• US1940910A - Flange clamp for welding : en
  • CH166360A - Device on vending machines with two or more goods drawers for the purpose of pulling out any drawer the other respectively. to block each of the other drawers. : de en
  • US1940905A - Matrix-setting and type-line-casting machine : en
  • AT135940B - Circuit arrangement for telephone systems with dialer operation. : de en
  • AT136025B - Process for influencing the effectiveness of artificial or natural fertilizers. : de en
  • DE590316C - Device for switching a radio receiver on and off : de en
  • SU33624A1 - The method of preparation of fire-resistant and waterproof paints for painting wooden surfaces : en ru
  • US1941268A - Boiler : en
  • PL19369B1 - Self-made firearm. : en pl
  • CH166181A - Flat knitting machine. : de en
  • US1941212A - Means for the preparation of mica products from scrap mica : en
  • SU33500A1 - Multi-hole drill press : en ru
  • SU33640A1 - Upper limb splint : en ru
  • CH166334A - Electric roller switch operated by means of push buttons. : de en
  • US1941331A - Vehicle spring : en
  • FR757443A - Device for producing boiling water and steam that can be used for preparing coffee or any infusions : en fr
  • PL19421B1 - Method for diffusing beetroot slices to obtain sugar-rich pulp. : en pl
  • US1940686A - Vibration dampening mounting : en
  • US1940913A - Railway traffic controlling apparatus : en
  • US1941038A - Electric machine : en
  • US1941215A - Electric pencil sharpener : en
  • BE399480A - : en fr
  • US1941140A - Lubrication device : en
  • US1940751A - Dispensing receptacle : en
  • US1941365A - Art of heat transfer : en
  • FR757673A - Light metal piston : en fr
  • GB403515A - Improvements in or relating to clocks combined with advertising devices : en
  • GB403569A - Improved draught and weather excluder and rattling preventer for doors and windows : en
  • CH166363A - A tunable oscillation system consisting of capacitively coupled circles. : de en
  • US1941028A - Oil and gas separator : en
  • SU33754A1 - Cutting machine for cleaning machines : en ru
  • SU33801A1 - The method of making hunting shot from cast iron : en ru
  • US1941371A - Process for making fertilizer : en
  • SU33721A1 - Device for determining the angle of repose of loose bodies : en ru
  • SU33886A1 - Dual Piston Fluid Piping Gauge : en ru
  • US1940826A - Packing machine : en
  • CH166323A - Transportable electric accumulator. : en fr
  • SU33647A1 - A device for mixing molten metal : en ru
  • AT136042B - Depositing device for cigars or cigarettes. : de en
  • US1941125A - Detergent dispenser for washing machines : en
  • CH166330A - Electrical conduit and process for its manufacture. : de en
  • SU33697A1 - Apparatus for measuring ordinates in urban surveys : en ru
  • US1940695A - Safety pocket : en
  • US1941239A - Gauge : en
  • AT135911B - Backpack. : de en
  • CA338111A - Artificial stone : en fr
  • CA338248A - Bobbin : en fr
  • AT135972B - Small electric machine with rotating tool, in particular grinding tool. : de en
  • SU33620A1 - Electric device for the transfer of arrows from the tram car : en ru
  • US1941162A - Double roof construction for vehicles : en
  • DE590372C - Switch with protective resistor : de en
  • FR757608A - Device for capturing crawling insects with guiding surfaces leading to a trap : en fr
  • DK48187C - Electric Bicycle Light. : da en
  • GB403482A - Improvements in the attachment of spoke-enclosing discs to wheels : en
  • GB403499A - Improvements relating to conveyors : en
  • AT136000B - Method for mimicking the appearance of marble or the like in more than one color. : de en
  • AT135949B - Automatic temperature switch. : de en
  • AT135980B - Stackable chairs, tables or the like. : de en
  • FR757515A - Advanced air suspension system : en fr
  • CA338118A - Refrigerator car bunker : en fr
  • CH166300A - High pressure relief device. : de en
  • AT136044B - Machine for stringing tobacco leaves. : de en
  • CA338090A - Fracture reducing appliance : en fr
  • CH166159A - Spring insert for mattresses, seat cushions and the like. : de en
  • DE590347C - Membrane gas pressure regulator : de en
  • GB403516A - Improvements relating to sheet metal drawing presses : en
  • CA338123A - Lumber drying apparatus : en fr
  • CH166153A - Lever intended in particular to be used for lifting doors while they are being lubricated and for removing doors, windows and shutters. : en fr
  • AT136095B - Gas cooker. : de en
  • AT135993B - Induction furnace. : de en
  • CH166314A - Cable entry device shielding against electromagnetic waves. : de en
  • US1941206A - Fiber scutching and deseeding machine : en
  • SU33890A1 - Fixture for leveling the amount of fluid supplied in twin pumps : en ru
  • US1941255A - Felted fabric : en
  • US1941315A - Temperature control : en
  • SU33733A1 - Arrangement for image organization charts : en ru
  • US1940753A - Method of heating settling liquids : en
  • SU33844A1 - Brick making machine : en ru
  • GB403705A - Improvements in or relating to gas producers : en
  • US1940757A - Process for dyeing furs, hairs, and feathers : en
  • CH166169A - Device to compensate for fluctuations in the flow rate of spinning pumps. : de en
  • SU33834A1 - Device for alarm single-loop alarm : en ru
  • US1941428A - Bobbin crate : en
  • SU33730A1 - Good Chemistry Allowance : en ru
  • GB403472A - Improvements in or relating to brake apparatus for railway and other vehicles : en
  • SU33756A1 - Adaptation to the pick-up for feeding the bread folded in the pile to the threshing combine : en ru
  • US1940854A - Reactor : en
  • US1941340A - Nestable chair : en
  • CH166290A - Device to reduce torsional oscillations of crankshafts. : en fr
  • US1941398A - Coating composition : en
  • DE590325C - Process for the production of objects with a coating or outer part made of rubber, balata, gutta-percha etc. or mixtures of these substances : de en
  • SU33649A1 - Tool for ejecting molds from molds : en ru
  • US1941077A - Production of acetylene from hydrocarbons in electric arcs : en
  • SU33712A1 - Method for making celluloid plates : en ru
  • US1940795A - Pendular suspension for rear driving wheels of motor vehicles : en
  • US1941167A - Brake : en
  • US1941192A - Machine for shaping cigar fillers : en
  • PL19317B1 - Two-piece grate for chain grates. : en pl
  • SU33489A1 - Automatic device for feeding a drilling tool to the bottom of a well : en ru
  • US1940698A - Control head : en
  • US1940899A - Method of preparing horticultural dust : en
  • US1941036A - Device for the magneto-electric generation of alternating currents for sound production : en
  • DE590162C - Process for impregnating electrical machines and apparatus, especially capacitors : de en
  • DE590231C - Process for promoting cyanogenesis in the manufacture of alkali cyanides : de en
  • DE590322C - Carrying device for spinning cake in the aftertreatment : de en
  • FR757396A - Automatic device for cleaning farm tractor wheel studs : en fr
  • FR757400A - Capacitor refinements : en fr
  • FR757592A - Improvements in the manufacture of molding products : en fr
  • FR757604A - Process for manufacturing finely divided metal compounds : en fr
  • FR757539A - Process for continuously manufacturing, by electrolysis, metal tube in long lengths : en fr
  • US1941008A - Mining machine : en
  • US1941359A - Radiator valve : en
  • PL19414B1 - Device indicating the heating of the shell. : en pl
  • SU33777A1 - Straight hitch for drive belts : en ru
  • US1941019A - Method of and apparatus for forming patches : en
  • US1941287A - Apparatus for controlling gas flow : en
  • GB403968A - Improvements in or relating to jacquard mechanism for looms : en
  • FR757498A - Liftable landing gear for amphibious central hull aircraft : en fr
  • FR757728A - Signaling for carriageways : en fr
  • FR757427A - Kitchen utensil with interchangeable rotary cutting and pressing tools arranged in a cylindrical casing : en fr
  • FR757502A - Manufacture of composite glass sheets : en fr
  • FR757589A - Improvements in processes to prevent the impregnation of materials with moisture from neighboring moist substances, especially for pastry articles comprising surface or intermediate layers of fruit, berries, jelly, meat preparations, creams or analogues : en fr
  • GB403525A - Portable apparatus for discharging or spraying liquids from drums or barrels : en
  • FR757449A - Antenna directed unilaterally : en fr
  • FR757530A - Further training in photoengraving cylinder polishing machines : en fr
  • CH166152A - Wall stamp. : en fr
  • CH166354A - Method for the preparation of a cardiac active glucoside. : de en
  • CH166365A - Device comprising an alarm clock and making it possible to control an electrical circuit at a time determined in advance. : en fr
  • SU33646A1 - Zholob for the release of iron from smelting furnaces : en ru
  • US1941005A - Dobby lever for looms : en
  • DE590261C - Epicyclic reversing gear : de en
  • AT135953B - Liquid switch. : de en
  • BE399452A - : en
  • GB403953A - Improvements in jacks or lifting devices for motor vehicles : en
  • DK48196C - Door, Gate or similar. : da en
  • FR757678A - Improvements relating to door brakes : en fr
  • FR757688A - Method and apparatus for controlling the temperature in heating, refrigerating, etc. installations. : en fr
  • PL19412B1 - : en pl
  • FR757433A - Process for the thermal treatment of hydrocarbons : en fr
  • CA338150A - Phase shifting circuit : en fr
  • CA338208A - Hydrocarbon reforming apparatus : en fr
  • US1940668A - Hydraulic press surge control : en
  • PL19346B1 - Drum filter with pressure fights. : en pl
  • SU33729A1 - Device for demonstrating the thermal conductivity of various metals : en ru
  • FR757439A - Improvements to vehicle wheels : en fr
  • FR757610A - Improvements in processes for the manufacture of mixed fertilizers containing nitrogen in the form of ammonia and nitrate as well as phosphoric acid : en fr
  • CH166216A - Process for the preparation of 2: 4-dimethylbenzaldehyde. : de en
  • US1940897A - Extension table : en
  • US1941225A - Panic-release doorlock : en
  • US1940911A - Automobile top : en
  • US1940669A - Apparatus for numbering paper sheets : en
  • SU33681A1 - Contact for electrolytic baths : en ru
  • US1940760A - Organic arsenic compound : en
  • GB403665A - Method of and apparatus for the electrical precipitation of suspended particles from gaseous fluids : en
  • USD91230S - Design for a combined necktie back : en
  • SU33779A1 - A method of manufacturing a thermal insulating paper material : en ru
  • AT135927B - Pre-chamber with core, especially for crude oil internal combustion engines. : de en
  • CA338145A - Scale locking device : en fr
  • FR757485A - Manufacturing process of plastics, rubber and derivatives, as well as the resulting products : en fr
  • FR757596A - Combination mask and protective device against dust and gas : en fr
  • US1941092A - Knitting mechanism : en
  • DE590001C - Device for the automatic control of the light source of photographic enlarging and copying machines : de en
  • US1941012A - Rubber composition and method of making same : en
  • FR757750A - Cold pressure spinning process : en fr
  • FR757682A - Electric pocket torch : en fr
  • SU30010A1 - Locking device to the wing of the snow plow system Bjerke : en ru
  • SU33714A1 - Clear mirror : en ru
  • FR757732A - Safety device preventing spontaneous separation of couplings, especially steam-heated couplings for railway vehicles : en fr
  • US1940810A - Hoisting mechanism : en
  • US1940871A - Shock absorber : en
  • GB403589A - Improvements in ball and socket joints for pipes : en
  • FR757491A - Slot shape without cavitation : en fr
  • FR757665A - Saddle : en fr
  • SU33673A1 - Adjusting to a shelling machine for turning off the gearbox : en ru
  • DE590260C - Self-collecting small seller : de en
  • SU33848A1 - A method for increasing the hydraulicity of dolomitic lime : en ru
  • US1940992A - Implement attachment for tractors : en
  • US1941426A - Method of making sulphur trioxide : en
  • PL19408B1 - The method of carburizing the outer layer of wire or metal tapes. : en pl
  • SU33860A1 - Weaver's Observer : en ru
  • SU33484A1 - Tubular analyzer for ores : en ru
  • FR757436A - Improvements to the analyzer mechanism for statistical machines controlled by recording cards : en fr
  • GB403467A - Improvements relating to playing apparatus : en
  • GB403656A - Improvements in or relating to riser mechanisms for yarnwinding machines : en
  • FR757437A - Time mechanism for billiards with ball collector : en fr
  • FR757640A - Internally washable injector : en fr
  • GB403610A - A method of starting asynchronous machines and also synchronous machines which run asynchronously by means of their damper winding during the starting period, by means of controlled rectifiers : en
  • US1941435A - Paving : en
  • GB403524A - Road pavement : en
  • GB403470A - Improvements relating to engine cylinder liners : en
  • SU33534A1 - Method for producing barium sulphate : en ru
  • CH166115A - Method of accelerating the germination and growth of seeds. : de en
  • CH166275A - Contact device for electric timepieces. : en fr
  • PL19321B1 - Method of obtaining azo dyes containing chromium. : en pl
  • US1940876A - Regulating system : en
  • US1941124A - Cotton picking and cleaning machine : en
  • SU33610A1 - Moving contact for electrical wire resistors : en ru
  • SU33614A1 - Instrument for simultaneous use of ionized air and ultraviolet rays in the open cavities of the body. : en ru
  • US1941104A - Cotton opener or picker : en
  • SU33872A1 - Receiver for electrical telescopes : en ru
  • CH166171A - Scraper tape for the brush roller of carded yarn cards. : de en
  • GB403493A - Improvements in connection with imitation fuel : en
  • GB403465A - Improvements in curling tongs : en
  • US1941175A - Nut and nut installation : en
  • US1941271A - Treatment of reaction process apparatus : en
  • AT135985B - Pyrophoric petrol lighter in pocket watch shape. : de en
  • SU33475A1 - Automatically adjustable oil seal : en ru
  • SU33487A1 - Impact drilling device : en ru
  • SU33684A1 - Device for the release of aluminum from the electrolyzer : en ru
  • AT136004B - Process for the preparation of thio derivatives of phenols. : de en
  • SU33866A1 - Machine for dry cutting sugar heads : en ru
  • SU33570A1 - Device for automatically stopping a train from the track : en ru
  • US1941230A - Beryllium-aluminum alloy : en
  • FR757533A - Vending machine for sale : en fr
  • FR757638A - Connection : en fr
  • FR757787A - Improvements in automatic firearms : en fr
  • AT135967B - Device for automatic control of the arc length during electric arc welding. : de en
  • DE590181C - Device for displaying hoarfrost deposits on high-voltage overhead lines : de en
  • FR757624A - Improvements to vehicle brakes : en fr
  • FR757701A - Improvements to the assembly of paintings, panels, medallions or advertising plaques, or other similar objects : en fr
  • GB403480A - Process for the vulcanisation of caoutchouc : en
  • GB403697A - Improved rack or support for detachably supporting hooks, brackets or the like : en
  • GB403611A - Improvements in and relating to fluid fuel burning apparatus : en
  • BE399886A - Coffin : en fr
  • CH166277A - Process for the production of the metal links of zippers. : de en
  • US1940684A - High pressure sight feed : en
  • SU33806A1 - Machine for folding fur to a photographic camera : en ru
  • US1941286A - Combination water circulator and feed water heating unit for boilers : en
  • US1941075A - Electrical induction furnace : en
  • US1941155A - Wireless receiving apparatus : en
  • US1941182A - Flash point testing machine : en
  • DE590266C - Hydraulic fruit and wine press : de en
  • DE590177C - Dowel made of wood or similar material with a bore that narrows downwards : de en
  • DE590313C - Heat exchange device with tubes running parallel to one another and corrugated ribs running transversely to these : de en
  • FR757416A - Improvements made to agricultural machines such as balers, in particular those for baling hay : en fr
  • GB403959A - Improvements in or relating to hydraulic couplings : en
  • SU33518A1 - Pipe wrapping machine : en ru
  • US1940709A - Manufacture of cellulose derivatives : en
  • PL19385B1 - Device for granulating salt. : en pl
  • DE589694C - Circuit arrangement for signaling series of current impulses in telecommunications systems : de en
  • FR757490A - Improvements in petroleum processing by intermediate processing of gas oil, wax oil and lubricating oil fractions : en fr
  • US1940944A - Process for biologically transforming carbon monoxide into methane : en
  • SU33579A1 - Dialer test set for automatic telephone exchanges : en ru
  • FR757509A - Improvements to installations using dynamos of the so-called three-brush type and to these dynamos themselves : en fr
  • US1941203A - Method of improving the mechanical workability of high chrome steels : en
  • CA338107A - Piston : en fr
  • CH166333A - Electrical insulation consisting of insulating beads on wires, in particular for heating purposes. : de en
  • CA338196A - Telephone system : en fr
  • FR757599A - Swivel device for hinged doors : en fr
  • CA338157A - Electrical induction apparatus : en fr
  • SU33818A1 - Airboat : en ru
  • AT136067B - Spindle steering for motor vehicles. : de en
  • BE399474A - : en fr
  • CA338094A - Grain cleaning machine : en fr
  • CA338224A - Metal working apparatus : en fr
  • US1941444A - Potentiometer system : en
  • DE590273C - Basque bolt lock : de en
  • US1941440A - Process of converting hydrocarbon oil : en
  • CH166367A - Folding trestle for road signage. : en fr
  • CH166209A - Process for the production of virtually to completely silicon-free ferrophosphorus. : de en
  • AT135957B - Control device for vacuum arc apparatus. : de en
  • SU33635A1 - Instrument for the psychotechnical study of motility by rotation or shock : en ru
  • SU33695A1 - The device for applying contour lines on the plan : en ru
  • US1941363A - Apparatus for cooling a passenger vehicle : en
  • US1941412A - Process of making envelopes : en
  • FR757744A - Direct current generator with shunt excitation, for adjustable short-circuit currents, in particular for electric welding : en fr
  • GB403548A - Improvements in and relating to change speed gears, particularly for motor cycles, boat engines and the like : en
  • BE399877A - Improvements to inhalers : en fr
  • CA338245A - Driving mechanism : en fr
  • CH166229A - Process for metallization by cathodic sputtering. : de en
  • GB403601A - Improvements relating to induction coils : en
  • SU33657A1 - Banner poster : en ru
  • SU33724A1 - Instrument for determining the fat content of grinding pulp : en ru
  • SU33813A1 - Photographic plate dryer : en ru
  • US1940729A - Split sleeve for repairing pipe joints : en
  • FR757369A - Appliance for salting meats using brine to introduce : en fr
  • FR757718A - : fr
  • USD91240S - Design for a clock case : en
  • FR757709A - Waterproof faucet : en fr
  • GB403550A - Marine vessels : en
  • BE399792A - : en
  • SU33676A1 - Device for treating substances in a gaseous medium with elevated or reduced pressure : en ru
  • FR757408A - Device for regulating the quantity of water contained in the steam generators : en fr
  • GB403501A - Improvements relating to window operating and securing means : en
  • SU33686A1 - Pantographic ruler : en ru
  • SU33551A1 - Clinker paving machine : en ru
  • DE589912C - Process for the production of high quality iron hollow bodies, for example chambers for water tube boilers : de en
  • DE590120C - Device to improve the water circulation in locomotive boilers : de en
  • FR757398A - Hammer refinements : en fr
  • US1940666A - Battery terminal : en
  • SU33698A1 - A pattern for locating circular curves in tangent and bisector fashion : en ru
  • DE590379C - Procedure for operating heating boilers : de en
  • FR757500A - : fr
  • FR757574A - Method for increasing the sound effect of sirens and other alarms : en fr
  • GB403594A - Improvements in or relating to the rims of metal plate walling such as that of wagonbodies, tanks and the like : en
  • FR757444A - Method of manufacturing colorful spouting effect fireworks body : en fr
  • CH166203A - Process for making beer. : de en
  • FR757382A - Electromagnetic winding device : en fr
  • GB403597A - Improvements in aerial equivalents for wireless transmission and reception : en
  • US1940744A - Stair tread device : en
  • CH166262A - Device for protecting lead seals. : de en
  • SU33550A1 - Method for determining temperature effects on rail track with welded joints : en ru
  • US1941142A - Process of making dinitro-phenylbenzothiazyl-sulphides : en
  • US1941381A - Magnetic chuck circuits : en
  • US1940906A - Moistening of textile fibers and yarns : en
  • FR757549A - Improvement in automatic power transmission systems : en fr
  • GB403708A - Improvements in or relating to the de-oxidation of phenolic compounds : en
  • US1940934A - Method of making supported catalysts : en
  • US1940984A - Front shutter for automobile radiators : en
  • GB403658A - Improvements relating to interrupters for the ignition apparatus of internal combustion engines : en
  • DE590199C - Method for recording and reproducing color photographic images using a color zone lens and a recording material provided with a grid : de en
  • SU33625A1 - A method of preventing asphalt tar from sticking to the walls of metal cans, molds, etc. : en ru
  • SU33889A1 - A device for supplying fuel in internal combustion engines with a periodic supply of air under pressure (boost) : en ru
  • US1940665A - Crate for can ends : en
  • US1941133A - Lubricating device : en
  • US1941174A - Hose nozzle : en
  • US1940772A - Oil tester : en
  • FR757662A - Cigarette case device : en fr
  • GB403492A - Improvements in and relating to students' holdalls, pencil and like cases : en
  • US1941200A - Method of manufacturing rubber goods : en
  • CA338169A - Racket stringing apparatus : en fr
  • PL19413B1 - Mill with a drum, equipped with an automatic feeding device. : en pl
  • FR757426A - Ship propeller : en fr
  • US1941015A - Mail handling apparatus : en
  • US1941102A - Balancing ocean cable : en
  • DK48201C - Process for the production of gaseous sulfur compounds from sulfur-containing material. : da en
  • PL19364B1 - Projectile with saw blades, especially for smooth-barreled cannons. : en pl
  • US1941293A - Clamp for weeder attachments : en
  • DE590208C - Device for the heat treatment of all kinds of goods by means of a traveling grate and a downstream rotary kiln : de en
  • FR757372A - Electric rocker or push switch : en fr
  • FR757656A - Method and device for heating solid food : en fr
  • FR757704A - Process for the production of thin-walled hollow bodies for files, rasps and the like : en fr
  • GB403442A - Improvements in and relating to watering cans and the like : en
  • US1941262A - Cellulose acetate composition : en
  • FR757366A - Valve for high pressure fluids : en fr
  • GB403440A - Improvements in or relating to speed governors : en
  • US1940678A - Process of treating alloys : en
  • DK48186C - Carbide alloy. : da en
  • FR757702A - Process for bleaching and brightening zinc, cadmium and magnesium : en fr
  • FR757637A - Manufacturing process of a product promoting fermentation and cooking : en fr
  • GB403974A - Sensitization of photographic silver halide emulsions and manufacture of a sensitising dye therefor : en
  • FR757583A - Local application of the microphone to wireless telephony receiving devices : en fr
  • FR757542A - Electro-mechanical control device for any trade : en fr
  • CA338247A - Cooking utensil exhaust : en fr
  • FR757719A - Container made of aluminum or its alloys : en fr
  • GB403698A - Improvements in or relating to bonding compositions and to abrasive articles made therewith : en
  • US1940995A - Side windshield attaching construction : en
  • US1941027A - Button feeding apparatus : en
  • PL19401B1 - Method of saturating decaffeinated coffee beans with decaffeinated coffee extract. : en pl
  • SU33528A1 - A device for mechanical feed to the pick-up table to be interlaced into a book of sheets : en ru
  • GB403980A - Improvements in internal combustion engines of the liquid fuel injection type : en
  • US1941319A - Current-responsive indicating and recording instrument : en
  • US1940997A - Aerial connecter for radio apparatus : en
  • US1941213A - Tufting mechanism : en
  • US1940711A - Apparatus for converting petroleum oil : en
  • US1940909A - Display stand : en
  • US1941087A - Yarn humidifier : en
  • US1941123A - Drag conveyer discharge deflector : en
  • SU33588A1 - Amplifier : en ru
  • US1940769A - Coupling device : en
  • US1941208A - Safety razor : en
  • FR757450A - Insecticide and fungicide product : en fr
  • GB403539A - Turbine plant for elastic fluid : en
  • PL19323B1 - A method of making wadding. : en pl
  • PL19418B1 - Optical system. : en pl
  • US1940860A - Synthetic production of ammonia : en
  • GB403605A - Improvements relating to steam traps : en
  • GB403574A - Improvements in or relating to house-shoes or slippers : en
  • GB403596A - Improvements in or relating to casings for rotary piston engines : en
  • SU33849A1 - The device for burning cement raw mix in the sprayed state : en ru
  • US1941034A - Container for spools : en
  • US1941094A - Method of shaping hollow bodies : en
  • US1941376A - Electrolytic apparatus : en
  • SU33541A1 - Writing machine : en ru
  • DE590176C - Closing device for superheater pipes : de en
  • US1941260A - Superheater : en
  • SU33607A1 - Device for measuring voltage across arc electrodes in mercury rectifiers : en ru
  • DK48208C - Device for removing air from a liquid, namely milk, which is heated in a heat exchange apparatus. : da en
  • FR757376A - Method for producing color photographic images : en fr
  • US1941366A - Bearing : en
  • SU33691A1 - Device for automatic installation of all kinds of geodetic instruments : en ru
  • GB403458A - Improvements in and relating to whole wave electric rectifier valves : en
  • SU33594A1 - Winding machine for electrical conductors of insulating yarn : en ru
  • US1940958A - Head rod clamp : en
  • US1941429A - Apparatus for supplying a machine with material : en
  • DE590343C - Suspended strap hooks consisting of a hook part and a locking spring for the heel strap that is hinged to the carrying buttons on the toe pieces of ski bindings : de en
  • AT136071B - Facility for turning automobiles on site. : de en
  • SU33613A1 - X-ray ionization dosimeter : en ru
  • US1941018A - Variable spacer attachment for typewriters : en
  • BE399791A - Improvements in processes for obtaining metallic magnesium by electrothermal reduction of magnesium compounds : en fr
  • USD91244S - Design fob an electric light shade : en
  • FR757562A - : fr
  • GB404310A - An improved appliance for protecting crops from the weather especially applicable for roofing hayricks : en
  • US1941011A - Equalizer connection for track laying tractors : en
  • GB404719A - Improvements in or relating to sighting apparatus : en
  • US1941448A - Voting machine : en
  • FR757603A - Palette for tennis or other ball games : en fr
  • FR757551A - Rotary polisher : en fr
  • GB403663A - Improvements in electric snap-action switches : en
  • FR757681A - Electronic tube feeding device : en fr
  • US1940749A - Yarn dyeing and twisting apparatus : en
  • FR757667A - Electric traction motor vehicle for extra-urban and urban service, powered by an overhead line or by an accumulator battery : en fr
  • GB403451A - Improvements in the manufacture of terpenes : en
  • PL19379B1 - Fluid suction device. : en pl
  • SU33524A1 - The method of obtaining waterproof silk : en ru
  • FR757708A - Fireplace for arc extinction in antenna-shaped electrode switches : en fr
  • FR757523A - Water backflow preventer : en fr
  • FR757478A - Improvement brought to the teaser game : en fr
  • FR757529A - Rectifying mirror for all applications : en fr
  • BE399625A - : en
  • CH166126A - Clamp for concrete formwork. : de en
  • GB403448A - Improvements in or relating to multiple pin plugs and combined multiple pin plugs and sockets for electrical plug and socket contacts : en
  • US1941030A - Means for controlling the flow of fluids : en
  • US1941292A - Photographic shutter : en
  • US1941316A - Upper cutting machine : en
  • SU33632A1 - Device for determining visual acuity at close range : en ru
  • US1940661A - Radio receiving system : en
  • US1941153A - Body separating and spacing device : en
  • US1941224A - Page-end indicating device : en
  • US1941391A - Machine for winding disk coils : en
  • AT135976B - Suspension clip for attaching curtain rails to holding irons. : de en
  • CA338127A - Staple band : en fr
  • CA338249A - Scissors : en fr
  • CH166186A - Preparation for printing animal fibers with vat dyes. : de en
  • US1941115A - Welded spigot and socket safety joint : en
  • US1941338A - Fuse clip clamp : en
  • DE590211C - Process for the manufacture of chamber furnaces consisting of a plurality of essentially horizontal stone layers : de en
  • US1940853A - Mounting for coil springs : en
  • US1940989A - Preparation of organic acids : en
  • US1941439A - Hair curling device : en
  • AT135943B - Liquid switch. : de en
  • CA338100A - Button production : en fr
  • CA338200A - Hormone production : en fr
  • GB403540A - Valve repeater circuits for telephony : en
  • BE399644A - : en
  • CH166263A - Process for the recording of sounds on a talking machine disc, apparatus for implementing this process and disc provided with a recording of sounds and obtained by this process. : en fr
  • AT135973B - Machine tool, in particular milling machine, with counter holder. : de en
  • AT136032B - Turntable-like reversible feeding trough for pig or the like. Cattle sheds. : de en
  • CA338130A - Wrapper : en fr
  • CH166376A - Packaging system for doughy masses, especially edible fat. : de en
  • CA338153A - Detachable contact : en fr
  • CH166403A - Process for the production of moldings. : de en
  • FR757651A - Process for white annealing metal objects : en fr
  • SU33874A1 - Radio receiver : en ru
  • GB403456A - Improvements in or relating to motor vehicles : en
  • US1940759A - Thermal electric meter : en
  • US1940861A - Process for refining sour hydrocarbon oil : en
  • DK48209C - Cinematographic Camera or Projection Camera with a Swivel Mounted Claw that Causes the Performance of the Film. : da en
  • US1940919A - Welding tool : en
  • CH166287A - Process for the production of panels consisting of one or more layers with a refined outer surface. : de en
  • CH166318A - Steam generator in which, in addition to the feed liquid, liquid is also fed in at points between the inlet end and the outlet end of a pipe string. : de en
  • CH166258A - Machine gun with band or. belt-shaped cartridge feeder. : de en
  • FR757633A - Perfect blowjob : en fr
  • FR757643A - Ultra-shortwave dual receiver lamp : en fr
  • AT135935B - Contact in loop form for high-performance switches. : de en
  • AT136074B - Steering rack rail car for fast operation. : de en
  • DK48182C - Icebreaker. : da en
  • CA338133A - Modulated high frequency transmission : en fr
  • CH166215A - Process for the preparation of bromo-2-butadiene-1,3. : de en
  • US1940908A - Guard finger and ledger plate for mowing machines : en
  • SU33858A1 - Self-closing faucet for water and washing : en ru
  • AT136046B - Ski binding. : de en
  • AT135968B - Resilient insert for mattresses, pillows or the like. : de en
  • CH166206A - Method of treating tobacco. : de en
  • DE590284C - A rectifier column consisting of several contact rectifier elements lined up on a bolt and pressed together by the bolt : de en
  • SU33623A1 - The method of obtaining indantron : en ru
  • SU33845A1 - Adaptation to the cutting machine : en ru
  • AT135916B - Steam system with fluctuating load. : de en
  • AT135986B - Electric discharge tube. : de en
  • US1940691A - Branding machine : en
  • US1941050A - Friction closed container : en
  • GB403522A - Improvements in and relating to liquid fuel burning apparatus : en
  • CH166261A - Device for conveying and storing a strip-shaped organ used to record vehicle speeds. : de en
  • CH166338A - Equipment for the operation of X-ray tubes. : de en
  • FR757499A - Beret in several colors and improvements made to so-called `` beret looms '' with a view to its manufacture : en fr
  • FR757731A - Steam production plant : en fr
  • PL19367B1 - Electric vibrating device, e.g. for massaging. : en pl
  • CH166110A - Machine for topping stalk plants. : de en
  • SU33744A1 - Potato harvesting machine : en ru
  • US1940977A - Metallurgical process and apparatus : en
  • US1941321A - Hand operated traffic line painting brush : en
  • CH166328A - Inductor for magnetos. : en fr
  • AT135988B - Voltage-divided hot cathode tube, in particular hot cathode x-ray tube. : de en
  • DE590297C - Device for energy storage for the auxiliary work in electrically or mechanically wound clocks or drives : de en
  • FR757650A - A process for removing sticky materials or grease adhering to wool and other animal textile fibers : en fr
  • GB404274A - Improvements in relieving and locking mechanism for cooperating knife-edged centres and bearings, particularly applicable for use with weighing apparatus : en
  • PL19424B1 - A device for self-adjusting of the deformation of the elastic tools connecting the chassis with the body. : en pl
  • US1941168A - Bottle filling and crowning machine : en
  • FR757429A - Flying machine : en fr
  • US1940928A - Electrical apparatus : en
  • US1940998A - Bread slicing machine : en
  • US1941074A - Electric discharge device : en
  • CA338213A - Oil cracking method : en fr
  • CH166264A - Apparatus for advancing an image sound film. : de en
  • USD91234S - Design for a shoe : en
  • FR757417A - Method for producing color photographic images : en fr
  • GB403603A - Improvements in or relating to valves : en
  • SU33576A1 - Electromagnetic microphone : en ru
  • SU33718A1 - Instrument for fastening strings in acoustic measuring equipment : en ru
  • US1941136A - Lubrication device : en
  • AT136086B - Lighting fixtures. : de en
  • CH166256A - Aiming device for dropping objects from aircraft. : de en
  • SU33882A1 - Scroll chuck : en ru
  • US1940816A - Rubber composition and method of preserving rubber : en
  • BE399928A - : en
  • CA338147A - Unitary manifolding assembly : en fr
  • CH166296A - Method for sealing the butt joints in gas pipelines. : de en
  • DE590172C - Boiler enamelled inside and equipped with outside heating : de en
  • CH166237A - Device on die setting and line casting machines with die rods guided in a circuit on wires, in order to push each individually set die rod into the collecting point in a vertical position. : de en
  • CA338201A - Antenna : en fr
  • AT135922B - Cylinder head for hot-head engines. : de en
  • AT136036B - Method and device for loosening up and removing dust from raw and cut tobacco using an air stream passed through a duct. : de en
  • BE399762A - Sport game : en nl
  • CH166299A - Device for the actuation of gate valves for pipelines with an end plate movable on the end body. : de en
  • US1941029A - Harvester thresher : en
  • DK48195C - For Building Cabinet Furniture specific, six-sided, right-angled Element of Metal or Wood. : da en
  • GB403700A - Improvements in aluminium alloys and the production thereof : en
  • PL19403B1 - A method of permanent bonding of metal plates with various types of materials and of protecting the external surfaces of the parts to be bonded against the effects of weather conditions. : en pl
  • SU33580A1 - Method of frequency transformation down : en ru
  • US1940672A - Lamp shade and method for making the same : en
  • SU33885A1 - Oven for roasting flotation pyrites : en ru
  • US1940685A - Latch : en
  • US1940699A - Process and apparatus for con : en
  • US1941393A - Dynatron circuits : en
  • CH166106A - Device on mowers, in particular on motor mowers, for producing a narrow mowing on one side of the machine. : de en
  • CH166375A - Horseshoe. : de en
  • PL19420B1 - Engine mounts, especially in motor vehicles. : en pl
  • US1940764A - Time sender : en
  • US1940933A - Wall and ceiling construction : en
  • US1941311A - Oil filter : en
  • US1941318A - Combined check writing anx : en
  • BE400037A - Swimming and rescue apparatus : en fr
  • CA338134A - Internal combustion engine : en fr
  • SU33497A1 - Oil well fire extinguishing device : en ru
  • US1940774A - Method of treating whole grain corn for canning : en
  • US1940976A - Paper trimmer : en
  • FR757546A - Method and device for on-screen television reception of various analyzes and their synchronization : en fr
  • FR757567A - Improvements in the construction of radio receivers : en fr
  • BE399528A - : en
  • US1941127A - Radiator cover : en
  • SU33483A1 - Gold excavator : en ru
  • US1940747A - Antitheft device : en
  • US1941281A - Ornamented felt and felt material : en
  • SU33571A1 - Device for automatic recording in station log : en ru
  • PL19325B1 - Method of oxidation of carbon monoxide by steam. : en pl
  • SU33581A1 - The method of heating in an electric field a pair of crystallized bodies : en ru
  • SU33703A1 - Device for accurate power transmission in a given direction : en ru
  • PL19426B1 - Roller cotton wool bag for cigarette tubes. : en pl
  • SU33523A1 - Devices for cutting fabric flooring : en ru
  • SU33839A1 - Dratva machine : en ru
  • US1940670A - Railway draft rigging : en
  • US1940851A - Corn harvester : en
  • FR757729A - Quick-release buckles enhancements : en fr
  • GB403475A - Improvements in telephone systems : en
  • AT136041B - Connecting device. : de en
  • CH166183A - Method and device for the production of plush-like fabrics with the aid of the sewing machine. : de en
  • DE590357C - Process for the production of highly refractory bodies : de en
  • CH166321A - Electric cell and method for making it. : en fr
  • SU33634A1 - Apparatus for recording arterial and venous pressure : en ru
  • SU33760A1 - Device for central air heating of greenhouses, greenhouses, etc. : en ru
  • US1940821A - Hydraulic jack : en
  • CA338241A - Wave translating system : en fr
  • AT136009B - Process for the production of finely powdered swelling starch. : de en
  • CH166377A - Crate, especially for bottles. : de en
  • SU33867A1 - Device for automatic control of drill string pressure : en ru
  • CA338192A - Moulding : en fr
  • CH166195A - Waterproof shoe bottom. : de en
  • PL19392B1 - A method for sorting coal and similar materials, and an apparatus for carrying out the method. : en pl
  • SU33572A1 - A device for determining at the station the location of a moving train. : en ru
  • CA338198A - Piston skirt expander : en fr
  • CA338217A - Loose leaf binder : en fr
  • US1941209A - Roller bearing separator : en
  • SU33671A1 - Grinding machine : en ru
  • US1940965A - Water softening apparatus : en
  • US1941354A - Boiler with multiple superheaters : en
  • FR757687A - Sewing machine with support arm and work drive : en fr
  • FR757383A - Vertical tube boiler : en fr
  • FR757508A - Method of mounting brushes and other brush-making objects, and mounting for the implementation of this method : en fr
  • BE399507A - : en
  • CH166350A - Electric daylight lamp. : de en
  • CH166259A - Multi-piston volumetric meter. : en fr
  • AT135955B - Method for periodically controlling the ignition of a tube filled with ionized gas. : de en
  • CA338250A - Saving bank device : en fr
  • CA338142A - Shovel : en fr
  • FR757477A - Improvement in ratcheting or retaining devices : en fr
  • FR757482A - Heat resistant finish intended to make fabrics impermeable to powdery or filamentary products and fabrics provided with said finish : en fr
  • GB403561A - Plain bearings for shafts fitted with a collar : en
  • SU33728A1 - A device for demonstrating the resistance of a connected system of internal forces to external pulses and forces : en ru
  • US1940991A - Radio amplifying circuit : en
  • US1941325A - Valve control : en
  • US1941031A - Window sash latch : en
  • PL19341B1 - A method of processing raw phosphates. : en pl
  • DE590242C - Siemens-Martin furnace made of cast refractory materials : de en
  • CA338190A - Separable fastener : en fr
  • CH166243A - Cinematographic apparatus. : en fr
  • CA338126A - Fruit preservation : en fr
  • CH166210A - Process and installation for obtaining liquid ammonia from ammoniacal waters obtained from the distillation of fossil coals. : en fr
  • CH166274A - Automatic time reset device for electric watch installations. : en fr
  • AT136065B - Ball joint connection, in particular for steering linkages of motor vehicles. : de en
  • CH166230A - Process for the production of a silvering agent for rub-in silvering. : de en
  • SU33727A1 - Counting device to typewriter : en ru
  • FR757625A - Improvements to aluminum-based alloys and their manufacturing process : en fr
  • GB403537A - Improvements in the manufacture of safety razor blades : en
  • FR757525A - Process and equipment for the manufacture of powdered vegetable glues : en fr
  • CH166310A - Device for regulating the steam supply in counter-pressure steam engines. : de en
  • US1940705A - Floor construction : en
  • SU33555A1 - Spring bolt for axle boxes with detachable bottom : en ru
  • USD91243S - Design fob a rug : en
  • AT136029B - Cultivator, extirpator, etc. Like. With laterally adjustable rows of shares. : de en
  • US1940717A - Refrigerating apparatus : en
  • US1941341A - Method and apparatus for synchronizing photoplays : en
  • US1941432A - Metallic window structure : en
  • CH166412A - Process for the preparation of an N-alkylated derivative of barbituric acid. : de en
  • FR757489A - Method and apparatus for the manufacture of electric cables and resulting products : en fr
  • DE590028C - Saettiger : de en
  • GB403488A - Improvements in lubricators : en
  • SU33847A1 - The composition and method of manufacturing an insulating material for electrical heaters : en ru
  • FR757721A - Heating plate : en fr
  • FR757683A - Anti-theft cap for automobile tanks : en fr
  • FR757690A - Raffia fiber duster : en fr
  • CA338084A - Reflector : en fr
  • SU33780A1 - Eccentric gear : en ru
  • US1940735A - Limiting amplifier : en
  • FR757618A - Blow cleaning device for threshers and other applications : en fr
  • FR757626A - Driving mechanism for sewing machines : en fr
  • GB403944A - Improvements in the manufacture or treatment of pigments and of textile materials, films and the like containing such pigments : en
  • DE590195C - Method for determining the forces and moments occurring on a loaded structure : de en
  • DE590271C - Rudder for two-screw vessels with large width and shallow draft : de en
  • DE590388C - Process for the extraction of metals from ores : de en
  • FR757524A - Costume jewelry : en fr
  • SU33606A1 - Relay Test Device : en ru
  • SU33830A1 - Tank and armored observation device : en ru
  • US1940932A - Pressure control valve : en
  • US1941247A - Control apparatus for valves : en
  • CH166121A - Sliding window. : de en
  • US1941025A - Shaft sealing device : en
  • SU33768A1 - Snar d for catching seashells : en ru
  • US1940787A - System or apparatus for humidifying air : en
  • CH166307A - Double acting high pressure pump. : de en
  • SE79249C1 - : en
  • SU33888A1 - Device for supplying fuel to internal combustion engines with a periodic supply of air under pressure exceeding atmospheric : en ru
  • IE12695L - Coin freed vending machine : en
  • FR757616A - Improvements made to platelet buchardes : en fr
  • FR757566A - : fr
  • GB403459A - Improved portable electrically-driven grinding, polishing or surfacing machine for stone and like hard materials : en
  • US1940852A - Web controlling mechanism : en
  • PL19388B1 - Hammer contact for actuators. : en pl
  • DE590317C - Arrangement of single or multi-pole plug switches : de en
  • SU33887A1 - Automatic Tank Testing Machine : en ru
  • DE590200C - Fluid pump with reciprocating pistons driven by an eccentric : de en
  • US1940878A - Set screw : en
  • US1941144A - Strap conveyer system : en
  • US1941272A - Method of and apparatus for making bags : en
  • US1941415A - Method of treating milk and milk products to recover the contained milkfat in substantially pure and neutral condition : en
  • PL19375B1 - Device to prevent air intake in the pump air tube. : en pl
  • US1940721A - Bottle cap sealing device : en
  • SU33499A1 - Electric percussion instrument : en ru
  • US1941164A - Device for extracting juices from fruits : en
  • SU33655A1 - Method of drawing glass tubes or drafts : en ru
  • US1941111A - Production of metal carbonyls : en
  • DE590223C - Footwear sewing machine with ribbon spreader : de en
  • FR757628A - Process for the preparation of water-insoluble azo dyes and dyes obtained by this process : en fr
  • FR757575A - Electrically insulating plastic capacitor housing : en fr
  • GB403453A - Improvements in the construction of rotary shuttle-boxes for looms : en
  • GB403681A - Improvements relating to firebars for firegrate bottoms : en
  • FR757590A - Antifreeze device that can be adapted to fire hydrants, sprinklers, pumps, etc. : en fr
  • PL19416B1 - Conveyor device for removing combustion residues in steam boilers. : en pl
  • US1941214A - Hospital bed adjusting mechanism : en
  • SU33643A1 - Shishlny box : en ru
  • US1940679A - Article of furniture : en
  • US1940842A - Process for the crystallization of aluminum nitrate obtained in the treatment of leucite and similar silicates : en
  • US1941328A - Method and apparatus for drying freshly printed webs : en
  • GB403957A - Process for treating vegetable and animal fibres and products resulting therefrom : en
  • FR757563A - Hand held fire extinguisher : en fr
  • GB403570A - Improvements in or relating to a device for grinding and sharpening razor blades : en
  • FR757363A - Process for the manufacture of opacified, white or colored glazes, in particular enamel glazes : en fr
  • FR757431A - Improvements to switches and electrical switches : en fr
  • GB404294A - Improvements in mowing machines : en
  • FR757467A - Device for the control and automatic adjustment of the chemical composition of an electrolyte by measuring its electrical resistance : en fr
  • GB403606A - Improvements in, or relating to, joints for the rails of railway, tramway and similar tracks : en
  • GB403509A - Improvements in means for removably supporting sealing boxes or other connecting units for electric cables : en
  • DE590243C - Procedure to prevent sagging and warping of workpieces during case hardening : de en
  • GB403543A - Improvements in and relating to hydraulic couplings : en
  • GB403713A - Improvements in the construction and arrangement of power unit and transmission gearing for motor vehicles : en
  • FR757462A - Process for refrigerating and transporting perishable goods, in particular foodstuffs, and device for carrying out said process : en fr
  • PL19397B1 - A way of keeping fruit, especially grapes, permanently fresh. : en pl
  • US1941059A - Treatment of filling and reenforcing materials used in plastic compositions : en
  • US1940986A - Thermionic generator and amplifier of high frequency oscillations : en
  • US1941001A - Recorder : en
  • US1940964A - Radiator construction : en
  • US1941221A - Glass cutter : en
  • DE590182C - Liquid-cooled switch for large currents with gaseous dielectric : de en
  • FR757580A - Process for manufacturing antiseptic and disinfectant products and products obtained by applying said process : en fr
  • GB403573A - An exercising or amusement apparatus adapted for carrying passengers : en
  • FR757614A - Control device for drawers for dry type gas meters. : en fr
  • US1941252A - Electric switch : en
  • BE399990A - Beach tennis racket : de en fr
  • CA338236A - Signalling device : en fr
  • SU33881A1 - Cathode lamp : en ru
  • US1941157A - Electron discharge apparatus : en
  • SU33536A1 - Method for the purification of morphine : en ru
  • US1940924A - Cushion material : en
  • AT136028B - Device for smoking compressed tobacco smoke and without burning tobacco. : de en
  • FR757358A - Improvement in the filters of steam or water pressure coffee machines : en fr
  • DE590157C - Process to create an extraction of volatile distillation products from the middle parts of the fuel mass in existing chamber furnaces : de en
  • FR757617A - Process for the recovery of compression work during the production of nitrogen acid under pressure : en fr
  • US1941120A - Manufacture of goods of rubber or : en
  • SU33604A1 - Contact fixture and recording measuring device : en ru
  • SU33764A1 - Cabinet Incubator : en ru
  • US1940898A - Stone and asphalt spreader : en
  • US1941066A - Radio signaling system : en
  • US1941283A - Diamond drill and method of making the same : en
  • DE590315C - Electric capacitor with automatic regulation of the capacity depending on the temperature : de en
  • CH166281A - Handsaw. : de en
  • GB403552A - Apparatus for a new table game : en
  • SU33512A1 - Single scraper excavator for loading rocks in the shaft : en ru
  • SU33557A1 - Automatic coupling for railway rolling stock : en ru
  • FR757381A - Process for preparing potassium formate : en fr
  • US1940798A - Running gear for road vehicles : en
  • AT136027B - Drying system. : de en
  • DE590319C - Winding arrangement for rotating field magnets with parallel slots for turbo generators : de en
  • PL19358B1 - A device that allows various pieces of furniture to be put together. : en pl
  • US1941061A - Elastic shaft coupling : en
  • US1941081A - Switch : en
  • PL19400B1 - A method of obtaining multiform materials in a specific crystal form. : en pl
  • SU33880A1 - Starting rheostat : en ru
  • US1940803A - Condenser control device : en
  • US1941313A - Submersible motor : en
  • GB403938A - Improvements in tools and appliances for working glass and other vitreous substances in the liquid or plastic state : en
  • FR757601A - Guide spider for adductions with needle nozzle of free jet turbines : en fr
  • PL19404B1 - Squeegee with a cloth holder. : en pl
  • SU33755A1 - Flax spreading machine : en ru
  • FR757522A - Pickle tongs : en fr
  • DE590173C - Extraction of pure sulfur : de en
  • US1940880A - Spring clutch : en
  • US1941201A - Garment or ironing press : en
  • US1941117A - Indicating device for punch tables : en
  • DE590281C - Terminal box for electric motors made of electrically conductive material : de en
  • FR757743A - Device for attaching end pieces of rubber, leather or the like to heels of shoes : en fr
  • SU33716A1 - Apparatus for determining the amount, intensity and time of precipitation : en ru
  • US1940662A - Waterinsoluble disazodyestuffs : en
  • US1940903A - Railway light signal : en
  • US1941179A - Weather screen : en
  • US1941266A - Treatment of hydrocarbon oils : en
  • US1940776A - Car roof structure : en
  • US1941298A - Fire extinguisher : en
  • DE590350C - Device for limiting short-circuit currents : de en
  • US1940797A - Valve mechanism : en
  • AT136069B - Device for protection against unforeseen, sudden penetration of water into spaces of various types, in particular ship spaces. : de en
  • US1941016A - Die-clearing mechanism : en
  • US1941280A - Friction material and method of making the same : en
  • CH166384A - Lighting system on vehicles such as bicycles and motorcycles. : de en
  • US1940819A - Rubber composition and method of preserving rubber : en
  • US1941256A - Uniform corrosion anode and method of making same : en
  • CA338093A - Metal treating furnace : en fr
  • US1940681A - Fire control system for antiaircraft guns : en
  • BE399491A - : en
  • DE590318C - Voltage regulation of separately excited direct current generators : de en
  • GB403469A - Improved process for the production of finely divided metals by precipitation of their salts by means of metals in powdered form : en
  • CH166324A - Electric alternating current synchronous machine. : de en
  • CH166335A - Arrangement for monitoring the dielectric losses of a conductor structure by measuring the displacement current. : de en
  • AT136077B - Device for adjusting the loading width of upper parts of the vehicle. : de en
  • CA338232A - Power transmitting mechanism : en fr
  • SU33507A1 - Metal fixing clearing faces : en ru
  • SU33688A1 - Adaptation to a commercial machine for setting the cutter blind : en ru
  • US1941367A - Hand sharpener for scissors : en
  • CH166405A - Process for the production of artificial structures. : de en
  • CH166361A - Current impulses for printing telegraph apparatus, electric typewriters and the like. : de en
  • AT136010B - Process for the preparation of sulphonic acids of the indole series. : de en
  • AT135990B - Process for cementing iron, steel and their alloys. : de en
  • CH166165A - Storage and sales facility for coffee and similar goods. : de en
  • PL19383B1 - Method of producing ethyl alcohol. : en pl
  • US1940890A - Drill bit : en
  • US1940864A - Electrical apparatus : en
  • US1941362A - Apparatus for drying freshly frinted webs : en
  • SU33562A1 - Rail Lubrication Device : en ru
  • US1940693A - Slip rotation for rock drills : en
  • US1940836A - Retractable landing gear : en
  • US1941045A - Machine for applying solder to cans : en
  • AT135905B - Mixture regulator monitoring the consistency of the substance. : de en
  • CH166162A - Drawer with exchangeable box guide rails that can be adjusted using rotatable adjustment means. : de en
  • AT136018B - Terry towels for bathing purposes. : de en
  • AT136051B - Seamless safety connection for railroad tracks. : de en
  • AT136066B - Automatic brake adjustment device, in particular for motor vehicles. : de en
  • AT136099B - Trigger device for firearms with a double trigger. : de en
  • CH166359A - Curling iron. : de en
  • AT136081B - Seal for slide locks, especially weir gates and lock gates. : de en
  • CA338225A - Metal stock reducing apparatus : en fr
  • CA338185A - Carbon paper holder : en fr
  • SU33542A1 - Device to install the letter before soldering it to the lettered lever : en ru
  • GB404311A - Improvements in or relating to alarm devices for preventing unauthorised use of motor car engines or other prime movers : en
  • BE399916A - : en fr
  • SU33775A1 - Solar motor : en ru
  • US1941406A - Apparatus for cementing wells : en
  • CH166155A - Wall hook. : de en
  • CH166232A - Paper sacks, in particular for packaging food. : de en
  • AT136059B - Single axle drive with spring clutch that is flexible on all sides for vehicles. : de en
  • PL19399B1 - Distance meter with built-in sight. : en pl
  • SU33578A1 - Telephone finder : en ru
  • US1941178A - Saw sharpening machine : en
  • AT136083B - Packing of peat. : de en
  • DE590278C - Extraction of anhydrous alkali polysulphides : de en
  • DK48189C - Method for Assembling Wooden Structures. : da en
  • GB404308A - An improved process for the mechanical manufacture of glass bottles with precisely dimensioned neck opening : en
  • FR757629A - High voltage discharge tube : en fr
  • US1940697A - Locomotive boiler structure : en
  • US1940748A - Yarn dyeing apparatus : en
  • US1940868A - Compound tubular fabric : en
  • GB403591A - Apparatus for operating, locking and controlling switch blades for railways, tramways and the like : en
  • DE590148C - Circulatory lubrication device for the transmission of towing vehicles, especially caterpillar vehicles : de en
  • CA338158A - Electrical control circuit : en fr
  • DE590296C - Device for loading bulk goods from storage areas into ships : de en
  • CH166383A - Coupling auxiliary device for motor vehicles. : de en
  • FR757399A - Cylinder head for engines : en fr
  • GB403964A - Feed-back circuits : en
  • AT135995B - Method and machine for the uninterrupted production of synthetic threads. : de en
  • SU33680A1 - Method for electrolytic co-precipitation of cadmium and iron in spongy form : en ru
  • SU33544A1 - Log stamping numerator : en ru
  • CH166348A - Burner for liquid fuels. : en fr
  • CH166381A - Electrical machine flanged to a gear box, especially for motor vehicles. : de en
  • DK48191C - Carrier transmission system. : da en
  • PL19357B1 - The tub has a heater. : en pl
  • SU33628A1 - The method of obtaining jelly from various organic liquids : en ru
  • US1941407A - Vibrating blade rectifier : en
  • US1940843A - Flash light cap : en
  • US1941392A - Process and apparatus for producing compound glass sheets : en
  • PL19378B1 - A device for castrating birds, especially roosters. : en pl
  • CA338218A - Staple making machine : en fr
  • CH166406A - Internal combustion engine of the liquid fuel injection and compression ignition type. : en fr
  • CH166402A - Process for the production of molding compounds from cellulose derivatives. : de en
  • AU1571233A - Composite air and waterproof fabric : en
  • AT135982B - Drive for cross rolling mills. : de en
  • BE399729A - LUMINOUS FOUNTAINS IMPROVEMENTS : en fr
  • CA338137A - Separator : en fr
  • DE589924C - Dosing device for dental purposes : de en
  • CH166164A - Storage containers for coffee, tea and the like. : de en
  • CH166297A - Hydroelectric storage system. : de en
  • CH166400A - Process for the manufacture of a hydroxyethyl ether of cellulose. : en fr
  • DE590165C - Process for the production of emulsions : de en
  • FR757710A - Device for producing pulsating or alternating currents of high frequency : en fr
  • FR757555A - Dual-use jet breaker, making a jet breaker or shower at will : en fr
  • GB403526A - Switch device for adapters for electric lamps : en
  • US1941275A - Sanding machine : en
  • US1940839A - Roller bit : en
  • US1940987A - Process for the preparation of organic acids : en
  • US1941033A - Machine for closing filled cans : en
  • SU33556A1 - Automatic coupler for railway rolling stock : en ru
  • SU33601A1 - Electric meter : en ru
  • US1940773A - Whole grain corn and method of canning the same : en
  • US1940962A - Contact for electrical circuit breaker mechanisms : en
  • FR757712A - Improvements to reciprocating electric motors : en fr
  • GB403572A - Improvements in glass melting furnaces : en
  • SU33479A1 - Belt Coupler Hitch : en ru
  • US1941430A - Machine for making wire garment hangers : en
  • US1941314A - Temperature control : en
  • US1941419A - Frictional connecting means for straight knitting machines : en
  • AT136084B - Control valve for heating systems. : de en
  • GB403575A - Improvements in and connected with flasks for moulding and/or vulcanising dental plates : en
  • CH166184A - Vat dye preparation. : de en
  • AT135942B - Compounded AC-carrying collector machine. : de en
  • FR757691A - Electric igniter : en fr
  • GB403529A - Improvements in rock drills : en
  • US1940859A - Perpetual calendar : en
  • US1940901A - Anchoring device for transportable hoisting and hauling appliances : en
  • US1941408A - Tufting button : en
  • US1941173A - Process and device for cooling the animal body : en
  • DE536422C - Extraction of ammonia and carbonic acid separately from their common mixtures : de en
  • GB403670A - Loud speakers : en
  • US1941147A - Classifying apparatus : en
  • USD91252S - Combined lighter and clock : en
  • BE399711A - : en
  • CH166279A - Countersink cutter with replaceable guide pin. : de en
  • GB403958A - Arrangement for switching inductive loads on to networks of relatively small capacity : en
  • GB403567A - Improved grinding and abrading wheel : en
  • DE590126C - Oscillograph : de en
  • US1940674A - Preparation of organic acids : en
  • SU33584A1 - Modulator device : en ru
  • SU33629A1 - Mechanical nozzle : en ru
  • US1941303A - Modulating system : en
  • US1941307A - Mechanical sound attachment for toy locomotives : en
  • US1941417A - Variable speed unit : en
  • CH166114A - Method of preparing a nutrient solution for accelerating the germination and growth of seeds. : de en
  • GB403609A - Improvements in or relating to speed governors for explosion or internal combustion engines : en
  • FR757458A - Remote control quick drain device for liquid tank : en fr
  • FR757581A - Method and device for producing a so-called line of weakness in the lids of cans of food preserves or the like : en fr
  • FR757720A - Flavored alcoholic lemonade : en fr
  • SU33776A1 - One side lug locknut : en ru
  • FR757550A - Transmission improvements : en fr
  • CH166265A - Device providing constant average force to the escapements of watch movements. : en fr
  • CH166284A - A method and apparatus for the manufacture of articles provided with an abrasive layer. : en fr
  • AT136047B - Power supply for electrically operated monorails from folk amusement railways. : de en
  • US1940866A - Sample taking apparatus : en
  • USRE19035E - E a arndt : en
  • US1941096A - Dental bridge : en
  • DE590298C - Pump storage plant with additional slopes : de en
  • DE590370C - Axle drive for compression refrigeration machines on vehicles, especially refrigerated rail cars : de en
  • US1941350A - Treatment of vegetable fibers to separate and recover the fibrous and nonfibrous constituents : en
  • US1940775A - Percolator : en
  • US1940990A - Valve : en
  • US1941000A - Cooling tower : en
  • US1941151A - Flexible metallic tube : en
  • PL19353B1 - Central heating boiler. : en pl
  • US1940879A - Liquid fuel burner : en
  • US1940922A - Aluminium silicon alloy with a phosphorus content of 0.001 to 0.1% : en
  • US1940931A - Process of reproduction by printing : en
  • CA338159A - Photo-acoustic cinematographic apparatus : en fr
  • PL19333B1 - Metal processing method. : en pl
  • US1941035A - Azodyestuffs insoluble in water and process of making same : en
  • FR757456A - Dosing device, in particular for filling stylographs : en fr
  • FR757414A - Skill game : en fr
  • DK48183C - Procedure for the Preparation and Use of a Nutrient Solution for Plant Growing. : da en
  • AT135961B - Float valve for toilet cisterns or the like. : de en
  • US1940777A - Cooker and cooler combination collar and connecting coupling : en
  • US1940955A - Process and apparatus for refining mineral oils : en
  • DE590384C - Mattress, pillow or the like made of a flexible hollow body : de en
  • FR757730A - Steam plant : en fr
  • GB403660A - Improvements relating in air compressors : en
  • FR757676A - Improvements to electro-magnetic devices allowing the transformation of mechanical vibrations into electrical impulses, devices such as gramophone pick-ups : en fr
  • FR757384A - Process for coating the walls of premises : en fr
  • PL19318B1 - Method of conducting catalytic reactions. : en pl
  • SU33864A1 - Hydraulic beet conveyor : en ru
  • USD91256S - Design fob a child s scooter : en
  • GB403549A - Improvements in or relating to permanent hair waving apparatus : en
  • FR757526A - : fr
  • FR757723A - Skirted engine piston independent of the bosses : en fr
  • FR757365A - Improvements to envelope printing machines : en fr
  • FR757479A - Continuous and reversible insufflation device for pneumothorax : en fr
  • CA338197A - Silver alloy : en fr
  • CH166217A - Process for the preparation of an arylisothiazolone. : de en
  • CH166332A - Contact clamp on installation equipment. : de en
  • GB403963A - Improvements in or relating to process of and apparatus for making pipe, and the improved pipe resulting therefrom : en
  • US1941425A - Air conditioning device : en
  • FR757677A - Improvements relating to door braking or stopping devices : en fr
  • SU33510A1 - Scraper winch : en ru
  • US1940677A - Removable cylinder : en
  • CA338119A - Guy wire protector : en fr
  • DE590321C - Process for the production of metal-containing azo dyes : de en
  • FR757438A - Improvements to protective devices for electrical machines : en fr
  • FR757481A - Method and devices for light projection in relief of photographic and cinematographic images : en fr
  • GB403514A - Improvements in and relating to electric switches with arcextinction by vapour-blast : en
  • GB403599A - Improvements in and relating to scotometers : en
  • AT135945B - Circuit arrangement for monitoring call connections via connecting lines. : de en
  • US1940891A - Vehicle lift : en
  • US1941304A - Means for preventing the overfilling of warm evaporators for liquefied gases : en
  • BE399461A - : en fr
  • CH166174A - Method and device for producing weft coils. : de en
  • DK48198C - Procedure for Operating Discontinuously Operating Chamber Furnaces for the Production of Gas and Coke. : da en
  • AT135984B - Friction wheel lighter closed on all sides. : de en
  • CH166187A - Drum washing machine with swivel device for emptying the laundry drum. : de en
  • AT136056B - Traffic route cover. : de en
  • FR757392A - Improvements to alloys : en fr
  • DE590207C - Process for the manufacture of refractory bricks : de en
  • DE590342C - Process for the production of fiber-free pressed glass replicas : de en
  • AT135919B - Screw locking. : de en
  • CH166197A - Machine for applying glue to cracks and crack lips of soles. : de en
  • CH166343A - Built-in, especially anode grids in a rectifier. : de en
  • CH166205A - Process for preparing a food salt intended for animals. : en fr
  • GB403511A - Improvements relating to stands for supporting articles for table or like use or for window display : en
  • GB403699A - Improvements in and relating to the manufacture of boxes : en
  • FR757553A - Sofa bed : en fr
  • GB403618A - Improvements in electromotor-driven lift operating mechanism : en
  • DK48200C - Automatic firearm with cartridge belt. : da en
  • GB403551A - Improvements in razor sharpening devices : en
  • CH166120A - Holder for lightning protection cables on building roofs. : de en
  • SU33585A1 - Transformer cathode amplifier : en ru
  • US1940745A - Machine for finishing flooring : en
  • US1941160A - Draft gear mechanism : en
  • US1941375A - Automobile trunk : en
  • US1941441A - Liquid-container closer with liquid dispenser : en
  • DE590193C - Device for introducing drugs into body cavities : de en
  • US1940739A - Sign posting hammer : en
  • SU33783A1 - Drive for oscillating motion : en ru
  • US1940710A - Alkacyl-alkoxyalkacyl esters of cellulose and process of making the same : en
  • US1940930A - Electrical apparatus : en
  • US1941300A - Vehicle signaling device : en
  • AT136097B - Electric light bulbs, in particular for headlights. : de en
  • AT136045B - Device for spraying the printed sheets with liquid paraffin or the like for sheet-fed printing machines. : de en
  • CA338252A - Gasoline tank baffle : en fr
  • CH166407A - Device for monitoring the cooling water temperature in explosion engines for driving motor vehicles. : de en
  • AT136037B - Winding roller nest for cigars. : de en
  • US1941046A - Method of forming collars for tearing strip containers : en
  • US1941216A - Outside covering for buildings : en
  • SU33598A1 - Device for protection of substations from overvoltages : en ru
  • US1940980A - Power actuator : en
  • US1941251A - Treatment of hydrocarbon oils : en
  • CH166268A - Limiting device for double-plate anchor escapement. : en fr
  • CA338146A - Safety ladder : en fr
  • SU33503A1 - Combined Coal Mining Machine : en ru
  • US1941065A - Flusher : en
  • CH166247A - Device for producing electrical vibrations which correspond to musical tones. : de en
  • CA338163A - Hoist : en fr
  • SU33506A1 - Wooden bottom mount : en ru
  • US1940835A - Truss wheel construction : en
  • AT136075B - Pneumatic cord tires with side reinforcements. : de en
  • AT136030B - Tractors, especially for agricultural purposes. : de en
  • US1940700A - Internal combustion engine : en
  • US1941414A - Method of improving cream : en
  • CH166295A - Piston, in particular for explosion engines. : en fr
  • SU33519A1 - Reinforcing device for reinforced concrete work : en ru
  • US1940855A - Knife : en
  • SU33473A1 - High pressure valve : en ru
  • SU33561A1 - Wagon retarder : en ru
  • US1941076A - Voltage regulator for electric generators : en
  • CH166320A - Device for storing dry ice blocks, which has a double-walled, evacuated insulating vessel. : de en
  • CH166317A - Water tube boiler. : de en
  • GB403581A - Improvements in or relating to valves for internal combustion engines : en
  • SU33669A1 - Apparatus for making artificial plugs of paper pulp : en ru
  • AT135918B - Fluid change transmission. : de en
  • CH166132A - Electric boiler system. : de en
  • CH166358A - Device for generating permanent hair waves. : de en
  • FR757548A - Process for obtaining long framing times in split-sheet printing machines : en fr
  • GB403956A - Improvements in or relating to continuous-feed motion picture apparatus provided with optical compensators : en
  • PL19406B1 - Cathode ray tube, indirectly heated. : en pl
  • US1941068A - Radiosignaling : en
  • CH166306A - Rotary piston machine, in particular for compression purposes. : de en
  • US1940806A - Filling head for can filling machines : en
  • BE399952A - : en fr
  • AT135907B - Device for draining damp rooms. : de en
  • CH166148A - Equipment on gas generation systems to regulate the gas pressure at the extraction point of gas generators. : de en
  • CH166251A - Anti-skid and braking device that can be attached to skis or shoes. : de en
  • SU33546A1 - Pneumatic device to remove metal from the furnaces in open-hearth furnaces : en ru
  • US1941097A - Production of sterols : en
  • SU33854A1 - Device for reading the height of the level of flammable liquid in the storage : en ru
  • US1940941A - Foot arch support : en
  • SU33600A1 - Electric transformer : en ru
  • SU33821A1 - Submarine ship for work at great depths : en ru
  • AT135910B - Stairs. : de en
  • AT135903B - Dutch with movable base. : de en
  • SU33568A1 - Rail pedal : en ru
  • SU33621A1 - Induction furnace for heating metal blanks : en ru
  • CA338205A - Electric motor : en fr
  • AT136070B - Motor vehicle with three or more axles. : de en
  • SU33855A1 - Intermittent method of drying pasta : en ru
  • US1941062A - Comb making device : en
  • DE590349C - Process for regulating turbine generators equipped with sensitive turbine regulators : de en
  • FR757362A - Marker for games of billiards, cards and the like : en fr
  • AT135954B - Device for reducing the control times of generators. : de en
  • PL19331B1 - Steel alloys intended, in particular, for products subject to permanent mechanical stress, such as tanks, pipes, parts for the construction of boilers, etc. : en pl
  • CA338106A - Catalyst : en fr
  • CA338139A - Cellular building material : en fr
  • CH166339A - Dry rectifier. : de en
  • CH166388A - Method for lubricating axle bearings, in particular rail vehicles. : de en
  • SU33814A1 - Table for the installation of sound films : en ru
  • AT136094B - Electric tube. : de en
  • US1940706A - Leakproof collapsible tube : en
  • US1940811A - Purifying tetryl : en
  • US1940988A - Process for the preparation of organic acids : en
  • BE399561A - : en
  • US1941324A - Signal device : en
  • PL19316B3 - Machine for fusing pillars, carrying filaments, into glass banks of electric bulbs or similar closed glass vessels, provided with a device for shaping the necks of glass bubbles. : en pl
  • SU33504A1 - Mechanical shovel : en ru
  • SU33793A1 - Machine for rolling circular and band saws : en ru
  • SU33876A1 - Radio receiver : en ru
  • US1940784A - Lubrication method and installation and the element thereof : en
  • CH166244A - Photo machine. : de en
  • CH166282A - Process for the production of inner layers of plywood panels from rods. : de en
  • CH166380A - Trailer with metal beams. : en fr
  • CA338181A - Winding machine : en fr
  • AT136031B - Ski with a base plate that can be removed from the board. : de en
  • US1940779A - Ball and socket universal joint : en
  • US1941284A - Charge forming device : en
  • US1941294A - Pressure cooker clamp : en
  • US1940975A - Apparatus for producing mineral wool : en
  • SU33486A1 - Liquid sealing device for dry gas tanks : en ru
  • SU33877A1 - Cable for connecting to a complex antenna : en ru
  • US1940733A - Valuable-paper wallet : en
  • USD91251S - Design for a measuring spoon or : en
  • SU33488A1 - Yass for rotary drilling : en ru
  • AT135902B - Machine for the production of boxes, in particular the sleeves of matchboxes. : de en
  • AU1562233A - Voltage-steadying device withthe use of glow-lamps : en
  • CA338156A - Door operating apparatus : en fr
  • CH166276A - Method and device for round bending of flat sheet metal edges on longitudinally open pipes. : de en
  • US1940715A - Locomotive structure : en
  • FR757364A - Improvements to hydraulic couplings : en fr
  • SU33622A1 - Self-continuous, continuously acting electrode : en ru
  • PL19332B1 - A method of producing wetting, foaming, dispersing and cleansing agents. : en pl
  • FR757521A - Automatic and continuous sounding device at sea by hammer blows echoes : en fr
  • GB403684A - Improvements in or relating to a process of and an apparatus for making pipe, and the pipe produced thereby : en
  • FR757686A - Propulsion device for vehicles : en fr
  • GB403668A - Improvements in brake mechanism for vehicles and the like : en
  • US1941243A - Manufacture of artificial cream : en
  • FR757494A - Automatic braking improvements for towed vehicles : en fr
  • GB403532A - Reinforced concrete building slabs : en
  • FR757552A - Quiet valve control : en fr
  • GB403955A - Improvements in keys for turning stop cocks, bib cocks and the like, when situated in inaccesible places : en
  • US1941093A - Sheet feeding mechanism for printing machines : en
  • US1941223A - Page-end indicator : en
  • CH166224A - Dye mixture. : de en
  • US1941211A - Structural floor : en
  • SU33531A1 - Filter to clean the air from dust : en ru
  • GB403463A - Improvements in wooden fireplace curbs : en
  • US1940923A - Strainer : en
  • US1941072A - Candle extinguisher : en
  • DE590159C - Process for the preparation of hormones from urine of human or animal origin : de en
  • GB403615A - Improvements in or relating to roofs and floors and to structural elements therefor : en
  • FR757534A - Improvements to automatic or semi-automatic telephone systems including prepaid stations : en fr
  • CH166308A - Gap with an invariable wall distance transverse to the direction of flow between areas of different pressure in liquid ducts. : de en
  • GB403523A - Improvements in filtering apparatus : en
  • GB403986A - Improvements in the suspension of machinery subject to vibration : en
  • CH166182A - Device for circular knitting machines for transferring one loop of knitted fabrics to the neighboring needles. : de en
  • SU33816A1 - Hydraulic press for punching saw blades : en ru
  • SU33569A1 - Track pedal : en ru
  • FR757468A - : fr
  • GB403527A - Improvements relating to gas heated heating apparatus : en
  • GB403559A - Improvements in or relating to electrical oscillation generators : en
  • US1940825A - Pneumatic pressure control device for fleshing machines, etc. : en
  • US1940718A - Electrical switch and control circuit therefor : en
  • FR757727A - Machine for forming stone and tar mixtures or other similar applications : en fr
  • GB403486A - Improvements in and relating to paper or other bags, envelopes or the like : en
  • DE590383C - Device for lighting stove loads : de en
  • DE590163C - Process for the preparation of Kuepen dyes of the anthraquinone series : de en
  • FR757711A - Universal pliers for bending, removing and cutting insulating tubes and conductors : en fr
  • SU33675A1 - Method and device for rolling rubber compounds, eliminating their overheating : en ru
  • US1940732A - Car dumping mechanism : en
  • US1941053A - Process of manufacturing balls and small articles of closed-cell cellular rubber : en
  • CH166353A - Protection device for balls and other pressure-sensitive areas of the foot. : de en
  • GB403471A - Improvements in hydraulic jacks and other hydraulic apparatus : en
  • GB403495A - Improved manner of construction of bridges of standardized members : en
  • US1940848A - Adjustable bottom for containers : en
  • US1941108A - Production of vinyl ethers : en
  • PL19359B3 - Concrete cover for cables. : en pl
  • US1940916A - Railway light signal : en
  • SU33665A1 - Adaptation to the trimmer for automatic descent of the rails : en ru
  • US1941229A - Alternating current signaling system : en
  • US1940999A - Valve : en
  • US1941349A - Manufacture of vegetable condensation products : en
  • CH166356A - Injection syringe with a device for sterilizing the same with boiling water and steam. : de en
  • DE590191C - Single-acting stage compressor with rectified working surfaces : de en
  • DK48190C - Apparatus for burning, drying, calcining and possibly sintering of substances of various kinds. : da en
  • FR757465A - Coin holder : en fr
  • US1941299A - Concrete form : en
  • GB403709A - Improvements relating to the reduction of interference in thermionic valve circuits : en
  • BE399901A - Process and apparatus for ridding residual sulfuric acids with nitric acid of organic matter with which they are loaded : en fr
  • FR757733A - Further training for researchers for cameras : en fr
  • GB403652A - Improvements relating to mops or polishing pads : en
  • CA338244A - Plastic forming apparatus : en fr
  • BE399451A - : en
  • CH166129A - Furnace with built-in hot water generator. : de en
  • CH166340A - Magnet and method of making the same. : de en
  • GB403563A - Improvements in hydraulic variable-speed gearing : en
  • US1941289A - Rock drill : en
  • US1941326A - Pipe : en
  • SU33659A1 - Plunger for central water heating system : en ru
  • US1940881A - Combined receiver and transmitter : en
  • FR757649A - Method for closing gas containers : en fr
  • FR757520A - Improvement in altimetric capsules : en fr
  • FR757606A - Pantographic device for reproducing machines, with variable scales, in particular for the manufacture of shoes : en fr
  • US1941346A - Rug hooker : en
  • FR757460A - Improvements to the regeneration of burnt out electric lamp bulbs : en fr
  • FR757587A - Improvements to lubrication devices : en fr
  • SU33511A1 - Suspended mechanical loader for loading rock and tubs when conducting vertical shafts : en ru
  • US1941165A - Burial vault fastener : en
  • CA338113A - Phonograph disk playing apparatus : en fr
  • FR757405A - Manufacturing process of metal wheels, punches and dies and metal wheels : en fr
  • DE590230C - Process for the production of ammonium sulfate : de en
  • FR757493A - Improvements to t devices. s. f. : en fr
  • FR757602A - Device for controlling a valve provided with control grids, for example a mercury vapor rectifier : en fr
  • DE590057C - Oven for cementing iron objects : de en
  • DE590294C - Split body rudder for ships : de en
  • GB403691A - A new or improved puzzle : en
  • GB403542A - An improved water heater for supply systems : en
  • GB403607A - Improvements in and relating to hydraulic motors : en
  • US1940983A - Adjustable pipe joint clamp : en
  • US1941235A - Thread protector : en
  • US1941040A - Process and device for cleaning precious metals, especially silver : en
  • US1941070A - Heterodyne wireless receiver : en
  • US1941122A - Brake : en
  • US1940809A - Laundry unit : en
  • US1940831A - Traffic signal : en
  • FR757380A - Lining for motor vehicle brakes and shoe therefor : en fr
  • DE590205C - Storm hook : de en
  • DE590155C - Process for producing a dense, homogeneous blast furnace slag : de en
  • FR757484A - Manufacturing process for hydraulic and refractory binders and resulting agglomerated products : en fr
  • GB403445A - Improvements in and relating to means for heating the feed water of boilers : en
  • US1941370A - Fish lure : en
  • CH166222A - Process for the preparation of a chromable green monoazo dye. : de en
  • USRE19034E - fitz gerald : en
  • FR757634A - Process for mixing suspended matter with other matter of all kinds : en fr
  • FR757736A - Process and apparatus for the continuous distillation of miscelles and deodorization of oils and fats in a single operation : en fr
  • DE590196C - Injection carburetor : de en
  • AT135926B - Blow-down valve with knee lever closure. : de en
  • CA338098A - Earth anchor : en fr
  • CA338135A - Fuel pump : en fr
  • AT136076B - Tires for wheels. : de en
  • SU33715A1 - A device for pyrometry and gas analysis of rotary kilns, in particular, cement kilns : en ru
  • SU33757A1 - Cotton banding machine : en ru
  • US1940872A - Illumination apparatus : en
  • CA338149A - Split phase motor starting means : en fr
  • USD91242S - Design for a stapling machine frame : en
  • US1941021A - Heat regulator for ovens and the like : en
  • CH166228A - Process for the manufacture of absorbent rubber. : de en
  • CA338172A - Silver recovery control : en fr
  • CH166382A - Device for blocking and releasing a freewheel mechanism built into the drive shaft train of motor vehicles. : de en
  • US1940660A - Diresorcin isatin : en
  • US1940920A - robinson : en
  • SU33645A1 - Putty for correcting molds : en ru
  • SU33652A1 - Gas generator bath glass melting furnace according to the Gobbe system : en ru
  • US1940813A - Centrifugal basket : en
  • US1941222A - Tube cleaning noise-silencer : en
  • SU33810A1 - A method of making two-sided photographic paper : en ru
  • US1941308A - Awning : en
  • FR757672A - Improvements to multi-plug sockets and to electrical contacts with plugs and sockets : en fr
  • FR757622A - Automatic counter hole billiard table : en fr
  • PL19347B1 - The magnetic coil of electrical instruments, in particular meters or other measuring instruments. : en pl
  • GB403584A - Improvements in differential pressure motor : en
  • GB403545A - Improvements in playing cards : en
  • PL19360B1 - K4r 47 b, 13, Ball or roller bearing with two-part running rings and the method of fixing the inner running ring in the bearing. : en pl
  • FR757684A - Cycle handlebars : en fr
  • IE12827L - Electrical plugs : en
  • PL19314B3 - Device for inductively acting on a train. : en pl
  • PL19361B1 - Grease pump. : en pl
  • US1941043A - Line control for can making machines : en
  • US1941084A - Paper box : en
  • FR757518A - Ferrous alloy, forgeable and castable, corrosion resistant : en fr
  • DE590171C - Cross air frames for drying fabrics : de en
  • US1941335A - Submergible apparatus : en
  • USD91248S - Design for an ash tray : en
  • SU33582A1 - Device for radiotelephone transmission : en ru
  • US1940725A - Process for treating carbonaceous material : en
  • PL19312B3 - Device for arc extinguishing in electric switches with contacts immersed in liquid. : en pl
  • SU33648A1 - The method of casting magnesium and its alloys : en ru
  • US1940712A - Method and means for braking vehicles : en
  • US1940713A - Horologic device for closing an electric circuit : en
  • US1941042A - Seal : en
  • US1941242A - Minnow trap : en
  • DE590144C - Quick change chucks for machine tools, especially drilling machines : de en
  • DE590324C - Interchangeable formwork : de en
  • FR757415A - High resistance, impermeable and impermeable magnesian tiles : en fr
  • FR757535A - Ionization process of the explosive mixture of internal combustion engines : en fr
  • US1940734A - Refrigerating system : en
  • US1941202A - Alloy steel : en
  • PL19322B3 - The method of obtaining azo dyes containing chromium. : en pl
  • US1940727A - Resin and coating or plastic composition containing the same : en
  • US1941010A - Multiple-step partial oxidation method : en
  • US1941051A - Dispensing container : en
  • DE590142C - Self-closing valve with counter-pressure chamber and an auxiliary valve seated in the main valve body, in which the seat for the main valve body is designed as an exchangeable nozzle opening into the outlet : de en
  • DE590095C - Process for the independent execution of any work movements : de en
  • CA338204A - Barium compound : en fr
  • FR757561A - Electrically triggered boules device : en fr
  • SU33609A1 - Method of measuring self-induction : en ru
  • SU33636A1 - X-ray fixator : en ru
  • US1941063A - Dyestuff of the anthraquinone series : en
  • US1941351A - Pectose resins and method of making same : en
  • SU33791A1 - Taper hole boring device : en ru
  • US1941002A - Machine for treating pipes and the like : en
  • US1941423A - Method of heat treating piano string frames : en
  • SU33517A1 - Device for the safe inclusion of punching presses : en ru
  • US1940869A - Amplifying system : en
  • US1941150A - Lock : en
  • US1941334A - Charge forming device : en
  • US1940849A - Reclosable carton : en
  • GB403520A - Improvements in devices for circulating liquids and for reversing the direction of flow thereof : en
  • FR757505A - Cooling system : en fr
  • SU33883A1 - Method of reporting opacity to glass or enamel : en ru
  • US1940768A - Bleaching fur skins : en
  • US1940865A - Switch plug : en
  • CH166173A - Process for drawing fibers, in particular cotton fibers, and drawing equipment suitable for carrying out the process for spinning machines, such as ring spinning and carriage spinning machines. : de en
  • FR757600A - Perfect layout for maps, tables or more : en fr
  • DK48203C - Holder for Damebind. : da en
  • US1941380A - Brake for motor vehicles or the like : en
  • FR757495A - Improvements to signaling and remote control systems using high frequency currents superimposed on electric power distribution currents : en fr
  • US1940838A - View transmission system : en
  • US1940856A - Bolt anchor : en
  • GB403576A - Improvements in and relating to coin holders or purses : en
  • GB403577A - Improvements in or relating to washing coppers : en
  • GB403566A - Method of and means for producing blanks for roll threaded bolts and the like : en
  • GB403604A - Improvements in and relating to electric discharge devices : en
  • AT135978B - Floor brush. : de en
  • GB403461A - Improved method for attaining a difference in pressure between two chambers filled with gas, and an improved gas-pump for use in connection therewith : en
  • DK48184C - Galvanic Element of the Leclanche type. : da en
  • US1940949A - Ticket or check issuing machine : en
  • US1941086A - Mechanism for and method of preparing tufting yarns : en
  • SU33735A1 - Automatic machine for receiving and stamping mailings : en ru
  • FR757356A - Improvements to devices used to humidify the air : en fr
  • SU33574A1 - Device for transferring fonts from one to another in the Bodo telegraph apparatus : en ru
  • CH166207A - Process for the evaporation of liquids, in particular sea water or other liquids containing substances which are separated out during evaporation. : de en
  • DE590246C - Telecommunication transmission device : de en
  • DE590361C - Winding device for fish hook : de en
  • PL19417B1 - A device for sorting minerals and agricultural crops. : en pl
  • SU33472A1 - Apparatus for controlling pneumatic locking valves of an automotive differential : en ru
  • CH166411A - Process for the preparation of an antimony III complex salt. : de en
  • CH166146A - Electric crematorium oven. : en fr
  • PL19342B1 - A method of catalytic pressure hydrogenation of carbon-containing materials. : en pl
  • SU33677A1 - Method for the hardening of proteinaceous plastics : en ru
  • SU33694A1 - Planner : en ru
  • SU33753A1 - Harvesting machine with double cut stalks : en ru
  • PL19313B3 - Device for inductively acting on a train. : en pl
  • PL19328B1 - A camera with a distance meter coupled with a lens hood. : en pl
  • PL19429B3 - Camless distribution system for steam engines. : en pl
  • SU33558A1 - Railway rolling stock buffer : en ru
  • US1941301A - Tray holder for ovens : en
  • SU33683A1 - The method of obtaining metallic magnesium : en ru
  • SU33789A1 - Adaptation to the lathe for securing the sectors during their processing : en ru
  • US1941185A - Support for shirt collars : en
  • DE590289C - Electromagnetic strain or tension meter : de en
  • US1940960A - Compressed air power unit : en
  • PL19370B1 - KL-5 c, o / oi.- Mining support. : en pl
  • CA338229A - Mixing apparatus : en fr
  • SU33690A1 - Device for checking the size of rectangular sheet blanks : en ru
  • GB403582A - Improvements in or relating to pneumatic mixing plants for cotton and similar fibrous materials : en
  • PL19329B1 - A method of producing high-molecular organic sulfides. : en pl
  • US1940927A - Electrical equipment : en
  • DE590180C - Procedure for carrying out single-frequency broadcasting : de en
  • CA338115A - Metal fastener : en fr
  • CH166199A - Universal machine for food processing for bakeries and pastry shops. : de en
  • US1941095A - Flexible connection : en
  • CA338120A - Insulated floor covering material : en fr
  • FR757404A - Method and device for the manufacture of laminated glass plates, optionally furnished with relief designs : en fr
  • AT135904B - Drive belts, belts, tapes or the like. : de en
  • BE399645A - Device for compounding and protection of electric shock devices : en fr
  • CA338124A - Air compressor : en fr
  • AT135971B - Pipe welding machine. : de en
  • USD91233S - Design for a memorandum device : en
  • CH166223A - Process for the production of a new anthraquinone derivative. : de en
  • US1941388A - Heat controlling apparatus : en
  • CH166116A - A spring and piston device for exerting pressure on a liquid and pushing it out of a container. : en fr
  • US1940763A - Comb sterilizer : en
  • CA338238A - Telephone system : en fr
  • AT136039B - Grist mill. : de en
  • CH166150A - Universal machine for food processing for kitchens in hotels, restaurants and guest houses. : de en
  • PL19422B1 - Device for issuing chips. : en pl
  • FR757394A - Gearshift for bicycle, sliding pinion and chain tensioner : en fr
  • DE590224C - Picture sound film reproducing machine : de en
  • US1941026A - Combined harvester-thresher : en
  • US1941186A - Ventilator for cars : en
  • AT135983B - Process for the production of buoyant soap. : de en
  • AT136003B - Enamelled vessels and processes for their manufacture. : de en
  • CH166130A - Oven door. : de en
  • SU33595A1 - Liquid rheostat : en ru
  • SU33765A1 - The way to protect the combs in the shops of hives, frames, etc. from envy : en ru
  • AT136048B - Process for growing sugar beet and other root crops. : de en
  • AT136073B - Vehicle with driven carriage rotating in an annular hollow body. : de en
  • PL19396B1 - Filtering device. : en pl
  • US1940867A - Circuitous elevator : en
  • US1941073A - Pneumatic sound reproducer : en
  • CH166379A - Facility for loading and unloading a vehicle onto and from another. : de en
  • US1941149A - Hydraulic shock absorber and the like : en
  • US1941188A - Manufacture of plaster of paris : en
  • PL19350B1 - Packaging, especially for fragile items. : en pl
  • SU33491A1 - Side grouser for sampling from borehole walls : en ru
  • SU33692A1 - The device for lining plans for the coordinates : en ru
  • US1940814A - Metal coating method : en
  • US1940942A - Contact clip : en
  • DE590209C - Process for the production of compressed yeast using ammonium phosphate compounds : de en
  • FR757461A - Method and apparatus for the separation of solids by flotation : en fr
  • GB403673A - Improvements in or relating to oscillating joints : en
  • GB403985A - Systems for controlling operations by means of sound waves : en
  • PL19430B1 - A method of preparing cellulose, intended for the production of glued paper. : en pl
  • SU33835A1 - Device for controlling traffic control signals : en ru
  • FR757407A - Improvements relating to abrasive sheet products such as glass paper or other similar products and manufacturing processes for these products : en fr
  • FR757432A - A method of making compositions and articles containing at least two plastics substantially insoluble in each other : en fr
  • FR757748A - : fr
  • FR757352A - Improvements to the signaling or remote control system for currents at musical frequencies generated by static generators and superimposed on the electrical distribution networks : en fr
  • FR757697A - Ready-made tie-fixing device : en fr
  • FR757619A - square for sorting paper : en fr
  • FR757696A - Improvements to universal joints : en fr
  • US1941082A - Toy parachute and projecting means therefor : en
  • CH166289A - Shirt button. : de en
  • USD91237S - Design for a bottle : en
  • SU33865A1 - A device for determining the size of crystals : en ru
  • US1941291A - Photographic shutter : en
  • US1941110A - Electron discharge device : en
  • CH166238A - Multi-motor drive of rotary printing presses. : de en
  • DE590227C - Process for the production of molded bodies from a lean substance and a clay binder treated with alkalis or other liquefying agents : de en
  • PL19345B1 - The method of soldering cells in jewelry chains. : en pl
  • AT136079B - Device for protection against unexpected, sudden penetration of water into spaces of various types, in particular into ship spaces. : de en
  • CH166227A - Process for making a motor propellant. : de en
  • CA338193A - Turbine shaft bearing : en fr
  • PL19320B1 - Garter belt. : en pl
  • SU33726A1 - Vessel for receiving and storing samples of bulk and liquid substances : en ru
  • AT135936B - Mercury interrupter. : de en
  • SU33666A1 - Circular saw machine : en ru
  • BE399643A - Preparation of masses composed of or containing cellulose esters and / or ethers. : en fr
  • PL19349B1 - The method of building cylindrical roads made of crushed stone. : en pl
  • US1940799A - Mining machine : en
  • USD91239S - Design for a qtjin-focal ophthalmic : en
  • CA338109A - Stoker : en fr
  • CA338188A - Voltage regulation : en fr
  • AT135974B - Fitting for fold-down doors of cupboards or the like. : de en
  • AT136063B - Wheel tires for rail vehicles and processes for their manufacture. : de en
  • SU33650A1 - Suspension device for extruding molds from molds : en ru
  • CA338108A - Radio remote control : en fr
  • FR757487A - Extinguishing foams improvements : en fr
  • US1940664A - Process of forming metal containers : en
  • US1940885A - Method of and apparatus for assembling universal joints : en
  • PL19386B1 - The method of purifying a solution of calcium nitrate. : en pl
  • US1940956A - Resettable fuse : en
  • CA338151A - Radio receiver control system : en fr
  • CH166285A - Apparatus for sharpening knife blades. : de en
  • CA338091A - Electric heating element : en fr
  • CH166208A - Melting kettles, in particular for impregnating compounds. : de en
  • FR757448A - Cigarette holder : en fr
  • SU33782A1 - Transmission for speed change : en ru
  • US1941138A - Lubricating device : en
  • PL19395B1 - Machine for making bottles, flasks and other empty glass items. : en pl
  • SU33532A1 - Water filter for cooling boats : en ru
  • US1941048A - Valve-closed metal container : en
  • US1941220A - Rectal anzesthetics and analgesics : en
  • US1940793A - Metering fluid feeding device : en
  • US1941347A - Automatic fruit gripping and cutting mechanism : en
  • US1940850A - Joining layers of sheet metal : en
  • US1940862A - Leaded window trussed joint : en
  • PL19365B1 - Incendiary projectile, bomb, mine or the like. : en pl
  • PL19402B1 - The method of processing langbeinite. : en pl
  • SU33548A1 - Quench cooling device : en ru
  • US1941003A - Photographic accessory : en
  • SU33638A1 - Functional maxillary article tor : en ru
  • US1941384A - Electrical system : en
  • DE590216C - Circuit breaker with residual current coil and testing device : de en
  • FR757594A - : fr
  • SU33704A1 - Plow Recording Device : en ru
  • BE399702A - : en fr
  • PL19330B1 - A method of producing products containing solid potassium hypochlorite. : en pl
  • SU33792A1 - Hole drilling device : en ru
  • US1940974A - Waterproof and water-repellant insulation : en
  • US1941246A - Superheater with temperature control : en
  • USD91241S - Design for an ice cream cone : en
  • SU33502A1 - Pneumatic jackhammer : en ru
  • US1940708A - Leather splitting machine : en
  • AT135930B - Swivel frame for hydraulic gears. : de en
  • CA338112A - Book leaf holder : en fr
  • CH166386A - Device for preventing rail vehicles from derailing. : de en
  • DK48188C - Milling and sanding machine for shoemaking. : da en
  • FR757679A - Shut-off valve with parallel shut-off discs that can be moved along the axis : en fr
  • USD91254S - Design fob a child s vehicle : en
  • CH166385A - Disc clutch. : de en
  • US1941101A - Process for producing a steel having a lesser tendency to blue fracture and brittleness due to ageing : en
  • DE590179C - Reception arrangement to eliminate the rounding off phenomena of tactile characters : de en
  • US1940892A - Transformer insulation : en
  • US1941183A - Dam : en
  • US1940752A - Agitator : en
  • SU33773A1 - Device for cooling internal combustion engines : en ru
  • SU33662A1 - Fitting to the saw-frame for mounting, fixing and tensioning saws : en ru
  • AT136005B - Process for the production of practically pure cellulose (alpha cellulose) from raw celluloses of any origin. : de en
  • SU33838A1 - Comb mechanism for preparatory spinning machines of flax-hemp-jute production : en ru
  • US1940904A - Surgical appliance : en
  • DE590375C - Process for the preparation of o-oxyazo dyes : de en
  • DK48202C - Procedure for rendering paper and paper products impervious to water and the like. : da en
  • GB403544A - A removable attachment for use with soda water or other syphons containing aerated liquids : en
  • GB403602A - Improvements in or relating to electric motors or other apparatus mounted inside a submersible bell or the like : en
  • US1940689A - Manufacture of phosphoric acid : en
  • US1941044A - Process of crosswise wrapping of goods : en
  • FR757588A - : fr
  • SU33508A1 - Loading machine : en ru
  • US1940893A - Procedure of coking pitch and coal in a by-product coke oven battery : en
  • SU33731A1 - Device for building moving charts : en ru
  • CH166294A - Claw coupling for gear parts. : de en
  • SU33750A1 - Maize harvesting machine : en ru
  • AT135979B - Articulated connection for collapsible pieces of furniture, such as folding tables, folding armchairs or the like. : de en
  • AT136033B - Ski whose metal strips are connected to a strip-shaped surface on the side facing the running wood. : de en
  • US1941317A - Shuttle : en
  • DE590198C - Adjustment device on projection and enlargement devices for adjusting the lens and a filter that works with it : de en
  • SU33605A1 - Potentiometer for temperature measurements : en ru
  • US1941039A - Magnesium alloy : en
  • SU33805A1 - Dewatering part of paper machine : en ru
  • PL19355B1 - A method of sealing bituminous road surfaces, preventing the penetration of moisture. : en pl
  • PL19374B1 - Foot automatic bicycle brake. : en pl
  • SU33679A1 - The method of preparation of marble fiber : en ru
  • FR757410A - Telephone transmission system by loaded cables, in particular by pupin cables, for long distances : en fr
  • SU33559A1 - Air distributor for automatic air brakes of the air distributor type in a conventional Westinghouse brake : en ru
  • US1940790A - Fluid conducting passage : en
  • US1941017A - Railroad crossing gate : en
  • CH166226A - Process for the production of a new indigoid dye. : de en
  • PL19354B1 - -43 ^ 49 C, 22/03. Saw sharpener : en pl
  • CA338219A - Grounding fitting : en fr
  • FR757446A - Safety device for level crossings : en fr
  • AT135975B - Shoe scraper. : de en
  • SU33738A1 - Plow fitting for soil loosening : en ru
  • US1941323A - Trailer nose construction : en
  • AT136087B - Procedures and devices for ventilation of rooms. : de en
  • PL19393B1 - Electric adapter. : en pl
  • BE399723A - New system for producing the rotor windings of electrical machines : en fr
  • US1941204A - Manufacture of useful products from cellulose derivatives : en
  • PL19391B1 - Electric device for heating water and generating steam. : en pl
  • SU33563A1 - Electric switch with internal locking : en ru
  • FR757572A - Improvements relating to the use of heavy combustible liquids such as gas oils in internal combustion engines : en fr
  • CA338182A - Sealed receptacle : en fr
  • CH166156A - Foldable sofa that can be used as a double bed. : de en
  • DE590264C - Mutoscope : de en
  • AT135938B - Circuit arrangement for initiating switching operations in telephone systems. : de en
  • SU33700A1 - Device for measuring skin area : en ru
  • SU33617A1 - Induction type electric heater : en ru
  • CH166366A - Fire alarm device with mercury thermometers. : de en
  • SU33516A1 - Method and machine for driving pipe ends before drawing : en ru
  • US1941337A - Jar : en
  • US1941004A - Combined photographing, endorsing, and perforating machine for checks and the like : en
  • CA338086A - Alpha cellulose production : en fr
  • SU33798A1 - Box solder : en ru
  • PL19343B1 - Method of tanning animal skins. : en pl
  • AT135959B - Photocell with external photoelectric effect. : de en
  • SU33602A1 - Electric meter : en ru
  • SU33751A1 - Combine for harvesting silage crops : en ru
  • US1940703A - Method of and machine for producing gears : en
  • US1941105A - Interlocking shingle construction : en
  • DE590241C - Device on typewriters to secure the writing limit at the lower edge of the sheet of paper : de en
  • DE590394C - Pump with a cylindrical housing : de en
  • DK48199C - Of two symmetrical halves composed Element boiler. : da en
  • FR757514A - Advanced spring cushion : en fr
  • SU33496A1 - Core drill : en ru
  • US1940847A - Apparatus for winding coil condensers : en
  • PL19431B1 - A method of producing non-piercing and non-marking color copy coatings on substrates such as carbon paper, copy forms, etc. : en pl
  • US1941270A - X-ray apparatus : en
  • US1941310A - Thermostatic switch : en
  • SU33746A1 - Cabbage harvester : en ru
  • US1941199A - Casting apparatus : en
  • AT136007B - Security paper. : de en
  • AT136017B - Printing ink. : de en
  • US1941109A - Holder for refractors : en
  • CH166313A - Method and device for utilizing the energy of the exhaust gases from internal combustion piston engines. : de en
  • CH166316A - Light metal pistons for internal combustion engines. : de en
  • AT135994B - Method and device for the catalytic combustion of flammable or explosive gas mixtures containing ammonia and oxygen. : de en
  • AT135946B - Telecommunication cables with air space cores. : de en
  • CH166117A - Hollow wall, consisting of a concrete outer wall and an inner wall made of insulating material. : de en
  • BE399777R - : fr
  • PL19390B1 - Device for separating individual wires from a bundle, for example wires, intended to supply a current in electric bulbs, and to transfer them to their destination. : en pl
  • US1940743A - Box lining machine : en
  • SU33590A1 - The method of transmission and reception of modulated oscillations : en ru
  • SU33670A1 - Sanding machine using sandblaster : en ru
  • US1941131A - Ironing machine : en
  • US1941401A - Corset : en
  • CH166349A - Removable ring for oil burner cap. : en fr
  • CH166368A - Display device attached to a door. : de en
  • SU33485A1 - Mannequin, allowing the change of form : en ru
  • AT136002B - Process for the preparation of acylaminobenzenestibinic acids. : de en
  • AT136020B - Process for the production of porous masses and objects. : de en
  • AT136049B - Snow plow. : de en
  • CA338085A - Projecting apparatus for advertising : en fr
  • CA338170A - Brick machine : en fr
  • DE590187C - Electrically heated hotplate with high heat output, the heating conductor of which is embedded in insulating compound between ribs attached to the inside of the hotplate : de en
  • CA338101A - Folding chair : en fr
  • CH166267A - Elastic balance for watch movements and other watch movements. : en fr
  • CH166137A - Process for the production of lime-containing molded plastics. : de en
  • FR757470A - Distributor of heavy, gravel or granular materials for self-unloading trays, self-pushers, tippers and fixed hoppers : en fr
  • FR757657A - Method for characterizing mixed fertilizers containing ammonium nitrate : en fr
  • FR757746A - Process for reciprocal refrigeration or heating of chambers or vessels : en fr
  • DE590204C - Vessel lid with bayonet lock : de en
  • USD91245S - Design for a bottle : en
  • FR757714A - Improvements in stereoscopic photography : en fr
  • FR757623A - Improvements in the automatic evacuation of soot, ash and the like : en fr
  • FR757670A - Clarinet with diatonic touch : en fr
  • CH166142A - Device for locking shutters and similar closure parts in the open position. : de en
  • AT135915B - Method and device for gluing sheets, cards, labels or the like. : de en
  • PL19405B1 - X-ray tube with rotating anode. : en pl
  • SU33720A1 - Moisture meter : en ru
  • CA338206A - Soy bean flour : en fr
  • GB403510A - Machine for stripping the waste sliver from condenser or like bobbins used in the textile trade : en
  • CH166193A - Exchangeable running stain on shoe heels, especially women's shoe heels. : de en
  • AT135996B - Process for the aftertreatment of rayon. : de en
  • CH166189A - Process for the production of zip fasteners and a zip fastener produced according to this method. : de en
  • BE399510A - Products for the destruction of weeds and soil pests : en fr
  • CH166298A - Method for regulating the flow rate of control valves, in particular those on hot water radiators. : de en
  • US1940840A - Electrical apparatus : en
  • AT136096B - Safety igniter for gas appliances. : de en
  • AT136021B - Process for the preparation of N-monoallyl or N. N'-diallyl derivatives of 5,5-disubstituted barbituric acids. : de en
  • AT136080B - Device for accelerating the filling and releasing of air brakes. : de en
  • SU33797A1 - Pa lnic for soft solders : en ru
  • US1941394A - Woodworking machine : en
  • US1940676A - Process and means for resoling shoes : en
  • CH166124A - Communication window. : de en
  • CA338173A - Two colour photographic print : en fr
  • AT135923B - Lockable tap, in particular for the fuel line of motor bicycles. : de en
  • CA338088A - Rail manufacture : en fr
  • CA338161A - Light relay : en fr
  • AT135908B - Sliding window. : de en
  • CH166145A - Firing system for liquid gaseous or powdered fuels. : de en
  • AT136008B - Process for the production of solid shaped pieces from fibrous materials. : de en
  • AT136054B - Dust seal for axle bearings with mechanical lubrication. : de en
  • SU33678A1 - Ornamental material and method of processing : en ru
  • USRE19037E - Refrigerator cabinet : en
  • US1940970A - Game : en
  • US1941386A - Curtain stretcher : en
  • FR757641A - Multipurpose household utensil : en fr
  • GB403466A - Improvements in or relating to the lubrication of axle bearings for rail vehicles : en
  • FR757411A - Weighing device automatically indicating the weight of the brine to be introduced into the meat to be salted : en fr
  • AT136088B - Device controlled by a balance for filling liquids according to selectable specific weight quantities. : de en
  • CH166362A - Ventilation device for closed rooms, in particular telephone booths. : de en
  • CH166364A - System for the distribution of modulated, high or medium frequency carrier waves over a power network. : de en
  • GB403600A - Improvements in and relating to liquid-break electric switches : en
  • PL19326B1 - Method for the production of metallic magnesium from magnesium oxide. : en pl
  • SU33815A1 - The method of manufacture of printing plates with a set of : en ru
  • US1940807A - Bituminous emulsions and process of making same : en
  • CA338117A - Travelling case : en fr
  • CA338189A - Voltage regulation : en fr
  • FR757647A - Mechanism for maneuvering a sailboat by one man : en fr
  • CA338148A - Concrete vibrator : en fr
  • CH166325A - Device for winding rotors of multi-pole electrical machines. : de en
  • FR757698A - Method for improving the resistance of cathodes in the electrolysis of molten salts : en fr
  • SU33552A1 - Dredging machine, for example, for planning purposes : en ru
  • US1940805A - Superheater for water tube boilers : en
  • FR757749A - Self-winding wristwatch : en fr
  • CH166351A - Plotter device for recording devices. : en fr
  • FR757578A - Carburetor for internal combustion engines : en fr
  • US1941416A - Improved tobacco product : en
  • US1941445A - Electromechanical oscillator : en
  • GB403612A - The manufacture of ureas : en
  • FR757503A - Process for purifying liquids having suspended matter : en fr
  • GB403531A - Improvements relating to cases for lipstick, pencils for the eyes and like articles : en
  • GB403960A - Improvements in or relating to mould boxes for forming concrete blocks and such like articles : en
  • FR757418A - Pipe enhancements : en fr
  • BE399611A - : en
  • CA338202A - Antenna coupling : en fr
  • CA338121A - Projectile : en fr
  • CH166272A - Water-resistant case winding watch. : en fr
  • US1941161A - Clutch : en
  • FR757664A - Suction cleaning device for threshers and other applications : en fr
  • FR757611A - Extendable tube, particularly suitable as a support leg branch : en fr
  • CA338253A - Automobile heater and deflector : en fr
  • CH166303A - Control device with motor drive. : de en
  • FR757391A - Device for carburizing using heavy oils for fueling combustion engines : en fr
  • FR757693A - Liquid pourer at determined level : en fr
  • US1940756A - Bearing : en
  • US1940820A - Means and method of displaying rugs : en
  • US1941395A - Jack attachment : en
  • FR757694A - Toggle double-sided cufflink : en fr
  • DE590153C - Security device against theft of motor vehicles : de en
  • DE590378C - Hydrocarbon gas system : de en
  • PL19338B1 - A method of obtaining protein-rich foods. : en pl
  • SU33481A1 - Trough for gold and other metals : en ru
  • DE586534C - Process for the production of a rigid filling compound for storage purposes : de en
  • FR757351A - Improvements to the mcyen remote control and signaling system of high-frequency currents, superimposed on the electrical energy distribution networks : en fr
  • SU33611A1 - Dielectric capacitor with a large dielectric constant : en ru
  • PL19348B1 - A device for setting the counter in electric measuring instruments, especially counters. : en pl
  • SU33743A1 - Potato harvesting machine : en ru
  • US1940921A - Expansible fluid meter : en
  • GB403464A - Improvements relating to the control of direct current electric motors : en
  • FR757357A - Artificial resin cage for bearings, especially for ball bearings : en fr
  • FR757556A - Improvements to permanent sanitization processes, sanitizing compositions and products obtained by this process : en fr
  • FR757666A - Method and device for spraying liquids : en fr
  • FR757559A - Device for adjusting the level in liquid containers : en fr
  • DE590346C - Mouldable, diastatic malt extract and swelling starch containing baking aid : de en
  • US1941269A - Rotary sprinkler : en
  • US1940658A - Collar can and method of making same : en
  • US1940830A - Form for making aircraft fuselages : en
  • US1940943A - Sliding and folding partition caster : en
  • DE590262C - Machine for the production of element sleeves from roll material : de en
  • SU33490A1 - Downhole Drilling Machine : en ru
  • US1940961A - Airplane : en
  • FR757631A - Improvements made to electric discharge tubes : en fr
  • DE590295C - Method of converting quartz : de en
  • SU33668A1 - Wood ring grinding machine : en ru
  • US1940671A - Therapeutic appliance : en
  • US1940824A - Rubber composition and method of preserving rubber : en
  • US1941357A - Fluid control system : en
  • US1941049A - Friction closed container : en
  • SU33784A1 - Switching valve with ball valve for air distribution valve in the brakes Kazantseva and others. : en ru
  • FR757531A - Printing telegraph, particularly applicable to ultrafast telegraphy : en fr
  • FR757560A - Installation and apparatus for electric generators : en fr
  • CH166131A - Method and device for the draft-free distribution of an air or gas flow in a room. : de en
  • GB403667A - Cellulose ester or ether compositions : en
  • GB403541A - Improvements in luminous tube signs : en
  • PL19428B1 - The method of producing asbestos-rubber masses and products from these masses. : en pl
  • US1940724A - Parking device : en
  • PL19344B1 - A method for the purification of fermentative carbonic acid and an apparatus for carrying out the method. : en pl
  • US1940692A - Electric : en
  • US1941379A - Mold for artificial stones : en
  • SU33734A1 - Lag : en ru
  • US1941146A - Vulcanization of rubber : en
  • DE590213C - Drawing iron and similar tools : de en
  • CA338097A - Cable support : en fr
  • FR757540A - Process for manufacturing sensitive paper for securities : en fr
  • GB403477A - A secret signal system : en
  • FR757390A - Steam plant : en fr
  • DE590183C - End shield, especially for electrical machines, which consists of a flux-iron ring and profile iron welded to the ring, bearing the bearing : de en
  • CH166392A - Rack-and-pinion device for adjusting brake shoe play. : en fr
  • CA338132A - Adhesive applicator : en fr
  • SU33480A1 - Mandrel for making curved casing wall of centrifugal fans : en ru
  • SU33545A1 - Log stamping numerator : en ru
  • FR757541A - Improvements to mechanical separation devices for dust in gases : en fr
  • GB403455A - Improvements in and relating to apparatus for supplying current impulses from mains alternating current : en
  • PL19409B1 - Method] of producing electrodes for welding. : en pl
  • GB403481A - Process for the destructive hydrogenation of distillable carbonaceous materials : en
  • DK48197C - Washing Machine for Cleaning Textile Material. : da en
  • US1941197A - Fuel feeding mechanism for mechanical stokers : en
  • US1941390A - Gas and liquid separator : en
  • GB403494A - Improvements in and relating to wringers : en
  • SU33713A1 - Okulararny nozzle for microcopy in incident light : en ru
  • SU33833A1 - The method of transmission to the distance measuring instrument : en ru
  • US1940874A - Automatic volume control : en
  • US1940939A - Metal working : en
  • SU33538A1 - Boiler Cap : en ru
  • SU33709A1 - Device for weighing grain residues in automatic scales : en ru
  • US1940716A - Shock absorbing switch handle : en
  • CH166352A - Apparatus for suturing tissue, mainly living tissue. : en fr
  • DE590186C - Frequency meter : de en
  • FR757645A - Chairs in elastic material : en fr
  • GB403476A - An apparatus for governing the speed of motor and the like vehicles : en
  • GB403534A - Improvements in or relating to machines for drilling holes in doors and inserting retaining pins in such holes and within the joining dowels : en
  • GB403558A - Improvements in machines for straightening metal and like bars : en
  • FR757519A - Improvements to movable knife type disconnectors with fixed contacts : en fr
  • IE13106L - Dispensing liquefied gases : en
  • AT135906B - Device for drying the drying felts on the paper machine. : de en
  • FR757685A - Means for supplying fuel to internal combustion engines : en fr
  • GB403666A - Improvements in and relating to valve mechanisms for internal combustion motors and compressors : en
  • CH166357A - Curlers and curlers. : de en
  • DE590269C - Device for motorized bicycles : de en
  • DE590268C - Door training, especially for motor vehicles : de en
  • CA338116A - Diesel engine : en fr
  • CA338178A - Hide and skin preparation : en fr
  • CH166220A - Process for the preparation of a copper-containing azo dye. : de en
  • US1940907A - Fish lure : en
  • FR757745A - Process for removing weak acids and ammonia from gases : en fr
  • GB403682A - Improvements in or relating to perambulators and like vehicles : en
  • FR757473A - Multiple element heating boiler : en fr
  • GB403692A - Improvements in beer or counter taps : en
  • SU33521A1 - Sliding bobbin : en ru
  • GB403519A - Means for measuring the growth or production of hair : en
  • US1941396A - Louver type grille for automobile radiators : en
  • US1941309A - Calculating machine : en
  • US1941443A - Gate valve assembly : en
  • CA338110A - Wear resisting quality determining method : en fr
  • AT135998B - Aluminum solder, consisting of aluminum, tin, zinc and silver. : de en
  • CA338230A - Railway car retarder : en fr
  • CH166212A - Process for the production of monobasic aluminum sulfite. : de en
  • CH166283A - Process for the continuous production of rubber hoses, device for carrying out the process and rubber hose produced according to the process. : de en
  • CH166302A - Push button control device. : de en
  • CH166398A - Trouser press. : de en
  • US1940701A - Air service hose rack : en
  • DE590202C - Three-way tipping device for the body of motor vehicles : de en
  • DE590229C - Device on hexagonal braiding machines : de en
  • GB403538A - Improvements in electric coupling terminals : en
  • FR757373A - Connection device for flush-mounted boxes : en fr
  • FR757532A - Improvements made to friction linings : en fr
  • FR757591A - Process intended to modify the radioactive balance of mineral waters : en fr
  • FR757528A - Fire alarm device : en fr
  • GB403444A - Improvements in or relating to electrical musical instruments : en
  • GB403655A - Improvements in or relating to spectacle frames : en
  • DK48207C - Automatic Coupling, especially for Railway Cars. : da en
  • GB403508A - Improvements in or relating to telephone systems : en
  • GB403530A - Appliances for playing a board game : en
  • GB403674A - Improvements in or relating to two-way telephone systems : en
  • GB403484A - Improvements in apparatus for the teaching of mechanics : en
  • CH166248A - Stringed instrument. : en fr
  • CH166255A - Football game. : en fr
  • CH166257A - Automatic firearm. : de en
  • CA338179A - Variable transmission control : en fr
  • CA338223A - Metal working apparatus : en fr
  • GB403479A - A combined kettle and pan : en
  • GB404003A - An improved method of providing a protective covering on nonmetallic articles : en
  • DE582938C - Alloys that are hot-workable : de en
  • FR757428A - Operating mechanism intended to be maneuvered using the knee, for electric sewing machines : en fr
  • FR757725A - New sulfuric derivatives soluble in water : en fr
  • GB403653A - Improvements in casement or like fasteners : en
  • SU33515A1 - Automatic clamping for drawing machines : en ru
  • GB403491A - Improvements in or relating to apparatus for conditioning air for ventilation and other purposes : en
  • FR757360A - Safety device for steam generators, refrigerants and similar installations : en fr
  • DK48185C - Armor for Doors or Walls for Safes, Boxes and the like. : da en
  • FR757452A - Improvements in the application of hydrogen to gas engines : en fr
  • FR757395A - Lung exerciser : en fr
  • SU33739A1 - Digging Soil Disintegrator : en ru
  • DE590307C - Rotary drum filter : de en
  • CH166390A - Triple valve for pressurized fluid brake. : en fr
  • US1940863A - Electrical apparatus : en
  • SU33593A1 - Electrical cable : en ru
  • FR757658A - Cathode ray tube and mounting device for tubes of the same kind, in particular for television : en fr
  • GB403474A - Improvements in baling presses : en
  • DK48204C - Device for high-speed DC compound generators. : da en
  • US1941282A - Ceiling hanger : en
  • PL19371B1 - Fan driven air turbine. : en pl
  • SU33654A1 - Press for making lenses for microscopes and other optical lenses : en ru
  • FR757620A - Improvements in electric discharge tubes : en fr
  • GB403485A - Improvements relating to cast metal road surfaces : en
  • CA338175A - Photographic emulsion : en fr
  • CA338210A - Halogenation process : en fr
  • SU33693A1 - Device for lining points by coordinates : en ru
  • SU33583A1 - Device for radiotelephone transmission : en ru
  • SU33831A1 - Device for automatic signaling on a specific schedule : en ru
  • US1940704A - Electric cable clamping plate : en
  • DE590136C - Floor polisher : de en
  • FR757472A - Improvements to vineyard plows : en fr
  • CA338136A - Variable speed power transmission : en fr
  • DE590312C - Process for the preparation of compounds of chloral and its homologues with quinine : de en
  • SU33702A1 - Instrument for determining the average water flow velocity in water bodies : en ru
  • US1940723A - Amplifier energizing : en
  • SU33566A1 - Wand key when blocking for sending workers to drive trains with closed output semaphore and pushers with open output semaphore : en ru
  • US1940785A - Method of welding tanks : en
  • US1941219A - Apparatus for directing oval cigarettes : en
  • US1941421A - Rectifying means : en
  • US1940971A - Door hanger lock and release : en
  • GB403696A - Improvements in or relating to loading coil cases : en
  • AT135939B - Remote control system for remote control and remote monitoring. : de en
  • CH166239A - Clamping device for loose sheets of paper, forms etc. intended for copying : de en
  • GB403553A - Improvements in elastic wheels for railway vehicles : en
  • GB403694A - Improvements in or relating to cable and the like telegraph systems : en
  • GB403982A - Improvements in the manufacture of benzyl cellulose : en
  • SU33846A1 - The method of preparation of cement clinker lining bricks for rotary kilns : en ru
  • FR757680A - Process for the preparation of compositions and articles containing rubber or the like : en fr
  • GB403707A - Improvements in kilns for use in the manufacture of lime : en
  • SU33533A1 - A device for the preparation of mixtures of two liquids : en ru
  • SU33795A1 - Klupp : en ru
  • US1941058A - Spirit varnish : en
  • SU33786A1 - Pressure reducing valve : en ru
  • GB403546A - Improvements relating to polyphase alternating current motors : en
  • DE590351C - Process for the production of bare electrodes for electric arc welding : de en
  • GB403940A - Improvements in or relating to radio telephone systems : en
  • CH166191A - Shoe insert. : de en
  • BE399607A - : en
  • DE590276C - Loom with fixedly mounted shuttle boxes and movable drawer : de en
  • AT135914B - Closure for bags, in particular women's handbags. : de en
  • AT135969B - Shaving device. : de en
  • DK48210C - Device for electric watches. : da en
  • GB403441A - Improvements in dials or adjustment devices for tuning wireless receiving apparatus : en
  • CH166113A - Frame for storing hay and emd in heaps and for placing grain outdoors. : de en
  • FR757722A - Improvements to feed systems for carburetors : en fr
  • GB403452A - Improvements appertaining to let-off mechanism for looms : en
  • AT136100B - Device for opening and breaking box sleeves. : de en
  • FR757368A - Device for detaching, mixing and moistening tobacco leaves : en fr
  • GB403717A - Tire grooving machines : en
  • BE399138A - : en
  • SU33863A1 - Transmission from wind turbine to generator : en ru
  • CA338095A - Equipoising mechanism : en fr
  • SU33630A1 - Device for protecting metal heat exchangers from extreme heat : en ru
  • PL19410B1 - Two-way automatic telephone line. : en pl
  • PL19423B1 - -Kk-49 h, 31/01, Brazing agent for aluminum or its alloys. : en pl
  • CA338141A - Railway car truck : en fr
  • DE590392C - Manufacture of seamless containers for high-tension or liquefied gases : de en
  • PL19366B1 - Device for setting sheets in folders. : en pl
  • US1941152A - Can machinery : en
  • CH166218A - Process for the preparation of a solid, durable diazo preparation. : de en
  • PL19372B1 - Lasers for making cutouts of fatty dough, marzipan or similar materials. : en pl
  • US1941090A - Radio tuning system : en
  • AT135921B - Device to facilitate the starting of internal combustion engines. : de en
  • CA338199A - Hormone production : en fr
  • SU33664A1 - Assembly tool set outside the saw-frame : en ru
  • CA338216A - Ring binder : en fr
  • SU33807A1 - Device for continuous demonstration of films : en ru
  • SU33861A1 - Helicoidal water per turbine : en ru
  • US1941195A - Can closing machine : en
  • CH166196A - Side lacing shoe. : de en
  • CA338212A - Synthetic gum lacquer : en fr
  • CH166109A - Seat equipment on agricultural machines. : de en
  • CH166288A - Process and device for the production of coatings which contain stand oils. : de en
  • SU33706A1 - Device for measuring tree trunks : en ru
  • US1940801A - Carburetor : en
  • SU33875A1 - Device for secret telephone communication : en ru
  • US1941006A - Stopping and brake-applying mechanism for narrow ware looms : en
  • US1941231A - Alloy of beryllium and aluminum : en
  • FR757442A - Rubber vulcanization process : en fr
  • PL19394B1 - A method of producing an aqueous printing ink. : en pl
  • SU33619A1 - Sulfur recovery method : en ru
  • SU33689A1 - Instrument for checking the concentricity of the outer and inner surfaces of hollow cylindrical articles : en ru
  • SU33592A1 - Self-induction coil : en ru
  • US1940996A - Drill : en
  • US1941342A - Ignition apparatus : en
  • CH166140A - Locking device for doors. : de en
  • CH166301A - Control mechanism for the continuous delivery of equal amounts of liquid, steam or gas. : de en
  • US1940900A - Brief case : en
  • DE590214C - Arrangement for receiving ultra-short electrical waves : de en
  • AT136035B - Garden plow. : de en
  • US1940972A - Blast nozzle : en
  • CH166327A - Large electrical machine that can be dismantled for rail transport. : de en
  • CH166336A - Distance protection device for three-phase current. : de en
  • US1941274A - Electric switch : en
  • US1941389A - Winding device for use in permanent waving : en
  • CH166249A - Ski binding. : de en
  • US1941218A - Tea bag or the like and method of and means for securing it : en
  • US1941374A - Attachment plug : en
  • US1941383A - Operating mechanism for curtains, shades, or the like : en
  • CH166304A - Device for the automatic opening and closing of the cabin and shaft doors of passenger elevators with a guide. : de en
  • CH166198A - Device for peeling and polishing all kinds of grains. : de en
  • AT136072B - Pneumatic tire jacket with nail protection. : de en
  • FR757735A - Coloring pastes for carbon papers, typewriter ribbons and for mimeographs : en fr
  • GB403506A - Improved arrangement of fuel fired and waste heat steam boilers : en
  • CH166409A - Gas burner. : en fr
  • SU33752A1 - Manual cotton stripper with open bolls : en ru
  • PL19373B1 - Artillery equipment suitable especially for shooting at aircraft. : en pl
  • CA338165A - Food product : en fr
  • CH166311A - Two-stroke injection internal combustion engine. : de en
  • FR757713A - Combined vibrating device and servo motor relay : en fr
  • CH166144A - Device for automatic adjustment of at least one heavy oil burner for heating boilers. : en fr
  • CH166241A - Photographic lens shutter. : de en
  • CH166389A - Steering rack rail car for fast operation. : de en
  • DE590189C - Device for electrical spot welding : de en
  • GB403672A - Improvements in the manufacture of leather dyes : en
  • AT136091B - Decorative and protective capsule for bottles. : de en
  • BE399929A - : en
  • SU33554A1 - Method of reinforcing metal bridges : en ru
  • SU33639A1 - Gloves for lubricating nipples : en ru
  • SU33812A1 - Sensitometer : en ru
  • US1940929A - Electric motor controlling system : en
  • FR757536A - Method and devices for the manufacture of hollow glass objects : en fr
  • CH166225A - Process for the preparation of a dye of the anthraquinone series. : de en
  • CH166326A - AC electric motor. : en fr
  • SU33758A1 - Manual cotton banding device : en ru
  • DE589785C - Gas generator with cooling jacket : de en
  • GB403662A - Improvements relating to traffic controlling apparatus for railways and the like : en
  • CH166344A - Electron tube. : de en
  • US1941156A - Snap fastener member : en
  • US1941320A - Bath mitt : en
  • CA338180A - Iron and steel coating method : en fr
  • PL19407B1 - A spirit cooker with automatic igniter. : en pl
  • SU33599A1 - Electric machine with forced ventilation : en ru
  • CA338143A - Solid dispersing method : en fr
  • CH166139A - Pipe connection. : de en
  • US1940761A - Fastening-pulling machine : en
  • PL19337B1 - Coke extinguishing tower. : en pl
  • US1941022A - Method of assembling clutch parts : en
  • SU33577A1 - Phonical switch : en ru
  • SU33796A1 - Bolt head : en ru
  • US1941145A - Cooking utensil : en
  • SU33498A1 - Separator for degassing mud : en ru
  • CH166190A - Exchangeable tread on shoe heels. : de en
  • US1941261A - Milk product and the manufacture thereof : en
  • GB403643A - A templet for facilitating the drawing of geometrical patterns : en
  • GB403967A - Improvements relating to the filling of motor spirit and other containers : en
  • SU33476A1 - Screw clamp valve for flexible pipes or hoses : en ru
  • US1940728A - Shoe cleaning and polishing glove : en
  • US1941217A - Broaching tool : en
  • US1941132A - Lubricating device : en
  • CA338154A - Heating apparatus : en fr
  • CA338168A - Twisting machine : en fr
  • CH166194A - Shoe. : de en
  • PL19387B1 - Device preventing corrosion of iron mercury rectifier tanks cooled with water. : en pl
  • SU33514A1 - Liner for rolling mill bearings : en ru
  • SU33804A1 - Paper reel for thread : en ru
  • SU33832A1 - Time delayed switch for signaling devices : en ru
  • SU33527A1 - Peat cutting machine : en ru
  • DE589967C - Process for the production of rhodan salts : de en
  • DE590192C - Rod-shaped auxiliary device for attaching and drawing together catgut threads prepared according to patent 566173 : de en
  • DE590279C - Method for moistening printing paper : de en
  • SU33549A1 - Muffle furnace with suction of air from the muffle : en ru
  • DE590178C - Spring tongue switch for grooved rails : de en
  • US1941232A - Telephone system : en
  • SU33553A1 - Profile forming machine for dirt roads and the like : en ru
  • SU33740A1 - Propashnik with swinging bodies : en ru
  • US1940789A - Lock : en
  • USD91246S - Design for a bottle : en
  • US1940957A - Pump unit : en
  • DE590239C - Process for the preparation of quaternary nodes of heterocyclic nitrogen compounds : de en
  • FR757379A - Improvements in the purification of hydrocarbons : en fr
  • AT135937B - Automatic timer with push button contacts. : de en
  • CH166341A - Method for periodically controlling the ignition of a tube filled with ionized gas. : de en
  • DE590138C - Filters, especially for fuels for internal combustion engines : de en
  • DE590252C - Measuring arrangement for alternating current with a measuring circuit containing a direct current measuring device and two separately excited synchronous switches : de en
  • CA338138A - Marine stoker : en fr
  • GB403693A - Improvements in or relating to apparatus for waving hair : en
  • AT135912B - Basic material for tapestry work. : de en
  • CH166347A - Collection and cleaning containers for the sealing liquid of waterless gas containers. : de en
  • US1940846A - Rock drill blowing device : en
  • FR757747A - : fr
  • FR757593A - Process for sealing fluid conduits operating by direct or indirect gravity and apparatuses carrying out said process : en fr
  • FR757661A - Detachable rim for vehicles : en fr
  • US1941257A - Method of making uniform corrosion anodes : en
  • SU33543A1 - Machine for printing numbers and tick marks on oval steel tapes : en ru
  • FR757371A - Improvements made to the presentation of processed cheeses or other : en fr
  • SU33747A1 - Cabbage harvester : en ru
  • SU33761A1 - Tree Juice Collector : en ru
  • US1940883A - Turret punch : en
  • US1941233A - Megaphone : en
  • AT136064B - Device for achieving the same rotational speeds of the dog clutch parts to be engaged in gear change transmissions with combined friction and dog clutches. : de en
  • CA338233A - Disc wheel : en fr
  • DE590280C - Device for keeping voltage constant by means of gas discharge paths : de en
  • DE590259C - Aerodynamic curve and inclined position indicator for aircraft : de en
  • FR757570A - Call device for watertight stations : en fr
  • FR757739A - Game : en fr
  • GB403568A - Improvements in or relating to wearing apparel : en
  • SU33822A1 - Device for sharpening round knives on the machine : en ru
  • DE590190C - Process for the production of metal-containing azo dyes : de en
  • FR757497A - Piston improvements : en fr
  • FR757675A - Metal case for mineral water bottles or other similar applications : en fr
  • SU33788A1 - Method and device for temperature measurement during metal cutting : en ru
  • US1940963A - Condenser : en
  • US1941387A - Anode for fused bath electrolysis : en
  • AT135989B - Process for the production of ammonia by the contact process. : de en
  • FR757409A - indirect heat exchanger functioning as a centrifugal dust collector : en fr
  • FR757420A - Reflective system for short electric waves : en fr
  • FR757492A - Improvements to automatic clutch and disengage drives : en fr
  • FR757597A - Internal combustion engine with front chamber : en fr
  • GB403560A - Improvements in or relating to the anodic coating of aluminium : en
  • FR757695A - Radio alarm device : en fr
  • US1940948A - Heat treating system : en
  • US1940912A - Treatment of ores : en
  • US1941290A - Dump scow : en
  • US1941373A - Support : en
  • AT136092B - Friction joint. : de en
  • FR757692A - Mechanical device for heaving-hiding and hoeing the vines adaptable to all tractor plows : en fr
  • FR757386A - Fuels in the form of pastes, jellies or the like and process for their preparation : en fr
  • FR757741A - : fr
  • FR757545A - Board game : en fr
  • US1940940A - Motor driven pumping apparatus : en
  • FR757554A - Safety razor : en fr
  • GB403583A - Improvements relating to axle boxes : en
  • US1940804A - Radiator : en
  • FR757598A - Induction electricity meter and the like : en fr
  • CH166213A - Process for the preparation of a mixed anhydride between boric acid and an organic acid. : de en
  • FR757659A - Turbo-diffuser intended to improve the supply of combustion engines : en fr
  • US1941254A - Automatic telephone system : en
  • CH166235A - Folder for households, craftsmen and tradespeople. : de en
  • FR757703A - Advanced bottle brush for cleaning bottles : en fr
  • FR757632A - Device intended for the ventilation of a room to be protected against gas : en fr
  • GB403504A - Household brush : en
  • GB403598A - Improvements in or relating to injection pumps for internal combustion engines : en
  • GB403616A - Improvements in and relating to the manufacture of high tension electric cables : en
  • PL19336B1 - Method for the decomposition hydrogenation of carbon-containing materials. : en pl
  • SU33811A1 - Sensitometer : en ru
  • SU33586A1 - Supergenerative Radio : en ru
  • US1940925A - Oil brake : en
  • CA338174A - Photographic emulsion : en fr
  • CA338239A - Magnetic material : en fr
  • AT136023B - Coated soap. : de en
  • GB403661A - Improvements in and relating to sight-testing apparatus : en
  • US1940833A - Oscillation generator : en
  • US1940758A - Process for burning phosphorus : en
  • US1940766A - Measuring machine : en
  • SU33660A1 - Ceramic radiator : en ru
  • SU33799A1 - Press attachment to hold the workpiece during punching : en ru
  • FR757367A - Letter envelope : en fr
  • FR757397A - Device making it possible to maintain horizontally all equipment on wheels intended to operate on hillsides, whatever the slope of the ground, with horizontal articulation of the stretchers : en fr
  • FR757527A - Register selector-distributor-binder magazine or similar parts : en fr
  • GB403965A - Improvements in or relating to a method of and an apparatus for forming pipe blanks, and the pipe blank produced thereby : en
  • FR757511A - Improvements to windows and the like : en fr
  • US1940714A - Preparation for storage batteries and process of making the same : en
  • SU33615A1 - Band filter : en ru
  • US1940844A - Relay mounting : en
  • CA338254A - Automobile heater and deflector : en fr
  • FR757480A - : fr
  • SU33513A1 - Method for thawing frozen wines by electric current : en ru
  • SU33759A1 - The method of sieving using mulch : en ru
  • CH166280A - Sheet metal cutter. : de en
  • FR757474A - Method and servo-retarder device for a freewheeling motor vehicle, and related device for controlling the speed of such a vehicle : en fr
  • DE590308C - Tubular electrode suspension with internal cooling for hot electrostatic precipitators : de en
  • GB403939A - An improvement in or relating to the flat pressing of textile fabrics : en
  • GB403571A - Improvements in carrier current signalling systems : en
  • SU33710A1 - Method and device for measuring the speed of sound propagation in solids : en ru
  • US1941112A - Fire extinguisher hanger : en
  • US1940731A - Electric sadiron : en
  • FR757412A - Device for preparing cocktails or other drinks of varying compositions : en fr
  • FR757565A - Improvements in measuring the resistance of earth electrodes : en fr
  • DE590301C - Pit lamp holder : de en
  • GB404002A - Improvements relating to meters : en
  • GB403677A - Improvements in telegraphic and similar repeating systems employing vacuum tube amplifiers : en
  • PL19425B1 - Device for fixing the engine to the bicycle frame. : en pl
  • SU33769A1 - Device for pulling lin under the ice : en ru
  • SU33701A1 - Machine for measuring skin area : en ru
  • DE590364C - Device for separating specifically heavier components from gases and vapors : de en
  • DE590154C - Rotary mixer for tobacco leaves : de en
  • US1941047A - Container for spools : en
  • US1941085A - Telephone system : en
  • FR757388A - Improved method and apparatus for studying mobiles : en fr
  • FR757605A - aircraft balancer-lift : en fr
  • GB403716A - Improvements in and relating to a.c. induction electricity meters : en
  • GB403617A - Improvements in or relating to high powered burners : en
  • DE590292C - Device for duplicating punch cards : de en
  • DE590006C - Airplane with a wing rotor : de en
  • FR757689A - Particular loading device for solid, pasty or semi-liquid materials in a mobile reservoir box : en fr
  • SU33685A1 - The device for drawing arcs of a circle : en ru
  • US1941240A - Lifting apparatus : en
  • DE590101C - Vegetable slicer for smooth, strip and colored cuts : de en
  • CH166395A - Electrical equipment in railway systems to secure railway operations, in particular to prevent train collisions. : de en
  • AT136061B - Rotating compression chiller. : de en
  • CH166178A - Textile fabric. : de en
  • CH166242A - Photographic lens shutter. : de en
  • CH166240A - Photographic camera for shots and projections. : en fr
  • CH166329A - Process for producing telephone cables free of secondary coupling, device for carrying out this process and telephone cable produced according to this process. : de en
  • SU33477A1 - Method of making cliches for glass printing : en ru
  • US1940737A - Method of casting stereotype plates : en
  • FR757671A - Device and method for measuring mechanical forces or moments : en fr
  • PL19376B1 - The way of moving a heavier body, immersed in another body, is lighter, and the device used to carry out this method. : en pl
  • US1940937A - Sound recording and reproducing system : en
  • SU33825A1 - Door lock : en ru
  • US1941055A - Insecticide : en
  • PL19311B3 - Device for arc extinguishing in electric switches with contacts immersed in liquid. : en pl
  • SU33772A1 - Device for ignition in internal combustion engines : en ru
  • AT136085B - Tin can with expanding lid. : de en
  • CA338099A - Stapling machine : en fr
  • SU33842A1 - Method of making hockey ball : en ru
  • CH166233A - Line-up device for letter files. : de en
  • SU33530A1 - Salt storage : en ru
  • US1940828A - Feed water regulator : en
  • US1940966A - Pencil sharpener : en
  • SU33841A1 - Adaptation to winding machines to break the second thread when one of the spliced threads breaks : en ru
  • US1941013A - Tractor plow : en
  • SU33627A1 - The method of separation of the mixture of acids obtained by the oxidation of petroleum hydrocarbons : en ru
  • SU33663A1 - The method of changing saws in the sawmill frame a whole set : en ru
  • CA338242A - Sound translating device : en fr
  • US1941263A - Articulated bedspring : en
  • AT136058B - Rail joint connection by angle brackets connected to the rail base. : de en
  • AT136024B - Process for the production of photographic reproductions in natural colors for viewing in reflected light. : de en
  • AT136013B - Process for preventing and reducing the decomposition of carbonaceous gases in contact with refractory bricks containing iron oxide at higher temperatures. : de en
  • DE590185C - Damper winding for electrical machines, especially single armature converters : de en
  • SU33723A1 - Bathometer : en ru
  • US1941169A - Making synthetic oil : en
  • US1941196A - Blasting cartridge and apparatus for charging the same : en
  • US1941355A - Bag holder and sewer : en
  • SU33808A1 - Movie projector : en ru
  • DE590188C - Electric iron with an automatic signaling device arranged directly on the iron : de en
  • FR757422A - Improvements in breast-piercing projectiles : en fr
  • AT135929B - Process for controlling hydraulic clutches and clutches suitable for carrying out the process. : de en
  • GB403535A - Improvements in or relating to devices for drawing curtains, blinds and the like : en
  • US1940981A - Canopy support : en
  • FR757419A - Hard metal alloy : en fr
  • FR757475A - Drawing pencil or mechanical pencil for thin and flat leads : en fr
  • SU33824A1 - Hollow Glass Faceting Machine : en ru
  • AT136034B - Board game. : de en
  • AT136052B - Endless chain for vehicles. : de en
  • AT135987B - Method and device for the production of grid electrodes. : de en
  • SU33871A1 - Device for transmitting still images : en ru
  • US1941180A - Tufting button : en
  • AT135924B - Piston machine with crosshead moving back and forth along a guide. : de en
  • AT136015B - Process for cleaning painted, varnished or waxed objects. : de en
  • FR757568A - Improvements to automatic longitudinal stabilization devices for aircraft : en fr
  • FR757403A - Improvements in processes for drawing sheet glass : en fr
  • FR757595A - Rotary combustion engine : en fr
  • GB403579A - Improvements relating to the treads of road wheel tyres : en
  • PL19415B1 - A method of producing sealing plates with an insert, made of a metal mesh. : en pl
  • GB403978A - Process for the production of iron or/and steel : en
  • US1940884A - Universal joint : en
  • US1941276A - Manufacture of ether derivatives of carbohydrates like cellulose : en
  • US1940702A - Air service hose rack : en
  • US1940802A - Control device for fractionators and the like : en
  • US1941089A - Safety device : en
  • US1941177A - Combined slider and locking means : en
  • GB403496A - Improvements in bill and letter files : en
  • CH166270A - Winding and time-setting mechanism for watch movements. : en fr
  • CH166414A - Process for the preparation of an N-alkylated derivative of barbituric acid. : de en
  • GB403547A - Improvements in automatic draw-benches : en
  • GB403588A - Detachable closure for bottles and other vessels : en
  • GB403664A - An improved process for making light-sensitive layers : en
  • US1940993A - Thickener : en
  • US1941411A - Regenerative glass melting furnace and burner control mechanism therefor : en
  • DK48192C - Stove. : da en
  • FR757421A - Sponge rubber mat and its manufacturing process : en fr
  • US1940673A - Conversion of hydrocarbon oils : en
  • US1940979A - Mechanism for locking vehicles : en
  • GB403586A - Improvements in or relating to rail guided vehicles : en
  • US1940815A - Rubber composition and method of preserving rubber : en
  • US1941134A - Lubricating device : en
  • GB403976A - Improvements in conveying devices : en
  • GB403446A - Improvements in or relating to power plant for ship propulsion : en
  • GB404000A - Improvements in or relating to incubators : en
  • SU33774A1 - Safety device for internal combustion engines : en ru
  • GB403457A - Improvements relating to brake operating mechanism : en
  • SU33539A1 - Gas nozzle : en ru
  • US1940914A - Compensating suspensions for multiwheel vehicles : en
  • US1941302A - Water cooled vacuum tube : en
  • FR757734A - Improvements to mine explosive devices : en fr
  • GB403590A - Improvements in and relating to the production of soap : en
  • US1940845A - Brake : en
  • US1941126A - Medicine cabinet : en
  • US1941343A - Apparatus for making brushes : en
  • FR757453A - Manufacturing process for new indophenols : en fr
  • SU33737A1 - Ripper-ripper : en ru
  • US1940834A - Controller : en
  • US1941258A - Interlocking hanger : en
  • FR757716A - Improvements made to dredge buckets : en fr
  • US1940755A - Iron handle : en
  • US1941163A - Automatic gas valve : en
  • US1941273A - Vacuum switch : en
  • US1940947A - Clutch mechanism : en
  • GB403640A - Improved means for eliminating smoke and/or improving combustion in boilers of the locomotive type : en
  • AT135992B - Apparatus for the optional recovery of either absolute alcohol or high grade rectified alcohol. : de en
  • FR757707A - Gyroscopic toy : en fr
  • FR757401A - Reproducing machine, with variable scales, in particular for the manufacture of shoes : en fr
  • GB403503A - Improvements in arm chairs transformable into medical tables : en
  • GB403554A - Improvements relating to the production of cellulose acetate : en
  • GB403695A - An improved universal burner cutting and welding machine : en
  • GB403992A - Improvements in remote control electro-magnetic switches : en
  • US1940973A - Steam generating boiler : en
  • DE590117C - Incombustible charcoal lighter : de en
  • FR757517A - Improved container and cover for said container : en fr
  • SU33482A1 - Centrifugal gold platinum washing machine : en ru
  • SU33661A1 - Wood beam : en ru
  • SU33719A1 - Instrument for determining the porosity of bodies and the size of pores in them : en ru
  • US1940818A - Rubber composition and method of preserving rubber : en
  • DE590345C - Method of stacking lignite briquettes : de en
  • CA338177A - Carbonaceous material conversion : en fr
  • US1940792A - Pressure metering device : en
  • PL19432B1 - A method of producing masses for extruding shapes from them. : en pl
  • US1941037A - Ventilating fan : en
  • US1941409A - Tufting button : en
  • US1940682A - Tubing separator : en
  • US1940857A - Secondary vacuum system : en
  • US1941106A - Material handling machine : en
  • SU33591A1 - Method of distributing high frequency energy : en ru
  • US1941352A - Process of making a pectous composition : en
  • CH166167A - Toothbrush. : de en
  • CH166404A - Electric musical instrument capable of emitting the sounds of the organ. : en fr
  • SU33520A1 - Device for reducing the tension of the fabric during the unleashing of knots on the shaft of machines : en ru
  • US1941364A - Apparatus for removing the lead covering of electrical cable : en
  • US1941438A - Process for metallizing with reflecting highly polished surface celluloid in sheets and any other form by chemical means : en
  • AT136022B - Handle for soap and bar of soap for this. : de en
  • US1941078A - Method of corrugating sheets and means therefor : en
  • GB403500A - Improvements in or relating to wheels for vehicles : en
  • AT136090B - Method and device for removing dust and chips from an air stream. : de en
  • CA338195A - Sanctuary candle lamp : en fr
  • CA338207A - Olefine segregation : en fr
  • CH166175A - Method for producing cross-wound bobbins. : de en
  • CH166393A - Device for influencing safety devices in railway systems. : de en
  • GB403533A - Improvements in or relating to reels for automatically manufacturing tied up or crossed hanks : en
  • PL19315B3 - The method of tanning hides. : en pl
  • CH166128A - Device for collecting snow. : en fr
  • CH166136A - Process for the production of a weatherproof and volume-resistant, acid-free cement-concrete mass with wood flour as filling material. : de en
  • DE577485C - Method and device for the permanent, constant display and measurement of gases, in particular the composition of combustion exhaust gases : de en
  • US1940954A - Suction cleaner : en
  • SU33641A1 - Device for making maxillary splints : en ru
  • US1941245A - Fishing reel : en
  • US1940945A - Reactive stoker : en
  • US1941189A - Container head or end wall construction : en
  • SU33631A1 - Dust Fuel Nozzle : en ru
  • US1941210A - Electric switch : en
  • US1940969A - Wall panel : en
  • CH166141A - Mortise lock for rebated doors. : de en
  • AT135952B - Circuit arrangement for telegraph switching systems with mutual final signaling. : de en
  • US1941327A - Drinking cup : en
  • SU33823A1 - Pipe end grinding machine : en ru
  • SU33748A1 - Cabbage harvester : en ru
  • US1940800A - Drilling apparatus : en
  • US1940951A - Necktie rack : en
  • US1940680A - Refrigerating apparatus : en
  • US1941064A - Fish tongs : en
  • US1941121A - Ribbon cable : en
  • PL19356B1 - Cover for piles or stacks. : en pl
  • SU33837A1 - Lacquer fixing device : en ru
  • AT135999B - Method for unwinding artificial silk spider cake. : de en
  • AT136078B - Pantograph. : de en
  • BE399799A - : en
  • CH166397A - Wooden structure for making walls, floors and the like. : de en
  • CH166271A - Winding mechanism and pulling the time, direct effect. : en fr
  • CA338243A - Continuous film processing machine : en fr
  • CH166211A - Process for the extraction of basic aluminum sulphites from silicic acid-containing clay minerals. : de en
  • US1941305A - Wireless receiving circuit : en
  • PL19319B1 - Metal saving mortar. : en pl
  • SU33827A1 - Control lock : en ru
  • US1940837A - Stock food and process of making same : en
  • US1941238A - Cloth reel : en
  • US1941241A - Sheet feed rotary printing press : en
  • FR757506A - Hose with tight fitting, for gas or other pressurized fluids : en fr
  • CH166180A - Circular shuttle arrangement for multi-needle embroidery machines, with grippers that can be moved independently of the circular shuttle. : de en
  • GB403555A - Improvements in or relating to protuberate surfaced rollers, cylinders or the like for use in printing or textile or other manufacture : en
  • IE12885L - Solid carbon dioxide : en
  • DE589997C - Device for the preparation of blanks made of paper or cardboard for the production of hollow bodies : de en
  • FR757639A - Device for controlling coins in gaming machines : en fr
  • FR757387A - Advanced cutting device for mowers or similar machines : en fr
  • PL19368B1 - A device for driving low-pressure internal combustion engines with liquid high-boiling fuel. : en pl
  • USD91247S - Design fob a fruit jar : en
  • DE590254C - Electric flow heater, the switch of which consists of a contact arm mounted on the spindle of the stopcock and a contact lamella arranged on the cover of the heater : de en
  • AT135947B - Television reception arrangement. : de en
  • CH166291A - Drawn tin bronze tube for the manufacture of bearing shells and method of making the same. : de en
  • AT136006B - Process for the production of moisture-resistant films. : de en
  • SU33674A1 - Plastering machine : en ru
  • US1941400A - Wrecking car : en
  • DE589781C - Single-floor turbine : de en
  • DE590166C - Method and device for splitting hydrocarbon oils : de en
  • CH166319A - Absorption chiller. : de en
  • PL19398B1 - A method of smelting zinc from zinc dust, zinc powder and similar zinc-containing products. : en pl
  • US1940675A - Wheel mounting : en
  • US1940841A - Candelabra : en
  • PL19334B1 - The method of producing silica stones. : en pl
  • US1941194A - Condenser and like heat exchange apparatus : en
  • US1941382A - Webbing clamp : en
  • CH166369A - Advertising stand with signaling device. : de en
  • US1940786A - Cross drum boiler : en
  • US1940967A - Stoker : en
  • US1941368A - Nickel alloys : en
  • PL19384B1 - A method of granulating crystallizable salts. : en pl
  • US1940742A - Combination drain and pipe coupling : en
  • US1941088A - Egg opener : en
  • CH166154A - Pulling device for curtains, drapes and the like. : de en
  • DE590366C - Process for the preparation of nitrogen-containing derivatives of anthracene : de en
  • FR757393A - Re-priming cartridge with central percussion : en fr
  • CH166305A - Hand pump with tubular boot. : de en
  • PL19427B1 - Impact fuse. : en pl
  • CH166387A - Circulating conveying element in axle bearings to secure the lubricant conveyance at all rotating speeds of the steering knuckle. : de en
  • CA338092A - Tool handle : en fr
  • US1940822A - Hydraulic braking system : en
  • US1940823A - Hydraulic jack : en
  • US1941226A - Dispensing receptacle : en
  • US1940722A - Vending device : en
  • US1941079A - Lighting apparatus employing rectilinear light sources : en
  • US1941205A - Water valve : en
  • CA338087A - Air brake device : en fr
  • CH166266A - Regulator for pocket watches. : de en
  • SU33656A1 - Apparatus for drawing glass sheet from the free surface of the molten glass mass : en ru
  • US1940736A - Electric control system : en
  • US1940936A - Building covering : en
  • SU33687A1 - Stand for sliding gauge when measuring in needle needles : en ru
  • US1940741A - Apparatus for cooling liquids : en
  • US1940875A - Hand reading glass : en
  • US1941431A - Method of treating trees and the product thereof : en
  • GB403505A - Improvements in or relating to display devices : en
  • CH166185A - Electro-magnetic device for moving selvedge gripping members, applicable in particular to machines for rowing, widening, drying or guiding fabrics. : en fr
  • CH166254A - Ski binding with adjustable jaws. : de en
  • AT135901B - Device for sewing the free thread end of sewn rings, in particular twisted buttons. : de en
  • US1940720A - Water softener : en
  • US1941244A - Feed mixer : en
  • US1940688A - Cleaning fluid : en
  • US1941236A - Correspondence book : en
  • DE549851C - Wireless electric television : de en
  • SU33575A1 - Wiring device : en ru
  • US1940938A - Earth anchor : en
  • DK48194C - Device for pantograph current collection devices for electric railways and the like. : da en
  • AT136026B - Two-sided pig or similar dry feed stand. : de en
  • SU33509A1 - Tool for loading buckets : en ru
  • SU33474A1 - Device for feeding a rod on a steam locomotive : en ru
  • SU33800A1 - Adaptation to the press for assembling chain links Gall : en ru
  • US1941296A - Mechanism for knitting full fashioned hosiery : en
  • CH166245A - Fountain pen. : de en
  • CH166374A - Umbrella. : de en
  • AT135964B - Seating furniture made of resilient material. : de en
  • AT136062B - Device for automatic dimming or re-lighting of headlights or the like on vehicles that meet one another. : de en
  • CH166177A - Creel for warping in the parade. : en fr
  • AT135944B - Toggle or push button switches. : de en
  • SU33722A1 - Apparatus for determining the scatterability of cereals : en ru
  • SU33869A1 - The method of rolling ribbed profiles : en ru
  • US1940690A - Crane : en
  • US1940771A - Burial urn : en
  • US1941080A - Thermostat for electric ovens : en
  • US1940778A - Hair clip : en
  • SU33857A1 - Portable chlorite : en ru
  • CH166179A - Pricking apparatus for sewing machines. : de en
  • FR757455A - Ironing cylinder : en fr
  • SU33708A1 - Automatic scales for loose bodies : en ru
  • SU33870A1 - Fixture for continuous processing of liquids and fibrous materials in the form of skeins : en ru
  • US1940730A - Method of delustering fabric and product thereof : en
  • US1941249A - Combined inflating device and pressure gauge : en
  • FR757700A - Fastener for belt fasteners, or other similar applications : en fr
  • CH166355A - Process for obtaining female sex hormone. : de en
  • SU33642A1 - Method of making molds for mass castings : en ru
  • GB403979A - An improved means for securing an inner element, such as a spindle, within a hole in an outer element, such as an actuating knob for the same : en
  • FR757706A - Device for forming boxes on a table to receive any products : en fr
  • FR757584A - Animal Skin Wool Removal Machine : en fr
  • GB403578A - Improvements in or relating to washing coppers : en
  • US1941007A - Mining machine : en
  • FR757615A - Method and apparatus for improving the efficiency of solid, pulverized or liquid fuel stoves and for increasing the carbonic acid content of the exhaust gases by reducing the proportion of air : en fr
  • GB403969A - Improved method and apparatus for finishing moulded clay rings intended for use as supports for incandescent gas mantles : en
  • GB403450A - Improvements relating to the discharging of coal, coke and other solid substances from storage chambers and the like : en
  • FR757558A - Inflation connection : en fr
  • US1940817A - Rubber composition and method of preserving rubber : en
  • DE590169C - Process for the production of silver mirror coatings using the cold process : de en
  • DE590360C - Straightening and cutting machine for cold wire or the like. : de en
  • SU33736A1 - Pr : en ru
  • USD91238S - Design for an ophthalmic lens : en
  • FR757635A - Heating appliance : en fr
  • SU33535A1 - The method of producing tetrabromethane : en ru
  • SU33565A1 - Device for single-track route key blocking of arrows and signals : en ru
  • US1940812A - Means for discharging material from centrifugal baskets : en
  • USD91231S - Design for a knitted fabric : en
  • FR757374A - Construction of "metal tripod blocks" for school tables and drawing chairs : en fr
  • GB403592A - Improvements in and relating to hair pins : en
  • US1940687A - Electromagnet : en
  • FR757630A - Film case for cameras : en fr
  • SU33763A1 - Irrigation device for greenhouses, etc. : en ru
  • US1940696A - Locomotive boiler structure : en
  • US1941424A - Interference eliminator : en
  • SU33803A1 - Device for facilitating the precipitation of material from the conveyor bucket in vegetable roasting ovens : en ru
  • SU33829A1 - Shading unit : en ru
  • GB403489A - Improvements relating to electric discharge tubes : en
  • SU33741A1 - Sowing for square sowing : en ru
  • US1941253A - Relay testing apparatus : en
  • US1941403A - Method of making tile : en
  • SU33826A1 - Control lock : en ru
  • CH166157A - Seating furniture that can be converted into reclining furniture. : de en
  • US1940994A - Safety zone guard : en
  • US1941114A - Tube building method and apparatus : en
  • AT136093B - Metal capsule seal made of two halves flanged into each other. : de en
  • US1940827A - Feed water regulator : en
  • AT135928B - Stuffing box with L-shaped sealing sleeves, especially for hydraulic slip clutches. : de en
  • US1940917A - Multicore cable with cradle : en
  • FR757652A - High or low voltage high power direct current machine comprising two armature windings housed in the same grooves and provided with collectors : en fr
  • FR757740A - Device allowing the complete expulsion of pasty or viscous products in tubes, for mechanical lubrication, veterinary and other uses : en fr
  • CH166250A - Ankle holder. : de en
  • PL19352B1 - Air preheater for furnaces of room stoves, boilers and similar devices. : en pl
  • DE590323C - Pipe connection piece, especially for connecting vacuum cleaner lines : de en
  • US1940832A - Conveyer belt : en
  • US1941446A - Regenerative air preheating : en
  • FR757537A - Mechanical process for the recovery of carbon dioxide contained in exhaust gases and fumes, combustion, etc. : en fr
  • US1941332A - Antiglare device : en
  • DE590263C - Spool storage for roll film cameras : de en
  • US1940796A - Storm window : en
  • SU33495A1 - Elevator hinge clamp : en ru
  • CH166413A - Process for the preparation of an N-alkylated derivative of barbituric acid. : de en
  • DE579707C - Vibrating device for musical instruments : de en
  • FR757663A - Advanced red tube device : en fr
  • GB403487A - Improvements in starting rheostats for electric motors : en
  • FR757571A - Process for obtaining resinous soaps with a very high content of free resin : en fr
  • SU33850A1 - Device for holding in hands a thin slate plate when grinding its surface : en ru
  • US1940870A - Metal-to-glass seal : en
  • IE12016L - Neck tie : en
  • DE590253C - Mixed frequency device for achieving flicker-free lighting when connected to networks with a low fundamental frequency : de en
  • SU33612A1 - Mercury Rectifier Training Device : en ru
  • SU33616A1 - The method of processing electrodes : en ru
  • SU33618A1 - Electric resistance furnace for melting solid solders and immersion brazing : en ru
  • SU33494A1 - Casing unscrewing device from a specific point in a well bore : en ru
  • US1940959A - Advertising display device : en
  • AT136038B - Method and device for the automatic folding of the cover sheet around cigar wraps with frustoconical ends that are rotated around their longitudinal axis in a winding roller nest or the like. : de en
  • CH166337A - Filter circuit. : de en
  • FR757454A - Process for preparing a food product : en fr
  • FR757483A - Improvements to dispenser receptacles, in particular for powdery and liquid products : en fr
  • CA338186A - Elastic article : en fr
  • CH166112A - Agricultural rake with a device for cutting off litter, brushwood and heather. : de en
  • DE590277C - Cooker for boiling liquids : de en
  • DK48181C - Apparatus for use in inflating air rings or other bodies from a source of pressure medium. : da en
  • US1941116A - Communication system : en
  • US1941130A - Coal distillation and coke produc : en
  • US1941057A - Azo dyestuffs and fiber dyed therewith : en
  • US1941118A - Gut cleaning machine : en
  • US1940750A - Window balancing means : en
  • US1941069A - Radiosignaling : en
  • SU33794A1 - Machine for rolling circular and band saws : en ru
  • US1941344A - Dissector target : en
  • US1941422A - Vacuum producing and heating apparatus : en
  • CA338129A - Steam heating system : en fr
  • DE590245C - Arrangement for generating alternating currents with a given curve shape : de en
  • SU33567A1 - Device for locking routes of the center of the lysis apparatus : en ru
  • SU33787A1 - Speed Box for Metalworking Machines : en ru
  • SU33879A1 - Void electrical switch : en ru
  • SU33749A1 - Head cutting apparatus for beet harvesting machines : en ru
  • CH166192A - High shaft convertible into a low shoe. : de en
  • CH166253A - Device for fixing skis. : en fr
  • US1941295A - Locomotive : en
  • DE590194C - Device for the production of cork stones from crushed cork : de en
  • CA338089A - Elevator signalling mechanism : en fr
  • CH166346A - Closing flasks on containers, in particular waterless gas containers. : de en
  • AT135977B - Taring device for scales with load and weight pan. : de en
  • DE590344C - Device for conveying muddy material : de en
  • PL19381B1 - A toy for children. : en pl
  • SU33637A1 - Method and device for making functional records of chewing movements of jaws on plastic material : en ru
  • US1941190A - Tobacco supply means for cigarette machines : en
  • CH166401A - Process for the preparation of an acidic wool dye of the anthraquinone series. : de en
  • US1941129A - Tipped lace : en
  • SU33560A1 - Driver's tap for automatic air brakes with electric air control : en ru
  • US1941234A - Garment finishing table : en
  • SU33828A1 - Drawing device : en ru
  • US1941159A - Car truck : en
  • CH166111A - Cutting apparatus for mowers. : de en
  • CH166147A - Air heater for furnaces. : de en
  • FR757488A - Improvements in the manufacture of tassels, and equipment for the application of the said process : en fr
  • US1941193A - Method of making composition containers : en
  • FR757715A - Process for the floating of minerals : en fr
  • GB403449A - Tractors and like vehicles : en
  • GB403580A - Improvements in machines for binding bales or articles with wire : en
  • GB403557A - Improvements in or relating to pneumatic tyres and the suspension of vehicles thereby : en
  • GB403462A - Improvements relating to arrangements for mounting electric switches and the like inwall boxes and the like : en
  • GB403595A - Process and apparatus for producing water gas in chamber and retort ovens : en
  • CA338246A - Oil burner : en fr
  • GB403669A - Improvements in or relating to vehicle wind screens : en
  • CA338152A - Gaseous discharge device : en fr
  • CH166378A - Closure for tubes with deformable walls. : en fr
  • FR757612A - Further development of chain stitch sewing machines, in particular for shoe soles : en fr
  • SU33537A1 - Device to prevent the deposition of scale on the walls of boiling tubes of steam boilers : en ru
  • US1940726A - Treatment of hydrocarbon oils : en
  • AT135965B - Device for determining the gas density in a vessel, pipe or the like. : de en
  • GB403521A - Improvements in or relating to vehicle road lamps : en
  • AT135941B - Control valve for continuously acting, automatic air brakes. : de en
  • SU33873A1 - Radio transmitter : en ru
  • US1941437A - Composition of matter and method of making the same : en
  • CH166342A - Arrangement for converting direct current into alternating current. : de en
  • CA338144A - Brake mechanism : en fr
  • PL19433B1 - A method for producing colored cellulosic material. : en pl
  • SU33819A1 - Ball bearing bush for wheelbarrow axles : en ru
  • SU33596A1 - Device for differential protection of transmission lines and electrical anergy : en ru
  • AT136050B - Methods of building underground railways. : de en
  • AT136082B - Pneumatic wheel. : de en
  • CH166201A - Universal machine for food processing for butchers. : de en
  • CH166204A - Feed cooker. : de en
  • CH166252A - Ski binding. : de en
  • AT135950B - Energy transmission system from three-phase to three-phase current with intermediate generation of direct current with the help of controlled rectifiers. : de en
  • AT136060B - Concrete and iron dam and retaining wall. : de en
  • GB404272A - Improvements in or relating to apparatus for converting reciprocating into rotary motion or vice versa : en
  • BE399464A - : en
  • CH166119A - Skylight. : de en
  • CA338114A - Gas holder : en fr
  • CH166166A - Process for the production of bristle strips. : de en
  • US1941228A - Feed mechanism for automatic machine tools : en
  • US1941433A - Electrical system for automobiles : en
  • DE590217C - Process for the production of resistant protective coatings on metallic objects, especially iron pipes : de en
  • CA338203A - Waterproof mortar : en fr
  • CH166107A - Scythe angel machine. : de en
  • DE590250C - Device for regulating AC machines working in parallel, especially those belonging to different power plants : de en
  • DE590288C - Sheets of castable plastics : de en
  • FR757582A - Improvements to refrigeration : en fr
  • FR757742A - Heavy oil carburettor for all internal combustion engines : en fr
  • AT136055B - Device for fastening ladder rungs to the stiles. : de en
  • CA338191A - Spark arrester : en fr
  • FR757724A - Process for the production of solid carbon dioxide : en fr
  • CH166234A - Holders for magazines, newspapers, etc. : de en
  • US1940935A - Method of sintering ores and apparatus therefor : en
  • GB403468A - Improvements in and relating to detachable rims for pneumatic tyred road vehicles : en
  • CH166200A - Apparatus for the anesthesia of living beings. : en fr
  • DE590064C - Rotatable, eccentrically mounted grinding piece for pantograph hoops with several grinding surfaces to be used alternately : de en
  • FR757378A - Improvements in methods and apparatus making it possible to determine the variations in the external dimensions of a part whose section has a limited maximum template : en fr
  • FR757402A - Improvements to games of chance called roulettes : en fr
  • US1941372A - Elastic fluid turbine : en
  • PL19362B1 - Tool for troweling the floor, mortar. : en pl
  • SU33802A1 - The method of grinding materials : en ru
  • FR757496A - Improvements to gasoline and heavy oil carburetors for internal combustion engines : en fr
  • GB403614A - Improvements in and relating to the production of cymene : en
  • SU33853A1 - Hydraulic valve for pipes connected to a storage for flammable liquids : en ru
  • SU33608A1 - Method of measuring torque of electric machines : en ru
  • US1940767A - Sewing machine attachment for stamping and hammering sheet metal and the like : en
  • CA338125A - Container sifting and dispensing device : en fr
  • GB403518A - Improvements in or relating to dynamo electric machines : en
  • FR757464A - Automatically controlled image projector : en fr
  • CA338211A - Substitution reaction inhibition : en fr
  • FR757609A - Removable eclipse signaling arm for trucks, trailers, etc. : en fr
  • US1940808A - Rifle grenade clinometer : en
  • FR757544A - Further development in V-belt drive systems : en fr
  • GB403654A - Improvements in the absorption of olefines and in the manufacture of oxygenated organic compounds therefrom : en
  • SU33501A1 - Lamellar drill : en ru
  • SU33891A1 - Alarm device to indicate the temperature rise of materials stored in barns, heaps, etc. : en ru
  • US1940740A - Cooking utensil : en
  • US1940754A - Apparatus for forming flanged bearings and the like : en
  • US1941418A - Device for connecting scaffold poles and the like : en
  • FR757576A - System for the recovery and accumulation of excess force from water distribution pipes : en fr
  • FR757607A - Two-stroke engine : en fr
  • DE590149C - Support roller arrangement for belt vehicles : de en
  • GB403460A - Improvements in or relating to plant pots : en
  • AT136014B - Flash powder. : de en
  • DK48193C - Device for sharpening razor blades and the like. : da en
  • FR757648A - Bra : en fr
  • GB403498A - Improvements in or relating to liquid pressure braking means for vehicles : en
  • PL19382B1 - Soap preparation. : en pl
  • SU33767A1 - Device for dragging the net under the ice : en ru
  • US1941107A - Thermionic tube construction : en
  • US1941166A - Coil forming machine : en
  • FR757705A - Improvements in photoelectric devices : en fr
  • GB403657A - Process for the production of aluminium sulphate from clay : en
  • GB404001A - Improvements in and relating to the manufacture of ropes and cords : en
  • US1941041A - Package for can ends and method of producing same : en
  • US1941360A - Outboard motor transmission : en
  • AT135920B - Hydraulically operated control device for speed change gears. : de en
  • CH166143A - Automatic apparatus for feeding molten glass to glassware making machines. : en fr
  • FR757451A - Binder for photographic emulsions : en fr
  • FR757646A - Unfermented fruit juice sterilization apparatus : en fr
  • FR757778A - : fr
  • SU33790A1 - Adaptation to the drilling machine for boring conical holes : en ru
  • US1941071A - Container and closure means for the same : en
  • FR757642A - Improvement brought to decanter-extractors operating by extravasation : en fr
  • GB403999A - Improvements in combined air compressor and engine units : en
  • FR757423A - Hot gas dryers : en fr
  • FR757569A - Dental prosthesis appliance, parts used in its manufacture and its manufacturing process : en fr
  • GB403613A - Improvements in multi-engine aeroplanes : en
  • CH166246A - Electrically operated pencil sharpener. : de en
  • CH166292A - Pillow block. : de en
  • AT135951B - Controllable mercury vapor converter for coupling AC networks of any frequency and number of phases. : de en
  • USD91236S - Design for a refrigerator cabinet : en
  • FR757726A - Container device for radium-emitting beverages : en fr
  • FR757738A - Plug-in portable light handle : en fr
  • DE590396C - Wheel hub, especially for prams and dolls' prams : de en
  • DK48206C - Automatic marking Ring slider. : da en
  • US1941322A - Dispensing container for toothpicks or other similar articles : en
  • CA338128A - Stove baffle : en fr
  • SU33672A1 - A device for centering the pellets when they are fixed at the centers of the shelling machine : en ru
  • SU33699A1 - Device for measuring skin area : en ru
  • US1941377A - Time selector mechanism : en
  • US1941091A - Knitting mechanism : en
  • US1941148A - Printing plate : en
  • US1941158A - Automatic brake for windlasses : en
  • SU33762A1 - Device for absorbing juice from the roots of rubber plants : en ru
  • FR757375A - Manufacturing process of hard metal parts, compressed and profiled, which can be machined without prior concretion : en fr
  • SU33809A1 - Method for increasing the sensitivity of an emulsion of ferroprous paper, improving its tone and preserving : en ru
  • US1940858A - Sound recording and sound reproducing system : en
  • SU33603A1 - Electric meter : en ru
  • USD91255S - Design for a platform scale : en
  • FR757430A - Further training in lighting devices and in particular in electric lanterns and ceiling lights for motor vehicles : en fr
  • US1940780A - Insulator for coaxial conductors : en
  • US1941378A - Stretcher jack : en
  • US1941434A - Foundry plant : en
  • CA338227A - Metal tube reducing apparatus : en fr
  • US1941248A - Sheet registering device : en
  • CA338231A - Dross processing : en fr
  • DE590184C - Electric motor, on whose housing a reduction gear with angular teeth is attached, the pinion of which sits directly on the motor shaft : de en
  • DE590306C - Device for compressing the fuel stock in discontinuously operated coke fuel loafers : de en
  • US1940918A - Hydraulic or fluid clutch : en
  • SU33547A1 - Manganese non-magnetic steel : en ru
  • SU33696A1 - Device for the breakdown of built embankments : en ru
  • US1941410A - Glass melting furnace : en
  • CA338220A - Grounding fitting : en fr
  • CH166394A - Safety device at level railroad crossings. : de en
  • CA338251A - Filament, yarn and thread processing : en fr
  • US1940659A - Transport equipment for highway construction machines and the like : en
  • US1940982A - Machine for placing labels on articles : en
  • CH166371A - Advertising sheet to be given to consumers and sellers of butchery products. : de en
  • SU33878A1 - Hollow stranded wire for high voltage transmission lines and method of manufacturing such : en ru
  • US1940894A - Soot valve and self-feeding intake : en
  • CH166221A - Process for the preparation of an azo dye. : de en
  • SU33766A1 - Ice cream machine : en ru
  • SU33573A1 - Electrical current distributor : en ru
  • US1941385A - Acoustic system : en
  • SU33478A1 - Buksa for railway pavozok : en ru
  • US1941345A - Resistance-capacitance coupled amplifier : en
  • CA338096A - Potato chipping machine : en fr
  • CA338131A - Kneeling stool : en fr
  • CH166322A - Process for the production of zinc cans for electrical elements. : de en
  • FR757459A - Improvements to rigid jaw couplings for railway wagons : en fr
  • FR757501A - Automatic device for handling injection syringes : en fr
  • US1940877A - Extension-shelving for display cabinets : en
  • FR757644A - Manufacturing and assembly process for touring shoes : en fr
  • CH166231A - Process and apparatus for bleaching pulp. : de en
  • US1941024A - Amusement apparatus : en
  • SU28662A1 - Machine for simultaneous cutting of roots of plants and lining sprouts : en ru
  • US1941279A - Spark plug : en
  • AT135948B - Multiple mirror screw. : de en
  • SU33725A1 - Aneroid barometer : en ru
  • SU33564A1 - Pedal lock device : en ru
  • FR757507A - Button-clasp : en fr
  • FR757668A - Improvements in processes and apparatus for the concentration of wines and fruit juices : en fr
  • SU33505A1 - Mining harvester : en ru
  • AT135932B - Sharpening device for razor blades. : de en
  • AT135934B - Universal relay, especially for railway safety devices. : de en
  • US1940882A - Sorting apparatus : en
  • CH166312A - Regulating device for internal combustion engines, in particular for vehicle drive machines. : de en
  • US1940926A - Motor control system : en
  • USD91250S - Design for a finger ring : en
  • SU33597A1 - Device for remote protection of electrical installations : en ru
  • AT136001B - Sand and ballast sorting machine. : de en
  • SU33705A1 - Recording device to measuring instruments : en ru
  • SU33770A1 - Fishing gear : en ru
  • SU33884A1 - A method of manufacturing sheets of plywood and cardboard : en ru
  • US1940762A - Separator for treated emulsions : en
  • US1941277A - Manufacture of ether derivatives of carbohydrates like cellulose : en
  • US1941137A - Lubricating device : en
  • DE590161C - Process for hardening the lacquer layers of coils for electrical machines and transformers : de en
  • CA338105A - Hydrogen sulphide removal from gases : en fr
  • BE398497A - Device for the passage of fluids from an air compressor, or other device, mounted on an elastic support, to a reservoir or other component fixed to the frame : en fr
  • CH166170A - Process for the production of artificial structures. : de en
  • SU33667A1 - Motorized archery saw with manual control : en ru
  • SU33851A1 - Stonecutter : en ru
  • SU33856A1 - Wall clock with weights and signaling device : en ru
  • US1941083A - Sewing machine : en
  • US1940888A - Concealed fastener for wall brackets : en
  • US1941250A - Fair lead : en
  • US1941333A - Table or chair : en
  • CA338171A - Rubber article : en fr
  • CA338081A - Soya bean disembittering process : en fr
  • AT135963B - Methods and devices for the production of composite tools and implements. : de en
  • US1941267A - Treatment of hydrocarbon oil : en
  • US1941312A - N-substituted derivatives of the pyridone series : en
  • CH166396A - Process for enabling valve-controlled AC motors to work back on the mains supplying them. : de en
  • BE399603A - : en
  • AT136053B - Yoke for the production of concrete lanes in road structures. : de en
  • AT135962B - Device for oblique parting and dividing of pipes and for making curved cuts using a cutting torch. : de en
  • AT136098B - One-handed repeating pistol. : de en
  • DE590158C - Process for the production of potash : de en
  • DK48205C - Yarn wrench with protective winding. : da en
  • US1941128A - Container, more particularly for nitriding purposes : en
  • US1940950A - Air brake : en
  • US1941259A - Washing machine : en
  • FR757370A - Electric wire breaker for warping, winding, doubling, and similar machines : en fr
  • FR757385A - Lock adaptable to several uses : en fr
  • FR757406A - Refinements to trip starters and magnetic restraint devices : en fr
  • FR757510A - Spotting and rescue buoy : en fr
  • US1941143A - Harvester : en
  • US1941264A - Operating handle for articulated bedsprings : en
  • BE399687A - : en
  • AT136019B - Collection and cleaning container for the sealing liquid flowing out of the bottom cup of a disk gas container provided with a liquid seal. : de en
  • AT135913B - Paper machine. : de en
  • CA338162A - Ketene reaction product : en fr
  • CH166188A - Tie. : de en
  • US1940946A - Material control apparatus and method : en
  • CH166138A - Nozzle for spraying sludge in rotary kilns. : de en
  • GB403502A - Improvements in or relating to electric conductors, especially communication or high-frequency cables : en
  • AT136011B - Process for the production of beads or similar moldings from waxy, chlorinated hydrocarbons. : de en
  • CH166373A - Goods display stand. : de en
  • AT136043B - Device for printing price tags u. like : de en
  • PL19351B1 - Wooden ceiling with wooden beams to attach machines and pedestals : en pl
  • SU33862A1 - Device for regulating water turbines Kaplan : en ru
  • US1941397A - Terminal for refrigerating apparatus : en
  • US1941402A - Lubricating device, particularly adapted to be used in connection with rotary distributors for internal combustion engines : en
  • SU33820A1 - Device for spilling liquids in metered portions : en ru
  • US1941014A - Heat transmission and distribution : en
  • US1941056A - Method and device for polishing two edged razor blades : en
  • AT135997B - Process for the preparation of symmetrical and asymmetrical polymethine dyes substituted at the central carbon atom. : de en
  • CA338104A - Motor driven sleigh : en fr
  • SU33525A1 - Brush for cleaning clothes and various fibrous materials : en ru
  • AT135981B - Drive for cross rolling mills. : de en
  • CA338215A - Loose leaf binder : en fr
  • CH166345A - Feed device for gas consumers with built-in gas pressure regulator. : de en
  • US1941285A - Titanium sulphate compounds : en
  • AT135925B - Tap for water pipes u. like : de en
  • US1941067A - Radio broadcasting and receiving : en
  • US1941198A - Ice making apparatus : en
  • US1941339A - Thermostatic control for vapor electric devices : en
  • SU33781A1 - Device for transmitting rotation from one shaft to another : en ru
  • US1941054A - Lathe center : en
  • SU33892A1 - Continuous Concrete : en ru
  • CA338222A - Electrical connector : en fr
  • CA338234A - Electric motor : en fr
  • CA338235A - Electric motor : en fr
  • CA338214A - Fuel distributor : en fr
  • CH166273A - Detent escapement for electric timepiece. : en fr
  • US1940683A - Disazo dye and method for its preparation : en
  • US1941356A - Safety mechanism : en
  • CA338140A - Combustion engine : en fr
  • GB403671A - Improvements in or relating to cathode ray and like electric discharge devices : en
  • CH166176A - Device for automatic adjustment of the tension of a thread, in particular applicable to winders and bobbins. : en fr
  • CH166219A - Process for the preparation of a 4-amino-diphenylamine derivative. : de en
  • CA338160A - Photo-sensitive apparatus : en fr
  • AT135991B - Electric resistance furnace. : de en
  • CH166135A - Process to make cementitious compounds water-repellent and waterproof. : de en
  • DE590249C - Seal for bushing insulators and other bodies which are inserted into oil-filled housings of electrical apparatus : de en
  • CA338176A - Organic liquid electrothermal dissociation apparatus : en fr
  • DE590286C - Machine for making schnitzel from plastic materials, especially soap : de en
  • SU33785A1 - Automatic crane device : en ru
  • CH166158A - Device for attaching a length of fabric to a frame. : de en
  • CA338102A - Wheel straightening apparatus : en fr
  • US1941172A - Method for manufacturing calcium cyanamide : en
  • DE590170C - Process for cleaning drinking water of all kinds, especially those waters that contain iron, manganese and aggressive carbonic acid : de en
  • US1940985A - Electrically operated hot air furnace : en
  • US1941032A - Glare shield : en
  • US1941288A - Electrical apparatus : en
  • US1940902A - Direction finding : en
  • CH166125A - Beam with telescopic parts for temporary support when shuttering concrete structures. : de en
  • CH166133A - Electric heat accumulation furnace. : de en
  • DE590156C - Device for accelerating sludge digestion in sludge digestion rooms : de en
  • CH166123A - Sealing device on doors and similar closing organs. : de en
  • DE590267C - Regulator for power machines with pumping station, flow control valve and pressure valve : de en
  • SU33852A1 - Storage for flammable liquids : en ru
  • SU33493A1 - Method of hardfacing of hard alloys Tina Vocar or Stellite on the working part of the tool for rotary drilling : en ru
  • US1940915A - Railway traffic controlling apparatus : en
  • CA338237A - Sound reproducing system : en fr
  • GB403478A - Improvements in or relating to the assembly and fixing of exhaust pipes of internal combustion engines : en
  • DE590122C - Stencil stamp : de en
  • FR757660A - : fr
  • CH166372A - Illuminated advertising facility. : de en
  • AT135960B - Method and device for determining the fineness modulus of loose heaps by mechanical means. : de en
  • CH166149A - Gas stove with hot water tank. : de en
  • CH166236A - Visas on filing pockets. : de en
  • USD91249S - Design for lace : en
  • CH166331A - Candlestick clamp. : de en
  • AT136057B - Automatic brake adjustment for motor vehicles and railroad vehicles. : de en
  • US1941176A - Windshield for automobiles : en
  • SU33526A1 - Device for thermal processing of combustible minerals : en ru
  • US1940694A - Method of making pistons for shock absorbers : en
  • US1941399A - Hydraulic buffer with closing device for doors : en
  • US1941009A - Apparatus for electrothermal dissociation of organic liquids : en
  • US1941154A - Process of reducing the solution viscosity of cellulose fiber : en
  • US1941336A - Scatter load for shotgun shells : en
  • AT135909B - "Morel" system release device. : de en
  • AT136012B - Process for the preparation or regeneration of catalysts for the conversion of terpenes. : de en
  • US1940663A - Steam generating system : en
  • US1940887A - Control system : en
  • SU33653A1 - Glass melting installation : en ru
  • CH166399A - Pressure device for stretching mechanisms for textile wicks. : en fr
  • CH166278A - Device for clamping the boom support of radial drilling machines on the base. : de en
  • FR757717A - Orientation device : en fr
  • DE590352C - Process for the production of rayon : de en
  • CH166370A - Device for displaying advertisements running like leaves. : de en
  • FR757434A - Electrical conductors and manufacturing process : en fr
  • FR757699A - Flame retardant preparation : en fr
  • CA338083A - Gold saving machine : en fr
  • CH166214A - Process for the preparation of methylamino-6-methyl-2-hepten-2. : de en
  • SU33529A1 - Fixture for the distribution of summary statistical and accounting statements : en ru
  • CH166260A - Measuring pump for liquids of all kinds. : de en
  • CH166122A - Support for the rapid laying of cables, especially lightning protection cables, on tiled roofs. : de en
  • CA338103A - Folding spectacle : en fr
  • CH166408A - Radiator, in particular for oil cooling for transformer boxes. : de en
  • PL19339B1 - A method of roasting particles containing zinc and iron sulphides in a gas suspension, and a device for this purpose. : en pl
  • US1941187A - Ignition control apparatus : en
  • PL19377B1 - Rotary machine for coloring and printing metal foil. : en pl
  • US1940873A - Trolley wire splicer : en
  • US1941404A - Tile setting machine : en
  • CH166415A - Process for the preparation of an N-alkylated derivative of barbituric acid. : de en
  • AT136040B - Feeding of tobacco leaf veins or similar materials to flattening or other processing machines. : de en
  • BE399728A - : en fr
  • CH166309A - Device with servo motor for adjusting the impeller blades of water turbines depending on the position of the guide vanes. : de en
  • CH166269A - Self-winding portable timepiece. : en fr
  • CH166108A - Pulling and steering device on mowers. : de en
  • US1940707A - Inorganic insulation for electrical sheets : en
  • US1940738A - Smoothing machine : en
  • US1940896A - Telegraph system : en
  • AT135970B - Machine for the automatic filling of straps with zipper links. : de en
  • CA338166A - Spinning machine : en fr
  • PL19380B1 - Kl-dZLiyi. y Plug for plugging the arrow holes when breaking rocks. : en pl
  • SU33589A1 - Radio reception method : en ru
  • SU33717A1 - Device for improving the accuracy of readings in devices such as Martens : en ru
  • PL19363B3 - Castle with two stops. : en pl
  • SU33707A1 - Single-platform levers for Falco-type weighted scales : en ru
  • CA338209A - Acid anhydride manufacture : en fr
  • CA338226A - Metal stock reducing apparatus : en fr
  • CH166163A - Mixing and beating machine with friction wheel speed change gear. : de en
  • US1940788A - Internal combustion engine : en
  • US1941060A - Apparatus for manufacturing cigar fillers : en
  • US1941361A - Air inlet control and method of operating a pump-turbine : en
  • US1941207A - 3-carboxy-4-hydroxy-diphenyl and salts thereof : en
  • AT136068B - Pressure hose carrier. : de en
  • GB403562A - Improvements in closure for jars and like containers : en
  • CA338194A - Pipe joint : en fr
  • AT135956B - Device for shifting the ignition point of a grid-controlled rectifier. : de en
  • CH166168A - Tin can with sheet metal membrane closure and opener for the same. : de en
  • SU33587A1 - Regenerative amplifier : en ru
  • US1940782A - Safety device for locks : en
  • US1940667A - Machine for clinching friction covers to cans : en
  • US1941420A - Process for manufacturing molded products : en
  • GB403473A - Improvements in and relating to liquid fuel burning plant for boiler furnaces and the like : en
  • SU33540A1 - Rail for distribution mechanism of typesetting machine "Linotype" : en ru
  • CH166161A - Desk for dressing tables and other furniture. : de en
  • FR757355A - Maneuver signal for road vehicles : en fr
  • GB403439A - Improvements relating to the recovery of the principal constituents of pyroligneous acid : en
  • SU33817A1 - Centrifugal Pump Guide Plate : en ru
  • US1940770A - Adjusting device and burglar alarm for casement windows : en
  • US1940889A - Baker's oven and means for controlling and distributing the products of combustion throughout the same : en
  • FR757653A - Brake device for bicycle : en fr
  • PL19419B1 - Absorbent mass for filters, absorbing fumes, mists or gases with gas masks or for filters to protect closed rooms and the method of its production. : en pl
  • SU33745A1 - Conveyor to beet harvesting machines : en ru
  • USD91232S - Design for a candy box : en
  • US1940783A - Apparatus for testing external : en
  • FR757513A - Advertising device : en fr
  • US1940978A - Apparatus for drying barrels and like articles : en
  • CH166293A - Ball bearing. : en fr
  • DE590255C - Process for the production of water-insoluble azo dyes : de en
  • AT136016B - Process for hydrogenating carbonaceous materials. : de en
  • AT135917B - Artificial ice rink. : de en
  • US1941139A - Lubricating device : en
  • US1941329A - Pasteurizer : en
  • US1940781A - Combined score pad and game score indicator : en
  • GB403585A - Improvements in water-closet basins : en
  • GB403714A - Improvements in connection with burners of oil lamps : en
  • GB403564A - Improvements in or relating to transportation systems : en
  • GB403512A - Improvements in spring balances or weighing machines : en
  • GB403447A - Improvements relating to rotary kilns : en
  • GB403507A - Engine starter mechanism : en
  • GB403517A - Improvements relating to sheet metal drawing presses : en
  • GB403981A - Improvements in fuel-injector pump timing devices for internal combustion engines : en
  • USRE19036E - Preparation of rosin solutions : en
  • CA338122A - Engine fuel production : en fr
  • CA338187A - Gyroscope flying machine with oscillating wings : en fr
  • GB403528A - Bust uplift : en
  • US1940746A - Clothesrack : en
  • PL19335B1 - Oil cracker. : en pl
  • US1940968A - Paneling structure : en
  • US1941113A - Terminal for wire cables : en
  • US1941135A - Lubricating device : en
  • US1941170A - Spark plug : en
  • USD91257S - Design for a cash register cabinet : en
  • US1941181A - Card table attachment : en
  • SU33732A1 - Mobile table for competitions and tournaments. : en ru
  • PL19411B1 - A method of producing reinforced metal wires with one or more wire layers around the circumference, wound around the wire along the helix. The patent depends on the patent No. 15048. : en pl
  • US1941052A - Dispensing container : en
  • US1941119A - Lock cap : en
  • US1941184A - Torch holding and adjusting mechanism : en
  • US1941353A - Timing device for coin operated radios : en
  • SU33658A1 - Catching device for conveyor ropes : en ru
  • DE590203C - Ramp for motor vehicles : de en
  • US1940895A - Internal combustion engine : en
  • US1941020A - Heating installation : en
  • US1941265A - Rail lubricator : en
  • DE558785C - Deflagration gas turbine : de en
  • GB403565A - Improvements in or relating to oil-break switches and the like : en
  • US1941099A - Material handling and cutting apparatus : en
  • SU33840A1 - The way to produce forgive grezhi on coconotal pelvis : en ru
  • US1941306A - Farm implement : en
  • USD91235S - Design for a fish lure : en
  • CH166151A - Process for the production of an easily soluble cleaning agent containing alkali silicate in powder form. : de en
  • CA338082A - Catalytic reaction : en fr
  • DE590251C - Single armature converter with two separate rotor windings and commutators connected in parallel : de en
  • AT135931B - Crankshaft with counterweights attached to its cheeks, especially for internal combustion engines. : de en
  • CH166202A - Work table for food processing, especially those in butcher shops. : de en
  • DE590257C - Process for the production of blood albumin glue : de en
  • GB403556A - Leather imitations : en
  • US1941191A - Prepayment meter : en
  • US1941227A - Fishing reel : en
  • FR757577A - Improvement in phonographs : en fr
  • FR757471A - : fr
  • FR757457A - Drawing compass head mounting system : en fr
  • GB403497A - Apparatus for distant and near operation of railway switch points : en
  • GB403704A - Hair-waving apparatus : en
  • SU33492A1 - Instrument for measuring borehole curvature : en ru
  • US1941103A - Rail anchor : en
  • DE478559C - Collectors for loose sheets, which are lined up with outwardly open incisions on continuous flexible means between two strips, one of which can be attached to the flexible means at any point : de en
  • GB403715A - Improvements in metal doors : en
  • SU33633A1 - The tip to the device type Schatz-Malinowski to determine the functional ability of the muscles of the pelvic floor and ligament apparatus of the uterus : en ru
  • US1941098A - Sealed wire roll and method of making same : en
  • US1941405A - Demountable rim wheel : en
  • FR757512A - Petard : en fr
  • FR757636A - Air brake training : en fr
  • FR757585A - Bucharde with purlins or interchangeable heads : en fr
  • SU33742A1 - Potato planter : en ru
  • SU33859A1 - Shut-off device for sewer manhole covers : en ru
  • US1940886A - Universal joint : en
  • US1941427A - Method of making sulphur trioxide : en
  • DE590228C - Method and device for picking up, arranging and straightening zipper links : de en
  • FR757737A - Surface hardening process for golf balls : en fr
  • GB403608A - An improved device for use by smokers and substances for use with same : en
  • US1940829A - Feed water regulator : en
  • CA338167A - Spinning machine : en fr
  • FR757486A - : fr
  • SU33626A1 - The method of obtaining the product replacing the tar : en ru
  • CA338183A - Radiator core : en fr
  • CA338221A - Pipe coupler : en fr
  • FR757557A - Axleless plow with double lift and single lever : en fr
  • FR757447A - Annular piston hydraulic cylinder : en fr
  • FR757564A - Apparatus for finishing rough pavements : en fr
  • FR757789A - : fr
  • AT135966B - Foldable, portable table with seats. : de en
  • US1940953A - Shock absorbing car structure : en
  • US1941442A - Multistage centrifugal pump : en
  • FR757359A - High voltage transformer : en fr
  • US1940952A - Screen plate : en
  • US1941141A - Pump : en
  • CH166160A - Sliding door for cupboards running on a rail. : de en
  • GB403483A - Improvements in housing machines for joinery work : en
  • DE547713C - Ashtray : de en
  • US1941100A - Display fixture : en
  • FR757445A - Lifting device and dispenser for lockers and racks : en fr
  • CH166127A - Device for introducing garbage into a garbage chute. : en fr
  • CA338184A - Slidable seat : en fr
  • CH166315A - Injection pump for internal combustion engines with strongly changing speed. : de en
  • US1940719A - Squeeze tube container : en
  • US1941447A - Radio telephone signaling : en
  • US1941358A - Connecting truss for drain pipes : en
  • US1940765A - Railway draft rigging : en
  • US1941297A - Attachment for plain looms : en
  • DE590300C - Candle saving burner : de en
  • AT135958B - Cable sheath produced by pipe pressing. : de en
  • CH166118A - Chamber building block. : de en
  • CH166172A - Drive device for spinning and twisting spindles. : de en
  • CH166391A - Pressurized fluid braking device. : en fr
  • FR757466A - : fr
  • SU33778A1 - Composite piston primarily for internal combustion engines : en ru
  • US1941023A - Combination relief valve : en
  • SU33682A1 - Electrolyzer for obtaining magnesium from molten chloride salts : en ru
  • CA338155A - Grid structure : en fr
  • CA338164A - Ore treating apparatus : en fr
  • CH166105A - Motor mower with a front, pull-up cutting unit. : de en
  • FR757377A - Process for the treatment of raw vegetable fibers such as jute. hemp, coir and the like, or for treating yarns or fabrics made from these fibers : en fr
  • US1941278A - Manufacture of ether derivatives of carbohydrates like cellulose : en
  • US1941369A - Sash window : en
  • IE13024L - Refrigerators : en
  • FR757413A - Connection lug applicable in particular to the terminals of accumulator batteries : en fr
  • GB403454A - Improvements in bed settees : en
  • PL19324B1 - Cigarette case. : en pl
  • GB403659A - Improvements relating to interrupters for the ignition apparatus of internal combustion engines : en
  • GB403712A - Improvements in packing or jointing material : en
  • US1941237A - Hand telephone : en
  • US1941436A - Building structure : en
  • US1941348A - Joint fitting : en
  • USD91253S - Design for a display cabinet : en
  • SU33522A1 - A device for recording the lengths of pieces of cloth measured on measuring machines : en ru
  • BE399640A - Development of static capacitors : en fr
  • FR757543A - Special machine for tying sausages, sausages, etc., using ordinary strings properly tied : en fr
  • FR757586A - Fife beak : en fr
  • PL19327B1 - Camera for developing and fixing films and a film spool adapted to it. : en pl
  • DE582937C - Alloys that are hot-workable : de en
  • US1940794A - Treated oil settling device : en
  • US1941330A - Air distributor for automobile heaters : en
  • SU33651A1 - Tool for cleaning and dyeing molds : en ru
  • CA338228A - Rod coupling : en fr
  • FR757674A - System of superimposing currents of higher frequency signals on an alternating current network : en fr
  • CA338240A - Method of treating magnetic materials : en fr
  • CH166286A - Process for branding characters on metal surfaces and a burning pen. : de en
  • GB403490A - Improvements relating to oil vapour stoves : en
  • AT135933B - Method and apparatus for producing and reconverting an image arrangement for purposes of television and the recording and reproduction of images. : de en
  • AT136089B - Automatic pistol. : de en
  • CH166410A - Radiographic contrast agent. : de en
  • FR757361A - Preparation of hydrochloric acid : en fr
  • FR757547A - Luminous device by transparency for motor vehicle : en fr
  • CH166134A - Device for pouring concrete pipes. : de en
  • DE590302C - Closing piston for container for storing gas : de en
  • US1941413A - Spool : en
  • FR757440A - Anchor insulator in oil bath : en fr
  • PL19389B1 - Electric discharge lamp for sending rays. : en pl
  • SU33644A1 - Model for forming cylindrical parts : en ru
  • FR757516A - : fr
  • FR757538A - Improvements to vehicles with treads : en fr
  • FR757654A - Process and machine for the manufacture of building elements of all kinds, with reinforced iron frame in the form of a frame : en fr
  • US1941171A - Hosiery : en