• CA343480A - Coffee filtration apparatus : en fr
  • US1968400A - Piston ring chuck : en
  • CA343572A - Elastic fabric : en fr
  • CA343554A - Center arch brick : en fr
  • DE600887C - Wear plate provided on the mouldboard : de en
  • DK49079C - Iodine accumulator. : da en
  • FR768155A - Improvements made to motor compressors with opposing free pistons : en fr
  • SU37732A1 - Method and device for regulating the operation of the siphon : en ru
  • US1968020A - Blade frame assembly for slicing machines : en
  • US1968608A - High efficiency oxide coated cathode and method of manufacture : en
  • CA343581A - Refrigeration : en fr
  • CH170721A - Electric thermostat switching device on oil firing systems. : de en
  • US1968628A - Powdered soap product and method of preparing the same : en
  • FR768318A - Flicker switch refinements : en fr
  • CA343524A - Analytical fractionating column : en fr
  • US1968029A - Automatic control for controllable pitch propellers : en
  • CA343649A - Keg tap : en fr
  • CH170818A - Cutting disc. : en fr
  • DE600898C - Method for the remote display of temperature and humidity of the atmosphere from a free balloon rising at a constant known speed : de en
  • FR768066A - Fiber toothed wheel and its manufacturing process : en fr
  • DE600941C - Process for the manufacture of vaccines : de en
  • US1968674A - Transparent mounting device : en
  • SU37718A1 - Printed form for multi-color printing on paper, fabric, leather and other materials with one print : en ru
  • SU37807A1 - The method of obtaining the starter kendyr : en ru
  • GB414335A - Improvements relating to paving slabs, garden ornaments and like structures : en
  • FR768057A - Improvements to vehicle tires : en fr
  • FR768234A - Shuttle automatic changing loom : en fr
  • CA343477A - Disinfectant device : en fr
  • FR768075A - Method and calling device for automatic telephone systems with selectors : en fr
  • FR768161A - Device for the transmission and reception of ultra-short waves : en fr
  • DE600939C - Automatic welding machine for carbon arc welding : de en
  • US1968034A - Floor and roof construction : en
  • US1968443A - Means for heating metal for rolling : en
  • US1968795A - Wetting agent : en
  • GB414649A - Improvements in auxiliary transmission mechanism for use on tractors : en
  • US1968081A - Mercury switch : en
  • US1968440A - Lacquer and method of preparing the same : en
  • US1968421A - Valved coupling : en
  • US1968635A - Freewheeling transmission mechanism : en
  • BE403914A - : en
  • CA343661A - Cable socket applying tool : en fr
  • SU37937A1 - Device for felling : en ru
  • FR768265A - Closed clamp for desiccation crevices : en fr
  • ES134564A1 - Auxiliary device for centrifugal pumps for the service of instant wells. : en es
  • FR768053A - Production of new azo dyes : en fr
  • CH170880A - Dry fire extinguishers. : de en
  • FR768235A - : fr
  • FR768308A - Improved equipment for dog races on the track after dummy game : en fr
  • GB414126A - Improvements in or relating to the stiffening of parts of footwear : en
  • CH170731A - Tools for brushing teeth. : en fr
  • CH170785A - Device on notebooks, writing pads, etc., which enables the storage and use of paper or fabric webs which are provided with layers sensitive to external influences and from which panels of any format can be separated. : de en
  • USD92875S - Design for a store front : en
  • US1968397A - Process of neutralization : en
  • AU1278433A - An improved package for confectionery or other goods : en
  • CH170876A - Milk suction bottle. : de en
  • SU37813A1 - Mechanical hammer for forming metal dental crowns : en ru
  • GB414250A - Improvements in or relating to writing points or nibs : en
  • GB414400A - Improvements in direct injection compression ignition oil engines : en
  • ES2271Y - Mechanical cradle with automatic movement. : en es
  • US1968142A - Goggles : en
  • US1968504A - Process and apparatus for storing liquid carbon dioxide : en
  • GB414344A - Improvements in and relating to electric power transmission systems : en
  • US1968802A - Method and machine for producing springs : en
  • ES134567A1 - Improvements introduced in naphtha vaporizers. : en es
  • GB414149A - Improved table-stand or tray : en
  • SU37654A1 - Tear-off fastener and method of its manufacture : en ru
  • SU37783A1 - A method of making resins for varnishes and plastics : en ru
  • SU38011A1 - Drawing device : en ru
  • US1968455A - Method and apparatus for forming pipe : en
  • US1968584A - Brake mechanism : en
  • DE600733C - Process for removing hard inclusions from thermally reduced aluminum-silicon alloys : de en
  • FR768309A - Improvements to fire extinguishers : en fr
  • US1968275A - Treatment of gas : en
  • DE600916C - Safety razor : de en
  • FR768095A - Gasifier-air generator carburized by evaporation of cold light gasoline : en fr
  • CH170794A - Chess game. : de en
  • DE586907C - Through a z. B. telescopically extendable lifting support raisable and lowerable operating and examination chair : de en
  • US1968447A - Underground conduit : en
  • US1968756A - Portfolio lock : en
  • CA343635A - Electrical prospecting method : en fr
  • CH170916A - Process for the preparation of an azo dye. : de en
  • GB414235A - Improvements in and relating to the manufacture of cast metal pipes and like articles centrifugally : en
  • US1968073A - Shuttleless loom : en
  • USD92916S - Design for a shoe : en
  • FR768373A - Improvements to acoustic devices : en fr
  • CA343595A - Shield : en fr
  • US1968199A - Equalizing bearing : en
  • US1968097A - Tensioning device : en
  • US1968280A - Cathode structure : en
  • FR768202A - Lens with multi-zone color filter, for projecting lenticular grating films : en fr
  • GB414305A - Improvements in or relating to files for documents : en
  • GB414651A - Improvements in and relating to thermionic amplifiers : en
  • AU1394733A - Electrical discharge devices : en
  • BE403848A - Combined mask and protective device against dust and gases : en fr
  • ES134565A1 - A machine for shredding chufa soaked. : en es
  • GB414190A - Improvements in miners' electric battery lamps : en
  • US1968712A - Watch dial construction : en
  • CA343488A - Corn server : en fr
  • CH170896A - Whip stick. : de en
  • SU37715A1 - Feeder for die cutter : en ru
  • US1968740A - Moccasin shoe : en
  • BE403865A - : en fr
  • CH170747A - Device for lining up the connecting links of zippers. : de en
  • CA343513A - Oar and oarlock : en fr
  • CA343589A - Therapeutic agent : en fr
  • DE600743C - Device for closing a joint between two separable parts forming a container : de en
  • US1968711A - Method and apparatus for vibrating : en
  • US1968227A - Aircraft : en
  • US1968785A - Shoe holding device for bootblack stands : en
  • DE600955C - Trailer coupling for vehicles of all kinds, especially for motor vehicles : de en
  • FR768163A - Special cushion : en fr
  • ES2785U - A fabric with curl, or so-called russians (Machine-translation by Google Translate, not legally binding) : en es
  • AU1355833A - Improvements in or relating tothe manufacture of bituminous paving mixtures : en
  • CH170892A - Journal for cinema. : en fr
  • GB414403A - Textile assistants : en
  • US1968778A - Air washer and dehumidifier : en
  • US1968330A - System for electrical precipitation : en
  • CA343561A - Slitting device : en fr
  • CH170800A - Device for viewing stereoscopic roll film images. : de en
  • SU37858A1 - Adaptation to roller devices to maintain the adjusted gap between the rollers : en ru
  • US1968121A - Toy vehicle : en
  • CA343529A - Flushing device for sinks : en fr
  • CA343643A - Thermostatic control mechanism : en fr
  • CA343650A - Centrifugal pump : en fr
  • US1968186A - Furnace construction : en
  • US1968612A - Hood catch : en
  • USD92933S - Design for a table : en
  • CH170715A - Building material for floors and walls. : de en
  • DE600731C - Winch : de en
  • DE600741C - Mirror finder camera that is designed as an independent unit : de en
  • GB414348A - Improved manufacture of phosphoric acid : en
  • US1968435A - Testing circuit : en
  • CA343654A - Staple driving method : en fr
  • ES134512A1 - Improvements in bread dough refining machines. : en es
  • GB414264A - Improvements in railroad rails and the like : en
  • FR768015A - Process for preparing gelatins for photochemical operations : en fr
  • FR768216A - Introduction of air and other gases into the water around a floating container : en fr
  • GB414112A - Improvements relating to electric carbon pile resistances : en
  • GB414243A - Safety device for protecting against theft for motor vehicles and aircraft : en
  • GB414333A - Improvements in pump stop mechanism for typographical line casting machines : en
  • GB414371A - Improvements in bearings particularly for cyeles : en
  • SU38042A1 - Air-cooled curtain shaft : en ru
  • DE600831C - Objects or coatings made of synthetic resin : de en
  • FR768160A - Spool for photographic film or other similar applications : en fr
  • US1968150A - Furnace regulator : en
  • US1968122A - Folding machine : en
  • US1968167A - Means for use in the manufacture of shoes : en
  • US1968566A - Pump assembly : en
  • CH170750A - Shoe with rubber sole, as well as method and device for the production of this shoe. : de en
  • GB414330A - Improvements in meat and like cutting machines : en
  • US1968200A - Pump valve : en
  • US1968213A - Fuse device : en
  • DE600752C - Slotted drum with a thread guide bracket arranged inside the drum : de en
  • US1968573A - Fifth wheel construction : en
  • US1968673A - Storage tank : en
  • US1968048A - Evaporator for refrigerators : en
  • SU37967A1 - A drop-holding device with a wedge clamp for friction hammers : en ru
  • USD92907S - Design for a spoon or other article : en
  • SU37739A1 - Switch gear : en ru
  • US1968082A - File box : en
  • US1968095A - Compositing cellulose ester sheets : en
  • FR768245A - Method for increasing the sensitivity of silver halide emulsions, whether sensitized or not : en fr
  • GB414653A - Improvements in the manufacture of spur and bevel wheels : en
  • SU37750A1 - Aperiodic shortwave antenna : en ru
  • SU38034A1 - Manual rolling machine : en ru
  • ES133478A1 - Improvement in the manufacture of molds for the manufacture of shoe soles based on pressed rubber powder. : en es
  • ES134275A1 - A procedure to refine vegetable and animal oils and fats. : en es
  • FR768173A - Brake control particularly applicable to cycles : en fr
  • DE600711C - Control device for full revolutions, especially for electrically driven rotary luffers : de en
  • GB414192A - A combined pencial holder and sharpening device : en
  • SU37973A1 - Apparatus for sorting loose bodies : en ru
  • SU37982A1 - Automatic paper meter on paper machines : en ru
  • US1968690A - Linen wringing machine : en
  • DE600858C - Two-thread delivery device for circular knitting machines : de en
  • ES132119A1 - A stopper meter-control meter. : en es
  • FR768177A - Advanced flying machine : en fr
  • FR768205A - Protective coating against decay for masts, sheet piles, sleepers, etc., of wood, and process for its manufacture : en fr
  • FR768376A - Means for the construction and operation of intermittent-acting absorption refrigerating apparatus : en fr
  • SU37714A1 - Adaptation in skewing machines for lowering the image drum and crestal after each imprint on the thickness of the removed paint layer from the cliche : en ru
  • US1968609A - Lawn mower sharpening means : en
  • US1968660A - Collapsible display container : en
  • US1968487A - Paper bag : en
  • CH170817A - Sharpening device, especially for safety razor blades. : en it
  • FR768250A - Device for regulating the voltage of converter installations, in particular metal steam rectifiers : en fr
  • FR768262A - Thermoplastic compositions, molded products derived therefrom and method of preparing such compositions and products : en fr
  • DE600892C - Device for moistening paper and other webs : de en
  • SU37652A1 - Electrodynamic separator for the enrichment of ores : en ru
  • US1968768A - Camera attachment for making movable photographs : en
  • CA343549A - Vacuum machine : en fr
  • DE600919C - Stiff turn-down collar : de en
  • CH170831A - Continuously working press for grapes u. s. w. : de en
  • DE600834C - Reversing gear for dry valve gas meter : de en
  • FR768301A - Rear trunk for motor cars : en fr
  • CA343560A - Oxygen concentration in a liquid bath : en fr
  • US1968240A - Braiding machine : en
  • CH170885A - Directional antenna for very short waves. : de en
  • DE600911C - Device and circuit for arc welding with single-phase alternating current : de en
  • DE600970C - Incandescent cathode with a glow wire, which is guided through a quartz tube : de en
  • GB414341A - Process for the manufacture of a fodder : en
  • US1968379A - Throttle valve and motive fluid connection for fluid actuated machines : en
  • CA343574A - Prepared resin : en fr
  • FR768320A - Improvements to electrical collector machines : en fr
  • DE600935C - Partition wall for fire-proof and smoke-proof subdivision of large accessible cable ducts between power plant and switchgear into individual sections : de en
  • SU37815A1 - Molding machine : en ru
  • CA343537A - Exerciser device : en fr
  • US1968477A - Invalid hoist : en
  • US1968582A - Fabricated dynamo-electric machine : en
  • CA343530A - Train pipe connector : en fr
  • SU37853A1 - The method of hot pressing in order to obtain products from hard alloys : en ru
  • US1968196A - System for loading and unloading trailers from railroad cars : en
  • SU37805A1 - Artificial silk cake box : en ru
  • GB414168A - Improvements in or relating to golf bags : en
  • FR768028A - Mixed aircraft upgrades : en fr
  • GB414216A - Improvements in and relating to advertising or display apparatus for use by day and night : en
  • GB414350A - Improvements in or relating to trolleys : en
  • FR768067A - Process for the preparation of iron and nickel alloys : en fr
  • US1968056A - Translating device : en
  • SU37794A1 - Device for heating isothermally compressed air : en ru
  • SU37893A1 - Summing mechanism for heat meters, steam meters and similar devices : en ru
  • SU37724A1 - Valve is hot blowing with water cooling : en ru
  • GB414162A - Improvements in or relating to electrically operated wind screen wipers : en
  • GB414298A - Improvements in interlocking arrangements for electric switches : en
  • FR768172A - Improvements to small compressors : en fr
  • SU37857A1 - Apparatus for automatic joint horizontal and vertical surveying : en ru
  • US1968070A - Headlight tester : en
  • US1968344A - Malleable aluminium alloy : en
  • US1968464A - Ignition system tester : en
  • US1968606A - Tire repair patch : en
  • SU37795A1 - Method for removing bristles from pigskin : en ru
  • GB414139A - Improvements in heating systems for motor vehicles : en
  • CA343523A - Carboy truck : en fr
  • USD92878S - Design for a shoe : en
  • US1968115A - Dispensing container : en
  • USRE19258E - Fluid actuated brake : en
  • FR768134A - Detachable fenders for motor cars : en fr
  • FR768225A - Dish tray and suction cup drip tray : en fr
  • GB414158A - Improvements in cases or cabinets for cigarettes and the like : en
  • GB414170A - Improvements in and relating to electric commutator motors : en
  • GB414372A - Improvements in or relating to electric clocks : en
  • USD92897S - Design fob a navigating bridge ob : en
  • GB414346A - Method of securing a sheath or casing on to a tubular object, the product of said method and its practical application : en
  • GB414351A - Improvements in electric starting devices for internal combustion engines : en
  • GB414376A - Improvements in chain fire-grates for steam generator and like furnaces : en
  • FR768227A - Method and devices for the pneumatic transport of grains and similar substances : en fr
  • DK49068C - Procedure for the Preparation of a Preparation for the Prevention or Treatment of Dental or Jaw Disorders. : da en
  • FR768215A - Improvements to processes for ensuring the adhesion of rubber or the like to metal parts, in particular to those for adhering a rubber sheet to a sheet of iron : en fr
  • SU37904A1 - The method of analysis of gas mixtures : en ru
  • SU37932A1 - Combine for threshing on the vine ripened seeds : en ru
  • US1968171A - Steam circulating system : en
  • SU37659A1 - Turbodrill : en ru
  • US1968354A - Meter cut-out : en
  • US1968264A - Combined bottle capper and fruit press : en
  • SU37655A1 - Fixture for fixing ball split glasses for lanterns : en ru
  • US1968613A - Antirattle dovetail for doors : en
  • GB414221A - Improved method and apparatus for rolling : en
  • DE600903C - Process for preparing carbide for azotation : de en
  • CH170919A - Process for the preparation of an azo dye. : de en
  • ES134551A1 - A process for laminating glass ribbons in a multi-roll mill. : en es
  • FR768032A - Method and apparatus for applying strips of adhesive material to objects of any shape : en fr
  • US1968568A - Electric switch : en
  • US1968154A - Process for the production of diphenyl : en
  • SU38063A1 - Method of protecting metal surfaces from rusting : en ru
  • US1968023A - Central liquid distribution : en
  • GB414134A - Improvements in or relating to submarine electric signalling systems : en
  • US1968412A - Chatter eliminator for road maintenance machines : en
  • SU37663A1 - Electric jackhammer : en ru
  • SU38024A1 - Drive unit for removable comb of card machines : en ru
  • DE600972C - Flywheel starter with manual drive : de en
  • ES134534A1 - A new boat system. : en es
  • GB414402A - Improvements in and relating to indicators for the tuning mechanism of radio apparatus : en
  • US1968367A - Fuel gas distributing system for coke ovens : en
  • USD92879S - Design for a seal fastener for sheet : en
  • USD92919S - Design fob a shoe : en
  • US1968560A - Register : en
  • SU37808A1 - The method of purification of the precipitation bath during spinning : en ru
  • US1968693A - Apparatus for the production of glass silk : en
  • CH170912A - Process for the preparation of a mixture of higher molecular weight monoalkyl glycerol ethers. : de en
  • GB414193A - Improvements in and relating to electron discharge devices : en
  • GB414117A - Process of and apparatus for the manufacture of yeast : en
  • CH170846A - High voltage switch. : de en
  • DE600912C - Device for controlling the closures of shaft conveyor vessels : de en
  • SU37864A1 - Load for immersion in hydrometric instruments : en ru
  • US1968217A - Shingle : en
  • FR768061A - Device for disengaging, engaging or reversing the feed in vertical reciprocating saws : en fr
  • SU37903A1 - Method for quantitative analysis of brass and other zinc containing alloys : en ru
  • US1968311A - Treatment of coke : en
  • FR768113A - Improvements to electric discharge lamps : en fr
  • FR768330A - Transmission with irreversible elements preventing abnormal functioning of connected organs : en fr
  • CA343556A - Engine fuel injection apparatus : en fr
  • DE600800C - Method and device for taking into account parallaxes caused by different locations of a measuring point and a point receiving the measured values or shifting of meeting points caused by other causes : de en
  • DE600988C - Arrangement for controlling the excitation of asynchronous reactive power machines : de en
  • FR768191A - Elastic joint for cardan drives : en fr
  • FR768223A - Rocking door : en fr
  • CH170907A - Bathing boat. : de en
  • DE600992C - Cross-flow plate air heater : de en
  • GB414404A - Manufacture of aromatic amino bases : en
  • SU37951A1 - Expansion device for piston rings : en ru
  • US1968184A - Air conditioner : en
  • US1968409A - Apparel : en
  • SU37817A1 - Method of releasing metal ingots from molds : en ru
  • CA343659A - Laminated glass making apparatus : en fr
  • CH170866A - Electric safety and ignition device for gas fires. : de en
  • DE600748C - Device to dampen the recoil in machine guns : de en
  • CH170812A - Automatic turning machine. : en fr
  • FR768069A - Tube protected against the effects of freezing water or aqueous solutions it contains : en fr
  • US1968135A - Lifting coupler for containers : en
  • US1968734A - Sewer pipe construction : en
  • DK49076C - Bottle opener. : da en
  • SU37947A1 - A device for measuring certain quantities of fuel and feeding it to the carburetors of internal combustion engines : en ru
  • SU38004A1 - A device for moving ships along rivers and canals using a towing cable driven by a fixed installation : en ru
  • FR768247A - Star-shaped rotary knife sharpener : en fr
  • SU37789A1 - Round stocking machine on stocking machines : en ru
  • SU37984A1 - Sheet paper dyeing machine : en ru
  • US1968215A - Tool for cleaning commutators and the like : en
  • FR768045A - New fuel : en fr
  • CA343559A - Porous gypsum product : en fr
  • DE600987C - Cable splicing machine for manual operation : de en
  • CA343624A - Cock for coffee making machines : en fr
  • DE600862C - Method for aligning cigarettes in cigarette counting and packing machines : de en
  • GB414130A - Improvements in or relating to disintegrators for foundry sand and like materials : en
  • US1968132A - Weaving shuttle weft carrier for looms : en
  • US1968423A - Fuel pump : en
  • CA343498A - Cellulose derivative product : en fr
  • DE600767C - Book protection cover : de en
  • FR768368A - Reinforced clinker cement plates with baffle joint : en fr
  • GB414136A - Manufacture of indanthrone compounds : en
  • US1968453A - Web roll controlling device for printing machines : en
  • US1968195A - Congealing solution : en
  • US1968332A - Combined cigarette case and lighter : en
  • US1968574A - Electric snap switch : en
  • AU1372233A - Improvements inthe construction of caravans : en
  • FR768374A - Combination game : en fr
  • SU37997A1 - Air pump for deep wells : en ru
  • SU38037A1 - The method of preparation of chewing tiled tobacco : en ru
  • SU38054A1 - Weaving rates for making tubular cool fabric : en ru
  • US1968269A - Dipped candle : en
  • US1968497A - Aeroplane : en
  • SU37884A1 - Sound recorder : en ru
  • GB414720A - Improvements in or relating to machines for delivering articles or packets : en
  • CA343637A - Railway car truck : en fr
  • FR768198A - Improvements to cup-making machines : en fr
  • FR768011A - Bedding item consisting of the combination of one or more separable blankets and a sheet : en fr
  • CH170711A - Method for heating or cooling an exchange surface and installation for implementing this method. : en fr
  • CH170835A - Starting device with pinion starter for internal combustion engines. : de en
  • CH170844A - Connector pin. : de en
  • FR768117A - Device for fixing the rods of tilting chair seats for performance halls or other applications : en fr
  • US1968571A - Electric current rectifier : en
  • CH170761A - Process for the production of acenaphthylene. : de en
  • SU37851A1 - Copying device : en ru
  • DE600549C - Hair waving and drying device with a heated winding rod : de en
  • FR768089A - Improvements in the mechanical manufacture of waterproof paper bags : en fr
  • CH170820A - Device for continuously engraving dedications, ornaments, writings and the like on metal bodies. : de en
  • DE600994C - Electrically heated wired glass to remove moisture deposits, especially for shop windows and means of transport : de en
  • GB414354A - Improvements in and relating to tuning and indicating devices for radio receivers and like high-frequency apparatus : en
  • CA343497A - Medicament introducing apparatus : en fr
  • CA343598A - Tire cover : en fr
  • DE600783C - Process for the production of porous or microporous objects from vulcanized rubber or the like. : de en
  • DE600940C - Process for degreasing rawhide, bare skin and leather : de en
  • GB414291A - Self-opening screw-cutting die head : en
  • CH170777A - Process for the production of nickel anodes for nickel-plating technology and related purposes. : de en
  • CH170900A - Caterpillars. : de en
  • FR768277A - Current rectifier with envelope or glass bulb : en fr
  • SU37994A1 - Hydraulic rod pump for deep wells or boreholes : en ru
  • US1968302A - Control mechanism : en
  • US1968353A - Match book : en
  • US1968679A - Rotary cylinder structure : en
  • US1968718A - Watch movement frame fastening means : en
  • GB414288A - Improved package and method of manufacturing same : en
  • GB414165A - Improvements in door and like latches : en
  • GB414244A - Improvements in or relating to trousers, coats, jackets or other garments having like leg or sleeve portions : en
  • DK49051C - Percussion fire pipes. : da en
  • DE600937C - Device for the rapid excitation of DC machines with an exciter : de en
  • DE600706C - Process for the preparation of aromatic compounds fluorinated in the core : de en
  • FR768297A - Incandescent filament electric lamp : en fr
  • FR768336A - Fire extinguisher : en fr
  • GB414263A - An improved continous water weir of reinforced concrete or the like : en
  • DE600905C - Two-axle railcar with internal combustion engine : de en
  • CH170733A - Bottle stopper and process for its manufacture. : de en
  • CH170906A - Soft. : de en
  • SU37731A1 - Reinforced concrete span : en ru
  • SU37747A1 - The method of starting a self-exciting lamp transmitter : en ru
  • CA343596A - Brassiere : en fr
  • FR768118A - fuel saver for internal combustion engines : en fr
  • CA343620A - Corrugated paper making machine : en fr
  • FR768188A - Playing card press : en fr
  • GB414150A - Improvements in coin-controlled apparatus for delivering predetermined quantities of liquids : en
  • US1968205A - Hearse : en
  • DE600927C - Reinforcement for road surfaces : de en
  • GB414290A - Improvements in fastening devices : en
  • US1968139A - Nonrefillable bottle : en
  • US1968243A - Protective coating composition : en
  • US1968739A - Radio receiving system : en
  • CA343490A - Sulphur extraction : en fr
  • CA343542A - Card for statistics : en fr
  • SU37934A1 - Screening, sorting and screening machine by grain size : en ru
  • CA343507A - Rotary pump : en fr
  • GB414321A - Improvements in or relating to devices for obtaining samples of materials from vessels : en
  • CH170749A - Fabric clamping device. : de en
  • FR768298A - Devices applied to fluid compressors, achieving, in the same cylinder, two flow rates at different pressures : en fr
  • ES134545A1 - Machine for wrapping oranges and similar bodies. : en es
  • US1968287A - Device for translating signs agreed upon : en
  • GB414246A - Improvements relating to electric boiling or hot plates : en
  • FR768240A - Rail fastening, especially for bends and rail joint assemblies : en fr
  • SU38023A1 - Card machine : en ru
  • FR768249A - Ultra-short wave transmitter device : en fr
  • FR768351A - Improvements to the hydrocarbon hydrogenation process : en fr
  • US1968337A - Egg laying registering apparatus : en
  • US1968489A - Acoustical plaster : en
  • SU37906A1 - Logarithmic counter : en ru
  • SU38028A1 - Device for trimming rollers of carding machines with a Garnet tape : en ru
  • US1968125A - Skylight rib construction : en
  • US1968525A - Thermostatic control : en
  • GB414199A - Improvements in or relating to bacon slicing machines and the like : en
  • GB414296A - Improvements relating to short wave aerial systems : en
  • BE403787A - : en
  • CA343509A - Artificial silk : en fr
  • SU37953A1 - Crank gear : en ru
  • US1968320A - Self-cleansing valve mechanism : en
  • SU37921A1 - Potato Planter : en ru
  • SU37976A1 - Caviar preservation method : en ru
  • US1968126A - Oil burner : en
  • US1968760A - Wrapper for piece goods : en
  • SU37812A1 - Blood mixing device in a Tom-Zeiss type mixer : en ru
  • DE600990C - Process for the direct and objective determination of the hardness of X-rays defined by the concept of the half-value layer by optical means : de en
  • FR768341A - Removable hopper : en fr
  • GB414231A - Improvements in the distillation of immiscible liquids : en
  • DE598936C - Door suspension by means of fish straps provided with closing and braking springs : de en
  • FR768258A - Method and apparatus for making sinks and basins : en fr
  • FR768391A - Guideways, rigid system : en fr
  • DK49052C - Device for Apparatus for the Production of Clichés. : da en
  • ES2283Y - Mechanical pointer. : en es
  • ES2787U - A new model of ice cream maker (Machine-translation by Google Translate, not legally binding) : en es
  • USD92886S - Design for an ice cream cone : en
  • ES134357A1 - Procedure for decorating plates or other objects of cement and asbestos or similar materials. : en es
  • FR768371A - Brake servicing improvements : en fr
  • US1968605A - Kidney extract for treatment of renal insufficiency : en
  • SU37995A1 - Hydraulic rod pump for deep wells or boreholes : en ru
  • AU1314033A - An improved automatic poultry feeder : en
  • CA343612A - Frequency determining system : en fr
  • SU37826A1 - Gripping device : en ru
  • GB414252A - Improvements in and relating to chocolate and other confectionery eggs and the like and in moulds for making the same : en
  • CH170727A - Springy chair. : de en
  • US1968384A - Shaping means : en
  • SU37769A1 - A device for measuring the amplitude values of a variable voltage : en ru
  • BE403775A - : en
  • CA343511A - Artificial silk : en fr
  • US1968272A - Shoe shining machine : en
  • US1968393A - Building unit : en
  • US1968587A - Vehicle brake : en
  • CH170801A - Wand watch. : en fr
  • CH170934A - Process for the preparation of a vat dye of the anthraquinone series. : de en
  • GB414648A - A new and improved weatherproof inward opening casement window : en
  • CA343479A - Bottle carrier : en fr
  • DE600845C - Device on bicycles with change gears for tensioning and releasing the drive chain while driving : de en
  • US1968140A - Plastic wax board liner : en
  • US1968695A - Miniature upright piano : en
  • SU37927A1 - Machine for harvesting tuber crops : en ru
  • US1968532A - Dual draft fume hood : en
  • FR768192A - Removable heel end : en fr
  • US1968766A - Fluid siphon for oil wells : en
  • US1968071A - Material handling device : en
  • CA343481A - Sheet material dusting machine : en fr
  • GB414148A - Improvements in the manufacture and production of aldehydes of high molecular weight : en
  • US1968646A - Internal combustion engine : en
  • USD92899S - Design for a card-game table top : en
  • CH170799A - Multi-serrated positive tone film, method and apparatus for making it. : de en
  • CH170839A - Transformer for the optional connection of two high-voltage networks with approximately the same power but different voltage. : de en
  • CH170884A - Tube device for wireless telecommunication technology. : de en
  • FR768261A - Process for obtaining contrasts on textiles by photochemical means : en fr
  • FR768347A - Cartridge based on liquid air or liquid oxygen : en fr
  • CH170806A - Watch box. : en fr
  • FR768267A - Balanced lid with quick automatic opening : en fr
  • GB414340A - Improvements in or relating to leading-in insulators : en
  • CH170782A - Method of manufacturing a printing plate with a metal base. : en fr
  • US1968508A - Apparatus for preventing accumulation of oil in cooling compartment of ice cream freezers : en
  • US1968763A - Fuse : en
  • CH170862A - Process for the temporary reduction of the total voltage of two or more rectifier groups connected in series, especially for radio broadcasters. : de en
  • CH170744A - Rotating washing drum with perforated walls for washing machines. : de en
  • DE600634C - Circuit arrangement for systems in which resonance remote control relays are excited by alternating currents, the frequency of which runs through a frequency band generated by a control frequency generator : de en
  • FR768306A - Artificial leg articulation and locking device : en fr
  • GB414186A - Process of manufacturing dental plates and the like of rubber covered entirely or partly with metal : en
  • US1968161A - Seed planter and fertilizer distributor : en
  • US1968761A - Lid or cover for journal boxes : en
  • CH170878A - Process for the preparation of sterile, aggressive solutions and device for its implementation. : de en
  • CA343600A - Hand brake : en fr
  • CA343611A - Vacuum tube detector : en fr
  • SU37755A1 - Anchor clip for steel aluminum drives : en ru
  • SU38050A1 - Fat water purifier : en ru
  • AU1312033A - An improved roadway device forthe prevention of accidents : en
  • DE600696C - Central lubrication device for consistent lubricants : de en
  • GB414179A - Improvements relating to hydraulic testing machines : en
  • DE600787C - Method and device for cooling ground material in a cooling chamber which is connected between the grinding chambers of a comminuting device : de en
  • DE600784C - Device on magnetic compasses to prevent acceleration errors : de en
  • FR768008A - Device to prevent caterpillars, slugs, all climbing insects and in particular ants from climbing trees : en fr
  • FR768212A - Moderate multi-element brake : en fr
  • USD92912S - Design foe a patrol type of : en
  • CA343566A - Shelf : en fr
  • GB414145A - Improvements in or relating to liners for internal combustion engines : en
  • SU37678A1 - Dyeing harness barge with washing device : en ru
  • SU37992A1 - The method of making autotype cliche : en ru
  • SU38060A1 - Apparatus for determining sugar in condensation waters : en ru
  • US1968238A - Handle-release mechanism for vacuum cleaners : en
  • US1968498A - Automatic phonograph : en
  • USD92937S - Combined mirror and clock : en
  • BE403599A - Process for producing very viscous oils, more particularly of the nature of lubricating oils : en fr
  • ES134385A1 - Continuous coupling by teeth that joins the interline wheel to the paper-holder roller of the typewriters and the like. : en es
  • DE600838C - Magazine speaking machine : de en
  • DE600986C - Compressed air braking device : de en
  • DK49073C - Electrical Switch with Arc Extinguishing Medium. : da en
  • GB414373A - Improvements in or relating to controllers for electric motor control systems : en
  • FR768151A - Wire feed device for wire working machines, multi-wire : en fr
  • DE527601C - Process for producing a pitch from acidic resins : de en
  • US1968522A - Automobile heater and motor cooler : en
  • FR768146A - Coffee vending machine : en fr
  • GB414217A - Improvements in and relating to the manufacture of cast metal pipes and like articles centrifugally : en
  • DE600809C - Automatic electrical control device : de en
  • FR768206A - Tanning machine : en fr
  • FR768031A - Synthetic resins and their manufacturing process : en fr
  • CH170752A - Insole. : de en
  • DE600727C - Process for the production of mineral-tanned leather : de en
  • FR768126A - Method and device for regulating the power of free-piston compressors : en fr
  • CA343629A - Yeast manufacture : en fr
  • CH170719A - Process for finishing objects in fused silica and device for carrying out this process. : en fr
  • FR768129A - Cutting machine for paper rolls and the like : en fr
  • ES2025Y - One double roll for demonstration of road graphics : en es
  • SU38043A1 - Mica delamination machine : en ru
  • US1968721A - Means for regrooving spindle whorls : en
  • USD92920S - Design for a shoe : en
  • SU37806A1 - The method of growing flax and hemp : en ru
  • US1968385A - Relay control system : en
  • SU37979A1 - Sugar Casting Device : en ru
  • SU37981A1 - Roll for preparing high concentration paper pulp : en ru
  • US1968493A - Clamshell bucket : en
  • US1968485A - Control mechanism for fluid pressure actuated devices : en
  • US1968627A - Balanced golf club head : en
  • SU37733A1 - Pneumatic steam sandbox : en ru
  • SU38005A1 - Hard pontoon for lifting sunken ships : en ru
  • US1968356A - Wet treatment of artificial silk cakes : en
  • US1968655A - Process for the purification of gases : en
  • US1968680A - Ventilating apparatus for buildings : en
  • US1968788A - Centrifugal separator : en
  • US1968803A - Bobbin stripper : en
  • US1968733A - Axle stub-removing tool : en
  • SU37773A1 - Bottom tube : en ru
  • US1968147A - Bed : en
  • GB414238A - Improvements in or relating to motor vehicles : en
  • GB414328A - Tool for cutting the matrix-teeth for a matrix composing and line casting machine : en
  • DE600587C - Burner head on regenerative ovens : de en
  • FR768013A - Aircraft machine wheel brake control device : en fr
  • ES2794U - Radiator applicable to explosion engines. (Machine-translation by Google Translate, not legally binding) : en es
  • DE600963C - Bearings for the burin or milling spindle of engraving or copying machines : de en
  • FR768268A - Dust extractor : en fr
  • FR768335A - Improvements to conveyor belts : en fr
  • SU37942A1 - Device for fishing : en ru
  • SU37850A1 - Cyanine tank for unclassified pulp : en ru
  • US1968368A - Pipe coupling : en
  • US1968649A - Dictating machine : en
  • US1968714A - Parquet floor block : en
  • US1968325A - Control for air conditioning systems : en
  • SU37696A1 - Method for continuous separation of partially miscible liquids : en ru
  • US1968341A - Agents for combating pests and in a process of applying same : en
  • US1968786A - Cooking vessel : en
  • CA343579A - Stocking supporter : en fr
  • CH170887A - Illuminated circuit diagram. : de en
  • GB414323A - Improvements in or relating to control systems for an electric elevator : en
  • US1968173A - Spraying device : en
  • US1968113A - Rotary engine or the like : en
  • US1968446A - Means for punching paper : en
  • BE403503A - Bicycle lock : en fr
  • CH170845A - Process for the manufacture of products with mutually insulated electrical conductors and insulated conductors manufactured according to this process. : de en
  • CH170909A - Machine for working the ballast of railways. : en fr
  • DE600763C - Steam oven with several baking rooms one above the other and pull-out ovens : de en
  • DE600796C - Cinema recorder with a device for triggering single and series picture recordings : de en
  • SU38052A1 - Device for neutralizing the acidic waters of fish ponds : en ru
  • US1968293A - Fuel feed system : en
  • CH170903A - Bicycles or motorcycles. : de en
  • IE12990L - Piston construction. : en
  • BE403901A - METHOD FOR MAKING COPIES ON WAFFLE FILMS : en fr
  • SU37709A1 - Method and device for continuous decomposition of phenols and naphthols : en ru
  • US1968406A - Spool winding apparatus : en
  • US1968667A - Hydraulic brake : en
  • US1968762A - Automobile seat ventilator : en
  • US1968118A - Cigarette stub pulling and extinguishing device : en
  • US1968359A - Rayon spinning machine : en
  • US1968666A - Swinging gate valve : en
  • CA343514A - Stereoscopic apparatus : en fr
  • FR768058A - Automatic tissue stop mechanism : en fr
  • FR768333A - Ceramic products and their manufacturing method : en fr
  • GB414289A - Improvements in means for mounting guns on aircraft : en
  • GB414287A - Apparatus facilitating the reversing of trailer vehicles having two wheels : en
  • CH170926A - Process for the preparation of an azo dye. : de en
  • CH170911A - Process for the preparation of a mixture of mixed anhydrides between boric acid and organic acids. : de en
  • DE600719C - Arrangement for obtaining emanation according to : de en
  • DE592047C - Glass fiber insulating material : de en
  • FR768286A - Tap with number combination for fuel lines etc. : en fr
  • US1968242A - Slitting means : en
  • FR768211A - Carabiner closure system : en fr
  • FR768393A - Method for measuring the insulation of conductors traversed by a current : en fr
  • US1968626A - Resilient golf club head : en
  • US1968110A - Internal combustion engine : en
  • CH170946A - Process for the preparation of the salt of 2,3-dimethoxy-6-nitro-9- (γ-diethylamino-B-oxy-propylamino) -acridine with 3-acetylamino-4-oxy-benzene-1-arsic acid. : de en
  • GB414143A - Improvements in and relating to bookkeeping machines, particularly to paper-feeding means therefor : en
  • SU37852A1 - Method of slag processing : en ru
  • CH170703A - Mower. : de en
  • FR768203A - Gas generator for internal combustion engine : en fr
  • FR768003A - New first aid kit in the event of accidents and illnesses : en fr
  • US1968202A - Refractometer : en
  • USD92903S - Design for an automobile : en
  • AU1591534A - Improvements in or relating to prepayment meter mechanism : en
  • SU37691A1 - A device for forming filter tablets from glass powder : en ru
  • US1968789A - Draft rigging : en
  • DE600729C - Top mattress : de en
  • USD92883S - Design for an airplane : en
  • CH170781A - Pivoting partition plate for card index boxes. : de en
  • DE600971C - Capsule blower with blower blades that are completely rounded on their outer circumference : de en
  • FR768081A - Optical and sound signaling system applicable to billiards with retractable balls : en fr
  • CH170823A - Machine system with at least two multi-cylinder piston machines. : de en
  • CA343519A - Air deflector : en fr
  • DE600774C - Procedure for measuring the slope of modulation characteristics and rectifier characteristics : de en
  • FR768116A - Flexible guide device for curtain closure : en fr
  • FR768123A - Stylograph with two metallic nibs : en fr
  • US1968800A - Light projector : en
  • FR768385A - Simple device developing a considerable force, usable as a hub puller and other similar uses : en fr
  • US1968174A - System of motor control for hoists : en
  • DK49061C - Nozzle for brick ironing machines. : da en
  • DE542157C - Manufacture of silicon compounds containing active oxygen : de en
  • GB414111A - Improvements in or relating to electro-magnetic regulating apparatus : en
  • GB414223A - Improvements in adjustable racks or partitions : en
  • CA343603A - Anesthetic composition : en fr
  • ES134580A1 - A manufacturing process for confectionery products. : en es
  • FR768078A - Process for preparing a coating, impregnation product and mastic, and plastic materials obtained : en fr
  • FR768305A - Construction of lightweight tanks for compressed gases : en fr
  • CH170783A - Device for receiving a sheet of paper on typewriters which are set up for making bookings. : de en
  • US1968442A - Process of heating and rolling steel in an inert gas inclosure : en
  • GB414185A - Improvements in water and other liquid heaters and steam generators : en
  • FR768139A - Use in t devices. s. f., a support table replacing the antenna or the frame and serving as a capacitor : en fr
  • IE13620L - Pistons. : en
  • DE600772C - Process for the production of low carbon metals : de en
  • GB414205A - Improvements in or relating to the production of rubber or like transfers and rubber or like prints : en
  • CA343571A - Brake beam : en fr
  • CA343504A - Steam valve : en fr
  • CA343553A - Foodstuff chilling method : en fr
  • ES2779U - Metallic zip closure for footwear that replaces the laces, ribbons and buttons that are currently used. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768381A - Vehicle wheel brake : en fr
  • SU37656A1 - Pillows for sealing devices for dry gas cylinder pistons : en ru
  • SU37871A1 - Vacuum Liquid Meter to Record Fuel Consumption in Internal Combustion Engines : en ru
  • SU37684A1 - Hair braiding machine : en ru
  • US1968637A - Landing chassis for aircraft : en
  • US1968327A - Apparatus for coloring photographic mounts : en
  • USD92896S - Design for a casket : en
  • USD92915S - Design for a powder box : en
  • CA343527A - Electrical cable : en fr
  • CH170858A - High frequency tuning coil with adjustable self-induction value. : de en
  • CH170894A - Portable clothes case. : de en
  • FR768400A - Glass composition for mosaic and artificial stone : en fr
  • US1968501A - Loader mechanism : en
  • US1968641A - Dispenser : en
  • DE600825C - Hydrocarbon gas generator : de en
  • DE600863C - Swimming conditioning procedures : de en
  • DK49057C - Sheath for internally heated hair wrap rods. : da en
  • DE600880C - Folding and shaping wooden heels : de en
  • CA343557A - Electric ironing machine : en fr
  • CA343586A - Pneumatic tool : en fr
  • CH170941A - A device having a synchronous motor and a mechanical drive mechanism for driving a shaft at a constant speed, in particular for driving clocks. : de en
  • CH170735A - Brushless cleaning machine for vessels, in particular for bottles. : de en
  • SU37798A1 - Method of making cellulose sulphite extract : en ru
  • SU37964A1 - Divisible head : en ru
  • US1968282A - Suction fishing tool : en
  • US1968474A - Skein-handling machine : en
  • US1968042A - Nesting box : en
  • US1968441A - Process of preparing lacquers, varnishes, or the like : en
  • US1968460A - Noise suppression circuit : en
  • US1968659A - Lifting truck : en
  • CH170714A - Hot water boiler with gas heating. : de en
  • ES134556A1 - Improvements in the manufacture of footwear. : en es
  • CH170709A - Rail. : de en
  • CH170932A - Process for the preparation of a monoazo dye. : de en
  • FR768175A - : fr
  • SU38044A1 - Packing method of fish fillets : en ru
  • US1968616A - Golf club shaft : en
  • GB414312A - Improvements in or relating to the preparation of formic acid : en
  • US1968043A - Vehicle : en
  • US1968524A - Internal combustion engine : en
  • DE600795C - Optical equipment to make a projector for black and white film suitable for the projection of lenticular films : de en
  • SU37686A1 - The method of heating the gas spool for retort internal heating : en ru
  • US1968747A - Bottle : en
  • CA343609A - Frequency multiplication : en fr
  • FR768101A - Process for the production of 1-amino-2.3-dimethylanthraquinone : en fr
  • SU38032A1 - A device for light effects : en ru
  • US1968130A - Clutch : en
  • SU37839A1 - Safety device when working on woodworking machines : en ru
  • US1968328A - Process of making inlaid mounts : en
  • US1968767A - Web cartridge belt : en
  • US1968777A - Bottle blowing machine : en
  • SU37816A1 - Bonding material for coniferous lands : en ru
  • SU37719A1 - The method of making cliches for glass : en ru
  • FR768047A - Method for sensitizing silver halide emulsions : en fr
  • AU1356333A - Improvements in cloth finishing : en
  • FR768070A - Method and device for drawing off very perishable fruit juices, unfermented musts, etc. : en fr
  • BE403519A - : en fr
  • CH170945A - Process for the preparation of the salt of 2,3-dimethoxy-6-nitro-9- (γ-diethylamino-B-oxy-propylamino) -acridine with 2-methyl-4-glycolyl-aminobenzene-1-arsic acid. : de en
  • FR768120A - Improvements to devices for cooling the molds of die-forming and line casting machines : en fr
  • GB414131A - A new and improved form of cushion for the neck and head : en
  • FR768157A - Chlorinated rubber manufacturing process : en fr
  • FR768394A - Method for making copies by reflectography : en fr
  • GB414325A - Improvements in or relating to automatic hammering or pounding-up machines for lasted shoes : en
  • CA343532A - Train pipe connector : en fr
  • DE600720C - Process for the halogenation of anthracene derivatives : de en
  • ES134122A1 - APPARATUS FOR THE ELECTRO-MAGNETIC TRANSMISSION OF SIGNALS BETWEEN A POINT ON A RAIL LINE AND A TRAIN RUNNING ON SUCH LINE : en es
  • FR768127A - Transmission Mechanism : en fr
  • GB414213A - Improvements in or relating to the manufacture of hollow metal bars : en
  • DE600737C - Pre-chamber, especially for crude oil internal combustion engines : de en
  • ES134511A3 - An apparatus for determining the quality of textile fibers and fabrics made with them and for similar applications. : en es
  • FR768195A - Spark plug : en fr
  • FR768091A - Counter-distortion optical system for cathode ray oscillographs : en fr
  • DE600739C - Smoking device : de en
  • ES134538A1 - Improvements in the machines to make current and emboquillados cigarettes. : en es
  • FR768180A - Valve device for liquid flushers : en fr
  • FR768327A - Improvements to compressors or diaphragm pumps : en fr
  • GB414166A - Improvements in or relating to apparatus for the production and supply of gaseous atmospheres for use in the heat treatment of metals : en
  • IE13273L - Invalid beds : en
  • SU37829A1 - Radiator tube element : en ru
  • SU37920A1 - Potato Planter : en ru
  • CH170758A - Process for the production of white alkali metal cyanide. : de en
  • FR768317A - Advanced device for the construction of gas expansion devices : en fr
  • CH170742A - Clothespin. : de en
  • CH170897A - Box for cigarettes, cigars, matches or the like. : en fr
  • CA343570A - Bile acid derivative manufacture : en fr
  • GB414137A - Improvements in or relating to apparatus for grilling, toasting and/or like cooking operations : en
  • GB414304A - Improvements in or relating to the casting of metal articles : en
  • CA343565A - Wire stripping machine : en fr
  • CH170778A - Method and device for driving one or more groups of at least two cooperating rollers, in particular those of cardboard and paper machines. : de en
  • FR768165A - Spring seat : en fr
  • US1968424A - Razor blade sharpening device : en
  • GB414118A - Improvements in kiln plants for burning cement or similar materials : en
  • SU37905A1 - Method and apparatus for analyzing gases for the content of gels in them : en ru
  • US1968563A - Method of making a female pipe coupling member : en
  • SU37676A1 - Disc threading plate : en ru
  • US1968276A - Milling machine transmission and control : en
  • SU38029A1 - Comb for folding, tape and bucket-roll machines for bast fibers : en ru
  • US1968075A - Detachable hose coupling : en
  • US1968751A - Pasteurization of milk and other liquids : en
  • CA343648A - Phosphorous resin : en fr
  • DE600998C - Safety device for brakes or presses : de en
  • GB414398A - Improvements in direct injection compression ignition oil engines : en
  • US1968579A - Hand luggage case : en
  • CH170810A - Automatic electric welding machine. : de en
  • DE1308797U - : de en
  • CH170943A - Bulb for vehicle headlights. : de en
  • ES134576A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • SU37649A1 - Apparatus ("depressiometer") for automatic control of crystallization of substances in boiling solutions : en ru
  • SU37865A1 - Invelirna rake : en ru
  • US1968438A - Driving mechanism for sound recording and reproducing systems : en
  • CH170738A - Stranding machine. : de en
  • FR768325A - Control principle, for screen lamps intended for producing fixed or animated figures or luminous signs, or for any other use : en fr
  • US1968018A - Tobacco feed for making dense-end cigarettes : en
  • US1968516A - Bolt : en
  • US1968706A - Car coupler : en
  • FR768104A - Improvements to elastic bases for seats and mattresses : en fr
  • FR768199A - Cornet or bag, especially for fruits : en fr
  • FR768299A - Improvement in rubber boots and gaiters : en fr
  • US1968209A - Sign-holding device : en
  • US1968278A - Differential drive for rolls : en
  • USD92900S - Design fok a modernistic violin : en
  • FR768186A - Washer for laundry : en fr
  • FR768220A - Aircraft landing platform : en fr
  • GB414228A - Improvements in thermionic valves : en
  • USD92877S - Design for a fly swatter : en
  • US1968725A - Cartridge belt : en
  • US1968350A - Compact : en
  • US1968650A - Packing : en
  • DE600985C - Eccentrically mounted rope fork : de en
  • FR768086A - Device for disinfecting and cleaning the mouths of telephone and similar apparatus : en fr
  • FR768213A - Dough winder : en fr
  • CA343591A - Calcium sulphate plaster mix : en fr
  • SU37838A1 - Ribbon cutter on a plywood rebinder : en ru
  • SU37922A1 - Bunker for planting machine : en ru
  • US1968098A - Tobacco stemming machine : en
  • CA343564A - Carboxylic acid : en fr
  • US1968251A - Tape tensioning means for cable wrapping machines : en
  • US1968683A - Reaper : en
  • DE600388C - Hydraulic braking device with a pressure cylinder : de en
  • US1968249A - Feeding head for reciprocating or jigging conveyers : en
  • US1968329A - Metal spraying apparatus : en
  • SU37929A1 - Device for driving a mower cutter and the like : en ru
  • USD92874S - Design for a game device : en
  • SU37952A1 - Spring-lever device for driving the rotary lever of the electric switch : en ru
  • US1968050A - Heat transfer and refrigeration : en
  • US1968500A - Commodity vending machine : en
  • US1968204A - Linoleum installation : en
  • US1968290A - Cushion shoe : en
  • CA343631A - Bituminous material carbonization : en fr
  • DE600842C - Electric starter with a friction gear for internal combustion engines : de en
  • SU37725A1 - Device for sucking metal out of m on the hearth of open-hearth furnaces : en ru
  • SU37729A1 - Oil to the quenching furnace : en ru
  • US1968708A - Electric water heater : en
  • SU37685A1 - Combined coking oven of kexperative or recuperative type : en ru
  • SU37860A1 - Marking table : en ru
  • SU37950A1 - Bending tube : en ru
  • USD92932S - Design fob a hat : en
  • CH170888A - Electrical telecommunication device with control mechanism in the receiver. : de en
  • SU37831A1 - The device of the longitudinal connection of wooden bars : en ru
  • FR768326A - Method and apparatus for water purification : en fr
  • SU37915A1 - Desk for the book of complaints : en ru
  • US1968783A - Artificial stone ftook and method : en
  • USD92927S - Design for a brooch : en
  • DE600801C - Manufacture of identification plates for motor vehicles : de en
  • US1968592A - Control mechanism : en
  • US1968744A - Drafting board : en
  • AU1581834A - Improvements in and relating to lehrs with roller beds : en
  • CH170879A - Respiratory. : en fr
  • SU37784A1 - Method of preparation of putty : en ru
  • SU38014A1 - Flick Heel Press Machine : en ru
  • CH170871A - Process for the production of a metal plate consisting of different layers, which has to conform exactly to a detailed base and plate produced according to this process. : de en
  • CH170701A - Mechanical seed drill. : en fr
  • CH170837A - Fuel valve for internal combustion engines working with ignition and propellant fuel. : de en
  • SU37856A1 - Electrolyzer for producing metallic magnesium by electrolysis of molten chlorides : en ru
  • US1968536A - Balancer : en
  • SU37987A1 - Film photographic camera : en ru
  • US1968719A - Fire door : en
  • DE600956C - Locking device for the accelerator pedal of motor vehicles : de en
  • AU1551033A - Radiofrequency receiver : en
  • USRE19260E - Air filter for heating and ventilating units : en
  • GB414119A - Improvements in or relating to submarine electric cables : en
  • CA343512A - Golf club : en fr
  • GB414153A - Improvements in the manufacture or treatment of textile and other shaped materials and articles made of or containing organic derivatives of cellulose : en
  • SU37726A1 - The method of hardening steel products for austenite : en ru
  • SU38020A1 - Method of making art objects : en ru
  • US1968062A - Lettering brush : en
  • US1968724A - Process for water purification : en
  • CH170805A - Shock and impact resistant watch. : de en
  • FR768096A - Improvements to roller dampers and the like : en fr
  • FR768100A - Isoaldehyde oxidation process : en fr
  • US1968675A - Conveyer roll disk assembly : en
  • US1968102A - Garment bag : en
  • US1968288A - Variable speed transmission : en
  • US1968715A - Expansible joint structure : en
  • ES134583A1 - Electric cigarette lighter : en es
  • FR768307A - Process for the decoration by reserve effects of fabrics constituted by or containing ethers salts of cellulose, as well as in themselves fabrics decorated by this process : en fr
  • GB414218A - Manufacture of chromiferous dyestuffs : en
  • SU37925A1 - Potato harvesting machine : en ru
  • SU37706A1 - The method of hydrogenation of cinnamic acid : en ru
  • US1968636A - Rewinding machine : en
  • US1968036A - Tool for forming containers : en
  • US1968520A - Control for change speed mechanisms : en
  • USD92923S - Design fob a shoe : en
  • AU1357233A - Manufacture of portland and aluminous cements and hydraulic and hydrated limes orthe like : en
  • DE600757C - Electric noble gas lamp with glow electrodes and an addition of mercury vapor : de en
  • FR768243A - Method and apparatus for the purification of oils : en fr
  • GB414234A - Improvements in or relating to the manufacture of porous rubber : en
  • US1968012A - Footwear : en
  • US1968093A - Corrosion prevention : en
  • US1968541A - Poison powder distributor : en
  • USD92895S - Design fob a back bab base : en
  • US1968437A - Art of stiffening : en
  • US1968615A - Furnace wall : en
  • USD92905S - Design fob a mechanical pencil : en
  • FR768396A - Improvements to devices intended to detect cracks or other defects in electrical conductors : en fr
  • FR768399A - Extendable cutter : en fr
  • BE403625A - Process for the production of images in natural colors on paper and devices (motion pictures) : en fr
  • CA343630A - Yeast manufacture : en fr
  • US1968607A - Loose leaf binder : en
  • DE600773C - Device for excitation of vibrations by means of tuning forks for single-frequency transmitters or the like. : de en
  • FR768136A - Portable grid for walls or wall coverings in tiles or slabs : en fr
  • US1968506A - Fuel tank lock : en
  • CH170850A - Device to prevent energy storage drives from overflowing for apparatus that can assume several positions with reversible direction of movement. : de en
  • US1968168A - Securing trim panels or the like : en
  • SU37651A1 - Gold Recovery Instrument : en ru
  • SU37916A1 - Monitoring device for recording machine operation : en ru
  • US1968570A - Electric current rectifier : en
  • US1968672A - Vehicle tramway : en
  • SU37736A1 - Sealing device between the air and water reservoir of the hydro-accumulator : en ru
  • CH170775A - Fibrous plate. : de en
  • DE599313C - Process for the production of Isoliergehaeusen with embedded metallic fastening parts : de en
  • GB414381A - The manufacture of azodyestuffs and intermediate products therefor : en
  • US1968232A - Convertible sitting or reclining quarters for motor truck relief drivers : en
  • US1968456A - Gaseous pressure wave absorbing construction : en
  • AU1595834A - Improvements in or relating to the hydration of loefines : en
  • CH170798A - Writing bureau machine. : de en
  • FR768108A - Improvements to mine props : en fr
  • SU37695A1 - Water trap for scrubbers : en ru
  • SU38002A1 - A device for braking the middle roller of the gear boxes on the STZKhTZ tractors, etc. : en ru
  • SU37752A1 - The method of pressing electrical insulation products from plastics : en ru
  • SU38045A1 - Container for tobacco : en ru
  • US1968374A - Signal : en
  • SU38038A1 - A device for cutting clay pipes and the like when they are molded : en ru
  • US1968149A - Phonograph pick-up mechanism : en
  • FR768384A - Polluted water purification process : en fr
  • CA343592A - Nickel copper alloy : en fr
  • CA343621A - Rectifier and pentode : en fr
  • CH170947A - Automatic play adjustment device for vehicle brake linkage. : en fr
  • SU37833A1 - Camera : en ru
  • SU38048A1 - The way to soften hard water : en ru
  • US1968111A - Windshield heater : en
  • SU38053A1 - Booster : en ru
  • US1968682A - Apparatus for the production of solid ammonium sulphate and diammonium phosphate : en
  • SU37657A1 - Automatic reversing tool feeder : en ru
  • SU37688A1 - The method of obtaining briquettes : en ru
  • SU37762A1 - Safety device for reversing switch of the electric motor used to drive the rocking furnace : en ru
  • US1968548A - Apparatus for the control of blast furnaces : en
  • DE600769C - Process for the production of chlorobromo alcohols : de en
  • FR768238A - New adhesive strip : en fr
  • GB414272A - Improvements in or relating to refuse destructors : en
  • US1968466A - Method of producing stable nitrocellulose : en
  • US1968420A - Telephone system : en
  • US1968463A - Agricultural hand implement : en
  • US1968533A - Machine for removing paste from grids : en
  • CA343503A - Telephone indicia indicator and register : en fr
  • DE600744C - Covering device on copiers : de en
  • SU38007A1 - Lapping machine : en ru
  • US1968211A - Bottle hooding device : en
  • US1968511A - Railway car : en
  • DE600699C - Illuminated circuit diagram in which the lines are represented by fluorescent tubes : de en
  • DE600747C - Frame for winding ropes, especially fire ropes : de en
  • US1968534A - Apparatus for use in locating points of maximum or minimum temperatures : en
  • CA343518A - Hydraulic apparatus : en fr
  • US1968077A - Lamp connection : en
  • SU37847A1 - A method of making plastics from wood flour, etc. : en ru
  • US1968244A - Protective coating composition : en
  • US1968411A - Convertible toothbrush : en
  • CH170803A - Winding mechanism for watches. : en fr
  • FR768337A - Fixing device for portable shears : en fr
  • SU37648A1 - Aerobic lobe method of spinning plants : en ru
  • US1968407A - Drive control device for stokers : en
  • US1968544A - Phosphoric acid purification by solvent extraction : en
  • SU37848A1 - The method of manufacturing plastics : en ru
  • US1968176A - Fertilizer : en
  • SU37882A1 - Device for recording sound from a film : en ru
  • US1968798A - Means for securing floor boards and the like : en
  • CH170899A - Tractor. : en fr
  • CH170908A - Device for controlling the brakes of aircraft wheels. : en fr
  • DE600954C - Device for adhering photographic films to paper or similar tabs : de en
  • DE600764C - Slider for zippers : de en
  • CA343655A - Fish basket : en fr
  • FR768358A - Method and apparatus for drying liquid and solid materials at low temperature : en fr
  • GB414405A - Improvements in apparatus for regulating the dampers of stoves or furnaces : en
  • DE600789C - Organ-like musical instrument : de en
  • FR768144A - Projection device : en fr
  • DE600902C - Impeller for impeller turbines with rotating blades : de en
  • SU37690A1 - Drainage filter for bulk material : en ru
  • US1968360A - Oil burner : en
  • US1968258A - Receptacle closure : en
  • US1968503A - Fruit washing machine : en
  • US1968322A - Punch : en
  • CH170807A - Waterproof device for winding and setting the time. : en fr
  • FR768073A - Hanging inkwell with reservoir for writing instruments : en fr
  • SU38040A1 - Muffle tunnel kiln : en ru
  • US1968326A - Egg tray rack : en
  • DE600869C - Process for the preparation of guanidine salts from cyanamide salts : de en
  • FR768024A - Gear mechanism for controlling rolling mills : en fr
  • FR768169A - Improvements to piston grips : en fr
  • CH170753A - Equipment with band saw for dressing Hau sticks. : de en
  • DE600779C - Toggle switch with noise dampening : de en
  • DE600802C - Template table for engraving machines for easily interchangeable templates : de en
  • FR768115A - Vegetable slicer and fruit juicer : en fr
  • SU37701A1 - The method of obtaining sodium sulfate : en ru
  • SU38000A1 - Device for loading long goods on the car : en ru
  • SU38008A1 - A manually lapping tool for different piston steam distribution valve of the Westinghouse brake pump, etc. : en ru
  • US1968629A - Automatic reclosing circuit breaker system : en
  • US1968162A - Flat knitting machine : en
  • US1968166A - Rotary printing press : en
  • US1968651A - Continuous sludge removal method and apparatus : en
  • CA343501A - Mail receiving device for doors : en fr
  • SU37738A1 - Electric Mortise Switch actuator : en ru
  • US1968343A - Electrical speed controlling device : en
  • US1968039A - Educational apparatus : en
  • US1968063A - Process for the preparation of hydrogen : en
  • US1968387A - Power mechanism : en
  • SU37751A1 - The method of obtaining the traveling wave in the feeder at two frequencies : en ru
  • SU37963A1 - Milling machine for machining aircraft propellers : en ru
  • SU38062A1 - The device for casting the brittle in the form : en ru
  • SU37743A1 - Device for receiving electrical code pulses : en ru
  • SU38051A1 - Water Disinfection Filter : en ru
  • US1968170A - Means for holding shoe uppers in lasted position : en
  • US1968617A - Crystal frequency adjustment : en
  • USD92902S - Design foe a flour sifter : en
  • CA343616A - Dynatron radio receiver : en fr
  • GB414265A - Improvements in or relating to photographic cameras : en
  • US1968299A - Front end construction : en
  • ES134361A1 - Improvements in the devices designed to prevent the splash of water or mud by the vehicles in motion. : en es
  • ES2775U - A new car horn (Machine-translation by Google Translate, not legally binding) : en es
  • ES134301A1 - Electric appliance heating stove. : en es
  • DE600814C - Spring testing machine with a separate drive from the force measurement : de en
  • US1968304A - Ink remover : en
  • FR768092A - Cathodic oscillograph, especially for television : en fr
  • FR768207A - Automatic clutch release device for agricultural machinery : en fr
  • GB414359A - Improvements in or relating to means of correcting distortion of electric signals byamplifiers : en
  • US1968362A - Universally adjustable high speed tool mounting : en
  • DE600804C - Drying drum : de en
  • ES2774U - Curling and hair curling device. (Machine-translation by Google Translate, not legally binding) : en es
  • US1968224A - Ignition timer : en
  • US1968033A - Process and product relating to tertiary ethers : en
  • DE600790C - String instrument with sound amplification : de en
  • SU37862A1 - Device for automatic shooting of a plowed soil profile : en ru
  • DE600756C - Device to indicate that high voltage fuses have blown : de en
  • ES134358A1 - A procedure for the production of waterproof fabrics. : en es
  • ES134574A1 - A machine for scraping shoe parts. : en es
  • GB414266A - Improvements in or relating to circuit arrangements for the selective reception and/or amplification of electrical oscillations : en
  • ES134557A2 - IMPROVEMENTS IN THE FOAM PRODUCING APPARATUS, OBJECT OF THE MAIN PATENT : en es
  • GB414116A - Improvements in or relating to folding tables, trays and the like : en
  • FR768292A - Pile or sheet pile driving process : en fr
  • FR768291A - Alarm system triggering device for safety boxes : en fr
  • GB414379A - An instructional toy : en
  • SU37849A1 - Method for producing metallic barium : en ru
  • USD92908S - Design fob a bag frame : en
  • SU37777A1 - Device for electric welding of thin strips to massive parts : en ru
  • FR768311A - Ionic relay with three electrodes including an anode, a cathode and a control electrode : en fr
  • GB414163A - Improvements in or relating to portable machines for treating floors and articles laid thereon : en
  • FR768242A - Multiple matrix for melting fillets and vignettes on linotypes : en fr
  • GB414210A - Improvements in or relating to the manufacture of oxygen generating or evolving substances : en
  • GB414688A - Improvements in electric motors : en
  • ES134530A1 - Procedure to ennoble aluminum alloys. : en es
  • FR768196A - Electric lens applied to electronic phenomena : en fr
  • DE600807C - Absorption vessel : de en
  • FR768124A - Improvements to the game of small billiards with ball launcher : en fr
  • US1968160A - Cutting and shaving blade attachment for surgeons'forceps : en
  • US1968216A - Player organ : en
  • FR768218A - Method and device for the manufacture of briquettes from cohesive materials and in particular from coal dust, lignite, etc. : en fr
  • CH170851A - Protective device for parallel lines. : de en
  • GB414194A - Improvements in stamp afflxing machines : en
  • FR768377A - Improvements in the organization and construction of intermittent operation absorption refrigeration units : en fr
  • GB414209A - Nozzle gap supporting plane : en
  • FR768010A - Improvements made to electric cooking appliances : en fr
  • GB414326A - Improvements in the manufacture of embossed rubber articles : en
  • CA343651A - Dehydrating apparatus : en fr
  • FR768239A - Plant for the transformation of high boiling point hydrocarbons into low boiling point hydrocarbons : en fr
  • DE592052C - Production of alkali nitrates in dry form : de en
  • CA343493A - Spool and bobbin : en fr
  • SU37985A1 - The method of obtaining asbestos paper and cardboard from 100% lower (V and VI) asbestos grades : en ru
  • CA343552A - Metal coated sheet manufacture : en fr
  • SU38013A1 - Branched Pipeline Switchgear : en ru
  • SU38033A1 - Attraction device : en ru
  • US1968021A - Blade frame and blade assembly for slicing machines : en
  • US1968190A - Wrapping machine : en
  • CA343594A - Tool for extracting king-pins : en fr
  • CA343550A - Packaging machine : en fr
  • SU38003A1 - Fixed installation for testing and adjusting motor carriage brakes : en ru
  • US1968745A - Demountable wheel : en
  • BE403677A - Base and socket for electric discharge tubes : en fr
  • CH170730A - Storage device for food, spices, etc. : de en
  • FR768112A - Bearings or sliding bearings with spherically shaped sliding surfaces, suitable for installation in machines of all kinds : en fr
  • FR768182A - Improvements to hydraulic shock absorbers : en fr
  • GB414294A - Improvements in cementing machines : en
  • SU37803A1 - Ventilation device for centrifugal spinning machines : en ru
  • SU37990A1 - Malteysk movie projector transmission : en ru
  • US1968457A - Transmission of intelligence over wires : en
  • US1968517A - Water supply shut-off : en
  • CH170809A - Process for lining hollow bodies, such as bearing shells, bearing bushes, connecting rod heads and the like with metal, as well as apparatus for carrying out the process. : de en
  • DE600850C - Filler pencil : de en
  • ES2792U - Folding box or container with lids that serve as a closure. (Machine-translation by Google Translate, not legally binding) : en es
  • CA343642A - Railway yard supply valve : en fr
  • CH170931A - Process for the preparation of a monoazo dye. : de en
  • CA343538A - Scaffold bracket : en fr
  • DE600762C - Lathe device : de en
  • GB414332A - Improvements in and relating to glass pressing machines : en
  • GB414692A - Improvements in or relating to the manufacture of fireproof and waterproof fabrics and yarns : en
  • DK49070C - Device for Spirals for Placement in Flow Tubes for Air or Dusty Media for Generating a Screwed Flow. : da en
  • FR768026A - Self-propelled wagon : en fr
  • GB414314A - An electrically heated wax pot for waxing threads : en
  • DE600900C - Wire mesh basket : de en
  • CH170840A - Clamp for carbon brushes. : de en
  • CH170795A - Cooling device for rapid fire weapons. : en fr
  • DE600861C - Method and device for the production of ceramic objects on roller corridors : de en
  • FR768257A - Device for pulling edible roots : en fr
  • FR768319A - Improvements to starter switches in automotive electrical equipment : en fr
  • GB414237A - A process of treating mineral oil distillates : en
  • US1968604A - Transmitting gear : en
  • SU37791A1 - Darning device : en ru
  • SU37961A1 - Adaptation to a lathe for cutting globoidal worms : en ru
  • US1968451A - Roofing plate : en
  • SU37991A1 - Copy machine : en ru
  • ES2796U - Additional piece of removes and put for siphons containing carbonated water or other sparkling liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • GB414147A - Improvements in electric time fuses for use in blasting : en
  • SU38046A1 - Stretcher for bulk material : en ru
  • US1968182A - Gun mount : en
  • US1968223A - Process of treating paper pulp : en
  • US1968315A - Spring structure : en
  • CA343656A - Egg carton filler machine : en fr
  • FR768310A - New food product and process for its preparation : en fr
  • US1968212A - Unitary manifolding packet : en
  • SU37698A1 - The method of obtaining a platinum catalyst : en ru
  • US1968782A - Automatic grain shocker : en
  • AU1377233A - Improvements in and relating to pistons : en
  • CH170787A - Method and device for the production of picture and sound films. : de en
  • DE600736C - Incubator with several individual compartments : de en
  • FR768063A - Improvements to valves or similar emptying devices, in particular for cans and barrels : en fr
  • CH170833A - Method and device for regulating, setting and manual operation of multi-cylinder fuel pumps for airless injection in internal combustion engines. : de en
  • DE600924C - Ink distributor roller in lifter and ductorless inking units, especially for rotary printing machines : de en
  • GB414349A - Improvements in motor compressors with free pistons : en
  • US1968410A - Apparel : en
  • CH170759A - Process for the production of caustic potash from potassium sulfate with simultaneous production of alkaline earth metal oxalate. : de en
  • GB414413A - Processes of and apparatus for regeneration of contact masses : en
  • US1968495A - Draft and buffer gear : en
  • CH170905A - Coupling bracket. : de en
  • DE600760C - Combustible mixture in hulls to generate colored or irritating smoke : de en
  • CH170868A - Electric lighting device and method for its manufacture. : en fr
  • US1968794A - Process of making sulphuric reaction products of aliphatic alcohols : en
  • DE600839C - Automatic repeating device for speaking machines : de en
  • FR768389A - Reinforced concrete without formwork : en fr
  • GB414253A - An improved process and apparatus for applying cap strips to bottles, jars and the like : en
  • US1968496A - Cutter head bit clamp : en
  • US1968578A - Dispenser for collapsible tubes : en
  • SU37969A1 - Device for automatically closing the entrance of acetylene gas into the hose in case of lack of water in the fuse : en ru
  • DE600828C - Bags for carrying pressed coal : de en
  • DK49062C - Apparatus for Opening the Cells in Grains. : da en
  • ES2791U - Metallic wheel (Machine-translation by Google Translate, not legally binding) : en es
  • GB414138A - Process for the manufacture of dyestuffs of the azine series : en
  • FR768275A - Automatic firearm : en fr
  • FR768370A - Box opening system : en fr
  • US1968588A - Vehicle brake : en
  • USD92922S - Design for a stapling device : en
  • US1968736A - Grounding set : en
  • AU1534633A - Improvements inthe manufacture and production of pure sulphur : en
  • ES134555A1 - Guarantee closing procedure for one-piece boxes or similar containers, cardboard, cardboard and the like. : en es
  • FR768046A - Device for adjusting the tension of the tracks of a tracked vehicle : en fr
  • SU37670A1 - Drawing die for simultaneous drawing of two pipes : en ru
  • SU37728A1 - The method of processing products of high-speed steel : en ru
  • SU37744A1 - Two-wire interconnecting machine for automatic telephone exchanges : en ru
  • CA343582A - Inclined cross tube burner : en fr
  • BE403461A - Process for the production of magnetic substances for high frequency : en fr
  • CH170861A - Device for reducing the equalizing currents in rectifiers and inverters operated in parallel. : de en
  • ES133877A1 - Improvements in dampers for airplanes. : en es
  • CH170859A - Multi-grid tube with a protective grid and two control grids. : de en
  • AU1649134A - Improved method of manufacturing wire bodies for electric discharge tubes or incandescent lamps : en
  • SU37890A1 - Screen for light design : en ru
  • SU37705A1 - Method for producing diolefins : en ru
  • US1968316A - Liquid dispenser : en
  • US1968333A - Foldable and extensible chair : en
  • US1968035A - Frequency control apparatus : en
  • USD92910S - Design fob a reflector jewel : en
  • US1968345A - Treating sulphite pulp : en
  • US1968732A - Ice cream confection bar : en
  • DE600710C - Electrical contact for switches, especially extinguishing chamber switches, for switching large currents : de en
  • FR768360A - Wreath lift : en fr
  • US1968549A - Liquid heater : en
  • US1968689A - Coupler operating mechanism : en
  • US1968141A - Liquid petroleum gas distributing system : en
  • US1968246A - Installation of linoleum : en
  • SU37782A1 - The method of condensation of phenols with wood : en ru
  • US1968575A - Regulating system : en
  • CH170924A - Process for the preparation of an azo dye. : de en
  • GB414412A - Improvements relating to pit and like props : en
  • CH170776A - Electrolysis process. : en fr
  • CH170704A - Device for loosening up and getting rid of cut grass. : de en
  • ES2776U - A special tap for liquid passage (Machine-translation by Google Translate, not legally binding) : en es
  • GB414109A - Improved sign changing device : en
  • ES2780U - Scale for light metal shotgun with hard metal setting in the friction sites. (Machine-translation by Google Translate, not legally binding) : en es
  • US1968274A - Clutch control : en
  • US1968543A - Method of and apparatus for refrigerating materials : en
  • SU37835A1 - Adaptation to the sawing frame for installation and welding of saws : en ru
  • CA343506A - Tree fertilizer : en fr
  • US1968323A - Process of manufacturing fertilizers : en
  • CA343531A - Train pipe connector : en fr
  • CH170944A - Process for preparing an asymmetric arsenobenzene compound. : de en
  • DE520538C - Device for measuring distances with a fixed distance from one another and provided with reflectors for transmitting and receiving oscillating circuits : de en
  • DE600753C - Schuettelrutschen connection, in which the connecting pieces are drawn together to form a rigid support frame through the suspension chain : de en
  • FR768040A - Improvements to pipe joints and methods for establishing said joints : en fr
  • FR768395A - Improvement in x-ray tubes. : en fr
  • GB414675A - Improvements in or relating to valves for inflation purposes : en
  • SU37730A1 - Preheating furnace for the mass flow of small items : en ru
  • CA343617A - Tunable dynatron amplifier : en fr
  • FR768279A - Power switch forming support insulator : en fr
  • US1968755A - Needle weaving attachment for looms : en
  • DE600798C - Safety razor : de en
  • CH170766A - Process for the preparation of a substantive azo dye. : de en
  • US1968208A - Hydrogenation of organic substances : en
  • FR768037A - Process for the preservation of corpses : en fr
  • SU38001A1 - Log front : en ru
  • US1968109A - Spring mounting : en
  • US1968656A - Valve control mechanism : en
  • SU37896A1 - Universal machine for testing materials and engineering structures : en ru
  • CA343547A - Aluminium magnesium alloy : en fr
  • CA343613A - Radio apparatus : en fr
  • FR768229A - Receiving apparatus for multiplex telegraphy : en fr
  • USRE19259E - Bearing apparatus : en
  • DE600969C - Ring or frame-shaped seal made of elastic material, especially dust seal for rail vehicles : de en
  • GB414156A - Improvements in gas and other meters : en
  • US1968614A - Treatment of emulsions : en
  • US1968681A - Combined washing and drying apparatus : en
  • CH170870A - Apparatus for observing the cornea of the human eye. : de en
  • FR768103A - Extendable connecting rod bicycle pedal and development : en fr
  • FR768303A - Device for controlling the amplitude of a carrier oscillation : en fr
  • US1968046A - Trailer construction : en
  • US1968054A - Mining machine : en
  • US1968554A - Automobile signal arm : en
  • US1968717A - Holder for street railway trans- : en
  • DE600873C - Compressed air brake equipment with a device for gradually releasing the brakes : de en
  • DE600942C - Process for the production of foils : de en
  • FR768114A - Methods of fixing refractory bricks to the metal walls of hearths : en fr
  • GB414316A - Improvements in or relating to carbon mountings for arc lamps : en
  • US1968203A - Shutter means for gas burners : en
  • US1968255A - Roll grinding machine : en
  • US1968401A - Clasp for scarfs, neckties, and the like : en
  • GB414393A - Improvements in and relating to the production of resinous condensation products : en
  • DE600669C - Box lock with an ornamental housing that is independent of the lock case : de en
  • DE600896C - Shoe clamping device : de en
  • GB414334A - Improvements relating to the manufacture of pressed yeast : en
  • CH170881A - Telephone system for the wireless transmission of messages to participants in a conference. : de en
  • US1968298A - Container closure : en
  • SU37758A1 - Device for automatic switching on and off of electric drives of periodically operating installations : en ru
  • SU38006A1 - A device for grinding a conic tip on engraving cutters : en ru
  • US1968015A - Therapeutic treatment device : en
  • US1968702A - Hydraulic brake safety device : en
  • CH170713A - Gas burners on water heaters. : de en
  • CH170890A - Small illuminated advertising pillar to set up on a frame. : de en
  • GB414242A - Waterproofing fabrics with addition of aluminium dust : en
  • SU37779A1 - Coating metal electrodes for arc welding : en ru
  • US1968245A - Phonograph : en
  • USD92917S - Design fob a shoe : en
  • SU37763A1 - Device to protect electrical installations from overcurrents : en ru
  • US1968742A - Volume control device for radioreceivers : en
  • FR768016A - Electric current generator : en fr
  • ES134092A1 - PROCEDURE FOR THE MANUFACTURE OF LACE AND ELASTIC TULES : en es
  • GB414418A - Improvements in miners' and like safety lamps : en
  • GB414257A - Device for taking multicoloured photographic pictures : en
  • ES2782U - A brass case designed to contain lipsticks (Machine-translation by Google Translate, not legally binding) : en es
  • FR768088A - Noise emitting device with capacitor in parallel : en fr
  • GB414224A - Improvements in or relating to smokers' ash or waste receptacles : en
  • CA343555A - Pigment dispersion in cellulose ester solutions : en fr
  • CH170746A - Sleeve protectors, especially for hairdressers. : de en
  • AU1410133A - Material discharge gun : en
  • US1968380A - Lug chuck for rock drills : en
  • US1968555A - Lock : en
  • CH170751A - Insole. : de en
  • CH170869A - Gas-filled electric arc lamp. : de en
  • USD92934S - Design for a flower holder : en
  • DK49071C - Adjustable Potato Cover with Marker, Mold Plates and Cultivator Teeth. : da en
  • US1968366A - Nasal guard for atomizers : en
  • US1968358A - Motor control system : en
  • USD92928S - Design for a dooklatch fob cabinets : en
  • GB414227A - Improvements in or relating to thermionic valves : en
  • USD92914S - Design for a vending machine : en
  • DE600837C - Display device for projection scales : de en
  • GB414411A - Improvements in or relating to adding and subtracting machines : en
  • US1968349A - Compact : en
  • DE600742C - Adjustment device for photographic cameras : de en
  • FR768056A - Air rifle : en fr
  • CA343485A - Ledger sheet : en fr
  • CH170726A - Seating for halls. : de en
  • GB414164A - Improvements in or relating to apparatus for the photographic reproduction of drawings and the like : en
  • DE600708C - Process for the preparation of 2- [3-acylamino-6-halobenzyl] -benzoic acids : de en
  • CA343546A - Aluminium base alloy : en fr
  • US1968371A - Telltale device : en
  • USD92873S - Design fob a can puncturing device : en
  • AU1617834A - Improvements in safety razors : en
  • CA343535A - Packing : en fr
  • CA343587A - Ventilated fabric : en fr
  • SU37895A1 - McMend type micromanometer : en ru
  • ES134274A1 - A process for the manufacture of an explosive of liquid air or liquid oxygen and cartridges that have application therewith. : en es
  • GB414173A - Improvements in straight-bar knitting machines : en
  • US1968301A - Humidity regulator : en
  • US1968375A - Throttle valve and motive fluid connection for rock drills : en
  • US1968386A - gubelmann : en
  • US1968494A - Draft rigging : en
  • CA343575A - Prepared resin : en fr
  • CH170811A - Process for removing the impurities that collect at the top of the transducer in vertical extrusion presses, in particular lead cable presses. : de en
  • DE600856C - Telecommunication cable for the transmission of currents of higher frequencies with return conductor : de en
  • ES134439A1 - Improvements in the arrangement of axle for automotive vehicles. : en es
  • FR768264A - Box for shoe creams etc. : en fr
  • US1968602A - Tender frame : en
  • US1968728A - Tile wall construction : en
  • US1968052A - Low thermal conductivity building unit and method of making the same : en
  • US1968101A - Thread package or spool : en
  • DE600944C - Lighting attachment for T-shaped marking boards : de en
  • US1968513A - Fertilizer distributor : en
  • GB414394A - Improvements in the production or treatment of shaped articles of cellulose derivatives or other film-forming bases : en
  • SU38025A1 - Card machine : en ru
  • SU37928A1 - Beet harvesting machine : en ru
  • US1968296A - Apparatus for forming articles : en
  • DE600803C - Engraving device for workpieces that can be rolled : de en
  • GB414122A - Improvements in or relating to electro-magnetic regulating apparatus : en
  • SU37874A1 - Caliper to determine the volume of tree trunks : en ru
  • SU37913A1 - Control hours to account for the time of arrival and departure of workers and employees : en ru
  • SU37662A1 - Adaptation for mechanical winding of bar machines : en ru
  • US1968155A - Clutch and operating mechanism therefor : en
  • DE600799C - High boots : de en
  • US1968055A - Drill : en
  • US1968225A - Spark plug : en
  • US1968509A - Therapeutic apparatus : en
  • GB414273A - Dimming adapters for electric incandescent lamps : en
  • GB414327A - Improvements in or relating to machines for forming strips of metal wool into ball-like rolls : en
  • FR768098A - Orthodisazo dyes and their preparation process : en fr
  • SU37820A1 - Soap dish to shave : en ru
  • US1968188A - Hydraulic power transmission and timing control therefor : en
  • US1968286A - Loose sheet holder : en
  • USD92926S - Design for a spectacle frame for : en
  • DE600872C - Axle bearing with wide clearance and lower limit of the wedge-shaped inlet areas : de en
  • FR768083A - Diving suit with portable air reserve : en fr
  • FR768168A - Improvements in the preparation and application of titanium compounds : en fr
  • AU2683863A - Semiconductor devices and method of making same : en
  • US1968105A - Amplifier system : en
  • US1968634A - Control system : en
  • FR768140A - Method of applying insecticides or similar substances to plants : en fr
  • SU37902A1 - Wear Tester : en ru
  • US1968032A - Preparation of monoethers of glycols : en
  • US1968590A - Brake : en
  • SU37723A1 - Apparatus for injecting coal fines into a blast furnace shaft : en ru
  • US1968521A - Milk bottle washing and brushing machine : en
  • SU37734A1 - Device for automatically acting on the air brakes of a wagon when it reaches the set speed limit : en ru
  • SU37767A1 - Fixture for deploying curves along a timeline primarily in oscillographic devices : en ru
  • US1968206A - Cam means for leveling hearse bodies : en
  • US1968267A - Optical instrument : en
  • SU37801A1 - Modifying Spinning Apparatus for Making Rayon by Exhaust Method : en ru
  • FR768048A - Reflectors for street lights : en fr
  • DE600928C - Setting device for switches, signals or the like in connection with a triggerable energy store : de en
  • FR768359A - Improvement in the assembly of brake pads for cycles : en fr
  • GB414114A - Silencers for gaseous currents : en
  • US1968433A - Timer fob internal combustion : en
  • US1968781A - Automatic grain shocker : en
  • FR768025A - Hot bending installation of railway tracks : en fr
  • FR768314A - Perpetual calendar : en fr
  • DE600817C - Device for producing foam for fire extinguishing purposes : de en
  • DE600989C - Toggle switch : de en
  • FR768183A - Process and installation for the manufacture of strips of wood pulp for the manufacture of insulating boards in wood fiber : en fr
  • SU38017A1 - Device for transmitting measuring instrument readings : en ru
  • US1968179A - Method of manufacturing acetyl ester compounds : en
  • US1968378A - Rock drill : en
  • CH170937A - Ski binding. : de en
  • DK49072C - Device for connecting hoses to gas, air, steam, water or other liquid and the like with pipes or the like. : da en
  • GB414142A - Improvements in or relating to means for attaching or connecting nets or the like to posts or like supports particularly in connection with games or sports : en
  • GB414386A - Improvements in miners' and like safety lamps : en
  • GB414416A - Improvements in and relating to indication devices for broadcast receivers : en
  • US1968475A - Cosmetic composition : en
  • CA343660A - Combined shade and guide map : en fr
  • CH170930A - Process for the preparation of a water-soluble azo dye. : de en
  • DE600827C - Soot blower for steam boiler : de en
  • ES2777U - A stain remover (Machine-translation by Google Translate, not legally binding) : en es
  • SU37954A1 - Crank gear : en ru
  • US1968250A - Continuous projecting motion picture machine : en
  • AU264856B2 - Semiconductor devices and method of making same : en
  • FR768201A - Airplane driven by gas turbines : en fr
  • US1968701A - Brake equipment for automotive vehicles : en
  • DE600702C - Articulated handle holder for brooms or similar devices : de en
  • US1968031A - Apparatus for and method of separating suspended solids from liquids by sedimentation or settling : en
  • US1968103A - Tap : en
  • US1968769A - Mining machine : en
  • SU37711A1 - Pneumatic hammer for steam boilers : en ru
  • SU37761A1 - Device for electrical automatic control of blast and charging mechanisms of blast furnace : en ru
  • SU37881A1 - The way to combat noise and increase the range of loudness of sounds recorded on a film in a transverse way : en ru
  • US1968383A - Sprayer : en
  • FR768255A - Selective control devices for brocade looms, cardboard cutters and the like, electrically controlled : en fr
  • USD92887S - Design fob a toy : en
  • DE600948C - Infinitely variable bevel gearbox in both directions of rotation : de en
  • GB414318A - Improvements in heat indicating devices for ovens, stoves or the like : en
  • DE600957C - Motor vehicle consisting of a main car with steerable guide wheels and a z. T. is supported on the main car front car, the guide wheels are steered by the driver : de en
  • SU37683A1 - A device for cutting paper, cloth, cardboard, etc. : en ru
  • CA343525A - Analytical fractionating column : en fr
  • CH170915A - Process for the preparation of an azo dye. : de en
  • DE600950C - Mill with a grinding roller and a counter-support arranged on a pivotable support arm : de en
  • SU38041A1 - Apparatus for cooling, drying, washing and the like processing of bulk materials : en ru
  • CH170821A - Process for the production of a protective coating for inscriptions, plans, maps, drawings and the like. : de en
  • DE600830C - Welded I- or T-beam : de en
  • FR768315A - Hourly distributor : en fr
  • AU1463833A - An adjustable rocker for mounting belt drive electric motors generators, or other machines : en
  • CH170922A - Process for the preparation of an azo dye. : de en
  • US1968364A - Guiding means for line-casting machines : en
  • CH170762A - Process for the preparation of a new N-alkylated benzimidazole derivative. : de en
  • DK49064C - Typewriter device. : da en
  • CA343536A - Thrashing machine shaft : en fr
  • CH170739A - Rope, especially for towing purposes. : de en
  • FR768350A - Automatic framing device for machines for shaping strips of printed or other paper, capable of changing speed : en fr
  • US1968787A - Universal joint : en
  • USD92935S - Design for a chain sandal : en
  • US1968158A - Process for the production of ammonium nitrate base explosive charges capable of being poured or cast : en
  • US1968611A - Protective system : en
  • CA343487A - Mattress spring insert : en fr
  • CH170722A - Fumivorous. : en fr
  • SU37778A1 - Electrode for arc surfacing of hard alloys : en ru
  • SU38009A1 - Method of making grinding stones : en ru
  • SU38059A1 - Extraction method from sugar molasses and technical magnesia : en ru
  • US1968219A - Sign holding device : en
  • SU37845A1 - The method of obtaining non-melting and insoluble resins and varnishes : en ru
  • CA343526A - Tire chain : en fr
  • SU37793A1 - Diaphragm Gas Apparatus : en ru
  • US1968414A - Fruit picker : en
  • SU37877A1 - Automatic Scales : en ru
  • US1968183A - Multilayer frozen comestible product : en
  • US1968427A - Elevator signal system and switching mechanism : en
  • USD92906S - Design for a spoon or other article : en
  • CA343548A - Copper-silicon-manganese alloy : en fr
  • ES2786U - Elastic head mallet (Machine-translation by Google Translate, not legally binding) : en es
  • ES134543A1 - OIL DISTRIBUTOR STEM WITH ANNULAR SEGMENT-SHAPED DISTRIBUTOR BLADES FOR LUBRICATING AXLE BOXES : en es
  • FR768018A - Articulated support for sharp instruments : en fr
  • SU37669A1 - Adaptation to the trio mill for feeding material into the lower streams : en ru
  • SU37944A1 - Internal combustion engine : en ru
  • US1968091A - Machine for shaping bar ends, and work end finishing purposes : en
  • US1968665A - Apparatus for making spark plugs : en
  • CH170855A - Electric discharge tube. : de en
  • CH170874A - Device to prevent or put an end to heartache. : en fr
  • GB414197A - Improvements in or relating to mouthpieces for tobacco pipes and the like : en
  • GB414410A - Means for preventing freezing of the induction systems of internal combustion engines : en
  • BE403912A - Improvements to automatic igniters for grenades : en fr
  • CA343618A - Frequency selective system : en fr
  • DE600922C - Washing line reel : de en
  • FR768194A - Armature with collector, in particular for electric machines exposed to strong vibrations : en fr
  • GB414260A - Improved bracket : en
  • GB414380A - Dust catching and down draught preventing devices for use as an attachment on chimneys or flues : en
  • GB414219A - Improvements in brushes : en
  • BE403880A - Device for periodically interrupting the current in one or more electrical circuits : en fr
  • SU37674A1 - Adaptation to a lathe for making flexible shafts : en ru
  • US1968159A - Safety lever : en
  • US1968429A - Sound picture apparatus : en
  • US1968622A - Mopstick : en
  • US1968640A - Packing ring tool : en
  • DE600716C - Respiratory apparatus according to the arrangement : de en
  • DK49074C - Apparatus for separating the butter-forming constituents of milk or cream. : da en
  • GB414385A - Improvements in miners' and like safety lamps : en
  • CH170867A - Atomizer nozzle with exchangeable mouthpiece. : de en
  • DE600995C - Holder for flower boxes : de en
  • GB414391A - Improvements in and relating to electric discharge lamps : en
  • US1968165A - Method of making expanding wallets, files, and portfolios : en
  • US1968793A - Sulphuric ester of higher alcohols : en
  • CH170822A - Welded foot piece for machines. : de en
  • CH170847A - Electrical switching device controlled by a clockwork. : de en
  • DE600875C - Process for making separators for electrical collectors from fibers : de en
  • FR768269A - aircraft fuel tank ejector : en fr
  • GB414414A - Apparatus for preparing samples for testing characteristics of plastic, granular, orpulverulent materials : en
  • SU37885A1 - Device for cleaning gramophone records : en ru
  • US1968045A - Building construction : en
  • US1968694A - Motor and pump : en
  • US1968773A - Permanent waving apparatus : en
  • CH170825A - Device for hanging pipes. : de en
  • US1968398A - Timing mechanism : en
  • US1968459A - Rubber-like dispersion and method of producing same : en
  • SU37774A1 - Electronic lamp : en ru
  • US1968550A - Rubber roller grinding machine : en
  • US1968597A - Ignition controlling device for photographic flash light lamps : en
  • USD92889S - Design fob a shoe : en
  • SU37926A1 - Potato harvesting machine : en ru
  • BE403445A - : en
  • DE599312C - Process for the production of air-insulated twin cores for telecommunication cables : de en
  • ES2790U - Towel rack (Machine-translation by Google Translate, not legally binding) : en es
  • FR768050A - Absorption refrigeration machine : en fr
  • SU37919A1 - Arrow Zig-Zag : en ru
  • SU37999A1 - Gas mask fitting for easier breathing : en ru
  • US1968089A - Method of sweetening hydrocarbon distillates : en
  • US1968625A - Marked material and method for its manufacture : en
  • DE600904C - Process for the production of a mixed fertilizer containing calcium phosphate and nitrogen : de en
  • FR768214A - Improvements made to two-jaw flanges, in particular to those, called "cable clamps", for the connection of electrical conductors : en fr
  • GB414256A - Improved gear cutter and method of relief-grinding the same : en
  • GB414399A - Improvements in and relating to helicopter or rotative wing aircraft : en
  • SU37667A1 - A device for stopping carriages torn off along inclined workings : en ru
  • US1968185A - Automobile brake : en
  • SU37745A1 - Transmitter Stabilization Method : en ru
  • AU1485833A - Improvements in or relating toa method of modifying the properties of rubber surfaces : en
  • CH170826A - Water taps. : de en
  • DE600657C - Manufacture of the preform of point rails for heart pieces : de en
  • ES134514A1 - PROCEDURE FOR OBTAINING ARTIFICIAL MASSES OF RUBBER AND VEGETABLE OR ANIMAL FIBERS : en es
  • US1968025A - Brake mechanism : en
  • US1968468A - Mercerization and purification of cellulose fiber : en
  • US1968671A - Internal combustion engine : en
  • GB414719A - Coin freed personal knowledge testing apparatus : en
  • SU37949A1 - A device for collecting sunlight : en ru
  • CH170769A - Process for the preparation of a new monoazo dye. : de en
  • CH170852A - Permanent magnet and method of manufacturing this magnet. : en fr
  • US1968338A - Adjustable gearing : en
  • US1968644A - Rack : en
  • US1968678A - Transmission system : en
  • US1968697A - Cellophane helmet or cap : en
  • SU37704A1 - The method of obtaining vanilla : en ru
  • SU37872A1 - Apparatus for determining the voltage of the heating surface of steam boilers : en ru
  • US1968318A - Apparatus for producing solid carbon dioxide : en
  • SU38030A1 - Bankrosh : en ru
  • US1968310A - Machine for forming metal wool into pads : en
  • US1968531A - Vehicle roof construction : en
  • CA343482A - Engine starter : en fr
  • DE600967C - Storm lantern with a bell plate : de en
  • CA343521A - Motor vehicle : en fr
  • DE600910C - Stepping mechanism that is moved by de-energizing a switching magnet : de en
  • GB414195A - Improvements relating to paving slabs, garden ornaments and like structures : en
  • CH170712A - Room radiator. : de en
  • GB414337A - Improvements in dry cleaning apparatus : en
  • GB414315A - Improvements in and relating to excavators : en
  • US1968395A - Gas burner : en
  • CH170838A - Artificial ice rink. : de en
  • SU37941A1 - Device for fishing : en ru
  • US1968469A - Gear shaper : en
  • US1968308A - Air service reel device : en
  • US1968577A - Automatic steering device for barges and like vessels : en
  • US1968253A - Manufacture of phthalimide : en
  • SU37680A1 - Device for catching the ends of the fabric bundles when dyeing on the barges : en ru
  • SU37740A1 - Device for electric gig : en ru
  • SU37799A1 - Machine for decortication of prickly plants : en ru
  • US1968389A - Sheet leveler : en
  • US1968538A - Tool carrier for multiple spindle screw machines : en
  • US1968737A - Process for the separation of magnesium chloride from calcium chloride : en
  • ES134579A3 - Machine for washing grids or plates of electric accumulators. : en es
  • GB414232A - Improvements in or relating to insulating bushes for the terminals or other connections of electrical apparatus : en
  • AU1369133A - Improved method of and apparatus for aerating yeast andother plastic substances : en
  • CH170723A - Impactable, tubular, metal wall dowel sleeve for fastening screws, hooks or the like in walls made of soft building materials. : de en
  • DE600793C - Advertising device that can be rotated by the wind : de en
  • FR768355A - Advanced wetting, penetrating and dispersing agents : en fr
  • SU38056A1 - Vertical wind engine with rotating cylinders : en ru
  • US1968479A - Work feeding mechanism : en
  • US1968010A - Channel bending machine : en
  • US1968044A - Lubrication : en
  • US1968593A - Marcel hair waver : en
  • US1968749A - Automobile turning indicator : en
  • US1968638A - Liquid expresser : en
  • SU37960A1 - Threading device for variable pitch on lathes with conventional lead screw : en ru
  • SU37897A1 - Induction Barometer : en ru
  • US1968490A - Method of making pulverulent chromium : en
  • CA343528A - Mine air cooling apparatus : en fr
  • US1968187A - Planter : en
  • US1968222A - Converging achromatic eyepiece : en
  • US1968722A - Method of inhibiting the corrosive action of alkaline aqueous solutions, etc. : en
  • US1968009A - Shoe press : en
  • US1968748A - Blade sharpener : en
  • SU37681A1 - The bolt to the running locks and rifles : en ru
  • SU37713A1 - Adaptation to skoropressnyh machines for lifting taler with multi-color cliche after each imprint on the thickness of the paint layer : en ru
  • US1968028A - Slice for paper making machines : en
  • US1968053A - Process of making coke and combustible gas : en
  • US1968116A - Wheel for automobile vehicles and the like : en
  • CA343628A - Fungicide : en fr
  • DE600865C - Carburetor burner : de en
  • DK49066C - Glidebaad. : da en
  • FR768354A - Advanced needle bearings : en fr
  • GB414715A - Improvements in or relating to the control of mercury arc rectifiers : en
  • SU37679A1 - Hollow hall for jiggers : en ru
  • CA343602A - Aluminium alloy : en fr
  • USD92882S - Design for an aerial camera : en
  • FR768294A - Advanced die-casting machine : en fr
  • US1968467A - Valve for molding machines : en
  • FR768260A - Metal door : en fr
  • FR768343A - Mounting device for liquid soap spill dispenser : en fr
  • SU37772A1 - Device for protecting the walls of flasks of gas and vapor-light lamps from sputtering electrode material : en ru
  • US1968515A - Means for disposing of garbage : en
  • US1968369A - Lamt attaching clamp : en
  • US1968448A - Sound measuring system : en
  • US1968080A - Artificial mass and process for making the same : en
  • US1968092A - Golf club head : en
  • US1968391A - Combined valve and nozzle : en
  • CA343607A - Composite pipe manufacture : en fr
  • DK49078C - Refrigerator. : da en
  • FR768283A - Improved shade fastness obtained with direct dyes : en fr
  • FR768339A - Improvements to sensitized fabrics for photographic printing : en fr
  • US1968526A - Process of producing powdered soap of low moisture content : en
  • USD92890S - Design for a shoe : en
  • CH170796A - Device for measuring the power factor. : de en
  • ES134445A3 - A machine for dynamically balancing the rotating elements of various kinds of apparatus. : en es
  • GB414146A - Improvements in or relating to the finishing of cloth : en
  • CA343500A - Sash : en fr
  • GB414187A - Improvements in and relating to wireless and like receivers : en
  • US1968314A - Spark plug and method of making the same : en
  • US1968764A - Apparatus for treating materials : en
  • SU37955A1 - Transfer between coaxial drive and driven shafts : en ru
  • US1968177A - Box or receptacle for powders : en
  • US1968072A - Under water lighting unit : en
  • US1968148A - Vehicle body tilting mechanism : en
  • GB414283A - Improvements in or relating to moulds for chocolate-casting machines : en
  • BE403596A - : en fr
  • ES134421A1 - A process for the manufacture of baskets and similar articles. : en es
  • DE600943C - Surface quality meter : de en
  • ES134575A1 - Apparatus for filtering gasoline and similar liquids. : en es
  • SU37970A1 - Adaptations to heating furnaces to adjust the length of the heated pipe ends : en ru
  • US1968086A - Fire extinguishing apparatus : en
  • US1968108A - Variable condenser : en
  • US1968331A - Calipers : en
  • CH170873A - Arched footplate serving as a shoe insert. : de en
  • US1968687A - Process of and apparatus for coating wire : en
  • US1968757A - Endless conveyer : en
  • CH170710A - Process for the production of dust-binding and non-icing road surfaces. : de en
  • CH170849A - Electrical control device for the optional switching of electrical circuits. : de en
  • CH170875A - Galvanic belt with flat electrodes. : de en
  • US1968576A - Control apparatus for alternating current circuits : en
  • US1968057A - Training and testing device for aviators : en
  • DE600914C - Aufprotzleiter, especially for fire engines : de en
  • GB414671A - Improvements in means for preventing or curing sickness particularly sea-sickness : en
  • AU1396333A - Improvements in and connected with rivets and method of riveting : en
  • FR768387A - Internal combustion engine with injection, automatic adjustment of the start of injection : en fr
  • US1968741A - Strainer apparatus : en
  • ES134515A1 - Improvements in devices for the control and regulation of liquid level inside submersion hoods. : en es
  • FR768133A - Convenient folding seat device for motor cars intended for large weddings : en fr
  • US1968233A - Laundering machine : en
  • US1968336A - Motor brake : en
  • US1968780A - Milk cooler : en
  • DE600813C - Process for the production of artificial threads from viscose solutions : de en
  • GB414247A - Washing machine cylinder : en
  • GB414307A - Improvements in and relating to hygienic garments and process of manufacturing same : en
  • CA343597A - Tire cover : en fr
  • FR768208A - Improvements to rotary pumps for liquids : en fr
  • FR768263A - Process for the preparation of basic azo dyes : en fr
  • DE600929C - Device for the transmission of modulated high-frequency oscillations with full-wave rectification to loudspeakers : de en
  • DE600768C - Process for the production of films or foils or threads from graphite : de en
  • US1968016A - Air cleaner : en
  • SU38058A1 - The method of preserving sugar juices with a one-time production of silicate : en ru
  • CA343633A - Injector : en fr
  • FR768323A - Bandage band : en fr
  • GB414407A - Improvements in containers for the transport and storage of fruit, vegetables and the like : en
  • FR768230A - Double-seat for water closet, usable for both children and adults : en fr
  • GB414339A - Improvements in or relating to household refrigerators : en
  • FR768012A - Bedding envelope : en fr
  • ES133806A3 - Procedure for the construction of discs or covers for automobile wheels. : en es
  • US1968559A - Draft appliance : en
  • US1968220A - Butt welded joint for sheet pilings : en
  • SU37591A1 - Longitudinal Pipe Welding Device : en ru
  • SU37910A1 - Paper money bill machine : en ru
  • US1968133A - Marking device : en
  • CA343640A - Hydrocarbon oil conversion : en fr
  • CH170865A - Electric gas lighter. : de en
  • DE600755C - Induction relay : de en
  • DE600884C - Centrifuge vessel with collecting attachment : de en
  • CA343604A - Internal combustion engine : en fr
  • CH170882A - Switching arrangement for amplifying low-frequency oscillations. : de en
  • FR768290A - Device for revealing films and photographic plates : en fr
  • FR768356A - Method and machine for combing and ironing furs in a single operation : en fr
  • BE403693A - : en fr
  • DE600949C - Process to avoid increased corrosion at the riveting points of aluminum sheets that are provided with corrosion-resistant coatings : de en
  • FR768044A - Toy : en fr
  • GB414322A - Percussive drilling tools : en
  • AU1363233A - Improvement inthe construction of boats, barrels, andthe like : en
  • ES134485A3 - An apparatus for pyrography, pyro-pressing and pyro-sculpture using electric current at any voltage. : en es
  • FR768017A - Unwavering wave device : en fr
  • GB414152A - Improvements in closures for collapsible tubes and other containers : en
  • GB414230A - Manufacture of poly-halogen derivatives of pyrene and of pyrene quninones : en
  • AU1350833A - Improved lock for securing doors, gates, lids, orthe like : en
  • CH170788A - Photographic material for making color halftone images and methods of making the same. : de en
  • CA343558A - Refrigerator : en fr
  • CH170914A - Process for the preparation of an azo dye. : de en
  • SU37677A1 - A device for dyeing yarn with skeins : en ru
  • SU37720A1 - Composition for etching forms for flat printing : en ru
  • CA343539A - Cooking, frying and baking apparatus : en fr
  • CH170856A - Discharge vessel, especially mercury vapor rectifier. : de en
  • CA343626A - Azo-dyestuff : en fr
  • CH170938A - Self-winding timepiece. : en fr
  • US1968231A - Lubricating apparatus : en
  • US1968688A - Loop cutter for embroidered materials : en
  • US1968774A - Apparatus for molding lithic : en
  • GB414395A - Improvement in rubber strips : en
  • DE1308168U - : de en
  • DE600717C - Arrangement for obtaining emanation according to : de en
  • SU37975A1 - Oven for smoked fish, meat, etc. : en ru
  • US1968156A - Process of preparing physiologically active extracts from the anterior lobes of the hypophysis : en
  • US1968462A - Article holder : en
  • US1968478A - Thread cop : en
  • CA343638A - Paper handling machine : en fr
  • CA343492A - Incinerator : en fr
  • CH170883A - Control device on wireless telecommunications equipment. : de en
  • CH170702A - Mower. : de en
  • DE600952C - Frame for displaying flat bottles : de en
  • ES134547A1 - Finned wheel water meter and without tow box with dry dial. : en es
  • FR768158A - Production of new oxazine series dyes : en fr
  • DE600975C - Laces for shoes : de en
  • FR768102A - Quick locking device, with automatic centering, of any part or component on their shaft : en fr
  • GB414120A - Improvements in impulse sending mechanisms for automatic telephone exchange systems and the like : en
  • CH170814A - Upholstered body. : de en
  • CA343593A - Valve grinding tool : en fr
  • CH170827A - Rooster. : de en
  • DE600918C - Additive for explosives : de en
  • US1968137A - Battery terminal clamp : en
  • FR768397A - Waterproof and transportable art monument : en fr
  • SU37965A1 - Ring saw : en ru
  • SU37966A1 - File cutter : en ru
  • US1968011A - Ignition device for high-power arc lamps : en
  • USRE19257E - Molded trimming : en
  • SU37823A1 - Cool board : en ru
  • CH170834A - Carburetor process for internal combustion engines and carburetor for carrying out this process. : en fr
  • GB414133A - Improvements in or relating to lubricators : en
  • US1968630A - Sheet collecting and folding mechanism for printing presses : en
  • DE600746C - A pump consisting of two cup-shaped housing parts pushed into one another with their open sides, especially for chocolate masses : de en
  • DE600754C - Process for the production of a fabric elastic in the warp direction : de en
  • CH170737A - Process and device for spinning and winding on bobbins of artificial yarns. : en it
  • SU37935A1 - Sort for potatoes : en ru
  • US1968234A - Radio dial illumination : en
  • US1968432A - Connecter : en
  • CA343541A - Bifocal lens : en fr
  • AU1133933A - Improvements in bedstead fittings : en
  • FR768072A - Elbow for connecting pipes to radiators and the like : en fr
  • CH170734A - Threaded cap. : de en
  • CH170724A - Shoe scraper. : de en
  • CH170792A - Ski anti-slip device. : de en
  • DE600726C - Thread changing device for circular knitting machines : de en
  • SU37863A1 - Plummet : en ru
  • BE403721A - Liquid coatings refinements : en fr
  • DE600819C - Cleaning device for disk roller grates : de en
  • FR768106A - Wheel tire, in particular for wheels of vehicles running on rails : en fr
  • FR768369A - Saw for masonry, rocks and other applications : en fr
  • ES134559A1 - Procedure of simultaneous manufacture of webs for boatas of materials of different qualities. : en es
  • GB414255A - Improvements in liquid fuel burners : en
  • CH170755A - Process for the production of alcohol through fermentation of substances containing carbohydrates. : de en
  • CH170928A - Process for the preparation of an azo dye. : de en
  • DE600792C - Hair brushing device for fur sewing machines : de en
  • DE600852C - Ski edge : de en
  • FR768329A - Glossy, insoluble water-based varnish-paint after drying : en fr
  • FR768352A - Improvements to reflectors for lighting : en fr
  • CH170757A - Process for the production of a non-bitter flour from soybeans. : de en
  • DE600832C - Device for measuring the length of fibers or threads : de en
  • FR768246A - Airplane driven by gas turbines : en fr
  • GB414225A - Improvements in photographic cameras : en
  • DE595360C - Machine for cutting, lifting, conveying and laying down peat sod : de en
  • GB414222A - Improvements in telephone systems : en
  • US1968241A - Iron sheet piling : en
  • SU37735A1 - Electro-rail brake : en ru
  • US1968038A - Method of producing coke and distillate : en
  • AU1531433A - A process and apparatus for the preparation, cooking and canning of chickens and other birds and animal flesh : en
  • DK49054C - Procedure for the production of copy color coating which does not penetrate and is not smeared out, on support means such as paper with text, forms and the like for copying. : da en
  • FR768038A - Cylindrical spotlights : en fr
  • CA343647A - Rubber article moulding machine : en fr
  • FR768334A - Insulation or centering parts of electrical conductors : en fr
  • GB414401A - Golf practice mat : en
  • US1968415A - Conveying mechanism for stitching machines and the like : en
  • US1968765A - Dental plate : en
  • USD92930S - Design fob a hinge for cabinet doors : en
  • BE403696A - Fine charcoal burner : en fr
  • DE600965C - Bucket wheel excavator : de en
  • FR768079A - Improvements to collectors for economizers and other heat exchanger devices : en fr
  • FR768364A - Process for preparing dibenzanthrone and its derivatives : en fr
  • DE600535C - Device for regulating the level of the barrier fluid in high-pressure station gas meters of wet design : de en
  • DE600901C - Coil sensor : de en
  • GB414239A - Improvements in or relating to optical systems for observing displacement or deflection in connection with measuring instruments : en
  • SU37788A1 - Apparatus for mechanically separating oxygen supplied from nitrogen into the air supplied to the furnace : en ru
  • US1968624A - Grain dump : en
  • CA343508A - Sales book : en fr
  • FR768128A - Device for holding the electrodes of a discharge tube : en fr
  • FR768340A - Temperature indicator : en fr
  • FR768030A - Improvements in processes and apparatus for reducing and regulating fluid pressure : en fr
  • FR768363A - : fr
  • FR768200A - Liquid heater : en fr
  • GB414384A - Improvements in or relating to door checks and like devices : en
  • CA343614A - Oscillation generating apparatus : en fr
  • CA343634A - Repeatedly ignitable match : en fr
  • CH170707A - Forestay for construction and earthworks. : en fr
  • CH170765A - Process for the preparation of a mixture of arseno-arsenic compounds. : de en
  • SU37873A1 - Dosing table for bulk materials : en ru
  • US1968439A - Gearing : en
  • CH170927A - Process for the preparation of an azo dye. : de en
  • GB414297A - Improvements in or relating to addressing and like series-printing machines : en
  • CH170784A - Apparatus for marking flat surfaces. : de en
  • ES134573A1 - Improvements in the manufacture of the sobreasada. : en es
  • GB414240A - Improvements in or relating to moulds for casting metals : en
  • CH170774A - Process for the production of everyday objects. : de en
  • US1968076A - Aeroplane wheel : en
  • SU37846A1 - The method of obtaining color resin : en ru
  • SU37828A1 - Vertical single chain hoist : en ru
  • US1968321A - Pulley : en
  • US1968514A - Die shaping machine : en
  • GB414652A - Improvements in and relating to apparatus for drying materials : en
  • AU1355533A - Device for distributing poison baits : en
  • DE600703C - Pressure or suction filter device : de en
  • FR768300A - Expandable mandrel for winding and other work : en fr
  • GB414214A - Grate cleaning device : en
  • CA343627A - Golf club : en fr
  • GB414392A - A new or improved fastening for use with small flexible bands, chains or the like, such as wrist watch bands or the like : en
  • US1968106A - Transmission system : en
  • US1968685A - Casing head : en
  • CH170942A - Press for filling and against air admission and thus safe storage of fats and the like against contamination. : de en
  • GB414310A - Improvements in detachable shirt collars : en
  • FR768185A - Acoustic detector : en fr
  • GB414155A - Improvements in covers and frames for manholes and other openings in roadways and pavements : en
  • CH170720A - Oil firing system. : de en
  • US1968079A - Welding machine : en
  • FR768210A - Mechanical warper : en fr
  • SU37834A1 - Precast reinforced concrete frame for buildings : en ru
  • US1968201A - Calculating machine : en
  • SU37909A1 - A device for solving a system of linear equations : en ru
  • DE587765C - Drying tobacco or the like : de en
  • US1968710A - Toy boat or the like : en
  • US1968134A - Combined initial and percussion composition : en
  • US1968445A - Gate-operating mechanism : en
  • CH170836A - Internal combustion engine with a flywheel ignition magnet, with a flywheel disc facing away from the motor housing and a plate carrying the stationary parts of the ignition magnet being arranged so as to be adjustable with respect to the motor housing. : de en
  • FR768159A - Winding body for freshly spun artificial silk threads : en fr
  • GB414254A - Stoppers for bottles with internal expanding device : en
  • GB414383A - Improvements in or relating to umbrellas and sunshades : en
  • US1968060A - Wire clamp : en
  • US1968449A - Cylinder liner for internal combustion engines : en
  • DE600770C - Process for the production of acetaldehyde from ethyl alcohol : de en
  • FR768244A - New watering lance : en fr
  • GB414650A - Improvements in arrangements for converting direct current electric supply into alternating electric supply : en
  • CA343585A - Seat supporting deck : en fr
  • DE600883C - Miner's lamp indicating gas : de en
  • IS78B6 - Methods and equipment for the production of granular products from liquid materials : en is
  • US1968565A - Connection for blasting fuses and method of using the same : en
  • ES2287Y - Support table for washing machines. : en es
  • CH170779A - Bottle packaging. : de en
  • CH170929A - Process for the preparation of an azo dye. : de en
  • US1968465A - Circuit breaking receptacle : en
  • CA343534A - Aviator training and testing device : en fr
  • US1968252A - Process for refining vegetable and animal oils and fats : en
  • US1968529A - Sash construction : en
  • SU37907A1 - Slide rule : en ru
  • SU37986A1 - Device for changing the proportions of originals through photographic shooting : en ru
  • US1968256A - Shoe supporting jack : en
  • US1968572A - Shoe counter : en
  • US1968596A - Wire clamp : en
  • SU37978A1 - Stamped biscuit machine : en ru
  • US1968088A - Protective lining for vessels : en
  • US1968348A - Nozzle : en
  • US1968484A - Fluid pressure actuated device and means for controlling same : en
  • US1968713A - Crank case attachment : en
  • AU1369233A - Two-way stump-jump plough : en
  • AU1680134A - Improvements in or relating to anchors : en
  • FR768278A - Liquid switch, in particular trigger switch : en fr
  • GB414204A - Improvements in or relating to decorative rubber articles and a method of making the same : en
  • SU37737A1 - Castle for railroad arrows : en ru
  • US1968268A - Drink mixer with automatic elevator : en
  • CH170864A - Pilot burner device. : de en
  • DE596227C - Diaphragm pump : de en
  • GB414336A - Improvements in or relating to the manufacture of substituted amides and compositions containing same : en
  • DK49053C - Device for permanent indulation of hair during the use of a chemical which, when wetted, generates heat. : da en
  • SU37768A1 - Method and device for detecting and determining the number of short-circuited turns in electric coils : en ru
  • CH170860A - Contact device for relays. : de en
  • FR768039A - Improvements to coin changer-pay machines : en fr
  • GB414212A - Corrosion-resistant and malleable alloys : en
  • SU37781A1 - The method of obtaining paint for stamps and rotary-multiplying devices : en ru
  • US1968709A - Attachable toothbrush protector : en
  • SU37760A1 - Span control device : en ru
  • US1968797A - Sulphuric derivative of higher alcohols : en
  • SU37703A1 - The method of producing tannate iron : en ru
  • DK49056C - Disc stamping machine. : da en
  • US1968528A - Communication system : en
  • US1968621A - Oil cooler : en
  • CA343641A - Printing press : en fr
  • US1968235A - Wave motor device : en
  • US1968699A - Combined intake and exhaust manifold : en
  • FR768055A - New ortho-aminoazo compounds and their preparation process : en fr
  • GB414176A - Improvements in or connected with hydro-carbon vapour lamps or burners : en
  • AU1659034A - Improvements relating to rotary kiln plants : en
  • GB414343A - Improvements in or relating to hot water bottles of rubber or the like : en
  • CH170904A - Vehicle that can run on rails and roads. : en fr
  • FR768338A - Improvements to assembly devices for high pressure pipes : en fr
  • DE600781C - Surgical chisel with motor-driven, back and forth oscillating cutting edge : de en
  • DE600816C - Process for the production of sound films by the amplitude recording process : de en
  • GB414357A - Improvements in and relating to thermionic valves : en
  • USD92901S - Design for a bottle : en
  • SU37790A1 - Adaptation to round German knitting machines of the "Schubert and Seltzer" system, preventing accidents when changing needles : en ru
  • SU37899A1 - Vibration machine for the initiation of artificial vibrations in buildings : en ru
  • US1968633A - Automatic heading device : en
  • US1968758A - Crab trap : en
  • SU37887A1 - A device for obtaining variable stereoscopic images : en ru
  • SU37900A1 - Instrument for determining the direction and speed of ground flow : en ru
  • US1968352A - Cutting, setting, and sharpening saws : en
  • US1968491A - Centrifugal machine : en
  • DE600797C - Attachment of a pouring spout with a drip tray : de en
  • US1968676A - Slub catcher : en
  • US1968704A - Jelly manufacture : en
  • CH170745A - Tie clips, in particular for self-ties. : de en
  • CH170889A - Audible horn with dynamic air action. : en fr
  • GB414355A - Improvements relating to footstools and the like : en
  • CH170901A - Step template. : de en
  • SU37796A1 - The method of obtaining sulfitellulose tanning extracts : en ru
  • US1968444A - Watchcase : en
  • US1968620A - Gas burner : en
  • US1968090A - Electric switch : en
  • SU37754A1 - Machine for winding wire ends with insulating threads : en ru
  • SU37918A1 - Plow attachment for loosening the formation : en ru
  • US1968408A - Lawn mower : en
  • SU37792A1 - The method of fractional condensation of resin vapors from dry distillation gases of solid combustible gases : en ru
  • US1968753A - Solid detergent : en
  • CH170935A - Process for the preparation of a vat dye of the anthraquinone series. : de en
  • US1968066A - Hand telephone : en
  • SU37765A1 - Device for automatic control of the operation of installations according to a predetermined schedule : en ru
  • DE594413C - Adjustable closure, especially for veils, hairdressing hoods, etc. like : de en
  • CH170793A - Ski pole. : de en
  • CH170791A - Contact device for musical instruments, in particular organs. : de en
  • CH170808A - Second watch. : en fr
  • CH170917A - Process for the preparation of an azo dye. : de en
  • SU37825A1 - A device similar to a crane on a column with a suspended crossbar and with a counterweight : en ru
  • SU37843A1 - Method of making hollow articles from liquid in hot state and solidifying during cooling glass, plastic and other masses : en ru
  • CA343580A - Combustion apparatus : en fr
  • FR768077A - Improvements to electrical relay systems incorporating light sensitive devices : en fr
  • GB414144A - New or improved tilling attachment of the rotary tilling machine type : en
  • US1968388A - Transom and window adjuster and lock : en
  • US1968480A - Electrical contact : en
  • SU37854A1 - The method of obtaining hard alloys : en ru
  • US1968547A - Conveying system : en
  • US1968618A - Driving axle : en
  • US1968790A - Reduction of metallic bodies : en
  • AU1633334A - Improvements in and relating to prepayment meter mechanism : en
  • SU37707A1 - The method of obtaining quinic acid from cranberries : en ru
  • DE600780C - Mercury vapor rectifier with mercury cathode : de en
  • DE600806C - Process and machine for the independent production of jewelry chains : de en
  • ES134359A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • GB414370A - Improvements in or relating to the preparation of catalytic agents : en
  • AU1296133A - Improvements in and relating to chicken incubators : en
  • CA343540A - Valve grinding machine : en fr
  • CA343551A - Ophthalmic lens : en fr
  • CA343653A - Staple : en fr
  • FR768295A - Combined wrapper press : en fr
  • GB414154A - Improvements in measuring device for liquids : en
  • GB414183A - A new or improved toy : en
  • GB414672A - Improvements relating to the manufacture of fuel briquettes from carbonaceous material : en
  • SU37800A1 - Harvesting and decortication device for bast stalks : en ru
  • US1968099A - Radio frequency distribution system : en
  • FR768121A - Improvements to metal jars for die-forming and line casting machines : en fr
  • SU37993A1 - Device for cleaning calonine shafts from squeezing presses : en ru
  • US1968342A - Illuminated mirror : en
  • FR768251A - Sterilization device : en fr
  • US1968589A - Vehicle brake : en
  • DE600823C - Process for the production of water-insoluble azo dyes : de en
  • GB414094A - Improvements in and connected with aluminium alloys : en
  • SU37802A1 - The method of preparation of viscose solutions : en ru
  • SU37814A1 - A method of manufacturing a denture : en ru
  • SU37888A1 - A device for obtaining variable stereoscopic images : en ru
  • US1968461A - Astronomical instrument : en
  • US1968303A - Toothbrush : en
  • CA343520A - Automobile door : en fr
  • GB414169A - Improvements in or relating to sheet delivery mechanism for printing machines : en
  • GB414177A - Improvements relating to devices for offsetting ridgers or other draft implements attached to rotary tilling machines : en
  • SU37666A1 - Combined Skip with Crate : en ru
  • SU37977A1 - Method of making composition for feed additive : en ru
  • US1968392A - Solvent process : en
  • US1968488A - Paper cutter : en
  • US1968551A - Elevator control system : en
  • US1968684A - Double bucket dredge : en
  • DE600759C - Photosensitive material containing diazo compounds and azo components : de en
  • SU37721A1 - Method of making etching salt for printing plates : en ru
  • SU37914A1 - Watch for watchmen : en ru
  • SU37716A1 - Typewriter for typing text in typographic font : en ru
  • SU37741A1 - Locomotive : en ru
  • US1968065A - Garment hanger : en
  • US1968586A - Vehicle brake : en
  • SU37889A1 - Stereo panoramic device : en ru
  • US1968229A - Torque tube stabilizer : en
  • US1968502A - Egg beater : en
  • FR768152A - Knee joint for artificial leg : en fr
  • CH170773A - Process for preparing a fatty substance soluble in mineral oils. : en fr
  • DE600835C - Filling scale for easily caked goods : de en
  • GB414099A - Improvements in and relating to machines for wrapping pipes and the like : en
  • SU37911A1 - Caller Coin Account : en ru
  • SU38019A1 - Three digit light for traffic control : en ru
  • CH170754A - Process for the production of yeast. : de en
  • GB414390A - Improvements in or relating to pistons : en
  • CA343515A - Hose coupling : en fr
  • CA343606A - Duplicating machine : en fr
  • GB414124A - Coin-freed time controlling mechanism for valves and electric switches : en
  • GB414175A - Improvements in paper and like bags or sacks : en
  • BE403443R - Improvement in valve distributions for pressurized fluid engines : en fr
  • CH170843A - Terminal for measuring device connection with device for uninterrupted connection of control equipment. : de en
  • DE600734C - watch strap : de en
  • DE600761C - Process for the production of gypsum screed : de en
  • DE600776C - Arrangement to eliminate the harmful effects of mains voltage fluctuations on mains-powered radios, mains anodes or the like. : de en
  • US1968698A - Fuel vaporizer : en
  • DE600893C - Control and stabilization surface arranged above the wing of the aircraft : de en
  • DE600907C - Multi-engine drive for electric vehicles : de en
  • DK49077C - Buckle for Waving Hair. : da en
  • SU37673A1 - Pipe flaring : en ru
  • GB414151A - Improved top cylinder lubricating oils : en
  • US1968603A - Spinning ring : en
  • US1968669A - H arnold : en
  • DE600841C - Self-collecting lock with a letter lock : de en
  • GB414171A - Improvements in or relating to gramophone and like sound disc-records : en
  • GB414159A - Improvements in and relating to boxes adapted for dispensing their contents : en
  • CA343573A - Vertical boiler : en fr
  • CA343577A - Liquid material transferring apparatus : en fr
  • DE600851C - Device for sharpening or sharpening the lead of pencils and fountain pens : de en
  • DE600871C - Control device, especially for locomotive or similar machines : de en
  • DE600766C - Book cover for loose sheets : de en
  • DE600920C - Cooling device for the rolls of rolling mills : de en
  • GB414271A - Improvements in or relating to engine or machine beds or frames : en
  • FR768105A - Snap-action coupling and freewheel device for all uses : en fr
  • GB414241A - Improvements in or relating to universal joints : en
  • US1968263A - Drinking tumbler : en
  • US1968564A - Milking apparatus : en
  • US1968643A - Wardrobe suitcase : en
  • US1968027A - Graining tool : en
  • US1968096A - Roof truss : en
  • DE600820C - Double filter plate for filter presses : de en
  • FR768042A - Improvements to large diameter pipe elements : en fr
  • FR768270A - Controlled overload circuit breaker : en fr
  • US1968273A - Display support for burial caskets and vaults : en
  • US1968419A - Transmission mechanism : en
  • AU1588534A - Improvements in incubators : en
  • SU37694A1 - A device for cleaning asbestos used in filtration : en ru
  • SU37785A1 - Method for isolating proteins from castor fat : en ru
  • US1968370A - Method of etching a metal graining plate : en
  • SU37971A1 - Bending machine coarse : en ru
  • US1968260A - Push-pull connection for amplifying electric oscillations : en
  • US1968595A - Hydraulic press : en
  • FR768043A - Shuttle stitch sewing machine improvements : en fr
  • FR768109A - Process for imparting consistency to fuels and their components, liquid hydrocarbons, alcohols, oils, fats and the like and resulting products : en fr
  • FR768065A - Improvements to constant velocity joints for automotive transmission, or other uses : en fr
  • GB414284A - Improvements in or relating to cans or like metal containers : en
  • CH170780A - Ring punch for manual operation. : de en
  • FR768383A - Improvements relating to signaling systems for railways or similar systems : en fr
  • DE600782C - Stand-by case for electrical, surgical, in particular dental instruments : de en
  • DE600960C - Adjustable contact thermometer : de en
  • SU37908A1 - A device for solving a system of linear equations. : en ru
  • US1968024A - Method of treating vegetable tanning agents or composition therefor : en
  • US1968061A - Knitted fabric and method of and apparatus for making the same : en
  • US1968454A - Tube compressor : en
  • US1968775A - Retort : en
  • ES2137Y - Provision for tightening metal plugs. : en es
  • DE600926C - Rail fastening on iron trough cross sleepers : de en
  • CA343483A - Settling tank : en fr
  • DE600701C - Device for guiding weft bobbin thread ends to weft bobbin magazines : de en
  • DE600818C - Call waiting machine : de en
  • FR768248A - Improvements to cases, especially for binoculars : en fr
  • GB414309A - Improvements in and relating to catamenial bandages : en
  • FR768287A - Box closing device : en fr
  • GB414220A - Improvements in backgrounds for illuminated objects : en
  • DE600867C - Process for precipitating organic cellulose esters from the reaction mixture : de en
  • GB414198A - An improved crank and connecting rod assembly : en
  • USD92924S - Design for a shoe : en
  • BE403888A - Assembly of an electric discharge tube in a gas atmosphere : en fr
  • FR768367A - Improvements in the manufacture of razors : en fr
  • US1968750A - Radio receiving system : en
  • US1968473A - Internal combustion engine : en
  • US1968599A - Manufacture of chromium oxide : en
  • CH170772A - Anti-rust paint. : de en
  • SU37996A1 - Automatically operated device for shutting down the pump : en ru
  • CH170708A - Rail sleeper. : de en
  • CA343610A - Multi-range coupling circuit : en fr
  • FR768062A - Advanced Reservoir Pen Holders : en fr
  • US1968569A - Permanent magnet and method of making it : en
  • CH170813A - Semi-automatic machine for simultaneously turning, milling and chamfering cores of all shapes. : en fr
  • DE600808C - Compressed gas switch, in which the compressed gas is controlled by a common valve for both the extinguishing of the arc and the switching off movement of the contacts : de en
  • US1968567A - Fountain pen : en
  • FR768094A - Improvement in windows, tilting doors and the like : en fr
  • CA343615A - Pentode output circuit : en fr
  • GB414277A - Improvements in metallic structural members suitable for roof framing : en
  • US1968723A - Golf club separator : en
  • DE600705C - Process for the hydrogenation of coal : de en
  • GB414110A - Improvements in or relating to the manufacture of barium fluosilicate and its application : en
  • CH170717A - Device to make it impossible to open the doors of aircraft and other vehicles moving at high speed while driving. : de en
  • CA343484A - Vehicle suspension : en fr
  • DK49065C - Unicycle for Automobiles and similar Vehicles. : da en
  • FR768135A - Machine for finishing the neck of carboys, stagnants and other glass containers : en fr
  • SU37962A1 - Drive to lathe spindle : en ru
  • US1968128A - Kick-out for metal working machines : en
  • US1968539A - Measuring apparatus : en
  • GB414135A - Improvements in or relating to thermionic amplifiers : en
  • GB414295A - Apparatus and process for the low temperature distillation or carbonization of bituminous coals : en
  • FR768132A - Process for the treatment of fibrous materials and products obtained by this process : en fr
  • DE600936C - Electrical resistance body : de en
  • CH170824A - Method of creating a bearing surface with a low coefficient of friction. : de en
  • CA343583A - Alloy annealing process : en fr
  • FR768281A - Combined ignition and steering lock : en fr
  • GB414115A - Improvements in and relating to electrical contacts : en
  • DK49069C - Protection signaling system at Railway crossings. : da en
  • DE600811C - Process for the production of water-resistant casein glues : de en
  • ES134317A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF SAID PATENT : en es
  • US1968700A - Hydraulic driving device for clamping chucks and the like : en
  • SU37664A1 - Coal mining machine (mining combine) : en ru
  • US1968163A - Diesel engine : en
  • USD92888S - Design fob a lamp : en
  • SU37844A1 - Machine for separating double celluloid crests : en ru
  • US1968452A - Roofing structure : en
  • US1968600A - Electrical winding : en
  • US1968779A - Sealing means for valves : en
  • DE600953C - Device for adhering photographic films to paper or similar tabs : de en
  • GB414181A - Improvements in or relating to plate heat exchange apparatus for fluids : en
  • SU38027A1 - Carding machine : en ru
  • US1968791A - Pneumatic bobbin stripping apparatus and method : en
  • CH170891A - Advertisement seal. : de en
  • CH170893A - Clip-on label with a protective flap to be placed around the edge of the goods. : de en
  • US1968146A - Machine for shaping shoe uppers : en
  • SU37943A1 - Trap for rodents gophers, etc. : en ru
  • DE600999C - Method and device for the preservation, in particular of powdery, fine-grained or fine-pored food and luxury goods in closed containers : de en
  • FR768226A - Gravel spreader for road maintenance : en fr
  • US1968552A - Oxidation of alcohols : en
  • US1968594A - Grave vault fastening mechanism : en
  • ES134433A1 - An improved procedure and its corresponding special device for the adjustment and leveling of wheels for vehicles. : en es
  • SU37868A1 - Device for controlling the sensitivity of seismographs : en ru
  • US1968662A - Sharpening apparatus : en
  • FR768392A - Wing end fairing : en fr
  • GB414308A - Improvements in or relating to means for determining courses and/or distances from a chart : en
  • US1968776A - Electric heater : en
  • CH170760A - Process for the preparation of a mixture of organic antimony complex salts. : de en
  • DE600765C - Brush with stepped longitudinal grooves intended to accommodate the bristle feet in the brush wood : de en
  • DK49067C - Foldable Insert for Cardboard Bottle Boxes. : da en
  • GB414157A - Improvements in or relating to the process of photographic reversal : en
  • DE600704C - Process for the extraction of lithium compounds from lithium-containing minerals : de en
  • FR768178A - Device allowing a continuous flow out of a container of products in grains or small pieces and its applications, in particular to coffee boxes and to seed drills : en fr
  • US1968557A - Radioreceiver : en
  • CA343625A - Radiator connection : en fr
  • FR768184A - Maintaining steam turbine feed availability : en fr
  • FR768344A - Multipurpose transportable bed, for children : en fr
  • CA343588A - Folding chair : en fr
  • CH170854A - Discharge tube with anode that moves during operation. : de en
  • US1968394A - Decalcomania : en
  • CA343576A - Coat belt : en fr
  • CH170718A - Fittings for shutters and the like. : de en
  • SU37936A1 - Cotton banding machine : en ru
  • CA343657A - Coffee percolator : en fr
  • CH170815A - Valve disc grinding machine. : de en
  • CH170816A - Machine for repairing chipped containers. : en fr
  • DE600794C - Enlarger : de en
  • DE600876C - Brush holder for electrical machines in which the brush is pressed sideways against its guide : de en
  • FR768316A - Safety device for gas pressure reducing devices : en fr
  • SU37757A1 - Electric switch : en ru
  • SU37836A1 - Slider to circular saw for mounting and feeding the workpiece in various positions : en ru
  • SU37869A1 - Liquid dispenser : en ru
  • US1968458A - Radio communication system : en
  • SU37717A1 - Writing machine : en ru
  • SU37866A1 - A device for measuring areas of flat opaque shapes, such as leather : en ru
  • US1968355A - Incubator : en
  • FR768001A - Barrel for electric rotary switch : en fr
  • GB414172A - Improvements in hair-drying apparatus : en
  • US1968207A - Shipping crate : en
  • CA343494A - Brake releasing mechanism : en fr
  • CA343502A - Liquid fuel burner : en fr
  • DE600906C - Motor-electric drive, especially for electric vehicles : de en
  • DE600978C - Machine for making linoleum mosaic : de en
  • US1968019A - Electric cable : en
  • US1968754A - Hair curling appliance : en
  • US1968545A - Roasting device : en
  • SU37770A1 - Explosion Proof Electric Lighting Device : en ru
  • SU37879A1 - The method of preparation of a wax disc with a sound recording on it to the coating with a layer of silver : en ru
  • CA343563A - Carboxylic acid : en fr
  • DE600750C - Method for determining the direction of a sound source : de en
  • DE600855C - Switchable device for static and isodromic control for power machines : de en
  • DK49059C - Single-acting, slot-controlled Two-stroke combustion engine. : da en
  • FR768189A - Felt filter for fumes, dust, arcines, combat gases or others : en fr
  • BE403641A - : en fr
  • US1968450A - Noise suppression circuit : en
  • US1968686A - Cream dispenser : en
  • CA343601A - Solvent and plasticizing composition : en fr
  • DE600713C - Arrangement for obtaining emanation according to : de en
  • DE600870C - High-pressure steam generator with indirect heating of an evaporator by a high-boiling liquid heated in an existing low-pressure boiler : de en
  • ES2773U - A glove (Machine-translation by Google Translate, not legally binding) : en es
  • GB414369A - Improvements relating to the manufacture of fuel briquettes from carbonaceous material : en
  • SU37671A1 - Pipe gripper : en ru
  • SU37886A1 - Field colorimeter : en ru
  • US1968402A - Contractile bobbin : en
  • SU37776A1 - AC electric furnace for smelting predominantly low-melting metals : en ru
  • SU37811A1 - Device for holding the lamp in the mouth for medical purposes : en ru
  • SU37818A1 - The mechanism of automatic finishing forms in glass-making machines of the conveyor system : en ru
  • US1968100A - Typewriting machine : en
  • US1968164A - System for measuring transmission losses at various frequencies : en
  • US1968218A - Electric motor : en
  • SU37931A1 - Reel for sweepers : en ru
  • SU38031A1 - Exhaust apparatus for high exhaust : en ru
  • US1968259A - Superheterodyne receiver : en
  • US1968632A - Control system : en
  • US1968771A - One-way clutch : en
  • CH170863A - Headlight washer, in particular for vehicle headlights, for cornering and fog lighting. : de en
  • CA343608A - Electric oscillation amplifier : en fr
  • AU1716334A - Improved lock for securing doors, gates, lids, or the like : en
  • US1968376A - Front end construction for rock drills : en
  • FR768233A - Gear pump : en fr
  • FR768228A - Improvements to devices, sensitive to variations in viscosity of a fluid, in fluid circulation systems : en fr
  • FR768331A - Automatic regulator for motor-compressor units or similar installations : en fr
  • CA343505A - Log sawing machine : en fr
  • GB414258A - Improvements in or connected with gardening frames for seeds, plants and the like : en
  • GB414415A - Manufacture of derivatives of 1-nitro-anthraquinone-6-carboxylic acid : en
  • AU1355433A - An improved apparatus for use in gas analysis : en
  • US1968281A - Method and means for laying waterproof coverings : en
  • US1968390A - Distributing valve : en
  • US1968417A - Pineapple stump chopper : en
  • BE403683A - : en fr
  • CH170819A - Hair clipping scissors. : de en
  • DE600921C - Process for fixing patterns on velvet, plush or other pile fabrics : de en
  • CA343496A - Scraping and cleaning implement : en fr
  • SU37775A1 - Mercury Rectifier Training Device : en ru
  • CH170842A - A device for carrying the movable line, which is arranged on a non-stationary electrical apparatus with a movable connection line. : de en
  • US1968404A - Waffle iron : en
  • DE600933C - Process for the production of cable lines for electrical high voltage with cables pulled into pressure pipes : de en
  • SU37870A1 - Amount measuring apparatus : en ru
  • US1968129A - Clutch : en
  • US1968181A - Centrifugal machine : en
  • US1968471A - Adjustable wheel lug : en
  • DE600745C - Method and device for removing the emulsion layer from old films : de en
  • USD92876S - Design for a shoe : en
  • CH170925A - Process for the preparation of an azo dye. : de en
  • CH170939A - Time-setting mechanism for a timepiece. : en fr
  • US1968527A - Change speed gear : en
  • SU37946A1 - Automatic charge pressure regulator for aircraft internal combustion engines : en ru
  • GB414245A - Improvements in pea-shelling machines : en
  • US1968078A - Selective code receiver : en
  • FR768304A - Laundry spinner improvements : en fr
  • FR768181A - Process for sizing and / or impregnating paper pulp or other similar material : en fr
  • FR768049A - Process for printing wood in several colors and at once : en fr
  • FR768254A - Method and machine for the production of strips of slide fasteners : en fr
  • GB414275A - Improvements in and relating to packages : en
  • ES134528A1 - An apparatus for dispensing liquids. : en es
  • FR768019A - Suspension for motor vehicles and others : en fr
  • GB414208A - Trigger mechanism for automatic firearms : en
  • FR768006A - Process for absorbing mothballs from still gases : en fr
  • GB414251A - Improvements in or relating to thermionic valve circuit arrangements : en
  • DE600844C - Brake pump, especially for motor vehicles : de en
  • ES133885A1 - Procedure to produce the movement of steam engines, fixed or mobile, suppressing water and coal. : en es
  • FR768236A - Receiver of t. s. f. with a loop antenna : en fr
  • US1968283A - Collar stretching and ironing device : en
  • US1968583A - Vehicle brake : en
  • DE600934C - Method and device for soft or hard soldering of the waveguides of oil-filled cables : de en
  • FR768085A - Improvements to filters for liquids : en fr
  • FR768296A - Salinometer : en fr
  • US1968049A - Heat transfer and refrigeration : en
  • SU38016A1 - Device for signaling at certain intervals of burden : en ru
  • DK49058C - Device for hobs for stoves. : da en
  • CA343522A - Match packet : en fr
  • SU37766A1 - Actuator for a mechanism that develops the image of curves along a line in a recording instrument : en ru
  • SU37804A1 - Double acting piston pump : en ru
  • SU38036A1 - Device for inserting a swirling mouthpiece in a cigarette tube : en ru
  • SU38055A1 - Device for driving the stitches on lower-weaving looms : en ru
  • US1968117A - Power operated dump truck : en
  • CA343658A - Cellulose ester : en fr
  • DE600771C - Process for the preparation of 1-phenyl-2-aminopropan-1-ols hydroxylated in the phenyl nucleus : de en
  • DE600859C - Flat belt made of fiber fabric : de en
  • CA343486A - Cream dispenser : en fr
  • SU37797A1 - The method of obtaining sulfitellulose tanning extracts : en ru
  • CA343639A - Projection system : en fr
  • AU1279233A - Method and apparatus for baling : en
  • ES2799U - Movement device for the figures or seat of carrousels and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • US1968365A - Gasket : en
  • US1968727A - Paper milk bottle : en
  • US1968799A - Process of preparing, grinding, or polishing tools : en
  • SU38022A1 - Three bladed rattle for scutching machines : en ru
  • US1968153A - Address-printing machine : en
  • US1968175A - Rotary machine : en
  • US1968291A - Shoe : en
  • SU38012A1 - Shading device : en ru
  • US1968707A - Pipe wrench : en
  • US1968729A - Rotary motor : en
  • CH170877A - Process for the preparation of 4-amino-6-cinnamoylamino quinaldine. : de en
  • FR768241A - Suspension clip for slabs : en fr
  • GB414274A - Improvements in charging and discharging devices for furnaces : en
  • FR768059A - Bearing device for rotary pumps : en fr
  • AU1584134A - Improvements inthe treatment of textile materials : en
  • CH170886A - Device intended to ensure the protection of the property. : en fr
  • FR768366A - Process for the simultaneous manufacture of salts of hexavalent chromium and other valuable oxygenates : en fr
  • GB414196A - Improvements in or connected with propelling pencils : en
  • GB414202A - Improvements in or relating to film magazines for motion picture apparatus : en
  • GB414229A - Improvements in two-stroke internal combustion engines : en
  • AU1668534A - Improvements relating to loose leaf binders : en
  • CA343622A - Dyeing machine : en fr
  • US1968492A - Toy figure : en
  • US1968083A - Transfer : en
  • US1968346A - Method of producing an unsymmetrical alternating voltage : en
  • GB414268A - Improved apparatus for use in teaching physical geography and the like : en
  • GB414281A - Improvements in paper containers : en
  • US1968265A - Bag holder : en
  • US1968537A - Rotary motor : en
  • GB414203A - Improvements in or relating to galvanic batteries : en
  • CA343644A - Humidity controller : en fr
  • FR768023A - Construction game : en fr
  • SU37650A1 - Apparatus for air fractional classification : en ru
  • SU37658A1 - Device for automatic feeding of drilling tools for rotary and turbine drilling : en ru
  • US1968403A - Shredding tobacco stems : en
  • US1968405A - Beehive frame locking bar : en
  • SU37894A1 - Optical device to the K Creme type Homer : en ru
  • US1968114A - Treatment of sewage and the like : en
  • US1968193A - Sun glass spectacles : en
  • US1968297A - Automatic blow-out preventer : en
  • US1968691A - Manufacture of concrete and apparatus for use therewith : en
  • US1968068A - Process and apparatus for measuring the phase difference of electric currents : en
  • US1968138A - Timer : en
  • US1968317A - Demountable reflector assembly : en
  • CH170936A - Process for the preparation of a vat dye of the anthraquinone series. : de en
  • DE600724C - Device for separating airborne dust from flue gases : de en
  • FR768390A - Device for remotely starting and stopping an electric motor, by means of electric pulses : en fr
  • CA343567A - X-ray tube shield : en fr
  • ES2404Y - A document punch for filing : en es
  • US1968026A - Traverse drive for spinning machines : en
  • US1968120A - Patient position supporting attachment for hospital beds : en
  • CH170771A - Process for the production of homogeneous mixtures of color bodies, oily substances and water. : de en
  • CH170902A - Switching device for motor vehicles with multi-speed transmissions. : de en
  • GB414375A - Indirectly heated cathode : en
  • IE13448L - Baking : en
  • CA343568A - Temperature controlling apparatus : en fr
  • DE600866C - Fastening device for ironing boards on a table or the like. : de en
  • FR768119A - Manufacturing process on lace looms or mechanical tulles of fabrics comprising bands imitating knitting : en fr
  • FR768179A - Process for the purification and regeneration of hydrocarbons, animal and vegetable oils, resins, waxes, etc. : en fr
  • GB414303A - Improvements in or relating to railway point lanterns : en
  • DE600721C - Process for the production of sulfonic acids of the anthraquinone series : de en
  • GB414396A - Improvements in warp beaming machines : en
  • USD92929S - Design for a doorlatch for cabinets : en
  • USD92936S - Design for a cap : en
  • US1968372A - Stemming machine : en
  • USD92909S - Design foe an instrument panel : en
  • GB414374A - Improvements in or relating to electrolytic condensers : en
  • US1968064A - Grip for golf clubs and the like : en
  • US1968085A - System of navigation and plant for carrying it out : en
  • US1968236A - Wave motor device : en
  • SU37722A1 - Thermal insulation wall for refrigerated cabinets or cars : en ru
  • SU37748A1 - Two way antenna : en ru
  • US1968483A - Plating aluminium and its alloys : en
  • SU37891A1 - Micro refractometer : en ru
  • US1968143A - Goggles : en
  • US1968279A - Apparatus for decorating webs of material such as paper, cloth, and the like : en
  • BE403805A - : en fr
  • US1968658A - Dish rack : en
  • US1968657A - Dishwashing machine : en
  • CA343516A - Ski harness : en fr
  • CA343584A - Oil green bloom agent : en fr
  • CH170918A - Process for the preparation of an azo dye. : de en
  • GB414345A - Method of securing cooling ribs upon tubular members to the resulting product and its combination units : en
  • AU1555433A - Improvements in automatic telephone systems : en
  • SU38026A1 - The drive unit to the removable comb card machine : en ru
  • US1968542A - Direction responsive means : en
  • SU37867A1 - A device for determining the level of liquid in tanks : en ru
  • SU37876A1 - Automatic Scales : en ru
  • US1968601A - Preparation of olefine derivatives : en
  • US1968692A - Centrifugal machine : en
  • CA343544A - Tubular material treating method : en fr
  • US1968796A - Agent for wetting : en
  • DE600778C - Resistance band for high frequency : de en
  • ES134272A1 - A process for the manufacture of a liquid air or liquid oxygen cartridge casing. : en es
  • US1968743A - Portable irrigation headgate and dam : en
  • DE600879C - Process for the production of plaster of paris for dressing purposes : de en
  • DE600958C - Anti-skid device for motor vehicles : de en
  • GB414319A - Improvements in photographic objectives having an iris diaphragm : en
  • GB414360A - Card dealing device : en
  • US1968294A - Guard rail : en
  • US1968335A - Radio receiving apparatus : en
  • FR768312A - Improvements to electric motors, in particular to those for driving fans : en fr
  • SU37861A1 - Conveyor : en ru
  • US1968696A - Wash rag or pad : en
  • US1968074A - Process of preparing resin solutions : en
  • US1968668A - Shoe bottom filling material and method of making the same : en
  • SU37855A1 - Profile Ruler : en ru
  • DE600890C - Envelope or Similar Sleeves and Method of Manufacture : de en
  • DE600821C - Gas-tight closing device for a housing that accommodates a plurality of electrical collector vessels or runners : de en
  • GB414261A - Current transformer of coil type : en
  • GB414647A - Improvements in and relating to electrical relay systems : en
  • DE600836C - Barrel weight type scales with security printer : de en
  • DE600984C - Rail fastening on iron base plates with conical flanges : de en
  • IE13149L - Disinfecting device : en
  • DE600829C - Component for furniture, doors, windows, etc. like : de en
  • CH170841A - Process for the impregnation of electrotechnical products. : de en
  • DE600849C - Changeable pencil : de en
  • DK49063C - Squeezing chamber. : da en
  • DK49060C - Device for coat hangers for mounting on bicycles. : da en
  • US1968313A - Automatic train pipe connecter : en
  • US1968084A - Cushioning panel : en
  • GB414347A - An improved manufacture of acetylene and organic compounds therefrom : en
  • GB414300A - Improvements in means for mounting guns on aircraft engines : en
  • FR768302A - Variable pitch propeller in flight : en fr
  • FR768007A - Hearth plate : en fr
  • FR768071A - Articulated shield for the construction of curved tunnel linings for tunnels, sewers and the like : en fr
  • ES134322A1 - An arrangement or electrical circuit of time. : en es
  • FR768174A - Carburetor automatic altimeter adjustment device : en fr
  • GB414188A - Improvements in door and gate holders and other catches of a like kind : en
  • FR768282A - Dyeing of vegetable fibers : en fr
  • FR768052A - Production of tri-ring diphenyl compounds : en fr
  • FR768362A - Mechanical device for orienting the headlights of motor vehicles and preventing dazzling of vehicles traveling in the opposite direction : en fr
  • BE403913A - : en
  • CA343619A - Tuning mechanism : en fr
  • CH170898A - Tube. : de en
  • FR768328A - Deferred arming fuze, able to operate by pushing in and by inertia : en fr
  • US1968431A - Ventilator : en
  • SU37901A1 - Centrifugal friction coefficient meter : en ru
  • US1968047A - Heel and method of making the same : en
  • US1968642A - Fuse : en
  • SU37930A1 - Adaptation to sheaves for descent of sheaves to the ground with trapping of showered grain : en ru
  • US1968289A - Method of and apparatus for collecting and padding steel wool : en
  • US1968324A - Lid type locking cap : en
  • US1968801A - Positive drive differential : en
  • CH170848A - Method and device for isolating power supplies from control currents of non-network frequency in remote control systems. : de en
  • DE600996C - Reverberation-absorbing wall cladding : de en
  • DE600714C - Arrangement for generating an emanation gas mixture from liquids : de en
  • GB414201A - Improvements in hot cathode discharge tubes : en
  • DE600847C - Safety device on doors u. Like. For holding thieves and burglars : de en
  • FR768153A - Fixing the bung ring on the iron drums : en fr
  • FR768148A - Multi-pocket ice cream cone : en fr
  • CA343652A - Sulphur dioxide : en fr
  • US1968270A - Container : en
  • US1968499A - Control mechanism for coin-operated phonograph-radio combination : en
  • US1968619A - Electrical switch gear : en
  • USD92884S - Design fob a housing for a permanent : en
  • CA343599A - Electric percolator : en fr
  • ES134569A3 - A procedure for manufacturing razors. : en es
  • GB414320A - Improvements in chain grate stoker installations : en
  • US1968180A - Screw press : en
  • SU37764A1 - Transposition method of power transmission system : en ru
  • US1968285A - Doorlatch : en
  • US1968730A - Weir : en
  • CH170732A - Method of making painter's brushes and paint brushes. : de en
  • CH170770A - Process for the manufacture of a colored product that can be used as a shoe polish and floor polish. : de en
  • FR768349A - Improvements to vehicle covers : en fr
  • SU37972A1 - Pa lnik : en ru
  • US1968519A - Stiffener for collars : en
  • FR768021A - Device for polishing strings and cords made of hard fibers, in particular sisal hemp : en fr
  • GB414282A - Improvements in and relating to tobacco feeding means for cigarette making machines : en
  • GB414096A - Improvements in visible warning signals : en
  • GB414207A - Improvements in and relating to the manufacture of candles : en
  • GB414262A - Improvements in scrapers for bands with a sensitive surface : en
  • SU37956A1 - Electrolytic chrome plating method : en ru
  • SU37958A1 - The method of obtaining relief images on the surface of polished metals : en ru
  • US1968189A - Tile panel fabricating mold : en
  • US1968580A - Hand luggage : en
  • SU37948A1 - Automatic ignition device in internal combustion engines : en ru
  • SU38010A1 - Automatic pen for pen : en ru
  • SU37692A1 - Glass filter tablet solder stand : en ru
  • SU38021A1 - Reel : en ru
  • US1968703A - Core molding apparatus : en
  • US1968746A - Preparing tar for use on roads : en
  • CH170786A - Booking device. : de en
  • SU37989A1 - Continuous motion film projector : en ru
  • DK49055C - Loose burner device for gas hobs. : da en
  • CA343491A - Electrical heating system : en fr
  • US1968334A - Water film precipitator : en
  • DE600964C - Control device for electrically driven weirs with an automatic control device controlled by the movements of the water level and the closure body to maintain the same flow rates : de en
  • FR768271A - Container for dispensing substances and in particular pasty substances : en fr
  • FR768388A - Distributor or regulator device activated by gas pressure differences for gas-heated installations : en fr
  • CA343489A - Finely divided metal compound : en fr
  • CA343578A - Vinyl derivative polymerization : en fr
  • SU37983A1 - A method of making paper of Japanese type. : en ru
  • CH170913A - Process for the preparation of an azo dye. : de en
  • ES134561A1 - Improvements in the mechanisms to intermittently activate an organ or element. : en es
  • SU37968A1 - Pipe bending method : en ru
  • US1968540A - Method of balancing propeller blades : en
  • SU37672A1 - Press with turret for making small rivets, contacts, etc. : en ru
  • FR768171A - Electric discharge tube comprising a cathode and one or more grids : en fr
  • CH170743A - Iron. : de en
  • ES1738Y - Typed tape container. : en es
  • FR768313A - Improvements in the making of slide rules : en fr
  • GB414329A - Improvements in or relating to blade skates : en
  • FR768141A - Connection by hollow rivets, in particular for aircraft with hollow rivets open at both ends : en fr
  • FR768142A - Process for the preparation of alkylated derivatives of ammonia : en fr
  • GB414285A - Pigment purification : en
  • DE600973C - Blind stitch pricking device for attachment to sewing machines : de en
  • USD92893S - Design for a water cooler : en
  • GB414721A - Improvements in apparatus for automatically indicating and controlling or regulatingthe humidity or degree of moisture in the atmosphere of rooms or enclosed spaces : en
  • US1968399A - Rack : en
  • SU37837A1 - A table to the coil system of the White system for receiving blanks : en ru
  • SU37875A1 - Automatic Scales : en ru
  • SU37841A1 - Conveyor device for glueing soles, insoles and other shoe parts : en ru
  • GB414301A - Improvements in or relating to impulse transmitting arrangements for use in telephone systems : en
  • FR768027A - Improvements to electrical switches : en fr
  • FR768154A - Discharge tube : en fr
  • US1968645A - Bending device for metallic tubes and the like : en
  • DK49075C - Rotary pump, especially for viscous Material. : da en
  • FR768036A - Automatic Telephone Call Dial Recorder : en fr
  • CH170910A - Device for pneumatic milking of cows. : de en
  • FR768074A - Combination luminous advertising device : en fr
  • CH170895A - Case with subscription included. : de en
  • BE403708A - : en fr
  • SU37883A1 - Photo phonograph : en ru
  • US1968247A - Metallic window construction : en
  • US1968306A - Garment hanger forming machine : en
  • US1968312A - Air cleaner and silencer : en
  • USD92918S - Design fob a golf tee : en
  • BE403949A - Improvements to infusion machines : en fr
  • CH170740A - Device for driving a loom. : en fr
  • CA343645A - Rotary pump : en fr
  • CH170857A - Device for coupling an alternating current network of a given frequency with an alternating current network of lower frequency. : de en
  • CH170804A - Pull winding and setting mechanism. : en fr
  • DE600824C - Process for making a soap : de en
  • GB414278A - Improvements in and relating to light flashing apparatus using electric discharge lamps : en
  • SU37821A1 - Transforming chair : en ru
  • US1968067A - Alloy and method of making same : en
  • CH170725A - Cover, especially for flower pots. : de en
  • FR768082A - Snap-type safety closure for small valuables bags, letter envelopes and the like : en fr
  • GB414270A - Improved ventilator fitting : en
  • DE600877C - Method and device for the production of ribbed knitted fabric with reinforcements : de en
  • SU37759A1 - A device for switching on and off at a distance of individual sections of the telegraph line : en ru
  • US1968151A - New hydroxylated derivatives of paraffins : en
  • US1968347A - Ochsenbein : en
  • DE600786C - Elevator device for gradually swiveling up the cutting mechanism of mowing machines : de en
  • DE600815C - Dust collector : de en
  • ES2250Y - Grid applicable to machines for the preparation of the filament of textile fibers. : en es
  • FR768222A - Production of uniform sheets of fibrous pulp : en fr
  • GB414233A - Rubber hose : en
  • CA343543A - Sash guide : en fr
  • CH170921A - Process for the preparation of an azo dye. : de en
  • GB414276A - Improvements in or relating to machines for setting projectile fuzes : en
  • US1968305A - Discharging mechanism on forming machines : en
  • US1968295A - Bottle crate : en
  • US1968069A - Method of making clad metals : en
  • US1968381A - Hair drying apparatus : en
  • USD92921S - Design for a lamp : en
  • CA343605A - Cam cutting machine : en fr
  • CH170768A - Process for the preparation of a substantive copper-containing azo dye. : de en
  • DE560148C - Umbrella and parasol with a stretchable cover : de en
  • FR768034A - Improvements in processes and apparatus for the treatment of waste water, refuse and other similar wastes : en fr
  • SU37693A1 - Method of making filtering surfaces : en ru
  • SU37786A1 - Bubble Crushing Device : en ru
  • US1968131A - Liquid separating device : en
  • USD92938S - Design for a tire : en
  • AU1396233A - Electric elevator systems : en
  • CA343636A - Draft yoke : en fr
  • GB414182A - Improvements in electrostatic precipitating plant : en
  • US1968556A - Compass : en
  • USD92892S - Design for a water cooler : en
  • GB414299A - Improvements in or relating to pest destroying agents : en
  • DE600732C - Hollow block : de en
  • FR768137A - Road treading machine : en fr
  • FR768232A - A method and apparatus for producing in a washing or extracting operation intimate contact between immiscible or at least incompletely miscible fluids : en fr
  • FR768346A - Advanced casing for liquid air or liquid oxygen cartridges : en fr
  • FR768357A - Support sleeve for accumulator plates : en fr
  • GB414200A - Amplification of the volume of sound obtainable from guitars and mandolins, and mondolas and kindred instruments : en
  • US1968598A - Concrete pressure pipe : en
  • US1968652A - Control for draft regulators : en
  • FR768041A - Assembly of parts, in particular for spark plugs : en fr
  • FR768190A - Loose-leaf binding mechanism : en fr
  • ES134546A1 - Manufacturing procedure for ampoules called thermos. : en es
  • US1968194A - Thermostatic control : en
  • SU38018A1 - Sound source : en ru
  • US1968226A - Vending machine : en
  • FR768237A - Method and apparatus for electrically engraving, marking or welding metal articles and the like : en fr
  • US1968558A - Dictating machine : en
  • FR768009A - Product to prevent punctures and bursts of tires : en fr
  • FR768068A - Safety bag alarm device : en fr
  • DE600735C - Device for adjusting two-part, swingably suspended concave : de en
  • ES134572A3 - A mechanical process for the manufacture of metal plate link chains. : en es
  • GB414382A - Improvements in wireless and like signalling apparatus : en
  • FR768156A - Process for the manufacture of artificial marble and similar products : en fr
  • FR768324A - Circuit breaker switch : en fr
  • US1968382A - Wind tunnel : en
  • CA343545A - Aluminium base alloy : en fr
  • FR768209A - Improvements to conveyor furnaces for sheet heating : en fr
  • DE600894C - Insole with ventilation device : de en
  • GB414417A - Improvements in or relating to wet filters for air or other gas : en
  • GB414676A - Improvements in or relating to hair curling apparatus : en
  • DE600846C - Machine installation with fluid transmission gears or fluid couplings in connection with pumps for the operations of the coupling fluid, especially for ships : de en
  • DE600889C - Method and device for inserting a tear thread into envelopes : de en
  • FR768051A - Plastic material and manufacturing processes of this rubber : en fr
  • FR768266A - Luminescent tube signaling devices for use in aviation : en fr
  • SU37957A1 - Bath for electroplating : en ru
  • US1968396A - Sprinkling device : en
  • US1968759A - Display device : en
  • FR768064A - Advanced Loose-Leaf Ring Binder : en fr
  • GB414267A - Improvements in or relating to slag wool : en
  • SU37712A1 - Printed form for single-color multicolor printing : en ru
  • US1968561A - Igniter for gas burners : en
  • CH170756A - Method of preheating mash. : de en
  • GB414286A - Improvements relating to alkaline electric accumulators of the nickel-iron type : en
  • US1968351A - Heating apparatus : en
  • US1968239A - Art of dewaxing hydrocarbon oils : en
  • ES134330A1 - An improvement in the construction procedures of raincoats. : en es
  • GB414324A - Improvements in supplementary instruments for examining suspended drops by means of the usual microscopes : en
  • US1968546A - Audio frequency distribution system : en
  • US1968623A - Automotive vehicle : en
  • SU37787A1 - Method for the preparation of fats with a specific melting point and texture : en ru
  • US1968059A - Adjustable stop device : en
  • US1968581A - Combined fluid fuel burning heater and incinerator : en
  • FR768060A - Rotor machine : en fr
  • GB414141A - Improvements relating to supporting brackets and other fittings for curtain rails : en
  • GB414129A - Improvements in and relating to garment suspenders : en
  • SU37859A1 - Device for sorting sewing reels : en ru
  • US1968192A - Combined front and winker stay : en
  • DE600864C - Candle saver : de en
  • FR768054A - Fixed device for bringing liquids and gases into contact, particularly for the purification of combustible gases : en fr
  • AU1536033A - Improvements in or relating tothe manufacture of deposited rubber articles : en
  • US1968230A - Instrumentality for the treatment of piles : en
  • FR768204A - Coupling between two shafts for motor vehicles : en fr
  • FR768284A - Photometer to determine the optimum exposure time in photography : en fr
  • GB414206A - Improvements in or relating to drawing pencil-holders for thin flat leads : en
  • US1968654A - Refrigerator : en
  • GB414311A - Improvements in or relating to combing machines : en
  • US1968277A - Stoker construction : en
  • US1968014A - Centrifugal honey extractor : en
  • US1968136A - Disinfecting : en
  • US1968735A - Spark plug : en
  • ES133768A1 - Improvements in the construction of scales for ships. : en es
  • USD92881S - Design fob a bubial vault : en
  • US1968300A - Method of manufacturing aromatic carboxylic acids : en
  • FR768150A - Receiving method and device, in particular for television : en fr
  • SU37819A1 - Drum for rolling glass in glassblowing machines of conveyor type : en ru
  • US1968309A - Fence post : en
  • SU37771A1 - Electric lamp : en ru
  • DE600758C - Round shaped steel for metalworking by turning u. a. with the cutting part divided in the circumferential direction : de en
  • FR768029A - General cinematographic shooting technique : en fr
  • FR768375A - Method and device for intermittent absorption refrigeration : en fr
  • GB414269A - Improved means for supplying steam to internal combustion engines : en
  • FR768166A - Production of liquid hydrocarbons suitable as gasoline for automobiles : en fr
  • FR768321A - Special electric switch for billiards : en fr
  • GB414406A - Improvements in or relating to reciprocating pumps for the delivery of liquid : en
  • GB414331A - Improvements in or relating to metal cutting broaches : en
  • DE600785C - Tube spring for pressure gauge : de en
  • DE600915C - Cross knife for meat wolves : de en
  • CH170940A - Time-setting mechanism for a timepiece. : en fr
  • CA343569A - Cellulose derivative article production : en fr
  • DE600749C - Circuit arrangement for dismantling lighting : de en
  • SU37824A1 - Device for cleaning fish carcasses from scales : en ru
  • US1968119A - Ventilating system : en
  • US1968738A - Duplicating machine : en
  • US1968051A - Shockproof x-ray apparatus : en
  • US1968178A - Acid wool dyestuff of the anthraquinone series and process of making same : en
  • US1968041A - Apparatus for textile operations : en
  • US1968262A - Method and device for hair dressing : en
  • SU37675A1 - Device for milling holes in the ears of needles : en ru
  • SU37780A1 - Device for the release of carbon black : en ru
  • SU37974A1 - Device for cutting pique to openwork machines : en ru
  • US1968030A - Automatic gearless transmission : en
  • US1968037A - Display means and method : en
  • US1968104A - Amplifying system : en
  • US1968377A - Blowing device for rock drills : en
  • SU37959A1 - A device for mechanically moving the upper slide of the turning lathe : en ru
  • SU38015A1 - Stamping Machine : en ru
  • US1968523A - Automatic bottle filling mechanism : en
  • CH170797A - Device for keeping the current of a circuit to be monitored constant, specifically for measuring purposes. : de en
  • CH170767A - Process for the preparation of a copper-containing azo dye. : de en
  • GB414211A - Improvements in or relating to austenitic corrosion-resisting alloys : en
  • CA343646A - Electric timing mechanism : en fr
  • CH170741A - Attachment of water motors to washing machines. : de en
  • FR768361A - fuel saver-diffuser for internal combustion engines : en fr
  • GB414342A - Improvements in and relating to developing tanks for photographic films : en
  • DE600698C - Equipment for the production of rigid shoe caps : de en
  • DE600730C - Iron bed frame : de en
  • US1968145A - Process and device for printing multicolor partial pictures on lenticular films : en
  • US1968470A - Power transmission for internal combustion engines : en
  • FR768164A - Improvements made to constructions such as retaining walls, quay walls, etc., in particular those in reinforced concrete : en fr
  • GB414113A - Improvements in or relating to the starting and control of internal combustion engines : en
  • SU37923A1 - Landing machine : en ru
  • FR768084A - Shoe display racks : en fr
  • FR768122A - Process for hardening castings : en fr
  • FR768005A - Lids for boxes and containers of all kinds, in particular for tins : en fr
  • DE600826C - Storage pendulum for the rear end of a traveling grate : de en
  • FR768187A - Processes for improving the construction of roads and other similar surfaces : en fr
  • FR768322A - Improvements in the balancing of telephone cable circuits : en fr
  • SU37756A1 - Device for connecting electric drives : en ru
  • SU37810A1 - Reinforcement bath reinforcement method : en ru
  • SU37742A1 - Automatic Telegraph : en ru
  • SU37840A1 - Tool for removing chips when drilling : en ru
  • US1968144A - Skating rink : en
  • US1968784A - Artificial stone floor and method of making it : en
  • SU37917A1 - Rotator with rotating tools : en ru
  • DE600644C - Circular knitting machine for the production of reversible clad knitwear : de en
  • CH170748A - Buckle for the detachable and adjustable connection of overlapping pieces of clothing. : de en
  • DE600882C - Ring balance for flow measurement with automatic correction of the measurement according to the condition of the medium : de en
  • GB414352A - Electrical musical instrument : en
  • SU37940A1 - Adaptation to artificial honeycombs to prevent bees from sticking to the bottoms of cells : en ru
  • US1968257A - Portable bench sander : en
  • US1968648A - Sprinkler alarm switch : en
  • US1968013A - Display and dispensing device : en
  • DE600913C - Lubricating press with low pressure piston and connected high pressure cylinder : de en
  • CH170736A - Spinneret for the production of rayon. : de en
  • GB414125A - Apparatus to prevent unauthorised driving of motorcars or other vehicles of transport : en
  • GB414292A - Improvements in or relating to combination locks : en
  • CH170832A - Device for sealing the working chambers in rotary piston machines. : de en
  • DE594932C - Guide and transport device for frames on shoe sewing machines : de en
  • DE600718C - Arrangement for obtaining emanation : de en
  • DE600951C - Thread brake on shuttles, especially those for shuttle embroidery machines : de en
  • FR768197A - Process for making krypton and xenon from atmospheric air : en fr
  • USRE19261E - Temperature responsive device : en
  • AU1187733A - Improvements in pipe joints : en
  • FR768231A - : fr
  • SU37945A1 - Transmission from piston to shaft of a four-stroke internal combustion engine with variable piston stroke : en ru
  • US1968418A - Manufacture of fiber products : en
  • US1968094A - Microscope : en
  • US1968191A - Smoker's outfit : en
  • SU37878A1 - A method of making gramophone records : en ru
  • US1968319A - Thermostat control of pilot flames : en
  • FR768087A - Time switch : en fr
  • CH170728A - Dust-tight wall connection with tongue and groove. : de en
  • FR768193A - Friction clutches improvements : en fr
  • FR768348A - New explosive with liquid air or liquid oxygen and cartridges with application : en fr
  • FR768382A - Fluid for pressurized fluid apparatus : en fr
  • GB414236A - Water-tight and rustless wristlet watch holder : en
  • FR768145A - Indicating device for remote transmission device : en fr
  • US1968124A - Method and apparatus for corrugating tubes : en
  • US1968237A - Band pass circuit : en
  • DE599314C - Switch with arc extinguishing by flowing compressed gas : de en
  • US1968653A - Electrically operated automatic fuel control device for internal combustion engines : en
  • GB414293A - Manufacture of barbituric acid derivatives : en
  • GB414389A - Improvements in or relating to pistons : en
  • BE403827A - : en fr
  • CH170790A - Elliptical compass. : de en
  • SU37809A1 - The method of obtaining viscose linen : en ru
  • USD92931S - Design fob a hinge for cabinet doors : en
  • DE599703C - Fishing rod with several pieces of pipe that can be attached to one another and plugged into one another : de en
  • GB414280A - Improvements in or relating to electric fires : en
  • FR768176A - Improvements to webs of fabric for conveyors or similar applications : en fr
  • US1968214A - Manifold air heater for automobiles : en
  • SU37892A1 - Nail straightener : en ru
  • US1968197A - Nonsinkable detachable vest : en
  • SU37998A1 - Fire Extinguishing Apparatus : en ru
  • US1968486A - Heating apparatus for indirectly : en
  • USD92880S - Design for a saucepan : en
  • FR768143A - Friction clutches improvements : en fr
  • US1968123A - Calculating machine : en
  • US1968553A - Choker valve means : en
  • US1968792A - Process of manufacturing flanged bodies : en
  • SU37988A1 - Continuous motion film projector with optical alignment : en ru
  • CA343590A - Building block : en fr
  • CA343478A - Shirt collar : en fr
  • CH170729A - Device for dispensing liquid soap, with a tiltable soap container. : de en
  • GB414722A - Improved indiarubber cover for handles : en
  • DE600709C - Train control according to the point system : de en
  • DE600715C - Arrangement for obtaining emanation : de en
  • CA343510A - Artificial silk : en fr
  • FR768289A - Knitted or crocheted article made on a circular loom and comprising a heel and a toe which are reinforced according to the shape of the foot, and the method of manufacture thereof : en fr
  • DE600738C - Diaphragm gas valve : de en
  • FR768130A - Automobile horn activated by exhaust gases : en fr
  • DE600860C - Process for the production of circuit diagrams used for monitoring electrical systems : de en
  • FR768022A - Method and apparatus for high-frequency electrical communication ensuring the secrecy of correspondence and avoiding atmospheric disturbances : en fr
  • FR768147A - Four-speed gearbox and reverse gear for automobiles : en fr
  • DE600700C - Device for discharging light bulk material, in particular tobacco, from a constant suction flow : de en
  • GB414397A - Improvements relating to the automatic actuation of adding machines : en
  • CA343623A - Dyeing machine reel operating mechanism : en fr
  • US1968284A - Fluid controlling valve : en
  • US1968677A - Method and apparatus for dyeing textile materials : en
  • USD92925S - Design for a smock : en
  • US1968127A - Bomb sight : en
  • GB414313A - Machine for washing laundry : en
  • SU38057A1 - Stoneware for potato washers : en ru
  • US1968530A - Electric sweeper : en
  • BE403756R - Electrical apparatus, in particular x-ray apparatus : en fr
  • CH170763A - Process for the production of a nitrogen-containing condensation product. : de en
  • SU37702A1 - Nozzle to the furnaces for burning flotation tailings : en ru
  • SU37898A1 - Lever device for testing building materials : en ru
  • SU37939A1 - Churn : en ru
  • USD92911S - Design fob a bottle : en
  • FR768090A - Process for the treatment of acid tars from the purification of benzol or other liquid hydrocarbons, for the recovery of acidic, resinous and other bodies : en fr
  • US1968752A - Detergent composition : en
  • SU37665A1 - Coal loading machine : en ru
  • US1968661A - Folding display container : en
  • DE600810C - Electric light tube with two electrodes attached to the ends and constant feed of base gases : de en
  • GB414358A - Improvements in or relating to machines for winding wire coils : en
  • GB414184A - Improvements in paper cutting appliances : en
  • US1968112A - Color photography : en
  • AU1624534A - Improvements relating tothe manufacture of upholstery padding : en
  • ES2795U - Folding or bell bed. (Machine-translation by Google Translate, not legally binding) : en es
  • GB414215A - Improvements in and relating to road signs : en
  • GB414740A - Improvements in capsuling bottles and apparatus therefor : en
  • US1968339A - Combination foundation garment : en
  • US1968426A - Shingle unit and roof built therefrom : en
  • US1968731A - Gas burner : en
  • USD92872S - Combined salt anq pepper shaker : en
  • DE600885C - Device for the production of stencils for the adjustment of the cash dispensing devices for wage payment and exchange tills. : de en
  • US1968639A - Motor control system : en
  • DE600318C - Process for etching printing plates which are covered with a developed copy layer : de en
  • FR768131A - Closed circuit hydraulic transmission : en fr
  • FR768253A - Advanced cooling of air-cooled aircraft engines. : en fr
  • DE600897C - Aiming device, especially for anti-aircraft weapons : de en
  • ES134070A1 - A new recess-weight system recessed. : en es
  • US1968361A - Night light transformer : en
  • US1968562A - Female pipe coupling member : en
  • SU37938A1 - Udder wash device : en ru
  • US1968482A - Throttle control for gear shift levers : en
  • US1968663A - Sharpener for meat slicing machines : en
  • US1968058A - Stud driver : en
  • US1968266A - Control device for following mechanisms : en
  • DE600728C - Anchoring pin for artificial teeth : de en
  • DE600775C - Method for modulating wireless transmitters according to : de en
  • DE600822C - Manufacture of commutator segments by cutting out a continuous double strip of copper : de en
  • FR768219A - Improvements to pasteurizing devices : en fr
  • FR768398A - Apparatus for detecting gas leaks in underground pipelines : en fr
  • SU37753A1 - Enamel coating method of electrical resistance : en ru
  • USD92894S - Design for a back bab super : en
  • DE600403C - Method for modulating transmitters with a carrier frequency amplitude that fluctuates as a function of the modulation strength : de en
  • SU38061A1 - Apparatus for controlling the crystallization of solutions : en ru
  • US1968507A - Refrigerating system for ice cream freezers : en
  • DE600723C - Chimney slide : de en
  • DE600945C - Optical elements made from organic substances : de en
  • DE600977C - The use of discharge vessels to generate or amplify electrical vibrations to excite underwater sound transmitters : de en
  • SU37827A1 - Lift : en ru
  • DE600712C - Arrangement for constant current regulation in an alternating current circuit : de en
  • FR768110A - Brush intended in particular for cleaning typewriter characters : en fr
  • GB414249A - Method of and arrangement for obtaining the delayed initiation of occurrences in circuits for cathode ray tubes : en
  • CA343495A - Transfer sheet : en fr
  • CA343562A - Drill bit : en fr
  • DE600881C - Protractor for checking the rake angle on thread cutting dies : de en
  • DE600923C - Process for the production of basic esters of tropic acid : de en
  • US1968585A - Brake mechanism : en
  • FR768125A - Device for dispensing and testing electric batteries : en fr
  • SU37687A1 - Device for dry distillation of birch bark : en ru
  • CA343533A - Portable burning and heating apparatus : en fr
  • FR768093A - Process for the manufacture of chlorinated indanthrones : en fr
  • FR768149A - Burner for liquid fuels : en fr
  • FR768167A - Improvements to hydration or dehydration reactions : en fr
  • FR768280A - Magnet for signaling the passage of the tail of a train : en fr
  • GB414378A - Improvements in or relating to aircraft : en
  • FR768379A - Smoke extractor : en fr
  • SU37710A1 - Water tube boiler with three drums connected to each other by curved tubes : en ru
  • FR768162A - Coupling of pipes with self-sealing flanges, clamps, etc. : en fr
  • FR768256A - Steels dephosphorization process : en fr
  • FR768293A - Device for coating the interior of tubular hollow bodies with viscous or bituminous substances : en fr
  • ES2789U - A sealing device for liquid containers (Machine-translation by Google Translate, not legally binding) : en es
  • FR768107A - Improvements to dust extraction devices : en fr
  • FR768345A - Improvements to starting devices for asynchronous motors : en fr
  • GB414674A - Improvements in or relating to the control of atmospheric temperature produced by steam heating systems : en
  • US1968716A - Suction producing pump : en
  • SU37661A1 - Device for turning and lifting a drill during manual percussion drilling of holes : en ru
  • US1968413A - Zinc distillation plant : en
  • SU37668A1 - Method of making compressed yeast : en ru
  • US1968022A - Lubrication : en
  • CH170706A - Floor covering made of rubber with underlay insulating against noise and cold. : de en
  • AU1314333A - Coated steel article and method of making thesame : en
  • CH170920A - Process for the preparation of an azo dye. : de en
  • CH170716A - Cement kiln. : de en
  • DE600891C - Clamping device for cardboard calender : de en
  • DE600917C - Call waiting machine : de en
  • US1968087A - Automatic telephone system : en
  • SU37980A1 - Machine for breaking pulp rollers, wood pulp and similar materials : en ru
  • US1968157A - Process of purifying viscose solutions : en
  • US1968422A - Multiple control valve : en
  • CH170853A - Indirectly heated cathode in a Braun tube. : de en
  • SU37689A1 - Allyl alcohol dehydration : en ru
  • SU37700A1 - Autoclave for smelting sulfur from its ores : en ru
  • US1968647A - Electric switch : en
  • SU37924A1 - Adaptation to planting machines for feeding seedlings : en ru
  • US1968670A - Method of and apparatus for rolling rods : en
  • USD92913S - Design for a mail box pedestal : en
  • FR768285A - Method and apparatus for bleaching textile materials : en fr
  • US1968107A - Mining machine : en
  • GB414338A - Improvements in brake mechanism : en
  • US1968292A - Printing machine : en
  • SU38049A1 - Apparatus for electroosmotic water purification : en ru
  • US1968535A - Process and apparatus for making building strips : en
  • US1968340A - Scythe : en
  • US1968610A - Thermionic amplifying system : en
  • US1968720A - Convertible tennis net mounting : en
  • USD92898S - Design for a bedstead : en
  • CH170764A - Process for producing a diazo compound in solid form. : de en
  • DE600840C - Apparatus for collecting radio fees : de en
  • FR768372A - High strength brasses and their manufacturing process : en fr
  • USD92904S - Design for a front for traveung : en
  • GB414180A - Improvements relating to means for adjustably supporting shelves : en
  • GB414191A - Improved manufacture of armoured thread, cord and the like : en
  • SU37746A1 - Generator device : en ru
  • US1968416A - Car support for automobile hoists : en
  • US1968248A - Amplifier tube : en
  • US1968373A - Swivel trolley conveyer : en
  • SU37697A1 - Autoclave : en ru
  • US1968254A - Prepared nut and process of preparing same : en
  • US1968430A - Book and method of binding : en
  • US1968221A - Quick attachable button : en
  • DE600697C - Pressure regulator for hydraulic presses with direct pump drive : de en
  • FR768421A - : fr
  • US1968271A - Locker : en
  • US1968472A - Knife sharpening device : en
  • US1968505A - Safety shutter or guard attachment for clothes wringers : en
  • US1968726A - Electric ignition and battery lock : en
  • CH170872A - Metal body that can be used in particular for dental purposes. : de en
  • DE600874C - Control valve for compressed air brake devices : de en
  • FR768002A - New two-stroke variable-chamber diesel rotary engine : en fr
  • FR768276A - Automatic firearm : en fr
  • FR768380A - Vehicle wheel rim : en fr
  • US1968210A - Brake for winding drums : en
  • USD92885S - Design for a bottle cap : en
  • SU37682A1 - Device for measuring and cutting mite into segments of a given length : en ru
  • US1968307A - Feeding and clamping mechanism : en
  • CH170802A - Device determining, in a clockwork movement, the effective lengths of the hairspring during the oscillation of the balance. : en fr
  • GB414161A - Improvements in travelling hoisting and handling apparatus of the telescopic column type : en
  • GB414189A - Improvements relating to combined storage and shelter structures : en
  • DK49050C - Close to Bottles or similar. : da en
  • FR768020A - Ruler fixing device : en fr
  • GB414128A - Improvements in and relating to mechanism for operating traverse rods on silk and like spinning and winding machinery : en
  • FR768170A - : fr
  • GB414317A - Improvements in or relating to joints for artificial limbs : en
  • GB414409A - Improvements in machines or apparatus for filling bottles or the like with liquids : en
  • SU37727A1 - Heat quenching wool : en ru
  • US1968772A - Radio apparatus : en
  • CH170923A - Process for the preparation of an azo dye. : de en
  • ES2778U - Compresses natural or synthetic silt, peat, mud or schlamm. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768080A - Chevron slab for paving and coverings : en fr
  • FR768138A - Mixed gasifier (heavy oil and carbon), for all internal combustion engines : en fr
  • FR768259A - Electric delayed action primer for mine cartridges : en fr
  • FR768386A - Prepayment device intended for playing boules in a limited space : en fr
  • SU37830A1 - Flat jumper : en ru
  • US1968518A - Method and apparatus for liquefying and separating gaseous mixtures : en
  • CH170933A - Process for the preparation of a 1-oxyalkylamino-4-arylaminoanthraquinone. : de en
  • AU1598234A - Process forthe production of carbon metals and alloys with very small contents of carbon : en
  • CH170828A - Fluid change gear that can also be used as a clutch. : de en
  • US1968428A - Combination safety shade holder and guide : en
  • CA343632A - Abrasive device : en fr
  • GB414178A - Improvements in and relating to golf bags : en
  • US1968631A - Front spring for an automobile : en
  • AU1353833A - An improved source of illumination : en
  • US1968425A - Shortening cutter or whip : en
  • CA343499A - Piston : en fr
  • US1968228A - Roof and method of laying same : en
  • SU37749A1 - Square antenna : en ru
  • US1968591A - Brake and starter control mechanism : en
  • SU37647A1 - The way the lobes of the spinning plants : en ru
  • CH170830A - Extrusion press for pressing profile strands from plastic masses. : de en
  • FR768353A - Fabric with long, unwrapped loops and loom for its manufacture : en fr
  • CH170705A - No threshold door. : de en
  • CH170829A - Grease gun. : en fr
  • FR768274A - Process for the manufacture of tiles, slabs and similar products from clay, earthenware and similar materials : en fr
  • FR768288A - Automatic extinguishing system for fires occurring in any premises : en fr
  • GB414259A - Diesel-motor driven rail guided vehicles : en
  • DE600908C - Indirect control for electric vehicles with the help of an automatically controlled shift drum : de en
  • US1968152A - Process for accelerating the hardening of hydraulic binding means : en
  • SU37699A1 - The method of obtaining sulfur from pyrite and similar materials : en ru
  • SU37822A1 - Conveyor device for serving public canteens : en ru
  • SU38047A1 - Method for reducing backpressure of seepage water and increasing dam stability : en ru
  • SU37653A1 - A lot of Russian bakery oven : en ru
  • US1968363A - Skylight bar : en
  • DE600788C - Device for the sifting of powdery material : de en
  • GB414095A - A machine for washing bottles : en
  • CA343517A - Package for stockings : en fr
  • US1968040A - Support : en
  • FR768097A - Lockable liquor cabinet : en fr
  • FR768099A - Method and devices for mechanical recording of oscillations, in particular sound oscillations : en fr
  • FR768273A - Electron tube : en fr
  • DE599316C - Device on high voltage fuses with main and secondary fusible conductors to identify blown fuses : de en
  • GB414226A - Boring machine : en
  • SU38035A1 - Adaptation for internal rolling in sleeves : en ru
  • US1968172A - Banding machine : en
  • US1968198A - Means for protecting radio receiving sets : en
  • FR768224A - Oil vapor burner : en fr
  • FR768272A - : fr
  • SU37933A1 - Grain sorting machine, especially legumes : en ru
  • US1968357A - Hose and plant protector : en
  • US1968512A - Process for purifying liquids : en
  • US1968664A - Sharpener for slicing machines : en
  • DE600833C - Piston measuring device with horizontally arranged cylinder and piston driven back and forth by the liquid, which is designed to be emptied for the purpose of being able to be used for different types of fluids : de en
  • DE600932C - Method for the simultaneous remote transmission of several signals with high frequency : de en
  • DE600595C - Drive for a lifting platform : de en
  • DE600751C - Tank for underwater sound receivers : de en
  • FR768217A - Tuna liver oil purification process : en fr
  • ES2783U - Compressible tube intended to contain a pasty substance and whose orifice is covered by a mobile cap. (Machine-translation by Google Translate, not legally binding) : en es
  • SU37880A1 - The way to deal with noise and increase the range of loudness of sound recorded on the film in an intensive way : en ru
  • US1968434A - Car seat : en
  • DE600853C - Lifting bell for flushing tanks : de en
  • FR768111A - Nest trap : en fr
  • US1968770A - Feed-back oscillator using ionizing tube : en
  • ES131438A1 - Improvements in the manufacture of devices for drying hair, particularly wavy hair to water. : en es
  • FR768332A - Device for automatic braking and stopping of a wiring machine : en fr
  • GB414160A - Improvements in the manufacture and production of chrome pigments : en
  • ES2781U - Parachute rigging. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768252A - Improvements to marking-gumming machines : en fr
  • US1968436A - Air filter : en
  • US1968510A - Window screen : en
  • DE600925C - Device for electrical heating and quenching of ice skates : de en
  • DE600895C - Two-part joint strips : de en
  • ES2788U - A new rubber boot to hold liquids (Machine-translation by Google Translate, not legally binding) : en es
  • ES134524A1 - An improved process for the production of potassium sulphate. : en es
  • SU37660A1 - Long stroke pumping unit for well operation : en ru
  • US1968169A - Means for producing a phase modulated wave : en
  • US1968261A - Hair dressing device : en
  • US1968476A - Focusing means for cameras : en
  • US1968705A - Radial coupler mechanism : en
  • SU37912A1 - Tool to prevent errors in the operation of the apparatus for the paper money account : en ru
  • US1968017A - Lubricating apparatus : en
  • US1968481A - Draft and buffing gear : en
  • FR768365A - Improvement brought to buffers for hearth plates : en fr
  • FR768076A - Leaf capacitor, and particularly rotating capacitor : en fr
  • USD92891S - Design fob a slicing machine : en
  • GB414302A - Improvements in coin-freed vending apparatus : en