• PL22917B1 - KL 3 L, 3/01. Zipper closure. : en pl
  • SU46708A1 - Method of measuring road surface roughness : en ru
  • US2039200A - Railway switch : en
  • CH183629A - Process for the production of artificial stone for floor coverings, wall coverings, etc. : de en
  • SU46766A1 - Gearbox : en ru
  • US2038747A - Spray pump : en
  • US2039273A - Collapsible wire bound box : en
  • SU46612A1 - Current amplifier : en ru
  • CA357431A - Packing for centrifuges : en fr
  • CH183889A - Process for the preparation of a dye. : de en
  • SU46537A1 - Apparatus for treating gases with high frequency and other discharges : en ru
  • CA357433A - Vulcanizer : en fr
  • CH183655A - Device made of metal to prevent food from burning in normal saucepans during cooking. : de en
  • CH183865A - Process for the preparation of an azo dye. : de en
  • DE629309C - Stand-up collar with additional turn-down corners : de en
  • US2038921A - Semicontinuous self cleaning filter : en
  • USD99449S - Design for textile fabric : en
  • DE629303C - Process for cleaning molten light metals : de en
  • PL22915B1 - A product for rendering cement and lime masses water-resistant. : en pl
  • USD99460S - Design for a lace : en
  • SU46523A1 - Combined Regenerative Coke Furnace : en ru
  • US2039096A - Method of molding battery containers and similar open top receptacles : en
  • CH183697A - Envelope for folds. : en fr
  • PL22926B1 - Solid shaving preparation, which releases oxygen. : en pl
  • USD99443S - Design fob a tumbler and tooth : en
  • DE629379C - Table writing device on typing, booking and similar machines : de en
  • CH183788A - Static grid control arrangement for gas discharge valves. : de en
  • CH183741A - Feed device on automatic lathes. : de en
  • GB446206A - An improved method of producing colour photographs, more particularly cinematograph films : en
  • PL22996B1 - The method of making fireplaces. : en pl
  • SU46706A1 - Rates for mechanical pads in the head of the shaft boot : en ru
  • USD99447S - Design for a pair of spectacles : en
  • SU46508A1 - The method of transportation of coal and similar minerals from cleansing faces : en ru
  • US2038694A - Medicament : en
  • USRE19950E - Method and apparatus fob : en
  • US2038679A - Paper making : en
  • SU46681A1 - Fixture for crucible melting of metals : en ru
  • PL22939B1 - Adjusting device for compressed air operated railway brake valve. : en pl
  • SU46779A1 - Metal Chip Crusher : en ru
  • USD99436S - Design for a handbag : en
  • USPP176P - Poinsettia : en
  • US2038920A - Surface finishing panel : en
  • AU2266235A - Process of manufacture ofa vulcanizing product for addition to latex bath andthe product thereof : en
  • US2039114A - Device for suspending tools : en
  • CH183602A - Scythe holder. : de en
  • SU46716A1 - Device for controlling the movement of a micro-tool micromanipulator : en ru
  • DE629257C - Process for the preparation of aminotrifluoromethylarylsulfonic acids : de en
  • DE629371C - Horizontal large chamber furnace for smoldering coal : de en
  • SU46630A1 - Cathodic Oscilloscope : en ru
  • DE629275C - Vacuum cleaner mouthpiece : de en
  • DE629403C - Footrest for bicycles : de en
  • DE629490C - Damper device at the reversing poles of DC machines with flexible damper plates : de en
  • FR797725A - Mechanical carrier by rack : en fr
  • GB446471A - Improvements in and relating to devices for cleaning foot-wear : en
  • GB446892A - Non-structural activated carbon and process for the production thereof : en
  • BE414645A - : en
  • US2039208A - Drain for automobile windows : en
  • DE629349C - Device for catching, dissolving and immediate reprocessing of the hosed edge strips of the material web on paper machines : de en
  • CH183607A - Method and device for the destruction of insects and microorganisms in lockable rooms by heating the same. : de en
  • FR797426A - A process for creping paper, cardboard, fabrics, metallic sheets or films or synthetic substances, etc. and apparatus allowing the implementation of this method : en fr
  • PL22977B1 - A ring securing the wheels from sliding off the axle or from the shafts, especially the wheels of vehicles running on rails. : en pl
  • AU2415735A - Improved process for activating mercury employed inthe amalgamation method of recovering gold andother metals : en
  • PL22921B1 - A method of producing a non-toxic fluorescent gas that complies with established standards from flammable gases containing carbon monoxide. : en pl
  • US2038588A - Hydraulic check : en
  • GB446500A - Manufacture of dyestuffs of the anthraquinone-oxazole series, capable of being chromed : en
  • US2038953A - Lead pencil : en
  • PL22903B1 - Apparatus for supplying paper and the like in packaging machines, printing machines and the like. : en pl
  • SU46567A1 - Method for continuous chlorination of benzene : en ru
  • DE1372209U - : de en
  • CH183840A - Vehicle for transporting liquids or solid bulk goods, in particular for use as a trailer. : de en
  • US2038777A - Manometer : en
  • US2038807A - Water heater : en
  • US2039177A - Clean-out pump for dental handpieces : en
  • US2038562A - Process for the preparation of a mixture of oxygen and ammonia gases : en
  • US2038540A - Egg treatment process and product : en
  • PL22933B1 - Method for producing dihydromorphinones. : en pl
  • US2038520A - Portable motion picture projector : en
  • GB446268A - Improvements relating to apparatus for the removal of solid or liquid matter from gases or vapours : en
  • PL23038B1 - A method of making asbestos-cement strands fitted with a woven or braided metal wire or similar material. : en pl
  • SU46695A1 - The method of extraction of rubber from aqueous suspensions : en ru
  • US2039149A - One-way clutch : en
  • US2038647A - Signaling system : en
  • US2038730A - Radio receiver : en
  • US2039225A - Clasp : en
  • FR797485A - Bath for electroplating metals on any conductive surfaces : en fr
  • GB446324A - Improvements in or relating to the handles of cricket bats, hockey sticks, and other similar implements : en
  • US2039230A - Illumination control device : en
  • GB446736A - Method of and apparatus for regulating the temperature of electrically heated apparatus : en
  • CA357482A - Pharmaceutical product : en fr
  • SU46563A1 - Method for producing alumina hydrate : en ru
  • SU46622A1 - Device for centralized control of mechanisms, for example, conveyors : en ru
  • US2038659A - Combination clothes and dust chute : en
  • US2038928A - Fluid pressure gauge : en
  • US2039099A - Fluid flow control : en
  • CA357441A - Intermittent cutting mechanism : en fr
  • SU46828A1 - Weaver's Observer : en ru
  • US2038990A - Sealing device for refrigerating apparatus : en
  • US2038641A - Spring lifting device : en
  • USD99442S - Design for a bathroom shelf : en
  • GB446339A - Improvements relating to vehicle brakes : en
  • GB446398A - Process for the application of inscriptions, pictures, ornamentations or the like to cakes of soap : en
  • PL22898B1 - A method of producing a chemical washing agent, extraction and dilution. : en pl
  • SU46827A1 - Horizontal sump for water : en ru
  • CH183872A - Process for the preparation of an azo dye. : de en
  • CA357488A - Converter electrode arrangement : en fr
  • CH183698A - Device for the production of box-like objects from a mass which contains fibers suspended in water. : de en
  • US2038693A - Combination tool : en
  • USD99464S - Design fob a glove : en
  • DE629437C - Cantilever track back machine for double excavator tracks : de en
  • FR797435A - Process for the casting of thin-walled foundry parts of non-ferrous metals or alloys of these metals : en fr
  • SU46594A1 - Machine for sampling rock in the tunnel bottom : en ru
  • US2039137A - Hand covering : en
  • US2039046A - Nitration of sugars : en
  • CH183681A - Process for the production of foreign metal-free zinc oxide by processing zinc sludge resulting from the reduction of oxygen-containing sulfur compounds with zinc dust. : de en
  • CH183797A - Equipment for electromedical single and multi-cell baths. : de en
  • DE629376C - Feeding device on folding machines : de en
  • US2039115A - Dust collector : en
  • USD99446S - Design foe an alphabet fob forming : en
  • GB446384A - Improvements in and relating to electric batteries or accumulators, more especially for motor cars : en
  • GB446569A - Improvements relating to steam engine distributing valves and operating mechanism therefor : en
  • GB446580A - The manufacture of polymerisation products : en
  • GB446399A - An improved process for the production of waterproof rubber which is particularly suited for electric cable insulation : en
  • GB446451A - Improvements in direction signals for motor vehicles : en
  • GB446489A - Improvements in sparking plugs : en
  • CH183720A - Method and device for determining the location of faults on electrical lines. : de en
  • PL23006B1 - A method of airing a fermenting liquid to produce pressed yeast. : en pl
  • PL23028B1 - Easily removable cable connection socket for electromagnetic shielded electrical devices. : en pl
  • US2038545A - Sheet metal can : en
  • DE629211C - Arrangement for determining active or reactive current or active or reactive voltage from a given alternating current or from a given alternating voltage : de en
  • DE629295C - Process for the gradual cooling of salt solutions : de en
  • SU46578A1 - The method of separation of wax and waxes from resins : en ru
  • US2039036A - Circuit interrupter : en
  • CA357467A - Lathe : en fr
  • GB446381A - Improvements in printing textile products : en
  • US2039057A - Electric valve circuits : en
  • US2039180A - Massage device : en
  • US2039224A - Gauging machine : en
  • FR797429A - Church candlestick. sanctuary lamp : en fr
  • FR797472A - Method and devices for use by river vessels, as a driving force, of the force of the current : en fr
  • GB446392A - Improvements in colour photography and cinematography : en
  • FR797416A - Educational object in the shape of a construction toy : en fr
  • FR797431A - Process for gasification of fine coal or pulverized coal with circulation gas : en fr
  • FR797464A - Indoor and sports slipper or shoe : en fr
  • GB446494A - Improvements in or relating to the treatment of coal and other solid carbonaceous materials for use in subsequent hydrogenation processes : en
  • FR797618A - Improvements to reinforced concrete floors : en fr
  • US2039143A - Totalizer controlung mechanism : en
  • US2039190A - Apparatus for determining the value of the braking action of the brakes of automobiles : en
  • US2038760A - Sanitary collapsible container : en
  • US2039070A - Treatment of sulphur : en
  • FR797500A - Device for transporting materials in a closed vessel : en fr
  • AU1976434A - Deflecting method for cathode ray tubes : en
  • AU2376335A - An improved gravity roller mill : en
  • SU46606A1 - The way is sewn underground cables from stray currents : en ru
  • US2038761A - Lubricating apparatus : en
  • US2039176A - Process of manufacturing impregnated and/or coated textiles and an apparatus therefor : en
  • US2038529A - Synthetic tanning agent : en
  • US2039083A - Light measuring instrument : en
  • FR797668A - Process for performing deep nitriding, carburizing, boriding, etc., as well as reversible processes : en fr
  • USD99459S - Design for textile fabric : en
  • CA357503A - Twist drill forming machine : en fr
  • FR46302E - Railroad track mounting device : en fr
  • SU46653A1 - The method of preparation of the composition for grinding halite products : en ru
  • US2038644A - Shoe and the manufacture thereof : en
  • US2038899A - Scaffold machine : en
  • DE629449C - Process for the production of organ preparations : de en
  • GB446746A - Process for the manufacture of heavy metal complex compounds of azodyestuffs : en
  • FR797439A - Device for placing in position, in action and out of action, a cylinder of a printing press, in particular of a press for intaglio printing : en fr
  • FR797555A - Fruit juicer : en fr
  • GB446300A - Improvements relating to resilient seats and the like : en
  • GB446410A - Improvements in or relating to electric hot-plates : en
  • GB446531A - Improvements in holders or containers for cutlery and the like : en
  • FR46305E - Suspension and independent wheels for any vehicle, and in particular for automobile chassis : en fr
  • FR797641A - Device for air distribution ducts for controlling start-up valves in multi-cylinder internal combustion engines : en fr
  • FR797744A - Chi-ray machine for performing serial x-rays : en fr
  • US2039065A - Bathroom accessory : en
  • USRE19943E - Combined rectifier and amplifier : en
  • US2038797A - Glass furnace : en
  • US2039145A - Independent screw closure : en
  • GB446366A - Improvements in abrading or surfacing apparatus : en
  • GB446456A - Removable sub frame for motor chassis : en
  • DE629482C - Wheel set, preferably for conveyor wagons : de en
  • US2038888A - Lubricated valve : en
  • GB446209A - Method of covering articles with wrappers : en
  • US2038610A - Roller bearing trailer truck : en
  • US2038696A - Machine for operating upon shoe parts : en
  • US2038906A - Glare shield : en
  • US2038939A - Method of making prune beer : en
  • US2039234A - Respiratory mask : en
  • GB446470A - Improvements in producing tubular hosiery : en
  • DK51568C - Support frame for Hammocks. : da en
  • US2038738A - Electron discharge tube : en
  • US2038949A - Key cutting and duplicating machine : en
  • SU46536A1 - Method of gumming equipment : en ru
  • US2038919A - Tie plate : en
  • US2039262A - Process for the manufacture of threads, strings, bands, films, and the like : en
  • ES4617U - Device for air inlet holes for non-refillable containers of liquids and other applications. (Machine-translation by Google Translate, not legally binding) : en es
  • GB446323A - Improvements relating to collapsible paper containers, particularly for products such as ice cream in bulk : en
  • FR797495A - Self-adjusting vibrating device : en fr
  • GB446480A - Improvements in or relating to electric incandescent lamps for use in mines and like locations : en
  • ES4073Y - Box for containers and transport of bottles. : en es
  • FR797428A - Wagon for the semi-automatic handling of various products such as fresh ceramic products and handling installation comprising such wagons : en fr
  • DE629276C - Device for cleaning floors, ceilings, walls, etc. like : de en
  • GB446222A - Improvements in the manufacture and production of halogenated ethers : en
  • US2038645A - Envelope feed mechanism : en
  • US2039232A - Rectilinear adjustment of machine parts : en
  • CH183686A - Process for the preparation of a disazo dye. : de en
  • US2039087A - Method of and means for melting and refining metals : en
  • SU46533A1 - Defoamer installed in the distillation apparatus : en ru
  • SU46514A1 - Spring coiling machine : en ru
  • SU46836A1 - The device of exhaust channels for suctioning volatile distillation products from the thickness of the coking coal : en ru
  • CH183813A - Adder engagement device for different gaits in cash registers, booking and calculating machines. : de en
  • CH183616A - Process for sealing liquid-permeable material, such as soil layers and other foundation masses, masonry and other stony masses. : de en
  • ES4619U - A perfected metal bed frame (Machine-translation by Google Translate, not legally binding) : en es
  • GB446396A - Anti-corrosive upper cylinder lubricants : en
  • FR797651A - Improvements to dental spittoons : en fr
  • GB446304A - Improvements relating to ice cream refrigerators : en
  • IE14258L - Stopping-place indicators for vehicles : en
  • FR797738A - Improvements made to bowden-type cable devices, more specifically for parachute trigger control : en fr
  • AU2267535A - An improved case or crate for fruit andthe like : en
  • CH183829A - Packaging process and machine for implementing this process. : en fr
  • CH183843A - Winding device for endless vehicle tracks. : en fr
  • SU46774A1 - The method of milling grooves on the cams of self-centering cartridges : en ru
  • CH183666A - Non-woven sheet for all types of cover : de en
  • US2038585A - Milk bottle holder : en
  • PL23029B1 - Can with side openings. : en pl
  • SU46520A1 - Method of dyeing halite : en ru
  • FR797514A - Method for manufacturing shaped objects and objects obtained by means of said method : en fr
  • GB446353A - Improvements in or relating to light shades for use in the illumination of billiard tables and similar purposes : en
  • FR797579A - Device resting on a knitting machine and making it possible to manufacture undeformable knitting : en fr
  • GB446511A - Improvements in or relating to circular knitting machines : en
  • FR46330E - Automatic braking process for wagons in a yard : en fr
  • FR797538A - Filtering device for protection against toxic substances : en fr
  • GB446205A - Improvements in machines for making confections : en
  • GB446463A - Improvements in or relating to hose pipe couplings : en
  • GB446617A - Improvements in the distillation of coal : en
  • USD99448S - Design for a candlestick or : en
  • DE629360C - Compressed air conveyor system for powdery material with a surrounding receptacle : de en
  • FR46313E - Improvements to vacuum devices : en fr
  • GB446478A - Improvements in and relating to cathodes for electric discharge devices : en
  • DE629412C - Bung ring fastening for metal vessels, especially barrels : de en
  • FR797459A - Boiling and absorption vessel for refrigeration machine : en fr
  • GB446469A - Improvements in and relating to self-starting synchronous motor : en
  • SU46521A1 - Combined Regenerative Coke Furnace : en ru
  • SU46725A1 - Yarn Twist Tester : en ru
  • SU46517A1 - Device for adjusting the length of the slit gas burners opalnyh machines : en ru
  • US2039267A - Electrical meter : en
  • FR797625A - Process for maintaining in the dispersed state in mineral oils oil-insoluble substances, in particular with a view to lubrication : en fr
  • FR797694A - Device for charging a capacitor : en fr
  • FR797720A - Process and apparatus for the manufacture by compression of bars, profiled parts, etc., in brass or other alloys : en fr
  • CA357380A - Burglar alarm system : en fr
  • US2038636A - Wood heel concaving machine : en
  • US2039051A - Ignition gauge : en
  • US2038534A - Method of making heels : en
  • DE629363C - Transmitter system : de en
  • GB446508A - Improvements in and relating to harrows : en
  • US2038655A - Meter for granular material : en
  • US2038895A - Knitting apparatus : en
  • US2038580A - Method and apparatus for generating steam : en
  • US2039178A - Method of enameling : en
  • DE629474C - Process for the extraction and separation of physiologically active substances from placenta : de en
  • DE629290C - Inflatable swim belt : de en
  • GB446669A - Improvements relating to pudding basins and the like : en
  • SU46551A1 - The method of obtaining sulfuric acid : en ru
  • SU46621A1 - Relay device : en ru
  • US2038963A - Timing mechanism : en
  • US2039131A - Centrifugal pump : en
  • FR797648A - Improvement to devices for waving eyelashes : en fr
  • FR797748A - Improvements to the inner tubes of pneumatic tires : en fr
  • CH183883A - Process for the production of an anthraquinone derivative. : de en
  • CA357494A - Circular loom : en fr
  • CH183736A - Method of manufacturing dies. : de en
  • SU46749A1 - The method of preparation of sulfur preparations for the purposes of disinsection : en ru
  • CH183906A - Process for the preparation of a carbocyanine dye. : de en
  • FR797635A - Balanced fixing method of a propellant engine block on motor vehicles : en fr
  • GB446533A - Improvements in or relating to the manufacture of textiles : en
  • SU46714A1 - Support for sub-platform levers of the Falco system : en ru
  • SU46780A1 - Woodwind musical instrument with continuous or discontinuous tempered sound scale : en ru
  • US2038893A - Carton : en
  • US2039128A - Power press drive and control : en
  • AU2403035A - Improvements indoor bolts : en
  • SU46646A1 - The method of obtaining paint : en ru
  • US2038862A - Cable plug and latch holding the adapter : en
  • US2038917A - Method of cold rolling sheets : en
  • PL23030B3 - Lighting installation. : en pl
  • GB446372A - Pressure indicating devices : en
  • GB446543A - Stay for windows or the like : en
  • AU2287035A - Improvements in or relating to means for fastening a plate ora bush ina door or wall of wood or similar material : en
  • ES4620U - A perfected metal bed frame (Machine-translation by Google Translate, not legally binding) : en es
  • FR797525A - Pedal or lever, particularly for controlling vehicle brakes : en fr
  • GB446431A - Improvements relating to fire or stove guards : en
  • PL22943B1 - Device for illumination of antennas. : en pl
  • US2039151A - Device for cushioning the shock of ships : en
  • US2039209A - Stop motions of textile apparatus : en
  • US2039220A - Valve : en
  • GB446286A - Improved method and apparatus for forming plastic materials into cylinders of predtermined length and diameter : en
  • GB446672A - Improvements in and relating to electrically heated thermal control elements, specially applicable to expansion type thermal elements forming overload and/or no-volt devices for electric circuit-breakers, contactors and the like : en
  • FR797521A - Self-resisting hydraulic device, particularly applicable as a shock absorber : en fr
  • GB446572A - Improvements in the driving of charging pumps of internal combustion engines : en
  • CH183837A - Process for the pneumatic transport of grains and similar substances and installation for carrying out this process. : en fr
  • US2038643A - Apparatus for the treatment of hats and other articles : en
  • US2039111A - Lubricating oil : en
  • DE629416C - Process for the production of herbal amylase preparations : de en
  • FR797649A - Method of charging gasifiers for vehicles : en fr
  • US2039025A - Electrical conductor : en
  • CA357448A - Rubber footwear : en fr
  • SU46713A1 - Clamping head for testing hoses, tubes, etc. hydraulic pressure : en ru
  • GB446722A - Improvements in or relating to reciprocating pumps : en
  • US2039265A - System for feeding water to a steam generator : en
  • GB446210A - Improvements in or relating to the manufacture of filter tips for cigarettes : en
  • CH183742A - Process for hardening hot-pressed workpieces, in particular horseshoe studs. : de en
  • CH183744A - Portable cross-cut saw with manual operation. : de en
  • SU46602A1 - Arrow switch : en ru
  • GB446364A - Improvements in or relating to controlling systems actuated by hydraulic pressure : en
  • DE629436C - Rail fastening for a tangential rolling of the rail foot on its base : de en
  • FR797474A - New furnace for the incineration of household waste : en fr
  • FR797583A - Improvements to traffic control systems : en fr
  • AU2226835A - Improvements relating to underframes or substructures of road vehicles : en
  • CH183623A - Fitting, in particular for water heaters. : de en
  • US2038667A - Chemical proportioning and mixing apparatus : en
  • FR797701A - Further training in gas analyzers : en fr
  • USD99489S - Design for a textile fabric or : en
  • CH183650A - Set made up of two rolling beds that can be moved apart and brought closer to each other. : en fr
  • DE628116C - Conveyor slide for mining operations : de en
  • SU46775A1 - Propeller Copy Machine : en ru
  • US2039049A - Printing device : en
  • US2039076A - Control mechanism for fluid pressure actuated devices : en
  • PL23033B1 - Paper bag for medical powders. : en pl
  • US2038678A - Clarification of cellulose ether solutions : en
  • GB446462A - Improvements in or relating to delivery apparatus for sheet printing machines : en
  • FR46349E - Improvement in organic compounds : en fr
  • SU46598A1 - Railway hydraulic column : en ru
  • SU46613A1 - Voltage stabilizer : en ru
  • US2039052A - Resilient means for bath brushes : en
  • DE629362C - Bearing arrangement : de en
  • GB446895A - A spring coiling machine : en
  • GB446320A - Improvements in and relating to printing machines such as typewriters, adding machines and the like : en
  • GB446362A - Improvements in or relating to spectacle lenses : en
  • ES141153A3 - Procedure and device for electrically desalting liquids. : en es
  • FR797690A - Method and apparatus for transferring a volatile liquid : en fr
  • US2039098A - Wall and ceiling structure : en
  • US2038904A - Dehydrating machine : en
  • US2038942A - Metallizable azodyestuffs and their production : en
  • FR797457A - Safety device applicable to closure systems with screw caps : en fr
  • FR797437A - Vacuum pump improvements : en fr
  • GB446497A - Improvements in or relating to thermionic valves and circuits therefor : en
  • GB446307A - Pin installation for well reamers : en
  • US2038742A - Terrazzo strip : en
  • DE629301C - Iron core for electrical machines : de en
  • DE629396C - Lighting arrangement for the projection of lenticular films : de en
  • DK51556C - Two-stroke engine. : da en
  • DE629405C - Reflector : de en
  • FR46303E - Silencer exhaust : en fr
  • US2038646A - Window sill attachment : en
  • US2038933A - Device for locating nuts with respect to the starting point of their threads : en
  • US2039158A - Mattress assembling table : en
  • DE629282C - plant pot : de en
  • DE629313C - Process for the preparation of substituted phenylethylamines : de en
  • DE629452C - Change cell for bathrooms : de en
  • FR797597A - Push-button lighter : en fr
  • FR797448A - Lighting apparatus and its manufacturing process : en fr
  • GB446344A - Improvements in and relating to devices for dispensing small quantities of cream-like substances : en
  • US2038749A - Gas ignition means : en
  • US2038897A - Gear cutter for the cutting of curved teeth gears : en
  • GB446429A - Improvements in or relating to metal railway sleepers : en
  • PL23000B1 - Window curtain for passive defense gas protection]. : en pl
  • DE629273C - Process for the production of centrifugally cast hollow bodies : de en
  • ES141175A1 - Improvements in fruit picking machines. : en es
  • GB446376A - Improvements in or relating to electric battery lamps : en
  • GB446383A - Improvements in or relating to the production of coated materials : en
  • US2038568A - Paper straightening device for duplicating machines : en
  • USD99440S - Design for a bathroom hook : en
  • PL22932B1 - A method of obtaining artificial masses with wax properties. : en pl
  • US2038966A - Metal building structure : en
  • FR797438A - Method for determining the quantity of liquid contained in a reservoir and devices for carrying out said method : en fr
  • GB446541A - Improvements in and relating to electric current rectifiers or inverters : en
  • GB446185A - Means for converting reciprocating into rotary motion and vice versa : en
  • US2038951A - Absorption refrigeration : en
  • US2038628A - File holder and guide : en
  • US2038672A - Attachment of rubber heels to shoes : en
  • US2038754A - Piston : en
  • US2039181A - Rail fastening : en
  • SU46534A1 - Capacitor : en ru
  • ES141174A1 - A retrofit assembly, especially to produce currents of a sawtooth type characteristic. : en es
  • FR46345E - Further training in sofa beds : en fr
  • PL22897B1 - A method of producing soluble phosphates and a device for this purpose. : en pl
  • SU46619A1 - Scale for tuning radio receivers : en ru
  • US2038521A - Ladder : en
  • US2039194A - Alarm operated switch : en
  • US2038954A - Motor generator : en
  • FR46314E - Method of mounting bristles, horsehair or other materials on brushes, brooms or the like : en fr
  • GB446315A - Selvedge-guiding devices for fabrics in the open width : en
  • FR797487A - Method and device for the reception of radio waves particularly applicable to short waves : en fr
  • FR797488A - Damper : en fr
  • FR797609A - Device and method for carrying out electrolyses : en fr
  • FR797628A - Shuffleboard : en fr
  • GB246493A - New or improved method and apparatus for the manufacture of fish hooks : en
  • PL22998B1 - Sweatband for clothes. : en pl
  • SU46542A1 - Method for producing calcium hypochlorite : en ru
  • GB446277A - Improvements in or relating to the manufacture of hydrocyanic acid : en
  • US2038922A - Tie plate : en
  • US2038889A - Lubricated valve : en
  • DE629327C - Device for displaying or controlling a frequency : de en
  • DE629488C - Socket switch : de en
  • CA357447A - Absorbent pad making machine : en fr
  • FR797442A - Improvements in and relating to cigarettes with clean means of ignition : en fr
  • GB446544A - Improvements in containers for explosive charges in harpoon shells : en
  • SU46764A1 - Screw screw : en ru
  • ES141147A3 - Small automatic coal burner. : en es
  • DE629419C - Aperiodic high-frequency amplifier with means to suppress the low-frequency amplification : de en
  • GB446403A - An improved method of vulcanising tyres and tyres produced thereby : en
  • GB446228A - Improvements in and relating to electric battery charging systems : en
  • GB446374A - Improvements in apparatus on transport vehicles to facilitate unloading : en
  • SU46734A1 - Adaptation to a planting machine for feeding tree seedlings : en ru
  • GB446443A - Improvements in and relating to chairs and the like for sitting and/or reclining on : en
  • DE627648C - Device for detachable fastening of portable typewriters, calculators and. Like. In a carrying case : de en
  • US2038574A - Manufacture of diarylamines : en
  • SU46831A1 - The method of hydrolysis of cellulose-containing materials : en ru
  • GB446314A - Improvements relating to the emulsification of oils : en
  • DE629316C - Control for gear change gears of rail vehicles : de en
  • DE629401C - Device for securing the connection of the links of crawler tracks connected to one another by means of pins : de en
  • FR797539A - Electric hair dryer : en fr
  • SU46704A1 - Method of processing jet : en ru
  • SU46801A1 - Grinding machine : en ru
  • GB446356A - An improved apparatus or tool for cutting and bending wire : en
  • GB446546A - Improvements in and relating to cricket bats : en
  • CA357374A - Chair and stool : en fr
  • US2038565A - Process of producing laminated glass : en
  • US2038544A - Bag : en
  • US2038609A - Compounds containing a mercaptide group and method of producing same : en
  • CH183628A - Process for the manufacture of an acoustically and thermally insulating building element and building element obtained by this process. : en fr
  • CH183757A - Water motors, in particular for washing machines. : de en
  • CH183917A - Process for producing an azo compound. : de en
  • CA357371A - Wick oil burner : en fr
  • FR797467A - Belt Conveyor Improvements : en fr
  • GB446281A - Improvements in or relating to air inlet valves for use in connection with cycle tyres : en
  • GB446199A - Measuring apparatus for liquids adaptable also for use as a fluid actuated motor : en
  • GB446797A - Apparatus for regulating the current and/or voltage supplied to an electrical apparatus : en
  • US2039241A - Thermally controlled switch : en
  • FR797634A - Air humidifier : en fr
  • IS174A7 - Method and equipment for heating materials with gases in a rotary kiln or rotary cylinder : en is
  • CA357498A - Snap-on holder : en fr
  • SU46772A1 - Caliper to the lathe : en ru
  • FR797440A - Process for making decorated glass wall plaques with a rough application surface and products resulting from this process : en fr
  • GB446484A - Method of welding together tubes and other elements of quartz, hard glass and other refractory materials : en
  • GB446534A - Improvements in stair carpet grips : en
  • SU46700A1 - The method of producing halalite : en ru
  • FR797498A - Device for presenting objects : en fr
  • FR797586A - Gas turbine : en fr
  • BE414427A - Perfected articulation : en fr
  • CH183648A - Device on loose objects to prevent the latter from sliding on their support and to protect the support and objects from damage. : de en
  • ES3351Y - Rubber sole for footwear. : en es
  • CA357520A - Pump valve : en fr
  • CH183717A - Method for recording movement quantities and device for carrying out the method. : de en
  • FR797665A - Improvements made to the means to be fitted to motor vehicles to illuminate the route followed by them : en fr
  • GB446402A - Improvements in or relating to dynamo-electric machines : en
  • DK51554C - Steam boiler or Water heater. : da en
  • US2038783A - Rolling mill : en
  • CH183606A - Device to facilitate the transplanting of all kinds of plants. : de en
  • USD99456S - Design for textile fabric : en
  • PL22987B1 - Hand shower. : en pl
  • DK51558C - Device for Bicycles with Fixed Pump. : da en
  • GB446204A - Improvements in or relating to drive screw nails : en
  • FR797721A - Device for the automatic feeding of bundles of always the same size in machines for lining wood with brushes and brooms : en fr
  • GB446296A - Improvements in appliances for threading sewing needles : en
  • GB446526A - Improvements in frictional planetary gears : en
  • CH183600A - Tedder. : de en
  • USD99484S - Design fob a shoe ob similab article : en
  • CH183794A - System with gas-filled electrical discharge tubes. : de en
  • CH183712A - Ski binding. : de en
  • CA357483A - Barbituric acid compound : en fr
  • CH183760A - Reversible opposed piston two-stroke internal combustion engine. : de en
  • CH183784A - Circuit arrangement with direct current amplifier. : de en
  • PL23036B1 - A method of distilling fine pulverized coal with oil and an apparatus for carrying out the method. : en pl
  • GB446328A - Improvements in and relating to lamps suitable for street lighting : en
  • BE414370A - : en
  • BE414753A - : en
  • USD99439S - Design fob a toilet flush tank : en
  • USD99478S - Design fob a handbag : en
  • DE629143C - Ship propeller drive, consisting of synchronous generator and synchronous motor : de en
  • FR797614A - Hub with freewheel device, for bicycles : en fr
  • FR797733A - Improvements to containers of paper or the like : en fr
  • GB446565A - Improvements in or relating to rail guided vehicles : en
  • GB446239A - Improvements in valves and valve gear for fluid-pressure engines : en
  • DE629292C - Waste bin with lockable lid : de en
  • GB446467A - Apparatus for controlling the displacement of stabilizing masses on ships, particularly applicable to the fluid masses of anti-rolling tanks : en
  • PL23041B1 - A device for mounting a machine gun on a motorcycle cart. : en pl
  • US2039134A - Phototube : en
  • GB446527A - Improvements in lasting footwear : en
  • GB446564A - Improvements in screen plate for paper making machine : en
  • DE629462C - Board carrier connection for folding boats : de en
  • US2038979A - Gravity dam : en
  • FR797447A - Device for heating roads : en fr
  • DE629378C - Metal plate for the production of etching clichés : de en
  • GB446444A - High pressure steam plant : en
  • US2038892A - Bobbin : en
  • US2038852A - Sink strainer for drain openings and the like : en
  • US2039142A - Tracheotomy tube : en
  • DE629353C - Device for controlling an object in accordance with a predetermined movement, e.g. to stabilize an object on a swaying platform : de en
  • CH183820A - Self-seller with a coin button in a coin chamber. : de en
  • CA357373A - Adjustable mould : en fr
  • AU2225535A - Improvements relating tothe recovery of gold andother precious metals : en
  • CH183706A - Numbering machine, in particular for book printing. : de en
  • DE629358C - Feed screw with reciprocating motion for working machines : de en
  • FR797749A - Process for manufacturing inner tubes for pneumatic tires and resulting products : en fr
  • GB446217A - Improvements in electric arc heating torches : en
  • GB446662A - Improvements in or relating to the purification of water : en
  • US2039164A - Scale : en
  • GB446220A - Improvements in or relating to globes or shades for lamps : en
  • SU46642A1 - The method of obtaining vat dyes : en ru
  • US2038712A - Apparatus for pressing and dehydrating fibrous materials : en
  • GB446260A - Process and apparatus for the dyeing or analogous treatment of textile fibres in the preparatory stages of spinning : en
  • CH183642A - Device for squeezing fruits. : de en
  • CH183727A - Self-winding watch. : en fr
  • DE629338C - Gas-tight wall bushing for rotating or oscillating rotating axes in gas knives with a leather disc that is used to separate the rooms in a gas-tight manner and is attached to the wall in a gas-tight manner with the outer edge : de en
  • FR797402A - Device for automatically closing the existing clearance below a door : en fr
  • ES3938Y - Flexible multi-layered whale. : en es
  • SU46812A1 - Steam pervibrator : en ru
  • SU46546A1 - Sulfur recovery from gases containing it : en ru
  • US2038960A - Device for producing periodical current impulses : en
  • US2039034A - Electric conversion system : en
  • US2039147A - Variable speed transmission : en
  • BE414619R - Improvements to devices such as radio-compasses : en fr
  • CH183802A - Process for the preparation of a quinine compound with poor taste. : de en
  • DK51571C - Signal system for railway crossings. : da en
  • CH183894A - Process for the preparation of a dye. : de en
  • CH183630A - Hydrant. : de en
  • CA357464A - Metal culvert : en fr
  • CH183916A - Process for producing an azo compound. : de en
  • FR797735A - Closure for rubber objects : en fr
  • PL22945B1 - Method to prevent abrasion of threads. : en pl
  • SU46810A1 - Extraction device for cotton spinning machines : en ru
  • US2038845A - Folding box : en
  • CH183609A - Ring dowel connection for wooden structures. : de en
  • AU2198335A - A remover for crimped bottlecaps : en
  • CH183909A - Process for the preparation of a pyridine dye. : de en
  • SU46795A1 - Air propeller with adjustable pitch : en ru
  • US2038877A - Sheet separating and feeding device : en
  • GB446635A - Braun tube, more partieularly for television purposes : en
  • AU2130535A - Improvements in or relating to electrical relay and oscillator systems : en
  • AU2268835A - Appliance for use in fumigating rabbit warrens : en
  • PL23014B1 - Device for separating fibrous material into fibers. : en pl
  • US2038688A - Solid lubricant : en
  • US2038713A - Collision guard for motor vehicles : en
  • US2038955A - Radio receiving circuit : en
  • SU46806A1 - Device for measuring the difference in the level of liquids or pressure on the distance : en ru
  • CH183789A - Device for protecting continuous electrodes against corrosion. : de en
  • US2038708A - Paper making machine : en
  • SU46722A1 - Device for determining the moisture content of fibrous plants, for example, flax, hemp and similar materials in sheaves : en ru
  • US2038692A - Box car : en
  • USD99438S - Design foe a cooking stove : en
  • DE629426C - Illuminated circuit diagram : de en
  • CA357372A - Piston truss : en fr
  • CH183871A - Process for the preparation of an azo dye. : de en
  • CA357454A - Lubricating device : en fr
  • BE408589A - : en
  • FR797602A - Refinements to reflective pose devices for photography and other applications : en fr
  • CA357435A - Furnace stoker : en fr
  • CH183723A - Switching device for controlling the printing of characters on calculating machines. : de en
  • DK51557C - Foam Manufacturing Equipment for Use in Fire Extinguishing. : da en
  • ES4075Y - Ladies' trouser cloth : en es
  • GB446293A - Improvements in electric ceiling, floor and wall lamps : en
  • GB446333A - Improvements in methods of photo-electrically measuring the light absorbing or reflecting capacity of substances : en
  • GB446658A - Improvements in or relating to the treatment of drying or semi-drying oils to produce substances for use in paint, enamel, lacquer or like protective coating compositions : en
  • PL22975B1 - Vertical furnace for coking coal or similar materials. : en pl
  • SU46765A1 - Variable gear mechanism using elastic clutch and one-way clutch : en ru
  • PL22966B1 - Ball mill. : en pl
  • CA357505A - Ventilator : en fr
  • DE629283C - Butt weld connection for high quality building material : de en
  • US2038884A - Cutting tool for use with millboard, wallboard, and other like material : en
  • PL22934B1 - The method of making dessert bread. : en pl
  • US2039021A - Shoetree : en
  • US2039150A - Razor blade sharpener : en
  • PL23034B1 - Hoisting device with pebbles, the discs of which at the point of emptying roll in bent handlebars. : en pl
  • SU46784A1 - Method for making stoppers for sealing milk bottles : en ru
  • US2038570A - Frequency changing system : en
  • SU46771A1 - Interlock between the gear guard on the lathe guitar and the feed engagement mechanisms : en ru
  • US2038697A - Manually operated tool : en
  • USD99468S - Design for a doll or similar : en
  • USPP175P - Peach tree : en
  • SU46745A1 - Mulch spreading machine : en ru
  • US2038836A - Composition containing a cellulose compound and a titanium salt of an aromatic polybasic acid : en
  • GB446310A - Improvements in drilling machines for operation in rock, coal or other material : en
  • GB446570A - Improvements in and relating to small-arms : en
  • CA357471A - Labelling and wrapping machine : en fr
  • CH183696A - Method for preparing the format cutting of a plurality of types of paper and similar products. : de en
  • DE629294C - Centrifugal machine housing with lower, pendularly suspended closing flaps : de en
  • FR797554A - High calorific gas burner : en fr
  • GB446458A - Improvements in and relating to conveyors of the flexible belt or band type : en
  • CH183690A - Process for producing a synthetic resin. : de en
  • US2039113A - Amplifier circuits : en
  • US2039247A - Draft rigging : en
  • CH183615A - Tension-free double jacket fireplace. : de en
  • SU46654A1 - Rosin oxidation method : en ru
  • CH183771A - Device with electrical lead wires connected to the same. : de en
  • SU46560A1 - The method of cleaning solutions of aluminum salts, transferred to aluminum hydroxide : en ru
  • DE629351C - Can opener : de en
  • US2039054A - Oil circuit breaker contact : en
  • AU2228235A - Improvements in or relating to navigation aiding andother directional radio systems : en
  • CH183640A - Electric stove with a solid fuel firing point. : de en
  • CA357408A - Building unit manufacture : en fr
  • GB446196A - An improvements in or relating to sweeping brushes : en
  • GB446394A - Improvements in and relating to fuel oils : en
  • US2038814A - Ashtray : en
  • FR46312E - Calipers improvements : en fr
  • GB446226A - Process of producing a food product : en
  • GB446482A - Improvements relating to circuit arrangements for regulating the potential of electric consumer circuits, particularly lighting circuits by means of controlled discharge gaps : en
  • CH183780A - Electric switch with toggle spring. : de en
  • CH183877A - Process for the preparation of an azo dye. : de en
  • FR797623A - Two-part button, which can also be used as a clasp : en fr
  • AU2384335A - Improvements in or relating to electrical signalling systems : en
  • CA357476A - Internal combustion engine : en fr
  • FR797453A - Condensers per area : en fr
  • ES141160A3 - A procedure for the disinfection, degreasing and preservation of complete war mask kits. : en es
  • ES4623U - A new table with folding or retractable legs that becomes a tray (Machine-translation by Google Translate, not legally binding) : en es
  • GB446375A - Improvements in or relating to doors and particularly sheet metal doors : en
  • CA357404A - Phosphorous extraction : en fr
  • CH183654A - Shoehorn. : de en
  • CH183863A - Process for the preparation of an azo dye. : de en
  • GB446582A - Indicating device : en
  • FR797507A - Device for starting explosion engines by dynamotor : en fr
  • GB446354A - Improvements in or relating to methods of synchronising in television : en
  • SU46547A1 - The method of obtaining sodium sulfhydrate in the solid state : en ru
  • CA357472A - Paper bottle making mechanism : en fr
  • FR797410A - Scanning process for internal combustion engines operating in the two-stroke cycle : en fr
  • FR797420A - Tin can device for travel, camping, etc. : en fr
  • GB446343A - Improvements in synthetic plastic materials containing rubber or allied products : en
  • GB446581A - Improvements relating to lubricating installations : en
  • US2039040A - Method of making composite metal stock : en
  • FR797492A - Advanced control device for thresher shaker mechanism : en fr
  • FR797482A - New vibration massage instrument : en fr
  • DE629385C - Process for thin-layer lining by means of a feed channel charged centrifugal casting molds : de en
  • US2038683A - Pulsating direct current generator : en
  • FR797684A - Electric propulsion machinery for ships with several tree lines : en fr
  • GB446325A - Improvements in fuel injection devices for internal combustion engines : en
  • USD99480S - Design fob a cigarette holder : en
  • GB446401A - Improvements in or relating to the starting of injection internal combustion engines : en
  • GB446659A - Improvements in or relating to the production of protective coating compositions : en
  • US2038813A - Air preheating system : en
  • US2038865A - Process for separating formic acid from acetic acid : en
  • GB446512A - Improvements in electric starting systems for internal combustion engines : en
  • GB446562A - Improvements in electric tumbler switches : en
  • US2038894A - High tension electric cable : en
  • SU46796A1 - Device for controlling mainly tracked vehicles : en ru
  • US2039058A - Coupler and lock : en
  • FR797686A - Process for preparing solutions of polymerization products : en fr
  • US2038626A - Positioning and supporting means for portable saws : en
  • US2038676A - Siphonproof fuel tank : en
  • US2038681A - Brake control : en
  • US2038940A - Fish lure : en
  • GB446412A - Improvements in the distillation of coal : en
  • GB446379A - Improvements in and relating to methods of producing non-inflammable and non-hygroscopic fibrous material : en
  • ES4622U - An instructive success game (Machine-translation by Google Translate, not legally binding) : en es
  • FR797736A - Improvements to rubber hot water bottles : en fr
  • SU46717A1 - Micromanipulatory torus : en ru
  • US2038700A - Propellent powder : en
  • GB446295A - Improvements in gun arrangements for aircraft : en
  • CH183708A - Box cinema machine. : de en
  • US2038816A - Appliance plug : en
  • CH183853A - Self-propelled railway train. : en fr
  • US2039266A - Draft rigging : en
  • SU46833A1 - Roller Screen for coal, ore and other materials : en ru
  • FR797567A - Elastic drive device for auxiliary devices of automobiles or airplanes : en fr
  • FR797737A - Sealing cap for balloons or other rubber articles intended to be inflated : en fr
  • GB446415A - Improvements in or relating to machines for winding coils for electrical devices : en
  • GB446968A - Manufacture of substituted nitro- and amino-chrysenes : en
  • DE629157C - Machine with device for the mutual evaluation of stamped sheets : de en
  • US2038946A - Revolution counter : en
  • SU46666A1 - Device for collecting gas from gas generators : en ru
  • SU46679A1 - The method of purification of aqueous extracts of pine needles from bitterness : en ru
  • GB446318A - Improvements in and relating to devices for damping or moistening articles with small quantities of liquids : en
  • SU46623A1 - Electrical resistance : en ru
  • US2038527A - Polished-rod shock absorber : en
  • US2038569A - Production of alkali metal nitrates : en
  • US2038901A - Locking device for lids, box and trunk panels, and the like : en
  • US2038629A - Pipe joint : en
  • US2038566A - Production of hydrogen and preparation of catalysts therefor : en
  • FR797575A - Electro-pneumatic relay for road signs : en fr
  • FR797407A - Detachable assembly simultaneously connecting in several places to the hub of a propeller a hub cover fairing made of one piece : en fr
  • DE629427C - Brassiere : de en
  • FR46324E - Cross-winding yarns binding machine for bleaching, dyeing, etc. : en fr
  • FR797619A - Gaseous or gasified fuel burner-diffuser : en fr
  • SU46584A1 - Device for preventing water from entering steam turbine : en ru
  • FR797750A - Improvements to radial plain bearings capable of withstanding loads or thrust forces : en fr
  • GB446445A - Improvements in and relating to filtering media : en
  • FR46318E - Watertight door with elastic seal : en fr
  • FR797680A - toxic air cleaner : en fr
  • FR797606A - Process for preparing organic sulfur compounds : en fr
  • FR797659A - Hood for liquid-cooled aviation internal combustion engines : en fr
  • US2038774A - Box lining : en
  • FR797551A - Sheet for printing, writing, calcining and the like, and method of manufacture : en fr
  • FR797671A - evaporator for sugar juice or chemical solutions : en fr
  • FR46346E - Further training in fueling internal combustion engines and vehicles incorporating them : en fr
  • FR797421A - Treatment of hydrocarbon oils : en fr
  • GB446291A - Improvements in rotary pumps : en
  • GB446460A - Rubber product and method of obtaining the same : en
  • FR797427A - Method and device for scanning images using electron beams : en fr
  • US2038547A - Nut threading machine : en
  • DE628385C - Pinion starter for internal combustion engines : de en
  • GB446405A - An improved sanitary tray for housing and feeding animals : en
  • SU46588A1 - Colorful stamping machine : en ru
  • SU46829A1 - Shprynka for shuttle : en ru
  • PL22967B3 - Device for reducing the width of the roving in the cutting. : en pl
  • SU46627A1 - Acoustic shock protection device : en ru
  • SU46665A1 - Soap sausage machine : en ru
  • US2039079A - Door check : en
  • US2038858A - Stopper : en
  • US2038751A - Coating : en
  • US2038842A - Brake drum : en
  • US2039248A - Initial ornament : en
  • US2038701A - Carrier handle : en
  • US2038850A - Process for recoery of metal values : en
  • US2038528A - Last : en
  • GB446294A - Improvements in or relating to electrical energy supply and regulator systems : en
  • ES141164A1 - A procedure for obtaining drinking water from seawater. : en es
  • FR797491A - Improvements to wheels fitted with brakes : en fr
  • GB446556A - Improvements in means for connecting joists or beams to girders in building construction : en
  • GB446897A - Improvements in an arrangement for guiding vehicles with rubber tyres on railways : en
  • DE629308C - Loosely connected tobacco leaves : de en
  • FR797405A - Cleaning and maintenance device : en fr
  • FR797702A - New device for peeling vegetables : en fr
  • GB446349A - Improvements relating to liquid-heaters : en
  • GB446557A - Method of recording data relating to the speed of vehicles : en
  • DK51578C - Nozzle for Vacuum Cleaners. : da en
  • CH183922A - Automatic fuel regulator for continuous fluid pressure brakes. : en it
  • FR797604A - electrostatic screen : en fr
  • PL22922B1 - A preparation for the care of teeth and oral cavity. : en pl
  • US2038886A - Lubricated valve : en
  • AU2230935A - Improvements in and relating to bale ties or bands andin the method of and means for fastening thesame : en
  • FR797456A - Artificial fur : en fr
  • CH183707A - Device to prevent the deposition of dust on optical sound films when they are in use. : de en
  • FR797481A - Superimposition of a transparent positive on a portrait or landscape painting : en fr
  • FR797653A - Multiple drawing bench, for metal wires : en fr
  • FR797577A - Improvement in automatic starting rheostats by electrodes : en fr
  • GB446267A - Improvements in or relating to machines for making carpets and other tufted or piled products : en
  • GB446361A - Firing device for machine-guns and the like : en
  • GB446507A - Improvements in and relating to laundry ironing and like machines : en
  • US2038592A - Method of and means for shrinking articles : en
  • US2038835A - Latch construction : en
  • US2038929A - Ratchet feed stoker : en
  • USD99455S - Design for textile fabric : en
  • CA357381A - Tripod attachment : en fr
  • DK51579C - Burner for Gasification and Combustion of Liquid Fuels. : da en
  • US2038601A - Pumping system : en
  • SU46738A1 - Cotton harvesting machine : en ru
  • US2038682A - Machine for operating upon hides, skins, and leather : en
  • US2038988A - Composition and process for inhibiting corrosion : en
  • GB446551A - Improvements in electric dry cells : en
  • US2039109A - Flush valve : en
  • CA357456A - Lubrication device : en fr
  • ES141159A1 - SAFETY DEVICE FOR SHAVING AS A SHARPENING MECHANISM : en es
  • FR797562A - Variable power transformer, automatic : en fr
  • SU46676A1 - The method of processing nesting fluff rabbit, hare and other animals : en ru
  • US2038538A - Method of preparing halobutadienes : en
  • FR797445A - Sprayer for medium-heavy or heavy fuels : en fr
  • GB446336A - Improvements in sliding clasp fasteners : en
  • SU46531A1 - Cardboard Cutting Machine : en ru
  • US2039027A - Electric valve circuits : en
  • SU46564A1 - The method of purification of aluminum salts of iron compounds : en ru
  • US2039231A - Device for measuring the adjustment of machine tool cabriages : en
  • FR797558A - New way of manufacturing products for sowing : en fr
  • DE629244C - Process for the production of reduction products with hydrocarbon or alcohol character from fatty acid esters : de en
  • DE629315C - Process for the simultaneous production of iron or iron alloys and Portland cement or hydraulic liming in a rotary kiln : de en
  • GB446891A - Improvements relating to electrical sound amplifiers : en
  • PL22949B1 - Electrode for very high frequency currents, especially in diathermy and therapy applications. : en pl
  • SU46791A1 - Method of making translucent x-ray screens : en ru
  • US2038622A - Method and apparatus for determining flowability of coating materials : en
  • DE629441C - Electric light bulb in the shape of a candle flame : de en
  • DE629464C - Insole : de en
  • DE629390C - Labyrinth ring with built-in pressure piston : de en
  • US2038752A - Inhibitor for packaged products : en
  • DK51567C - Device for vertical gas retorts. : da en
  • DE629296C - Device for atomizing liquids and mixtures : de en
  • DE629395C - Papierstoffhollaender : de en
  • SU46808A1 - Control device for electric flashlight device : en ru
  • DE629486C - Compensating capacitor for telecommunication cable systems, individually enclosed in a protective sleeve : de en
  • DK51563C - Procedure for the manufacture of technical rubber hoses with inlays of woven fabric. : da en
  • SU46778A1 - Lead Powder : en ru
  • GB446547A - Improvements relating to relaxation oscillation generators for use with cathode ray tubes : en
  • US2039048A - Latch fastening for doors, windows, and the like : en
  • US2039199A - Device for regulating the air-gap between the stator and rotor in dynamo machines having annular elements : en
  • US2038837A - Slug and slug feeding apparatus : en
  • US2038902A - Electric switch : en
  • USRE19946E - Partition : en
  • FR797531A - Improvement in devices for automatic reclosing of circuit breakers : en fr
  • AU2130235A - Improved draining device for wringers andthe like : en
  • GB446448A - Improvements in or relating to methods of treating waste rubber for the recovery of other products : en
  • CH183892A - Process for the preparation of a dye. : de en
  • US2038925A - Method and apparatus for the treatment of fibrous material : en
  • US2038674A - Deep well pump : en
  • US2039246A - Meter : en
  • CH183603A - Use for flower pots. : de en
  • SU46539A1 - The method of cutting food semi-finished products and products : en ru
  • US2039039A - Artificial bait : en
  • DE629456C - Oil lubrication pump on moving machine parts : de en
  • SU46767A1 - Device for communicating to the working bodies of oscillating motion machines : en ru
  • CA357417A - X-ray system : en fr
  • CH183835A - Packaging for smoking products. : en fr
  • PL22961B1 - Mechanical device for indicating and recording temperature. : en pl
  • SU46850A1 - Box : en ru
  • US2038941A - Tooth brush holder : en
  • BE414646A - : en fr
  • CH183620A - Steam heater. : en fr
  • AU2253935A - An improved tablet for writing or drawing : en
  • US2039255A - Fluid container and method of welding the same : en
  • PL22931B3 - The method of producing fast-hardening artificial phenolaldehyde resins. : en pl
  • PL22962B1 - Sound reproducer in turntables. : en pl
  • PL23035B1 - __J £ L-34-grt70TT Wooden bent chair. : en pl
  • DE629319C - Photoelectric device, e.g. Train end indicator : de en
  • DE629336C - Copper alloy : de en
  • CA357366A - Adjustable gearing : en fr
  • SU46675A1 - The method of regeneration of wool from used camel belts : en ru
  • US2039023A - Process of producing new dyestuffs of the anthraquinone series : en
  • DE629414C - Wind power machine with a frame that accommodates the wind turbine and is rotatable about a vertical axis : de en
  • AU102930B2 - Improvement in high-frequency coupling systems : en
  • CA357398A - Graphite injecting apparatus for engines : en fr
  • CH183891A - Process for the preparation of a dye. : de en
  • BE387200A - Support for pen holder and other objects with swivel suspension : en fr
  • CA357442A - Automobile suspension system : en fr
  • CA357497A - Centrifugal pump : en fr
  • CA357509A - Oil separation from fuller's earth : en fr
  • DE629448C - Rubber thermophore : de en
  • US2038671A - Airship : en
  • US2038972A - Sole : en
  • CA357382A - Liquid tank reserve container : en fr
  • CH183781A - Device to prevent the swing of automatically tripping switches when closing due to a short circuit. : de en
  • AU2323835A - Improvements in and relating to infusion bags and like containers : en
  • GB446298A - Improvements relating to display cabinets and shelving : en
  • CA357430A - Vitreous silica article production : en fr
  • DE629285C - Device for producing rolled clothes flaps or the like. : de en
  • DE629345C - Cutting device for straw presses : de en
  • GB446455A - Improvements in or relating to regulating transformers : en
  • AU2282735A - Improvements in and relating to oil burners : en
  • CA357378A - Piston : en fr
  • AU2220535A - Improvements in and relating to telephone dials : en
  • CH183758A - Free-piston compressed gas generator system with several free-piston internal combustion compressors. : de en
  • US2038987A - Roll back stop : en
  • CH183786A - Permanent magnet. : de en
  • FR46321E - Improvements to silencers for heat engines, weapons and firearms : en fr
  • BE414612A - Process for the preparation of organic derivatives of chlorine and bromine : en fr
  • DE629298C - Conversion of ferrophosphorus into trialkali orthophosphates : de en
  • FR797746A - Chimney sweeper for boilers : en fr
  • GB446225A - Improvements in signal transmission systems involving unattended repeater stations : en
  • CH183845A - Vehicle wheel with at least one removable rim. : de en
  • CH183881A - Process for the preparation of a complexed metal-containing dye. : de en
  • DK51577C - Procedure for Rebuilding Burned Out Electrical Fuses. : da en
  • FR797676A - Gas protection device, with peripheral air intake : en fr
  • GB446321A - Improvements in line-spacing mechanism for typewriting machines : en
  • AU2333735A - Improved method of welding : en
  • CA357426A - Concrete pump : en fr
  • FR797621A - Process for the preparation of alkylene sulfides : en fr
  • CH183886A - Process for the production of an anthraquinone derivative. : de en
  • GB446338A - Improvements in and relating to calculating apparatus : en
  • CH183711A - Bass keyboard, especially for hand harmonics. : de en
  • CH183773A - Plug connection with device to prevent unintentional loosening. : de en
  • CH183890A - Process for the preparation of a dye. : de en
  • SU46689A1 - Device for tiling walls : en ru
  • FR797654A - Process for the stable incorporation of vitamins into milk : en fr
  • SU46715A1 - Micromanipulatory torus : en ru
  • SU46844A1 - Glass blowing machine : en ru
  • PL23026B1 - Rocket launcher. : en pl
  • SU46512A1 - Method for stamping hollow bodies : en ru
  • SU46592A1 - Clinker and similar materials : en ru
  • US2038536A - Spray cooler : en
  • US2038575A - Frozen confection and wrapper therefor : en
  • CH183682A - Process for the production of a solid, durable diazonium double salt. : de en
  • CH183777A - Temperature switch. : de en
  • CH183667A - Process for the production of a wall covering from wood. : de en
  • CH183860A - Device for cutting food and beverages. : de en
  • ES4131Y - Plug opener for the so-called crown. : en es
  • DE629422C - Device for spraying tar and bitumen on paper roofs : de en
  • US2038723A - Treatment and manufacture of textile materials : en
  • US2039041A - Individual wheel mounting : en
  • US2039062A - Process for the performance of chemical reactions, such as roasting, calcining, or the like : en
  • SU46744A1 - Device for washing and scalding : en ru
  • SU46571A1 - The method of producing isoprene : en ru
  • PL22990B1 - A control device for DieseTa locomotives, in which a mixture of compressed air and steam is used to transmit energy. : en pl
  • SU46510A1 - Device for limiting the supply of sheet metal in bending machines with swiveling bending cheek : en ru
  • CA357428A - Concrete pump : en fr
  • CH183636A - Oil firing system. : de en
  • FR797703A - Process for improving the structure of steel products : en fr
  • GB446335A - Card file : en
  • GB446345A - Improvements relating to the cooling of liquids in storage vessels : en
  • CH183852A - Suspension cable brake for suspension railways. : de en
  • SU46720A1 - Heat ray indicator : en ru
  • AU2136535A - Improvements in electric discharge lamps : en
  • BE414408A - Method for preparing a sensitive layer for diazotype and method for making sensitive plates of tissues or other products : en nl
  • CH183643A - Grape press. : en fr
  • FR797636A - Ordered dart pins for fancy yarn twisting looms : en fr
  • FR797414A - Electric accumulator : en fr
  • FR797745A - Cushions, mattresses and the like of spongy rubber and process for their manufacture : en fr
  • GB446301A - Improvements in or relating to methods of and apparatus for vulcanising rubber articles : en
  • DE629347C - Internal combustion engine, in particular a vehicle engine, with a charging blower that can optionally be switched on and off : de en
  • PL22958B1 - A way to destroy grain worm and similar pests in agriculture. : en pl
  • GB446227A - Iron cores for induction coils and methods of producing same : en
  • CH183735A - Process for the production of low-carbon alloys of iron with other heavy metals. : de en
  • DE629434C - Link crank mechanism : de en
  • FR797687A - Composite glass : en fr
  • CA357388A - Lawn and weed mower : en fr
  • CH183748A - Cutting dies for leather, etc. and process for their manufacture. : de en
  • SU46538A1 - The method of quantitative determination of the content in the gases of sulfur dioxide or hydrogen sulfide : en ru
  • US2039093A - Power transmission control mechanism : en
  • US2039252A - Dirigible headlights and the like for automobiles : en
  • USRE19951E - Apparatus fob duplicating : en
  • US2038885A - Lubricated valve : en
  • US2039026A - Road making : en
  • SU46566A1 - Method for continuous neutralization of raw chlorinated benzene : en ru
  • SU46691A1 - Sliding pattern for American type crosscut saws : en ru
  • SU46846A1 - Apparatus for precipitating precious metals from cyan solutions : en ru
  • CH183779A - Electrical apparatus with separator insert. : de en
  • CH183839A - Articulated chassis. : de en
  • GB446334A - Improvements in friction clutches : en
  • FR797458A - Shoe repair device : en fr
  • DE629370C - Process for coking fuel pellets : de en
  • GB446346A - High-frequency transformer circuits, more particularly for television purposes : en
  • CH183753A - Closure device on a container. : de en
  • SU46528A1 - Forming and styling machine : en ru
  • GB446400A - Improvements in and relating to the ground anchoring of posts and the like : en
  • US2038826A - Bail ear : en
  • US2039172A - Moistureproofed molded article and process of making the same : en
  • SU46822A1 - Switchgear to log transporter : en ru
  • DE629443C - Process for the production of metallic coverings for capacitor winding strips, in which the metallization of the dielectric is carried out by vapor deposition or spraying : de en
  • US2038736A - Work fitter for tire vulcanizers : en
  • DE629356C - Drafting system for spinning machines and similar textile machines : de en
  • PL22955B1 - Belt fastener. : en pl
  • US2039272A - Cap closing tool : en
  • USRE19942E - Silencer : en
  • PL22992B1 - Electric alarm device to indicate if the lock is open. : en pl
  • SU46736A1 - Cutting machine for cleaning machines : en ru
  • US2038553A - High tension generator : en
  • US2038634A - Refrigerator door : en
  • SU46826A1 - The way of clearing water with permutites from artificial or natural zeolites, in particular from volkonskoite : en ru
  • PL22899B1 - A set for toy building. : en pl
  • SU46824A1 - Flat shutter for bottom openings of hydraulic structures : en ru
  • US2038635A - Apparatus for railway train signaling systems : en
  • US2039071A - Power switch : en
  • US2038943A - Valve control : en
  • GB446506A - Improvements in and relating to rollers or other pressure surfaces of ironing and like laundry machines : en
  • CH183862A - Process for the preparation of an azo dye. : de en
  • PL23025B1 - Electric discharge lamp. : en pl
  • US2039009A - Grommet or the like : en
  • DE629323C - An air-filled electric motor with an external rotor and a centrifugal pump coupled to it without an intermediate shaft and intermediate bearing, consisting of a submersible pump set : de en
  • GB446449A - Improvements in and relating to railway points : en
  • GB446453A - Improvements in and relating to electric hotplates : en
  • FR797569A - Corrective device for accommodation defects in the eye : en fr
  • GB446442A - Improvements in the manufacture and production of insulating materials : en
  • FR797436A - Internal combustion engine capable of operating on several fuels : en fr
  • GB446670A - Improvements in the means for and method of producing knitted fabric : en
  • FR46339E - Device for electrically and automatically vulcanizing rubber parts : en fr
  • FR797461A - Improvements to pyrometers : en fr
  • GB446513A - Improvements in or relating to dental apparatus : en
  • SU46639A1 - The method of electric welding with the imposition on the welding current of industrial frequency of low voltage high frequency current : en ru
  • GB446184A - Improvements in swimming suits : en
  • GB446332A - Improvements in teat cups for milking machines : en
  • DE629410C - Ball game to be played like a Tivoli : de en
  • DK51559C - Bicycle lock. : da en
  • GB446229A - Improvements in apparatus for automatically controlling the charging of secondary electric batteries : en
  • SU46703A1 - The method of manufacturing plastics : en ru
  • US2038802A - Coin controlled printing and vending scale : en
  • US2038931A - Self cleaning screen for placer mining machines : en
  • US2039148A - Reactance clutch : en
  • USD99432S - Design for a clock dial : en
  • FR797616A - Method to prevent seizure in threads : en fr
  • SU46823A1 - Device for feeding to the elevator separately each log of the transverse brush : en ru
  • FR797530A - Fireplace installation for the incineration of refuse and other similar wastes : en fr
  • FR797590A - Device for improving engines supplied by gasifier : en fr
  • FR797696A - Broadcast receiver : en fr
  • GB446657A - Improvements relating to casing head equipment for bore holes or wells : en
  • ES141145A1 - A heater or refrigerator. : en es
  • FR797584A - Improved catalyst for producing chemical reactions, and method for obtaining and applying said catalyst : en fr
  • FR46308E - Electro-thermal generator or accumulator : en fr
  • DE629408C - Disengagement device for winding spindles with automatic reverse rotation of the spindle : de en
  • PL23024B1 - Dry mortar. : en pl
  • US2038817A - Lighting fixture : en
  • US2038840A - Tool for affixing elastic tubular handgrips to the shafts of golf clubs : en
  • SU46756A1 - Safety device to prevent internal combustion engines from operating with a faulty water cooling system : en ru
  • SU46637A1 - A method of manufacturing an electronic lamp : en ru
  • US2038715A - Agricultural disk machine : en
  • CA357411A - Conveying mechanism : en fr
  • PL22952B1 - Fixing the wheels on the axis of the mine cart. : en pl
  • PL22969B1 - Carburetor for internal combustion engines with a regulating device operating under the influence of the negative pressure prevailing in the engine suction line. : en pl
  • ES3692Y - Hollow brick for the formation of ceiling and floors. : en es
  • US2039214A - Instrument for use in obtaining stroboscopic effects : en
  • CH183793A - Head lamp. : de en
  • CH183805A - Tube-bulb device. : en fr
  • DE629377C - Device for perforating, scoring, grooving, punching and the like. Like. Of sheets in platen printing presses : de en
  • DE629299C - Circuit arrangement for telephone systems with dialer operation : de en
  • CH183838A - Process for emptying storage containers for granular and powdery, moist or dry materials by means of gaseous pressure media. : de en
  • CH183799A - Process for the preparation of 3- (bis-dioxypropyl) -amino-4-oxy-3'-amino-4'-oxyarsenobenzene-formaldehyde-sodium-sulfoxylate. : de en
  • SU46809A1 - Attachment to splaying tops for re-feeding the unfinished flap onto the feed table : en ru
  • CH183866A - Process for the preparation of an azo dye. : de en
  • CH183649A - Chaise-longue. : en fr
  • DE629466C - Foosball game : de en
  • FR46327E - Enhancements to Multiple Telephony and Single-Frequency Powerline Telegraphy Devices : en fr
  • GB446283A - Improvements in electric starting systems for internal combustion engines : en
  • GB446290A - Improvements in and relating to lamps suitable for street lighting : en
  • CH183873A - Process for the preparation of an azo dye. : de en
  • CH183662A - Process for the production of matt artificial structures from viscose. : de en
  • CH183900A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • US2039019A - Delayed control timelock guard : en
  • SU46800A1 - A device to protect the propellers of the propellers from falling into them fishing gear: seines, nets, gear, etc. and from damage by floating objects : en ru
  • SU46668A1 - Device for automatic stop of a round knitting machine : en ru
  • CH183772A - Process for maintaining, during transport, the impregnation of electrical cables with insulation impregnated with a liquid, and device for carrying out this process. : en fr
  • CA357474A - Zirconium oxide recovery : en fr
  • CA357500A - Automobile lock : en fr
  • SU46817A1 - Device for transporting bulk or lump materials through a fixed chute : en ru
  • US2038876A - Lock : en
  • SU46757A1 - Heat engine with rotating cylinders : en ru
  • CH183874A - Process for the preparation of an azo dye. : de en
  • CA357418A - Resilient building construction : en fr
  • CA357470A - Fatty matter stabilizing process : en fr
  • CH183849A - Direction display device on motorcycles. : de en
  • CA357370A - Sound producing device : en fr
  • DE629444C - Propellant for diffusion pumps : de en
  • US2039221A - Treatment of wood for baseball bats : en
  • US2039097A - Building block set : en
  • AU2358535A - Apparatus for calculating and indicating prospective totalizator dividends : en
  • CA357480A - Gasket : en fr
  • PL23021B1 - The method of producing opal briquettes. : en pl
  • AU2416235A - Improvements on or relating to internal combustion engines embodying radial cylinders : en
  • PL23003B1 - Double wall. : en pl
  • SU46752A1 - Nozzle - fuel pump for uncompressed internal combustion engines : en ru
  • US2039119A - Tilting apparatus : en
  • CA357416A - Welding device : en fr
  • PL22904B1 - A device for purifying air and generating an atmosphere enabling breathing in a sealed or leaky space. : en pl
  • CH183844A - Rapid braking device for two-chamber or storage brakes, in particular for motor vehicle trains. : de en
  • PL22959B1 - A shovel or a spade. : en pl
  • US2038882A - Sparking plug for internal combustion engines : en
  • US2039004A - Auxiliary buffer construction : en
  • ES141187A1 - A device adaptable to bicycles and motorcycles that converts them into navigable vehicles. [PASSES TO UTILITY MODEL Nº 2860] : en es
  • FR797449A - Esters of phosphorus acids and their manufacturing process : en fr
  • FR797695A - Device for marking coins such as checks : en fr
  • CH183631A - Window and door lock. : de en
  • SU46837A1 - Sulfur recovery from hot gases : en ru
  • US2038915A - Dispenser : en
  • CH183673A - Shoe with orthopedic insole. : de en
  • SU46587A1 - A device for recording typed lines of typographic dimensions : en ru
  • SU46632A1 - Device for measuring small electrical quantities with a galvanometer : en ru
  • SU46805A1 - A device for determining the level of various non-miscible liquids and a bottom hole. : en ru
  • PL22988B1 - The method of crystallization of saturated double salt solutions. : en pl
  • SU46669A1 - Superheated Steam Steaming Method : en ru
  • CH183880A - Process for the preparation of a complexed metal-containing dye. : de en
  • US2038719A - Insect electrocuting device : en
  • US2038871A - Joint : en
  • US2038978A - Changeable sign and letters therefor : en
  • AU2128935A - Arrangement in connection with tilting oscillation apparatus : en
  • CH183718A - Touch and adjustment device connected to a measuring instrument, in particular to an automatic balance, for the numerical adjustment of the measured value. : de en
  • CH183898A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • CA357519A - Crank-case flusher : en fr
  • SU46524A1 - Furnace for coking and semi-coking of solid combustible : en ru
  • SU46849A1 - Combined chassis with wheels and skis simultaneously : en ru
  • US2038554A - Spline coupling : en
  • CH183651A - Folding seat. : en fr
  • PL22916B1 - The method of producing condensation products. : en pl
  • PL23004B1 - A method of producing azo dyes on fibers. : en pl
  • US2038762A - Lubricating apparatus : en
  • CH183678A - Process for the preparation of metal catalysts in a particularly active form. : en fr
  • CH183729A - Process for the production of circuit boards for watches, in particular for pocket watches and wristwatches. : de en
  • US2038873A - Position determining apparatus : en
  • US2038989A - Refrigeration apparatus : en
  • US2039010A - Lifting jack device : en
  • PL23045B1 - The method of treating tobacco with liquid agents! or gas and equipment for carrying out the method. : en pl
  • CA357403A - Sewing machine device : en fr
  • BE414688A - : en fr
  • CH183910A - Process for obtaining metallic coatings on iron objects. : en fr
  • SU46638A1 - Method to protect mercury rectifier device from reverse ignitions : en ru
  • US2038638A - Drain board structure : en
  • USD99428S - Design for a combination pencil : en
  • USD99433S - Emmey : en
  • US2038598A - Hydraulic shock absorber : en
  • US2038604A - Process for treating lubricating oils : en
  • SU46580A1 - The method of cleaning solutions of acetic powder from the resin : en ru
  • US2038714A - Slug casting machine : en
  • SU46574A1 - The method of obtaining alpha and alpha'-chloronicate acid : en ru
  • SU46605A1 - Insulated rail joint with wooden plates and with fiber or leather gasket between the ends of the rails : en ru
  • US2038792A - Core drill : en
  • USD99434S - Design for a bottle : en
  • US2038549A - Method of coating metal : en
  • US2038812A - Transmission mechanism : en
  • DE624580C - Hot water storage tank heated by several electrical heating elements, in which the upper part of the water content is brought to boiling temperature, with a temperature regulator that pulls the storage tank over its entire length : de en
  • USRE19949E - Charge controlling device foe : en
  • SU46649A1 - Method for producing artificial wax : en ru
  • US2038530A - Laminated ski and the process of making the same : en
  • US2038868A - Joint : en
  • GB446214A - Testing apparatus for vehicle drivers : en
  • US2038517A - Receptacle closure : en
  • USD99450S - Design for textile fabric : en
  • USRE19952E - Apparatus for cementing wells : en
  • US2038684A - Vehicle chain : en
  • US2038743A - Die : en
  • US2038642A - Double and single coating device : en
  • DE629269C - Electrical crossover with constant input resistance to separate different frequency ranges : de en
  • FR797561A - Rubber stamp or similar, marking in one and two or more colors simultaneously : en fr
  • PL22980B1 - : en pl
  • FR797504A - Protection of aircraft shelters against gas : en fr
  • GB446535A - Improvements relating to safety devices for hydro-extractors : en
  • FR46342E - Instant fitting anti-slip device for tractor or motor vehicle wheels fitted with elastic or pneumatic tires : en fr
  • FR797516A - Heavy oil burner : en fr
  • FR797643A - Small synchronous motors : en fr
  • GB446820A - Process for the manufacture of dyestuffs containing chromium : en
  • FR797434A - Improvements made to the elastic suspension of vehicle bodies : en fr
  • GB446472A - Improvements in means for promoting the flow of fluids in pipes : en
  • GB446816A - Improvements in or relating to the colouration of textile materials : en
  • SU46658A1 - Method of making tracked adhesive : en ru
  • SU46755A1 - Multi-cylinder internal combustion engine : en ru
  • US2038611A - Boring bar : en
  • US2038722A - Production of textile materials : en
  • US2038740A - Heating apparatus : en
  • US2039082A - Sealing wounds and method of : en
  • US2039205A - Pocket powder-case : en
  • DE629470C - Inlet valve for cisterns : de en
  • GB446278A - Improved rubber compositions and the manufacture thereof : en
  • PL22914B1 - Apparatus for dispensing beer from kegs. : en pl
  • US2038612A - Cigarette processing machine : en
  • US2038773A - Humidifier : en
  • DK51555C - Barrier lattice for Beehives. : da en
  • SU46718A1 - Photometer : en ru
  • FR797524A - Braking system for electrically powered vehicles : en fr
  • FR797571A - Process for cutting castings of permanent magnet alloys : en fr
  • FR797596A - Assembly for walls, floors, ceilings, roofs of metal houses : en fr
  • US2038770A - Slicing machine : en
  • US2039103A - Engine : en
  • US2039203A - Furnace apparatus for the heat treatment of metallic or other bodies : en
  • USD99472S - Design fob a scarf : en
  • FR797471A - Method and devices for the autonomous towing of river boats : en fr
  • GB446385A - Process for the production of activated carbon in granular form : en
  • CA357459A - Lubrication device : en fr
  • AU2218735A - Improvements in and relating to bust supports : en
  • CA357469A - Continuous soap crutcher : en fr
  • CH183637A - Process for the production of water gas using the electricity from power plants at times of low electricity demand. : de en
  • CH183776A - Switching device, in particular for refrigeration systems. : de en
  • FR797465A - Automatic regulating mechanism for pulverizers : en fr
  • ES141144A1 - A flexible tracked metal rolling device. : en es
  • GB446191A - Improvements in or relating to the manufacture of cigarettes with filter tips : en
  • GB446287A - Improvements in or relating to envelope making machines : en
  • US2038854A - Control unit for electrical game devices : en
  • US2038608A - Hub brake : en
  • GB446889A - Non-structural activated carbon and process for the production thereof : en
  • GB456831A - Improvements in and relating to mountings for motor cycle side-cars : en
  • DE629302C - Method and device for the production of rubber strands : de en
  • US2038958A - Cleansing swab : en
  • CA357414A - Compressor : en fr
  • DK51569C - Method and apparatus for producing seedlings and germinated seeds without the use of soil. : da en
  • GB446237A - Improvements in and relating to guards for machinery : en
  • GB446499A - Improvements in or relating to electric cooking or like devices : en
  • PL22983B3 - Sliding vertical directional rudder of the aircraft. : en pl
  • ES141161A1 - A tabletop device, manual action to produce easily and without skill, tasks that allow cutting and confection. : en es
  • FR797477A - New elevator and warp control device for airplanes : en fr
  • SU46597A1 - Conversion device for coupling automatic couplings with a trailing hook of a tension device : en ru
  • US2038561A - Coating machine : en
  • CH183747A - Method and device for vulcanizing electrical cables. : de en
  • PL22923B1 - The method of producing permanent magnets. : en pl
  • SU46607A1 - The method of producing tetra-chlorophthalic acid : en ru
  • FR797627A - Glove enhancements : en fr
  • DE629320C - Contact wire : de en
  • FR797430A - Work case with erasable feet, transforming the case into a portable case : en fr
  • FR797610A - Automatic lubrication regulator for internal combustion moterus : en fr
  • GB446365A - Improvements in and appertaining to rear lights for road vehicles : en
  • SU46652A1 - Method of making ski ointment : en ru
  • GB446466A - Improvements in or relating to traveller needles for spinning and doubling machines : en
  • GB446393A - Method for the production of dark electrolytic deposits of rhodium : en
  • GB446474A - Improvements in or relating to lubricating devices for engine pistons : en
  • ES4615U - A new closure for heat bottles, ice sacks or similar rubber articles (Machine-translation by Google Translate, not legally binding) : en es
  • FR797624A - High pressure metal vapor electric lamp : en fr
  • FR797632A - Binder for removable pages : en fr
  • GB446216A - Improvements in or relating to electrical plug and socket connecting means : en
  • GB446555A - Improvements in the remote control of gas valves : en
  • GB446744A - An automatically-controlled electric inspection lamp for motor vehicles : en
  • FR797490A - Process for recovering ethylene and its homologues from gases containing it : en fr
  • FR797566A - Watertight cable entry for metal housings of electrical devices and machines : en fr
  • FR797603A - Bitumen cardboard : en fr
  • PL22951B1 - Armored plate. : en pl
  • US2038555A - Paint removing implement : en
  • US2038606A - Rubber heel of detachable layers : en
  • US2039175A - Gas generator equipped with ash removal means : en
  • FR46338E - Flail weighing indicator and printing the weight on tickets, preventing any fraud : en fr
  • GB446369A - A device for achieving a useful purpose from tea-dust surplus : en
  • SU46610A1 - Feeder converter for switching from symmetric to asymmetric and vice versa : en ru
  • US2038912A - Refrigerating apparatus : en
  • US2038803A - Dishwasher : en
  • US2038846A - Massaging device : en
  • US2038818A - Internal combustion engine : en
  • US2038627A - Method of making glass : en
  • US2038632A - Gasoline and method of making the same : en
  • DE601517C - Isolation vessel : de en
  • DE629156C - Calculating machine with multiplication calculator controlled by counting cards : de en
  • USD99475S - Design for a bag or analogous : en
  • GB446743A - Improvements in or relating to high frequency inductance coils fitted with powdered iron cores : en
  • US2039129A - Drier : en
  • FR797595A - Water clarification system : en fr
  • GB446674A - Improvements in means for moulding and vulcanising gas expanded rubber boards or other similar articles : en
  • US2039170A - Absorption of ethers : en
  • DE629306C - Process for the impregnation of caffeine-free coffee beans with caffeine-free coffee extract : de en
  • IE14054L - Self-filling fountain pen. : en
  • GB446182A - Improvements in or relating to apparatus for playing games : en
  • GB446391A - Improvements in or relating to means for testing vehicle wheel brakes : en
  • CH183770A - Insulating material and process for its manufacture. : de en
  • CH183774A - Expandable electrical multi-core connection cable. : de en
  • FR797513A - Improvements to 4-stroke internal combustion engines : en fr
  • FR797519A - Improvements in yarns and fabrics of textile materials : en fr
  • US2038995A - Audio frequency regenerator in a musical instrument : en
  • USD99430S - Design for a container : en
  • SU46733A1 - Evaporator for chloropicrin : en ru
  • FR797708A - Control device for driving blind airplanes : en fr
  • FR797605A - Float trap : en fr
  • FR797638A - Advanced automatic shutter : en fr
  • US2038522A - Burner construction : en
  • PL22937B1 - A device with a certain number of cathode ray tubes with equipotential cathodes, the filaments of which can be connected to networks with different voltages. : en pl
  • DE629472C - Template for cut pastry machines : de en
  • SU46516A1 - Method and device for drying fabrics and similar materials : en ru
  • DE629218C - Process for the production of transparent, heat-resistant borosilicate glasses : de en
  • DE629213C - Method for producing a connection between the anode and the supporting struts that can be separated without damaging the anode : de en
  • DE629330C - Process for electrical resistance welding, in particular for butt welding, of aluminum and other metals that are easy to clean and difficult to weld : de en
  • PL22968B1 - Half-gas furnace for burning picturesque opal materials. : en pl
  • US2039173A - Sound record : en
  • SU46657A1 - Method of making insect glue : en ru
  • FR797670A - Improvements relating to the processing of mineral oils : en fr
  • PL23013B1 - A method of producing homogeneous solutions of cellulose in a mineral acid or a mixture of mineral acids, : en pl
  • FR797505A - Paving stone refinements : en fr
  • US2039156A - Thermionic valve apparatus : en
  • GB446424A - Improvements in or relating to boxes for powder or other material : en
  • FR797675A - Improvements to control mechanisms for aircraft : en fr
  • FR46335E - Improvements to norias or lifting devices : en fr
  • GB446568A - Processes for improving the wetting properties of aqueous liquids used for treating textiles and other fibrous materials : en
  • FR797450A - New process for manufacturing cases, cups and similar parts for electric batteries and other uses and parts obtained by this process : en fr
  • FR797706A - Rescue clothing enhancements : en fr
  • US2038927A - Vapor filled thermionic tube : en
  • FR797719A - Apparatus for preparing infusions such as, in particular, that of coffee : en fr
  • GB446355A - Means for securing members by bolts : en
  • GB446352A - Improvements in electrical musical instruments : en
  • US2039045A - Nitration of sugars and their glycosides : en
  • DE629311C - Hydraulic extrusion press : de en
  • US2038819A - Universal saw handle : en
  • US2039073A - Elevator signal and control system : en
  • GB446219A - Means for cleaning windows : en
  • DE629453C - Process for the production of chlorinated rubber : de en
  • GB446435A - Improvements in the manufacture and production of mixtures of nitrogen and hydrogen practically free from oxygen and oxides of nitrogen and apparatus therefor : en
  • GB446890A - Improvements in or relating to tapping switches or ratio-adjusting devices for electrical transformers : en
  • GB446188A - Improvements in and relating to gas fires : en
  • BE414514A - : en
  • CA357422A - Television system : en fr
  • CH183618A - Process for the production of a surface for streets, workshops, halls etc. : de en
  • SU46821A1 - Centrifugal spreader bulk cargo when loading them in warehouses, ships, etc. : en ru
  • US2038827A - Safety check for window sashes : en
  • BE414636A - : en
  • SU46576A1 - The method of cleaning zizki from resins : en ru
  • SU46659A1 - A method of making paste for sealing the connector points of individual parts of motors : en ru
  • SU46747A1 - The method of pulling the cable under the ice when installing fishing gear : en ru
  • USD99429S - Design for a shoe : en
  • CA357460A - Container closure : en fr
  • CH183694A - Process for making distilled water suitable as drinking water and the device for carrying out this process. : de en
  • SU46660A1 - The method of obtaining spermaceta : en ru
  • US2039085A - Stemming machine construction : en
  • GB446211A - Hydraulic power installations : en
  • GB446578A - Air outlet device for use in ventilation : en
  • SU46554A1 - The method of converting yellow phosphorus to red : en ru
  • US2038825A - Glow discharge tube : en
  • US2038977A - Wheel guard : en
  • PL22944B1 - Amplifier. : en pl
  • US2038668A - Edge welding : en
  • US2039218A - Electrical cooking machine : en
  • US2038924A - Tappet gauge : en
  • FR797522A - Stabilizer device for coupled vehicles : en fr
  • DE629496C - Curve chassis for overhead traveling cranes or the like. : de en
  • GB446194A - Improvements in or relating to clinometers : en
  • SU46526A1 - Apparatus for producing milling, fuel briquettes and coke briquettes from peat or other plant materials : en ru
  • US2039271A - Vulcanizing method and machine : en
  • GB446389A - Improvements in stapling devices for driving pre-formed u-shaped wire staples : en
  • ES141146A1 - Improvements in and relating to internal combustion engines. : en es
  • US2038745A - Method and apparatus for forming conduits : en
  • DE629402C - Device to increase the pulling power on caterpillars with movable spade : de en
  • GB446522A - Improvements relating to handles for golf clubs and other playing appliances : en
  • SU46845A1 - The method of deposition of gold or silver from cyanide solutions : en ru
  • US2039185A - Climbing-iron : en
  • DE629393C - Presser foot ventilation device for sewing machines : de en
  • US2039116A - Indexer and leaf protector : en
  • SU46750A1 - way to combat pests of agricultural households : en ru
  • SU46557A1 - Kostoobzhigatelna shaft furnace : en ru
  • FR797544A - Process for treating coal oils, benzols, and other hydrocarbons, in order to obtain products with a low resin content : en fr
  • US2038593A - Butadienes and chlorinated derivatives thereof : en
  • US2038564A - Process for the synthesis of urea : en
  • FR797729A - Spark plug insulator for internal combustion engines : en fr
  • GB446327A - Improvements in tubular containers : en
  • GB446181A - Improvements in apparatus for drying the human head : en
  • CH183847A - Device for replacing the valve hoses and for cleaning the valve parts of valves on bicycle and motorcycle inner tubes, especially for Dunlop valves. : de en
  • SU46768A1 - Brush anode for electrolytic coatings by rubbing : en ru
  • USRE19945E - Radio apparatus : en
  • GB446377A - Improved furnace : en
  • SU46603A1 - Device for registering tram trains passing through a controlled point : en ru
  • SU46662A1 - Method of making lubricant composition : en ru
  • SU46545A1 - The method of obtaining sulfur from gypsum : en ru
  • US2038937A - Molding blanket : en
  • PL22997B1 - A method of absorbing olefins from gas mixtures. : en pl
  • SU46769A1 - Partial hot galvanizing method of plate heaters : en ru
  • US2038675A - Multistage fire control apparatus : en
  • CH183691A - Process for the production of heat-resistant polystyrene. : de en
  • GB446212A - Improvements relating to roller mills for cereals : en
  • GB446518A - Improvements relating to the control of electric generators : en
  • FR797523A - Improvements relating to cinematographic screens : en fr
  • CA357413A - Aircraft turn indicator : en fr
  • US2039132A - Braun tube : en
  • SU46819A1 - Loading device for bulk or lump materials : en ru
  • US2038581A - Automobile : en
  • US2038772A - Blasting charge : en
  • ES141149A1 - A noise absorbing device for metal treads. : en es
  • PL22971B1 - Rotary slider for valveless combustion engines. : en pl
  • ES4618U - Pickup (Machine-translation by Google Translate, not legally binding) : en es
  • SU46732A1 - Method and device for determining the location of a leak of a closed volume : en ru
  • FR797537A - Elastic fabric : en fr
  • FR797617A - Pneumatic with double side splash protection strip : en fr
  • FR797493A - Hydraulic binder resistant to fire action : en fr
  • GB446420A - Improvements in or relating to chairs : en
  • BE414501A - : en fr
  • US2038541A - Machine for making bolts and the like : en
  • US2038829A - Fishing bait : en
  • CA357499A - Vending machine : en fr
  • PL22963B1 - Full fertilizer production method. : en pl
  • SU46834A1 - Continuous Machine for Closing Cylindrical Sheet Metal Cans : en ru
  • US2038543A - Header : en
  • US2038956A - Well treating : en
  • US2039261A - Hollow shoe form : en
  • SU46589A1 - Water cooled lance : en ru
  • US2039135A - Landing gear for aeroplanes : en
  • CH183677A - Process for performing chemical and physical processes. : de en
  • CH183685A - Process for the production of a new azo dye. : de en
  • CH183728A - Manual winding device for clocks, in particular vehicle clocks. : de en
  • CH183792A - Electric gas ignition device on a gas burner with a gas tap. : de en
  • CH183867A - Process for the production of a new azo dye. : de en
  • SU46816A1 - Fixture for mounting the car on the platform transporting his carts : en ru
  • CH183751A - Device for creating lines and outlines on flat workpieces. : de en
  • US2038900A - Hosiery : en
  • SU46568A1 - The method of producing tetra-chlorophthalic acid : en ru
  • US2038526A - Transmitter : en
  • US2038620A - Manufacture of ortho-nitro : en
  • SU46541A1 - Method for increasing quality of rosin glycerol esters : en ru
  • US2038866A - Tobacco bunching machine : en
  • ES4088Y - Main application folding seat chair for show halls. : en es
  • FR797743A - Shutter device for apparatus intended for recording or reproducing images : en fr
  • CH183695A - Transportable electroplating device with hand anodes. : de en
  • PL22930B1 - The method of reducing the swelling of mineral suspensions in liquids with a higher specific weight. : en pl
  • SU46751A1 - Dual expansion internal combustion engine : en ru
  • SU46727A1 - Device for measuring the load of wagons : en ru
  • US2038968A - Engine mounting : en
  • CH183858A - Hand puller for shaving off weeds. : de en
  • AU2327935A - A process and a device for manufacturing briquettes by compression : en
  • BE414759A - : en
  • US2038878A - Alarm device : en
  • DE629339C - Voltage-independent heat meter working with auxiliary power source : de en
  • CH183787A - Contact element on electrical discharge tubes. : de en
  • DE629293C - Lifting device for the lids of garbage cans : de en
  • DE629352C - Ship stabilization system with masses that can be moved across the ship : de en
  • BE414336A - Improvements made to pneumatic devices used for surgery, in particular for eye surgery : en fr
  • AU2224235A - An improved indexing device for recording purposes : en
  • CA357424A - Grinder for cylindrical surfaces : en fr
  • CH183684A - Process for the preparation of a polyazo dye. : de en
  • BE414352A - : en
  • US2038767A - System for the storing and handling of volatile or vaporizable liquids : en
  • CA357507A - Belt conveyor : en fr
  • SU46673A1 - Flatting Device for Fibrous Plants : en ru
  • US2038756A - Blow-off device for steam boilers : en
  • US2038998A - Gas tank discharger for airplanes : en
  • US2039155A - Electrical remote control system : en
  • USD99488S - Design for a traffic signal casing : en
  • CA357528A - Windshield heater : en fr
  • GB446436A - Improvements in or relating to game apparatus : en
  • CH183710A - Insert for coffins. : de en
  • US2039138A - Lacrosse racket : en
  • CH183653A - Device for dispensing liquid or paste-like substances in portions. : de en
  • US2038594A - Pulverizing apparatus : en
  • FR797425A - Process for the preparation of monoazo dyes : en fr
  • FR797707A - Quiet Triple Interlocking Door Guide Device : en fr
  • GB446520A - New azo dyestuffs : en
  • CA357491A - Air tight bag : en fr
  • CA357527A - Packing for pump pistons : en fr
  • SU46709A1 - Apparatus for applying terrain plan : en ru
  • US2039090A - Apparatus for and method of manufacturing tie plates : en
  • SU46847A1 - Device for eliminating the effect of dead stroke on the readings of a speed measuring device : en ru
  • PL22993B1 - The method of purifying zinc involves a second distillation for this purpose. : en pl
  • PL23031B1 - A method of producing glass objects with a high silica content and the product thus produced. : en pl
  • SU46793A1 - Balloon : en ru
  • DE629354C - Clamping device for self-loading weapons : de en
  • FR797572A - Radio wave collectors and the like : en fr
  • GB446476A - Improvements in electric switches suitable for use with battery lamps : en
  • FR797647A - Improvements to heating devices or liquid heaters : en fr
  • GB446358A - Improvements in and relating to lamp louvre mountings, especially for motor car headlights : en
  • FR797413A - electrical safety equipment for trains : en fr
  • GB446297A - Improvements in incandescent electric lamps : en
  • CA357367A - Wood preservative : en fr
  • PL23018B1 - Magnetic-electric ignition device. : en pl
  • US2038869A - Joint : en
  • CH183812A - Money controller, especially for vending machines. : en fr
  • PL22973B1 - A device for continuous and direct distillation and rectification of wort containing acetone, ethyl alcohol and butyl alcohol. : en pl
  • SU46522A1 - Combined Regenerative Coke Furnace : en ru
  • AU2176635A - Improvements in and relating to apparatus for testing balance of sports implements : en
  • AU2264035A - Method of producing finely divided metallic layers, more particularly elementary photocell layers : en
  • CH183665A - Laundry machine. : en fr
  • DK51561C - Process for the production of a porous padding consisting of rubber-coated, interconnected fibers. : da en
  • FR46304E - Automatic engine synchronization device, applicable in particular to airplanes : en fr
  • GB446574A - Manufacture of a thiazine dyestuff : en
  • CA357522A - Cuspidor : en fr
  • CA357443A - Governor apparatus : en fr
  • SU46760A1 - Internal Combustion Rocket Engine : en ru
  • US2038776A - Tilt rail suppport for venetian blinds : en
  • US2039159A - Register : en
  • CH183692A - Process for the production of oiled calcium cyanamide. : de en
  • SU46616A1 - Coupling device : en ru
  • US2038986A - Back rolling lock control : en
  • CH183920A - Pneumatic tire support ring. : de en
  • CA357526A - Anti-dazzle device : en fr
  • SU46762A1 - Flexible tube for liquids and gases : en ru
  • US2038830A - Rotary valve for internal combustion engines and the like : en
  • US2038855A - Drying cylinder machine : en
  • US2038969A - Separating zinc and cadmium in sulphate solution : en
  • US2039222A - Sadiron shell and rest construction : en
  • CH183674A - Process for the production of colored juices. : de en
  • CH183656A - Kitchen container, for cooking liquids. : en fr
  • SU46678A1 - Device for removing elastic straps : en ru
  • CH183815A - Vending machine at least one battery store. : en fr
  • SU46792A1 - Method of making photometric stepped wedge : en ru
  • ES141171A1 - A process for the manufacture of a bismuth salt soluble in oils. : en es
  • PL23010B1 - A device for raising and lowering the landing gear. : en pl
  • SU46628A1 - Device for compensating axial pressure in direct current machines : en ru
  • US2039236A - All size rotary web press : en
  • FR797679A - Process for the preparation of sulfuric esters of greasy cholesterins, soluble in water which can act by capillarity and condensed : en fr
  • US2038734A - Bridge practice and instruction board : en
  • US2038961A - Well cleaner : en
  • US2039017A - Portable log sawing machine : en
  • PL22905B1 - A method of producing caps with an inserted disc and a protective washer, intended for closing bottles, and a device for performing this method. : en pl
  • US2038828A - Hat supporting device : en
  • US2038775A - Device for opening sealed containers and dispensing the contents thereof : en
  • US2038959A - Power transmission device : en
  • US2039217A - Nozzle for use in welding thin metal structures : en
  • AU2218535A - Improvements in or relating to television and like receivers and to electrical circuit arrangements suitable for use therein : en
  • GB446348A - Improvements in or relating to lawn tennis or other racquets, and the manufacture thereof : en
  • PL22927B1 - Evaporator for the production of hydrogen peroxide. : en pl
  • PL22948B1 - The connection system for generating ultra-high frequency electric vibrations by means of a discharge lamp containing one cathode and at least two flat electrodes. : en pl
  • FR797747A - Connection device enabling the flow of a liquid or gaseous fluid to be established or interrupted at will from the outside : en fr
  • GB446515A - Improvements in or relating to tiles and wall linings : en
  • US2038660A - Hydraulic beam truck : en
  • CA357393A - Force-feed lubricating apparatus : en fr
  • US2038898A - Aircraft brake : en
  • US2039157A - Warp-tying machine : en
  • SU46787A1 - Fixture for communicating intermittent motion to a movie in a camera : en ru
  • US2038806A - Doctor's stool : en
  • US2039095A - Automobile brake : en
  • PL23020B1 - A device for flexible mounting on wheel sets of carriages or mine carts. : en pl
  • US2038781A - Combined displaying and dispensing device for linear articles : en
  • US2039069A - Corrosion resisting rubber coated article : en
  • US2038596A - Hydraulic shock absorber : en
  • USD99431S - Design for a floor radiator : en
  • PL22947B1 - A connection system using a multi-reticulated lamp, used for straightening or modulating and at the same time producing high frequency vibrations. : en pl
  • SU46661A1 - Pickering metal nozzle : en ru
  • US2039038A - Control system : en
  • ES141150A1 - A device for cutting conical gears to vertical milling cutter. : en es
  • PL23015B1 - The method of producing azo dyes. : en pl
  • US2038984A - Automobile back-rolling device : en
  • CA357444A - Heat exchanger : en fr
  • CH183714A - Anti-skid pad of metal for skis. : de en
  • SU46590A1 - Method of air heating of a bunker room at blast furnaces : en ru
  • US2038832A - Convertible sofa and bed : en
  • US2038584A - Food container and method of preparing the same : en
  • US2038757A - Method and apparatus for mining sulphur : en
  • US2039030A - Electric water heating system : en
  • AU2301035A - Improvements in and relating tothe pickling of metal products such as sheet iron : en
  • GB446238A - Improvements in attachments for rotary-spindle metal-cutting machines : en
  • GB446263A - Television arrangement, more particularly for projection and kinematograph purposes : en
  • GB446305A - Improvements in the purification of alcohols : en
  • CH183722A - Calculating machine controlled by counting cards with device for automatic card group control. : de en
  • US2038587A - Hydraulic shock absorber : en
  • US2038786A - Necktie forming device : en
  • PL22938B3 - Automatic device for adjusting brake rods, especially for the brakes of railway carriages. : en pl
  • US2038590A - Zinc sulphide pigments and method of making the same : en
  • SU46684A1 - Metal Portable Furnace : en ru
  • US2038669A - Time delay mercury switch : en
  • US2039182A - Reproducing system : en
  • US2039022A - Necktie holder : en
  • US2039207A - Drawing portfolio : en
  • US2038805A - Grate : en
  • US2039192A - Bearing for the trunnions of ladles and the like : en
  • ES141177A1 - Improvements in continuous furnaces for glass melting. : en es
  • FR797479A - Stabilizer device for helicopter or lift rotor type aircraft : en fr
  • GB446274A - Improvements in fuel injection devices for internal combustion engines : en
  • FR797626A - Acetylene manufacturing process : en fr
  • SU46799A1 - Snow and water buer : en ru
  • US2038680A - Shock absorber : en
  • US2038746A - Electrically controlled automatic weighing device for paving plants : en
  • US2039263A - Process for the manufacture of bands, threads, and the like : en
  • SU46577A1 - The method of mirror heating of the resin : en ru
  • BE414531A - Safety device for extraction machines, in particular with pulleys, of the Koepe system : en fr
  • CH183857A - Train protection device. : de en
  • PL22901B1 - Device on the collar and on the hem of the shirt, replacing the back clip. : en pl
  • US2038602A - Chuck : en
  • US2038558A - Manufacture of synthetic resins of petroleum origin : en
  • AU2304535A - Folding stencil pack and assembly frame : en
  • CA357396A - Grain car door : en fr
  • ES141162A2 - IMPROVEMENTS OR IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE MAIN PATENT : en es
  • AU2324135A - Improvements relating to underframes or substructures of road vehicles : en
  • BE414532A - Low pulse coefficient spark gap device : en fr
  • CH183896A - Process for the preparation of a dye. : de en
  • SU46788A1 - Film reel : en ru
  • US2038974A - Hydraulic jack : en
  • US2038896A - Overload release coupling : en
  • DE629461C - Lorry with a convertible top : de en
  • US2038657A - Method for making gas : en
  • US2039081A - Apparatus for the carbonization or heat treatment of solid materials : en
  • CH183759A - Internal combustion free-piston engine system. : de en
  • CH183914A - Power strip. : de en
  • SU46683A1 - Method of drawing pictures on glass, porcelain or fa ns : en ru
  • CH183911A - Process for the production of multicolor photographs and cinema pictures. : de en
  • PL22950B1 - Hydraulic pedal. : en pl
  • PL22991B1 - Light gas leakage protection device. : en pl
  • SU46743A1 - Flax Cleaning Machine : en ru
  • US2038926A - Electrode supporting structure : en
  • US2039130A - Concealed hinge : en
  • US2038539A - Antenna : en
  • GB446195A - Improvements relating to crepe fabrics : en
  • PL22979B1 - Knife bar target in mowers. : en pl
  • US2038844A - Foot protector : en
  • US2039067A - Copper-antimony or copper-bismuth coated ferrous metals : en
  • GB446404A - Improvements in or relating to the treatment of textile materials : en
  • US2039072A - Printing device : en
  • US2039091A - Vehicle wheel : en
  • BE414216A - PROCESS AND CABINET FOR THE ACTIVATED CULTURE OF PLANTS : en fr
  • CA357392A - Strap fastener : en fr
  • BE414579A - : en
  • SU46840A1 - Pneumatic drive unit : en ru
  • US2038820A - Cutting or welding machine : en
  • SU46671A1 - Method for making flat belts and belt links from livestock intestines : en ru
  • AU2266135A - Method of making patterned flooring boards : en
  • GB446446A - Improvements in and relating to apparatus for straightening wefts in fabrics : en
  • CH183913A - Box frame for stationary internal combustion engines. : de en
  • CA357420A - Acoustical wall covering : en fr
  • CA357515A - Toy motion picture projector : en fr
  • CH183796A - Sunbathing facility. : de en
  • CH183908A - Process for the preparation of a carbocyanine dye. : de en
  • CH183790A - Safety device for stopping the admission of gas to a burner in the event of accidental extinction of the gas. : en fr
  • CA357446A - Tabulating machine : en fr
  • CH183624A - Electric water heater. : de en
  • DE629325C - Brown glass tube for oscillographic purposes with tube-shaped anode and a screen attached to it : de en
  • DE629350C - Device for cooling internal combustion engines for aircraft : de en
  • SU46832A1 - The method of hydrolysis of wood : en ru
  • CA357406A - Drill oiler : en fr
  • CH183834A - Folding box erected by a single movement of the operator. : en fr
  • US2038551A - Method of electroplating zinc on cadmium zinc alloys : en
  • SU46581A1 - The method of purification of sludge from resinous substances : en ru
  • SU46726A1 - Mate Dynamometer : en ru
  • US2038821A - Shutter control for internal combustion engines : en
  • US2038640A - Process of treating lubricating stocks containing amorphous wax : en
  • US2039146A - Machine tool : en
  • GB446317A - Improvements relating to the fixing of interchangeable or detachable buttons on uniforms and other garments : en
  • GB446408A - Arrangement for measuring x-ray quantities or for the control of the exposure time in radiographic exposures : en
  • US2039152A - Adjustable bearing : en
  • USRE19948E - Refrigerator : en
  • SU46761A1 - Check valve for grease fitting to steam engine : en ru
  • US2038595A - Rock drill feeding means : en
  • US2038810A - Circular-saw machine : en
  • US2038938A - Antenna coupling system : en
  • CH183825A - Modulation method. : de en
  • SU46540A1 - Chemical reaction device : en ru
  • SU46848A1 - Two way valve for gas lines : en ru
  • US2038576A - Frozen confection wrapper : en
  • US2038704A - Recovery of alkyl lead compounds : en
  • US2039107A - Radio receiving system : en
  • PL23008B1 - Braun tube with mains connection device. : en pl
  • CH183638A - Automatic chimney draft regulator with a control element designed as a flap. : de en
  • US2039124A - Rumble deck and cover construction : en
  • US2039154A - Electrolytic condenser : en
  • US2039162A - Kneading machine for margarine and the like : en
  • SU46710A1 - A device for determining the weight of a liquid in a tank by the pressure it produces to the bottom of the tank : en ru
  • US2038848A - Sewing machine : en
  • US2039084A - Electric clock apparatus : en
  • SU46515A1 - Wire Clips Machine : en ru
  • SU46530A1 - The method of using organic substances from the vapor and water obtained by peat dehydration : en ru
  • DE629359C - Brake conveyor with a baffle disc belt running around in a duct which is provided with lateral loading openings : de en
  • GB446386A - Improvements in and relating to methods of forming ceramic products : en
  • PL23007B1 - A kneader with a device for heating or cooling the kneaded materials, especially explosives. : en pl
  • PL22909B1 - A method for fractionated distillation and an apparatus for carrying out the method. : en pl
  • PL23027B1 - : en pl
  • US2039167A - Welding electrode : en
  • US2038689A - Solid lubricant : en
  • US2039064A - Polyketo fatty acid body : en
  • BE414291A - : en fr
  • CA357445A - Heat exchanger : en fr
  • SU46507A1 - Instrument for testing formations in oil and gas wells : en ru
  • PL22960B1 - Landing gear for airplanes. : en pl
  • SU46647A1 - The method of obtaining paint for label : en ru
  • CH183904A - Process for the preparation of a carbocyanine dye. : de en
  • CH183814A - Device for the distribution of information. : en fr
  • SU46555A1 - Method and apparatus for converting yellow phosphorus to red : en ru
  • SU46707A1 - Machine for washing felts : en ru
  • CA357486A - Coated copper article : en fr
  • CH183701A - Process for transferring images from printing films to metal printing cylinders and molettes. : de en
  • BE414283A - : en
  • DE629468C - Air heater : de en
  • DK51572C - Furnace for the production of a mixture of distillation gas and water gas. : da en
  • DE629342C - Protection device for the cutting edge of scythes, sickles, etc. like : de en
  • DK51565C - Three-axle motorway drum. : da en
  • FR797423A - Quilted blanket : en fr
  • DE629297C - Process for eliminating the hydrocarbon-related difficulties in the recovery of krypton and xenon from air by rectification : de en
  • US2039008A - Method of making a material for absorbing sound : en
  • US2039204A - Machine for making reenforced concrete beams : en
  • FR797689A - Process for firing porcelain in tunnel kilns with electric or indirect heating, and apparatus for its realization : en fr
  • SU46759A1 - Internal combustion engine : en ru
  • GB446266A - Improvements in and relating to free wheel brake hubs : en
  • ES4052Y - Ironwork. : en es
  • CH183783A - Process for the production of a magnetic material with an almost straight magnetization curve. : de en
  • CH183907A - Process for the preparation of a carbocyanine dye. : de en
  • AU112536A - Improvements in electric discharge lamps : en
  • FR797573A - Pressurized pipe drilling machine without loss of fluid : en fr
  • FR797669A - Drilling machine with one tool or several tools working simultaneously : en fr
  • GB446203A - Improvements relating to machines for grading eggs or other goods according to weight : en
  • SU46591A1 - Method of work on changing ballast on the way and on repair of the earth bed without interrupting the movement of trains : en ru
  • US2039259A - Carrying out catalytic reactions : en
  • CA357432A - Cream separation : en fr
  • DE629380C - Fastening of the pinion on rail engines by shrinking : de en
  • PL23011B1 - : hkiss & Lie. Cables on wheels for guns or machine guns. : en pl
  • BE413574A - : en fr
  • FR797673A - Improvements to utensils and metal sheets from which they can be made : en fr
  • US2038578A - Air conditioning apparatus : en
  • CA357421A - Acoustical wall covering : en fr
  • CH183746A - Adjustable guide block for long workpieces to be machined on machine tools. : de en
  • AU76336A - An improved gas producer plant for tractors and the like : en
  • CH183851A - Vehicle that can move by sliding and rolling on rails. : en fr
  • US2039169A - Rolling mill guide : en
  • SU46644A1 - The method of obtaining vat green dye : en ru
  • CA357511A - Lubrication apparatus : en fr
  • CH183608A - Method and syringe for killing animal pests. : de en
  • US2039033A - Cigarette wrapping machine : en
  • US2039104A - Acoustic time delay system : en
  • CH183821A - Self-seller with inserting device for various types of coins and especially for electricity. : de en
  • IE14362L - Chemical treatment of fibrous material : en
  • FR797620A - Safety and emptying device for movable fuel tanks : en fr
  • FR797734A - Circulating water heater : en fr
  • FR797742A - Liquid fuel lighter : en fr
  • GB446208A - Improved pneumatic percussive tool : en
  • FR797518A - Heating device and installation including application : en fr
  • GB446351A - Improvements in pianofortes : en
  • GB446426A - Machine for mills for cleaning, husking, rolling or grinding corn and the like : en
  • SU46505A1 - Centrifugal Thickener : en ru
  • SU46699A1 - The method of obtaining colloidal casein solution from waste galalit : en ru
  • US2038782A - Abrasive element and method of making same : en
  • US2039068A - Rubber adherent article : en
  • CA357461A - Wattmeter : en fr
  • GB446749A - Improvements in and relating to illuminated dials for wireless receivers and like devices : en
  • US2038567A - Exhaust consumer : en
  • FR46322E - Jewel to another article that can be fixed in the hair, on fur, bangs, etc. : en fr
  • GB446430A - Improvements relating to gas heated air heating apparatus : en
  • US2039198A - Gun carriage : en
  • CH183897A - Process for the preparation of a dye of the triarylmethane series. : de en
  • GB446359A - Improvements in hydraulic turbines : en
  • GB446452A - Improvements in or relating to electron tubes or valves : en
  • GB446528A - Improvements in or relating to atomising, spraying, fumigating, deodorising, perfuming and like devices : en
  • CA357518A - Milk bottle holder : en fr
  • FR46306E - Installation for the reproduction of lenticular grating films : en fr
  • SU46518A1 - Method of fixing substantive-mordant dyes on fibrous materials : en ru
  • SU46814A1 - Wire Binding Machine : en ru
  • FR797424A - Advanced metal frame for windows and similar bays : en fr
  • FR797543A - Improvements to tracked vehicles : en fr
  • FR797714A - Advanced aluminum alloy : en fr
  • AU124436A - Improvements in or relating to insecticides : en
  • FR797529A - Improvements to oscillographic measurement devices : en fr
  • CA357429A - Fluid cleaning apparatus : en fr
  • DE629333C - Domestic water heater combined with a hot water heating system : de en
  • DE629337C - Polar planimeter : de en
  • GB446189A - Improvements in and relating to control devices for imparting longitudinal movements : en
  • GB446350A - Improvements in ophthalmoscopes, auriscopes and other portable instruments having small electric lamps : en
  • FR797601A - Improvements in the manufacture of slipper soles : en fr
  • GB446409A - Improvements in and relating to machines for welding wires : en
  • FR797401A - Mechanical winged fins for easy swimming : en fr
  • FR797622A - Method and device for determining radiation and applicable in particular in radiography : en fr
  • GB446201A - Improvements in prepayment meters : en
  • GB446190A - Improvements in and relating to sealing containers : en
  • FR797476A - Improvements to steam generators heated by mechanical chargers : en fr
  • CH183604A - Phytosanitary hat. : de en
  • FR797502A - Landscaping device for deflecting projectile shards : en fr
  • FR797594A - Shift for two speeds, particularly applicable to automobiles : en fr
  • PL22999B1 - A method of producing magnesium carbonate and carbon dioxide from dolomite. : en pl
  • SU46527A1 - Peat extraction method : en ru
  • FR797547A - electrolyte for electric accumulators and other applications : en fr
  • FR797633A - New articles of natural or synthetic rubber or similar materials and process for their manufacture : en fr
  • FR797612A - Process for the preparation of purified glycyrrhizin : en fr
  • FR797526A - Improvements to roller shutters and the like : en fr
  • US2038788A - Process for the production of fertilizer material : en
  • US2039191A - Rubber derivatives : en
  • US2039219A - Haemacytometer : en
  • US2039238A - Condensation derivatives of rubber : en
  • DE629388C - Process for the production of oxygen-free copper : de en
  • FR797512A - Liquid filter : en fr
  • GB446284A - Improvements in or relating to rotary internal combustion engines : en
  • US2038851A - Hook : en
  • US2038860A - Differential for roving frames and the like : en
  • US2039092A - Rail vehicle tire : en
  • US2039195A - Printing member : en
  • GB446406A - Improvements in or relating to food-serving appliances : en
  • DE629382C - Process for converting direct current into alternating current or alternating current at a different frequency : de en
  • USD99453S - Design for textile fabric : en
  • FR797454A - Improvements to blinds made of wooden slats : en fr
  • GB446473A - Apparatus on motor vehicles for regulating the admission of hot or fresh air : en
  • SU46625A1 - Device for controlling a rolling motor reversible : en ru
  • DE629364C - Process for the production of a substance layer from selenium or substitutes for photocells or dry rectifiers : de en
  • FR797451A - Incision method on cylinders for printing fabrics : en fr
  • GB446496A - Improvements appertaining to doffing mechanism for flyer spinning, doubling, twisting and like machines : en
  • PL22920B1 - A method of rolling thin-walled tubes with a small diameter. : en pl
  • US2039233A - Automobile body : en
  • PL23005B1 - Mechanical device for making corrections to the position of the airframe by means of optical, acoustic or other sights. : en pl
  • SU46641A1 - The method of obtaining azo dyes : en ru
  • US2039133A - Attachment for knitting machines : en
  • FR797568A - Microphone refinements : en fr
  • GB446510A - Apparatus for automatically recording the speed of and the distance travelled by a motor driven road vehicle : en
  • US2038923A - Machine for producing tufted articles : en
  • SU46838A1 - Apparatus for continuous production of explosive mercury : en ru
  • US2038798A - Solvent refining of hydrocarbon oil : en
  • CH183885A - Process for the production of an anthraquinone derivative. : de en
  • FR797563A - Double magnetic igniter : en fr
  • CA357402A - Shirt : en fr
  • CA357463A - Regulating transformer : en fr
  • FR797599A - Wood cutter : en fr
  • CH183731A - Electric timepiece. : en fr
  • FR797466A - Support plate for removable price marks : en fr
  • FR797607A - Improvements to machines for collecting materials in piles : en fr
  • GB446481A - Improvements relating to dynamic balancing machines : en
  • DE629291C - Window or similar closure : de en
  • US2038550A - Method of electroplating cadmium on cadmium-zinc alloys : en
  • FR797585A - Interdependent control devices with signal repetition : en fr
  • DE629498C - Procedure for the timely detection of stresses in the mountains or changes in them : de en
  • US2038650A - Bag filling and weighing machine : en
  • GB446457A - Improved machine for rolling tea or the like : en
  • DE629397C - Closure for container : de en
  • CH183713A - Steerable, single-skid standing sledge. : de en
  • FR46316E - Tar-bitumens and their manufacture : en fr
  • GB446360A - Improvements in or relating to machine guards : en
  • US2038559A - Treatment of sludges : en
  • US2039061A - Ironing machine : en
  • US2039242A - Glass feeding method and apparatus : en
  • FR797418A - Azo dyes manufacturing process : en fr
  • FR797640A - Device for adjusting the tension of torsion springs for motor vehicles : en fr
  • GB446373A - Process for the production of the borates of zinc, tin or copper : en
  • SU46656A1 - Method of making glass bonding composition : en ru
  • AU2217535A - Improved apparatus for recovering gold orthe like : en
  • AU2541035A - Improvements in and relating tothe driving mechanism of mixers and beaters for liquids and semi-liquids : en
  • BE414537A - : en
  • CH183761A - Reversible opposed piston two-stroke internal combustion engine. : de en
  • FR797683A - Manufacturing process of novel anthraquinone dyes and resulting products : en fr
  • US2038661A - Metal can body : en
  • US2038887A - Lubricated valve : en
  • CH183804A - Electric suction device for draining wound and body cavities. : de en
  • DE629374C - Register strip for producing typesetting which has lines of symbols to be photoelectrically scanned in the transverse direction : de en
  • FR797496A - Device for indicating, measuring and recording wind speed and direction, for aerodromes and other applications : en fr
  • GB446441A - Improvements in or relating to wireless aerials : en
  • GB446538A - Improvements in devices for conveying objects being treated in continuously operating furnaces : en
  • CH183732A - Clock with synchronous motor monitoring the speed regulator. : de en
  • FR797715A - Elastic wheel : en fr
  • GB446516A - Improvements in steam superheaters : en
  • AU2467035A - Improved means for retaining Windows or panels within their frames or surrounds : en
  • US2038735A - Flat knitting machine : en
  • ES4616U - A metal siphon for sinks (Machine-translation by Google Translate, not legally binding) : en es
  • DE629341C - Machine for lowering plants : de en
  • US2038864A - Slicing and packing machine : en
  • AU2261035A - Improvements in or relating to knitting machines : en
  • CH183683A - Process for obtaining the proteins contained in liming broths. : de en
  • SU46694A1 - Machine for sharakhovki velokamerov : en ru
  • GB446390A - Bird scaring vane : en
  • CA357462A - Chain link blank forming apparatus : en fr
  • US2039014A - Release mechanism for aeroplane flotation devices : en
  • USD99485S - Design fob a brush : en
  • US2038769A - Toy : en
  • GB446380A - Improvements in or relating to chamber ovens : en
  • GB446440A - Improvements in and relating to the mounting of electric insulators : en
  • PL23017B1 - The method of removing starch paste from fabrics using amylase preparations. : en pl
  • SU46579A1 - The method of purification of sulfate turpentine : en ru
  • US2039035A - Manually operated traveling barrier carrier : en
  • GB446322A - Improvements in or relating to extrusion presses with electrically heated receivers for the production of metallic tubes and rods : en
  • GB446198A - An improved brush holder : en
  • GB446242A - An improved method of, and means for, transferring liquefied combustible gases : en
  • US2038791A - Core drill : en
  • SU46688A1 - The method of connection in the joints of tubular reinforcement of reinforced concrete structures : en ru
  • FR797509A - Installation for controlling and locking the sluice gates : en fr
  • CA357524A - Locking spring clip : en fr
  • US2038962A - Marking device : en
  • USD99470S - Design fob a lace tablecloth : en
  • DE629344C - Blow bar threshing machine : de en
  • FR797576A - Use, in photomechanical reproductions, of mineral salts of organic acids forming sensitive varnishes : en fr
  • GB446461A - Improvements connected with change speed gearing : en
  • GB446579A - Improvements in exhaust silencers : en
  • BE414361A - Apparatus for sorting and distributing coins, tokens and the like : en fr
  • GB446243A - Improvements in and relating to the assembling mechanism of typographical composing machines : en
  • GB446236A - Improvements in or relating to sliding roofs for vehicles : en
  • CH183663A - Power transmission device, in particular for sewing machines. : de en
  • USD99441S - Design for a bathroom bracket : en
  • FR46334E - Tubular chain with limited flexion : en fr
  • AU2313135A - Improvements in or relating to photographic roll-film cameras : en
  • CA357400A - Cellulose ether composition : en fr
  • CA357427A - Concrete pump feeding apparatus : en fr
  • FR46310E - Fluid brake adjustment device (air, vacuum or liquid) allowing the braking force to be proportioned to the vehicle load : en fr
  • GB446465A - Improvements in dust containers for vacuum cleaners : en
  • GB446566A - Improvements in muzzle recoil checks for guns : en
  • GB446193A - Improvements in or relating to driving sprockets for sound film apparatus : en
  • GB446567A - Improvements in or relating to lubricants and method of making the same : en
  • GB446235A - Improvements in connecting means for the troughs of scraper conveyors : en
  • ES4095Y - Column-shaped hanger. : en es
  • FR46311E - Device for controlling electric discharge devices using a differential method : en fr
  • FR797662A - Construction method of hangar or similar building : en fr
  • GB446417A - A dust-excluding plate or block for fitting into interior corners : en
  • GB446437A - Improvements in book markers : en
  • FR797593A - New method of modulating an electric current applicable in particular to sound-reading devices : en fr
  • GB446368A - New insecticide and anticryptogamic products of nicotine base and method of preparing the same : en
  • GB446550A - Improvements in and relating to electric hotplates : en
  • GB446407A - Improvements in or relating to jars : en
  • CH183828A - Advertising still. : de en
  • SU46724A1 - A device for determining heat transfer from the water surface : en ru
  • GB446306A - Improvements in thimble tube boilers and water heaters : en
  • GB446479A - Improvements in and relating to refrigerating machines : en
  • DE629288C - Master pressure cylinder for hydraulic braking devices, especially for motor vehicles : de en
  • FR797657A - Fire extinguisher chamber for electrical switches : en fr
  • GB446388A - Improvements in spinnerets : en
  • CH183699A - For filing receipts, prepared booking notices, etc. : de en
  • CH183726A - Device for converting electrical vibrations into mechanical vibrations or vice versa and method for manufacturing the device. : de en
  • SU46711A1 - Automatic Scales : en ru
  • GB446559A - Improvements in or relating to smoothing filters : en
  • GB446519A - Photographic roll-film camera : en
  • GB446554A - Improvements in refrigerating apparatus particularly for hardening bars of ice cream or other comestible : en
  • DK51564C - Procedure for Adding Sulfur to Substances of Double or Multiple Aliphatic Bonds. : da en
  • US2038556A - Liquid composition containing rubber : en
  • US2038666A - Advertising novelty : en
  • IE13531L - Perambulators, etc : en
  • DE629286C - Method and device for adapting the upper thread tension to the lower thread tension in sewing machines : de en
  • CH183762A - Rotary piston internal combustion engine with slide pistons rotating between two concentric guide drums. : de en
  • US2038656A - Capacitor mounting : en
  • US2038699A - Pedestrian's signal : en
  • US2039256A - Process of treating refinery sludges or slimes containing selenium and tellurium : en
  • FR797517A - Improved mechanism for pressure loading and similar operations, applicable in particular to household refuse vehicles : en fr
  • FR797677A - Automatic electric boiler with temperature auto-switch : en fr
  • FR797697A - Improvements to mannequins for sewing : en fr
  • GB446514A - Improvements in or relating to apparatus for radio communication : en
  • CH183769A - Suspension for electric cables. : de en
  • CH183899A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • US2038936A - Plow : en
  • US2038957A - Washing article and process of producing same : en
  • US2038992A - Modulating system for ultra short waves : en
  • US2039102A - Control system for gaseous discharge devices : en
  • CH183755A - Elevator system. : de en
  • FR797726A - Improvements made to safety devices triggered by temperature variations, in particular those for gas burners : en fr
  • GB446438A - A new or improved method of and means for securing petrol tanks on motor cycles : en
  • US2039141A - Gauge and method of making the same : en
  • US2038883A - Brake control apparatus : en
  • FR46325E - Method and apparatus for concentrating and pasteurizing fermented wines : en fr
  • FR797552A - accelerated circulation vertical evaporator for cold production : en fr
  • US2039269A - Draft rigging : en
  • PL22907B1 - A method of producing permanent chrome-plated dyes of the anthraquinone series for wool. : en pl
  • SU46513A1 - Screw insert : en ru
  • US2039166A - Spading wheel tractor : en
  • FR797501A - Counter device with instantaneous reset, more particularly applicable to automobiles for the production of the daily odometer : en fr
  • US2039243A - Production of artificial resins : en
  • USD99437S - Design for a stove : en
  • DE629446C - Device for extracting ash from furnaces and flues : de en
  • FR797739A - Improvements made to assemblies comprising control systems between two members or devices, in particular to gyroscopic vertical devices : en fr
  • BE414218A - Protection device against the increase in voltage which may appear at the terminals of traction motors : en fr
  • PL22908B1 - A method of making hollow blocks, closed on all sides, and a press outlet device for carrying out this method. : en pl
  • SU46682A1 - Centrifugal pipe casting machine : en ru
  • US2039239A - Treating hydrocarbon oils : en
  • US2039270A - Draft rigging : en
  • GB446224A - Improvements in wrapping : en
  • DE629481C - Lining for vaults of high-temperature ovens, such as electric steel or Siemens-Martin ovens : de en
  • GB446616A - Improvements in the distillation of coal : en
  • FR797478A - Fire protection device for airplanes and flying devices : en fr
  • FR797497A - Firing pin for extra-sensitive percussion flares : en fr
  • CA357389A - Stairs : en fr
  • US2038822A - Dispensing cabinet : en
  • FR797540A - Improvements to self-propelled vehicles or the like for use on railways : en fr
  • GB446532A - Manufacture of aminotrifluoromethyl-aryl-sulphonic acids : en
  • USD99461S - Design for a packer jar : en
  • DE629384C - Process for the hot carburizing of gases : de en
  • FR797681A - Improvements to remote controls and feeders for use in radiocommunication systems or similar high frequency systems : en fr
  • SU46532A1 - Multicase evaporator with heat recovery of juice vapors : en ru
  • SU46586A1 - Steam double-piston piston : en ru
  • US2038670A - Method of fixing turbine blades in place : en
  • US2039088A - Beehive : en
  • SU46777A1 - Bending device at right angles : en ru
  • SU46635A1 - Electronic lamp : en ru
  • SU46615A1 - Device for determining the speed of movement : en ru
  • SU46735A1 - A device for cutting beet tops, etc. : en ru
  • US2038801A - Method of making a structural unit : en
  • SU46648A1 - The method of obtaining oil and varnish pastes of Prussian blue (Milori) : en ru
  • DK51560C - Method and Apparatus for Manufacturing Filter Nozzle Cigarettes. : da en
  • US2039211A - Propeller manufacture : en
  • PL23016B1 - Multilayer underliner. : en pl
  • US2038945A - Volume control for musical instruments : en
  • US2039229A - Film forming mechanism : en
  • SU46667A1 - Grate : en ru
  • US2038834A - Process for converting hydrocarbons : en
  • US2039228A - Moistureproof transparent material : en
  • US2038768A - Instrument : en
  • SU46529A1 - Peat Coagulation Method : en ru
  • SU46614A1 - Contact detector : en ru
  • CH183627A - Mold intended for the manufacture of blocks in agglomerated material. : en fr
  • AU2279035A - Means for attaching tools to harrow and the like tines : en
  • PL22910B1 - A method of giving the surface of aluminum objects a high ability to reflect light. : en pl
  • US2039001A - Testing system : en
  • CH183739A - Process for the electrical welding of the longitudinal seams of pipes. : de en
  • CH183859A - Alkaline mixture used for bleaching, washing, cleaning and rinsing. : de en
  • CA357369A - Air-driven electric plant : en fr
  • CA357465A - Metal culvert : en fr
  • PL23022B3 - A device for peeling and polishing all kinds of grains and legumes. : en pl
  • SU46601A1 - Switch : en ru
  • CH183817A - Self-seller for piece goods. : de en
  • US2038964A - Bumper : en
  • US2038967A - Composite building unit : en
  • BE414724A - : en fr
  • ES141155A1 - Improvements in the electric devices for gas discharge. : en es
  • GB446303A - Improvements in or relating to toothbrushes : en
  • US2038778A - Liquid spraying device : en
  • US2038808A - Glass gathering and molding apparatus : en
  • US2039161A - Method of and mechanism for trimming the doctor blade of a printing press : en
  • US2039268A - Draft rigging : en
  • SU46758A1 - Diesel-rocket transport propeller : en ru
  • US2039212A - Side windshield : en
  • AU2382435A - Improved machine forthe gathering and harvesting of clover trefoil-burr, andthe like : en
  • CA357475A - Petroleum distillate processing : en fr
  • US2039094A - Electrical precipitation apparatus : en
  • CH183887A - Process for the production of an anthraquinone derivative. : de en
  • CA357437A - Non-permeable coating : en fr
  • CH183868A - Process for the production of a new azo dye. : de en
  • US2038815A - Lamp bowl retainer and the like : en
  • SU46559A1 - The method of obtaining ammonium nitrate : en ru
  • US2039237A - Knitting machine : en
  • CH183605A - Garden sign. : de en
  • SU46815A1 - Seal : en ru
  • USD99452S - Design for textile fabric : en
  • DE629260C - Watering bucket for distributing thick asphalt and tar masses, especially on road surfaces : de en
  • CH183641A - Electric oven. : de en
  • GB446285A - Improvements in the manufacture of porous blocks from chlorinated rubber : en
  • GB446454A - Improvements relating to automatic telephone systems : en
  • CH183738A - Process for the production of hard metal bodies from powdered hard materials and an auxiliary metal connecting them. : de en
  • SU46729A1 - Device for graduation strain gauges : en ru
  • CA357405A - Paper stock regulation : en fr
  • US2038914A - Optical system for observing displacement or deflection in connection with measuring instruments : en
  • USD99492S - Design fob a bottle ob similab : en
  • PL22986B1 - Lined collar. : en pl
  • US2038546A - Method and apparatus for distillation and extraction : en
  • SU46693A1 - A device for grabbing roundwood, centering it and transferring it to a processing machine : en ru
  • GB446387A - An improved process for the production of semi-coke : en
  • PL22978B1 - Push-button device for mower knives. : en pl
  • US2038875A - Hat : en
  • US2038930A - Digging apparatus : en
  • US2039253A - Dirigible headlights for automobiles : en
  • CH183756A - Control device with servomotor for automatically controlling a closing element arranged in a pressure line, in particular in a long centrifugal pump pressure line, depending on the pressure prevailing in the pressure line. : de en
  • CH183810A - Exhalation lip valve. : de en
  • CA357376A - Furnace wall : en fr
  • CH183617A - Closing device on containers, in particular for receiving rubbish and other waste. : de en
  • CH183626A - Process for regulating the temperature of a room heated by a heating system with a large heat absorption capacity. : de en
  • US2038548A - Method of coating metal : en
  • CH183680A - Process for the production of highly concentrated nitric acid from dilute nitric acid. : de en
  • SU46825A1 - Sludge flushing device : en ru
  • CH183811A - Process for generating air foam, in particular for fire-fighting purposes. : de en
  • SU46776A1 - Board to the falling friction hammer : en ru
  • US2038662A - Apparatus for transporting sheets of glass : en
  • US2038861A - Apparatus for producing hollow concrete pipes and the like : en
  • USD99463S - Design for a glove : en
  • USD99474S - Design for a tire : en
  • CH183806A - Transportable hair dryer. : en fr
  • US2038759A - Manufacture of type-wheels : en
  • US2038794A - Burial vault locking mechanism : en
  • US2038856A - Yarn or thread gassing machine : en
  • USD99458S - Design for textile fabric : en
  • CA357440A - Hydrocarbon purification : en fr
  • CH183782A - Method and device for searching for cracks in texture in parts of the ground lying below the surface. : de en
  • CH183836A - Container for storing easily evaporating liquids. : de en
  • AU2219435A - Improvements in or relating tothe roughening of parts of shoes : en
  • BE414353A - Weed killing agents : en fr
  • CA357390A - Detachable bit and drill : en fr
  • DE629381C - DC generator for operating an electric arc : de en
  • FR797646A - Control device for vehicles, in particular for vehicles with trolleys and the like : en fr
  • AU2255035A - An improved gas producer plant for tractors andthe like : en
  • CA357487A - Potato planting machine : en fr
  • SU46818A1 - Device for lifting and tipping cargo tubs : en ru
  • US2039189A - Tentering machine : en
  • CH183764A - Drive coupling for fuel pumps of injection internal combustion engines with variable speed. : de en
  • PL22919B1 - A method of thermal production of magnesium and a device for the purpose of this gel. : en pl
  • US2038698A - Hat cleaning device : en
  • US2038970A - Circuit breaker plug : en
  • SU46698A1 - The method of vulcanization of rubber : en ru
  • BE414592A - : en
  • DE629304C - Scanning device for optical sound films : de en
  • US2039188A - Refrigerating apparatus : en
  • PL22970B1 - Exposed high voltage overhead cable. : en pl
  • PL22935B1 - Method for the preparation of 4-amino-3,4'-dinitro-diphenylamine. : en pl
  • SU46544A1 - Laboratory Electrolyzer for Hydrogen and Oxygen Production : en ru
  • PL22974B1 - Spark plug for internal combustion engines. : en pl
  • SU46685A1 - Plunger for central water heating systems : en ru
  • SU46697A1 - The method of obtaining substitutes for rubber : en ru
  • SU46763A1 - Device for automatic control of the power of the reservoir : en ru
  • US2038809A - Combine baler : en
  • USRE19947E - Garment protector : en
  • DE629387C - Coffee grinder : de en
  • SU46748A1 - A method of making a composition for controlling plant pests : en ru
  • CH183625A - Hot water generator for room stoves. : de en
  • DE629186C - Electric alternator for bicycles : de en
  • SU46783A1 - Method of making papier-mache products : en ru
  • AU158136A - Improvement in high-frequency coupling systems : en
  • US2039144A - Combination road parting strip and sealing cap : en
  • US2038603A - Stop flutter device : en
  • US2038665A - Gear grinding machine : en
  • CH183716A - Room temperature controller. : de en
  • FR797443A - Method and device for exploring images using a light beam : en fr
  • FR797527A - New seat convertible into bed : en fr
  • SU46535A1 - Multi-disc nozzle for cylinders of centrifugal emulsifiers : en ru
  • US2038785A - Carburetor : en
  • PL23023B1 - Gluing method. : en pl
  • SU46753A1 - Starting device for internal combustion engines : en ru
  • CA357409A - Centrifugal moulding machine : en fr
  • FR797718A - Process for the preparation of a bituminous material specially intended for road construction : en fr
  • GB446571A - Improvements in or relating to apparatus for the employment in internal combustion engines of fuel less inflammable than petrol : en
  • PL22936B1 - Device for adjusting the near and distance switch. : en pl
  • PL23039B1 - Method for obtaining non-agglutinating suspensions of animal tissue cells. : en pl
  • SU46640A1 - Electrode for spot welding machines : en ru
  • SU46839A1 - Apparatus for accelerating heating of cathodes of lamps : en ru
  • US2038725A - Car window construction : en
  • USD99444S - Tooth paste and brush holder : en
  • USD99482S - Design for textile fabric : en
  • FR46336E - Method of forming coils on continuous spinning or twisting looms : en fr
  • CA357489A - Apparel protector : en fr
  • BE414290A - Process for the production of citric acid : en fr
  • DE629196C - Process for the preparation of ortho-ª ‡ -thiophensaeurealkylestern : de en
  • FR797444A - Improvements to fuel injection systems : en fr
  • FR797741A - Method for attaching an elastic garter to stockings, knee-highs or socks : en fr
  • SU46728A1 - Prandtl type micromanometer : en ru
  • CH183801A - Process for the preparation of a heterocyclic mercury compound. : de en
  • US2038583A - Power transmitting chain : en
  • FR797611A - Synchronization system for gear change mechanisms : en fr
  • GB446493A - Improvements in the production of gaseous fuel mixtures : en
  • FR46331E - Metal-plastic seal : en fr
  • FR797740A - Thermal relay for heating regulator of rail vehicles : en fr
  • DE629399C - Spring-loaded track ring wheel : de en
  • GB446545A - Improvements in and relating to vehicle headlights and the like electric lamps : en
  • PL23009B1 - A thermoelectric cell with indirect heating and a thermoelectric furnace equipped with batteries of such cells. : en pl
  • PL22981B1 - Camera. : en pl
  • FR797411A - Tool holders for machining machines : en fr
  • FR797553A - Improvements to processes for germinating seeds and growing plants from these seeds : en fr
  • FR797650A - High-pressure absorption refrigeration machine comprising at least one pump for sucking the vapors of the refrigerant from the evaporator : en fr
  • US2039244A - Lock : en
  • AU2485635A - A method of and apparatus for punching index cards : en
  • FR797656A - Process for the fractional condensation of hydrogen peroxide vapors from their mixtures with water vapors : en fr
  • GB446280A - Improvements in massage machines : en
  • GB446517A - Improvements in or relating to fertilizer distributors : en
  • US2038859A - Chromiferous azodyestuffs : en
  • FR797469A - Improvements to a process and devices for fractional distillation and analogous operations : en fr
  • GB446326A - Improvements in or relating to air or gas filters : en
  • IE14172L - Electric tubular heating bodies : en
  • FR46343E - Starting device for internal combustion engines : en fr
  • SU46556A1 - Method and installation for continuous arsenite process : en ru
  • US2038908A - Rolling of rectangular bars : en
  • FR797592A - Device applicable to cyclones used to separate solid particles contained in gases : en fr
  • US2039077A - Jar lid opener : en
  • DE629314C - Steam or gas turbine : de en
  • PL22925B1 - Automatic liquid dosing device, especially suitable for disinfecting sewage with a liquid reagent. : en pl
  • US2039059A - Circuit breaker : en
  • CH183688A - Process for the preparation of an azo dye. : de en
  • ES4094Y - Swimsuit or leotard with elastic straps or shoulder pads. : en es
  • FR797660A - Process for the manufacture of films or sheets of perforated or protruding rubber, products obtained by this process and bathing suits made of perforated rubber : en fr
  • GB446276A - Manufacture of condensation products : en
  • FR797581A - Removable portable stool : en fr
  • USD99490S - Design for a glove : en
  • USD99467S - Design for a bracelet chain : en
  • SU46798A1 - Vertical axis precession vessel stabilizer : en ru
  • DE629411C - Device for the production of hollow bodies closed on all sides or on five sides : de en
  • DE629450C - Process for the preparation of a dentifrice dissolving tartar : de en
  • FR797582A - Device for the mechanical cutting of flexible media into endless strips or specific formats, particularly applicable to drawing sheets, industrial reproductions and others : en fr
  • PL23042B1 - Universal rolling mill. : en pl
  • US2038616A - Electrode system : en
  • CH183657A - Heating board. : de en
  • FR797560A - Improvements to so-called kitchen utensils : en fr
  • GB446524A - An improved spraying nozzle : en
  • US2038614A - Degumming gasoline and the like : en
  • US2038982A - Combined water heater and circulating unit : en
  • CH183766A - Twin magneto. : de en
  • CA357452A - Lubricating device : en fr
  • FR46348E - Safety device for doors and other applications : en fr
  • GB446311A - Improved stop valve : en
  • US2039012A - Method of providing track shoes : en
  • CA357484A - Coated aluminium article : en fr
  • CH183856A - Train protection system with speed monitoring. : de en
  • PL22924B1 - A method of producing aging-resistant rubber. : en pl
  • US2038999A - Noiseless sound reproducing system : en
  • FR797473A - Heavy hydrogen gas thermal machine such as butane, propane, pentane and others : en fr
  • GB446223A - Improvements in and relating to means for eliminating harmonics from an alternating current network : en
  • IE14398L - Blanking tool for leather, etc. : en
  • FR797716A - Loudspeaker installation for public receptions : en fr
  • GB446329A - Improvements in or relating to the casting of non-ferrous metals and their alloys : en
  • FR797655A - Light metal piston for combustion engines : en fr
  • ES139565A1 - Procedure for the treatment of ropes and other cotton materials. : en es
  • US2038531A - Attitude indicator for aircraft : en
  • US2038863A - Trailer truck : en
  • SU46696A1 - The method of preparation of aqueous emulsions of rubber : en ru
  • US2038981A - Clutch operating mechanism : en
  • US2039005A - Spare tire cover : en
  • US2039186A - Hydraulic servomotor for train controllers and the like : en
  • PL22902B1 - A method for obtaining purified spirit and an apparatus for carrying out this method. : en pl
  • PL22913B1 - Method for the production of water-insoluble azo dyes. : en pl
  • PL23019B1 - Skiing tower. : en pl
  • US2038881A - Manufacture of flexible shafting : en
  • US2038944A - Automatically adjustable braking system : en
  • FR797463A - Improved method and apparatus applicable to the manufacture of pneumatic tire casings : en fr
  • DE629409C - Disengagement device for winding spindles with automatic reverse rotation of the spindle : de en
  • US2038720A - Process for increasing the productivity of wells : en
  • BE414770A - : en
  • FR797578A - Explosion turbine engine : en fr
  • CA357495A - Solvent recovery from sludge : en fr
  • GB446218A - Improvements in and relating to deep boring appliances : en
  • GB446422A - Improvements in and relating to the manufacture of artificial filaments, threads, films and the like : en
  • GB446660A - Improvements in electrodes for high frequency treatment : en
  • DE629465C - Visor for firearms : de en
  • FR797667A - Gluing press for narrow sound films : en fr
  • FR797705A - Device for controlling and securing pumps for inflating pneumatic tires : en fr
  • SU46651A1 - The method of preparation of bituminous aqueous emulsions : en ru
  • US2039274A - Truck wheel brake : en
  • FR797722A - Television transmission method : en fr
  • FR797588A - Grass lifter for lawn mower : en fr
  • SU46804A1 - Adaptation to a device for blowing a firearm channel : en ru
  • GB446183A - Improvements in or relating to suspenders or the like for various articles of wearing apparel : en
  • GB446498A - Improvements in or relating to agents for modifying the surface tension of liquids : en
  • GB446843A - Process for the extraction of moisture from, and drying of, textile materials, and apparatus therefor : en
  • DE629324C - A machine set consisting of an overhung engine with cylinders arranged in a star shape and an electric power generator : de en
  • GB446529A - Improvements in or relating to the treatment of milk and milk preparations : en
  • GB446288A - Improvements in or relating to traffic control signals : en
  • GB446447A - Improvements relating to machines for facilitating the stringing of rackets for playing games : en
  • GB446486A - Improvements in blow-down apparatus for steam-generators : en
  • GB446747A - Improvements relating to instruments for heat and other treatment of cavities of the body : en
  • FR797564A - Ignition coil : en fr
  • SU46773A1 - Tool for boring bearings of automotive engines : en ru
  • PL23012B1 - A method of producing dyes of the anthraquinone series. : en pl
  • CH183848A - Bicycle support. : de en
  • US2039050A - Polyphase alternating current motor : en
  • CH183644A - Machine for dressing, polishing and polishing parquet floors. : en fr
  • SU46645A1 - The method of obtaining black sulfur dye : en ru
  • SU46811A1 - Drive to vertically mounted winding machine spindles : en ru
  • CA357513A - Lubrication device : en fr
  • CH183687A - Process for the preparation of an azo dye. : de en
  • CA357501A - Automobile lock : en fr
  • GB446432A - Improvements in the separation of synchronising signals in television receivers : en
  • CH183702A - Process for transferring the images from printing image carriers to metal printing cylinders and molettes. : de en
  • SU46595A1 - Locking device for folding doors of freight cars : en ru
  • AU2223335A - Improvements in surgical and first aid splints : en
  • US2038799A - Change speed gear : en
  • CA357523A - Aircraft gyroscopic indicator : en fr
  • CH183719A - Tilt balance. : de en
  • US2039020A - Coin-controlled weighing and ticket printing scale : en
  • US2039240A - Air cooling system for vehicles : en
  • USD99462S - Design fob a glove : en
  • CA357512A - Lubrication apparatus : en fr
  • CH183601A - Potato harvester. : de en
  • CH183822A - Electric wave transmission system. : de en
  • PL23002B1 - The rocker-mounted carbon slider of electric motor cars is pivoted. : en pl
  • US2039179A - Air-circulation valve in the supporting surfaces of aeroplanes : en
  • CA357514A - Lubricating apparatus : en fr
  • CH183864A - Process for the preparation of an azo dye. : de en
  • US2039153A - Roller skate : en
  • US2038911A - Dental light : en
  • CH183775A - Electrical switch that is moved into the switch-off position by a pressure medium, in particular with arc extinguishing by compressed gas. : de en
  • CH183846A - Device for using an endless snow chain for vehicle drive wheels. : en fr
  • US2039163A - Method of cleaning feed water heaters : en
  • SU46562A1 - Method for preparing high concentration aluminum nitrate solutions : en ru
  • CA357395A - Tire chain crosser : en fr
  • CH183791A - Gas burner with automatic ignition device. : en fr
  • US2038572A - Production of emulsifiable bituminous substances : en
  • US2038617A - Method for refining fatty acids : en
  • USD99471S - Design for a water sprinkler : en
  • SU46655A1 - The method of preparation of the surrogate oil. : en ru
  • US2038755A - Pigment paste : en
  • US2039260A - Retaining wall construction : en
  • US2038623A - Apparatus for the carbonizing of fuel briquettes : en
  • CH183795A - Shoe insert. : de en
  • SU46737A1 - Cotton harvesting machine : en ru
  • CA357455A - Lubricating device : en fr
  • US2038621A - Machine for operating upon hides, skins, and leather : en
  • SU46705A1 - The method of obtaining porous antifriction alloys : en ru
  • US2039043A - Electric regulating system : en
  • US2039264A - Apparatus for breaking down material : en
  • AU2408635A - Improvements in electric conductors andin process of manufacturing same : en
  • FR797468A - Process for the manufacture of a material formed from straw and asphalt, and industrial product constituted by this material : en fr
  • GB446316A - Coin-freed vending machine : en
  • SU46553A1 - The method of obtaining nitric acid : en ru
  • SU46723A1 - Method for determining the humidity of ceramic and other pieces of materials : en ru
  • GB446485A - Improvements in fastenings for boxes, cigarette cases, and the like : en
  • FR797503A - Device for protecting structures against the action of projectiles : en fr
  • ES141158A1 - Improvements in electric incandescent lamps. : en es
  • DE629261C - Circuit arrangement for the frequency equalization of circuits, which are deadened by means of negative resistances of non-inertia behavior : de en
  • GB446536A - Improvements in or relating to the production of hormones : en
  • US2038532A - Car seat : en
  • US2038605A - Transload base for road joints : en
  • SU46802A1 - Door lock with retractable bolt : en ru
  • CH183919A - Process for the preparation of 3-amino-4-oxy-5-methoxybenzene-1-arsic acid. : de en
  • US2038624A - Separation of wax from oils : en
  • USD99435S - Design fob an ashtray : en
  • SU46509A1 - A method of manufacturing a bimetallic wire with a thin core by drawing : en ru
  • FR797412A - Retractable landing gear : en fr
  • US2038880A - Apparatus for testing extensible material : en
  • CA357383A - Portable electric lamp : en fr
  • FR797417A - Improvements made to the construction of tilting mills : en fr
  • US2039047A - Safety razor and blade combination : en
  • US2039112A - Purification of rubber distillates : en
  • DE629346C - Device for collecting resin : de en
  • GB446411A - A process for manufacturing halogenated hydrocarbons : en
  • PL22911B1 - Device for the sudden opening of a cylinder containing a compressed fluid. : en pl
  • SU46583A1 - Steam or gas-hydraulic turbine engine : en ru
  • US2038687A - Acoustic translating device : en
  • US2039125A - Cornerpiece for frames : en
  • GB446549A - Improvements in or relating to electric insulators for use on very high radio frequencies : en
  • GB446738A - Improvements in or relating to the treatment of textile materials : en
  • DE629289C - Attachment of a double-armed, swing-up opening lever to the lid of a tin can : de en
  • FR46320E - Improvements to silencers for heat engines, weapons and firearms : en fr
  • FR797713A - Device automatically indicating the progressive wear of the tread surfaces of the tires : en fr
  • PL22994B1 - A device for regulating the charge and discharge of material in grain crushers. : en pl
  • FR46319E - Improvements to direction indicators for motor vehicles : en fr
  • GB446397A - Improvements in gear shifting mechanism : en
  • CA357485A - Aluminium coating method : en fr
  • CH183672A - Device for sharpening tailor's chalk. : de en
  • DE629398C - Longitudinally split rim, the parts of which are easily detachable connected by means of a slotted expanding ring : de en
  • FR797700A - Horizontal projection shaft direct flow apparatus for mechanical pulp, cellulose, and the like : en fr
  • US2038631A - Gasoline and method of making the same : en
  • CH183669A - Waistband. : de en
  • FR797672A - Oil seal : en fr
  • FR797723A - Piston for internal combustion engines and others : en fr
  • BE414629A - : en
  • CH183689A - Process for protecting stone structures from weathering. : de en
  • FR797541A - Processing by means of opening glass packaging : en fr
  • FR797631A - New wetting, cleaning and dispersing products and their manufacturing process : en fr
  • FR797710A - Improvements to variable capacitors : en fr
  • ES141165A1 - A procedure for the production of motor fuels. : en es
  • FR797691A - Rotary combustion engine : en fr
  • DE629287C - Fading device for cinema recorders : de en
  • FR797711A - Hair curling device enhancements : en fr
  • PL22929B1 - The method of separating the granular fines according to the grain size and specific weight. : en pl
  • PL23001B1 - Self-regulating device for DieseTa locomotives, in which a mixture of compressed air and water vapor is used to transmit energy. : en pl
  • SU46575A1 - The method of using the pitch waters obtained by gasification and coking of peat : en ru
  • SU46781A1 - Method of smoked animal carcasses and fish : en ru
  • FR797446A - Paddle-fin to increase the action and safety of the swimmer : en fr
  • US2038710A - Sanitary and protective cover for permanent wave pads : en
  • US2039206A - Manufacture of an elastic caoutchouc-like body : en
  • US2038709A - Stabilized acid latex and method of making the same : en
  • US2039078A - Means for consolidating the ground : en
  • US2039197A - Stockign pocket : en
  • GB446459A - Improvements in or relating to signalling apparatus for railway level crossings : en
  • US2038996A - Sound synchronizing system : en
  • USD99491S - Design for a glove : en
  • CA357375A - Automatic transmission mechanism : en fr
  • GB446215A - Improvements in and relating to heel protectors : en
  • FR797658A - Improvements in the manufacture of crepe yarn or fabric made from or containing cellulose esters : en fr
  • GB446673A - Improvements in and relating to moving coil loudspeakers : en
  • FR797499A - Gear shifting for bicycles : en fr
  • GB446230A - Improvements in or relating to inertia-operated electric switches for use on vehicles and other moving bodies : en
  • FR797712A - Stirrer : en fr
  • FR797565A - Charge current regulator for variable speed generator coupled to a buffer battery : en fr
  • FR797698A - Tempering apparatus for tubular glass objects : en fr
  • DE629383C - Electric heating and soldering device : de en
  • DK51574C - Procedure for the manufacture of permanent magnets. : da en
  • DE629417C - Firebox, especially for locomotives : de en
  • FR797475A - Closed circuit self-contained breathing apparatus : en fr
  • FR797510A - Improvements to ignition cables for internal combustion engines : en fr
  • CA357458A - Lubricating device : en fr
  • GB446450A - Improvement in the manufacture of di-aryl-methanes and their derivatives : en
  • SU46770A1 - The method of preparation of zinc ammonium chloride : en ru
  • US2038790A - Fruit box liner : en
  • SU46690A1 - Brick wall fixture : en ru
  • US2039136A - Wave signaling system : en
  • GB446382A - Improvements in and relating to machines for making mounts for electric incandescent lamps and the like : en
  • GB446896A - Improvements in and relating to alloy compositions : en
  • DE629305C - Flexible support member for heat and cold insulation : de en
  • FR797484A - Improvements relating to pumps : en fr
  • ES4124Y - Can opener : en es
  • US2038724A - Antifreeze compound : en
  • CA357425A - Adjustable resistance : en fr
  • PL22972B1 - Device for quick establishing radiotelegraphic or radiotelephony communication. : en pl
  • US2038905A - Thermometer : en
  • CH183807A - Device for drying and disinfecting razors. : de en
  • PL22982B1 - Single-plate landing gear for airplanes. : en pl
  • PL22940B1 - Device, consisting of three rollers, for the pre-bending of the hot rails exiting the rolling mill. : en pl
  • SU46525A1 - A device for closing burns in the walls of the coking oven chambers when they are shotcrete : en ru
  • US2038600A - Method and apparatus for making tubing : en
  • USD99454S - Design for textile fabric : en
  • USD99486S - Design for a textile fabric or : en
  • US2038728A - Printing machine : en
  • FR797580A - Improvements to discharge tubes : en fr
  • CA357377A - Nail : en fr
  • US2038573A - Loose leaf binder : en
  • PL23037B1 - Camera. : en pl
  • PL22954B1 - A method of obtaining embryonic plants and germinating seeds without the aid of soil, and an apparatus for carrying out this method. : en pl
  • AU2436735A - Radial plain bearing for grease lubrication : en
  • US2038758A - Box segregator and stacker : en
  • PL22941B1 - Device for additionally feeding the fuel mixture to the cylinders of the internal combustion engine. : en pl
  • USD99481S - Design for a soap dish : en
  • SU46548A1 - Nozzle for supplying crushed sulphide ores to kilns : en ru
  • US2039168A - Razor blade wiper : en
  • US2038843A - Three wheeled automobile : en
  • US2039101A - Electric discharge device and control apparatus therefor : en
  • SU46730A1 - CoolComer : en ru
  • US2038950A - Reversible stove construction : en
  • CH183661A - Liquid dispenser with flow meter and counter. : de en
  • CH183831A - Folding box molding from which the box can be made by folding. : de en
  • PL22906B1 - , and an apparatus for carrying out the method. : en pl
  • US2038649A - Selective signaling system : en
  • US2039174A - Hat : en
  • US2038779A - Switch interlocking means and method : en
  • CA357517A - Advertising device : en fr
  • CH183878A - Process for the preparation of a complexed metal-containing dye. : de en
  • US2038663A - Automatic reverse brake : en
  • CA357401A - Hydrogen supplying method : en fr
  • CH183721A - Discharge tube for cathode ray oscilloscopes. : de en
  • US2038831A - Manufacture of multicolor : en
  • US2038973A - Electrical conducting system : en
  • SU46608A1 - The method of simultaneous transmission and reception of vision and sound : en ru
  • SU46797A1 - The device stabilizing floats for boats "Catamaran" : en ru
  • US2038582A - Process of making pectous product : en
  • US2038935A - Electric cable : en
  • GB446552A - Improvements in or relating to waterproof material made of fibrous cellulose for floor coverings and other purposes : en
  • BE414222A - Fitness apparatus : en fr
  • CH183613A - Method for laying a removable parquet floor. : de en
  • GB446671A - Improvements in and relating to thermionic valve amplifiers : en
  • FR797532A - Disc for phonographs and its manufacturing process : en fr
  • US2038932A - Trailer tool cart : en
  • ES4613U - Transformable tray on folding table (Machine-translation by Google Translate, not legally binding) : en es
  • GB446745A - Process for the manufacture of azodyestuffs : en
  • GB446750A - Improvements in shuttering devices for casting walls or the like of concrete or other material : en
  • US2039055A - Toy vehicle : en
  • FR797403A - Automatic regulation system of transmission characteristics in amplification installations : en fr
  • CH183893A - Process for the preparation of a dye. : de en
  • DK51576C - Lock for controlling the needles in knitting machines. : da en
  • AU2412035A - Optical apparatus forthe simultaneous projecting of multiple images : en
  • CA357436A - Electrolytic decomposing device : en fr
  • AU2457235A - Improvements in or relating to pipe joints : en
  • SU46600A1 - Cross with movable point : en ru
  • CH183647A - Shoe drainer. : de en
  • SU46593A1 - Machine for profiling dirt roads using a screw cutter : en ru
  • US2038934A - Multicore electric cable : en
  • US2039245A - Typewriting machine : en
  • BE414226A - Circular saw for cutting hard or other bandages applied to a soft or soft bottom layer : en fr
  • CH183670A - Zipper. : de en
  • PL22984B1 - Friction gear. : en pl
  • US2039183A - Precast concrete roof deck slab : en
  • US2038947A - Process of manufacturing methyl ether of tertiary butyl meta cresol : en
  • CA357525A - Sanitary pad shield making apparatus : en fr
  • CH183912A - Waterproof watch box. : en fr
  • DE629366C - Resilient insert for upholstered furniture, mattresses, pillows, etc. like : de en
  • US2038838A - Folding table : en
  • ES141151A1 - Step oven : en es
  • FR797535A - Soundproof hollow panel for doors, paneling, partitions, etc. : en fr
  • GB446509A - Improvements in or relating to aircraft : en
  • US2038910A - Tape cutter : en
  • DE629271C - Loading door for electrically heated annealing and melting furnaces : de en
  • SU46582A1 - Steam-gas generator : en ru
  • USD99473S - Design fob a spray gun : en
  • CH183704A - Device for cleaning types, in particular typewriters, calculating machines, stamps and the like. : de en
  • CH183833A - Method and device for the production of compartment pockets used for packing cigars. : de en
  • CH183635A - Process for the production of hollow glass bodies with a drawn-in edge. : de en
  • CH183832A - Method of fixing nozzles on metal tubes intended to be crushed. : en fr
  • US2039117A - Slow break switch : en
  • GB446819A - New anthraquinone dyestuffs : en
  • ES141166A1 - A drying installation. : en es
  • US2038523A - Fire door : en
  • US2039013A - Cover for spare tires of automobiles : en
  • US2039044A - Regulating system : en
  • US2039127A - Rotary dust separator : en
  • SU46740A1 - Stacker : en ru
  • SU46803A1 - Electromagnetic Tool : en ru
  • US2038552A - Starting device for automotive vehicles : en
  • US2039029A - Lawn edge trimmer cutter : en
  • CH183798A - Massage machine. : de en
  • GB446428A - Mechanically propelled conveyance of the tank or endless track type for amusement purposes : en
  • US2039187A - Brake : en
  • USD99487S - Design for a textile fabric or : en
  • ES141154A1 - Improvements in the electric devices for gas discharge. : en es
  • FR797570A - Artificial fish with rigid frame and flexible faces made in several pieces : en fr
  • GB446561A - Improvements in or relating to cross folding machines for sheets of paper and the like : en
  • PL22985B1 - Portfolio with pillow. : en pl
  • SU46782A1 - Device for mechanical loading and salting of fish in barrels : en ru
  • SU46618A1 - Device for changing inductance : en ru
  • GB446370A - A disc for phonographic recording : en
  • GB446523A - Improvements in or relating to bottle washing machines : en
  • FR797489A - Method and apparatus for the detection of fluid leaks and their applications : en fr
  • FR797688A - Apparatus for sound reproduction : en fr
  • SU46620A1 - A method of manufacturing an insulating connection of electrical cables : en ru
  • USD99477S - Design fob a knitted fabric : en
  • CH183830A - Packaging and process for its manufacture. : en fr
  • DE629425C - Storage of the brake carrier disc : de en
  • DE629447C - Apparatus for determining the specific weight of the human body : de en
  • FR797652A - Elastic support : en fr
  • SU46741A1 - The method of preparation of water-oil emulsions for disinsection : en ru
  • GB446537A - Improvements in or relating to the production of hormones : en
  • GB446576A - Process of producing rotenone and associated substances from natural sources containing the same : en
  • DE629406C - Engraving machine for fountain pens or the like. : de en
  • CA357423A - Lighting control system : en fr
  • US2038571A - Duplicating machine : en
  • US2039016A - Selective tube system : en
  • FR797615A - Heterogeneous wall : en fr
  • US2039074A - Printing plate : en
  • GB446418A - Improvements in the froth flotation of ores : en
  • US2039105A - Method of making reference apparatus for sheet metal parts : en
  • DE629361C - Device for the automatic adjustment of the wind blades of wind turbines with a horizontal axis of rotation with the help of a centrifugal regulator : de en
  • FR797550A - Advanced looms in several colors, changing shuttles : en fr
  • US2038789A - Thread winding and treating machine : en
  • DE629332C - Gripper : de en
  • FR797419A - Shoe Sewing Machine Improvements : en fr
  • SU46561A1 - A method of processing calcium aluminate slag (and lime-sodium cakes) : en ru
  • US2038519A - Machine for forming glass articles : en
  • USD99451S - Design for textile fabric : en
  • PL22995B1 - Gold-melting alloy. : en pl
  • SU46611A1 - Device for stabilizing lamp generators : en ru
  • US2038748A - Diaphragm valve : en
  • US2039171A - Wall tie : en
  • CA357473A - Internal combustion engine : en fr
  • DE629428C - Device for treating beer and other carbonated beverages with radium emanation : de en
  • US2038653A - Cleaning composition : en
  • SU46807A1 - Device for automatic sound direction finding : en ru
  • US2038853A - Overseaming and pinking machine : en
  • SU46813A1 - Brick cutting machine : en ru
  • US2038731A - Driving mechanism : en
  • US2038796A - Dial arrangement for broadcast receivers : en
  • US2039015A - Telephone system : en
  • FR46341E - Instant-on track shoe for road walking : en fr
  • GB446439A - Improvements in and relating to the manufacture of composite metal bodies : en
  • FR46328E - Improvement in electric cables intended in particular for high frequency currents : en fr
  • FR797727A - Machine for sharpening the soul of twist drills or others : en fr
  • US2038867A - Joint : en
  • GB446423A - Improved tubular heat exchange elements and method of making the same : en
  • SU46650A1 - The way to protect metal products from rusting : en ru
  • US2039108A - Endless film magazine : en
  • CA357451A - Lubricating device : en fr
  • US2038524A - Method of forming and applying screw caps to containers : en
  • US2038615A - Art of construction : en
  • FR797630A - Improvements to indirectly heated cathodes for cathode ray tubes : en fr
  • SU46519A1 - Method of dyeing thread yarn : en ru
  • SU46672A1 - The method of obtaining sulfitellulose tanning extracts : en ru
  • SU46626A1 - Device for automatic shutdown of a multiphase motor in case of a single phase break : en ru
  • DE629407C - Spray gun : de en
  • US2039063A - Polyketo fatty acid body : en
  • SU46617A1 - Negotiation method with a high frequency broadcast station : en ru
  • SU46686A1 - Tubular fired heater for air heating or forced ventilation : en ru
  • FR797731A - Improvements to mechanical kneaders : en fr
  • GB446367A - Improvements in and relating to electric condensers : en
  • US2039139A - Circuit arrangement for indirectly heated vacuum tubes : en
  • US2038525A - Automatic soldering machine : en
  • US2038948A - Shock absorber : en
  • SU46670A1 - A method of making flat belts and stitches for belts : en ru
  • US2038879A - Reduction of interference in thermionic valve circuits : en
  • US2038686A - Reminder clock : en
  • CH183705A - Roller for holding or conveying sheets of paper and the like. : de en
  • CH183659A - Hygienic toothbrush. : de en
  • CH183743A - Circular saw blade. : de en
  • US2039011A - Safety lock for gas cocks : en
  • DE629432C - Device for the utilization of externally heated chamber or retort ovens for low or medium temperature coking : de en
  • DE629484C - TV set with lens wheel : de en
  • FR797470A - Liquid or gas meter : en fr
  • GB446200A - Improved magnesium alloys : en
  • SU46550A1 - Apparatus for contact oxidation of sulfuric anhydride : en ru
  • CA357384A - Hair waving apparatus : en fr
  • ES141148A1 - A procedure to prevent the violation of wooden containers. : en es
  • GB446540A - Improvements in or relating to the production of plastic materials, coating materials, cement materials, spatula materials and the like : en
  • PL22896B1 - A method of crimping rolls, used for crimping film sheets. : en pl
  • US2038795A - Releasing means for jammed presses : en
  • US2038839A - Printing ink : en
  • GB446357A - Process of and apparatus for the production of a truly colloidal fuel : en
  • CH183888A - Process for the production of an anthraquinone derivative. : de en
  • US2039215A - Road vehicle body frame construction : en
  • US2039018A - Safe or money chest : en
  • US2038690A - High electrical resistant soft glass composition : en
  • US2039075A - Valve : en
  • DE629423C - Pinion starter for internal combustion engines : de en
  • FR797533A - Advanced device for applying solder to metal objects : en fr
  • ES4614U - Folding chair (Machine-translation by Google Translate, not legally binding) : en es
  • AU2215135A - Adjustable couplings for intermediate-frequency transformers : en
  • FR797600A - Traction device for bicycles : en fr
  • FR797608A - Device for dust collection : en fr
  • GB446553A - Improvements in high frequency electric cables : en
  • US2038833A - Beer tap : en
  • FR797409A - Filter for masks against smoke, gas, etc., and method of manufacture thereof : en fr
  • GB446363A - Improvements in or relating to the steam superheating installations of steam generators : en
  • AU2218435A - Improvements in or relating to radio antenna systems : en
  • GB446313A - Improvements in or relating to cutting appliances for cloth and like materials : en
  • CH183750A - Wedge. : de en
  • CH183879A - Process for the preparation of a complexed metal-containing dye. : de en
  • CH183854A - A makeshift coupling designed as an automatic central buffer coupling on railway vehicles. : de en
  • DE618555C - Target designed as a drop target : de en
  • SU46712A1 - Loading device for scales : en ru
  • DE629343C - Hand measuring knife : de en
  • FR797666A - Process for the recovery of selective solvents : en fr
  • CH183611A - Rolling grilles for shops, windows, garages, etc. : de en
  • FR797629A - Improvements to tenon milling machines : en fr
  • FR797678A - Process for the preparation of materials, starting from aqueous solutions of cellulose : en fr
  • GB446299A - Improvements relating to electrical protecting devices : en
  • US2039042A - Burner for anthracite coal : en
  • CA357506A - Pole cross-arm gain : en fr
  • CH183842A - Method and device for preventing tarnishing and ice formation in transparent panes. : de en
  • CH183614A - Scaffolding on a structure and method for its manufacture. : de en
  • CH183823A - Apparatus for automatic number dialing when making telephone connections via automatic offices. : de en
  • CH183850A - Alarm device on bicycles or motorcycles to protect them against theft and unauthorized use. : de en
  • SU46820A1 - Mechanical trimmer : en ru
  • US2038691A - Glass resistant to alkali metal vapors and method of making it : en
  • US2038763A - Heat-insulating food container : en
  • CH183675A - Machine for stripping and blending tobacco leaves of different types of tobacco. : de en
  • AU2222335A - Improvements in or relating to devices comprising two conductors separated by insulating material, more particularly a condenser : en
  • CA357397A - Fertilizer : en fr
  • US2038597A - Individual wheel suspension : en
  • US2039000A - Hemadynamometer operating according to the compensation method : en
  • FR797483A - Improvement in regulated pads : en fr
  • PL22900B1 - A method of making coatings for plywood dishes, made by rolling, and an apparatus for carrying out the method. : en pl
  • US2038793A - Well core drill : en
  • USD99469S - Design for a lace tablecloth : en
  • CA357394A - Clamp for concrete form work : en fr
  • CH183622A - Device for humidifying air heated by a radiator. : de en
  • CA357379A - Trailer coupling and brake mechanism : en fr
  • CH183633A - Shutter stop. : en fr
  • CH183724A - Device for determining the interrelated conditions required for an X-ray exposure. : de en
  • BE414407A - : en
  • CA357477A - Wax separation from mineral oil : en fr
  • CH183819A - Self-collecting device with receipt issuing for funds, documents and the like. : de en
  • CA357385A - Selenium recovery : en fr
  • CH183884A - Process for the production of an anthraquinone derivative. : de en
  • GB446577A - Improvements in trawl boards : en
  • US2039140A - Method of forming phonograph records : en
  • CH183869A - Process for the production of a new azo dye. : de en
  • AU2095835A - Improvements in and connected with flush panel doors andthe like : en
  • US2038849A - Sewing machine : en
  • US2038764A - Synthetic resin : en
  • US2039257A - Machine for packing pulverulent material : en
  • CA357466A - Liquid heating device : en fr
  • CH183768A - Alternator with built-on breaker. : de en
  • DE629368C - Process for reducing the absorption of animal fibers for neutral or acidic dyes : de en
  • GB446259A - Improvements in the production of acetic anhydride : en
  • GB446413A - Improvements in jacking devices for motor cars : en
  • GB446483A - Trailer for airplanes or similar machines : en
  • CH183660A - Liquid measuring and dispensing system. : de en
  • IE13910L - Application of adhesive to compound sheet material : en
  • CA357415A - Illumination device : en fr
  • DE629430C - Auxiliary clamp to secure the attachment of the wringer to the tub or the like. : de en
  • AU2224035A - Apparatus for the extraction of an inconvertible colloid from vegefable seeds : en
  • CH183809A - Shaving device. : de en
  • FR797663A - Process for the manufacture of tubes made of concrete and similar materials by centrifugal casting, with a metal tube placed inside the mass of concrete and serving as a reinforcement or waterproof seal : en fr
  • US2038560A - Equalizing and spring system : en
  • FR797408A - Sieve plates for separators, screens, filters and the like used in the manufacture of wood pulp, cellulose, paper, etc. : en fr
  • FR797433A - Improvement made to jars or containers intended for storing food or any products liable to spoil or deteriorate in the open air : en fr
  • PL22965B3 - Pressure device for spindle extractor devices. : en pl
  • US2038916A - Bag opener : en
  • US2039216A - Plate heat exchanger : en
  • US2039258A - Vulcanizing pad : en
  • FR797704A - Mattress : en fr
  • CH183895A - Process for the preparation of a dye. : de en
  • FR46315E - Housing axle for vehicles of all types : en fr
  • DE629312C - Process for the production of diphenyl ether monosulfonic acid : de en
  • DE629322C - Airspace-insulated low-capacitance wire with perforated spacers arranged around the conductor, in particular cables with a concentric conductor arrangement, for telecommunication purposes : de en
  • DK51562C - Procedure for the Preparation of Creams or Emulsions. : da en
  • DK51570C - Vibrator. : da en
  • GB446186A - Improvements in and relating to endless track vehicles : en
  • ES4001Y - Musical device applicable to doors. : en es
  • FR46332E - Process for forming webs of kapok filaments or the like and apparatus for applying this process : en fr
  • GB446421A - Improvements in and relating to pottery and like kilns : en
  • FR797664A - Improvements in the making of shoes with braided uppers : en fr
  • CA357368A - Olefine recovery : en fr
  • CA357399A - Food product impregnation : en fr
  • CH183763A - Rocker arm opposed piston internal combustion engine. : de en
  • CH183921A - Gear change mechanism, in particular applicable to a bicycle. : en fr
  • US2038518A - Parison transfer mechanism : en
  • US2038625A - Theft alarm for attache cases and similar articles : en
  • US2038732A - Monorail system : en
  • US2039226A - Watchmaker's calipers : en
  • ES4621U - Delay switch (Machine-translation by Google Translate, not legally binding) : en es
  • US2038994A - Peat fertilizer : en
  • US2039066A - Water heater : en
  • FR797587A - Device for collecting water flowing from the lower end of the umbrella : en fr
  • GB446261A - Improvements in or relating to printing or marking mechanism particularly for use in connection with packaging machines : en
  • GB446330A - Zinc sulphide : en
  • GB446395A - Improvements in a shaker conveyor drive mechanism : en
  • DE629321C - Telecommunication cable system with high freedom from crosstalk and amplifier operation : de en
  • GB446240A - Improvements in preheaters for heating or illuminating apparatus of the kind in which a liquid fuel is burned in a gasified state : en
  • CH183646A - Cloakroom facilities. : de en
  • FR797559A - Coupling device for furniture : en fr
  • SU46687A1 - Electric radiator : en ru
  • FR797645A - Wick stop mechanism for spinning, twisting and similar machines : en fr
  • SU46674A1 - Device for leading stalks to scutching machines : en ru
  • US2039275A - Liquid soap mixing device : en
  • ES141143A3 - Improvements in Fourdrinier machines for making paper. : en es
  • FR797557A - Fasteners or plugs for electrical conductors : en fr
  • US2039160A - High frequency fluid cooled thermionic valve system : en
  • ES141163A1 - CABLE TOWING INSTALLATIONS FOR SKIERS, SLEDS AND BOBSLEIGHS : en es
  • FR46326E - Descaling product : en fr
  • FR797728A - Toilet utensil : en fr
  • FR797406A - Advanced card holder device : en fr
  • FR797556A - Aircraft soffit combined shutters : en fr
  • CA357510A - Lubrication apparatus : en fr
  • SU46634A1 - Electric current breaker : en ru
  • US2038771A - Assembly frame for use in making insulating glass : en
  • US2038824A - Trolley rivet : en
  • US2039024A - Latch for extractor unloading nets : en
  • DE629357C - Spinning regulator for ring spinning machines : de en
  • FR797511A - Electric shoe polisher : en fr
  • GB446542A - Improvements in and relating to measuring and indicating instruments : en
  • FR46277E - : fr
  • CA357516A - Windshield protector : en fr
  • FR46340E - Drying device for all powdery or granulated materials : en fr
  • FR797536A - Aerial floating mines, for defense against aircraft : en fr
  • FR797598A - Automatic photographic shutter : en fr
  • GB446477A - Sewing machine : en
  • SU46569A1 - The method of producing benzanthrone : en ru
  • DE629310C - Method of making wire : de en
  • GB446748A - Improvements in and relating to illuminated indicating scales for radio receivers and like devices : en
  • FR797404A - Cupboard for the presentation of rubber soles : en fr
  • FR797699A - Self-compensating valve lifters for internal combustion engines : en fr
  • USRE19944E - Control system : en
  • US2039106A - Method for purifying naphthenic acids : en
  • SU46746A1 - Adaptation to a dirt cleaner for homogenizing milk : en ru
  • CH183734A - Steel alloy. : de en
  • CH183915A - Device for periodically switching electrical currents on and off. : de en
  • SU46636A1 - Magnetron : en ru
  • US2039032A - Collar stretcher : en
  • FR797515A - Advertising or light signaling device : en fr
  • FR797644A - Metal bed base : en fr
  • GB446279A - Improvements in hydraulic plate holders for pressing, stamping and like machines : en
  • GB446302A - Improvements relating to buckets and the like : en
  • CH183785A - Wound capacitor. : de en
  • DE629300C - Fluid switch : de en
  • US2038652A - Grading machine : en
  • US2038971A - Permanent waving : en
  • US2039227A - Stringed musical instrument with amplifier : en
  • US2038841A - Device for fog-forming apparatus of long duration with increased starting effect : en
  • US2038717A - Calculating machine : en
  • US2038913A - Method of forming bonds : en
  • ES3132Y - Spiral spring tensioner for fastening skis. : en es
  • GB446197A - Improvements relating to belt buckles : en
  • GB446563A - Improvements in air ships : en
  • US2039202A - Electrical network : en
  • US2038804A - Piezo-electric crystal holder : en
  • BE414715A - Device for inserting into stamping or stamping machines : en fr
  • US2038639A - Method of producing castings : en
  • US2038658A - Method and apparatus for removing bark from timber by means of fluid jets : en
  • US2039193A - Photographic apparatus : en
  • SU46721A1 - Device for determining the moisture content of the grain : en ru
  • PL23040B3 - Method of obtaining sulfur dioxide from gases. : en pl
  • CH183905A - Process for the preparation of a carbocyanine dye. : de en
  • CH183855A - Control device, in particular for train control devices on locomotives. : de en
  • CA357521A - Locomotive : en fr
  • SU46851A1 - Loom : en ru
  • SU46739A1 - Reaper Thresher for Sunflower : en ru
  • US2038909A - Machine for projecting kaleidoscopic designs : en
  • SU46629A1 - Single phase collector motor : en ru
  • US2038727A - Grinding wheel : en
  • AU2268935A - Improvements in or relating to automatic switches ofthe step-by-step type such asare used in automatic telephone systems : en
  • CA357407A - Apron : en fr
  • CH183902A - Process for the preparation of a carbocyanine dye. : de en
  • SU46572A1 - Method for producing benzaldehyde : en ru
  • FR797693A - Rubber vulcanization improvement : en fr
  • GB446331A - Improvements in and relating to luggage-receptacles for motor cycles : en
  • CA357468A - Adhesive applying mechanism : en fr
  • CH183693A - Device for the automatic distribution of a liquid according to the flow rate of a supply tank. : en fr
  • CH183826A - Fire alarm device. : de en
  • GB446487A - Improvements in devices for spraying freshly printed sheets : en
  • US2039249A - Washing machine : en
  • US2038918A - Wireless receiver : en
  • GB446312A - A transportable bed : en
  • SU46565A1 - The method of obtaining manganese oxide green : en ru
  • US2038577A - Regulator for variable capacity compressors : en
  • US2038907A - Lock structure : en
  • US2039031A - Drive for stokers : en
  • FR797548A - Connection device between uprights and supports for storefront shelves : en fr
  • US2038750A - Slug casting machine : en
  • US2039235A - Milk cooling apparatus : en
  • AU2094835A - Electric discharge vessel, more particularly radio-valve : en
  • SU46570A1 - The method of producing isoprene : en ru
  • FR46307E - Improvements to variable speed and automatically controlled transmissions, particularly those for motor vehicles : en fr
  • FR797685A - Very frothy hair detergent : en fr
  • BE414321A - : en
  • DE629355C - Fleece winder for spinning preparation machines with automatic lap changing device : de en
  • US2039201A - Arrangement for the production of musical sounds by electrical means : en
  • US2039120A - Tackle for releasable sinkers : en
  • PL22976B1 - Screen device in paper machines. : en pl
  • FR797642A - Process for preparing acetylene transformation products : en fr
  • GB446521A - Improvements in or relating to record-card-controlled statistical printing machines : en
  • GB446558A - Improvements in coating devices : en
  • CH183918A - Process for the preparation of an acylated mixture of the isomers of the dihydrofollicle hormone. : de en
  • CH183621A - Method for heating a living room by the floor. : en fr
  • CA357439A - Anthraquinone series derivative production : en fr
  • CH183870A - Process for the preparation of a chromable azo dye. : de en
  • DE629335C - Method for fastening screws, hooks, nails or the like in previously made drill holes in the masonry : de en
  • US2038703A - Recovery of alkyl lead compounds from their reaction masses : en
  • SU46830A1 - Wind power system : en ru
  • US2038579A - Air conditioning system : en
  • US2038976A - Sound record : en
  • US2039002A - Oil pan assembly : en
  • CA357457A - Lubrication device : en fr
  • CH183875A - Process for the preparation of an azo dye. : de en
  • PL22957B1 - single-stem high-growing plants. : en pl
  • SU46677A1 - Stereo panoramic device : en ru
  • US2038706A - Inking reel : en
  • AU2022534A - Electronic tube and circuits therefor : en
  • AU2337835A - Improvements in electrical water heaters : en
  • SU46841A1 - Artificial wool machine : en ru
  • AU277665B2 - Guide unit for a drawer : en
  • CH183800A - Process for the preparation of an arsenic compound of the naphthoquinone series. : de en
  • CH183664A - Process for making durable detergents containing active oxygen. : de en
  • CA357391A - Package handle : en fr
  • FR797542A - Improvements to high voltage testing or verification equipment : en fr
  • CH183676A - Persistent aqueous emulsion and method of making same. : de en
  • DK51575C - Procedure for applying a reinforcement layer to fur. : da en
  • CH183703A - Device on typewriters for making copies by means of at least one auxiliary ink ribbon. : de en
  • CH183841A - Device for supporting the upper part of the vehicle on the wheels. : de en
  • PL22912B1 - Torsion balance for measuring the non-uniformity of the load field. : en pl
  • SU46643A1 - The method of producing chlorine derivatives of dimethoxyviolantron : en ru
  • US2038695A - Sprocket wheel : en
  • CH183658A - Device for attaching the kettle to beating, mixing and stirring machines. : de en
  • CA357453A - Lubrication device : en fr
  • CA357502A - Washing preparation : en fr
  • CA357419A - Acoustical wall covering : en fr
  • DE629404C - Silencer for handguns : de en
  • FR797506A - Hot-curing plastic molds, dies and the like and their applications : en fr
  • US2038619A - Multiple-operated emergency valve : en
  • US2039080A - Circuit interrupter : en
  • SU46624A1 - Adaptation to the saw-frame for automatic control of the amount of feed reproduced from the electric motor : en ru
  • CA357434A - Attaching means and method : en fr
  • CH183671A - Tailor's measuring tape. : de en
  • BE414434A - : en fr
  • DE629438C - Circuit arrangement in telephone companies to prevent radio interference : de en
  • FR797534A - Vessel with tank installation for bulk transport, handling and processing of wines and similar liquids : en fr
  • GB446548A - An improved rotary stabilizer for sound film apparatus : en
  • DE629318C - Signal setting device : de en
  • US2039184A - Reversible motor : en
  • BE414452A - Glue for mounting photographs and others and process for said mounting : en fr
  • CH183632A - Locking device for multi-leaf windows and balcony doors. : de en
  • USD99457S - Design for textile fabric : en
  • SU46596A1 - Automatic hitch for miner wagons : en ru
  • SU46835A1 - Apparatus for rinsing and washing laundry : en ru
  • US2038637A - Edge binding : en
  • PL22953B1 - Needle igniter for min. : en pl
  • CA357504A - Tool set and container : en fr
  • US2038765A - Heat filter device : en
  • US2039100A - Electric discharge device : en
  • USD99476S - Design for a shoe or similar : en
  • CH183824A - High frequency coupling system. : de en
  • US2039110A - Separable fastener : en
  • SU46789A1 - Method for making photographic emulsions : en ru
  • PL22964B1 - A method of cleaning metals. : en pl
  • CA357410A - Strip bearing : en fr
  • CH183639A - Electric heater. : de en
  • CH183765A - Injection nozzle for internal combustion engines. : de en
  • US2038787A - Earth inductor compass : en
  • CH183715A - Device for locking the striker in a mechanical time rocket. : en fr
  • CH183754A - Apparatus for adjusting a variable speed mechanism. : en fr
  • AU2267235A - A pad for use in conjunction with suspenders : en
  • FR46323E - Method and device for separating solid particles from a gaseous or liquid fluid in which they are held in suspension : en fr
  • AU2351235A - Improvements in hank dyeing machines : en
  • CA357386A - Arsenical pyrite working up method : en fr
  • CA357479A - Grease retainer : en fr
  • DE629317C - Release device for air brakes : de en
  • GB446560A - Apparatus for applying capsules to the necks of bottles : en
  • AU2262335A - An improved totalisator ticket issuing and recording machine : en
  • CH183619A - Removable support for radiator shelf. : en fr
  • CH183725A - Device to add. : en fr
  • CH183882A - Process for the preparation of a complexed metal-containing dye. : de en
  • US2038685A - Typewriting machine : en
  • US2038857A - Method and apparatus for cutting fur : en
  • SU46680A1 - The method of preparation of anti-sweat remedies : en ru
  • US2038993A - Method and apparatus for removing water from clothes : en
  • US2038607A - Means and method for manufacturing duplicator sheets : en
  • US2038739A - Locking device for automatic weighing machines or scales : en
  • US2038997A - Galvanic tail torpedo : en
  • US2039196A - Brush holder for electrical apparatus : en
  • SU46843A1 - Bars and molds for steel bars : en ru
  • AU2418235A - Improvements in or relating to grinding machines for hard materials : en
  • CA357478A - Railway control apparatus : en fr
  • US2038705A - Ethers of polyhydric alcohols : en
  • US2038890A - Canvas separator : en
  • CH183876A - Process for the preparation of an azo dye. : de en
  • DK51566C - Device by cable pair or similar for a cable selector connected connecting links on automatic or semi-automatic telephone exchanges. : da en
  • DK51580C - Corrector for use when shooting at air targets. : da en
  • FR797613A - Calcium hypochlorite ball : en fr
  • GB446468A - Improvements in and relating to drying and/or cooling apparatus : en
  • US2038753A - Knitting machine for the manufacture of tubular yarns : en
  • US2038847A - Automatic whistle control for locomotives : en
  • FR46333E - Artificial ventilation silo for the conservation and disinfection of grains, seeds, seeds and other similar products : en fr
  • CH183745A - Wood planer. : de en
  • US2038630A - Motor fuel and process of producing the same : en
  • CA357449A - Nickel carbonyl manufacture : en fr
  • CH183752A - Device on regulating members to be operated by pressure in order to set the latter to a certain opening pressure. : de en
  • CH183903A - Process for the preparation of a carbocyanine dye. : de en
  • US2039056A - Combined awning and shutter : en
  • BE414703A - Improvements in direct reading weighing devices : en fr
  • CH183923A - Automatic fuel regulator for continuous fluid pressure brakes. : en it
  • DE629445C - System for the generation of water gas by means of a circulating gas stream circulating through the gas generator and regenerator chambers : de en
  • CH183700A - Device for the orderly storage of files of all kinds. : de en
  • SU46585A1 - Heat pump for heating and similar installations : en ru
  • US2039213A - Multiple printing machine : en
  • PL22946B1 - KL 33 d, 12/02. Package holder. : en pl
  • US2038766A - Pipe pressure coupling : en
  • US2038780A - Method of and apparatus for cooking pulp : en
  • US2039122A - Apparatus for testing gas-locks : en
  • BE414186A - Method and device for facilitating the obtaining of final measurements determined during the treatment of materials and in particular of textile materials or fabrics in continuous pieces : en fr
  • CA357412A - Fertilizer : en fr
  • CH183668A - Stiffening insert for soft and semi-soft collars. : de en
  • CH183778A - Device that responds when pendulum phenomena occur in electrical networks. : de en
  • CH183901A - Process for the preparation of a carbocyanine dye. : de en
  • SU46742A1 - Sorting for non-flowable seeds such as herbs : en ru
  • SU46785A1 - Stone stone : en ru
  • US2038718A - Spring structure : en
  • CH183679A - Process for the electrolysis of aqueous solutions and an electrolyzer for carrying out the process. : de en
  • USD99465S - Design fob a glove : en
  • CA357438A - Pencil rod : en fr
  • CH183730A - Watch movement. : en fr
  • DE629455C - Cast steel chain : de en
  • CH183634A - Process for the production of glass objects with hollow feet. : de en
  • FR46337E - Improvements to rod and tube straightening machines : en fr
  • FR46347E - Fast burning heavy oil engine : en fr
  • GB446539A - Improvements in or relating to road vehicles : en
  • CH183808A - Head hair band. : de en
  • US2038537A - Pilot director : en
  • US2038591A - Printing paste : en
  • AU5102364A - Guide unit for a drawer : en
  • SU46719A1 - Device for measuring the temperature of hot bodies : en ru
  • CA357496A - Display apparatus : en fr
  • DE629442C - Power supply to the rotor of variable capacitors : de en
  • CH183861A - Process for preparing a mixture of N-pseudooxybutyl- and N-isooxybutyl-N-y-methoxy-B-oxypropylaminobenzene. : de en
  • CA357387A - Automobile lifting device : en fr
  • US2038673A - Retaining means for shock absorbing mechanism : en
  • DE629331C - Fiber vibrating machine : de en
  • FR797692A - Metal reels, in particular for films or films, and method of manufacture thereof : en fr
  • US2039250A - Reel : en
  • CH183652A - Adjustable deck chair. : de en
  • CA357508A - Belt drive : en fr
  • PL23043B1 - A method of producing a thiazine dye. : en pl
  • US2038664A - Trundling toy : en
  • US2038870A - Joint : en
  • AU2262735A - Improvements in and relating to apparatus for tempering glass : en
  • CH183924A - Automatic power regulator for continuous fluid pressure brakes. : en it
  • CH183610A - Cross frame for windows and doors. : de en
  • GB446232A - Improvements in and relating to magnet cores : en
  • ES141156A1 - A process for manufacturing hydraulic tiles. : en es
  • GB446187A - Rotary spherical valves : en
  • GB446668A - Improvements in or relating to spring units for seats, mattresses and the like, and method of making the same : en
  • US2038535A - Art of joining wires with sleeves : en
  • CH183818A - Gear arrangement intended for self-sellers of electricity with adjustable transmission ratio to change the basic charge. : de en
  • SU46573A1 - The method of producing potassium xanthate or sodium : en ru
  • FR797589A - Cocking photographic shutter : en fr
  • GB446434A - Improvements in or relating to reservoir shaving brushes : en
  • PL23032B1 - A method of determining and targeting the angle of overtaking when throwing objects from airplanes or airships, and an apparatus for carrying out the method. : en pl
  • US2038985A - Automobile reverse movement control : en
  • US2039165A - Method of treating aluminium or aluminium alloy : en
  • CH183767A - Thermal power plant. : de en
  • SU46552A1 - The method of concentration of nitric acid : en ru
  • US2038733A - Dough divider : en
  • CA357492A - Coal distilling apparatus : en fr
  • CH183803A - Device for the continuous treatment of wounds and the like with oxygen containing ozone. : de en
  • SU46558A1 - Electrode Preparation Method : en ru
  • SU46506A1 - Method of flotation concentration of ores : en ru
  • US2038651A - Clothespin : en
  • CH183740A - Differential speed threading device for automatic lathes. : en fr
  • US2038563A - Gramophone record : en
  • US2038872A - Selective radio receiver : en
  • GB446202A - Tyres for cycles and other vehicles : en
  • DE629179C - Metal vessel with a ring lock and a ring bed that holds the lock parts : de en
  • US2038586A - Composition for treatment of mia and method of preparing same : en
  • US2038633A - Manufacture of a gluten-like product : en
  • US2038654A - Air conditioner : en
  • US2038711A - Measuring instrument for use of tailors : en
  • US2039006A - Apparatus for dispensing beverages : en
  • US2039007A - Rear engine mounting : en
  • FR797732A - Method and device for stacking workpieces on feeders : en fr
  • GB446213A - Hat cleaning machines : en
  • FR797682A - Manufacturing process of new anthraquinone dyes and their application in industry : en fr
  • GB446464A - Improvements in or relating to machines for winding coils for electrical devices : en
  • FR797717A - Process for the preparation of a bituminous material : en fr
  • GB446309A - Method and apparatus for the draining of vehicles : en
  • GB446308A - Improvements in or relating to coal breaking machines : en
  • PL22918B1 - : en pl
  • USD99445S - Design for a hot water- bottle cover : en
  • US2038648A - Meat block cleaning machine : en
  • US2038677A - Safety key for locks with tumblers : en
  • PL23044B1 - Method for the production of quinine 2,3-dioxynaphthalene-O-monoacetate. : en pl
  • US2039086A - Means for and method of reforming knuckles : en
  • US2038599A - Carrying out catalytic reactions : en
  • US2039251A - Perforating die : en
  • DE629328C - Base for electric lamps and discharge vessels, in which the contact pins are insulated and fastened in holes in a metal sleeve : de en
  • GB446347A - Improvements in electric cable systems : en
  • GB446433A - Improvements relating to electrical time measuring arrangements : en
  • CH183612A - Glazing. : de en
  • US2038737A - Mortise lock : en
  • US2038784A - Color wave projection apparatus : en
  • US2039060A - Scaffold : en
  • SU46631A1 - Device for measuring instantaneous values of periodically varying electrical processes : en ru
  • SU46633A1 - Electrostatic relay : en ru
  • CH183733A - Timepiece with a synchronous motor and an auxiliary movement for driving time-controlled devices such as clocks, timers and the like. : de en
  • FR797508A - Tempering process for mirrors and other sheets of glass : en fr
  • GB446475A - Apparatus for feeding animals : en
  • SU46609A1 - Electrodynamic microphone : en ru
  • SU46664A1 - The method of preparation of artillery compressor fluid : en ru
  • SU46842A1 - The method of dissolving cellulose in copper-ammonia solutions : en ru
  • US2038542A - Bolt machine : en
  • US2038589A - Zinc sulphide and a method of making the same : en
  • PL22942B1 - Artificial knee. : en pl
  • GB446292A - Lawn-mower attachment for edge trimming : en
  • PL22928B1 - Method of obtaining hydrogen peroxide from persulfate solutions. : en pl
  • PL22956B1 - 34 c, 5/30. Electric vacuum cleaner. : en pl
  • USD99479S - Design fob a coaster : en
  • USD99483S - Design fob a shoe ob similar article : en
  • SU46794A1 - Rudder : en ru
  • DE629221C - Internal combustion engine : de en
  • DE629334C - Peat board for insulation against heat and noise : de en
  • CH183816A - Self-sellers, in particular for electricity. : de en
  • DE629326C - Three-phase current meter : de en
  • DE629451C - Powder atomizer : de en
  • US2038965A - Striking clock : en
  • FR46344E - Automatic gear change device : en fr
  • US2038533A - Hydraulic shock absorber : en
  • US2039254A - Heat retainer : en
  • US2038903A - Banana rack : en
  • GB446289A - Improvements relating to braking apparatus for railway and other vehicles : en
  • FR797724A - Process for the manufacture of a width or strip of glass : en fr
  • US2039223A - Cutting or surfacing machine : en
  • FR797480A - Improvements to chi-ray or similar radiation cameras : en fr
  • FR46301E - Overdrive relay or gear reducer for automotive gearboxes and other applications : en fr
  • FR797422A - Aluminum welding improvements : en fr
  • FR797460A - Incandescent electric lamp : en fr
  • GB446530A - Improvements in or relating to power transmission systems including a hydraulic coupling or gear : en
  • PL22989B3 - A device for solidifying melted or dissolved salts. : en pl
  • SU46786A1 - Reduced size X-ray device : en ru
  • US2038983A - Automobile reverse movement control : en
  • FR797520A - Improvements in the manufacture of yarns and fabrics : en fr
  • GB446425A - Manufacture and application of a new copper-containing azo dyestuff : en
  • US2039089A - Unloader valve : en
  • CH183749A - Puller for double-edged razor blades. : de en
  • US2038891A - Bobbin : en
  • FR46317E - Improvements made to transparent walls separating environments in which different temperatures respectively prevail, in particular to the windows of gas masks : en fr
  • DE629365C - Electric resistance welding machine : de en
  • DE629182C - Process for the production of acid and lime-resistant derivatives of unsaturated oxyfatty acids : de en
  • CA357493A - Yarn twisting apparatus : en fr
  • DE629469C - Shower head with a spring-loaded valve body that opens due to the water pressure in the shower inlet : de en
  • FR797591A - Double-walled container for the transport of liquids, especially fermented liquids such as beer : en fr
  • GB446319A - Improvements in or relating to means for testing temperatures : en
  • DE629307C - Mobile fire brigade ladder that can be raised using a cable : de en
  • SU46543A1 - The method of obtaining cryolite from sodium fluoride and alumina sulphate in the presence of sodium sulphide : en ru
  • US2038716A - Automatic ribbon control for calculating machines : en
  • SU46599A1 - Wagon retarder : en ru
  • DK51573C - Device for Tobacco Treatment Machines for Spreading Tobacco Leaves. : da en
  • SU46604A1 - A device for guiding a self-propelled vehicle along a certain route : en ru
  • FR797549A - Self-functioning absorption refrigeration machine : en fr
  • US2038980A - Film guiding apparatus : en
  • US2039210A - Axle for vehicles : en
  • US2039003A - Apparatus for dehydration of tar emulsions : en
  • FR797455A - Hammer mill : en fr
  • SU46549A1 - The method of cleaning roaster gases from the mouse : en ru
  • AU2457335A - Improvements in or relating to the extraction of toxins from roots for the manufacture of insecticiddes : en
  • CH183709A - Flash lamp. : de en
  • CH183827A - Signaling installation to indicate the approach of a vehicle. : en fr
  • FR797674A - Semi-rigid packaging for small items, especially for toothbrushes, bottles and the like : en fr
  • GB446207A - Improvements in and relating to padlocks : en
  • SU46663A1 - Method of making lubricant composition : en ru
  • SU46754A1 - Oil Felt Filter Indicator for Automotive and Similar Engines : en ru
  • SU46790A1 - A method of manufacturing a reinforcing x-ray screens : en ru
  • US2038729A - Dispensing and refrigerating apparatus : en
  • US2038702A - Alternating current electric switch : en
  • US2038823A - Mail box : en
  • US2039118A - Tilting oscillation generator : en
  • US2039123A - Key operated control means for radio receiving sets : en
  • FR46329E - Advanced grill : en fr
  • GB446192A - Improvements in and relating to snow ploughs : en
  • SU46511A1 - Method for stamping hollow bodies : en ru
  • US2038613A - Hydraulic clutch and brake : en
  • FR797486A - Method for measuring the radiation of non-luminous radiations and devices allowing the realization : en fr
  • GB446231A - Improvements in or relating to electron discharge devices : en
  • US2038618A - Method and apparatus for producing containers : en
  • US2038975A - Semitrailer : en
  • US2038991A - Sealing device for refrigerator cabinets : en
  • SU46731A1 - Firearms Test Set : en ru
  • CA357481A - Barbituric acid derivative : en fr
  • US2038721A - Machine for the production of molded pulp articles : en
  • USD99466S - Design for a glove : en
  • FR797415A - Cinematograph taking standard-sized stereoscopic views on ordinary film with a single lens : en fr
  • DE629418C - Dusting device : de en
  • FR797432A - Method and device for separating vapors of oil or colloids from gaseous media : en fr
  • FR797452A - Improvements in devices for dispensing aerated liquids : en fr
  • FR797637A - Call diverting device : en fr
  • GB446165A - Improvements in or relating to arrangements for obtaining a stereoscopic effect by means of a single and flat moving film : en
  • US2039121A - Game device : en
  • US2038726A - Barium crown glass : en
  • US2038741A - Musical instrument or toy organ : en
  • BE414694A - : fr
  • US2038874A - Chemical manufacture : en
  • US2039053A - Refrigerating machine : en
  • US2039126A - Lock : en
  • US2038952A - Combined shopping bag and purse : en
  • CA357450A - Lubricating device : en fr
  • CA357490A - Cigarette : en fr
  • DE629459C - Device for controlling aircraft on the ground : de en
  • SU46702A1 - The method of preparation of the plates : en ru
  • FR797546A - Improvements made to electrical switches and their supports : en fr
  • FR797639A - Fishing reel : en fr
  • CH183645A - Dishwasher. : de en
  • US2038707A - Brake : en
  • US2038744A - Volume control and switching device : en
  • US2038800A - Method and apparatus for circulating molten glass : en
  • US2039028A - Electrical apparatus : en
  • US2039037A - Tube closure : en
  • US2038811A - Car dumper retarding mechanism : en
  • FR797545A - Improvements to vehicle suspension systems : en fr
  • FR797574A - Device for obtaining a low-noise typing of the character bars of a motor typewriter : en fr
  • GB446492A - Improvements in model or toy train sets and other toys moving on rails : en
  • GB446264A - Improvements in or relating to supply arrangements for luminous electric discharge tubes : en
  • DE629492C - Arrangement for the compensation of the influence of the magnetic field of the heating current with direct alternating current supply of the filament of cathode ray tubes : de en
  • FR797441A - Steam generator : en fr
  • CH183737A - White precious metal alloy. : de en
  • ES141142A1 - An electrode system with selenium electrode. : en es