• DE679370C - Quick release device for vices : de en
  • US2168338A - Cellulosic structure and method of producing same : en
  • US2168847A - Thioamides and processes of preparing the same : en
  • FR845085A - Devices for rapid starting of engines in cold weather : en fr
  • GB510998A - Improvements relating to glazing bars for roofs, windows and other structures : en
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  • DE679643C - Gear differential for ground vehicles : de en
  • US2168364A - Feed mechanism for duplicating machines : en
  • US2168462A - Manufacture of alternating current rectifiers of the dry-contact type : en
  • US2169073A - Film clip : en
  • AT156674B - Heating furnace for tailor iron. : de en
  • US2168914A - Vending machine : en
  • DE665886C - Fuel injection pump for pilot and main injection : de en
  • GB510748A - Improvements in fuel injection pumps for internal combustion engines : en
  • AT156698B - Receiving arrangement for carrier current systems with level regulators. : de en
  • GB510752A - Improvements in telephone systems : en
  • US2168403A - Saw-tooth wave generator : en
  • US2168725A - Building construction : en
  • US2168898A - Single wheel mold conveyer : en
  • US2169068A - Train line connector : en
  • FR845074A - Thermal motor : en fr
  • DE679469C - Process for the production of light-sensitive layers : de en
  • DE679751C - Handle attachment for hammer and striking tools : de en
  • DE679669C - Inclination scales, especially for weighing grain : de en
  • GB510985A - Vacuum cleaner attachment for air filtration : en
  • GB510988A - Improvements relating to bookstacks, more particularly of metal, comprising adjustable shelves and associated side plates : en
  • GB510916A - Improvements in control-valves for pressure-fluid circuits : en
  • GB511156A - Improvements in or relating to artillery : en
  • DE679658C - Operating switch located in the direct current feed line of a pendulum inverter : de en
  • US2168471A - Machine for taping shoe parts : en
  • US2168527A - Annealing plant : en
  • US2168586A - Fuse construction : en
  • US2169094A - Driving and stopping mechanism : en
  • DE679733C - Starting device : de en
  • FR845082A - Adjustment system for radio receivers : en fr
  • DK56525C - Power transmission device for Motor Vehicles. : da en
  • DK56513C - Stove. : da en
  • US2169187A - Copper base alloy : en
  • DE679650C - Device for automatic sharpening of receivers : de en
  • DE679305C - Process for the production of aluminum by decomposing aluminum carbide : de en
  • US2168386A - Viscosimeter : en
  • FR49829E - Visor forming a frame, in one piece of molded transparent material, particularly applicable to gas masks : en fr
  • FR845097A - Process for the production of sulfonamide aromatic compounds of antimony : en fr
  • FR845720A - Device for sound recording or reproduction : en fr
  • US2168622A - Material handling mechanism : en
  • USD116024S - Design for a plug for bathtubs, sinks : en
  • AT156703B - Process for the production of optical contact copies of sound films with mechanically generated vibration recording. : de en
  • AU108122B2 - Means for testing the proportions of concrete : en
  • CA383256A - Vehicle cushioned connection : en fr
  • US2168654A - Brake operating mechanism : en
  • GR8419B - T-SHIRT TYPE : el en
  • DE679639C - Multiplication machines with memory means controlled by punch cards : de en
  • FR49804E - Filter cartridge and related mounting device : en fr
  • FR844964A - Cathode ray oscillograph : en fr
  • US2168505A - Wallpaper placement and aligning means : en
  • DE679523C - Process for the production of shaped articles from mica : de en
  • FR845003A - Modulation indicator for sound film recording devices : en fr
  • FR845119A - Process for the surface treatment of iron and steel : en fr
  • GB510740A - Method and apparatus for charging elongated explosion chambers : en
  • GB510913A - Improvements in or relating to the formation of base portions of paper or like bottles or containers : en
  • USD116087S - Design foe : en
  • US2168437A - Injection device : en
  • US2168755A - Fabric contacting circuit closer for knitting machines : en
  • DE679401C - Wire cluster sieve for jug : de en
  • GB510783A - New or improved means for ensuring uni-directional rotation of a shaft : en
  • FR845032A - Aircraft powertrain suspension device : en fr
  • FR845001A - Automobile engine cooling water heater : en fr
  • GB511008A - Improvements in and relating to the creel mechanism of warping frames : en
  • US2168418A - Photographic plate holder : en
  • US2168662A - Radio program annunciator : en
  • US2168726A - Propulsion of aircraft and gas turbines : en
  • USD116054S - Design fob a drill holder : en
  • GB510801A - Improvements in or relating to apparatus for measuring electric resistances, particularly insulation resistances : en
  • DE679787C - Disinfectants and preservatives : de en
  • GB510704A - Apparatus for massaging the limbs or parts thereof : en
  • GB510945A - Improvements in closed bodies for automobile vehicles : en
  • GB510964A - Improvements in or relating to the manufacture of lubricants : en
  • US2168320A - Telephonic house protection system : en
  • US2168776A - Welt sewing attachment : en
  • FR845004A - Improvements for the extraction under pressure or for the destructive hydrogenation of solid carbonaceous materials : en fr
  • DE677934C - Device for changing the operation of button acceptance machines : de en
  • CA383180A - Emergency lighting unit : en fr
  • GB510823A - Improvements in paper making machines : en
  • US2169096A - Electrical amplifier system : en
  • AT156736B - Valve control for piston steam engines, in particular locomotive steam engines and ship steam engines. : de en
  • US2168765A - Headwear : en
  • US2169042A - Cooler for photomechanical printing plates : en
  • CA383273A - Book rack : en fr
  • CA383324A - Television system : en fr
  • GB510869A - Improvements in or relating to lifeboats, such as ships' lifeboats : en
  • DE673747C - Process for the production of factice : de en
  • CA383221A - Electric switch operating mechanism : en fr
  • DE679420C - Process for the production of maleic anhydride : de en
  • US2168629A - Pneumatically operated electric contactor : en
  • US2168513A - Baby chair : en
  • US2168719A - Means for obtaining and controlling fluid pressure : en
  • FR844965A - Progressive suspension particularly intended for motor vehicles and trailers : en fr
  • AU108131B2 - Process for producing paraffin wax : en
  • CA383313A - Vehicle brake holding device : en fr
  • AU8639A - Improvements in and relating to radio direction finding systems : en
  • US2168688A - Enlarging apparatus for movie films : en
  • FR845083A - Damping and adjustment process for pneumatic controls : en fr
  • DE679641C - Printing calculator controlled by punch cards : de en
  • US2168433A - Cinematographical projecting apparatus with optical compensation : en
  • US2168525A - Labeling machine : en
  • US2168825A - Shell type sluice gate : en
  • DE679594C - Manufacture of permanent magnets : de en
  • GB510721A - Improved device for actuating the controls of aircraft : en
  • DE679651C - Band filter device with variable bandwidth : de en
  • US2168987A - Film feeding mechanism : en
  • US2168460A - Signaling system : en
  • DE679640C - Typewriter with perforated tape control : de en
  • GB510857A - Improvements in and relating to methods of printing : en
  • DE679610C - Power driven release device for die setting and line casting machines : de en
  • DE679446C - Device for obtaining spinnable fibers from coarse bast fiber stalks : de en
  • FR845106A - Transport and sealing cover for patient basin : en fr
  • USD116062S - Design for a clock ob similar article : en
  • USD116073S - Design for a transparent bar : en
  • US2168810A - Chair base : en
  • GB511036A - Manufacture of stable emulsions and dispersions of polymerisation products : en
  • US2168877A - Method of fabricating cosmetic : en
  • FR49830E - Pressure straightening machine for hard material surfaces : en fr
  • GB510726A - Apparatus for spraying paint and other materials : en
  • US2168798A - Structural curb : en
  • US2168926A - Egg white process : en
  • FR49826E - Precision stamping device for affixing signs, designs, etc., to maps or other documents : en fr
  • GR8427B - METHOD FOR ACQUISITION OF IRON INDOGRAPHS FROM MINERALS AND OTHER MATERIALS IN ROTATING TUBES OVEN : el en
  • US2168401A - Apparatus for separating blanks from sheet material : en
  • US2168495A - Hoist and feed hopper : en
  • USD116075S - Design for a coat : en
  • USD116094S - Design for an airplane : en
  • US2168574A - Method of separating wax-containing materials : en
  • US2168827A - Process of making vinyl-acetal resins : en
  • DE679259C - Telegraph transmitter : de en
  • DE679621C - Arrangement for measuring resistance values with the help of an alternating current measuring bridge : de en
  • FR845129A - Method of fixing a tubular, incandescent or discharge electric lamp : en fr
  • FR845137A - Process for preparing nitrogenous condensation products and improving textiles : en fr
  • GB510811A - Improvements in and relating to electric telephone cable installations : en
  • GB511176A - A device for measuring liquids and gases : en
  • US2168432A - Hairpin opener : en
  • US2168672A - Motor : en
  • DE679657C - Arrangement with gas or vapor-filled discharge vessel : de en
  • CA383239A - Metal object degreasing process and solvent : en fr
  • US2168442A - Signal transmitting means : en
  • US2168766A - Patch-making tool : en
  • US2168976A - Auto cushion : en
  • US2168819A - Glove manufacture : en
  • US2169034A - Gear shifting mechanism : en
  • USD116065S - Design for a pin : en
  • AT156729B - Sun and rain protection tarpaulin. : de en
  • GB510887A - Improvements relating to regulator machines for use with rotary transformers of the kind known as metadyne transformers : en
  • DK56517C - Engine compressor, particularly useful as a fuel generator, with free-running pistons. : da en
  • DE679678C - Overflow valve with automatic pressure compensation device for circulating pumps : de en
  • DE661981C - Work scaffolding for buildings, especially for house facades : de en
  • FR844990A - Indigoids tank dyes : en fr
  • US2168328A - Deicing means for airplanes : en
  • US2169196A - Process for the preparation of dibromoaminoanthraquinone compounds and products obtainable thereby : en
  • CA383280A - Television transmitting apparatus : en fr
  • DE679482C - Process for the production of Kuepen dyes of the dibenzanthrone series : de en
  • CA383274A - Television deflecting circuit : en fr
  • US2168425A - Walking animal toy : en
  • US2168559A - Sheet feeding apparatus : en
  • US2168795A - Side wall for railway cars : en
  • US2169013A - Photographic apparatus : en
  • US2169200A - Dull finish coated fabric and process of making the same : en
  • USD116053S - Design for a combined bear view : en
  • US2168637A - Optical instrument : en
  • US2168747A - Electric switch : en
  • US2169010A - Still projector : en
  • CA383172A - Acetic anhydride manufacture : en fr
  • AT156680B - Stroller with a housing-like protective roof. : de en
  • FR845120A - Improvements in processes for removing surface defects from blooms, billets, bars for metal boards, etc. : en fr
  • GB511135A - Improvements in bracket plates for the joining and securing of sections for the building of sectional structures for greenhouses, frames, huts, garages and the like : en
  • US2168745A - Hog feeder : en
  • AT156685B - Refuse collection truck. : de en
  • FR845045A - Nets, ropes, sails, etc., of artificial polymers with a high degree of polymerization : en fr
  • GB510901A - Improvements in the manufacture and production of carboxylic acid chlorides and carboxylic acids : en
  • GB511172A - Improvements in or relating to colour photography : en
  • CA383243A - Surface flattening device : en fr
  • US2168373A - Selector mechanism for electrical : en
  • US2168939A - Cycle fixture : en
  • US2168953A - Artificial tooth : en
  • USD116049S - Design for a measuring device : en
  • CA383297A - Stiffener placing machine : en fr
  • DE679704C - Material length measuring machine : de en
  • US2168507A - Propelling and finishing units : en
  • US2168592A - Gear shifting mechanism : en
  • US2168799A - Projection apparatus : en
  • US2168995A - Diaphragm construction : en
  • US2169120A - Internal combustion motor : en
  • US2169177A - Method of manufacturing separable fasteners : en
  • GB511023A - Improvements in, and connected with, ornaments : en
  • GB510881A - Improvements in or relating to methods of producing electrical oscillations : en
  • US2169045A - Composite photography : en
  • FR845136A - Spinning pot for the manufacture of rayon by the centrifugation process : en fr
  • GB510795A - Improvements in or relating to air conditioning apparatus : en
  • AT156660B - Process for the manufacture of a long-lasting product that affects bleeding. : de en
  • AU108101B2 - Improvements in or relating tothe production of hard alloys : en
  • US2168865A - Device for binding books and so forth : en
  • DE679514C - Telecommunication transmission system with inductively loaded lines with high attenuation : de en
  • USD116069S - Design for a harmonica : en
  • US2168352A - Color-comparing device : en
  • DE679535C - Process for the recovery of solvents from hydrocarbon solvent mixtures : de en
  • US2168963A - Candy stick machine and method of making : en
  • CA383189A - Mercury switch : en fr
  • US2168496A - Hydraulic implement : en
  • USD116100S - Design for a pin clip : en
  • US2168669A - Arrangement for driving auxiliary pilot pumps and slippage pumps : en
  • AT156653B - Mitten glove. : de en
  • DE679546C - Mica heat sensor : de en
  • DE679800C - Suction box with screen support rollers for paper machines : de en
  • GB511052A - Improvements in and relating to partitions and the like : en
  • DE679518C - Booking engine : de en
  • DE679541C - Process for the production of glasses with low thermal expansion : de en
  • FR844977A - Device for measuring very intense direct electric currents: kiloammeter and magnemeter : en fr
  • GB510885A - Improvements in or relating to electrical measuring instruments : en
  • US2168526A - Unitary thermally responsive timing mechanism : en
  • US2168784A - Guard or fringe and package therefor : en
  • US2168518A - Typewriting machine : en
  • USD116034S - Design for a toy dog : en
  • DE679524C - Device for biological wastewater treatment : de en
  • FR49807E - Thermostatic device : en fr
  • GB511139A - Improvements relating to the hinges of movable panels, covers or the like : en
  • CA383314A - Mineral pulverizing apparatus : en fr
  • US2168545A - Control device : en
  • GB510912A - An improved manufacture of paving compositions : en
  • CA383319A - Windshield wiper blade : en fr
  • US2168541A - Rock drill : en
  • USD116117S - Design for a dress : en
  • US2168491A - Tourist cooker : en
  • US2168852A - Caterpillar drive for conveyers : en
  • US2169031A - Electric discharge apparatus : en
  • FR845039A - Protective device for the knees or elbows of minors and other persons : en fr
  • GB510972A - Improvements in or relating to heating apparatus for air or other gases : en
  • US2168989A - Method and means for unremovably securing stamp transfers and the like : en
  • US2168996A - Apparatus for making paper : en
  • US2168862A - Hydraulic device for the transmission of power : en
  • USD116030S - Design for a glass jelly dish or arti : en
  • FR49810E - Improved shock absorber for all vehicles : en fr
  • AT156682B - Process for generating contrasts by means of a diazonium compound and layers suitable for this. : de en
  • AU108115B2 - Improvements in glass construction blocks and wall structures : en
  • US2168335A - Cellulosic material and method for preparing same : en
  • US2168494A - Shoe machine : en
  • US2169060A - Cinder notch cooler : en
  • US2168915A - Coupler for lubricant fittings : en
  • US2169174A - Method of and apparatus for con : en
  • DE679484C - Process for tanning skin with trivalent basic iron salt solutions : de en
  • US2168923A - Radio signal receiving system : en
  • US2169083A - Automatic firearm : en
  • US2169129A - Manufacture of formed wire : en
  • GB511141A - Improvements in or relating to cooking stoves, or domestic open fireplaces : en
  • US2169091A - Lamp socket : en
  • DE679648C - Steam trap with slide : de en
  • GB510958A - Improvements in and relating to machines for filling receptacles with liquids : en
  • GB510983A - Improvements in thermionic cathodes : en
  • US2168928A - Single ply asbestos faced drier felt : en
  • US2168394A - Machine for opening envelopes : en
  • US2168521A - Buckle for straps : en
  • DE679695C - Device for securing the uniform running of tape-shaped sound recording media : de en
  • US2168475A - Machine for pressing soles on shoe bottoms : en
  • DE679600C - Recuperator : de en
  • GB510779A - Improvements in or relating to machines for cutting up or shredding fruit, vegetables and the like : en
  • AT156673B - Bicycle lock. : de en
  • GB510822A - Process for the heat-treatment of steels that are heat-resistant : en
  • GB511033A - Improvements in and relating to screws and self-tapping screwdrivers : en
  • US2169137A - Slack adjuster : en
  • US2168992A - Combination wire twister and tightener : en
  • GB510733A - Process for pickling siderurgical products : en
  • DE679708C - Paternoster-like device for continuous extraction : de en
  • GB510759A - Process for the manufacture of alloys of silicon : en
  • FR845052A - Improved process and machine for interior pipe lining : en fr
  • GB510922A - Improvements in suction pipes for dredgers or other apparatus for the suction of solid substances suspended in a liquid : en
  • DE679626C - Corner block for stiffening the connection between two wooden components standing perpendicular or at an angle to each other, flat or curved : de en
  • DE679739C - Developing machine for film strips : de en
  • GB510954A - An improved lamp for pedestrians, motors, motor-bicycles and pedal cycles and the like : en
  • FR49803E - Improvements to propellers and other rotating gear working in a fluid : en fr
  • USD116088S - Design fob a brooch ob similar : en
  • US2168330A - Purification of waxes : en
  • US2169059A - Hinge : en
  • GB510888A - New anthraquinone compounds : en
  • US2168477A - Water-soluble urea-formaldehydeethylene glycol condensation products and process of producing the same : en
  • DE679581C - Single-coat hair dryer hood : de en
  • DE679705C - Device for presenting a thin, smooth, lengthwise sewn woven fabric hose of an inclined cutting machine : de en
  • FR845117A - Improvements to hollow saddle body supports in elastic material for bicycles, motorcycles, etc. : en fr
  • DK56512C - Electrical Coupling for Use in the Thermal Treatment of Substances, In particular for the Vulcanization of Rubber. : da en
  • GB510821A - Improvements in or relating to edible emulsions for use as salad dressings : en
  • DE679497C - Closure for adjustable wristbands, e.g. B. watch straps, with two strings running on top of each other : de en
  • DE679679C - Adjustable roller skate arranged to operate the rudder and wheel brakes on aircraft : de en
  • US2168661A - Trailer : en
  • FR49848E - Process for obtaining steels exhibiting great micrographic cleanliness : en fr
  • GB510736A - Improvements in the recovery of coronene : en
  • GB510749A - Improvements in concrete floors, ceilings and the like : en
  • US2168900A - Nonresonant car wheel : en
  • USD116022S - Design for a refrigerating display : en
  • CA383218A - Engine manifold : en fr
  • US2168983A - Testing device : en
  • US2168792A - Sound recording and reproducing apparatus : en
  • CA383160A - Saw blade : en fr
  • GB510879A - Improvements in or relating to adjustable shelf supports and display apparatus : en
  • US2168563A - Nitrostarch explosive : en
  • US2168470A - Hearth pan structure : en
  • DE679473C - Electrolytic water decomposer : de en
  • US2168457A - Postage meter : en
  • US2168565A - Closure cap and method of making : en
  • US2169198A - Refrigerating apparatus : en
  • GB511046A - Improvements in or relating to weighing apparatus : en
  • US2168443A - Indicating device : en
  • US2168411A - Method and apparatus to prevent adhesion of type metal to spaces of line-casting machines : en
  • CA383253A - Refillable dispenser : en fr
  • AU3239A - Improvements in pipe joints : en
  • GB510925A - Supporting band for curtains, hangings, or the like : en
  • AU316838A - Process of and apparatus forthe production of oxidation products such as fatty acids or alcohols from hydrocarbons of higher molecular weight by oxidation : en
  • CA383281A - Denture part production : en fr
  • DE674244C - Regulator knee tube for locomotives : de en
  • DE679611C - Vice of a die setting and line casting machine : de en
  • DE679623C - Method and device for de-lumbering pre-broken bast fiber material : de en
  • FR49805E - Improvements in electric motor starting systems for internal combustion engines or the like : en fr
  • GB511047A - Improvements in containers for gases condensed by absorbents : en
  • FR845024A - Method and device for cleaning tanks with alkaline cleaning agents : en fr
  • US2168484A - Highway signal : en
  • US2168890A - Cardiac recording apparatus : en
  • US2168904A - Automatic fuel pump regulator : en
  • US2169125A - Supporting means : en
  • CA383179A - Hoof trimmer : en fr
  • US2169088A - Automatic automobile signal light switch : en
  • US2168854A - Nail or spike : en
  • US2169152A - Azo dyestuffs and process of making same : en
  • USD116099S - Design for a pin clip : en
  • US2168711A - Fluid actuated power apparatus : en
  • US2169155A - Lubricant : en
  • US2168427A - Thermal dilator : en
  • CA383206A - Snow melting device : en fr
  • US2168588A - Collapsible segmental former : en
  • US2168975A - Massaging device : en
  • DE679389C - Process for the production of perchlorethylene : de en
  • AU108313B2 - Improved packing means for safety razor blades and methods of removing the blades therefrom : en
  • GB510980A - Improvements in or relating to means for supplying purified air to buildings, vehicles and the like during gas attacks : en
  • US2168397A - Temperature compensator : en
  • US2168943A - Method for uniting fusible crystalline bodies : en
  • GB510804A - Improvements in and relating to the removal of thionates from solution : en
  • USD116025S - Design fob a combined rotary blot : en
  • US2168817A - Railway signaling : en
  • US2169051A - Reducing-sugar product : en
  • AT156724B - Bomb-proof ceiling for air raid shelters. : de en
  • CA383235A - Hollow glass body making apparatus : en fr
  • US2169018A - Electric wave reception : en
  • FR844992A - Metal part, in particular electrical connection part, connected to a wire, a blade, etc., and method for its manufacture : en fr
  • GB510816A - Improvements in devices for introducing medical tablets into the body : en
  • US2168558A - Rebound spring : en
  • US2168990A - Form tie : en
  • US2169065A - Folding box : en
  • US2169158A - Code calling selector : en
  • GB510819A - Improvements in or relating to tuning devices for wireless receivers : en
  • GB510824A - Improvements relating to overhead or pendant lamps : en
  • US2168332A - Seed planting, seed inoculation, and fertilizer : en
  • AT156701B - Process for making permanent dairy food. : de en
  • CA383329A - Electric discharge tube : en fr
  • US2168611A - Method of and apparatus for the pressure treatment of parts of the human body : en
  • USD116104S - Design for a textile fabric or : en
  • USD116120S - Design for a dress : en
  • US2168875A - Method of treating oils : en
  • US2169057A - Adapting sheet metal elements for screws : en
  • US2168459A - Composite pile with h-beam : en
  • CA383226A - Radio receiver : en fr
  • US2169023A - Power control system : en
  • US2169038A - Ball game : en
  • AU64939A - Means for improving the wavefront steepness ofa synchronization impulse employed in television receiving systems : en
  • US2169171A - Gearing for bicycles : en
  • DE679680C - Control lever arrangement, especially for rotary wing aircraft : de en
  • GB511155A - Improvements in fastenings for chairs, tables, brackets and the like : en
  • US2169170A - Stop motion device : en
  • AT156666B - Filling element. : de en
  • USD116047S - Design for a heater : en
  • USD116020S - Design fob a refrigerating display : en
  • US2168596A - Control apparatus for grinding machines : en
  • AT156746B - Discharge tube with hot cathode. : de en
  • CA383178A - Dress fastener : en fr
  • GB511181A - Process for producing hydrocarbons of high anti-knock value and boiling within motorfuel boiling range from olefinic gases : en
  • AT156684B - Pak strips for packing coins. : de en
  • AU108338B2 - Method and apparatus for preparing cement making materials : en
  • CA383265A - Fountain pen : en fr
  • AU515938A - Improvements in or relating to modulating or demodulating arrangements for use in carrier-wave signalling systems : en
  • US2168874A - Radio receiver : en
  • AU108270B2 - Improved electron tubes ofthe retarding field type and circuits employing them : en
  • AU400038A - Improved method and apparatus for making hollow glass blocks : en
  • US2168387A - Carrying carton : en
  • US2169189A - Copper base alloy : en
  • CA383227A - Television receiver : en fr
  • CA383267A - Seed oil expressing machine : en fr
  • FR845035A - Device for moving the image network in television tubes : en fr
  • DE679569C - Process for improving the mechanical properties of cast iron centrifugally cast pipes : de en
  • DE679667C - Guide device for motor-driven chainsaws : de en
  • FR49840E - Process for the preparation of polycyclic amides : en fr
  • FR845115A - Dentures and artificial palates and their components : en fr
  • GB511031A - Apparatus comprising a low permeability core with an inductive winding thereon : en
  • US2168355A - Method of making auxiliary impact members : en
  • US2168994A - Camera shutter tester : en
  • US2169165A - Wind propelled turbine motor : en
  • DE679503C - Oxygen breathing apparatus with a mass that releases oxygen through thermal decomposition : de en
  • CA383252A - Symmetrical image dissector : en fr
  • US2168499A - Antifriction bearing : en
  • DE679662C - Fire lighter made of a grate with feet and a handle to light coal lying on the grate using paper lying under it : de en
  • AT156738B - Profile wire, especially for the top layers of closed wire ropes. : de en
  • AU108127B2 - Improvements in and relating tothe dispensing of sweetened carbonated liquids, beer andthe like from bulk : en
  • AT156708B - Ventilation device for hydraulic brake systems, in particular for motor vehicles. : de en
  • FR845019A - Folding capsules for the distribution of various products : en fr
  • US2168486A - Duplicating apparatus : en
  • USD116076S - Design for a coat : en
  • AU112387B2 - Improvements in and relating to lighting gas-heated apparatus : en
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  • US2168554A - Supporting clamp for track lubricators : en
  • US2168833A - Apparatus for gathering and forming glass : en
  • US2168912A - Yieldable ticket holder : en
  • USD116078S - Design fob an engine driven electric : en
  • US2168763A - Record controlled machine with improved serial number controls : en
  • US2168863A - Hydraulic power-transmitting device : en
  • CA383290A - Rail flaw detector mechanism : en fr
  • US2169089A - Clutch mechanism : en
  • AT156693B - Device for recording and playing back endless tape-shaped sound carriers. : de en
  • US2168922A - Window assembly : en
  • US2168453A - Door holder : en
  • USD116113S - Design fob a dress : en
  • AT156691B - Gas mask. : de en
  • US2168942A - Flotation apparatus : en
  • US2169118A - Coating for heated surfaces : en
  • US2168832A - Bottle-cap remover : en
  • AU108120B2 - Improvement in cathode-ray signal-generating tubes : en
  • AU228938A - Improvements in helically welded metal pipes : en
  • AU349539A - Improvements in apparatus for receiving television and like signals accompanied by sound : en
  • GB510873A - An improved automatic boat piloting apparatus : en
  • US2168706A - Lawn mower : en
  • CA383322A - Modulated carrier wave receiver : en fr
  • FR844993A - Pyridinium derivatives and process for the preparation of these derivatives : en fr
  • DE658253C - Device for carrying out reactions on catalytically active metal fabrics : de en
  • DE679480C - Process for the production of electrodes for electrical accumulators : de en
  • US2168748A - Fluid pressure braking system : en
  • US2168969A - Iced-cocktail container : en
  • US2168702A - Carcass tongue protector : en
  • AT156745B - Device for checking the expiry time of number switches for telephones. : de en
  • CA383208A - Duplex metal article production : en fr
  • US2169002A - Indicator for musical compositions : en
  • US2169143A - Recording and reproducing apparatus : en
  • CA383232A - Glass article manufacture : en fr
  • US2168902A - Surface condenser : en
  • US2169052A - Check valve : en
  • DE679341C - Process for the production of resinous condensation products from nitrogen-containing heterocyclic compounds and low molecular weight aldehydes of the fatty series : de en
  • CA383302A - Telephone testing system : en fr
  • GR8417B - SYSTEM OF ACCOUNTING ACCOUNTING DEVICES : el en
  • US2168830A - Beach parasol anchor : en
  • US2168886A - Actuating means for typewriters and other mechanisms : en
  • US2168956A - Change speed gear for power vehicles : en
  • FR845101A - Process for manufacturing prismatic parts, in stretchable or laminable materials, comprising a metallic outer jacket and an inner core, and in particular of electrical conductors : en fr
  • US2168309A - Process for dehydrating an emulsion : en
  • US2168367A - Refrigerating apparatus : en
  • US2168856A - Automatic clutch mechanism : en
  • AT156664B - Method and device for the production of radiograms. : de en
  • US2169182A - Fastener : en
  • FR49820E - Scaffolding process for the construction of structures with curved walls : en fr
  • FR845041A - Transmission intended in particular for the control of self-propelled rail vehicles : en fr
  • FR845091A - Sandblasting apparatus for engraving bottles and other glass containers : en fr
  • GB511017A - Improvements in and relating to steam power plant : en
  • DE679749C - siren : de en
  • GB510762A - Improvements in or relating to snare drums : en
  • GB510970A - Improvements in the anti-friction metallising of bearings : en
  • GB510875A - Improvements in or relating to the production of films, coatings, fibres, and other shaped structures from aqueous compositions containing protein material : en
  • US2168537A - Refrigerating apparatus : en
  • US2168608A - Container and detachable pouring spout : en
  • GB510769A - Improvements in or relating to metal paste pigments : en
  • USD116115S - Design for a dress : en
  • GB510808A - Improvements in treating light sensitive photographic elements : en
  • CA383308A - Iron oxide pigment : en fr
  • GB510843A - Improvements in or relating to photoelectric cells : en
  • GB511168A - Process for producing smokeless coal briquettes : en
  • FR49819E - Electric hot plates and their manufacturing process : en fr
  • GB511164A - Improvements in or relating to sound record carriers : en
  • AU108130B2 - Improvements in and relating to liquid meters : en
  • US2169176A - Method of making separable fasteners : en
  • DE679583C - Theater chair, armchair and Like. With provided spaces in the chair frame : de en
  • CA383211A - Tunnel fan : en fr
  • AU321638A - Improvements in and relating to liquid meters : en
  • US2168423A - Keyboard locking means : en
  • US2168720A - Illuminating instrument dial : en
  • DE679568C - Process for decarburizing metals or alloys containing carbon, e.g. Ferrochrome : de en
  • US2168718A - Carburetor float valve : en
  • USD116116S - Design for a dress : en
  • DE679485C - Process for tanning skins with basic aluminum salts : de en
  • GB511148A - Improvements in rod couplings : en
  • US2168714A - Form clamp : en
  • US2169048A - Gasoline meter dial : en
  • USD116010S - Design for a combined lipstick case : en
  • DE679567C - Brush with one piece handle and bristle holder made of synthetic resin molding compound : de en
  • GB511019A - Improvements in or relating to percussion fuzes : en
  • FR845036A - Typewriter Improvements : en fr
  • US2168641A - Die mechanism : en
  • DE679608C - Ring binding consisting of several half rings : de en
  • FR845071A - Improvements to the manufacturing process of elements with asymmetric conductivity : en fr
  • AT156711B - Process for producing clichés. : de en
  • GB510953A - Improvements in and relating to autographic registers : en
  • US2168712A - Tongue protector : en
  • GR8437B - HYDRAULIC MOTION METHOD : el en
  • US2168392A - Play device : en
  • US2168569A - Microphone : en
  • US2168603A - Method of making zirconium oxide : en
  • US2168647A - Garment hanger : en
  • US2169037A - Pneumatic tire : en
  • DE679519C - Knocking device for suction hose filter : de en
  • DE679471C - Push button : de en
  • GB510932A - Rubberised belts : en
  • FR845114A - Holding device for agitated patients : en fr
  • GB511014A - Improvements in or relating to ultra high frequency electric and electro-magnetic wave transmission systems : en
  • FR844996A - Firearm and corresponding ammunition : en fr
  • FR845124A - Measuring device for direct or alternating current or voltage with a direct current instrument connected to a rectifier device : en fr
  • DE679577C - Frequency converter : de en
  • US2168351A - Adjustable magnetic-core inductor : en
  • US2169078A - Bronzing and the like : en
  • GB510906A - A machine for cancelling laundry marks and the like : en
  • FR845134A - Steering gear for motor vehicles : en fr
  • FR49817E - Device for electric heating of heaters for so-called non-frizzy or permanent waves : en fr
  • US2169005A - Shutter release for folding cameras : en
  • AU108112B2 - Improvements in water heaters : en
  • AU108117B2 - Improvements in and relating to radio direction finding systems : en
  • CA383186A - Railway car unloading and loading apparatus : en fr
  • US2168744A - Variable speed drive : en
  • US2168533A - Vehicle windshield : en
  • US2168677A - Locking device : en
  • AU366939A - Improvements in or relating tothe recovery of acrolein from raw reaction mixtures containing acrolein : en
  • FR845126A - Improvements in the manufacture of artificial viscose filaments : en fr
  • US2168802A - Loose leaf binder : en
  • US2169111A - Service entrance cable clamp : en
  • US2169001A - Camera shutter setting and film winding mechanism : en
  • DE679591C - Recoil amplifier : de en
  • FR844974A - Pressure device, in particular for lubrication operations : en fr
  • US2168907A - Water-closet seat : en
  • CA383184A - Shoe insole : en fr
  • US2168503A - Photographic enlargement device : en
  • US2168920A - Letter card : en
  • US2168375A - Chitin xanthate : en
  • US2169043A - Bypass valve : en
  • GB511178A - Improvements in and relating to rheostats and potentiometers : en
  • US2168632A - Feed mechanism for a machine tool : en
  • US2169097A - Dynamo-electric machine : en
  • AT156699B - Arrangement for the transmission of a large number of messages using different carrier frequencies. : de en
  • GB511024A - Improvements in or relating to combs : en
  • US2168451A - Support for sewing machine tables : en
  • US2168800A - Xsojna : en
  • AT156655B - AC bell. : de en
  • US2168553A - Refrigerator car : en
  • SE96487C1 - : en
  • US2169006A - Drain fitting : en
  • DE679656C - Method for connecting the armature conductors of an electrical machine with the flags of the commutator : de en
  • GB511161A - Process for the manufacture of metallic vapour discharge lamps : en
  • FR845149A - Improvements in steering mechanisms for vehicles : en fr
  • GB510790A - Improvements in steering gear : en
  • GB511044A - Improvements in or relating to silencers for steam safety valves : en
  • GB510850A - Improvements in and relating to toy revolvers : en
  • DE679479C - Blast furnace tank seal with rotatable filling funnel : de en
  • GB510896A - An improved process for the solvent extraction of hydrocarbon oils : en
  • FR845016A - Improvements in shoe making : en fr
  • GB511032A - Method for the control of proteolytic activity in the manufacture of baked goods : en
  • FR845132A - Grinding machine for internal threads : en fr
  • DE679556C - Floatable weir : de en
  • DE679753C - Metal pipe and extrusion press with electrical induction heating of the transducer : de en
  • US2168678A - Ice tray : en
  • US2168947A - Dyestuffs of the anthraquinone series : en
  • GB510979A - Improvements in or relating to grinding machines, lathes and like machine tools : en
  • GB511028A - Ornamental vase : en
  • GB511133A - Improvements in or relating to automatic firearms : en
  • DE679388C - Process for the preparation of coumarin-3-carboxylic acid alkylamides : de en
  • GB511039A - Improvements relating to colour photography : en
  • CA383193A - Trimmer saw mechanism : en fr
  • US2168642A - Replaceable hair clipping blade set : en
  • US2169036A - Material working apparatus : en
  • US2168771A - Intermittent feed device : en
  • FR845058A - Doll Eyes Making and Mounting System : en fr
  • GB510851A - Improvements in holders for diamond tools : en
  • GB576555A - Improvements in wireless direction finding receivers : en
  • DE679500C - Welding pipe connection : de en
  • DE679538C - Process for the production of a product influencing oral and jaw diseases : de en
  • FR844975A - Apparatus for closing the lids of metal containers such as cans, jars, and the like, closing by simple pressure : en fr
  • FR845057A - Automatic machine sorting objects according to their weight : en fr
  • DE679616C - Electric cable in which flexible elements consisting of interconnected pieces of insulation are wound or stranded around the individual conductors to form their insulation : de en
  • FR49832E - Speed governors for turbines and other engines : en fr
  • GB510989A - Improvements in or relating to envelopes or the like : en
  • GB510820A - Improvements in or relating to gas producers : en
  • US2168666A - Process for treating mineral oils : en
  • CA383217A - Gear shifting mechanism : en fr
  • GB510909A - Improvements in and relating to chimney cowls : en
  • GB510921A - Improvements in and relating to the manufacture of sliding clasp fasteners : en
  • AT156667B - Arrangement for adapting a power line with wide frequency bands. : de en
  • US2168605A - Attachment for internal combustion engines : en
  • GB511153A - Novel or improved means for controlling the operation of brakes on aircraft : en
  • US2168909A - Producing etched surfaces on aluminum : en
  • USD116050S - Design tor a fur collar : en
  • USD116090S - Design for a brooch or similar : en
  • US2169040A - Loop antenna : en
  • DE679612C - Paper guiding device on writing, calculating and similar machines : de en
  • DE679603C - Tie : de en
  • US2169011A - Motion picture apparatus : en
  • US2169056A - Method of adapting sheet metal for screws : en
  • AU108116B2 - Improvements in and relating to radio direction finding systems : en
  • US2168804A - Combination toilet article : en
  • US2169146A - Vulcanizing mold and other presses : en
  • CA383285A - Lidded can : en fr
  • US2168667A - Control device for change-speed gears : en
  • US2168689A - Dental cleaning compact : en
  • US2168775A - Method of making web material : en
  • AU318138A - Deodorant and toilet container : en
  • US2168723A - Advertising display mechanism : en
  • DE679548C - Rear derailleur for coin counter with basic fee collection : de en
  • USD116006S - Design for a lady s handbag ob sim : en
  • CA383306A - Combustion apparatus : en fr
  • US2168993A - Expanding device for tubular envelopes : en
  • AU21439A - Improvements in and relating to radio direction finding systems : en
  • US2168511A - Cash register : en
  • US2168498A - Welt shoe and method of making the same : en
  • US2168820A - Roller skate : en
  • AT156739B - Air-cooled star cylinder engine with cooling fan, in particular for motor vehicles. : de en
  • CA383224A - Circuit breaker : en fr
  • GB510787A - Improvements relating to electric circuits including transformers, chokes or the like : en
  • US2168317A - Packing material : en
  • US2168972A - Method of removing air bubbles from film dope : en
  • US2169144A - Combined cage and feeder structure for poultry : en
  • US2168878A - Catalytic hydrogenation of the keto group of calcium 5-ketogluconate and product : en
  • AU108105B2 - Improved construction of walls of houses : en
  • AT156677B - Device for the repeated amplification of photoelectric currents. : de en
  • AU37638A - Improvements in and relating tothe dispensing of sweetened carbonated liquids, beer andthe like from bulk : en
  • CA383241A - Explosive : en fr
  • DE1471201U - : de en
  • DE679590C - Device for copying individual color separations together : de en
  • AT156700B - Outer garment with ventilation slots. : de en
  • AU108307B2 - Improvements in or relating to modulating or demodulating arrangements for use in carrier-wave signalling systems : en
  • CA383170A - Garden tool : en fr
  • DE679676C - Flat bag machine : de en
  • DK56527C - Encapsulation tool. : da en
  • USD116036S - Design for a toy wagon : en
  • CA383159A - Higher olefine hydration : en fr
  • CA383237A - Container for viscous liquids : en fr
  • CA383248A - Phthalocyanine series dyestuff production : en fr
  • AU460438A - Improvements in or relating to sandals : en
  • US2168883A - Secretarial answering system : en
  • DE679677C - Process for producing a printing form for printing sound recordings : de en
  • US2168764A - Blow-out preventer : en
  • FR49825E - Device for lifting a seaplane : en fr
  • IE15757L - Sulpho-carboxylic ester salts : en
  • CA383261A - Vehicle wheel : en fr
  • US2168321A - Receptacle and closure cap therefor : en
  • US2168450A - Electrical vaporizer : en
  • US2168910A - School desk : en
  • US2169007A - Method of making hard metal bodies : en
  • AT156705B - Device and method for the X-ray production of images of body sections and body layers. : de en
  • CA383201A - Electric relay : en fr
  • CA383257A - Screw and washer assembling machine : en fr
  • USD116040S - Design foe : en
  • GB511029A - Improvements in barrels, casks, kegs and like containers : en
  • GR8422B - SHIP INSULTABLE FROM BOMBS AND TORPTOLES. : el en
  • CA383177A - Compression stop and drain valve : en fr
  • US2168793A - Graph construction : en
  • FR845038A - Sheets or films, in particular of cellulose derivatives : en fr
  • CA383296A - Fastening-inserting machine : en fr
  • FR845043A - Method and machine for cutting and beading the teeth of cylindrical thread milling cutters having helical grooves : en fr
  • US2169114A - Book gluing machine : en
  • AU108168B2 - Improvements in cartons for granular and like materials : en
  • AT156695B - Photoelectric light meter. : de en
  • DE679690C - Self-starting synchronous small motor : de en
  • DK56508C - Emulsifier. : da en
  • FR845094A - Improvements to lag and carriage tables, for drills and other machine tools : en fr
  • DE679652C - Mobile device for transporting, laying and retrieving electrical cables and lines : de en
  • DK56520C - Cooling device at the Drive Wheels for Steam or Combustion Turbines. : da en
  • US2168835A - Variable-speed pulley for v-belt drives : en
  • USD116066S - Fingernail polish brush : en
  • FR845018A - Magnetic separator : en fr
  • DE679488C - Hat sweatband : de en
  • DE679527C - Magnetic receiving system for telegraph receivers : de en
  • US2168648A - Brake : en
  • US2168354A - Ornamental grille and fender guard : en
  • FR49813E - Process for obtaining color printed pages from newspapers printed on rotary machines : en fr
  • FR844954A - New type of card for punched card accounting and statistics machines, which can be used twice : en fr
  • FR845125A - Process for preparing a carbonic acid absorbing chemical : en fr
  • GB510886A - Improvements in or relating to objective mountings for photographic and cinematographic apparatus : en
  • FR49802E - Progressive shifting, giving at the same time forward and reverse gears and neutral : en fr
  • GR8416B - AUTOGRAPHER METER - DENSITY METER : el en
  • USD116011S - Design for a display stand : en
  • US2168350A - Torque converting and transmitting mechanism : en
  • US2168580A - Snap switch for coffee roasters : en
  • FR49835E - New voltaic anode : en fr
  • GB511053A - Improvements in and relating to domestic and like sinks : en
  • US2169015A - Auxiliary electrode : en
  • GB511348A - Method of and apparatus for producing slag wool, rock wool, and the like : en
  • CA383182A - Rock drill : en fr
  • CA383321A - Electrical impedance network : en fr
  • FR844968A - Advanced training in driving axles of electric motor vehicles : en fr
  • GB511002A - Oil burner particularly for cooking stoves : en
  • US2168490A - Ring : en
  • US2168520A - Rack for freezing fish : en
  • DE679526C - Steam trap : de en
  • FR844963A - Device for limiting the light rays falling on a photosensitive cell and intended in particular for photoelectric light meters : en fr
  • FR844991A - Adjustment device for electric generators charging an electric accumulator, intended for installations on vehicles, in particular for motor vehicles : en fr
  • US2169112A - Hermetically sealed vessel : en
  • FR845031A - Device for indicating the degree of compensation in compensation and bridge assemblies supplied by alternating current, using a cathode ray oscillograph : en fr
  • DK56516C - Mechanism for Lifting the Machine-bearing Machine Frame in Agricultural Machinery, in particular Potato and Beet Harvesters. : da en
  • GB510892A - Automatic speed control device for motor vehicles : en
  • GB511048A - Improvements in or relating to television and like systems : en
  • FR845022A - Supply installation of a carburetor : en fr
  • GB510791A - Improvements in and relating to automatic lathes : en
  • GB510878A - Improvements in drawing instruments : en
  • DE679578C - Device for the automatic regulation of the distribution of the heating gas flow over the lattice works of heat storage tanks : de en
  • GB510910A - Improvements in or relating to statistical card punching machines : en
  • GB511001A - Improvements in or relating to railway rail joints : en
  • FR844994A - 1-Amino-2-naphthol-sulfo-3-carboxylic acid, corresponding 2-naphthol-sulfo-3-carboxylic acid and process for the manufacture of these acids : en fr
  • DE679630C - Farm equipment : de en
  • GB510908A - Improvements in bolts for fastening doors, windows and the like : en
  • DE679508C - Attachment of insert runs in shot runs : de en
  • GB511197A - Improvements in or relating to coiling apparatus, more particularly for extruded wire or rod : en
  • CA383254A - Rolling mill : en fr
  • CA383278A - Television system : en fr
  • US2169095A - Combined display stand and filing rack : en
  • GB510836A - Tanning apparatus : en
  • GB510864A - Improvements in or relating to tappets for internal combustion engines : en
  • US2168941A - Film guide : en
  • CA383305A - Asymmetrical conductor : en fr
  • CA383207A - Universal joint : en fr
  • AU318638A - A combined flexible or rigid fan rake : en
  • AU108119B2 - Improvements relating to pneumatically operated sheep clippers : en
  • US2168529A - Gramophone for playing records of an endless film : en
  • DE679505C - Windows for gas masks : de en
  • US2168897A - Tire building drum : en
  • US2168931A - Foundation garment : en
  • GB510883A - Improvements in or relating to compressors : en
  • GB510957A - Improvements in tensioning devices for transmission chains : en
  • CA383266A - Thermionic valve : en fr
  • AT156652B - Electrical safety device. : de en
  • GB510810A - Improvements in and relating to jointing metal parts : en
  • GB510867A - Improvements in or relating to systems for the measurement or regulation of the height of a liquid column : en
  • FR845023A - Folding camera : en fr
  • US2168690A - Air control device : en
  • US2169188A - Copper base alloy : en
  • AT156725B - Conveyor device for paper webs in air dryers. : de en
  • US2168523A - Process for treating seeds : en
  • US2168988A - Adjustable tripod head : en
  • GB510936A - New process for the manufacture of 1-4-5-8-tetra-aminoanthraquinone : en
  • US2168556A - Refrigerator car : en
  • US2168609A - Container and detachable spout : en
  • US2168316A - Distillation and fractionation process and apparatus : en
  • GB510731A - Improvements relating to hair or like brushes : en
  • GB510750A - Improvements in and relating to the reproduction of recorded sound : en
  • USD116052S - Design for an elevated tank : en
  • US2168438A - Refrigerant circulation : en
  • DE679521C - Process for the production of seed plants particularly suitable for feed purposes without soil : de en
  • FR844995A - Rubber Printing Plate Polishing and Priming Machine : en fr
  • CA383317A - Winding mechanism stop motion : en fr
  • US2169000A - Film wind for folding cameras : en
  • US2168691A - Gasoline refining : en
  • FR845015A - Improvements to electric motors : en fr
  • GB510978A - Improvements in prepayment mechanism for meters : en
  • AU313138A - Improvements in radio aerials : en
  • US2168803A - Method and apparatus for manufacturing wallboard : en
  • US2169147A - Unhairing of hides and skins : en
  • US2168757A - Cable plug in sleeves : en
  • US2169041A - Pneumatic tire : en
  • CA383240A - Cast resin : en fr
  • CA383275A - Electrical wave producing apparatus : en fr
  • US2169164A - Garment having closed neck opening : en
  • USD116081S - Design for a pin clip : en
  • DE679432C - Periodic absorption refrigeration machine : de en
  • GB510855A - Improvements in hydraulic shock absorbers : en
  • GB511134A - Process for colour photography : en
  • US2169098A - Method for soft soldering alloys containing aluminum : en
  • USD116121S - Design for a dress : en
  • USRE21171E - Tire and tool carrying compart : en
  • AT156679B - Compressed air switch, especially for higher voltages. : de en
  • GB510893A - Improvements relating to dental crowns : en
  • FR845066A - Improvements in the making of hoof bridles : en fr
  • FR845145A - Cooling devices for air-cooled aircraft engines : en fr
  • US2168753A - Tool for refacing valve seats : en
  • US2168644A - Target indicating game : en
  • US2168436A - Chassis frame for vehicles : en
  • US2168950A - Brake shoe adjuster : en
  • USD116018S - Design fob a scribing tool : en
  • US2168768A - Television method : en
  • DE679532C - Arrangement for measuring the frequency of synchronized breakover vibrations and the quantities that are lawfully related to this frequency : de en
  • US2168850A - Reciprocating ram pump : en
  • USD116046S - Design for a heater : en
  • US2168658A - Power transmission pump or motor : en
  • US2168502A - Internal combustion engine : en
  • US2168420A - Loom : en
  • AT156662B - Device for x-ray examinations, especially for observing surgical interventions. : de en
  • US2168796A - Railway switch operating apparatus : en
  • US2169017A - Damper winding for high speed salient-pole machines : en
  • US2168968A - Web coating apparatus : en
  • US2168646A - Brake : en
  • US2168782A - Electron discharge device circuit : en
  • US2169140A - Fabric take-up device for flat knitting machines : en
  • AU108097B2 - Method of printing and decorating felt base floor coverings : en
  • US2168651A - Packaging process and medium : en
  • GB510848A - Shearing mechanism for cutting continuously-advancing metal : en
  • US2168746A - Method and apparatus for lubrication : en
  • USD116091S - Design fob a bracelet : en
  • DE679607C - Process for the production of flooring materials : de en
  • FR845100A - Processes and devices for the purification of hydrocarbons : en fr
  • US2168485A - Method and means for relatively positioning soles and shoes : en
  • US2169156A - Oil and gas separator : en
  • GB510995A - Method of manufacturing two-part collapsible vessels : en
  • AU366238A - Improvement in cathode-ray signal-generating tubes : en
  • US2168730A - Pot or pan lifting implement : en
  • USD116038S - Design for : en
  • FR845020A - Process for the bleaching and purification of fats or bodies containing fats : en fr
  • GB511167A - Improvements in picture-transmitting devices : en
  • AU470938A - Improved process and apparatus for hot air drying and mixing powdered material : en
  • CA383249A - Reguline beryllium : en fr
  • CA383214A - Non-refillable bottle : en fr
  • CA383228A - Gas compressor valve : en fr
  • CA383295A - Aircraft propeller : en fr
  • US2168413A - Electric switch : en
  • DE679735C - Flash lamps, in particular for photographic purposes : de en
  • USD116057S - Design for a fur collar : en
  • CA383328A - Television receiver : en fr
  • GR8420B - RIPID TYPE : el en
  • GB510766A - Permanent magnets and process for the production thereof : en
  • GB510818A - Improvements in sources of light for projection apparatus : en
  • CA383220A - Circuit breaker : en fr
  • CA383268A - Sylvinite ore processing : en fr
  • US2169027A - Discharge protective system : en
  • AT156686B - Free-floating young cattle drinker. : de en
  • AT156704B - Rail contact device. : de en
  • AT156692B - Chin rest and associated tailpiece for stringed instruments. : de en
  • US2168885A - Grade indicator : en
  • US2168504A - Coin holder : en
  • US2168937A - Unitary flow reversing pump and control valve : en
  • US2168326A - Automatic tuning system and apparatus : en
  • US2168610A - Method of treating hydrocarbon oils : en
  • US2168664A - Road-grading device : en
  • AT156749B - Process for the distortion-free transmission of characters via electron tubes in carrier current telegraph systems. : de en
  • AU108113B2 - An improved device for minimising the effect of arcing on opening electrical contacts : en
  • AU322338A - Distortion correction in wave transmission : en
  • US2168927A - Prime mover regulation : en
  • GB510735A - Improvements in centrifugal dressing machines for flour or meal : en
  • USD116124S - Design fob a dress ensemble : en
  • US2168758A - Heater : en
  • US2168955A - Shingle : en
  • USD116005S - Design fok a fen and pencil clip : en
  • US2168946A - Tie clip : en
  • DE679472C - Process for the production of flooring materials : de en
  • DE679736C - Flash lamp : de en
  • US2168681A - Method and apparatus for separating materials : en
  • AT156688B - Bicycle convertible into a trolley. : de en
  • FR844989A - Process for the production of hydrogen peroxide : en fr
  • FR845055A - Method and apparatus for separating garlic from grains of cereals in the mill : en fr
  • DE679604C - Carrying conveyor : de en
  • US2168981A - Phenolic resin molding composition : en
  • US2169191A - Cotter pin : en
  • US2168869A - Knitting machine : en
  • GB510917A - Improvements in or relating to electric condensers : en
  • CA383323A - Cyanide production : en fr
  • DE679635C - Long-front mining process for powerful coal layers : de en
  • DK56522C - Valve for built-in Central heating pipes. : da en
  • FR845021A - Electrical connection device : en fr
  • CA383173A - Electrical switching device : en fr
  • USD116080S - Design for a radio antenna or the : en
  • US2168448A - Typewriting machine : en
  • FR845086A - Method and device for the heat treatment of metallic objects : en fr
  • FR844976A - Handle for kitchen utensils and the like : en fr
  • FR844997A - Tile deburring machine : en fr
  • FR845147A - Dental prosthesis device : en fr
  • DE679599C - Device for measuring rays, in particular X-rays : de en
  • GB511185A - Improvements in or relating to electrodes for electric discharge tubes : en
  • GB510847A - Improvements in or relating to pedestal desks : en
  • DE679681C - Method for determining the critical aircraft speed in the static vibration test : de en
  • FR845027A - Automatic rotating flow switchgear control device : en fr
  • GR8418B - AUTOMATIC TELEPHONE CONVERSATION RECORDING DEVICE ATTACHED TO THE AUTOMATIC PHONE AND WITHOUT ADDITIONAL CONDUCT : el en
  • GB510915A - Improvements in and relating to typographical composing machines : en
  • GB510832A - Improved methods of and apparatus for separating solids from a dispersion thereof in a liquid and for producing a web of material from such a dispersion : en
  • DE679797C - Gear change transmission : de en
  • GB510894A - Combined vehicle chassis frame and body floor structure : en
  • GB511174A - Improvements relating to electric cables : en
  • FR845150A - Gas dedusting device : en fr
  • GB510872A - Improvements in travelling or transportable kitchens or cooking or bread baking apparatus : en
  • FR844956A - Modulated carrier wave reception system : en fr
  • GB510854A - Improvements in the manufacture and production of nitric acid esters of monoacyl glycerines : en
  • US2168895A - Creped paper and method of making same : en
  • US2169087A - Electric cut-out : en
  • FR845060A - Tube for plastic fluids : en fr
  • GB510754A - An improved teething device : en
  • GB510951A - Improvements in impulse senders of the type used in telephone systems : en
  • DE679547C - Device for monitoring gases for their solid constituent content, in particular smoke development from combustion processes : de en
  • GB511021A - Improvements in or relating to shaft couplings : en
  • GB510773A - Improvements in cases or containers for spectacles or other articles having polishedsurfaces : en
  • GB511171A - Improvements in or relating to command appliances, particularly for air defence artillery : en
  • FR845121A - Oscillator refinements : en fr
  • GB511157A - Process for the manufacture of beryllium oxide : en
  • FR845010A - Teleprinter devices : en fr
  • GB511037A - Improvements in balancing and compensating arrangements for two-phase installations : en
  • US2168739A - Ice tray : en
  • GB510943A - Improvements in and relating to indicators : en
  • AU108114B2 - Improved process and apparatus for hot air drying and mixing powdered material : en
  • DE679081C - Device for the operation of X-ray tubes, in which the X-ray tube is fed by a condenser : de en
  • DE679540C - Method and device for manufacturing glass tubes or glass cylinders : de en
  • FR845087A - High secondary electron emission cathodes : en fr
  • DE679692C - Electric high pressure metal vapor lamp with fixed electrodes that glow when in operation : de en
  • US2168823A - Dry shaver : en
  • US2168991A - Wedge for concrete tie rods : en
  • FR845037A - Improvements to auxiliary optical systems for photographic lenses : en fr
  • GB510996A - Improvements in and relating to motor vehicle bodies : en
  • FR845051A - Process for obtaining, by the transformation of hydrocarbons or the like, vulcanizable plastic products and products obtained by this process : en fr
  • US2169081A - Process for the treatment of meat and the product thereof : en
  • DE679631C - Security device against theft of motor vehicles : de en
  • US2168519A - Machine for assorting cylindrical articles by diameter : en
  • US2168483A - Photographic shutter : en
  • DE679555C - Closed centrifugal machine : de en
  • US2168407A - Apparatus for etching plates : en
  • US2168456A - Apparatus for drying warps of textiles : en
  • US2168639A - Rabbit feeder : en
  • US2168828A - Starting means for free piston motor compressors : en
  • FR845068A - Improvements made to internal combustion engine power systems : en fr
  • GB511182A - Process and device for the manufacture of pressed electrodes for arc welding : en
  • DE679742C - Device on photographic cameras for attaching attachment elements by means of a double bayonet : de en
  • CA383291A - Thermometer : en fr
  • FR49834E - Segment with elastic expander for pistons and other applications : en fr
  • GB510837A - Improvements in conveyors : en
  • FR845118A - Process for preparing decaffeinated coffee and decaffeinated tea : en fr
  • GB510825A - Improvements in and relating to collapsible food covers : en
  • GB510834A - Improvements in and relating to oven doors : en
  • DE679506C - Coupling device for automatically controlled by pressure fluid gear change gear, especially of motor vehicles : de en
  • US2168573A - Inhaler : en
  • GB510999A - Means for the opening and closing of the outer covers of bicycle tyres : en
  • GB510968A - Improvements in or relating to boxes or containers : en
  • GB510738A - Improvements in and relating to saddles and pillion seats for motor cycles : en
  • FR845103A - Process for preparing a product for increasing the density of the coal preparation liquid, or similar products, by flotation and sedimentation : en fr
  • GB510741A - Improvements in and relating to flexible sliding shutters or closures such as for gun turrets on aircraft : en
  • FR845123A - Strip rolling mill : en fr
  • US2168760A - Cathode ray device : en
  • US2168967A - Denture : en
  • US2168952A - Voltage regulator : en
  • CA383325A - Television system : en fr
  • DE679699C - Axle-pivot steering for the wheels of a trailer, the leaf springs of which each have a fixed pivot point : de en
  • FR845067A - Headlight with upper cap visible from the side : en fr
  • US2168797A - Method of and apparatus for roasting and brewing coffee : en
  • FR49844E - Improvements to gyroscopic horizons allowing the reading of strong longitudinal inclinations : en fr
  • USD116092S - Design for an industrial tractor : en
  • US2168595A - Refrigerator car floor rack : en
  • US2168951A - Flexible service tube or hose housing : en
  • US2168613A - Printing press paper protector : en
  • US2168809A - Piezoelectric device : en
  • US2168751A - Paper box machine : en
  • CA383171A - Animal trap chain spring device : en fr
  • CA383234A - Sealed hollow glass article forming apparatus : en fr
  • DE679632C - Device for remote display of the deviation of a frequency from another constant frequency : de en
  • DK56523C - Paper Esterification Procedure. : da en
  • FR845135A - Process for the separation of constituent elements of alloys or mixtures of metals : en fr
  • US2168859A - Liquid-fuel-burning apparatus : en
  • US2169185A - Lubricating oils : en
  • AU113633B2 - Play balls and their process of manufacture : en
  • DE679688C - Telegraph relay : de en
  • US2168479A - Soaking machine : en
  • CA383210A - Heat exchanger : en fr
  • US2168343A - Lubricating means for thrust bearings : en
  • US2168402A - Pulsating electrical control system : en
  • CA383176A - Vehicle wheel suspension : en fr
  • CA383192A - Horse shoe pad : en fr
  • GB511183A - Improvements in or relating to a method and apparatus for casting ingots : en
  • US2168789A - Process of preparing glucosides having an action on the heart obtained from oleanderleaves : en
  • GB510981A - Improvements in or relating to methods of and devices for exchanging full bobbins or cop tubes for empty bobbins or cop tubes in yarn winding machines : en
  • USRE21172E - Continuous conveyer : en
  • AU108111B2 - Distortion correction in wave transmission : en
  • CA383158A - Skating footwear : en fr
  • DE679533C - Arrangement for measuring the respective value of the power factor by means of a switchable electrical measuring device : de en
  • GB510962A - Improvements relating to automatic change giving machines : en
  • DE679682C - Braking device for car trains : de en
  • GB510897A - Improvements relating to radio receivers : en
  • US2168524A - Method of treating starch : en
  • US2169199A - Dull finish cellulose derivative coating : en
  • GB511160A - Improvements in or relating to the manufacture of artificial textile fibres : en
  • DE679575C - One-piece spacer clip made of insulating material, in which the cable is clamped between the clip body and two screws : de en
  • GB511147A - Improvements relating to the coiling of hair tresses upon curler rods : en
  • DE679495C - Heat probes : de en
  • DE679710C - Process for the production of condensation products : de en
  • DE679517C - Wing for helical fan or blower : de en
  • DE679516C - Production of trickling, non-baking luminophores : de en
  • FR844958A - Improvements with cutting oils or other compounds facilitating the machining of metals : en fr
  • GB510982A - Improvements in the protection of electrical plant and apparatus from lightning flashes and/or from electrical disturbances caused by lightning flashes : en
  • US2168633A - Contour turning attachment : en
  • US2169025A - Method of producing corrugated cases : en
  • DE679774C - Amplifier circuit with power distribution control and push-pull output using a tube : de en
  • DE679557C - Installation on steel sheet piles with drainage openings to eliminate the hydrostatic overpressure in the backfill floor of pile piles : de en
  • USD116037S - Design for a folding bench or similar : en
  • US2169192A - Hydrocarbons from vacuum distillation of fish oil : en
  • FR845138A - Device for filling with powdered material and under the action of centrifugal force, a compression mold or the like : en fr
  • US2168417A - Head-bar bracket for venetian blinds : en
  • US2168623A - Apparatus for the production of music : en
  • US2169029A - Protective relay system for synchronous machines : en
  • GB510948A - Improvements in or relating to the manufacture of wire fabric : en
  • GB511169A - Improvements relating to processed sausages : en
  • AU41739A - Means for testing the proportions of concrete : en
  • CA383231A - Paper pulp manufacture : en fr
  • AT156707B - Process for the manufacture of selenium rectifiers. : de en
  • CA383260A - Electric relay : en fr
  • FR845105A - Mobile frame frame for vertical filing of documents : en fr
  • US2169203A - Stocking : en
  • GB511149A - Method of and apparatus for producing slag wool, rock wool and the like : en
  • GB511018A - Process of removing silica from minerals, slags, and similar materials : en
  • GB511170A - Improvements relating to the refining of hydrocarbon oils : en
  • GB510786A - Improvements relating to the burning of cement and the sintering of similar raw materials : en
  • GB510987A - Improvements in or relating to supply circuits for luminous electric discharge lampsand tubes : en
  • DE679553C - Filling device for hot cell holder : de en
  • USD116035S - Design for a bowling alley : en
  • DE679467C - Turpentine substitute : de en
  • US2168467A - Phonorhythm process and apparatus for carrying it out : en
  • US2168381A - Lead manufacture : en
  • US2169133A - Ice cube making machine : en
  • US2168444A - Process of producing printing plates : en
  • US2168454A - Sparking paper rupture toy weapon : en
  • USRE21173E - Spike for golf shoes : en
  • GB511049A - Method of and apparatus for intaglio printing in one or more colours : en
  • GB511013A - Improvements in or relating to continuous-rod cigarette-making machines : en
  • US2169149A - Double-acting wind turbine : en
  • GB511055A - An improved radial-stream purifying canister for submarine and anti-gas autorespirators : en
  • US2168409A - Method of assembling receptacle closure caps : en
  • US2168628A - Time system : en
  • US2168665A - Corn popper : en
  • US2169046A - Electron tube : en
  • DE679748C - Process for the production of long sausage casings : de en
  • US2168794A - Mining chain cutter : en
  • US2168400A - Method of separating blanks from sheet material : en
  • US2168812A - Hand tool : en
  • GB510934A - Improved method of separating phenols from aqueous alkaline liquors containing same : en
  • GB510956A - Improvements in and relating to electric lamp bulbs : en
  • US2168372A - Centrifugal governor : en
  • US2168552A - Automatic liquid vender : en
  • US2168841A - Gas filler valve : en
  • US2168925A - Joint in concrete slabs or pavements : en
  • AU108102B2 - Improvements in or relating to regulating nozzles for liquid fuel burners : en
  • DE679606C - Process for mercerizing : de en
  • DE679512C - Conveyors, in particular for conveying goods in ceramic manufacturing plants : de en
  • GB510858A - Improvements in or relating to combined washing and wringing machines : en
  • US2168774A - Solenoid valve : en
  • AU26039A - Method and apparatus for preparing cement making materials : en
  • CA383161A - Air cooled engine : en fr
  • DE679534C - Process for the treatment of hydrocarbons : de en
  • DE679550C - Piercer : de en
  • US2169106A - Lubricating device : en
  • FR845142A - Base circuit breaker system : en fr
  • GB511035A - Improvements in brakes : en
  • GB510889A - Improvements in and relating to the production of nitrous oxide : en
  • DE679698C - Process for coloring zinc and zinc alloys : de en
  • US2168415A - Cutting machine : en
  • US2168918A - Cigarette case : en
  • US2169020A - Process of making resistor elements : en
  • US2168308A - Testing perception of space : en
  • US2168560A - Process and apparatus for the manufacture of paper : en
  • US2168949A - Stratiform structure impervious to liquids : en
  • US2168958A - Throttle controls for internal combustion engines : en
  • GB510928A - A carrying or hanging device for vacuum cleaner accessories : en
  • US2169150A - Regulating apparatus : en
  • US2169183A - Service stall : en
  • US2168322A - Change speed mechanism for bicycles : en
  • US2168770A - Cleaning machine : en
  • US2168829A - Free piston machine : en
  • US2169108A - Electric cable : en
  • AT156714B - Electric lamp. : de en
  • CA383287A - Therapeutically active amidine manufacture : en fr
  • US2168566A - Television system : en
  • US2168649A - Invalid bed accessory : en
  • US2168715A - Servo-clutch : en
  • US2168861A - Stroboscopic lamp : en
  • US2168312A - Method for producing phosphorus : en
  • US2168811A - Awning : en
  • DE679722C - Manufacture of zinc sulfide : de en
  • GB510746A - Improvements relating to the treatment of water : en
  • GB510890A - Improvements in mechanically propelled hammers : en
  • DE679510C - Device for applying gold leaf tinsel by means of a gold ribbon wrap roll : de en
  • US2168708A - Carcass tongue protector : en
  • FR845144A - heat exchangers : en fr
  • US2168604A - Electric broiler : en
  • US2168814A - Reduction gear : en
  • US2168818A - Fluid packing : en
  • AT156706B - Converter tube with mercury cathode and a metal body for anchoring the cathode spot. : de en
  • US2168549A - Core fin binder strip : en
  • US2168734A - Stopper for bottles, jars, and similar containers : en
  • US2168977A - View finder for folding cameras : en
  • US2168455A - Creeper : en
  • DK56515C - Vending machine. : da en
  • FR49850E - Automatic engine synchronization device applicable in particular to airplanes : en fr
  • CA383187A - Sawing machine device : en fr
  • FR845029A - Tuber plant harvester ensuring the collection of tubers by separating them from the other ingredients : en fr
  • DE679663C - Cabinet for hanging drawings, plans or the like. : de en
  • GR8425B - ARMED DOME : el en
  • DK56526C - Electric Stop Signal Light for Bicycles. : da en
  • FR845139A - Improvements to antennas for radio electricity : en fr
  • GB511186A - Method of producing purified toxiferine, the active principle of calabash-curare : en
  • US2168579A - Device for cutting and packing comb honey : en
  • US2168674A - Lubricant : en
  • US2169054A - Liquid treating apparatus : en
  • DE679530C - Slotted clamp with grub screw, sheet metal insert and removable insulating jacket for connecting electrical lines : de en
  • FR845104A - Improvements to electric motor collectors : en fr
  • FR844978A - Process for the destruction of mollusks: groupers, slugs, etc. : en fr
  • FR49815E - Medical cup holder device for gas masks : en fr
  • US2168463A - Sheave device for derricks : en
  • US2168759A - Rod coupling : en
  • US2168824A - Typewriter with type wheel and normal keyboard : en
  • US2168964A - Tooth brush : en
  • US2168377A - Punching and stripping mechanism for presses : en
  • US2168530A - Method of and means for making dentures : en
  • GB510796A - Improvements in and relating to rheostats and potentiometers : en
  • GB511145A - Improvements in and relating to electric voltage regulators : en
  • CA383199A - Fruit picker : en fr
  • CA383185A - Electric range : en fr
  • US2169173A - Process of sealing collapsible tubes : en
  • US2169080A - Supporting harness for pails : en
  • GB511107A - Improvements in and relating to stuffing boxes for compressors : en
  • US2168884A - Yarn-feeding means : en
  • US2168419A - Conveyer : en
  • US2168434A - Machine operating on record cards : en
  • AU367039A - Improvements in and relating tothe manufacture of electric discharge vessels : en
  • US2168999A - Thermostatic construction : en
  • US2168965A - Recording device : en
  • CA383197A - Inflammable gas indicator : en fr
  • DE679504C - Gas protective mask with an arrangement of the eye windows that enables the use of optical instruments : de en
  • GB510782A - Improvements in or relating to individual axle drive for rail vehicles : en
  • DE679498C - Pesticides : de en
  • DE675034C - Protection against unintentional loosening of detachable, tight pipe screw connections : de en
  • DE679522C - Process for the production of cement : de en
  • FR845008A - Expansion and leakage compensating device for hydraulic transmissions : en fr
  • AT156733B - Storage, especially of small machines, in a housing. : de en
  • DK56521C - Connecting lock for a bowden pull. : da en
  • CA383175A - Hair trimmer : en fr
  • CA383262A - Vehicle wheel : en fr
  • DE679492C - Photoelectric arrangement for scanning sound tracks recorded in push-pull mode : de en
  • US2168396A - Lubricating apparatus : en
  • US2168561A - Treating molten iron and steel with addition agents : en
  • US2168366A - Porous tube for storage battery electrodes : en
  • US2168393A - Hay carrier : en
  • US2168618A - Nonrub fur coat edge protector : en
  • US2168630A - Vehicle : en
  • US2169162A - Azo dyestuffs and process for the manufacture thereof : en
  • US2168509A - Ampoule sealing apparatus : en
  • US2168962A - Garment sacker : en
  • US2169206A - Windshield and window cleaner : en
  • USD116101S - Design fob a textile fabric ob : en
  • US2168908A - Automobile safety bumper : en
  • US2169205A - Camera-bellows-forming machine : en
  • FR845143A - Blood irradiation device : en fr
  • GB510846A - Improvements in and relating to leading-in conductors for electric discharge devices : en
  • CA383269A - Ore concentration process : en fr
  • US2168546A - Method of preparing dentures : en
  • US2168626A - Glue treatment : en
  • USPP337P - Rose plant : en
  • US2168307A - Control device : en
  • US2168843A - Lens grinding and polishing machine : en
  • CA383292A - Line casting and composing machine : en fr
  • FR49845E - Automatic keypad for setting t.s.f. : en fr
  • AU114716B2 - Improvements in apparatus for receiving television and like signals accompanied by sound : en
  • CA383196A - Ventilator for toilet bowls : en fr
  • CA383316A - Yarn and fabric : en fr
  • US2168940A - Drafting machine : en
  • USD116008S - Design fok a combination drawing : en
  • GB510971A - Improvements in or relating to portable stirring or mixing appliances : en
  • CA383212A - Locomotive coupler : en fr
  • US2169113A - Hydraulic bending press : en
  • CA383286A - Therapeutically active amidine manufacture : en fr
  • US2168493A - Oil ejector : en
  • US2169014A - Food mixer : en
  • AU514937A - Improvements in or relating to electron discharge device oscillators : en
  • US2168722A - Process for the production of predigested vegetable foodstuff for animals : en
  • USD116060S - Design for a plate or similar article : en
  • AT156665B - Arrangement for suppressing the image frequency in heterodyne receivers. : de en
  • GB510961A - Improvements in or relating to the polymerisation of esters and nitriles of acrylic and methacrylic acids : en
  • FR845131A - Improvements to measuring devices for coal and similar materials in grains or powder : en fr
  • US2168535A - Textile material and a process of preparing it : en
  • AT156669B - Device to avoid the formation of creepage paths in iron troughs for accumulator batteries. : de en
  • CA383190A - Steel hatch cover joint : en fr
  • DE678629C - Servo brake operated by air or fluid pressure : de en
  • DE679706C - Powder broom : de en
  • GB511138A - A new or improved gas-heated water circulator : en
  • AT156658B - Device for separating the specifically heavier additions from raw pumice and similar masses. : de en
  • CA383288A - Dyestuff derivative manufacture : en fr
  • GB510803A - Improvements in or relating to the manufacture of plywood and application of veneers : en
  • US2169109A - Air cooling means for dry rectifiers : en
  • FR845110A - Process for preparing reaction products from amides : en fr
  • DE679543C - Low-pressure steam generator for agricultural businesses : de en
  • AU43139A - Improvements in or relating tothe production of hard alloys : en
  • GB510764A - Method of effecting the airtight closure of vessels provided with metal tube attachments : en
  • GB511045A - Improvements in knitting machinery : en
  • US2168903A - Lubricated plug valve : en
  • USD116123S - Design for a dkess ensemble : en
  • CA383315A - Cargo damage prevention : en fr
  • US2168787A - Made-up handkerchief : en
  • US2168998A - Film winding mechanism for cameras : en
  • USD116129S - Design for a textile fabric or : en
  • US2169172A - Molding : en
  • AU108109B2 - Device for lifting blanks from piles and for pasting, conveying and feeding them, by means of suction, to paper tube making machines for tubes of all kinds and shapes, such as conical, cylindrical or other crosssection : en
  • US2168985A - Preparation of ikon free copper : en
  • US2168550A - Solution for propagation of plants : en
  • US2169126A - Stroke-increasing device : en
  • CA383307A - Submarine cable laying apparatus : en fr
  • GB510960A - Improvements in or relating to wash-hand basins, sinks or the like and their fittings : en
  • US2168631A - Plumbing fitting : en
  • US2169079A - Trenching machine : en
  • US2169099A - Mirror clock : en
  • US2168617A - Corn sheller : en
  • US2168749A - Safety device for heaters : en
  • US2168930A - Highway guard : en
  • US2168978A - Cathode ray deflecting apparatus : en
  • US2168653A - Toy airplane : en
  • US2168858A - Electric cable system : en
  • GB510747A - Improvements in or relating to electrical conductors : en
  • USD116119S - Design for a textile fabric or sim : en
  • US2169102A - Pole-snubbing device : en
  • USD116102S - Design for a textile fabric or : en
  • US2168657A - Medicinal preparation : en
  • US2168707A - Well drilling apparatus : en
  • US2168948A - Shoe : en
  • US2168980A - Edible product : en
  • US2169201A - Refrigerator construction : en
  • FR845127A - Continuous electrolytic process and apparatus for extracting magnesium metal from magnesium carbonate or a mixture of carbonate and magnesium oxide : en fr
  • US2168769A - Protector : en
  • US2168517A - Typewriting machine : en
  • US2169033A - Regulating system : en
  • US2169072A - Paper dispenser : en
  • US2169142A - Lifesaving device : en
  • US2168710A - Leg-supported structure : en
  • FR844979A - Improvements to derailleurs and chain tensioners for velocipedes : en fr
  • FR49846E - Manufacturing process of rubber bags and objects made by this process : en fr
  • GB511285A - Improvements relating to automatic coin actuated ticket issuing machines : en
  • DE671258C - Internal combustion tool : de en
  • DE679576C - In a normal metal flush-mounted socket intended for only one installation device, to be built into a double socket with earthing : de en
  • FR845090A - Process for the extraction of magnesium oxide or carbonate from dolomite or other ores or similar products : en fr
  • US2168368A - Slumber curler : en
  • GB510729A - Improvements relating to loose leaf binders, covers or files : en
  • FR49837E - Cryptographic device : en fr
  • US2168581A - Method and apparatus for thermochemically removing metal from bodies of ferrous metal : en
  • USD116082S - Design fob a pin cop : en
  • FR49849E - Chain breaker for loom : en fr
  • GB510884A - Process for the production of silver halide emulsions for colour photographic purposes : en
  • DE1471484U - : de en
  • US2168435A - Machine for reconditioning bale bands, box strappings, and the like : en
  • DE679537C - Device for obtaining spinnable fibers, in particular from inferior bast fiber stalks : de en
  • US2168384A - Flying object and apparatus for its simulated flight : en
  • US2168855A - Seeder : en
  • US2169184A - Grading and excavating machine : en
  • FR844971A - Advanced tube forestay head : en fr
  • FR845059A - Advanced wiper with auxiliary hand control : en fr
  • FR845064A - Improvements in thermometric devices used for regulating boilers, in particular those of central heating installations : en fr
  • GB510768A - Improvements in or relating to bean cutting machines : en
  • FR845070A - Automatic bottle and flask making machine : en fr
  • US2168836A - Thermostat : en
  • US2168736A - String instrument : en
  • DE679750C - Row workbench : de en
  • US2168685A - Compounds of the cyclopentano-hydrophenanthrene series and process of making same : en
  • US2169166A - Apparatus for forming cigar tips : en
  • US2168382A - Method of connector assembly : en
  • USD116042S - Design fob a dispensing cabinet for : en
  • GB510882A - Improvements in fastening devices for garments and other applications : en
  • GB510841A - Improvements in or relating to metal paste pigments : en
  • DE679572C - Arrangement of the power supply and drainage forming contact line for electric vehicles : de en
  • GB510874A - Improved light-sensitive diazo-type layers : en
  • US2168801A - X-ray apparatus : en
  • GB510930A - Improved magnesium alloys : en
  • GB510938A - Improvements in or relating to scaffold jacks : en
  • GB511016A - Improvements in impression-adjustment devices for rotary intaglio printing machines : en
  • FR845048A - Improvements in the processing of photographs and color films : en fr
  • DE679501C - Feeding device for feeding the ground material to mills with simultaneous cooling : de en
  • US2168539A - Chain repair link : en
  • US2168547A - Page pasting mechanism : en
  • FR844952A - Gas protection device, in particular against combat gases : en fr
  • GB510923A - Improvements in or relating to heating apparatus : en
  • US2168593A - Method of making artificially colored granules : en
  • FR845049A - Method and devices for the study of layers crossed by a sounding, according to their calorific properties : en fr
  • FR844986A - Shooter enlarger device : en fr
  • GB510900A - Improvements in and relating to a container for a brush, mop or the like : en
  • GB510798A - Improvements in or relating to screw and nut gearing : en
  • GB511349A - Improvements in apparatus for the polymerisation of normally gaseous olefins and/or the hydrogenation of olefinic polymers to form motor fuel hydrocarbons : en
  • DE679605C - Foldable stiffening pad made of cardboard or the like for packing socks : de en
  • USD116015S - Design fob a rug : en
  • US2169132A - Spike : en
  • DE679752C - Electrically heated block holder for metal pipe and extrusion presses : de en
  • FR844984A - Tracking device by inverter motor : en fr
  • AT156747B - Device with an electric discharge tube. : de en
  • IE15541L - Bromine compounds of phytol : en
  • DE679634C - Device for making and filling a prismatic cover : de en
  • DK56518C - Fuel pump for internal combustion engines. : da en
  • US2168583A - Method of wrapping packages : en
  • AT156728B - Handle for hair curlers. : de en
  • DE679709C - Method and device for cleaning acidic gases : de en
  • GB510812A - Improvements in or relating to injection molding presses : en
  • GB510918A - Automatic door check with tension contrivance and mechanical brake : en
  • CA383223A - Electric switchgear : en fr
  • US2168673A - Automobile signal : en
  • US2168564A - Control device : en
  • US2168816A - Railway signaling : en
  • GR8430B - GRAPHIC METER INDICATOR FOR USE OF TAILORS AND TAILORS. : el en
  • DE679614C - Circuit arrangement for blocking echo and feedback : de en
  • US2168492A - Vehicle signaling mechanism : en
  • CA383188A - Paper sheet conditioning apparatus : en fr
  • CA383331A - Wiring system for electrical apparatus : en fr
  • DE679747C - Device for milling off chopping blocks : de en
  • US2169175A - Method of and apparatus foe con : en
  • US2168679A - Shock absorber : en
  • US2168957A - Machine for the winding of the electrical coils on a ring-formed dynamo core : en
  • GB510802A - Improvements in or relating to transparent closures and the like : en
  • USD116112S - Design for a rail car truck : en
  • FR845075A - Compressor : en fr
  • GB511179A - Improvements in or relating to the disinfection of insect-infested food such as fruit, grain or other starchy products, wearing apparel such as furs, woody materials or tobacco : en
  • DE679558C - Motorized, portable impact tool : de en
  • DE679671C - Dressing of seeds : de en
  • DE679468C - Process for the extraction of lead from chlorinated, roasted and leached lead-containing gravel waste : de en
  • DE679494C - Device for measuring temperatures : de en
  • DE679563C - Strip feed device for registration apparatus, in particular cash registers : de en
  • DE679617C - For the simultaneous clamping of several cables of the same or different strength, used in particular for junction boxes : de en
  • DE679637C - Method and device for displaying differences in radiation by means of a gas line in the manner of a so-called counting chamber : de en
  • DE679529C - Extendable roof antenna arrangement for radio waves : de en
  • GB510814A - Improvements in oil burning lamps for use with railway semaphore and like signals : en
  • DE679489C - Toddler scale : de en
  • AU265438A - Improvements in and connected with draught couplings for wheeled vehicles : en
  • US2168333A - Heat treating furnace tray : en
  • US2168936A - Reversible single-line feeder : en
  • US2168374A - Chemical compounds and products produced therefrom : en
  • US2168398A - Method of separately working heel portions onto stockings : en
  • US2169157A - Shutter : en
  • USD116125S - Design fob a dress : en
  • US2168924A - Oscillator system : en
  • US2168786A - Remote control system : en
  • US2169076A - Folding trailer : en
  • US2169153A - Combined beer cooling and dispensing apparatus : en
  • USD116016S - Closure therefor : en
  • FR49833E - Wheel intended particularly for landing gears of planes or other heavy vehicles : en fr
  • US2168557A - Top bunker refrigerator car : en
  • US2168737A - Device for dispensing ice cream : en
  • US2168414A - Rate extension punch : en
  • US2168867A - Method and apparatus for testing the contents of the stomach and other body cavities : en
  • USRE21174E - H k lorentzen : en
  • USD116085S - Design for a pin clip : en
  • CA383247A - Water-soluble condensation product : en fr
  • US2168729A - Sand pump : en
  • DE679703C - Mobile device for the lateral installation and removal of the rolls from roll stands : de en
  • US2169181A - Fastening device : en
  • FR845113A - Method and device for the manufacture of hollow parts, especially pipes of materials capable of gripping and of fillers : en fr
  • GR8424B - PERFECTIONS IN SECONDARY BATTERY OR ELECTRIC ACCUMULATOR : el en
  • US2168383A - Roll refiner and the like : en
  • US2168361A - Clothes hanger : en
  • FR845026A - Manufacturing process of slider clasps : en fr
  • USD116072S - De sign for a brush or similar : en
  • US2169207A - Manufacture of cellulose xanthate derivatives and artificial materials therefrom : en
  • FR844957A - electrode for electric oven : en fr
  • GB510926A - Improvements in metal-fabricating oils : en
  • US2168652A - Apparatus for producing gas : en
  • US2168571A - Metal containing trisazo dyes : en
  • USD116068S - Design for a harmonica : en
  • FR845013A - Shock absorber for bicycles : en fr
  • US2168582A - Centrifugal crusher : en
  • SE96493C1 - : en
  • US2168709A - Tongue protector : en
  • DE679496C - Operation monitoring device : de en
  • US2168905A - Wagon drill : en
  • AU96039A - Improvements in cartons for granular and like materials : en
  • DE679509C - Silencers, especially for firearms : de en
  • US2169030A - Animal shipping box : en
  • US2168452A - Platen press : en
  • US2168716A - Tongue protector : en
  • US2169074A - Side bearing : en
  • US2168966A - Bulb digging machine : en
  • US2169039A - Circuit commutating device : en
  • US2169193A - Chromium-titanium-silicon alloy : en
  • US2168339A - Ant trap : en
  • US2169062A - Method of surface-treating labeled articles : en
  • US2168542A - Process for extracting ores and the like : en
  • DE679668C - Device for recording processes that start at a point in time that cannot be determined in advance : de en
  • FR49822E - Improvements to light signals : en fr
  • FR845111A - Improvements applied to dropper devices : en fr
  • GB510788A - Improvements in or relating to machines for colour printing : en
  • DE679486C - Process for the production of solutions of barbituric acids and their salts : de en
  • FR844955A - Process for preparing 2-nitronaphthalene-4-8-disulfonic acid : en fr
  • CA383236A - Hollow glass block making apparatus : en fr
  • DE679091C - Spring insert for round and cylindrical, loose cushions from the outer cushion shape correspondingly running spring wires or individual springs : de en
  • FR845006A - Method of construction of hangars and other similar buildings : en fr
  • FR845028A - Airship sledge : en fr
  • DE679466C - Method for producing clip strips for wire stitching machines : de en
  • FR49814E - Detonation indicator for internal combustion engines : en fr
  • IE15357L - Electric discharge tubes : en
  • US2169032A - Vapor-electric converter : en
  • AU108108B2 - Process of and apparatus forthe production of oxidation products such as fatty acids or alcohols from hydrocarbons of higher molecular weight by oxidation : en
  • AU316938A - Device for lifting blanks from piles and for pasting, conveying and feeding them, by means of suction, to paper tube making machines for tubes of all kinds and shapes, such as conical, cylindrical or other crosssection : en
  • FR844980A - Transmission device replacing the automobile "gearbox" : en fr
  • US2168860A - Variable-length antenna : en
  • FR845095A - Electric motor : en fr
  • GB510745A - Improvements in or relating to the rectification of alternating currents and voltages : en
  • DE679566C - Method and device for controlling charging cores : de en
  • FR845042A - Method for cutting and beading with a grinding wheel cylindrical thread milling cutters with several profiles having helical tension grooves : en fr
  • GB510725A - Broken thread detecting, and rove stopping mechanism, for spinning and like machines : en
  • US2168522A - Mounting for rock drills : en
  • DE679755C - Process for eliminating uneven decline in shaft furnaces, especially blast furnaces : de en
  • US2168815A - Fusible circuit interrupter : en
  • AT156656B - Method for operating vibrating devices. : de en
  • US2169159A - Means for accurate screw cutting : en
  • GB510898A - Improvements in or connected with firearms : en
  • GB511163A - Improvements in and relating to quantitative spectrum analysis : en
  • US2168670A - Air cleaner : en
  • GB510807A - Improvements in and relating to electric radiators : en
  • GB510955A - Improvements in or relating to dynamo-electric machines : en
  • US2168458A - Valve grinder : en
  • US2168721A - Bolt fastening device and the like : en
  • US2168848A - Extreme pressure lubricant : en
  • US2168929A - Isoquinoline compounds and derivatives thereof : en
  • US2169161A - Foot-controlled directional light switch : en
  • GB510844A - Improvements in or relating to ozonizing apparatus : en
  • US2168416A - Fastener-attaching machine : en
  • US2168606A - Shoe : en
  • US2168446A - Printing machine : en
  • US2169148A - Unhairing of hides and skins : en
  • US2169194A - Chemical apparatus : en
  • USD116026S - Design fob an infant s utility : en
  • USD116045S - Design for a heater casing : en
  • FR49816E - Process and means for enriching with aromatic carbides and removing resin constituents from natural and industrial mixtures of hydrogen carbides and products obtained : en fr
  • FR845148A - Improvements to dressing-type items, especially sanitary napkins : en fr
  • US2169117A - Self-leveling head support : en
  • FR49839E - Method and device for emptying and filling storage containers for liquefied gases : en fr
  • USD116007S - Design for : en
  • USD116126S - Design for a dress : en
  • US2168695A - Diving mask : en
  • US2168866A - Snow-removing device : en
  • US2169104A - Protective and maintenance equipment for electric circuit interrupting devices : en
  • CA383277A - Facsimile recording apparatus : en fr
  • AT156713B - Phosphors. : de en
  • US2168327A - Revivification of spent adsorbents : en
  • US2169026A - Cutter register control : en
  • US2169071A - Television system : en
  • GB510756A - Improvements in or relating to electric remote control devices for wireless receivers : en
  • US2168870A - Thermionic valve circuits : en
  • US2168346A - Process of producing phenolphthalein : en
  • US2168713A - Tongue protector : en
  • AU320738A - Improvements in auxiliary electrodes in electric discharge devices : en
  • US2168970A - Automotive multiwheel vehicle : en
  • USD116056S - Design fob a flower holder : en
  • US2168698A - Device for flame signals : en
  • GB510860A - Means for heating the working medium of hot air or gas power plants, in which a gaseous working medium, preferably air, describes a closed cycle under pressure above atmospheric : en
  • AT156697B - Headlight or projector system with condenser lens. : de en
  • AT156719B - Self-sellers with two or more batch groups. : de en
  • FR845108A - Process for polymerizing olefins : en fr
  • CA383183A - Textile printing machine : en fr
  • AT156723B - Wooden construction cell parts. : de en
  • US2169127A - Bag hook : en
  • DE679562C - Circuit arrangement for telecommunications systems, in particular automatic coin operated telephone systems : de en
  • CA383263A - Vehicle wheel : en fr
  • US2168501A - Sewing machine guard : en
  • USD116061S - Design fob a coat : en
  • USD116095S - Design fob a brooch or similar : en
  • US2169100A - Dynamo-electric machine : en
  • AU112548B2 - Improvements in and relating tothe manufacture of electric discharge vessels : en
  • DE679675C - Application device for multi-walled hoses : de en
  • FR49806E - Synthesis of alcohols and hydrocarbons : en fr
  • GB510826A - Improvements relating to adhesives : en
  • US2168813A - Folding table : en
  • US2168959A - Hydraulic brake : en
  • US2168405A - Tool : en
  • USD116019S - Design for a coat : en
  • US2168625A - Locomotive firebox : en
  • US2169055A - Perfume fixative : en
  • CA383298A - Heel : en fr
  • US2168329A - Plastering apparatus : en
  • US2168597A - Process and apparatus for the direct production of steel and other metals from ore : en
  • US2168532A - Pelleting of materials : en
  • US2168634A - Geometric model : en
  • USD116012S - Design for a washing machine cabinet : en
  • US2168363A - Apparatus for mixing fluids : en
  • US2168916A - Bicycle basket mounting : en
  • AT156731B - Carburetor with electrical heating device for gasifying liquid fuels. : de en
  • AU108121B2 - Improvements in or relating to sandals : en
  • GB510877A - Improvements relating to the manufacture of perforated metal for gaskets or other purposes : en
  • CA383255A - Asymmetric lighting fitting : en fr
  • US2168371A - Brake : en
  • US2169058A - Tape serving machine : en
  • AU322738A - Process for producing paraffin wax : en
  • US2169053A - Window shade and curtain support : en
  • US2168441A - Teletypewriter : en
  • USD116109S - Design for a textile fabric : en
  • CA383289A - Rail flaw detector mechanism : en fr
  • AU209438A - Improved electron tubes ofthe retarding field type and circuits employing them : en
  • AU108103B2 - Deodorant and toilet container : en
  • DK56514C - Key to Gas ATM cash registers. : da en
  • FR845081A - System allowing to immobilize exactly, in predetermined positions, a mobile movable by hand along a defined trajectory : en fr
  • DE637343C - Device for steam charging in internal combustion engines : de en
  • DE679549C - Safety pin with two openings : de en
  • US2168345A - High speed thrust bearing : en
  • US2168466A - Lathing : en
  • US2169135A - Machine tool with hydraulic copying device : en
  • AT156735B - Heat exchanger. : de en
  • US2168621A - Combination lock : en
  • DE679790C - Gripping device : de en
  • US2168893A - Camera : en
  • US2168599A - Air regulating means : en
  • US2168783A - Flow booster for air pipes : en
  • USD116048S - Design fob a jab : en
  • US2168887A - Agitator for washing machines : en
  • US2168334A - Furnace pot : en
  • US2168676A - Railroad track construction : en
  • US2168408A - Friction shock-absorbing mechanism : en
  • US2168474A - Cigarette mouthpiece : en
  • USD116128S - Design for a textile fabric : en
  • DE679689C - Method for suppressing interference when receiving frequency-adjacent transmitters : de en
  • US2168353A - Hydrometer : en
  • US2169121A - Motor cooling system : en
  • US2168733A - Motor cultivating machine : en
  • GB510920A - Improvements in or relating to hand-operated machines for cutting potato chips or fingers : en
  • US2169163A - Open hearth furnace : en
  • DE679585C - Device for grouting cracks in room ceilings or walls : de en
  • GB510771A - Improvements in or relating to the mounting of control levers on motorcycles : en
  • FR49836E - : fr
  • US2168938A - Fishing reel : en
  • US2169202A - Electric valve protective system : en
  • GB510772A - Respiratory appliance : en
  • AT156715B - Gas or steam-filled electrical discharge vessel. : de en
  • DK56529C - Foldable Yarn Wind. : da en
  • CA383157A - Wire tightener : en fr
  • DE679570C - Vehicle driven by a thermal engine, in particular a rail vehicle, with a precipitation device arranged under the floor : de en
  • AT156671B - Process for the production or purification of therapeutically effective preparations. : de en
  • US2168313A - Combustion means : en
  • US2168447A - Safety razor : en
  • AT156663B - Thermostat to keep the frequency of quartz-controlled tube transmitters constant. : de en
  • US2168921A - Power control : en
  • DE679717C - Locking device for turntables, sliding platforms and similar devices : de en
  • AT156702B - Heat meter based on the evaporation of a liquid in a container that is openly connected to the outside air. : de en
  • AT156740B - Lubricating device for compressors, in particular rotary piston compressors. : de en
  • AU108099B2 - Improved method and apparatus for making hollow glass blocks : en
  • AT156683B - Process for the treatment of polyvinyl alcohols and their derivatives. : de en
  • US2168659A - Steering gear : en
  • US2168791A - Renewable electric fuse : en
  • DE679672C - Lubricating device for double radial engines : de en
  • DK56532C - Short-term meters with means for delivering intermediate signals during the course of the measurement. : da en
  • US2169151A - Shoetree : en
  • AU108118B2 - A combined flexible or rigid fan rake : en
  • US2168752A - Cloth clamp : en
  • US2169123A - Explosion relief means : en
  • FR845076A - Automotive Suspension Improvements : en fr
  • US2168675A - Clothesline reel : en
  • US2168879A - Preparation of stable concentrated solutions of therapeutically useful calcium compounds : en
  • CA383225A - Radio selectivity control : en fr
  • US2169035A - Elevator control system : en
  • USD116103S - Design fob a tucked fabric : en
  • US2168500A - Adjustable discharge slide for cotton feeders : en
  • CA383166A - Oil or liquid raising apparatus : en fr
  • CA383242A - Railway car : en fr
  • GR8421B - WATERPROOFING BAGS MADE OF RUBBER CUTTING AND METHOD TO MAKE THEM. : el en
  • US2168404A - Refrigerant distribution : en
  • US2168601A - Permanent expander for split-skirt pistons : en
  • US2168531A - Low density cellulose materials : en
  • US2169063A - Apparatus for assembling parts : en
  • AU108129B2 - Improvements in auxiliary electrodes in electric discharge devices : en
  • AT156712B - Process for through hardening and tempering of difficult to harden steels. : de en
  • US2168834A - Headlight : en
  • AT156696B - Device for the demagnetization of erasing, speaking and listening heads. : de en
  • US2169044A - Valve : en
  • USD116032S - Design for a perfume bottle : en
  • DE679499C - Distributor : de en
  • DE679615C - Degassing plug for galvanic elements, especially electrical collectors : de en
  • AT156689B - Installation on raised handlebars, especially on bicycles. : de en
  • USD116055S - Design for a perfume bottle : en
  • US2168857A - Wireless aerial system : en
  • US2168960A - Clutch mechanism : en
  • US2169093A - Electrical control system : en
  • US2168336A - Cellulosic structure and method for producing same : en
  • US2168510A - Headlight indicator : en
  • US2168602A - Radio-controlled signaling means : en
  • US2168837A - Oil well rig : en
  • CA383216A - Waste liquor recovery apparatus : en fr
  • FR845089A - Inhaler : en fr
  • GB510792A - Improvements in or relating to electrical signalling systems : en
  • GB510829A - Improvements relating to lock-nuts : en
  • GB510950A - Improvements relating to the construction of walls, floors or the like from mouldable material : en
  • GB510952A - Improvements in and relating to lubricating oils and greases : en
  • CA383310A - Transparent fabric : en fr
  • AT156726B - Suitcases, in particular for clothing. : de en
  • AU108124B2 - Means for improving the wavefront steepness ofa synchronization impulse employed in television receiving systems : en
  • CA383174A - Fluid control system : en fr
  • US2168913A - Tent : en
  • FR845054A - Needle comb for making indefinable waves : en fr
  • GB510755A - Improvements in travelling cases : en
  • GB510994A - Pneumatically operated fluid controlled tool feeding mechanism for lathes and like machine tools : en
  • GB511051A - Improvements in or relating to points indicators on railway track panels : en
  • US2168683A - Absorption process : en
  • US2168380A - Container filling apparatus : en
  • US2168616A - Chlorinator : en
  • USD116127S - Design for a waffle iron or similar : en
  • US2168728A - Tongue protector and extractor therefor : en
  • FR844962A - Improvements made to air filters or other gases : en fr
  • US2168682A - Clutch operating mechanism : en
  • US2168777A - Tension control for strip mills : en
  • US2168314A - Touch time watch : en
  • CA383270A - Ore flotation process : en fr
  • US2168465A - Flat quill or bobbin : en
  • US2168888A - Azo pigment production : en
  • US2168358A - Auxiliary impact member and method of making the same : en
  • US2168773A - Hamburger frying machine : en
  • USD116041S - Design for a head for a hand mirror : en
  • CA383245A - Water insoluble phthalocyanine-sulphonic acid salt : en fr
  • CA383293A - Line casting and composing machine : en fr
  • US2168430A - Juice extractor : en
  • US2168426A - Transmitting and distributing audio current on an amplified loudspeaker system : en
  • US2168461A - Automatic selectivity control : en
  • USD116077S - Design fob a radio cabinet ob similar : en
  • US2168379A - Process for preparing derivatives of halogenated sterols and the products thus obtained : en
  • US2168944A - Barbecue stove : en
  • AT156743B - Circuit arrangement for the selection of connection points located on a common line. : de en
  • US2168831A - Improved traffic-signal light : en
  • US2168762A - cacos : en
  • USD116083S - Design fob a pin clip : en
  • US2169190A - Copper base alloy : en
  • USD116086S - Design fob a pin clip : en
  • CA383300A - Hydraulic swashplate pump or motor : en fr
  • US2168424A - Invalid walker : en
  • USD116058S - Design for a slipper : en
  • FR845122A - Liquid for the operation of hydraulic devices : en fr
  • US2168627A - Acoustical treatment for upholstered structures : en
  • US2168700A - Brake : en
  • US2168839A - Fuel injector : en
  • DE679732C - Steering knuckle control for front end : de en
  • DK56509C - Procedure for Preparing and Regenerating a Catalyst. : da en
  • FR844998A - Process for restoring or increasing production from oil or gas wells : en fr
  • FR845109A - Method for producing elastic fibrous material : en fr
  • DE679511C - Process for the production of ammonium nitrate explosives : de en
  • AU374338A - Improvements in water heaters : en
  • GB510722A - Improvements in or relating to devices for storing and mailing prospectuses and likeprinted matter, or similar flat packages : en
  • GB510973A - Improvements in or relating to electrically heated melting pots for die-casting machines : en
  • GB510986A - Improvements relating to possers : en
  • US2168754A - Stop mechanism for knitting machines : en
  • FR845077A - Further training in catalytic heaters : en fr
  • US2168472A - Air cleaner : en
  • US2169204A - Stocking : en
  • US2168704A - Metal cutting and forming machine : en
  • CA383203A - Hydraulic clutch mechanism : en fr
  • AT156709B - Liquid-lubricated plain bearing. : de en
  • CA383202A - Curtain pole : en fr
  • DE679642C - Multi-cylinder, slot-controlled two-stroke internal combustion engine in an in-line arrangement : de en
  • CA383162A - Glass furnace paddle : en fr
  • CA383233A - Lehr gas desulphurization : en fr
  • CA383168A - Syringe : en fr
  • US2168365A - Game : en
  • US2168741A - Blind stitch sewing machine : en
  • US2168347A - Tropical louver : en
  • US2168954A - Line tightener : en
  • US2168961A - Automobile steering wheel : en
  • DE679587C - Emulsion polymerization of butadiene or its derivatives : de en
  • DK56524C - Camera for Rullefilms. : da en
  • US2169130A - Magnifying lens attachment for objectives : en
  • US2168357A - Auxiliary impact member : en
  • US2168489A - Lifting mechanism : en
  • US2168388A - Barbecue furnace : en
  • US2168984A - Construction and manufacture of radio receivers : en
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  • US2168315A - Method for the purification of petroleum mahogany sulphonates : en
  • US2168318A - Heavy duty scraper : en
  • US2168562A - Inorganic nitrate explosive : en
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  • US2169075A - Antiglare shield for goggles and sunglasses : en
  • AT156716B - Electron tube. : de en
  • US2168449A - Ring spinning frame : en
  • US2168620A - Height adjustment support for chair backs : en
  • US2169186A - Diesel fuel : en
  • AT156690B - Beer kegs or the like. : de en
  • USD116028S - Design for a cigarette holder : en
  • DE679723C - Device for the continuous splitting of fats or oils : de en
  • GB510984A - Electric discharge deivces and methods of manufacturing the same : en
  • US2168645A - Linkage mechanism : en
  • AT156668B - Method for guiding vehicles within driving sectors formed by guide beams. : de en
  • CA383213A - Split hook sheave : en fr
  • CA383219A - Shoe protective cover : en fr
  • US2168399A - Dry size : en
  • US2168974A - Double exposure prevention camera : en
  • US2168576A - Process of coloring plastic masses : en
  • CA383244A - Phthalocyanine series dyestuff production : en fr
  • US2168979A - Handle for hand grenades : en
  • CA383194A - Oil refiner : en fr
  • US2169021A - Hair curler : en
  • US2168370A - Eyelash curler : en
  • GB510761A - Improvements in or relating to the colouration of artificial textile materials : en
  • DE679580C - Process and device for the production of iron centrifugally cast pipes : de en
  • DE679554C - Process for the production of printing forms for gravure printing : de en
  • DE679628C - Press for the production of pressed bodies with parts from various types of pressed materials : de en
  • DE678589C - Procedure for dismantling camps : de en
  • US2169090A - Sintered hard metal alloy : en
  • USD116013S - Design for a telescope : en
  • GB510939A - Improvements in hydraulic presses : en
  • DE679470C - Process for the production of washout reliefs by tanning development of halosilver colloid layers : de en
  • FR844982A - Improvements to sets with two or more receivers : en fr
  • GB510778A - Method of manufacturing materials and work pieces of mineral wool and a hydraulic binding medium : en
  • US2168548A - Stereotype plate finishing and cooling machine : en
  • US2168840A - Inhibiting carbon formation in metal reaction vessels : en
  • USD116074S - Design for a container for perfume : en
  • GB510849A - Improvements in devices for the self-mooring of mines and buoys : en
  • DE679638C - Printing unit for booking and similar machines : de en
  • GB511041A - Improvements in or relating to the descaling of metal articles : en
  • DE679625C - Collapsible boot jack : de en
  • DE679561C - Method and device for the continuous production of duene mixture salts : de en
  • USPP336P - Poinsettia : en
  • DE679592C - Device for drying, de-acidification and degassing, especially for wood saccharification : de en
  • US2168587A - Solvent and solution of cellulose esters : en
  • GB510914A - Improvements in or relating to fire extinguishing apparatus : en
  • GB510993A - Improvements in and relating to the coating of articles by means of thermally vaporised material : en
  • FR845009A - Contact material and zeolite catalyst : en fr
  • FR845033A - Process for the preparation of carbonyl compounds of the cyclopentanopolyhydrophenanthrene series : en fr
  • DE679645C - Process for emptying fermentation vats with the use of fermentation gases : de en
  • FR844970A - Improvements in the construction of walls for glass melting furnaces : en fr
  • GB511027A - Improvements in and relating to flange packings : en
  • DE679613C - Device for attaching account sheets to typewriters : de en
  • FR844973A - Improvements to electrically operated alarm bells and analog signals : en fr
  • DE1471436U - : de en
  • DE679582C - Juicer or similar household appliance : de en
  • GB510911A - Improvements in or relating to alkaline detergent compounds : en
  • FR844987A - Improvements to projectiles of fireworks : en fr
  • GB510774A - Aeroplane supporting wing : en
  • FR845072A - Device for high-yield packaging of identical products : en fr
  • GB511287A - Improvements in or relating to fuel feeding means : en
  • FR845014A - Platineuse steam table for dyers : en fr
  • GB510780A - Improvements in letter feeding devices for mail handling machines : en
  • GB511137A - Improvements in and relating to magnesium alloys : en
  • DE679597C - Arrangement for the regulation of traction motors : de en
  • FR845046A - Process for the quantitative separation of hydroxy compounds : en fr
  • GB510838A - Improvements in or relating to drying webs : en
  • GB510990A - Method for strengthening the edges of loose leaf book sheets : en
  • GB511005A - Improvements in and relating to electric connectors : en
  • FR845102A - Method and device for separating wood from washed charcoal : en fr
  • GB511144A - Manufacture of thiuronium salts : en
  • FR845007A - Dense particle eliminator device for gas stream : en fr
  • FR844981A - Container device distributing salt and pepper successively or simultaneously at will : en fr
  • DK56510C - Quiet Motor Pump. : da en
  • GB510868A - Process for the manufacture of azo compounds of acid character : en
  • FR845079A - Improvements to machines for applying pigment paper to cylinders intended for intaglio engraving : en fr
  • GB510763A - Improvements in short and ultra-short wave radio communication systems : en
  • CA383169A - Article support : en fr
  • US2168412A - Apparatus to prevent adhesion of type metal to spaces of line-casting machines : en
  • GB510937A - Improvements in or relating to conduits for guiding cooling air from a blower to an air cooled radial engine : en
  • DE679536C - Process for the production of valuable leather : de en
  • US2168341A - Fishway : en
  • GB511142A - A process for the destructive hydrogenation under pressure of coal : en
  • US2168656A - Power transmission : en
  • US2168934A - Food product and method of making same : en
  • GB510940A - Improvements in or relating to electric discharge tubes : en
  • FR845096A - Electric rotary brake for vehicles and various machines : en fr
  • GB510842A - Electron discharge devices : en
  • US2169028A - Watt-hour meter : en
  • USD116070S - Design for an automobile bumper : en
  • AT156741B - Engine braking systems on motor vehicles. : de en
  • DE679481C - Process for the production of water-insoluble azo dyes : de en
  • FR49828E - Convertible table adapting to sick beds : en fr
  • GB510963A - Improvements in and relating to the production of pipeless ingots : en
  • US2168650A - Glass perforating : en
  • US2169179A - Electrooptical system : en
  • USD116044S - Design for a coat : en
  • USD116059S - Design for a supper : en
  • US2168480A - Steering mechanism : en
  • US2168692A - Cleaning apparatus : en
  • US2168732A - Friction-wheel pyrophoric lighter : en
  • AU108107B2 - Improvements in or relating to electric discharge lamps comprising refractory body adapted tobe heated to incandescence bythe discharge : en
  • US2168478A - Method of drying hides and skins : en
  • US2168822A - Closure for collapsible tubes : en
  • USD116043S - Design for : en
  • US2168724A - Food product and process of producing the same : en
  • DE679761C - Automatic or semi-automatic control for aircraft : de en
  • US2168360A - Concentrated food product : en
  • US2168445A - Article of manufacture : en
  • US2168310A - Portable electric communication network : en
  • US2168727A - Blind stitch sewing machine : en
  • GB510946A - An eye-attachment device : en
  • GB511286A - Improvements in or relating to reciprocating fuel pumps : en
  • US2168612A - Slicing machine : en
  • US2168911A - Corner bracket for shelves : en
  • DE679593C - Process for the production of largely dephosphorized steel using the Thomas process : de en
  • GB510739A - Improvements in or relating to clocks and watches : en
  • DE679595C - Device for infinitely variable regulation of the flow of goods in the annealing furnace : de en
  • DE679727C - Strap for hanging the curtains on roller hangers : de en
  • US2168342A - Self-contained thrust bearing : en
  • US2168591A - Tubing head : en
  • US2169086A - Pipe still : en
  • GB510907A - Improved printing process and prints obtained therefrom : en
  • DE679660C - Device for disinfecting, cleaning and drying tools and devices for the hairdressing trade : de en
  • GB511180A - Improvements in photographic anti-halation, filter layers and other non-sensitised layers : en
  • FR49808E - Dryer-cooker for crushed, granular or powdery materials : en fr
  • GB511006A - Weighing scales for compounding formulas : en
  • US2168385A - Circular loom : en
  • DK56511C - Magnetomotor Meters and Method of Magnetizing the Permanent Magnet of the Meter. : da en
  • FR844985A - Machine for molding and pre-compressing cakes from seeds of all kinds, in particular oil seeds : en fr
  • GB510770A - Improvements in and relating to flexible couplings : en
  • GB511196A - Improvements in gyroscopic turn indicators for aircraft : en
  • US2168619A - Amalgamator : en
  • DE679694C - Electrically indicating impeller flow meter : de en
  • DE679737C - Flash lamp : de en
  • US2168735A - Method of cementing wells : en
  • DE679565C - Single trigger for multiple single shot rifles : de en
  • AT156750B - Device with or on an electric discharge tube. : de en
  • GB510831A - Improvements in or relating to wireless receivers with fading compensation : en
  • DE679691C - Protection device for oil-filled electrical equipment : de en
  • FR845128A - Optically active piperitone manufacturing process : en fr
  • USD116021S - Design for a refrigerating display : en
  • US2169047A - Vehicle wheel : en
  • US2169105A - Bicycle saddle : en
  • USD116097S - Design for a fountain pen : en
  • GB511026A - Method of joining two or more surfaces together and adhesive therefor : en
  • GB511050A - Improvements in water tube steam boilers : en
  • FR844983A - Weight relief for bass tuned loudspeaker diaphragms with vertical shaft mounting : en fr
  • AU351038A - Improved packing means for safety razor blades and methods of removing the blades therefrom : en
  • FR845017A - Internal combustion engine, in particular aircraft engine : en fr
  • FR49847E - Improvements to labeling machines for bottles, flasks, cans, boxes, packages, and other containers : en fr
  • FR845063A - Improvements made to cards, tables, indexes, directories, albums, sample books and similar articles and to the means of linking them when they are formed by loose sheets : en fr
  • DE679653C - Introduction of an electrical cable with a plastic sheath made of plastic material in a housing : de en
  • FR844960A - Improvements to steering and maneuvering wheels : en fr
  • DE679515C - Procedure for finding faulty insulators on high voltage lines : de en
  • GB510835A - Improvements in or relating to a machine for separating liquid from solids : en
  • GB511420A - Improvements in and relating to electrical communication systems : en
  • DE679624C - Bast fiber processing machine with beating drums working in pairs : de en
  • DE679636C - Safety device for crossings on single-track lines : de en
  • FR845133A - Process of smelting or second smelting used aluminum and aluminum in the form of waste, parings, residues and ash : en fr
  • US2168756A - Acid resist powder for use in etching : en
  • US2168767A - Automatic diving toy : en
  • FR845012A - Clasp or frame for handbag : en fr
  • GB510905A - Improvements in and connected with control-lever fittings for use with bowden cables : en
  • GB511042A - Improvements in or relating to electric condensers : en
  • DE679477C - Line ejector for die setting and line casting machines with individually couplable tongues : de en
  • DE679602C - Device for winding ropes, wires, ribbons or threads in adjacent turns : de en
  • US2168551A - Holder for cross-word puzzles : en
  • DE679598C - High frequency line : de en
  • FR844972A - Feed control for machine tools, in particular for drilling machines : en fr
  • GB510975A - Improvements in envelopes of the link connected type : en
  • GB510931A - Method of emulsifying the essential principles of hops : en
  • DE679654C - Split insulating sleeve for electrical cables : de en
  • DE679734C - Rivet support, preferably for hand riveting : de en
  • US2168431A - Apparatus for marking strands : en
  • US2169008A - Cyanide salt bath : en
  • US2168340A - Method of and apparatus for grooving wire : en
  • AU572738A - Improvements in glass construction blocks and wall structures : en
  • DE679588C - Device for automatic amplitude or force control in vibration testing machines : de en
  • FR844953A - Device for controlling discharge tubes filled with gas or vapors : en fr
  • GB510942A - Improvements in composite films and methods of making the same : en
  • US2168717A - Stop device for movable parts on rotary reprinting machines : en
  • FR845062A - label with moving numbers, for price indication : en fr
  • GB510840A - Improvements in and relating to apparatus for filling valve bags : en
  • US2169167A - Wheel mounting : en
  • US2169131A - Compressor : en
  • US2169024A - Regulation : en
  • USD116039S - Design for : en
  • AT156720B - Glow electrode for electric discharge tubes. : de en
  • CA383326A - Television system : en fr
  • GB510997A - An improved manufacture of road coating or paving compositions : en
  • GB511025A - Improvements in friction pivots : en
  • GB511154A - Manufacture of plastic masses, films or lacquers from nitro-cellulose and chlorinated rubber or a chlorine-containing vinyl resin : en
  • CA383163A - Bearing : en fr
  • IE15297L - Chamber sulphuric acid process : en
  • US2168359A - Power-transmission gear : en
  • US2168785A - Light signal : en
  • US2169092A - Turbine-casing joint : en
  • USD116111S - Design fob a dress : en
  • DE679243C - Process for the production of flexible pipes or hoses made of polystyrene or similar plastics : de en
  • DE679766C - Process for mercerizing : de en
  • FR49843E - Electrical conductor and its manufacturing process : en fr
  • FR845061A - Method of manufacturing corsets, girdles and other articles of elastic fabrics : en fr
  • AU108095B2 - Improvements in and connected with draught couplings for wheeled vehicles : en
  • AT156730B - Vibration or vibration damper, in particular for oscillations or vibrations that occur during the operation of an internal combustion engine. : de en
  • USD116023S - Combined mask and respirator : en
  • US2168805A - Signaling apparatus : en
  • US2169067A - Attaching device for miner's lamp : en
  • US2168540A - Electric switch : en
  • USD116071S - Design fob an automobile bumper : en
  • DE679759C - Punching platen with swing-away closing frame : de en
  • US2168842A - Massaging device : en
  • US2169012A - Esterification of organic acids : en
  • USD116098S - Design for a fountain pen barbel : en
  • US2168693A - Sausage linker : en
  • US2169139A - Chair construction : en
  • US2168781A - Hearing device : en
  • AU108287B2 - Improvements in pipe joints : en
  • AU113674B2 - Improvements in or relating tothe recovery of acrolein from raw reaction mixtures containing acrolein : en
  • CA383200A - Non-condensible gas indicator in steam systems : en fr
  • CA383279A - Television receiver : en fr
  • AT156717B - Rotary switch. : de en
  • CA383312A - Vehicle brake locking device : en fr
  • US2168376A - Process for producing butter : en
  • US2168699A - Manufacture of oxidized petroleum acid compounds : en
  • US2168873A - Dry-sealing container : en
  • USD116033S - Design for a pull-cord cld : en
  • US2168481A - Apparatus for making prints : en
  • USD116027S - Design for a trailer coupler or : en
  • US2168515A - Apparatus for treating and blending molder's sand : en
  • US2168544A - Shelf arrangement : en
  • US2168894A - Artificial fish bait : en
  • CA383205A - Blood preserving process : en fr
  • DE679618C - Multipole electrical switch : de en
  • US2168880A - Telephone system : en
  • US2168671A - Safety lamp : en
  • US2168846A - Fluid treating of photographic film : en
  • USD116118S - Design for a dress : en
  • US2168362A - Evaporating apparatus and method : en
  • CA383250A - Hydrocarbon mixture cracking process : en fr
  • US2168311A - Blank for and method of making writing pens : en
  • US2168543A - Container forming machine : en
  • AT156659B - Photographic sector lock. : de en
  • CA383318A - Stretching and fitting device : en fr
  • US2168575A - System for transmitting angular motion : en
  • DE679683C - Barrel holder for automatic pistols : de en
  • DE679777C - House connection box : de en
  • US2168790A - Railway switch operating apparatus : en
  • AU108096B2 - Improvements in radio aerials : en
  • CA383209A - Tubular sheet material : en fr
  • US2168422A - Method of making boxes : en
  • US2168778A - Process of producing waterproof fibrous sheets : en
  • AT156737B - Spark plug for internal combustion engines with a valve that opens with every suction stroke in the cylinder. : de en
  • US2168697A - Electrode feeding mechanism : en
  • US2168982A - Collapsible bed : en
  • AT156687B - Pencil sharpener. : de en
  • AT156722B - Elastic printing form made of rubber for printing on completely or semi-rigid and uneven foils. : de en
  • US2168638A - Chemical plating : en
  • US2168701A - Automatic throw-over : en
  • DE679559C - Process for making correctable tracing linen and tracing paper : de en
  • DE679799C - Manufacture of processed cheese : de en
  • DE679696C - Calculating machine with printing mechanism and several counters : de en
  • GB510751A - Improvements in flying machines adapted to land on water, and especially in seaplanes : en
  • USD116029S - Design for a cuff link or similar : en
  • AT156670B - Bandwidth regulator for an intermediate frequency receiver with automatic adjustment by regulating the oscillator frequency. : de en
  • CA383276A - Circuit for cathode-ray tubes : en fr
  • US2168389A - Apparatus for making sandwiches : en
  • US2168570A - Solvent recovery : en
  • US2169082A - Tank stabilizer for anesthetizing machines : en
  • GB510797A - Improvements in or relating to clutches for conveying rotary motion : en
  • US2168512A - Air line trap : en
  • US2169141A - Relay : en
  • US2169050A - Sorting and classifying of flat sheets, tallies, cards, or the like : en
  • AT156727B - Ventilation device on a double window. : de en
  • DE679478C - Process for supplying cold rooms with fresh air : de en
  • AT156681B - Process for the production of a linoleum-like covering material. : de en
  • US2169061A - Continuous-film-treating apparatus : en
  • US2168901A - Covered joint piston ring : en
  • GB510927A - Magneto-strictive oscillator : en
  • US2168390A - Meat carrier for meat cooking devices : en
  • GB510827A - Improvements in or relating to high frequency electric arc furnaces for the production of oxides of nitrogen : en
  • CA383309A - Transparent fabric : en fr
  • FR49811E - Improved process and fitting for connecting ferrous metal tubes or pipes : en fr
  • FR845050A - Sulfur dioxide manufacturing process : en fr
  • CA383222A - Electromagnetic switch : en fr
  • GB510760A - Improvements in or relating to devices for stabilizing binder twine supply to harvesting mechanisms : en
  • GB511136A - Improvements in or relating to electrical signalling systems for use in the protection of power lines : en
  • CA383251A - Picture transmitting apparatus : en fr
  • US2169160A - Method for destroying sewage : en
  • CA383272A - Heat transfer apparatus for gaseous substances : en fr
  • US2168636A - Liquid dispensing system : en
  • US2169178A - Machine for making fastener stringers : en
  • GB510902A - Improvements in the manufacture and production of lacquers and plastic masses : en
  • GB511146A - Apparatus for filing drawings, plans and other large papers : en
  • DE679573C - Device to enable the simultaneous tuning of a plurality of different circuits of a device by mechanically coupled tuning means of moderate accuracy : de en
  • DE679586C - Floating hall for aircraft : de en
  • GB511150A - Improvements in electric light fittings : en
  • US2168971A - Method of increasing the effective speed of a photographic element : en
  • DE679619C - Regulation for induction motors with a contactor connected to the running voltage via a rectifier : de en
  • FR49809E - Device for regulating the action of the brakes in bends, particularly applicable to motor vehicles : en fr
  • FR844959A - Use of cellulose triacetate sheets for the manufacture of transmission belts : en fr
  • US2168750A - Production of metallic magnesium : en
  • USD116105S - Design for a pin clip : en
  • FR844966A - Vehicle wash station : en fr
  • GB510969A - Improvements relating to universal bails for typewriters : en
  • DE679491C - Adjustment device for lighting control devices : de en
  • FR845005A - Improvements to thermally controlled electrical switches : en fr
  • GB511007A - Improved closure cap for the cooling systems of internal combustion engines : en
  • GB510724A - Improvements in or relating to windows and the like : en
  • GB510799A - Improvements in and relating to apparatus for producing a continuous glass strip : en
  • FR845093A - Improvements to drills : en fr
  • GB510944A - Improvements in or relating to the coating and impregnating of materials : en
  • GB511022A - Improvements in and relating to the production of hard plates from vegetable fibre pulp : en
  • GB510891A - Improvements in or relating to derivatives or compounds of tannic acid : en
  • FR49831E - Sulfate enhancements : en fr
  • FR49801E - Synthesis of alcohols and hydrocarbons : en fr
  • GB510737A - Improvements in or relating to stepless discharge control of piston compressors : en
  • US2168614A - Air conditioning : en
  • GB510794A - Improvements in or relating to machines for opening eggs and collecting the contentsthereof : en
  • GB510976A - Vehicle window guide : en
  • GB511152A - Improved dartboard : en
  • GB510977A - Improvements in and relating to overall chains or girdles for road vehicle wheels : en
  • DE679629C - Cigar or cigarette holder with wedge-shaped, wave-shaped clamping surfaces : de en
  • GB510856A - Improvements in and relating to coin-operated vending apparatus : en
  • GB510899A - Improvements in preparation of pale coloured alkyd resins : en
  • AU388738A - Improved method and apparatus for forming sealed hollow articles of glass : en
  • US2168468A - Manufacture of fluid phosphatide preparations : en
  • US2168577A - Rail and wheel flange lubricator : en
  • US2168845A - Vehicle brake : en
  • US2168868A - Plain knit ornamented fabric : en
  • US2169064A - C clamp : en
  • USD116051S - Design for a fur collar : en
  • AU342138A - Method of printing and decorating felt base floor coverings : en
  • GB510744A - Adjustable supporting means for lamps or other movably suspended articles : en
  • US2168821A - Traction sprayer : en
  • US2168534A - Process of waterproofing textile material and the material thus obtained : en
  • US2168538A - Combined typewriting and computing : en
  • US2168973A - Automobile-hood lock : en
  • USD116093S - Advertising display : en
  • USD116114S - Design for a skirt or similar article : en
  • US2168806A - Power-transmitting apparatus : en
  • US2168473A - Switch for a fluid operated device : en
  • US2168635A - Door holder : en
  • FR845112A - Suspended vehicle : en fr
  • GR8428B - POWDER RESTRAINTING SYSTEM DURING BAKING OF CEMENT BY WATER OR SHOOTING BY SHOWCASTERS OR BOTH COMBINATION : el en
  • US2168464A - Roentgenometer : en
  • US2168826A - Sound-recording disk : en
  • GB510727A - Improvements in and relating to electric measuring instruments : en
  • GB510815A - Improvements in seed separating machines : en
  • FR845084A - Process for obtaining high resistance woven felts : en fr
  • DE679674C - Candy stamping machine : de en
  • FR845146A - Remote control device for moving parts and remote indication of their position : en fr
  • GB510895A - Improvements in the control of radio receivers : en
  • AU108126B2 - Improvements in or relating to electron discharge device oscillators : en
  • US2168780A - X-ray tube : en
  • AT156744B - Arrangement for the construction of electrical screen means. : de en
  • CA383283A - Reinforced paper : en fr
  • US2169136A - Artificial brick corner construction : en
  • US2169169A - Stretch roll : en
  • AT156651B - Circuit for generating tilting vibrations of high frequency constancy, in particular for electrical musical instruments. : de en
  • DE679719C - Gas or vapor-filled electrical discharge vessel : de en
  • CA383198A - Engine heater : en fr
  • CA383284A - Oil refining process : en fr
  • CA383230A - Paper pulp manufacture : en fr
  • DE679649C - Permanent joint insert, especially for concrete pavements : de en
  • GB510859A - Improvements in or relating to a method of making sponge rubber : en
  • CA383304A - Wave guide impedance element and network : en fr
  • CA383164A - Sink : en fr
  • AT156742B - Injection internal combustion engine with a cranking device, in particular an electric starter, and with an injection pump. : de en
  • CA383167A - Grinding or polishing device : en fr
  • CA383238A - Furnace electrode suspension : en fr
  • AT156675B - Mufflers for internal combustion engines. : de en
  • US2168731A - Animal-carcass tongue protector : en
  • GB511020A - Apparatus for forming a uniform tobacco layer of cut tobacco : en
  • USD116107S - Design for a pin clip : en
  • US2168528A - Exhaust passage of two-stroke internal combustion engines : en
  • US2168584A - Water purifying and degasifying apparatus : en
  • US2169180A - Ice tray : en
  • USD116106S - Design for a pin clip : en
  • DE679725C - Truss : de en
  • US2168440A - Antiskid device for automobiles : en
  • US2168476A - Fish lure : en
  • US2169084A - Firearm : en
  • DE679693C - Device for adjusting the electrodes of electric arc furnaces : de en
  • US2168945A - Swimming gear : en
  • US2168917A - Apparatus for coating pipes and the like : en
  • US2168849A - Process of concentrating ores : en
  • US2168349A - Trichlor methyl aromatic carbinol : en
  • US2169009A - Method of color correction for color photography : en
  • CA383229A - Cartridge belt filling and emptying device : en fr
  • US2168348A - Cellulosic composition and method of preparing same : en
  • USD116067S - Design for a harmonica : en
  • US2168395A - Funnel construction : en
  • US2168655A - Power transmission : en
  • DE679579C - Shower for medical, surgical and hygienic purposes : de en
  • DE679560C - Printing press : de en
  • GB510765A - Improvements in and relating to fish-cleaning apparatus : en
  • GB510959A - Improvements in the manufacture of acetic anhydride : en
  • US2168598A - Separable fastener : en
  • US2168323A - Rotary card index : en
  • US2168779A - Concrete pump : en
  • US2169103A - Laminated mesh roller shade : en
  • AT156718B - Process for the production of magnetizable mass cores. : de en
  • US2168871A - Ventilated buff : en
  • US2169101A - Thermocouple wattmeter : en
  • US2169115A - Refrigerator : en
  • US2168600A - Epicyclic change speed gear : en
  • US2168853A - Machine for cutting tubing : en
  • US2169116A - Product meter : en
  • US2168864A - Telephone pay station : en
  • CA383327A - Photo-electric device : en fr
  • AU418138A - An improved device for minimising the effect of arcing on opening electrical contacts : en
  • GB510776A - Improvements in hermetically sealed cans with opening keys therefor : en
  • GB510967A - Electron discharge apparatus : en
  • GB511009A - Improvements in and relating to door locks : en
  • USD116064S - Design for a pin : en
  • CA383294A - Cellulose acetate and gelatine layer uniting process : en fr
  • US2169004A - Low dye retention sub for photographic film : en
  • US2169154A - Current collector : en
  • FR845107A - Edible capsules and containers for the presentation and use of powdered condiments and other food products : en fr
  • GB510800A - Improvements in rotary duplicators : en
  • GB510947A - Machine for filling and closing of receptacles : en
  • FR845025A - Improvements to manometric devices : en fr
  • GB511175A - Improvements in automatic calculating apparatus : en
  • DE679673C - Light metal pistons, in particular aircraft engine pistons : de en
  • DE679786C - Device for straightening curved legs : de en
  • US2169022A - Display device : en
  • US2168686A - Hypodermic syringe and cartridge : en
  • US2168391A - Baking and cooking oven : en
  • US2168738A - Mowing machine : en
  • US2168932A - Gear-cutting machine : en
  • AT156661B - Push-pull amplifier with constant grid bias. : de en
  • AU108098B2 - Improved method and apparatus for forming sealed hollow articles of glass : en
  • CA383282A - Thallium salt of styphnic acid : en fr
  • GB510728A - Improvements in or relating to float-operated valves : en
  • GB511011A - Improvements relating to mirrors or looking glasses : en
  • GB511012A - Spring, particularly for valves of internal combustion engines : en
  • GR8429B - AUTOMATIC NEUTRALIZATION SYSTEM OF VARIOUS VOLTAGE OF ELECTROMAGNETIC WAVES : el en
  • US2169085A - Circuit breaker : en
  • CA383195A - Ink fountain typing machine : en fr
  • CA383303A - Electric condenser : en fr
  • GB510991A - Sheet or signature feeding and gathering : en
  • GB510839A - Improved method and apparatus for making multicellular glass : en
  • GB511195A - Improvements in or relating to adjusting devices for sighting telescopes : en
  • FR845140A - Process and installation for the production of guide surfaces for the landing of airplanes : en fr
  • DE679596C - Objects that are resistant to intergranular corrosion : de en
  • USD116014S - Design fob a bug : en
  • US2168594A - Closure cap : en
  • CA383330A - Electrical control apparatus : en fr
  • DE679589C - Multi-piston pumps, especially fuel pumps for internal combustion engines : de en
  • CA383259A - Fluid distribution valve : en fr
  • CA383320A - Roofing lap joint : en fr
  • GB511173A - Improvements in presses : en
  • DE679502C - Letterhead : de en
  • DE679539C - Means to prevent fungus and mold growth on walls, ceilings and the like Like. And method of making the agent : de en
  • US2168319A - Heavy duty scraper : en
  • US2168508A - Relaxation oscillation generator : en
  • GB511166A - Improvements in or relating to surgical dressings and the manufacture thereof : en
  • US2168590A - Catalytic alkylation of aromatic hydrocarbons : en
  • AU340038A - Improved construction of walls of houses : en
  • CA383204A - Cloth feed control apparatus : en fr
  • US2168882A - Two-way plow : en
  • US2168703A - Skinning knife : en
  • US2169016A - Synchro-tie control : en
  • US2169197A - Seat structure : en
  • US2168694A - Ruling instrument : en
  • GB511004A - Improvements in and relating to spectacle frames made of natural or artificial shell : en
  • US2168567A - Brake lever safety device : en
  • AT156676B - Contactor with switching coil connected to the operating voltage and self-holding contact. : de en
  • DK56519C - Double-acting seed combustion engine. : da en
  • US2169138A - Adjustable bed rail connector : en
  • US2169003A - Photosensitive material : en
  • AT156732B - Gear for stepless regulation of the gear ratio of two parallel or coaxial shafts. : de en
  • AU314738A - Improvements in or relating to regulating nozzles for liquid fuel burners : en
  • DE679490C - Control of scanning and display arrangements for push-pull recordings : de en
  • US2168788A - Mechanically moving toy : en
  • AU108170B2 - Elastic webbing : en
  • CA383299A - Pressure applying machine to shoe bottoms : en fr
  • DE679670C - Open watch or jewelry bracelet with two rigid, spring-connected retaining brackets : de en
  • US2168640A - Rotary-drill well bit : en
  • US2169107A - Stock gripping means : en
  • USD116079S - Design fob a radio cabinet ob similab : en
  • DE679513C - High-frequency transmitter with several tube stages coupled to one another by transformers : de en
  • DE679686C - Stem regulator : de en
  • GB510845A - A method of self-stripping an ingot from a mould : en
  • AT156721B - Austenitic filler metal for welding non-austenitic steels and gray cast iron. : de en
  • FR49838E - Auto Lid Eyeshadow Tube : en fr
  • FR845047A - Protective devices for electromagnetic relays or the like : en fr
  • AT156734B - Piston. : de en
  • US2168429A - Drink mixer : en
  • USD116122S - Design for a dress ensemble : en
  • GB510757A - Improvements in or relating to the manufacture of cast iron : en
  • GB510817A - Improvements in or relating to filters : en
  • FR845092A - Elastic tire tire : en fr
  • FR844969A - Vehicle with rear engine and aerodynamic body : en fr
  • GB510734A - Improvements relating to cooling beds : en
  • GB510853A - Printing telegraph signalling systems and devices relating thereto : en
  • US2168589A - Transmission system : en
  • US2168919A - Seat guard : en
  • US2168696A - Rug : en
  • USD116031S - Design for a can opener : en
  • CA383301A - Plate valve : en fr
  • US2168325A - Fluid composition : en
  • US2168705A - Nasal inhaler : en
  • CA383181A - Emergency lighting unit : en fr
  • CA383258A - Blasting detonator : en fr
  • FR845116A - Method and device for the extraction of materials and mixtures of materials : en fr
  • GB510723A - Improvements in or relating to the condensation of steam : en
  • US2168506A - Process for treating food products : en
  • US2168892A - Cathode ray device : en
  • CA383165A - Cuff : en fr
  • FR844988A - Improvements to pose-meters : en fr
  • FR845141A - Improvements in means of preventing ice formation on wings and other parts of an airplane : en fr
  • FR845073A - Reversible amplifier : en fr
  • US2168663A - Plug type switch : en
  • US2168439A - Safety locking means for speed variating mechanism of liquid dispensing apparatus : en
  • US2168680A - Control system for heating plants : en
  • US2168889A - Method and apparatus for extruding materials : en
  • CA383246A - Phthalocyanine series salt-like compound production : en fr
  • GB511000A - Improvements in or relating to heat transfer : en
  • FR845030A - Further development in electric induction furnaces : en fr
  • GB510903A - Improved spraying apparatus for liquids : en
  • GB510904A - Improvements in the manufacture and production of unsaturated nitrogenous condensation products : en
  • US2168643A - Drag bucket control : en
  • US2168933A - Purification of gases : en
  • AU108094B2 - Improvements in helically welded metal pipes : en
  • CA383215A - Non-temperable package : en fr
  • DE679620C - Overload and short-circuit protection circuit for electrical machines and devices with high currents : de en
  • US2168555A - Continuous conveying apparatus : en
  • DE679552C - Sieve drum : de en
  • GB510775A - Improvements in warning and stopping devices for knitting machines : en
  • GB510730A - Improvements relating to voltage control in rectifying arrangements : en
  • US2168997A - Liquid applying pan : en
  • US2168660A - Salts of dihexahydrocresyl sulphophthalates : en
  • US2169124A - Needle threader : en
  • US2168497A - Abrading tool : en
  • US2168514A - Safety tube : en
  • US2168536A - Pressure regulating device for aircraft instruments : en
  • GB510813A - Improvements in or relating to the treatment of meat : en
  • US2168585A - Wrapper : en
  • GB511038A - Method of rendering a powder free flowing : en
  • GB510732A - A new or improved means for spacing button holes in articles of clothing : en
  • GB510758A - Machine for generating helicoidal surfaces : en
  • DE679531C - Arrangement for measuring or precisely comparing alternating voltages of any frequency : de en
  • US2168578A - Hydraulic shock absorber control for railway cars : en
  • DE679666C - Method and device for the production of cell silos with rib roofs using sliding formwork : de en
  • GB511151A - Improvements in or relating to the mounting of firearms in aircraft : en
  • US2169077A - Automatic electric control for liquid fuel burners : en
  • FR845040A - Improvements in the manufacture of artificial threads : en fr
  • FR845056A - Process for the transformation of hydrocarbons into a vulcanizable mass having the qualities of natural rubber : en fr
  • DE679487C - Spring clip for runners and carpet edging rails : de en
  • FR844999A - Combined safety device for artillery projectile rockets : en fr
  • FR844967A - Tachometer compass : en fr
  • FR845053A - Device for feeding a group of hydraulically compressed disc clutches : en fr
  • US2168668A - Injector nozzle : en
  • US2168772A - Work-holding vise : en
  • US2168844A - Production of glutaric acid : en
  • US2168891A - Control mechanism for gas and liquid storage apparatus : en
  • IE15828L - Autographic registers : en
  • FR49824E - Method and devices for transforming illumination variations into mechanical actions : en fr
  • US2168406A - Method of making cutting blades : en
  • US2168896A - Method of creping and coating paper : en
  • USD116096S - Design fob a brooch ob similar : en
  • DE679493C - Device for recording, playing back or copying sound films with several sound recording series : de en
  • US2169019A - Modulation circuit : en
  • GB510924A - Improvements in, or relating to wall structures : en
  • US2169145A - Cushion slide for furniture : en
  • GB510830A - Cross talk reduction : en
  • FR49827E - Device for adjusting headlights mounted on motor cars : en fr
  • US2169070A - Corn harvester : en
  • FR845000A - Stop mechanism for the adjustment and blocking of seats and loungers, and loungers including the application : en fr
  • FR845034A - Process for the preparation of unsaturated ketones having the backbone of sterins : en fr
  • GR8426B - ELECTRIC LAMP PIPE TUBE FORM WITH ARRANGEMENT Casing MADE OF INSULATING MATERIAL : el en
  • US2168568A - Sewing machine : en
  • US2169122A - Method for treating sands and other granular materials : en
  • DE679646C - Process for enhancing grape, fruit and berry wines and musts : de en
  • DE679528C - Procedure for determining the mutual position of two vehicles : de en
  • DK56530C - Layers for Transport Buckets. : da en
  • AT156678B - Device with an electric discharge tube. : de en
  • DE679551C - Device for the production of compressed fuel gas air mixtures for internal combustion engines : de en
  • DK56531C - Tower for the Treatment of Granular Material. : da en
  • US2168482A - Mechanical detonator : en
  • GB510861A - An improved process for the production of copper free from oxygen and other gases : en
  • FR845002A - Device for unclogging sinks : en fr
  • GB510742A - Improvements in and relating to flexible sliding shutters and like closures, such as for gun turrets on aircraft : en
  • FR845130A - New stitch for making embroidery and resulting product : en fr
  • FR844961A - Dynamic self-timer projectile and relay : en fr
  • GB510743A - Improvements in the manufacture and production of substances having tanning action : en
  • DE679483C - Process for the wet desulphurization of ammonia-containing carbon distillation gases : de en
  • CA383271A - Heat transfer apparatus for liquids : en fr
  • DK56528C - Storm hook for Windows and Doors. : da en
  • FR845099A - Moving target : en fr
  • US2168899A - Vacuum cleaner : en
  • AT156657B - Hydraulic motor for deep drilling, in which a cylinder carrying the bit moves up and down in relation to a piston located on the rod. : de en
  • DE679419C - Process for the production of potassium oxalate from potassium formate : de en
  • AU361339A - Play balls and their process of manufacture : en
  • DE679584C - Holder for open-topped, handle-less, cylindrical vessels, such as tin cans or the like. : de en
  • US2168687A - Collar holder : en
  • US2168743A - Tennis scoring device : en
  • GB510992A - Improved process for the manufacture of explosives or priming substances : en
  • GB510863A - Improvements in or relating to valve rocker push rods for internal combustion engines : en
  • GB510805A - Improvements in smokers' ash-trays : en
  • GB510833A - Systems for matching impedances aperiodically : en
  • DE679721C - Automatic electrical flash-welding machine, in which the feed mechanism for the workpiece is designed like an arc lamp set of rules : de en
  • DE679655C - Explosive, flameproof encapsulated electrical machine : de en
  • FR845098A - New process and new device for the direct manufacture of steel and other metals from ore : en fr
  • GB510929A - Improvements in or relating to machines for the manufacture of patterned knitted and woven goods : en
  • FR49821E - Advertising correspondence card or other : en fr
  • GB511003A - Improvements in aerofoils for aircraft : en
  • US2169128A - Method of producing hydrogen peroxide from solutions : en
  • DE679545C - Scoring knife box for wood wool machines : de en
  • DE679571C - Leaf spring hangers for rail vehicles : de en
  • US2168469A - Antifriction bearing : en
  • GB510966A - Improvements in or relating to absorption refrigerating apparatus : en
  • DE679633C - Support frame for damp oil paintings in stretcher frames and for painting equipment : de en
  • GB510919A - Improved device for varying the damping of a tuned oscillatory circuit : en
  • DE679525C - Heavy oil burners for household purposes : de en
  • DE679474C - Process for the production of nitric acid : de en
  • DE679520C - Musical instrument with one or more electrical or mechanical-electrical sound generators : de en
  • DE679659C - Process for improving dental and oral care products : de en
  • DE679665C - Twin-engine winch for taking up seaplanes, boats, etc. : de en
  • FR49812E - Chain sprocket with variable diameter and constant pitch : en fr
  • GB510793A - Improvements in or relating to the production of metallic coatings or layers by the vaporisation of alloys in a high vacuum : en
  • US2168742A - Adjustable flush regulator : en
  • US2168324A - Fastening device : en
  • USD116063S - Design for a lighting fixture or : en
  • DE679476C - Matrix setting and line casting machine, the keys of which are to be switched over to different yokes for releasing matrices from the magazine via selector rails to be shifted in the set : de en
  • DE679700C - Device to avoid glare from headlights : de en
  • FR49841E - Apparatus for improving the combustion of black liquors from the manufacture of pulp and the like : en fr
  • FR845065A - Improvement of the bearings and upper raceways of garage shed doors on the coast : en fr
  • US2168607A - Container and detachable pouring spout : en
  • US2169119A - Battery lifter : en
  • DE679601C - Process for the production of carbon-oxide-hydrogen mixtures from gaseous or vaporous hydrocarbons : de en
  • AT156672B - Device for determining the chronaxie by means of capacitor discharges. : de en
  • CA383191A - Animal trap gun : en fr
  • CA383264A - Knitting machine : en fr
  • US2168516A - Typewriting machine : en
  • US2169049A - Drum controller : en
  • US2169195A - Production of vitamin a esters : en
  • US2168872A - High voltage and high vacuum discharge device : en
  • US2168986A - Overhead carrier : en
  • US2168808A - Acceleration of vinyl halide polymerization : en
  • US2168369A - Barrette : en
  • US2168356A - Snap-on bumper guard : en
  • US2168615A - Transport tank structure : en
  • AT156748B - AC commutator machine. : de en
  • US2169168A - Damper regulator : en
  • AU319038A - Improvements relating to pneumatically operated sheep clippers : en
  • AU328439A - Improvements in and relating to lighting gas-heated apparatus : en
  • CA383311A - Liquid dispenser control device : en fr
  • US2169134A - Support for stocking forms : en
  • USD116108S - Design for a pillowcase : en
  • DE679564C - Safety razor : de en
  • DE679644C - Melt contact fire alarm : de en
  • DE679544C - Flexible heatable or coolable insert plate for veneer molding presses : de en
  • US2168851A - Process for the removal of mercaptans from mercaptide solutions : en
  • USD116110S - Design for a foundation garment : en
  • US2168740A - Sewing machine : en
  • US2168337A - Cellulosic structure and method for preparing same : en
  • GB511015A - Improvements in or relating to a device for coating slide surfaces of cylinders with graphite : en
  • US2168487A - Episcopic apparatus : en
  • US2168344A - Lubricating means for thrust bearings : en
  • US2168876A - Method of fabricating cosmetic holders : en
  • US2168331A - Cast resin with integral sheen : en
  • US2168807A - Metal-spraying pistol : en
  • US2168838A - Apparatus for grading material : en
  • GB511054A - Improvements in and relating to the manufacture of threads, films, ribbons, tubes and like forms of polymerised ethylene : en
  • AT156710B - Interference suppression device. : de en
  • AU316738A - Improvements in or relating to electric discharge lamps comprising refractory body adapted tobe heated to incandescence bythe discharge : en
  • FR49823E - Metal case for hunting cartridges : en fr
  • FR845080A - Road edges : en fr
  • GB510789A - Improvements in or relating to gyro-magnetic compasses : en
  • GB510965A - Improvements in and relating to cardboard or like boxes or containers : en
  • GR8423B - SHIP DESTROYING THE TORPILL INTO THIS : el en
  • US2168488A - Work placing method and means for gear cutting machines : en
  • US2168684A - Vehicle automatic signal : en
  • DE679627C - Filling device on nailing machines : de en
  • GB510753A - Improvements relating to carburettors for internal combustion engines : en
  • US2168421A - Support : en
  • US2169110A - Repulsion lightning arrester : en
  • USD116084S - Design for a pin cup : en
  • GB510828A - Improvements in electric discharge devices : en
  • USD116017S - Design for a perfume bottle or : en
  • US2168761A - Device for viewing films : en
  • GB511140A - Improvements in or relating to domestic stoves : en
  • US2168624A - Automobile lift platform : en
  • US2169069A - Pipe union and fitting : en
  • US2168410A - Smoker's dry-pipe pin : en
  • US2168881A - Telephone system : en
  • FR845044A - Improvements to valve distributions for pressurized fluid engines : en fr
  • FR845078A - Spark plug improvements : en fr
  • USD116004S - Design for a combined water and ice : en
  • GB510777A - Improvements in means for discharging liquid fuel deposit or overflow from the carburetters and suction or charging pipes of internal combustion engines : en
  • GB511010A - Improvements in or relating to tube and the like mills : en
  • GB510852A - Improvements in process and apparatus for deodorization of animal and vegetable oils : en