• BE428063A - : en
  • US2121813A - Internal combustion engine : en
  • US2122055A - Sprinkler : en
  • AU316437A - Improvements in centrifugal pumps : en
  • US2122243A - Pressure gauge for internal combustion motors : en
  • DE661963C - Device for separating the ribs of leaf parts from shredded tobacco leaves : de en
  • FR829481A - Ultra-fast multi-directional switch : en fr
  • CA374764A - Copper oxychloride : en fr
  • US2122384A - Sedimentation apparatus : en
  • US2122386A - Pencil sharpener : en
  • US2121876A - Vehicle body mounting : en
  • CH198599A - Gear changing device for cycles and similar vehicles. : en fr
  • GB487966A - Improvements in or relating to circuits for sound reproducing or like apparatus : en
  • US2122165A - Resilient ironing surface : en
  • US2121939A - Wire fabric : en
  • US2121996A - Lubricating device : en
  • PL26719B1 - A method of producing water-soluble condensation products. : en pl
  • US2122168A - Air heating assembly : en
  • US2121990A - Television : en
  • US2122173A - Apparatus for mixing and reacting purposes : en
  • CH198621A - Process for the preparation of 6-bromo-testosterone-benzoate. : de en
  • US2121838A - Sound operated dice machine : en
  • US2122293A - Light fixture for cabinet structures : en
  • GB487871A - Improvements in or relating to building or like constructions and method of correcting acoustic properties of rooms or like enclosures : en
  • GB488032A - Improvements in hydraulic transmission systems : en
  • GB488049A - A method of preparing sheet metal elements for the reception of screw threaded elements and means for securing screw threaded elements in sheet metal elements : en
  • DE662008C - Method of obtaining hormones : de en
  • US2122392A - Electrolytic device : en
  • USD110280S - Design fob a tumbler : en
  • CA374662A - Dibenzoxacarbocyanine : en fr
  • US2121788A - Garment-like sleeping bag : en
  • US2121830A - Portable registering device : en
  • CH198503A - Direct current electric generator at constant current intensity. : en fr
  • CA374721A - Oscillation system : en fr
  • CH198598A - Freewheel hub with roller locking mechanism. : de en
  • GB487807A - Improvements in saucepans : en
  • CH198590A - Brake shoes, in particular for vehicle brakes. : de en
  • FR829616A - Improvements to forced circulation boilers : en fr
  • DE641823C - Textile printing form : de en
  • FR829441A - Process for producing solid dyes : en fr
  • AU104596B2 - Improvements in contrast control means for use with radio receivers and therionic amplifiers : en
  • CH198381A - Badger with a reservoir for liquid soap. : en fr
  • CH198397A - Footwear running part. : de en
  • DK54903C - Procedure and apparatus for cooling slag, ash and other incineration residues. : da en
  • FR829558A - Up-and-over lock gate : en fr
  • CH198600A - Drive without dead centers. : de en
  • AU104241B2 - Improvements in or relating to heavy hydrocarbon cracking apparatus for internal combustion engines : en
  • PL26656B1 - A method of producing stable solutions of compounds containing an active halogen, especially arylsulfonic acid dihaloamides. : en pl
  • PL26584B1 - Ignition device for tilting burners. : en pl
  • PL26673B1 - A method of coating * a metal or a metal alloy, especially an alloy containing iron or nickel or both, a protective layer by supersaturating its surface layers with another metal. : en pl
  • US2121978A - Cracking process : en
  • DE661806C - Dismountable steel bridge of variable span : de en
  • GB487811A - Improvements in or relating to aircraft having rotative wing systems : en
  • FR829507A - Constant height stone chaser for vehicles running on rails : en fr
  • GB488119A - Improvements in or relating to edison screw lamp-holders : en
  • US2122021A - Method of and apparatus for processing figs : en
  • US2122089A - Process for the manufacture of artificial resins : en
  • CH198576A - Method for storing, as well as for exhibiting objects, and installation for implementing this method. : en fr
  • AU104248B2 - Improvements in or relating to electric discharge tubes : en
  • US2122316A - Pressing machine : en
  • GB488258A - Improvements in or relating to dry powdered materials : en
  • US2121977A - Temperature control system : en
  • US2122030A - Electrical connection means : en
  • DE1439145U - : de en
  • DE662000C - Extractor hood for paint mist : de en
  • GB488078A - Improvements in or relating to sealing arrangements for the covers of arc furnaces : en
  • DE661894C - Gear change transmission, especially for motor vehicles, with several permanently engaged pairs of helical gears : de en
  • DE626139C - Process for the production of a dry element by cold means : de en
  • PL26665B1 - Self-firing mine thrower. : en pl
  • DE661966C - With a device for filling valve bags which is equipped with a centrifugal device which throws the goods into the sack in a horizontal or inclined direction : de en
  • GB488051A - Improvements in or relating to folding settees or chairs : en
  • US2122333A - Liquid vaporizing device : en
  • CH198444A - Stereoscopic rangefinder. : de en
  • US2121929A - Rolling mill : en
  • BE428066A - : en fr
  • US2121827A - Stripping : en
  • US2122104A - Pipe wrench : en
  • IE15069L - Handling pulverised materials : en
  • GB488047A - Improvements in high-pressure mercury-vapour electric discharge lamps : en
  • DE661133C - Attachment device to propeller hoods : de en
  • AU364537A - Improvements in reversing transmission gearing : en
  • AU424537A - Improvements in or relating to airtight joints between metals and ceramic materials : en
  • DE661843C - Process for intermediate or re-superheating of gases or fumes by means of the exhaust gases from deflagration chambers : de en
  • FR829531A - Further development of direct current motors with separate or shunt excitation : en fr
  • GB487978A - Improvements in and relating to slumber helmets or caps and like articles of head wear : en
  • GB488015A - Improvements in and relating to casting metals and alloys, particularly copper alloys in chill moulds : en
  • US2121920A - Internal combustion engine : en
  • US2122235A - Turbine : en
  • US2122389A - Animal dip : en
  • DE661821C - Cadmium alloy, in particular for lining bearings, and methods of manufacturing bearings : de en
  • GB488159A - Improvements in devices for removing the gills from fish and particularly from herrings : en
  • DE661728C - Device for regulating the pivoting process for parts pivotable about a joint : de en
  • FR829524A - Elastic connecting device : en fr
  • US2122065A - Wheel balancing unit : en
  • US2122216A - Bulk material dispensing device : en
  • DE661939C - Sieve or conveyor chute for bulk goods : de en
  • DE661987C - Metal saw blade, in particular circular saw blade, with toothed segments attached or inserted : de en
  • GB488279A - Improvements in or relating to universal joints : en
  • DE645236C - Steam burner operated with liquid fuel : de en
  • FR829439A - Process for preparing high molecular weight alcohols : en fr
  • FR829608A - Electrical communications cables : en fr
  • DE661506C - Process for the production of dialdehydes : de en
  • DE661817C - Process for increasing the resistance of glass to alkali metal vapors : de en
  • FR829434A - Electrolytic capacitor : en fr
  • GB488089A - Improvements in or relating to pumping apparatus including a centrifugal pump and a de-aerating pump : en
  • DE661895C - Storage device for machine parts, in particular on motor vehicles : de en
  • DE661773C - Coupling for trailers of motor vehicles : de en
  • US2122357A - Coin controlled switch apparatus : en
  • FR829621A - Method of connecting a high or low voltage shielded cable : en fr
  • DE661984C - Map book : de en
  • GB488064A - Improvements in machine for die casting bezels for fragile inserts from plastic materials : en
  • US2122185A - Method of welding lead and lead alloys : en
  • USD110265S - Design for a barrel for mechanical : en
  • CH198549A - Method for synchronizing a transmitter with at least one receiver according to the start-stop principle in telegraph systems, in particular those in which individual characters, broken down into character elements, are transmitted by pulses. : de en
  • DE661940C - Adjustment device for taking photographs of images that are generated with weak or invisible light : de en
  • DE661978C - Furniture, in particular a desk, with a writing surface that can be lowered into the frame and a roller shutter-like tabletop : de en
  • ES143960A1 - Method of construction of removable metal covers. : en es
  • FR829592A - Device for gearboxes for automobiles and similar vehicles : en fr
  • GB488132A - Improvements in and relating to a method of metallisation by cathode disintegration : en
  • PL26650B1 - Electric bulb with variable intensity. : en pl
  • US2121802A - Method and apparatus for strengthening fibers : en
  • US2121925A - Unhairing roll : en
  • US2121878A - Caster for sugar or other granular or powdered substances : en
  • US2122298A - Bus bar assembly : en
  • USD110285S - Design fob a heater : en
  • GB487994A - Improvements in or relating to polarisation filters : en
  • BE428170A - : en
  • CH198517A - Circuit arrangement for remote control of alarm devices. : de en
  • GB487914A - Device for correcting printed specimen of reproduction in line printing machines : en
  • GR7490B - IMPETITIVE INFLUENCE SYSTEM OF ENGINEERING WATER. : el en
  • IE15060L - Brushes, brooms, etc. : en
  • AU272337A - Improvements in and connected with electric hotwater jugs andthe like : en
  • GB487904A - Improvements in and relating to drop indicators for use in telephone circuits : en
  • GB488045A - Improvements in and relating to pistons for internal combustion engines : en
  • PL26590B1 - Rubber seal for doors and windows. : en pl
  • US2121776A - Method of calcining phosphate-bearing materials : en
  • DE661779C - Juggling and ball game equipment : de en
  • GB487879A - Apparatus for use in the feeding of animals : en
  • GB487857A - Improvements in pigments : en
  • DE661826C - Roll film camera with a cutting device : de en
  • ES144051A1 - A PROCEDURE FOR THE SIMULTANEOUS MANUFACTURE OF PURE ALUMINUM OXIDE AND AMMONIA-MAGNESIAN PHOSPHATE : en es
  • DE661859C - Device for forming external threads on the heads of glass vessels : de en
  • DE661992C - Stereo roll film camera : de en
  • DK54911C - Window construction for reinforced concrete buildings. : da en
  • DE661831C - Leveling firearm : de en
  • FR829635A - Improvements to transfer engines and two-stage compression engines : en fr
  • GB488183A - Process for the production of phenol-formaldehyde condensation products : en
  • US2121894A - Submarine lifeboat : en
  • GB487889A - Improvements in or relating to automatic speed control mechanism for spinning frames : en
  • GB488065A - Electric clockwork apparatus and method of synchronising same : en
  • FR829526A - Skill game : en fr
  • CA374717A - Box : en fr
  • DE661970C - Typewriter ribbon reel : de en
  • SU53409A1 - Method and device for spinning ammonium-copper silk : en ru
  • PL26570B1 - Keypad for number display. : en pl
  • US2122073A - Self-locking key : en
  • GB487863A - Improvements in or relating to pipe joints : en
  • GB488005A - Improvements in and relating to conveyor chains : en
  • US2121928A - Anthraquinone dyestuffs and process for their manufacture : en
  • FR829500A - Direct manufacturing process for plated metals and resulting products : en fr
  • FR829579A - Regulation device fitted with an electric servomotor controlled by a measuring device via relays : en fr
  • DE661794C - Centrifugal machine for cleaning dissolved fibers, especially cellulose, paper and the like. like : de en
  • US2121836A - Wearing apparel : en
  • GB487935A - Ground protective relay device for electrical equipment : en
  • GB488182A - Improvements in price tags : en
  • US2121856A - Seat construction : en
  • US2121812A - Apparatus for charging constant volume explosion chambers : en
  • US2122004A - Page turning tab : en
  • US2122231A - Signaling system for railroads : en
  • US2122326A - Rotary brush : en
  • CH198625A - Cushioning, in particular for motor vehicles. : de en
  • GB487824A - Process for the manufacture of amino-alkylesters of carbocyclic acids and of aliphatic amino-alcohols therefrom : en
  • GB488179A - A rolling mill for rolling strips, sheets and the like : en
  • FR829456A - Electrical resistance with positive temperature coefficient : en fr
  • DE661857C - Device for massaging the foot muscles : de en
  • FR829631A - Fluid sterilization improvements : en fr
  • FR829562A - Self-closing filling valve : en fr
  • FR829499A - Improvements to heavy fuel carburetor systems : en fr
  • DE661941C - Drive device for cinema machines : de en
  • DE661774C - Motor vehicle with a non-rigid frame : de en
  • CA374730A - Gelatin : en fr
  • CA374733A - Oil stabilization : en fr
  • BE427384A - : en
  • USD110286S - Design for a flowerpot or analogous : en
  • FR829583A - Glasses : en fr
  • GB487916A - Method and apparatus for the infinitely variable regulation of the output of air compressors : en
  • FR829528A - Azo dyes, processes for their preparation, and their industrial applications : en fr
  • FR829596A - Process for the manufacture of molded articles from fibrous layers impregnated with binders and products obtained : en fr
  • GB488039A - Process for insulating roof trusses and the like against fire caused by incendiary bombs and the like : en
  • GB487913A - Improvements in or relating to thermionic valve circuits : en
  • GB488095A - Process for the production of crease-proof textile material : en
  • DE662004C - Gear drive with endless racks and traveling drive motor for trash rack cleaners : de en
  • GB488068A - Improvements in and relating to valves : en
  • GB488076A - Improvements in or relating to oscillatory circuits : en
  • PL26610B1 - Lining of the groove in the friction disc or pulley. : en pl
  • PL26729B1 - Stereoscopic rangefinder with inverted images. : en pl
  • US2121820A - Box ejector : en
  • US2122149A - Bottle filling mechanism : en
  • US2122380A - Mast : en
  • DK54907C - Method of Extracting a Durable Water-Soluble Drug from Lactuca Virosa. : da en
  • AU429237A - Resilient suspension unit : en
  • CH198573A - Method and device for emitting optical signals in the dark, in particular when there is a risk of air. : de en
  • CH198440A - Sealing cap for bolt housing on automatic firearms. : de en
  • CH198561A - Device for eliminating radiation from heterodyne receivers. : de en
  • US2122383A - Sedimentation apparatus : en
  • GB487806A - Improvements in or relating to vacuum cleaners : en
  • GB487953A - Improvements in electric amplifiers involving thermionic valves and the like : en
  • US2122287A - Thickening, stirring, or agitating apparatus : en
  • CH198525A - AC switchgear. : de en
  • FR829422A - Filing cabinet, distributor and tester of lamps and electric batteries : en fr
  • AU295437A - Improvements in fluid flow governors : en
  • PL26716B1 - The method of manufacturing insulation boards. : en pl
  • US2121866A - Cover for sinks provided with sprinkling means : en
  • US2122124A - Water-soluble condensation products and a process of producing same : en
  • CH198476A - Stop device for belt connectors. : de en
  • AU244537A - Improvements in the production of seamless asbestos cement pipes : en
  • AU104557B2 - Improvement in cathodes for electron discharge devices and methods of fabrication : en
  • AU200737A - Improvements in discharge apparatus for retorts usedfor the distillation of coal or shale : en
  • PL26709B1 - Injection nozzle for internal combustion engines. : en pl
  • CH198366A - Snowplow device. : en fr
  • DE661917C - Gear teeth attached to the runner of synchronous or asynchronous miniature motors : de en
  • BE428345A - Improvements to electric cables : en fr
  • USD110325S - Design fob a textile fabric or : en
  • USD110256S - Design for a display box : en
  • FR829469A - Improvements to devices intended for the production of guide spokes without handling shocks : en fr
  • GB488151A - Method and apparatus for purifying liquids : en
  • DE661799C - Machine for filling and closing packaging sleeves : de en
  • US2121815A - Automobile : en
  • US2122174A - Apparatus for mixing and reacting purposes : en
  • DE661947C - Device for cleaning and degreasing wool and other animal fibers by freezing them in a cooling chamber : de en
  • CA374708A - Braking system : en fr
  • CH198428A - Process and device for producing plastic-looking film reproduction. : de en
  • DE661768C - Spark plug : de en
  • FR829537A - Antiptosic abdominal belt : en fr
  • GB488086A - Improvements in and relating to the spring suspension of motor vehicles : en
  • US2121772A - Traffic signal : en
  • US2121834A - Selective travel draft gear : en
  • FR829465A - Process for manufacturing artificial articles or products in cellulose solutions : en fr
  • GB487957A - Improvements in insulating bodies adapted to stand high temperatures : en
  • GB488198A - Improved compass swinging apparatus for use in connection with aircraft : en
  • CH198363A - Roof covering consisting of panels. : de en
  • PL26582B1 - A method for producing seamless hollow objects from plastics and an apparatus for carrying out the method. : en pl
  • FR829464A - Improvement in drawings and portraits : en fr
  • FR829466A - Lock enhancements : en fr
  • FR829593A - Shoe with toe protection, especially intended for minors : en fr
  • PL26637B1 - Stackable ring dryer. : en pl
  • US2122002A - Internal combustion engine : en
  • DE661954C - Rapidly running piston engine for high pressure hot steam : de en
  • AU104588B2 - Improvements in forks for single-wheeled trailers for motor and other road vehicles : en
  • AU304537A - New media for promoting the growth of plants : en
  • USD110250S - Design for a shoe : en
  • US2121777A - Windowpane and method of making same : en
  • US2121913A - Container valve : en
  • US2122284A - Differential driving mechanism : en
  • USD110246S - Design for a thermometer : en
  • DE661965C - Process for the production of heat protection compounds : de en
  • FR829553A - Pressure element distributor for gear shifting device such as automobile gearboxes : en fr
  • US2121826A - Door jamb : en
  • US2122037A - Utilization of waste gases : en
  • US2122278A - Fluorinated paraffin wax : en
  • GB487926A - Improvements relating to automatic ring valves for compressors and the like : en
  • FR829503A - Roller bearing : en fr
  • US2122306A - Radio control device : en
  • US2122335A - Method of making multiple passage hose : en
  • GB487921A - Improvements in or relating to photosensitive surfaces : en
  • FR829545A - Office accessory : en fr
  • US2122342A - Vehicle lamp : en
  • US2121796A - Projectile : en
  • PL26593B1 - Telecommunications translation for the transmission of pulses, incorporating an ion lamp. : en pl
  • US2122060A - Towel service cabinet : en
  • FR829435A - Device to support a broken limb and reduce fractures : en fr
  • US2122048A - Facial and toilet tissue holder : en
  • CH198544A - Apparatus for smothering bombs. : en fr
  • CH198559A - Telephone number dialer. : de en
  • US2121974A - Automatic starting system for engines : en
  • US2122108A - Shoe heel : en
  • US2122114A - Locomotive and tender : en
  • DE661754C - Automatic reversing device for electric motors to drive machines going back and forth : de en
  • PL26675B1 - Multi-thread amplifier lamp. : en pl
  • US2121863A - Faucet : en
  • US2122307A - Timer motor : en
  • DE658662C - Float switchgear, especially for cesspools or the like. : de en
  • GB487775A - Improved junction box for electric cables and the like : en
  • GB488013A - Improved form of air raid shelter : en
  • DE661872C - Suspension, especially for motor vehicles, with a rolling lever acting on the support leaf spring : de en
  • DE662034C - Process for the production of water-soluble sulphurous substances : de en
  • DE659663C - Process for the recovery of the sulphurous acid resulting from the sulphite pulp cooking process : de en
  • FI18146A - Fertilization requirements and anchorage for cellulose and liquid fiber pulp or for pulp production : en fi
  • GB488197A - Pneumatic mattresses and the like : en
  • FR829416A - Improvements to the seats used, particularly in coaches and railcars : en fr
  • GB488171A - Improvements in or relating to motion picture apparatus employing a film magazine : en
  • GB488025A - Improvements in and relating to the softening of water : en
  • US2122379A - Signaling system for railroads : en
  • US2121950A - Ball suspended dynamic counterweight : en
  • US2122163A - Permanent waving apparatus : en
  • GB488174A - Improvements in and relating to sliding doors : en
  • DE661888C - Device with cable drum for the laying and recovery of electrical field cables : de en
  • GB488257A - Improvements in trailer vehicles : en
  • DE662029C - Rotary grate for gas generator : de en
  • US2122282A - Electric valve translating system : en
  • DE661928C - Gas generator with multiple gas generator shafts : de en
  • DE634152C - Paternoster-like device for continuous extraction : de en
  • USD110279S - Design for a tumbler : en
  • FR829515A - Improvements to the differential mechanisms for transmissions and new double differential obtained by applying these improvements : en fr
  • FR829462A - Device for the transmission of messages by means of high-frequency carrier currents, preferably by conductors : en fr
  • GB487894A - Improvements in or relating to control mechanism for controlling the speed of a prime mover : en
  • GB488048A - Process for the production of photographic and kinematographic pictures in colour : en
  • GB488029A - A method of and apparatus for feeding tobacco to mechanism for forming a continuous tobacco filler : en
  • DE661980C - Changing furniture for briquette and coal boxes : de en
  • GB487979A - Improvements relating to punching machines, particularly for use in the manufacture of biscuits or the like : en
  • GB488121A - Improvements in the method of drawing sheet glass : en
  • FR829632A - Illuminance measurement method, and device for its implementation, in particular for the assessment of exposure times in photography : en fr
  • FR829525A - Two-way control device for mechanical or other parts of any kind : en fr
  • FR829587A - Reversible inkwell protects the ink against evaporation and clogging : en fr
  • FR829602A - Bar assembly link, in particular for tubular metal constructions : en fr
  • GB487825A - Conveyor truck for mines : en
  • US2121816A - Relay for fuel gauges : en
  • US2122211A - Exhaust nozzle : en
  • PL26689B1 - Automatic device for adjusting brake blocks of railway carriages and similar. : en pl
  • GB487804A - Process for rendering materials mothproof : en
  • AU104537B2 - Electric carrier wave transmitter : en
  • AU104550B2 - Multi speed driving mechhanism for operating sound recording and / or reproducing apparatus : en
  • CH198379A - Kitchen utensil for storing supplies. : de en
  • DE662002C - Device for treating cigars by pressing : de en
  • US2122323A - Device for fastening corsets : en
  • FR829403A - Improvement in pin-type fuse circuit breakers : en fr
  • FR829453A - Improvements to elastic systems with variable flexibility, in particular for vehicle suspensions : en fr
  • DE662001C - Apron deflection rail for single-apron stretching units : de en
  • CH198465A - Method of machining the raceways of ball or roller bearings. : en fr
  • DE661876C - Device for strapless fastening of skis to the boot sole : de en
  • FR829639A - Control and command device with adjustable marked positions : en fr
  • GB488161A - Improvements in and relating to fasteners for securing an article to an apertured support : en
  • DE661960C - Device for the production of pressed pieces : de en
  • GB488175A - Improvements in or relating to conveyers for cylindrical articles and more especially dollies for electric cells : en
  • FR829523A - Improvements to pressurized metal or alloy molding machines : en fr
  • FR829541A - Remotely manoeuvrable steam extraction valve with double safety shut-off : en fr
  • DE661915C - Electric current limiter : de en
  • DE661967C - Cell conveyor with carriers that can be lowered in relation to its bottom : de en
  • GB487898A - Improvements in mercury arc converters : en
  • GB487885A - Improvements in or relating to a method of making composite re-enforced sheet material, particularly for box corner stay strips : en
  • GB488019A - Improvements in or relating to steering-mechanism for cycles : en
  • GB488260A - Improvements in or relating to radio and like receivers : en
  • GB488125A - Improvements in floor and roof construction : en
  • DE661997C - Security device against theft of vehicles, in particular motor vehicles : de en
  • GB487988A - Improvements in or relating to teapots : en
  • FR829458A - Improvements to equipment for extrusion, or press spinning, of metals : en fr
  • GB487867A - Improvements in and relating to alternating current watt-hour meters : en
  • FR829533A - New system and device for all internal combustion and combustion engines : en fr
  • US2121854A - Weatherstrip : en
  • US2122158A - Receptacle : en
  • US2122347A - Seat : en
  • CH198596A - Weather protection device for use on bicycles. : de en
  • US2122302A - Carton filling device : en
  • FR829574A - Improvements to toilet paper : en fr
  • DE661902C - Process for the simultaneous production of 4-methylquinoline, N-phenylpyrrole and butadiene : de en
  • US2122027A - Illuminated license plate taillight : en
  • US2122213A - Orthodontic model former : en
  • US2122279A - Method of making a golf ball : en
  • CH198622A - Radio receiver. : de en
  • FR829610A - Pre-filling valves for hydraulic presses : en fr
  • GB488101A - Improvements relating to heat-radiating tubes : en
  • DE661969C - Method and device for equipping socks and socks on flat molds : de en
  • FR829650A - Method and device for recovering carbon disulphide : en fr
  • GB487887A - Improvements relating to phase adjusting arrangements for alternating current electromagnets : en
  • DE661726C - Weight compensation device for folding davits : de en
  • PL26701B1 - Method for obtaining organic compounds from acid post-refining waste. : en pl
  • GB487886A - Device for measuring deformation of machine frames and the like under load : en
  • GB488150A - Improvements in electric condensers : en
  • USD110322S - Design fob a clothes drying frame : en
  • GB488139A - An improved method of regulating the temperature of a room or space heated by a heating plant having a large thermal capacity : en
  • GB488170A - Improvements in or relating to apparatus for filling liquid in measured quantities into containers : en
  • US2121798A - Interlocking system for railroads : en
  • GB487802A - Improvements relating to hydraulic brakes : en
  • GB487947A - Gear control system for power-driven vehicles : en
  • DE661715C - Device for straightening workpieces emerging from a collecting container with subsequent conveyance for further processing : de en
  • DK54900C - Digit Detector and Digit Transmitter Device for Telephone Systems. : da en
  • GB487919A - Improvements in or relating to coke ovens : en
  • GB488020A - Improvements relating to protective switching apparatus for electric motors : en
  • DE661855C - Safety device for gas-heated water heaters : de en
  • DE661910C - Transmission system with voice-operated feedback or echo blocking : de en
  • DE661836C - Clarification plant with an upstream separating device designed as a separating screw : de en
  • US2122390A - Steam boiler : en
  • US2121786A - Washing machine : en
  • CH198616A - Printing device on scales. : de en
  • CH198626A - Cushioning, in particular for motor vehicles. : de en
  • AU104284B2 - Improvements in and relating to garden or hedge shears andthe like : en
  • AU104598B2 - New media for promoting the growth of plants : en
  • CH198586A - Bodywork for automobiles. : de en
  • CH198538A - Device with a high pressure metal vapor discharge tube. : de en
  • CA374802A - Piston : en fr
  • PL26649B1 - Hand grenade. : en pl
  • US2121926A - Machine for closing bags : en
  • US2122227A - Tank fitting : en
  • DE661777C - Device for adjusting and locking the pivoting windows of vehicles, in particular motor vehicles : de en
  • GB487950A - Improvements in or relating to the manufacture of composite wires, rods or bars : en
  • GB487882A - Improvements in fastening devices for belts and the like for personal wear : en
  • GB487960A - Improvements in and relating to universal couplings for shafts : en
  • DE658436C - Process for improving flours and doughs : de en
  • DE661820C - Retractable device for typewriters in the knee room under the desk drawer : de en
  • GB487816A - Improvements in exhaust silencers for internal-combustion engines : en
  • GB487987A - Improvements in or relating to shock absorbers for the suspension systems of automobiles and other vehicles : en
  • GB487903A - Improvements in or relating to incandescent electric lamps : en
  • DE661883C - Process for the production of sulfonation products from higher molecular weight fatty alcohols or naphthenic alcohols : de en
  • GB487864A - Improvements in or relating to repair devices for tire covers or casings : en
  • IE15134L - Manufacture of unhaired hides : en
  • GB488056A - Improvements in or relating to apparatus for stringing tennis rackets and the like : en
  • BE427870A - : en fr
  • DE661913C - Circuit breaker of the support type with two isolating contacts operated by a positive-action gear with the power switching element : de en
  • FR829618A - Condensation products containing sulfur and their preparation process : en fr
  • AU253738A - The manufacture of pyrimidine compounds : en
  • CA374724A - Plyboard : en fr
  • GB487909A - Improvements in or relating to jacks : en
  • US2122178A - Diffusing light polarizer : en
  • CH198437A - Projectile fitted with a rocket. : en fr
  • CH198553A - Telecommunication system for multiple high frequency wire radio. : de en
  • DE661920C - Arrangement for the excitation of synchronous AC machines when charging lines : de en
  • FR829634A - Envelope system making it possible to isolate its content with a view to ensuring its conservation : en fr
  • GB487961A - Improvements in and relating to ceramic masses for electrical insulation : en
  • CA374667A - Magnesium hydroxide : en fr
  • US2122220A - Door retainer : en
  • US2122343A - Lubricated dust guard : en
  • US2121877A - Ultrahigh frequency electron discharge modulator : en
  • USD110288S - Design for an electric fence con : en
  • PL26628B1 - Coated electrode for electric arc welding. : en pl
  • FR829417A - Lock enhancements : en fr
  • CA374672A - Volume control circuit : en fr
  • DK54896C - Apparatus for preheating the evaporator and burner on cooking appliances or incandescent lamps. : da en
  • DE661993C - Process for the preparation of a photographic exposure material for color halftone images : de en
  • PL26652B1 - Oscillator, decoupled by synchronization pulses, containing a cathode ray tube and grid and anode circuits coupled together, and a device for receiving images with such an oscillator, : en pl
  • US2121823A - Manufacture of sulphonium compounds : en
  • US2122033A - Jaw crusher plate : en
  • US2122192A - Roofing or sheet product : en
  • USD110313S - Design fob a dbess : en
  • CH198458A - Arrangement on projectors. : de en
  • AU247137A - New and improved method of and means for making ceramic articles : en
  • DE661692C - Arrangement and procedure for the protection of electrical power cables : de en
  • DE661756C - Process for the production of dyes of the naphthalene-1íñ4íñ5íñ8-tetracarboxylic acid series : de en
  • FR829437A - Accessory device for automatic scales allowing the lever carrying the discharge flaps to be released for weighing the remains : en fr
  • PL26583B1 - A method of producing dental amalgam alloys in the form of thin scales in one working process. : en pl
  • US2121801A - Centralized traffic controlling system for railroads : en
  • US2122270A - Pigmentation of resinous condensation products : en
  • FR829527A - Process for preparing sulfur dioxide : en fr
  • US2122091A - Method and apparatus for producing course indication : en
  • US2121973A - Hat fastener : en
  • US2122200A - Apparatus for conveying objects treated in continuously operating furnaces : en
  • FR829488A - Auto Accident Device : en fr
  • FR829647A - Process for the repair of paved roads : en fr
  • AU239737A - Improvements in dewooling machines : en
  • CA374798A - Castellated nut blank : en fr
  • DE661862C - Inclinometer : de en
  • CA374783A - Rotating amusement device : en fr
  • US2121886A - Electric lamp plug connecter base and socket : en
  • US2121962A - Soundproof wall structure and structural member for use therein : en
  • PL26586B1 - A method of improving color. : en pl
  • DE661868C - Device for screwing and unscrewing work pieces : de en
  • DE661900C - Process for the uninterrupted processing of meltable goods : de en
  • DK54910C - Window, especially for Stables. : da en
  • CH198424A - Photographic camera with a coupled basic rangefinder, which allows the determination of the aperture value belonging to a certain depth of field. : de en
  • AU188237A - Improvements in or relating to methods of and apparatus for treating, moistening or tempering products : en
  • CA374751A - Safety glass manufacture : en fr
  • AU241037A - An improved method of and means for mounting a lead-away pipe to adjacent or attached wash troughs : en
  • AU247737A - Container for eggs andthe like : en
  • CA374698A - Film manufacture : en fr
  • CH198529A - Mercury cathode discharge tube with anchoring body partially immersed in the cathode mercury. : de en
  • DE661793C - Process for the manufacture of panels from pulp : de en
  • FR829504A - Glue : en fr
  • FR829554A - Improvements to coagulation processes : en fr
  • US2122170A - Method for withdrawing materials from high-speed rotary furnaces : en
  • USD110260S - Design fob a casket flower holder : en
  • CH198408A - Process for the preparation of halogenated phthalocyanine dyes. : de en
  • US2122265A - Coin operated vending device : en
  • US2122303A - Neck band forming apparatus : en
  • PL26604B1 - Wheel for rail vehicles with conical cylindrical roller bearings. : en pl
  • CA374711A - Multi-colour printing by electric beams : en fr
  • PL26632B1 - A link for offsetting or approaching two structural parts, provided with rods pivotally attached to these parts. : en pl
  • USD110293S - Design for a pin clip : en
  • CA374659A - Sulphur production : en fr
  • CA374801A - Piston expander : en fr
  • US2121884A - Sewing machine : en
  • US2121828A - Animal restrainer : en
  • USD110252S - Design for a face massager or the : en
  • US2122273A - Control of electric motors : en
  • PL26607B1 - Method for separating acid gases from ammonia. : en pl
  • USD110281S - Design for a tumbler : en
  • US2122160A - Resistor : en
  • CH198545A - Protective device against harmful gases and airborne particles. : en fr
  • AU104271B2 - Temperature control system : en
  • USD110284S - Design fob a collar holder : en
  • CA374768A - Textile processing : en fr
  • CA374784A - Vegetable slicing machine : en fr
  • CH198386A - Traveling field induction motor for driving web shuttle. : de en
  • CH198412A - Process for metallizing substrates by metal vapor deposition, with certain areas of the substrates to be metallized being left free from metal. : de en
  • US2122295A - Luminair : en
  • USD110319S - Design for a glove : en
  • CA374705A - Magnetic brake : en fr
  • GB488140A - Improvements in and relating to water-jet apparatus : en
  • CA374725A - Carton : en fr
  • US2121872A - Manufacture of articles from plastics : en
  • DE661901C - Method and device for the hydrogenation of coal or carbon-containing substances : de en
  • AU104472B2 - Improvements in or relating to airtight joints between metals and ceramic materials : en
  • CA374774A - Fuel atomizing apparatus : en fr
  • DE661782C - Liquid level indicator : de en
  • CA374787A - Tractor wheel : en fr
  • AU430037A - Improvements in or relating to magazine for razorblades : en
  • GB488135A - Door retainers or holders : en
  • US2121837A - Air conditioning apparatus : en
  • US2122054A - Bushing for steel barrel heads : en
  • GB488277A - An anti-dazzle device for use on vehicles : en
  • CH198512A - Electrical communication cable and method for its manufacture. : de en
  • US2122127A - Ortho-hydroxyazo dyes and process for manufacturing the same : en
  • FR829498A - Left-turn driver : en fr
  • US2122315A - Fire escape : en
  • GB488172A - Suspension means for motor-vehicles : en
  • DE661811C - Process for the production of asymmetrical Kuepen dyes of the thioindigo series : de en
  • US2122171A - Combined hat and handbag : en
  • DE661865C - Drive arrangement on potato harvesting machines for the shaftless screening drum attached to the coulter : de en
  • CA374786A - Clothespin : en fr
  • CH198522A - Voltage sensitive arrangement for control purposes. : de en
  • AU425237A - Improvement in cathodes for electron discharge devices and methods of fabrication : en
  • GB487829A - Improvements in and relating to fusible elements for protecting electric circuits : en
  • GB488082A - New or improved electric hot water supplying apparatus : en
  • CA374722A - Coupling system : en fr
  • US2121873A - Telegraph printer : en
  • US2121988A - Metal container : en
  • FR829410A - Method and apparatus for carbonizing wood, lignin, peat : en fr
  • FR829436A - Apparatus for measuring distances and indicating routes on geographical, topographical, marine or the like maps : en fr
  • FR829643A - Detachable nicotine retaining hearth pipe : en fr
  • GB488547A - Improvements relating to tubes for concealing the flex of electric light pendants : en
  • USD110249S - Design fob a shoe : en
  • FR829615A - High expansion engine by rejecting the excess gas allowed : en fr
  • US2122255A - Cool smoking pipe : en
  • USD110261S - Design fob a service bab counter : en
  • DE662035C - Process for the production of laxatives : de en
  • FR829536A - Further training in absorption refrigeration machines : en fr
  • FR829576A - Amplifier devices, in particular for telephone sets : en fr
  • GB487949A - Improvements in treating textiles and oils therefor : en
  • GB488166A - Cages for ball bearings : en
  • GB488103A - Process for the manufacture of pregnendiones : en
  • US2121793A - Absorbents for hydrogen sulphide : en
  • US2122137A - Alkyloxy and aryloxy phthalocyanines : en
  • US2122378A - Resilient yielding material : en
  • CH198491A - Two-stroke U-cylinder engine. : de en
  • US2122362A - Control mechanism for paper making machines : en
  • US2122387A - Stock selecting and indicating system : en
  • USD110331S - Design for a textile fabric or : en
  • FR829423A - Improvements to radiators, especially those intended for oil cooling in electric current transformers : en fr
  • FR829430A - Process for preparing titanium pigments : en fr
  • DE661924C - Arrangement for measuring the relative phase shift of two alternating voltages of the same frequency by means of two tubes connected in push-pull : de en
  • US2121941A - Sound transmitting apparatus : en
  • FR829595A - Device for assembling flat elements in flexible material : en fr
  • US2121864A - Printing machine : en
  • DE661780C - Sealing sleeve for band iron tires : de en
  • DE662036C - Procedure for the initiation and execution of core processes : de en
  • FR829580A - Liftable aircraft stand : en fr
  • USD110301S - Design for an embroidered textile : en
  • DE661952C - Rack and pinion winch for hoists with two or more automatically foldable racks : de en
  • GB487934A - Improvements in or relating to the dyeing or analogous fluid treatment of textile fibres : en
  • GB487924A - Improvements in covers for textile rolls and methods of making the same : en
  • PL26669B3 - A method of closing vessels containing a gas having a pressure higher than atmospheric pressure, and a device for closing the vessels in this manner. : en pl
  • GB487906A - Airships : en
  • FR829433A - Means of protecting surfaces against icing : en fr
  • FR829572A - Packaging more particularly intended for food products : en fr
  • FR829614A - Power shoe for all intensive exercises and especially for skiing : en fr
  • FR829623A - Method of establishing projectiles with high perforation power and new products resulting therefrom : en fr
  • US2122240A - Replaceable molded rubber mat : en
  • ES143540A1 - A double metal chip with relatively thin veneers. : en es
  • FR829640A - Device for controlling the movements of a mobile and in particular an elevator car or freight elevator : en fr
  • GB488058A - Improvements in or relating to a winding mechanism for a keyless watch : en
  • GB487971A - Improvements relating to liquid spraying apparatus : en
  • FR829487A - Method and regulating device for continuously operating distillation apparatus : en fr
  • GB487963A - Improvements in or relating to water tube steam boilers : en
  • US2122360A - Chuck : en
  • DE661493C - Device for automatic or semi-automatic starting of electric motors : de en
  • US2122188A - Process for manufacturing viscose : en
  • US2121930A - Heating device and the like : en
  • US2122194A - Automatic welding torch : en
  • US2121882A - Electrode : en
  • DE661999C - Seal-like closure for letters, valuables parcels or the like. : de en
  • US2122203A - Continuous hardness tester : en
  • DE661923C - Device for automatic temperature compensation of the display of electrometric measuring arrangements : de en
  • FR829474A - Mixed anode for electrolytically deposited metal : en fr
  • GB487884A - Improvements in the measurement of roentgen rays : en
  • DE661986C - Ball joint : de en
  • GB488011A - Meter for all kinds of liquids : en
  • GB488035A - Improvements in or relating to vulcanized halogen containing rubber derivatives : en
  • AU104531B2 - A machine for cutting sheets of wood adapted tobe used inthe manufacture of laminated wood products : en
  • GB488220A - Process for the reduction of iron ores and the production of ferro-alloys : en
  • GB487944A - Improvements in and relating to stencil duplicators : en
  • DE661837C - Double-walled velvet cutting rod with exchangeable knife : de en
  • GB488033A - Improvements in abrasive products and methods of manufacturing them : en
  • US2122083A - Method of and apparatus for producing corrugated glass sheets : en
  • US2122103A - Toy : en
  • USD110235S - Design fob a shoe : en
  • AU104567B2 - Hair waver bobbin and socket holder : en
  • CH198555A - Receiving device for high-frequency messages transmitted via cable networks. : de en
  • GB488063A - Process of dewaxing oils : en
  • GB578906A - Improvements in aerial mines or parachute bombs and the like : en
  • US2122204A - Jar ring lathe : en
  • US2122338A - Shuttle for looms : en
  • PL26596B1 - Electric signaling device to signal a change in the position of a protected object. : en pl
  • DK54904C - Yarn knitting machine for the production of two or more threads of knitted yarn. : da en
  • GB488094A - Improvements in or relating to thermionic valves and thermionic valve circuit arrangements for use on short waves : en
  • CH198404A - Process for cleaning caustic soda solutions. : de en
  • GB487826A - Lugged stilts for roof supports in mines : en
  • PL26687B1 - A method of making a tea substitute. : en pl
  • US2122057A - Selected time reminder : en
  • US2122325A - Method of forming a collapsible container : en
  • SU53405A1 - Steam-powered unit with steam accumulator and steam turbine : en ru
  • US2121901A - Tubular body forming apparatus : en
  • DK54924C - Method of Making Cigarettes. : da en
  • GB488199A - Improvements in and relating to single-cylinder steam engines : en
  • DK54917C - Crusher for decomposition of vegetable and animal raw materials. : da en
  • US2121938A - Insole and method of making the same : en
  • US2122112A - Centralized traffic controlling system for railroads : en
  • PL26672B1 - Device for preventing boiler contamination. Patent dependent on patents No. 3033 and No. 3070. : en pl
  • FR829482A - Improvements in rectilinear hosiery looms : en fr
  • FR829539A - Process for the extraction of glycerin from distillery vinasses and other industrial residues containing this product : en fr
  • FR829613A - Trailer for <<camping>> use with horizontal folding to its walls to facilitate its transport on the road, the reassembly of the latter taking place very quickly : en fr
  • GB488115A - Process for preparing triturations of fresh plants : en
  • DE661892C - Internal combustion turbine : de en
  • DE661874C - Writing utensils, especially fountain pens or fountain pens, with a conical tip and finger-adapted support surfaces on the handle shaft : de en
  • PL26585B1 - Gas burner for heating, fired with crude oil and equipped with a gas fired unit. : en pl
  • FR829577A - Wave filter : en fr
  • DE662033C - Arrangement for determining the electrical properties of human skin or other bodies with relatively low electrical conductivity : de en
  • FR829490A - New use of superimposed or concentric pugs : en fr
  • ES143756A1 - A procedure in the use of self-calcination electrodes. : en es
  • PL26619B1 - A device for collecting the lubricating oil flowing from the crankshaft and connecting rod bearings in internal combustion piston engines. : en pl
  • GB488252A - Improvements in the shielding of the ignition wires of internal combustion engines : en
  • GB488920A - Improvements in or relating to electron-optical systems : en
  • US2121998A - Kerosene : en
  • US2122206A - Translator for record controlled machines : en
  • US2122330A - Torque and speed increasing gearing : en
  • GB488036A - Manufacture of nitriles : en
  • US2122078A - Posture meter : en
  • AU104337A - v Educational palettes or value control palettes : en
  • AU541037A - Improvements in book-form savings boxes : en
  • CA374669A - Volume control circuit : en fr
  • US2122049A - Safety device : en
  • AU290737A - Improvements in or relating to electric discharge lamps comprising luminescent materials : en
  • US2122014A - End gate : en
  • AU496337A - Hair waver bobbin and socket holder : en
  • AU298837A - Improvements in contrast control means for use with radio receivers and therionic amplifiers : en
  • AU104237B2 - Regulating device for refrigerating machines : en
  • AU104245B2 - Incandescent screen fora cathode ray tube : en
  • CH198435A - Toy. : en fr
  • DK54915C - Pipe Coupling for Connecting Sinks and Their Drain Pipes. : da en
  • GB488263A - Improvements in or relating to electric cable clips : en
  • AU104532B2 - An improved method of and means for mounting a lead-away pipe to adjacent or attached wash troughs : en
  • US2121848A - Indicator : en
  • US2121888A - Underreamer : en
  • CH198464A - Method and device for producing screw threads. : de en
  • AU553537A - Methods of forming composite metal stock : en
  • CH198550A - Touch microphone with a microphone capsule built into a housing. : de en
  • AU304737A - Multi speed driving mechhanism for operating sound recording and / or reproducing apparatus : en
  • AU543637A - Improvements in or relating toa method of and apparatus for controlling the flow of refrigerant in refrigerating systems : en
  • US2122010A - System for the reception and reproduction of sound : en
  • US2122280A - Elastic fluid generator arrangement : en
  • CH198475A - Lanyard. : de en
  • AU104552B2 - Electric frequency separator : en
  • AU26938A - Improvement in shutter actuator : en
  • BE428221A - : en
  • PL26568B1 - : en pl
  • PL26684B1 - A high-stage short-path distillation method and apparatus for carrying out the method. : en pl
  • USD110332S - Design fob a textile fabric or : en
  • US2121853A - Typewriter : en
  • CH198374A - Device for the automatic regulation of the combustion air supply to the boiler of hot water heating systems with coal firing. : de en
  • US2121895A - Electric power apparatus : en
  • US2121822A - Stretching and fitting device : en
  • PL26634B1 - Suspension of the wheels on the shoulders of vehicles, especially cars. : en pl
  • BE428101A - Process for the preparation of aneurine : en fr
  • DE661955C - Vehicle powered by high pressure steam with two independently driven power generators : de en
  • CH198594A - Air hose for vehicles, in particular bicycles. : de en
  • DE662042C - Articulated belt connector : de en
  • AU104292B2 - The manufacture of new resin condensation products : en
  • CA374704A - Magnetic track brake : en fr
  • CA374727A - Carton : en fr
  • BE428253A - : en fr
  • CH198543A - Process for the production of windowed objects, in particular gas protective masks. : de en
  • DE661979C - Table, in particular a typewriter table, with table top parts that can be moved as a function of one another : de en
  • PL26611B1 - The safety device will prevent undesirable movements. Loading device * of the self-acting device filling the extraction vessels or trolleys : en pl
  • US2122191A - Sound translation apparatus : en
  • CH198436A - Impeller for gun mounts. : de en
  • GB487803A - An improved means of safeguarding a water intake against choking by debris : en
  • CA374735A - Meat treatment by vacuum : en fr
  • CH198460A - Electric clockwork movement. : en fr
  • AU104296B2 - Improvements in razors : en
  • AU104540B2 - Improvements in or relating to radio transmitter arrangements : en
  • GB488153A - An improved support for a railway rail : en
  • GB487942A - Improvements in or relating to self-filling fountain pens : en
  • US2122365A - Method of producing sheet metal cages for cylindrical roller bearings : en
  • PL26617B1 - Electromagnetic rail brake. : en pl
  • US2121927A - Deep well pump : en
  • AU104257B2 - An improved device for minimising 'water hammer' and the like in water supply systems : en
  • CA374689A - Can washer valve device : en fr
  • DE662013C - Evaluation device for perforated registration elements : de en
  • AU303037A - Radiating and receiving systems for ultrashort electromagnetic waves : en
  • DE661745C - Process for the production of fading layers for multicolored light prints, in particular for multicolored blueprints : de en
  • GB488181A - Apparatus for effecting the reversing and steering during reversing and swinging, of a screw-propelled vessel : en
  • CH198403A - Process for the production of catalysts for organic chemical reactions and catalyst produced by the process. : de en
  • CH198593A - Method for preventing accidental deflation of an inner tube of a tire when a perforation is produced in this inner tube and device for carrying out this method. : en fr
  • GB488024A - Improvements in or relating to road traffic control systems : en
  • USD110296S - Design fob a brooch or similar : en
  • US2121782A - Supporting mechanism for locomotives : en
  • US2121797A - Transcript or note holder : en
  • US2122029A - Method of deodorizing : en
  • US2122393A - Electrolytic device : en
  • AU104584B2 - Pneumatic boxing glove : en
  • BE428301A - Mixtures for coating layers : en fr
  • CA374683A - Fabricated structure : en fr
  • AU104574B2 - Improvements in spring covers for leaf springs : en
  • BE428039A - : en fr
  • CA374707A - Magnetic track brake : en fr
  • AU104551B2 - Permanent hair waving apparatus : en
  • AU195337A - Improved means for preventing creep of pneumatic tyres on wheels or rims : en
  • US2122013A - Refrigerating apparatus : en
  • US2122344A - Narrowing device for flat knitting machines : en
  • US2121841A - Dispenser for carbonated drinks : en
  • US2122242A - Spark plug : en
  • FR829550A - Process for dissolving cellulose ethers in fatty oils and waxes : en fr
  • US2121892A - Gasoline meter for internal combustion engines : en
  • USD110306S - Design for a dress : en
  • CA374728A - Slicing machine : en fr
  • CH198608A - Screw drive device, in particular for ships. : de en
  • AU298737A - An improved mop : en
  • CA374731A - Container cover : en fr
  • DE661907C - Contact wire system, especially for trackless railways : de en
  • US2121970A - Coin controlled apparatus : en
  • FR829440A - Rubber Compositions : en fr
  • GB488099A - Process for dyeing fibres of cellulose or regenerated cellulose alone or in admixture with other fibres : en
  • AU104558B2 - Improved hydraulic engine ofthe annular chambered rotary type : en
  • BE428088A - Process for the pre-treatment of seeds : en fr
  • FR829407A - Device to facilitate the passage of the products to be galvanized during their galvanization in multi-layer baths : en fr
  • FR829551A - Process for cracking hydrocarbon oils : en fr
  • GB487973A - Improvements in and relating to machines for grinding or sharpening knives and the like : en
  • GB488027A - An improved method and apparatus for forming a continuous tobacco filler : en
  • US2121904A - Torch or lamp : en
  • US2122148A - Filling machine : en
  • US2122351A - Parking meter : en
  • CA374777A - Driving implement : en fr
  • CA374658A - Sulphur production : en fr
  • CH198361A - Method for controlling insects. : de en
  • CH198451A - Method for measuring the oxygen content of gases, in particular flue gases, and device for carrying out the method. : de en
  • DE661784C - Short-circuit braking circuit of main circuit motors : de en
  • GB487959A - Improvements in saws : en
  • CH198486A - Centrifugal compressor system driven by a condensation steam engine. : de en
  • PL26692B1 - Copper-silicon alloy. : en pl
  • US2122309A - Garment hanger : en
  • USD110317S - Design fob a dress : en
  • US2121865A - Ticket strip : en
  • US2121897A - Power take-off device for automobile trucks and tractors : en
  • DE652861C - Process and device for the distillation of hydrogen peroxide : de en
  • DE661649C - Motor drive device : de en
  • GB487899A - Improvements in secondary emission electron multipliers : en
  • CA374701A - Lubricating device : en fr
  • CH198482A - Oscillating weight balancing mechanism. : en fr
  • FR829575A - Improvements made to the construction of floors or ceilings using hollow elements in fired material : en fr
  • GB487865A - Improvements in and relating to electric eddy current brakes : en
  • GB487908A - Improvements relating to non-return valves and like valves : en
  • US2122077A - Roofing construction : en
  • DE662028C - Filters with short-circuit points on both sides of the desired frequency range : de en
  • US2122051A - Conductor fitting : en
  • US2122341A - Combined steam and electric locomotive : en
  • PL26706B1 - A way of an athlete dragging women to pieces and equipment to carry out a toga method. : en pl
  • CH198488A - Device for mixing the fuel and the combustion air in injection internal combustion engines. : de en
  • DE629035C - Replaceable tread for footwear : de en
  • FR829502A - Method and device for filling dispensing containers with flexible membranes : en fr
  • DE661922C - Earth fault indicator for high and high voltage three-phase networks : de en
  • FR829599A - Mixing or adjusting device for sound films : en fr
  • GB488185A - Improvements in or relating to liquid-stream-direction indicators and/or recorders : en
  • FR829505A - grip element for anti-slip and anti-slip chains : en fr
  • GB488067A - Improvements in and relating to gramophone cabinets : en
  • GB487823A - Splint for medical purposes and packing therefor : en
  • US2121900A - Insulin preparation : en
  • AU104260B2 - Improvements in or relating to packaging cheese : en
  • AU104592B2 - Improvements in book-form savings boxes : en
  • CH198566A - Electrical alarm system, especially security system for reporting fire or burglary. : de en
  • GB487828A - Improvements in fishing nets : en
  • DE661860C - Device for combustion air supply for pressurized combustion systems : de en
  • DK54905C - Procedure for tanning hides and skins. : da en
  • PL26659B1 - : en pl
  • GB487900A - Means for moving trucks, trams, gates and other devices : en
  • FR829412A - Improvements in the means used to supply clean air to rooms or other rooms or premises : en fr
  • FR829590A - Device for clamping wire ends applicable in particular to the making of electrical connections, etc. : en fr
  • IE14949L - Radio receivers : en
  • DE661818C - Crockery basket for dishwashers with a frame, the wires of which are covered with rubber : de en
  • GB488136A - Improvements in seat supports and hinges for school desks : en
  • GB488193A - Improvements in the manufacture and production of dyestuff powders : en
  • GB487931A - Improvements in springing systems for upholstered furniture : en
  • US2122067A - Rim release oil clutch : en
  • US2122143A - Plate shaving machine : en
  • CH198432A - Sheet music holder for harmonicas. : de en
  • FR829601A - Heating installation in which the heat of the heating medium is transmitted by radiation to the room to be heated : en fr
  • GB487917A - An improved end closure for paper bags and opening means therefor : en
  • CA374718A - Shaft coupling : en fr
  • CA374773A - Carbureter apparatus : en fr
  • GB488023A - Improvements in or relating to cost and quantity indicating counters : en
  • CA374799A - Pivot : en fr
  • DE661921C - Method for switching off an arrangement for the mutual exchange of power between AC networks of any frequency, phase and voltage : de en
  • FR829404A - Automatic circuit breaker reclosing device : en fr
  • DE661991C - Photographic jumping camera : de en
  • AU109558B2 - Improvements in and relating to pneumatic ejector plant : en
  • AU495437A - Improvements in and relating to automatic exhaust steam control means : en
  • AU104269B2 - Improvements in and relating to filters of the edge filtration type : en
  • AU104583B2 - Improvements inthe manufacture of hollow glass building blocks : en
  • CH198627A - Direction indicator on motorcycles. : de en
  • AU104536B2 - Improvements relating togas cutoff valves : en
  • US2122144A - Stocking display device and the like : en
  • GB488041A - Improvements in or connected with mechanical loading and conveying systems for use in mines, and apparatus therefor : en
  • GB488113A - Improvements in or relating to hydraulic pumps : en
  • GB487976A - Improvements in or relating to wheels for barrows and like vehicles : en
  • DE661891C - Injection internal combustion engine with air storage : de en
  • USD110244S - Design for a bootee : en
  • DE661879C - Centrifugal machine with discharge of the thrown liquid through a fixed Schaelkoerper : de en
  • CH198547A - Hood-shaped gas protective mask. : de en
  • US2122381A - Refrigerating method and apparatus : en
  • USD110240S - Design for a motion picture : en
  • ES143962A1 - Process of manufacturing vegetable-based shortenings. : en es
  • CH198406A - Process for extracting organic acids, especially acetic acid. : de en
  • CH198609A - Night signaling device for aircraft landing or landing fields : en it
  • PL26703B1 - A method of making paving stones for the construction of drag pavements. : en pl
  • CA374702A - Fluid pressure brake : en fr
  • CH198551A - Circuit arrangement for the display of line breaks in telephone lines used for remote controls. : de en
  • US2121843A - Sealing means : en
  • PL26664B1 - A knitting needle and a method of making fabrics knitted with this needle. : en pl
  • CH198455A - Method for recording vibrations. : de en
  • CA374792A - Louver type ventilator : en fr
  • DE661887C - Telegraph telephone exchange system : de en
  • DE661934C - Floor design, especially for cattle stalls : de en
  • US2121839A - Process of manufacturing polymerization products : en
  • SU53411A1 - Device for restoring worn running surface of rails in joints : en ru
  • AU322037A - Electrical systems for forming frequency controlled oscillations : en
  • CH198542A - Syringe. : en fr
  • CA374753A - Gas analysing apparatus : en fr
  • PL26608B1 - A method of producing N-substituted and N, N-substituted aromatic sulfonic acid amides. : en pl
  • US2122230A - Combined powder container package and spray-gun : en
  • CA374697A - Aliphatic acid dehydrating process : en fr
  • PL26658B1 - A map, plan, drawing or the like, constituting a sheet bent in the transverse and longitudinal directions. : en pl
  • CH198571A - Acoustic direction finder with automatic computing device for the automatic determination of the real target direction. : de en
  • DE661795C - Photosensitive material for the production of source reliefs : de en
  • DE662006C - ? -shaped cap shoe for iron pit support : de en
  • US2121986A - Method for making hair waving pads : en
  • USD110258S - Design for a watchcase : en
  • USD110276S - Design for a dental equipment unit : en
  • CH198588A - Frost protection window. : de en
  • CH198390A - Machine for printing fabrics or papers. : en fr
  • CH198430A - Pull-through gear on copier and processing devices working in continuous operations. : de en
  • CH198473A - Sharpener. : en fr
  • AU301837A - Photoelectric surface : en
  • SU53363A1 - Tube for blowing glass products with compressed air : en ru
  • CA374770A - Carton : en fr
  • US2122354A - Flatiron support : en
  • US2122363A - Concentration testing apparatus and method : en
  • CH198548A - Jet pipe. : de en
  • CH198380A - Hot water tank. : de en
  • PL26718B1 - The method of regenerating vulcanized rubber. : en pl
  • US2121835A - Bolster spring unit : en
  • AU104263B2 - Carrier wave systems : en
  • US2122096A - Stop mechanism : en
  • PL26620B1 - Device for electrolysis of aqueous solutions of sodium sulphate. : en pl
  • US2121784A - Cowling fastener : en
  • US2121833A - Draft gear : en
  • US2121934A - Diamond turning machine for forming pistons of elliptical shape : en
  • US2122217A - Method for cleaning sand : en
  • DE661805C - Heat exchanger, in particular feed water preheater heated by means of steam : de en
  • CH198466A - Process for the airtight connection of the bottom and jacket of tin cans. : de en
  • CH198527A - Process for producing vacuum-tight connections between bodies made of metal and those made of ceramic. : de en
  • CH198407A - Process for the preparation of 2-mercaptothiazolidine-2-methyl ether. : de en
  • AU104569B2 - Improved method of and apparatus for the manufacture of boards for building and insulating purposes : en
  • PL26694B1 - Smooth rivet joint and a head piece for making it. : en pl
  • US2121992A - Purification of titanium fluoride solutions : en
  • US2121919A - Method of purification and separation of starch : en
  • PL26589B1 - The sheet piling, curved in the shape of an arch, made of timber boards having the shape of I-sections. : en pl
  • US2122281A - High tension electrical apparatus : en
  • PL26713B1 - Pednia with V-belts. : en pl
  • US2121915A - Differential or balance mechanism : en
  • CA374752A - Electric cable : en fr
  • GB488180A - Improvements in the rims of wheels for automobiles and other vehicles : en
  • AU244737A - Apparatus for the automatic control of windmills used for pumping water : en
  • BE428329A - : en
  • PL26638B1 - A device to delay the explosion of missiles. : en pl
  • US2121875A - Process for sterilizing and disinfecting : en
  • US2121905A - Crate : en
  • US2122268A - Tuning indicator tube : en
  • PL26600B1 - u usiciunu j u Privatization: December 4, 1934 : en pl
  • US2122258A - Cutting table : en
  • US2122310A - Oil and water separator : en
  • FR829561A - Mechanical attraction for the amusement of crowds : en fr
  • PL26602B1 - Machine for removing stones from cherries and similar fruits. : en pl
  • US2121945A - Glass feeder : en
  • DE661762C - Formwork with transverse webs resting on the support flanges to accommodate the formwork : de en
  • DE661972C - Thermal overcurrent switch with a helically wound bimetal strip : de en
  • DK54906C - Procedure for tanning hides. : da en
  • US2122119A - Process for straining liquids : en
  • BE428186A - : en
  • CH198392A - Bra. : en fr
  • CH198628A - Direction indicator on motorcycles. : de en
  • US2121955A - Pneumatic tire tread : en
  • PL26645B1 - The method of maintaining coal-fired furnaces at work. : en pl
  • US2122299A - Dispensing top : en
  • GB488018A - Improvements in and relating to the manufacture of colourless phosphoric acid : en
  • GB487881A - Portable inspection lamp : en
  • DE661803C - Gas suction device for chamber furnaces for coke and gas production : de en
  • DE661942C - Device for multiple copying of a negative onto a light-sensitive layer support : de en
  • FR829540A - Aircraft safety device : en fr
  • GB487883A - Improvements in and relating to the nozzles of vacuum cleaning or sweeping machines : en
  • GR7484B - SYSTEM FOR NEUTRALIZATION OF THE EFFECT OF SHIP LOCKINGS ON THOSE OBJECTS. : el en
  • DE661804C - Process for the separation of mixtures of quaternary salts : de en
  • US2122320A - Pressure cooker and mold : en
  • GB487999A - Improvements in or relating to arrangements for driving electric power from a directcurrent source through a transformer : en
  • AU104232B2 - A method of and means for treating substances by sudden chilling andthe continuous working thereof : en
  • AU1538A - Improvements in spring covers for leaf springs : en
  • PL26711B1 - Plate with stamps for stereoscopic rangefinders. : en pl
  • DE661873C - Device for operating aircraft landing sails : de en
  • FR829506A - Improvements to copying devices : en fr
  • GB488168A - Improvements in or relating to foam-generating fire extinguishing appliances : en
  • GB488010A - Improvements in or relating to saddles for vehicles : en
  • US2122208A - Button fastener : en
  • FR829431A - Vehicle propelled either by wheels or by tracks : en fr
  • DE661841C - Process for the extraction of metals from ores : de en
  • FR829508A - Improvements to movable arm bend indicator lights, in particular to those mounted in motor vehicles : en fr
  • GB488042A - Toy : en
  • GB488164A - Improvements in and relating to motor driven clippers or cutters : en
  • CH198362A - Method of establishing a reinforced concrete slab and slab obtained by this process. : en fr
  • CH198470A - Process for the impregnation of freshly juiced round wood. : de en
  • US2121954A - Method of dehydrating aqueous alcohols : en
  • US2122195A - Electrode release for arc lamps : en
  • US2121893A - Weather strip : en
  • US2122367A - Telegraph switching system : en
  • GB488127A - Improvements in or relating to composite building plates and the like : en
  • GB488365A - Improved means for blocking ionic valves by means of grids : en
  • DE661898C - swimsuit : de en
  • US2121806A - Independent wheel suspension : en
  • FR829566A - Measuring device with luminous indicator serving to represent the relationship between several quantities : en fr
  • CH198474A - Embossing stamp. : de en
  • GB487993A - High frequency inductance coil : en
  • GB487870A - Improvements in or relating to electron oscillators : en
  • GB487923A - Improvements in heads for trolley poles for electric vehicles : en
  • GB488114A - Improvements in windows : en
  • GR7489B - INDIRECT HEATING BAKERY STEAM. : el en
  • FR829411A - Device for examining cables, wires, tubes, rods or other magnetic bodies with a view to detecting defective parts using magnetic dispersion fields : en fr
  • DE662007C - Self-sealing closure for chamber furnaces : de en
  • FR829584A - Letter opener : en fr
  • GB488149A - Improvements in conveyor systems : en
  • GR7491B - AUTOMATIC VENTILATION MACHINE. : el en
  • FR829637A - Lubrication device for hydraulic cylinders : en fr
  • GB488143A - Improvements in or relating to safety razors : en
  • DE661854C - Process for producing a vapor or gas discharge vessel with a glow cathode which emits light or other rays : de en
  • FR829475A - Fireproof containers with metal envelopes : en fr
  • GB488022A - Improvements in or relating to the manufacture of composite wires, rods or bars : en
  • GB488256A - Improvements in or relating to packing devices for use between two cylindrical surfaces or the like moving relatively to each other, especially when the relative temperatures of the surfaces vary : en
  • GB487951A - Improved automatic selecting mechanism for change speed gearing : en
  • DE661896C - Thread grinding machine : de en
  • US2122250A - Display device : en
  • DE661771C - Turning head for shaft lathes : de en
  • GB488050A - Combination kitchen utensil : en
  • US2122153A - Advertising device : en
  • US2122331A - Automatic speed and vacuum controlling device : en
  • PL26705B1 - A method for the production of phthal-cyanine dyes. : en pl
  • AU104286B2 - Improvements in variable pitch air propellers : en
  • PL26647B1 - Braking system for railway and other vehicles. : en pl
  • US2122141A - Garment holder : en
  • US2122162A - Regulator for the closing of two hinged parts : en
  • FR829625A - Process for preparing felt and resulting new industrial product : en fr
  • AU104542B2 - Improvements in or relating to power transmitting devices for refrigerating andother apparatus : en
  • AU186037A - A method of and means for treating substances by sudden chilling andthe continuous working thereof : en
  • CA374767A - Circular loom : en fr
  • US2121971A - Coin controlled apparatus : en
  • US2122181A - System for concrete constructions : en
  • US2122201A - Attachment for hair waving machines : en
  • FR829624A - Aircraft protection devices : en fr
  • US2122253A - Highway signal : en
  • DE661778C - Body exercise device with rolling seat : de en
  • DE661932C - Ratchet wheel brake for demolition reel : de en
  • GB488261A - Improvements in or relating to bowls or vases : en
  • PL26641B1 - A method of producing briquettes from coal dust and coke and a device for carrying out this method. : en pl
  • GB488165A - Improvements in and relating to bearings : en
  • CA374686A - Polymethine dye : en fr
  • US2122001A - Bag for hot or cold packs : en
  • US2121808A - Manufacture of high viscosity cellulose esters : en
  • FR829578A - Electrical resistance and its manufacturing process : en fr
  • GB488110A - New compositions of matter : en
  • PL26567B1 - Ponczocha, the method of its production and a bag knitting machine for the production of this type of stocking. : en pl
  • PL26575B1 - Method for producing a medicament from iodoform and guaiacol. : en pl
  • DE640615C - Adjustment device on photographic, in particular cinematographic, recording apparatus : de en
  • US2122159A - Welded draft sill assembly : en
  • FR829495A - Washing, rinsing and drying the dishes : en fr
  • GB487911A - Improvements in process and apparatus for rolling tapered spars : en
  • FR829406A - Improvements made in the establishment of photographic or cinematographic cameras : en fr
  • GB488196A - Detergent for toilet use containing incompletely esterified polyhydric alcohol : en
  • DE661832C - Protective edge for skis : de en
  • FR829627A - High hardness and high density activated carbon : en fr
  • DE661766C - Tool arrangement for hoeing machines for processing beds : de en
  • FR829486A - New skill game : en fr
  • GB487858A - Improvements in or relating to knitting machine and process : en
  • FR829517A - Improvements to furniture fitted with collective locking drawers : en fr
  • GB487888A - Improvements in or relating to temperature-actuated mechanisms : en
  • GB487940A - Improvements in or relating to television transmitters : en
  • DE662017C - Lampshade manufacture : de en
  • US2122232A - Centrifugal concentration of rubber latex or the like : en
  • US2121858A - Excavating and prospecting tool : en
  • US2121979A - Staybolt and method of manufacturing the same : en
  • DE661815C - Elastic tape for pressing and holding compresses, sanitary napkins, etc. like : de en
  • DE661916C - Electromagnetically released inner jaw brake built into a fixed housing : de en
  • USRE20775E - System for preventing detrimental : en
  • GB488016A - Improvements in parallel rulers : en
  • US2122373A - Signaling system for railroads : en
  • DE661861C - Device for continuous heating or cooling of objects : de en
  • GB488130A - Dish washing machine : en
  • FR829607A - Teleprinter or similar apparatus : en fr
  • US2122276A - Form hanger for concrete slab structures : en
  • CH198449A - Method and electrical measuring device for measuring alternating current quantities. : de en
  • CA374765A - Washing machine : en fr
  • US2121825A - Lubricants : en
  • AU104288B2 - Improvements in or relating to magazine for razorblades : en
  • BE428188A - : en
  • DE662038C - Eyeglass temple : de en
  • DK54916C - Item holder for reciprocating saws for cutting metals. : da en
  • GB487820A - Improvements in or relating to machines for profiling metal rim wheels : en
  • US2121963A - Cover for steering wheel rims : en
  • USD110327S - Design for a textile fabric or : en
  • USD110299S - Design for a cravat holder : en
  • AU104566B2 - Improvements in and relating to automatic exhaust steam control means : en
  • PL26679B1 - Automatic triangulation device for measuring the distance and angle of a target with respect to the battery : en pl
  • US2122015A - Spark plug : en
  • US2122261A - Cutting apparatus : en
  • US2121829A - Advertising sign : en
  • FR829472A - Improvements to corks : en fr
  • GB487968A - Improvements in brakes : en
  • FR829620A - Improvements made to fixing devices and installations including the use : en fr
  • GB488176A - Improvements in tilting devices for drum melting furnaces : en
  • CH198509A - Alternator mounted on the engine of a motor vehicle with an armature seated on the engine shaft and mounted ignition device. : de en
  • GB487925A - Improvements in or relating to universal joints : en
  • GB488017A - Apparatus for determining the inclination of an axle to two different planes : en
  • US2121868A - Reflecting safety device : en
  • US2122355A - Mattress and cushion handle : en
  • FR829534A - Cheese salt machine : en fr
  • GB487819A - Improvements in the manufacture of activated carbon : en
  • USD110320S - Design fob a dress : en
  • DE661995C - Towing vehicle for damaged vehicles : de en
  • US2122072A - Automatic feed for boring bars : en
  • US2121845A - Process for producing clear lightcolored, water-soluble sulphonation products of mineral oil : en
  • DE661848C - Process for the production of blast furnace slag cements : de en
  • DK54912C - Heat consumption meters, the effect of which is due to a change in the viscosity of liquids. : da en
  • US2121852A - Electric motor : en
  • USD110254S - Design foe : en
  • FR829461A - Method and apparatus for drying stockings : en fr
  • FR829552A - Pressure element distributor for gear shifting device such as automobile gearboxes : en fr
  • FR829638A - 180 degree panty forging process for large tubes : en fr
  • US2121968A - Fish ladder : en
  • DE661775C - Motor vehicle with a forward-rising vehicle frame : de en
  • GB487910A - Improvements in underclearer mountings in textile spinning, preparing and like machines : en
  • PL26682B1 - A method for splitting fat and an apparatus for carrying out the method. : en pl
  • US2122277A - Preparation of resins : en
  • US2122020A - Pumping apparatus : en
  • US2122087A - Sealing container : en
  • US2122262A - Vacuum thermocouple : en
  • US2121953A - Container : en
  • US2122101A - Dental tray : en
  • US2121912A - Mop : en
  • GB487997A - Improvements in or relating to photographic copying apparatus : en
  • DE661867C - Control device for the propellant supply in piston-controlled air motors depending on the load on the slide : de en
  • GB488141A - Improvements in devices for rectifying the fermentation vapours in the manufacture of alcohol : en
  • GB487897A - Improved sealing means for rotary shafts and the like : en
  • US2122209A - Refrigerated display case and the like : en
  • GB487948A - Improved feeding arrangements for machines for treating rubber : en
  • FR829467A - Automobile differential : en fr
  • GB487985A - Improvements in or relating to hydraulic variable speed mechanism : en
  • AU104575B2 - Improvement in shutter actuator : en
  • AU288137A - An improved riddle for cleaning dried fruit and other products : en
  • US2122225A - Signaling device employing polarized light : en
  • AU268238A - Improvements in and relating to pneumatic ejector plant : en
  • US2122229A - Train describer system : en
  • PL26700B1 - Device for indicating the amount of calcium carbide in the rotary screen drum of the acetylene production apparatus. : en pl
  • US2121910A - Carrying case for picture projecting apparatus : en
  • PL26618B1 - Aluminum alloy. : en pl
  • US2121832A - Mechanism for and method of rifling gun barrels : en
  • CH198610A - Covering plate. : de en
  • AU104243B2 - Improvements in or relating to stock feeding apparatus : en
  • DE661825C - Machine for the production of flat bags from the roll : de en
  • AU104579B2 - Improvements in or relating to methods of and apparatus for treating, moistening or tempering products : en
  • US2121917A - Process for making phenol, cresol, or the like resins : en
  • US2122190A - Clothes rack : en
  • USD110255S - Design for a lamp shade : en
  • DE661886C - Method and device for operating absorption refrigeration apparatus : de en
  • DE661840C - High voltage transformer, especially voltage converter : de en
  • DE661996C - Windows for vehicles, especially for motor vehicles : de en
  • BE428262A - : en
  • DE661869C - Shredding device : de en
  • US2121874A - Servo-motor : en
  • CH198595A - Tool for mounting a tire on a rim. : en fr
  • PL26728B1 - Rotary apparatus for duplicating typewriting, drawings, etc. : en pl
  • US2121846A - Interlocking system for railroads : en
  • USD110298S - Design for a flashlight : en
  • US2122097A - Balancing means for modulators : en
  • US2122222A - Device for automatic interruption of radiation : en
  • US2122259A - Filter press : en
  • USD110300S - Design for a dress : en
  • PL26715B1 - Machine for the production of shaped objects from plastic masses by injection molding. : en pl
  • US2121999A - Vertical heat exchanger : en
  • US2122182A - Window structure : en
  • GB487815A - Improvements in or relating to vacuum cleaners : en
  • GB488202A - Improvements in electric incandescent lamps : en
  • US2122105A - Metal container : en
  • US2122198A - Apparatus for conditioning engraving plates : en
  • CH198445A - Method for producing mechanical effects as a result of temperature variations, and apparatus for its implementation. : en fr
  • AU353137A - Electric frequency separator : en
  • CA374785A - Connector : en fr
  • CH198427A - Cinematographic camera. : de en
  • CH198480A - Rotary flap. : de en
  • CH198502A - Accumulator battery. : de en
  • CA374680A - Yarn producing device : en fr
  • CA374755A - Loudspeaker : en fr
  • CA374726A - Carton : en fr
  • CH198417A - Key head for typewriters, calculating machines and the like, as well as method and injection mold for producing the same. : de en
  • DE661787C - Multi-part pole wheel for electrical machines : de en
  • DE661884C - Process for the production of drops of substituted barbituric acids : de en
  • USD110247S - Design for a coat : en
  • BE428339A - Method for surface joining on paper, sheets of different shrinkage : en fr
  • CA374736A - Shortening treatment : en fr
  • BE427877A - : en
  • GB488163A - Clockwork mechanism for emitting signals at short intervals of time : en
  • DE661946C - Process for the production of opalescent glass plates : de en
  • PL26685B1 - Method of processing fibrous materials. : en pl
  • US2122205A - Coupling for tubes : en
  • AU104533B2 - Improvements relating to drenchers : en
  • DE661823C - Fare display for time and distance drive : de en
  • AU104572B2 - Improvements in advertising, indicating and displaying devices : en
  • CA374663A - Pseudo-cyanine dye : en fr
  • US2122068A - Measure : en
  • US2122164A - Handle : en
  • CA374723A - Vehicle brake mechanism : en fr
  • CH198613A - Process for the production of a sulfur dye. : de en
  • DE661927C - Procedure for operating gas generators with descending trains for vehicles : de en
  • DE661933C - Pen threshing device for legumes : de en
  • FR829516A - Remote automatic selection device : en fr
  • GB488146A - Improvements in drawing apparatus for use in spinning medium and long fibrous material : en
  • PL26657B1 - A method of producing round sheet metal targets by rolling. : en pl
  • GB488071A - Improvements in or relating to photographic cameras having telemeters adapted to operate as view finders : en
  • GB488184A - Process for the production of phenol-formaldehyde condensation products : en
  • FR829424A - Indoor wiper, for cars : en fr
  • GB488116A - Improvements in and relating to motor vehicle engine oil sumps : en
  • FR829496A - Waterproof parachute and its manufacturing process : en fr
  • AU227637A - Electric carrier wave transmitter : en
  • US2122102A - Electric signaling system : en
  • CH198416A - Teaching for use in the printing industry. : de en
  • PL26580B1 - Regulating device for steam engines. : en pl
  • PL26686B1 - Drum magazine for machine gun cartridges. : en pl
  • US2121774A - Air release means and combination in railway air-brake system : en
  • CA374761A - Ski binding : en fr
  • AU104250B2 - Improvements in signal devices for dispensing pumps : en
  • CA374729A - Poultry package : en fr
  • CA374676A - Fuel feeding apparatus : en fr
  • CH198560A - Selector for telecommunication systems, in particular telephone systems. : de en
  • CH198578A - Device on platforms, in particular hay platforms, for transporting goods away from these platforms and catching people who fall from them. : de en
  • AU104282B2 - Illuminated sign : en
  • US2121881A - Device for securing heads to barrels : en
  • AU104562B2 - Remedy for diabetes and process of making same : en
  • AU104289B2 - Improvements relating to hose unions andthe like : en
  • AU104277B2 - Methods of forming composite metal stock : en
  • CH198413A - Drying system for cellulose, paper, cardboard, cardboard and similar machines. : de en
  • CH198505A - Polyphase transformer. : de en
  • CH198556A - Telephone system with a cashier station. : de en
  • CH198585A - Joint for connecting shafts, in particular for motor vehicles. : de en
  • CH198370A - Device for securing the housing of an oil burner that accommodates the motor. : de en
  • US2122313A - Boundary beacon light for airports : en
  • CH198388A - Device for switching off the snap traps on both sides of an exchange chair. : de en
  • AU303537A - Incandescent screen fora cathode ray tube : en
  • AU104259B2 - Safety razor : en
  • AU250437A - Display device : en
  • CA374805A - Closed automobile body : en fr
  • CH198540A - Air raid stretcher. : de en
  • CH198581A - Device for keeping windows clean on vehicles. : de en
  • CH198618A - Electric heater. : de en
  • CH198603A - Automatic device for raising, parallel to the towing cable of a ski lift, individual unused towing cables. : en fr
  • DE662025C - Device for extinguishing alternating current interruption arcs, in particular in switches and fuses : de en
  • PL26720B1 - Device for washing and desulfurizing artificial fibers. : en pl
  • US2121781A - Sound translating device : en
  • PL26708B1 - libo} Glibo} Glibo} G : en pl
  • US2121987A - Electrical arrangement for displaying pictures and communications : en
  • DE661408C - Inclined conveyor for combine harvester : de en
  • GB488123A - Improvements in apparatus for opening doors and the like : en
  • US2121890A - Can : en
  • US2122156A - Reflecting sign : en
  • US2122252A - Wire connecter : en
  • US2122374A - Self-starting synchronous electric motor : en
  • USD110326S - Design for a textile fabric or : en
  • USD110302S - Design for a bottle : en
  • CA374734A - Container cover : en fr
  • US2122135A - Bucky grid and method of making same : en
  • US2122169A - Liquid power transmission device : en
  • FR829460A - Improvements to composite materials formed of rubber and solid supports and their manufacturing processes : en fr
  • FR829649A - Improvements to gasifiers : en fr
  • GB488075A - Packing for socket pipe connections : en
  • AU104534B2 - Improvements in or relating to electric discharge lamps comprising luminescent materials : en
  • US2122090A - Clothes brush : en
  • US2122236A - Well drilling fluids : en
  • US2122017A - Control apparatus : en
  • AU104246B2 - A combination woodworking machine and driving means therefor : en
  • AU104253B2 - Improvements in or relating to electrical power supply systems ofthe vibrator type : en
  • US2121935A - Amplifying system : en
  • AU104265B2 - Container for eggs andthe like : en
  • AU427737A - Improved hydraulic engine ofthe annular chambered rotary type : en
  • US2121862A - Heavy duty vehicle construction : en
  • USD110283S - Design for a handle for knives : en
  • US2121805A - Window including inwardly swinging sash : en
  • PL26653B1 - A well-caisson for deep foundations. : en pl
  • USD110330S - Design for a textile fabric or : en
  • CH198463A - Process for casting manhole covers with frames and covers with frames produced by the process. : de en
  • CH198577A - Cigar pack. : de en
  • CH198607A - Regenerative braking circuit for single-phase series motors, in particular rail motors. : de en
  • PL26674B3 - Igniter with long-lasting protection. : en pl
  • US2122069A - Tool rack for meat blocks : en
  • CA374668A - Radio gain control : en fr
  • CA374756A - Marksmanship practising device : en fr
  • FR829598A - : fr
  • AU301137A - Improvements relating to electrically operated switch mechanism : en
  • CA374800A - Negative carrier : en fr
  • US2122210A - Cooling apparatus : en
  • US2121871A - Tire tread : en
  • US2122179A - Agitator top for vacuum cleaner filters : en
  • US2122120A - Antiglare shield mounting and operating means therefor : en
  • US2122150A - Stabilizer : en
  • PL26678B1 - Movable spray nozzle, especially for pumps and nozzles. : en pl
  • PL26714B1 - Helical gear. : en pl
  • US2121922A - Hand operated truck body : en
  • US2121982A - Try-gun outfit : en
  • USD110297S - Design fob a handbag frame or simi : en
  • PL26612B1 - Spirit mix. : en pl
  • US2121967A - Cash register : en
  • US2122337A - Television system : en
  • DE661849C - Circuit arrangement for determining an existing connection path in telephone systems : de en
  • US2122031A - Duplex cut-off : en
  • AU492737A - Improvements relating to fertilizers : en
  • DE661847C - Rotating grinding tool : de en
  • DE662032C - Circulating fan with low noise development : de en
  • AU276437A - Improvements in signal amplifiers : en
  • US2122046A - Percolator : en
  • US2122167A - Expansion joint : en
  • USD110268S - Design for a combined storage cabi : en
  • US2121860A - Lighting fixture : en
  • AU104287B2 - Stretcher tool for installing elliptic suspension springs : en
  • US2121942A - Electric cable and method of manufacturing it : en
  • PL26696B1 - A device for supplying fuel to the fuel injection nozzles of an internal combustion engine with a separate fuel injection pump. : en pl
  • PL26633B1 - Car body, especially streamlined body. : en pl
  • PL26676B1 - Rolling mill for the production of round sheet metal discs by rolling out thicker discs with a smaller diameter. : en pl
  • DE661789C - Electric hotplate : de en
  • DE661945C - Keyhole cover plate controlled by the key : de en
  • GB488044A - Safety devices for projectile fuzes : en
  • DE661871C - Holder for elastic flight exercise wings : de en
  • USD110243S - Design fob a hat : en
  • CA374692A - Kitchen range : en fr
  • PL26587B1 - Road barrier. : en pl
  • PL26626B1 - Gas-lit switch lantern. : en pl
  • US2122117A - Reconditioning electronic unit : en
  • AU104604B2 - Photoelectric surface : en
  • CH198369A - Process for the production of lenses, mirrors and other optical elements with high optical precision. : en fr
  • CA374678A - Crimped yarn manufacture : en fr
  • CH198565A - Circuit arrangement for modulating a carrier frequency. : de en
  • AU499837A - Improvements in or relating to clothes driers : en
  • US2122352A - Rotary blower, gas meter, liquid meter, rotary compressor, and rotary pump : en
  • USD110295S - Match book holder : en
  • AU290537A - Improvements relating to drenchers : en
  • PL26572B1 - Starter friction clutch for internal combustion engines. : en pl
  • US2121799A - Process for making cast permanent magnets : en
  • US2122294A - Tamperproof secondary closure : en
  • US2122233A - Means for melting metal : en
  • DE661929C - Process for enriching growth substances causing cell reproduction : de en
  • CA374737A - Oleo oil stabilization : en fr
  • US2122196A - Saw : en
  • CA374796A - Tire : en fr
  • US2122366A - Weather strip construction : en
  • CA374695A - Circuit interrupter : en fr
  • US2122006A - Dewooling machine : en
  • US2122056A - Lap retruing machine : en
  • US2122086A - Silencer for internal combustion engines : en
  • US2122184A - Grinding machine : en
  • US2122084A - Steeping and degerminating process : en
  • USD110264S - Design for a piano : en
  • AU104295B2 - Improvement in shrink-proof sheet and cellular fibre rendered repellant to water anda method of producing thesame : en
  • USD110257S - Design for a pennant-like device : en
  • DE661744C - Centrifugal dust separator using the double vortex : de en
  • US2121909A - Textile fabric and method of making the same : en
  • US2122088A - Tempering of glass : en
  • AU292437A - Improvements in or relating to radio transmitter arrangements : en
  • USD110315S - Design for a textile fabric : en
  • CA374793A - Fabric plies uniting process and apparatus : en fr
  • AU458637A - Manufacture of resin condensation products : en
  • AU200637A - Improvements in means forthe recovery of products inthe distillation of coal or shale : en
  • US2121923A - Milling machine : en
  • USD110274S - Design fob a dental equipment stand : en
  • AU547437A - Improvements in advertising, indicating and displaying devices : en
  • CA374675A - Radio receiving system : en fr
  • CA374757A - Electric conductor : en fr
  • CH198508A - Low current electric motor. : de en
  • AU104275B2 - Bearings forthe axle journals of railway and like vehicles : en
  • AU302037A - Improvements intwo stroke cycle internal combustion engines : en
  • AU221537A - Improvements relating togas cutoff valves : en
  • CH198446A - Device for measuring the mechanical vibration properties of bodies. : de en
  • CH198499A - Flue gas heated tubular gas heater. : de en
  • CH198535A - Oil burner with a central air supply nozzle and a ring-shaped evaporation plate arranged around this nozzle. : de en
  • CH198620A - Gun tap. : de en
  • AU104294B2 - Improvements in discharge apparatus for retorts usedfor the distillation of coal or shale : en
  • DE661850C - Temperature dependent electrical switching device : de en
  • DK54913C - Threshing machine with self-binding straw presses. : da en
  • DE661951C - Process for the production of pieces of plaster of paris for the production of decorative surfaces, e.g. B. Terrazzo effects : de en
  • CA374766A - Cellulosic material processing : en fr
  • AU111337A - Improvements relating to hose unions andthe like : en
  • BE428144A - : en fr
  • AU104268B2 - Improvements in sealing devices for rotational members : en
  • DE661798C - Process for the production of porous asbestos cement panels on cardboard machines : de en
  • DE662005C - Device for the watertight connection of the upper post with the ship's trough of a ship's lift that can be pivoted like a rocker, especially for sports boats : de en
  • GB487821A - Improvements in and relating to holding means for knitting tools : en
  • CH198433A - Apparatus for physical culture and mechanotherapy. : en fr
  • AU104252B2 - Band-filter coupling for television amplifiers : en
  • CH198511A - Insulating impregnation material. : de en
  • GB488108A - Improvements in and relating to colour photographic films bearing sound images and methods for producing the same : en
  • GB488201A - Process for the manufacture of new phthalo-cyanines : en
  • USD110267S - Design for a flashlight casing : en
  • FR829491A - Camera support for aerodynes : en fr
  • CA374763A - Universal joint cover : en fr
  • AU31238A - Improvements relating to shaft couplings : en
  • DE661829C - Safety razor : de en
  • DE661962C - Footwear sewing machine : de en
  • AU104573B2 - Improvements relating to insoles andthe like and to methods and materials for making thesame : en
  • CH198389A - Lathe harness. : de en
  • AU104290B2 - Device for cutting sugarcane trash : en
  • US2121887A - Method of sulphating an ore material : en
  • US2122371A - Brake cylinder assembly and method of making same : en
  • DE661838C - Protective arrangement in a device for the continuous regulation of the direct voltage output by a two- or multi-anode rectifier with grid-controlled vapor or gas discharge paths : de en
  • DE661937C - Process for the production of protective layers on light metals and light metal alloys : de en
  • FR829489A - Improvements to protection relays for alternating current electrical devices : en fr
  • USD110305S - Design for a display stand for per : en
  • AU104581B2 - Radiating and receiving systems for ultrashort electromagnetic waves : en
  • US2121918A - Beater : en
  • US2122082A - Means for forming wire handles : en
  • CH198496A - Housings, in particular for electric ignition devices, with ventilation openings covered by dust filters. : de en
  • FR829483A - Signaling lantern : en fr
  • CH198448A - Auxiliary device for weighing purposes. : de en
  • FR829419A - Mounting of wheels, in particular for motor vehicles : en fr
  • AU104547B2 - Improvements intwo stroke cycle internal combustion engines : en
  • GR7483B - HIGH TEMPERATURE HEATER. : el en
  • USD110323S - Design for a camera or similar : en
  • FR829586A - System for the systematic elimination of the tare in weighings : en fr
  • CH198420A - Device for indicating the length of film unwound from a cinematographic apparatus. : en fr
  • GB487984A - Improvements in or relating to radio direction finders : en
  • FR829573A - Compressible segment for pistons : en fr
  • GB487800A - Improvements in "straight jackets" and like wearing apparel : en
  • CH198514A - Oil-filled single or multi-conductor high-voltage cable. : de en
  • CH198583A - Device for driving shock absorbers, especially those of a hydraulic type for stabilizers. : de en
  • FR829509A - Improvements in die casting of metals and alloys : en fr
  • FR829409A - Pliers for a curtain ring : en fr
  • FR829546A - Control device for variable capacitors and other applications : en fr
  • FR829622A - Hollow rim for wheels of bicycles and other vehicles : en fr
  • US2121957A - Apparatus for securing valve stems to rubber tubes : en
  • FR829413A - Improvements in electric incandescent lamps and the like : en fr
  • GB487905A - Improvements relating to machines for making tubes from paper or other like flexible sheets or strips : en
  • GB487830A - Process for the production of anthraquinone dyestuffs : en
  • GB488028A - Improvements in or relating to cutting or slitting devices : en
  • GB488142A - Improvements in or relating to devices comprising gas-filled electric discharge tubes : en
  • FR829425A - Rope jumping doll : en fr
  • FR829646A - Interlaced line television system : en fr
  • CH198519A - Temperature regulators for electrically heated apparatus. : de en
  • GB487809A - Improvements in sieves and conveyors : en
  • DE661797C - Pyrotechnic pressed body : de en
  • FR829535A - Quick-acting valve shutters : en fr
  • FR829511A - Devon : en fr
  • FR829530A - Device for the simultaneous sterilization of a bottle and its teat : en fr
  • GB488080A - Method for applying flock : en
  • GB488098A - Improvements in tuft yarn setting frames for winding spools used in carpet manufacture : en
  • GB487862A - Improvements in or relating to brakes for cycles and the like : en
  • GB488061A - Improvements in or relating to thermostatic regulators : en
  • FR829569A - Process for preparing cyclic acetals of formaldehyde : en fr
  • CA374710A - Load brake mechanism : en fr
  • CA374746A - Gasoline stabilization : en fr
  • CA374677A - Washing machine attachment : en fr
  • CA374782A - Shoe cleaning tool : en fr
  • CH198387A - Starting material for the production of non-rolling, stiffened fabrics, in particular non-rolling, permanently stiffened fabrics. : de en
  • GB488122A - Improvements in portable signs : en
  • PL26578B1 - A method of producing patterns on fabrics. : en pl
  • GB488262A - Improved tunnel kiln for firing ceramic ware : en
  • GB487980A - Improvements in or relating to rubber compositions and methods of preserving rubber : en
  • GB487998A - Improvements in cathode ray tubes : en
  • GB488137A - Improvements in and relating to the production of dried sheet material : en
  • GB488004A - Improvements in and relating to the manufacture of ceramic bonded abrasive materials : en
  • US2122075A - Method and apparatus for grading articles : en
  • US2122300A - Boat and similar vehicle : en
  • GB487956A - Improvements in or relating to moulds for casting compound brasses : en
  • GB488106A - Improvements in or relating to tape-applying machines : en
  • GB488422A - Process and apparatus for the manufacture of hollow rubber articles, such as rubber toys : en
  • FR829485A - Improvements to stoves and other gaseous fuel cooking appliances : en fr
  • GB488006A - Improvements in fur backed gloves : en
  • DE661950C - Cigar wrapping press : de en
  • DE661994C - Suitcase-like collapsible stroller : de en
  • FR829547A - Process for the preparation of ascorbic compounds : en fr
  • GB487812A - Improvements in or relating to the manufacture of paper or like receptacles or containers : en
  • IE15477L - Polymerised chloroprene adhesive : en
  • US2122134A - Permanent waving apparatus : en
  • FR829520A - Improvements to permanent corrugation processes using exothermic sachets : en fr
  • GB488129A - Improvements relating to dust collecting apparatus : en
  • US2121997A - Article forming apparatus : en
  • US2122226A - Combination comb and instrument case : en
  • DE661736C - Vertical mercury switch tube : de en
  • DE661814C - Spinneret for the production of rayon and process for the production of a spinneret cover : de en
  • FR829532A - Development of draft switches : en fr
  • DE661953C - Process for the manufacture of a starch product : de en
  • US2122115A - Stop mechanism for reeling machines : en
  • GB487895A - Improvements in or relating to tractor trailer couplings : en
  • GB487880A - Improvements in or relating to radio and like receivers : en
  • CA374804A - Lavatory silencer : en fr
  • CH198364A - Assortment of parts for the construction of a removable shelter. : en fr
  • DE662010C - Procedure for calling wireless stations : de en
  • GB488156A - Improvements in or relating to grips for handles of tennis rackets or other shaft-like bodies : en
  • GR7486B - IMPROVED TYPE OF TERMINAL SYSTEM FOR SPINNED MECHANISM. : el en
  • FR829617A - Process for the preparation of acyclic polymers of acetylene and catalysts suitable for carrying out this process : en fr
  • DE661863C - Method and device for testing barrels for leaks : de en
  • AU104603B2 - Improvements relating to electrically operated switch mechanism : en
  • CA374775A - Band saw : en fr
  • USD110242S - Design for a slipper : en
  • US2122251A - Method of securing decorative effects on leather or similar goods : en
  • US2122256A - Heat exchange apparatus : en
  • CH198401A - Auxiliary device for sterilizing fruits and the like. : de en
  • US2122079A - Sprinkler : en
  • US2122245A - Bathtub : en
  • USD110290S - Design for a pin clip : en
  • DE661792C - Process for refining copper : de en
  • FR829645A - Improvement in automatic regulators of all physical quantities : en fr
  • DE661688C - As a double-walled, hermetically sealed cabinet, insulation element for heat or cold protection : de en
  • US2122269A - Tuning indicator tube : en
  • FR829542A - Improvements to electric resistance welding machines : en fr
  • GB488109A - Improvements in or relating to machinery guards : en
  • GB488192A - Improvements in atomizing or dispersing devices : en
  • CA374762A - Governor : en fr
  • CH198528A - Electric discharge tube. : de en
  • GB488088A - Improvements in appliances for testing the tension of textile threads or yarn : en
  • DK54918C - Forming machine for doughy or plastic Fabrics. : da en
  • FR829603A - Orthopedic arch : en fr
  • GB488000A - Improvements in or relating to copying milling machines : en
  • FR829494A - Insecticidal vapor generator device : en fr
  • DE661725C - Radkoerper trained as a wheel star : de en
  • AU104602B2 - Improvements in or relating to antenna systems : en
  • US2121956A - Nonskid tire : en
  • DE661851C - Halyard regulator : de en
  • PL26724B1 - Rain umbrella. : en pl
  • CH198359A - Container that can be used as a flower pot, planter or forcing bed. : de en
  • CH198360A - Device for the artificial breastfeeding of young cattle. : en fr
  • GB487893A - Improvements in means for opening and closing slidable windows, shutters and other panels : en
  • USD110241S - Besign for a sorting device : en
  • GB488155A - Improvements in or relating to packing rings for pistons and the like : en
  • FR829591A - Device applicable to paper bag-making machines for pulling off pipe sections and forming flat bottoms : en fr
  • FR829648A - Device intended to ensure the stirring of a mixture of various fluids, in particular steam and sprayed water, inside a capacity such as the body of a steam superheater : en fr
  • GB488177A - Improvements in or relating to electric multi-channel carrier signalling systems : en
  • US2121851A - Method of making and assembling laminated structures and apparatus therefor : en
  • US2122106A - Hairpin : en
  • US2121811A - Azo compounds and process for dyeing therewith : en
  • US2121800A - Reconditioning old books and ledgers : en
  • US2122064A - Wheel balancer : en
  • US2122085A - Gear case drive shaft mounting : en
  • GB488026A - Improvements relating to voltolized oils : en
  • FR829480A - Vaso-compressor-sprayer : en fr
  • GB487801A - Improvements in or relating to vacuum cleaners : en
  • GB488052A - Improvements in and relating to cartons or containers for liquids : en
  • GB487946A - An improved method of and means for distributing washing liquid in tower scrubbers : en
  • FR829463A - Improvements to dividing mechanisms : en fr
  • GB488157A - Improvements in receivers for carrier-telephony : en
  • GB488057A - Improvements in collapsible crates or boxes : en
  • GB487955A - Improvements in or connected with rangefinders and like optical measuring instruments : en
  • GB488059A - Improvements relating to retractable undercarriages for aircraft : en
  • GB488040A - Improvements relating to filter presses and extrusion presses for producing foils or sheets : en
  • FR829428A - New anthraquinone series tank dyes : en fr
  • AU141737A - A machine for cutting sheets of wood adapted tobe used inthe manufacture of laminated wood products : en
  • USD110263S - Design for a lamp : en
  • GB488264A - Stiff or semi-stiff linen garments, more particularly collars, and process for the manufacture thereof : en
  • US2121778A - Sound translating apparatus : en
  • FR829582A - Catalytic cracking process : en fr
  • US2122011A - Dental filling composition : en
  • FR829444A - Grinding machine : en fr
  • GB488054A - Improvements in the production of mordant dyeings on cotton bottomed with oil : en
  • GB487929A - Apparatus for treating or working materials, particularly pastes or paste-forming materials : en
  • FR829426A - Process for the extraction of juice contained in fruits, vegetables, plants, mushrooms and other plants, and apparatus for applying this process : en fr
  • FR829570A - Mechanical mower device : en fr
  • DE661882C - Process for the production of highly esterified stable acetylnitrocellulose : de en
  • DE661914C - Electric push button auto switch : de en
  • GB488102A - Improvements in driving mechanism for printing and like presses : en
  • USD110303S - Design for a coat : en
  • CH198541A - Process for the preparation of 13-methyl-cyclopentanopoly-hydrophenanthrene-diols containing aromatic nuclei esterified in the 3-position. : de en
  • CH198568A - Motor siren. : de en
  • GB487813A - Improvements in closure means for drums and like containers : en
  • GB488021A - A device for periodically varying the directional characteristic of an aerial system : en
  • FR829636A - Advanced mouthpiece for bottles or baby bottles : en fr
  • DK54914C - Straw press. : da en
  • DK54919C - Motor vehicle chassis with central Support body. : da en
  • FR829633A - Improvements to the bases of respiratory masks : en fr
  • DE661899C - Catalytic gas self-igniter for any cooker : de en
  • US2122292A - Carrier for braiding machines : en
  • US2122301A - Long throw concealed hinge : en
  • FR829421A - Bicycle rack : en fr
  • GB488138A - Improvements in the vulcanization of rubber : en
  • US2122155A - Screen door : en
  • US2122118A - Submarine cable : en
  • US2122237A - Electrical machine, of the kind called metadyne, operating at an adjustable constant speed : en
  • US2122007A - Mounting for hinges or the like : en
  • DE653728C - Device for disinfecting microphone voices, in which the disinfecting agent is housed in the form of an insert on an arm within the vocalization : de en
  • GB488034A - Improvements relating to travelling grates : en
  • GB487964A - An improved chassis-spring lubricator and shock absorbing device for use on motor, road and other vehicles : en
  • CH198521A - Electrical system for small vehicles, in particular for motorcycles, with a manually operated switching device. : de en
  • DE661989C - Voice for string instruments : de en
  • AU104291B2 - Improved egg boiler and timer : en
  • PL26599B1 - Hydraulic device for deep drilling. : en pl
  • PL26615B1 - Method for separating low-boiling hydrocarbons. : en pl
  • GB488104A - Improvements in or relating to packaging containers "especially for globular articles and packages comprising the same" : en
  • GB488195A - Improvements relating to the shielding of ignition wires of internal combustion engines : en
  • US2122183A - Method of and arrangement for stepwise tuning of electric circuits : en
  • FR829493A - Manufacturing process of alkylene hydrochlorides : en fr
  • FR829611A - Process for manufacturing a high temperature abrasive product : en fr
  • DE661810C - Compressed air circuit breaker of the push switch type : de en
  • DE661983C - Technical heat consumption meter : de en
  • DE661824C - Process for the production of oxidic protective layers on aluminum and aluminum alloys : de en
  • DE661973C - Overcurrent self-switch in plug form with built-in fuse, thermally or / and magnetically controlled by a switching mechanism with latch release : de en
  • CH198567A - Nurse call system with presence control for at least one operator. : de en
  • GB487965A - Improvements in coin-operated cocks and valves for controlling the supply of fluids : en
  • CH198453A - Calculator. : en fr
  • CH198592A - Gear reduction on tractors. : de en
  • US2122116A - Magnetically controlled advertising, educational, or amusement device : en
  • GB488097A - Improvements in and connected with pedals of foot-propelled bicycles : en
  • CA374666A - Electrode and contact : en fr
  • US2121972A - Portable grease gun : en
  • USD110310S - Design for a textile fabric : en
  • GB488038A - Improvements in apparatus for delivering measured quantities of liquids : en
  • CH198423A - Film for cinematographic projection. : en fr
  • CH198574A - Luminous device. : en fr
  • AU362537A - Improvements in variable pitch air propellers : en
  • US2122019A - Separation of wax from oils : en
  • CA374673A - Volume control arrangement : en fr
  • CH198414A - Mechanism for mechanical systematic bookkeeping. : de en
  • CH198582A - Device for the automatic interruption of the power supply in rotating hydraulic mechanisms. : en fr
  • US2122312A - Door attachment : en
  • DE661977C - Clamping device for tools in dental instruments : de en
  • USD110248S - Design for a shoe : en
  • USD110312S - Design for a dress : en
  • AU147437A - Band-filter coupling for television amplifiers : en
  • CH198469A - Process for tempering metal rods and wires by cold forming. : de en
  • US2122197A - Production of iron from iron ore : en
  • CA374738A - Egg product : en fr
  • US2121803A - Interlocking system for railroads : en
  • US2122058A - Electric connecter plug : en
  • US2122125A - Water-soluble condensation products and a process of producing same : en
  • AU104256B2 - Apparatus for grading according to colour : en
  • CH198484A - Device for regulating the fuel supply to at least two pressure medium generators, in particular pumps, with internal combustion engine drive and with a common pressure medium discharge line. : de en
  • PL26693B1 - Impact fuse for projectiles, in particular for small caliber grenades. : en pl
  • US2121779A - Sound translating apparatus : en
  • AU104249B2 - Improvements in or relating to clothes driers : en
  • AU389137A - Temperature control system : en
  • PL26642B1 - A method of producing solid oxide layers on the cathodes of discharge lamps from calcium carbonates. : en pl
  • USD110324S - Design fob a textile fabric or the : en
  • US2122003A - Cartridge holding device : en
  • US2122154A - Heater for railway switches : en
  • US2122359A - Bamboo rake : en
  • US2122382A - Signaling system for railroads : en
  • USD110314S - Design for a dress : en
  • CH198365A - Device for the automatic and continuous measurement and recording of the twisting of railway tracks. : de en
  • CH198518A - Method and device for remote control of electrical circuits by lowering the voltage BEZW. Interruption in the network feeding these circuits. : de en
  • DE661769C - Spark plug : de en
  • AU421937A - Improvements in or relating to electric discharge tubes : en
  • US2121849A - Garment presser : en
  • US2121989A - Combined handle grip and weapon : en
  • CH198520A - Installation switch. : de en
  • CH198532A - Rod-shaped electrical heating element. : de en
  • AU484437A - An improved animal emasculating tool : en
  • PL26591B1 - Switch for overhead tracks. : en pl
  • US2122289A - Display card : en
  • US2122346A - Toy airplane : en
  • USD110239S - Design for a shoe or similar article : en
  • CH198391A - Device for the exact length determination of lengths of fabric. : de en
  • CH198402A - Device for scalding vegetable or chemical substances or other brewed goods. : de en
  • FR829442A - Process for preparing polymethine dyes : en fr
  • FR829548A - Improvements to automatic electric current distributors, by rotary contactor : en fr
  • US2121855A - Coupling high-frequency apparatus : en
  • USD110316S - Design for a brassiere : en
  • US2121933A - Motion picture claw feed apparatus : en
  • CH198623A - Automatic device for ringing a bell. : en fr
  • US2121899A - Treatment of cellulose triacetate : en
  • DK54901C - Binder containing Glutin 'glue and Procedure for its manufacture. : da en
  • CH198531A - Process for the production of electric discharge tubes with a metal balloon. : de en
  • GB488003A - An improved process for the manufacture of bearings : en
  • CH198591A - Sight rod for automobiles. : de en
  • CA374706A - Load brake mechanism : en fr
  • US2122035A - Tube heater : en
  • US2122177A - Injector : en
  • USD110289S - Design fob a cuff link : en
  • USD110318S - Design fob a doily or similar article : en
  • AU104560B2 - Manufacture of resin condensation products : en
  • DE661890C - Instantaneous water heater designed as a transformer : de en
  • CH198495A - Spray diffuser for internal combustion engine. : en fr
  • AU104239B2 - Improvements in or relating to free-piston air or gas compressors : en
  • AU469637A - Remedy for diabetes and process of making same : en
  • AU241837A - Improvements in or relating to free-piston air or gas compressors : en
  • CA374674A - Combined diode detector and amplifier circuit : en fr
  • CH198597A - Safety device on bicycles, motorcycles and the like. : de en
  • CA374771A - Necktie : en fr
  • FR829521A - Method and device for filling under pressure for dispensing containers : en fr
  • CA374778A - Window : en fr
  • US2122267A - Tuning indicator circuits : en
  • US2122283A - Frequency converter : en
  • US2122285A - Electrical discharge device : en
  • AU498537A - Bearings forthe axle journals of railway and like vehicles : en
  • CA374712A - Vulcanizing unit : en fr
  • AU302437A - A combined suitcoat and vest : en
  • DE661727C - Cover for weather hatches on ships : de en
  • US2122066A - Roller skate : en
  • US2122370A - Slide wire resistance : en
  • US2122207A - Recording and reproduction of sound : en
  • CH198396A - Shoe with orthopedic brace. : de en
  • DE661968C - Sheet pile wall anchoring : de en
  • CH198481A - Piston fluid transmission. : de en
  • GB487969A - Improvements in or relating to the rendering of cloth non-inflammable : en
  • GB488167A - Improvements in and relating to multi-shuttle looms : en
  • AU293437A - Improvements in or relating to shaving devices : en
  • CH198395A - Slipper and method of making the same. : de en
  • PL26655B1 - Device for deflecting the cathode ray beam according to coordinates. : en pl
  • US2122133A - Iron-tanned leather : en
  • GB487991A - Improvements in or relating to extrusion apparatus : en
  • BE427383A - : en
  • CA374684A - Fabricated structure : en fr
  • PL26601B1 - Braking device for railway vehicles or similar vehicles running on rails. Patent dependent on patent No. 17312 and No. 21305. : en pl
  • AU151837A - Improved egg boiler and timer : en
  • CH198489A - Four-stroke injection internal combustion engine. : de en
  • CH198539A - Device for the automatic control of the movement of the leg in thigh prostheses. : en it
  • US2121883A - Intercommunicating system and apparatus therefor : en
  • US2122339A - Building construction : en
  • US2122275A - Camp stove : en
  • US2121991A - Coin controlled apparatus : en
  • US2121995A - Fillet piston packing : en
  • AU298437A - Improvements in or relating to power transmitting devices for refrigerating andother apparatus : en
  • GB488187A - Improvements in and relating to shelf edging and method of making same : en
  • BE428327A - : en
  • US2121780A - Sound translating system : en
  • US2122140A - Refrigerating method and apparatus : en
  • US2122142A - Method of and means for forming printing plates : en
  • US2121902A - Tensioning apparatus for material rolls : en
  • US2122214A - Aircraft : en
  • US2122348A - Carburetor : en
  • US2121814A - Hydraulic check : en
  • US2122152A - Apparatus for determining and indicating variations in thickness of thread or the like : en
  • PL26663B1 - Instrument for heat engines that automatically alarms in the event of a lack of lubricant or cooling water. : en pl
  • US2122107A - Protecting three-phase apparatus : en
  • DE661856C - Tool for preparing teeth for receiving jacket or step crowns : de en
  • GB488158A - Improvements in or relating to radio and like receivers : en
  • US2122274A - Torsional vibration absorber : en
  • US2122368A - Punch : en
  • DE661554C - Production of alkali nitrates : de en
  • PL26625B1 - A connection system for the regulation of excitation of generators with a transverse field. : en pl
  • PL26681B1 - Telephone or radiotelephony apparatus incorporating a touch-sensitive microphone. : en pl
  • CH198434A - Ski binding. : de en
  • PL26661B1 - A device for synchronizing a television set. : en pl
  • US2122296A - Brake : en
  • US2121903A - Torch or lamp : en
  • USD110278S - Design for a tumbler : en
  • GB488062A - Improvements in or relating to furnaces for the heat treatment of metals : en
  • CA374747A - Recording carrier : en fr
  • CH198385A - Wire guide for winding. : en fr
  • GB488092A - A process of preparing products of improved utility from crude olefine polysulphide plastics : en
  • GB488105A - Improvements in petrol tanks : en
  • CH198611A - Process for the production of a sulfur dye. : de en
  • US2121857A - Hosiery : en
  • FR829585A - Lighting fixture : en fr
  • GB487831A - Improvements in and relating to rotary printing machines : en
  • GB487874A - Improvements in and relating to weft inserting needles for weaving looms : en
  • FR829476A - Improvements in the construction of cathode ray tubes : en fr
  • GB487992A - Improvements in or relating to travelling grates for fire-tube boilers : en
  • FR829609A - Concatcher with plates interposed between the spokes, which have ribs formed by incisures whose sides are bent by 90 degrees : en fr
  • PL26577B1 - Steel, especially for the manufacture of valves for internal combustion engines. : en pl
  • DE661919C - Housing part for electrical machines, in particular bearing frames for built-in motors, with metallic inserts provided to increase the mechanical strength : de en
  • GB487878A - Improvements in the manufacture and production of compounds of the anthraquinone and anthrapyrimidine series : en
  • FR829405A - Rectilinear guide for motor-pumps to fight parasites : en fr
  • US2121773A - Motion checking apparatus : en
  • US2122040A - Step : en
  • AU240837A - Regulating device for refrigerating machines : en
  • DE662037C - Liquid flow meter : de en
  • GB487876A - Improvements in heaters for liquids : en
  • GB488090A - Breech-action for firearms : en
  • DE661957C - Brush composed of individual layers of carbon for electrical machines : de en
  • DE661011C - Tobacco pipe : de en
  • ES143834A1 - A radio receiver. : en es
  • US2122081A - Light weight brake beam : en
  • FR829567A - Electric lamp : en fr
  • DK54897C - Method for Transferring Cellulose Eaters in a Form Easily Soluble in Cold Water without Lump Formation. : da en
  • FR829484A - Device for driving pieces of fabric or other materials and its application to the rolling of velvet pieces : en fr
  • GB487982A - Improvements in or relating to short-time switches operating with the aid of controlled current converters : en
  • GB488117A - A stop for swinging windows, doors or the like : en
  • GB488160A - Method of and devices for collecting, quenching and carrying away furnace residues : en
  • PL26629B1 - Bipolar mercury contact, closed due to bending the rail. : en pl
  • US2122092A - Manufacture of artificial silk : en
  • DE661835C - Process for the production of ceramic colored bodies : de en
  • FR829402A - Electric door operating device : en fr
  • US2122189A - Flush valve : en
  • US2121959A - Device for roughening roll surfaces : en
  • US2122372A - Boat fender : en
  • FR829522A - Optical current flow indicator : en fr
  • GB487907A - Improvements in chairs, settees and the like : en
  • FR829445A - Further training provided in the establishment of loudspeakers : en fr
  • AU291737A - Improvements in sealing devices for rotational members : en
  • US2122123A - Powder puff forming a receptacle : en
  • DE661974C - Arrangement for controlling converters by means of auxiliary discharge paths : de en
  • FR829605A - Supporting board with crank device for handling ice, in particular for automobile doors : en fr
  • GB488169A - Improvements relating to paint brushes : en
  • FR829478A - Improvements made to concrete blocks intended for the construction of inexpensive houses or other constructions : en fr
  • PL26579B1 - A method of producing substances that kill bacteria in the oral cavity. : en pl
  • PL26717B1 - A method of producing slush phosphorus fertilizers. : en pl
  • US2121964A - Stop motion for knitting machines : en
  • AU104599B2 - Electrical systems for forming frequency controlled oscillations : en
  • CH198425A - Rotating fire protection device in film projection booths. : en fr
  • FR829629A - Method and apparatus for the manufacture of glass fibers and the like : en fr
  • US2121911A - Wall duster : en
  • US2122109A - Hand guard for rotary cutters : en
  • DK54898C - Procedure for the production of diamino alcohols of the aromatic series. : da en
  • FR829556A - Improvements in the production of rubber or similar products obtained from latex : en fr
  • GB487877A - Process for the manufacture of new anthraquinone derivatives : en
  • GB488096A - Improvements in and relating to electric selective control systems : en
  • SE92652C1 - : sv
  • US2121924A - Spraying apparatus : en
  • CH198375A - Process for the production of a cleaning agent. : de en
  • FR829427A - Process for the preparation of water-soluble compounds of the Androstane and Pregnane series : en fr
  • FR829519A - Device for mounting balls in multiple bearings : en fr
  • FR829492A - Traps device for skips and hoppers : en fr
  • GB487936A - Improvements in and relating to coal-dust burners : en
  • GB487945A - Improvements relating to the measurement of the optical density of photographic films : en
  • GB488091A - An improved anti-roll and shock absorber assembly for vehicles : en
  • DE661880C - Machine for the production of bottle-like packaging : de en
  • DE661819C - Extending table with drawers or compartments arranged in the frame or in the foot column : de en
  • DE661845C - Process for the production of coagulable protein solutions : de en
  • US2122129A - Diethyl ether of triethylene glycol : en
  • PL26670B1 - Neckless glass tube for tablets or similar shapes. : en pl
  • US2122151A - Metallic window frame : en
  • GB487962A - Improvements in creel frames for warping machines : en
  • US2122071A - Casing head : en
  • US2122132A - Refractory brick or radiant for surface combustion burners : en
  • US2122356A - Fluid chuck operating mechanism : en
  • CA374797A - Double boiler : en fr
  • FR829514A - Multiple contactor : en fr
  • GB488074A - Improvements in and relating to shaft bearings : en
  • FR829581A - Engine fuel : en fr
  • GB488134A - Improvements in or relating to methods of and devices for binding dust and fly in spinning mills : en
  • US2121981A - Process of and apparatus for manufacturing saccharose from formaldehyde : en
  • US2122005A - Greenhouse construction : en
  • GB487989A - Process for the manufacture of building materials : en
  • GB487818A - Fishing reels : en
  • FR829470A - Method and device for gas purification : en fr
  • CH198605A - Contact device, in particular for railway safety devices. : de en
  • GB487995A - Improvements in or relating to motor vehicles : en
  • GB488200A - Improvements relating to resilient sleeves, pads and the like, particularly for use with transmission gearing : en
  • FR829451A - Improvements to the means for ensuring the pivoting of elements belonging to aerodynamic surfaces, in particular for engine cowls : en fr
  • DK54923C - Pneumatic Apparatus for Remote Control of the Machine Gun Mechanism. : da en
  • FR829571A - Apparatus for treating laundry to be machine washed : en fr
  • US2122324A - Garment hanger rack : en
  • PL26605B1 - A method of spraying and an apparatus for applying the method. : en pl
  • DE661885C - Device for evaporation of the solution in a steam power plant that works by introducing exhaust steam into a steam-absorbing solution : de en
  • GB487943A - Improvements in and relating to crushing, grinding and pulverising machines : en
  • GB488037A - Improvements in or relating to spring suspension systems of vehicles : en
  • AU297937A - Means forthe preselecting of radio programmes tobe tuned in automatically bya radio receiver : en
  • CH198563A - Tuning device on high-frequency devices with optional setting to predetermined frequencies. : de en
  • CA374714A - Tire tread slitting apparatus : en fr
  • CA374715A - Miniature piano : en fr
  • CH198506A - Adjustable reactance transformer. : en fr
  • CA374696A - Electric discharge device : en fr
  • AU382437A - Improved capsule for bottles, jars andthe like : en
  • CA374745A - Furnace stoker : en fr
  • US2122052A - Conveyer belt : en
  • US2122327A - Combination door hinge and control : en
  • BE427871A - Self-injection circuit breaker with extinguishing fluid : en fr
  • AU104258B2 - An improved riddle for cleaning dried fruit and other products : en
  • US2121809A - Composition cork and method of making same : en
  • AU198037A - The manufacture of new resin condensation products : en
  • CA374749A - Safety glass heating method : en fr
  • CH198438A - Target practice device. : de en
  • CA374754A - Skein conveyer : en fr
  • US2122136A - Combined printing and sorting machine : en
  • US2122157A - Hard metal alloy, especially for tools : en
  • US2122349A - Safety egg-laying nest : en
  • AU246137A - Improvements in or relating to heavy hydrocarbon cracking apparatus for internal combustion engines : en
  • PL26571B1 - Compression chamber of the internal combustion engine. : en pl
  • PL26727B1 - Aluminum canteen. : en pl
  • AU104605B2 - The manufacture of pyrimidine compounds : en
  • US2122377A - Electron discharge tube : en
  • USD110262S - Design for a bottle : en
  • US2122297A - Weather resistant pigment : en
  • AU104270B2 - Improvements in centrifugal pumps : en
  • AU104553B2 - Improvements in reversing transmission gearing : en
  • US2122180A - Synthetic spinels : en
  • AU104242B2 - Improvements in wardrobes, cabinets andthe like : en
  • AU104234B2 - Improvements in dewooling machines : en
  • AU104565B2 - Improvements relating to fertilizers : en
  • US2122224A - Venetian blind : en
  • US2122353A - Hydraulic power transmission apparatus : en
  • AU253437A - Improvements in and relating to garden or hedge shears andthe like : en
  • CH198443A - Radio beacon transmitter for shortwave. : de en
  • CA374772A - Engine adapting means : en fr
  • AU104543B2 - An improved mop : en
  • AU104563B2 - An improved animal emasculating tool : en
  • CH198478A - Seal for socket pipe connections. : de en
  • US2122340A - Service cock key and curb box cleaner : en
  • CA374660A - Sulphur production : en fr
  • FR829449A - Pressure regulator with safety devices : en fr
  • PL26667B1 - The method of covering wood with coatings. : en pl
  • CA374743A - Electric contact : en fr
  • FR829510A - Improvements to aircraft : en fr
  • CH198536A - Device with hinged anti-glare hood for the light exit opening of flashlights and hand lamps. : de en
  • FR829408A - Improvements to electric organs : en fr
  • GB488259A - Improvements relating to control equipments for electrical apparatus : en
  • FR829626A - Pressing device, especially for the harvest : en fr
  • GB488001A - Improvements in methods and machines for binding packages with wire : en
  • GB488030A - Process for the manufacture of a preparation of the hormone of the anterior lobe of the hypophysis : en
  • US2121937A - Oil pan assembling device : en
  • AU251437A - Improvements in razors : en
  • PL26654B1 - A method of making footwear with a sponge rubber sole and a device for this purpose. : en pl
  • AU104590B2 - Improved capsule for bottles, jars andthe like : en
  • US2122036A - Elevator cup : en
  • US2122345A - Adjustable locomotive seat : en
  • SU53289A1 - Device for automatic feeding and tensioning of the base : en ru
  • DE661344C - Filters for gas generators : de en
  • US2121824A - Lubricants : en
  • US2122215A - Electrically illuminated fish lure : en
  • AU250537A - Illuminated sign : en
  • GB488070A - Improvements in or relating to colour kinematography : en
  • DE661912C - Switch with arc extinguishing by flowing gas : de en
  • PL26623B1 - The method of making canned cucumbers. : en pl
  • USD110329S - Design for a textile fabric or : en
  • GB487977A - Improvements in or relating to radio receiving sets : en
  • GB488072A - Improvements in or relating to control apparatus for internal combustion engines : en
  • US2121940A - Closet bowl : en
  • FR829544A - Electric circuit breaker with thermal relay : en fr
  • PL26597B1 - Process for the production of ash-free coke, especially for the production of electrode carbons. : en pl
  • GB487981A - Improvements in milking machine installations : en
  • DE662016C - Ham cooker : de en
  • FR829518A - New method and device for automatic shuttle changing for looms : en fr
  • PL26624B1 - A method of manufacturing building parts from ferroconcrete and a device for using this method. : en pl
  • CA374693A - Cable connector : en fr
  • CH198378A - Drawer slide. : de en
  • CH198589A - Device for fastening protective panes, in particular frost protection panes, to vehicle windows. : de en
  • PL26569B1 - A furnace for burning garbage and other waste. : en pl
  • GB488079A - A line-spacing device for typewriters and like machines : en
  • CH198472A - Sharpening device for razor blades. : de en
  • CH198494A - Heavy fuel carburetors for internal combustion engines. : de en
  • GB488152A - Improvements in air filtering apparatus : en
  • GB488007A - Method of making cases : en
  • GB487990A - Improvements in the manufacture of elastic products with a textile basis : en
  • FR829454A - Light control unit, in particular for sound films : en fr
  • FR829597A - Machine for intimately mixing substances : en fr
  • GB576357A - Improvements in or relating to wireless systems or apparatus : en
  • FR829568A - X-ray apparatus for examining shoes : en fr
  • FR829644A - Improvements in connection systems between two rotating components : en fr
  • GB488077A - Improvements in moulds or closing devices for socket pipe joints to be filled in with molten material : en
  • USD110291S - Design for a pin clip : en
  • BE427964A - : en fr
  • CH198501A - Heat exchanger. : en fr
  • FR829415A - Improvements to rail vehicles and railways : en fr
  • FR829594A - Improvements to portable shelters for protection against the sun and wind, for the beach or other similar use : en fr
  • GB488031A - Improvements relating to time base circuits for cathode ray oscillographs : en
  • DE661858C - Method for producing composite cast bearing shells : de en
  • FR829560A - Annular gear improvements : en fr
  • FR829600A - High molecular weight halogenated organic compounds and processes for their preparation : en fr
  • GB488131A - Improvements in and relating to the coating of articles by means of cathode disintegration : en
  • FR829450A - Improvements to signaling systems : en fr
  • US2121947A - Machine for applying legends to razor blades : en
  • AU197137A - Improvements in or relating to antenna systems : en
  • AU246637A - Improvements in wardrobes, cabinets andthe like : en
  • GB488009A - Improvements in or relating to shirts : en
  • US2121817A - Punch mechanism : en
  • US2122038A - Starter control : en
  • US2122039A - Pulsating jig : en
  • CH198450A - Tester for radio tubes. : de en
  • GB488133A - Improvements in or relating to collapsible tubes : en
  • GB488066A - Improvements in means for freeing obstructions from waste pipes of sinks, drains andthe like : en
  • GB488081A - Improvements in rejector circuits for electrical apparatus having high or ultra-high frequencies : en
  • USD110292S - Design for a pin clip : en
  • FR829549A - Car luggage rack : en fr
  • GB487920A - Improved apparatus for cleaning the external surfaces of boiler tubes or the like disposed in banks : en
  • GB488112A - Improvements in or relating to radio and like receivers : en
  • FR829479A - Process and apparatus for the manufacture of integral flour and for other applications; products obtained : en fr
  • DE661830C - Device for sound absorption and covering the muzzle flash etc., consisting of several gas expansion chambers : de en
  • GB488093A - Manufacture of cyanine dyestuffs and the application of the dyestuffs to photographic emulsions : en
  • FR829401A - Braun tube : en fr
  • GB487986A - Improvements relating to motor fuels : en
  • DE661808C - Filler pen for switching tubes of electrical switches : de en
  • AU240437A - Improvements in window sashes or casements : en
  • AU303637A - A combination woodworking machine and driving means therefor : en
  • CH198394A - Shoe. : de en
  • DE661918C - Method and device for winding coils onto toroidal cores of electrical machines : de en
  • US2122130A - Fastener : en
  • CH198398A - Gaiter boots. : de en
  • DE1438931U - : de en
  • FR829420A - Advanced device for stretching plastics such as caramel : en fr
  • GB488173A - An anti-waste cock : en
  • DE661893C - Circular vibrating sieve with sieve box driven by rotating centrifugal masses : de en
  • US2121844A - Composition and process of making same : en
  • DE661783C - Multi-stage drive transmission for land vehicles, especially rail vehicles : de en
  • CH198405A - Process for the preparation of anhydrous and oxide-free glucinium fluoride. : en fr
  • PL26622B1 - A holder for a ticket or other document and photo : en pl
  • DE661788C - Arrangement for controlling the passage of current in electrical ion discharge paths provided with blocking electrodes with continuously excited cathode : de en
  • CH198587A - Motor vehicle. : de en
  • CH198601A - Device for switching step gears on bicycles. : de en
  • US2121980A - Measuring apparatus : en
  • GB487822A - Improvements in and relating to the tempering of glass : en
  • DE661903C - Chip-removing tool, in particular milling cutter for milling machines for processing clichés and the like. like : de en
  • CH198399A - Device for stretching riding and walking boots. : de en
  • PL26592B1 - Compressor cooler. : en pl
  • USD110237S - Design for a milling machine knee : en
  • DE661749C - Process for improving the fastness properties of substantive dyes on vegetable fibers : de en
  • CA374665A - Fluid pressure brake device : en fr
  • CH198384A - A method of continuously converting at least one substantially torsion-free bundle of united continuous filaments into a wick fiber product, apparatus for its processing and a product obtained by this method. : en fr
  • CH198530A - Electromagnetic relay. : de en
  • CA374720A - Band-pass filter : en fr
  • USD110266S - Design for a flatiron : en
  • PL26712B1 - Mounting plates in duplicators. : en pl
  • DE662020C - Plate heat exchanger with safety groove for draining the leakage fluid from the through ducts : de en
  • DE661985C - Straw feeding device for straw presses : de en
  • DE662030C - Needle for picking up stitches in knitwear : de en
  • US2121983A - Variable resistor : en
  • CH198500A - Refrigerator with chiller. : de en
  • PL26573B1 - Permanent magnet made of shredded pressed material and the method of its production. : en pl
  • CH198570A - Method and device for determining the direction of incidence of vibration processes by comparing their total transit times. : de en
  • AU102937A - Improvements in signal devices for dispensing pumps : en
  • PL26725B1 - A method of processing ground cork and an insulating mass containing the cork so treated. : en pl
  • US2121842A - Container : en
  • PL26576B1 - A method of producing shaped objects from water-based rubber dispersions. : en pl
  • US2122202A - Expressing press : en
  • US2122318A - Method of making brushes : en
  • CA374719A - Wave-signal-collecting system : en fr
  • SU53404A1 - Catalyst for hydrogenation of organic matter : en ru
  • PL26609B1 - Selenium rectifier and the method of its production. : en pl
  • US2122176A - Air preheater : en
  • US2121775A - Car stop : en
  • FR829459A - Pneumatic tire with enlarged and flattened tread surface : en fr
  • FR829557A - Improvements in the heat treatment of metals : en fr
  • GB488162A - Improvements in and relating to diffusion pumps : en
  • CH198447A - Periodically working device with measuring mechanism and with follow-up control, in particular maximum counter. : de en
  • CA374681A - Suction nozzle : en fr
  • CA374671A - Sound translating device : en fr
  • DE661800C - Fresh water treatment system : de en
  • GB487941A - Improvements in processes of and apparatus for imbibition printing : en
  • GR7485B - TIN STEELS AFTER TWO-GLASS SHAPE T. : el en
  • CH198554A - Electrical transmission device with at least one screen means. : de en
  • PL26704B1 - The method of producing plastic masses. : en pl
  • GB487970A - Improvements in and relating to rotary printing machines : en
  • FR829418A - Valve shock-absorbing device, in particular for combustion engines : en fr
  • US2122175A - Absorbent textile : en
  • USD110269S - Design fob a magazine rack : en
  • CH198524A - Electric circuit breaker. : de en
  • AU104233B2 - Improved means for preventing creep of pneumatic tyres on wheels or rims : en
  • CA374744A - Garbage can : en fr
  • CH198562A - Device for reducing the cracking noises caused by atmospheric disturbances and the like in receivers for modulated high frequency. : de en
  • USD110304S - Design for a package dispenser : en
  • AU104586B2 - Improvements in fluid flow governors : en
  • AU318937A - Permanent hair waving apparatus : en
  • AU252437A - Improvements in or relating tomulti grid electron discharge devices : en
  • DE661935C - Insect food poison : de en
  • CA374685A - Fabricated structure : en fr
  • US2121819A - Vibration damper : en
  • US2122272A - Battery dumper : en
  • PL26594B1 - A method of catalytic hydrogenation of coal, in particular brown coal or similar carbon solids. : en pl
  • DE661786C - Pressure cable system for single and multi-phase electrical high voltage cables : de en
  • DE662003C - Method and device for producing a tobacco web : de en
  • PL26636B1 - A mine thrower, infantry cannon or similar firearm. : en pl
  • US2121792A - Cartridge clip : en
  • US2122193A - Recording and reproduction of sound : en
  • PL26699B1 - Diaphragm setting device for regulating the fuel supply, supplied under pressure to gas nozzles of internal combustion engines. : en pl
  • US2122094A - Resounding-board for accordions : en
  • US2122257A - Multirange coupling circuit : en
  • GB488085A - Improvements in safety devices on machines for cutting paper, cardboard and the like : en
  • GB488154A - Improvements in or relating to torque measuring devices : en
  • PL26640B1 - A device that makes it possible to fire at airplanes at night using a listening device without the use of reflectors. : en pl
  • US2121807A - Independent wheel suspension : en
  • CA374759A - Elastic mass manufacture : en fr
  • AU267637A - An improved device for minimising 'water hammer' and the like in water supply systems : en
  • CH198377A - Process for the production of a flat structure which can be used as carpet, floor covering etc. and structure produced according to the process. : de en
  • CA374661A - Circuit interrupter : en fr
  • US2122026A - Shock absorber for drift recording instruments : en
  • AU104247B2 - Improvements in or relating to reels for fishing lines : en
  • US2121847A - Interlocking system for railroads : en
  • CA374790A - Camera field divider : en fr
  • US2121907A - Footwear : en
  • US2122044A - Carton assembling mechanism : en
  • US2122212A - Spike puller : en
  • PL26588B1 - Tv sounding and accurate tbram : en pl
  • US2121794A - Cartridge guide and stop for machine guns : en
  • PL26598B1 - Hydraulic device for deep drilling. : en pl
  • DE661906C - Trough-shaped railway sleeper with longitudinal grooves in the sleeper ceiling : de en
  • GB488118A - Improvements in display devices : en
  • DE661998C - Heating and ventilation device for vehicles with internal combustion engines, in particular motor vehicles : de en
  • CH198513A - Wire connection sleeve. : de en
  • US2122000A - Humidifier control apparatus : en
  • US2122099A - Device for laying pipe : en
  • US2121976A - Method for increasing the oiliness value of lubricating oils and lubricating oils prepared by such method : en
  • US2122317A - Case liner : en
  • US2122334A - Gas and liquid contacting apparatus : en
  • US2122166A - Ship's side-light : en
  • USD110282S - Design for a handbag : en
  • AU221237A - Automatic zeroizing device for dispensing pumps : en
  • CH198367A - Air humidifier device. : en fr
  • DE661828C - Suspended seat, especially for motor vehicles : de en
  • GB488002A - Improvements in and relating to twist-grip handle bar controls, particularly for motor and pedal cycles : en
  • IE14915L - Two-stroke internal combustion engines : en
  • PL26702B1 - Rope furnace *, especially for steam locomotives. : en pl
  • FR829438A - Portable lantern refinements : en fr
  • GB488204A - Improvements in or relating to electric light pendants : en
  • US2122358A - Train describer system : en
  • PL26666B1 - A method of treating the surface of iron or iron alloy objects before applying a coating of paint, varnish and similar materials to them. : en pl
  • FR829604A - Improvements in plastic molding : en fr
  • DE662039C - Eyeglass temple : de en
  • GB488203A - Piano accordions : en
  • DE661628C - Permanent hair waving device for flat winding : de en
  • GB488178A - Improvements in and relating to rowing machines : en
  • US2121951A - Paper article : en
  • FR829612A - Improvements in the construction of generators and electric motors : en fr
  • FR829630A - New box and manufacturing process : en fr
  • CA374806A - Verifying punch machine : en fr
  • CH198372A - Gas generator. : de en
  • CH198492A - Process for flushing two-stroke U-cylinder engines. : de en
  • BE428145A - Improvements to machines for ticket control : en fr
  • DE661976C - Grate firing with two fuel supply shafts arranged one behind the other for firing various types of fuel : de en
  • FR829555A - Advanced tachometer : en fr
  • PL26697B1 - A method of producing pure alumina. : en pl
  • US2122244A - Socket connection : en
  • GB487996A - Improvements in collapsible cartons or like containers : en
  • GB487872A - A method of measuring, recording or regulating physical magnitudes : en
  • USD110273S - Design for a goblet or similar : en
  • FR829432A - Improvements to Combined Heating and Kitchen Appliances : en fr
  • FR829628A - Static device for increasing the voltage of a direct current : en fr
  • DE661889C - Guide bearings for electrical machines with vertical shaft : de en
  • US2121932A - Rotary press : en
  • US2122043A - Method of producing characters : en
  • US2122199A - Horizontal core machine : en
  • FR829477A - Improvements to reception devices for rotary printing machines : en fr
  • FR829588A - Improvements to the servomotor brake control linkage : en fr
  • US2122050A - Retard air control for stokers : en
  • US2121831A - Tool-actuating apparatus : en
  • US2121994A - Stop feed plug for textile knitting machines : en
  • GB488253A - Transmitter with spiral-aperture discs : en
  • GR7487B - METHOD AND MEANS OF NEUTRALIZATION OF THE SMELL OF GARLIC. : el en
  • US2121791A - Cork composition and method of making : en
  • USD110270S - Design for a flashlight casing : en
  • USD110308S - Design for a textile fabric : en
  • CH198558A - Circuit arrangement for telephone systems with main, intermediate and end exchanges and dialer operation. : de en
  • GB488126A - Machine for wrapping butter : en
  • FR829619A - Assembly intended to couple a current generator to an electrical device : en fr
  • GB488043A - Improvements in rudders for ships : en
  • GB487814A - Improvements in the manufacture of padding : en
  • US2122249A - Seal for rotary concrete mixing drums : en
  • US2122286A - Power operated depth control for disk plows : en
  • US2121880A - Carpet sweeper : en
  • DE661785C - Circuit arrangement for the transmission of regular incremental currents for clocks and alarm messages : de en
  • GB488128A - Improvements in and relating to electrolytic cells : en
  • GB488060A - Sparking plug for internal combustion engines : en
  • DE662014C - Process for the production of grease-proof cardboard boxes for holding floor polish using glue and water glass : de en
  • FR829513A - Process for manufacturing shoes, and shoes obtained by this process : en fr
  • PL26644B1 - A method of forging threads and a device for producing screws using this method. : en pl
  • DE661802C - Protection channel for intermediate excavator : de en
  • PL26726B1 - Clutch for hanging pendant lamps. : en pl
  • DE661971C - Quick coupling for the ropes of cable cars : de en
  • DK54902C - Procedure for Supply Combustion Air to Fireplaces and for the Procedure Implementation Determined Fireplace. : da en
  • DE661852C - Control device for electrical machines that is dependent on two or more electrical quantities : de en
  • CH198614A - Process for the production of a new dye. : de en
  • SU53375A1 - Mobile device for loading or unloading railway wagons : en ru
  • US2122093A - Oven : en
  • GB487810A - Improvements in cases or containers for stacked safety-razor blades : en
  • GB488046A - Improvements relating to paint mottling apparatus : en
  • DE661816C - Plant for the production of sheet glass : de en
  • CH198619A - Locking device for the thicknessing planing table on planing machines. : de en
  • US2122290A - Artificial thread and method for preparing same : en
  • US2122375A - Lamp : en
  • DE661931C - Motor gripper : de en
  • DE661949C - Game figure equipped with a sling device for table games similar to football : de en
  • USD110236S - Design for a textile fabric : en
  • CA374688A - Windmill furling device : en fr
  • CA374691A - Electric clock mechanism : en fr
  • CA374740A - Frozen multi-flavored confection manufacture : en fr
  • CH198546A - Warning device for oxygen breathing apparatus, respectively when the oxygen bottle is closed. is switched on when falling below a certain oxygen pressure in the breathing circuit. : de en
  • AU253037A - Pneumatic boxing glove : en
  • US2122024A - Coin divider : en
  • US2122145A - Radio communication system : en
  • AU317537A - Improvements in forks for single-wheeled trailers for motor and other road vehicles : en
  • DK54908C - Flue pipe boiler. : da en
  • US2122264A - Noose device : en
  • FR829497A - Automotive tank for the transport of liquids of all kinds on roads and off-road : en fr
  • GB488069A - Improved means for indicating the deflation of a tyre to the driver of a vehicle : en
  • DE661959C - Device for automatic arc welding with covered electrodes : de en
  • FR829543A - Improvements to electrodes for electrical resistance welding : en fr
  • PL26680B1 - Device for supporting shapes, especially rails during their hardening. : en pl
  • AU104255B2 - Apparatus for the automatic control of windmills used for pumping water : en
  • DE661909C - Amplifier arrangement : de en
  • DE662214C - Device for the self-control of unmanned aircraft : de en
  • AU358237A - Seal for containers : en
  • CH198454A - Accounting machine. : en fr
  • CH198510A - Method of manufacturing coaxial cables. : de en
  • US2121861A - Jack : en
  • US2122061A - Multiwall bag of paper or similar material : en
  • AU104576B2 - Improvements relating to shaft couplings : en
  • DK54920C - Razor. : da en
  • US2122009A - No-roll-back brake for automobiles : en
  • USD110245S - Combined bottle and container therefor : en
  • FR829471A - Automatic scouring grate for solid fuels : en fr
  • US2121985A - Shower bath : en
  • US2122385A - Sedimentation apparatus : en
  • USRE20773E - Means adapted to reduce the torsional oscillations of crankshafts : en
  • GB488124A - Improvements in or relating to electric battery lamps : en
  • DE661791C - Bar floor : de en
  • GB487875A - Improvements connected with receivers for bottle filling or like machines : en
  • GB487933A - Improvements relating to web-turner bars for printing machines and for like purposes : en
  • BE427630A - : en
  • AU104281B2 - Display device : en
  • CA374769A - Artificial production manufacture : en fr
  • CH198572A - Hopper direction finder. : de en
  • CH198431A - Process for making grain screens applicable in gravure, hand gravure, typography, etc. : en fr
  • US2121898A - Sign : en
  • US2121787A - Method and apparatus for determining the migration of fish : en
  • AU104267B2 - Improvements in signal amplifiers : en
  • AU104254B2 - Improvements in the production of seamless asbestos cement pipes : en
  • CA374750A - Safety glass manufacture : en fr
  • US2122012A - Refrigerating apparatus : en
  • FR829473A - Method and device for the mechanical treatment of rayon cakes : en fr
  • FR829538A - Shock absorber : en fr
  • US2122319A - Meter reading recorder : en
  • AU247037A - Carrier wave systems : en
  • GB488008A - A process for the production of cerium compounds : en
  • CA374670A - Volume control circuit : en fr
  • CH198452A - Key-controlled adding and subtracting machine. : de en
  • AU104587B2 - A combined suitcoat and vest : en
  • CH198467A - Milling machine. : de en
  • CH198552A - Desk phone writing console. : de en
  • AU104244B2 - Improvements in and connected with electric hotwater jugs andthe like : en
  • US2122238A - Process and apparatus for the separation of gas mixtures : en
  • CH198410A - Shellac polish. : de en
  • CA374742A - Magnesium alloy processing : en fr
  • DE1439244U - : de en
  • CA374758A - Thermionic tube : en fr
  • CA374700A - Fluid pressure brake : en fr
  • DE661897C - Device for processing hard coal or other substances by means of heavy fluids : de en
  • GB487873A - Improvements in or relating to window frames : en
  • AU104266B2 - Improvements in or relating tomulti grid electron discharge devices : en
  • AU109537A - Device for cutting sugarcane trash : en
  • CH198418A - Method of transferring mirror writing from originals onto sheets of paper moistened with rapidly evaporating liquid by means of a rotary duplicating machine. : de en
  • DE661904C - Device for maintaining the degree of swelling of a swelling layer printing block containing hygroscopic substances and working in a printing machine : de en
  • FR829501A - Device for measuring a force or its variation : en fr
  • PL26639B1 - Electric clock drive device. : en pl
  • AU104594B2 - Means forthe preselecting of radio programmes tobe tuned in automatically bya radio receiver : en
  • US2122288A - Process of making cellular refractory bodies : en
  • PL26595B1 - Method for the production of diphenyl-piperazine. : en pl
  • DK54909C - Windshield for Roofing felt cladding. : da en
  • DE661961C - Card punching machine : de en
  • PL26662B1 - Cellular detector. : en pl
  • DE661796C - Device for the automatic closing of vessels with capsules : de en
  • GB488055A - Improvements in and relating to elastic fluid turbines : en
  • GB488188A - Improvements in or relating to cathode ray devices : en
  • FR829606A - Process for removing hydrocarbons from gases containing them : en fr
  • GB488120A - High frequency current transformers : en
  • GB488145A - Improvements relating to conveying apparatus : en
  • PL26722B1 - The method of manufacturing rubber objects. : en pl
  • GB487927A - Improvements in or relating to processes for increasing the wetting power of strong alkali lyes : en
  • CH198426A - Charger for cinematographic cameras. : en fr
  • DE661691C - Method for reducing secondary quads from adjacent quads in telecommunications cables : de en
  • CH198400A - Process for lining the inner wall of reinforced concrete tanks which are intended to hold fermentation liquids or other acidic liquids. : de en
  • GB487958A - Improvements in devices for supporting garments and the like : en
  • US2121944A - Receptacle : en
  • FR829457A - Improvements in mold release processes and apparatus, in particular of tire casings : en fr
  • GR7492B - WATER OUTPUT CONTROL. : el en
  • DE661801C - Dry gas backflow preventer : de en
  • FR829563A - Improvements to ignition devices for combustion engines : en fr
  • GB487974A - Improvements in cathode ray tubes and the like : en
  • GB488014A - Method and device for vulcanising flat thin workpieces, particularly pneumatic tyre plasters, in bipartite press-moulds : en
  • GB487918A - Improved stencil device : en
  • US2122138A - Garment clasp : en
  • US2122234A - Applicator : en
  • DE661772C - Device for holding workpieces to be processed in rotating machines by means of resilient membrane disks : de en
  • DE661833C - Forming channel for straight cigarette machines : de en
  • FR829559A - Means for converting high boiling point hydrocarbons into low boiling point hydrocarbons : en fr
  • CH198483A - Winch, in particular for motor vehicles. : de en
  • FR829446A - Further training in the establishment of pocket knives : en fr
  • GB487915A - A word building device : en
  • CA374760A - Packing machine for pulverulent materials : en fr
  • CA374791A - Electrolytic metal processing : en fr
  • CH198421A - Playback device for picture or picture sound films with optical compensation. : de en
  • AU253137A - Apparatus for grading according to colour : en
  • USD110294S - Design for a spoon holder : en
  • FR829429A - Adjustable band filter : en fr
  • PL26707B3 - The way of the thread of rayon rayon. : en pl
  • DE661776C - Resilient wheel axle, especially for car trailers : de en
  • GB487896A - Improvements in and relating to collapsible furniture screens : en
  • GB487972A - Improvements in or relating to terminals or connectors for cables, conductors and the like : en
  • GB487902A - Improvements in blocks for lifting tackle : en
  • AU249737A - Improvements in or relating to stock feeding apparatus : en
  • DE661790C - Gray Persian fur imitation : de en
  • DE661948C - Automatic electromagnetic cone level indicator : de en
  • US2122023A - Javelin : en
  • US2121889A - Automatic friction brake : en
  • US2122271A - Electric valve converting system : en
  • US2122304A - Control system for electric valve apparatus : en
  • USD110321S - Design for merchants discount : en
  • USRE20772E - Process foe producing soap having : en
  • US2121790A - Hinge mounting for doors and the like : en
  • FR829443A - Packaging container : en fr
  • GB488107A - Improvements in or relating to hydraulic shock absorbers and the like differential pressure operated damping means : en
  • PL26651B1 - A medium with a mechanical vibration record of variable depth and suitably variable width that can be reproduced optically, a method of producing this recording, and an apparatus for carrying out the method. : en pl
  • US2122100A - Process for coloring and waterproofing textile material : en
  • US2121783A - Airplane running light : en
  • US2122388A - Tire demounting unit : en
  • US2122308A - Independent four-wheel spring mounting : en
  • US2122329A - Radio tuning indicator : en
  • DE661866C - Cattle tank : de en
  • DE661958C - Automatic electric arc welding device : de en
  • US2121885A - Casket and hardware therefor : en
  • DK54921C - Machine for opening coarse lips on shoe soles. : da en
  • US2122022A - Molding apparatus : en
  • US2122146A - Finishing planiform textile fabrics : en
  • US2122266A - Base plate for baseball diamonds : en
  • CA374682A - Molten metal container lining : en fr
  • CH198462A - Process for the production of hard metal fittings with a corrugated working surface and press die with corrugated working surface for carrying out this method. : de en
  • US2121908A - Hook : en
  • ES143342A1 - A METHOD OF PREPARING A WATER-SOLUBLE TITANIUM COMPOUND : en es
  • US2122218A - Clutch : en
  • US2122172A - Furniture frame : en
  • US2122391A - Balancing apparatus : en
  • CH198564A - Drive device with reduction gear. : de en
  • CA374789A - Circular light polarizer : en fr
  • CH198442A - Case for buffer gauges. : en fr
  • PL26698B1 - A method for the treatment of freshly advanced and cut packet fibers. : en pl
  • CH198419A - Process for the production of printing form plates consisting of several metal layers, in which the non-image areas repel the printing ink. : de en
  • US2122314A - Fuel supplying means for brooder stoves : en
  • CH198409A - Process for the production of pastes suitable for film formation. : de en
  • PL26603B1 - A method of producing tapes, cords and tubes from individual threads, and a device for using the method. : en pl
  • PL26660B1 - B> Q5ccIZ / OZ liquid vessel. : en pl
  • US2121966A - Process of molding synthetic resins and like plastic materials : en
  • USD110275S - Design for a dental equipment stand : en
  • USRE20774E - Method of and apparatus fob curling : en
  • CH198575A - Mannequin for the presentation of uncut fabrics in the form of ready-made garments. : en fr
  • CA374795A - Liquid fertilizer : en fr
  • CA374803A - Puller : en fr
  • PL26643B1 - Gas-tight connection of metal organs. : en pl
  • US2121936A - Combination excess flow and check valve : en
  • DE661864C - Device for measuring or regulating accelerations, in particular angular accelerations : de en
  • DE661926C - Locomotive firing for gas-rich, lump-shaped fuels : de en
  • GB488190A - Improvements relating to domestic ranges : en
  • DE661944C - Abrasive cutting for cutting and cutting workpieces : de en
  • US2121821A - Box ejector : en
  • PL26668B1 - A device for removing air from vessels, especially from the bulbs of electric bulbs, and for filling them with gases. : en pl
  • US2121916A - Combined guide and guard for wires : en
  • AU245437A - Improvements in and relating to processes for converting ethylalcohol into a combustible volatile liquid containing ether : en
  • DE661813C - Device for roasting bast fiber stalks : de en
  • PL26646B1 - The method of curling artificial viscose fibers, dry cut. : en pl
  • US2121859A - Corn harvester : en
  • US2122076A - Fueling system : en
  • CH198497A - Swing-mounted breaker lever on electrical ignition devices for internal combustion engines. : de en
  • GB488144A - Improvements in machines for applying labels to bottles : en
  • US2122248A - Circuit closer for alarms : en
  • DE661807C - Circuit arrangement for internal combustion-electric vehicle drive : de en
  • US2121993A - Cord reel for stand lamps : en
  • AU191537A - Improvements inthe manufacture of hollow glass building blocks : en
  • PL26621B1 - A method of producing liquid hydrocarbons or their oxygen derivatives by treating carbon oxides with hydrogen. : en pl
  • CH198490A - Two-stroke internal combustion engine. : de en
  • CA374716A - Protected razor blade : en fr
  • DE661853C - Automatic regulator for a flexible coupling of two alternating current networks : de en
  • USD110272S - Design for a goblet ob similar : en
  • US2122254A - Apparatus for use in the cutting of plastic sheeting : en
  • FR829641A - Improvements to automatic control devices for elevators, freight elevators and similar devices : en fr
  • US2122122A - Water softener : en
  • US2122228A - Water heater : en
  • CA374748A - Vibration record : en fr
  • PL26630B3 - Gripper for inserting the thread in the weaving grapple looms. : en pl
  • US2122369A - Boiler : en
  • DE661812C - Standing coking retort : de en
  • AU104235B2 - Improvements in window sashes or casements : en
  • US2122110A - Halogenation of aliphatic alcohols : en
  • CH198602A - Slope lift. : en fr
  • AU515137A - Improved method of and apparatus for the manufacture of boards for building and insulating purposes : en
  • CA374794A - Four wheel brake mechanism : en fr
  • AU200837A - Improvement in shrink-proof sheet and cellular fibre rendered repellant to water anda method of producing thesame : en
  • US2122053A - Process of manufacturing porous metallic bodies : en
  • US2122311A - Roller skate : en
  • BE427382A - : en
  • CA374679A - Crimped filament, yarn or fibre production : en fr
  • AU306237A - Improvements in and relating to filters of the edge filtration type : en
  • CH198507A - Rotor-fed three-phase shunt commutator motor. : de en
  • FR829589A - Rotary suction and compression or delivery device : en fr
  • CA374694A - Circuit breaker mechanism : en fr
  • DK54899C - Steam boiler with feed water preheater. : da en
  • GB487891A - Improvements in methods for sealing off vessels filled with gas to pressures higher than atmospheric : en
  • AU421437A - Safety razor : en
  • US2122111A - Air filter : en
  • US2122113A - Process for producing stable sulphuric acid ester salts of leucovat-dyestuffs in dry state : en
  • US2121921A - Internal combustion engine : en
  • CH198457A - Imaging optical system. : de en
  • FR829448A - Lens system for forming images with reduced chromatic aberration : en fr
  • CA374713A - Vulcanizing unit : en fr
  • CH198485A - Rotary compressor. : de en
  • GB488147A - Improvements in or relating to metal vapour electric current rectifiers : en
  • US2122098A - Knitting machine yarn housing structure : en
  • CH198569A - Method and device for determining the direction of incidence of vibration processes by comparing their total transit times. : de en
  • GB488012A - Improvements in ships' side-lights : en
  • AU104535B2 - Automatic zeroizing device for dispensing pumps : en
  • CH198523A - Mesh network with protective devices fed via several supply lines. : de en
  • US2122041A - Method and product of shoe-construction : en
  • US2121958A - Manufacture of sheet glass : en
  • US2122008A - Signal light : en
  • US2122032A - Covered ladle : en
  • USD110328S - Design fob a textile fabric ob : en
  • US2121840A - Method of gear generation and apparatus for performing such method : en
  • CH198493A - Four-stroke rotary valve engine. : de en
  • CH198606A - Base for overhead power outlet. : en fr
  • AU104264B2 - New and improved method of and means for making ceramic articles : en
  • US2122095A - Cathode ray device : en
  • CH198376A - Process for the manufacture of a cleaning agent. : de en
  • AU104276B2 - Improvements in or relating toa method of and apparatus for controlling the flow of refrigerant in refrigerating systems : en
  • CA374699A - Resin film manufacture : en fr
  • US2121785A - Interlocking system for railroads : en
  • US2122376A - Process and apparatus for continuous drying of fiberboard under pressure : en
  • USD110253S - Design fob shorts : en
  • DE661781C - Process and device for the purification and continuous production of anhydrous alcohol from mashes or other liquids containing alcohol by means of water-absorbing liquids : de en
  • FR829642A - Vibrating beam for making concrete pavements : en fr
  • GB488053A - Adjustable roller bearings : en
  • US2121948A - Burner : en
  • US2122034A - Hinge : en
  • GB488205A - Improvements relating to the manufacture of joint-making packings for machine parts : en
  • BE428199A - : en
  • CA374709A - Check valve device : en fr
  • AU105477B2 - Improvement in hosiery knitting machines : en
  • CH198441A - Method and device for generating mist. : de en
  • CH198498A - Device on carburetor engines for better distribution of the fuel in the fuel-air mixture flowing into the engine. : de en
  • CH198537A - Gas-filled electric light bulb. : de en
  • DE661943C - Process for the production of a tin can lid with a glass insert : de en
  • DE661982C - Movable barrel weight scale for wheel pressure measurements : de en
  • CH198382A - Protective belt for circular wire brush. : en fr
  • PL26581B1 - Bicycle pedal. : en pl
  • US2122336A - Spice rack : en
  • AU104601B2 - v Educational palettes or value control palettes : en
  • PL26691B1 - A valve timing for multi-cylinder engines, especially multi-cylinder combustion engines. : en pl
  • DE647603C - Inserting device for ash, rubbish and garbage containers : de en
  • PL26606B1 - Three-axle chassis for vehicles running on rails. : en pl
  • US2122063A - Hole straightening or reaming bit : en
  • US2122350A - Powder and puff box : en
  • AU104285B2 - Seal for containers : en
  • CH198422A - Cinematographic apparatus with a cassette. : de en
  • DE661770C - Circulating lubrication device for the crank pins of upright plunger and differential piston pumps with plungers arranged below the crank pin : de en
  • US2122016A - Production of caramel coatings and the like : en
  • US2122047A - Match comb conveyer or carrier : en
  • AU104272B2 - Resilient suspension unit : en
  • CH198373A - Appliance intended to be placed in a hearth, in order to ensure the combustion of the gases which are released above the coal. : en fr
  • CH198615A - Ski binding with heel holder loop. : de en
  • ES143316A1 - Improvements in rotary kilns for the thermal treatment of coal and other materials. : en es
  • AU104293B2 - Improvements in means forthe recovery of products inthe distillation of coal or shale : en
  • US2121965A - Lawn mower sharpener : en
  • US2122239A - Knitting machine : en
  • US2122361A - Refrigeration : en
  • CH198504A - Three-phase transformer or three-phase choke coil. : de en
  • CH198526A - Adjustable reactance coil. : en fr
  • US2122080A - Automatic well flow control : en
  • PL26613B1 - A set of wheels, fitted with grease sleeves and axle pins. : en pl
  • CH198456A - Film guiding device. : de en
  • US2121949A - Bituminous paint and method of making the same : en
  • US2122223A - Movable tab for file wrappers : en
  • US2121818A - Punching mechanism : en
  • US2122128A - Printing press : en
  • US2122059A - Method of refining oil : en
  • DE661846C - Device for mixing, stirring, dissolving, thickening, kneading, triturating, comminuting or salifying flowable or already powdery masses, preferably for processing cocoa or chocolate masses : de en
  • AU104556B2 - A process for preparing solutions for subcutaneous, intramuscular and intravenous injections : en
  • US2122187A - Chemical apparatus : en
  • CH198471A - Method and device for grinding and polishing spiral longitudinal grooves in bores. : de en
  • GB487975A - Improvements in or relating to conveyors for use in association with mining machines : en
  • CH198579A - Single-wheel trailer for motor vehicles. : de en
  • CH198580A - Device for controlling the brakes of a vehicle. : en fr
  • CA374687A - Cable anchorage : en fr
  • CH198584A - Vehicle brake. : de en
  • US2122247A - Sheet metal bathtub : en
  • USD110277S - Design fob a dental equipment stand : en
  • AU104541B2 - Improvements in or relating to shaving devices : en
  • PL26648B1 - Apparatus for the production of acetylene. : en pl
  • AU547837A - Improvements relating to insoles andthe like and to methods and materials for making thesame : en
  • AU104261B2 - Improvements in and relating to processes for converting ethylalcohol into a combustible volatile liquid containing ether : en
  • CH198557A - Number dialer with control strips for automatic telephones. : de en
  • DE661908C - Color image transmission receiver : de en
  • US2122070A - Combustible gas detecting system : en
  • PL26635B1 - Self-made firearm. : en pl
  • CH198368A - Electric heating stove designed as a radiator. : de en
  • CA374788A - Concrete mixer : en fr
  • CH198612A - Process for the production of a sulfur dye. : de en
  • US2121960A - Wing crane for snow plows : en
  • PL26574B1 - Optical device for finding broken warp threads in weaving looms from a weaver station. : en pl
  • PL26721B1 - Self-actuating coupling with hook-shaped discs and coupling lugs. : en pl
  • US2121975A - Slug casting machine : en
  • US2122161A - Refrigerating apparatus : en
  • CA374690A - Liquid treating apparatus : en fr
  • CH198415A - Envelope. : de en
  • GR7488B - PORTABLE ELECTRICITY PRODUCTION DEVICE USED EXCLUSIVELY FOR RADIO. : el en
  • CH198479A - Device for attaching hoses to pipes, taps and the like. : de en
  • CH198533A - Luminaire for one-sided lighting. : de en
  • USD110307S - Design for a textile fabric : en
  • FR829455A - Damping device for oscillating elements in an oil chamber, in particular for sound recording apparatus : en fr
  • GB487922A - Improvements in mule spinning machines : en
  • PL26690B1 - Hand-tying device. : en pl
  • CH198429A - Photographic recording material for color photography. : de en
  • USD110309S - Design for a chair pad cover : en
  • AU109237A - Improvements in or relating to packaging cheese : en
  • CA374739A - Tabulating card : en fr
  • CA374781A - Fuel pump : en fr
  • CH198624A - Tube closure. : de en
  • CA374732A - Cheese package : en fr
  • GB487928A - Improvements relating to means for creating a vacuum, particularly to such means for priming liquid pumps driven by an internal combustion engine : en
  • GB488194A - An improved feed hopper for use in connexion with pulverized fuel plants : en
  • DE662019C - Power driven typewriter : de en
  • CA374703A - Electropneumatic brake : en fr
  • USD110271S - Fish bowl : en
  • CH198411A - Dry glue. : de en
  • CH198617A - Device for achieving freedom from glare in headlamp systems, in particular those in motor vehicles, by arranging polarizers at the light transmitting point and analyzers at the light receiving point. : de en
  • GB487890A - Improvements in and relating to electromagnetically operated vehicle direction indicators : en
  • GB488111A - Improvements in or relating to radio and like receivers : en
  • GB488087A - Improvements in label holders : en
  • FR829529A - Product for fabric finishing and its manufacturing process : en fr
  • US2121795A - Spin recovery device : en
  • US2121952A - Bleaching, washing, and cleansing compositions : en
  • US2122321A - Windshield construction : en
  • GB488191A - A process and apparatus for producing a knitted fabric : en
  • DE661938C - Process for coloring metal objects by electrolytic deposition of metal oxides on the cathode in an alkaline bath : de en
  • GB487832A - Improvements in or relating to luminous advertising signs : en
  • CH198459A - Movable pillow block bearing, mainly but not exclusively for clockwork movements. : en fr
  • PL26616B1 - C 40i 3 / 'al Coke oven with internally heated fire walls. : en pl
  • US2121891A - Liquid level regulator : en
  • US2122121A - Surgical aspirated drainage cup : en
  • US2122291A - Braiding machine : en
  • US2121984A - Adjustable drain connection : en
  • CA374776A - Sound reproducing device : en fr
  • US2122332A - Boring apparatus : en
  • DE661956C - Process for the production of a calcareous mixed fertilizer : de en
  • PL26688B1 - Electric discharge lamp. : en pl
  • US2121931A - Pumping apparatus : en
  • DE661539C - Process for the production of, in particular, low-boiling, liquid products from coal or other carbon-containing substances by pressure hydrogenation : de en
  • US2121914A - Drill bit : en
  • PL26671B1 - Cushion under the foot. : en pl
  • USD110238S - Design for a shoe or similar article : en
  • CH198468A - Method and device for the production of so-called metal bronzes. : de en
  • CH198487A - Straight guiding of the piston of pumps for sprayers for pest control. : de en
  • GB487938A - Improvements in coin testing devices : en
  • US2122305A - Clothes hanger : en
  • GB488084A - Improvements relating to machines for grinding coffee beans or like material : en
  • US2122260A - Deodorizing and bleaching oils : en
  • US2122263A - Guard for scraper devices : en
  • US2122322A - Roller rack : en
  • US2121906A - Closure operating mechanism : en
  • GB487983A - Method and apparatus for destructive distillation at low temperature : en
  • US2122328A - Radio tuning indicator : en
  • US2121870A - Weight and line indicator : en
  • US2122042A - Combination cellaret cocktail table : en
  • DE661834C - Device for stopping and switching on an interrupted extrusion press : de en
  • FR829512A - Improvements to four-stroke internal combustion engines : en fr
  • US2122241A - Electric furnace : en
  • GB487817A - Improvements in or relating to projection arc lamps : en
  • GB488255A - A new or improved paper and like material : en
  • GB487930A - Improvements in or relating to knitting machine and process : en
  • US2121943A - Brick and block wall reinforcing : en
  • US2122364A - Compensated concentration testing system and method : en
  • FR829468A - Improvements to telephone sets with microphone and receiver remote from the user : en fr
  • US2122028A - Ore treating system : en
  • US2122221A - Set-up table : en
  • CH198383A - Device for the hygienic dispensing of beverages. : de en
  • CH198604A - Device for switching the car lighting on and off in railway trains. : de en
  • US2122246A - Method of making ornamental plastic rods : en
  • USD110311S - Design tor a dress : en
  • AU424737A - A process for preparing solutions for subcutaneous, intramuscular and intravenous injections : en
  • CA374779A - Compound action meter : en fr
  • CH198439A - Safety device on self-loading pistols to release the tap. : de en
  • FR829452A - Improvements made to means for controlling multiple shutters such as those for cowls of air-cooled engines : en fr
  • PL26677B1 - Liquid meter or gas meter. : en pl
  • PL26683B1 - A method of removing nitrative acid from nitro-starch and an apparatus for carrying out the method. : en pl
  • DE661839C - Kaefiglaeufer for asynchronous motors : de en
  • DE661905C - Heat furnace with a pair of rollers arranged in front of the discharge opening for pulling the rolling stock out of the furnace : de en
  • US2121850A - Garment presser : en
  • CH198371A - Oil supply device for oil burners. : de en
  • ES143757A1 - An arrangement with electrodes and their suspension. : en es
  • GB487805A - An improved method of treating "waste water" in the manufacture of paper and similarly prepared cellulosic fibrous materials : en
  • PL26710B1 - Ignition a candle in a bulb with a bulb wire hanging freely. : en pl
  • USD110259S - Design for a spectacle front : en
  • GB487932A - Improvements in and relating to vacuum cleaners and like movable floor tools : en
  • GB487967A - Improvements in adjustable supporting feet for billiard tables and other articles : en
  • IE14948L - Radio receivers : en
  • DE661936C - Electroplating method : de en
  • GB487892A - Process for the production of liquid hydrocardon products by destructive hydrogenation of distillable solid carbonaceous substances or products obtained therefrom : en
  • US2121810A - Cork composition and method of making same : en
  • US2121896A - Cream process and product : en
  • CA374664A - Refrigerating apparatus : en fr
  • GB488148A - Improvements in devices for removing plaster casts or bandages : en
  • US2121946A - Coin controlled apparatus : en
  • CA374780A - Sheet metal cleaning method : en fr
  • CH198516A - Arrangement for the control of switching processes in air protection systems. : de en
  • USD110287S - Design for an electric fence con : en
  • US2121867A - Land measuring instrument : en
  • DE639498C - Adjustment device on photographic, in particular cinematographic, recording apparatus : de en
  • GB487866A - Improvements in or relating to coin testing devices : en
  • US2122186A - Round-cornering machine : en
  • GB487827A - Thermal switches : en
  • US2121879A - Tobacco cutting device : en
  • USD110251S - Design fob a shoe : en
  • US2122074A - Sewage treatment process : en
  • US2122126A - Hose end structure : en
  • DE661842C - Process for the production of hard metal bodies with a high carbide content : de en
  • US2121869A - Flywheel brake : en
  • US2122062A - Method of forming a valve bag : en
  • DK54922C - Shoe Parts Pruning Machine. : da en
  • US2122147A - Trap : en
  • US2122219A - Hobbing machine : en
  • US2122045A - Power transmission : en
  • SU53324A1 - Device for automatic activation of keys of a dialer : en ru
  • US2121961A - Traffic marking device : en
  • US2122018A - Can washing machine : en
  • CH198393A - Garment with a hood. : de en
  • US2122025A - Carrying bag : en
  • US2122131A - Centralized traffic controlling system for railroads : en
  • PL26627B1 - Car body with flowing lines. : en pl
  • CA374741A - Magnesium production : en fr
  • FR829565A - Electric hob by radiation : en fr
  • GB487952A - Distributor for pasty material : en
  • FR829564A - Improvements in the supply of automobile engines with gasifier gas : en fr
  • CH198461A - Process for the manufacture of special steels. : en fr
  • US2121969A - Mold : en
  • AU376637A - Improvements in or relating to reels for fishing lines : en
  • US2121789A - Roof construction : en
  • AU364637A - Stretcher tool for installing elliptic suspension springs : en
  • DE662015C - Process for producing carbonless papers or forms for single copy : de en
  • DE662023C - Small switches, especially rotary switches or toggle switches : de en
  • US2121804A - Oxidized plunger and spring : en
  • US2122139A - Refining of metals : en
  • CH198477A - Composite drive belt for continuously variable V-belt drive. : de en
  • GB487901A - Improved means for applying labels to articles, particularly wrapped articles : en
  • GB487954A - Improvements in barbed wire applicable to fencing : en
  • CH198515A - Airspace-insulated electrical cables, in particular high-frequency cables. : de en
  • PL26695B1 - Coke oven with movable, hollow heating walls. : en pl