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  • US2051469A - Scavenging of two-cycle engines : en
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  • USD100895S - Design fob a dress ob similar abticle : en
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  • CA359850A - Speed gear : en fr
  • USRE20069E - Method and apparatus fob : en
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  • US2051544A - Ophthalmic mounting : en
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  • FR801910A - Ball dispenser barrel : en fr
  • FR801805A - Improvements in the extraction of volatile hydrocarbons, by treatment of solid or high-boiling hydrocarbons : en fr
  • GB452266A - Improvements in or relating to anti-dazzle spectacles : en
  • CA359964A - Roller bearing : en fr
  • FR801757A - Vehicle wheel : en fr
  • GB452031A - Improvements in or relating to communication systems : en
  • DE634107C - Vice for die setting and line casting machines, in which the ends protruding over the line of dies cover the casting slot with a casting surface in such a position that the unprinted parts of the upper edge of the line can be used to carry printing blocks : de en
  • GB452431A - Improvements relating to systems for the remote control of railway signals and the like : en
  • US2051070A - Crankpin truing device : en
  • AU2383535A - An improved rubber composition : en
  • GB452355A - Improvements in or relating to electron discharge tubes and circuit arrangements incorporating the same : en
  • US2051289A - Power transmission : en
  • US2051471A - Process for treating convertible substance : en
  • US2051793A - Cleaning apparatus for high draft mechanisms with endless belts : en
  • FI17170A - Can or tin key : en fi
  • US2051487A - Scale : en
  • FR801931A - Manufacturing process of soda ash : en fr
  • DE634162C - Procedure for the operation of shut-off devices in overlay remote control systems : de en
  • GB452156A - Improvements in or relating to electric fuses : en
  • US2051155A - Water treating apparatus : en
  • US2051436A - Diesel engine : en
  • US2051052A - Machine tool hydraulic control system : en
  • US2051417A - Transportation of automobiles : en
  • US2051453A - Apparatus for use in cutting sheet material into sections of predetermined length : en
  • FR801909A - Improvements to buttons, particularly buttons with fabric inlay : en fr
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  • US2051638A - Window mounting : en
  • US2051665A - Luminous label : en
  • US2051761A - Timepiece : en
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  • FI17132A - Anordning vid benkläder : en fi
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  • US2051291A - Fur trimmed article and method of making same : en
  • US2051044A - Parachute apparatus : en
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  • US2051304A - Bearing seal : en
  • DK52030C - Elastic braid with rubber thread interwoven as center wire and procedure for its manufacture. : da en
  • FR801815A - Device for drawing off and closing barrels and containers : en fr
  • US2051792A - Cabinet for phonographs : en
  • FR801801A - Rack and pinion steering for motor vehicles : en fr
  • DE634240C - Device for inserting glass current rectifier vessels built into a cage-like frame, in particular mercury vapor glass rectifiers, into a converter cabinet : de en
  • FR801802A - Indicator and control device, more particularly for tuning radio receivers : en fr
  • DE634230C - Device for atomizing paints and oils : de en
  • FR801911A - Spring ring for jewelry items : en fr
  • GB452122A - Improvements in the treatment of films, foils and the like : en
  • GB452303A - Improvements in or relating to weighing apparatus : en
  • DE634104C - Process for refining smoking tobacco : de en
  • DE634141C - Machine for making Zuendholzern : de en
  • GB452221A - Improvements in methods of producing tubular cycle handlebars : en
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  • DE634159C - Rail fastening by means of clamping plates supported in openings in rail guide ribs : de en
  • FR801938A - Device applicable to folding chairs and tables or the like : en fr
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  • GB452195A - Improvements in apparatus for decorating the surface of articles : en
  • GB452213A - Improvements in aircraft : en
  • FR801807A - Airport beacon : en fr
  • US2051104A - Frequency changing radio receiving apparatus : en
  • US2051586A - Method of making irradiation subdividing screens : en
  • US2051663A - Process of obtaining perforations in metal : en
  • DE634158C - Sheet delivery device for rotary printing machines : de en
  • CA359912A - Shortening compound : en fr
  • US2051613A - Ventilator : en
  • GB452247A - Production of hydrated magnesium silicate decolorizing materials : en
  • GB452394A - Improvements in power hammers : en
  • US2051700A - Device for clearing and cleaning clogged pipe lines : en
  • US2051074A - Rail car : en
  • GB452287A - Improvements in and relating to the manufacture of soap : en
  • DE634228C - Sharpener for non-round chalk, charcoal and. like : de en
  • US2051084A - Adjustable cap : en
  • US2051217A - Process of preparing organic acid esters of cellulose : en
  • US2051255A - Manufacture of green bloom lubricating oils : en
  • US2051587A - Wire fabric machine : en
  • US2051656A - Safety razor and blade : en
  • US2051705A - Overflow means for radiators : en
  • US2051651A - Fishhook : en
  • US2051143A - Spring cover : en
  • US2051569A - Condenser cleaning machine : en
  • USD100930S - Design for a bottle : en
  • US2051222A - Moisture applying machine : en
  • US2051313A - Valve attachment : en
  • US2051449A - Ironing machine : en
  • GB452283A - Improvements in or relating to electric switches of the push-operated type : en
  • USD100852S - Design fob a cup : en
  • GB452096A - Improvements in and connected with supports for mounts for photographs and the like : en
  • FI17174A - Cabinet for cereals, vegetables, mushrooms, etc. for drying : en fi
  • USD100885S - Design for a shoe or similar article : en
  • FR801792A - Manufacturing process for double-wall, single-base discharge lamps : en fr
  • DE634075C - Thread plug gauge with screw-shaped guide and measuring parts for measuring internal inhibition threads : de en
  • FR801826A - Improvements to propeller strainers : en fr
  • GB452334A - Electro-magnetic operating apparatus for operating the diaphragm of fuel supply pumps : en
  • US2051231A - Apparatus for curling hair : en
  • US2051233A - Dishwashing machine : en
  • US2051248A - Constant velocity universal joint : en
  • US2051772A - Safety lock construction : en
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  • GB452339A - Improvements in or relating to discharge pipes for closet or like basins or pans : en
  • GB452061A - Improved method of circulation for the heating fluid of heat economisers : en
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  • US2051067A - Cigar and cigarette extinguisher : en
  • US2051391A - Method and apparatus for processing : en
  • US2051780A - Magnetic thickness gauge : en
  • DE634226C - Suspension device for sliding doors : de en
  • USD100862S - Design for a postal scale : en
  • US2051422A - Window screen : en
  • US2051472A - Discharge tube : en
  • US2051661A - Portable projecting and sound reproducing apparatus : en
  • GB452174A - Improvements in or relating to harrow teeth : en
  • US2051203A - Suction cleaner : en
  • US2051603A - Process for the production of the explanatory titles for the pictures on cinematographic films : en
  • GB452062A - Improvements in or relating to accordions and like musical instruments having bellows : en
  • GB452189A - Automatic brake adjuster : en
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  • FR801908A - Perfected curb : en fr
  • GB452271A - Improvements in rotary piston machines : en
  • USD100856S - Design for a heater : en
  • US2051095A - Masher : en
  • US2051797A - Process for the conversion of milk and cream into butter : en
  • GB452366A - Improvements in and relating to aircraft with autorotative wings : en
  • AU2382735A - A safety device for chaff cutters : en
  • AU2552735A - Manufacture of amino-carboxylic acids which increase the surface activity : en
  • US2051652A - Container : en
  • US2051118A - Bag sewing machine : en
  • USD100859S - Design for cover paper or : en
  • FI17150A - Refractive index for the production of sintered metal, including the production of metal alloys and for the production of metal alloys : en fi
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  • US2051536A - Cellulose organic ester compositions containing phenyl cyclohexane : en
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  • GB452386A - Improvements in or relating to steam superheaters : en
  • US2051782A - Method for dehydrating phenols and mixtures containing phenols : en
  • FR801806A - Improvements to metal-lined boards : en fr
  • GB452074A - Improvements in or relating to fluid-line oilers : en
  • GB452076A - A method and apparatus for detecting water intrusion in bore holes : en
  • USD100899S - Design for a dress or similar article : en
  • US2051466A - Vehicle headlight : en
  • CA359938A - Trigger actuating mechanism : en fr
  • GB452093A - Improvements in or relating to direction finding aerial arrangements for use on aircraft and other vehicles : en
  • FR801849A - Method and apparatus for the instant production of sorbets and frozen drinks in general : en fr
  • GB452168A - Improvements relating to dial indicating mechanism for weighing apparatus : en
  • DE634236C - Gas-tight sealing of metal electrodes in vacuum tubes made of glass : de en
  • GB452060A - Improvements in or relating to grinding or tool-sharpening machines : en
  • US2051301A - Fuel supply unit for oil burners or the like : en
  • US2051334A - Reel for moving picture films : en
  • US2051791A - Magnifying and condensing device : en
  • US2051353A - Decorated fabric and method and means for making the same : en
  • US2051161A - Method of making photographic mats : en
  • US2051120A - Violanthrone derivatives : en
  • DE634266C - Method of operating a thermal device for internal combustion engines and apparatus for practicing the method : de en
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  • GB452226A - Improvements in or relating to mercerising lyes : en
  • GB452246A - Devices for producing fuel-air mixtures for internal combustion engines : en
  • GB452306A - Improved control means for wells : en
  • DK52012C - Queen Mother for Hatching of Queen bees. : da en
  • FR801837A - Mirror mounted on bracelet : en fr
  • US2051091A - Bottle carrier pocket : en
  • US2051296A - Corrugator : en
  • US2051623A - High frequency oscillator : en
  • US2051770A - Flexible coupling : en
  • USD100883S - Design fob a tank vehicle : en
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  • GB452348A - Improvements in or relating to the manufacture of spun yarn, spun or woven fabrics and other textiles : en
  • DE634283C - Process for the production of iron carbonyl : de en
  • US2051687A - Tooth brush : en
  • US2051785A - Film handling apparatus : en
  • FR801905A - Apparatus for cutting bread and all other similar products : en fr
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  • US2051157A - Anticontact cap for x-ray tubes : en
  • GB452430A - Improvements in, or relating to, the spring-suspension systems of road vehicles : en
  • AU2555935A - Improvements inthe production of hydrocarbon products by treatment of distillable carbonaceous material with hydrogenating gases : en
  • DE634281C - Edge protection consisting of a U-shaped strip for folder covers, documents or the like. : de en
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  • US2051288A - Illuminated sign element : en
  • US2051545A - Contact apparatus : en
  • CA359893A - Metal section manufacture : en fr
  • GR5979B - PERFECTIONS IN OR RELATING TO THE INDUSTRIAL SILVER CARBOY MAKING. : el en
  • CA359977A - Printing apparatus and type : en fr
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  • US2051160A - Razor blade : en
  • FR801886A - Process for preparing solid and even dyes on mid-wool or on blends of wool and linen : en fr
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  • US2051389A - Fulling fabrics : en
  • US2051670A - Clamp : en
  • DE634134C - Device for collecting metal residues or oxides : de en
  • DE634261C - Machine for folding haeten : de en
  • DK52038C - Method and Apparatus for Drying Peat and Manufacture of Peat Briquettes. : da en
  • FR801786A - Wick winder device : en fr
  • FR801948A - Illuminated display unit with changeable composition : en fr
  • GB452180A - Improvements in or relating to cutting devices for continuous rod cigarette and like machines : en
  • GB452293A - Improvements in incubators : en
  • FR801779A - Improvements in fully fashioned hosiery knitting looms : en fr
  • AU2254835A - Improvements in and relating to bricks : en
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  • FR801846A - Method and device for making cans : en fr
  • US2051601A - High frequency oscillator : en
  • US2051676A - Method for treating oysters preparatory to canning the same : en
  • FR801770A - Device for carrying packages or the like : en fr
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  • US2051533A - Apparatus for forming shoes of the prewelted type : en
  • USD100876S - Design for a candle lamp : en
  • US2051463A - Metallurgical furnace : en
  • US2051598A - Truck : en
  • US2051254A - Beach chair : en
  • US2051607A - Synthetic tanning material : en
  • GB452044A - Process for the manufacture of sulphene amides : en
  • FR801827A - Device for the storage and distribution of liquids : en fr
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  • AU2386635A - Improvements in or relating to cathode ray tubes : en
  • DE634274C - Keyhole locker with crews in the key insertion channel : de en
  • US2051789A - Apparatus for guiding and handling strip material : en
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  • US2051412A - Window sash balance : en
  • US2051480A - Elevation post for supporting luminous tubes : en
  • US2051341A - Storm and auxiliary sash hanger : en
  • US2051504A - Vulcanizing apparatus : en
  • FR801813A - Shipping envelope, rolled up in a cone shape, for making paper containers : en fr
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  • US2051595A - Truck : en
  • US2051724A - Knitting machine : en
  • DE634147C - Carbon steel with more than 0.08% phosphorus : de en
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  • FR801856A - Improvements in the manufacture of saws, cutting bars and other tools with sharp edges or of the sheets, bands or blanks used to make them : en fr
  • FR801930A - Process for the production of valuable fractions from hydrocarbon oils : en fr
  • DE634101C - High-voltage rubber cable with semiconducting layers arranged inside : de en
  • GB452065A - Improved manufacture of solid, water-soluble aluminium acetate : en
  • FR801863A - Improvement in stone setting and mounting devices : en fr
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  • GB452416A - Improved iron or steel alloy : en
  • GB452046A - Improvements relating to belt conveyors : en
  • GB452294A - Improvements in and relating to toothed gearing : en
  • US2051773A - Means for operating high frequency induction furnaces : en
  • US2051230A - Adjustable roof for haystacks : en
  • US2051439A - Percolator top : en
  • FR801780A - Advanced device for cutting hair : en fr
  • GB452439A - Improvements in or relating to thermostatically controlled valve devices : en
  • FI17146A - Opening and closing slide : en fi
  • GB452037A - Image dissector and method of electron beam analysis : en
  • GB452243A - Improvements in or relating to skates : en
  • GB452166A - Improvements relating to hydraulically operated machine tools : en
  • FR801794A - Cathode ray tube intended in particular for television applications : en fr
  • GB452232A - Improvements in or relating to the cooling of the cylinders of internal combustion engines : en
  • GB452422A - Improvements in variable speed and reversing gearing : en
  • US2051250A - Needle lubricating mechanism : en
  • US2051258A - Pneumatic gauge : en
  • DK52028C - Device with a safety valve fitted with a non-return valve for flowing steam or liquid. : da en
  • DE633982C - Process for the preparation of 4-nitroresorcinol : de en
  • DE634019C - Spooling machine with stationary spooling units and a device for loading with pay-off spools : de en
  • DE634113C - Suspension isolator with several wedge-shaped wings, one above the other, provided between the insulating body and the cap or bolt : de en
  • FR801943A - : fr
  • GB452218A - Improvements in or relating to the purification of caustic soda solutions : en
  • GB452241A - Improvements relating to liquid level indicators : en
  • GB452765A - Improved method of and means for conditioning gases by cooling : en
  • GB452274A - Improvements in or relating to pneumatic drying plant : en
  • GB452085A - Toy vehicle with spark producing device : en
  • GB452258A - Improvements in or relating to spectacle cases : en
  • GB452393A - Improvements in milking pails and the like : en
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  • US2051566A - Friction disk brake : en
  • US2051752A - Driving mechanism : en
  • GB452285A - Improvements in or relating to the manufacture of cyanhydrins : en
  • GR5986B - POT FOR QUICK BOILING OF FOOD WITH HIGH TEMPERATURE AT STEAM PRESSURES. : el en
  • US2051209A - Floating ring spinning : en
  • US2051609A - High frequency oscillator : en
  • US2051654A - Elevator push button switch : en
  • US2051059A - Tennis racket stringer : en
  • US2051270A - Rotary tool : en
  • US2051655A - Lifting device : en
  • US2051699A - Seeder machine : en
  • USD100881S - Design for an ornament for a shoe : en
  • USD100846S - Design for a shoe : en
  • FR801782A - Sound-slit optical system : en fr
  • FR801889A - Process for the recovery of volatile solvents in oil and grease extraction plants : en fr
  • FR801925A - Device for monitoring the length of the journey traveled by a vehicle : en fr
  • GR5988B - ZONE - HEALTH STRAP. : el en
  • DE634119C - Device for cutting the pads of sanitary napkins and feeding them to the wrapping machine : de en
  • US2051178A - Combined oscillator-detector circuit : en
  • US2051183A - Wire-bound book : en
  • US2051474A - Motor vehicle brake : en
  • US2051208A - Photometer : en
  • US2051776A - Process for converting hydrocarbon oils : en
  • DE634157C - Casting mold for casting exclusion bodies : de en
  • CA359902A - Egg tester : en fr
  • FR801914A - Palate plate with reinforcing rib for dental prosthesis : en fr
  • GB452054A - Improvements in and relating to heater elements for indirectly heated thermionic cathodes : en
  • GB452154A - Improvements in multi-filament electric incandescent lamps : en
  • GB452155A - Improvements to or relating to weighing machines : en
  • US2051653A - Apparatus for casting interlocking rings : en
  • GB452340A - Improvements in or relating to closet or like water-sealed basins or pans : en
  • FI17158A - Fettsmörjkopp : en fi
  • US2051606A - Motor vehicle control device : en
  • US2051633A - Soundboard for pianos and other instruments or devices using soundboards : en
  • GB452080A - Means for the production of frequency-modulated electrical oscillations : en
  • GB452646A - Process of treating leather and furs : en
  • GB452360A - Improvements in or relating to roadway supports for use in coal mines and the like : en
  • US2051266A - Catalytic oxidation of polyhydric alcohols : en
  • US2051672A - Powder dispenser : en
  • FR801894A - Precipitation chamber for electrical gas cleaning systems : en fr
  • USD100905S - Design for a lace : en
  • US2051156A - Butter tub reconditioning machine : en
  • DE634017C - Device for controlling the delivery rate during operation for piston pumps with crankshaft drive and unchangeable piston stroke : de en
  • US2051219A - Preparation of hydroxyalkyl esters of the dicarboxylic acid esters of cellulose and the products resulting therefrom : en
  • USRE20071E - Mtxnt offxge : en
  • US2051097A - Banding apparatus : en
  • USD100841S - Design for a pull for slide fasteners : en
  • FR801820A - Improvements to attachment devices : en fr
  • FR801864A - Automatic bobbin change device for looms : en fr
  • GB452141A - Improvements in or relating to the laying of submarine electric cables : en
  • FR801851A - cigarette case : en fr
  • GB452369A - Improvements in methods of and apparatus for picture transmission : en
  • GB452040A - Improvements relating to refuse bins, soiled linen containers and the like : en
  • GB452376A - Improvements in lighters for cigarettes or the like : en
  • DE634115C - Electric heater for cooking, roasting and drying devices : de en
  • DE634260C - Measuring chamber for determining the instantaneous skin surface dose for irradiation with X-rays : de en
  • FR801777A - Method and device for cooling internal combustion engines and in particular explosion turbines : en fr
  • GB452045A - Improvements in or relating to anodes for electron discharge devices : en
  • CA359865A - Soil pulverizer : en fr
  • GB452027A - Improvements in and relating to turbine blades : en
  • GB452187A - Improvements in or relating to fluid conditioning means : en
  • USD100844S - Design for a plate ob similar article : en
  • USD100906S - Design for a lace : en
  • FR801817A - Improvements to rail traffic control devices : en fr
  • US2051488A - Chain tightener : en
  • DE634253C - Motor vehicle, in particular rail vehicle with flywheel storage : de en
  • GB452066A - Improvements in and relating to vests : en
  • GB452252A - Improvements in connection with combined adjustable desks and seats : en
  • US2051426A - Slicing utensil : en
  • USD100911S - Design fob a lace : en
  • CA359863A - Zigzag folding map : en fr
  • DE609951C - Skill game : de en
  • GB452223A - Improvements in steam distributing pipe systems : en
  • GB452160A - Improvements in or relating to the treatment of textile filaments, yarns and other materials : en
  • US2051227A - Ashtray screen cover : en
  • US2051268A - Alarm device : en
  • GB452255A - Improvements in speedometers of the periodic-counter type : en
  • GB452120A - Improvements in and relating to counter display cards : en
  • DK52031C - Puree press. : da en
  • US2051167A - Full-fashioned hosiery and the method of production thereof : en
  • US2051214A - Locking and releasing hand brake mechanism for railway cars : en
  • GB452427A - Process for splitting up a liquid mixture into its components or groups of components : en
  • DE634192C - Device for operating electrostatic separators : de en
  • USD100924S - Design fob a transportable stage : en
  • GB452026A - Improvements in typographical slug casting machines : en
  • FR801895A - Radio-electricity collecting antenna : en fr
  • GR5977B - PACKAGING BOX OF FRESH GRAPES. : el en
  • FI17161A - Continuous treatment of a mixture of substances, e.g. pulp with chemicals, and an apparatus for carrying it out : en fi
  • US2051063A - Hair waving unit : en
  • CA359869A - Bituminous compound for aggregates : en fr
  • FR801808A - Permanent generator of radioactive emanations : en fr
  • US2051547A - Piston : en
  • US2051778A - Isolating hanger : en
  • US2051745A - Leavening process : en
  • US2051434A - Accumulator system for calenders : en
  • US2051496A - Drive mechanism for motor vehicles : en
  • CA359929A - Spark plug : en fr
  • US2051428A - Hinge : en
  • AU2399835A - Improved apparatus for use inthe tempering of glass sheets : en
  • DE634033C - Process for the preparation of dodecahydrotriphenyls : de en
  • GB452201A - Improvements in and relating to packing devices for shafts or other bodies : en
  • USD100855S - Design fob a shoe or similar article : en
  • US2051024A - Cushioning mechanism : en
  • DE634034C - Process for the preparation of crystallized digitalis glucosides : de en
  • DE634222C - Silencer : de en
  • AU2485335A - Improvements in or relating tothe manufacture of polishing wax compositions : en
  • US2051494A - Air-cooled seat cushion : en
  • US2051218A - Inhibitor for pickling of metals : en
  • CA359958A - Sprayer : en fr
  • US2051540A - Thermometer : en
  • AU2334535A - Improvements insound reflectors and baffle boards relating to wireless loudspeakers : en
  • GB452164A - Improvements in or relating to bottles or like liquid containers : en
  • US2051249A - Electrical driving machine : en
  • DE634257C - Electrical discharge vessel : de en
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  • AU2563335A - Process for impermeabilizing and tightening grounds, earthy and stony masses and structures, and of filling the voids, cavities and fissures therein : en
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  • US2051294A - Automatic valve : en
  • US2051333A - Sole trimming machine : en
  • US2051126A - Naphtha cleaning plant : en
  • DE634140C - Filling device, in particular for filling fountain pen holders : de en
  • AU2397435A - Improvements in magnetic cores and methods of producing them : en
  • US2051190A - Machine for feeding, stacking, and boxing articles : en
  • FR801800A - Table slide with external metal junction : en fr
  • CA359888A - Hopper capacity adjusting mechanism : en fr
  • CA359936A - Railway car refrigeration : en fr
  • US2051293A - Electric meter : en
  • US2051180A - Automatically operated valve mechanism : en
  • CA359955A - Adjustable curtain : en fr
  • CA359969A - Packing case : en fr
  • DE634239C - Cooling device for glass rectifiers, in particular mercury vapor glass rectifiers, with a cooling system for liquid coolants placed in the path of the cooling air flow : de en
  • GB452229A - Improvements in the manufacture of short fibre rayon yarns : en
  • US2051145A - Chlorinated aryl-thiazoles and process for their production : en
  • US2051648A - Truck : en
  • AU2338435A - An improved trailer for road vehicles : en
  • DE634218C - Device for boiling eggs : de en
  • US2051132A - Refrigerator door : en
  • US2051342A - Hanger for draperies : en
  • FI17136A - Värmeutbytesanordning för rörsystem : en fi
  • FR801924A - Metal formwork device : en fr
  • GB452108A - Improvements in and relating to switch frog operating gear for overhead electric conductors : en
  • US2051378A - Protective system for power lines : en
  • FR801839A - Process for preparing valuable products from organic unsaturated or aromatic, or unsaturated and aromatic compounds : en fr
  • US2051329A - Lens grinding machine : en
  • US2051385A - Free-wheeling system for vehicles : en
  • DE634143C - Handset for additional trimming of tiles or the like. : de en
  • FR801945A - Suction foot for pumps : en fr
  • GB452343A - Improvements in or relating to electron discharge devices : en
  • US2051766A - Method of making phenol-type resins : en
  • GB452206A - Improvements relating to spirometers : en
  • DE634263C - Storm protection for loading bridges or the like. : de en
  • US2051153A - Method and apparatus for recording elastic waves : en
  • GB452217A - Coupling device for chains or the like : en
  • GB452236A - Improvements in or relating to piezo-electric oscillating crystals : en
  • US2051726A - Concealed door hinge : en
  • USD100857S - Design for a shoe buckle : en
  • GB452436A - Manufacture of nitro-compounds and amino-compounds of substituted benzotrifluorides : en
  • DE634078C - Light ignition dynamo for motor vehicles : de en
  • GB452036A - New dyestuff printing preparations : en
  • DE634267C - Stroke control device for internal combustion piston compressors : de en
  • US2051295A - Automatic valve and system of control therefor : en
  • GB452319A - Improvements in apparatus for drying towels and other articles : en
  • DE634262C - Heatable screw press for making dentures : de en
  • US2051602A - Intermittent mechanism for motion picture apparatus : en
  • USD100910S - Design fob a lace : en
  • US2051173A - Garment supporter link : en
  • US2051567A - Dust catcher : en
  • USD100877S - Design for a cutting blade : en
  • FR801881A - Method and apparatus for the manufacture of sheet glass : en fr
  • GB452075A - Feeding-mechanism for arc lamps with rotating carbons : en
  • US2051377A - Electrode holder for searchlights : en
  • FR801791A - Liquid or pulverized solid fuel burner or other fuel, for normal or reduced capacity fireplaces : en fr
  • GB452406A - Improvements in and relating to screens for cathode ray apparatus : en
  • DE634225C - Pedal lever drive for bicycles : de en
  • US2051727A - Preformed media for biological oxidation : en
  • DE634209C - Process for the production of controllable resistors : de en
  • US2051267A - Brush holder : en
  • GB452421A - Improvements in dyestuff mixtures : en
  • DE634296C - Hanging, full-walled bag made of impermeable material, such as paper, etc., for holding evaporating agents in tablet or lump form, e.g. for pest control : de en
  • GB452313A - Improvements in or relating to tents or the like and more particularly but not essentially to means for protecting motor vehicles : en
  • GB452341A - Improvements in electromagnetic relays : en
  • GB452094A - Improvements in methods of making piston pins : en
  • US2051526A - Means for producing special effects in motion picture photography : en
  • USD100847S - Design for a shoe : en
  • GB452328A - Improvements in or relating to web-renewing devices for printing machines : en
  • US2051381A - Anchor member for load bracings : en
  • GB452181A - Improvements in and relating to pump controlling mechanism : en
  • US2051500A - Time lock : en
  • FR801853A - Process for recovering the soda contained in the detergents, after treatment of the wood, with a view to obtaining cellulose pulp : en fr
  • GB452309A - Improvements in and relating to enclosed lifeboats for ships : en
  • US2051340A - Fountain brush : en
  • US2051382A - Spraying device : en
  • GB451967A - Fastening device for straps or the like : en
  • US2051476A - Game construction : en
  • DE634298C - Device for adjusting the ignition point in combustion engines : de en
  • USD100933S - Design fob a textile fabric : en
  • US2051259A - Fishing reel : en
  • US2051350A - Valve : en
  • US2051621A - Reed block for accordions : en
  • US2051262A - Piston : en
  • US2051711A - Envelope : en
  • US2051148A - Watersoluble diazoamino compounds : en
  • US2051701A - Yarn finger for knitting machines : en
  • USD100901S - Design for a glove : en
  • USD100913S - Design for a display card for dolls : en
  • US2051769A - Refrigerating apparatus : en
  • FI17156A - Regulation of the motor vehicle manufacturer : en fi
  • GB452214A - Improvements in or relating to blasting cartridges or borehole charges : en
  • GB452362A - Manufacture of rubber goods from rubber latex : en
  • FR801891A - Industrial product consisting of a suspended scale : en fr
  • GB452182A - Improvements in or relating to multi-disc rollers : en
  • GB452318A - Improvements in electric heating elements for air heaters and the like : en
  • US2051077A - Ornamental material : en
  • US2051735A - Tensioning device for flexible members : en
  • FR801882A - Improvements to folding seats with backrest : en fr
  • US2051365A - Side wing construction : en
  • US2051743A - Apparatus for producing gas : en
  • AU2250635A - Improvements relating tothe supply of combustible mixture toan internal combustion engine : en
  • US2051045A - Violanthrone derivatives : en
  • FR801927A - Sweet product for morning breakfast : en fr
  • US2051039A - Self-watering battery : en
  • USD100886S - Design for a game board : en
  • US2051431A - Gas burner : en
  • US2051597A - Self-serving filling station : en
  • US2051367A - Seal : en
  • USD100889S - Design for a dress or similar article : en
  • DE634111C - Process for preserving grains of calcium cyanamide : de en
  • US2051650A - Truck : en
  • CA359857A - Last reforming machine : en fr
  • US2051147A - Automatic valve : en
  • US2051503A - High frequency transmitting circuit : en
  • US2051354A - Coking hydrocarbon oil : en
  • US2051571A - Motor vehicle : en
  • US2051093A - Display rack : en
  • US2051716A - Grinding mill : en
  • US2051042A - Tire pressure measuring device : en
  • US2051206A - Film magazine : en
  • US2051725A - Switch : en
  • GB452411A - Improvements in and relating to porous consolidated products of metal and/or metal carbides : en
  • DE634215C - Machine for processing wooden and stone floors or the like with a horizontally rotating disc brush : de en
  • FR801803A - Safety-closing door opening device : en fr
  • FR801822A - Game device : en fr
  • DK52015C - Lampshade. : da en
  • DE634245C - Device for transferring workpieces with a closed base, e.g. Bachelor button pin parts : de en
  • US2051111A - Glove : en
  • DE634024C - Electrodynamic oscillation system, especially for sound reproduction devices : de en
  • DE634181C - Device and method for injecting steam into the charging of chamber furnaces for coke and gas production : de en
  • FR801896A - Rectilinear motion switch usable, in particular, in telephone systems : en fr
  • GB452311A - Improvements relating to paper machines : en
  • FR801854A - Support device for the tubes of forced circulation steam generators : en fr
  • US2051139A - Key cutting tool : en
  • US2051279A - Mineral wool : en
  • US2051041A - Typewriting machine : en
  • GB452148A - Improvements in or relating to television and like receivers : en
  • CA359978A - Agitating mixer : en fr
  • DE634207C - Cam roller switches, especially for radio sets : de en
  • DE634232C - Tobacco leaf stalking machine : de en
  • CA359945A - Bright zinc plating : en fr
  • US2051355A - Valve : en
  • US2051573A - Late news mechanism for printing machines : en
  • US2051554A - Grinding and packing device : en
  • US2051583A - Method for making reflex copies : en
  • US2051465A - End connection for flat metal strip guard rails : en
  • US2051514A - Discharge controlling device for storage batteries : en
  • US2051323A - Stovepipe : en
  • AU2388835A - Improvements in and relating to gutter brackets, overstraps andthe like : en
  • US2051085A - Universal coupler : en
  • AU2413935A - Improvements in and relating to band strapping machines : en
  • US2051736A - Container : en
  • US2051049A - Automatic pressure gauge and regulator : en
  • US2051697A - Liquid cleaner for silverware : en
  • US2051581A - Air control mechanism : en
  • US2051664A - Refrigerating system : en
  • FR801862A - Hermetic closure system for containers : en fr
  • GB452368A - Improvements in and relating to screens for cathode ray apparatus : en
  • US2051443A - Rotary plow : en
  • US2051605A - Truck : en
  • US2051142A - Child's apron : en
  • US2051204A - Internal combustion engine : en
  • US2051744A - Lubricating composition and method of lubricating and improving the lubricating properties of oils : en
  • USD100854S - Design for an overshoe or : en
  • FI17145A - Winch : en fi
  • AU2442535A - An improved method of manufacture of curved veneered panels : en
  • FR801772A - Rocket turbine : en fr
  • GB452207A - Improvements in or relating to the manufacture of composite plates from veneer and other materials : en
  • GR5983B - MEDICINE AGAINST STAPHY CLOCK ABSENCES OF WOUNDS ETC. : el en
  • DE634153C - Device for the dry separation of dust from gases : de en
  • DE634180C - Device for closing tin cans : de en
  • FR801850A - Compressed air or gas engine : en fr
  • FR801857A - Calculator : en fr
  • FR801926A - Valve, particularly applicable to compressed air brakes : en fr
  • GB452200A - Lubricating pump : en
  • US2051645A - Heat treatment of metal bars : en
  • AU2386735A - Improvements in electric discharge lamps : en
  • US2051184A - Adhesive : en
  • US2051192A - Photographic camera : en
  • FR801872A - Armored automobile car : en fr
  • US2051058A - Combined wax applier, polisher, and carpet sweeper : en
  • DK52021C - Procedure for bleaching bast fibers. : da en
  • DK52029C - Smoke regulator for flues. : da en
  • FR801763A - Enhancements to gas or liquid storage devices, or both : en fr
  • GB452389A - Improvements in and relating to golf clubs : en
  • CA359899A - Oil recovery from carbonaceous materials : en fr
  • FR801907A - Anti-slip shoe for horses : en fr
  • US2051649A - Truck : en
  • FI17160A - Apparat för finfördelning av pappersmassa : en fi
  • GB452420A - Improvements in and relating to electroacoustic apparatus : en
  • IE14101L - Multi-ply fabrics : en
  • CA359965A - Fire extinguishing bomb and bracket : en fr
  • GB452426A - Process of sensitising photographic emulsions and the manufacture of dyestuffs therefor : en
  • GB452344A - Improvements in the manufacture and production of azo-dyestuffs : en
  • US2051081A - Electron tube : en
  • US2051141A - Telltale for automobile lights : en
  • US2051388A - Boom hoist for cranes : en
  • DE634154C - Process for the desulphurization of soda or caustic soda : de en
  • US2051261A - Blow-out preventer : en
  • US2051509A - Valve : en
  • USD100851S - Design fob a plate or similar article : en
  • USD100870S - Design fob a candelabrum : en
  • CA359861A - Animal trap : en fr
  • DE634128C - Bridge spring balance : de en
  • GB452242A - Improvements in or relating to methods of preparing higher lactones containing at least 11 carbon atoms in the lactone ring : en
  • FR801783A - Crochet needle : en fr
  • US2051096A - Manufacture of carboxylic acid chlorides : en
  • FR801775A - Support plate for electrical devices : en fr
  • US2051100A - Safety valve : en
  • US2051360A - Ham boiler : en
  • DE634188C - Bag manufacturing machine with rotating radially arranged mandrels : de en
  • US2051706A - Lubricating device : en
  • US2051405A - Button : en
  • US2051629A - Stone mucking machine : en
  • DE634168C - Device for selling goods : de en
  • US2051462A - Method of treating petroleum residues : en
  • US2051235A - Closure for containers : en
  • US2051099A - Heating apparatus : en
  • US2051352A - Slicing machine and stringer : en
  • US2051784A - Power take-off and associated mechanism : en
  • US2051210A - Air nozzle for spray appliances : en
  • FI17167A - Spring for prams and pushchairs : en fi
  • GB452315A - Improvements in and relating to safety devices for gas-heated appliances : en
  • DE634211C - Process for the production of azo dyes : de en
  • GB452500A - Improvements for cracking and coking hydrocarbon mixtures : en
  • GB452398A - Apparatus for agglomerating or briquetting pulverulent coal and other granular substances : en
  • FR801919A - Process for preparing condensation products : en fr
  • GB452286A - Improvements in or relating to scaffolding and like clips or clamps : en
  • GR5987B - SPRING HINGES. : el en
  • US2051357A - Gauge : en
  • USD100916S - Design for a textile fabric : en
  • IE14615L - Pyrolytic conversion of hydrocarbon oils : en
  • GB452349A - Improvements in battening cleats, particularly for ship's hatch coamings and similar purposes : en
  • DE634237C - Discharge vessel for the purpose of rectification, amplification and generation of vibrations : de en
  • GB452370A - Improvements in or relating to wrapping and packing paper and like material : en
  • US2051400A - Mechanical brake for railway switch machines : en
  • US2051524A - Heating garment : en
  • DE634149C - Process for the manufacture of cathodes for electron tubes : de en
  • DE634285C - Process for the preparation of Abkoemmlingen des 2,4-Dioxotetrahydropyridins : de en
  • FR801937A - Ion discharge tubes : en fr
  • DE634214C - Flat weft knitting machine for the production of knit-proof socks u. like : de en
  • GB452056A - A new and improved apparatus for controlling speed : en
  • FR801884A - Automatic collector device specially for stamping devices : en fr
  • FR801934A - Prepaid telephone device : en fr
  • DE634191C - Method and device for dewatering sludgy material on roller presses : de en
  • US2051379A - Thermal relay : en
  • GB452090A - Apparatus for and method of expanding pistons : en
  • GB452202A - Improvements in and relating to electric switches of the gas blast type : en
  • GB452161A - Apparatus for cutting food and delicacies : en
  • CA359974A - Engine cooling means : en fr
  • DK52035C - Diathermy device. : da en
  • GB452373A - A process for the manufacture of feed rolls for paper webs or strips : en
  • FR801754A - Manufacturing process of hydrogen peroxide : en fr
  • CA359942A - Belt connector : en fr
  • DE634231C - Device for feeding tobacco leaves to the gripper mechanism of a tobacco leaf de-stalking machine : de en
  • GB452228A - Improvements in windshield cleaners for automotive vehicles in general : en
  • DE634125C - Comb for cleaning the hair and scalp : de en
  • US2051314A - Method of making wheels : en
  • US2051419A - Centralized traffic controlling system for railroads : en
  • DE634099C - Stacking device for letters or the like with a paddle wheel arranged under the bottom of the stacking container : de en
  • GB452082A - Improvements in method of obtaining fibres for textile purposes from plants : en
  • US2051682A - Sandwich biscuit with means for fastening filling : en
  • GB452282A - Torsional vibration absorber : en
  • US2051455A - Self-winding clock and time switch : en
  • DE634255C - System for operating several arc extinguishing devices : de en
  • US2051106A - Bag closure : en
  • US2051795A - Heating and cooling system : en
  • US2051303A - Continuous bread toasting machine : en
  • US2051229A - Pinball game : en
  • CA359870A - Food product processing : en fr
  • CA359880A - Mercury-arc rectifier : en fr
  • CA359934A - Measuring device : en fr
  • CA359935A - Railway car refrigeration : en fr
  • US2051263A - Motor vehicle construction : en
  • USD100921S - Design fob an automobile tank : en
  • DE634124C - Process for the continuous production of sheet and mirror glass : de en
  • GB452388A - Steering gears : en
  • FR801885A - Convex reflective surfaces : en fr
  • US2051786A - Film handling apparatus : en
  • US2051560A - Coal burner : en
  • US2051083A - Golf shaft balancer : en
  • US2051251A - Retaining mechanism for casters or the like : en
  • US2051787A - Film handling apparatus : en
  • USD100860S - Design for a stocking : en
  • GB452345A - Colour cinematography : en
  • GB452417A - Process for desulphurising gases : en
  • CA359946A - Brake hanger holding means : en fr
  • AU14236A - Improvements in vertical retorts forthe carbonisation of coal : en
  • US2051481A - Multiple tongs : en
  • US2051763A - Permanent wave device : en
  • US2051387A - Printing device for lenticular : en
  • DE634118C - Work lamp for dentists and doctors : de en
  • DE634219C - Method and apparatus for producing low-noise optical sound recordings : de en
  • US2051759A - Electric heater : en
  • US2051774A - Conversion process and apparatus for catalytic chemical reactions : en
  • US2051033A - Motor mounting : en
  • US2051117A - Bag sewing apparatus : en
  • US2051172A - Manhole construction : en
  • US2051575A - Process fob the manufacture of : en
  • US2051695A - Testing or inspecting machine : en
  • US2051107A - Process and apparatus for air classification : en
  • US2051317A - Photelometer : en
  • US2051539A - Sphygmomanometer : en
  • USD100879S - Design for a candy or liquor box : en
  • AU2339035A - Hydraulic variable speed transmission : en
  • FR801793A - Freewheel hub and brake with elastic friction clutch : en fr
  • US2051662A - Pottery finishing lathe : en
  • US2051703A - Airplane seat : en
  • US2051740A - Gauge for measurement of gas pressures : en
  • US2051570A - Dust extraction : en
  • DE634208C - Device for producing electrical sheet resistors : de en
  • FI17168A - Suspension of four-wheel prams and pushchairs : en fi
  • FR801933A - Process for automatically closing the pressure regulator when shutting down internal combustion engines operating with compressed or liquefied gases under pressure : en fr
  • GB452407A - Improvements in and relating to aircraft with autorotative wings : en
  • DE634073C - Infinitely variable potentiometer made of resistance wire or resistance ground : de en
  • US2051108A - Burner : en
  • US2051788A - Film handling apparatus : en
  • DE634187C - Lubricating device for rotary valve of internal combustion engines : de en
  • FR801932A - Device for the early extinction of the arc of electric discharge devices in gas or vapor atmosphere : en fr
  • GB452314A - Improved means for preventing leakage of lubricant from shaft bearings : en
  • GB452383A - Improvements in or relating to metallic packings for stuffing boxes : en
  • FR801941A - Method and device for applying solvents, binders, colors, varnishes and other similar products by spray gun : en fr
  • GB452326A - Manufacture of azo-dyestuffs : en
  • FR801769A - Thimbles for cables and ropes : en fr
  • DE634108C - Method and casting device for the production of printing forms for two- and multi-color printing in register on two-speed high-speed presses : de en
  • FR801824A - Further training in refrigeration installations : en fr
  • FR801836A - Gas mask allowing conversation : en fr
  • GB452506A - Improvements in and relating to the production of cellulose ethers : en
  • DE634294C - Double-walled lid that fits differently wide vessels : de en
  • FR801752A - Process and furnace for refining and alloying metals, and products obtained : en fr
  • US2051281A - Float : en
  • US2051508A - Support for light sources : en
  • GB452087A - Improvements in and relating to apparatus for separating a mixture of liquids by vacuum distillation : en
  • GB452140A - Improvements in or relating to cinematographic cameras and projectors : en
  • GB452288A - Improvements in or relating to shoe bottom pressing : en
  • DK52025C - Folding machine for paper folding machines. : da en
  • US2051103A - Ship's sprinkler system : en
  • FR801760A - Brake : en fr
  • FR801887A - Apparatus intended for measuring or verifying the thickness of a sheet, in particular a sheet of rubber or rubberized fabric : en fr
  • GB452121A - Improvements in incandescent electric lamps : en
  • CA359950A - Loose leaf binder : en fr
  • GB452442A - Improvements in and relating to the treatment of vitamin-containing oils and products obtained therefrom : en
  • FR801949A - Improvements made to devices for the simultaneous actuation of several jacks, in particular for operating the lower surface flaps of airplanes : en fr
  • GB452191A - Improvements in and relating to electric lamps : en
  • GB452183A - Improvements in and relating to the erection of buildings : en
  • US2051641A - Spinning spindle : en
  • FR801835A - Vertical heavy oil burner : en fr
  • GB452576A - Improvements in or connected with permanent hair waving : en
  • GB452364A - Improvements in and relating to aircraft with autorotative wings : en
  • GB452100A - Improvements in and relating to high potential safety fuses : en
  • GB452272A - Improvements in or relating to methods of preparing higher lactones containing at least 11 carbon atoms in the lactone ring : en
  • FR801928A - Extendable sliding lighter : en fr
  • FR801821A - mine prop : en fr
  • GB452409A - Improvements in and relating to suction cleaners : en
  • DE634105C - Clip made of sheet metal to reinforce the holes in leaves : de en
  • FR801893A - Elastic mounting for connecting various parts of an aircraft : en fr
  • FR801812A - Rotary motor or receiver : en fr
  • GB452301A - Improvements in and relating to winches and the like : en
  • DE634189C - Women's shoe with heel reinforcement : de en
  • AU2340135A - Process for improving lubricating oils : en
  • US2051088A - Brake for motor vehicles : en
  • US2051312A - Automatic feed mechanism for punch presses : en
  • US2051498A - Reduction gear : en
  • USD100909S - Design fob a lace : en
  • US2051079A - Filter : en
  • US2051459A - Steam generating furnace : en
  • FR801789A - Compressor or rotary motor consisting of helical rotors : en fr
  • GB452238A - Process for purifying progesterone preparations : en
  • US2051171A - Printing plate trimming mechanism : en
  • US2051195A - Sawing machine : en
  • US2051739A - Garment pressing machine : en
  • GB452070A - Improvements in electric cooking vessels : en
  • GB452109A - Photo-electric tube : en
  • FR801834A - Device for suppressing the remanent magnetism of magnetic circuits : en fr
  • US2051144A - Preparation of isopropyl alcohol : en
  • US2051799A - Two-speed motor : en
  • FR801940A - Device for shaping hair curls : en fr
  • FR801865A - Locking device for battle tank doors : en fr
  • DE634235C - Gas-filled discharge vessel : de en
  • FI17162A - Pulp or similar mixing device : en fi
  • US2051688A - Apparatus for the extrusion of metal : en
  • GB452357A - Improvements in or relating to nozzles for hose pipes : en
  • GB452234A - The manufacture of chromable azo dyestuffs of the pyrazolone series : en
  • DE634238C - Electron tubes for very short waves with a concentric electrode system : de en
  • FR801765A - Process of printing using mordant dyes and preparation of dyes which can be used in this process : en fr
  • FR801841A - Improvements to lapidaries for dressing tiles : en fr
  • DE634201C - Compression refrigeration machine with lubricant circuit : de en
  • GB452205A - Production of rubber goods directly from latex : en
  • US2051589A - Nonstalling self-energizing head for puncturing closure disks : en
  • FR801859A - Process for manufacturing explosives resistant to humidity, for industrial needs and explosives obtained by this process : en fr
  • US2051445A - Automatic amperage feed control mechanism : en
  • US2051579A - Appliance for waving hair : en
  • USD100897S - Design for a dress or similar article : en
  • DE634145C - Synchronous motor timer with continuously running auxiliary gear : de en
  • SE87169C1 - : en
  • DK52016C - Combined Setting Scale and Tuning Indicator for Radios. : da en
  • US2051326A - Air brake : en
  • US2051588A - Process of curling animal fiber yarn : en
  • US2051760A - Refrigeration : en
  • IE13917L - Lighting fittings : en
  • GB452310A - A coin-freed device for dispensing measured quantities of liquids : en
  • DE634179C - Automatic vent valve for pressurized water lines : de en
  • FR801751A - Binding : en fr
  • CA359892A - Dyestuff : en fr
  • US2051715A - Slide fastener socket : en
  • US2051775A - Flux-coated electrode : en
  • US2051475A - Relay : en
  • US2051511A - Sheet mounting mechanism : en
  • US2051600A - Truck : en
  • US2051119A - Violanthrone derivatives and process of preparing them : en
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  • GB452204A - Improvements in annealing furnaces : en
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  • DK52040C - Book support. : da en
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  • US2051628A - Acoustic panel and method of making same : en
  • US2051668A - Windshield wiper blade : en
  • DE634032C - Process for the production of sulfuric acid esters from ester or acid amide-type condensation products : de en
  • FR801901A - Device for signaling railway tracks : en fr
  • US2051358A - Alloy : en
  • US2051717A - Suction and cleaning apparatus : en
  • GB452162A - Improvements in and relating to variable speed transmission mechanism : en
  • GB452290A - Improvements in and relating to radio direction finding : en
  • US2051136A - Bait box : en
  • US2051441A - Washing machine : en
  • GB452324A - A system of retractable landing gear for aeroplanes : en
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  • FR801902A - Installation composed of piston machines, in particular piston compressors, and synchronous machines : en fr
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  • CA359957A - Hydraulic power transmission apparatus : en fr
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  • US2051464A - Method of testing coated paper : en
  • US2051680A - Citrus fruit knife and seed extractor : en
  • US2051347A - Locomotive throttle valve : en
  • US2051542A - Ophthalmic mounting : en
  • USD100912S - Design for an ensemble dress : en
  • US2051320A - Apparatus for using photoelectric cells quantitatively : en
  • USD100902S - Design for a knitted pile fabric : en
  • US2051667A - Device for use in waving hair : en
  • US2051698A - Apparatus for cutting glass : en
  • US2051302A - Fence bracket : en
  • USD100849S - Design for a combined closure mem : en
  • AU2384435A - Improvements in and relating to textile fringes for suction nozzles of vacuum cleaners : en
  • US2051238A - Shield for glass tank feeding shelves : en
  • US2051433A - Production of ferrocobalt : en
  • US2051300A - Process for the manufacture of alkyl phenols : en
  • USD100845S - Design for a mechanical lead pencil : en
  • USD100867S - Design for an apron tongue shoe : en
  • AU2497735A - Method and device for picture scanning with electron rays : en
  • CA359855A - Filament, yarn and fabric production : en fr
  • US2051390A - Statistical card and record : en
  • USD100898S - Design for a dress or similar article : en
  • USD100896S - Design fob a dress or similar article : en
  • DK52017C - Blade guide for Mowers. : da en
  • US2051790A - Apparatus for handling and guiding strip material : en
  • US2051221A - Automatic rowboat : en
  • US2051165A - Liquid dispensing apparatus : en
  • US2051335A - Hydrocarbon treating process : en
  • US2051686A - Ear protector : en
  • US2051482A - Convertible garment : en
  • USD100850S - Design for a cup : en
  • DK52039C - Device for elevators for automatic opening and closing of doors. : da en
  • US2051162A - Implement frame construction : en
  • DE634295C - Process for the production of polymerization products from vinyl ethers : de en
  • CA359885A - Diatomaceous earth calcining method : en fr
  • CA359937A - Firing mechanism : en fr
  • US2051272A - Oil lantern construction : en
  • USD100865S - Design for a shoe : en
  • DE634077C - Agricultural tractor : de en
  • US2051562A - Alloys : en
  • US2051731A - Process for preparing paving material : en
  • CA359915A - Shortening compound : en fr
  • GB452264A - Improvements in endless tracks for vehicles : en
  • DE634212C - Process for the preparation of monoazo dyes : de en
  • FI17155A - Tillslutnings-, utlopps- och säkerhetsventil förmed huftbehållare försedda dieselmotorer : en fi
  • CA359972A - Article moulding apparatus : en fr
  • CA359943A - Insulating value testing apparatus : en fr
  • US2051386A - Selective speed power transmission : en
  • USD100907S - Design for a lace : en
  • US2051102A - Means of engraving dies : en
  • US2051121A - Compounds of the violanthrone series and process for their production : en
  • USRE20066E - Hydrocarbon oil conversion : en
  • US2051458A - Lubricating element : en
  • US2051626A - Packing and method of making the same : en
  • DE634112C - Rail butt connection using a butt bridge : de en
  • US2051679A - Display fixture : en
  • US2051098A - Inhaler : en
  • US2051781A - Integrating control method and apparatus for achieving uniformity of average conditions : en
  • US2051305A - Piston : en
  • USD100887S - Design for a spoon or other article : en
  • US2051421A - Sliding door : en
  • US2051169A - Radio tube : en
  • US2051557A - Pipe joint, particularly for concrete pipes : en
  • US2051756A - Compression refrigerating machine : en
  • US2051038A - Downdraft carburetor : en
  • US2051311A - Hot water heater : en
  • US2051486A - Production of monoalkylolamines : en
  • CA359932A - Cellulosic textile material : en fr
  • US2051343A - Razor : en
  • US2051054A - Tap finding device : en
  • US2051683A - Furnace wall : en
  • US2051693A - Multistage re-emission amplifier : en
  • DE634287C - Device for forming a progressive path of sheets that overlap like scales : de en
  • US2051278A - Valve construction : en
  • US2051755A - Pipe wrench : en
  • USD100903S - Design fob a knitted file fabric : en
  • DE634265C - Process for providing objects made of rubber milk with a sticky surface : de en
  • US2051738A - Refillable binder : en
  • USD100922S - Design for a toy ob similar article : en
  • CA359947A - Brake head element : en fr
  • DE634096C - Ski binding with adjustable toe pieces : de en
  • DK52024C - Luggage carrier for fastening on a bicycle or for use as a chair or table. : da en
  • FI17138A - Copying arrangements with automatic telephone switching are performed at the same time : en fi
  • GB452353A - Improvements in or relating to electro-static condensers : en
  • DE634171C - Drum ring bath for electroplating metal parts : de en
  • CA359897A - Rolled tissue dispenser : en fr
  • GB452035A - Improvements in or relating to electric terminals : en
  • GB459210A - Process for the production of power by means of nuclear combinations : en
  • DE634151C - Process for making whole wheat bread : de en
  • DE634276C - Device for forming a web of partially overlapping sheets to be presented against a printing machine or the like : de en
  • GB452188A - Improvements in and relating to high frequency tuning coils : en
  • GB452401A - Improvements in and relating to alloys for dental plates : en
  • FR801764A - Electric switch with delayed action and adjustable : en fr
  • GB452298A - Improvements in or relating to the production of fabrics : en
  • FI17175A - Provision for the use of cloaked water, fresh air and other waste : en fi
  • FR801761A - Improvements in the manufacture of rims : en fr
  • GR5981B - WOODEN SAW SYSTEM SYSTEM. : el en
  • DE634163C - Process and circular knitting machine for the production of berets : de en
  • DE634028C - Device for the continuous production of glue in small pieces : de en
  • FR801776A - Process for the production of azo dyestuffs : en fr
  • US2051062A - Apparatus for loading and unloading vehicles : en
  • US2051572A - Lady's handbag and the like : en
  • DK52018C - Station for Receiving Still or Moving Images. : da en
  • FR801860A - Toy vehicle, particularly toy automobile : en fr
  • GB452050A - Detachable bits for rock drills : en
  • GB452289A - Improvements relating to direction indicators for motor vehicles : en
  • DE634136C - Method for operating metal spray guns : de en
  • GB452381A - Improvements in and relating to apparatus for producing glass strip : en
  • GB452438A - Improvements in colouring rubber : en
  • GB452284A - Improvements in stockings and in the method of and means for producing same : en
  • US2051696A - Tire for roller skates : en
  • USD100926S - Design for a : en
  • USD100929S - Design for a perfume bottle or : en
  • FI17139A - Galvanic element : en fi
  • GB452312A - Improvements in or relating to tents, canopies and the like : en
  • GB452193A - Automatic change speed gear : en
  • US2051163A - Casket : en
  • AU2382635A - Improvements in and relating to tennis rackets : en
  • GB452073A - Improvements in and relating to methods of electrical purification of gases containing elementary sulphur : en
  • FI17148A - Förfaringssätt för framställning av takbeläggning : en fi
  • GB452332A - New or improved means for wrapping butter and like foodstuffs : en
  • US2051215A - Heater structure : en
  • AU2384035A - Improvements relating to settings of retorts for use in the distillation of solid carbonaceous substances : en
  • GB452440A - Improvements in and relating to electrical measuring instruments and relays : en
  • GB452425A - Improvements in or relating to telephone systems : en
  • US2051765A - Oil soluble resin : en
  • CA359963A - Roller bearing : en fr
  • US2051450A - Cigarette container : en
  • US2051531A - Kick plate and weather strip : en
  • GB452099A - Method of detecting the presence of fibrous vegetable matter in animal fibres : en
  • GR5978B - PALANTZA WITHOUT WEIGHT. : el en
  • GB452192A - Improvements in or relating to control gear for piston prime movers : en
  • GR5984B - LEATHER TAKEN. : el en
  • DE633858C - Network simulation for the experimental determination of the current and voltage distribution in any electrical power distribution network : de en
  • GB452110A - Improvements in and connected with automobile bodies : en
  • DE634186C - Measuring and centering device, especially for machine tools : de en
  • CA359876A - Building construction : en fr
  • US2051040A - Stoker : en
  • USD100904S - Design for an outside door handle : en
  • US2051177A - Electron coupled circuit : en
  • US2051028A - Pressure regulator : en
  • US2051308A - Box making machine : en
  • CA359886A - Rail heat-treating method : en fr
  • GB452375A - Improvements in or relating to beadings, edgings, mouldings and the like trimmings or finishings : en
  • GB452503A - An improved forming and consolidating process for metals and metal carbides : en
  • GB452030A - Improvements in or relating to electric condensers : en
  • GB452305A - Improvements in golf clubs : en
  • FR801784A - Improvement in lighting devices : en fr
  • GR5985B - METHOD OF PREPARATION OF NITRIC ACID BY FERMENTATION OF SUGAR SOLUTIONS. : el en
  • GB452224A - Improvements in spray nozzles : en
  • DE634130C - Circuit arrangement for the operation of photocells for the reproduction of sound films : de en
  • GB452038A - Improvements in or relating to telephone systems : en
  • FR801947A - Elastic tie : en fr
  • FR801878A - Improvements to kitchen tables and the like : en fr
  • US2051643A - Cloth house : en
  • US2051771A - Repeating fuse construction : en
  • DE634249C - Process for the preparation of N-polyoxyalkylaminonitrobenzenes : de en
  • GB452280A - Improvements in and relating to the ventilation of enclosures : en
  • DE634098C - Spin game with two independently operated spin devices : de en
  • CA359925A - Valve tip hardening machine : en fr
  • US2051585A - Process of making reflex copies : en
  • US2051189A - Tuning indicator tube : en
  • FR801912A - Hair dye : en fr
  • US2051361A - Uncoupling mechanism for railway cars : en
  • US2051133A - Azodyestuffs containing copper in : en
  • US2051671A - Uni-tension drum : en
  • USD100872S - Design for a handle : en
  • DE634175C - Mercury switch for photographic recording devices to be used in the studio : de en
  • US2051359A - Safety guard gate : en
  • US2051635A - Drain valve for radiators : en
  • CA359954A - Wood pipe butt joint : en fr
  • US2051372A - Scanning and synchronizing system : en
  • US2051777A - Compartment receptacle and humidifier for cigarettes and the like : en
  • CA359970A - Double door opening device : en fr
  • AU173236A - An improved method and means of controlling the quantity of steam passing into a furnace : en
  • US2051226A - Composition and process for demulsifying cut oils and the like : en
  • US2051416A - Double collar : en
  • US2051794A - Automatic transmission gearing : en
  • GB452296A - Improvements in fabrics and articles of wearing apparel and method of making the same : en
  • US2051110A - Refrigeration apparatus : en
  • GB452404A - An improved time-measuring apparatus employing an auxiliary movement and a synchronous electro-motor : en
  • GB452097A - Improvements in or relating to fluorescent screens : en
  • US2051125A - Process for producing inert gas : en
  • FI17147A - Central vacuum system : en fi
  • GB452059A - An improved axle connection for motor and other vehicles : en
  • DE634200C - Rotogravure printing machine for sheets for the production of multicolor intaglio printing in front and back printing in one operation : de en
  • US2051186A - Tractor : en
  • US2051798A - Clearing abrasion marks from photographic emulsions : en
  • FR801921A - Screw joint for socket tubes : en fr
  • US2051510A - Mechanism for the manufacture of envelopes with pasted-in windows : en
  • FR801903A - Improvements in differential mechanisms : en fr
  • GB452170A - Improvements relating to weighing apparatus : en
  • USD100875S - Design for a parking meter casing : en
  • US2051035A - Apparatus for closing cartons : en
  • US2051089A - Gravity down stroke pump : en
  • DE634270C - Film cassette : de en
  • DE634131C - Device for measuring light currents : de en
  • FI17163A - Förfaringssätt för överdragning av pappersytor : en fi
  • FR801873A - Electric cable with tubular structure : en fr
  • FR801936A - Cathode enhancements for electronic discharge devices : en fr
  • US2051516A - Fire escape device : en
  • DE634167C - Optics for episcopic palpation : de en
  • GB452118A - Detector circuit for television reception : en
  • GB452323A - Improvements in overwinding prevention gear for winding engines : en
  • US2051460A - Method : en
  • GB452384A - Improvements in shock dampers : en
  • GB452405A - Improvements in and relating to motor driven suction cleaners : en
  • US2051404A - Synthetic lubricant and method of making same : en
  • FR801796A - Method and machine for mechanically treating stems of flax or the like to produce a cleaned mass of flax fibers or the like of defined length : en fr
  • DE632951C - Process for polymerizing acrylic acid esters : de en
  • FR801848A - Mermaid refinements : en fr
  • GB452424A - Manufacture of dyestuffs of the anthraquinone series : en
  • GB452077A - Improvements in coil ignition of internal combustion engines : en
  • FR801809A - Hair curler with removable and articulated attachment to the scalp protector : en fr
  • SE87182C1 - : sv
  • US2051630A - Truck : en
  • GB452028A - Improvements in and relating to electric transformers : en
  • US2051122A - Violanthrones and process of preparing them : en
  • US2051594A - Hat : en
  • USD100891S - Design fob a dress ob similar article : en
  • CA359924A - Valve tip hardening machine : en fr
  • GB452350A - Improvements in or relating to power-navvies or the like : en
  • GB452268A - Method of tempering a glass article : en
  • GB452392A - Process for sinking shafts in aquiferous ground, and the shafts thus obtained : en
  • GB452250A - Improvements in devices for coating pencils and other rod-shaped articles with liquid : en
  • GB452157A - Improvements in hand rakes for use more especially on lawns and greens : en
  • GB452335A - Manufacture of alkylated phenols : en
  • US2051558A - Grinding tool for extremely hard alloys : en
  • FR801923A - Improvements made to colored light signal engines : en fr
  • GB452034A - Improvements in or relating to vacuum tubes : en
  • US2051109A - Gas turbine : en
  • US2051574A - Sliding fastener : en
  • US2051244A - Oil circuit breaker control mechanism : en
  • US2051538A - Mine car : en
  • AU2519435A - Improvement in color photography : en
  • DE634172C - Filing and stacking device for paper bags and similar items : de en
  • FR801935A - : fr
  • FR801890A - Elastic suspension device for vehicles : en fr
  • GB452179A - Improvements relating to cycle handlebars and a method of manufacturing same : en
  • US2051256A - Log trisecting structure : en
  • US2051507A - Process of removing the size from textiles of all kinds by means of pancreatic amylase : en
  • DE633981C - Process for the preparation of well-defined crystalline nitrates of phenylmercuric hydroxide : de en
  • CA359939A - Vacuum cleaner brush : en fr
  • US2051349A - Device for preserving local anesthetic solutions : en
  • US2051446A - Drinking glass : en
  • US2051477A - Spirally-bound sheaf : en
  • US2051071A - Sickle grinder : en
  • GB452257A - Improvements in and relating to the electrolytic oxidation of small articles in bulk : en
  • DE634102C - Safety device for electrical switches, especially with arc extinguishing by compressed gas : de en
  • US2051239A - Switch device : en
  • US2051318A - Gas-fired refrigerator : en
  • US2051707A - Building construction : en
  • US2051468A - Glassware forming machine : en
  • US2051315A - Pressure compensator for pneumatic tires : en
  • US2051438A - Selective control mechanism for radio receiving sets : en
  • DE634229C - Single pinch machine with quick release for the tack compartment lock : de en
  • CA359971A - Drum weir : en fr
  • US2051198A - Cellulose organic ester composition containing fenchyl alcohol : en
  • US2051337A - Writing point or nib : en
  • US2051245A - Guard for presses and like machine tools : en
  • US2051517A - Resistor : en
  • US2051750A - Umbrella : en
  • CA359887A - Heat-treated rail : en fr
  • USD100882S - Design for a camera : en
  • AU2556335A - Apparatus for use in case hardening glass : en
  • CA359973A - Cimentitious pipe and cylinder manufacture : en fr
  • CA359953A - Ophthalmic mounting : en fr
  • CA359882A - Electric toaster : en fr
  • US2051236A - Shoe soling appliance : en
  • US2051708A - Electric commutator and interrupter according to the spark-neglecting principle : en
  • GB452175A - Improvements in and relating to the production of typographical slugs : en
  • DE634127C - Method and device for measuring skulls : de en
  • DK52037C - Device for two-axle rail cars for picking up a truck intended for road transport. : da en
  • FI17140A - Elektriskt urladdningsrör : en fi
  • US2051283A - Earth moving device : en
  • AU2387135A - Improvements in or relating to abrading : en
  • AU2388735A - Improvements in and relating to pile fabrics and the method of making same : en
  • DE634193C - Foam swimming machine with fast rotating air distribution sleeve and hollow shaft for the air supply : de en
  • DK52013C - Fixed double cuff. : da en
  • GB452083A - An anti-dazzle and fog penetrating head lamp for all motor or electric vehicles : en
  • GB452106A - Improvements in or relating to carburettors : en
  • US2051032A - Sound receiving apparatus : en
  • US2051211A - Faucet connection : en
  • US2051604A - Refrigerating apparatus : en
  • DE634248C - Street lamp : de en
  • AU2585935A - Improvements in or relating to processes of treating crude petroleum : en
  • US2051187A - Transmission mechanism : en
  • US2051234A - Repair element for worn plowshares : en
  • USRE20068E - Universal multiple drill head : en
  • US2051164A - Compensating piston : en
  • US2051194A - Highway patrol system : en
  • US2051423A - Insulated conductor : en
  • US2051444A - Maternity dress : en
  • US2051659A - Electric circuit breaker : en
  • US2051677A - Mounting strip for cards and the like : en
  • DE634144C - Stone circular saw and milling machine : de en
  • US2051415A - Heat treated alloy steel : en
  • US2051478A - Arc extinguishing apparatus : en
  • US2051493A - Modulated carrier wave transmitter : en
  • CA359856A - Filament, yarn and fabric production : en fr
  • AU2291535A - Improvements in or relating to electron discharge devices : en
  • US2051223A - Prison gate : en
  • US2051491A - Loop cutter : en
  • US2051534A - Steam engine : en
  • AU2382535A - Improvements in and relating togas burners andthe like : en
  • AU2402435A - Improvements in or relating to tampons : en
  • DE634021C - Centrifugal machine for grainy material with lower emptying opening : de en
  • US2051327A - Lens : en
  • US2051087A - Spring cushion construction : en
  • US2051188A - Tuning indicator tube : en
  • US2051285A - Method of treating gold and like bearing ores : en
  • US2051495A - Apparatus for continuous extraction : en
  • US2051292A - Burner for torches : en
  • DE634020C - Pocket billiards to be played like a Tivoli : de en
  • DE634095C - Knife-like device for heating, applying, distributing or scraping off materials : de en
  • US2051275A - Brake : en
  • US2051394A - Sickle shield : en
  • GB452482A - Improvements in printing textile materials : en
  • DE634242C - Cloth holder clamp : de en
  • US2051257A - Stabilized organic compoistion : en
  • US2051127A - Universal lathe : en
  • CA359853A - Mouse and moth-proof drawer : en fr
  • GB452069A - An inlet press, especially suitable for strip rolling mills : en
  • US2051732A - Steam trap : en
  • GB452089A - Improvements in or relating to suction nozzles for vacuum cleaners : en
  • FI17165A - Carbon dioxide mixing device in foam extinguishers : en fi
  • GB452434A - Improvement relating to floorings and the like structures : en
  • GB452163A - Improvements in or relating to foundry moulding boxes : en
  • US2051197A - Scraper : en
  • US2051456A - Electric heater or radiator : en
  • US2051610A - Truck : en
  • DE1381884U - : de en
  • GB452199A - Apparatus for simultaneously separating and cooling fine pulverulent materials : en
  • GB452281A - An improvement in or relating to insoles for boots and shoes to make them very flexible : en
  • US2051747A - Multiple spindle metalworking machine : en
  • FI17134A - Set up intimate contact with gas and gas : en fi
  • US2051485A - Radiator : en
  • CA359868A - Ophthalmic lens : en fr
  • US2051658A - Electrically heated hot water reservoir : en
  • US2051712A - Attachment for operating tables : en
  • US2051767A - Method of making oil-soluble resins : en
  • FR801920A - Method for washing animal fibers, in particular raw wool and wool products : en fr
  • GB452265A - Improvements in or relating to hand-operated machines for tying wires around cases, bales and the like : en
  • US2051729A - Means for reproducing sound from and re-recording sound films : en
  • US2051512A - Cooky caddy : en
  • FI17141A - Anordning vid stavel electrode for electric power supply and power supply : en fi
  • GB452382A - Improvements relating to separators for pneumatic drying systems : en
  • US2051170A - Wrapping material for an edible product : en
  • US2051632A - Television receiving system : en
  • US2051243A - Deep well pump : en
  • DE634116C - Oil firing with several fuel nozzles : de en
  • DK52023C - Procedure for the preparation of a mixture suitable for building purposes of a mass consisting of loose grains and a liquid. : da en
  • US2051290A - Lubricating apparatus : en
  • US2051138A - Closure for containers : en
  • FR801870A - case for dough tubes, especially toilet paste : en fr
  • GB452248A - Improvements in or relating to the treatment of textile materials : en
  • US2051407A - Snap fastener stud : en
  • FR801753A - Tube stand for cathode ray oscillographs : en fr
  • GB452299A - Improvements in and relating to coil structures particularly for use in electric vacuum switches : en
  • GB452330A - Apparatus for use in drying paper webs for copper-plate printing : en
  • DK52032C - Device for Water Evaporators for Radiators. : da en
  • GB452321A - Improvements in garment presses : en
  • US2051114A - Building corner construction and unit therefor : en
  • US2051414A - Roller skate : en
  • DE634071C - Blade for steam or gas turbines : de en
  • FR801892A - Gear change : en fr
  • GB452024A - Improvements in or relating to heel breasting machines : en
  • CA359874A - Magnetic compass : en fr
  • FR801868A - Improvements to middle pulleys for wood blinds or other applications : en fr
  • GB452432A - Improvements relating to the control of the flow of fluids of varying viscosity : en
  • AU2385235A - Improvements in television modulation systems : en
  • US2051332A - Dispensing device : en
  • US2051530A - Invalid crane : en
  • US2051280A - Wringer : en
  • US2051182A - Apparatus for applying liquids to concrete surfaces : en
  • US2051535A - Cellulose organic ester composition containing phenyl propionate : en
  • US2051753A - Armored motor truck body : en
  • GB452169A - Improvements relating to weighing apparatus : en
  • US2051669A - Liquid level gauge : en
  • FR801939A - Combustion engine with fuel injection and air tank : en fr
  • GB452119A - Improvements in cushion spring assemblies : en
  • FR801818A - Improvements to incandescent lamp holders : en fr
  • FR801871A - Lock : en fr
  • GB452159A - An improved production of x-ray photographs : en
  • GB452435A - Improvements relating to the ornamentation of textile fabrics : en
  • US2051026A - Lubricating system for automobile engines : en
  • GB452377A - Improvements in carburettors for internal combustion engines : en
  • US2051802A - Refrigerating apparatus : en
  • DE634185C - Method for holding the power supply and holding wires of an electrical discharge tube : de en
  • DE627215C - Electric heating pad : de en
  • GB452403A - A method and device for mounting the blades of airscrews, especially those made of light metal : en
  • FR801874A - Electrode-heated steam kettle with automatic heat input adjustment : en fr
  • FR801768A - Improvements to hoods for automobile engines : en fr
  • CA359854A - Metallic composition : en fr
  • GB452092A - Improvements relating to alloys : en
  • GR5982B - KISIRE ALLOY FOR BUILDING USES. : el en
  • DE634120C - Mold : de en
  • GB452254A - Improvements in remote indicating thermometer : en
  • GB452483A - Improvements in and relating to making leavened bakery products and compositions therefor : en
  • GB452645A - An improved process for obtaining volatile metals : en
  • AU483329B2 - Chemical compounds for trichomoniasis and candidiosis treatment : en
  • CA359873A - Board elastic connection : en fr
  • GB452378A - Improvements in or relating to cinematographic apparatus : en
  • CA359894A - Multi-colour photographic picture production : en fr
  • US2051246A - Hygrometer : en
  • US2051432A - Key case : en
  • CA359931A - Cellulosic textile material : en fr
  • AU2385935A - Improvements in and relating to adjustable louvre shutters : en
  • CA359881A - Electric motor acceleration : en fr
  • GB452222A - Improvements in, or relating to, couplings for trailing vehicles : en
  • FR801858A - Specific indicator of liquid consumption : en fr
  • GB452078A - Improvements in rubber-like chloro-2-butadiene-1, 3 polymer compositions : en
  • CA359898A - Interfolding machine : en fr
  • CA359864A - Water-tube steam generator : en fr
  • AU2497835A - Method and device for picture scanning witha ray of light : en
  • US2051452A - Process and apparatus for the manufacture of plasterboard : en
  • AU2430635A - Improvements in refrigerating solutions : en
  • US2051205A - Insulating device : en
  • CA359913A - Shortening compound : en fr
  • GB452259A - Improved identifying plates for tool handles and the like : en
  • CA359889A - Regulating roll for cotton machinery : en fr
  • CA359849A - Sterility slide rule : en fr
  • GB452346A - Manufacture of mordant dyestuffs : en
  • GB452354A - A process for the manufacture of shaped products from animal fibrous material : en
  • GB452367A - Train-influencing arrangement for the transmission of different signal meanings by means of circuits of like or different resonance frequencies : en
  • FI17173A - Lavett för fält- och luftmålskytte o.dyl. : en fi
  • DE634106C - Process for breaking down solutions or liquid mixtures by cooling and crystallizing individual components : de en
  • DE634203C - Liquid level indicator for containers for holding liquefied gases with a low boiling point : de en
  • AU2388035A - Improvements in or relating to radio receivers : en
  • US2051492A - Method of producing high viscosity aralkyl ethers of cellulose : en
  • GB452102A - Direct reading radio direction finders : en
  • US2051202A - Apparatus for controlling the processing of pulp stocks : en
  • US2051220A - Treatment of cellulose to render it suitable for esterification : en
  • GB452413A - Improvements in or relating to methods of treating caschew nut shell liquid and the products obtained thereby : en
  • CA359851A - Gas burner : en fr
  • US2051092A - Handbag : en
  • US2051225A - Photographic shutter : en
  • USD100864S - Design for a shoe : en
  • DE634234C - Electrically operated centrifugal or agitator : de en
  • GB452025A - Improvements in or relating to the moulds of typographical slug-casting machines : en
  • GB452400A - Improvements relating to buttons or badges : en
  • CA359890A - Pencil lead : en fr
  • DK52026C - Low pressure rotary pump. : da en
  • GB452502A - Improvements in apparatus for the cooling of air in mines : en
  • DE634150C - Rohrrücklaufgeschuetz with an air reclaimer made up of a displacer and a compressed air tank and accommodating the fluid brake : de en
  • US2051728A - Vacuum cleaner : en
  • DE1381882U - : de en
  • DE634079C - Magneto ignition machine : de en
  • FI17164A - Procedure for making nicotine-containing smoke paper to control pests : en fi
  • FR801855A - Device for shipping and retailing cigars and cigarillos : en fr
  • GB452048A - Improvements in cam mechanisms having textile or other applications : en
  • GB452209A - Improvements in or relating to electrical remote control circuit arrangements : en
  • GB452194A - Improvements in or relating to blowers for vacuum cleaners : en
  • US2051338A - Composition of matter : en
  • US2051742A - Railway safety automatic track device : en
  • USRE20070E - Electric translating device for : en
  • GR5972B - INSTRUMENT FOR ECONOMICS AND PRACTICE USING A FLOWER DURING THE WASH. : el en
  • USD100866S - Design for a shoe : en
  • CA359975A - Clamping device : en fr
  • US2051675A - Apparatus for silencing pulsating gaseous currents : en
  • USD100869S - Design fob a watch container : en
  • GB452225A - Improvements in or relating to reciprocating piston compressor installations : en
  • GB452423A - Improvements relating to hydraulic machines for removing articles from shafts and for like purposes : en
  • DE634082C - Lockstitch sewing machine with revolving hook : de en
  • DE634129C - Device for automatic weight regulation of a material loading scale for carding : de en
  • DE634068C - Process for preventing resin formation in resin-prone hydrocarbon fractions : de en
  • GB452395A - Improvements in or relating to automatic weighing machines : en
  • GB452086A - Improvements in or relating to seals : en
  • US2051553A - Control device for variable ratio transmissions : en
  • USD100842S - Design for a full fob slide fasteners : en
  • US2051307A - Flow bean : en
  • US2051596A - Plant promoting device : en
  • US2051779A - Process for the production of casein powder adapted to be molded directly : en
  • US2051150A - Power brake device : en
  • GR5980B - METHOD AND APPARATUS FOR MAKING GLASS THREADS, SLAVE GLASSES FROM SIMILAR MATERIALS. : el en
  • CA359960A - Ice cream cone : en fr
  • US2051216A - Method for electrically welding all metal spools : en
  • US2051129A - Outlet box : en
  • US2051499A - Fife joint : en
  • FR801795A - New article for sanding floors and similar uses : en fr
  • FR801831A - Grid refinements for multi-grid lamps : en fr
  • GB452278A - Improvements in rail contact arrangements : en
  • GR5963B - APPLIANCE FOR CLEANING KYAMONS. : el en
  • US2051080A - Centrifugal pump : en
  • US2051241A - Window shelf : en
  • USD100914S - Design for a bathing cap : en
  • GB452039A - Improvements in the manufacture of polymerised drying oils : en
  • DK52020C - Impregnating agent for Wood. : da en
  • GR5971B - METHOD OF TREATMENT OF STERILIZATION AND PRESERVATION OF PERIODS AND OTHER FRUITS AND VEGETABLES. : el en
  • USRE20067E - Wire drawing apparatus : en
  • US2051617A - Loose leaf binder : en
  • US2051277A - Heat interchanger : en
  • US2051286A - Water cooled brake for draw works : en
  • US2051069A - Boiler cleaner support : en
  • DE634094C - Ball game with a long elastic cord attached to the ball : de en
  • US2051019A - Means for stabilizing the fluctuating flow of liquids in pipe or conduit systems : en
  • US2051622A - Electrically operated switch : en
  • US2051627A - Caster : en
  • US2051181A - Tuning and switch device : en
  • US2051406A - Mirror support : en
  • US2051152A - Handle securing means for tools and implements : en
  • USD100874S - Design for a bottle : en
  • CA359875A - Electric projection lamp : en fr
  • US2051057A - Art of destroying insects and the like : en
  • DK52022C - PROCEDURE FOR MANUFACTURE OF SUCTIONAL, OXYDIC LAYERS FOR PHOTOGRAPHIC PURPOSES ON ALUMINUM AND ALUMINUM ALLOYS. : da en
  • FI17169A - Locking device for truck tailgate : en fi
  • FR801766A - Method and device for heating incandescent, high potential cathodes, discharge vessels, more particularly applicable to the production of a high direct voltage : en fr
  • CA359951A - Loose leaf binder : en fr
  • DK52036C - Corrosion Resistant Replacement Parts for Placement in the Interior of the Human or Animal Body. : da en
  • GB452068A - Improvements relating to television : en
  • GB452365A - Improvements in and relating to aircraft with autorotative wings : en
  • US2051130A - Ignition apparatus fob fluid : en
  • GB452103A - Improvements in and relating to welting for boots and shoes : en
  • GB452245A - Improvements in or relating to the manufacture of bottles or like containers : en
  • US2051800A - Insect trap : en
  • USRE20074E - Method of and means fob lockingi : en
  • USD100884S - Design fob a spoon or similar article : en
  • DE634291C - Method for regulating the speed of rotor-fed three-phase shunt motors with double brush set by alternating series and parallel connection of the stator winding : de en
  • US2051549A - Separable attachment plug : en
  • US2051384A - Head covering : en
  • US2051702A - Electric socket plug : en
  • AU2359935A - Amendment : en
  • CA359922A - Container hot plating method : en fr
  • AU2563535A - Improvements in or relating to pencels : en
  • US2051634A - Pipe wrapping machine : en
  • AU2515235A - Improvements in plain bearings : en
  • CA359859A - Ornamental band : en fr
  • GB452165A - Improvements relating to hydraulically operated machine tools : en
  • AU2549735A - Improvements in and relating to electric heating devices such as electric cookers : en
  • DE634256C - Device for coupling a plurality of coaxially arranged electrical switching elements, such as regulating resistors, variable capacitors or the like. : de en
  • DE634126C - Device for comparing the draft of stoves and stoves : de en
  • DE634190C - Method and device for operating sludge digesters : de en
  • US2051056A - Rescue device : en
  • CA359952A - Caster wheel appliance : en fr
  • DK52019C - Electric Discharge Tube or Bulb and Socket for the same. : da en
  • FR801798A - Shoe cleaning box : en fr
  • CA359903A - Egg grader : en fr
  • GB452178A - Improvements in or relating to advertising and the like signs : en
  • US2051351A - Fuel feed for internal combustion engines : en
  • USRE20072E - Sedimentation apparatus : en
  • US2051154A - Coating apparatus : en
  • US2051584A - Method of making copies with reduced screen structure : en
  • DE634251C - Installable and disconnectable coupling, especially for rail vehicles : de en
  • US2051252A - Dirigible headlight : en
  • US2051403A - Paper coating : en
  • US2051640A - Method of manufacturing tie plates : en
  • US2051713A - Set shoe seal and setting tool : en
  • US2051410A - Process of making a dispersion of a hard resin of the coumarone indene type : en
  • US2051647A - Truck : en
  • US2051639A - Wiring grille and method of making the same : en
  • US2051764A - Machine for sealing mapules or the like : en
  • CA359961A - Insulating material : en fr
  • AU2506435A - Process for the preparation of animal skin material especially for the manufacture of fine moulded products form fibrous skin paste : en
  • US2051611A - Direct time indicating apparatus : en
  • GB452261A - Cam arrangements for jacquard purl knitting machine : en
  • GB452333A - Improvements in gas heated washing machines or boilers : en
  • GB452308A - Improvements in pedal operated controllers for electrically propelled vehicles : en
  • US2051440A - Device for atomizing powder : en
  • CA359901A - Air conditioning system : en fr
  • US2051754A - Window construction : en
  • USD100837S - Design for a combined illumination : en
  • US2051380A - Thermal relay : en
  • US2051532A - Preformed product and method of making same : en
  • US2051555A - Method and apparatus for closing and sealing cartons : en
  • US2051616A - Valve mechanism for rock drills : en
  • US2051748A - Spinning top : en
  • CA359968A - Collapsible valve : en fr
  • DK52014C - Procedure for Removing the Dissolving Ingredients from Raw Phosphates. : da en
  • GB452053A - Improvements in and relating to aircraft : en
  • GR5975B - METHOD OF CONSTRUCTION OF RELIEF GEOGRAPHICAL MAPS. : el en
  • GB452186A - Listening device for telephones : en
  • US2051746A - Shoe trimming machine : en
  • AU2537335A - Improvements in or relating tothe scraping, planing or cleaning or like treatment of metal andother surfaces : en
  • CA359858A - Coupling : en fr
  • US2051344A - Automatic packaging and vending machine : en
  • US2051497A - Multiple derrick construction : en
  • CA359962A - Roller bearing : en fr
  • US2051064A - Tiled or paneled wall : en
  • DE634165C - Gluing machine for narrow strips of wood, boards, etc. like : de en
  • CA359891A - Textile dyeing apparatus : en fr
  • GB452371A - Improvements in and relating to alternating current relays : en
  • CA359877A - Nitric acid production : en fr
  • CA359956A - Diaphragm valve : en fr
  • US2051023A - Gas mask : en
  • US2051196A - Oil circuit breaker : en
  • US2051591A - Clasp for string jewelry : en
  • CA359923A - Keyboard perforator and counter : en fr
  • CA359944A - Suction roll manufacture : en fr
  • AU2337935A - An improved method and means of controlling the quantity of steam passing into a furnace : en
  • US2051397A - Heating device : en
  • US2051363A - Process fob the preparation of : en
  • US2051442A - Resilient coupling for transmitting power : en
  • US2051483A - Container filling machine : en
  • US2051502A - Measuring instrument : en
  • US2051734A - Golf tee : en
  • USD100873S - Design for a mail rack : en
  • CA359927A - Vehicle seat : en fr
  • GB452338A - Improvements in or relating to closets or like water-sealed basins or pans : en
  • US2051149A - Settling tank : en
  • US2051718A - Angle piece for dental purposes : en
  • US2051489A - Separator device for roughage mills : en
  • AU2435335A - An improved cultivator for checking and preventing soil drift : en
  • CA359862A - Oil soluble resin : en fr
  • FR801847A - Photoelectric light meter for photographic and cinematographic cameras : en fr
  • GB452437A - Improvements in and relating to apparatus for the heating and drying of garments and fabrics : en
  • FR801879A - Textile article and its manufacturing process : en fr
  • USD100863S - Design for a shoe : en
  • FR801787A - box element of plastic, and in particular of artificial resin, for electricity meter : en fr
  • FR801900A - Controller for driving television sets and other applications : en fr
  • FR801942A - Process for manufacturing resistors in artificial resin, with conductive or semiconductor bodies embedded in very fine distribution : en fr
  • GB452415A - Improvements relating to hydraulic transmission gear : en
  • US2051590A - Method of assembling power transmitting devices : en
  • CA359976A - Reciprocal spring action : en fr
  • DE634280C - Breathing protection filter with a grainy cleaning compound that dissolves when used : de en
  • GB452042A - Improved apparatus for playing a new game : en
  • GB452501A - Improvements in or relating to reflectors for lamps : en
  • AU2422635A - Improvements in gas producers : en
  • GB452057A - Improved piston and piston-rings : en
  • US2051128A - Railway switch operating apparatus : en
  • US2051513A - Dispensing cap for collapsible tubes : en
  • US2051636A - Surface exploring and thickness gauging device : en
  • USD100927S - Design for a child s garment : en
  • US2051346A - Piston ring : en
  • AU2541635A - Improvements in electric discharge devices : en
  • CA359930A - Cellulosic textile material : en fr
  • US2051376A - Duplicating mechanism : en
  • US2051328A - Plowshare edge and point reclaimer : en
  • DE634065C - Arrangement to cover peak powers of different frequencies occurring at different times in power plants with base and peak load machines : de en
  • DE634282C - Process for removing iron from aluminum sulfate or aluminum alum solutions : de en
  • DE630899C - Pressing machine for dough and similar masses : de en
  • DE634114C - Ceiling junction box for connecting electrical lighting, avoiding screw connections : de en
  • DE634122C - Pan with hinged lid for moving liquid iron from the blast furnace to the steel mill : de en
  • DE634174C - Device for tearing through a winding paper web when changing the winding rollers : de en
  • US2051592A - Electrolytic device : en
  • GB452244A - Improvements in and relating to automatic central buffer couplings for railway vehicles : en
  • IE13634L - Tiles : en
  • GB452111A - Improvements in or relating to nozzles for vacuum cleaners : en
  • GB452275A - Improvements in lighting fittings : en
  • GB452441A - Process for the manufacture of new high molecular products containing sulphur : en
  • FR801819A - Watch case : en fr
  • DE634264C - Plaster support with the intersections of a wire mesh or mesh surrounding moldings made of baked clay, loam, cement or any other plastic mass : de en
  • FR801830A - Improvements in the control of the current on and off periods in an electrical circuit : en fr
  • GB452379A - Improvements in and relating to electric motors : en
  • DE634273C - Automatic piston leather opener for air pumps : de en
  • FR801825A - Method of arranging, in an existing window, a hidden roller shutter : en fr
  • GB452185A - Improvements in or relating to step ladders : en
  • US2051113A - Selecting and shifting mechanism for transmissions : en
  • US2051473A - Production of alkylated phenolic bodies : en
  • FI17137A - Karosseri för fordon, speciellt skenfordon : en fi
  • GB452197A - Improvements in and relating to stereoscopes : en
  • US2051339A - Machine for closing cartons : en
  • US2051240A - Heating and lighting equipment : en
  • CA359926A - Adjustable seat : en fr
  • DE634103C - Process for the preparation of resinous condensation products : de en
  • DE634177C - Covering objects with an even layer of fine particles : de en
  • US2051055A - Liquid dispenser : en
  • US2051078A - Motor car without rotary swinging movement : en
  • GB452307A - Improved brassiere or bust-bodice : en
  • US2051408A - Bracket : en
  • CA359949A - Loose leaf binder : en fr
  • DK52033C - Freewheel brake hub with brake lock. : da en
  • US2051298A - Adjustable magnet support for electric switches and relays : en
  • DE634092C - Process for the production of inscriptions, drawings, samples or other representations on aluminum and its alloys : de en
  • USD100923S - Design fob a combined stopper : en
  • DE634289C - Mining tunnel frame : de en
  • US2051158A - Coin controlling device for coin controlled vending machines : en
  • US2051330A - Clothesline adjuster : en
  • US2051684A - Weed exterminator : en
  • US2051690A - Tire chain binder : en
  • US2051176A - Wind instrument of the reed type : en
  • FR801816A - Arc welding device for simultaneously obtaining two parallel welds : en fr
  • FR801845A - Vulcanized rubber regeneration process : en fr
  • GB452399A - Improvements in or relating to devices for blowing granular particles on to surfaces : en
  • US2051073A - Rail car : en
  • US2051733A - Cold conserver : en
  • FR801950A - Improvements made to fixing devices, in particular those for securing defrosters on aircraft plans : en fr
  • FR801922A - Nitration process for nitro-fibrous and solid compounds and nitric acid esters : en fr
  • DE634216C - Carrier, e.g. in the form of a curtain rail, for draw curtains or blinds and overhead curtains : de en
  • USD100880S - Design fob elastic fabric ok : en
  • US2051031A - Punching machine : en
  • GR5976B - SOCKETS FROM SIMPLE FABRIC. : el en
  • FI17154A - Combustion engine : en fi
  • US2051159A - Nozzle making and capping machine : en
  • FR801767A - Apparatus for humidifying or cooling the atmosphere : en fr
  • US2051451A - Sign : en
  • US2051043A - Chair iron : en
  • US2051564A - Torpedo firing pistol : en
  • US2051757A - Weather strip : en
  • US2051237A - Sewing machine attachment : en
  • US2051260A - Radio receiving antenna circuit : en
  • US2051050A - Telescope : en
  • US2051174A - Clip : en
  • GB452098A - Improvements in and relating to reflectors : en
  • GB452149A - The production of improved effects on cellulosic fabric : en
  • GB452190A - Improvements relating to door mats : en
  • US2051624A - Piezoelectric crystal : en
  • USD100848S - Design for a spoon or similar article : en
  • DE634252C - Pendulum single wheel drive for vehicles of all types, especially for rail vehicles : de en
  • GB452173A - Improvements in or relating to the construction and mounting of axles for road or rail vehicles : en
  • GB452253A - Improvements in or relating to steam driving arrangements for vehicles, particularly adapted for high steam pressures : en
  • US2051047A - Method of treating fibrous material : en
  • US2051051A - New cellulose derivatives and process of making same : en
  • US2051420A - Rack : en
  • FR801897A - Cigarette maker, skein type : en fr
  • GB452208A - Improvements in or relating to impulse transmitters for automatic telephone systems : en
  • FI17152A - Telephone box office : en fi
  • DE634198C - Process for the preparation of cyclohexenyl alkyl hydantoins : de en
  • GB452269A - Improvements in and relating to the production of magnesium and alkali earth metals by electrolysis of fused starting materials : en
  • US2051401A - Temperature control for gas ranges : en
  • US2051457A - Electrical discharge device : en
  • FR801759A - Electric circuit breaker : en fr
  • DE634117C - Bottle for storing and removing easily evaporating liquids or similar medicines : de en
  • DE634259C - Counter tube for radiation measurement, especially for measuring potassium radiation : de en
  • GB452071A - Improvements in moulds for freezing cream, water and the like : en
  • US2051366A - Exercising apparatus : en
  • USD100861S - Design fob an agitator for domestic : en
  • US2051116A - Power press driving mechanism : en
  • US2051168A - Web and bituminized article made therefrom and process of making same : en
  • US2051201A - Film making machine and method : en
  • US2051614A - Well drilling and pumping apparatus : en
  • AU2387035A - Improvements relating to electric discharge devices : en
  • US2051411A - X-ray apparatus : en
  • US2051559A - Drive mechanism for fuel burners : en
  • US2051324A - Lamp : en
  • GB452088A - Improvements in method and apparatus for blowing sponge rubber : en
  • DK52027C - Spacer block for use in casting walls and similar building components of concrete. : da en
  • FI17157A - Ändlös rem och förfaringssätt för dess framställning : en fi
  • GB452270A - Improvements in or relating to printing machines particularly for printing tickets and the like : en
  • FR801883A - Process for preparing interesting products derived from olefins : en fr
  • US2051719A - Electric vaporizer : en
  • US2051518A - Spray gun adapter : en
  • USD100928S - Design fob a microphone support : en
  • CA359883A - Network system of distribution : en fr
  • US2051758A - Machine for testing cans : en
  • FR801799A - Device for cutting chestnuts in a practical way : en fr
  • GB452171A - Improvements relating to fluid meters : en
  • GB452084A - Improvements in or relating to systems for recording, reproducing or transmitting signals by means of electric currents : en
  • DE634178C - Circuit arrangement for switching off a faulty master clock : de en
  • DE634269C - Process for connecting the upper and the sole of reversible shoes : de en
  • US2051316A - Cordage and method of making same : en
  • FR801869A - Application to timing timers of a device eliminating the disengagement of the motion transmitting pinion, the usual cause of blockage : en fr
  • GB452322A - Improvements in and relating to electric motors : en
  • GR5974B - PERFECTIONS OF AIR HUMIDIFICATION MACHINES. : el en
  • FR801917A - Improvements to light signal devices, in particular for railways : en fr
  • FR801915A - Process for improving latex preparations : en fr
  • GB452273A - Apparatus for meltins and spreading tar, pitch, bitumen or other hydrocarbons of the heavy kind : en
  • FR801773A - Inner body, water-cooled, for cylinders of internal combustion engines : en fr
  • GB452263A - Improvements in and relating to periscope for armoured endless track vehicles, motor cars, railway cars and the like : en