• CH172779A - Iron alloy for the manufacture of rustproof, acid and high heat resistant objects. : de en
  • DE604961C - Reamer sharpening device : de en
  • DE604991C - Sealing lids for thin-walled metal drums for packing, storing and shipping, especially of calcium carbide : de en
  • USD93721S - Design fob a hand bag frame : en
  • SU39240A1 - A method of making an electric cable : en ru
  • SU39491A1 - Layer for stepped pulleys : en ru
  • CH172853A - Braun tube, in particular for television purposes. : de en
  • SU39312A1 - Method for trapping volatile constituents from gases in a scrubber without packing : en ru
  • SU39404A1 - Mobile table to the microscope : en ru
  • US1979047A - Drawing instrument : en
  • CA345573A - Snowmobile : en fr
  • SU39273A1 - Device for the automatic pumping out of flasks of electric lamps : en ru
  • SU39707A1 - Hydraulic press for the manufacture of lead pipes by extruding molten lead through an annular matrix : en ru
  • US1979109A - Valve : en
  • ES135262A1 - Procedure for the coupling of the cups in the cement and asbestos tubes or similar. : en es
  • GB418607A - Improvements in and connected with punches for use in conjunction with files for papers and documents : en
  • US1978660A - Carburetor : en
  • USD93750S - Design for a lamp : en
  • SU39088A1 - The method of separation of elemental silicon from materials containing its compounds : en ru
  • US1978555A - Soot blower : en
  • SU39297A1 - The method of obtaining cm gchitel from the inside of fish : en ru
  • US1978736A - Cam and slide mechanism : en
  • US1978807A - Method of producing laminated products : en
  • US1978929A - Slicing machine : en
  • BE405000A - : en
  • FR772563A - Thorium metal alloys : en fr
  • GB418913A - Improvements in flexible cable transmission mechanisms : en
  • GB418940A - Improvements in or relating to cathode ray tube apparatus for use in television and like systems : en
  • SU39230A1 - Method of simultaneously maintaining two telephone or telegraph transmissions : en ru
  • US1978875A - Artificial bait for game fish : en
  • US1978890A - Machine for assembling ophthalmic mountings : en
  • SU39121A1 - Section of horizontal water-tube boiler : en ru
  • SU39141A1 - The printing form for multi-color printing in one print, made in the form of filigree : en ru
  • US1978979A - Color photography with key print : en
  • SU39329A1 - Device for gynecological operations : en ru
  • SU39143A1 - Continuous adsorption unit : en ru
  • US1979220A - Arc welding apparatus : en
  • CH172644A - Process for the construction of non-slip and very resistant coatings and coating obtained by this process. : en fr
  • CH172738A - Process for making a lubricating oil improver. : de en
  • SU39124A1 - Device for controlling steam superheat : en ru
  • US1979124A - Process for the preparation in dry powdered form of animal, fish and vegetable matter : en
  • FR772660A - Method and device for the cleaning of cans for thin sheets : en fr
  • SU39691A1 - Bobbin changer on the loom : en ru
  • US1978734A - Electric cord extension device : en
  • CH172903A - Single-wheel trailer for motor vehicles. : de en
  • CH172941A - Process for the production of artificial structures. : de en
  • SU39339A1 - Stick for the blind : en ru
  • US1979066A - Engine : en
  • US1978843A - Trolling spoon : en
  • AU1619934A - Improvements insanitary napkins : en
  • SU39209A1 - Device for tightening the screw joint between the tender and the locomotive : en ru
  • US1978720A - Funeral car : en
  • DE604816C - Electrodynamic sound device : de en
  • CH172813A - Gear pump for rayon spinning machines. : de en
  • DE604967C - Method and device for drying wood, cardboard, rayon and other objects containing water : de en
  • AU2022234A - Improvements in or relating to electric accumulators : en
  • PL20466B1 - Drain valve for tank wagons. : en pl
  • US1978626A - One-piece folding box : en
  • US1978665A - Pressure gauge : en
  • FR772561A - Developments relating to reservoir brushes : en fr
  • FR772619A - Production process for halogenated tank dyes : en fr
  • GB418907A - Improvements in or relating to boxes : en
  • DE604925C - Wheel arrangement for vehicles running on roads and rails : de en
  • GB418635A - Resilient watertight covering for terrace and other roofs : en
  • CA345587A - Nut lock : en fr
  • CA345715A - Typewriter margin stop : en fr
  • CH172660A - Oil firing provided with a crude oil gasifier and a burner. : de en
  • CH172728A - Process for the preparation of 1-amino-2,3-dimethylanthraquinone. : de en
  • FR772489A - Improvements to endless belt stretching mechanisms : en fr
  • AU1464533A - Improvements in ignition coils for internal combustion engines : en
  • SU39094A1 - Method for separating rare earths and tori from monazites : en ru
  • SU39387A1 - The method of preparation of chlorinated rubber : en ru
  • FR772455A - A flexible pipe : en fr
  • GB418621A - Improvements in or relating to closure discs for sprinkling cartons and like containers : en
  • GB418701A - Improvements in baby carriages : en
  • CH172659A - Liquid fuel heating apparatus. : de en
  • CH172680A - Seating device with resilient bars, in particular for automobiles. : de en
  • CH172765A - Ball game. : de en
  • GB418677A - Improvements in or relating to endless conveyors : en
  • GB418732A - Improvements in or relating to levers, pinch bars and the like devices : en
  • DE590885C - Wick lubrication device for a sliding bearing that can be exchanged for a roller bearing : de en
  • US1978583A - Electrical pick-up apparatus : en
  • AU1352033A - Radio logging device : en
  • CH172818A - Method and device for dynamic charging of piston engines which suck in a gaseous medium. : de en
  • US1978915A - Folding gocart : en
  • US1978500A - Identification apparatus : en
  • SU39201A1 - Station lock device : en ru
  • SU39213A1 - Device for automatic start and braking of electric locomotives : en ru
  • SU39349A1 - Spark trap to cupola : en ru
  • FR772607A - Closing system for boxes or cases of all shapes intended to contain condiments or other products : en fr
  • CH172842A - Isolation on high voltage cables. : de en
  • DE604871C - Device for squeegeeing flat gravure printing plates by means of two squeegees scraping the printing plates in opposite directions : de en
  • US1978932A - Cable tap : en
  • SU39330A1 - Instrument for transecting the optic nerve : en ru
  • SU39365A1 - Apparatus for limiting the travel of carts or bridges of bridge cranes, stands, hoists or the like. : en ru
  • US1978401A - Electrical switch and receptacle box : en
  • SU39311A1 - The method of separation of coke oven gas into its component parts by the method of deep cooling : en ru
  • SU39172A1 - Fixture to protect the glass from icing : en ru
  • US1978592A - Treatment of hydrocarbon oils : en
  • SU39264A1 - Electrodynamic device : en ru
  • US1978554A - Dating and numbering cylinder : en
  • USD93714S - Design for a sign support : en
  • FR772487A - Billiard game : en fr
  • DE604850C - Firing grate with horizontally lying, moving grate bars that convey the fuel : de en
  • USD93700S - Design for a combined christmas : en
  • CA345669A - Vibrating screen : en fr
  • SU39479A1 - Air filter for tractor automobile engines : en ru
  • SU39582A1 - Squeeze press : en ru
  • US1978839A - Composition of matter and method of making same : en
  • BE405405A - : en fr
  • CA345694A - Rubber thread manufacture : en fr
  • US1978684A - Television : en
  • CA345653A - Radio transmission system : en fr
  • CH172918A - Direction indicators, in particular for bicycles and motorcycles. : de en
  • SU39597A1 - A system of bottomless webbed bulkheads for liquid and bulk cargo : en ru
  • US1978550A - Supply holder for winding machines with automatic feed of the full supply bobbins : en
  • BE405031A - New driving device for locomotive driving axles : en fr
  • PL20551B1 - Timing device for the gearbox of motor vehicles, in particular rail and road train cars. : en pl
  • SU39180A1 - Device for braking a train equipped with aerial auto brakes in case of accidents : en ru
  • US1979042A - Cigarette vending machine : en
  • US1979232A - Method of recovering so used in refining mineral oils : en
  • ES135109A1 - PROCEDURE FOR THE MANUFACTURE OF CUPS FROM WHICH CARTRIDGE SHEATHS AND PROJECTILE COVERS ARE MADE BY COLD EMBUIDING : en es
  • ES135406A3 - A process for the diffusion treatment of beets, sugar cane and other plants with food reserves for the extraction of sucrose sugar and other soluble carbohydrates. : en es
  • GB418894A - Improvements in and relating to methods of treating acid solutions : en
  • FR772436A - Suction draft system mounted in a flue box : en fr
  • SU39651A1 - Device for drying tobacco leaves : en ru
  • US1978802A - Centrifugal classifying apparatus : en
  • CA345639A - Alternating current generator : en fr
  • US1978690A - Electric water heating apparatus : en
  • US1978739A - Seal or guard : en
  • US1978876A - Floating bearing : en
  • CH172933A - Coal grinding piece, especially for pantographs, with inner or outer mount. : de en
  • DE605085C - Explosion-proof switch for electric hand lamps : de en
  • GB418924A - Improvements in or relating to safety devices for hot water boilers : en
  • DE604839C - Switching arrangement for light intercoms : de en
  • FR772494A - Clockwork device : en fr
  • GB418611A - Improvements relating to glow plugs for use particularly with compression ignition engines : en
  • DE605073C - Method for the preparation of a highly effective glucoside from Helleborus niger, L. : de en
  • FR772442A - Advanced baking oven for bakery and other uses : en fr
  • US1978847A - Rotary jar : en
  • SU39145A1 - Method of air liquefaction : en ru
  • SU39248A1 - Switch for reversing electric motors : en ru
  • SU39476A1 - Device for regulating rotary engines : en ru
  • US1978482A - Detector system : en
  • DK49451C - Motorcycle set. : da en
  • FR772560A - Device for counting coins : en fr
  • FR772662A - Electric motor drive device that can be used as a relay : en fr
  • US1978484A - Motor : en
  • US1979027A - Carrying devices : en
  • US1979177A - Convertible game apparatus : en
  • GB418902A - Improvements in stoves for cooking and heating : en
  • GB418712A - Improved process for scaling tubes : en
  • FR772669A - Process for reducing the resistance of a body to the advancement of a moving body by the effect of a radioactive substance : en fr
  • ES135494A1 - Procedure for the separation of chromium minerals from your gangue. : en es
  • ES129752A1 - IMPROVEMENTS IN THE MANUFACTURING OF ELASTIC BENCHES : en es
  • CA345645A - Electric switch : en fr
  • CH172759A - Ski binding with adjustable toe pieces. : de en
  • DE561791C - Reversible and exchangeable shoe heel patch : de en
  • SU39344A1 - Injection syringe : en ru
  • SU39488A1 - Tightening device for cable on grooved pulleys : en ru
  • CH172777A - Photographic sound recording on endless film tape. : de en
  • ES134854A1 - An apparatus for manufacturing zip fastener parts without leaving residues. : en es
  • US1979168A - Settling apparatus : en
  • SU39472A1 - Pneumatic device for entering into the holes of rodents of poisoned particulate matter : en ru
  • CA345733A - Telephone system : en fr
  • CA345742A - Earth boring drill : en fr
  • DE563031C - Reversible and exchangeable shoe heel patch : de en
  • SU39162A1 - Ballast sand feeding device for raised sleeper : en ru
  • FR772610A - Device with mirrors and prisms for photographic and cinematographic cameras : en fr
  • CH172717A - Process for the production of reinforced concrete tanks, the inner wall of which is provided with a protective coating. : de en
  • CH172740A - Process for the production of a high quality mixed fertilizer containing phosphorus and nitrogen. : de en
  • SU39293A1 - The method of making artificial varnish : en ru
  • SU39315A1 - Machine for decortication of prickly plants : en ru
  • US1978882A - Electric fitting for conduit outlet boxes : en
  • US1979208A - Recording device : en
  • US1978751A - Process for making alkali metal nitrates : en
  • DE604838C - Grinding device for razor blades with swiveling blade holder : de en
  • DE604978C - Washing machine : de en
  • CA345706A - Multiple pie baking pan : en fr
  • US1978541A - Holder for toilet sticks or the like : en
  • SU39198A1 - Device to translate the arrow from the wagon : en ru
  • SU39251A1 - Device for automatically switching off an electric motor of a circular saw and braking the latter : en ru
  • SU39354A1 - Fixture for casting fillings : en ru
  • US1979199A - Vegetable cutter : en
  • AU1719134A - Improvements in and relating to tentering machines for use in the treatment of fabric : en
  • CA345595A - Cellulose derivative viscosity reducing process : en fr
  • ES135457A1 - Improvements in the manufacture of refrigerators. : en es
  • ES135461A1 - A process for the manufacture of plates and sheets in latex-based reliefs. : en es
  • IE12940L - Water heaters : en
  • FR772592A - Buffet-table : en fr
  • ES135533A1 - TORQUE BALANCE : en es
  • US1978460A - Refrigerating apparatus : en
  • FR772594A - Elastic thrust and reaction device for motor vehicle rear axles : en fr
  • SU39654A1 - Device for stopping the liner machines : en ru
  • DK49470C - PROCEDURE FOR MANUFACTURE OF STRONG AND DURABLE, CASTED COMPOSITION ITEMS WHICH ARE MAINLY FREE OF TENSION. : da en
  • US1979068A - Phonograph : en
  • FR772424A - Gear change mechanism, especially for automobiles : en fr
  • FR772412A - Star spool holder for sewing machine : en fr
  • SU39393A1 - The method of obtaining nickel from poor ores : en ru
  • SU39431A1 - Lever instrument for determining the strength of coal and rocks in the face : en ru
  • FR772674A - Improvements to elastic couplings : en fr
  • ES134931A3 - A procedure for mounting clichés for duplicating machines. : en es
  • ES135421A1 - Perfeccionamientos in the construction of rapids and rejones. : en es
  • ES135426A1 - A procedure to operate the internal combustion engines with gas oil. : en es
  • DE605090C - Method and device for pressing glass : de en
  • PL20459B1 - A device for closing a gate with a sliding spindle from a distance and a method of replacing a gate with a non-sliding spindle with a gate valve with a sliding spindle and a device for manual opening of the gate, closed with a device for closing it from a distance. Patent dependent on patent No. 20458 in the scope of claims 1. : en pl
  • US1978902A - Davenport : en
  • FR772488A - Process for preparing low boiling point hydrocarbons, in particular anti-knock fuels, from low volatile oils, oil residues, tars, etc. : en fr
  • FR772514A - Universal measuring and pointing machine : en fr
  • FR772632A - Improvements to closing caps for bottles and other similar containers : en fr
  • GB418699A - Improvements in roller skates : en
  • GB418822A - Improvements in and relating to mechanism for propelling model horses and like animals : en
  • ES135405A1 - A PROCEDURE FOR THE MANUFACTURE OF HIGHLY VISCOSE PRODUCTS : en es
  • GB418952A - Improvements in or relating to showcards, price tickets and the like : en
  • DE604845C - Endless shackle chain : de en
  • FR772547A - Advanced training in garden plows : en fr
  • ES134676A1 - An apparatus for making thermal energy conversions. : en es
  • CA345575A - Music reading game : en fr
  • USD93710S - Design for a shoe : en
  • DE604869C - Device for stopping rotary printing machines when the paper web tears : de en
  • US1978579A - Mop for use with vacuum cleaners : en
  • US1979007A - Self-tttbricating bobbin gear : en
  • US1979237A - Laundry machine : en
  • SU39277A1 - Electrohydrotherapy Device : en ru
  • ES135468A3 - Procedure for laying floor, ceiling and wall coverings. : en es
  • FR772571A - Sound reproducing device for speaking machines or similar machines : en fr
  • GB418969A - Improvements in or relating to size-converting means for use with garment lay-outs : en
  • FR772426A - Manufacturing process of flexible shoes : en fr
  • GB419450A - Improvements relating to wheels for locomotives or the like : en
  • SU39401A1 - Apparatus for dividing circular arcs into parts : en ru
  • SU39483A1 - The method of electric ignition of the working mixture in internal combustion engines : en ru
  • FR772586A - Aluminum alloys : en fr
  • GB418818A - Improvements in vaporising apparatus for use with internal combustion engines : en
  • GB418915A - Improvements in and relating to trailer caravans : en
  • US1978562A - Treatment of hydrocarbon oils : en
  • ES2583Y - Air chamber of the tires of all kinds of valves. : en es
  • SU39200A1 - Automatic stop sign for urban railways : en ru
  • FR772513A - New rail applicable to all tracks on which flanged-wheeled vehicles run, with tires of rubber or coated with rubber or similar materials : en fr
  • GB418832A - Improvements in or relating to apparatus for packing wool and other goods in cartons : en
  • ES134857A1 - Improvements in the manufacture of wrenches for tube calls. : en es
  • FR772600A - Electric accumulators, in particular for motorcycles : en fr
  • GB418638A - Improvements in electric transformers : en
  • DE605016C - Process for the production of glues from carbohydrates : de en
  • US1978444A - Preservation of rubber : en
  • US1978452A - Method of making pipe fittings : en
  • US1978622A - Automatic chock for vehicle lifts : en
  • US1978937A - Cash register : en
  • DE574821C - Stand-up collar : de en
  • AU1489433A - An improved safety barrier for railway stations andthe like : en
  • US1978607A - Welded manway for pressure vessels : en
  • FR772601A - Ceramic product for spark plugs : en fr
  • SU39140A1 - Scaler for electrical measuring instruments : en ru
  • US1978542A - Apparatus for making of seamless dress preservers : en
  • SU39509A1 - Method of protection against rusting of ferrous metals under the action of water : en ru
  • SU39626A1 - Palette : en ru
  • US1978723A - Brake : en
  • FR772564A - Device of steam generators and condensers on automotrioes : en fr
  • GB418751A - Improvements relating to pottery and other kilns or ovens : en
  • PL20502B1 - Steam boiler with water pipes, equipped with zebra. : en pl
  • US1978904A - Liquid fuel burner : en
  • DK49450C - Tool for Nail Care. : da en
  • GB418752A - Improvements relating to gas fires : en
  • GB418958A - Improvements in and relating to two colour signs : en
  • BE405332A - : en fr
  • CA345738A - Priming mixture : en fr
  • SU39484A1 - Device for automatic control of cooling water temperature in internal combustion engines : en ru
  • US1978758A - Nonskid device for vehicle wheels : en
  • US1979052A - Electric resistance furnace : en
  • GB418811A - Improvements relating to means for eliminating parasitical oscillations in radio-electric reception : en
  • SU39567A1 - Method of making photosensitive layers : en ru
  • US1979081A - Holder for posters and the like : en
  • PL20559B1 - Device for the transient cut-out of the drive in motor vehicles. : en pl
  • SU39415A1 - Automatic Scales : en ru
  • AU1806934A - Improvements in or relating toa method of irradiating substance by means of ultraviolet rays : en
  • DE605009C - Safety device against bicycle theft : de en
  • US1978505A - Harvesting machine : en
  • US1978790A - Hot stamping device : en
  • US1978993A - Amusement device : en
  • PL20491B1 - Landing gear for airplanes. : en pl
  • SU39325A1 - Esthesiometer : en ru
  • SU39585A1 - Air heating method : en ru
  • SU39139A1 - Device for the production of colored fly-leaves : en ru
  • US1979188A - Treating natural and artificial fibers : en
  • FR772449A - Glide for furniture legs : en fr
  • CA345721A - Loose leaf binder : en fr
  • SU39538A1 - Conical trap settling : en ru
  • US1978738A - Brake system for automotive vehicles : en
  • SU39324A1 - Psychotechnical Testing Device : en ru
  • CA345580A - Drain cleaner : en fr
  • US1978587A - Full fashioned stocking with eng : en
  • CA345734A - Ceramic article : en fr
  • CH172898A - Suitcase that can be used as a folding table with seats. : de en
  • DE604864C - Process and device for degassing and gasifying carbonaceous substances : de en
  • ES135437A1 - A mechanical fuze of artillery projectile. : en es
  • GB418737A - Improvements in and relating to electric switches provided with arc quenching means : en
  • GB418792A - Improvements in or relating to linear dimension gauges : en
  • CA345569A - Roving drawing mechanism : en fr
  • CH172863A - Lighting device support for road vehicles. : en fr
  • US1978991A - Automatic double acting blow-out preventer for use in oil well drilling : en
  • GB418892A - Improvements in or relating to roasting utensils : en
  • SU39245A1 - Device for transmitting operating signal or similar current pulses over a distance : en ru
  • SU39577A1 - Device for adjusting the exposure time or copying photographic prints : en ru
  • US1978446A - Heterodyne system : en
  • US1978604A - Radiator core : en
  • US1979023A - Gauge for chaser grinding : en
  • US1979024A - Screw threading die : en
  • DE604979C - Washing machine tub : de en
  • DE605032C - Liquid switch without extinguishing chamber : de en
  • SU39588A1 - Lock for hood : en ru
  • US1978769A - Pneumatic bumper cover : en
  • DE588285C - Roots piston machine with a piston disk arranged in a ball housing at an angle to the drive shaft : de en
  • DE604875C - Device for delaying switching processes : de en
  • CH172681A - Universal table. : de en
  • CH172682A - Folding table. : de en
  • CH172886A - Television broadcast method. : de en
  • US1979011A - Disappearing carriage for aircraft : en
  • PL20461B1 - A method of catalytic oxidation and purification of organic compounds. : en pl
  • SU39453A1 - Device for transmitting electrical energy to mobile current receivers : en ru
  • US1978431A - Process of producing nitrites : en
  • USD93736S - Design for an air-cooled penholder : en
  • ES135048A1 - An improved device for circulating the glass through the collection tanks of the glass oven. : en es
  • DE1316421U - : de
  • FR772621A - Process for the manufacture of compositions comprising chlorinated rubber and synthetic plastics : en fr
  • US1978621A - Process for partial oxidation of hydrocarbons and the like : en
  • DE605083C - A system of clamps pressed into place between the housing jacket and the metal frame body of electrical alternating current machines : de en
  • DK49444C - Supply device for the blanks in screw cutting machines and similar machines. : da en
  • FR772603A - Safety device for tanks containing air-alterable liquid : en fr
  • GB419147A - Improvements in or relating to electrical heat-radiating panels : en
  • US1978552A - Automatic volume control : en
  • DE594287C - Electric inclination scale : de en
  • US1978877A - Berry picker's sack : en
  • ES135549A1 - Improvements in the molding machines for plastic substances. : en es
  • FR772434A - Automatic speed change for variable speed motion transmission : en fr
  • AU1437833A - Improvements in and relating to tentering machines for use inthe treatment of fabric : en
  • CA345691A - Rubber thread manufacture : en fr
  • AU1239133A - A process for impermeabilizing or fixing pervious or loose subsoil layers, such as sand soils or sand masses, and for impermeabilizing porous masonry andother stony materials : en
  • CH172704A - Rotary agitator for vacuum cleaner. : en fr
  • CH172951A - Process for the preparation of 5-chloro-7-methylisatin-a-chloride. : de en
  • PL20560B1 - Mechanical igniter for projectiles. : en pl
  • US1979117A - Electric cable clamp : en
  • GB418626A - Improvements in and relating to sheet feeding means : en
  • AU1723534A - Improvements in or relating toa method of modifying the properties of rubber surfaces : en
  • SU39042A1 - The method of using waste sulfite cellulose liquor for the purpose of fermentation : en ru
  • SU39674A1 - Grab-trap : en ru
  • US1978445A - Cylinder grinding tool : en
  • US1978447A - Process for the preparation, separation, and purification of salts, salt solutions, and other solutions : en
  • ES135371A3 - A procedure for obtaining lime tartrate. : en es
  • FR772691A - Improvements to metal cleaning products : en fr
  • SU39107A1 - The method of obtaining antipyrine : en ru
  • SU39281A1 - Method of making electrical conductors : en ru
  • DE604862C - Process for the production of rail sleepers for points : de en
  • DE605093C - Device for practicing the method for testing metals, especially welded workpieces, by bending test bars : de en
  • GB418870A - Improvements in or relating to door-closing apparatus : en
  • CH172878A - Electric counting device. : de en
  • DE605004C - Outlet tap : de en
  • ES135393A1 - Machine for placing funds and lids on hollow bodies already made of paper, cardboard and similar materials. : en es
  • CA345689A - Dipped rubber article manufacture : en fr
  • US1979112A - Remote control system : en
  • GB418630A - Improved means for supporting articles of crockery from shelving and for like purposes : en
  • GB418632A - Improvements in card filing and sorting cabinets : en
  • SU39451A1 - Statistics machine : en ru
  • US1978717A - Rake mechanism : en
  • CH172752A - Method and device for setting light. : de en
  • US1978880A - Production of complex metal compounds of ortho-hydroxyazo dyestuffs : en
  • US1979186A - Lock : en
  • DE605081C - Choke coil for compensation of the earth fault current : de en
  • ES135419A1 - An apparatus for copying lenticular lattice films. : en es
  • SU39705A1 - Method of cutting sugar heads : en ru
  • US1978532A - Hard rubber handle for knives, forks, or like articles and method of making the same : en
  • US1978808A - Machine for sawing nuts and the like : en
  • US1978838A - Cleaning and polishing machine : en
  • US1979035A - Automatic monitoring system : en
  • FR772555A - Support frame, in particular for devices for permanent waves : en fr
  • PL20518B1 - Photographic film magazine. : en pl
  • SU39640A1 - Adaptation to traversing machines to break the second thread when one of them breaks : en ru
  • SU39083A1 - Furnace for burning flotation tailings : en ru
  • SU39553A1 - Optical compensator for biprojector : en ru
  • US1978824A - Production of ketones : en
  • SU39546A1 - Photo camera for film shots : en ru
  • ES135285A1 - An improved process, and its corresponding special machine, for cutting paper and other similar materials. : en es
  • GB418805A - Improvements relating to the manufacture of rugs, carpets and pile fabrics : en
  • GB418917A - Improvements in and relating to control systems for electric motors : en
  • SU39040A1 - Safety valve for drilling in fantasy wells : en ru
  • US1978636A - Shelf bracket construction : en
  • US1978657A - Singling preventer : en
  • US1978398A - Gas-pressure regulator : en
  • ES135538A1 - An indirect heating cathode for electric discharge tubes. : en es
  • SU39181A1 - Automatic brake for railway trains : en ru
  • SU39441A1 - Ice gauge : en ru
  • DK49453C - Cash magazine for Selvladevaaben. : da en
  • US1978968A - Corn harvester : en
  • GB418756A - Improvements in or relating to machine guns : en
  • FR772593A - Regulator device : en fr
  • GB418620A - Improvements in or relating to mouthpieces for telephones, microphones and the like : en
  • GB418942A - Improved method of protecting goods against vermin and insects : en
  • GB418858A - Improvements in or relating to lay-figures for garment displays : en
  • ES135514A1 - A footwear manufacturing process. : en es
  • GB418617A - Improvements in submersible pumps : en
  • ES135451A3 - A procedure for the cinematographic composition of projected and real images. : en es
  • GB418779A - Improvements in process of treating combustible gas : en
  • DE604804C - Device for palpating metallic foreign bodies in tissues : de en
  • US1978755A - Manufacturing readily soluble basic dyes : en
  • US1979095A - Cylinder lock : en
  • US1979146A - Grinding wheel spindle : en
  • FR772512A - Advanced reflector device applicable to alarms, signals, etc. : en fr
  • GB418798A - Improvements in or relating to processes of hydrolizing titaniferous solutions : en
  • DE604902C - Lock with a bolt drive that remains permanently in the housing : de en
  • FR772672A - Manufacturing process of alloys containing silicon : en fr
  • GB418693A - Improvements in or relating to pressure gauges : en
  • DE605070C - Portable device for plumbers to test the tightness of luminous gas lines : de en
  • DE605023C - Process for the production of enamel coatings : de en
  • GB418921A - Improvements relating to automatic weighing machines : en
  • GB418889A - Improvements in floor and roof constructions : en
  • ES135498A1 - Lighting device without shadows, suitable for surgery, especially eye surgery. : en es
  • FR772634A - Method and apparatus for the treatment of fuels : en fr
  • GB419290A - Improvements in polarised electric relays : en
  • GB418767A - Improvements in or relating to electric contact making devices particularly for motor controllers : en
  • US1978895A - Apparatus for rolling metal : en
  • US1978860A - Milk bottle holder : en
  • CH172715A - Method and device for loading an oven. : de en
  • CH172822A - Liquid fuel pump for internal combustion engine with mechanical injection. : en fr
  • CH172895A - Family Book. : en fr
  • GB418851A - Hair driers : en
  • GB418888A - Improved locking arrangement for nuts : en
  • GB418878A - Braking device for kinematographic targets : en
  • SU39165A1 - Device to prevent the derailment of trolleys of overhead roads when passing them through the pulleys : en ru
  • SU39569A1 - Method of making cranes : en ru
  • US1978815A - Harrow truck : en
  • US1978908A - Motor vehicle : en
  • SU39030A1 - Drum Electromagnetic Separator : en ru
  • SU39150A1 - A device for sucking metal out of a m : en ru
  • SU39617A1 - Guiding sound to the engine whistle : en ru
  • US1978639A - Heat reclaimer : en
  • US1978974A - Disk brake : en
  • US1979183A - Telephone receiver and transmitter assembly : en
  • ES135439A2 - ENGINE COOLING FOR AUTOMOBILE VEHICLES WITH REAR ENGINE : en es
  • GB418925A - Improved device for the mounting of engines : en
  • US1979065A - Method and means for reproducing the grain of wood on paper : en
  • US1979141A - Pipe joint and pipe joint gasket : en
  • USD93732S - Design for a crinkle surface nail file : en
  • PL20554B1 - Device for securing vaults and other rooms against burglary. : en pl
  • SU39093A1 - Method of desilicating alkali aluminate solutions : en ru
  • SU39187A1 - Crane operator type Westinghouse : en ru
  • US1979154A - Production of n-benzyl-paraaminophenol : en
  • SU39178A1 - Automatic rolling train coupling : en ru
  • ES135470A1 - Improvements introduced in the manufacture of electrical switches or switches. : en es
  • DE599581C - Process for the production of waxes and waxy substances : de en
  • FR772579A - Mechanical lifting device for sugar mill cones : en fr
  • ES135434A1 - Procedure of sterilization of liquids, by means of a process of emulsion of these with the insoluble metals or compounds of microbicidal properties and easy emulsifier. : en es
  • ES135557A3 - Process for the manufacture of alkaline hyposulfites or hydrosulfites. : en es
  • FR772580A - Oil heating installation, in particular for domestic appliances : en fr
  • ES134633A1 - A control system for automatic weighing devices. : en es
  • ES134733A3 - A procedure for the manufacture of waterproof fabrics. : en es
  • SU39077A1 - Extraction processing method for various types of natural solid raw materials : en ru
  • US1978577A - Ornamental radiator cap attachment : en
  • US1978584A - Coupler : en
  • SU39133A1 - A device for lifting a paper foot in a handset : en ru
  • SU39600A1 - Life saving device : en ru
  • SU39625A1 - Wire Enamelling Furnace : en ru
  • SU39112A1 - Method for preparing ethoxyphenylnigroanthranilic acid : en ru
  • US1978859A - Member for coupling vehicles together : en
  • US1979017A - Cotton cleaner : en
  • DE604860C - Device for the extraction in the mine : de en
  • DE604946C - Steering device for the front cart of agricultural machines : de en
  • DE604808C - Machine for casting stereotype plates or back-casting of galvanos : de en
  • FR772408A - Massage glove : en fr
  • GB418796A - Improved process for the manufacture of drop-bottles : en
  • PL20558B1 - Layout repeater. : en pl
  • GB418842A - Improvements in discharge nozzles for lubricators : en
  • DE604746C - Device for the manufacture of coil springs consisting of two wind tools : de en
  • DE604840C - Flag holder for hoisting flags : de en
  • DE604924C - Device for any readjustment of the counter shell to the supporting shell of an axle bearing : de en
  • ES135401A1 - PROCEDURE FOR THERMAL OBTAINING MAGNESIUM : en es
  • GB418688A - Improvements in thermally responsive electric switches : en
  • GB418636A - Heating of motor vehicles : en
  • GB418776A - Improvements in or relating to latch gear for folding wing aircraft : en
  • SU39113A1 - Ammonium Iodide Preparation Method : en ru
  • GB418833A - Improvements relating to ladies' corsets : en
  • SU39323A1 - Color Vision Testing Instrument : en ru
  • PL20490B1 - The method of storing energy in storage tanks of thermal systems connected with a heat engine, compressor and pumps. : en pl
  • PL20555B1 - : en pl
  • SU39222A1 - Coupling device for automatic telephone exchanges : en ru
  • US1979026A - Telegraph system : en
  • FR772474A - Process for manufacturing azo dyes containing copper : en fr
  • GB418844A - Improvements in and relating to elevating or storing apparatus for automobiles and like vehicles : en
  • USD93729S - Design for a service bar back : en
  • SU39572A1 - Light meter : en ru
  • US1979163A - Speed indicating device : en
  • DE605010C - Hand-held grinder : de en
  • GB418962A - A new and improved connecting-piece for the struts or braces of iron frameworks for mines : en
  • ES135356A2 - A LARGE SENSITIVITY SPOLET FOR ARTILLERY AND AVIATION PROJECTILES OR OTHER SIMILAR APPLICATIONS : en es
  • GB418825A - Improvements relating to electric starting apparatus of motor vehicle engines : en
  • FR772541A - New wandering piston engine : en fr
  • SU39583A1 - Electromagnetic Diaphragm Pump : en ru
  • US1978874A - Agricultural implement : en
  • SU39211A1 - Device for powering a two-winding brushless motor of an electric locomotive from a single-phase AC network : en ru
  • SU39556A1 - Adaptation to a cinema camera for stereoscopic shooting : en ru
  • DE604803C - Compressed air gas burner : de en
  • GB418683A - Improvements relating to electro-chemical recording : en
  • GB418702A - Interchangable heel top lift for shoes : en
  • PL20571B1 - A method of improving hydrocarbon products. : en pl
  • SU39564A1 - Frame for film slides : en ru
  • SU39289A1 - Method for reducing dibenzatron oxidation product and methylation of the resulting substance : en ru
  • US1979149A - Stop joint for liquid filled cables : en
  • US1978426A - Apparatus for electrical treatment of fluids : en
  • SU39561A1 - Maltese Cross Device : en ru
  • CH172655A - Entrance door lock with stop lever. : en fr
  • CH172708A - Final bandage for footwear. : de en
  • DE604916C - Booking engine : de en
  • GB418873A - Improvements in the manufacture and production of malleable iron : en
  • GB418764A - Improvements in four-stroke-cycle internal-combustion engines in which pairs of pistons are acted on by the same impulse : en
  • US1978609A - Welded manway for pressure vessels : en
  • FR772451A - improved straw elevator, especially for low-bed threshers : en fr
  • GB418597A - Method of reducing the permeability of articles and materials : en
  • DE605044C - Process for the production of sound-permeable projection surfaces : de en
  • ES134964A1 - Improvements in a lining or shoe for steam presses or irons. : en es
  • GB418757A - Improvements in or relating to the manufacture of goods of rubber or similar material : en
  • FR772543A - : fr
  • ES3026U - Sack lined with paper (Machine-translation by Google Translate, not legally binding) : en es
  • US1978883A - Ornament and method of making the same : en
  • GB418619A - Improvements in and relating to the automatic feeding of steel or other metals to rolling mills : en
  • ES135473A1 - Improvements in the construction and installation of modulated wave transmitter devices. : en es
  • US1979133A - Cross rolling machine : en
  • GB418698A - Improvements in or relating to rotative wing aircraft : en
  • FR772522A - Advanced safety razor blades : en fr
  • DE605092C - Device for testing safety gears : de en
  • US1978569A - Paper fastener : en
  • US1978687A - Clutch : en
  • US1978704A - Thermometry : en
  • US1978940A - Resilient block : en
  • FR772418A - Filing directory system : en fr
  • GB418829A - Improvements in and relating to tool and work holders for hand use : en
  • GB418884A - Improvements in and relating to tanks or containers : en
  • GB418964A - Improvements in electric discharge tubes : en
  • GB418704A - Improvements in and relating to colour boxes : en
  • SU39520A1 - The method of making silver foil : en ru
  • US1978468A - Bedpan : en
  • US1979034A - Amplifying system : en
  • FR772496A - Transportable cinematographic booth : en fr
  • DE605076C - Vice of a line casting machine : de en
  • DE604848C - Electromagnetic changeover switch with delay device : de en
  • CH172954A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • DK49454C - With devices for adjusting the forming and supporting rollers and the bands, a machine for cladding metal pipes is provided with a cement layer by helical application. : da en
  • ES134914A1 - IMPROVEMENTS IN PORTABLE WATER SWEETERS : en es
  • US1979180A - Adjustable and detachable handle connection : en
  • DE1316825U - : de en
  • USD93740S - Design for a lamp shade : en
  • SU39050A1 - Adaptation to rejection machines for fabrics for trapping foreign objects : en ru
  • GB418708A - Improvements in or relating to wireless aerials : en
  • GB418938A - An improved wood-wool pad, more particularly for use in the treatment of floors : en
  • CH172676A - Blanket. : de en
  • CH172679A - Adjustable seating and reclining furniture. : de en
  • CH172816A - Two-stroke carburetor engine with crank chamber scavenging pump. : de en
  • DE605069C - Device for automatically switching off the heating medium supply to cookers : de en
  • US1979148A - Joint for electric cables : en
  • CA345654A - Fluid pressure brake : en fr
  • CA345603A - Railway car roof : en fr
  • CH172841A - Electric drive device for cutting, cleaning or polishing tools used for personal hygiene. : de en
  • US1979192A - Suspension system for motor road vehicles : en
  • CH172868A - X-ray machine with a supporting wall reinforced by profile end strips. : de en
  • US1979028A - Pawl and ratchet mechanism : en
  • US1979045A - Printing device : en
  • US1979107A - Radio apparatus : en
  • DE605002C - Irrigation device moving back and forth on a suspension cable : de en
  • GB418690A - Improvements relating to adjustable struts : en
  • GB418953A - Improvements in methods for protecting surfaces : en
  • SU39421A1 - Method and device for measuring colors and expressing them in digital values : en ru
  • FR772626A - Process and installation for the preservation of food, food, etc. : en fr
  • ES134300A1 - A special textile technical process for the use of chenilles of velvety cord to manufacture fabrics for upholstery and decoration. : en es
  • ES135458A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • US1979103A - Automatic control for refrigerators, etc. : en
  • US1979114A - Remote indicating system : en
  • FR772480A - Improvements to hooks for attaching bracelets to watches and the like : en fr
  • GB418654A - Device for the operation of internal combusion engines with a heavy volatile and a light volatile liquid fuel : en
  • GB418815A - Improvements in the suspension of engine and gearbox for motor driven locomotives : en
  • DE605052C - Device for picking up and setting down aircraft on ships : de en
  • USD93709S - Design for a shoe : en
  • US1978596A - Container : en
  • US1978794A - Dehydrator having gas pocket : en
  • US1978976A - Manufacture of lead tubes and cable sheaths : en
  • FR772483A - Drawbridge : en fr
  • DE605086C - Cathode ray tubes for maximum voltages : de en
  • CH172791A - Pneumatic vibrator. : en fr
  • CA345709A - Sprinkler alarm mechanism : en fr
  • FR772527A - Monolithic vault : en fr
  • GB418689A - Improvements in or relating to detachable lids of containers : en
  • DE605043C - Electric sound recorder : de en
  • BE408000R - Wheel control devices for high-speed locomotives : en fr
  • CH172809A - Device for the production of fruit juices. : de en
  • CH172745A - Corrugated cardboard shipping box. : de en
  • DE604886C - Mold for the production of models for the casting of artificial teeth with a core : de en
  • DK49468C - Wrapping for Bicycles. : da en
  • GB418930A - Improvements in and connected with apparatus for applying treads to the covers of pneumatic tyres : en
  • ES135380A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • SU39603A1 - Machine for grinding the circumference of the tractor and automotive asbestos clutch discs : en ru
  • US1978441A - Variable displacement pump : en
  • US1978853A - Brush : en
  • US1978663A - Electrical and mechanical brake control mechanism : en
  • DE604849C - Circuit for total current generation : de en
  • DE604905C - Process for the production of lightweight building materials : de en
  • SU39599A1 - Towing hook for ships : en ru
  • US1978511A - Car axle driving mechanism : en
  • SU39660A1 - The method of soldering natural acid-resistant stones : en ru
  • SU39703A1 - The method of extracting juice from sugar beet : en ru
  • FR772470A - New dyes of the dioxazine series and their preparation process : en fr
  • DE604906C - Device for tensioning and locking, especially the wire ends of a metal tire for packages : de en
  • FR772677A - Assembly for the control of electrical lines of signaling devices : en fr
  • ES135396A1 - Improvements in closures or hydrostatic valves, especially in siphon evacuation devices. : en es
  • GB418596A - Improvements in or relating to modulated carrier wave transmitters : en
  • SU39402A1 - Sliding caliber : en ru
  • US1978887A - Folding extension rule : en
  • US1979167A - Flue cleaner : en
  • US1979094A - Knock-down heat bath appliance : en
  • SU39591A1 - Car unloading device : en ru
  • CH172892A - Device for generating an advertising effect. : de en
  • CH172694A - Conical cheese cone. : de en
  • DE575546C - Process for the production of a special wort : de en
  • CA345690A - Rubber thread manufacture : en fr
  • CH172922A - Gear change mechanism, in particular applicable to a bicycle. : en fr
  • DE604748C - Process for purifying water : de en
  • FR772558A - Tensioner for electric conductor cords and other similar articles : en fr
  • PL20500B1 - Double-walled, heated brick house. : en pl
  • US1978988A - Self sharpening safety razor : en
  • US1979048A - Sound producing apparatus : en
  • CH172950A - Process for the preparation of 5-bromo-4,7-dimethylisatin-a-chloride. : de en
  • DE605019C - Process for loosening welded-on support plates from the sleeper by separating the weld seam in a die : de en
  • US1978905A - Illuminating compact : en
  • SU39080A1 - Method of casting into lumps of sulfur lumps : en ru
  • US1979071A - Engine : en
  • US1979121A - Method for treating textile goods of any description : en
  • GB418657A - A device for holding razor blades during sharpening : en
  • GB418719A - Improved method of preparing silk stencils : en
  • PL20568B1 - Method of removing iron from acidic aluminum salt solutions. : en pl
  • SU39592A1 - Device for self-shifting automobiles when slipping the drive wheels : en ru
  • US1978960A - Grip strap or toggle : en
  • DE604959C - Track assembly for vehicles : de en
  • DE605834C - Process for the production of high speed steels of the usual composition with a higher vanadium or cobalt content or vanadium and cobalt content : de en
  • CA345673A - Cellulose ester product : en fr
  • CH172661A - Fixed device for bringing liquids into contact with gases, in particular for cleaning flammable gases. : de en
  • PL20493B1 - Crate for transporting goods. : en pl
  • SU39290A1 - The method of separation of indophenols and the use of the latter to obtain sulfur dyes : en ru
  • SU39334A1 - Method of making dental bridges : en ru
  • CH172926A - Steering device for central buffer couplings. : de en
  • CH172829A - Cable connection for two-pole glow plugs. : de en
  • CH172929A - Method and device for preventing ice formation and the accumulation of snow on track systems, especially switches. : de en
  • CA345708A - Wallboard manufacture : en fr
  • CH172718A - High degree alcohol manufacturing process. : en fr
  • DE599829C - Wire roller made of steel wire in screw form for military obstacles and police barriers : de en
  • GB418871A - Improvements in handles for brushes and dusting mops : en
  • GB419010A - Manufacture and application of products useful as assisting agents in the textile and leather industries : en
  • PL20483B1 - An airplane with freely rotating curtains. : en pl
  • SU39191A1 - The method of movement of refrigeration steam locomotives by screw thrust : en ru
  • DE604930C - Articulated tongue swivel chair for railway switches : de en
  • SU39197A1 - Device for signaling the incision of a hydraulically centralized arrow : en ru
  • SU39300A1 - Shaft furnace for burning peat : en ru
  • SU39336A1 - Instrument for determining the individual characteristics of the structure and articulation of the jaws : en ru
  • US1978518A - Method of combustion : en
  • US1978411A - Mechanism for knitting runproof or run-resistant knitted fabric : en
  • US1979153A - Card or sheet feeding mechanism : en
  • CA345728A - Eyeglass : en fr
  • US1978451A - Jack : en
  • US1978798A - Tube paste dispenser and valve closure therefor : en
  • CA345729A - Phonograph : en fr
  • CH172763A - Device for attaching ice skates, roller skates and ice spurs provided with heel clips to shoes. : de en
  • CH172935A - Sport and utility boat. : de en
  • CH172974A - Hay, grain and goods unloading device. : de en
  • CH172920A - Brake operating device on a bicycle. : de en
  • SU39406A1 - Parts tester with angled parts : en ru
  • CA345577A - Brush : en fr
  • CH172646A - Grid-like covering made of cast iron or another cast alloy for driveways and the like. : de en
  • DE605042C - Measuring table with interrupted work surface for the storage of parallel surfaces limited bodies for length measurements : de en
  • US1978796A - Method and apparatus for the manufacture of rubber thread : en
  • SU39450A1 - A device for indicating the distance traveled by a locomotive or electric locomotive : en ru
  • US1978938A - Eliminator : en
  • SU39584A1 - Air pump for deep wells : en ru
  • US1979108A - Furnace : en
  • SU39283A1 - Electric oven : en ru
  • US1978923A - Composition board : en
  • PL20508B1 - The method of refining all products from raw materials of plant origin. : en pl
  • US1979054A - Signaling system : en
  • US1979099A - Bus support : en
  • USD93730S - Design for an airplane : en
  • SU39341A1 - Ampoule for antiseptic substances : en ru
  • GB418781A - Power-unit mountings : en
  • GB418800A - Pneumatic mattress : en
  • CH172685A - Machine for pastry shops, bakeries, kitchens, etc. : de en
  • DK49466C - Suspension device for seating and reclining furniture of all kinds. : da en
  • GB418758A - Improvements in endless chain conveyor means : en
  • GB418793A - Improved case or container for the storage and display of separate articles : en
  • CH172741A - Process for degassing and aeration of wastewater to be treated biologically. : de en
  • CH172893A - Apparatus for projecting images or advertising texts. : en fr
  • SU39203A1 - Device for braking the train out of the way : en ru
  • SU39663A1 - The method of supplying sludge in a rotary kiln : en ru
  • US1978756A - Machine for manufacturing capsules : en
  • US1978801A - Classifier : en
  • US1979131A - Trim panel : en
  • US1979135A - Sprayer : en
  • CH172864A - Safety device on gas burners to prevent gas escaping if the flame is accidentally extinguished. : de en
  • FR772637A - : fr
  • FR772686A - Improvement of bags and other packaging made of cellulose film or the like : en fr
  • ES135495A1 - An improvement in the manufacture of wooden wheels for bicycle wheels, motorcycles, tricycles or any other kind of vehicle. : en es
  • FR772690A - Process for keeping roasted coffee, possibly ground, in a permanent state of freshness : en fr
  • PL20541B1 - A device for copying two- or three-color images into a raster film. : en pl
  • CH172817A - Internal combustion engine. : en fr
  • ES135400A1 - A silencing device applicable to all types of firearms, explosion engines and the like. : en es
  • ES135526A1 - New procedure for the manufacture of granulated soda. : en es
  • DE604957C - Ejection device for an auxiliary parachute : de en
  • DE604977C - Washing device with agitator and washing disc : de en
  • ES134679A1 - A procedure to carry out industrial alcoholic fermentation, in order to increase the yield in alcohol. : en es
  • GB418610A - Improvements relating to hand cranks for wringers : en
  • IE13240L - Detector circuits : en
  • SU39063A1 - Adaptation to the extractor door for dispensing coke to the quencher car : en ru
  • US1979069A - Chain repair link : en
  • US1978973A - Electric clock : en
  • GB419288A - Improvements in door locks : en
  • CA345641A - Feedback amplifying circuit : en fr
  • CH172781A - Method and device for peeling raw parts. : en fr
  • FR772492A - Soap dispenser : en fr
  • AU1274633A - Fabrics and articles of footwear made therefrom : en
  • CH172768A - Recoil gun. : de en
  • SU39038A1 - Device for pressing sealing rings for dry gas tank pistons to the tank wall : en ru
  • SU39190A1 - A device for the movement of railway carts : en ru
  • FR772467A - Torpedo without wake : en fr
  • GB418895A - Improvements in or relating to variegated surfaces and display materials or devices and the production thereof : en
  • ES135368A1 - Improvements introduced in the air suction valves. : en es
  • ES135361A1 - Improvements in the construction of batteries of electric accumulators for automobiles and other vehicles of mechanical movement. : en es
  • SU39246A1 - Span control device : en ru
  • SU39437A1 - Method for analyzing dolomites : en ru
  • ES135565A1 - A new device applicable to cinematographic devices for the projection of films of different width and pitch. : en es
  • FR772439A - Manufacturing process of concentrated rubber latex : en fr
  • FR772550A - Plow : en fr
  • GB418896A - Improvements in steam boilers : en
  • GB418957A - Improvements in or relating to sockets or holders for thermionic valves and the like : en
  • FR772431A - Process for the production of chlorine rubber : en fr
  • FR772471A - Transformer for converting three-phase current to two- or four-phase current : en fr
  • SU39543A1 - Panoramic photographic camera for stereoscopic shooting : en ru
  • SU39683A1 - Method of softening liquid water : en ru
  • DE603445C - Television receiver with a spiral perforated disc and a light tube connected to it : de en
  • DE604962C - Grinding and polishing machine for processing flat surfaces : de en
  • USD93703S - Design fob an inflatable mattress : en
  • DE604781C - Continuously controllable fluid transmission, consisting of a differential pump connected between the driving and driven shaft and a free-jet turbine that is fed by it and acts on the driven shaft : de en
  • DE605046C - Milking bucket lid : de en
  • FR772460A - Floor system eliminating timbering and execution formwork : en fr
  • GB418612A - Hand operated device for cutting wire, metal band, strip, and the like : en
  • FR772520A - Showcase for the exhibition of foodstuffs or other perishable substances : en fr
  • GB419449A - Improvements in or relating to radio transformers : en
  • DE604990C - Thread extraction machine with a special clamping foot : de en
  • SU39026A1 - Apparatus for the enrichment of asbestos rock : en ru
  • US1978686A - Fluid pressure operated blower for cleaning the tubes of steam generators and the like : en
  • ES135482A1 - A clutch procedure applicable to shin and coil machines, especially the so-called cops. : en es
  • FR772458A - Ventilation device applicable to containers for liquids, such as barrels of wine, cider, and their equivalents : en fr
  • GB418655A - Improvements in and relating to methods of manufacturing insulating materials : en
  • US1979204A - Gripper for hosiery strippers : en
  • ES135520A1 - A new procedure to wrap oranges and other fruits mechanically. : en es
  • FR772411A - Improvements in the detection of weak electric currents : en fr
  • FR772604A - Method and apparatus for remaking grooves on used vehicle rubber tires : en fr
  • GB418652A - Method and device for insulating electrical conductors : en
  • FR772423A - Advanced gyroscopic instrument for air navigation and similar applications : en fr
  • PL20525B1 - The method of dyeing in the past. , : en pl
  • SU39390A1 - The method of preparation of fiber looms : en ru
  • PL20538B1 - A device for exchanging data. : en pl
  • SU39492A1 - Oiler : en ru
  • US1978564A - Brake drum : en
  • FR772521A - Safety device against overloading of the lifting surfaces of airplanes during flight : en fr
  • ES135519A1 - A process for making potassium sulfate. : en es
  • GB418932A - Improvements in or relating to electron discharge tubes : en
  • SU39601A1 - Device for setting the ship in motion : en ru
  • US1978885A - Dispensing can : en
  • SU39411A1 - Device for measuring the distance between the axes of parallel holes : en ru
  • US1978509A - Process for magnetic separation of emulsions : en
  • US1979126A - Process of treating chemicals and apparatus therefor : en
  • DE604868C - Drive for paper rolls in printing machines or the like, in particular rotary printing machines : de en
  • US1979150A - Feeding joint : en
  • US1978597A - Liquid dispenser : en
  • US1979082A - Electric heater : en
  • US1979162A - Starting mechanism : en
  • DE604693C - Calendar clock : de en
  • PL20479B1 - Automatic gun. : en pl
  • CH172961A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • SU39255A1 - Device for automatic shutdown of electric motor : en ru
  • SU39527A1 - Individual electric drive for sewing machines : en ru
  • SU39554A1 - Optical compensator for film projector : en ru
  • US1979025A - Statfs patfnt offiff : en
  • PL20486B1 - Kfc 47 b, d. Cage for fights. : en pl
  • FR772446A - Device for recording the distance traveled on foot : en fr
  • SU39075A1 - Filtration rate regulator : en ru
  • US1978506A - Catalytic oxidation of organic compounds and catalyst therefor : en
  • US1979178A - Shower pipe for suction rolls : en
  • SU39523A1 - Fork : en ru
  • PL20548B1 - Electric mining lantern. : en pl
  • US1978831A - Slidable faucet valve : en
  • US1979156A - Apparatus for making shaped articles : en
  • GB418965A - Wheel set for rail vehicles having fixed and loose wheels : en
  • US1978689A - Sealing means : en
  • SU39575A1 - The method of applying scales for grids photographic : en ru
  • PL20484B1 - Electric luminous lamp, especially for advertising and signaling purposes. : en pl
  • SU39693A1 - Weaving device for locking the shuttle in the shuttle box : en ru
  • US1979088A - Variable speed power transmission mechanism : en
  • US1979181A - Direct disk braking device : en
  • FR772568A - Liquid shock absorber for vehicle suspension : en fr
  • FR772649A - Automatic switching system for varying the direction and speed of rotation of a motor using a relay sensitive to very low currents : en fr
  • GB418749A - Improvements in or relating to remote control or transmission devices : en
  • DE601986C - Wind power machine with a multi-cylinder air compressor with reciprocating working pistons, which are switched on and off one after the other by a centrifugal regulator : de en
  • DE604802C - Safety device for gas tongues provided with a double safety device : de en
  • FR772462A - High frequency signaling system : en fr
  • ES135515A1 - A new system of seeder machine, especially for beet and legumes. : en es
  • FR772511A - Chlorinated rubber solutions : en fr
  • ES135490A1 - Blue flame oil burner. : en es
  • GB418827A - Production of dyes on the fibre : en
  • FR772507A - Injection pump without valve for internal combustion engine : en fr
  • GB418848A - Improvements in appliances for fitting cotters to valves : en
  • SU39056A1 - Bilateral movable cutting machine for fabrics : en ru
  • US1978517A - Gas burner : en
  • US1978680A - Hydraulic transmission : en
  • ES135436A1 - Process for manufacturing tanks or boots for liquids, especially wines. : en es
  • SU39082A1 - The method of processing of acid tar : en ru
  • US1979140A - Cutting-off machine : en
  • FR772641A - Improvements in letters of correspondence (letters-addresses, envelopes-addresses) intended to be sent by post : en fr
  • US1979036A - Monitoring system for push-pull amplifiers : en
  • FR772428A - System for cutting beets and similar products into chips : en fr
  • GB418941A - Process for the improvement of motor fuels having a tendency to the formation of pitchy residues : en
  • FR772566A - Process for the disintegration of cocoa, using lime : en fr
  • FR772681A - Advanced Dry Cell Cell Device : en fr
  • FR772616A - Navigation device : en fr
  • ES135147A1 - An automatic system of signaling, control of situation and march of the railroads. : en es
  • FR772422A - Probe for the introduction of coloring agents into the flour : en fr
  • GB418671A - Improvements in photographic cameras for three and four-colour photography : en
  • ES135508A1 - A percussion fuze. : en es
  • FR772529A - Flexible metal molds with telescopic interlocking forming floor formwork : en fr
  • ES135358A1 - A new drive system applicable to boats and aircraft. : en es
  • GB418716A - Change speed gearing : en
  • GB418631A - Improvements in systems for the selective control of remote apparatus, more particularly for centralised traffic controlling installations : en
  • SU39557A1 - Stereoscopic Cinematography Apparatus : en ru
  • US1978545A - Method of making leather : en
  • US1978661A - Wireless receiving device : en
  • US1979021A - Control apparatus for liquid fuel burners : en
  • US1979118A - Coal stoker : en
  • US1978490A - Mixer : en
  • US1978772A - Combined cleaning and cut-off device in gasification burners : en
  • US1979033A - Process for the manufacture of nsulphoethyl compounds of arylamino sulphonic acids : en
  • DE605096C - Method for the post-synchronization of acoustic presentations to image or image and sound recordings : de en
  • FR772419A - Fumivorous device : en fr
  • FR772578A - Improvements to return screws for tables or similar : en fr
  • FR772668A - Containers with special closures intended, in particular, for storing foodstuffs : en fr
  • DE605088C - Forceps-like device for surgical purposes, in particular for fastening bandages together : de en
  • SU39173A1 - Uniaxial carriage : en ru
  • SU39235A1 - Device for measuring signal strength or interference : en ru
  • CA345725A - Signalling system : en fr
  • US1978406A - Treating surfaces of fibrous materials : en
  • USD93705S - Design fob a cabinet : en
  • USD93752S - Design for a bottle : en
  • PL20529B1 - Cigarette tube. : en pl
  • SU39606A1 - Shot count : en ru
  • US1978693A - Modulation : en
  • US1978916A - Solenoid : en
  • CA345713A - Cathode ray oscillograph : en fr
  • DK49449C - Bucket attachment for Gas or Steam turbines. : da en
  • GB418600A - Improvements in or relating to the manufacture of a compound of caffeine and quinine : en
  • DE604882C - Electric stove with one or more hotplates with live parts that are not accessible from the outside and a switching device : de en
  • ES135390A1 - Automatic vertical air filling device for injecting air into the thoracic cavity. : en es
  • DE604825C - Articulated link chain, in particular for electrical illumination or advertising lighting, the hinge-like interlocking joints of which form light bulb sockets : de en
  • SU39627A1 - Turntable table for coloring : en ru
  • ES135362A1 - WHEEL SUSPENSION, PARTICULARLY FOR AUTOMOBILE VEHICLES : en es
  • US1978750A - Gearless gauge construction : en
  • CH172706A - Holder for ties. : de en
  • DE604743C - Spinning and twisting device : de en
  • USD93731S - Design for an airplane : en
  • ES2610Y - Indicator signs of urban traffic. : en es
  • SU39345A1 - Inhalation device : en ru
  • SU39412A1 - The device for marking the Archimedean spiral on eccentric blanks for automatic machines : en ru
  • SU39286A1 - Mechanism for automatic feeding of electrode wire during electric arc welding : en ru
  • US1979143A - Device for cleaning passages : en
  • US1979207A - Carton filling machine : en
  • SU39027A1 - A device for extracting gold from ores and sands using amalgamation : en ru
  • US1979031A - Method of and composition for coating dolls : en
  • FR772546A - : fr
  • FR772562A - Timed control device for the protection of power lines by staggered tripping times : en fr
  • SU39646A1 - Paper airplane model : en ru
  • FR772656A - Improvements to ampoules or discharge tubes : en fr
  • DE586682C - Arrangement for heating parts of the body : de en
  • USD93738S - Design foe an oijla cover : en
  • FR772540A - Improvements to leather bands for caps, hats, etc. : en fr
  • FR772544A - Lamp holder for fitting a vase or other hollow and translucent object into an electric lighting device : en fr
  • GB418823A - Improvements in or relating to shoe inseam sewing machines : en
  • US1978917A - Sewing machine : en
  • US1978983A - Stapling machine : en
  • DE590022C - Device for automatic lowering of the chain : de en
  • DE605056C - Light liquid separator with flow barrier : de en
  • US1978980A - Clothespin : en
  • ES134702A1 - Braun tube. : en es
  • SU39661A1 - Method for producing salt glaze on pottery : en ru
  • US1978437A - Fluid compressor for aircraft brakes : en
  • US1979015A - Steel alloy : en
  • US1979137A - Manufacture of sodium carbonate, ammonium chloride, sodium nitrate, and hydrochloricacid : en
  • US1979238A - Tunnel lining : en
  • DE604820C - Voltage-dependent regulating device for regulating the voltage of an alternating or direct current generator : de en
  • SU39677A1 - Scraper conveyor : en ru
  • SU39081A1 - The method of purification of sulfur, which is a waste of production, from impurities of sulfur chloride : en ru
  • SU39653A1 - Method of stuffing sleeves with tobacco and cigarette machine : en ru
  • GB418723A - A manufacture of primary diterpene-alcohols : en
  • GB418786A - Hydraulic binder : en
  • ES135483A1 - A process for making artificial sponge in the form of plates. : en es
  • SU39433A1 - Stand for testing glass blowing devices : en ru
  • SU39499A1 - Gear gear : en ru
  • US1978814A - Shaft coupling : en
  • US1978826A - Apparatus for handling textile yarns : en
  • US1978414A - Fractional distillation : en
  • USD93724S - Design for a bottle : en
  • SU39389A1 - The method of deodorization of thio-rubber : en ru
  • US1978428A - Grinder for cylindrical surfaces : en
  • GB418760A - An improved device for removing and replacing sparking plugs of internal combustion engines : en
  • US1979179A - Metal spraying apparatus : en
  • CA345720A - Motor cooling system : en fr
  • CH172762A - Ski with a running part made of light metal alloy. : de en
  • SU39134A1 - Electric typewriter : en ru
  • SU39622A1 - Device for drawing from life : en ru
  • US1978600A - Permeability-tuned resonant circuit : en
  • PL20475B1 - Lounges on wheels, easily adaptable to anti-aircraft fire. : en pl
  • CA345600A - Net line setting device : en fr
  • CH172770A - Device for measuring a displacement. : en fr
  • CH172838A - Method for insulating electrical winding parts. : de en
  • US1978407A - Fabric : en
  • US1979037A - Dynamic multiplier : en
  • CH172632A - Rakes, especially for use in gardens. : de en
  • CA345564A - Alloy steel casting : en fr
  • CA345630A - Alloy : en fr
  • GB418663A - Improvements relating to power transmitting mechanism : en
  • SU39059A1 - The method of obtaining waterproof tissue : en ru
  • US1978845A - Wheel truing machine : en
  • CA345586A - Variable speed mechanism : en fr
  • CH172687A - Hot water bottle. : de en
  • CH172785A - Heatable supplement for veneering. : de en
  • PL20485B1 - A device for regulating the voltage applied to electric lamps, motors or other electric consumers powered by alternating current. : en pl
  • SU39060A1 - Brush shoe processing machine : en ru
  • SU39327A1 - Rahiotom : en ru
  • SU39333A1 - Stamping machine for making seamless dental crowns : en ru
  • US1978558A - Automatic weighing machine : en
  • US1978881A - Alkali salts of adenyl-pyrophosphoric acids : en
  • USD93754S - Design for a radiator ornament : en
  • US1978523A - Electrical apparatus for automotive vehicles : en
  • SU39352A1 - Centrifugal method of pouring bearing inserts : en ru
  • SU39374A1 - Water tube boiler for central heating systems : en ru
  • US1978638A - Film retaining means : en
  • USRE19357E - Gearing fob washing machines : en
  • SU39322A1 - Dental mirror heating device : en ru
  • SU39097A1 - Benzyl cellulose purification method : en ru
  • CH172797A - Sleeve spring. : de en
  • CH172896A - Sales letter. : de en
  • SU39105A1 - The method of separation of a mixture of 6-methoxy 8-aminoquinoline and 6-methoxy 8-diethyl-aminopropylaminoquinodine : en ru
  • US1979230A - Receptacle closure : en
  • SU39058A1 - The method of obtaining washing powder : en ru
  • SU39662A1 - Method of making lining of shaft furnaces : en ru
  • US1979234A - Hopper car : en
  • SU39576A1 - The method of applying scales or grids photographically on the conical, spherical or hyperbolic surfaces of various blanks : en ru
  • US1978888A - Cotton harvester : en
  • US1978999A - Transmission hoist : en
  • US1979106A - Apparatus for treating cinematograph films : en
  • CH172960A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • CA345584A - Oil or reagent feeder : en fr
  • CA345585A - Lamp : en fr
  • CA345693A - Rubber coating method : en fr
  • CH172678A - Deck chair with removable towel. : de en
  • DE604863C - Full ring brush : de en
  • SU39073A1 - Record Keeper : en ru
  • SU39443A1 - A device for sampling water and soil from the bottom of reservoirs : en ru
  • US1978488A - Draft regulator : en
  • US1978788A - Thermostatically controlled fan : en
  • CH172814A - Rotary pump with volumetric variations. : en fr
  • CH172924A - Rail vehicle with internal combustion engine that is charged by a compressor driven by the exhaust gases. : de en
  • PL20543B1 - A device for photos and reproductions on rolled sheets. : en pl
  • GB418794A - Improvements in electric discharge tubes with rotary anodes : en
  • PL20467B1 - A method and device for the direct conversion of the potential gas pressure energy of a medium into mechanical work or, on the principle of reversibility, of mechanical work into the potential pressure energy of this medium by means of compression and the use of this device for combustion turbines. : en pl
  • SU39384A1 - Method of making finely porous technical rubber : en ru
  • CA345568A - Reciprocating pump : en fr
  • CH172665A - Arrangement for leading out the heating conductor ends from tubular heating elements embedded in cast material and method for producing the same. : de en
  • CH172786A - Dowel hole drilling machine. : de en
  • CH172775A - Method for determining the power factor for a maximum load occurring during a certain time interval in AC systems using two periodically simultaneously controlled meters, one measuring active consumption and the other measuring reactive consumption. : de en
  • CH172899A - Lids on packaging items, in particular barrels made of peeled, plywood and Forssman wood. : de en
  • PL20470B1 - A piston for the storage of anhydrous gases. : en pl
  • SU39166A1 - Two-wheeled car with two wheels located at the ends of the car : en ru
  • CH172701A - Drum washing machine with electric drive. : de en
  • CA345602A - Stove pipe scraper : en fr
  • CH172696A - Process for the production of a leno fabric with figures binding double-thread canvas and leno fabric produced by the process. : de en
  • CH172956A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • US1978945A - Apparatus for the distillation of coal : en
  • SU39376A1 - A device for controlling the rotational speed of a fan rotated by a turbine on a chimney : en ru
  • SU39379A1 - Clamp for blanks in the manufacture of a cylindrical saw brush blocks : en ru
  • BE405114A - Improvements to automatic train running control devices : en fr
  • DE604958C - Movable, removable carrying handle along a carriage spring of motor vehicles for attaching a jack : de en
  • DE604950C - Device for bleaching pulp or the like. : de en
  • CA345700A - Chair : en fr
  • GB418609A - Improvements in or relating to a method of and means for manufacturing strips of belt lacing hooks : en
  • BE405431A - : en
  • SU39455A1 - Pneumatic Seed Form : en ru
  • US1978996A - Method of and means for producing ingots : en
  • PL20517B1 - The method of producing printing plates. : en pl
  • SU39274A1 - Device for powering three-electrode electric mercury lamps : en ru
  • SU39463A1 - Cotton harvesting machine : en ru
  • SU39070A1 - Peat Coagulation Method : en ru
  • SU39146A1 - The method of sintering ores : en ru
  • US1978971A - Hand bag and hand bag cover : en
  • BE405386A - : en
  • CA345684A - Coupon ticket printing machine : en fr
  • IE13288L - Vertically rising aircraft : en
  • DE604968C - Drying drum with perforated jacket for drying damp fabrics in tape form : de en
  • US1978732A - Trenching machine : en
  • SU39678A1 - Devices for braking trolleys on an inclined path : en ru
  • ES134411A1 - A new, fast and economic procedure for the repair and construction of shoe soles by means of rubber midsole with solid toe and heel in its external curve and loose assembly piece that sticks to the sole. : en es
  • US1978585A - Floor and roof construction : en
  • US1978829A - Method and apparatus for drying capsules : en
  • ES135379A1 - Improvements in the variable pitch propellers. : en es
  • SU39507A1 - Method of etching ferrous metals : en ru
  • CH172887A - Braun tube for generating large-format television pictures of more than 3 cm in height. : de en
  • SU39102A1 - The method of producing tetra-methyl-thi-ramidisulfide : en ru
  • SU39639A1 - Adaptation to the gear drive from the main shaft of the banbrosh to the bobbin shaft to protect the sweat of the teeth breakage when a foreign object hits : en ru
  • US1978418A - Concentric return multiconductor cable : en
  • US1978944A - Gun sight : en
  • GB418904A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • CH172636A - Device for capturing insects, such as flies, mosquitoes, etc. : en fr
  • CH172851A - Switchgear to be attached to a wall with a rectangular, removable cover. : de en
  • GB418717A - Improvements in ventilators : en
  • GB418955A - Improvements in devices for vacuumizing and closing preserving jars and like receptacles : en
  • US1978906A - Wheel flange and rail lubricator : en
  • GB418691A - Improvements relating to the packing of tea and other like materials : en
  • ES135415A1 - Procedure for the manufacture of cement inalterable to water. : en es
  • ES135503A1 - APPARATUS TO HEAR OR PERCEIVE FROM A DISTANCE THE FOG SIGNALS OF THE SHIPS AND ANY OTHER KIND OF SOUNDS OR NOISES : en es
  • FR772665A - Improvements to convertible vehicles : en fr
  • US1978676A - Soluble ink fountain pen : en
  • SU39153A1 - Shutter to heating or smelting furnaces : en ru
  • US1978861A - Machine for producing tobacco portions of uniform size : en
  • US1979040A - Ski : en
  • CH172769A - Mechanical artillery projectile rocket. : en fr
  • ES135359A1 - Improvements introduced in the manufacture of security locks. : en es
  • GB418680A - Device for drilling non circular holes : en
  • GB418936A - Improvements in and relating to means for regulating the current transmission of grid controlled discharge valves : en
  • CH172735A - Process for the production of a new vat dye. : de en
  • CH172944A - Device for loading the creel on winding machines. : de en
  • US1979170A - Driving mechanism : en
  • US1978864A - Operating mechanism for feeding apparatus for liquids : en
  • US1978528A - Electric converter for luminous tubes : en
  • US1978603A - Diaphragm valve : en
  • US1978618A - Leg setting apparatus : en
  • CH172919A - Process for the production of bicycle frames with frame tubes made of light metal and bicycle frames produced by this process. : de en
  • FR772536A - Universal rolling mill : en fr
  • GB418579A - Improvements in and relating to electric starting devices for internal combustion engines : en
  • DE604828C - Isolation vessel : de en
  • ES134969A1 - Improvements in the construction of a lining or shoe for presses or ironing boards by steam. [GOES TO UTILITY MODEL No. 3105]. : en es
  • CH172664A - Combined cooking, heating and lighting device. : de en
  • US1978733A - Trenching machine : en
  • GB418777A - Improvements in and relating to epicyclic variable speed transmission mechanism : en
  • GB419135A - Improvements in or relating to fluid pumps and motors : en
  • CH172909A - Device for protecting motor vehicles against theft or unauthorized use. : de en
  • GB418856A - Improved construction of show card or display stand : en
  • GB418946A - Improvements relating to the manufacture of rubber insulated cables : en
  • SU39409A1 - Spline Shaft Checker : en ru
  • US1978871A - Excrement receptacle : en
  • US1978513A - Track wrench : en
  • US1978803A - Method and apparatus for the manufacture of rubber thread : en
  • US1979044A - Cigarette vending machine : en
  • SU39031A1 - Electromagnetic Sepator : en ru
  • US1978548A - Toy : en
  • DE605024C - Boiler stove made of concrete with iron inserts : de en
  • FR772617A - Improvements to hydraulic transmissions : en fr
  • GB418867A - Improvements in or relating to electron discharge tubes or electric incandescent lamps : en
  • SU39399A1 - Instrument for determining the thickness of a layer applied to a metal product : en ru
  • SU39552A1 - Fixture for shutter release : en ru
  • SU39091A1 - The method of obtaining potassium nitrate from ammonium nitrate and potassium chloride : en ru
  • US1978624A - Primary cell : en
  • US1978766A - Knitted cap : en
  • US1978952A - Device for tabulating machines : en
  • US1979039A - Building : en
  • US1978619A - Production of acetone from ethyl alcohol : en
  • US1978931A - Tabulating machine : en
  • SU39604A1 - Tool for pressing the rail onto the board : en ru
  • US1978697A - Adjusting device : en
  • US1978768A - Gasifying of animal and vegetable matter : en
  • US1978813A - Rubber composition and process of making the same : en
  • DE604805C - Oven for laundry u. like kettle : de en
  • DK49464C - Device for Combustion of Liquid Fuel. : da en
  • SU39167A1 - Rope clamp : en ru
  • SU39391A1 - The method of obtaining resinous products : en ru
  • SU39438A1 - Aspirator for gas sampling : en ru
  • CH172906A - Body. : de en
  • US1978422A - Method and apparatus for the manufacture of tubes : en
  • US1979090A - Bus clamp : en
  • ES135268A1 - A machine that distributes objects. : en es
  • GB418910A - Improvements in or relating to curtain-operating mechanism : en
  • DE604984C - Anchoring insulator for electrical lines with intermittent tensile loads : de en
  • ES135429A1 - Hair winding device for permanent wave devices. : en es
  • DE604996C - Rudder dynamometer : de en
  • FR772635A - Heater-gasifier for heavy fuels intended for powering engines : en fr
  • GB418750A - Improvements in and relating to furnaces for boilers and the like : en
  • GB418780A - Improvements in or relating to method of and apparatus for testing gears of helical type : en
  • US1979172A - Rip strip key and attaching means for containers : en
  • DE605027C - Smoldering furnace : de en
  • CA345664A - Cleaning composition : en fr
  • DE605049C - helicopter : de en
  • ES134841A1 - Improvements in the construction of exterior covers for cables. : en es
  • ES2611Y - Announcement poster. : en es
  • SU39408A1 - An instrument for checking the position of cranks and counter-crank of the driving wheel pairs of locomotives : en ru
  • SU39426A1 - Method for investigating the movement of bottom ice : en ru
  • US1978530A - Hand brake : en
  • US1979210A - Door mounting : en
  • FR772409A - Process for the manufacture of hard bodies intended for the constitution of cutting tools and equipment for its implementation : en fr
  • FR772499A - Improvements to pressure glass molding machines : en fr
  • ES135522A1 - PROJECTION APPARATUS : en es
  • DE604817C - Fluid switch : de en
  • DE604997C - Sleeve, especially for laboratory stands : de en
  • GB418633A - Improvements in and relating to electric rectifier installations : en
  • GB418875A - Improvements in or relating to the treatment of textile fibres : en
  • GB418928A - Improvements in or relating to cigarette cases : en
  • GB418860A - Improvements in or relating to cycle and like lamps : en
  • US1979089A - Cup dropping machine : en
  • ES135376A1 - A method for spreading liquid coating compositions. : en es
  • DE605059C - Brake reverser, which is brought into the driving position by means of electrical drive means and into the braking position by means of an energy storage device, especially for electrically powered vehicles : de en
  • BE405133A - : en fr
  • CH172742A - Process to make the surface of aluminum and aluminum alloys unalterable and hard. : en fr
  • SU39331A1 - Medical Thermometer Shaking Device : en ru
  • FR772596A - Hand crank mechanism with automatic locking for sliding windows : en fr
  • US1978787A - Trimming apparatus : en
  • US1978879A - Drilling machine : en
  • US1979116A - Manufacture of hydroxydiphenyls : en
  • ES135423A1 - A perfected system fumivore device. : en es
  • SU39666A1 - Molding device to rotary machines for forming and packing doughy mass : en ru
  • US1978479A - Breaker-point dresser : en
  • SU39131A1 - Method of making typographic clichés from alabaster or cement : en ru
  • ES135391A1 - Procedure for separating impurities and fats that remain in suspension by melting the types of press used. : en es
  • CA345597A - Ship hull : en fr
  • CA345655A - Brake lever mounting : en fr
  • CH172721A - Device for obtaining a dry substance from solutions, emulsions and suspensions. : de en
  • FR772698A - Improvements in billiards games : en fr
  • CH172945A - Process for the production of a ribbed warp knitted fabric on a single-needle warp knitting machine. : de en
  • DE604846C - Schuetzenwaechterschere : de en
  • SU39321A1 - The method of preparation of the recovery bath to precipitate the viscose solution : en ru
  • GB418937A - Improvements in and relating to strip index devices : en
  • ES135068A1 - An electromagnetic procedure to avoid fraud in electrical installations. : en es
  • SU39076A1 - The method of preparation of filter surfaces : en ru
  • US1978519A - Roofing construction : en
  • DE604858C - Concave mirror that can be placed on the burner head of cookers and stoves and surrounds the burner head : de en
  • FR772464A - Stabilizer for vehicles : en fr
  • FR772577A - Improvements to suspenders for pants, garters and more : en fr
  • FR772624A - Improvements concerning the articulation of the box elements by means of jumpers linked together : en fr
  • FR772687A - Closed circuit heating system with counterflow water drive : en fr
  • FR772695A - Improvements in sorting dry materials : en fr
  • GB418762A - Improvements in or relating to the joining of articles of rubber or the like : en
  • GB418914A - Improvements in screw fastenings : en
  • CA345662A - Metal vapour lamp : en fr
  • BE405046A - IMPROVEMENTS TO REINFORCEMENTS BY HOT WRAPPING : en fr
  • SU39125A1 - Blade for revolving steam engines : en ru
  • CH172639A - Covering plate for floors, especially in cattle stalls and commercial rooms. : de en
  • CH172730A - Process for the preparation of a monoazo dye. : de en
  • FR772659A - Camera with automatic aperture : en fr
  • CA345574A - Leaf spring : en fr
  • CA345594A - Carbonyl compound and alcohol : en fr
  • DE604903C - Snap lock with locking pin and a corresponding hole part : de en
  • US1978709A - Expansion valve regulating mechanism for refrigerating systems : en
  • CH172743A - Process for treating parts of aluminum or aluminum alloys with a view to making them suitable for receiving adherent metal coatings by electroplating. : en fr
  • CH172839A - Device for cooling electrical machines with windings located in slots. : de en
  • CH172930A - Electric traction equipment with electric braking with compound motors. : en fr
  • DE604818C - Completely encapsulated unit of a ring busbar switchgear for high voltage : de en
  • US1978631A - Gummed paper and tape : en
  • CH172649A - Air conditioning system. : de en
  • SU39631A1 - Wool waste cleaning machine : en ru
  • US1979218A - Flexible container and applier : en
  • CH172962A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • CH172959A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • CA345649A - Aircraft direction finding system : en fr
  • CH172914A - Rim for bicycle wheels and the like. : en fr
  • PL20566B1 - : en pl
  • SU39020A1 - Sealing gasket for capsular bottle closures : en ru
  • US1978474A - Continuous winding mechanism : en
  • CA345590A - Wheeled toy : en fr
  • CA345656A - Piston rod collar : en fr
  • CH172700A - Device for holding the free end of balls of yarn, wool and the like. : de en
  • GB418765A - Improvements in or relating to regenerative braking systems for electric motors : en
  • CH172821A - Device with an electromagnetically controlled valve, especially for machines with internal combustion like the diesel process. : de en
  • CH172693A - Device for unwinding thread spools. : de en
  • CH172856A - Method for the control of multi-phase electrical discharge devices by means of control grids. : de en
  • US1978534A - Wireless receiving system : en
  • US1978721A - Nozzle for washing bottles : en
  • USRE19354E - Photographic bath : en
  • SU39363A1 - Parachute for mine cages : en ru
  • CH172843A - Electrical cable system. : de en
  • CA345610A - Game : en fr
  • CH172850A - Alarm protection. : de en
  • CH172888A - Method and device for modulating the intensity of a sharply focused electron beam. : de en
  • SU39243A1 - Release clip : en ru
  • US1979142A - Refrigerator : en
  • SU39465A1 - Device for stump clearing using a stop lever : en ru
  • US1978581A - Alternating current motor : en
  • SU39193A1 - Device for cleaning the railway track from ice : en ru
  • CH172799A - Friction clutch, in particular for work machines and gears. : de en
  • CA345646A - Refrigerating machine : en fr
  • SU39511A1 - Machine for cutting tapered threads on carbon electrodes : en ru
  • CH172867A - Absorbable suturing and ligating material and method of making the same. : de en
  • GB418785A - Burner for gas stoves : en
  • GB418909A - A new or improved container for pills or tablets : en
  • SU39048A1 - Layout tool for serial die dies : en ru
  • CH172726A - Process for the preparation of an oxypyrene. : de en
  • US1978556A - Device for producing changing inscriptions : en
  • US1978612A - Liquid-tight stator winding for a submersible electric motor : en
  • US1979125A - Mechanism for operating metallurgical furnace doors : en
  • DK49455C - Procedure for catalytic pressure hydration of carbonaceous materials. : da en
  • SU39126A1 - Steam distributor for direct-acting compounding machines : en ru
  • US1978907A - Illuminating unit : en
  • US1979049A - Package for safety pins and the like : en
  • US1979203A - Reserve supply for gasoline tanks and the like : en
  • SU39021A1 - Centrifugal Classifier : en ru
  • CA345726A - Signalling system : en fr
  • PL20526B1 - Cigarette tube. : en pl
  • US1978726A - Centrifugal ore separator : en
  • US1978753A - Dispensing nozzle for gasoline or the like : en
  • US1978771A - Immersion roll : en
  • USD93698S - Design fob a spoon ob similar abticle : en
  • CH172753A - Clip for tank pen holder, mechanical pencil or other object. : en fr
  • SU39456A1 - Squared for square and chess sowing with nested valve-type apparatuses : en ru
  • FR772448A - Burglary alarm device : en fr
  • CH172966A - DC generator for constant current. : de en
  • PL20498B1 - A method for producing fine gas and an apparatus for carrying out the method. : en pl
  • CH172710A - Running part on ski boots. : de en
  • DE604917C - Process for the manufacture of silica stones : de en
  • CA345717A - Lens cutting machine : en fr
  • SU39395A1 - Method and apparatus for uniform deposition of auxiliary metals on the carbide component of the charge for sintering hard alloys : en ru
  • CH172650A - Process for improving binders, in particular hydraulic binders. : de en
  • CA345705A - Telephone system : en fr
  • US1979226A - Light-sensitive apparatus : en
  • DE595822C - Device for recording and reproducing sound films : de en
  • SU39452A1 - Punching device in perforation cards for calculating-analytical machines : en ru
  • SU39694A1 - Regulator for feeding the base to the weaving machine for the manufacture of metal grids : en ru
  • US1978449A - Charging plug : en
  • SU39464A1 - Pneumatic device for transporting grain in sorts : en ru
  • SU39468A1 - Apparatus for animating greny : en ru
  • US1978598A - Synthetic resin and method of producing : en
  • CH172827A - Double magneto. : de en
  • CH172964A - Music stand designed for use on the march. : de en
  • CH172967A - DC generator for constant current. : de en
  • CH172830A - Carburetors for gasoline and other fuels with a lower specific weight than water. : de en
  • US1978841A - Roof : en
  • US1978868A - Treatment of gutta percha, balata, and like thermoplastic natural and artificial products and the manufacture of molded articles therefrom : en
  • US1978898A - Printing device : en
  • US1979225A - Means and method of measuring distance : en
  • SU39270A1 - Device for visual observation of the operation of various electromagnetic mechanisms using an oscilloscope : en ru
  • SU39637A1 - Electromagnetic device for spinning watts to cut off the roving when the thread breaks : en ru
  • SU39544A1 - Aerial processing device : en ru
  • PL20474B1 - Device signaling a drop in air pressure in the rim of a car wheel. : en pl
  • USD93716S - Design for a bathtub : en
  • DE604919C - Device for distributing air or gases in liquids : de en
  • DE604995C - Objective nosepiece for microscopes : de en
  • GB418759A - Improvements in or relating to television and like apparatus : en
  • SU39425A1 - Device for automatic temperature control : en ru
  • US1979134A - Conveying and straightening apparatus : en
  • CH172673A - Flower stick frame to be attached to window sills, balcony parapets, etc. : de en
  • FR772425A - Grinding machine with grinding wheel advance mechanism : en fr
  • FR772622A - Reversible inkwell : en fr
  • CH172872A - Process for the preparation of an asymmetric arsenic compound. : de en
  • PL20535B1 - Press for beet pulp and sugar cane. : en pl
  • US1978990A - Apparatus for power transformation : en
  • CA345667A - Separable fastener : en fr
  • GB418729A - Improvements in holders for table- and other articles : en
  • US1978508A - Process of repurifying carbon dioxide gas : en
  • ES135077A1 - Improvements in the manufacture of pneumatic wheels for automobiles and motor vehicles in general. : en es
  • GB418949A - Improvements in or relating to machines for serving gummed tape or labels : en
  • GB418608A - Improvements in and relating to firelighters : en
  • ES135528A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES135521A1 - A method of manufacturing metal handles for containers in the form of animal silhouettes. : en es
  • GB419065A - Improvements relating to projection apparatus primarily for advertising : en
  • ES135293A3 - Improvements in the manufacture of car horns. : en es
  • FR772432A - Hydraulic weighing device : en fr
  • GB418869A - Improvements relating to the manufacture of veneered wood panels : en
  • DE605097C - Use of the conveyor system for milk and liquid milk products according to patent 602873 in tank trucks for general purposes : de en
  • SU39702A1 - Hydro power installation : en ru
  • SU39461A1 - Cabbage harvester : en ru
  • ES134827A1 - New procedure for manufacturing devices to hold the handles to the brushes. : en es
  • GB418939A - An improved method for the separation of mixtures of liquid and solid constituents : en
  • US1978668A - Method of determining geological structure : en
  • ES134851A1 - Improvements in the manufacture of saquerío. : en es
  • FR772404A - Air mattress : en fr
  • GB418893A - Improvements in shears for cutting metal plates : en
  • ES135450A1 - A POOL TABLE COMBINED WITH ANOTHER EXTENDABLE : en es
  • CH172826A - Fuel injection device for internal combustion engines. : de en
  • GB418601A - Improvements in and relating to power installations : en
  • US1978749A - Heat recovery and washing system for sulphite pulp : en
  • US1978782A - Window : en
  • CH172947A - Laundry centrifuge. : de en
  • GB418724A - Improvements in or relating to cylindrical roller bearings : en
  • GB418951A - Improvements relating to tubulous steam generators : en
  • CA345744A - Article holder : en fr
  • SU39657A1 - Dinas production method : en ru
  • US1978855A - Electric motor : en
  • DE604782C - Device on stringed instruments for resilient support or attachment, in particular metal strings : de en
  • DE604873C - Hand stamp : de en
  • SU39157A1 - Trolley for transporting rails and railway sleepers to the place of laying : en ru
  • SU39477A1 - Internal combustion engine : en ru
  • FR772658A - Winder drum : en fr
  • DE604836C - Automatic fire extinguishing system : de en
  • DE604981C - Heat exchange device, the wall of which separating the heat exchange means is enlarged by ribs : de en
  • ES135524A1 - A mechanical shear coupled to an automatic bending machine. : en es
  • US1978632A - Acoustical construction : en
  • US1978886A - Mechanism for cleaning windshields or the like : en
  • DK49447C - Automatic firearm for firing both with normal ammunition and with practice ammunition of smaller caliber. : da en
  • GB418647A - Improvements in and relating to electric circuit controlling devices : en
  • SU39171A1 - Self-unloading wagon with trough : en ru
  • SU39679A1 - Device for rafting logs : en ru
  • DE604943C - Corner connection of the frame parts for tables, chairs, etc. like : de en
  • CH172711A - Shoes, in particular for sports purposes. : de en
  • CH172747A - Accounting typewriter. : de en
  • GB419061A - Improvements in or relating to mechanism for carrying or releasing loads from aircraft : en
  • ES135474A2 - IMPROVEMENTS IN THE CONSTRUCTION OF AFUSTS FOR CANONS OR MACHINE GUNS : en es
  • CA345591A - Animal raw material conservation : en fr
  • CH172862A - Arrangement for controlling alternating current incandescent light lighting systems, in particular for stage lighting purposes. : de en
  • ES135261A1 - An improvement in the manufacture of stockings, socks and knitwear in general. : en es
  • SU39559A1 - Color Filming Machine : en ru
  • ES135505A1 - PROCEDURE TO RAISE THE WETTING POWER OF MERCHING BLEACH : en es
  • FR772491A - Diagram of a protection device comprising rocking resistance relays : en fr
  • CH172729A - Process for the production of a new azo dye. : de en
  • SU39161A1 - Ballast sand blower for raised sleeper : en ru
  • SU39087A1 - Method of absorbing nitrogen oxides resulting in waste from nitration : en ru
  • FR772469A - Automatic control device for double folding plows or other similar applications : en fr
  • FR772414A - Device for automatic connection of accumulator batteries to a charging circuit : en fr
  • GB418927A - Magneto electric machines especially for internal combustion engines : en
  • US1978559A - Process of making printing surfaces : en
  • US1978616A - Liquid cooler : en
  • ES135050A1 - Improvements in the manufacture of electric capacitors. : en es
  • ES135372A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • SU39496A1 - Combined Worm Transfer : en ru
  • US1978950A - Fly swatter : en
  • ES134653A1 - A new method of producing and operating illuminated samples. : en es
  • ES135404A1 - An electro-mechanical machine for shoe cleaning. : en es
  • GB418959A - Improvements in or relating to dialysing apparatus of the filter press type : en
  • GB419361A - Improvements in and relating to the manufacture of cyanine dyes and their use in photography : en
  • DE604844C - Device for drying and pretreating loose textile fibers : de en
  • GB418967A - Improvements in and relating to the fixing of bristles in brush and broom stocks : en
  • DE604852C - Process for the operation of ovens, furnaces and sintering devices according to the principle of intermittent combustion : de en
  • ES135377A1 - A machine for spreading liquid coating compositions, especially aqueous dispersions of gum and the like. : en es
  • FR772440A - Aviation and artillery observation instrument : en fr
  • FR772444A - Marble and artificial stones and process for their manufacture : en fr
  • DE604834C - Violin holder : de en
  • DE604952C - Photographic camera : de en
  • ES135375A1 - A new production system for a light hydrocarbon gas mixture. : en es
  • GB418726A - Method of and apparatus for burning low-grade fuels, especially refuse : en
  • GB418810A - Improvements in thermally-controlled electric short-time switches : en
  • DE604797C - Device for regulating physical processes : de en
  • DE587918C - Method and device for comparing any columns of several table sheets : de en
  • SU39127A1 - Swing steam distribution valve for steam engines, and in particular for locomotive engines : en ru
  • SU39574A1 - Copy machine : en ru
  • CH172969A - DC generator for constant current. : de en
  • ES134889A3 - Continuous diffusion procedure for the depletion of fruit pulps and their analogues. : en es
  • GB418791A - Means for locking the bonnets of motor vehicles : en
  • SU39234A1 - Device for managing settings : en ru
  • US1978575A - Embossing machine : en
  • US1979161A - Multiple expansion engine : en
  • US1978865A - Extensible rod or pole : en
  • DE604986C - Discharge tubes with glow electrodes heated by the discharge and gas or steam filling : de en
  • SU39160A1 - Ballast thrower from under rail : en ru
  • US1978635A - Jar cap : en
  • AU1731334A - Improvements in or relating to multiple way cocks with axially movable cylindrical distribution, more particularly adapted for machines forthe preparation of express coffee : en
  • CH172637A - Roof covering made of bricks provided with protective ribs. : de en
  • FR772401A - Automatic cutting pattern plotter : en fr
  • FR772453A - Improvements to motive power production facilities : en fr
  • BE405335A - Lighting installation : en fr
  • CH172865A - Bunsen burner. : de en
  • GB418918A - Improvements in or relating to electric fuses : en
  • ES135388A3 - Manufacturing process of chains for bicycles and motorcycles. : en es
  • GB418604A - Improvements in and relating to shouldered metal tubes for wireless valves and the like : en
  • GB418824A - Improvements in or relating to the production of printing surfaces : en
  • PL20487B1 - Locking mechanism of automatic firearms. : en pl
  • ES134986A1 - IMPROVEMENTS IN POWDERED ALLOY PREPARATIONS FOR DENTAL AMALGAMS : en es
  • CA345632A - Motor starting system : en fr
  • ES134825A1 - Safety device for liquid dispensers and dispensing devices provided with this device. : en es
  • ES135536A1 - A new fumigator device. : en es
  • PL20556B1 - Method and device for regulating the flame in liquid fuel burners. : en pl
  • US1979029A - Brake control : en
  • US1979092A - Insulator : en
  • FR772570A - Improvements to hydraulic shock absorbers and thermostatic control devices : en fr
  • SU39117A1 - The method of obtaining orthoamidophenol : en ru
  • DE605060C - AC system, consisting of underexcited power plant generators that work on lines with high charging power, and inductors connected in parallel to the lines : de en
  • DE605087C - Procedure for jarring oils : de en
  • FR772652A - Rotary machine system usable as compressor pump or heat engine : en fr
  • US1978775A - Metal feeder : en
  • DE604960C - Machine for soldering tin cans in a vacuum : de en
  • ES135409A1 - A procedure for washing clothes dry. : en es
  • ES135543A1 - CONTROL TAP FOR CONTINUOUS AUTOMATIC COMPRESSED AIR BRAKE : en es
  • ES3012U - Vessel or metal container perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • GB418711A - Improvements in or relating to wireless receiving sets and the like : en
  • ES135194A1 - IMPROVEMENTS INTRODUCED IN THE GAS METERS WITH MEASURING WHEEL : en es
  • SU39195A1 - Device for electrical control of arrows : en ru
  • US1978493A - Vacuum printing element holder : en
  • US1978740A - Method of manufacturing can bodies : en
  • ES134675A3 - A procedure for the manufacture of plastics. : en es
  • DE604706C - Tiltable foundry for flat stereotype plates with a melting pot attached to the lower plate : de en
  • DE604829C - Process for the distillation of zinc and similar metals : de en
  • US1978476A - Movable, constant-orientation mapboard : en
  • FR772466A - Improvements to appliances used for dyeing, washing, etc. : en fr
  • GB418625A - Improvements in or relating to coupling devices for use in connection with scaffolding and the like : en
  • USD93746S - Design fob a lamp shade : en
  • GB418623A - A method of and an apparatus for simultaneously manufacturing brocades and pattern cards : en
  • FR772556A - Process and machine for the production of pasta : en fr
  • GB419442A - Improvements in or connected with electric signs : en
  • GB418696A - Method and device for measuring values which can be represented by linear extensions : en
  • DE604908C - Gearbox bearings for watches and like : de en
  • DK49446C - Thermal Torque Switch for Installation in or Mounting on electrically heated cooking and heating appliances, e.g. electric Iron. : da en
  • US1978681A - Process of abrading : en
  • US1978742A - Hydraulic brake : en
  • US1978939A - Universal joint : en
  • FR772405A - Device for determining the direction of a moving goal : en fr
  • GB418834A - Improvements in and relating to journal packings for gas-meters : en
  • GB418947A - An improved device for composing alternative solutions for crosswords or picture puzzles : en
  • FR772549A - Straight warp knitting loom : en fr
  • GB418783A - Improvements in or relating to variable speed gearing : en
  • GB418615A - Improvements in or relating to protective control systems for electric motors : en
  • FR772694A - Method and switching device for damped servo-control of an electric motor : en fr
  • SU39037A1 - Crash Clasp : en ru
  • FR772605A - Pipe connection : en fr
  • GB418602A - Improvements in or relating to electrical oscillation generators : en
  • CH172771A - Pressure measuring device. : en fr
  • CH172921A - Vehicle hub with internal brake. : de en
  • US1978743A - Door and window opening tool : en
  • US1978773A - Asphalt spreader : en
  • CH172958A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • CH172776A - Electrodynamic loudspeaker. : de en
  • SU39504A1 - Method of making safety liquid from kerosene to coat electrolyte during chrome plating : en ru
  • US1978510A - Electrical cable connecter socket and contacts : en
  • US1978651A - Tuning indicator for radios : en
  • US1979187A - Catalytic treatment of organic and inorganic substances : en
  • AU1617034A - Improvements in or relating tothe production of copper from copper sulphide ores : en
  • CH172662A - Electric devices for cooking, frying or baking. : de en
  • US1979046A - Process and apparatus for recovering and processing by-products at a coal distillation plant : en
  • US1979216A - Heat treatment chamber : en
  • SU39071A1 - Book binding : en ru
  • SU39353A1 - The method of obtaining calibrated holes, for example, in drawing glasses : en ru
  • SU39041A1 - Method for producing biochemical comorious yeast protein : en ru
  • SU39045A1 - Method of rolling hollow rails : en ru
  • US1978817A - Mercury switch : en
  • US1978893A - Tabulating machine : en
  • US1979086A - Rotary copper-plate printing press : en
  • USD93748S - Design for a lamp shade : en
  • CA345601A - Snap hook : en fr
  • GB418694A - Improvements in or relating to pliers : en
  • GB418747A - Improvements in devices for transmitting movements from one point to another : en
  • ES135469A3 - Manufacturing process of rubber sheets lined with silk fabrics or similar. : en es
  • GB418787A - Improvements in or relating to automatic or semi-automatic telephone or like systems : en
  • CA345567A - Ore flotation : en fr
  • CH172656A - Air motor. : en fr
  • CH172881A - Double counter for the separate counting of single and multiple charges in telecommunications systems. : de en
  • US1978425A - Ball gyroscopic compass : en
  • US1978759A - Axle level : en
  • US1979174A - Handle of golf clubs and the like : en
  • DE604892C - Method for the simultaneous playback or re-recording of two sound recordings : de en
  • SU39305A1 - Device for supplying fuel to the furnace : en ru
  • US1978820A - Manufacture of leuco indigo : en
  • US1979195A - Cam : en
  • ES135392A1 - A process for the manufacture of threads and other long articles of rubber. : en es
  • FR772420A - Method and device for the production of printing-ready cliché plates intended for printing machines : en fr
  • GB419062A - Improvements in the manufacture and production of condensation products : en
  • SU39135A1 - Paper feeder for writing machines : en ru
  • US1978466A - Signal selecting circuit : en
  • US1979151A - Manufacture of alkali carbonate or alkali hydroxide : en
  • GB418885A - Improvements in or relating to cutting or stamping presses : en
  • DE604815C - Device for automatic securing of the coupling connected to the automatic central buffer coupling for steam lines, compressed air lines and power cables on railway vehicles : de en
  • SU39332A1 - Functional maxillary article tor : en ru
  • DE604855C - Process for annealing cores : de en
  • DE604883C - Rotary kiln : de en
  • US1979000A - Lasting footwear : en
  • SU39428A1 - Fabric testing machine : en ru
  • US1978520A - Refrigerating apparatus : en
  • US1978692A - Magneto : en
  • DE600740C - Folding photographic camera with spring-loaded kink spreader bars hinged to the floor and camera housing : de en
  • DE604877C - Protective device for high-voltage networks provided with earth leakage coils and summation current transformers : de en
  • DE604954C - Foldable, split spindle nut : de en
  • DE605094C - Impeller, rope roll or the like : de en
  • GB418862A - Manifolding apparatus : en
  • DE605026C - Device for smoldering fuels : de en
  • CH172860A - Electrically heated glass melting furnace. : de en
  • US1978857A - Razor blade holder : en
  • US1978975A - Positive friction clutch : en
  • US1978487A - Receptacle opener : en
  • US1979104A - Method of making a spray nozzle : en
  • SU39220A1 - Letterpress Telegraph : en ru
  • SU39046A1 - Device for making thin-walled radiator tubes : en ru
  • CH172861A - Electrically heated bright annealing furnace. : de en
  • US1978844A - Marine anchor : en
  • US1979013A - Rolling of stranded electrical conductors : en
  • FR772478A - Multi-row, self-orienting roller bearing with one or more guide rings interposed between the rows of rollers : en fr
  • SU39267A1 - Device for detecting damaged cable : en ru
  • PL20527B1 - A device for moving a mechanical loom. : en pl
  • SU39367A1 - Bridge crane : en ru
  • SU39486A1 - Power installation using the difference of water temperature over ice and atmospheric air : en ru
  • US1978590A - Wrench joint : en
  • US1978854A - Air cooling system : en
  • CH172891A - Apparatus for advertising and signage. : en fr
  • SU39098A1 - The method of converting starch benzyl ester to non-meltable and insoluble state : en ru
  • US1978858A - Water gate : en
  • GB418813A - Improvements in or relating to machines for mounting safety razor blades on a strip or the like : en
  • DE604878C - Reactive power machine of asynchronous design : de en
  • FR772447A - Illuminated signaling nail : en fr
  • DE604948C - Automatic adjustment device for a gear unit that executes a certain stroke : de en
  • US1978777A - Sulphone-morpholine compounds of the amino-anthraquinone series : en
  • US1978421A - Tape pulling device : en
  • US1978472A - Incinerator : en
  • US1978696A - Ignition apparatus : en
  • FR772651A - Snap-action mechanism for tumbler-type switches and the like : en fr
  • GB418692A - Improvements in or connected with winding systems and in or connected with cold storage and delivery plant : en
  • ES135464A2 - AN ELECTRIC DISCHARGE TUBE : en es
  • FR772456A - Lung breathing mask : en fr
  • GB418642A - Improvements in and connected with electric resistances : en
  • GB418799A - Improvements in windows : en
  • SU39261A1 - A device for supplying DC with several synchronized asynchronous motors : en ru
  • US1979010A - Cutting apparatus : en
  • SU39519A1 - Pa lnik : en ru
  • US1978432A - Ruffling mechanism : en
  • SU39460A1 - Potato harvester with rotating cylindrical drum : en ru
  • SU39655A1 - Method of preparation of portland cement : en ru
  • US1978786A - Coloration of textile materials : en
  • US1978656A - Pressure-cooker valve : en
  • US1978780A - Leer loader : en
  • US1979144A - Production of polynaphthyl ethers : en
  • USD93726S - Design fob a badge or similar article : en
  • SU39052A1 - Device for laying yarn tapes in piles : en ru
  • SU39310A1 - Air condenser : en ru
  • SU39632A1 - Hand cleaning machine : en ru
  • SU39643A1 - Device for water condition : en ru
  • US1979185A - Apparatus for the final refining of benzols washed with acid : en
  • ES135463A1 - A procedure to reinforce jute footwear, especially espadrilles. : en es
  • ES2574Y - A new container for table service applicable as a salt or sugar shaker or to contain other similar powdery substances : en es
  • GB418728A - Improvements in boxes having hinged lids or covers and in methods of and apparatus for making the same : en
  • PL20522B1 - Sealing for suction boxes of paper machines or the like and the method of its production. : en pl
  • US1979147A - Apparatus for cleaning beer coils or other pipes : en
  • CA345623A - Tobacco stemming machine : en fr
  • CH172647A - Street pounding machine. : de en
  • US1978673A - Tire changer stand : en
  • CA345592A - Advertising apparatus : en fr
  • SU39560A1 - Mechanism for pulling films without perforations : en ru
  • SU39035A1 - Flotation unit : en ru
  • SU39282A1 - Heating resistance for electric ovens : en ru
  • SU39532A1 - Light advertising device : en ru
  • US1978764A - Thermionic valve system : en
  • US1978947A - Time controlled circuit controller : en
  • PL20481B1 - Electrodynamic speaker. : en pl
  • SU39447A1 - A device for solving rectangular triangles : en ru
  • US1978735A - Sandwich toaster : en
  • CH172854A - Cathode ray tube. : de en
  • SU39568A1 - Method of making photosensitive plates : en ru
  • US1978688A - Motor-generator assembly : en
  • US1978582A - Belt drive : en
  • US1979139A - Furnace : en
  • CH172885A - Process for the transmission of optical processes. : de en
  • PL20533B1 - The surface treatment of workpieces is made of zinc or iron. : en pl
  • SU39375A1 - Adaptation to steam heat exchangers for the release of air evolving during steam condensation : en ru
  • US1978989A - Seam protecting device for cloth shearing machines : en
  • PL20464B1 - Machine for grinding helical gear wheels. : en pl
  • SU39159A1 - Device for driving crutches into sleepers : en ru
  • SU39208A1 - Device for telephone communication between the control and executive posts : en ru
  • SU39670A1 - Method of hydraulic transportation of loose goods : en ru
  • USD93734S - Design fob a moistener : en
  • US1979191A - Cooling system for automobiles : en
  • CA345612A - Electrical cut-out : en fr
  • SU39340A1 - Creolin preparation method : en ru
  • US1979058A - Engine : en
  • DE604799C - Turning tool for the cylindrical or conical part of profile grinding wheels : de en
  • SU39316A1 - Kenorah processing machine : en ru
  • SU39495A1 - Transmission between two parallel shafts : en ru
  • US1978565A - Ice cream cabinet : en
  • CA345593A - Metal rolling method : en fr
  • CH172739A - Match waxing and dunking machine. : de en
  • DE604821C - Distance relay : de en
  • DE604786C - Device for determining the exposure time and the gradation of the paper used when copying negatives : de en
  • CH172801A - Light alloy piston with carbide insert. : de en
  • PL20572B1 - Method for the production of sodium dichromate. : en pl
  • SU39524A1 - Lip harmonica : en ru
  • SU39684A1 - The method of obtaining a disinfectant drug : en ru
  • CA345621A - Cigarette machine feed : en fr
  • CH172787A - Drive device for grindstones. : de en
  • GB418804A - Improvements relating to grid control systems for electric discharge vessels : en
  • SU39555A1 - Device for optical alignment of images in cinematographic apparatus : en ru
  • US1978712A - Honing tool : en
  • SU39221A1 - Telephone translate : en ru
  • SU39689A1 - Device for moving the shuttle in a circular loom : en ru
  • CH172905A - Anti-skid device for vehicles. : de en
  • CH172866A - Electric flashlight. : de en
  • DE605045C - Sorting and cleaning device for grain u. Like. With a channel through which an ascending stream of air flows : de en
  • DE605078C - Device for the radial adjustment of brake pads resting on the side of the wheel : de en
  • CA345625A - Alternating current signalling system : en fr
  • PL20471B1 - -Kfc-23-c, 27 / 01— "Counter table. : en pl
  • US1978953A - Method of preparing an alkali metal perborate : en
  • AU1409033A - Improvements in and relating to automatic braking devices for vehicles : en
  • CH172672A - Automatic window blind winch. : de en
  • CH172705A - Sheath. : en fr
  • US1978526A - Driving mechanism : en
  • US1978613A - Box making machine : en
  • US1978716A - Razor blade lubricator : en
  • ES135486A1 - New waterproofing process for all kinds of substances and materials. : en es
  • CH172695A - Loom for taped goods. : de en
  • US1979100A - Piston expander : en
  • US1979165A - Refrigerator door release : en
  • SU39419A1 - Projection device for light and color effects. : en ru
  • CH172645A - Cobblestone. : de en
  • SU39147A1 - Blast Furnace Tuyere : en ru
  • US1978512A - Collapsible booth : en
  • US1978837A - Gas turbine power plant : en
  • US1979070A - Draft rigging : en
  • USD93704S - Design for a bottle cap : en
  • SU39214A1 - Morse Handle : en ru
  • DE604928C - Motorized railroad car pusher : de en
  • ES134843A1 - Improvements in axial threshers. : en es
  • GB418960A - Improvements in grinding mills : en
  • FR772485A - Liquid soap dispenser : en fr
  • US1979016A - Sterile modeling clay : en
  • FR772552A - Pivot frame for rail vehicles : en fr
  • GB418802A - Improvements in or relating to ironing apparatus : en
  • SU39563A1 - Door for cinematographic apparatus : en ru
  • CA345563A - Fluid gauge wiper : en fr
  • CH172671A - Device for storing brushes. : de en
  • US1978535A - Check printing mechanism for cash : en
  • USD93715S - Design for a vanity case ob similar : en
  • SU39414A1 - Writing device for recording measuring devices : en ru
  • SU39539A1 - Calender shaft : en ru
  • DE588377C - Drip stopper : de en
  • CA345686A - Cigar machine : en fr
  • SU39202A1 - Device for braking the train out of the way : en ru
  • US1979122A - Friction power transmission for vehicles : en
  • SU39413A1 - Instrument for testing the internal surfaces of hollow articles : en ru
  • US1978894A - Rolling mill : en
  • CH172965A - Process for cementing iron, steel and their alloys. : de en
  • GB418725A - Apparatus for the continuous extraction of material : en
  • GB418803A - Improvements in or relating to wire meshwork surfaces for mattresses : en
  • DE604965C - Zipper for opening cigarette packs or the like. : de en
  • SU39216A1 - Telegraph device : en ru
  • SU39285A1 - A method of manufacturing electrodes for resistance electric welding : en ru
  • SU39593A1 - The method of manufacture of chambers of pneumatic tires : en ru
  • CH172819A - Control device on gas engines. : de en
  • CH172973A - Electromagnetic operating time controller. : de en
  • SU39314A1 - The method of the combined tanning with vegetable tanning agents of several varieties of golf : en ru
  • SU39471A1 - A device for injecting rodents with a liquid poisonous substance : en ru
  • CA345615A - Shingle : en fr
  • SU39043A1 - Distillation column : en ru
  • PL20516B1 - Belt press. : en pl
  • CA345699A - Container discharge control : en fr
  • US1978899A - Vending machine : en
  • SU39475A1 - Starting evaporator for carburetor engines for internal combustion : en ru
  • CA345583A - Ophthalmic mounting : en fr
  • CA345578A - Pipe cutting and bevelling apparatus : en fr
  • SU39242A1 - Device for gripping the cable when it is laid on the line : en ru
  • ES135175A3 - Device for road transport of rail vehicles. : en es
  • GB418864A - Improvements in or relating to buckets or like receptacles : en
  • US1978471A - Knee lift jack bar : en
  • US1978741A - Process for the manufacture of artificial silks : en
  • CH172798A - Connecting rod bearings, in particular for sewing machines. : de en
  • SU39257A1 - Device for automatic regulation of alternator voltage : en ru
  • US1978574A - Ticket holder : en
  • US1978594A - Machine for making and sealing containers from transparent cellulose material : en
  • US1978966A - Apparatus for the manufacture of perforated records : en
  • US1978981A - Method of preparing carotene pigment material : en
  • US1978892A - Automobile heater : en
  • CH172767A - Lock for firearms with a set trigger. : de en
  • SU39207A1 - Device for switching inductor of batons of intermediate station without traveling and overrunning ways : en ru
  • US1978925A - williams : en
  • US1979119A - Device for aiding in the selection of cosmetics : en
  • FR772697A - Improvements to calculating machines : en fr
  • GB418838A - Improvements relating to the distant control of electric water heaters and other appliances : en
  • SU39430A1 - Vibration machine for the initiation of artificial vibrations, etc. : en ru
  • SU39607A1 - Disruptive cartridge : en ru
  • US1978602A - Incinerator : en
  • US1978792A - Aqueous treatment of artificial silk : en
  • SU39319A1 - M flax machine for stalks of bast plants : en ru
  • CA345562A - Homogeneous rubber deposition : en fr
  • US1978408A - Runproof or run-resistant fullfashioned stocking and method of making same : en
  • SU39682A1 - Device for measuring the discharge time of a certain volume of liquid : en ru
  • ES135564A3 - Ammonia double dissolution absorption machine for carbon dioxide freezing. : en es
  • SU39470A1 - Device for fishing : en ru
  • SU39656A1 - Method of making molds for casting pottery : en ru
  • US1978785A - Treatment of textile and other materials : en
  • US1979173A - Combined portable school desk and seat : en
  • US1979221A - Container for liquefied gases : en
  • SU39700A1 - Horizontal wind motor : en ru
  • US1978563A - Brake drum : en
  • SU39396A1 - The method of obtaining complex carbide component for the production of hard alloys : en ru
  • SU39698A1 - Electromagnetic hammer : en ru
  • US1978957A - Sewer rod : en
  • SU39397A1 - Machine for the manufacture of basal shoes : en ru
  • US1978757A - Shaving brush mechanism : en
  • DE604942C - Inhaler : de en
  • ES135369A3 - A procedure for the manufacture of fabrics by forming imitations of hides and skins. : en es
  • FR772612A - Electric switch : en fr
  • US1978806A - Display package : en
  • SU39228A1 - Device for receiving wireless telegraph signals : en ru
  • US1979080A - Transmission gearing : en
  • US1979196A - Electric switch with position indicating means : en
  • PL20561B1 - A sighting device for machine guns for shooting at airplanes. : en pl
  • SU39269A1 - Device for visual observation of the operation of various electromagnetic mechanisms : en ru
  • BE405058A - Universal key for heating device registrations : en fr
  • CH172641A - Shelters for motorcycles and the like. : de en
  • US1978674A - Grinding machine : en
  • PL20463B1 - An electromagnetic sheath relay with an anchor, placed inside the coil. : en pl
  • SU39287A1 - The method of obtaining purple vat dye : en ru
  • SU39628A1 - Method for phosphating metal products : en ru
  • SU39272A1 - Method for detecting breakdown of insulation or short-circuit of coils of electric coils : en ru
  • US1978412A - Method of and mechanism for knitting runproof or run-resistant full fashioned hosiery : en
  • US1979014A - Oil gun : en
  • DE582157C - Apparatus for sharpening and honing hollow-ground razor blades : de en
  • FR772441A - Loading door for baking ovens for bakery and other uses : en fr
  • US1978924A - Method of and means for cutting gears : en
  • US1978633A - Wiper blade : en
  • SU39581A1 - Device for shutting down the hydraulic press when the loading box is not left. : en ru
  • SU39648A1 - Device for a mirror ride : en ru
  • US1979005A - Calendar holding means : en
  • US1979158A - Rail chair : en
  • US1978828A - Apparatus for transmitting music by radio : en
  • SU39298A1 - The method of obtaining a shoe ointment : en ru
  • US1978889A - Process of preparing base exchange materials : en
  • SU39690A1 - The form of the counting device to determine the indications of the percentage of production on the loom : en ru
  • ES135403A1 - Improvements in the manufacture of metal bodies especially for autominibus. : en es
  • SU39238A1 - A method of manufacturing a positive electrode of air depolarization elements : en ru
  • US1978419A - Transmission system : en
  • US1978617A - Draft rigging : en
  • US1978978A - Jar closure : en
  • US1978402A - Water pressure calculator : en
  • US1978836A - Process of manufacture and composition of matter in forming stencil papers : en
  • CA345712A - Thermionic tube : en fr
  • CH172643A - Device for removing pebbles, gravel and sand from hydraulic channels. : en fr
  • US1978797A - Apparatus for the manufacture of rubber thread : en
  • US1978804A - Electric safety razor blade : en
  • DE605036C - Process for the production of aqueous lignin dispersions particularly suitable for tanning : de en
  • DE605058C - Vibrating sieve with the sieve frame cantilevered and driven by an unbalanced oscillating weight or the like : de en
  • DE604898C - Guide comb for pushing the slices onto the needles of the rotating conveyor body of a slicing machine : de en
  • ES135446A1 - A procedure to avoid the autococción of the coffee in the portas of espresso machines. : en es
  • FR772538A - : fr
  • GB418908A - A method of manufacturing light ferro concrete blocks suitable for house building and the like purposes : en
  • US1978951A - Overspeed safety stop mechanism for engines : en
  • US1979189A - Method of gas scrubbing : en
  • SU39118A1 - The method of extraction of sulfur and bitumen from bituminous sulfur raw materials : en ru
  • SU39189A1 - Travel brake for humps : en ru
  • SU39510A1 - Turning screw cutter : en ru
  • SU39610A1 - Adaptation to the shop box for automatic firing from it by revolving (pistol) cartridges : en ru
  • SU39706A1 - Paint Starch Extractor : en ru
  • US1978595A - Well pumping apparatus : en
  • US1979098A - Protective fuse for furnaces and the like : en
  • CA345732A - Acoustic device : en fr
  • US1979201A - Method of extending the cooling action of ice : en
  • SU39514A1 - Clamping device for milling and grinding the cutting part of the dies : en ru
  • SU39671A1 - Mechanical shovel : en ru
  • US1978840A - Method of manufacturing halofluoro hydrocarbons : en
  • DE604798C - Remote adjustment of servo motors : de en
  • US1978675A - Soluble ink fountain pen : en
  • ES1632Y - Mineral coal economizer plate. : en es
  • SU39535A1 - Roll for the preparation of paper pulp : en ru
  • DE565296C - Reversible and exchangeable shoe heel patch : de en
  • SU39417A1 - Device for mounting the membrane in the sound box : en ru
  • SU39445A1 - Counting machine with device for imprinting the required data : en ru
  • PL20574B3 - Method for the production of water-insoluble azo dyes. : en pl
  • SU39114A1 - Method for reactivating chlorobenzene hydrolysis catalyst : en ru
  • SU39405A1 - Limiting bracket : en ru
  • CA345572A - Carbureter : en fr
  • CH172666A - Heat storage cooking appliance. : en fr
  • US1978711A - Antislip device : en
  • US1978922A - Flexible drive and dampener : en
  • SU39609A1 - Device for switching current from one group to another : en ru
  • US1978591A - Electric cable : en
  • US1978677A - Combination os uteri-locating device and medical applicator : en
  • DE604988C - Spring-loaded, ribbon-shaped contact socket element for radio tube socket : de en
  • GB418618A - Device for drawing and fixing roller blinds : en
  • GB418687A - Improvements in and relating to radiator installations for heating buildings : en
  • GB418763A - Improvements in or relating to the joining of articles of rubber or the like : en
  • SU39497A1 - Screw gear : en ru
  • US1978521A - Cutting machine : en
  • GB418645A - Improvements in arc welding apparatus : en
  • GB418700A - Improvements in or relating to belt pulleys or the like : en
  • US1978443A - Screening pulp : en
  • US1978965A - Tandem offset disk harrow : en
  • CH172707A - Device on items of clothing that protect against moisture to prevent the liquid from flowing away from them at an undesired location. : de en
  • SU39186A1 - Air distributor for automatic rail brakes : en ru
  • SU39109A1 - Method of cleansing papaverine : en ru
  • US1978912A - Belt : en
  • US1979079A - Sorting apparatus : en
  • DE604970C - Process for the production of chains, in particular jewelry chains : de en
  • DE604985C - Arrangement for voltage regulation in three-phase networks : de en
  • CH172803A - Automatic gear shifting transmission. : en fr
  • CH172975A - Device for the electrical heating of railroad cars. : de en
  • CH172634A - Sliding honeycomb device on the beehive. : de en
  • CA345704A - Electromagnetic relay : en fr
  • CH172925A - Process for producing the shrink or press connection between wheel bodies and wheel tires on wheelsets for rail vehicles. : de en
  • SU39630A1 - Device for stamping cylindrical articles by rolling them along a fixed die : en ru
  • SU39699A1 - Water turbine : en ru
  • SU39276A1 - A device for cooling with liquid mercury rectifiers and the like. : en ru
  • SU39100A1 - The method of producing alkoxy derivatives of divinyl and its monosubstituted : en ru
  • SU39566A1 - An apparatus for producing combined films : en ru
  • SU39589A1 - Towndem Ring Fairing for Torx Motors : en ru
  • SU39602A1 - Vice for strengthening of cutting dies with sets when grinding intake parts : en ru
  • SU39650A1 - A method of making incendiary mass for matches : en ru
  • SU39072A1 - Paper Storage Device : en ru
  • SU39619A1 - Light signal : en ru
  • DE604830C - microscope : de en
  • FR772495A - spare parts for the cutting mechanism of the harvesters : en fr
  • CA345640A - Electric discharge lamp : en fr
  • CA345674A - Mixed cellulose ester : en fr
  • GB418580A - Process for the production of magnesite blocks of high resistance to changes of temperature : en
  • CH172692A - Double twist spindle. : en fr
  • US1978819A - Shaving cabinet : en
  • US1979145A - Process of producing polynaphthyl ethers : en
  • SU39373A1 - Element for plate heaters : en ru
  • US1978489A - Brush : en
  • USD93739S - Design fob an insignia : en
  • USD93751S - Design fob a marble game apparatus : en
  • SU39407A1 - A comparator for determining the ratio of a cropped tape segment corresponding to a registered event to the scale division of the tape. : en ru
  • US1978670A - Push button control system for elevators : en
  • US1978779A - Battery construction : en
  • SU39156A1 - Sleeper Laying Device : en ru
  • US1979038A - Device for making urine analysis : en
  • SU39378A1 - Bit : en ru
  • US1978599A - Variable inductance device : en
  • US1979111A - Metal heating : en
  • PL20515B1 - : en pl
  • SU39279A1 - A device for determining in boreholes the nature, thickness, state of the formations and the boundaries between them : en ru
  • US1978985A - Method of making flashless molded articles : en
  • US1979041A - Fire apparatus : en
  • US1978745A - Method of and system for taking x-ray photographs : en
  • SU39247A1 - Device for starting short-circuited asynchronous motors : en ru
  • SU39422A1 - Reflectometer : en ru
  • US1978549A - Shoe material : en
  • SU39170A1 - Smoke pipe for steam locomotives : en ru
  • USD93699S - Design for a rooter s cheerstick : en
  • CH172746A - Container pressed from cardboard. : de en
  • CA345565A - Fish filleting machine : en fr
  • SU39383A1 - A method of making wooden spoons : en ru
  • SU39685A1 - Way to mind gcheni water : en ru
  • PL20488B1 - Flexible insole for footwear. : en pl
  • US1978416A - Variable speed transmission : en
  • CH172690A - Liquid filling device that prevents the containers to be filled from overflowing. : de en
  • SU39394A1 - The method of obtaining solid metal products : en ru
  • SU39710A1 - Slitting machine for cutting continuously rolled paper or fabric from a roll : en ru
  • CA345631A - Garment : en fr
  • CH172757A - Zither keyboard. : de en
  • SU39148A1 - Method of blast smelting : en ru
  • CH172724A - Process for the preparation of unsaturated hydroxyl compounds. : de en
  • CH172917A - Road vehicle wheel tire, with device ensuring its adhesion to the ground. : en fr
  • FR772688A - Device for actuating bomb carriers and bomb launchers for airplanes : en fr
  • DK49461C - Method and Apparatus for Impregnating Textile Fabrics with Latex and Other Analog Dispersions. : da en
  • PL20501B1 - A method of catalytic splitting of hydrocarbons. : en pl
  • FR772589A - Improvements to machines to trim the ends of the welt of a shoe before the display of the second sole : en fr
  • GB418847A - Improvements in or relating to apparatus for cleaning boiler tubes : en
  • DK49442C - Apparatus for Stirring of Roast. : da en
  • DE604841C - Juggling toys : de en
  • DE604923C - Rail fastening for excavator tracks : de en
  • SU39164A1 - Fixture for securing monorail airway beams : en ru
  • DK49467C - Device for Cutting Food into Slices. : da en
  • ES134934A1 - Arrangement to simultaneously receive images and sounds. : en es
  • GB418646A - An improved shirt : en
  • GB418857A - Improvements in or relating to unions or like devices for connecting flexible tubing to taps and the like : en
  • ES135444A1 - New automatic vending machine with gifts. : en es
  • ES135529A3 - A procedure for manufacturing watch cases. : en es
  • DE605040C - Device for determining the cuts when sawing logs in boards : de en
  • FR772584A - Drawing device from life : en fr
  • GB418954A - Improvements in and connected with ornamental assemblies for gardens, graves and other like purposes : en
  • CA345695A - Rubber thread manufacture : en fr
  • CH172936A - Retaining wall. : de en
  • SU39089A1 - Apparatus for producing calcium and sodium cyanides and ammonium nitrate : en ru
  • SU39571A1 - Step light meter : en ru
  • US1978646A - Device for mounting on a spare tire : en
  • US1978774A - Artificial sausage casing and a process of preparing it : en
  • CA345634A - Electric discharge device : en fr
  • GB418879A - A heating pad for use in hair waving : en
  • US1978504A - Crate centering device for lidders : en
  • US1978547A - Pipe joint : en
  • US1978654A - Ironing machine : en
  • US1978722A - Mantle steaming machine : en
  • US1978867A - Pothead : en
  • SU39348A1 - The method of obtaining molding ground : en ru
  • DE604888C - Method and device for the production of hollow bodies from veneer layers glued together : de en
  • DE604989C - Electrode for treating short electrical waves in a capacitor field : de en
  • SU39669A1 - Lift for building materials : en ru
  • SU39158A1 - The way to straighten rail butt fractures : en ru
  • SU39163A1 - The method of moistening forests and soils when building or repairing dirt roads : en ru
  • CH172737A - Process for making a lubricating oil improver. : de en
  • SU39427A1 - Differential pressure gauge : en ru
  • US1979224A - Container for liquefied gases : en
  • US1978571A - Anchoring device : en
  • USD93749S - Design fob a lamp shade : en
  • SU39621A1 - Device for automatic painting of dishes, etc. spraying through stencils : en ru
  • DE604904C - Graver bearings for engraving and copying machines : de en
  • CA345659A - Refrigerator cabinet : en fr
  • CH172837A - Block battery, in particular for vehicles. : de en
  • SU39372A1 - Device for regulating the pressure in the water heating network : en ru
  • US1978413A - Portable heater : en
  • CH172750A - Pocket camera. : en fr
  • SU39044A1 - The device of distillation columns from ferrous metals : en ru
  • US1978455A - Container and closure therefor : en
  • US1978570A - Continuous belt fed press : en
  • SU39205A1 - Square to mark the movement of trains on the railway schedule : en ru
  • GB418606A - Improvements in mats : en
  • DE605055C - Hanging swing : de en
  • FR772640A - Improvements to filter cartridges : en fr
  • ES132200A3 - An improvement in the manufacture of labeled paper or cardboard tubes. : en es
  • FR772664A - Improvement in the rafters of filter basins : en fr
  • GB418814A - Improvements in and relating to spindles for barometers and the like : en
  • DE604951C - Felt winding roller for paper machines u. like : de en
  • DE604999C - Complementary switchgear for cash registers or calculating machines with flat keypad : de en
  • SU39065A1 - The method of obtaining peat coal : en ru
  • SU39250A1 - Starting rheostat : en ru
  • US1979222A - Cabinet : en
  • FR772443A - Mixing and kneading machine with kneading paddles, in particular for fraying in the manufacture of viscose : en fr
  • FR772559A - Improvements in the manner and means of making the attachments or junctions in the belts : en fr
  • FR772653A - Speed reducer : en fr
  • CA345581A - Eccentric expansion plug : en fr
  • GB419560A - Improvements in and relating to processes for the refining of metals : en
  • FR772574A - Tool used to dig holes in the ground for the installation of poles, poles, stakes and others : en fr
  • GB418989A - Improvements in and relating to incandescent electric lamp filaments and methods of manufacturing the same : en
  • US1978970A - Launderable hand bag : en
  • FR772429A - Wire pulling machine : en fr
  • DK49445C - Color Filter for Movie Recording and Viewing Devices. : da en
  • US1978992A - Combined fluid controlling and temperature measuring device : en
  • US1978503A - Method of and apparatus for applying covers to crown packed shipping cases : en
  • US1979159A - Photographic finder : en
  • GB418735A - Improvements in machines for making wire netting : en
  • GB418931A - Improvements relating to valves for controlling fluids : en
  • GB418933A - Improvements relating to electric transformers : en
  • GB419357A - Improvements in or relating to the polymerisation of organic compounds : en
  • FR772608A - Shuttle fighter : en fr
  • FR772654A - Process for filtering the exhaust gases of internal combustion or combustion engines : en fr
  • CA345682A - Record controlled machine : en fr
  • CH172720A - Process for grafting seeds, such as B. Soybeans, legumes etc. : de en
  • CH172713A - Grinder, in particular for grinding coffee, spices and the like. : de en
  • CH172793A - Device for applying paints, varnishes, stains, glue and the like. : de en
  • ES135548A1 - PROCEDURE FOR THE MANUFACTURE OF SEAMLESS TUBES : en es
  • FR772630A - Chassis for motor vehicles, in particular for racing cars : en fr
  • GB418754A - Improvements relating to apparatus for washing textile fabrics : en
  • GB418770A - Improvements relating to thermally controlled gas valves : en
  • US1979169A - Settling apparatus : en
  • ES135303A1 - IMPROVEMENTS IN OSCILLATING CONNECTIONS : en es
  • FR772667A - Fluid control method for three-position devices : en fr
  • ES135218A1 - IMPROVEMENTS IN FILM HANDLING MACHINES : en es
  • ES135355A1 - A process for making articles of or containing spongy or cellular rubber. : en es
  • ES135414A1 - Receiver teleinscritor. : en es
  • FR772620A - Sound volume regulator assembly for electric amplifiers : en fr
  • GB418812A - Improvements in and relating to ventilators : en
  • GB418973A - Improvements in variable pitch propellers : en
  • GB418926A - Improvements in the production of non-knocking benzines : en
  • FR772545A - : fr
  • GB418866A - Improvements in electric hot plates and similar heaters : en
  • GB418679A - Improvements in or connected with water heaters : en
  • SU39306A1 - Mechanism for switching the circular motion in the machine for swinging and back : en ru
  • US1978630A - Sealing or wrapping machine : en
  • US1978878A - Combined projector and talking machine : en
  • USD93745S - Design for a lamp shade : en
  • FR772515A - Semi-automatic start control device : en fr
  • DE605051C - Theft protection, especially for motor vehicles : de en
  • ES135471A1 - New procedure to manufacture current lime. : en es
  • SU39335A1 - The method of manufacture stitch protective plates for artificial teeth : en ru
  • US1978655A - Process for increasing the production of oil wells : en
  • US1978728A - Joint structure for folding oxford eyeglasses : en
  • DE604976C - Humid chamber for textiles or other goods : de en
  • FR772675A - Curtains with retractable elements : en fr
  • US1978576A - Brake hanger retainer : en
  • GB418727A - Screw caulks for horseshoes : en
  • SU39103A1 - Method for producing ichthyol surrogate : en ru
  • SU39549A1 - Central shutter for aerial camera : en ru
  • GB418616A - Improvements in or relating to the valve mechanism of four-stroke-cycle internal-combustion engines : en
  • CH172631A - Ventilation device for greenhouses with hot water heating and for cold houses. : de en
  • DE605082C - Oscillating armature motor : de en
  • FR772531A - Luminous flux limiter with rectilinear elements : en fr
  • GB418906A - Improvements relating to seals for current leads into quartz vessels : en
  • ES134888A1 - A procedure that allows obtaining a new industrial explosive. : en es
  • GB418899A - Coal rake and coal breaker : en
  • SU39122A1 - Alarm device for indicating water limits in a steam boiler : en ru
  • GB418605A - Improvements in or relating to illuminated clocks : en
  • FR772535A - Installation of burners for liquid fuel with at least two burners in operation simultaneously : en fr
  • GB418709A - Improvements in fuel feed arrangements for internal combustion engines : en
  • DE557011C - Process for tanning hides and skins : de en
  • DE604911C - Arrangement for switching off an inductive resistor in a direct current circuit : de en
  • PL20563B1 - Electric apparatus for igniting coal or other combustible masses in furnaces. : en pl
  • US1978427A - Combined circular chaser and turning tool : en
  • PL20513B1 - High-evaporation sectional boiler. : en pl
  • SU39232A1 - Antenna : en ru
  • SU39239A1 - The method of applying an insulating top coat : en ru
  • DE604811C - Device for the final folding of a paper or other material web that has been pre-creased after passing through a printing machine : de en
  • DE604865C - Binder : de en
  • ES135509A1 - A selective filtering device for radiation emitting sources. : en es
  • FR772406A - Pouring stopper with adjustable even or threadlike flow : en fr
  • SU39271A1 - Device for recording short periods of time : en ru
  • SU39467A1 - Membrane Pressure Regulator : en ru
  • SU39502A1 - Transmission between two mutually perpendicular shafts : en ru
  • ES135385A1 - Apparatus for the maneuvering of rolling metal doors. : en es
  • FR772673A - Torque limiter coupling mode : en fr
  • GB418775A - Improvements in or relating to the attachment of metal parts to electric insulators : en
  • SU39494A1 - Automatic ball valve : en ru
  • DE605065C - Process for rendering antimony in copper harmless : de en
  • ES134855A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • DE604851C - Device for beating eggs and cream : de en
  • GB418660A - Improvements in and relating to check valve devices for fluid pressure braking apparatus : en
  • GB419448A - Improvements relating to operating mechanism for windscreens of motor vehicles : en
  • FR772588A - Device used to maintain a constant level on the output side of an amplifier : en fr
  • FR772497A - Protection system for t receiving stations. s. f. against parasitic disorders of industrial origin : en fr
  • FR772597A - Waterproofing process for structures and soil by injection of special products : en fr
  • GB418920A - Improvements in or relating to electric arc discharge devices : en
  • GB418713A - Improvements in or relating to built-up effigies : en
  • CH172858A - High frequency coil. : de en
  • FR772643A - Improvements in artificial flowers : en fr
  • DE604933C - Device for damping the mechanical vibrations of overhead lines, which is freely suspended from the line : de en
  • DE605077C - Folding table, especially for railroad cars : de en
  • FR772591A - Device for automatically stopping a train : en fr
  • US1978606A - Carrier support for reciprocating conveyers : en
  • US1978522A - Vessel capping machine : en
  • US1978811A - Stave : en
  • US1979073A - Chair : en
  • USD93708S - Design fob a shoe : en
  • ES135407A1 - A device for the diffusion treatment of beet, sugar cane and other plants with food reserves for the extraction of sucrose and other soluble carbohydrates. : en es
  • FR772433A - Method and device for forming hollow metal bodies : en fr
  • SU39385A1 - Laying machine for layers of rubber or fabric material : en ru
  • DE605054C - Football entertainment game : de en
  • GB418594A - Improvements relating to means for operating ring flyers in machines for spinning and doubling cotton and other fibrous substances : en
  • CH172761A - Device on ski bindings to connect the rear strap ends to the tensioner. : de en
  • CH172963A - Process for the preparation of a vat dye. : de en
  • PL20539B1 - Method of producing detonators. : en pl
  • SU39513A1 - Chuck for turning and turret machines : en ru
  • CH172731A - Process for the preparation of a dye of the anthraquinone series. : de en
  • ES135531A1 - A thermionic generator of the kind in which vibrations are produced by the action of a magnetic field. : en es
  • FR772476A - Manufacturing process for hollow bodies for expanding tubes and hollow bodies thus obtained : en fr
  • GB418603A - Improvements in or relating to electro-optical systems : en
  • GB418627A - Improvements in or relating to caps and the like for personal wear and the manufacture thereof : en
  • ES135217A1 - A chain working thread arrangement with retensioned longitudinal support cable in the transverse cable. : en es
  • GB418852A - Improvements in or relating to leather packing for stuffing boxes : en
  • CA345727A - Signalling system : en fr
  • GB418599A - Improved metal bobbins for trawl fishing net ground ropes : en
  • SU39069A1 - A device for turning peat bricks : en ru
  • US1978702A - Gas mixing device : en
  • CA345676A - Benzine purification : en fr
  • CH172859A - Discharge device filled with mercury vapor and with an externally heated hot cathode with high current density. : de en
  • FR772502A - Heavy oil burner : en fr
  • GB418817A - Improvements in or relating to induction furnace arrangements : en
  • FR772402A - Construction plate press : en fr
  • GB419145A - Improvements in crushing or shearing tools : en
  • SU39542A1 - Device for removing watered photographic plates : en ru
  • US1979219A - Beverage cooler : en
  • FR772679A - Improvements to discharge devices : en fr
  • ES135373A1 - An automatic circuit breaker of electric current, with adjustable temperature, for application in electrothermal devices. : en es
  • CA345681A - Sesame oil processing : en fr
  • FR772576A - Improvements to the side of boats : en fr
  • GB418653A - Improvements in and relating to impregnating compounds for insulating purposes : en
  • DE604779C - Peening device, consisting of hand peening hammer and anvil : de en
  • ES135412A1 - Improvements in the take-off devices of airplanes. : en es
  • US1979213A - Plant-protective agent and method of preparing the same : en
  • DE602803C - Freewheel brake hub : de en
  • SU39328A1 - Trepan : en ru
  • BE405056A - Wheel control devices for high-speed locomotives : en fr
  • CH172871A - Process for the preparation of a solution of the 3.6-diaminoacridine salt of p-glycolylaminophenylarsinic acid. : de en
  • SU39605A1 - Machine for inserting hooks and rings into shoemakers : en ru
  • FR772573A - Replacement of the inner tubes of the wheels of a vehicle by flexible metal tori : en fr
  • FR772663A - Process of drilling holes with casing and machine allowing the execution of this process : en fr
  • CH172795A - Pocket case with cigarette holder, lighter and watch. : de en
  • ES135532A1 - A thermionic generator to produce vibrations for high and ultra high frequency. : en es
  • GB418722A - Improvements in or relating to means for the production of compound sheet materials consisting of layers of paper, cardboard, fabric or the like united by bitumen, varnish, rubber or the like : en
  • GB419148A - Improvements relating to cartons or like containers : en
  • FR772613A - Electronic discharge lamp and its applications : en fr
  • GB418634A - Improvements in and relating to jigger conveyors : en
  • US1978623A - Sprinkler head : en
  • SU39534A1 - Method for producing kraft cellulose from cereal straw : en ru
  • GB418624A - Improvements in or relating to photographic film packs : en
  • SU39550A1 - Fixture for shutter release : en ru
  • ES135398A1 - An improved procedure for the manufacture of carpets. : en es
  • SU39318A1 - The transporting device for stalks to a single-drum breaking machine : en ru
  • ES135551A1 - A process for manufacturing ferro-manganese and silico-manganese. : en es
  • ES2547Y - Devices applicable to moth bags and mail bags. : en es
  • FR772609A - Indirectly heated elongated cathode for thermionic tubes : en fr
  • FR772676A - Interior turret for floor weapon on aircraft : en fr
  • USD93733S - Design for a thermometer for cook : en
  • GB419144A - Improvements in or relating to drying and finishing textile fabrics : en
  • FR772542A - Fluid drive, particularly applicable to diesel locomotives : en fr
  • ES135477A3 - A machine for trimming and re-lashing cans of preserves or other products. : en es
  • FR772638A - Gauge for sampling, checking and measuring liquids : en fr
  • FR772509A - Folding chair : en fr
  • DE604732C - Process for the production of hollow, seamless turbine blades : de en
  • DE604939C - Mercury vapor rectifier with a ring-shaped cathode insulator made of ceramic material : de en
  • FR772699A - Junction box with bayonet lock : en fr
  • GB418639A - Improvements in pincers, tongs, or the like : en
  • GB418697A - Improvements in or relating to pumping apparatus : en
  • SU39434A1 - Instrument for determining the coefficient of friction in holders and bearings : en ru
  • GB418753A - Improvements in apparatus for straining liquids : en
  • FR772477A - Box, especially for collars : en fr
  • DE604837C - Filter connection piece for gas masks made of transparent, elastic building material : de en
  • DE604921C - Furnace for the heat treatment of metal workpieces in the absence of air : de en
  • FR772505A - Plywood packing : en fr
  • FR772526A - Control sector by chains or cables : en fr
  • GB418836A - Improvements in and relating to pneumatically-loaded hydraulic accumulators : en
  • DE604866C - Process for the production of acetic acid : de en
  • USD93753S - Design for a soap dispenser : en
  • FR772606A - Improvement in makeup kits : en fr
  • FR772670A - Installation for receiving telephone calls via loudspeaker : en fr
  • FR772465A - Electrical scanning device for machines working with punched cards, in particular for sorting : en fr
  • ES135441A2 - PROVISION FOR THE CUSHIONING OF SHOCK PRODUCED BY SHOCK, BY MEANS OF SPRINGS, PARTICULARLY FOR AUTOMOBILE VEHICLES : en es
  • FR772468A - Virtual axis of rotation hinge : en fr
  • FR772493A - Process for manufacturing the spindle gears and pinions obtained : en fr
  • FR772581A - Editing to automatically control the amplification coefficient of a device : en fr
  • DE605041C - Gear tester with dial indicator : de en
  • US1978783A - Azo dyestuffs : en
  • CA345658A - Electrical discharge lamp : en fr
  • CH172789A - Razor. : de en
  • US1978869A - Manufacture of refined gutta percha, balata, and the like : en
  • US1978909A - Lip stick holder or the like : en
  • SU39338A1 - Ear muffler : en ru
  • GB418736A - Improvements in apparatus for cleaning drinking vessels and the like : en
  • GB418849A - Improvements relating to electric storage battery carriers for motor or other cycles : en
  • SU39565A1 - Film projector fire extinguisher : en ru
  • FR772666A - Direction change signaling device for vehicles powered by an internal combustion engine : en fr
  • DE604824C - Commutator cascade, especially for constant torque or constant power : de en
  • DE604907C - Centrifugal drum, the journal of which sits directly on the floor and revolves in a bearing sleeve carried by pendulum rods : de en
  • DE605028C - Rotary piston machine with two elliptical, cylindrical pistons that rotate around their central axes and run off one another : de en
  • ES135478A1 - Selection mechanism for making drawings, applicable to straight knitting machines. : en es
  • CA345678A - Resilient mounting : en fr
  • SU39673A1 - Device for mixing dissimilar bulk materials on a belt conveyor : en ru
  • US1978994A - Protective helmet : en
  • SU39057A1 - Cutting device : en ru
  • SU39382A1 - The method of obtaining wood wool from pine needles : en ru
  • US1978708A - Refrigerator ice door construction : en
  • CA345696A - Rubber article processing : en fr
  • ES135363A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF TELESCOPIC SPILLAGE GOLLETS : en es
  • SU39115A1 - The method of obtaining narakresilatsetag : en ru
  • SU39313A1 - The method of hair cutting from skins to ointment : en ru
  • SU39346A1 - Portable Chlorine Inhalation Device : en ru
  • SU39380A1 - A method of making an artificial cork : en ru
  • USRE19356E - Adjustable fastening device : en
  • US1979217A - Draft rigging : en
  • SU39199A1 - Tool for moving the arrow from a moving wagon : en ru
  • SU39547A1 - Curtain shutter : en ru
  • SU39580A1 - Device for automatic switching of spool at hydraulic press : en ru
  • ES135384A1 - Improvements in gasoline economizer devices for internal combustion engines. : en es
  • US1978483A - Refrigerator : en
  • US1978691A - Article of commerce and method of its production : en
  • CH172904A - Device for reciprocating a stroller. : de en
  • DE604788C - Relief valve for remote control of vehicle shock absorbers : de en
  • DE604992C - Sliding sleeve coupling for dental handpieces and contra-angles with an intermediate gear between drive and tool shaft : de en
  • ES135427A1 - A high frequency coupling element. : en es
  • FR772627A - Grid for boiler hearths or other applications : en fr
  • GB418901A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • AU1485733A - Improvements in or relating tothe production of rubber goods and apparatus therefor : en
  • CH172792A - Decal with veneer pattern. : de en
  • CH172879A - Telegraph apparatus with a device for displaying type characters. : de en
  • DE565713C - Process for the continuous grinding and polishing of glass plates : de en
  • DE605030C - Arrangement of intermediate amplifiers in transoceanic telephone cables : de en
  • GB418882A - Apparatus for consolidating concrete and like plastic masses in situ : en
  • PL20552B1 - The multi-way valve for the camshaft is carried out by compressed air from the motor vehicle gearbox at both ends. : en pl
  • US1978920A - Combination clock and radioreceiver : en
  • SU39562A1 - Oil pump for film projector : en ru
  • US1978409A - Mechanism and mechanical method for making runproof or run-re-sistant full-fashionedhosiery : en
  • SU39095A1 - Method for producing solid metallic mercury emulsions : en ru
  • SU39223A1 - Radio transmitter : en ru
  • SU39704A1 - Device for monitoring and regulating carbonation : en ru
  • US1978481A - Method of molding : en
  • US1978461A - Timing axis for cathode ray oscillograph : en
  • US1978928A - Method and apparatus for treating liquids : en
  • USD93722S - Design for a hand bag frame : en
  • US1978539A - Basic alcohol : en
  • US1978760A - Inking mechanism for rotary printing presses : en
  • PL20503B1 - Rolling mill for continuous rolling of wire or fine shapes. : en pl
  • BE405100A - : en
  • ES135367A1 - Improvements in the files for cards or tokens. : en es
  • CH172833A - Method and device for feeding steam generators for high pressure. : de en
  • US1979205A - Printing machine : en
  • US1979215A - Cellar box for driving journal bearings : en
  • DE604800C - Withdrawal device with electric spindle drive : de en
  • DE604994C - Method and device for cleaning the surface of matrices produced by metal deposition on a wax master : de en
  • DK49465C - Vertical Retort for Coking Coal or similar. : da en
  • CA345665A - Spindle bearing : en fr
  • DE605084C - Bicycle battery lamp with a two-part housing made of insulating material : de en
  • FR772567A - Coupling of tubes, pipes and bars : en fr
  • GB418789A - Improved method of and means for the recovery of pure metallic magnesium from crude magnesium or magnesiferous materials : en
  • ES135443A1 - Disturbance elimination device in radio reception. : en es
  • ES135510A1 - A montage of reciprocating machines on supports. : en es
  • FR772582A - Improvements to the mills : en fr
  • GB418819A - Improvements in or relating to machines for finishing edges of sheet material : en
  • GB418943A - Improvements in or relating to processes of making vinyl esters : en
  • DE600499C - Process for the preparation of 4-pyridylpyridinium dibromide : de en
  • FR772655A - Folding box : en fr
  • GB418718A - Improvements relating to searchlights : en
  • DE603842C - Printing device for cloakroom cards : de en
  • AU1595134A - Improvements in or relating to baking processes : en
  • CH172686A - Device for holding the kettle of beating, stirring, mixing machines and the like. : de en
  • ES135156A2 - DEVICE FOR LAUNCHING PUMPS APPLICABLE TO THE FUSES, PROVIDED WITH DEVICES TO ENSURE THE VARIABILITY AND ACCURACY OF THE INCLINATION OR ANGLE : en es
  • FR772417A - Rotary internal combustion engine : en fr
  • GB418853A - Improved tubular heat exchange element and method or process of manufacturing the same : en
  • PL20462B1 - An advertising device which is actuated during the flight of the airframe and incorporating a flexible ribbon with advertising markings, and a method of folding the ribbon to be placed on the airframe. : en pl
  • US1978463A - Refrigeration : en
  • SU39528A1 - The method of packaging in the impermeable to the cooling solution shell of food products intended for freezing : en ru
  • CH172972A - Device for determining the shape of human and animal body parts, in particular human feet. : de en
  • SU39024A1 - Inertia laboratory screen for screen analysis : en ru
  • SU39130A1 - Proofreading machine : en ru
  • US1978911A - Window runway or channel : en
  • AU1718734A - Improved production of finely distributed copper compounds : en
  • US1979212A - Attachment for knitting machines : en
  • SU39423A1 - Thermometer : en ru
  • US1978748A - Two-way mop : en
  • CA345626A - Fire extinguisher and alarm apparatus : en fr
  • CH172780A - Method for producing an alkaline earth metal-aluminum alloy. : de en
  • US1978524A - Engine starting apparatus : en
  • US1978543A - Locking means : en
  • DE566683C - Rolling mill with support and work rolls : de en
  • SU39512A1 - Flange machine : en ru
  • US1978457A - Hose carrier for truck tanks : en
  • PL20547B1 - Diaphragm fuel pump for internal combustion engines, especially for automotive internal combustion engines. : en pl
  • US1978404A - Method of producing ketones : en
  • US1979064A - Telegraph repeating system : en
  • US1978424A - High power demountable electron tube : en
  • SU39138A1 - Instrument for the production of records on the system of copier-accounting : en ru
  • CA345598A - Railway communication system : en fr
  • BE405293A - : en fr
  • PL20530B1 - A method of copying movies, and a machine for carrying out the method. : en pl
  • SU39611A1 - Device for shooting small-caliber cartridges with automatic fire from revolver Nagant : en ru
  • US1978435A - Electrically controlled irrigating apparatus : en
  • US1979075A - Engine : en
  • US1979101A - Transmission system : en
  • CH172734A - Process for the production of a new vat dye. : de en
  • CH172869A - Investment material for dental purposes. : de en
  • US1978800A - Method for the treatment of animal furskins, animal hair fibers, and the like : en
  • US1979003A - Method of and machine for making : en
  • PL20504B1 - A method to prevent the formation of unusable cuttings at the ends of rolled blocks. : en pl
  • US1979091A - Electrical distribution connecter : en
  • US1979059A - Punch retainer : en
  • DE605063C - Electric butt welding machine : de en
  • ES2573Y - Tabletop game. : en es
  • FR772533A - Improvements to devices such as skylights : en fr
  • GB418887A - Improvements in carburettors : en
  • PL20542B3 - A method of producing synthetic tannins. : en pl
  • SU39252A1 - Electromagnetic contactor : en ru
  • US1978529A - Flexible conduit : en
  • SU39033A1 - Belt Electromagnetic Separator AC : en ru
  • SU39469A1 - Device for fishing : en ru
  • US1978433A - Process for preparing para-secalkylamino-phenols : en
  • US1979008A - Baffle for water heaters : en
  • CH172911A - Pressure regulator for pumps for motor vehicles and other applications. : en fr
  • AU1719034A - Improvements in or relating to wheel suspension for vehicles : en
  • CA345627A - Envelope making machine : en fr
  • SU39304A1 - Dust separator in pipelines : en ru
  • CH172807A - Electric push button control. : de en
  • US1979020A - Telephone exchange system : en
  • US1979062A - Washing machine : en
  • CA345648A - Gypsum plaster : en fr
  • SU39708A1 - The method of obtaining sulfuric acid : en ru
  • US1978496A - Tree for boots : en
  • US1978707A - Bearing : en
  • US1978956A - Mattress : en
  • DE604910C - Process for the preparation of reaction products from ketene : de en
  • DE605015C - Device for switching a double-stroke dobby machine driven by the loom to manual operation : de en
  • CA345570A - Refuse furnace joint : en fr
  • DE604945C - Lido facility, especially for inland waters : de en
  • CH172836A - Water coolers for engines. : de en
  • FR772644A - Viscosity correction device in liquid fuel burners : en fr
  • GB418714A - An improved process for making pure chromium compounds : en
  • GB418715A - Improvements in or relating to pouring devices for cans or like containers : en
  • CA345651A - Radio transmitter : en fr
  • CH172658A - Boiler. : de en
  • US1978842A - Building construction : en
  • PL20505B1 - A device for coal-dust furnaces. : en pl
  • SU39620A1 - Lights and signal : en ru
  • SU39253A1 - Device for automatic start of asynchronous motor : en ru
  • ES135485A1 - An electric lock, by combination of letters or figures, applicable to strong chests. : en es
  • GB418945A - Method of preparing shellac solutions for the production of etched photographic printing formes : en
  • SU39090A1 - The method of producing ferrosynergide sodium : en ru
  • US1978846A - Apparatus for waving hair : en
  • PL20557B1 - A method of disengaging the pawl, the shaft-engaging linkage of straw balers or similar machines with a driving shaft, and a device for this purpose. : en pl
  • SU39284A1 - Device for automatic control of turning on the main oil switch of an electric arc furnace : en ru
  • US1979175A - Pin tool : en
  • US1979001A - Sawing machine : en
  • US1979012A - Manufacture of molded articles : en
  • CA345723A - Steam separator : en fr
  • CH172912A - Foot scrapers for automobiles. : de en
  • CH172890A - Device for the transmission of messages by means of modulated light beams. : de en
  • CA345616A - Potato harvester : en fr
  • CA345671A - Tractor and trailer coupler : en fr
  • CH172796A - Plate for machine insulation. : en fr
  • CH172927A - Actuating device of the diaphragm type, for devices operated by pressurized fluid. : en fr
  • DK49459C - Device for Remote Control of Switches and the like. : da en
  • DK49463C - Device for Telephone Systems for Receiving AC Pulses. : da en
  • ES135476A1 - Electrical installation to automatically activate the closing and opening of the level crossings. : en es
  • SU39525A1 - Grab attachment to sewing machines to form weave of needle and bottom threads : en ru
  • CH172810A - Packing press. : de en
  • CH172939A - Electric tilting tank with support bearings. : de en
  • SU39217A1 - Wiring device : en ru
  • SU39517A1 - Mechanism for lifting the hammerhead baba : en ru
  • PL20528B1 - Device for feeding mining machines. : en pl
  • US1978611A - Lathe chuck : en
  • DE605033C - Steam boiler firing with the moving grate in front of a dry fuel shaft : de en
  • US1978439A - Variable transmission : en
  • US1978718A - Blower for corn harvesters : en
  • CH172948A - Filtering device, in particular for making coffee and tea infusions. : de en
  • CA345677A - Refrigerated beverage dispenser : en fr
  • CH172642A - Retaining wall and method and device for its manufacture. : de en
  • CH172702A - Ironing board. : de en
  • ES135399A1 - A procedure for the microanalysis of milk for lactation. : en es
  • DK49460C - Electric DC Generator. : da en
  • ES135537A1 - An electromagnetic rotating device that converts and rectifies electrical currents whatever their intensity and voltage. : en es
  • SU39478A1 - Safety device against disturbances in the normal operation of internal combustion engines with a lack of lubrication or excessive wear of moving parts : en ru
  • PL20545B1 - Door latch. : en pl
  • US1978969A - Device for protection of electric nets against overvoltages : en
  • GB418738A - Improvements appertaining to the pattern surface mechanism of jacquard machines : en
  • CA345657A - Photoflash lamp : en fr
  • CH172699A - Device on sewing machines for weaving damaged areas in fabrics and stockings. : de en
  • SU39229A1 - Repeatedly alternating antenna : en ru
  • SU39358A1 - The method of obtaining mirrors with reduced reflectivity : en ru
  • CA345697A - Leatherboard : en fr
  • CH172802A - Shut-off device. : de en
  • CH172835A - Device for cleaning the refrigerant in airtight refrigeration machines. : de en
  • CH172901A - Tin can with sealing membrane. : de en
  • US1979166A - Self-closing tube : en
  • DE604516C - Spring-mounted twisting or spinning spindle : de en
  • DE604772C - Process for rendering exhaust gases containing hydrogen sulfide and other harmful pollutants harmless : de en
  • CH172811A - Capacity regulator for reciprocating compressors and reciprocating blowers. : de en
  • CH172889A - Process for the self-illuminating visualization of large objects such as house facades, car road curves, level crossings, signals. : de en
  • CH172940A - Mobile piece of furniture. : de en
  • US1978458A - Broaching fixture : en
  • SU39292A1 - The method of obtaining artificial resin : en ru
  • US1978650A - Stand : en
  • SU39485A1 - Method of using exhaust heat of internal combustion engines : en ru
  • SU39658A1 - The method of manufacturing fireclay refractory bricks and the like fireclay products : en ru
  • US1978737A - Solenoid : en
  • US1979235A - Car truck : en
  • PL20536B1 - The method of producing the starting products for the production of artificial materials and the method of producing these artificial materials. : en pl
  • SU39086A1 - Argon cleaning method : en ru
  • US1978816A - Scavenging and charging of twocycle engines : en
  • CA345633A - Radio receiving system : en fr
  • US1978725A - Housed spring for hinge connections of eyeglass frames : en
  • USD93742S - Design for a lamp shade : en
  • DE604730C - Automatic control or measuring device : de en
  • ES135504A1 - A new process of mixing liquid fuels with air or water vapor for the production of heat. : en es
  • GB418731A - New or improved game apparatus : en
  • SU39459A1 - Potato harvesting machine : en ru
  • SU39259A1 - Protection rectifier device : en ru
  • CA345711A - Sprinkler alarm mechanism : en fr
  • CH172832A - Water tube boiler. : de en
  • SU39108A1 - The method of obtaining amino-anabasine : en ru
  • GB418774A - Improvements in and relating to electric current converting apparatus : en
  • CH172790A - Screwdriver. : de en
  • SU39168A1 - Device for stopping the piston of a locomotive machine when driving a steam-engine without steam : en ru
  • SU39377A1 - Milling machine for processing shaped surfaces : en ru
  • BE405398A - : en fr
  • CH172723A - Process for the preparation of an anthraquinono-2'.1'.1.2-anthraquinone. : de en
  • US1979002A - : en
  • US1978706A - Control system for electron discharge devices : en
  • DE604969C - Saw machine for cutting sugar plates : de en
  • US1978642A - Floor securing device : en
  • CH172754A - Writing pen, mainly fountain pen. : de en
  • DE605011C - Device for attaching the flag to the flagpole : de en
  • SU39067A1 - Machine for turning and moving peat bricks : en ru
  • SU39184A1 - Instrument for the automatic release of condensate from the main and reserve air brake tanks : en ru
  • US1978930A - Tens transfer device : en
  • SU39196A1 - Device for electrical interlocking of arrows and signals : en ru
  • US1978812A - Manufacture of golf balls and the like : en
  • SU39062A1 - Device for punching fleetz cage : en ru
  • SU39587A1 - Flying wing : en ru
  • GB418772A - Corrosion-resistant and mechanically workable alloys : en
  • DE605039C - Sliding window with upper and lower sash on the same closing level : de en
  • FR772452A - Refining process for vegetable and animal oils and fats : en fr
  • DE604879C - Arrangement for generating an electrical time component : de en
  • DE604987C - AC solenoid, especially AC relay for higher frequency currents : de en
  • SU39175A1 - Wheel for railway carts : en ru
  • US1978498A - Vehicle suspension mechanism : en
  • ES135397A1 - A procedure for the manufacture of carpets. : en es
  • FR772565A - Draft regulator for fireplaces : en fr
  • IE13470L - Cast iron pipes : en
  • FR772457A - Advanced system and device for light advertising and signage : en fr
  • SU39185A1 - Stopcock : en ru
  • SU39302A1 - Adaptation device for fuel skimming in moving furnaces : en ru
  • PL20573B1 - Method for the production of water-insoluble azo dyes. : en pl
  • DK49462C - Signal device for Road crossings at single- and double-track Lanes. : da en
  • GB418773A - Improvements relating to foot arch supports : en
  • US1978822A - Locomotive with bifurcated flues : en
  • USD93727S - Design foe a clock case : en
  • DE604675C - Method for determining irregularities in the surface of wires or the like. : de en
  • DE604956C - Helicopters with one or more rotors : de en
  • ES135357A1 - Switch and coil holder. : en es
  • DE605064C - Process for removing the mucilage, lecithin and the like contained in vegetable and animal oils and fats. like : de en
  • GB418830A - Improved hook or like device for use in the fastening of wearingapparel : en
  • CA345675A - Photographic gelatin relief and metal cast : en fr
  • CA345683A - Master clock : en fr
  • CH172897A - Bag, especially purse, wallet, handbag, briefcase, with a puzzle compartment. : de en
  • DE604963C - Device for grinding and polishing drawing die bores : de en
  • GB419289A - Improvements in transformers, choking coils and the like : en
  • FR772461A - Electronic valve converter system : en fr
  • GB418900A - Improvements in ships hatches : en
  • SU39182A1 - Air distributor for automatic air single-line brakes : en ru
  • US1978986A - Motor construction : en
  • GB419146A - Improvements in and relating to means for regulating electric power transmission systems : en
  • FR772648A - Maintenance and renovation product for metal or other surfaces, bare or covered with paint, varnish, or other coating : en fr
  • GB418681A - Improvements in or relating to cash register machines : en
  • SU39039A1 - Pillow for sealing devices for pistons of dry gasholders : en ru
  • US1978546A - Air conditioning device : en
  • GB418788A - Improved process of producing a soluble phosphate fertilizer : en
  • SU39036A1 - Crash Clasp : en ru
  • SU39526A1 - Fitting to a sewing machine to get a normal double-sided stitch : en ru
  • US1978448A - Dictaphone machine : en
  • US1978403A - Process of separating calcium and magnesium chlorides : en
  • US1979018A - Process of absorbing ethylene in strong acids : en
  • USD93702S - Design fob a spectacle bow : en
  • GB418816A - Improvements in or relating to systems of carburation for heavy oil non-diesel internal combustion engines employing pre-heated air : en
  • US1978823A - Process for the preparation of alumina poor in silicic acid from alkaline earth aluminates : en
  • GB418682A - Improvements connected with the packing of prepared vegetables, salads or the like : en
  • GB418684A - Improvements in observation mirrors for use on vehicles : en
  • US1978544A - Cooking equipment : en
  • US1978791A - Chromium plating of type : en
  • CH172876A - Compteur horaire automatique pour mark la durée de vol d'un avion. : de en fr
  • DE605038C - Air outlet for ventilation devices : de en
  • FR772548A - Process for obtaining asphalt and asphaltic materials from acid resins and acid tars : en fr
  • FR772534A - Vacuum cleaner improvements : en fr
  • GB418578A - Improvements in electrical starting devices for internal combustion engines : en
  • GB418948A - Control clock : en
  • ES135430A1 - An installation of hydraulic turbines with a recessed entrance, in which the entrance chamber is mounted in a machine house and the horizontal axis of the turbine forms an angle with the axis moved. : en es
  • FR772629A - Projector refinements : en fr
  • GB418703A - Improvements in or relating to arrangements of change wheels for coin-operated meter mechanisms : en
  • GB418912A - Apparatus for playing a ball game of skill : en
  • US1978645A - Apparatus for feeding molten glass to suction cups : en
  • ES135238A1 - Improvements introduced in the procedures and facilities for the transportation and distribution of gas. : en es
  • GB419137A - Wireless receiving systems : en
  • CA345604A - Goggle attachment : en fr
  • GB418968A - Improvements in or relating to automatic fire arms : en
  • US1978589A - Web detector for printing presses : en
  • BE405096A - : en
  • FR772530A - Apparatus for the destruction of mole crickets : en fr
  • DE604897C - Cinema film cassette with releasable lock for the spool core : de en
  • PL20569B1 - : en pl
  • US1978560A - Portable superheater : en
  • US1978747A - Stove : en
  • US1978467A - Mechanical deodorizer : en
  • CA345716A - Locking device : en fr
  • FR772583A - Process for improving the breadmaking ability of flour and dough as well as for the preparation of agents suitable for this purpose : en fr
  • US1978719A - Box partition : en
  • CH172783A - Process for nitriding of corrosion-resistant iron and steel alloys. : de en
  • CH172915A - Grip device for pneumatic tires. : en fr
  • US1978784A - Method of producing multicolor prints and printing plates therefor : en
  • ES134805A1 - An improved procedure for the general treatment of gases. : en es
  • FR772437A - Polyphase leakage transformer : en fr
  • IS151A7 - Equipment for shirts and skirts : en is
  • DE604833C - Device for the production of socket wrenches for safety locks : de en
  • DE604899C - Method for cutting up worn wheel tires on railway vehicles : de en
  • ES135555A1 - A method of producing purified polysaccharide of starch. : en es
  • FR772602A - Lubrication device for hollow rockets : en fr
  • US1978700A - Electrically operated driving device : en
  • CA345644A - Furnace : en fr
  • US1978926A - Sample binder : en
  • DE605080C - Electric circuit breaker : de en
  • GB418761A - Improvements in or relating to the casting of metals : en
  • SU39440A1 - Instrument for helminthological analyzes of human and higher animal feces : en ru
  • FR772481A - Process and apparatus for largely recovering heat losses occurring during cooking : en fr
  • GB418651A - Improvements in or relating to pistons : en
  • GB418782A - Improvements in apparatus for controlling the consumption of electrical energy by load devices operating on electrical power systems : en
  • CA345688A - Elastic thread manufacture : en fr
  • CH172908A - Remote control device for shock absorber. : en fr
  • FR772551A - Porous filling mass for gas containers : en fr
  • ES135386A1 - Procedure for the manufacture of blocks or tablets for the ironing of fabrics. : en es
  • ES3020U - Globe captive announcer (Machine-translation by Google Translate, not legally binding) : en es
  • GB418903A - Improvements in or relating to telephone or like systems : en
  • CH172900A - Lids on packaging items, in particular barrels made of peeled, plywood and Forssman wood. : de en
  • US1978423A - High power demountable tube : en
  • US1979229A - Removing impurities from metallurgical solutions : en
  • FR772628A - Improvements to pressurized fluid brake devices : en fr
  • US1979202A - Quirker : en
  • GB418923A - Improved apparatus for ascertaining and recording the depth of water in a river, and for like purposes : en
  • US1978610A - Lined pressure vessel nozzle : en
  • US1978897A - Tubular heat exchange device : en
  • US1979076A - Liquid-dispensing apparatus : en
  • SU39053A1 - Cutting device : en ru
  • SU39308A1 - Machine for lifting loops on knitwear : en ru
  • SU39219A1 - Differential microphone : en ru
  • DE604806C - Device for ventilating, cleaning and disinfecting the filling of feather beds and the like. like : de en
  • ES3007U - Plug for barrels. (Machine-translation by Google Translate, not legally binding) : en es
  • GB418877A - Improvements in ciphering machines : en
  • DK49469C - Process for the preparation of organic nitrogen-containing compounds by the action of ammonia on an unsubstituted dihalohydrin of a polyhydric alcohol. : da en
  • GB418629A - Improvements relating to electrical condensers : en
  • GB418977A - Improvements in or relating to flexible diaphragm fuel pumps : en
  • SU39692A1 - Bobbin changer on the loom : en ru
  • CA345622A - Cigarette machine feed : en fr
  • CH172653A - Security cylinder lock. : de en
  • CH172848A - Arrangement for regulating, for example, the voltage or the frequency of a network. : de en
  • CH172855A - Device for inserting resistors for the discharge of the residual charge of capacitors. : en fr
  • US1979057A - Food receptacle : en
  • US1979087A - Alarm clock : en
  • FR772454A - Mailbox for communications and various notices : en fr
  • CA345714A - Garment or bandage : en fr
  • PL20514B1 - The method of producing a refractory mortar. : en pl
  • US1978698A - Brake : en
  • PL20510B1 - A method of obtaining iron alloys with a very low carbon content. : en pl
  • US1978491A - Metal curb : en
  • US1979194A - Airplane having a variable lifting surface : en
  • SU39265A1 - Electromagnetic current ratio meter : en ru
  • SU39659A1 - The method of preparation of thermo insulating mass of diatomite and asbestos : en ru
  • CH172800A - Device which can be used as a braking or coupling mechanism. : en fr
  • PL20480B1 - Glass lamp for colored light. : en pl
  • SU39123A1 - Adaptation to steam superheaters located in fire or smoke tubes to increase heat absorption from the gas flow. : en ru
  • SU39299A1 - Fatty acid emulsion production method : en ru
  • US1978818A - Frequency stabilization : en
  • USD93713S - Combined bottle and stopper : en
  • SU39618A1 - Sound detection device : en ru
  • USD93741S - Design for a lamp shade : en
  • US1978793A - Bushing for dehydrators : en
  • US1978934A - Mounting means : en
  • US1979096A - Transformer : en
  • US1979193A - Method of making shoe lasts : en
  • CA345679A - Leaf treating mechanism : en fr
  • CH172953A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • CH172846A - Winding body for cable cords. : de en
  • SU39641A1 - Attraction "flight glider" : en ru
  • US1978464A - Subgrader : en
  • US1978870A - Folding stool : en
  • US1978872A - Waffle iron or the like : en
  • US1979160A - Condenser induction motor : en
  • SU39680A1 - Fastening buckets to the conveyor belt : en ru
  • CA345609A - Electrical fuse : en fr
  • CA345635A - Thermionic cathode : en fr
  • CA345702A - Fluid or gas straining apparatus : en fr
  • US1978507A - Multiple check valve : en
  • US1978516A - X-ray target : en
  • US1978694A - Folding automobile top : en
  • US1979009A - End wall for refrigerator cars : en
  • CA345643A - Electric control system : en fr
  • SU39194A1 - Device for feeding iron to a steam locomotive : en ru
  • US1978731A - Circuit breaker : en
  • US1979030A - Hand implement for treating fur : en
  • SU39326A1 - Instrument for supporting the lower jaw during anesthesia surgery : en ru
  • SU39347A1 - Apparatus for administering therapeutic drugs through the skin : en ru
  • DE605067C - Process for making photosensitive recording films : de en
  • DE605022C - Floor covering made of two rubber layers that can be laid on a base : de en
  • GB418916A - A process for the production of concentrated nitric acid : en
  • GB419066A - Improvements in net making machines : en
  • SU39136A1 - Hand stamp : en ru
  • SU39280A1 - Method of making material for magnetic cores : en ru
  • GR4983B - AUTOMATIC AND AT THE SAME TIME MACHINE FOR THE SPEECH OF THE FOREIGN CASE TITLES OF FOREIGN CINEMA WORKS. : el en
  • ES135556A1 - A machine for copying lenticular lattice films. : en es
  • GB418934A - Refrigerating apparatus for the storage and preservation of food, delicacies and the like : en
  • SU39439A1 - Flash Point Detector : en ru
  • US1978614A - Electrical welding apparatus : en
  • US1978682A - Measuring instrument : en
  • US1978896A - Fusing method and clip in the manufacture of fused multifocal lens blanks : en
  • US1978959A - Fountain pen filler and stand : en
  • GB418778A - Improvements in means for modifying the transmitted light in moving lens cinematograph machines : en
  • PL20499B1 - A blowtorch device in a steam locomotive smoke box. : en pl
  • ES135342A1 - A gasometer without water. : en es
  • ES135350A1 - A procedure to make glassware. : en es
  • FR772661A - False collar and its manufacturing process : en fr
  • FR772506A - Piston pump without valve for pumping liquids : en fr
  • FR772598A - Advertising trolley : en fr
  • US1978729A - Electromagnetic device : en
  • SU39241A1 - The method of heating the wires of electric overhead transmission lines : en ru
  • SU39482A1 - Device for installing ignition on internal combustion engines : en ru
  • SU39032A1 - Method of enrichment of olefaceous brown iron : en ru
  • SU39449A1 - Trigonometer : en ru
  • DE604974C - Classifying or sorting sieve or grate made of rods or wires : de en
  • FR772647A - Faculty : en fr
  • US1978551A - Method of manufacturing hydrogen peroxide : en
  • FR772615A - New artificial resins and their manufacturing process : en fr
  • FR772518A - Coupling system for centrifugal force regulator for electric machines : en fr
  • GB418769A - Improvements in or relating to road and like rollers : en
  • GB418990A - Improvements in or relating to electron discharge devices or valves : en
  • DE605098C - Device for the automatic control of the idle speed of the drive engine of a motor vehicle with a freewheel device and auxiliary machines operated in the auxiliary drive : de en
  • DE604810C - Device to achieve a variable, interrupted feed of material webs with a uniform initial movement, for example in rotary printing machines : de en
  • SU39466A1 - Heat insulation : en ru
  • US1979060A - Clutch : en
  • FR772450A - Automatic coin-operated device for electric heating of any objects : en fr
  • US1978580A - Separation of carbazole from anthracene : en
  • SU39078A1 - Automatic brine feeder when receiving chlorine by electrolysis : en ru
  • US1979074A - Segmental grinding wheel : en
  • ES135378A1 - Alarm signal system by means of detonations. : en es
  • FR772403A - Device for cutting strawberry runoff : en fr
  • ES135142A1 - Laminator for the manufacture of thin metal plates with fins. : en es
  • GB418929A - Improvements in machines for cutting oranges, lemons, and like fruit : en
  • PL20567B3 - Counter for determining the distance traveled by a railway car. : en pl
  • SU39636A1 - Plastic roller for spinning machines : en ru
  • ES135475A2 - IMPROVEMENTS INTRODUCED IN THE SCOPE OF THE MAIN PATENT : en es
  • FR772683A - Device for recording the longitude and latitude movements of ships and aircraft : en fr
  • DE604747C - Process for increasing the degree of impermeability of objects made of ceramic masses : de en
  • DE604842C - Rotary kiln plant : de en
  • ES135344A1 - ARRANGEMENT OF AXLES ESPECIALLY FOR AUTOMOTIVE VEHICLES : en es
  • SU39337A1 - Heating Dental Table : en ru
  • US1978586A - Method of and apparatus for vulcanizing material on articles : en
  • ES135428A1 - An apparatus that uses solar rays for heating the water necessary for any use: industrial, commercial, domestic and especially for bathrooms and showers. : en es
  • FR772473A - Process for making visible in the different positions that an object can occupy the inscriptions carried by this object : en fr
  • GB418656A - A process for improving iron or steel : en
  • CH172756A - Candle holder, in particular for Christmas tree candles. : de en
  • SU39362A1 - Catching fixtures for mine cages : en ru
  • US1978852A - Slack motion take-up device : en
  • DE604823C - Fixing of sheet metal stacks of electrical machines : de en
  • DE604876C - Device to prevent synchronous machines from falling out, which are connected to one another via a coupling line : de en
  • GB418826A - Improvements in or relating to disc mills : en
  • ES135364A1 - A cinematographic projection device. : en es
  • US1978762A - Engine : en
  • USD93737S - Design fob an electric iron : en
  • CA345613A - Filament, thread or ribbon manufacture : en fr
  • GB418886A - Improvements in or relating to shoe heels : en
  • DE605014C - Device for stacking metal sheets or plates : de en
  • FR772525A - Improvements to transformable armchairs and sofas : en fr
  • GB418746A - Improvements in or relating to the manufacture of sulphur dyestuffs : en
  • SU39551A1 - Device for lowering photographic constipation : en ru
  • GB418843A - Improvements in or relating to adjustable windows : en
  • GB419143A - Improvements in rotary agricultural cultivating implements : en
  • SU39695A1 - Weaving device for determining the movement and landing of a shuttle in a shuttle town : en ru
  • US1978456A - Binaural address system : en
  • US1978714A - Lubricating means : en
  • US1979184A - Transverse driven body : en
  • GB418963A - Indeformable wooden framework for doors and wooden constructions in general : en
  • GB418739A - Improved apparatus for punching record cards or fare tickets : en
  • GB418922A - Improvements relating to tables : en
  • CH172697A - Automatic device for applying the coils on the spindles for looms. : en fr
  • US1978641A - Illuminating projectile : en
  • GB418584A - Improvements in or relating to fluid pumps and motors : en
  • US1978918A - Thermionic tube : en
  • SU39529A1 - The method of manufacture of feed means : en ru
  • SU39614A1 - Winding device for polishing and similar machines for rewinding the twine into skeins : en ru
  • US1978527A - Shim : en
  • SU39249A1 - Device for controlling a direct current electric motor : en ru
  • ES135484A1 - An apparatus for copying lenticular lattice films. : en es
  • GB418710A - Improvements in or relating to systems for signalling or controlling over electric power mains : en
  • GB418905A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • DE604975C - Color sleeve : de en
  • DE604856C - Impeller for bicycles : de en
  • GB418911A - An improved nog or support : en
  • DE604654C - Flat weft knitting machine : de en
  • ES135438A1 - Procedure for the manufacture of rubber sheets or sheets with an irregular surface similar in appearance to the astrakhan. : en es
  • FR772696A - Improvements to processes for the production of nickel by electrolytic deposition starting from solutions of nickel salts : en fr
  • US1978678A - Flame extinguisher : en
  • DE604812C - Printing drum for rotary stencil printer : de en
  • GB418891A - Improved sterilizing and docking instrument for lambs and other animals : en
  • FR772685A - Manufacturing process for alkaline nitrates : en fr
  • FR772631A - Points totalizing device combined with a token dispensing device, more particularly for ball and coin-operated skill games : en fr
  • GB418640A - Improvements in direction finding by wireless : en
  • ES135453A1 - A procedure for the preservation of cheeses. : en es
  • ES135416A1 - Improvements in the construction of afustes for cannons or machine guns. : en es
  • DE605013C - Device for immersing plastic masses, in particular concrete, in molds : de en
  • US1978901A - Dual production and cost control recorder : en
  • SU39288A1 - The method of obtaining the product of the oxidation of dibenzantron : en ru
  • US1979190A - Multiple condenser transformer unit : en
  • US1978699A - Brake : en
  • US1978746A - Thermometer : en
  • US1978946A - Closure for bottles and other receptacles : en
  • DE604870C - Inking unit for rotogravure printing machines : de en
  • ES135489A1 - Improvements in the construction of ovens for baking bread, pastry and other uses. : en es
  • FR772410A - Non-interchangeable bar for current supply : en fr
  • DE604835C - Release device for photographic shutters : de en
  • DE604938C - Electrical condenser wound in roll form : de en
  • DK49441C - Milk cooker with a spout placed at the top edge, sloping upwards. : da en
  • CA345741A - Cellulose ester : en fr
  • SU39054A1 - Machine for cross cutting fabric and similar materials into segments of equal length : en ru
  • SU39061A1 - Mold Cleaning Machine : en ru
  • US1979019A - Record book : en
  • CH172934A - Folding boat with at least two air-filled floats, in particular for sports purposes. : de en
  • PL20531B1 - Toilet device for flushing pools. : en pl
  • USD93743S - Design for a lamp shade : en
  • PL20549B1 - A method of obtaining summon in nasal current communication, and a device for carrying out the method. : en pl
  • SU39537A1 - Circular paper machine : en ru
  • USD93747S - Design for a lamp shade : en
  • SU39231A1 - Wiring device : en ru
  • US1978891A - Method of electrical resistance flash welding : en
  • CA345617A - Mowing machine cutter : en fr
  • CH172884A - Transmitter marker for radio reception. : de en
  • DE605089C - Rotating tub for removing molten glass : de en
  • SU39237A1 - Meidinger Stopper : en ru
  • US1978997A - Power actuated carriage return mechanism : en
  • US1978537A - Process of refining metals : en
  • US1978561A - Percolator : en
  • CA345718A - Wick burner igniter : en fr
  • SU39295A1 - Method for making refractory putty : en ru
  • US1978658A - Clutch : en
  • FR772435A - Improvements to medicinal capsules : en fr
  • DE604912C - Protection device against internal faults in series capacitors : de en
  • SU39371A1 - Kitchen hearth : en ru
  • DE604894C - Typewriter : de en
  • DE604966C - Toilet bucket with a hinged lid attached to the edge of the bucket : de en
  • FR772490A - Billboard : en fr
  • GB418820A - Improvements in pneumatic tyres : en
  • US1979197A - Filter : en
  • SU39454A1 - Device for seed dressing : en ru
  • DE605000C - Coin gas meter : de en
  • SU39634A1 - Extractor for spinning machines : en ru
  • CH172943A - Process for the production of artificial structures. : de en
  • SU39068A1 - Peat bricks tedder : en ru
  • USD93712S - Design for a chair frame : en
  • SU39676A1 - Rotary tipper for trolleys : en ru
  • US1978634A - Windshield cleaner valve action : en
  • AU1523133A - Method forthe production of hydrogenation products ofthe follicle hormones : en
  • CH172880A - Circuit arrangement for receiving signals by means of discharge tubes with a sudden discharge. : de en
  • DE604843C - Packaging of bottles by means of a continuous partition made of hay, etc., which is guided alternately around the top and bottom of the bottles. : de en
  • DK49456C - Procedure for the manufacture of a fabric for covering wood, metal and other materials. : da en
  • PL20521B1 - : en pl
  • SU39612A1 - Artificial scattering mechanism for multi-barreled machine guns : en ru
  • US1978397A - Gas pressure regulator : en
  • CH172635A - Glue ring tape for fruit trees or the like. : de en
  • SU39116A1 - The method of obtaining the condensation products of phenols with aldehydes : en ru
  • SU39500A1 - Gear gear for variable angle intersecting shafts : en ru
  • US1978958A - Spud for toilet bowls : en
  • SU39224A1 - The method of obtaining amplitude modulation by adding in the antenna phase-modulated oscillations : en ru
  • SU39644A1 - Bike Attraction : en ru
  • US1978417A - Parallel motion device : en
  • US1978963A - Spacer and tie for concrete forms : en
  • PL20520B1 - Oven for roasting coffee. : en pl
  • SU39586A1 - Device for preventing the bursting device of the balloon from being hooked on the hoop and rigging : en ru
  • US1978821A - Process of hardening condensation products from phenols and aldehydes : en
  • US1979132A - Method of making patterns for die structures : en
  • PL20511B1 - A spirit iron. : en pl
  • SU39342A1 - Pump of double action ("mechanical heart") for performing artificial blood circulation in live animals and in isolated organs : en ru
  • CH172633A - Water-soluble seed dressing and process for its manufacture. : de en
  • AU1706034A - Improvements inthe firing of boilers : en
  • CA345624A - Tube making machine : en fr
  • CH172949A - Process for the preparation of 4-methyl-5-bromo-7-methoxyisatin-a-chloride. : de en
  • SU39263A1 - An instrument for measuring the effective value of a variable component of a pulsating electric current : en ru
  • SU39034A1 - Magnetic Electrostatic Separator : en ru
  • US1978465A - Pressure reducing valve : en
  • US1978664A - Charge forming device : en
  • PL20546B1 - A method of producing collector cutouts and a device for using this method. : en pl
  • FR772539A - Chassis for motor and other similar applications : en fr
  • GB418650A - Improvements in or relating to change-speed gears, more particularly for automobile vehicles : en
  • AU1769634A - Improved process for producing perforate rubber articles andthe product of such process : en
  • CA345605A - Balanced gear pump or motor : en fr
  • CH172910A - Connection between the engine block, transmission block or engine-transmission block on the one hand and the chassis of motor vehicles on the other. : de en
  • CH172748A - Image and sound recording or reproducing apparatus for separate recording media. : de en
  • DE604935C - Device for determining the assignment of the speed of a machine to the frequency of an alternating current network : de en
  • DE604947C - Device for the automatic reversal of radiant tubes : de en
  • GB419057A - Improvements in surface hardening of austenitic steels and alloy steels : en
  • CH172733A - Process for the production of a new, green sulfur dye. : de en
  • US1979051A - Locking device for revolving members : en
  • ES135349A1 - A process for making ammonium sulfate. : en es
  • ES135530A2 - AN ELECTRIC DISCHARGE TUBE : en es
  • FR772636A - Device for automatic defrosting of the temperature exchange elements of refrigeration installations : en fr
  • DE605012C - Device for moistening tobacco bales by means of moist air : de en
  • SU39064A1 - Rotary coking furnace : en ru
  • SU39137A1 - A device for producing paper tape records using a copying system : en ru
  • CA345642A - Alternating current generator : en fr
  • FR772557A - Process for producing lubricating oils : en fr
  • BE405390A - Process for producing damping cages in electric machines with cylindrical rotors : en fr
  • CH172870A - Safety goggles. : de en
  • US1978514A - Volume control : en
  • DE604729C - Portable recorder for amounts and types of goods : de en
  • DE605053C - Process for the production of optical surfaces : de en
  • CA345698A - Bar tie : en fr
  • SU39233A1 - Vernier device : en ru
  • AU1481533A - Improvements in or relating to radio receivers : en
  • CA345668A - Screw thread tap : en fr
  • CA345611A - Harrow : en fr
  • CH172823A - Method and device for cleaning, detoxifying, odorless and silencing of the exhaust gases from internal combustion engines. : de en
  • SU39085A1 - Furnace for the combustion of flotation pyrite : en ru
  • US1978977A - Mechanical element and bearing therefor : en
  • SU39649A1 - A device for pushing match strips into stacked match strips : en ru
  • US1978502A - Means for producing movement at a distance by fluid pressure : en
  • US1978834A - Automatic speed changing transmission mechanism : en
  • US1978941A - Milking machine : en
  • SU39215A1 - Stop start mechanism : en ru
  • US1978637A - Car truck bolster lock : en
  • CH172794A - Clothes button. : de en
  • GB418846A - Improvements in products for dyeing, washing and cleansing purposes : en
  • GB418872A - Improvements in vanity cases : en
  • GB418956A - Improvements in self-feeding brushes : en
  • SU39212A1 - Device for raising and lowering current collectors on electric locomotives : en ru
  • US1978540A - Mono and dipyridino quinone com- : en
  • USD93725S - Design fob a blouse : en
  • PL20468B1 - Ring for keeping the liquid flowing down the neck of the bottle, with an advertising inscription. : en pl
  • SU39266A1 - Instrument for indicating the phase sequence : en ru
  • US1978998A - Trap : en
  • BE405085A - Process for obtaining dye products by transformation of azo dyestuffs. : en fr
  • GB418854A - Improvements relating to vices : en
  • US1978640A - Airplane stabilizer structure : en
  • US1978921A - Plant protector : en
  • US1979063A - Method of manufacturing wire cloth belts : en
  • US1978662A - Absorption refrigerating apparatus : en
  • US1978827A - Folding table : en
  • ES135496A1 - A new procedure for the production of sprouted seeds and shoots without the need for soil. : en es
  • SU39258A1 - Induction relay : en ru
  • US1978849A - Portable nondefraudable cash recorder : en
  • PL20512B1 - : en pl
  • US1978399A - Ventilator : en
  • US1978710A - Plasticizer : en
  • US1979136A - Automatic power head for soot : en
  • SU39079A1 - Device for enriching air with oxygen : en ru
  • SU39275A1 - Method for facilitating ignition of metallic mercury rectifiers : en ru
  • SU39596A1 - Measuring tap : en ru
  • SU39638A1 - The form of the device for determining the tension of the thread on spinning, rewinding and similar machines. : en ru
  • US1979127A - Electrical control device : en
  • USD93744S - Design fob a lamp shade : en
  • DE604889C - Device for the fixed storage of the tree trunks to be debarked by hand : de en
  • ES135459A3 - Improvements in the construction of screens or vibrating screens. : en es
  • ES2006Y - Sheets of cigarette paper. : en es
  • GB418768A - Improvements in galvanic batteries and containers therefor : en
  • ES135335A1 - Procedure for the manufacture of charcoal tablets. : en es
  • CH172971A - Circuit for relays in AC circuits. : de en
  • AU1678234A - Improvements in or relating tothe manufacture of goods of rubber or similar material : en
  • US1978470A - Former-head : en
  • US1979236A - Truck : en
  • SU39489A1 - Cone drum with spiral groove : en ru
  • US1978478A - Radioreceiver : en
  • US1979097A - Lock switch : en
  • PL20489B1 - ^ r ^ 4- ^ rr7ogr "A chair made of resilient bent bars. : en pl
  • SU39350A1 - Furnace for melting non-ferrous metal waste : en ru
  • SU39120A1 - Apparatus for controlling gas suction to a gas main : en ru
  • SU39490A1 - Connect for drive belts : en ru
  • US1978763A - Water-insoluble azo dyes : en
  • DE604922C - Gluehofen with swiveling hotplates : de en
  • SU39183A1 - Automatic air brake for carts : en ru
  • US1978679A - Brake : en
  • US1978910A - Scale : en
  • SU39047A1 - Hydraulic stamp : en ru
  • SU39369A1 - Hydraulic or pneumatic jack for placing carts on rails : en ru
  • SU39545A1 - Multiplier cassette for a photographic camera : en ru
  • CH172725A - Process for the preparation of polymeric vinyl alcohol. : de en
  • DE605050C - Guide rail for crawlers : de en
  • DK49448C - Centrifuge for cleaning fibrous pulps, in particular pulp. : da en
  • US1978572A - Ironing attachment for sewing machines : en
  • US1978499A - Striking bag : en
  • SU39179A1 - Suspended brake for railway cars : en ru
  • US1978789A - Apparatus for making color motion pictures and cameras therefor : en
  • GB418658A - Improvements in and relating to magnetic sheets, wires or ribbons : en
  • SU39132A1 - Lithographic machine : en ru
  • SU39595A1 - Liquid dispenser in modified quantities : en ru
  • US1979123A - Case for blade heads of safety razors : en
  • CA345638A - Electric discharge device : en fr
  • GB418705A - Improvements in extruding machines : en
  • ES135105A1 - IMPROVEMENTS IN THE ELECTROLYTIC VESSELS WITH CONTINUOUS ANODES FOR THE PRODUCTION OF ALUMINUM : en es
  • GB419060A - Improvements in machines for wrapping and banding cigars and like articles : en
  • GB418644A - Improvements in or relating to shipping slings for motor vehicles : en
  • GB418748A - Improvements in or relating to methods of and apparatus for ventilating enclosures : en
  • US1979093A - Signature handling mechanism for printing presses : en
  • ES3021U - Clamping device for windows. (Machine-translation by Google Translate, not legally binding) : en es
  • CH172674A - Suspension device for curtains, drapes and the like. : de en
  • SU39104A1 - The method of production, isolation and purification of lepidine : en ru
  • DE586944C - Reversible and exchangeable shoe heel patch : de en
  • ES135351A1 - A manufacturing process of artificial leather based on skins and leather waste. : en es
  • FR772438A - Manufacturing process for playing balls : en fr
  • FR772503A - Used oil regeneration process : en fr
  • CH172703A - Tie straightener. : de en
  • FR772479A - Process for protecting pipes and other objects, as well as protective screens for the application of this process : en fr
  • SU39616A1 - Signal device : en ru
  • US1978754A - Loose-leaf book construction : en
  • GB418876A - Improvements relating to the arrangements of fuel sprayers in and combustion chambers of internal combustion engines : en
  • FR772587A - Handheld device for measuring slopes of railway tracks : en fr
  • GB418845A - Improvements relating to electric discharge lamps : en
  • DE604795C - Cash register or accounting machine with several groups of special keys arranged in a single key bank and adding and counter groups assigned to these key groups : de en
  • DE605047C - Cinematographic device : de en
  • GB418835A - The production of multi-coloured artificial cellulosic materials in the form of bottle capsules : en
  • DE604964C - Stick to support slim workpieces during cylindrical grinding : de en
  • SU39686A1 - The way water freezing : en ru
  • US1979110A - Capping machine for manual and mechanical driving : en
  • US1978770A - Hat and coat hanger : en
  • US1978776A - Machine for welding metallic articles : en
  • GB418771A - Process for fixing bundles of sheet iron to rotary magnets : en
  • SU39101A1 - The method of obtaining semi-liquid polymers of olefinic derivatives : en ru
  • SU39128A1 - Sliding steam valve : en ru
  • US1978459A - Fan or blower housing : en
  • ES135497A1 - A procedure for the manufacture of carpets. : en es
  • US1978486A - Rimless eyeglass mounting : en
  • US1979228A - Advertising make-up, follow-up, and lay-out apparatus : en
  • DE604454C - Arrangement for the directional transmission of sound in water : de en
  • SU39256A1 - Device for automatically turning on or off electrical appliances at a predetermined time : en ru
  • SU39432A1 - Wear Tester : en ru
  • SU39480A1 - Nozzle for uncompressed internal combustion engines : en ru
  • US1978672A - Beet harvester machine : en
  • DE604920C - Process for the preparation of cyclic 1,2-aminoketones : de en
  • DE604953C - Photographic receiving chamber with a finder chamber arranged above the receiving chamber : de en
  • ES135512A1 - Improvements in the construction of cylinder heads for internal combustion engines. : en es
  • SU39066A1 - Drum for milling frozen peel or with mo peat : en ru
  • SU39364A1 - Lifting height indicator or the like : en ru
  • US1978955A - Crate : en
  • US1979182A - Grave filler : en
  • USD93719S - Design for a hand bag frame : en
  • CH172815A - Process to cover load fluctuations in steam power plants. : de en
  • SU39111A1 - A method for reducing aromatic nitro compounds : en ru
  • US1979102A - Controlling rate of acceleration and retardation of elevator equipment : en
  • GB418622A - Manufacture of chromiferous dyestuffs : en
  • GB418659A - Improvements in and relating to dynamo electric machines : en
  • GB418935A - Improvements in processes for the re-incorporation into the fibres of textile materials of substances lost during the processes of production : en
  • US1978410A - Mechanism for knitting runproof or run-resistant knitted fabric : en
  • SU39530A1 - Acceptance of the method of manufacturing condensed grape juice : en ru
  • US1978649A - Bus bar and bushing connection : en
  • US1979077A - Automatic transmission : en
  • CH172831A - Method for utilizing the heat absorbed by a coolant for generators, transformers, internal combustion engines and the like. : de en
  • DE605031C - Toggle switch with low switching noise : de en
  • ES135563A3 - New procedure for obtaining solid carbon dioxide or dry ice. : en es
  • DE604971C - Casting device for stereotype plates : de en
  • SU39493A1 - A float device for adjusting the oil level and air pressure in the oil tanks for the purpose of adjusting machines, lubricants, etc. : en ru
  • PL20477B1 - Spark plug for internal combustion engines. : en pl
  • US1978615A - Door bolt and lock : en
  • CH172852A - Arrangement for generating high-frequency, linear tilting vibrations : de en
  • CH172968A - DC generator for constant current. : de en
  • US1979176A - Pneumatic conveyer : en
  • PL20534B1 - A device for automatic regulation of film exposure in cameras. : en pl
  • SU39642A1 - Attraction : en ru
  • SU39152A1 - The method of preparing sheets for firing : en ru
  • US1978405A - Apparatus for producing and finishing prints : en
  • US1978954A - Box toe : en
  • USD93706S - Design for a shoe : en
  • DE605095C - Device for the automatic regulation of the straight run of endless belts, especially felt and sieve cloths on paper machines : de en
  • FR772484A - Shock absorber for landing gear or others : en fr
  • DE605066C - Darning device for sewing machines : de en
  • SU39278A1 - Method for making mosaic surfaces for photocells : en ru
  • US1978620A - Sheet material and method of making the same : en
  • ES135411A1 - ENGINE COOLING FOR AUTOMOBILE VEHICLES WITH REAR ENGINE : en es
  • GB418695A - Energy regeneration systems for electric locomotives having direct current series motors : en
  • GB418950A - Improvements in or relating to spring mattresses, upholstery and the like : en
  • GB418865A - Improvements relating to time-pieces : en
  • CA345666A - Fixed condenser : en fr
  • CH172877A - Statistics card punch machine. : en fr
  • US1979171A - Rip strip key and attaching means for containers : en
  • US1978862A - Control device : en
  • PL20550B1 - Amplifier. : en pl
  • SU39359A1 - Fork with fixtures for serving canteens : en ru
  • DE604674C - Process for the production of lens mounts : de en
  • SU39462A1 - Cotton harvesting machine : en ru
  • SU39696A1 - Parallel vice : en ru
  • US1978685A - Method of making rear axle housings : en
  • US1978933A - Circuit continuing device : en
  • SU39672A1 - Clarke Spade Guide Tool : en ru
  • SU39023A1 - Difficult rocker : en ru
  • SU39151A1 - Method of making gears : en ru
  • SU39541A1 - A method for preparing capping and liners made of cardboard for capping vodka of artificial and natural mineral waters, wine, etc. : en ru
  • PL20494B1 - Sealed connection for ferroconcrete pipes. : en pl
  • SU39558A1 - Stereoscopic Cinematography Apparatus : en ru
  • SU39570A1 - The method of regeneration of photosensitive ferro-prussiate paper : en ru
  • DE604936C - Movable Waelzschaltstueck for electrical switches with overcurrent release : de en
  • SU39370A1 - Instrument for maintaining the lower part of the carriage box when examining the neck : en ru
  • ES135460A1 - Improvements in the construction of vibrant sieves or sieves. : en es
  • FR772537A - Sharpening device : en fr
  • GB418678A - Improvements in electromagnetic pickups : en
  • GB418868A - Improvements in or relating to grinding or abrading machines : en
  • CH172778A - Chronograph watch, shaped. : en fr
  • DE605062C - Incandescent lamp screw socket with a flexible contact part : de en
  • GB418733A - Improvements in or relating to rock-drills and like tools : en
  • CH172751A - Process for the production of light-sensitive layers by means of diazo compounds. : de en
  • US1979022A - Elevator doorlock : en
  • DE604853C - Process for the production of hard, tough alloys : de en
  • DE604983C - Process for the production of oil-filled high-voltage cables : de en
  • CA345703A - Ore concentration : en fr
  • CA345735A - Strand reeling machine : en fr
  • CA345660A - Based electric device : en fr
  • US1978400A - Rotary hydraulic air compressor and centrifugal pump : en
  • SU39360A1 - A device for serving public canteens : en ru
  • US1978495A - Medical instrument : en
  • CH172719A - Process for the preservation of fish and shellfish by cold, and installation for its implementation. : en fr
  • PL20507B1 - A method of binding atmospheric nitrogen to electric oxide. Hydrogen cyanide to help the hatch : en pl
  • SU39645A1 - Self-propelled with toy : en ru
  • US1979128A - Thermodynamic system : en
  • DE604887C - Control for starting and regulating a larger number of short-circuit armature motors used as hoist and transport machine drives : de en
  • FR772625A - Single Track Tracked Motor Vehicle : en fr
  • DE591018C - Automatic measuring device : de en
  • DE605020C - Control valve for automatic railway brakes : de en
  • DE604955C - Holding device for the retractable press frame on fruit juice presses : de en
  • ES135072A1 - A method of manufacturing a product of rubber, rubber, rubber, etc., coated on one or both sides of knitted fabrics for the manufacture of belts, corsets, adjusters, and so on. : en es
  • GB418828A - Improvements in or relating to gasfilled triodes, tetrodes, pentodes and the like : en
  • GB418919A - Improvement in pickling compounds : en
  • FR772642A - Devices for the automatic triggering of horns : en fr
  • GB418734A - Improvements in or relating to fountain pens : en
  • CH172772A - Tape recording apparatus or machine. : de en
  • PL20465B1 - : en pl
  • CH172669A - Device for cleaning window panes. : de en
  • CH172760A - Device for connecting skis and ski poles to make it more difficult for the latter to be removed by unauthorized persons. : de en
  • BE405336A - Lighting installation. : en fr
  • US1978866A - Fluid pump and drive means therefor : en
  • US1978744A - Power mold filling machine : en
  • CH172946A - Device for treating skeins of yarn with liquids. : de en
  • SU39473A1 - Method of emulsifying insecticofunisides : en ru
  • US1979233A - Rib fabric and method of making the same : en
  • SU39356A1 - The method of obtaining molded mass for casting quality steel : en ru
  • US1978477A - Burner : en
  • US1978850A - Cop winding : en
  • PL20469B1 - Railway signaling system with track electrical circuit. : en pl
  • SU39608A1 - Artillery bomb d : en ru
  • DE604884C - Kiln for laboratories, especially for dental purposes and incineration or the like. : de en
  • SU39176A1 - Wheel for railway carts : en ru
  • US1978752A - Suspension frame : en
  • US1979115A - Combined pipe cleaner and ash receiver : en
  • CH172688A - Electric hot water heater for the production of hot beverages, such as B. Coffee. : de en
  • CH172804A - Change gear with infinitely variable transmission ratio. : de en
  • GB418637A - Regulating device for dynamo electric machines : en
  • CH172938A - Process for denaturing toxic products. : de en
  • DE604809C - Device for bending clichés, galvanos, etc. like : de en
  • CH172716A - Process for the production of yeast. : de en
  • SU39531A1 - Caramel processing method : en ru
  • CA345628A - Transmission mechanism : en fr
  • CH172667A - Electric hotplate. : de en
  • CH172931A - Method for regenerative braking with valve-controlled motors. : de en
  • US1978830A - Trolley wire device : en
  • FR772508A - Device for holding sheets of paper for ventilation of accounts and similar applications : en fr
  • CH172882A - Intermediate frequency heterodyne receiver. : de en
  • CH172654A - Door lock. : de en
  • CH172806A - Safety contact device on shaft doors of electrically controlled elevators. : de en
  • DE604867C - Process for the O- or C-alkylation of phenols : de en
  • DE604896C - Film tour for roll film cameras : de en
  • DE604807C - Index sheet : de en
  • CA345685A - Cigar machine : en fr
  • BE405401A - Cinematographic film suitable for projecting images in natural colors : en fr
  • GB418863A - Improvements relating to anti-vibration mountings of engines and machines : en
  • DE604827C - Handle device for attaching various floor cleaning tools : de en
  • AU1627234A - Improvements in or relating to rotary fluid motors compressors andthe like : en
  • SU39149A1 - Devices for blowing slag from a mixer : en ru
  • US1979032A - Brake testing apparatus : en
  • CH172825A - Starting device for internal combustion engine. : en fr
  • GB418686A - Improved electric massage apparatus : en
  • CA345692A - Rubber thread manufacture : en fr
  • CH172844A - Plug-in contact device. : en fr
  • US1978625A - Wall board : en
  • US1978984A - Art of recovering blended fuels : en
  • DE604909C - Process for rolling tubes on pilgrim step rolling mills : de en
  • SU39074A1 - Apparatus for rectification with one-way flow of liquid and gas in the horizontal plane : en ru
  • US1978588A - Beverage cooling and dispensing equipment : en
  • PL20482B1 - Hygiene clothing. : en pl
  • SU39227A1 - Radio receiver : en ru
  • SU39254A1 - A device for preventing the pouring of lance converter : en ru
  • US1978810A - Hydraulic apparatus : en
  • GB418613A - Improvements relating to trawl boards for trawl fishing : en
  • DK49457C - Electric Musical Instrument. : da en
  • ES135108A1 - DEVICE FOR THE MANUFACTURE OF GLASSES OF WHICH CAN BE MADE BY COLD EMBUTITING PODS FOR CARTRIDGES AND BLANKETS FOR PROJECTILES : en es
  • GB418706A - Improvements in and relating to relay systems for producing amplified torque : en
  • SU39291A1 - The method of extraction of rosin from fir serc : en ru
  • SU39635A1 - Adaptation to tape banks with rugs and watering machines for pre-combing cotton ribbon or roving : en ru
  • CH172937A - Method of insulating buildings. : de en
  • FR772523A - Polyphase dispersion transformer : en fr
  • FR772590A - Tubular elbow for transporting materials : en fr
  • GB418643A - Improvements in buckles or slides for suspender bands, brace webbing and other bands or the like : en
  • DE604814C - Mobile device for mixing and applying rock materials and a bituminous binder for road construction : de en
  • DE604826C - Rubber weft weft knitted fabric and flat knitting machine for their production : de en
  • DE604980C - Process for the preparation of compounds of triarylmethanesulfonic acids : de en
  • PL20532B1 - A method of obtaining pine oil, rosin and other tree resins, stumps or raw plant resins. : en pl
  • DE604744C - Tobacco box with winding device : de en
  • GB418839A - Improvements in coin-freed vending machines : en
  • GB418974A - Improved oil-fuel burner for industrial purposes operated by fandraught or other low air-pressure device : en
  • CH172788A - Razor. : de en
  • US1979004A - Calendering device : en
  • DE604859C - Pyrophoric gas lighter : de en
  • ES134929A1 - A special manufacturing process of sponge-type rubber, for seats, mattresses, cushions, pillows and similar articles without springs. : en es
  • CH172766A - Swing. : de en
  • CH172857A - Device for premature quenching of the anode current in rectifiers, AC converters or converters. : de en
  • US1978805A - Electric service plug : en
  • GB418628A - Improvements in suction apparatus using compressed fluid and more particularly employed for vacuum cleaning : en
  • GB418795A - Improvements in or relating to hair curlers : en
  • PL20496B1 - Interchangeable barrel for self-reloading firearms used for practice firing and a cartridge for this purpose. : en pl
  • DE593344C - Incandescent lamp cinema with a photo-electric controlled relay for switching the incandescent lamps : de en
  • GB418585A - Improvements in furnaces for steam generating boilers and the like : en
  • DE604881C - Electrolytic cell, particularly electrolytic capacitor : de en
  • DE604913C - Phase compensation for voltage-symmetrical three-phase networks with single-phase loading : de en
  • FR772463A - Compartmentalized boat : en fr
  • DE604998C - Computing device : de en
  • DK49458C - Device for shelf brackets for glass plates and the like. : da en
  • CH172677A - Spring mattress. : de en
  • DE604927C - Lockable wheel chocks for rail vehicles : de en
  • DE605005C - Device for ensuring the synchronism of films : de en
  • SU39688A1 - The method of purification of water containing phenols, using chlorination : en ru
  • GB418797A - Improvements in or relating to indirectly heated cathodes for electron discharge tubes : en
  • SU39624A1 - A method of making gypsum negative forms for the subsequent casting of products in them : en ru
  • SU39665A1 - Electrically adjustable device for filling to the edges of cans and similar vessels with liquid : en ru
  • US1978765A - Centrifugal casting machine and method of casting : en
  • US1978942A - Ice cream dipper : en
  • FR772504A - Pipe lining process : en fr
  • FR772486A - Double-bladed saw frame with rigid tensioner : en fr
  • GB418874A - Improvements in or relating to clips for pens and pencils : en
  • CA345637A - Electric discharge device grid : en fr
  • GB418807A - Improvements in hot water bottles : en
  • PL20544B1 - Reflecting device for cameras. : en pl
  • SU39351A1 - Mold for centrifugal injection molding : en ru
  • SU39355A1 - Method of casting bells : en ru
  • DE604819C - Multi-pole toggle relay, especially for remote control systems : de en
  • DE604900C - Device for balancing the dead gear in machine tools, in particular thread grinding machines : de en
  • FR772510A - Closing device for containers and, in particular closing caps for bottles, comprising two or more thicknesses of material interconnected and material for the manufacture of said closing devices : en fr
  • GB418641A - Improvements in balanced spiral wire fabrics : en
  • DE604895C - Crushing device for piece goods : de en
  • CA345589A - Pipe beating machine : en fr
  • CA345652A - Electrical oscillation generator : en fr
  • AU1734634A - Improvement in coloured television apparatus : en
  • USD93720S - Design for a hand bag frame : en
  • FR772569A - Periodic Type Strand Wiring Electrical Conductor and Manufacturing Process : en fr
  • SU39442A1 - A device for mass preparation of a progressive dilution. : en ru
  • GB418595A - Improved appliance for teaching children to walk : en
  • DE604822C - Electric machine with flaked poles and remanence bars : de en
  • DE605025C - Dump pallet machine : de en
  • SU39598A1 - Wooden ship without frames : en ru
  • CH172928A - Railway signaling installation. : en fr
  • SU39188A1 - End valve of air brake main pipe : en ru
  • US1979138A - Pneumatic conveyer : en
  • US1978851A - Package liner : en
  • GB418883A - Improvements in liquid brake systems : en
  • CA345579A - Speed gear : en fr
  • CA345736A - Concrete form appliance : en fr
  • GB419287A - An improved load indicator for cranes and the like : en
  • US1978538A - Machine for use in the manufacture of boots and shoes : en
  • DE604901C - Grinding machine, especially for grinding the bearing journals of multi-stepped shafts : de en
  • SU39028A1 - A device for improving gold, platinum and similar metals from placers. : en ru
  • SU39418A1 - Device for mounting the membrane in the sound box : en ru
  • DE604934C - High-voltage rotary disconnector with at least one switching insulator and with an attached, independent earthing switch : de en
  • PL20564B1 - A method of producing an absorbent material for the absorption of gases. : en pl
  • FR772689A - Incombustible material : en fr
  • SU39296A1 - Method for separating oil from oilseeds : en ru
  • US1978469A - Refrigerating system : en
  • US1978943A - Ice cream dipper : en
  • DE580547C - Lubricating device for slide bearings : de en
  • DE604940C - Process for separating benzene : de en
  • DE604891C - Volume reducer : de en
  • USRE19353E - Wheel : en
  • US1978485A - Skid and barrel carrier : en
  • US1978629A - Softening water : en
  • US1978396A - Box carton : en
  • US1978567A - Folding mechanism : en
  • GB418840A - Improvements in knitting machines : en
  • CH172808A - Hydraulic jack. : de en
  • CH172970A - Device for transmitting switching commands in electrical switchgear. : de en
  • DE604914C - Process for winding bobbins on rayon spinning machines : de en
  • GB418890A - Improvements in or relating to gramophones : en
  • SU39357A1 - A method of making composite astronomical mirrors : en ru
  • US1978533A - Process of preparing molded products : en
  • US1978515A - Seat cover package : en
  • US1978964A - Dustless rock drill : en
  • CH172873A - Process for the preparation of a cyclic amine. : de en
  • CH172684A - Device for attaching boards in cupboards etc. : de en
  • SU39106A1 - Method for preparing mercaptobenzthiazole disulfide : en ru
  • SU39210A1 - Device for powering a single-phase AC motor for a brushless motor : en ru
  • SU39129A1 - Form for casting lines in type-setting machines of the Linotype system : en ru
  • SU39506A1 - Method of local protection of metal products against cementation : en ru
  • US1978605A - Tachometer : en
  • US1979050A - Mining machine : en
  • CH172675A - Waste paper bin. : de en
  • CH172727A - Process for the production of a mixture of amino acids from substances containing keratin. : de en
  • CH172640A - Rigid blinds. : de en
  • SU39444A1 - Instrument for sampling water microorganisms : en ru
  • US1978781A - Hook lock : en
  • US1979157A - Bag sealing device : en
  • SU39448A1 - Trigonometer : en ru
  • SU39594A1 - Meter for dispensing liquids in measured quantities : en ru
  • FR772646A - Pipe cleaner : en fr
  • GB418991A - Improvements in or relating to gas-filled electric discharge valves and circuit arrangements incorporating the same : en
  • CA345620A - Bearing : en fr
  • GB418720A - Devices for playing table hockey : en
  • GB418806A - Improvements in vehicle suspension systems : en
  • US1978667A - Brake : en
  • US1978927A - Bkake testing apparatus : en
  • US1979227A - Winding machine : en
  • DE604793C - Process for the production of concrete piles in the ground and previously manufactured pile section for the process : de en
  • DE604937C - Device for the rapid de-excitation of synchronous generators : de en
  • SU39096A1 - The method of purification of benzene and its fractions from thiophene : en ru
  • US1978863A - Airplane control : en
  • SU39675A1 - Lifting crane : en ru
  • US1978982A - Suction apparatus : en
  • FR772459A - One-sided opening bag frame : en fr
  • ES135447A3 - A procedure to improve lead. : en es
  • SU39022A1 - Mechanical classifier rack type : en ru
  • SU39307A1 - A device for automatically shutting down the system when a thread breaks or is tightened on a Tompkins machine : en ru
  • PL20460B1 - A device for opening and closing the gate valves with a sliding spindle from a distance. : en pl
  • US1978648A - Shaker chute construction : en
  • ES135546A1 - TUBE ROLLING MACHINE : en es
  • GB418809A - Improvements in or relating to bipartite bearings more particularly for the impression cylinders of rotary printing machines : en
  • CA345740A - Motor operated door control : en fr
  • CH172712A - Method and machine for fastening soles to shoes by means of an adhesive. : de en
  • PL20458B1 - A device for closing the gate with a sliding spindle from a distance. : en pl
  • PL20495B1 - Clamp for pens, pencils and similar items. : en pl
  • SU39629A1 - Metal Spray Gun : en ru
  • US1978497A - Cigarette case : en
  • USD93711S - Design fob a shoe : en
  • PL20478B1 - Submachine gun, especially a submachine gun with a handle that is immobile during a shot. : en pl
  • PL20570B1 - Method for the production of magnesium sulphate. : en pl
  • SU39055A1 - Device for closing rubber and textile parts : en ru
  • SU39573A1 - Photo Clip : en ru
  • US1978462A - Photomechanical machine : en
  • US1979152A - Collapsible foot rest : en
  • SU39505A1 - The method of electrolytic painting of metals : en ru
  • SU39615A1 - Device for signaling the onset of emergency operation, taken into account with a dial gauge : en ru
  • US1978936A - Switch : en
  • US1978949A - Process for production of diphenylol-propane : en
  • DE605037C - Transparent cover material : de en
  • AU1227533A - Improvements in or relating to electrical synchronizing systems : en
  • CA345619A - Grain binder : en fr
  • CA345607A - Locomotive boiler : en fr
  • CA345608A - Container : en fr
  • SU39155A1 - Fixture for securing track rails : en ru
  • SU39206A1 - A device for switching off a device preventing a train from passing a closed signal when passing an input signal to a train leaving the station in case of single-track traffic : en ru
  • US1979084A - Process of producing spotted effects on novelties, etc. : en
  • PL20553B1 - Magnetic core for the path of the current flux of inductive measuring devices, especially meters. : en pl
  • SU39144A1 - Ice Maker : en ru
  • SU39503A1 - Transmission for movement in space of the working body, mainly digging excavators : en ru
  • US1978454A - Method and means for forming special loops in knitted fabrics : en
  • DE604982C - Mechanical-pneumatic train protection system : de en
  • SU39366A1 - Swivel cantilever crane : en ru
  • SU39458A1 - Planting machine for seedlings in cups using funnels : en ru
  • US1978724A - Fountain pen cap and section : en
  • US1979006A - Internal spray nozzle : en
  • CA345618A - Fountain pen : en fr
  • CA345670A - Blowpipe : en fr
  • CA345719A - Optical projection apparatus : en fr
  • US1979130A - Rubber glove : en
  • CA345737A - Explosive : en fr
  • CA345701A - Fabric manufacture : en fr
  • CH172691A - Card with rotating hats, for cotton spinning. : en fr
  • CH172698A - Metal bobbin case for automatic looms. : de en
  • DE604813C - Office printing machine with a pressure roller that can be rolled over a flat printing form and that can be raised and lowered automatically : de en
  • DE604944C - Cookware set with support plate : de en
  • DE605091C - Angular guide rail holder : de en
  • GB418614A - Improvements in or relating to hats, helmets and similar head coverings : en
  • CH172714A - Bottom for oven. : de en
  • CH172744A - Device on file binding machines to enable files of different thicknesses to be bound. : de en
  • CA345672A - Cellulose ester : en fr
  • CH172657A - Room boiler. : de en
  • CH172722A - Extractor system, especially for leaching plant substances such as tanning and colored woods, bark, fruits, tobacco, sugary substances, herbs, drugs, etc. : de en
  • US1979053A - Article of manufacture : en
  • US1979105A - Dispenser : en
  • PL20562B1 - Impact fuse for hand grenades. : en pl
  • US1978434A - Optical apparatus for measuring the thickness of piezo electric crystals : en
  • US1978705A - Remote control for vacuum heating systems : en
  • CH172755A - Ink pens for writing and drawing pens. : de en
  • CA345614A - Seeding machine : en fr
  • CH172955A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • CA345661A - Sodium vapor lamp : en fr
  • DE604885C - Revolver-like hand syringe, especially for dental purposes : de en
  • SU39029A1 - The method of enrichment of titanomagnetite ores : en ru
  • SU39403A1 - Instrument for measuring internal diameters : en ru
  • SU39446A1 - Logarithmic counter : en ru
  • CA345710A - Sprinkler exhauster : en fr
  • CH172652A - Mortise lock. : de en
  • CH172764A - Ski with a light metal running layer attached to a wooden part. : de en
  • CH172782A - Machine tool. : en fr
  • CH172849A - Process for the manufacture of resistors with a negative temperature coefficient. : de en
  • SU39361A1 - Parachute for mine cages : en ru
  • USD93728S - Design for a service bar back : en
  • PL20497B1 - A method of making a non-riveted corrugated palisade wall made of zets. : en pl
  • US1979072A - Telephone booth : en
  • US1979200A - Filter or strainer : en
  • US1978653A - Child's bicycle : en
  • AU1588734A - Improvements in and relating to directional street refractors : en
  • CH172758A - Ball for games. : en fr
  • CA345743A - Filament, thread or ribbon production : en fr
  • SU39268A1 - Measuring device : en ru
  • SU39709A1 - Heat accumulator : en ru
  • US1978438A - Window channel : en
  • US1978450A - Cleaning cloth for irons : en
  • CA345687A - Elastic thread manufacture : en fr
  • SU39424A1 - Electric temperature controller for steam heated devices : en ru
  • US1978683A - No roll back device : en
  • SU39303A1 - Scraper for cleaning sediments on the walls of pipelines : en ru
  • US1978593A - Cracking hydrocarbon oils : en
  • SU39218A1 - Signal transmission method for vision : en ru
  • SU39301A1 - Horizontal type gas scrubber for mobile gas generators : en ru
  • US1979083A - Furnace : en
  • US1979209A - Book construction : en
  • CH172651A - Locking device for closing mechanisms of doors, padlocks, etc. : en fr
  • SU39623A1 - Exhaust device for spinning machines with an endless belt, worn on the lower middle cylinder : en ru
  • US1978666A - Brake : en
  • US1979055A - Water-insoluble azodyestuffs and fiber dyed therewith : en
  • DE596341C - Thread tensioning device, especially for braiding machines : de en
  • BE405402A - : en fr
  • CA345582A - Tool grinding fixture : en fr
  • FR772501A - Further training in timepieces and the like : en fr
  • GB418766A - Improvements in and relating to penstocks and the like : en
  • ES135332A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • CA345599A - Wood preservation : en fr
  • DE604832C - Revolving conveyor wing for conveying pulpy masses, e.g. B. grease, through a sieve : de en
  • DE605001C - Adjustable fastening device for plow parts : de en
  • CA345571A - Fibrous material digester : en fr
  • CA345730A - Tube and pipe joint : en fr
  • CH172773A - Blade bearings for measuring devices. : de en
  • SU39667A1 - Needle sorting machine with points pointing in different directions : en ru
  • SU39681A1 - Mobile Dryer : en ru
  • US1978429A - Carburetor : en
  • US1978492A - Lever plow : en
  • US1978494A - Hollow structural element : en
  • US1979129A - Milk bottle washer : en
  • CH172709A - Shoe. : en fr
  • AU1481633A - Improvements in or relating to thermionic amplifiers : en
  • US1978557A - Hand-operated machine for cutting wood and like materials : en
  • US1978627A - Vibrating plunging machine : en
  • US1978695A - Revolving tray : en
  • US1979239A - Equalized multiple bearing swivel : en
  • SU39142A1 - A device for unloading superphosphate from a Lawrence boiler : en ru
  • SU39260A1 - Ion device : en ru
  • US1978440A - Electric measuring device : en
  • US1978961A - Assist grip : en
  • PL20473B1 - Electrically illuminated board. : en pl
  • SU39177A1 - Automatic coupler for railway rolling stock : en ru
  • US1978453A - Variable diameter gripping device : en
  • US1978647A - Method for making alkali metal alcoholates : en
  • US1978730A - Equalizing nonreflux return elbow : en
  • US1978914A - Cash register : en
  • CH172648A - Ventilation door, with pallets. : en fr
  • SU39533A1 - Pulp mill for pulp and the like : en ru
  • US1978578A - Amplifier : en
  • US1978873A - Suitcase : en
  • US1978652A - Earring : en
  • CH172805A - Mechanism for triggering a movable member subjected to a high return force. : en fr
  • GB418961A - Spectacles and eyeglass frames : en
  • US1978778A - Typewriter eraser : en
  • CA345596A - Strip ticket checking machine : en fr
  • CH172847A - Electric circuit breaker. : en fr
  • PL20492B1 - Electrode de liquid heater. : en pl
  • US1978903A - Clutch mechanism : en
  • SU39226A1 - Method to improve radio performance : en ru
  • US1978659A - Gardener's tool : en
  • US1978948A - Binding composition : en
  • US1979056A - Flange lubricator : en
  • US1979198A - Condiment holder : en
  • CA345650A - Electrical instrument : en fr
  • US1978799A - Gun : en
  • CA345707A - Electron discharge device : en fr
  • PL20537B1 - Method of obtaining high-percentage peroxygen compounds. : en pl
  • CH172845A - Process for the production of underground lines which are protected against electrochemical and electrolytic corrosion and electrical flashovers. : de en
  • CH172894A - Projection screen for light advertising equipment. : de en
  • CH172952A - Process for the preparation of 4-methyl-5.7-dichloroisatin a-chloride. : de en
  • DE604890C - Device for grinding barrel-shaped toothpicks : de en
  • FR772416A - screen for t lamps. s. f. : en fr
  • CA345739A - Free-wheeling device : en fr
  • CH172932A - Rectifier system for the connection of direct current motors to a single-phase network, especially for a rectifier locomotive with a transformer. : de en
  • CA345566A - Paper dryer felt : en fr
  • SU39092A1 - The method of obtaining stable solutions of sodium aluminate : en ru
  • SU39204A1 - Hydraulic device for controlling the signals of the train itself : en ru
  • US1979223A - Animal trap : en
  • CA345588A - Can punch : en fr
  • CH172638A - Double sliding window. : de en
  • CH172736A - Method for producing a cleaning polish for painted and polished objects, in particular automobiles. : de en
  • US1978475A - Intermediate frequency amplifier : en
  • US1979155A - Apparatus for sighting and controlling guns : en
  • SU39294A1 - Lacquer method : en ru
  • US1978628A - Key cutting machine : en
  • US1979206A - Building unit : en
  • US1979211A - Glassware forming apparatus : en
  • US1978671A - Container capping machine : en
  • CH172828A - Device for holding the adjustable cam ring on breakers. : de en
  • CH172957A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • AU1743734A - Improvements in liquid filters : en
  • CH172670A - Device for applying liquids to floors, linoleum coverings and the like to be carried out by means of a handle for the purpose of treating the latter. : de en
  • CH172834A - Steam generator in which the working medium is fed to one end of at least one pipe string as feed liquid and is withdrawn as superheated steam at the other end. : de en
  • CA345722A - Lubricating apparatus : en fr
  • CH172812A - Pump for pumping concrete or similar material. : de en
  • PL20472B1 - Combustion turbine blade. : en pl
  • CH172916A - Wheel rim for motor vehicles, bicycles and similar vehicles. : de en
  • USD93717S - Design fob a circulation heater : en
  • CA345576A - Saw : en fr
  • SU39154A1 - Decking method of deeps with the help of laying and removing the linings and nashpalnikov : en ru
  • SU39317A1 - Flatting and peeling machine for bast plants : en ru
  • SU39633A1 - Modifying the mechanism for stopping a tape machine : en ru
  • AU1274833A - Outerwear garments : en
  • US1978568A - High-frequency inductance : en
  • US1978833A - Shears : en
  • SU39388A1 - The method of obtaining rubber compounds : en ru
  • GB418880A - Improvements in or relating to hydraulic shock-absorbers : en
  • ES135544A1 - PROCEDURE FOR PRODUCING WHITENING LAYERS FOR VARIOUS COLOR PHOTOCOPIES AND ESPECIALLY VARIOUS COLOR PHOTOCOPIES : en es
  • FR772657A - : fr
  • US1979113A - Sound recording and reproducing machine : en
  • SU39613A1 - Device for supplying water to the machine gun cover : en ru
  • US1978525A - Dictating and reproducing apparatus : en
  • US1978553A - Illuminated paper supporting device : en
  • BE405241A - : en fr
  • CA345636A - Polyphase oscillator : en fr
  • DE604973C - Light-sensitive layer, especially for photography and reproduction : de en
  • FR772572A - Device intended for the automatic entry and exit of coins in billiard games, vending machines and other uses : en fr
  • CH172784A - Method of cementing iron and steel. : de en
  • GB418685A - Improvements in and connected with sorting and/or grading apparatus : en
  • GB418755A - Improvements in and relating to hydraulic variable-speed gearing : en
  • GB418859A - A process for obtaining products containing spinels : en
  • USRE19358E - Method of and apparatus fob : en
  • GB418648A - Improvements in and relating to electric lamps and similar articles : en
  • GB418741A - New or improved mechanism for locking mutually hinged members : en
  • CH172668A - Device for using various cleaning materials for cleaning floors. : de en
  • SU39049A1 - Needle Sharpener : en ru
  • US1978856A - Filter : en
  • CH172689A - Pouring device on seam lock boxes. : de en
  • CH172749A - Enlarging apparatus for photographic purposes. : de en
  • SU39481A1 - Fuel pump for non-compressor internal combustion engines : en ru
  • FR772516A - Device for radiators with flat elements : en fr
  • PL20519B1 - : en pl
  • DK49452C - Machine for Black Scraping of Pig Bodies. : da en
  • FR772682A - Curve correction device, particularly applicable to the measurement of the speed of a ship : en fr
  • GB418808A - Improvements in or relating to the casting of metals : en
  • SU39309A1 - Method of forming a node for viscous network and network machine : en ru
  • SU39320A1 - The method of preparation of viscose : en ru
  • US1978573A - Ground coffee machinery : en
  • US1979085A - Thermocouple : en
  • CH172923A - Diesel locomotive with a double-acting two-stroke engine. : de en
  • SU39416A1 - Automatic scales for loose bodies : en ru
  • SU39687A1 - Clean drinking water tank : en ru
  • CH172732A - Process for the preparation of a dye of the Safranine series. : de en
  • DE605006C - Rotary lobe pump with pistons that can be moved in the rotating piston drum : de en
  • FR772445A - Improvements to dryer felts for papermaking machines and their assembly method : en fr
  • PL20565B1 - The method of manufacturing metal clips for sliding closures. : en pl
  • US1978972A - Machine for raising areas on printing plates : en
  • USD93718S - Design fob a hand bag frame : en
  • ES2569Y - Cliché head hooking on rotary duplicator machines. : en es
  • FR772498A - Improvements to the hanging brackets and their manufacturing methods : en fr
  • SU39110A1 - Method for preserving the milky juice flowing from poppy heads : en ru
  • CH172820A - Reversal for ship propulsion engines, in particular diesel engines, on ships equipped with a 7aschinentelegraph. : de en
  • SU39429A1 - Lever device for testing materials for hardness by scratching : en ru
  • SU39474A1 - Mode of operation of internal combustion engine : en ru
  • FR772639A - Advanced device for mounting the eyes in the head of sleeper dolls : en fr
  • FR772645A - Device for filing tiered loose-leaf sheets with visible margin : en fr
  • FR772692A - Improvements to high altitude oxygen inhalers : en fr
  • FR772599A - The stop valve : en fr
  • FR772671A - Manufacturing process for lacquers and pigments and products conforming to those obtained by this process : en fr
  • GB418831A - Improvements in or relating to electric signalling systems for indicating the available seating accommodation in theatres and like places : en
  • US1979214A - Case hardening : en
  • FR772517A - Advanced sprayer-sprayer : en fr
  • GB418707A - Multi-channel carrier transmission system designed more particularly for cable circuits : en
  • FR772680A - : fr
  • FR772553A - Pocket battery enhancements : en fr
  • FR772532A - Mobile track on wheels or moving walkway : en fr
  • GB418850A - Improvements relating to electric dry cells : en
  • GB419588A - Process for the manufacture of new reaction products of aliphatic amines : en
  • DE605034C - Process for preserving shark skins : de en
  • DE605057C - Rod loom : de en
  • FR772415A - Process for preparing a product based on soap and glue : en fr
  • GB418837A - Improvements in or relating to line-casting fishing reels : en
  • CH172913A - Equipment on automobiles, which by means of a door in the rear wall and removable rear seat cushions are also set up for the transport of luggage and goods, to protect the inner walls of the body from damage and soiling. : de en
  • BE405155A - Transformer for electric welding arc power supply : en fr
  • CH172874A - Sterilization plant for medical and bacteriological purposes. : de en
  • FR772623A - Improvements to felted asbestos sheets and process for gluing asbestos : en fr
  • SU39435A1 - Instrument for simultaneously measuring various amounts of liquid : en ru
  • USD93735S - Design fob a rubber floor mat : en
  • SU39343A1 - Suha Medical Bank : en ru
  • US1978727A - Paint : en
  • SU39169A1 - Method of increasing locomotive tractive effort : en ru
  • US1978761A - Door seal : en
  • US1978825A - Convex crystal and method of making same : en
  • CH172902A - Device for transporting and lifting barrel-shaped containers. : de en
  • SU39392A1 - The method of processing of copper-zinc ores : en ru
  • US1978608A - Welded nozzle for jacketed vessels : en
  • US1978643A - Joint : en
  • DE605075C - Heating element for installation in the drums of indirectly heated steam generators : de en
  • SU39398A1 - Gas analyzer : en ru
  • US1978995A - Animal trap : en
  • CA345629A - Alloy : en fr
  • DE605071C - Mechanism for stapled binders with insertion slots for the folder pin on the edge of the binder reinforced by a sheet metal strip : de en
  • PL20509B1 - Method for producing explosives. : en pl
  • US1978601A - Combination cigarette and cigar holder and ejector : en
  • SU39436A1 - Sample suspension pipette : en ru
  • US1978669A - Dual brake apparatus for automobiles : en
  • US1978962A - Washing of nitrocellulose and the like : en
  • DE605007C - Trailer coupling connected to an automatic overrun brake, especially for trailers of motor vehicles : de en
  • CH172824A - Apparatus for the mixed supply of an explosion engine with light fuel and heavy fuel. : en fr
  • DK49443C - Device for chopping machines for releasing the feed rollers. : da en
  • SU39410A1 - Gear teeth measuring device : en ru
  • SU39487A1 - Electromagnetic balancer device : en ru
  • SU39701A1 - High Altitude Wind Power Station : en ru
  • SU39025A1 - Hard Asbestos Separator : en ru
  • DE605008C - Flexible connection between an engaging and a receiving part, especially for seats in motor vehicles : de en
  • CA345724A - Signalling system : en fr
  • CH172907A - Drive block assembly for automobiles. : de en
  • US1978430A - Flange forming machine : en
  • US1978767A - Bumper attachment : en
  • USD93707S - Design fob a shoe : en
  • GB419451A - Improvements in wheels for railway cars, locomotives, or the like : en
  • GB418861A - Improvements in or relating to knives for peeling fruit, vegetables or the like : en
  • GB418944A - Fuel briquette and method for the production of same : en
  • PL20540B1 - The drive mechanism of the gear rolls in inclined mills. : en pl
  • DE604949C - Accordion or the like : de en
  • DE604854C - Cell for the electrolytic production of light metals : de en
  • US1979061A - Acid ortho-hydroxy azo dyestuffs capable of being chromed : en
  • SU39516A1 - Machine for cutting by the method of breaking into the teeth of a dolly Fellow : en ru
  • SU39522A1 - Keyboard harp : en ru
  • SU39668A1 - Machine for pasting boxes with paper tape : en ru
  • US1978713A - Overload circuit breaker : en
  • US1978919A - Card tabulating machine : en
  • ES135352A1 - Alarm device against theft. : en es
  • GB418649A - Improvements in and relating to electric motor control systems : en
  • FR772611A - Device allowing to blind leaks at the joints of the pipes without dislodging the latter : en fr
  • ES134890A1 - An improved process for shaping glass sheets and means to make it. : en es
  • CA345606A - Fine coal cleaning device : en fr
  • DE604941C - Diffusion or steam jet pump : de en
  • SU39521A1 - Guitar with neck : en ru
  • US1978442A - Electric percussion tool : en
  • US1978644A - Cord take-up reel : en
  • US1978848A - Method of making articles from latex : en
  • SU39386A1 - A method of manufacturing transmission belts and conveyor belts from rubberized rubber wastes (non-smoking fabric) : en ru
  • US1979043A - Cigarette vending machine : en
  • US1978835A - Lubricating mechanism : en
  • CA345647A - Refrigerating machine condenser : en fr
  • CA345731A - Acoustic device : en fr
  • ES3024U - Closing for containers. (Machine-translation by Google Translate, not legally binding) : en es
  • FR772482A - Locking device, especially for bicycle headlight covers : en fr
  • GB418730A - Improvements in or relating to lubricating devices : en
  • SU39400A1 - Device for measuring the height of trees : en ru
  • SU39515A1 - Separating head for cutting helical teeth, etc. : en ru
  • US1978884A - Method of reclaiming aluminous oxide grains or the like : en
  • US1978935A - Attaching means : en
  • US1979120A - Undergarment : en
  • CH172663A - Stove that can be heated with petroleum or other liquid fuels. : de en
  • DE604796C - Lubricating pump for consistent lubricating masses : de en
  • FR772524A - Universal milling machine : en fr
  • DE604697C - Process for the extraction of aluminum from alumina : de en
  • DE605048C - Film drive device : de en
  • ES135431A3 - Procedure to create the prophylactic and curative properties of anti-rachitic vitamin D in food and medicinal substances or increase those they naturally possess. : en es
  • FR772519A - Improvements in the purification of coal and in the separation of analogous substances into their parts : en fr
  • FR772678A - Method and apparatus for the flow of a liquid : en fr
  • GB418801A - Improvements in or relating to self aligning bearings or universal joints : en
  • SU39084A1 - Water spray in the chamber production of sulfuric acid : en ru
  • SU39236A1 - Non-linear distortion measurement method : en ru
  • SU39652A1 - Method of laying tobacco leaves : en ru
  • GB418988A - Improvements in or relating to arc lamps for the production of ultra-violet radiation : en
  • US1978420A - Method and apparatus for pressing pipe : en
  • US1978832A - Fuel cabinet for oil burners : en
  • US1979164A - Device and method for price marking : en
  • DE605021C - Sliding platform with external main girders : de en
  • DE604861C - Electric roller with built-in motor and transmission gear, especially for rolling mills : de en
  • PL20506B1 - The method of making bricks. : en pl
  • US1978715A - Rotary web press : en
  • FR772472A - Cufflink : en fr
  • GB418966A - An improved brush : en
  • ES135410A1 - PROVISION FOR THE CUSHIONING OF SHOCK PRODUCED BY SHOCK, BY MEANS OF SPRINGS, PARTICULARLY FOR AUTOMOBILE VEHICLES : en es
  • CH172875A - Permanent hair waving device. : de en
  • CH172683A - Drawer cabinet. : de en
  • DE604932C - Arrangement of the drive in small electric locomotives : de en
  • PL20523B1 - A method for the production of potassium hydroxide from potassium sulfate with simultaneous production of oxalic acid. : en pl
  • SU39664A1 - Device for compacting the point where a rotary kiln adjoins the mouth of a dust-collecting chamber : en ru
  • US1978473A - Structural section : en
  • US1978913A - Automatic air release means for vacuum systems : en
  • GB418972A - Improvements in carburettors for internal combustion engines : en
  • US1978900A - Punching machine : en
  • US1978536A - Apparatus for producing solutions : en
  • US1978703A - Slitter : en
  • PL20524B1 - Potato steamer. : en pl
  • SU39174A1 - Wheel for railway carts : en ru
  • SU39244A1 - Device for electrically connecting portable communication devices to communication lines : en ru
  • DE604874C - Cell set for ice makers : de en
  • FR772595A - Method of mounting the wheels of six-wheeled motor cars or similar vehicles : en fr
  • FR772500A - Automatic switching or adjusting device : en fr
  • SU39697A1 - Manual vice : en ru
  • US1978795A - Refrigeration apparatus : en
  • US1979231A - Piping, welting, or the like : en
  • SU39498A1 - Cherv Chna transmission : en ru
  • SU39548A1 - Speed indicator for slotted shutter : en ru
  • USRE19355E - Folding cot : en
  • SU39647A1 - Suspended gymnastic circus d : en ru
  • US1978480A - Pumping mechanism : en
  • USD93701S - Design for a flexible pocket : en
  • DE604880C - Process for the production of plate capacitors, in particular rotary capacitors : de en
  • SU39420A1 - Device for microscopic examination of tissues of a living organism : en ru
  • CH172840A - Connection device for brushes of electric machines. : en fr
  • SU39262A1 - Magnetoelectric measuring instrument : en ru
  • US1978967A - Electric selector device : en
  • SU39518A1 - Device for supporting or pushing rivets on nuts on piston rods of steam-air steam engine pumps : en ru
  • SU39536A1 - Automatic paper meter on paper machine : en ru
  • US1978501A - Partition support : en
  • US1979067A - Phonograph : en
  • FR772421A - Grinding disc for meat grinders and similar devices and its method of manufacture : en fr
  • IE12810L - Sulphonic acid derivatives of cyclic amidines : en
  • GB419136A - Improvements in apparatus for medical treatment with electrical oscillations of very high frequency : en
  • US1978531A - Collar : en
  • SU39501A1 - Rotary engine : en ru
  • US1978415A - Method of uniting metals : en
  • GB418881A - Improvements in or relating to hair curlers : en
  • FR772575A - Improvement in the manufacture of lightweight deep-drawn type packaging : en fr
  • ES134447A1 - Procedure for the manufacture of an article to combat harmful insects. : en es
  • ES135018A1 - Improvements in the construction of terminal blocks for electric meters of all kinds. : en es
  • ES135269A3 - X-ray application system for the recognition of the internal structure of welds of all kinds, cast, forged, rolled and riveted parts and of all kinds of metals. : en es
  • FR772633A - Improvements to heat exchangers : en fr
  • US1978987A - Liquid level indicating device : en
  • US1978436A - Drilling device : en
  • CH172942A - Process for the production of artificial structures. : de en
  • SU39368A1 - Differential winch with friction drum : en ru
  • SU39508A1 - Method for phosphating iron products : en ru
  • US1978809A - Hydraulic apparatus : en
  • DE563017C - Mixture preheater : de en
  • DE605061C - Device for automatically influencing the exchange power between two alternating current networks of different frequencies : de en
  • GB418784A - Improvements in stoppers to prevent the refilling of bottles and the like : en
  • US1978701A - Heat control method and apparatus : en
  • SU39099A1 - The method of obtaining citric acid : en ru
  • SU39119A1 - Primary resin distillation method : en ru
  • DE604801C - Procedure for lowering compressed air caissons and caissons to carry out the procedure : de en
  • FR772528A - Metal panels forming vertical formwork for reinforced concrete : en fr
  • FR772684A - Device for sewage treatment : en fr
  • US1979078A - Pea vining and threshing process and apparatus : en
  • USD93723S - Design for a dish or similar article : en
  • CA345680A - Tubular glass article manufacture : en fr
  • CH172883A - Shockproof series resistor for mains-powered radio receivers. : de en
  • SU39051A1 - Device for flooring fabrics on the tables : en ru
  • SU39192A1 - Lever device for the movement of cars : en ru
  • SU39590A1 - Brake for carriages : en ru
  • DE605018C - Rolling machine with rolls working across the workpiece for the production of copper studs : de en
  • FR772693A - Altimeter : en fr
  • ES135518A1 - Procedure for the manufacture of a liquor based on milk. : en es
  • FR772618A - Improvements in processes for the treatment of hydrocarbons : en fr
  • ES135116A1 - IMPROVEMENTS IN THE MANUFACTURE OF MUDS FOR VIOLINS OR VIOLAS : en es
  • ES135487A3 - A procedure for the manufacture of electric capacitors. : en es
  • CA345663A - Vapour electric device : en fr
  • CH172774A - Apparatus for detecting faults of all kinds in electrical lines. : de en
  • GB418855A - Improved apparatus for harrowing grass and arable land : en
  • US1978566A - Spraying machine : en