• US2212983A - Air conditioning system : en
  • USD122183S - Christmas stocking or similar article : en
  • CH211163A - Suction and pressure valve on compressors. : de en
  • CH211253A - Pistons, in particular for internal combustion engines. : de en
  • AU111292B2 - Improvements in or relating to ultra short wave apparatus : en
  • SU57728A1 - Photo decoder : en ru
  • DE695563C - witness in the room : de en
  • SU57719A1 - Arrangements for automatic assembly on wire frames of brackets coming out of an automatic stamping machine : en ru
  • CH211197A - Electric discharge tube with a wall made at least partially of metal. : de en
  • CH211127A - Keyboard mechanics on harmonicas. : de en
  • US2212654A - Process for preparing quaternary ammonium compounds and intermediates therefor : en
  • US2212902A - Piston expander : en
  • CA390906A - Surgical protective device : en fr
  • USD122230S - Design foe a dkess : en
  • USD122186S - Design for a dress : en
  • GB525365A - Improvements in sensitized photographic emulsions : en
  • GB525587A - Improvements in gaseous fuels : en
  • AT159383B - Arrangement for cooling the anode of an X-ray tube. : de en
  • DE695647C - Process for the production of soaps or higher molecular fatty acids : de en
  • AT159444B - Dynamo wire. : de en
  • CH211172A - Fuel injection valve. : de en
  • US2212620A - Audible signaling device for use with tanks : en
  • CA390914A - Detachable drill bit : en fr
  • USD122173S - Design for a bowl : en
  • CH211130A - Device for practice shooting for steep railway guns. : de en
  • CH211188A - Rheostatic type electric regulator. : en fr
  • US2212965A - Process for effecting carbazole ring formation of compounds of the anthraquinone series : en
  • ES145921A1 - Acoustic arm for phonographs. : en es
  • US2213092A - Damper control for unit heaters : en
  • GB525267A - Improvements in or relating to sparking plug electrodes : en
  • GB525585A - Improvements in or relating to means for electrically heating pipe-lines : en
  • AU111293B2 - Improvements in or relating tothe headlamps of motor vehicles : en
  • CH211126A - Fastening element for objects to be clipped on, in particular for Christmas tree candle holders and Christmas tree decorations, and method and device for producing the same. : de en
  • CH211219A - Machine for closing bags and the like. : en fr
  • CH211230A - Sports shoe. : de en
  • DE695474C - Process for lightening and improving the odor of brown coal and shale oils : de en
  • US2213036A - Carburetor structure : en
  • AT159378B - Process for the preparation of esters of polycyclic oxy compounds. : de en
  • CH211133A - Bore checker. : en fr
  • CH211097A - Device to prevent the accumulation of dust on winding machines. : de en
  • DE695618C - The simultaneous production of a large number of one piece and up to about 7m long, cylindrical and tubular bodies made of natural hard stone or other hard materials : de en
  • CA390999A - Tire manufacture : en fr
  • USD122209S - Design for a coat : en
  • US2213112A - X-ray tube : en
  • ES145758A1 - A two-stage process to dissolve plants with silicic acid content, in particular wheat straw, converting them into very pure cellulose. : en es
  • FR857201A - Press for the manufacture of metal tubes, in particular cable tubes : en fr
  • US2213008A - Trestle : en
  • DE695467C - Bell or disk for wet or waterless gas containers : de en
  • DE695522C - Gear change gearbox with constantly changing gear ratio, especially for motor vehicles : de en
  • DE695669C - Automatic speed change gear for all means of transport moved by muscle power : de en
  • US2212702A - Case stacker : en
  • CA390936A - Vulcanizing machine : en fr
  • CH211144A - Electric timepiece. : en fr
  • US2212776A - Movable carrier for winding bobbins in winding frames : en
  • US2213103A - Energy absorbing device : en
  • US2212496A - Alloy steel : en
  • US2212688A - Cooling means for rotating mandrel bars : en
  • US2213138A - Method and apparatus for detecting oil in well drilling : en
  • US2212737A - Means for broaching gears : en
  • US2212508A - Conveyer system and automatic stopping and starting mechanism therefor : en
  • US2212837A - Clasp : en
  • US2213007A - Electromagnetic holding device and demagnetizer : en
  • US2212531A - Ethers of durohydroquinone and process of preparing them : en
  • FR857182A - Method and apparatus for obtaining photographic recordings of living objects and the like : en fr
  • GB525481A - Improvements in power-transmission clutch mechanism : en
  • FR857119A - Single-wheel folding cart with low and balanced load, with movable center of gravity : en fr
  • DE695551C - Rectifier moving coil measuring device with high coil inductivity : de en
  • CH211252A - Rotary piston machine. : de en
  • US2212501A - Apparatus for producing carbon black : en
  • US2212571A - Union : en
  • US2212593A - Procefs for the production of : en
  • US2213148A - Angle gauge : en
  • AT159399B - Electron tubes, especially for very high frequencies. : de en
  • CH211085A - Machine for chopping vegetables and food ingredients. : de en
  • DK57929C - Device with Torsional Vibration dampers. : da en
  • US2212855A - Combination tool head and grinding machine : en
  • USD122242S - Design for a coat : en
  • AT159440B - Method for testing ready-to-use assembled apparatus and small machines for their resistance to rapid alternating loads (shaking movements). : de en
  • US2213011A - Machine for cutting tile and like articles : en
  • US2212575A - Apparatus and method of treating bulk material : en
  • GB525370A - Improvements in and relating to sliding contact members (e.g. machine parts) : en
  • PL29195B1 - Device for distributing cooling air in vehicles with rear engine. : en pl
  • US2212767A - Amide derivatives of 3,5-dimethylisoxazole carboxylic acids : en
  • AU459039A - Compounded oil : en
  • US2213135A - Handsaw : en
  • DE695706C - Two-part mantle stone for chimneys : de en
  • GB525482A - Improvements in table lamps : en
  • USD122245S - Design for a dress : en
  • FR857112A - Radial hitch for towing : en fr
  • FR857141A - Manufacture of magnetic cores for pupin coils and others : en fr
  • US2212896A - Fastener : en
  • US2212823A - Tensioning device for cord drive : en
  • US2213125A - Manufacture of materials resembling crepe : en
  • CA390954A - Polymerization process : en fr
  • DE695478C - Switching device for electric lamps that have multiple light sources besides lighting for so-called air protection lighting : de en
  • GB525372A - Cover or bottom provided with packing material for preserve tins or like containers : en
  • FR857144A - Installation for the harvest recipe : en fr
  • GB525435A - Improvements in the selecting mechanism of jacquard operated gripper looms for pile fabrics : en
  • GB525498A - Improvements in sanitary traps : en
  • GB525530A - Improvements relating to pickets for use in fencing off access to places or areas : en
  • ES145945A1 - A new injector for explosion engines. : en es
  • DE695580C - Planing machine for processing pyramid-like bodies, especially square blocks : de en
  • FR857188A - Support devices for electric motor-fans of household appliances : en fr
  • FR857199A - Liner for card spinners, cotton cards, etc. : en fr
  • ES145797A1 - A protection filter for all toxic gases, vapors and mists, including carbon oxide. : en es
  • GB525539A - Improvements in and relating to gun carriages, ammunition waggons and the like : en
  • CA390911A - Hydraulic coupling : en fr
  • DE695527C - deformable building material, especially for aluminum pipes : de en
  • US2212712A - Bottle top covering : en
  • US2212813A - Apparatus for the concentration of acids : en
  • AU111297B2 - An improved device for joining tubular members : en
  • CH211247A - Process for the preparation of a new quaternary ammonium compound. : de en
  • DE695596C - Procedure for deleting short-circuits in inverters caused by exceeding the step limit inside the vessel : de en
  • AT159420B - Catalyst. : de en
  • CH211225A - Device for converting a single-seat bicycle into a tandem. : de en
  • DE695629C - Device for extracting pipes and similar devices from deep boreholes : de en
  • DE695746C - Incandescent lamp with automatic power interruption, especially for mine lamps : de en
  • FR857180A - Process for improving the strength and heat of articles made of polyvinyl chloride, polyvinyl chloride, additionally chloride or mixed polymerization products, which contain polyvinyl chloride : en fr
  • US2212892A - Fruit pitting machine : en
  • USD122231S - Latent office : en
  • DE695443C - Process for the production of neutral aluminum salts from carboxylic acids : de en
  • US2212521A - Chemical substance and use thereof : en
  • US2212931A - Trainer for airplane pilots : en
  • US2213009A - Egg candler and dater : en
  • US2212693A - Headlight : en
  • US2213108A - Spray painting machine : en
  • ES145805A1 - A process for gas turbines and gas turbine for the realization thereof. : en es
  • GB525361A - Improvements in or relating to motion-picture camera apparatus : en
  • GB525497A - Improvements in or relating to electric cables : en
  • AU111264B2 - Improvements in high-pressure metal-vapour electric discharge lamps : en
  • DE695517C - Self-collecting tank system : de en
  • US2212663A - Refrigeration : en
  • US2212515A - Method of making shoes : en
  • US2212800A - Centrifugal electrical switch : en
  • US2213106A - System of metal shelves displaceable for bookcases and similar articles : en
  • US2212967A - Television and like transmitting system : en
  • USD122170S - Design for an illtjminable display device : en
  • US2212839A - High frequency tuned circuits : en
  • DE1490675U - : de en
  • FR857221A - Two-wheel trailer fitted with an automatic braking device and an emergency brake device : en fr
  • PL29207B1 - Tefi - Apparatebau Dr. Daniel K.-G., Cologne. A camera for reproducing sounds from a recirculating tape recorder. : en pl
  • GB525275A - Improvements in high-pressure vessels : en
  • GB525437A - Apparatus for drying rags, textile material and such like : en
  • FR857169A - Process for separating organic mixtures : en fr
  • GB525453A - Improvements in or relating to the construction of cooling towers or similar structures : en
  • US2212563A - Refrigerator door latch : en
  • ES145824A1 - Propeller propeller for ducts, and in particular for water heating installations. : en es
  • US2212804A - Vacuum jar cap seal : en
  • ES145759A1 - A procedure for preparing a product that increases the performance of liquid fuels in engines. : en es
  • ES145862A1 - A procedure for the preparation of insecticidal and fungicidal products. : en es
  • US2212677A - Sweeper : en
  • GB525319A - Improvements in and relating to devices for holding catamenial bandages in place : en
  • GB525535A - Improvements in cushions for billiard and the like tables : en
  • GB525371A - Improved process for dyeing casein artificial fibre : en
  • CH211185A - Electric cable for the transmission of high frequency pulses. : de en
  • PL29215B1 - Rudolf Sandell, Stockholm. Egg packing box. : en pl
  • US2212769A - Spring suspension : en
  • GB525378A - Improvements in thermionic valves adapted for operation at very high frequencies : en
  • GB525272A - Improvements in and relating to closures for high pressure containers : en
  • GB525307A - Manufacture of new derivatives of compounds of the suprarenal cortex hormone series : en
  • GB525501A - Improvements in or relating to the extraction of wax from peat by means of solvents : en
  • ES145951A1 - A long-term cylinder exhaust, particularly applicable to time fuzes with movement of watch movements. : en es
  • GB525352A - Improvements in or relating to gas cookers : en
  • US2212611A - Adhesive composition and method of preparing same : en
  • US2212861A - Coin chute : en
  • USRE21541E - Pump runner assembly : en
  • US2212665A - Double-acting engine : en
  • USD122108S - Design for a spoon ob similar article : en
  • FR857157A - Improvement in the operation of spark plugs used to ignite gases in internal combustion engines : en fr
  • US2212895A - Process for the preparation of acyl sulphides and products resulting therefrom : en
  • US2212924A - Production of phthalocyanine pigments : en
  • US2212937A - Binder tab for web rolls : en
  • US2212664A - Electrical lamp : en
  • US2213156A - Insect repellent : en
  • AU111281B2 - Improvements inbox making machines : en
  • FR857084A - : fr
  • FR857138A - Device intended for extinguishing fires in fagnes, plains, steppes, firebreaks, etc. : en fr
  • FR857235A - Anti-ptosis corset : en fr
  • DE695585C - : de en
  • DE695741C - Fastening device for devices to be attached to rails : de en
  • CA390941A - Thermoplastic derivative of rubber : en fr
  • AT159367B - Arrangement for synchronous actuation of pushbutton switches without the aid of special control lines. : de en
  • GB525555A - An improved automatic valve device : en
  • CH211128A - Crampon. : de en
  • US2213076A - Electron multiplier : en
  • DE695548C - Arrangement for coupling two independently fed alternating current networks with any small frequency difference : de en
  • ES145776A1 - A device for the movement of the ink ribbon in the stenographic machines. : en es
  • ES145957A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 145826 : en es
  • FR857159A - Guillotine frame and paneled vasistas on the same plane : en fr
  • GB525464A - Improvements in and relating to temporary roads and cart tracks : en
  • ES145812A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE MAIN PATENT NUMBER 144414 : en es
  • ES145847A1 - An improvement in measuring and regulating devices. : en es
  • US2212690A - Piercer point : en
  • FR857208A - Process for the oxidation of hydroaromatic compounds : en fr
  • GB525494A - Improvements in or relating to abrasive products and grindstones and other tools employing the same : en
  • CH211136A - Scales with automatic display of the percentage increase in weights. : de en
  • CH211183A - Method and device for ensuring intimate contact between two immiscible fluids. : en fr
  • US2212917A - Inorganic chrome pigment production : en
  • US2212921A - Potential divider : en
  • US2212947A - Control for tape pullers : en
  • USD122208S - Design for an elastic fabric : en
  • GR9178B - MACHINE FOR COATING, GRINDING AND COPYING ON THE SURFACE OF WAXED FABRICS (TILES) OF VARIOUS COLORS AND DESIGNS. : el en
  • US2212751A - Topper : en
  • US2213019A - Control attachment for fishing lures : en
  • USD122134S - Design fob a dress : en
  • USD122244S - Design for a dress : en
  • CA390964A - Transformer for band-pass selectors : en fr
  • AT159421B - Process for mercerizing. : de en
  • ES145942A2 - Projectile fuze. : en es
  • US2212879A - Electric discharge lamp : en
  • GB525590A - Improvements in processes for protecting articles of magnesium and its alloys from corrosion : en
  • US2212535A - Seconds setting mechanism for watches or clocks : en
  • AU111298B2 - Container for storing gas samples : en
  • US2212652A - Instrument : en
  • CA390997A - Electric current rectifier manufacture : en fr
  • CH211117A - Process for the production of acid and alkali-resistant compounds that harden quickly in the cold. : de en
  • US2212798A - Parting flange or divider for drilling drums : en
  • DE695657C - Button with a fabric-covered upper part and a lower part that can be pressed into this : de en
  • CA390900A - Demountable insulation jacket : en fr
  • US2212527A - Jar lifter : en
  • DE695720C - Electrical monitoring device for pneumatic tires in twin arrangement on vehicles : de en
  • US2213058A - Umbrella : en
  • FR857246A - Electronic discharge devices : en fr
  • AT159449B - Process for the production of wool-like staple fibers from mixed solutions of keratin and cellulose. : de en
  • FR857117A - Process for the solidification of yogurt : en fr
  • GB525309A - Improvements in change speed gearing : en
  • GB525429A - Improvements in or relating to automatic gas-operated firearms : en
  • GB525540A - Improvements in knitting machinery : en
  • DE695582C - Venting device for a fluid brake, especially for motor vehicles : de en
  • ES145915A1 - Device for the passage of current in sputtering apparatus. : en es
  • GR9187B - TYPE OF PACKAGING FOR LIP LIPSTICK. : el en
  • CA390910A - Garment pocket : en fr
  • CH211236A - Process for the preparation of a condensation product which can be used for pest control. : de en
  • CA390989A - Geophysical exploration method : en fr
  • US2212625A - Television antenna : en
  • USD122143S - Design for an embroidered fabric : en
  • US2212711A - Hoist for building material : en
  • DE695541C - Thermal storage with alternating operation for converting hydrocarbons and carbon oxides with water vapor : de en
  • DE695703C - Closure for handbags and briefcases : de en
  • GB525558A - Improvements in or relating to radial drilling machines : en
  • US2212964A - Refrigerator cabinet : en
  • US2212891A - Blasting device : en
  • ES145969A1 - Improvements in liquid counters. : en es
  • GB525337A - Improvements in or relating to liquid lip rouge preparations : en
  • DE695487C - Device for attaching curtains and drapes : de en
  • GB525354A - Improvements in ball-and-socket joints : en
  • GB525565A - Method and apparatus for the combustion of solid fuel in furnaces : en
  • DE695617C - Electric traffic light system with a backup signal circuit : de en
  • CA390961A - Polyvinyl halide composition : en fr
  • CH211238A - Process for the preparation of a condensation product which can be used for pest control. : de en
  • DE695731C - Welding blade : de en
  • ES145953A1 - A process for the manufacture of briquettes of magnesium powder. : en es
  • ES145984A1 - A new procedure for the gravure application on the metal in a direct way. : en es
  • CA390942A - Cementitious wallboard : en fr
  • US2212689A - Combined ingot car and stool : en
  • US2212914A - Slidable bolt fastening for attache and suit cases and the like : en
  • GB525549A - Improvements in photographic and cinematographic three-color film and method of making same : en
  • US2212517A - Trailer hitch : en
  • DE695663C - Working method for rotary piston internal combustion engines : de en
  • USD122121S - Design for a game board : en
  • US2212704A - Canned oil dispenser : en
  • US2212784A - Well casing perforation cleaner : en
  • US2212939A - Pump : en
  • CH211244A - Process for the preparation of a new mixture of quaternary ammonium compounds. : de en
  • DE695544C - Absorption cold apparatus : de en
  • FR857168A - Precession degree of freedom gyroscope : en fr
  • AU111284B2 - Improvements in or relating to navigation aiding radio systems : en
  • US2212721A - Electrical signaling system : en
  • IE18184L - Rubber or plastic articles : en
  • ES145901A1 - Method for the manufacture of condensation products of high molecular weight. : en es
  • GB525333A - Improvements in and relating to electric fuzes for bombs : en
  • DE694820C - Method and shaking device for beating liquids : de en
  • US2213182A - Electric glow discharge tube : en
  • GB525360A - Improvements in or relating to radio transmitting apparatus : en
  • GB525495A - Improvements in or relating to cigarette collecting mechanism for use in a cigarettemaking machine : en
  • FR857115A - Back arc protection device : en fr
  • US2213002A - Wheel machining apparatus : en
  • DE695480C - Rotary potentiometer whose rotary shaft controls a switch at the same time : de en
  • FR857120A - Improvements to guiding radiobeacons by line of equal intensity : en fr
  • US2212819A - Apparatus for separating powdered materials : en
  • US2212623A - Mechanism for reproducing recorded sounds in toys : en
  • US2212938A - Foldable device : en
  • US2213166A - Ice crusher : en
  • FR857173A - Process for the production of hydrocarbons from carbonaceous materials : en fr
  • DE695712C - Spark plug : de en
  • GB525289A - Improvements relating to the mounting of electric fuses, cut-outs, connectors, linksand the like : en
  • GB525422A - Improvements in dials for indicating instruments : en
  • FR857131A - Diesel engine with combustion chamber in the piston : en fr
  • US2212648A - Synchronizing pulse generator : en
  • US2212786A - Production of sulphonyl chlorides of olefin polymers : en
  • US2212835A - Apparatus for reacting nitric acid and a metal chloride : en
  • US2213151A - Article support : en
  • DE695459C - Pipeline for hot gases, steam, etc. like : de en
  • DE695678C - Heat exchanger, consisting of sheets bent in a spiral shape : de en
  • ES145765A1 - A procedure for obtaining zinc. : en es
  • GB525268A - Apparatus for ascertaining the value of a desired function of a variable : en
  • ES145753A1 - Improvements in the manufacture of hydrocarbons used as anti-knock fuel for engines. : en es
  • DE695461C - Ram spade for making sheep : de en
  • ES145960A1 - Process for obtaining pyrimidine compounds. : en es
  • DE695625C - Process for driving round wood using the juice removal process : de en
  • DE695592C - Electrical high voltage gas switch : de en
  • GB525543A - Television method and arrangement for carrying out the same : en
  • GR9191B - IMPROVEMENTS OF COLOR PHOTOGRAPHIC ELEMENTS. : el en
  • US2212865A - Sanding device for automobiles : en
  • AT159373B - Combined toggle switch and push button switch. : de en
  • FR857154A - Metal seal for piston rods or similar : en fr
  • GB525603A - Improvements in or relating to electric wave filters : en
  • GB525582A - Improvements in or relating to traversing devices for yarn and like winding machines : en
  • US2212866A - Plastic chlorinated vegetable fibrous material : en
  • USD122247S - Zahn dress ensemble : en
  • CA390957A - Aliphatic polyurea compound : en fr
  • ES145834A1 - Procedure for obtaining soaps of fatty compounds by sulfanation of oils. : en es
  • GB525294A - Equipment for cleaning out byres and the like : en
  • GB525406A - Improvements in or relating to the attachment of straps, bands or the like to wrist-watch cases : en
  • GB525343A - Improvements in or relating to crystal controlled electron discharge tube oscillation generators : en
  • US2212697A - Regenerative furnace : en
  • US2212840A - Wave filter : en
  • GB525528A - Improved implement for cleaning the teeth : en
  • US2212863A - Evacuator : en
  • US2213078A - Variable resistance and method of making same : en
  • US2213119A - Aryloxy-polyalkylene ether iodides : en
  • US2212999A - File or like grinding mechanism : en
  • US2212534A - Heating plant : en
  • US2212827A - Hot cathode for high power : en
  • DE695612C - Hollow jacket pipe : de en
  • DE695648C - Rotary drum furnace for incineration and sintering of garbage : de en
  • FR857237A - A method of solid bonding rubber with fibrous materials applied internally or externally : en fr
  • GB525527A - Improvements in and connected with adjustable props for supporting re-inforced concrete shuttering, timber work, platforms, and for shoring work and such like : en
  • DE695457C - Mobile device for moving compost heaps or the like. : de en
  • GB525308A - Improvements in or connected with electrical toys and like models : en
  • GB525349A - Improvements in or relating to devices for containing and dispensing fluids : en
  • USD122142S - Design fob an embroidered fabric : en
  • GB525509A - Improvements in propeller pencils : en
  • US2212491A - Well washing device : en
  • US2212826A - Refrigerating system : en
  • US2212576A - Means for finishing motion picture screens : en
  • US2212682A - Convertible auto seat : en
  • DE695718C - Automatic device to prevent the drive wheels of motor vehicles from slipping : de en
  • GB525295A - Improvements in or relating to hair-dryers : en
  • GB525322A - Means for mounting panels such as vehicle windows in frames : en
  • US2212518A - Defecator with universal wall or floor outlet connection : en
  • GB525534A - Improvements in deterioration retarders : en
  • DE695482C - Rotating plate capacitor designed as a center line capacitor, the rotor and stator plates of which are each made from one piece : de en
  • DE695711C - t machines : de en
  • FR857197A - Improvements to paper bags : en fr
  • GB525280A - Improvements in or relating to the exchange or elimination of anions in liquids and the absorption of gases : en
  • US2213064A - Knife : en
  • GB525266A - Improvements in or relating to fluid-pressure apparatus for controlling the operation of brakes for aircraft : en
  • GB525444A - Improvements relating to the treatment of hydrocarbons with adsorptive catalysts : en
  • US2212580A - Multi-ply counter : en
  • USD122207S - Design for a bracelet : en
  • US2213150A - Rubber garment and form for making the same : en
  • DE695578C - Coin validator, especially for machines : de en
  • USD122213S - Design for a coat : en
  • US2212766A - Game apparatus : en
  • US2212824A - Applying device : en
  • US2212991A - Dough molding machine : en
  • US2213115A - Shelving : en
  • US2213139A - Increasing the wetting power of strong alkaline lyes : en
  • CA390932A - Helical spring manufacture : en fr
  • GB525445A - Improvements in devices wherein cathode rays excite luminescent material : en
  • US2213037A - Signal transmission system : en
  • US2212862A - Buckle : en
  • CH211072A - Device for lifting the bent-down rail ends on railway tracks. : de en fr
  • FR857136A - Improvements to launch trigger devices : en fr
  • ES145912A1 - Improvements in hydraulic shocks for shocks and in similar damping means operated by differential pressure. : en es
  • GB525362A - Improvements in and relating to show cards or display devices : en
  • GB525570A - Improvements relating to loose leaf binders : en
  • FR857152A - Ventilation device for airtight or gas impermeable clothing or the like : en fr
  • GB525598A - Improvements in friction ratchet mechanism applicable for tuning radio receivers : en
  • FR857225A - Bodywork, in particular for motor vehicles : en fr
  • US2213033A - Writing pen : en
  • US2213133A - Guided and protected electrical connection : en
  • ES145833A1 - Recorder system of sounds in cinematographic films. : en es
  • FR857236A - Manufacture of butadiene : en fr
  • US2212799A - Harmonic analyzer : en
  • US2212943A - Flushing device, more particularly for water closets : en
  • GB525452A - Improvements in and relating to means for heating parts of aircraft : en
  • GB525576A - Improvements in or relating to fastening means for corsets and like garments and to the method of applying the same : en
  • FR857109A - Machine for making ice cream : en fr
  • ES145975A1 - A procedure for the reduction of copper materials. : en es
  • ES145869A1 - A transportable machine with hopper for the uninterrupted production of closed channels, tubes or similar, underground. : en es
  • DE695463C - Automatic control device for wind turbines : de en
  • USD122112S - Design fob a clock : en
  • GB525256A - Improved ornithopter : en
  • AT159381B - Device for connecting a regulator which responds to a direct current to an alternating current network. : de en
  • ES145989A1 - Procedure for the preparation of new condensation products. : en es
  • US2212615A - Concrete road joint : en
  • FR857104A - Reading machine for the mechanical production of lockstitch mats : en fr
  • US2213098A - Pen for recording instruments : en
  • US2212507A - Device for conveying and counting packages : en
  • FR857176A - Process for preparing aqueous dispersions of highly polymeric organic materials : en fr
  • GB525470A - Improvements in and relating to thermionic valve circuits : en
  • GB525553A - Improvements in and relating to sheet metal doors : en
  • CA390944A - Liquid congealing apparatus : en fr
  • CH211091A - Device for clarifying liquids, especially viscose, when flowing through a pipeline. : de en
  • US2212770A - Process for forming films from synthetic linear polymers : en
  • US2212775A - Drum : en
  • US2213109A - Rolling and wrapping machine : en
  • US2213144A - Elastic top stocking and method for producing same : en
  • AU380139A - Improvements in binders for loose leaves andthe like : en
  • CH211259A - Process for the preparation of a new ester of estradiol. : de en
  • CH211227A - Device for the transmission of one or more signal aspects from the track to the train. : de en
  • GB525515A - Improvements in or relating to driving mechanism for presses or other machines : en
  • CA390940A - Secondary alkyl monosulphonate : en fr
  • ES145804A1 - A new elastic coupling. : en es
  • US2213061A - Television system : en
  • DE695690C - Separation of 1,4-dichloronaphthalene from mixtures of mono- and dichloronaphthalenes : de en
  • GB525411A - Improvements in stylographs : en
  • GB525287A - Improvements in pencil holders : en
  • US2213004A - Torsion rod mounting : en
  • DE695728C - Expandable mandrel with spring-loaded clamping sleeve : de en
  • GB525394A - Improvements in apparatus for playing indoor or lawn games : en
  • GB525486A - An improved loose-leaf binder : en
  • ES145793A1 - Process for the preparation of compounds of the partially esterified dihydrooestrin series, containing the free phenolic hydroxyl group. : en es
  • US2212568A - Modulated high frequency transmitter system : en
  • GB525552A - Improvements relating to domestic open fireplaces : en
  • FR857247A - Eclipsable chocks for aviation : en fr
  • USD122151S - White ct al stove : en
  • ES145967A1 - Improvements in the provision of feeding and ejection of cartridges of automatic weapons. : en es
  • US2212572A - Valve : en
  • FR857126A - Device for adjusting the play of the brake shoes : en fr
  • DE695591C - Rotating radio beacon : de en
  • DE695642C - Arc tear-off horn for electrical switches : de en
  • CA390988A - Woman's undergarment : en fr
  • AU111288B2 - Improvements in and relating to luminous electric discharge devices : en
  • AU1240A - Electric welding media : en
  • FR857163A - Device for transmitting several high frequency oscillation trains : en fr
  • GB525405A - Tuning device for radio receivers : en
  • CH211089A - Equipment on cooking kettles for opening and closing the lid. : de en
  • GB525502A - Improvements in and relating to card filing systems : en
  • ES145944A1 - A change of speed of several gears, especially destined for motor vehicles provided with three parallel trees. : en es
  • CH211147A - Magnesium alloy. : de en
  • USD122179S - Design fob a tobacco pouch : en
  • US2212656A - Stone sawing machine : en
  • US2212843A - Draft rigging : en
  • AT159393B - Device for making ice cream. : de en
  • AT159445B - Process for the production of a cocoa powder containing malt. : de en
  • US2212782A - Self-starting synchronous motor : en
  • US2212806A - Power transmission mechanism : en
  • GB525441A - Improvements in and relating to ferraris type of induction meters : en
  • GB525489A - Improvements in or relating to storage tanks : en
  • GB525566A - Improvements in or relating to machines adapted for use in the manufacture of pre-welted boots or shoes : en
  • DE695542C - Inking unit in high-speed presses : de en
  • PL29200B1 - A way to revitalize and accelerate plant growth and development. : en pl
  • US2212595A - Opposed twin cylinder engine : en
  • US2212850A - Installation for reducing nonlinear distortion in amplifyng systems : en
  • AT159382B - Thermal switch in connection with a holding relay. : de en
  • CH211206A - Solvent for hormones. : de en
  • US2212785A - Stop motion control : en
  • CA390994A - Joint for ceramic materials : en fr
  • CH211169A - Fuel injection system with hydraulic injection adjuster on internal combustion engines, in particular on diesel engines. : de en
  • DE695634C - Device for heating up slurries of solid carbonaceous substances for pressure hydrogenation : de en
  • CH211086A - Device for separating slag and coal from the ashes. : de en
  • CH211164A - Compressor. : de en
  • DE695679C - Step switch for regulating transformers : de en
  • ES145923A1 - Improvements in cisterns for molten glass and improvements related to them. : en es
  • USD122147S - Qttatiyq paxfmt : en
  • USD122161S - Dress ensemble : en
  • CA391005A - Concrete article making apparatus : en fr
  • AT159389B - Oil burner circuit with automatic monitoring of the circulation pump. : de en
  • US2212744A - Nub pile fabric : en
  • FR857139A - Lubrication system mounted on a vehicle traveling on rails and used to reduce the friction between the wheel flange and the side face of the rails : en fr
  • AT159400B - Induction gauges, especially for measuring changes in length. : de en
  • AT159435B - Television reception arrangement. : de en
  • US2213147A - Temperature-controlled lubricating system : en
  • CH211145A - Steel casting. : de en
  • CH211212A - System for carrier frequency telephony. : de en
  • DE695543C - Connection line for two vessels belonging to a continuous absorption apparatus : de en
  • US2212743A - Biscuit molding machine : en
  • US2212899A - Sulphurized lubricating oil : en
  • US2212803A - Automatic clutch control : en
  • BE438988A - Ribbons conveyor of sensitized materials for automatic and semi-automatic photographic machines. : en fr
  • CA391000A - Adhesive : en fr
  • CH211071A - Pole tongs. : de en
  • FR857151A - Carrier wave transmission system : en fr
  • PL29219B1 - Deutsche Edelstahlwerke Aktiengesellschaft, Krefeid. Alloy steel for the production of permanent magnets. : en pl
  • US2212617A - Film strip handling apparatus : en
  • US2212909A - Power unit for multiple oil wells : en
  • US2212783A - Cysteine sulphinic acid and method of the preparation thereof : en
  • FR857218A - Bayonet socket with branch terminals : en fr
  • CH211258A - Process for the preparation of a new ester of estradiol. : de en
  • DE695597C - Device for controlling discharge paths in gas or vapor-filled discharge vessels : de en
  • DK57931C - Crown-Cork-type bottle closure. : da en
  • US2212597A - Optology : en
  • US2213130A - Printing press : en
  • PL29221B1 - A device for generating steam on vehicles, especially cars running on rails or roads. : en pl
  • US2212878A - Harvester reel : en
  • US2212653A - Frequency changing and control apparatus : en
  • GB525304A - A milk boiler or saucepan : en
  • CA390926A - Refrigerant compressor : en fr
  • ES145870A1 - Process for obtaining ketones of cyclopentane-polyhydrophenanthrene series. : en es
  • GB525288A - Improvements in or relating to machines organized for use in performing cutting out operations on work-pieces : en
  • USD122139S - Design for a textile fabric : en
  • CA12851S - Shoe : en
  • AU391639A - Improvements in or relating to television receivers : en
  • US2212504A - Barricade and sign : en
  • US2212676A - Material grading or sizing machine : en
  • CH211075A - Electric water heater. : en fr
  • FR857238A - Gear change device : en fr
  • GB525363A - Improvements in electrically operated variable stroke reciprocators and pumps : en
  • GB525471A - An improved cigarette paper for filter-tip cigarettes : en
  • GB525522A - Improvements in method of and apparatus for canning : en
  • GR9184B - TUBE SOFTWARE FOR THE UPPER PART OF SPINNING OR SPINNING SHAFTS. : el en
  • CH211132A - Regulator with progressive and continuous operation for the adjustment of artillery projectile rockets. : en fr
  • DE695737C - Scrapers : de en
  • CH211223A - Automobile body. : en fr
  • US2212750A - Method of treating hides, skins, and pelts : en
  • US2212853A - Manifolding register : en
  • CH211198A - Piezoelectric arrangement. : de en
  • US2212650A - Splice for rods, cables, and the like : en
  • GB525579A - Improvements in and relating to hayloaders : en
  • AT159425B - Process for the preparation of alkyl ethers of resorcinol monocarbonic acid diethylamide or its homologues. : de en
  • CA390901A - Heat transfer device : en fr
  • CA390960A - Rudderless airplane : en fr
  • GB525520A - Improvements relating to mechanisms operated by fluid pressure for lifting implements of agricultural tractors : en
  • CH211218A - Device for displaying vibrations. : de en
  • AT159406B - Tanker filling facility. : de en
  • GB525561A - Improvements in or relating to photographic cameras : en
  • DE695567C - Valve cooled by a mercury alloy : de en
  • FR857249A - Process for manufacturing medical prosthesis materials, in particular dental prosthesis materials : en fr
  • FR857224A - Measuring device : en fr
  • ES145995A3 - Will valve system for water discharge appliances. : en es
  • US2212560A - Machine for washing silverware : en
  • US2213149A - Knitting machine : en
  • ES145822A1 - Shooting mechanism for loose and continuous shot of automatic weapons. : en es
  • ES145872A1 - Improvements in frequency reduction systems. : en es
  • US2212925A - Citrus fruit juicer : en
  • GB525398A - Improvements in or relating to electrical calculating apparatus : en
  • US2212774A - Pulley : en
  • GB525397A - Improvements in or relating to electrically-operated calculating equipment : en
  • ES145894A1 - An installation to prepare winders. : en es
  • USD122199S - Design fos a bkooch pin or similar. article : en
  • DE695653C - Electric high pressure discharge lamp for projection purposes : de en
  • DE695579C - Pressure-elastic body made of matted or woven metal wool, especially a plate for seals and documents : de en
  • FR857215A - Process for the manufacture of diethylenediamine : en fr
  • FR857228A - Advanced device for assembling pipes : en fr
  • ES145998A1 - A stove for heavy oils. : en es
  • DE695472C - Process for the production of piperidine and pyridine : de en
  • US2212869A - Reversible heating and cooling means and method : en
  • US2213088A - Precision gauge : en
  • US2212988A - Apparatus for transmitting and recording shot moments : en
  • USD122189S - Design for a display case : en
  • CA390974A - Sanitary napkin folding machine : en fr
  • CH211245A - Process for the preparation of a new quaternary ammonium compound. : de en
  • US2213081A - Safety device for cigar wrapper cutters : en
  • GB525510A - Improvements in or relating to electromagnetic circuit-breakers and the like : en
  • US2212978A - Garment hanger : en
  • US2212609A - Wiper : en
  • US2213131A - Purification of masses containing calcium hydroxide : en
  • GB525316A - Improvements in vapour condensers for motor-vehicles and particularly locomotives : en
  • ES145980A1 - A new procedure for the manufacture of paraffin. : en es
  • ES145956A1 - Improvements in load-bearing devices and shock or vibration dampeners. : en es
  • FR857107A - Method of pleating fabrics by weaving and products obtained : en fr
  • ES145993A3 - Valve mechanism for musical instruments. : en es
  • US2213100A - Call or warning system : en
  • US2212801A - Pliers : en
  • US2212922A - Hydraulic shock absorber : en
  • GB525314A - Improvements in or relating to consumer's package and methods of making consumer's package : en
  • GB525416A - Improvements in metal tubing and the manufacture thereof : en
  • US2212886A - Cutting tool : en
  • USRE21544E - Hydraulic mechanism for determin : en
  • US2212984A - Glass mold : en
  • PL29202B1 - Device for surface hardening of objects. : en pl
  • USD122138S - Design for a handbag : en
  • US2212671A - Suction cleaner : en
  • US2212553A - Apparatus for pulling over shoe uppers : en
  • GB525560A - Improvements in starting devices for internal combustion engines : en
  • FR857114A - Drive transmission, especially for cars with two engines : en fr
  • GB525504A - Improvements in or relating to engine starter drives : en
  • USD122232S - Child s coat : en
  • PL29175B1 - A method of giving the calcined material to the form of grains or pieces. : en pl
  • US2212567A - Drop dispensing bottle : en
  • DE695705C - Backstop device for hydraulically moved pistons : de en
  • PL29212B1 - Automatic fire extinguisher. : en pl
  • US2213039A - Water shut-off method and composition for wells : en
  • USD122224S - Design fob a dress : en
  • SU57760A1 - Machine for measuring and sorting parts : en ru
  • US2212844A - Apparatus for casting hollow bodies : en
  • USPP418P - Peach tree : en
  • US2212771A - Safety lock : en
  • ES145807A1 - A MONOLYTIC CONSTRUCTION OF A CEMENT MIXTURE WITH A METALLIC FRAME OF MULTIPLE TUBULAR ELEMENTS : en es
  • GB525273A - Improvements in cigarette packets and/or boxes : en
  • GB525276A - Improvements in or relating to the de-polymerisation of polystyrene : en
  • GB525326A - Machine for roughing, cutting up, chiseling or the like natural and artificial stones and surfaces formed therefrom : en
  • GB525377A - Improvements in combined refrigerating and water heating apparatus : en
  • US2213044A - Bumper structure : en
  • GB525428A - Improvements in projectiles for firearms the barrel of which tapers from the breech to the mouth : en
  • ES145814A1 - A DEVICE FOR A BETTER USE OF THE ENERGY OF EXHAUST GASES FROM EXPLOSION ENGINES FOR AIRPLANE POWER : en es
  • ES145813A3 - A procedure and mechanical system for manufacturing zippers with special devices that allow their manufacture automatically, by stamping the notches or links and adhering them to the textile tape simultaneously and automatically in : en es
  • GB525260A - Improvements in or relating to liquid cooled cylinders of internal combustion engines : en
  • ES145754A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 139082 : en es
  • GB525571A - Improvements in and relating to apparatus and systems for the photographic recordingof sound : en
  • USD122155S - Design for a combined culinary beat- er and mixer, or similar article : en
  • USD122158S - Design for a dress : en
  • DE695571C - Impeller pump for liquids and gases : de en
  • DE695652C - Switching device as a flow distributor for heavy boilers to which a water heating system is also connected : de en
  • US2212918A - Brake : en
  • GB525430A - Furnace plant for melting and refining metals and metallurgical products : en
  • GB525575A - Improvements relating to contact towers, dephlegmators and other chemical towers : en
  • US2212596A - Display card : en
  • US2212728A - Shock resisting lamp receptacle : en
  • DE695704C - Backstop device for hydraulically moved pistons, especially for lifting equipment : de en
  • DE695476C - Circuit arrangement for a regulating transformer for stage lighting : de en
  • ES145963A1 - Process for obtaining condensation products of aldehyde from aminotriacines. : en es
  • ES145991A1 - Improvements in the bending mechanisms of the edges of can containers in the closing machines in which the leg remains fixed during the folding operation. : en es
  • US2213016A - Air conditioning means for automobiles : en
  • USD122135S - Design for a toothbrush : en
  • ES145831A1 - A mechanical procedure to remove the monolithic mesh coupling from the straight cement-asbestos tubes in a fresh state. : en es
  • GB525440A - Improvements in or relating to a method of providing fibrous materials with a finishing coating or varnish : en
  • AT159387B - Automatic oil firing system. : de en
  • USD122136S - Engel dress ensemble : en
  • ES145876A1 - A procedure for the preparation of synthetic rubber. : en es
  • US2212636A - Vehicle chassis : en
  • CH211251A - Device for holding tubular or rod-shaped components. : de en
  • ES145854A1 - Process for the manufacture of agglomerates of mineral or vegetable coals. : en es
  • CH211167A - Multi-stage steam or gas turbine, the first stage gradient of which is subcritical and to which additional working fluid is supplied to increase the efficiency. : de en
  • GB525538A - Improvements in or relating to protective arrangements for windows and similar openings : en
  • US2212975A - Color projector : en
  • ES145910A1 - Brush system for machines to wash bottles and similar containers. : en es
  • US2213101A - Cash register : en
  • US2213175A - Television transmitting tube and system : en
  • AT159364B - Device for length measurement on an electromagnetic basis. : de en
  • AT159417B - Method and device for hardening bearing shells made of iron alloys. : de en
  • US2212846A - Game : en
  • ES145977A1 - Zip closure adapted in tape with heel trim. : en es
  • DE695593C - Overcurrent carrier fuse : de en
  • DE695713C - Centrifugal pump built into the vapor separator of the cooling circuit of evaporative cooling systems for internal combustion engines, which is arranged behind the cooling jacket : de en
  • US2212758A - Panel construction for buildings : en
  • CH211192A - Fuse cartridge with a rectangular cross section of the cartridge body. : de en
  • DE695643C - Switching device consisting of several contactors : de en
  • CH211232A - Process for the preparation of a condensation product which can be used for pest control. : de en
  • SE99715C1 - : en
  • SU57816A1 - Device for weighing piece goods : en ru
  • DK57921C - Apparatus for converting a high DC voltage to a lower AC voltage. : da en
  • GB525602A - Improvements in hair-cutting machines, such as electrically-driven shaving apparatus : en
  • US2212696A - Tool suspension : en
  • CA390977A - Girder clamping device : en fr
  • FR857223A - Flexible conductors for high frequency transmission : en fr
  • GB525356A - Improvements in and relating to trucks, bogies and the like : en
  • GB525465A - Improvements relating to high pressure mercury-vapour electric discharge tubes : en
  • SU57737A1 - Stereoscopic television method : en ru
  • US2212927A - Lead covered multiconductor electric telephone cable : en
  • US2213020A - Electrical connection : en
  • US2213107A - Ultracentrifuge : en
  • USD122137S - Combined electric heating element and terminal plug unit : en
  • USD122166S - Design foe, a shoe ob similar article : en
  • DE695587C - of liquid mixtures : de en
  • US2212547A - Device for determining pressure in gun bores : en
  • US2213143A - Knitting machine : en
  • GB525557A - Improvements in and relating to telephone and other electric wave transmission systems : en
  • ES145904A1 - A saturation process of anhydrous ammonia in aqueous solution. : en es
  • FR857128A - Improvements to multiplying machines : en fr
  • GB525382A - Improvements in devices or apparatus for providing a variable speed drive : en
  • DE695721C - Fresh storage cabinet for tobacco products : de en
  • DE695729C - Motor vehicle with He lying in front of the rear axle : de en
  • DK57920C - Electric Timer. : da en
  • US2212612A - Manufacture of shoes : en
  • ES145929A1 - An artillery gun for marine guns. : en es
  • DE695559C - Centrifugal casting machine : de en
  • FR857121A - V-belt reinforced with steel wires or blades : en fr
  • ES145926A1 - IMPROVEMENTS IN THE MANUFACTURE OF PIPE FITTINGS : en es
  • FR857146A - Ethylene oxide manufacturing process : en fr
  • FR857191A - Improvements in balls for tennis and similar games, and in the manufacture of such balls : en fr
  • GB525592A - Improvements in or relating to electric switches for alternating current circuits : en
  • US2212987A - Casting apparatus : en
  • USD122115S - Design for a buckle ob similar article : en
  • AT159413B - Bell made of fireproof material to seal off the air at the welding point during arc welding. : de en
  • ES145941A1 - Projectile fuze. : en es
  • AU379239A - Improvements in or relating to bottles : en
  • US2212613A - Stature increasing shoe : en
  • US2212818A - Bolter : en
  • US2212868A - Timing mechanism : en
  • US2213045A - Power assembly : en
  • US2212710A - Refrigerator : en
  • CA390916A - Throttle control lever : en fr
  • FR857106A - Method and apparatus for checking spark plugs : en fr
  • GB525383A - Improvements in or relating to electric fuse contacts : en
  • CA390979A - Drainage pipe : en fr
  • CH211090A - Storage containers for food. : de en
  • DE695464C - Process for incinerating, sintering and melting garbage : de en
  • CH211205A - Process for the preparation of 7,8-dimethyltocolbenzoate. : de en
  • CH211111A - Process for the preparation of compounds of the cyclopentanopolyhydrophenanthrene series containing hydroxyl groups. : de en
  • CH211166A - Steam turbine, the housing of which is divided into an upper and lower half in a horizontal, axial plane, and which has guide channel groups connected to chambers of these housing halves. : de en
  • CA390937A - Bowden mechanism : en fr
  • CH211123A - Bearing axle for reels for winding up tape or thread-like material, in particular for reels for cinematographic films. : de en
  • CH211204A - Process for making a suppository base. : de en
  • CH211139A - Sound reproduction system. : de en
  • AU111263B2 - Improvements relating to roof, walland pavement lighting : en
  • CA391002A - Knob securing means : en fr
  • AT159390B - Lens shutter, in particular for serial image devices. : de en
  • CH211208A - Heating bag for hair treatment. : en fr
  • AU111268B2 - Improvements in reaper-binders and like implements : en
  • PL29194B1 - Device for auxiliary lighting in motor vehicles. : en pl
  • CH211109A - Device for emptying chocolate molds or the like. : de en
  • CH211177A - Centrifugal force speed regulator. : en fr
  • DE695547C - Ice box : de en
  • PL29182B1 - Method of obtaining anti-rust coatings. : en pl
  • PL29208B1 - Ringhoffer - Tatra-Werke A. G., Prague-Smichov. Location and suspension of the steering wheel, especially in motor vehicles. : en pl
  • US2213003A - Self-energizing hydraulic internal expansion brake : en
  • CH211142A - Waterproof watch box. : en fr
  • ES145982A3 - A procedure and device for the manufacture of bars and similar objects of metal and metal alloys of all kinds provided with excellent qualities. : en es
  • US2212528A - Method and apparatus of melting and fining glass : en
  • US2212968A - Facsimile synchronizing system : en
  • DE695524C - Process for the production of valuable, also low-boiling hydrocarbons from coal, tar : de en
  • GB525278A - Improvements in priming means for self-priming pumps : en
  • GB525302A - Method for impregnating paper with preservatives : en
  • US2212934A - Brake for vehicles : en
  • US2212877A - Golf teeing device : en
  • US2213043A - Blowpipe : en
  • US2213153A - Poultry feeder : en
  • AU111260B2 - Process for the manufacture of zinc compounds : en
  • CH211070A - Shutter device for household waste outlets. : en fr
  • CH211187A - Device for the electrical control of a mobile station, in particular for weapons, projectors, etc. : en fr
  • CH211210A - Device for determining the size of masks appropriate for various individuals. : en fr
  • ES145987A1 - Procedure to improve the solidity and appearance of garments of all kinds. : en es
  • AU437339A - Improvements in ovens : en
  • CH211181A - Machine for making ice cream. : de en
  • DE695639C - Procedure for the representation of Cinchon : de en
  • GB525567A - Improvements in or relating to shoe-bottom pressing apparatus : en
  • US2212539A - Jack : en
  • CH211196A - Relay whose armature position depends on the state of a control circuit. : de en
  • CH211096A - Sensing device with thread feeler wheel. : de en
  • CH211068A - Method and device for dehumidifying and keeping dry masonry, e.g. B. such of buildings. : de en
  • AT159438B - Device for unloading tilting vessels. : de en
  • DE695534C - Support mast for lights or the like : de en
  • DE695602C - Process for the production of soaps or carboxylic acids from oxidation products of higher molecular weight, non-aromatic hydrocarbons : de en
  • FR857200A - Bourroiche : en fr
  • DE695659C - Drum tedder : de en
  • US2213013A - Playing ball : en
  • DE695586C - Circuit arrangement, especially for emergency call systems, for identifying the calling subscriber in a central office : de en
  • CH211143A - Device for actuating a chronograph mechanism. : en fr
  • CA390919A - Marine anchor : en fr
  • GB525368A - Improvements in or relating to bearings and the lubrication thereof : en
  • USD122128S - Design for an electric broiler : en
  • ES145859A1 - A portable and removable house system. : en es
  • ES145887A1 - Olives grinding system. : en es
  • US2212893A - Spark plug : en
  • ES145842A1 - Improvements in pipe joints and packing rings for their use. : en es
  • GB525595A - Improvements in electric discharge tubes : en
  • GB525346A - Improvements in and relating to sliding clasp fasteners : en
  • USD122240S - Design fob a dress : en
  • US2212541A - Shock absorber : en
  • US2212874A - Die : en
  • GB525503A - Improvements in or relating to valves : en
  • ES145874A1 - Procedure for obtaining cyclic ketones from the saturated or unsaturated cyclopentane-polyhydrofenanthrenic series. : en es
  • CH211162A - Transportable winch. : en fr
  • US2212658A - Rail anchor stabilizer : en
  • AU377239A - Process for the manufacture of zinc compounds : en
  • CH211112A - Process for the production of a compound which is swellable to soluble in water. : de en
  • FR857227A - Back brush holder handle : en fr
  • ES145938A1 - A tray-file. : en es
  • DE695526C - Circuit arrangement for telephone systems with several exchanges and dialer operation : de en
  • US2212667A - Pumping apparatus : en
  • GB525351A - Improvements relating to roller mills for cereal grain : en
  • GB525524A - Guiding mechanism for movable rails used in ring spinning or twisting frames and such like : en
  • DE695489C - Process for the production of pulp : de en
  • AT159423B - Process for the production of higher molecular weight imidazolines. : de en
  • ES145968A1 - Improvements in the epicyclic systems, especially for transmissions, such as progressive speed changes. : en es
  • GB525320A - Improvements relating to the opening of artificial textile fibres : en
  • GB525439A - Improvements in dry gas meters : en
  • US2212669A - Method of and machine for forming end caps for coil packages : en
  • US2212790A - Shopping bag : en
  • US2212998A - Hydraulic door operating device : en
  • CH211195A - Electric discharge tube. : de en
  • GB525456A - Improvements in or relating to the manufacture of condensation products : en
  • GB525584A - Improvements in or relating to means for electrically heating pipe-lines : en
  • DE695708C - Pistons for internal combustion engines : de en
  • DE695492C - Exhalation valve for gas masks : de en
  • DE695581C - Screw connection of aircraft components : de en
  • GB525500A - Improvements in or relating to spraying nozzles suitable for water cooling towers : en
  • GB525271A - Improvements in motor tractors for farm implements and other purposes : en
  • FR857178A - Process for the preparation of oily condensation products : en fr
  • ES145880A1 - Device for fuel injection in internal combustion engines. : en es
  • GB525380A - Improvements in devices having sealed vitreous envelopes through which pass electricconductors : en
  • DE695628C - Process for drying ceramic bodies through the action of high-frequency alternating fields : de en
  • GB525556A - Improvements in or relating to the manufacture of laminated wood structures : en
  • GB525591A - Improvements in or relating to the manufacture of steel by the basic bessemer process : en
  • ES145933A1 - Improvements in light reflector systems. : en es
  • FR857123A - Process for the preparation of new ethers-salts of the oxystilbene series : en fr
  • GB525604A - Improvements in electric incandescent lamps : en
  • DE695595C - elstrom by means of grid-controlled discharge paths : de en
  • GB525516A - Improvements in the manufacture of polyamides : en
  • FR857241A - Device for teaching music : en fr
  • GB525329A - Improvements in or relating to calculating installations and apparatus : en
  • DE695521C - Automatic control for liquid pumps : de en
  • ES145955A1 - A smoking paper dispensing device. : en es
  • FR857125A - Bodywork, in particular for motor vehicles : en fr
  • ES145819A1 - Procedure for obtaining derivatives of 6-oxy-8-aminoquinoline. : en es
  • GB525293A - Improvements relating to handwheels : en
  • GB525339A - Improvements relating to key touch regulating mechanism for typewriting machines : en
  • US2212930A - cochrane : en
  • US2212814A - Snubber : en
  • US2213116A - Flexible oil seal : en
  • ES145985A1 - New system of electrical insulation tubes and their accessories without metallic lining based on rubberized chemical pulps. : en es
  • CH211138A - Dry voltage converter. : de en
  • ES145964A2 - IMPROVEMENTS IN THE MEANS THAT SERVE TO COMMUNICATE IMPULSIONS TO A SET, IN PARTICULAR IN ORDER TO BALANCE THE KINEMATIC COUPLING OF AN ALTERNATE MACHINE : en es
  • DE695714C - Starting device for internal combustion engines : de en
  • US2212972A - Tool for inserting or removing corporation stops : en
  • DE695564C - Device for determining the color cast of recording lights : de en
  • ES145781A1 - POWER SUPPLY FUSE : en es
  • FR857183A - New method of assembling stepped gears for cranksets of bicycles, tandems, triplets, or the like : en fr
  • GB525357A - Improvements in collapsible tubes : en
  • DE695536C - n threads in velvet and similar fabrics : de en
  • GB525282A - Improvements in snare drums : en
  • US2212542A - Compact adjustable boiler superheater : en
  • AT159371B - Method and device for the production of corrugated cardboard (corrugated paper). : de en
  • DE695707C - end with the help of high-frequency alternating fields : de en
  • GB525544A - Improvements in or relating to pumping apparatus : en
  • DE695624C - Process for the extraction of fatty acids from tree bark : de en
  • DE695660C - Seed extractor with rotating cell drum : de en
  • FR857231A - Extendable brake especially for bicycle hubs : en fr
  • FR857190A - Tubular body tower bench : en fr
  • AT159424B - Process for the production of aldehydes. : de en
  • FR857113A - Improvements to hydraulic brakes : en fr
  • CH211203A - Process for the preparation of methyl-p-tolylcarbinol-camphoric acid sodium. : de en
  • US2212732A - Circuit breaker : en
  • DK57916C - Machine for attaching the wire windings in coil springs to a holding frame in the manufacture of resilient inserts. : da en
  • AT159359B - Device for displaying images of all kinds, in particular films, with a three-dimensional or spatial impression for the viewer. : de en
  • AT159384B - Junction box with plug. : de en
  • US2212831A - Manufacture of stable derivative of adrenaline : en
  • USD122175S - Design for an egg holder : en
  • US2212928A - Production of meta-diaza compounds : en
  • AT159437B - Rotary preheater or rotary boiler with a preheating or evaporation space consisting of pipes. : de en
  • CH211158A - Process for lining hollow bodies with synthetic resin. : de en
  • CH211131A - Device for the transmission of the torque of a balance spring to the balance axis of a timer movement. : de en
  • AU111278B2 - Improvements in or relating to the treatment of compounds : en
  • US2212948A - Amplifier : en
  • CH211189A - Electric motor with slip clutch. : de en
  • AT159408B - Yarn made from glass fibers or other silicate fibers. : de en
  • US2212875A - Electrical ignition system for gas stoves : en
  • DE695485C - acke etc. : de en
  • GB525446A - Improvements in coaxial lead-in conductors for electric vacuum tubes : en
  • CA390920A - Engine piston : en fr
  • AT159442B - High pressure mercury tube. : de en
  • US2212900A - Process and product relating to the oxidation of unsaturated aldehydes : en
  • US2213161A - Closure for pressure vessels : en
  • AT159372B - Wire termination device. : de en
  • PL29187B1 - for axle or shaft bearing. : en pl
  • US2213117A - Coating machine : en
  • US2212587A - Mailing envelope : en
  • CH211076A - Drive device for organs that are located within a casing and control the inflow of a medium. : de en
  • CH211170A - Safety device on internal combustion engines, in particular on motor vehicles. : de en
  • CH211095A - Canetière. : en fr
  • CH211121A - Machine for calibrating the text lines produced on die setting and line casting machines. : de en
  • DE693345C - Storage for the printing rollers of gravure printing machines : de en
  • GB525387A - Improvements in or relating to the production of aluminium fluoride : en
  • USD122125S - Design for a game board : en
  • AT159409B - Method and machine for the manufacture of knitted fabrics with interlocked stitches. : de en
  • CH211084A - Sheet metal stove frame. : de en
  • CH211191A - Arrangement for suppressing the earth fault current in high voltage networks. : de en
  • AT159351B - Device for taking measurements of women's clothing. : de en
  • US2212582A - Dispensing container : en
  • US2213162A - Multiple unit radio tube : en
  • CA390952A - Fire-retardant composition : en fr
  • CH211194A - Method for magnetizing ring magnets. : de en
  • AU528039A - Improvements in storage water heaters : en
  • US2212574A - Dirt road stabilization : en
  • CA390984A - Pulp processing : en fr
  • AT159388B - Oil firing system. : de en
  • US2212538A - Defecator : en
  • US2212871A - Fluid pressure operated motor : en
  • FR857239A - Improvements to pedals for cycles : en fr
  • CH211074A - Endurance burn device. : de en
  • CA390975A - Sanitary napkin folding machine : en fr
  • CH211082A - Method and device for producing fibers from glass and other substances that are plastic when exposed to heat. : de en
  • US2212640A - Cathode ray system : en
  • USD122124S - Design for a shoe or similar article : en
  • CA390923A - Mailing card : en fr
  • GB525487A - Improvements in and relating to automatic adjusting devices for the brake shoes of brakes for automobile or other vehicles : en
  • US2213052A - Method of and apparatus for the recovery of heat and chemicals from black liquor : en
  • US2212713A - Scraper : en
  • US2212954A - Clutch control mechanism : en
  • PL29206B1 - Drive device for wheels of motor vehicles. : en pl
  • US2212916A - Cooling tunnel : en
  • GB525476A - Improvements in powder catapults : en
  • AT159395B - Delayed electrical overcurrent release. : de en
  • US2212675A - Outboard motor support : en
  • US2213050A - Sifter : en
  • DE695500C - Process for the production of rayon by the spool spinning process : de en
  • CH211234A - Process for the preparation of a condensation product which can be used for pest control. : de en
  • US2213056A - Apparatus for treating dry flocculent powders : en
  • USD122144S - Design for an embroidered fabric : en
  • US2212533A - Universal spray device : en
  • US2212872A - Mechanical movement : en
  • US2213173A - Television transmitting tube : en
  • US2213026A - Gauge fob blending paints : en
  • ES145931A1 - A process for the manufacture of ketones of the cyclopentane-polyhydro-phenanthrene series. : en es
  • DE695606C - Glass blocks with recesses arranged in the butt sides : de en
  • FR857245A - Mobile radio guidance systems : en fr
  • ES145886A1 - Improvements in light reflectors. : en es
  • ES145954A1 - A procedure for carrying out reactions in a shaft furnace. : en es
  • GB525324A - Improvements in and relating to centrifugal pumps : en
  • GB525521A - Means for playing an indoor or table game : en
  • DE695616C - Locking device for fuel containers, especially for motorcycles : de en
  • US2212748A - Air conditioning unit : en
  • GB525318A - Improved apparatus for emptying moulds, particularly moulds for chocolate : en
  • CA390927A - Shoe shape maintaining device : en fr
  • CA390983A - Accounting machine paper feeding means : en fr
  • DE695638C - Process for the preparation of a diketone of the cyclopentanohydrophenanthrene series : de en
  • GB525330A - Improvements in or relating to electrically operated calculating apparatus : en
  • CH211226A - Vehicle, such as a bicycle or the like. With a pump built into the frame and a foldable saddle. : de en
  • US2212870A - Counting mechanism : en
  • GB525403A - A process for the manufacture of refined products from hydrocarbon mixtures : en
  • GB525389A - Collapsible tube with closure head : en
  • US2213114A - Treating hydrocarbon fluids : en
  • GB525306A - Improvements in or relating to gland packings particularly for valves or cocks : en
  • ES145785A1 - An immunization procedure, for the purposes of punctures of rubber air chambers, especially tire wheels for vehicles. : en es
  • GB525525A - Plastic moulding material : en
  • US2212830A - Relay : en
  • US2213057A - Combination syringe, hot and cold pack appliance : en
  • US2213120A - Attachment for lettering scribers : en
  • DE695590C - System for the transmission of acoustic performances : de en
  • DE695565C - Image holder on projection and enlargement devices : de en
  • DE695622C - for the transmission of films : de en
  • ES145986A3 - A speed change gear. : en es
  • GB525563A - Improvements relating to automatic speed control systems for electric motors : en
  • DE695674C - Drying plant for brickwork products : de en
  • ES145934A1 - Improvements in the pressure discharge of liquid mixtures with gases, and if desired, with solids under high pressure. : en es
  • ES145751A1 - Improvements in obtaining multi-layer photographic material for photography and color cinematography. : en es
  • FR857118A - Hydraulic press : en fr
  • GB525414A - Improvements relating to airscrew blades : en
  • DE695696C - Control device for controlled rectifiers : de en
  • ES145996A1 - Improvements in cliché fiber and wax cliché. : en es
  • FR857129A - Radiological installation comprising a control grid tube : en fr
  • GB525331A - Improvements in gas-turbines : en
  • GB525505A - Improvements in or relating to magneto generators : en
  • DE695513C - Device for automatic combustion control with networked steam boilers or steam boiler groups : de en
  • DE695675C - Spool holder for slip gate : de en
  • US2212624A - Shaving implement : en
  • ES145800A1 - A new double piston pump foot system. : en es
  • ES145948A1 - A previous link for the manufacture and improvement of magnesium leagues. : en es
  • GB525311A - Improved rectifier : en
  • ES145866A1 - Improvements in the construction of boats. : en es
  • FR857101A - Device for refloating and towing boats : en fr
  • DE695453C - Belt grinder : de en
  • DE695693C - Die setting and line casting machine with two line clamping jaws, which can be provided individually or together, for filling or centering lines of the die : de en
  • FR857195A - Process and device for producing artificial filaments and in particular cellulose wool from cellulose solutions : en fr
  • GB525447A - Improvements in or relating to electrically heated vulcanizers : en
  • DE695740C - Cuttable resilient point setting device : de en
  • CA390897A - Shell case production : en fr
  • US2212637A - Pea sheller : en
  • US2213055A - Sheet lifter : en
  • US2213145A - Machine for the knitting of elastic top stockings and method of knitting the same thereon : en
  • PL29232B1 - Miag Miihlenbau und Industrie Aktiengesellschaft, Braunschweig. Adjustable feed flap for roller mills. : en pl
  • US2213077A - Transparent projection screen : en
  • US2212600A - Check valve : en
  • USD122123S - Design fob a shoe ob similab article : en
  • US2213080A - Bimetallic thermal release : en
  • FR857244A - Internal combustion engine with several cylinder stars mounted one behind the other : en fr
  • US2212828A - Electrode-cathode : en
  • DE695523C - of purification systems : de en
  • DE695560C - Drive device for hoists : de en
  • FR857193A - Device for heat exchange between fluids : en fr
  • GB525478A - Improved manufacture of malleable iron : en
  • DE695641C - Warning system for track work teams : de en
  • DK57926C - Apparatus for measuring the amount of heat caused by a line of liquid or gas through a line. : da en
  • FR857142A - Process for dissolving polyvinyl chloride with a high chlorine content : en fr
  • CH211237A - Process for the preparation of a condensation product which can be used for pest control. : de en
  • FR857153A - Device for the exact measurement or recording of the voltage in power plants and the exact determination of voltage variations : en fr
  • PL29184B1 - Electric wire mesh resistance welding method and a machine for applying the method. : en pl
  • US2212546A - Separable fastener stringer : en
  • DE695688C - Device for remote adjustment of guns or other heavy objects : de en
  • US2212543A - Polyphase choke coil : en
  • FR857248A - : fr
  • GB525431A - Improvements in or relating to electrical pick-ups with vibrating armature : en
  • US2213068A - Power back gauge : en
  • US2213102A - Valve keeper remover : en
  • USD122184S - Design fob a container : en
  • ES145806A1 - A closure system for all types of packaging. : en es
  • GB525547A - Method and apparatus for evaporation and heat treatment of liquids and sludgy materials : en
  • FR857233A - Improvements to the flocculation of aqueous suspensions and sludge : en fr
  • GB525490A - An improved thermally insulated container for foodstuffs and the like : en
  • GR9182B - REMOVABLE SHOWCASE TYPE. : el en
  • DE695661C - Device for tamping down green fodder : de en
  • ES145983A1 - A new reinforcement for reinforced concrete constructions. : en es
  • USD122120S - Drawer pull or similar article : en
  • US2212961A - Timing apparatus : en
  • US2212660A - Supervisory system : en
  • US2212738A - Apparatus for determining operating conditions in tandem trains of rolling mills : en
  • USD122165S - Design foe a book end : en
  • GB525367A - A tool or machine for planting and transplanting plants, seeds, bulbs and the like : en
  • FR857213A - Process for preparing hydroxylammonium salts : en fr
  • GB525537A - Improvements in microporous rubber filtering media : en
  • USD122178S - Design for a dress : en
  • US2212503A - Air conditioning system for motor vehicles : en
  • DK57932C - Life jacket or similar Lifebuoy. : da en
  • US2212757A - Base for portable houses : en
  • FR857175A - : fr
  • DE695613C - Helical spring ring, the ends of which by means of a Sch : de en
  • DE695549C - oesse : de en
  • ES145849A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 145678 : en es
  • AT159419B - Process for the production of metal-containing dyes. : de en
  • US2212890A - Governor : en
  • US2213174A - Television transmitting tube : en
  • PL29177B1 - Method of obtaining lead from lead ores in the form of nuggets or grains in a Scottish furnace. : en pl
  • PL29227B1 - Kooperativa Fórbundet, Forening u. P, a., Stockholm. Indicator wheel for cash registers or similar devices. : en pl
  • AU384439A - Improvements in or relating tothe headlamps of motor vehicles : en
  • CH211151A - Machine tool. : de en
  • CH211202A - Tooth cleaner and process for its manufacture. : de en
  • DE695722C - Waste sink with connected rinse water tank : de en
  • FR857216A - Improvements to broaching machines : en fr
  • US2213051A - Universal mirror support for motor vehicles : en
  • US2213127A - Process and product for treating ensilage : en
  • USD122202S - Design for a coat : en
  • USD122156S - Design fob a fluorescent lighting fixture : en
  • US2212549A - Watering device for laying cages : en
  • US2212559A - Portable dish washer and drier : en
  • USD122159S - Design for a counter freezer : en
  • US2213031A - Low frequency piezoelectric crystal : en
  • US2213089A - System of control : en
  • GB525554A - Improvements in or relating to treatment of hydrocarbons : en
  • DK57928C - Self-binding Mowing machine with adjustable rod hasp under different inclination. : da en
  • US2212614A - Heel-seat fitting machine : en
  • US2212708A - Coupling device : en
  • US2213042A - Heated ironing board : en
  • USD122168S - Design for a bar tray or the like : en
  • DE695462C - Sound device with compound effect : de en
  • US2212679A - Dusting tool for suction cleaners : en
  • GB525508A - Scoring device and marker for the game of bridge : en
  • US2212684A - Recoil controlling device : en
  • FR857165A - Car body, convertible type : en fr
  • GB525332A - Improvements in walking toys : en
  • ES145999A1 - A method for the production of tissues. : en es
  • US2213170A - Method of producing metals, such as calcium and magnesium : en
  • DE694525C - High frequency coil with an iron core consisting of two or more parts : de en
  • DE695662C - Fast-running internal combustion engine with air compression and spark ignition : de en
  • US2212589A - Skate : en
  • US2212701A - Plant spray compound : en
  • US2212815A - Terminal construction : en
  • DE687502C - Process for the transfer of difficult to decompose acid and possibly fluorine-containing raw fluorides to be processed substances : de en
  • DE695491C - Sniffer valve on gas masks for gas detectors : de en
  • CH211067A - Knife head joint on the cutting knife of mowing machines that can be moved back and forth. : de en
  • US2213164A - Electric fuse assembly : en
  • FR857155A - Method and device for the physical and physicochemical drying of air : en fr
  • GB525463A - Arrangement for regulating the output of a fuel pump for internal combustion engines : en
  • US2212779A - Pulley : en
  • US2212526A - Heater : en
  • US2212908A - Washing apparatus : en
  • USD122164S - Immermann desk : en
  • US2212887A - Shoe counter : en
  • US2212618A - Receptacle : en
  • CH211179A - Periodically working absorption refrigeration system. : de en
  • US2213180A - Image converter tube : en
  • DE695520C - Loading device on automatic swivel arms : de en
  • DE695589C - : de en
  • GB525594A - Improvements in or relating to multiplex telephony systems : en
  • CA390921A - Dust collector : en fr
  • CH211214A - Modulation circuit with a bridge arrangement fed by a modulation frequency and a carrier frequency. : de en
  • FR857110A - Advanced catalytic process for converting liquid and gaseous hydrocarbons into anti-detonating gasoline and aromatic hydrocarbons : en fr
  • GB525386A - An improved beacon system : en
  • GB525607A - Improvements relating to firing means for rotary kilns : en
  • DE695516C - Mobile housing for vending machines : de en
  • DE695646C - Process for the preparation of nitrogen-containing compounds and dyes of the anthraquinone series : de en
  • US2212901A - Transmission : en
  • US2213010A - Automobile body : en
  • USD122206S - Design for a pin clip : en
  • US2212626A - Combined regulator and relief valve device : en
  • USD122131S - Design for a rubber heel : en
  • DE695556C - Variable capacitor : de en
  • FR857111A - Adjustable focus lens cameras : en fr
  • PL29210B1 - Mechanical pencil with shifting cores by pressure. : en pl
  • ES145936A1 - Procedure for the production of solid dyes. : en es
  • US2213073A - Furnace electrode : en
  • DE695615C - Conveyor device for cooling, heating or drying systems, especially for chocolate molds to be cooled : de en
  • GB525285A - Improvements in or relating to heaters for use in railway carriages and other livingspaces : en
  • AT159416B - Device for determining the tensile strength and the resistance of fabric materials to wear. : de en
  • US2212495A - Alloy steel : en
  • US2212557A - Composition adapted for use as an adhesive : en
  • USD122145S - Design for a fluokescent lamp fixture : en
  • US2212857A - Flexible coupling : en
  • PL29183B1 - Side device for guiding wood in sawmills. : en pl
  • USD122141S - Design for an embroidered fabric : en
  • US2212859A - Holding device : en
  • US2213122A - Foam producer for fire extinguishers : en
  • US2212807A - Electrooptical transmission system : en
  • US2213134A - Tree protector : en
  • FR857198A - De-icing device for propellers of air-cooled aircraft engines : en fr
  • DE695583C - INK SUPPLY FOR FOUNTAIN PEN : de en
  • AU111289B2 - Improvements relating to driving arrangements comprising electric motors : en
  • CA390998A - Slide fastener stripping machine : en fr
  • US2213099A - Distortion indicator for electrical amplifying systems : en
  • USD122234S - Dress ensemble : en
  • US2212979A - Controlled-flexing splice bar : en
  • US2212603A - Coating composition : en
  • GB525390A - Improvements in magnetic separators : en
  • US2212569A - Ringlet hair curler : en
  • US2212698A - Amalgamator : en
  • DE695608C - Checkweigher for easy flowing items : de en
  • CH211174A - Ignition distributor. : de en
  • US2212666A - Hot air furnace : en
  • FR857229A - Process for the preparation of polysubstituted ethylenic compounds : en fr
  • AT159385B - Signal system controlled by the train, especially warning system for level crossings. : de en
  • DE695651C - Mobile vacuum cleaner with a coaxial to the Mdas supply cable : de en
  • DE695671C - Either as an air rifle or as a firearm with one and the same barrel usable rifle : de en
  • ES145988A1 - Continuous manufacturing process of superphosphates. : en es
  • CA390956A - Polymerization process : en fr
  • US2212505A - Electrical fixture construction : en
  • CH211155A - Device for the simultaneous production of several dowel holes in wooden parts. : de en
  • AU377539A - Improvements in or relating to automatic cutoff devices for electrical heating elements : en
  • CA390925A - Garment hanger : en fr
  • CH211115A - Glass putty. : de en
  • CH211246A - Process for the preparation of a new quaternary ammonium compound. : de en
  • AT159439B - Arrangement for starting burners for heating gas burners for cooking apparatus, lighting apparatus, heating lamps and the like. like : de en
  • USD122148S - Design for a furnace body : en
  • CH211216A - Circuit arrangement for frequency stabilization in the modulator stage in ultra-short wave transmitters. : de en
  • US2212627A - Dispensing device : en
  • AT159394B - Heat exchanger. : de en
  • DE695552C - Slope meter : de en
  • ES145820A1 - Device for obtaining perfect edges on mechanical looms. : en es
  • PL29193B1 - Preparation for transportation of fresh sea silt or similar silty masses. : en pl
  • US2212490A - Airplane : en
  • US2212644A - Hydrocarbon oil : en
  • US2212796A - Wire fabric : en
  • US2212884A - Vernier : en
  • US2212889A - Safety pin : en
  • DE695668C - Steering device for motor vehicles : de en
  • ES145848A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 145678 : en es
  • ES145775A3 - A device for advancing paper in stenographic machines and the like. : en es
  • GB525532A - Recording or marking device for use in connection with the game of bridge or other card games : en
  • GB525568A - Improvements in, and connected with, electric furnaces : en
  • DK57917C - Interurbancentralanlæg. : da en
  • GR9179B - HYDRAULIC PRESS. : el en
  • ES145792A1 - Pulp fermentation procedures of cellulose fibers, with inlays. : en es
  • US2212873A - Lawn mower : en
  • US2213040A - Process of making pipe plugs : en
  • US2212525A - Coating process and product : en
  • US2212685A - Control device for control of recoil : en
  • US2212970A - Multistylus facsimile recorder : en
  • US2213059A - Process for treating carbon black : en
  • AT159365B - Device for simultaneous cooling and cleaning of gases containing moisture and dust. : de en
  • CH211080A - Process for the production of glass vessels, in particular ampoules, from glass tubes, and machine for carrying out this process. : de en
  • DE695512C - Supporting the firebox of a locomotive boiler equipped with a mechanical grate furnace : de en
  • CH211141A - Portable projection screen. : de en
  • DE695694C - Disk-shaped copy device : de en
  • USD122243S - Design fob a dress : en
  • AT159369B - Method and device for the production of moldings from pasty masses, such as in particular ceramic masses. : de en
  • AT159398B - Discharge tube for very high frequencies. : de en
  • CH211260A - Process for the preparation of a new ester of estradiol. : de en
  • US2212946A - Carburetor : en
  • CA390965A - Smokeless powder : en fr
  • CH211078A - Lock case. : de en
  • PL29226B1 - Wilhelm Mahlke, Vienna. Lock for crane cab door, closed while driving. : en pl
  • DE695614C - Belt tensioner : de en
  • US2212956A - Azo dyestuffs and process for producing same : en
  • USD122150S - Design for a control panel booth : en
  • USD122225S - Design fob a dress : en
  • PL29211B1 - Tadeusz Bylewski, Warsaw. Combination of a lid in a can. : en pl
  • US2212730A - Thermal metering apparatus : en
  • CH211135A - Device for displaying a speed. : de en
  • CA390931A - Shaving implement : en fr
  • CH211087A - Furniture. : de en
  • PL29205B1 - : en pl
  • US2212959A - Photoprinting process : en
  • US2213075A - Tag : en
  • US2213157A - Manifolding : en
  • US2213024A - Optical sizing apparatus : en
  • USD122215S - Design fob a dkess ensemble : en
  • US2212509A - Method of esterifying phenolic hydroxyls : en
  • USD122248S - Design fob a dress : en
  • DE695645C - Process for the production of a cathode for high-voltage tubes with auto-electronic discharge : de en
  • ES145867A1 - Procedure for obtaining stretchable fiber wicks, starting from endless fibrous products. : en es
  • GB525284A - Automatic control of television receiving systems : en
  • GB525338A - The manufacture of compositions for the treatment of fibrous materials : en
  • US2213084A - Lifting jack : en
  • US2212858A - Electric motor for shaving devices : en
  • US2212926A - Carburetor : en
  • US2212601A - Heel engaging device : en
  • CH211254A - Process for the preparation of a new ester of estradiol. : de en
  • CA390976A - Direction control system for mobiles : en fr
  • CA390992A - Alarm signal system : en fr
  • PL29204B3 - The disengagement device of the compressed drive means used in the device for switching individual gears of the variable transmission. : en pl
  • SU57691A1 - A shutter for a camera for capturing a moving light point when determining the rate of water flow : en ru
  • US2212910A - Micrometer gauge : en
  • US2212974A - Pipe spacing mold : en
  • DE695495C - Timing device for echo sounder systems : de en
  • CA390958A - Dyeing or printing process : en fr
  • CH211108A - Device for automatic dosing of semolina and liquid products, especially for the pasta industry. : de en
  • US2212668A - Shipping package for hollow cylindrical articles : en
  • USD122238S - Design for a dress : en
  • ES145860A1 - An elastic cement and asbestos bonding system, with double coupling hooks for pipes. : en es
  • GB525396A - Improvements in or relating to electrically-operated calculator equipment : en
  • CH211092A - Fine fitting for fine cards, cotton cards, etc. : de en
  • US2212700A - Electrical cable : en
  • CA390987A - Seat slide structure : en fr
  • US2212802A - Thread tool gauge : en
  • US2212852A - Refrigeration : en
  • CA391006A - Slab moulding apparatus : en fr
  • PL29229B1 - 43 «, S / f / CC Kooperativa Fórbundet, Forening u. P. A., Stockholm. 6-Plj iA / 00 Removable cash register printing device. : en pl
  • USD122169S - Longley illuminating device : en
  • DE695468C - Triggering device for hiking pillar : de en
  • DE695683C - Artificial roundabout horizontal for vehicles : de en
  • DK57918C - Emergency call device for coin-operated telephones. : da en
  • US2212578A - Electron tube : en
  • US2212825A - Nitro-trifluoromethyl-aryl amines and process for making them : en
  • US2212976A - Economizer for furnaces : en
  • FR857243A - Device for film development : en fr
  • US2213070A - Image source : en
  • GB525427A - Improvements in or relating to optical systems for the projection of stereoscopic pictures : en
  • GB525461A - Improvements in or relating to variable camber aircraft wings : en
  • DE695508C - Base for electric light bulbs with built-in safety wire : de en
  • DE695682C - Process for re-impregnating tar oil-soaked : de en
  • FR857174A - Process for converting carbon monoxide into hydrocarbons by means of hydrogen : en fr
  • US2212903A - Method of manufacturing axles and the like : en
  • CH211124A - Process for producing a multicolor image with sound recording by means of color development. : de en
  • USD122180S - Dress ensemble : en
  • US2212761A - Solvent composition : en
  • US2212772A - Synthetic polymers and shaped articles therefrom : en
  • US2213087A - Transposition keyboard for pianos : en
  • AT159405B - Rotary valve. : de en
  • DE695723C - Control for remote drives : de en
  • US2212781A - Amusement device : en
  • DK57930C - Vacuum device for lifting liquids. : da en
  • US2212661A - Bearing lubrication system : en
  • US2212932A - Filling material for reaction spaces : en
  • AT159415B - Method and device for automatically displaying or regulating the viscosity or the concentration of liquids or suspensions. : de en
  • DE695621C - Production of solid carbonic acid : de en
  • US2212592A - Wheel : en
  • US2212725A - Spark plug temperature control : en
  • ES145892A1 - Procedure for the improvement of linear synthetic polyamides. : en es
  • US2212619A - Well packing device : en
  • US2212646A - Coupler pocket : en
  • US2212556A - Method of manufacturing electric discharge tubes : en
  • AT159411B - Device for starting up thermal power plants in which a gaseous working medium continuously describes a closed circuit under excess pressure. : de en
  • AT159354B - Speaking machine, in particular record dictation machine with return transport device. : de en
  • DE695503C - Method and device for the production of multi-layer hollow bodies : de en
  • DE695745C - Method for casting the cages of multiple cage runners of the exchangeable rod type : de en
  • US2212768A - Tire-removing and compressing apparatus : en
  • US2212821A - Blue sulphur dyes and methods of manufacturing the same : en
  • US2213172A - Electrode system : en
  • CH211235A - Process for the preparation of a condensation product which can be used for pest control. : de en
  • US2213168A - Composite pigments and process of making the same : en
  • PL29203B1 - : en pl
  • US2213053A - Heating apparatus : en
  • DK57933C - Sieve to Sewage treatment plant. : da en
  • CA390933A - Ore flotation agent : en fr
  • CH211241A - Process for the preparation of an indole series aldehyde. : de en
  • US2212996A - Automatic humidifier : en
  • AT159410B - Method of manufacturing a heat exchanger. : de en
  • USD122194S - Design fob a fur collar : en
  • CA390949A - Pressure regulating valve : en fr
  • US2212883A - Food handling device : en
  • AT159407B - Dispensing system for liquid fuels with dispensing hose emptying. : de en
  • US2212989A - Vehicle truck : en
  • US2212494A - Apparatus for treating plastic material : en
  • CA390939A - Ammonium nitrate explosive processing : en fr
  • US2212562A - Automatic sprinkler system : en
  • CH211222A - Front support of a two-wheeled trailer comprising a device for orienting its roller. : en fr
  • CH211149A - Method and device for drawing twist grooves in gun barrels. : de en
  • AT159443B - Process for the production of discharge vessels from metallic and ceramic wall parts. : de en
  • AU555839A - Container for storing gas samples : en
  • AU111283B2 - Improvements inthe manufacture of valves having oxide-coated thermionic cathodes : en
  • PL29186B1 - Ejection device for vending machines. : en pl
  • USD122249S - Dress ensemble : en
  • US2212731A - Power transmission : en
  • AU332239A - A cultivator share and tyne connection : en
  • CH211250A - Device for holding tubular or rod-shaped components. : de en
  • CA390970A - Cash register : en fr
  • AU111276B2 - Rolling blind : en
  • AT159434B - Traveling field motor to drive loom shuttle. : de en
  • CH211093A - Spinning or twisting spindle. : de en
  • DE695724C - Synchronous small motor with roughly star-shaped, polarized rotor and a stand housing of the claw type : de en
  • CA390953A - Wood preservation : en fr
  • GB525385A - Improvements in and relating to systems for supplying fluids under pressure : en
  • AT159376B - Riveting machine with sheet metal closer and riveting punch operated by compressed air. : de en
  • CH211106A - Concealed zip. : de en
  • CH211122A - Roller protectors for typewriters. : de en
  • CH211240A - Process for the preparation of an indole series aldehyde. : de en
  • AT159418B - Process for the production of light metal bottles with reinforced necks. : de en
  • GB525265A - Improvements in or relating to processes for the esterification of cellulose : en
  • CA391004A - Foreign body detecting apparatus for transparent vessels : en fr
  • SU57724A1 - Automatic modular air brake device : en ru
  • US2212765A - Confection mold : en
  • CA390915A - Elevator safety catch : en fr
  • US2212551A - Thermoplastic sill and door seal : en
  • US2212662A - Dispersing mill : en
  • DK57922C - Color-changing fluorescent lamps. : da en
  • CA390922A - Scooter : en fr
  • US2212777A - Stool attachment for barbers' chairs : en
  • US2212973A - Hay rake : en
  • US2213090A - Electric translating circuit : en
  • CH211083A - Oil firing device. : de en
  • FR857135A - Removable signaling device : en fr
  • CA390899A - Engine piston : en fr
  • DE695644C - Directly heated glow cathode : de en
  • DE695666C - Photographic reproduction device : de en
  • CA390969A - Ammonium sulphate : en fr
  • CA390991A - Electrical signal device and system : en fr
  • USD122174S - Combined bench and table : en
  • US2212564A - Pipe cutter : en
  • USD122216S - Design for a dress ensemble : en
  • FR857052A - : fr
  • ES145843A1 - A procedure, with its inherent device, for obtaining dry ice. : en es
  • GB525345A - Improved means for converting a multicylinder internal combustion engine into a combined engine and air compressor : en
  • GB525548A - Improvements in the formation of concrete piles : en
  • DE695569C - Lubricating device for core tips : de en
  • DE695685C - Device for covering tapes, sheet metal strips and wires with metallic aluminum : de en
  • FR857202A - Magnetic device for stirring mercury in an ignitron : en fr
  • GB525395A - Improvements in or relating to lawn tennis posts and the like : en
  • GB525374A - Improvements in anodes for lead accumulators : en
  • USD122229S - Design foe, a dress : en
  • DK57915C - Method of Manufacturing Metal Tubes. : da en
  • FR857232A - Internal brake on hub and extendable by cones : en fr
  • GB525296A - Improvements in gaseous fuel mixtures : en
  • ES145971A1 - Improvements in the manufacture of rubber or rubber articles, with latex. : en es
  • FR857164A - Tuning device, in particular for frequency changing receivers : en fr
  • GB525344A - Improvements in or relating to photo-electron emissive-electric cells : en
  • FR857149A - Method of construction of underground reinforced concrete hydro-carbide tanks and elimination of any fuel loss : en fr
  • GB525420A - An improved reaction propeller : en
  • ES145766A1 - Improvements in the engines of explosion, especially in aviation. : en es
  • ES145884A1 - Welding device and combined melter for dental prosthesis. : en es
  • FR857203A - Boiler for boiling and vaporizing sulfuric acid and liquids with similar physical properties : en fr
  • GB525529A - Coin-controlled locking mechanism : en
  • GB525589A - Improvements in or relating to the supply of direct current electric arcs : en
  • US2212692A - Flexible tooth gear : en
  • FR857122A - Process for preparing saturated or unsaturated aldehydes of the Pregnane series : en fr
  • FR857196A - Device for assembling pads in tracked vehicles : en fr
  • PL29192B1 - Georg Heinrich Schieferstein, Berlin. Conical binder. : en pl
  • ES145909A1 - Jute regeneration procedure. : en es
  • CA390973A - Sewing machine : en fr
  • DE695499C - Leafed coil core for alternating current magnetization : de en
  • DE695698C - asynchronous starting three-phase machines : de en
  • ES145981A1 - A new drying oven. : en es
  • DE695655C - Device for rolling up and unrolling a projection screen : de en
  • ES145823A1 - Centrifugal regulators for the control mechanism of pressurized air brakes in modern vehicles. : en es
  • DE695539C - Completely automatic press filter : de en
  • ES145825A1 - A time switch with bimetal organ. : en es
  • ES145920A1 - Device for quick replacement of the needle of the phonograph players' diaphragms. : en es
  • US2212577A - Lug strap : en
  • DE695664C - Ventilation device for the suction chamber of injection pumps : de en
  • GB525281A - Improvements in and relating to pneumatic hammers : en
  • ES145835A1 - A new faithful slide applied to scales and Romans. : en es
  • ES145771A1 - A procedure to make maritime silt and similar masses transportable. : en es
  • GB525401A - Improvements in or relating to lateral control means for aeroplanes : en
  • GB525283A - Improvements in and relating to the coiling and packing of sliver into cans : en
  • US2213169A - Construction method for underground structures : en
  • GB525336A - Improvements relating to loading mechanism for machine guns : en
  • GB525409A - Roller for grass-land or the like : en
  • GB525393A - Improvements in or relating to wireless apparatus for the simultaneous reception of a plurality of signals : en
  • GB525442A - Improved manufacture of sheets and plates of reinforced glass : en
  • US2212923A - Picture transmitter : en
  • US2212599A - Glass cutting appliance : en
  • GB525292A - Thread and cord trimmers for buttonhole sewing machines : en
  • DE695649C - Central heating boiler in which the fuel slides out of the filling chamber on a sloping grate : de en
  • DE695546C - Cooling device for periodically acting absorption cooling machines : de en
  • GB525474A - Improvements relating to beam centering and like supports for shuttering, staging, scaffolding and the like : en
  • CA390982A - Pipe fitting : en fr
  • ES145816A1 - Improvements in the manufacture of hydrophilic cotton. : en es
  • GB525303A - Improvements in or relating to photographic easels : en
  • US2212763A - Universal joint : en
  • US2213038A - Formation sealing composition : en
  • AT159446B - Device for treating bodies with high-frequency electrical energy. : de en
  • DE695575C - and other impurities from gases (carbon distillation gases) : de en
  • US2212530A - Magnetic pickup : en
  • US2213095A - Plane iron : en
  • GB525573A - Improvements in and relating to bricks : en
  • AT159436B - Process for stabilizing latent images on multilayer films. : de en
  • CH211146A - Magnetizable material. : de en
  • CH211157A - Automatic continuous centrifugal wringer. : en fr
  • US2212499A - Discount machine : en
  • US2212759A - Shock absorber : en
  • DE695735C - Gasoline burner : de en
  • FR857192A - Light shielding agents and process for preparing such agents and products and materials containing them : en fr
  • GB525449A - Improvements in or relating to milling machines : en
  • GB525313A - Improvements in yarn winding machines : en
  • US2212608A - Process of dyeing pelts, hairs, or feathers : en
  • US2212753A - Reaming tool : en
  • AT159366B - Time and direction indicators composed of individually rotatable drums driven from the outside, especially for train stations. : de en
  • ES145840A1 - A mechanical process for the manufacture of fibrous cement plates in the cardboard making machine. : en es
  • US2212502A - Egg separator : en
  • US2213132A - Method of conditioning fuel during operation of gas engines : en
  • GB525359A - Improvements in or relating to radio transmitting systems : en
  • USD122127S - Design fob a game board : en
  • USD122211S - Design for a pin clip : en
  • ES145979A1 - A process for the synthesis of higher fatty hydrocarbons. : en es
  • ES145796A1 - A bicycle without chain, with pedal levers. : en es
  • CH211098A - A process for the manufacture of a woven fabric containing stiffening elements. : en fr
  • CH211161A - Stepless speed change gear. : de en
  • CH211094A - Spinning cylinder. : de en
  • FR857250A - Profiled frame for aircraft direction finding : en fr
  • GB525259A - Improvements in or relating to the production of textile yarns : en
  • DE695460C - Steering device for vehicles, in particular motor vehicles : de en
  • FR857143A - Process for obtaining starch from corn : en fr
  • CH211102A - Method for washing linen and other similar goods, and machine for carrying out this method. : en fr
  • USD122157S - Design for a dress : en
  • USD122228S - Design fok a dress : en
  • US2213072A - Heel for shoes : en
  • US2212610A - Moccasin : en
  • US2213001A - Lubricating device : en
  • ES145994A3 - Piston mechanism for musical instruments. : en es
  • GB525421A - Improvements in or relating to electrical relay devices : en
  • AU384839A - Improvements relating to roof, walland pavement lighting : en
  • GB525596A - Improvements in electric discharge tubes : en
  • GB525399A - A method of imparting a glazed surface to walls : en
  • GB525451A - Improvements in and relating to electric motor control systems : en
  • CA390918A - Cellulosic porous material : en fr
  • CA391003A - Zinc and lead flotation process : en fr
  • GB525410A - Improvements in or applicable to straight-bar knitting machines : en
  • GB525523A - Measuring device for use in connection with the tailoring of clothes : en
  • US2212522A - Use of a stray electrostatic field for drying leather and the like : en
  • DE695627C - Roller press, especially for the production of briquettes : de en
  • GB525297A - Improvements in or relating to road vehicles : en
  • US2212633A - Fused disconnect switch : en
  • GB525353A - Improvements in toy artillery guns : en
  • US2212789A - Door check and closer : en
  • US2212795A - Electric joint solderer : en
  • US2213179A - Television transmitting device : en
  • GB525317A - Improvements in vapour condensers : en
  • FR857116A - Stapling device for wooden barrel circles : en fr
  • CH211140A - Focusing screen for optical devices. : de en
  • GB525546A - Improvements relating to starting systems for alternating current synchronous machines : en
  • GB525578A - Improvements in and relating to electric plug and socket connections : en
  • AT159432B - Filling and emptying equipment for centrifugal machines, in particular hydraulic fluid drives. : de en
  • US2212734A - Wheel flange oiler : en
  • US2212933A - Television system : en
  • US2213137A - Lifting tool : en
  • DE695626C - Solder for zinc alloys containing aluminum : de en
  • FR857132A - Five- or seven-cylinder internal combustion engine with turbo-blower supply : en fr
  • GB525606A - Improvements in devices for automatically controlling the bandwidth in radio-receivers and other apparatus : en
  • ES145992A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 145960 : en es
  • FR857217A - Deformable wheel : en fr
  • ES145885A1 - A process for obtaining valuable hydrocarbon products, from liquid, semi-solid or meltable distillable carbonaceous materials containing asphalt substances. : en es
  • FR857219A - Packaging : en fr
  • GB525290A - Improvements in "through" tubes for the spindles of mules and similar spinning machines : en
  • GR9181B - METHOD OF PREPARATION OF CRYSTAL DEXTROSIS IN SOLID MASS OF RAISINS OR MILK FOR CUP. : el en
  • GB525426A - Improvements in or relating to means for facilitating the attachment of eyes, sail thimbles, hooks or the like to cables or the like : en
  • GB525593A - Improvements in and relating to apparatus for transmitting and applying pneumatic pressure : en
  • FR857133A - Automatic device for pushing iced bricks into tube icing ovens : en fr
  • FR857205A - Variable speed force transmission mechanism : en fr
  • GB525586A - Improvements in or relating to gas and like masks : en
  • ES145881A1 - A procedure for the preparation of synthetic rubber. : en es
  • FR857137A - Compound cylinder mill with wind screen : en fr
  • GB525541A - Improvements in or relating to fluid-actuated valves : en
  • USD122130S - Design for a rubber sole : en
  • GR9185B - GUIDE TO PRESSURE CYLINDERS OF TENSIONER SPINNING MECHANISMS. : el en
  • AT159392B - Device for automatic feeding of sheets of paper, cardboard or the like. : de en
  • AU389139A - Improvements in high-pressure metal-vapour electric discharge lamps : en
  • CH211242A - Process for the preparation of an indole series aldehyde. : de en
  • US2212585A - Cabinet : en
  • US2212586A - Hydrometric instrument : en
  • US2212942A - Suction nozzle : en
  • GB525321A - Improvements in or relating to embossing, perforating and indenting presses : en
  • ES145752A1 - Improvements in the heating of baths of materials by passage of electric current. : en es
  • GB525366A - Improvements in collapsible stands : en
  • GB525404A - Improvements in electrical superheterodyne frequency-changers : en
  • GB525477A - Improvements in valves : en
  • USD122188S - Design for a dress : en
  • GB525469A - Improvements relating to chain cables : en
  • GB525270A - Improvements in self-regulating automatic traffic-control systems : en
  • GB525609A - Improvements in or relating to adjustable electric condensers : en
  • GB525424A - Improvements in or relating to speed and direction indicating mechanism : en
  • DE695470C - Process for the conversion of carbonaceous substances : de en
  • FR857130A - Vertical hot water boiler : en fr
  • ES145890A1 - Mechanism of classification and weight of coins for automatic devices of distribution of objects or liquids. : en es
  • US2212492A - Expansion and contraction joint : en
  • US2212745A - Resilient coupling for tubing : en
  • US2212898A - Container closure : en
  • US2213129A - Manufacture of artificial threads : en
  • USD122185S - Design for a bottle : en
  • GB525300A - A method of half-tone photography : en
  • US2212511A - Grinding gauge : en
  • CH211249A - Process for the preparation of a disazo dye. : de en
  • US2212594A - Offset drilling tool : en
  • USD122116S - Design for a clock : en
  • DE680803C - Torsion spring clutch : de en
  • DE695742C - Round conductor : de en
  • US2212854A - Field determinator and exposure indicator : en
  • US2212639A - Tens transfer mechanism : en
  • US2212849A - High voltage gaseous rectifier : en
  • US2212532A - Ethers of trimethylhydroquinone and process of preparing them : en
  • US2212762A - Apparatus for controlling fluid flow : en
  • FR857150A - Structures of combined radio and television receivers : en fr
  • GB525258A - Improvements in mechanical pencils : en
  • US2212628A - Dyeing mixed fabrics : en
  • US2212741A - Convertible vehicle : en
  • ES145891A1 - New polymers and preparation procedures. : en es
  • USD122241S - Design for a stamp or similar article : en
  • US2213065A - Grindstone : en
  • GR9177B - DEEP WELL PUMP. : el en
  • US2212642A - Illuminated illusory action device : en
  • DE695603C - Safety device for gas-heated devices with several burners and a common main gas valve : de en
  • DE695458C - Multi-stage reaming and cutting machine : de en
  • US2213054A - Impedance matching device : en
  • DE695702C - Device for covering advertising or picture supports on soap bars with a non-washable protective layer : de en
  • JP138235C1 - : ja
  • DE695498C - Process for the production of photocathodes and fluorescent screens in a vacuum vessel : de en
  • GB525262A - Improvements in or relating to apparatus for washing floors and like surfaces : en
  • US2212960A - Signal controlled switching circuits in telephone systems : en
  • USD122205S - Design for a pin clip : en
  • DE695709C - Pistons for two-stroke engines : de en
  • DE695537C - Device for loading the tamped mold with Stamuer OEfen for the production of gas and coke : de en
  • DE695689C - Device for sticking pictures with glue : de en
  • GB525379A - Improvements in luminescent materials and their manufacture : en
  • FR857108A - Protective enclosure for the couplings of railway wagons : en fr
  • CA390905A - Frying apparatus : en fr
  • USD122110S - Design for a cup dispenser : en
  • CA390935A - Endless belt curing process : en fr
  • US2213069A - Milking machine washer : en
  • CH211103A - Floor processing machine. : de en
  • CA390934A - Paper felt manufacture : en fr
  • CH211101A - Process for waterproofing and soaping of cut pieces of textile fabric and of products not suitable for the textile industry. : de en
  • CH211184A - Expansion vessel for large power transformers filled with oil. : de en
  • US2212912A - Refrigerant evaporator : en
  • AU550739A - An improved device for joining tubular members : en
  • CH211228A - Improved installation for hydraulic, oleopneumatic or similar control usable, in particular, on flying machines. : en fr
  • PL29180B1 - : en pl
  • US2213123A - Method of making manifolding stationery : en
  • US2213154A - Fuel blending preheater vaporizer : en
  • AT159396B - Switching arrangement for a light flash stroboscope with adjustable frequency. : de en
  • AU111286B2 - Improvements in or relating to television receivers : en
  • PL29190B1 - Gewerkschaft Reuss, Bonn. ^ c> Sieve with hardened work surface. : en pl
  • CA390963A - Razor blade and method of deposition : en fr
  • AT159352B - Method and device for the production of blown hollow glass bodies with a subsequent full glass part. : de en
  • CA390945A - Liquid congealing apparatus : en fr
  • US2213021A - Blind : en
  • US2212529A - Organic insecticide and its use : en
  • US2213152A - Tube making apparatus : en
  • USD122236S - Design for a fluorescent lamp fixture : en
  • AT159429B - Pressure medium transfer between two mutually rotating systems. : de en
  • AU111277B2 - Improvements in or relating to bottles : en
  • PL29220B1 - : en pl
  • US2212749A - Housing for containers : en
  • AT159386B - Mixture dispenser for dispensing a mixture of liquid fuels with oil. : de en
  • CH211156A - Process for improving the mechanical properties of products based on linear synthetic polymers and an improved product according to this process. : en fr
  • PL29233B1 - A method of gluing thin sheets of absorbent materials using semi-liquid adhesives. : en pl
  • CA390902A - Lock nut : en fr
  • CA390980A - Explosive : en fr
  • DE695677C - Process for the manufacture of ammonium sulphate nitrate : de en
  • US2212881A - Electric gaseous discharge device : en
  • US2213097A - Interchangeable initial frame : en
  • DE695601C - Method for measuring static charges or changes in charge of small capacities by means of high vacuum amplifier tubes : de en
  • AT159428B - Needle bed for flat knitting machines. : de en
  • DE695555C - Electromagnet with a rolling armature designed as a two-armed lever : de en
  • US2213082A - Air conditioning apparatus : en
  • US2212723A - Stabilizing hanger for gliders : en
  • US2213079A - Toy submarine : en
  • CH211220A - Goods containers. : de en
  • DE695420C - Open draw hook for collars : de en
  • USD122233S - Design foe a deess : en
  • AT159356B - Roll film camera. : de en
  • CH211224A - Motor vehicle transmission with electromagnetic clutches and six forward gears. : de en
  • PL29176B1 - A method of treating ores, slag or similar materials containing phosphates. : en pl
  • US2212706A - Vaginal applicator : en
  • AU111294B2 - Compounded oil : en
  • CA390909A - Thermal dehydration : en fr
  • DE695738C - towards the Oestron range : de en
  • CH211239A - Process for the preparation of an indole series aldehyde. : de en
  • CH211261A - Process for the preparation of an ester of estradiol. : de en
  • DE695570C - Method and device for developing diazotypes : de en
  • CA390966A - Variable transmission gear : en fr
  • US2212649A - Dishwashing machine : en
  • US2212842A - Machine for sealing-in and molding lamp bulbs : en
  • DE695636C - Process for the production of resinous condensation products : de en
  • US2213159A - Concrete form : en
  • AT159426B - Process for the preparation of butanediol- (1.3). : de en
  • AU50840A - Improvements in or relating to television antenna : en
  • AT159402B - Process for the preparation of basic compounds of the heterocyclic series. : de en
  • DE695505C - Large capacity conveyor wagon with bottom discharge : de en
  • CH211180A - Compressors, in particular for refrigerating machines. : de en
  • PL29216B1 - Franciszek Tomala, Wrzosowa. LjSL U Q / fi> Hive checker, used to separate the queen bee during brooding. : en pl
  • US2212714A - Coin slide device : en
  • US2212780A - Billiard cue : en
  • USD122190S - Design fob a coat : en
  • US2212944A - Advertising change tray : en
  • SU57787A1 - Plumbing system of navigable chamber sluices : en ru
  • US2212722A - Grain cleaner : en
  • DE695494C - Cartridge belt filling device : de en
  • US2212919A - Impact wrench : en
  • CH211120A - Method and device for the interchangeable combination of documents. : de en
  • DE695532C - Bearings for horizontally arranged, hydraulically driven long pistons, especially on materials testing machines : de en
  • GB525533A - Improvements in or relating to regenerative horizontal or retort ovens : en
  • PL29224B1 - Device for closing and sealing doors, windows and shutters. : en pl
  • SU57812A1 - The method of preparation of steel products for nitriding : en ru
  • US2213000A - Driving assembly : en
  • USD122167S - Design for a cosmetic bag : en
  • AU111261B2 - Improvements in or relating to composite sheets andthe like for building andother purposes : en
  • CH211116A - Process for the production of a curable synthetic resin. : de en
  • US2212941A - Casting bobber : en
  • US2212699A - Means for opening and closing the molds of a machine for forming glassware : en
  • USD122172S - Design for a display stand : en
  • DE695481C - Device for determining the residual current to earth fault : de en
  • DE695486C - Electrically heated curling iron heater with heat control device : de en
  • ES145791A1 - Procedure for obtaining azo dyes and their intermediate products. : en es
  • US2212544A - Process of preparing chocolate : en
  • USD122133S - Combined register shield and filter : en
  • DE695557C - Spot welding electrodes : de en
  • CH211119A - Bookmarks for books, agendas, catalogs, etc. : de en
  • CH211073A - Process for the production of a binder from rosin for road construction. : de en
  • DE695609C - Record holder : de en
  • GB525438A - Improvements in electric fuses : en
  • ES145873A1 - Process for obtaining n-methanesulfonic or n-methanesulfinic salts, respectively, of 1-aryl-2. 3-dialkyl-4-alkylaminopyrazole. : en es
  • GB525355A - Improvements relating to the handles of trucks, trolleys and the like : en
  • ES145902A1 - Hard ceramic tools, armors and similar. : en es
  • DE695656C - : de en
  • US2212817A - Piston expander : en
  • ES145760A1 - Improvements in the disconnection devices, especially in automatic weapons locking systems with open stock. : en es
  • FR857171A - Improvements in clutches : en fr
  • GB525419A - Improvements in or relating to tubular electric incandescent lamps or discharge tubes : en
  • DE695473C - : de en
  • DE695550C - Voltage transformer set for the connection of single-phase calibration meters, calibration wattmeters or similar electrical measuring devices for the calibration of three-phase meters : de en
  • PL29196B3 - Ringhoffer - Tatra-Werke A. G., Prague-Smichov. Off-road vehicle. : en pl
  • DE695072C - rivers of trickle water : de en
  • USD122193S - Design foe a dress : en
  • DE695654C - Projection or enlargement device for alternating use of plates and films : de en
  • DE695519C - Feed drive for machine tools : de en
  • GB525458A - Apparatus for use in weighing and/or determining the wheel pressure of road vehicles, aeroplanes, and the like : en
  • ES145762A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 144537 : en es
  • ES145832A1 - A process for heating, drying, dyeing and impregnating cement and asbestos objects or any other fibrous material. : en es
  • US2212847A - Process for the recovery anb keuti- : en
  • DE695535C - Equipment on a folding and round bending machine for bending U or similar profiles : de en
  • DE695665C - Device for removing metal particles from the reservoir of a lubricating device, in particular from internal combustion engines : de en
  • PL29185B1 - : en pl
  • DE695568C - Elbow expansion compensator : de en
  • DE695479C - Resonance relay for overlay remote control systems with audio-frequency control frequencies : de en
  • US2212686A - Recoil construction : en
  • US2212816A - Copper complex compound of polyazo dyestuffs : en
  • PL29188B1 - 0. Lorenz Aktiengesellschaft, Beriin-Tempeihof. Shunt capacitor for very high frequency devices. : en pl
  • USD122129S - Design for a spectacle front : en
  • US2213066A - Method of making insoles : en
  • USD122117S - Design foe a photometer : en
  • DE695607C - Dipping mold made of rubber for manufacturing bottles and bottle-like structures from cellulose derivatives : de en
  • ES145767A1 - A device for discharging compressed gas dosed automatically, with a single control volumetric indicator. : en es
  • GB525347A - Improvements in or relating to clutches for motor cycles : en
  • GB525513A - Improvements in and connected with heat resistant parts of furnaces : en
  • US2212894A - Polymerization of unsaturated aldehydes : en
  • US2212513A - Fountain applicator : en
  • US2213167A - Humidifier system : en
  • DE695545C - Continuously working absorption refrigeration machine : de en
  • GB525418A - Improvements in or relating to electric discharge tubes : en
  • US2212935A - Titanium pigment and process for producing the same : en
  • US2212755A - Handling device : en
  • GB525261A - Improvements in and relating to the preheating of thermosetting compositions : en
  • DE695576C - Adjustable operating table : de en
  • DE695692C - Process for refining print extracts from hard coal : de en
  • PL29230B1 - Paul Obermayr, Mittweida. 'Darning knitting machine. : en pl
  • US2213181A - Pressure relief device : en
  • ES145858A1 - Improvements in the systems to regulate the treatment of fluent materials. : en es
  • GB525462A - Improvements in or relating to two-way telephone and telegraph circuits : en
  • US2213034A - Gain control circuits : en
  • US2212550A - Screening apparatus and the like : en
  • US2212808A - Signaling method and apparatus : en
  • CA390967A - Chlorinated rubber product : en fr
  • CH211207A - Process for the production of a hemostatic and wound healing agent. : de en
  • DE695650C - Block-shaped radiator : de en
  • ES145919A1 - Acoustic arm for phonographs, equipped with a lighting device. : en es
  • US2212607A - Diaphragm and pressure operated valve : en
  • FR857207A - Process for the preparation of stable aqueous solutions of an organic sulfonate : en fr
  • ES145788A1 - A insurance system for guns. : en es
  • ES145784A1 - An apparatus for the extraction and filtering of all kinds of masses and liquids. : en es
  • FR857062A - : fr
  • FR857181A - case for cigarettes, cigars and the like : en fr
  • US2212740A - Power transmission : en
  • US2212920A - Airplane brake : en
  • US2213023A - Catadioptric device and method of manufacture thereof : en
  • US2212683A - Control for recoil : en
  • PL29214B1 - Hoesch Aktiengesellschaft, Dortmund. Zip fastening for footwear or clothes. : en pl
  • DE695686C - Motion picture projector with an electric drive motor attached to the housing support for direct drive : de en
  • FR857214A - Bicycle or other vehicle with saddle, with pump incorporated in the frame and tilting saddle : en fr
  • PL29173B1 - The method of producing coffee substitutes and coffee additives. : en pl
  • GB525574A - An improved method of and apparatus for regulating a condition affected by variations in the rate of supply and/or demand for a fluid : en
  • ES145913A1 - An anti-glare headlight. : en es
  • GB525536A - Improvements in identification tags : en
  • GB525348A - Improvements in or relating to devices for containing and dispensing fluids : en
  • FR857179A - Process for preparing colored materials from polyvinyl acetals and colored materials obtained by this process : en fr
  • FR857156A - Switch refinements : en fr
  • ES145828A1 - Improvements in the projectiles with stabilization fins. : en es
  • FR857161A - Improvements made to electrical installations subject to very intense variations in speed, in particular those for electrical welding : en fr
  • DE695736C - Robbery winch for pit ram with two drives for the winch shaft : de en
  • GB525545A - Improvements in and relating to cargo derricks : en
  • PL29213B1 - Impact absorber for hot tube rolling mill. : en pl
  • GB525569A - Improvements relating to watches : en
  • GB525526A - Device for the distribution of heating gas for underjet coke ovens : en
  • GB525413A - Improvements in or relating to the construction of fibre boards or like building boards and their fixture in situ : en
  • GB525459A - Improvements in electric water heaters : en
  • GB525480A - Improvements in oil fired road heating and drying furnaces : en
  • DE695623C - Evacuated controllable electron discharge vessel with single or multiple disconnected oxide cathode : de en
  • PL29181B1 - Zdzislaw Dumicz, Warsaw. l Steam-air blower for smoke-free combustion of hard coal or its fine coal in steam boiler furnaces. : en pl
  • USD122181S - Design for a dress : en
  • DE695670C - Latch lock : de en
  • GB525506A - Improvements in or relating to the treatment of minerals by froth flotation : en
  • AT159431B - Process for the production of organic iodine compounds. : de en
  • US2213006A - Printing ink : en
  • CA390913A - Internal combustion engine : en fr
  • CH211168A - System for monitoring the injection point in internal combustion free-piston engines. : de en
  • US2212630A - Shipping and display carton : en
  • US2212631A - Compressor regulator : en
  • CH211077A - Electric immersion heater with electrode heating. : de en
  • CH211148A - Binary magnesium alloy. : de en
  • CH211105A - Device for detachable fastening of hems on men's trousers. : de en
  • US2212841A - Apparatus for the aeration of liquids : en
  • AT159414B - Luminescent screen for Braun tubes, preferably for projection purposes. : de en
  • AU111299B2 - Improvements in and relating to electric discharge apparatus : en
  • CH211159A - Screw. : de en
  • USD122239S - Design for a dress : en
  • US2212643A - Discharge tube for keeping voltages constant : en
  • US2212754A - Ingot tong bit : en
  • US2212788A - Flour sifter : en
  • USD122203S - Design for a brooch or similar article : en
  • US2212950A - Method and apparatus for spectrum excitation : en
  • US2213085A - Temperature-compensated electrical device : en
  • USD122162S - Design fob a dress : en
  • CA390978A - Barbed wire : en fr
  • US2212882A - Door hinge : en
  • US2213005A - Knitting machine : en
  • CH211107A - Hard rubber outsole with grip studs for shoes. : de en
  • AU16140A - Improvements in thermic siphons : en
  • US2212573A - Lipstick holder : en
  • DE695493C - Inhalation valve for gas masks : de en
  • DE695684C - Residual weighing device on automatic scales : de en
  • US2212832A - Four pole device with nonlinear resistors : en
  • US2212867A - Flexible transmission coupling : en
  • CH211118A - Process for producing durable metal coatings. : de en
  • ES145871A1 - Improvements in the separation of solid substances from oil residues. : en es
  • GB525299A - Improvements relating to adjustable vehicle seat frames : en
  • PL29174B1 - A method of imparting fine lead ores to crimped nuggets for lead in a Scottish kiln. : en pl
  • US2212966A - Light modulation system : en
  • FR857105A - Dust separator, especially intended for cleaning the air in grinding machines : en fr
  • US2212602A - Shoe-display stand : en
  • US2212880A - Field divider : en
  • FR857102A - Tissue bandages, tapes, flexible tubes : en fr
  • GB525564A - Improvements in or relating to guards for machines comprising rollers arranged in pairs : en
  • AU219139A - Improvements in and relating to luminous electric discharge devices : en
  • GB525434A - Method of and apparatus for preparing flared end tubes and the protecting and clamping sleeves therefor : en
  • GB525588A - Improvements in or relating to the manufacture of stable suspensions of graphite or other finely divided products : en
  • ES145972A1 - Improvements in the treatment or humidification of organic products. : en es
  • US2212940A - Automotive lift : en
  • US2213093A - Meter potential coil : en
  • USD122111S - Design fob a watch : en
  • DE695635C - Process for the production of waxy substances : de en
  • US2213165A - Coaster brake : en
  • DE695691C - Process for the production of isatin derivatives : de en
  • FR857184A - Magnetic process for dredging, signaling and lifting of submerged magnetic bodies : en fr
  • GB525454A - Improvements in electric motor control systems : en
  • GR9189B - HOW TO ACHIEVE GASOLINE ECONOMY IN CARS. : el en
  • ES145770A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 144958 : en es
  • US2212566A - Casein paint and method of preparing the same : en
  • USD122235S - Rosen dress ensemble : en
  • US2212994A - Balanced gear pump : en
  • USD122198S - Brooch pin or similar article : en
  • GB525310A - Improvements in or relating to the cooling of diesel-type engines and the supply of combustion air thereto : en
  • FR857124A - A method of producing ornamental, dyed solid swelling effects on surface cellulosic textile bodies : en fr
  • GB525279A - Improvements in and relating to valve bags : en
  • ES145837A1 - A procedure to obtain a packing machine or material for joints. : en es
  • FR857103A - Power plant, in particular for the mechanical propulsion of submerged vehicles, and vehicles including application : en fr
  • DE695640C - Process for the introduction of organic residues : de en
  • DE695562C - Electrode for melt electrolysis : de en
  • ES145865A3 - Process for the manufacture of hydrophilic dressings in the form of nappa or tape. : en es
  • US2212760A - Automatic temperature regulator : en
  • ES145878A2 - IMPROVEMENTS INTRODUCED IN THE MAIN PATENT NUMBER 145146 : en es
  • GB525484A - Improvements in the treatment of artificial filaments, threads, yarns and like materials : en
  • FR857212A - Improvements in load distribution devices between the various power plants in a network, or the various generators in a power plant : en fr
  • US2212622A - Method of glazing hollow clay bodies : en
  • GB525518A - Improvements in or relating to settings for continuous vertical retorts : en
  • USD122154S - Design fob a dress : en
  • DE695501C - Process for processing complex high-sulfur lead and zinc-containing ores and refined products : de en
  • ES145786A1 - A new procedure to obtain a coating for walls and tiling. : en es
  • GB525511A - Improvements in or relating to seam pressing or like machines : en
  • CH211150A - Guide barrel for bar turning machines. : en fr
  • US2212949A - Umbrella safety device : en
  • FR857167A - Gimbal mounted horizon indicator instrument : en fr
  • DE695744C - Pole wheel with a servo motor installed at the height of the hub : de en
  • GB525483A - Improvements in and connected with thermal switch apparatus for electric fire alarms : en
  • ES145961A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 145734 : en es
  • FR857162A - Drawer for the distribution of internal combustion engines : en fr
  • GB525402A - Electronic amplifier : en
  • US2212957A - Locking mechanism : en
  • DE695466C - Sealing and finger protection strip for sliding and folding sliding doors, especially for motor vehicles : de en
  • DE695584C - Machine gun with movable barrel : de en
  • ES145868A1 - Adjustment device. : en es
  • FR857147A - Assembly for establishing toys that imitate a bird song : en fr
  • FR857230A - Brake lining for internal hub brakes, in particular on bicycles and similar vehicles : en fr
  • DE695518C - Internal combustion engine : de en
  • AT159361B - Echo sounder system for aircraft. : de en
  • AT159433B - Process for increasing the toughness of glass objects. : de en
  • DE695604C - Device for softening hair, in particular whiskers : de en
  • US2213086A - Current responsive instrument : en
  • AT159448B - Cushioning, in particular for motor vehicles. : de en
  • FR857145A - Process for preparing liquid saturated hydrocarbons : en fr
  • GB525388A - A process for separating fractions of different properties from mixtures of hydrocarbons by crystallisation : en
  • DE695630C - Process for dyeing blended fabrics made from animal fibers and cellulose fibers with chromable substantive dyes or mixtures thereof with any chromable wool dyes : de en
  • GB525257A - Improvements in or relating to air bricks, ventilating ducts and the like : en
  • GB525499A - Improvements in or relating to oil-insulated transformers : en
  • US2212836A - Condenser dielectric : en
  • DE695637C - Process for the preparation of leuco-5,6,7,8-tetrahydroquinizarin : de en
  • AT159450B - Process for the production of perforated metal sheets which are suitable, for example, as electrode material for electron tubes. : de en
  • US2213029A - Feeding mechanism for sewing machines : en
  • US2213017A - Air conditioner for automobiles : en
  • PL29225B1 - Edgar Hoppe, Amsterdam. Multilayer bag of paper or other material, and method of producing the bottom of the bag. : en pl
  • CA390946A - Liquid congealing apparatus : en fr
  • US2212506A - Preparation of methylene dialkyl malonates : en
  • US2212729A - Bit : en
  • US2212955A - Pressure differential operated motor : en
  • US2213062A - Safety razor blade : en
  • GB525605A - Improvements in or relating to electromagnets excited by alternating current : en
  • AU378439A - Rolling blind : en
  • US2212645A - Electron tube : en
  • US2212719A - Sanitary gown : en
  • ES145769A1 - A procedure to obtain leather regeneration. : en es
  • CH211243A - Process for the preparation of a new mixture of quaternary ammonium compounds. : de en
  • DE695732C - Device according to patent 616667 for securing lanterns against the outflow of fuel : de en
  • US2212715A - Method of and machine for forming tubing : en
  • US2212726A - Means for facilitating removal of cover strips of frost shields : en
  • US2213141A - Collapsible awning : en
  • US2212888A - Combined wire cutter and bender : en
  • USD122122S - Design for a shoe or similar article : en
  • US2212904A - Power clutch and brake assemblage : en
  • US2212536A - Insecticidal composition : en
  • US2213105A - Radio control system : en
  • CH211081A - Basin for melting glass and pouring this molten glass in the form of thin veins. : en fr
  • CH211255A - Process for the preparation of a new ester of estradiol. : de en
  • US2212851A - System for amplifying electrical oscillations : en
  • US2213142A - Knitting machine : en
  • AT159401B - Device for length measurement on an electromagnetic basis. : de en
  • CH211160A - Torque converter based on the Föttinger principle. : de en
  • PL29217B3 - : en pl
  • PL29228B1 - Kooperativa Fórbundet, Fórening u. P. A., Stockholm. . ^ Cash register with lockable cash drawer. : en pl
  • US2212945A - Lensless protective spectacles, goggles, and the like : en
  • DE695726C - Device for stepless regulation of the delivery rate of a reciprocating compressor : de en
  • USD122160S - Design for a signal horn unit similar article or : en
  • ES145789A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 145064 : en es
  • DE695588C - oden for unloading devices : de en
  • FR857166A - Gas regulating and measuring device : en fr
  • US2212591A - Automatic hydraulic lifting device for vehicles : en
  • US2212792A - Radio control : en
  • ES145826A1 - Procedure for obtaining and using new derivatives of azo dyes containing at least one hydroxyl group. : en es
  • FR857210A - Step-down transformer for the economical supply of lamps or lighting devices : en fr
  • CA390955A - Polymerization process : en fr
  • DE695530C - Process for the production of electrolytic capacitors with an absorbent porous intermediate layer : de en
  • AU111291B2 - Improvements in luminescent materials for electric discharge lamps : en
  • AT159355B - Image delimitation finders, in particular for photographic purposes. : de en
  • US2212793A - Antidazzle device : en
  • US2213014A - Magnetic clamp : en
  • DE695475C - Switchgear with contacts in gas and with electromagnetic blowing : de en
  • AU557339A - Improvements in and relating to electric discharge apparatus : en
  • DE695496C - Device for feeding press material in ring roller presses : de en
  • DE695600C - Process for the production of thermally less stressed resistors from a metal alloy for measuring purposes : de en
  • AU1240B - Electric welding media : en
  • US2212929A - High power discharge device : en
  • US2213018A - Air conditioner for automobiles : en
  • US2212724A - Stoker furnace or heater : en
  • US2212673A - Phonograph : en
  • CA390929A - Modified t-rail section : en fr
  • US2212778A - Wedge adjusting mechanism for locomotive drive boxes : en
  • US2212510A - Machine for ramming molds : en
  • US2212962A - Means for puffing slag : en
  • BE439195A - : en
  • DE695504C - Condenser for refrigerators : de en
  • CH211125A - A method of optically recording and copying crosslinked films. : en fr
  • CH211199A - Electron tubes, in particular cathode ray tubes. : de en
  • USD122200S - Design for. a coat : en
  • USD122221S - Design foe a skooch fin or similar. article : en
  • AT159370B - Composite metal, in particular for dental technology purposes. : de en
  • CA390959A - Cement clinker cooling method : en fr
  • US2213046A - Ash tray : en
  • USD122237S - Dress ensemble : en
  • GB525577A - Improvements in and relating to the preduction of textile threads : en
  • US2213146A - Photographer's work cabinet : en
  • US2213121A - Method of and means for superheat control : en
  • US2212876A - Nonglare headlight : en
  • US2213063A - Wheel construction : en
  • US2213111A - Power drive mechanism : en
  • US2212812A - Means for feeding webs from printed rolls : en
  • CA390986A - Asphalt bagging apparatus : en fr
  • DE695455C - motor vehicles in place : de en
  • GB525468A - Improvements in or relating to the exhaust systems of internal combustion engines onaircraft : en
  • FR857172A - Machine for calibrating the typographic lines made in the machines for composing the dies and melting the characters : en fr
  • GB525358A - Improvements in or relating to measuring gauges : en
  • CA390971A - Sewing machine : en fr
  • USD122191S - Design fob a textile fabric : en
  • GB525323A - Improvements in and relating to colloid mills : en
  • US2212498A - Holder for looped match books : en
  • GB525400A - Improvements in or relating to aerofoils for aeroplanes : en
  • US2213128A - Alkaline storage battery : en
  • GB525417A - Improvements in or relating to electromagnetic relays : en
  • GR9188B - SYNTHETIC MATERIAL FOR COATING AND MANUFACTURE OF WAXED FABRICS (MUSAMADS). : el en
  • US2212838A - Game : en
  • US2213158A - Two-stage engine starter control : en
  • FR857177A - Process for producing indetonating fuels by cracking oily hydrocarbons : en fr
  • US2212764A - Mold : en
  • GB525450A - Improvements in and relating to luminairs : en
  • GB525436A - Improvements in or relating to tipping suction devices for sheet-separators : en
  • ES145864A1 - A process for manufacturing a disinfection product. : en es
  • US2212794A - Electrically heating foodstuffs : en
  • USD122204S - Design for a pin cup : en
  • US2212641A - Process for dispersing pigments : en
  • US2212958A - Motorcycle trailer hitch : en
  • US2212605A - Machine for cutting annular fruit bodies : en
  • US2213025A - Bottom rail construction for vehicle bodies : en
  • GB525375A - Improvements in or relating to hardened lead alloys particularly adapted for use in bearings : en
  • US2213094A - Hat flanging and hydraulic machine : en
  • AU383739A - Improvements in or relating to ultra short wave apparatus : en
  • US2213091A - Electric signaling and indicating system : en
  • US2212797A - Vending machine : en
  • US2212809A - Antifreeze solution indicator : en
  • US2212905A - Deep fat food fryer : en
  • GB525601A - An improved circuit arrangement comprising a cathode-ray tube : en
  • US2213028A - Rubber tire and method of making the same : en
  • US2212986A - Vehicle actuated traffic signal : en
  • DE695599C - Arrangement for the simultaneous pressing of a negative reverse voltage on the grid of all anodes of a converter : de en
  • GB525512A - Improvements in or relating to the finishing of surfaces or coating compositions adapted for use therein : en
  • US2212606A - Combustion control : en
  • US2213104A - Controllable energy dissipator : en
  • US2213183A - Electric rare gas lighting tube : en
  • USD122219S - Design for a pin clip : en
  • AU388439A - Improvements in or relating to the treatment of compounds : en
  • US2212520A - Stemmer for tobacco leaves : en
  • US2212680A - Load transfer device : en
  • US2213060A - Cathode ray tube : en
  • AT159430B - Process for the production of multi-colored rubber sheets. : de en
  • US2212635A - Gift exchange plan device : en
  • FR857187A - Safety device to prevent the balancing screw of the high frequency induction coils from rotating : en fr
  • GB525583A - Improvements in or relating to flux cored solders : en
  • PL29223B1 - Antonie Neveril, oimutz. Vending machine for selling gasoline, oil or other liquids. : en pl
  • US2213124A - Electric switch : en
  • US2213176A - Television transmitting tube : en
  • USD122177S - Design for a dress : en
  • US2212845A - Generating and transmitting electric currents : en
  • ES145795A1 - An improved procedure for making canopies for parachutes. : en es
  • DE695484C - Centrifugal casting machine : de en
  • DE695620C - Block card index : de en
  • ES145838A1 - Process for obtaining carbonic acids of the cyclopentane-polyhydrophenanthrene series. : en es
  • GB525600A - Improvements in the construction of electric discharge tubes : en
  • US2212981A - Chronograph : en
  • DE695497C - Device for closing bags for ext : de en
  • FR857134A - Process for obtaining finely divided sulfur : en fr
  • AU111270B2 - Improvements inthe coating with luminescent material ofthe inner surface ofa hollow vessel : en
  • AU111285B2 - Improvements in binders for loose leaves andthe like : en
  • PL29198B3 - Ringhoffer - Tatra-Werke A. G., Prague-Smichov. Off-road vehicle. : en pl
  • US2213083A - System of temperature control : en
  • CH211165A - For venting a gyro or Venting device with pump serving for propeller pump. : de en
  • DE695533C - Machine for the production of long slotted dough pieces : de en
  • GB525581A - Improvements in and relating to water softening : en
  • SU57742A1 - Electronic multiplier : en ru
  • US2212885A - Self-cleaning electric gas cleaner : en
  • CA390928A - Palm oil processing : en fr
  • CA390951A - Fertilizer : en fr
  • CA390981A - Railway vehicle coupler : en fr
  • US2212911A - Chain link : en
  • USD122152S - Design for a display box for jewelry or the like : en
  • CA391007A - Ice freezing device : en fr
  • GB525425A - Improvements in apparatus for short-wave therapy and the like : en
  • DE695477C - Device for regulating the speed of DC motors for stage signal boxes : de en
  • ES145889A1 - Process for the extraction of alumina, from materials rich in silica, such as silicates and minerals silico-aluminum-calcareous, schists or similar, natural or artificial. : en es
  • AT159397B - Electric belt filter. : de en
  • DE695531C - Injection compound : de en
  • DE695538C - Album for transparent pictures : de en
  • ES145900A1 - Improved armature for pipes, posts and other reinforced concrete parts and resulting parts. : en es
  • US2212681A - Soil gas analysis : en
  • USD122153S - Design for a dress ensemble : en
  • USD122195S - Brooch pin or similar article : en
  • US2213035A - Air lock for a sifter : en
  • SU57735A1 - Device for receiving telegraph signals : en ru
  • PL29179B1 - A method of producing aluminum sand using an impact mill. : en pl
  • US2212555A - Fan construction : en
  • US2212523A - Brake : en
  • US2213113A - Method for testing thin rubber articles : en
  • USD122218S - Design for a pin : en
  • US2212632A - Fuse device : en
  • US2212678A - Perforating punch and die assembly : en
  • US2213118A - Adjustable headband : en
  • CH211178A - Steam system. : de en
  • DK57924C - Apparatus for peeling fish fillets. : da en
  • US2212963A - Communication and power system : en
  • CH211099A - Stocking. : de en
  • PL29222B1 - Biissing-Nag Vereinigte Nutzkraftwagen Aktiengesellschaft, Braunschweig. Placing the engine under the floor. : en pl
  • US2212953A - Object clamp for microtomes, etc. : en
  • ES145790A1 - Machine to make paper. : en es
  • DE695672C - Control device for gun stands : de en
  • ES145895A1 - A pneumatic hammer pistol for the pressure greasing of motor vehicles. : en es
  • GB525298A - Improvements relating to book-rests : en
  • ES145836A1 - A device for obtaining photocopies. : en es
  • ES145959A1 - Procedure for the separation, decomposition and preparation in state of purity, of the carbonyl compounds that are obtained in the disintegration of the steroid side chains. : en es
  • CA390917A - Airplane fuel feeding system : en fr
  • US2212992A - Antiknock fuel : en
  • US2212736A - Amusement device : en
  • FR857209A - Process for the preservation of eggs and other perishable products and means of realization : en fr
  • GB525455A - Improvements in and relating to lifting jacks : en
  • US2212579A - Refrigeration apparatus for air conditioned passenger vehicles : en
  • US2212672A - Phonograph : en
  • US2213047A - Loading mechanism for mixers : en
  • DE695699C - grounding condition : de en
  • DE695697C - Device for the automatic synchronization of synchronous machines : de en
  • GB525473A - Improvements in or relating to the manufacture of ether alcohols : en
  • USRE21542E - Corn picker : en
  • GB525608A - Improvements in or relating to electric discharge tubes for the photo-electric transformation of light : en
  • DE695611C - Check printer for cash registers or accounting machines : de en
  • CH211175A - Electrode for high voltage flashover distributor. : de en
  • GR9183B - GUIDE OF PRESSURE PAINTED CYLINDERS OF STRESSING SPINNING MECHANISMS. : el en
  • CA390948A - Railway car brake : en fr
  • FR857140A - Improvements to negative feedback amplifiers : en fr
  • GB525334A - Improvements in and relating to protective devices for electric transmission systems : en
  • GB525350A - Improvements in illuminating devices : en
  • US2212590A - Azo dyestuffs : en
  • CA390904A - Cheese cutter : en fr
  • CA390990A - Geophysical exploration method : en fr
  • AT159412B - Steam converter. : de en
  • US2212638A - Ornamental article of manufacture : en
  • AT159360B - Tablet press. : de en
  • US2212583A - Reaction chamber : en
  • US2212691A - Cord preparing mechanism : en
  • US2213032A - Electric fuse and contact therefor : en
  • US2213012A - Lamp : en
  • US2213140A - Device for generating a beam of ions of high velocity : en
  • CA12848S - Chute for machine gun ammunition : en
  • CH211113A - Process for the preparation of 5,8-dimethyltocol-benzyl ether. : de en
  • CH211137A - Device for indirect measurement of the current in a conductor through which direct current flows. : de en
  • CH211176A - Gas turbine plant with rapid control. : de en
  • CH211152A - Process for tempering magnesium alloys. : de en
  • DE695619C - s band iron strips : de en
  • DK57919C - Goniometer. : da en
  • CA390938A - Chemical process : en fr
  • ES145728A3 - Procedure for the production of antiknock benzenes and aromatic hydrocarbons. : en es
  • CH211088A - Apparatus for preparing whipped cream. : de en
  • FR857211A - Shelter-gate : en fr
  • CH211257A - Process for the preparation of a new ester of estradiol. : de en
  • DE695673C - Method of making panels from stone wood : de en
  • AT159375B - Brush holders for electrical machines. : de en
  • DE695717C - Device for preventing the overexertion of motor vehicle engines : de en
  • CH211231A - Anti-skid device for shoes. : de en
  • AT159357B - Hiking pillars for mining to support the hanging wall. : de en
  • USD122113S - Spoon or other article of flatware : en
  • GB525312A - Improvements relating to tractor-trailer couplings for motor road vehicles : en
  • GB525328A - Improvements in and relating to actuating means for brake shoes : en
  • GB525599A - Improvements in or relating to electric discharge tubes : en
  • GB525551A - Improvements in or relating to bearing mounting : en
  • GR9180B - INDEPENDENT COATING OF SHOE INSIDE. : el en
  • AT159441B - Method for the detection of dichlorodiethyl sulfide. : de en
  • AT159379B - Process for the preparation of therapeutically valuable alcohols. : de en
  • US2212834A - Exposure timer : en
  • USD122227S - Design for a dress : en
  • CA390896A - Carton and sealing method : en fr
  • CA390908A - Organic compound production : en fr
  • DE695469C - Process for the production of peat coal : de en
  • DE695511C - Power supply for an electrically heated curling iron : de en
  • DE695725C - Electric discharge lamp used for lighting, in which a fluorescent layer arranged on the inner surface of the lamp wall is excited to glow : de en
  • DK57925C - Tubular Wall Pluck or similar Pluck. : da en
  • USD122163S - Design for a battery display rack : en
  • FR857242A - Process for recovering ammoniacal vapors contained in a gas : en fr
  • GB525432A - Improvements in the manufacturing of bearings for machine parts : en
  • GB525517A - Improved manufacture of electric resistance material : en
  • US2212540A - Method of and system for reducing static : en
  • FR857127A - Improvements in the separation of constituents from coal distillation gases, and the like : en fr
  • GB525373A - Method and apparatus for coating covers or bottoms for preserve tins, cans or like containers : en
  • GB525460A - Improvements in or relating to connectors for electrical conductors : en
  • DE695525C - Locomotive for high performance : de en
  • DE695710C - Magneto : de en
  • DK57927C - Field drum. : da en
  • US2213096A - Slide band bracelet : en
  • ES145817A1 - A procedure with the corresponding apparatus to soften the water intended for boiler feed. : en es
  • US2212514A - Shoe and shoe manufacture : en
  • US2212746A - Safety harness for children : en
  • ES145808A1 - A PROCEDURE AND DEVICE FOR OBTAINING ROLLS OF CROSSED THREAD : en es
  • PL29191B1 - A device for increasing the clamping force of a sound carrier against a rotating sound path of the sound reproducing apparatus during the start-up period of the apparatus. : en pl
  • US2213171A - Closure fastener : en
  • GB525301A - Improvements in or relating to shaft furnaces and kilns : en
  • US2212695A - Tool suspension : en
  • DK57923C - Electrical Discharge Pipe and Procedure for its Manufacture. : da en
  • DE695483C - Machine for cutting fur-bearing skins : de en
  • GB525491A - Improvements in steam valves : en
  • AU217039A - Improvements inthe manufacture of valves having oxide-coated thermionic cathodes : en
  • GB525391A - Device for use in checking forecasts on pool coupons and the like : en
  • GB525466A - A machine or appliance for cutting grooves, channels and the like : en
  • GB525291A - Improvements in or relating to cycle saddles : en
  • FR857220A - Peeling machine, especially for potatoes, tubers, fruits, etc. : en fr
  • GB525443A - Improvements in and relating to the catalytic cracking of hydrocarbon oils : en
  • US2212982A - Insulated metal building construction : en
  • ES145794A1 - A procedure to obtain an elastic fabric. : en es
  • GB525264A - Improvements in cup and saucer and similar two-piece sets : en
  • DE695572C - Ramic fries : de en
  • DE695700C - Device for measuring the higher harmonics of an alternating voltage : de en
  • US2212735A - Fire extinguishing means : en
  • US2212773A - Match package : en
  • US2212833A - Outlet control valve for fuel pumps : en
  • USRE21543E - potts : en
  • US2212717A - Rotary compressor for refrigerating apparatus : en
  • US2213155A - Refrigeration apparatus : en
  • DE695488C - Process for the preparation of reaction products of styrene : de en
  • DE695561C - Process for the preparation of soluble and at the same time high molecular weight polymerisation products of acrylic acid compounds : de en
  • DE695577C - Flow rate meter with correction of the flow rate according to pressure and temperature : de en
  • DE695743C - Paper designed for isolating telephone wires : de en
  • US2212915A - Machine for making drinking and similar tubes : en
  • US2213074A - Gas generator : en
  • US2212687A - Recoil device for machine guns : en
  • USD122171S - Design for a table : en
  • CA390985A - Railway car truck : en fr
  • US2212985A - Automatic traffic control system : en
  • US2212500A - Stuffing-box packing : en
  • AU30440A - Improvements inbox making machines : en
  • CH211229A - Control device for propellers, in particular aircraft propellers, the blades of which are adjusted by a hydraulically operated device. : de en
  • US2213027A - Device for honing cylindrical surfaces : en
  • AU377439A - Improvements in or relating to composite sheets andthe like for building andother purposes : en
  • US2212907A - Multiple assembly roller chain : en
  • US2213178A - Television transmitting tube and system : en
  • CA390995A - Paper production : en fr
  • CH211154A - Process for the production of a magnesium alloy of high strength. : de en
  • US2212516A - Shoe and method of making the same : en
  • US2212554A - Voltage regulating system : en
  • PL29218B1 - Auto Union Aktiengesellschaft, Chemnitz. Doors of synthetic resin or similar material, especially for motor vehicles. : en pl
  • US2212913A - Valve : en
  • AT159380B - Locking device, in particular for switches or their setting devices. : de en
  • AU217239A - Improvements in or relating to navigation aiding radio systems : en
  • CH211193A - Amplifier circuit with multiplier tubes. : de en
  • AU277339A - Improvements relating to driving arrangements comprising electric motors : en
  • AT159374B - Brush holders for electrical machines. : de en
  • AT159403B - Solid fuel firing. : de en
  • DE695465C - Process for treating mineral fiber materials (glass or slag wool, etc.) : de en
  • DE695701C - Electric arc lamp : de en
  • DE695676C - Pliers-like rider for weaving shafts : de en
  • GB525496A - Improvements in hot air or gas power engine plant : en
  • CH211200A - AC energized relay. : de en
  • FR857185A - New flexible transmission medium with variable speed : en fr
  • US2212657A - Track construction : en
  • CH211104A - Leg protection, in particular for cyclists and motorcyclists. : de en
  • ES145906A1 - Improved element of pipe, procedure and tools for its manufacture. : en es
  • US2212497A - Rotary pump or motor : en
  • AU111262B2 - Improvements in or relating to automatic cutoff devices for electrical heating elements : en
  • AT159353B - Soft single material collar. : de en
  • AU111280B2 - Improvements in thermic siphons : en
  • GB525277A - Improvements in the internal toe-puff of footwear : en
  • AT159427B - Method to avoid substantial polymerization in distillation and storage of methyl vinyl ketone. : de en
  • DE695554C - Measuring device for determining the number of seconds of current or voltage pulses : de en
  • US2212621A - Process for treating fruits : en
  • US2212822A - Washing machine : en
  • US2212829A - Switch with visible indicating means : en
  • PL29178B1 - An apparatus for recording and reproducing sounds using a circulating audio medium with a plurality of sound traces extending in a longitudinal direction of the medium. : en pl
  • US2212703A - Drawing instrument : en
  • USD122114S - Design fob a trellis : en
  • FR857170A - Steel alloy for the manufacture of hand and pneumatic chisels, grinders, dies, cutlery stamps, and the like : en fr
  • US2212733A - Valve : en
  • US2212980A - Machine for polishing journals of railroad vehicle axles : en
  • AU32740A - Improvements inthe coating with luminescent material ofthe inner surface ofa hollow vessel : en
  • DE695540C - Plant for drying or purifying air : de en
  • CH211069A - Process for the manufacture of reinforced concrete beams. : en fr
  • AT159391B - Arrangement for combating vibrations in converters with smoothing means in the direct current circuit. : de en
  • DE695681C - ARC LAMP WITH A MOTOR DRIVEN FEED DEVICE FOR THE COALS : de en
  • USD122220S - Jl coj : en
  • US2213071A - Putty knife : en
  • CH211233A - Process for the preparation of a condensation product which can be used for pest control. : de en
  • CA390924A - Lobster canning process : en fr
  • DE695454C - Method and device for the production of hollow bodies from plastic masses : de en
  • CH211190A - Overvoltage protection device, in particular for shielded antenna systems. : de en
  • AT159422B - Process for the preparation of resinous condensation products. : de en
  • CH211201A - Process for the production of dental prostheses. : de en
  • PL29201B1 - Device for separating materials, especially fibrous materials. : en pl
  • CH211213A - Filter arrangement for use in electrical switches in wire radio systems. : de en
  • CH211217A - Summing device for adding up pulses, in particular for remote counting systems that operate according to the pulse frequency method. : de en
  • GB525327A - Improvements in or relating to gloves : en
  • GB525519A - Improvements in yarn or thread guides used in spinning and twisting frames with revolving rings : en
  • US2212604A - Apparatus for depth measurement by echo reception methods : en
  • US2212716A - Wheel and tire replacing tool : en
  • US2213177A - Television transmitting tube : en
  • CA391001A - Rubber age resister : en fr
  • CA390996A - Casement window mechanism : en fr
  • CH211215A - Circuit arrangement for automatic and semi-automatic telephone systems. : de en
  • AU111271B2 - Improvements in or relating to television antenna : en
  • CH211248A - Process for the preparation of a new quaternary ammonium compound. : de en
  • CH211134A - Volumetric apparatus for liquid under pressure. : en fr
  • US2212906A - Building construction : en
  • US2213041A - Method of and apparatus for forming filamentary argillaceous particles : en
  • GB525475A - Improvements in driving units for motor vehicles : en
  • CH211079A - Locking device for doors and the like. : de en
  • CH211182A - Device for the production of bodies of a certain shape and size by freezing liquids. : de en
  • CH211186A - Electric cable for the transmission of high voltage currents and process for the production thereof. : de en
  • US2212598A - Apparatus for mixing gas and liquid : en
  • US2213015A - Kitchen tool : en
  • USD122118S - Combined ice cream freezer and dispenser : en
  • US2212651A - Golf club or putter : en
  • AU111279B2 - Elastic waistband for trousers : en
  • US2212971A - Facsimile synchronizing system : en
  • USD122212S - Design for a dress : en
  • US2212995A - Preparation of catalysts and their use in the polymerization of hydrocarbons : en
  • GB525341A - Filtering vessel for coffee and the like : en
  • CH211221A - Trough conveyor for sensitive goods. : de en
  • AT159362B - Dynamic secondary emissions multiplier. : de en
  • USD122132S - Design for a combined tie clasp and pencil : en
  • GB525412A - Improvements in and relating to typographical composing machines : en
  • CH211100A - Apparatus for the production of patterned, reversible clad knitwear. : de en
  • ES145756A1 - Procedure for obtaining new azo dyes containing metals. : en es
  • GB525531A - Improvements in or relating to heat exchangers of the tubular type : en
  • ES145922A1 - Key tuning device for radio reception devices. : en es
  • DE695515C - Monitoring device for gas generators that works step by step with alternating between heating and gas extraction : de en
  • DE695716C - Auxiliary device for towing and switching on the friction clutch of a motor vehicle equipped with a change gear : de en
  • CA390962A - Rubber protective coating : en fr
  • DE695456C - Locking or connecting hook for bracelets with a spring-loaded locking slide for the hook mouth : de en
  • USD122226S - Brainard chair : en
  • US2213110A - Plate finishing machine : en
  • US2212512A - Lasting machine : en
  • US2212727A - Drill bit : en
  • US2212634A - Relay testing method and apparatus : en
  • DE695719C - Steering device for power carts, especially electric carts : de en
  • AT159368B - Device for determining aircraft altitudes. : de en
  • AT159377B - Process for the preparation of descendants of 2-oxocycloparaffincarboxylic acids- (1). : de en
  • GB525597A - Improved method of soft-soldering insulated flexible electric conductors : en
  • FR857234A - Process for the production of pigments based on antimony trioxide and products obtained by this process : en fr
  • US2212655A - Detachable heel : en
  • US2212990A - Wall or the like : en
  • US2212561A - Car type radio station : en
  • AU111295B2 - Improvements in storage water heaters : en
  • DE695667C - Lighting device for cinema, television and advertising purposes : de en
  • US2212694A - Hot air gun : en
  • CH211110A - Process for the production of metal phosphates. : de en
  • ES145943A1 - Spark plug. : en es
  • AU559139A - Improvements in reaper-binders and like implements : en
  • CA390972A - Sewing machine : en fr
  • PL29189B1 - Overtaking signaling device for motor vehicles. : en pl
  • USD122119S - Design for a bubal mail box support : en
  • CA390898A - Self-loading truck : en fr
  • DE695734C - Locking device for gas-heated devices : de en
  • DE695610C - Electric high pressure discharge lamp for projection purposes : de en
  • CA390903A - Needle threading device : en fr
  • AT159358B - Iron pit stamp. : de en
  • US2212969A - Continuous facsimile radio recorder : en
  • USD122222S - Dress ensemble : en
  • AT159363B - Overcurrent delay fuse. : de en
  • CH211114A - Process for the production of a means for sealing components etc. : de en
  • USD122126S - Design fob a game board : en
  • CA390968A - Ammonium sulphate : en fr
  • US2212952A - Catalytic condensation of hydrocarbons : en
  • US2212588A - Apparatus for treating metal : en
  • CA390912A - Fire extinguisher : en fr
  • DE695490C - Lung-operated control for the oxygen supply valve of breathing apparatus, especially high altitude breathing apparatus : de en
  • SU57849A1 - Fish Grate Device : en ru
  • CH211211A - Magnetic amplifier. : de en
  • DE695502C - Two-stroke internal combustion engine with direct current flushing : de en
  • CH211256A - Process for the preparation of a new ester of estradiol. : de en
  • US2212552A - Apparatus for making shoes : en
  • US2212864A - Refrigerating apparatus : en
  • CA390993A - Vat dyestuff print production : en fr
  • FR857206A - Propeller-powered swimming apparatus controlled by two reciprocating rectilinear motion pedals : en fr
  • AU391139A - Elastic waistband for trousers : en
  • ES145778A1 - A coil exchange device for weft yarns. : en es
  • GB525423A - Method of and/or apparatus for measuring the concentration of oxidising or reducing agents in water : en
  • GB525263A - Improvements in and relating to automatic draught regulating devices for furnaces, stoves and the like : en
  • GB525286A - Improvements in or relating to vending machines : en
  • GB525274A - Improvements relating to means for synchronising the alternating mechanism of free piston machines : en
  • GB525572A - A device to prevent the theft of cycles, motor-cycles and the like : en
  • US2212718A - Blind : en
  • US2212747A - Combined expansion joint and union : en
  • US2212856A - Clipping device : en
  • US2213048A - Means for adjustment, particularly for telegraph apparatus : en
  • CA390930A - Lawn mower : en fr
  • CA390950A - Tractor and trailer coupling : en fr
  • CH211209A - Bobby pin. : de en
  • DE695402C - Process for the preparation of disazo dyes : de en
  • FR857186A - Charge compressor control of internal combustion engines : en fr
  • US2212739A - Adjustable cushion form : en
  • US2213126A - Textile marking composition : en
  • GR9186B - SOWER AND LIMITED LUBRICATION DEVICE. : el en
  • USD122192S - Design for a bug ob similar abticle : en
  • DE695553C - Method for measuring the sine of the phase shift angle ªŽ between current and voltage in an AC circuit : de en
  • GB525542A - Improvements in the polymerisation of isobutylene : en
  • USD122176S - Wonnacott sewing machine frame : en
  • US2212787A - Nonsplit nail : en
  • US2212548A - Telegraph keyboard mechanism : en
  • US2212705A - Piston peening device and the like : en
  • GB525488A - Apparatus for deodorising and cooling and, if desired, pasteurising lacteal liquids under vacuum : en
  • FR857222A - Improvements to waterproofed paper containers such as boxes, jars and others, in particular for storing pastes, creams, liquids and other products : en fr
  • GB525514A - Improvements in detergents : en
  • FR857148A - Stocking tie : en fr
  • GB525335A - Process for plasticizing rubber : en
  • ES145803A1 - New system of shaving apparatus. : en es
  • GB525340A - Improvements in and relating to electric hoists : en
  • ES145978A1 - A new car for invalids. : en es
  • GB525415A - Improvements in or relating to servo brake mechanism for vehicles : en
  • GB525507A - Improved driving mechanism for milling, boring and like machines : en
  • AU383139A - Improvements in luminescent materials for electric discharge lamps : en
  • CA390947A - Compressor apparatus : en fr
  • CA391008A - Railway traffic remote controlling apparatus : en fr
  • DE695598C - Device for changing the timing of the ignition of controllable arc discharge paths : de en
  • ES145810A1 - A NEW AUTOMATIC CURLING DEVICE FOR CURLING WICKED HAIR : en es
  • GB525342A - Improvements in or relating to television facsimile telegraph and like synchronisingsystems : en
  • US2212629A - Method of preparing composite pigments : en
  • US2212720A - Lasting tool : en
  • US2212820A - Rotary intaglio printing press : en
  • USD122223S - Design for a dress : en
  • US2212709A - Fluid flow regulator : en
  • US2212791A - Radio control : en
  • CH211262A - Transmission gear built into the bottom bracket housing of a bicycle. : de en
  • ES145927A1 - IMPROVEMENTS IN THE MANUFACTURE OF PIPE FITTINGS : en es
  • US2212616A - Crusher : en
  • US2212584A - Fastening-supplying mechanism : en
  • AU73139A - Improvements in or relating to methods and apparatus for interrupting or controlling electric currents : en
  • DE695528C - Arc chamber divided by transverse walls : de en
  • PL29199B1 - Hans Schróter, Wechmar and Kurt Schróter, Wechmar. Vehicle chassis. : en pl
  • DE695509C - Method for curing electrostatic capacitors : de en
  • DE695574C - Filter bag for cleaner in charcoal suction gas engine systems : de en
  • US2212805A - Process for making gasolines of high quality : en
  • US2212810A - Azeotropic distillation : en
  • USD122210S - Design for a coat : en
  • DE695510C - Electrode steam boiler with displacement bodies : de en
  • PL29231B1 - $ £ S ~ f 2> / l? Z Garbage truck tank. : en pl
  • US2212545A - Method of forming separable fastener stringers : en
  • US2212659A - Duplicating machine : en
  • US2213022A - Repair clamp for pipes : en
  • US2212997A - Safety valve : en
  • US2213067A - Fixed resistor : en
  • DE695632C - Centrifugal dust separator : de en
  • CA390907A - Organic acid processing : en fr
  • GB525550A - Improvements in or relating to gas turbine plant : en
  • DE695471C - Process for the production of hydrocarbon oils of high-boiling liquid or fusible substances containing carbon : de en
  • DE695680C - Quotient measuring device with two rotating coils, one of which oscillates in an inhomogeneous magnetic field : de en
  • US2212519A - Insecticide : en
  • DE695507C - Self-regulating arc lamp with carbon electrodes arranged at obtuse angles : de en
  • DE695529C - Pressurized gas nozzle switch with a separating point in series with the nozzle switching point : de en
  • GB525562A - Means for disinfecting water closets and lavatories : en
  • USRE21545E - Tubtjiar : en
  • US2212936A - Gas eliminator and fuel economizer : en
  • US2212742A - Scale lever system : en
  • US2212897A - Railway car : en
  • US2212647A - Pressure filter : en
  • GR9190B - METHOD OF MANUFACTURING PLASTICS FROM FLOUR OF VARIOUS ORIGINS PARTLY OR FULLY DEPRECIATED IN COMBINATION WITH ARTIFICIAL RESINS. : el en
  • ES145774A3 - A silent stenographic machine. : en es
  • GB525384A - Improvements in and relating to electric choke coils : en
  • DE695658C - Ruebenrodegabel with guide plate : de en
  • US2212707A - Lock : en
  • US2213049A - Compensating outside pipe cutter : en
  • US2212951A - Catalytic condensation of hydrocarbons : en
  • GB525433A - Improvements in or relating to the insulation of metallic parts of apparatus : en
  • GB525448A - Improvements in or relating to universal joints : en
  • GB525472A - Improvements in and relating to the coagulation of pigments in suspension : en
  • ES145757A1 - A new procedure for the preparation of magnesites and dolomites for use as a coating for ovens, either clamped or in blocks. : en es
  • GB525407A - Improvements in or relating to fire protection devices for motion-picture projectors : en
  • US2212993A - Driving mechanism : en
  • US2212558A - Signaling system : en
  • US2213163A - Container closure : en
  • US2212493A - Side bumper for automobile bodies : en
  • US2212752A - Method of and apparatus for removing foreign material from air : en
  • ES145704A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 145675 : en es
  • GB525408A - Improvements in or relating to machines for operating upon the margins of boot or shoe soles : en
  • CH211153A - Process for improving the permeability of magnetizable materials. : de en
  • FR857204A - Electromagnetic blade coupling : en fr
  • GB525305A - Improvements in caps and sockets for liquid-cooled lamps : en
  • GB525364A - Improved process and apparatus for the electro-deposition of tin alloys : en
  • GB525457A - Waterproof jacket for electric flashlights : en
  • AU111287B2 - Improvements in or relating to methods and apparatus for interrupting or controlling electric currents : en
  • US2212537A - Aircraft landing-floor beacon : en
  • US2212581A - Preventing fouling of heat exchangers : en
  • USD122146S - Design fob, a handbag : en
  • USD122217S - Design for a dress ensemble : en
  • AT159447B - Device for regulating the amount of fuel in injection internal combustion engines with exhaust gas turbocharging. : de en
  • CH211066A - Tractor-pulled grass mower. : de en
  • GB525376A - Improvements in or relating to methods of separating metals from mixtures of compounds of the metals : en
  • GB525269A - Improvements relating to dust, refuse and like bins : en
  • US2212860A - Biscuit machinery : en
  • US2212811A - Stabilized gypsum plaster : en
  • USD122109S - Design fob a stacking unit ob the like : en
  • GB525479A - Improvements in or relating to lamp brackets : en
  • DE695594C - Arrangement for improving the commutation in direct current-direct current converting devices : de en
  • DE695739C - Process for the production of seals in expansion joints of concrete pavements : de en
  • ES145877A1 - A procedure to obtain a packing machine or material for joints. : en es
  • GB525315A - Improvements in or relating to methods of recovering polyhydric alcohols from aqueous solutions or concentrates containing the same : en
  • DE695566C - Piston pin bearings for double-acting two-stroke internal combustion engines : de en
  • US2212670A - Guy wire clamp : en
  • USD122196S - Brooch pin or similar article : en
  • FR857158A - Further training in the manufacture of anti-gas clothing : en fr
  • PL29209B1 - Manufacturing method of tight sheet metal tanks with curled edges. : en pl
  • ES145914A1 - Portable device for making copies on sensitive paper by means of an electric light source. : en es
  • GB525381A - Improvements in or relating to the splitting of fats : en
  • FR857240A - Further training in the establishment of metal baskets : en fr
  • GB525467A - Improvements in and relating to process and apparatus for making rubber filaments : en
  • US2212524A - Hanger : en
  • US2212674A - Removable post construction for automobile bodies and the like : en
  • USD122201S - Design for a coat : en
  • ES145761A1 - A new triple-closing latch system. : en es
  • DE679461C - Silencer for firearms with one behind the other relaxation chambers : de en
  • FR857194A - Hose clamp for electric heaters : en fr
  • USD122197S - Brooch pin or similar article : en
  • ES145918A1 - PROCEDURE FOR THE PREPARATION OF D 1-ACETYL-TOCOPHEROL : en es
  • US2213030A - Piston grinding machine : en
  • USD122214S - Design for a dress : en
  • DE695633C - Manufacture of titanium dioxide : de en
  • GB525369A - Improvements in or relating to dartboards or like targets : en
  • US2212977A - Lid brace : en
  • ES145850A1 - Coating for printing rolls and similar applications. : en es
  • US2213160A - Engine starter control : en
  • US2212565A - Art of cracking hydrocarbons : en
  • DE695573C - Device for the automatic control of electric drive motors, in particular three-phase asynchronous motors, by means of speed-dependent braking : de en
  • ES145863A1 - A single or mixed coal heating process, intended, in particular, for carbon globulation. : en es
  • GB525485A - Improved means for use in the manufacture of electrically welded wire frames : en
  • USD122149S - Design fob a burner head : en
  • USD122182S - Design for a combined advertising device, cigar lighter, radio, and clock : en
  • CH211171A - Ignition device for internal combustion engines with a magnet rotating around its longitudinal axis. : de en
  • US2212570A - Electron tube : en
  • USD122246S - Zahn dbes$ ensemble : en
  • ES145896A1 - An apparatus to wet and stick stamps. : en es
  • CA390943A - Liquid congealing apparatus : en fr
  • CH211129A - Ski binding with heel strap and strap hook. : de en
  • DE695558C - Toothpastes : de en
  • AT159404B - Gas pump. : de en
  • USD122187S - Design for a smoking pipe : en
  • US2212756A - Attaching means for landing nets : en
  • US2212848A - Microphone amplifier : en
  • US2213136A - Electric welding pliers : en
  • DE695631C - Stamp protective cover : de en
  • CH211173A - Intake line on combustion engines. : de en
  • USD122140S - Design fob, an embkoideeed fabric : en
  • USRE21540E - ewald : en
  • FR857160A - Improvements made to the means for axially guiding a part in translation, to include in particular the rivet dispensing devices : en fr
  • GB525325A - Machinery plant for carrying out the operations connected with the filling and sealing of paper containers : en
  • FR857226A - Improvements to ultra-shortwave tube amplifier assemblies : en fr
  • PL29197B3 - Ringhoffer- Tatra-Werke A. G., Prague * Smichov. Off-road vehicle. : en pl
  • SU52390A1 - Oven for dryers, for example, cereals : en ru