• US2072025A - Temperature controlling system : en
  • USD103355S - Design fob a buckle : en
  • US2071438A - Method of and means for producing slivers or ends of fibrous materials : en
  • US2071615A - Lubricating device : en
  • USRE20277E - Banding machine : en
  • CH189474A - Pump for corrosive liquids. : de en
  • CH189465A - Pyrophoric lighter. : en fr
  • AU193336A - Improvements in and relating to laundry machines : en
  • CH189380A - Device for the smooth removal of the thread from a textile spool. : de en
  • PL24477B1 - Method for removing resinous substances from gas pipelines. : en pl
  • US2071763A - Process for the separation of gas mixtures : en
  • PL24402B1 - The bearing of the wheel, in particular the front wheel of a car or other vehicles. : en pl
  • FR809175A - New catalyst and its applications : en fr
  • FR809181A - Projectile whose center of gravity is placed in front of the center of resistance : en fr
  • US2071695A - Control mechanism for carburetors and the like : en
  • US2071474A - Fishing reel : en
  • CA364291A - Sulphur and metallic oxide recovery : en fr
  • US2071873A - Signaling apparatus : en
  • CH189463A - Front collar button. : de en
  • US2071736A - Dust guard : en
  • US2071989A - Inhibitor for pickling and cleaning solutions : en
  • US2071644A - Combination trunk, bed, and tent : en
  • US2071963A - Clasp brake : en
  • CA364298A - Molybdenum white iron casting : en fr
  • CH189399A - Cigarette tube. : en fr
  • US2071344A - Method of making a translucent picture projection screen : en
  • GB461915A - Improvements in or relating to lathes or similar machine tools : en
  • US2071913A - Lubrication system : en
  • US2071995A - Apparatus for the control of highway crossing signals : en
  • BE419460A - : en
  • PL24472B1 - Ki. $ 53, 7. : en pl
  • US2071796A - Tip-wagon : en
  • CA364373A - Granular material volume, weight and density determining apparatus : en fr
  • CH189557A - Process for the preparation of 2-amino-5,4'-dichlorodiphenyl sulfone. : de en
  • US2072037A - Letter scale : en
  • CA364358A - Electrical rectifier : en fr
  • CA364374A - Outboard motor : en fr
  • CH189482A - Self-acting, thermostatically controlled throttle valve. : de en
  • GB461703A - Improvements in electric clocks : en
  • PL24452B3 - A furnace for burning coal in coke furnaces for central heating, built of cast iron. : en pl
  • US2071390A - Apparatus for cementing wells : en
  • GB461787A - Improvements in or relating to percussive attachments for drilling machines : en
  • GB461896A - The manufacture of compounds of the cyclopentano polyhydro phenanthrene series : en
  • PL24439B1 - Oil tray. : en pl
  • US2071630A - Multiple electrode thermionic tube : en
  • CA364269A - Voltage deviation reacting device : en fr
  • FR809284A - Process for obtaining fancy yarns and device for making it : en fr
  • GB461704A - Improvements relating to cheese cutters : en
  • GB461898A - Improvements in cellular boards or panels : en
  • FI17413A - Sätt och anordning för automatic regering av mergationsgraden resp. consistency in the operation of the substance or mixture : en fi
  • CA364319A - Television system : en fr
  • PL24396B3 - The method of nitride granulation. : en pl
  • CH189473A - Rotary lobe compressors. : de en
  • CH189500A - Torch. : en fr
  • US2071804A - Acyl octahydrofollicle hormones and their production : en
  • US2072005A - Pianoforte construction : en
  • US2071352A - Pencil sharpener : en
  • US2071610A - Wrapping device : en
  • GB461702A - Improvements relating to suction cleaners : en
  • SU48384A1 - Moving around for formwork for waterproofing works in a tunnel : en ru
  • US2071486A - Sanitary container : en
  • US2072073A - Iron metallurgy : en
  • US2071994A - Thiazole trimethine cyanines : en
  • GB461714A - Improvements relating to railway tracks for use more especially in collieries : en
  • GB461789A - Improvements in escutcheons for locks and latches : en
  • GB461962A - Improvements relating to ship construction : en
  • US2071481A - Dyed lubricating oil : en
  • US2071818A - Pickling apparatus : en
  • US2071833A - Alternating-current compensator : en
  • PL24482B1 - Braking device. : en pl
  • US2071870A - Motor compressor unit : en
  • US2072024A - Drawworks : en
  • US2072068A - Resinous products or compositions and process of making same : en
  • DE642193C - Oven with a second oven arranged above a steam-heated oven : de en
  • USD103360S - Design for a bottle : en
  • US2071647A - Shaped rubber sponge : en
  • DE642132C - Method of attaching heels to shoes : de en
  • DE642122C - ambulance : de en
  • FR809299A - Advertising attraction for display : en fr
  • US2071891A - Filter : en
  • DE642260C - Process for the production of concentrated, water-containing solutions of medicinal substances which are water-heavy or insoluble : de en
  • FR809243A - Plastics and articles made from them : en fr
  • GB461719A - Improvements in or relating to key holders : en
  • AT148744B - Device for determining the necessary number of stitches or rows in hand knitted goods. : de en
  • US2071551A - Apparatus for voltolization : en
  • CA364376A - Laminated glass : en fr
  • US2071925A - Ship construction : en
  • GB461806A - Improvements in machines for dressing fish : en
  • PL24373B3 - A method for producing cyclic a-cyanoketoimides and cyclic a-cyanoketones. : en pl
  • US2071971A - Split-ring barrel closure construction : en
  • DE642241C - Striker trap : de en
  • AT148735B - Inlet regulators for circulating steam heaters for railway vehicles. : de en
  • AU100288B2 - Improvements inthe toe fashioning of full-fashioned hosiery : en
  • FR809176A - Improvements made to asymmetric free-piston compressors : en fr
  • GB461823A - Improvements in or relating to pipe grips : en
  • PL24395B1 - A method of producing rubber articles from natural or artificial rubber dispersions. : en pl
  • FR809108A - Device for regulating the flow, dividing and expanding fluids : en fr
  • FR809281A - Trainer rake for straw balers : en fr
  • USD103319S - Design fob a cooking stove : en
  • US2071844A - Windrow harvester : en
  • FR809270A - Improvements to jets for spray nozzles : en fr
  • GB461785A - Improvements relating to inking devices for laundry marking machines and other printing machines : en
  • GB461797A - Improvements relating to the treatment of difficultly volatilisable liquid fuels for internal combustion engines : en
  • US2071437A - Pumping unit : en
  • US2071532A - Waste pipe trap plug : en
  • GB461855A - Improvements relating to powder boxes : en
  • DE642085C - Fastening device for harrow tines : de en
  • FI17418A - Frihjulsbromsnav med bromss pärrning : en fi
  • GB461775A - Improvements in protective shields for electrical welders : en
  • GB461908A - Improvements in, or relating to, shearing heads for sheep and other animals : en
  • FR809142A - Method of regulating the action of water in the autogenous hardening of surfaces : en fr
  • GB461733A - Improvements in and relating to electric ovens provided with temperature regulating devices : en
  • GB461783A - Improvements in or relating to electric multi-way plug-adapters : en
  • CH189507A - Process for the production of an agent for producing permanent waves in hair. : de en
  • DE642188C - Device for automatic parallel switching of electrical machines : de en
  • DE642181C - Suction jet water wheel with closed, unventilated housing : de en
  • DK52743C - Swimming or Rescue Equipment. : da en
  • FR809041A - Improvements to crucible furnaces : en fr
  • FR809135A - Pest-destroying products and processes for their use : en fr
  • GB461862A - Improvements in and connected with valves of two-stroke internal combustion engines : en
  • AU58836A - Improvements relating to burners for oil-fired water heaters : en
  • FR809103A - Power supplies and amplification : en fr
  • DE642228C - Drive and support device for track strips in track belt vehicles : de en
  • USD103371S - Design for a dress : en
  • US2071406A - Weight indicating and printing mechanism : en
  • US2071426A - Luminous discharge tube : en
  • USD103365S - Design fob a transmitter cover : en
  • PL24476B1 - Method of obtaining phenols from wastewater. : en pl
  • US2071704A - Process fok producing tetrahydro : en
  • GB461929A - Improvements relating to windows : en
  • DE642225C - Automatic trailer coupling for semi-trailers : de en
  • DE642276C - Lubricator : de en
  • USD103335S - Design for a textile fabric : en
  • PL24410B1 - Chassis without a frame, especially for vehicles with defective rear skewers. : en pl
  • DE642097C - Doll made of celluloid and other thin-walled material, the limbs of which are movably connected with their spherical ends to the hollow body of the doll : de en
  • US2071604A - Well tool construction : en
  • FI17379A - Förfaringssätt för framställning av kreperade resp. krusade konsttrådar : en fi
  • FR809149A - Device for transporting and supplying cementable mortar, respectively stone, for machines for placing concrete road surfaces : en fr
  • GB461640A - Improvements in machines for manufacturing metallic network : en
  • GB461941A - Improvements in friction gearing : en
  • FR809204A - Shuttle box control mechanism for looms : en fr
  • GB461716A - Improvements in metallic screens, stencils and the like and formation thereof : en
  • DE642231C - Electric display device for shooting targets : de en
  • GR6322B - CHEMICAL METHOD OF INDUSTRIAL MANUFACTURE OF ARTIFICIAL SERIES. : el en
  • FR809085A - Apparatus for cutting edges of pieces of fabric : en fr
  • FR809079A - Improvements to cathode ray oscillographs : en fr
  • US2071555A - Process for producing a completely insulating air and acidproof protective coating especially for mirrors : en
  • US2071909A - Method of fractional distillation : en
  • US2071714A - Motor vehicle : en
  • US2072061A - Production of alkyl substituted aryl hydrocarbons : en
  • DE642215C - Silencer for internal combustion engines : de en
  • FR809116A - Method and device for molding hollow objects : en fr
  • FR809122A - Capping device for bottles and other containers : en fr
  • GB461652A - Improvements in or relating to matchbox holders : en
  • FR809209A - Improvements to the intake systems of internal combustion engines : en fr
  • CH189515A - Telephone receiver. : de en
  • US2071343A - Burglar alarm switch : en
  • US2071864A - Collapsible core and method of making and using the same : en
  • US2071898A - Sensitized photographic silver halide emulsions : en
  • PL24425B1 - Turning capacitor. : en pl
  • GB461975A - Improvements in or relating to pipe bending machines : en
  • GB461639A - Improvements in or relating to electric welding apparatus : en
  • GB461725A - Improvements in collars for personal wear : en
  • GB461869A - A process for the production of phosphatic fertilisers : en
  • US2071915A - Machine for coating printers' rollers : en
  • FR809036A - Diorama-distributor : en fr
  • DE642049C - Coking device with internally heated heating walls and coking chambers that can be changed in width in between : de en
  • FR809002A - Toy : en fr
  • FR809101A - Electric control device for hour-mileage meters : en fr
  • GB461634A - Improvements in or relating to photographic cameras furnished with range finders : en
  • DK52735C - Alarm device for electrical installations installed in motor vehicles. : da en
  • US2071574A - Garment and belt means therefor : en
  • US2071791A - Venetian blind : en
  • CH189462A - Transparent mirror with slide. : de en
  • FR809274A - Lifting table for rolling mills : en fr
  • GR6316B - METHOD FOR PRESERVATION AND PACKAGING OF CITRUS AND OTHER FRUITS. : el en
  • US2071681A - Cementitious composition and process of making the same : en
  • US2072017A - Clothes hanger : en
  • US2072058A - Clutch structure : en
  • US2071583A - Method of making bellows : en
  • GB461911A - A combined air conditioner and electric light fitting : en
  • GB461924A - Improvements in vehicles for carrying liquids : en
  • FI17391A - The provisions of this Regulation are based on the importance of rubber and oil : en fi
  • DE642205C - Process for the production of rubber and hard rubber articles : de en
  • GB461857A - Improvements in or relating to re-inforced india rubber and other plastic articles : en
  • US2071800A - Fuel pump : en
  • US2071967A - Recording instrument : en
  • US2071993A - Trimethine cyanine dyes : en
  • PL24422B1 - : en pl
  • FR809244A - Hydraulically actuated friction clutch : en fr
  • GB461758A - Process for the separation of volatilised liquids from gaseous mixtures : en
  • CH189506A - Method of making plaster bandages. : de en
  • BE419497A - : en fr
  • US2071550A - Oil filter and method of assembling the same : en
  • DE1399860U - : de en
  • GB461937A - Improvements in or relating to liquid dispensers : en
  • FR809207A - Improvements made to automatic emergency call transmitters by a subscriber line to an automatic telephone exchange : en fr
  • FR809026A - Self-propelled or tractor with steam and condensation : en fr
  • FR809273A - Improvements to electronic metal lamps : en fr
  • GB461644A - Improvements in and relating to "crown" caps for bottles and other like containers : en
  • GB461643A - Improvements in rims and wheels for pneumatic tyres : en
  • GB461950A - Improvements in flooring units for swimming bath dressing rooms and cabins : en
  • GB461657A - Rubber shoes for horses : en
  • US2071469A - Storage battery : en
  • US2072009A - Loading machine for mines : en
  • US2071595A - Arc dissipating device : en
  • FR809045A - Extendable support for foundry cores : en fr
  • CH189532A - Packaging. : en fr
  • US2071420A - Brake : en
  • USD103366S - Design for a blouse : en
  • DE642153C - Device for frequency conversion with discharge vessels : de en
  • DE642045C - Connection piece consisting of two connection pieces for a hose-free connection between a gas pipe and gas appliances : de en
  • FR809074A - Improvements to resonance relays : en fr
  • US2071716A - Apparatus for manufacturing tires : en
  • US2072031A - Wheeled gardening implement : en
  • US2071670A - Fish conveyer : en
  • CA364278A - Measuring apparatus : en fr
  • CH189546A - Tires for vehicles. : de en
  • FR809138A - Process for manufacturing fabrics treated with water-impermeable compositions made exclusively or partially of rubber : en fr
  • US2071955A - Traffic signal : en
  • PL24369B1 - Electric device with a handle. : en pl
  • US2071761A - Motorcycle driving mechanism, drive line, and braking mechanism : en
  • US2072059A - Power transmission system : en
  • USD103311S - Design fob a shoe ob similar : en
  • IE14813L - Emulsion layers for colour photography : en
  • CH189488A - Electric switch with combination control, usable in particular as an anti-theft device for automobiles. : en fr
  • CA364279A - Engine mounting : en fr
  • AT148690B - Production of krypton and xenon from atmospheric air. : de en
  • CA364268A - Safety razor : en fr
  • CH189565A - Process for the preparation of a readily soluble salt of a 9-aminoacridine derivative. : de en
  • US2071453A - Animal snare : en
  • US2071653A - Building construction : en
  • CH189534A - Mouthpiece on containers, especially those for viscous materials. : de en
  • US2071671A - Electrode and method of making the same : en
  • CA364354A - Automatic telephone signalling apparatus : en fr
  • CA364364A - Refrigerating unit : en fr
  • AT148679B - Vehicle headlights with tiltable concave mirror. : de en
  • FR809117A - Bogie : en fr
  • GB461931A - Improvements in elastic yarn and process of making the same : en
  • CH189508A - Process for the preparation of 3-acetyl-cis-androstandiol-3,17. : de en
  • US2071562A - Scraper : en
  • AT148670B - Procedure for shortening the duration of pulses. : de en
  • USD103332S - Design fob a refrigerator : en
  • DE642235C - Card shuffler : de en
  • CH189509A - Process for making a durable ferrous compound. : de en
  • FR809148A - Process for forming and using gas cells or batteries : en fr
  • FR809194A - Process for the preparation of amido-polyester resins : en fr
  • GB461833A - A new and improved binder for loose leaves : en
  • GB461842A - Improvements relating to bandages : en
  • AT148685B - Box-like container with a roller shutter lid. : de en
  • US2071428A - Automatic gear shift : en
  • US2071645A - Electrode and electrical contact : en
  • US2071712A - Roll stand unit for a continuous reducing mill : en
  • FI17388A - Method of sealing window doors and the like : en fi
  • FR809157A - Process for taking cinematographic pictures for reproduction in natural colors : en fr
  • FR809211A - New waterproof joint brick system : en fr
  • GR6337B - SILK MACHINE AND ALL KINDS OF YARNS. : el en
  • US2071820A - Elevator system : en
  • GB461726A - End liners for grinding mills : en
  • GB462231A - Improvements in or relating to heel-seat fitting machines : en
  • US2071394A - Ashtray : en
  • USD103310S - Design fob an individual server : en
  • GB461709A - Improvements in or relating to telephone systems : en
  • US2072040A - Article to facilitate business accounting : en
  • US2071997A - Water softening apparatus : en
  • DE642080C - Folding device for wooden school benches : de en
  • GB461696A - Improvements in a.c. voltage regulators : en
  • GB461831A - Improvements in apparatus for attaching top lifts to heels : en
  • US2071446A - Electric control system : en
  • US2071616A - Multifocal lens : en
  • DE642224C - Process for the production of a respiratory protection half-mask from sponge rubber and a respiratory protection half-mask produced according to this process : de en
  • CA364331A - Ore cyanidation and flotation : en fr
  • DE642208C - Screen for projection : de en
  • FI17412A - For the purpose and effect of the regulation of the effects of cylinders to mass and type : en fi
  • FR809076A - Rotating plate : en fr
  • FR809129A - Locking device : en fr
  • GB461914A - An apparatus for the cooking and pressing of meat and the like : en
  • AT148656B - Indirectly heated cathode for cathode ray tubes. : de en
  • AT148750B - Device for adapting the braking force to the vehicle load in the case of vehicle brakes. : de en
  • DE642103C - Process for defoaming glue solutions : de en
  • US2071605A - Hydraulic drive : en
  • US2072028A - Hinge : en
  • GB461800A - Improved manufacture of chromium hydroxide green : en
  • FR809166A - Improvements to electrical circuits intended to reduce the effect of shunt capacitance or reactance introduced by certain circuit elements : en fr
  • FR809210A - Improvements to coated rollers and their manufacturing process : en fr
  • GB461892A - Improvements in or relating to electron discharge devices : en
  • AT148700B - Process for the production of granular calcium cyanamide. : de en
  • US2071429A - Fractionating method and apparatus : en
  • US2071494A - Traffic signaling system : en
  • FR809072A - Further training in telemetry systems : en fr
  • FR809071A - Scanning Device Improvements in Cathode Ray Oscillographs : en fr
  • US2071433A - Wood heel turning machine : en
  • US2071619A - Strip milling machine : en
  • US2071516A - Oscillation generator : en
  • USD103357S - Design for an automobile hood : en
  • US2072074A - Folding chair : en
  • DK52746C - Method and Apparatus for Making a Continuous Tobacco Filling. : da en
  • DE642116C - Loeschkammer liquid switch : de en
  • FR809276A - : fr
  • FI17411A - Förfaringssätt för blekning av slipad trämassa : en fi
  • FR809120A - Improvements to electromagnetic switches : en fr
  • US2071402A - Back gauge for shears : en
  • US2071756A - Quick adjusting pipe cutter : en
  • US2071567A - Combination tanning process : en
  • US2071895A - Method of and apparatus for cleaning pine and fir cones and the like : en
  • US2071906A - Ingot mold : en
  • GB461665A - Improvements in or relating to sulphur burning apparatus : en
  • GB461809A - Improvements in or relating to crucible furnaces : en
  • FR809003A - Photographic printing process : en fr
  • FR809290A - Multiple switch : en fr
  • DE642189C - Electrode structure : de en
  • DE642198C - Electrical switch with arc extinguishing by a vapor or gas extinguishing agent : de en
  • FI17371A - Elektrisk varmvattenberedare : en fi
  • GB461843A - Apparatus for measuring the resistance of substances to grinding : en
  • US2071503A - Car dumper : en
  • US2071805A - Reversible conversion system : en
  • US2071948A - Illuminating device : en
  • US2072013A - Doweling machine : en
  • DE1399823U - : de en
  • DE642206C - Welding pipe connection with inner lining : de en
  • FR809146A - Process for the uniformization of the artificial fibrous material obtained by means of esters and ethers of cellulose : en fr
  • FR809252A - Latex concentration process : en fr
  • FR809046A - Sewing machine : en fr
  • GR6318B - AUTOMATIC APPLIANCE PREVENTING VACUUM FORMATION (VACUUM) AND ABSORPTION OF LIQUID FROM PIPES, PIPES, SEWERS, ETC. : el en
  • CH189551A - Parachute provided with a pneumatic device for its immediate opening. : en fr
  • PL24501B1 - Impact chisel with hard metal inlay. : en pl
  • AT148732B - Billiards and ball game with rotating bonus disc. : de en
  • FR809247A - Photoelectric cell : en fr
  • US2071405A - Winch with geared transmission : en
  • US2071470A - Automobile jack : en
  • GB461684A - Improvements in or relating to laminated glass : en
  • FR809024A - Improvements in fabric manufacturing : en fr
  • FR809104A - Simplified acoustic device for gas masks : en fr
  • FR809249A - High Frequency Resonant Systems Improvements : en fr
  • US2071467A - Grease filter : en
  • US2071877A - Nonrefillable bottle : en
  • DE642174C - Process for generating dust patterns without the use of chromates : de en
  • US2071725A - Method of making shoes : en
  • US2071839A - Dynamo-electric machine : en
  • US2071354A - Fireproofing compositions : en
  • USD103314S - Design for a shoe or similar : en
  • FR809089A - Device for holding in place and rapid release of hollow or tubular parts such as tubes or cones intended for winding wires or bands : en fr
  • GB461943A - Improvements in or relating to chimney cowls : en
  • GB461871A - Improvements in and relating to processes for the manufacture of acid alkali pyrophosphates : en
  • US2071449A - All-metal coachwork for automobiles : en
  • CA364265A - Fire extinguishing foam producing apparatus : en fr
  • CH189475A - Silencers for heat engines. : en fr
  • DE642217C - Flame cutting machine : de en
  • DK52745C - Attachment to the Flat Range Firearm. : da en
  • GB461921A - Devices for cooling draught beverages and other liquids : en
  • FR809191A - Milling cutter and method for cutting toothed wheels : en fr
  • AT148698B - Process for the electrolytic deposition of shiny deposits of metals. : de en
  • FR809106A - Device for obtaining the relief vision of cinematographic projections : en fr
  • GB461655A - Improvements in or relating to shingle elements : en
  • FR809136A - Food product made with evaporated bananas : en fr
  • US2071738A - Beet topping machine : en
  • DE642161C - Process for creaming rubber milk juice containing ammonia by adding a plant mucilage or a related plant product : de en
  • GB461660A - Improvements in or relating to power driven road or like cleaning appliances : en
  • FI17415A - Airplane wing unit : en fi
  • US2072057A - Transmission : en
  • US2071359A - Transmission control mechanism for motor vehicles : en
  • US2071900A - Auxiliary shelf for bathroom cabinets : en
  • DE642219C - Peeling and grinding machine for grain, legumes or other peeled goods : de en
  • FR809236A - Improvements to variable speed transmissions with planetary gears, in particular those for automobiles : en fr
  • US2071510A - Selective magazine pencil : en
  • USD103378S - Design fob a textile fabric : en
  • DE642099C - Magnetic drive device for endless platforms or conveyor trains : de en
  • CA364381A - Race horse game : en fr
  • CH189456A - Clamping device for machine tool with rotary spindle. : en fr
  • FR809007A - Improvements to bolts and locks : en fr
  • GB461917A - Improvements in and relating to concrete bridges, floors and the like : en
  • US2071916A - Core drill : en
  • USD103308S - Design fob a register : en
  • CH189374A - Percolator with drawers. : en fr
  • FR809145A - Development of portable power tools : en fr
  • FR809150A - Crude Oil and Petroleum Sprayer : en fr
  • GB461742A - Improvements in or relating to the production of polyhydric alcohol-polybasic acid resin : en
  • GR6338B - REPLACEMENT METAL BY DENTISTS TO REPLACE GOLD AND WHITE (PLATINUM) IN THE MOUTH. : el en
  • US2071389A - Well cementing : en
  • US2071508A - House car : en
  • US2071880A - Printing adding machine : en
  • US2071911A - Auxiliary circuit : en
  • FR809239A - Slit shutter camera with photoelectric light meter : en fr
  • CH189357A - Scissor fanlight opener. : de en
  • CH189486A - Protective device for electric cables containing gas under pressure. : en fr
  • FR809110A - Mandrel : en fr
  • GB461934A - Improvements in and relating to variable gear ratio transmitting mechanisms : en
  • US2071317A - Aeroplane wing structure : en
  • US2071923A - Electron discharge device : en
  • US2072049A - Firing table : en
  • DE638605C - Process for the production of a final edge or double edge on knitted fabrics on flat weft knitting machines : de en
  • DE642273C - Hydraulically or pneumatically controlled single or multi-disc clutch or brake : de en
  • GB461830A - Improvements in feeding troughs for animals : en
  • GB462165A - Manufacture of polymerisation products : en
  • FR809012A - Method and systems for distance measurement by reflection of electric waves : en fr
  • GB461712A - Improvements in serrating textile fibrous material and particularly in breaking flax and other fibrous plants and apparatus therefor : en
  • FR809124A - Hydraulic transmission applicable in particular to braking : en fr
  • FR809144A - Cold compression machine : en fr
  • GB461817A - Improvements in electric relays : en
  • GB461816A - Improvements in magnetic separators : en
  • GB462052A - Improvements in zinc base alloys : en
  • FR809163A - Electric discharge tube : en fr
  • FR809282A - Further training in the manufacture of tubes and other tubular metal articles : en fr
  • BE419580A - : en fr
  • FI17387A - Förfaringssätt framställning av byggnadsplattor : en fi
  • US2071934A - Multiple fuse plug : en
  • US2071590A - Process of extracting light mineral oil distillates with sulphur dioxide : en
  • DE642092C - Process for the production of printing blocks from a photographic plate or a photographic film : de en
  • DE642043C - Device for the automatic control of an aircraft by means of a single gyro : de en
  • FR809084A - Skid suspension system for electromagnetic braking of rail vehicles : en fr
  • FR809139A - Improvements to open flame burners : en fr
  • BE419491A - Thiazole compounds and their production process : en fr
  • USD103362S - Design fob a lace insert : en
  • AT148722B - Device for distilling used oils. : de en
  • AU100291B2 - Improvements in and relating to dry masonry : en
  • CH189365A - Device for holding at least one shoe during its treatment. : en fr
  • AT148666B - Non-tap regulating transformer with AC control. : de en
  • CA364314A - Malleable iron production : en fr
  • GB461955A - Improvements in and relating to shaft bearings : en
  • CA364296A - Telegraphone : en fr
  • CA364346A - Agricultural implement : en fr
  • AU53136A - Improved syringe for drenching sheep and for like purposes : en
  • PL24362B1 - The method of moisturizing fibrous materials. : en pl
  • CA364328A - Lubricant servicing apparatus : en fr
  • AT148693B - Process for pickling animal fibers, such as hair for felt production, in particular hat felt production. : de en
  • US2071366A - Fabricated structure for air conditioning units : en
  • US2071711A - Automatic knee-locking device : en
  • DE641905C - Riveting steel : de en
  • FR809147A - Headlight for fog lighting for motor vehicles : en fr
  • DE641798C - Device to prevent flashbacks when commissioning mercury vapor rectifiers after breaks in operation : de en
  • DE642129C - Roll film camera : de en
  • GB461646A - Improvements in or relating to television and like transmitters : en
  • FR809277A - Process and device for the production of crumb or granular rubber : en fr
  • FR809298A - Canoeing device : en fr
  • GB462050A - Improvements in and relating to files : en
  • DK52727C - Dishwasher. : da en
  • FR809058A - Device for the power supply of light discharge tubes : en fr
  • US2071348A - Control mechanism : en
  • US2071612A - Lamp : en
  • US2071661A - Apparatus for and method of preventing unauthorized removal of vehicle tags : en
  • DE642108C - Signal system with detectors and call machines for the teams in the same loop : de en
  • FI17378A - Method of preserving raw hides : en fi
  • FR809051A - Removable compressor suspension device for driving in front of motor vehicles : en fr
  • FR809050A - Individual ventilation device : en fr
  • AU100267B2 - Improvements in steel joists ( or stanchions) and beams : en
  • CH189562A - Plant for impregnating wood. : de en
  • CA364261A - Sale system : en fr
  • AT148699B - Process for dequaternizing dyes. : de en
  • DE642257C - Multi-system pipes : de en
  • FR809112A - Heating system of self-propelled rail cars : en fr
  • GB461815A - Improvements in or relating to the manufacture of hollow rubber articles and articles made of sponge rubber : en
  • US2071513A - Propeller for aircraft or the like : en
  • US2071656A - Jetty structure : en
  • US2071832A - Compensator for metering systems : en
  • CH189390A - Wrapping tape, especially for skiers and mountaineers. : de en
  • CH189434A - Ski binding. : en fr
  • GB461875A - Plant for treating salt water : en
  • GB461928A - Improvements in or relating to cutting machines, scoring machines or the like : en
  • GB462290A - A process for improving cellulosic materials : en
  • US2071623A - Duplex letter sheet : en
  • AT148709B - Process for the production of oxide layers on aluminum or aluminum alloys. : de en
  • US2071521A - Production of fluorescence producing substances soluble in hydrocarbon oils : en
  • US2071668A - Brake : en
  • FR809073A - Further development of lighting gas meters : en fr
  • DE642287C - Device for guiding sheet piles when ramming : de en
  • FI17401A - Fertilization requirements for galvanic discharges on aluminum or aluminum alloys : en fi
  • PL24414B1 - Trailer. : en pl
  • AU113136A - Improvements in and relating to milking machines : en
  • US2071511A - Enteric coating : en
  • CH189351A - Outlet device for boiling water generator. : de en
  • AT148673B - Circuit arrangement for Braun tubes with deflection coils. : de en
  • CH189379A - Barrel tap. : de en
  • GB461851A - Improvements relating to electric arc converters : en
  • US2071769A - Electric lamp socket : en
  • US2071947A - Wheel and axle assembly : en
  • USD103307S - Design for a funnel stand : en
  • CA364276A - Receptacle part assembling machine : en fr
  • CA364258A - Work holding device : en fr
  • CH189448A - Split-seconds counter. : en fr
  • GB461697A - Apparatus for the transmission of writing (drawing and the like) : en
  • US2071774A - Radio control device : en
  • AU50136A - Improvements in apparatus for cleaning articles : en
  • US2071854A - Lubricant retainer for the supporting springs of vehicles : en
  • US2071792A - Venetian blind mounting : en
  • FR809067A - Method of manufacturing an elastic fabric and fabric thus obtained : en fr
  • CA364264A - Cellulose derivative product manufacture : en fr
  • CH189531A - Backpack with ice ax carrying device. : de en
  • US2071766A - Bookbinder construction : en
  • USD103293S - Design for a tire : en
  • CH189358A - Hold-open device for windows, doors and the like. : de en
  • DE641842C - Crane scale with electrical remote transmission : de en
  • DE642186C - Safety arrangement for the switch-on movement of electrical switches : de en
  • US2071887A - Stand : en
  • DE642253C - Device for practicing the method for operating electrical alternating current synchronous machines with variable speed : de en
  • CA364368A - Dry cell and seal : en fr
  • AT148733B - Tobacco channel for stick cigarette machines. : de en
  • CH189421A - Machine for inserting inserts into folded printed sheets. : de en
  • CH189449A - Process for producing an alloy by melting down its components. : de en
  • FR809059A - Slab and coverings for terraces, roof terraces and other structures obtained with this slab : en fr
  • US2071849A - Electrical discharge device : en
  • GB461763A - Improvements in or relating to receiving circuits for very short waves and vacuum tubes therefor : en
  • US2071857A - Broad range time limit relay : en
  • US2071922A - Manufacture of pile fabrics : en
  • FR809060A - Full carburetion system for powering engines : en fr
  • PL24387B1 - A method for accelerating alkaline cellulose maturation and an apparatus for carrying out the method. : en pl
  • PL24443B1 - Method of introducing steelworking additives to aJuminogenetic iron during alumiaoterraic welding. : en pl
  • US2071899A - Sensitized photographic film, plate, and emulsion : en
  • US2071920A - Spray nozzle and strainer : en
  • PL24364B1 - : en pl
  • US2071321A - Device for twisting and shaping pretzels : en
  • US2071973A - Electric gaseous discharge device : en
  • US2071564A - Cyclic variable frequency oscillator : en
  • CH189435A - Ice skate. : de en
  • US2071696A - Anode construction for discharge tubes having rotary anodes : en
  • CH189447A - Watch. : en fr
  • AT148652B - Arrangement for the operation of converters. : de en
  • US2071784A - Attachment for dobby heads : en
  • FI17359A - Electrolytic wadding circuit with concentric anordnade bipolar shield electrode, shaken for high pressure drift : en fi
  • GB461882A - Improvements in and relating to brake and clutch constructions : en
  • CH189359A - Process for the production of a gas-rich semi-coke. : de en
  • AU100278B2 - Improved method of and apparatus for intermittent absorption refrigeration : en
  • DE641935C - Continuous chain needle on overcast circular chain machines : de en
  • CA364357A - Combined heating and cooling apparatus : en fr
  • US2071413A - Self-closing cap for collapsible tubes : en
  • SU49519A1 - The method of obtaining pressed sugar : en ru
  • AT148713B - Method and device for the production of smoke and mist filters, in particular for breathing apparatus and room ventilators. : de en
  • AU9936A - Method of and apparatus for surveying the surface ofthe earth by aerial photographs : en
  • FI17420A - Airon rubbed : en fi
  • GB461699A - Improvements in and relating to electric liquid-blast circuit breakers : en
  • GB461967A - Improvements in and relating to autographic registers : en
  • DE642146C - Electrolytic cell : de en
  • CH189396A - Method and device for the fermentation of solutions. : de en
  • GB461918A - Improvements in extending tables : en
  • GR6334B - MEN'S KNEE BONDS (SOCKS). : el en
  • DE642178C - Electromagnetic remote indicator : de en
  • FI17360A - Sätt att framställa svavel genom reduktion av svaveldioxidhaltiga gaser : en fi
  • AU100290B2 - Improved syringe for drenching sheep and for like purposes : en
  • AT148681B - Bicycle license plate. : de en
  • AT148659B - Box for loading coils. : de en
  • CH189451A - Device for electrical resistance welding, in particular for electrical point and point seam welding. : de en
  • CH189493A - Control device with a current and a voltage regulator in electrical systems with a direct current generator with variable speed on vehicles. : de en
  • US2071372A - Dyestuffs of the fluorindine series and a process of preparing them : en
  • US2071379A - Pulverizer : en
  • US2071380A - Pulverizer : en
  • US2071869A - Hand scouring device : en
  • DE642236C - Mouthpiece for the production of hollow moldings closed on all sides, especially for extrusion : de en
  • DE642281C - Clarification device for household waste : de en
  • CH189368A - Embrasure mosquito net. : en fr
  • AU100277B2 - Improved means and apparatus for indicating calculations of values quantities, weights, and/or percentages : en
  • AT148660B - Television reception method for transmission systems with intensity control. : de en
  • AT148726B - Process for the solidification of liquid or pulpy substances or preparations containing more or less water. : de en
  • CA364318A - Electrolytic condenser : en fr
  • CH189381A - Loom. : de en
  • US2072048A - leonard : en
  • CA364320A - Cathode ray device : en fr
  • CH189437A - Dice game. : de en
  • GB461868A - Improvements in and relating to screw actuated presses : en
  • CH189517A - Circuit arrangement for electrical systems for remote reporting or remote control. : de en
  • US2071325A - Vegetable digger : en
  • DE642123C - Device for supporting the sick while intoxicated : de en
  • CH189458A - Machine for grinding and polishing copper cylinders used for printing and others. : en fr
  • CH189406A - Process for the preparation of 2.4.6-triamino-1.3.5-triazine (melamine). : de en
  • DE642009C - Lifting device for motor vehicles : de en
  • USD103316S - Design for a bottle : en
  • FR809173A - Automatic closing and reopening of level crossings by the train itself and at a predetermined distance : en fr
  • GB461974A - Improvements in and relating to adjustable bands for garments : en
  • GB461979A - Methacrylic acid esters of polyhydric alcohols and their manufacture : en
  • US2071806A - Air filter for ventilating systems or apparatus : en
  • USD103294S - Design for an electric shaving device : en
  • US2071735A - Display package : en
  • US2071755A - Fluid pressure brake : en
  • US2071823A - Guide arm for valve rods : en
  • USD103298S - Design for a combination fuel stand : en
  • US2071341A - Needle bearing joint : en
  • US2072014A - Automatic brake adjusting mechanism : en
  • FR809174A - Electrostatic mirror oscillograph : en fr
  • US2071691A - Drawknife : en
  • FR809111A - : fr
  • US2071935A - Control for refrigerating systems : en
  • DE642222C - Process for preparing direct positive halide silver light-sensitive emulsion layers : de en
  • FI17380A - Madrass, specially designed for a bed : en fi
  • US2071382A - Electron discharge device : en
  • US2071853A - Nut hulling machine : en
  • DE642149C - Train control device : de en
  • DE642229C - Suspension for motor vehicles : de en
  • US2071758A - Method of waterproofing structures : en
  • PL24479B1 - The method of producing azo dyes. : en pl
  • US2071547A - Signaling system : en
  • FI17366A - Oscillator modulator order : en fi
  • GB461818A - Adjustable handle for brooms, rakes and the like : en
  • GB461935A - Improvements in and relating to apparatus for the continuous tempering of bands, wires or similar strip material : en
  • PL24487B1 - A combination of a collar and a shirt and its fastening. : en pl
  • DE642076C - Auxiliary device to be used as protection against heat exposure when creating water waves during the drying process : de en
  • DK52747C - Procedure and Apparatus for Closing Gaskets. : da en
  • US2071945A - Wheel and axle assembly : en
  • FR809077A - Improvements made to projectiles, in particular to those intended to be launched by airplanes or other devices of this kind : en fr
  • GB461782A - Improvements in and relating to printing rollers for use in photogravure and other intaglio processes : en
  • PL24388B1 - Rail joint. : en pl
  • US2071522A - Thermionic cathode : en
  • DE642147C - Process for the preparation of addition products of acetylene and its homologues : de en
  • FR809182A - Luminescent plastics and their manufacturing process : en fr
  • GB461827A - Improvements in the manufacture and production of condensation products : en
  • FR809020A - Device intended for the elastic suspension of apparatus, in particular radio apparatus : en fr
  • FR809156A - Installation for transmission, in particular for the successive transmission of two indications supplied by two different transmitting devices : en fr
  • FR809200A - Automatic coin entry device for the distribution of objects or tickets, if necessary with delivery of the remainder : en fr
  • US2071349A - Building construction : en
  • US2071999A - Continuous press for production of board-like products : en
  • USD103327S - Design fob leather or similar : en
  • USD103381S - Design for a dress : en
  • DE642274C - Fluid coupling : de en
  • GB461681A - Improvements in and relating to dielectrics for electrical apparatus : en
  • DK52742C - Protection against Disconnection of the Control Rod and Steering Pin for Automobiles : da en
  • FR809152A - Improvement in electrical devices for the reconnaissance of land and in particular of oil and aquifer layers crossed by a borehole : en fr
  • DK52739C - Procedure and Apparatus for Inserting Sticks into Cream to Be Frozen into Solid, Shaped Bodies. : da en
  • FR809279A - Electronic ray tubes with subsequent acceleration : en fr
  • FR809091A - New fuel : en fr
  • GB461834A - Improvements in and relating to electric condensers : en
  • GB461891A - Method of treating photographic images and materials for use therein : en
  • GB462222A - Colouration of textile and other materials : en
  • DE642089C - harmonica : de en
  • USD103374S - Design fob a textile fabric : en
  • FR809177A - Film camera, optically compensated : en fr
  • FI17421A - Propulsion for propeller-driven vehicles with propellers and for agricultural equipment : en fi
  • GB461965A - Improvements in the manufacture and production of azo dyestuffs : en
  • USD103295S - Design for an electric shaving device : en
  • USD103318S - Design for a trolley pole head : en
  • US2071580A - Powder gun and plunger device adapted therefor : en
  • US2071638A - Spout for cans : en
  • US2072062A - Process of dyeing cellulose, cotton, or the like : en
  • USD103379S - Design for a textile fabric : en
  • FI17384A - Dishwasher table : en fi
  • DE642077C - Output device for shipping and sales containers for pulpy goods : de en
  • FR809081A - Improvements to protection devices, by differential relay, of fixed or mobile electrical installations : en fr
  • US2071824A - Stencil printing machine : en
  • DK52723C - Soot and spark arrestor for the chimneys. : da en
  • DK52733C - Sealing device at Doors. : da en
  • DE642142C - High frequency transmission system : de en
  • FR809289A - Process for preparing water-repellent textile materials : en fr
  • GB461902A - Improvements in binders for periodicals and the like : en
  • DE620509C - Process for the preparation of higher molecular alkylene diguanidine salts : de en
  • DE642107C - Mobile bed protection : de en
  • DE642254C - Device for practicing the method for operating electrical alternating current synchronous machines with variable speed : de en
  • US2071314A - Pipe flanging machine : en
  • FR809250A - Gear change device : en fr
  • PL24500B1 - A method of making wood sawdust construction boards that insulate against noise, moisture and heat. : en pl
  • US2071525A - Weaver's knotter : en
  • FR809140A - Improvements to thermal insulation devices : en fr
  • CH189425A - Gripper drive. : de en
  • FI17363A - The operation of the rotary and vertical apparatus, drums or drums : en fi
  • USD103333S - Design fob a display stand : en
  • DE642280C - Floating sludge removal device in rectangular Klaerbecken : de en
  • US2071684A - Badminton racket : en
  • US2071357A - Recovery of phthalic anhydride or acid : en
  • US2071703A - Automatic suction primer for oil field service : en
  • US2071785A - Control for friction transmission : en
  • SU48956A1 - High-pressure blade conic valve : en ru
  • US2071581A - Glass picture frame and decorative corner connecter therefor : en
  • DE642212C - Potato harvester with two cooperating throwing wheels that lay backwards : de en
  • GB461760A - Process for obtaining alimentary substances from earth-nuts and other edible oleaginous grains or seeds : en
  • US2071981A - Carbon pack or container : en
  • US2071614A - Vacuum cleaner construction : en
  • DE642185C - Remote control and telecommunication device for switches with self-release : de en
  • US2071409A - Draft diverter : en
  • USD103303S - Design for an extension table : en
  • USD103359S - Design fob a ski kit : en
  • GB461861A - Improvements in and relating to sealing devices for the driving shafts of centrifugal pumps and other mechanisms actuated by rotating shafts : en
  • GR6324B - TUBE BEAMS FROM CONCRETE ARME FOR CONSTRUCTION WORKS, OWN FLOORS AND METHOD OF CONSTRUCTION. : el en
  • US2072027A - Train order holder : en
  • PL24438B1 - Mechanical hammer, suitable for the expansion of expressed objects. : en pl
  • DE642138C - Sealing device for two-part seals : de en
  • DE642239C - Arrangement for automatically keeping the voltage constant in AC circuits : de en
  • GB461776A - Improvements relating to carburetters for internal combustion engines : en
  • US2071829A - Loudspeaker and like instrument : en
  • US2072055A - Correction device for dictation machines : en
  • FR809057A - Process for the production of water-insoluble indulins : en fr
  • GB461656A - An injector and/or syringe for medical, surgical or veterinary use : en
  • GB461781A - Improvements in or relating to take-up motions for looms : en
  • GB461687A - Improvements in or relating to oil stoves or heaters : en
  • US2071968A - Electric valve converting system : en
  • AT148706B - Light metal alloy for machine parts with sliding movement. : de en
  • BE419324A - : en
  • PL24504B1 - A method of cleaning the seeds of cereal, legumes and oily plants in order to obtain compounds of inosito hexaphoric acid from them with the use of an alkaline solution. : en pl
  • US2071319A - Textile strap construction : en
  • CH189364A - Juicer for nuts. : de en
  • US2071903A - Inertia operated device : en
  • AT148655B - Coaxial conductor arrangement with air space insulation. : de en
  • AU106136A - Improvement insound reproducing apparatus : en
  • BE419299A - : en fr
  • BE419279A - Apparatus for mechanically counting and packing coins or the like : en fr
  • US2071926A - Tear-resistant product and method of producing same : en
  • CA364308A - Railway traffic controlling system : en fr
  • CA364316A - Optical system : en fr
  • AT148708B - Process for the extraction of precious metals. : de en
  • BE419502A - : en
  • CH189560A - Process for the preparation of a vat dye. : de en
  • US2071840A - Arrangement for closing boxes, particularly in large garages for motor vehicles : en
  • US2071682A - Apparatus for guiding and aligning strip material : en
  • USD103372S - Design for an ornament for a shoe : en
  • CA364259A - Lifting jack base : en fr
  • US2071495A - Sand spreader : en
  • CA364263A - Milling system : en fr
  • CA364324A - Bituminous pavement : en fr
  • CH189382A - Device for automatically pulling off the thread remnants from the sleeves or bobbins of the discharged shuttle on looms. : de en
  • US2071538A - Clutch and gear shift interlock : en
  • CH189554A - Fabric holder with elastic tongue for stockings and the like. : de en
  • AU100289B2 - Improvements in by pass air jet devices for stoves, furnaces, incinerators and the like : en
  • CH189496A - One-way mercury vapor rectifier tube with a discharge vessel made from metal parts and glass parts fused to them in a vacuum-tight manner. : de en
  • BE419736A - Slider closure and its manufacturing process : en fr
  • AT148657B - Circuit arrangement for payphones with network group traffic. : de en
  • CA364362A - Solvent applying apparatus : en fr
  • CH189483A - Device for the instant production of sorbets and frozen drinks in general. : en fr
  • CH189464A - Cufflink. : de en
  • AU206636A - Improvements in corrugated plaster roofing : en
  • CH189548A - Toy vehicle. : en fr
  • US2071764A - Apparatus for printing lenticulated films : en
  • DE642143C - Forceps for the bloodless castration of animals : de en
  • FI17405A - These and the same density : en fi
  • FR809232A - Improvements to shoe manufacturing processes : en fr
  • GB461743A - Improvements in and relating to belting : en
  • PL24444B1 - Machine KartWn. : en pl
  • SU48438A1 - Drawing pen : en ru
  • CA364388A - Foam indicating and controlling apparatus : en fr
  • DE642112C - Method and machine for the production of wire nails with conical tips : de en
  • FR809229A - Waterproof plywood barrel : en fr
  • CA364334A - Insulating board : en fr
  • CH189553A - Set made up of two rolling beds that can be moved apart and brought closer to each other. : en fr
  • CH189395A - Machine for shredding soft materials, especially meat products. : de en
  • US2071882A - Grinding machine : en
  • CH189487A - Installation switch. : de en
  • GB461748A - Improvements in or relating to carburetters for internal combustion engines : en
  • DE642272C - Gear drive for the cutting unit of mowing machines : de en
  • US2071572A - Radio shield for spark plugs : en
  • CA364262A - Garment support : en fr
  • DE642120C - Process for the production of water-insoluble azo dyes : de en
  • PL24480B1 - The method of producing lacquer dyes. : en pl
  • US2071701A - Shock absorbing apparatus : en
  • AU56436A - A permutation lock for various purposes including the locking of steering wheels of motor vehicles : en
  • CA364287A - Incandescent lamp : en fr
  • CH189481A - Steam generator assembled with a turbine. : de en
  • CH189429A - Sheet music turning device. : de en
  • FI17410A - Apparatus for the production of fiber and fibrous materials : en fi
  • GB461910A - Improvements in or relating to the selectivity control in radio receivers : en
  • US2071846A - Apparatus for spraying material : en
  • GR6332B - PERFECTIONS IN OR IN RELATION TO A METAL WELDING MACHINE. : el en
  • US2071991A - Clutch mechanism : en
  • AT148745B - Device for gluing fire hoses. : de en
  • AU100287B2 - Means for automatically varying the selectivity ofa modulated carrier wave receiver : en
  • FR809151A - Improvements to continuous gear changes : en fr
  • GB461849A - Process for the production of metallic sulphates, and ammonium sulphite and sulphur or ammonium thiosulphate : en
  • AT148742B - Tightly lockable container, especially suitcase. : de en
  • CA364292A - Plastic material : en fr
  • CH189443A - Method and device for determining the strength of substances which can be crushed by grinding. : de en
  • DE642202C - Impeller fan : de en
  • FR809133A - Foam rubber heating puff device : en fr
  • GB461786A - Improvements in or relating to wheels : en
  • PL24462B1 - A way to increase the baking value of flour : en pl
  • PL24475B1 - A method for uniformly curing taper coiled springs. : en pl
  • GB461930A - Automatic feed control mechanisms for cereal grain and like materials : en
  • FR809001A - Variable displacement plate forming a support, for electric motor or other : en fr
  • AT148739B - Dismountable toboggan. : de en
  • BE419401A - Process for the purification and concentration of dispersions of rubber and the like : en fr
  • CA364306A - Electrical thermal relay : en fr
  • DE642256C - Arrangement to avoid the ignition of grid-controlled gas or vapor discharge paths that work in relay or measuring devices when the device is connected to the anode DC voltage : de en
  • US2071482A - Antifreeze : en
  • CH189398A - Process for the production of pure alcohol. : de en
  • FR809178A - Improvements to gas heaters and the like : en fr
  • GB461740A - Improvements in or relating to heating pads for the permanent waving of hair : en
  • GB461658A - A mechanical ball-kick or ball replay mechanism for game apparatus : en
  • PL24440B1 - A device for compensating the brake piston stroke with brakes with a variable ratio of the gear ratio to vehicles, especially railway vehicles. : en pl
  • US2071636A - Brake : en
  • FR809022A - Improvements to equipment for continuous metal extrusion : en fr
  • CA364283A - Resinous composition : en fr
  • US2071686A - Motor vehicle : en
  • USD103301S - Design for a shoe : en
  • PL24505B1 - Device for removing gloss from fabrics. : en pl
  • DE642127C - Mill : de en
  • FI17395A - Pipe with condensation on the condenser of the condenser, as the case may be : en fi
  • FR809010A - Television decomposition device according to the method of groups of interspersed lines : en fr
  • GB461645A - Improvements in bearings : en
  • IE14389L - Sterilisation of liquids : en
  • FR809017A - Method and assembly for obtaining sound films without background noise : en fr
  • FR809208A - Process for the decomposition of cellulosic substances into water soluble products by means of hydrofluoric acid : en fr
  • DE642271C - Self-collecting launcher with spring-loaded launcher : de en
  • FI17417A - Aerodynamic parachute : en fi
  • GB461936A - Improvements relating to electric heating resistances : en
  • CA364305A - Phosphate manufacture : en fr
  • FR809186A - Wristwatch : en fr
  • GR6335B - PALANTZA WITH SLIDING COUNTERFEIT. : el en
  • CA364351A - Pulp production : en fr
  • CH189350A - Liquid heater for generating boiling water in the flow. : de en
  • CH189355A - Siphon. : de en
  • US2071418A - Electric seam welder : en
  • US2071949A - Box : en
  • DE642201C - Vapor or gas-filled discharge vessel with indirectly heated glow cathode : de en
  • DE642064C - Mercury timer : de en
  • US2071323A - Organic phosphates and method of making same : en
  • US2071783A - Fur trimmed overshoe : en
  • US2071608A - Automatic leveling ladder : en
  • US2071889A - Drum rolling device : en
  • GB461649A - Improvements in or relating to the production of resin emulsions : en
  • GB461903A - Improvements in or relating to stackable chairs and the like : en
  • CA364344A - Waxing machine : en fr
  • DE642115C - Drive for folding bridges with gear drive : de en
  • IE14355L - Determining the presence and sex of living organisms : en
  • DE642060C - Device for spreading tar and similar road building materials : de en
  • FR809171A - Electrical circuit coupling device : en fr
  • USRE20276E - knauth r : en
  • GB461717A - Improvements relating to waste fittings or outlet pipes for sinks, washbasins, baths and the like : en
  • IE14100L - Electric cable junction boxes : en
  • US2071414A - Knife cutting mechanism for looms : en
  • FI17422A - Maneuvering and maneuvering arrangements for vehicles or vehicles : en fi
  • PL24399B1 - The method of making iron bases. : en pl
  • FR809092A - Heating sole for electric cooking ovens : en fr
  • GB461951A - Improvements in free-wheel hubs for cycles : en
  • GB462022A - Improvements relating to advertising and like signs comprising luminous electric discharge tubes : en
  • US2071593A - Boot, especially for sport : en
  • DE642098C - Pliers for firing detonators on detonating cords : de en
  • DE642214C - Device for protecting internal combustion engines equipped with a pneumatic injection quantity regulator against running away in the wrong direction of rotation : de en
  • FR809096A - Improvements to level indicators : en fr
  • FR809188A - Cigarette Making Improvements : en fr
  • GB461874A - Improvements in or relating to speed governors for internal combustion engines : en
  • GB461890A - Photographic desensitisers : en
  • AU52237A - Improvements in shearing heads of machines for shearing sheep andother animals : en
  • CA364327A - Refrigerator : en fr
  • GB461878A - Adjustable handle for brooms, rakes and the like : en
  • FI17356A - Sätt och anordning för tillverkning av blixtlås : en fi
  • FR809288A - Process for extracting aluminum from coal mining waste : en fr
  • GB461922A - Improvements in or relating to apparatus for the administration of anaesthetics : en
  • DE642170C - Conveyor grid arrangement for machines for optional coating of flat workpieces : de en
  • DE642211C - Fertilizer spreader, especially with a chain spreader : de en
  • FI17393A - Markeringsjärn : en fi
  • DE642289C - Process for the production of methacrylic acid esters : de en
  • GB461798A - Improvements in and relating to moulds for the production of hollow objects, more particularly those made of chocolate : en
  • GB461795A - Improvements in and relating to process and apparatus for the manufacture of glass articles of tubular shape : en
  • US2071618A - Method and means for saw-surfacing and cleaning a saw kerf : en
  • US2071622A - Washing machine : en
  • AT148664B - Television receiving arrangement with intermediate frequency amplifier. : de en
  • CH189417A - Process for protecting metallic surfaces made of light metals or light metal alloys that come into contact with organic liquids from corrosion. : de en
  • CH189346A - Scraper. : de en
  • GB461735A - Improvements in apparatus for measuring and cutting linoleum and similar sheet materials : en
  • GB461766A - Apparatus for completely emptying containers having flexible walls : en
  • GB461919A - Improvements in ophthalmic mountings : en
  • AU100275B2 - Improvements in and relating to soot blowers for boilers andthe like : en
  • DE642082C - Double-walled metal vacuum flask : de en
  • CA364288A - Vitreous material : en fr
  • US2071687A - Flashing : en
  • US2071907A - Preparation of polymers in sheet or block form : en
  • FR809006A - Method for driving probes and other similar tubular bodies into the ground : en fr
  • US2071841A - Coating process : en
  • CA364353A - Hydraulic power transmission : en fr
  • US2071752A - Safety car equipment : en
  • US2071988A - Comfort chair : en
  • AU100303B2 - Improvements in or connected with wardrobes and like articles of furniture : en
  • US2071548A - Wrapper control for wrapping machines : en
  • US2071603A - Method of making slide fasteners : en
  • US2071692A - Adjustable hot saw gauge : en
  • US2071801A - Heating and cooling system : en
  • US2071587A - Car brake : en
  • US2071659A - Engine cooling and car heating system and apparatus : en
  • CA364274A - Safety cover latch : en fr
  • CH189341A - Hollow brick, method for manufacturing this brick and device for implementing this method. : en fr
  • US2071722A - Electropneumatic brake : en
  • US2071996A - Oil filter : en
  • PL24436B1 - Conveyor. : en pl
  • CH189547A - Spring-loaded bicycle handlebar. : de en
  • CA364326A - Rotary engine, pump or meter : en fr
  • CH189378A - Method for applying elastic closure capsules to bottles and device for carrying out the method. : de en
  • DE642199C - Device for achieving a specific speed characteristic, in particular for eliminating the drop in speed in engines : de en
  • US2071450A - Spark plug : en
  • US2071753A - Safety car equipment : en
  • US2071859A - Magnetic transfer device : en
  • US2071399A - Drinking glass protector : en
  • CH189407A - Process for the preparation of an anthrapyridazine. : de en
  • US2071445A - Electric lamp socket : en
  • US2071884A - Retractable landing gear for aeroplanes : en
  • US2071867A - Self retaining closure for collapsible tubes : en
  • US2071875A - Composition of matter : en
  • DE640931C - Process for the production of a colored paving compound for road construction purposes : de en
  • CH189457A - Press for electrically vulcanizing rubber parts. : en fr
  • DE642267C - Manufacture of sponge-like structures from viscose : de en
  • CH189445A - Device for seeing objects located in a direction different from the direction of gaze. : en fr
  • US2071324A - Twin-row potato planter : en
  • AT148705B - Process for making pastries. : de en
  • USD103343S - Design fob a lace insert : en
  • US2071367A - Method of treating lactic fluids : en
  • US2071387A - Accounting machine : en
  • CH189476A - Method and device for airless fuel injection in internal combustion engines. : de en
  • CA364348A - Container punch : en fr
  • CA364378A - Stepladder : en fr
  • US2071362A - Bag and container for heavy duty : en
  • US2071793A - Railway car truck : en
  • DE642240C - Process for the production of pressed pieces from crushed wood and hardenable or hardening resin, synthetic resin or the like. : de en
  • CH189516A - Device connected to a telephone system to enable a makeshift manual exchange to be switched into the telephone system. : de en
  • AU54436A - An improved bathing cap : en
  • US2071693A - Apparatus for distilling spirituous liquors : en
  • US2071953A - Flywheel type electric machine : en
  • CH189344A - Overhead door for garages, storage rooms, etc. : de en
  • US2072021A - Ledger plate anvil : en
  • USD103363S - Design for an electric lamp support : en
  • US2071441A - Manifolding pattern sheet : en
  • CA364387A - Core drilling method and apparatus : en fr
  • FR809241A - Shock absorber for automobiles : en fr
  • GB461856A - Method of and apparatus for charging cigarette-making machines with tobacco : en
  • GB461895A - The manufacture of compounds of the cyclopentano polyhydro phenanthrene series : en
  • CA364272A - Rail joint shim : en fr
  • CH189411A - Machine for the production of soaps with profile inserts. : de en
  • US2071455A - Floor slab : en
  • US2071477A - Apparatus for recording sound on or reproducing from an endless band of film : en
  • US2071702A - Hydroxycarbazole carboxylic acid arylamides : en
  • US2071528A - Rotary motor : en
  • US2071599A - Tester for internal combustion engines : en
  • CH189523A - Signal system especially for hotels and hospitals. : de en
  • CH189427A - Freight plan. : de en
  • PL24508B1 - Absorption tower with internal cooling for the production of oleum from gases containing sulfur trioxide and from sulfuric acid. : en pl
  • FR809198A - Device for electronically reproducing and intensifying an image projected on a screen : en fr
  • FR809242A - Control device of an internal combustion engine operating a generator : en fr
  • US2071430A - Siding shingle : en
  • US2071962A - Shipping container : en
  • US2071921A - Laminated structure : en
  • US2071419A - Treatment of textile material : en
  • US2071946A - Wheel and axle assembly : en
  • US2071896A - Ironing machine : en
  • GB461801A - Improvements in devices for delivering measured quantities of liquid : en
  • GB461840A - Piling sections : en
  • GB461863A - Improvements in and relating to electrical socket connector members : en
  • FR809088A - Device for drawing on shapes of articles to be finished, such as stockings and other knits : en fr
  • FR809278A - Manufacturing process of rubber in crumbs or granules : en fr
  • FI17361A - Värmeutväxlingsapparat samt sätt att framställa densamma : en fi
  • DE642220C - Automatic fine grinding mill for chocolate, paint and similar masses with upstream mixing device : de en
  • FI17390A - Anordning förning av coniskt utvidgade bohåligheter i trästycken : en fi
  • FR809170A - Advanced floor : en fr
  • DE642232C - Rowing exercise device with automatic brake control : de en
  • US2071781A - Hydraulic transmission : en
  • GB461708A - Improvements in and relating to the construction of internal combustion engine and like radiators : en
  • FR809202A - Photoelectric light meter in combination with a photographic and cinematographic camera : en fr
  • GB462021A - Improvements relating to the production of articles by shaping from plastic materials : en
  • FR809054A - Improvements to shooting devices : en fr
  • AT148694B - Process for the production of compressed yeast. : de en
  • BE419620A - : en fr
  • GB461718A - Improvements in and relating to road vehicles and toy vehicles : en
  • GB461881A - Regenerative braking on electrically driven vehicles : en
  • US2072002A - Can puncturing and closing means : en
  • USD103305S - Design for a merchandise dispensing : en
  • CA364384A - Long cylinder grinding apparatus : en fr
  • CH189422A - Transport device, in particular for moving printed sheets in machines of the printing trade. : de en
  • GB462019A - Improvements in or relating to apparatus for applying facing material to tiles, bricks, and the like : en
  • US2071488A - Antifreeze lubricating grease : en
  • GB461774A - Improvements in or relating to methods of and apparatus for abrading lenses : en
  • US2071342A - Translucent projection screen : en
  • US2071928A - Collapsible table or the like : en
  • FR809023A - Method and device for destroying pests, molds or bacteria : en fr
  • FR809233A - Process for the production of isocyanates and the resulting products : en fr
  • GB461769A - Improvements in or relating to multiplex telegraphy : en
  • GB462170A - Improvements in colouring foodstuffs : en
  • GB461837A - Improvements in or relating to the manufacture of bricks, slabs or the like : en
  • US2071347A - Multilaterally stretchable creped paper product : en
  • US2071777A - Illuminated indicating device : en
  • DE642250C - Gravure printing machine : de en
  • BE419625A - : en fr
  • CH189432A - Unbreakable stick, especially for skiers, and method for making same : de en
  • CH189442A - Cathodic oscillograph with device for producing a sawtooth magnetic field. : en fr
  • DE642130C - Method for pumping thick sludge : de en
  • PL24489B1 - Device for disinfection : en pl
  • FI17368A - Klämsockel : en fi
  • FR809228A - Improvements to cowls for air-cooled aircraft engines : en fr
  • GR6315B - NEW TYPE OF OIL KITCHEN SWITCH. : el en
  • GB461784A - Improvements relating to the manufacture of thin-walled metal tubing : en
  • DE642086C - Machine for cutting carrots, beetroot, tubers and the like like : de en
  • GB461838A - Improvements in or relating to load controlling apparatus for compressors : en
  • GB461885A - Improvements in the manufacture and production of polyhydroxy compounds of the dibenzanthrone series : en
  • GR6327B - METHOD FOR PURIFICATION (REFINING) OF OIL. : el en
  • GB461807A - Improvements in or relating to signalling systems using very short waves and to vacuum tubes therefor : en
  • GB461876A - A combined cramp-nail, splicing-needle and sewing-needle : en
  • FI17398A - Insprutningsförbränningsmotor med från kolvrummet avskilt förbränningsrum samt självtändning : en fi
  • FR809193A - Process for manufacturing rubber articles from aqueous dispersions of rubber : en fr
  • GB461872A - An improved method for the production of sintered hard metal alloys : en
  • FR809291A - Process for manufacturing hollow articles made exclusively or partially of rubber or similar material and apparatus for making : en fr
  • IE14661L - Closing tank inlets : en
  • USD103315S - Design for an alphabet fob forming : en
  • US2071861A - Gin saw blade and its manufacture : en
  • PL24495B1 - The method of manufacturing permanent magnets and the device used for this purpose. : en pl
  • SU49528A1 - Instrument for drawing, building and marking parts : en ru
  • US2071862A - Method of producing a metal naphthenate : en
  • GB461940A - Improvements in or relating to the production of poppet valves : en
  • US2071951A - Buckle : en
  • AT148737B - Roller axle bearings, especially for field railways. : de en
  • US2071404A - Weighing scale : en
  • US2071460A - Apparatus for the electrostatic separation of mixed particles of different electrical behavior : en
  • DE642125C - Process for the treatment of aluminum alloys with copper and magnesium contents which are heat-treatable : de en
  • DK52741C - Foldable car hood. : da en
  • GB461799A - Improved manufacture of chromium hydroxide green : en
  • GB461900A - Improvements in electric motor starting switches or circuit-breakers : en
  • GB461980A - Improvements in or relating to rail motor vehicles : en
  • FI17394A - Tändsticksförpackning : en fi
  • PL24427B1 - A method for placing a disintegrating cartridge in the blast channel and a cartridge for carrying out the method. : en pl
  • US2071749A - Valve : en
  • US2071985A - Interchangeable fountain marking pen : en
  • FR809141A - Combination lock : en fr
  • DK52736C - Pneumatic Shock Absorber. : da en
  • DE641963C - Metal sheathed electrical switchgear : de en
  • US2071848A - Circuit breaker : en
  • FR809294A - Differential fabric feed device for console sewing machines : en fr
  • IE14465L - Propulsion of watercraft : en
  • PL24426B1 - Filter for removing interferences caused by high current devices. : en pl
  • PL24502B1 - Layer for printing. : en pl
  • US2071569A - Garment protector : en
  • US2072051A - Abrasive wheel : en
  • DE642166C - Method for the elemental analysis of organic or inorganic compounds : de en
  • GB461792A - Method of producing hydrogen peroxide : en
  • FI17409A - Fertilization requirements and anchorage for fiber treatment of fiber materials with chemical properties : en fi
  • PL24478B1 - Method of producing metallic magnesium by means of magnesium chloride electrolysis. : en pl
  • FR809052A - Improvements to friction clutch control devices : en fr
  • FR809087A - Low-voltage, low-frequency ripple current, usable in particular for powering luminescent tubes : en fr
  • FR809257A - New veil preserving the styling : en fr
  • FR809218A - Process for preparing cellulose xanthate solutions : en fr
  • GB461651A - Improvements relating to indicating and/or recording mechanism for weighing apparatus : en
  • GB461727A - Improvements in covered sliding-clasp fasteners : en
  • US2071320A - Clarifier : en
  • US2071350A - Fuse : en
  • US2071573A - Ignition system : en
  • US2071723A - Art of cracking hydrocarbons : en
  • US2071992A - Pianoforte : en
  • US2071545A - Egg holding container : en
  • USD103351S - Design for a bicycle : en
  • DE642152C - Circuit for two tram DC motors : de en
  • DE642195C - Extraction of pure sulfur : de en
  • USD103292S - Design for a woven textile fabric : en
  • US2071760A - Machine for welding tubular articles : en
  • US2071767A - Loose leaf book : en
  • US2071386A - Necktie wrapper : en
  • FR809019A - Device intended to prevent the tracks from escaping from the chain sprockets of tracked vehicles : en fr
  • FR809127A - New covering surfaces and their construction methods : en fr
  • CH189393A - Mountain shoe nail. : de en
  • PL24503B1 - Dehydration method - azeotropic method of spirit with a high content of acetaldehyde. : en pl
  • US2071852A - Tool retainer : en
  • CA364312A - Flexible coupling : en fr
  • CH189450A - Solder piece. : en fr
  • US2072030A - Combined raincoat and pocketbook : en
  • US2071710A - Ignition composition : en
  • CA364355A - Wirebound box blank making machine : en fr
  • DE642221C - Shutter release for roll film cameras with a printer attached to the camera housing : de en
  • US2071747A - Cosmetic holder : en
  • PL24432B1 - Agents changing the surface tension. : en pl
  • PL24428B1 - Electromagnetic apparatus for reproducing sounds with the sound carrier in the form of a tape or wire. : en pl
  • US2071501A - Adding and listing machine : en
  • AT148716B - Process for achieving a uniform hardening of conical coil springs. : de en
  • PL24483B1 - A way to increase the baking value of flour and dough. : en pl
  • US2071533A - Process of cementation : en
  • USD103322S - Design for ironing machine gear : en
  • US2071370A - Flash lighting device : en
  • US2072070A - Friction article and method of producing same : en
  • US2071654A - Odometer for railway vehicles : en
  • FR809027A - Method and apparatus for obtaining, in pure form, readily oxidizable metals : en fr
  • CA364371A - Door : en fr
  • DE642203C - Means for making easily inflammable objects and materials flame-retardant : de en
  • US2071466A - Railway truck : en
  • US2071795A - Molding press : en
  • GB461938A - Improvements in elastic yarn and fabric and method of making same : en
  • DE642133C - Device for pretreating material to be burned, preferably raw cement material : de en
  • DE642173C - Process for generating contrasts using the dusting process : de en
  • FR809238A - Improvements to physical exercise equipment : en fr
  • DE642141C - Process for cutting castings made of permanent magnet alloys : de en
  • AU52536A - Improvements inthe toe fashioning of full-fashioned hosiery : en
  • US2071330A - Three-point suspension for tank trucks : en
  • USD103338S - Design fob a gear case : en
  • USD103364S - Design for an electric control : en
  • GB461966A - Improvements in and relating to electric wave amplifying systems : en
  • GB461947A - Power-transmission mechanism, especially for power-driven vehicles, comprising a turbo-transmitter and a mechanical change-speed gear : en
  • USD103309S - Design for an air conditioning : en
  • US2071490A - Coupling mechanism : en
  • DE642114C - Column apparatus : de en
  • FR809268A - Method of making heat-insulating linings of slag wool or other material of similar structure : en fr
  • GB461661A - Improvements in or relating to electric head-lamp lighting arrangements for vehicles : en
  • GB461977A - Improvements in surgical lamps : en
  • PL24365B1 - A device for aerating liquids, especially wort, in the production of yeast. : en pl
  • US2071728A - Apparatus for utilizing blocks of carbon dioxide ice : en
  • CH189343A - Insulating plate against heat and sound. : de en
  • FR809184A - Improvements to drawing devices : en fr
  • GB461969A - Improved method of and means for dressing grinding wheels used for form-grinding : en
  • DE642101C - Timepiece using an auxiliary movement and a small synchronous motor : de en
  • PL24393B1 - A device for recording and playing sounds. : en pl
  • CH189431A - Muscle exercise machine. : de en
  • GB461790A - Process for the manufacture of laevo-ascorbic acid : en
  • FR809295A - Beanie or headband : en fr
  • GB461814A - Improvements in or relating to method of carrying bombs on aircraft : en
  • CH189376A - Paintbrush. : de en
  • CH189436A - Board game. : de en
  • AT148703B - Closure for handbags of various types, in particular briefcases. : de en
  • PL24457B1 - Electric stove. : en pl
  • USD103373S - Design fob a dress : en
  • US2071417A - Treatment of calcium magnesium chloride : en
  • FR809032A - Gasoline vibratory stirrer for carburetor : en fr
  • CH189366A - Solid cleaning and dyeing body for shoes made of suede and its imitations. : de en
  • CH189470A - Variable transmission gear. : de en
  • CH189418A - Process to improve the adhesion and service life of organic protective coatings on corrodible heavy metal surfaces. : de en
  • CH189549A - Bearing shell with top lubrication, in particular for axle bearings of rail vehicles. : de en
  • US2071621A - Metal barrel : en
  • AU100293B2 - Improvements in trailer caravans : en
  • CH189559A - Process for the preparation of an azo dye. : de en
  • CA364332A - Light-sensitive photographic material : en fr
  • US2071396A - Shoe machine : en
  • USD103312S - Design for a shoe or similar : en
  • US2071855A - Ship propulsion stability control : en
  • PL24471B1 - A method of wrapping eggs and an apparatus for making a wrapping according to the method. : en pl
  • US2071334A - Freight container : en
  • FR809099A - Further training in electrically heated saturated steam sterilization ovens : en fr
  • FR809231A - Improvements to mechanical hammers or similar apparatus : en fr
  • CH189413A - Process for the production of a plastic. : de en
  • CH189461A - Spray gun for spraying paint. : en fr
  • US2071401A - Combined crowding and staking tool for watchmakers : en
  • US2071748A - Rectifier tube : en
  • GB461820A - Apparatus for extracting cores from the side wall of well bores : en
  • AT148653B - Impulse transmitter for establishing predetermined telephone connections. : de en
  • AU100292B2 - An improved bathing cap : en
  • US2072010A - Automatic adjusting device : en
  • US2071448A - Cereal dehydration plant : en
  • FI17407A - Slipsten : en fi
  • CA364345A - Food wrapper : en fr
  • DE642090C - Sewing machine for making a single thread seam : de en
  • US2071459A - Process of purifying polyglycerol esters : en
  • US2071464A - Ionic discharge tube : en
  • US2072075A - Folding chair : en
  • CA364377A - Theft preventing bolt : en fr
  • GB461907A - Improvements in or relating to cathode ray tubes : en
  • CH189335A - Drive device for the cutting unit of mowing machines. : de en
  • AU100283B2 - Improvements in and relating to toy duilding blocks tiles, bricks and the like : en
  • USD103358S - Design for a sanitary lavatory brush : en
  • DE642017C - Positioning device on punching machines, stamping machines, etc. like : de en
  • DE642066C - Electrical circuit breaker in base form with switch lock : de en
  • CH189402A - Process for the preparation of a wetting, dispersing and emulsifying agent. : de en
  • CA364380A - Rod baking process : en fr
  • PL24419B1 - A method of producing a porous mass. : en pl
  • US2071374A - Sensitizing of photographic emulsions : en
  • CH189369A - Curtain pulling device with hollow running rail and inner roller. : de en
  • CH189466A - Pocket box for matches. : en fr
  • US2071552A - Floating roof for storage tanks : en
  • US2071602A - Noncorrosive lined container : en
  • US2072060A - Wire coating process and apparatus : en
  • AT148662B - Overcurrent time relay fed via a current transformer. : de en
  • FR809189A - Improvements to transmissions for aerial propellers : en fr
  • US2071432A - Spark plug : en
  • US2071514A - Pad support and holder for general use : en
  • US2071819A - Moving stairway : en
  • US2071393A - Gas separator : en
  • US2071442A - Weighing scale : en
  • US2071557A - Combination flashlight and headlight : en
  • US2071825A - Packing : en
  • US2072050A - Garment construction and method of making the same : en
  • DE642163C - Method for testing magnetizable materials for cracks and irregularities : de en
  • DE642209C - Stroboscope for subjective observation of fast-moving processes : de en
  • FI17383A - Till barnsäng eller enmanssäng omvandlingsbar fåtölj : en fi
  • GR6326B - GRILL ROD FOR STEAM BOILER. : el en
  • US2071640A - Train describing and recording system : en
  • GB461654A - Improvements in burner apparatus for soldering, welding and like operations : en
  • GB461755A - Improvements in or relating to regenerative control systems for electric traction motors : en
  • GB461744A - Improvements relating to a process and apparatus for intaglio or other printing : en
  • USD103306S - Design for a spoon or other article : en
  • USRE20275E - Gypsum lumber : en
  • CA364310A - Sulphur material extraction : en fr
  • US2071850A - Garment storage bag : en
  • US2071879A - Mixer : en
  • US2072015A - Process for the treatment of unsaturated halides : en
  • FR809223A - Optical illumination system particularly intended for projection : en fr
  • CH189400A - Process for cleaning liquid, non-food substances. : de en
  • CA364385A - Wood joint : en fr
  • AT148718B - Process for the production of foils. : de en
  • PL24455B1 - Method of neutralizing the non-specific component in sera, vaccines, organopreparations and similar substances. : en pl
  • US2071808A - Method and apparatus for fusion welding : en
  • CH189497A - Multi-phase spark gap arrangement with electrodes in flowing gas, especially for arc converters. : de en
  • CH189460A - Drum with sieve for centrifugal machines. : de en
  • AT148669B - Device for connecting low-voltage lighting fixtures to the network. : de en
  • CA364370A - Roofing or surfacing material : en fr
  • CH189446A - Watchglass. : en fr
  • PL24367B1 - Device for amplifying photoelectric currents. : en pl
  • CA364301A - Coating composition : en fr
  • AU190236A - An improved holder for knitting wool : en
  • DE642109C - Air jig : de en
  • FR809269A - Rodless distribution for piston machines : en fr
  • US2072001A - Propeller shaft lubricating apparatus : en
  • PL24415B1 - grooves. : en pl
  • PL24397B1 - The skeleton of a fuselage, wings or similar airplane parts. : en pl
  • US2071526A - Overflow conduit for rectifying columns : en
  • US2071851A - Windshield wiper : en
  • GB461739A - Improvements in or relating to centrifugal separators : en
  • FR809271A - Device for photographing fingerprints and other court documents : en fr
  • US2072045A - Hydraulic compressor : en
  • AT148738B - Air heaters for air heaters, in particular for railway vehicles. : de en
  • US2071358A - Gauge and locating device for torpedo tubes : en
  • US2072038A - Infant's bathing device : en
  • US2071558A - Article of manufacture : en
  • USD103340S - Design fob a chair : en
  • USD103368S - Design for a slip : en
  • DE642062C - Metal jacking board for tunnels, channels, tunnels, etc. : de en
  • GR6319B - METHOD OF TREATMENT OF-PRODUCTS OF PLANTS AND STARCH AMYLOZAKCHAROU ON CORN STARCH TO APOLAVIN QUALITY PERIECHOMENIS IN SUCH ANOYPOPROIONTA AND NON DYNAMENIS TO APOCHORISTHIDIA TOUMECHRI currently used industrial processes. : el en
  • AT148723B - Process for the production of rubber or similar panels. : de en
  • USD103324S - Design for a drawer pull : en
  • USD103377S - Design fob a textile fabric : en
  • US2071338A - Illusion portrait mount and compact for fashion anticipation : en
  • US2071365A - Wax applicator and method of making the same : en
  • CH189338A - Process for the production of decorative plastic figurines by means of living plants, and figurine obtained by means of this process. : en fr
  • USD103297S - Design for a spectacle frame or simi : en
  • USD103341S - Design for an inkwell : en
  • PL24463B1 - JO-jtf-hr-ZST 'A transmission that enables short-term resistances to be overcome continuously. : en pl
  • AT148715B - Process for the continuous digestion of bauxite. : de en
  • CA364277A - Heat exchanger : en fr
  • DE642073C - Lock part for jacquard circular knitting machines : de en
  • FR809169A - Banana Shaped Socket Plug : en fr
  • PL24446B1 - A method of producing peat briquettes and a device for performing this method. : en pl
  • US2071491A - Centralizing and controlling mechanism for car couplers : en
  • US2071733A - Reception system : en
  • US2071332A - Telephone holder : en
  • CH189383A - Decorative seam sewing machine. : de en
  • AU100305B2 - Improvement insound reproducing apparatus : en
  • DE642233C - Ball game : de en
  • FR809068A - New electrical switch for high voltage : en fr
  • GB462025A - Improvements in vehicle wheels : en
  • PL24434B1 - A lock with stops adjustable by a key bit and a key for this lock. : en pl
  • PL24498B1 - A method of simultaneously grinding and drying wet materials, and an apparatus for carrying out the method. : en pl
  • US2071646A - Means for making rubber printing type and plates : en
  • US2071353A - Compositions for fireproofing : en
  • US2071803A - Acyl octahydro follicle hormones and their production : en
  • AT148704B - Process for the deformation of iron-carbon alloys such as pig iron, cast iron or malleable cast iron. : de en
  • US2071776A - Purification of sugar factory and refinery juices : en
  • USD103376S - Design for a textile fabric : en
  • FR809235A - Mineral oil refining process : en fr
  • PL24409B1 - A note to the note. : en pl
  • SU48104A1 - The method of obtaining acetopropyl alcohol : en ru
  • US2071944A - Draining rack : en
  • US2071584A - Machine for forming radiator strips : en
  • AT148721B - Reinforced concrete hollow beams for buildings, in particular ceilings, and processes for their production. : de en
  • CA364356A - Heat exchange unit : en fr
  • GB461847A - Improvements in or relating to thermo-adhesive textile fabrics and processes of preparing same : en
  • CH189441A - Electrical testing and measuring equipment. : de en
  • DE642117C - Device for controlling or regulating grid-controlled discharge sections : de en
  • US2071707A - Electric furnace for melting glass : en
  • DE642072C - Flat weft knitting machine for the production of a stocking in one operation : de en
  • US2071847A - Bottle : en
  • SU48955A1 - Self-adjusting press for pressing thermoplastic masses : en ru
  • CH189345A - Door leaves for telephone booths. : de en
  • PL24408B1 - : en pl
  • US2071914A - Pressure compensation for packing : en
  • US2071737A - Magnetic track brake construction : en
  • US2071939A - Halogen derivatives of alpha-ethyl propyl cresols : en
  • US2071885A - Shock absorber : en
  • PL24466B3 - A method of producing salt with base exchange materials. : en pl
  • US2071718A - Variable load brake : en
  • DE642262C - Curling iron with adjustable joint : de en
  • USD103325S - Design for a combined portable vac : en
  • PL24370B1 - A method for winding artificial silk threads during their production with the aid of pre-spinning centrifuges and treatment of the obtained rolls, and an apparatus for carrying out this method. : en pl
  • US2071822A - Fabricated vegetable fibrous material and method of making the same : en
  • PL24418B1 - Device for drying paper tape in a paper machine. : en pl
  • US2071986A - Bellows : en
  • GB461749A - Improvements in or relating to systems of radio transmission and reception : en
  • CH189452A - Forged aluminum plate for the manufacture of cooking vessels and processes and equipment for their manufacture. : de en
  • US2071456A - Domestic screening plant and bin arrangement for coal : en
  • US2071649A - Apparatus for the production of music : en
  • CH189563A - Steam and hot water generator. : de en
  • CH189424A - Device for winding cinematographic films, intended for projection devices. : en fr
  • PL24459B1 - A prosthesis used on internal human or animal organs, especially a chewing prosthesis. : en pl
  • US2071607A - Electric hydrometer : en
  • US2071901A - Shoemaker's stitching awl : en
  • CA364285A - Incandescent lamp base : en fr
  • DE642223C - Process for the production of photosensitive layers : de en
  • US2071496A - Higher aromatic keto fatty acids and process of producing same : en
  • US2071327A - Process of racemizing amino acids : en
  • US2071375A - Relief valve : en
  • US2071568A - Brake beam safety support : en
  • DE642134C - Sealable lid closure for boxes and. like : de en
  • DK52729C - Locking and stopping device for electrically operated elevators. : da en
  • FR809095A - Coffee maker : en fr
  • PL24400B1 - A method of annealing cast iron pipes and the pipe obtained this way. : en pl
  • US2071458A - Laying-out and printing device : en
  • CA364299A - Neon sign inside frosting : en fr
  • US2071713A - Terminal clip and distributing block : en
  • US2071345A - Striping or banding machine : en
  • CA364372A - Rubber sheath, katheter, etc. : en fr
  • AU100298B2 - Improvements inthe elastic suspension of engines : en
  • BE419333A - Artificial wood slab, wood stone, etc., of special composition for any coverings and machine to manufacture it : en fr
  • CA364271A - Artificial teeth fastening method : en fr
  • BE419277A - : en
  • CA364317A - Circuit coupling device : en fr
  • CH189347A - Traffic lane. : de en
  • CH189471A - Fluidless speed and force transmission device. : de en
  • CA364293A - Catalyst and process : en fr
  • CA364295A - Rubber bonded abrasive article : en fr
  • DE642095C - Valve bung for liquid container : de en
  • AT148675B - Light pickup. : de en
  • DE642065C - Electromagnetic release with two armatures : de en
  • FR809018A - High pressure mercury electric lamp : en fr
  • DK52731C - Procedure for Connecting the Formwork Flags by Casting Walls and Similar Building Parts of Concrete. : da en
  • FR809065A - Connection device serving as a vibration and shock absorber : en fr
  • AT148740B - Double-walled paper container with a pull tab. : de en
  • DE642218C - Socket pipe for the production of valves for internal combustion engines that are hollow in the plate and in the shaft : de en
  • GB461638A - Improvements relating to self-locking nuts : en
  • US2071750A - Pipe coupling gasket : en
  • AT148676B - Fastening device for telephone receiver cover. : de en
  • US2071620A - Convertible vehicle : en
  • CH189478A - Installation for fuel injection and adjustment of a direct injection internal combustion engine. : en fr
  • FI17419A - Anordning för öppnande av slutna plåtkärl, särskilt konservdosor och dylikt : en fi
  • FR809021A - Combination key for locks : en fr
  • US2071351A - Muffler for internal combustion engines : en
  • CA364286A - Electric lamp : en fr
  • CA364311A - Cyanide process : en fr
  • US2071499A - Locking device for crane hooks : en
  • US2071611A - Well reamer : en
  • US2071697A - Volumetric analysis apparatus : en
  • US2071765A - Method of enameling : en
  • US2071912A - Device for marking X-ray negatives : en
  • US2071960A - Shaker cap : en
  • CH189353A - Liquid heater. : de en
  • AT148710B - Steel alloy for permanent magnets. : de en
  • DE642227C - Freewheel device arranged between the change gear of motor vehicles and the vehicle driving axle : de en
  • CH189410A - Whitening preparations and methods of making same. : de en
  • PL24371B1 - A device for escapement for moving organs subjected to the direct action of the force of tension in elastic systems. : en pl
  • US2071591A - Sewage treatment : en
  • US2071964A - Clasp brake : en
  • DE642088C - Fine boring spindle : de en
  • PL24496B1 - Impact device for hammers driven by an electric motor. : en pl
  • US2071780A - Connecter for taps, pipes, and the like : en
  • US2071894A - Bow for stringed instruments : en
  • AT148746B - Two-way telephony or two-way telegraphy. : de en
  • AU108936A - Improvements in trailer caravans : en
  • FR809280A - Low Ash Coal Processing Process : en fr
  • GB461705A - Improvements in and relating to advertising and like devices : en
  • CH189416A - Method and device for treating objects of all kinds with volatile organic solvents. : de en
  • FR809155A - Lightweight portable liquefied gas stove : en fr
  • AT148672B - Raster device for television receivers. : de en
  • CH189472A - Method and device for the control of flying piston compressors. : de en
  • US2071423A - Ultra high frequency oscillation generator : en
  • US2071772A - Joint assembly and nailing strip : en
  • US2071472A - Water-sand blast gun : en
  • US2071770A - Apparatus fob distributing ob col : en
  • CA364294A - Abrasive article : en fr
  • GB461750A - Improvements in or relating to suction cleaning and sweeping machines : en
  • CA364257A - Engine fuel injector : en fr
  • FR809259A - Hair curler : en fr
  • FR809263A - Device for returning hot condensed water to the main steam boiler feed pump : en fr
  • FR809126A - Control system of a thermoelectric group combined with a system for regulating the excitation of the electric generator : en fr
  • USD103349S - Design fob a shoe : en
  • GB461710A - Improvements in and relating to electrical immersion heaters : en
  • GB461956A - Improvements in and relating to fluid operated expansible elements : en
  • CA364322A - Oil component extraction : en fr
  • PL24465B1 - The method of producing non-woven material. : en pl
  • US2071377A - Laminated safety glass : en
  • FI17362A - Apparat för uppvärmning eller avkylning av vätskor : en fi
  • GB461912A - Improvements in and relating to electric lamp sockets : en
  • GB461747A - Wetting agents for alkali lyes : en
  • IE14345L - Advertising signs : en
  • GB461923A - Improvements in or relating to dust-shields for corners of stairs, rooms, and other domestic structures and fittings : en
  • US2071328A - Fitting of front fenders, lamps, and radiator upon a carriage body : en
  • US2071505A - Fastener : en
  • US2071798A - Refrigeration : en
  • FR809261A - Preparation process for plastics : en fr
  • PL24493B1 - Automatic pack spreader. : en pl
  • PL24494B1 - Wiping device. 34 1, 18/02. : en pl
  • GB461788A - Improvements in or relating to the construction of crucible ovens for the glass and other industries : en
  • FR809190A - Contact breakers for incandescent lamps : en fr
  • FR809213A - Improvements to television sets : en fr
  • US2071373A - Vibratory apparatus : en
  • US2071893A - Eyeglass construction : en
  • GB461732A - Improvements in or relating to clutch plates : en
  • FR809009A - Lubricant dispensing device forming a central station for the maintenance of motor vehicles : en fr
  • US2072052A - Firing table : en
  • GB461711A - Improvements in and relating to ventilators for road vehicles, aircraft and ships : en
  • GR6329B - SYSTEM AUTOMATIC CLOSURE ADJUSTMENT SYSTEM. : el en
  • DE642167C - Procedure for registering the dust content in gases : de en
  • PL24448B1 - : en pl
  • US2071706A - Water bag or the like : en
  • US2072066A - Toggle bolt : en
  • FR809300A - New method of manufacturing funerary monuments and the like : en fr
  • GB461722A - Method for the manufacture of reinforced concrete masts : en
  • GB461848A - Improvements in or relating to shaker tables particularly those intended for use in the moulding of articles in concrete : en
  • GB461952A - Improvements in preparing rolled metal bands for annealing in muffle furnaces : en
  • DE642061C - Device for evenly placing a multiple supported lifting structure on its support bearing, especially for lifting bridges : de en
  • GB461701A - Improvements relating to folding chairs : en
  • FR809031A - Pelletizing process : en fr
  • US2071529A - Filter for lubricating oil : en
  • US2071575A - Spring fastener : en
  • DE641998C - Process for the optional simultaneous or separate remote operation of differently tuned receiving relays in overlay remote control systems : de en
  • DE642194C - Process for the production of matt effects on artificial silk : de en
  • FR809105A - Plane lookout : en fr
  • GB461877A - Sewing machine : en
  • FR809025A - Improvements to electric shock devices : en fr
  • US2071517A - Multipactor phase control : en
  • US2071363A - Power reverse gear : en
  • FR809287A - Method and device for filling small containers, in particular for filling reservoir pen holders : en fr
  • GB461957A - Improvements in or relating to substitutes for fatty alcohols : en
  • CA364266A - Automobile brake rigging : en fr
  • DK52722C - Poles for Electric Machines. : da en
  • FI17386A - The section panel is made for the brand name : en fi
  • US2071534A - Apparatus for producing sulphur dioxide : en
  • US2071881A - Receptacle cover : en
  • FR809154A - Improvements to weaving looms : en fr
  • US2071834A - Polyphase impedance drop compensator : en
  • US2072044A - Vehicle body construction : en
  • DE642154C - Device for irradiating blood or pus, in particular with ultraviolet light : de en
  • US2072018A - Illusory display device : en
  • PL24486B1 - KU 49 i, ife- Metal ring as blank for processing on a rolling mill. : en pl
  • CA364270A - Di-calcium phosphate : en fr
  • CA364349A - Roll grinding machine : en fr
  • CH189342A - U-shaped shuttering block for concrete structures. : de en
  • US2071831A - Shock absorber : en
  • US2071868A - Recovery of moisture for use on lighter-than-air aircraft : en
  • US2072019A - Automobile rocking device : en
  • FR809113A - Improvements to flexible sheds or similar covers and new fixing rafters : en fr
  • US2071497A - Apparel : en
  • USD103331S - Design fob a shoe : en
  • PL24412B1 - A car, especially a trailer with double tires. : en pl
  • DE642282C - Process for felling cellulose acetate : de en
  • CH189420A - Loose leaf scrapbook. : de en
  • US2071673A - Radiator front : en
  • GB461866A - Process for the production of diaminoalcohols of the aromatic series : en
  • GB461767A - Improvements in or relating to welding : en
  • GR6339B - SPRING WHEELS. : el en
  • GR6325B - PERFECTIONS IN AND IN RELATION TO BICYCLES (PEDAL) OF BICYCLES. : el en
  • GB462124A - Improvements in or relating to machines for operating upon heels : en
  • FR809262A - Lighting installation more particularly intended for aerodromes : en fr
  • US2071929A - Oiling device : en
  • AT148731B - Cord watch strap. : de en
  • CA364375A - Road construction : en fr
  • CH189543A - Fire enamelled license plate for vehicles. : de en
  • FR809195A - Device for resiliently mounting support rods of automobile bodies tilting in bends : en fr
  • DK52732C - Jalousidannet Gate to Garages and similar Rooms. : da en
  • PL24424B1 - The method of producing filter masses. : en pl
  • US2071539A - Power feed for drilling machines : en
  • US2071592A - Vehicle body : en
  • US2071830A - Window shade : en
  • US2071958A - Method for producing intermittent : en
  • DK52725C - Needle holder. : da en
  • US2071598A - Method of producing fuming sulphuric acid having a high concentration : en
  • US2071678A - Gas generating boiler for central heating : en
  • DE642128C - Bag, pouch or the like : de en
  • DK52726C - Mill, especially for Spices. : da en
  • US2071626A - Leather substitute and method of making the same : en
  • GB461648A - Improvements in or relating to cumbustion train elements and fuzes for blasting and pyrotechnic and the like purposes : en
  • GB461953A - Method of and means for clamping girders and the like together : en
  • DE642102C - Ballast coil for electricity consumers working with gas discharge : de en
  • DE642226C - Ball joint coupling, especially for trailers of motor vehicles : de en
  • FI17397A - Fructplockare : en fi
  • GB461839A - Improvements in and relating to internal combustion engines : en
  • US2071631A - Water purifying and cooling system : en
  • FR809134A - Improvements to taps for hot and cold water or other liquids : en fr
  • GB461961A - Improvements in or relating to automatic fire arms : en
  • GB461738A - Improvements in vacuum cleaning machines : en
  • PL24506B1 - A method of recovering valuable oils from hydrocarbon mixtures containing asphalts or resins. The patent depends on the patent No. 23947 in the scope of claims 1 and 2. : en pl
  • US2071657A - Self-closing nozzle for containers : en
  • US2071582A - Power transmission mechanism : en
  • US2071815A - Dispensing container : en
  • US2071563A - Abrading apparatus : en
  • GB461756A - Improvements in the manufacture of metals and alloys : en
  • FR809197A - current pulse transmitter comprising a cam cylinder : en fr
  • GB461973A - Improvements in display or pattern cards for yarns and methods for producing the same : en
  • CA364321A - Vibration dampener : en fr
  • FR809053A - Internal combustion engine : en fr
  • GB461865A - Improvements in and relating to door locks : en
  • US2071422A - Kitchen utensil : en
  • US2071452A - Low dielectric loss ceramic product and method of making : en
  • FR809245A - Coupling device for oscillating circuits : en fr
  • FR809185A - Method of manufacturing hosiery and the like : en fr
  • FR809034A - Stabilization process for cellulose esters : en fr
  • DE642105C - Device for filling fluid gears : de en
  • FR809114A - Retractable support for aircraft night landing rocket : en fr
  • GB461976A - Improvements in hydro separators : en
  • GB461939A - Amusement device : en
  • CA364281A - Siding shingle : en fr
  • US2071809A - Welded structure : en
  • DE642190C - Compass with relief of the magnet system : de en
  • DE642268C - Slide rule : de en
  • GB461765A - Improvements in or relating to strainers or filters : en
  • US2071506A - Tool for applying fasteners : en
  • US2072007A - Brake shoe key : en
  • GB461753A - Tell-tale device for telegraph printing apparatus : en
  • DE642056C - Process for producing a substance containing magnesium silicate : de en
  • GB461647A - Improvements in or relating to blasting charges : en
  • DE642079C - Hammock : de en
  • DE642068C - Device for controlling an electric current by means of grid-controlled vapor discharge paths : de en
  • CA364303A - Phosphate manufacture : en fr
  • CA364369A - Furnace : en fr
  • FR809016A - Distributor for pneumatic tool : en fr
  • US2071356A - Method for teeing golf balls and device therefor : en
  • US2071398A - Radio receiver : en
  • US2071888A - Ironing machine : en
  • US2071436A - Acid and water-proofed articles and method of making same : en
  • US2071597A - Stem for electron discharge devices : en
  • USD103304S - Design fob a screw : en
  • DE642237C - Compression refrigeration machine : de en
  • GB461793A - Improvements in stop-feed mechanism for lathes and like machine tools : en
  • DE642055C - Process for grinding organic and inorganic substances to the highest, especially colloidal, fineness : de en
  • FR809265A - Development of internal combustion engines : en fr
  • GB461707A - Improvements in or relating to bye-pass valves for oil coolers : en
  • GR6320B - SPRAYER VALVE. : el en
  • DE642087C - Process for preventing the formation of resin-like substances in fuels : de en
  • PL24379B1 - Ski with light metal slide base. : en pl
  • US2071400A - Last : en
  • US2071666A - Sectional metallic building construction : en
  • US2071918A - Mop : en
  • US2071931A - Banana peeler : en
  • US2071650A - Combined can bail and opener : en
  • US2071675A - Combined radiator shell and grille : en
  • DK52728C - Door panel. : da en
  • FI17396A - Sahra : en fi
  • CH189455A - Clamping device for automatic drilling and milling machine. : en fr
  • CH189511A - Preparations for washing and caring for living hair. : de en
  • US2071540A - Spring cushion : en
  • AT148674B - Selenium rectifier. : de en
  • US2071878A - Cinematographic apparatus : en
  • GR6333B - PERFECTIONS IN OIL BURNER. : el en
  • US2071412A - Self-closing cap for collapsible tubes : en
  • US2071897A - Combination battery tool : en
  • US2072042A - Electrical connecting device : en
  • USD103370S - Design for a dress : en
  • USD103334S - Design for a revolving clock : en
  • US2071331A - Lens mounting : en
  • DE642216C - Method and device for monitoring and regulating working conditions by means of radiation-sensitive cells during welding : de en
  • FR809069A - Abdominal belt : en fr
  • GB461904A - Improvements relating to turbo-mechanical transmission gear : en
  • AT148748B - Electric hand igniter with dry battery and automatic contact device. : de en
  • US2071731A - Housed fire hose reel : en
  • FI17381A - How the massager is made and the massager manufactured accordingly : en fi
  • FR809005A - Internal combustion engine : en fr
  • GB461771A - Improvements in or relating to anti-robbery receptacle : en
  • GB461970A - Improvements in or relating to spring-controlled mechanism : en
  • CH189526A - Writing case. : de en
  • US2071536A - Generator : en
  • US2071601A - Lighter : en
  • FR809015A - Rotation mechanism for punches : en fr
  • FR809066A - Method of controlling auxiliary maneuvers by the sound track of a talking film : en fr
  • DK52730C - Device for pneumatic lifters and other pneumatic devices. : da en
  • GB461964A - Improvements in and relating to shields or covers for motor car radiator installations : en
  • US2071556A - Furnace conveyer : en
  • US2071856A - Package : en
  • FR809275A - Process for the enrichment of volatile substances in plant products : en fr
  • CA364342A - Table top, etc. : en fr
  • CH189414A - Process for silver-plating objects made of stainless chrome steel. : de en
  • FI17369A - Anchorage for fastening of the control lamp of the control lamp : en fi
  • FR809080A - Electric lamp : en fr
  • PL24411B1 - The chassis, especially of cars with independently pivoting wheels. : en pl
  • US2071565A - Combined cap valve and cream separator for milk bottles : en
  • CH189555A - Process for the preparation of a halogen derivative of an unsaturated sterol. : de en
  • CA364297A - Fluid pressure brake : en fr
  • AT148696B - Process for carrying out chemical or metallurgical dust-generating processes at higher temperatures in ovens or the like with subsequent electrostatic filtering of the exhaust gases. : de en
  • PL24433B1 - ki. is = a ~ 2 / 2o; Li 0 \ o W / Zo A material for the production of high-pressure boilers, compressed gas tanks, apparatus for the chemical industry subjected to high pressure, cannon barrels, rifle barrels and other objects inside empty, characterized by high resistance to stress arising from explosions and detonations . : en pl
  • AT148741B - Filling attachment for ink tanks. : de en
  • PL24421B1 - Sheath for a mining explosive cartridge. : en pl
  • US2071371A - Method of making fastener tape : en
  • US2071408A - Microscope : en
  • AU220136A - Improvements in electrolytic etching machines : en
  • CA364284A - Electric lamp : en fr
  • PL24389B1 - A method for producing threads from rubber or the like, and an apparatus for carrying out the method. : en pl
  • AT148686B - A method of manufacturing a clad with a clad metal clad sleeve made of aluminum or an aluminum alloy or a metal of at most the same plasticity as the aluminum. : de en
  • CH189558A - Process for the preparation of a metal-containing azo dye. : de en
  • CH189336A - Fruit sorting and preserving machine. : de en
  • CH189484A - Heat exchange element under internal pressure. : de en
  • US2071635A - Method of baking : en
  • US2072023A - Rayon spinning machine : en
  • US2072004A - Cinchona bark alkaloid derivative : en
  • DE642053C - Method and device for extracting oils, fats, waxes, tannins, dyes or the like in rotating drums : de en
  • US2071685A - Fastening : en
  • AT148701B - Impact tool. : de en
  • US2071391A - Apparatus for cementing wells : en
  • SU50543A1 - The method of obtaining insoluble azo dyes : en ru
  • US2071643A - Distillation of oil : en
  • GB461754A - Improvements in or relating to water softening apparatus : en
  • USD103348S - Design fob a display casing ob simi : en
  • DE642124C - Dental operating and examination chair or the like. : de en
  • DE642168C - Glass device : de en
  • AU58636A - Improvements in or connected with wardrobes and like articles of furniture : en
  • CH189373A - Collapsible table. : de en
  • AT148727B - Compound for the production of a nailable filling. : de en
  • CH189469A - Hydraulic servo-motor for reproducing, on a controlled member and at a strictly equal amplitude, the movements of a control member. : en fr
  • GB462048A - Improvements in or relating to the treatment of drying or semi-drying oils such as linseed oil to obtain resin-like products : en
  • CH189405A - Process for the preparation of acenaphthene-5,6-dicarboxylic acid. : de en
  • US2071337A - Seat attachment for water closets : en
  • US2071340A - Method of drawing fiber caps : en
  • US2071427A - Buckle for suspenders : en
  • DK52721C - Spark gap for Surge arresters. : da en
  • US2071984A - Voltage control circuit : en
  • CH189485A - Process for the production of large surface electrodes for alkaline collectors. : de en
  • AT148668B - Regulating transformer. : de en
  • AU100269B2 - Improvements in apparatus for cleaning articles : en
  • US2071524A - Process for the production of lacquers and lacquer starting materials containing artificial resins : en
  • USD103383S - Design for an enclosed cab for power : en
  • AT148719B - Process for the production of hard, low-gas cokes. : de en
  • AU120536A - Improved method of and apparatus for intermittent absorption refrigeration : en
  • CA364361A - Metallic door : en fr
  • AU56036A - Improvements in animal traps : en
  • AU51536A - Improvements in and relating to soot blowers for boilers andthe like : en
  • US2071892A - Bakepan : en
  • CH189370A - Sieve for vessels. : de en
  • CA364360A - Lift door : en fr
  • DE642140C - Arrangement for desludging a forced flow tube steam generator with the aid of an additional flushing agent : de en
  • US2071471A - Device for indicating the temperature distribution of hot bodies : en
  • US2071642A - Cultivator shield : en
  • US2072069A - Composition of matter for coating industry : en
  • DE642110C - Laundry or clothing with envelope : de en
  • DE642261C - Process for the production of long-lasting solutions of fat-soluble vitamins : de en
  • FR809224A - Improvements to rims and wheels for pneumatic tires : en fr
  • CH189504A - Orthodontic lock. : de en
  • GB461762A - Improvements relating to slate-boring machines : en
  • AT148717B - Process for dyeing cellulose-containing materials. : de en
  • CA364313A - Ferrous alloy : en fr
  • CH189479A - Method for operating mixture-compressing internal combustion engines with liquefied or pressurized gaseous fuels. : de en
  • US2072020A - Garment : en
  • DE642094C - Drive arrangement for motor vehicles with several groups of driving wheels : de en
  • DE642069C - Device for regulating the power output by a grid-controlled converter from a multi-phase network to a single-phase network or vice versa : de en
  • DE642184C - Retensioning device for catenary lines : de en
  • DE642155C - Replacement of fish silver in paints or artificial compounds on an organic basis : de en
  • FI17392A - Sätt attlagra svavel vid ämnen med flerdubbelbindningar av alifatisk karaktär : en fi
  • PL24456B1 - A method of preserving egg yolks and egg whites separately or together. : en pl
  • US2071970A - Container cover closing machine : en
  • AT148692B - Process for the production of a fertilizer from water-soluble superphosphate, lime and a poorly soluble adsorbent. : de en
  • CH189499A - Burner for liquid fuels. : en fr
  • PL24416B1 - Whitening agent. : en pl
  • US2071333A - Manufacture of organic esters of cellulose : en
  • US2071519A - Pocket routing machine : en
  • US2072036A - Portable baking oven : en
  • PL24481B1 - Absorbent cotton wool, especially for surgical purposes, and the method of its production. : en pl
  • PL24417B1 - A device with more pistons for measuring the amount of liquid flowing through. : en pl
  • GB461737A - Improvements in spectacle and like frames : en
  • GB461879A - Manufacture of oxidising or reducing agents or combined oxidising and reducing agents more particularly intended for promoting metabolic changes in living organisms : en
  • PL24447B1 - Liquid heater. : en pl
  • US2071520A - Sports lagoon and ocean terminal : en
  • US2071627A - Pick-up reel for harvester : en
  • USD103380S - Design for a dress : en
  • CH189423A - Automatic underlining device on typewriters. : de en
  • AU100282B2 - Improvements in electrolytic etching machines : en
  • CA364289A - Dyeing intermediate : en fr
  • US2071651A - Process and device for degumming ramie and other similar fibers : en
  • USD103353S - Design for a carpet or similar : en
  • US2071504A - Apparatus for filling cans and the like : en
  • USD103337S - Design fob a vehicle roof mounted : en
  • US2071860A - Electrical apparatus : en
  • FR809219A - Enhancements to visual indicators for echo sounding devices : en fr
  • GB461853A - Improvements relating to fatty oil polymers : en
  • US2071828A - Loudspeaker, sound reproducing instrument, and the like : en
  • US2071942A - Method of manufacturing iron alloys : en
  • US2071863A - Traffic guard : en
  • DE639338C - Process for peeling very thin wood veneers, especially for beech : de en
  • PL24413B1 - A motor vehicle. : en pl
  • US2071908A - Grain and seed separator : en
  • PL24366B1 - : en pl
  • US2071788A - Internally contracting disk brake for vehicles : en
  • US2071872A - Grass cutting machine : en
  • FR809049A - Process for the preparation of cellulose ester solutions and new industrial products resulting therefrom : en fr
  • US2071633A - Fuel mixture control : en
  • US2071676A - Lens for indicating devices : en
  • US2071987A - Silicic acid gels : en
  • CA364315A - Dispensing and measuring apparatus : en fr
  • CA364386A - Exercising device : en fr
  • DE642251C - Preparation desk for the book printing industry : de en
  • FR809234A - Parts made of rubber and metal for elastic reception of forces : en fr
  • CH189556A - Process for the preparation of 2,4-dinitro-3,6-dichloroaniline. : de en
  • US2071959A - Clamp : en
  • US2071998A - Separation of liquids from solids : en
  • US2072065A - Carton erecting machine : en
  • FR809039A - Method of packaging in cardboard or any suitable material and resulting products : en fr
  • FR809083A - Improvements to audible warning devices : en fr
  • DK52737C - Self-adjusting Grinder. : da en
  • GB462109A - Improvements in systems comprising piezo-electric crystals : en
  • IE14017L - Ventilators : en
  • FR809119A - Process of stereoscopic projection of cinematographic views : en fr
  • PL24404B1 - Eccentric caliber roller. : en pl
  • GB461913A - A composition for covering floors, walls and like surfaces and process of manufacturing such composition : en
  • FI17372A - Surface finishing method for leather footwear products : en fi
  • FI17375A - Temperaturregulator : en fi
  • USD103361S - Design fob a phonograph cabinet ob : en
  • CA364365A - Root watering tool : en fr
  • FR809222A - Improvements to the sides of boxes or cardboard bearing prints and to the manufacture of these sides : en fr
  • CH189409A - Process for the production of a new azo dye. : de en
  • DE642136C - Line conveyor system : de en
  • DE642059C - Permanent joint insert made of shaped sheet metal, especially for concrete pavements : de en
  • GB461805A - Improvements in method of and apparatus for producing cellular metal building units : en
  • GB461835A - Improvements in or relating to film-winding means for kinematograph apparatus : en
  • PL24492B1 - A device for the automatic control of the drive motor's run depending on the load, in particular for reciprocating shaking conveyors. : en pl
  • US2071952A - Sound film apparatus : en
  • USD103323S - Design for a mill building : en
  • DE642259C - Process to increase the viscosity of tars : de en
  • GB461854A - Improvements in or relating to machines for making tablets : en
  • GB461944A - A fold retaining device for shirts, blouses or like garments : en
  • US2071335A - Apparatus for transferring movable containers : en
  • US2071904A - Direct reading comfortable temperature indicator : en
  • US2072064A - Correction device for dictating machines : en
  • CH189564A - Process for the production of l-ascorbic acid. : de en
  • FR809100A - Improvements to automatic or semi-automatic telephone systems and in particular to satellite office systems : en fr
  • FR809164A - Brush device for manual application of glue or other liquids : en fr
  • FI17364A - Stötmaskin : en fi
  • FR809094A - Improvements to luggage racks for motor vehicles : en fr
  • FR809205A - Device for intestinal baths underwater : en fr
  • GB461819A - Improvements in or relating to sole laying in the manufacture of shoes and like footwear : en
  • GB461852A - Improvements in removable submerged screens : en
  • US2071933A - Alarm system : en
  • GB462018A - Improvements in or relating to photographic cameras : en
  • US2071975A - Separator : en
  • CH189490A - Time switch with motor lift and regulator, in particular staircase time switch. : de en
  • CH189524A - Electrical signaling installation for the remote transmission of indications. : en fr
  • DE642075C - Process for achieving uniform temperatures in objects to be heated, in particular glass objects, when they are heated in heating ovens : de en
  • GB461884A - Improvements in the manufacture and production of azo dyestuffs : en
  • DE642081C - Temperature indicator for cooking vessels : de en
  • FR809042A - Gasoline lighter : en fr
  • FI17399A - Cell cooler : en fi
  • GB462026A - Improvements in the manufacture and production of tanning agents containing iron : en
  • US2071617A - Classifier : en
  • US2071811A - Attachment for a nonfogging glazing panel : en
  • US2071757A - Key holder : en
  • CH189495A - Earth fault extinguishing coil. : de en
  • DE642164C - Device for determining the coefficient of friction : de en
  • CH189440A - Spirit level. : de en
  • CH189522A - Arrangement for television synchronization. : de en
  • GB461894A - Manufacture of 2:6-dimethylnaphthalene-1-sulphonic acid : en
  • US2071355A - Vehicle for carrying demountable bodies : en
  • PL24441B1 - A method of passing loose material through the ejection conduit of a mechanical device for pouring embankments and a device for carrying out this method. : en pl
  • US2071883A - Rear view mirror : en
  • FR809102A - 6-wheel epicyclic shifting : en fr
  • FR809260A - Excavator : en fr
  • FR809230A - Remote signaling and remote control device : en fr
  • US2071385A - Treatment of textile materials : en
  • FR809153A - Improved method and apparatus for molding pistons : en fr
  • GB461728A - Improvements in or relating to stop motions for knitting machines : en
  • GB461779A - Improved apparatus for supplying compressed air to deep-level mines for power and/or cooling purposes : en
  • FR809063A - New decorative item of jewelry or other item featuring a concealed watch : en fr
  • GB461761A - Correcting ocular defects : en
  • US2071475A - Coupling for a flywheel : en
  • USD103350S - Design fob a shoulder support for : en
  • US2071775A - Manufacture of shoes : en
  • US2071424A - Apparatus for following a target : en
  • US2071407A - Dispensing device : en
  • DE628864C - Upright piano or grand piano in which an auxiliary resonance floor is attached below the main resonance floor : de en
  • DE642084C - Method and device for determining and recording the profile of a street or a path : de en
  • GB461706A - Improvements in and relating to sound absorbing partitions, walls and the like : en
  • US2071708A - Corn planter : en
  • US2071814A - Valve : en
  • GB461734A - Improvements in or relating to electrical resonators of the transmission line type : en
  • USD103339S - Design fob a combined rotary pump : en
  • GB461897A - Improvements in vehicles for transporting liquids : en
  • CH189542A - Ignition and starter switch for motor vehicles. : en fr
  • FR809253A - Needle for picking up stitches, in knitting and crochet projects : en fr
  • FR809255A - Straw press : en fr
  • DE642159C - Grude slow-burning : de en
  • DK52744C - Shoot with a tapping plane pivotable to the sides. : da en
  • FR809035A - Improvements in furnaces and the like : en fr
  • DE642162C - Fused salt baths for the heat treatment of light metal alloys : de en
  • DE642234C - Device for carrying the crossed skis on the back : de en
  • FR809115A - Protective device against war gases and the like : en fr
  • FR809121A - Armature suspension device for electromagnets : en fr
  • FR809286A - Pure paraffin manufacturing process : en fr
  • GB461933A - Improvements in and relating to driven rollers for conveyor systems : en
  • DE642230C - Bayonet holder with top ring for military rifles : de en
  • USD103328S - Design for a textile fabric : en
  • DE642266C - Process for stabilizing uncoagulated rubber milk : de en
  • GB461759A - Steam generator for burning refuse and other low calorific fuel : en
  • GR6330B - PERFECTIONS IN METAL WELDING MACHINE. : el en
  • CA364267A - Carbureter : en fr
  • CH189453A - Drilling machine with at least one drilling spindle. : de en
  • CA364343A - Paper machine : en fr
  • CH189527A - Advertising body. : en fr
  • CH189360A - Smoldering box for the production of semi-coke from hard coal. : de en
  • US2071554A - Gasoline dispensing apparatus : en
  • US2071827A - Protective armor for football players and the like : en
  • US2071980A - Machine tool : en
  • US2072043A - Musical instrument pitch control accessory : en
  • CA364335A - Plug fuse : en fr
  • AT148697B - Method and device for improving the strength of artificial fibers, threads and other textile materials as well as foils, films and the like. like : de en
  • AT148663B - Electric voltage tester. : de en
  • US2071451A - Movable vehicle lifting device : en
  • US2071318A - Cooking utensil : en
  • US2071454A - Insulating lath material : en
  • US2071836A - Pigmented composition : en
  • US2071940A - Buckle : en
  • DE642071C - Process for cleaning and dewaxing mineral oil : de en
  • AU58336A - Improvements in or relating to photographic developers : en
  • CH189477A - Method for mixture formation in internal combustion engines. : de en
  • CH189480A - Pressurized compressible fluid starting device for multi-cylinder internal combustion engines. : en fr
  • US2071932A - Process of polymerization : en
  • AT148667B - Process for improving halftone reproduction in television image intensifiers. : de en
  • DE642243C - Grater washing machine with back and forth as well as up and down movable grater : de en
  • US2071421A - Gasifier for heating industrial appliances : en
  • BE419463A - : en fr
  • AT148689B - Heat-resistant aluminum-chromium-steel alloys. : de en
  • AT148711B - Soul electrodes and process for their manufacture. : de en
  • CA364359A - Extruded slug producing apparatus : en fr
  • CH189361A - Central heating boiler for log fires. : de en
  • US2071392A - Apparatus for cementing wells : en
  • US2071434A - Method and machine for producing flakes and the like from plastic masses : en
  • US2072047A - Washing machine : en
  • IE14431L - Flexible transparent sheets : en
  • US2072046A - Automatic radio receiver : en
  • GB461821A - Tool particularly for tightening or unscrewing screws and the like : en
  • GB461685A - Improvements in tanning hides and pelts with the aid of iron compounds : en
  • GB461888A - Improvements in the preparation and use of catalytic bodies : en
  • US2071790A - Method and means for flushing defecators : en
  • US2071662A - Container and hoop construction : en
  • US2071719A - Internal combustion engine : en
  • AT148730B - Recirculating air sifter with spreading disc for the raw material. : de en
  • FR809033A - Device for supporting the bobbin and guiding its thread, applicable to the bobbin changing mechanisms of looms : en fr
  • US2071542A - Friable core fob molds : en
  • FI17355A - Fodrings- och prydnadsplåt : en fi
  • FI17377A - Luftförvärmare för varmvatten- och ångpannornas eldstäder : en fi
  • GR6317B - RINGS ARE SCREWED BY LIGHTWATER AND BAKT, FROM SYNTHETIC RESINS (BAKED) OR OTHER PLASTIC SUBSTANCES AND NOT METAL. : el en
  • PL24453B1 - Connector for snakes that can be disconnected. : en pl
  • US2071483A - Filter : en
  • US2071773A - Welding apparatus : en
  • US2071858A - Radio receiving system : en
  • GB461899A - Improvements in and relating to the insulation of electrical wires : en
  • DE642083C - Throttle device for stove pipes : de en
  • US2071634A - Cushion reverse drive for outboard motors : en
  • USD103354S - Design fob a venetian blind : en
  • GB461686A - Improvements relating to a device for gathering leaf from tea bushes : en
  • AT148743B - Attachment for insulating panels. : de en
  • FI17370A - Kvickilverånghögtryckslampa med ädelgasgrundfyllning och glödelektroder : en fi
  • DE642074C - Machine with sickle-shaped working area and eccentric moving piston : de en
  • GB461981A - Improvements in the manufacture of coloured asbestos cement products in sheet form : en
  • DE642121C - Device for distilling hydrocarbon oils : de en
  • DK52740C - Wheel bearing, in particular Front wheel bearing, for Automobiles and other Vehicles. : da en
  • FI17373A - The preparation is for the production of fast resin emulsion : en fi
  • FI17402A - The mask for the metal is made of wood and linen : en fi
  • FR809196A - Lubricating device, in particular for automatic casting machines : en fr
  • GB461715A - Improvements in lubricating compositions : en
  • FR809132A - Improvements to gas cleaning devices : en fr
  • CH189444A - Main shaft on calculating machines. : de en
  • US2071609A - Catcher table for rolling mills : en
  • US2071689A - Distant transmission of angular movements : en
  • US2071729A - Extension table : en
  • US2071927A - Flexible container : en
  • US2072035A - Sound damping device for loudspeakers : en
  • CA364367A - Garden tool : en fr
  • FR809283A - Shoe soles engraving lip opening and lifting machine : en fr
  • FR809037A - Product for the destruction of insects, parasites and all other harmful animals : en fr
  • GB461791A - Improvements relating to fuel injection or like pumps : en
  • PL24449B1 - : en pl
  • US2071361A - Catalytic oxidation of naphthalene : en
  • GB461741A - Improvements in and relating to machine guns : en
  • FR809011A - Conductor for high frequency transmission : en fr
  • GB461650A - Improvements in or relating to the production of resin emulsions : en
  • CH189501A - Gas ramp with two communicating branches, in stamped sheet metal, and process for its manufacture. : en fr
  • US2071799A - Rotary engine : en
  • US2071782A - Cinematographic projector employing combined sound and picture films : en
  • US2071961A - Apparatus for the control of highway crossing signals : en
  • US2071579A - Clutch for rotary draw works : en
  • GB461713A - Improvements in and relating to torsiometers : en
  • DE642008C - Liquid brake, especially for winches : de en
  • FR809272A - Improvements to metal lamps for detection, amplification or generation of oscillations : en fr
  • DE642182C - Engine control : de en
  • GB461642A - Improvements in and connected with spring and steering systems for road and rail vehicles : en
  • DE642200C - Device for measuring the power factor by means of grid-controlled discharge vessels : de en
  • USD103352S - Design fob a motion picture viewer : en
  • GR6336B - HOW TO PRODUCE MOTION. : el en
  • DE642207C - Equipment for light measurement : de en
  • FR809292A - Method of regulating the supply pressure of internal combustion engines : en fr
  • FR809040A - Stapling device for pipes assembled by push-fit joint : en fr
  • GB461496A - Improvements relating to visors or screens for vehicle driving mirrors : en
  • GB461832A - Improvements relating to overseam sewing machines : en
  • US2071546A - Method of testing radiator cores : en
  • FI17354A - The refining rate for the production of butanol : en fi
  • FR809162A - Electric discharge tube containing several grids and arrangement comprising such a tube : en fr
  • FI17414A - Skumförädlare : en fi
  • US2072008A - Adjustable speed electric motor : en
  • US2071876A - Fluid fuel burner control : en
  • GB461794A - Improvements in and relating to packages for cigarettes : en
  • PL24484B1 - Metal body, especially for buses. : en pl
  • US2071613A - Clutch mechanism for combustion motors : en
  • US2071977A - Coil winding for dynamo-electric machines : en
  • PL24429B1 - Bleach, washing and cleaning agent. : en pl
  • PL24431B1 - Pest control agent containing prussic acid. : en pl
  • GB461887A - Improvements relating to internal combustion turbines : en
  • GB461901A - Improvements in safety pins for clothing, brooches and the like : en
  • FR809203A - Electric traction catenary line anti-sway claw and anti-sway designed to receive it : en fr
  • US2071479A - Game toy : en
  • GR6331B - METAL WELDING MACHINE. : el en
  • US2071943A - Electromagnetic clutch : en
  • PL24458B1 - A circuit of connections and an electron tube for the production of intermediate frequencies. : en pl
  • US2071410A - Freezing, mixing, and chopping machine : en
  • US2071683A - Machine for seaming lids on cans : en
  • AT148677B - Electric discharge lamp which, in addition to a basic inert gas filling, contains a metal that is more difficult to vaporize, such as sodium. : de en
  • AT148736B - Change gears for bicycles. : de en
  • AU100286B2 - Improvements in multiplex telegraphic and telephonic systems : en
  • PL24499B1 - Hammer impact device. : en pl
  • US2071768A - Loose leaf book : en
  • US2071500A - Overhead acting door : en
  • FI17403A - Procedure and apparatus for deacidification of milk, milk products and dairy waste by electrical treatment : en fi
  • USD103369S - Design fob a gilet : en
  • DE642169C - Air duct for wind-faced spring roller mills : de en
  • FR809061A - Improvements to very high frequency current generators : en fr
  • CH189525A - Telecommunication device for remotely operated organs that are grouped together according to individual stations : de en
  • CA364329A - Bearing : en fr
  • PL24368B1 - A shotgun cartridge. : en pl
  • SU48514A1 - Device for transmitting sound : en ru
  • US2071480A - Vehicle suspension mechanism : en
  • DE642187C - Device for the automatic regulation of the excitation of electrical machines : de en
  • DE642204C - Process for achieving a surface finish on rubber goods : de en
  • US2071397A - Rail joint : en
  • US2071865A - Building wall assembly : en
  • USD103313S - Design for a shoe ob similar : en
  • US2071741A - Fluid pressure brake : en
  • DE642137C - Process and device for the production of carbonated beverages : de en
  • DK52738C - Procedure for the manufacture of oil-free vegetable phosphatide products. : da en
  • US2071431A - Gymnasium and outing shoe : en
  • CH189415A - Method of alloying a metal with the surface of an object made of another metal. : de en
  • US2071425A - Calculating apparatus for firing directors for shooting at moving aerial targets : en
  • US2072041A - Window cleaner's anchorage : en
  • CA364341A - Metal surface scraping, planing or cleaning apparatus : en fr
  • US2071797A - Roller bearing : en
  • US2071905A - Toy derrick : en
  • BE419331A - LEATHER AND SKIN TANNING PROCESS : en fr
  • CH189439A - Device with a graduated rule. : en fr
  • CH189403A - Process for the preparation of a hydroaromatic amino alcohol. : de en
  • CH189454A - Accessory for machine tool working spindle. : en fr
  • CA364379A - Ice cream cone dispensing device : en fr
  • US2071890A - Forehearth : en
  • US2072072A - Iron metallurgy : en
  • US2071807A - Kite : en
  • US2072012A - Dredging apparatus : en
  • US2071476A - Telegraph system : en
  • DE642191C - Process for covering iron and steel objects with a protective layer : de en
  • BE419772A - : en fr
  • CH189519A - Overlay receiver with automatic tuning correction. : de en
  • GB461664A - Improvements in poppet valve gear for internal combustion or other engines : en
  • PL24406B1 - Driving and steering equipment, in particular for tracked vehicles. : en pl
  • PL24423B1 - A method of producing matte artificial fibers. : en pl
  • FR809062A - Improvements to cathode ray oscillographs intended in particular for television : en fr
  • GB462023A - Improvements in or relating to speed warning devices for use with speedometers : en
  • US2071465A - Freezing apparatus : en
  • US2071990A - Standardizing water for carbonated beverages : en
  • CH189467A - Power transmission device. : de en
  • CH189552A - Propeller with variable setting of the blades. : de en
  • CH189530A - Showcase with sliding door. : en fr
  • CH189489A - Switchgear. : de en
  • DE642119C - Moving iron galvanometer : de en
  • US2071699A - Tube socket : en
  • US2071369A - Flash lamp : en
  • US2071561A - High frequency apparatus : en
  • US2071652A - Vehicle body : en
  • USD103317S - Design fob a handbag ob similab : en
  • US2071512A - Washing and cleansing composition : en
  • CA364338A - Air operated pump : en fr
  • US2071336A - Yarn cone printing device : en
  • FR809038A - Improvements at t receiving stations. s. f. and in particular at stations with silent adjustment : en fr
  • FR809206A - Exhaust or silencer for internal combustion engines : en fr
  • AU54236A - Improvements in and relating to dry masonry : en
  • US2071487A - Printing and counting sorter : en
  • US2071826A - Battery charge control for small power plants : en
  • US2072054A - Method for making single beating reeds : en
  • BE419405A - Device for the production of clods of earth for plants : en fr
  • BE419709A - : en
  • CH189510A - Process for the production of a mouldable, dimensionally stable at ordinary temperature, but slowly melting at body temperature, which is suitable for the introduction of medicinal substances into body cavities. : de en
  • US2071588A - Automatic clutch : en
  • US2071754A - Door and brake interlock device : en
  • US2071835A - Process and apparatus for treating residue, waste, and the like : en
  • AU100270B2 - Improvements in and relating to turbine blades : en
  • AU118136A - Improved means and apparatus for indicating calculations of values quantities, weights, and/or percentages : en
  • CH189401A - Plant for carbon dioxide production. : de en
  • CH189428A - Date indicating device for calendar-table. : en fr
  • US2071489A - Trailer : en
  • PL24405B1 - Embedding the tracks of tracked vehicles. : en pl
  • US2071462A - Film : en
  • GB461721A - Improved smoke cowl : en
  • GB461723A - Improvements in or relating to hermetically sealed tins and like containers : en
  • CA364304A - Phosphate manufacture : en fr
  • US2071810A - Cooking appliance : en
  • US2072039A - Process of distilling oils : en
  • US2071759A - Electron discharge tube system : en
  • US2071924A - Highway crossing gate and control system : en
  • USD103330S - Design for a shoe ob similar : en
  • US2071566A - Packing : en
  • CA364347A - Journal box : en fr
  • CH189337A - Sorting device, especially for fruits. : de en
  • USD103300S - Design for a bug : en
  • PL24442B1 - A method of making cotton wool on a net and a device for carrying out the method. : en pl
  • US2071778A - Diesel drive for oil wells : en
  • US2072063A - Manufacture of pyrophyllite : en
  • CH189502A - Burners for liquid fuels, in particular crude oil. : de en
  • AT148651B - Telecommunication cable for the transmission of a frequency band of great width and high frequencies, in particular television cable and method for its production. : de en
  • AU15436A - Improvements inthe elastic suspension of engines : en
  • US2071384A - Vibratory motor device : en
  • US2071726A - Stenciling printing press : en
  • DE641993C - Process for the production of solid, easily soluble formaldehyde : de en
  • FR809123A - Steam boiler : en fr
  • GB461757A - Improvements in or relating to exhaust systems of two-stroke internal combustion engines : en
  • US2071537A - Automotive vehicle : en
  • FR809043A - Improvement in crutches or tail wheels of aircraft : en fr
  • US2071709A - Wire strand : en
  • FR809161A - Improved process for obtaining parts of garments and undergarments : en fr
  • PL24401B1 - Apparatus for signaling the presence of carbon monoxide in the air. : en pl
  • PL24510B1 - Packaging for condoms in the form of a box. : en pl
  • US2071559A - Article of manufacture : en
  • US2071969A - Combination stop and check valve : en
  • PL24450B1 - Device for postpone booking on separate sheets. : en pl
  • GB461780A - Improvements in and relating to poultry appliances : en
  • FR809237A - Improvements in gas purification and apparatus used for this purpose : en fr
  • PL24385B1 - -lfl. 47 h, vr Gear. : en pl
  • GB461845A - Improvements in the manufacture of copper alloys : en
  • US2071724A - Umbrella : en
  • PL24430B1 - Whitening and rinsing agent. : en pl
  • US2071388A - Accounting machine : en
  • US2071679A - Vending container : en
  • US2071871A - Fluid pressure regulator and flow control device : en
  • US2072056A - Apparatus for testing eyes : en
  • CA364280A - Automobile body : en fr
  • PL24376B1 - Device for blood transfusion. : en pl
  • US2071625A - Preservation of packaged food products : en
  • US2071745A - Bag : en
  • US2071838A - Vacuum cleaner : en
  • US2071527A - Rewinding device for motion picture films : en
  • US2071663A - Cover fastener : en
  • US2071812A - Clothespin : en
  • FR809029A - Device for dispensing metered quantities of liquid : en fr
  • FR809168A - Improvements to removable constructions : en fr
  • DE642176C - Bar lock for windows, doors or the like. : de en
  • US2071322A - Laminated gasket : en
  • US2071743A - Beet piling machine : en
  • US2071478A - Hose coupling : en
  • US2071910A - Treating hectograph bands : en
  • FR809296A - Process for the production of color-resistant pigments containing zirconium dioxide : en fr
  • PL24454B1 - Bicycle trailer. : en pl
  • US2071570A - Shielded mica spark plug : en
  • PL24485B1 - Mixer for making concrete or similar materials. : en pl
  • DE641774C - Device to prevent the nozzle body from swelling : de en
  • FR809215A - Process for dyeing fibrous materials : en fr
  • GB461841A - Piling sections : en
  • PL24382B1 - : en pl
  • US2071606A - Brake : en
  • US2072006A - Firing table : en
  • GB461858A - Improvements in or relating to projectile fuzes : en
  • US2071463A - Film : en
  • US2071974A - Chair back : en
  • DE642070C - Protective device for converter arrangements working with controlled discharge vessels : de en
  • FR809158A - Logarithmic variable speed drives : en fr
  • GB461662A - Improvements in the preparation of oxygenated aliphatic compounds : en
  • US2071594A - Streamline mount for miniature bombs : en
  • US2071677A - Hydraulically operated grinding machine : en
  • US2071727A - Combination bed and divan : en
  • USD103356S - Design fob a transformer : en
  • DE642150C - Arrangement for the wireless transmission of characters and conversations on vehicles operated by power lines, especially for shunting operations : de en
  • GB461730A - Improvements in and relating to films and foils of cellulose or cellulose derivatives : en
  • US2071965A - Electric circuit interrupter : en
  • US2071983A - Vacuum power clutch : en
  • GB461720A - Improvements in and relating to automatic actuating-devices for roller-blinds, screens and the like : en
  • US2071577A - Suspension of road vehicles : en
  • US2071444A - Range finder : en
  • US2071762A - Mat : en
  • US2072032A - Water heater : en
  • US2071641A - Centrifugal governor for internal combustion engines : en
  • US2071507A - Method of applying fasteners to sheet like material : en
  • US2071694A - Tension cable and method of applying same : en
  • US2071435A - Combined flame baffle and indicator for fusible cut-outs : en
  • DE642258C - Mercury time switch with iron float, especially for switching off metal vapor rectifiers : de en
  • US2071543A - Revolving grip tool : en
  • US2071740A - Chromium steel seamless tube : en
  • US2071315A - Micrometer : en
  • DE642175C - Crank assembly for bicycles : de en
  • GB461927A - Improvements in or relating to collapsible crates, boxes and like containers : en
  • US2071700A - Container closure : en
  • FR809267A - Jet propulsion for boats : en fr
  • GB461824A - Improved method and means for controlling the fire of guns on aircraft : en
  • DE642144C - Circumferential image sound carrier : de en
  • GB461932A - Improvements in coupling devices for the troughing of jigging conveyors : en
  • CH189539A - Suspension device on vehicles. : de en
  • DE642145C - Pattern sheet : de en
  • US2071742A - Brake cylinder protector : en
  • GB461870A - Hand tool to facilitate the operation of wheel and other braces : en
  • BE419326R - : fr
  • CH189521A - Television procedure and arrangement for carrying out the same. : de en
  • US2071665A - Power transmission mechanism : en
  • US2071954A - Chuck or tool holder : en
  • PL24391B1 - A method of obtaining nitric acid in high concentration from dilute nitric acid. : en pl
  • US2071376A - Relief valve : en
  • AU52036A - Means for automatically varying the selectivity ofa modulated carrier wave receiver : en
  • PL24378B1 - Matrix for flat printing, in particular an offset matrix, and the method of its production. : en pl
  • PL24394B1 - Kl ^ 7-br-z3T Sprocket. : en pl
  • US2071316A - Sound reproducing system and apparatus : en
  • US2072000A - Locked license tag : en
  • FR809201A - Improvements made to welding and heating lamps : en fr
  • US2071866A - Method of and apparatus for die rolling : en
  • FR809075A - Watertight door for collective shelters and other applications : en fr
  • FR809137A - Improvements relating to thermal-electric switches : en fr
  • GB461764A - Improvements in or relating to means for severing webs, strips and the like : en
  • FR809130A - Professional development with the shuttle change mechanism and the trade stopping mechanism : en fr
  • FR809187A - Improvements to bottle baskets, or the like : en fr
  • DE642242C - Suspended seat, especially for motor vehicles : de en
  • AT148671B - Procedure for television coverage. : de en
  • CA364330A - Vacuum cleaner : en fr
  • GB461682A - Improvements in licence card holders for motor vehicles : en
  • GB461978A - Improvements in or relating to lace curtains : en
  • FR809128A - Olefin condensation process : en fr
  • FR809258A - Combined charcoal table and chest : en fr
  • DK52734C - Collar button with detachable head. : da en
  • FR809008A - Lighting device : en fr
  • BE425079A - : en
  • CH189514A - Registering machine, in particular cash register or accounting machine. : de en
  • US2071664A - Fruit pitting machine : en
  • US2071779A - Means for preventing soil erosion : en
  • AU100306B2 - Improvements in and relating to milking machines : en
  • US2071589A - Transmission mechanism : en
  • US2071395A - Manufacture of polyhydric alcohols : en
  • US2071658A - Brake : en
  • AT148724B - Process for the continuous manufacture of products in the form of webs which contain rubber or rubber-containing compositions. : de en
  • AU105909B2 - Improvements in shearing heads of machines for shearing sheep andother animals : en
  • CH189391A - Process for gluing outsoles to shoe bottoms and shoe obtained according to this process. : de en
  • CH189397A - Method and device for cooling BEZW. Ventilation of wort in refrigerated ships. : de en
  • DE641928C - Device for the simultaneous application of pulveriform adhesives and a moistening agent, such as. B. water on wood surfaces to be glued : de en
  • DE642255C - Adjustable capacitor, which consists of two disk-like insulating bodies, expediently made of ceramic material : de en
  • FI17367A - Electronically controlled devices for the sale of the card card : en fi
  • US2071440A - Web supply mechanism : en
  • AT148749B - Streamlined vehicle body, in particular for motor vehicles. : de en
  • BE419342A - : en
  • DK52748C - Motorized Hammer. : da en
  • US2071531A - Temperature regulation : en
  • CH189540A - Braking device, in particular for motor vehicles. : de en
  • FR809118A - Orthopedic seat : en fr
  • FR809251A - Additive mechanism to ensure the striking of electrically wound clocks or similar : en fr
  • AT148734B - Electropneumatic braking device. : de en
  • FR809248A - Convertible car seat arrangement : en fr
  • DE642213C - Control device for multi-cylinder carburettor two-stroke engines : de en
  • AT148728B - Millstones. : de en
  • CA364350A - Car wheel grinding machine : en fr
  • AT148665B - Lighting fixture. : de en
  • CH189426A - Reflex copier. : de en
  • GB461906A - Brake control system for vehicles : en
  • PL24435B1 - Safety device for electrical devices operating in insulating liquids. : en pl
  • US2071982A - Suction cleaning apparatus : en
  • DE641995C - Fixing the cooling pipes of artificial ice rinks : de en
  • DE642210C - Heating furnace for heating material samples on which, in particular, the fatigue strength is to be determined : de en
  • US2072067A - Method of preparing beryllium alloys : en
  • GB461859A - Improvements in presses : en
  • DE642131C - Key for security lock : de en
  • FR809227A - Starter for internal combustion engines : en fr
  • DE633428C - Insulating agent against heat exchange : de en
  • DE642284C - Easily relocatable irrigation system : de en
  • GB461803A - An improved grid for carding machines : en
  • PL24491B1 - A method of producing a coating that protects against rotting wooden poles, piles, thresholds, etc., and a coating made in this way. : en pl
  • US2071502A - Wheel mounting : en
  • FR809064A - Signaling device for road crossings : en fr
  • GB461960A - Improvements in or relating to refractory articles : en
  • FR809217A - Device for taking X-ray images in rapid succession : en fr
  • CH189528A - Advertising pillar. : de en
  • GB461909A - Improvements in shearing heads for shearing sheep and other animals : en
  • US2071544A - Self-locking slider for multiple fasteners : en
  • US2071705A - Apparatus for indicating and recording weighing operations : en
  • US2071956A - Milk bottle receptacle : en
  • GB461828A - A method of and means for cleansing swimming baths : en
  • FR809159A - Molding process and device for its application : en fr
  • BE419737A - : en
  • DE642179C - Process for cleaning unwashed virgin wool, plucked wool or other related animal fibers : de en
  • FI17408A - Holländare för pappersmas : en fi
  • FR809246A - Igniter for percussion grenades : en fr
  • GB461700A - Apparatus for obtaining percussion sound waves for medical diagnosis : en
  • DE642269C - Coin checker with a deflecting organ that throws out too small coins : de en
  • FI17382A - Ljusfilter för pänniskohuden : en fi
  • US2071509A - Cooling system : en
  • US2072022A - Method of coloring fruits and vegetables : en
  • FR809160A - Roofing : en fr
  • US2071732A - Door latching mechanism : en
  • GB461770A - Improvements in or relating to wheeled vehicles or trolleys : en
  • IE14119L - Firebars : en
  • FR809082A - Box intended for cleaning the hair with volatile solvents : en fr
  • AU52836A - Improvements in by pass air jet devices for stoves, furnaces, incinerators and the like : en
  • CH189529A - Set of elements to constitute the frames of devices for the display of goods. : en fr
  • US2071813A - Moving stairway : en
  • PL24386B1 - Device for filtering liquids, especially oil. : en pl
  • USD103299S - Design fob a rug : en
  • GB461958A - Improvements in the manufacture of steel in the basic bessemer converter : en
  • DE642183C - Typewriter with margin and carriage jump devices : de en
  • CA364336A - Necktie : en fr
  • DE642111C - Edge device for trio rolling mills : de en
  • DE642156C - Device for measuring and adjusting the radiation angle of the X-ray tube for jaw and tooth recordings : de en
  • DE642265C - Support body with concrete core and iron pipe jacket : de en
  • FR809014A - Process for making glass capable of resisting the action of metallic vapors : en fr
  • CH189385A - Device intended to be placed on a warp knitting machine for single-surface goods for the production of double-surface warp-knitted goods of various kinds. : de en
  • CH189408A - Method of making a B-azabenzanthrone. : de en
  • GB461810A - Improvements in tunnel kilns : en
  • FR809030A - Transmission mechanism applicable to so-called overhead cranes : en fr
  • FR809107A - Electric contactor with multiple and secret combinations for starting internal combustion engines : en fr
  • FR809172A - Sewing Machine Improvements : en fr
  • IE14243L - Extra-high-pressure metal vapour discharge lamps : en
  • FR809055A - Vehicle without rails : en fr
  • FR809056A - Removable formwork for reinforced concrete floor : en fr
  • US2071639A - Flow device : en
  • US2071698A - Locating defects in cable sheaths : en
  • US2071721A - Process and apparatus for producing hydrogen : en
  • US2071473A - Switch actuating device for electric welding machines : en
  • AT148729B - Oven. : de en
  • US2071549A - Method of manufacturing abrasive articles : en
  • US2071485A - Conveyer and chain therefor : en
  • US2071794A - Railway car truck : en
  • FR809199A - Improvements to the control mechanism of friction clutches : en fr
  • GB461637A - Improvements in packing for eggs and other fragile articles : en
  • GB462020A - Improvements in or relating to photographic cameras : en
  • GR6321B - SPEED CONTROLLER. : el en
  • US2071411A - Gauge glass : en
  • US2071715A - Rod and wire handling mechanism : en
  • PL24488B1 - Product for cleaning the surface of objects. : en pl
  • USD103346S - Design for a lace insert : en
  • US2071447A - Circuit breaker : en
  • US2071586A - Computing machine : en
  • US2071886A - Hair waving device : en
  • DE642246C - Process for the preparation of furfural : de en
  • GB461905A - Improvements in circular looms : en
  • US2071941A - Controlling device for mechanisms : en
  • GB461729A - Temperature control for mechanical or absorption type refrigerators : en
  • GB461963A - Process and apparatus for dry cleaning : en
  • US2071346A - Process of making lactic compounds : en
  • US2071648A - Piston expander inserter : en
  • GB461768A - Improvements relating to fuel injection or like pumps : en
  • US2071950A - Super-regenerative receiver : en
  • CH189544A - Hydraulic braking devices, in particular for motor vehicles. : de en
  • US2071972A - Phonograph : en
  • FR809047A - Process for manufacturing alkoxyanthraquinones : en fr
  • CH189389A - A method of manufacturing stiffened fabrics and articles comprising such fabrics. : en fr
  • DE641942C - Switching device for gear change transmissions of motor vehicles, controllable by pressure medium : de en
  • GB461802A - Improvements in and relating to apparatus for separating gas and vapour from flowing liquids, especially the liquids of cooling systems of internal combustion engines, compressors and the like : en
  • US2071381A - Pulverizing unit : en
  • CH189339A - Holder for garden sprayers. : de en
  • CA364383A - Building block : en fr
  • PL24437B1 - An adapter for attaching the glass plates to the base and connecting the glass plates to each other. : en pl
  • US2071415A - Valve adjusting device : en
  • CH189377A - Radiator brush. : de en
  • CH189412A - Process to make leather impermeable to liquids. : de en
  • AT148714B - Process for the production of tanning mixtures in concentrated, optionally dry form. : de en
  • US2071902A - Tunable selector circuits : en
  • CA364275A - Metallic magnesium : en fr
  • CA364325A - Motor control circuit : en fr
  • PL24473B1 - : en pl
  • PL24467B1 - A method of producing a shielding mist and an apparatus for carrying out the method. : en pl
  • PL24474B1 - Method for the preparation of nitrogen-containing anthracene series compounds. : en pl
  • CA364282A - Electric lamp : en fr
  • DE642096C - Fuel tank device : de en
  • PL24461B1 - A method of producing air foam, in particular for extinguishing a fire, and an apparatus for carrying out the method. : en pl
  • PL24420B1 - Device for sealing window and door openings. : en pl
  • DE642165C - Device for checking the quality of tool cutting edges : de en
  • GB461796A - Improvements in and relating to photographic attachments for firearms : en
  • FR809131A - Dental arches : en fr
  • US2071439A - Envelope : en
  • US2071541A - Finger for furnace conveyers : en
  • FR809221A - Switching device for rectifiers, inverters and static converters : en fr
  • AU50436A - Improvements in and relating to turbine blades : en
  • AU50636A - Improvements in or relating to rubber sheet material anda process of manufacture thereof : en
  • AU100281B2 - Improvements in corrugated plaster roofing : en
  • PL24509B1 - The method of producing dyes of the phthalocyanine series. : en pl
  • US2071917A - Process of preparing nu-alkoxyalkyl aryl sulphonamides : en
  • PL24390B1 - Gas burner for blown air heaters or similar heat exchangers. : en pl
  • AT148678B - Machine for the automatic production of support frames intended for electric tubular light bulbs. : de en
  • DE642196C - Production of alkali and alkaline earth metal sulfides from the corresponding sulfates : de en
  • DE642067C - Distance protection device : de en
  • GB461925A - Improved extension table : en
  • GB461942A - Improvements connected with windows or panels of motor cars, motor coaches or like vehicles : en
  • CH189430A - Mobile spreading device for creating marking lines. : de en
  • US2071690A - Door check : en
  • US2071789A - Exhauster for sprinkler systems : en
  • US2071535A - Sealing ring : en
  • USD103329S - Design fob a textile fabric : en
  • FI17357A - Blek-, tvätt- och rengöringsmedel, särskilt för användning i järnhaltigt vatten : en fi
  • US2071976A - Wrapper : en
  • US2072071A - Practice keyboard : en
  • AT148683B - Device for controlling the cold water valve of hot water storage tanks. : de en
  • AT148691B - Process for the recovery of sulphurous acid from gas mixtures. : de en
  • AU100280B2 - Improvements in and relating to laundry machines : en
  • US2071660A - Door check : en
  • US2071667A - Peach splitter : en
  • USD103344S - Design fob a lace insert : en
  • US2071457A - Method for stabilizing fatty oils against oxidation : en
  • CA364339A - Air operated pump : en fr
  • CH189520A - Indicator for the graphic representation of the selectivity curve for radio receivers influenced by the bandwidth regulator. : de en
  • PL24392B1 - Extraction vessel in the shaft emptied through the bottom. : en pl
  • US2071443A - Weighing scale : en
  • USD103382S - Design for a dress : en
  • AU51036A - Improvement in image projector : en
  • CH189512A - Heated curler for permanent waves. : en fr
  • CH189535A - Safety container for keeping and storing flammable or explosive liquids. : de en
  • AT148680B - Welded items made of steels with 3-30% chrome and up to 5% titanium. : de en
  • BE419337A - TWO-PHASE BRAKES : en fr
  • CH189538A - Vehicle with semi-axles pivotable about a drive shaft. : de en
  • CH189419A - Collectors for sections, postcards and the like. : de en
  • CH189349A - Radiator. : de en
  • US2071468A - Manufacture of perylene : en
  • US2071571A - Two-piece center wire spark plug : en
  • FI17404A - Förfaringssätt för framställning av concentrerat kasein : en fi
  • FI17406A - Förfaringssätt for framställning av ihåliga formföremål samt förmedels sagda förfaringssätt framställt föremål : en fi
  • GB461867A - Improvements relating to chocolates : en
  • AT148682B - Infusion preparation vessel for coffee, tea or the like. : de en
  • DE642285C - Process to increase the chemical resistance of light metals and their alloys : de en
  • GB461826A - Improvements in or relating to machines for making tablets : en
  • GB461844A - Improvements in or relating to pyrophoric lighters : en
  • CH189387A - Device for swiveling out and back of containers for the purpose of emptying them, in particular washing drums, which can be operated by a hand lever. : de en
  • PL24407B3 - A device in a car to reduce air resistance. : en pl
  • USD103320S - Design for a defrosting tool for ice : en
  • GR6323B - MEANS TO PREVENT ANY KIND OF OBJECTS FROM ANY SUBSTANCE OF EXTERNAL INFLUENCE. : el en
  • USD103321S - Design for a magnetic compass : en
  • CH189536A - Two-axle trailer for tractors with a device for screwing up the trailer drawbar. : de en
  • AU100307B2 - An improved holder for knitting wool : en
  • CA364333A - Road building machine : en fr
  • CA364337A - Enamelled article : en fr
  • CH189550A - Reaction drive on watercraft. : de en
  • CH189505A - Dental instrument, called "Handpiece" articulated. : en fr
  • GB461778A - Improvements in or relating to latches for doors : en
  • FR809293A - Device intended for the modulation of high frequency oscillations, in particular ultra-short waves : en fr
  • US2071821A - Photographic image bearer and method of making same : en
  • GB461836A - Improvements in and relating to electrolytes for electric storage batteries : en
  • AU12136A - Improvements in steel joists ( or stanchions) and beams : en
  • US2071624A - Heat transfer apparatus : en
  • US2071364A - Manifold material : en
  • US2071518A - Fruit jar holder : en
  • US2071746A - Laminated culvert head wall structure : en
  • AT148658B - Process for influencing the beam current of cathode ray tubes, especially for television purposes. : de en
  • AT148661B - Arrangement for the remote activation and deactivation of the drive motor of telegraph apparatus. : de en
  • AT148707B - Separation element for the separation of dust or liquid particles from gases or vapors. : de en
  • US2071492A - Dye process : en
  • US2071734A - Mold for piston packing : en
  • US2071966A - Pickling inhibitor and process : en
  • AT148687B - Tester for clocks, preferably pocket watches. : de en
  • AU100304B2 - Improvements relating to burners for oil-fired water heaters : en
  • PL24497B1 - : en pl
  • PL24363B1 - A method of constructing a railway track from ready-made railings and a single-axle trolley for carrying out this method. : en pl
  • PL24403B1 - Chassis especially for a car with a rear engine. : en pl
  • US2071600A - Game device : en
  • US2071771A - System and apparatus fob distribut : en
  • US2072016A - Process for the production of allyl alcohol : en
  • US2071874A - Electric discharge tube or incandescent lamp : en
  • FR809266A - New process for the manufacture of a product having the appearance and characteristics of natural or artificial leather : en fr
  • GB461724A - Improvements in and relating to the combustion chamber of internal combustion engines : en
  • CH189340A - Wall construction. : de en
  • AT148725B - Fire retardants. : de en
  • AU21636A - Improvements in multiplex telegraphic and telephonic systems : en
  • PL24375B1 - Carding machine comb drive. : en pl
  • GB461948A - Improvements in and relating to sintered magnetisable materials : en
  • CA364323A - Bituminous pavement : en fr
  • CH189518A - Device for self-connecting message traffic on line systems in which several sections with independent traffic are connected in series, in particular for carrier current traffic over power lines. : de en
  • CA364260A - Solid substance separator : en fr
  • CH189459A - A method of profiling a shaped grinding wheel and apparatus for carrying out this method. : en fr
  • FI17376A - Procedure and device for adjusting draft in flues and chimneys : en fi
  • FR809179A - Control adjustable by model : en fr
  • GB461683A - Towelling and cabinet therefor : en
  • AT148654B - Arc converter with electrodes in a flowing extinguishing agent and periodic initiation of the main arcs by auxiliary arcs. : de en
  • PL24470B1 - Nozzle for supplying gasification air to gas generators and other fire chambers when using solid fuel, in particular for generators intended to supply internal combustion engines. : en pl
  • US2071816A - Manufacture of acid compositions : en
  • US2072053A - Purification of naphthenic acids : en
  • PL24361B1 - Gyroscopic device. : en pl
  • CH189354A - Process for indirectly heating the contents of a tank. : en fr
  • US2071461A - Hoisting apparatus for replacing structural beams : en
  • CH189363A - Cleaner for wood gas generators, in particular for vehicles. : de en
  • CA364290A - Textile material dyeing and printing process : en fr
  • CH189545A - Wheel hub for bicycles. : de en
  • FR809028A - Improvements made to the automatic change mechanism for bobbins on looms with several shuttles : en fr
  • US2071585A - Locking mechanism : en
  • US2071919A - Vacuum coffee brewer : en
  • DE642126C - Multi-roller mill : de en
  • FR809004A - Coated plinth or tray system : en fr
  • CH189388A - Washing stove. : de en
  • US2071751A - Safety car equipment : en
  • US2071802A - Railway or other vehicles : en
  • US2071837A - Circuit breaker : en
  • PL24377B1 - Device for detecting blasts in an internal combustion engine. : en pl
  • PL24469B1 - : en pl
  • US2071628A - Wheel and axle assembly : en
  • CA364307A - Railway traffic controlling system : en fr
  • CH189386A - A method of making a hard water resistant product for use as a detergent, imbiber and the like in dyeing, textile industries, etc. and resulting product. : en fr
  • BE419432A - Improvements in color photography and cinematography : en fr
  • CH189533A - Closure device for tubes and other vessels that can be emptied by pressing their contents. : de en
  • PL24490B1 - A method of manufacturing car and other tires and a device for carrying out the method. : en pl
  • US2071637A - Slip : en
  • CH189494A - Auxiliary equipment for replacing defective fuses in electrical house installations. : de en
  • CA364300A - Denture : en fr
  • AU100266B2 - Method of and apparatus for surveying the surface ofthe earth by aerial photographs : en
  • CA364340A - Non-inflammable plastic mass : en fr
  • GB462027A - Improvements in and relating to electric discharge devices : en
  • GR6328B - METHOD FOR PREPARATION OF MAGNESIUM. : el en
  • DK52720C - Transmitter and Receiver for Television and Picture Telegraphy. : da en
  • FI17374A - Tunn, böjlig klisterfilm : en fi
  • FI17400A - Rörkoppling : en fi
  • FR809214A - Improvements to quick coupling heads for pressurized fluids : en fr
  • FR809264A - Advanced device for the determination of gravity : en fr
  • CH189371A - Armchair. : de en
  • CH189561A - Milling device that can be used together with a lathe support. : de en
  • DK52719C - Procedure for Impregnation of Knitwear against Wear. : da en
  • AT148695B - Process for the production of synthetic yarn with a matt finish according to the viscose process. : de en
  • US2071629A - Underframe : en
  • US2071817A - Enamelware utensil : en
  • US2071938A - Blanc fixe and method of making same : en
  • AU100271B2 - Improvements in or relating to rubber sheet material anda process of manufacture thereof : en
  • AU100274B2 - Improvement in image projector : en
  • CA364363A - Table mounting for calculating machines : en fr
  • CH189513A - Dust protection mask. : de en
  • US2071360A - Waterproofed paper : en
  • US2071530A - Floating deck having reenforced annular gas space : en
  • US2071787A - Rod line hook-off and anchor : en
  • USD103326S - Design fob a heater casing ob simi : en
  • US2071842A - Faucet connection : en
  • US2071979A - Electric incandescent lamp : en
  • USD103296S - Design for an inkstand : en
  • GB461889A - Improvements relating to perambulators : en
  • USRE20278E - Grease seal : en
  • CH189541A - Device on chassis for damping spring vibrations, in particular for motor vehicles. : de en
  • AT148747B - Process for the production of a covering material. : de en
  • AU100301B2 - A permutation lock for various purposes including the locking of steering wheels of motor vehicles : en
  • FR809216A - Electrode system for straightening or controlling high or medium frequency electrical oscillations : en fr
  • GB461633A - Improvements in and relating to barriers : en
  • GB461777A - Improvements in vaporizers for internal combustion engines : en
  • FR809013A - Contact mass based on alumina silicate, for the treatment of hydrocarbons : en fr
  • GB462114A - Improvements in or relating to the manufacture of casein products : en
  • AU100300B2 - Improvements in animal traps : en
  • CH189503A - Electric floor lamp with multiple light sources. : de en
  • US2071739A - Amplifier arrangement for listening devices : en
  • US2072029A - Aeroplane construction : en
  • GB461752A - Improvements in or relating to the dyeing of textiles : en
  • CA364302A - Paper manufacture : en fr
  • US2071596A - Method for the hot straightening of plates : en
  • US2071378A - Concrete building construction : en
  • CH189394A - Plansifter. : de en
  • AU243336A - Improvements in and relating to toy duilding blocks tiles, bricks and the like : en
  • CH189468A - Strand-shaped insulating body. : de en
  • DE642063C - Windshield wipers, in particular for rail vehicles : de en
  • DE621000C - Single-drum water-tube boiler with gas-tight sheet metal jacket suitable for pressurized firing : de en
  • DK52724C - Eye shield. : da en
  • US2071515A - Electron multiplying device : en
  • AT148712B - Cell for carrying out electrolysis, in particular for the production of per compounds. : de en
  • US2071730A - Ice crusher : en
  • AT148720B - Process for the production of floor coverings provided with colored patterns and. like : de en
  • DE642157C - Knife of circular or arcuate shape, especially for cutting soft material to be cut, such as bread and the like. like : de en
  • GB461825A - Improvements in or relating to the production of artificial fibres and the like : en
  • GB461926A - Improvements in or relating to belt conveyors : en
  • AU100302B2 - Improvements in or relating to photographic developers : en
  • PL24445B1 - A method of increasing the wetting capacity of mercerizing loams. : en pl
  • US2071326A - Heel-seat fitting machine : en
  • USD103375S - Design for a dress : en
  • US2071930A - Cabinet-enclosed posting tray : en
  • FI17385A - Device for paper y.m. to feed waste into the furnace : en fi
  • GB461846A - Improvements in or relating to the purification of the liquids used in aircraft provided with propellers : en
  • FI17353A - Loose collar : en fi
  • FI17416A - The signaling arrangements for the use of signaling devices in the land : en fi
  • FR809256A - Device for moistening and cutting strips of gummed paper : en fr
  • GB461635A - Manufacture of polyvinyl derivatives containing nitrogen : en
  • FR809225A - Advanced training in car windshield cleaning facilities : en fr
  • FR809297A - Parallel clamping hand vise mounted on an adjustable support : en fr
  • GB461811A - Improvements in and relating to apparatus for sterilising dairy utensils and the like : en
  • GB462110A - Improvements in and relating to television : en
  • GB461880A - Photographic shutters : en
  • GB461968A - Improvements in or relating to photographic cameras : en
  • DE642135C - Hinge box : de en
  • GB461883A - Improvements in the manufacture and production of carboxylic acid amides and nitrogenous condensation products : en
  • CH189491A - Control resonance device with two, alternately influenced by control currents of different frequencies, the execution of a work process each causing resonance spring drives. : de en
  • FR809109A - Improvements to gears capable of offering several different gear ratios : en fr
  • PL24398B1 - Fuel production method. : en pl
  • US2071498A - Milk bottle holder and the like : en
  • US2071632A - Pipe rack : en
  • US2071669A - Brake : en
  • AT148684B - Frame for tubular steel furniture or the like. : de en
  • CH189348A - Heat pumps working according to the compression principle, especially for the heat supply of central heating systems. : de en
  • CH189372A - Resilient slatted floors for mattresses, seating furniture and the like. : de en
  • US2071680A - Method of determining grain size : en
  • US2072011A - Internal combustion engine : en
  • CH189384A - Hosiery. : de en
  • FI17365A - Kopplingsanordning för överföring av anropsimpulser för valanrop i bärströmssystem genom starkströmsledningar : en fi
  • GB461972A - Improvements in the oxidation of hydrocarbons : en
  • PL24460B1 - RF bomb extinguishing a fire. : en pl
  • DE642270C - Device for collecting coins : de en
  • PL24451B1 - A device for automatic activation of the machine gun base in a vertical and horizontal plane by means of a machine gun, especially for aviation purposes. : en pl
  • US2071936A - Watt-hour meter : en
  • US2071688A - Method of producing photographic dyestuff images : en
  • US2071744A - Aeroplane : en
  • DE642057C - Steam generator with multiple pipe coils arranged as a jacket of a boiler room : de en
  • AT148688B - Ax with blades arranged on either side of the handle eyelet. : de en
  • BE419278A - Pocket inhaler. : en fr
  • US2071674A - Grille construction : en
  • PL24380B1 - A device for maintaining a constant hydrodynamic pressure of liquid fuels in the tanks of cooking, lighting and heating equipment. : en pl
  • CA364273A - Tobacco stemmer : en fr
  • US2071845A - Bread form : en
  • US2071937A - Clamp for electric arc furnace electrodes : en
  • DE642192C - Motor vehicle with four independently sprung wheels : de en
  • USD103302S - Design fob a combined comb and hook : en
  • FR809183A - Improvements in control devices for typewriter carts : en fr
  • GB461850A - Improvements in or relating to change speed gear for power driven vehicles : en
  • GB461949A - Improvements in the process of catalytic oxidation of naphthalene : en
  • IE14576L - Lubricating oil composition : en
  • PL24507B1 - The method of producing azo dyes. : en pl
  • USD103345S - Design for a lace insert : en
  • CH189433A - Diagonal pull ski binding. : en fr
  • GB461946A - Improvements in instruments for indicating bearings or courses on maps : en
  • US2071523A - Preparation of artificial resin compression mixtures : en
  • US2071843A - Fuse : en
  • CH189367A - Spring clip for fastening curtains to the wall from the side. : de en
  • GB461920A - An improvement in or relating to fuse carriers for electric fuses of the cartridge type : en
  • PL24383B1 - Single jet vane-wheel flow meter for liquids. : en pl
  • US2071578A - Pedestal sheave assembly : en
  • US2072003A - Condensation product of cinchona bark alkaloid : en
  • US2071339A - Process of making ferro-alloys and of making alloy steels from such alloys : en
  • DE642180C - Excavator chain with pre-cutters arranged between two buckets, open at the rear and articulated to the preceding chain links by tie rods : de en
  • GB461873A - Improvements in hose reels : en
  • US2071383A - Mechanical power transmitting or receiving device : en
  • US2071416A - Computing device : en
  • DE642078C - Handle holder for mirrors, brushes and similar toilets : de en
  • FR809254A - Compression chamber for combustion engines : en fr
  • GB461822A - Improvements in sick call sets for administering sacraments : en
  • CH189356A - Locking mechanism for locks and other objects to be locked. : de en
  • GB461945A - Improvements in supporting brackets : en
  • GB461864A - Improvements in telegraph, signalling, and like selective systems and apparatus : en
  • PL24381B1 - A device for converting the kinetic energy of vibrating bodies into rotational or rotational-progressive motion. : en pl
  • GB461954A - Improvements relating to revolving chimney cowls : en
  • BE419377A - : en
  • US2071329A - Method of recovering phthalic anhydride : en
  • US2071493A - Fluid power transmission : en
  • US2071720A - Purification of silica sands and the like : en
  • US2072033A - Centrifugal pump : en
  • DE642118C - Switching arrangement to protect the three-phase exciter from three-phase control sets : de en
  • GB461772A - Mixers, emulsifiers and the like : en
  • DE642197C - Process for the production of asphalt road surfaces : de en
  • FR809167A - Improvements to artificial leather manufacturing processes : en fr
  • FR809285A - Liquid pump assembly device : en fr
  • US2071717A - Fuel and air mixing device : en
  • GB461971A - Improved means for attaching coverings, such as insulation coverings, in the form of slabs, to the surfaces of walls, ceilings, ships' plating, casings and the like : en
  • US2071403A - Armored grease retainer with washer and spacer : en
  • US2071786A - Lathe : en
  • CA364256A - Iron ore processing : en fr
  • CA364382A - Paper manufacture : en fr
  • FR809098A - Machine to reproduce a text, totally or partially : en fr
  • PL24372B1 - A box for automatic feeding of identical template parts to machines, subject to further processing. : en pl
  • CH189352A - Liquid heater. : de en
  • PL24374B1 - High or intermediate frequency amplifier with automatic gain control depending on the amplitude of the amplified vibrations. : en pl
  • GB461659A - Improvements relating to strip holders and panels for strip indexes and other visible reference strips : en
  • DE642093C - Alkaline peroxide cartridge for oxygen breathing apparatus : de en
  • GB461746A - A discharge device for bottles to prevent refilling : en
  • US2071560A - Thermostatic control for warm air furnaces : en
  • USD103347S - Design for a shoe : en
  • GB461773A - Improvements in and relating to brakes : en
  • GB461829A - Improvements in mechanical time-lag relays applicable for example for electric switch operation : en
  • US2071484A - Insect repellent and exterminator : en
  • GB461736A - Improvements in or relating to electrically driven rollers for roller beds : en
  • GB461751A - Improvements in or relating to electron discharge devices : en
  • GB461653A - Rotary plug valves : en
  • GB461916A - Improvements in apparatus for treating gases with liquids, particularly air with water : en
  • IE14740L - Electric conductors : en
  • US2071553A - Floating roof for storage tanks : en
  • US2071978A - Package and receptacle : en
  • US2072026A - Closure for containers : en
  • US2072034A - Gas range lighter and control : en
  • US2071672A - Variable delivery pump : en
  • GB461698A - Improvements in or relating to boiler furnaces : en
  • AT148702B - Method and device for promoting or inhibiting influence on the life of bacteria or plant cells or the like. : de en
  • CA364309A - Hygrometric apparatus : en fr
  • US2071957A - Wall hook and supporting card therefor : en
  • USD103336S - Design for a roof mounted air con : en
  • USD103367S - Design for a display container for : en
  • PL24468B1 - A method of producing refractory building materials, especially mortars. : en pl
  • FR809212A - Plastic concrete manufacturing process : en fr
  • CH189375A - Foldable stepladder. : de en
  • PL24464B1 - The way of marking the essential lines on the form for the cut of dresses. : en pl
  • USD103342S - Design for a lace insert : en
  • CH189498A - Reflector. : en fr
  • US2071576A - Snap fastener : en
  • US2071655A - Toilet medicator : en
  • CA364366A - Portable kiln : en fr
  • GB461860A - Improvements in and relating to centrifugal pumps : en
  • US2071368A - Process of making lactate salts and lactic acid : en
  • CA364352A - Corpus-luteum hormone preparation : en fr
  • FR809086A - Improvements to luminescent tubes, and other vacuum or rare gas tubes : en fr
  • FR809165A - Improvements in wood pulp production : en fr
  • FR809240A - Heavy oil burner : en fr
  • GB461641A - Improvements in or relating to the purification and granulation of pentaerythritol tetranitrate : en
  • CH189362A - A method of heating by liquid fuel and an installation for implementing this method. : en fr
  • CH189566A - Storage device for the caterpillars of caterpillar vehicles. : de en
  • FI17358A - Sätt att framställa spånadsgarn, innehållande gummilatex eller dylika emulsioner och härtill använd apparat : en fi
  • CH189392A - Fitting for mountain boots. : en fr
  • FI17389A - Anordning vid bandsågar : en fi
  • CH189492A - Electrical switching device. : de en
  • FR809070A - Improved device for handling various bulky packages: boxes, moving frames, etc. : en fr