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