• US2373425A - Railway brake equipment : en
  • US2373429A - Magnetic escapement for timepieces : en
  • US2373535A - Toolholder : en
  • USD140860S - Combination fuse lock and puller : en
  • US2373476A - Cigarette dispensing apparatus : en
  • US2373090A - Glide path beacon : en
  • CA426629A - Nut processing : en fr
  • US2373413A - Transfer apparatus : en
  • AU1938145A - Specification not printed : en
  • AU119729B2 - Improvement in self-locking nut : en
  • GB568537A - New or improved cleaning, brushing and like device or appliance : en
  • USD140820S - Design fob a shoe ob similar abticle : en
  • US2373284A - Adjustable screed : en
  • US2373564A - Waste heat boiler : en
  • CH237234A - Parallel vice. : de en
  • US2373501A - Preparation of cyclohexane : en
  • US2373222A - Sheet detector : en
  • US2373378A - Railway car end construction : en
  • USD140814S - Design for an underwater mask : en
  • US2373131A - Breastplate black-out lantern : en
  • AU1022643A - Improvements in or relating to generators of periodically varying electric currents : en
  • US2373357A - Method of making printing plates : en
  • USD140862S - Desigk for a switch and fuse securing clip : en
  • US2373193A - Skin clamp-applying tool : en
  • CH237203A - Ski pole. : de en
  • CA426737A - Resinous composition : en fr
  • DK63357C - Machine with associated Template for Milling out so-called Air Grooves in Ski. : da en
  • CH237329A - Process for the preparation of p-amino-benzenesulfonyl-a-aminopyridine-Bz-N-methylene sulfonic acid quinine. : de en
  • FR898144A - Preparation process for plastic masses : en fr
  • CA426626A - Building block and wall : en fr
  • US2373536A - Photographic apparatus : en
  • FR898054A - Multi-layered rubber body : en fr
  • GB568521A - Improvements in and connected with book covers : en
  • FR898236A - Process of desiccating filler clays for soap and other industries : en fr
  • GB568526A - Improvements in or relating to fuel economisers for internal combustion engines : en
  • FR898130A - New rat poison : en fr
  • GB568569A - Improvements in or relating to the production of vinyl halides : en
  • AU1116143A - Improvements relating to fuel injectors for internal combustion engines : en
  • CH237156A - Installation for the production of combustible gas by fermentation of organic products and comprising a fermentation tank. : en fr
  • AU606142A - Improvements in or relating to parachute-fitted containers for military or other purposes : en
  • CA426674A - Resinous derivative : en fr
  • GB568530A - Improved operating gear for adjustable propeller type blades in hydraulic turbines and pumps : en
  • GB568592A - Improvements in and relating to arc suppression coils : en
  • GB568557A - Improvements relating to door closers : en
  • CA426725A - Calculating machine : en fr
  • CH237328A - Process for the preparation of a complex gold-agar-peptone compound. : de en
  • CH237297A - Dual brake with a pump to generate pressure. : de en
  • US2373500A - Method and apparatus for making felted materials : en
  • US2373207A - Wind driven electric generator : en
  • FR898126A - Transformer or coil of inductor with characteristic of the intensity according to the tension very flattened in its upper part : en fr
  • AU119785B2 - Improvements in or relating to mechanical adjustment of elements mounted inside vacuum tubes : en
  • CH237325A - Process for the preparation of a salt of a sulfonamide. : de en
  • US2373546A - Phase modulation detector circuits : en
  • GB568608A - Improvements in and connected with the cold working of steel : en
  • CH237229A - Process for the preservative impregnation of plant cell tissue. : de en
  • CA426654A - Welt hook : en fr
  • US2373141A - Method of disassembly : en
  • US2373305A - Tungsten ore flotation : en
  • GB568628A - The treatment of cellulosic textile materials to improve their dye affinity and otherproperties : en
  • US2373445A - Piezoelectric device : en
  • CA426689A - Vinyl compound polymerizing method : en fr
  • CA426706A - Magazine razor : en fr
  • CH237194A - Camera with base range finder. : en fr
  • CA426642A - Agricultural seeder : en fr
  • CA426645A - Air conditioning system : en fr
  • DK63356C - Diffuser for Blowing Ventilation Air. : da en
  • FR898081A - Process for finishing fibrous materials : en fr
  • FR898226A - Teleprinter with attached reception perforator : en fr
  • US2373241A - Amplifier circuit : en
  • GB568545A - Improvements in the production of organic esters of cellulose : en
  • FI20536A - Anordning vid säng med hopfällbar sängbottenran : en fi
  • GB568548A - Improvements in aircraft : en
  • US2373419A - Polymerized acyclic terpenes and method of production : en
  • FR898115A - Collector for electrical machines process for its manufacture : en fr
  • FI20535A - Rengöringsanordning fatt mattor och dlikt : en fi
  • FR898149A - Socket for t lamp. s. f., especially for ultra-short waves : en fr
  • FR898015A - Partitions or walls assembly process : en fr
  • CH237168A - Carrying frame in storage rooms for trash cans. : de en
  • CH237255A - Method for regulating a periodically acting absorption refrigeration machine and device for carrying out the method. : de en
  • CH237276A - Device for straightening broken limbs. : de en
  • AU1109643A - Method and apparatus forthe manufacture of handle attachments for paper bags : en
  • AU945843A - Improvements in or relating tothe joining of wires particularly fine wires used inthe manufacture of electric coils : en
  • US2373296A - Smoking pipe and method of making same : en
  • US2373309A - Divergent-outlet cutting torch : en
  • US2373342A - Manufacture of glutamic acid : en
  • US2373495A - Receiving system : en
  • US2373480A - Quick-acting door : en
  • US2373626A - Application of metal sulphide catalysts : en
  • US2373229A - Esteramides : en
  • DK63368C - Method of Making Synthetic Mica. : da en
  • FR898087A - Process for preparing higher polymers : en fr
  • GB568580A - Improvements in or relating to agricultural machinery : en
  • US2373277A - Rivet bucker : en
  • US2373282A - Door mechanism : en
  • CA426679A - Electrical apparatus : en fr
  • US2373385A - Actuating mechanism for aircraft components : en
  • US2373456A - Fracture traction device : en
  • FR898128A - Free-piston machine with compressor cylinder and engine cylinder : en fr
  • FR898156A - Process for bonding synthetic rubber : en fr
  • CH237176A - Snap-open snap button. : en it
  • FR898122A - Method and arrangement for the heat treatment of alloys : en fr
  • GB568636A - Improvements in or relating to armoured vehicles : en
  • FR898200A - Device for carburettors or mixers : en fr
  • FR898167A - Statistical process allowing to reveal very quickly the progress of a trade, an industry or the complete knowledge of a person, an animal or a thing : en fr
  • US2373382A - Continuous drier : en
  • US2373467A - Airplane : en
  • US2373483A - Preparation of organic esters : en
  • FR898222A - Quick screw thread connection for oil pipes in lubrication systems : en fr
  • US2373473A - Lock nut : en
  • GB568647A - Improvements in or relating to tying mechanism : en
  • US2373442A - Dental equipment stand : en
  • FR898013A - Glare protection for transport vehicles, particularly for motor vehicles and airplanes : en fr
  • CH237165A - Removable and transformable furniture. : en fr
  • US2373279A - Hand truck : en
  • AU1113243A - Valve stitching apparatus : en
  • US2373613A - Composition for treating fibrous materials : en
  • USD140769S - Stand for flowers or the like : en
  • FR898245A - Process for the preparation of amino-alkyl ether oxides derived from alcohols of the aromatic-aliphatic series : en fr
  • US2373559A - Illuminating device : en
  • US2373439A - River weight : en
  • US2373107A - Mechanical movement : en
  • FR898060A - Process for the preparation of low molecular weight polyamides : en fr
  • GB568651A - Improvements in machine belting : en
  • FR898241A - Permanent brake magnet for electricity meters : en fr
  • US2373504A - System and apparatus for determining the distribution of the load in an aircraft : en
  • CH237237A - Ball bearings for flushing lubrication. : de en
  • CH237305A - Chain tensioner for sprocket change transmissions with multiple sprockets for bicycles. : de en
  • US2373186A - Stoker control : en
  • AU119726B2 - Improvements in method and apparatus for simulating high altitude climb conditions : en
  • CA426657A - Engine air-fuel mixture apparatus : en fr
  • CH237256A - Float-controlled control valve on machines. : de en
  • US2373306A - Flashlight : en
  • US2373582A - Ammunition making machinery : en
  • US2373117A - Method of uniting metals : en
  • US2373370A - Shaving machine : en
  • US2373388A - Seal for spaced goggle lenses : en
  • US2373221A - Flexible tank and support means : en
  • CH237241A - Ball valve. : de en
  • FR898005A - Pasty dry cleaning product and method of manufacturing this product : en fr
  • US2373455A - Hoist : en
  • US2373496A - Ventilator : en
  • FR898232A - Process for preparing oxy-tetrahydro-furans : en fr
  • CH237263A - Contact device for sockets. : de en
  • US2373435A - Liquid filling apparatus : en
  • US2373529A - Method of making rubber products : en
  • US2373399A - Cap : en
  • CA426658A - Square hole drill : en fr
  • CH237307A - Multi-power locomotive. : de en
  • FR898007A - Method of charging furnace dust in rotary tube furnaces : en fr
  • US2373112A - Apparatus for the supply, detection, separation, or determination of the concentration of a gas or gases : en
  • CA426678A - Transformer power unit : en fr
  • CH237281A - Drive shaft assembled from a number of molded material sections. : de en
  • USD140871S - Cluster ring or similar article : en
  • AU1093543A - Booster assisted brake actuating system : en
  • CA426668A - Friction clutch : en fr
  • CH237296A - Fuel tank closure for automobiles. : de en
  • CH237182A - Roaster. : en fr
  • FI20540A - Anordning vid automatic skivbytare för gramofoner : en fi
  • FR898190A - Electrical terminal for rows : en fr
  • US2373612A - Manufacture of motor fuels : en
  • US2373616A - Frequency modulation detector : en
  • FR898198A - Air-cooled internal combustion engine : en fr
  • CA426772A - Telephone system : en fr
  • US2373331A - Electricity conductor unit : en
  • USD140834S - Design foe an eyeshade : en
  • AU947843A - Piezoelectric crystal holder : en
  • FR898186A - Improvements in frequency modulation setup : en fr
  • AU119767B2 - Valve stitching apparatus : en
  • US2373373A - Dispensing tap : en
  • AU119780B2 - Improvements relating to fuel injectors for internal combustion engines : en
  • CH237222A - Threading machine. : en fr
  • US2373364A - Bolas projectile : en
  • USD140850S - Design for leather or the like : en
  • FR898119A - Detergent containing wetting agents : en fr
  • US2373181A - Transducer : en
  • US2373211A - Method of producing marbleized wrinkle finishes : en
  • USD140762S - Combined cabinet pull and escutcheon : en
  • US2373587A - Electrical relay device : en
  • CH237162A - Clothes rack. : de en
  • GB568501A - Improvements in or relating to control surfaces of aircraft, ships and torpedoes : en
  • FI20544A - Hetgasmotor : en fi
  • FR898094A - Transformer adjustable using sliding magnetic shunts : en fr
  • FR898036A - Vacuum sealing : en fr
  • US2373307A - Bearing race extractor : en
  • US2373088A - Stall indicator : en
  • GB568616A - Improvements in or relating to machines for machining helical spur gears : en
  • GR10344B - SEA DETECTOR. : el en
  • CH237144A - Obstruction. : en fr
  • FR898024A - New electrolyte for accumulators : en fr
  • US2373348A - Articulated car : en
  • US2373362A - Thermosetting urea-formaldehyde composition : en
  • CA426784A - Relay mechanism : en fr
  • GB568503A - Production of dichlorosuccinic anhydride : en
  • FI20553A - Anordning vid fönster : en fi
  • US2373402A - Device for starting and feeding electric discharge tubes : en
  • US2373489A - Halftone photoengraving process : en
  • US2373434A - Removable bottle cap : en
  • US2373533A - Knitting element of knitting machinery : en
  • USD140772S - Combined display stand and container for perfumery : en
  • US2373415A - Wrap-around garment : en
  • US2373531A - Tube forming die : en
  • FR898155A - folding landing net : en fr
  • US2373430A - Gum massager : en
  • USD140776S - Design foe a fabric : en
  • US2373156A - Standard for electrical measurements : en
  • US2373464A - Process for inhibiting polymerization : en
  • US2373619A - Safety device for automatic screw machines : en
  • FR898080A - Device for the production of castings by centrifugation : en fr
  • US2373197A - Closure hinge and operating device : en
  • USD140819S - Design for a fruit juice extractor : en
  • FR898046A - Thermo-compression evaporation plant : en fr
  • CH237291A - Case for glasses, clips and the like. : de en
  • US2373339A - Umbrella stand : en
  • FR898113A - Switching device with mechanical contacts : en fr
  • US2373340A - Bag and method of filling same : en
  • FR898208A - Device for advancing and changing electrodes : en fr
  • FR898125A - Intermediate axis for film bobby : en fr
  • FR898117A - Sliding fire door with two telescopic leaves : en fr
  • GB568594A - New artificial resinous condensation products and their manufacture : en
  • FR898172A - New food product and its manufacturing process : en fr
  • FR898032A - Process for manufacturing capacitor armatures with rough surface : en fr
  • US2373635A - Method of separating minerals of different specific gravity : en
  • FR898150A - Spool holder for winders : en fr
  • USD140852S - Design for leather ob the like : en
  • USD140815S - Design for a novelty cqin bank : en
  • FR898101A - Pneumatic gear for sea fishing : en fr
  • FR898175A - Process for making resin-based condensation products : en fr
  • CA426685A - Self-lapping valve device : en fr
  • CH237285A - Coil arrangement in a device of high frequency technology. : de en
  • AU119774B2 - Process forthe manufacture of new derivatives ofthe para-aminobenzenesulfonamides : en
  • AU2018645A - s Improvements in or relating to can openers : en
  • FI20551A - Anordning vid lastbankar för timmerkälkar : en fi
  • FR898177A - Film reel : en fr
  • USD140804S - Bottle closure and dispensing device : en
  • US2373124A - Dispensing device : en
  • US2373252A - Truck : en
  • US2373493A - Piston : en
  • US2373352A - Method of making bearings : en
  • US2373368A - Reversible pump : en
  • GB568514A - Marine-vessel steering mechanism : en
  • AU119764B2 - Process of concentrating ores : en
  • CH237304A - Braking device for bicycles. : de en
  • US2373136A - Ethylene urea derivatives : en
  • CA426716A - Electric insulating body : en fr
  • CA426748A - Butter making process : en fr
  • CA426717A - Multilayer fibrous resin-bearing article : en fr
  • AU119762B2 - Improvements in or relating to preservation of meat : en
  • CA426757A - Food handling apparatus : en fr
  • US2373471A - Umbrella retaining device : en
  • GB568551A - Improvements in or relating to means for transferring liquid between a stationary part and a rotating part : en
  • SE113819C1 - : sv
  • FR898067A - Folding coat rack : en fr
  • GB568528A - Process for the preparation of plastic masses and products obtained thereby : en
  • FR898211A - New azo dyes : en fr
  • FR898038A - High frequency tube generator : en fr
  • DK63348C - Refrigerator combined with a Stove. : da en
  • US2373216A - Arrowhead : en
  • GR10340B - METHOD FOR REPLACEMENT OF GAS LIGHT FROM GAS CARBON BY LIGHT FROM GASOLINE BY GAS APPLIANCE. : el en
  • US2373326A - Gas burner heating system and apparatus therefor : en
  • FI20529A - Rail opener : en fi
  • GB568621A - Method of preparing foundry sand : en
  • GB568529A - Improvements in or relating to the separation of reaction mixtures containing aldehydes : en
  • AU119743B2 - Color television system : en
  • GB568575A - Improvements in or relating to blades and guide blades for turbines, rotary compressors and the like : en
  • FR898002A - Ejector training : en fr
  • USD140778S - Design for a beooch pin : en
  • CH237199A - Adjustable drawing table. : en fr
  • CA426615A - Stock lifting grab : en fr
  • GB568564A - Improvements in or relating to ultra high radio frequency thermionic oscillators : en
  • CH237224A - Device on metal-cutting machine tools for generating a helical cut through pendulum movements. : de en
  • US2373287A - Method of preparing printing plates : en
  • US2373479A - Electromagnetically operated device : en
  • CH237248A - Vibration compressor with coaxially arranged counter-rotating pistons, especially in refrigeration machines. : de en
  • US2373177A - Wrinkle finish drying compositions : en
  • USD140800S - Design fob an earring : en
  • CH237265A - Switching device for switching off high-voltage direct current. : de en
  • CA426644A - Beam clamp : en fr
  • CH237220A - Process for welding light metals and light metal alloys, in particular magnesium alloys containing aluminum and zinc. : de en
  • CH237213A - Gramophone. : de en
  • CH237230A - Casting belt for casting machines for thermoplastic masses. : de en
  • FR898074A - New bait for angling : en fr
  • CH237287A - Method for the synchronization of a receiver of the picture telegraph. : de en
  • FI20541A - Kikarsystem, a består av en starktförstorande kikare oc en sökare : en fi
  • GB568500A - Improvements in anaesthetic apparatus : en
  • US2373375A - Plasticized rubber and method of making : en
  • US2373448A - Stoker : en
  • AU1003143A - Process forthe manufacture of new derivatives ofthe para-aminobenzenesulfonamides : en
  • US2373356A - Motor vehicle : en
  • US2373485A - Sawhorse : en
  • US2373567A - Bending of boards : en
  • GB568613A - Improvements in or relating to cam gearing : en
  • CA426618A - Cargo loading and unloading method : en fr
  • CH237214A - Reflex camera sighting device. : en fr
  • US2373608A - Firearm extractor : en
  • CA426724A - Purified cyclo-rubber derivative : en fr
  • US2373195A - Method of making puckered fabrics : en
  • CA426652A - Spark plug : en fr
  • CH237202A - Hockey stick shovel. : de en
  • US2373209A - Laundry bag : en
  • US2373213A - Receiver-assembly for firearms : en
  • AU990543A - A machine for mixing plaster : en
  • CA426768A - Telephone system : en fr
  • CA426638A - Variable pressure system : en fr
  • CA426667A - Pile fabric cleaning material : en fr
  • CH237257A - Device for the mechanical removal of frost on air cooler batteries. : de en
  • CA426749A - Shell testing device : en fr
  • FI20557A - Specifically for velocipider avsett kombinationsverktyg : en fi
  • FR898068A - Device for the production of lubricant mixtures : en fr
  • US2373320A - Electrolytic reduction of aluminum bromide : en
  • CA426672A - Transformer circuit : en fr
  • US2373381A - Gaseous fuel control : en
  • CH237309A - Flexible connection between the frame of vehicles rolling on rails and parts moving with respect to the same. : de en
  • US2373154A - Liquid treatment : en
  • US2373623A - Article aligning device : en
  • USD140837S - Design for a blow gun or the like : en
  • CH237142A - Power harrow. : de en
  • USD140774S - Design for a fabric : en
  • US2373158A - Brass powders : en
  • US2373175A - Electron discharge apparatus : en
  • US2373525A - Smoking pipe : en
  • US2373588A - Fluid heating and discharging device : en
  • US2373502A - Ship locator and raising device : en
  • CA426692A - Worsted yarn preparing method : en fr
  • AU119769B2 - Improvements in or relating to electrical remote indicating and supervisory systems : en
  • AU1022843A - Inductive coupling devices for high frequency electromagnetic wave : en
  • US2373243A - Camera mechanism : en
  • US2373289A - Photographic structure : en
  • US2373376A - Edge gluing machine : en
  • AU119784B2 - Improvements in or relating to presses for vulcanizing pneumatic tires : en
  • US2373556A - Figure toy : en
  • CA426670A - Electric discharge device : en fr
  • US2373465A - Light signal : en
  • US2373192A - Antioxidants : en
  • USD140855S - Design for a clip or similar article : en
  • CA426671A - Horizontal shaft magnetic suspension : en fr
  • CH237154A - Door with elements articulated vertically between them. : en fr
  • CH237178A - Inlay strips for connecting the upper leather and the outsole of footwear. : de en
  • CA426761A - Sole margin cementing machine : en fr
  • FR898107A - Device for determining the moisture content of fibrous material : en fr
  • CA426691A - Twisting and spinning ring : en fr
  • AU1044943A - Improvement in self-locking nut : en
  • CA426621A - Liquid test method and apparatus : en fr
  • US2373610A - Lens mount : en
  • CA426630A - Horse drawn vehicle with an auxiliary motor : en fr
  • CA426666A - Motion reproducing means : en fr
  • GB568652A - Improvements in sensitive photographic materials : en
  • US2373246A - Method of making lens blanks : en
  • CA426783A - Speed gear controlling means : en fr
  • AU966443A - Platen levelling device : en
  • CH237308A - Control device for gas turbo-electric locomotives. : de en
  • FR898050A - Lighters improvements : en fr
  • FR898066A - Rail current circuit breaker : en fr
  • US2373104A - Method and apparatus for the inspection of paint films : en
  • US2373421A - Bed or similar body resting appliance : en
  • USD140760S - Design for a cabinet pull : en
  • GB568510A - Anti-foam agents : en
  • FI20546A - Power plant with thermal expansion of solids : en fi
  • FR898202A - Process for the continuous preparation of carboxylic esters : en fr
  • US2373220A - Roller skate : en
  • US2373454A - Method of preparing tetanus toxin : en
  • USD140764S - Design for a hinge : en
  • FR898072A - Easily open safety clasp : en fr
  • FR898143A - Preparation process for plastic masses : en fr
  • GB568584A - Improvement in optical comparator : en
  • US2373224A - Carburetor : en
  • US2373599A - Tire tread : en
  • FR898197A - Method and apparatus for imparting ownership of a liquid to fine grain grading agents : en fr
  • US2373545A - Electric control circuit : en
  • GB568531A - Improved operating gear for adjustable propeller blades : en
  • CH237243A - Reusable slide. : de en
  • US2373366A - Weighing scale : en
  • US2373431A - Electric wave filter : en
  • US2373155A - Machine tool : en
  • GB568606A - Improvements in and relating to articles of bonded fibrous material : en
  • US2373093A - Process for inhibiting cracking of polymeric bodies : en
  • FR898151A - Projection fan, especially intended for filling silos : en fr
  • US2373470A - Antisiphoning plug : en
  • USD140847S - Design fob leather or the like : en
  • FR898039A - Connection, advantageously welded, between tubular metal bodies, in particular between sheath and cable reinforcement : en fr
  • US2373606A - Metal drawing : en
  • DK63346C - Apparatus for separating coke from slag. : da en
  • FR898158A - Process of occlusion of the pores of protective layers of oxides on work pieces in aluminum and aluminum alloys : en fr
  • US2373092A - Label and tape dispensing machine : en
  • GB568649A - Improvements in or relating to containers for cigarettes : en
  • FR898116A - Connection between hollow shaft and oscillating shaft, in particular for electrical auxiliary controls : en fr
  • FR898161A - Method and device for desorbing and recovering adsorbed vapors : en fr
  • US2373190A - Preparation of unsaturated nitriles : en
  • US2373637A - Turret slide clamp : en
  • GB568577A - Improvements in apparatus for the transmission or reception of supersonic waves : en
  • GB568534A - Improvements in or relating to tap reconditioning machines : en
  • FI20523A - Hållare fästande av strumpan vid kalsongerna : en fi
  • FR898250A - Process for the preparation of emulsions suitable for controlling pests and process for controlling pests using such emulsions : en fr
  • FR898181A - Loose-leaf binding : en fr
  • GB568540A - Improvements relating to body belts : en
  • FR898163A - Heating installation : en fr
  • GB568547A - Improvements in or relating to apparatus for and method of sinking mine shafts : en
  • US2373300A - Conduit clip : en
  • US2373315A - Automatic pilot for aircraft : en
  • US2373407A - Azo compounds : en
  • GB568583A - Improvements in or relating to variable resistances : en
  • US2373143A - Automatically controlled portable fuel pumping unit : en
  • US2373264A - Method of lasting shoes : en
  • US2373391A - Photographic camera : en
  • GB568629A - Improvements relating to carboy crates : en
  • USD140854S - Design for a rosary bead or the like : en
  • USD140817S - Bottle and can opening tool : en
  • AU119738B2 - Radio telegraph multiplex system : en
  • CH237205A - Comparative micrometric gauge. : en fr
  • FR898247A - Condensation products and their preparation process : en fr
  • GB568523A - Improvements in soot blowers : en
  • FR898174A - Improvement of friction clutch reversers with hydraulic control, especially for motor boats : en fr
  • DK63360C - Chopping machine for dividing beet tops and other green fodder. : da en
  • FR898187A - Connection of high voltage insulating bodies and its manufacturing process : en fr
  • GB568563A - Improvements in and relating to the cracking of heavy oil vapours : en
  • US2373459A - Method of polishing hollow stem valves : en
  • CA426698A - Power line protecting apparatus : en fr
  • US2373518A - Band controlled piston : en
  • US2373569A - Wave translating system : en
  • US2373262A - Dynamometer : en
  • CA426712A - Marker construction : en fr
  • FR898196A - Electric firing device for artillery pieces : en fr
  • US2373267A - Trimming machine : en
  • FI20531A - Anordning vid fordonsbromsar med föränderligt utväxlingsförhållande för automatisk implällning av detta i avhängighet av fordonsbelastningen : en fi
  • FR898059A - Process for the preparation of highly polymerized products : en fr
  • AU129309B2 - Electric coupling system for resonant circuits : en
  • DK63349C - Snow throwing machine. : da en
  • US2373165A - Unidirectional power supply : en
  • USD140858S - Vehicle mounted crane with load arm accessory : en
  • FR898138A - Process for preparing vinyl esters : en fr
  • GB568505A - Improvements in auxiliary rotors for fixed wing aircraft : en
  • FR898093A - Electric discharge tube : en fr
  • FR898103A - Improvements to rifles for spearfishing : en fr
  • FR898165A - Process and devices for the selective separation of powdery materials suspended in a gas stream : en fr
  • US2373589A - Wire feeder : en
  • DK63361C - Procedure for the Prevention of Resin Separation in Papermaking. : da en
  • GB568581A - Improvements relating to the prepayment mechanisms of meters : en
  • US2373214A - Shielding device : en
  • US2373162A - Means for reshaping bags filled with fluent material : en
  • US2373247A - Electrical timing arrangement : en
  • FR898131A - Mounting device for electrical converters with contacts : en fr
  • FR898215A - Floor hoops : en fr
  • AU882343A - Radio telegraph multiplex system : en
  • AU126826B2 - s Improvements in or relating to can openers : en
  • GB568571A - Improved preparation of plasticised compositions comprising synthetic linear polyamides : en
  • AU119728B2 - Automatic volume control invoice frequency circuits : en
  • CH237225A - Cold saw. : de en
  • CA426703A - Engine distributor : en fr
  • CA426636A - Fog nozzle : en fr
  • AU119747B2 - Improvements in or relating to parachute-fitted containers for military or other purposes : en
  • US2373102A - Process for breaking petroleum emulsions : en
  • CA426736A - Terpene resin : en fr
  • CA426735A - Telephone system : en fr
  • CH237226A - A method of manufacturing polishing files. : en fr
  • US2373477A - Conveyer structure : en
  • CH237159A - Floor cleaning device. : de en
  • CH237317A - Process for the preparation of ss-allo-pregnan-tetrol- (3,17,20,21). : de en
  • CH237223A - Multipurpose machine tool. : de en
  • CA426763A - Shoe working machine : en fr
  • AU971743A - Process of concentrating ores : en
  • CH237160A - Curtain set with wooden support rail. : de en
  • CA426714A - Implement hold-down device : en fr
  • FR898057A - Process for manufacturing hollow metal bodies provided with a bottom, in particular made of non-ferrous metals that are easily deformable, and in particular blanks for bottles or cans of aluminum alloy for compressed gases : en fr
  • US2373505A - Yieldable device : en
  • AU119733B2 - Improvements in or relating tothe production of shaped articles of polymethylmethacrylate : en
  • US2373433A - Method of expediting chemical coatings on metal : en
  • FR898090A - Coils heated by high temperature gases : en fr
  • FR898070A - Electron ray tube in which the speed of emission of electrons varies periodically with a very high frequency : en fr
  • US2373537A - Valve mechanism for steam engines : en
  • US2373363A - Projectile : en
  • US2373579A - Motor control system : en
  • FR898183A - Process for preventing paper from drinking ink : en fr
  • CA426733A - Telephone system : en fr
  • FR898206A - Method and apparatus for the treatment of livers of fish and other marine animals : en fr
  • FR898052A - Elastic coupling for transmitting a torque : en fr
  • FR898191A - Spring loaded safety valve with high lift chamber : en fr
  • US2373311A - Nail and method of applying the same : en
  • CA426616A - Lubricant : en fr
  • CA426705A - Magazine razor : en fr
  • AU119756B2 - Improvements in or relating tothe joining of wires particularly fine wires used inthe manufacture of electric coils : en
  • CH237316A - Process for the production of homo- (w) -pregnen- (4) -tetrol- (17ss, 20ss, 21ss, 22) -on- (3). : de en
  • CH237170A - Manufacturing process for extruded products based on vinyl polymers. : en fr
  • CH237277A - Polishing file and process for its manufacture. : en fr
  • US2373273A - Signal recording and reproducing method : en
  • US2373372A - Antiknock fuel for internalcombustion engines : en
  • US2373605A - Welding electrode holder : en
  • GB568507A - Improvements in or relating to polarizing viewing visors : en
  • FR898040A - Box for operating machine in flat form : en fr
  • GB568639A - A grinding, slitting and cutting-off machine : en
  • US2373486A - Sawmill gauge : en
  • USD140761S - Combined drawer pull and escutcheons : en
  • US2373173A - Rubber plasticizers : en
  • US2373526A - Pump : en
  • FR898145A - Process for preparing higher polymers : en fr
  • GB568533A - Improved operating gear for adjustable propeller blades : en
  • GB568633A - Improvements in or relating to windows having hinged sashes : en
  • FR898110A - Gasifier installation, in particular for motor cars : en fr
  • FR898170A - Process and installation for drawing beer or other liquids : en fr
  • US2373316A - Endless crawler tread cycle : en
  • US2373132A - Telegraph key : en
  • USD140759S - Design fob a cabinet pull : en
  • US2373330A - Air cleaner : en
  • US2373351A - Control for universal resonant type fatigue testing machines : en
  • US2373585A - Bolt anchor : en
  • USD140867S - Design fob a ring : en
  • FR898157A - Synthetic resin glues : en fr
  • FR898246A - Process for the preparation of basic ether-salts derived from alpha-substituted aralkyl alcohols : en fr
  • GB568539A - Improvements in and relating to devices for measuring bores and other distances : en
  • FR898112A - Method and machine for wiring dm quads. : en fr
  • FI20543A - Apparat för utmatning av Timmer ur sorteringskanaler o.d. : en fi
  • FR898006A - Method for adjusting the speed of asynchronous motors with a stator-fed collector downstream machine, scherbius system : en fr
  • FR898221A - Assembly intended for the frequency modulation of electrical oscillations : en fr
  • US2373322A - Device for aligning glasses on a bar : en
  • FR898223A - Condensation products of the amide category and method of preparation thereof : en fr
  • FR898023A - Dilute sulfuric acid concentration process : en fr
  • FR898139A - Screwed assembly can be dismantled under the action of a shock : en fr
  • US2373091A - Apparatus for weaving insulating materials : en
  • GB568562A - Improvements relating to plastic materials and articles formed thereof : en
  • FI20534A - For this purpose, a dam filter is provided : en fi
  • GB568582A - Improvements in internal lock means for telescopic jacks : en
  • FR898075A - Improvements to cathode systems for cathode ray tubes : en fr
  • US2373178A - Concealed hinge : en
  • US2373420A - Brake hanger : en
  • USD140856S - Design for a clip or similar article : en
  • CA426788A - Thiophene-free benzene : en fr
  • CH237218A - Device for the production of cast bodies from centrifuged metal. : de en
  • FR898102A - Improvements to horizontal armor mechanics working with closed pitch : en fr
  • US2373369A - Carburizing thin gauge armor plate : en
  • GB568650A - Improvements in spinning frames for flax and similar fibres : en
  • FR898218A - Parquet panel : en fr
  • US2373259A - Transmission operating mechanism : en
  • USD140807S - Design for a spectacle frame : en
  • GB568504A - Improvements relating to the treatment of materials of regenerated cellulose to improve their adhesion to rubber : en
  • CH237187A - Process for the preparation of an azo dye. : de en
  • CA426704A - Razor and blade : en fr
  • AU954843A - Improvements in or relating to preservation of meat : en
  • US2373270A - Tank : en
  • CA426682A - Drain valve mechanism : en fr
  • CH237324A - Process for the preparation of a salt of a derivative of p-amino-benzenesulfonamide. : de en
  • FI20545A - Rekuperator för hetgasmotor : en fi
  • GB568549A - Improvements in or relating to controllers for synchronous dynamo-electric machines : en
  • AU1084743A - Improvements in or relating to presses for vulcanizing pneumatic tires : en
  • US2373380A - Clasp for envelopes and the like : en
  • CA426695A - Typewriter attachment for manifolding : en fr
  • CA426677A - Power driven reeler : en fr
  • US2373137A - Airplane landing gear : en
  • USD140840S - Design for a lens ob similar article : en
  • US2373636A - Controller : en
  • CA426734A - Sound translating device : en fr
  • CA426756A - Antifriction bearing : en fr
  • AU119727B2 - Improvements in or relating to generators of periodically varying electric currents : en
  • USD140771S - Coin controlled amusement apparatus : en
  • CA426609A - Welding system pressure shock absorber : en fr
  • CH237293A - Shopping and bathing bag. : de en
  • CH237210A - Display device on scales. : de en
  • CH237227A - Device for surface hardening of workpieces. : de en
  • FR898166A - Articulated sole in wood or other rigid materials : en fr
  • CA426635A - Ship loading and unloading apparatus : en fr
  • CA426780A - Telephone system : en fr
  • CH237295A - Glare protection attached to a protective pane, in particular for motor vehicles and aircraft. : de en
  • CH237302A - Bag for bicycle or motorcycle, convertible into haversack. : en fr
  • AU894543A - A method of making vulvanized composite material : en
  • US2373507A - Starter for internal-combustion engines : en
  • US2373474A - Chamfering tool : en
  • AU119787B2 - Sulphanilamide derivative : en
  • AU129317B2 - process for the manufacture of amines : en
  • CA426738A - Selectivity control circuit : en fr
  • US2373255A - Supervisory apparatus : en
  • US2373527A - Synthetic resinous compositions : en
  • CA426710A - Cigar machine trimming and knurling mechanism : en fr
  • CH237323A - Process for the preparation of a salt of a derivative of p-amino-benzenesulfonamide. : de en
  • GB568596A - Improvements in electric cable couplings : en
  • FR898089A - Process for the preparation of higher polymers : en fr
  • CA426684A - Multiple unit train : en fr
  • CA426720A - Formaldehyde-urea adhesive : en fr
  • CA426751A - Weighing scale : en fr
  • US2373405A - Process of making seamless hollow bodies of refractory metals : en
  • US2373515A - Purification of magnesium : en
  • US2373205A - Toy : en
  • AU119754B2 - Improvement in process of tin electroplating : en
  • USD140844S - Design fob a clip or similar article : en
  • USD140816S - Design for a clock : en
  • CA426606A - Underground cable conduit : en fr
  • CA426723A - Hand control electrical unit : en fr
  • AU119749B2 - Piezoelectric crystal holder : en
  • CA426687A - Adhesive composition : en fr
  • US2373150A - Stoker control system : en
  • DK63365C - Air protection building. : da en
  • CH237254A - Device for pressing the cylinder insert of internal combustion engines onto the cylinder cover. : de en
  • USD140857S - Design fok a handbag : en
  • CH237267A - High-voltage control arrangement with a load switch in a liquid dielectric, especially for transformers. : de en fr
  • CH237250A - Device for cooling by forced circulation of liquid of a combustion engine. : en fr
  • US2373163A - Apparatus for reconditioning drill pipe : en
  • US2373600A - Feeding device : en
  • US2373409A - Building construction : en
  • US2373383A - Self-regulating rectifier : en
  • AU1031043A - Color television system : en
  • GB568522A - Improvements in or relating to cinematograph cameras : en
  • US2373462A - Friction clutch : en
  • CA426656A - Box handle and latch : en fr
  • FR898083A - Connection terminal for wires and cables, especially in light metal : en fr
  • CH237264A - Electric rotary switch with push button control. : de en
  • USD140859S - Design fok a baseball glove : en
  • US2373633A - Combination billing and marking machine : en
  • GB568579A - Stretching cast elongate bodies of thermoplastic synthetic resins : en
  • GR10342B - BICYCLE. : el en
  • AU119750B2 - Platen levelling device : en
  • GB568599A - Improvements in or relating to coated fabrics suitable for use in the manufacture ofaircraft : en
  • GB568520A - Means and methods for hermetic bag and tube closure : en
  • US2373437A - Twin-discharge tube oscillator : en
  • FR898084A - Process for heat treating spot welds in spot welded sheets : en fr
  • US2373532A - Selective stacking machine : en
  • US2373412A - Shop truck construction : en
  • DK63350C - Sliding door for Vehicles, especially Rail vehicles. : da en
  • FR898014A - Method and apparatus for the manufacture of insulating tapes : en fr
  • GB568642A - Improvements in driving belts : en
  • CH237166A - Cooking, roasting and baking dishes. : de en
  • GB568576A - Transportable welding table : en
  • GB568623A - Improvements in and relating to multi-ply paper sacks or bags : en
  • GB568597A - Improvements in or relating to fabric-covered aircraft components : en
  • GB568634A - Improvements in or relating to control mechanisms for maintaining potential variables at desired values : en
  • FR898220A - Pedal plane : en fr
  • GB568574A - Improvements relating to the manufacture of materials comprising mineral wool : en
  • FI20539A - Oxidation channel for fire-retardant fortified framställning av zinkvitt : en fi
  • DK63369C - For ovens with a circular cross section, especially for rotary ovens. : da en
  • US2373217A - Office cabinet : en
  • US2373189A - Dual valve control for gas burners : en
  • FR898018A - Very high voltage transformer, in particular voltage transformer : en fr
  • US2373291A - Pickling bath for metals : en
  • USD140773S - Design foe a handbag : en
  • GB568630A - An improved latch for performing both a locking operation and an electrical switching operation : en
  • GB568542A - Improvements in and relating to fuzes for bombs, flares and the like which are dropped from aircraft : en
  • US2373506A - Fluid pressure compounding system : en
  • DK63362C - Brushing device for machines for washing milk buckets and similar containers. : da en
  • FR898088A - Process for preparing resinous masses : en fr
  • FR898176A - Mercury cathode electrolytic cell : en fr
  • FR898203A - Ties the film in the slot of the spool : en fr
  • GB568588A - Improvements in or relating to internal combustion engines of the opposed free piston type : en
  • US2373403A - Roof constructing tool : en
  • GB568641A - Improvements relating to metal spraying : en
  • FI20547A - Lösbar rörkoppling : en fi
  • FR898179A - Process for imparting water repellency to natural or synthetic yarns and fibers : en fr
  • US2373318A - Snowplow : en
  • US2373603A - Process of making them : en
  • US2373249A - Range finder : en
  • FR898195A - Process for the preparation of perforated trays for distillation columns : en fr
  • US2373128A - Safety ski binding : en
  • US2373278A - Coated article and method of production thereof : en
  • US2373299A - Nitrogen derivatives of benzyl sulphonic acids : en
  • GB568511A - Improvements in and relating to the removal of slag from furnaces : en
  • US2373166A - Damper construction : en
  • US2373538A - Multiservice ballast car : en
  • GB568567A - Improvements in or relating to heat exchange devices : en
  • GB568602A - Improvements in laminated products : en
  • FR898071A - Process for the treatment of suspensions of industrially valuable microorganisms, with a view to the complete separation of these from the stillage : en fr
  • GB568626A - Improvements in or relating to interlocking building elements and to structures erected therewith : en
  • FI20548A - Sätt att framställa porösa fiberplattor, särskilt siltpliga såsom isoleringsplattor för byggnader : en fi
  • FR898148A - Device for protecting electrical devices, for example transformers, against excessive temperature rise : en fr
  • GB568554A - Improvements in electrical bridge circuits : en
  • US2373260A - Multiple sound track film selector device : en
  • US2373576A - Railway car truck : en
  • US2373592A - Air-cooled smoking pipe : en
  • US2373630A - Mixed cellulose esters : en
  • US2373387A - Tin soaps and preparation thereof : en
  • FR898120A - Elastic trim for upholstered furniture and seats, in particular for automobiles : en fr
  • FR898213A - Process for converting hydrocarbons from mineral oils into higher and lower fatty alcohols and auxiliary products and for separating and subsequently treating the products obtained : en fr
  • FR898114A - Collector : en fr
  • USD140821S - Design for a hammer head : en
  • CH237216A - Universal clock. : de en
  • CH237278A - Feedback circuit with at least one magnetically overdriven iron choke. : de en
  • US2373280A - Nonthrusting pipe expansion joint : en
  • CH237299A - Transparent panel with support members, in particular for motor vehicles, aircraft, ships and the like. : de en
  • FR898031A - Support for high-frequency iron coils : en fr
  • US2373286A - Mineral oil composition and improving agent therefor : en
  • US2373617A - Folding bookrest : en
  • USD140805S - Design fob goggles : en
  • AU1121343A - Improvements in or relating tothe production of shaped articles of polymethylmethacrylate : en
  • USD140828S - Design for a display stand : en
  • USD140853S - Glass decanter or article of similar nature : en
  • US2373164A - Educational test machine : en
  • CH237174A - Method for gathering fabrics and stencil for carrying out the method. : de en
  • CH237283A - Arrangement for band stretching in radio devices for shortwave reception. : de en
  • GB568635A - A method of and apparatus for controlling the measurement of the weight of solid suspended in a liquid or of a liquid suspended in or mixed with another liquid : en
  • FR898137A - Method of automatic transmission level adjustment in remote transmission systems : en fr
  • CH237315A - Minimum level indicator device. : en it
  • US2373167A - Extrusion apparatus : en
  • GB568615A - Improvements connected with lashing chains for scaffolding, derricks, ladders and the like : en
  • US2373122A - Hydrodynamic transmission : en
  • US2373393A - Yarn winding frame : en
  • US2373487A - Nerve testing machine : en
  • FR898244A - Process for manufacturing a special coke and the facilities for its implementation and products obtained : en fr
  • US2373120A - Erection device for gyro verticals : en
  • US2373239A - Roofing machine : en
  • US2373492A - Stove construction : en
  • FR898062A - Linear superpolymer melt spinning process : en fr
  • CA426769A - Telephone system : en fr
  • US2373086A - Transportation method : en
  • FR898091A - Internal combustion engine with speed limitation by interruptible control : en fr
  • FR898030A - Very short wave amplifier : en fr
  • US2373411A - Guard for combing machines for combing textile fibers : en
  • US2373557A - Electrical switch : en
  • USD140861S - Switch and fuse securing clip : en
  • US2373554A - Ammunition : en
  • US2373625A - Suppositorium containing insulin : en
  • GB568565A - Manufacture of vinyl compounds, synthetic resins and other products derived therefrom : en
  • AU119735B2 - Improvements in impulse repeaters for use in electrical signalling systems : en
  • US2373139A - Settable manifold pressure control for aircraft : en
  • US2373319A - Caisson and method of sinking : en
  • USD140825S - Design for a doll : en
  • US2373451A - Railway switch circuit controller : en
  • CA426608A - Electric wall fitting : en fr
  • US2373203A - Cutting implement : en
  • CA426637A - Grain harvesting machine : en fr
  • AU129358B2 - Improvements in power transmission mechanism : en
  • FR898239A - Stop device for motor-wound spring watch movements : en fr
  • AU119753B2 - Booster assisted brake actuating system : en
  • US2373240A - Controlled oxidation of unsaturated halides : en
  • USD140838S - Design for a table : en
  • CA426702A - Binder for glass fibre threads : en fr
  • CH237270A - Electric capacitor. : de en
  • US2373223A - Crystal-controlled relaxation oscillator : en
  • CA426759A - Connecting device or fastener : en fr
  • AU1989945A - Electric coupling system for resonant circuits : en
  • CH237314A - Method for ventilating rooms in rocks, shafts, shelters and the like that are intended for people to stay. : de en
  • CA426650A - Hand truck : en fr
  • USD140809S - Design for grass shears : en
  • CH237161A - Sieve that can be used as a table device. : de en
  • CH237327A - Process for the preparation of a salt of a derivative of p-amino-benzenesulfonamide. : de en
  • CH237190A - Process for making paper. : de en
  • CH237246A - Elevator safety control device. : de en
  • CH237274A - Device for feeding large, rectangular, AC-heated glass melting furnaces. : de en
  • CH237313A - Method for operating a heat pump system. : de en
  • CA426711A - Implement hold-down device : en fr
  • US2373328A - Wrap-around wire supporting clip : en
  • US2373571A - Firebox and combustion chamber construction : en
  • GB568654A - Indicator for indicating positions on screens : en
  • CA426624A - Radio controlled steering system : en fr
  • US2373410A - Art of bating skins and hides : en
  • DK63370C - Tool for use when emptying water traps, especially at water closet sinks. : da en
  • FR898121A - Magneto ignition, fitted with an exhaust coupling, for internal combustion engines : en fr
  • FR898164A - Installation of two-stroke internal combustion machines running on diesel : en fr
  • GB568513A - Improvements relating to parachute packs : en
  • CH237306A - Cycle crankset. : en fr
  • US2373293A - Loom : en
  • US2373550A - Oven for heating filamentary products : en
  • USD140833S - Design for an eyeshade : en
  • CH237152A - Washing fountain. : de en
  • CH237273A - Device for protecting the operating personnel of electrically heated glass melting furnaces. : de en
  • CA426688A - Tetra-acetal of glyoxal : en fr
  • CA426675A - Resinous product and process : en fr
  • CH237268A - Step control device on a transformer. : de en
  • CA426727A - Bottle cap : en fr
  • CA426680A - Circuit breaker : en fr
  • CA426631A - Grubbing machine : en fr
  • US2373398A - Tractor and trailer construction : en
  • FI20549A - Sätt och anordning för att härdafotografisk film : en fi
  • FR898092A - Device for adjusting or controlling an elastically mounted member : en fr
  • CH237209A - Method for extracting from a container a determined adjustable quantity of a substance which can flow, and device for carrying out this method. : en fr
  • CA426611A - Spark plug : en fr
  • CH237200A - Flat structure to be used as writing or drawing material. : de en
  • CA426789A - Metal plate flanging machine : en fr
  • US2373337A - Artificial tooth : en
  • USD140785S - Design fob a textile fabric : en
  • FR898129A - Products and processes for increasing the herbicidal, insecticidal, fungicidal and destructive power of plant tissues of substituted or unsubstituted nitrated aromatic hydroxy derivatives : en fr
  • GB568603A - Improvements in or relating to control devices for constant speed units of aircraft : en
  • US2373183A - Distributor for granular materials : en
  • US2373333A - Method and apparatus for simulating high altitude climb conditions : en
  • US2373367A - Amusement device : en
  • US2373159A - Skiving machine : en
  • US2373355A - Cargo hatch : en
  • US2373184A - Ultra high frequency vacuum tube circuit : en
  • US2373503A - Control mechanism for mail treating machines : en
  • US2373188A - Signaling system : en
  • US2373302A - Internal-combustion engine : en
  • US2373254A - Catalytic reforming : en
  • US2373297A - Electric valve control system : en
  • US2373584A - Coconut cutting machine : en
  • CH237235A - Buckle for clothing. : de en
  • US2373341A - Milling machine : en
  • FR898044A - Process for preparing stable aqueous solutions of monovalent nickel cyanide : en fr
  • US2373528A - Method of recovering magnesium compounds : en
  • CH237150A - Heating system. : de en
  • CH237189A - Method and device for producing a detachable, electrical contact on metal objects that are to be treated in electrolytic baths. : de en
  • US2373397A - Container and closure : en
  • FR898065A - electrolytic element : en fr
  • FR898201A - Process for preparing 3-oxy-tetrahydrofuran and its homologues : en fr
  • US2373543A - Light sensitive electric valve system : en
  • FR898017A - Process for preparing lactones : en fr
  • FI20554A - Påsfyllningsmaskin : en fi
  • CA426707A - Bottle corking machine : en fr
  • AU119794B2 - Improved apparatus for boring cylinders andthe like : en
  • AU119736B2 - Method and means for controlling the direction and rate of cooling and solidification of castings : en
  • CA426632A - Gauge operating means for machine works : en fr
  • US2373544A - Electric control circuit : en
  • USD140810S - Design fob a saw : en
  • US2373575A - Control mechanism for aircraft : en
  • US2373283A - Valve grinder : en
  • US2373301A - Toolholder : en
  • USD140839S - Design for a cigarette holder : en
  • CH237269A - Actuator with magnet. : de en
  • CA426766A - Telephone system : en fr
  • CH237175A - Process for preparing a colored resinous emulsion. : en fr
  • CH237221A - Device for clamping tools, in particular for lathes. : de en
  • CA426647A - Mouthpiece for smoking : en fr
  • CH237232A - Device for dressing profile grinding wheels for plunge grinding of tooth flanks. : de en
  • US2373360A - Apparatus for dry sump lubrication of engines : en
  • CH237266A - Device for automatically keeping a size constant. : de en
  • US2373400A - Window lock : en
  • US2373481A - Folding metal chicken crate : en
  • US2373638A - Pipe coating apparatus : en
  • US2373148A - Turn-tilt unloading toy railway car : en
  • FI20550A - Device for advancing airplanes and for increasing the air circulation around the wing profile : en fi
  • FR898249A - Mechanical devices constituting a sliding and rotating trolley for electric traction : en fr
  • US2373521A - Method for blanching vegetable materials : en
  • US2373562A - Frequency modulation receiver : en
  • AU914043A - Sulphanilamide derivative : en
  • US2373257A - Process for precipitating alkali metal hydroxide : en
  • US2373611A - Heated food container : en
  • US2373261A - Sulphur dye composition and method of manufacture : en
  • US2373379A - Round work holding fixture : en
  • GB568610A - Improvements in or relating to stands or supports for motor cycles : en
  • CA426622A - Attachable boiler furnace : en fr
  • CH237186A - Process for the preparation of a disazo dye. : de en
  • US2373111A - Apparatus for the detection and removal of gas or gases : en
  • US2373414A - Air pickup system : en
  • US2373097A - Apparatus for expanding tubes : en
  • CA426643A - Rod and cable cutter : en fr
  • CH237247A - Lift for vehicles. : de en
  • US2373371A - Surgical fracture apparatus : en
  • US2373336A - Grinding machine : en
  • US2373424A - Device for protecting ships against torpedoes : en
  • CA426633A - Locomotive stoker apparatus : en fr
  • CA426696A - Manufacture of threads, filaments and ribbons : en fr
  • US2373208A - Voltage regulation : en
  • USD140784S - Design fok a textile fabric : en
  • CH237282A - Stepper motor with rotating armature. : de en
  • CA426683A - Series capacitor protective device : en fr
  • CA426767A - Telephone system controlling apparatus : en fr
  • CA426739A - Biased detector network : en fr
  • FR898153A - Process for perforating films with a view to taking pictures and printing colored moving pictures by the subtractive process : en fr
  • GB568553A - Improvements in and relating to apparatus and methods for purifying water : en
  • CH237258A - Ribbed tube heat exchanger with sheet metal ribs in the shape of a spoke wheel. : de en
  • CA426728A - Spring insert cushion : en fr
  • CA426777A - Telephone system : en fr
  • US2373469A - Weight indicating lifting jack : en
  • USD140798S - Design for an earring : en
  • CA426764A - Shoe lasting machine : en fr
  • US2373179A - Record filing means : en
  • US2373494A - Automatic control device for : en
  • US2373542A - Aircraft construction : en
  • US2373523A - Slider for slide fasteners : en
  • USD140832S - Design for a jewelry finding : en
  • AU834843A - Method and means for controlling the direction and rate of cooling and solidification of castings : en
  • CH237311A - Ship propeller. : de en
  • CH237169A - Manufacturing process for extruded products based on cellulose derivatives. : en fr
  • US2373089A - Stall delaying and indicating mechanism : en
  • US2373522A - Valve grinder : en
  • USD140868S - Design fob a king : en
  • CA426779A - Four-wire signalling circuit : en fr
  • FR898209A - Float gas scrubber filter : en fr
  • GB568556A - Improvements in or relating to frequency dividing circuits : en
  • FI20532A - Roterande vämeutväxlingsapparat för värmeutväxling mellan gaser : en fi
  • FR898048A - Automatic reel for angling : en fr
  • GB568570A - Improvements relating to controls of aircraft with particular reference to undercarriage and flap control : en
  • AU978843A - Improvements in and relating to hospital bedsteads : en
  • CA426722A - Condenser and electrolyte : en fr
  • CH237260A - Cage winding on asynchronous motors. : de en
  • CH237294A - Two-part packaging. : de en
  • GB568587A - Improvements in valve guides of internal combustion engines : en
  • FR898194A - Valve cap for electric accumulators : en fr
  • GB568506A - Improvements in or relating to fuel injection apparatus : en
  • US2373327A - Light meter : en
  • FR898231A - Method of closing containers filled with high pressure gas : en fr
  • FR898097A - Movable device for placing in position of cocking or disarming the stop tabs, also movable, of a harpoon : en fr
  • GB568619A - Improvements in or connected with spring mattress interior assembly : en
  • US2373509A - Rivet feeding device : en
  • GB568622A - Improvements in or relating to electrical signalling systems : en
  • FR898096A - Electric hammer of the so-called <pistle> type for all kinds of work : en fr
  • US2373194A - Fabric : en
  • US2373604A - Painting machine : en
  • GB568612A - A floating structure for salvaging sunken vessels and other uses : en
  • US2373374A - Cellulosic material : en
  • CH237238A - Device for coupling transmission shafts. : en fr
  • CH237330A - Process for the preparation of diphenyl-morpholinoethyl-acetic acid methyl ester. : de en
  • GB568600A - Improvements in cinematograph projectors or like apparatus : en
  • US2373517A - Railway switch operating apparatus : en
  • FR898003A - Improvements to electric discharge tubes with one or more beveled glass welds : en fr
  • FR898053A - rubber and metal construction element : en fr
  • FR898041A - Anchored formwork mode : en fr
  • GB568532A - Improvements in or relating to devices for unreeling thread or the like for winding machines : en
  • FR898079A - Dough warmer : en fr
  • DK63364C - Combination mechanism for Laase. : da en
  • FR898100A - Soft two-piece shoe heel : en fr
  • FR898205A - Washing tank for photographic layer supports : en fr
  • US2373251A - Freezing tray with drainage top : en
  • US2373116A - Method of uniting metals : en
  • US2373121A - Perforating device : en
  • USD140767S - Design fob a score board : en
  • CA426744A - Electric heating apparatus : en fr
  • CH237331A - Process for the preparation of diphenyl-morpholinoethyl-acetic acid ethyl ester. : de en
  • US2373238A - Wool cleaning machine : en
  • US2373312A - Fastener : en
  • GB568516A - Improvements relating to the manufacture of materials comprising mineral wool : en
  • AU129637B2 - Specification not printed : en
  • US2373118A - Container vent : en
  • US2373198A - Aluminum solutions and preparations : en
  • DK63359C - Relay-controlled Stop mechanism for Magasing gramophones, which has automatic control of the movements of the tone arm. : da en
  • CH237290A - Fancy label. : en fr
  • US2373478A - Expander tool : en
  • CA426745A - Deposit forming method by spraying : en fr
  • CH237279A - Electromechanical display device. : de en
  • US2373126A - Knitting machine : en
  • US2373432A - Apparatus for rustproofing sheet metal : en
  • US2373628A - Spherical plug valve : en
  • CA426641A - Aluminium surface treating method : en fr
  • GB568508A - Improvements in or relating to the production of citric acid by fermentation : en
  • GB568609A - Improvements in or relating to finger grips for physical exercises : en
  • US2373335A - Antioxidants : en
  • FR898238A - Method of manufacturing tapes with helical grooves for the constitution of the outer conductor of high frequency coaxial cables : en fr
  • GB568499A - Method of and apparatus for balancing rotors : en
  • CH237177A - Zipper slider. : de en
  • US2373552A - Globe valve : en
  • FR898124A - Rolling bearing, in which a member of the bearing performs a staggering rolling movement : en fr
  • FR898178A - Changing device for stereoscopic slides in projectors for still images : en fr
  • US2373219A - Electric fluorescent lighting device : en
  • FR898204A - Tank for photographic baths : en fr
  • FR898225A - High frequency shortwave inductor coil : en fr
  • GB568645A - Improvements in and relating to burnishing or polishing tools having diamond or liketool pieces or tips for use in boring bars or other tool supports : en
  • US2373548A - Process of removing cations from liquid media : en
  • FI20533A - Disk- och tvättmaskin : en fi
  • FR898207A - Safety tubular extension used to introduce a gauge rule into a fuel tank : en fr
  • GB568604A - Improvements in or relating to record controlled machines adapted to print from stencil cards : en
  • US2373201A - Automatic press system for forming resinous disks : en
  • US2373396A - Electron discharge device : en
  • GB568541A - Improvements relating to coded track signalling systems for railways and the like : en
  • GB568605A - Improvements in storage bins, silos and the like : en
  • USD140808S - Burne dispensing machine : en
  • USD140870S - Design fob a handbag : en
  • FR898118A - Process for preparing adipic dinitrile : en fr
  • FR898210A - Pressurized fluid brake control device, particularly for truck trains : en fr
  • FR898193A - Manufacturing process of hollow axles for railway vehicles : en fr
  • CA426662A - Liquid bath filter : en fr
  • GB568502A - Means for introducing powder into the vagina : en
  • FR898022A - Superheater for steam generator : en fr
  • US2373593A - Method and apparatus for transforming substantially non-formretaining masses into solid cakes or bars : en
  • FR898043A - Process for preparing organic sulfur compounds : en fr
  • FR898154A - Device for adjusting the speed of rotation of direct current motors, the armature of which is connected to an alternating current network by means of static current converters : en fr
  • US2373172A - Muffler for intercommunicating system units : en
  • US2373591A - Electric regulator of the carbon pile type : en
  • FR898033A - Setup for quadrupole transmission coefficient measurement : en fr
  • FR898027A - Device for determining the level of a liquid : en fr
  • FR898064A - Anti-glare headlight : en fr
  • CA426681A - Generator grounding system : en fr
  • FR898055A - Suspension device for automobiles : en fr
  • FR898095A - Electric reciprocating valve lapping machine, instantly convertible into a hand-operated drilling machine : en fr
  • GB568655A - A machine for trimming the ends of gear wheel teeth : en
  • US2373127A - Gun turret : en
  • GB568614A - Improvements in gyroscopes : en
  • GR10343B - METHOD OF INDUSTRIAL EXPLOITATION OF THE TINOS AUTOMOTIVE GRADE FOR THE PRODUCTION OF YARNS, AND THE MANUFACTURE OF IMPROVED STRAPS, : el en
  • FR898049A - Twin wheel device for airplanes, mounted on a common rotating or fixed axle : en fr
  • GB568617A - Improvements in or relating to recording pressure and like gauges : en
  • CH237155A - Device for facilitating the ignition and kindling of gas generators, in particular for motor vehicles. : de en
  • GB568552A - Improvements relating to moisture-proofing coating compositions : en
  • FR898111A - Sintered core radiogonometer frame for short and ultrashort waves : en fr
  • US2373276A - Foundation and method of constructing the same : en
  • US2373534A - Low frequency amplifier : en
  • US2373256A - Two-stage starting system for internal-combustion engines : en
  • AU954943A - Improvements inthe production of foam generating agents : en
  • FR898037A - Assembly of production or amplification of electrical oscillations by discharge tubes type head current amplifier : en fr
  • GB568527A - Improvements in and relating to drilling machines : en
  • FR898237A - Solid lubricant : en fr
  • CH237192A - Method and machine for the production of relief printing forms and printing form produced by the method. : de en
  • USD140826S - Design fob a goblet or similar article : en
  • US2373377A - Power-driven wringer : en
  • FR898029A - Spot welding machine : en fr
  • FR898025A - Acetylene generator for powdered carbide gasification : en fr
  • CA426754A - Weighing scale indicator : en fr
  • USD140783S - Design foe a textile fabric : en
  • US2373180A - Automatic volume control circuit : en
  • FR898077A - Vacuum sealed current inlet through quartz glass or similar glasses and method of establishing it : en fr
  • GB568646A - Improvements in and relating to driving belts : en
  • CA426639A - Wheel trim making method : en fr
  • GB568595A - Improvements in or relating to heat exchange devices : en
  • GB568518A - Improvements in or relating to rotary pumps and fluid pressure motors of the vane type : en
  • AU129826B2 - Improvements in and relating to lamp bases and holders : en
  • US2373170A - Purification of butadiene : en
  • US2373510A - Accounting machine : en
  • US2373323A - Process and apparatus for pressure core drilling : en
  • CH237303A - Brakes for vehicles, in particular for free-wheeling brake hubs for bicycles. : de en
  • US2373618A - Refrigeration apparatus : en
  • CH237322A - Process for the preparation of a salt of a sulfonamide. : de en
  • USD140792S - Combined finger grate and burner bowl : en
  • US2373440A - Means for finishing welded joints : en
  • CH237240A - Device for automatic adjustment of the circulation of a fluid in a pipe, as a function of the pressure of another fluid, in particular applicable to a refrigeration installation. : en fr
  • CH237217A - Cutting pliers. : en fr
  • CA426697A - Lime scale removing method for digester heat exchangers : en fr
  • AU1069943A - Improvements in or relating to regulator valve apparatus for locomotives : en
  • US2373110A - Wind instrument : en
  • AU119732B2 - Adjustable dress form : en
  • US2373384A - Jaw construction for vises : en
  • CH237272A - High vacuum hot cathode tube for high performance. : de en
  • US2373230A - Ester diamides : en
  • US2373596A - Oil repellent protector for shoes : en
  • CA426732A - Signalling system : en fr
  • CA426673A - Volt ampere measurement regulator : en fr
  • CH237181A - Slicer with a space under the cut. : de en
  • FR898185A - Improvements in frequency modulation setup : en fr
  • USD140842S - Design for a bottle : en
  • CA426669A - Electric discharge device : en fr
  • US2373555A - Fluid discharge nozzle : en
  • CA426726A - Hardboard making process : en fr
  • CH237228A - Grout glue machine. : de en
  • CH237249A - Fan. : de en
  • AU967343A - An improved method of recovering oils, such as gasoline, from bituminous mineral deposits : en
  • US2373171A - Automatic cream expender : en
  • CA426613A - Machine tool repairing method and slide : en fr
  • USD140846S - Design for a baseball mitt : en
  • CH237219A - Multi-part mold. : de en
  • CH237211A - High voltage current transformer arrangement. : de en
  • CH237280A - Arrangement for generating odd multiples of a basic frequency forming carrier frequencies for multi-channel systems. : de en
  • FR898160A - Humorous advertising presentation device with interchangeable programs : en fr
  • CA426773A - Program switching system : en fr
  • US2373428A - Insect killer : en
  • CH237289A - Poster. : de en
  • CA426729A - Electrolytic recording process : en fr
  • AU941043A - Improvements in or relating tothe joining of wires particularly fine wires used inthe manufacture of electric coils : en
  • CA426701A - Colour marking element : en fr
  • US2373594A - Buttonhole strip : en
  • US2373202A - Electric instrument relay : en
  • US2373395A - Electron discharge device : en
  • US2373601A - Electrical condenser : en
  • FR898192A - Manufacturing process of hollow axles for railway vehicles : en fr
  • US2373560A - Sound recording method and apparatus : en
  • US2373639A - Method and apparatus for forming films : en
  • CA426663A - Coolant clarification : en fr
  • CA426790A - Vehicle headlight : en fr
  • CH237233A - Tool with handle. : de en
  • US2373236A - Tow control for gliders : en
  • US2373235A - Lighting fixture : en
  • AU119766B2 - Method and apparatus forthe manufacture of handle attachments for paper bags : en
  • DK63351C - PROCEDURE FOR CHARGING ELECTRIC ACCUMULATORS USING A WIND MOTOR AND SYSTEM FOR CARRYING OUT THE PROCEDURE. : da en
  • US2373447A - Door lift mechanism : en
  • US2373147A - Means and method for extinguishing an arc spot : en
  • USD140851S - Design fob leather or the like : en
  • US2373570A - Noncorrosive liquids : en
  • CA426699A - Metal boring or cutting tool : en fr
  • CH237326A - Process for the preparation of a salt of a sulfonamide. : de en
  • CH237206A - Measuring head for layer knife. : de en
  • CH237239A - Process for the production of a machine element with a friction surface. : de en
  • FR898085A - Salt bath and electrode oven, preferably for long workpieces : en fr
  • FR898240A - Overvoltage counting device : en fr
  • DK63367C - Spray mass separator for atomizing system. : da en
  • FI20537A - List for joining two structural boards bent, eg plywood, at their edges : en fi
  • GR10339B - GAS BEVERAGES FOR THE SAME FRUIT JUICE OF ALL KINDS. : el en
  • FR898235A - Device indicating the exact state of discharge of an accumulator battery : en fr
  • FR898248A - Watch mechanism support device : en fr
  • GB568618A - Improvements in or relating to self-acting mules or twiners : en
  • USD140775S - Design fob a fabric : en
  • US2373346A - Jacob's ladder : en
  • US2373244A - Blast furnace process : en
  • US2373627A - Organic phosphorus compounds : en
  • US2373344A - Piston ring chamfering machine : en
  • USD140803S - Internal-combustion engine unit : en
  • US2373226A - Hydraulic butt welder control : en
  • FR898016A - Process for preparing polyamide solutions : en fr
  • FR898219A - Pressure or rolling contact, especially for instruments with periodically actuated contacts : en fr
  • GB568519A - An improved process and apparatus for gasefying heavy liquid fuels for internal combustion engines : en
  • US2373558A - Method of making elastic fluid turbine diaphragms and the like : en
  • US2373602A - Proteinaceous surface active agents : en
  • GB568632A - Improvements in and connected with the terminal ends of electric conductors : en
  • US2373586A - Safety clasp pin : en
  • CH237193A - Process for the production of permanent maps and map produced by this process. : de en
  • FI20522A - Anordning för avvattning av slig : en fi
  • FI20542A - Anchorage of anthropods of the aneroid type with or without aneroid dosage for gas or anthers : en fi
  • FR898216A - Reclosing device for mechanical current converters : en fr
  • FR898108A - Device to be copied for the actuation of automatons, machines and devices by photocells : en fr
  • DK63355C - Device with air control valves. : da en
  • CA426762A - Shoe upper working machine : en fr
  • GB568586A - Improvements in and relating to safety razors and safety razor blades : en
  • US2373607A - Scissors : en
  • FR898127A - Electrical current generator mounting system in air-cooled engines : en fr
  • FR898171A - Method and device for producing ice without using an intermediate heat or cold transmitting agent : en fr
  • GB568585A - Improvements in and relating to safety razors and safety razor blades : en
  • US2373275A - Voltage converter system : en
  • US2373568A - Perfume materials : en
  • USD140830S - Design for a jewelry finding : en
  • CH237180A - Device on disk mills for readjusting the grinding fineness regulator. : de en
  • USD140788S - Design foe a textile fabric : en
  • CH237149A - Stove. : en fr
  • US2373390A - Portable electric lighting device : en
  • GB568512A - Formylacetic ester : en
  • FI20552A - Driv- och styranordning för krypkedjefordon : en fi
  • GB568637A - Method and apparatus for electric induction heating of articles : en
  • USD140848S - Design for leather or the like : en
  • US2373598A - Arc welding apparatus : en
  • USD140822S - Design fob a toe rubber : en
  • USD140766S - Design foe, a catch operator : en
  • USD140863S - Design for a switch and fuse lock : en
  • GB568627A - Improvements relating to the control of forced draught type furnaces : en
  • US2373152A - Difuryl sulphonates : en
  • US2373488A - Cast methyl methacrylate sheets : en
  • US2373530A - Tube forming die : en
  • AU119724B2 - Improvements in or relating tothe joining of wires particularly fine wires used inthe manufacture of electric coils : en
  • FR898009A - Manufacturing process of adipic acid : en fr
  • FI20556A - Odor trap and how to attach it : en fi
  • US2373108A - Propeller : en
  • GB568590A - Improvements relating to the mounting of lenses or other optical elements : en
  • CA426651A - Combination dough mixer and water cooling apparatus : en fr
  • FR898233A - Process for preparing high molecular weight products : en fr
  • GB568546A - Improvements in and relating to endless tracks for vehicles : en
  • GB568644A - Improvements in retractable aircraft undercarriages : en
  • GB568515A - Improvements in or relating to spades, forks and like tools : en
  • US2373631A - Stabilized aviation gasoline : en
  • GB575796A - Improvements in or relating to apparatus for recording short time intervals : en
  • AU119745B2 - Improvements relating to carburization of fuel gas for internal combustion engines : en
  • CA426623A - Cigarette ejecting device : en fr
  • US2373281A - Storage battery plate : en
  • US2373498A - Examination material : en
  • CA426617A - Fog nozzle : en fr
  • CH237171A - Process for the production of nitrogen-containing artificial textile fibers from scrap bird feathers. : de en
  • USD140824S - Design for a doll : en
  • USD140864S - Design foe a fuse and switch lock : en
  • US2373125A - Spring support : en
  • AU1091643A - Adjustable dress form : en
  • DK63353C - Electrolytic Winding Capacitor and Method of Manufacturing. : da en
  • AU841543A - Method of making' patterns : en
  • CA426649A - Radio set mounting means : en fr
  • CA426740A - Frequency modulation radio receiver : en fr
  • US2373475A - Process for synthesizing hydrocarbons from alcohols with tetraphosphoric acid catalyst : en
  • USD140836S - Foundry spray gun or the like : en
  • USD140869S - Design for a clothes hanger : en
  • US2373577A - Frog pan : en
  • USD140789S - Design fok a textile fabkic : en
  • CA426627A - Thermometer shaker : en fr
  • AU1022943A - Automatic volume control invoice frequency circuits : en
  • USD140790S - Design foe a textile fabric : en
  • US2373578A - Dividing head : en
  • GB568560A - Improvements relating to hand cranks for elevating and training mechanisms : en
  • GB568536A - Manufacture of butadiene : en
  • US2373345A - Electric iron : en
  • GB568524A - Improvements in and relating to abrasive drilling machines : en
  • FR898136A - Process for the production of an alumina especially suitable for the rubber industry : en fr
  • FR898028A - Process for manufacturing netting, canvas, brambles or other similar metal products and products obtained by this process : en fr
  • CH237179A - Band-shaped structure. : de en
  • CH237231A - Dressing device. : de en
  • FR898229A - Wind motor : en fr
  • GB568589A - Improvements in or relating to internal combustion engines : en
  • US2373452A - Concentrator : en
  • FR898019A - An alloy of gold and platinum, which can be improved, intended in particular for the manufacture of spinning dies : en fr
  • USD140795S - Design for an airplane : en
  • GB568591A - Improvements in electric voltage measuring instruments : en
  • US2373234A - Variable-speed transmission : en
  • US2373573A - Holdall, suitcase, or the like : en
  • GB568555A - Improvements in or relating to pocket knives and like implements : en
  • US2373272A - Braking system : en
  • US2373321A - Chuck : en
  • GB568543A - Improvements relating to insulating material and the like : en
  • USD140758S - Motor and pump assembly : en
  • US2373298A - Derivatives of benzyl sulphonic acids : en
  • FR898152A - Device for triggering photographic lamps called flash lamps : en fr
  • FR898105A - Pressure device for filling bottles, flasks, cans and other adaptable containers on automatic machines : en fr
  • USD140765S - Combined catch operator and escutcheon : en
  • USD140812S - Design fob a holster : en
  • US2373324A - Valve : en
  • FR898010A - Process for electrolytically pickling, shining and polishing metals and alloys : en fr
  • US2373096A - Magnetic pick-off for sensitive instruments : en
  • FR898188A - Method of recording images and sounds on narrow film : en fr
  • FR898159A - Box with walls assembled by tenons and mortises with corner protection boards : en fr
  • GB568544A - Improvements in and relating to electric wave oscillation generators : en
  • US2373109A - Winding machine : en
  • USD140770S - Valve housing for water softeners : en
  • FR898228A - Surge protection for AC machines : en fr
  • GB568517A - Improvements in or relating to chimney tops : en
  • US2373294A - Beer dispensing device : en
  • USD140782S - Design for a textile fabric : en
  • US2373563A - Decomposition of diolefin sulphones : en
  • FR898173A - Process for manufacturing hollow bodies calibrated internally and externally : en fr
  • US2373157A - Oil temperature regulator : en
  • CH237163A - Chair with height adjustable seat. : de en
  • CH237197A - Process for the preparation of related film strips for the inclusion of color separations and for their copying into the positive strip during the production of colored picture strips. : de en
  • FR898182A - Static incubator : en fr
  • FR898109A - Ascending swing exerciser, for fairground attractions, sports clubs, etc. : en fr
  • US2373460A - Hand soap : en
  • US2373520A - Hypodermic syringe : en
  • USD140818S - Design for a butter measuring knife : en
  • US2373153A - Production of butadiene : en
  • US2373583A - Conversion of methyl formate to formic acid : en
  • CH237301A - Device for testing wheels with tension spokes to ensure that they run smoothly and smoothly. : de en
  • FI20524A - Anordning vid maskinmanglars varmbord : en fi
  • CA426718A - Formaldehyde-urea adhesive : en fr
  • GB568598A - Improvements in or relating to coated fabrics suitable for use in the manufacture ofaircraft : en
  • US2373295A - Conversion of paraffin hydrocarbons : en
  • CA426741A - Frequency modulation radio receiver : en fr
  • CH237244A - Torque sender with variable transmission ratio. : en fr
  • US2373620A - Pressure cooker : en
  • US2373248A - Circuit control and connection therefor : en
  • FR898212A - Improvements to the speed control of internal combustion engines : en fr
  • CH237298A - Electric direction indicator with an angle arm that swings up and down in the display position. : de en
  • USD140777S - Design fob a fabric : en
  • CH237259A - Direction of rotation independent DC generator. : de en
  • USD140768S - Design fok a game board : en
  • US2373263A - Spinning frame : en
  • US2373338A - Depth gauge : en
  • CH237271A - Directly heated hot cathode for high-performance electron tubes. : de en
  • CA426660A - Aeroplane : en fr
  • CH237275A - Beam splitter on lights. : de en
  • US2373416A - Black-out screening : en
  • US2373098A - Electrostatic condenser : en
  • US2373334A - Regulator system : en
  • US2373443A - Sealing means : en
  • US2373482A - Sheet holder : en
  • US2373113A - Apparatus for the detection or separation of a plurality of gases : en
  • US2373292A - Liquid level gauge : en
  • US2373541A - Tool-guiding apparatus : en
  • US2373539A - Means for charging presses : en
  • US2373106A - Combined suitcase, head and back rest : en
  • US2373461A - Gasket material : en
  • CA426628A - Nail pulling tool : en fr
  • CH237172A - Thread guide drum, in particular for package winding machines. : de en
  • CA426694A - Strainer for pulp digesters : en fr
  • CA426786A - Highly polymeric organic compound : en fr
  • FR898051A - Sheet holder for office machine cart : en fr
  • US2373144A - Automatic steering device : en
  • US2373087A - Intaglio printing : en
  • US2373314A - Driving means for roller electrodes and the like : en
  • CA426690A - Vinyl chloride polymerizing process : en fr
  • DK63358C - Machine for cutting moldings, such as frame moldings, panel moldings and baseboards, in fermentation. : da en
  • CA426646A - Punching device : en fr
  • US2373365A - Aircraft structure : en
  • CH237185A - Process for the preparation of carbamic acid esters. : de en
  • US2373458A - Transmission line coupling system : en
  • US2373268A - Throttling valve : en
  • US2373169A - Elevator : en
  • US2373185A - Supercharged chamber for aircraft : en
  • FR898217A - Manufacturing process of laminated materials, in particular compressed wood impregnated with synthetic resin : en fr
  • US2373472A - Rotary cutter structure : en
  • CA426758A - Synchronous telegraph motor starting system : en fr
  • US2373313A - Synthetic flying trainer : en
  • US2373457A - Hydraulic pump or motor : en
  • CA426708A - Box fastener : en fr
  • CA426775A - Clamping member : en fr
  • US2373490A - Heat-resisting alloys : en
  • US2373622A - Firearm : en
  • CH237145A - Device for holding the tail of a cow. : en fr
  • CH237147A - Device for dehumidifying masonry. : de en
  • US2373310A - Tubular pilot : en
  • USD140780S - Design for a bracelet : en
  • US2373210A - Spanner ratchet wrench : en
  • USD140841S - Design for a bottle : en
  • CA426661A - Food packing or canning apparatus : en fr
  • FR898234A - Device for correctly stopping the charging of an accumulator battery : en fr
  • FR898034A - Carrier frequency transmission system : en fr
  • FR898061A - Preparation process for plastic masses : en fr
  • US2373105A - Vitamin k compounds and process of obtaining same : en
  • CA426676A - Voltage regulator : en fr
  • US2373446A - Preparation of bubble-free solid bodies from polymerizable sirups : en
  • USD140797S - Design fob an earring : en
  • GB568593A - Improvements in the recovery of benzene from gases by absorption in wash oils : en
  • CH237158A - Grill apparatus. : de en
  • FR898140A - Process for the preparation of compounds of the adrenal cortex hormones series : en fr
  • GB568638A - An improvement in design of control screens employed in hammer mills : en
  • FR898132A - Protection device for contact rectifiers : en fr
  • FR898168A - Dismantling of gasifier hearths and resulting complete hearths : en fr
  • US2373418A - Sewing machine : en
  • CA426760A - Soap manufacture : en fr
  • FI20538A - Window construction especially for military tents made of plywood : en fi
  • FR898180A - Manufacture of shaped ceramic articles, in particular of bricks, tiles and the like : en fr
  • US2373491A - Mechanized mount for the assembly of flat printing plates : en
  • USD140786S - Design foe a textile fabric : en
  • US2373394A - Expansible wood downspout : en
  • USD140872S - Design for a dispensing closure : en
  • DK63347C - Portable Household Machine for Kneading, Crushing, Mixing, Cutting, Whipping, Painting and similar Work Operations. : da en
  • USD140827S - Design fob an earring : en
  • US2373423A - Box : en
  • FI20530A - Apparat för värmeutväxling mellan vätskor : en fi
  • US2373404A - Shoe construction : en
  • US2373160A - Resistor having a high temperature coefficient of resistance : en
  • US2373547A - Method of removing cations from liquid media : en
  • CA426747A - Geochemical prospecting apparatus : en fr
  • USD140843S - Design for a clip or similar article : en
  • US2373332A - Safety device : en
  • US2373553A - Flashlight : en
  • GB568624A - Improvements in or relating to remote control systems : en
  • US2373271A - Toy crane and self-unloading car : en
  • USD140866S - Design for a box : en
  • FR898004A - Device for transmitting or receiving sound waves : en fr
  • GB568498A - Improvements in and relating to automatic bread toasters : en
  • US2373288A - Link belt for airplane cannon : en
  • US2373516A - Purification of magnesium : en
  • US2373566A - Balance computer : en
  • AU119725B2 - Improvements in and relating to hospital bedsteads : en
  • CH237310A - Sealing device on longitudinally divided inner axle slide bearings in rail vehicles. : de en
  • US2373215A - Method and apparatus for treating plastic film : en
  • US2373329A - Separation of diolefins : en
  • FI20555A - Letterbox : en fi
  • USD140849S - Design fob leather or the like : en
  • CA426612A - Firearm mechanism and magazine : en fr
  • CA426742A - Amplifier circuit : en fr
  • US2373614A - Aqueous dispersion : en
  • US2373426A - Potato harvester : en
  • US2373427A - Spring winding mechanism : en
  • US2373085A - Power-operated window regulator : en
  • CA426719A - Stable formaldehyde-urea composition : en fr
  • US2373499A - Rotary propeller ornament : en
  • US2373176A - Roller tension for spinning frames : en
  • AU1031843A - Improved apparatus for boring cylinders andthe like : en
  • SE113754C1 - : sv
  • US2373422A - Pillow : en
  • US2373549A - Method of removing cations from liquid media : en
  • US2373361A - Apparatus for separating lean meat from fat tissue : en
  • USD140835S - Fair of frames for sun glasses or similar article : en
  • US2373187A - Dressing mechanism : en
  • USD140873S - Design for a doll : en
  • US2373354A - Tire building machine : en
  • US2373094A - Mineral oil composition : en
  • US2373119A - Voltage regulator : en
  • US2373303A - Process for modifying aromatic hydrocarbons : en
  • CA426750A - Weighing scale : en fr
  • CH237191A - Packaging. : de en
  • CH237286A - Method for carrier frequency amplification in a high-frequency transmitter that can be set to a plurality of waves. : de en
  • CA426782A - Engine workstand : en fr
  • FR898141A - Tincture of superpolyamides and superpolyurethanes : en fr
  • GB568640A - Improvements relating to metal spraying : en
  • AU119772B2 - Improvements inthe production of foam generating agents : en
  • US2373438A - Manufacture of 3,4-xylidine : en
  • US2373624A - Negative resistance loading : en
  • US2373359A - Acid recovery process : en
  • DK63352C - Turning resistance for low current technical, especially high frequency technical, Purpose. : da en
  • US2373497A - Ventilator : en
  • CA426785A - Plastic moulding material : en fr
  • CH237262A - Electrical resistance. : de en
  • CA426620A - Bifocal lens blank : en fr
  • US2373634A - Pressure-sensitive adhesive tape : en
  • CA426648A - Locomotive coaling apparatus : en fr
  • CA426665A - Engine reversing mechanism : en fr
  • CH237319A - Method of manufacturing spark plug insulators. : de en
  • FR898146A - Process for the polymerization of cyclic amides having two or more amide groups : en fr
  • FR898045A - Process for removing carbon monoxide from gases containing olefins : en fr
  • FR898056A - Process for obtaining coarse metal powders : en fr
  • GB568620A - Improvements relating to snap action electric switches : en
  • CA426610A - Grain conveyer assembly : en fr
  • CA426713A - Implement construction : en fr
  • FR898162A - Purification of hydrocarbon gases : en fr
  • FR898099A - Continuous suspended rotary hearth furnace for metal heating : en fr
  • US2373511A - Program spotter mechanism and method of utilizing same : en
  • USD140779S - Design for a brooch pin : en
  • FR898106A - Propeller mounting : en fr
  • FR898184A - Process for the treatment of crude oils, crude oil derivatives and their residues using solvents : en fr
  • GB568561A - Improvements in and relating to the manufacture and application of synthetic rubber-like materials : en
  • GR10341B - PREPARATION OF DRINK FROM EXTRACTION FROM NUTS. : el en
  • US2373266A - Oil burner ignition means : en
  • US2373274A - Suction cleaner apparatus : en
  • US2373353A - Nozzle : en
  • FR898082A - Process for preparing oxyaryl-sulfonic amides : en fr
  • FR898242A - Valve for pressurized fluid brakes : en fr
  • GB568550A - Improvements in or relating to electric lifts : en
  • GB568631A - High-frequency electric heating : en
  • GB568566A - Improvements in or relating to blind landing devices for aircraft : en
  • CH237292A - Handbag with closure. : de en
  • FR898214A - Clutch mechanism of the knotter device of the harvester-binders : en fr
  • US2373245A - Method of tipping projectiles : en
  • DK63366C - Automatic Handgun. : da en
  • AU1060443A - Improvements in impulse repeaters for use in electrical signalling systems : en
  • FI20528A - Anordning vid vertikalångpanna : en fi
  • GB568573A - Improvements in and relating to the decarburisation of austenitic manganese steel : en
  • GB568653A - Improvements in or relating to electric change-over switches : en
  • US2373565A - Gas scrubber : en
  • FR898123A - projection screen : en fr
  • CA426634A - Razor blade holder for stropping : en fr
  • FR898073A - Metallic cathode, in particular of zinc, for electric batteries : en fr
  • US2373101A - Motor fuels and processes for making same : en
  • USD140799S - Design for an earring : en
  • FR898076A - Reinforced concrete truss beam : en fr
  • US2373524A - Wrapper for cigarette packages : en
  • FR898063A - Coiled capacitor with folded edges and method for its manufacture : en fr
  • USD140811S - Design for a hand drill : en
  • US2373508A - Shock absorber : en
  • US2373468A - Apparatus for manufacture of compressed clay bodies : en
  • CA426625A - Radio controlled navigational system : en fr
  • US2373574A - Pivotal awning or shade : en
  • USD140791S - Design for a bottle : en
  • US2373103A - deubel : en
  • US2373130A - Heat motor actuated device : en
  • US2373386A - Parachute release : en
  • FR898020A - Spinning lubricant : en fr
  • CA426731A - Signalling system : en fr
  • GB568568A - Improvements relating to towing devices for aircraft : en
  • GB568625A - An improvement in means for controlling the working depth of agricultural implements : en
  • US2373232A - Electrode holder : en
  • US2373200A - Apparatus for testing coating materials : en
  • US2373358A - Catalytic process and apparatus : en
  • DK63363C - Release device for lifeboats. : da en
  • FR898169A - Pocket lighter : en fr
  • GB568607A - Improvement in or relating to the production of materials of vitamin a activity : en
  • CA426655A - Pressure control loudspeaker enclosure : en fr
  • FR898008A - Magneto ignition : en fr
  • US2373406A - Range finder : en
  • CH237201A - Measuring and drawing ruler. : de en
  • CA426640A - Ship's davit : en fr
  • CA426614A - Garment hanger : en fr
  • US2373265A - Tracer controlled mechanism : en
  • USD140806S - Combined shoe tree and shoe horn : en
  • US2373142A - Oil dilution system : en
  • US2373227A - Process for the refining of hydrocarbon oil : en
  • US2373242A - Pipe stopper : en
  • CA426664A - Briquette press : en fr
  • CA426686A - Drain valve apparatus : en fr
  • AU2009545A - Improvements in and relating to lamp bases and holders : en
  • CA426619A - Spark plug : en fr
  • GB568525A - Improvements in dies for embossing letters or other characters on paper or the like : en
  • CH237215A - Winding watch movement. : en fr
  • FR898230A - Elastic tire tire : en fr
  • US2373253A - Straight thread fitting : en
  • US2373629A - Holder for cigars and cigarettes : en
  • AU119768B2 - Method of making' patterns : en
  • FR898011A - Reactive Coupled Lamp Transmitter : en fr
  • FR898147A - Process for the preparation of higher polymers from isocyanic ester and amino- or oxyacids : en fr
  • GB568509A - An instrument for recording surface roughness : en
  • US2373114A - Television film recording and projection : en
  • FR898142A - Distributor device for internal combustion engine ignition systems : en fr
  • US2373590A - Hospital bed : en
  • US2373317A - Roof covering : en
  • USD140823S - Design for a vase : en
  • CH237151A - Device for the production of shaped fuel bodies. : de en
  • CH237173A - Spool holder for winding machines. : de en
  • CH237300A - Self-locking spur gear differential. : de en
  • USD140787S - Design fob a scarf or similar article : en
  • US2373218A - Oil cooler tube : en
  • AU1113343A - Improvement in process of tin electroplating : en
  • US2373138A - Line shaft ratio changer : en
  • USD140813S - Design for a holster : en
  • CH237196A - Subtractive, double-sided coated three-color positive film with a blackening image which, when the film is inserted into a projection apparatus, lies on the side of the substrate facing the light source. : de en
  • AU119742B2 - Inductive coupling devices for high frequency electromagnetic wave : en
  • CH237284A - Circuit arrangement for displaying the state of charge of the voltage source of a battery-powered transmitter at the receiving location. : de en
  • FI20559A - Skiftnyckel : en fi
  • CH237312A - Propeller with adjustable blades. : de en
  • AU842743A - Improvements in or relating to electrical remote indicating and supervisory systems : en
  • CH237188A - Process for the production of a sulfur dye. : de en
  • US2373129A - Harmonica : en
  • US2373228A - Composition of matter and method of making same : en
  • US2373123A - Flotation of magnesite : en
  • US2373466A - Method of anodically polishing zinc : en
  • US2373146A - Foldable closure : en
  • US2373572A - Liquid cooled brake : en
  • CH237208A - Heavy knife. : de en
  • US2373615A - Aqueous dispersion : en
  • CA426770A - Telephone system : en fr
  • CA426778A - Telephone system : en fr
  • US2373436A - Fastener setting or attaching machine : en
  • US2373168A - Graduated scale indicator, such as may be used as tuning scales for radio receivers : en
  • FR898012A - Cinematographic camera for color films with two image windows, which are illuminated several times alternately through a rotating reflector disc during the film stop period : en fr
  • GB568648A - Improvements in or relating to electric air-break circuit-breakers provided with arc-extinguishing chutes : en
  • CH237148A - Joint for the assembly of metal scaffolding tubes. : en fr
  • AU119751B2 - A machine for mixing plaster : en
  • CA426776A - Telephone system : en fr
  • US2373191A - Process for chlorinating textiles colored with dyestuffs sensitive to chlorine : en
  • US2373204A - Gas-operated self-loading firearm : en
  • CA426753A - Weighing scale : en fr
  • US2373408A - Container handle : en
  • US2373417A - Fish lure : en
  • US2373269A - Dehydration of acetone : en
  • CA426693A - Moulded plastic body : en fr
  • CA426743A - Electric heating device : en fr
  • FI20527A - Procedure for the preparation of alkali phenolates and alkali salts of organic acids : en fi
  • CH237288A - Electric signal system against burglary and theft. : de en
  • CH237320A - Arrangement for converting devices working as rectifiers or inverters. : de en
  • AU2009245A - Improvements in power transmission mechanism : en
  • AU119782B2 - Improvements in or relating to regulator valve apparatus for locomotives : en
  • AU2011645A - process for the manufacture of amines : en
  • CA426700A - Blowpipe : en fr
  • CA426774A - Telephone call transmitter : en fr
  • US2373540A - Tamperproof identification card and method of making the same : en
  • USD140865S - Design for a figurine : en
  • US2373115A - Abrasion resistance testing apparatus for insulated wire : en
  • USD140796S - Design fob a book end : en
  • CA426659A - Internal combustion engine : en fr
  • CA426709A - Display container : en fr
  • CA426715A - Railway signal and switch point control system : en fr
  • CH237183A - Process for the preparation of 1,4-androstadienol-propionate-(17)-one-(3). : de en
  • AU119763B2 - An improved method of recovering oils, such as gasoline, from bituminous mineral deposits : en
  • CH237198A - Separating device in a container, which allows part of the liquid in the container to be poured into the separating device and held therein. : de en
  • CH237251A - Device on aircraft with explosion engines to prevent the cylinders from heating up to an extent that could endanger operation. : de en
  • CH237321A - Process for the preparation of a readily soluble halopyridone compound. : de en
  • CA426746A - Mechanical pencil : en fr
  • AU1046643A - Improvements relating to carburization of fuel gas for internal combustion engines : en
  • CA426721A - Trolley for overhead conveyers : en fr
  • US2373285A - Container : en
  • US2373134A - Signaling system : en
  • CA426653A - Engine fuel saver : en fr
  • CH237318A - Process for the production of workpieces with a longitudinally variable cross section on extrusion presses. : de en
  • CA426730A - Sander : en fr
  • AU119786B2 - Improvements in clips for flexible tubes : en
  • US2373449A - Pump : en
  • US2373595A - Spray nozzle : en
  • CH237184A - Process for preparing ethyl acetal. : en fr
  • US2373551A - Condiment shaker : en
  • CH237252A - Guided flow silencers. : de en
  • US2373133A - Sapogenin derivatives and preparation of the same : en
  • US2373231A - Muffler : en
  • US2373444A - Container : en
  • US2373140A - Electrostatic device : en
  • US2373401A - Insulating material and method of making the same : en
  • CA426755A - Weighing scale : en fr
  • FR898047A - A method of preventing the diffusion of basic sensitizing dyes into multi-layered subtractive photographic material : en fr
  • GB568535A - Heat insulating materials and the like : en
  • US2373199A - Manufacture of hydroxy alkyl amines : en
  • US2373621A - Prime mover governing mechanism : en
  • CH237153A - Washing fountain. : de en
  • CA426607A - Door and window safety device : en fr
  • CH237261A - Commutator machine with switchable number of poles. : de en
  • US2373149A - Sheet feeding and stacking apparatus : en
  • US2373258A - Educational map : en
  • CH237212A - Capacitive voltage converter. : de en
  • CA426765A - Draw bench : en fr
  • GB568538A - Treatment of carbon black : en
  • US2373453A - Automatic gear shifting mechanism for transmissions : en
  • US2373514A - Blast furnace : en
  • CA426752A - Classifying scale : en fr
  • FR898243A - New azo dyes : en fr
  • USD140781S - Design for a brooch pin : en
  • US2373151A - Analytical system : en
  • US2373349A - Oil purifying and cooling system : en
  • GB568611A - Improvements relating to the manufacture of artificial leaves, flowers and other similar ornamental objects : en
  • US2373392A - Slide holder : en
  • US2373463A - Pump seal : en
  • FR898086A - Salt bath and electrode oven : en fr
  • FR898098A - Automatically operated ribbon valve ensures the entry and exit of air and prevents the re-entry of water into exploration and spearfishing masks : en fr
  • FR898227A - Inductance coil arrangement usable in particular as a magnetic amplifier : en fr
  • CH237195A - Process for the production of a picture / sound film, in which the picture has a blue-black, the sound track has a finely divided silver grain, and a picture / sound film produced therefrom. : de en
  • CH237242A - Shut-off valve. : de en
  • CA426781A - Telephone system : en fr
  • US2373304A - Rotary internal-combustion engine : en
  • US2373347A - Preplasticized vinyl polymers : en
  • USD140801S - Design for a brooch pin : en
  • CH237146A - Method for combating animal storage pests. : de en
  • AU1101743A - Improvements in or relating to mechanical adjustment of elements mounted inside vacuum tubes : en
  • US2373632A - Removal of fluorine from water : en
  • FR898104A - AC direct electric boiler : en fr
  • US2373389A - Adjustable optical mounting : en
  • US2373196A - Water heater control system with thermal retarder : en
  • US2373343A - Terpene derivatives : en
  • CH237245A - Device for controlling the pressure medium flow in hydraulically operated machines. : de en
  • CH237167A - Device for securing against falling on a stepladder. : de en
  • US2373450A - Braking system : en
  • USD140831S - Design for a jewelry finding : en
  • US2373161A - Welder's unit : en
  • US2373212A - Blown wrinkle varnish base : en
  • US2373609A - Refrigeration drive : en
  • FI20558A - Anordning vid skiftnyclar : en fi
  • US2373350A - Purification of aviation oil : en
  • US2373095A - Brassiere : en
  • US2373206A - Mechanically tuned loop antenna : en
  • US2373581A - Truck suspension system : en
  • FR898078A - Cathodic luminescent corona discharge tube : en fr
  • FR898189A - Acetylene generator making it possible to obtain dry slaked lime at the same time : en fr
  • FR898199A - Articulated joint for supporting mine galleries : en fr
  • US2373290A - Method for stabilizing rosin : en
  • CH237236A - Device for keeping a lid of a box closed. : en fr
  • US2373561A - Process for polymerizing olefinic hydrocarbons : en
  • CA426787A - Flashlight : en fr
  • CH237207A - Device for guiding a scanning element with which pressure is to be exerted during scanning. : de en
  • US2373308A - Rubber bonding medium : en
  • CA426771A - Telephone system : en fr
  • FR898135A - Apparatus for crushing the residues of shaft furnaces and others in the distillation of oil shales : en fr
  • AU1122843A - Improvements in clips for flexible tubes : en
  • US2373225A - Control quadrant : en
  • GB568572A - Improvements in or relating to electron lenses : en
  • AU119739B2 - A method of making vulvanized composite material : en
  • CH237164A - Game table with built-in serving device. : de en
  • FR898021A - Reactive Coupled Lamp for Very Short Waves : en fr
  • FR898069A - Improvements to speed changes for velocipeds : en fr
  • GB568558A - Improvements in sketch pads : en
  • USD140802S - Design for an electric cooker : en
  • AU1004143A - Improvements in method and apparatus for simulating high altitude climb conditions : en
  • US2373100A - Drying permeable solids : en
  • US2373441A - Printing press folder : en
  • US2373233A - High-frequency coupling circuit : en
  • FI20526A - Procedure for the preparation of alkali metal carbonate, its various hydrates and alkali metal carbonate from saline alkaline hydrate solutions prepared by diaphragm electrolysis : en fi
  • USD140794S - Design for a magnetic direction indicator : en
  • FR898026A - Punch press improvements : en fr
  • US2373250A - Artificial drying oil : en
  • USD140793S - Design for a dress : en
  • USD140829S - Design for a jewelry finding : en
  • US2373519A - Wash box : en
  • US2373099A - Liquid division : en
  • USD140763S - Design for a hinge : en
  • US2373597A - Adhesive composition and method of adhering waxed surfaces : en
  • USD140845S - Design fob a perfume sachet holder : en
  • US2373325A - Welding rod transfer mechanism : en
  • US2373484A - Method of building caisson gates and similar structures : en
  • US2373512A - Process for making flame-coloring articles : en
  • US2373580A - Alkylation of aromatic hydrocarbons : en
  • US2373174A - Process for breaking petroleum emulsions : en
  • CH237157A - Double-walled door stove. : de en
  • CH237204A - Layered skis. : de en
  • FR898224A - Mounting for frequency modulated UHF transmitter by means of a balanced reactor tube : en fr
  • US2373145A - Delayed trigger circuit : en
  • DK63354C - Vulcan fiber case or hard cardboard. : da en
  • US2373237A - Latch and lock mechanism : en
  • US2373135A - Treatment of hydroxylated polymers : en
  • USRE22628E - Television receiver : en
  • US2373182A - Cutter and crimper for ravioli and pastries : en
  • US2373513A - Tension and bloom control device : en
  • FI20525A - Filtreringsanordning fatt vatten : en fi
  • CH237253A - Device for cooling the cylinder insert of internal combustion engines. : de en