• US2048864A - Valve : en
  • US2048990A - 1, 3-diamino-2-methyl propanol-2 : en
  • CA359490A - Motion picture apparatus indicating system : en fr
  • CH185501A - Starting device on explosion engines with heavy fuel operation. : de en
  • CH185520A - Electric light bulb for general lighting. : de en
  • CH185584A - Process for the preparation of an azo dye. : de en
  • US2049359A - Method of purifying silicic acid : en
  • US2048941A - Machine for distributing material on highways in measured form : en
  • AU2352435A - Improvements in or relating to high frequency inductors : en
  • SU47738A1 - Speed relay : en ru
  • CA359531A - Sweat pad reinforcing means : en fr
  • CH185409A - Process for preparing a fermented drink. : en fr
  • US2048801A - Rotary offset press : en
  • USD100583S - Design for a cap for collapsible : en
  • US2048952A - Road scraper : en
  • US2049265A - Sucker rod coupling : en
  • US2049341A - Tool handle fastening : en
  • USD100600S - Design for a fishing rod holder : en
  • SU47900A1 - Hydraulic ram : en ru
  • US2048722A - Range finding, horizontal angle measuring, and angle of site instrument : en
  • US2049104A - Wing nut : en
  • US2049357A - Ground engaging brake : en
  • CH185467A - Process for the production of a heat treatable aluminum alloy and aluminum alloy produced by this process. : de en
  • US2048729A - Carton and method : en
  • SU47890A1 - Scan with self-centering cutters : en ru
  • CH185525A - Electric hand lamp. : de en
  • CH185498A - Injector device for internal combustion engine. : en fr
  • SU47897A1 - Bonding material for filling the seams and joints of individual abrasive elements of artificial ceramic groundstone stones : en ru
  • US2049222A - Sight-testing apparatus : en
  • CH185461A - Device with rotating counter elements for mechanically adding additions. : en fr
  • US2048966A - Receptacle for mushroom spawn culture : en
  • DE620492C - Process for the production of ammonium sulphate : de en
  • SU47905A1 - Device for adjusting the depth of the bow of the uniaxial trailers for the transport of small vessels : en ru
  • US2048743A - Clothes drying apparatus : en
  • US2049032A - Preparation of phosphoric acid : en
  • US2049181A - Card game board : en
  • US2049405A - Liquid dispenser : en
  • US2048814A - Electrical indicating apparatus : en
  • US2049358A - Production of cuprous cyanide : en
  • US2049333A - Gas plant : en
  • CH185457A - Device for measuring angles. : en fr
  • CH185404A - Laundry rope tensioner. : de en
  • US2049277A - Dewaxing and partially decolorizing petroleum lubricating stock : en
  • FR801172A - Improvements to lift-up seats with adjustable backrest : en fr
  • GB450921A - An improved holder for dental silk : en
  • DE1379689U - : de en
  • GB451031A - Improvements in bullets : en
  • SU47873A1 - Method of operation of a gas powered power plant : en ru
  • US2048694A - Air conditioner : en
  • US2049191A - Combination material working machine : en
  • CH185549A - Switching device in flashing light systems of motor vehicles. : de en
  • CH185590A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • CA359410A - Chemical reaction temperature control : en fr
  • CA359437A - Comminuted shortening : en fr
  • CA359489A - Trousers : en fr
  • CA359448A - Container for carbonated liquids : en fr
  • CH185468A - Method and device for the production of metallic magnesium. : de en
  • SU47708A1 - Shiber for shaft furnaces : en ru
  • SU47932A1 - Method of making refractories : en ru
  • US2049280A - Game : en
  • GB451258A - Feeding mechanism for arc lamps with rotating carbons : en
  • DE633513C - Motor vehicle with twin wheels for optional driving on roads and terrain : de en
  • FR801051A - Process for the preparation and development of durable layers sensitized with heavy metal salts, particularly on photocopy papers : en fr
  • SU47700A1 - Device for sealing the joints of pipes with the walls of sectional devices : en ru
  • USRE20043E - Method of making brake drums : en
  • US2048817A - Manufacture of heat insulating tubes : en
  • US2049029A - Frame assembly for mirrors and the like : en
  • GB451117A - Improvements in or relating to electrical time base arrangements for use in oscillographic observations and the like : en
  • ES4311Y - Protective screen for electric welding. : en es
  • FR801165A - Motorcycles frame : en fr
  • AU400741B2 - Extreme pressure lubricant and method for making the same : en
  • US2048745A - Dye compositions and method of making : en
  • GB451114A - Process and device for the spinning of artificial silk : en
  • SU47725A1 - Method of making microporous separators : en ru
  • US2049154A - Process for communicating with trains in motion by a high frequency current and applications : en
  • US2049301A - Control mechanism : en
  • DE633558C - Adjustable wire feed device for wire stitching machines with intermittent feeding of the wire : de en
  • SU47944A1 - The method of water purification from solutions of forming substances and decomposition of other impurities in water, such as organic substances, oils, etc. : en ru
  • DE633466C - On-the-fly, radial flow centrifugal machine : de en
  • GB451067A - Improvements in slitting means : en
  • CH185530A - Process for the production of a scattering powder. : de en
  • SU47856A1 - Machine for planting seedlings in cups : en ru
  • CH185474A - Wood planer. : de en
  • DE633484C - Roller for conveyor ovens : de en
  • US2049299A - Azo dyestuffs and their production : en
  • SU47937A1 - Anchoring for balance watches : en ru
  • US2049365A - Glass washer : en
  • GB451059A - Improvements in reservoir marking instruments : en
  • SU47959A1 - Elastic connection of separate parts of mine mechanical support without the use of auxiliary connecting parts : en ru
  • US2049107A - Ophthalmic mounting : en
  • USD100609S - Design fob a midwing : en
  • CH185571A - Process for the preparation of an aminochrysenic sulfonic acid. : de en
  • CH185482A - Power plant with a device for comminuting work items, in particular for producing coal dust for operating the power plant. : de en
  • DE633632C - Process for the purification of inhalation smoke of inorganic halides : de en
  • ES141192A1 - Arrangement to produce a new model of electric reflector lamp. : en es
  • GB451124A - Improvements relating to sliding roofs for railway wagons and other vehicles : en
  • DE633528C - Device for testing motor vehicle brakes : de en
  • DK51937C - Elements for Central Heaters. : da en
  • DE633623C - Relieved welding socket connection : de en
  • DK51943C - Electrode Support for Discharge Tubes. : da en
  • GB451038A - Improvements in or relating to railway signal or like oil-burning lamps : en
  • FR801103A - Method and instrument for making inscriptions and decorations on glass surfaces, more especially for making badges on glass : en fr
  • FR801244A - Adjustment facility : en fr
  • GB451065A - Improvements in and relating to the scavenging and charging of the cylinders of two-stroke cycle internal combustion engines : en
  • US2049002A - Traffic signal : en
  • US2049159A - Insole : en
  • US2048830A - Manufacture of glass sheets : en
  • CH185563A - Lid attachment to food cans. : de en
  • CH185608A - Process for the preparation of a polyammonium compound. : de en
  • FR801338A - Process for the extraction of precious metals, particularly applicable to the treatment of poor ores : en fr
  • FR801060A - Process for the manufacture of shaped porous metal parts : en fr
  • DE633597C - Self-connection telephone : de en
  • FR801173A - Complementary filling device for an auxiliary vessel from a lower liquid reservoir : en fr
  • GB451064A - Improvements in or relating to furnaces for burning coal : en
  • GB450942A - Fittings for use in connection with lavatory seats and the like : en
  • GB451156A - Improvements in pistons : en
  • FR801137A - Package for chemicals : en fr
  • GB451275A - Improvements in self-filling fountain pens : en
  • GB450924A - Sprayer for printed sheets : en
  • CA359449A - Door handle coupling : en fr
  • US2048999A - Meat holding device : en
  • DE633634C - Traction sheave reel conveyor : de en
  • ES142035A3 - Device for galvanizing metal sheets according to the lead-zinc procedure. : en es
  • GB451214A - Interconvertible tables and other articles of furniture : en
  • SU47777A1 - Instrument for examining the muscular system of the eyes and the depth of vision : en ru
  • US2048788A - Trailer brake : en
  • US2049129A - Electrical measuring instrument : en
  • US2049387A - Electric heater : en
  • SU47855A1 - Apparatus for wetting and mixing the grain, for example, during rovization : en ru
  • ES4354Y - Rotating telephone index : en es
  • FR801070A - Improvements to automatic oscillator frequency control systems : en fr
  • GB450897A - Locking means to prevent unauthorized use of cycles and motor cycles : en
  • GB451222A - Improvements in boxes, tins and like containers : en
  • DE633638C - Device for checking internal dimensions : de en
  • US2048944A - Game : en
  • USD100603S - Design for an emergency brake : en
  • SU47764A1 - A device for cleaning tube bundles of heat exchangers of oil refineries : en ru
  • US2049153A - Submerged water heater for boilers : en
  • GB451040A - Improvements in and relating to railway switch mechanism : en
  • GB451056A - Improvements in or relating to modulated carrier wave transmitters : en
  • GB451130A - Improved process for direct production of propylene oxide : en
  • ES141975A2 - IMPROVEMENTS IN THE PLANOGRAPHIC PRINTING PLATES. : en es
  • US2048796A - Treatment of textile materials : en
  • SU47721A1 - Device for automatic tuning of radio transmitter : en ru
  • SU47841A1 - An instrument for determining the viscosity of a fluid : en ru
  • SU47964A1 - Magnetron device : en ru
  • US2049243A - Production of sulphuric acid from high oil acid sludges : en
  • SU47877A1 - Samostopor schA with nut : en ru
  • FR801314A - Method of automatic comparison of two alternating voltages of the same phase : en fr
  • USD100556S - Design for a luminair : en
  • SU47935A1 - Device for reciprocating the links of the cargo raft : en ru
  • FR801150A - Game device : en fr
  • FR801273A - Process for manufacturing citric acid by bacteriological treatment of molasses : en fr
  • SU47685A1 - Method for producing cuprous oxide : en ru
  • FR801054A - Cigarette case enhancements : en fr
  • DE633578C - Door or window hinge : de en
  • FR801264A - Blowing device applicable to electric switches : en fr
  • GB451136A - Improvements in and relating to squeegee blades for wipers such as motor car wind screen wipers, and the manufacture thereof : en
  • FR801257A - Electrotherapeutic or electrosurgical process by sustained oscillations at high and very high frequency and device for carrying out this process : en fr
  • ES142070A3 - An aerial antenna eliminator apparatus. : en es
  • GB450885A - Improvements relating to arc-suppressing arrangements for alternating current electric switches : en
  • GB451086A - Tape measure : en
  • US2048938A - Elevator for conveyer systems : en
  • ES142140A1 - A method of manufacturing yarns of elastic or stretchable materials, such as glass and the like. : en es
  • US2049052A - Reenforced artillery wheel : en
  • US2049184A - Conduit : en
  • ES141984A1 - Apparatus for the delivery of cards or cards for totes or similar. : en es
  • GB450931A - Improvements in or relating to rock drills : en
  • DE598035C - Method for finishing textile goods using a hydraulic calender and device for carrying out the method : de en
  • DE633471C - Method for imparting twist with a twisting spindle : de en
  • US2049278A - Building construction : en
  • FR801145A - Improvements to discharge tubes : en fr
  • DE633552C - Pressure reducing valve, especially for breathing apparatus : de en
  • US2048881A - Metronome : en
  • US2048879A - Means of transmitting fingerprint characteristics : en
  • SU47682A1 - Contact apparatus for the oxidation of sulfur dioxide : en ru
  • US2048672A - Guest announcer : en
  • US2048958A - Rock drill : en
  • FR801231A - Improvements to the notches of straight and rotary files : en fr
  • FR801326A - Process for preparing agents suitable for improving lubricants : en fr
  • GB451154A - Improvements in and relating to mechanism for applying sections of covering or tipping material to a continuously advancing web of wrapping material : en
  • US2048841A - Stereotype blanket : en
  • US2048862A - Fender accessory : en
  • FR801104A - Process for obtaining flexible soles for shoes : en fr
  • ES141896A1 - Device for the expedition of pasty or liquid substances. : en es
  • SU47726A1 - A method of manufacturing an active material for an iron alkaline battery electrode : en ru
  • US2048836A - Picker for looms : en
  • US2049220A - Waterless ice bag : en
  • US2049148A - Pouring practice and apparatus : en
  • CH185580A - Process for the preparation of an aryldiazonium salt. : de en
  • CH185497A - Winch, particularly intended for working in the vineyard. : en fr
  • FR801208A - General purpose fire extinguisher : en fr
  • FR801266A - Magnetic shunt relay : en fr
  • FR801177A - Axle for motor vehicles or others : en fr
  • FR801285A - Metal clip to seal packing boxes : en fr
  • US2049088A - Construction of buildings : en
  • DE633474C - Measuring and trial corset : de en
  • DE633633C - Vacuum cleaner mouthpiece : de en
  • CA359431A - Air cooled ozonator : en fr
  • DE633216C - Process for the chlorination of nickel contained in lateritic ores : de en
  • FR801146A - Cathodes for discharge tubes : en fr
  • CA359513A - Vehicle transporting means : en fr
  • AU2361235A - Improved wheelbarrow : en
  • US2049402A - Process for preparing salts of copper : en
  • US2048807A - Composite rubber sheet : en
  • ES3470Y - Swimsuit with new reinforcement system. : en es
  • GB451037A - A method of and apparatus for producing multiple electric spot welds simultaneously or in sequence : en
  • GB451142A - Connector for taps, pipes and the like : en
  • FR801089A - Tamper-evident envelope : en fr
  • US2049126A - Claw coupling : en
  • GB451209A - Improvements in brakes for wheels, drums, pulleys and the like : en
  • DE633609C - Small tractor : de en
  • FR801212A - Frying machine : en fr
  • FR801335A - Device for drying gloves : en fr
  • US2048799A - Silicon esters of modified polyhydroxy alcohols : en
  • ES4310Y - Projecting blade cylinder for machines designed to work hides and skins. : en es
  • GB450878A - Improvements in or relating to wind direction indicators for aerodromes : en
  • SU47917A1 - Three stroke receiver : en ru
  • US2048945A - Movable automobile front bumper : en
  • US2049258A - Stranding machine : en
  • US2048705A - Jar closure : en
  • US2048770A - Manufacture of stabilized motor fuels : en
  • SU47808A1 - Trolley for feeding logs or logs in sleeper and the like with a circular or band saw : en ru
  • SU47831A1 - A light filter to highlight a beam of parallel rays of a certain direction : en ru
  • SU47891A1 - Adaptation to the machine for closing the cans for bottling : en ru
  • CH185433A - Container. : de en
  • CH185526A - Accessories for artificial teeth. : de en
  • DE633413C - Airtight container : de en
  • SU47683A1 - Brine cleaning method : en ru
  • CA359516A - Rubber article manufacture : en fr
  • CH185451A - Device for synchronous motor remote transmission of angles of rotation. : de en
  • CA359480A - Two-wheeled vehicle : en fr
  • GB451057A - Improvements in or relating to circular knitting machines : en
  • US2049236A - Surveying underground structures : en
  • USD100553S - Design fob a coffee maker : en
  • CH185417A - Process for the preparation of a chromating dye of the anthraquinone oxazole series. : de en
  • DE633483C - Process for warming sensitive hot material : de en
  • AU2351335A - Exhaust device for internal combustion engines : en
  • DE556916C - Longitudinal ball bearings : de en
  • US2048706A - Method of making alloys : en
  • US2049206A - Method of forming well screens : en
  • GB450916A - Improvements in penholders : en
  • GB451050A - Improvements in life-guards for vehicles : en
  • GB451414A - Improvements in or relating to the removal of liquid materials from hides or skins : en
  • FR801084A - Filter for dust or particles in suspension, in particular for gas masks : en fr
  • CA359375A - Aliphatic compound : en fr
  • CH185400A - Knitting process, knitting needle for its implementation, and knitting obtained by this process. : en fr
  • GB451232A - Improvements relating to electro-magnetic carbon-pile regulators : en
  • SU47659A1 - Punching machine : en ru
  • FR801186A - Device for fixing electric or other wires to any support and its application to socket outlets for electric lamps : en fr
  • FR801147A - Method of reproducing images for television : en fr
  • US2048703A - Sight mounting : en
  • CH185594A - Process for the preparation of an unsymmetrical pentacarbocyanine dye. : de en
  • ES142064A1 - Hydraulic speed change. : en es
  • US2048865A - Supporting device for telephone receivers : en
  • CA359423A - Pinning machine : en fr
  • USD100586S - Design for a necktie fastener or : en
  • US2049014A - Process of improving lubricating oil : en
  • US2049160A - Sulphur condenser : en
  • US2049253A - Auxiliary supercharger and super-compressor ignition high speed diesel engine : en
  • DE633500C - Fitting for mountain sports shoes to be attached to the edge of the sole : de en
  • ES142005A1 - A device for fastening to its supports corrugated sheets of cement and asbestos slate or the like. : en es
  • SU47743A1 - Bars for checking the condition of suspension insulators : en ru
  • US2049251A - Lamp shade : en
  • SU47825A1 - Machine for measuring skin area and thickness : en ru
  • GB451134A - Improvements in and relating to apparatus for indicating the quantity of liquid in acontainer : en
  • DE633475C - Ring or arched track extension from profile iron segments : de en
  • US2049063A - Machinery packing : en
  • US2049338A - Electric incandescent lamp : en
  • US2049228A - Can : en
  • US2049395A - Rug-making attachment for sewing machines : en
  • GB450888A - Improvements in or relating to temperature indicators : en
  • GB451133A - Improvements in or relating to emergency braking means for electric winders : en
  • FR801298A - Charging process for lead-acid accumulators with low local actions : en fr
  • FR801196A - Improvements to wired and wireless radio communications systems : en fr
  • FR801252A - Paper towel and box intended to contain and distribute this paper : en fr
  • FR801320A - Athermane bottle : en fr
  • US2048699A - Closure for bottles and other containers : en
  • US2049344A - Bucket glide : en
  • GB451106A - Suspension of steerable road-wheels on motor-vehicles : en
  • CA359398A - Liquid and aggregate applying apparatus : en fr
  • US2049254A - Pickling chain : en
  • SU47983A1 - Transmission with automatic change gear ratio : en ru
  • US2048962A - Composition of calcium carbide : en
  • US2049297A - Weighing scale : en
  • FR801111A - Improvements to knitting processes and machines : en fr
  • FR801121A - Process for preparing oxalkyl-alkylene diamines : en fr
  • US2048736A - Lubricant pump structure : en
  • US2049348A - Commutating type dynamo-electric machine : en
  • GB451029A - Production of extensible bundles of artificial threads : en
  • GR5949B - TWO-WHEEL CARRIER. : el en
  • FR801303A - Improvements to treatments such as cleaning, degreasing, etc., using solvents : en fr
  • SU47988A1 - Device for transporting pulverized materials in pulverized state : en ru
  • ES142037A1 - Perfections in variable inductances. : en es
  • SU47769A1 - Pocket valve for gas pipeline regenerative furnace with a liquid gate : en ru
  • FR801108A - Improvements to freezer plates : en fr
  • ES141950A2 - A LARGE SECTION PNEUMATIC FRAME FOR VEHICLES. : en es
  • DE633402C - Helmet carrying device on the knapsack : de en
  • US2048842A - Listing : en
  • US2048901A - Building structure : en
  • US2049291A - Method of making copper-titanium alloys : en
  • US2049404A - Signaling system for railroads : en
  • US2048785A - Coloration of materials : en
  • FR801269A - Improvements in the construction of electric capacitors : en fr
  • GB451411A - Improvements relating to lubricants and to lubrication : en
  • GB450968A - Improvements in or relating to fastening inserting machines : en
  • GB451226A - Improvements in or relating to electric circuits embodying an electric motor and an electric lamp : en
  • GB451096A - Improvements in and relating to automatic single spindle turret lathes : en
  • IE14116L - Pneumatic tyre covers : en
  • US2049282A - Weighing scale : en
  • US2049003A - Apparatus for punching index cards : en
  • US2049163A - Threaded joint : en
  • FR801136A - Compensation of electric currents by electronic relay tubes, in particular for antennas in radio reception : en fr
  • GB451120A - Improvements relating to slicing machines : en
  • FR801087A - Liquid Gravity Foam Fire Extinguisher : en fr
  • GB450932A - Improvements relating to dredges : en
  • US2049030A - Adhesive wrapping strip : en
  • US2049267A - Game : en
  • US2049396A - Process of preparing compositions : en
  • ES142058A1 - Gradual and progressive gear change. : en es
  • FR801100A - Device for placing suction cups : en fr
  • FR801271A - Improvements to articles made from copper or copper-based alloys and intended to be subjected to the action of steam or hot water : en fr
  • FR801101A - Improvements to charges or cartridges for the production of gas under pressure and to the compositions and charge elements intended for them : en fr
  • GB451032A - Improvements in or relating to the preparation of graphitecontaining lubricants : en
  • US2049262A - Building construction : en
  • DK51923C - Method of Manufacturing a Soundproofing Floor. : da en
  • ES140918A1 - Arrangement to produce carrier frequency amplifier. : en es
  • FR801088A - Gas connection for automatic firearms : en fr
  • FR801236A - Automatic liquid dispenser device : en fr
  • CH185513A - Device for charging a capacitor. : de en
  • CH185602A - Process for producing an azo compound. : de en
  • FR801219A - Watchmaking firms : en fr
  • GB451081A - Manufacture of arsenic compounds of the napthoquinone series : en
  • DE633554C - Process for the production of artificial stone masses for floor coverings, wall coverings or the like. : de en
  • DK51945C - Method of Making a Crankshaft and Mold for Use in Carrying Out the Method. : da en
  • US2048787A - Yarn packaging device : en
  • US2048876A - Method of preparing printing plates : en
  • CA359518A - Plaster : en fr
  • US2048835A - Fishing reel : en
  • SU47963A1 - Device for mechanical image decomposition : en ru
  • GB451063A - Improvements in or relating to golf club grips : en
  • GB450873A - Improvements in or relating to broaching machines : en
  • GB451026A - Improvements in the process of bleaching organic materials : en
  • GB451140A - Improvements in twist tubes and like twisters for use in machines for operating on fibrous material : en
  • SU47833A1 - Colorimeter : en ru
  • US2048826A - Internal combustion engine : en
  • ES141509A1 - A metallic armor for the construction of vehicle bodies. : en es
  • FR801226A - Flying machine with rotating wings having a conical trajectory : en fr
  • US2049071A - Method and apparatus for treating and filtering clay slip : en
  • US2049209A - Device for the safe landing of air vehicles : en
  • SU47788A1 - Cord blood collection and transfusion vessel : en ru
  • SU47889A1 - Device for strengthening the electric drill on the pillars when drilling holes in them : en ru
  • US2049342A - Puff iron : en
  • SU47884A1 - Ratchet gear : en ru
  • US2049202A - Ring rolling mill : en
  • GB451020A - Device for applying an anti-friction alloy bearing surface to machine parts subjected to friction : en
  • FR801230A - Flying machine : en fr
  • GB451092A - Improvements in or relating to internal combustion engines associated with exhaust gas driven charging blower means : en
  • SU47744A1 - Method of calibrating ohmmeters : en ru
  • FR801291A - New tamping for moving parts of machines : en fr
  • FR801120A - Hot water central heating installation : en fr
  • FR801203A - Method for manufacturing shaped objects and objects obtained by means of said method : en fr
  • US2048851A - Method and apparatus fob : en
  • US2049073A - Cable : en
  • DE633443C - Suspension device for frameless mirrors, double glass plates, etc. : de en
  • FR801200A - Process for extracting glycerin from beet vinasses : en fr
  • CH185487A - Liquid fuel lighter. : en fr
  • SU47665A1 - Fabric washing machine : en ru
  • CH185515A - Primary ray diaphragm on an X-ray machine. : de en
  • GB451058A - Improvements in or connected with advertising or display devices : en
  • FR801134A - Massage device : en fr
  • DE633434C - Device for utilizing the waste heat from condensates in heat exchangers : de en
  • US2049201A - Invertible storage battery : en
  • IE13943L - Window blinds for road vehicles : en
  • SU47714A1 - Insulated rail joint : en ru
  • US2049336A - Strainer : en
  • US2048827A - Blasting charge : en
  • US2048975A - Valve : en
  • DK51934C - Procedure for the Production of Casein. : da en
  • FR801096A - Combined optics for recording or showing trichrome films : en fr
  • GB451168A - Improvements in or relating to fountain pens : en
  • GR5951B - TARAKTRON - FAN FOR WINERY. : el en
  • SU47924A1 - A device for stuffing sawdust parts of soft dolls and other toys : en ru
  • BE416073A - : en
  • CH185553A - Pneumatic tire for vehicles. : en fr
  • US2048918A - Manifold construction : en
  • US2048940A - Combination pick-up and baler : en
  • SU47837A1 - Hydraulic pressure testing device for steam boiler links : en ru
  • US2049179A - Frequency generator system : en
  • US2049298A - Pipe smoker's utensil : en
  • US2048954A - Chart : en
  • IE13835L - Cathode ray tubes : en
  • US2049368A - Welding electrode : en
  • USD100559S - Design fob an ashtray or similar : en
  • CH185517A - Lighting fixture. : de en
  • CH185547A - Two-wheeled carts with interchangeable containers that can be transported. : de en
  • CH185488A - Elastic locknut washer. : en fr
  • ES142056A1 - An automatic fire alarm pump and alarm. : en es
  • FR801064A - Camera-electric : en fr
  • FR801344A - Further development of electric discharge tubes : en fr
  • GB451111A - Improvements in or relating to hydraulically operated machines for surface broaching : en
  • GB450975A - Improvements in or relating to navigation aiding wireless systems for use in connection with aircraft : en
  • GB450973A - Improvements in or relating to cathode-ray tubes : en
  • SU47677A1 - Method for inorganic dehydration : en ru
  • GB450900A - Improvements in the arrangement and mounting of axles for motor vehicles or trailers : en
  • DE633433C - Device for treating liquids with gases : de en
  • GB450901A - Improvements in the treatment of fibres and fibrous materials : en
  • GB451161A - Improvements relating to conveyors for conveying biscuits from baking ovens : en
  • CA359519A - Brick : en fr
  • ES4845U - An article of knitted fabric (Machine-translation by Google Translate, not legally binding) : en es
  • DE633639C - Adding machine : de en
  • US2049173A - Bending rolls machine : en
  • US2048789A - Valve assembly : en
  • AU2315435A - Improvements in or relating to colour television : en
  • GB450928A - Improvements in teeth cleaning appliances : en
  • GB450977A - Improvements in or relating to fluid-tight rotating couplings : en
  • GB451841A - Improvements relating to wireless control systems for dirigible craft : en
  • SU47690A1 - The method of purification of triphenyl tricresyl phosphate and the like plasticizers : en ru
  • GB450893A - Improvements in castors for furniture and the like : en
  • CA359529A - Toy building outfit : en fr
  • US2048805A - Corset fastener : en
  • CA359386A - Tissue sheet dispensing container : en fr
  • CH185399A - Method for inserting the weft, in a single pick, in a needle loom, with continuous weft feed by large fixed spools, and needle loom for implementing this process. : en fr
  • CA359443A - Ferrous alloy : en fr
  • GB450970A - Improvements in or relating to electric fusible cut-outs : en
  • AU2573235A - Improvements in or relating to electric incandescent lamps : en
  • ES4240Y - Unstable semi-rigid tank for liquid fuel for aircraft. : en es
  • CA359392A - Headlight dimmer : en fr
  • US2049041A - Motion picture camera : en
  • DE590836C - Stocking with overlock seam : de en
  • DK51927C - Vending machine. : da en
  • GB450987A - Process for the production of solid magnesium sulphate monohydrate : en
  • GB451202A - A process for clarifying water, such as industrial and town waste water : en
  • GB450904A - Improvements in or relating to holders for carbon electrodes of electric arc lamps : en
  • GB451180A - Improvements in the removal of phenols from waste aqueous liqours : en
  • SU47898A1 - A trap for trapping fiber and fillers from waste paper sacks. : en ru
  • US2049015A - Value printing machine : en
  • US2049055A - Method for preparing improved soaps and products thereof : en
  • ES4156Y - Cap or screw adaptable to all kinds of bottles and other containers : en es
  • FR801081A - Process for improving fibrous materials into regenerated cellulose or cellulose derivatives : en fr
  • GB450964A - Improvements in or relating to film magazines for cinematographic cameras : en
  • GB451132A - Improvements in television apparatus : en
  • GB451229A - Improvements in magnesium base alloys and the production thereof : en
  • FR801250A - Magnifying dual visibility magnetic closure device operating horizontally : en fr
  • DE633476C - Extension of the route from rings or arches arranged at intervals, which consist of profile iron segments : de en
  • GB451045A - Piston-rings : en
  • US2048860A - Distributor : en
  • USD100535S - Support therefor : en
  • GB451262A - Improvements in or relating to waste pipe traps for sinks, drains and the like : en
  • US2048673A - Guest announcer : en
  • GB451129A - Improvements in and relating to combination bureaux and buffets and like articles of furniture : en
  • CA359521A - Headlight focusing device : en fr
  • US2048925A - Tube manufacturing apparatus : en
  • ES141981A1 - A teleindicator device. : en es
  • GB451004A - Improved draw bench grip box : en
  • GB451259A - Improvements in or relating to means for measuring the flow of fluids : en
  • ES142135A1 - A simplified projection apparatus. : en es
  • FR801091A - Automatic or semi-automatic switching device with preselection in cinematic sound recording : en fr
  • US2049039A - Carrying case for electric amplifiers or the like : en
  • US2048710A - Process for building underground structures and apparatus therefor : en
  • SU47797A1 - The device temperature of the seam in reinforced concrete beams, frames and similar structures : en ru
  • US2049347A - Shoe : en
  • CH185607A - Process for the preparation of N1N2-di- (2-methyl-4-aminoquinolyl-6) -N3-diethylmelamine. : de en
  • DE633459C - Pan mill : de en
  • CH185539A - Dispenser for chilled food and beverages, e.g. B. ice cream, in packs. : de en
  • SU47919A1 - Apparatus for mixing fibrous material : en ru
  • US2048747A - Boiler : en
  • AU2353035A - Improvements relating tothe end-shields of dynamo-electric machines : en
  • CH185519A - Showcase ceiling with lighting equipment. : de en
  • CH185564A - Device for conveying and simultaneous impregnation respectively. Mixing liquids, in particular non-alcoholic beverages. : de en
  • GB451208A - Improvements in and relating to claw clippers for birds and dogs : en
  • GB451061A - Improvements in grilling devices : en
  • SU47811A1 - The method of obtaining microporous ebonite or rubber : en ru
  • SU47810A1 - The method of obtaining synthetic rubber : en ru
  • US2049060A - Solvent refining of mineral oil : en
  • US2049373A - Receptacle : en
  • CH185587A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • CH185596A - Grinding device. : de en
  • DE633501C - Independent shelter against projectiles and war gases : de en
  • DE633592C - Suspension device for pipes, cables or the like in the mine : de en
  • CH185431A - Method and device for the treatment of zipper links in electrolytic baths. : de en
  • SU47858A1 - An instrument for measuring the practical working width of a combine and similar machines : en ru
  • US2049349A - Combination filler and separator for shipping cases : en
  • CH185604A - Process for producing an azo compound. : de en
  • CH185494A - Grease distributor device. : en fr
  • USD100594S - Design for a powder and perfume : en
  • GB451845A - Improvements relating to wireless control systems for aeroplanes and like aircraft : en
  • CH185373A - Device for growing plants from seeds. : de en
  • SU47760A1 - The method of obtaining vat dyes d Yes : en ru
  • SU47962A1 - Electron-optical system : en ru
  • ES141982A1 - An ion rectifier valve with discharge vessel made of insulating material and anode arms applied to it. : en es
  • CH185500A - Device for the gasification of light and heavy fuel in combustion engines. : de en
  • CH185392A - Device for making infusions. : en fr
  • CH185452A - Advanced automatic pistol. : en fr
  • AU103475B2 - Frequency reduction by current distribution : en
  • CH185527A - Process for the manufacture of a product containing magnesium. : de en
  • SU47875A1 - Power installation : en ru
  • ES3909Y - Mixed rubber sole and other materials for footwear. : en es
  • SU47979A1 - Fuel injection device in internal combustion engines : en ru
  • SU47734A1 - Electrical insulator for high mechanical loads : en ru
  • CH185444A - Ski binding. : de en
  • CA359445A - Ferrous alloy : en fr
  • US2048891A - Spark plug : en
  • US2049130A - Spark plug : en
  • DE633452C - Electrodynamic device for the production of sound recordings with displaced zero line : de en
  • CH185458A - Detachable articulated connection between the cap and the lower part of an insulating housing for meters, switches and the like. : de en
  • AU2525635A - Improvements relating to vertical retorts forthe carbonisation of coal andthe like : en
  • CA359447A - Paper container : en fr
  • US2048666A - Permanent wave meter : en
  • US2049213A - Anthraselenazole derivatives and process of making them : en
  • DE633342C - Tube-like device for the removal of gases and vapors from the interior of the fuel mass of stills : de en
  • DE633444C - Flat lattice mast : de en
  • DE633450C - Method for supply control on a machine using checkweighing : de en
  • US2048919A - Tie holder and press : en
  • US2048986A - Conversion and coking of hydrocarbon oils : en
  • USD100588S - Design for a toilet accessory : en
  • US2049097A - Toy : en
  • US2048833A - Method of manufacturing dulled artificial products of viscose : en
  • US2048821A - Manufacture of substituted acid amides : en
  • US2049024A - Oscillating joint : en
  • US2049108A - Wire tightening and twisting mechanism : en
  • SU47732A1 - Brake machine for unwinding overhead power transmission lines : en ru
  • SU47948A1 - Pliers : en ru
  • SU47653A1 - Double core drill : en ru
  • US2048970A - Method of and mechanism for automatically severing the terminal threads of a stitched book : en
  • USD100581S - Design for a shoe : en
  • GB451001A - Improvements in electrolytic etching machines : en
  • GB451243A - Improvements in or relating to colour photography : en
  • CA359495A - Upholstering cord or roll : en fr
  • AU2586935A - Improvements in and connected with secondary battery plates : en
  • CA359476A - Decalcomania : en fr
  • US2049050A - Evacuation of condensate : en
  • US2049300A - X-ray device : en
  • US2049324A - Grinding tool : en
  • ES141989A1 - Device for automatically producing locomotives acoustic signals at certain points of their routes. : en es
  • SU47969A1 - Device for adjusting the quality of radio playback : en ru
  • US2048696A - Reversing valve : en
  • US2049339A - Tandem engine arrangement : en
  • US2049380A - Inflatable umbrella : en
  • USD100573S - Design for a washing machine tub : en
  • ES142112A1 - Automatic liquid measuring device. : en es
  • SU47790A1 - Chain conveyor for double-sided heating machine : en ru
  • DE633420C - Process for the production of condensation products : de en
  • GB450880A - Improvements in measuring elastic properties of materials : en
  • GB451219A - Improvements in furnace firebars for solid fuel : en
  • US2049157A - Die and method of making the same : en
  • ES142032A1 - A machine for sewing the joints or splices of the transmission belts. : en es
  • ES142098A1 - Improvements in the construction of cathode ray tube devices. : en es
  • DK51940C - Device for cooling machines for automatic opening of the oil drain valve. : da en
  • CH185415A - Process for the electrolytic separation of inorganic substances from a solution containing monoamino-monocarboxylic acids, monoamino-dicarboxylic acids and inorganic substances. : de en
  • CH185583A - Process for the preparation of an azo dye. : de en
  • CH185495A - Automatic device for stopping elevators and conveyor baskets precisely. : de en
  • CA359471A - Fill-box adapter : en fr
  • ES142062A1 - Improvements in or relating to fountain pens, also called fountain pens, of automatic loading. : en es
  • US2048898A - Chromiferous dyestuffs and process of making same : en
  • DE633445C - Reinforcement framework for reinforced concrete structures, especially vertical reinforced concrete walls : de en
  • ES142019A3 - Procedure for installing a radio broadcasting service on railways. : en es
  • AU2398335A - Improvement relating to oil-pressure controlled ignition circuits of motor vehicles : en
  • CA359417A - Abrading pad : en fr
  • CH185419A - Process for the production of vat dyes of the anthraquinone series. : de en
  • GB451415A - Improvements in or relating to clutch or brake mechanisms : en
  • GB451194A - Improvements in and relating to folding chairs : en
  • US2049111A - Automatic lock for steering devices : en
  • GB451113A - Improvements in or relating to the manufacture of aggregates and decorative surfaces containing the same : en
  • SU47925A1 - Cannon for circus acts : en ru
  • CA359492A - Motion picture apparatus : en fr
  • CH185481A - Method and device for the production of sheets which are to be used in particular for packaging and wrapping. : de en
  • SU47771A1 - Device for cleaning coke ovens : en ru
  • CH185396A - Process for the industrial cleaning of containers and other objects. : en fr
  • GB450979A - Improvements in or relating to the electrodeposition of metals : en
  • SU47649A1 - Bunker for dewatering coal and other materials : en ru
  • SU47952A1 - Control device for hollow blades m wind turbines : en ru
  • US2049200A - Storage battery : en
  • USD100591S - Design for a tire casing : en
  • DE633245C - Process for the preparation of hydrogenation products of naphthalene, in which the original carbon skeleton is not split : de en
  • FR801287A - Badges of all kinds of cardboard or similar materials : en fr
  • US2048780A - Method of applying protective coloring in the printing of documents representing value : en
  • DE633345C - Process for the production of curable condensation products based on urea-formaldehyde : de en
  • IE14036L - Wireless receiving circuits : en
  • FR801076A - Improvements to cement-based plasters or coatings : en fr
  • CA359399A - Mineral separator : en fr
  • CA359474A - Anaesthetic combination : en fr
  • CA359509A - Automobile transportation : en fr
  • DE633621C - Process for the production of storable and spreadable mixed fertilizers : de en
  • GB451127A - Improvements in machines for cleaning and polishing metal sheets : en
  • US2048769A - Cooking apparatus : en
  • ES142027A1 - A new coffee roaster. : en es
  • ES142141A1 - Improvements introduced in the frames of umbrellas, umbrellas, umbrellas and similar devices. : en es
  • CH185480A - Process for the production of hollow bodies. : de en
  • GB451109A - Improvements in preselecting mechanism for gear boxes of self-propelled vehicles : en
  • GB451343A - Improvements in machines for the manufacture of glass bottles : en
  • US2048718A - Filter : en
  • US2049266A - Side bearing : en
  • DE633529C - Shaking device for forms filled with compressible masses, in particular chocolate mass : de en
  • ES141353A1 - Cascade device for obtaining compressed gases of high pressure, as desired, from gases liquidated with a low boiling point, such as oxygen, hydrogen and the like. : en es
  • ES142063A1 - Improvements in the light cannons for infantry of a caliber of 40 to 65 millimeters. : en es
  • ES4195Y - New meshes to defend curves and road straights : en es
  • ES142080A1 - A stone manufacturing process for sharpening tools used in the field, such as scythes, beams and the like. : en es
  • GB451272A - Improvements in the process of producing hard metal alloys : en
  • GB450995A - Gyrating screens : en
  • CA359416A - Power transmission : en fr
  • SU47844A1 - Abacus without NIS : en ru
  • SU47947A1 - A device for automatically stopping a weaving machine when making a border on piece goods : en ru
  • US2048692A - Parking brake for trailers : en
  • US2049361A - Wire or ribbon tightening apparatus : en
  • USD100540S - Design fob a chair : en
  • US2048877A - Cement handling plant : en
  • US2049214A - Carbon compounds of the 1:9-anthra thiophene series : en
  • ES141756A1 - Device for emptying bottles of carbon dioxide. : en es
  • US2048716A - Speed control or governor for revolving doors : en
  • US2049085A - Manifolding attachment for writing machines : en
  • US2049305A - Indicator for military whist : en
  • DE633461C - Direction indicators, especially for bicycles : de en
  • GB451079A - Improvements in rotary liquid electric rectifiers : en
  • FR801151A - Improved lifting device for windrow machines : en fr
  • SU47835A1 - Training device for driving bolt nuts : en ru
  • US2048993A - Gas filter : en
  • SU47902A1 - Method of making fire extinguishing composition : en ru
  • DK51925C - Apparatus for brewing coffee. : da en
  • ES142139A1 - Apparatus for humidification and ventilation of closed premises. : en es
  • US2048828A - Radio and wire broadcasting system : en
  • US2049237A - Shelf operating device : en
  • US2048971A - Apparatus for and method of decorating surface covering materials : en
  • US2048774A - Synthetic resins : en
  • US2048922A - Electrolytic condenser : en
  • US2048974A - Means for preparing thread lease : en
  • SU47928A1 - Clay processing machine : en ru
  • US2048926A - Vehicle : en
  • USD100566S - Design for a scale : en
  • US2049143A - Phase modulation : en
  • ES140925A3 - Hydraulic press for punching tubular billets. : en es
  • ES142029A2 - IMPROVEMENTS OR IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE PATENT OF INVENTION NUMBER 141816. : en es
  • FR801127A - Seal : en fr
  • FR801286A - Air classification device : en fr
  • US2048734A - Method of draw-casting metal tubes : en
  • US2049027A - Debutanization of naphtha : en
  • FR801299A - Product for the intensification of combustions and for the improvement of metallurgical products : en fr
  • SU47758A1 - Method of making electrodes : en ru
  • SU47883A1 - Intermittent motion transmission mechanism : en ru
  • US2048948A - Helical feed device : en
  • USD100590S - Design for a socket support for : en
  • DE633616C - Ship loading system with an island on which the ships to be loaded can anchor : de en
  • FR801141A - Improvements to starting cranks for automobiles : en fr
  • GB450870A - Improvements in and relating to roadway supports, for use in coal mines and the like : en
  • DE633412C - Method for carving out blades from a full-walled ring part of the blade ring carrier : de en
  • SU47648A1 - Centrifugal separator : en ru
  • US2048839A - Tack making machine : en
  • US2049110A - Reactive pencil for the determination of the ph index : en
  • USD100584S - Design for a centrifugal drier : en
  • FR801138A - Device for cutting vegetables, fruits, and the like : en fr
  • FR801153A - Emulsifying device for supplying explosion engines with heavy hydrocarbons : en fr
  • GB451188A - Improvements relating to buckles : en
  • GB451223A - Improvements in and relating to wireless and like receivers, and tuning control apparatus for use therewith : en
  • SU47816A1 - Method of making pressing masses : en ru
  • US2049019A - Process for improving hydrocarbon mixtures : en
  • US2049208A - Magazine for lead pencils : en
  • ES142081A2 - A PERFECTED PROCEDURE FOR PUTTING IRON AND STEEL COVERED FROM OXIDATION AND OTHER HARMFUL EFFECTS. : en es
  • GB451203A - Process for the manufacture of desoxymorphine c and dihydrodesoxymorphine d : en
  • DE633422C - Double heart for crossings and crossings : de en
  • US2049229A - Vulcanization of rubber : en
  • FR801133A - Adjustable air propeller : en fr
  • GB451155A - Improvements relating to reflecting oscillographs : en
  • FR801183A - Expandable machine for learning to swim : en fr
  • GB451121A - Improvements in and relating to printing calculating machines, adding machines, cashregisters or the like : en
  • GB451237A - Improvements in or relating to carrier wave transmitting apparatus : en
  • ES4849U - Horseshoe mixed rubber or elastic material and iron to prevent the slip of the horses by the asphalted floor. (Machine-translation by Google Translate, not legally binding) : en es
  • GB450981A - Process for dyeing cellulosic material : en
  • GB451231A - Improved device for securing carpets, linoleum and other materials to floors, walls and the like : en
  • GB450905A - Swinging buck press : en
  • USD100576S - Design for a carpet sweeper : en
  • USD100610S - Design for a box for crayons : en
  • US2049273A - Impact tool : en
  • US2049311A - Adhesives and method of making the : en
  • GB451190A - An improved method of preparing duplicate copies of originals : en
  • SU47839A1 - Instrument for the quantitative determination of insoluble residue in dyes and other chemical products : en ru
  • US2048894A - Method of manufacturing insulated conductors : en
  • US2048928A - Swivel bumper : en
  • US2049099A - Ultraviolet radiation apparatus : en
  • DE633246C - Circuit arrangement for selective Morse code calling from branch points located on a common line in telecommunication systems, in particular telephone systems : de en
  • DE633446C - Butt joint for twisted concrete reinforcement bars : de en
  • DE633601C - Escalator : de en
  • FR801238A - Method for stripping tobacco leaves and machine for carrying out this method : en fr
  • DE633410C - Screw or bolt with a resilient head : de en
  • US2048936A - Tank filling device : en
  • ES3653Y - Closure for containers by means of a metallic capsule. : en es
  • DK51942C - Overlay receiver. : da en
  • FR801322A - Infant Faux Diaper : en fr
  • DE633556C - Toothbrush : de en
  • DE633487C - Device for casting hollow blocks : de en
  • SU47652A1 - Control device for drilling apparatus : en ru
  • CH185532A - Process for preparing an aromatic compound containing selenium, nitrogen and sulfur. : de en
  • US2048987A - Making aluminum chloride : en
  • US2049042A - Framing mechanism for motion picture machines : en
  • US2049225A - Journal box packing : en
  • US2049302A - Protractor : en
  • CH185406A - Shoes, in particular for sports purposes. : de en
  • CH185523A - Electric flashlight. : de en
  • CH185555A - Gearboxes for bicycles. : de en
  • FR801261A - Automatic device realizing the constant pressure of the tires : en fr
  • AU2308535A - Improvements in aircraft ofthe helicopter type : en
  • DE633423C - Equipment for monitoring track systems : de en
  • FR801300A - Device for agglomeration, under adjustable pressure, of coal fines and other materials : en fr
  • GB451077A - Improvements in hair curling devices : en
  • US2048762A - Oarlock : en
  • DE633407C - Magnifying glass frame with joint : de en
  • DE633583C - Valve body made of elastic material for wash basins, sink basins, bathtubs, etc. like : de en
  • US2049198A - Alkali earth metal aurothioglycollates and process of producing same : en
  • US2048840A - Flexible grille : en
  • US2049109A - Aircraft undercarriage : en
  • US2049399A - Signaling system for railroads : en
  • FR801306A - Azo dyes and their production process : en fr
  • GB450990A - Control of lifting electro magnets : en
  • GB451042A - Wireless reception of television transmissions, which are synchronised by signals differentiated by amplitude : en
  • SU47958A1 - Elastic connection of individual parts of the mine metal support without the use of auxiliary connecting : en ru
  • SU47912A1 - Intestines calibration machine : en ru
  • US2049247A - Method for distillation of odls : en
  • GB451235A - Process for the treatment of textile fabrics and leather : en
  • DE633457C - Double acting paddle slide motor : de en
  • DK51932C - Joining of plate-shaped parts. : da en
  • FR801080A - Rotary compressor comprising a circular rotor supported on each side in a casing with a cylindrical chamber and eccentrically with respect to the axis of said chamber : en fr
  • FR801068A - Improvements in methods and devices for tuning broadcasting apparatus incorporating a shortwave operating range : en fr
  • GB451212A - Electric starting installations for internal combustion engines : en
  • DK51928C - Absorption apparatus, Washbasin, Saturator or similar Apparatus. : da en
  • SU47655A1 - Hydraulic chuck for mineral extraction : en ru
  • US2048899A - Garment hanger : en
  • SU47749A1 - Method for measuring short periods of time : en ru
  • SU47807A1 - Wood raft wedges machine : en ru
  • SU47817A1 - The method of preparation of artificial phenol-formaldehyde resins : en ru
  • FR801055A - Process and installation for the heat treatment under pressure of coal suspensions in oils : en fr
  • ES4329Y - Calendar. : en es
  • ES4328Y - Rubber valve for items that can swell. : en es
  • US2049145A - Control lever with switch : en
  • US2049264A - Sanitary preserving can : en
  • US2048702A - Cutter chain : en
  • GB451179A - Improvements in or relating to oil filters : en
  • US2048758A - Power output tube bias arrangement : en
  • US2048854A - Electrode and method of producing the same : en
  • USD100575S - Design fob a shoe ob similab abticle : en
  • CH185524A - Electric lamp. : de en
  • US2048811A - Buoyant cable : en
  • US2049013A - Treatment of hydrocarbon oils : en
  • US2049245A - Dividing plate and protractor : en
  • AU2353135A - Improvements relating to airconditioning apparatus, particularly for use on railway vehicles : en
  • AU2484735A - Improvements in electrical plug connectors : en
  • DE633391C - Process for obtaining extracts from solid fuels : de en
  • DE633542C - The use of an iron alloy : de en
  • SU47798A1 - Plastering machine : en ru
  • DE617637C - Freewheel step brake with brake drum and rocker-like moving brake bodies : de en
  • CH185388A - Pull-out table. : de en
  • CH185439A - Process for producing a printing ink for amalgam printing. : de en
  • CA359469A - Ice cream paper cup : en fr
  • CH185545A - Process for the packaging of processed cheese. : en fr
  • AU2353235A - Improvements relating to electro thermally actuated electric relays : en
  • CH185387A - Reclining furniture. : de en
  • SU47658A1 - Metal movable mount for love : en ru
  • SU47711A1 - The method of cutting frozen soft soil : en ru
  • SU47774A1 - Device for obtaining refined fiber : en ru
  • SU47938A1 - Shutter for hydraulic structures : en ru
  • SU47980A1 - Device for maintaining constant rotational speed of the internal combustion engine when starting with an inertial starter : en ru
  • USD100542S - Design for an electric iron : en
  • USD100587S - Design for a casement hinge : en
  • US2049113A - Souvenir or message box : en
  • CH185378A - Device for obtaining an overpressure in a central heating system with hot water. : en fr
  • AU2441535A - Automatic feed for rock drills : en
  • CH185416A - Process for the preparation of a chromium-containing azo dye. : de en
  • CA359396A - Garment : en fr
  • SU47747A1 - Device for measuring magnitude and phase shift voltage : en ru
  • SU47857A1 - Machine for collecting ears from the soil surface : en ru
  • CH185512A - Device with voltage relay. : de en
  • AU2468035A - Improvements in or relating to cup or like packing washer assemblies, more especially for pistons and plungers : en
  • CH185581A - Process for the preparation of an aryldiazonium salt. : de en
  • SU47783A1 - Device for determining the size and position of foreign bodies in the body : en ru
  • SU47716A1 - The way to prevent burning railway axle boxes : en ru
  • US2048968A - Sanitary insert for basins : en
  • US2049147A - Coupling system : en
  • FR801222A - Pressurized fluid servomotor and in particular fluid pressure servo-regulator and applications thereof : en fr
  • AU2356035A - Improvements in or relating to television apparatus : en
  • US2048786A - Treatment of textile material : en
  • USD100538S - Design for an air-conditioning unit : en
  • GB451207A - Improvements in or relating to low frequency thermionic amplifiers : en
  • CH185422A - Process for the de-acidification of dairy products, fats, oils etc. not intended for food use by washing. : de en
  • US2049102A - Ophthalmic mounting : en
  • DE633411C - Roller bearing arrangement : de en
  • DE633486C - Gear for needle disc and needle cylinder of circular knitting machines : de en
  • US2049296A - Weighing scale : en
  • US2049100A - Helical bellows and method of making the same : en
  • US2049315A - Well pump operating mechanism : en
  • CA359379A - Chipping tool : en fr
  • GB451475A - Improvements in combined brake, housing and wheel : en
  • GB451060A - Improvements in electric conductors : en
  • CH185592A - Process for the production of a vat dye of the anthraquinone acridone series. : de en
  • AU2428435A - Improvements in or relating tothe production of stiffened fabrics and articles of apparel : en
  • CA359465A - Hydrocarbon oil wax removing method : en fr
  • ES141592A1 - A new procedure to verify ignition in gasoline or similar explosion engines by means of auxiliary compression without the need for spark plugs or electrical appliances. : en es
  • CH185394A - Filters for filter apparatus, especially those in the form of cups. : de en
  • DE633451C - Methods and devices for determining whether a certain volume limit is exceeded in the case of motor vehicle noises : de en
  • SU47786A1 - Artificial feeding device : en ru
  • US2048760A - Leather shrinking device : en
  • US2049210A - Cushion bumper for vehicles : en
  • CH185577A - Process for the preparation of an aryldiazonium salt. : de en
  • CA359498A - Abrasive device : en fr
  • CH185473A - A device having a stop to limit the gripper movements on automatic lathes. : de en
  • AU2360435A - Improvements in systems forthe automatic control of winders and like installations : en
  • US2048740A - Light sensitive apparatus : en
  • USD100568S - Design for a textile fabric : en
  • USRE20042E - Drawing pkess : en
  • US2048991A - Process for bleaching fibrous material : en
  • US2049327A - Means or device for investigating, correcting, and developing the power of human vision : en
  • ES142093A3 - Process for bleaching bast fibers, especially flax, hemp and the like in the form of threads and fabrics, as well as in the form of raw fibers. : en es
  • GB451225A - Improvements in and relating to flexible power transmission devices : en
  • US2048704A - Strainer : en
  • FR801092A - Improvements to dust filters : en fr
  • FR801098A - Improvements in model reproducing machines : en fr
  • DE633546C - Process for the production of artificial wood from vegetable material : de en
  • GB450892A - Improvements in and relating to winding handles : en
  • GB451015A - Improvements in and relating to bottles or like receptacles : en
  • GB451039A - Improvements in or relating to the manufacture of stems for electric incandescent lamps : en
  • SU47723A1 - Method for measuring distances using electromagnetic waves : en ru
  • US2048888A - Cooling device : en
  • US2049141A - Multiple spray shower head : en
  • CH185567A - Process for producing a diazoamino compound. : de en
  • DE632850C - Apparatus and method for the removal of gases and vapors from the interior of the fuel mass of distillation furnaces : de en
  • US2048953A - Front wheel unit for automobiles : en
  • SU47920A1 - Cottonin Carding Machine : en ru
  • GB451112A - Improvements in or relating to coloured plasters : en
  • GB451164A - Method of and apparatus for impregnating wood and other permeable materials : en
  • SU47819A1 - The method of obtaining plastic from waste rubber Ascle-PIAS : en ru
  • CA359510A - Automobile transportation : en fr
  • FR801254A - Level indicator illuminated by transparency, especially for steam boilers : en fr
  • CH185535A - Cash register. : de en
  • CH185537A - Paper feed on a booking machine. : de en
  • US2048847A - Liquid spray device : en
  • US2049244A - Test plug for oil cracking stills : en
  • US2049375A - Automatic steering control : en
  • SU47666A1 - Air dryer for fabric : en ru
  • US2049158A - Valve for steam cookers : en
  • GB451107A - Improvements in or relating to apparatus for the pressure treatment of stockings : en
  • FR801097A - Device automatically reporting fraud in skill sets delivering prizes : en fr
  • FR801188A - Accelerometer : en fr
  • FR801334A - Process for the decomposition of bauxite in continuous mode : en fr
  • GB451022A - Improvements in vibration insulating joints or mountings : en
  • GB451035A - Improvements in decorated glass and the method of manufacturing the same : en
  • GB451149A - Improvements in or relating to magnetron tubes and arrangements incorporating the same : en
  • US2048669A - Condenser for steam clothespresses : en
  • SU47761A1 - Method for producing indanthrene green : en ru
  • SU47802A1 - The method of putting glass in frames : en ru
  • US2049272A - Regenerator with checkerwork for vertical flow of the gaseous media : en
  • DE633615C - Bar door lock : de en
  • AU2581935A - Improvements in exhaust silencers : en
  • BE415861A - : en fr
  • CH185490A - Metallic pipe with welded joint covers and process for obtaining this pipe. : en fr
  • DE633349C - Device for stamping tickets and. like : de en
  • GB451084A - Improvements in and relating to tobacco pipes, cigar or cigarette holders : en
  • US2048773A - Device for parallax adjustment in photographic cameras : en
  • USD100548S - Design for a piano case : en
  • SU47722A1 - Electric rotary switch : en ru
  • SU47956A1 - The method of hydrolysis of wood and other cellulose-containing materials : en ru
  • SU47942A1 - Thrust Jack for Excavator : en ru
  • US2049175A - Method of making applique shoes : en
  • FR801110A - Device for therapeutic use : en fr
  • GB450882A - Improvements in or relating to electrically-heated hot-plates and utensils : en
  • GB451093A - Improvements in liquid seals for relatively rotating bodies : en
  • CH185472A - Method and device for the production of metal fittings, in particular of bolt heads and the like., By upsetting. : de en
  • US2049219A - Bottle attachment : en
  • GB451095A - Improvements in and relating to methods of treating hard metal compositions : en
  • DE633608C - Receipt printer, especially for fuel dispensers : de en
  • GB450996A - Improvements in or relating to trousers or like leg fitting garments : en
  • GB451126A - Improvements in, or relating to, dynamos for use in electric lighting sets for pedal and other cycles : en
  • FR801155A - Piston seal : en fr
  • DE633520C - Device for power transmission on a movable contact pin located between two parallel power supply rails and guided on them : de en
  • GB451189A - Improvements in or relating to conveyor mechanism : en
  • FR801295A - Cable end for catches, goosenecks or the like : en fr
  • GB450991A - Improvements relating to electric water heaters : en
  • US2049025A - Servicing automotive vehicles : en
  • US2049346A - Spring drive for shaking conveyers : en
  • DE633491C - Locking device for the free end of the swiveling backrest support frame on the lower, rear ends of the leg rails of folding chairs : de en
  • ES142031A1 - A procedure to produce the same impression of the image in rötgenfotografías on normal film that, under the same exposure conditions, on double film. : en es
  • FR801132A - Rotating sole for channel annular furnace : en fr
  • SU47821A1 - Method for making artificial box : en ru
  • FR801311A - New dyes of the polymethine series and their preparation process : en fr
  • US2049053A - Wire drawing machine : en
  • DE633419C - Process for the production of copper sulfate : de en
  • DE633604C - Reinforced wooden construction panel made of boards lined up flat or similar wooden parts for the production of walls, floors, doors, formwork and furniture : de en
  • ES142026A2 - Improvements in the manufacture of galvanic elements, and especially in that of dry cells. : en es
  • FR801316A - Improvements to asbestos and rubber-based joints : en fr
  • FR801190A - Combustion adjustment device in a combustion chamber supercharged by a turbofan : en fr
  • FR801313A - Protection device for ionized gas rectifiers : en fr
  • CA359432A - Defeathering compound : en fr
  • CH185435A - Guide device for the paper web on turning bars of web-fed rotary printing machines. : de en
  • SU47939A1 - Concreting method of foundation slabs of massive structures erected on weak soils : en ru
  • FR801168A - Improvements to chain breakers for looms : en fr
  • US2049281A - Weighing device : en
  • DE633507C - Weft catching needle : de en
  • FR801056A - Gear shift mechanism for chain driven vehicles : en fr
  • FR801239A - Improvements to railroad car bogies : en fr
  • DE633424C - Circuit arrangement for telephone systems with several exchanges : de en
  • DE633492C - Medical and dental instruments : de en
  • GB451071A - Method of flame-machining metal and products obtained thereby : en
  • CH185374A - Method and device for destroying animal pests. : de en
  • CH185609A - Self-seller of electricity with an adjustable stepped gear arrangement for changing the unit price. : de en
  • GB451087A - Improvements in chrome tanning : en
  • ES141903A1 - Improvements in small coal burners, for use in heating and industrial boilers. : en es
  • FR801167A - Natural silk matting process : en fr
  • CH185478A - Plywood board. : de en
  • CH185579A - Process for the preparation of an aryldiazonium salt. : de en
  • GB451099A - Improvements in and relating to electric motors : en
  • CH185554A - Vehicle, especially bicycle. : de en
  • CH185606A - Process for producing an azo compound. : de en
  • FR801148A - Improvements in automatic route warning systems : en fr
  • SU47976A1 - Capacitor : en ru
  • ES140966A3 - Device for the manufacture of seamless tubes. : en es
  • FR801319A - Removable and flexible headband for colonial helmet : en fr
  • GB450976A - Improvements in or relating to electric discharge device modulator arrangements for use at very high frequencies : en
  • FR801253A - Double magnetic igniter : en fr
  • ES4334Y - Separation ring for vehicle wheels. : en es
  • ES142105A1 - Improvements introduced in the so-called security locks. : en es
  • GB451172A - Improvements in tools for the flaring of tubes and the like : en
  • GB451055A - Improvements in or relating to machines for game playing : en
  • GB451090A - A process for the continuous extraction of aluminium oxide from bauxite : en
  • SU47941A1 - Pile driver : en ru
  • US2048712A - Electric vibrator : en
  • US2048776A - Means for use in the packing of eggs and like shaped articles : en
  • CH185424A - Fragrance mixture. : de en
  • CH185558A - Contact wire for electric railways. : de en
  • US2048931A - Brake mechanism : en
  • ES141141A1 - Procedure to measure the consumption of electrical energy, eliminating fraud and accusing them. : en es
  • SU47818A1 - The method of photomicrographic control of the degree of polymerization of artificial resins : en ru
  • US2049051A - Method of dewaxing oils : en
  • US2048873A - Plant package : en
  • US2049033A - Seam pressing machine : en
  • CH185516A - Process for the operations of Braunschweig or similar tubes working with electron beams. : de en
  • CH185505A - Electric synchronous motor for several voltages. : de en
  • AU2515735A - Improvements in and relating to shoes andthe lacing thereof : en
  • US2048850A - Wire covering machine : en
  • CA359368A - Ball catching and pitching machine : en fr
  • CH185605A - Process for producing an azo compound. : de en
  • CA359511A - Truck-trailer combination : en fr
  • FR801160A - Device for tracing patterns for the making of all clothes and lingerie items : en fr
  • CA359395A - Vacuum carpet sweeper : en fr
  • CA359384A - Folding display rack : en fr
  • BE416251A - PROCESS FOR TANNING GREEN LEATHERS AND SKINS : en fr
  • CA359402A - Dental gold filling : en fr
  • CA359475A - Braces or suspenders : en fr
  • SU47789A1 - Device for administering drugs into the body cavity : en ru
  • US2049124A - Match and tee package : en
  • CA359473A - Thiazyl derivative : en fr
  • CH185384A - Automatic coal firing. : de en
  • GB451049A - Improvements in or relating to vices : en
  • GB451128A - Improvements in the manufacture and production of straight bundles of tubes and in apparatus therefor : en
  • SU47681A1 - The method of obtaining sulfuric acid andihydride from sulfates : en ru
  • CH185448A - A game device for controlling a vehicle at least on a moving track. : en fr
  • ES141970A1 - An arrangement for separating volatile dust from gases in current, with the aid of one or more specially formed cyclones. : en es
  • SU47752A1 - Turn Counter to Coiler : en ru
  • SU47795A1 - The method of building walls of frame buildings : en ru
  • AU2531335A - Apparatus for tempering glass sheets or plates : en
  • CA359441A - Separable fastener : en fr
  • CH185477A - Preserving stake, dowel or the like. : de en
  • SU47765A1 - Pickering oven modification : en ru
  • SU47970A1 - Rectifier device : en ru
  • CA359463A - Cellulose sheet and film producing apparatus : en fr
  • CH185432A - Process for the metallization of objects by cathodic sputtering of metal electrodes. : de en
  • CH185506A - Fire chamber for electrical switches. : de en
  • US2048759A - Heat recovery method and means : en
  • US2049152A - Base for tubes, lamps and the like : en
  • SU47824A1 - Instrument for measuring the osmotic pressure of liquids : en ru
  • US2049115A - Concrete laying machine : en
  • CA359461A - Internal combustion engine running method : en fr
  • CH185441A - Projection device for normal or wide film. : de en
  • CA359381A - Pencil manufacture : en fr
  • CH185428A - Process for the production of a fertilizer consisting of sewage sludge and peat. : de en
  • AU2413835A - Improvements in means for adjusting trouser and like waistbands : en
  • CA359451A - Washboard rubbing element : en fr
  • US2048783A - Engine starter : en
  • DE633564C - Process for the preparation of derivatives of the anthrapyrimidine series : de en
  • CA359450A - Washboard : en fr
  • US2048983A - Glass feeder : en
  • CH185603A - Process for producing an azo compound. : de en
  • CH185479A - Process for the production of cast molded pieces from masses containing gelatin. : de en
  • SU47971A1 - Device for emitting directional electromagnetic waves : en ru
  • US2048690A - Machine for producing gears : en
  • US2048804A - Primary cell : en
  • FR801297A - Improvements to elastic fluid turbines : en fr
  • USD100546S - Design foe a dry cleaner cabinet : en
  • SU47654A1 - Core drill for gas metering wells : en ru
  • SU47766A1 - Method of making emulsifier : en ru
  • US2048996A - Twister spool or bobbin : en
  • US2048872A - Means for tuning radio receiving apparatus : en
  • FR801283A - Improvements in materials used for establishing cores, foundry cores and their manufacturing process : en fr
  • US2049094A - Method of making ophthalmic lenses : en
  • CH185550A - Control valve built into the brake linkage on mechanically and pneumatically operated brake devices. : de en
  • ES142086A3 - A definitive tamper-proof locking device for electric lamps in their bayonet lamp holders. : en es
  • FR801174A - Fluid stream diverter device : en fr
  • SU47782A1 - Device for determining the degree of mobility of the uterus : en ru
  • SU47843A1 - Device for transmitting tens in counting machines : en ru
  • SU47965A1 - Method for measuring receiver sensitivity : en ru
  • US2048883A - Synchronizing device : en
  • US2049314A - Baseball game : en
  • AU2261335A - An improved brassiere : en
  • FR801259A - Mounting system for the protection of devices and devices in railway safety installations : en fr
  • GB451105A - Rear supporting and driving means for motor-vehicles : en
  • US2049313A - Latchable cover structure : en
  • USD100601S - Design fob a motor-driven brush : en
  • US2049038A - Menstrual phase recorder and indicator : en
  • FR801213A - blush stick case : en fr
  • SU47869A1 - Fuel Pump Regulator : en ru
  • DE633518C - Process for the conversion of alkali chlorides with excess nitric acid with simultaneous production of mixed fertilizers : de en
  • FR801260A - Cartridges for starting internal combustion engines and other uses : en fr
  • FR801310A - Improvements to carrier wave signaling systems : en fr
  • GB451274A - Improvements in or relating to cinematograph cameras : en
  • GB450972A - Improvements relating to means for producing rotary from reciprocating motion and vice versa : en
  • ES4343Y - A position indicator for railway cars : en es
  • GB451217A - Improvements in and relating to internal combustion engines : en
  • DE633479C - Device for setting two-part iron pit punches : de en
  • DE633499C - Saddle for wheeled vehicles : de en
  • DE633537C - Drainage shaft : de en
  • ES141995A1 - Improvements in the hydraulic transmission mechanisms of rotation. : en es
  • DE633575C - Stopper puller : de en
  • GB451094A - Improvements in apparatus for the measurement of self-inductance : en
  • DE633416C - Gong stick : de en
  • DE633535C - Heel for footwear : de en
  • US2049183A - Telephone system : en
  • SU47680A1 - Method for quantitative determination of naphtsultam disulfonic acid : en ru
  • ES141864A1 - A procedure for automatic lubrication of all kinds of leaf springs. : en es
  • US2049249A - Conversion of sodium sesquicarbonate to sodium carbonate decahydrate : en
  • FR801199A - Fumivorous device intended mainly for locomotives : en fr
  • GB450982A - Improvements in and relating to wire coating machines : en
  • US2048775A - Purification of cotton linters : en
  • US2048912A - Enamel spraying apparatus : en
  • US2049320A - Cigarette : en
  • FR801274A - Method for showing objects or scenes concealed by fog : en fr
  • DE633505C - Vehicle toy with spring mechanism drive and automatic steering in the form of an automobile : de en
  • FR801109A - Process for sterilizing liquids containing fermentable materials, in particular waste water from industries treating organic materials : en fr
  • GB451245A - Improvements relating to fuel injection systems for internal combustion engines : en
  • DE633477C - Connection piece for pit fittings : de en
  • BE416255A - Inhaler mask : en fr
  • GB451163A - Improvements in methods and devices for drying raw material for paper making, such as cellulose, wood pulp, or the like : en
  • US2048982A - Pumping means : en
  • FR801135A - Improvements to stopper devices for bottles, flasks, and other similar containers : en fr
  • GB450927A - Improved process of making fused silica and silica glass : en
  • US2049068A - Oil and gas separator : en
  • FR801057A - Further training in shoe making : en fr
  • FR801302A - Ashtray : en fr
  • FR801255A - Process for preparing amino alcohols of quaternary aromatic-aliphatic ammonium bases : en fr
  • FR801262A - Device for receiving a slow clocked signal : en fr
  • GB451197A - Filter paper for filtering apparatus in cup form : en
  • US2048933A - Track type tractor : en
  • FR801095A - Installation for automatic stopping of electric locomotives : en fr
  • GB451340A - Improvements in or relating to methods of treating glyceride fats and oils : en
  • CA359366A - Brush bristling method : en fr
  • GB451251A - Improvements in or relating to centrifugal separator : en
  • FR801063A - Mist wiper : en fr
  • FR801085A - Bearing manufacturing process : en fr
  • GB451118A - Improvements in or relating to the preparation of baked cereal foodstuffs : en
  • GB451169A - Improvements in sawing machines : en
  • FR801330A - Propulsion device for ships or other similar applications : en fr
  • SU47661A1 - Manipulator for servicing heavy rolling mills : en ru
  • US2049138A - Nonextruding asphalt joint : en
  • FR801113A - Closure for tubes or similar containers : en fr
  • GB451200A - Device for the electric heating of rooms : en
  • GB451053A - Polyvalent metal salts and compositions containing same : en
  • FR801079A - Light alloy piston for combustion or internal combustion engines : en fr
  • FR801301A - Apparatus for making broth : en fr
  • GB450896A - Improvements in or relating to metallic closures for bottles and like receptacles and methods of making the same : en
  • FR801315A - Instrument for soaping the beard with automatic water and soap dispenser : en fr
  • ES4300Y - Recreational game. : en es
  • DE633462C - Pneumatic tires with metal insert : de en
  • US2048719A - Art of fiber liberation and in fibrilized products thereof : en
  • US2049180A - Carburetor for internal combustion engines : en
  • US2049269A - Volumetric testing device : en
  • FR801224A - Stackable metal chair : en fr
  • GB451215A - Improvements in electrodes : en
  • GB451236A - Improvements in or relating to the manufacture of rubber bonded abrasive articles : en
  • GB451342A - Process of washing or cleansing textile materials and washing preparations therefor : en
  • GB451498A - A welded joint for railway and like rails, girders and the like : en
  • DE633580C - Sliding door storage : de en
  • DE633498C - Joint, especially for radiator hoods of motor vehicles : de en
  • ES141861A1 - Improvements in the system of windows with blinds. : en es
  • FR801211A - Protection of cathode ray oscillographs against interference : en fr
  • FR801280A - Improvement in the ignition of gas-heated radiators : en fr
  • US2049384A - System for television and sound : en
  • GB450918A - An improved tank or aquarium for the preservation or culture of live fish and aquatic animals : en
  • US2048726A - Transmitting antenna for obtaining reduced high angle radiation : en
  • US2048778A - Amine modified polyhydric alcoholpolybasic acid resins : en
  • SU47729A1 - LPG cooled cable : en ru
  • SU47865A1 - The method of preparation of the preparation of anabasin for the purpose of combating agricultural pests : en ru
  • DE633591C - Gas mask made of flexible building material : de en
  • SU47736A1 - Pin Insulator with Wire Attachment : en ru
  • SU47949A1 - Tool for cutting openings between drilled holes : en ru
  • US2048858A - Valve construction : en
  • ES141998A1 - A stirrup of windows. : en es
  • GB451176A - Improvements relating to direction indicators employed on motor vehicles : en
  • GB451204A - Improved arrangement for generating a saw tooth voltage : en
  • FR801090A - Method and apparatus for testing filaments : en fr
  • CA359401A - Hydrocarbon oil processing : en fr
  • ES4260Y - Boiler for radiator heating. : en es
  • US2048715A - Vehicle signaling system : en
  • US2048973A - Method for treating oil : en
  • FR801217A - Remote control radio device : en fr
  • US2048956A - Filter and liquid and gas separator : en
  • US2049105A - Compression screw spike : en
  • FR801156A - Optical device for headlamps of automobiles and motorcycles, or other similar vehicles : en fr
  • DE633502C - Process for transferring raised or recessed shapes from an original model to etchable materials, such as metals, glass, etc., by etching : de en
  • GB450887A - An improved collapsible or foldable tent : en
  • GB450912A - Improvements in or relating to the manufacture of boots and shoes : en
  • FR801115A - Flap box, swivel and reversible : en fr
  • GB451238A - Improvements in thermionic valve amplifiers : en
  • GB450883A - Improvements in or relating to disc-covered wheels fitted with pneumatic types : en
  • US2049046A - Method of separating asphalt and wax from oil : en
  • USD100560S - Design for a bottle : en
  • SU47702A1 - Turbokotel : en ru
  • CA359435A - Printing mechanism : en fr
  • US2049103A - Change speed : en
  • USD100577S - Design for a bowl or similar article : en
  • DE633409C - Spark plug : de en
  • DE633534C - Wheel for motor vehicles with hollow spokes and a resilient rubber body housed in these : de en
  • DE633613C - Automatic valve : de en
  • DE633517C - Emulsifiers, wetting agents and solvents : de en
  • FR801161A - Progressive action shift mechanism : en fr
  • GB450911A - Improvements in and relating to electric circuit controllers : en
  • SU47945A1 - Device for activating the flushing tank from the seat cover : en ru
  • DE633595C - Process for the preparation of condensation products of cyclopentanones with aldehydes : de en
  • GB451006A - Improvements in or relating to the vulcanisation of rubber : en
  • FR801102A - Chamber or retort furnace for the production of gas and coke : en fr
  • US2049076A - Organ stop : en
  • US2048992A - Method of producing lubricating oils : en
  • GB451005A - Improvements in and relating to snap action mechanism for operating electric switches, valves and other devices : en
  • DE633430C - Support roller arrangement for caterpillar vehicles : de en
  • ES142077A1 - Fuze for aviation lighting pump. : en es
  • ES4237Y - A new trigger gun with elastics : en es
  • FR801289A - Automatic liquid dispenser device : en fr
  • FR801242A - Improvements to pumps : en fr
  • GB450884A - Method and apparatus for tempering rails : en
  • FR801309A - Process for the production of a water gas without tar or hydrocarbons from bituminous fuels : en fr
  • US2048744A - Resilient attaching clip : en
  • US2049142A - Plate straightening machine : en
  • ES4596Y - A rolling shutter of iron or any other material : en es
  • FR801317A - New application of nickel plating to tilting, fixed or articulated shoes of presses and metal clamps : en fr
  • GB450978A - Improvements in or relating to apparatus for concentrating minerals by flotation : en
  • ES138789A3 - A procedure for dry cleaning clothes, clothing and all kinds of similar effects. : en es
  • IE14203L - Wrapping cakes in oil presses. : en
  • US2049131A - Air compressor : en
  • US2048777A - Paint drier : en
  • US2048784A - Process for treating alkali wash liquors : en
  • US2049288A - Combined pressure and temperature control for steam heating systems : en
  • US2048937A - Enameling machine : en
  • FR801233A - Master cylinder, in particular for hydraulic brakes, and brake control device : en fr
  • GB451162A - Improvements in packing materials for use in combination with metal seal caps for bottles and method of producing such packing materials : en
  • ES142102A1 - A process for the production of alkylene imines. : en es
  • GB450872A - Improvements in and relating to cam-operated electric switches : en
  • GB451047A - Method and apparatus for vaporizing sulphur, naphthalene and other solid fumigants : en
  • US2049255A - Foam producer : en
  • ES142034A1 - A coupling system to vary the coupling between two electrical circuits, especially tuned circuits. : en es
  • SU47768A1 - Apparatus for the regeneration of oils : en ru
  • SU47894A1 - Method and device for processing perpetual feathers for automatic pens : en ru
  • DK51948C - Procedure for the prevention of corrosion attacks on metal surfaces in contact with aqueous liquids. : da en
  • FR801197A - Improvements to electronic discharge tubes and their use : en fr
  • GB451146A - Improvements relating to indicating devices primarily for the scales or dials of radio instruments : en
  • AU2428635A - Process forthe treatment of solutions of colloidal and crystalloidal nature, andin particular of sweet juices and residual waters : en
  • US2048771A - Hydraulic transmission : en
  • US2049149A - Switch : en
  • AU2426935A - Process forthe production of valuable hydrocarbons from distillable carbonaceous materials, such as coal, tars, mineral oils orthe products obtained by distillation, cracking or destructive hydrogenation of said materials : en
  • AU2412935A - Improvements in or relating to deposited rubber articles andthe manufacture thereof : en
  • SU47706A1 - Method of circulating in ice-free installations of the Frigator type : en ru
  • SU47908A1 - Ship vane engine : en ru
  • US2048914A - Implement attachment for crawler tractors : en
  • SU47922A1 - Rope straightener : en ru
  • CA359404A - Boiler feed pump apparatus : en fr
  • CH185418A - Process for the preparation of a water-insoluble dye. : de en
  • BE416123A - Improvements to drop links, for boiler loaders : en fr
  • GB451152A - Process for the production of a book-binding material simulating the appearance of leather : en
  • SU47679A1 - Device for feeding solid substances suspended in liquids to autoclaves : en ru
  • SU47704A1 - The machine operating with water vapor in a closed cycle in the overheating region : en ru
  • US2048885A - Nicotinium salts and process for their production : en
  • US2048997A - Signaling device : en
  • US2049186A - Internal combustion engine : en
  • SU47943A1 - Sparkling Water Production Machine : en ru
  • SU47820A1 - The method of obtaining plastic from waste Kok-Sagyz : en ru
  • US2049307A - Bulk meter : en
  • SU47775A1 - Corrugated Rollers of a Molding Machine : en ru
  • US2048897A - Apparatus for filling containers : en
  • US2049394A - Slideway for machine tool elements : en
  • USD100579S - Design for a tumbler or similar : en
  • CA359428A - Steam heating apparatus : en fr
  • US2048797A - Soap : en
  • US2049133A - Vibration damper : en
  • ES142083A1 - A superheterodyne receiver. : en es
  • GB451034A - Process for the manufacture of halogen-methane sulphonic acids and their salts : en
  • CH185544A - Assembly consisting of several containers and their closing device. : en fr
  • US2049241A - Method and apparatus for curling feathers : en
  • GB450933A - Improvements in friction clutches : en
  • GB451068A - Improvements in and relating to metal bending machines : en
  • GB451076A - Improvements in and relating to direct-current ampere-hour meters for use in remote measurement : en
  • US2049197A - Fluid mixing device : en
  • US2049401A - Railway maintenance equipment : en
  • USD100550S - Design for a settee frame or : en
  • US2048895A - Composite commodity wrapper and method of constructing same : en
  • GB451062A - Improvements in processes and apparatus for the periodical or continuous manufacture of fermentation organism, such as yeast, or of other fermentation products : en
  • SU47694A1 - Phenethidine release method : en ru
  • SU47950A1 - Spring, swiveling with respect to the geometric axis of rotation of wind, wheel, : en ru
  • DE633494C - Breakfast box : de en
  • SU47915A1 - Device for training in gun aiming : en ru
  • SU47951A1 - Suction grill for wind and water flow : en ru
  • US2048764A - Paper roll braking device : en
  • ES141997A1 - A method for the continuous casting of metal parts. : en es
  • GB451233A - Improvements in and relating to gas-blast electric switches : en
  • ES3991Y - Orthopedic shoe. : en es
  • DE633418C - Process to increase the gas yield in chamber furnaces : de en
  • FR801124A - Window for protective clothing against heat, flame or gas : en fr
  • FR801235A - Improvements to cash registers, accounting machines or similar machines : en fr
  • GB450926A - Pneumatic press for gluing the soles of shoes : en
  • FR801332A - Pocket letter scales : en fr
  • GB451088A - Improvements in or relating to electro-plating or electro-deposition processes : en
  • CH185436A - Paint spatula holder. : de en
  • SU47882A1 - A mechanism for converting continuous rotation into intermittent : en ru
  • US2049091A - Manufacture of metallic alloys : en
  • CH185434A - Process for the production of color-repellent amalgam areas on image carriers with an amalgamable surface. : de en
  • ES4341Y - A chassis holder for photographic plates : en es
  • SU47914A1 - Training cartridge : en ru
  • US2048960A - Conveyer : en
  • US2049194A - Insecticide distributor : en
  • US2048934A - Hair waving apparatus : en
  • US2049083A - Knives for meat choppers : en
  • DE633447C - Ground anchor with a screw thread surface that widens upwards : de en
  • FR801205A - Prophylactic disgorger for fountains, standpipes, pumps, etc. : en fr
  • DE633594C - Process for the production of d-trans-ªð-aldehydocamphor : de en
  • US2048921A - Brake shoe : en
  • US2049059A - Dewaxing hydrocarbon oils : en
  • SU47737A1 - Underground cable laying machine : en ru
  • AU2354935A - Improvements in or relating to fluorescent screens : en
  • CH185382A - Lock. : en fr
  • FR801275A - Skirt protectors : en fr
  • US2048779A - Molding composition and method of making the same : en
  • DE633572C - Adjustable fluid damping in motorcycle forks : de en
  • GB450943A - Improvements in or relating to valves for controlling the operation of hydraulic machines : en
  • FR801125A - Method and apparatus for the impregnation and coating of textile yarns or for only one of these operations : en fr
  • FR801215A - Product for the regeneration of stale air and its manufacturing process : en fr
  • GB450999A - Improvements relating to counter stiffeners for football boots : en
  • ES136001A1 - Assembly device for pipes used as elements of metal constructions. : en es
  • ES141999A1 - A procedure to make elastic fabric. : en es
  • ES142150A1 - IMPROVEMENTS IN ARC DISCHARGE DEVICES. : en es
  • US2048907A - Outboard bearing bracket for thresher cylinder shafts : en
  • SU47674A1 - The method of manufacture of belt plates : en ru
  • US2049199A - Drying apparatus : en
  • US2048896A - Magneto : en
  • US2049287A - Shockproof electrical device and a shock absorbing and distributing means therefor : en
  • US2049312A - Welding apparatus : en
  • FR801324A - New type of bar for fireplaces or ovens and mode of use of this bar : en fr
  • SU47907A1 - Device for dragging the panels under the sunken ship : en ru
  • US2048819A - Computing apparatus : en
  • CA359425A - Tire tube : en fr
  • CA359440A - Voltage regulating device : en fr
  • CA359453A - Photogravure printing plate : en fr
  • US2048732A - Wind wheel generator : en
  • US2049009A - Motor vehicle construction : en
  • US2049376A - Electrical amplifying circuit : en
  • CA359407A - Washing apparatus : en fr
  • CH185546A - Vehicle with central platform capable of being moved vertically. : en fr
  • US2048981A - Supporting device for wall panels : en
  • US2049329A - Control mechanism : en
  • USRE20046E - Process for treating sewage or : en
  • SU47830A1 - Method and device for dividing dial gauges : en ru
  • SU47974A1 - Radio reception device : en ru
  • USD100539S - Design fob a portable building : en
  • SU47859A1 - Hay rake for harvesting hay, etc. : en ru
  • US2049242A - Body-encircling undergarment : en
  • USD100552S - Design for an instrument board for : en
  • CH185377A - Glass frame made of a metal frame for shop windows, glass doors etc. : de en
  • CH185493A - Energy transfer device. : de en
  • CH185442A - Process for making multicolor photographs. : de en
  • AU2469135A - Improvements in or relating to telephone systems : en
  • CH185491A - Rotary flap. : de en
  • US2048988A - Lamp harp : en
  • US2049044A - Woodworking machine : en
  • US2049372A - Emissive coating for cathodes and method for preparing the same : en
  • SU47675A1 - A method of making peat belt plates for insulating pipes : en ru
  • US2048855A - Faucet : en
  • US2049308A - Control of electric circuits : en
  • SU47862A1 - Horseshoe with interchangeable spikes : en ru
  • DE633504C - Device for spraying paints or other liquids : de en
  • CA359377A - Metal-oxygen compound reduction : en fr
  • DE633553C - Switching device for vehicles with tubular frame : de en
  • US2049279A - Display stand : en
  • GB451046A - Improvements in or relating to brassieres or similar ladies' garments for supporting the bust : en
  • SU47750A1 - The method of feeding electric incandescent lamps with two filament bodies from a single-phase current network : en ru
  • SU47961A1 - Device for feeding a constant pressure chamber in the distributors of single-chamber single-wire air brakes : en ru
  • AU2317335A - Improvements in or relating to electrolytic condensers : en
  • CH185548A - Device for securing the races of ball bearings against axial separation. : de en
  • DE633582C - To a sewer downpipe of a sink, a bathtub and. Like. To be connected ventilation valve : de en
  • FR801251A - Fancy yarn manufacturing process : en fr
  • US2049026A - Hat bag : en
  • US2049207A - Esters from halogenated paraffins : en
  • US2049378A - Case for rouge sticks : en
  • CH185518A - Anti-glare and fog light equipment on automobile headlights. : de en
  • SU47759A1 - Method for preparing dioxivolantrone : en ru
  • GB451008A - Improvements in or relating to luminous signs : en
  • IS180A7 - Application machine : en is
  • US2048688A - Gear : en
  • US2049164A - Electric discharge device : en
  • US2049274A - Printing press for printing wax carbon spots on sheets of paper : en
  • FR801171A - Curling Irons Improvements : en fr
  • GB451261A - Improvements in or relating to apparatus for the treatment of stockings mounted on moving forms : en
  • GB451844A - Improvements relating to automatic pilot systems for aircraft : en
  • USD100605S - Design fob an emergency brake : en
  • SU47960A1 - Bearing with drip lubrication : en ru
  • US2049116A - Combined milk can and bottle opener : en
  • US2049121A - Trap nest : en
  • USD100557S - Design for a holder for shaving : en
  • CH185593A - Process for the production of a vat dye of the anthraquinone acridone series. : de en
  • DE633431C - Double-acting snap-hammer, especially for pile drivers : de en
  • DE633523C - Device for the delivery of gas mixtures for anesthetic purposes : de en
  • US2049325A - Circuit protective device : en
  • USD100582S - Design for a game board : en
  • SU47977A1 - Piston : en ru
  • SU47903A1 - Aircraft Ski Chassis : en ru
  • DK51931C - Pastry Sharing Machine. : da en
  • ES4566U - Aluminum box for switch of recessed electrical installations. (Machine-translation by Google Translate, not legally binding) : en es
  • FR801328A - Method and device for atomizing liquid fuels : en fr
  • FR801279A - Improvements to combustion engines and more particularly to outboard motors : en fr
  • GB451091A - Improvements in or relating to means for sharpening knives : en
  • ES4182Y - A burner for liquid fuels especially for gas-oil : en es
  • FR801083A - Clip for attaching tea towels : en fr
  • DE632846C - bullet : de en
  • FR801296A - Process for obtaining medals and other artistic objects in relief in artificial mother-of-pearl : en fr
  • FR801223A - Improvements made to chain derailleurs for cycles : en fr
  • CH185529A - Process for the preparation of non-agglutinating suspensions of animal tissue cells. : de en
  • SU47741A1 - Method for reducing the likelihood of reverse ignition in rectifiers : en ru
  • USD100608S - Design for a low wing : en
  • CH185437A - Paper trolleys with reversible platen for typewriters, calculating machines and similar machines. : de en
  • CH185385A - Electric hob. : de en
  • DE633252C - Profile drawing device : de en
  • CA359468A - Circuit breaker : en fr
  • AU2356935A - Improved means for use in producing duplicated imprints or impressions of any desired matter : en
  • US2049392A - Air delivery device : en
  • CH185447A - Attachment for skis, skates or similar. : en it
  • FR801130A - Method and apparatus for waving or curling hair : en fr
  • US2049168A - Folding box construction : en
  • SU47885A1 - Contact frame for chrome calibers : en ru
  • SU47886A1 - Additional anode for galvanizing internal surfaces of products : en ru
  • US2049337A - Storage file : en
  • SU47796A1 - The method of assembly of metal masts : en ru
  • US2048806A - Spinning or twisting ring : en
  • GB451100A - The manufacture of disazo dyestuffs : en
  • SU47718A1 - Coupling heads for international air ducts : en ru
  • SU47739A1 - Device for automatic shutdown of outgoing feeders at power plants and substations when one of the generators or feed feeders is turned off : en ru
  • US2049306A - Method and apparatus for testing filament wire : en
  • SU47838A1 - Apparatus for determining the porosity of asphalt-concrete floors : en ru
  • SU47784A1 - X-ray table : en ru
  • US2049400A - Method and machine for metalworking : en
  • SU47719A1 - Semaphore with flashing lighting lamps of constant burning : en ru
  • US2048795A - Last : en
  • DE633588C - Switching arrangement for the grid circles of vapor- or gas-filled discharge vessels, which are operated in converter, in particular full-wave rectifier circuit, and of which at least one grid circuit is acted upon by a phase- or amplitude-changeable control AC voltage or the like : de en
  • FR801256A - Long-lasting photographic and fixative developers for gelatinous halogenated silver emulsions containing known reducing organic substances : en fr
  • GB450898A - Improvements in or relating to motor vehicles : en
  • US2048756A - Vibrator for dental use : en
  • US2048979A - Spring cushion assembly : en
  • US2048963A - Parachute : en
  • CH185566A - Process for producing a diazoamino compound. : de en
  • US2048930A - Attaching machine : en
  • US2049062A - Motor fuel containing olefine polymers and method of making the fuel : en
  • CA359497A - Carbureter heat control : en fr
  • CH185486A - Ornamentation sheet and method for its formation. : en fr
  • US2049162A - Apparatus for testing the viscosity of liquids : en
  • DE633566C - Device for even heating and cooling of glass objects : de en
  • GB451085A - Improvements in locking screw-threaded members : en
  • US2048724A - Shoe lasting device : en
  • CA359481A - Soap dispenser : en fr
  • SU47698A1 - The method of obtaining 2-naphthol-sulfonic acid : en ru
  • USD100564S - Design for a bird house : en
  • US2048752A - Ultra short wave conductor : en
  • US2049095A - Ophthalmic lens : en
  • US2049155A - Beer cooling apparatus : en
  • US2049196A - Device for cleaning tobacco pipes, cigarette-holders, and the like : en
  • US2049322A - Method and apparatus for stabilizing the pressure of the drawing rolls of textile machinery : en
  • CH185454A - Automatic firearm. : de en
  • SU47916A1 - Wadding device for training firing : en ru
  • US2049261A - Electric motor : en
  • US2049118A - Wheel mounting for rail vehicles : en
  • US2049363A - Barrel closure : en
  • US2048800A - Reflecting sign : en
  • DE633510C - Electric motor drive for electric winders with a large control range : de en
  • GB450879A - Improvements in and relating to cleaning brushes for underwater use : en
  • US2048803A - Universal joint for tie rods : en
  • CA359378A - Milk bottle cap : en fr
  • GB451205A - System and apparatus for heating rooms : en
  • ES142078A1 - A procedure with your device to burn all kinds of solid fuels. : en es
  • GB451131A - Improvements in or relating to reflectors for attachment to the rear of cycles : en
  • SU47813A1 - The method of regeneration of rubber : en ru
  • SU47826A1 - Device in an exhaust fan for spraying water into the combustion products removed by it : en ru
  • SU47940A1 - Prefabricated reinforced concrete foundation : en ru
  • SU47967A1 - Reflex radio : en ru
  • CA359418A - Borosilicate glass product : en fr
  • CA359438A - Emulsified food product stabilization : en fr
  • USD100593S - Design fob a cravat holder : en
  • SU47981A1 - Device for damping vibrations of fast-rotating shafts : en ru
  • US2048927A - Foot operated electric switch : en
  • SU47864A1 - The method of preparation of pest control : en ru
  • SU47691A1 - The method of obtaining 8-aminoquinoline : en ru
  • US2048676A - Heating unit : en
  • CA359367A - Massage device : en fr
  • CA359486A - Propeller controlling mechanism : en fr
  • US2048754A - Web processing machine : en
  • US2049369A - Lockstitch sewing machine : en
  • USRE20050E - Automatic splicing device : en
  • ES142097A1 - Improvements in the construction of circuit coils used in the installations of high frequency circuits. : en es
  • ES142145A1 - New procedure to cap and descap automobiles and similar. : en es
  • ES142015A3 - Improvements introduced in pulley gear changes. : en es
  • US2049020A - Ring and traveler for spinning and twisting frames : en
  • US2048913A - Continuous mixer : en
  • US2048978A - Steering mechanism for vehicles, etc. : en
  • US2049061A - Bath curtain guard : en
  • GB451016A - Improvements in fixings for floorboards of motor cars and the like : en
  • CA359501A - Container display means : en fr
  • BE416172A - : en
  • CA359369A - Garment drier : en fr
  • CH185470A - Rotary propellant device for metal extrusion. : en fr
  • CH185589A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • SU47972A1 - Ship navigation device : en ru
  • US2048989A - Measuring instrument : en
  • CA359459A - Mineral oil dewaxing method : en fr
  • US2048675A - Heating unit : en
  • SU47800A1 - Machine for cleaning old brick from mortar : en ru
  • SU47799A1 - Collapsible scaffolding : en ru
  • US2049072A - Lubricants : en
  • SU47832A1 - Adjustment to a photometer for direct reading of the light characteristics of light sources : en ru
  • US2048707A - Alloy : en
  • US2048909A - Shower door construction : en
  • US2048980A - Loose leaf notebook kit : en
  • DE633437C - Switch with arc extinguishing by compressed gas : de en
  • ES141979A1 - A mounting arrangement for the selective reception and amplification of modulated high-frequency vector waves. : en es
  • US2049408A - Leather sole channeling and stitching machine : en
  • SU47667A1 - Rapport mechanism for sitpsepresny cars : en ru
  • SU47805A1 - The method of impregnation of spruce sleepers : en ru
  • US2048823A - Antioxidant : en
  • US2048832A - Fracture reducing splint : en
  • SU47887A1 - The method of etching ferrous or non-ferrous metals : en ru
  • US2049136A - Paired flue and regenerative byproduct coke oven : en
  • BE416030A - : en
  • CA359520A - Tooth powder container : en fr
  • CH185591A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • GB450877A - Improvements in or relating to processes for the production of coloured picture films : en
  • GB450971A - Improvements in and relating to electric discharge devices : en
  • US2048711A - Control system for air conditioning apparatus : en
  • US2048757A - Guide saddle for rock drills : en
  • SU47671A1 - Charcoal kiln direct heating : en ru
  • US2049170A - Coin collector apparatus : en
  • CH185425A - Process for preserving raw animal hides. : de en
  • AU2558935A - Improved sand gun for use in cleaning boiler tubes : en
  • CA359414A - Methanol catalyst : en fr
  • SU47985A1 - Light click here advertising device : en ru
  • SU47986A1 - Double pump for hydraulic press : en ru
  • US2048869A - Razor blade sharpener : en
  • DE633567C - The flagpole holder is adjustable in height and can be attached to a wall : de en
  • AU2351535A - Improvements relating to drop handles for furniture andthe like : en
  • CH185562A - Chair with reclining seat. : de en
  • DE633605C - Sheath-like protection device for saw blades of clamping or ironing saws : de en
  • ES142004A1 - An installation to obtain a voltage that increases linearly with time. : en es
  • DE633543C - Complete circuit breaker : de en
  • US2048935A - Glass cutter : en
  • SU47814A1 - Method of using waste galalita : en ru
  • FR801118A - Improvements to incandescent electric lamps : en fr
  • GB451241A - Improvements in or connected with the construction of wings for aircraft : en
  • ES142076A1 - A connection system to transmit electrical oscillations. : en es
  • CA359394A - Ophthalmic mounting : en fr
  • CA359391A - Wave organ : en fr
  • CA359427A - Light metal casting method : en fr
  • SU47978A1 - Fuel injection device for non-compressor internal combustion engines : en ru
  • CA359390A - Wheel spoke securing device : en fr
  • US2049084A - Harmonic control means : en
  • ES4205Y - Articulated metal plate toy : en es
  • GB450860A - Improved electric device for igniting gas burners : en
  • CA359458A - Stocking protector : en fr
  • CA359504A - Alarm clock : en fr
  • CH185542A - Display device on a switching device for traffic light signals. : de en
  • AU2488735A - Toy building outfit consisting ofa number of units of cardboard orthe like tobe placed together soas to form toy houses : en
  • SU47754A1 - Precision mica capacitor : en ru
  • SU47834A1 - Device for determining the rotational speed of rotating bodies : en ru
  • USD100604S - Design for an emergency brake : en
  • CA359491A - Film claw : en fr
  • US2048892A - Refrigerator : en
  • FR801193A - Improvements in methods and devices for determining the position of a moving body, such as an airplane or a ship, with respect to fixed points : en fr
  • FR801265A - Control device for circuit breakers : en fr
  • CH185411A - Process for the production of adsorbents. : de en
  • CH185559A - Dismountable sailboat. : de en
  • CH185538A - Device for mechanically forming the sum of more than two data received simultaneously. : en fr
  • AU2358335A - A method of, and apparatus for, performing the moulding operation inthe production ofa shoe upper : en
  • CA359484A - Knot tyer : en fr
  • SU47792A1 - Hand winch : en ru
  • USD100599S - Design for an automobile bumper : en
  • CH185551A - Bodywork for a vehicle such as an automobile. : en fr
  • DK51929C - Rent for Propeller Pumps, especially for Heating systems. : da en
  • FR801106A - Improvements made to sulfonated products and their manufacturing process : en fr
  • ES142074A1 - A new system of seats for toilets. : en es
  • CA359528A - Medical pad card : en fr
  • CH185557A - Device for initiating a switching process. : de en
  • FR801340A - Advanced Bogie : en fr
  • GB451184A - Automatic air-controlled water fountain for poultry and the like : en
  • FR801075A - Forwarding or electrical transmission : en fr
  • FR801308A - Improvements to amplifiers : en fr
  • SU47693A1 - The method of obtaining pilocarpine and its homologues : en ru
  • SU47713A1 - Tunnel Tube Designs : en ru
  • US2048698A - Dispensing container for powdered products : en
  • GB451072A - Improvements in and relating to metallized wearing apparel for hygienic or therapeutical purposes : en
  • CH185371A - Front for plow. : en fr
  • DE609996C - Process for the production of nitriles of higher unsaturated fatty acids : de en
  • US2049146A - Air conditioning apparatus : en
  • US2049362A - Dough strip feed device : en
  • USD100567S - Design for a grave canopy : en
  • FR801066A - Improvements to time dividing electrical systems and oscillation generators : en fr
  • FR801157A - Welding machine : en fr
  • FR801268A - Photo-electric weighing device for large loads : en fr
  • GB450886A - Improvements relating to dobbies of looms for weaving : en
  • CA359502A - Container for frozen confection : en fr
  • GB451198A - Improvements in and relating to electrode feeding apparatus : en
  • FR801345A - Rubber and its preparation for industrial use : en fr
  • USD100545S - Design fob a shoe : en
  • FR801077A - Method and device for air conditioning : en fr
  • DK51944C - Electric Discharge Pipe. : da en
  • FR801143A - New method of decorating glass or the like : en fr
  • SU47987A1 - Spring device for cars : en ru
  • GB450899A - Improvements relating to driving arrangements for belt conveyors : en
  • GB451007A - Improvements in thermostatic flue regulators : en
  • CH185475A - Process and machine for the production of the sliders for matchboxes. : de en
  • CA359527A - Ballast treating apparatus : en fr
  • CA359408A - Fishing tackle : en fr
  • DE633550C - Process for bending strip-shaped material into punching knives : de en
  • US2048857A - Half-soling pincers and nailer : en
  • GB451253A - Improvements in intermittently acting absorption refrigerating apparatus : en
  • GB450923A - Improvements in or relating to free-wheel brake hubs : en
  • GB451044A - Improvements in, or relating to, automobile vehicles having independently-sprung road-wheels : en
  • FR801327A - Method for limiting power consumption and improving the power factor in electrical distribution networks : en fr
  • ES141980A1 - A combined tanning process. : en es
  • US2049189A - Carbon compounds of the anthraquinone series : en
  • US2049319A - Selective system : en
  • USD100558S - Design for a tooth bktish : en
  • USD100597S - Design for embroidered oilcloth : en
  • GB451122A - Improvements relating to seats, chairs, and the like : en
  • GB450985A - Improvements in or relating to devices for heating liquids, and heating, and detecting, the rate of flow of gas : en
  • GB451151A - Improvements in or relating to feeding cylindrical objects : en
  • US2049078A - Fluid transmission : en
  • FR801180A - Advanced crane : en fr
  • GB450894A - Improvements in textile fabrics : en
  • SU47660A1 - Device for trapping alcohol vapor or other gaseous products : en ru
  • USD100571S - Design for a key holder : en
  • GB451224A - Hydraulic steering control for vehicles : en
  • FR801169A - Automatic weft change machine thread tensioner : en fr
  • GB451083A - Method of and means for covering cables with sheet metal : en
  • DE633506C - Coupling for driving brick presses with a turntable moving in stages : de en
  • SU47848A1 - The method of studying the movement of gases in air : en ru
  • SU47770A1 - Automatic stop of the round knitting machine MT-1 when the thread breaks : en ru
  • SU47822A1 - Machine for felt or felt : en ru
  • SU47968A1 - Radio : en ru
  • GB451103A - Improvement in the towing of road vehicles : en
  • GB451159A - Improved method of and mechanism for transferring fabric to needles of a knitting machine : en
  • DE633576C - Device for opening and closing cans, in particular condensed milk cans : de en
  • ES141666A2 - IMPROVEMENTS MADE IN THE PURPOSE OF MAIN PATENT NUMBER 141604. : en es
  • SU47668A1 - Vertical coking oven : en ru
  • US2048667A - Barrel : en
  • US2048679A - Lubricating installation : en
  • GB450984A - Improvements in and relating to joints for securing tubes to plates or to tubes : en
  • ES141994A1 - An electrostatic deflection system for cathode oscillographs. : en es
  • SU47763A1 - The method of manufacture of the composition for wiping dies from win : en ru
  • SU47929A1 - Apparatus for making hollow anchor blocks : en ru
  • US2049390A - Electrical power system : en
  • DE633435C - A steam turbine system consisting of a bleed and upstream turbine : de en
  • DE633478C - Resilient pit stamp : de en
  • FR801339A - Improved bogie suspension for vehicles traveling on railways and bogie intended for this suspension : en fr
  • ES4326Y - Visible file book. : en es
  • FR801229A - Advanced bodywork for motor vehicles and others : en fr
  • US2049127A - Claw coupling : en
  • DE633406C - Front lens to achieve a soft focus in the picture : de en
  • US2049385A - Yarn guide for braiding carriers : en
  • CH185445A - Device for lubricating skis. : en fr
  • DE633540C - Process for the production of flat steel splitting pieces for table knife blades with goiter and tang from one piece to be forged and rolled together with the back in pairs : de en
  • CA359403A - Fibrous conduit impregnating apparatus : en fr
  • CA359505A - Truck-trailer combination : en fr
  • FR801061A - Mercury column thermostat : en fr
  • FR801304A - Apparatus for the formation of formic aldehydes : en fr
  • GB451014A - Packing for fractionating columns and the like : en
  • AU2587335A - Method for eliminating offsetting in printing and related arts : en
  • CA359466A - Roughing machine : en fr
  • GB450881A - Improvements in and relating to the manufacture of shoes : en
  • GB451181A - Improvements in or relating to apparatus for grading articles by size : en
  • FR801243A - Improvements to pumps : en fr
  • GB451137A - Improvements in or relating to piping for the conveyance of gases or powdered materiaals : en
  • US2049098A - Trailer vehicle : en
  • US2049166A - Traveling valve : en
  • CA359522A - Folding chair : en fr
  • ES142033A1 - Improvements in the construction of gates for the closure of wetlands and reservoirs. : en es
  • US2049167A - Space discharge device : en
  • US2049292A - Duplex feeding mechanism for sewing machines : en
  • DE633467C - Sealing device : de en
  • DE633427C - Process for rendering naphthalene harmless in distillation gases : de en
  • DE633458C - Fluid change gearbox : de en
  • CA359478A - Pen and pen point : en fr
  • ES141454A1 - A kneading machine for the baking industry. : en es
  • US2049353A - Window platform : en
  • US2049250A - Process of treating metal and apparatus therefor : en
  • GB450910A - Plate shaving machine : en
  • GB451160A - Improvements in or relating to electrical conversion systems : en
  • ES141988A1 - Regulating process of internal combustion engines. : en es
  • ES141991A2 - INTEGRAL FLIGHT. : en es
  • GB451027A - Improvements in slitting means : en
  • DE633614C - Self-acting device for holding the drawbar of trailers for motor vehicles in the height required for coupling : de en
  • FR801194A - Air bomb and device for its launch : en fr
  • FR801232A - Further training in refrigeration installations : en fr
  • US2049008A - Apparatus for handling drill pipe during rotary drilling : en
  • ES141985A1 - IMPROVEMENTS IN AND RELATING TO THE MANUFACTURE OF ARTIFICIAL STONE. : en es
  • FR801158A - Toy watering can cookie jar : en fr
  • CH185565A - Process for the preparation of 2-methyl-3-oxy-6.8-dichloroquinoline-4-carboxylic acid. : de en
  • US2048792A - Wiping tool : en
  • US2049178A - Educational toy : en
  • USD100602S - Design for a combined electrical : en
  • US2049174A - Telephone coin collector : en
  • US2049177A - Frequency generating system : en
  • US2049246A - Gauze : en
  • DE633456C - Rotary piston internal combustion engine : de en
  • DE633563C - Process for the preparation of halogen-containing cow dyes : de en
  • CH185569A - Process for producing a diazoamino compound. : de en
  • CH185390A - Process for the production of a frame which can be used to construct a piece of furniture, a door, a window, etc. : de en
  • GB450919A - Improvements in supports for sunshades and umbrellas : en
  • ES141996A1 - An electric discharge valve. : en es
  • CA359372A - Brush manufacture : en fr
  • FR801343A - Method and device for closing and compressing the edges of the soles of shoes : en fr
  • GB451273A - Improvements in connection with variable speed hydraulic power transmission : en
  • US2049239A - System for dispensing and metering volatile liquids : en
  • ES142052A2 - A new device for air navigation. : en es
  • FR801195A - Electric motor with internal fan : en fr
  • FR801247A - automatic stapling pin with articulated hook, for sheet metal : en fr
  • GB451041A - An indicator for locating punctures in pneumatic or gas tubes : en
  • GB451070A - Improvements in overhead sliding doors : en
  • GB451186A - Improvements in or relating to advertising devices : en
  • DE633440C - Arrangement for the selective detection of the body contact of the induced winding of direct current collector machines : de en
  • ES4459U - One-piece rubber shoes for children. (Machine-translation by Google Translate, not legally binding) : en es
  • SU47717A1 - Automatic coupling for railway rolling stock : en ru
  • GB451148A - Improvements in or relating to aluminium base alloys : en
  • US2048731A - Method of developing oil fields : en
  • US2048874A - Feed regulating device for sewing machines : en
  • FR801293A - Improvements to rubber products, and method of manufacturing such products : en fr
  • CH185483A - Grinding wheel. : de en
  • GB451349A - Improvements in fuel feeding devices for internal combustion engines : en
  • CA359500A - Merchandise container : en fr
  • DE633497C - Overflow valve for liquid shock absorber : de en
  • ES142016A1 - A procedure for obtaining colored lacquers. : en es
  • ES142072A1 - Improvements in electron discharge devices and circuit installations for them. : en es
  • FR801292A - Hair activity products : en fr
  • GB451010A - Improvements in method of and apparatus for determining or graphically plotting the section of a road or roadway : en
  • ES141978A1 - A dosing device for crushed or grain solids. : en es
  • FR801072A - Large area electrode manufacturing process : en fr
  • GB450963A - Manufacture of wool-like extensible slivers of artificial thread : en
  • FR801336A - Elastic support : en fr
  • GB451240A - Improved method of dyeing union goods containing cellulose ethers or esters : en
  • DE633512C - Teaching for measuring weld seams : de en
  • ES4851U - New gas tube (Machine-translation by Google Translate, not legally binding) : en es
  • GB450914A - Improvements in skein covers and processes employing the same : en
  • FR801112A - Dismountable toy plane : en fr
  • GB451141A - Improvements in electric thermostats : en
  • CH185573A - Method for the preparation of an aminochrysen. : de en
  • CH185413A - Method of concentration of nitric acid. : de en
  • FR801164A - Starter : en fr
  • US2049082A - Cuff-link : en
  • ES4847U - Improved cork stopper for bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR801281A - Method and device for the semi-automatic maneuvering of motor vehicle gearboxes : en fr
  • GB451119A - Improvements in or relating to joints and couplings for pipes and tubes for the conveyance of corrosive media : en
  • DE628950C - Pressing device for dough and similar masses : de en
  • GB451158A - Improvements in or relating to transmission gearing for vehicles : en
  • USD100598S - Design fob embroidered oilcloth : en
  • CA359512A - Vehicle spring assembly : en fr
  • SU47955A1 - Unit for displacing norit with sugar solution : en ru
  • GB451033A - Improvements in or relating to hydraulically operated machines for surface broaching : en
  • FR801179A - Advanced device for controlling variable capacitors in radio-electric receiving stations : en fr
  • GB451139A - Improvements in or relating to packing cases : en
  • FR801181A - Control gear for railcars powered by combustion or internal combustion engines : en fr
  • FR801178A - Improvements in the distribution of liquids or gases : en fr
  • CA359524A - Label and stamp affixing device : en fr
  • SU47921A1 - Adaptation for carding machines for pneumatic drum stripping : en ru
  • SU47931A1 - Method of preparing mortar for plaster : en ru
  • DE633587C - Axle counting device with a register drum switched on by axis pulses : de en
  • GB450994A - Improvements in and relating to clamps or cappings for winding ropes for miners' cages : en
  • SU47933A1 - Control lock : en ru
  • FR801227A - Electromagnet device particularly suitable for electric motors : en fr
  • GB451017A - Improvements in scent and like sprays : en
  • GB451157A - Improvements in and relating to electrically operated turning lathes : en
  • GB450907A - An improved drying or airing rack : en
  • GB451499A - Improvements in metal railway chairs and sleepers : en
  • DE633508C - System for cooling salt solutions through gradual self-evaporation in a vacuum : de en
  • US2049188A - Aeroplane : en
  • CH185598A - Device for controlling commutatorless multi-phase reversing motors. : de en
  • GB451653A - Improvements in or relating to closed containers of galvanic cells, particularly storage batteries : en
  • US2048717A - Collapsible revolving door : en
  • US2048680A - Thermocouple shield : en
  • US2048714A - Paste holder and dispenser : en
  • US2049006A - Airplane having variable lifting surfaces : en
  • SU47776A1 - Blood test method : en ru
  • US2049114A - Table : en
  • ES3910Y - Mixed heel of rubber and other material for footwear. : en es
  • US2049283A - Photoelectric device : en
  • CA359426A - Golf ball : en fr
  • ES142006A1 - A deformable skate for electromagnetic brake on rail. : en es
  • GB451279A - Improvements in or relating to steam generating and superheating installations : en
  • FR801282A - Improvements to distributors for pressurized fluid systems : en fr
  • GB451278A - Improved manufacture of condensation products : en
  • GB451153A - Improvements in and relating to kaleidoscopes : en
  • US2048880A - Muffler or scarf : en
  • US2049171A - Coal cutting apparatus : en
  • US2048766A - Adjustable butt switch for web pasting devices : en
  • US2049040A - Roller bearing cage : en
  • US2049360A - Wind speed indicator : en
  • USD100589S - Design for a child s swing : en
  • DE633509C - Contact wire clamp : de en
  • US2048965A - Type form : en
  • DE633472C - Control device for conveyor systems with several receiving points : de en
  • DE633489C - Device for brushing and rubbing fluids or ointments onto the scalp : de en
  • FR801201A - Clothing and underwear enhancements : en fr
  • GB451195A - Improvements relating to electric cables and electric cable systems : en
  • GB451230A - An electrical signalling, indicating and telephoning system and apparatus therefor : en
  • DE633426C - Laterally protruding and attached to the edge of the base contact piece for electron tubes : de en
  • DE633530C - Electric light meter on photographic cameras : de en
  • CA359526A - Garden tool : en fr
  • CH185453A - Extractor for firearms. : en fr
  • IE14513L - An improved proces for the treatment of fibre and¹apparatus therefor : en
  • SU47930A1 - The method of preparation of colored plaster : en ru
  • SU47778A1 - Obstetric Measurement Instrument : en ru
  • US2048697A - Tractor : en
  • GB451277A - Improved means for carbonating water and beverages : en
  • US2048678A - Amalgamator : en
  • FR801218A - Forcing Belt Artillery Projectile : en fr
  • FR801162A - Screw tap : en fr
  • GB451147A - Improvements in calendars : en
  • US2049263A - Structural element : en
  • FR801346A - Improvements to pressurized fluid brake systems : en fr
  • GB451199A - Improvements relating to impermeable coverings for walls, floors, roads or like surfaces : en
  • US2049284A - Football game : en
  • US2048813A - Road-repairing machine : en
  • US2048916A - Roller skate : en
  • US2049309A - Fuse carrier : en
  • SU47767A1 - Fatty acid extraction method : en ru
  • CA359485A - Payment coupon book : en fr
  • SU47742A1 - String galvanometer : en ru
  • SU47781A1 - Method and device for determining gastric acidity : en ru
  • US2048738A - Detector circuit : en
  • CA359467A - Camera : en fr
  • CH185466A - Alloy, in particular for pistons of internal combustion engines, and processes for their production. : de en
  • SU47906A1 - Ship lifting device : en ru
  • DE633465C - Process for the manufacture of hard shaped silica gel products suitable for gas adsorption purposes : de en
  • US2048750A - Grater : en
  • SU47695A1 - Method for isolating 4-nitro-2-aminotoluene : en ru
  • SU47984A1 - Transfer between coaxial shafts with automatic gear ratio change : en ru
  • US2049120A - Integrating indicating instrument : en
  • CH185570A - Process for the preparation of an aminochrysenic sulfonic acid. : de en
  • CA359503A - Electrical clock indicator : en fr
  • US2048994A - Spool or bobbin : en
  • SU47663A1 - Tool for straightening nails : en ru
  • US2048969A - Coilable metal tape : en
  • US2049275A - Shockproof X-ray unit : en
  • CA359424A - Adhesive sheet material : en fr
  • US2048959A - Power plant mounting for vehicles : en
  • US2049087A - Treatment of cellulose derivatives : en
  • AU2379735A - Improved method of treating oysters to conserve their original flavour when subjected to refrigeration : en
  • CH185484A - Set consisting of a screwdriver and a screw that can be held together. : en fr
  • CA359452A - Crusher : en fr
  • DE633620C - Process for the production of red lead : de en
  • GB451257A - Improvements relating to the packing or wrapping of cheese : en
  • SU47692A1 - Method for producing alkaloids p and pilocarpine : en ru
  • US2049271A - Shockproof X-ray tilt table : en
  • DE633408C - Control device for automatic valves of coin gas meters : de en
  • CH185463A - Device for assembling parts of watches, instruments, machines, etc. : en fr
  • CH185560A - Automatic control device for aircraft. : de en
  • US2048728A - Process for making a clear fish glue or fish gelatin solution : en
  • CA359430A - Anti-oxidant : en fr
  • US2048670A - Powder dispenser : en
  • US2049252A - Flexible valve stem : en
  • SU47880A1 - Pipe plug : en ru
  • US2049217A - Processes of impregnating cellulosic fabrics : en
  • USD100565S - Design for a bathtub : en
  • SU47927A1 - Slaking machine : en ru
  • CH185403A - Process for increasing the wetting and permeability of alkaline textile treatment liquors. : de en
  • CH185509A - Starting procedure for single and multi-phase AC motors. : de en
  • CH185508A - Foot switch for small motors. : de en
  • CH185552A - Device for lifting and exchanging wheels, for vehicles assigned to a mixed road and rail service, road and countryside, etc. : en fr
  • CH185462A - Multiple dial clock. : en fr
  • US2049022A - Sheet counting and packaging machine : en
  • US2049350A - Electrical switchgear : en
  • AU2358735A - Improvements in and relating togas stoves : en
  • CH185459A - Calculating machine controlled by counting cards. : de en
  • GB451248A - Improvements in and relating to shearing machines : en
  • SU47815A1 - The method of manufacture of plastics : en ru
  • US2049134A - Method of making bilirubin : en
  • US2049221A - Folding table legs : en
  • US2049318A - Electric circuit interrupter : en
  • SU47901A1 - Flat controller : en ru
  • US2049321A - Protection device : en
  • CH185379A - Tile heated by means of electrical resistance heating. : de en
  • CA359477A - Electric arc converter : en fr
  • US2048955A - Crib appliance for vehicles : en
  • US2048763A - Self-lubricating universal bearing : en
  • DK51930C - Suction hood for Chimneys or Ventilation systems. : da en
  • ES4330Y - Self-closing shutter for bottles and similar jars. : en es
  • FR801350A - Bicycle saddle : en fr
  • GB451260A - An improved method of subduing the lustre of silk and artificial silk and articles made from the same : en
  • CA359397A - Liquid cooling apparatus : en fr
  • CH185393A - Dish drainer. : de en
  • CH185531A - Process for the preparation of 7-methyl-9- (d-ribityl) -iso-alloxazine. : de en
  • CH185489A - Method for mounting the needles or rollers of a needle or roller bearing and device for implementing this method. : en fr
  • DK51941C - Cathode ray tube with coordinate deflection of cathode rays. : da en
  • CH185429A - Process for the electrolytic deposition of shiny tin deposits. : de en
  • US2049260A - Pyrometer : en
  • DE633531C - Back cover lock on roll film cameras : de en
  • DK51949C - Procedure for Format Cutting of Paper and Similar Products. : da en
  • SU47809A1 - Method and separator for continuous extraction of rubber or gutta-percha from rubber : en ru
  • USD100574S - Holder therefor : en
  • DK51936C - Gasket for sealing between shafts and bearing housings. : da en
  • CH185496A - Device for controlling elevators powered by alternating current. : de en
  • CH185450A - Shooting range. : de en
  • DE633622C - Peeling machine for potatoes, fruits, etc. Like. With longitudinally screwable fruit holder spindle and pivotable peeling knife under spring action : de en
  • DK51947C - Procedure for the treatment of chlorates, perchlorates or chlorate- or perchlorate-containing materials so that the risk of fire is reduced. : da en
  • US2049238A - Transmitter tube : en
  • US2049234A - Transmission mechanism : en
  • US2049410A - Cord-controller for electric flatirons : en
  • SU47982A1 - Transmission for multi-axle vehicles : en ru
  • US2048924A - Control : en
  • US2048947A - Machine for cutting transverse grooves in pneumatic and resilient tires : en
  • USD100585S - Design fob a shoe ob similab : en
  • FR801129A - Bakery oven : en fr
  • GB451073A - Improvements in and relating to centres in lathes and the like : en
  • GB451166A - Improvements in pistons for internal combustion engines : en
  • US2049028A - Ornamental narrow fabric : en
  • AU2453935A - Improvements in and relating tothe manufacture of dentures : en
  • CA359455A - Transmission gear : en fr
  • DE633589C - Cage-less needle bearing : de en
  • CA359433A - Rubber article curing method : en fr
  • SU47686A1 - The method of obtaining and purification of cadmium salts : en ru
  • SU47746A1 - Method for determining the value of individual harmonics of an AC curve : en ru
  • US2048848A - Electric switch mechanism : en
  • US2049289A - Safety joint : en
  • USRE20044E - Electric circuit-breaker with : en
  • SU47910A1 - Ship Mover : en ru
  • US2049334A - Spool : en
  • US2049366A - Oil seal : en
  • US2049001A - Circuit controller : en
  • US2048890A - Ignition system : en
  • US2049256A - Cutter : en
  • GB451218A - Improvements in or relating to ventilators : en
  • US2049092A - Rotary piston engine especially for fluid gears : en
  • US2049054A - Cleaning device : en
  • US2049216A - Compounds suitable for dyeing and printing : en
  • US2048720A - Sea water thermometer : en
  • BE416211A - Herbicide enhancements : en fr
  • US2049128A - Piepan holder : en
  • FR801053A - Improvements in cameras, and the like : en fr
  • SU47854A1 - A device for recording the output of the number of meters of glass in the Fourco car and controlling its speed : en ru
  • SU47923A1 - Device for uniform tensioning of yarn on rewinders : en ru
  • US2048903A - Holding handle for relooping tools : en
  • US2048735A - Push and pull bar for doors : en
  • US2048852A - Clean-out device : en
  • US2048910A - Automobile heater : en
  • US2049295A - Detachable endgate : en
  • US2049367A - Reflecting sign or signal : en
  • US2049218A - Bicycle stand : en
  • US2049223A - Apparatus for the objective determination of the refraction of the eye : en
  • FR801170A - Process of cinematographic or other projections in full light : en fr
  • GB450891A - Improvements in the production of esters : en
  • CH185405A - Device to protect the head against rain, especially for cyclists, tourists, etc. : de en
  • GB451182A - Improvements in the manufacture of india-rubber or combined textile and rubber materials : en
  • DE633562C - Pull drive for electrical rotary switch, which is attached to the removable cover of the switch of any shape : de en
  • CA359429A - Quaternary ammonium compound : en fr
  • USD100580S - Design fob a pendant : en
  • US2049379A - Lid or end of containers made of cardboard or like material : en
  • USD100551S - Design for a pipe cleaning ashtray : en
  • GB450966A - Improvements in and relating to automatic gramophones and the like : en
  • USD100578S - Design for a plate or similar article : en
  • FR801139A - Improvements to explosive devices for mines and other applications : en fr
  • FR801278A - Advanced machine for measuring fabrics and similar articles : en fr
  • FR801349A - Personal protective belt : en fr
  • SU47850A1 - Device for registering crews and cargoes passing on dirt roads : en ru
  • US2048995A - Spool or bobbin for yarn end fastening : en
  • CA359383A - Power unit for vehicles : en fr
  • DE633370C - Valve stem for pneumatic tires : de en
  • FR801086A - Knife or similar object whose handle allows the blade to be interchangeable : en fr
  • GB451125A - Improvements in and relating to engine starting or turning gear : en
  • ES142157A1 - A process for separating salts, especially potassium. : en es
  • US2049056A - Hand control wringer : en
  • DE633515C - Process for the production of moldings hardened by means of fluates for street paving : de en
  • DE633636C - Power brake circuit for three-phase motors, especially for hoists : de en
  • DK51938C - Door closer. : da en
  • FR801142A - Periscope for armored vehicles such as automobiles, auto-tracks, railway equipment or others : en fr
  • SU47860A1 - Device for removing moisture from turpentine : en ru
  • US2048677A - Method and apparatus for blasting : en
  • US2048693A - Method of producing box or carton blanks bearing printed matter and resulting product : en
  • USD100536S - Design fob a textile fabric ob : en
  • GB450869A - Improvements relating to valves for delivering beer and other liquids : en
  • GB450909A - Improvements in or relating to methods of and apparatus for producing paraffin coated paper : en
  • CA359532A - Gas burner control : en fr
  • GB450902A - Means for transportation and emptying of moulds such as are used in the manufacturing of artificial building stones : en
  • ES141168A1 - AUTOMATIC SIGNALS SYSTEM FOR RAILROAD VEHICLES. : en es
  • FR801117A - Boiler descaling product : en fr
  • ES142059A1 - Multipolar relay to spring energy accumulator. : en es
  • SU47762A1 - The method of obtaining green sulfur dye : en ru
  • CH185465A - Chronograph. : en fr
  • US2048915A - Projector for surface projectiles : en
  • BE416215A - : en fr
  • DK51922C - Procedure for attenuating the sound produced by tin objects. : da en
  • GB451082A - Improved treatment of cellulose fibres and the like : en
  • DE633590C - Piston with sealing sleeve for hydraulic devices of all kinds : de en
  • GB451009A - Improved printing surfaces : en
  • GB451030A - Improvements in photographic developers : en
  • ES142008A3 - Bicycle-scooter. : en es
  • US2048943A - Check valve : en
  • US2049370A - Electrical insulation material : en
  • DE633432C - Cutting machine for paper, cardboard, etc. like : de en
  • ES142232A1 - An electrical device to produce the ignition of all kinds by means of an electrode. : en es
  • ES142011A1 - Procedure for the manufacture of discharge tubes. : en es
  • GB451220A - Improvements in means for playing games of skill : en
  • SU47803A1 - Machine for cutting paws on the mining fastening forest : en ru
  • US2048791A - Tomato-juice extractor : en
  • US2049393A - Rocker side bearing : en
  • CA359457A - Trailer braking apparatus : en fr
  • FR801074A - Antimicrobial protective device for telephone devices or other similar applications : en fr
  • FR801225A - Flying machine with rotating wings having a circular path : en fr
  • GB451075A - Improved closure for cans or other containers of colour, lacquer or the like : en
  • SU47689A1 - The method of obtaining 2,4 dichlorobenzoic acid : en ru
  • US2049023A - Cloth finishing machine : en
  • USD100562S - Design fob a playground climbing : en
  • SU47878A1 - A method of manufacturing drive belts of textile materials : en ru
  • US2048685A - Process of making cellulose esters and the products resulting therefrom : en
  • US2049176A - All angle rotary miterer : en
  • DE633463C - Pot-like container for transporting plants : de en
  • DE633414C - Mass hammer machine : de en
  • GB451048A - Improvements in radiants for fires : en
  • CH185372A - Method for combating plant pests. : en fr
  • SU47926A1 - Tobacco leaf stringing machine : en ru
  • US2048908A - Telephone signaling system : en
  • SU47730A1 - Impregnation method for electrical insulation applied to conductors : en ru
  • US2048831A - Blasting explosive cartridge : en
  • US2048900A - Modulation : en
  • US2049018A - Cracking and apparatus : en
  • US2049205A - Composite cylinder head : en
  • US2049240A - Machine for making and inserting metallic fasteners : en
  • GB451165A - Improvements in coin freed mechanism more especially designed for use with electricity meters : en
  • US2049075A - Punch : en
  • ES142060A1 - A machine with its accessories for the formation of tubular bodies. : en es
  • ES142092A3 - Process for bleaching bast fibers, particularly flax, hemp and the like. : en es
  • US2049286A - Azo dyes and methods for their preparation : en
  • US2049049A - Tool : en
  • US2049016A - Treatment of hydrocarbon oils : en
  • US2048911A - Air filtering device : en
  • USRE20049E - Art of continuous galvanizing : en
  • GB451138A - Improvements in or relating to metal stewpans, saucepans and like cooking pans : en
  • CA359382A - Light effect producing apparatus : en fr
  • CH185471A - Device for the production of pipes with longitudinal seam. : de en
  • DE633454C - Centering bearings for material testing machines : de en
  • FR801241A - Improvements to pumps : en fr
  • GB451201A - Improvements in or relating to antenna structures : en
  • SU47888A1 - Method and device for cutting multiple screws on a lathe : en ru
  • US2048768A - Aroyl chloride of the benzene series : en
  • US2049290A - Drilling safety joint : en
  • SU47806A1 - A device for cutting veneer from a shelling machine : en ru
  • FR801058A - Improvements made to internal combustion or internal combustion engines, especially those cooled by air : en fr
  • ES3892Y - I move type of marbled rubber footwear, with colors incorporated in the mass. : en es
  • GB451051A - Improvements in and relating to a device for heating and drying stone, gravel and the like : en
  • DE633429C - Machine for the production of hollow bodies, especially bottles, made of paper, etc. : de en
  • FR801276A - Use of the pressure of a liquid as a driving agent for a refrigeration system for this liquid by the process of evaporation-liquefaction of a refrigerant : en fr
  • SU47657A1 - Device for raising and lowering the cage used to secure the cleaning space : en ru
  • GB450906A - Improvements in lead-packed couplings for pipe lines : en
  • GB450967A - Improvements in or relating to ultra short wave oscillation generators : en
  • DE633481C - Sheet feeder : de en
  • ES142181A1 - A tarry-bituminous boiler. : en es
  • ES4252Y - Sharpening case for razors and machines : en es
  • CH185514A - Electrolytic capacitor. : de en
  • US2048870A - Automatic drying device for inked sheets : en
  • AU2455435A - Improvements in and connected withthe joints of walls composed of cement sheets andthe like : en
  • CH185541A - Circuit arrangement for counting connections in telephone systems with dialer operation. : de en
  • US2049139A - Electrical discharge relay : en
  • ES142055A1 - A procedure to produce new friction linings for automobile brakes, clutch discs and similar parts. : en es
  • CA359405A - Acid anhydride production : en fr
  • SU47861A1 - Incubator : en ru
  • US2048904A - Footwear : en
  • US2048946A - Car stop : en
  • CA359472A - Jar cap applying apparatus : en fr
  • SU47756A1 - Electric filter : en ru
  • AU2541735A - Improvements in or relating to electric power converting apparatus : en
  • CH185610A - Cabriolet with hinged scissor hood. : de en
  • CA359422A - Milk delivery system : en fr
  • CA359499A - Roll changing apparatus : en fr
  • US2049096A - Drift and ground speed meter : en
  • US2049310A - Interrupter mounting : en
  • SU47845A1 - An up-to-date descriptive geometry study guide. : en ru
  • US2048906A - Plant marker : en
  • US2049343A - Bearing and the like : en
  • CH185391A - Shower equipment. : de en
  • SU47696A1 - The method of phenol condensation with acetaldehyde : en ru
  • US2049125A - Vegetable and fruit dicer : en
  • US2049304A - Tubing shoe valve : en
  • US2048893A - Wire covering machine : en
  • USD100554S - Design for a coffee maker : en
  • AU302836A - Frequency reduction by current distribution : en
  • CA359456A - Machine tool device : en fr
  • CH185485A - Method and device for washing up and removing glue and water colors from ceilings and walls. : de en
  • CH185376A - Large span slab, made up of two elements. : en fr
  • CH185572A - Process for the preparation of an aminochrysenic sulfonic acid. : de en
  • USD100543S - Design for a paperweight or : en
  • SU47846A1 - Lag : en ru
  • GB451177A - Improvements in apparatus for carrying out catalytic gas reactions : en
  • ES142013A1 - Procedure for manufacturing tiles with visible glass faces. : en es
  • SU47866A1 - Method of making sticky paper from flies : en ru
  • FR801094A - Process for obtaining solid impressions on the fiber : en fr
  • GB451012A - Improvements in or relating to rubber films or sheets and to the production thereof : en
  • US2048863A - Condensing zinc vapor : en
  • GB450853A - Improvements in foundation garments : en
  • CA359494A - Railway truck : en fr
  • DE633522C - Process for the preparation of indigoid dyes : de en
  • SU47853A1 - Device for counting trolleys : en ru
  • SU47975A1 - Variable capacitor : en ru
  • DE633401C - Cream dispenser : de en
  • DE633549C - Ball or roller cage : de en
  • SU47687A1 - Methanol production method : en ru
  • US2049285A - Temperature meter : en
  • US2049328A - Electric circuit interrupter : en
  • DK51924C - Water Treatment Procedure. : da en
  • US2049397A - Electrically locked control switch : en
  • US2049316A - Safety device for ships : en
  • CA359436A - Lower boiling hydrocarbon production : en fr
  • FR801325A - Improvements to fuel tanks : en fr
  • GB450974A - Improvements in or relating to ringers adapted for use in telephone sets : en
  • GB450992A - Improvements in and relating to rotary fans : en
  • GB450929A - Improvements in or relating to retractable undercarriages for aircraft : en
  • DE633539C - Machine for the production of conical sheet metal packages for electric motors : de en
  • US2049106A - Model copying machine : en
  • US2049233A - Control system for pipe lines : en
  • USRE20047E - Release device fob inflatable : en
  • DE633464C - Method of dough preparation : de en
  • ES4850U - A new sports hall used as a public show based on mechanical elements of non-consumed traction (Machine-translation by Google Translate, not legally binding) : en es
  • GB451080A - Improvements in coin-freed vending machines : en
  • SU47849A1 - A device for comparing the work expended when running different bikes on a certain section of the path : en ru
  • SU47934A1 - Device for loading monorail rail cars : en ru
  • US2048843A - Valve insides : en
  • GB451409A - Improvements in or relating to method of and apparatus for welding metallic tips to metallic bases, and the products resulting therefrom : en
  • CA359413A - Display wing : en fr
  • DE633516C - Device for driving through loose bulk masses : de en
  • BE416076A - : en fr
  • US2048844A - Azo dyes and method for their preparation : en
  • USD100547S - Design for a dry cleaning machine : en
  • GB451043A - Improvements in and relating to electric vibratory massage apparatus : en
  • IE13916L - Rotary mixer : en
  • DE633551C - Focal plane shutter, especially for small cameras : de en
  • FR801270A - Porous metallic mass, its manufacturing process and its applications : en fr
  • FR801337A - Rubber stamp : en fr
  • US2048727A - Carburetor : en
  • US2048741A - Wringer actuating mechanism : en
  • GB451116A - Improvements in the treatment of cellulose fibres : en
  • FR801198A - Automatic billiard table : en fr
  • FR801144A - Watchmaking device with geographical coordinates : en fr
  • DE633548C - Fairing hood for air-cooled radial engines : de en
  • FR801093A - Improvements to sofas convertible into beds : en fr
  • DK51935C - Radio Receiver or Amplifier, as well as Iron Hydrogen Resistance for Use with the Apparatus. : da en
  • GB451247A - Improvements in the manufacture of laminated safety glass : en
  • US2048985A - Screw fan ventilator : en
  • US2049090A - Shedding mechanism for looms : en
  • DE633626C - Notepad consisting of the same sets of leaves : de en
  • GB451185A - Improvements in the construction of reinforced concrete floors : en
  • GB451019A - Radio direction finding systems : en
  • GB451074A - Improvements in mixing devices for insecticides or the like : en
  • SU47697A1 - Method for producing phenol-aldehyde resins : en ru
  • SU47703A1 - A device for controlling and ensuring the parallel operation of a steam power plant with the return of reduced pressure steam to a common steam line : en ru
  • SU47772A1 - The method of cleaning gas pipelines from naphthalene : en ru
  • CA359389A - Sash lock : en fr
  • ES4032Y - Compressed and hollow brick. : en es
  • DE633538C - Light liquid separator with blocking of the flow through air : de en
  • DE633599C - Process for the preparation of acidic dyes and compounds of the anthrapyrimidine series : de en
  • DE633637C - Protractor : de en
  • FR801128A - Aircraft upgrades : en fr
  • GB450997A - Method of converting steam driven cable ploughing engines or tractors to internal combustion engine drive : en
  • GB451242A - Improvements in and relating to kerbs, road islands, and like devices for guiding road traffic : en
  • DE633438C - Single-phase induction motor with automatically controlled auxiliary phase : de en
  • GB450998A - Improvements in or relating to machines for glueing veneers edge to edge : en
  • GB450871A - Improvements in or relating to locks : en
  • DE633439C - Circuit for regulating the speed of electric motors : de en
  • DE633482C - Process for the manufacture of meat grinder knives : de en
  • FR801240A - Improvements to pumps : en fr
  • FR801152A - Further training in dust extractors : en fr
  • GB451104A - Motor-vehicle chassis and particularly frames therefor : en
  • US2049165A - Photo mount : en
  • US2048748A - Method of heat treating metal : en
  • CA359371A - Pneumatic lift for ploughs : en fr
  • FR801062A - Synchronous electric motor operating on several voltages : en fr
  • SU47852A1 - Device for recording traffic on auto-road roads : en ru
  • US2048790A - Process of producing arylamines of the benzene series : en
  • US2049112A - Sheet feeding apparatus : en
  • USD100606S - Design for an elastic fabric : en
  • CA359444A - Ferrous alloy : en fr
  • CH185381A - Actuator of toilet flushing devices. : de en
  • DE633577C - Closure for windows etc. : de en
  • ES142134A1 - Device to avoid the glare produced by the headlights of cars. : en es
  • GB451246A - Improvements in or relating to padlocks : en
  • DE633560C - Book cover : de en
  • ES141973A3 - Process for making an infusible and non-deformable dough for the manufacture of rollers for printing and rotary machines. : en es
  • DE633495C - Device for inserting and removing piston rings : de en
  • FR801220A - Improvement in spark plugs for internal combustion engines : en fr
  • US2048742A - Receiving set control system : en
  • US2049227A - Shoe : en
  • US2049212A - Anthraquinone derivative : en
  • AU2528435A - Improvements relating to refrigeration apparatus having a plurality of temperature zones : en
  • SU47892A1 - Attachment for removing wedges holding dies : en ru
  • CH185568A - Process for producing a diazoamino compound. : de en
  • DE633524C - Melting kettle : de en
  • US2049398A - Railway traffic controlling system : en
  • US2048984A - Electric horn : en
  • US2049079A - Advertising device : en
  • US2049268A - Safety attachment for truck wheels : en
  • CA359493A - Motion picture apparatus : en fr
  • US2048781A - Antioxidants : en
  • US2049035A - Process of and means for treating hair : en
  • FR801277A - Method and device for the separation of solid bodies of different specific weights, within a suspending agent : en fr
  • DE633631C - Device for acoustic examination of bodies : de en
  • DK51950C - Machine for rolling out a doughy mass into a continuous strip. : da en
  • US2049172A - Mining apparatus : en
  • DE633521C - Circuit arrangement for eliminating oscillation caused by synchronism on a control frequency to be synchronized and driven by an electric motor : de en
  • CH185410A - Method and apparatus for facilitating steam generation, e.g. B. in the generation of water vapor, in the concentration of liquids such as wine, fruit juice, milk, etc., whose concentrates are used for the production of beverages; in the distillation of volatile substances such as brandy etc. : de en
  • CH185380A - Process for the manufacture of a cellular plaster. : en fr
  • SU47893A1 - Pipe bending punch : en ru
  • US2048929A - Electric vacuum culinary appliance : en
  • US2049406A - Centralized traffic controlling system for railroads : en
  • US2048793A - Bias finger fourchetteless glove : en
  • DE633541C - Type lever drive for writing, writing arithmetic and similar machines : de en
  • USD100537S - Design for a chair : en
  • CH185595A - Grain slide. : de en
  • SU47896A1 - The method of preparation of fiber tubes : en ru
  • US2049185A - Indirect water heater : en
  • CH185449A - Monorail mountain and valley circular track. : de en
  • US2048972A - Adjustable self-aligning bearing : en
  • CA359507A - Automobile transportation : en fr
  • US2049101A - Machine for assembling ophthalmic mountings : en
  • ES142108A1 - A system of distribution of air conditioning in buildings in general, through roofs that constitute the channels for said distribution. : en es
  • SU47745A1 - Device for testing transformer oil for dielectric strength : en ru
  • SU47836A1 - Device for testing ballooning tissues : en ru
  • US2049355A - Photoelectric relay apparatus : en
  • SU47794A1 - The method of heating joints in precast concrete structures : en ru
  • US2048902A - Liquid cooling apparatus : en
  • DE633555C - Adjustable pre-belt for brushes u. like : de en
  • AU2483935A - Improvements in and relating to horse collars : en
  • CA359373A - Grooved pulley : en fr
  • CA359496A - Pepper, salt, sugar or coffee mill : en fr
  • CH185407A - Fitting element on shoes, in particular soccer shoes. : de en
  • SU47953A1 - Continuously operating diffuser : en ru
  • US2049070A - Aerial system : en
  • US2049407A - Base for highway flares : en
  • FR801321A - Single-wheel agricultural tractor with age and steerable handles : en fr
  • SU47748A1 - Auto potentiometer : en ru
  • DE633378C - Reversing drive with flywheel converter and a work motor fed by a grid-controlled rectifier : de en
  • CH185383A - Locking device for one and a half tour storey and front door locks. : de en
  • US2048746A - Separator : en
  • BE416345A - : en
  • SU47785A1 - Adaptation to the x-ray tripod for obtaining volume copies of the heart, stomach to some other organs. : en ru
  • US2048957A - Valve for rock drills : en
  • US2048700A - Nonrefillable closure for bottles and other containers : en
  • US2048961A - Compensator for hoisting apparatus : en
  • DE633565C - Body support for x-rays : de en
  • DK51939C - Device for machine guns for firing bullets using compressed air. : da en
  • DE633571C - Device for making cardboard boxes with caps o. : de en
  • AU2394535A - Improvements in and relating to liquid meters orthe like : en
  • SU47870A1 - Nozzle-pump for uncompressor internal combustion engines operating according to the Arshaulov principle : en ru
  • SU47879A1 - Hose Coupling : en ru
  • US2048822A - Antioxidant : en
  • SU47847A1 - Method and device for determining components of velocity and turbulence of water flow : en ru
  • US2048849A - Covered wire and method for producing the same : en
  • US2049259A - Leakproof bolt : en
  • US2049352A - Staying device for road guards : en
  • US2049231A - Collapsible display device : en
  • USD100595S - Design for a lace : en
  • USRE20051E - Liquid and gas separation : en
  • GB450908A - Arc lamp : en
  • SU47823A1 - The machine for the wedge pen at the nozzle of the felted shoes on the block : en ru
  • US2048681A - Thermocouple shield : en
  • US2049137A - Load transmission center joint : en
  • US2049391A - Pump : en
  • SU47707A1 - High speed chromium steel : en ru
  • US2049057A - Extractor for washing machines : en
  • CH185427A - Manufacturing process for sheets, bands, etc. transparent for packaging and other applications. : en fr
  • CH185601A - Effect lighting device for shop windows. : de en
  • SU47793A1 - Device for ventilation of rooms without central heating and central ventilation : en ru
  • SU47911A1 - Cutlet Making Machine : en ru
  • US2048815A - Gripper : en
  • US2048878A - Ring : en
  • US2049077A - Pipe organ : en
  • BE415829A - Rotating toothbrush : en fr
  • US2048767A - Automatic web splicing machine : en
  • SU47740A1 - Insulation method for winding electric machines : en ru
  • SU47705A1 - Films for cyclostyle originals : en ru
  • SU47812A1 - Method of attaching a rubber sole to a shoe and a press for gluing a rubber sole to leather shoes : en ru
  • US2049330A - Transmission dynamometer : en
  • CA359387A - Hydrodynamic gear : en fr
  • US2049356A - Mechanism for controlling loom stop motions : en
  • US2048753A - Safetypin package : en
  • US2049270A - Medical device : en
  • CH185402A - Process for the preparation of a durable sulfuric acid ester salt of a leuco vat dye in powder form. : de en
  • GB451192A - Straw-asphalt sheet and process for the manufacture of the same : en
  • US2049123A - Art of box manufacture : en
  • US2048808A - Mold for plaster casting : en
  • US2048853A - Automobile control apparatus : en
  • US2048964A - Planographic printing plate : en
  • US2049332A - Rolling mill : en
  • GB451221A - Automatic time control : en
  • FR801288A - Spark plug : en fr
  • GB450895A - An improvement to food and/or water troughs on livestock cages : en
  • GB450960A - Improvements in or relating to screw propellers, turbine rotors and like devices : en
  • US2049000A - Manufacture of asphalt and lubricating oils : en
  • DE633624C - Device for regulating the supply of chlorine or similar water cleaning agents to flowing water or wastewater : de en
  • US2048695A - Individual medicine glass rack : en
  • DE633514C - Flammable fog substances containing phosphorus : de en
  • SU47899A1 - Photographic Washing Machine : en ru
  • US2049211A - Vacuum pump : en
  • GB450983A - Improvements relating to prepayment meters : en
  • GB450913A - Retarding mechanisms for photographic shutters : en
  • GB450988A - Improvements in or relating to apparatus for electrically heating bars and other members : en
  • US2049374A - Elastic wheel for vehicles : en
  • USD100544S - Design for a shoe : en
  • US2048794A - Shoe stretcher : en
  • DE633092C - Flying shears for cutting rolling stock : de en
  • SU47676A1 - Elevator of the peat-loader : en ru
  • ES140951A3 - Procedure for the manufacture of seamless tubes using roller gauges. : en es
  • FR801099A - Combined game of skill and chance : en fr
  • FR801140A - Mechanical toy : en fr
  • GB451227A - Improvements in or relating to high frequency and like carrier signalling systems : en
  • US2048687A - Clinometer for a rifle : en
  • US2048709A - Method of making fastener units : en
  • US2048818A - Process of producing edible fatty esters of synthetic origin : en
  • USD100555S - Design for a finger ring : en
  • FR801294A - Self-locking bolt : en fr
  • GB451135A - Improvements in or relating to snap-action electric switches : en
  • SU47720A1 - Electric locomotive : en ru
  • IE14034L - Self-renewing tyre treads : en
  • CH185398A - Two-for-one twisting spindle. : de en
  • CH185440A - Photographic camera. : en fr
  • AU2533035A - An electric oven, particularly for preparing eatables : en
  • US2048871A - Gas filter : en
  • ES142020A1 - A tipper for tipper wagons. : en es
  • SU47731A1 - The method of applying an insulating layer on metal wires : en ru
  • US2048723A - Thermionic oscillation generator : en
  • USRE20045E - Liquid htalhks : en
  • US2048856A - Teeth separator : en
  • SU47801A1 - Folding portable room : en ru
  • FR801182A - Improvements to geography maps and similar objects : en fr
  • GB451191A - Chair for doctors, dentists, hairdressers and the like : en
  • ES142001A1 - PROCEDURE FOR THE COLOR DEVELOPMENT OF SILVER HALOGENIDE EMULSIONS. : en es
  • SU47780A1 - Tripod thermostat with beeper for erythrocyte sedimentation reaction : en ru
  • US2048846A - Artisan tool : en
  • US2049064A - Weather strip : en
  • DE633449C - Device for measuring the composition of gas mixtures : de en
  • FR801258A - Tennis racket training : en fr
  • ES141604A1 - Vertical oven for distillation at low temperature. : en es
  • US2049034A - Translucent sundial : en
  • US2049037A - One-piece guard : en
  • DE633581C - Door closer with friction brake : de en
  • GB451339A - A valve for controlling the flow of fluids : en
  • DE633544C - Arrangement for the automatic shutdown of single armature converters : de en
  • US2049192A - Steering apparatus : en
  • US2048866A - Antiroll device : en
  • SU47840A1 - Method and apparatus for controlling viscosity of liquids : en ru
  • GB450876A - Improvements in the manufacture and production of carbon black : en
  • GB450922A - Improvements relating to landing and take-off gear for aircraft : en
  • DK51921C - Procedure for Making Puzzles, Game Pieces and Mergers. : da en
  • CA359523A - Medicated pad assembly : en fr
  • CH185575A - Process for the preparation of an aryldiazonium salt. : de en
  • US2048737A - Amplifier circuit : en
  • DE633480C - Mixing device for liquids : de en
  • US2049335A - Quick action hydraulic jack : en
  • SU47715A1 - Locking mechanism for car unloading hatches : en ru
  • US2049371A - Stave joint : en
  • US2049182A - Lubricating device : en
  • US2049248A - Internal combustion motor : en
  • US2048951A - Mattress side and method of making the same : en
  • US2049086A - Cable reel for blasting mines : en
  • AU2354235A - Improvements in protective arrangements for electric motors : en
  • CH185421A - Process for the production of stable, highly concentrated dispersions of water-insoluble vinyl resins. : de en
  • DE633574C - Stopper for champagne bottles : de en
  • SU47851A1 - A device for recording time just woodworking machines : en ru
  • US2048713A - Massage applicator : en
  • US2048875A - Brake tester : en
  • US2048967A - Cement improver and method : en
  • US2049140A - Display cabinet : en
  • US2048782A - Crystal controlled circuit : en
  • GB450961A - Refractories : en
  • ES141983A1 - A device for sewing on the spot, made as a special machine or as an additional device for ordinary sewing machines. : en es
  • FR801347A - Process for the preparation of unsaturated hydrocarbons by extraction from the gases or liquids which contain them : en fr
  • USD100549S - Design fob a metal border strep : en
  • GB450875A - Improvements in the manufacture and production of silicic acid esters : en
  • SU47670A1 - Modification of the coke oven : en ru
  • US2048810A - Telephone coin collector : en
  • US2049204A - Valve : en
  • CA359488A - Street lighting fixture : en fr
  • ES142115A1 - Burner of solid fuels. : en es
  • CH185599A - Process for the manufacture of a high voltage electric cable, and cable obtained by this process. : en fr
  • FR801228A - New slab and coverings for roads, courtyards and other floors obtained with this slab : en fr
  • DE633618C - Process for briquetting brown coal : de en
  • SU47673A1 - The device for mandrel peat rolls : en ru
  • SU47710A1 - Method of dumping the road bed in the swamps : en ru
  • US2049351A - Pinking device for sewing machines : en
  • GB451052A - Improvements in and relating to electrically heated hotplates : en
  • CA359515A - Iron holder : en fr
  • CH185412A - Process for the production of aqueous dispersions of bituminous substances. : de en
  • CH185397A - Loading mechanism for rolls in continuous ring looms, draw benches, spindle beds and other similar textile machines. : en fr
  • SU47724A1 - Device for measuring distances using electromagnetic waves : en ru
  • GB451228A - A regulating stop for use with soda water syphons or the like containers : en
  • GB451170A - Apparatus for generating oxygen, especially for breathing purposes : en
  • SU47871A1 - Hydropneumatic turbine : en ru
  • DE633627C - Process for the production of a magnetic material for magnetic cores or Krarup windings : de en
  • AU2352735A - Improvements in or relating to band filters constituted by capacitatively coupled circuits : en
  • ES4147Y - Hand rest for bicycle guides. : en es
  • FR801126A - Improvements to projectors whose reflective surface is formed by curved metal plates : en fr
  • CH185408A - Mountaineering set that can be attached to shoes. : de en
  • CH185499A - Installation for heating the cooling water of engines. : en fr
  • CA359376A - Rectal instrument : en fr
  • CH185588A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • US2048932A - Coating for concrete : en
  • USD100596S - Design fob a i : en
  • CH185446A - Ski binding. : de en
  • SU47918A1 - The method of applying enamel patterns on metal : en ru
  • USD100561S - Design for a combination manicure : en
  • ES142010A1 - Automatic electrical project. : en es
  • FR801206A - Shutter for concrete or similar pumps : en fr
  • SU47701A1 - Method of strengthening thin-walled tubes in collector boards, mainly aircraft engine radiators : en ru
  • USD100563S - Design for a pocket folding : en
  • CA359517A - Potato grader : en fr
  • GB451054A - Improvements in or relating to cloth finishing machines, comprising a palmer stretching apparatus : en
  • CH185597A - Process for the production of weatherproof coatings, in particular with a polish-like high gloss. : de en
  • CA359421A - Refrigerator : en fr
  • CA359439A - Safety razor : en fr
  • DE633526C - Spring clip with hinged holder for utensils : de en
  • GB451036A - Improvements in and relating to cans, cartons and like containers : en
  • SU47773A1 - The method of impregnation leather : en ru
  • DE633460C - Electric musical instrument with pre-loaded stress-sensitive elements : de en
  • CH185389A - Pull-out table. : de en
  • CH185561A - Heterogeneous wall. : en fr
  • CA359487A - Multifocal lens and blank manufacture : en fr
  • US2049232A - Device for indicating magnetic directions : en
  • CH185507A - Electrical switch operated by magnetic force. : de en
  • FR801348A - Improvements to bolt locks : en fr
  • BE415833A - : en
  • DK51926C - Method and Apparatus for pre-treatment of materials to be subjected to burning. : da en
  • GB451348A - Manufacture of aromatic nitrogen compounds : en
  • DE633586C - AC-powered light signal : de en
  • FR801122A - Device for indicating and recording the oxygen content of water : en fr
  • GB450889A - Improvements in sanitary traps for closet pans : en
  • DE633455C - Self-printing adding machine : de en
  • DE633628C - Compressed air brake with a pressure booster valve connected upstream of the brake cylinder : de en
  • AU2270035A - Double acting jaw crusher : en
  • GB450838A - Improvements in and relating to stands for display purposes : en
  • GB450890A - Improvements in shaving mugs : en
  • GB450993A - Improvements in latches : en
  • GB451003A - Improvements in detachable fenders for ships' boats : en
  • USRE20048E - Theewnonic tube : en
  • FR801065A - Compressed air handling facility : en fr
  • DE588833C - Installation on television receivers : de en
  • GB450917A - Improvements in and relating to optical sound recording apparatus more particularly for use in the production and reproduction of talking motion pictures : en
  • ES142046A1 - An improvement in the continuous equipment of fats and oils. : en es
  • FR801305A - Process for preparing sulfonethylamines : en fr
  • DE633083C - Process for the preparation of aromatic compounds : de en
  • FR801073A - Automatic metering device for supplying engines with gaseous fuel : en fr
  • ES4154Y - Zinc especially for cuffs. : en es
  • FR801185A - Food product for animals and mainly for poultry : en fr
  • FR801221A - Bubble level, with device for damping the movements of the bubble : en fr
  • US2048886A - Insulated conductor and method and means for producing same : en
  • DE633468C - Designation mark for insulated electrical lines : de en
  • FR801333A - Improvement in devices for applying cosmetics to the eyelashes and for curling the eyelashes : en fr
  • GB451110A - An improved process for the transport of solid or solid and liquid substances mixed with vapours and/or gases : en
  • US2048859A - Dispensing receptacle : en
  • ES141974A1 - Improvements in planographic plates of aluminum sheet. : en es
  • FR801246A - Carrying device and coin counter : en fr
  • SU47755A1 - Method of making getter material : en ru
  • US2049093A - Electrical outlet plug : en
  • US2049293A - Pistol holster : en
  • FR801052A - Removable siphon : en fr
  • DE633570C - Hydraulic drive device : de en
  • DE633602C - Adjustable device for connecting the conveyor basket with the conveyor rope : de en
  • FR801078A - Further training in coal crushing machines : en fr
  • DE633496C - Drive mechanism : de en
  • DE633557C - Broom with cleaning comb : de en
  • FR801071A - Centrifugal separator : en fr
  • FR801249A - Rice powder mixer device : en fr
  • SU47787A1 - The method of air purification from harmful impurities by their oxidation : en ru
  • FR801175A - Landing of blind planes : en fr
  • SU47678A1 - The method of separation of a mixture of sulphate, nitrate and chloride salts of alkali metals : en ru
  • US2049021A - Pigment : en
  • US2049193A - Thermally actuated apparatus : en
  • GB451211A - An improved method of and means for feeding packs of sheets to typewriters or the like : en
  • GB451234A - Improvements in and relating to lanterns for electric lamps : en
  • SU47651A1 - Rope boring machine : en ru
  • US2048765A - Paper throw-out device : en
  • US2049012A - Apparatus for the production of etched copper printing cylinders : en
  • US2049187A - Apparatus for making wire fabric seams : en
  • GB450989A - Improvements in sundials : en
  • FR801154A - Hose Controlled Portable Shear : en fr
  • ES142075A1 - Procedure for obtaining protective oxide coatings on aluminum and its alloys with the aid of ozomolytic or ozowolframic acids simultaneously using polybasic organic oxacids. : en es
  • FR801312A - Process of agglomeration of coals : en fr
  • FR801184A - Variable or constant speed clutch-torque limiter : en fr
  • CA359380A - Racket bow caul : en fr
  • US2048686A - Molding process : en
  • US2049169A - Sheet mounting mechanism : en
  • US2048889A - Boundary net for tennis courts and the like : en
  • CH185510A - Device for the protection of alternating current installations against discharge to earth. : de en
  • DE633473C - Stocking with stocking protector : de en
  • DE633625C - Process for the extraction of phenols and other accompanying substances from aqueous fluids : de en
  • FR801119A - Arrangement of centrifuges with discharge openings in the outer part of the bowl : en fr
  • FR801105A - Improvement in acid descaling processes : en fr
  • FR801207A - Spherical drive wheel : en fr
  • GB451276A - Improvements in means for controlling automatically temperature and other conditions : en
  • US2048772A - Remote tuning system for radio receivers : en
  • US2049403A - Current collector : en
  • FR801284A - Switch with several breaks : en fr
  • GB451250A - Improvements in or relating to apparatus for heating or drying plates and like receptacles : en
  • US2049388A - Electromechanical power plant for locomotive vehicles : en
  • US2048942A - Card dealing device : en
  • US2049203A - Agricultural implement : en
  • US2048809A - Portable stamp mill : en
  • FR801331A - Fabric feed mechanism, for sewing machines : en fr
  • GB451013A - Process for the treatment of zinc muds or sludges : en
  • ES142334A1 - A new microuremeter used to determine urea in organic liquids. : en es
  • FR801163A - Improvements to children's vehicles, such as cycles, tricycles, reduced cars and other toys mounted on wheels : en fr
  • FR801341A - Interlocking device between the door of a water closet and the flushing device and water closet equipped with this device : en fr
  • US2049011A - Apparatus for the production of dentures : en
  • US2049074A - Cable shortener : en
  • DE633559C - Machine that cuts a strip of paper parallel with its direction of movement into individual sheets and pushes them together to form a stack : de en
  • FR801191A - Device for over-compression of a furnace by centrifugal gas turbofan fans : en fr
  • BE415900A - : fr
  • US2049382A - Pressure regulator : en
  • CH185476A - Process to make combustible materials flame-proof. : de en
  • CH185503A - Starting procedure for rotor-fed three-phase current shunt commutator motors. : de en
  • SU47946A1 - Wash tap : en ru
  • US2049230A - Refrigerating apparatus : en
  • SU47957A1 - Device for the continuous release of starch from starch milk : en ru
  • SU47650A1 - Device for sorting bulk material : en ru
  • SU47973A1 - Location device : en ru
  • BE416302A - : en
  • CH185375A - Poison gas developing agent for combating animal pests. : de en
  • CA359374A - Bearing for machine elements : en fr
  • GB451002A - Improvements in or relating to gas and air ports for siemens-martin open hearth furnaces : en
  • US2048708A - Electric meter bearing : en
  • DE633448C - Method and device for producing rubber threads : de en
  • US2048701A - Fish cutting machine : en
  • FR801123A - Rotary mixer : en fr
  • FR801237A - Device for indicating the presence of foreign matter in a gas : en fr
  • SU47733A1 - Oil filled insulator : en ru
  • GB451254A - Improvements in or relating to impact crushers, and methods of crushing : en
  • US2049195A - Gain control circuit : en
  • US2049080A - Cooking top cover : en
  • DE633585C - Strip of staples produced from a sheet metal strip by forming gaps : de en
  • CH185443A - Device for making dots on a drawing. : en fr
  • CH185574A - Process for the preparation of an aryldiazonium salt. : de en
  • US2048838A - Process of producing vinylacetylene : en
  • US2048816A - Apparatus for the production of lens line-screen films for color photography : en
  • US2048812A - Fastener : en
  • US2049354A - Thermal relay : en
  • CH185556A - Railway trolleys for motor vehicles. : de en
  • AU2513835A - Improvement in tag marking machine : en
  • CA359420A - Rotary valve : en fr
  • US2048998A - Means for rectifying electric current : en
  • US2048739A - Power supply circuit : en
  • CH185456A - Device for retarding the rate of fire of machine weapons. : de en
  • DE633579C - Fitting for sliding glass doors of shop and display cabinets : de en
  • CH185600A - Device for converting alternating currents with a given number of periods and phases into alternating currents with a different number of periods and phases. : de en
  • US2049151A - Fruit ladder : en
  • USD100570S - Design for a butter dish : en
  • SU47669A1 - Coal Coking Plant : en ru
  • US2049005A - Color-photographic bleach out dyestuff layers : en
  • CH185585A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • DE633573C - Mouthpiece for wine lifter or the like. : de en
  • DE633612C - Self-closing valve with slowed closing movement : de en
  • SU47829A1 - Optical device for studying stress in bodies, structures, etc. : en ru
  • US2048674A - Flush tank : en
  • US2049047A - Drill head : en
  • SU47757A1 - Electric filter : en ru
  • GB451178A - Improvements in loud speakers : en
  • GB451216A - Improvements in and relating to electric transformers : en
  • SU47688A1 - The method of separation and deodorization of carboxylic acids obtained by the oxidation of hydrocarbon oils with oxygen or oxygen-containing gases : en ru
  • SU47827A1 - Pickup : en ru
  • US2049144A - Brake lever : en
  • CA359464A - Hydrocarbon oil wax removing method : en fr
  • CA359506A - Automobile transportation : en fr
  • BE415906A - Device for remote control of circuit breakers using low consumption relays : en fr
  • CH185502A - Cooker absorber for periodic dry absorption refrigeration machines. : de en
  • FR801067A - Enhancements to fixtures for automatic control of receiver bandwidth : en fr
  • GB451412A - Improvements relating to lubricants and to lubrication : en
  • CA359393A - Shoe size measure and indicator : en fr
  • SU47753A1 - Coil winder : en ru
  • SU47936A1 - Tunnel Dryer for Pottery : en ru
  • CA359388A - Copper, nickel and cobalt mineral recovery : en fr
  • ES142053A1 - Improvements in the construction of circular looms. : en es
  • FR801267A - Multi-combination ceramic hoops : en fr
  • US2048668A - Apparatus for manufacturing metal catalysts : en
  • US2048884A - Valve : en
  • SU47904A1 - Aerostat for lifting and releasing rockets in the stratosphere : en ru
  • SU47672A1 - Peat extraction and processing method : en ru
  • CA359530A - Retainer plug : en fr
  • AU2309735A - Improved hair curler : en
  • CA359460A - Cement manufacture : en fr
  • US2048949A - Volume measuring device : en
  • AU2406135A - Improvements in cases for containing fresh fruit : en
  • US2049007A - Water-insoluble azo-dyestuffs and fiber dyed therewith : en
  • US2049235A - Apparatus for testing materials by flexure : en
  • CH185578A - Process for the preparation of an aryldiazonium salt. : de en
  • CH185536A - Stamping or franking machine. : en fr
  • US2048837A - Shoe flexing device : en
  • CA359446A - Masher : en fr
  • CA359525A - Rear lamp : en fr
  • US2049276A - Stretcher and guider : en
  • US2048730A - Lubricator : en
  • US2049150A - Fuel burner : en
  • CA359409A - Refrigerating system : en fr
  • FR801176A - Individual protection device against combat gases : en fr
  • FR801263A - High frequency cable : en fr
  • FR801342A - Improvements to non-slip wheels and in particular to agricultural tractor wheels : en fr
  • GB451183A - Manufacture of nitro-dyestuffs : en
  • AU2398735A - Improvements in and relating to gas stoves : en
  • US2048882A - Steam boiler for car heaters : en
  • FR801307A - Direct process for preparing low sulfur iron : en fr
  • CH185464A - Waterproof watch box. : en fr
  • DE633536C - Facility for target practice on airplanes : de en
  • FR801290A - Mechanism for transforming a reciprocating rectilinear motion into a continuous rotary motion : en fr
  • CA359411A - Nitrogen oxide absorption : en fr
  • CA359470A - Ice cream paper cup : en fr
  • GB451196A - Improvements in spiked sports shoes : en
  • CH185576A - Process for the preparation of an aryldiazonium salt. : de en
  • CH185386A - Resilient insert for mattresses, pillows, upholstered furniture, etc. : de en
  • US2048917A - Ball rolling machine : en
  • US2049122A - Gear for conveying rotary motion : en
  • CA359508A - Automobile transportation : en fr
  • US2049045A - Woodworking machine : en
  • CH185395A - Hand-operated spinner. : de en
  • SU47727A1 - A method of making insulation products from cellulose regenerated from viscose : en ru
  • CH185455A - Device on machine guns equipped for ball shooting by means of compressed air. : de en
  • ES4846U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • GB451089A - A process for the manufacture of soluble food extracts : en
  • CA359462A - Moistureproofed material : en fr
  • CH185438A - Booking typewriter with plug-in device. : de en
  • US2049389A - Diesel electric power system : en
  • DE633386C - Circuit arrangement for alarm systems : de en
  • CA359434A - Cast iron alloy : en fr
  • US2049036A - Process for dewaxing oils : en
  • SU47842A1 - Method and apparatus for determining the quality of refined sugar, for example, extruded : en ru
  • SU47913A1 - Method of editing abrasive wheels : en ru
  • US2048721A - Container and method of forming the same : en
  • US2049048A - Shoe press : en
  • US2049190A - Building construction : en
  • CH185414A - Process for the preparation of a saturated dihydrochloroketone. : de en
  • AU2360135A - Improvement in manufacture of cement : en
  • US2049215A - Wheel : en
  • DE633344C - Process for the preparation of diacyldiaminodiphenylselenides : de en
  • US2049067A - Ashtray container : en
  • GB451123A - Process for the manufacture of intermediate products for dyestuffs : en
  • DE633453C - Sound reproduction device : de en
  • US2049058A - Process for producing wax modifiers and products thereof : en
  • CA359385A - Wheel : en fr
  • CA359406A - Electrical cable : en fr
  • SU47868A1 - Internal combustion engine with curvilinear-groove mechanism : en ru
  • US2048824A - Alloys and method of manufacture : en
  • US2049089A - Iron heating unit : en
  • AU2384635A - Improvements in and relating tothe tempering of glass sheets : en
  • CA359454A - Air conditioner : en fr
  • SU47874A1 - The method of operation of heat engines : en ru
  • CH185582A - Process for the preparation of an azo dye. : de en
  • CH185528A - Process for the production of treatment compositions for sensitive materials, in particular for living hair, and composition produced by this process. : de en
  • SU47909A1 - Chain wheel : en ru
  • CH185521A - Electric radiation emitter. : de en
  • DE633593C - Process for the production of salts of hexavalent chromium : de en
  • SU47895A1 - Double Needle Double Needle Machine : en ru
  • US2048887A - Discharge tube : en
  • US2049004A - Art of refining metals : en
  • CH185586A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • CH185534A - Device for atomizing liquids in air. : de en
  • GB450930A - Improvements connected with couplings for colliery trams and the like : en
  • DE633470C - Grinding tool for the hardest metal alloys : de en
  • CH185522A - Electric light bulb. : de en
  • SU47751A1 - Method for automatic comparative control of light and electrical characteristics of incandescent lamps : en ru
  • US2049161A - Tie supporter : en
  • SU47699A1 - Retort to get a tar : en ru
  • US2049135A - Method of and means for severing and feeding a web of flexible material : en
  • CH185492A - Speed variator. : en fr
  • GB451174A - Improved machine for pulping coffee berries : en
  • GB451167A - Improvements in or relating to crank-shaft bearings : en
  • CA359400A - Mercury derivative of nitro-para-cresols : en fr
  • US2048845A - Door hanger structure : en
  • DE633441C - Safety circuit for consumer circuits fed on both sides : de en
  • US2048689A - Cleaning device : en
  • CA359370A - Cap : en fr
  • CH185540A - Arrangement for remote reporting by means of carrier waves. : de en
  • CH185423A - Fragrance mixture. : de en
  • ES4848U - Bicycle bottom bracket (Machine-translation by Google Translate, not legally binding) : en es
  • FR801214A - Device for controlling doors, turnstiles, plates or other rotating parts : en fr
  • CA359482A - Garment : en fr
  • CH185543A - Packing machine. : en fr
  • GB451144A - Improvements in or relating to means for use in feeding sheets to printing and other like machines : en
  • US2048751A - Ultra short wave carrier wave apparatus : en
  • CH185504A - Device on electric motors working in a liquid. : de en
  • SU47684A1 - The method of producing beryllium chloride : en ru
  • US2049010A - Motor vehicle : en
  • SU47728A1 - Method of making micalex : en ru
  • USD100541S - Design for a nail file : en
  • US2049383A - Bottle dispensing machine : en
  • US2049386A - Serving tray : en
  • FR801209A - Enhancements to t receptors. s. f. : en fr
  • US2048671A - Heel-seat fitting machine : en
  • US2049117A - Heat exchanging apparatus : en
  • US2048761A - Television system : en
  • US2048798A - Razor stropping device : en
  • FR801216A - Improvements to suspension systems for glass sheets subjected to thermal actions : en fr
  • GB451028A - Improvements in tubular heat exchange apparatus for fluids : en
  • GB451843A - Improvements relating to gyro control systems for dirigible craft : en
  • FR801159A - Improvements in war gas protection apparatus and the like : en fr
  • DE620871C - Theft alarm device : de en
  • FR801192A - Improvements to wave collectors for radio signal reception stations : en fr
  • FR801204A - Protective goggles against the sun or bright lights : en fr
  • GB450944A - Improvements relating to gasholders : en
  • GB451115A - Improvements in the process of bleaching textile fibres, yarns and fabrics : en
  • FR801248A - Regulator device for impeller turbines : en fr
  • DE633405C - Method for measuring the amount of liquid in a container : de en
  • GB450915A - Improvements in methods and apparatus for reeling wet rayon : en
  • CH185426A - Process for the manufacture of preparations containing synthetic tanning agents. : de en
  • US2049409A - Cable terminal : en
  • US2048923A - Method of and apparatus for scouring coal : en
  • USD100592S - Design fob a cravat holder : en
  • SU47662A1 - Method of removing scale from sheet surface : en ru
  • SU47863A1 - Fumigation Chamber : en ru
  • US2049226A - Vacuum tube : en
  • CH185460A - Multiplication machine. : de en
  • DE633511C - Phase shifter : de en
  • DK51946C - Gutter-shaped Tool for Removing the Spine and Side Legs of Fish. : da en
  • FR801059A - Improvements to progressive gear changes : en fr
  • GB451249A - Improvements in or relating to hangers for suspending garments in storage : en
  • CA359514A - Oxygen indication and registration device : en fr
  • US2048802A - Display counter apparatus : en
  • DE633525C - Device for carrying heat treatments to glass objects to be subjected : de en
  • US2049069A - Combined flashlight and warning signal : en
  • DE633490C - Suspension device for curtains, drapes or the like. : de en
  • DK51933C - Method of Making a Quinine Compound. : da en
  • SU47954A1 - Device for measuring the amount of sugar juices : en ru
  • US2049294A - Preparation of oil-soluble mercury compounds : en
  • DE633436C - Device for attaching labels for electrical devices to base plates : de en
  • GB451213A - Improvements in wireless aerials : en
  • US2049364A - Refrigerating system and method of charging the same : en
  • US2049317A - Process of making hard alloys : en
  • USD100607S - Design for an illuminated : en
  • SU47804A1 - Adaptation in American planes for the transverse installation of glands : en ru
  • SU47867A1 - Crankshaft for two-stroke internal combustion engines with a V or W-arrangement of cylinders : en ru
  • US2049081A - Alloys : en
  • AU5427965A - Extreme pressure lubricant and method for making the same : en
  • US2048755A - Flush tank float : en
  • US2049323A - Washing glove or mitten : en
  • US2049331A - Dispensing device : en
  • CA359442A - Garment : en fr
  • CH185430A - Method for applying a cover layer to an object, in particular to the surface of an electrical device. : de en
  • DE633415C - Bag holder : de en
  • DE633611C - Adjustable ignition device for internal combustion engines : de en
  • GB451206A - Improvements in or relating to splints for limbs, also applicable as a limb support or cradle : en
  • US2048683A - Resilient heel : en
  • FR801114A - Combination roller system for milling machine : en fr
  • FR801187A - Improvements to telescopic hydraulic shock absorbers : en fr
  • ES4844U - Special metal windows. (Machine-translation by Google Translate, not legally binding) : en es
  • FR801116A - Filing grid with rollers fitted with discs : en fr
  • GB451150A - Fluid manifolding devices : en
  • GB451187A - Improvements in or relating to adjustable chairs : en
  • US2049017A - Oil with grain material to stabilize against oxidation : en
  • US2048691A - Holder for cinematograph films and the like : en
  • GB451210A - Rubber or rubber substitute oversock : en
  • ES141976A2 - IMPROVEMENT INTRODUCED IN THE OBJECT OF MAIN PATENT NUMBER 140576.. : en es
  • GB451018A - Improvements in the manufacture of collars for personal wear : en
  • ES142030A1 - A process for the production of valuable hydrocarbons, by treatment, with hydrogenated gases, of distillable carbonaceous materials, in the presence of catalysts. : en es
  • ES4228Y - Support for packaged or free fuels. : en es
  • US2048820A - Process for the continuous mutual reaction of two liquids of different specific gravities on the counter-current principle : en
  • US2048939A - Lighted mirror : en
  • US2049340A - Drain : en
  • US2048868A - Razor blade sharpener : en
  • USRE20052E - Communication system : en
  • GB451000A - Improvements in and relating to the vulcanization of rubber : en
  • CA359412A - Container closure : en fr
  • CA359415A - Liquid level control device : en fr
  • DE633400C - Method and device for the production of hardened glass plates from flat glass produced by drawing or rolling : de en
  • FR801323A - New curlers for permanent waving : en fr
  • GB450986A - Improvements in thermionic and like time-base circuits : en
  • SU47779A1 - Device for producing erythrocyte sedimentation reaction : en ru
  • US2048749A - Steaming oven : en
  • DE633533C - Suspension for motor vehicles : de en
  • ES141993A1 - A procedure of electronic phase shifts. : en es
  • SU47664A1 - Apparatus for decoction, dyeing and the like fabric processing : en ru
  • SU47876A1 - Pressure generator : en ru
  • US2048867A - Railway car coupling : en
  • SU47712A1 - Machine for applying a waterproofing layer in a tunnel : en ru
  • IE14450L - Pneumatic tyre tubes : en
  • CA359479A - Overruning clutch : en fr
  • US2048829A - Necktie : en
  • ES142021A1 - A telegraphic printer receiver. : en es
  • FR801272A - Improvements to copper-based alloys : en fr
  • CA359483A - Nail : en fr
  • US2049031A - Locking device for full fashioned knitting machines : en
  • US2049303A - Ruler : en
  • US2049345A - Toy car : en
  • DE633629C - Optical direction indicator for vehicles, especially for trams : de en
  • GB451021A - Improvements in or relating to amplifier circuits : en
  • FR801166A - Permanent velor and lint primer : en fr
  • GB451256A - Improvements relating to the control of manually operable brakes : en
  • US2049043A - Soluble oils : en
  • US2048920A - Magnetic compensator : en
  • US2048725A - Door hinge : en
  • US2048977A - Fuel heater for internal combustion engines : en
  • AU2353935A - Improvements in or relating to electron discharge devices and circuit arrangements incorporating thesame : en
  • US2048861A - Process of producing refractory bodies : en
  • CH185533A - Process for the production of androsterone acetate. : de en
  • SU47735A1 - High voltage bushing : en ru
  • ES142057A1 - Provision for totalizers. : en es
  • GB450980A - Improvements in bakers' baskets and like containers : en
  • DE633610C - Carrier pigeon foot ring : de en
  • DE633421C - Process for the production of high molecular weight tanning agents : de en
  • US2049377A - Electric welder control : en
  • US2049119A - Compensating device for motor vehicles : en
  • GB450903A - Automobile control devices : en
  • US2048950A - Aircraft lift rotor and rotor pack : en
  • SU47966A1 - Method of neutralizing shielded lamps : en ru
  • US2049224A - Utility test lamp : en
  • DE633503C - Device for rubbing and painting flagpoles or the like. : de en
  • US2049326A - Ophthalmic lens repair device : en
  • USD100572S - Design for a tire : en
  • US2049066A - Airplane having unique retractable landing device : en
  • USD100569S - Similar article : en
  • FR801329A - Valve seat for combustion engines and alloy for its manufacture : en fr
  • GB450969A - Process for the production of valuable organic compounds and in particular liquid hydrocarbons by treatment of carbonaceous materials with hydrogenating gases : en
  • US2048976A - Educational test device : en
  • US2048684A - Adjustable free running self aligning creaser or slitter : en
  • US2048733A - Metal casting : en
  • US2049065A - Mechanism for regulating transmission speeds : en
  • US2048834A - Gyroscopic position finder : en
  • US2049132A - Semitrailer tank truck : en
  • US2049381A - Attachment plug receptacle : en
  • GB450874A - Improvements in and relating to shutters in or for x-ray tube installations : en
  • GB450962A - Improvements in and relating to electron discharge tubes : en
  • FR801189A - Apparatus for spinning artificial schappe or other textile fibers : en fr
  • BE415886A - Method of disposing of injectable drugs. : en fr
  • CH185511A - Cathode ray tube. : de en
  • SU47709A1 - Device for balancing the opening part of movable bridges : en ru
  • US2049257A - Offset printing press : en
  • CH185420A - Process for the preparation of a new condensation product of the anthraquinone series. : de en
  • DE633295C - Circuit arrangement for telephone systems with connection points of different classes : de en
  • FR801149A - Device for attaching tea towels, towels, etc. : en fr
  • US2049156A - Mine car coupling : en
  • US2048682A - Electric tube welding machine : en
  • CA359419A - Filter : en fr
  • US2048825A - Rotary internal combustion engine : en
  • US2048905A - Abrasive article : en
  • CH185401A - Machine for the manufacture of flat twines. : en fr
  • FR801245A - Improvement in electro-magnetic relays : en fr
  • FR801210A - Improvements to foundry model plates and their production process : en fr
  • GB451145A - Improvements in or relating to beacons for air-craft and the like : en
  • FR801107A - Apparatus for hardening the surface of chevron gear wheels by means of the torch : en fr
  • FR801202A - Method and device for anchoring propeller blades, in particular made of light metal : en fr
  • GB451171A - Improvements in or relating to the manufacture of pen knife blades from steel strip : en
  • CH185469A - Method of joining curved metal elements by arc welding. : en fr
  • FR801318A - Device silencing all internal combustion engines, by expansion and cooling of the exhaust gases : en fr