• US2039611A - Process and apparatus for cracking oil : en
  • US2039309A - Oil burner pumping unit : en
  • US2039991A - Typewriter : en
  • CA357574A - Oil or gasoline barrel lock : en fr
  • US2039595A - Method of treating hydrocarbon motor fuels : en
  • US2039899A - Handle connecter : en
  • CA357637A - Line casting machine : en fr
  • DE629701C - Drive for bogies of railway vehicles : de en
  • GB446682A - Improvements in or relating to mechanical stackers : en
  • US2039906A - Strip feed mechanism : en
  • US2039635A - Apparatus for connecting wires : en
  • CA357683A - Strip coiler : en fr
  • US2039320A - Golf club joint : en
  • US2039513A - Traction wheel unit : en
  • US2040050A - Combined photographic camera and distance meter : en
  • US2039823A - Combination storage device : en
  • FR797773A - Improvements to cooling devices for ice cream dispensers : en fr
  • FR798018A - Illuminated notepad with advertising combinations : en fr
  • GB446825A - Improvements relating to the loading, unloading and storage of goods : en
  • DE629521C - Circuit arrangement for telecommunication systems, in particular telephone extension systems : de en
  • FR797884A - Electric motor driven sewing machine : en fr
  • CA357600A - Explosive igniter : en fr
  • DE629524C - Process for the decomposition of hydrocarbon oils under pressure : de en
  • DE629549C - Hand-operated gas-electric burner for heat transfer : de en
  • GB446703A - Process for the manufacture of phenyl mercury nitrates : en
  • GB446918A - Improvements relating to telephone systems : en
  • DE629706C - Horseshoe-like permanent magnet : de en
  • DK51600C - Scale for Radios. : da en
  • FI17039A - Spring bottom lifting device for the bottom of a double leech sofa : en fi
  • GB446698A - An hermetically sealable chamber, shelter or the like : en
  • US2039313A - Apparatus for protecting sliced bread against mold : en
  • US2039863A - Method of and apparatus for evaluating electrical service : en
  • US2039340A - Electric condenser construction : en
  • FR798117A - New phonogram, and process for its photoelectric sound reproduction : en fr
  • GB446810A - Improvements in respiratory equipment particularly for gas masks and the like : en
  • US2039405A - Remote metering system : en
  • US2039768A - Vegetable hydrating apparatus : en
  • FR797880A - Permanent magnet with pole shoes : en fr
  • FR797984A - Process for obtaining drinking water from seawater : en fr
  • US2039638A - Air inflater mechanism : en
  • DE629473C - Process for the production of light hydrocarbons from heavy hydrocarbon oils : de en
  • GB446847A - Improvements relating to yarn winding and like machines : en
  • GB446856A - Improvements in braking devices for trailer vehicles : en
  • US2040054A - Lead bronze composition : en
  • US2040063A - Direct action shock absorber : en
  • US2039437A - Dispensing carton : en
  • US2039816A - Well drilling apparatus : en
  • AU2239335A - Improvements in or relating to radio and like modulated carrier wave receivers : en
  • US2039443A - Surgical knife : en
  • US2039698A - Rotary pump : en
  • US2039355A - Spectroscopic monochromator : en
  • FR797956A - Elevator control system for airplanes, seaplanes and the like : en fr
  • US2039594A - Cleaning device : en
  • US2039295A - Antenna heating : en
  • DK51605C - Procedure for Nuance in the Production of Film Images. : da en
  • DE629494C - Cottonsock : de en
  • US2039333A - Protractor : en
  • US2039439A - Wringer : en
  • US2039522A - Orchard protective system : en
  • US2039630A - Selective switch : en
  • US2039743A - Infusible molded product : en
  • FR798130A - Rolling container with immobilizer : en fr
  • US2039789A - Hair curling device and method of curling the hair : en
  • US2039687A - Pencil sharpener : en
  • CA357532A - Explosive igniter : en fr
  • DE608515C - Overlock sewing machine with automatically driven feed bowls : de en
  • CA357544A - Alternating current generator : en fr
  • US2039535A - Lower unit for outboard motors : en
  • CA357549A - Organic compound production : en fr
  • AU101478B2 - Improvements in or relating to thermionic valves andthe like : en
  • US2039555A - Process for forming tetrathionate : en
  • CA357598A - Mixed alcohol : en fr
  • FR798041A - New anthraquinone vat dye and its manufacturing process : en fr
  • FR797783A - Process for preparing black sulfur dyes : en fr
  • GB446859A - Apparatus for playing table games : en
  • US2039660A - Laundry machine : en
  • US2039290A - Production of highly acetylated cellulose acetates : en
  • US2039491A - Match packet and method of : en
  • US2039911A - Manufacture of fur or felt hats : en
  • US2040040A - Morpholino-metho polyhydric phenols : en
  • US2039495A - Speed governor : en
  • USD99500S - Design for a combined air condition : en
  • CA357538A - Rotary compressing and expanding machine : en fr
  • CA357606A - Hose coupling : en fr
  • GB446685A - Improvements in sleeve valve operating gear for two stroke internal combustion engines : en
  • FR798106A - Organic compounds containing acid groups capable of giving rise to salts and process for preparing such compounds : en fr
  • GB446912A - The manufacture of new products for use in the textile and like industries : en
  • US2039707A - Process of making a helical gear : en
  • DE629715C - Vending machine for several stacks of goods : de en
  • FR797754A - New improvements to planetary type mechanisms : en fr
  • GB447042A - Improvements in or relating to control devices : en
  • GB446901A - Improvements in or relating to knitting machine pattern control mechanism : en
  • FR797965A - Eccentric pedal for bicycle : en fr
  • DE629545C - End cap for cable termination insulators : de en
  • GB446880A - Improvements in and relating to fastener members and their method of manufacture : en
  • DE629554C - Device for returning the peeling tools to asparagus peeling machines : de en
  • CA357630A - Buffer plate : en fr
  • FR798028A - Tool holder device, for eccentric machining of parts on machine tools, spindles, metalworking : en fr
  • GB447324A - Improvements in controls for superchargers on aircraft : en
  • GB446609A - Improvements in endless tracks for vehicles : en
  • US2039516A - Apparatus for indicating a nonoperative condition of vehicle lights : en
  • US2040064A - Treating hydrocarbon oils : en
  • AU2379135A - Improvements in spring mattress beds : en
  • CA357603A - Therapeutic illumination : en fr
  • FR798045A - Device for mounting snow chains on wheels fitted with tires : en fr
  • GB446960A - Improvements in or relating to welded girders : en
  • DE629551C - Sickbed : de en
  • US2039881A - Power unit for individual lubricant guns : en
  • GB446637A - Improvements in and relating to bait : en
  • US2039825A - Labeling machine : en
  • US2039344A - Method of making tertiary alkyl phenols : en
  • US2039624A - Liquid dispensing device : en
  • US2039854A - Electroacoustic device : en
  • US2039926A - Ice pick : en
  • US2039943A - Locked safety joint : en
  • US2039666A - Volume control for reflex circuits : en
  • DE629584C - Electric high-voltage switch with arc extinguishing by a flowing extinguishing agent : de en
  • US2039303A - Manufacture of artificial materials : en
  • US2039499A - Strain yoke for electrical conductors : en
  • CA357708A - Motor vehicle : en fr
  • DE629717C - Flexible pipe connection in which the two pipe ends are connected by a corrugated pipe equalizer : de en
  • FR797834A - Improvements to spinning pins : en fr
  • FR798084A - Process for improving asphalts : en fr
  • FR798095A - Improvements to sprayers for gasification of heavy oils : en fr
  • US2039455A - Window for vehicle doors : en
  • US2039625A - Acoustic device : en
  • US2039964A - Safety guard mechanism for power driven presses and other machines : en
  • DE629483C - Resilient pulling and pushing device, especially for central buffer couplings of vehicles : de en
  • DE629594C - Process for the production of dextrin dry adhesives : de en
  • GB446887A - Improvements in or relating to electric switching devices particularly adapted for use in electric motor control systems : en
  • FR798141A - 2.4-dinitro-3.6-dihalogenanilines and process for their preparation : en fr
  • GB446592A - Improvements in and relating to printed fabrics and methods of printing the same : en
  • FR798118A - Method and apparatus for threading or grinding threaded surfaces : en fr
  • US2039479A - Elevator signal system : en
  • US2039568A - Elevator signal apparatus : en
  • DE629753C - Roller briquette press for briquetting brown coal and brown coal semi-coke : de en
  • DE629592C - Process for the corrosion protection of metallic materials : de en
  • US2039711A - Grinding machine and method : en
  • US2039868A - Shoe press heating device : en
  • GB446789A - Improvements in the manufacture of stuffing material for upholstery and like purposes : en
  • GB446798A - Improvements in fire-extinguishing devices : en
  • FR797826A - Method and device for rapid connection between a large number of terminals controlling electrical circuits : en fr
  • GB446705A - Grinding and polishing apparatus for tools and other articles : en
  • GB446643A - Improved screw fastenings, particularly nuts and bolts : en
  • US2039372A - Insulator : en
  • GB446796A - Improvements in and relating to carrier bags and the like : en
  • US2039736A - Refrigeration : en
  • FR797866A - Color photography process : en fr
  • US2039346A - Window ventilator : en
  • GB446804A - Improvements in or relating to oscillatory circuit arrangements : en
  • FR797939A - Improvements to lighting installations and their provision in enclosures or vehicles : en fr
  • US2040002A - Universal joint : en
  • USRE19959E - Gas burner : en
  • DE629501C - Resilient loading device for slide : de en
  • FR797944A - Advanced carding : en fr
  • US2039530A - Finger protector for cigarette smokers : en
  • CA357536A - Electrode for electric arc welding : en fr
  • CA357585A - Metal casting apparatus : en fr
  • US2039985A - Musical instrument : en
  • US2039521A - Tractor lug : en
  • US2039554A - Vehicle wheel for dual demountable rims : en
  • FR797753A - Improvements to planetary type transmission mechanisms : en fr
  • FR797768A - Incandescent lamp, and luminous body particularly intended for use in this lamp : en fr
  • DE629654C - Rotary piston machine with elliptical, cylindrical pistons running towards one another : de en
  • GB446855A - Improvements in and relating to slide chairs for railway switch points : en
  • GB447120A - Improvements in and connected with the pickling, swilling, washing or other liquid treatment of metal rods, tubes, bars and the like : en
  • DE629699C - Process for the preparation of benzene series diamino alcohols : de en
  • DE601264C - Electric multiplication typewriter : de en
  • US2039599A - Reactionless valve : en
  • CA357605A - Game article : en fr
  • US2039413A - Telephone line : en
  • US2039718A - Caliper gauge : en
  • USD99505S - Design for a shoe : en
  • US2039506A - Testing or proving gas or fluid meters : en
  • US2039939A - Combined luggage carrier and seat : en
  • US2039442A - Process and device for the handling of planted seeds : en
  • FR797918A - New anthraquinone series dyes : en fr
  • FR797975A - Improvements to devices used to produce artificial respiration : en fr
  • DE629369C - Process for extinguishing coke using waste water : de en
  • GB446865A - Improvements in and relating to chimneys : en
  • FR797989A - Wheels more particularly applicable to aircraft landing gear : en fr
  • GB446823A - Improved method of and means for mounting lenses, reflecting surfaces and the like for grinding and polishing : en
  • GB447187A - Process for the production of moulding powders : en
  • US2039297A - Separating phosphorus : en
  • US2039782A - Game apparatus : en
  • GB446925A - Improvements relating to electrical junction and distribution boxes : en
  • CA357578A - Funnel : en fr
  • US2039429A - Oven and the like with heat circulating means therefor : en
  • US2039323A - Lip stick : en
  • USD99544S - Design fob a camera ob similar : en
  • CA357705A - Receptacle : en fr
  • GB446603A - Improvements in brake mechanism for bicycles and like vehicles : en
  • US2039880A - Amalgam filling for teeth : en
  • USD99512S - Design for a battery box : en
  • US2039690A - Fin tube manufacture : en
  • US2039751A - Air brake system and bleeder valve therefor : en
  • US2039445A - Tunnel kiln : en
  • US2039645A - Treatment of sulphur bearing ores : en
  • FR798029A - Labeling machine for cylindrical bodies moved upright, for example bottles : en fr
  • GB446828A - Manufacture of 2-amino-3-bromo-anthraquinone-sulphonic acid : en
  • CA357704A - Foldable stretcher : en fr
  • AU2280735A - Improved process forthe manufacture of salad dressings : en
  • USD99517S - Design foe a belt for personal : en
  • US2039531A - Telescopic tire building drum : en
  • US2039641A - Immersion heater : en
  • DE629516C - Leno heald : de en
  • GB446980A - Improvements in or relating to the manufacture of artificial silk, fibres, films and the like : en
  • US2039332A - Game : en
  • AU2239435A - Improvements in or relating to radio and like modulated carrier wave receivers : en
  • GB447057A - Improvements in or relating to pump-injector apparatus for internal combustion engines : en
  • CA357533A - Electro-plating process : en fr
  • DE629754C - Knitting device with square knitting fans : de en
  • USD99510S - Design for a heater : en
  • GB446801A - Improvements relating to glazed refrigerating cabinets for foodstuffs : en
  • CA357547A - Coating and stripping process : en fr
  • FR797850A - Process for obtaining a permanent decorative effect on fabrics : en fr
  • FR798043A - Tenders and automatic fire control devices for locomotives : en fr
  • FR798075A - Exhaust and fuel system for internal combustion engines : en fr
  • DE616693C - Lubrication for vehicle engines with a vertical crankshaft : de en
  • DE629485C - Loud speaking electromagnetic telephone : de en
  • FR798098A - Process for separating mixtures of liquid hydrogen carbides into their parts using selective solvents : en fr
  • FR798086A - Accumulator battery : en fr
  • US2039319A - Blank-making machine : en
  • CA357628A - Railway traffic controlling system : en fr
  • US2039982A - Molding and movable base receptacle : en
  • US2039280A - Apparatus for treating fruit and the like : en
  • DE629692C - Device for maintaining a steady gas flow for chemical and biological work : de en
  • DE629476C - Device for the treatment of body parts or the like by means of artificially generated fast electrons : de en
  • DE629566C - Device for serial photography : de en
  • DE629696C - Rotary filter built into a pressure housing : de en
  • GB446974A - Improved bicycle stand : en
  • US2039683A - Traffic marker : en
  • US2039609A - Spinning toy : en
  • US2039746A - Butt-weld pipe : en
  • US2039578A - Polishing wheel : en
  • US2039772A - Electric radiation device : en
  • DE629502C - Flash lamp : de en
  • DE629660C - Reversible X-ray examination and recording table : de en
  • DK51609C - Security key. : da en
  • FR798136A - Stringed musical instrument, harp type : en fr
  • CA357689A - Furnace grate : en fr
  • DE629510C - Press cushions for gluing the sole to the upper of footwear : de en
  • FR797985A - Improvements in fiber refining and refiners for this : en fr
  • US2039658A - Liquid dispensing device for bottles : en
  • GB446958A - Improvements relating to mechanism for producing accurately spaced divisions on cylindrical work pieces : en
  • GB447090A - A process of dyeing or printing acetyl cellulose : en
  • FR798059A - Metal cap for electric heaters and similar devices : en fr
  • GB446976A - Process of treating fibrous materials : en
  • DE629517C - Process for operating a chamber furnace system for the production of gas and coke : de en
  • GB446597A - Improvements in tyre treads and covers and other rubber articles having non-slip surfaces : en
  • GB446902A - Improvements relating to the apparatus used in hospitals and other like institutions for cleansing bed pans and for other like purposes : en
  • US2039860A - Vacuum cleaner : en
  • US2039862A - Vacuum cleaner : en
  • US2039277A - Dough machine attachment : en
  • US2039996A - Electrical and other connecters : en
  • CA357580A - Electric power transmission : en fr
  • FR798072A - Steam burner : en fr
  • US2039979A - Distillation of hydrocarbon oils : en
  • GB446867A - Improvements in or relating to dinner or tea-waggons : en
  • GB446808A - Improvements in or relating to electric motor control systems : en
  • FR797769A - Spinning regulator : en fr
  • FR797999A - Electrolytic coulombmeter : en fr
  • FR797761A - Rubber watch strap : en fr
  • DE629567C - Trigger device for photographic shutters : de en
  • GB447122A - Improvements in machines for fastening papers together by crimping : en
  • DE629740C - AC circuit breaker with switching chamber containing liquid : de en
  • GB447118A - Improvements relating to the brake mechanism of railway vehicles : en
  • GB446728A - Improvements in or relating to means for connecting the bearing parts of connecting-rod heads : en
  • GB446935A - Improvements in telephone systems : en
  • CA357710A - Game device : en fr
  • US2039888A - Radio receiver : en
  • US2039373A - Nipple for nursing bottles : en
  • GB446624A - Process for the production of depolarising compositions from native manganese dioxide, e.g. pyrolusite : en
  • GB446929A - Improvements in electric hot plates and grillers : en
  • DE629523C - Roller bearing for double rotor electric motors : de en
  • GB446885A - Improvements in and relating to machines for blowing glass bulbs from tubing : en
  • US2039913A - Brief case : en
  • FR797886A - Die casting machine : en fr
  • US2039977A - Insulation : en
  • US2039843A - Work supporting table : en
  • DE629480C - Procedure for switching between periodically changed cold storage tanks : de en
  • DE629727C - A pitched roof that repels aircraft bombs and is arranged over the house roof as an air raid roof skin : de en
  • FR797832A - Device for absorbing harmful gases from a shelter : en fr
  • FR797954A - Automatic transmission : en fr
  • FR797815A - Process for the production of 1-methyl 4-isopropyl 2-oxybenzene derivatives by coupling this oxycarbon with organic acids : en fr
  • DK51598C - Cinematographic apparatus. : da en
  • GB446973A - Improvements in mortice latches : en
  • FR797932A - heat exchanger for water heaters : en fr
  • FR798128A - Improved carbon for optical projection apparatus of the electric arc type, and apparatus incorporating application thereof : en fr
  • US2039460A - Motorbus construction : en
  • FR797972A - Aeronautical toy : en fr
  • IE13941L - Manhole covers : en
  • FR798114A - Bay closure : en fr
  • GB446608A - Improvements relating to the centrifugal separation of materials : en
  • US2039765A - Electrical signaling device : en
  • US2039415A - Practically tasteless quinine com : en
  • USRE19954E - Explosionproof mining apparatus : en
  • FR798132A - Method of processing carbon-based electrode elements : en fr
  • GB446611A - Improvements in systems for signalling over electric distribution networks : en
  • GB446761A - Improved process of briquetting finely divided fuels and apparatus therefor : en
  • GB447109A - Improvements in or relating to the sensitisation of photographic emulsions : en
  • FR797854A - Automatic adjustment device for radio receivers : en fr
  • FR797765A - fuel saver : en fr
  • FR798057A - Thermal machine for making edible ice cream : en fr
  • US2039940A - Preventive inoculation, more particularly for peritonitis : en
  • US2039381A - Reduction of viscosity of cellulose nitrate : en
  • US2039788A - Garment pressing machine : en
  • FR797858A - Process for obtaining oxygenates from cerium : en fr
  • GB446800A - Improvements in and relating to gas holders : en
  • DE497590C - Injection carburetor : de en
  • FR798007A - Improvements to fasteners for cylinder heads : en fr
  • GB447089A - Improvements in list-feeding and impression mechanism for addressing and like series-printing machines : en
  • DK51602C - Apparatus for deacidifying milk, milk products and dairy waste by treatment with electric currents. : da en
  • DE629674C - Method and device for purifying tobacco smoke : de en
  • FR797906A - Chain pipe clamps : en fr
  • FR798082A - Process for separating weak gaseous acids and ammonia : en fr
  • FR798145A - Aspiration gasifier without grid : en fr
  • FR797919A - Ellipsoidal projector : en fr
  • GB447037A - Improvements in the manufacture and production of n-substitution products of 1.4-diaminoanthraquinones : en
  • DE629570C - Device for generating pictures, drawings or the like, in particular for the production of animated films : de en
  • US2040029A - Combination beach robe and rug : en
  • DE629748C - Drive device for the throttle valves of multiple carburetors : de en
  • GB446596A - Improvements relating to carriers for cartridge fuses as used, for example, in electric cutouts and disconnecting boxes : en
  • US2039834A - Apparatus for treating wool or other material : en
  • US2039627A - Bead wrapping machine : en
  • USD99511S - Design fob a buckle : en
  • FR798146A - Lawn mower : en fr
  • US2039643A - Container opener : en
  • USD99535S - Design for a textile fabric : en
  • GB446620A - Method of and means for compressing the fuel mixture in fourstroke cycle internal-combustion engines : en
  • FR797979A - Improvements to piston machines : en fr
  • FR798120A - Zinc sulfide pigment manufacturing process : en fr
  • US2039986A - Watering tube device for packaged plants, shrubs, etc. : en
  • GB446621A - A process for manufacturing benzine with a high anti-knock value from benzine with alow anti-knock value : en
  • FR797890A - Improvements to railway safety devices, such as points, signals or barriers : en fr
  • FR798122A - Further training in cameras : en fr
  • FR798107A - Mixed Acid Dyes of the Benzidine Series and Method of Preparation : en fr
  • IE13680L - Table jellies : en
  • DE629603C - Circuit for block systems : de en
  • FR798014A - Polishing process : en fr
  • CA357647A - Electrolytic condenser : en fr
  • FR797775A - Roll of wallpaper and device to establish it : en fr
  • FR797968A - Process and mechanical installation for the manufacture of paper containers : en fr
  • FR798102A - Improvements to carding hats : en fr
  • GB446723A - Improvements in the manufacture of esters of cellulose : en
  • FR797779A - Process for the manufacture of viscose fibers suitable as replacement fibers for wool : en fr
  • CA357634A - Vehicle control mechanism : en fr
  • FI17038A - Hella frying or baking sheet : en fi
  • AU2234735A - Improvements in apparatus for feeding molten glass : en
  • FR798010A - Process for preparing carbon black : en fr
  • FR798073A - Permanent magnet for stator or rotor of small electrical machines : en fr
  • CA357556A - Coin collector : en fr
  • CA357658A - Line composing machine : en fr
  • FR797805A - Method and device for protecting radiotelegraph communications against interference produced by noise : en fr
  • FR797846A - Safety device for tanks for flammable liquids intended for shelters : en fr
  • GB455373A - Piece of jewellery : en
  • US2039735A - Synchronized talking picture system : en
  • US2039901A - Dental, medical, and hospital anesthesia apparatus : en
  • GB446900A - Coin-freed amusement device of the crane type : en
  • GB446915A - Improvements in relating to the exhaust silencers of internal combustion engines : en
  • DE629658C - Lighting system, consisting of electric discharge tubes, and process for their production : de en
  • DE629667C - Propeller circulation pump for a hot water heating system : de en
  • GB446779A - Combined ventilating device and tobacco-ash receptacle for the interior of closed vehicles : en
  • GB446853A - Improvements in fibrous material and method of making same : en
  • FR798000A - Track signal recording and repetition system on locomotives and railcars : en fr
  • GB446979A - Improvements in automatically variable change-speed gearing : en
  • FR798003A - High speed boat : en fr
  • FR798077A - Safety tire : en fr
  • US2039528A - Scale : en
  • US2039859A - Container : en
  • USD99494S - Design for a knitted pile fabric : en
  • FR797845A - Improvements to toy vehicles : en fr
  • USRE19958E - Quick change splicing device : en
  • US2039548A - Method of decorating enameled ware : en
  • CA357535A - Water processing : en fr
  • FR798038A - Monoazo dyes and their preparation process : en fr
  • US2039339A - Thermostat for scales : en
  • CA357551A - Cellulose production : en fr
  • FR798035A - Furnace lining with refractory lining : en fr
  • GB447052A - Improvements in or relating to apparatus for controlling the temperature of fluids applicable to the cooling of air : en
  • FR797762A - Steel composition for the manufacture of articles which do not undergo any seizure treatment : en fr
  • CA357559A - Rug wool loop cutting implement : en fr
  • US2039730A - Color-forming developer : en
  • US2039745A - Combination screen and awning : en
  • US2039557A - Automatic release device for phonograph records : en
  • US2039841A - Method for working substances : en
  • US2039878A - Apparatus for finding the course along any definite great circle : en
  • US2039778A - Vegetable grater : en
  • FR797986A - Conveyor device : en fr
  • FR797848A - Ignition ramp for internal combustion engines : en fr
  • GB446716A - A process for the manufacture of oils and paraffin wax : en
  • US2039783A - Sanitary cabinet for house pets : en
  • CA357560A - Rug making needle : en fr
  • CA357617A - Colour photography : en fr
  • CA357620A - Photographic gelatin emulsion : en fr
  • DE629541C - Entering machine for Morse code with disc-shaped stencils, on which the Morse code continuously forms a spiral and actuates the contact picker working in the sense of a Morse key in a mechanical way : de en
  • FR798113A - Device for removing and reinstalling the middle roll of three rolling mills : en fr
  • FR797873A - Propeller for propelling vehicles, in particular aircraft with a device for automatic pitch variation : en fr
  • GB446981A - Improvements in or relating to the production of moulded articles : en
  • DE629550C - Electrically driven small fan : de en
  • CA357561A - Acidolphilus milk production : en fr
  • CA357571A - Urea manufacture : en fr
  • US2039558A - Hair-waving apparatus : en
  • DE629576C - Exchange pen : de en
  • CA357678A - Dispensing container : en fr
  • CA357632A - Mineral recovering machine : en fr
  • GB446957A - Improvements in and relating to air and like distributors for use in hair drying : en
  • AU2470735A - Improvements in interlocked guards for power presses and the like : en
  • GB446683A - Improvements in or relating to telephone systems : en
  • GB446831A - Improvements in or relating to printers' furniture, chases and the like : en
  • GB447043A - Improvements relating to windscreens : en
  • US2039549A - Carburetor : en
  • AU2244035A - Improvements in or relating tothe preparation of compositions containing urea-formaldehyde condensation products : en
  • US2039667A - Rack or body for wagons and trucks : en
  • US2039983A - Vehicle construction : en
  • US2039307A - Manfuacture of artificial filaments, threads, ribbons, films, and other artificial products : en
  • US2039637A - Electric discharge device : en
  • US2039993A - Automatic quadding and centering device : en
  • GB446827A - Improvements relating to valves and apparatus for use in delivering beer and other liquids : en
  • AU2113435A - Connection system for television tubes : en
  • USD99550S - Design for a toy building log : en
  • GB446931A - Improvements relating to locking means for furniture levelling devices : en
  • CA357587A - Interlocking shingle : en fr
  • US2039468A - Check device for fire doors : en
  • US2039541A - Barbecuing apparatus : en
  • US2039702A - Weeder : en
  • GB446812A - Improvements in laundry nets : en
  • CA357697A - Metal electrodeposition : en fr
  • US2039733A - Electropneumatic brake : en
  • FR797782A - Cinematographic camera : en fr
  • US2039753A - Process of oil-proofing material and product thereof : en
  • FR797882A - Bonus seller-distributor device : en fr
  • CA357570A - Container closure : en fr
  • DE629741C - Induction time relay : de en
  • DK51589C - Procedure for the manufacture of tempered articles. : da en
  • USD99525S - Design for a paper file : en
  • GB446868A - A new or improved pneumatic "sucker" device : en
  • AU2232335A - Transmission method for television transmitters : en
  • GB446709A - Improved method of and mechanism for shaping cigar bunches : en
  • CA357546A - Shot shell : en fr
  • US2039980A - Machine and process for making bags : en
  • GB446806A - Steering-wheel drive for motor vehicles : en
  • US2039648A - Camera for making parallax panoramagrams : en
  • US2039651A - Electrical musical instrument : en
  • GB446780A - Improvements in coin collectors for telephone services and the like : en
  • FR797778A - Automatic electrical switch to prevent fire in motor vehicles and all mobile devices : en fr
  • FR798139A - Spring steel lamellar for clutchless and disengageable lamellar couplings : en fr
  • FR797974A - Improvements to thermionic cathodes : en fr
  • FR797818A - Device for handling stacks of coins : en fr
  • DE629614C - Gas generating plant for driving a gas engine, especially for ship operation : de en
  • DE629618C - Buckle closure : de en
  • GB446701A - Improvements in or relating to tobacco feeding apparatus : en
  • US2039457A - Cutting machine : en
  • US2039818A - Vehicle seat mounting : en
  • GB446667A - Improvements in or relating to apparatus for use in sorting letters or like articles : en
  • FR798108A - Process for obtaining electric fields with sudden variations and high voltage currents for biological and physicochemical uses and apparatus for carrying out this process : en fr
  • GB447054A - A method and device for producing pressed artificial sheet material of a fibrous nature : en
  • CA357655A - Naphthenic acid : en fr
  • CA357712A - Garment folding board : en fr
  • FR798047A - Staged annular tray dryer : en fr
  • FR797868A - Transformer with device to increase dispersion : en fr
  • FR798104A - Device for the suction of molten material in molds, in particular for dental applications : en fr
  • US2039404A - Remote metering system : en
  • GB446857A - Improvements in ships port and cabin lights : en
  • DE629520C - Circuit arrangement for telephone systems : de en
  • GB446939A - Improvements in or relating to motor or power driven hammers : en
  • DE629681C - One or two-sided track brake : de en
  • FR797950A - Improvements to two-stroke engines : en fr
  • FR798065A - Reception setup for television purposes : en fr
  • AU2158835A - Improvements in means for scrubbing air for use in airconditioning plants : en
  • GB446916A - Improvements in means for holding stacked plates and/or saucers in position in picnic outfit cases, or in other positions : en
  • US2039942A - Internal combustion engine and fuel pump apparatus therefor : en
  • US2039399A - Vessel : en
  • US2039781A - Flexible metal tube : en
  • DE629675C - Process for keeping plates clean in plate ovens, especially for lignite : de en
  • US2039364A - Protective coating : en
  • US2039298A - Cigarette mouthpiece : en
  • US2039342A - Spring element : en
  • US2039441A - Treatment of hydrocarbon gases : en
  • FR798031A - Labeling device for cylindrical bodies moved upright, for example bottles : en fr
  • US2039876A - Automatic lathe : en
  • US2039921A - World time chart : en
  • DE629759C - Corrosion-resistant chrome-nickel-iron alloy : de en
  • DE629415C - Process for the production of a nutritional provitamin Dreichen yeast : de en
  • DE629678C - Device for knotting thread ends : de en
  • FR797894A - Improvements to large opening gusseted bags : en fr
  • GB446707A - Television receiving circuit : en
  • GB446894A - Improvements in or relating to alloys for permanent magnets : en
  • US2039929A - Process for the manufacture of 2-keto-levo-gulonic acid and product thereof : en
  • DE629707C - Discharge device with mercury vapor filling and an externally heated glow cathode : de en
  • FR797839A - Automatic gear shifting : en fr
  • FR798147A - Pipe fittings, with special joining devices : en fr
  • US2039560A - Cosmetic holding device : en
  • US2039692A - Dust collector : en
  • DE629665C - Removable carpet holder on knocking bars : de en
  • FR797881A - Rope sole for the espadrille whose rope is left bare on the front and whose back is coated by vulcanization of a rubber reinforcement forming a heel : en fr
  • DE1372630U - : de en
  • DE629710C - High-frequency induction furnace with interlaced, liquid-cooled primary winding : de en
  • FR797978A - Toy plane that can be used as a teaching object : en fr
  • FR798058A - Article presenting textile products to customers : en fr
  • USD99513S - Design for a battery box : en
  • DE629569C - Water-cooled film carrier for cinema playback machines : de en
  • FR798008A - Device for blocking the wheels of automobiles, particularly the rear wheels of trucks : en fr
  • GB446784A - Improvements in or relating to knitted fabrics : en
  • FR797990A - Improvements made to machines, particularly airplanes, fitted with an automatic fire hydrant : en fr
  • FR797896A - Astatic electric adjustment device : en fr
  • FR797907A - Improvements in sand casting and similar operations : en fr
  • FR797929A - Device for instantaneous shutdown of electrically operated work machines : en fr
  • GB446934A - Improvements in spirit levels or angle indicators : en
  • GB446778A - Improvements in or relating to thermionic valve circuits : en
  • US2039649A - Treatment of fabrics : en
  • US2039813A - Retractable landing gear : en
  • US2039794A - Basketball practice ring : en
  • US2039700A - Manifolding machine : en
  • DK51606C - Procedure for Viewing Movie Images. : da en
  • US2039501A - Trunnion clamp for conductors : en
  • GB446920A - Improvements in or relating to apparatus for playing golf : en
  • US2039907A - Firearm sight construction : en
  • US2039390A - Preparation of monoalkylnaphthylamines : en
  • GB446881A - Improvements in or relating to bicycle frames : en
  • DE629756C - Wire straightening device : de en
  • GB446906A - Manufacture of symmetrical di-(arylamino)-hydroxybenzenes : en
  • US2039592A - Telephone system : en
  • US2039852A - Lapping method and apparatus : en
  • DE629548C - Device for speed control of a generator from which synchronous clocks are fed : de en
  • FR798126A - High chip yield lathe : en fr
  • DE629126C - Machine for applying thin, narrow bands around one end of packs : de en
  • US2039511A - Lubricator : en
  • CA357597A - Machine base : en fr
  • GB446858A - Brake-shoes : en
  • US2039425A - Machine for making sanitary napkins : en
  • US2040061A - Quaternary ammonium compounds : en
  • GB446882A - Improvements in or relating to lighting equipment and the arrangement thereof in enclosures or vehicles : en
  • GB446949A - Improvements in or relating to the production of esters of cellulose : en
  • US2039378A - Power transmission : en
  • FR797908A - Titanium anhydride treatment process : en fr
  • US2039657A - Supersonic heterodyne receiver : en
  • US2039796A - Chilling apparatus : en
  • US2039469A - Lubricating system : en
  • FR797859A - Process for continuously obtaining, under pressure, intimate mixtures of liquids and gases and apparatus for carrying out the process : en fr
  • GB446763A - Improvements relating to shower baths : en
  • FR797827A - Single-head mixer tap with concentric and selected control keys : en fr
  • GB446841A - Improvements in or relating to suction cleaners : en
  • FR797876A - Forced current tubular steam generator : en fr
  • DE629348C - Automatic drilling machine, especially for drilling holes of great depth : de en
  • DK51585C - Scraper for Load Cutting Machines. : da en
  • DE629528C - Device for copying explanatory titles into sound films : de en
  • DE629605C - Device for the rhythmic switching of two antenna circuits of a flicker DF receiver : de en
  • DE629693C - Reefer : de en
  • DE629533C - Lying lead cable press : de en
  • US2039276A - Fruit and vegetable washer : en
  • US2039819A - Sparking gyroscope : en
  • US2039798A - Treatment of hydrocarbon oils : en
  • GB446759A - Improvements in and relating to closures for bottles, cartons and the like : en
  • GB446898A - Improvements relating to cooking stoves : en
  • US2039492A - Semitrailer : en
  • US2039626A - Stripping apparatus : en
  • FR798061A - Process for removing waxy materials from mineral oils : en fr
  • GB446795A - Improvements relating to the repair and anchorage of telegraph poles and the like : en
  • IE13830L - Milling : en
  • US2040021A - Dial timing mechanism for circular knitting machines : en
  • CA357579A - Oil treatment and transportation : en fr
  • CA357589A - Roofing surfacing process and apparatus : en fr
  • CA357696A - Airscrew nose cap connecting means : en fr
  • US2039701A - Brake controlling means : en
  • US2039894A - Process of improving motor fuels : en
  • CA357672A - Piston : en fr
  • CA357618A - Film processing : en fr
  • US2039411A - Separation of gases from liquids : en
  • US2039650A - Telephone system : en
  • US2040011A - Gas range or similar appliance : en
  • US2039922A - Lap tray : en
  • USD99530S - Design for a chair : en
  • US2039579A - Hardness tester : en
  • CA357662A - Anti-friction bearing : en fr
  • US2039283A - Method of making shaped hosiery : en
  • US2039416A - Cutter chain : en
  • AU2154235A - Improvements inm mechanical coursing apparatus : en
  • AU2239735A - Casing for sound and image receivers with cathode ray tubes and fitted loudspeaker : en
  • GB446928A - Electric cooker : en
  • USD99546S - Design fob a gasoline dispensing : en
  • AU2444535A - Face bit : en
  • CA357573A - Vitreous article manufacture : en fr
  • CA357652A - Coloured glass manufacture : en fr
  • FR797821A - Device for the production of artificial ice : en fr
  • FR797833A - Catapult launching tunnel : en fr
  • FR797953A - Agents for the conservation of green fodder : en fr
  • GB446689A - Contact maker for electric organ actions : en
  • FR797869A - Improvements to the making of hand-crafted rugs : en fr
  • US2039857A - Welding machine : en
  • US2039675A - Foot arch support : en
  • FR797909A - Process for the preparation of ethers-salts of polynuclear oxyketones : en fr
  • GB447060A - Improvements in or relating to knitted fabric and means for producing it : en
  • FR797861A - Process for separating liquid mixtures which may form azeotropic groups : en fr
  • DE629651C - Scraper for floor coverings of confectionery items : de en
  • CA357701A - Tobacco pipe : en fr
  • DE629454C - Magnetic electric igniter : de en
  • GB446600A - Improved construction of illuminated submersible float for use in fishing and other purposes : en
  • DE629503C - Pressure indicator for fire extinguishers with pressurized extinguishing fluid : de en
  • DE629723C - Process for the vitaminization of food : de en
  • FR797883A - Tank stabilizer device, for ships : en fr
  • FR797910A - Tumble dryer : en fr
  • CA357703A - Rail fastener : en fr
  • US2039797A - Hydrocarbon oil conversion : en
  • USD99520S - Design for a bedstead : en
  • CA357667A - Steering gear safety device : en fr
  • CA357622A - Sensitive photographic element : en fr
  • DE629440C - Method and device for determining apparent performance : de en
  • US2039589A - Switching device : en
  • US2039370A - Welting and shoemaking therewith : en
  • US2039481A - Refining of natural oleoresin : en
  • US2039803A - Wringer : en
  • DE629688C - Device on wheeled vehicles to protect clothes against soiling from the light dynamo wheel : de en
  • GB446909A - Improvements in or relating to the manufacture of boxes from cardboard or like material : en
  • US2039385A - Container and closure therefor : en
  • US2039795A - Calculating machine : en
  • DE629742C - Process for producing arc-welded seams : de en
  • AU2207835A - Improvements in or relating tothe production of fabrics and articles of wearing apparel : en
  • DE629751C - Process for the production of cigarette paper : de en
  • GB446639A - Improvements in or relating to an apparatus for measuring the frequency of the pulse : en
  • USD99509S - Design fob a liquid dispenser : en
  • GB446704A - Internal combustion engine of the four stroke cycle type for aircraft : en
  • US2039851A - Electric power system : en
  • US2039861A - Vacuum cleaner : en
  • CA357651A - Mineral oil refining process : en fr
  • FR797787A - Strainer filter for all uses : en fr
  • FR798087A - Relaxation oscillating assembly for intersecting lines : en fr
  • US2039669A - Battery terminal : en
  • US2039281A - Filter : en
  • US2039503A - Instrument panel : en
  • US2039864A - Ice depot : en
  • US2039890A - Burner : en
  • US2039488A - Method of forming stones of plastic material and supplying the stones with indicia : en
  • US2039801A - Hydraulic power lift : en
  • US2039865A - Cottonseed delinting machine : en
  • US2039914A - Reduction indicator for rolling mills : en
  • FR797751A - Cylindrical gear : en fr
  • FR797966A - Independent wheel suspension for baby car and light vehicle : en fr
  • FR798056A - Process for preparing mixed polymerization products : en fr
  • US2039518A - Pedal actuated means for pianos for operating simultaneously two keys : en
  • US2039693A - Wire stretcher : en
  • US2039749A - Steering mechanism for motor vehicles : en
  • US2039837A - Insulating and dielectric material for electrical apparatus : en
  • US2039706A - Helical gear and process of making same : en
  • US2039553A - Emergency-brake and gear-shift control : en
  • US2039895A - Hydraulic jack : en
  • FR797943A - Process for obtaining halogenated organic acids : en fr
  • GB447056A - Improvements in or relating to flushing-cisterns : en
  • CA357692A - Box : en fr
  • FR797806A - Signaling improvements for air navigation : en fr
  • GB447121A - Improvements in or relating to gas meters : en
  • GB446805A - Improvements in or connected with powder or vanity cases, cigarette cases and the like : en
  • GB447038A - Improvements in or relating to the production of dyes of the cyanine type : en
  • FR797763A - Process and installation for the manufacture of hardened briquettes, that is to say briquettes which do not soften in fire, starting from coal, especially from clumping coal : en fr
  • FR798016A - Film reel developing apparatus for daylight development : en fr
  • US2039382A - Building construction and clip means therefor : en
  • GB446787A - Improvements in electromagnetically-operated switchgear or the like electrical apparatus : en
  • DE629188C - Hydraulically loaded bearings, especially for machine tools : de en
  • FR797807A - Engine : en fr
  • GB446907A - Improvements in and relating to automatic couplers for railway or like vehicles : en
  • DE629508C - Keyhole protection for safes and safe : de en
  • GB446952A - An improved process of making clinker for the production of cement : en
  • USD99532S - Design for a shoe : en
  • GB446690A - Improvements in or relating to dynamo-electric machines : en
  • DE626285C - Material feed for air conveying systems, especially fine-grained bulk goods, in which the conveying air flow in a nozzle is accelerated in such a way that no air pressure is directed against the incoming material at the feed point : de en
  • FR798060A - Product for washing and maintaining hair : en fr
  • GB446932A - Improvements in or relating to electrically driven clocks or like isochronous devices : en
  • FR797992A - Vertical chamber furnace for the production of gas and coke : en fr
  • GB446622A - Improvements in or connected with bows for stringed musical instruments : en
  • US2039291A - Miner's separating apparatus : en
  • US2039575A - Razor guard : en
  • US2039732A - Fluid pressure brake : en
  • DE629587C - Sub-counting device on flat weft knitting machines : de en
  • DE629596C - Ejection device for pipes produced in continuous production : de en
  • AU2234835A - Improved method and apparatus for producing hollow articles of cylindrical form : en
  • CA357614A - Roll film camera : en fr
  • GB446584A - Manufacture of azo-dyestuffs : en
  • US2039835A - Method of coking hydrocarbons : en
  • DE629518C - Process for the production of mixed cellulose esters : de en
  • GB447117A - Improvements in or relating to thermionic valve amplifiers : en
  • US2039672A - Watch construction : en
  • GB446755A - Process and apparatus for surface hardening metal articles : en
  • CA357590A - Roofing surfacing process and apparatus : en fr
  • FR797920A - Method of knitting fabric, and fabric obtained by this process : en fr
  • US2039642A - Ironing table : en
  • US2039703A - Fluid pressure braking apparatus : en
  • DE629089C - Circuit arrangement for telephone systems with double-directional connecting lines : de en
  • FR797786A - Process for accelerating the hardening of mortars and concrete : en fr
  • GB446732A - Improvements in or relating to telephone systems : en
  • GB446947A - Improvements in and relating to milling and like machine tools : en
  • DE629507C - Spring trained stern for lifeboats : de en
  • DK51586C - Footwear. : da en
  • USD99564S - Design for a desk : en
  • US2039628A - Propeller device : en
  • CA357548A - Supporting clamp : en fr
  • GB446876A - Improvements in or relating to games apparatus : en
  • CA357619A - Photographic gelatin emulsion : en fr
  • DK51587C - Tie holder. : da en
  • USD99496S - Design for a combined cigarette : en
  • AU2240435A - Improvements in or relating to means for pressing the bottoms of shoes : en
  • US2040010A - Repair and anchorage of telegraph poles and the like : en
  • IE13924L - Bitumen sheet lining : en
  • CA357680A - Remote control circuit changer : en fr
  • FR797998A - Assembly comprising a gas-filled electric discharge tube : en fr
  • GB446954A - Improvements relating to anti-dazzle devices for vehicle headlights : en
  • DE629513C - Process for the production of a porcelain-like, cold-binding powder mass : de en
  • DE629733C - Block card index, the card groups of which standing one behind the other between separation cards are provided with removable tabs staggered in a horizontal direction : de en
  • US2039872A - Stool to support molds for casting metal : en
  • US2039952A - Closure : en
  • US2039572A - Magazine grinder : en
  • USD99493S - Design fob a knitted pile fabric : en
  • CA357543A - Radio receiver selector : en fr
  • US2039928A - Artificial eye for dolls : en
  • DE629685C - Electron tubes, in which the supply wires to the individual electrodes of the system are held by several carriers made of insulating material and independent of the pinch foot : de en
  • DE629392C - Adjustable eccentric device for sewing machines : de en
  • DE629680C - Process for the preparation of mixtures of water-soluble alkali or alkaline earth metal / silver thiosulphate complex salts with alkali metal salts : de en
  • DE629702C - Protective device for electrical system parts : de en
  • US2039931A - Hosiery : en
  • US2039356A - Rug scrubbing brush : en
  • CA357581A - Vitreous article manufacture : en fr
  • FR797811A - Method for the study of permeable layers crossed by a borehole : en fr
  • FR798137A - Tanning process : en fr
  • US2039629A - Telegraph repeater : en
  • US2039293A - Building construction : en
  • US2039509A - Electric brake mechanism for auto trucks and trailers : en
  • US2039418A - Dental matrix : en
  • US2039544A - Parking meter : en
  • US2039808A - Adhesive paper and method of making the same : en
  • US2039882A - Fulling mill : en
  • USD99536S - Design for a shoe or similar article : en
  • DE629477C - Process for separating paraffin and / or vaseline from petroleum : de en
  • FR797892A - Ski attachment : en fr
  • US2039779A - Holder : en
  • FR797877A - Improvements in bearings with sliding friction bearings : en fr
  • FR797888A - Small, economical polishing drum for finishing shoe repairs : en fr
  • USD99507S - Design for a cuff link : en
  • US2039569A - Yarn and fabric : en
  • DE629537C - A back and forth movable spray device arranged on a sheet-fed printing machine for spraying freshly printed sheets with liquid solidifying substances : de en
  • USD99506S - Design fob a match cover : en
  • DE629491C - Device for upright winding of conductor material with a rectangular cross-section : de en
  • GB446967A - Improvements in and relating to the production of casein : en
  • DE629557C - Auxiliary device for screw-down valves with presetting : de en
  • US2039691A - Photographic printing apparatus : en
  • FR797856A - Process and construction to ensure the cleansing of the walls of underground galleries : en fr
  • USD99534S - Design for a brassiere vest : en
  • GB446766A - Improvements in air cooling for internal combustion engines : en
  • FR797987A - Electric discharge tube or lamp with directly heated cathode : en fr
  • DE629673C - Ski locking furniture : de en
  • FR798148A - Fan-squeezer-separator : en fr
  • GB446589A - Improvements relating to block signalling systems for railways and the like : en
  • US2039365A - Protective coating material : en
  • US2040038A - Welding method and apparatus : en
  • FR797758A - Reproduction on discs with holes arranged in a spiral : en fr
  • FR798023A - Improvements to dowsing instruments : en fr
  • DE629672C - Safety razor for roller blades : de en
  • DE629600C - Process for the simultaneous production of salts of low-grade chromium and of alkali metal phosphates : de en
  • FR797843A - Device for the ventilation of gas protection shelters : en fr
  • US2039866A - Door hanger : en
  • FR797794A - Manufacturing process of 1-methyl, 4-isopropyl, 2-oxybenzene : en fr
  • FR797924A - Improvements to spacing devices applicable in particular to wheel rims : en fr
  • FR797921A - Improvements made to concentric cables : en fr
  • GB446586A - Improvements in doors or like closure means for cabinets or the like : en
  • USRE19956E - Fitting fob containers : en
  • GB446734A - Improvements in the construction of electrodes for electric discharge devices : en
  • GB446807A - Draining rack for plates and the like : en
  • GB447186A - A combined hearth curb and fireguard : en
  • USD99562S - Arm rest for a couch or similar : en
  • GB446765A - Improved fluorescent materials and fluorescent screens made therewith : en
  • FR798092A - Automatic internal grinding machine : en fr
  • DE629553C - Motor mower with hand guide : de en
  • DE629669C - Eye-catching device for zigzag sewing machines for exhibition purposes : de en
  • FR798027A - Process for manufacturing yarns from long fibers : en fr
  • GB446594A - Compositions for application to the human skin : en
  • DE629189C - Darkroom filter for processing infrared emulsions : de en
  • FR797981A - Test bench for determining the efficiency of the brakes of a motor vehicle : en fr
  • GB446773A - Improvements relating to the laying and raising of parquet flooring : en
  • FR797800A - Undercarriage for airplanes, in particular for gliders : en fr
  • GB446811A - Improvements in machines for removing the flesh from fibrecontaining parts of agaves and like plants : en
  • GB446602A - Improvements in and relating to band or ring-shaped magnetic cores : en
  • GB446629A - Fourdrinier paper making machines : en
  • GB446799A - Improvements in electric discharge lamps : en
  • US2039748A - Hanger structure for meters : en
  • US2039951A - Press chamber controlling means : en
  • US2040068A - Apparatus for preparing soil for seeding : en
  • FR798006A - Improvements to variable or adjustable pitch aerial propellers : en fr
  • FR798032A - Improvements in methods and devices for treating bands or ribbons of artificial silk schappe : en fr
  • GB446726A - Improvements in or relating to indian clubs : en
  • DE628356C - Device for sampling a fabric tape in a photographic way : de en
  • DE629718C - Stuffing box packing with alternating layers of soft packs and rigid body rings : de en
  • GB446888A - Improvements in or relating to electric motor control systems : en
  • US2039458A - Aluminium alloys : en
  • US2039537A - Boiler furnace : en
  • US2039656A - Precipitation of cyanide solutions : en
  • US2039987A - Umbrella : en
  • CA357584A - Metal surface finishing method : en fr
  • DE629431C - Device for marking lengths of fabric on length measuring machines : de en
  • GB446710A - Improvements in or relating to apparatus for coating flexible threads of very small section : en
  • US2039844A - Power transmitting machinery : en
  • GB446730A - Improvements in or relating to pianofortes : en
  • US2039918A - Rubber toy : en
  • US2039714A - Electromagnetic clutch : en
  • FR797793A - Aminocymene manufacturing process : en fr
  • US2039811A - Nonrefillable bottle : en
  • FR797774A - Improvements to envelopes : en fr
  • FR798068A - Production of advanced pigments : en fr
  • GB446769A - Improvements in filing cabinets : en
  • GB446822A - Improvements in crown cork openers : en
  • US2039584A - Drawing instrument : en
  • US2039956A - Automatic toaster : en
  • US2039464A - Apparatus for lowering and handling burial vaults : en
  • FR797801A - Device to measure lung capacity and inhale gas : en fr
  • US2039815A - Rotary pump : en
  • FR797889A - Washing machine improvements : en fr
  • FR798134A - Cooling device for oil bath transformers and similar devices : en fr
  • US2039685A - Refrigerator display case : en
  • US2039848A - Adjustable micrometer crank : en
  • GB446712A - Game apparatus : en
  • US2039417A - Cutter chain : en
  • GB446854A - Improvements in means for admitting and controlling the supply of air to furnaces, burning oil or pulverized coal : en
  • GB446930A - Pliers for inserting socks in boots and shoes : en
  • DE629547C - Timetable apparatus for the electrical control of technical and physical operating parameters, in particular the output of electrical power generators : de en
  • US2039688A - Tomato grading and sizing machine : en
  • FR798142A - Wick burner : en fr
  • FR797927A - Method and devices for producing cavities or gaps in hardening mass bodies : en fr
  • FR798070A - Combined cigarette or cigar holder, ashtray and fire extinguisher : en fr
  • GB446679A - Improvements in or relating to colour photography : en
  • GB446691A - Improvements in and relating to motor vehicles for use as amusement devices : en
  • FR797875A - Induction furnace with several heating circuits : en fr
  • US2039885A - Single dial all wave receiver : en
  • US2039383A - Shirt envelope : en
  • GB446686A - Improved means for feeding molten material into receptacles : en
  • GB446762A - Improvements in or relating to the treatment of rice : en
  • GB446785A - Improvements in devices for controlling variable and adjustable condensers : en
  • FR798013A - Method and device for achieving constant explosion pressure in internal combustion engines : en fr
  • US2039296A - Sliding door : en
  • US2039504A - Clothesline canopy : en
  • DE629652C - Switching device for direction indicator : de en
  • US2039480A - Broaching machine : en
  • FR798100A - Method and apparatus for cutting and detaching fish fillets : en fr
  • GB446940A - Improvements in treadle driving-mechanism for bicycles : en
  • DE629536C - Superheater switched on between rows of pipes in a water pipe bundle : de en
  • DK51608C - Procedure for Treating Fermentation Fluids Using Air. : da en
  • FR797898A - Piston improvements : en fr
  • FR797937A - Removable vessel chamber : en fr
  • CA357650A - Extreme pressure lubricant : en fr
  • US2039434A - Alkaline earth metal salts of 2, 4, 5-trichlorophenol : en
  • US2039380A - Blast feed stoker : en
  • US2039807A - Separation of the individual fibers in fibrous material : en
  • US2039616A - Railway traffic controlling apparatus : en
  • IE13831L - Dust separators. : en
  • US2039582A - Motor car control : en
  • US2040047A - Needle bar retracting mechanism for flat knitting machines : en
  • US2040017A - Apparatus for cutting foods and the like : en
  • US2039588A - Refrigeration : en
  • US2039631A - Test circuit : en
  • FR797764A - Improvements to devices used for opening cardboard jars or other containers : en fr
  • GB446869A - A new or improved packing ring for stuffing boxes : en
  • US2039349A - Planetary milling machine : en
  • FR798036A - Process for the preparation of polymerization products : en fr
  • GB446731A - Improvements in automatic lubricant feeding apparatus, especially for internal combustion engines and the like : en
  • GB446914A - Improvements in or relating to the exhaust systems of internal combustion engines : en
  • DK51594C - Coupling device for devices for counting and assessing connections in telegraph systems. : da en
  • US2039343A - Two-seal inner tube : en
  • US2039791A - Printing mechanism : en
  • FR797842A - Corrosion resistant ferrous alloy : en fr
  • US2039958A - Milking-machine pulsator : en
  • USD99533S - Design for a dish ob similar article : en
  • US2039388A - Return bend fitting : en
  • US2039661A - Film operated switch mechanism : en
  • US2039916A - Electrical receptacle : en
  • US2039597A - Parachute toy : en
  • US2039829A - Fastener tape : en
  • USD99560S - Design for a display stand for food : en
  • US2039757A - Molded cap : en
  • US2039304A - Manufacture of acidylated aromatic amines : en
  • US2039981A - Process for treating hydrocarbon oils : en
  • FR798033A - Improvements in methods and devices for the continuous treatment of bands or ribbons of artificial silk schappe : en fr
  • FR798049A - Dosing device for oil and all other liquids : en fr
  • GB446767A - Improvements in or relating to cylinders for internal combustion engines and compressors : en
  • US2039426A - Apparatus for controlling prime movers : en
  • USD99527S - Design for a toy wagon or similar : en
  • US2039767A - Insole : en
  • US2040025A - Predetermined count mechanism : en
  • US2039542A - Fitting : en
  • US2039424A - Sanitary container : en
  • US2040018A - Photographic camera : en
  • USD99503S - Design fob a fork or other article : en
  • US2039821A - Garment : en
  • FR798091A - Improvement in anti-friction application processes : en fr
  • GB446948A - A device for guiding and taking up the slack in the connecting cord of electric flat irons : en
  • GB446720A - Improvements in controlling gaseous reactions : en
  • DE629500C - An annular fitting piece welded in between the main and branch pipes : de en
  • US2039431A - Stoking device : en
  • US2039446A - Sanitary girdle : en
  • DE629562C - Thread stretch for darning on sewing machines : de en
  • DE629670C - Luggage holder for bicycles or motorcycles : de en
  • US2039305A - Manufacture of acidylated aromatic amines : en
  • US2039802A - Quinine compound and process of : en
  • US2039949A - Rolling device for films : en
  • DE629558C - Cutting device with leverage, which divides the material to be cut by punching strips : de en
  • GB446927A - An improved holder for sterilising surgical and dental appliances, for example, clinical thermometers : en
  • USD99514S - Design fob a battery box : en
  • GB446941A - A process for the production of plywood and compressed laminated wood : en
  • FR797803A - Lift device to go on the water : en fr
  • GB446835A - Improvements in or relating to the reproduction of recorded sounds : en
  • GB446598A - Improvements in big game fishing reels : en
  • FR797973A - Gasifier for gasifiers and in particular for charcoal gasifier : en fr
  • GB446875A - Improvements in and relating to fasteners : en
  • GB446978A - Improvements in and relating to bitumen sheeting : en
  • US2039432A - Method for making sulphates of barium and calcium : en
  • US2040012A - Character bearing article : en
  • GB446830A - Improvements in or relating to electrically heated vaporizers for use in internal combustion engines : en
  • US2039363A - Prepared resin : en
  • US2039919A - Car-mover : en
  • CA357682A - Metal sheet galvanizing process : en fr
  • US2039933A - Automatic faucet : en
  • CA357691A - Carton for tubes and lamps : en fr
  • AU5128564A - Supporting means for use with wire fencing : en
  • CA357690A - Corrugated board forming machine : en fr
  • US2039591A - Air distributor for oil burners : en
  • US2039603A - Method for the production of hot reducing gases : en
  • FR797802A - Improvements to carburettors for internal combustion engines and burners for boilers : en fr
  • DE629574C - Door buffer : de en
  • CA357576A - Pitman box : en fr
  • US2039787A - Coupling for hoses, pipes, and the like : en
  • US2039483A - Production of metallic magnesium : en
  • US2039947A - Hydraulic press for extruding metal rods or tubes : en
  • CA357656A - Tube closing process : en fr
  • US2039359A - Foxing cementing machine : en
  • US2039485A - Seed planter : en
  • DE629435C - Device for depositing and stacking? í¡? Workpieces : de en
  • US2040035A - Clutch control mechanism : en
  • DK51593C - Brake pad with changeable brake shoe. : da en
  • DK51607C - Control device for burners for liquid fuel. : da en
  • CA357558A - Sorting conveyer : en fr
  • CA357707A - Basket : en fr
  • CA357643A - Radiator core : en fr
  • DE629373C - Process for the production of C, C-disubstituted compounds of barbituric acid : de en
  • US2039384A - Shirt envelope : en
  • US2039620A - Towel holder : en
  • US2039676A - Aircraft : en
  • FR797831A - Gas dispersion device in front of shelter exits : en fr
  • CA357588A - Roofing surfacing process and apparatus : en fr
  • GB446969A - Improvements in and relating to the operation and control of model or toy railway locomotives and trains : en
  • US2039830A - Holder for edibles : en
  • CA357575A - Fountain pen blotter : en fr
  • USD99528S - Design for baby pants : en
  • CA357660A - Naphthenic acid purification : en fr
  • AU2238835A - Improvements in or relating to manufacture of solvents by fermentation : en
  • CA357625A - Hydrocarbon oil processing : en fr
  • GB446840A - Improvements in and relating to spraying apparatus : en
  • US2039402A - Apparatus for cutting flat glass : en
  • US2039759A - Rubber snubber spring : en
  • US2039496A - Grouser for tractors : en
  • US2040028A - Work handling mechanism for machine tools : en
  • US2039567A - Automatic calendar : en
  • US2039566A - Check signing and endorsing mechanism : en
  • USD99508S - Design fob a sham pilsener tumbler : en
  • DE629745C - Process for fusing together the parts of objects consisting partly of quartz and partly of glass : de en
  • DE629467C - Device for removing the tobacco filling from the mouthpiece of cigarettes : de en
  • DE629711C - High-frequency induction furnace with interlaced, liquid-cooled primary winding : de en
  • FR798079A - Improvements made to devices to quickly heat a liquid mass, in particular cooling water and engine oil : en fr
  • GB446719A - Improvements in and relating to tobacco feeding mechanism for cigarette making machines : en
  • US2039302A - Artificial silk and other artificial products : en
  • FR797955A - Folding stretcher : en fr
  • FR798051A - Improvements to belts, corsets, girdles and bra : en fr
  • GB446923A - Improvements in or relating to the production of textile yarns : en
  • US2039799A - Treatment of hydrocarbons : en
  • US2039677A - Polishing roll : en
  • DE629505C - Rubber top for motor vehicles : de en
  • US2039654A - Telephone system : en
  • DE629682C - switch : de en
  • DE629559C - Curved scissors, especially for notching out cladding cutouts according to the template : de en
  • US2039652A - Concealed manifold for gas stoves : en
  • US2039607A - Liquid fuel burning apparatus : en
  • CA357568A - Bifocal lens : en fr
  • CA357615A - Camera range finder : en fr
  • US2039540A - Gas washer : en
  • DE629372C - Extraction of ammonia and carbonic acid separately from their mixtures : de en
  • US2039968A - Method of manufacturing pipe bends : en
  • FR798039A - Process to prevent crystalline deposits on the walls of boilers and others : en fr
  • USD99547S - Design for a bumper or similar : en
  • CA357677A - Metallic sodium : en fr
  • US2039662A - Automatic valve control : en
  • DE629504C - Telephone equipment on gas protective masks : de en
  • DE629695C - Device for holding negatives over cutouts of an album sheet : de en
  • US2039414A - Method of producing follicle hormone hydrates : en
  • US2039804A - Attaching strip for advertising matter : en
  • USD99526S - Design for a glider frame : en
  • CA357611A - Display carton : en fr
  • US2039613A - Ore jig : en
  • US2039769A - Apparatus for hydrating : en
  • GB446666A - Improvements in or relating to pose reflecting systems for photographic or other purposes : en
  • US2039308A - Means for extracting water from webs of pulp or paper : en
  • US2040007A - Central lubricating device : en
  • US2040024A - Container : en
  • AU2240135A - An improved cable connector device : en
  • US2039792A - Drain cleaning device : en
  • US2039965A - Barrel gauge construction : en
  • US2039287A - Welting and shoemaking therewith : en
  • US2039328A - Method for gold plating : en
  • US2039498A - Railway vehicle tire : en
  • DE629611C - Three-phase arc furnace : de en
  • FR797948A - Device for fixing corrugated sheets of asbestos cement slate or the like to their supports : en fr
  • US2039348A - Convertible table : en
  • US2039762A - Regulating means for refrigerating systems : en
  • US2039809A - Pyridino vat dyestuffs, and process of preparing them : en
  • US2039532A - Tire building apparatus : en
  • US2039604A - Signal for motor vehicles : en
  • CA357542A - Footwear : en fr
  • US2039409A - Egg material : en
  • FR797879A - Rotating light board for advertising : en fr
  • US2039450A - Method of treating road surfaces : en
  • CA357593A - Spring-cushion assembly : en fr
  • US2039766A - Granules of agglomerative powders : en
  • US2039874A - Boiler cleaner : en
  • GB446711A - A process for the production of cracked gasoline having low gum content : en
  • US2039350A - Fish-canning machine : en
  • US2040048A - Method of treating hydrocarbon oil : en
  • FR797790A - Vehicle speedometer : en fr
  • FR798066A - Device allowing to hang and support any device, electric lamp, automobile trunk, etc. : en fr
  • GB446742A - Improvements in, or relating to, fastenings for cases and other articles made of leather or the like : en
  • FR797887A - Improvements in devices for forming arcs in arc lamps : en fr
  • FR797964A - Method and device for landing airplanes : en fr
  • GB446966A - Improvements in or relating to the preparation of foundry moulding materials : en
  • US2039755A - Machine and work positioning mechanism : en
  • US2039288A - Change speed gear : en
  • US2039367A - Prepared resin : en
  • GB446696A - Improvements in means for agitating the contents of drink containers : en
  • US2039396A - Governor : en
  • US2039574A - Container handle : en
  • US2039487A - Method of nitriding : en
  • DE629413C - Device for tensioning and twisting the ends of wire tires on packages : de en
  • US2039444A - Method of concentrating lyes obtained in the cellulose industry : en
  • US2039500A - Process of assembling insulators : en
  • US2039946A - Drop seat garment : en
  • DK51588C - Process for the Production of Dihydromorphinones. : da en
  • FR797829A - Improvements in the manufacture of artificial materials based on cellulose derivatives : en fr
  • FR797925A - Breathing apparatus with oxygen supply automatically controlled by lung function : en fr
  • GB446864A - Improvements in or relating to float-actuated valves for water cisterns and the like : en
  • IE13668L - Mercury vapour discharge tubes : en
  • US2039369A - Clamping device : en
  • US2039436A - Sound reproduction device : en
  • US2039576A - Method of treating hydrocarbon motor fuels and products resulting therefrom : en
  • FR797822A - Protective door system for shelters, particularly aircraft shelters : en fr
  • US2039962A - Vegetable cutting machine : en
  • AU2355435A - Improvements in or relating toa process forthe production of normal butyl alcohol, acetone, and ethyl alcohol : en
  • US2040046A - Garment supporter : en
  • US2039891A - Fruit jar holder : en
  • US2039715A - Clamping device for cylinder boring machines : en
  • US2039831A - Card feed with slitter : en
  • US2040000A - Dispersion of synthetic resins in liquids : en
  • CA357671A - Cut diamond : en fr
  • US2039493A - Sealing means for electric switch ground boxes : en
  • US2039556A - Beverage cooler : en
  • US2039723A - Buffing tool for shoe shanks and soles : en
  • US2039617A - Safety guard for highways : en
  • US2039710A - Fluid pressure brake : en
  • USD99548S - Design for an advertising sign : en
  • DE625550C - Adjustable strop : de en
  • FR798022A - Improvements to furnaces intended for the calcination of ores : en fr
  • US2039334A - Refrigerator : en
  • US2039989A - Sulphonation of oils and greases : en
  • US2040031A - Counter : en
  • CA357555A - Sliding fastener : en fr
  • US2039709A - Adjustable lens mount : en
  • US2039289A - Inflated mattress : en
  • US2039422A - Automatic heat machine : en
  • FR797934A - Method for the preparation of catalysts : en fr
  • CA357661A - Wax removal from oil : en fr
  • US2039565A - Mop and method of making same : en
  • US2039972A - Window shade fitting : en
  • USD99561S - Design foe a collection box for : en
  • AU2239235A - Improvements in or relating to radio receivers and like modulated carrier wave apparatus : en
  • CA357693A - Weighing and packaging apparatus : en fr
  • US2040027A - Counter : en
  • US2040059A - Method and apparatus for dispensing gas material : en
  • CA357699A - Road resurfacing and widening means : en fr
  • DE629689C - Suspension for conveyor containers running on a rail, driven by a built-in power source, with a load lying on the side of the rail : de en
  • CA357688A - Ignition circuit lock : en fr
  • FR798071A - Nautical vehicle for nocturnal attraction and advertising : en fr
  • GB447049A - Improvements in garment supports : en
  • DE629429C - Lead cable press : de en
  • US2039433A - Lock strike : en
  • US2039561A - Bag supporting device : en
  • GB446937A - Improved lubricating device for pneumatic machines : en
  • CA357629A - Railway track circuit : en fr
  • FR797825A - Electric Arc Lamp Improvements : en fr
  • FR797841A - Time-dependent cut-off switch : en fr
  • CA357681A - Cigarette manufacture : en fr
  • US2039538A - Support for venetian blinds : en
  • CA357648A - High ohmic resistance : en fr
  • CA357608A - Brake housing and wheel : en fr
  • GB446632A - Improvements in or relating to pendulum weighing scales with optical transmission ofthe indicator result : en
  • GB446677A - Improvements relating to electric battery lamps : en
  • US2040043A - Shoe : en
  • US2039961A - Door check : en
  • US2039970A - Window ventilation apparatus : en
  • FR798090A - Tip driven by longitudinal and transverse pressure bearings : en fr
  • CA357694A - Multi-cylinder machine : en fr
  • CA357623A - Fertilizer : en fr
  • FR798062A - Softening process : en fr
  • FR798080A - Improvements made to carbureted air engines : en fr
  • DE629522C - Hollow insulator column made of porcelain for high voltages : de en
  • GB446688A - Improvements in swivels : en
  • FR797836A - Measuring rod : en fr
  • GB446834A - Improvements in or relating to change-box motions for looms for weaving : en
  • GB447404A - Improvements relating to nut or the like cooking machines : en
  • FR798015A - Mechanical strainer : en fr
  • US2039529A - Rubber products : en
  • US2039713A - Empty and load brake : en
  • GB446680A - Improvements in or relating to aerials for wireless signalling : en
  • US2039497A - Brush hanger : en
  • US2039563A - Method and apparatus for testing grinding wheels and the like : en
  • US2039856A - Electroacoustic device : en
  • USD99539S - Design for a display back : en
  • GB446936A - Improvements in and relating to semi-continuous and continuous kilns of the chamber type : en
  • GB446945A - Improvements in and relating to collapsible tubes and containers : en
  • GB446971A - Manufacture of 2-aminoanthraquinone-sulphonic acids : en
  • US2039278A - Cleaning and massage device for dental purposes : en
  • US2039523A - Lubricated cock : en
  • US2039805A - Beach umbrella table : en
  • GB446591A - A process and apparatus for the manufacture of rods and other elongated articles from artificial resin : en
  • FR797857A - Measuring device for determining variations in acceleration due to gravity : en fr
  • GB446793A - Improvements in or relating to processes for producing intaglio printing surfaces : en
  • CA357583A - Can body reforming machine : en fr
  • DE629463C - Process for the production of shoes, in particular frame shoes : de en
  • FR798140A - Process for obtaining spinning wheels or lock guards : en fr
  • US2039466A - Pencil : en
  • GB446585A - Method of and apparatus for television and like transmission : en
  • GB446946A - Improvements in ships' sterns : en
  • GB446678A - Improvements in or relating to safety razors : en
  • DE629575C - Vehicle brake for hydraulic and mechanical operation : de en
  • GB446877A - Improvements in and relating to rail vehicles : en
  • FR797767A - Combined luminaire with liquid effect : en fr
  • GB446590A - Improvements in or relating to tobacco feeding apparatus : en
  • US2039401A - Automatic sealing device : en
  • US2039619A - Method of forming sheet products : en
  • GB446599A - Improved process of artificial seasoning of wood : en
  • FR798101A - Ear protectors : en fr
  • GB446848A - Improvements in electric motor control systems : en
  • DK51599C - Method and Apparatus for Manufacturing Filter Nozzles. : da en
  • GB446908A - Manufacture of unsaturated organic compounds : en
  • GB446753A - Improvements in machines for grading eggs by weight : en
  • US2039311A - Rock drill : en
  • US2039879A - Fence construction : en
  • DE629375C - Device for controlling setting machines, in particular die setting and line casting machines, by photoelectrically scanning the symbols of a register strip : de en
  • FR798030A - Device for positioning bottles with stirrup closure at the labeling point of bottle labeling machines : en fr
  • FR797756A - Luminous mark electric measuring instrument : en fr
  • FR797897A - Rubber hoof for horses : en fr
  • FR797900A - Universal rolling stand : en fr
  • GB446771A - Improvements in and relating to centrifugal pumping plant : en
  • GB447110A - Reaction product of butadiene bodies with hydrogen chloride and method of producing the same : en
  • US2039897A - Radio receiver for ultra short waves : en
  • US2040065A - Process of mercerizing : en
  • FR797903A - Preparation of stereoisomeric alcohols : en fr
  • FR797823A - Process for continuous bleaching of papers, fabrics, yarns and the like : en fr
  • DE629555C - Spark plug : de en
  • US2039310A - Drilling apparatus : en
  • US2039777A - Radio receiver control : en
  • GB447062A - Improvements in or relating to machines for lasting boots or shoes : en
  • GB446943A - Air-permeable heat-insulating sheet material : en
  • CA357569A - Amusement device : en fr
  • DE629617C - Process for the dialytic extraction of vegetable matter : de en
  • FR798037A - New 2-aminodiaryl-ketones substituted with alkyl groups in the 4 and 5 positions and their preparation process : en fr
  • FR797961A - Two-stroke engine : en fr
  • GB446829A - Manufacture of aminoalkyl-sulphonic acids : en
  • US2039299A - Ice can grid : en
  • DK51592C - Device for transparent milk bottles made of glass. : da en
  • GB446922A - Improvements in or relating to ships steering gear : en
  • FR797776A - Improvements to guns with limited tube lengths, and in particular to guns used to eject projectiles inside a borehole : en fr
  • GB446893A - Improved process of manufacturing reconstituted compressed leather and product obtained thereby : en
  • CA357679A - Shear : en fr
  • GB446693A - Improvements in and relating to machines for evacuating and sealing preserving cans and the like : en
  • USD99522S - Design for a tap ob similar article : en
  • US2039285A - Drying fibrous masses : en
  • DE629527C - Adding machine : de en
  • FR798004A - Machine for sanding, surfacing and polishing cement tiles, mosaics, granites, etc. : en fr
  • GB447111A - Improvements in or relating to power plants : en
  • US2039318A - Motor vehicle : en
  • US2039605A - Starch manufacturing process : en
  • US2039842A - Machine tool : en
  • DE624537C - Attachment of a detachably connected splash guard : de en
  • GB447050A - Improvements relating to the process of manufacturing formaldehyde concentrates : en
  • US2039463A - Web splicing device : en
  • US2039517A - Focal plane shutter : en
  • FR798002A - Safety razor enhancements : en fr
  • FR798048A - Sprinkler device with handle, for washing, intended for bathrooms : en fr
  • US2039470A - Web roll electrical speed control : en
  • US2039827A - Electric control system : en
  • US2039941A - Locking device : en
  • US2039502A - Car roof for hopper cars : en
  • FR797971A - Electric eddy current furnace control system : en fr
  • FR798009A - Improvements in briquette production processes using coking coal, and resulting product : en fr
  • IE13732L - Carts : en
  • DE629720C - Process for the electrical oxidation of heat-treatable aluminum-copper alloys clad with aluminum or aluminum alloys : de en
  • FR797951A - Seat reinforcement or other device, in rattan or similar master : en fr
  • DE629712C - Ball-shaped cleaning device : de en
  • GB446727A - Improvements in or relating to saws : en
  • CA357668A - Safety razor : en fr
  • CA357673A - Road making mortar : en fr
  • FR797994A - Improvements to printing mechanisms : en fr
  • FR798050A - Musical warning device : en fr
  • GB446642A - Improvements in or relating to lawn sprinklers and the like : en
  • DK51610C - Knob for sports footwear, especially football boots. : da en
  • US2039324A - Locomotive stoker : en
  • US2039347A - Machine for fashioning articles successively from bar stock : en
  • FR798150A - Improvements made to cylinder heads of internal combustion engines : en fr
  • GB446735A - Improvements relating to means for cooling the pistons and introducing the charge in two-stroke internal combustion engines : en
  • FR797755A - Helical groove contact roller : en fr
  • FR797788A - Advertising device dispenser and paper cutter for various uses : en fr
  • GB446588A - Improvements in and relating to devices for inserting granular insulating masses in electric tubular heaters : en
  • GB447059A - Improvements in or relating to the production of titanium pigments : en
  • US2039547A - Electric generator and heating and cooling means : en
  • US2039776A - Method of weatherproofing shingles or like articles : en
  • US2039696A - Web roll tab : en
  • DE629546C - Terminal plate for electrical cable termination or distribution devices with directly covered terminals : de en
  • GB446714A - Improvements in screwdrivers for socketed screws : en
  • US2039738A - Metallurgical furnace : en
  • US2039680A - Percussive tool : en
  • US2039838A - Compressed air circuit breaker with movable piston : en
  • DE629586C - Adhesive carrier film for gluing wood : de en
  • DK51597C - Ear tag for Cattle. : da en
  • GB446718A - Improvements in or relating to steering mechanisms or gears of motor vehicles : en
  • US2039601A - Building construction : en
  • US2039846A - Clutch : en
  • US2040053A - Alloy : en
  • US2039471A - Web roll electrical speed control : en
  • FR798133A - Aggressive or toxic gas detector device called : en fr
  • FR797864A - Gaseous fuel furnace : en fr
  • GB447048A - Improvements relating to railway track brakes operated by the weight of a vehicle : en
  • GB446636A - Improvements in friction clutches : en
  • US2039325A - Fire door and stoker structure : en
  • US2039478A - Knitted headwear : en
  • US2039780A - Paper making machinery : en
  • US2039639A - Signaling system : en
  • FR797789A - Pear Shaped Electrical Switch Improvements : en fr
  • FR797816A - Process for the production of a compound of 1-methyl, 4-isopropyl, 2-oxybenzene and quinine : en fr
  • GB446741A - Improvements in or relating to machines for finishing boot or shoe bottom portions or the like : en
  • GB446824A - Improvements in and relating to curved stereotype printing plates : en
  • GB446846A - Improved garment hanger and trousers stretcher : en
  • FR797905A - Indicator device : en fr
  • GB446764A - Improvements in or relating to motor-road vehicle lamps and the like : en
  • FR798055A - Sealing boxes for liquid pumps and more particularly for liquefied gas pumps and other easily vaporizable liquids : en fr
  • DE629565C - Device for influencing the bundle of light falling into the lens of a photographic apparatus or an exposure meter : de en
  • GB446663A - Improvements in and relating to television systems : en
  • GB446955A - Improvements in packings for stuffing boxes : en
  • CA357530A - Bottle carrier : en fr
  • CA357557A - Lubricating device : en fr
  • FR797799A - Aircraft upgrades : en fr
  • CA357540A - Door closer and check : en fr
  • GB446849A - Improvements in and relating to markers for instruction and like sheets : en
  • FR798053A - Process for manufacturing hairpieces for mannequins or other applications and product obtained by this process : en fr
  • FR798105A - Improvements to lead and sodium alloys and their manufacturing process : en fr
  • GB446844A - Improvements relating to loom dobbies : en
  • US2039870A - Hoist : en
  • FR798121A - Apparatus for preparing yogurt and the like : en fr
  • FR797862A - Method and apparatus for ensuring visibility despite fog and natural or artificial clouds : en fr
  • GB446661A - Improvements in or relating to television transmitting systems : en
  • GB446758A - Apparatus for concentrating and refrigerating liquids : en
  • GB446768A - Improvements in or relating to heat engines : en
  • FR798054A - Two-stroke diesel engine : en fr
  • US2039728A - Boring machine : en
  • US2039764A - Receptacle : en
  • US2039904A - Refining of mineral oil distillates : en
  • FR798052A - Apparatus for electrolytic etching : en fr
  • DE629571C - Gear pump : de en
  • FR797757A - Process for the preparation of semi-soluble calcium pectinate : en fr
  • FR797930A - Machine for cleaning wool or other animal fibers and the like : en fr
  • FR797835A - High pressure equipment : en fr
  • GB446903A - Improvements in or relating to spanners or wrenches : en
  • FR797824A - Light switch : en fr
  • DE629506C - Piercing bung for container : de en
  • GB446886A - Improvements in and relating to sheet registering devices : en
  • GB447190A - Apparatus and circuits for indicating or controlling electrical phase differences : en
  • FR797923A - Device for closing and opening bays : en fr
  • US2039615A - Automatic volume control receiver : en
  • US2039995A - Electrical apparatus and contacts therefor : en
  • CA357636A - Container : en fr
  • CA357670A - Safety razor : en fr
  • US2039386A - Rubber products and method of producing the same : en
  • US2039840A - Method for causing cold flow in substances : en
  • US2039623A - Condenser : en
  • USD99519S - Design fob an initial ob otheb chab : en
  • DK51581C - Device for automatic closing of the water supply main faucet in frosty weather. : da en
  • FR797933A - Projectile : en fr
  • GB446860A - Improvements in and relating to gaseous electric discharge devices : en
  • FR797911A - Improvements in the preparation of hydrocarbons by destructive hydrogenation of solid carbonaceous materials : en fr
  • FR797962A - Device for photographic reproduction of documents : en fr
  • GB446605A - Automatic shoe polishing machines : en
  • GB446630A - Improvements in or relating to circuit-arrangements comprising a gasfilled electric discharge tube : en
  • GB446910A - Manufacture of a new anthraquinone vat dyestuff : en
  • DE629749C - Flush valve with a main valve that is only moved by the water pressure and an auxiliary valve that closes the counterpressure chamber and can be moved by a push button : de en
  • US2039896A - Hydraulic vehicle jack : en
  • US2039936A - Oil combustion apparatus : en
  • USD99555S - M a smith : en
  • US2039430A - Railway car side door : en
  • US2039573A - Apparatus for feeding liquid : en
  • CA357529A - Humus product manufacture : en fr
  • US2039312A - Reenforced carded web : en
  • US2039586A - Planing boat : en
  • FR798064A - Mobile firearms device on wheels : en fr
  • GB446770A - Improvements in electromagnetic switches as used in telephone and like systems : en
  • US2039585A - Planing boat : en
  • US2040052A - Glove : en
  • US2039406A - Method of and apparatus for operating intelligence systems : en
  • FR797922A - Method of precipitation of titanium solutions by hydrolysis, with the addition of titanium compounds : en fr
  • GB446573A - Improvement in and relating to cinder sifters : en
  • USD99497S - Design for a shoe : en
  • DE629509C - Shutter lock : de en
  • FR798078A - Improvements to heating devices comprising burners supplied with liquid fuel : en fr
  • DE629661C - Facility for medical-cosmetic head treatment : de en
  • US2039337A - Arterial blood pressure measuring device : en
  • US2039903A - Floor machine : en
  • DE629479C - Device for preventing scale formation in steam boilers using an alternating current source : de en
  • DE629705C - Drive and elevator device for condensable street voltage lamps : de en
  • GB446951A - Improvements in and relating to electric heating plates : en
  • US2040066A - Comparison microscope : en
  • US2039871A - Vacuum tube socket : en
  • USD99543S - Design for a mold for lamb patties : en
  • FR798135A - High voltage current transformer : en fr
  • GB446739A - Improvements in or relating to evaporators with internal rotary heating members : en
  • DE629662C - Process for the production of a concentrated, durable, aqueous theophylline solution : de en
  • GB446697A - Improvements in or relating to washing machines : en
  • FR797995A - Improvements made to toys or similar objects with moving parts : en fr
  • CA357610A - Compensator valve assembly : en fr
  • CA357612A - Roll film camera : en fr
  • US2039353A - Vaporizer for internal combustion engines : en
  • GB446832A - Improvements in and relating to hand-operated devices for electric switches particularly rotary switches for electric cookers : en
  • FR798116A - Industrial product consisting of a siphon fitted with a breather and applicable to sanitary or other appliances : en fr
  • CA357564A - Portable bar : en fr
  • US2039670A - Springing arrangement for the wheels of vehicles : en
  • US2039376A - Circuit controlling apparatus : en
  • US2039510A - Double end mop type brush : en
  • US2039514A - Method of preparation of the ether hydrochlorides of pseudourea : en
  • US2039750A - Corrugated paperboard machine : en
  • USD99498S - Design for a textile fabric or : en
  • USD99499S - Design for a laundry bag : en
  • CA357669A - Safety razor : en fr
  • AU2325035A - Improved process for the manufacture of certain food products in powder or granulation form : en
  • US2039741A - Vacuum cleaner dust bag : en
  • AU166036A - Improvements in or relating to thermionic valves andthe like : en
  • US2039505A - Finger protector : en
  • US2039612A - Partition for compartment boxes or crates : en
  • US2039734A - New compositions of matter containing luminous substances : en
  • AU66536A - Amendment : en
  • DE629668C - Device for the production of sheets of uniform thickness by electrolysis in the pull-through process : de en
  • US2040022A - Method for building levees : en
  • USD99501S - Design fob a combined air condition : en
  • US2039284A - Veneering : en
  • US2040026A - Counter : en
  • DE1373112U - : de en
  • CA357562A - Baby jumper : en fr
  • US2039341A - Projector or camera shutter mechanism : en
  • US2039744A - Cellulose organic ester composition containing an alpha-substituted phenylethyl alcohol : en
  • CA357599A - Hose coupling : en fr
  • CA357609A - Fluid compensator : en fr
  • AU2471735A - Improved method forthe production of wearing apparel and garments : en
  • CA357624A - Vinyl ether : en fr
  • US2039453A - Bottom-casting hollow ingots : en
  • USD99551S - Design for a nightgown : en
  • DE625645C - Paint to indicate that permissible temperatures have been exceeded on parts of the apparatus : de en
  • FR797993A - Improvements made to hydraulic clutches, in particular those for motor vehicles : en fr
  • GB446972A - Anti bang or rattle door stop : en
  • US2039581A - Doorbell switch : en
  • US2040023A - Winding machine with mechanical charging of bobbins : en
  • US2039674A - Roof flashing : en
  • CA357698A - Concrete pavement resurfacing means : en fr
  • FR797960A - Process for preparing ketones of polycyclic hydroaromatic compounds : en fr
  • US2039608A - Land and water vehicle : en
  • US2039963A - Apparatus for the distillation of dry cleaning liquid : en
  • US2039934A - Churn : en
  • DE629572C - Isodrome regulator for power machines : de en
  • DE629568C - Photographic or cinematographic camera with an optical light meter : de en
  • FR797940A - Liquid dielectric economizer device : en fr
  • AU2249735A - Improvements in or relating to thermionic oscillation generators : en
  • US2039678A - Egg breaker : en
  • US2039398A - Prestressed beam and method of manufacture : en
  • CA357633A - Internal combustion engine : en fr
  • DE629424C - Circulating air sifter : de en
  • AU2234435A - Method of increasing yield inthe catalytic synthesis of aliphatic hydrocarbons : en
  • GB446628A - Improvements in apparatus for making electric heating units : en
  • US2039760A - Method of forming electrical resistor heating elements : en
  • US2039953A - Electric lamp and mounting therefor : en
  • US2039681A - Combined mouth and nose guard : en
  • US2039282A - Vending machine : en
  • US2039392A - Boat propelling mechanism : en
  • US2039847A - Work head : en
  • US2039935A - Safety delivery container : en
  • CA357666A - Electric transformer : en fr
  • FR797844A - Machine update scale : en fr
  • CA357566A - Chimney : en fr
  • CA357641A - Metal surface coating composition : en fr
  • US2039892A - Steam generator for forming and pressing devices : en
  • US2039351A - Car wheel journal bearing : en
  • US2039360A - Warning signal for vehicles : en
  • DE629487C - Arrangement of pupin coils in pupin coil sleeves : de en
  • CA357601A - Blasting cartridge : en fr
  • US2039826A - Ventilating device : en
  • US2039684A - Servicing device : en
  • US2039484A - Ventilator : en
  • US2039984A - Car lock for mine cars : en
  • DE629684C - Device for the ignition of an electric gas or vapor discharge tube : de en
  • US2039419A - Tulle and lace comprising multiple elastic threads : en
  • DE629543C - Arrangement for suppressing the high-frequency components in the anode circuit of a rectifier provided with energy return : de en
  • CA357674A - Adhesive liquid container : en fr
  • IE14044L - Curing of hides : en
  • US2039368A - Screw : en
  • US2039694A - Diaphragm horn : en
  • USD99521S - Design fob a flashlight ob the like : en
  • USRE19953E - Process of manufacturing nitrous : en
  • US2039550A - Switch box : en
  • US2039301A - Production of artificial materials : en
  • US2039997A - Measuring instrument : en
  • US2039742A - Manufacture of sound records : en
  • US2039606A - Elevator safety device : en
  • DE629585C - Compressed gas switch with silencer : de en
  • US2039440A - Treatment of hydrocarbon gases : en
  • CA357646A - Bag-making and filling machine : en fr
  • DE629697C - Process for the production of ammonium sulfate : de en
  • US2039720A - Automatic variable pitch propeller : en
  • FR798097A - Automatic projection kaleidoscope applicable to shows and advertising : en fr
  • US2039476A - Snapless overshoe : en
  • US2039849A - Tool head : en
  • USD99523S - Design fob a storage battery case : en
  • US2039375A - Air conditioning apparatus : en
  • US2039773A - Incandescent electric lamp : en
  • US2039314A - Electrical system : en
  • US2039321A - Punching and marking machine : en
  • FR797901A - Doorbell : en fr
  • GR5768B - MEDICINE AGAINST TOBACCO PLANT "DAMARI". : el en
  • DE629394C - Grinder, especially for wood : de en
  • FR798149A - Baby bottle with thermometer indicating the temperature of the liquid contained : en fr
  • CA357702A - Rail joint : en fr
  • FR798076A - Chair convertible into lounge chair : en fr
  • GB446751A - Improvements in or relating to suction cleaners : en
  • FR798005A - Universal shock absorbing device and flexible retaining glazing : en fr
  • GB446791A - Improvements relating to bags and like containers : en
  • CA357596A - Machine base : en fr
  • FR797772A - Improvement in injection devices for internal combustion engines : en fr
  • FR797777A - Device for the remote successive firing of several explosive charges : en fr
  • US2039665A - Reversing transmission : en
  • US2039900A - Handle connecter : en
  • USD99559S - Design for a grease gun rack : en
  • GB446919A - Improvements in inhalers : en
  • FR797837A - Improvements to filler rods for welding and torch brazing : en fr
  • FR798123A - Improvements to cathode ray tubes and similar devices : en fr
  • GB446676A - Improvements in or relating to photographic printing apparatus : en
  • FR797928A - Process for maintaining the freshness and extending the shelf life of marine and freshwater fish : en fr
  • FR797988A - Detector circuit for radio receivers : en fr
  • DK51595C - Apparatus for irradiating liquids, in particular milk. : da en
  • DE629540C - Process for the reduction of metal oxides, especially iron ores, in a rotary kiln in an air-diluted room : de en
  • GB446837A - Improvements in doffing mechanism for spinning, doubling, twisting and like textile frames : en
  • US2039335A - Method and apparatus for folding sheets : en
  • FR798103A - Process for removing metal from the surface of a metallic body : en fr
  • GB446921A - Improvements in or relating to ships rudders : en
  • FR798127A - Hot water tank : en fr
  • FR798074A - Control unit for well drilling : en fr
  • GB447053A - Supports for display stands and shelves : en
  • FR797916A - Method and device for determining without inertia a measured quantity proportional to the difference between a quantity to be adjusted and a value assigned to it : en fr
  • US2039994A - Escalator : en
  • GB446838A - Improvements in or relating to the sterns of twin-screw vessels : en
  • GB446610A - Improvements in or relating to joint means for timber : en
  • CA357711A - Swab holding device : en fr
  • FR797895A - Improvements to handlebar mechanisms with bicycle brakes : en fr
  • FR797865A - Cash register or accounting machine : en fr
  • US2039737A - Photographic camera : en
  • US2039489A - Transportation unit : en
  • US2039855A - Chuck : en
  • US2039990A - Carburetor for internal combustion motors : en
  • US2039785A - Sheet feed retarding mechanism for printing presses : en
  • AU2099835A - Improved apparatus for loading grain or other bulk materials into ships : en
  • GB446631A - Improved steam distributing attachment for garment pressing machines : en
  • GB447191A - Improvements in or relating to electric light fittings for attachment to machine parts : en
  • US2039395A - Coin freed vending machine : en
  • US2039898A - Azo-dyestuffs for dyeing leather : en
  • DE629478C - Process for the production of diazo salt preparations : de en
  • DE629497C - Device for initiating the lowering process for jacks with hydraulic damping device for lowering and mechanical lifting device : de en
  • GB446850A - Improvements in reversing gear for oil engines : en
  • FR797997A - Electrical assembly comprising a gas-filled discharge tube : en fr
  • FR797797A - High Speed Internal Combustion Engine Sprayer : en fr
  • FR798020A - Ringer toy in the shape of an automatic scale : en fr
  • GB446905A - Improvements in or relating to roller bearings : en
  • US2039587A - Fluid filled electric cable system : en
  • US2040041A - Combination crayon package and display container : en
  • US2039976A - Separable fastener : en
  • AU2355635A - Improvements in or relating toa process of producing normal butyl alcohol, acetone and ethyl alcohol by fermentation : en
  • CA357631A - Container : en fr
  • US2039771A - Method of forming rakes, forks, and the like : en
  • FR797945A - Mechanical brush for radiators : en fr
  • FR798034A - Device for controlling the sliding roofs of vehicles : en fr
  • USD99529S - Design for latex pants : en
  • GB446786A - An improved cast-iron alloy : en
  • DE629556C - Method and device for cooling internal combustion engines, in particular deflagration internal combustion turbines : de en
  • CA357607A - Container closure : en fr
  • GB446814A - A process of producing a composite solution, aqueous emulsion, or plastic composition of bitumen and vulcanized rubber : en
  • GB446836A - Improvements in shaft packing devices for dynamo electric machines : en
  • FR797784A - Improving the efficiency of reciprocating or rotary electric motors : en fr
  • DE629708C - Device for tempering salt bath ovens by means of heating elements designed in the manner of immersion heaters : de en
  • FR797851A - Hand air pump : en fr
  • GB446899A - Improvements in toys : en
  • DE629514C - Separation point for flat tube posts : de en
  • DE629598C - Coking chamber for generating carburized water gas : de en
  • GB446942A - Improvements in or relating to refrigerators : en
  • GB447266A - Improvements in or relating to combustion-products power plants : en
  • FR797808A - Shelter door system or the like to resist small projectiles : en fr
  • FR797942A - Lighter, especially pocket lighter, gas fuel : en fr
  • FR798138A - tubular scaffolding : en fr
  • DE629460C - Liquid shock absorbers for motor vehicles : de en
  • DE629671C - Built-in protection with two locking jaws and radially movable tumblers : de en
  • GB446607A - Improvements relating to the centrifugal de-waxing of oils : en
  • US2039435A - Inking mechanism for use in printing machines : en
  • GB446694A - Improvements relating to controls for organs and like instruments : en
  • GB446708A - Improvements in or relating to the carrying out and regulation of reactions of dissolved substances with solid bodies : en
  • GB446725A - Improvements in or relating to hair cutting machine for removing hairs from cavities : en
  • US2039883A - Casting method and apparatus therefor : en
  • US2040014A - Antihunting positional control : en
  • FR798109A - Rolling mill improvements : en fr
  • CA357591A - Hygrostat : en fr
  • US2039494A - Drill bit : en
  • US2040055A - Copper base composition : en
  • AU295995B2 - Supporting means for use with wire fencing : en
  • US2039814A - Firearm : en
  • CA357616A - Camera view finder : en fr
  • CA357653A - Fish preservation by cold storage : en fr
  • US2039366A - Coating composition : en
  • US2039533A - Pole guy assembly : en
  • US2039912A - Kingbolt assembly for motor vehicles : en
  • US2039668A - Telephone system : en
  • USD99540S - Design for a shoe : en
  • US2039697A - Footage indicator for photographic apparatus : en
  • US2039699A - Adjustable finger bar for shear machines : en
  • CA357684A - Chemical compound working apparatus : en fr
  • US2040001A - Sole patch : en
  • CA357695A - Rubber compounding method : en fr
  • US2039717A - Horn system : en
  • US2039712A - Fluid pressure brake : en
  • USRE19955E - Hat brim protector : en
  • CA357649A - Arc welding system : en fr
  • CA357577A - Shock-absorber : en fr
  • US2039300A - Control for air conditioning systems : en
  • GB446587A - Improvements in and relating to evaporating and concentrating apparatus : en
  • FR797840A - Method and device for selection by t-symmetry. s. f. : en fr
  • FR798093A - electrode covered with insulation and its use in electrical devices : en fr
  • GB446613A - Improved screw fastenings, particularly nuts and bolts : en
  • GB446833A - Improvements in and relating to electric discharge lamps : en
  • USD99531S - Design fob a beverage container : en
  • FR798110A - Telescopic frame supporting curtains forming, by their development, a garage for a motor vehicle : en fr
  • US2039925A - Pay roll check machine : en
  • CA357537A - Weatherstrip : en fr
  • CA357554A - Steam boiler : en fr
  • DE1372837U - : de en
  • DE629719C - Bevel gearbox : de en
  • AU102932B2 - Thyratron : en
  • FR798089A - Small resistance winding, made with a multiple wire, to increase the electro-magnetic field : en fr
  • US2039507A - Diesel engine governor : en
  • US2039593A - Heat transfer coil : en
  • US2039959A - Rolling mill : en
  • FR797914A - Combustion chamber for direct injection diesel engines : en fr
  • GB446782A - An improved slide box or container for display purposes : en
  • US2039932A - Method of making hosiery : en
  • US2039570A - Pump : en
  • US2040051A - Method and means for preparing refractories and refractory masses so produced : en
  • US2039473A - Automatic dispatch and discharge system : en
  • US2039646A - Eccentric cutting attachment for metal working spindle machines : en
  • US2039909A - Printing press : en
  • US2040033A - Production of plastic material from proteins : en
  • FR797812A - Process for drying pipes, in particular protective pipes for electrical pipelines : en fr
  • FR798115A - Elastic packing ring for sleeved pipe joints : en fr
  • GB447108A - Manufacture of anthraquinone derivatives : en
  • FR798044A - Method and device for gasification of heavy oils : en fr
  • GB446729A - Improvements in and relating to casement windows : en
  • CA357582A - Continuous flow conveyer : en fr
  • CA357685A - Venetian blind stop device : en fr
  • GB446862A - Improvements in or relating to oxide cathodes for electric discharge tubes : en
  • GB446871A - Improvements in and relating to hoists : en
  • DE629529C - Circuit arrangement for conveyor systems divided into sections : de en
  • US2039486A - Egg crate filler : en
  • US2039716A - Windshield cleaner blade : en
  • US2039695A - Controlling and lubricating mechanism : en
  • US2040058A - Lockstitch knit fabric : en
  • DK51582C - Fluid meters. : da en
  • FR797855A - Improvements to boxes intended to contain deformable tubes : en fr
  • GB446917A - Improvements relating to telephone systems : en
  • DE629616C - Process for preparing silk for felting : de en
  • DK51601C - Internal combustion engine with Radiator, in particular Condensation cooler. : da en
  • US2039971A - Basket : en
  • FR797983A - Power supply system for radio broadcast receiver : en fr
  • DE629577C - Filler pencil : de en
  • US2039279A - Treatment of artificial silk filaments : en
  • FR798026A - Improvements in air cooling of internal combustion engines : en fr
  • IE13600L - High pressure, artifically cooled mercury vapour tubes : en
  • FR797871A - Device for the production of oscillating electric currents, and applications of this device, in particular to the supply of luminescent tubes : en fr
  • FR798067A - continuously jointable elements to house market garden crops in rows : en fr
  • GB446866A - Improvements in or relating to tuyeres : en
  • US2039322A - Synchronous alternating current machine for low and for variable speed : en
  • US2039345A - Bottle mouth : en
  • GB446641A - The manufacture of acyl octahydro follicle hormones : en
  • FR797915A - Packing for fractional distillation columns and others : en fr
  • FR798069A - Rotary mechanism of the punch tool : en fr
  • GB446970A - Improvements relating to vitreous enamel compositions or frits for the production of signs, decorations or the like by stencilling : en
  • GB446870A - Improvements in means for locking the barrels of breech loading firearms : en
  • GB446809A - Device for modifying the degree of selectivity and accurate reproduction of a wireless receiving apparatus : en
  • GB446938A - Improvements in direct current voltage changer : en
  • GB446772A - Lathes and other machine-tools : en
  • GB447107A - Improvements in the manufacture and production of n-substitution products of alpha-aminoanthraquinone and its derivatives : en
  • FR797814A - Light sidecar for cycles and motorcycles : en fr
  • FR797902A - Process for removing sulfur from gas containing it : en fr
  • US2039998A - Sign : en
  • FR797828A - Improvements to cinematographic devices : en fr
  • GB446913A - Improvements relating to adjustable chairs : en
  • DE629512C - crampon : de en
  • US2039873A - Coach latch : en
  • CA357592A - Stereotype matrix : en fr
  • US2039451A - Power transmission mechanism : en
  • US2039482A - Extension table : en
  • US2039915A - Reeling machine : en
  • AU2236735A - Improvements in connection with the electro-plating of metallic articles : en
  • DE629439C - Line protection device with a time delay depending on the line resistance : de en
  • FR797867A - Transmission facility : en fr
  • FR797838A - Spark plug for internal combustion engines operating on fuels of all kinds : en fr
  • GB446878A - Improvements in and relating to gas or vapour filled electric discharge vessels : en
  • GB446612A - Improvements in closures for bottles and other containers : en
  • GB446851A - Improvements in and relating to rotary swivel devices for well drilling equipment : en
  • GB446963A - Improvement in price tags : en
  • FR797809A - Protection and closure device for bottles and other containers : en fr
  • GB446695A - Improvements in or relating to tilting mechanisms for use in connection with dough mixing bowls and the like : en
  • GB446777A - A printing plate for offset-printing and the process of manufacturing such a printing plate : en
  • AU2244135A - Synthetic resin composition : en
  • CA357553A - Heat generator : en fr
  • US2039421A - Process and apparatus for milking : en
  • US2039877A - Finishing strip : en
  • US2039708A - Coloring of cellulosic solutions : en
  • CA357706A - Invertible container : en fr
  • GB446687A - Improvements in or relating to self acting rakes : en
  • AU2236635A - Improvements in or relating to typographic casting machines : en
  • CA357545A - Hydraulic governor : en fr
  • US2039858A - Spot welding apparatus : en
  • USD99515S - Design fob a can opener : en
  • US2039449A - Gas-filled discharge tube system : en
  • DE629192C - Method and device for producing zippers : de en
  • US2039770A - Display device : en
  • CA357654A - Naphthenic acid : en fr
  • DE629744C - Device for determining the bath height in glass tub ovens : de en
  • US2039512A - Dehydrating compositions : en
  • US2039671A - Wheel axle suspension : en
  • US2039357A - Side frame and journal box : en
  • US2039546A - Combination speculum surgical instrument : en
  • US2039992A - Ink fountain for printing presses : en
  • US2039338A - Vacuum closing machine : en
  • AU2347535A - Improvements in and relating to vanity cases andthe like : en
  • CA357709A - Trailer brake mechanism : en fr
  • US2039704A - Beverage container : en
  • CA357602A - Base for electrical devices : en fr
  • US2039391A - Process for partial dealkylation of dialkyl aromatic amines : en
  • US2039377A - Hard water soluble oil : en
  • US2039508A - Oscillating clothes washer : en
  • US2039839A - Beer clarifier : en
  • US2039824A - Sheet metal tubing : en
  • DE629234C - Grinding machine for surface grinding the side surfaces of flat rings : de en
  • DE629560C - Sheet metal feed device for circular knife shears : de en
  • US2039632A - Contact making voltmeter : en
  • US2039636A - Process for dewaxing oil : en
  • FR797852A - Improvements to air pressure coffeemakers or the like : en fr
  • US2039448A - Machine for shaping shoe uppers : en
  • CA357604A - Granular coated article : en fr
  • US2039598A - Windshield wiper : en
  • US2039893A - Control means for hydraulic press operating circuits : en
  • US2039397A - Method of forming tappets : en
  • US2039957A - Electric switch device : en
  • CA357700A - Unknown quantity indicating and recording device : en fr
  • US2039655A - Method of outgassing and purifying electrically conductive bodies : en
  • US2039534A - Process of and apparatus for continuous blending, for a predetermined quality, of liquids having different specific gravities : en
  • US2039580A - Bowling alley and method of repairing same : en
  • USD99563S - Design for a hair curler : en
  • DE629666C - Brush for shoe cleaning devices : de en
  • US2039590A - Friction clutch : en
  • US2039752A - Filing card or loose leaf : en
  • US2039975A - Door signal device : en
  • US2039577A - Compounds of the acridinium series and a process of preparing them : en
  • US2039740A - Football game and apparatus : en
  • AU2239835A - Braun tube : en
  • US2039822A - Hard composition of matter : en
  • US2039452A - Tank trailer : en
  • US2039515A - Boiler : en
  • US2039536A - Composition building element : en
  • US2039756A - Automatic phonograph : en
  • GB446627A - Device for stretching shoes : en
  • US2039408A - Adjustable lamp support : en
  • US2039539A - Stove construction : en
  • US2039817A - Barrel : en
  • FR798046A - Closing device for game ball : en fr
  • FR797947A - Improvements to catalysts and their manufacturing processes : en fr
  • US2039526A - Automatic control apparatus : en
  • US2039739A - Production of a lecithin nutrient material : en
  • US2040006A - Apparatus for producing vibrating light effects : en
  • DE629367C - Tilt protection for fire brigade turntable ladders : de en
  • DE629391C - Thread take-up device for sewing machines : de en
  • FR798011A - Electric motor with solenoid : en fr
  • GB446839A - Improvements in apparatus for moulding table jelly and other plastic substances : en
  • FR797952A - Bra and its method of making : en fr
  • DE629573C - Method for sealing riveted, screwed or folded operating material containers for aircraft : de en
  • GB446721A - Awnings : en
  • USD99504S - Design for a glider : en
  • US2039467A - Conduit cleaning device : en
  • US2039722A - Process for the preparation of organic acids : en
  • US2039920A - Signaling apparatus : en
  • USRE19957E - Transformer : en
  • DK51596C - Apparatus for the production of ice sticks. : da en
  • FR798024A - Gear switch : en fr
  • GB446803A - Improvements in spring suspension of vehicles : en
  • US2039389A - Stoker : en
  • US2039423A - Combustion heater : en
  • US2039938A - Sandblast nozzle : en
  • US2040003A - Butter mold : en
  • FR797817A - Improvements to the dial holders of the luminous indicators of wireless telephone receivers : en fr
  • GB446702A - Improvements in or relating to aircraft having air-cooled internal-combustion engines : en
  • US2039330A - Purification of carbon dioxide : en
  • US2039412A - Process for the mechanical production of shading plates : en
  • FR797804A - Shelf support forming at the same time cover for central heating radiators : en fr
  • FR798088A - Ultra-short wave mounting : en fr
  • GB446788A - Improvements relating to surgical cooling or heating appliances : en
  • US2039583A - Pump construction : en
  • GB446873A - Improvements in radial-cylinder internal-combustion engines and the driving gear thereof : en
  • CA357663A - Binding for travelling cases : en fr
  • US2040004A - Kitchen utensil : en
  • DE629656C - Process for the production of coked briquettes from iron ore and charcoal of high fineness : de en
  • FR798094A - Device for the manufacture of slabs or other objects in agglomerates : en fr
  • US2039407A - Interlocking control for change gears : en
  • FR797759A - Soft, overflowing soles with welt for slippers with buffalo soles or other skins : en fr
  • FR797819A - Device for opening commercial packages, more particularly cigarette or tobacco packages : en fr
  • GB446595A - Process for dyeing leather : en
  • GB446879A - Improvements in artificial respiration apparatus : en
  • GB446618A - Circuit arrangement for the magnetic deflection of the cathode ray of a braun tube : en
  • GB446664A - Improvements in or relating to television transmitting systems : en
  • GB446953A - A new method for the manufacture of flat brushes for limewashing, distempering or similar uses : en
  • USD99545S - Design for a display container for : en
  • USD99518S - Design for a shoe : en
  • US2039316A - Power lift for tractors : en
  • GB446961A - Method of and apparatus for producing hollow metal bodies : en
  • GB446756A - Manufacture of oxynaphthotriazoles : en
  • US2039727A - Rail car wheel : en
  • US2039427A - Milling cutter : en
  • US2039763A - Method of coking liquid hydrocarbons : en
  • CA357534A - Foldable bedstead : en fr
  • DK51604C - Method for Preparing Concentrated Aqueous Solutions of the Follicle Hormone. : da en
  • FR797853A - Mechanical relay : en fr
  • FR797967A - Improvements to pressure rollers for spinning machines : en fr
  • US2039374A - Container : en
  • US2039527A - Platform scale : en
  • US2039775A - Metal sealing cap for road parting strips : en
  • US2039294A - Automatic manual control subordinator for tracer controlled machines : en
  • US2039331A - Method of treating a zinc bearing ore material : en
  • US2039564A - Beer dispensing apparatus : en
  • US2039336A - Fused wall receptacle : en
  • US2039875A - Tension pulley for tape drives in textile machinery : en
  • US2039800A - Silencer : en
  • US2039721A - Web supply carrier for typewriting machines : en
  • GB446634A - Improvements in and relating to the removal of disturbances in high frequency receiving apparatus : en
  • US2039836A - Windshield frame : en
  • FR797785A - Method and device for the execution of monolithic reinforced concrete constructions : en fr
  • GB446818A - Reaction product of butadiene derivatives with hydrogen chloride and method of producing the same : en
  • DE629340C - Towed reversible plow : de en
  • DE629709C - Device for tempering salt bath ovens by means of heating elements designed in the manner of immersion heaters : de en
  • FR798001A - Device for moistening and closing letter envelopes : en fr
  • FR798021A - Process for the manufacture of hard bodies specially suitable for the treatment of metals : en fr
  • GB446852A - Screw propeller for water and air vehicles : en
  • US2039889A - Method and apparatus for cooling and drying moist gases : en
  • DE629489C - Device for the electrical regulation of a turbo generator with regulation in the steam section, in particular for electrical lighting of railroad trains : de en
  • GB446619A - Improvements in or relating to wireless directional aerial systems : en
  • US2039917A - Means for attaching a handle to a stem or the like : en
  • US2039747A - Bit block : en
  • USD99556S - Design for an armchair : en
  • USD99566S - Design fob a glove : en
  • GB447119A - Improvements in or relating to self-contained breathing apparatus : en
  • FR797863A - Double ink pad box : en fr
  • CA357626A - Railway traffic controlling system : en fr
  • FR797860A - Device for causing the absorption of a gas by a liquid : en fr
  • FR797813A - Improvements to motion transmission devices : en fr
  • CA357595A - Network control system : en fr
  • US2039954A - Heel and hose protector : en
  • US2039524A - Agents rendering textile materials fast to creasing : en
  • US2039361A - Paper manufacture : en
  • US2039602A - Gas holder shell and method of fabricating the same : en
  • US2039679A - Oscillatory gear : en
  • FR797878A - Pigeon shooting : en fr
  • GB446911A - Improvements relating to tubular seat frames for vehicles : en
  • GB446733A - Improved low expansion glass for making telescope mirrors and other massive articles : en
  • CA357552A - Paper bag : en fr
  • FR798131A - Celluloid doll : en fr
  • GB446614A - Improvements in the manufacture of aliphatic alcohols : en
  • US2039286A - Marine stoker : en
  • US2039622A - Condenser : en
  • US2039820A - Railway traffic controlling apparatus : en
  • DE629530C - Device for the mutual support of sheet piles : de en
  • DK51603C - Depot ship for Aircraft. : da en
  • AU2383935A - Improvements relating to settings of retorts for use inthe distillation of solid carbonaceous substances : en
  • FR797885A - Improvements to carrier wave transmission systems : en fr
  • US2039459A - Process for treating hydrocarbons : en
  • GB447189A - Improvements in or relating to sheet metal drums and other containers : en
  • FR797946A - Method and apparatus for spraying paints and the like : en fr
  • GB446950A - Improvements in bottle and like container closures : en
  • DE629457C - Device for riveting machines for feeding the rivets : de en
  • GB446904A - An improved soldering machine : en
  • US2039428A - Testing apparatus : en
  • GB446959A - Jointing tubes to plates and the like : en
  • CA357664A - Rail treatment method : en fr
  • DE629588C - Sprinkler device for gas washer or the like. : de en
  • GB446790A - Improvements in means for automatically regulating an electrical quantity : en
  • GB446774A - Improvements in or relating to fluid-pressure lifts for raising vehicles and like purposes : en
  • GB446783A - Improvements in or relating to shock absorbing mounts for thermionic valves or other electrical devices : en
  • US2039545A - Link sausage heater : en
  • GB446684A - Improvements in or relating to machines for paring or trimming garments : en
  • GB446924A - Adapting household furniture to provide closable lockers or the like : en
  • DE629633C - Device for the presentation of pictures, billboards or the like with automatic picture change : de en
  • DE1373102U - : de en
  • US2040030A - Material fusing and projecting apparatus : en
  • GB446633A - Improvements in or relating to cylinder printing presses : en
  • US2039465A - Valve mechanism : en
  • US2039329A - Drying sheet material : en
  • GB446692A - Improvements relating to internal combustion engines : en
  • DE629581C - Process for sizing textiles : de en
  • GB446964A - Improvements in adjustable air-propellers : en
  • FR797792A - Improvements to alarm rings and similar clockwork mechanisms : en fr
  • FR797820A - Adjustable support for parasol, parasol, etc. : en fr
  • DE629578C - Foot bridge firmly attached to the shoe or loosely inserted : de en
  • FR798125A - Improvement in hydraulic couplings : en fr
  • GB447029A - Improvements relating to vitreous enamel compositions or frits for the production of signs, decorations or the like by stencilling : en
  • FR797980A - Free-expansion glazing, without sealant : en fr
  • US2039621A - Apparatus for pumping deep wells : en
  • US2040015A - Valve device : en
  • US2040019A - Pipe construction : en
  • US2039758A - Extendible garment support : en
  • US2039472A - Printing press tension device : en
  • US2039559A - Cigarette case : en
  • US2039663A - Receiver manual and automatic gain control circuits : en
  • US2039930A - Machine gun : en
  • US2039937A - Oil combustion apparatus : en
  • FR797791A - Process for manufacturing fine cheese and resulting product : en fr
  • FR797958A - Hydraulic control mechanism : en fr
  • GB446601A - Improvements in vertical retorts for the carbonisation of coal and like materials : en
  • FR797752A - Clutch refinements : en fr
  • FR797917A - Vertical chamber furnace : en fr
  • FR797936A - Horseshoe nail : en fr
  • GB446775A - Improvements in and relating to printing plates for offset printing : en
  • US2039420A - Method of constructing, repairing, and widening concrete roads : en
  • US2039731A - Toy : en
  • US2039761A - Container door and charging hole cover : en
  • US2039908A - X-ray system : en
  • USD99565S - Design for a table : en
  • GB447041A - Improvements in and relating to printing machines : en
  • USD99516S - Design fob a butter dish : en
  • USD99549S - Design fob a decorative waterproof : en
  • US2039633A - Golf ball practice device : en
  • US2039810A - Tabulating machine : en
  • US2039850A - Combination shrimp cleaner and culinary implement : en
  • US2039853A - Method of and apparatus for melting glass by electricity : en
  • US2040005A - Toy vehicle : en
  • US2039927A - Glass annealing nesting rack : en
  • US2039306A - Manufacture and treatment of artificial silk and the like : en
  • GB446883A - Process for the production of mercurised printing plates : en
  • DE629729C - Device for the continuous dehydration of water : de en
  • US2039315A - Carton : en
  • US2039461A - Slip-on band for v-belts : en
  • US2040037A - Pocket scale : en
  • US2039644A - Selective switch : en
  • US2039682A - Convertible seat for motor vehicles : en
  • DK51583C - Power transmission system using compressed air. : da en
  • CA357635A - Hydraulic press surge valve : en fr
  • US2039886A - : en
  • US2039902A - Faucet : en
  • US2040020A - Carburetor : en
  • US2040044A - Plow : en
  • CA357686A - Sun ray indicating terrestrial globe : en fr
  • FR797991A - Improvements made to airplanes equipped with an automatic fire muzzle : en fr
  • GB446845A - Improvements relating to slicing machines : en
  • FR797760A - Automatically adjustable production coffee grinder : en fr
  • GB446863A - Improvements in or relating to the manufacture of cigarettes having mouthpiece inserts or filter tips : en
  • GB446933A - Improvements in or relating to control grids or baffles for low pressure electric arc converters : en
  • CA357541A - Trailer : en fr
  • DE629511C - Process for the production of veined, grained or marbled picture, curtain and wallpaper strips by mechanical means : de en
  • DE629538C - Procedure for separating : de en
  • DE629561C - Machine for the production of involute-shaped curved teeth on bevel gears by means of a cutting wheel : de en
  • US2039477A - Egg boiling device : en
  • DE629458C - Container for photographic roll paper : de en
  • FR797847A - Gas tightness device for large doors and other closures : en fr
  • USD99537S - Design for a curtain fabric : en
  • AU173036A - Thyratron : en
  • CA357639A - Safety razor : en fr
  • DE629725C - Security device against theft of motor vehicles : de en
  • GB446675A - A new or improved valve for controlling the flow of fluid : en
  • GB447183A - Improvements in or relating to methods of and means for feeding molten glass to glassforming machines : en
  • US2039474A - Curb and fender locator : en
  • USD99524S - Design for a lamp : en
  • USD99558S - Design for a dish or similar article : en
  • DK51590C - Aluminum alloys for the production of castings. : da en
  • DE629676C - Transport lock for clock pendulum : de en
  • US2039726A - Pneumatic tire : en
  • US2039793A - Electrical distribution system : en
  • US2039327A - Pen point : en
  • US2039596A - Sleeve former : en
  • DK51584C - Runway for Dynamo Wheels by Bicycles. : da en
  • FR797976A - Light-solid colored lacquers and their production process : en fr
  • US2039833A - Method and apparatus for roasting and heat treating ores and minerals : en
  • US2039525A - Internal combustion engine : en
  • DE629755C - Deep drilling with flushing water : de en
  • DE629713C - Wing drive for shaft generation system : de en
  • US2039974A - Resistance unit : en
  • US2039362A - Dish-supporting rack : en
  • US2039653A - Manufacture of the oxide and the chloride of magnesium : en
  • US2039352A - Game : en
  • GB446794A - Improvements in and relating to methods of treating silicon steel : en
  • AU2260535A - Improved water closet cistern outlet valve : en
  • DE629757C - Dry ice biscuit freshener with automatically adjustable cooling : de en
  • GB446656A - Improvements in or relating to exposure meters for use with photographic cameras : en
  • GB446760A - Improvements in and connected with weaving frames for use in connection with apparatus for hand weaving : en
  • GB446817A - Improvements in or relating to the colouration of materials : en
  • US2039456A - Electric motor unit : en
  • CA357594A - Light measuring instrument : en fr
  • GB446776A - Improvements in or connected with combined domestic boilers and washing machines : en
  • DE629722C - Method and device for uniformly mixing powdery material : de en
  • GB446593A - Improvements in and relating to a combined air and liquid cooling system of internal combustion engine cylinders : en
  • GB446740A - Improvements in or relating to ships and the like : en
  • GB446792A - Improvements in or relating to method of stabilizing shortening, and the improved shortening resulting therefrom : en
  • CA357657A - Computing and printing machine : en fr
  • US2040056A - Dewaxing hydrocarbon oil : en
  • AU2190735A - Improvements in modulating and demodulating apparatus : en
  • US2039438A - Wire rope machine : en
  • US2039551A - Rotary bit : en
  • DE629433C - Device for the continuous production of fine-grained fur : de en
  • CA357687A - Photographically sensitive element : en fr
  • US2039969A - Game device : en
  • US2039988A - Radio antenna unit : en
  • US2040016A - Rotisserie : en
  • USD99502S - Design fob a spoon ob otheb abticle : en
  • US2039884A - Suspenders : en
  • GB446872A - Improvements in ink ribbon mechanism for typewriting machines : en
  • US2039552A - Target : en
  • US2039774A - Door structure : en
  • US2039447A - Closure : en
  • US2039905A - Circuit analyzer : en
  • FR797963A - Method of assembling metal plates or panels : en fr
  • GB446956A - Improvements in electric discharge tubes : en
  • DE629590C - Periscope for stomach and intestinal examination : de en
  • FR797781A - Machine for the production of rubber fibers : en fr
  • CA357539A - Hair winding device : en fr
  • DE629579C - Footwear with a layer of flexible material provided between the insole and the outsole : de en
  • GB446713A - Improvements in and relating to moisture-proof sheets, films and coatings : en
  • US2039725A - Jacquard strip : en
  • US2039786A - Spare tire cover : en
  • US2039960A - Automobile door check : en
  • US2039967A - Method of manufacturing pipe caps : en
  • US2040067A - Plumbing apparatus : en
  • CA357642A - Amusement device : en fr
  • AU2235235A - Improvements relating tothe electrolysis of water : en
  • CA357563A - Tobacco merchandise processing : en fr
  • CA357627A - Railway interlocking system : en fr
  • US2039475A - Flexuously compacted conductor : en
  • CA357644A - Air brake : en fr
  • CA357572A - Eyeglass device : en fr
  • CA357621A - Sensitive photographic element : en fr
  • FR797949A - Improvements to gaming tables, offices or other : en fr
  • FR797970A - Improvements to anti-glare devices for vehicle headlights : en fr
  • US2039410A - Slidable clip : en
  • US2039647A - Airway beacon : en
  • GB446700A - Improvements in joint-making gaskets : en
  • CA357676A - Electric heater : en fr
  • US2039317A - Vehicle : en
  • US2039812A - Signaling system : en
  • AU2237135A - Improvements in safety razors : en
  • US2039754A - Machine drive : en
  • US2039973A - Clamp : en
  • CA357645A - Carton closing machine : en fr
  • CA357586A - Anti-friction bearing : en fr
  • CA357638A - Slide fastener : en fr
  • CA357531A - Cinematographic device : en fr
  • FR797810A - Support device in particular for flasks or other containers : en fr
  • US2039729A - Self-lapping brake valve : en
  • US2039887A - Waterproof purse : en
  • CA357567A - Necktie : en fr
  • CA357659A - Alternating current magnet : en fr
  • CA357613A - Photographic apparatus : en fr
  • US2040036A - Rotary explosive engine : en
  • US2039705A - Brake and door interlock device : en
  • US2039520A - Core drill : en
  • AU2244335A - Fencing tool : en
  • FR798112A - Process for preparing cast iron and malleable cast iron, using ferrous alloys in briquettes : en fr
  • US2039358A - Thermally operated valve : en
  • DE602212C - Process for treating fuel gas for distribution networks : de en
  • FR798025A - Improvements to agricultural implements : en fr
  • US2039562A - Round ended building : en
  • FR797893A - Connection for pressure lubrication system : en fr
  • GB446874A - Improvements in or relating to arrangements for turning rail and road vehicles and the like : en
  • FR798081A - Automatic electricity sales device with adjustable gear device for changing the unit price : en fr
  • FR798085A - Improvements to tubular rivets and to processes and apparatus for their installation : en fr
  • FR798124A - Further development in power transmission systems : en fr
  • GB447185A - Manufacture of polynuclear cyclic alcohols : en
  • GB446861A - Adjustable buckle structure : en
  • US2039790A - Method and apparatus for burning oil : en
  • US2039326A - Pen : en
  • US2039403A - Automobile ventilation : en
  • FR797891A - Household or other waste dump, in a collecting duct : en fr
  • DE622089C - Isolation vessel : de en
  • US2039673A - Brooder : en
  • US2039923A - Superheterodyne receiver : en
  • USD99552S - Design for a storage battery case : en
  • US2039454A - Weaving of fabrics : en
  • US2039945A - Locked drilling safety joint : en
  • US2040039A - Phenolic morpholines : en
  • US2039519A - Pay station coin collecting system : en
  • US2040013A - Tube cap : en
  • US2040034A - Clutch : en
  • US2039610A - Dandy roll : en
  • US2039618A - Automatic control circuits : en
  • DE629552C - Self-seller for gas : de en
  • FR798144A - Device for the automatic return of the bench carriage : en fr
  • GB447188A - Torsional vibration damper : en
  • FR797938A - Rotary control : en fr
  • US2039543A - Process for the manufacture of acetone : en
  • USD99553S - Design fob a parking meter : en
  • FR797830A - Detachable catapult aircraft launch platform : en fr
  • FR797899A - : fr
  • FR797904A - Device for determining the combustible constituents in a gas mixture, in particular flue gas : en fr
  • GB446826A - Improvements in or relating to evaporators, such as for the concentration of milk : en
  • FR797982A - Loud speaker : en fr
  • GB446962A - An improved anti-dazzle device for vehicle lamps : en
  • GB446884A - Improvements in or relating to apparatus for the manufacture of metal sign plates : en
  • GB446965A - Improved means for facilitating the securing of fabric covering to the roof of a motor vehicle body : en
  • FR797795A - Improvements in the layout of firing facilities, in particular on board aircraft : en fr
  • GB446815A - Improvements in or relating to walls or in or relating to bricks, tiles, slabs, or the like, for use in the construction of walls : en
  • US2039966A - Selector : en
  • US2039600A - Card printing machine : en
  • US2039832A - Record verifying machine : en
  • US2040009A - Safety razor : en
  • FR798017A - Filter tip for cigarettes or cigars : en fr
  • US2040042A - Dirt indicator for lubricating oil : en
  • CA357640A - Sieve : en fr
  • FR797996A - Improvements in television and analogue transmitting systems : en fr
  • US2039379A - Conversion of hydrocarbon oils : en
  • US2039689A - Trailer hitch coupling : en
  • US2039955A - Method of and apparatus for melting glass : en
  • US2039354A - Heavy oil carburetor : en
  • US2039634A - Heterodyne receiver radiation suppressor : en
  • US2039724A - Jacquard strip : en
  • CA357675A - Aesthetic belt : en fr
  • DE629657C - Device for uninterrupted hardening of wires, tapes or the like. : de en
  • DE629686C - Billiard chalk : de en
  • AU2355335A - Improvements in or relating toa process of producing normal butyl alcohol, acetone and ethyl alcohol : en
  • DE629525C - Process for the production of an antiseptic, fat-like paste that can easily be grasped with tweezers for the permanent supply of amputated tooth root nerves : de en
  • US2039719A - Cylinder block reamer : en
  • GB446681A - Process for the manufacture of trisazodyestuffs : en
  • GB446944A - Improvements in finger stalls for surgical purposes : en
  • FR797935A - Process for obtaining acetylene polymerization products : en fr
  • FR798040A - Improvements to in-store cinematographic equipment : en fr
  • GB447055A - Improvements in or relating to heat insulating covers for radiators of motor vehicles and for like purposes : en
  • US2040062A - Welding torch apparatus : en
  • FR798019A - Clutch, variable and progressive speed reducer-multiplier, 100% automatic, acting by decentring the engine torque to the resistive torque : en fr
  • US2040045A - Railway car construction : en
  • DE629544C - Device for the use of the flushing method for laying cables in shallow water from a vehicle : de en
  • US2039490A - Apparatus for peeling vegetables : en
  • US2039686A - Trim panel : en
  • GB446781A - Improvements relating to the hydration of olefines : en
  • US2039845A - Synchronizing flywheel and gear drives : en
  • FR797872A - Oscillograph according to the Johnsen-Rahbeck principle : en fr
  • US2039924A - Air-operated regulator : en
  • US2039394A - Christmas tree ornament : en
  • US2039614A - Stove construction : en
  • US2039400A - Bearing support : en
  • US2039784A - Sheet feed retarding mechanism for printing presses : en
  • FR798012A - Method and device for simultaneously performing the backwashing, subdivision and compression of rough cast iron and steel blocks with cross-section : en fr
  • FR798096A - Improvements to metal curbs : en fr
  • FR797770A - Method and apparatus for measuring the tension of gas-tight fabrics and coverings : en fr
  • USD99538S - Design for a valve : en
  • USD99554S - Design for a padlock : en
  • US2039867A - Inking mechanism for printing machines : en
  • US2039292A - Hygroscopic apparatus : en
  • US2039393A - Method of impregnating wood : en
  • US2039869A - Synchronizing system : en
  • US2039944A - Method of and device for deep sea dredging : en
  • US2040057A - Manufacture of lubricating oil : en
  • GB446757A - Process for the desulphurisation of viscose artificial silk : en
  • GB446975A - Improvements in or relating to electron discharge devices : en
  • CA357565A - Vehicle chassis : en fr
  • GB446606A - Improvements in and relating to electron discharge devices : en
  • GB446583A - Manufacture of anti-halation layers and filter layers : en
  • DE629659C - Moving grate : de en
  • DK51591C - Mercury switchgear, in particular for railway crossing signals. : da en
  • GB446926A - Improvements in and relating to devices for delivering measured quantities of liquids : en
  • DE629526C - Skin protection products : de en
  • USD99495S - Design for a shoe : en
  • GB446706A - Improvements in or relating to apparatus for playing table football games : en
  • FR798063A - Hubcap for furniture walls : en fr
  • US2039664A - Drive device : en
  • US2040060A - Electrical indicating instrument : en
  • USD99541S - Design fob a grease gun back : en
  • US2039640A - Switching system : en
  • FR798129A - Advanced sewing machine : en fr
  • US2039659A - Electrical musical instrument : en
  • US2039910A - Dual oil burner control system : en
  • DE629539C - Device for marking certain positions of the paper cart on typewriters and similar machines : de en
  • GB447061A - Improvements relating to the use of hand-composed matrices in typographical line-casting machines : en
  • FR797780A - Stamping press with crank, comprising a device for holding the sheets, actuated by percussion members : en fr
  • FR797926A - Closing device, in particular for devices used to produce foam to extinguish fires : en fr
  • US2040008A - Coupling-head : en
  • GB446625A - Process for the manufacture of reinforced concrete pipes and the like hollow bodies : en
  • US2039371A - Liner pulling device : en
  • US2039999A - Refrigeration compressor : en
  • US2039950A - Apparatus for effecting intimate contact between liquids and gases : en
  • GB446715A - Improvements in magnet assemblies and permanent magnets therefor : en
  • FR797798A - Method for launching gliding devices : en fr
  • GB446717A - Humane safety rabbit and vermin trap : en
  • GB446638A - Liquid dispensing container : en
  • US2040032A - Piston : en
  • US2039387A - Multiple conduit section : en
  • US2039462A - Process of clamping wires and wire clamp : en
  • US2039571A - Dyestuffs of the triarylmethane series : en
  • US2039978A - Electric discharge lamp : en
  • CA357665A - Electric welding apparatus : en fr
  • US2039828A - Railway switch controlling apparatus : en
  • DE629519C - Illuminated water level indicator : de en
  • DE629595C - Process for the preparation of anhydrous ethyl alcohol : de en
  • GB446802A - Improvements in control of heating and ventilating equipment for vehicles : en
  • GB446724A - Improvements in files : en
  • GB447058A - Improvements in or relating to the production of benzene hexachloride : en
  • US2039806A - Punching machine : en
  • US2040049A - Sound excluding window : en
  • USD99542S - Design for a grease gun rack : en
  • FR797959A - Improvements made to waste oil cracking processes : en fr
  • CA357550A - Carbonaceous material production : en fr
  • USD99557S - Design for a chair : en
  • GB446626A - Improved apparatus for producing pressure in containers for liquids by means of solid carbon dioxide : en
  • US2039948A - Combined air circulator and draft regulator for hot air furnaces : en
  • FR797941A - Handheld device for sanitizing tobacco smoke : en fr
  • FR798143A - Process for extinguishing fires and device including application : en fr
  • GB446699A - Improvements in footwear : en
  • DE629724C - Automatic, intermittently working pressurized gas liquid lifter : de en
  • FR798099A - Threading method and device : en fr
  • GB446640A - Improvements in or relating to starting or stopping devices for auxiliary apparatus or compressors : en
  • FR797796A - Refined hides and their preparation process : en fr
  • GB446615A - Electrical luminous discharge device for the production of green light and glass tubing for the manufacture thereof : en
  • GB446821A - Method and apparatus for hardening the surfaces of metal articles : en
  • GB446842A - Improvements in or relating to buffers for railway and like vehicles : en