• CA402966A - Maximum demand meter recording device : en fr
  • CA402969A - Insulating tape making method : en fr
  • CA402959A - Food product preserving method : en fr
  • DE716744C - Electrical system that can be switched off by fuses : de en
  • US2273127A - Heating control system : en
  • US2273464A - Method of splicing rubber articles : en
  • US2273171A - Remote control apparatus : en
  • US2273651A - Spark plug : en
  • USD131423S - Design for a clock : en
  • DE717747C - Method of light modulation : de en
  • US2273235A - Ultraviolet or electronic microscope : en
  • US2273535A - Control device for refrigerating systems : en
  • US2273217A - Method of and apparatus for controlling flow : en
  • US2273425A - Chewing gum : en
  • USD131434S - Design fob an ash tray : en
  • US2273123A - Control apparatus : en
  • US2273313A - Plastic or spreadable fiber-binder composition and method of making sheets, boards, and molded articles therefrom : en
  • US2273315A - Hydraulic work device : en
  • US2273593A - Resins containing rubber : en
  • US2273030A - Process of preparing phenols : en
  • USD131404S - Glass naffy or article op similar nature : en
  • CA402895A - Electric transformer : en fr
  • US2273446A - Rug weaving frame : en
  • US2273581A - Passenger operated swing device : en
  • CA402912A - Sheet stacking apparatus : en fr
  • CA402935A - Railway preference traffic signal control system : en fr
  • US2273603A - Art of cleaning cylindrical containers : en
  • FR869787A - Liquid actuated electric feeler : en fr
  • FR869794A - Support for rod cathodes of direct-heated electron ray tubes, and more specifically braun tubes, with a cap bearing the emission layer holding them on the ceramic part : en fr
  • US2273270A - Concentration apparatus : en
  • US2273743A - Collapsible dress form : en
  • DE717574C - Circuit arrangement for the optional four-wire or two-wire connection or end connection of a four-wire or two-wire channel : de en
  • FR869805A - : fr
  • US2273102A - Grip bolt : en
  • CA402918A - Mandrel assembly : en fr
  • CA402867A - Fabric finishing apparatus : en fr
  • GB543298A - Explosives : en
  • AU114654B2 - Demountable freight container : en
  • CA402865A - Overburden drilling device : en fr
  • US2273036A - Electrodeposition of metals : en
  • US2273460A - Whip roll : en
  • US2273555A - Camera construction : en
  • DE717576C - Ultra-short wave intercom arrangement in which one and the same tube in braking field circuit is used for sending and receiving : de en
  • FR869839A - Safety glass manufacturing process : en fr
  • US2273723A - Recovery of chlorine from gaseous mixtures : en
  • US2273058A - Automatic safety control : en
  • GB543238A - Electric signalling system : en
  • US2273060A - Can body making machine : en
  • US2273737A - Vent device for gasoline containers and the like : en
  • US2273078A - Means and method for producing sound effects : en
  • US2273751A - Electric switch with time control mechanism : en
  • CA402903A - Switchboard mounting : en fr
  • NL51921C - : en
  • DE717688C - Self-seller with several rows of goods removal devices locked by a common coin release : de en
  • FR869788A - Multiple vacuum switch or relay : en fr
  • US2273411A - Device for regulating the fuel admission of internal combustion engines : en
  • US2273504A - Means for mounting fire extinguishers on automotive vehicles : en
  • US2273176A - Floor heater : en
  • US2273342A - Pump jack : en
  • CA402992A - Exhaust conduit cooling device : en fr
  • DE717738C - Multi-part magnetite electrode : de en
  • CA402955A - Electron tube : en fr
  • US2273216A - Fuel and valve control system for internal combustion engines : en
  • AU95741A - Pressure observer in which the displacements of a diaphragm are translated into an electrical effect : en
  • US2273197A - Combined bar support and spacer : en
  • US2273589A - Method of making porous metal bodies : en
  • FR869752A - Locking device for adjustable windows of cars, in particular for the windshield glass of motor cars : en fr
  • US2273284A - Tobacco curing apparatus : en
  • US2273732A - Method of making slide fasteners : en
  • US2273776A - Code translating machine and mechanism : en
  • US2273053A - Torsion spring suspension for railway trucks : en
  • USD131416S - Design for a pin ob similar article : en
  • US2273124A - Ladder : en
  • US2273210A - Device for detachably clamping cylindrical sections together : en
  • US2273530A - Telephone set : en
  • CA402890A - Brake shoe : en fr
  • FR869779A - Improvements made to milling machines for notching the notches of disc keys, woodruff type : en fr
  • DE717588C - Electrical discharge vessel with metal vapor filling and anode arms protruding from the vessel : de en
  • US2273350A - Method of handling dehydration : en
  • DE717627C - Seal for rotating shafts, in which a sealing body rotating with the shaft lies against a counter surface that is inclined to the shaft axis : de en
  • DE717484C - Device for electrolyte drainage during the electrolytic deposition of metals : de en
  • DE717526C - Safety device for X-ray irradiation systems : de en
  • ES6887U - Rubber sandal with wool lining or other similar fabric, with vulcanised sole and cut simultaneously (Machine-translation by Google Translate, not legally binding) : en es
  • DE717666C - Positive coal for high power arc lamps : de en
  • ES5790Y - Device to inhibit hemorrhages. : en es
  • DE717719C - Packaging jar with spring lid : de en
  • ES5783Y - Recessed clamp for fastening, in the factory, the frames of doors and windows. : en es
  • USD131406S - Glass relish dish or article of similar nature : en
  • DE717657C - Saddle insulator : de en
  • DE717756C - Control procedure to achieve a power balance and to prevent the harmful overloading of the engine for aircraft engines : de en
  • US2273114A - Hand lamp : en
  • US2273158A - Polymerization process : en
  • US2273089A - Catalytic conversion apparatus : en
  • GB543236A - Improvements relating to pneumatic tyres : en
  • US2273267A - Type mounting structure : en
  • US2273687A - Diacylamino-i : en
  • US2273798A - Electrolytic process : en
  • US2273574A - Wheel brake mechanism : en
  • US2273451A - Newspaper conveyer : en
  • US2273429A - Photographic camera with built-in exposure meter : en
  • AU150641A - Distributor for fertilisers and the like : en
  • US2273285A - Narrowing device for flat knitting machines : en
  • DE717731C - Shoe holder for glaette presses : de en
  • US2273459A - Purification of acetic acid : en
  • US2273655A - Pipe bending machine : en
  • FR869770A - Pressurized fluid installation for moving aircraft construction components : en fr
  • GB543343A - Improvements in clamping devices for use in machining work : en
  • FR869820A - Hydraulically operated motion transmission device adaptable to various machines as well as motor vehicles : en fr
  • ES144330A2 - IMPROVEMENTS MADE IN PATENT NUMBER 141428 : en es
  • ES5822Y - Gas heated iron. : en es
  • GB543271A - Improvements relating to indicating and recording instruments : en
  • US2273619A - Receiver circuits : en
  • DE717740C - Direction finder : de en
  • FR869819A - Cable tie for joining and branching cables : en fr
  • DE717762C - Electrically driven shuttle for round looms : de en
  • US2273550A - Impulse sender : en
  • US2273747A - Coded airplane light : en
  • ES5829Y - Container consisting of a wooden veneer can. : en es
  • GR9788B - METHOD OF STANDARDIZATION AND PREPARATION OF TABLETS OF ALL KINDS OF FOOD AND FLUFFICIENT. : el en
  • US2273512A - Viewing instrument for stereoscopic pictures and the like : en
  • US2273596A - Direct current remote indicating system : en
  • USD131437S - Design for an archer s arm guard : en
  • US2273275A - Motor control system : en
  • US2273494A - Stall partition : en
  • US2273105A - Method and apparatus for the production of artificial structures : en
  • US2273612A - Noninterrupted-current multiple circuit controller : en
  • GB543227A - Improvements in or relating to rotary valves for internal-combustion engines, pumps and the like : en
  • US2273165A - Tariff determining equipment for telephone systems : en
  • US2273782A - Washer feeding device : en
  • US2273536A - Electrical shears : en
  • US2273253A - Beet sugar manufacture : en
  • US2273369A - Metal-turning-lathe attachment : en
  • US2273438A - Liquor treating apparatus : en
  • DK59496C - Percussion Fire Tube for Projectiles. : da en
  • GB543231A - A system of converting lorries and cars into endless track tanks : en
  • DE717481C - Arc extinguishing device : de en
  • FR869793A - Multi-stage, intercooled radial vane compressor : en fr
  • DE717610C - Piston rod seal for high pressure gas compressor : de en
  • US2273242A - Buttonhole cutting mechanism for sewing machines : en
  • USD131419S - Design for a cap : en
  • US2273352A - Internal combustion engine : en
  • US2273674A - Egg carton : en
  • ES5809Y - Dropper bottle. : en es
  • GB543281A - Improvements in and relating to safety razors : en
  • DE717624C - Two-stroke diesel engine used to drive a pile driver : de en
  • FR869823A - Improvements to motor vehicles : en fr
  • US2273209A - Fishing kite : en
  • DE717706C - Roll-off tester for gears : de en
  • US2273786A - Preparation of acids and acetals from esters and aldehydes : en
  • ES144560A1 - A method of manufacturing a metal agglomerate. : en es
  • US2273487A - Strain-relief means for electrical cords : en
  • US2273665A - Method of decorating and resurfacing metals : en
  • US2273783A - Washer feeding device : en
  • US2273409A - Display rack : en
  • DE717552C - Plywood board and process for its manufacture : de en
  • DK59486C - Motor-driven Vending Machine with several Shafts. : da en
  • ES5806Y - Perfected shuttle. : en es
  • GB543162A - Improvements in knapsacks : en
  • US2273428A - Furniture : en
  • US2273450A - High pressure metal vapor lamp : en
  • DE717636C - Water mines united into one body : de en
  • US2273257A - Evaporation of liquefied gases : en
  • US2273398A - Flexible hose coupling : en
  • CA402975A - Storage battery : en fr
  • DE717645C - Device for the automatic supply of additional fresh air for furnaces : de en
  • US2273399A - Machine tool : en
  • AU415239A - Improvements in or relating to electron discharge tubes : en
  • US2273307A - Thermostatic unit : en
  • ES142729A1 - A procedure for the manufacture of scalloped ribbon forming arches in all its length imitating lace. : en es
  • GB543291A - Process for facilitating the loading of synthetic superpolyamide threads and other materials : en
  • DE717557C - Centrifugal ball mill : de en
  • DE717561C - Windows for gas masks : de en
  • US2273263A - Sweetening petroleum oils : en
  • US2273484A - Process for manufacturing synthetic rubber from furfurol : en
  • US2273708A - Stable yellow cuprous oxide : en
  • DE717626C - Device for regulating the air supply in internal combustion engines operating under variable external air pressure : de en
  • DE717637C - Headlight with reflector and lens : de en
  • AU114658B2 - Improvements in or relating to rotary folding mechanism : en
  • US2273584A - Copyholder : en
  • US2273767A - Steam generator : en
  • US2273062A - Stabilization of oils : en
  • US2273320A - Hydrocarbon reactions : en
  • DE717541C - Circuit for magnetron tubes with two groups of axially parallel electrode segments that are symmetrical to the cathode : de en
  • GB543275A - Improvements in shuttle guards for looms for weaving : en
  • DE717642C - Arrangement for tuning tuning forks, the clamping of which is continuously adjustable : de en
  • DE717231C - Elastic shaft coupling : de en
  • FR869762A - Profiled spool with flat tape winding : en fr
  • GB543300A - Improvements in or relating to web tensioning apparatus for printing or other machines : en
  • GB543310A - Improvements in or relating to electric glow-discharge tubes : en
  • DE717566C - Clamping and locking device for sleeveless iron strapping on packages : de en
  • DE717716C - Coupling for double windows : de en
  • CA402904A - Electric cable : en fr
  • US2273750A - Means for determining the consistency of concrete mixtures : en
  • US2273147A - Decolorization of mineral oils : en
  • DE717591C - Rotatable filing cabinet : de en
  • FR51262E - Improvements to magnetic amplifiers : en fr
  • GB543328A - Improvements in and relating to electric measuring or detecting apparatus for indicating and recording movements : en
  • US2273472A - Conveyer : en
  • FR869802A - New game of skill consisting in obtaining, by the fall of one part of the game on the other, the superposition of conventional signs : en fr
  • DE717599C - Crank disc jack : de en
  • DE717575C - Circuit arrangement for telephone extension systems : de en
  • US2273781A - Means for transmitting heat and power : en
  • US2273161A - Polarized wave modulation by phase variation : en
  • USD131429S - Design for a brooch or similar article : en
  • US2273420A - Centrifugal pump : en
  • US2273486A - Copyholder : en
  • USD131432S - Design foe. a connecting rod : en
  • DE717665C - Electric ceiling and wall lamp : de en
  • ES5782Y - Paper bag with handle. : en es
  • US2273073A - Electromagnet : en
  • US2273376A - Cutting tool : en
  • US2273377A - Mechanical chuck : en
  • US2273466A - Laminated structure : en
  • US2273568A - Colored print : en
  • DE717664C - Arc lamps with saver and straightening of the coals : de en
  • FR869843A - Tempering process for ice creams or sheets of glass : en fr
  • GB543313A - Improvements in thread tensioning devices : en
  • ES6493Y - Sack will be mixed. : en es
  • DE717505C - Tub furnace for glass : de en
  • US2273770A - Process of making brake lining : en
  • DE717530C - Exchange pen with a switching device operated by a rotary knob : de en
  • GB543332A - Improvements in volume compressor and/or volume expander systems for radio and like systems : en
  • US2273772A - Crusher : en
  • DE717581C - Device to compensate for the operational heat stresses occurring in the stator core of electrical machines : de en
  • FR51300E - Improvements to signal repetition control devices on trains : en fr
  • US2273228A - Retractable boring tool : en
  • US2273722A - Preparation of solid caustic : en
  • US2273731A - Stainless steel containing bismuth : en
  • FR869796A - : fr
  • US2273682A - Polyvinyl chloride solution and method of making the same : en
  • DK59499C - Standpipes for toilet flush cisterns. : da en
  • US2273196A - Process for the preparation of uscharin and uscharidin : en
  • USD131403S - Design for a candelabra : en
  • US2273567A - Multiple subject and multiple color picture : en
  • FR869822A - Streamlined body : en fr
  • US2273200A - Artificial structure : en
  • US2273648A - Fastener : en
  • FR869848A - Machine for establishing compressed concrete piles, so-called piles made on site : en fr
  • DE717441C - Method for reducing the cross-talk between the inductively unloaded trunk lines of a quad operated in a four-wire circuit : de en
  • GB543353A - Improvements relating to the manufacture of woven plush or pile fabrics : en
  • FR869789A - Process for the partial combustion of methane to carbon monoxide and hydrogen : en fr
  • FR869797A - Process for concentrating and purifying dispersions : en fr
  • GB543315A - Improvements in or relating to absorption refrigerating apparatus : en
  • US2273099A - Electrical connector contact element strip and the method of making the same : en
  • DE717691C - lamp : de en
  • US2273258A - Boring tool holder : en
  • US2273088A - Massaging table : en
  • US2273552A - Register actuating means : en
  • DE717517C - Steering device, especially for motor vehicles : de en
  • US2273080A - Shoe stitcher structure : en
  • US2273539A - Adjustable fender shield : en
  • ES5857Y - Razor blade and machine. : en es
  • ES6029Y - Hair waving device. : en es
  • USD131414S - Design for a ventilated finger ring : en
  • GB543240A - Improved method of and means for forming a radius by a grinding operation : en
  • US2273143A - Audio volume control circuit : en
  • US2273502A - Warming up and drying out means for automotive equipment : en
  • US2273507A - Antisplitting device : en
  • US2273111A - Pressure control system : en
  • US2273229A - Lid lifter : en
  • GB543223A - Improvements relating to systems for the transmission of sonorous and ultra-sonorous waves, particularly for use in submarine transmission : en
  • CA402869A - Rubber garment and form : en fr
  • GB543265A - Manufacture of carbonyl compounds having a cyclopentanopoly-hydrophenanthrene ring structure and enol esters thereof : en
  • DE717678C - Transport lock for pendulum clocks with striking mechanism : de en
  • FR869811A - Charcoal drying device particularly applicable on gasifier vehicles : en fr
  • FR869828A - Improvements to fuels, such as in particular those for use in internal combustion and internal combustion engines, and their production processes : en fr
  • FR869766A - Felt : en fr
  • FR51283E - Landing method following guide paths : en fr
  • DE717534C - Impact tool : de en
  • DE717727C - Mill drying plant : de en
  • FR869763A - Horizontal reamer for very deep reaming : en fr
  • US2273803A - Bearing for sensitive instruments : en
  • DE717494C - Cam control for multiple valve regulators of steam locomotives : de en
  • DE717659C - Connector pin for electrical connector : de en
  • DE717598C - Device for the automatic recording of the volume of the notes played on keyboard instruments : de en
  • DE717542C - Circuit arrangement for communications equipment in which the heating filaments of electron tubes are connected to incandescent lamps to the same power source : de en
  • ES148519A1 - COMPRESSOR INSTALLATION WITH VARIABLE SPENDING : en es
  • ES6975U - Connecting tube for tire inflation pumps. (Machine-translation by Google Translate, not legally binding) : en es
  • FR869845A - Cigar machine : en fr
  • DE717510C - Process for rendering genuine protein odorless : de en
  • CA402905A - Electromagnet : en fr
  • DE717741C - Equipment for securing routes, port entrances, etc. : de en
  • FR869849A - : fr
  • DE717525C - Spherical high-pressure electric discharge lamp : de en
  • US2273804A - Chemical dehumidifying system : en
  • US2273354A - Method of manufacturing fiber fastening material : en
  • US2273630A - Industrial tractor : en
  • GB543344A - Electric protective devices and energizing circuits therefor : en
  • FR51256E - Advanced indicator system : en fr
  • FR51291E - Capacitor for deriving high frequency oscillations of power lines : en fr
  • GB543279A - Improvements in or relating to electrical condensers : en
  • FR51280E - Switch with arc extinction by means of a stream of extinguishing fluid : en fr
  • US2273097A - Frequency modulated wave receiver : en
  • US2273501A - Back drape support for casket trucks : en
  • GB543244A - Improvements in or relating to amusement devices : en
  • DE717564C - Airplane model made of sheet metal that can be assembled from easily detachable parts, especially for play purposes : de en
  • FR51296E - Landing method following guide paths : en fr
  • FR869815A - Diaphragm regulator : en fr
  • ES5848Y - Portable, wipe-down annunciator. : en es
  • ES5844Y - Hygienic mouthpiece that facilitates the rolling of cigarettes. : en es
  • FR51266E - Methods and devices for the regeneration, in situ, of catalytic or other contact masses : en fr
  • US2273510A - Sheet metal journal box : en
  • USD131424S - Combined eraser and chalk rail cleaner body : en
  • DE717573C - TV dismantling device with lens disk or lens barrel with several spiral threads : de en
  • DE717689C - Air-cooled internal combustion engine with a fan : de en
  • US2273085A - Drive mechanism for sheet coating apparatus : en
  • US2273633A - Process for the manufacture of nitriles : en
  • GB543247A - Improvements relating to servo control means, particularly for use with a hydraulic torque converter : en
  • US2273402A - Sirup evaporator : en
  • CA402951A - High frequency amplifier : en fr
  • CA402886A - Radio control apparatus : en fr
  • ES5841Y - Endovenous mixing injector. : en es
  • DE717553C - Partially compressed plain bearing construction material : de en
  • FR869790A - Side loaded impeller, preferably impeller for centrifugal machines, in particular for steam or gas turbines : en fr
  • GB543318A - Improvements in electrical hot-plates : en
  • GB543263A - Improvements in or relating to the heating of shoe parts : en
  • US2273347A - Dumbbell-joint pressure-line scraper : en
  • ES5781Y - Unobstructable burner for liquid fuels. : en es
  • US2273368A - Flower holder : en
  • FR869785A - Protective device for carburetors : en fr
  • FR869833A - Further training at firing stations installed on planes : en fr
  • GB543215A - An improved manufacture of hydrocarbons by catalytic cracking : en
  • US2273744A - Collapsible dress form : en
  • AU114647B2 - Freight container : en
  • AU114659B2 - Facsimile signal inverter : en
  • CA402974A - Packaging method : en fr
  • FR51298E - Aircraft wing consisting of a spar and front and rear airfoil parts : en fr
  • CA402915A - Furnace wall : en fr
  • US2273413A - Underinflated tire warning device : en
  • US2273424A - Preparation of 2-mercaptothiazolines : en
  • US2273159A - Isomerization of normal pentane : en
  • US2273506A - Reclaiming of rubber : en
  • US2273727A - Condiment container : en
  • US2273526A - Wire stretching and twisting device : en
  • US2273739A - Shaving device and cutter head therefor : en
  • FR51254E - Continuous lubricating oil regeneration device for engines and other applications : en fr
  • DE717697C - Encapsulated motor compressor unit : de en
  • DK59481C - Toothbrush. : da en
  • US2273120A - Lawn renovating machine : en
  • US2273344A - Apparatus for agricultural spraying : en
  • US2273600A - Torque amplifier : en
  • US2273628A - Motor vehicle antenna : en
  • US2273422A - Beverage filter : en
  • DE717670C - Process for obtaining a hormone-like active ingredient from animal egg cells : de en
  • DE717766C - Process to improve the heat transfer : de en
  • DK59493C - Exchange device for measuring liquids, in particular petrol. : da en
  • ES5847Y - Pressure strainer for purees and pasty or semi-liquid materials. : en es
  • AU35941A - Improvements in or relating to fence-electrifying apparatus : en
  • DE717548C - Chassis arrangement for a crane o. : de en
  • CA402972A - Pump stuffing box : en fr
  • US2273677A - Article and process of making the same : en
  • US2273316A - Color projector : en
  • FR869813A - Improvement in brakes and more particularly in brakes for bicycles : en fr
  • DE717513C - Streamlined vehicle body for three-wheeled vehicles : de en
  • AU30041A - Improvements in gas generators : en
  • US2273261A - Safety razor blade : en
  • DE717600C - Device for the production of concrete piles with a wider base : de en
  • DE717703C - Smelting agents : de en
  • DE717713C - Threaders for sewing needles : de en
  • DE717759C - Stiffening method for ship walls : de en
  • CA402923A - Photo-electrically sensitive surface : en fr
  • US2273248A - Locking thread carrier bar : en
  • US2273575A - Display rack : en
  • US2273544A - Carton : en
  • CA402931A - Directed radiant energy emiting system : en fr
  • US2273666A - Harvester attachment : en
  • US2273400A - Portable duct-projecting tool : en
  • US2273397A - Swivel hose fitting : en
  • CA402897A - High frequency power transferring means : en fr
  • CA402957A - Blocking-layer electrode system : en fr
  • DE717549C - Anti-tip device for a floating crane : de en
  • DE717684C - Feeding device for circular knitting machines : de en
  • FR51274E - Improvements to electrically insulated conductors and corresponding new insulators : en fr
  • FR51267E - Tractor and towed vehicle combination : en fr
  • FR51275E - Surge arrester : en fr
  • ES6982U - Injection needles (Machine-translation by Google Translate, not legally binding) : en es
  • DE717647C - Auxiliary pump set for two-stroke internal combustion engines : de en
  • DE708612C - Process for the production of knock-resistant fuels : de en
  • US2273011A - Electrical compensator : en
  • ES6991U - Synchronized automatic switch with the mechanism of a clock. (Machine-translation by Google Translate, not legally binding) : en es
  • DE717462C - Compressed air tool for riveting with a fluid pressure converter : de en
  • DK59483C - Radio receiver with automatic Tuning. : da en
  • CA402871A - Chromium alloy production : en fr
  • CA402894A - Connector plug : en fr
  • US2273542A - Diaper : en
  • US2273067A - Printing telegraph apparatus : en
  • US2273132A - Automatic gain control system : en
  • US2273128A - Water bag : en
  • US2273426A - Device for supporting stage curtains or the like : en
  • FR869757A - Aluminum alloy for sliding bearings : en fr
  • FR51260E - Right and left cranks for men's, women's, children's and tandem bicycles not having a toy character : en fr
  • DE717382C - Process for the production of round brushes : de en
  • US2273045A - Process for recovering sterols : en
  • DE717613C - Process for producing a silver mirror coating : de en
  • USD131431S - Design fob a slip ob semilab article : en
  • DE717668C - Electric furnace with electric resistance heating elements : de en
  • FR869847A - Device for powering motors : en fr
  • GB543255A - Improvements in or relating to the formation of hollow metallic propeller blades : en
  • US2273226A - Refrigeration : en
  • GB543228A - Improvements in and relating to keyboards for electrical musical instruments : en
  • US2273044A - Device for supporting an implement on a digit during use : en
  • US2273077A - Means and method of producing sound effects : en
  • USD131452S - Dress ensemble : en
  • US2273548A - Modulator : en
  • DE717749C - Process for the production of slidingly stressed objects, especially piston rings : de en
  • FR869809A - Improvements to bicycles, motor bicycles and motorcycles : en fr
  • NL52179C - : en
  • US2273452A - Method of uniting surfaces : en
  • US2273308A - Journal box : en
  • US2273005A - Book of carbon papers : en
  • US2273694A - Decalcomania paper : en
  • DE717508C - Process for the production of molding compounds : de en
  • DE717578C - Multiple connector : de en
  • US2273746A - Loose-leaf binder : en
  • US2273724A - Bomb-carrying airplane : en
  • US2273184A - Ice can : en
  • US2273222A - Remote multiple indicator : en
  • US2273462A - Demonstrating device : en
  • ES5814Y - Mechanical fly catcher. : en es
  • GB543326A - Improvements in or relating to cleaners for sifting screens : en
  • GB543230A - Cylinders for two stroke oil engines : en
  • US2273010A - Earth mover : en
  • US2273116A - Azo dyestuffs insoluble in water, and fiber dyed therewith : en
  • US2273348A - Cementing machine : en
  • US2273785A - Organic acids from ketones : en
  • DE716990C - Two-stroke internal combustion engine : de en
  • DE717616C - Process for the thermal extraction of metals : de en
  • US2273288A - Adjustable separator : en
  • US2273608A - Sheet metal holder : en
  • ES5767Y - Recreational toy. : en es
  • GB543299A - Multiple-unit steerable antenna systems : en
  • US2273606A - Sheet metal sink : en
  • USD131430S - Brooch or similar article : en
  • US2273297A - Sulphur absorbent and method of regenerating : en
  • ES6989U - A metallic drill bit for the service of condensed milk cans and similar (Machine-translation by Google Translate, not legally binding) : en es
  • GB543257A - Improvements in means for mounting instruments or other small mechanisms in casings : en
  • FR51295E - Electromagnetic contact device for charge regulators and switches of vehicle electrical installations : en fr
  • USD131417S - Design for an electric clock : en
  • FR869840A - : fr
  • DK59500C - Wire separation apparatus for separating individual wires from a wire layer. : da en
  • GB543282A - Improvements in or relating to wood impregnation plants : en
  • DK59491C - Signal light for Bicycles. : da en
  • ES147391A2 - NEW MAGNESIUM ALLOYS : en es
  • US2273703A - Piston ring : en
  • ES5780Y - Circular brush for polishing iron and metals. : en es
  • US2273004A - Antiskid chain attaching device : en
  • US2273729A - Switch box having plug-in outlet : en
  • FR869778A - Refrigeration process and refrigerator apparatus : en fr
  • DE717572C - Device for heating the driver's cab in electrically operated trams : de en
  • DE717700C - Process for producing a watertight penetration of metal parts by means of synthetic resin-containing pressed insulating bodies with high mechanical strength : de en
  • US2273423A - Electrically heated roll : en
  • CA402906A - Tensiometer control system : en fr
  • US2273779A - Air separator and filter : en
  • US2273780A - Wax acryalte ester blends : en
  • AU114677B2 - Improvements in and relating tothe process of hardening and tempering armour-piercing projectiles : en
  • DE717568C - Covered spiral slide without a central column made of concrete, hard concrete, earthenware or a similar material : de en
  • DE717580C - Selective protection device based on the resistance principle : de en
  • FR869798A - Improvements to silo batteries : en fr
  • DE717545C - With a photographic layer equipped scale holder for receiving and transmitting devices : de en
  • US2273488A - Method of sealing electrical conductors to quartz : en
  • US2273570A - Illuminating attachment for vehicle door locks : en
  • US2273477A - Railway traffic controlling apparatus : en
  • CA402939A - Medication device : en fr
  • CA402901A - Ultra-short wave generator : en fr
  • CA402920A - Crude rubber : en fr
  • CA402983A - Hydraulic classifier : en fr
  • FR51293E - Sprayer : en fr
  • DE717115C - Process for the production of azo dyes : de en
  • DE717512C - Fast developer : de en
  • DK59487C - Materials for brake pads, brake linings, clutch linings and similar friction bodies and methods for its manufacture. : da en
  • US2273286A - Floating chair : en
  • US2273280A - Letter stripping device : en
  • ES5849Y - Thread insulator. : en es
  • FR869792A - Process for obtaining sulfurous acid by heating sulfuric acid with reducing agents containing carbon or hydrocarbons : en fr
  • DE717730C - Spindle bearing for tool spindles, especially for grinding spindles : de en
  • ES5761Y - Case with two or more lines of cardboard strips with blush heads for women. : en es
  • DE717711C - Working method for internal combustion turbines : de en
  • DE717496C - Cartridge for making eutectic ice : de en
  • DE717708C - Pressure load cell : de en
  • DE717695C - Rotary transfer printer with auxiliary tray : de en
  • DE717499C - Adjustment device for tuning means of radio equipment : de en
  • DE717547C - Process for producing a firmly adhering, compact nickel mirror on glass or other non-conductors : de en
  • DE716018C - Process for the production of bituminous binders, especially for road construction purposes : de en
  • DE717594C - Coulter for making plant furrows : de en
  • ES6974U - Staple to close wounds. (Machine-translation by Google Translate, not legally binding) : en es
  • US2273082A - Manufacture of multifilament rubber threads : en
  • US2273241A - Yarn handling machine : en
  • US2273121A - Stroboscope : en
  • US2273243A - Fuel injecting device : en
  • CA402902A - Electric time switch : en fr
  • CA402961A - Oil product extraction process : en fr
  • DE717639C - Device for quick freezing food : de en
  • US2273189A - Bottle cooler : en
  • US2273199A - Bowling ball finger grip : en
  • CA402873A - Metallurgical reaction mixture : en fr
  • US2273485A - Wall construction : en
  • US2273640A - Superheterodyne receiver : en
  • USD131408S - Design for a sock : en
  • SE103745C1 - Procedure for the production of high molecular weight, nitrogenous products. : en sv
  • US2273312A - Treatment of gasoline : en
  • US2273456A - Machine for grinding thin metal strips : en
  • CA402917A - Air bag stem : en fr
  • DE717579C - Fast distance protection device in single relay circuit : de en
  • US2273083A - Telegraph storage transmitter : en
  • US2273289A - Presser device : en
  • CA402926A - Rotatable reversing tool : en fr
  • CA402991A - Turbine cooling arrangement : en fr
  • CA402949A - Thermionic valve circuit : en fr
  • US2273081A - Printing telegraph apparatus : en
  • CA402852A - Pipe cleaning apparatus : en fr
  • CA402881A - Cooking and water-heating apparatus : en fr
  • DE717673C - Potato harvester with sieve screens arranged over a conveyor belt : de en
  • FR51258E - Pump : en fr
  • AU46841A - Improved automatic voltage regulators for alternators : en
  • CA402910A - Non-corrosive anti-freeze : en fr
  • DE717504C - Process to improve the spinnability of rayon from regenerated cellulose : de en
  • DE717696C - Process for the production of matrix boards for the imprint of synthetic resin compounds : de en
  • US2273076A - Powdered catalyst regeneration and recovery : en
  • US2273273A - Resilient seat support : en
  • US2273279A - Window sash assembly and weather strip therefor : en
  • DE717563C - Safety razor : de en
  • GB543354A - Improvements in the top curbs of water sealed gasholders : en
  • AU114655B2 - Improved material storages : en
  • CA402945A - Current transforming device : en fr
  • CA402977A - Sulphonic acid amide compound : en fr
  • CA402850A - Vehicle speed indicating governor : en fr
  • CA402859A - Extension lamp for automobiles : en fr
  • US2273246A - Straight-type warp-knitting machine : en
  • DE717074C - Process for the production of sulfur and Kuepen dyes : de en
  • ES5836Y - Protective goggles. : en es
  • US2273583A - Trolley conveyer : en
  • US2273741A - Apparatus for attaching ferrules to fishing rods : en
  • DE717487C - Protection against flashback : de en
  • CA402908A - Voltage regulator : en fr
  • AU365740A - Freight container : en
  • CA402954A - Band pass filter : en fr
  • DE717518C - Device for absorbing the vital force of a vehicle and for suppressing the bumps during braking : de en
  • FR869751A - Method for establishing photoelectric layers and their application to objective heterochromic photometry : en fr
  • US2273467A - Ethylated di-isopropyl halobenzene : en
  • US2273595A - Extrusion device : en
  • US2273532A - Low frequency indicator and recorder : en
  • ES5803Y - New towel rack. : en es
  • GB543340A - Improvements relating to apparatus for transmitting movements hydraulically : en
  • US2273637A - Phototube : en
  • US2273728A - Electric light fixture : en
  • ES5757Y - Corrugated cardboard sleeve for glass bottles and containers. : en es
  • ES5858Y - Inviolable seal. : en es
  • FR51285E - Discharge tube with cathode partially covered with an emissive layer, in particular with full cathode active only on one side : en fr
  • GB543225A - Rotary ceramic trimming condenser : en
  • US2273545A - Electric switch : en
  • US2273643A - Electrolytic preparation of yellow cuprous oxide : en
  • US2273563A - Grounding contact for footwear : en
  • US2273795A - Electrolytic process : en
  • DE717523C - Process for the production of a mortar former that is insensitive to vibrations during the setting time : de en
  • DE717620C - Talking machine with tonearm guidance through a cam rotated by the disk drive : de en
  • US2273204A - Safety mechanism for firearms : en
  • US2273249A - Gauge for stock saws and other cutting machines : en
  • US2273283A - Method of making vehicle tires : en
  • DE717743C - Switching device for radios, especially for switching the waveband : de en
  • DE717502C - Process for the production of non-settling oil and lacquer paints : de en
  • US2273303A - Helicopter type airship : en
  • US2273278A - Brush : en
  • US2273326A - Sand mold : en
  • US2273799A - Process for electrolytic reduction : en
  • US2273305A - Production of color effects on : en
  • US2273561A - Shovel : en
  • US2273698A - Automatic oil feeding device for metal working machiens : en
  • ES5815Y - Cork extractor device. : en es
  • FR869803A - Servo-clutch with automatic brake for steering crawler tractors : en fr
  • GB543319A - Furnace or cell for carrying out aluminium refining process : en
  • DE717582C - Unipolar magnet system for moving coil measuring devices : de en
  • DE717746C - Process for the production of a vacuum-tight conductor leadthrough through quartz glass : de en
  • FR869780A - Stick-on sole of artificial leather, rubber or the like : en fr
  • GB543264A - Improvements in or relating to the recovery of bromine from aqueous salt solutions containing bromide compounds : en
  • US2273414A - Can opener : en
  • DE717529C - Static balancing device : de en
  • DE717672C - Process for achieving the adhesive strength of gelatin layers on substrates made of vinyl chloride polymers : de en
  • FR51279E - DC generator with shunt excitation, adjustable current, in particular for electric welding : en fr
  • GB543320A - Container : en
  • USD131422S - Design for a clock : en
  • CA402924A - Railway car truck : en fr
  • FR869772A - Method and device for making effective the brake power, in the brakes of carrier wheels of aircraft, by means of a differential piston pump : en fr
  • ES5768Y - Sound toy. : en es
  • ES5830Y - Iron ties. : en es
  • DE717690C - Adjusting strut for moving aircraft components, e.g. retractable chassis : de en
  • FR869824A - Advanced bicycle : en fr
  • US2273281A - Control system : en
  • US2273775A - Cementitious structural unit : en
  • DE668610C - Roll film camera : de en
  • GB543294A - Electrolytic production of nickel : en
  • DE717587C - Piston for an electron tube, the wall of which serves partly as an electrode : de en
  • FR51251E - Device for breaking the icing formed on the nose or leading edges of airplane wings : en fr
  • BE442486A - Manufacture of hypochlorous acids : en fr
  • FR869812A - New process for the carbonization of wood : en fr
  • ES5833Y - Support mooring model with races. : en es
  • FR869764A - Method for sensitizing photographic emulsions : en fr
  • GB543297A - Improvements in or relating to the manufacture of polymeric materials : en
  • US2273582A - Fishhook structure : en
  • CA402878A - Heater : en fr
  • US2273801A - Television receiver : en
  • ES5856Y - Perfected bracket to hold shelves. : en es
  • ES6993U - Safe for bottles against breakages and theft (Machine-translation by Google Translate, not legally binding) : en es
  • FR869791A - Coincidence range finder : en fr
  • FR869838A - Process for the production of sieving fabrics : en fr
  • GB543290A - Improvements in or relating to the preparation of dyestuffs and to their use in colour photography : en
  • IE16216L - Vitamin e ester concentrates. : en
  • GB543253A - Improvements in or relating to the drawing of metals : en
  • US2273565A - Stationery-guide assembly : en
  • CA402990A - Electrolysis of black liquor : en fr
  • US2273264A - Apparatus for opening metal containers : en
  • US2273766A - Water hammer arrester : en
  • USRE22027E - Condenser tube protector : en
  • US2273476A - Stacking frame for printed sheets : en
  • US2273505A - Container : en
  • SE103752C1 - Electron multiplier : en sv
  • CA402938A - Germicide : en fr
  • CA402964A - Gas turbine plant : en fr
  • CA402861A - Pipe connecting means : en fr
  • US2273439A - Sealing electrodes into quartz bulbs : en
  • ES6826U - Heating appliance. (Machine-translation by Google Translate, not legally binding) : en es
  • CA402879A - Military tank : en fr
  • DE717724C - Process for refining roasted or unroasted bast of flax or hemp or their waste : de en
  • US2273391A - Apparatus for reproducing and recording sound : en
  • US2273598A - Die stock : en
  • US2273638A - Spinnerette lubricant : en
  • ES6999U - Support device of an information sheet. (Machine-translation by Google Translate, not legally binding) : en es
  • DE717632C - Motor-driven device for emptying several aircraft bomb magazines : de en
  • US2273172A - Television system : en
  • US2273244A - Storage battery cell : en
  • CA402898A - Short wave radio transmitter : en fr
  • US2273103A - Measuring and control apparatus : en
  • US2273443A - Organic mercury compound : en
  • US2273809A - Method of and apparatus for hardening surfaces of metal bodies : en
  • AU41141A - Facsimile signal inverter : en
  • USD131442S - Design for a dress : en
  • USD131444S - Design for a deess : en
  • CA402874A - Chromium-bearing reaction mixture and alloy : en fr
  • US2273733A - Seal for double-walled glass units : en
  • CA402887A - Radio control apparatus : en fr
  • US2273627A - Conveyer slat : en
  • CA402857A - Traction producing means : en fr
  • CA402907A - Alternating current generator regulator : en fr
  • CA402927A - Forging apparatus for drill bits, etc. : en fr
  • DE717589C - Tube holder for radiation emission tubes : de en
  • DE717767C - Indirectly heated cathode with a heat-conducting partition : de en
  • CA402868A - Wound clip : en fr
  • US2273349A - Pumping apparatus : en
  • US2273623A - Brake beam structure : en
  • US2273109A - Form for concrete footing : en
  • US2273220A - Composition roof covering : en
  • US2273374A - Method of making shoes : en
  • US2273442A - Handle for luggage or the like : en
  • US2273692A - Fastening : en
  • US2273457A - Safety tube : en
  • GB543259A - Improvements in the production of cellulose esters : en
  • US2273007A - Seal : en
  • US2273401A - Sprinkler head : en
  • US2273579A - Reel : en
  • US2273769A - Gyroscope : en
  • US2273658A - Drinking straw dispenser : en
  • US2273079A - Electric iron control : en
  • US2273245A - Electrical transformer : en
  • US2273659A - Method of grinding : en
  • CA402919A - Rubber processing and product : en fr
  • DE717567C - Ship unloading device for bulk goods by means of chain conveyors : de en
  • CA402968A - Insulating tape making apparatus : en fr
  • US2273518A - Method of insulating electrical conductors : en
  • US2273183A - Process for the removal of skins of filbert nuts : en
  • AU114686B2 - Pressure observer in which the displacements of a diaphragm are translated into an electrical effect : en
  • US2273752A - Yarn abrading apparatus : en
  • US2273774A - Manufacture of monoperphthalic acid : en
  • DE717485C - Propellant gas generator system consisting of a diesel engine and a compressor : de en
  • GB543274A - Improvements in or relating to electric motor controllers : en
  • GB543288A - An improved manufacture of hose for conducting steam : en
  • DE717543C - Transmitter circuit for exchange systems, in which the transmission tube is blocked in the absence of modulation voltages : de en
  • GB543278A - Improvements in and relating to holders or sockets for thermionic valves, plug and like members : en
  • US2273206A - Method and apparatus for incorporating fibrous material in rubber : en
  • ES5755Y - Binder staple. : en es
  • US2273327A - Marine propulsion device : en
  • GB543277A - Improvements in handbags : en
  • GB543292A - Improvements in or relating to the stabilization of oils : en
  • US2273125A - Sprayer : en
  • GB543254A - Improvements in or relating to the manufacture of resins : en
  • US2273592A - Sewing machine needle : en
  • US2273112A - Color camera and projector : en
  • US2273063A - Paper container : en
  • US2273093A - Macerator and juice extractor : en
  • FR869786A - Tilting circular divider table, intended in particular for jig machine tools : en fr
  • DE717560C - Shaft gap seal for circulation pumps : de en
  • ES5750Y - Staple. : en es
  • FR51265E - Improvements to luminescence electric lamps : en fr
  • US2273051A - Control system for aircraft having sustaining rotors : en
  • GB543314A - Improvements in or relating to safety sheathed blasting cartridges : en
  • GB543235A - Trimming mechanism for sewing machines : en
  • GB543217A - Improvements in or relating to electro-magnetic heaters : en
  • DE717679C - Application of the cold spraying process known for the production of hollow bodies from non-ferrous metals for the production of hollow bodies from steel : de en
  • DE717707C - Pressure load cell : de en
  • DE717737C - Continuously operated purge gas furnace : de en
  • US2273104A - Refining mineral oils : en
  • US2273169A - Repair plug driving tool : en
  • ES6996U - Device for the complete use of soap bars. (Machine-translation by Google Translate, not legally binding) : en es
  • US2273693A - Valve assembly : en
  • US2273129A - Bearing seal : en
  • US2273026A - Bomb release signal lamp assembly : en
  • US2273753A - Antiskid device : en
  • USD131445S - Design fob a clothing hook : en
  • US2273057A - Sanding device for motor vehicles : en
  • US2273712A - Laundry machine mounting : en
  • AU293240A - Improved material storages : en
  • ES6808U - Injectable syringe to anesthetize. (Machine-translation by Google Translate, not legally binding) : en es
  • US2273218A - Bracelet construction : en
  • US2273237A - Register : en
  • US2273585A - Apparatus for forming siftproof bag closures : en
  • US2273395A - Universal tubing fitting : en
  • GB543351A - Frequency modulation monitor : en
  • CA402911A - Thermoplastic material self-lacquering method : en fr
  • US2273314A - Packaging machine : en
  • US2273375A - Thermostat : en
  • US2273378A - Telegraphic transmitter system : en
  • US2273516A - Injection molding machine : en
  • USD131410S - Design foe a card shuffler : en
  • US2273537A - Remote tuning control means : en
  • US2273046A - Process for recovering sterols : en
  • US2273106A - Production of artificial yarns : en
  • US2273287A - Separator roller control : en
  • USD131420S - Design for a clock : en
  • DE717495C - Evaporator for refrigeration machines : de en
  • ES5834Y - Notepad or table check. : en es
  • DE717681C - Overcurrent carrier glass cartridge fuse : de en
  • US2273277A - Clutch control mechanism : en
  • DE717539C - Pantograph assembly for electrically powered vehicles : de en
  • US2273056A - Electric discharge lamp and starting device therefor : en
  • US2273796A - Method of electrolytic preparation of nitrogen compounds : en
  • ES5852Y - Cylindrical metal box, with flange on the lid and warped molding on the body of the box. : en es
  • DE717597C - Securing for pipe fittings : de en
  • US2273029A - Excavating and loading machine : en
  • US2273025A - Internal combustion engine : en
  • US2273167A - Electrical fixture : en
  • US2273756A - Fan : en
  • DE717649C - Formation of the longitudinal edges of a frame, which are rolled up to form a roll fold : de en
  • US2273050A - Worm gear cutting : en
  • DE717538C - Air brake device, in particular for rail vehicles : de en
  • DE717709C - Slot-controlled, multi-cylinder injection pump in block form, especially for internal combustion engines : de en
  • DE717535C - Rock percussion drill with exchangeable drill bit : de en
  • US2273194A - Gas cleaning : en
  • US2273431A - Titanium pigment production : en
  • US2273433A - Cathode ray tube : en
  • DE717488C - Process for the recovery of uniformly composed mixed dry substances on drum drying systems : de en
  • AU384141A - Demountable freight container : en
  • AU84141A - Manufacture of polymeric materials : en
  • US2273527A - Treatment of pectinous material : en
  • US2273345A - Brake mechanism : en
  • US2273389A - Two-part mine stanchion : en
  • US2273591A - Egg grading machine : en
  • US2273074A - Screen for picture projection : en
  • US2273292A - Game : en
  • US2273427A - Apparatus for galvanizing : en
  • US2273613A - Process for preparing mirrors : en
  • US2273291A - Ticket scale : en
  • US2273807A - Speed-change gearing : en
  • DE717710C - Cleaning agent for spark plugs : de en
  • GB543248A - Improvements in or relating to pumping apparatus : en
  • US2273609A - Induction heating : en
  • DE717702C - Process for the production of solutions, in particular of lacquers made from nitrocellulose and chlorine-containing vinyl polymers : de en
  • FR869836A - Piano mechanics : en fr
  • US2273156A - Journal box lid : en
  • US2273367A - Insulating material and method of manufacture : en
  • US2273789A - Upright piano action : en
  • US2273748A - Airplane light : en
  • DE717500C - Switching device for gas pressure switch : de en
  • DK59488C - Method and apparatus for filling molds with praline core mass and similar mass. : da en
  • US2273379A - Locking means for bearing rings : en
  • FR869761A - Ignition coil : en fr
  • DE717482C - Naturally cooled, electric high-pressure discharge tubes used to emit radiation with a filling of mercury vapor and a gas to facilitate ignition, with solid glow electrodes, preferably heated by the discharge itself, and with a cover made of refractory, radiolucent material, for example quartz : de en
  • US2273517A - Azo dyestuffs soluble in water : en
  • US2273276A - Wall construction : en
  • US2273661A - Process of refining mineral oil : en
  • US2273047A - Car wheel : en
  • USD131435S - Combined flower bowl and mirror : en
  • US2273178A - Process for manufacture of magnesium products from brine : en
  • US2273262A - Stabilized vinylidene chloride compositions : en
  • US2273107A - Automatic gain control circuit : en
  • US2273736A - Method of making pressure vessles and the like : en
  • GB543219A - Improvements in the direct cooling of aircraft engines : en
  • DE717501C - Process for the preparation of unsymmetrical polymethine dyes : de en
  • DE717584C - Electrical wound capacitor : de en
  • US2273198A - Tie wire clamp : en
  • US2273700A - Decorated foil and film : en
  • DE717768C - Device to protect the patient from x-ray damage when using x-rays for diagnostic purposes : de en
  • GB543262A - Improved apparatus for de-twisting metal sections : en
  • DE717635C - Device for the delivery of several remote-visible signals of different meaning : de en
  • US2273212A - Spring device : en
  • US2273384A - Cabinet for dispensing sheet material : en
  • US2273503A - Low floor level trailer : en
  • FR51299E - Process for the transfer of liquefied gases : en fr
  • GB543272A - Improvements in electric heating elements : en
  • DE717550C - Device for switching off a log winch that has been converted to single-line operation with two cable lines working in opposite directions : de en
  • GR9790B - SYNTHETIC MILK. : el en
  • ES5854Y - Mold for the manufacture of high rubber boots. : en es
  • IT392252B - : it
  • US2273091A - Apparatus for ascertaining a subject's behavior when operating a motor vehicle : en
  • US2273806A - Platinum alloy : en
  • US2273706A - Animal garment : en
  • CA402888A - Fuel injection nozzle : en fr
  • CA402948A - Superheterodyne receiving circuit : en fr
  • CA402965A - Vertical grand piano : en fr
  • USD131438S - Design foe an ash tkay : en
  • CA402958A - Shaving brush : en fr
  • USD131443S - Etkin dress ensemble : en
  • US2273525A - Spool : en
  • FR51297E - Aircraft wing consisting of a spar and front and rear airfoil parts : en fr
  • DE717611C - Rotary piston machine with two rotating pistons rotating in connected cylinders : de en
  • US2273681A - Luminaire : en
  • CH217806A - Bimetal thermometer with a pointer mechanism separated from the temperature sensor and a stop device that holds the temperature sensor in place. : de en
  • AU114651B2 - Gas mixing and control valve : en
  • US2273066A - Method and means for determining qualities of dielectrics : en
  • USD131440S - Design for a lipstick holder : en
  • DE717593C - Sound-absorbing, mechanical-acoustic throttle chain made of several successive layers of damping for walls and ceilings : de en
  • US2273558A - Pump : en
  • US2273624A - Apparatus for removing weld flash from sheet metal : en
  • US2273274A - Film magazine : en
  • DE717733C - Headlight cover lens : de en
  • NL51883C - : en
  • CA402928A - Disc harrow : en fr
  • DE717486C - Axially adjustable tool holder for multi-spindle drilling machines : de en
  • US2273148A - Manufacture of elastic fabrics : en
  • DE717330C - Circuit arrangement for company lines in telecommunications systems, especially telephone systems : de en
  • ES148413A1 - A NEW PROCEDURE FOR MANUFACTURING A DISINFECTANT : en es
  • US2273096A - Automatic volume control circuit : en
  • CA402952A - Selective radio receiving system : en fr
  • US2273214A - Supporting device for pumps : en
  • US2273410A - Draw bar : en
  • US2273587A - Air conditioner : en
  • GB543242A - Improvements in devices for fastening ends of bowden cables and for analogous purposes : en
  • US2273181A - Process for breaking petroleum emulsions : en
  • DE717583C - Measuring device for resistance and capacitance measurements with a tube generator, to whose grid the size to be measured is connected and in whose anode circuit the display instrument is located : de en
  • US2273141A - Production of amines of the acetylene series : en
  • US2273336A - Axle housing : en
  • US2273040A - Chemical process and product : en
  • US2273415A - Rod assembly : en
  • US2273430A - Mount for optical devices : en
  • DE717669C - Dental syringe : de en
  • ES146640A3 - Centrifugal pump to raise hot water. : en es
  • FR869769A - Aircraft shock absorber : en fr
  • FR869826A - Use for the production of electrical resistances of conductors formed by fine wires joined together to replace conductors formed by a single wire : en fr
  • US2273232A - Printing roll doctor blade reciprocating mechanism : en
  • US2273513A - Device for printing meter readings : en
  • US2273068A - Transmission : en
  • US2273800A - Fluorescent type indicator tube : en
  • US2273293A - Self-tightening chuck : en
  • US2273440A - Alarm box : en
  • AU271941A - Gas mixing and control valve : en
  • US2273556A - Aromatic esters and the manufacture thereof : en
  • US2273386A - Mirror and diaphragm release means for reflex cameras : en
  • GB543355A - Improvements in or relating to electric snap switches : en
  • DE717662C - Electric circuit breaker : de en
  • US2273052A - Strand feeding mechanism : en
  • AU114649B2 - Nickel-chromium-iron alloys, their manufacture, and articles made therefrom : en
  • US2273358A - Ring expander : en
  • CA402963A - Gasoline desulphurization : en fr
  • NL51938C - : en
  • US2273130A - Horn and housing : en
  • DE717750C - Straw lifter for mowing machines : de en
  • US2273090A - Superregenerative limiter : en
  • US2273136A - Adjustable support : en
  • CA402856A - Emollient applying device : en fr
  • US2273006A - Table : en
  • US2273543A - Ingot mold liner : en
  • CA402916A - Furnace wall : en fr
  • US2273605A - Valve : en
  • GB543287A - Improvements in or relating to air louvres for high-velocity ventilation : en
  • GB543306A - Improvements in traps for removing incendiary bombs : en
  • US2273252A - Means for sorting sheets in numerical order : en
  • US2273644A - Cup dispenser : en
  • DK59498C - Device for Binding Machines. : da en
  • US2273538A - X-ray apparatus : en
  • US2273203A - Posthole digger : en
  • US2273480A - Drain plug : en
  • US2273514A - Venetian blind cleaning machine : en
  • US2273534A - Split core transformer : en
  • US2273696A - Sanding machine : en
  • US2273202A - Engine : en
  • US2273622A - Substituted aromatic aliphatic ether chlorides and process : en
  • US2273033A - Scouring device : en
  • US2273163A - Electrical wave filter system : en
  • US2273475A - Pin for supporting ceramic ware : en
  • US2273362A - Bass shift bar for accordions : en
  • US2273761A - Mixing apparatus : en
  • US2273625A - Internal combustion engine : en
  • US2273740A - Printing process : en
  • US2273528A - Roller support : en
  • US2273333A - Vibrant bar and method of tuning the same : en
  • US2273341A - Dust collector : en
  • US2273381A - Control switch : en
  • US2273678A - Repeating air gun : en
  • USD131413S - Design fob an electric vaporizer : en
  • DE717509C - Barometric altimeter with reference pressure display : de en
  • GB543302A - Improvements in or relating to protein adhesives : en
  • US2273669A - Sectional inking roller for printing presses : en
  • US2273521A - Treatment of pectinous materials : en
  • US2273635A - Railway truck structure : en
  • USRE22029E - Design for an airplane ob the like : en
  • DE717744C - Device for supplying a consumer with direct current of any size and direction : de en
  • US2273372A - Fabric transfer device and the like and method of manipulating fabric : en
  • US2273720A - Valve : en
  • DE717514C - Motor vehicle : de en
  • US2273043A - Treatment of hydrocarbons : en
  • US2273098A - Ultra high frequency receiver : en
  • US2273108A - Method and apparatus for treating air : en
  • US2273802A - Loop regulating mechanism for flat knitting machines : en
  • US2273396A - Swivel hose fitting : en
  • US2273559A - Receptacle : en
  • US2273039A - Treating wood and wood products : en
  • ES5855Y - Folding rocking chair. : en es
  • DE717623C - Computing device : de en
  • DE717751C - Method for airless fuel injection in injection internal combustion engines : de en
  • US2273294A - Tape control printing device : en
  • US2273445A - Method and machine for sealing vitreous vessels : en
  • US2273225A - Marine turbine and condenser support : en
  • CA402891A - Electric attachment cap : en fr
  • US2273034A - Pump : en
  • CA402984A - Fugitive coloration of textile material : en fr
  • CA402953A - Radio noise reducing system : en fr
  • CA402870A - Chromium metallurgy : en fr
  • CA402946A - Electronic tube circuit : en fr
  • NL51881C - Electron tube, provided with a secondary emission electrode : en nl
  • US2273680A - Amplifier control circuit : en
  • US2273157A - Heat transferring device : en
  • US2273296A - Apparatus and process for separat : en
  • US2273371A - Combined floor brush, duster, and squeegee : en
  • CA402941A - Water deaerating and purifying apparatus : en fr
  • CA402987A - Synchronizing equipment : en fr
  • US2273455A - Combined hinge and latch structure of general application : en
  • US2273549A - Oil gauge : en
  • US2273190A - Method of making molded knobs or balls : en
  • US2273610A - Electrical circuit control device : en
  • AU52641A - Nickel-chromium-iron alloys, their manufacture, and articles made therefrom : en
  • US2273768A - Musical instrument : en
  • ES5793Y - Tiles with metallic applications on the edges or edges of their sides. : en es
  • ES5808Y - Articulating device, applicable to changeable sheet book covers. : en es
  • US2273100A - Condensation products : en
  • US2273557A - Solvent-extraction process and apparatus : en
  • CA402933A - Cable release : en fr
  • US2273745A - Ice cube release : en
  • US2273302A - Package : en
  • CA402981A - Paper clip : en fr
  • CA402876A - Iron metallurgy : en fr
  • US2273388A - Copyholder : en
  • US2273794A - Piston packing : en
  • CA402851A - Seat : en fr
  • CA402993A - Exhaust conduit cowling : en fr
  • CA402962A - Organic mixture separation : en fr
  • AU114662B2 - Distributor for fertilisers and the like : en
  • FR869807A - Remote transmission device : en fr
  • FR869816A - Improvements to manometers : en fr
  • DE717503C - adhesive : de en
  • DE717608C - Automatic connection and disconnection device for capacitors with the use of a fixed tariff device : de en
  • FR869830A - : fr
  • US2273509A - Can-arranging machine : en
  • DE717577C - System of connectors : de en
  • GB543218A - Improved process for the treatment of water by suppressing the ions of alkaline earth metals : en
  • AU37541A - Improvements in or relating to rotary folding mechanism : en
  • US2273394A - Alarm fitting : en
  • US2273689A - Sheet stacker : en
  • US2273788A - Alkyl urea-formaldehyde resin : en
  • DE717638C - Process for mercerizing : de en
  • GB543273A - Improved spectacle frame : en
  • DE717347C - Electrical balance indicator for displaying the position of a linkage point in a three- or multi-phase alternating current network : de en
  • DE717569C - Pneumatic tube socket : de en
  • GB543226A - Improvements in or relating to boring, drilling and like machines : en
  • US2273474A - Letoff mechanism for looms : en
  • US2273710A - Massage device : en
  • US2273448A - Starting of internal combustion engines : en
  • US2273020A - Fruit brushing machine : en
  • US2273168A - Extraction of beryllium from ores : en
  • US2273636A - Procedure for the dressing and softening of cellulose products : en
  • FR869773A - Further development of sleeve brakes applicable to aircraft carrier wheels : en fr
  • US2273404A - Variable velocity ratio gearing : en
  • US2273529A - Hum eliminator : en
  • US2273649A - Hydraulic control system : en
  • US2273028A - Splint : en
  • US2273179A - Rotary valve and lubrication thereof : en
  • USD131425S - Design foe, a brooch or similar article : en
  • CA402986A - Welding transformer : en fr
  • FR51261E - Ball bearing improvements : en fr
  • FR869817A - Luggage rack for cycles : en fr
  • GR9786B - VARNISH SHOE BOXES. : el en
  • GB543341A - Improvements in or relating to retractable undercarriage for aircraft : en
  • FR869810A - Wood carbonization furnace : en fr
  • FR869760A - Device for checking during operation of the sparking on the spark plugs of internal combustion engines : en fr
  • ES5826Y - Sofa-bed furniture. : en es
  • ES6994U - Blocks of esparto grass and cotton waste, substitutes for cotton yarn in metallurgy and other similar works (Machine-translation by Google Translate, not legally binding) : en es
  • US2273417A - Switch : en
  • DE717705C - Gas shut-off device for gas-heated water heaters controlled by the water flow : de en
  • FR51288E - Trichlorethylene polymerization process : en fr
  • GB543251A - Improvements in or relating to radio-receivers adapted to be automatically tuned to a plurality of predetermined stations : en
  • US2273721A - Speed control mechanism for hydraulic presses : en
  • GB543337A - Antenna systems : en
  • DE717615C - Mass balancing for sawing machines : de en
  • SE103792C1 - Locking device for skis to prevent slipping : en sv
  • US2273382A - Preparation of synthetic resins from biguanide derivatives and formaldehyde : en
  • US2273508A - Antisplitting iron : en
  • GB543269A - Improvements in snap couplings for multipole magnetos : en
  • FR869777A - Derailleur for bicycles and, in general, for any chain transmission device : en fr
  • GB543311A - Improvements in or relating to the production of organic esters of cellulose : en
  • DE717630C - Gear pump : de en
  • US2273008A - Automatic animal trap : en
  • US2273146A - Sewing machine : en
  • US2273153A - Process of deoiling slack wax : en
  • US2273351A - Shipping and display portfolio : en
  • DE717438C - Process for the preparation of í¸ -unsaturated 3-alcohols of the cyclopentanophenanthrene series : de en
  • DE717570C - Two-part wrench : de en
  • US2273317A - Electric governor or throttling means : en
  • FR51270E - Improvements to fluorescent substances : en fr
  • GB543261A - Improvements relating to hoisting blocks : en
  • GR9787B - METHOD OF DISTILLATION IN VACUUM RESIN FOR PREPARATION OF TEREVINTHYLAS, PINAL OIL OF KOLOFONI, ETC. : el en
  • US2273590A - Polishing apparatus for rolls : en
  • US2273616A - Pig feeder : en
  • ES5801Y - Socket wrench for nuts. : en es
  • US2273489A - Stretcher for articles of clothing : en
  • ES6970U - New balidasa (Machine-translation by Google Translate, not legally binding) : en es
  • US2273041A - Treatment of hydrocarbons : en
  • DE717758C - Roll film camera with format adjustment : de en
  • GB543334A - Improvements in transmission lines : en
  • US2273601A - Container : en
  • US2273791A - Tripod leg : en
  • CA402853A - Heating apparatus : en fr
  • ES5786Y - Paper envelope with closure flap. : en es
  • FR51277E - Coupling system to exert a control effect dependent on two voltages, in particular for echo and feedback suppressors : en fr
  • US2273065A - Electromagnetically controlled apparatus and method therefor : en
  • US2273366A - Table : en
  • US2273496A - Booster for friction controls or clutches : en
  • US2273602A - Motion transmitting mechanism : en
  • US2273403A - Pump construction : en
  • US2273784A - Worm gearing : en
  • GB543258A - Improvements in and relating to the production of organic acids : en
  • DE717675C - Device for adjusting the cone regulating the discharge ring gap of screw presses : de en
  • DE717694C - Water level indicator for high pressure steam generator : de en
  • US2273690A - Door : en
  • US2273299A - Treatment of hydrocarbons : en
  • US2273435A - Flash lamp : en
  • FR51253E - Retractable articulated oar to row facing the direction of travel : en fr
  • FR869755A - Metal for bearings : en fr
  • GB543346A - A new or improved fluid operated turbine : en
  • US2273787A - Cigarette rolling machine : en
  • DE717748C - Preparations for the temporary coloring of living hair : de en
  • GB543329A - Improvements in and relating to electric measuring or detecting apparatus for indicating and recording movements : en
  • GB543330A - Improvements in or relating to fluid pressure boosters for braking systems : en
  • AU112735B2 - Improvements in or relating to electron discharge tubes : en
  • USD131448S - Design for a shoe : en
  • DE711064C - Clothing : de en
  • DK59494C - Vingestyret Projektil. : da en
  • ES5791Y - Mechanism and instantaneous opening and closing for keys, lathes, screws and closing tools in general. : en es
  • GB543304A - Improvements relating to rowing boats : en
  • US2273670A - Fuel injection control system : en
  • FR51278E - New product composed of chlorine and carbon, its applications and its manufacturing process : en fr
  • US2273048A - Wire stripping implement : en
  • US2273064A - Spring unit for mattresses : en
  • US2273699A - Concrete wall construction : en
  • DE717590C - Device for sinking typewriters : de en
  • FR869771A - Stamping process of pistons for engines : en fr
  • FR869825A - : fr
  • GB543286A - Fuel-economiser attachment for fire-doors : en
  • GB543296A - Improvements in the manufacture of water impervious glues and sizing compounds : en
  • GB543312A - The manufacture of chemical compounds from plant flesh extracts : en
  • FR869753A - : fr
  • FR869783A - Improvements in processes for obtaining acoustic recording on color photographic films : en fr
  • CA402960A - Electrolytic cell : en fr
  • US2273390A - Chick box : en
  • GB543309A - Improvements in or relating to drugs : en
  • ES6046Y - Infusible refrigerated nozzle, for ignition and combustion regime in homes. : en es
  • US2273546A - Receiving system : en
  • US2273569A - Process for the recovery of silver : en
  • USD131407S - Combination knife blade and file : en
  • DK59485C - Procedure for the manufacture of electron tubes, in particular double-sided fused metal tubes. : da en
  • USD131436S - Design for a lipstick advertising device : en
  • US2273495A - Swab wringing device : en
  • DE714792C - Sound catcher for reflector microphones : de en
  • DE717524C - Process for the production of hydraulic binders, especially for road construction : de en
  • DE717605C - Terminal for electrical lines, especially for railway safety devices : de en
  • USD131409S - Design for a jewelry finding : en
  • CA402862A - Vehicle tire : en fr
  • US2273024A - Sound recording and reproducing apparatus : en
  • US2273497A - Signal pontoon for submarines : en
  • GB543267A - Improvements in or relating to coated fabrics : en
  • US2273309A - Automatic caging device fob : en
  • US2273311A - Electric switching protective system : en
  • ES5817Y - Manufacture of rubber wheels, hollow, without canvas and with flange. : en es
  • DE717715C - Device for tensioning sails or other non-rigid surfaces : de en
  • DK59495C - Sighting device for anti-aircraft guns. : da en
  • DE715592C - Process for the production of shaped coke from baking hard coals : de en
  • FR869832A - Elastic metal tire for vehicle wheel : en fr
  • GB543327A - Improvements in or relating to the production of aliphatic hydrocarbons : en
  • DE717658C - Two-part cable clamp : de en
  • US2273599A - Machine for applying roofing material : en
  • US2273471A - Di (arylalkyl) sulphide : en
  • US2273037A - Sterilizing device : en
  • ES5794Y - Automatic shuttle threader for looms. : en es
  • DE717385C - Process for the preparation of 2,4,6-triamino-1,3,5-triazine (melamine) : de en
  • FR869776A - Photographic shutter : en fr
  • FR869821A - Pedal cyclecar and auxiliary motor : en fr
  • US2273126A - Control system : en
  • US2273330A - Dispensing device : en
  • US2273441A - Method and apparatus for sealing vitreous vessels : en
  • US2273110A - Frequency modulated wave receiver : en
  • US2273657A - Drum rolling device : en
  • DE717628C - Closing valve for steel bottles : de en
  • US2273282A - Refrigerator : en
  • US2273618A - Dispensing device : en
  • ES142588A3 - Procedure for the manufacture of organometallic compounds. : en es
  • ES6052Y - Safety lighter. : en es
  • FR869846A - Television receiver : en fr
  • DE717643C - Indirectly heated cathode held on the cathode sleeve for electrical discharge vessels and processes for their production : de en
  • GB543216A - Improvements in machines for casting under pressure metals having a high melting point : en
  • DE717604C - Mounting arrangement for self-induction coils for very high frequencies : de en
  • DE717761C - Fresh water treatment system : de en
  • DE693558C - Movable circular saw : de en
  • FR51290E - Permanent magnet : en fr
  • US2273676A - Mixed unsymmetrical ketones and a process for producting them : en
  • US2273072A - Accessory for garment ironing operations : en
  • US2273324A - Accelerator of vulcanization : en
  • US2273164A - Semitrailer : en
  • US2273140A - Production of synthetic resins for molding : en
  • USD131439S - Design for a bracelet or similar article : en
  • CA402872A - Chromium alloy steel : en fr
  • US2273069A - Disconnecting switch : en
  • US2273224A - Process for treatment of hydrocarbons : en
  • US2273664A - Pest control : en
  • US2273009A - Game apparatus : en
  • US2273208A - Tread structure : en
  • AU35441A - Improvements in or relating to mountings for electric fittings : en
  • US2273133A - Strand handling apparatus : en
  • CA402950A - Gang condenser : en fr
  • DE717498C - Method and device for refining iron ores : de en
  • US2273152A - Hydraulic pressure control for testing machines : en
  • US2273412A - Method of recovering hydrocarbons : en
  • US2273387A - Securing device for spinning or twisting rings : en
  • DE717754C - Internal combustion turbine with a partially eccentric rotor as a compressor : de en
  • DE717532C - Process for sinking and pulling back foundation bodies under the effect of shaking, as well as equipment for carrying out the process : de en
  • CA402877A - Coin-freed amusement or vending machine : en fr
  • US2273355A - Range finder for photographic purposes : en
  • US2273522A - Adjustable slidable-electrode condenser : en
  • US2273620A - Method of making wheel plates : en
  • US2273572A - Portable elevator : en
  • GB543232A - Improvements in apparatus for dropping bombs from aircraft : en
  • US2273705A - Railroad safety device : en
  • US2273765A - Water-soluble complex gold-peptone-saccharide compounds and their manufacture : en
  • US2273370A - Window scaffold : en
  • CA402967A - Book or binder cover : en fr
  • US2273017A - Right and left drill pipe : en
  • AU114656B2 - Improved fire lighter : en
  • CA402858A - Camera : en fr
  • CA402979A - Cyclic sulfonic acid amide compound : en fr
  • US2273531A - Receiver tuning system : en
  • CA402982A - Motor control system for electric winding gear : en fr
  • AU227540A - Improvements relating to yarn twisting or doubling machines : en
  • AU33141A - Improvements in and relating to adjustable louvres and method of operation : en
  • CA402996A - Exhaust nozzle cowling : en fr
  • DE717565C - Device on packaging machines for filling measured quantities into flat bags or the like. : de en
  • US2273134A - Dual intermediate frequency amplifier circuit : en
  • GB543293A - Improvements in or relating to honing sticks : en
  • NL51936C - Distributor for an exchange of a telephone network over which messages are transmitted from a central point to the antenna by means of carrier frequency flows : en nl
  • US2273095A - Internal combustion hammer : en
  • US2273520A - Light source : en
  • CA402921A - Rubber hydrochloride composition : en fr
  • US2273634A - Railway truck brake : en
  • FR51252E - Improvements to liquid carbon dioxide extinguishers or other similar devices : en fr
  • GB543284A - Improvements in and relating to the manufacture of lubricants : en
  • US2273035A - Stabilization of polyvinyl acetal resins : en
  • US2273540A - Pressure and temperature responsive device : en
  • CA402988A - Radio signalling system : en fr
  • DE717625C - Device for starting automatically controlled combustion engines : de en
  • CA402973A - Pump stuffing box lubricating and cooling system : en fr
  • US2273777A - Method of forming blown glass articles : en
  • US2273631A - Sanitary fitting for thermometer stems and the like : en
  • US2273115A - Process of producing fast dyeings and the dyed fiber obtained thereby : en
  • AU114667B2 - Apparatus for opening and closing hinged doors : en
  • US2273015A - Method of making cast ceramic flatware : en
  • US2273392A - Multiple gang cultivator : en
  • US2273016A - Apparatus for feeding ceramic slip : en
  • US2273113A - Valve control : en
  • US2273491A - Business machine : en
  • DE717527C - Electric table or wall fan : de en
  • CA402864A - Die casting machine : en fr
  • US2273186A - Closure for high pressure heads : en
  • US2273715A - Rip fence for bench saws : en
  • US2273667A - Adjustable chair : en
  • US2273233A - Bottle cooler : en
  • DE717755C - Dust separator for coal dust firing : de en
  • DE717345C - Device for measuring the capacitance, especially of electrolytic capacitors : de en
  • US2273154A - Pipe joint : en
  • GB543256A - Bisthioammeline polyalkylene ether condensation products : en
  • ES5853Y - Device for lifting the valves of the engines. : en es
  • FR51255E - Advanced mechanical pencil : en fr
  • US2273054A - Thermionic gaseous discharge rectifier : en
  • US2273725A - Tar : en
  • DE717516C - Overpressure valve, especially for liquid shock absorbers of motor vehicles : de en
  • GB543268A - Improvements in electric heating and resistance elements : en
  • CA402883A - Electrolytic sugar reducing apparatus : en fr
  • CA402994A - Exhaust conduit reinforcement : en fr
  • DE717726C - Injection molding machine with automatic sequence of operations : de en
  • FR869784A - Process for eliminating vibrations at several frequencies from piezoelectric crystals : en fr
  • GB543220A - Depilatory and shaving stone and its mode of production : en
  • DE717490C - Process for applying monomolecular layers of silicates to monomolecular layers of a fatty acid salt which is insoluble in water : de en
  • US2273038A - Polymerization of gases : en
  • US2273597A - Metallic pigments and method of preparing same : en
  • US2273763A - Incandescible cathode : en
  • US2273175A - Forging machine : en
  • US2273560A - Method of coating : en
  • AU89741A - Improvements in and relating tothe process of hardening and tempering armour-piercing projectiles : en
  • DE717621C - Wide-angle telescope : de en
  • ES5787Y - Military caritiiraplora can docked dish. : en es
  • US2273021A - Adhesive applying machine : en
  • US2273407A - Speed regulating system : en
  • DE717648C - Filling device : de en
  • US2273343A - Refrigeration control structure : en
  • CA402940A - Seat construction : en fr
  • DE717763C - Filter crucible : de en
  • GB543252A - Improvements in radio-receiving sets comprising a wave-range switch : en
  • US2273174A - Hot water drain device : en
  • US2273463A - Apparatus for splicing rubber articles : en
  • US2273645A - Quick detachable electric lamp and socket construction : en
  • US2273059A - Golf ball driving mat for automatic teeing machines : en
  • US2273055A - Die for the manufacture of fibrous molded pulp articles : en
  • US2273187A - Metal loose leaf binder : en
  • DE717701C - Cam roller switch : de en
  • DE717704C - Process for the separation of haematoporphyrin and amino acids from blood : de en
  • USRE22028E - Electrical plug device : en
  • US2273383A - Remote control system : en
  • US2273385A - Masking means : en
  • FR869834A - Process for the production of substances of the pantothenic acid type, in particular of beta alanine peptides and its derivatives : en fr
  • GB543333A - Improvements in or relating to speed-indicating means for use in printing-telegraph apparatus : en
  • US2273353A - Illuminated push button switch : en
  • US2273695A - Artificial leg : en
  • US2273482A - Apparatus for treating oils : en
  • US2273490A - Exhaust nozzle for locomotives : en
  • DK59497C - Method of manufacture in a brick extruder with a grooved surface. : da en
  • ES5832Y - Mooring model of sections of supports welded together. : en es
  • US2273254A - Furnace for road planing machines : en
  • US2273541A - Ski harness : en
  • USD131418S - Design for a game board : en
  • US2273691A - Offset piston ring construction : en
  • DE717511C - Process for the production of a product containing lactalbumin from whey : de en
  • ES5758Y - Longitudinally split pipe. : en es
  • DE717507C - Foldable seat and deck chair : de en
  • ES144180A1 - Procedure for the concentration of minerals. : en es
  • GB543317A - Improvements in or relating to sealing doors for large containers such as kilns and the like : en
  • DK59484C - Bicycle light with electric Battery. : da en
  • US2273149A - Locking mechanism for doors : en
  • DE715491C - Electric cable with a tensile and pressure-resistant armoring over the cable jacket : de en
  • DE717671C - Coupling for motor-driven chainsaws : de en
  • CA402997A - Direct current changing apparatus : en fr
  • US2273272A - Tape and letter printing device : en
  • US2273547A - Ohmic resistance for ultra-short waves : en
  • CA402989A - Electrical reflector : en fr
  • US2273094A - Disazo dyestuffs soluble in water : en
  • CA402860A - Dental instrument : en fr
  • US2273393A - Heat shielded flexible hose : en
  • AU32041A - Improved fire lighter : en
  • US2273356A - Photoelectric color measuring and analyzing apparatus : en
  • CA402970A - Refrigerator car : en fr
  • US2273155A - Shirt neckband : en
  • US2273166A - Explosive : en
  • US2273797A - Electrolyzing brines : en
  • CA402909A - Anti-freeze corrosion inhibitor : en fr
  • US2273131A - Trunk or grille guard for automobiles : en
  • US2273255A - Manifolding mechanism for typewriters : en
  • US2273437A - Beading process : en
  • US2273646A - Clutch : en
  • AU114657B2 - Improvements in and relating to adjustable louvres and method of operation : en
  • DE717612C - Device for cutting off and fixing a part of the body, especially for castration : de en
  • DE717683C - Electrode for electrolytic capacitors with chemically roughened surface : de en
  • US2273754A - Rotary internal combustion engine : en
  • DE717607C - Long split, screwable clamp : de en
  • GB543301A - Improvements in or relating to the production of alkali cellulose and cellulose ethers : en
  • GB543243A - An improved culinary device for use in saucepans and other cooking vessels : en
  • US2273481A - Railway braking apparatus : en
  • DE699550C - Process for drying gases : de en
  • DK59489C - Photographic material consisting of several layers. : da en
  • US2273458A - Air control : en
  • US2273150A - Alternating current operated direct current amplifier circuits : en
  • US2273684A - Weather strip : en
  • USD131433S - Lamp for cooking ranges : en
  • US2273641A - Means for supporting brushes : en
  • DE717352C - Process for the production of Kuepen dyes : de en
  • US2273032A - Dual magazine control : en
  • US2273607A - Toilet device : en
  • FR869767A - Method and device for the manufacture of press-molded blanks, in particular for pistons of internal combustion engines : en fr
  • US2273219A - Dough-molding machine : en
  • US2273335A - Ash tray : en
  • US2273702A - Broad-tipped pen and feeder : en
  • FR51257E - Insulating material and its manufacturing process : en fr
  • CA402884A - Radio control apparatus : en fr
  • DE717614C - Grinder for small grinders, especially for coffee grinders : de en
  • FR51286E - Ceramic shimming insulator, intended in particular for electronic tubes, and tubes fitted with such an insulator : en fr
  • US2273499A - Mechanical tuning mechanism : en
  • DE717497C - Evaporator for liquids : de en
  • GB543239A - Production of artificial speech : en
  • GB543233A - Improvements relating to thermal responsive electric switches of the glow discharge type : en
  • GB543260A - Improvements in fuel supply systems for internal combustion engines : en
  • DE717735C - Finishing of crepe fabrics : de en
  • DE717736C - Continuously operated purge gas furnace : de en
  • FR869808A - Double window device : en fr
  • GB543316A - Web registering mechanism : en
  • ES148378A1 - AN EXTRALIGERA MAGNETO OF FOUR SPARKS RETURNED FOR AVIATION ENGINES OF VARIOUS CYLINDERS AND OF GREAT SPEED : en es
  • DE717622C - Psychrometer : de en
  • GB543285A - Process for manufacturing in the electric furnace alloys having a very low carbon content : en
  • US2273478A - Variable speed device : en
  • US2273418A - xx x x x x : en
  • US2273533A - Apparatus for holding rubber tire stock during cutting operations thereon : en
  • US2273578A - Hose clamp : en
  • US2273419A - Means for breaking the four scored corners of collapsible paper boxes : en
  • US2273642A - Brush supporting device : en
  • FR869800A - Electric lighter : en fr
  • GB543214A - Improvements in electric heating apparatus : en
  • GB543342A - Improvements in the control of electric motors particularly applicable to motors driving x-ray apparatus : en
  • DE717522C - Process for distributing paint on the inner wall of long hollow bodies : de en
  • DE717652C - Process for the production of acetoacetic esters : de en
  • DE717521C - Coating agent for tar or asphalt coatings : de en
  • US2273182A - Sealing strip : en
  • US2273300A - Letter and tape printer : en
  • US2273290A - Boiler and superheater : en
  • CA402956A - Current ballast device : en fr
  • GB543283A - Improvements in or relating to windings for induction machines : en
  • GB543321A - Facsimile telegraph system : en
  • GR9789B - AQUATIC GAS. : el en
  • DE670349C - Device for the fine ventilation of fluids, in particular gas fluids : de en
  • DE717631C - Flat material, especially fabric, with a destructive cover : de en
  • US2273790A - Mechanical resuscitator for combating asphyxia : en
  • US2273738A - Trap : en
  • US2273632A - Window regulator mechanism : en
  • US2273346A - Taping machine : en
  • US2273434A - Ophthalmic device : en
  • US2273061A - Aluminum base alloys : en
  • US2273334A - Vernier control : en
  • US2273331A - Flowmeter : en
  • CA402882A - Ferrous metal drawing method : en fr
  • GB543224A - A process for the catalytic halogenation of unsaturated organic compounds : en
  • CA402899A - Cathode structure : en fr
  • US2273031A - Physiologically active alkaloid from species of erythrina and processes for its production : en
  • US2273473A - Coloring rubber hydrochloride cements : en
  • DE717617C - Process for the thermal extraction of metals : de en
  • DE717655C - Arrangement for the transmission of messages by means of high-frequency carrier currents over pupinized low-current lines divided by protective transmitters : de en
  • CA402922A - Key and combination lock : en fr
  • US2273762A - Incandescible cathode : en
  • US2273365A - Vehicle control and speed indicating system : en
  • USD131428S - Design for a brooch or similar article : en
  • US2273447A - Unidirective energy radiating system : en
  • US2273714A - Tensiometer control system : en
  • US2273185A - Apparatus for securing valve stems to rubber tubes : en
  • US2273361A - Rest or support : en
  • AU226441A - Improved method for distillation of solid substances and apparatus therefor : en
  • AU114648B2 - Improved automatic voltage regulators for alternators : en
  • US2273453A - Boiler : en
  • US2273685A - Shaving device : en
  • US2273023A - Radiotelephone system : en
  • CA402937A - Buffing machine compound applicator : en fr
  • US2273647A - Multiply collar : en
  • US2273773A - Slide fastener : en
  • US2273231A - Remote control system : en
  • US2273432A - Electron discharge device circuits : en
  • US2273373A - Textile winding core : en
  • US2273571A - Pipe hanger : en
  • FR869818A - Separator for lead-acid accumulator : en fr
  • DE717520C - Wheel hub, especially for bicycles and similar vehicles : de en
  • FR869774A - Shock absorber particularly applicable to airplanes : en fr
  • CA402995A - Heat exchange apparatus : en fr
  • ES5788Y - Curling device : en es
  • US2273259A - Advertising device : en
  • US2273576A - Reflector : en
  • ES5825Y - Containers-frames with transparent cover to contain stamps, portraits, etc., for propaganda purposes. : en es
  • DE717660C - Contact arrangement for electrical switches, in particular compressed gas switches : de en
  • AU114640B2 - Improvements in gas generators : en
  • US2273205A - Fuel control device : en
  • US2273357A - Air conditioning apparatus : en
  • CA402943A - Circuit arrangement for amplifying electric oscillations : en fr
  • DE717760C - Mobile container with locking device : de en
  • DE717533C - Internal combustion hammer : de en
  • US2273686A - Surgical instrument : en
  • US2273709A - Electric power transmission circuit : en
  • US2273758A - Window and wall ventilator : en
  • US2273014A - Sickle guard appliance : en
  • US2273306A - Thermostatically controlled unit : en
  • AU32741A - Apparatus for opening and closing hinged doors : en
  • FR869829A - Improved lean gas components : en fr
  • US2273075A - Powdered catalyst system : en
  • CA402932A - Stoker air control device : en fr
  • US2273003A - Multiple stage vacuum tube : en
  • US2273588A - Electric protective arrangement : en
  • US2273193A - Wave transmission and shaping : en
  • US2273211A - Tubular coupling : en
  • US2273626A - Two-speed sander : en
  • US2273726A - Finishing petrolatum : en
  • DE717602C - Book stitching machine : de en
  • US2273135A - Electric cable : en
  • US2273022A - Automatic throttle control : en
  • US2273793A - Cathode ray tube : en
  • DE717536C - Focus inductor for surface hardening of metal workpieces : de en
  • US2273483A - Wire screen cloth : en
  • US2273704A - Electrical conducting material : en
  • US2273087A - Guide mechanism : en
  • US2273498A - Shoulder pad : en
  • US2273749A - Washing machine : en
  • US2273027A - Method and apparatus for making flexible metal tubing : en
  • CA402880A - Reversible two-stroke engine : en fr
  • US2273717A - Brush : en
  • US2273719A - Television signaling system : en
  • GB543350A - Improvements in or relating to fire hose and like nozzles : en
  • DE717544C - Antenna system with blocking circuit located at the antenna cable outlet : de en
  • DE717595C - V-belt : de en
  • US2273654A - Railroad box car ceiling construction : en
  • USD131412S - Design foe a plate or similar article : en
  • US2273337A - Method of loading manifolding devices and stationery material therefor : en
  • US2273755A - Method of producing sound records : en
  • GB543245A - Improvements in the manufacture of steel : en
  • US2273086A - Method of cooling weld joints : en
  • US2273119A - Steaming and drying apparatus : en
  • DK59482C - Procedure for the Preparation of Compounds of the Diphenylethane Series. : da en
  • FR869754A - : fr
  • ES5835Y - Folding chair. : en es
  • FR51292E - Strong ohmic resistance to wire windings : en fr
  • CA402854A - Lifting tongs : en fr
  • US2273207A - Toothbrush : en
  • DE717528C - Injection molding tool : de en
  • US2273213A - Method of charging refrigerating systems : en
  • FR869842A - Master cylinders capable of being applied to control hydraulic brakes : en fr
  • DE717739C - Cooling tower with overlapping layers of parallel-walled panels arranged at an angle to the vertical : de en
  • US2273683A - Valve seat refacing tool : en
  • US2273662A - Sorting device : en
  • US2273808A - System for transmitting indications : en
  • GB543323A - Improvements relating to hoist blocks, cranes, winches and the like : en
  • US2273711A - Piezocrystal device : en
  • DE717555C - Single roller grinder mill : de en
  • ES144697A1 - Procedure for the construction of reinforced concrete floors by means of decomposable elements. : en es
  • US2273180A - Liquid weighing and dispensing apparatus : en
  • ES5762Y - Improved device for artificial pneumothorax. : en es
  • GB543352A - Improvements in the manufacture of rubber : en
  • NL52212C - : en
  • USD131415S - Design for a pin or similar article : en
  • US2273298A - Treatment of hydrocarbons : en
  • US2273653A - Edging and butting machine : en
  • CA402914A - Furnace wall : en fr
  • FR869775A - Protective device for sliding tracks or guides of rolling parts on two parts of machines that can move relative to each other : en fr
  • GB543289A - Improvements in the production of pig iron : en
  • DE717618C - Device for controlling the light gap in sound film devices : de en
  • US2273629A - Control system : en
  • USD131411S - Design for a fruit juicer : en
  • FR51287E - Flash light especially for photography : en fr
  • FR869835A - Stamp counting machine : en fr
  • US2273117A - Process of producing fast dyeings and the dyed fiber obtained thereby : en
  • US2273492A - Spring clips : en
  • CA402885A - Radio control apparatus : en fr
  • US2273421A - Contact printer : en
  • US2273188A - Method and apparatus for producing artificial structures : en
  • US2273679A - Valve device : en
  • USD131426S - Design for a brooch or similar article : en
  • US2273444A - Process of producing sulphamides of ortho-dicarboxylic acid imides : en
  • CA402930A - Oscillograph scale system : en fr
  • ES6985U - Wallet case with sliding mirror. (Machine-translation by Google Translate, not legally binding) : en es
  • US2273454A - Underfeed riveting machine : en
  • US2273363A - Method for electrical investigation of cased drill holes : en
  • DE717558C - Cleaning device for sieves : de en
  • DE717559C - Centrifugal dust separator : de en
  • DE717682C - Electrical capacitor with a ceramic dielectric containing titanium dioxide : de en
  • DE717537C - Inlet regulator for circulating steam heaters of railway vehicles : de en
  • CA402976A - Sulphonic acid amide compound : en fr
  • US2273340A - Tire removing tool : en
  • US2273671A - Magnet switch : en
  • DE717656C - Method for applying short spaced, self-contained rings to high-frequency cables : de en
  • ES5805Y - Non-slip horseshoe. : en es
  • US2273688A - Audible signal device : en
  • US2273380A - Bearing seal : en
  • US2273519A - Amplifier circuit : en
  • US2273771A - Frequency modulated carrier detector : en
  • US2273071A - Hosiery and method for producing the same : en
  • US2273170A - Cleaning apparatus : en
  • US2273577A - Treatment of gelatin : en
  • US2273757A - Switch unit for automobile horns : en
  • ES5811Y - Gate for irrigation. : en es
  • FR869806A - Carburetor for internal combustion engines : en fr
  • DE717699C - Measurement circuit for field strength measurement of a transmitter : de en
  • FR51294E - Sprayer : en fr
  • FR51281E - Capacitor made using a metallized dielectric : en fr
  • CA402889A - Magnetic rotor : en fr
  • US2273615A - Method of forming brake drums : en
  • CA402971A - Shelf supporting device : en fr
  • DE717722C - Process for the production of tablettable products from C, C-disubstituted barbitus acids and 1-phenyl-2, 3-dimethyl-4-dimethylamino-5-pyrazolone : de en
  • US2273101A - Iron oxide pigments and process of producing the same : en
  • US2273018A - Printing telegraph apparatus : en
  • US2273663A - Antiskidding device for automobiles : en
  • US2273718A - Liquid meter : en
  • ES5804Y - Chopper or kitchen chop. : en es
  • US2273201A - High speed railway car truck : en
  • US2273265A - Tape feeding and retracting device : en
  • DK59492C - Device by Safety Caps for Bottles. : da en
  • FR51273E - Process for desulphurizing iron or iron alloys : en fr
  • AU114673B2 - Improvements in or relating to fence-electrifying apparatus : en
  • FR869781A - Improvement in removable non-slip devices, in particular for pneumatic tires : en fr
  • US2273118A - Check valve and air vent : en
  • US2273650A - Compositions of matter : en
  • CA402944A - Electrode system : en fr
  • DE717492C - Process for the production of condensation products from ethereal oils : de en
  • US2273764A - Electrical switch : en
  • AU114661B2 - Manufacture of polymeric materials : en
  • FR869841A - 180deg. Phase inversion device, in particular for transmitting devices used to generate guidelines : en fr
  • DE717562C - Device for coupling trailers to motor vehicles without the assistance of an assistant : de en
  • DE717651C - Process for the production of silica gel optionally containing other substances : de en
  • DE717765C - Illuminated liquid level indicator, especially for steam boilers : de en
  • GB543331A - Improvements relating to electric railways : en
  • DE717685C - Hot water heating system for optional pump and gravity operation : de en
  • DE717556C - Device for grinding all kinds of materials : de en
  • CA402936A - Railway traffic signal control system : en fr
  • US2273360A - Light pencil : en
  • FR869801A - Unbalance indicating or recording device : en fr
  • GB543234A - Manufacture of plastic materials : en
  • US2273328A - Solenoid operated brake : en
  • US2273668A - Package with mount, and combination thereof with a dispensing cabinet : en
  • US2273734A - Domestic appliance : en
  • GB543280A - Improvements in brackets for fixing curtain rails of i or other crosssection suitable for curtain runners : en
  • DE717519C - Window cleaner : de en
  • GB543246A - Improvements in or relating to arched structures and methods of building the same : en
  • DE717515C - Cushioning, especially for motor vehicles : de en
  • AU28841A - Condenser for refrigeration apparatus andthe like : en
  • US2273735A - Machine for filling forms with biscuit material : en
  • ES5810Y - Toilet. : en es
  • DE717585C - Arc converter with auxiliary ignition and one or two-sided gas flow : de en
  • DE717692C - Process for the water repellency and crease-proofing of textile material made of cellulose or cellulose hydrate fibers : de en
  • DE717717C - Hold-open device for sliding gates : de en
  • DE717721C - Process for the production of hard, lumpy coke from lignite : de en
  • FR869844A - : fr
  • US2273139A - Telephone system : en
  • US2273329A - Tree trimming device : en
  • US2273524A - Shaving device with offset slots : en
  • DE717606C - Movable, no switching forces transmitting power supply for contacts : de en
  • DE717757C - Device for twisting warm rods coming from the last pair of rollers : de en
  • AU114525B2 - Improvements relating to cylinder bores : en
  • US2273137A - Slubbing mechanism : en
  • DE717634C - Cushioning, especially for motor vehicles : de en
  • DK59490C - Rear motor vehicle with cooling air fan. : da en
  • GB543335A - Improvements in the mountings and actuating mechanism of sliding windows, particularly windows of motor cars and other vehicles : en
  • ES5942Y - Cover for packaging of jars and bottles. : en es
  • ES5789Y - Aspiration syringe for exudates or suppurations in certain dental interventions. : en es
  • FR51276E - Improvements to zinc alloys : en fr
  • DE701870C - Auto switch : de en
  • DE717571C - Locking device for paper cutting machines : de en
  • FR869831A - : fr
  • USD131427S - Design foe a brooch or similar article : en
  • ES5772Y - Rotating nosepiece from Dr. Sandoval. : en es
  • ES5837Y - New bentwood frame. : en es
  • DE717531C - Shoe holder for glaette presses : de en
  • DE717734C - Tape cutting device : de en
  • ES148014A1 - ELECTRICAL MACHINES WITH CHARCOAL COLLECTORS : en es
  • US2273239A - Pocket billiard ball triangle : en
  • AU266541A - Improvements relating to cylinder bores : en
  • US2273406A - Power plant : en
  • US2273151A - Furniture drawer lock : en
  • US2273230A - Knitted fabric and method : en
  • FR51259E - Gasifier trailer : en fr
  • US2273142A - Visual tuning indicator : en
  • US2273614A - Method of forming composite : en
  • FR51268E - Electric accumulator for flashlight : en fr
  • US2273092A - Humidifier : en
  • USD131421S - Design for a clock : en
  • ES5839Y - Living room game imitating football. : en es
  • USD131441S - Design for a dress : en
  • USD131449S - Design for a dress : en
  • US2273511A - Means to transform an alternating potential : en
  • US2273192A - Friction shock absorbing mechanism : en
  • US2273760A - Automatic volume control : en
  • ES6995U - Urethral type syringe. (Machine-translation by Google Translate, not legally binding) : en es
  • GB543222A - Improvements in radio frequency phase shifting circuit arrangements of the rotary field type : en
  • FR869756A - Piston with shaped sliding face, for internal combustion engines : en fr
  • CA402978A - Aromatic sulphonamide-substituted antimony compound : en fr
  • CA402855A - Road grading machine : en fr
  • US2273145A - Corner construction for fullfashioned hosiery : en
  • US2273449A - Portable sterilizer : en
  • US2273295A - Letter and tape printing device : en
  • DE717554C - Pre-selection switch for gear change gear : de en
  • AU114663B2 - Improved method for distillation of solid substances and apparatus therefor : en
  • US2273573A - Process for treating alcohol, and catalyst therefor : en
  • US2273675A - Control attachment for narrowing mechanism : en
  • GB543339A - Improvements in or relating to internal shoe drum brakes : en
  • SE103772C1 - : sv
  • DE717592C - Herring cutting machine : de en
  • US2273250A - Method of making valve parts or the like : en
  • ES6987U - Oyster opener and the like : en es
  • US2273805A - Platinum alloy : en
  • US2273019A - Fuel measuring and distributing pump for oil engines : en
  • US2273221A - Lawn mower attachment : en
  • FR869799A - emulsions and their preparation process : en fr
  • GB543324A - Improvements in dynamo-electric machines : en
  • US2273364A - Filament : en
  • US2273713A - Plastic injection molding machine : en
  • FR869759A - Light metal piston for internal combustion engines : en fr
  • GB543270A - An improved date-indicator primarily for use with timepieces : en
  • US2273554A - Manufacture of laminated material : en
  • CA402934A - Venturi silencer : en fr
  • US2273266A - Bottle carrier : en
  • US2273310A - Visible index : en
  • NL51914C - : en
  • US2273461A - Process for the production of calcium metaphosphate and hydrogen : en
  • CA402863A - Tennis racket : en fr
  • US2273042A - Treatment of hydrocarbons : en
  • US2273236A - Printing telegraph system : en
  • US2273339A - Catalytic cracking : en
  • US2273759A - Nut cracking machine : en
  • CA402998A - Bake oven ejector and injector : en fr
  • GB543347A - Improvements in, and connected with socket tubes for electrical apparatus : en
  • FR869768A - Method of operating two-stroke internal combustion engines with a scavenging pump, in particular a crank case pump, and an engine for the application of this method : en fr
  • FR869782A - Improvements to processes for color photography and products used for this purpose : en fr
  • US2273301A - Flat knitting machine : en
  • US2273318A - Launching device for lifeboats : en
  • US2273716A - Glass cutting apparatus : en
  • US2273304A - Apparatus for drying laundry : en
  • US2273493A - Automatic starting gate : en
  • US2273617A - Radio receiver : en
  • US2273144A - Frequency modulation detector : en
  • US2273639A - Selectivity control circuit : en
  • US2273247A - Metal container and closure therefor : en
  • ES147567A1 - A procedure for obtaining images for the projection in incident light. : en es
  • AU114643B2 - Improvements in and relating to apparatus employed inthe hardening and tempering of armour piercing projectiles : en
  • DE717686C - Safety device for individually heated hot water radiators : de en
  • CA402896A - Electrical insulation : en fr
  • DE717603C - Device on writing business machines to secure the exact position of the platen : de en
  • DE717641C - Centrifugal governor for the switching device of air brakes on fast moving rail vehicles : de en
  • CA402875A - Molten metal product : en fr
  • US2273084A - Automatic control for wind power units : en
  • CA402900A - Electric discharge device : en fr
  • US2273215A - Well surveying method and apparatus : en
  • US2273416A - Golf instruction device : en
  • US2273656A - Amplifier control circuits : en
  • US2273321A - Amino azyl polysulphides and method of making the same : en
  • US2273562A - Photographic emulsion : en
  • FR51282E - Incandescent electrode for electric discharge tubes : en fr
  • GB543303A - A new or improved device for attachment to water taps for the emptying of water from receptacles and other places : en
  • CA402980A - Searchlight installations : en fr
  • CA402925A - Respirator : en fr
  • CA402942A - Tubular car axle : en fr
  • DE717546C - Device for the display and simultaneous regulation of electrometrically detectable quantities, in particular pH values : de en
  • US2273260A - Heating and control system : en
  • US2273436A - Composition of halogen containing film forming material : en
  • US2273673A - Volume control circuit : en
  • DE717646C - Arrangement for noise damping in electric motor-driven impeller fans with vertical shaft : de en
  • AU114660B2 - A composition for the treattment of balanitis in sheep : en
  • DE717483C - Process for the production of purified vitamin E preparations : de en
  • AU54041A - A composition for the treattment of balanitis in sheep : en
  • GB543336A - Ultra short wave beacons : en
  • GB543322A - Apparatus for observing the movement of traffic near a given point : en
  • US2273469A - Dried milk product : en
  • US2273338A - Production of catalytic material : en
  • US2273660A - Process of refining by selective solvent action : en
  • USD131451S - Design for a dress : en
  • DE717698C - Arrangement for influencing the frequency of a tube oscillator by means of regulated wattless feedback : de en
  • DE717714C - Steep screw control : de en
  • DE717680C - Process for the preparation of aliphatic sulfonic acid halides : de en
  • US2273500A - Machine for compressing lenses or the like : en
  • US2273162A - Strip separating mechanism : en
  • DE717601C - Method and device for removing foam : de en
  • CA402985A - Textile cheese winding apparatus : en fr
  • AU114666B2 - Improvements relating to yarn twisting or doubling machines : en
  • CA402866A - Dental apparatus : en fr
  • FR51284E - Method of applying deposits with high heat-insulating radiation power and low secondary electronic emission power, in particular in electron discharge tubes : en fr
  • FR869827A - Filter cloth filter device : en fr
  • US2273268A - Method and apparatus for driving nails : en
  • CA402892A - Electric discharge device : en fr
  • NL52718C - : en
  • DE679066C - Ice making device : de en
  • DE717677C - Device in thread grinding machines for laterally setting a pre-machined thread to the grinding wheel : de en
  • FR51264E - Fastening systems for buttons : en fr
  • US2273580A - Door collection receptacle : en
  • CA402913A - Closure device : en fr
  • USD131405S - Design for a glass dish ok article of similar nature : en
  • USD131447S - Riesenberg dress ensemble : en
  • DE700607C - Track brake : de en
  • GB543266A - Improvements in or relating to grease guns : en
  • US2273256A - Electrically powered locomotive drive : en
  • US2273730A - Automatic combined heating and compressing apparatus : en
  • US2273138A - Lipstick holder : en
  • FR869795A - Process for manufacturing yarns or artificial fibers of viscose, exhibiting good usability : en fr
  • FR869765A - fabrics, felts, paper and similar substances with high adsorption and absorption capacity in hydrophobic man-made fibers : en fr
  • GB543250A - Improvements in knitting machines : en
  • US2273325A - Warp letoff motion : en
  • US2273652A - Mathematical apparatus : en
  • US2273323A - Accelerator of vulcanization : en
  • US2273697A - Shoe structure, insole, and method of making same : en
  • DE717687C - Kneading and mixing machine for raw rubber or the like. : de en
  • GB543241A - Improvements in swivel couplings for tubular members : en
  • DE717728C - Electric musical instrument : de en
  • FR51269E - Sockets for lighting lamps : en fr
  • FR869758A - Aluminum alloy for sliding bearings : en fr
  • GB543276A - A lamp fitting for use in flashlight photography : en
  • US2273122A - Roll structure for employing small diameter working rolls in the leveling of sheet and strip material : en
  • US2273191A - Measuring and control apparatus : en
  • US2273013A - Lubrication : en
  • CA402947A - Radio receiver circuit arrangement : en fr
  • GB543349A - Improvements in or relating to reinforcing means for fibre or like building boards : en
  • AU89841A - Improvements in and relating to apparatus employed inthe hardening and tempering of armour piercing projectiles : en
  • US2273359A - Material handling machine : en
  • US2273515A - Fire-extinguishing liquid : en
  • DE717769C - Overlap ignition device for roasters, ovens or the like. : de en
  • US2273792A - Surgical cast : en
  • US2273234A - Method of and solution for producing a coated iron article : en
  • US2273778A - Method of increasing the durability of glassware : en
  • US2273621A - Train coupling device : en
  • USD131446S - Design for a badge ob similar article : en
  • US2273269A - Preparation of organic esters : en
  • US2273566A - Washing machine : en
  • DE675439C - Process for sector-like field irrigation : de en
  • DE717609C - Fastening the brush holder in electrical machines : de en
  • DE717650C - Method and device for separating closure members provided with a head for zip fasteners from a metal strip : de en
  • US2273470A - Method of lining cartons : en
  • FR869850A - Alarm for electrical appliances filled with oil : en fr
  • GB543308A - An improved manufacture of polymerisation products : en
  • US2273707A - Method of making pure magnesium oxide : en
  • US2273319A - Toilet seat cover package : en
  • USD131450S - Design fob a dress : en
  • GB543229A - Radio landing beacon systems : en
  • DE717752C - Fuel injector : de en
  • US2273271A - Apparatus for removing solids from fluids : en
  • US2273240A - Production of yarn : en
  • US2273405A - Disintegrator : en
  • ES5759Y - Changeable pricing model. : en es
  • GB543221A - Ice cream freezing vessel : en
  • US2273173A - Motion-transmitting mechanism : en
  • FR51271E - Halogenated substitutes of acylamino-sulfonic acids and process for their preparation : en fr
  • US2273251A - Calculating machine : en
  • US2273604A - Display apparatus : en
  • US2273611A - Cigarette package : en
  • US2273742A - Lapel for reversible coats and the like : en
  • DE717676C - Device for displaying leakage water in ship rooms : de en
  • DE717640C - Support wall : de en
  • GB543348A - Improvements in or relating to boards or the like : en
  • GB543237A - Improvements in boxes of paper, cardboard or the like material : en
  • US2273586A - Electric valve circuits : en
  • US2273594A - Garage door actuating means : en
  • US2273322A - Organic vulcanizing agent : en
  • CA402929A - Clothes wringer mounting : en fr
  • DE717586C - Socket-less discharge tubes, in which the load-bearing electrode feeds, which are outstanding from the wall of the vacuum vessel, which is preferably made of glass, are surrounded by tubular contact bodies : de en
  • ES5800Y - Metal closure for containers. : en es
  • FR869814A - Method and device for air-conditioning living rooms and the like : en fr
  • GB543325A - Improvements in or relating to adhesives : en
  • ES5769Y - Mechanical wringing cloth. : en es
  • DE717480C - Electric gas switch : de en
  • US2273551A - Cap for ingot molds : en
  • US2273049A - Signature gathering : en
  • US2273564A - Diamino benzyl alcohols and process for making same : en
  • US2273238A - Molding machine and mold for centrifugal casting of annular bodies : en
  • US2273177A - Pitch modifying mouthpiece for brass wind musical instruments : en
  • US2273223A - Brake mechanism : en
  • US2273408A - Speed regulating system : en
  • DE717633C - Parachute, which consists of several deformable parts that complement each other to the usual parachute surface : de en
  • FR51289E - Trichlorethylene polymerization process : en fr
  • US2273195A - Typewriting machine : en
  • ES5754Y - Multipolar magnetic toy. : en es
  • US2273012A - Treatment of hydrocarbon distillates : en
  • US2273701A - Narrow fabric holder device : en
  • US2273468A - Hydrodynamic machine : en
  • CA402893A - Connector plug : en fr
  • US2273227A - Box structure gem mounting : en
  • US2273479A - Article dispensing or vending machine : en
  • AU114668B2 - Improvements in or relating to mountings for electric fittings : en
  • DE717629C - Electrically operated pump for flammable liquids : de en
  • US2273523A - Fender shield construction : en
  • US2273672A - Stretcher : en
  • US2273160A - Meat block resurfacing machine : en
  • DE717661C - Time switch device for the protection of high-voltage systems : de en
  • US2273465A - Transmission line matching : en
  • ES5820Y - Brush for cleaning floors. : en es
  • US2273332A - Packing : en
  • AU114639B2 - Condenser for refrigeration apparatus andthe like : en
  • GB543305A - Improvements in or relating to detachable couplings for lubricating apparatus : en
  • FR51263E - Method and device for the use of acetylene as a fuel for motor vehicles : en fr