : en
  • US1969487A - Insole : en
  • US1969621A - Heat insulation : en
  • US1969336A - Oven control : en
  • GB414552A - Cooling means for metal vapour rectifiers : en
  • CA343788A - Heat insulating wall : en fr
  • GB415046A - Improvements in and relating to the spinning of artificial silk threads : en
  • GB414478A - Improvements relating to spraying devices : en
  • GB414526A - Improvements relating to electric bells and like devices : en
  • FR768426A - Improvements made to the anchors to repair the wooden sleepers of the railway tracks and tools for the installation of these anchors : en fr
  • GB414566A - Improvements in or relating to roofs or arches : en
  • GB421107A - Improvements in or relating to flexible abrasive articles, sandpaper or the like, and processes of making same : en
  • US1969011A - Lock : en
  • US1969344A - Radio-phonograph control device : en
  • US1969442A - Decorticating machines for grain, rice, and similar cereals : en
  • GB414682A - Improvements in or relating to valves : en
  • FR43710E - Motor vehicle : en fr
  • GB414524A - Improvements in and relating to cooling systems for a vapour electric discharge device and a transformer connected thereto : en
  • GB414600A - Improvements in the remote control by wireless of unmanned signal stations : en
  • US1968999A - Stuffing box : en
  • DE601129C - Thread cutting machine with rotatable, intermittently switched clamping table : de en
  • GB414579A - Dies for cutting external screw threads : en
  • US1968900A - Marking machine : en
  • US1969518A - Measuring circuit : en
  • US1969608A - Process for the manufacture of oestrus hormone : en
  • DK49105C - Seaweed-like Serving Cutlery. : da en
  • US1969247A - Exerciser : en
  • US1969710A - Device for goggles and the like : en
  • US1969624A - Limit sliding gauge : en
  • GB414597A - Improvements in or relating to the preparation of fluorescent screen substances for cathode ray excitation : en
  • CA343717A - Cadmium extraction : en fr
  • US1969020A - Steam engine valve gear : en
  • DE584112C - Resistance arrangement for regulating the volume with changing the timbre for low-frequency currents : de en
  • US1969223A - Lock nut : en
  • AU1264333A - Coach latches : en
  • AT138539B - Velvet cutter with replaceable knife. : de en
  • CA343674A - Hair waving method : en fr
  • US1968946A - Furnace for the production of metal sponge : en
  • CA343685A - Kitchen cabinet : en fr
  • US1969130A - Truck : en
  • US1969494A - Unloading net for extractors : en
  • US1969581A - Apparatus for securing folded portions of packages : en
  • FR43717E - Improvements made in the manufacture of reinforced or non-reinforced pipes : en fr
  • FR768634A - Elastic spring coupling for controlling looms : en fr
  • FR768684A - Improvements to Automatic Gain Control Arrangements for Carrier Wave Receiving Systems : en fr
  • FR768474A - Crusher for papermaking : en fr
  • FR768406A - Reversible service : en fr
  • FR768749A - Method of introducing or injecting liquids into loose masses : en fr
  • GB414636A - Improvements in or relating to power transmission systems for vehicles : en
  • US1968992A - Apparatus for coating surfaces : en
  • US1969021A - Pyritic smelting and recovery of sulphur : en
  • IE12835L - Tobacco pipes. : en
  • IE13823L - Automatic firearms : en
  • USD92982S - Design fok a bukial vault : en
  • GB414506A - Improvements in multi-grid thermionic valves : en
  • GB414756A - Improvements in or relating to fuel burners : en
  • CA343697A - Ball bearing : en fr
  • AT138464B - Device for segregating z. B. disc-shaped metal elements of different, non-magnetic compositions, preferably of coins. : de en
  • CA343812A - Cascade super-regenerative circuit : en fr
  • FR768573A - Self-rotating chalk holder, on billiard cue processes : en fr
  • GB414666A - Improvements in gas meters : en
  • AT138475B - Sports hat. : de en
  • FR768537A - Removable waterproof swimming pool : en fr
  • GB414482A - Improvements in or relating to gas-holders : en
  • GB414490A - Improvements relating to fastenings for windows, doors, and the like : en
  • FR768670A - Device for trimming bores, bleeding internal circular grooves, etc. : en fr
  • GB414717A - The manufacture of fish liver oils : en
  • US1968944A - Three-color photography : en
  • US1969547A - Adjustable supporting device : en
  • US1969313A - Combination camp chair and rocker : en
  • US1969533A - Well cement mixer : en
  • US1969672A - Separable fastener slider : en
  • CA343696A - Guard rail fastener : en fr
  • CA343669A - Paper web slitting apparatus : en fr
  • CA343815A - Clutch : en fr
  • USD92980S - Design fob a coffee making appa : en
  • DE601105C - Process for the production of sulfamic acid derivatives of aldehydes : de en
  • US1969136A - Control system for stoker motors : en
  • CA343813A - Modulation system : en fr
  • DE601037C - Device for the demonstration of wandering writing on a housing, on the ceiling of which is illuminated with colored lights, puppets perform dance movements : de en
  • DE601152C - Process for the quick and easy cleaning of gel-like, inorganic and organic deposits : de en
  • DE601165C - Bearing metal made from a lead-rich copper alloy : de en
  • AT138543B - Fluid coupling or transmission or brake. : de en
  • FR768528A - Improvements to cylinder heads for internal combustion engines : en fr
  • US1969651A - Machine with oscillating rolling disks : en
  • US1968839A - Low voltage discharge tube : en
  • US1969078A - Suction boosting apparatus : en
  • US1969363A - Scale bearing : en
  • US1969629A - Adjustable clevis connecter for plows : en
  • US1968825A - Portable fire extinguisher : en
  • US1969062A - Railway sleeper : en
  • GB414456A - Improvements relating to variable speed mechanisms : en
  • GB414655A - An improved driving mechanism for driving horizontal drum mixers for mixing concrete and other granular materials : en
  • CA343710A - Reflecting and diffusing sign : en fr
  • US1969478A - Electric furnace : en
  • US1969430A - Refueling equipment : en
  • CA343721A - Scalp steamer : en fr
  • CA343765A - Spring washer : en fr
  • DE601095C - Fountain pen : de en
  • GB414477A - Improvements in and relating to safety razors : en
  • US1968956A - Colored photographic image and method of producing same : en
  • US1969084A - Traffic controlling system for railroads : en
  • US1968865A - Apparatus for cutting metal : en
  • US1969301A - Fuse holder : en
  • US1969476A - Applicator for surfacing materials : en
  • CA343713A - Worn rail building up method : en fr
  • CA343795A - Separable fastener : en fr
  • DE600961C - Device for signaling temperature increases : de en
  • US1969565A - Cooking stove : en
  • US1968862A - Air separator : en
  • US1969043A - Underfloor electrical distribution system and y fitting therefor : en
  • US1969530A - Apparatus for winding coils : en
  • US1969088A - Vehicle tire : en
  • US1969572A - Pipe welding clamp : en
  • GB414425A - Process for the manufacture of new plastic materials : en
  • AT138513B - Device for pushing back the cuticle. : de en
  • CA343843A - Door : en fr
  • FR43730E - Method of fixing the tubes in their fitting : en fr
  • FR768508A - Reinforcement tape puncher for letters and similar documents : en fr
  • GB414504A - Improvements in cameras for colour photography : en
  • GB414535A - Improvements in or relating to the production of webs, films and the like from artificial masses capable of being rendered plastic by heat or by solvents : en
  • CA343838A - Coating containing hydrocarbon polymers : en fr
  • GB414630A - Improvements in mercury arc devices : en
  • CA343762A - Thread supplying process : en fr
  • DE601154C - Process for drying compressed gas mixtures that are to be separated by liquefaction : de en
  • CA343698A - Duplicating machine : en fr
  • US1969390A - Grid trimming press : en
  • DE601162C - Method and device for compacting wood : de en
  • DE601098C - Method for monitoring the coordination of earth fault extinguishing devices : de en
  • US1968920A - Diaphragm lever and saddle mechanism : en
  • US1969477A - Nitrocellulose cement : en
  • AT138459B - Equipment on packaging for bales of fabric u. like : de en
  • DE601200C - Cattle wagons, especially for railways : de en
  • AT138547B - Two-stroke internal combustion engine. : de en
  • CA343825A - Carton assembling mechanism : en fr
  • AT138512B - Atomizers for dental purposes. : de en
  • US1969052A - Direction indicator : en
  • US1969424A - Organ : en
  • US1969311A - Turbine locomotive : en
  • DE601081C - Make-up pen container with hinged lid that serves as a sliding button : de en
  • AT138466B - Image control device on photographic or cinematographic recording apparatus. : de en
  • FR768646A - Improvements to processes and apparatus for closed-vessel disinfection under partial vacuum : en fr
  • GB414702A - Improved luggage bag and method of attachment of bag to bicycles, tricycles, motorcycles, and the like : en
  • GB414616A - Improvements in and relating to kerr cells : en
  • CA343785A - Rubber goods : en fr
  • FR768663A - New shoe using stamped soles : en fr
  • FR43746E - Improvements made to the lifting and turning devices of agricultural machinery and in particular of polysoc plows or the like : en fr
  • GB414556A - Improvements in devices for teaching arithmetic : en
  • US1969496A - Electric discharge device : en
  • DE601197C - Process for the esterification of cellulose by means of fatty acid anhydrides : de en
  • DE601279C - Filter candle : de en
  • DE601102C - Grinding machine used for post-treatment (lapping) of ground bodies : de en
  • DE601010C - Additional coin payment device with rotatable coin container for telephone systems : de en
  • DK49109C - Liquid Fuels of Oil Suspended Finely divided Coal and Procedure for its Manufacture. : da en
  • AU1347833A - Improved collapsible chair : en
  • FR768700A - Frame for toiletry bags, kits and similar items : en fr
  • DE601044C - Computer and switchgear for fire control, especially on ships : de en
  • GB414624A - Improvements in or relating to systems comprising one or more gasfilled discharge tubes supplied from a source of alternating current : en
  • IE13511L - Cooling of emulsions, dispersions, suspensions etc. : en
  • FR768535A - Zipper closure : en fr
  • FR768601A - Axle mounting for independently guided wheels : en fr
  • DE601213C - Receiving device for the remote display of measured quantities according to the pulse frequency method : de en
  • DK49082C - Receiver or Transmitter for Use in Submarine Sound Transmission. : da en
  • DE601076C - Method for generating a combined rotating and swiveling movement of the electrode during arc welding : de en
  • FR768599A - Oil-insulated transformer : en fr
  • GB414431A - Improvements in and relating to screening, sifting and grading apparatus : en
  • US1969429A - Game of skill : en
  • US1968864A - Pump controlling apparatus : en
  • US1969652A - Automatically controlled refrigerating system : en
  • USD92985S - Design for a bottle : en
  • USD92953S - Design fok a bottle : en
  • US1968890A - Fire screen : en
  • US1969184A - Broiler, toaster, and the like : en
  • US1969574A - Thermostat bellows assembly : en
  • DE571249C - Portable band saw : de en
  • DE590535C - Procedure for moving the flash light while it is burning : de en
  • GB414515A - Improvements in electric connecting devices of the plug and socket type : en
  • DE601006C - Scraper conveyor with separable upper and lower troughs : de en
  • FR768597A - Steering device for guiding frame of tracks of tracked vehicles tilting about a horizontal transverse axis : en fr
  • FR768713A - Process for manufacturing branch brushes and their solid attachment to the handle or rolls of mechanical sweepers for the road service and machine for implementing this process : en fr
  • GB414663A - Improvements in or relating to the optical inspection of screw threads : en
  • US1968914A - Rubber composition and method of preserving rubber : en
  • DE601166C - Counter for billiards : de en
  • DE601171C - Welded pipe connection : de en
  • DE601083C - Knothole bits : de en
  • FR43705E - Improvements to processes and apparatus for the manufacture of safety glass : en fr
  • FR768738A - Whistle : en fr
  • US1969005A - Apparatus for the directional transmission and reception of wave energy : en
  • DE601179C - Door lock : de en
  • US1969300A - Permanent hair waving apparatus : en
  • CA343757A - Coal dispersion in oil : en fr
  • FR768683A - Method and device for joining parts together, particularly applicable to spark plugs : en fr
  • FR768503A - Improvements to illuminated signs : en fr
  • FR768676A - Improvements made to applicable means, in particular to fight fires and destroy harmful gases : en fr
  • US1969174A - Apparatus for blowing wells : en
  • DE601258C - Attachment for photographic filters : de en
  • FR768572A - Baguette-cut cardboard packaging for the transport of fruits, vegetables, flowers and others : en fr
  • FR768697A - Improvements to scourers for steam generators : en fr
  • DE601265C - Device for interrupting electrical currents : de en
  • US1969190A - Extendible top structure for tables : en
  • FR768645A - Improvements in high frequency cable telephony : en fr
  • GB414489A - Improved steel wire or cable for use in capturing whales : en
  • US1969315A - Radiator : en
  • US1969527A - Knee protector : en
  • FR768498A - Paver and its manufacturing process : en fr
  • FR768552A - Process and apparatus for the treatment of boron ores : en fr
  • FR768567A - Metal steam discharge vessel : en fr
  • FR768722A - Gooseneck hand lance with converging jets : en fr
  • US1969697A - Surveying instrument : en
  • DE601156C - Air gas generator for low-viscosity fuels : de en
  • US1968962A - Hammer operating with a variation in atmospheric pressure : en
  • US1969270A - Fastener : en
  • FR43719E - Photoelectric cell : en fr
  • FR768598A - Electrical switches : en fr
  • GB414645A - Improvements in and relating to boxes or receptacles for powders : en
  • FR768659A - Manufacturing process of cellular materials and resulting materials : en fr
  • GB414460A - An improved travelling case or container for hats, shoes and the like : en
  • FR768639A - Advanced engine : en fr
  • FR768457A - Device for stapling brush straws : en fr
  • FR43731E - Adjustable stretchers trolley : en fr
  • FR768620A - Method of superficial consolidation of the soil and formation of coatings for roads, pavements and other soils and tool for its application : en fr
  • GB414683A - Improvements in or relating to gas fires : en
  • FR768494A - Improvements to chain unwinding devices by braking the beam : en fr
  • GB414453A - Process for the manufacture of aminonaphthol sulphonic acids containing residues of bile acids and for the manufacture of dyestuffs therefrom : en
  • DE601073C - Procedure for eliminating interference noises in telecommunication cables caused by neighboring power lines : de en
  • US1969002A - Garage floor construction : en
  • US1969092A - Windshield cleaner motor : en
  • US1968843A - Treatment of sludge : en
  • US1969034A - Switch : en
  • US1969397A - Production of compound glass : en
  • FR43703E - Lubricants and process for their preparation : en fr
  • US1969252A - Manufacture of hollow rubber articles : en
  • GB414551A - Improvements in or relating to the fixing of anode protection means in metal vapour rectifiers : en
  • CA343761A - Colour photography : en fr
  • FR768441A - Control device for combine harvester elevators : en fr
  • FR768668A - Motor device for maneuvering and locking a non-heelable switch with electrical and mechanical control of the needle tips : en fr
  • US1968866A - Gauge : en
  • US1969473A - Light-filtering overcoating : en
  • CA343759A - Rubber vulcanization : en fr
  • USD92943S - Design for a souvenir medal : en
  • DE601233C - Fire protection device on cinema playback machines : de en
  • DE601111C - Installation on weight-dependent rail brakes with hydraulic lifting device : de en
  • DE601148C - Method of manufacturing window box parts : de en
  • FR768618A - Coating product for welding rods and electrodes and rods and electrodes coated with said product : en fr
  • FR768669A - Improvements to granulated material couplings : en fr
  • US1968948A - Wind deflector : en
  • US1969101A - Manufacture of rubber articles : en
  • US1969165A - Exercising device : en
  • CA343766A - Totalisator mechanism : en fr
  • GB414593A - Improvements in cooling fans or blowers : en
  • GB415048A - Improvements in and relating to appliances for preparing anaesthetics : en
  • GB414583A - Improvements relating to tables : en
  • FR768510A - Device for sharpening the blades of so-called safety mechanical razors : en fr
  • DE601177C - Device for spherical grinding on cylindrical grinding machines : de en
  • US1969680A - Apparatus for musical reproduction : en
  • AT138529B - Steam or gas-filled discharge tube for continuously controlled strong currents. : de en
  • US1969091A - Measuring and dispensing device : en
  • FR768568A - Skid for tracked vehicles : en fr
  • DE601094C - Hinge or fish strap : de en
  • FR768621A - Dispensing device : en fr
  • GB414725A - Improvements in or relating to variable speed gear : en
  • FR768530A - Metal sleeper for railways and its manufacturing process : en fr
  • US1968934A - Furnace : en
  • US1968993A - Slope-retainer : en
  • DE601151C - Suspension hooks for hanging files consisting of two parts that are articulated together : de en
  • DE601253C - Plasticizers : de en
  • US1969264A - Method of reducing metals from oxidized materials : en
  • US1969656A - Knockdown scaffolding : en
  • DE601063C - Conveyor device for band-shaped workpieces that are to be processed in a continuous operation : de en
  • DE600991C - Process for the production of radioactive irradiation preparations : de en
  • FR768505A - Use of pipes carrying water, gas, oil, etc., to transmit signals, voice and sounds at a distance, either by acoustic waves or by electromagnetic waves : en fr
  • FR768488A - Eyeshadow bracelet : en fr
  • FR768615A - Box with handle : en fr
  • US1969579A - Flash remover : en
  • US1969418A - Apparatus for quick freezing of articles : en
  • US1969054A - Electrolytic method and apparatus : en
  • GB414620A - Improvements in luminous electric discharge tubes : en
  • DE600993C - Braiding made of synthetic horn (casein) : de en
  • DE601106C - Disk-shaped copy device : de en
  • AU1365633A - Means for supporting attachments for vacuum cleaners : en
  • US1969333A - Bathing suit : en
  • US1969544A - Plug receptacle : en
  • US1969623A - Centrifugal casting machine : en
  • DE601110C - Triggering and tilting device for box tippers : de en
  • US1968947A - Electric starting motor for internal combustion engines : en
  • US1969104A - Freezing and dispensing device : en
  • CA343742A - Fermentation glycerol : en fr
  • USD92954S - Design foe a curtain : en
  • DE601019C - Process for the production of asphalt compounds : de en
  • CA343818A - Sintering machine pallet : en fr
  • US1969060A - Railway traffic controlling system : en
  • US1969509A - Safety razor : en
  • AU1636334A - A window assembly for vehicle body ventilation : en
  • CA343704A - Electric rectifier : en fr
  • CA343719A - Paper broke reconditioning apparatus : en fr
  • US1968942A - Friction shock absorbing mechanism : en
  • US1969611A - Blade sharpening device : en
  • AT138484B - Method and device for the production of cylindrical socket or flanged high pressure pipes from asbestos cement or other building materials. : de en
  • US1969277A - Glass composition for electrical discharge devices : en
  • CA343684A - Filament and fabric processing : en fr
  • US1969342A - Fenestrated endoscopic instrument : en
  • US1969410A - Precast burial vault : en
  • AT138454B - Recoil gun. : de en
  • CA343690A - Lock nut threading system : en fr
  • DE601160C - Cookers, in particular travel cookers : de en
  • AU1314133A - Improved method of preserving rubber and the product of such method : en
  • AU1406133A - Improved yeast or yeast preparation for use inthe making of leavened bread andthe like : en
  • CA343822A - Envelope scoring mechanism : en fr
  • CA343723A - Power amplifying and positioning apparatus : en fr
  • DE601119C - Slip clamp for overhead lines : de en
  • US1969083A - Apparatus for molding articles from plastic material : en
  • US1969096A - Alternating current relay : en
  • DE601143C - Pack specially designed for cigarettes : de en
  • FR768425A - A method of operating positive light column gas discharge tubes, in particular metal vapor lamps for television : en fr
  • GB414533A - Improvements in or relating to apparatus for grinding or polishing plain or proflled bodies : en
  • DE601170C - Welding socket connection with relieved welding joint : de en
  • US1968840A - Automatic slitting fixture for piston rings : en
  • FR768480A - Improvements to the gears of agricultural machinery : en fr
  • GB414444A - Improvements in or relating to regulating means for electrical powersystems : en
  • GB414598A - Railway wagon with removable part forming a trailer for transportation by road : en
  • GB414640A - Improvements in or relating to sewing machines : en
  • GB414679A - Apparatus for playing a game simulating golf : en
  • CA343852A - Building : en fr
  • US1969208A - Method for branding pork loins : en
  • US1969431A - Safety tool joint : en
  • US1969035A - Spur gear rotary machine : en
  • US1969468A - Preparation of halogenated fatty acid esters of cellulose : en
  • US1968981A - Bag closure : en
  • CA343731A - Cemented tantalum carbide : en fr
  • CA343772A - Machinery packing : en fr
  • AT138546B - Finned tube for flue gas preheater. : de en
  • AT138485B - Method and device for the production of hollow bodies from difficult-to-melt material. : de en
  • GB414516A - Improvements in and connected with golf clubs : en
  • DE601195C - Clothes line post with line tensioning device : de en
  • US1969192A - Rotary engine and pump : en
  • US1969647A - Contour copying machine : en
  • DE601057C - Fuel supply for injection pumps : de en
  • US1969143A - Sound recording apparatus : en
  • US1969200A - Wing structure : en
  • US1969394A - Means for facilitating the cutting of laminated glass : en
  • US1968852A - All-phase motor : en
  • FR768424A - Improvements to discharge devices in a vaporizable medium : en fr
  • GB414696A - Improvements in reflectors for use in connection with a combined light and heat radiator for medical purposes : en
  • US1969346A - Electric condenser : en
  • DE601005C - Wrapping machine in which the object is wrapped with a cover and a printed tape : de en
  • DK49107C - Procedure and Device for Manufacturing Bodies of Fibrous Porridge. : da en
  • GB414548A - Improvements in protective devices for commercial oil heating systems : en
  • US1968887A - Method of making rubber articles : en
  • US1969236A - Manufacture of bleaching powder : en
  • AT138505B - Low frequency amplifier. : de en
  • GB414571A - Improvements in valve jacking devices : en
  • GB414514A - Improvements in or relating to lure carriers for use on dog racing tracks : en
  • GB414750A - An improved tilling attachment of the rotary tilling machine type : en
  • US1969637A - Ophthalmic mounting : en
  • FR768492A - Gear shift mechanism with any adjustable transmission ratio : en fr
  • CA343662A - Sausage casing : en fr
  • US1969269A - Furfuryl xanthate and process of making it : en
  • US1969536A - Apparatus for controlling the thickness of strip material : en
  • US1969686A - Preparation of hexachlorophenol : en
  • US1968968A - Electric control system : en
  • US1969112A - Cigarette dispensing device and associated mechanism : en
  • US1969639A - Threshing apparatus with vertical drum : en
  • US1969528A - Radio control device : en
  • AT138469B - Cash register with immediate total printing. : de en
  • FR768431A - Advanced bidet-water-closet : en fr
  • GB414704A - Improvements in or relating to knitted fabric and to methods of and machines for producing such fabric : en
  • DE601101C - Roller with rocker drive : de en
  • DE601284C - Electrical resistance with a resistance layer on the outside of an insulating carrier : de en
  • CA343734A - Lamp filament coating apparatus : en fr
  • GB414623A - Improvements in radio tube shields : en
  • GB414723A - Improvements in and relating to fumigating apparatus : en
  • US1968808A - Dough feeding appliance and the like : en
  • US1968815A - Apparatus for fusing and spraying substances : en
  • US1969709A - Siccative composition : en
  • US1968960A - Heat treatment of manganese hard steel objects : en
  • US1969216A - Anthraquinone-acridone derivatives and process of preparing the same : en
  • US1969049A - Folding machine : en
  • US1969371A - Fuel burner : en
  • DK49089C - Dustproof Wheel Hub. : da en
  • US1969076A - Compressor : en
  • US1969256A - Acoustic instrument : en
  • US1969308A - Manufacture of aqueous dispersions : en
  • US1969381A - Method and apparatus for treating gases : en
  • DE601068C - Process for the production of sodium oxalate with simultaneous production of ammonium chloride : de en
  • US1969497A - Manufacture of rubber bonded abrasive articles : en
  • US1969570A - Rotary cylinder structure : en
  • US1969539A - Pneumatic and like tool : en
  • US1969584A - Cutting table : en
  • GB414711A - Improvements in and relating to metallic diaphragms : en
  • CA343809A - Audio frequency circuit : en fr
  • DK49099C - Movement mechanism at Liquid Vending Machines. : da en
  • FR768423A - Elastic system for all types of seating and rest furniture : en fr
  • US1969055A - Relay : en
  • FR768545A - Device for measuring blood pressure : en fr
  • DE601201C - Device for automatically holding open release valves : de en
  • FR768458A - Improvements to variable-pitch propellers : en fr
  • GB414610A - Improvements in tunnel kilns : en
  • DE601220C - Process for reinforcing individual parts of wooden objects, in particular batons for looms, and baton manufactured according to this process : de en
  • FR43739E - Method and machine for the simultaneous automatic mounting of staples on the two tapes of a rack fastener : en fr
  • GB414538A - Improvements in skirts, trousers, breeches and the like wearing apparel : en
  • FR768448A - Place guard device : en fr
  • GB414690A - An improved means for effecting ram-adjustment in presses : en
  • DE601013C - Current transformer for electrical differential protection : de en
  • DE601145C - Method for monitoring earth fault extinguishing devices in high-voltage networks : de en
  • FR768623A - Balanced control device with automatic shutdown for the remote control and possibly of several points, of curtains, stage curtains, stage sets and similar applications : en fr
  • FR768562A - Machine for continuously twisting profiled metal wires : en fr
  • DE601114C - Transmission method for picture telegraphy and television : de en
  • DE601227C - Impedance response element for distance relay : de en
  • FR43727E - Direct view windshield through the air : en fr
  • GB414549A - Improvements in and relating to automatic prepayment apparatus : en
  • GB414587A - Winch for the operation of grabs, buckets and the like : en
  • GB414605A - Improvements in the method of manufacture of antiseptic cotton or dressings : en
  • DE601100C - Photographic roll film : de en
  • US1969618A - Process for reclaiming and reconditioning saws : en
  • FR768719A - On and off switch for all electric currents and can be used in particular for motor vehicles : en fr
  • GB414772A - Improvements in the manufacture and production of substances suitable as wetting, washing, dispersing and like agents : en
  • FR768442A - Device for supporting and lubricating the rake control of the harvester-binders : en fr
  • FR768665A - Improvements to antiptosic belts and similar belts : en fr
  • US1969298A - Obturating and distributing appara : en
  • US1969660A - Machine for applying reenforcing and sealing tapes : en
  • AT138504B - Logarithmic calculator. : de en
  • DE600983C - Process for the production of optically active mentholes : de en
  • DK49095C - Coin compartment for picking up Return Coins in a Vending Machine or similar. : da en
  • FR768714A - Optical system giving continuously variable light deflection : en fr
  • FR768591A - Turntable more particularly intended for domestic use : en fr
  • US1969542A - Electrical distribution system : en
  • DE601130C - Dust-proof sewing machine cabinet : de en
  • CA343787A - Plastic clay product : en fr
  • AT138452B - Printing unit for juicers. : de en
  • CA343797A - Separable fastener : en fr
  • US1968898A - Tie holder : en
  • US1969485A - Projection screen : en
  • US1969590A - Dispensing apparatus for tablets and the like : en
  • US1969385A - Measuring device : en
  • US1969573A - Electrical measuring system : en
  • US1969580A - Food server : en
  • CA343779A - Hose coupling : en fr
  • AU1250633A - Improvements in electric rotary machine systems : en
  • US1969036A - Floor treatment device : en
  • US1969107A - Display stand : en
  • US1969469A - Photographic color process : en
  • US1969601A - Potato rack : en
  • US1969283A - Process of coating road aggregates : en
  • DE601217C - Cord powered, sparking toy : de en
  • CA343735A - Fan : en fr
  • CA343664A - Bottle corking lever : en fr
  • DK49091C - Floor bushing for Central heating pipes and the like. : da en
  • US1968930A - Ignition system : en
  • US1969383A - Card punch : en
  • US1969523A - Sand mixer : en
  • DE601173C - Heat sensor for controller : de en
  • AT138503B - Process for obtaining ultraviolet and luminous radiations of controllable composition and means for their application. : de en
  • AT138542B - Handbag closure. : de en
  • AT138522B - Denture plate. : de en
  • US1969501A - Apparatus for consuming finely divided fuel : en
  • US1969240A - Thermostatic device : en
  • CA343811A - Modulator : en fr
  • CA343744A - Fungicide : en fr
  • US1969648A - Freewheeling clutch throw-out device : en
  • AT138533B - Device for aligning and sealing composite windows and doors. : de en
  • CA343727A - Electro-chemical process : en fr
  • DE601113C - Circuit for turnout and signal drives : de en
  • US1969364A - Pivot block : en
  • US1969388A - Lock for burglar alarms : en
  • CA343777A - Plunger settle air combination : en fr
  • US1968922A - Process of coating : en
  • US1968939A - Grading machine for fruits and vegetables : en
  • US1969366A - Fluid flow controller : en
  • US1969628A - Ladder : en
  • US1969413A - Container : en
  • US1969131A - Truck bolster : en
  • DK49086C - Device for preventing the occurrence of damage by radiations emanating from earth currents. : da en
  • US1968811A - Tire chain : en
  • US1969350A - Automobile lock for gear shift levers : en
  • US1969373A - Boiler drum and tube extension : en
  • US1969441A - Cap for cap spinning machines : en
  • US1968941A - Apparatus for separating sheets of paper or other material while traveling in the same direction : en
  • US1969447A - Method of preparing it : en
  • US1969407A - Electrically lighted toy : en
  • CA343728A - Shuttlecock : en fr
  • USD92979S - Design for a cabinet for an air con : en
  • US1968906A - Production of aryl mercapto compounds : en
  • US1969099A - Manufacture of highly refractory products : en
  • US1969633A - Television apparatus : en
  • US1969001A - geier : en
  • US1969272A - Linoleum and its manufacture : en
  • US1969422A - Treatment of coals, tars, mineral oils, and the like : en
  • USD92946S - Design for an electric stove : en
  • US1969520A - Electric motor : en
  • US1969045A - Multiple recorder : en
  • US1969176A - Washing machine : en
  • US1969362A - Sorting machine : en
  • US1969597A - Typewriting machine : en
  • US1968998A - Corn combine : en
  • AT138532B - Reinforced concrete window sill supports in radiator niches. : de en
  • CA343695A - Wheel plate : en fr
  • FR768732A - Manufacturing process and method of applying bodies useful in the treatment of textiles : en fr
  • CA343810A - Electrical communication system : en fr
  • FR768522A - Sampling device, especially for colors, varnishes or other similar applications : en fr
  • US1969249A - Gasoline : en
  • FR768541A - Control by multiple electric motors, comprising asynchronous motors with stators and rotors respectively in parallel, particularly intended for multiple carding machines : en fr
  • FR43706E - Improvements to glasses : en fr
  • DE1308401U - : de en
  • DE601122C - Thread clamping device for knitting machines, especially circular knitting machines : de en
  • DE601221C - Chain guards : de en
  • FR768638A - Electro-dynamic speaker : en fr
  • GB414509A - Improvements in cartons for powder and the like : en
  • GB414626A - Improvements in rotary engines : en
  • DE599790C - Hot drawing bench (hot drawing bench) plant : de en
  • FR768606A - Coating apparatus intended primarily for the spreading application of aqueous dispersions of rubber or the like : en fr
  • DE601261C - Figure-depicting rubber rubber toys vulcanized into molds : de en
  • US1969328A - Radio transmitting circuit : en
  • US1969063A - Grinding machine : en
  • US1969276A - Merchandise handling system : en
  • DE600854C - Safety valve : de en
  • CA343683A - Soft drink composition : en fr
  • DE601075C - Ventilation device for electrical machines : de en
  • GB414553A - Improvements in and relating to the production of resistor elements of wire for electrical heating apparatus : en
  • FR768413A - Application of electric heating to water heating radiators by separate circulation boiler : en fr
  • FR768633A - New manometric device and its applications : en fr
  • FR768534A - Insulator fastener with screw application either barbed and double thread or barbed and single edge : en fr
  • AT138534B - Spindle bearing. : de en
  • CA343676A - Filament manufacture : en fr
  • CA343770A - Necktie : en fr
  • FR768546A - Method and device for taking and projecting relief views : en fr
  • DE601023C - Railway superstructure with sleepers laid at an angle to the axis of the rail line : de en
  • US1968894A - Combined typewriting and computing : en
  • US1969029A - Process of constructing a lens mounting : en
  • US1969160A - Banding machine : en
  • US1969163A - Control means for gas burners : en
  • FR768436A - Dog leash or other similar applications : en fr
  • DE601212C - Shift lever assembly on motor vehicles : de en
  • US1969657A - Method of and means for reducing electrical disturbances : en
  • US1969674A - Scrubbing and mopping device : en
  • GB414554A - Improvements in and relating to the walls of pipes and containers subjected to high temperatures : en
  • GB414518A - Improvements in valves : en
  • FR768437A - Toy : en fr
  • GB414643A - Improvements in electric muffle furnaces : en
  • FR768544A - Brake for cycles, tri-carriers or other cycles : en fr
  • US1969027A - Lip stick holder or the like : en
  • US1969481A - Manufacture of ground glass surface on film support : en
  • AT138457B - Tube with a device for spreading the contents. : de en
  • CA343790A - Basic alum : en fr
  • DE601053C - Process for the continuous winding of coils intended for electrical equipment from disc windings, which are alternately wound from the inside to the outside and from the outside to the inside : de en
  • DE601219C - Synchronous small motor with automatic starting device : de en
  • FR768735A - Liquid line electric circuit breaker : en fr
  • GB415047A - Improvements in or relating to electrical devices for the heating of rooms : en
  • GB414493A - Improvements in and relating to horse shoes : en
  • DE601250C - Hollow roof tiles : de en
  • GB414469A - Improvements in or relating to turning lathes : en
  • FR768415A - Improvements to television devices : en fr
  • FR768557A - Improvements to photographic magnifiers : en fr
  • GB415090A - Improvements in or relating to knitting machines : en
  • FR768422A - Shuttle change mechanism for looms : en fr
  • FR768746A - Continuous diffusion method and device : en fr
  • GB414638A - Improvements in or relating to hatching appliances : en
  • FR768561A - Front-end improvements for agricultural machinery : en fr
  • GB414578A - Improvements in concrete mixers : en
  • US1968806A - Electromagnetic phonograph recorder : en
  • US1969502A - Process for treating hydrocarbon oils : en
  • US1969046A - Vibration dampener and isolator : en
  • CA343835A - Shoe manufacture : en fr
  • FR768635A - Auxiliary control device of a power transmitter vehicle axle : en fr
  • GB414464A - Improvements in and relating to adjustable chairs and settees : en
  • US1969575A - High tension cut-out : en
  • AT138496B - Sport dress. : de en
  • AT138517B - Device for the projection of images that are supplemented during the projection period. : de en
  • CA343817A - Typewriter : en fr
  • FR768416A - Improvements in cooling dairy products or other liquids after heating : en fr
  • FR768581A - Improvements to explosion turbines : en fr
  • FR768600A - Combined collar and tie : en fr
  • DE601069C - Process for the continuous production of acetic acid from acetaldehyde : de en
  • FR768673A - Wear-resistant machining material for manufacturing cylinder inner liners for various engines : en fr
  • FR768405A - Thermometer for measuring the resulting dry temperature : en fr
  • AT138495B - Device for the reproduction of cinema films. : de en
  • AT138544B - Valve control for piston engines. : de en
  • US1968860A - Fiber cleaning machine : en
  • US1969090A - Centralized traffic control system : en
  • US1969337A - Locomotive tender : en
  • GB414500A - Improvements in and relating to hydraulic transmission devices : en
  • FR768493A - Industrial heating installation in which the altar is fitted with devices to bring air into the hearth : en fr
  • FR768515A - Adjustable press in front of the platen bar, for straight knitting machines : en fr
  • US1969280A - Propeller : en
  • US1969295A - Radiator flushing valve : en
  • US1969675A - Prepayment mechanism for gas and similar meters : en
  • US1968848A - Printing machine : en
  • US1969296A - Calculating device : en
  • FR768592A - : fr
  • DE601055C - Process for digesting chromium, molybdenum, tungsten or vanadium ores or other goods containing these elements : de en
  • DE601198C - DEVICE FOR RECOVERING FEED WATER CONDENSATE AND HEAT FROM DUSTY VAPOR : de en
  • FR768789A - Apparatus for fabric manufacturing : en fr
  • DE600848C - Filler pencil with a spring-loaded push rod : de en
  • FR768611A - Foldable coat rack : en fr
  • US1969396A - Production of metallic articles : en
  • US1969644A - Aeration of fluids : en
  • FR768509A - Sand jet molding machine : en fr
  • US1969085A - Automatic lead pencil : en
  • US1969228A - Air inlet device : en
  • US1969404A - High pressure greasing apparatus for motor vehicles and the like : en
  • US1969598A - Automatic gate for trolley buckets and the like : en
  • FR768454A - Window envelope : en fr
  • FR768499A - Process for the manufacture of artificial silk and similar products from cellulose esters : en fr
  • FR768585A - Production of titaniferous precipitates : en fr
  • FR768680A - Folding chair : en fr
  • FR43707E - Wrist strap holder : en fr
  • CA343703A - Electric rectifier : en fr
  • GB414473A - Improvements in and relating to boxes or frames, more particularly intended for advertising signs : en
  • FR768571A - elements for metal panels or others : en fr
  • FR768518A - Device for mixing and humidifying air or gas : en fr
  • FR768649A - Further development of multi-pole, quick-breaking, rocker-type electrical switches : en fr
  • FR768655A - Improvements in the detection of temperature variations : en fr
  • GB415029A - Improvements in or relating to clutches : en
  • FR768689A - Smoke-eating grill : en fr
  • DE601034C - Device for regulating the delivery rate of a pump, in particular a fuel injection pump : de en
  • US1969326A - Refrigerator temperature control : en
  • US1969073A - Mechanism for straightening sheet material : en
  • US1969125A - Building system : en
  • US1969199A - Pack carrier : en
  • FR768724A - Motor vehicle : en fr
  • DK49096C - Device for immersion of sown plants, in particular cereal plants. : da en
  • FR768652A - Improvements in the manufacture of hernial bandages using plastics : en fr
  • USD92951S - Design for a spoon or other article : en
  • DE600931C - Device for limiting conversation time, especially for coin-operated telephones : de en
  • DE601183C - Process for the production of ignition compounds : de en
  • GB415026A - Improvements in and relating to blasting cartridges and to devices for use therewith : en
  • DE601093C - Fitting with sharp teeth to be driven into the base : de en
  • US1969242A - Method of dispersing solids : en
  • DE601062C - Device for the return of the bounce fluid to the bounce space in hydraulic sheet metal holders for sheet metal drawing presses : de en
  • CA343739A - Carboxylic acid : en fr
  • DE580118C - Drift for the production of cast concrete sheet piling in the ground : de en
  • DE601056C - Fuel injector : de en
  • GB414432A - Improvements in roof-supporting corrugated bars or straps and sheets for use particularly in underground workings : en
  • CA343760A - Magnesium base alloy : en fr
  • US1969050A - Sounding toy : en
  • US1969482A - Cellulose organic ester composition containing an ester of maleic acid : en
  • US1969541A - Electrical protective system : en
  • USD92950S - Design for a combined clock case : en
  • DE601049C - Preheater with tube bundle arranged perpendicular to the steam flow : de en
  • US1969654A - Drill socket construction : en
  • US1969220A - Article holder for service trays and stands : en
  • US1968818A - Tape control for projectors : en
  • US1969139A - Golf practice device : en
  • US1969164A - Crinkled coated surface : en
  • GB414577A - Improved method of hot working and more particularly of melting and casting, magnesium, magnesium waste, and magnesium alloys : en
  • DE601124C - Compression mold : de en
  • FR768602A - Pump dispenser for liquids : en fr
  • US1969186A - Tank gauge : en
  • DE601193C - Pneumatic loading device for tube dryer : de en
  • US1969504A - Desuperheater control : en
  • US1969338A - Stoker : en
  • DE601282C - Arrangement for spark extinction for a relay that switches on and off quickly : de en
  • US1968845A - Process for producing activated carbon : en
  • US1968896A - Retort oven : en
  • GB414510A - Improvements in and relating to control systems for electric discharge lamps : en
  • GB414527A - Improvements in and relating to thermoplastic compositions : en
  • US1969490A - Pneumatic suspension device : en
  • USD92966S - Design fob a shoe : en
  • US1969124A - Brine solution : en
  • US1969306A - Means for illuminating telephone dials and directories : en
  • USD92960S - Design for a battery servicing kit : en
  • GB414511A - Improvements in and relating to electric immersion heaters : en
  • FR768428A - Universal hose clamp with non-perforated metal tape : en fr
  • FR768723A - Improvements to heavy oil burners, particularly those operating by natural draft : en fr
  • GB414481A - Improvements in and relating to power shafts and sleeve elements therefor : en
  • DK49101C - Apparatus for Receiving High Frequency Waves. : da en
  • US1969667A - Treating of material in the form of strands : en
  • FR43732E - Improvement in fungicide and insecticide preparations for plants : en fr
  • CA343691A - Silk stocking : en fr
  • GB414670A - Improvements in or relating to electric blasting fuses : en
  • FR768679A - Germination material : en fr
  • FR768459A - Automatic binder : en fr
  • FR768547A - Hair waving device : en fr
  • US1969071A - Apparatus for the manufacture of rubber tubes : en
  • US1969127A - Apparatus for treating rubber slabs : en
  • US1969203A - Hose coupling and method of making the same : en
  • AT138509B - Process for the production of permanently stable, concentrated calcium solutions that can also be injected intramuscularly without tissue irritation. : de en
  • AU1586234A - Improvements in and relating to electrical fuses : en
  • US1969458A - Apparatus for moving motion picture film : en
  • US1969658A - Thermionic tube : en
  • US1969387A - Cleansing and polishing preparation : en
  • US1969159A - Brake mechanism : en
  • US1968857A - Pipe cutter : en
  • US1969061A - Cobalt titanate and method of making same : en
  • US1968913A - Method of removing primary aromatic amines from aqueous solutions : en
  • US1969161A - Automobile brake : en
  • US1969689A - Manufacture of artificial filaments : en
  • FR768412A - Double Thread Screw Threading Machine : en fr
  • FR768533A - Elastic coupling for smooth power transmission between two shafts : en fr
  • DE600930C - Circuit arrangement for remote offices : de en
  • DE601099C - Device for the rapid de-energization of electrical machines : de en
  • US1969454A - Artificial silk : en
  • US1969461A - Display apparatus : en
  • AU1620634A - Process of making soap and glycerine : en
  • US1969234A - Well head assembly : en
  • US1969000A - Dandy roll : en
  • US1969013A - Toggle clip : en
  • US1969670A - Removal of wax from hydrocarbon oil : en
  • US1969365A - Attachment for scale platforms : en
  • US1969106A - Adhesive applying and registering mechanism : en
  • US1969343A - Rail tie : en
  • US1969479A - Method of producing color photographic images by development : en
  • CA343722A - Film change-over device : en fr
  • US1968863A - Adjustable arbor support : en
  • US1969069A - Coin controlled mechanism : en
  • CA343668A - Thread and rubber cord : en fr
  • DE601245C - Overhead line tensioning device : de en
  • US1969257A - Fuse, cut-out, and adapter : en
  • US1969503A - Bar metering system : en
  • USPP101P - Strawberry : en
  • AU1401733A - Convertible seat and dress satchel : en
  • DK49088C - Procedure for Making Tone and Picture Films. : da en
  • GB414559A - Improvements in gas meters of the oscillating bell type : en
  • DE601007C - Drying process in which the material is exposed to the action of a stream of air or dry gas : de en
  • US1969524A - Sheet metal shipping drum : en
  • CA343675A - Aerating machine : en fr
  • US1969158A - Control instrument : en
  • US1969332A - Method of forming records in record cards or the like, particularly for use in statistical or like machines : en
  • US1969499A - Universal detachable watthour meter mounting : en
  • US1969053A - Interlocking system for railroads : en
  • US1968924A - Casement window screen : en
  • US1969119A - Breakwater : en
  • FR768671A - Improvements to projection devices, foci, and in particular automatic foci with mechanical shoveling : en fr
  • US1969094A - Fluid operated motor : en
  • US1969126A - Kiln furniture : en
  • US1969225A - Tire valve : en
  • US1969398A - Turntable : en
  • FR768584A - Manufacturing process for aliphatic acids : en fr
  • GB414633A - Improvements in screw-thread cutting mandrels : en
  • FR768609A - Removable crown for motor vehicle wheels : en fr
  • US1968911A - Waxing machine : en
  • US1968804A - Motor starting device : en
  • USD92949S - Design for a combined clock case : en
  • US1969438A - Tire bead and method of making tires : en
  • CA343836A - Levelling machine : en fr
  • CA343834A - Shoe sewing machine : en fr
  • US1969681A - Musical record and method of producing same : en
  • DE601043C - Sharpener for lead and colored pencil leads, especially for lead holders : de en
  • CA343861A - Binder reel : en fr
  • US1969307A - Hosiery and the manufacture thereof : en
  • CA343724A - Dental alloy : en fr
  • AT138523B - Replacement filament lightbulb. : de en
  • US1968921A - Header or upsetting machine : en
  • US1968945A - Cam element : en
  • US1969286A - Traffic governor : en
  • US1969408A - Car lifting device : en
  • US1969585A - Beer crate : en
  • US1969455A - Sanitary cut-off for tubes and the like : en
  • US1968977A - Television method and apparatus : en
  • US1969077A - Aircraft sustaining unit : en
  • US1969177A - Laundry machine : en
  • CA343821A - Measuring apparatus for aircrafts : en fr
  • US1968881A - Label affixing machine : en
  • US1969012A - Lock : en
  • US1969028A - Machine for forming clay products : en
  • GB414733A - Improvements in or relating to lighting fittings : en
  • US1969457A - Wheelbarrow structure : en
  • USRE19263E - Method and system foe ventilating : en
  • GB414462A - A means for absorbing expansion in kiln dried tongued and grooved wood strip flooring : en
  • GB414657A - Magnetic alloys : en
  • CA343715A - Metallic container closure : en fr
  • US1969245A - Basket : en
  • US1969690A - Lubricating arrangement : en
  • US1968883A - Rubber composition : en
  • US1969175A - Syringe nozzle : en
  • US1969514A - Punching die for rail anchors : en
  • FR43718E - Improvements to printing rolls : en fr
  • US1969102A - Refrigerant control for refrigerating systems : en
  • USD92948S - Design for an electric heater : en
  • AT138527B - Light stabilizers. : de en
  • US1969345A - Plug connecter : en
  • AT138486B - Device for connecting a photographic camera to your bag. : de en
  • US1968976A - Method of forming composite brake drums : en
  • US1969303A - Cloth winding rack : en
  • USD92947S - Design for a water heater : en
  • US1969025A - Coin control mechanism : en
  • CA343855A - Azo-dyestuff : en fr
  • CA343805A - Glass drawing apparatus : en fr
  • US1968831A - Mechanism for controlling the admission of air to internal combustion oil engines : en
  • US1969210A - Dyestuff of the anthraquinoneacridone series and process of preparing the same : en
  • USD92959S - Design for a cabinet for an air con : en
  • US1969213A - Copper salt compositions, particularly as a preservative liquid for treating timber fabric and other materials : en
  • AT138526B - Arrangement for reducing the linear and non-linear distortions that occur when modulating high-frequency vibrations. : de en
  • CA343856A - Textile material processing : en fr
  • US1969663A - Slug casting machine : en
  • US1969244A - Building structure : en
  • DE601271C - Device for the return of the over-propellant gases and the lye from the upper to the lower chamber of cellulose digesters : de en
  • GB414474A - Improvements in or relating to muting devices for radio receiving sets : en
  • US1969111A - Gripping and securing mechanism : en
  • US1969266A - Cushion support for furniture : en
  • US1968933A - Means for producing tin oxide : en
  • GB414622A - System of connecting nozzles or branch pipes to pressure vessels : en
  • CA343789A - Basic alum : en fr
  • US1969287A - Shutter construction : en
  • US1969582A - Buckle : en
  • AT138479B - Switching device for X-ray machines. : de en
  • US1968868A - Radiotower : en
  • US1969108A - Method of making wire wheels : en
  • US1969172A - Cooling system for self-propelled vehicles : en
  • US1969376A - Harmonic converter circuit : en
  • CA343707A - Whistle instrument : en fr
  • US1969304A - Refrigerator control : en
  • US1969588A - Metallic fiber pipe fitting and method of making same : en
  • US1969017A - Control gear for internal combustion engines : en
  • US1969122A - Conveyer system : en
  • US1969360A - Gasoline-dispensing apparatus : en
  • USD92989S - Design fob a ribbon ob a similar : en
  • US1969519A - Method of and apparatus for commingling a binder with mineral wool : en
  • DE601242C - Device for tearing open and picking up old trackless bedding : de en
  • FR768495A - Improvements to billiards : en fr
  • AT138548B - Slip clutch. : de en
  • US1968834A - Vacuum vapor heating system : en
  • CA343763A - Filing card support : en fr
  • AT138516B - Face mask of rubber for cosmetic purposes and processes for their manufacture. : de en
  • AT138508B - Device for receiving or transmitting waves, rays and the like. like : de en
  • US1969105A - Thermoresponsive electric controller : en
  • US1969391A - Freight container car : en
  • AT138471B - Process for the manufacture of footwear. : de en
  • US1969317A - Forging machine : en
  • US1969419A - Transfer truck : en
  • US1969162A - Kitchen utensil : en
  • US1969292A - Hardened resin : en
  • FR768589A - building element : en fr
  • GB414545A - Improvements in or relating to electric devices for warming or airing beds : en
  • FR768586A - Enhancements to supercharged internal combustion engines : en fr
  • CA343782A - Ventilating device : en fr
  • CA343860A - Rotary disc edging machine : en fr
  • AT138502B - Device for quick testing of translucent specimens. : de en
  • US1969003A - Coating : en
  • US1969423A - Fuel oil burner : en
  • US1968842A - Treatment of hydrocarbons : en
  • US1968878A - Dyeing intermediate and process for : en
  • US1969037A - High frequency wave signaling : en
  • US1968910A - Drying apparatus and method : en
  • US1969467A - News and advertising projection system : en
  • US1969452A - Material and process for making multicolor subtractive photographic prints : en
  • US1969297A - Tape control for projectors : en
  • USRE19262E - Combined pedal and foot best : en
  • US1969386A - Cocktail shaker : en
  • DE601169C - Circulating blower for conveying charge mixture for an internal combustion engine with a device for collecting and removing heavier fuel particles : de en
  • FR768438A - Seat for faucet : en fr
  • US1969066A - Holder : en
  • US1969406A - Steam boiler : en
  • US1969664A - Propeller hub : en
  • USD92967S - Design for an ice cream cone : en
  • CA343826A - Hydrocarbon oil : en fr
  • AT138492B - Neck reinforcement for long-necked string instruments, in particular guitars. : de en
  • US1969068A - Apparatus for supporting annular articles : en
  • US1969472A - Low temperature carbonization of coal : en
  • AU161070B2 - Improvements in or relating to apparatus suitable for use in operating on shoe uppers : en
  • CA343804A - Buckle : en fr
  • US1969393A - Milling machine transmission and control : en
  • US1968926A - Vat and s : en
  • US1969659A - Adhesive : en
  • CA343823A - Textile assisting agent : en fr
  • DE601225C - Process for the recovery of acidic toxins and valuable substances, e.g. B. phenols, from ammonia water : de en
  • CA343857A - Textile material processing : en fr
  • CA343768A - Azo-dyestuff : en fr
  • AT138518B - Radio receiver with selective automatic intensity control. : de en
  • FR768410A - Rotary drill bit holder with violin screw, for various crankshafts : en fr
  • FR768741A - Differential claw for sewing machines : en fr
  • DE601211C - Hydraulic press working with several pressure levels : de en
  • FR768487A - Improvements to pasteurization devices : en fr
  • GB414467A - Method and machine for electrically connecting the arms of the foot of knitting machine needles and the like : en
  • FR768721A - Totalizing points counter for billiards and other uses : en fr
  • GB414589A - Method of and apparatus for multi-colour printing : en
  • CA343748A - Sulphur production : en fr
  • FR768604A - Process for converting keto-methylenic compounds into keto-amino compounds : en fr
  • AT138499B - Electric discharge tube. : de en
  • AT138500B - Process for the preparation of an antithyroid substance from blood or parts of blood or from suitable organs. : de en
  • US1969354A - 3-carboxy-4-alkoxy-diphenyl and salts thereof : en
  • US1969676A - System of electrical distribution : en
  • FR768710A - Centrifugal molding machine : en fr
  • DK49092C - Device by which an iron can be used as a heating plate. : da en
  • CA343786A - Piston ring : en fr
  • GB414531A - Improvements in and relating to the blading of steam and gas turbines : en
  • US1969375A - Rotary gate valve : en
  • CA343677A - Box strapping machine : en fr
  • US1968916A - Food product : en
  • CA343842A - Insulation pad : en fr
  • US1969631A - Burial vault : en
  • AT138491B - Corset. : de en
  • AU1411033A - Oil extracting press : en
  • CA343705A - Electric rectifier : en fr
  • AT138455B - Electric hotplate. : de en
  • US1968879A - Process for dyeing and printing : en
  • US1969265A - Control device for automatic stokers : en
  • US1969318A - Ventilated sanderplane : en
  • US1969635A - Matrix composing and line casting machine : en
  • AU1376933A - An improved poison gas producer for destruction of rabbits andother vermin : en
  • GB414502A - Improvements in and relating to boring or reaming apparatus for use on internal combustion engine cylinders : en
  • DE601204C - Arrangement of surge arresters formed by protective spark gaps on overhead lines : de en
  • FR768704A - Device for controlling a photographic shutter and the excitation of a magnesium bulb or the like : en fr
  • GB414603A - Improvements in circuit arrangements for amplifying or producing high frequency oscillations : en
  • DE597263C - Ink supply device for printing machines, especially gravure printing machines : de en
  • GB414627A - Improvements in or relating to radio receivers : en
  • GB414625A - Method for the production of bust supports from knitted fabric : en
  • GB414757A - Improvements in and relating to shelf supports : en
  • US1969532A - Switch operating mechanism : en
  • CA343830A - Vessel lining : en fr
  • GB414656A - Improvements in printers' spacing-materials : en
  • CA343750A - Friction tester : en fr
  • GB414726A - Improvements in directional lighting fittings : en
  • US1968969A - Snap-acting device : en
  • US1969204A - Road machine : en
  • FR768402A - Control of an electric discharge device by means of control bodies polarized by varying component voltages : en fr
  • US1968807A - Hanger rod : en
  • US1968874A - Dry kiln : en
  • FR768563A - Vehicle ventilation system : en fr
  • FR768640A - Engine mounting system : en fr
  • GB414686A - Improvements in or relating to photographic type composing : en
  • GB414687A - A method and apparatus for producing or regulating a state in a fluid by electrical treatment thereof, more particularly in air for ventilation : en
  • GB414705A - Improvements in or relating to photographic type composing : en
  • CA343845A - Electric station : en fr
  • FR768709A - Fixing and assembly system for glass plates : en fr
  • GB414463A - Improvements in wardrobe trunks : en
  • US1969522A - Universal balanced grade indicator : en
  • FR768647A - Method and device for modifying in flight the aerodynamic characteristics of propellers and rotary wings : en fr
  • GB414439A - Improvements in fasteners for stair carpets and the like : en
  • FR768614A - Electric weaving device with combined operation serving as a pulling mechanism and a machine for stitching and copying the boxes, with reading and correction board : en fr
  • GB414730A - Improvements in or relating to television : en
  • US1968888A - Conductor clamp : en
  • US1969566A - Glow lamp : en
  • FR768429A - Safety razor frame : en fr
  • FR43743E - Improvements in butter making and working machines : en fr
  • FR768497A - Device for fixing a threaded ring on a metal packaging : en fr
  • AT138540B - Wire mesh. : de en
  • US1969616A - Wire splicer : en
  • DE601209C - Housing device for cattle : de en
  • GB414662A - Improvements in or relating to hydraulic transmission apparatus : en
  • CA343699A - Steam generator : en fr
  • GB414455A - Improvements in and relating to liquid-break electric switches : en
  • US1969089A - Light signal for railroads : en
  • US1969181A - Steam circulation heating plant : en
  • US1969335A - Signaling system control : en
  • FR768695A - Process for manufacturing processed cheese : en fr
  • GB414673A - Improvements in methods of operating vapour generators : en
  • GB414591A - An improved bagatelle game board : en
  • GB414465A - Improvements in or relating to roll-film reflex photographic cameras : en
  • FR768467A - Printing press : en fr
  • DE601000C - Device for preventing the fogging of windows, in particular windshields for motor vehicles : de en
  • DE601216C - Shot put skill game : de en
  • US1969331A - Deodorant stick : en
  • FR768737A - Device for raising, lowering and oscillating a diving bowl used to close the dip tube in tar condensers : en fr
  • DE601230C - Process for the production of tear-resistant and gas-tight tire air hoses : de en
  • DK49108C - Apparatus for surface treatment of a web of material with a liquid coating agent in a flotation process. : da en
  • FR768511A - Railway signaling warning device : en fr
  • GB414569A - Improvements in vehicle lamps : en
  • FR768452A - Process for preparing caffeine-free coffee using raw coffee containing caffeine : en fr
  • DE601064C - Methods and devices for rolling in pipes : de en
  • DE601207C - Flat weft knitting machine with gusset device : de en
  • FR768477A - Articulation system for frames, particularly applicable to the construction of folding furniture : en fr
  • FR768720A - Device for squeezing lemon slices and others suitable for the table : en fr
  • DK49085C - Curved carbon slide connector. : da en
  • US1969065A - Relay : en
  • US1969212A - Pneumatic and electric connecter for milking machines : en
  • US1969243A - Photographic developer and method of developing : en
  • US1969694A - Process of refining oils : en
  • FR768715A - System for locking nuts on bolts or similar : en fr
  • US1968973A - Remote control system : en
  • USD92944S - Design for a souvenir medal : en
  • GB414596A - Improvements in or relating to nozzles, more particularly for fireextinguishing apparatus : en
  • GB414532A - Improved cable-handling means for electrically driven tractors : en
  • DE600959C - Pencil sharpener : de en
  • US1968935A - Rope fastener : en
  • US1968967A - Hosiery with elastic seam : en
  • US1969323A - Shaping machine : en
  • US1969368A - Rotation mechanism for percussive tools : en
  • DE601161C - Door with a blind wood layer and cover plates assembled from equal pieces : de en
  • DE601240C - Device for moving the type lever or type bars of typewriters : de en
  • FR768666A - Improvements to modulated electric oscillation transmitters : en fr
  • GB414669A - Improvements in furnace grates : en
  • FR768502A - : fr
  • GB414601A - Improvements in or relating to suction cleaners : en
  • GB414564A - Improved method of making cylindrical metal containers for gas under pressure : en
  • IE13018L - Thermionic valves : en
  • US1969593A - Bunch building mechanism : en
  • US1969169A - Method of and apparatus for solidifying carbon dioxide : en
  • DE601046C - Electric roller, in particular conveyor roller, with a coating made of fiber, leather or the like that increases the friction fit. : de en
  • FR768449A - Car headlight : en fr
  • GB414574A - A catalytic process for the manufacture of nuclear substituted aromatic amines : en
  • FR768514A - Mount or balanced support for rapid rise : en fr
  • FR768729A - Method for regulating the combustion of certain solid fuels : en fr
  • US1969314A - Restraining device : en
  • US1969067A - Method of and apparatus for making belts : en
  • US1969087A - Locking key for car brakes : en
  • US1969341A - Automatic protection of amplifier tubes : en
  • DE601163C - Process for the production of coatings of various wall thicknesses or local limits, such as lettering made of rubber, by applying aqueous rubber dispersions to substrates coated with coagulant : de en
  • DE601189C - Self-supporting car body with hollow longitudinal and transverse stiffeners, especially for motor vehicles : de en
  • US1968907A - Composition of matter : en
  • US1969217A - Vulcanizer : en
  • US1969558A - Electrooptical device : en
  • AT138521B - Radio receiver. : de en
  • GB414501A - Improvements relating to the insulation of magneto-electric machines : en
  • CA343665A - Electric welding apparatus : en fr
  • DK49081C - Bullet. : da en
  • US1968995A - Stocking and method of making same : en
  • USD92983S - Design for a kitchen cabinet or the : en
  • GB414457A - Improvements in and relating to electric discharge apparatus : en
  • GB415039A - Improvements in or relating to bracket shelves : en
  • CA343726A - Pure carbonic acid : en fr
  • CA343769A - Pattern grading machine : en fr
  • US1968884A - Conductor cord supporting and protecting means : en
  • FR43736E - Mechanical grouping device for objects to be stacked : en fr
  • AT138472B - Processes and arrangements for the production of guide films for the dubbing of image recordings. : de en
  • DE601257C - Box camera for photographic purposes : de en
  • GB414731A - Improvements in or relating to nail or like fastener assorting mechanism : en
  • USD92991S - Design fob a shoe : en
  • DE601136C - Reversible, automatic change gear, especially for motor vehicles : de en
  • GB414728A - Improvements in and relating to tools for grinding or honing cylindrical bores : en
  • GB414539A - Improvements in mileage counters for vehicles : en
  • GB415092A - Improvements in electrical power systems for mechanically propelled vehicles and other purposes : en
  • US1968940A - Electric generative boiler : en
  • US1969327A - Rumbling barrel : en
  • GB414694A - An improved case for holding skeins of stranded silk, cotton, or the like : en
  • USD92976S - Design for a combined clock case : en
  • US1969214A - Riveting machine : en
  • DE600857C - Device for the protection of electrical resistances against impermissible heating : de en
  • GB414602A - Improvements in cinematographic film printing devices : en
  • GB414592A - Improvements relating to automatic controlling devices for the control surfaces of aircraft or watercraft : en
  • DE601194C - Spin dryer : de en
  • DE601267C - Protection device against flooding of electrical machines working with liquids : de en
  • GB414713A - Improvements in or relating to electric cables : en
  • FR768576A - Combined machine for internal grinding and for grinding flat surfaces : en fr
  • FR768536A - Removable drip tray with adjustable support for household taps and others : en fr
  • FR768608A - Coupling system for railcars and road convoy trailers : en fr
  • AT138462B - Burners for liquid or powdered fuels. : de en
  • FR768628A - Spool for artificial silk spinning : en fr
  • USRE19266E - parker : en
  • FR768473A - Improvements in television, image transmission and the like : en fr
  • GB414426A - New solid vat dyestuff preparations : en
  • FR768593A - Calecon with or without bra for bathing and sunbathing : en fr
  • GB414499A - Improvements in and relating to methods of manufacturing sound records : en
  • FR43729E - Improvements to audible warning devices : en fr
  • FR768556A - Fuel injection combustion engine with pre-ignition chamber and air tank : en fr
  • FR768717A - Process for improving storage batteries : en fr
  • USD92968S - Design for a reflector : en
  • CA343753A - Pulping process and apparatus : en fr
  • US1969493A - Fan cooled electric motor : en
  • GB415044A - Improvements in grinding or abrading machines : en
  • FR768677A - Improvements in the manufacture of ammonium sulphate : en fr
  • GB414534A - Improvements in and relating to electric fuses : en
  • FR768404A - New cylinder head for internal combustion engines : en fr
  • GB414483A - Manufacture of new azo-dyestuffs : en
  • FR768482A - Clasp for purses, purses and similar items : en fr
  • FR768622A - Synchronized contactor : en fr
  • US1969559A - Acoustic device : en
  • DE600218C - Device for the sterilization of organic liquids, in particular fruit juices : de en
  • FR768500A - Process for carrying out exothermic reactions of solid substances with gases in the rotary tube furnace : en fr
  • FR768629A - Improvements made to safety buckles : en fr
  • FR768672A - Improvements to compound bodies and to shaped parts obtained through them, more especially for electrical purposes : en fr
  • FR768411A - Heavy oil combustion apparatus : en fr
  • US1969577A - Mold for glassware : en
  • FR768595A - Process of loading, unloading and transhipment of goods : en fr
  • GB414712A - Improvements in the manufacture and production of substances suitable as wetting, washing, dispersing and like agents : en
  • GB414468A - Improvements relating to clutches : en
  • US1969195A - Container : en
  • US1969349A - Swimming suit and method of making the same : en
  • US1969356A - Alkoxy-3-carboxy-diphenyl : en
  • US1969416A - Gear shift : en
  • US1969661A - Transmission : en
  • US1969599A - Radio receiving system : en
  • USD92974S - Design for a casing for oil burners : en
  • AU1518233A - Improvements in or relating to electric discharge tubes : en
  • AU1636734A - Improvements in insole and process of making shoes therewith : en
  • AU1415533A - An improved plunger for washing clothes andother washable fabrics : en
  • US1969173A - Dumping vehicle : en
  • FR768579A - Automatic clutch : en fr
  • DE601025C - Switch tongue locking with magnetic lock : de en
  • US1969554A - Automatic alarm switch : en
  • US1968805A - Automatic valve : en
  • US1969299A - Manufacture of ureas, and substances of a like character of the naphthalene series : en
  • FR768725A - Improvements to ropes or cables : en fr
  • GB414668A - Improvements in knickers and garments of a like nature : en
  • US1969147A - Musical instrument : en
  • US1969632A - Weighing scale : en
  • USD92955S - Design for a curtain : en
  • USD92956S - Design for an auto trailer coach : en
  • DE601208C - Glasshouse : de en
  • AT138458B - Impact fuse. : de en
  • DE601077C - Ash removal device for zone grids : de en
  • US1969433A - Flying shear : en
  • US1969562A - Tack strip feeding mechanism : en
  • FR768506A - Removable metal pool : en fr
  • US1968957A - Magnetically operated valve : en
  • US1968986A - Car washer : en
  • DE601118C - Two screw bolts, which can be screwed against each other by a turnbuckle-like nut, are used to connect electrical lines, the ends of which are firmly connected to the screw bolts : de en
  • DE601050C - Sheet turning and delivery device for printing machines : de en
  • GB414495A - Improvements in flexible cutter chain : en
  • GB414628A - Lathes and similar machine-tools : en
  • FR768435A - Improvements in pigment preparation processes : en fr
  • GB414488A - Improvements in or relating to electric discharge devices and cathode arrangements for use therein : en
  • GB414436A - Improvements in or applicable to straight bar knitting machines : en
  • GB414486A - Improvements in and relating to hydraulic operating mechanism : en
  • AU1373233A - An improved racquet for tennis or like games : en
  • CA343829A - Dredge bucket : en fr
  • CA343802A - Glass article forming machine : en fr
  • US1969666A - Apparatus for drying insulated wire : en
  • US1969507A - Compressor mechanism : en
  • DE601033C - Piston pump : de en
  • US1968979A - Television transmitter : en
  • US1969334A - Printing device for use in connection : en
  • US1969377A - Sorting machine : en
  • AU1375633A - Improvements in or relating to suction cleaners : en
  • CA343800A - Underfeed stoker : en fr
  • AT138536B - Hollow stone roof. : de en
  • US1969470A - Piston : en
  • US1968870A - Carburetor : en
  • US1969606A - Apparatus for testing the fastness to light of dyes, inks, and other color materials : en
  • US1969698A - Automatic clutch : en
  • CA343738A - Motor control system : en fr
  • AT138488B - Acoustic signaling device activated by the temperature. : de en
  • US1968953A - Insect trap : en
  • CA343754A - Water softening process : en fr
  • US1969436A - Clutch mechanism for multiple gear constant mesh transmission : en
  • US1969708A - Control system for heat treating apparatus : en
  • CA343816A - Centrifugal clutch : en fr
  • US1968809A - Artificial turf and method of making the same : en
  • CA343783A - Non-knocking benzine : en fr
  • US1968886A - Die clamping device : en
  • GB414546A - Improvements in aircraft with aerodynamically rotatable wings and power plant therefor : en
  • GB414701A - Improvements in or relating to electric motors : en
  • FR768409A - Improvements to burners for liquid fuels and pulverized or colloidal fuels : en fr
  • FR768478A - Device for games allowing to record and total the number of points obtained by the players and to distribute tokens or other objects according to this number of points : en fr
  • US1968996A - Induction motor : en
  • AU1379433A - Improvements in hydrodynamic power transmission devices : en
  • US1968869A - Electric switch : en
  • US1969620A - Rotary piston engine : en
  • CA343670A - Molten pulverized body projecting apparatus : en fr
  • US1968972A - thieme : en
  • US1969121A - Gas generator : en
  • US1969093A - Electrical apparatus : en
  • AU1407633A - Improvements in quick make and break electric switches : en
  • CA343756A - Can seaming machine : en fr
  • AT138545B - Internal combustion engine. : de en
  • US1969009A - Method of making laminary containers : en
  • US1969434A - Automobile shipping car : en
  • US1969705A - Ferrous alloy : en
  • FR768590A - Equipment ensuring the protection of rail traffic : en fr
  • US1968937A - Method for inserting identification tag fasteners : en
  • US1969250A - Fuel regulator : en
  • GB414586A - Improvements in tea rolling or like machines : en
  • US1969302A - Treatment of hydrocarbon oils : en
  • US1968965A - Tire valve : en
  • US1969691A - Spring connection : en
  • USRE19265E - Heat transfer : en
  • DE601226C - Backflow protection for machine shafts, especially for electrically driven centrifuges with counter-current braking : de en
  • US1968859A - Torsion tachometer : en
  • US1969081A - Apparatus for use in the determination of grain sizes in granular material : en
  • US1969450A - Apparatus for capping containers : en
  • DE601157C - Process for the production of rayon rolls with vertically rising edges : de en
  • US1969417A - Distributing valve gear for steam engines : en
  • US1969241A - Motor vehicle clock : en
  • US1969379A - Apparatus for making piezo-electric bodies : en
  • DE601234C - Press die for the production of corrugated iron walls from sheet metal : de en
  • DE601241C - Procedure for avoiding high stress levels when hardening armor plates on one side : de en
  • US1969339A - Quartz crystal mounting : en
  • CA343701A - Carbureter : en fr
  • CA343743A - Corrosion prevention : en fr
  • FR768644A - Process for separating air and similar gas mixtures by liquefaction and rectification : en fr
  • CA343814A - Electrical conductor : en fr
  • US1969006A - Fruit juice extractor : en
  • US1969188A - Means for drawing and holding wounds : en
  • US1969594A - Ice dispensing machine : en
  • US1969540A - Pipe : en
  • US1969563A - Apparatus for lubricating wire rope : en
  • US1969156A - Heat insulating material : en
  • US1969329A - Radio frequency wave reception : en
  • US1969137A - Compressor unit construction : en
  • DE601104C - Process for the preparation of 1íñ4íñ5íñ8-naphthalenetetracarboxylic acid : de en
  • DE601244C - Route block system : de en
  • US1968908A - Refrigeration : en
  • US1969569A - Method of making printed cellophane : en
  • US1969646A - Discharge tube electrode : en
  • DE601186C - Electric vacuum tubes with walls partly made of quartz and partly made of glass : de en
  • FR768707A - Measuring instrument for measuring the diameters of holes and shafts : en fr
  • GB414541A - Improvements in or relating to the treatment of textile fibres and materials : en
  • GB414607A - A new or improved device or appliance for use in playing games : en
  • DE600144C - Method and device for achieving intimate contact between solid substances and gases : de en
  • US1968875A - Supply circuits for thermionic tubes : en
  • GB414487A - Improvements in damping apparatus for lithographic offset printing machines : en
  • DE601178C - Device for lifting the tool after the completion of a workpiece and for putting it back on at the beginning of the processing of the next on machines for grinding and polishing glass sheets : de en
  • DE601278C - Process for the production of colored patterns on fabrics : de en
  • FR768548A - Automatic tabletop device usable as a board game : en fr
  • DE601036C - Process for the production of metal deposits : de en
  • US1969144A - Signal device : en
  • DE601018C - Turbine drive for aircraft : de en
  • CA343680A - Therapeutic substance : en fr
  • FR768660A - Variable adjustable capacitor for t device. s. f. and other applications : en fr
  • FR768529A - Pneumatic tire tread : en fr
  • US1969118A - Valve for inflatable articles : en
  • US1969374A - Tube covering : en
  • US1969627A - Gas cleaning apparatus : en
  • DE601176C - Split rim with removable side flange : de en
  • US1969215A - Rectal syringe : en
  • US1969268A - Shoe polishing device : en
  • DE601020C - Rotary kiln for burning, sintering, roasting, agglomerating and drying goods : de en
  • US1968893A - Belt fastener : en
  • US1969128A - Inflated ball and method of making same : en
  • GB414528A - Improvements in and relating to submarine cables : en
  • USD92977S - Design for a combined clock case : en
  • FR768472A - Small synchronous motor with automatic start : en fr
  • FR768543A - Improvements in DC transformers : en fr
  • US1969133A - Brake drum : en
  • AU1648234A - Improvements in tennis racquets : en
  • US1969260A - Supporting fabrication for tents : en
  • US1969382A - Preparation of a stable hydro-alcoholic extract of ergot : en
  • DE601218C - Process for the production of insulating materials using light magnesium carbonate : de en
  • DE601266C - Expansion switch : de en
  • FR768447A - Improvements to spark plugs for engines : en fr
  • FR43737E - Dispensing device for liquid soap and other similar products : en fr
  • USD92993S - Design fok lace : en
  • FR768636A - Ball of rubber or other similar material with fixing device allowing it to be attached to any link : en fr
  • US1968822A - Gaseous electric discharge device : en
  • FR768553A - Improvements to the propellers and their adjustment mechanisms : en fr
  • GB414749A - Improvements in filters for liquids : en
  • GB414441A - Improvements in or relating to wireless receiving apparatus : en
  • FR768414A - Hinged-back kitchen stepladder chair : en fr
  • FR768580A - Device for placing photographs in albums using gummed corners : en fr
  • CA343749A - Ore flotation : en fr
  • DE601014C - Process for producing the photosensitivity of photoelectrically active bodies, such as selenium or the like, by means of heat treatment using an inert liquid which transfers the heat to the body concerned : de en
  • CA343687A - Wheel mounting and steering gear : en fr
  • DE601031C - Self-seller for gas, water or electricity with a device for collecting a basic fee : de en
  • DE601228C - Synchronous or synchronized asynchronous machine with excitation via a frequency converter : de en
  • FR768734A - Shuttle for ribbon looms : en fr
  • GB414584A - Toy fire arm with fire appearing at the muzzle : en
  • FR768542A - Method and loom for making knitted hats and the like : en fr
  • FR768462A - Improvements in processes and apparatus for the manufacture of sparkling wines and similar drinks in closed tanks : en fr
  • FR768617A - Improvements to boiler feed : en fr
  • GB414631A - Bolt retainer : en
  • US1969254A - Control for hydraulic grease dispensers : en
  • US1969319A - Thermal relay : en
  • DE601132C - Dissolution country : de en
  • DE601224C - Process for the preparation of butadiene : de en
  • FR768549A - Combination rest mattress : en fr
  • US1969075A - Highway crossing signal system : en
  • AT138463B - Talking machine needle. : de en
  • GB414484A - Improvements relating to the manufacture of articles from paper ribbons : en
  • DE601231C - Anti-aging agent for vulcanized rubber or vulcanized rubber compounds : de en
  • US1969440A - Telegraph recording and projecting system : en
  • FR768742A - Dust sensor device : en fr
  • GB414479A - A machine for inserting pins or spikes in sticks or rods : en
  • FR768461A - Rear-view mirror device for vehicles, in particular for motor vehicles : en fr
  • US1969166A - Process for making colloidal solutions of metals and of metallic compounds in polyalcohols and product obtained thereby : en
  • US1969367A - Pulp wood reclaimer : en
  • FR768648A - Method and device for indicating the weight of persons occupying a determined area : en fr
  • GB414594A - Collapsing mudguards for a velocipede : en
  • GB414716A - A process for the separation of the crude resin obtained by extraction from kauri timber into light and dark coloured resinous products and apparatus therefor : en
  • DE601206C - Yarn guide drive device for flat weft knitting machines : de en
  • GB414517A - Improvements in and relating to coin released vending machines : en
  • GB414565A - Improvements in or relating to means for lubricating spinning and doubling spindles : en
  • DE601082C - Spring-loaded floor or insert for mattresses, pillows, upholstered furniture or the like. : de en
  • DE601172C - Rotatable pipe connection, consisting of two concentric pipe connection pieces with ball bearings and a seal in between : de en
  • FR768525A - Electric calculating machine : en fr
  • FR43720E - Distributor of gravelly or granular heavy materials for self-unloading trays, self-pushers, tippers and fixed hoppers : en fr
  • DE601092C - Safety device for hydraulic brakes on motor vehicles : de en
  • CA343773A - Tire : en fr
  • US1968951A - Power plant control : en
  • US1968966A - High speed steel : en
  • US1969193A - Vehicle wheel : en
  • US1969549A - Rotary brush : en
  • US1968901A - Lubrication of fluid pressure tools : en
  • US1969316A - Treatment of hydrocarbon oils : en
  • CA343746A - Degreasing apparatus : en fr
  • CA343851A - Building : en fr
  • US1968997A - Device for the treatment of certain ailments : en
  • US1969201A - Removal of wax from hydrocarbon oils : en
  • US1969650A - Process for the manufacture of fertilizer : en
  • US1968882A - Treatment of cellulose esters : en
  • US1969168A - Tube cutter : en
  • US1968820A - Manufacture of the ammonium salt of the urea of m-amino-benzoyl-mamino-p-toluyl-1-naphthylamine-4:6:8-trisulphonic acid : en
  • US1969545A - Mixer for road materials : en
  • US1968959A - Nut lock : en
  • US1969402A - Building block and wall construction : en
  • USD92952S - Design for a hinge : en
  • USD92961S - Design for a textile woven fabric : en
  • CA343693A - Surgical belt : en fr
  • CA343796A - Separable fastener : en fr
  • AU1374233A - 13742/33 : en
  • FR768550A - Process for maintaining steam turbine installations with dynamos in reserve, ready for operation : en fr
  • US1968841A - Flux for silver-soldering stainless steel : en
  • US1969320A - Flash light : en
  • GB414428A - Improvements in a furnace for the heat treatment of steels and alloys under atmosphere controlled conditions : en
  • GB414664A - The manufacture of new dyestuffs of the anthraquinone series : en
  • FR768418A - Process for the fractionation of gaseous mixtures, at low boiling point, into their constituents : en fr
  • FR768574A - Use of the fruit shells for the manufacture of plastics, synthetic resins, and the like : en fr
  • FR768612A - Improvements to machines for recording and rehearsing phonograph records : en fr
  • FR43734E - Milk pass : en fr
  • GB414660A - Improvements in and relating to roller-feed saw benches : en
  • GB414521A - Improvements in and relating to extraction apparatus : en
  • GB414604A - Improvements in apparatus for vending newspapers and the like : en
  • GB414447A - Improvements in and relating to gas meters : en
  • US1969693A - Tuyere : en
  • DE601125C - Drive device for rewindable sound recording media : de en
  • AT138550B - Electric motor driven by alternating current with a gas and water-tight encapsulated primary coil. : de en
  • FR768654A - Improvements to electrical measuring devices : en fr
  • FR768716A - Improvements to tanks that can be used in particular on board ships to transport wine and similar liquids : en fr
  • FR768740A - Brake Drum Hub for Vehicle Wheel : en fr
  • US1968814A - Copy printing machine : en
  • US1969612A - Capillary-active agents : en
  • FR768430A - Improvements to the folding mechanism of rotary printing machines : en fr
  • DE600968C - Process for printing cotton, semi-wool and fabrics containing rayon : de en
  • DE601041C - Car roof : de en
  • DE601139C - Direction indicators for bicycles and motorcycles : de en
  • US1968837A - Propeller blabe pitch gauge : en
  • US1969095A - Pulp yarn or twine : en
  • FR768471A - Improvements to television and analog systems : en fr
  • US1969348A - Release valve for air brakes : en
  • US1969426A - Tool and extractor : en
  • USD92969S - Design fob a wall clock : en
  • US1969358A - Choke regulator : en
  • DE601277C - Device for applying cutting patterns with several rulers indicating the outlines : de en
  • FR768664A - Billiard furniture : en fr
  • US1969129A - Cutting implement : en
  • CA343752A - Lamp filament sorting machine : en fr
  • FR768453A - Washing machine or the like, drum which can be operated in at least two different ways : en fr
  • FR768696A - Variable pitch propeller and devices which can be used separately therein : en fr
  • CA343686A - Motor car stabilizer and safety brake : en fr
  • DE595008C - Method for the production of knotted carpets on carpet knotting machines : de en
  • US1969080A - Liquid fuel heating system : en
  • US1969587A - Electrical control system : en
  • GB414434A - Improvements in or relating to hot water supply systems : en
  • GB414442A - Covers for cups, jugs, jars and like vessels : en
  • GB414437A - A machine for the measuring and marking of electric cables and similar articles : en
  • FR768513A - Solid injection device for internal combustion machines : en fr
  • DE601268C - Process for the production of durable solutions of glyceric acid calcium suitable for injection : de en
  • FR768641A - Improvements to electric pocket lamps : en fr
  • FR768496A - Rigid seat with flexible supports for vehicles : en fr
  • FR768407A - Tool for cleaning and stripping surfaces : en fr
  • GB414708A - Improvements in the disposition of armament on warships : en
  • GB414710A - Improvements in and relating to head lamps for vehicles : en
  • DE601146C - Incinerator with post-combustion device : de en
  • FR43715E - Improvements to the gate circuits of discharge valves in an ionized medium : en fr
  • GB414459A - Improvements in and relating to methods of and apparatus for the production of seamless tubes and the like : en
  • FR768539A - Process for obtaining materials sensitive to light, by means of diazo derivatives : en fr
  • GB414637A - Improvements in or relating to cleaning machines : en
  • FR768491A - Automatic device for indicating the quantities contained in silos, tanks, storage boxes and similar containers : en fr
  • GB414505A - Improvements in and relating to renewable treads for stairs : en
  • FR768551A - Process for the preservation of surfaces : en fr
  • US1968936A - Exhaust ventilator : en
  • US1969167A - Apparatus for filling lubricant cavities in wheels and method therefor : en
  • GB414706A - Improvements in or relating to packing for spigot and socket joints : en
  • CA343671A - Gasoline lamp generator : en fr
  • US1969340A - Mucin solvent agent : en
  • FR768747A - Improvements to incinerator ovens for slaughterhouse waste, household waste, etc. : en fr
  • FR768560A - Improvements to machines for planting potatoes or similar seeds : en fr
  • GB414422A - Improvements in or relating to wrapping machines : en
  • FR43748E - Machine for casting stereotype plates and galvanic supports : en fr
  • DE601008C - Exchangeable cutting tooth with expanding slots, especially for excavators and scrapers : de en
  • FR768631A - Powder to improve the insecticide and fungicide treatment of plants and in particular of vines : en fr
  • FR768520A - Ring pad intended to repel stones applicable to dual wheels with rubber tires : en fr
  • US1969109A - Combination bale tie and holder : en
  • US1969645A - Ball cock or valve : en
  • FR43711E - Motor vehicle : en fr
  • FR768469A - Steel alloys with high resistance to elongation : en fr
  • DE600981C - Process for the preparation of fibrous cellulose acetates : de en
  • FR768718A - Sharpening device for safety razor blades : en fr
  • DE601238C - Radial steam or gas turbine : de en
  • GB414700A - Improvements in or relating to machine guns : en
  • GB414738A - Method of preparing secondary aromatic amines : en
  • US1969157A - Fluid fuel burner : en
  • US1969513A - Dust deflector : en
  • US1969403A - Index for guide cards : en
  • US1969196A - Vest pocket flash light : en
  • US1969222A - Fuse for aeroplane defense projectiles : en
  • DE601149C - Cylinder drying machine : de en
  • FR768685A - Improvements relating to clamshells : en fr
  • DE601038C - Lighting fixtures : de en
  • GB414519A - Type line composing and printing machines : en
  • GB414433A - Improvements to automatic sheet feeders : en
  • GB414644A - Improvements in and relating to the refining of motor spirit : en
  • US1969668A - Rectifier : en
  • DE601015C - Process for the production of double-walled glass containers : de en
  • CA343847A - Power driven snow vehicle : en fr
  • US1968872A - Internal wrench : en
  • US1968943A - Rip strip container : en
  • US1969555A - Electric cooking range : en
  • US1969696A - Measuring device for yarn winding machines and the like : en
  • US1969103A - Lawn mower blade : en
  • US1969359A - Remote indication apparatus : en
  • DK49102C - Radio Control System for Aircraft Management along a Line. : da en
  • US1968826A - Belt press : en
  • US1969042A - Massaging device : en
  • US1969669A - Make-up machine : en
  • US1969673A - Box for cosmetics and the like : en
  • AT138474B - Method and device for drying shoes during their manufacture. : de en
  • US1968915A - Display device : en
  • US1969235A - Process of treating containers for reception of transformer oil : en
  • US1969551A - Animated silhouette picture and method of making same : en
  • USD92984S - Design foe a kitchen cabinet or the : en
  • DE601281C - Magnet system for speakers : de en
  • US1968989A - Key retaining member or key ring : en
  • FR768460A - Product intended to replace wood, plywood and other similar materials in all their uses and its manufacturing process : en fr
  • GB414735A - A holder for loosely piled paper sheets : en
  • DE601190C - Arrangement of the mirrors of motor vehicles for observing the front wheel track : de en
  • DE601205C - Procedure for attaching the cage winding in the running grooves of miniature motors : de en
  • US1969432A - Water meter yoke : en
  • US1968816A - Meter for quantitatively determining the amount of foreign matter in air : en
  • US1968821A - Submarine signaling : en
  • US1969120A - Lined barrel construction : en
  • AT138494B - Boots, in particular for sports purposes. : de en
  • US1969141A - Deep well pressure gauge : en
  • AT138476B - Fine tuning device for string instruments. : de en
  • AT138524B - Gain control arrangement. : de en
  • CA343688A - Building : en fr
  • US1968861A - Electrical carder : en
  • US1968899A - Process for the purification of carbonic acid gas produced by fermentation and otherprocesses : en
  • US1969229A - Apparatus for forming concrete structures : en
  • US1969279A - Pad for toy train tracks : en
  • US1969389A - Take-off for grid trimming presses : en
  • CA343672A - Coal treating solution : en fr
  • DE601108C - Rail vehicle with a horizontally suspended car body : de en
  • GB414557A - Improvements in concrete building panels and mould therefor : en
  • DE600976C - Dipping machine : de en
  • US1969372A - Locomotive tender : en
  • GB414547A - Improvements in and relating to upholstery for automobile bodies : en
  • GB414680A - Improvements in or relating to photographic sound recording apparatus : en
  • DK49100C - Ship steam engine system consisting of a piston engine and a low pressure turbine. : da en
  • US1968928A - Electrical fuse of the multiple element type : en
  • US1969016A - Corn picker-sheller : en
  • DE601112C - Railway carriage pusher : de en
  • DK49106C - METHOD OF MANUFACTURING METALS OF METAL COMPOUNDS BY DECOMPOSING THESE IN ELECTRIC ARC. : da en
  • FR43708E - Improvements to wires : en fr
  • US1969151A - Refrigerated truck : en
  • DE601202C - Hydraulic multiple control, preferably for electrically powered vehicles : de en
  • AT138478B - Air- and moisture-permeable laundry item and process for its manufacture. : de en
  • US1968835A - Combination vapor heating system : en
  • US1968849A - Printing machine : en
  • US1969134A - Fire preventive attachment for motion picture projection machines : en
  • US1969712A - Manufacture of dried wood veneer : en
  • US1969148A - Veneer brick and means for securing same to a surface : en
  • DE601011C - Radio aerial : de en
  • DE601191C - Directional lock for a safe deposit box with adjustable tumblers : de en
  • DE601147C - Pulverized coal firing : de en
  • CA343716A - Metal separating process : en fr
  • USD92970S - Design fob an envelope moistener : en
  • USD92940S - Design for a door pull or sevhlar : en
  • US1969465A - Means for maintaining moving bands in synchronism : en
  • GB414646A - Improvements relating to clinometers : en
  • US1969233A - Wheel mounting tool : en
  • CA343733A - Motion picture projector : en fr
  • DE601060C - Bending machine for metal sheets : de en
  • AT138520B - Lorgnon lock. : de en
  • AU1594034A - Improvements in electrical condensers : en
  • US1969321A - Treatment of mineral oils by heat : en
  • US1969702A - High electro-conductive copper alloy and process for making the same : en
  • CA343745A - Degreasing apparatus : en fr
  • CA343711A - Rail joint repairing method : en fr
  • DE577773C - Method and device for tinning : de en
  • US1969460A - Hot water supply system : en
  • US1968873A - Starting and stopping mechanism : en
  • FR43750E - Device allowing the mechanical control of household utensils commonly used with continuous or reciprocating motion : en fr
  • US1969132A - Terminal for electric heating appliances : en
  • US1969605A - Wax thread sewing machine : en
  • US1969271A - Coin registering receptacle : en
  • US1969516A - Production of alkali metal carbamates : en
  • DE601091C - Process for the production of single or multicolored prints by means of photographically produced gelatin wash-out reliefs : de en
  • US1968851A - Method of and apparatus for applying powdered asphalt to mineral wool to form a binder : en
  • AU1365933A - Improvements in or relating to suction orso-called vacuum cleaners : en
  • US1969711A - Rotary engine : en
  • US1968955A - Air propelling device : en
  • GB414677A - Improvements in or relating to building construction : en
  • US1969421A - Production of paper pulp : en
  • DE601002C - Sliding window with several laterally displaceable leaves lying in the same plane in the closed position : de en
  • US1969622A - Ophthalmic lens : en
  • FR768701A - Operating method of internal combustion engines : en fr
  • US1969074A - Roofing and siding element and method of producing contrasting effects thereon : en
  • DE601022C - Production of ammonrhodanide : de en
  • FR43713E - Oil bath mercury switch : en fr
  • GB414665A - Process for the manufacture of condensation products : en
  • FR768470A - Advanced showcase : en fr
  • FR768733A - Indene manufacturing process : en fr
  • US1968949A - Air, gas, or smoke extractor : en
  • US1968912A - Process and apparatus for spinning artificial silk : en
  • US1969191A - Chest : en
  • US1969380A - Arrangement for reducing sag in antenne : en
  • FR43741E - Process for mass production of cores : en fr
  • DE601276C - Feeding device for bucket conveyance : de en
  • FR43702E - Device for controlling vacuum cells by means of anode grids : en fr
  • USD92981S - Design for a food container : en
  • DE601150C - Office equipment for punching and stapling documents together using punched paper tongues : de en
  • DE601232C - Mixing device : de en
  • US1969044A - Dyestuff of the anthraquinone series and process of preparing the same : en
  • US1969483A - Telegraph repeater : en
  • US1969662A - Typographical casting machine : en
  • GB414751A - Improvements in or relating to the treatment of lignocellulosic material and products obtained therefrom : en
  • DE601054C - Electrolytic wound capacitor for direct current : de en
  • FR43742E - Improvements to lubrication devices : en fr
  • FR768632A - Process and apparatus for the halogenation of rubber and resulting product : en fr
  • DE601203C - Resistance with a high negative temperature coefficient : de en
  • US1968846A - Process of making structural adsorptive carbon and product : en
  • DE601029C - Closing device for the rear end of traveling grids : de en
  • DE601199C - Method of manufacturing a cattle wagon with a liquid-tight metal pan : de en
  • US1969258A - Holster holder : en
  • US1969488A - Circuit controller : en
  • US1969583A - Electric ironer and dampener : en
  • USRE19264E - Corset and the like : en
  • US1969189A - Sulphonation of beta-naphthylamine : en
  • US1969653A - Soffit clip : en
  • US1968876A - Composition of matter suitable for use in flotation : en
  • US1969019A - Alloy : en
  • US1969682A - Ignition controller : en
  • US1969564A - Cooking stove : en
  • GB414435A - Process for the production of lacquers containing artificial resins and of materials for making such lacquers : en
  • CA343692A - Closet seat : en fr
  • CA343858A - Thermal insulation : en fr
  • US1969202A - Fuel vaporizing device : en
  • USD92971S - Design fos a tire display back : en
  • US1968958A - Process for preparing sand molds : en
  • US1968964A - Normal ferrous salt of 2-nitronaphthalene-4.8-disulphonic acid : en
  • FR768433A - Process for obtaining tissues, spongy products or other materials impregnated with a special preparation for cleaning the epidermis : en fr
  • FR768450A - Daytime light signal for railways : en fr
  • FR768703A - Improvements to games involving a captive ball : en fr
  • FR768728A - Method and device for receiving short waves : en fr
  • US1968833A - Towel servidor : en
  • US1968988A - Plate-fulcrum railroad track scale : en
  • GB414617A - Improvements in clutches : en
  • DE601182C - Protective body for explosive cartridges : de en
  • DK49103C - Lighting system. : da en
  • DE601158C - Elastic shoe insert adjustable in width : de en
  • GB414492A - Improvements in or relating to packaging machines : en
  • AT138507B - Calculating or bookkeeping machine. : de en
  • USD92945S - Design fob an oil dispenser : en
  • CA343801A - Waxed wrapper : en fr
  • US1969082A - Laundry washing machine : en
  • US1969640A - Flushing valve : en
  • CA343854A - Illuminated fishing float : en fr
  • GB414621A - Improvements in and relating to clothespins : en
  • FR768656A - Process for decorating metals : en fr
  • FR768686A - Process improvements for the treatment of acid solutions : en fr
  • GB414537A - Improvements in lawn mower sharpeners : en
  • US1969706A - Method and apparatus for making composite sheet articles : en
  • US1969004A - Slicing, dividing, and wrapping apparatus : en
  • US1969557A - Ball-bearing caster : en
  • US1969543A - Electrical distribution system : en
  • FR768476A - Improvements made in the establishment of pump safety rings : en fr
  • GB414520A - Improvements in fire-bars for steam boiler and other furnaces : en
  • FR43749E - Improvements to shower injectors : en fr
  • DK49094C - Method with associated apparatus for loading bark-edged wood by so-called Linderman machines. : da en
  • US1969183A - Composition of matter : en
  • US1968847A - Structural adsorptive carbon and process of making same : en
  • US1969033A - Filter : en
  • US1968823A - Gaseous electric discharge lamp device : en
  • US1969420A - Pulp beating and washing engine : en
  • USD92978S - Design for a combination griddle : en
  • USD92992S - Design for a shoe : en
  • US1969480A - Web cutting mechanism : en
  • CA343819A - Sintering apparatus : en fr
  • US1969525A - Machine for working glass : en
  • CA343793A - Armour plate : en fr
  • CA343708A - Cellulose processing : en fr
  • US1969392A - Arbor support for milling machines : en
  • DE601174C - Device for the production of single or multi-layer corrugated cardboard : de en
  • AT138515B - Device to prevent premature destruction of glowing filaments or to prevent gas consumption in incandescent lamps. : de en
  • DE601086C - Process for the production of molten or sintered metal oxides : de en
  • GB414695A - Improvements in or relating to machines for coating parts of or for boots or shoes or the like : en
  • AU1532933A - Animal drencher : en
  • US1968824A - Signal apparatus : en
  • US1969179A - Laundry machine : en
  • FR768603A - Improvements made to shrink-wrapped components, in particular brake drums comprising an internal shroud : en fr
  • GB414540A - System of mounting doors of motor-cars or other vehicles : en
  • GB414685A - The manufacture of a therapeutically active preparation : en
  • GB414681A - Manufacture of compositions and solutions for use in dyeing and textile printing : en
  • US1969324A - Machine for raising pavement : en
  • US1969014A - Adjustable joist framer : en
  • AU1500833A - Improvements in or relating to hay and like sweeps and to means for attaching them to motor vehicles : en
  • US1969097A - Apparatus for removing boots and shoes from lasts : en
  • AT138538B - Roof tiles. : de en
  • US1969113A - Automatic control system for warm air furnaces : en
  • US1969138A - Fruit and vegetable sizer : en
  • US1969427A - Dual back water valve : en
  • AT138498B - Process for the production of a practically salt, acid and gas-free distilled water for the purpose of preventing salt and slag deposits in the human body. : de en
  • DE1292552U - : de en
  • US1969150A - Tool retainer : en
  • GB414615A - Improvements in or relating to hydro-electric steering apparatus for ships : en
  • FR768702A - Device for the compensation of temperature errors in measuring instruments of the ferraris type : en fr
  • FR768566A - Gear change without break in continuity : en fr
  • DE601024C - Screw locking, especially for the railway superstructure : de en
  • AU1591134A - Oil burner worked bya steam jet sprayer : en
  • DE600947C - Device for evaluating punched tape : de en
  • GB414699A - Improvements in the manufacture and production of artificial compositions : en
  • GB414732A - Improvements in the construction of domestic and similar fireplaces : en
  • CA343827A - Oil absorption process : en fr
  • DE601133C - Device for the visible adjustment of the grinding pressure in Planhollaendern with two adjusting devices : de en
  • FR43745E - Training apparatus operated by muscle force and own weight of human body : en fr
  • AT138461B - Lever press for fruit u. like : de en
  • AT138497B - Glove. : de en
  • AU1744734A - Improvements in tennis racquets : en
  • US1969439A - Radiator : en
  • US1969615A - Screw driver : en
  • AT138477B - Zipper. : de en
  • CA343794A - Hard metal alloy : en fr
  • CA343824A - Carton assembling mechanism : en fr
  • FR768526A - Manufacturing process of azo dyes, resulting products and their application : en fr
  • GB414613A - Improvements in or relating to crank driving arrangements for jacquard controlled flat knitting machines : en
  • US1969110A - Measuring device : en
  • USD92973S - Design for a shoe : en
  • CA343663A - Feed water heater : en fr
  • CA343736A - Electrical apparatus and dielectric material : en fr
  • FR768417A - Improvements to agglomerated concrete blocks or similar substances used in constructions : en fr
  • CA343832A - Fuel feeding system : en fr
  • CA343848A - Ticket holder : en fr
  • FR768730A - Display support : en fr
  • GB414485A - Improvements in or relating to mercerisation of textile materials and like processes : en
  • CA343828A - Bituminous pavement : en fr
  • DE601185C - Cantilever for catenary lines : de en
  • CA343840A - Vertical retort : en fr
  • DE601236C - Process for the rearrangement of napene into pinene or camphene or from pinene into camphene : de en
  • DE601259C - Keyhole lock : de en
  • DE601196C - Process for the protection of animal fibers when treated with alkaline liquids : de en
  • DE601247C - An electrical capacitor built into a cylindrical glass housing made up of two caps that are narrowed at their ends : de en
  • FR768610A - Coat hanger : en fr
  • AU1422233A - Improvements in or relating to book-form savings-boxes : en
  • CA343729A - Electric gaseous discharge device : en fr
  • DE601109C - Rail vehicle for high speeds : de en
  • DK49080C - Hydraulic Joints, especially for diving suits and the like. : da en
  • GB414466A - Improvements in or relating to apparatus for cleaning bags, sacks and the like : en
  • GB414752A - Improvements in or relating to rotary machines of the sliding vane type : en
  • CA343820A - Anti-knock gasoline : en fr
  • DE601103C - Process to protect the wool fiber when treated with acid stripping baths : de en
  • AT138482B - device for the production of ceramic objects. : de en
  • GB414612A - Multiple electric meter device for measuring current and voltage : en
  • AU1684934A - Improvements in advertising and sign displaying devices : en
  • FR768705A - Improvements to automatic totalizing mechanisms of tabulator machines and the like : en fr
  • US1969142A - Tube coupling : en
  • DE601021C - Mobile braided laundry basket : de en
  • AT138480B - Process for the correct reading of lenticular films on photographic materials without a lenticular screen. : de en
  • CA343791A - Basic aluminium sulphate : en fr
  • FR768687A - Reinforced concrete part system for floor beams and all applications : en fr
  • GB414451A - Improvements in and relating to line spacing mechanism for typewriters and like machines : en
  • GB414758A - Improvements in or relating to jigging conveyors : en
  • US1969521A - Screen for automobile windows : en
  • FR43728E - Spinning spindle : en fr
  • GB414753A - Improvements in and relating to vacuum electric discharge tubes : en
  • DE599525C - Process for the production of bottle caps and similar hollow bodies from viscose by the dipping process : de en
  • US1969405A - Steam boiler : en
  • US1969571A - Transmission network : en
  • FR768625A - Phonographic disc recording and hearing apparatus : en fr
  • US1968880A - Article display device : en
  • DE601001C - Arrangement for swinging around a horizontal bolt, appropriately independently rotatable double wheels : de en
  • DE601117C - Condenser speakers : de en
  • DE601248C - Process for the protection of corrosive materials by painting : de en
  • FR768432A - Electric aro welding process : en fr
  • GB414697A - Improvements in or relating to combined light and heat radiators for medical purposes : en
  • DE601009C - Periodically acting absorption refrigeration machine : de en
  • DE601071C - Radially loaded counter-rotating turbine with steam supply or steam extraction within the counter-rotating part : de en
  • GB414635A - Application of rarefied gas tubes to automobile vehicles and the like : en
  • GB415091A - Improvements relating to apparatus for charging paste-like substances into containers, e.g. jars, pots and the like : en
  • US1969224A - Tire valve : en
  • US1969515A - Window fixture : en
  • US1968970A - Invalid bed attachment : en
  • US1969617A - Preserving device : en
  • FR768401A - Process for the agglomeration of all textile fibers or manufacturing waste with a rubbery product or similar product : en fr
  • FR768419A - lead clip, metallic and elastic : en fr
  • US1969262A - Calculating machine : en
  • US1969414A - Turnstile : en
  • GB414743A - Press for artificial resins : en
  • DK49090C - Procedure and device for heating railway wagons. : da en
  • US1969289A - Automatic speed change power transmission apparatus : en
  • US1969596A - Margin stop for typewriting machines : en
  • US1969145A - Eyeglass construction : en
  • FR768691A - Electric circuit breaker with liquid injection cut-off pot : en fr
  • FR768465A - Turbine with rotors rotating in opposite directions and traversed by steam in a radial direction, with unequal distribution of power : en fr
  • GB414658A - Improvements in or relating to machine guns : en
  • FR43721E - Process for the production of cellulose esters in the fibrous state : en fr
  • FR768657A - Method and machine for reproducing hooves and other wooden articles : en fr
  • FR43735E - Device ensuring the safety of railway convoys : en fr
  • FR768484A - Method and control devices for driving compressed air chambers : en fr
  • GB414611A - Improvements in luminous sources formed by electric discharge tubes : en
  • DE601270C - Apparatus for making paper bags : de en
  • US1969267A - Method of preparing subgrades for roads and highways : en
  • CA343720A - Sponge rubber article : en fr
  • FR768504A - Improvements made to geared speed change mechanisms, in particular those for motor vehicles : en fr
  • FR768516A - Camera body : en fr
  • FR768658A - Machine for sorting delicate fruits and other applications : en fr
  • FR768674A - Improvement in billiards : en fr
  • GB414659A - Improvements in or relating to machine guns : en
  • IE13101L - Tanks for transporting wine. : en
  • US1969170A - Dispensing machine : en
  • GB414523A - Improvements in or relating to the manufacture of thermionic valves and the like : en
  • US1969625A - Folding box : en
  • US1969687A - Chuck : en
  • US1969700A - Sheet leveling mechanism : en
  • US1969443A - Shade bracket : en
  • USD92957S - Design for a glove : en
  • FR768485A - Improvements in electron emitters and their manufacturing methods : en fr
  • FR768624A - Radio wave signaling system : en fr
  • DE601214C - Sound receiving device : de en
  • US1969058A - Signaling system for railroads : en
  • US1969459A - Lamp voltage control device : en
  • CA343806A - Glass drawing tank : en fr
  • US1969227A - Method of making hose : en
  • DK49098C - Pessar. : da en
  • DE601168C - Device for printing counter information : de en
  • GB414693A - Improvements in variable speed gearing : en
  • CA343755A - Connection : en fr
  • CA343839A - Clutch : en fr
  • DE601088C - Radiation-sensitive organ for radiation pyrometers : de en
  • GB414424A - Improvements in or relating to apparatus for practising ball games : en
  • GB414494A - Improvements in or relating to building sheets or the like : en
  • US1969291A - Artificial wood board and a process for manufacturing the same : en
  • US1968867A - Electric instrument handle : en
  • AT138451B - Cartridge with electric ignition. : de en
  • US1969704A - Acoustic device : en
  • DE601052C - Synchronous reaction machine with stand and runner made of laminated sheet metal : de en
  • AU1412033A - Improvements in or relating to apparatus for sinuously looping sheet material : en
  • AT138468B - Photographic lens shutter. : de en
  • US1969415A - Rear view mirror for motor vehicles : en
  • CA343844A - Nut processing : en fr
  • US1969591A - Organ pipe : en
  • US1968931A - Automobile headlight : en
  • US1969550A - Electric welding system : en
  • AT138514B - Push-pull amplifier. : de en
  • DK49084C - Procedure for Making Writing Inks. : da en
  • GB414567A - Improvements in and relating to machines for stretching and rolling crepe paper : en
  • GB414661A - Improvements relating to receptacles for metal sheets : en
  • AU1365033A - Improvements relating to push-pull amplifier arrangements : en
  • DE601167C - Cash register : de en
  • GB414503A - Improvements relating to automatic telephone and like selective systems : en
  • GB414522A - Improvements in and relating to apparatus for mixing pulverulent material with liquids : en
  • DE601269C - Process for the production of preparations of the active ingredient in the pineal gland which inhibits oestrus : de en
  • US1969198A - Parking device : en
  • US1969207A - Natural gasoline recovery : en
  • AT138465B - Device for the production of cinematographic combination images. : de en
  • AT138528B - Group slider. : de en
  • US1969282A - Heat accumulator : en
  • US1969626A - Smoke density meter device : en
  • US1969642A - Luminescent electrical discharge device : en
  • US1969464A - Dyeing and printing of acetate silk : en
  • US1969505A - Machine for marking shoe uppers : en
  • US1969153A - Percussion tool : en
  • DE601032C - Starting device for carburettor : de en
  • GB414585A - Improvements in a lamp : en
  • US1968838A - Wind indicator : en
  • CA343673A - Dynamo regulator : en fr
  • US1969369A - Electrical signaling and indicating means : en
  • US1968858A - Dentifrice : en
  • US1969412A - Safe device : en
  • US1969576A - Electric switch operating mechanism : en
  • US1969040A - Drill bit : en
  • DE601074C - Switch with arc extinguishing by flowing compressed gas : de en
  • DE601272C - Device for feeding fire-extinguishing foam into a container for flammable liquids : de en
  • US1969600A - Method of saccharifying cellulosecontaining substances, such as wood, by means of mineral acids : en
  • AT138501B - 2Methods of telegraphing and telephoning electrical waves. : de en
  • USD92986S - Design for a beverage dispenser : en
  • FR768578A - element for measuring concentration, particularly comprising a calomel electrode, for measuring the concentration of liquids : en fr
  • AT138456B - Wire mesh device for packaging lumpy goods, in particular granulated fuels. : de en
  • AT138535B - Process for the production of bags, purses and the like like : de en
  • AU1270533A - Improved wellpoint and strainer : en
  • CA343853A - Radio interference eliminating apparatus : en fr
  • FR768712A - Gear shift mechanism : en fr
  • DE601155C - Label tape or other tape to be cut through at certain intervals and method for its production : de en
  • US1968856A - Treatment of textile materials : en
  • US1968895A - Sulphur dye and method for its preparation : en
  • US1969259A - Device for reducing the capacity of molds and method of using the same : en
  • US1969534A - Lighting fixture : en
  • GB414642A - Improvements in or relating to the braking of rotatable members : en
  • US1968828A - Automatic oil and temperature control system for motor vehicles : en
  • US1969548A - Hose clamp or connection and method of clamping the end of a hose : en
  • CA343776A - Glassware forming apparatus : en fr
  • GB414452A - The manufacture of asymmetrical thiourea-derivatives : en
  • GB414561A - Improvements relating to remote controlled pressure fluid clutches : en
  • FR768661A - Regulating device for back pressure steam engines by combined speed and pressure regulators and load balancing motor : en fr
  • FR43724E - Improvements in vehicle platforms, and combined tie-downs, in particular for the transport of aircraft parts : en fr
  • GB414429A - Improvements in and relating to trump indicators : en
  • US1969018A - Alloy : en
  • US1969149A - Clutch : en
  • US1969194A - Nut cracker : en
  • US1969221A - Marking machine : en
  • US1969456A - Television scanning system : en
  • AT138490B - Bicycle bell. : de en
  • CA343667A - Window : en fr
  • US1968929A - Rail tie and fastener : en
  • US1969609A - Cleaning device : en
  • DE601040C - Film pack housing : de en
  • AU1406233A - Improved composition or mixture forthe making of leavened bread andthe like : en
  • US1968812A - Apparatus for freezing materials and storing and dispensing frozen products : en
  • US1969237A - Manufacture of acetic acid anl lactic acid : en
  • CA343740A - Carboxylic acid : en fr
  • US1969209A - Radio receiving apparatus : en
  • US1969595A - Opening automobile top : en
  • USD92988S - Design fob a spoon or similar : en
  • US1968877A - Bottle carrier : en
  • US1969603A - Erasing shield : en
  • US1968903A - Insulated electrical conductor and method of making the same : en
  • AT138493B - Boots for sport, work and the street. : de en
  • GB414678A - Shafts of golf and like clubs : en
  • AT138510B - Lighting device for instruments for examining body cavities. : de en
  • CA343732A - Camera : en fr
  • CA343833A - Metal trimming mechanism : en fr
  • DE601184C - Evaporator with pre-heater : de en
  • GB414590A - Improved machine for testing the strength and hardness of metals : en
  • US1969072A - Means for measuring and indicating temperature from a distance : en
  • US1969384A - Cigarette package : en
  • USD92964S - Design for a combined casket lug : en
  • AT138549B - System for remote control and remote control. : de en
  • US1969155A - Dampening mechanism for lithographic offset presses and the like : en
  • US1968810A - Hub brake : en
  • US1968819A - Dyeing of textile materials : en
  • US1968982A - Internal combustion engine : en
  • US1969057A - Hinge : en
  • US1969251A - Pile point : en
  • US1969677A - Safety holder for tools : en
  • DE600777C - Antenna shaft with contact closure : de en
  • AU1279533A - Improvements in or relating to radio receivers : en
  • US1969180A - Cigarette machine : en
  • US1969636A - Adhesive : en
  • US1969197A - Oven door : en
  • DE601079C - Process for the production of centrifugally cast hollow bodies : de en
  • GB414606A - Improvements in or relating to lead alloys resistant to corrosion by acids : en
  • US1969435A - Electromagnetically controlled brake : en
  • CA343792A - Alumina production : en fr
  • CA343807A - Glass : en fr
  • US1969070A - Storage battery : en
  • USPP100P - Avocado : en
  • CA343712A - Rail end reforming method : en fr
  • CA343702A - Rag ripper : en fr
  • CA343837A - Polymerized hydrocarbon production : en fr
  • US1968990A - Hydraulically indexed machine tool : en
  • CA343850A - Hydraulic variable speed power transmission : en fr
  • CA343709A - Aeroplane take-off device : en fr
  • DE601035C - Piston pumps, especially fuel pumps for multi-cylinder internal combustion engines : de en
  • DE601078C - Depilatories : de en
  • CA343681A - Glass bottle forming machine : en fr
  • CA343678A - Ice cream scoop : en fr
  • US1969185A - Apparatus for use in teaching piano-playing : en
  • US1969613A - Automatic feed for driers : en
  • CA343774A - Aircraft landing wheel : en fr
  • FR768699A - Process for reducing the viscosity of nitrocellulose : en fr
  • GB414588A - Improvements in or relating to multiple variable condensers : en
  • DE601262C - Process for the production of ester-like high molecular weight products : de en
  • GB414737A - Improvements in and relating to floors and roofs for buildings : en
  • AT138541B - Arrangement of storm clips for roofing made of asbestos-cement slate. : de en
  • AU1682134A - Improvements relating to duplicating apparatus : en
  • US1968932A - Electrically operated clock : en
  • US1969023A - Agricultural implement : en
  • US1969309A - Combined light and reed hook : en
  • US1969352A - Sweat band for hats : en
  • US1969561A - Transmission mechanism : en
  • AT138525B - High frequency amplifier. : de en
  • AU1114033A - Vulcanization of rubber : en
  • CA343799A - Short wave oscillation generator : en fr
  • CA343737A - Motor control system : en fr
  • US1969529A - Terminal : en
  • AT138537B - Window rotatable in both directions about a central axis. : de en
  • US1969032A - Ironing board : en
  • US1969446A - Photographic emulsion containing pseudo-cyanine dyes : en
  • US1969684A - Ripper : en
  • AT138453B - Flashlight. : de en
  • FR768731A - Pyrophoric lighter : en fr
  • FR43733E - Emulsifying powder making it possible to obtain aqueous emulsions of mineral oils with a view in particular to the treatment of plants : en fr
  • GB414476A - Improvements in or relating to golf clubs : en
  • US1969685A - Spinning unit : en
  • US1968850A - Inking mechanism for printing machines : en
  • US1969114A - Clasp brake : en
  • CA343841A - Fibrous material processing : en fr
  • GB415045A - Improvements relating to machines for cutting potatoes applicable to analogous purposes : en
  • US1969492A - Pressure temperature method and apparatus for the control of heating : en
  • CA343758A - Rubber vulcanization : en fr
  • CA343767A - Grease cup : en fr
  • GB414454A - Improvements in or relating to traverse motions of yarn winding machines : en
  • GB414496A - Improvements in and relating to motor-driven turning lathes and the like : en
  • US1968925A - Universal joint : en
  • US1969325A - Hot metal car : en
  • US1969679A - Liquid gauge : en
  • US1969512A - X instrument -mounting- : en
  • US1968817A - Method and system of circuits for overcoming static effects : en
  • GB414525A - Improvements in and relating to constructional elements for walls, floors, ceilings and partitions of buildings and other structures : en
  • US1969039A - Toy figure or the like : en
  • FR768739A - Advanced lighter : en fr
  • CA343771A - Fire extinguisher : en fr
  • FR768651A - Improvements in the manufacture of complicated shaped plastic parts, motor vehicle steering wheels and others in particular : en fr
  • GB414555A - An improved method of and means for recording sound : en
  • FR768744A - Improvements made to machines for setting perforated tiles in cement, plaster, etc. : en fr
  • US1968983A - Grab : en
  • US1969100A - Filing cutting, scraping and manicuring implement : en
  • FR43744E - Casting model for dental prosthesis : en fr
  • DE601085C - Process for the production of objects from rubber milk : de en
  • GB414471A - Tobacco pipe : en
  • GB414544A - Mechanism for automatically adjusting the operation of steam pressure regulators in steam heating systems : en
  • DE600979C - Process for the preparation of fibrous cellulose acetates : de en
  • DE600982C - Process for the preparation of fibrous cellulose esters : de en
  • DE601058C - Rollable gymnastics and sports equipment for row-like body movements : de en
  • US1969614A - Oven : en
  • US1969255A - Firearm receiver : en
  • US1969230A - Method of increasing the production of deep wells : en
  • US1969059A - Railway track circuit : en
  • AU1511033A - Improvements in apparatus for delivering material in measured quantities : en
  • CA343798A - Separable fastener : en fr
  • DK49104C - Procedure for Increasing the Amount of the Electron-Giving Substance in Cathodes Coated with Compounds of Baryum or Strontium or Both Substances. : da en
  • US1969655A - Reaction chamber : en
  • GB414563A - Improvements in and relating to electric circuit controlling apparatus : en
  • DE601237C - Process for the production of bismuth phenolates : de en
  • USD92942S - Design fob a serving table : en
  • GB414684A - Process for the manufacture of azodyestuffs and intermediate products therefor : en
  • US1968892A - Mounting for rock drills : en
  • US1969395A - Collapsible paste tube : en
  • US1968904A - Apparatus for lining can ends : en
  • US1969425A - Trimmer saw : en
  • DE601059C - Dough piece notching machine : de en
  • AU1321233A - Improvements inthe production of solid carbon dioxide : en
  • CA343803A - Machine for forming hollow glass articles : en fr
  • CA343846A - Electric switching station : en fr
  • CA343679A - Ice cream scoop : en fr
  • FR768464A - Turbine with two rotors rotating in opposite directions, traversed by steam in the radial direction : en fr
  • GB414543A - An improved smokers' tobacco pipe : en
  • US1968923A - Dyeing preparation and its conversion to dyestuffs : en
  • IE13635L - Krypton and xenon : en
  • DE601229C - -Process for fortifying dietetic foods with inulin : de en
  • US1969146A - Moldable composition : en
  • US1969008A - Machinery packing : en
  • US1969115A - Stretching tool : en
  • US1969310A - Turntable for radio chassis and the like : en
  • GB414614A - Improvements in recording microphotometers : en
  • US1969263A - Electric switch : en
  • CA343831A - Knitted fabric : en fr
  • FR768565A - Method and devices for repeating a track signal on a moving train : en fr
  • US1968827A - Brush : en
  • US1969578A - High frequency generator : en
  • US1968836A - System of and apparatus for visually interpreting the operating of a control mechanism : en
  • US1969171A - Umbrella construction : en
  • DE601235C - Method and device for cutting wire into pieces of a certain length : de en
  • FR768434A - Absorption refrigerators with pressure balancing gas : en fr
  • GB414438A - An attachment for supporting a small electric lamp on one or more fingers, the thumb, or wrist of the users hand : en
  • FR768440A - Method for designating a predetermined route in space : en fr
  • FR768748A - Ball catch : en fr
  • FR768444A - Closures for cases, boxes and the like : en fr
  • GB414430A - Improvements in or relating to clothes-washing machines : en
  • US1969586A - Hand cigarette making device : en
  • US1969026A - Fastening device : en
  • US1969041A - Brake lining composition : en
  • US1969098A - Metal-containing nondyeing thioderivative from phenols and process of preparing the same : en
  • US1969275A - Method of forming rubber articles : en
  • US1969692A - Telegraph printing system : en
  • US1969701A - Waterproofing and tanning composition and method of preparation : en
  • US1969187A - Heat balancing system : en
  • AU1285333A - Improvements in luminous signs comprising electric luminous discharge tubes : en
  • FR768512A - Ice cream maker also serving as champagne bucket : en fr
  • FR768587A - Container for boiling milk, provided on its edge with a spout which rises gently : en fr
  • GB414570A - Manufacture of aromatic dicarboxylic acid chlorides : en
  • AT138481B - Money counting machine. : de en
  • AT138531B - Process for coating the brush body including the pitch of the bristles of paint brushes and painters' discs with a protective layer. : de en
  • US1969553A - Electrolyte for the deposition of : en
  • US1969211A - Lawn mower : en
  • US1969678A - Ferric chloride etching solutions : en
  • DE601097C - Arrangement for connecting housing parts, especially for telephones : de en
  • US1969546A - Method and apparatus for showing uniformity of sheet formation in paper making machines : en
  • FR768583A - Methods and apparatus for constructing or changing railway tracks : en fr
  • US1969135A - Heat exchanger : en
  • US1969400A - Puncture-sealing inner tube : en
  • US1969491A - Insecticide : en
  • CA343694A - Hairpin : en fr
  • US1968830A - Wire tightener or puller : en
  • US1969526A - Power plant : en
  • FR768468A - High manganese steel construction components, and process for their manufacture : en fr
  • US1969038A - Electric furnace : en
  • US1969537A - Method and means for determining altitude from aircraft : en
  • FR768570A - Interior shoe brake enhancements for vehicles : en fr
  • USD92975S - Design for a bottle or similar : en
  • GB414470A - Basket for centrifugal machine : en
  • GB415028A - Improvements in or relating to bracket shelves : en
  • FR768443A - Blade holder for harvesters and mowers : en fr
  • GB414582A - Improvements relating to electric dry cells : en
  • IE13211L - Dust extraction apparatus : en
  • US1969154A - Dampening device for lithographic offset presses and the like : en
  • US1969643A - Beer cooling and dispensing apparatus : en
  • US1969238A - Method and means of submerged cutting : en
  • AT138473B - Post-synchronization process and optical guide for its implementation. : de en
  • CA343730A - Thermionic apparatus : en fr
  • GB414654A - An improved hydraulically controlled variable-speed gear : en
  • GB414667A - Manufacture of halogenated arylamines : en
  • FR768688A - Hand guard for cutting meat with a knife : en fr
  • AT138470B - Heating device for the embossing cylinder on machines for embossing films. : de en
  • AU2133353A - Improvements in or relating to apparatus suitable for use in operating on shoe uppers : en
  • US1969703A - Production of solid carbon dioxide : en
  • US1969305A - Combination telephone stand and telephone directory secretary and bookrack : en
  • US1969517A - Apparatus for removing coatings from wires or strips : en
  • AT138467B - Line-up device for letter files. : de en
  • US1969699A - Control of direct current for motors : en
  • CA343741A - Ammonium nitrate : en fr
  • GB414619A - Improvements applicable to suspension bridges : en
  • GB414736A - Improvements in apparatus for disintegrating and mixing clay and the like : en
  • FR768650A - Process of plastic coating of all wooden objects : en fr
  • US1969007A - Storage battery : en
  • US1969047A - Refining cracked gasoline : en
  • FR768627A - Improvements to rotary machines particularly intended for pumping : en fr
  • FR768711A - Process for the manufacture of automobile brake drums and other parts having the shape of a body of revolution, machine for the application of this process and articles resulting therefrom : en fr
  • CA343725A - Propeller : en fr
  • US1968919A - Tank gauge : en
  • US1969602A - Tire chain tightening device : en
  • FR43722E - New glasses based on aluminum orthophosphate : en fr
  • US1968952A - Antiskid device : en