• DE725535C - Process for the preparation of tetrahydroisoquinoline compounds : de en
  • DE726248C - Arrangement of a disc brake in motor vehicle wheels : de en
  • DE725960C - Device for measuring the air resistance of respiratory protection filters : de en
  • DE726274C - Collection device for potato harvesters : de en
  • DE726277C - Method and device for cleaning paper machine screens : de en
  • US2298125A - Diagnostic aid : en
  • US2298062A - Fire protective system : en
  • US2298128A - Card file : en
  • US2298241A - Base plate for billet mold and the like : en
  • FR875865A - Radiant tube heaters : en fr
  • GR9987B - METHOD IN UNDERWATER LIGHT FISHING EQUIPMENT. : el en
  • GB548342A - Improvements in photographic film : en
  • US2298259A - Side door construction for dry ice service refrigerator cars : en
  • US2298194A - Birdproofing : en
  • US2297769A - Hydrogenation of alkyl aryl ketones : en
  • US2297716A - Method of producing alkyd resins : en
  • USD134012S - Design for a dkess : en
  • DE726022C - Multi-anode converter with vapor or gas discharge path and arc-like discharge : de en
  • GB548326A - Improvements in starting systems for electric motors : en
  • DE726099C - Device for the formation of a linear display of the measured value in weighing devices, in particular inclination scales, and other similar measuring devices : de en
  • DK60208C - Cable end closure. : da en
  • US2297722A - Treatment of styrene type compounds : en
  • US2297773A - Hydrocarbon conversion : en
  • US2298015A - Scrubber : en
  • CA407890A - Oil-bearing horizon penetration detecting method : en fr
  • US2298093A - Production of photographs in blueblack tones : en
  • DE726112C - Automatic electrical release device for loads that can be dropped by aircraft : de en
  • US2297845A - Stool attachment : en
  • US2297852A - Turbine cylinder construction : en
  • US2298153A - Vibrating screen : en
  • DE726105C - Procedure for converting an air-compressing self-ignition engine to operation with liquid gas such as butane, propane or vice versa : de en
  • DE726018C - Busbar arrangement in electrical distribution systems : de en
  • GB548414A - Improvements in and relating to airscrews : en
  • US2298105A - Control device for fluid power transmitters : en
  • CA407851A - Optical system : en fr
  • DE709889C - Self-acting depth spreading device for backward moving machine weapons : de en
  • CA407759A - Sound producing device : en fr
  • FR875973A - Switching device for reversible motors : en fr
  • US2298000A - Compass : en
  • AU115944B2 - Improvement in hatmaking apparatus and method of operating same : en
  • FR876000A - Method for preparing hydrazine : en fr
  • DE726081C - Process for the production of a pest repellent : de en
  • DE726185C - Device for point-by-point scanning of moving films and objects : de en
  • USD134023S - Jewelry pin or similar article : en
  • US2297877A - Swing bracket : en
  • CA407837A - Compressor apparatus : en fr
  • FR875979A - : fr
  • DE726074C - Small card for the production of pile ribbons : de en
  • US2297875A - Starting gate : en
  • DE726318C - Spark plug assembly for deflagration chambers, in particular of deflagration combustion turbines : de en
  • FR875900A - Water tube boiler : en fr
  • AU266041A - to Improvements in or relating tothe cleaning of producer gas andthe like : en
  • DE726280C - Control device for the additional air valve of high altitude breathing apparatus with lung-controlled oxygen supply : de en
  • AU188941A - An improved holder to facilitate the operation of removing wrinkles from sheep : en
  • DK60207C - Method and Apparatus for Insulating an Electrical Conductor. : da en
  • US2297723A - Treatment of styrene type compounds : en
  • US2298255A - Liquid explosive : en
  • FR51538E - Dentist separator device disc holder : en fr
  • DE1523702U - : de en
  • CA407842A - Shaving machine : en fr
  • DE726158C - Detachable coupling for traction and pressure means with guide sleeve, cables or the like. : de en
  • DE726082C - Process for the orthochromatic sensitization of silver halide emulsions : de en
  • DE726095C - Switching arrangement for extinguishing gas or vapor discharge paths with arc-like discharge : de en
  • FR51537E - Improvements to neutralized amplifiers, especially for ultra-short waves : en fr
  • FR875964A - Manufacturing process of austenic steel alloys, and their applications : en fr
  • GB548322A - Improvements in or relating to cutting tools : en
  • FR51547E - Device for photoelectric scanning of sound tracks recorded by the differential process : en fr
  • FR875808A - wet gas scrubber for gasifier : en fr
  • US2298181A - Electric therapeutic bandage : en
  • CA407780A - Surface cavity filling process : en fr
  • DE726106C - Piston internal combustion engine : de en
  • AU115917B2 - Die casting machine : en
  • CA407756A - Stocking : en fr
  • FR875814A - Improvements to small electric accumulators for flashlights : en fr
  • GB548405A - Electric circuit arrangements for reducing the variations in the starting potential of gaseous electric discharge devices : en
  • US2297811A - Production of nitriles : en
  • FR51523E - Plate brake for motor vehicles : en fr
  • FR875863A - Gasifier running on charcoal dust : en fr
  • US2297823A - Internal combustion engine : en
  • USD133996S - Lightphoof message dispatch box : en
  • DE726143C - DF antenna system : de en
  • DE726330C - Twin wheel : de en
  • US2297825A - Steak holder for broiling apparatus : en
  • AU307041A - Improved circuit arrangements for compensating for varying temperature coefficient of frequency in electrical circuits : en
  • US2297783A - Grate : en
  • US2298244A - Vertical file : en
  • US2297996A - Venetian blind : en
  • US2298188A - Motor control system : en
  • DE726210C - Arrangement of the steering clutches for caterpillar vehicles, consisting of multi-disc clutches : de en
  • GB548286A - Sewing machine lubricating means : en
  • DE726146C - Resistance arrangement for spark extinguishing circuits with capacitor : de en
  • FR875857A - New degreasing machine using volatile solvents : en fr
  • GB548446A - Improvements in or relating to devices for testing gears, particularly helical gears : en
  • US2298148A - Direction signal : en
  • FR875806A - Improvement in electrical contacts : en fr
  • GB548440A - Improvements in and relating to moulds for casting metals : en
  • US2298242A - Steam separator : en
  • US2297697A - Lasting machine : en
  • US2297940A - Electric discharge lamp : en
  • DE726308C - Truss pad with adjustable pressure pad : de en
  • GB548355A - A mechanism for producing a combined wavering and rotating movement : en
  • GB548371A - Improvements in and relating to blades for propellors or screws : en
  • US2297750A - Diamond-holding tool : en
  • DE726196C - Operating circuit for gas or metal vapor filled high voltage rectifiers : de en
  • DE726269C - Process for improving plastic masses : de en
  • DE726325C - Adjustment device for arranged on aircraft, depending on the position of the throttle lever inevitably actuated means to increase the lift : de en
  • GB548426A - Scorer for darts, billiards and similar games : en
  • US2298129A - Treatment of wells : en
  • US2298185A - Trolley frog control system : en
  • GB548300A - Improvements in or relating to the production of water-resistant size coatings or films : en
  • DE726079C - Arrangement for the stepless construction and reduction of the voltage of a Leonard generator : de en
  • US2297867A - Mixing machine : en
  • USD134020S - Design for a textile fabric : en
  • GB548369A - Improvements in or connected with force transmission mechanism for dynamometers : en
  • FR875936A - Periodically breaking contact device : en fr
  • CA407795A - Surface ornamenting machine : en fr
  • US2297891A - Fire alarm : en
  • US2298014A - Nut locking device : en
  • DE726209C - Rotating ring dome mount on aircraft fuselages : de en
  • FR875948A - Socket outlet : en fr
  • DE726233C - Device for measuring the total content of several pressure vessels : de en
  • FR875833A - Wood gasifier : en fr
  • US2297770A - Cotter pin : en
  • US2297946A - Carton liner for molded edibles and method of folding : en
  • DE726069C - Solder for soft soldering of aluminum : de en
  • US2297776A - Air-heating fireplace : en
  • US2297932A - Printing plate preparation : en
  • DE726096C - Device for vulcanizing endless V-belts made of rubber or the like. : de en
  • US2297969A - Baking oven : en
  • US2297994A - Douche : en
  • FR875954A - Device for controlling voltage distribution in windings subjected to impulse voltages : en fr
  • DE726183C - Automatic regulation of air heating, especially for railway vehicles : de en
  • DE726011C - Telecommunication circuit for telegraphy and telephony : de en
  • AU350041A - Die casting machine : en
  • US2297691A - Electrophotography : en
  • FR875809A - Advanced lead-acid accumulator with immobilized liquid : en fr
  • GB548347A - Improvements relating to photographic materials : en
  • CA407875A - Ignitron starter circuit : en fr
  • US2298172A - Electrical connector : en
  • FR875999A - Device for foot adjustment of a gas burner : en fr
  • DE726229C - Electrically internally heated hair curling rod for the permanent wave method : de en
  • FR51518E - Internal pressure cabin for high altitude aircraft : en fr
  • CA407764A - Paper clip : en fr
  • US2297685A - Method of preparing vegetable proteins : en
  • GB548301A - Signal collecting systems for radio receivers and the like : en
  • DE725134C - Float carburetor for internal combustion engines : de en
  • US2297717A - Piano action : en
  • US2298032A - Titanium solution production : en
  • US2298061A - Fire preventive system : en
  • DE726078C - Method for signaling foreign reflective bodies entering the propagation field of electrical waves : de en
  • GB548365A - Hard facing of metals : en
  • FR875886A - Acid resistant drum filters manufacturing process : en fr
  • GB548363A - Improvements in and relating to bearings or journals : en
  • AU265941A - Improvements in or relating togas producers : en
  • US2298238A - Remotely controlled register : en
  • DE726134C - Method and device for hardening steel in a gas muffle furnace : de en
  • DE726157C - Light metal pistons, especially aluminum pistons for internal combustion engines : de en
  • GB548361A - A method of and means for preserving and packing foodstuffs or other perishable substances in containers : en
  • GB548333A - Self-binder for loose leaves, letters, parts, periodical literature and the like : en
  • US2298091A - Solution of vanadium from vanadium oxide mixtures : en
  • US2298053A - Automatic circuit breaker : en
  • USPP547P - Carnation : en
  • US2298236A - Terminal bank : en
  • CA407882A - Insulating yarn or roving manufacture : en fr
  • FR875908A - Process for separating the finest particles from fine-grained materials, e.g. coal, in aisle washers : en fr
  • US2297908A - Cooling device : en
  • CA407903A - Production of optical isomers of acyl-b-alkyl choline salts and intermediates : en fr
  • FR51525E - New development in viscose manufacturing : en fr
  • DE726110C - Paper holder for photographic enlarging devices : de en
  • DE726237C - Wear testing machine : de en
  • US2297758A - Printing telegraph system : en
  • CA407877A - Textile fabric : en fr
  • FR875895A - Installation for changing wagons for large landing stages in mining galleries : en fr
  • GB548431A - Improvements in and relating to electric frequency meters : en
  • FR875914A - Heavily loaded soaps : en fr
  • DE1523724U - FACE PLATE FOR RAILWAY CAR DOORS MADE OF SHEET IRON : de en
  • FR875880A - Colorants for vat : en fr
  • US2298021A - Propeller : en
  • DE725735C - Process for the production of finely divided metal layers for mosaic raster photocells for charge storage : de en
  • GB548359A - Improvements in or relating to the manufacture of flexible materials, particularly for camouflage : en
  • US2298162A - Gelatinous sheets, films, and plastic masses : en
  • US2297987A - Carton : en
  • USD134002S - Design for a dress : en
  • GB548279A - Improvements in or relating to hydraulic braking systems : en
  • US2297746A - Process for the production of cellulosic structures : en
  • GB548354A - Improvements in and relating to dough dividers : en
  • GB548343A - Improvements in and relating to door opening and door checking devices : en
  • GB548352A - Chlorination of titanium bearing materials : en
  • US2297827A - Stone cutting and finishing machine : en
  • DE726221C - Compensation device for electrical measuring purposes with more than two decades : de en
  • DE726217C - Receiver with voting indicator : de en
  • DE726315C - Band body, especially for jewelry and watch bracelets : de en
  • GB548424A - Improvements in or relating to thermionic valve amplifiers : en
  • GB548437A - Improvements in surgical pads : en
  • AU115916B2 - Improvements in and connected with tractor attached implements : en
  • FR875848A - Improvements to the walls of a room in order to create an artificial climate : en fr
  • CA407894A - Egg carton : en fr
  • CA407807A - Roofing element : en fr
  • US2298134A - Ship propulsion system : en
  • US2297711A - Combination key and permutation lock : en
  • US2297740A - Voltage-regulating equipment for precipitators or the like : en
  • US2297880A - Fruit and vegetable juicer : en
  • US2298034A - Antenna system : en
  • US2298065A - Brake tester device for automobiles or like vehicles : en
  • CA407781A - Solder flux : en fr
  • US2297935A - Ventilated toilet : en
  • US2297679A - Pressure gauge : en
  • GB548425A - Improvements in or relating to magazines for firearms : en
  • US2297752A - Monitoring and control system : en
  • US2297958A - Loose-leaf construction : en
  • FR875972A - Relays of small dimensions insensitive to vibrations : en fr
  • US2297936A - Variable speed drive : en
  • GB548419A - Improvements in balancing arrangements for electricity supply in telegraph and other systems : en
  • US2297942A - Step valve for compressors : en
  • FR875830A - Heat treatment of nickel and molybdenum alloys : en fr
  • US2297967A - Baffled resealing trap for plumbing fixtures : en
  • FR875854A - Pavement reprofiling machine : en fr
  • US2297753A - Valve spring assembly : en
  • US2298081A - Apparatus for arranging musical compositions : en
  • US2298212A - Oil valve cleaner : en
  • DE726249C - Coupling piece for connecting a trailer to a bicycle : de en
  • DE726276C - Automatic lathe for bar material : de en
  • DE726291C - Safety device on vessels, especially feed water tanks : de en
  • US2297965A - Radiator cover : en
  • US2298202A - Listing calculator : en
  • US2297931A - Modulated high frequency transmitter : en
  • US2297985A - Floating roof : en
  • GB548382A - Improvements in or relating to toilet creams having cleansing properties : en
  • GB548331A - Improvements in duplicating machines : en
  • FR875925A - Electric stove-oven : en fr
  • US2297707A - Mechanical movement : en
  • US2297821A - Combustion control and safety alarm system : en
  • US2297828A - Coupling : en
  • US2298219A - Ignition system fob internal com : en
  • GB548302A - Improvements in mountings for guns, searchlights and similar directional elements : en
  • DE710918C - Shaft seal : de en
  • DE726007C - Heating wall for smoldering : de en
  • DE726015C - Process for the production of electrical cables or lines with powder-form insulating material between a jacket tube and a core consisting of one or more conductors : de en
  • US2297739A - Stereotype casting box : en
  • US2298101A - Method of making rubber nasal masks : en
  • US2298225A - Permanent magnet material and production thereof : en
  • US2297863A - Railway truck : en
  • US2298020A - Seismic surveying : en
  • FR875856A - Process for the treatment of porous charcoals such as charcoal, new industrial products obtained, and improvements to coal gasifiers : en fr
  • GB548287A - Improvements in locking devices for aircraft undercarriages and like uses : en
  • CA407857A - Hose connection : en fr
  • FR875831A - Improvements to silo unloading devices, etc. : en fr
  • FR51524E - Method and device for reproducing a television picture using a cathode ray tube and a separate light source : en fr
  • FR875882A - Machine operating with pressurized liquid : en fr
  • GB548325A - Preparation of improved vitaminous products : en
  • GB548417A - Improvements in or relating to gun mountings : en
  • DE700829C - Fire prevention system for mills and crushers : de en
  • AU115910B2 - Improved holders for luminous tubes : en
  • US2298253A - Valve : en
  • CA407814A - Electrical braking system for diesel vehicles : en fr
  • DE726044C - Arrangement for achieving a voltage that is frequency-independent in a wide range at the capacitive consumer of a noise receiver : de en
  • FR875897A - Amphibious motor vehicle : en fr
  • GB548386A - Improvements in or relating to retractable undercarriages for aircraft : en
  • DE726331C - Wheel for devices and machines : de en
  • USD134035S - Design for a pin clip : en
  • US2298009A - Coin chute deflector : en
  • USD133970S - Milling machine : en
  • GB548304A - Improvements in or relating to shell fuzes : en
  • DE723514C - High-frequency device with tactile detent position for predetermined tuning positions : de en
  • DE726004C - Process for extracting smoldering : de en
  • AU55641A - Improvements in or relating to milling, engraving and like copying machines : en
  • CA407829A - Brake control means : en fr
  • GB548336A - An improved method of and apparatus for the heat treatment of rubber and other plastics and other materials which are relatively poor conductors : en
  • AU346441A - Improvements in and connected with tractor attached implements : en
  • CA407787A - Railway car brake : en fr
  • AU115929B2 - Improved concrete mixer : en
  • US2298022A - Adjustable end play motor : en
  • US2298145A - Lifting grapple : en
  • CA407811A - Cathode ray tube : en fr
  • US2297727A - Diver toy : en
  • US2298205A - Telephone system : en
  • FR875977A - High pressure arc valve, with ignition screens arranged in pairs : en fr
  • US2298234A - Switching apparatus : en
  • CA407833A - Electron emissive cathode : en fr
  • CA407897A - Train pipe connector : en fr
  • FR875918A - Foot guards, clogs, soles, etc. metal frame : en fr
  • US2297706A - Temperature controller : en
  • US2297794A - Communication system : en
  • FR875827A - Fuel for internal combustion engines : en fr
  • GB548412A - Improvements in or relating to the windings of electrical machines having commutators : en
  • US2297678A - Pressure gauge : en
  • US2297742A - Blocking tube oscillator for television : en
  • US2297983A - Method of making detachable bits for rock drills : en
  • US2298010A - Marine artificial horizon : en
  • CA407808A - Infra-red sensitivity increasing method : en fr
  • US2298133A - Synchronous motor starting scheme : en
  • USD134001S - Design for a wallet : en
  • US2297903A - Garment carrying frame for luggage cases : en
  • US2297724A - Treatment of styrene type compounds : en
  • US2298030A - Photovoltaic cell : en
  • GB548330A - Improvements in or relating to the bonding of metals : en
  • GB548370A - Improvements in or relating to frequency modulation : en
  • USD134011S - Design foe a scarf or similar article : en
  • DE726062C - Control shaft magneto for internal combustion engines : de en
  • DE726122C - Method and device for producing threads from inorganic masses that are plastic in the heat, in particular glass : de en
  • GB548421A - Television broadcast system : en
  • US2298220A - Telegraph signal regenerator : en
  • CA407830A - Circuit interrupter : en fr
  • US2297919A - Holder for cigarettes or like articles : en
  • US2298262A - Toy : en
  • US2297680A - Control of electrical devices from liquid levels : en
  • US2297874A - Protective helmet : en
  • US2298180A - Control system : en
  • FR875968A - Contact control of contact converters : en fr
  • USD134008S - Design fob a coat : en
  • GB548327A - Improvements relating to apparatus for transporting hot foods : en
  • US2297729A - Screen frame : en
  • US2297814A - Refrigerator : en
  • DE726021C - Discharge tubes according to patent 690019, whose vacuum vessel consists entirely or largely of metal and whose electrode system, whose axis is arranged parallel to the base plate, is supported by laterally arranged sheet metal supports which are perpendicular to the base plate and attached to it : de en
  • FR875859A - Gas purification generator device for supplying internal combustion engines : en fr
  • DE726216C - Impulse direction finder : de en
  • DE726219C - Magnetic electric small machine, especially for bicycles or the like. : de en
  • DE726261C - Feed-through capacitor : de en
  • DE726120C - Power foot switch for trolleybuses : de en
  • GB548444A - Improvements in and relating to gas blast electric circuit breakers : en
  • FR51545E - Secondary electron amplifier : en fr
  • FR875935A - Sheath for matchboxes : en fr
  • FR875952A - Process for the preparation of 6- (p-amino-benzene-sulfonyl) -amino-2.4-dimethyl-pyrimidine : en fr
  • DK60215C - Weight Balance with Weighing Plan and with Brake to Cushion the Balance Fluctuations. : da en
  • FR875846A - Elastic wheel : en fr
  • DE726147C - Damping device for hydraulic actuation devices, electrical high-voltage switches : de en
  • FR51532E - Injection pump for fuels or other liquids : en fr
  • GB548395A - Improvements relating to float-operated valves feeding water to tanks and cisterns : en
  • FR875818A - Water heater for apartment fireplace : en fr
  • US2297735A - Hair clipper : en
  • US2298089A - Christmas tree decoration : en
  • US2298177A - Electric filter circuit : en
  • FR51521E - Electric boiler for all heaters : en fr
  • US2297997A - Drive mechanism for clothes wringers : en
  • CA407904A - Circular weaving loom : en fr
  • CA407782A - Solder flux : en fr
  • US2298193A - Refrigerator car construction : en
  • US2297896A - Wide band electromagnetic horn antenna : en
  • US2298052A - Refrigerator : en
  • AU353841A - Improvements in and relating to door structures : en
  • FR51549E - gasifier scrubber : en fr
  • GB548379A - Improvements in or relating to abrasive coated paper and process of producing the same : en
  • DE726066C - Process for pickling and bichromating magnesium-bismuth alloys : de en
  • US2297743A - Paper feeding device : en
  • FR51534E - Automatic voltage adjustment device with simultaneous current adjustment by means of a common regulator : en fr
  • USD134025S - Design for a jewelry pin or similar article : en
  • US2297676A - Ignition controlling device foe : en
  • US2298217A - Support for curtain cranes : en
  • US2297840A - Tank construction : en
  • US2297848A - Circuit interrupter : en
  • USD133995S - Design for a photographic timer : en
  • USD134010S - Combined mechanical pencil and knife : en
  • US2297698A - Treating bibulous paper : en
  • AU115919B2 - Improvements in and relating to paint andthe manufacture thereof : en
  • DE726144C - Radio direction finder for optical display of the DF minimum or maximum : de en
  • US2297686A - Chromium-vanadium-iron alloy cutting tool : en
  • FR875998A - Lawn mower : en fr
  • AU115905B2 - Decorticating machine : en
  • CA407774A - Printing mechanism : en fr
  • DE726129C - Device for illuminating and sterilizing beer transport barrels : de en
  • DE726020C - Electric drive with controllable coupling for conveyor reel or the like. : de en
  • CA407884A - Electron discharge device : en fr
  • FR875832A - Improvement in gasifiers for mineral coals : en fr
  • FR875912A - Dental prosthesis apparatus and method : en fr
  • FR875955A - Amplifier tube for ultra-high frequencies : en fr
  • US2297689A - Separation of feldspar from quartz : en
  • US2298035A - Shoe counter : en
  • FR875903A - Gear shift mechanism for motor vehicles : en fr
  • US2297928A - Air conditioning unit : en
  • US2298251A - Wallboard mounting : en
  • USD134006S - Design for a dress : en
  • GB548284A - Improvements in baby's pacifiers : en
  • DE726059C - Fertilizer spreading device with an open conveyor belt that can be wound around a rear roller : de en
  • GB548324A - Improvements in and relating to electric hand torches : en
  • US2297826A - Tooth brush and powder holder : en
  • DE725986C - Protective cover for basic clamps of permanent wave devices : de en
  • GB548291A - A steam and/or air reverse for engines : en
  • DE726027C - Idle control device for compressor : de en
  • US2298249A - Apparatus for making finned tubes : en
  • CA407888A - Hat making machine : en fr
  • FR875928A - Monocoque body : en fr
  • US2298186A - Ester : en
  • US2297992A - Adjustable low-bed vehicle : en
  • DE726307C - Process for producing a spinnable fiber : de en
  • US2297747A - Process and apparatus for reducing ores : en
  • US2297966A - Insertable joint : en
  • US2298196A - Load transporting, slewing, and tiering device : en
  • US2297779A - Resistor construction : en
  • US2298074A - Manufacture of concrete building blocks : en
  • US2298174A - Elevator control system : en
  • CA407872A - Electrical discharge device : en fr
  • FR875840A - Engine spark plug improvements : en fr
  • US2297755A - Portable electric drain-pipe cleaner : en
  • US2297806A - Magnetic holder for pencils or the like : en
  • US2298206A - Can opener : en
  • USD134031S - Design for a pin clip : en
  • US2297775A - Hydrocarbon conversion : en
  • US2298120A - Speed matching regulator : en
  • US2297719A - Control circuit : en
  • US2297861A - Adjustably supported splint : en
  • US2297930A - Vibratory armature electromagnetic motor : en
  • US2298082A - Back rest carriage for lathes : en
  • US2298135A - Rotary reel electric lawn mower : en
  • CA407800A - Electric cable : en fr
  • DE726086C - Device for monitoring the position of the coke pushing machine, coke cake guide car and coke extinguishing car in horizontal chamber furnace batteries : de en
  • US2298211A - Condenser bushing : en
  • US2298115A - Cable clamp and tightener : en
  • US2297834A - Spring motor : en
  • US2297888A - Price tag indicator : en
  • CA407822A - Ultra-violet discharge lamp : en fr
  • USRE22198E - Method and arrangement for trans : en
  • CA407898A - Spalling resistant refractory : en fr
  • DE726189C - Screw slot clamp for electrical cables with cable entry slots closed at the top and bottom and an I-shaped floor bar serving as a cable support : de en
  • FR875870A - Hydrocarbon cracking process : en fr
  • FR875892A - Turbine improvements : en fr
  • US2297830A - Condensation drain for explosionproof fittings : en
  • US2297889A - Stepwise tuning of electrical circuits : en
  • US2298201A - Listing calculator : en
  • US2297962A - Canning method : en
  • FR875981A - Extendable cultivator : en fr
  • US2297745A - Grave box cover : en
  • US2297687A - Alloy and cutting tool : en
  • US2297751A - Sweetening hydrocarbon distillates : en
  • DE726316C - Potato harvesting device attached to a tractor : de en
  • DE726265C - Flat weft knitting machine : de en
  • FR875994A - Manufacturing process of clad tubes, in particular copper clad steel tubes : en fr
  • US2297709A - Hot-melt coating composition comprising cellulose ethers : en
  • FR875950A - Method for the magnetic analysis of mixtures of substances, in particular gas mixtures : en fr
  • FR875850A - Double seat valve for steam engines and other applications : en fr
  • FR875904A - Tube closure : en fr
  • AU234841A - Improvements in the treatment of oil shales and the like : en
  • CA407797A - Welding equipment : en fr
  • US2297948A - Apparatus for making sectional blanks : en
  • US2298033A - Nonmetallic tire : en
  • CA407906A - Fabric printing process : en fr
  • US2297978A - Means for forming curbs : en
  • US2297866A - Treatment of hydrocarbon oil : en
  • DE726140C - Circuit arrangement for producing a negative capacitance or a negative inductance : de en
  • FR875953A - Blocking layer cell comprising one or more grids : en fr
  • USD133986S - Design fok a lighting fixture : en
  • US2298245A - Garter waist : en
  • US2298076A - Electric dynamometer : en
  • FR875984A - Telautographic device : en fr
  • GB548403A - New building unit for covering framed buildings and partitions, and capable of independent construction : en
  • DE726055C - Control for crane trolleys, especially trolleys : de en
  • FR875992A - Radially split thrust bearing : en fr
  • GB548282A - Improvements in or relating to turbines : en
  • GB548411A - Improvements in or relating to photographic materials : en
  • CA407876A - Catalyst for hydrogen production : en fr
  • DE690423C - Mills with a viewing device attached to the grinding chamber : de en
  • US2298086A - Toracco weighing scale : en
  • CA407778A - Automobile device for snow and mud : en fr
  • CA407825A - Insulating material : en fr
  • US2297947A - Cartridge for air guns : en
  • FR51507E - Improvements to circular looms : en fr
  • US2298106A - Hydraulic driven air pump : en
  • GB548392A - Gas-filled electric discharge device : en
  • AU115908B2 - Improvements in or relating togas producers : en
  • US2297897A - Governor for internal combustion engines : en
  • DE726001C - Device to prevent the overloading of a gas pipe : de en
  • FR875813A - Economical process for the agglomeration of waste from all solid fuels : en fr
  • CA407823A - Electrode support : en fr
  • AU150841A - Improvements in cathode ray tubes : en
  • CA407820A - Circuit breaker contact means : en fr
  • US2298072A - Inclinometer : en
  • US2298146A - Ash tray : en
  • US2298151A - Switching apparatus : en
  • US2298184A - Building and floor foundation : en
  • AU306041A - Improvements in and relating to retaining catches for sliding windows : en
  • US2297860A - Garment protector : en
  • US2297955A - Combination belt : en
  • US2297725A - Bathythermograph : en
  • US2297843A - Bait bucket : en
  • US2297927A - Tripod, particularly applicable to photographic cameras : en
  • USD133994S - Design for a toy airplane or similar article : en
  • US2297841A - Time-delayed control mechanism : en
  • US2297857A - Faucet : en
  • US2297881A - Method of and means for removing drawstrings from lace webs : en
  • GB548274A - Improved manufacture of sheet metal containers : en
  • DE726320C - Valve body with hollow spindle and hollow disk head for high valve accelerations and decelerations : de en
  • GB548353A - Improvements relating to the formation of reflecting surfaces on glass : en
  • US2297818A - Circuit interrupter : en
  • USD133976S - Design for a lapel pin ob the like : en
  • US2297906A - Photographic developing device : en
  • US2298223A - Method and apparatus for manufacturing pottery ware : en
  • CA407758A - Incandescent lamp : en fr
  • DE726042C - Amplifier circuit with simultaneous current and voltage negative feedback : de en
  • US2298117A - Quick coupler for tubing : en
  • US2297878A - Method of making hardened composite articles : en
  • US2297842A - Container and seal therefor : en
  • DE726061C - Fuel injection pump for compressorless diesel engines : de en
  • DE726098C - Platinum alloy : de en
  • USD133980S - Design for a picture frame : en
  • CA407846A - Oil well treatment : en fr
  • CA407883A - Power transmission : en fr
  • FR875937A - Device for supporting the mobile tobacco roll in cigarette making machines : en fr
  • DE726028C - Sound absorbers, especially for compressors and fans : de en
  • US2298156A - Manufacture of brushes : en
  • US2298192A - Thermistor circuit : en
  • USD133991S - Design for a leg for a stretcher : en
  • US2298208A - Electric switch : en
  • US2298113A - Lightweight electric iron : en
  • US2297805A - Ravel stop for knitted fabrics and method of making the same : en
  • USRE22196E - Catalytic conversion process : en
  • AU308441A - Improved passenger propelled wheel chair : en
  • CA407810A - Photographic emulsion : en fr
  • CA407835A - Motor delayed start connection : en fr
  • CA407809A - Photographic emulsion : en fr
  • CA407788A - Railway four wheel truck : en fr
  • US2298080A - Lubricating oil for diesel engines : en
  • US2297939A - Method of detecting the penetration of an oil-bearing horizon : en
  • US2297884A - Gearshift lever handle construction : en
  • CA407889A - Shipping case : en fr
  • DE696762C - Process for regulating company sizes : de en
  • AU309141A - Phonograph record reproducing system : en
  • US2298257A - Control method and apparatus : en
  • US2297737A - Sheet-glass forming apparatus : en
  • DK60218C - Co-string and Procedure for its Manufacture. : da en
  • US2298224A - Auxiliary lighting device for runway marker lights : en
  • US2297766A - Anode production : en
  • US2298058A - Light-polarizing device : en
  • US2297950A - Filament mounting machine : en
  • US2298152A - Decorative memento : en
  • US2297902A - Mechanical locking device for pistons and the like : en
  • US2298025A - Artificial limb : en
  • US2298040A - Fluid foil : en
  • US2297701A - Process of dyeing animal fibers : en
  • US2298011A - Antifriction screw device : en
  • CA407836A - Brake control means : en fr
  • USD134016S - Design for a camera support : en
  • US2297839A - Dewaxing solvent and solvent recovery : en
  • US2298246A - Machine for attaching articles : en
  • US2297720A - Foil applying apparatus for bottles : en
  • US2298213A - Cylinder head : en
  • US2297986A - Method of scouring wool : en
  • GB548367A - Improvements in or connected with the construction of metal boats : en
  • DK60201C - Apparatus for closing a gas tap or turning on an electric circuit breaker at a predetermined time. : da en
  • US2297870A - Skate : en
  • US2298235A - Circuit breaker operation recorder : en
  • CA407826A - Electric switch : en fr
  • GB548323A - Means for indicating whether a seat in a vehicle, building or the like is occupied or not : en
  • GB548356A - Manufacture of polymeric materials : en
  • US2298190A - Suppression of cross talk : en
  • US2297968A - Timing device for conveyers : en
  • US2298059A - Color correction filter employing light-polarizing material : en
  • US2298243A - Magnetic separator : en
  • FR875910A - Bi-metallic contact thermometer : en fr
  • US2297807A - Fingernail bonnet : en
  • DE726155C - Support bracket for curtains, drapes or the like. : de en
  • US2298079A - Coating for metals exposed to corrosion and abrasion : en
  • GB548280A - Improvements in and relating to the production of cellulose : en
  • US2298024A - Envelope opener : en
  • FR875963A - Process for purifying air of gaseous impurities : en fr
  • GB548409A - Improvements in or relating to the manufacture of power transmission and like belts : en
  • GB548399A - Improvements in and relating to riveted or like joints in brittle materials : en
  • CA407794A - Welding equipment : en fr
  • DE726108C - Turning device for engines : de en
  • US2298159A - Preparation of fresh meats : en
  • US2297731A - Processes for rendering textiles water repellent : en
  • DE726251C - Filling holder with a suction piston on a tubular, threaded piston rod : de en
  • AU304641A - Frequency modulation system : en
  • USD133977S - Alfred engine stand : en
  • GB548299A - Electrical frequency filter arrangement : en
  • AU205141A - Improved starting appliance for producer gas apparatus : en
  • US2297759A - Jumping toy : en
  • US2297879A - Rail flaw detector mechanism : en
  • DE726085C - Device for adjusting the rolling stock inlets and outlets : de en
  • DE726094C - Gas or vapor-filled electrical discharge vessel : de en
  • DE726267C - Base for pots to be heated on gas, alcohol and other cooking devices : de en
  • CA407761A - Engine piston : en fr
  • CA407768A - Roller screen for windows : en fr
  • CA407899A - Extensible cord : en fr
  • US2298067A - Apparatus for burnishing shoulders of collapsible tubes : en
  • US2298233A - Valve mechanism : en
  • GB548348A - A new or improved foldable bicycle : en
  • FR875874A - Knife comprising recesses made on one or both sides of the blade : en fr
  • FR875966A - Clutch device for gear changes with friction clutches conjugated, in pairs, with the gears : en fr
  • DE726257C - Arrangement for writing receivers with automatic starting and delayed stopping of the strip : de en
  • FR875890A - Small refrigeration appliance : en fr
  • FR875896A - Handle for handling butter baskets : en fr
  • DE726093C - Glow detector : de en
  • FR875971A - Corpuscular ray microscope equipped with at least two magnifying lenses : en fr
  • FR875982A - Tool frame for horticultural instruments : en fr
  • FR875926A - Hot peeling process for steel ingots : en fr
  • US2298070A - Voting machine : en
  • DE725843C - Process for the production of clumps of 2-cyano-4-acetylglutaric acid : de en
  • FR875829A - Improvements to armature windings of commutator machines : en fr
  • US2297904A - Propagation : en
  • US2297921A - Cyclic acetals : en
  • US2297963A - Automatic take-up device : en
  • US2298137A - Motor thermostat : en
  • DE726303C - Arrangement for generating periodically repeating current pulses in the same direction from alternating current : de en
  • US2297887A - Molding : en
  • US2298048A - Puzzle : en
  • DK60220C - PROCEDURE FOR MANUFACTURE OF ARTICLES OF POWDER OF METAL OR HAIR ALLOY. : da en
  • AU115937B2 - Improvements in and relating to door structures : en
  • CA407871A - Electrical discharge device : en fr
  • FR875821A - Fuel for diesel engines : en fr
  • FR875868A - Bicycle : en fr
  • FR875920A - Automatic device for changing the braking speed (drained load), especially for westinghouse brakes with additional brake cylinder for braking a loaded vehicle : en fr
  • FR51510E - Process of integral food use by wine of the vitamin qualities of its yeast : en fr
  • US2298004A - Container manufacture : en
  • CA407855A - Matted glass wool making apparatus : en fr
  • CA407796A - Surface ornamenting machine : en fr
  • US2298256A - Hay stacker : en
  • CA407878A - Shock absorber : en fr
  • US2298064A - Chemical manufacture : en
  • US2298124A - Ultra violet ray liquid sterilizer : en
  • CA407813A - Starting control for synchronous motors : en fr
  • DE726084C - Device for remote transmission of measured quantities according to the compensation method using a photoelectric cell : de en
  • FR875862A - Improvements to electric resistance welding machines : en fr
  • DE726222C - Detachable attachment for ceiling canopies, shell holders, pipe sections and reflectors on a pendulum tube : de en
  • FR51512E - Improvements in the construction of aircraft wings : en fr
  • FR875828A - Process for manufacturing fat in blocks or bars : en fr
  • GB548320A - Improvements in nozzles for concrete projection apparatus : en
  • GB548443A - Improvements in television and like transmission : en
  • DE726163C - Espagnolette lock : de en
  • FR875947A - Process for preparing aluminum compounds from coal products containing this element : en fr
  • US2297756A - Dredging apparatus : en
  • DE726058C - Device for measuring grooved shafts and bores during machining with a device to prevent the probes from falling into the grooves : de en
  • DE726193C - Self-starting synchronous motor : de en
  • US2298012A - Transmission operating means : en
  • US2298027A - Coal breaking mechanism : en
  • US2297802A - Insulated holder and tightener for wire fences : en
  • US2297819A - Circuit selecting switch : en
  • US2298250A - Method of making finned tubes : en
  • USD134018S - Design for a textile fabric : en
  • US2297757A - Draft regulator or control : en
  • DE726190C - Multiphase power generator of the inductor type, especially for charging vehicle batteries via rectifiers : de en
  • GB548289A - Improvements in or relating to collapsible boxes, cases and the like : en
  • US2298228A - Terrazzo grinder : en
  • US2297951A - Deicing device : en
  • US2298160A - Portable mixing plant : en
  • US2297838A - Indicating device for electric clocks : en
  • USD134005S - Design fob a dress : en
  • US2297761A - Refrigeration : en
  • US2298119A - Connector device : en
  • CA407881A - Louvre window : en fr
  • US2298112A - Regulator : en
  • DE697146C - Rotary field motor with outer cage : de en
  • DE726220C - Arrangement for triggering a one-off time deflection in electron beam oscilloscopes : de en
  • AU115907B2 - Improvements in the treatment of oil shales and the like : en
  • DE726116C - Installation device for ship hatch cover : de en
  • FR875898A - Cutting unit for dry razor : en fr
  • US2298229A - Transformer signaling and tripping : en
  • US2298164A - Control system : en
  • DE725278C - Process for the preparation of partially hydrogenated cyclic compounds having 3 or more carbon rings by ring closure reaction : de en
  • DE725748C - Process for the preparation of dyes of the anthraquinone series : de en
  • GB548445A - Improvements relating to electromagnetic relays : en
  • DE726326C - Arrangement of rigid, automatic firearms in aircraft wings : de en
  • FR875853A - Device for automatically carrying out the engraving or the line allowing the subsequent engraving of all surfaces: cylindrical, flat or other from any document: line, halftones, or polychrome : en fr
  • DE725990C - Process for the electrolytic production of high-gloss, hydrogen-free nickel coatings : de en
  • US2297980A - Folding vise stand : en
  • FR51508E - Improvements to "thermovelocimetric" devices usable as fire alarms : en fr
  • CA407869A - Television apparatus : en fr
  • USD134009S - Design for a coat : en
  • US2297909A - Method of lubrication and of treating gears : en
  • US2297943A - Air-cushioned valve for compressors : en
  • USD134034S - Design for a pin clip : en
  • DE726049C - Converter with mercury vapor filling : de en
  • DE726227C - Process for the production of carboxylic acid chlorides and carboxylic acids : de en
  • CA407765A - Torque converter : en fr
  • DE726162C - Locking bolt for double-leaf gates : de en
  • CA407762A - Fertilizer spreader : en fr
  • US2297846A - Method of and apparatus for producing stereograms : en
  • USD134000S - Design for a coat : en
  • CA407901A - Railway vehicle truck : en fr
  • US2297704A - Fluid system : en
  • US2298187A - Baking powder composition : en
  • DE726259C - Transformer for push-pull B-amplifier : de en
  • CA407792A - Hydraulically operated valve : en fr
  • DE726000C - Self-tightening clamping device : de en
  • DE726036C - Lubricating device for the compressor driven by the internal combustion engine of motor vehicles : de en
  • DE726052C - Device for generating very weak treatment currents with variable direct and alternating currents : de en
  • FR875852A - Method and devices for operating acetylene internal combustion engines for motor vehicles and other applications : en fr
  • AU115947B2 - Improvements in or relating to shoe trimming machines : en
  • CA407885A - Electrical contact protection : en fr
  • US2297949A - Deflecting system : en
  • US2298071A - Stiffened fabric : en
  • AU115915B2 - Improved core lifter for diamond drills : en
  • CA407801A - Circuit breaker : en fr
  • FR875802A - Method and device for the manufacture of concrete piles or the like for foundations : en fr
  • FR875888A - Method and machine for automatically obtaining notebooks formed from sheets engaged in one another : en fr
  • DE726087C - Device for the automatic control of the supply or the withdrawal of liquid from containers, in particular for the control of feed devices of steam boilers : de en
  • GB548362A - Improvements relating to electric warning lights : en
  • CA407886A - Contact spring manufacture : en fr
  • DE726231C - Collapsible container for drawings and other sheet-like objects : de en
  • GB548372A - Improvements in adjustable boring and reaming tools for lathes, boring and drilling machines : en
  • FR875962A - Arc rectifier with electrodes in the gas stream : en fr
  • US2297738A - Lamp holder : en
  • DE726135C - Plant for the quenching of pipes and hollow bodies : de en
  • FR875915A - Mechanically operated cutting device for stacked veneer and linoleum sheets : en fr
  • GB548218A - Improvements in or relating to aerial tuning systems : en
  • US2298057A - Mold structure : en
  • US2298092A - Phase modulation : en
  • US2298247A - Combined tie clip and pencil : en
  • FR875819A - Paper finishing : en fr
  • DE726165C - Flagpole holder to be attached to walls : de en
  • FR875945A - Improvements to tent frames and the like : en fr
  • GB548309A - An improved method and apparatus for regulating an installation comprising at least two steam generators : en
  • FR51511E - Improvements to signal repeater devices on board railway convoys : en fr
  • US2298083A - Control circuits : en
  • US2297754A - Method of locating strata in wells and electrode apparatus therefor : en
  • US2298157A - Massaging device : en
  • DK60202C - Procedure for the Preparation of Compounds of the Diphenylethane Series. : da en
  • GB548432A - Improvements in or relating to machines employed in screwcutting operations : en
  • GB548345A - Improvements in or relating to means for reducing the induced voltage when an inductive circuit is interrupted : en
  • FR875988A - Fittings device for removable bed allowing quick and easy assembly and disassembly of the uprights (head and foot) to the bed frame : en fr
  • DE726025C - Device for automatic regulation of the coolant circulation in mercury vapor discharge vessels : de en
  • US2298203A - Rivet : en
  • US2297832A - Extraction and treatment of volatile liquid hydrocarbons : en
  • DE726121C - Channel for accommodating electrical cables in aircraft : de en
  • DE726128C - Liquid fuel evaporator : de en
  • GB548275A - Improvements in and relating to the case hardening of iron and steel : en
  • USD133971S - Design for a display unit : en
  • DE726068C - Grooving and parting device for revolver swivel arm : de en
  • FR875894A - Reverse combustion gasifier generator : en fr
  • US2297700A - Sifting apparatus : en
  • CA407771A - Water column : en fr
  • CA407775A - Coating method and product : en fr
  • USRE22197E - Zzxot : en
  • US2297820A - Foldable top structure for motor vehicles : en
  • US2297894A - Coal mining machine : en
  • US2298100A - Signaling system and control therefor : en
  • DE726091C - Method for reducing the feedback in high frequency intermediate amplifiers in power lines : de en
  • USD134019S - Design fob a textile fabric : en
  • US2297836A - Automatic temperature regulation : en
  • DE723561C - Device for the protection of liquid-insulated electrical apparatus : de en
  • US2297961A - Cash register : en
  • DE726057C - Ring gauge for the machining of materials with relatively large thermal expansion : de en
  • FR875990A - Pickling solutions for the surface treatment of parts prepared from magnesium alloy : en fr
  • FR875976A - Guide for machine tool cart : en fr
  • CA407848A - Oil well treatment : en fr
  • CA407841A - Fire extinguishing apparatus : en fr
  • DE726034C - Control device for fuel injection pumps : de en
  • CA407892A - Printing press feeding device : en fr
  • US2297710A - Slicing machine : en
  • DE726215C - Device for the semi-automatic checking of group and line dialers with step-by-step operation in self-connecting telephone systems : de en
  • US2298045A - Optical compensating device : en
  • FR51520E - Tin can : en fr
  • US2297858A - Fabric centering device : en
  • FR875847A - Method and installation for the production of combustible gas, in particular for supplying engines and new product thus used : en fr
  • AU115927B2 - Improved starting appliance for producer gas apparatus : en
  • FR875884A - Automatic device for feeding duplicating machines intended to carry out accounting reports : en fr
  • US2298111A - Elevator control system : en
  • US2298226A - Floor covering : en
  • DE726118C - Gas nozzle for gas pressure charger : de en
  • DE726242C - Internal combustion engine for aircraft using the energy and waste heat of the exhaust gases : de en
  • DE726145C - Arrangement for double contact springs of electric toggle switches : de en
  • AU115945B2 - Apparatus for the production and purification of gas for use in internal combustion engines : en
  • US2298042A - Flashlight : en
  • DE726244C - Oxygen breathing apparatus : de en
  • DE726324C - Body hit by a high relative speed, in particular an aircraft component : de en
  • AU115972B2 - Packaging : en
  • AU189141A - Improvements in postal franking and like machines : en
  • US2297804A - Material reducing mill : en
  • US2297990A - Testing greaseproof paper : en
  • DE725536C - Process for the preparation of tetrahydroisoquinoline compounds : de en
  • GB548375A - Improvements relating to the treatment of oils with selective solvents : en
  • DE1523748U - : de en
  • US2297876A - Controller mechanism for general purposes : en
  • US2298216A - Weight indicator for rotary drilling : en
  • USD134021S - Design fob a jewelry pin : en
  • USD133993S - Design fob a scale : en
  • US2297714A - Combing and massage device : en
  • US2297699A - Surface cutting tool : en
  • US2297862A - Switch box : en
  • US2297847A - Article separating mechanism : en
  • US2298200A - Hoist control mechanism : en
  • GB548439A - Improvements relating to triangulated frameworks and their application to the construction of bridges and the like : en
  • US2298155A - Electric drive for sewing machines : en
  • DE726205C - Process for cleaning used machine parts made of light metal : de en
  • FR875987A - Surgical sewing thread sterilization process : en fr
  • DE726268C - Suspension device for balls of fabric : de en
  • FR875927A - Device for stacking sheets separated from a large strip of paper by a transverse cutter : en fr
  • DE726092C - Pipe clamp, especially for stranded aluminum cables : de en
  • DE726208C - Safety stirrups serving as slip protection for pulleys of aircraft : de en
  • FR875989A - Wind compensator for firing stations mounted on airplanes, in particular for stations with limited aiming travel : en fr
  • GB548337A - Improvements in photo-sensitive electrodes : en
  • GB548397A - Improvements in the manufacture of hydrogen : en
  • CA407879A - Telegraph transmitter : en fr
  • US2297972A - Sound reproducing device : en
  • CA407763A - Window regulator : en fr
  • CA407816A - Hosiery machine drive : en fr
  • US2297702A - Process of treating animal fibers : en
  • US2297733A - Manufacture of trinitrotoluene of high purity : en
  • DK60214C - Blind. : da en
  • GB548423A - Improvements in and relating to apparatus for joining pieces of yarn : en
  • FR875838A - Glue for all applications, its manufacturing process and products coated with this glue : en fr
  • US2297953A - Honing machine : en
  • FR51514E - Continuously operating press for the production of agglomerates from vegetable waste and the like : en fr
  • DE726012C - Arrangement for dividing a common transmission path into three mutually decoupled separate paths : de en
  • FR875826A - Matrix manufacturing process : en fr
  • DE726178C - Automatic hardening device for conical knife blades, especially table knife blades : de en
  • GB548281A - Improved method and apparatus for the production of finely-divided solid particles : en
  • AU115906B2 - Improvements in cathode ray tubes : en
  • CA407803A - Circuit breaker : en fr
  • DE726076C - Process for the production of tanning agents from sulphite cellulose waste liquors : de en
  • DE726154C - Process for the preparation of disazo dyes : de en
  • GR9989B - SIDE SEEDS. : el en
  • US2297781A - Lamp structure : en
  • US2297993A - Target device : en
  • FR875825A - Lined corrugated board making apparatus : en fr
  • FR875991A - Surface protection of magnesium alloys : en fr
  • GB548398A - Improvements in the manufacture of hydrogen : en
  • GB548438A - Improvements in and relating to operating mechanism for circuit breakers : en
  • DE726253C - Process for improving the baking quality of flours : de en
  • US2298195A - Thermostat : en
  • USD133972S - Design fob a suitcase ob the like : en
  • USD134014S - Design fob a dress : en
  • CA407827A - Synchronous motor control system : en fr
  • DE726114C - Retractable vehicle roof : de en
  • US2297741A - Battery cover mold : en
  • USD134004S - Design fob a dress : en
  • USD134007S - Design for a dress : en
  • US2297984A - Cosmetic case : en
  • DE726075C - Method and device for drying running textile threads : de en
  • DE726123C - Sound absorbing plate : de en
  • FR51509E - Trailer for motor cars with one or two automatically steerable wheels : en fr
  • FR875843A - Improvements made to the electric operation of winches, in particular for lifting trawls : en fr
  • FR875887A - Method and device for the production of magnesium : en fr
  • FR875931A - Pressure fluid servo control unit for hydraulic vehicle brakes : en fr
  • FR875876A - Motor vehicle of aerodynamic exterior shape with dorsal fins : en fr
  • FR51517E - Footwear manufacturing process and industrial product resulting from said process : en fr
  • CA407815A - Gas discharge lamp : en fr
  • GB548429A - Improvements in and relating to means for transporting biscuits or like articles : en
  • USD134026S - Design for a brooch or similar article : en
  • US2298169A - Manufacture of diphenylacetophenone : en
  • US2297728A - Ethers of substituted phenyl : en
  • US2298066A - Mineral oil gels : en
  • DK60212C - Sofa or Ottoman with Magazine and folding Seat. : da en
  • US2298227A - Resoling and reheeling mold for footwear : en
  • FR875944A - Improvements to purses or similar articles : en fr
  • CA407891A - Object detection by electro-magnetic rays : en fr
  • US2297893A - Rail welding : en
  • US2297871A - Rubber cement : en
  • USD134033S - Design for a pin clip : en
  • US2297705A - Method of adjustment for temperature controllers : en
  • US2297792A - Thermometer : en
  • CA407790A - Draft gear : en fr
  • CA407806A - Electric power controlling system : en fr
  • GB548317A - Improvements in length measuring instruments : en
  • US2298136A - Combination shipping and display carton : en
  • DE726003C - Method and device for the smoldering of baking and blazing coal : de en
  • GB548388A - Improvements in and connected with electric regulators of the carbon pile type : en
  • FR875845A - Improvements to split tubular rivets : en fr
  • AU307341A - Improvements in or relating to shoe trimming machines : en
  • FR875881A - Process for manufacturing a thinner for silicate paints : en fr
  • US2298123A - Magazine for fastener applying instruments : en
  • GB548329A - Improvements in or relating to colouring compositions : en
  • US2298209A - Bottle carrier : en
  • GB548335A - Improvements in and relating to brushes : en
  • GB548413A - Improvements in or relating electric heating appliances : en
  • US2297788A - Power lift : en
  • US2298013A - Fire control mechanism : en
  • DE726063C - Internal combustion turbine with an internal combustion piston engine rotating independently of the turbine shaft : de en
  • DE726194C - Adjustable high voltage transformer : de en
  • DE726293C - Device for alternately laying out the printed products coming from a printing machine in counted groups : de en
  • GB548339A - Improvements in feed scrolls for extruding machines and to machines incorporating such scrolls : en
  • US2297917A - Automatic gas burner lighter : en
  • USD133982S - Design fob a hot food purveying store : en
  • DE726109C - Hydraulically controlled copy milling machine : de en
  • DK60224C - Security closure for Windows. : da en
  • DE726038C - Electromagnetic device to keep the flaps closed and to close again : de en
  • DE726272C - Method and device for setting separating plates in test tubes for gas analysis purposes made of thermoplastic material : de en
  • FR875866A - Heating devices for carbonization furnaces with recovery of by-products : en fr
  • GB548311A - Improvements in or relating to electrically driven machines having electrically heated elements : en
  • US2298069A - Tree support : en
  • DE726243C - Hydraulic drive device : de en
  • FR875996A - Improvements made to assemblies intended to transform a sawtooth voltage into a sawtooth current : en fr
  • US2298118A - Electric insulator : en
  • US2297763A - Dehumidifier control : en
  • US2298140A - Telescopic extensible antenna : en
  • US2298154A - Surface condenser : en
  • CA407828A - Brake release control means : en fr
  • CA407861A - Propellant powder : en fr
  • CA407770A - Stocking heel : en fr
  • US2297789A - Transcribing apparatus : en
  • US2298104A - Fabricated steel studding : en
  • US2298252A - Vibrator : en
  • CA407850A - Television transmitting system : en fr
  • CA407858A - Chemical treating apparatus : en fr
  • CA407900A - Hair clipper : en fr
  • DK60216C - Device for Magasing gramophones. : da en
  • DE726030C - Valve control for dry gas meters with four or more measuring chambers : de en
  • DE726138C - Tower furnace with support arms arranged one above the other for downward conveyance of the goods : de en
  • US2298031A - Apparatus for making insulation life tests : en
  • FR875997A - Socket on overhead conductor : en fr
  • US2297778A - Brinell hardness testing machine : en
  • US2297744A - Vernier mechanism : en
  • US2298144A - Photographic camera and carrying case therefor : en
  • US2298054A - Motor vehicle : en
  • US2297816A - Electrical control system : en
  • FR51540E - Combustion engine with pistons arranged in a star shape working in opposition : en fr
  • GB548307A - Improvements in or relating to enclosed electric switchgear : en
  • DE726176C - Preheating of a turbine for hot propellant provided with an impeller disc not penetrated by the shaft : de en
  • DE726238C - Annaehknopf : de en
  • GB548427A - Improvements in surgical bandages, binders for babies, and the like : en
  • GB548435A - Improvements relating to carbonization apparatus : en
  • US2298096A - Washing machine : en
  • USD133987S - emblem or : en
  • CA407773A - Dual front wheel mounting : en fr
  • DE726201C - Incandescent pot for metal parts, especially aluminum foil and. like : de en
  • DE726009C - Key lock for railway security purposes : de en
  • DE726126C - Folding top, especially for motor vehicles : de en
  • FR875960A - Valve needle guide for sprinklers : en fr
  • GB548366A - Improvements in or relating to header or upsetting machine : en
  • DE726184C - Sealing for wheel sets of conveyor wagons : de en
  • DK60213C - Oven. : da en
  • US2297905A - Apparatus for and method of regis : en
  • USD133978S - Pouring spout for containers : en
  • DE726289C - Process to improve baking ability : de en
  • GB548296A - Improvements relating to unidirectional electrical inductive apparatus : en
  • FR875834A - Method and apparatus for bleaching textile materials for use in the manufacture of paper and the like : en fr
  • GB548316A - Improvements in means for preventing ice formation on wings and other parts of aeroplanes : en
  • DE725722C - Device for the direct treatment of vegetable fibers with chlorine : de en
  • DE726279C - Fire extinguisher with liquid extinguishing agent expelled by compressed gas : de en
  • GB548344A - Improvements in or relating to machines for use in the manufacture of shoes : en
  • DE726053C - Process for the production of oil-saving binders : de en
  • AU115935B2 - Improved circuit arrangements for compensating for varying temperature coefficient of frequency in electrical circuits : en
  • FR51513E - Group of axle bodies suspended from the frame in a flexible manner : en fr
  • CA407864A - Self-tightening chuck : en fr
  • DE726211C - Arrangement for the operation of glow plugs, in particular for the ignition of gas or liquid burners : de en
  • CA407844A - Lens facet grinding machine : en fr
  • GB548428A - Improvements in electrolytic cells : en
  • DE726019C - Electric three-phase oscillating drive for oscillating work equipment with linear oscillating movement : de en
  • DE726115C - Direction indicators for bicycles and motorcycles : de en
  • DE726133C - Process for the production of aluminum sulfite solutions from clays, kaolins and similar hard-to-digest alumina silicates : de en
  • DE726241C - Lubricating oil processing and conveying system for internal combustion engines : de en
  • CA407849A - Oil well treatment : en fr
  • US2297812A - Draft control system : en
  • DE726047C - Method for keeping the frequency of tube oscillators constant : de en
  • DE726290C - Process for the preparation of biuret and triuret from urea : de en
  • FR875810A - Manufacture of various elements from a standard blank : en fr
  • FR875921A - Nozzle : en fr
  • FR875978A - Method for establishing discharge vessels with photocathode : en fr
  • GB548390A - Improvements in or relating to lubricating compositions : en
  • US2297945A - Dispenser : en
  • US2298231A - Production of nitriles : en
  • US2297734A - Stabilization of nitrated carbohydrates : en
  • US2298017A - Process for plasticizing lignocellulosic materials : en
  • US2297799A - Viewing device : en
  • GB548341A - Improvements relating to pre-fabricated portable huts, sheds, houses and the like : en
  • US2297748A - Side frame : en
  • US2297854A - Combined thermoelectric safety shut-off and electroresponsive valve : en
  • FR51543E - Silicon Carbide Tubular Heating Resistor : en fr
  • DE726195C - Gas discharge tubes for voltage regulation : de en
  • DE726043C - Arrangement for four-wire connection of trunk lines : de en
  • US2298098A - Garment : en
  • USD133992S - Design fob a last or similar article : en
  • US2298049A - Tool joint : en
  • US2297974A - Darkroom safelight lamp : en
  • US2298199A - Portable hoist : en
  • DE726035C - Single lever control for aircraft engine control devices : de en
  • GB548364A - An improved apparatus for removing and melting snow deposited on roads and railway tracks : en
  • DE726234C - Continuous impact machine for the simultaneous determination of the flexural vibration strength of several test bars : de en
  • US2297898A - Work manipulating and weighing device : en
  • DE726151C - Electrode boilers : de en
  • US2298150A - Expansion valve : en
  • USPP546P - Rose plant : en
  • FR875817A - Improvements to stenotyping machines : en fr
  • US2298084A - Noise limiting circuit : en
  • US2297907A - Illuminated cabinet : en
  • US2298050A - Guide : en
  • US2297817A - Filter element and method of making the same : en
  • DE726070C - Process for the metallic filling of breakthroughs in workpieces made of ceramic or similar material : de en
  • DK60206C - Electric Battery Battery with Metallic Cell Containers. : da en
  • US2297833A - Detachable instrument socket : en
  • CA407777A - Lubricator : en fr
  • CA407793A - Molten iron desulphurization : en fr
  • DE726202C - Accelerated wound healing in plants : de en
  • US2298138A - Inorganic substituted acetic acid : en
  • GB548351A - Improvements in or relating to grinding wheel truing mechanism : en
  • DE726089C - Keyed high frequency tube transmitter : de en
  • US2297960A - Wheel hub for velocipedes : en
  • AU115951B2 - Improved passenger propelled wheel chair : en
  • DE726239C - Flat firewood container made of an inelastic material with sloping side walls : de en
  • DE726281C - Device for attaching oxygen bottles in breathing apparatus : de en
  • CA407868A - Container closure device : en fr
  • CA407895A - Cellulosic material, etc. : en fr
  • CA407812A - Starting control for synchronous motors : en fr
  • FR875871A - Horizontal retort furnace for the production of coke and gas with change in the direction of circulation of the heating gases : en fr
  • US2297721A - Electrical gaseous discharge control device : en
  • USD134028S - Design for a brooch or similar article : en
  • US2298191A - Bottle carrier : en
  • DE726266C - Thread clamping device for knitting machines, especially for flat weft knitting machines : de en
  • SE105615C1 - : en
  • US2298060A - Screen : en
  • DE726045C - Arrangement for the transmission of messages : de en
  • DE726207C - Locking device for aircraft rudders : de en
  • DE726181C - A streamlined vehicle, especially a railcar : de en
  • US2297793A - Communication system : en
  • US2297979A - Fitting for conduit construction : en
  • US2298163A - Control apparatus : en
  • AU115942B2 - Improvements inconstant frequency variable dot picture telegraph systems : en
  • DK60205C - Volume control device for electron tube amplifiers. : da en
  • DE726232C - Device for working ring grooves into wood : de en
  • DK60217C - Nuclear dough. : da en
  • FR875851A - Crankshaft for polycylindrical two-stroke inline single or multiple engines : en fr
  • DE726300C - Cam clamp : de en
  • FR51503E - : fr
  • FR875917A - Amplifier tube device, such as a radio receiver, comprising an incandescent lamp mounted in series with the filament of one or more of these tubes : en fr
  • CA407854A - Exercising machine : en fr
  • DE726104C - Fumigation tent for disinfestation of clothing and the like like : de en
  • CA407863A - Machine tool thermostatic control : en fr
  • USD134022S - Design for a jewelry pin : en
  • USRE22194E - Certificate op correction : en
  • FR875824A - Isomerization process : en fr
  • FR875877A - Foam producing apparatus using air : en fr
  • US2297976A - Scrubbing and polishing apparatus : en
  • US2297813A - Chain : en
  • US2298110A - Thermostat : en
  • US2297957A - Fastener device : en
  • DE726136C - Device for heating molten salts heated by electrodes : de en
  • DE726312C - Synthetic resin compound : de en
  • GB548420A - Improvements in or relating to electric motor control systems : en
  • GB548442A - Improvements in and relating to machines for spinning metals : en
  • US2297850A - Oil-level measuring stick : en
  • FR875822A - Cracking of hydrocarbon oils : en fr
  • DE726256C - Device for sending Morse code prepared on a character carrier in freely adjustable intervals : de en
  • DE726125C - Housing for multi-cylinder internal combustion engines : de en
  • DE726016C - Counter arrangement : de en
  • CA407783A - Electric switch : en fr
  • CA407824A - Discharge device trigger : en fr
  • GB548407A - Improvements in aeroplane wings of variable camber and area : en
  • DE726198C - Cleaning and cooling device made of metal for generator gas : de en
  • US2297715A - Pressure regulating device : en
  • DE726005C - Liquid seal for the lids of smoldering retorts : de en
  • US2298189A - Electric motor : en
  • FR875861A - Filling pressure relief device : en fr
  • DE726023C - Metal converter vessel with a cooling pipe system that extends through the vessel from the bottom to the lid : de en
  • AU159841A - Improvements in and relating tothe treatment of arrowroot : en
  • US2297732A - Photographic color process involving the formation of azo dye images : en
  • US2297771A - Box fastener : en
  • DE726029C - Mold for the production of wheels, especially for mine cars : de en
  • FR875986A - Process for photographic recording of sound or for making sound recordings : en fr
  • FR875816A - Ring spinning and twisting machine, comprising a pin bed or ring carrier moving during operation : en fr
  • FR875940A - Process for tanning chrome leather : en fr
  • FR875956A - Oil for refrigeration machines : en fr
  • GB548374A - Improvements relating to pre-fabricated portable huts, sheds, houses and the like : en
  • IE17276L - Herbicides; fertilisers : en
  • GB548385A - Improvements in flat knit goods : en
  • US2297929A - Increasing the ink receptivity of metallic surfaces : en
  • US2298002A - Cabinet ironing board : en
  • FR875835A - Centrifugation skimming device : en fr
  • FR875875A - Firing device for artillery pieces : en fr
  • US2298075A - Radio frequency oscillator : en
  • FR875841A - Lubricator-atomizer : en fr
  • DK60225C - Razor. : da en
  • GB548310A - Improvements in or relating to heaters for liquids : en
  • GB548380A - Manufacture of phenylcyclohexyl-fatty acids and esters thereof : en
  • DE726323C - Aircraft wing : de en
  • DE726182C - Automatic regulation of air heating, especially for railway vehicles : de en
  • GB548313A - Improved speed-ratio providing pulley or sprocket-wheel : en
  • AU416842A - Photographic emulsions : en
  • FR875969A - Electric cable with impregnated paper insulation : en fr
  • FR875849A - Free-expansion assembly system for engine components : en fr
  • US2297988A - Motor construction : en
  • DE726282C - Horse gas protective mask : de en
  • CA407832A - Fan blade : en fr
  • CA407838A - Brake control apparatus : en fr
  • FR875907A - Washing channel for the preparation of coals and other materials : en fr
  • AU115950B2 - Improvements in and relating tothe treatment of arrowroot : en
  • CA407902A - Radio direction finding system : en fr
  • CA407905A - Solvent for condensation products : en fr
  • US2297977A - Adjustable doorstop and method of applying same : en
  • US2297677A - Removable bulldozer attachment : en
  • US2297690A - Dispensing package : en
  • US2297941A - Box : en
  • USD134029S - Design for a pin cup : en
  • GB548381A - Improvements in and relating to the refining and casting of magnesium and alloys rich in magnesium : en
  • FR875811A - Acetylene gas generator : en fr
  • FR875983A - Process for making coal agglomerates : en fr
  • US2297790A - Mirror support : en
  • US2298097A - Photographic printer mechanism : en
  • US2297900A - Pneumatic motor : en
  • US2298116A - foothorap : en
  • US2297872A - Control apparatus : en
  • CA407798A - Railway car truck support : en fr
  • CA407873A - Electron dischage tube with fluorescent screen : en fr
  • US2297959A - Casein sheet material : en
  • DE726131C - Process for the production of effect threads from cotton or other vegetable fibers : de en
  • DE726100C - Automatic frequency counter : de en
  • GB548319A - A method of minimising breakage of glass during the production of a ground or polished continuous strip of glass : en
  • DE726292C - Device for guiding a paper web in paper-processing machines, especially in the folding units of rotary printing machines : de en
  • FR875924A - Self-priming device for centrifugal, helico-centrifugal or helical pumps, or any similar system : en fr
  • US2297824A - Conduit outlet box : en
  • CA407853A - Hopper car door mechanism : en fr
  • GB548306A - Improvements in or relating to enclosed electric switchgear : en
  • FR875891A - Mounting of maneuvering devices on vehicles, in particular on motor vehicles : en fr
  • FR875899A - Two-stroke internal combustion engine : en fr
  • GB548278A - Improvements in loud speakers : en
  • US2298197A - Windshield wiper mechanism : en
  • DE726188C - Method for the transmission of a message or presentation via quad lines : de en
  • FR51536E - Chassis frame with side members with a closed contour and serving as the lower body frame : en fr
  • IE17666L - U.h.f. electrical oscillators : en
  • US2297713A - High-tension insulator : en
  • US2297855A - Bolstered handled cutlery : en
  • DE726046C - Procedure for the recovery of a previously suppressed sideband : de en
  • FR51544E - Receiver with automatic volume and selectivity adjustment : en fr
  • DE726048C - Process for the production of black coatings on metal parts of electron tubes : de en
  • FR875872A - Process for the preparation of sulfuric leuco-esters and products obtained by this process : en fr
  • GB548334A - Improvements relating to ships' ventilators : en
  • US2297971A - Coin selector : en
  • US2297981A - Method of frosting glass articles : en
  • US2297995A - Cabinet : en
  • GB548396A - Apparatus for converting a direct voltage into a frequency proportional thereto : en
  • GB548406A - Improvements in and relating to actuating mechanism for windows, doors and the like : en
  • DE726071C - Footwear sewing machine, in particular a double machine, with a drive device for the presser foot : de en
  • DE726245C - Torsion bar suspension for the rollers of caterpillars : de en
  • FR51502E - Agglomerating machine : en fr
  • GB548434A - Improvements relating to vehicle wheels : en
  • CA407802A - Electric conductor : en fr
  • DE725873C - Device for the optional actuation of several hand pumps for aircraft : de en
  • FR875942A - Birefringent plate with modified temperature coefficient of double refraction, especially for automobile headlights : en fr
  • GB548394A - Improvements in electric transformers : en
  • DE726212C - Process for the production of effect threads from cotton fibers or other vegetable fibers : de en
  • DE726214C - Process for the preparation of anhydrous diazoamido compounds of cyclic amines : de en
  • US2297797A - Valve device : en
  • US2297918A - Torque controlled carburetor : en
  • GB548436A - Improvements in and relating to fasteners for securing articles to supports : en
  • DE725984C - Process for improving the resistance of threads or fibers made of proteins, especially casein, to hot watery baths : de en
  • FR875867A - Electric heating body which can be used particularly as a heating plate for culinary appliances and a method of manufacturing this heating body : en fr
  • AU115971B2 - Photographic emulsions : en
  • DE726107C - Torsional vibration damper : de en
  • DK60210C - Apparatus for Closing and Disconnecting AC Power Circuits. : da en
  • FR875909A - Shredder with loading device : en fr
  • US2298068A - Electromagnetic switch : en
  • US2298122A - Digitalis capsule : en
  • US2298147A - Textile printing process : en
  • US2297886A - Glow relay mounting : en
  • GB548290A - Manufacture of improved water-softening materials : en
  • GB548418A - Improvements in or relating to machines for inking edge portions of workpieces : en
  • US2297849A - Flatiron stand : en
  • FR875893A - Slow carbonization furnace with licking gas, continuously operating, in particular for the treatment of oil shales : en fr
  • US2298099A - Modulation : en
  • US2298239A - Light source : en
  • DE726054C - Device for winding hair in curls and holding them : de en
  • DK60203C - Procedure for the production of 21-aldehydes of the saturated or unsaturated series of impregnations. : da en
  • US2297844A - Optical device : en
  • DE726240C - Four-stroke engine in boxer arrangement : de en
  • AU115912B2 - Improvements in automatic gain control for electrical transmission systems : en
  • GB548430A - An improved utensil for use in fruit or vegetable drying : en
  • GB548350A - Improvements in or relating to electric welding : en
  • DE726137C - Bonnet furnace : de en
  • DE726252C - Circuit arrangement for the control of messages given over telephone lines with the help of complementary selection : de en
  • FR875812A - Regulator : en fr
  • FR875958A - Cooling device for internal combustion engines, in particular for aircraft engines : en fr
  • CA407805A - Motor control system : en fr
  • US2297926A - Frequency modulated transmitter : en
  • GB548276A - Improvements in or relating to the preparation of sulphonic derivatives of organic materials : en
  • FR51531E - Method for processing oscillation recording media intended to be reproduced optically : en fr
  • CA407817A - Cathode ray tube : en fr
  • US2297864A - Dialdehyde compound and process for making same : en
  • US2297901A - Individual wheel suspension : en
  • US2297693A - Autoloading firearm : en
  • US2297899A - Structural form for concrete and locking means therefor : en
  • DE726262C - Arrangement for automatic parallel switching of AC machines or networks : de en
  • US2297777A - Anthraquinone carbazole dyes : en
  • DE725473C - Electron collecting coil : de en
  • DE726167C - Polarized relay : de en
  • DE726117C - Process for the production of a white writing board, e.g. B. made of wood, sheet metal or slate : de en
  • FR875951A - Automatic scallop : en fr
  • USD134032S - Design for a pin cup : en
  • US2297970A - Forced air circulation refrigeration system : en
  • US2297865A - Clamp device for container closures : en
  • US2297973A - Centrifugal casting machine : en
  • DK60221C - Opening device for cans and similar containers. : da en
  • US2297869A - Suspension support for electric lighting fixtures : en
  • US2298107A - Camera : en
  • USD133981S - Design fob a finger ring : en
  • US2297786A - Method of partial freezing out of liquid : en
  • US2297796A - Chip control mechanism : en
  • US2297954A - Tire casing spreader : en
  • FR875975A - Combustible chipboard based on sawdust and process for obtaining it : en fr
  • GB548384A - Improvements in or relating to optical objectives : en
  • US2297890A - Furnace : en
  • US2298158A - Door suspension and actuating means : en
  • US2297703A - Process of treating animal fibers : en
  • US2298094A - Multicolor printing machine : en
  • US2298258A - Portable cementing apparatus : en
  • AU303141A - Improvements in automatic gain control for electrical transmission systems : en
  • AU338241A - Improved core lifter for diamond drills : en
  • CA407865A - Glow lamp : en fr
  • CA407767A - Knuckle joint : en fr
  • FR51516E - Electric discharge tube and frequency changer arrangement incorporating such a tube : en fr
  • FR51548E - Enhancements to transit time generators : en fr
  • GB548368A - Improvements in or connected with force transmission mechanism for dynamometers : en
  • GB548283A - A stand or support for a telephone and telephone directory : en
  • DE726271C - Process for the electrolytic digestion of aluminum phosphates : de en
  • FR875922A - Switching device for starting device with internal combustion engine as control machine : en fr
  • US2297718A - Fluid control valve : en
  • US2298132A - Means for forming hollow structures : en
  • DE726067C - Mandrel : de en
  • DE726111C - Hydraulically controlled adjusting screw automatically at constant speed : de en
  • DE726247C - Motor vehicle or motor vehicle trailer with a multi-purpose convertible car body : de en
  • US2297782A - Crushing machine : en
  • US2298126A - Signaling system for transformers : en
  • CA407791A - Windmill : en fr
  • CA407834A - Induction motor starting and reversing device : en fr
  • DE726077C - Circuit arrangement for linearizing the control voltage-useful current characteristic of a multi-grate tube : de en
  • DE726263C - Frequency-dependent damping network consisting of a series or parallel connection of two or more four-pole terminals : de en
  • DE726288C - Ceiling stone with upper longitudinal ribs : de en
  • AU63441A - Improved powerlift mechanism for raising and lowering tractor drawn implements : en
  • DE726170C - Operation of electrostatic separators with two superposed electrodes of opposite polarity : de en
  • US2297696A - Furnace : en
  • DE726301C - Changeover switch for electrical circuits with a switching arm that is latched by contact rollers : de en
  • DE726306C - Automatic traveling grate with subsequent fuel storage : de en
  • US2297856A - Gas burner : en
  • US2297912A - Hoisting apparatus : en
  • FR875959A - Method and apparatus for metering cut tobacco for making packages of smoking tobacco : en fr
  • US2298165A - Ironing table : en
  • US2298204A - Telephone system : en
  • GB548349A - Improvements in and relating to the synthesis of heterocyclic compounds : en
  • US2297675A - Process for treating gaseous hydrocarbons : en
  • US2298007A - Hydraulic actuator : en
  • US2297772A - Signaling system : en
  • FR875902A - Powder or granular material dispenser : en fr
  • USD133988S - Design for a combined manicure con- : en
  • US2297692A - Fluid flywheel control : en
  • US2297892A - Air pressure release for closed automobiles : en
  • US2298102A - Reinforced concrete : en
  • CA407779A - Water softening apparatus : en fr
  • DE726153C - Process for the preparation of o-oxyazo dyes : de en
  • GR9988B - COMPLETE SALT COMPOSITION. : el en
  • DE725742C - Process for the preparation of ª ‡ -dicarbonyl compounds of the cyclopentanopolyhydrophenanthrene series : de en
  • DE726177C - Device for automatic control of the paper web tension in rotary printing machines : de en
  • US2297975A - Hydraulic device : en
  • US2297934A - Air cleaner : en
  • US2298019A - Shaving cream : en
  • BE445106A - : en fr
  • CA407769A - Wheel mounting : en fr
  • DE726322C - Kite or kite balloon : de en
  • FR51504E - Deformable tube for pasty and liquid products, as well as its manufacturing process : en fr
  • AU115948B2 - Improved powerlift mechanism for raising and lowering tractor drawn implements : en
  • AU115949B2 - Improvements in or relating to filters for the filtration of fluids : en
  • USD133997S - Design for a bank : en
  • CA407847A - Oil well treatment : en fr
  • GB548332A - Production of alumina from clay or other aluminous ore : en
  • AU297141A - Improved holders for luminous tubes : en
  • CA407789A - Friction absorbing device : en fr
  • US2297780A - Hermetically sealed resistor : en
  • US2298222A - Automatic feed for rotary well drills : en
  • USD133990S - Design foe a stretcher : en
  • US2297810A - Drain fitting : en
  • DE726026C - Rotary slide valve controlling the inlet and outlet for piston pumps with two or more adjacent working areas : de en
  • US2298179A - Cabinet for dispensing sheet material : en
  • AU115936B2 - Phonograph record reproducing system : en
  • FR875965A - Improvements to antenna systems : en fr
  • CA407840A - Dynamic braking control system : en fr
  • US2297791A - Atomizing device for pulverulent material : en
  • FR875836A - Flexible wooden shoe sole : en fr
  • US2297835A - Method and means for emptying vacuum cleaner dust receptacles : en
  • US2297937A - Smoker's pipe : en
  • US2297914A - Pie pan : en
  • US2297956A - Single duct, hydropneumatic, welltool actuator : en
  • US2298109A - Vapor electric device : en
  • GB548338A - Improvements in or relating to airscrews : en
  • DE726024C - Mercury vapor rectifier : de en
  • FR875801A - Mixed traction transport method : en fr
  • US2298046A - Apparatus and method for use in fever therapy : en
  • USD133975S - By attorn eys : en
  • GB548308A - Improvements in or relating to looms with weft insertion by nipper members : en
  • FR51535E - Process and apparatus for the manufacture of urea from carbon dioxide and ammonia : en fr
  • FR875919A - Improvements in the manufacture of warning stamps for bicycles : en fr
  • DE726013C - Carrier frequency transmission system : de en
  • DE726103C - Device for removing stumps : de en
  • US2297938A - Lister mounting for ditch cleaners : en
  • US2298087A - Adjustable support mechanism : en
  • CA407799A - Braking ring : en fr
  • GB548401A - Improvements in or relating to pick-holders for reversible mining machine cutter chains : en
  • GB548321A - Manipulators for use in forging : en
  • US2297681A - Hydraulic booster system : en
  • US2297859A - Refrigeration apparatus : en
  • DE726152C - Process for the preparation of water-insoluble monoazo dyes : de en
  • US2298044A - Molding machine : en
  • US2298121A - Harvesting machine : en
  • GB548314A - Process of preparing sulphanilamide derivatives : en
  • CA407862A - Mechanical brush : en fr
  • US2297989A - Ring binder construction : en
  • USD134015S - Design for a dress : en
  • CA407766A - Thrust ball bearing : en fr
  • CA407804A - Electric discharge device : en fr
  • US2298041A - Method of making dies : en
  • US2298088A - Tobacco product : en
  • CA407867A - Container for tooth brushes : en fr
  • AU410342A - Improvements in and relating to paint andthe manufacture thereof : en
  • CA407896A - Train pipe connector : en fr
  • DE726037C - Artificial sheet unit made of paper, cardboard or the like for the production of wreaths, garlands or the like. : de en
  • DE726113C - Steering device for long material wagons with steering lever attached to the rear chassis : de en
  • US2297873A - Rate of climb indicator : en
  • US2297925A - Antenna system : en
  • US2298198A - Husking and cleaning mechanism : en
  • USD133974S - Design fob an advertising display stand : en
  • USD133984S - Design for a reflector device : en
  • US2297683A - Traffic actuated control apparatus : en
  • FR875916A - Spectrographic examination apparatus : en fr
  • CA407887A - Separable fastener : en fr
  • DE726230C - Cradle gear : de en
  • US2297829A - Electric piano with pedal control : en
  • FR875805A - Automotive Equipment System for Acetylene Gas Operation : en fr
  • GB548404A - An improved hardness testing instrument : en
  • GB548448A - Improvements in furnaces for melting granular materials : en
  • DK60204C - Procedure for Refining Smelting of Metals by the Iron Group. : da en
  • US2297882A - Carriage for cutting or sawing machines : en
  • AU306841A - Improvements inconstant frequency variable dot picture telegraph systems : en
  • US2297885A - Flaring tool : en
  • US2298182A - Vibrating screen : en
  • US2297784A - Grate : en
  • US2298073A - Electric circuits : en
  • FR51515E - Electromagnetically controlled direction indicator, in particular for motor vehicles : en fr
  • US2297684A - Scriber : en
  • US2297726A - Method and apparatus for drying or the like : en
  • DE726148C - Method for transforming electrical voltages : de en
  • DE726223C - Spring-loaded drive with automatic locking of the line roller : de en
  • US2297883A - Adjustable ladder platform : en
  • US2298055A - Melting copper : en
  • DE726010C - Device for printing or remote printing of characters, consisting of rotatable type wheel, setting ring and mechanically or electromagnetically acting stop device : de en
  • FR875929A - Portable pneumatic rotary punch for coal and other minerals : en fr
  • US2297774A - Hydrocarbon conversion : en
  • FR875879A - Can filling machine : en fr
  • GB548346A - Improvements in high frequency electron discharge apparatus : en
  • US2297801A - Azo dyes : en
  • DE726060C - Device for hanging up glued flycatchers : de en
  • DK60223C - Device for power machines to prevent unwanted maneuvering of these. : da en
  • US2297695A - Hydrocarbon reforming : en
  • US2297920A - Shaped brick : en
  • US2298026A - Control system : en
  • USRE22193E - Liquid dispensing apparatus : en
  • USRE22195E - Coupling system : en
  • DE726236C - Device for measuring detonation vibrations in the cylinder of internal combustion engines : de en
  • US2298029A - Refrigeration : en
  • FR875804A - Small tilting and removable chassis for passenger car type : en fr
  • GB548297A - Improvements in electric flash lamps : en
  • US2297803A - Printing apparatus : en
  • US2297815A - Air rotor : en
  • FR51546E - Single tube relaxer : en fr
  • GB548360A - Improvements in the production of syrup from farinaceous materials : en
  • US2297911A - Substituted phenyl malonic acid and derivative thereof : en
  • US2298095A - Washing machine : en
  • DE726132C - Control method and device for gas delivery systems : de en
  • GB548303A - Collapsible threading device : en
  • GB548389A - Improvements in the treatment of starch and the like : en
  • DE726083C - Propeller which circulates in a liquid or gaseous medium and whose hub is provided with openings for the medium to pass through : de en
  • DE726166C - Diffuser : de en
  • DE726246C - Liquid shock absorbers, especially for motor vehicles : de en
  • CA407866A - Pigmented resin : en fr
  • US2297787A - Production of transparent rubber articles : en
  • USD134024S - Design fob a jewelry pin or similar article : en
  • US2298078A - Plastic masses similar to factice and linoxyn : en
  • US2298130A - Frequency converter : en
  • FR51505E - Electrically operated indicator device for remote gauging of liquids in tanks : en fr
  • DK60211C - Spray container for powdered fabric. : da en
  • US2298038A - Shoe cementing apparatus : en
  • DE726284C - Device for adjusting propellers during operation : de en
  • US2298254A - Electric immersion heater for liquid electrolytes : en
  • US2297910A - System for charging and cooling internal combustion engines : en
  • US2298047A - Display stand : en
  • FR875930A - Device for taking into account several correction quantities in the printing of color films : en fr
  • US2298008A - Brake : en
  • AU305641A - Apparatus for the production and purification of gas for use in internal combustion engines : en
  • FR875837A - Advanced hydraulic jack : en fr
  • DE726206C - Airplane wing with movable front part : de en
  • GB548410A - Improvements in and relating to couplings for trailers : en
  • US2298036A - Cock or valve : en
  • US2298261A - Pen : en
  • US2298127A - Process of preparing artificial fibers : en
  • US2298161A - Cultivator : en
  • DK60219C - Air cooling device for multi-cylinder Vehicle engines. : da en
  • US2298108A - Circuit maker and breaker : en
  • US2298221A - Cutting machine for cotton strips and the like : en
  • DE726287C - Process for depositing oil or lacquer colors, varnishes or the like when spray painting objects : de en
  • FR875939A - Process for compensating for the influence of temperature on the efficiency of photographic processing baths : en fr
  • GB548447A - Improvements in and relating to electrical indicating instruments : en
  • FR51526E - Starting device for internal combustion engines : en fr
  • FR875885A - Rear wheel elastic suspension for motorcycles : en fr
  • GB548298A - Shock-absorbing devices for the wheels of motor-cycles : en
  • US2297952A - Supporting means for forming concrete floors : en
  • USD133989S - Design for a book end : en
  • FR51541E - Surge protector especially in the form of a threaded plug and a separate part : en fr
  • FR875993A - Concrete frame : en fr
  • DE726033C - Regulator for externally ignited internal combustion engines : de en
  • FR875855A - Commercial use in all its transformable forms of the bone or vertebral column of cod, haddock and all other kinds of fish as food and restorative : en fr
  • USD133973S - Design fob an electric drill unit or the like : en
  • US2298178A - Mercury conserving switch : en
  • US2298237A - Lead base coating alloy : en
  • US2297809A - Pipe bend machine : en
  • US2297730A - Transfer mechanism : en
  • CA407859A - Transfer flask : en fr
  • DE726203C - Flywheel igniter : de en
  • AU115926B2 - An improved holder to facilitate the operation of removing wrinkles from sheep : en
  • DE726179C - Device for heating rivets : de en
  • GB548377A - Conveying device : en
  • US2297999A - Compass : en
  • US2298103A - Combination range : en
  • CA407839A - Motor-driven agitator mechanism for liquids : en fr
  • GB548402A - Improvements relating to means for receiving electrically transmitted measurements : en
  • GB548433A - Improvements in lathes and like machine tools : en
  • US2297915A - Electric razor : en
  • US2298143A - Reclosing circuit interrupter : en
  • US2297808A - Sprinkler system for chimneys : en
  • GB548378A - Apparatus for use in obtaining aerial photographs : en
  • US2297708A - Method of making pile fabrics : en
  • GB548328A - A wheel with guard for planting potatoes and the like : en
  • CA407819A - Circuit interrupter : en fr
  • DE726006C - Device for loading narrow-chamber sausages : de en
  • DE726250C - Change pen, especially multi-color pencil : de en
  • DE726304C - Device for testing the electrical or hydraulic equipment of the cell parts or large components of aircraft in connection with test tables : de en
  • DE726180C - Suspension with load suspension hook for overhead cable cars with pull rope operation : de en
  • DE726309C - Hair curler : de en
  • CA407843A - Guy rod grounding clamp : en fr
  • US2297765A - Key removing tool : en
  • CA407831A - Lightning arrester : en fr
  • CA407880A - Telegraph transmitter : en fr
  • US2298090A - Optical objective : en
  • AU118241A - Decorticating machine : en
  • CA407907A - Textile sizing manufacture : en fr
  • DE726235C - Electromagnet for non-destructive testing of materials : de en
  • DE726270C - Use of beryllium-containing alloys for balance springs : de en
  • US2298018A - Means for sharpening bits : en
  • US2298263A - mkzcs : en
  • AU272941A - Improved concrete mixer : en
  • GB548292A - Thermo circulating system for steam boilers : en
  • FR875823A - Hydrocarbon conversion : en fr
  • GB548312A - Improvements in or relating to machines for joining veneers together edge-to-edge : en
  • FR875869A - Tool refinements for metalworking : en fr
  • GB548318A - Improvements in or relating to apparatus for measuring dimensions : en
  • US2298215A - Periodic motion mechanism : en
  • FR875803A - Installation of prime movers : en fr
  • DE726225C - Photoelectric relay with gas or steam filling : de en
  • USD133999S - Design for a shoe : en
  • DE726321C - Device for dosing gaseous, viscous and viscous and solid powdery substances by means of two pumps connected in series : de en
  • DK60222C - Waterproof closure for bags with slit-like opening, especially intended for shipwrecked for storage of objects that are desired to be protected from water. : da en
  • AU299541A - Improvements relating to railway traffic controlling apparatus : en
  • US2298037A - Shoe manufacturing method and apparatus : en
  • US2298168A - Differential pressure measuring device : en
  • US2298063A - Clear vision device : en
  • DE726218C - Electric circuit breaker with arc extinguishing by means of extinguishing gas generated by the arc from solid gas-emitting switch room walls : de en
  • DE726164C - Device for locking the doors of two interconnected wardrobes : de en
  • DE724791C - Process for making pasta : de en
  • FR875815A - Quay wall with gates : en fr
  • FR875943A - rational oven for drying vegetables and fruits : en fr
  • US2297800A - Standard frequency oscillator : en
  • US2298142A - Unitary spoke anx tueab : en
  • USD134030S - Design for a pin clip : en
  • CA407757A - Edible article production : en fr
  • DE726302C - Two-layer excitation winding for synchronous machines : de en
  • GR9986B - INSULATORS SEPARATED BY ELECTRIC ACCUMULATORS. : el en
  • DE726150C - Device for monitoring the operating status of an arc rectifier : de en
  • US2298175A - Heating apparatus : en
  • US2298167A - Elevator safety device : en
  • AU115939B2 - Improvements in or relating to milling, engraving and like copying machines : en
  • CA407776A - Slide fastener for shirts : en fr
  • DE726319C - Gas turbine plant, in which part of the working fluid carries out a cycle, while another part is removed from the cycle : de en
  • US2297944A - Compressor air valve : en
  • US2297795A - Communication system : en
  • DE726285C - Cartridge feed for machine guns with reversible mounts : de en
  • US2297998A - Separating mechanism for threshers : en
  • US2298170A - Heat deflector : en
  • DE726080C - Device for stripping dirt or the like from the stamp of pressure medium lifting platforms : de en
  • DE726097C - The use of gold alloys for dental purposes : de en
  • US2298023A - Radio antenna : en
  • USD133998S - Combined callous remover and nail cleaner : en
  • USD134036S - Design for a pin clip : en
  • US2297682A - Visible index and progressive signal means : en
  • US2298006A - Molding apparatus : en
  • FR51550E - Outlet connection on pipe : en fr
  • US2297853A - Heating steam turbine : en
  • DE726254C - Hip belt : de en
  • DE726130C - Process for dyeing animal fibers and other nitrogenous substances : de en
  • DE726255C - Process for the production of a fermented beverage from malt and whey : de en
  • DE726275C - Rotary piston internal combustion engine : de en
  • DE726102C - Weather protection for outdoor beds : de en
  • DE726041C - Process for the production of complex compounds of rare earths or their aqueous solutions : de en
  • GB548415A - Improvements in and relating to lapping machines, more especially for surfaces in high precision instruments : en
  • US2298039A - Interpolymer of dimethyl itaconate and ethyl methacrylate : en
  • US2298139A - Gas cleaning method : en
  • CA407860A - Milling machine : en fr
  • US2298051A - Electric flash welding machine : en
  • AU115909B2 - to Improvements in or relating tothe cleaning of producer gas andthe like : en
  • US2298085A - Piezoelectric oscillator : en
  • US2297923A - Method of positioning magnetically responsive sleeves within a mass of moldable material : en
  • US2298210A - Seam welding timer : en
  • US2297916A - Marine flagpole light and socket : en
  • CA407845A - Oil well treatment : en fr
  • DE726273C - Pinning device with two pressing jaws that roll over one another : de en
  • FR875911A - Airtight sealing device for canning glasses, with rubber seal : en fr
  • DE726295C - Device for the production of ice by means of natural cold : de en
  • GB548294A - Improvements in or relating to record card controlled printing machines : en
  • US2298131A - Capacitor motor : en
  • US2298056A - Razor attachment : en
  • CA407856A - Intermittent conveyer : en fr
  • US2298043A - Molding machine : en
  • CA407784A - Tanning agent : en fr
  • DE726032C - Safety device for fuel injection engines : de en
  • FR875820A - Fastener for upholstery fabrics : en fr
  • FR875938A - Method for welding a cable in a coal : en fr
  • USD133985S - Ehrsam cutting implement sheath : en
  • CA407785A - Railway car truck : en fr
  • US2297991A - Control of electric circuits : en
  • US2298077A - Press : en
  • USD133983S - Design for bric-a-brac : en
  • AU115943B2 - Improvements in postal franking and like machines : en
  • CA407821A - Gaseous electric relay device : en fr
  • US2297933A - Suction cleaner : en
  • CA407870A - Electrical impulse recording and reproducing method : en fr
  • FR51522E - Automatic distributor and regulator device for compressed fluid brake systems for vehicles : en fr
  • FR51542E - Improvements to discharge tubes : en fr
  • GB548358A - Improvements in or relating to clamps or gripping devices for instance for vehicle wheels : en
  • US2297964A - Casement window : en
  • DE726192C - Arrangement for keeping constant the relative phase position of the voltage vectors of two electric circuits of the same frequency or the relative synchronization of the voltage vectors of two electric circuits of different frequencies : de en
  • US2297798A - Industrial heat treating furnace : en
  • US2298141A - Terminal device : en
  • US2298166A - Power tailgate : en
  • US2298214A - Coolant-fuel mechanism and method : en
  • AU115941B2 - Improvements in and relating to retaining catches for sliding windows : en
  • GB548288A - Hose and like clips : en
  • GB548295A - Improvements in or relating to hydraulic tele-control devices : en
  • US2297851A - Illuminated display device : en
  • US2297762A - Gas burner : en
  • US2298240A - Ignitron welding timer : en
  • DE726317C - Two-stroke internal combustion engine with a star arrangement of the working cylinders : de en
  • FR875913A - Process for the preparation of an adhesive : en fr
  • DE725741C - Process for the production of glutaric acid : de en
  • DE726139C - Lock register for signal boxes : de en
  • DE726313C - Device for measuring the earth's magnetic field : de en
  • CA407760A - Shoe tree : en fr
  • DE726119C - Inspection car for bridges : de en
  • AU115940B2 - Frequency modulation system : en
  • FR875949A - 1-Amino-7-hydroxy-naphthalene-5-sulfonic acid, 1-amino-6-hydroxy-naphthalene-8-sulfonic acid, their nitrogen substitutes and methods of manufacture : en fr
  • GB548400A - Improvements in or relating to pistons for internal combustion engines : en
  • GB548441A - Improvements in and relating to frequency converters : en
  • US2297982A - Collapsible multicompartment carton : en
  • USD134003S - Pedestal for typewriting machines : en
  • USD134017S - Design for an impeller : en
  • DE726050C - X-ray tube with focusing coil : de en
  • DE726090C - Reception system, consisting of several antennas and receivers : de en
  • DE726286C - Process for the production of wear-resistant pipes : de en
  • FR51529E - Enhancements to transit time generators : en fr
  • GB548416A - Improvements in or relating to fabricated boards for building construction : en
  • AU115921B2 - Improvements relating to railway traffic controlling apparatus : en
  • US2298248A - Key holder : en
  • FR875844A - lubricating oil-in-water emulsion and its manufacturing process : en fr
  • DE726127C - Knife star dough dividing and rounding machine with hanging device for the dough ring : de en
  • FR875889A - Process for obtaining, by anodic treatment, protective layers on machined parts of light metals : en fr
  • GB548387A - Improvements in or relating to the production of artificial textile materials, films and other shaped articles having a basis of a polymerised vinyl ester : en
  • GB548393A - Improvements in lathes and other machine tools : en
  • FR875961A - X-ray machine : en fr
  • DE726014C - Process for the production of molded bodies from refractory, powder-form insulating compounds for electrical lines or cables with metal sheaths : de en
  • DE726039C - Machine for packing yarn bobbins : de en
  • DE726283C - Flat molded piece made of rubber, synthetic rubber or the like for making a gas protective mask : de en
  • FR875985A - Process for the preparation of hydrophilic and highly polymerized polymerization and condensation products of the superpolyamide type : en fr
  • FR51506E - Improvements in load distribution devices between the various power plants in a network, or the various generators in a power plant : en fr
  • FR51539E - Long rod insulator : en fr
  • US2297764A - Prepared fondant sugar and fudge mixture : en
  • DE722740C - Porous filling compound for acetylene bottles : de en
  • DE726017C - High-voltage system, in particular open-air system with double busbars : de en
  • DE726056C - Press for gluing plywood panels or the like. : de en
  • DE718756C - Process to increase the shelf life of skin creams u. like : de en
  • DE726124C - Optical sound recording device for sprout writing : de en
  • CA407772A - Milling machine centre pin : en fr
  • US2297712A - Integrated model airplane : en
  • USD134027S - Design for a brooch or similar article : en
  • CA407874A - Frequency changer : en fr
  • US2298003A - Apparatus for converting direct current into alternating current : en
  • FR875807A - Manufacturing and assembly processes of so-called stepped soles, allowing the application of rods of all kinds : en fr
  • FR51528E - Device for measuring a liquid delivered at variable temperatures with automatic correction of volume variations due to temperature differences : en fr
  • GB548315A - Improvements in or relating to orthopedic and other footwear : en
  • US2297760A - Imidazole derivatives and process of making same : en
  • US2297768A - Liquid circulator and heater for tanks : en
  • US2298232A - Method and apparatus for applying stimulant to plants : en
  • US2298173A - Container producing machine : en
  • USD133979S - Design fob a building block : en
  • GB548293A - Improvements in cellulose derivative compositions and articles made therefrom : en
  • US2297868A - Means for detecting and indicating temperature : en
  • US2297895A - Coiled-coil product and method of and apparatus for making the same : en
  • DE726311C - Process for embossing depressions in foils made from cellulose derivatives : de en
  • GB548408A - Improvements relating to detachable connections for supporting or suspending electric light fittings or for other purposes : en
  • DE726294C - Evaporator for refrigeration machines : de en
  • US2297736A - Carburetor : en
  • DE726008C - Process for the preparation of papaverine-like tetrahydroisoquinoline compounds : de en
  • DE726224C - Electric headlights, especially for automobiles and similar vehicles : de en
  • US2297837A - Testing apparatus : en
  • FR51527E - Ultra-shortwave devices : en fr
  • FR875980A - Grease seal for the introduction of compressed air in rotary chucks or similar parts of machine tools : en fr
  • DE725391C - Process for the preparation of heterocyclically substituted tetrahydronaphthols : de en
  • FR875839A - Detachable power outlet : en fr
  • US2297913A - Flexible control : en
  • DE725740C - Process for the production of gaseous hydrocarbons : de en
  • DE726327C - Brake for wheels of aircraft landing racks : de en
  • US2298207A - Telephone substation apparatus : en
  • US2298183A - Machine for substituting cores for the cores in yarn packages : en
  • CA407852A - Welding material : en fr
  • US2297831A - Bolt : en
  • FR875974A - Observation apparatus for positives and negatives of photographs or x-rays : en fr
  • USD134037S - Design for an airplane : en
  • US2298218A - Pillow and similarly cushioned article : en
  • FR875906A - Process for preparing or classifying coal and other mixtures of materials of different densities into a thick, easily decomposable slurry : en fr
  • FR875901A - Interlocking device for electrically operated motor vehicle systems, in particular for horn and signalers : en fr
  • FR875957A - Improvements to the assembly of machines on their base : en fr
  • GB548383A - Improvements in or relating to booster pumps and fuel systems for aircraft employing the improved booster pumps : en
  • US2298260A - Method of preparing cellulose derivatives and product obtained thereby : en
  • AU157341A - Improvements in or relating to filters for the filtration of fluids : en
  • CA407786A - Railway car underframe : en fr
  • CA407893A - Pump priming means : en fr
  • FR875858A - New cleaning process for textile products, fibrous materials, clothing, spongy materials, metal pieces or shavings : en fr
  • FR875934A - Automatic lighter : en fr
  • DE726072C - Band to hold half masks on the hood for aviators : de en
  • DE725291C - Process for the preparation of symmetrical and asymmetrical polymethine dyes : de en
  • DE726040C - Fire lighter from several burners with different burn times : de en
  • US2297785A - Terminal for electrical conductors : en
  • US2297924A - Mercury switch : en
  • US2298016A - Rotary scrubber and method of scrubbing ore : en
  • US2298171A - Slide fastener construction : en
  • US2298176A - Swivel unit : en
  • GB548305A - Improvements in and relating to electrical apparatus, e.g., electric transformers : en
  • US2298001A - Ironing table structure : en
  • US2297694A - Washing machine : en
  • US2298149A - Continuous heating furnace : en
  • DE726051C - Vacuum vessel with rotating parts arranged inside, in particular Roentgen tubes with rotating anode : de en
  • DE726073C - Gas protective mask with speech device : de en
  • DE726204C - Moldings with precious metal coatings : de en
  • DE726314C - Device for the repeated playback of any point in a record recording on speaking machines : de en
  • GB548277A - Improvements in or relating to detonating devices for aircraft pyrotechnic devices, bombs and the like : en
  • DE726226C - Electrically heated tiled stove : de en
  • FR875967A - Discharge tank filled with gas or vapor, in particular mercury vapor rectifier : en fr
  • FR875864A - New product usable as filament, film, leather, sponge, artificial rubber, and its manufacturing process : en fr
  • FR875883A - Advanced duplicator machine : en fr
  • GB548340A - Improvements relating to pre-fabricated portable huts, sheds, houses and the like : en
  • DE726260C - Receiver with a device for eliminating clicks : de en
  • US2297767A - Electroautomatic advertising machine : en
  • US2298114A - Spark gap device : en
  • AU190441A - Improvement in hatmaking apparatus and method of operating same : en
  • FR875860A - Method and devices for taking 3D cinematographic pictures : en fr
  • DE726200C - Feed water heater : de en
  • FR51501E - : fr
  • FR875946A - Device for automatically rotating, relative to their seat, indirectly controlled valves of internal combustion engines with valve distribution : en fr
  • DE726310C - Electric trigger for safety gears on shaft conveyor systems : de en
  • DE726258C - Key-controlled device for the production of punched tape for telegraphic punched tape transmitters : de en
  • US2298230A - Cushioning pedestal : en
  • DE726031C - Oil spray emulsifiable with water, fungicidal and insecticidal : de en
  • GB548449A - A new or improved label holder for use on steel shelving and the like : en
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